wpa_supplicant: Initial Revision 0.8.X

Based on:
commit 0725cc7b7efc434910e89865c42eda7ce61bbf08
Author: Jouni Malinen <j@w1.fi>
Date:   Thu Apr 21 20:41:01 2011 +0300

    Enable CONFIG_DRIVER_NL80211=y in the default configuration

    nl80211 should be preferred over WEXT with any recent Linux
    kernel version.

Change-Id: I26aec5afbbd4f4a1f5fd900912545b6f5050de64
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>

438 files changed, 207520 insertions, 0 deletions

diff --git a/src/Makefile b/src/Makefile
new file mode 100644
index 0000000..d73a175
--- /dev/null
+++ b/src/Makefile
@@ -0,0 +1,11 @@
+SUBDIRS=ap common crypto drivers eapol_auth eapol_supp eap_common eap_peer eap_server l2_packet p2p radius rsn_supp tls utils wps
+
+all:
+	for d in $(SUBDIRS); do [ -d $$d ] && $(MAKE) -C $$d; done
+
+clean:
+	for d in $(SUBDIRS); do [ -d $$d ] && $(MAKE) -C $$d clean; done
+	rm -f *~
+
+install:
+	for d in $(SUBDIRS); do [ -d $$d ] && $(MAKE) -C $$d install; done
diff --git a/src/ap/Makefile b/src/ap/Makefile
new file mode 100644
index 0000000..9c41962
--- /dev/null
+++ b/src/ap/Makefile
@@ -0,0 +1,8 @@
+all:
+	@echo Nothing to be made.
+
+clean:
+	rm -f *~ *.o *.d
+
+install:
+	@echo Nothing to be made.
diff --git a/src/ap/accounting.c b/src/ap/accounting.c
new file mode 100644
index 0000000..dbfb058
--- /dev/null
+++ b/src/ap/accounting.c
@@ -0,0 +1,505 @@
+/*
+ * hostapd / RADIUS Accounting
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "drivers/driver.h"
+#include "radius/radius.h"
+#include "radius/radius_client.h"
+#include "hostapd.h"
+#include "ieee802_1x.h"
+#include "ap_config.h"
+#include "sta_info.h"
+#include "ap_drv_ops.h"
+#include "accounting.h"
+
+
+/* Default interval in seconds for polling TX/RX octets from the driver if
+ * STA is not using interim accounting. This detects wrap arounds for
+ * input/output octets and updates Acct-{Input,Output}-Gigawords. */
+#define ACCT_DEFAULT_UPDATE_INTERVAL 300
+
+static void accounting_sta_get_id(struct hostapd_data *hapd,
+				  struct sta_info *sta);
+
+
+static struct radius_msg * accounting_msg(struct hostapd_data *hapd,
+					  struct sta_info *sta,
+					  int status_type)
+{
+	struct radius_msg *msg;
+	char buf[128];
+	u8 *val;
+	size_t len;
+	int i;
+
+	msg = radius_msg_new(RADIUS_CODE_ACCOUNTING_REQUEST,
+			     radius_client_get_id(hapd->radius));
+	if (msg == NULL) {
+		printf("Could not create net RADIUS packet\n");
+		return NULL;
+	}
+
+	if (sta) {
+		radius_msg_make_authenticator(msg, (u8 *) sta, sizeof(*sta));
+
+		os_snprintf(buf, sizeof(buf), "%08X-%08X",
+			    sta->acct_session_id_hi, sta->acct_session_id_lo);
+		if (!radius_msg_add_attr(msg, RADIUS_ATTR_ACCT_SESSION_ID,
+					 (u8 *) buf, os_strlen(buf))) {
+			printf("Could not add Acct-Session-Id\n");
+			goto fail;
+		}
+	} else {
+		radius_msg_make_authenticator(msg, (u8 *) hapd, sizeof(*hapd));
+	}
+
+	if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_STATUS_TYPE,
+				       status_type)) {
+		printf("Could not add Acct-Status-Type\n");
+		goto fail;
+	}
+
+	if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_AUTHENTIC,
+				       hapd->conf->ieee802_1x ?
+				       RADIUS_ACCT_AUTHENTIC_RADIUS :
+				       RADIUS_ACCT_AUTHENTIC_LOCAL)) {
+		printf("Could not add Acct-Authentic\n");
+		goto fail;
+	}
+
+	if (sta) {
+		val = ieee802_1x_get_identity(sta->eapol_sm, &len);
+		if (!val) {
+			os_snprintf(buf, sizeof(buf), RADIUS_ADDR_FORMAT,
+				    MAC2STR(sta->addr));
+			val = (u8 *) buf;
+			len = os_strlen(buf);
+		}
+
+		if (!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME, val,
+					 len)) {
+			printf("Could not add User-Name\n");
+			goto fail;
+		}
+	}
+
+	if (hapd->conf->own_ip_addr.af == AF_INET &&
+	    !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
+				 (u8 *) &hapd->conf->own_ip_addr.u.v4, 4)) {
+		printf("Could not add NAS-IP-Address\n");
+		goto fail;
+	}
+
+#ifdef CONFIG_IPV6
+	if (hapd->conf->own_ip_addr.af == AF_INET6 &&
+	    !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IPV6_ADDRESS,
+				 (u8 *) &hapd->conf->own_ip_addr.u.v6, 16)) {
+		printf("Could not add NAS-IPv6-Address\n");
+		goto fail;
+	}
+#endif /* CONFIG_IPV6 */
+
+	if (hapd->conf->nas_identifier &&
+	    !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IDENTIFIER,
+				 (u8 *) hapd->conf->nas_identifier,
+				 os_strlen(hapd->conf->nas_identifier))) {
+		printf("Could not add NAS-Identifier\n");
+		goto fail;
+	}
+
+	if (sta &&
+	    !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT, sta->aid)) {
+		printf("Could not add NAS-Port\n");
+		goto fail;
+	}
+
+	os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT ":%s",
+		    MAC2STR(hapd->own_addr), hapd->conf->ssid.ssid);
+	if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLED_STATION_ID,
+				 (u8 *) buf, os_strlen(buf))) {
+		printf("Could not add Called-Station-Id\n");
+		goto fail;
+	}
+
+	if (sta) {
+		os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
+			    MAC2STR(sta->addr));
+		if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
+					 (u8 *) buf, os_strlen(buf))) {
+			printf("Could not add Calling-Station-Id\n");
+			goto fail;
+		}
+
+		if (!radius_msg_add_attr_int32(
+			    msg, RADIUS_ATTR_NAS_PORT_TYPE,
+			    RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
+			printf("Could not add NAS-Port-Type\n");
+			goto fail;
+		}
+
+		os_snprintf(buf, sizeof(buf), "CONNECT %d%sMbps %s",
+			    radius_sta_rate(hapd, sta) / 2,
+			    (radius_sta_rate(hapd, sta) & 1) ? ".5" : "",
+			    radius_mode_txt(hapd));
+		if (!radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
+					 (u8 *) buf, os_strlen(buf))) {
+			printf("Could not add Connect-Info\n");
+			goto fail;
+		}
+
+		for (i = 0; ; i++) {
+			val = ieee802_1x_get_radius_class(sta->eapol_sm, &len,
+							  i);
+			if (val == NULL)
+				break;
+
+			if (!radius_msg_add_attr(msg, RADIUS_ATTR_CLASS,
+						 val, len)) {
+				printf("Could not add Class\n");
+				goto fail;
+			}
+		}
+	}
+
+	return msg;
+
+ fail:
+	radius_msg_free(msg);
+	return NULL;
+}
+
+
+static int accounting_sta_update_stats(struct hostapd_data *hapd,
+				       struct sta_info *sta,
+				       struct hostap_sta_driver_data *data)
+{
+	if (hostapd_drv_read_sta_data(hapd, data, sta->addr))
+		return -1;
+
+	if (sta->last_rx_bytes > data->rx_bytes)
+		sta->acct_input_gigawords++;
+	if (sta->last_tx_bytes > data->tx_bytes)
+		sta->acct_output_gigawords++;
+	sta->last_rx_bytes = data->rx_bytes;
+	sta->last_tx_bytes = data->tx_bytes;
+
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
+		       HOSTAPD_LEVEL_DEBUG, "updated TX/RX stats: "
+		       "Acct-Input-Octets=%lu Acct-Input-Gigawords=%u "
+		       "Acct-Output-Octets=%lu Acct-Output-Gigawords=%u",
+		       sta->last_rx_bytes, sta->acct_input_gigawords,
+		       sta->last_tx_bytes, sta->acct_output_gigawords);
+
+	return 0;
+}
+
+
+static void accounting_interim_update(void *eloop_ctx, void *timeout_ctx)
+{
+	struct hostapd_data *hapd = eloop_ctx;
+	struct sta_info *sta = timeout_ctx;
+	int interval;
+
+	if (sta->acct_interim_interval) {
+		accounting_sta_interim(hapd, sta);
+		interval = sta->acct_interim_interval;
+	} else {
+		struct hostap_sta_driver_data data;
+		accounting_sta_update_stats(hapd, sta, &data);
+		interval = ACCT_DEFAULT_UPDATE_INTERVAL;
+	}
+
+	eloop_register_timeout(interval, 0, accounting_interim_update,
+			       hapd, sta);
+}
+
+
+/**
+ * accounting_sta_start - Start STA accounting
+ * @hapd: hostapd BSS data
+ * @sta: The station
+ */
+void accounting_sta_start(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	struct radius_msg *msg;
+	int interval;
+
+	if (sta->acct_session_started)
+		return;
+
+	accounting_sta_get_id(hapd, sta);
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
+		       HOSTAPD_LEVEL_INFO,
+		       "starting accounting session %08X-%08X",
+		       sta->acct_session_id_hi, sta->acct_session_id_lo);
+
+	time(&sta->acct_session_start);
+	sta->last_rx_bytes = sta->last_tx_bytes = 0;
+	sta->acct_input_gigawords = sta->acct_output_gigawords = 0;
+	hostapd_drv_sta_clear_stats(hapd, sta->addr);
+
+	if (!hapd->conf->radius->acct_server)
+		return;
+
+	if (sta->acct_interim_interval)
+		interval = sta->acct_interim_interval;
+	else
+		interval = ACCT_DEFAULT_UPDATE_INTERVAL;
+	eloop_register_timeout(interval, 0, accounting_interim_update,
+			       hapd, sta);
+
+	msg = accounting_msg(hapd, sta, RADIUS_ACCT_STATUS_TYPE_START);
+	if (msg)
+		radius_client_send(hapd->radius, msg, RADIUS_ACCT, sta->addr);
+
+	sta->acct_session_started = 1;
+}
+
+
+static void accounting_sta_report(struct hostapd_data *hapd,
+				  struct sta_info *sta, int stop)
+{
+	struct radius_msg *msg;
+	int cause = sta->acct_terminate_cause;
+	struct hostap_sta_driver_data data;
+	struct os_time now;
+	u32 gigawords;
+
+	if (!hapd->conf->radius->acct_server)
+		return;
+
+	msg = accounting_msg(hapd, sta,
+			     stop ? RADIUS_ACCT_STATUS_TYPE_STOP :
+			     RADIUS_ACCT_STATUS_TYPE_INTERIM_UPDATE);
+	if (!msg) {
+		printf("Could not create RADIUS Accounting message\n");
+		return;
+	}
+
+	os_get_time(&now);
+	if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_SESSION_TIME,
+				       now.sec - sta->acct_session_start)) {
+		printf("Could not add Acct-Session-Time\n");
+		goto fail;
+	}
+
+	if (accounting_sta_update_stats(hapd, sta, &data) == 0) {
+		if (!radius_msg_add_attr_int32(msg,
+					       RADIUS_ATTR_ACCT_INPUT_PACKETS,
+					       data.rx_packets)) {
+			printf("Could not add Acct-Input-Packets\n");
+			goto fail;
+		}
+		if (!radius_msg_add_attr_int32(msg,
+					       RADIUS_ATTR_ACCT_OUTPUT_PACKETS,
+					       data.tx_packets)) {
+			printf("Could not add Acct-Output-Packets\n");
+			goto fail;
+		}
+		if (!radius_msg_add_attr_int32(msg,
+					       RADIUS_ATTR_ACCT_INPUT_OCTETS,
+					       data.rx_bytes)) {
+			printf("Could not add Acct-Input-Octets\n");
+			goto fail;
+		}
+		gigawords = sta->acct_input_gigawords;
+#if __WORDSIZE == 64
+		gigawords += data.rx_bytes >> 32;
+#endif
+		if (gigawords &&
+		    !radius_msg_add_attr_int32(
+			    msg, RADIUS_ATTR_ACCT_INPUT_GIGAWORDS,
+			    gigawords)) {
+			printf("Could not add Acct-Input-Gigawords\n");
+			goto fail;
+		}
+		if (!radius_msg_add_attr_int32(msg,
+					       RADIUS_ATTR_ACCT_OUTPUT_OCTETS,
+					       data.tx_bytes)) {
+			printf("Could not add Acct-Output-Octets\n");
+			goto fail;
+		}
+		gigawords = sta->acct_output_gigawords;
+#if __WORDSIZE == 64
+		gigawords += data.tx_bytes >> 32;
+#endif
+		if (gigawords &&
+		    !radius_msg_add_attr_int32(
+			    msg, RADIUS_ATTR_ACCT_OUTPUT_GIGAWORDS,
+			    gigawords)) {
+			printf("Could not add Acct-Output-Gigawords\n");
+			goto fail;
+		}
+	}
+
+	if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_EVENT_TIMESTAMP,
+				       now.sec)) {
+		printf("Could not add Event-Timestamp\n");
+		goto fail;
+	}
+
+	if (eloop_terminated())
+		cause = RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_REBOOT;
+
+	if (stop && cause &&
+	    !radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_TERMINATE_CAUSE,
+				       cause)) {
+		printf("Could not add Acct-Terminate-Cause\n");
+		goto fail;
+	}
+
+	radius_client_send(hapd->radius, msg,
+			   stop ? RADIUS_ACCT : RADIUS_ACCT_INTERIM,
+			   sta->addr);
+	return;
+
+ fail:
+	radius_msg_free(msg);
+}
+
+
+/**
+ * accounting_sta_interim - Send a interim STA accounting report
+ * @hapd: hostapd BSS data
+ * @sta: The station
+ */
+void accounting_sta_interim(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	if (sta->acct_session_started)
+		accounting_sta_report(hapd, sta, 0);
+}
+
+
+/**
+ * accounting_sta_stop - Stop STA accounting
+ * @hapd: hostapd BSS data
+ * @sta: The station
+ */
+void accounting_sta_stop(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	if (sta->acct_session_started) {
+		accounting_sta_report(hapd, sta, 1);
+		eloop_cancel_timeout(accounting_interim_update, hapd, sta);
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
+			       HOSTAPD_LEVEL_INFO,
+			       "stopped accounting session %08X-%08X",
+			       sta->acct_session_id_hi,
+			       sta->acct_session_id_lo);
+		sta->acct_session_started = 0;
+	}
+}
+
+
+static void accounting_sta_get_id(struct hostapd_data *hapd,
+				  struct sta_info *sta)
+{
+	sta->acct_session_id_lo = hapd->acct_session_id_lo++;
+	if (hapd->acct_session_id_lo == 0) {
+		hapd->acct_session_id_hi++;
+	}
+	sta->acct_session_id_hi = hapd->acct_session_id_hi;
+}
+
+
+/**
+ * accounting_receive - Process the RADIUS frames from Accounting Server
+ * @msg: RADIUS response message
+ * @req: RADIUS request message
+ * @shared_secret: RADIUS shared secret
+ * @shared_secret_len: Length of shared_secret in octets
+ * @data: Context data (struct hostapd_data *)
+ * Returns: Processing status
+ */
+static RadiusRxResult
+accounting_receive(struct radius_msg *msg, struct radius_msg *req,
+		   const u8 *shared_secret, size_t shared_secret_len,
+		   void *data)
+{
+	if (radius_msg_get_hdr(msg)->code != RADIUS_CODE_ACCOUNTING_RESPONSE) {
+		printf("Unknown RADIUS message code\n");
+		return RADIUS_RX_UNKNOWN;
+	}
+
+	if (radius_msg_verify(msg, shared_secret, shared_secret_len, req, 0)) {
+		printf("Incoming RADIUS packet did not have correct "
+		       "Authenticator - dropped\n");
+		return RADIUS_RX_INVALID_AUTHENTICATOR;
+	}
+
+	return RADIUS_RX_PROCESSED;
+}
+
+
+static void accounting_report_state(struct hostapd_data *hapd, int on)
+{
+	struct radius_msg *msg;
+
+	if (!hapd->conf->radius->acct_server || hapd->radius == NULL)
+		return;
+
+	/* Inform RADIUS server that accounting will start/stop so that the
+	 * server can close old accounting sessions. */
+	msg = accounting_msg(hapd, NULL,
+			     on ? RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_ON :
+			     RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_OFF);
+	if (!msg)
+		return;
+
+	if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_TERMINATE_CAUSE,
+				       RADIUS_ACCT_TERMINATE_CAUSE_NAS_REBOOT))
+	{
+		printf("Could not add Acct-Terminate-Cause\n");
+		radius_msg_free(msg);
+		return;
+	}
+
+	radius_client_send(hapd->radius, msg, RADIUS_ACCT, NULL);
+}
+
+
+/**
+ * accounting_init: Initialize accounting
+ * @hapd: hostapd BSS data
+ * Returns: 0 on success, -1 on failure
+ */
+int accounting_init(struct hostapd_data *hapd)
+{
+	struct os_time now;
+
+	/* Acct-Session-Id should be unique over reboots. If reliable clock is
+	 * not available, this could be replaced with reboot counter, etc. */
+	os_get_time(&now);
+	hapd->acct_session_id_hi = now.sec;
+
+	if (radius_client_register(hapd->radius, RADIUS_ACCT,
+				   accounting_receive, hapd))
+		return -1;
+
+	accounting_report_state(hapd, 1);
+
+	return 0;
+}
+
+
+/**
+ * accounting_deinit: Deinitilize accounting
+ * @hapd: hostapd BSS data
+ */
+void accounting_deinit(struct hostapd_data *hapd)
+{
+	accounting_report_state(hapd, 0);
+}
diff --git a/src/ap/accounting.h b/src/ap/accounting.h
new file mode 100644
index 0000000..f3d60f0
--- /dev/null
+++ b/src/ap/accounting.h
@@ -0,0 +1,45 @@
+/*
+ * hostapd / RADIUS Accounting
+ * Copyright (c) 2002-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef ACCOUNTING_H
+#define ACCOUNTING_H
+
+void accounting_sta_interim(struct hostapd_data *hapd, struct sta_info *sta);
+#ifdef CONFIG_NO_ACCOUNTING
+static inline void accounting_sta_start(struct hostapd_data *hapd,
+					struct sta_info *sta)
+{
+}
+
+static inline void accounting_sta_stop(struct hostapd_data *hapd,
+				       struct sta_info *sta)
+{
+}
+
+static inline int accounting_init(struct hostapd_data *hapd)
+{
+	return 0;
+}
+
+static inline void accounting_deinit(struct hostapd_data *hapd)
+{
+}
+#else /* CONFIG_NO_ACCOUNTING */
+void accounting_sta_start(struct hostapd_data *hapd, struct sta_info *sta);
+void accounting_sta_stop(struct hostapd_data *hapd, struct sta_info *sta);
+int accounting_init(struct hostapd_data *hapd);
+void accounting_deinit(struct hostapd_data *hapd);
+#endif /* CONFIG_NO_ACCOUNTING */
+
+#endif /* ACCOUNTING_H */
diff --git a/src/ap/ap_config.c b/src/ap/ap_config.c
new file mode 100644
index 0000000..e77716b
--- /dev/null
+++ b/src/ap/ap_config.c
@@ -0,0 +1,627 @@
+/*
+ * hostapd / Configuration helper functions
+ * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "crypto/sha1.h"
+#include "radius/radius_client.h"
+#include "common/ieee802_11_defs.h"
+#include "common/eapol_common.h"
+#include "eap_common/eap_wsc_common.h"
+#include "eap_server/eap.h"
+#include "wpa_auth.h"
+#include "sta_info.h"
+#include "ap_config.h"
+
+
+static void hostapd_config_free_vlan(struct hostapd_bss_config *bss)
+{
+	struct hostapd_vlan *vlan, *prev;
+
+	vlan = bss->vlan;
+	prev = NULL;
+	while (vlan) {
+		prev = vlan;
+		vlan = vlan->next;
+		os_free(prev);
+	}
+
+	bss->vlan = NULL;
+}
+
+
+void hostapd_config_defaults_bss(struct hostapd_bss_config *bss)
+{
+	bss->logger_syslog_level = HOSTAPD_LEVEL_INFO;
+	bss->logger_stdout_level = HOSTAPD_LEVEL_INFO;
+	bss->logger_syslog = (unsigned int) -1;
+	bss->logger_stdout = (unsigned int) -1;
+
+	bss->auth_algs = WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED;
+
+	bss->wep_rekeying_period = 300;
+	/* use key0 in individual key and key1 in broadcast key */
+	bss->broadcast_key_idx_min = 1;
+	bss->broadcast_key_idx_max = 2;
+	bss->eap_reauth_period = 3600;
+
+	bss->wpa_group_rekey = 600;
+	bss->wpa_gmk_rekey = 86400;
+	bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
+	bss->wpa_pairwise = WPA_CIPHER_TKIP;
+	bss->wpa_group = WPA_CIPHER_TKIP;
+	bss->rsn_pairwise = 0;
+
+	bss->max_num_sta = MAX_STA_COUNT;
+
+	bss->dtim_period = 2;
+
+	bss->radius_server_auth_port = 1812;
+	bss->ap_max_inactivity = AP_MAX_INACTIVITY;
+	bss->eapol_version = EAPOL_VERSION;
+
+	bss->max_listen_interval = 65535;
+
+	bss->pwd_group = 19; /* ECC: GF(p=256) */
+
+#ifdef CONFIG_IEEE80211W
+	bss->assoc_sa_query_max_timeout = 1000;
+	bss->assoc_sa_query_retry_timeout = 201;
+#endif /* CONFIG_IEEE80211W */
+#ifdef EAP_SERVER_FAST
+	 /* both anonymous and authenticated provisioning */
+	bss->eap_fast_prov = 3;
+	bss->pac_key_lifetime = 7 * 24 * 60 * 60;
+	bss->pac_key_refresh_time = 1 * 24 * 60 * 60;
+#endif /* EAP_SERVER_FAST */
+
+	/* Set to -1 as defaults depends on HT in setup */
+	bss->wmm_enabled = -1;
+
+#ifdef CONFIG_IEEE80211R
+	bss->ft_over_ds = 1;
+#endif /* CONFIG_IEEE80211R */
+}
+
+
+struct hostapd_config * hostapd_config_defaults(void)
+{
+#define ecw2cw(ecw) ((1 << (ecw)) - 1)
+
+	struct hostapd_config *conf;
+	struct hostapd_bss_config *bss;
+	const int aCWmin = 4, aCWmax = 10;
+	const struct hostapd_wmm_ac_params ac_bk =
+		{ aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */
+	const struct hostapd_wmm_ac_params ac_be =
+		{ aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */
+	const struct hostapd_wmm_ac_params ac_vi = /* video traffic */
+		{ aCWmin - 1, aCWmin, 2, 3000 / 32, 1 };
+	const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */
+		{ aCWmin - 2, aCWmin - 1, 2, 1500 / 32, 1 };
+	const struct hostapd_tx_queue_params txq_bk =
+		{ 7, ecw2cw(aCWmin), ecw2cw(aCWmax), 0 };
+	const struct hostapd_tx_queue_params txq_be =
+		{ 3, ecw2cw(aCWmin), 4 * (ecw2cw(aCWmin) + 1) - 1, 0};
+	const struct hostapd_tx_queue_params txq_vi =
+		{ 1, (ecw2cw(aCWmin) + 1) / 2 - 1, ecw2cw(aCWmin), 30};
+	const struct hostapd_tx_queue_params txq_vo =
+		{ 1, (ecw2cw(aCWmin) + 1) / 4 - 1,
+		  (ecw2cw(aCWmin) + 1) / 2 - 1, 15};
+
+#undef ecw2cw
+
+	conf = os_zalloc(sizeof(*conf));
+	bss = os_zalloc(sizeof(*bss));
+	if (conf == NULL || bss == NULL) {
+		wpa_printf(MSG_ERROR, "Failed to allocate memory for "
+			   "configuration data.");
+		os_free(conf);
+		os_free(bss);
+		return NULL;
+	}
+
+	bss->radius = os_zalloc(sizeof(*bss->radius));
+	if (bss->radius == NULL) {
+		os_free(conf);
+		os_free(bss);
+		return NULL;
+	}
+
+	hostapd_config_defaults_bss(bss);
+
+	conf->num_bss = 1;
+	conf->bss = bss;
+
+	conf->beacon_int = 100;
+	conf->rts_threshold = -1; /* use driver default: 2347 */
+	conf->fragm_threshold = -1; /* user driver default: 2346 */
+	conf->send_probe_response = 1;
+
+	conf->wmm_ac_params[0] = ac_be;
+	conf->wmm_ac_params[1] = ac_bk;
+	conf->wmm_ac_params[2] = ac_vi;
+	conf->wmm_ac_params[3] = ac_vo;
+
+	conf->tx_queue[0] = txq_vo;
+	conf->tx_queue[1] = txq_vi;
+	conf->tx_queue[2] = txq_be;
+	conf->tx_queue[3] = txq_bk;
+
+	conf->ht_capab = HT_CAP_INFO_SMPS_DISABLED;
+
+	return conf;
+}
+
+
+int hostapd_mac_comp(const void *a, const void *b)
+{
+	return os_memcmp(a, b, sizeof(macaddr));
+}
+
+
+int hostapd_mac_comp_empty(const void *a)
+{
+	macaddr empty = { 0 };
+	return os_memcmp(a, empty, sizeof(macaddr));
+}
+
+
+static int hostapd_config_read_wpa_psk(const char *fname,
+				       struct hostapd_ssid *ssid)
+{
+	FILE *f;
+	char buf[128], *pos;
+	int line = 0, ret = 0, len, ok;
+	u8 addr[ETH_ALEN];
+	struct hostapd_wpa_psk *psk;
+
+	if (!fname)
+		return 0;
+
+	f = fopen(fname, "r");
+	if (!f) {
+		wpa_printf(MSG_ERROR, "WPA PSK file '%s' not found.", fname);
+		return -1;
+	}
+
+	while (fgets(buf, sizeof(buf), f)) {
+		line++;
+
+		if (buf[0] == '#')
+			continue;
+		pos = buf;
+		while (*pos != '\0') {
+			if (*pos == '\n') {
+				*pos = '\0';
+				break;
+			}
+			pos++;
+		}
+		if (buf[0] == '\0')
+			continue;
+
+		if (hwaddr_aton(buf, addr)) {
+			wpa_printf(MSG_ERROR, "Invalid MAC address '%s' on "
+				   "line %d in '%s'", buf, line, fname);
+			ret = -1;
+			break;
+		}
+
+		psk = os_zalloc(sizeof(*psk));
+		if (psk == NULL) {
+			wpa_printf(MSG_ERROR, "WPA PSK allocation failed");
+			ret = -1;
+			break;
+		}
+		if (is_zero_ether_addr(addr))
+			psk->group = 1;
+		else
+			os_memcpy(psk->addr, addr, ETH_ALEN);
+
+		pos = buf + 17;
+		if (*pos == '\0') {
+			wpa_printf(MSG_ERROR, "No PSK on line %d in '%s'",
+				   line, fname);
+			os_free(psk);
+			ret = -1;
+			break;
+		}
+		pos++;
+
+		ok = 0;
+		len = os_strlen(pos);
+		if (len == 64 && hexstr2bin(pos, psk->psk, PMK_LEN) == 0)
+			ok = 1;
+		else if (len >= 8 && len < 64) {
+			pbkdf2_sha1(pos, ssid->ssid, ssid->ssid_len,
+				    4096, psk->psk, PMK_LEN);
+			ok = 1;
+		}
+		if (!ok) {
+			wpa_printf(MSG_ERROR, "Invalid PSK '%s' on line %d in "
+				   "'%s'", pos, line, fname);
+			os_free(psk);
+			ret = -1;
+			break;
+		}
+
+		psk->next = ssid->wpa_psk;
+		ssid->wpa_psk = psk;
+	}
+
+	fclose(f);
+
+	return ret;
+}
+
+
+static int hostapd_derive_psk(struct hostapd_ssid *ssid)
+{
+	ssid->wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
+	if (ssid->wpa_psk == NULL) {
+		wpa_printf(MSG_ERROR, "Unable to alloc space for PSK");
+		return -1;
+	}
+	wpa_hexdump_ascii(MSG_DEBUG, "SSID",
+			  (u8 *) ssid->ssid, ssid->ssid_len);
+	wpa_hexdump_ascii_key(MSG_DEBUG, "PSK (ASCII passphrase)",
+			      (u8 *) ssid->wpa_passphrase,
+			      os_strlen(ssid->wpa_passphrase));
+	pbkdf2_sha1(ssid->wpa_passphrase,
+		    ssid->ssid, ssid->ssid_len,
+		    4096, ssid->wpa_psk->psk, PMK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "PSK (from passphrase)",
+			ssid->wpa_psk->psk, PMK_LEN);
+	return 0;
+}
+
+
+int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf)
+{
+	struct hostapd_ssid *ssid = &conf->ssid;
+
+	if (ssid->wpa_passphrase != NULL) {
+		if (ssid->wpa_psk != NULL) {
+			wpa_printf(MSG_DEBUG, "Using pre-configured WPA PSK "
+				   "instead of passphrase");
+		} else {
+			wpa_printf(MSG_DEBUG, "Deriving WPA PSK based on "
+				   "passphrase");
+			if (hostapd_derive_psk(ssid) < 0)
+				return -1;
+		}
+		ssid->wpa_psk->group = 1;
+	}
+
+	if (ssid->wpa_psk_file) {
+		if (hostapd_config_read_wpa_psk(ssid->wpa_psk_file,
+						&conf->ssid))
+			return -1;
+	}
+
+	return 0;
+}
+
+
+int hostapd_wep_key_cmp(struct hostapd_wep_keys *a, struct hostapd_wep_keys *b)
+{
+	int i;
+
+	if (a->idx != b->idx || a->default_len != b->default_len)
+		return 1;
+	for (i = 0; i < NUM_WEP_KEYS; i++)
+		if (a->len[i] != b->len[i] ||
+		    os_memcmp(a->key[i], b->key[i], a->len[i]) != 0)
+			return 1;
+	return 0;
+}
+
+
+static void hostapd_config_free_radius(struct hostapd_radius_server *servers,
+				       int num_servers)
+{
+	int i;
+
+	for (i = 0; i < num_servers; i++) {
+		os_free(servers[i].shared_secret);
+	}
+	os_free(servers);
+}
+
+
+static void hostapd_config_free_eap_user(struct hostapd_eap_user *user)
+{
+	os_free(user->identity);
+	os_free(user->password);
+	os_free(user);
+}
+
+
+static void hostapd_config_free_wep(struct hostapd_wep_keys *keys)
+{
+	int i;
+	for (i = 0; i < NUM_WEP_KEYS; i++) {
+		os_free(keys->key[i]);
+		keys->key[i] = NULL;
+	}
+}
+
+
+static void hostapd_config_free_bss(struct hostapd_bss_config *conf)
+{
+	struct hostapd_wpa_psk *psk, *prev;
+	struct hostapd_eap_user *user, *prev_user;
+
+	if (conf == NULL)
+		return;
+
+	psk = conf->ssid.wpa_psk;
+	while (psk) {
+		prev = psk;
+		psk = psk->next;
+		os_free(prev);
+	}
+
+	os_free(conf->ssid.wpa_passphrase);
+	os_free(conf->ssid.wpa_psk_file);
+	hostapd_config_free_wep(&conf->ssid.wep);
+#ifdef CONFIG_FULL_DYNAMIC_VLAN
+	os_free(conf->ssid.vlan_tagged_interface);
+#endif /* CONFIG_FULL_DYNAMIC_VLAN */
+
+	user = conf->eap_user;
+	while (user) {
+		prev_user = user;
+		user = user->next;
+		hostapd_config_free_eap_user(prev_user);
+	}
+
+	os_free(conf->dump_log_name);
+	os_free(conf->eap_req_id_text);
+	os_free(conf->accept_mac);
+	os_free(conf->deny_mac);
+	os_free(conf->nas_identifier);
+	hostapd_config_free_radius(conf->radius->auth_servers,
+				   conf->radius->num_auth_servers);
+	hostapd_config_free_radius(conf->radius->acct_servers,
+				   conf->radius->num_acct_servers);
+	os_free(conf->rsn_preauth_interfaces);
+	os_free(conf->ctrl_interface);
+	os_free(conf->ca_cert);
+	os_free(conf->server_cert);
+	os_free(conf->private_key);
+	os_free(conf->private_key_passwd);
+	os_free(conf->dh_file);
+	os_free(conf->pac_opaque_encr_key);
+	os_free(conf->eap_fast_a_id);
+	os_free(conf->eap_fast_a_id_info);
+	os_free(conf->eap_sim_db);
+	os_free(conf->radius_server_clients);
+	os_free(conf->test_socket);
+	os_free(conf->radius);
+	hostapd_config_free_vlan(conf);
+	if (conf->ssid.dyn_vlan_keys) {
+		struct hostapd_ssid *ssid = &conf->ssid;
+		size_t i;
+		for (i = 0; i <= ssid->max_dyn_vlan_keys; i++) {
+			if (ssid->dyn_vlan_keys[i] == NULL)
+				continue;
+			hostapd_config_free_wep(ssid->dyn_vlan_keys[i]);
+			os_free(ssid->dyn_vlan_keys[i]);
+		}
+		os_free(ssid->dyn_vlan_keys);
+		ssid->dyn_vlan_keys = NULL;
+	}
+
+#ifdef CONFIG_IEEE80211R
+	{
+		struct ft_remote_r0kh *r0kh, *r0kh_prev;
+		struct ft_remote_r1kh *r1kh, *r1kh_prev;
+
+		r0kh = conf->r0kh_list;
+		conf->r0kh_list = NULL;
+		while (r0kh) {
+			r0kh_prev = r0kh;
+			r0kh = r0kh->next;
+			os_free(r0kh_prev);
+		}
+
+		r1kh = conf->r1kh_list;
+		conf->r1kh_list = NULL;
+		while (r1kh) {
+			r1kh_prev = r1kh;
+			r1kh = r1kh->next;
+			os_free(r1kh_prev);
+		}
+	}
+#endif /* CONFIG_IEEE80211R */
+
+#ifdef CONFIG_WPS
+	os_free(conf->wps_pin_requests);
+	os_free(conf->device_name);
+	os_free(conf->manufacturer);
+	os_free(conf->model_name);
+	os_free(conf->model_number);
+	os_free(conf->serial_number);
+	os_free(conf->config_methods);
+	os_free(conf->ap_pin);
+	os_free(conf->extra_cred);
+	os_free(conf->ap_settings);
+	os_free(conf->upnp_iface);
+	os_free(conf->friendly_name);
+	os_free(conf->manufacturer_url);
+	os_free(conf->model_description);
+	os_free(conf->model_url);
+	os_free(conf->upc);
+#endif /* CONFIG_WPS */
+}
+
+
+/**
+ * hostapd_config_free - Free hostapd configuration
+ * @conf: Configuration data from hostapd_config_read().
+ */
+void hostapd_config_free(struct hostapd_config *conf)
+{
+	size_t i;
+
+	if (conf == NULL)
+		return;
+
+	for (i = 0; i < conf->num_bss; i++)
+		hostapd_config_free_bss(&conf->bss[i]);
+	os_free(conf->bss);
+	os_free(conf->supported_rates);
+	os_free(conf->basic_rates);
+
+	os_free(conf);
+}
+
+
+/**
+ * hostapd_maclist_found - Find a MAC address from a list
+ * @list: MAC address list
+ * @num_entries: Number of addresses in the list
+ * @addr: Address to search for
+ * @vlan_id: Buffer for returning VLAN ID or %NULL if not needed
+ * Returns: 1 if address is in the list or 0 if not.
+ *
+ * Perform a binary search for given MAC address from a pre-sorted list.
+ */
+int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
+			  const u8 *addr, int *vlan_id)
+{
+	int start, end, middle, res;
+
+	start = 0;
+	end = num_entries - 1;
+
+	while (start <= end) {
+		middle = (start + end) / 2;
+		res = os_memcmp(list[middle].addr, addr, ETH_ALEN);
+		if (res == 0) {
+			if (vlan_id)
+				*vlan_id = list[middle].vlan_id;
+			return 1;
+		}
+		if (res < 0)
+			start = middle + 1;
+		else
+			end = middle - 1;
+	}
+
+	return 0;
+}
+
+
+int hostapd_rate_found(int *list, int rate)
+{
+	int i;
+
+	if (list == NULL)
+		return 0;
+
+	for (i = 0; list[i] >= 0; i++)
+		if (list[i] == rate)
+			return 1;
+
+	return 0;
+}
+
+
+const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan, int vlan_id)
+{
+	struct hostapd_vlan *v = vlan;
+	while (v) {
+		if (v->vlan_id == vlan_id || v->vlan_id == VLAN_ID_WILDCARD)
+			return v->ifname;
+		v = v->next;
+	}
+	return NULL;
+}
+
+
+const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
+			   const u8 *addr, const u8 *prev_psk)
+{
+	struct hostapd_wpa_psk *psk;
+	int next_ok = prev_psk == NULL;
+
+	for (psk = conf->ssid.wpa_psk; psk != NULL; psk = psk->next) {
+		if (next_ok &&
+		    (psk->group || os_memcmp(psk->addr, addr, ETH_ALEN) == 0))
+			return psk->psk;
+
+		if (psk->psk == prev_psk)
+			next_ok = 1;
+	}
+
+	return NULL;
+}
+
+
+const struct hostapd_eap_user *
+hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity,
+		     size_t identity_len, int phase2)
+{
+	struct hostapd_eap_user *user = conf->eap_user;
+
+#ifdef CONFIG_WPS
+	if (conf->wps_state && identity_len == WSC_ID_ENROLLEE_LEN &&
+	    os_memcmp(identity, WSC_ID_ENROLLEE, WSC_ID_ENROLLEE_LEN) == 0) {
+		static struct hostapd_eap_user wsc_enrollee;
+		os_memset(&wsc_enrollee, 0, sizeof(wsc_enrollee));
+		wsc_enrollee.methods[0].method = eap_server_get_type(
+			"WSC", &wsc_enrollee.methods[0].vendor);
+		return &wsc_enrollee;
+	}
+
+	if (conf->wps_state && identity_len == WSC_ID_REGISTRAR_LEN &&
+	    os_memcmp(identity, WSC_ID_REGISTRAR, WSC_ID_REGISTRAR_LEN) == 0) {
+		static struct hostapd_eap_user wsc_registrar;
+		os_memset(&wsc_registrar, 0, sizeof(wsc_registrar));
+		wsc_registrar.methods[0].method = eap_server_get_type(
+			"WSC", &wsc_registrar.methods[0].vendor);
+		wsc_registrar.password = (u8 *) conf->ap_pin;
+		wsc_registrar.password_len = conf->ap_pin ?
+			os_strlen(conf->ap_pin) : 0;
+		return &wsc_registrar;
+	}
+#endif /* CONFIG_WPS */
+
+	while (user) {
+		if (!phase2 && user->identity == NULL) {
+			/* Wildcard match */
+			break;
+		}
+
+		if (user->phase2 == !!phase2 && user->wildcard_prefix &&
+		    identity_len >= user->identity_len &&
+		    os_memcmp(user->identity, identity, user->identity_len) ==
+		    0) {
+			/* Wildcard prefix match */
+			break;
+		}
+
+		if (user->phase2 == !!phase2 &&
+		    user->identity_len == identity_len &&
+		    os_memcmp(user->identity, identity, identity_len) == 0)
+			break;
+		user = user->next;
+	}
+
+	return user;
+}
diff --git a/src/ap/ap_config.h b/src/ap/ap_config.h
new file mode 100644
index 0000000..25720b8
--- /dev/null
+++ b/src/ap/ap_config.h
@@ -0,0 +1,417 @@
+/*
+ * hostapd / Configuration definitions and helpers functions
+ * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef HOSTAPD_CONFIG_H
+#define HOSTAPD_CONFIG_H
+
+#include "common/defs.h"
+#include "ip_addr.h"
+#include "common/wpa_common.h"
+#include "wps/wps.h"
+
+#define MAX_STA_COUNT 2007
+#define MAX_VLAN_ID 4094
+
+typedef u8 macaddr[ETH_ALEN];
+
+struct mac_acl_entry {
+	macaddr addr;
+	int vlan_id;
+};
+
+struct hostapd_radius_servers;
+struct ft_remote_r0kh;
+struct ft_remote_r1kh;
+
+#define HOSTAPD_MAX_SSID_LEN 32
+
+#define NUM_WEP_KEYS 4
+struct hostapd_wep_keys {
+	u8 idx;
+	u8 *key[NUM_WEP_KEYS];
+	size_t len[NUM_WEP_KEYS];
+	int keys_set;
+	size_t default_len; /* key length used for dynamic key generation */
+};
+
+typedef enum hostap_security_policy {
+	SECURITY_PLAINTEXT = 0,
+	SECURITY_STATIC_WEP = 1,
+	SECURITY_IEEE_802_1X = 2,
+	SECURITY_WPA_PSK = 3,
+	SECURITY_WPA = 4
+} secpolicy;
+
+struct hostapd_ssid {
+	char ssid[HOSTAPD_MAX_SSID_LEN + 1];
+	size_t ssid_len;
+	int ssid_set;
+
+	char vlan[IFNAMSIZ + 1];
+	secpolicy security_policy;
+
+	struct hostapd_wpa_psk *wpa_psk;
+	char *wpa_passphrase;
+	char *wpa_psk_file;
+
+	struct hostapd_wep_keys wep;
+
+#define DYNAMIC_VLAN_DISABLED 0
+#define DYNAMIC_VLAN_OPTIONAL 1
+#define DYNAMIC_VLAN_REQUIRED 2
+	int dynamic_vlan;
+#ifdef CONFIG_FULL_DYNAMIC_VLAN
+	char *vlan_tagged_interface;
+#endif /* CONFIG_FULL_DYNAMIC_VLAN */
+	struct hostapd_wep_keys **dyn_vlan_keys;
+	size_t max_dyn_vlan_keys;
+};
+
+
+#define VLAN_ID_WILDCARD -1
+
+struct hostapd_vlan {
+	struct hostapd_vlan *next;
+	int vlan_id; /* VLAN ID or -1 (VLAN_ID_WILDCARD) for wildcard entry */
+	char ifname[IFNAMSIZ + 1];
+	int dynamic_vlan;
+#ifdef CONFIG_FULL_DYNAMIC_VLAN
+
+#define DVLAN_CLEAN_BR 	0x1
+#define DVLAN_CLEAN_VLAN	0x2
+#define DVLAN_CLEAN_VLAN_PORT	0x4
+#define DVLAN_CLEAN_WLAN_PORT	0x8
+	int clean;
+#endif /* CONFIG_FULL_DYNAMIC_VLAN */
+};
+
+#define PMK_LEN 32
+struct hostapd_wpa_psk {
+	struct hostapd_wpa_psk *next;
+	int group;
+	u8 psk[PMK_LEN];
+	u8 addr[ETH_ALEN];
+};
+
+#define EAP_USER_MAX_METHODS 8
+struct hostapd_eap_user {
+	struct hostapd_eap_user *next;
+	u8 *identity;
+	size_t identity_len;
+	struct {
+		int vendor;
+		u32 method;
+	} methods[EAP_USER_MAX_METHODS];
+	u8 *password;
+	size_t password_len;
+	int phase2;
+	int force_version;
+	unsigned int wildcard_prefix:1;
+	unsigned int password_hash:1; /* whether password is hashed with
+				       * nt_password_hash() */
+	int ttls_auth; /* EAP_TTLS_AUTH_* bitfield */
+};
+
+
+#define NUM_TX_QUEUES 4
+
+struct hostapd_tx_queue_params {
+	int aifs;
+	int cwmin;
+	int cwmax;
+	int burst; /* maximum burst time in 0.1 ms, i.e., 10 = 1 ms */
+};
+
+struct hostapd_wmm_ac_params {
+	int cwmin;
+	int cwmax;
+	int aifs;
+	int txop_limit; /* in units of 32us */
+	int admission_control_mandatory;
+};
+
+
+/**
+ * struct hostapd_bss_config - Per-BSS configuration
+ */
+struct hostapd_bss_config {
+	char iface[IFNAMSIZ + 1];
+	char bridge[IFNAMSIZ + 1];
+	char wds_bridge[IFNAMSIZ + 1];
+
+	enum hostapd_logger_level logger_syslog_level, logger_stdout_level;
+
+	unsigned int logger_syslog; /* module bitfield */
+	unsigned int logger_stdout; /* module bitfield */
+
+	char *dump_log_name; /* file name for state dump (SIGUSR1) */
+
+	int max_num_sta; /* maximum number of STAs in station table */
+
+	int dtim_period;
+
+	int ieee802_1x; /* use IEEE 802.1X */
+	int eapol_version;
+	int eap_server; /* Use internal EAP server instead of external
+			 * RADIUS server */
+	struct hostapd_eap_user *eap_user;
+	char *eap_sim_db;
+	struct hostapd_ip_addr own_ip_addr;
+	char *nas_identifier;
+	struct hostapd_radius_servers *radius;
+	int acct_interim_interval;
+
+	struct hostapd_ssid ssid;
+
+	char *eap_req_id_text; /* optional displayable message sent with
+				* EAP Request-Identity */
+	size_t eap_req_id_text_len;
+	int eapol_key_index_workaround;
+
+	size_t default_wep_key_len;
+	int individual_wep_key_len;
+	int wep_rekeying_period;
+	int broadcast_key_idx_min, broadcast_key_idx_max;
+	int eap_reauth_period;
+
+	int ieee802_11f; /* use IEEE 802.11f (IAPP) */
+	char iapp_iface[IFNAMSIZ + 1]; /* interface used with IAPP broadcast
+					* frames */
+
+	enum {
+		ACCEPT_UNLESS_DENIED = 0,
+		DENY_UNLESS_ACCEPTED = 1,
+		USE_EXTERNAL_RADIUS_AUTH = 2
+	} macaddr_acl;
+	struct mac_acl_entry *accept_mac;
+	int num_accept_mac;
+	struct mac_acl_entry *deny_mac;
+	int num_deny_mac;
+	int wds_sta;
+	int isolate;
+
+	int auth_algs; /* bitfield of allowed IEEE 802.11 authentication
+			* algorithms, WPA_AUTH_ALG_{OPEN,SHARED,LEAP} */
+
+	int wpa; /* bitfield of WPA_PROTO_WPA, WPA_PROTO_RSN */
+	int wpa_key_mgmt;
+#ifdef CONFIG_IEEE80211W
+	enum mfp_options ieee80211w;
+	/* dot11AssociationSAQueryMaximumTimeout (in TUs) */
+	unsigned int assoc_sa_query_max_timeout;
+	/* dot11AssociationSAQueryRetryTimeout (in TUs) */
+	int assoc_sa_query_retry_timeout;
+#endif /* CONFIG_IEEE80211W */
+	int wpa_pairwise;
+	int wpa_group;
+	int wpa_group_rekey;
+	int wpa_strict_rekey;
+	int wpa_gmk_rekey;
+	int wpa_ptk_rekey;
+	int rsn_pairwise;
+	int rsn_preauth;
+	char *rsn_preauth_interfaces;
+	int peerkey;
+
+#ifdef CONFIG_IEEE80211R
+	/* IEEE 802.11r - Fast BSS Transition */
+	u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
+	u8 r1_key_holder[FT_R1KH_ID_LEN];
+	u32 r0_key_lifetime;
+	u32 reassociation_deadline;
+	struct ft_remote_r0kh *r0kh_list;
+	struct ft_remote_r1kh *r1kh_list;
+	int pmk_r1_push;
+	int ft_over_ds;
+#endif /* CONFIG_IEEE80211R */
+
+	char *ctrl_interface; /* directory for UNIX domain sockets */
+#ifndef CONFIG_NATIVE_WINDOWS
+	gid_t ctrl_interface_gid;
+#endif /* CONFIG_NATIVE_WINDOWS */
+	int ctrl_interface_gid_set;
+
+	char *ca_cert;
+	char *server_cert;
+	char *private_key;
+	char *private_key_passwd;
+	int check_crl;
+	char *dh_file;
+	u8 *pac_opaque_encr_key;
+	u8 *eap_fast_a_id;
+	size_t eap_fast_a_id_len;
+	char *eap_fast_a_id_info;
+	int eap_fast_prov;
+	int pac_key_lifetime;
+	int pac_key_refresh_time;
+	int eap_sim_aka_result_ind;
+	int tnc;
+	int fragment_size;
+	u16 pwd_group;
+
+	char *radius_server_clients;
+	int radius_server_auth_port;
+	int radius_server_ipv6;
+
+	char *test_socket; /* UNIX domain socket path for driver_test */
+
+	int use_pae_group_addr; /* Whether to send EAPOL frames to PAE group
+				 * address instead of individual address
+				 * (for driver_wired.c).
+				 */
+
+	int ap_max_inactivity;
+	int ignore_broadcast_ssid;
+
+	int wmm_enabled;
+	int wmm_uapsd;
+
+	struct hostapd_vlan *vlan, *vlan_tail;
+
+	macaddr bssid;
+
+	/*
+	 * Maximum listen interval that STAs can use when associating with this
+	 * BSS. If a STA tries to use larger value, the association will be
+	 * denied with status code 51.
+	 */
+	u16 max_listen_interval;
+
+	int okc; /* Opportunistic Key Caching */
+
+	int wps_state;
+#ifdef CONFIG_WPS
+	int ap_setup_locked;
+	u8 uuid[16];
+	char *wps_pin_requests;
+	char *device_name;
+	char *manufacturer;
+	char *model_name;
+	char *model_number;
+	char *serial_number;
+	u8 device_type[WPS_DEV_TYPE_LEN];
+	char *config_methods;
+	u8 os_version[4];
+	char *ap_pin;
+	int skip_cred_build;
+	u8 *extra_cred;
+	size_t extra_cred_len;
+	int wps_cred_processing;
+	u8 *ap_settings;
+	size_t ap_settings_len;
+	char *upnp_iface;
+	char *friendly_name;
+	char *manufacturer_url;
+	char *model_description;
+	char *model_url;
+	char *upc;
+	struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXTENSIONS];
+#endif /* CONFIG_WPS */
+
+#define P2P_ENABLED BIT(0)
+#define P2P_GROUP_OWNER BIT(1)
+#define P2P_GROUP_FORMATION BIT(2)
+#define P2P_MANAGE BIT(3)
+#define P2P_ALLOW_CROSS_CONNECTION BIT(4)
+	int p2p;
+
+	int disassoc_low_ack;
+
+#define TDLS_PROHIBIT BIT(0)
+#define TDLS_PROHIBIT_CHAN_SWITCH BIT(1)
+	int tdls;
+	int disable_11n;
+};
+
+
+/**
+ * struct hostapd_config - Per-radio interface configuration
+ */
+struct hostapd_config {
+	struct hostapd_bss_config *bss, *last_bss;
+	size_t num_bss;
+
+	u16 beacon_int;
+	int rts_threshold;
+	int fragm_threshold;
+	u8 send_probe_response;
+	u8 channel;
+	enum hostapd_hw_mode hw_mode; /* HOSTAPD_MODE_IEEE80211A, .. */
+	enum {
+		LONG_PREAMBLE = 0,
+		SHORT_PREAMBLE = 1
+	} preamble;
+	enum {
+		CTS_PROTECTION_AUTOMATIC = 0,
+		CTS_PROTECTION_FORCE_ENABLED = 1,
+		CTS_PROTECTION_FORCE_DISABLED = 2,
+		CTS_PROTECTION_AUTOMATIC_NO_OLBC = 3,
+	} cts_protection_type;
+
+	int *supported_rates;
+	int *basic_rates;
+
+	const struct wpa_driver_ops *driver;
+
+	int ap_table_max_size;
+	int ap_table_expiration_time;
+
+	char country[3]; /* first two octets: country code as described in
+			  * ISO/IEC 3166-1. Third octet:
+			  * ' ' (ascii 32): all environments
+			  * 'O': Outdoor environemnt only
+			  * 'I': Indoor environment only
+			  */
+
+	int ieee80211d;
+
+	struct hostapd_tx_queue_params tx_queue[NUM_TX_QUEUES];
+
+	/*
+	 * WMM AC parameters, in same order as 802.1D, i.e.
+	 * 0 = BE (best effort)
+	 * 1 = BK (background)
+	 * 2 = VI (video)
+	 * 3 = VO (voice)
+	 */
+	struct hostapd_wmm_ac_params wmm_ac_params[4];
+
+	int ht_op_mode_fixed;
+	u16 ht_capab;
+	int ieee80211n;
+	int secondary_channel;
+	int require_ht;
+};
+
+
+int hostapd_mac_comp(const void *a, const void *b);
+int hostapd_mac_comp_empty(const void *a);
+struct hostapd_config * hostapd_config_defaults(void);
+void hostapd_config_defaults_bss(struct hostapd_bss_config *bss);
+void hostapd_config_free(struct hostapd_config *conf);
+int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
+			  const u8 *addr, int *vlan_id);
+int hostapd_rate_found(int *list, int rate);
+int hostapd_wep_key_cmp(struct hostapd_wep_keys *a,
+			struct hostapd_wep_keys *b);
+const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
+			   const u8 *addr, const u8 *prev_psk);
+int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf);
+const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan,
+					int vlan_id);
+const struct hostapd_eap_user *
+hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity,
+		     size_t identity_len, int phase2);
+
+#endif /* HOSTAPD_CONFIG_H */
diff --git a/src/ap/ap_drv_ops.c b/src/ap/ap_drv_ops.c
new file mode 100644
index 0000000..0b6836c
--- /dev/null
+++ b/src/ap/ap_drv_ops.c
@@ -0,0 +1,632 @@
+/*
+ * hostapd - Driver operations
+ * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "drivers/driver.h"
+#include "common/ieee802_11_defs.h"
+#include "wps/wps.h"
+#include "hostapd.h"
+#include "ieee802_11.h"
+#include "sta_info.h"
+#include "ap_config.h"
+#include "p2p_hostapd.h"
+#include "ap_drv_ops.h"
+
+
+u32 hostapd_sta_flags_to_drv(u32 flags)
+{
+	int res = 0;
+	if (flags & WLAN_STA_AUTHORIZED)
+		res |= WPA_STA_AUTHORIZED;
+	if (flags & WLAN_STA_WMM)
+		res |= WPA_STA_WMM;
+	if (flags & WLAN_STA_SHORT_PREAMBLE)
+		res |= WPA_STA_SHORT_PREAMBLE;
+	if (flags & WLAN_STA_MFP)
+		res |= WPA_STA_MFP;
+	return res;
+}
+
+
+int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
+{
+	struct wpabuf *beacon, *proberesp, *assocresp = NULL;
+	int ret;
+
+	if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
+		return 0;
+
+	beacon = hapd->wps_beacon_ie;
+	proberesp = hapd->wps_probe_resp_ie;
+
+#ifdef CONFIG_P2P
+	if (hapd->wps_beacon_ie == NULL && hapd->p2p_beacon_ie == NULL)
+		beacon = NULL;
+	else {
+		beacon = wpabuf_alloc((hapd->wps_beacon_ie ?
+				       wpabuf_len(hapd->wps_beacon_ie) : 0) +
+				      (hapd->p2p_beacon_ie ?
+				       wpabuf_len(hapd->p2p_beacon_ie) : 0));
+		if (beacon == NULL)
+			return -1;
+		if (hapd->wps_beacon_ie)
+			wpabuf_put_buf(beacon, hapd->wps_beacon_ie);
+		if (hapd->p2p_beacon_ie)
+			wpabuf_put_buf(beacon, hapd->p2p_beacon_ie);
+	}
+
+	if (hapd->wps_probe_resp_ie == NULL && hapd->p2p_probe_resp_ie == NULL)
+		proberesp = NULL;
+	else {
+		proberesp = wpabuf_alloc(
+			(hapd->wps_probe_resp_ie ?
+			 wpabuf_len(hapd->wps_probe_resp_ie) : 0) +
+			(hapd->p2p_probe_resp_ie ?
+			 wpabuf_len(hapd->p2p_probe_resp_ie) : 0));
+		if (proberesp == NULL) {
+			wpabuf_free(beacon);
+			return -1;
+		}
+		if (hapd->wps_probe_resp_ie)
+			wpabuf_put_buf(proberesp, hapd->wps_probe_resp_ie);
+		if (hapd->p2p_probe_resp_ie)
+			wpabuf_put_buf(proberesp, hapd->p2p_probe_resp_ie);
+	}
+#endif /* CONFIG_P2P */
+
+#ifdef CONFIG_P2P_MANAGER
+	if (hapd->conf->p2p & P2P_MANAGE) {
+		struct wpabuf *a;
+
+		a = wpabuf_alloc(100 + (beacon ? wpabuf_len(beacon) : 0));
+		if (a) {
+			u8 *start, *p;
+			if (beacon)
+				wpabuf_put_buf(a, beacon);
+			if (beacon != hapd->wps_beacon_ie)
+				wpabuf_free(beacon);
+			start = wpabuf_put(a, 0);
+			p = hostapd_eid_p2p_manage(hapd, start);
+			wpabuf_put(a, p - start);
+			beacon = a;
+		}
+
+		a = wpabuf_alloc(100 + (proberesp ? wpabuf_len(proberesp) :
+					0));
+		if (a) {
+			u8 *start, *p;
+			if (proberesp)
+				wpabuf_put_buf(a, proberesp);
+			if (proberesp != hapd->wps_probe_resp_ie)
+				wpabuf_free(proberesp);
+			start = wpabuf_put(a, 0);
+			p = hostapd_eid_p2p_manage(hapd, start);
+			wpabuf_put(a, p - start);
+			proberesp = a;
+		}
+	}
+#endif /* CONFIG_P2P_MANAGER */
+
+#ifdef CONFIG_WPS2
+	if (hapd->conf->wps_state)
+		assocresp = wps_build_assoc_resp_ie();
+#endif /* CONFIG_WPS2 */
+
+#ifdef CONFIG_P2P_MANAGER
+	if (hapd->conf->p2p & P2P_MANAGE) {
+		struct wpabuf *a;
+		a = wpabuf_alloc(100 + (assocresp ? wpabuf_len(assocresp) :
+					0));
+		if (a) {
+			u8 *start, *p;
+			start = wpabuf_put(a, 0);
+			p = hostapd_eid_p2p_manage(hapd, start);
+			wpabuf_put(a, p - start);
+			if (assocresp) {
+				wpabuf_put_buf(a, assocresp);
+				wpabuf_free(assocresp);
+			}
+			assocresp = a;
+		}
+	}
+#endif /* CONFIG_P2P_MANAGER */
+
+	ret = hapd->driver->set_ap_wps_ie(hapd->drv_priv, beacon, proberesp,
+					  assocresp);
+
+	if (beacon != hapd->wps_beacon_ie)
+		wpabuf_free(beacon);
+	if (proberesp != hapd->wps_probe_resp_ie)
+		wpabuf_free(proberesp);
+	wpabuf_free(assocresp);
+
+	return ret;
+}
+
+
+int hostapd_set_authorized(struct hostapd_data *hapd,
+			   struct sta_info *sta, int authorized)
+{
+	if (authorized) {
+		return hostapd_sta_set_flags(hapd, sta->addr,
+					     hostapd_sta_flags_to_drv(
+						     sta->flags),
+					     WPA_STA_AUTHORIZED, ~0);
+	}
+
+	return hostapd_sta_set_flags(hapd, sta->addr,
+				     hostapd_sta_flags_to_drv(sta->flags),
+				     0, ~WPA_STA_AUTHORIZED);
+}
+
+
+int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	int set_flags, total_flags, flags_and, flags_or;
+	total_flags = hostapd_sta_flags_to_drv(sta->flags);
+	set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
+	if (((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
+	     sta->auth_alg == WLAN_AUTH_FT) &&
+	    sta->flags & WLAN_STA_AUTHORIZED)
+		set_flags |= WPA_STA_AUTHORIZED;
+	flags_or = total_flags & set_flags;
+	flags_and = total_flags | ~set_flags;
+	return hostapd_sta_set_flags(hapd, sta->addr, total_flags,
+				     flags_or, flags_and);
+}
+
+
+int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname,
+			      int enabled)
+{
+	struct wpa_bss_params params;
+	os_memset(&params, 0, sizeof(params));
+	params.ifname = ifname;
+	params.enabled = enabled;
+	if (enabled) {
+		params.wpa = hapd->conf->wpa;
+		params.ieee802_1x = hapd->conf->ieee802_1x;
+		params.wpa_group = hapd->conf->wpa_group;
+		params.wpa_pairwise = hapd->conf->wpa_pairwise;
+		params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt;
+		params.rsn_preauth = hapd->conf->rsn_preauth;
+#ifdef CONFIG_IEEE80211W
+		params.ieee80211w = hapd->conf->ieee80211w;
+#endif /* CONFIG_IEEE80211W */
+	}
+	return hostapd_set_ieee8021x(hapd, &params);
+}
+
+
+static int hostapd_set_ap_isolate(struct hostapd_data *hapd, int value)
+{
+	if (hapd->driver == NULL || hapd->driver->set_intra_bss == NULL)
+		return 0;
+	return hapd->driver->set_intra_bss(hapd->drv_priv, !value);
+}
+
+
+int hostapd_set_bss_params(struct hostapd_data *hapd, int use_protection)
+{
+	int ret = 0;
+	int preamble;
+#ifdef CONFIG_IEEE80211N
+	u8 buf[60], *ht_capab, *ht_oper, *pos;
+
+	pos = buf;
+	ht_capab = pos;
+	pos = hostapd_eid_ht_capabilities(hapd, pos);
+	ht_oper = pos;
+	pos = hostapd_eid_ht_operation(hapd, pos);
+	if (pos > ht_oper && ht_oper > ht_capab &&
+	    hostapd_set_ht_params(hapd, ht_capab + 2, ht_capab[1],
+				  ht_oper + 2, ht_oper[1])) {
+		wpa_printf(MSG_ERROR, "Could not set HT capabilities "
+			   "for kernel driver");
+		ret = -1;
+	}
+
+#endif /* CONFIG_IEEE80211N */
+
+	if (hostapd_set_cts_protect(hapd, use_protection)) {
+		wpa_printf(MSG_ERROR, "Failed to set CTS protect in kernel "
+			   "driver");
+		ret = -1;
+	}
+
+	if (hapd->iface->current_mode &&
+	    hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G &&
+	    hostapd_set_short_slot_time(hapd,
+					hapd->iface->num_sta_no_short_slot_time
+					> 0 ? 0 : 1)) {
+		wpa_printf(MSG_ERROR, "Failed to set Short Slot Time option "
+			   "in kernel driver");
+		ret = -1;
+	}
+
+	if (hapd->iface->num_sta_no_short_preamble == 0 &&
+	    hapd->iconf->preamble == SHORT_PREAMBLE)
+		preamble = SHORT_PREAMBLE;
+	else
+		preamble = LONG_PREAMBLE;
+	if (hostapd_set_preamble(hapd, preamble)) {
+		wpa_printf(MSG_ERROR, "Could not set preamble for kernel "
+			   "driver");
+		ret = -1;
+	}
+
+	if (hostapd_set_ap_isolate(hapd, hapd->conf->isolate) &&
+	    hapd->conf->isolate) {
+		wpa_printf(MSG_ERROR, "Could not enable AP isolation in "
+			   "kernel driver");
+		ret = -1;
+	}
+
+	return ret;
+}
+
+
+int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname)
+{
+	char force_ifname[IFNAMSIZ];
+	u8 if_addr[ETH_ALEN];
+	return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, hapd->own_addr,
+			      NULL, NULL, force_ifname, if_addr, NULL);
+}
+
+
+int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname)
+{
+	return hostapd_if_remove(hapd, WPA_IF_AP_VLAN, ifname);
+}
+
+
+int hostapd_set_wds_sta(struct hostapd_data *hapd, const u8 *addr, int aid,
+			int val)
+{
+	const char *bridge = NULL;
+
+	if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL)
+		return 0;
+	if (hapd->conf->wds_bridge[0])
+		bridge = hapd->conf->wds_bridge;
+	else if (hapd->conf->bridge[0])
+		bridge = hapd->conf->bridge;
+	return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val,
+					 bridge);
+}
+
+
+int hostapd_sta_add(struct hostapd_data *hapd,
+		    const u8 *addr, u16 aid, u16 capability,
+		    const u8 *supp_rates, size_t supp_rates_len,
+		    u16 listen_interval,
+		    const struct ieee80211_ht_capabilities *ht_capab)
+{
+	struct hostapd_sta_add_params params;
+
+	if (hapd->driver == NULL)
+		return 0;
+	if (hapd->driver->sta_add == NULL)
+		return 0;
+
+	os_memset(&params, 0, sizeof(params));
+	params.addr = addr;
+	params.aid = aid;
+	params.capability = capability;
+	params.supp_rates = supp_rates;
+	params.supp_rates_len = supp_rates_len;
+	params.listen_interval = listen_interval;
+	params.ht_capabilities = ht_capab;
+	return hapd->driver->sta_add(hapd->drv_priv, &params);
+}
+
+
+int hostapd_set_privacy(struct hostapd_data *hapd, int enabled)
+{
+	if (hapd->driver == NULL || hapd->driver->set_privacy == NULL)
+		return 0;
+	return hapd->driver->set_privacy(hapd->drv_priv, enabled);
+}
+
+
+int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
+			     size_t elem_len)
+{
+	if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL)
+		return 0;
+	return hapd->driver->set_generic_elem(hapd->drv_priv, elem, elem_len);
+}
+
+
+int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len)
+{
+	if (hapd->driver == NULL || hapd->driver->hapd_get_ssid == NULL)
+		return 0;
+	return hapd->driver->hapd_get_ssid(hapd->drv_priv, buf, len);
+}
+
+
+int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len)
+{
+	if (hapd->driver == NULL || hapd->driver->hapd_set_ssid == NULL)
+		return 0;
+	return hapd->driver->hapd_set_ssid(hapd->drv_priv, buf, len);
+}
+
+
+int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
+		   const char *ifname, const u8 *addr, void *bss_ctx,
+		   void **drv_priv, char *force_ifname, u8 *if_addr,
+		   const char *bridge)
+{
+	if (hapd->driver == NULL || hapd->driver->if_add == NULL)
+		return -1;
+	return hapd->driver->if_add(hapd->drv_priv, type, ifname, addr,
+				    bss_ctx, drv_priv, force_ifname, if_addr,
+				    bridge);
+}
+
+
+int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
+		      const char *ifname)
+{
+	if (hapd->driver == NULL || hapd->driver->if_remove == NULL)
+		return -1;
+	return hapd->driver->if_remove(hapd->drv_priv, type, ifname);
+}
+
+
+int hostapd_set_ieee8021x(struct hostapd_data *hapd,
+			  struct wpa_bss_params *params)
+{
+	if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL)
+		return 0;
+	return hapd->driver->set_ieee8021x(hapd->drv_priv, params);
+}
+
+
+int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
+		       const u8 *addr, int idx, u8 *seq)
+{
+	if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL)
+		return 0;
+	return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx,
+					seq);
+}
+
+
+int hostapd_flush(struct hostapd_data *hapd)
+{
+	if (hapd->driver == NULL || hapd->driver->flush == NULL)
+		return 0;
+	return hapd->driver->flush(hapd->drv_priv);
+}
+
+
+int hostapd_set_freq(struct hostapd_data *hapd, int mode, int freq,
+		     int channel, int ht_enabled, int sec_channel_offset)
+{
+	struct hostapd_freq_params data;
+	if (hapd->driver == NULL)
+		return 0;
+	if (hapd->driver->set_freq == NULL)
+		return 0;
+	os_memset(&data, 0, sizeof(data));
+	data.mode = mode;
+	data.freq = freq;
+	data.channel = channel;
+	data.ht_enabled = ht_enabled;
+	data.sec_channel_offset = sec_channel_offset;
+	return hapd->driver->set_freq(hapd->drv_priv, &data);
+}
+
+int hostapd_set_rts(struct hostapd_data *hapd, int rts)
+{
+	if (hapd->driver == NULL || hapd->driver->set_rts == NULL)
+		return 0;
+	return hapd->driver->set_rts(hapd->drv_priv, rts);
+}
+
+
+int hostapd_set_frag(struct hostapd_data *hapd, int frag)
+{
+	if (hapd->driver == NULL || hapd->driver->set_frag == NULL)
+		return 0;
+	return hapd->driver->set_frag(hapd->drv_priv, frag);
+}
+
+
+int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
+			  int total_flags, int flags_or, int flags_and)
+{
+	if (hapd->driver == NULL || hapd->driver->sta_set_flags == NULL)
+		return 0;
+	return hapd->driver->sta_set_flags(hapd->drv_priv, addr, total_flags,
+					   flags_or, flags_and);
+}
+
+
+int hostapd_set_rate_sets(struct hostapd_data *hapd, int *supp_rates,
+			  int *basic_rates, int mode)
+{
+	if (hapd->driver == NULL || hapd->driver->set_rate_sets == NULL)
+		return 0;
+	return hapd->driver->set_rate_sets(hapd->drv_priv, supp_rates,
+					   basic_rates, mode);
+}
+
+
+int hostapd_set_country(struct hostapd_data *hapd, const char *country)
+{
+	if (hapd->driver == NULL ||
+	    hapd->driver->set_country == NULL)
+		return 0;
+	return hapd->driver->set_country(hapd->drv_priv, country);
+}
+
+
+int hostapd_set_cts_protect(struct hostapd_data *hapd, int value)
+{
+	if (hapd->driver == NULL || hapd->driver->set_cts_protect == NULL)
+		return 0;
+	return hapd->driver->set_cts_protect(hapd->drv_priv, value);
+}
+
+
+int hostapd_set_preamble(struct hostapd_data *hapd, int value)
+{
+	if (hapd->driver == NULL || hapd->driver->set_preamble == NULL)
+		return 0;
+	return hapd->driver->set_preamble(hapd->drv_priv, value);
+}
+
+
+int hostapd_set_short_slot_time(struct hostapd_data *hapd, int value)
+{
+	if (hapd->driver == NULL || hapd->driver->set_short_slot_time == NULL)
+		return 0;
+	return hapd->driver->set_short_slot_time(hapd->drv_priv, value);
+}
+
+
+int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
+				int cw_min, int cw_max, int burst_time)
+{
+	if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL)
+		return 0;
+	return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs,
+						 cw_min, cw_max, burst_time);
+}
+
+
+int hostapd_valid_bss_mask(struct hostapd_data *hapd, const u8 *addr,
+			   const u8 *mask)
+{
+	if (hapd->driver == NULL || hapd->driver->valid_bss_mask == NULL)
+		return 1;
+	return hapd->driver->valid_bss_mask(hapd->drv_priv, addr, mask);
+}
+
+
+struct hostapd_hw_modes *
+hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
+			    u16 *flags)
+{
+	if (hapd->driver == NULL ||
+	    hapd->driver->get_hw_feature_data == NULL)
+		return NULL;
+	return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes,
+						 flags);
+}
+
+
+int hostapd_driver_commit(struct hostapd_data *hapd)
+{
+	if (hapd->driver == NULL || hapd->driver->commit == NULL)
+		return 0;
+	return hapd->driver->commit(hapd->drv_priv);
+}
+
+
+int hostapd_set_ht_params(struct hostapd_data *hapd,
+			  const u8 *ht_capab, size_t ht_capab_len,
+			  const u8 *ht_oper, size_t ht_oper_len)
+{
+	if (hapd->driver == NULL || hapd->driver->set_ht_params == NULL ||
+	    ht_capab == NULL || ht_oper == NULL)
+		return 0;
+	return hapd->driver->set_ht_params(hapd->drv_priv,
+					   ht_capab, ht_capab_len,
+					   ht_oper, ht_oper_len);
+}
+
+
+int hostapd_drv_none(struct hostapd_data *hapd)
+{
+	return hapd->driver && os_strcmp(hapd->driver->name, "none") == 0;
+}
+
+
+int hostapd_driver_scan(struct hostapd_data *hapd,
+			struct wpa_driver_scan_params *params)
+{
+	if (hapd->driver && hapd->driver->scan2)
+		return hapd->driver->scan2(hapd->drv_priv, params);
+	return -1;
+}
+
+
+struct wpa_scan_results * hostapd_driver_get_scan_results(
+	struct hostapd_data *hapd)
+{
+	if (hapd->driver && hapd->driver->get_scan_results2)
+		return hapd->driver->get_scan_results2(hapd->drv_priv);
+	return NULL;
+}
+
+
+int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
+			   int duration)
+{
+	if (hapd->driver && hapd->driver->set_noa)
+		return hapd->driver->set_noa(hapd->drv_priv, count, start,
+					     duration);
+	return -1;
+}
+
+
+int hostapd_drv_set_key(const char *ifname, struct hostapd_data *hapd,
+			enum wpa_alg alg, const u8 *addr,
+			int key_idx, int set_tx,
+			const u8 *seq, size_t seq_len,
+			const u8 *key, size_t key_len)
+{
+	if (hapd->driver == NULL || hapd->driver->set_key == NULL)
+		return 0;
+	return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
+				     key_idx, set_tx, seq, seq_len, key,
+				     key_len);
+}
+
+
+int hostapd_drv_send_mlme(struct hostapd_data *hapd,
+			  const void *msg, size_t len)
+{
+	if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
+		return 0;
+	return hapd->driver->send_mlme(hapd->drv_priv, msg, len);
+}
+
+
+int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
+			   const u8 *addr, int reason)
+{
+	if (hapd->driver == NULL || hapd->driver->sta_deauth == NULL)
+		return 0;
+	return hapd->driver->sta_deauth(hapd->drv_priv, hapd->own_addr, addr,
+					reason);
+}
+
+
+int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
+			     const u8 *addr, int reason)
+{
+	if (hapd->driver == NULL || hapd->driver->sta_disassoc == NULL)
+		return 0;
+	return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr,
+					  reason);
+}
diff --git a/src/ap/ap_drv_ops.h b/src/ap/ap_drv_ops.h
new file mode 100644
index 0000000..36bb826
--- /dev/null
+++ b/src/ap/ap_drv_ops.h
@@ -0,0 +1,197 @@
+/*
+ * hostapd - Driver operations
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef AP_DRV_OPS
+#define AP_DRV_OPS
+
+enum wpa_driver_if_type;
+struct wpa_bss_params;
+struct wpa_driver_scan_params;
+struct ieee80211_ht_capabilities;
+
+u32 hostapd_sta_flags_to_drv(u32 flags);
+int hostapd_set_ap_wps_ie(struct hostapd_data *hapd);
+int hostapd_set_authorized(struct hostapd_data *hapd,
+			   struct sta_info *sta, int authorized);
+int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta);
+int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname,
+			      int enabled);
+int hostapd_set_bss_params(struct hostapd_data *hapd, int use_protection);
+int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname);
+int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname);
+int hostapd_set_wds_sta(struct hostapd_data *hapd, const u8 *addr, int aid,
+			int val);
+int hostapd_sta_add(struct hostapd_data *hapd,
+		    const u8 *addr, u16 aid, u16 capability,
+		    const u8 *supp_rates, size_t supp_rates_len,
+		    u16 listen_interval,
+		    const struct ieee80211_ht_capabilities *ht_capab);
+int hostapd_set_privacy(struct hostapd_data *hapd, int enabled);
+int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
+			     size_t elem_len);
+int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len);
+int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len);
+int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
+		   const char *ifname, const u8 *addr, void *bss_ctx,
+		   void **drv_priv, char *force_ifname, u8 *if_addr,
+		   const char *bridge);
+int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
+		      const char *ifname);
+int hostapd_set_ieee8021x(struct hostapd_data *hapd,
+			  struct wpa_bss_params *params);
+int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
+		       const u8 *addr, int idx, u8 *seq);
+int hostapd_flush(struct hostapd_data *hapd);
+int hostapd_set_freq(struct hostapd_data *hapd, int mode, int freq,
+		     int channel, int ht_enabled, int sec_channel_offset);
+int hostapd_set_rts(struct hostapd_data *hapd, int rts);
+int hostapd_set_frag(struct hostapd_data *hapd, int frag);
+int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
+			  int total_flags, int flags_or, int flags_and);
+int hostapd_set_rate_sets(struct hostapd_data *hapd, int *supp_rates,
+			  int *basic_rates, int mode);
+int hostapd_set_country(struct hostapd_data *hapd, const char *country);
+int hostapd_set_cts_protect(struct hostapd_data *hapd, int value);
+int hostapd_set_preamble(struct hostapd_data *hapd, int value);
+int hostapd_set_short_slot_time(struct hostapd_data *hapd, int value);
+int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
+				int cw_min, int cw_max, int burst_time);
+int hostapd_valid_bss_mask(struct hostapd_data *hapd, const u8 *addr,
+			   const u8 *mask);
+struct hostapd_hw_modes *
+hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
+			    u16 *flags);
+int hostapd_driver_commit(struct hostapd_data *hapd);
+int hostapd_set_ht_params(struct hostapd_data *hapd,
+			  const u8 *ht_capab, size_t ht_capab_len,
+			  const u8 *ht_oper, size_t ht_oper_len);
+int hostapd_drv_none(struct hostapd_data *hapd);
+int hostapd_driver_scan(struct hostapd_data *hapd,
+			struct wpa_driver_scan_params *params);
+struct wpa_scan_results * hostapd_driver_get_scan_results(
+	struct hostapd_data *hapd);
+int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
+			   int duration);
+int hostapd_drv_set_key(const char *ifname,
+			struct hostapd_data *hapd,
+			enum wpa_alg alg, const u8 *addr,
+			int key_idx, int set_tx,
+			const u8 *seq, size_t seq_len,
+			const u8 *key, size_t key_len);
+int hostapd_drv_send_mlme(struct hostapd_data *hapd,
+			  const void *msg, size_t len);
+int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
+			   const u8 *addr, int reason);
+int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
+			     const u8 *addr, int reason);
+
+
+#include "drivers/driver.h"
+
+static inline int hostapd_drv_set_countermeasures(struct hostapd_data *hapd,
+						  int enabled)
+{
+	if (hapd->driver == NULL ||
+	    hapd->driver->hapd_set_countermeasures == NULL)
+		return 0;
+	return hapd->driver->hapd_set_countermeasures(hapd->drv_priv, enabled);
+}
+
+static inline int hostapd_drv_set_sta_vlan(const char *ifname,
+					   struct hostapd_data *hapd,
+					   const u8 *addr, int vlan_id)
+{
+	if (hapd->driver == NULL || hapd->driver->set_sta_vlan == NULL)
+		return 0;
+	return hapd->driver->set_sta_vlan(hapd->drv_priv, addr, ifname,
+					  vlan_id);
+}
+
+static inline int hostapd_drv_get_inact_sec(struct hostapd_data *hapd,
+					    const u8 *addr)
+{
+	if (hapd->driver == NULL || hapd->driver->get_inact_sec == NULL)
+		return 0;
+	return hapd->driver->get_inact_sec(hapd->drv_priv, addr);
+}
+
+static inline int hostapd_drv_sta_remove(struct hostapd_data *hapd,
+					 const u8 *addr)
+{
+	if (hapd->driver == NULL || hapd->driver->sta_remove == NULL)
+		return 0;
+	return hapd->driver->sta_remove(hapd->drv_priv, addr);
+}
+
+static inline int hostapd_drv_hapd_send_eapol(struct hostapd_data *hapd,
+					      const u8 *addr, const u8 *data,
+					      size_t data_len, int encrypt,
+					      u32 flags)
+{
+	if (hapd->driver == NULL || hapd->driver->hapd_send_eapol == NULL)
+		return 0;
+	return hapd->driver->hapd_send_eapol(hapd->drv_priv, addr, data,
+					     data_len, encrypt,
+					     hapd->own_addr, flags);
+}
+
+static inline int hostapd_drv_read_sta_data(
+	struct hostapd_data *hapd, struct hostap_sta_driver_data *data,
+	const u8 *addr)
+{
+	if (hapd->driver == NULL || hapd->driver->read_sta_data == NULL)
+		return -1;
+	return hapd->driver->read_sta_data(hapd->drv_priv, data, addr);
+}
+
+static inline int hostapd_drv_sta_clear_stats(struct hostapd_data *hapd,
+					      const u8 *addr)
+{
+	if (hapd->driver == NULL || hapd->driver->sta_clear_stats == NULL)
+		return 0;
+	return hapd->driver->sta_clear_stats(hapd->drv_priv, addr);
+}
+
+static inline int hostapd_drv_set_beacon(struct hostapd_data *hapd,
+					 const u8 *head, size_t head_len,
+					 const u8 *tail, size_t tail_len,
+					 int dtim_period, int beacon_int)
+{
+	if (hapd->driver == NULL || hapd->driver->set_beacon == NULL)
+		return 0;
+	return hapd->driver->set_beacon(hapd->drv_priv,
+					head, head_len, tail, tail_len,
+					dtim_period, beacon_int);
+}
+
+static inline int hostapd_drv_set_radius_acl_auth(struct hostapd_data *hapd,
+						  const u8 *mac, int accepted,
+						  u32 session_timeout)
+{
+	if (hapd->driver == NULL || hapd->driver->set_radius_acl_auth == NULL)
+		return 0;
+	return hapd->driver->set_radius_acl_auth(hapd->drv_priv, mac, accepted,
+						 session_timeout);
+}
+
+static inline int hostapd_drv_set_radius_acl_expire(struct hostapd_data *hapd,
+						    const u8 *mac)
+{
+	if (hapd->driver == NULL ||
+	    hapd->driver->set_radius_acl_expire == NULL)
+		return 0;
+	return hapd->driver->set_radius_acl_expire(hapd->drv_priv, mac);
+}
+
+#endif /* AP_DRV_OPS */
diff --git a/src/ap/ap_list.c b/src/ap/ap_list.c
new file mode 100644
index 0000000..9b9fc9e
--- /dev/null
+++ b/src/ap/ap_list.c
@@ -0,0 +1,399 @@
+/*
+ * hostapd / AP table
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2004, Instant802 Networks, Inc.
+ * Copyright (c) 2006, Devicescape Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
+#include "drivers/driver.h"
+#include "hostapd.h"
+#include "ap_config.h"
+#include "ieee802_11.h"
+#include "sta_info.h"
+#include "beacon.h"
+#include "ap_list.h"
+
+
+/* AP list is a double linked list with head->prev pointing to the end of the
+ * list and tail->next = NULL. Entries are moved to the head of the list
+ * whenever a beacon has been received from the AP in question. The tail entry
+ * in this link will thus be the least recently used entry. */
+
+
+static int ap_list_beacon_olbc(struct hostapd_iface *iface, struct ap_info *ap)
+{
+	int i;
+
+	if (iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G ||
+	    iface->conf->channel != ap->channel)
+		return 0;
+
+	if (ap->erp != -1 && (ap->erp & ERP_INFO_NON_ERP_PRESENT))
+		return 1;
+
+	for (i = 0; i < WLAN_SUPP_RATES_MAX; i++) {
+		int rate = (ap->supported_rates[i] & 0x7f) * 5;
+		if (rate == 60 || rate == 90 || rate > 110)
+			return 0;
+	}
+
+	return 1;
+}
+
+
+struct ap_info * ap_get_ap(struct hostapd_iface *iface, const u8 *ap)
+{
+	struct ap_info *s;
+
+	s = iface->ap_hash[STA_HASH(ap)];
+	while (s != NULL && os_memcmp(s->addr, ap, ETH_ALEN) != 0)
+		s = s->hnext;
+	return s;
+}
+
+
+static void ap_ap_list_add(struct hostapd_iface *iface, struct ap_info *ap)
+{
+	if (iface->ap_list) {
+		ap->prev = iface->ap_list->prev;
+		iface->ap_list->prev = ap;
+	} else
+		ap->prev = ap;
+	ap->next = iface->ap_list;
+	iface->ap_list = ap;
+}
+
+
+static void ap_ap_list_del(struct hostapd_iface *iface, struct ap_info *ap)
+{
+	if (iface->ap_list == ap)
+		iface->ap_list = ap->next;
+	else
+		ap->prev->next = ap->next;
+
+	if (ap->next)
+		ap->next->prev = ap->prev;
+	else if (iface->ap_list)
+		iface->ap_list->prev = ap->prev;
+}
+
+
+static void ap_ap_iter_list_add(struct hostapd_iface *iface,
+				struct ap_info *ap)
+{
+	if (iface->ap_iter_list) {
+		ap->iter_prev = iface->ap_iter_list->iter_prev;
+		iface->ap_iter_list->iter_prev = ap;
+	} else
+		ap->iter_prev = ap;
+	ap->iter_next = iface->ap_iter_list;
+	iface->ap_iter_list = ap;
+}
+
+
+static void ap_ap_iter_list_del(struct hostapd_iface *iface,
+				struct ap_info *ap)
+{
+	if (iface->ap_iter_list == ap)
+		iface->ap_iter_list = ap->iter_next;
+	else
+		ap->iter_prev->iter_next = ap->iter_next;
+
+	if (ap->iter_next)
+		ap->iter_next->iter_prev = ap->iter_prev;
+	else if (iface->ap_iter_list)
+		iface->ap_iter_list->iter_prev = ap->iter_prev;
+}
+
+
+static void ap_ap_hash_add(struct hostapd_iface *iface, struct ap_info *ap)
+{
+	ap->hnext = iface->ap_hash[STA_HASH(ap->addr)];
+	iface->ap_hash[STA_HASH(ap->addr)] = ap;
+}
+
+
+static void ap_ap_hash_del(struct hostapd_iface *iface, struct ap_info *ap)
+{
+	struct ap_info *s;
+
+	s = iface->ap_hash[STA_HASH(ap->addr)];
+	if (s == NULL) return;
+	if (os_memcmp(s->addr, ap->addr, ETH_ALEN) == 0) {
+		iface->ap_hash[STA_HASH(ap->addr)] = s->hnext;
+		return;
+	}
+
+	while (s->hnext != NULL &&
+	       os_memcmp(s->hnext->addr, ap->addr, ETH_ALEN) != 0)
+		s = s->hnext;
+	if (s->hnext != NULL)
+		s->hnext = s->hnext->hnext;
+	else
+		printf("AP: could not remove AP " MACSTR " from hash table\n",
+		       MAC2STR(ap->addr));
+}
+
+
+static void ap_free_ap(struct hostapd_iface *iface, struct ap_info *ap)
+{
+	ap_ap_hash_del(iface, ap);
+	ap_ap_list_del(iface, ap);
+	ap_ap_iter_list_del(iface, ap);
+
+	iface->num_ap--;
+	os_free(ap);
+}
+
+
+static void hostapd_free_aps(struct hostapd_iface *iface)
+{
+	struct ap_info *ap, *prev;
+
+	ap = iface->ap_list;
+
+	while (ap) {
+		prev = ap;
+		ap = ap->next;
+		ap_free_ap(iface, prev);
+	}
+
+	iface->ap_list = NULL;
+}
+
+
+int ap_ap_for_each(struct hostapd_iface *iface,
+		   int (*func)(struct ap_info *s, void *data), void *data)
+{
+	struct ap_info *s;
+	int ret = 0;
+
+	s = iface->ap_list;
+
+	while (s) {
+		ret = func(s, data);
+		if (ret)
+			break;
+		s = s->next;
+	}
+
+	return ret;
+}
+
+
+static struct ap_info * ap_ap_add(struct hostapd_iface *iface, const u8 *addr)
+{
+	struct ap_info *ap;
+
+	ap = os_zalloc(sizeof(struct ap_info));
+	if (ap == NULL)
+		return NULL;
+
+	/* initialize AP info data */
+	os_memcpy(ap->addr, addr, ETH_ALEN);
+	ap_ap_list_add(iface, ap);
+	iface->num_ap++;
+	ap_ap_hash_add(iface, ap);
+	ap_ap_iter_list_add(iface, ap);
+
+	if (iface->num_ap > iface->conf->ap_table_max_size && ap != ap->prev) {
+		wpa_printf(MSG_DEBUG, "Removing the least recently used AP "
+			   MACSTR " from AP table", MAC2STR(ap->prev->addr));
+		ap_free_ap(iface, ap->prev);
+	}
+
+	return ap;
+}
+
+
+void ap_list_process_beacon(struct hostapd_iface *iface,
+			    const struct ieee80211_mgmt *mgmt,
+			    struct ieee802_11_elems *elems,
+			    struct hostapd_frame_info *fi)
+{
+	struct ap_info *ap;
+	struct os_time now;
+	int new_ap = 0;
+	size_t len;
+	int set_beacon = 0;
+
+	if (iface->conf->ap_table_max_size < 1)
+		return;
+
+	ap = ap_get_ap(iface, mgmt->bssid);
+	if (!ap) {
+		ap = ap_ap_add(iface, mgmt->bssid);
+		if (!ap) {
+			printf("Failed to allocate AP information entry\n");
+			return;
+		}
+		new_ap = 1;
+	}
+
+	ap->beacon_int = le_to_host16(mgmt->u.beacon.beacon_int);
+	ap->capability = le_to_host16(mgmt->u.beacon.capab_info);
+
+	if (elems->ssid) {
+		len = elems->ssid_len;
+		if (len >= sizeof(ap->ssid))
+			len = sizeof(ap->ssid) - 1;
+		os_memcpy(ap->ssid, elems->ssid, len);
+		ap->ssid[len] = '\0';
+		ap->ssid_len = len;
+	}
+
+	os_memset(ap->supported_rates, 0, WLAN_SUPP_RATES_MAX);
+	len = 0;
+	if (elems->supp_rates) {
+		len = elems->supp_rates_len;
+		if (len > WLAN_SUPP_RATES_MAX)
+			len = WLAN_SUPP_RATES_MAX;
+		os_memcpy(ap->supported_rates, elems->supp_rates, len);
+	}
+	if (elems->ext_supp_rates) {
+		int len2;
+		if (len + elems->ext_supp_rates_len > WLAN_SUPP_RATES_MAX)
+			len2 = WLAN_SUPP_RATES_MAX - len;
+		else
+			len2 = elems->ext_supp_rates_len;
+		os_memcpy(ap->supported_rates + len, elems->ext_supp_rates,
+			  len2);
+	}
+
+	ap->wpa = elems->wpa_ie != NULL;
+
+	if (elems->erp_info && elems->erp_info_len == 1)
+		ap->erp = elems->erp_info[0];
+	else
+		ap->erp = -1;
+
+	if (elems->ds_params && elems->ds_params_len == 1)
+		ap->channel = elems->ds_params[0];
+	else if (fi)
+		ap->channel = fi->channel;
+
+	if (elems->ht_capabilities)
+		ap->ht_support = 1;
+	else
+		ap->ht_support = 0;
+
+	ap->num_beacons++;
+	os_get_time(&now);
+	ap->last_beacon = now.sec;
+	if (fi) {
+		ap->ssi_signal = fi->ssi_signal;
+		ap->datarate = fi->datarate;
+	}
+
+	if (!new_ap && ap != iface->ap_list) {
+		/* move AP entry into the beginning of the list so that the
+		 * oldest entry is always in the end of the list */
+		ap_ap_list_del(iface, ap);
+		ap_ap_list_add(iface, ap);
+	}
+
+	if (!iface->olbc &&
+	    ap_list_beacon_olbc(iface, ap)) {
+		iface->olbc = 1;
+		wpa_printf(MSG_DEBUG, "OLBC AP detected: " MACSTR " - enable "
+			   "protection", MAC2STR(ap->addr));
+		set_beacon++;
+	}
+
+#ifdef CONFIG_IEEE80211N
+	if (!iface->olbc_ht && !ap->ht_support) {
+		iface->olbc_ht = 1;
+		hostapd_ht_operation_update(iface);
+		wpa_printf(MSG_DEBUG, "OLBC HT AP detected: " MACSTR
+			   " - enable protection", MAC2STR(ap->addr));
+		set_beacon++;
+	}
+#endif /* CONFIG_IEEE80211N */
+
+	if (set_beacon)
+		ieee802_11_set_beacons(iface);
+}
+
+
+static void ap_list_timer(void *eloop_ctx, void *timeout_ctx)
+{
+	struct hostapd_iface *iface = eloop_ctx;
+	struct os_time now;
+	struct ap_info *ap;
+	int set_beacon = 0;
+
+	eloop_register_timeout(10, 0, ap_list_timer, iface, NULL);
+
+	if (!iface->ap_list)
+		return;
+
+	os_get_time(&now);
+
+	while (iface->ap_list) {
+		ap = iface->ap_list->prev;
+		if (ap->last_beacon + iface->conf->ap_table_expiration_time >=
+		    now.sec)
+			break;
+
+		ap_free_ap(iface, ap);
+	}
+
+	if (iface->olbc || iface->olbc_ht) {
+		int olbc = 0;
+		int olbc_ht = 0;
+
+		ap = iface->ap_list;
+		while (ap && (olbc == 0 || olbc_ht == 0)) {
+			if (ap_list_beacon_olbc(iface, ap))
+				olbc = 1;
+			if (!ap->ht_support)
+				olbc_ht = 1;
+			ap = ap->next;
+		}
+		if (!olbc && iface->olbc) {
+			wpa_printf(MSG_DEBUG, "OLBC not detected anymore");
+			iface->olbc = 0;
+			set_beacon++;
+		}
+#ifdef CONFIG_IEEE80211N
+		if (!olbc_ht && iface->olbc_ht) {
+			wpa_printf(MSG_DEBUG, "OLBC HT not detected anymore");
+			iface->olbc_ht = 0;
+			hostapd_ht_operation_update(iface);
+			set_beacon++;
+		}
+#endif /* CONFIG_IEEE80211N */
+	}
+
+	if (set_beacon)
+		ieee802_11_set_beacons(iface);
+}
+
+
+int ap_list_init(struct hostapd_iface *iface)
+{
+	eloop_register_timeout(10, 0, ap_list_timer, iface, NULL);
+	return 0;
+}
+
+
+void ap_list_deinit(struct hostapd_iface *iface)
+{
+	eloop_cancel_timeout(ap_list_timer, iface, NULL);
+	hostapd_free_aps(iface);
+}
diff --git a/src/ap/ap_list.h b/src/ap/ap_list.h
new file mode 100644
index 0000000..6df8981
--- /dev/null
+++ b/src/ap/ap_list.h
@@ -0,0 +1,78 @@
+/*
+ * hostapd / AP table
+ * Copyright (c) 2002-2003, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2004, Instant802 Networks, Inc.
+ * Copyright (c) 2006, Devicescape Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef AP_LIST_H
+#define AP_LIST_H
+
+struct ap_info {
+	/* Note: next/prev pointers are updated whenever a new beacon is
+	 * received because these are used to find the least recently used
+	 * entries. iter_next/iter_prev are updated only when adding new BSSes
+	 * and when removing old ones. These should be used when iterating
+	 * through the table in a manner that allows beacons to be received
+	 * during the iteration. */
+	struct ap_info *next; /* next entry in AP list */
+	struct ap_info *prev; /* previous entry in AP list */
+	struct ap_info *hnext; /* next entry in hash table list */
+	struct ap_info *iter_next; /* next entry in AP iteration list */
+	struct ap_info *iter_prev; /* previous entry in AP iteration list */
+	u8 addr[6];
+	u16 beacon_int;
+	u16 capability;
+	u8 supported_rates[WLAN_SUPP_RATES_MAX];
+	u8 ssid[33];
+	size_t ssid_len;
+	int wpa;
+	int erp; /* ERP Info or -1 if ERP info element not present */
+
+	int channel;
+	int datarate; /* in 100 kbps */
+	int ssi_signal;
+
+	int ht_support;
+
+	unsigned int num_beacons; /* number of beacon frames received */
+	os_time_t last_beacon;
+
+	int already_seen; /* whether API call AP-NEW has already fetched
+			   * information about this AP */
+};
+
+struct ieee802_11_elems;
+struct hostapd_frame_info;
+
+struct ap_info * ap_get_ap(struct hostapd_iface *iface, const u8 *sta);
+int ap_ap_for_each(struct hostapd_iface *iface,
+		   int (*func)(struct ap_info *s, void *data), void *data);
+void ap_list_process_beacon(struct hostapd_iface *iface,
+			    const struct ieee80211_mgmt *mgmt,
+			    struct ieee802_11_elems *elems,
+			    struct hostapd_frame_info *fi);
+#ifdef NEED_AP_MLME
+int ap_list_init(struct hostapd_iface *iface);
+void ap_list_deinit(struct hostapd_iface *iface);
+#else /* NEED_AP_MLME */
+static inline int ap_list_init(struct hostapd_iface *iface)
+{
+	return 0;
+}
+
+static inline void ap_list_deinit(struct hostapd_iface *iface)
+{
+}
+#endif /* NEED_AP_MLME */
+
+#endif /* AP_LIST_H */
diff --git a/src/ap/ap_mlme.c b/src/ap/ap_mlme.c
new file mode 100644
index 0000000..2b09b11
--- /dev/null
+++ b/src/ap/ap_mlme.c
@@ -0,0 +1,184 @@
+/*
+ * hostapd / IEEE 802.11 MLME
+ * Copyright 2003-2006, Jouni Malinen <j@w1.fi>
+ * Copyright 2003-2004, Instant802 Networks, Inc.
+ * Copyright 2005-2006, Devicescape Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "common/ieee802_11_defs.h"
+#include "ieee802_11.h"
+#include "wpa_auth.h"
+#include "sta_info.h"
+#include "ap_mlme.h"
+
+
+#ifndef CONFIG_NO_HOSTAPD_LOGGER
+static const char * mlme_auth_alg_str(int alg)
+{
+	switch (alg) {
+	case WLAN_AUTH_OPEN:
+		return "OPEN_SYSTEM";
+	case WLAN_AUTH_SHARED_KEY:
+		return "SHARED_KEY";
+	case WLAN_AUTH_FT:
+		return "FT";
+	}
+
+	return "unknown";
+}
+#endif /* CONFIG_NO_HOSTAPD_LOGGER */
+
+
+/**
+ * mlme_authenticate_indication - Report the establishment of an authentication
+ * relationship with a specific peer MAC entity
+ * @hapd: BSS data
+ * @sta: peer STA data
+ *
+ * MLME calls this function as a result of the establishment of an
+ * authentication relationship with a specific peer MAC entity that
+ * resulted from an authentication procedure that was initiated by
+ * that specific peer MAC entity.
+ *
+ * PeerSTAAddress = sta->addr
+ * AuthenticationType = sta->auth_alg (WLAN_AUTH_OPEN / WLAN_AUTH_SHARED_KEY)
+ */
+void mlme_authenticate_indication(struct hostapd_data *hapd,
+				  struct sta_info *sta)
+{
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
+		       HOSTAPD_LEVEL_DEBUG,
+		       "MLME-AUTHENTICATE.indication(" MACSTR ", %s)",
+		       MAC2STR(sta->addr), mlme_auth_alg_str(sta->auth_alg));
+	if (sta->auth_alg != WLAN_AUTH_FT && !(sta->flags & WLAN_STA_MFP))
+		mlme_deletekeys_request(hapd, sta);
+}
+
+
+/**
+ * mlme_deauthenticate_indication - Report the invalidation of an
+ * authentication relationship with a specific peer MAC entity
+ * @hapd: BSS data
+ * @sta: Peer STA data
+ * @reason_code: ReasonCode from Deauthentication frame
+ *
+ * MLME calls this function as a result of the invalidation of an
+ * authentication relationship with a specific peer MAC entity.
+ *
+ * PeerSTAAddress = sta->addr
+ */
+void mlme_deauthenticate_indication(struct hostapd_data *hapd,
+				    struct sta_info *sta, u16 reason_code)
+{
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
+		       HOSTAPD_LEVEL_DEBUG,
+		       "MLME-DEAUTHENTICATE.indication(" MACSTR ", %d)",
+		       MAC2STR(sta->addr), reason_code);
+	mlme_deletekeys_request(hapd, sta);
+}
+
+
+/**
+ * mlme_associate_indication - Report the establishment of an association with
+ * a specific peer MAC entity
+ * @hapd: BSS data
+ * @sta: peer STA data
+ *
+ * MLME calls this function as a result of the establishment of an
+ * association with a specific peer MAC entity that resulted from an
+ * association procedure that was initiated by that specific peer MAC entity.
+ *
+ * PeerSTAAddress = sta->addr
+ */
+void mlme_associate_indication(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
+		       HOSTAPD_LEVEL_DEBUG,
+		       "MLME-ASSOCIATE.indication(" MACSTR ")",
+		       MAC2STR(sta->addr));
+	if (sta->auth_alg != WLAN_AUTH_FT)
+		mlme_deletekeys_request(hapd, sta);
+}
+
+
+/**
+ * mlme_reassociate_indication - Report the establishment of an reassociation
+ * with a specific peer MAC entity
+ * @hapd: BSS data
+ * @sta: peer STA data
+ *
+ * MLME calls this function as a result of the establishment of an
+ * reassociation with a specific peer MAC entity that resulted from a
+ * reassociation procedure that was initiated by that specific peer MAC entity.
+ *
+ * PeerSTAAddress = sta->addr
+ *
+ * sta->previous_ap contains the "Current AP" information from ReassocReq.
+ */
+void mlme_reassociate_indication(struct hostapd_data *hapd,
+				 struct sta_info *sta)
+{
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
+		       HOSTAPD_LEVEL_DEBUG,
+		       "MLME-REASSOCIATE.indication(" MACSTR ")",
+		       MAC2STR(sta->addr));
+	if (sta->auth_alg != WLAN_AUTH_FT)
+		mlme_deletekeys_request(hapd, sta);
+}
+
+
+/**
+ * mlme_disassociate_indication - Report disassociation with a specific peer
+ * MAC entity
+ * @hapd: BSS data
+ * @sta: Peer STA data
+ * @reason_code: ReasonCode from Disassociation frame
+ *
+ * MLME calls this function as a result of the invalidation of an association
+ * relationship with a specific peer MAC entity.
+ *
+ * PeerSTAAddress = sta->addr
+ */
+void mlme_disassociate_indication(struct hostapd_data *hapd,
+				  struct sta_info *sta, u16 reason_code)
+{
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
+		       HOSTAPD_LEVEL_DEBUG,
+		       "MLME-DISASSOCIATE.indication(" MACSTR ", %d)",
+		       MAC2STR(sta->addr), reason_code);
+	mlme_deletekeys_request(hapd, sta);
+}
+
+
+void mlme_michaelmicfailure_indication(struct hostapd_data *hapd,
+				       const u8 *addr)
+{
+	hostapd_logger(hapd, addr, HOSTAPD_MODULE_MLME,
+		       HOSTAPD_LEVEL_DEBUG,
+		       "MLME-MichaelMICFailure.indication(" MACSTR ")",
+		       MAC2STR(addr));
+}
+
+
+void mlme_deletekeys_request(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
+		       HOSTAPD_LEVEL_DEBUG,
+		       "MLME-DELETEKEYS.request(" MACSTR ")",
+		       MAC2STR(sta->addr));
+
+	if (sta->wpa_sm)
+		wpa_remove_ptk(sta->wpa_sm);
+}
diff --git a/src/ap/ap_mlme.h b/src/ap/ap_mlme.h
new file mode 100644
index 0000000..c77a939
--- /dev/null
+++ b/src/ap/ap_mlme.h
@@ -0,0 +1,40 @@
+/*
+ * hostapd / IEEE 802.11 MLME
+ * Copyright 2003, Jouni Malinen <j@w1.fi>
+ * Copyright 2003-2004, Instant802 Networks, Inc.
+ * Copyright 2005-2006, Devicescape Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef MLME_H
+#define MLME_H
+
+void mlme_authenticate_indication(struct hostapd_data *hapd,
+				  struct sta_info *sta);
+
+void mlme_deauthenticate_indication(struct hostapd_data *hapd,
+				    struct sta_info *sta, u16 reason_code);
+
+void mlme_associate_indication(struct hostapd_data *hapd,
+			       struct sta_info *sta);
+
+void mlme_reassociate_indication(struct hostapd_data *hapd,
+				 struct sta_info *sta);
+
+void mlme_disassociate_indication(struct hostapd_data *hapd,
+				  struct sta_info *sta, u16 reason_code);
+
+void mlme_michaelmicfailure_indication(struct hostapd_data *hapd,
+				       const u8 *addr);
+
+void mlme_deletekeys_request(struct hostapd_data *hapd, struct sta_info *sta);
+
+#endif /* MLME_H */
diff --git a/src/ap/authsrv.c b/src/ap/authsrv.c
new file mode 100644
index 0000000..7c87fde
--- /dev/null
+++ b/src/ap/authsrv.c
@@ -0,0 +1,217 @@
+/*
+ * Authentication server setup
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "crypto/tls.h"
+#include "eap_server/eap.h"
+#include "eap_server/eap_sim_db.h"
+#include "eapol_auth/eapol_auth_sm.h"
+#include "radius/radius_server.h"
+#include "hostapd.h"
+#include "ap_config.h"
+#include "sta_info.h"
+#include "authsrv.h"
+
+
+#if defined(EAP_SERVER_SIM) || defined(EAP_SERVER_AKA)
+#define EAP_SIM_DB
+#endif /* EAP_SERVER_SIM || EAP_SERVER_AKA */
+
+
+#ifdef EAP_SIM_DB
+static int hostapd_sim_db_cb_sta(struct hostapd_data *hapd,
+				 struct sta_info *sta, void *ctx)
+{
+	if (eapol_auth_eap_pending_cb(sta->eapol_sm, ctx) == 0)
+		return 1;
+	return 0;
+}
+
+
+static void hostapd_sim_db_cb(void *ctx, void *session_ctx)
+{
+	struct hostapd_data *hapd = ctx;
+	if (ap_for_each_sta(hapd, hostapd_sim_db_cb_sta, session_ctx) == 0) {
+#ifdef RADIUS_SERVER
+		radius_server_eap_pending_cb(hapd->radius_srv, session_ctx);
+#endif /* RADIUS_SERVER */
+	}
+}
+#endif /* EAP_SIM_DB */
+
+
+#ifdef RADIUS_SERVER
+
+static int hostapd_radius_get_eap_user(void *ctx, const u8 *identity,
+				       size_t identity_len, int phase2,
+				       struct eap_user *user)
+{
+	const struct hostapd_eap_user *eap_user;
+	int i, count;
+
+	eap_user = hostapd_get_eap_user(ctx, identity, identity_len, phase2);
+	if (eap_user == NULL)
+		return -1;
+
+	if (user == NULL)
+		return 0;
+
+	os_memset(user, 0, sizeof(*user));
+	count = EAP_USER_MAX_METHODS;
+	if (count > EAP_MAX_METHODS)
+		count = EAP_MAX_METHODS;
+	for (i = 0; i < count; i++) {
+		user->methods[i].vendor = eap_user->methods[i].vendor;
+		user->methods[i].method = eap_user->methods[i].method;
+	}
+
+	if (eap_user->password) {
+		user->password = os_malloc(eap_user->password_len);
+		if (user->password == NULL)
+			return -1;
+		os_memcpy(user->password, eap_user->password,
+			  eap_user->password_len);
+		user->password_len = eap_user->password_len;
+		user->password_hash = eap_user->password_hash;
+	}
+	user->force_version = eap_user->force_version;
+	user->ttls_auth = eap_user->ttls_auth;
+
+	return 0;
+}
+
+
+static int hostapd_setup_radius_srv(struct hostapd_data *hapd)
+{
+	struct radius_server_conf srv;
+	struct hostapd_bss_config *conf = hapd->conf;
+	os_memset(&srv, 0, sizeof(srv));
+	srv.client_file = conf->radius_server_clients;
+	srv.auth_port = conf->radius_server_auth_port;
+	srv.conf_ctx = conf;
+	srv.eap_sim_db_priv = hapd->eap_sim_db_priv;
+	srv.ssl_ctx = hapd->ssl_ctx;
+	srv.msg_ctx = hapd->msg_ctx;
+	srv.pac_opaque_encr_key = conf->pac_opaque_encr_key;
+	srv.eap_fast_a_id = conf->eap_fast_a_id;
+	srv.eap_fast_a_id_len = conf->eap_fast_a_id_len;
+	srv.eap_fast_a_id_info = conf->eap_fast_a_id_info;
+	srv.eap_fast_prov = conf->eap_fast_prov;
+	srv.pac_key_lifetime = conf->pac_key_lifetime;
+	srv.pac_key_refresh_time = conf->pac_key_refresh_time;
+	srv.eap_sim_aka_result_ind = conf->eap_sim_aka_result_ind;
+	srv.tnc = conf->tnc;
+	srv.wps = hapd->wps;
+	srv.ipv6 = conf->radius_server_ipv6;
+	srv.get_eap_user = hostapd_radius_get_eap_user;
+	srv.eap_req_id_text = conf->eap_req_id_text;
+	srv.eap_req_id_text_len = conf->eap_req_id_text_len;
+	srv.pwd_group = conf->pwd_group;
+
+	hapd->radius_srv = radius_server_init(&srv);
+	if (hapd->radius_srv == NULL) {
+		wpa_printf(MSG_ERROR, "RADIUS server initialization failed.");
+		return -1;
+	}
+
+	return 0;
+}
+
+#endif /* RADIUS_SERVER */
+
+
+int authsrv_init(struct hostapd_data *hapd)
+{
+#ifdef EAP_TLS_FUNCS
+	if (hapd->conf->eap_server &&
+	    (hapd->conf->ca_cert || hapd->conf->server_cert ||
+	     hapd->conf->dh_file)) {
+		struct tls_connection_params params;
+
+		hapd->ssl_ctx = tls_init(NULL);
+		if (hapd->ssl_ctx == NULL) {
+			wpa_printf(MSG_ERROR, "Failed to initialize TLS");
+			authsrv_deinit(hapd);
+			return -1;
+		}
+
+		os_memset(&params, 0, sizeof(params));
+		params.ca_cert = hapd->conf->ca_cert;
+		params.client_cert = hapd->conf->server_cert;
+		params.private_key = hapd->conf->private_key;
+		params.private_key_passwd = hapd->conf->private_key_passwd;
+		params.dh_file = hapd->conf->dh_file;
+
+		if (tls_global_set_params(hapd->ssl_ctx, &params)) {
+			wpa_printf(MSG_ERROR, "Failed to set TLS parameters");
+			authsrv_deinit(hapd);
+			return -1;
+		}
+
+		if (tls_global_set_verify(hapd->ssl_ctx,
+					  hapd->conf->check_crl)) {
+			wpa_printf(MSG_ERROR, "Failed to enable check_crl");
+			authsrv_deinit(hapd);
+			return -1;
+		}
+	}
+#endif /* EAP_TLS_FUNCS */
+
+#ifdef EAP_SIM_DB
+	if (hapd->conf->eap_sim_db) {
+		hapd->eap_sim_db_priv =
+			eap_sim_db_init(hapd->conf->eap_sim_db,
+					hostapd_sim_db_cb, hapd);
+		if (hapd->eap_sim_db_priv == NULL) {
+			wpa_printf(MSG_ERROR, "Failed to initialize EAP-SIM "
+				   "database interface");
+			authsrv_deinit(hapd);
+			return -1;
+		}
+	}
+#endif /* EAP_SIM_DB */
+
+#ifdef RADIUS_SERVER
+	if (hapd->conf->radius_server_clients &&
+	    hostapd_setup_radius_srv(hapd))
+		return -1;
+#endif /* RADIUS_SERVER */
+
+	return 0;
+}
+
+
+void authsrv_deinit(struct hostapd_data *hapd)
+{
+#ifdef RADIUS_SERVER
+	radius_server_deinit(hapd->radius_srv);
+	hapd->radius_srv = NULL;
+#endif /* RADIUS_SERVER */
+
+#ifdef EAP_TLS_FUNCS
+	if (hapd->ssl_ctx) {
+		tls_deinit(hapd->ssl_ctx);
+		hapd->ssl_ctx = NULL;
+	}
+#endif /* EAP_TLS_FUNCS */
+
+#ifdef EAP_SIM_DB
+	if (hapd->eap_sim_db_priv) {
+		eap_sim_db_deinit(hapd->eap_sim_db_priv);
+		hapd->eap_sim_db_priv = NULL;
+	}
+#endif /* EAP_SIM_DB */
+}
diff --git a/src/ap/authsrv.h b/src/ap/authsrv.h
new file mode 100644
index 0000000..be3051e
--- /dev/null
+++ b/src/ap/authsrv.h
@@ -0,0 +1,21 @@
+/*
+ * Authentication server setup
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef AUTHSRV_H
+#define AUTHSRV_H
+
+int authsrv_init(struct hostapd_data *hapd);
+void authsrv_deinit(struct hostapd_data *hapd);
+
+#endif /* AUTHSRV_H */
diff --git a/src/ap/beacon.c b/src/ap/beacon.c
new file mode 100644
index 0000000..5544925
--- /dev/null
+++ b/src/ap/beacon.c
@@ -0,0 +1,535 @@
+/*
+ * hostapd / IEEE 802.11 Management: Beacon and Probe Request/Response
+ * Copyright (c) 2002-2004, Instant802 Networks, Inc.
+ * Copyright (c) 2005-2006, Devicescape Software, Inc.
+ * Copyright (c) 2008-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#ifndef CONFIG_NATIVE_WINDOWS
+
+#include "utils/common.h"
+#include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
+#include "drivers/driver.h"
+#include "wps/wps_defs.h"
+#include "p2p/p2p.h"
+#include "hostapd.h"
+#include "ieee802_11.h"
+#include "wpa_auth.h"
+#include "wmm.h"
+#include "ap_config.h"
+#include "sta_info.h"
+#include "p2p_hostapd.h"
+#include "ap_drv_ops.h"
+#include "beacon.h"
+
+
+static u8 ieee802_11_erp_info(struct hostapd_data *hapd)
+{
+	u8 erp = 0;
+
+	if (hapd->iface->current_mode == NULL ||
+	    hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G)
+		return 0;
+
+	switch (hapd->iconf->cts_protection_type) {
+	case CTS_PROTECTION_FORCE_ENABLED:
+		erp |= ERP_INFO_NON_ERP_PRESENT | ERP_INFO_USE_PROTECTION;
+		break;
+	case CTS_PROTECTION_FORCE_DISABLED:
+		erp = 0;
+		break;
+	case CTS_PROTECTION_AUTOMATIC:
+		if (hapd->iface->olbc)
+			erp |= ERP_INFO_USE_PROTECTION;
+		/* continue */
+	case CTS_PROTECTION_AUTOMATIC_NO_OLBC:
+		if (hapd->iface->num_sta_non_erp > 0) {
+			erp |= ERP_INFO_NON_ERP_PRESENT |
+				ERP_INFO_USE_PROTECTION;
+		}
+		break;
+	}
+	if (hapd->iface->num_sta_no_short_preamble > 0 ||
+	    hapd->iconf->preamble == LONG_PREAMBLE)
+		erp |= ERP_INFO_BARKER_PREAMBLE_MODE;
+
+	return erp;
+}
+
+
+static u8 * hostapd_eid_ds_params(struct hostapd_data *hapd, u8 *eid)
+{
+	*eid++ = WLAN_EID_DS_PARAMS;
+	*eid++ = 1;
+	*eid++ = hapd->iconf->channel;
+	return eid;
+}
+
+
+static u8 * hostapd_eid_erp_info(struct hostapd_data *hapd, u8 *eid)
+{
+	if (hapd->iface->current_mode == NULL ||
+	    hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G)
+		return eid;
+
+	/* Set NonERP_present and use_protection bits if there
+	 * are any associated NonERP stations. */
+	/* TODO: use_protection bit can be set to zero even if
+	 * there are NonERP stations present. This optimization
+	 * might be useful if NonERP stations are "quiet".
+	 * See 802.11g/D6 E-1 for recommended practice.
+	 * In addition, Non ERP present might be set, if AP detects Non ERP
+	 * operation on other APs. */
+
+	/* Add ERP Information element */
+	*eid++ = WLAN_EID_ERP_INFO;
+	*eid++ = 1;
+	*eid++ = ieee802_11_erp_info(hapd);
+
+	return eid;
+}
+
+
+static u8 * hostapd_eid_country_add(u8 *pos, u8 *end, int chan_spacing,
+				    struct hostapd_channel_data *start,
+				    struct hostapd_channel_data *prev)
+{
+	if (end - pos < 3)
+		return pos;
+
+	/* first channel number */
+	*pos++ = start->chan;
+	/* number of channels */
+	*pos++ = (prev->chan - start->chan) / chan_spacing + 1;
+	/* maximum transmit power level */
+	*pos++ = start->max_tx_power;
+
+	return pos;
+}
+
+
+static u8 * hostapd_eid_country(struct hostapd_data *hapd, u8 *eid,
+				int max_len)
+{
+	u8 *pos = eid;
+	u8 *end = eid + max_len;
+	int i;
+	struct hostapd_hw_modes *mode;
+	struct hostapd_channel_data *start, *prev;
+	int chan_spacing = 1;
+
+	if (!hapd->iconf->ieee80211d || max_len < 6 ||
+	    hapd->iface->current_mode == NULL)
+		return eid;
+
+	*pos++ = WLAN_EID_COUNTRY;
+	pos++; /* length will be set later */
+	os_memcpy(pos, hapd->iconf->country, 3); /* e.g., 'US ' */
+	pos += 3;
+
+	mode = hapd->iface->current_mode;
+	if (mode->mode == HOSTAPD_MODE_IEEE80211A)
+		chan_spacing = 4;
+
+	start = prev = NULL;
+	for (i = 0; i < mode->num_channels; i++) {
+		struct hostapd_channel_data *chan = &mode->channels[i];
+		if (chan->flag & HOSTAPD_CHAN_DISABLED)
+			continue;
+		if (start && prev &&
+		    prev->chan + chan_spacing == chan->chan &&
+		    start->max_tx_power == chan->max_tx_power) {
+			prev = chan;
+			continue; /* can use same entry */
+		}
+
+		if (start) {
+			pos = hostapd_eid_country_add(pos, end, chan_spacing,
+						      start, prev);
+			start = NULL;
+		}
+
+		/* Start new group */
+		start = prev = chan;
+	}
+
+	if (start) {
+		pos = hostapd_eid_country_add(pos, end, chan_spacing,
+					      start, prev);
+	}
+
+	if ((pos - eid) & 1) {
+		if (end - pos < 1)
+			return eid;
+		*pos++ = 0; /* pad for 16-bit alignment */
+	}
+
+	eid[1] = (pos - eid) - 2;
+
+	return pos;
+}
+
+
+static u8 * hostapd_eid_wpa(struct hostapd_data *hapd, u8 *eid, size_t len,
+			    struct sta_info *sta)
+{
+	const u8 *ie;
+	size_t ielen;
+
+	ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &ielen);
+	if (ie == NULL || ielen > len)
+		return eid;
+
+	os_memcpy(eid, ie, ielen);
+	return eid + ielen;
+}
+
+
+void handle_probe_req(struct hostapd_data *hapd,
+		      const struct ieee80211_mgmt *mgmt, size_t len)
+{
+	struct ieee80211_mgmt *resp;
+	struct ieee802_11_elems elems;
+	char *ssid;
+	u8 *pos, *epos;
+	const u8 *ie;
+	size_t ssid_len, ie_len;
+	struct sta_info *sta = NULL;
+	size_t buflen;
+	size_t i;
+
+	ie = mgmt->u.probe_req.variable;
+	if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req))
+		return;
+	ie_len = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req));
+
+	for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++)
+		if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
+					    mgmt->sa, ie, ie_len) > 0)
+			return;
+
+	if (!hapd->iconf->send_probe_response)
+		return;
+
+	if (ieee802_11_parse_elems(ie, ie_len, &elems, 0) == ParseFailed) {
+		wpa_printf(MSG_DEBUG, "Could not parse ProbeReq from " MACSTR,
+			   MAC2STR(mgmt->sa));
+		return;
+	}
+
+	ssid = NULL;
+	ssid_len = 0;
+
+	if ((!elems.ssid || !elems.supp_rates)) {
+		wpa_printf(MSG_DEBUG, "STA " MACSTR " sent probe request "
+			   "without SSID or supported rates element",
+			   MAC2STR(mgmt->sa));
+		return;
+	}
+
+#ifdef CONFIG_P2P
+	if (hapd->p2p && elems.wps_ie) {
+		struct wpabuf *wps;
+		wps = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA);
+		if (wps && !p2p_group_match_dev_type(hapd->p2p_group, wps)) {
+			wpa_printf(MSG_MSGDUMP, "P2P: Ignore Probe Request "
+				   "due to mismatch with Requested Device "
+				   "Type");
+			wpabuf_free(wps);
+			return;
+		}
+		wpabuf_free(wps);
+	}
+#endif /* CONFIG_P2P */
+
+	if (hapd->conf->ignore_broadcast_ssid && elems.ssid_len == 0) {
+		wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR " for "
+			   "broadcast SSID ignored", MAC2STR(mgmt->sa));
+		return;
+	}
+
+	sta = ap_get_sta(hapd, mgmt->sa);
+
+#ifdef CONFIG_P2P
+	if ((hapd->conf->p2p & P2P_GROUP_OWNER) &&
+	    elems.ssid_len == P2P_WILDCARD_SSID_LEN &&
+	    os_memcmp(elems.ssid, P2P_WILDCARD_SSID,
+		      P2P_WILDCARD_SSID_LEN) == 0) {
+		/* Process P2P Wildcard SSID like Wildcard SSID */
+		elems.ssid_len = 0;
+	}
+#endif /* CONFIG_P2P */
+
+	if (elems.ssid_len == 0 ||
+	    (elems.ssid_len == hapd->conf->ssid.ssid_len &&
+	     os_memcmp(elems.ssid, hapd->conf->ssid.ssid, elems.ssid_len) ==
+	     0)) {
+		ssid = hapd->conf->ssid.ssid;
+		ssid_len = hapd->conf->ssid.ssid_len;
+		if (sta)
+			sta->ssid_probe = &hapd->conf->ssid;
+	}
+
+	if (!ssid) {
+		if (!(mgmt->da[0] & 0x01)) {
+			char ssid_txt[33];
+			ieee802_11_print_ssid(ssid_txt, elems.ssid,
+					      elems.ssid_len);
+			wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR
+				   " for foreign SSID '%s' (DA " MACSTR ")",
+				   MAC2STR(mgmt->sa), ssid_txt,
+				   MAC2STR(mgmt->da));
+		}
+		return;
+	}
+
+	/* TODO: verify that supp_rates contains at least one matching rate
+	 * with AP configuration */
+#define MAX_PROBERESP_LEN 768
+	buflen = MAX_PROBERESP_LEN;
+#ifdef CONFIG_WPS
+	if (hapd->wps_probe_resp_ie)
+		buflen += wpabuf_len(hapd->wps_probe_resp_ie);
+#endif /* CONFIG_WPS */
+#ifdef CONFIG_P2P
+	if (hapd->p2p_probe_resp_ie)
+		buflen += wpabuf_len(hapd->p2p_probe_resp_ie);
+#endif /* CONFIG_P2P */
+	resp = os_zalloc(buflen);
+	if (resp == NULL)
+		return;
+	epos = ((u8 *) resp) + MAX_PROBERESP_LEN;
+
+	resp->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
+					   WLAN_FC_STYPE_PROBE_RESP);
+	os_memcpy(resp->da, mgmt->sa, ETH_ALEN);
+	os_memcpy(resp->sa, hapd->own_addr, ETH_ALEN);
+
+	os_memcpy(resp->bssid, hapd->own_addr, ETH_ALEN);
+	resp->u.probe_resp.beacon_int =
+		host_to_le16(hapd->iconf->beacon_int);
+
+	/* hardware or low-level driver will setup seq_ctrl and timestamp */
+	resp->u.probe_resp.capab_info =
+		host_to_le16(hostapd_own_capab_info(hapd, sta, 1));
+
+	pos = resp->u.probe_resp.variable;
+	*pos++ = WLAN_EID_SSID;
+	*pos++ = ssid_len;
+	os_memcpy(pos, ssid, ssid_len);
+	pos += ssid_len;
+
+	/* Supported rates */
+	pos = hostapd_eid_supp_rates(hapd, pos);
+
+	/* DS Params */
+	pos = hostapd_eid_ds_params(hapd, pos);
+
+	pos = hostapd_eid_country(hapd, pos, epos - pos);
+
+	/* ERP Information element */
+	pos = hostapd_eid_erp_info(hapd, pos);
+
+	/* Extended supported rates */
+	pos = hostapd_eid_ext_supp_rates(hapd, pos);
+
+	/* RSN, MDIE, WPA */
+	pos = hostapd_eid_wpa(hapd, pos, epos - pos, sta);
+
+#ifdef CONFIG_IEEE80211N
+	pos = hostapd_eid_ht_capabilities(hapd, pos);
+	pos = hostapd_eid_ht_operation(hapd, pos);
+#endif /* CONFIG_IEEE80211N */
+
+	pos = hostapd_eid_ext_capab(hapd, pos);
+
+	/* Wi-Fi Alliance WMM */
+	pos = hostapd_eid_wmm(hapd, pos);
+
+#ifdef CONFIG_WPS
+	if (hapd->conf->wps_state && hapd->wps_probe_resp_ie) {
+		os_memcpy(pos, wpabuf_head(hapd->wps_probe_resp_ie),
+			  wpabuf_len(hapd->wps_probe_resp_ie));
+		pos += wpabuf_len(hapd->wps_probe_resp_ie);
+	}
+#endif /* CONFIG_WPS */
+
+#ifdef CONFIG_P2P
+	if ((hapd->conf->p2p & P2P_ENABLED) && elems.p2p &&
+	    hapd->p2p_probe_resp_ie) {
+		os_memcpy(pos, wpabuf_head(hapd->p2p_probe_resp_ie),
+			  wpabuf_len(hapd->p2p_probe_resp_ie));
+		pos += wpabuf_len(hapd->p2p_probe_resp_ie);
+	}
+#endif /* CONFIG_P2P */
+#ifdef CONFIG_P2P_MANAGER
+	if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) ==
+	    P2P_MANAGE)
+		pos = hostapd_eid_p2p_manage(hapd, pos);
+#endif /* CONFIG_P2P_MANAGER */
+
+	if (hostapd_drv_send_mlme(hapd, resp, pos - (u8 *) resp) < 0)
+		perror("handle_probe_req: send");
+
+	os_free(resp);
+
+	wpa_printf(MSG_EXCESSIVE, "STA " MACSTR " sent probe request for %s "
+		   "SSID", MAC2STR(mgmt->sa),
+		   elems.ssid_len == 0 ? "broadcast" : "our");
+}
+
+
+void ieee802_11_set_beacon(struct hostapd_data *hapd)
+{
+	struct ieee80211_mgmt *head;
+	u8 *pos, *tail, *tailpos;
+	u16 capab_info;
+	size_t head_len, tail_len;
+
+#ifdef CONFIG_P2P
+	if ((hapd->conf->p2p & (P2P_ENABLED | P2P_GROUP_OWNER)) == P2P_ENABLED)
+		goto no_beacon;
+#endif /* CONFIG_P2P */
+
+#define BEACON_HEAD_BUF_SIZE 256
+#define BEACON_TAIL_BUF_SIZE 512
+	head = os_zalloc(BEACON_HEAD_BUF_SIZE);
+	tail_len = BEACON_TAIL_BUF_SIZE;
+#ifdef CONFIG_WPS
+	if (hapd->conf->wps_state && hapd->wps_beacon_ie)
+		tail_len += wpabuf_len(hapd->wps_beacon_ie);
+#endif /* CONFIG_WPS */
+#ifdef CONFIG_P2P
+	if (hapd->p2p_beacon_ie)
+		tail_len += wpabuf_len(hapd->p2p_beacon_ie);
+#endif /* CONFIG_P2P */
+	tailpos = tail = os_malloc(tail_len);
+	if (head == NULL || tail == NULL) {
+		wpa_printf(MSG_ERROR, "Failed to set beacon data");
+		os_free(head);
+		os_free(tail);
+		return;
+	}
+
+	head->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
+					   WLAN_FC_STYPE_BEACON);
+	head->duration = host_to_le16(0);
+	os_memset(head->da, 0xff, ETH_ALEN);
+
+	os_memcpy(head->sa, hapd->own_addr, ETH_ALEN);
+	os_memcpy(head->bssid, hapd->own_addr, ETH_ALEN);
+	head->u.beacon.beacon_int =
+		host_to_le16(hapd->iconf->beacon_int);
+
+	/* hardware or low-level driver will setup seq_ctrl and timestamp */
+	capab_info = hostapd_own_capab_info(hapd, NULL, 0);
+	head->u.beacon.capab_info = host_to_le16(capab_info);
+	pos = &head->u.beacon.variable[0];
+
+	/* SSID */
+	*pos++ = WLAN_EID_SSID;
+	if (hapd->conf->ignore_broadcast_ssid == 2) {
+		/* clear the data, but keep the correct length of the SSID */
+		*pos++ = hapd->conf->ssid.ssid_len;
+		os_memset(pos, 0, hapd->conf->ssid.ssid_len);
+		pos += hapd->conf->ssid.ssid_len;
+	} else if (hapd->conf->ignore_broadcast_ssid) {
+		*pos++ = 0; /* empty SSID */
+	} else {
+		*pos++ = hapd->conf->ssid.ssid_len;
+		os_memcpy(pos, hapd->conf->ssid.ssid,
+			  hapd->conf->ssid.ssid_len);
+		pos += hapd->conf->ssid.ssid_len;
+	}
+
+	/* Supported rates */
+	pos = hostapd_eid_supp_rates(hapd, pos);
+
+	/* DS Params */
+	pos = hostapd_eid_ds_params(hapd, pos);
+
+	head_len = pos - (u8 *) head;
+
+	tailpos = hostapd_eid_country(hapd, tailpos,
+				      tail + BEACON_TAIL_BUF_SIZE - tailpos);
+
+	/* ERP Information element */
+	tailpos = hostapd_eid_erp_info(hapd, tailpos);
+
+	/* Extended supported rates */
+	tailpos = hostapd_eid_ext_supp_rates(hapd, tailpos);
+
+	/* RSN, MDIE, WPA */
+	tailpos = hostapd_eid_wpa(hapd, tailpos, tail + BEACON_TAIL_BUF_SIZE -
+				  tailpos, NULL);
+
+#ifdef CONFIG_IEEE80211N
+	tailpos = hostapd_eid_ht_capabilities(hapd, tailpos);
+	tailpos = hostapd_eid_ht_operation(hapd, tailpos);
+#endif /* CONFIG_IEEE80211N */
+
+	tailpos = hostapd_eid_ext_capab(hapd, tailpos);
+
+	/* Wi-Fi Alliance WMM */
+	tailpos = hostapd_eid_wmm(hapd, tailpos);
+
+#ifdef CONFIG_WPS
+	if (hapd->conf->wps_state && hapd->wps_beacon_ie) {
+		os_memcpy(tailpos, wpabuf_head(hapd->wps_beacon_ie),
+			  wpabuf_len(hapd->wps_beacon_ie));
+		tailpos += wpabuf_len(hapd->wps_beacon_ie);
+	}
+#endif /* CONFIG_WPS */
+
+#ifdef CONFIG_P2P
+	if ((hapd->conf->p2p & P2P_ENABLED) && hapd->p2p_beacon_ie) {
+		os_memcpy(tailpos, wpabuf_head(hapd->p2p_beacon_ie),
+			  wpabuf_len(hapd->p2p_beacon_ie));
+		tailpos += wpabuf_len(hapd->p2p_beacon_ie);
+	}
+#endif /* CONFIG_P2P */
+#ifdef CONFIG_P2P_MANAGER
+	if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) ==
+	    P2P_MANAGE)
+		tailpos = hostapd_eid_p2p_manage(hapd, tailpos);
+#endif /* CONFIG_P2P_MANAGER */
+
+	tail_len = tailpos > tail ? tailpos - tail : 0;
+
+	if (hostapd_drv_set_beacon(hapd, (u8 *) head, head_len,
+				   tail, tail_len, hapd->conf->dtim_period,
+				   hapd->iconf->beacon_int))
+		wpa_printf(MSG_ERROR, "Failed to set beacon head/tail or DTIM "
+			   "period");
+
+	os_free(tail);
+	os_free(head);
+
+#ifdef CONFIG_P2P
+no_beacon:
+#endif /* CONFIG_P2P */
+	hostapd_set_bss_params(hapd, !!(ieee802_11_erp_info(hapd) &
+					ERP_INFO_USE_PROTECTION));
+}
+
+
+void ieee802_11_set_beacons(struct hostapd_iface *iface)
+{
+	size_t i;
+	for (i = 0; i < iface->num_bss; i++)
+		ieee802_11_set_beacon(iface->bss[i]);
+}
+
+#endif /* CONFIG_NATIVE_WINDOWS */
diff --git a/src/ap/beacon.h b/src/ap/beacon.h
new file mode 100644
index 0000000..c1510e1
--- /dev/null
+++ b/src/ap/beacon.h
@@ -0,0 +1,36 @@
+/*
+ * hostapd / IEEE 802.11 Management: Beacon and Probe Request/Response
+ * Copyright (c) 2002-2004, Instant802 Networks, Inc.
+ * Copyright (c) 2005-2006, Devicescape Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef BEACON_H
+#define BEACON_H
+
+struct ieee80211_mgmt;
+
+void handle_probe_req(struct hostapd_data *hapd,
+		      const struct ieee80211_mgmt *mgmt, size_t len);
+#ifdef NEED_AP_MLME
+void ieee802_11_set_beacon(struct hostapd_data *hapd);
+void ieee802_11_set_beacons(struct hostapd_iface *iface);
+#else /* NEED_AP_MLME */
+static inline void ieee802_11_set_beacon(struct hostapd_data *hapd)
+{
+}
+
+static inline void ieee802_11_set_beacons(struct hostapd_iface *iface)
+{
+}
+#endif /* NEED_AP_MLME */
+
+#endif /* BEACON_H */
diff --git a/src/ap/ctrl_iface_ap.c b/src/ap/ctrl_iface_ap.c
new file mode 100644
index 0000000..d348dc1
--- /dev/null
+++ b/src/ap/ctrl_iface_ap.c
@@ -0,0 +1,108 @@
+/*
+ * Control interface for shared AP commands
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "hostapd.h"
+#include "ieee802_1x.h"
+#include "wpa_auth.h"
+#include "ieee802_11.h"
+#include "sta_info.h"
+#include "wps_hostapd.h"
+#include "p2p_hostapd.h"
+#include "ctrl_iface_ap.h"
+
+
+static int hostapd_ctrl_iface_sta_mib(struct hostapd_data *hapd,
+				      struct sta_info *sta,
+				      char *buf, size_t buflen)
+{
+	int len, res, ret;
+
+	if (sta == NULL) {
+		ret = os_snprintf(buf, buflen, "FAIL\n");
+		if (ret < 0 || (size_t) ret >= buflen)
+			return 0;
+		return ret;
+	}
+
+	len = 0;
+	ret = os_snprintf(buf + len, buflen - len, MACSTR "\n",
+			  MAC2STR(sta->addr));
+	if (ret < 0 || (size_t) ret >= buflen - len)
+		return len;
+	len += ret;
+
+	res = ieee802_11_get_mib_sta(hapd, sta, buf + len, buflen - len);
+	if (res >= 0)
+		len += res;
+	res = wpa_get_mib_sta(sta->wpa_sm, buf + len, buflen - len);
+	if (res >= 0)
+		len += res;
+	res = ieee802_1x_get_mib_sta(hapd, sta, buf + len, buflen - len);
+	if (res >= 0)
+		len += res;
+	res = hostapd_wps_get_mib_sta(hapd, sta->addr, buf + len,
+				      buflen - len);
+	if (res >= 0)
+		len += res;
+	res = hostapd_p2p_get_mib_sta(hapd, sta, buf + len, buflen - len);
+	if (res >= 0)
+		len += res;
+
+	return len;
+}
+
+
+int hostapd_ctrl_iface_sta_first(struct hostapd_data *hapd,
+				 char *buf, size_t buflen)
+{
+	return hostapd_ctrl_iface_sta_mib(hapd, hapd->sta_list, buf, buflen);
+}
+
+
+int hostapd_ctrl_iface_sta(struct hostapd_data *hapd, const char *txtaddr,
+			   char *buf, size_t buflen)
+{
+	u8 addr[ETH_ALEN];
+	int ret;
+
+	if (hwaddr_aton(txtaddr, addr)) {
+		ret = os_snprintf(buf, buflen, "FAIL\n");
+		if (ret < 0 || (size_t) ret >= buflen)
+			return 0;
+		return ret;
+	}
+	return hostapd_ctrl_iface_sta_mib(hapd, ap_get_sta(hapd, addr),
+					  buf, buflen);
+}
+
+
+int hostapd_ctrl_iface_sta_next(struct hostapd_data *hapd, const char *txtaddr,
+				char *buf, size_t buflen)
+{
+	u8 addr[ETH_ALEN];
+	struct sta_info *sta;
+	int ret;
+
+	if (hwaddr_aton(txtaddr, addr) ||
+	    (sta = ap_get_sta(hapd, addr)) == NULL) {
+		ret = os_snprintf(buf, buflen, "FAIL\n");
+		if (ret < 0 || (size_t) ret >= buflen)
+			return 0;
+		return ret;
+	}		
+	return hostapd_ctrl_iface_sta_mib(hapd, sta->next, buf, buflen);
+}
diff --git a/src/ap/ctrl_iface_ap.h b/src/ap/ctrl_iface_ap.h
new file mode 100644
index 0000000..8690bea
--- /dev/null
+++ b/src/ap/ctrl_iface_ap.h
@@ -0,0 +1,25 @@
+/*
+ * Control interface for shared AP commands
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef CTRL_IFACE_AP_H
+#define CTRL_IFACE_AP_H
+
+int hostapd_ctrl_iface_sta_first(struct hostapd_data *hapd,
+				 char *buf, size_t buflen);
+int hostapd_ctrl_iface_sta(struct hostapd_data *hapd, const char *txtaddr,
+			   char *buf, size_t buflen);
+int hostapd_ctrl_iface_sta_next(struct hostapd_data *hapd, const char *txtaddr,
+				char *buf, size_t buflen);
+
+#endif /* CTRL_IFACE_AP_H */
diff --git a/src/ap/drv_callbacks.c b/src/ap/drv_callbacks.c
new file mode 100644
index 0000000..02b7ecf
--- /dev/null
+++ b/src/ap/drv_callbacks.c
@@ -0,0 +1,539 @@
+/*
+ * hostapd / Callback functions for driver wrappers
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "radius/radius.h"
+#include "drivers/driver.h"
+#include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
+#include "common/wpa_ctrl.h"
+#include "crypto/random.h"
+#include "p2p/p2p.h"
+#include "wps/wps.h"
+#include "hostapd.h"
+#include "ieee802_11.h"
+#include "sta_info.h"
+#include "accounting.h"
+#include "tkip_countermeasures.h"
+#include "iapp.h"
+#include "ieee802_1x.h"
+#include "wpa_auth.h"
+#include "wmm.h"
+#include "wps_hostapd.h"
+#include "ap_drv_ops.h"
+#include "ap_config.h"
+
+
+int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
+			const u8 *ie, size_t ielen, int reassoc)
+{
+	struct sta_info *sta;
+	int new_assoc, res;
+	struct ieee802_11_elems elems;
+#ifdef CONFIG_P2P
+	const u8 *all_ies = ie;
+	size_t all_ies_len = ielen;
+#endif /* CONFIG_P2P */
+
+	if (addr == NULL) {
+		/*
+		 * This could potentially happen with unexpected event from the
+		 * driver wrapper. This was seen at least in one case where the
+		 * driver ended up being set to station mode while hostapd was
+		 * running, so better make sure we stop processing such an
+		 * event here.
+		 */
+		wpa_printf(MSG_DEBUG, "hostapd_notif_assoc: Skip event with "
+			   "no address");
+		return -1;
+	}
+	random_add_randomness(addr, ETH_ALEN);
+
+	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_INFO, "associated");
+
+	ieee802_11_parse_elems(ie, ielen, &elems, 0);
+	if (elems.wps_ie) {
+		ie = elems.wps_ie - 2;
+		ielen = elems.wps_ie_len + 2;
+		wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq");
+	} else if (elems.rsn_ie) {
+		ie = elems.rsn_ie - 2;
+		ielen = elems.rsn_ie_len + 2;
+		wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq");
+	} else if (elems.wpa_ie) {
+		ie = elems.wpa_ie - 2;
+		ielen = elems.wpa_ie_len + 2;
+		wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq");
+	} else {
+		ie = NULL;
+		ielen = 0;
+		wpa_printf(MSG_DEBUG, "STA did not include WPS/RSN/WPA IE in "
+			   "(Re)AssocReq");
+	}
+
+	sta = ap_get_sta(hapd, addr);
+	if (sta) {
+		accounting_sta_stop(hapd, sta);
+	} else {
+		sta = ap_sta_add(hapd, addr);
+		if (sta == NULL)
+			return -1;
+	}
+	sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS);
+
+#ifdef CONFIG_P2P
+	if (elems.p2p) {
+		wpabuf_free(sta->p2p_ie);
+		sta->p2p_ie = ieee802_11_vendor_ie_concat(all_ies, all_ies_len,
+							  P2P_IE_VENDOR_TYPE);
+	}
+#endif /* CONFIG_P2P */
+
+	if (hapd->conf->wpa) {
+		if (ie == NULL || ielen == 0) {
+			if (hapd->conf->wps_state) {
+				wpa_printf(MSG_DEBUG, "STA did not include "
+					   "WPA/RSN IE in (Re)Association "
+					   "Request - possible WPS use");
+				sta->flags |= WLAN_STA_MAYBE_WPS;
+				goto skip_wpa_check;
+			}
+
+			wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
+			return -1;
+		}
+		if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
+		    os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
+			sta->flags |= WLAN_STA_WPS;
+			goto skip_wpa_check;
+		}
+
+		if (sta->wpa_sm == NULL)
+			sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
+							sta->addr);
+		if (sta->wpa_sm == NULL) {
+			wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
+				   "machine");
+			return -1;
+		}
+		res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
+					  ie, ielen, NULL, 0);
+		if (res != WPA_IE_OK) {
+			int resp;
+			wpa_printf(MSG_DEBUG, "WPA/RSN information element "
+				   "rejected? (res %u)", res);
+			wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
+			if (res == WPA_INVALID_GROUP)
+				resp = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
+			else if (res == WPA_INVALID_PAIRWISE)
+				resp = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
+			else if (res == WPA_INVALID_AKMP)
+				resp = WLAN_REASON_AKMP_NOT_VALID;
+#ifdef CONFIG_IEEE80211W
+			else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION)
+				resp = WLAN_REASON_INVALID_IE;
+			else if (res == WPA_INVALID_MGMT_GROUP_CIPHER)
+				resp = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
+#endif /* CONFIG_IEEE80211W */
+			else
+				resp = WLAN_REASON_INVALID_IE;
+			hostapd_drv_sta_disassoc(hapd, sta->addr, resp);
+			ap_free_sta(hapd, sta);
+			return -1;
+		}
+	} else if (hapd->conf->wps_state) {
+#ifdef CONFIG_WPS_STRICT
+		if (ie) {
+			struct wpabuf *wps;
+			wps = ieee802_11_vendor_ie_concat(ie, ielen,
+							  WPS_IE_VENDOR_TYPE);
+			if (wps && wps_validate_assoc_req(wps) < 0) {
+				hostapd_drv_sta_disassoc(
+					hapd, sta->addr,
+					WLAN_REASON_INVALID_IE);
+				ap_free_sta(hapd, sta);
+				wpabuf_free(wps);
+				return -1;
+			}
+			wpabuf_free(wps);
+		}
+#endif /* CONFIG_WPS_STRICT */
+		if (ie && ielen > 4 && ie[0] == 0xdd && ie[1] >= 4 &&
+		    os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
+			sta->flags |= WLAN_STA_WPS;
+		} else
+			sta->flags |= WLAN_STA_MAYBE_WPS;
+	}
+skip_wpa_check:
+
+	new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
+	sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
+	wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
+
+	hostapd_new_assoc_sta(hapd, sta, !new_assoc);
+
+	ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
+
+#ifdef CONFIG_P2P
+	p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
+			      all_ies, all_ies_len);
+#endif /* CONFIG_P2P */
+
+	return 0;
+}
+
+
+void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
+{
+	struct sta_info *sta;
+
+	if (addr == NULL) {
+		/*
+		 * This could potentially happen with unexpected event from the
+		 * driver wrapper. This was seen at least in one case where the
+		 * driver ended up reporting a station mode event while hostapd
+		 * was running, so better make sure we stop processing such an
+		 * event here.
+		 */
+		wpa_printf(MSG_DEBUG, "hostapd_notif_disassoc: Skip event "
+			   "with no address");
+		return;
+	}
+
+	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_INFO, "disassociated");
+
+	sta = ap_get_sta(hapd, addr);
+	if (sta == NULL) {
+		wpa_printf(MSG_DEBUG, "Disassociation notification for "
+			   "unknown STA " MACSTR, MAC2STR(addr));
+		return;
+	}
+
+	sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
+	wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED MACSTR,
+		MAC2STR(sta->addr));
+	wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
+	sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
+	ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
+	ap_free_sta(hapd, sta);
+}
+
+
+void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
+{
+	struct sta_info *sta = ap_get_sta(hapd, addr);
+
+	if (!sta || !hapd->conf->disassoc_low_ack)
+		return;
+
+	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_INFO, "disconnected due to excessive "
+		       "missing ACKs");
+	hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
+	if (sta)
+		ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
+}
+
+
+int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa,
+			 const u8 *ie, size_t ie_len)
+{
+	size_t i;
+	int ret = 0;
+
+	if (sa == NULL || ie == NULL)
+		return -1;
+
+	random_add_randomness(sa, ETH_ALEN);
+	for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
+		if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
+					    sa, ie, ie_len) > 0) {
+			ret = 1;
+			break;
+		}
+	}
+	return ret;
+}
+
+
+#ifdef HOSTAPD
+
+#ifdef NEED_AP_MLME
+
+static const u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len)
+{
+	u16 fc, type, stype;
+
+	/*
+	 * PS-Poll frames are 16 bytes. All other frames are
+	 * 24 bytes or longer.
+	 */
+	if (len < 16)
+		return NULL;
+
+	fc = le_to_host16(hdr->frame_control);
+	type = WLAN_FC_GET_TYPE(fc);
+	stype = WLAN_FC_GET_STYPE(fc);
+
+	switch (type) {
+	case WLAN_FC_TYPE_DATA:
+		if (len < 24)
+			return NULL;
+		switch (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) {
+		case WLAN_FC_FROMDS | WLAN_FC_TODS:
+		case WLAN_FC_TODS:
+			return hdr->addr1;
+		case WLAN_FC_FROMDS:
+			return hdr->addr2;
+		default:
+			return NULL;
+		}
+	case WLAN_FC_TYPE_CTRL:
+		if (stype != WLAN_FC_STYPE_PSPOLL)
+			return NULL;
+		return hdr->addr1;
+	case WLAN_FC_TYPE_MGMT:
+		return hdr->addr3;
+	default:
+		return NULL;
+	}
+}
+
+
+#define HAPD_BROADCAST ((struct hostapd_data *) -1)
+
+static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
+					    const u8 *bssid)
+{
+	size_t i;
+
+	if (bssid == NULL)
+		return NULL;
+	if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
+	    bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
+		return HAPD_BROADCAST;
+
+	for (i = 0; i < iface->num_bss; i++) {
+		if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
+			return iface->bss[i];
+	}
+
+	return NULL;
+}
+
+
+static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
+					const u8 *frame, size_t len)
+{
+	const struct ieee80211_hdr *hdr = (const struct ieee80211_hdr *) frame;
+	u16 fc = le_to_host16(hdr->frame_control);
+	hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
+	if (hapd == NULL || hapd == HAPD_BROADCAST)
+		return;
+
+	ieee802_11_rx_from_unknown(hapd, hdr->addr2,
+				   (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) ==
+				   (WLAN_FC_TODS | WLAN_FC_FROMDS));
+}
+
+
+static void hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
+{
+	struct hostapd_iface *iface = hapd->iface;
+	const struct ieee80211_hdr *hdr;
+	const u8 *bssid;
+	struct hostapd_frame_info fi;
+
+	hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
+	bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
+	if (bssid == NULL)
+		return;
+
+	hapd = get_hapd_bssid(iface, bssid);
+	if (hapd == NULL) {
+		u16 fc;
+		fc = le_to_host16(hdr->frame_control);
+
+		/*
+		 * Drop frames to unknown BSSIDs except for Beacon frames which
+		 * could be used to update neighbor information.
+		 */
+		if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
+		    WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
+			hapd = iface->bss[0];
+		else
+			return;
+	}
+
+	os_memset(&fi, 0, sizeof(fi));
+	fi.datarate = rx_mgmt->datarate;
+	fi.ssi_signal = rx_mgmt->ssi_signal;
+
+	if (hapd == HAPD_BROADCAST) {
+		size_t i;
+		for (i = 0; i < iface->num_bss; i++)
+			ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
+					rx_mgmt->frame_len, &fi);
+	} else
+		ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len, &fi);
+
+	random_add_randomness(&fi, sizeof(fi));
+}
+
+
+static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
+			       size_t len, u16 stype, int ok)
+{
+	struct ieee80211_hdr *hdr;
+	hdr = (struct ieee80211_hdr *) buf;
+	hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
+	if (hapd == NULL || hapd == HAPD_BROADCAST)
+		return;
+	ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
+}
+
+#endif /* NEED_AP_MLME */
+
+
+static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
+{
+	struct sta_info *sta = ap_get_sta(hapd, addr);
+	if (sta)
+		return 0;
+
+	wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
+		   " - adding a new STA", MAC2STR(addr));
+	sta = ap_sta_add(hapd, addr);
+	if (sta) {
+		hostapd_new_assoc_sta(hapd, sta, 0);
+	} else {
+		wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
+			   MAC2STR(addr));
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
+				   const u8 *data, size_t data_len)
+{
+	struct hostapd_iface *iface = hapd->iface;
+	size_t j;
+
+	for (j = 0; j < iface->num_bss; j++) {
+		if (ap_get_sta(iface->bss[j], src)) {
+			hapd = iface->bss[j];
+			break;
+		}
+	}
+
+	ieee802_1x_receive(hapd, src, data, data_len);
+}
+
+
+void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
+			  union wpa_event_data *data)
+{
+	struct hostapd_data *hapd = ctx;
+
+	switch (event) {
+	case EVENT_MICHAEL_MIC_FAILURE:
+		michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
+		break;
+	case EVENT_SCAN_RESULTS:
+		if (hapd->iface->scan_cb)
+			hapd->iface->scan_cb(hapd->iface);
+		break;
+#ifdef CONFIG_IEEE80211R
+	case EVENT_FT_RRB_RX:
+		wpa_ft_rrb_rx(hapd->wpa_auth, data->ft_rrb_rx.src,
+			      data->ft_rrb_rx.data, data->ft_rrb_rx.data_len);
+		break;
+#endif /* CONFIG_IEEE80211R */
+	case EVENT_WPS_BUTTON_PUSHED:
+		hostapd_wps_button_pushed(hapd, NULL);
+		break;
+#ifdef NEED_AP_MLME
+	case EVENT_TX_STATUS:
+		switch (data->tx_status.type) {
+		case WLAN_FC_TYPE_MGMT:
+			hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
+					   data->tx_status.data_len,
+					   data->tx_status.stype,
+					   data->tx_status.ack);
+			break;
+		case WLAN_FC_TYPE_DATA:
+			hostapd_tx_status(hapd, data->tx_status.dst,
+					  data->tx_status.data,
+					  data->tx_status.data_len,
+					  data->tx_status.ack);
+			break;
+		}
+		break;
+	case EVENT_RX_FROM_UNKNOWN:
+		hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.frame,
+					    data->rx_from_unknown.len);
+		break;
+	case EVENT_RX_MGMT:
+		hostapd_mgmt_rx(hapd, &data->rx_mgmt);
+		break;
+#endif /* NEED_AP_MLME */
+	case EVENT_RX_PROBE_REQ:
+		if (data->rx_probe_req.sa == NULL ||
+		    data->rx_probe_req.ie == NULL)
+			break;
+		hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
+				     data->rx_probe_req.ie,
+				     data->rx_probe_req.ie_len);
+		break;
+	case EVENT_NEW_STA:
+		hostapd_event_new_sta(hapd, data->new_sta.addr);
+		break;
+	case EVENT_EAPOL_RX:
+		hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
+				       data->eapol_rx.data,
+				       data->eapol_rx.data_len);
+		break;
+	case EVENT_ASSOC:
+		hostapd_notif_assoc(hapd, data->assoc_info.addr,
+				    data->assoc_info.req_ies,
+				    data->assoc_info.req_ies_len,
+				    data->assoc_info.reassoc);
+		break;
+	case EVENT_DISASSOC:
+		if (data)
+			hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
+		break;
+	case EVENT_DEAUTH:
+		if (data)
+			hostapd_notif_disassoc(hapd, data->deauth_info.addr);
+		break;
+	case EVENT_STATION_LOW_ACK:
+		if (!data)
+			break;
+		hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "Unknown event %d", event);
+		break;
+	}
+}
+
+#endif /* HOSTAPD */
diff --git a/src/ap/hostapd.c b/src/ap/hostapd.c
new file mode 100644
index 0000000..4e5eb01
--- /dev/null
+++ b/src/ap/hostapd.c
@@ -0,0 +1,929 @@
+/*
+ * hostapd / Initialization and configuration
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "common/ieee802_11_defs.h"
+#include "radius/radius_client.h"
+#include "drivers/driver.h"
+#include "hostapd.h"
+#include "authsrv.h"
+#include "sta_info.h"
+#include "accounting.h"
+#include "ap_list.h"
+#include "beacon.h"
+#include "iapp.h"
+#include "ieee802_1x.h"
+#include "ieee802_11_auth.h"
+#include "vlan_init.h"
+#include "wpa_auth.h"
+#include "wps_hostapd.h"
+#include "hw_features.h"
+#include "wpa_auth_glue.h"
+#include "ap_drv_ops.h"
+#include "ap_config.h"
+#include "p2p_hostapd.h"
+
+
+static int hostapd_flush_old_stations(struct hostapd_data *hapd);
+static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd);
+
+extern int wpa_debug_level;
+
+
+static void hostapd_reload_bss(struct hostapd_data *hapd)
+{
+#ifndef CONFIG_NO_RADIUS
+	radius_client_reconfig(hapd->radius, hapd->conf->radius);
+#endif /* CONFIG_NO_RADIUS */
+
+	if (hostapd_setup_wpa_psk(hapd->conf)) {
+		wpa_printf(MSG_ERROR, "Failed to re-configure WPA PSK "
+			   "after reloading configuration");
+	}
+
+	if (hapd->conf->ieee802_1x || hapd->conf->wpa)
+		hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 1);
+	else
+		hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 0);
+
+	if (hapd->conf->wpa && hapd->wpa_auth == NULL)
+		hostapd_setup_wpa(hapd);
+	else if (hapd->conf->wpa) {
+		const u8 *wpa_ie;
+		size_t wpa_ie_len;
+		hostapd_reconfig_wpa(hapd);
+		wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len);
+		if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len))
+			wpa_printf(MSG_ERROR, "Failed to configure WPA IE for "
+				   "the kernel driver.");
+	} else if (hapd->wpa_auth) {
+		wpa_deinit(hapd->wpa_auth);
+		hapd->wpa_auth = NULL;
+		hostapd_set_privacy(hapd, 0);
+		hostapd_setup_encryption(hapd->conf->iface, hapd);
+		hostapd_set_generic_elem(hapd, (u8 *) "", 0);
+	}
+
+	ieee802_11_set_beacon(hapd);
+	hostapd_update_wps(hapd);
+
+	if (hapd->conf->ssid.ssid_set &&
+	    hostapd_set_ssid(hapd, (u8 *) hapd->conf->ssid.ssid,
+			     hapd->conf->ssid.ssid_len)) {
+		wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver");
+		/* try to continue */
+	}
+	wpa_printf(MSG_DEBUG, "Reconfigured interface %s", hapd->conf->iface);
+}
+
+
+int hostapd_reload_config(struct hostapd_iface *iface)
+{
+	struct hostapd_data *hapd = iface->bss[0];
+	struct hostapd_config *newconf, *oldconf;
+	size_t j;
+
+	if (iface->config_read_cb == NULL)
+		return -1;
+	newconf = iface->config_read_cb(iface->config_fname);
+	if (newconf == NULL)
+		return -1;
+
+	/*
+	 * Deauthenticate all stations since the new configuration may not
+	 * allow them to use the BSS anymore.
+	 */
+	for (j = 0; j < iface->num_bss; j++) {
+		hostapd_flush_old_stations(iface->bss[j]);
+
+#ifndef CONFIG_NO_RADIUS
+		/* TODO: update dynamic data based on changed configuration
+		 * items (e.g., open/close sockets, etc.) */
+		radius_client_flush(iface->bss[j]->radius, 0);
+#endif /* CONFIG_NO_RADIUS */
+	}
+
+	oldconf = hapd->iconf;
+	iface->conf = newconf;
+
+	for (j = 0; j < iface->num_bss; j++) {
+		hapd = iface->bss[j];
+		hapd->iconf = newconf;
+		hapd->conf = &newconf->bss[j];
+		hostapd_reload_bss(hapd);
+	}
+
+	hostapd_config_free(oldconf);
+
+
+	return 0;
+}
+
+
+static void hostapd_broadcast_key_clear_iface(struct hostapd_data *hapd,
+					      char *ifname)
+{
+	int i;
+
+	for (i = 0; i < NUM_WEP_KEYS; i++) {
+		if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_NONE, NULL, i,
+					0, NULL, 0, NULL, 0)) {
+			wpa_printf(MSG_DEBUG, "Failed to clear default "
+				   "encryption keys (ifname=%s keyidx=%d)",
+				   ifname, i);
+		}
+	}
+#ifdef CONFIG_IEEE80211W
+	if (hapd->conf->ieee80211w) {
+		for (i = NUM_WEP_KEYS; i < NUM_WEP_KEYS + 2; i++) {
+			if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_NONE,
+						NULL, i, 0, NULL,
+						0, NULL, 0)) {
+				wpa_printf(MSG_DEBUG, "Failed to clear "
+					   "default mgmt encryption keys "
+					   "(ifname=%s keyidx=%d)", ifname, i);
+			}
+		}
+	}
+#endif /* CONFIG_IEEE80211W */
+}
+
+
+static int hostapd_broadcast_wep_clear(struct hostapd_data *hapd)
+{
+	hostapd_broadcast_key_clear_iface(hapd, hapd->conf->iface);
+	return 0;
+}
+
+
+static int hostapd_broadcast_wep_set(struct hostapd_data *hapd)
+{
+	int errors = 0, idx;
+	struct hostapd_ssid *ssid = &hapd->conf->ssid;
+
+	idx = ssid->wep.idx;
+	if (ssid->wep.default_len &&
+	    hostapd_drv_set_key(hapd->conf->iface,
+				hapd, WPA_ALG_WEP, broadcast_ether_addr, idx,
+				1, NULL, 0, ssid->wep.key[idx],
+				ssid->wep.len[idx])) {
+		wpa_printf(MSG_WARNING, "Could not set WEP encryption.");
+		errors++;
+	}
+
+	if (ssid->dyn_vlan_keys) {
+		size_t i;
+		for (i = 0; i <= ssid->max_dyn_vlan_keys; i++) {
+			const char *ifname;
+			struct hostapd_wep_keys *key = ssid->dyn_vlan_keys[i];
+			if (key == NULL)
+				continue;
+			ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan,
+							    i);
+			if (ifname == NULL)
+				continue;
+
+			idx = key->idx;
+			if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_WEP,
+						broadcast_ether_addr, idx, 1,
+						NULL, 0, key->key[idx],
+						key->len[idx])) {
+				wpa_printf(MSG_WARNING, "Could not set "
+					   "dynamic VLAN WEP encryption.");
+				errors++;
+			}
+		}
+	}
+
+	return errors;
+}
+
+/**
+ * hostapd_cleanup - Per-BSS cleanup (deinitialization)
+ * @hapd: Pointer to BSS data
+ *
+ * This function is used to free all per-BSS data structures and resources.
+ * This gets called in a loop for each BSS between calls to
+ * hostapd_cleanup_iface_pre() and hostapd_cleanup_iface() when an interface
+ * is deinitialized. Most of the modules that are initialized in
+ * hostapd_setup_bss() are deinitialized here.
+ */
+static void hostapd_cleanup(struct hostapd_data *hapd)
+{
+	if (hapd->iface->ctrl_iface_deinit)
+		hapd->iface->ctrl_iface_deinit(hapd);
+
+	iapp_deinit(hapd->iapp);
+	hapd->iapp = NULL;
+	accounting_deinit(hapd);
+	hostapd_deinit_wpa(hapd);
+	vlan_deinit(hapd);
+	hostapd_acl_deinit(hapd);
+#ifndef CONFIG_NO_RADIUS
+	radius_client_deinit(hapd->radius);
+	hapd->radius = NULL;
+#endif /* CONFIG_NO_RADIUS */
+
+	hostapd_deinit_wps(hapd);
+
+	authsrv_deinit(hapd);
+
+	if (hapd->interface_added &&
+	    hostapd_if_remove(hapd, WPA_IF_AP_BSS, hapd->conf->iface)) {
+		wpa_printf(MSG_WARNING, "Failed to remove BSS interface %s",
+			   hapd->conf->iface);
+	}
+
+	os_free(hapd->probereq_cb);
+	hapd->probereq_cb = NULL;
+
+#ifdef CONFIG_P2P
+	wpabuf_free(hapd->p2p_beacon_ie);
+	hapd->p2p_beacon_ie = NULL;
+	wpabuf_free(hapd->p2p_probe_resp_ie);
+	hapd->p2p_probe_resp_ie = NULL;
+#endif /* CONFIG_P2P */
+}
+
+
+/**
+ * hostapd_cleanup_iface_pre - Preliminary per-interface cleanup
+ * @iface: Pointer to interface data
+ *
+ * This function is called before per-BSS data structures are deinitialized
+ * with hostapd_cleanup().
+ */
+static void hostapd_cleanup_iface_pre(struct hostapd_iface *iface)
+{
+}
+
+
+/**
+ * hostapd_cleanup_iface - Complete per-interface cleanup
+ * @iface: Pointer to interface data
+ *
+ * This function is called after per-BSS data structures are deinitialized
+ * with hostapd_cleanup().
+ */
+static void hostapd_cleanup_iface(struct hostapd_iface *iface)
+{
+	hostapd_free_hw_features(iface->hw_features, iface->num_hw_features);
+	iface->hw_features = NULL;
+	os_free(iface->current_rates);
+	iface->current_rates = NULL;
+	ap_list_deinit(iface);
+	hostapd_config_free(iface->conf);
+	iface->conf = NULL;
+
+	os_free(iface->config_fname);
+	os_free(iface->bss);
+	os_free(iface);
+}
+
+
+static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd)
+{
+	int i;
+
+	hostapd_broadcast_wep_set(hapd);
+
+	if (hapd->conf->ssid.wep.default_len) {
+		hostapd_set_privacy(hapd, 1);
+		return 0;
+	}
+
+	for (i = 0; i < 4; i++) {
+		if (hapd->conf->ssid.wep.key[i] &&
+		    hostapd_drv_set_key(iface, hapd, WPA_ALG_WEP, NULL, i,
+					i == hapd->conf->ssid.wep.idx, NULL, 0,
+					hapd->conf->ssid.wep.key[i],
+					hapd->conf->ssid.wep.len[i])) {
+			wpa_printf(MSG_WARNING, "Could not set WEP "
+				   "encryption.");
+			return -1;
+		}
+		if (hapd->conf->ssid.wep.key[i] &&
+		    i == hapd->conf->ssid.wep.idx)
+			hostapd_set_privacy(hapd, 1);
+	}
+
+	return 0;
+}
+
+
+static int hostapd_flush_old_stations(struct hostapd_data *hapd)
+{
+	int ret = 0;
+	u8 addr[ETH_ALEN];
+
+	if (hostapd_drv_none(hapd) || hapd->drv_priv == NULL)
+		return 0;
+
+	wpa_printf(MSG_DEBUG, "Flushing old station entries");
+	if (hostapd_flush(hapd)) {
+		wpa_printf(MSG_WARNING, "Could not connect to kernel driver.");
+		ret = -1;
+	}
+	wpa_printf(MSG_DEBUG, "Deauthenticate all stations");
+	os_memset(addr, 0xff, ETH_ALEN);
+	hostapd_drv_sta_deauth(hapd, addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
+	hostapd_free_stas(hapd);
+
+	return ret;
+}
+
+
+/**
+ * hostapd_validate_bssid_configuration - Validate BSSID configuration
+ * @iface: Pointer to interface data
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is used to validate that the configured BSSIDs are valid.
+ */
+static int hostapd_validate_bssid_configuration(struct hostapd_iface *iface)
+{
+	u8 mask[ETH_ALEN] = { 0 };
+	struct hostapd_data *hapd = iface->bss[0];
+	unsigned int i = iface->conf->num_bss, bits = 0, j;
+	int res;
+	int auto_addr = 0;
+
+	if (hostapd_drv_none(hapd))
+		return 0;
+
+	/* Generate BSSID mask that is large enough to cover the BSSIDs. */
+
+	/* Determine the bits necessary to cover the number of BSSIDs. */
+	for (i--; i; i >>= 1)
+		bits++;
+
+	/* Determine the bits necessary to any configured BSSIDs,
+	   if they are higher than the number of BSSIDs. */
+	for (j = 0; j < iface->conf->num_bss; j++) {
+		if (hostapd_mac_comp_empty(iface->conf->bss[j].bssid) == 0) {
+			if (j)
+				auto_addr++;
+			continue;
+		}
+
+		for (i = 0; i < ETH_ALEN; i++) {
+			mask[i] |=
+				iface->conf->bss[j].bssid[i] ^
+				hapd->own_addr[i];
+		}
+	}
+
+	if (!auto_addr)
+		goto skip_mask_ext;
+
+	for (i = 0; i < ETH_ALEN && mask[i] == 0; i++)
+		;
+	j = 0;
+	if (i < ETH_ALEN) {
+		j = (5 - i) * 8;
+
+		while (mask[i] != 0) {
+			mask[i] >>= 1;
+			j++;
+		}
+	}
+
+	if (bits < j)
+		bits = j;
+
+	if (bits > 40) {
+		wpa_printf(MSG_ERROR, "Too many bits in the BSSID mask (%u)",
+			   bits);
+		return -1;
+	}
+
+	os_memset(mask, 0xff, ETH_ALEN);
+	j = bits / 8;
+	for (i = 5; i > 5 - j; i--)
+		mask[i] = 0;
+	j = bits % 8;
+	while (j--)
+		mask[i] <<= 1;
+
+skip_mask_ext:
+	wpa_printf(MSG_DEBUG, "BSS count %lu, BSSID mask " MACSTR " (%d bits)",
+		   (unsigned long) iface->conf->num_bss, MAC2STR(mask), bits);
+
+	res = hostapd_valid_bss_mask(hapd, hapd->own_addr, mask);
+	if (res == 0)
+		return 0;
+
+	if (res < 0) {
+		wpa_printf(MSG_ERROR, "Driver did not accept BSSID mask "
+			   MACSTR " for start address " MACSTR ".",
+			   MAC2STR(mask), MAC2STR(hapd->own_addr));
+		return -1;
+	}
+
+	if (!auto_addr)
+		return 0;
+
+	for (i = 0; i < ETH_ALEN; i++) {
+		if ((hapd->own_addr[i] & mask[i]) != hapd->own_addr[i]) {
+			wpa_printf(MSG_ERROR, "Invalid BSSID mask " MACSTR
+				   " for start address " MACSTR ".",
+				   MAC2STR(mask), MAC2STR(hapd->own_addr));
+			wpa_printf(MSG_ERROR, "Start address must be the "
+				   "first address in the block (i.e., addr "
+				   "AND mask == addr).");
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+
+static int mac_in_conf(struct hostapd_config *conf, const void *a)
+{
+	size_t i;
+
+	for (i = 0; i < conf->num_bss; i++) {
+		if (hostapd_mac_comp(conf->bss[i].bssid, a) == 0) {
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+
+
+
+/**
+ * hostapd_setup_bss - Per-BSS setup (initialization)
+ * @hapd: Pointer to BSS data
+ * @first: Whether this BSS is the first BSS of an interface
+ *
+ * This function is used to initialize all per-BSS data structures and
+ * resources. This gets called in a loop for each BSS when an interface is
+ * initialized. Most of the modules that are initialized here will be
+ * deinitialized in hostapd_cleanup().
+ */
+static int hostapd_setup_bss(struct hostapd_data *hapd, int first)
+{
+	struct hostapd_bss_config *conf = hapd->conf;
+	u8 ssid[HOSTAPD_MAX_SSID_LEN + 1];
+	int ssid_len, set_ssid;
+	char force_ifname[IFNAMSIZ];
+	u8 if_addr[ETH_ALEN];
+
+	if (!first) {
+		if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0) {
+			/* Allocate the next available BSSID. */
+			do {
+				inc_byte_array(hapd->own_addr, ETH_ALEN);
+			} while (mac_in_conf(hapd->iconf, hapd->own_addr));
+		} else {
+			/* Allocate the configured BSSID. */
+			os_memcpy(hapd->own_addr, hapd->conf->bssid, ETH_ALEN);
+
+			if (hostapd_mac_comp(hapd->own_addr,
+					     hapd->iface->bss[0]->own_addr) ==
+			    0) {
+				wpa_printf(MSG_ERROR, "BSS '%s' may not have "
+					   "BSSID set to the MAC address of "
+					   "the radio", hapd->conf->iface);
+				return -1;
+			}
+		}
+
+		hapd->interface_added = 1;
+		if (hostapd_if_add(hapd->iface->bss[0], WPA_IF_AP_BSS,
+				   hapd->conf->iface, hapd->own_addr, hapd,
+				   &hapd->drv_priv, force_ifname, if_addr,
+				   hapd->conf->bridge[0] ? hapd->conf->bridge :
+				   NULL)) {
+			wpa_printf(MSG_ERROR, "Failed to add BSS (BSSID="
+				   MACSTR ")", MAC2STR(hapd->own_addr));
+			return -1;
+		}
+	}
+
+	if (conf->wmm_enabled < 0)
+		conf->wmm_enabled = hapd->iconf->ieee80211n;
+
+	hostapd_flush_old_stations(hapd);
+	hostapd_set_privacy(hapd, 0);
+
+	hostapd_broadcast_wep_clear(hapd);
+	if (hostapd_setup_encryption(hapd->conf->iface, hapd))
+		return -1;
+
+	/*
+	 * Fetch the SSID from the system and use it or,
+	 * if one was specified in the config file, verify they
+	 * match.
+	 */
+	ssid_len = hostapd_get_ssid(hapd, ssid, sizeof(ssid));
+	if (ssid_len < 0) {
+		wpa_printf(MSG_ERROR, "Could not read SSID from system");
+		return -1;
+	}
+	if (conf->ssid.ssid_set) {
+		/*
+		 * If SSID is specified in the config file and it differs
+		 * from what is being used then force installation of the
+		 * new SSID.
+		 */
+		set_ssid = (conf->ssid.ssid_len != (size_t) ssid_len ||
+			    os_memcmp(conf->ssid.ssid, ssid, ssid_len) != 0);
+	} else {
+		/*
+		 * No SSID in the config file; just use the one we got
+		 * from the system.
+		 */
+		set_ssid = 0;
+		conf->ssid.ssid_len = ssid_len;
+		os_memcpy(conf->ssid.ssid, ssid, conf->ssid.ssid_len);
+		conf->ssid.ssid[conf->ssid.ssid_len] = '\0';
+	}
+
+	if (!hostapd_drv_none(hapd)) {
+		wpa_printf(MSG_ERROR, "Using interface %s with hwaddr " MACSTR
+			   " and ssid '%s'",
+			   hapd->conf->iface, MAC2STR(hapd->own_addr),
+			   hapd->conf->ssid.ssid);
+	}
+
+	if (hostapd_setup_wpa_psk(conf)) {
+		wpa_printf(MSG_ERROR, "WPA-PSK setup failed.");
+		return -1;
+	}
+
+	/* Set SSID for the kernel driver (to be used in beacon and probe
+	 * response frames) */
+	if (set_ssid && hostapd_set_ssid(hapd, (u8 *) conf->ssid.ssid,
+					 conf->ssid.ssid_len)) {
+		wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver");
+		return -1;
+	}
+
+	if (wpa_debug_level == MSG_MSGDUMP)
+		conf->radius->msg_dumps = 1;
+#ifndef CONFIG_NO_RADIUS
+	hapd->radius = radius_client_init(hapd, conf->radius);
+	if (hapd->radius == NULL) {
+		wpa_printf(MSG_ERROR, "RADIUS client initialization failed.");
+		return -1;
+	}
+#endif /* CONFIG_NO_RADIUS */
+
+	if (hostapd_acl_init(hapd)) {
+		wpa_printf(MSG_ERROR, "ACL initialization failed.");
+		return -1;
+	}
+	if (hostapd_init_wps(hapd, conf))
+		return -1;
+
+	if (authsrv_init(hapd) < 0)
+		return -1;
+
+	if (ieee802_1x_init(hapd)) {
+		wpa_printf(MSG_ERROR, "IEEE 802.1X initialization failed.");
+		return -1;
+	}
+
+	if (hapd->conf->wpa && hostapd_setup_wpa(hapd))
+		return -1;
+
+	if (accounting_init(hapd)) {
+		wpa_printf(MSG_ERROR, "Accounting initialization failed.");
+		return -1;
+	}
+
+	if (hapd->conf->ieee802_11f &&
+	    (hapd->iapp = iapp_init(hapd, hapd->conf->iapp_iface)) == NULL) {
+		wpa_printf(MSG_ERROR, "IEEE 802.11F (IAPP) initialization "
+			   "failed.");
+		return -1;
+	}
+
+	if (hapd->iface->ctrl_iface_init &&
+	    hapd->iface->ctrl_iface_init(hapd)) {
+		wpa_printf(MSG_ERROR, "Failed to setup control interface");
+		return -1;
+	}
+
+	if (!hostapd_drv_none(hapd) && vlan_init(hapd)) {
+		wpa_printf(MSG_ERROR, "VLAN initialization failed.");
+		return -1;
+	}
+
+	ieee802_11_set_beacon(hapd);
+
+	if (hapd->driver && hapd->driver->set_operstate)
+		hapd->driver->set_operstate(hapd->drv_priv, 1);
+
+	return 0;
+}
+
+
+static void hostapd_tx_queue_params(struct hostapd_iface *iface)
+{
+	struct hostapd_data *hapd = iface->bss[0];
+	int i;
+	struct hostapd_tx_queue_params *p;
+
+	for (i = 0; i < NUM_TX_QUEUES; i++) {
+		p = &iface->conf->tx_queue[i];
+
+		if (hostapd_set_tx_queue_params(hapd, i, p->aifs, p->cwmin,
+						p->cwmax, p->burst)) {
+			wpa_printf(MSG_DEBUG, "Failed to set TX queue "
+				   "parameters for queue %d.", i);
+			/* Continue anyway */
+		}
+	}
+}
+
+
+static int setup_interface(struct hostapd_iface *iface)
+{
+	struct hostapd_data *hapd = iface->bss[0];
+	size_t i;
+	char country[4];
+
+	/*
+	 * Make sure that all BSSes get configured with a pointer to the same
+	 * driver interface.
+	 */
+	for (i = 1; i < iface->num_bss; i++) {
+		iface->bss[i]->driver = hapd->driver;
+		iface->bss[i]->drv_priv = hapd->drv_priv;
+	}
+
+	if (hostapd_validate_bssid_configuration(iface))
+		return -1;
+
+	if (hapd->iconf->country[0] && hapd->iconf->country[1]) {
+		os_memcpy(country, hapd->iconf->country, 3);
+		country[3] = '\0';
+		if (hostapd_set_country(hapd, country) < 0) {
+			wpa_printf(MSG_ERROR, "Failed to set country code");
+			return -1;
+		}
+	}
+
+	if (hostapd_get_hw_features(iface)) {
+		/* Not all drivers support this yet, so continue without hw
+		 * feature data. */
+	} else {
+		int ret = hostapd_select_hw_mode(iface);
+		if (ret < 0) {
+			wpa_printf(MSG_ERROR, "Could not select hw_mode and "
+				   "channel. (%d)", ret);
+			return -1;
+		}
+		ret = hostapd_check_ht_capab(iface);
+		if (ret < 0)
+			return -1;
+		if (ret == 1) {
+			wpa_printf(MSG_DEBUG, "Interface initialization will "
+				   "be completed in a callback");
+			return 0;
+		}
+	}
+	return hostapd_setup_interface_complete(iface, 0);
+}
+
+
+int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err)
+{
+	struct hostapd_data *hapd = iface->bss[0];
+	size_t j;
+	u8 *prev_addr;
+
+	if (err) {
+		wpa_printf(MSG_ERROR, "Interface initialization failed");
+		eloop_terminate();
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "Completing interface initialization");
+	if (hapd->iconf->channel) {
+		iface->freq = hostapd_hw_get_freq(hapd, hapd->iconf->channel);
+		wpa_printf(MSG_DEBUG, "Mode: %s  Channel: %d  "
+			   "Frequency: %d MHz",
+			   hostapd_hw_mode_txt(hapd->iconf->hw_mode),
+			   hapd->iconf->channel, iface->freq);
+
+		if (hostapd_set_freq(hapd, hapd->iconf->hw_mode, iface->freq,
+				     hapd->iconf->channel,
+				     hapd->iconf->ieee80211n,
+				     hapd->iconf->secondary_channel)) {
+			wpa_printf(MSG_ERROR, "Could not set channel for "
+				   "kernel driver");
+			return -1;
+		}
+	}
+
+	if (iface->current_mode) {
+		if (hostapd_prepare_rates(hapd, iface->current_mode)) {
+			wpa_printf(MSG_ERROR, "Failed to prepare rates "
+				   "table.");
+			hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
+				       HOSTAPD_LEVEL_WARNING,
+				       "Failed to prepare rates table.");
+			return -1;
+		}
+	}
+
+	if (hapd->iconf->rts_threshold > -1 &&
+	    hostapd_set_rts(hapd, hapd->iconf->rts_threshold)) {
+		wpa_printf(MSG_ERROR, "Could not set RTS threshold for "
+			   "kernel driver");
+		return -1;
+	}
+
+	if (hapd->iconf->fragm_threshold > -1 &&
+	    hostapd_set_frag(hapd, hapd->iconf->fragm_threshold)) {
+		wpa_printf(MSG_ERROR, "Could not set fragmentation threshold "
+			   "for kernel driver");
+		return -1;
+	}
+
+	prev_addr = hapd->own_addr;
+
+	for (j = 0; j < iface->num_bss; j++) {
+		hapd = iface->bss[j];
+		if (j)
+			os_memcpy(hapd->own_addr, prev_addr, ETH_ALEN);
+		if (hostapd_setup_bss(hapd, j == 0))
+			return -1;
+		if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0)
+			prev_addr = hapd->own_addr;
+	}
+
+	hostapd_tx_queue_params(iface);
+
+	ap_list_init(iface);
+
+	if (hostapd_driver_commit(hapd) < 0) {
+		wpa_printf(MSG_ERROR, "%s: Failed to commit driver "
+			   "configuration", __func__);
+		return -1;
+	}
+
+	if (hapd->setup_complete_cb)
+		hapd->setup_complete_cb(hapd->setup_complete_cb_ctx);
+
+	wpa_printf(MSG_DEBUG, "%s: Setup of interface done.",
+		   iface->bss[0]->conf->iface);
+
+	return 0;
+}
+
+
+/**
+ * hostapd_setup_interface - Setup of an interface
+ * @iface: Pointer to interface data.
+ * Returns: 0 on success, -1 on failure
+ *
+ * Initializes the driver interface, validates the configuration,
+ * and sets driver parameters based on the configuration.
+ * Flushes old stations, sets the channel, encryption,
+ * beacons, and WDS links based on the configuration.
+ */
+int hostapd_setup_interface(struct hostapd_iface *iface)
+{
+	int ret;
+
+	ret = setup_interface(iface);
+	if (ret) {
+		wpa_printf(MSG_ERROR, "%s: Unable to setup interface.",
+			   iface->bss[0]->conf->iface);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+/**
+ * hostapd_alloc_bss_data - Allocate and initialize per-BSS data
+ * @hapd_iface: Pointer to interface data
+ * @conf: Pointer to per-interface configuration
+ * @bss: Pointer to per-BSS configuration for this BSS
+ * Returns: Pointer to allocated BSS data
+ *
+ * This function is used to allocate per-BSS data structure. This data will be
+ * freed after hostapd_cleanup() is called for it during interface
+ * deinitialization.
+ */
+struct hostapd_data *
+hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
+		       struct hostapd_config *conf,
+		       struct hostapd_bss_config *bss)
+{
+	struct hostapd_data *hapd;
+
+	hapd = os_zalloc(sizeof(*hapd));
+	if (hapd == NULL)
+		return NULL;
+
+	hapd->new_assoc_sta_cb = hostapd_new_assoc_sta;
+	hapd->iconf = conf;
+	hapd->conf = bss;
+	hapd->iface = hapd_iface;
+	hapd->driver = hapd->iconf->driver;
+
+	return hapd;
+}
+
+
+void hostapd_interface_deinit(struct hostapd_iface *iface)
+{
+	size_t j;
+
+	if (iface == NULL)
+		return;
+
+	hostapd_cleanup_iface_pre(iface);
+	for (j = 0; j < iface->num_bss; j++) {
+		struct hostapd_data *hapd = iface->bss[j];
+		hostapd_free_stas(hapd);
+		hostapd_flush_old_stations(hapd);
+		hostapd_cleanup(hapd);
+	}
+}
+
+
+void hostapd_interface_free(struct hostapd_iface *iface)
+{
+	size_t j;
+	for (j = 0; j < iface->num_bss; j++)
+		os_free(iface->bss[j]);
+	hostapd_cleanup_iface(iface);
+}
+
+
+/**
+ * hostapd_new_assoc_sta - Notify that a new station associated with the AP
+ * @hapd: Pointer to BSS data
+ * @sta: Pointer to the associated STA data
+ * @reassoc: 1 to indicate this was a re-association; 0 = first association
+ *
+ * This function will be called whenever a station associates with the AP. It
+ * can be called from ieee802_11.c for drivers that export MLME to hostapd and
+ * from drv_callbacks.c based on driver events for drivers that take care of
+ * management frames (IEEE 802.11 authentication and association) internally.
+ */
+void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
+			   int reassoc)
+{
+	if (hapd->tkip_countermeasures) {
+		hostapd_drv_sta_deauth(hapd, sta->addr,
+				       WLAN_REASON_MICHAEL_MIC_FAILURE);
+		return;
+	}
+
+	hostapd_prune_associations(hapd, sta->addr);
+
+	/* IEEE 802.11F (IAPP) */
+	if (hapd->conf->ieee802_11f)
+		iapp_new_station(hapd->iapp, sta);
+
+#ifdef CONFIG_P2P
+	if (sta->p2p_ie == NULL && !sta->no_p2p_set) {
+		sta->no_p2p_set = 1;
+		hapd->num_sta_no_p2p++;
+		if (hapd->num_sta_no_p2p == 1)
+			hostapd_p2p_non_p2p_sta_connected(hapd);
+	}
+#endif /* CONFIG_P2P */
+
+	/* Start accounting here, if IEEE 802.1X and WPA are not used.
+	 * IEEE 802.1X/WPA code will start accounting after the station has
+	 * been authorized. */
+	if (!hapd->conf->ieee802_1x && !hapd->conf->wpa)
+		accounting_sta_start(hapd, sta);
+
+	/* Start IEEE 802.1X authentication process for new stations */
+	ieee802_1x_new_station(hapd, sta);
+	if (reassoc) {
+		if (sta->auth_alg != WLAN_AUTH_FT &&
+		    !(sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS)))
+			wpa_auth_sm_event(sta->wpa_sm, WPA_REAUTH);
+	} else
+		wpa_auth_sta_associated(hapd->wpa_auth, sta->wpa_sm);
+}
diff --git a/src/ap/hostapd.h b/src/ap/hostapd.h
new file mode 100644
index 0000000..d4501a1
--- /dev/null
+++ b/src/ap/hostapd.h
@@ -0,0 +1,262 @@
+/*
+ * hostapd / Initialization and configuration
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef HOSTAPD_H
+#define HOSTAPD_H
+
+#include "common/defs.h"
+
+struct wpa_driver_ops;
+struct wpa_ctrl_dst;
+struct radius_server_data;
+struct upnp_wps_device_sm;
+struct hapd_interfaces;
+struct hostapd_data;
+struct sta_info;
+struct hostap_sta_driver_data;
+struct ieee80211_ht_capabilities;
+struct full_dynamic_vlan;
+enum wps_event;
+union wps_event_data;
+
+struct hostapd_probereq_cb {
+	int (*cb)(void *ctx, const u8 *sa, const u8 *ie, size_t ie_len);
+	void *ctx;
+};
+
+#define HOSTAPD_RATE_BASIC 0x00000001
+
+struct hostapd_rate_data {
+	int rate; /* rate in 100 kbps */
+	int flags; /* HOSTAPD_RATE_ flags */
+};
+
+struct hostapd_frame_info {
+	u32 channel;
+	u32 datarate;
+	u32 ssi_signal;
+};
+
+
+/**
+ * struct hostapd_data - hostapd per-BSS data structure
+ */
+struct hostapd_data {
+	struct hostapd_iface *iface;
+	struct hostapd_config *iconf;
+	struct hostapd_bss_config *conf;
+	int interface_added; /* virtual interface added for this BSS */
+
+	u8 own_addr[ETH_ALEN];
+
+	int num_sta; /* number of entries in sta_list */
+	struct sta_info *sta_list; /* STA info list head */
+#define STA_HASH_SIZE 256
+#define STA_HASH(sta) (sta[5])
+	struct sta_info *sta_hash[STA_HASH_SIZE];
+
+	/*
+	 * Bitfield for indicating which AIDs are allocated. Only AID values
+	 * 1-2007 are used and as such, the bit at index 0 corresponds to AID
+	 * 1.
+	 */
+#define AID_WORDS ((2008 + 31) / 32)
+	u32 sta_aid[AID_WORDS];
+
+	const struct wpa_driver_ops *driver;
+	void *drv_priv;
+
+	void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
+				 struct sta_info *sta, int reassoc);
+
+	void *msg_ctx; /* ctx for wpa_msg() calls */
+
+	struct radius_client_data *radius;
+	u32 acct_session_id_hi, acct_session_id_lo;
+
+	struct iapp_data *iapp;
+
+	struct hostapd_cached_radius_acl *acl_cache;
+	struct hostapd_acl_query_data *acl_queries;
+
+	struct wpa_authenticator *wpa_auth;
+	struct eapol_authenticator *eapol_auth;
+
+	struct rsn_preauth_interface *preauth_iface;
+	time_t michael_mic_failure;
+	int michael_mic_failures;
+	int tkip_countermeasures;
+
+	int ctrl_sock;
+	struct wpa_ctrl_dst *ctrl_dst;
+
+	void *ssl_ctx;
+	void *eap_sim_db_priv;
+	struct radius_server_data *radius_srv;
+
+	int parameter_set_count;
+
+#ifdef CONFIG_FULL_DYNAMIC_VLAN
+	struct full_dynamic_vlan *full_dynamic_vlan;
+#endif /* CONFIG_FULL_DYNAMIC_VLAN */
+
+	struct l2_packet_data *l2;
+	struct wps_context *wps;
+
+	struct wpabuf *wps_beacon_ie;
+	struct wpabuf *wps_probe_resp_ie;
+#ifdef CONFIG_WPS
+	unsigned int ap_pin_failures;
+	struct upnp_wps_device_sm *wps_upnp;
+	unsigned int ap_pin_lockout_time;
+#endif /* CONFIG_WPS */
+
+	struct hostapd_probereq_cb *probereq_cb;
+	size_t num_probereq_cb;
+
+	void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
+				 int freq);
+	void *public_action_cb_ctx;
+
+	int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len,
+				int freq);
+	void *vendor_action_cb_ctx;
+
+	void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr,
+				   const u8 *uuid_e);
+	void *wps_reg_success_cb_ctx;
+
+	void (*wps_event_cb)(void *ctx, enum wps_event event,
+			     union wps_event_data *data);
+	void *wps_event_cb_ctx;
+
+	void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr,
+				  int authorized);
+	void *sta_authorized_cb_ctx;
+
+	void (*setup_complete_cb)(void *ctx);
+	void *setup_complete_cb_ctx;
+
+#ifdef CONFIG_P2P
+	struct p2p_data *p2p;
+	struct p2p_group *p2p_group;
+	struct wpabuf *p2p_beacon_ie;
+	struct wpabuf *p2p_probe_resp_ie;
+
+	/* Number of non-P2P association stations */
+	int num_sta_no_p2p;
+
+	/* Periodic NoA (used only when no non-P2P clients in the group) */
+	int noa_enabled;
+	int noa_start;
+	int noa_duration;
+#endif /* CONFIG_P2P */
+};
+
+
+/**
+ * struct hostapd_iface - hostapd per-interface data structure
+ */
+struct hostapd_iface {
+	struct hapd_interfaces *interfaces;
+	void *owner;
+	int (*reload_config)(struct hostapd_iface *iface);
+	struct hostapd_config * (*config_read_cb)(const char *config_fname);
+	char *config_fname;
+	struct hostapd_config *conf;
+
+	size_t num_bss;
+	struct hostapd_data **bss;
+
+	int num_ap; /* number of entries in ap_list */
+	struct ap_info *ap_list; /* AP info list head */
+	struct ap_info *ap_hash[STA_HASH_SIZE];
+	struct ap_info *ap_iter_list;
+
+	unsigned int drv_flags;
+	struct hostapd_hw_modes *hw_features;
+	int num_hw_features;
+	struct hostapd_hw_modes *current_mode;
+	/* Rates that are currently used (i.e., filtered copy of
+	 * current_mode->channels */
+	int num_rates;
+	struct hostapd_rate_data *current_rates;
+	int freq;
+
+	u16 hw_flags;
+
+	/* Number of associated Non-ERP stations (i.e., stations using 802.11b
+	 * in 802.11g BSS) */
+	int num_sta_non_erp;
+
+	/* Number of associated stations that do not support Short Slot Time */
+	int num_sta_no_short_slot_time;
+
+	/* Number of associated stations that do not support Short Preamble */
+	int num_sta_no_short_preamble;
+
+	int olbc; /* Overlapping Legacy BSS Condition */
+
+	/* Number of HT associated stations that do not support greenfield */
+	int num_sta_ht_no_gf;
+
+	/* Number of associated non-HT stations */
+	int num_sta_no_ht;
+
+	/* Number of HT associated stations 20 MHz */
+	int num_sta_ht_20mhz;
+
+	/* Overlapping BSS information */
+	int olbc_ht;
+
+	u16 ht_op_mode;
+	void (*scan_cb)(struct hostapd_iface *iface);
+
+	int (*ctrl_iface_init)(struct hostapd_data *hapd);
+	void (*ctrl_iface_deinit)(struct hostapd_data *hapd);
+
+	int (*for_each_interface)(struct hapd_interfaces *interfaces,
+				  int (*cb)(struct hostapd_iface *iface,
+					    void *ctx), void *ctx);
+};
+
+/* hostapd.c */
+int hostapd_reload_config(struct hostapd_iface *iface);
+struct hostapd_data *
+hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
+		       struct hostapd_config *conf,
+		       struct hostapd_bss_config *bss);
+int hostapd_setup_interface(struct hostapd_iface *iface);
+int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
+void hostapd_interface_deinit(struct hostapd_iface *iface);
+void hostapd_interface_free(struct hostapd_iface *iface);
+void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
+			   int reassoc);
+
+/* utils.c */
+int hostapd_register_probereq_cb(struct hostapd_data *hapd,
+				 int (*cb)(void *ctx, const u8 *sa,
+					   const u8 *ie, size_t ie_len),
+				 void *ctx);
+void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr);
+
+/* drv_callbacks.c (TODO: move to somewhere else?) */
+int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
+			const u8 *ie, size_t ielen, int reassoc);
+void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
+void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
+int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa,
+			 const u8 *ie, size_t ie_len);
+
+#endif /* HOSTAPD_H */
diff --git a/src/ap/hw_features.c b/src/ap/hw_features.c
new file mode 100644
index 0000000..f3fffd7
--- /dev/null
+++ b/src/ap/hw_features.c
@@ -0,0 +1,751 @@
+/*
+ * hostapd / Hardware feature query and different modes
+ * Copyright 2002-2003, Instant802 Networks, Inc.
+ * Copyright 2005-2006, Devicescape Software, Inc.
+ * Copyright (c) 2008-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
+#include "drivers/driver.h"
+#include "hostapd.h"
+#include "ap_config.h"
+#include "ap_drv_ops.h"
+#include "hw_features.h"
+
+
+void hostapd_free_hw_features(struct hostapd_hw_modes *hw_features,
+			      size_t num_hw_features)
+{
+	size_t i;
+
+	if (hw_features == NULL)
+		return;
+
+	for (i = 0; i < num_hw_features; i++) {
+		os_free(hw_features[i].channels);
+		os_free(hw_features[i].rates);
+	}
+
+	os_free(hw_features);
+}
+
+
+int hostapd_get_hw_features(struct hostapd_iface *iface)
+{
+	struct hostapd_data *hapd = iface->bss[0];
+	int ret = 0, i, j;
+	u16 num_modes, flags;
+	struct hostapd_hw_modes *modes;
+
+	if (hostapd_drv_none(hapd))
+		return -1;
+	modes = hostapd_get_hw_feature_data(hapd, &num_modes, &flags);
+	if (modes == NULL) {
+		hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_DEBUG,
+			       "Fetching hardware channel/rate support not "
+			       "supported.");
+		return -1;
+	}
+
+	iface->hw_flags = flags;
+
+	hostapd_free_hw_features(iface->hw_features, iface->num_hw_features);
+	iface->hw_features = modes;
+	iface->num_hw_features = num_modes;
+
+	for (i = 0; i < num_modes; i++) {
+		struct hostapd_hw_modes *feature = &modes[i];
+		/* set flag for channels we can use in current regulatory
+		 * domain */
+		for (j = 0; j < feature->num_channels; j++) {
+			/*
+			 * Disable all channels that are marked not to allow
+			 * IBSS operation or active scanning. In addition,
+			 * disable all channels that require radar detection,
+			 * since that (in addition to full DFS) is not yet
+			 * supported.
+			 */
+			if (feature->channels[j].flag &
+			    (HOSTAPD_CHAN_NO_IBSS |
+			     HOSTAPD_CHAN_PASSIVE_SCAN |
+			     HOSTAPD_CHAN_RADAR))
+				feature->channels[j].flag |=
+					HOSTAPD_CHAN_DISABLED;
+			if (feature->channels[j].flag & HOSTAPD_CHAN_DISABLED)
+				continue;
+			wpa_printf(MSG_MSGDUMP, "Allowed channel: mode=%d "
+				   "chan=%d freq=%d MHz max_tx_power=%d dBm",
+				   feature->mode,
+				   feature->channels[j].chan,
+				   feature->channels[j].freq,
+				   feature->channels[j].max_tx_power);
+		}
+	}
+
+	return ret;
+}
+
+
+int hostapd_prepare_rates(struct hostapd_data *hapd,
+			  struct hostapd_hw_modes *mode)
+{
+	int i, num_basic_rates = 0;
+	int basic_rates_a[] = { 60, 120, 240, -1 };
+	int basic_rates_b[] = { 10, 20, -1 };
+	int basic_rates_g[] = { 10, 20, 55, 110, -1 };
+	int *basic_rates;
+
+	if (hapd->iconf->basic_rates)
+		basic_rates = hapd->iconf->basic_rates;
+	else switch (mode->mode) {
+	case HOSTAPD_MODE_IEEE80211A:
+		basic_rates = basic_rates_a;
+		break;
+	case HOSTAPD_MODE_IEEE80211B:
+		basic_rates = basic_rates_b;
+		break;
+	case HOSTAPD_MODE_IEEE80211G:
+		basic_rates = basic_rates_g;
+		break;
+	default:
+		return -1;
+	}
+
+	if (hostapd_set_rate_sets(hapd, hapd->iconf->supported_rates,
+				  basic_rates, mode->mode)) {
+		wpa_printf(MSG_ERROR, "Failed to update rate sets in kernel "
+			   "module");
+	}
+
+	os_free(hapd->iface->current_rates);
+	hapd->iface->num_rates = 0;
+
+	hapd->iface->current_rates =
+		os_zalloc(mode->num_rates * sizeof(struct hostapd_rate_data));
+	if (!hapd->iface->current_rates) {
+		wpa_printf(MSG_ERROR, "Failed to allocate memory for rate "
+			   "table.");
+		return -1;
+	}
+
+	for (i = 0; i < mode->num_rates; i++) {
+		struct hostapd_rate_data *rate;
+
+		if (hapd->iconf->supported_rates &&
+		    !hostapd_rate_found(hapd->iconf->supported_rates,
+					mode->rates[i]))
+			continue;
+
+		rate = &hapd->iface->current_rates[hapd->iface->num_rates];
+		rate->rate = mode->rates[i];
+		if (hostapd_rate_found(basic_rates, rate->rate)) {
+			rate->flags |= HOSTAPD_RATE_BASIC;
+			num_basic_rates++;
+		}
+		wpa_printf(MSG_DEBUG, "RATE[%d] rate=%d flags=0x%x",
+			   hapd->iface->num_rates, rate->rate, rate->flags);
+		hapd->iface->num_rates++;
+	}
+
+	if ((hapd->iface->num_rates == 0 || num_basic_rates == 0) &&
+	    (!hapd->iconf->ieee80211n || !hapd->iconf->require_ht)) {
+		wpa_printf(MSG_ERROR, "No rates remaining in supported/basic "
+			   "rate sets (%d,%d).",
+			   hapd->iface->num_rates, num_basic_rates);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+#ifdef CONFIG_IEEE80211N
+static int ieee80211n_allowed_ht40_channel_pair(struct hostapd_iface *iface)
+{
+	int sec_chan, ok, j, first;
+	int allowed[] = { 36, 44, 52, 60, 100, 108, 116, 124, 132, 149, 157,
+			  184, 192 };
+	size_t k;
+
+	if (!iface->conf->secondary_channel)
+		return 1; /* HT40 not used */
+
+	sec_chan = iface->conf->channel + iface->conf->secondary_channel * 4;
+	wpa_printf(MSG_DEBUG, "HT40: control channel: %d  "
+		   "secondary channel: %d",
+		   iface->conf->channel, sec_chan);
+
+	/* Verify that HT40 secondary channel is an allowed 20 MHz
+	 * channel */
+	ok = 0;
+	for (j = 0; j < iface->current_mode->num_channels; j++) {
+		struct hostapd_channel_data *chan =
+			&iface->current_mode->channels[j];
+		if (!(chan->flag & HOSTAPD_CHAN_DISABLED) &&
+		    chan->chan == sec_chan) {
+			ok = 1;
+			break;
+		}
+	}
+	if (!ok) {
+		wpa_printf(MSG_ERROR, "HT40 secondary channel %d not allowed",
+			   sec_chan);
+		return 0;
+	}
+
+	/*
+	 * Verify that HT40 primary,secondary channel pair is allowed per
+	 * IEEE 802.11n Annex J. This is only needed for 5 GHz band since
+	 * 2.4 GHz rules allow all cases where the secondary channel fits into
+	 * the list of allowed channels (already checked above).
+	 */
+	if (iface->current_mode->mode != HOSTAPD_MODE_IEEE80211A)
+		return 1;
+
+	if (iface->conf->secondary_channel > 0)
+		first = iface->conf->channel;
+	else
+		first = sec_chan;
+
+	ok = 0;
+	for (k = 0; k < sizeof(allowed) / sizeof(allowed[0]); k++) {
+		if (first == allowed[k]) {
+			ok = 1;
+			break;
+		}
+	}
+	if (!ok) {
+		wpa_printf(MSG_ERROR, "HT40 channel pair (%d, %d) not allowed",
+			   iface->conf->channel,
+			   iface->conf->secondary_channel);
+		return 0;
+	}
+
+	return 1;
+}
+
+
+static void ieee80211n_switch_pri_sec(struct hostapd_iface *iface)
+{
+	if (iface->conf->secondary_channel > 0) {
+		iface->conf->channel += 4;
+		iface->conf->secondary_channel = -1;
+	} else {
+		iface->conf->channel -= 4;
+		iface->conf->secondary_channel = 1;
+	}
+}
+
+
+static void ieee80211n_get_pri_sec_chan(struct wpa_scan_res *bss,
+					int *pri_chan, int *sec_chan)
+{
+	struct ieee80211_ht_operation *oper;
+	struct ieee802_11_elems elems;
+
+	*pri_chan = *sec_chan = 0;
+
+	ieee802_11_parse_elems((u8 *) (bss + 1), bss->ie_len, &elems, 0);
+	if (elems.ht_operation &&
+	    elems.ht_operation_len >= sizeof(*oper)) {
+		oper = (struct ieee80211_ht_operation *) elems.ht_operation;
+		*pri_chan = oper->control_chan;
+		if (oper->ht_param & HT_INFO_HT_PARAM_REC_TRANS_CHNL_WIDTH) {
+			int sec = oper->ht_param &
+				HT_INFO_HT_PARAM_SECONDARY_CHNL_OFF_MASK;
+			if (sec == HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE)
+				*sec_chan = *pri_chan + 4;
+			else if (sec == HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW)
+				*sec_chan = *pri_chan - 4;
+		}
+	}
+}
+
+
+static int ieee80211n_check_40mhz_5g(struct hostapd_iface *iface,
+				     struct wpa_scan_results *scan_res)
+{
+	int pri_chan, sec_chan, pri_freq, sec_freq, pri_bss, sec_bss;
+	int bss_pri_chan, bss_sec_chan;
+	size_t i;
+	int match;
+
+	pri_chan = iface->conf->channel;
+	sec_chan = iface->conf->secondary_channel * 4;
+	pri_freq = hostapd_hw_get_freq(iface->bss[0], pri_chan);
+	if (iface->conf->secondary_channel > 0)
+		sec_freq = pri_freq + 20;
+	else
+		sec_freq = pri_freq - 20;
+
+	/*
+	 * Switch PRI/SEC channels if Beacons were detected on selected SEC
+	 * channel, but not on selected PRI channel.
+	 */
+	pri_bss = sec_bss = 0;
+	for (i = 0; i < scan_res->num; i++) {
+		struct wpa_scan_res *bss = scan_res->res[i];
+		if (bss->freq == pri_freq)
+			pri_bss++;
+		else if (bss->freq == sec_freq)
+			sec_bss++;
+	}
+	if (sec_bss && !pri_bss) {
+		wpa_printf(MSG_INFO, "Switch own primary and secondary "
+			   "channel to get secondary channel with no Beacons "
+			   "from other BSSes");
+		ieee80211n_switch_pri_sec(iface);
+	}
+
+	/*
+	 * Match PRI/SEC channel with any existing HT40 BSS on the same
+	 * channels that we are about to use (if already mixed order in
+	 * existing BSSes, use own preference).
+	 */
+	match = 0;
+	for (i = 0; i < scan_res->num; i++) {
+		struct wpa_scan_res *bss = scan_res->res[i];
+		ieee80211n_get_pri_sec_chan(bss, &bss_pri_chan, &bss_sec_chan);
+		if (pri_chan == bss_pri_chan &&
+		    sec_chan == bss_sec_chan) {
+			match = 1;
+			break;
+		}
+	}
+	if (!match) {
+		for (i = 0; i < scan_res->num; i++) {
+			struct wpa_scan_res *bss = scan_res->res[i];
+			ieee80211n_get_pri_sec_chan(bss, &bss_pri_chan,
+						    &bss_sec_chan);
+			if (pri_chan == bss_sec_chan &&
+			    sec_chan == bss_pri_chan) {
+				wpa_printf(MSG_INFO, "Switch own primary and "
+					   "secondary channel due to BSS "
+					   "overlap with " MACSTR,
+					   MAC2STR(bss->bssid));
+				ieee80211n_switch_pri_sec(iface);
+				break;
+			}
+		}
+	}
+
+	return 1;
+}
+
+
+static int ieee80211n_check_40mhz_2g4(struct hostapd_iface *iface,
+				      struct wpa_scan_results *scan_res)
+{
+	int pri_freq, sec_freq;
+	int affected_start, affected_end;
+	size_t i;
+
+	pri_freq = hostapd_hw_get_freq(iface->bss[0], iface->conf->channel);
+	if (iface->conf->secondary_channel > 0)
+		sec_freq = pri_freq + 20;
+	else
+		sec_freq = pri_freq - 20;
+	affected_start = (pri_freq + sec_freq) / 2 - 25;
+	affected_end = (pri_freq + sec_freq) / 2 + 25;
+	wpa_printf(MSG_DEBUG, "40 MHz affected channel range: [%d,%d] MHz",
+		   affected_start, affected_end);
+	for (i = 0; i < scan_res->num; i++) {
+		struct wpa_scan_res *bss = scan_res->res[i];
+		int pri = bss->freq;
+		int sec = pri;
+		int sec_chan, pri_chan;
+
+		ieee80211n_get_pri_sec_chan(bss, &pri_chan, &sec_chan);
+
+		if (sec_chan) {
+			if (sec_chan < pri_chan)
+				sec = pri - 20;
+			else
+				sec = pri + 20;
+		}
+
+		if ((pri < affected_start || pri > affected_end) &&
+		    (sec < affected_start || sec > affected_end))
+			continue; /* not within affected channel range */
+
+		wpa_printf(MSG_DEBUG, "Neighboring BSS: " MACSTR
+			   " freq=%d pri=%d sec=%d",
+			   MAC2STR(bss->bssid), bss->freq, pri_chan, sec_chan);
+
+		if (sec_chan) {
+			if (pri_freq != pri || sec_freq != sec) {
+				wpa_printf(MSG_DEBUG, "40 MHz pri/sec "
+					   "mismatch with BSS " MACSTR
+					   " <%d,%d> (chan=%d%c) vs. <%d,%d>",
+					   MAC2STR(bss->bssid),
+					   pri, sec, pri_chan,
+					   sec > pri ? '+' : '-',
+					   pri_freq, sec_freq);
+				return 0;
+			}
+		}
+
+		/* TODO: 40 MHz intolerant */
+	}
+
+	return 1;
+}
+
+
+static void wpa_scan_results_free(struct wpa_scan_results *res)
+{
+	size_t i;
+
+	if (res == NULL)
+		return;
+
+	for (i = 0; i < res->num; i++)
+		os_free(res->res[i]);
+	os_free(res->res);
+	os_free(res);
+}
+
+
+static void ieee80211n_check_scan(struct hostapd_iface *iface)
+{
+	struct wpa_scan_results *scan_res;
+	int oper40;
+	int res;
+
+	/* Check list of neighboring BSSes (from scan) to see whether 40 MHz is
+	 * allowed per IEEE 802.11n/D7.0, 11.14.3.2 */
+
+	iface->scan_cb = NULL;
+
+	scan_res = hostapd_driver_get_scan_results(iface->bss[0]);
+	if (scan_res == NULL) {
+		hostapd_setup_interface_complete(iface, 1);
+		return;
+	}
+
+	if (iface->current_mode->mode == HOSTAPD_MODE_IEEE80211A)
+		oper40 = ieee80211n_check_40mhz_5g(iface, scan_res);
+	else
+		oper40 = ieee80211n_check_40mhz_2g4(iface, scan_res);
+	wpa_scan_results_free(scan_res);
+
+	if (!oper40) {
+		wpa_printf(MSG_INFO, "20/40 MHz operation not permitted on "
+			   "channel pri=%d sec=%d based on overlapping BSSes",
+			   iface->conf->channel,
+			   iface->conf->channel +
+			   iface->conf->secondary_channel * 4);
+		iface->conf->secondary_channel = 0;
+		iface->conf->ht_capab &= ~HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
+	}
+
+	res = ieee80211n_allowed_ht40_channel_pair(iface);
+	hostapd_setup_interface_complete(iface, !res);
+}
+
+
+static int ieee80211n_check_40mhz(struct hostapd_iface *iface)
+{
+	struct wpa_driver_scan_params params;
+
+	if (!iface->conf->secondary_channel)
+		return 0; /* HT40 not used */
+
+	wpa_printf(MSG_DEBUG, "Scan for neighboring BSSes prior to enabling "
+		   "40 MHz channel");
+	os_memset(&params, 0, sizeof(params));
+	/* TODO: scan only the needed frequency */
+	if (hostapd_driver_scan(iface->bss[0], &params) < 0) {
+		wpa_printf(MSG_ERROR, "Failed to request a scan of "
+			   "neighboring BSSes");
+		return -1;
+	}
+
+	iface->scan_cb = ieee80211n_check_scan;
+	return 1;
+}
+
+
+static int ieee80211n_supported_ht_capab(struct hostapd_iface *iface)
+{
+	u16 hw = iface->current_mode->ht_capab;
+	u16 conf = iface->conf->ht_capab;
+
+	if ((conf & HT_CAP_INFO_LDPC_CODING_CAP) &&
+	    !(hw & HT_CAP_INFO_LDPC_CODING_CAP)) {
+		wpa_printf(MSG_ERROR, "Driver does not support configured "
+			   "HT capability [LDPC]");
+		return 0;
+	}
+
+	if ((conf & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
+	    !(hw & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
+		wpa_printf(MSG_ERROR, "Driver does not support configured "
+			   "HT capability [HT40*]");
+		return 0;
+	}
+
+	if ((conf & HT_CAP_INFO_SMPS_MASK) != (hw & HT_CAP_INFO_SMPS_MASK) &&
+	    (conf & HT_CAP_INFO_SMPS_MASK) != HT_CAP_INFO_SMPS_DISABLED) {
+		wpa_printf(MSG_ERROR, "Driver does not support configured "
+			   "HT capability [SMPS-*]");
+		return 0;
+	}
+
+	if ((conf & HT_CAP_INFO_GREEN_FIELD) &&
+	    !(hw & HT_CAP_INFO_GREEN_FIELD)) {
+		wpa_printf(MSG_ERROR, "Driver does not support configured "
+			   "HT capability [GF]");
+		return 0;
+	}
+
+	if ((conf & HT_CAP_INFO_SHORT_GI20MHZ) &&
+	    !(hw & HT_CAP_INFO_SHORT_GI20MHZ)) {
+		wpa_printf(MSG_ERROR, "Driver does not support configured "
+			   "HT capability [SHORT-GI-20]");
+		return 0;
+	}
+
+	if ((conf & HT_CAP_INFO_SHORT_GI40MHZ) &&
+	    !(hw & HT_CAP_INFO_SHORT_GI40MHZ)) {
+		wpa_printf(MSG_ERROR, "Driver does not support configured "
+			   "HT capability [SHORT-GI-40]");
+		return 0;
+	}
+
+	if ((conf & HT_CAP_INFO_TX_STBC) && !(hw & HT_CAP_INFO_TX_STBC)) {
+		wpa_printf(MSG_ERROR, "Driver does not support configured "
+			   "HT capability [TX-STBC]");
+		return 0;
+	}
+
+	if ((conf & HT_CAP_INFO_RX_STBC_MASK) >
+	    (hw & HT_CAP_INFO_RX_STBC_MASK)) {
+		wpa_printf(MSG_ERROR, "Driver does not support configured "
+			   "HT capability [RX-STBC*]");
+		return 0;
+	}
+
+	if ((conf & HT_CAP_INFO_DELAYED_BA) &&
+	    !(hw & HT_CAP_INFO_DELAYED_BA)) {
+		wpa_printf(MSG_ERROR, "Driver does not support configured "
+			   "HT capability [DELAYED-BA]");
+		return 0;
+	}
+
+	if ((conf & HT_CAP_INFO_MAX_AMSDU_SIZE) &&
+	    !(hw & HT_CAP_INFO_MAX_AMSDU_SIZE)) {
+		wpa_printf(MSG_ERROR, "Driver does not support configured "
+			   "HT capability [MAX-AMSDU-7935]");
+		return 0;
+	}
+
+	if ((conf & HT_CAP_INFO_DSSS_CCK40MHZ) &&
+	    !(hw & HT_CAP_INFO_DSSS_CCK40MHZ)) {
+		wpa_printf(MSG_ERROR, "Driver does not support configured "
+			   "HT capability [DSSS_CCK-40]");
+		return 0;
+	}
+
+	if ((conf & HT_CAP_INFO_PSMP_SUPP) && !(hw & HT_CAP_INFO_PSMP_SUPP)) {
+		wpa_printf(MSG_ERROR, "Driver does not support configured "
+			   "HT capability [PSMP]");
+		return 0;
+	}
+
+	if ((conf & HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT) &&
+	    !(hw & HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT)) {
+		wpa_printf(MSG_ERROR, "Driver does not support configured "
+			   "HT capability [LSIG-TXOP-PROT]");
+		return 0;
+	}
+
+	return 1;
+}
+
+#endif /* CONFIG_IEEE80211N */
+
+
+int hostapd_check_ht_capab(struct hostapd_iface *iface)
+{
+#ifdef CONFIG_IEEE80211N
+	int ret;
+	if (!iface->conf->ieee80211n)
+		return 0;
+	if (!ieee80211n_supported_ht_capab(iface))
+		return -1;
+	ret = ieee80211n_check_40mhz(iface);
+	if (ret)
+		return ret;
+	if (!ieee80211n_allowed_ht40_channel_pair(iface))
+		return -1;
+#endif /* CONFIG_IEEE80211N */
+
+	return 0;
+}
+
+
+/**
+ * hostapd_select_hw_mode - Select the hardware mode
+ * @iface: Pointer to interface data.
+ * Returns: 0 on success, -1 on failure
+ *
+ * Sets up the hardware mode, channel, rates, and passive scanning
+ * based on the configuration.
+ */
+int hostapd_select_hw_mode(struct hostapd_iface *iface)
+{
+	int i, j, ok;
+
+	if (iface->num_hw_features < 1)
+		return -1;
+
+	iface->current_mode = NULL;
+	for (i = 0; i < iface->num_hw_features; i++) {
+		struct hostapd_hw_modes *mode = &iface->hw_features[i];
+		if (mode->mode == iface->conf->hw_mode) {
+			iface->current_mode = mode;
+			break;
+		}
+	}
+
+	if (iface->current_mode == NULL) {
+		wpa_printf(MSG_ERROR, "Hardware does not support configured "
+			   "mode");
+		hostapd_logger(iface->bss[0], NULL, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_WARNING,
+			       "Hardware does not support configured mode "
+			       "(%d)", (int) iface->conf->hw_mode);
+		return -1;
+	}
+
+	ok = 0;
+	for (j = 0; j < iface->current_mode->num_channels; j++) {
+		struct hostapd_channel_data *chan =
+			&iface->current_mode->channels[j];
+		if (!(chan->flag & HOSTAPD_CHAN_DISABLED) &&
+		    (chan->chan == iface->conf->channel)) {
+			ok = 1;
+			break;
+		}
+	}
+	if (ok && iface->conf->secondary_channel) {
+		int sec_ok = 0;
+		int sec_chan = iface->conf->channel +
+			iface->conf->secondary_channel * 4;
+		for (j = 0; j < iface->current_mode->num_channels; j++) {
+			struct hostapd_channel_data *chan =
+				&iface->current_mode->channels[j];
+			if (!(chan->flag & HOSTAPD_CHAN_DISABLED) &&
+			    (chan->chan == sec_chan)) {
+				sec_ok = 1;
+				break;
+			}
+		}
+		if (!sec_ok) {
+			hostapd_logger(iface->bss[0], NULL,
+				       HOSTAPD_MODULE_IEEE80211,
+				       HOSTAPD_LEVEL_WARNING,
+				       "Configured HT40 secondary channel "
+				       "(%d) not found from the channel list "
+				       "of current mode (%d) %s",
+				       sec_chan, iface->current_mode->mode,
+				       hostapd_hw_mode_txt(
+					       iface->current_mode->mode));
+			ok = 0;
+		}
+	}
+	if (iface->conf->channel == 0) {
+		/* TODO: could request a scan of neighboring BSSes and select
+		 * the channel automatically */
+		wpa_printf(MSG_ERROR, "Channel not configured "
+			   "(hw_mode/channel in hostapd.conf)");
+		return -1;
+	}
+	if (ok == 0 && iface->conf->channel != 0) {
+		hostapd_logger(iface->bss[0], NULL,
+			       HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_WARNING,
+			       "Configured channel (%d) not found from the "
+			       "channel list of current mode (%d) %s",
+			       iface->conf->channel,
+			       iface->current_mode->mode,
+			       hostapd_hw_mode_txt(iface->current_mode->mode));
+		iface->current_mode = NULL;
+	}
+
+	if (iface->current_mode == NULL) {
+		hostapd_logger(iface->bss[0], NULL, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_WARNING,
+			       "Hardware does not support configured channel");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+const char * hostapd_hw_mode_txt(int mode)
+{
+	switch (mode) {
+	case HOSTAPD_MODE_IEEE80211A:
+		return "IEEE 802.11a";
+	case HOSTAPD_MODE_IEEE80211B:
+		return "IEEE 802.11b";
+	case HOSTAPD_MODE_IEEE80211G:
+		return "IEEE 802.11g";
+	default:
+		return "UNKNOWN";
+	}
+}
+
+
+int hostapd_hw_get_freq(struct hostapd_data *hapd, int chan)
+{
+	int i;
+
+	if (!hapd->iface->current_mode)
+		return 0;
+
+	for (i = 0; i < hapd->iface->current_mode->num_channels; i++) {
+		struct hostapd_channel_data *ch =
+			&hapd->iface->current_mode->channels[i];
+		if (ch->chan == chan)
+			return ch->freq;
+	}
+
+	return 0;
+}
+
+
+int hostapd_hw_get_channel(struct hostapd_data *hapd, int freq)
+{
+	int i;
+
+	if (!hapd->iface->current_mode)
+		return 0;
+
+	for (i = 0; i < hapd->iface->current_mode->num_channels; i++) {
+		struct hostapd_channel_data *ch =
+			&hapd->iface->current_mode->channels[i];
+		if (ch->freq == freq)
+			return ch->chan;
+	}
+
+	return 0;
+}
diff --git a/src/ap/hw_features.h b/src/ap/hw_features.h
new file mode 100644
index 0000000..88c2322
--- /dev/null
+++ b/src/ap/hw_features.h
@@ -0,0 +1,70 @@
+/*
+ * hostapd / Hardware feature query and different modes
+ * Copyright 2002-2003, Instant802 Networks, Inc.
+ * Copyright 2005-2006, Devicescape Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef HW_FEATURES_H
+#define HW_FEATURES_H
+
+#ifdef NEED_AP_MLME
+void hostapd_free_hw_features(struct hostapd_hw_modes *hw_features,
+			      size_t num_hw_features);
+int hostapd_get_hw_features(struct hostapd_iface *iface);
+int hostapd_select_hw_mode(struct hostapd_iface *iface);
+const char * hostapd_hw_mode_txt(int mode);
+int hostapd_hw_get_freq(struct hostapd_data *hapd, int chan);
+int hostapd_hw_get_channel(struct hostapd_data *hapd, int freq);
+int hostapd_check_ht_capab(struct hostapd_iface *iface);
+int hostapd_prepare_rates(struct hostapd_data *hapd,
+			  struct hostapd_hw_modes *mode);
+#else /* NEED_AP_MLME */
+static inline void
+hostapd_free_hw_features(struct hostapd_hw_modes *hw_features,
+			 size_t num_hw_features)
+{
+}
+
+static inline int hostapd_get_hw_features(struct hostapd_iface *iface)
+{
+	return -1;
+}
+
+static inline int hostapd_select_hw_mode(struct hostapd_iface *iface)
+{
+	return -1;
+}
+
+static inline const char * hostapd_hw_mode_txt(int mode)
+{
+	return NULL;
+}
+
+static inline int hostapd_hw_get_freq(struct hostapd_data *hapd, int chan)
+{
+	return -1;
+}
+
+static inline int hostapd_check_ht_capab(struct hostapd_iface *iface)
+{
+	return 0;
+}
+
+static inline int hostapd_prepare_rates(struct hostapd_data *hapd,
+					struct hostapd_hw_modes *mode)
+{
+	return 0;
+}
+
+#endif /* NEED_AP_MLME */
+
+#endif /* HW_FEATURES_H */
diff --git a/src/ap/iapp.c b/src/ap/iapp.c
new file mode 100644
index 0000000..115d91e
--- /dev/null
+++ b/src/ap/iapp.c
@@ -0,0 +1,535 @@
+/*
+ * hostapd / IEEE 802.11F-2003 Inter-Access Point Protocol (IAPP)
+ * Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * Note: IEEE 802.11F-2003 was a experimental use specification. It has expired
+ * and IEEE has withdrawn it. In other words, it is likely better to look at
+ * using some other mechanism for AP-to-AP communication than extending the
+ * implementation here.
+ */
+
+/* TODO:
+ * Level 1: no administrative or security support
+ *	(e.g., static BSSID to IP address mapping in each AP)
+ * Level 2: support for dynamic mapping of BSSID to IP address
+ * Level 3: support for encryption and authentication of IAPP messages
+ * - add support for MOVE-notify and MOVE-response (this requires support for
+ *   finding out IP address for previous AP using RADIUS)
+ * - add support for Send- and ACK-Security-Block to speedup IEEE 802.1X during
+ *   reassociation to another AP
+ * - implement counters etc. for IAPP MIB
+ * - verify endianness of fields in IAPP messages; are they big-endian as
+ *   used here?
+ * - RADIUS connection for AP registration and BSSID to IP address mapping
+ * - TCP connection for IAPP MOVE, CACHE
+ * - broadcast ESP for IAPP ADD-notify
+ * - ESP for IAPP MOVE messages
+ * - security block sending/processing
+ * - IEEE 802.11 context transfer
+ */
+
+#include "utils/includes.h"
+#include <net/if.h>
+#include <sys/ioctl.h>
+#ifdef USE_KERNEL_HEADERS
+#include <linux/if_packet.h>
+#else /* USE_KERNEL_HEADERS */
+#include <netpacket/packet.h>
+#endif /* USE_KERNEL_HEADERS */
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "common/ieee802_11_defs.h"
+#include "hostapd.h"
+#include "ap_config.h"
+#include "ieee802_11.h"
+#include "sta_info.h"
+#include "iapp.h"
+
+
+#define IAPP_MULTICAST "224.0.1.178"
+#define IAPP_UDP_PORT 3517
+#define IAPP_TCP_PORT 3517
+
+struct iapp_hdr {
+	u8 version;
+	u8 command;
+	be16 identifier;
+	be16 length;
+	/* followed by length-6 octets of data */
+} __attribute__ ((packed));
+
+#define IAPP_VERSION 0
+
+enum IAPP_COMMAND {
+	IAPP_CMD_ADD_notify = 0,
+	IAPP_CMD_MOVE_notify = 1,
+	IAPP_CMD_MOVE_response = 2,
+	IAPP_CMD_Send_Security_Block = 3,
+	IAPP_CMD_ACK_Security_Block = 4,
+	IAPP_CMD_CACHE_notify = 5,
+	IAPP_CMD_CACHE_response = 6,
+};
+
+
+/* ADD-notify - multicast UDP on the local LAN */
+struct iapp_add_notify {
+	u8 addr_len; /* ETH_ALEN */
+	u8 reserved;
+	u8 mac_addr[ETH_ALEN];
+	be16 seq_num;
+} __attribute__ ((packed));
+
+
+/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
+struct iapp_layer2_update {
+	u8 da[ETH_ALEN]; /* broadcast */
+	u8 sa[ETH_ALEN]; /* STA addr */
+	be16 len; /* 6 */
+	u8 dsap; /* null DSAP address */
+	u8 ssap; /* null SSAP address, CR=Response */
+	u8 control;
+	u8 xid_info[3];
+} __attribute__ ((packed));
+
+
+/* MOVE-notify - unicast TCP */
+struct iapp_move_notify {
+	u8 addr_len; /* ETH_ALEN */
+	u8 reserved;
+	u8 mac_addr[ETH_ALEN];
+	u16 seq_num;
+	u16 ctx_block_len;
+	/* followed by ctx_block_len bytes */
+} __attribute__ ((packed));
+
+
+/* MOVE-response - unicast TCP */
+struct iapp_move_response {
+	u8 addr_len; /* ETH_ALEN */
+	u8 status;
+	u8 mac_addr[ETH_ALEN];
+	u16 seq_num;
+	u16 ctx_block_len;
+	/* followed by ctx_block_len bytes */
+} __attribute__ ((packed));
+
+enum {
+	IAPP_MOVE_SUCCESSFUL = 0,
+	IAPP_MOVE_DENIED = 1,
+	IAPP_MOVE_STALE_MOVE = 2,
+};
+
+
+/* CACHE-notify */
+struct iapp_cache_notify {
+	u8 addr_len; /* ETH_ALEN */
+	u8 reserved;
+	u8 mac_addr[ETH_ALEN];
+	u16 seq_num;
+	u8 current_ap[ETH_ALEN];
+	u16 ctx_block_len;
+	/* ctx_block_len bytes of context block followed by 16-bit context
+	 * timeout */
+} __attribute__ ((packed));
+
+
+/* CACHE-response - unicast TCP */
+struct iapp_cache_response {
+	u8 addr_len; /* ETH_ALEN */
+	u8 status;
+	u8 mac_addr[ETH_ALEN];
+	u16 seq_num;
+} __attribute__ ((packed));
+
+enum {
+	IAPP_CACHE_SUCCESSFUL = 0,
+	IAPP_CACHE_STALE_CACHE = 1,
+};
+
+
+/* Send-Security-Block - unicast TCP */
+struct iapp_send_security_block {
+	u8 iv[8];
+	u16 sec_block_len;
+	/* followed by sec_block_len bytes of security block */
+} __attribute__ ((packed));
+
+
+/* ACK-Security-Block - unicast TCP */
+struct iapp_ack_security_block {
+	u8 iv[8];
+	u8 new_ap_ack_authenticator[48];
+} __attribute__ ((packed));
+
+
+struct iapp_data {
+	struct hostapd_data *hapd;
+	u16 identifier; /* next IAPP identifier */
+	struct in_addr own, multicast;
+	int udp_sock;
+	int packet_sock;
+};
+
+
+static void iapp_send_add(struct iapp_data *iapp, u8 *mac_addr, u16 seq_num)
+{
+	char buf[128];
+	struct iapp_hdr *hdr;
+	struct iapp_add_notify *add;
+	struct sockaddr_in addr;
+
+	/* Send IAPP ADD-notify to remove possible association from other APs
+	 */
+
+	hdr = (struct iapp_hdr *) buf;
+	hdr->version = IAPP_VERSION;
+	hdr->command = IAPP_CMD_ADD_notify;
+	hdr->identifier = host_to_be16(iapp->identifier++);
+	hdr->length = host_to_be16(sizeof(*hdr) + sizeof(*add));
+
+	add = (struct iapp_add_notify *) (hdr + 1);
+	add->addr_len = ETH_ALEN;
+	add->reserved = 0;
+	os_memcpy(add->mac_addr, mac_addr, ETH_ALEN);
+
+	add->seq_num = host_to_be16(seq_num);
+	
+	os_memset(&addr, 0, sizeof(addr));
+	addr.sin_family = AF_INET;
+	addr.sin_addr.s_addr = iapp->multicast.s_addr;
+	addr.sin_port = htons(IAPP_UDP_PORT);
+	if (sendto(iapp->udp_sock, buf, (char *) (add + 1) - buf, 0,
+		   (struct sockaddr *) &addr, sizeof(addr)) < 0)
+		perror("sendto[IAPP-ADD]");
+}
+
+
+static void iapp_send_layer2_update(struct iapp_data *iapp, u8 *addr)
+{
+	struct iapp_layer2_update msg;
+
+	/* Send Level 2 Update Frame to update forwarding tables in layer 2
+	 * bridge devices */
+
+	/* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
+	 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
+
+	os_memset(msg.da, 0xff, ETH_ALEN);
+	os_memcpy(msg.sa, addr, ETH_ALEN);
+	msg.len = host_to_be16(6);
+	msg.dsap = 0; /* NULL DSAP address */
+	msg.ssap = 0x01; /* NULL SSAP address, CR Bit: Response */
+	msg.control = 0xaf; /* XID response lsb.1111F101.
+			     * F=0 (no poll command; unsolicited frame) */
+	msg.xid_info[0] = 0x81; /* XID format identifier */
+	msg.xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
+	msg.xid_info[2] = 1 << 1; /* XID sender's receive window size (RW)
+				   * FIX: what is correct RW with 802.11? */
+
+	if (send(iapp->packet_sock, &msg, sizeof(msg), 0) < 0)
+		perror("send[L2 Update]");
+}
+
+
+/**
+ * iapp_new_station - IAPP processing for a new STA
+ * @iapp: IAPP data
+ * @sta: The associated station
+ */
+void iapp_new_station(struct iapp_data *iapp, struct sta_info *sta)
+{
+	struct ieee80211_mgmt *assoc;
+	u16 seq;
+
+	if (iapp == NULL)
+		return;
+
+	assoc = sta->last_assoc_req;
+	seq = assoc ? WLAN_GET_SEQ_SEQ(le_to_host16(assoc->seq_ctrl)) : 0;
+
+	/* IAPP-ADD.request(MAC Address, Sequence Number, Timeout) */
+	hostapd_logger(iapp->hapd, sta->addr, HOSTAPD_MODULE_IAPP,
+		       HOSTAPD_LEVEL_DEBUG, "IAPP-ADD.request(seq=%d)", seq);
+	iapp_send_layer2_update(iapp, sta->addr);
+	iapp_send_add(iapp, sta->addr, seq);
+
+	if (assoc && WLAN_FC_GET_STYPE(le_to_host16(assoc->frame_control)) ==
+	    WLAN_FC_STYPE_REASSOC_REQ) {
+		/* IAPP-MOVE.request(MAC Address, Sequence Number, Old AP,
+		 *                   Context Block, Timeout)
+		 */
+		/* TODO: Send IAPP-MOVE to the old AP; Map Old AP BSSID to
+		 * IP address */
+	}
+}
+
+
+static void iapp_process_add_notify(struct iapp_data *iapp,
+				    struct sockaddr_in *from,
+				    struct iapp_hdr *hdr, int len)
+{
+	struct iapp_add_notify *add = (struct iapp_add_notify *) (hdr + 1);
+	struct sta_info *sta;
+
+	if (len != sizeof(*add)) {
+		printf("Invalid IAPP-ADD packet length %d (expected %lu)\n",
+		       len, (unsigned long) sizeof(*add));
+		return;
+	}
+
+	sta = ap_get_sta(iapp->hapd, add->mac_addr);
+
+	/* IAPP-ADD.indication(MAC Address, Sequence Number) */
+	hostapd_logger(iapp->hapd, add->mac_addr, HOSTAPD_MODULE_IAPP,
+		       HOSTAPD_LEVEL_INFO,
+		       "Received IAPP ADD-notify (seq# %d) from %s:%d%s",
+		       be_to_host16(add->seq_num),
+		       inet_ntoa(from->sin_addr), ntohs(from->sin_port),
+		       sta ? "" : " (STA not found)");
+
+	if (!sta)
+		return;
+
+	/* TODO: could use seq_num to try to determine whether last association
+	 * to this AP is newer than the one advertised in IAPP-ADD. Although,
+	 * this is not really a reliable verification. */
+
+	hostapd_logger(iapp->hapd, add->mac_addr, HOSTAPD_MODULE_IAPP,
+		       HOSTAPD_LEVEL_DEBUG,
+		       "Removing STA due to IAPP ADD-notify");
+	ap_sta_disconnect(iapp->hapd, sta, NULL, 0);
+}
+
+
+/**
+ * iapp_receive_udp - Process IAPP UDP frames
+ * @sock: File descriptor for the socket
+ * @eloop_ctx: IAPP data (struct iapp_data *)
+ * @sock_ctx: Not used
+ */
+static void iapp_receive_udp(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	struct iapp_data *iapp = eloop_ctx;
+	int len, hlen;
+	unsigned char buf[128];
+	struct sockaddr_in from;
+	socklen_t fromlen;
+	struct iapp_hdr *hdr;
+
+	/* Handle incoming IAPP frames (over UDP/IP) */
+
+	fromlen = sizeof(from);
+	len = recvfrom(iapp->udp_sock, buf, sizeof(buf), 0,
+		       (struct sockaddr *) &from, &fromlen);
+	if (len < 0) {
+		perror("recvfrom");
+		return;
+	}
+
+	if (from.sin_addr.s_addr == iapp->own.s_addr)
+		return; /* ignore own IAPP messages */
+
+	hostapd_logger(iapp->hapd, NULL, HOSTAPD_MODULE_IAPP,
+		       HOSTAPD_LEVEL_DEBUG,
+		       "Received %d byte IAPP frame from %s%s\n",
+		       len, inet_ntoa(from.sin_addr),
+		       len < (int) sizeof(*hdr) ? " (too short)" : "");
+
+	if (len < (int) sizeof(*hdr))
+		return;
+
+	hdr = (struct iapp_hdr *) buf;
+	hlen = be_to_host16(hdr->length);
+	hostapd_logger(iapp->hapd, NULL, HOSTAPD_MODULE_IAPP,
+		       HOSTAPD_LEVEL_DEBUG,
+		       "RX: version=%d command=%d id=%d len=%d\n",
+		       hdr->version, hdr->command,
+		       be_to_host16(hdr->identifier), hlen);
+	if (hdr->version != IAPP_VERSION) {
+		printf("Dropping IAPP frame with unknown version %d\n",
+		       hdr->version);
+		return;
+	}
+	if (hlen > len) {
+		printf("Underflow IAPP frame (hlen=%d len=%d)\n", hlen, len);
+		return;
+	}
+	if (hlen < len) {
+		printf("Ignoring %d extra bytes from IAPP frame\n",
+		       len - hlen);
+		len = hlen;
+	}
+
+	switch (hdr->command) {
+	case IAPP_CMD_ADD_notify:
+		iapp_process_add_notify(iapp, &from, hdr, hlen - sizeof(*hdr));
+		break;
+	case IAPP_CMD_MOVE_notify:
+		/* TODO: MOVE is using TCP; so move this to TCP handler once it
+		 * is implemented.. */
+		/* IAPP-MOVE.indication(MAC Address, New BSSID,
+		 * Sequence Number, AP Address, Context Block) */
+		/* TODO: process */
+		break;
+	default:
+		printf("Unknown IAPP command %d\n", hdr->command);
+		break;
+	}
+}
+
+
+struct iapp_data * iapp_init(struct hostapd_data *hapd, const char *iface)
+{
+	struct ifreq ifr;
+	struct sockaddr_ll addr;
+	int ifindex;
+	struct sockaddr_in *paddr, uaddr;
+	struct iapp_data *iapp;
+	struct ip_mreqn mreq;
+
+	iapp = os_zalloc(sizeof(*iapp));
+	if (iapp == NULL)
+		return NULL;
+	iapp->hapd = hapd;
+	iapp->udp_sock = iapp->packet_sock = -1;
+
+	/* TODO:
+	 * open socket for sending and receiving IAPP frames over TCP
+	 */
+
+	iapp->udp_sock = socket(PF_INET, SOCK_DGRAM, 0);
+	if (iapp->udp_sock < 0) {
+		perror("socket[PF_INET,SOCK_DGRAM]");
+		iapp_deinit(iapp);
+		return NULL;
+	}
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, iface, sizeof(ifr.ifr_name));
+	if (ioctl(iapp->udp_sock, SIOCGIFINDEX, &ifr) != 0) {
+		perror("ioctl(SIOCGIFINDEX)");
+		iapp_deinit(iapp);
+		return NULL;
+	}
+	ifindex = ifr.ifr_ifindex;
+
+	if (ioctl(iapp->udp_sock, SIOCGIFADDR, &ifr) != 0) {
+		perror("ioctl(SIOCGIFADDR)");
+		iapp_deinit(iapp);
+		return NULL;
+	}
+	paddr = (struct sockaddr_in *) &ifr.ifr_addr;
+	if (paddr->sin_family != AF_INET) {
+		printf("Invalid address family %i (SIOCGIFADDR)\n",
+		       paddr->sin_family);
+		iapp_deinit(iapp);
+		return NULL;
+	}
+	iapp->own.s_addr = paddr->sin_addr.s_addr;
+
+	if (ioctl(iapp->udp_sock, SIOCGIFBRDADDR, &ifr) != 0) {
+		perror("ioctl(SIOCGIFBRDADDR)");
+		iapp_deinit(iapp);
+		return NULL;
+	}
+	paddr = (struct sockaddr_in *) &ifr.ifr_addr;
+	if (paddr->sin_family != AF_INET) {
+		printf("Invalid address family %i (SIOCGIFBRDADDR)\n",
+		       paddr->sin_family);
+		iapp_deinit(iapp);
+		return NULL;
+	}
+	inet_aton(IAPP_MULTICAST, &iapp->multicast);
+
+	os_memset(&uaddr, 0, sizeof(uaddr));
+	uaddr.sin_family = AF_INET;
+	uaddr.sin_port = htons(IAPP_UDP_PORT);
+	if (bind(iapp->udp_sock, (struct sockaddr *) &uaddr,
+		 sizeof(uaddr)) < 0) {
+		perror("bind[UDP]");
+		iapp_deinit(iapp);
+		return NULL;
+	}
+
+	os_memset(&mreq, 0, sizeof(mreq));
+	mreq.imr_multiaddr = iapp->multicast;
+	mreq.imr_address.s_addr = INADDR_ANY;
+	mreq.imr_ifindex = 0;
+	if (setsockopt(iapp->udp_sock, SOL_IP, IP_ADD_MEMBERSHIP, &mreq,
+		       sizeof(mreq)) < 0) {
+		perror("setsockopt[UDP,IP_ADD_MEMBERSHIP]");
+		iapp_deinit(iapp);
+		return NULL;
+	}
+
+	iapp->packet_sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
+	if (iapp->packet_sock < 0) {
+		perror("socket[PF_PACKET,SOCK_RAW]");
+		iapp_deinit(iapp);
+		return NULL;
+	}
+
+	os_memset(&addr, 0, sizeof(addr));
+	addr.sll_family = AF_PACKET;
+	addr.sll_ifindex = ifindex;
+	if (bind(iapp->packet_sock, (struct sockaddr *) &addr,
+		 sizeof(addr)) < 0) {
+		perror("bind[PACKET]");
+		iapp_deinit(iapp);
+		return NULL;
+	}
+
+	if (eloop_register_read_sock(iapp->udp_sock, iapp_receive_udp,
+				     iapp, NULL)) {
+		printf("Could not register read socket for IAPP.\n");
+		iapp_deinit(iapp);
+		return NULL;
+	}
+
+	printf("IEEE 802.11F (IAPP) using interface %s\n", iface);
+
+	/* TODO: For levels 2 and 3: send RADIUS Initiate-Request, receive
+	 * RADIUS Initiate-Accept or Initiate-Reject. IAPP port should actually
+	 * be openned only after receiving Initiate-Accept. If Initiate-Reject
+	 * is received, IAPP is not started. */
+
+	return iapp;
+}
+
+
+void iapp_deinit(struct iapp_data *iapp)
+{
+	struct ip_mreqn mreq;
+
+	if (iapp == NULL)
+		return;
+
+	if (iapp->udp_sock >= 0) {
+		os_memset(&mreq, 0, sizeof(mreq));
+		mreq.imr_multiaddr = iapp->multicast;
+		mreq.imr_address.s_addr = INADDR_ANY;
+		mreq.imr_ifindex = 0;
+		if (setsockopt(iapp->udp_sock, SOL_IP, IP_DROP_MEMBERSHIP,
+			       &mreq, sizeof(mreq)) < 0) {
+			perror("setsockopt[UDP,IP_DEL_MEMBERSHIP]");
+		}
+
+		eloop_unregister_read_sock(iapp->udp_sock);
+		close(iapp->udp_sock);
+	}
+	if (iapp->packet_sock >= 0) {
+		eloop_unregister_read_sock(iapp->packet_sock);
+		close(iapp->packet_sock);
+	}
+	os_free(iapp);
+}
diff --git a/src/ap/iapp.h b/src/ap/iapp.h
new file mode 100644
index 0000000..5fc01cb
--- /dev/null
+++ b/src/ap/iapp.h
@@ -0,0 +1,45 @@
+/*
+ * hostapd / IEEE 802.11F-2003 Inter-Access Point Protocol (IAPP)
+ * Copyright (c) 2002-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef IAPP_H
+#define IAPP_H
+
+struct iapp_data;
+
+#ifdef CONFIG_IAPP
+
+void iapp_new_station(struct iapp_data *iapp, struct sta_info *sta);
+struct iapp_data * iapp_init(struct hostapd_data *hapd, const char *iface);
+void iapp_deinit(struct iapp_data *iapp);
+
+#else /* CONFIG_IAPP */
+
+static inline void iapp_new_station(struct iapp_data *iapp,
+				    struct sta_info *sta)
+{
+}
+
+static inline struct iapp_data * iapp_init(struct hostapd_data *hapd,
+					   const char *iface)
+{
+	return NULL;
+}
+
+static inline void iapp_deinit(struct iapp_data *iapp)
+{
+}
+
+#endif /* CONFIG_IAPP */
+
+#endif /* IAPP_H */
diff --git a/src/ap/ieee802_11.c b/src/ap/ieee802_11.c
new file mode 100644
index 0000000..4d8dd25
--- /dev/null
+++ b/src/ap/ieee802_11.c
@@ -0,0 +1,1882 @@
+/*
+ * hostapd / IEEE 802.11 Management
+ * Copyright (c) 2002-2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#ifndef CONFIG_NATIVE_WINDOWS
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "crypto/crypto.h"
+#include "drivers/driver.h"
+#include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
+#include "common/wpa_ctrl.h"
+#include "radius/radius.h"
+#include "radius/radius_client.h"
+#include "p2p/p2p.h"
+#include "wps/wps.h"
+#include "hostapd.h"
+#include "beacon.h"
+#include "ieee802_11_auth.h"
+#include "sta_info.h"
+#include "ieee802_1x.h"
+#include "wpa_auth.h"
+#include "wmm.h"
+#include "ap_list.h"
+#include "accounting.h"
+#include "ap_config.h"
+#include "ap_mlme.h"
+#include "p2p_hostapd.h"
+#include "ap_drv_ops.h"
+#include "ieee802_11.h"
+
+
+u8 * hostapd_eid_supp_rates(struct hostapd_data *hapd, u8 *eid)
+{
+	u8 *pos = eid;
+	int i, num, count;
+
+	if (hapd->iface->current_rates == NULL)
+		return eid;
+
+	*pos++ = WLAN_EID_SUPP_RATES;
+	num = hapd->iface->num_rates;
+	if (hapd->iconf->ieee80211n && hapd->iconf->require_ht)
+		num++;
+	if (num > 8) {
+		/* rest of the rates are encoded in Extended supported
+		 * rates element */
+		num = 8;
+	}
+
+	*pos++ = num;
+	count = 0;
+	for (i = 0, count = 0; i < hapd->iface->num_rates && count < num;
+	     i++) {
+		count++;
+		*pos = hapd->iface->current_rates[i].rate / 5;
+		if (hapd->iface->current_rates[i].flags & HOSTAPD_RATE_BASIC)
+			*pos |= 0x80;
+		pos++;
+	}
+
+	if (hapd->iconf->ieee80211n && hapd->iconf->require_ht &&
+	    hapd->iface->num_rates < 8)
+		*pos++ = 0x80 | BSS_MEMBERSHIP_SELECTOR_HT_PHY;
+
+	return pos;
+}
+
+
+u8 * hostapd_eid_ext_supp_rates(struct hostapd_data *hapd, u8 *eid)
+{
+	u8 *pos = eid;
+	int i, num, count;
+
+	if (hapd->iface->current_rates == NULL)
+		return eid;
+
+	num = hapd->iface->num_rates;
+	if (hapd->iconf->ieee80211n && hapd->iconf->require_ht)
+		num++;
+	if (num <= 8)
+		return eid;
+	num -= 8;
+
+	*pos++ = WLAN_EID_EXT_SUPP_RATES;
+	*pos++ = num;
+	count = 0;
+	for (i = 0, count = 0; i < hapd->iface->num_rates && count < num + 8;
+	     i++) {
+		count++;
+		if (count <= 8)
+			continue; /* already in SuppRates IE */
+		*pos = hapd->iface->current_rates[i].rate / 5;
+		if (hapd->iface->current_rates[i].flags & HOSTAPD_RATE_BASIC)
+			*pos |= 0x80;
+		pos++;
+	}
+
+	if (hapd->iconf->ieee80211n && hapd->iconf->require_ht &&
+	    hapd->iface->num_rates >= 8)
+		*pos++ = 0x80 | BSS_MEMBERSHIP_SELECTOR_HT_PHY;
+
+	return pos;
+}
+
+
+u16 hostapd_own_capab_info(struct hostapd_data *hapd, struct sta_info *sta,
+			   int probe)
+{
+	int capab = WLAN_CAPABILITY_ESS;
+	int privacy;
+
+	if (hapd->iface->num_sta_no_short_preamble == 0 &&
+	    hapd->iconf->preamble == SHORT_PREAMBLE)
+		capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
+
+	privacy = hapd->conf->ssid.wep.keys_set;
+
+	if (hapd->conf->ieee802_1x &&
+	    (hapd->conf->default_wep_key_len ||
+	     hapd->conf->individual_wep_key_len))
+		privacy = 1;
+
+	if (hapd->conf->wpa)
+		privacy = 1;
+
+	if (sta) {
+		int policy, def_klen;
+		if (probe && sta->ssid_probe) {
+			policy = sta->ssid_probe->security_policy;
+			def_klen = sta->ssid_probe->wep.default_len;
+		} else {
+			policy = sta->ssid->security_policy;
+			def_klen = sta->ssid->wep.default_len;
+		}
+		privacy = policy != SECURITY_PLAINTEXT;
+		if (policy == SECURITY_IEEE_802_1X && def_klen == 0)
+			privacy = 0;
+	}
+
+	if (privacy)
+		capab |= WLAN_CAPABILITY_PRIVACY;
+
+	if (hapd->iface->current_mode &&
+	    hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G &&
+	    hapd->iface->num_sta_no_short_slot_time == 0)
+		capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
+
+	return capab;
+}
+
+
+u8 * hostapd_eid_ext_capab(struct hostapd_data *hapd, u8 *eid)
+{
+	u8 *pos = eid;
+
+	if ((hapd->conf->tdls & (TDLS_PROHIBIT | TDLS_PROHIBIT_CHAN_SWITCH)) ==
+	    0)
+		return eid;
+
+	*pos++ = WLAN_EID_EXT_CAPAB;
+	*pos++ = 5;
+	*pos++ = 0x00;
+	*pos++ = 0x00;
+	*pos++ = 0x00;
+	*pos++ = 0x00;
+	*pos = 0x00;
+	if (hapd->conf->tdls & TDLS_PROHIBIT)
+		*pos |= 0x40; /* Bit 38 - TDLS Prohibited */
+	if (hapd->conf->tdls & TDLS_PROHIBIT_CHAN_SWITCH)
+		*pos |= 0x80; /* Bit 39 - TDLS Channel Switching Prohibited */
+	pos++;
+
+	return pos;
+}
+
+
+#ifdef CONFIG_IEEE80211W
+static u8 * hostapd_eid_assoc_comeback_time(struct hostapd_data *hapd,
+					    struct sta_info *sta, u8 *eid)
+{
+	u8 *pos = eid;
+	u32 timeout, tu;
+	struct os_time now, passed;
+
+	*pos++ = WLAN_EID_TIMEOUT_INTERVAL;
+	*pos++ = 5;
+	*pos++ = WLAN_TIMEOUT_ASSOC_COMEBACK;
+	os_get_time(&now);
+	os_time_sub(&now, &sta->sa_query_start, &passed);
+	tu = (passed.sec * 1000000 + passed.usec) / 1024;
+	if (hapd->conf->assoc_sa_query_max_timeout > tu)
+		timeout = hapd->conf->assoc_sa_query_max_timeout - tu;
+	else
+		timeout = 0;
+	if (timeout < hapd->conf->assoc_sa_query_max_timeout)
+		timeout++; /* add some extra time for local timers */
+	WPA_PUT_LE32(pos, timeout);
+	pos += 4;
+
+	return pos;
+}
+#endif /* CONFIG_IEEE80211W */
+
+
+void ieee802_11_print_ssid(char *buf, const u8 *ssid, u8 len)
+{
+	int i;
+	if (len > HOSTAPD_MAX_SSID_LEN)
+		len = HOSTAPD_MAX_SSID_LEN;
+	for (i = 0; i < len; i++) {
+		if (ssid[i] >= 32 && ssid[i] < 127)
+			buf[i] = ssid[i];
+		else
+			buf[i] = '.';
+	}
+	buf[len] = '\0';
+}
+
+
+static u16 auth_shared_key(struct hostapd_data *hapd, struct sta_info *sta,
+			   u16 auth_transaction, const u8 *challenge,
+			   int iswep)
+{
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_DEBUG,
+		       "authentication (shared key, transaction %d)",
+		       auth_transaction);
+
+	if (auth_transaction == 1) {
+		if (!sta->challenge) {
+			/* Generate a pseudo-random challenge */
+			u8 key[8];
+			struct os_time now;
+			int r;
+			sta->challenge = os_zalloc(WLAN_AUTH_CHALLENGE_LEN);
+			if (sta->challenge == NULL)
+				return WLAN_STATUS_UNSPECIFIED_FAILURE;
+
+			os_get_time(&now);
+			r = os_random();
+			os_memcpy(key, &now.sec, 4);
+			os_memcpy(key + 4, &r, 4);
+			rc4_skip(key, sizeof(key), 0,
+				 sta->challenge, WLAN_AUTH_CHALLENGE_LEN);
+		}
+		return 0;
+	}
+
+	if (auth_transaction != 3)
+		return WLAN_STATUS_UNSPECIFIED_FAILURE;
+
+	/* Transaction 3 */
+	if (!iswep || !sta->challenge || !challenge ||
+	    os_memcmp(sta->challenge, challenge, WLAN_AUTH_CHALLENGE_LEN)) {
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_INFO,
+			       "shared key authentication - invalid "
+			       "challenge-response");
+		return WLAN_STATUS_CHALLENGE_FAIL;
+	}
+
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_DEBUG,
+		       "authentication OK (shared key)");
+#ifdef IEEE80211_REQUIRE_AUTH_ACK
+	/* Station will be marked authenticated if it ACKs the
+	 * authentication reply. */
+#else
+	sta->flags |= WLAN_STA_AUTH;
+	wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH);
+#endif
+	os_free(sta->challenge);
+	sta->challenge = NULL;
+
+	return 0;
+}
+
+
+static void send_auth_reply(struct hostapd_data *hapd,
+			    const u8 *dst, const u8 *bssid,
+			    u16 auth_alg, u16 auth_transaction, u16 resp,
+			    const u8 *ies, size_t ies_len)
+{
+	struct ieee80211_mgmt *reply;
+	u8 *buf;
+	size_t rlen;
+
+	rlen = IEEE80211_HDRLEN + sizeof(reply->u.auth) + ies_len;
+	buf = os_zalloc(rlen);
+	if (buf == NULL)
+		return;
+
+	reply = (struct ieee80211_mgmt *) buf;
+	reply->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
+					    WLAN_FC_STYPE_AUTH);
+	os_memcpy(reply->da, dst, ETH_ALEN);
+	os_memcpy(reply->sa, hapd->own_addr, ETH_ALEN);
+	os_memcpy(reply->bssid, bssid, ETH_ALEN);
+
+	reply->u.auth.auth_alg = host_to_le16(auth_alg);
+	reply->u.auth.auth_transaction = host_to_le16(auth_transaction);
+	reply->u.auth.status_code = host_to_le16(resp);
+
+	if (ies && ies_len)
+		os_memcpy(reply->u.auth.variable, ies, ies_len);
+
+	wpa_printf(MSG_DEBUG, "authentication reply: STA=" MACSTR
+		   " auth_alg=%d auth_transaction=%d resp=%d (IE len=%lu)",
+		   MAC2STR(dst), auth_alg, auth_transaction,
+		   resp, (unsigned long) ies_len);
+	if (hostapd_drv_send_mlme(hapd, reply, rlen) < 0)
+		perror("send_auth_reply: send");
+
+	os_free(buf);
+}
+
+
+#ifdef CONFIG_IEEE80211R
+static void handle_auth_ft_finish(void *ctx, const u8 *dst, const u8 *bssid,
+				  u16 auth_transaction, u16 status,
+				  const u8 *ies, size_t ies_len)
+{
+	struct hostapd_data *hapd = ctx;
+	struct sta_info *sta;
+
+	send_auth_reply(hapd, dst, bssid, WLAN_AUTH_FT, auth_transaction,
+			status, ies, ies_len);
+
+	if (status != WLAN_STATUS_SUCCESS)
+		return;
+
+	sta = ap_get_sta(hapd, dst);
+	if (sta == NULL)
+		return;
+
+	hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)");
+	sta->flags |= WLAN_STA_AUTH;
+	mlme_authenticate_indication(hapd, sta);
+}
+#endif /* CONFIG_IEEE80211R */
+
+
+static void handle_auth(struct hostapd_data *hapd,
+			const struct ieee80211_mgmt *mgmt, size_t len)
+{
+	u16 auth_alg, auth_transaction, status_code;
+	u16 resp = WLAN_STATUS_SUCCESS;
+	struct sta_info *sta = NULL;
+	int res;
+	u16 fc;
+	const u8 *challenge = NULL;
+	u32 session_timeout, acct_interim_interval;
+	int vlan_id = 0;
+	u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN];
+	size_t resp_ies_len = 0;
+
+	if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.auth)) {
+		printf("handle_auth - too short payload (len=%lu)\n",
+		       (unsigned long) len);
+		return;
+	}
+
+	auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
+	auth_transaction = le_to_host16(mgmt->u.auth.auth_transaction);
+	status_code = le_to_host16(mgmt->u.auth.status_code);
+	fc = le_to_host16(mgmt->frame_control);
+
+	if (len >= IEEE80211_HDRLEN + sizeof(mgmt->u.auth) +
+	    2 + WLAN_AUTH_CHALLENGE_LEN &&
+	    mgmt->u.auth.variable[0] == WLAN_EID_CHALLENGE &&
+	    mgmt->u.auth.variable[1] == WLAN_AUTH_CHALLENGE_LEN)
+		challenge = &mgmt->u.auth.variable[2];
+
+	wpa_printf(MSG_DEBUG, "authentication: STA=" MACSTR " auth_alg=%d "
+		   "auth_transaction=%d status_code=%d wep=%d%s",
+		   MAC2STR(mgmt->sa), auth_alg, auth_transaction,
+		   status_code, !!(fc & WLAN_FC_ISWEP),
+		   challenge ? " challenge" : "");
+
+	if (hapd->tkip_countermeasures) {
+		resp = WLAN_REASON_MICHAEL_MIC_FAILURE;
+		goto fail;
+	}
+
+	if (!(((hapd->conf->auth_algs & WPA_AUTH_ALG_OPEN) &&
+	       auth_alg == WLAN_AUTH_OPEN) ||
+#ifdef CONFIG_IEEE80211R
+	      (hapd->conf->wpa &&
+	       (hapd->conf->wpa_key_mgmt &
+		(WPA_KEY_MGMT_FT_IEEE8021X | WPA_KEY_MGMT_FT_PSK)) &&
+	       auth_alg == WLAN_AUTH_FT) ||
+#endif /* CONFIG_IEEE80211R */
+	      ((hapd->conf->auth_algs & WPA_AUTH_ALG_SHARED) &&
+	       auth_alg == WLAN_AUTH_SHARED_KEY))) {
+		printf("Unsupported authentication algorithm (%d)\n",
+		       auth_alg);
+		resp = WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG;
+		goto fail;
+	}
+
+	if (!(auth_transaction == 1 ||
+	      (auth_alg == WLAN_AUTH_SHARED_KEY && auth_transaction == 3))) {
+		printf("Unknown authentication transaction number (%d)\n",
+		       auth_transaction);
+		resp = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION;
+		goto fail;
+	}
+
+	if (os_memcmp(mgmt->sa, hapd->own_addr, ETH_ALEN) == 0) {
+		printf("Station " MACSTR " not allowed to authenticate.\n",
+		       MAC2STR(mgmt->sa));
+		resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
+		goto fail;
+	}
+
+	res = hostapd_allowed_address(hapd, mgmt->sa, (u8 *) mgmt, len,
+				      &session_timeout,
+				      &acct_interim_interval, &vlan_id);
+	if (res == HOSTAPD_ACL_REJECT) {
+		printf("Station " MACSTR " not allowed to authenticate.\n",
+		       MAC2STR(mgmt->sa));
+		resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
+		goto fail;
+	}
+	if (res == HOSTAPD_ACL_PENDING) {
+		wpa_printf(MSG_DEBUG, "Authentication frame from " MACSTR
+			   " waiting for an external authentication",
+			   MAC2STR(mgmt->sa));
+		/* Authentication code will re-send the authentication frame
+		 * after it has received (and cached) information from the
+		 * external source. */
+		return;
+	}
+
+	sta = ap_sta_add(hapd, mgmt->sa);
+	if (!sta) {
+		resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
+		goto fail;
+	}
+
+	if (vlan_id > 0) {
+		if (hostapd_get_vlan_id_ifname(hapd->conf->vlan,
+					       vlan_id) == NULL) {
+			hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
+				       HOSTAPD_LEVEL_INFO, "Invalid VLAN ID "
+				       "%d received from RADIUS server",
+				       vlan_id);
+			resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
+			goto fail;
+		}
+		sta->vlan_id = vlan_id;
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
+			       HOSTAPD_LEVEL_INFO, "VLAN ID %d", sta->vlan_id);
+	}
+
+	sta->flags &= ~WLAN_STA_PREAUTH;
+	ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
+
+	if (hapd->conf->acct_interim_interval == 0 && acct_interim_interval)
+		sta->acct_interim_interval = acct_interim_interval;
+	if (res == HOSTAPD_ACL_ACCEPT_TIMEOUT)
+		ap_sta_session_timeout(hapd, sta, session_timeout);
+	else
+		ap_sta_no_session_timeout(hapd, sta);
+
+	switch (auth_alg) {
+	case WLAN_AUTH_OPEN:
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_DEBUG,
+			       "authentication OK (open system)");
+#ifdef IEEE80211_REQUIRE_AUTH_ACK
+		/* Station will be marked authenticated if it ACKs the
+		 * authentication reply. */
+#else
+		sta->flags |= WLAN_STA_AUTH;
+		wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH);
+		sta->auth_alg = WLAN_AUTH_OPEN;
+		mlme_authenticate_indication(hapd, sta);
+#endif
+		break;
+	case WLAN_AUTH_SHARED_KEY:
+		resp = auth_shared_key(hapd, sta, auth_transaction, challenge,
+				       fc & WLAN_FC_ISWEP);
+		sta->auth_alg = WLAN_AUTH_SHARED_KEY;
+		mlme_authenticate_indication(hapd, sta);
+		if (sta->challenge && auth_transaction == 1) {
+			resp_ies[0] = WLAN_EID_CHALLENGE;
+			resp_ies[1] = WLAN_AUTH_CHALLENGE_LEN;
+			os_memcpy(resp_ies + 2, sta->challenge,
+				  WLAN_AUTH_CHALLENGE_LEN);
+			resp_ies_len = 2 + WLAN_AUTH_CHALLENGE_LEN;
+		}
+		break;
+#ifdef CONFIG_IEEE80211R
+	case WLAN_AUTH_FT:
+		sta->auth_alg = WLAN_AUTH_FT;
+		if (sta->wpa_sm == NULL)
+			sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
+							sta->addr);
+		if (sta->wpa_sm == NULL) {
+			wpa_printf(MSG_DEBUG, "FT: Failed to initialize WPA "
+				   "state machine");
+			resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
+			goto fail;
+		}
+		wpa_ft_process_auth(sta->wpa_sm, mgmt->bssid,
+				    auth_transaction, mgmt->u.auth.variable,
+				    len - IEEE80211_HDRLEN -
+				    sizeof(mgmt->u.auth),
+				    handle_auth_ft_finish, hapd);
+		/* handle_auth_ft_finish() callback will complete auth. */
+		return;
+#endif /* CONFIG_IEEE80211R */
+	}
+
+ fail:
+	send_auth_reply(hapd, mgmt->sa, mgmt->bssid, auth_alg,
+			auth_transaction + 1, resp, resp_ies, resp_ies_len);
+}
+
+
+static int hostapd_get_aid(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	int i, j = 32, aid;
+
+	/* get a unique AID */
+	if (sta->aid > 0) {
+		wpa_printf(MSG_DEBUG, "  old AID %d", sta->aid);
+		return 0;
+	}
+
+	for (i = 0; i < AID_WORDS; i++) {
+		if (hapd->sta_aid[i] == (u32) -1)
+			continue;
+		for (j = 0; j < 32; j++) {
+			if (!(hapd->sta_aid[i] & BIT(j)))
+				break;
+		}
+		if (j < 32)
+			break;
+	}
+	if (j == 32)
+		return -1;
+	aid = i * 32 + j + 1;
+	if (aid > 2007)
+		return -1;
+
+	sta->aid = aid;
+	hapd->sta_aid[i] |= BIT(j);
+	wpa_printf(MSG_DEBUG, "  new AID %d", sta->aid);
+	return 0;
+}
+
+
+static u16 check_ssid(struct hostapd_data *hapd, struct sta_info *sta,
+		      const u8 *ssid_ie, size_t ssid_ie_len)
+{
+	if (ssid_ie == NULL)
+		return WLAN_STATUS_UNSPECIFIED_FAILURE;
+
+	if (ssid_ie_len != hapd->conf->ssid.ssid_len ||
+	    os_memcmp(ssid_ie, hapd->conf->ssid.ssid, ssid_ie_len) != 0) {
+		char ssid_txt[33];
+		ieee802_11_print_ssid(ssid_txt, ssid_ie, ssid_ie_len);
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_INFO,
+			       "Station tried to associate with unknown SSID "
+			       "'%s'", ssid_txt);
+		return WLAN_STATUS_UNSPECIFIED_FAILURE;
+	}
+
+	return WLAN_STATUS_SUCCESS;
+}
+
+
+static u16 check_wmm(struct hostapd_data *hapd, struct sta_info *sta,
+		     const u8 *wmm_ie, size_t wmm_ie_len)
+{
+	sta->flags &= ~WLAN_STA_WMM;
+	if (wmm_ie && hapd->conf->wmm_enabled) {
+		if (hostapd_eid_wmm_valid(hapd, wmm_ie, wmm_ie_len))
+			hostapd_logger(hapd, sta->addr,
+				       HOSTAPD_MODULE_WPA,
+				       HOSTAPD_LEVEL_DEBUG,
+				       "invalid WMM element in association "
+				       "request");
+		else
+			sta->flags |= WLAN_STA_WMM;
+	}
+	return WLAN_STATUS_SUCCESS;
+}
+
+
+static u16 copy_supp_rates(struct hostapd_data *hapd, struct sta_info *sta,
+			   struct ieee802_11_elems *elems)
+{
+	if (!elems->supp_rates) {
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_DEBUG,
+			       "No supported rates element in AssocReq");
+		return WLAN_STATUS_UNSPECIFIED_FAILURE;
+	}
+
+	if (elems->supp_rates_len > sizeof(sta->supported_rates)) {
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_DEBUG,
+			       "Invalid supported rates element length %d",
+			       elems->supp_rates_len);
+		return WLAN_STATUS_UNSPECIFIED_FAILURE;
+	}
+
+	os_memset(sta->supported_rates, 0, sizeof(sta->supported_rates));
+	os_memcpy(sta->supported_rates, elems->supp_rates,
+		  elems->supp_rates_len);
+	sta->supported_rates_len = elems->supp_rates_len;
+
+	if (elems->ext_supp_rates) {
+		if (elems->supp_rates_len + elems->ext_supp_rates_len >
+		    sizeof(sta->supported_rates)) {
+			hostapd_logger(hapd, sta->addr,
+				       HOSTAPD_MODULE_IEEE80211,
+				       HOSTAPD_LEVEL_DEBUG,
+				       "Invalid supported rates element length"
+				       " %d+%d", elems->supp_rates_len,
+				       elems->ext_supp_rates_len);
+			return WLAN_STATUS_UNSPECIFIED_FAILURE;
+		}
+
+		os_memcpy(sta->supported_rates + elems->supp_rates_len,
+			  elems->ext_supp_rates, elems->ext_supp_rates_len);
+		sta->supported_rates_len += elems->ext_supp_rates_len;
+	}
+
+	return WLAN_STATUS_SUCCESS;
+}
+
+
+static u16 check_assoc_ies(struct hostapd_data *hapd, struct sta_info *sta,
+			   const u8 *ies, size_t ies_len, int reassoc)
+{
+	struct ieee802_11_elems elems;
+	u16 resp;
+	const u8 *wpa_ie;
+	size_t wpa_ie_len;
+
+	if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed) {
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_INFO, "Station sent an invalid "
+			       "association request");
+		return WLAN_STATUS_UNSPECIFIED_FAILURE;
+	}
+
+	resp = check_ssid(hapd, sta, elems.ssid, elems.ssid_len);
+	if (resp != WLAN_STATUS_SUCCESS)
+		return resp;
+	resp = check_wmm(hapd, sta, elems.wmm, elems.wmm_len);
+	if (resp != WLAN_STATUS_SUCCESS)
+		return resp;
+	resp = copy_supp_rates(hapd, sta, &elems);
+	if (resp != WLAN_STATUS_SUCCESS)
+		return resp;
+#ifdef CONFIG_IEEE80211N
+	resp = copy_sta_ht_capab(hapd, sta, elems.ht_capabilities,
+				 elems.ht_capabilities_len);
+	if (resp != WLAN_STATUS_SUCCESS)
+		return resp;
+	if (hapd->iconf->ieee80211n && hapd->iconf->require_ht &&
+	    !(sta->flags & WLAN_STA_HT)) {
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_INFO, "Station does not support "
+			       "mandatory HT PHY - reject association");
+		return WLAN_STATUS_ASSOC_DENIED_NO_HT;
+	}
+#endif /* CONFIG_IEEE80211N */
+
+	if ((hapd->conf->wpa & WPA_PROTO_RSN) && elems.rsn_ie) {
+		wpa_ie = elems.rsn_ie;
+		wpa_ie_len = elems.rsn_ie_len;
+	} else if ((hapd->conf->wpa & WPA_PROTO_WPA) &&
+		   elems.wpa_ie) {
+		wpa_ie = elems.wpa_ie;
+		wpa_ie_len = elems.wpa_ie_len;
+	} else {
+		wpa_ie = NULL;
+		wpa_ie_len = 0;
+	}
+
+#ifdef CONFIG_WPS
+	sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS);
+	if (hapd->conf->wps_state && elems.wps_ie) {
+		wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)Association "
+			   "Request - assume WPS is used");
+		sta->flags |= WLAN_STA_WPS;
+		wpabuf_free(sta->wps_ie);
+		sta->wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len,
+							  WPS_IE_VENDOR_TYPE);
+		wpa_ie = NULL;
+		wpa_ie_len = 0;
+		if (sta->wps_ie && wps_validate_assoc_req(sta->wps_ie) < 0) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid WPS IE in "
+				   "(Re)Association Request - reject");
+			return WLAN_STATUS_INVALID_IE;
+		}
+	} else if (hapd->conf->wps_state && wpa_ie == NULL) {
+		wpa_printf(MSG_DEBUG, "STA did not include WPA/RSN IE in "
+			   "(Re)Association Request - possible WPS use");
+		sta->flags |= WLAN_STA_MAYBE_WPS;
+	} else
+#endif /* CONFIG_WPS */
+	if (hapd->conf->wpa && wpa_ie == NULL) {
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_INFO,
+			       "No WPA/RSN IE in association request");
+		return WLAN_STATUS_INVALID_IE;
+	}
+
+	if (hapd->conf->wpa && wpa_ie) {
+		int res;
+		wpa_ie -= 2;
+		wpa_ie_len += 2;
+		if (sta->wpa_sm == NULL)
+			sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
+							sta->addr);
+		if (sta->wpa_sm == NULL) {
+			wpa_printf(MSG_WARNING, "Failed to initialize WPA "
+				   "state machine");
+			return WLAN_STATUS_UNSPECIFIED_FAILURE;
+		}
+		res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
+					  wpa_ie, wpa_ie_len,
+					  elems.mdie, elems.mdie_len);
+		if (res == WPA_INVALID_GROUP)
+			resp = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
+		else if (res == WPA_INVALID_PAIRWISE)
+			resp = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
+		else if (res == WPA_INVALID_AKMP)
+			resp = WLAN_STATUS_AKMP_NOT_VALID;
+		else if (res == WPA_ALLOC_FAIL)
+			resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
+#ifdef CONFIG_IEEE80211W
+		else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION)
+			resp = WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION;
+		else if (res == WPA_INVALID_MGMT_GROUP_CIPHER)
+			resp = WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION;
+#endif /* CONFIG_IEEE80211W */
+		else if (res == WPA_INVALID_MDIE)
+			resp = WLAN_STATUS_INVALID_MDIE;
+		else if (res != WPA_IE_OK)
+			resp = WLAN_STATUS_INVALID_IE;
+		if (resp != WLAN_STATUS_SUCCESS)
+			return resp;
+#ifdef CONFIG_IEEE80211W
+		if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out &&
+		    sta->sa_query_count > 0)
+			ap_check_sa_query_timeout(hapd, sta);
+		if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out &&
+		    (!reassoc || sta->auth_alg != WLAN_AUTH_FT)) {
+			/*
+			 * STA has already been associated with MFP and SA
+			 * Query timeout has not been reached. Reject the
+			 * association attempt temporarily and start SA Query,
+			 * if one is not pending.
+			 */
+
+			if (sta->sa_query_count == 0)
+				ap_sta_start_sa_query(hapd, sta);
+
+			return WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
+		}
+
+		if (wpa_auth_uses_mfp(sta->wpa_sm))
+			sta->flags |= WLAN_STA_MFP;
+		else
+			sta->flags &= ~WLAN_STA_MFP;
+#endif /* CONFIG_IEEE80211W */
+
+#ifdef CONFIG_IEEE80211R
+		if (sta->auth_alg == WLAN_AUTH_FT) {
+			if (!reassoc) {
+				wpa_printf(MSG_DEBUG, "FT: " MACSTR " tried "
+					   "to use association (not "
+					   "re-association) with FT auth_alg",
+					   MAC2STR(sta->addr));
+				return WLAN_STATUS_UNSPECIFIED_FAILURE;
+			}
+
+			resp = wpa_ft_validate_reassoc(sta->wpa_sm, ies,
+						       ies_len);
+			if (resp != WLAN_STATUS_SUCCESS)
+				return resp;
+		}
+#endif /* CONFIG_IEEE80211R */
+
+#ifdef CONFIG_IEEE80211N
+		if ((sta->flags & WLAN_STA_HT) &&
+		    wpa_auth_get_pairwise(sta->wpa_sm) == WPA_CIPHER_TKIP) {
+			hostapd_logger(hapd, sta->addr,
+				       HOSTAPD_MODULE_IEEE80211,
+				       HOSTAPD_LEVEL_INFO,
+				       "Station tried to use TKIP with HT "
+				       "association");
+			return WLAN_STATUS_CIPHER_REJECTED_PER_POLICY;
+		}
+#endif /* CONFIG_IEEE80211N */
+	} else
+		wpa_auth_sta_no_wpa(sta->wpa_sm);
+
+#ifdef CONFIG_P2P
+	if (elems.p2p) {
+		wpabuf_free(sta->p2p_ie);
+		sta->p2p_ie = ieee802_11_vendor_ie_concat(ies, ies_len,
+							  P2P_IE_VENDOR_TYPE);
+
+	} else {
+		wpabuf_free(sta->p2p_ie);
+		sta->p2p_ie = NULL;
+	}
+
+	p2p_group_notif_assoc(hapd->p2p_group, sta->addr, ies, ies_len);
+#endif /* CONFIG_P2P */
+
+	return WLAN_STATUS_SUCCESS;
+}
+
+
+static void send_deauth(struct hostapd_data *hapd, const u8 *addr,
+			u16 reason_code)
+{
+	int send_len;
+	struct ieee80211_mgmt reply;
+
+	os_memset(&reply, 0, sizeof(reply));
+	reply.frame_control =
+		IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_DEAUTH);
+	os_memcpy(reply.da, addr, ETH_ALEN);
+	os_memcpy(reply.sa, hapd->own_addr, ETH_ALEN);
+	os_memcpy(reply.bssid, hapd->own_addr, ETH_ALEN);
+
+	send_len = IEEE80211_HDRLEN + sizeof(reply.u.deauth);
+	reply.u.deauth.reason_code = host_to_le16(reason_code);
+
+	if (hostapd_drv_send_mlme(hapd, &reply, send_len) < 0)
+		wpa_printf(MSG_INFO, "Failed to send deauth: %s",
+			   strerror(errno));
+}
+
+
+static void send_assoc_resp(struct hostapd_data *hapd, struct sta_info *sta,
+			    u16 status_code, int reassoc, const u8 *ies,
+			    size_t ies_len)
+{
+	int send_len;
+	u8 buf[sizeof(struct ieee80211_mgmt) + 1024];
+	struct ieee80211_mgmt *reply;
+	u8 *p;
+
+	os_memset(buf, 0, sizeof(buf));
+	reply = (struct ieee80211_mgmt *) buf;
+	reply->frame_control =
+		IEEE80211_FC(WLAN_FC_TYPE_MGMT,
+			     (reassoc ? WLAN_FC_STYPE_REASSOC_RESP :
+			      WLAN_FC_STYPE_ASSOC_RESP));
+	os_memcpy(reply->da, sta->addr, ETH_ALEN);
+	os_memcpy(reply->sa, hapd->own_addr, ETH_ALEN);
+	os_memcpy(reply->bssid, hapd->own_addr, ETH_ALEN);
+
+	send_len = IEEE80211_HDRLEN;
+	send_len += sizeof(reply->u.assoc_resp);
+	reply->u.assoc_resp.capab_info =
+		host_to_le16(hostapd_own_capab_info(hapd, sta, 0));
+	reply->u.assoc_resp.status_code = host_to_le16(status_code);
+	reply->u.assoc_resp.aid = host_to_le16((sta ? sta->aid : 0)
+					       | BIT(14) | BIT(15));
+	/* Supported rates */
+	p = hostapd_eid_supp_rates(hapd, reply->u.assoc_resp.variable);
+	/* Extended supported rates */
+	p = hostapd_eid_ext_supp_rates(hapd, p);
+
+#ifdef CONFIG_IEEE80211R
+	if (status_code == WLAN_STATUS_SUCCESS) {
+		/* IEEE 802.11r: Mobility Domain Information, Fast BSS
+		 * Transition Information, RSN, [RIC Response] */
+		p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, p,
+						buf + sizeof(buf) - p,
+						sta->auth_alg, ies, ies_len);
+	}
+#endif /* CONFIG_IEEE80211R */
+
+#ifdef CONFIG_IEEE80211W
+	if (status_code == WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY)
+		p = hostapd_eid_assoc_comeback_time(hapd, sta, p);
+#endif /* CONFIG_IEEE80211W */
+
+#ifdef CONFIG_IEEE80211N
+	p = hostapd_eid_ht_capabilities(hapd, p);
+	p = hostapd_eid_ht_operation(hapd, p);
+#endif /* CONFIG_IEEE80211N */
+
+	p = hostapd_eid_ext_capab(hapd, p);
+
+	if (sta->flags & WLAN_STA_WMM)
+		p = hostapd_eid_wmm(hapd, p);
+
+#ifdef CONFIG_WPS
+	if (sta->flags & WLAN_STA_WPS) {
+		struct wpabuf *wps = wps_build_assoc_resp_ie();
+		if (wps) {
+			os_memcpy(p, wpabuf_head(wps), wpabuf_len(wps));
+			p += wpabuf_len(wps);
+			wpabuf_free(wps);
+		}
+	}
+#endif /* CONFIG_WPS */
+
+#ifdef CONFIG_P2P
+	if (sta->p2p_ie) {
+		struct wpabuf *p2p_resp_ie;
+		enum p2p_status_code status;
+		switch (status_code) {
+		case WLAN_STATUS_SUCCESS:
+			status = P2P_SC_SUCCESS;
+			break;
+		case WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA:
+			status = P2P_SC_FAIL_LIMIT_REACHED;
+			break;
+		default:
+			status = P2P_SC_FAIL_INVALID_PARAMS;
+			break;
+		}
+		p2p_resp_ie = p2p_group_assoc_resp_ie(hapd->p2p_group, status);
+		if (p2p_resp_ie) {
+			os_memcpy(p, wpabuf_head(p2p_resp_ie),
+				  wpabuf_len(p2p_resp_ie));
+			p += wpabuf_len(p2p_resp_ie);
+			wpabuf_free(p2p_resp_ie);
+		}
+	}
+#endif /* CONFIG_P2P */
+
+#ifdef CONFIG_P2P_MANAGER
+	if (hapd->conf->p2p & P2P_MANAGE)
+		p = hostapd_eid_p2p_manage(hapd, p);
+#endif /* CONFIG_P2P_MANAGER */
+
+	send_len += p - reply->u.assoc_resp.variable;
+
+	if (hostapd_drv_send_mlme(hapd, reply, send_len) < 0)
+		wpa_printf(MSG_INFO, "Failed to send assoc resp: %s",
+			   strerror(errno));
+}
+
+
+static void handle_assoc(struct hostapd_data *hapd,
+			 const struct ieee80211_mgmt *mgmt, size_t len,
+			 int reassoc)
+{
+	u16 capab_info, listen_interval;
+	u16 resp = WLAN_STATUS_SUCCESS;
+	const u8 *pos;
+	int left, i;
+	struct sta_info *sta;
+
+	if (len < IEEE80211_HDRLEN + (reassoc ? sizeof(mgmt->u.reassoc_req) :
+				      sizeof(mgmt->u.assoc_req))) {
+		printf("handle_assoc(reassoc=%d) - too short payload (len=%lu)"
+		       "\n", reassoc, (unsigned long) len);
+		return;
+	}
+
+	if (reassoc) {
+		capab_info = le_to_host16(mgmt->u.reassoc_req.capab_info);
+		listen_interval = le_to_host16(
+			mgmt->u.reassoc_req.listen_interval);
+		wpa_printf(MSG_DEBUG, "reassociation request: STA=" MACSTR
+			   " capab_info=0x%02x listen_interval=%d current_ap="
+			   MACSTR,
+			   MAC2STR(mgmt->sa), capab_info, listen_interval,
+			   MAC2STR(mgmt->u.reassoc_req.current_ap));
+		left = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.reassoc_req));
+		pos = mgmt->u.reassoc_req.variable;
+	} else {
+		capab_info = le_to_host16(mgmt->u.assoc_req.capab_info);
+		listen_interval = le_to_host16(
+			mgmt->u.assoc_req.listen_interval);
+		wpa_printf(MSG_DEBUG, "association request: STA=" MACSTR
+			   " capab_info=0x%02x listen_interval=%d",
+			   MAC2STR(mgmt->sa), capab_info, listen_interval);
+		left = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req));
+		pos = mgmt->u.assoc_req.variable;
+	}
+
+	sta = ap_get_sta(hapd, mgmt->sa);
+#ifdef CONFIG_IEEE80211R
+	if (sta && sta->auth_alg == WLAN_AUTH_FT &&
+	    (sta->flags & WLAN_STA_AUTH) == 0) {
+		wpa_printf(MSG_DEBUG, "FT: Allow STA " MACSTR " to associate "
+			   "prior to authentication since it is using "
+			   "over-the-DS FT", MAC2STR(mgmt->sa));
+	} else
+#endif /* CONFIG_IEEE80211R */
+	if (sta == NULL || (sta->flags & WLAN_STA_AUTH) == 0) {
+		hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_INFO, "Station tried to "
+			       "associate before authentication "
+			       "(aid=%d flags=0x%x)",
+			       sta ? sta->aid : -1,
+			       sta ? sta->flags : 0);
+		send_deauth(hapd, mgmt->sa,
+			    WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA);
+		return;
+	}
+
+	if (hapd->tkip_countermeasures) {
+		resp = WLAN_REASON_MICHAEL_MIC_FAILURE;
+		goto fail;
+	}
+
+	if (listen_interval > hapd->conf->max_listen_interval) {
+		hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_DEBUG,
+			       "Too large Listen Interval (%d)",
+			       listen_interval);
+		resp = WLAN_STATUS_ASSOC_DENIED_LISTEN_INT_TOO_LARGE;
+		goto fail;
+	}
+
+	/* followed by SSID and Supported rates; and HT capabilities if 802.11n
+	 * is used */
+	resp = check_assoc_ies(hapd, sta, pos, left, reassoc);
+	if (resp != WLAN_STATUS_SUCCESS)
+		goto fail;
+
+	if (hostapd_get_aid(hapd, sta) < 0) {
+		hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_INFO, "No room for more AIDs");
+		resp = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
+		goto fail;
+	}
+
+	sta->capability = capab_info;
+	sta->listen_interval = listen_interval;
+
+	if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G)
+		sta->flags |= WLAN_STA_NONERP;
+	for (i = 0; i < sta->supported_rates_len; i++) {
+		if ((sta->supported_rates[i] & 0x7f) > 22) {
+			sta->flags &= ~WLAN_STA_NONERP;
+			break;
+		}
+	}
+	if (sta->flags & WLAN_STA_NONERP && !sta->nonerp_set) {
+		sta->nonerp_set = 1;
+		hapd->iface->num_sta_non_erp++;
+		if (hapd->iface->num_sta_non_erp == 1)
+			ieee802_11_set_beacons(hapd->iface);
+	}
+
+	if (!(sta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME) &&
+	    !sta->no_short_slot_time_set) {
+		sta->no_short_slot_time_set = 1;
+		hapd->iface->num_sta_no_short_slot_time++;
+		if (hapd->iface->current_mode->mode ==
+		    HOSTAPD_MODE_IEEE80211G &&
+		    hapd->iface->num_sta_no_short_slot_time == 1)
+			ieee802_11_set_beacons(hapd->iface);
+	}
+
+	if (sta->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
+		sta->flags |= WLAN_STA_SHORT_PREAMBLE;
+	else
+		sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
+
+	if (!(sta->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) &&
+	    !sta->no_short_preamble_set) {
+		sta->no_short_preamble_set = 1;
+		hapd->iface->num_sta_no_short_preamble++;
+		if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
+		    && hapd->iface->num_sta_no_short_preamble == 1)
+			ieee802_11_set_beacons(hapd->iface);
+	}
+
+#ifdef CONFIG_IEEE80211N
+	update_ht_state(hapd, sta);
+#endif /* CONFIG_IEEE80211N */
+
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_DEBUG,
+		       "association OK (aid %d)", sta->aid);
+	/* Station will be marked associated, after it acknowledges AssocResp
+	 */
+	sta->flags |= WLAN_STA_ASSOC_REQ_OK;
+
+#ifdef CONFIG_IEEE80211W
+	if ((sta->flags & WLAN_STA_MFP) && sta->sa_query_timed_out) {
+		wpa_printf(MSG_DEBUG, "Allowing %sassociation after timed out "
+			   "SA Query procedure", reassoc ? "re" : "");
+		/* TODO: Send a protected Disassociate frame to the STA using
+		 * the old key and Reason Code "Previous Authentication no
+		 * longer valid". Make sure this is only sent protected since
+		 * unprotected frame would be received by the STA that is now
+		 * trying to associate.
+		 */
+	}
+#endif /* CONFIG_IEEE80211W */
+
+	if (reassoc) {
+		os_memcpy(sta->previous_ap, mgmt->u.reassoc_req.current_ap,
+			  ETH_ALEN);
+	}
+
+	if (sta->last_assoc_req)
+		os_free(sta->last_assoc_req);
+	sta->last_assoc_req = os_malloc(len);
+	if (sta->last_assoc_req)
+		os_memcpy(sta->last_assoc_req, mgmt, len);
+
+	/* Make sure that the previously registered inactivity timer will not
+	 * remove the STA immediately. */
+	sta->timeout_next = STA_NULLFUNC;
+
+ fail:
+	send_assoc_resp(hapd, sta, resp, reassoc, pos, left);
+}
+
+
+static void handle_disassoc(struct hostapd_data *hapd,
+			    const struct ieee80211_mgmt *mgmt, size_t len)
+{
+	struct sta_info *sta;
+
+	if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.disassoc)) {
+		printf("handle_disassoc - too short payload (len=%lu)\n",
+		       (unsigned long) len);
+		return;
+	}
+
+	wpa_printf(MSG_DEBUG, "disassocation: STA=" MACSTR " reason_code=%d",
+		   MAC2STR(mgmt->sa),
+		   le_to_host16(mgmt->u.disassoc.reason_code));
+
+	sta = ap_get_sta(hapd, mgmt->sa);
+	if (sta == NULL) {
+		printf("Station " MACSTR " trying to disassociate, but it "
+		       "is not associated.\n", MAC2STR(mgmt->sa));
+		return;
+	}
+
+	sta->flags &= ~(WLAN_STA_ASSOC | WLAN_STA_ASSOC_REQ_OK);
+	wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED MACSTR,
+		MAC2STR(sta->addr));
+	wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_INFO, "disassociated");
+	sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
+	ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
+	/* Stop Accounting and IEEE 802.1X sessions, but leave the STA
+	 * authenticated. */
+	accounting_sta_stop(hapd, sta);
+	ieee802_1x_free_station(sta);
+	hostapd_drv_sta_remove(hapd, sta->addr);
+
+	if (sta->timeout_next == STA_NULLFUNC ||
+	    sta->timeout_next == STA_DISASSOC) {
+		sta->timeout_next = STA_DEAUTH;
+		eloop_cancel_timeout(ap_handle_timer, hapd, sta);
+		eloop_register_timeout(AP_DEAUTH_DELAY, 0, ap_handle_timer,
+				       hapd, sta);
+	}
+
+	mlme_disassociate_indication(
+		hapd, sta, le_to_host16(mgmt->u.disassoc.reason_code));
+}
+
+
+static void handle_deauth(struct hostapd_data *hapd,
+			  const struct ieee80211_mgmt *mgmt, size_t len)
+{
+	struct sta_info *sta;
+
+	if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.deauth)) {
+		wpa_msg(hapd, MSG_DEBUG, "handle_deauth - too short payload "
+			"(len=%lu)", (unsigned long) len);
+		return;
+	}
+
+	wpa_msg(hapd, MSG_DEBUG, "deauthentication: STA=" MACSTR
+		" reason_code=%d",
+		MAC2STR(mgmt->sa), le_to_host16(mgmt->u.deauth.reason_code));
+
+	sta = ap_get_sta(hapd, mgmt->sa);
+	if (sta == NULL) {
+		wpa_msg(hapd, MSG_DEBUG, "Station " MACSTR " trying to "
+			"deauthenticate, but it is not authenticated",
+			MAC2STR(mgmt->sa));
+		return;
+	}
+
+	sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC |
+			WLAN_STA_ASSOC_REQ_OK);
+	wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED MACSTR,
+		MAC2STR(sta->addr));
+	wpa_auth_sm_event(sta->wpa_sm, WPA_DEAUTH);
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_DEBUG, "deauthenticated");
+	mlme_deauthenticate_indication(
+		hapd, sta, le_to_host16(mgmt->u.deauth.reason_code));
+	sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
+	ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
+	ap_free_sta(hapd, sta);
+}
+
+
+static void handle_beacon(struct hostapd_data *hapd,
+			  const struct ieee80211_mgmt *mgmt, size_t len,
+			  struct hostapd_frame_info *fi)
+{
+	struct ieee802_11_elems elems;
+
+	if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.beacon)) {
+		printf("handle_beacon - too short payload (len=%lu)\n",
+		       (unsigned long) len);
+		return;
+	}
+
+	(void) ieee802_11_parse_elems(mgmt->u.beacon.variable,
+				      len - (IEEE80211_HDRLEN +
+					     sizeof(mgmt->u.beacon)), &elems,
+				      0);
+
+	ap_list_process_beacon(hapd->iface, mgmt, &elems, fi);
+}
+
+
+#ifdef CONFIG_IEEE80211W
+
+/* MLME-SAQuery.request */
+void ieee802_11_send_sa_query_req(struct hostapd_data *hapd,
+				  const u8 *addr, const u8 *trans_id)
+{
+	struct ieee80211_mgmt mgmt;
+	u8 *end;
+
+	wpa_printf(MSG_DEBUG, "IEEE 802.11: Sending SA Query Request to "
+		   MACSTR, MAC2STR(addr));
+	wpa_hexdump(MSG_DEBUG, "IEEE 802.11: SA Query Transaction ID",
+		    trans_id, WLAN_SA_QUERY_TR_ID_LEN);
+
+	os_memset(&mgmt, 0, sizeof(mgmt));
+	mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
+					  WLAN_FC_STYPE_ACTION);
+	os_memcpy(mgmt.da, addr, ETH_ALEN);
+	os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN);
+	os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN);
+	mgmt.u.action.category = WLAN_ACTION_SA_QUERY;
+	mgmt.u.action.u.sa_query_req.action = WLAN_SA_QUERY_REQUEST;
+	os_memcpy(mgmt.u.action.u.sa_query_req.trans_id, trans_id,
+		  WLAN_SA_QUERY_TR_ID_LEN);
+	end = mgmt.u.action.u.sa_query_req.trans_id + WLAN_SA_QUERY_TR_ID_LEN;
+	if (hostapd_drv_send_mlme(hapd, &mgmt, end - (u8 *) &mgmt) < 0)
+		perror("ieee802_11_send_sa_query_req: send");
+}
+
+
+static void hostapd_sa_query_request(struct hostapd_data *hapd,
+				     const struct ieee80211_mgmt *mgmt)
+{
+	struct sta_info *sta;
+	struct ieee80211_mgmt resp;
+	u8 *end;
+
+	wpa_printf(MSG_DEBUG, "IEEE 802.11: Received SA Query Request from "
+		   MACSTR, MAC2STR(mgmt->sa));
+	wpa_hexdump(MSG_DEBUG, "IEEE 802.11: SA Query Transaction ID",
+		    mgmt->u.action.u.sa_query_resp.trans_id,
+		    WLAN_SA_QUERY_TR_ID_LEN);
+
+	sta = ap_get_sta(hapd, mgmt->sa);
+	if (sta == NULL || !(sta->flags & WLAN_STA_ASSOC)) {
+		wpa_printf(MSG_DEBUG, "IEEE 802.11: Ignore SA Query Request "
+			   "from unassociated STA " MACSTR, MAC2STR(mgmt->sa));
+		return;
+	}
+
+	wpa_printf(MSG_DEBUG, "IEEE 802.11: Sending SA Query Response to "
+		   MACSTR, MAC2STR(mgmt->sa));
+
+	os_memset(&resp, 0, sizeof(resp));
+	resp.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
+					  WLAN_FC_STYPE_ACTION);
+	os_memcpy(resp.da, mgmt->sa, ETH_ALEN);
+	os_memcpy(resp.sa, hapd->own_addr, ETH_ALEN);
+	os_memcpy(resp.bssid, hapd->own_addr, ETH_ALEN);
+	resp.u.action.category = WLAN_ACTION_SA_QUERY;
+	resp.u.action.u.sa_query_req.action = WLAN_SA_QUERY_RESPONSE;
+	os_memcpy(resp.u.action.u.sa_query_req.trans_id,
+		  mgmt->u.action.u.sa_query_req.trans_id,
+		  WLAN_SA_QUERY_TR_ID_LEN);
+	end = resp.u.action.u.sa_query_req.trans_id + WLAN_SA_QUERY_TR_ID_LEN;
+	if (hostapd_drv_send_mlme(hapd, &resp, end - (u8 *) &resp) < 0)
+		perror("hostapd_sa_query_request: send");
+}
+
+
+static void hostapd_sa_query_action(struct hostapd_data *hapd,
+				    const struct ieee80211_mgmt *mgmt,
+				    size_t len)
+{
+	struct sta_info *sta;
+	const u8 *end;
+	int i;
+
+	end = mgmt->u.action.u.sa_query_resp.trans_id +
+		WLAN_SA_QUERY_TR_ID_LEN;
+	if (((u8 *) mgmt) + len < end) {
+		wpa_printf(MSG_DEBUG, "IEEE 802.11: Too short SA Query Action "
+			   "frame (len=%lu)", (unsigned long) len);
+		return;
+	}
+
+	if (mgmt->u.action.u.sa_query_resp.action == WLAN_SA_QUERY_REQUEST) {
+		hostapd_sa_query_request(hapd, mgmt);
+		return;
+	}
+
+	if (mgmt->u.action.u.sa_query_resp.action != WLAN_SA_QUERY_RESPONSE) {
+		wpa_printf(MSG_DEBUG, "IEEE 802.11: Unexpected SA Query "
+			   "Action %d", mgmt->u.action.u.sa_query_resp.action);
+		return;
+	}
+
+	wpa_printf(MSG_DEBUG, "IEEE 802.11: Received SA Query Response from "
+		   MACSTR, MAC2STR(mgmt->sa));
+	wpa_hexdump(MSG_DEBUG, "IEEE 802.11: SA Query Transaction ID",
+		    mgmt->u.action.u.sa_query_resp.trans_id,
+		    WLAN_SA_QUERY_TR_ID_LEN);
+
+	/* MLME-SAQuery.confirm */
+
+	sta = ap_get_sta(hapd, mgmt->sa);
+	if (sta == NULL || sta->sa_query_trans_id == NULL) {
+		wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching STA with "
+			   "pending SA Query request found");
+		return;
+	}
+
+	for (i = 0; i < sta->sa_query_count; i++) {
+		if (os_memcmp(sta->sa_query_trans_id +
+			      i * WLAN_SA_QUERY_TR_ID_LEN,
+			      mgmt->u.action.u.sa_query_resp.trans_id,
+			      WLAN_SA_QUERY_TR_ID_LEN) == 0)
+			break;
+	}
+
+	if (i >= sta->sa_query_count) {
+		wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching SA Query "
+			   "transaction identifier found");
+		return;
+	}
+
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_DEBUG,
+		       "Reply to pending SA Query received");
+	ap_sta_stop_sa_query(hapd, sta);
+}
+
+
+static int robust_action_frame(u8 category)
+{
+	return category != WLAN_ACTION_PUBLIC &&
+		category != WLAN_ACTION_HT;
+}
+#endif /* CONFIG_IEEE80211W */
+
+
+static void handle_action(struct hostapd_data *hapd,
+			  const struct ieee80211_mgmt *mgmt, size_t len)
+{
+	struct sta_info *sta;
+
+	if (len < IEEE80211_HDRLEN + 1) {
+		hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_DEBUG,
+			       "handle_action - too short payload (len=%lu)",
+			       (unsigned long) len);
+		return;
+	}
+
+	sta = ap_get_sta(hapd, mgmt->sa);
+#ifdef CONFIG_IEEE80211W
+	if (sta && (sta->flags & WLAN_STA_MFP) &&
+	    !(mgmt->frame_control & host_to_le16(WLAN_FC_ISWEP) &&
+	      robust_action_frame(mgmt->u.action.category))) {
+		hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_DEBUG,
+			       "Dropped unprotected Robust Action frame from "
+			       "an MFP STA");
+		return;
+	}
+#endif /* CONFIG_IEEE80211W */
+
+	switch (mgmt->u.action.category) {
+#ifdef CONFIG_IEEE80211R
+	case WLAN_ACTION_FT:
+	{
+		if (sta == NULL || !(sta->flags & WLAN_STA_ASSOC)) {
+			wpa_printf(MSG_DEBUG, "IEEE 802.11: Ignored FT Action "
+				   "frame from unassociated STA " MACSTR,
+				   MAC2STR(mgmt->sa));
+			return;
+		}
+
+		if (wpa_ft_action_rx(sta->wpa_sm, (u8 *) &mgmt->u.action,
+				     len - IEEE80211_HDRLEN))
+			break;
+
+		return;
+	}
+#endif /* CONFIG_IEEE80211R */
+	case WLAN_ACTION_WMM:
+		hostapd_wmm_action(hapd, mgmt, len);
+		return;
+#ifdef CONFIG_IEEE80211W
+	case WLAN_ACTION_SA_QUERY:
+		hostapd_sa_query_action(hapd, mgmt, len);
+		return;
+#endif /* CONFIG_IEEE80211W */
+	case WLAN_ACTION_PUBLIC:
+		if (hapd->public_action_cb) {
+			hapd->public_action_cb(hapd->public_action_cb_ctx,
+					       (u8 *) mgmt, len,
+					       hapd->iface->freq);
+			return;
+		}
+		break;
+	case WLAN_ACTION_VENDOR_SPECIFIC:
+		if (hapd->vendor_action_cb) {
+			if (hapd->vendor_action_cb(hapd->vendor_action_cb_ctx,
+						   (u8 *) mgmt, len,
+						   hapd->iface->freq) == 0)
+				return;
+		}
+		break;
+	}
+
+	hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_DEBUG,
+		       "handle_action - unknown action category %d or invalid "
+		       "frame",
+		       mgmt->u.action.category);
+	if (!(mgmt->da[0] & 0x01) && !(mgmt->u.action.category & 0x80) &&
+	    !(mgmt->sa[0] & 0x01)) {
+		struct ieee80211_mgmt *resp;
+
+		/*
+		 * IEEE 802.11-REVma/D9.0 - 7.3.1.11
+		 * Return the Action frame to the source without change
+		 * except that MSB of the Category set to 1.
+		 */
+		wpa_printf(MSG_DEBUG, "IEEE 802.11: Return unknown Action "
+			   "frame back to sender");
+		resp = os_malloc(len);
+		if (resp == NULL)
+			return;
+		os_memcpy(resp, mgmt, len);
+		os_memcpy(resp->da, resp->sa, ETH_ALEN);
+		os_memcpy(resp->sa, hapd->own_addr, ETH_ALEN);
+		os_memcpy(resp->bssid, hapd->own_addr, ETH_ALEN);
+		resp->u.action.category |= 0x80;
+
+		hostapd_drv_send_mlme(hapd, resp, len);
+		os_free(resp);
+	}
+}
+
+
+/**
+ * ieee802_11_mgmt - process incoming IEEE 802.11 management frames
+ * @hapd: hostapd BSS data structure (the BSS to which the management frame was
+ * sent to)
+ * @buf: management frame data (starting from IEEE 802.11 header)
+ * @len: length of frame data in octets
+ * @fi: meta data about received frame (signal level, etc.)
+ *
+ * Process all incoming IEEE 802.11 management frames. This will be called for
+ * each frame received from the kernel driver through wlan#ap interface. In
+ * addition, it can be called to re-inserted pending frames (e.g., when using
+ * external RADIUS server as an MAC ACL).
+ */
+void ieee802_11_mgmt(struct hostapd_data *hapd, const u8 *buf, size_t len,
+		     struct hostapd_frame_info *fi)
+{
+	struct ieee80211_mgmt *mgmt;
+	int broadcast;
+	u16 fc, stype;
+
+	if (len < 24)
+		return;
+
+	mgmt = (struct ieee80211_mgmt *) buf;
+	fc = le_to_host16(mgmt->frame_control);
+	stype = WLAN_FC_GET_STYPE(fc);
+
+	if (stype == WLAN_FC_STYPE_BEACON) {
+		handle_beacon(hapd, mgmt, len, fi);
+		return;
+	}
+
+	broadcast = mgmt->bssid[0] == 0xff && mgmt->bssid[1] == 0xff &&
+		mgmt->bssid[2] == 0xff && mgmt->bssid[3] == 0xff &&
+		mgmt->bssid[4] == 0xff && mgmt->bssid[5] == 0xff;
+
+	if (!broadcast &&
+	    os_memcmp(mgmt->bssid, hapd->own_addr, ETH_ALEN) != 0) {
+		printf("MGMT: BSSID=" MACSTR " not our address\n",
+		       MAC2STR(mgmt->bssid));
+		return;
+	}
+
+
+	if (stype == WLAN_FC_STYPE_PROBE_REQ) {
+		handle_probe_req(hapd, mgmt, len);
+		return;
+	}
+
+	if (os_memcmp(mgmt->da, hapd->own_addr, ETH_ALEN) != 0) {
+		hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_DEBUG,
+			       "MGMT: DA=" MACSTR " not our address",
+			       MAC2STR(mgmt->da));
+		return;
+	}
+
+	switch (stype) {
+	case WLAN_FC_STYPE_AUTH:
+		wpa_printf(MSG_DEBUG, "mgmt::auth");
+		handle_auth(hapd, mgmt, len);
+		break;
+	case WLAN_FC_STYPE_ASSOC_REQ:
+		wpa_printf(MSG_DEBUG, "mgmt::assoc_req");
+		handle_assoc(hapd, mgmt, len, 0);
+		break;
+	case WLAN_FC_STYPE_REASSOC_REQ:
+		wpa_printf(MSG_DEBUG, "mgmt::reassoc_req");
+		handle_assoc(hapd, mgmt, len, 1);
+		break;
+	case WLAN_FC_STYPE_DISASSOC:
+		wpa_printf(MSG_DEBUG, "mgmt::disassoc");
+		handle_disassoc(hapd, mgmt, len);
+		break;
+	case WLAN_FC_STYPE_DEAUTH:
+		wpa_msg(hapd, MSG_DEBUG, "mgmt::deauth");
+		handle_deauth(hapd, mgmt, len);
+		break;
+	case WLAN_FC_STYPE_ACTION:
+		wpa_printf(MSG_DEBUG, "mgmt::action");
+		handle_action(hapd, mgmt, len);
+		break;
+	default:
+		hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_DEBUG,
+			       "unknown mgmt frame subtype %d", stype);
+		break;
+	}
+}
+
+
+static void handle_auth_cb(struct hostapd_data *hapd,
+			   const struct ieee80211_mgmt *mgmt,
+			   size_t len, int ok)
+{
+	u16 auth_alg, auth_transaction, status_code;
+	struct sta_info *sta;
+
+	if (!ok) {
+		hostapd_logger(hapd, mgmt->da, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_NOTICE,
+			       "did not acknowledge authentication response");
+		return;
+	}
+
+	if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.auth)) {
+		printf("handle_auth_cb - too short payload (len=%lu)\n",
+		       (unsigned long) len);
+		return;
+	}
+
+	auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
+	auth_transaction = le_to_host16(mgmt->u.auth.auth_transaction);
+	status_code = le_to_host16(mgmt->u.auth.status_code);
+
+	sta = ap_get_sta(hapd, mgmt->da);
+	if (!sta) {
+		printf("handle_auth_cb: STA " MACSTR " not found\n",
+		       MAC2STR(mgmt->da));
+		return;
+	}
+
+	if (status_code == WLAN_STATUS_SUCCESS &&
+	    ((auth_alg == WLAN_AUTH_OPEN && auth_transaction == 2) ||
+	     (auth_alg == WLAN_AUTH_SHARED_KEY && auth_transaction == 4))) {
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_INFO, "authenticated");
+		sta->flags |= WLAN_STA_AUTH;
+	}
+}
+
+
+static void handle_assoc_cb(struct hostapd_data *hapd,
+			    const struct ieee80211_mgmt *mgmt,
+			    size_t len, int reassoc, int ok)
+{
+	u16 status;
+	struct sta_info *sta;
+	int new_assoc = 1;
+	struct ieee80211_ht_capabilities ht_cap;
+
+	if (!ok) {
+		hostapd_logger(hapd, mgmt->da, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_DEBUG,
+			       "did not acknowledge association response");
+		return;
+	}
+
+	if (len < IEEE80211_HDRLEN + (reassoc ? sizeof(mgmt->u.reassoc_resp) :
+				      sizeof(mgmt->u.assoc_resp))) {
+		printf("handle_assoc_cb(reassoc=%d) - too short payload "
+		       "(len=%lu)\n", reassoc, (unsigned long) len);
+		return;
+	}
+
+	if (reassoc)
+		status = le_to_host16(mgmt->u.reassoc_resp.status_code);
+	else
+		status = le_to_host16(mgmt->u.assoc_resp.status_code);
+
+	sta = ap_get_sta(hapd, mgmt->da);
+	if (!sta) {
+		printf("handle_assoc_cb: STA " MACSTR " not found\n",
+		       MAC2STR(mgmt->da));
+		return;
+	}
+
+	if (status != WLAN_STATUS_SUCCESS)
+		goto fail;
+
+	/* Stop previous accounting session, if one is started, and allocate
+	 * new session id for the new session. */
+	accounting_sta_stop(hapd, sta);
+
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_INFO,
+		       "associated (aid %d)",
+		       sta->aid);
+
+	if (sta->flags & WLAN_STA_ASSOC)
+		new_assoc = 0;
+	sta->flags |= WLAN_STA_ASSOC;
+	if ((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
+	    sta->auth_alg == WLAN_AUTH_FT) {
+		/*
+		 * Open, static WEP, or FT protocol; no separate authorization
+		 * step.
+		 */
+		ap_sta_set_authorized(hapd, sta, 1);
+		wpa_msg(hapd->msg_ctx, MSG_INFO,
+			AP_STA_CONNECTED MACSTR, MAC2STR(sta->addr));
+	}
+
+	if (reassoc)
+		mlme_reassociate_indication(hapd, sta);
+	else
+		mlme_associate_indication(hapd, sta);
+
+#ifdef CONFIG_IEEE80211W
+	sta->sa_query_timed_out = 0;
+#endif /* CONFIG_IEEE80211W */
+
+	/*
+	 * Remove the STA entry in order to make sure the STA PS state gets
+	 * cleared and configuration gets updated in case of reassociation back
+	 * to the same AP.
+	 */
+	hostapd_drv_sta_remove(hapd, sta->addr);
+
+#ifdef CONFIG_IEEE80211N
+	if (sta->flags & WLAN_STA_HT)
+		hostapd_get_ht_capab(hapd, sta->ht_capabilities, &ht_cap);
+#endif /* CONFIG_IEEE80211N */
+
+	if (hostapd_sta_add(hapd, sta->addr, sta->aid, sta->capability,
+			    sta->supported_rates, sta->supported_rates_len,
+			    sta->listen_interval,
+			    sta->flags & WLAN_STA_HT ? &ht_cap : NULL)) {
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_NOTICE,
+			       "Could not add STA to kernel driver");
+	}
+
+	if (sta->flags & WLAN_STA_WDS)
+		hostapd_set_wds_sta(hapd, sta->addr, sta->aid, 1);
+
+	if (sta->eapol_sm == NULL) {
+		/*
+		 * This STA does not use RADIUS server for EAP authentication,
+		 * so bind it to the selected VLAN interface now, since the
+		 * interface selection is not going to change anymore.
+		 */
+		if (ap_sta_bind_vlan(hapd, sta, 0) < 0)
+			goto fail;
+	} else if (sta->vlan_id) {
+		/* VLAN ID already set (e.g., by PMKSA caching), so bind STA */
+		if (ap_sta_bind_vlan(hapd, sta, 0) < 0)
+			goto fail;
+	}
+
+	hostapd_set_sta_flags(hapd, sta);
+
+	if (sta->auth_alg == WLAN_AUTH_FT)
+		wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT);
+	else
+		wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
+	hapd->new_assoc_sta_cb(hapd, sta, !new_assoc);
+
+	ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
+
+ fail:
+	/* Copy of the association request is not needed anymore */
+	if (sta->last_assoc_req) {
+		os_free(sta->last_assoc_req);
+		sta->last_assoc_req = NULL;
+	}
+}
+
+
+/**
+ * ieee802_11_mgmt_cb - Process management frame TX status callback
+ * @hapd: hostapd BSS data structure (the BSS from which the management frame
+ * was sent from)
+ * @buf: management frame data (starting from IEEE 802.11 header)
+ * @len: length of frame data in octets
+ * @stype: management frame subtype from frame control field
+ * @ok: Whether the frame was ACK'ed
+ */
+void ieee802_11_mgmt_cb(struct hostapd_data *hapd, const u8 *buf, size_t len,
+			u16 stype, int ok)
+{
+	const struct ieee80211_mgmt *mgmt;
+	mgmt = (const struct ieee80211_mgmt *) buf;
+
+	switch (stype) {
+	case WLAN_FC_STYPE_AUTH:
+		wpa_printf(MSG_DEBUG, "mgmt::auth cb");
+		handle_auth_cb(hapd, mgmt, len, ok);
+		break;
+	case WLAN_FC_STYPE_ASSOC_RESP:
+		wpa_printf(MSG_DEBUG, "mgmt::assoc_resp cb");
+		handle_assoc_cb(hapd, mgmt, len, 0, ok);
+		break;
+	case WLAN_FC_STYPE_REASSOC_RESP:
+		wpa_printf(MSG_DEBUG, "mgmt::reassoc_resp cb");
+		handle_assoc_cb(hapd, mgmt, len, 1, ok);
+		break;
+	case WLAN_FC_STYPE_PROBE_RESP:
+		wpa_printf(MSG_EXCESSIVE, "mgmt::proberesp cb");
+		break;
+	case WLAN_FC_STYPE_DEAUTH:
+		/* ignore */
+		break;
+	case WLAN_FC_STYPE_ACTION:
+		wpa_printf(MSG_DEBUG, "mgmt::action cb");
+		break;
+	default:
+		printf("unknown mgmt cb frame subtype %d\n", stype);
+		break;
+	}
+}
+
+
+int ieee802_11_get_mib(struct hostapd_data *hapd, char *buf, size_t buflen)
+{
+	/* TODO */
+	return 0;
+}
+
+
+int ieee802_11_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
+			   char *buf, size_t buflen)
+{
+	/* TODO */
+	return 0;
+}
+
+
+void hostapd_tx_status(struct hostapd_data *hapd, const u8 *addr,
+		       const u8 *buf, size_t len, int ack)
+{
+	struct sta_info *sta;
+	struct hostapd_iface *iface = hapd->iface;
+
+	sta = ap_get_sta(hapd, addr);
+	if (sta == NULL && iface->num_bss > 1) {
+		size_t j;
+		for (j = 0; j < iface->num_bss; j++) {
+			hapd = iface->bss[j];
+			sta = ap_get_sta(hapd, addr);
+			if (sta)
+				break;
+		}
+	}
+	if (sta == NULL)
+		return;
+	if (sta->flags & WLAN_STA_PENDING_POLL) {
+		wpa_printf(MSG_DEBUG, "STA " MACSTR " %s pending "
+			   "activity poll", MAC2STR(sta->addr),
+			   ack ? "ACKed" : "did not ACK");
+		if (ack)
+			sta->flags &= ~WLAN_STA_PENDING_POLL;
+	}
+
+	ieee802_1x_tx_status(hapd, sta, buf, len, ack);
+}
+
+
+void ieee802_11_rx_from_unknown(struct hostapd_data *hapd, const u8 *src,
+				int wds)
+{
+	struct sta_info *sta;
+
+	sta = ap_get_sta(hapd, src);
+	if (sta && (sta->flags & WLAN_STA_ASSOC)) {
+		if (wds && !(sta->flags & WLAN_STA_WDS)) {
+			wpa_printf(MSG_DEBUG, "Enable 4-address WDS mode for "
+				   "STA " MACSTR " (aid %u)",
+				   MAC2STR(sta->addr), sta->aid);
+			sta->flags |= WLAN_STA_WDS;
+			hostapd_set_wds_sta(hapd, sta->addr, sta->aid, 1);
+		}
+		return;
+	}
+
+	wpa_printf(MSG_DEBUG, "Data/PS-poll frame from not associated STA "
+		   MACSTR, MAC2STR(src));
+	if (src[0] & 0x01) {
+		/* Broadcast bit set in SA?! Ignore the frame silently. */
+		return;
+	}
+
+	if (sta && (sta->flags & WLAN_STA_ASSOC_REQ_OK)) {
+		wpa_printf(MSG_DEBUG, "Association Response to the STA has "
+			   "already been sent, but no TX status yet known - "
+			   "ignore Class 3 frame issue with " MACSTR,
+			   MAC2STR(src));
+		return;
+	}
+
+	if (sta && (sta->flags & WLAN_STA_AUTH))
+		hostapd_drv_sta_disassoc(
+			hapd, src,
+			WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
+	else
+		hostapd_drv_sta_deauth(
+			hapd, src,
+			WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
+}
+
+
+#endif /* CONFIG_NATIVE_WINDOWS */
diff --git a/src/ap/ieee802_11.h b/src/ap/ieee802_11.h
new file mode 100644
index 0000000..157198c
--- /dev/null
+++ b/src/ap/ieee802_11.h
@@ -0,0 +1,68 @@
+/*
+ * hostapd / IEEE 802.11 Management
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef IEEE802_11_H
+#define IEEE802_11_H
+
+struct hostapd_iface;
+struct hostapd_data;
+struct sta_info;
+struct hostapd_frame_info;
+struct ieee80211_ht_capabilities;
+
+void ieee802_11_mgmt(struct hostapd_data *hapd, const u8 *buf, size_t len,
+		     struct hostapd_frame_info *fi);
+void ieee802_11_mgmt_cb(struct hostapd_data *hapd, const u8 *buf, size_t len,
+			u16 stype, int ok);
+void ieee802_11_print_ssid(char *buf, const u8 *ssid, u8 len);
+#ifdef NEED_AP_MLME
+int ieee802_11_get_mib(struct hostapd_data *hapd, char *buf, size_t buflen);
+int ieee802_11_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
+			   char *buf, size_t buflen);
+#else /* NEED_AP_MLME */
+static inline int ieee802_11_get_mib(struct hostapd_data *hapd, char *buf,
+				     size_t buflen)
+{
+	return 0;
+}
+
+static inline int ieee802_11_get_mib_sta(struct hostapd_data *hapd,
+					 struct sta_info *sta,
+					 char *buf, size_t buflen)
+{
+	return 0;
+}
+#endif /* NEED_AP_MLME */
+u16 hostapd_own_capab_info(struct hostapd_data *hapd, struct sta_info *sta,
+			   int probe);
+u8 * hostapd_eid_ext_capab(struct hostapd_data *hapd, u8 *eid);
+u8 * hostapd_eid_supp_rates(struct hostapd_data *hapd, u8 *eid);
+u8 * hostapd_eid_ext_supp_rates(struct hostapd_data *hapd, u8 *eid);
+u8 * hostapd_eid_ht_capabilities(struct hostapd_data *hapd, u8 *eid);
+u8 * hostapd_eid_ht_operation(struct hostapd_data *hapd, u8 *eid);
+int hostapd_ht_operation_update(struct hostapd_iface *iface);
+void ieee802_11_send_sa_query_req(struct hostapd_data *hapd,
+				  const u8 *addr, const u8 *trans_id);
+void hostapd_get_ht_capab(struct hostapd_data *hapd,
+			  struct ieee80211_ht_capabilities *ht_cap,
+			  struct ieee80211_ht_capabilities *neg_ht_cap);
+u16 copy_sta_ht_capab(struct hostapd_data *hapd, struct sta_info *sta,
+		      const u8 *ht_capab, size_t ht_capab_len);
+void update_ht_state(struct hostapd_data *hapd, struct sta_info *sta);
+void hostapd_tx_status(struct hostapd_data *hapd, const u8 *addr,
+		       const u8 *buf, size_t len, int ack);
+void ieee802_11_rx_from_unknown(struct hostapd_data *hapd, const u8 *src,
+				int wds);
+
+#endif /* IEEE802_11_H */
diff --git a/src/ap/ieee802_11_auth.c b/src/ap/ieee802_11_auth.c
new file mode 100644
index 0000000..b933263
--- /dev/null
+++ b/src/ap/ieee802_11_auth.c
@@ -0,0 +1,524 @@
+/*
+ * hostapd / IEEE 802.11 authentication (ACL)
+ * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * Access control list for IEEE 802.11 authentication can uses statically
+ * configured ACL from configuration files or an external RADIUS server.
+ * Results from external RADIUS queries are cached to allow faster
+ * authentication frame processing.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "radius/radius.h"
+#include "radius/radius_client.h"
+#include "hostapd.h"
+#include "ap_config.h"
+#include "ap_drv_ops.h"
+#include "ieee802_11.h"
+#include "ieee802_11_auth.h"
+
+#define RADIUS_ACL_TIMEOUT 30
+
+
+struct hostapd_cached_radius_acl {
+	os_time_t timestamp;
+	macaddr addr;
+	int accepted; /* HOSTAPD_ACL_* */
+	struct hostapd_cached_radius_acl *next;
+	u32 session_timeout;
+	u32 acct_interim_interval;
+	int vlan_id;
+};
+
+
+struct hostapd_acl_query_data {
+	os_time_t timestamp;
+	u8 radius_id;
+	macaddr addr;
+	u8 *auth_msg; /* IEEE 802.11 authentication frame from station */
+	size_t auth_msg_len;
+	struct hostapd_acl_query_data *next;
+};
+
+
+#ifndef CONFIG_NO_RADIUS
+static void hostapd_acl_cache_free(struct hostapd_cached_radius_acl *acl_cache)
+{
+	struct hostapd_cached_radius_acl *prev;
+
+	while (acl_cache) {
+		prev = acl_cache;
+		acl_cache = acl_cache->next;
+		os_free(prev);
+	}
+}
+
+
+static int hostapd_acl_cache_get(struct hostapd_data *hapd, const u8 *addr,
+				 u32 *session_timeout,
+				 u32 *acct_interim_interval, int *vlan_id)
+{
+	struct hostapd_cached_radius_acl *entry;
+	struct os_time now;
+
+	os_get_time(&now);
+	entry = hapd->acl_cache;
+
+	while (entry) {
+		if (os_memcmp(entry->addr, addr, ETH_ALEN) == 0) {
+			if (now.sec - entry->timestamp > RADIUS_ACL_TIMEOUT)
+				return -1; /* entry has expired */
+			if (entry->accepted == HOSTAPD_ACL_ACCEPT_TIMEOUT)
+				if (session_timeout)
+					*session_timeout =
+						entry->session_timeout;
+			if (acct_interim_interval)
+				*acct_interim_interval =
+					entry->acct_interim_interval;
+			if (vlan_id)
+				*vlan_id = entry->vlan_id;
+			return entry->accepted;
+		}
+
+		entry = entry->next;
+	}
+
+	return -1;
+}
+#endif /* CONFIG_NO_RADIUS */
+
+
+static void hostapd_acl_query_free(struct hostapd_acl_query_data *query)
+{
+	if (query == NULL)
+		return;
+	os_free(query->auth_msg);
+	os_free(query);
+}
+
+
+#ifndef CONFIG_NO_RADIUS
+static int hostapd_radius_acl_query(struct hostapd_data *hapd, const u8 *addr,
+				    struct hostapd_acl_query_data *query)
+{
+	struct radius_msg *msg;
+	char buf[128];
+
+	query->radius_id = radius_client_get_id(hapd->radius);
+	msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST, query->radius_id);
+	if (msg == NULL)
+		return -1;
+
+	radius_msg_make_authenticator(msg, addr, ETH_ALEN);
+
+	os_snprintf(buf, sizeof(buf), RADIUS_ADDR_FORMAT, MAC2STR(addr));
+	if (!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME, (u8 *) buf,
+				 os_strlen(buf))) {
+		wpa_printf(MSG_DEBUG, "Could not add User-Name");
+		goto fail;
+	}
+
+	if (!radius_msg_add_attr_user_password(
+		    msg, (u8 *) buf, os_strlen(buf),
+		    hapd->conf->radius->auth_server->shared_secret,
+		    hapd->conf->radius->auth_server->shared_secret_len)) {
+		wpa_printf(MSG_DEBUG, "Could not add User-Password");
+		goto fail;
+	}
+
+	if (hapd->conf->own_ip_addr.af == AF_INET &&
+	    !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
+				 (u8 *) &hapd->conf->own_ip_addr.u.v4, 4)) {
+		wpa_printf(MSG_DEBUG, "Could not add NAS-IP-Address");
+		goto fail;
+	}
+
+#ifdef CONFIG_IPV6
+	if (hapd->conf->own_ip_addr.af == AF_INET6 &&
+	    !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IPV6_ADDRESS,
+				 (u8 *) &hapd->conf->own_ip_addr.u.v6, 16)) {
+		wpa_printf(MSG_DEBUG, "Could not add NAS-IPv6-Address");
+		goto fail;
+	}
+#endif /* CONFIG_IPV6 */
+
+	if (hapd->conf->nas_identifier &&
+	    !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IDENTIFIER,
+				 (u8 *) hapd->conf->nas_identifier,
+				 os_strlen(hapd->conf->nas_identifier))) {
+		wpa_printf(MSG_DEBUG, "Could not add NAS-Identifier");
+		goto fail;
+	}
+
+	os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT ":%s",
+		    MAC2STR(hapd->own_addr), hapd->conf->ssid.ssid);
+	if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLED_STATION_ID,
+				 (u8 *) buf, os_strlen(buf))) {
+		wpa_printf(MSG_DEBUG, "Could not add Called-Station-Id");
+		goto fail;
+	}
+
+	os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
+		    MAC2STR(addr));
+	if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
+				 (u8 *) buf, os_strlen(buf))) {
+		wpa_printf(MSG_DEBUG, "Could not add Calling-Station-Id");
+		goto fail;
+	}
+
+	if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
+				       RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
+		wpa_printf(MSG_DEBUG, "Could not add NAS-Port-Type");
+		goto fail;
+	}
+
+	os_snprintf(buf, sizeof(buf), "CONNECT 11Mbps 802.11b");
+	if (!radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
+				 (u8 *) buf, os_strlen(buf))) {
+		wpa_printf(MSG_DEBUG, "Could not add Connect-Info");
+		goto fail;
+	}
+
+	radius_client_send(hapd->radius, msg, RADIUS_AUTH, addr);
+	return 0;
+
+ fail:
+	radius_msg_free(msg);
+	return -1;
+}
+#endif /* CONFIG_NO_RADIUS */
+
+
+/**
+ * hostapd_allowed_address - Check whether a specified STA can be authenticated
+ * @hapd: hostapd BSS data
+ * @addr: MAC address of the STA
+ * @msg: Authentication message
+ * @len: Length of msg in octets
+ * @session_timeout: Buffer for returning session timeout (from RADIUS)
+ * @acct_interim_interval: Buffer for returning account interval (from RADIUS)
+ * @vlan_id: Buffer for returning VLAN ID
+ * Returns: HOSTAPD_ACL_ACCEPT, HOSTAPD_ACL_REJECT, or HOSTAPD_ACL_PENDING
+ */
+int hostapd_allowed_address(struct hostapd_data *hapd, const u8 *addr,
+			    const u8 *msg, size_t len, u32 *session_timeout,
+			    u32 *acct_interim_interval, int *vlan_id)
+{
+	if (session_timeout)
+		*session_timeout = 0;
+	if (acct_interim_interval)
+		*acct_interim_interval = 0;
+	if (vlan_id)
+		*vlan_id = 0;
+
+	if (hostapd_maclist_found(hapd->conf->accept_mac,
+				  hapd->conf->num_accept_mac, addr, vlan_id))
+		return HOSTAPD_ACL_ACCEPT;
+
+	if (hostapd_maclist_found(hapd->conf->deny_mac,
+				  hapd->conf->num_deny_mac, addr, vlan_id))
+		return HOSTAPD_ACL_REJECT;
+
+	if (hapd->conf->macaddr_acl == ACCEPT_UNLESS_DENIED)
+		return HOSTAPD_ACL_ACCEPT;
+	if (hapd->conf->macaddr_acl == DENY_UNLESS_ACCEPTED)
+		return HOSTAPD_ACL_REJECT;
+
+	if (hapd->conf->macaddr_acl == USE_EXTERNAL_RADIUS_AUTH) {
+#ifdef CONFIG_NO_RADIUS
+		return HOSTAPD_ACL_REJECT;
+#else /* CONFIG_NO_RADIUS */
+		struct hostapd_acl_query_data *query;
+
+		/* Check whether ACL cache has an entry for this station */
+		int res = hostapd_acl_cache_get(hapd, addr, session_timeout,
+						acct_interim_interval,
+						vlan_id);
+		if (res == HOSTAPD_ACL_ACCEPT ||
+		    res == HOSTAPD_ACL_ACCEPT_TIMEOUT)
+			return res;
+		if (res == HOSTAPD_ACL_REJECT)
+			return HOSTAPD_ACL_REJECT;
+
+		query = hapd->acl_queries;
+		while (query) {
+			if (os_memcmp(query->addr, addr, ETH_ALEN) == 0) {
+				/* pending query in RADIUS retransmit queue;
+				 * do not generate a new one */
+				return HOSTAPD_ACL_PENDING;
+			}
+			query = query->next;
+		}
+
+		if (!hapd->conf->radius->auth_server)
+			return HOSTAPD_ACL_REJECT;
+
+		/* No entry in the cache - query external RADIUS server */
+		query = os_zalloc(sizeof(*query));
+		if (query == NULL) {
+			wpa_printf(MSG_ERROR, "malloc for query data failed");
+			return HOSTAPD_ACL_REJECT;
+		}
+		time(&query->timestamp);
+		os_memcpy(query->addr, addr, ETH_ALEN);
+		if (hostapd_radius_acl_query(hapd, addr, query)) {
+			wpa_printf(MSG_DEBUG, "Failed to send Access-Request "
+				   "for ACL query.");
+			hostapd_acl_query_free(query);
+			return HOSTAPD_ACL_REJECT;
+		}
+
+		query->auth_msg = os_malloc(len);
+		if (query->auth_msg == NULL) {
+			wpa_printf(MSG_ERROR, "Failed to allocate memory for "
+				   "auth frame.");
+			hostapd_acl_query_free(query);
+			return HOSTAPD_ACL_REJECT;
+		}
+		os_memcpy(query->auth_msg, msg, len);
+		query->auth_msg_len = len;
+		query->next = hapd->acl_queries;
+		hapd->acl_queries = query;
+
+		/* Queued data will be processed in hostapd_acl_recv_radius()
+		 * when RADIUS server replies to the sent Access-Request. */
+		return HOSTAPD_ACL_PENDING;
+#endif /* CONFIG_NO_RADIUS */
+	}
+
+	return HOSTAPD_ACL_REJECT;
+}
+
+
+#ifndef CONFIG_NO_RADIUS
+static void hostapd_acl_expire_cache(struct hostapd_data *hapd, os_time_t now)
+{
+	struct hostapd_cached_radius_acl *prev, *entry, *tmp;
+
+	prev = NULL;
+	entry = hapd->acl_cache;
+
+	while (entry) {
+		if (now - entry->timestamp > RADIUS_ACL_TIMEOUT) {
+			wpa_printf(MSG_DEBUG, "Cached ACL entry for " MACSTR
+				   " has expired.", MAC2STR(entry->addr));
+			if (prev)
+				prev->next = entry->next;
+			else
+				hapd->acl_cache = entry->next;
+			hostapd_drv_set_radius_acl_expire(hapd, entry->addr);
+			tmp = entry;
+			entry = entry->next;
+			os_free(tmp);
+			continue;
+		}
+
+		prev = entry;
+		entry = entry->next;
+	}
+}
+
+
+static void hostapd_acl_expire_queries(struct hostapd_data *hapd,
+				       os_time_t now)
+{
+	struct hostapd_acl_query_data *prev, *entry, *tmp;
+
+	prev = NULL;
+	entry = hapd->acl_queries;
+
+	while (entry) {
+		if (now - entry->timestamp > RADIUS_ACL_TIMEOUT) {
+			wpa_printf(MSG_DEBUG, "ACL query for " MACSTR
+				   " has expired.", MAC2STR(entry->addr));
+			if (prev)
+				prev->next = entry->next;
+			else
+				hapd->acl_queries = entry->next;
+
+			tmp = entry;
+			entry = entry->next;
+			hostapd_acl_query_free(tmp);
+			continue;
+		}
+
+		prev = entry;
+		entry = entry->next;
+	}
+}
+
+
+/**
+ * hostapd_acl_expire - ACL cache expiration callback
+ * @eloop_ctx: struct hostapd_data *
+ * @timeout_ctx: Not used
+ */
+static void hostapd_acl_expire(void *eloop_ctx, void *timeout_ctx)
+{
+	struct hostapd_data *hapd = eloop_ctx;
+	struct os_time now;
+
+	os_get_time(&now);
+	hostapd_acl_expire_cache(hapd, now.sec);
+	hostapd_acl_expire_queries(hapd, now.sec);
+
+	eloop_register_timeout(10, 0, hostapd_acl_expire, hapd, NULL);
+}
+
+
+/**
+ * hostapd_acl_recv_radius - Process incoming RADIUS Authentication messages
+ * @msg: RADIUS response message
+ * @req: RADIUS request message
+ * @shared_secret: RADIUS shared secret
+ * @shared_secret_len: Length of shared_secret in octets
+ * @data: Context data (struct hostapd_data *)
+ * Returns: RADIUS_RX_PROCESSED if RADIUS message was a reply to ACL query (and
+ * was processed here) or RADIUS_RX_UNKNOWN if not.
+ */
+static RadiusRxResult
+hostapd_acl_recv_radius(struct radius_msg *msg, struct radius_msg *req,
+			const u8 *shared_secret, size_t shared_secret_len,
+			void *data)
+{
+	struct hostapd_data *hapd = data;
+	struct hostapd_acl_query_data *query, *prev;
+	struct hostapd_cached_radius_acl *cache;
+	struct radius_hdr *hdr = radius_msg_get_hdr(msg);
+
+	query = hapd->acl_queries;
+	prev = NULL;
+	while (query) {
+		if (query->radius_id == hdr->identifier)
+			break;
+		prev = query;
+		query = query->next;
+	}
+	if (query == NULL)
+		return RADIUS_RX_UNKNOWN;
+
+	wpa_printf(MSG_DEBUG, "Found matching Access-Request for RADIUS "
+		   "message (id=%d)", query->radius_id);
+
+	if (radius_msg_verify(msg, shared_secret, shared_secret_len, req, 0)) {
+		wpa_printf(MSG_INFO, "Incoming RADIUS packet did not have "
+			   "correct authenticator - dropped\n");
+		return RADIUS_RX_INVALID_AUTHENTICATOR;
+	}
+
+	if (hdr->code != RADIUS_CODE_ACCESS_ACCEPT &&
+	    hdr->code != RADIUS_CODE_ACCESS_REJECT) {
+		wpa_printf(MSG_DEBUG, "Unknown RADIUS message code %d to ACL "
+			   "query", hdr->code);
+		return RADIUS_RX_UNKNOWN;
+	}
+
+	/* Insert Accept/Reject info into ACL cache */
+	cache = os_zalloc(sizeof(*cache));
+	if (cache == NULL) {
+		wpa_printf(MSG_DEBUG, "Failed to add ACL cache entry");
+		goto done;
+	}
+	time(&cache->timestamp);
+	os_memcpy(cache->addr, query->addr, sizeof(cache->addr));
+	if (hdr->code == RADIUS_CODE_ACCESS_ACCEPT) {
+		if (radius_msg_get_attr_int32(msg, RADIUS_ATTR_SESSION_TIMEOUT,
+					      &cache->session_timeout) == 0)
+			cache->accepted = HOSTAPD_ACL_ACCEPT_TIMEOUT;
+		else
+			cache->accepted = HOSTAPD_ACL_ACCEPT;
+
+		if (radius_msg_get_attr_int32(
+			    msg, RADIUS_ATTR_ACCT_INTERIM_INTERVAL,
+			    &cache->acct_interim_interval) == 0 &&
+		    cache->acct_interim_interval < 60) {
+			wpa_printf(MSG_DEBUG, "Ignored too small "
+				   "Acct-Interim-Interval %d for STA " MACSTR,
+				   cache->acct_interim_interval,
+				   MAC2STR(query->addr));
+			cache->acct_interim_interval = 0;
+		}
+
+		cache->vlan_id = radius_msg_get_vlanid(msg);
+	} else
+		cache->accepted = HOSTAPD_ACL_REJECT;
+	cache->next = hapd->acl_cache;
+	hapd->acl_cache = cache;
+
+#ifdef CONFIG_DRIVER_RADIUS_ACL
+	hostapd_drv_set_radius_acl_auth(hapd, query->addr, cache->accepted,
+					cache->session_timeout);
+#else /* CONFIG_DRIVER_RADIUS_ACL */
+#ifdef NEED_AP_MLME
+	/* Re-send original authentication frame for 802.11 processing */
+	wpa_printf(MSG_DEBUG, "Re-sending authentication frame after "
+		   "successful RADIUS ACL query");
+	ieee802_11_mgmt(hapd, query->auth_msg, query->auth_msg_len, NULL);
+#endif /* NEED_AP_MLME */
+#endif /* CONFIG_DRIVER_RADIUS_ACL */
+
+ done:
+	if (prev == NULL)
+		hapd->acl_queries = query->next;
+	else
+		prev->next = query->next;
+
+	hostapd_acl_query_free(query);
+
+	return RADIUS_RX_PROCESSED;
+}
+#endif /* CONFIG_NO_RADIUS */
+
+
+/**
+ * hostapd_acl_init: Initialize IEEE 802.11 ACL
+ * @hapd: hostapd BSS data
+ * Returns: 0 on success, -1 on failure
+ */
+int hostapd_acl_init(struct hostapd_data *hapd)
+{
+#ifndef CONFIG_NO_RADIUS
+	if (radius_client_register(hapd->radius, RADIUS_AUTH,
+				   hostapd_acl_recv_radius, hapd))
+		return -1;
+
+	eloop_register_timeout(10, 0, hostapd_acl_expire, hapd, NULL);
+#endif /* CONFIG_NO_RADIUS */
+
+	return 0;
+}
+
+
+/**
+ * hostapd_acl_deinit - Deinitialize IEEE 802.11 ACL
+ * @hapd: hostapd BSS data
+ */
+void hostapd_acl_deinit(struct hostapd_data *hapd)
+{
+	struct hostapd_acl_query_data *query, *prev;
+
+#ifndef CONFIG_NO_RADIUS
+	eloop_cancel_timeout(hostapd_acl_expire, hapd, NULL);
+
+	hostapd_acl_cache_free(hapd->acl_cache);
+#endif /* CONFIG_NO_RADIUS */
+
+	query = hapd->acl_queries;
+	while (query) {
+		prev = query;
+		query = query->next;
+		hostapd_acl_query_free(prev);
+	}
+}
diff --git a/src/ap/ieee802_11_auth.h b/src/ap/ieee802_11_auth.h
new file mode 100644
index 0000000..b2971e5
--- /dev/null
+++ b/src/ap/ieee802_11_auth.h
@@ -0,0 +1,31 @@
+/*
+ * hostapd / IEEE 802.11 authentication (ACL)
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef IEEE802_11_AUTH_H
+#define IEEE802_11_AUTH_H
+
+enum {
+	HOSTAPD_ACL_REJECT = 0,
+	HOSTAPD_ACL_ACCEPT = 1,
+	HOSTAPD_ACL_PENDING = 2,
+	HOSTAPD_ACL_ACCEPT_TIMEOUT = 3
+};
+
+int hostapd_allowed_address(struct hostapd_data *hapd, const u8 *addr,
+			    const u8 *msg, size_t len, u32 *session_timeout,
+			    u32 *acct_interim_interval, int *vlan_id);
+int hostapd_acl_init(struct hostapd_data *hapd);
+void hostapd_acl_deinit(struct hostapd_data *hapd);
+
+#endif /* IEEE802_11_AUTH_H */
diff --git a/src/ap/ieee802_11_ht.c b/src/ap/ieee802_11_ht.c
new file mode 100644
index 0000000..3dce5cb
--- /dev/null
+++ b/src/ap/ieee802_11_ht.c
@@ -0,0 +1,267 @@
+/*
+ * hostapd / IEEE 802.11n HT
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2007-2008, Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "common/ieee802_11_defs.h"
+#include "drivers/driver.h"
+#include "hostapd.h"
+#include "ap_config.h"
+#include "sta_info.h"
+#include "beacon.h"
+#include "ieee802_11.h"
+
+
+u8 * hostapd_eid_ht_capabilities(struct hostapd_data *hapd, u8 *eid)
+{
+	struct ieee80211_ht_capabilities *cap;
+	u8 *pos = eid;
+
+	if (!hapd->iconf->ieee80211n || !hapd->iface->current_mode ||
+	    hapd->conf->disable_11n)
+		return eid;
+
+	*pos++ = WLAN_EID_HT_CAP;
+	*pos++ = sizeof(*cap);
+
+	cap = (struct ieee80211_ht_capabilities *) pos;
+	os_memset(cap, 0, sizeof(*cap));
+	cap->ht_capabilities_info = host_to_le16(hapd->iconf->ht_capab);
+	cap->a_mpdu_params = hapd->iface->current_mode->a_mpdu_params;
+	os_memcpy(cap->supported_mcs_set, hapd->iface->current_mode->mcs_set,
+		  16);
+
+	/* TODO: ht_extended_capabilities (now fully disabled) */
+	/* TODO: tx_bf_capability_info (now fully disabled) */
+	/* TODO: asel_capabilities (now fully disabled) */
+
+ 	pos += sizeof(*cap);
+
+	return pos;
+}
+
+
+u8 * hostapd_eid_ht_operation(struct hostapd_data *hapd, u8 *eid)
+{
+	struct ieee80211_ht_operation *oper;
+	u8 *pos = eid;
+
+	if (!hapd->iconf->ieee80211n || hapd->conf->disable_11n)
+		return eid;
+
+	*pos++ = WLAN_EID_HT_OPERATION;
+	*pos++ = sizeof(*oper);
+
+	oper = (struct ieee80211_ht_operation *) pos;
+	os_memset(oper, 0, sizeof(*oper));
+
+	oper->control_chan = hapd->iconf->channel;
+	oper->operation_mode = host_to_le16(hapd->iface->ht_op_mode);
+	if (hapd->iconf->secondary_channel == 1)
+		oper->ht_param |= HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE |
+			HT_INFO_HT_PARAM_REC_TRANS_CHNL_WIDTH;
+	if (hapd->iconf->secondary_channel == -1)
+		oper->ht_param |= HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW |
+			HT_INFO_HT_PARAM_REC_TRANS_CHNL_WIDTH;
+
+	pos += sizeof(*oper);
+
+	return pos;
+}
+
+
+/*
+op_mode
+Set to 0 (HT pure) under the followign conditions
+	- all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
+	- all STAs in the BSS are 20 MHz HT in 20 MHz BSS
+Set to 1 (HT non-member protection) if there may be non-HT STAs
+	in both the primary and the secondary channel
+Set to 2 if only HT STAs are associated in BSS,
+	however and at least one 20 MHz HT STA is associated
+Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
+*/
+int hostapd_ht_operation_update(struct hostapd_iface *iface)
+{
+	u16 cur_op_mode, new_op_mode;
+	int op_mode_changes = 0;
+
+	if (!iface->conf->ieee80211n || iface->conf->ht_op_mode_fixed)
+		return 0;
+
+	wpa_printf(MSG_DEBUG, "%s current operation mode=0x%X",
+		   __func__, iface->ht_op_mode);
+
+	if (!(iface->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT)
+	    && iface->num_sta_ht_no_gf) {
+		iface->ht_op_mode |=
+			HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
+		op_mode_changes++;
+	} else if ((iface->ht_op_mode &
+		    HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
+		   iface->num_sta_ht_no_gf == 0) {
+		iface->ht_op_mode &=
+			~HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
+		op_mode_changes++;
+	}
+
+	if (!(iface->ht_op_mode & HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
+	    (iface->num_sta_no_ht || iface->olbc_ht)) {
+		iface->ht_op_mode |= HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
+		op_mode_changes++;
+	} else if ((iface->ht_op_mode &
+		    HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
+		   (iface->num_sta_no_ht == 0 && !iface->olbc_ht)) {
+		iface->ht_op_mode &=
+			~HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
+		op_mode_changes++;
+	}
+
+	new_op_mode = 0;
+	if (iface->num_sta_no_ht)
+		new_op_mode = OP_MODE_MIXED;
+	else if ((iface->conf->ht_capab & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)
+		 && iface->num_sta_ht_20mhz)
+		new_op_mode = OP_MODE_20MHZ_HT_STA_ASSOCED;
+	else if (iface->olbc_ht)
+		new_op_mode = OP_MODE_MAY_BE_LEGACY_STAS;
+	else
+		new_op_mode = OP_MODE_PURE;
+
+	cur_op_mode = iface->ht_op_mode & HT_INFO_OPERATION_MODE_OP_MODE_MASK;
+	if (cur_op_mode != new_op_mode) {
+		iface->ht_op_mode &= ~HT_INFO_OPERATION_MODE_OP_MODE_MASK;
+		iface->ht_op_mode |= new_op_mode;
+		op_mode_changes++;
+	}
+
+	wpa_printf(MSG_DEBUG, "%s new operation mode=0x%X changes=%d",
+		   __func__, iface->ht_op_mode, op_mode_changes);
+
+	return op_mode_changes;
+}
+
+
+u16 copy_sta_ht_capab(struct hostapd_data *hapd, struct sta_info *sta,
+		      const u8 *ht_capab, size_t ht_capab_len)
+{
+	/* Disable HT caps for STAs associated to no-HT BSSes. */
+	if (!ht_capab ||
+	    ht_capab_len < sizeof(struct ieee80211_ht_capabilities) ||
+	    hapd->conf->disable_11n) {
+		sta->flags &= ~WLAN_STA_HT;
+		os_free(sta->ht_capabilities);
+		sta->ht_capabilities = NULL;
+		return WLAN_STATUS_SUCCESS;
+	}
+
+	if (sta->ht_capabilities == NULL) {
+		sta->ht_capabilities =
+			os_zalloc(sizeof(struct ieee80211_ht_capabilities));
+		if (sta->ht_capabilities == NULL)
+			return WLAN_STATUS_UNSPECIFIED_FAILURE;
+	}
+
+	sta->flags |= WLAN_STA_HT;
+	os_memcpy(sta->ht_capabilities, ht_capab,
+		  sizeof(struct ieee80211_ht_capabilities));
+
+	return WLAN_STATUS_SUCCESS;
+}
+
+
+static void update_sta_ht(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	u16 ht_capab;
+
+	ht_capab = le_to_host16(sta->ht_capabilities->ht_capabilities_info);
+	wpa_printf(MSG_DEBUG, "HT: STA " MACSTR " HT Capabilities Info: "
+		   "0x%04x", MAC2STR(sta->addr), ht_capab);
+	if ((ht_capab & HT_CAP_INFO_GREEN_FIELD) == 0) {
+		if (!sta->no_ht_gf_set) {
+			sta->no_ht_gf_set = 1;
+			hapd->iface->num_sta_ht_no_gf++;
+		}
+		wpa_printf(MSG_DEBUG, "%s STA " MACSTR " - no greenfield, num "
+			   "of non-gf stations %d",
+			   __func__, MAC2STR(sta->addr),
+			   hapd->iface->num_sta_ht_no_gf);
+	}
+	if ((ht_capab & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) == 0) {
+		if (!sta->ht_20mhz_set) {
+			sta->ht_20mhz_set = 1;
+			hapd->iface->num_sta_ht_20mhz++;
+		}
+		wpa_printf(MSG_DEBUG, "%s STA " MACSTR " - 20 MHz HT, num of "
+			   "20MHz HT STAs %d",
+			   __func__, MAC2STR(sta->addr),
+			   hapd->iface->num_sta_ht_20mhz);
+	}
+}
+
+
+static void update_sta_no_ht(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	if (!sta->no_ht_set) {
+		sta->no_ht_set = 1;
+		hapd->iface->num_sta_no_ht++;
+	}
+	if (hapd->iconf->ieee80211n) {
+		wpa_printf(MSG_DEBUG, "%s STA " MACSTR " - no HT, num of "
+			   "non-HT stations %d",
+			   __func__, MAC2STR(sta->addr),
+			   hapd->iface->num_sta_no_ht);
+	}
+}
+
+
+void update_ht_state(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	if ((sta->flags & WLAN_STA_HT) && sta->ht_capabilities)
+		update_sta_ht(hapd, sta);
+	else
+		update_sta_no_ht(hapd, sta);
+
+	if (hostapd_ht_operation_update(hapd->iface) > 0)
+		ieee802_11_set_beacons(hapd->iface);
+}
+
+
+void hostapd_get_ht_capab(struct hostapd_data *hapd,
+			  struct ieee80211_ht_capabilities *ht_cap,
+			  struct ieee80211_ht_capabilities *neg_ht_cap)
+{
+	u16 cap;
+
+	if (ht_cap == NULL)
+		return;
+	os_memcpy(neg_ht_cap, ht_cap, sizeof(*neg_ht_cap));
+	cap = le_to_host16(neg_ht_cap->ht_capabilities_info);
+	cap &= hapd->iconf->ht_capab;
+	cap |= (hapd->iconf->ht_capab & HT_CAP_INFO_SMPS_DISABLED);
+
+	/*
+	 * STBC needs to be handled specially
+	 * if we don't support RX STBC, mask out TX STBC in the STA's HT caps
+	 * if we don't support TX STBC, mask out RX STBC in the STA's HT caps
+	 */
+	if (!(hapd->iconf->ht_capab & HT_CAP_INFO_RX_STBC_MASK))
+		cap &= ~HT_CAP_INFO_TX_STBC;
+	if (!(hapd->iconf->ht_capab & HT_CAP_INFO_TX_STBC))
+		cap &= ~HT_CAP_INFO_RX_STBC_MASK;
+
+	neg_ht_cap->ht_capabilities_info = host_to_le16(cap);
+}
diff --git a/src/ap/ieee802_1x.c b/src/ap/ieee802_1x.c
new file mode 100644
index 0000000..ac0c127
--- /dev/null
+++ b/src/ap/ieee802_1x.c
@@ -0,0 +1,2085 @@
+/*
+ * hostapd / IEEE 802.1X-2004 Authenticator
+ * Copyright (c) 2002-2011, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "crypto/md5.h"
+#include "crypto/crypto.h"
+#include "crypto/random.h"
+#include "common/ieee802_11_defs.h"
+#include "common/wpa_ctrl.h"
+#include "radius/radius.h"
+#include "radius/radius_client.h"
+#include "eap_server/eap.h"
+#include "eap_common/eap_wsc_common.h"
+#include "eapol_auth/eapol_auth_sm.h"
+#include "eapol_auth/eapol_auth_sm_i.h"
+#include "hostapd.h"
+#include "accounting.h"
+#include "sta_info.h"
+#include "wpa_auth.h"
+#include "preauth_auth.h"
+#include "pmksa_cache_auth.h"
+#include "ap_config.h"
+#include "ap_drv_ops.h"
+#include "ieee802_1x.h"
+
+
+static void ieee802_1x_finished(struct hostapd_data *hapd,
+				struct sta_info *sta, int success);
+
+
+static void ieee802_1x_send(struct hostapd_data *hapd, struct sta_info *sta,
+			    u8 type, const u8 *data, size_t datalen)
+{
+	u8 *buf;
+	struct ieee802_1x_hdr *xhdr;
+	size_t len;
+	int encrypt = 0;
+
+	len = sizeof(*xhdr) + datalen;
+	buf = os_zalloc(len);
+	if (buf == NULL) {
+		wpa_printf(MSG_ERROR, "malloc() failed for "
+			   "ieee802_1x_send(len=%lu)",
+			   (unsigned long) len);
+		return;
+	}
+
+	xhdr = (struct ieee802_1x_hdr *) buf;
+	xhdr->version = hapd->conf->eapol_version;
+	xhdr->type = type;
+	xhdr->length = host_to_be16(datalen);
+
+	if (datalen > 0 && data != NULL)
+		os_memcpy(xhdr + 1, data, datalen);
+
+	if (wpa_auth_pairwise_set(sta->wpa_sm))
+		encrypt = 1;
+	if (sta->flags & WLAN_STA_PREAUTH) {
+		rsn_preauth_send(hapd, sta, buf, len);
+	} else {
+		hostapd_drv_hapd_send_eapol(hapd, sta->addr, buf, len,
+					    encrypt, sta->flags);
+	}
+
+	os_free(buf);
+}
+
+
+void ieee802_1x_set_sta_authorized(struct hostapd_data *hapd,
+				   struct sta_info *sta, int authorized)
+{
+	int res;
+
+	if (sta->flags & WLAN_STA_PREAUTH)
+		return;
+
+	if (authorized) {
+		if (!ap_sta_is_authorized(sta))
+			wpa_msg(hapd->msg_ctx, MSG_INFO,
+				AP_STA_CONNECTED MACSTR, MAC2STR(sta->addr));
+		ap_sta_set_authorized(hapd, sta, 1);
+		res = hostapd_set_authorized(hapd, sta, 1);
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X,
+			       HOSTAPD_LEVEL_DEBUG, "authorizing port");
+	} else {
+		if (ap_sta_is_authorized(sta) && (sta->flags & WLAN_STA_ASSOC))
+			wpa_msg(hapd->msg_ctx, MSG_INFO,
+				AP_STA_DISCONNECTED MACSTR,
+				MAC2STR(sta->addr));
+		ap_sta_set_authorized(hapd, sta, 0);
+		res = hostapd_set_authorized(hapd, sta, 0);
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X,
+			       HOSTAPD_LEVEL_DEBUG, "unauthorizing port");
+	}
+
+	if (res && errno != ENOENT) {
+		printf("Could not set station " MACSTR " flags for kernel "
+		       "driver (errno=%d).\n", MAC2STR(sta->addr), errno);
+	}
+
+	if (authorized)
+		accounting_sta_start(hapd, sta);
+}
+
+
+static void ieee802_1x_tx_key_one(struct hostapd_data *hapd,
+				  struct sta_info *sta,
+				  int idx, int broadcast,
+				  u8 *key_data, size_t key_len)
+{
+	u8 *buf, *ekey;
+	struct ieee802_1x_hdr *hdr;
+	struct ieee802_1x_eapol_key *key;
+	size_t len, ekey_len;
+	struct eapol_state_machine *sm = sta->eapol_sm;
+
+	if (sm == NULL)
+		return;
+
+	len = sizeof(*key) + key_len;
+	buf = os_zalloc(sizeof(*hdr) + len);
+	if (buf == NULL)
+		return;
+
+	hdr = (struct ieee802_1x_hdr *) buf;
+	key = (struct ieee802_1x_eapol_key *) (hdr + 1);
+	key->type = EAPOL_KEY_TYPE_RC4;
+	key->key_length = htons(key_len);
+	wpa_get_ntp_timestamp(key->replay_counter);
+
+	if (random_get_bytes(key->key_iv, sizeof(key->key_iv))) {
+		wpa_printf(MSG_ERROR, "Could not get random numbers");
+		os_free(buf);
+		return;
+	}
+
+	key->key_index = idx | (broadcast ? 0 : BIT(7));
+	if (hapd->conf->eapol_key_index_workaround) {
+		/* According to some information, WinXP Supplicant seems to
+		 * interpret bit7 as an indication whether the key is to be
+		 * activated, so make it possible to enable workaround that
+		 * sets this bit for all keys. */
+		key->key_index |= BIT(7);
+	}
+
+	/* Key is encrypted using "Key-IV + MSK[0..31]" as the RC4-key and
+	 * MSK[32..63] is used to sign the message. */
+	if (sm->eap_if->eapKeyData == NULL || sm->eap_if->eapKeyDataLen < 64) {
+		wpa_printf(MSG_ERROR, "No eapKeyData available for encrypting "
+			   "and signing EAPOL-Key");
+		os_free(buf);
+		return;
+	}
+	os_memcpy((u8 *) (key + 1), key_data, key_len);
+	ekey_len = sizeof(key->key_iv) + 32;
+	ekey = os_malloc(ekey_len);
+	if (ekey == NULL) {
+		wpa_printf(MSG_ERROR, "Could not encrypt key");
+		os_free(buf);
+		return;
+	}
+	os_memcpy(ekey, key->key_iv, sizeof(key->key_iv));
+	os_memcpy(ekey + sizeof(key->key_iv), sm->eap_if->eapKeyData, 32);
+	rc4_skip(ekey, ekey_len, 0, (u8 *) (key + 1), key_len);
+	os_free(ekey);
+
+	/* This header is needed here for HMAC-MD5, but it will be regenerated
+	 * in ieee802_1x_send() */
+	hdr->version = hapd->conf->eapol_version;
+	hdr->type = IEEE802_1X_TYPE_EAPOL_KEY;
+	hdr->length = host_to_be16(len);
+	hmac_md5(sm->eap_if->eapKeyData + 32, 32, buf, sizeof(*hdr) + len,
+		 key->key_signature);
+
+	wpa_printf(MSG_DEBUG, "IEEE 802.1X: Sending EAPOL-Key to " MACSTR
+		   " (%s index=%d)", MAC2STR(sm->addr),
+		   broadcast ? "broadcast" : "unicast", idx);
+	ieee802_1x_send(hapd, sta, IEEE802_1X_TYPE_EAPOL_KEY, (u8 *) key, len);
+	if (sta->eapol_sm)
+		sta->eapol_sm->dot1xAuthEapolFramesTx++;
+	os_free(buf);
+}
+
+
+#ifndef CONFIG_NO_VLAN
+static struct hostapd_wep_keys *
+ieee802_1x_group_alloc(struct hostapd_data *hapd, const char *ifname)
+{
+	struct hostapd_wep_keys *key;
+
+	key = os_zalloc(sizeof(*key));
+	if (key == NULL)
+		return NULL;
+
+	key->default_len = hapd->conf->default_wep_key_len;
+
+	if (key->idx >= hapd->conf->broadcast_key_idx_max ||
+	    key->idx < hapd->conf->broadcast_key_idx_min)
+		key->idx = hapd->conf->broadcast_key_idx_min;
+	else
+		key->idx++;
+
+	if (!key->key[key->idx])
+		key->key[key->idx] = os_malloc(key->default_len);
+	if (key->key[key->idx] == NULL ||
+	    random_get_bytes(key->key[key->idx], key->default_len)) {
+		printf("Could not generate random WEP key (dynamic VLAN).\n");
+		os_free(key->key[key->idx]);
+		key->key[key->idx] = NULL;
+		os_free(key);
+		return NULL;
+	}
+	key->len[key->idx] = key->default_len;
+
+	wpa_printf(MSG_DEBUG, "%s: Default WEP idx %d for dynamic VLAN\n",
+		   ifname, key->idx);
+	wpa_hexdump_key(MSG_DEBUG, "Default WEP key (dynamic VLAN)",
+			key->key[key->idx], key->len[key->idx]);
+
+	if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_WEP,
+				broadcast_ether_addr, key->idx, 1,
+				NULL, 0, key->key[key->idx],
+				key->len[key->idx]))
+		printf("Could not set dynamic VLAN WEP encryption key.\n");
+
+	hostapd_set_drv_ieee8021x(hapd, ifname, 1);
+
+	return key;
+}
+
+
+static struct hostapd_wep_keys *
+ieee802_1x_get_group(struct hostapd_data *hapd, struct hostapd_ssid *ssid,
+		     size_t vlan_id)
+{
+	const char *ifname;
+
+	if (vlan_id == 0)
+		return &ssid->wep;
+
+	if (vlan_id <= ssid->max_dyn_vlan_keys && ssid->dyn_vlan_keys &&
+	    ssid->dyn_vlan_keys[vlan_id])
+		return ssid->dyn_vlan_keys[vlan_id];
+
+	wpa_printf(MSG_DEBUG, "IEEE 802.1X: Creating new group "
+		   "state machine for VLAN ID %lu",
+		   (unsigned long) vlan_id);
+
+	ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id);
+	if (ifname == NULL) {
+		wpa_printf(MSG_DEBUG, "IEEE 802.1X: Unknown VLAN ID %lu - "
+			   "cannot create group key state machine",
+			   (unsigned long) vlan_id);
+		return NULL;
+	}
+
+	if (ssid->dyn_vlan_keys == NULL) {
+		int size = (vlan_id + 1) * sizeof(ssid->dyn_vlan_keys[0]);
+		ssid->dyn_vlan_keys = os_zalloc(size);
+		if (ssid->dyn_vlan_keys == NULL)
+			return NULL;
+		ssid->max_dyn_vlan_keys = vlan_id;
+	}
+
+	if (ssid->max_dyn_vlan_keys < vlan_id) {
+		struct hostapd_wep_keys **na;
+		int size = (vlan_id + 1) * sizeof(ssid->dyn_vlan_keys[0]);
+		na = os_realloc(ssid->dyn_vlan_keys, size);
+		if (na == NULL)
+			return NULL;
+		ssid->dyn_vlan_keys = na;
+		os_memset(&ssid->dyn_vlan_keys[ssid->max_dyn_vlan_keys + 1], 0,
+			  (vlan_id - ssid->max_dyn_vlan_keys) *
+			  sizeof(ssid->dyn_vlan_keys[0]));
+		ssid->max_dyn_vlan_keys = vlan_id;
+	}
+
+	ssid->dyn_vlan_keys[vlan_id] = ieee802_1x_group_alloc(hapd, ifname);
+
+	return ssid->dyn_vlan_keys[vlan_id];
+}
+#endif /* CONFIG_NO_VLAN */
+
+
+void ieee802_1x_tx_key(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	struct eapol_authenticator *eapol = hapd->eapol_auth;
+	struct eapol_state_machine *sm = sta->eapol_sm;
+#ifndef CONFIG_NO_VLAN
+	struct hostapd_wep_keys *key = NULL;
+	int vlan_id;
+#endif /* CONFIG_NO_VLAN */
+
+	if (sm == NULL || !sm->eap_if->eapKeyData)
+		return;
+
+	wpa_printf(MSG_DEBUG, "IEEE 802.1X: Sending EAPOL-Key(s) to " MACSTR,
+		   MAC2STR(sta->addr));
+
+#ifndef CONFIG_NO_VLAN
+	vlan_id = sta->vlan_id;
+	if (vlan_id < 0 || vlan_id > MAX_VLAN_ID)
+		vlan_id = 0;
+
+	if (vlan_id) {
+		key = ieee802_1x_get_group(hapd, sta->ssid, vlan_id);
+		if (key && key->key[key->idx])
+			ieee802_1x_tx_key_one(hapd, sta, key->idx, 1,
+					      key->key[key->idx],
+					      key->len[key->idx]);
+	} else
+#endif /* CONFIG_NO_VLAN */
+	if (eapol->default_wep_key) {
+		ieee802_1x_tx_key_one(hapd, sta, eapol->default_wep_key_idx, 1,
+				      eapol->default_wep_key,
+				      hapd->conf->default_wep_key_len);
+	}
+
+	if (hapd->conf->individual_wep_key_len > 0) {
+		u8 *ikey;
+		ikey = os_malloc(hapd->conf->individual_wep_key_len);
+		if (ikey == NULL ||
+		    random_get_bytes(ikey, hapd->conf->individual_wep_key_len))
+		{
+			wpa_printf(MSG_ERROR, "Could not generate random "
+				   "individual WEP key.");
+			os_free(ikey);
+			return;
+		}
+
+		wpa_hexdump_key(MSG_DEBUG, "Individual WEP key",
+				ikey, hapd->conf->individual_wep_key_len);
+
+		ieee802_1x_tx_key_one(hapd, sta, 0, 0, ikey,
+				      hapd->conf->individual_wep_key_len);
+
+		/* TODO: set encryption in TX callback, i.e., only after STA
+		 * has ACKed EAPOL-Key frame */
+		if (hostapd_drv_set_key(hapd->conf->iface, hapd, WPA_ALG_WEP,
+					sta->addr, 0, 1, NULL, 0, ikey,
+					hapd->conf->individual_wep_key_len)) {
+			wpa_printf(MSG_ERROR, "Could not set individual WEP "
+				   "encryption.");
+		}
+
+		os_free(ikey);
+	}
+}
+
+
+const char *radius_mode_txt(struct hostapd_data *hapd)
+{
+	switch (hapd->iface->conf->hw_mode) {
+	case HOSTAPD_MODE_IEEE80211A:
+		return "802.11a";
+	case HOSTAPD_MODE_IEEE80211G:
+		return "802.11g";
+	case HOSTAPD_MODE_IEEE80211B:
+	default:
+		return "802.11b";
+	}
+}
+
+
+int radius_sta_rate(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	int i;
+	u8 rate = 0;
+
+	for (i = 0; i < sta->supported_rates_len; i++)
+		if ((sta->supported_rates[i] & 0x7f) > rate)
+			rate = sta->supported_rates[i] & 0x7f;
+
+	return rate;
+}
+
+
+#ifndef CONFIG_NO_RADIUS
+static void ieee802_1x_learn_identity(struct hostapd_data *hapd,
+				      struct eapol_state_machine *sm,
+				      const u8 *eap, size_t len)
+{
+	const u8 *identity;
+	size_t identity_len;
+
+	if (len <= sizeof(struct eap_hdr) ||
+	    eap[sizeof(struct eap_hdr)] != EAP_TYPE_IDENTITY)
+		return;
+
+	identity = eap_get_identity(sm->eap, &identity_len);
+	if (identity == NULL)
+		return;
+
+	/* Save station identity for future RADIUS packets */
+	os_free(sm->identity);
+	sm->identity = os_malloc(identity_len + 1);
+	if (sm->identity == NULL) {
+		sm->identity_len = 0;
+		return;
+	}
+
+	os_memcpy(sm->identity, identity, identity_len);
+	sm->identity_len = identity_len;
+	sm->identity[identity_len] = '\0';
+	hostapd_logger(hapd, sm->addr, HOSTAPD_MODULE_IEEE8021X,
+		       HOSTAPD_LEVEL_DEBUG, "STA identity '%s'", sm->identity);
+	sm->dot1xAuthEapolRespIdFramesRx++;
+}
+
+
+static void ieee802_1x_encapsulate_radius(struct hostapd_data *hapd,
+					  struct sta_info *sta,
+					  const u8 *eap, size_t len)
+{
+	struct radius_msg *msg;
+	char buf[128];
+	struct eapol_state_machine *sm = sta->eapol_sm;
+
+	if (sm == NULL)
+		return;
+
+	ieee802_1x_learn_identity(hapd, sm, eap, len);
+
+	wpa_printf(MSG_DEBUG, "Encapsulating EAP message into a RADIUS "
+		   "packet");
+
+	sm->radius_identifier = radius_client_get_id(hapd->radius);
+	msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST,
+			     sm->radius_identifier);
+	if (msg == NULL) {
+		printf("Could not create net RADIUS packet\n");
+		return;
+	}
+
+	radius_msg_make_authenticator(msg, (u8 *) sta, sizeof(*sta));
+
+	if (sm->identity &&
+	    !radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
+				 sm->identity, sm->identity_len)) {
+		printf("Could not add User-Name\n");
+		goto fail;
+	}
+
+	if (hapd->conf->own_ip_addr.af == AF_INET &&
+	    !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
+				 (u8 *) &hapd->conf->own_ip_addr.u.v4, 4)) {
+		printf("Could not add NAS-IP-Address\n");
+		goto fail;
+	}
+
+#ifdef CONFIG_IPV6
+	if (hapd->conf->own_ip_addr.af == AF_INET6 &&
+	    !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IPV6_ADDRESS,
+				 (u8 *) &hapd->conf->own_ip_addr.u.v6, 16)) {
+		printf("Could not add NAS-IPv6-Address\n");
+		goto fail;
+	}
+#endif /* CONFIG_IPV6 */
+
+	if (hapd->conf->nas_identifier &&
+	    !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IDENTIFIER,
+				 (u8 *) hapd->conf->nas_identifier,
+				 os_strlen(hapd->conf->nas_identifier))) {
+		printf("Could not add NAS-Identifier\n");
+		goto fail;
+	}
+
+	if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT, sta->aid)) {
+		printf("Could not add NAS-Port\n");
+		goto fail;
+	}
+
+	os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT ":%s",
+		    MAC2STR(hapd->own_addr), hapd->conf->ssid.ssid);
+	buf[sizeof(buf) - 1] = '\0';
+	if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLED_STATION_ID,
+				 (u8 *) buf, os_strlen(buf))) {
+		printf("Could not add Called-Station-Id\n");
+		goto fail;
+	}
+
+	os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
+		    MAC2STR(sta->addr));
+	buf[sizeof(buf) - 1] = '\0';
+	if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
+				 (u8 *) buf, os_strlen(buf))) {
+		printf("Could not add Calling-Station-Id\n");
+		goto fail;
+	}
+
+	/* TODO: should probably check MTU from driver config; 2304 is max for
+	 * IEEE 802.11, but use 1400 to avoid problems with too large packets
+	 */
+	if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_FRAMED_MTU, 1400)) {
+		printf("Could not add Framed-MTU\n");
+		goto fail;
+	}
+
+	if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
+				       RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
+		printf("Could not add NAS-Port-Type\n");
+		goto fail;
+	}
+
+	if (sta->flags & WLAN_STA_PREAUTH) {
+		os_strlcpy(buf, "IEEE 802.11i Pre-Authentication",
+			   sizeof(buf));
+	} else {
+		os_snprintf(buf, sizeof(buf), "CONNECT %d%sMbps %s",
+			    radius_sta_rate(hapd, sta) / 2,
+			    (radius_sta_rate(hapd, sta) & 1) ? ".5" : "",
+			    radius_mode_txt(hapd));
+		buf[sizeof(buf) - 1] = '\0';
+	}
+	if (!radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
+				 (u8 *) buf, os_strlen(buf))) {
+		printf("Could not add Connect-Info\n");
+		goto fail;
+	}
+
+	if (eap && !radius_msg_add_eap(msg, eap, len)) {
+		printf("Could not add EAP-Message\n");
+		goto fail;
+	}
+
+	/* State attribute must be copied if and only if this packet is
+	 * Access-Request reply to the previous Access-Challenge */
+	if (sm->last_recv_radius &&
+	    radius_msg_get_hdr(sm->last_recv_radius)->code ==
+	    RADIUS_CODE_ACCESS_CHALLENGE) {
+		int res = radius_msg_copy_attr(msg, sm->last_recv_radius,
+					       RADIUS_ATTR_STATE);
+		if (res < 0) {
+			printf("Could not copy State attribute from previous "
+			       "Access-Challenge\n");
+			goto fail;
+		}
+		if (res > 0) {
+			wpa_printf(MSG_DEBUG, "Copied RADIUS State Attribute");
+		}
+	}
+
+	if (radius_client_send(hapd->radius, msg, RADIUS_AUTH, sta->addr) < 0)
+		goto fail;
+
+	return;
+
+ fail:
+	radius_msg_free(msg);
+}
+#endif /* CONFIG_NO_RADIUS */
+
+
+static void handle_eap_response(struct hostapd_data *hapd,
+				struct sta_info *sta, struct eap_hdr *eap,
+				size_t len)
+{
+	u8 type, *data;
+	struct eapol_state_machine *sm = sta->eapol_sm;
+	if (sm == NULL)
+		return;
+
+	data = (u8 *) (eap + 1);
+
+	if (len < sizeof(*eap) + 1) {
+		printf("handle_eap_response: too short response data\n");
+		return;
+	}
+
+	sm->eap_type_supp = type = data[0];
+
+	hostapd_logger(hapd, sm->addr, HOSTAPD_MODULE_IEEE8021X,
+		       HOSTAPD_LEVEL_DEBUG, "received EAP packet (code=%d "
+		       "id=%d len=%d) from STA: EAP Response-%s (%d)",
+		       eap->code, eap->identifier, be_to_host16(eap->length),
+		       eap_server_get_name(0, type), type);
+
+	sm->dot1xAuthEapolRespFramesRx++;
+
+	wpabuf_free(sm->eap_if->eapRespData);
+	sm->eap_if->eapRespData = wpabuf_alloc_copy(eap, len);
+	sm->eapolEap = TRUE;
+}
+
+
+/* Process incoming EAP packet from Supplicant */
+static void handle_eap(struct hostapd_data *hapd, struct sta_info *sta,
+		       u8 *buf, size_t len)
+{
+	struct eap_hdr *eap;
+	u16 eap_len;
+
+	if (len < sizeof(*eap)) {
+		printf("   too short EAP packet\n");
+		return;
+	}
+
+	eap = (struct eap_hdr *) buf;
+
+	eap_len = be_to_host16(eap->length);
+	wpa_printf(MSG_DEBUG, "EAP: code=%d identifier=%d length=%d",
+		   eap->code, eap->identifier, eap_len);
+	if (eap_len < sizeof(*eap)) {
+		wpa_printf(MSG_DEBUG, "   Invalid EAP length");
+		return;
+	} else if (eap_len > len) {
+		wpa_printf(MSG_DEBUG, "   Too short frame to contain this EAP "
+			   "packet");
+		return;
+	} else if (eap_len < len) {
+		wpa_printf(MSG_DEBUG, "   Ignoring %lu extra bytes after EAP "
+			   "packet", (unsigned long) len - eap_len);
+	}
+
+	switch (eap->code) {
+	case EAP_CODE_REQUEST:
+		wpa_printf(MSG_DEBUG, " (request)");
+		return;
+	case EAP_CODE_RESPONSE:
+		wpa_printf(MSG_DEBUG, " (response)");
+		handle_eap_response(hapd, sta, eap, eap_len);
+		break;
+	case EAP_CODE_SUCCESS:
+		wpa_printf(MSG_DEBUG, " (success)");
+		return;
+	case EAP_CODE_FAILURE:
+		wpa_printf(MSG_DEBUG, " (failure)");
+		return;
+	default:
+		wpa_printf(MSG_DEBUG, " (unknown code)");
+		return;
+	}
+}
+
+
+static struct eapol_state_machine *
+ieee802_1x_alloc_eapol_sm(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	int flags = 0;
+	if (sta->flags & WLAN_STA_PREAUTH)
+		flags |= EAPOL_SM_PREAUTH;
+	if (sta->wpa_sm) {
+		flags |= EAPOL_SM_USES_WPA;
+		if (wpa_auth_sta_get_pmksa(sta->wpa_sm))
+			flags |= EAPOL_SM_FROM_PMKSA_CACHE;
+	}
+	return eapol_auth_alloc(hapd->eapol_auth, sta->addr, flags,
+				sta->wps_ie, sta->p2p_ie, sta);
+}
+
+
+/**
+ * ieee802_1x_receive - Process the EAPOL frames from the Supplicant
+ * @hapd: hostapd BSS data
+ * @sa: Source address (sender of the EAPOL frame)
+ * @buf: EAPOL frame
+ * @len: Length of buf in octets
+ *
+ * This function is called for each incoming EAPOL frame from the interface
+ */
+void ieee802_1x_receive(struct hostapd_data *hapd, const u8 *sa, const u8 *buf,
+			size_t len)
+{
+	struct sta_info *sta;
+	struct ieee802_1x_hdr *hdr;
+	struct ieee802_1x_eapol_key *key;
+	u16 datalen;
+	struct rsn_pmksa_cache_entry *pmksa;
+	int key_mgmt;
+
+	if (!hapd->conf->ieee802_1x && !hapd->conf->wpa &&
+	    !hapd->conf->wps_state)
+		return;
+
+	wpa_printf(MSG_DEBUG, "IEEE 802.1X: %lu bytes from " MACSTR,
+		   (unsigned long) len, MAC2STR(sa));
+	sta = ap_get_sta(hapd, sa);
+	if (!sta || !(sta->flags & (WLAN_STA_ASSOC | WLAN_STA_PREAUTH))) {
+		wpa_printf(MSG_DEBUG, "IEEE 802.1X data frame from not "
+			   "associated/Pre-authenticating STA");
+		return;
+	}
+
+	if (len < sizeof(*hdr)) {
+		printf("   too short IEEE 802.1X packet\n");
+		return;
+	}
+
+	hdr = (struct ieee802_1x_hdr *) buf;
+	datalen = be_to_host16(hdr->length);
+	wpa_printf(MSG_DEBUG, "   IEEE 802.1X: version=%d type=%d length=%d",
+		   hdr->version, hdr->type, datalen);
+
+	if (len - sizeof(*hdr) < datalen) {
+		printf("   frame too short for this IEEE 802.1X packet\n");
+		if (sta->eapol_sm)
+			sta->eapol_sm->dot1xAuthEapLengthErrorFramesRx++;
+		return;
+	}
+	if (len - sizeof(*hdr) > datalen) {
+		wpa_printf(MSG_DEBUG, "   ignoring %lu extra octets after "
+			   "IEEE 802.1X packet",
+			   (unsigned long) len - sizeof(*hdr) - datalen);
+	}
+
+	if (sta->eapol_sm) {
+		sta->eapol_sm->dot1xAuthLastEapolFrameVersion = hdr->version;
+		sta->eapol_sm->dot1xAuthEapolFramesRx++;
+	}
+
+	key = (struct ieee802_1x_eapol_key *) (hdr + 1);
+	if (datalen >= sizeof(struct ieee802_1x_eapol_key) &&
+	    hdr->type == IEEE802_1X_TYPE_EAPOL_KEY &&
+	    (key->type == EAPOL_KEY_TYPE_WPA ||
+	     key->type == EAPOL_KEY_TYPE_RSN)) {
+		wpa_receive(hapd->wpa_auth, sta->wpa_sm, (u8 *) hdr,
+			    sizeof(*hdr) + datalen);
+		return;
+	}
+
+	if (!hapd->conf->ieee802_1x &&
+	    !(sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS))) {
+		wpa_printf(MSG_DEBUG, "IEEE 802.1X: Ignore EAPOL message - "
+			   "802.1X not enabled and WPS not used");
+		return;
+	}
+
+	key_mgmt = wpa_auth_sta_key_mgmt(sta->wpa_sm);
+	if (key_mgmt != -1 && wpa_key_mgmt_wpa_psk(key_mgmt)) {
+		wpa_printf(MSG_DEBUG, "IEEE 802.1X: Ignore EAPOL message - "
+			   "STA is using PSK");
+		return;
+	}
+
+	if (!sta->eapol_sm) {
+		sta->eapol_sm = ieee802_1x_alloc_eapol_sm(hapd, sta);
+		if (!sta->eapol_sm)
+			return;
+
+#ifdef CONFIG_WPS
+		if (!hapd->conf->ieee802_1x &&
+		    ((sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS)) ==
+		     WLAN_STA_MAYBE_WPS)) {
+			/*
+			 * Delay EAPOL frame transmission until a possible WPS
+			 * STA initiates the handshake with EAPOL-Start.
+			 */
+			sta->eapol_sm->flags |= EAPOL_SM_WAIT_START;
+		}
+#endif /* CONFIG_WPS */
+
+		sta->eapol_sm->eap_if->portEnabled = TRUE;
+	}
+
+	/* since we support version 1, we can ignore version field and proceed
+	 * as specified in version 1 standard [IEEE Std 802.1X-2001, 7.5.5] */
+	/* TODO: actually, we are not version 1 anymore.. However, Version 2
+	 * does not change frame contents, so should be ok to process frames
+	 * more or less identically. Some changes might be needed for
+	 * verification of fields. */
+
+	switch (hdr->type) {
+	case IEEE802_1X_TYPE_EAP_PACKET:
+		handle_eap(hapd, sta, (u8 *) (hdr + 1), datalen);
+		break;
+
+	case IEEE802_1X_TYPE_EAPOL_START:
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X,
+			       HOSTAPD_LEVEL_DEBUG, "received EAPOL-Start "
+			       "from STA");
+		sta->eapol_sm->flags &= ~EAPOL_SM_WAIT_START;
+		pmksa = wpa_auth_sta_get_pmksa(sta->wpa_sm);
+		if (pmksa) {
+			hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_WPA,
+				       HOSTAPD_LEVEL_DEBUG, "cached PMKSA "
+				       "available - ignore it since "
+				       "STA sent EAPOL-Start");
+			wpa_auth_sta_clear_pmksa(sta->wpa_sm, pmksa);
+		}
+		sta->eapol_sm->eapolStart = TRUE;
+		sta->eapol_sm->dot1xAuthEapolStartFramesRx++;
+		eap_server_clear_identity(sta->eapol_sm->eap);
+		wpa_auth_sm_event(sta->wpa_sm, WPA_REAUTH_EAPOL);
+		break;
+
+	case IEEE802_1X_TYPE_EAPOL_LOGOFF:
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X,
+			       HOSTAPD_LEVEL_DEBUG, "received EAPOL-Logoff "
+			       "from STA");
+		sta->acct_terminate_cause =
+			RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
+		accounting_sta_stop(hapd, sta);
+		sta->eapol_sm->eapolLogoff = TRUE;
+		sta->eapol_sm->dot1xAuthEapolLogoffFramesRx++;
+		eap_server_clear_identity(sta->eapol_sm->eap);
+		break;
+
+	case IEEE802_1X_TYPE_EAPOL_KEY:
+		wpa_printf(MSG_DEBUG, "   EAPOL-Key");
+		if (!ap_sta_is_authorized(sta)) {
+			wpa_printf(MSG_DEBUG, "   Dropped key data from "
+				   "unauthorized Supplicant");
+			break;
+		}
+		break;
+
+	case IEEE802_1X_TYPE_EAPOL_ENCAPSULATED_ASF_ALERT:
+		wpa_printf(MSG_DEBUG, "   EAPOL-Encapsulated-ASF-Alert");
+		/* TODO: implement support for this; show data */
+		break;
+
+	default:
+		wpa_printf(MSG_DEBUG, "   unknown IEEE 802.1X packet type");
+		sta->eapol_sm->dot1xAuthInvalidEapolFramesRx++;
+		break;
+	}
+
+	eapol_auth_step(sta->eapol_sm);
+}
+
+
+/**
+ * ieee802_1x_new_station - Start IEEE 802.1X authentication
+ * @hapd: hostapd BSS data
+ * @sta: The station
+ *
+ * This function is called to start IEEE 802.1X authentication when a new
+ * station completes IEEE 802.11 association.
+ */
+void ieee802_1x_new_station(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	struct rsn_pmksa_cache_entry *pmksa;
+	int reassoc = 1;
+	int force_1x = 0;
+	int key_mgmt;
+
+#ifdef CONFIG_WPS
+	if (hapd->conf->wps_state && hapd->conf->wpa &&
+	    (sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS))) {
+		/*
+		 * Need to enable IEEE 802.1X/EAPOL state machines for possible
+		 * WPS handshake even if IEEE 802.1X/EAPOL is not used for
+		 * authentication in this BSS.
+		 */
+		force_1x = 1;
+	}
+#endif /* CONFIG_WPS */
+
+	if (!force_1x && !hapd->conf->ieee802_1x) {
+		wpa_printf(MSG_DEBUG, "IEEE 802.1X: Ignore STA - "
+			   "802.1X not enabled or forced for WPS");
+		return;
+	}
+
+	key_mgmt = wpa_auth_sta_key_mgmt(sta->wpa_sm);
+	if (key_mgmt != -1 && wpa_key_mgmt_wpa_psk(key_mgmt)) {
+		wpa_printf(MSG_DEBUG, "IEEE 802.1X: Ignore STA - using PSK");
+		return;
+	}
+
+	if (sta->eapol_sm == NULL) {
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X,
+			       HOSTAPD_LEVEL_DEBUG, "start authentication");
+		sta->eapol_sm = ieee802_1x_alloc_eapol_sm(hapd, sta);
+		if (sta->eapol_sm == NULL) {
+			hostapd_logger(hapd, sta->addr,
+				       HOSTAPD_MODULE_IEEE8021X,
+				       HOSTAPD_LEVEL_INFO,
+				       "failed to allocate state machine");
+			return;
+		}
+		reassoc = 0;
+	}
+
+#ifdef CONFIG_WPS
+	sta->eapol_sm->flags &= ~EAPOL_SM_WAIT_START;
+	if (!hapd->conf->ieee802_1x && !(sta->flags & WLAN_STA_WPS)) {
+		/*
+		 * Delay EAPOL frame transmission until a possible WPS
+		 * initiates the handshake with EAPOL-Start.
+		 */
+		sta->eapol_sm->flags |= EAPOL_SM_WAIT_START;
+	}
+#endif /* CONFIG_WPS */
+
+	sta->eapol_sm->eap_if->portEnabled = TRUE;
+
+#ifdef CONFIG_IEEE80211R
+	if (sta->auth_alg == WLAN_AUTH_FT) {
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X,
+			       HOSTAPD_LEVEL_DEBUG,
+			       "PMK from FT - skip IEEE 802.1X/EAP");
+		/* Setup EAPOL state machines to already authenticated state
+		 * because of existing FT information from R0KH. */
+		sta->eapol_sm->keyRun = TRUE;
+		sta->eapol_sm->eap_if->eapKeyAvailable = TRUE;
+		sta->eapol_sm->auth_pae_state = AUTH_PAE_AUTHENTICATING;
+		sta->eapol_sm->be_auth_state = BE_AUTH_SUCCESS;
+		sta->eapol_sm->authSuccess = TRUE;
+		if (sta->eapol_sm->eap)
+			eap_sm_notify_cached(sta->eapol_sm->eap);
+		/* TODO: get vlan_id from R0KH using RRB message */
+		return;
+	}
+#endif /* CONFIG_IEEE80211R */
+
+	pmksa = wpa_auth_sta_get_pmksa(sta->wpa_sm);
+	if (pmksa) {
+		int old_vlanid;
+
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X,
+			       HOSTAPD_LEVEL_DEBUG,
+			       "PMK from PMKSA cache - skip IEEE 802.1X/EAP");
+		/* Setup EAPOL state machines to already authenticated state
+		 * because of existing PMKSA information in the cache. */
+		sta->eapol_sm->keyRun = TRUE;
+		sta->eapol_sm->eap_if->eapKeyAvailable = TRUE;
+		sta->eapol_sm->auth_pae_state = AUTH_PAE_AUTHENTICATING;
+		sta->eapol_sm->be_auth_state = BE_AUTH_SUCCESS;
+		sta->eapol_sm->authSuccess = TRUE;
+		if (sta->eapol_sm->eap)
+			eap_sm_notify_cached(sta->eapol_sm->eap);
+		old_vlanid = sta->vlan_id;
+		pmksa_cache_to_eapol_data(pmksa, sta->eapol_sm);
+		if (sta->ssid->dynamic_vlan == DYNAMIC_VLAN_DISABLED)
+			sta->vlan_id = 0;
+		ap_sta_bind_vlan(hapd, sta, old_vlanid);
+	} else {
+		if (reassoc) {
+			/*
+			 * Force EAPOL state machines to start
+			 * re-authentication without having to wait for the
+			 * Supplicant to send EAPOL-Start.
+			 */
+			sta->eapol_sm->reAuthenticate = TRUE;
+		}
+		eapol_auth_step(sta->eapol_sm);
+	}
+}
+
+
+void ieee802_1x_free_station(struct sta_info *sta)
+{
+	struct eapol_state_machine *sm = sta->eapol_sm;
+
+	if (sm == NULL)
+		return;
+
+	sta->eapol_sm = NULL;
+
+#ifndef CONFIG_NO_RADIUS
+	radius_msg_free(sm->last_recv_radius);
+	radius_free_class(&sm->radius_class);
+#endif /* CONFIG_NO_RADIUS */
+
+	os_free(sm->identity);
+	eapol_auth_free(sm);
+}
+
+
+#ifndef CONFIG_NO_RADIUS
+static void ieee802_1x_decapsulate_radius(struct hostapd_data *hapd,
+					  struct sta_info *sta)
+{
+	u8 *eap;
+	size_t len;
+	struct eap_hdr *hdr;
+	int eap_type = -1;
+	char buf[64];
+	struct radius_msg *msg;
+	struct eapol_state_machine *sm = sta->eapol_sm;
+
+	if (sm == NULL || sm->last_recv_radius == NULL) {
+		if (sm)
+			sm->eap_if->aaaEapNoReq = TRUE;
+		return;
+	}
+
+	msg = sm->last_recv_radius;
+
+	eap = radius_msg_get_eap(msg, &len);
+	if (eap == NULL) {
+		/* RFC 3579, Chap. 2.6.3:
+		 * RADIUS server SHOULD NOT send Access-Reject/no EAP-Message
+		 * attribute */
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X,
+			       HOSTAPD_LEVEL_WARNING, "could not extract "
+			       "EAP-Message from RADIUS message");
+		sm->eap_if->aaaEapNoReq = TRUE;
+		return;
+	}
+
+	if (len < sizeof(*hdr)) {
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X,
+			       HOSTAPD_LEVEL_WARNING, "too short EAP packet "
+			       "received from authentication server");
+		os_free(eap);
+		sm->eap_if->aaaEapNoReq = TRUE;
+		return;
+	}
+
+	if (len > sizeof(*hdr))
+		eap_type = eap[sizeof(*hdr)];
+
+	hdr = (struct eap_hdr *) eap;
+	switch (hdr->code) {
+	case EAP_CODE_REQUEST:
+		if (eap_type >= 0)
+			sm->eap_type_authsrv = eap_type;
+		os_snprintf(buf, sizeof(buf), "EAP-Request-%s (%d)",
+			    eap_type >= 0 ? eap_server_get_name(0, eap_type) :
+			    "??",
+			    eap_type);
+		break;
+	case EAP_CODE_RESPONSE:
+		os_snprintf(buf, sizeof(buf), "EAP Response-%s (%d)",
+			    eap_type >= 0 ? eap_server_get_name(0, eap_type) :
+			    "??",
+			    eap_type);
+		break;
+	case EAP_CODE_SUCCESS:
+		os_strlcpy(buf, "EAP Success", sizeof(buf));
+		break;
+	case EAP_CODE_FAILURE:
+		os_strlcpy(buf, "EAP Failure", sizeof(buf));
+		break;
+	default:
+		os_strlcpy(buf, "unknown EAP code", sizeof(buf));
+		break;
+	}
+	buf[sizeof(buf) - 1] = '\0';
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X,
+		       HOSTAPD_LEVEL_DEBUG, "decapsulated EAP packet (code=%d "
+		       "id=%d len=%d) from RADIUS server: %s",
+		       hdr->code, hdr->identifier, be_to_host16(hdr->length),
+		       buf);
+	sm->eap_if->aaaEapReq = TRUE;
+
+	wpabuf_free(sm->eap_if->aaaEapReqData);
+	sm->eap_if->aaaEapReqData = wpabuf_alloc_ext_data(eap, len);
+}
+
+
+static void ieee802_1x_get_keys(struct hostapd_data *hapd,
+				struct sta_info *sta, struct radius_msg *msg,
+				struct radius_msg *req,
+				const u8 *shared_secret,
+				size_t shared_secret_len)
+{
+	struct radius_ms_mppe_keys *keys;
+	struct eapol_state_machine *sm = sta->eapol_sm;
+	if (sm == NULL)
+		return;
+
+	keys = radius_msg_get_ms_keys(msg, req, shared_secret,
+				      shared_secret_len);
+
+	if (keys && keys->send && keys->recv) {
+		size_t len = keys->send_len + keys->recv_len;
+		wpa_hexdump_key(MSG_DEBUG, "MS-MPPE-Send-Key",
+				keys->send, keys->send_len);
+		wpa_hexdump_key(MSG_DEBUG, "MS-MPPE-Recv-Key",
+				keys->recv, keys->recv_len);
+
+		os_free(sm->eap_if->aaaEapKeyData);
+		sm->eap_if->aaaEapKeyData = os_malloc(len);
+		if (sm->eap_if->aaaEapKeyData) {
+			os_memcpy(sm->eap_if->aaaEapKeyData, keys->recv,
+				  keys->recv_len);
+			os_memcpy(sm->eap_if->aaaEapKeyData + keys->recv_len,
+				  keys->send, keys->send_len);
+			sm->eap_if->aaaEapKeyDataLen = len;
+			sm->eap_if->aaaEapKeyAvailable = TRUE;
+		}
+	}
+
+	if (keys) {
+		os_free(keys->send);
+		os_free(keys->recv);
+		os_free(keys);
+	}
+}
+
+
+static void ieee802_1x_store_radius_class(struct hostapd_data *hapd,
+					  struct sta_info *sta,
+					  struct radius_msg *msg)
+{
+	u8 *class;
+	size_t class_len;
+	struct eapol_state_machine *sm = sta->eapol_sm;
+	int count, i;
+	struct radius_attr_data *nclass;
+	size_t nclass_count;
+
+	if (!hapd->conf->radius->acct_server || hapd->radius == NULL ||
+	    sm == NULL)
+		return;
+
+	radius_free_class(&sm->radius_class);
+	count = radius_msg_count_attr(msg, RADIUS_ATTR_CLASS, 1);
+	if (count <= 0)
+		return;
+
+	nclass = os_zalloc(count * sizeof(struct radius_attr_data));
+	if (nclass == NULL)
+		return;
+
+	nclass_count = 0;
+
+	class = NULL;
+	for (i = 0; i < count; i++) {
+		do {
+			if (radius_msg_get_attr_ptr(msg, RADIUS_ATTR_CLASS,
+						    &class, &class_len,
+						    class) < 0) {
+				i = count;
+				break;
+			}
+		} while (class_len < 1);
+
+		nclass[nclass_count].data = os_malloc(class_len);
+		if (nclass[nclass_count].data == NULL)
+			break;
+
+		os_memcpy(nclass[nclass_count].data, class, class_len);
+		nclass[nclass_count].len = class_len;
+		nclass_count++;
+	}
+
+	sm->radius_class.attr = nclass;
+	sm->radius_class.count = nclass_count;
+	wpa_printf(MSG_DEBUG, "IEEE 802.1X: Stored %lu RADIUS Class "
+		   "attributes for " MACSTR,
+		   (unsigned long) sm->radius_class.count,
+		   MAC2STR(sta->addr));
+}
+
+
+/* Update sta->identity based on User-Name attribute in Access-Accept */
+static void ieee802_1x_update_sta_identity(struct hostapd_data *hapd,
+					   struct sta_info *sta,
+					   struct radius_msg *msg)
+{
+	u8 *buf, *identity;
+	size_t len;
+	struct eapol_state_machine *sm = sta->eapol_sm;
+
+	if (sm == NULL)
+		return;
+
+	if (radius_msg_get_attr_ptr(msg, RADIUS_ATTR_USER_NAME, &buf, &len,
+				    NULL) < 0)
+		return;
+
+	identity = os_malloc(len + 1);
+	if (identity == NULL)
+		return;
+
+	os_memcpy(identity, buf, len);
+	identity[len] = '\0';
+
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X,
+		       HOSTAPD_LEVEL_DEBUG, "old identity '%s' updated with "
+		       "User-Name from Access-Accept '%s'",
+		       sm->identity ? (char *) sm->identity : "N/A",
+		       (char *) identity);
+
+	os_free(sm->identity);
+	sm->identity = identity;
+	sm->identity_len = len;
+}
+
+
+struct sta_id_search {
+	u8 identifier;
+	struct eapol_state_machine *sm;
+};
+
+
+static int ieee802_1x_select_radius_identifier(struct hostapd_data *hapd,
+					       struct sta_info *sta,
+					       void *ctx)
+{
+	struct sta_id_search *id_search = ctx;
+	struct eapol_state_machine *sm = sta->eapol_sm;
+
+	if (sm && sm->radius_identifier >= 0 &&
+	    sm->radius_identifier == id_search->identifier) {
+		id_search->sm = sm;
+		return 1;
+	}
+	return 0;
+}
+
+
+static struct eapol_state_machine *
+ieee802_1x_search_radius_identifier(struct hostapd_data *hapd, u8 identifier)
+{
+	struct sta_id_search id_search;
+	id_search.identifier = identifier;
+	id_search.sm = NULL;
+	ap_for_each_sta(hapd, ieee802_1x_select_radius_identifier, &id_search);
+	return id_search.sm;
+}
+
+
+/**
+ * ieee802_1x_receive_auth - Process RADIUS frames from Authentication Server
+ * @msg: RADIUS response message
+ * @req: RADIUS request message
+ * @shared_secret: RADIUS shared secret
+ * @shared_secret_len: Length of shared_secret in octets
+ * @data: Context data (struct hostapd_data *)
+ * Returns: Processing status
+ */
+static RadiusRxResult
+ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
+			const u8 *shared_secret, size_t shared_secret_len,
+			void *data)
+{
+	struct hostapd_data *hapd = data;
+	struct sta_info *sta;
+	u32 session_timeout = 0, termination_action, acct_interim_interval;
+	int session_timeout_set, old_vlanid = 0;
+	struct eapol_state_machine *sm;
+	int override_eapReq = 0;
+	struct radius_hdr *hdr = radius_msg_get_hdr(msg);
+
+	sm = ieee802_1x_search_radius_identifier(hapd, hdr->identifier);
+	if (sm == NULL) {
+		wpa_printf(MSG_DEBUG, "IEEE 802.1X: Could not find matching "
+			   "station for this RADIUS message");
+		return RADIUS_RX_UNKNOWN;
+	}
+	sta = sm->sta;
+
+	/* RFC 2869, Ch. 5.13: valid Message-Authenticator attribute MUST be
+	 * present when packet contains an EAP-Message attribute */
+	if (hdr->code == RADIUS_CODE_ACCESS_REJECT &&
+	    radius_msg_get_attr(msg, RADIUS_ATTR_MESSAGE_AUTHENTICATOR, NULL,
+				0) < 0 &&
+	    radius_msg_get_attr(msg, RADIUS_ATTR_EAP_MESSAGE, NULL, 0) < 0) {
+		wpa_printf(MSG_DEBUG, "Allowing RADIUS Access-Reject without "
+			   "Message-Authenticator since it does not include "
+			   "EAP-Message");
+	} else if (radius_msg_verify(msg, shared_secret, shared_secret_len,
+				     req, 1)) {
+		printf("Incoming RADIUS packet did not have correct "
+		       "Message-Authenticator - dropped\n");
+		return RADIUS_RX_INVALID_AUTHENTICATOR;
+	}
+
+	if (hdr->code != RADIUS_CODE_ACCESS_ACCEPT &&
+	    hdr->code != RADIUS_CODE_ACCESS_REJECT &&
+	    hdr->code != RADIUS_CODE_ACCESS_CHALLENGE) {
+		printf("Unknown RADIUS message code\n");
+		return RADIUS_RX_UNKNOWN;
+	}
+
+	sm->radius_identifier = -1;
+	wpa_printf(MSG_DEBUG, "RADIUS packet matching with station " MACSTR,
+		   MAC2STR(sta->addr));
+
+	radius_msg_free(sm->last_recv_radius);
+	sm->last_recv_radius = msg;
+
+	session_timeout_set =
+		!radius_msg_get_attr_int32(msg, RADIUS_ATTR_SESSION_TIMEOUT,
+					   &session_timeout);
+	if (radius_msg_get_attr_int32(msg, RADIUS_ATTR_TERMINATION_ACTION,
+				      &termination_action))
+		termination_action = RADIUS_TERMINATION_ACTION_DEFAULT;
+
+	if (hapd->conf->acct_interim_interval == 0 &&
+	    hdr->code == RADIUS_CODE_ACCESS_ACCEPT &&
+	    radius_msg_get_attr_int32(msg, RADIUS_ATTR_ACCT_INTERIM_INTERVAL,
+				      &acct_interim_interval) == 0) {
+		if (acct_interim_interval < 60) {
+			hostapd_logger(hapd, sta->addr,
+				       HOSTAPD_MODULE_IEEE8021X,
+				       HOSTAPD_LEVEL_INFO,
+				       "ignored too small "
+				       "Acct-Interim-Interval %d",
+				       acct_interim_interval);
+		} else
+			sta->acct_interim_interval = acct_interim_interval;
+	}
+
+
+	switch (hdr->code) {
+	case RADIUS_CODE_ACCESS_ACCEPT:
+		if (sta->ssid->dynamic_vlan == DYNAMIC_VLAN_DISABLED)
+			sta->vlan_id = 0;
+#ifndef CONFIG_NO_VLAN
+		else {
+			old_vlanid = sta->vlan_id;
+			sta->vlan_id = radius_msg_get_vlanid(msg);
+		}
+		if (sta->vlan_id > 0 &&
+		    hostapd_get_vlan_id_ifname(hapd->conf->vlan,
+					       sta->vlan_id)) {
+			hostapd_logger(hapd, sta->addr,
+				       HOSTAPD_MODULE_RADIUS,
+				       HOSTAPD_LEVEL_INFO,
+				       "VLAN ID %d", sta->vlan_id);
+		} else if (sta->ssid->dynamic_vlan == DYNAMIC_VLAN_REQUIRED) {
+			sta->eapol_sm->authFail = TRUE;
+			hostapd_logger(hapd, sta->addr,
+				       HOSTAPD_MODULE_IEEE8021X,
+				       HOSTAPD_LEVEL_INFO, "authentication "
+				       "server did not include required VLAN "
+				       "ID in Access-Accept");
+			break;
+		}
+#endif /* CONFIG_NO_VLAN */
+
+		if (ap_sta_bind_vlan(hapd, sta, old_vlanid) < 0)
+			break;
+
+		/* RFC 3580, Ch. 3.17 */
+		if (session_timeout_set && termination_action ==
+		    RADIUS_TERMINATION_ACTION_RADIUS_REQUEST) {
+			sm->reAuthPeriod = session_timeout;
+		} else if (session_timeout_set)
+			ap_sta_session_timeout(hapd, sta, session_timeout);
+
+		sm->eap_if->aaaSuccess = TRUE;
+		override_eapReq = 1;
+		ieee802_1x_get_keys(hapd, sta, msg, req, shared_secret,
+				    shared_secret_len);
+		ieee802_1x_store_radius_class(hapd, sta, msg);
+		ieee802_1x_update_sta_identity(hapd, sta, msg);
+		if (sm->eap_if->eapKeyAvailable &&
+		    wpa_auth_pmksa_add(sta->wpa_sm, sm->eapol_key_crypt,
+				       session_timeout_set ?
+				       (int) session_timeout : -1, sm) == 0) {
+			hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_WPA,
+				       HOSTAPD_LEVEL_DEBUG,
+				       "Added PMKSA cache entry");
+		}
+		break;
+	case RADIUS_CODE_ACCESS_REJECT:
+		sm->eap_if->aaaFail = TRUE;
+		override_eapReq = 1;
+		break;
+	case RADIUS_CODE_ACCESS_CHALLENGE:
+		sm->eap_if->aaaEapReq = TRUE;
+		if (session_timeout_set) {
+			/* RFC 2869, Ch. 2.3.2; RFC 3580, Ch. 3.17 */
+			sm->eap_if->aaaMethodTimeout = session_timeout;
+			hostapd_logger(hapd, sm->addr,
+				       HOSTAPD_MODULE_IEEE8021X,
+				       HOSTAPD_LEVEL_DEBUG,
+				       "using EAP timeout of %d seconds (from "
+				       "RADIUS)",
+				       sm->eap_if->aaaMethodTimeout);
+		} else {
+			/*
+			 * Use dynamic retransmission behavior per EAP
+			 * specification.
+			 */
+			sm->eap_if->aaaMethodTimeout = 0;
+		}
+		break;
+	}
+
+	ieee802_1x_decapsulate_radius(hapd, sta);
+	if (override_eapReq)
+		sm->eap_if->aaaEapReq = FALSE;
+
+	eapol_auth_step(sm);
+
+	return RADIUS_RX_QUEUED;
+}
+#endif /* CONFIG_NO_RADIUS */
+
+
+void ieee802_1x_abort_auth(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	struct eapol_state_machine *sm = sta->eapol_sm;
+	if (sm == NULL)
+		return;
+
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X,
+		       HOSTAPD_LEVEL_DEBUG, "aborting authentication");
+
+#ifndef CONFIG_NO_RADIUS
+	radius_msg_free(sm->last_recv_radius);
+	sm->last_recv_radius = NULL;
+#endif /* CONFIG_NO_RADIUS */
+
+	if (sm->eap_if->eapTimeout) {
+		/*
+		 * Disconnect the STA since it did not reply to the last EAP
+		 * request and we cannot continue EAP processing (EAP-Failure
+		 * could only be sent if the EAP peer actually replied).
+		 */
+		sm->eap_if->portEnabled = FALSE;
+		ap_sta_disconnect(hapd, sta, sta->addr,
+				  WLAN_REASON_PREV_AUTH_NOT_VALID);
+	}
+}
+
+
+static int ieee802_1x_rekey_broadcast(struct hostapd_data *hapd)
+{
+	struct eapol_authenticator *eapol = hapd->eapol_auth;
+
+	if (hapd->conf->default_wep_key_len < 1)
+		return 0;
+
+	os_free(eapol->default_wep_key);
+	eapol->default_wep_key = os_malloc(hapd->conf->default_wep_key_len);
+	if (eapol->default_wep_key == NULL ||
+	    random_get_bytes(eapol->default_wep_key,
+			     hapd->conf->default_wep_key_len)) {
+		printf("Could not generate random WEP key.\n");
+		os_free(eapol->default_wep_key);
+		eapol->default_wep_key = NULL;
+		return -1;
+	}
+
+	wpa_hexdump_key(MSG_DEBUG, "IEEE 802.1X: New default WEP key",
+			eapol->default_wep_key,
+			hapd->conf->default_wep_key_len);
+
+	return 0;
+}
+
+
+static int ieee802_1x_sta_key_available(struct hostapd_data *hapd,
+					struct sta_info *sta, void *ctx)
+{
+	if (sta->eapol_sm) {
+		sta->eapol_sm->eap_if->eapKeyAvailable = TRUE;
+		eapol_auth_step(sta->eapol_sm);
+	}
+	return 0;
+}
+
+
+static void ieee802_1x_rekey(void *eloop_ctx, void *timeout_ctx)
+{
+	struct hostapd_data *hapd = eloop_ctx;
+	struct eapol_authenticator *eapol = hapd->eapol_auth;
+
+	if (eapol->default_wep_key_idx >= 3)
+		eapol->default_wep_key_idx =
+			hapd->conf->individual_wep_key_len > 0 ? 1 : 0;
+	else
+		eapol->default_wep_key_idx++;
+
+	wpa_printf(MSG_DEBUG, "IEEE 802.1X: New default WEP key index %d",
+		   eapol->default_wep_key_idx);
+		      
+	if (ieee802_1x_rekey_broadcast(hapd)) {
+		hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE8021X,
+			       HOSTAPD_LEVEL_WARNING, "failed to generate a "
+			       "new broadcast key");
+		os_free(eapol->default_wep_key);
+		eapol->default_wep_key = NULL;
+		return;
+	}
+
+	/* TODO: Could setup key for RX here, but change default TX keyid only
+	 * after new broadcast key has been sent to all stations. */
+	if (hostapd_drv_set_key(hapd->conf->iface, hapd, WPA_ALG_WEP,
+				broadcast_ether_addr,
+				eapol->default_wep_key_idx, 1, NULL, 0,
+				eapol->default_wep_key,
+				hapd->conf->default_wep_key_len)) {
+		hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE8021X,
+			       HOSTAPD_LEVEL_WARNING, "failed to configure a "
+			       "new broadcast key");
+		os_free(eapol->default_wep_key);
+		eapol->default_wep_key = NULL;
+		return;
+	}
+
+	ap_for_each_sta(hapd, ieee802_1x_sta_key_available, NULL);
+
+	if (hapd->conf->wep_rekeying_period > 0) {
+		eloop_register_timeout(hapd->conf->wep_rekeying_period, 0,
+				       ieee802_1x_rekey, hapd, NULL);
+	}
+}
+
+
+static void ieee802_1x_eapol_send(void *ctx, void *sta_ctx, u8 type,
+				  const u8 *data, size_t datalen)
+{
+#ifdef CONFIG_WPS
+	struct sta_info *sta = sta_ctx;
+
+	if ((sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS)) ==
+	    WLAN_STA_MAYBE_WPS) {
+		const u8 *identity;
+		size_t identity_len;
+		struct eapol_state_machine *sm = sta->eapol_sm;
+
+		identity = eap_get_identity(sm->eap, &identity_len);
+		if (identity &&
+		    ((identity_len == WSC_ID_ENROLLEE_LEN &&
+		      os_memcmp(identity, WSC_ID_ENROLLEE,
+				WSC_ID_ENROLLEE_LEN) == 0) ||
+		     (identity_len == WSC_ID_REGISTRAR_LEN &&
+		      os_memcmp(identity, WSC_ID_REGISTRAR,
+				WSC_ID_REGISTRAR_LEN) == 0))) {
+			wpa_printf(MSG_DEBUG, "WPS: WLAN_STA_MAYBE_WPS -> "
+				   "WLAN_STA_WPS");
+			sta->flags |= WLAN_STA_WPS;
+		}
+	}
+#endif /* CONFIG_WPS */
+
+	ieee802_1x_send(ctx, sta_ctx, type, data, datalen);
+}
+
+
+static void ieee802_1x_aaa_send(void *ctx, void *sta_ctx,
+				const u8 *data, size_t datalen)
+{
+#ifndef CONFIG_NO_RADIUS
+	struct hostapd_data *hapd = ctx;
+	struct sta_info *sta = sta_ctx;
+
+	ieee802_1x_encapsulate_radius(hapd, sta, data, datalen);
+#endif /* CONFIG_NO_RADIUS */
+}
+
+
+static void _ieee802_1x_finished(void *ctx, void *sta_ctx, int success,
+				 int preauth)
+{
+	struct hostapd_data *hapd = ctx;
+	struct sta_info *sta = sta_ctx;
+	if (preauth)
+		rsn_preauth_finished(hapd, sta, success);
+	else
+		ieee802_1x_finished(hapd, sta, success);
+}
+
+
+static int ieee802_1x_get_eap_user(void *ctx, const u8 *identity,
+				   size_t identity_len, int phase2,
+				   struct eap_user *user)
+{
+	struct hostapd_data *hapd = ctx;
+	const struct hostapd_eap_user *eap_user;
+	int i, count;
+
+	eap_user = hostapd_get_eap_user(hapd->conf, identity,
+					identity_len, phase2);
+	if (eap_user == NULL)
+		return -1;
+
+	os_memset(user, 0, sizeof(*user));
+	user->phase2 = phase2;
+	count = EAP_USER_MAX_METHODS;
+	if (count > EAP_MAX_METHODS)
+		count = EAP_MAX_METHODS;
+	for (i = 0; i < count; i++) {
+		user->methods[i].vendor = eap_user->methods[i].vendor;
+		user->methods[i].method = eap_user->methods[i].method;
+	}
+
+	if (eap_user->password) {
+		user->password = os_malloc(eap_user->password_len);
+		if (user->password == NULL)
+			return -1;
+		os_memcpy(user->password, eap_user->password,
+			  eap_user->password_len);
+		user->password_len = eap_user->password_len;
+	}
+	user->force_version = eap_user->force_version;
+	user->ttls_auth = eap_user->ttls_auth;
+
+	return 0;
+}
+
+
+static int ieee802_1x_sta_entry_alive(void *ctx, const u8 *addr)
+{
+	struct hostapd_data *hapd = ctx;
+	struct sta_info *sta;
+	sta = ap_get_sta(hapd, addr);
+	if (sta == NULL || sta->eapol_sm == NULL)
+		return 0;
+	return 1;
+}
+
+
+static void ieee802_1x_logger(void *ctx, const u8 *addr,
+			      eapol_logger_level level, const char *txt)
+{
+#ifndef CONFIG_NO_HOSTAPD_LOGGER
+	struct hostapd_data *hapd = ctx;
+	int hlevel;
+
+	switch (level) {
+	case EAPOL_LOGGER_WARNING:
+		hlevel = HOSTAPD_LEVEL_WARNING;
+		break;
+	case EAPOL_LOGGER_INFO:
+		hlevel = HOSTAPD_LEVEL_INFO;
+		break;
+	case EAPOL_LOGGER_DEBUG:
+	default:
+		hlevel = HOSTAPD_LEVEL_DEBUG;
+		break;
+	}
+
+	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE8021X, hlevel, "%s",
+		       txt);
+#endif /* CONFIG_NO_HOSTAPD_LOGGER */
+}
+
+
+static void ieee802_1x_set_port_authorized(void *ctx, void *sta_ctx,
+					   int authorized)
+{
+	struct hostapd_data *hapd = ctx;
+	struct sta_info *sta = sta_ctx;
+	ieee802_1x_set_sta_authorized(hapd, sta, authorized);
+}
+
+
+static void _ieee802_1x_abort_auth(void *ctx, void *sta_ctx)
+{
+	struct hostapd_data *hapd = ctx;
+	struct sta_info *sta = sta_ctx;
+	ieee802_1x_abort_auth(hapd, sta);
+}
+
+
+static void _ieee802_1x_tx_key(void *ctx, void *sta_ctx)
+{
+	struct hostapd_data *hapd = ctx;
+	struct sta_info *sta = sta_ctx;
+	ieee802_1x_tx_key(hapd, sta);
+}
+
+
+static void ieee802_1x_eapol_event(void *ctx, void *sta_ctx,
+				   enum eapol_event type)
+{
+	/* struct hostapd_data *hapd = ctx; */
+	struct sta_info *sta = sta_ctx;
+	switch (type) {
+	case EAPOL_AUTH_SM_CHANGE:
+		wpa_auth_sm_notify(sta->wpa_sm);
+		break;
+	case EAPOL_AUTH_REAUTHENTICATE:
+		wpa_auth_sm_event(sta->wpa_sm, WPA_REAUTH_EAPOL);
+		break;
+	}
+}
+
+
+int ieee802_1x_init(struct hostapd_data *hapd)
+{
+	int i;
+	struct eapol_auth_config conf;
+	struct eapol_auth_cb cb;
+
+	os_memset(&conf, 0, sizeof(conf));
+	conf.ctx = hapd;
+	conf.eap_reauth_period = hapd->conf->eap_reauth_period;
+	conf.wpa = hapd->conf->wpa;
+	conf.individual_wep_key_len = hapd->conf->individual_wep_key_len;
+	conf.eap_server = hapd->conf->eap_server;
+	conf.ssl_ctx = hapd->ssl_ctx;
+	conf.msg_ctx = hapd->msg_ctx;
+	conf.eap_sim_db_priv = hapd->eap_sim_db_priv;
+	conf.eap_req_id_text = hapd->conf->eap_req_id_text;
+	conf.eap_req_id_text_len = hapd->conf->eap_req_id_text_len;
+	conf.pac_opaque_encr_key = hapd->conf->pac_opaque_encr_key;
+	conf.eap_fast_a_id = hapd->conf->eap_fast_a_id;
+	conf.eap_fast_a_id_len = hapd->conf->eap_fast_a_id_len;
+	conf.eap_fast_a_id_info = hapd->conf->eap_fast_a_id_info;
+	conf.eap_fast_prov = hapd->conf->eap_fast_prov;
+	conf.pac_key_lifetime = hapd->conf->pac_key_lifetime;
+	conf.pac_key_refresh_time = hapd->conf->pac_key_refresh_time;
+	conf.eap_sim_aka_result_ind = hapd->conf->eap_sim_aka_result_ind;
+	conf.tnc = hapd->conf->tnc;
+	conf.wps = hapd->wps;
+	conf.fragment_size = hapd->conf->fragment_size;
+	conf.pwd_group = hapd->conf->pwd_group;
+
+	os_memset(&cb, 0, sizeof(cb));
+	cb.eapol_send = ieee802_1x_eapol_send;
+	cb.aaa_send = ieee802_1x_aaa_send;
+	cb.finished = _ieee802_1x_finished;
+	cb.get_eap_user = ieee802_1x_get_eap_user;
+	cb.sta_entry_alive = ieee802_1x_sta_entry_alive;
+	cb.logger = ieee802_1x_logger;
+	cb.set_port_authorized = ieee802_1x_set_port_authorized;
+	cb.abort_auth = _ieee802_1x_abort_auth;
+	cb.tx_key = _ieee802_1x_tx_key;
+	cb.eapol_event = ieee802_1x_eapol_event;
+
+	hapd->eapol_auth = eapol_auth_init(&conf, &cb);
+	if (hapd->eapol_auth == NULL)
+		return -1;
+
+	if ((hapd->conf->ieee802_1x || hapd->conf->wpa) &&
+	    hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 1))
+		return -1;
+
+#ifndef CONFIG_NO_RADIUS
+	if (radius_client_register(hapd->radius, RADIUS_AUTH,
+				   ieee802_1x_receive_auth, hapd))
+		return -1;
+#endif /* CONFIG_NO_RADIUS */
+
+	if (hapd->conf->default_wep_key_len) {
+		for (i = 0; i < 4; i++)
+			hostapd_drv_set_key(hapd->conf->iface, hapd,
+					    WPA_ALG_NONE, NULL, i, 0, NULL, 0,
+					    NULL, 0);
+
+		ieee802_1x_rekey(hapd, NULL);
+
+		if (hapd->eapol_auth->default_wep_key == NULL)
+			return -1;
+	}
+
+	return 0;
+}
+
+
+void ieee802_1x_deinit(struct hostapd_data *hapd)
+{
+	eloop_cancel_timeout(ieee802_1x_rekey, hapd, NULL);
+
+	if (hapd->driver != NULL &&
+	    (hapd->conf->ieee802_1x || hapd->conf->wpa))
+		hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 0);
+
+	eapol_auth_deinit(hapd->eapol_auth);
+	hapd->eapol_auth = NULL;
+}
+
+
+int ieee802_1x_tx_status(struct hostapd_data *hapd, struct sta_info *sta,
+			 const u8 *buf, size_t len, int ack)
+{
+	struct ieee80211_hdr *hdr;
+	struct ieee802_1x_hdr *xhdr;
+	struct ieee802_1x_eapol_key *key;
+	u8 *pos;
+	const unsigned char rfc1042_hdr[ETH_ALEN] =
+		{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
+
+	if (sta == NULL)
+		return -1;
+	if (len < sizeof(*hdr) + sizeof(rfc1042_hdr) + 2 + sizeof(*xhdr))
+		return 0;
+
+	hdr = (struct ieee80211_hdr *) buf;
+	pos = (u8 *) (hdr + 1);
+	if (os_memcmp(pos, rfc1042_hdr, sizeof(rfc1042_hdr)) != 0)
+		return 0;
+	pos += sizeof(rfc1042_hdr);
+	if (WPA_GET_BE16(pos) != ETH_P_PAE)
+		return 0;
+	pos += 2;
+
+	xhdr = (struct ieee802_1x_hdr *) pos;
+	pos += sizeof(*xhdr);
+
+	wpa_printf(MSG_DEBUG, "IEEE 802.1X: " MACSTR " TX status - version=%d "
+		   "type=%d length=%d - ack=%d",
+		   MAC2STR(sta->addr), xhdr->version, xhdr->type,
+		   be_to_host16(xhdr->length), ack);
+
+	if (xhdr->type == IEEE802_1X_TYPE_EAPOL_KEY &&
+	    pos + sizeof(struct wpa_eapol_key) <= buf + len) {
+		const struct wpa_eapol_key *wpa;
+		wpa = (const struct wpa_eapol_key *) pos;
+		if (wpa->type == EAPOL_KEY_TYPE_RSN ||
+		    wpa->type == EAPOL_KEY_TYPE_WPA)
+			wpa_auth_eapol_key_tx_status(hapd->wpa_auth,
+						     sta->wpa_sm, ack);
+	}
+
+	/* EAPOL EAP-Packet packets are eventually re-sent by either Supplicant
+	 * or Authenticator state machines, but EAPOL-Key packets are not
+	 * retransmitted in case of failure. Try to re-sent failed EAPOL-Key
+	 * packets couple of times because otherwise STA keys become
+	 * unsynchronized with AP. */
+	if (xhdr->type == IEEE802_1X_TYPE_EAPOL_KEY && !ack &&
+	    pos + sizeof(*key) <= buf + len) {
+		key = (struct ieee802_1x_eapol_key *) pos;
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X,
+			       HOSTAPD_LEVEL_DEBUG, "did not Ack EAPOL-Key "
+			       "frame (%scast index=%d)",
+			       key->key_index & BIT(7) ? "uni" : "broad",
+			       key->key_index & ~BIT(7));
+		/* TODO: re-send EAPOL-Key couple of times (with short delay
+		 * between them?). If all attempt fail, report error and
+		 * deauthenticate STA so that it will get new keys when
+		 * authenticating again (e.g., after returning in range).
+		 * Separate limit/transmit state needed both for unicast and
+		 * broadcast keys(?) */
+	}
+	/* TODO: could move unicast key configuration from ieee802_1x_tx_key()
+	 * to here and change the key only if the EAPOL-Key packet was Acked.
+	 */
+
+	return 1;
+}
+
+
+u8 * ieee802_1x_get_identity(struct eapol_state_machine *sm, size_t *len)
+{
+	if (sm == NULL || sm->identity == NULL)
+		return NULL;
+
+	*len = sm->identity_len;
+	return sm->identity;
+}
+
+
+u8 * ieee802_1x_get_radius_class(struct eapol_state_machine *sm, size_t *len,
+				 int idx)
+{
+	if (sm == NULL || sm->radius_class.attr == NULL ||
+	    idx >= (int) sm->radius_class.count)
+		return NULL;
+
+	*len = sm->radius_class.attr[idx].len;
+	return sm->radius_class.attr[idx].data;
+}
+
+
+const u8 * ieee802_1x_get_key(struct eapol_state_machine *sm, size_t *len)
+{
+	if (sm == NULL)
+		return NULL;
+
+	*len = sm->eap_if->eapKeyDataLen;
+	return sm->eap_if->eapKeyData;
+}
+
+
+void ieee802_1x_notify_port_enabled(struct eapol_state_machine *sm,
+				    int enabled)
+{
+	if (sm == NULL)
+		return;
+	sm->eap_if->portEnabled = enabled ? TRUE : FALSE;
+	eapol_auth_step(sm);
+}
+
+
+void ieee802_1x_notify_port_valid(struct eapol_state_machine *sm,
+				  int valid)
+{
+	if (sm == NULL)
+		return;
+	sm->portValid = valid ? TRUE : FALSE;
+	eapol_auth_step(sm);
+}
+
+
+void ieee802_1x_notify_pre_auth(struct eapol_state_machine *sm, int pre_auth)
+{
+	if (sm == NULL)
+		return;
+	if (pre_auth)
+		sm->flags |= EAPOL_SM_PREAUTH;
+	else
+		sm->flags &= ~EAPOL_SM_PREAUTH;
+}
+
+
+static const char * bool_txt(Boolean bool)
+{
+	return bool ? "TRUE" : "FALSE";
+}
+
+
+int ieee802_1x_get_mib(struct hostapd_data *hapd, char *buf, size_t buflen)
+{
+	/* TODO */
+	return 0;
+}
+
+
+int ieee802_1x_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
+			   char *buf, size_t buflen)
+{
+	int len = 0, ret;
+	struct eapol_state_machine *sm = sta->eapol_sm;
+
+	if (sm == NULL)
+		return 0;
+
+	ret = os_snprintf(buf + len, buflen - len,
+			  "dot1xPaePortNumber=%d\n"
+			  "dot1xPaePortProtocolVersion=%d\n"
+			  "dot1xPaePortCapabilities=1\n"
+			  "dot1xPaePortInitialize=%d\n"
+			  "dot1xPaePortReauthenticate=FALSE\n",
+			  sta->aid,
+			  EAPOL_VERSION,
+			  sm->initialize);
+	if (ret < 0 || (size_t) ret >= buflen - len)
+		return len;
+	len += ret;
+
+	/* dot1xAuthConfigTable */
+	ret = os_snprintf(buf + len, buflen - len,
+			  "dot1xAuthPaeState=%d\n"
+			  "dot1xAuthBackendAuthState=%d\n"
+			  "dot1xAuthAdminControlledDirections=%d\n"
+			  "dot1xAuthOperControlledDirections=%d\n"
+			  "dot1xAuthAuthControlledPortStatus=%d\n"
+			  "dot1xAuthAuthControlledPortControl=%d\n"
+			  "dot1xAuthQuietPeriod=%u\n"
+			  "dot1xAuthServerTimeout=%u\n"
+			  "dot1xAuthReAuthPeriod=%u\n"
+			  "dot1xAuthReAuthEnabled=%s\n"
+			  "dot1xAuthKeyTxEnabled=%s\n",
+			  sm->auth_pae_state + 1,
+			  sm->be_auth_state + 1,
+			  sm->adminControlledDirections,
+			  sm->operControlledDirections,
+			  sm->authPortStatus,
+			  sm->portControl,
+			  sm->quietPeriod,
+			  sm->serverTimeout,
+			  sm->reAuthPeriod,
+			  bool_txt(sm->reAuthEnabled),
+			  bool_txt(sm->keyTxEnabled));
+	if (ret < 0 || (size_t) ret >= buflen - len)
+		return len;
+	len += ret;
+
+	/* dot1xAuthStatsTable */
+	ret = os_snprintf(buf + len, buflen - len,
+			  "dot1xAuthEapolFramesRx=%u\n"
+			  "dot1xAuthEapolFramesTx=%u\n"
+			  "dot1xAuthEapolStartFramesRx=%u\n"
+			  "dot1xAuthEapolLogoffFramesRx=%u\n"
+			  "dot1xAuthEapolRespIdFramesRx=%u\n"
+			  "dot1xAuthEapolRespFramesRx=%u\n"
+			  "dot1xAuthEapolReqIdFramesTx=%u\n"
+			  "dot1xAuthEapolReqFramesTx=%u\n"
+			  "dot1xAuthInvalidEapolFramesRx=%u\n"
+			  "dot1xAuthEapLengthErrorFramesRx=%u\n"
+			  "dot1xAuthLastEapolFrameVersion=%u\n"
+			  "dot1xAuthLastEapolFrameSource=" MACSTR "\n",
+			  sm->dot1xAuthEapolFramesRx,
+			  sm->dot1xAuthEapolFramesTx,
+			  sm->dot1xAuthEapolStartFramesRx,
+			  sm->dot1xAuthEapolLogoffFramesRx,
+			  sm->dot1xAuthEapolRespIdFramesRx,
+			  sm->dot1xAuthEapolRespFramesRx,
+			  sm->dot1xAuthEapolReqIdFramesTx,
+			  sm->dot1xAuthEapolReqFramesTx,
+			  sm->dot1xAuthInvalidEapolFramesRx,
+			  sm->dot1xAuthEapLengthErrorFramesRx,
+			  sm->dot1xAuthLastEapolFrameVersion,
+			  MAC2STR(sm->addr));
+	if (ret < 0 || (size_t) ret >= buflen - len)
+		return len;
+	len += ret;
+
+	/* dot1xAuthDiagTable */
+	ret = os_snprintf(buf + len, buflen - len,
+			  "dot1xAuthEntersConnecting=%u\n"
+			  "dot1xAuthEapLogoffsWhileConnecting=%u\n"
+			  "dot1xAuthEntersAuthenticating=%u\n"
+			  "dot1xAuthAuthSuccessesWhileAuthenticating=%u\n"
+			  "dot1xAuthAuthTimeoutsWhileAuthenticating=%u\n"
+			  "dot1xAuthAuthFailWhileAuthenticating=%u\n"
+			  "dot1xAuthAuthEapStartsWhileAuthenticating=%u\n"
+			  "dot1xAuthAuthEapLogoffWhileAuthenticating=%u\n"
+			  "dot1xAuthAuthReauthsWhileAuthenticated=%u\n"
+			  "dot1xAuthAuthEapStartsWhileAuthenticated=%u\n"
+			  "dot1xAuthAuthEapLogoffWhileAuthenticated=%u\n"
+			  "dot1xAuthBackendResponses=%u\n"
+			  "dot1xAuthBackendAccessChallenges=%u\n"
+			  "dot1xAuthBackendOtherRequestsToSupplicant=%u\n"
+			  "dot1xAuthBackendAuthSuccesses=%u\n"
+			  "dot1xAuthBackendAuthFails=%u\n",
+			  sm->authEntersConnecting,
+			  sm->authEapLogoffsWhileConnecting,
+			  sm->authEntersAuthenticating,
+			  sm->authAuthSuccessesWhileAuthenticating,
+			  sm->authAuthTimeoutsWhileAuthenticating,
+			  sm->authAuthFailWhileAuthenticating,
+			  sm->authAuthEapStartsWhileAuthenticating,
+			  sm->authAuthEapLogoffWhileAuthenticating,
+			  sm->authAuthReauthsWhileAuthenticated,
+			  sm->authAuthEapStartsWhileAuthenticated,
+			  sm->authAuthEapLogoffWhileAuthenticated,
+			  sm->backendResponses,
+			  sm->backendAccessChallenges,
+			  sm->backendOtherRequestsToSupplicant,
+			  sm->backendAuthSuccesses,
+			  sm->backendAuthFails);
+	if (ret < 0 || (size_t) ret >= buflen - len)
+		return len;
+	len += ret;
+
+	/* dot1xAuthSessionStatsTable */
+	ret = os_snprintf(buf + len, buflen - len,
+			  /* TODO: dot1xAuthSessionOctetsRx */
+			  /* TODO: dot1xAuthSessionOctetsTx */
+			  /* TODO: dot1xAuthSessionFramesRx */
+			  /* TODO: dot1xAuthSessionFramesTx */
+			  "dot1xAuthSessionId=%08X-%08X\n"
+			  "dot1xAuthSessionAuthenticMethod=%d\n"
+			  "dot1xAuthSessionTime=%u\n"
+			  "dot1xAuthSessionTerminateCause=999\n"
+			  "dot1xAuthSessionUserName=%s\n",
+			  sta->acct_session_id_hi, sta->acct_session_id_lo,
+			  (wpa_key_mgmt_wpa_ieee8021x(
+				   wpa_auth_sta_key_mgmt(sta->wpa_sm))) ?
+			  1 : 2,
+			  (unsigned int) (time(NULL) -
+					  sta->acct_session_start),
+			  sm->identity);
+	if (ret < 0 || (size_t) ret >= buflen - len)
+		return len;
+	len += ret;
+
+	return len;
+}
+
+
+static void ieee802_1x_finished(struct hostapd_data *hapd,
+				struct sta_info *sta, int success)
+{
+	const u8 *key;
+	size_t len;
+	/* TODO: get PMKLifetime from WPA parameters */
+	static const int dot11RSNAConfigPMKLifetime = 43200;
+
+	key = ieee802_1x_get_key(sta->eapol_sm, &len);
+	if (success && key && len >= PMK_LEN &&
+	    wpa_auth_pmksa_add(sta->wpa_sm, key, dot11RSNAConfigPMKLifetime,
+			       sta->eapol_sm) == 0) {
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_WPA,
+			       HOSTAPD_LEVEL_DEBUG,
+			       "Added PMKSA cache entry (IEEE 802.1X)");
+	}
+
+#ifdef CONFIG_WPS
+	if (!success && (sta->flags & WLAN_STA_WPS)) {
+		/*
+		 * Many devices require deauthentication after WPS provisioning
+		 * and some may not be be able to do that themselves, so
+		 * disconnect the client here.
+		 */
+		wpa_printf(MSG_DEBUG, "WPS: Force disconnection after "
+			   "EAP-Failure");
+		/* Add a small sleep to increase likelihood of previously
+		 * requested EAP-Failure TX getting out before this should the
+		 * driver reorder operations.
+		 */
+		os_sleep(0, 10000);
+		ap_sta_disconnect(hapd, sta, sta->addr,
+				  WLAN_REASON_PREV_AUTH_NOT_VALID);
+	}
+#endif /* CONFIG_WPS */
+}
diff --git a/src/ap/ieee802_1x.h b/src/ap/ieee802_1x.h
new file mode 100644
index 0000000..1a4d2eb
--- /dev/null
+++ b/src/ap/ieee802_1x.h
@@ -0,0 +1,89 @@
+/*
+ * hostapd / IEEE 802.1X-2004 Authenticator
+ * Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef IEEE802_1X_H
+#define IEEE802_1X_H
+
+struct hostapd_data;
+struct sta_info;
+struct eapol_state_machine;
+struct hostapd_config;
+struct hostapd_bss_config;
+
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+/* RFC 3580, 4. RC4 EAPOL-Key Frame */
+
+struct ieee802_1x_eapol_key {
+	u8 type;
+	u16 key_length;
+	u8 replay_counter[8]; /* does not repeat within the life of the keying
+			       * material used to encrypt the Key field;
+			       * 64-bit NTP timestamp MAY be used here */
+	u8 key_iv[16]; /* cryptographically random number */
+	u8 key_index; /* key flag in the most significant bit:
+		       * 0 = broadcast (default key),
+		       * 1 = unicast (key mapping key); key index is in the
+		       * 7 least significant bits */
+	u8 key_signature[16]; /* HMAC-MD5 message integrity check computed with
+			       * MS-MPPE-Send-Key as the key */
+
+	/* followed by key: if packet body length = 44 + key length, then the
+	 * key field (of key_length bytes) contains the key in encrypted form;
+	 * if packet body length = 44, key field is absent and key_length
+	 * represents the number of least significant octets from
+	 * MS-MPPE-Send-Key attribute to be used as the keying material;
+	 * RC4 key used in encryption = Key-IV + MS-MPPE-Recv-Key */
+} STRUCT_PACKED;
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+
+void ieee802_1x_receive(struct hostapd_data *hapd, const u8 *sa, const u8 *buf,
+			size_t len);
+void ieee802_1x_new_station(struct hostapd_data *hapd, struct sta_info *sta);
+void ieee802_1x_free_station(struct sta_info *sta);
+
+void ieee802_1x_tx_key(struct hostapd_data *hapd, struct sta_info *sta);
+void ieee802_1x_abort_auth(struct hostapd_data *hapd, struct sta_info *sta);
+void ieee802_1x_set_sta_authorized(struct hostapd_data *hapd,
+				   struct sta_info *sta, int authorized);
+void ieee802_1x_dump_state(FILE *f, const char *prefix, struct sta_info *sta);
+int ieee802_1x_init(struct hostapd_data *hapd);
+void ieee802_1x_deinit(struct hostapd_data *hapd);
+int ieee802_1x_tx_status(struct hostapd_data *hapd, struct sta_info *sta,
+			 const u8 *buf, size_t len, int ack);
+u8 * ieee802_1x_get_identity(struct eapol_state_machine *sm, size_t *len);
+u8 * ieee802_1x_get_radius_class(struct eapol_state_machine *sm, size_t *len,
+				 int idx);
+const u8 * ieee802_1x_get_key(struct eapol_state_machine *sm, size_t *len);
+void ieee802_1x_notify_port_enabled(struct eapol_state_machine *sm,
+				    int enabled);
+void ieee802_1x_notify_port_valid(struct eapol_state_machine *sm,
+				  int valid);
+void ieee802_1x_notify_pre_auth(struct eapol_state_machine *sm, int pre_auth);
+int ieee802_1x_get_mib(struct hostapd_data *hapd, char *buf, size_t buflen);
+int ieee802_1x_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
+			   char *buf, size_t buflen);
+void hostapd_get_ntp_timestamp(u8 *buf);
+char *eap_type_text(u8 type);
+
+const char *radius_mode_txt(struct hostapd_data *hapd);
+int radius_sta_rate(struct hostapd_data *hapd, struct sta_info *sta);
+
+#endif /* IEEE802_1X_H */
diff --git a/src/ap/p2p_hostapd.c b/src/ap/p2p_hostapd.c
new file mode 100644
index 0000000..6f8b778
--- /dev/null
+++ b/src/ap/p2p_hostapd.c
@@ -0,0 +1,120 @@
+/*
+ * hostapd / P2P integration
+ * Copyright (c) 2009-2010, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "common/ieee802_11_defs.h"
+#include "p2p/p2p.h"
+#include "hostapd.h"
+#include "ap_config.h"
+#include "ap_drv_ops.h"
+#include "sta_info.h"
+#include "p2p_hostapd.h"
+
+
+#ifdef CONFIG_P2P
+
+int hostapd_p2p_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
+			    char *buf, size_t buflen)
+{
+	if (sta->p2p_ie == NULL)
+		return 0;
+
+	return p2p_ie_text(sta->p2p_ie, buf, buf + buflen);
+}
+
+
+int hostapd_p2p_set_noa(struct hostapd_data *hapd, u8 count, int start,
+			int duration)
+{
+	wpa_printf(MSG_DEBUG, "P2P: Set NoA parameters: count=%u start=%d "
+		   "duration=%d", count, start, duration);
+
+	if (count == 0) {
+		hapd->noa_enabled = 0;
+		hapd->noa_start = 0;
+		hapd->noa_duration = 0;
+	}
+
+	if (count != 255) {
+		wpa_printf(MSG_DEBUG, "P2P: Non-periodic NoA - set "
+			   "NoA parameters");
+		return hostapd_driver_set_noa(hapd, count, start, duration);
+	}
+
+	hapd->noa_enabled = 1;
+	hapd->noa_start = start;
+	hapd->noa_duration = duration;
+
+	if (hapd->num_sta_no_p2p == 0) {
+		wpa_printf(MSG_DEBUG, "P2P: No legacy STAs connected - update "
+			   "periodic NoA parameters");
+		return hostapd_driver_set_noa(hapd, count, start, duration);
+	}
+
+	wpa_printf(MSG_DEBUG, "P2P: Legacy STA(s) connected - do not enable "
+		   "periodic NoA");
+
+	return 0;
+}
+
+
+void hostapd_p2p_non_p2p_sta_connected(struct hostapd_data *hapd)
+{
+	wpa_printf(MSG_DEBUG, "P2P: First non-P2P device connected");
+
+	if (hapd->noa_enabled) {
+		wpa_printf(MSG_DEBUG, "P2P: Disable periodic NoA");
+		hostapd_driver_set_noa(hapd, 0, 0, 0);
+	}
+}
+
+
+void hostapd_p2p_non_p2p_sta_disconnected(struct hostapd_data *hapd)
+{
+	wpa_printf(MSG_DEBUG, "P2P: Last non-P2P device disconnected");
+
+	if (hapd->noa_enabled) {
+		wpa_printf(MSG_DEBUG, "P2P: Enable periodic NoA");
+		hostapd_driver_set_noa(hapd, 255, hapd->noa_start,
+				       hapd->noa_duration);
+	}
+}
+
+#endif /* CONFIG_P2P */
+
+
+#ifdef CONFIG_P2P_MANAGER
+u8 * hostapd_eid_p2p_manage(struct hostapd_data *hapd, u8 *eid)
+{
+	u8 bitmap;
+	*eid++ = WLAN_EID_VENDOR_SPECIFIC;
+	*eid++ = 4 + 3 + 1;
+	WPA_PUT_BE24(eid, OUI_WFA);
+	eid += 3;
+	*eid++ = P2P_OUI_TYPE;
+
+	*eid++ = P2P_ATTR_MANAGEABILITY;
+	WPA_PUT_LE16(eid, 1);
+	eid += 2;
+	bitmap = P2P_MAN_DEVICE_MANAGEMENT;
+	if (hapd->conf->p2p & P2P_ALLOW_CROSS_CONNECTION)
+		bitmap |= P2P_MAN_CROSS_CONNECTION_PERMITTED;
+	bitmap |= P2P_MAN_COEXISTENCE_OPTIONAL;
+	*eid++ = bitmap;
+
+	return eid;
+}
+#endif /* CONFIG_P2P_MANAGER */
diff --git a/src/ap/p2p_hostapd.h b/src/ap/p2p_hostapd.h
new file mode 100644
index 0000000..95b31d9
--- /dev/null
+++ b/src/ap/p2p_hostapd.h
@@ -0,0 +1,41 @@
+/*
+ * hostapd / P2P integration
+ * Copyright (c) 2009-2010, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef P2P_HOSTAPD_H
+#define P2P_HOSTAPD_H
+
+#ifdef CONFIG_P2P
+
+int hostapd_p2p_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
+			    char *buf, size_t buflen);
+int hostapd_p2p_set_noa(struct hostapd_data *hapd, u8 count, int start,
+			int duration);
+void hostapd_p2p_non_p2p_sta_connected(struct hostapd_data *hapd);
+void hostapd_p2p_non_p2p_sta_disconnected(struct hostapd_data *hapd);
+
+
+#else /* CONFIG_P2P */
+
+static inline int hostapd_p2p_get_mib_sta(struct hostapd_data *hapd,
+					  struct sta_info *sta,
+					  char *buf, size_t buflen)
+{
+	return 0;
+}
+
+#endif /* CONFIG_P2P */
+
+u8 * hostapd_eid_p2p_manage(struct hostapd_data *hapd, u8 *eid);
+
+#endif /* P2P_HOSTAPD_H */
diff --git a/src/ap/peerkey_auth.c b/src/ap/peerkey_auth.c
new file mode 100644
index 0000000..b8fa5a9
--- /dev/null
+++ b/src/ap/peerkey_auth.c
@@ -0,0 +1,402 @@
+/*
+ * hostapd - PeerKey for Direct Link Setup (DLS)
+ * Copyright (c) 2006-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "crypto/sha1.h"
+#include "crypto/sha256.h"
+#include "crypto/random.h"
+#include "wpa_auth.h"
+#include "wpa_auth_i.h"
+#include "wpa_auth_ie.h"
+
+#ifdef CONFIG_PEERKEY
+
+static void wpa_stsl_step(void *eloop_ctx, void *timeout_ctx)
+{
+#if 0
+	struct wpa_authenticator *wpa_auth = eloop_ctx;
+	struct wpa_stsl_negotiation *neg = timeout_ctx;
+#endif
+
+	/* TODO: ? */
+}
+
+
+struct wpa_stsl_search {
+	const u8 *addr;
+	struct wpa_state_machine *sm;
+};
+
+
+static int wpa_stsl_select_sta(struct wpa_state_machine *sm, void *ctx)
+{
+	struct wpa_stsl_search *search = ctx;
+	if (os_memcmp(search->addr, sm->addr, ETH_ALEN) == 0) {
+		search->sm = sm;
+		return 1;
+	}
+	return 0;
+}
+
+
+static void wpa_smk_send_error(struct wpa_authenticator *wpa_auth,
+			       struct wpa_state_machine *sm, const u8 *peer,
+			       u16 mui, u16 error_type)
+{
+	u8 kde[2 + RSN_SELECTOR_LEN + ETH_ALEN +
+	       2 + RSN_SELECTOR_LEN + sizeof(struct rsn_error_kde)];
+	u8 *pos;
+	struct rsn_error_kde error;
+
+	wpa_auth_logger(wpa_auth, sm->addr, LOGGER_DEBUG,
+			"Sending SMK Error");
+
+	pos = kde;
+
+	if (peer) {
+		pos = wpa_add_kde(pos, RSN_KEY_DATA_MAC_ADDR, peer, ETH_ALEN,
+				  NULL, 0);
+	}
+
+	error.mui = host_to_be16(mui);
+	error.error_type = host_to_be16(error_type);
+	pos = wpa_add_kde(pos, RSN_KEY_DATA_ERROR,
+			  (u8 *) &error, sizeof(error), NULL, 0);
+
+	__wpa_send_eapol(wpa_auth, sm,
+			 WPA_KEY_INFO_SECURE | WPA_KEY_INFO_MIC |
+			 WPA_KEY_INFO_SMK_MESSAGE | WPA_KEY_INFO_ERROR,
+			 NULL, NULL, kde, pos - kde, 0, 0, 0);
+}
+
+
+void wpa_smk_m1(struct wpa_authenticator *wpa_auth,
+		struct wpa_state_machine *sm, struct wpa_eapol_key *key)
+{
+	struct wpa_eapol_ie_parse kde;
+	struct wpa_stsl_search search;
+	u8 *buf, *pos;
+	size_t buf_len;
+
+	if (wpa_parse_kde_ies((const u8 *) (key + 1),
+			      WPA_GET_BE16(key->key_data_length), &kde) < 0) {
+		wpa_printf(MSG_INFO, "RSN: Failed to parse KDEs in SMK M1");
+		return;
+	}
+
+	if (kde.rsn_ie == NULL || kde.mac_addr == NULL ||
+	    kde.mac_addr_len < ETH_ALEN) {
+		wpa_printf(MSG_INFO, "RSN: No RSN IE or MAC address KDE in "
+			   "SMK M1");
+		return;
+	}
+
+	/* Initiator = sm->addr; Peer = kde.mac_addr */
+
+	search.addr = kde.mac_addr;
+	search.sm = NULL;
+	if (wpa_auth_for_each_sta(wpa_auth, wpa_stsl_select_sta, &search) ==
+	    0 || search.sm == NULL) {
+		wpa_printf(MSG_DEBUG, "RSN: SMK handshake with " MACSTR
+			   " aborted - STA not associated anymore",
+			   MAC2STR(kde.mac_addr));
+		wpa_smk_send_error(wpa_auth, sm, kde.mac_addr, STK_MUI_SMK,
+				   STK_ERR_STA_NR);
+		/* FIX: wpa_stsl_remove(wpa_auth, neg); */
+		return;
+	}
+
+	buf_len = kde.rsn_ie_len + 2 + RSN_SELECTOR_LEN + ETH_ALEN;
+	buf = os_malloc(buf_len);
+	if (buf == NULL)
+		return;
+	/* Initiator RSN IE */
+	os_memcpy(buf, kde.rsn_ie, kde.rsn_ie_len);
+	pos = buf + kde.rsn_ie_len;
+	/* Initiator MAC Address */
+	pos = wpa_add_kde(pos, RSN_KEY_DATA_MAC_ADDR, sm->addr, ETH_ALEN,
+			  NULL, 0);
+
+	/* SMK M2:
+	 * EAPOL-Key(S=1, M=1, A=1, I=0, K=0, SM=1, KeyRSC=0, Nonce=INonce,
+	 *           MIC=MIC, DataKDs=(RSNIE_I, MAC_I KDE)
+	 */
+
+	wpa_auth_logger(wpa_auth, search.sm->addr, LOGGER_DEBUG,
+			"Sending SMK M2");
+
+	__wpa_send_eapol(wpa_auth, search.sm,
+			 WPA_KEY_INFO_SECURE | WPA_KEY_INFO_MIC |
+			 WPA_KEY_INFO_ACK | WPA_KEY_INFO_SMK_MESSAGE,
+			 NULL, key->key_nonce, buf, pos - buf, 0, 0, 0);
+
+	os_free(buf);
+}
+
+
+static void wpa_send_smk_m4(struct wpa_authenticator *wpa_auth,
+			    struct wpa_state_machine *sm,
+			    struct wpa_eapol_key *key,
+			    struct wpa_eapol_ie_parse *kde,
+			    const u8 *smk)
+{
+	u8 *buf, *pos;
+	size_t buf_len;
+	u32 lifetime;
+
+	/* SMK M4:
+	 * EAPOL-Key(S=1, M=1, A=0, I=1, K=0, SM=1, KeyRSC=0, Nonce=PNonce,
+	 *           MIC=MIC, DataKDs=(MAC_I KDE, INonce KDE, SMK KDE,
+	 *           Lifetime KDE)
+	 */
+
+	buf_len = 2 + RSN_SELECTOR_LEN + ETH_ALEN +
+		2 + RSN_SELECTOR_LEN + WPA_NONCE_LEN +
+		2 + RSN_SELECTOR_LEN + PMK_LEN + WPA_NONCE_LEN +
+		2 + RSN_SELECTOR_LEN + sizeof(lifetime);
+	pos = buf = os_malloc(buf_len);
+	if (buf == NULL)
+		return;
+
+	/* Initiator MAC Address */
+	pos = wpa_add_kde(pos, RSN_KEY_DATA_MAC_ADDR, kde->mac_addr, ETH_ALEN,
+			  NULL, 0);
+
+	/* Initiator Nonce */
+	pos = wpa_add_kde(pos, RSN_KEY_DATA_NONCE, kde->nonce, WPA_NONCE_LEN,
+			  NULL, 0);
+
+	/* SMK with PNonce */
+	pos = wpa_add_kde(pos, RSN_KEY_DATA_SMK, smk, PMK_LEN,
+			  key->key_nonce, WPA_NONCE_LEN);
+
+	/* Lifetime */
+	lifetime = htonl(43200); /* dot11RSNAConfigSMKLifetime */
+	pos = wpa_add_kde(pos, RSN_KEY_DATA_LIFETIME,
+			  (u8 *) &lifetime, sizeof(lifetime), NULL, 0);
+
+	wpa_auth_logger(sm->wpa_auth, sm->addr, LOGGER_DEBUG,
+			"Sending SMK M4");
+
+	__wpa_send_eapol(wpa_auth, sm,
+			 WPA_KEY_INFO_SECURE | WPA_KEY_INFO_MIC |
+			 WPA_KEY_INFO_INSTALL | WPA_KEY_INFO_SMK_MESSAGE,
+			 NULL, key->key_nonce, buf, pos - buf, 0, 1, 0);
+
+	os_free(buf);
+}
+
+
+static void wpa_send_smk_m5(struct wpa_authenticator *wpa_auth,
+			    struct wpa_state_machine *sm,
+			    struct wpa_eapol_key *key,
+			    struct wpa_eapol_ie_parse *kde,
+			    const u8 *smk, const u8 *peer)
+{
+	u8 *buf, *pos;
+	size_t buf_len;
+	u32 lifetime;
+
+	/* SMK M5:
+	 * EAPOL-Key(S=1, M=1, A=0, I=0, K=0, SM=1, KeyRSC=0, Nonce=INonce,
+	 *           MIC=MIC, DataKDs=(RSNIE_P, MAC_P KDE, PNonce, SMK KDE,
+	 *                             Lifetime KDE))
+	 */
+
+	buf_len = kde->rsn_ie_len +
+		2 + RSN_SELECTOR_LEN + ETH_ALEN +
+		2 + RSN_SELECTOR_LEN + WPA_NONCE_LEN +
+		2 + RSN_SELECTOR_LEN + PMK_LEN + WPA_NONCE_LEN +
+		2 + RSN_SELECTOR_LEN + sizeof(lifetime);
+	pos = buf = os_malloc(buf_len);
+	if (buf == NULL)
+		return;
+
+	/* Peer RSN IE */
+	os_memcpy(buf, kde->rsn_ie, kde->rsn_ie_len);
+	pos = buf + kde->rsn_ie_len;
+
+	/* Peer MAC Address */
+	pos = wpa_add_kde(pos, RSN_KEY_DATA_MAC_ADDR, peer, ETH_ALEN, NULL, 0);
+
+	/* PNonce */
+	pos = wpa_add_kde(pos, RSN_KEY_DATA_NONCE, key->key_nonce,
+			  WPA_NONCE_LEN, NULL, 0);
+
+	/* SMK and INonce */
+	pos = wpa_add_kde(pos, RSN_KEY_DATA_SMK, smk, PMK_LEN,
+			  kde->nonce, WPA_NONCE_LEN);
+
+	/* Lifetime */
+	lifetime = htonl(43200); /* dot11RSNAConfigSMKLifetime */
+	pos = wpa_add_kde(pos, RSN_KEY_DATA_LIFETIME,
+			  (u8 *) &lifetime, sizeof(lifetime), NULL, 0);
+
+	wpa_auth_logger(sm->wpa_auth, sm->addr, LOGGER_DEBUG,
+			"Sending SMK M5");
+
+	__wpa_send_eapol(wpa_auth, sm,
+			 WPA_KEY_INFO_SECURE | WPA_KEY_INFO_MIC |
+			 WPA_KEY_INFO_SMK_MESSAGE,
+			 NULL, kde->nonce, buf, pos - buf, 0, 1, 0);
+
+	os_free(buf);
+}
+
+
+void wpa_smk_m3(struct wpa_authenticator *wpa_auth,
+		struct wpa_state_machine *sm, struct wpa_eapol_key *key)
+{
+	struct wpa_eapol_ie_parse kde;
+	struct wpa_stsl_search search;
+	u8 smk[32], buf[ETH_ALEN + 8 + 2 * WPA_NONCE_LEN], *pos;
+
+	if (wpa_parse_kde_ies((const u8 *) (key + 1),
+			      WPA_GET_BE16(key->key_data_length), &kde) < 0) {
+		wpa_printf(MSG_INFO, "RSN: Failed to parse KDEs in SMK M3");
+		return;
+	}
+
+	if (kde.rsn_ie == NULL ||
+	    kde.mac_addr == NULL || kde.mac_addr_len < ETH_ALEN ||
+	    kde.nonce == NULL || kde.nonce_len < WPA_NONCE_LEN) {
+		wpa_printf(MSG_INFO, "RSN: No RSN IE, MAC address KDE, or "
+			   "Nonce KDE in SMK M3");
+		return;
+	}
+
+	/* Peer = sm->addr; Initiator = kde.mac_addr;
+	 * Peer Nonce = key->key_nonce; Initiator Nonce = kde.nonce */
+
+	search.addr = kde.mac_addr;
+	search.sm = NULL;
+	if (wpa_auth_for_each_sta(wpa_auth, wpa_stsl_select_sta, &search) ==
+	    0 || search.sm == NULL) {
+		wpa_printf(MSG_DEBUG, "RSN: SMK handshake with " MACSTR
+			   " aborted - STA not associated anymore",
+			   MAC2STR(kde.mac_addr));
+		wpa_smk_send_error(wpa_auth, sm, kde.mac_addr, STK_MUI_SMK,
+				   STK_ERR_STA_NR);
+		/* FIX: wpa_stsl_remove(wpa_auth, neg); */
+		return;
+	}
+
+	if (random_get_bytes(smk, PMK_LEN)) {
+		wpa_printf(MSG_DEBUG, "RSN: Failed to generate SMK");
+		return;
+	}
+
+	/* SMK = PRF-256(Random number, "SMK Derivation",
+	 *               AA || Time || INonce || PNonce)
+	 */
+	os_memcpy(buf, wpa_auth->addr, ETH_ALEN);
+	pos = buf + ETH_ALEN;
+	wpa_get_ntp_timestamp(pos);
+	pos += 8;
+	os_memcpy(pos, kde.nonce, WPA_NONCE_LEN);
+	pos += WPA_NONCE_LEN;
+	os_memcpy(pos, key->key_nonce, WPA_NONCE_LEN);
+#ifdef CONFIG_IEEE80211W
+	sha256_prf(smk, PMK_LEN, "SMK Derivation", buf, sizeof(buf),
+		   smk, PMK_LEN);
+#else /* CONFIG_IEEE80211W */
+	sha1_prf(smk, PMK_LEN, "SMK Derivation", buf, sizeof(buf),
+		 smk, PMK_LEN);
+#endif /* CONFIG_IEEE80211W */
+
+	wpa_hexdump_key(MSG_DEBUG, "RSN: SMK", smk, PMK_LEN);
+
+	wpa_send_smk_m4(wpa_auth, sm, key, &kde, smk);
+	wpa_send_smk_m5(wpa_auth, search.sm, key, &kde, smk, sm->addr);
+
+	/* Authenticator does not need SMK anymore and it is required to forget
+	 * it. */
+	os_memset(smk, 0, sizeof(*smk));
+}
+
+
+void wpa_smk_error(struct wpa_authenticator *wpa_auth,
+		   struct wpa_state_machine *sm, struct wpa_eapol_key *key)
+{
+	struct wpa_eapol_ie_parse kde;
+	struct wpa_stsl_search search;
+	struct rsn_error_kde error;
+	u16 mui, error_type;
+
+	if (wpa_parse_kde_ies((const u8 *) (key + 1),
+			      WPA_GET_BE16(key->key_data_length), &kde) < 0) {
+		wpa_printf(MSG_INFO, "RSN: Failed to parse KDEs in SMK Error");
+		return;
+	}
+
+	if (kde.mac_addr == NULL || kde.mac_addr_len < ETH_ALEN ||
+	    kde.error == NULL || kde.error_len < sizeof(error)) {
+		wpa_printf(MSG_INFO, "RSN: No MAC address or Error KDE in "
+			   "SMK Error");
+		return;
+	}
+
+	search.addr = kde.mac_addr;
+	search.sm = NULL;
+	if (wpa_auth_for_each_sta(wpa_auth, wpa_stsl_select_sta, &search) ==
+	    0 || search.sm == NULL) {
+		wpa_printf(MSG_DEBUG, "RSN: Peer STA " MACSTR " not "
+			   "associated for SMK Error message from " MACSTR,
+			   MAC2STR(kde.mac_addr), MAC2STR(sm->addr));
+		return;
+	}
+
+	os_memcpy(&error, kde.error, sizeof(error));
+	mui = be_to_host16(error.mui);
+	error_type = be_to_host16(error.error_type);
+	wpa_auth_vlogger(wpa_auth, sm->addr, LOGGER_INFO,
+			 "STA reported SMK Error: Peer " MACSTR
+			 " MUI %d Error Type %d",
+			 MAC2STR(kde.mac_addr), mui, error_type);
+
+	wpa_smk_send_error(wpa_auth, search.sm, sm->addr, mui, error_type);
+}
+
+
+int wpa_stsl_remove(struct wpa_authenticator *wpa_auth,
+		    struct wpa_stsl_negotiation *neg)
+{
+	struct wpa_stsl_negotiation *pos, *prev;
+
+	if (wpa_auth == NULL)
+		return -1;
+	pos = wpa_auth->stsl_negotiations;
+	prev = NULL;
+	while (pos) {
+		if (pos == neg) {
+			if (prev)
+				prev->next = pos->next;
+			else
+				wpa_auth->stsl_negotiations = pos->next;
+
+			eloop_cancel_timeout(wpa_stsl_step, wpa_auth, pos);
+			os_free(pos);
+			return 0;
+		}
+		prev = pos;
+		pos = pos->next;
+	}
+
+	return -1;
+}
+
+#endif /* CONFIG_PEERKEY */
diff --git a/src/ap/pmksa_cache_auth.c b/src/ap/pmksa_cache_auth.c
new file mode 100644
index 0000000..22f44b7
--- /dev/null
+++ b/src/ap/pmksa_cache_auth.c
@@ -0,0 +1,425 @@
+/*
+ * hostapd - PMKSA cache for IEEE 802.11i RSN
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "eapol_auth/eapol_auth_sm.h"
+#include "eapol_auth/eapol_auth_sm_i.h"
+#include "sta_info.h"
+#include "ap_config.h"
+#include "pmksa_cache_auth.h"
+
+
+static const int pmksa_cache_max_entries = 1024;
+static const int dot11RSNAConfigPMKLifetime = 43200;
+
+struct rsn_pmksa_cache {
+#define PMKID_HASH_SIZE 128
+#define PMKID_HASH(pmkid) (unsigned int) ((pmkid)[0] & 0x7f)
+	struct rsn_pmksa_cache_entry *pmkid[PMKID_HASH_SIZE];
+	struct rsn_pmksa_cache_entry *pmksa;
+	int pmksa_count;
+
+	void (*free_cb)(struct rsn_pmksa_cache_entry *entry, void *ctx);
+	void *ctx;
+};
+
+
+static void pmksa_cache_set_expiration(struct rsn_pmksa_cache *pmksa);
+
+
+static void _pmksa_cache_free_entry(struct rsn_pmksa_cache_entry *entry)
+{
+	if (entry == NULL)
+		return;
+	os_free(entry->identity);
+#ifndef CONFIG_NO_RADIUS
+	radius_free_class(&entry->radius_class);
+#endif /* CONFIG_NO_RADIUS */
+	os_free(entry);
+}
+
+
+static void pmksa_cache_free_entry(struct rsn_pmksa_cache *pmksa,
+				   struct rsn_pmksa_cache_entry *entry)
+{
+	struct rsn_pmksa_cache_entry *pos, *prev;
+
+	pmksa->pmksa_count--;
+	pmksa->free_cb(entry, pmksa->ctx);
+	pos = pmksa->pmkid[PMKID_HASH(entry->pmkid)];
+	prev = NULL;
+	while (pos) {
+		if (pos == entry) {
+			if (prev != NULL) {
+				prev->hnext = pos->hnext;
+			} else {
+				pmksa->pmkid[PMKID_HASH(entry->pmkid)] =
+					pos->hnext;
+			}
+			break;
+		}
+		prev = pos;
+		pos = pos->hnext;
+	}
+
+	pos = pmksa->pmksa;
+	prev = NULL;
+	while (pos) {
+		if (pos == entry) {
+			if (prev != NULL)
+				prev->next = pos->next;
+			else
+				pmksa->pmksa = pos->next;
+			break;
+		}
+		prev = pos;
+		pos = pos->next;
+	}
+	_pmksa_cache_free_entry(entry);
+}
+
+
+static void pmksa_cache_expire(void *eloop_ctx, void *timeout_ctx)
+{
+	struct rsn_pmksa_cache *pmksa = eloop_ctx;
+	struct os_time now;
+
+	os_get_time(&now);
+	while (pmksa->pmksa && pmksa->pmksa->expiration <= now.sec) {
+		struct rsn_pmksa_cache_entry *entry = pmksa->pmksa;
+		pmksa->pmksa = entry->next;
+		wpa_printf(MSG_DEBUG, "RSN: expired PMKSA cache entry for "
+			   MACSTR, MAC2STR(entry->spa));
+		pmksa_cache_free_entry(pmksa, entry);
+	}
+
+	pmksa_cache_set_expiration(pmksa);
+}
+
+
+static void pmksa_cache_set_expiration(struct rsn_pmksa_cache *pmksa)
+{
+	int sec;
+	struct os_time now;
+
+	eloop_cancel_timeout(pmksa_cache_expire, pmksa, NULL);
+	if (pmksa->pmksa == NULL)
+		return;
+	os_get_time(&now);
+	sec = pmksa->pmksa->expiration - now.sec;
+	if (sec < 0)
+		sec = 0;
+	eloop_register_timeout(sec + 1, 0, pmksa_cache_expire, pmksa, NULL);
+}
+
+
+static void pmksa_cache_from_eapol_data(struct rsn_pmksa_cache_entry *entry,
+					struct eapol_state_machine *eapol)
+{
+	if (eapol == NULL)
+		return;
+
+	if (eapol->identity) {
+		entry->identity = os_malloc(eapol->identity_len);
+		if (entry->identity) {
+			entry->identity_len = eapol->identity_len;
+			os_memcpy(entry->identity, eapol->identity,
+				  eapol->identity_len);
+		}
+	}
+
+#ifndef CONFIG_NO_RADIUS
+	radius_copy_class(&entry->radius_class, &eapol->radius_class);
+#endif /* CONFIG_NO_RADIUS */
+
+	entry->eap_type_authsrv = eapol->eap_type_authsrv;
+	entry->vlan_id = ((struct sta_info *) eapol->sta)->vlan_id;
+}
+
+
+void pmksa_cache_to_eapol_data(struct rsn_pmksa_cache_entry *entry,
+			       struct eapol_state_machine *eapol)
+{
+	if (entry == NULL || eapol == NULL)
+		return;
+
+	if (entry->identity) {
+		os_free(eapol->identity);
+		eapol->identity = os_malloc(entry->identity_len);
+		if (eapol->identity) {
+			eapol->identity_len = entry->identity_len;
+			os_memcpy(eapol->identity, entry->identity,
+				  entry->identity_len);
+		}
+		wpa_hexdump_ascii(MSG_DEBUG, "STA identity from PMKSA",
+				  eapol->identity, eapol->identity_len);
+	}
+
+#ifndef CONFIG_NO_RADIUS
+	radius_free_class(&eapol->radius_class);
+	radius_copy_class(&eapol->radius_class, &entry->radius_class);
+#endif /* CONFIG_NO_RADIUS */
+	if (eapol->radius_class.attr) {
+		wpa_printf(MSG_DEBUG, "Copied %lu Class attribute(s) from "
+			   "PMKSA", (unsigned long) eapol->radius_class.count);
+	}
+
+	eapol->eap_type_authsrv = entry->eap_type_authsrv;
+	((struct sta_info *) eapol->sta)->vlan_id = entry->vlan_id;
+}
+
+
+static void pmksa_cache_link_entry(struct rsn_pmksa_cache *pmksa,
+				   struct rsn_pmksa_cache_entry *entry)
+{
+	struct rsn_pmksa_cache_entry *pos, *prev;
+
+	/* Add the new entry; order by expiration time */
+	pos = pmksa->pmksa;
+	prev = NULL;
+	while (pos) {
+		if (pos->expiration > entry->expiration)
+			break;
+		prev = pos;
+		pos = pos->next;
+	}
+	if (prev == NULL) {
+		entry->next = pmksa->pmksa;
+		pmksa->pmksa = entry;
+	} else {
+		entry->next = prev->next;
+		prev->next = entry;
+	}
+	entry->hnext = pmksa->pmkid[PMKID_HASH(entry->pmkid)];
+	pmksa->pmkid[PMKID_HASH(entry->pmkid)] = entry;
+
+	pmksa->pmksa_count++;
+	wpa_printf(MSG_DEBUG, "RSN: added PMKSA cache entry for " MACSTR,
+		   MAC2STR(entry->spa));
+	wpa_hexdump(MSG_DEBUG, "RSN: added PMKID", entry->pmkid, PMKID_LEN);
+}
+
+
+/**
+ * pmksa_cache_auth_add - Add a PMKSA cache entry
+ * @pmksa: Pointer to PMKSA cache data from pmksa_cache_auth_init()
+ * @pmk: The new pairwise master key
+ * @pmk_len: PMK length in bytes, usually PMK_LEN (32)
+ * @aa: Authenticator address
+ * @spa: Supplicant address
+ * @session_timeout: Session timeout
+ * @eapol: Pointer to EAPOL state machine data
+ * @akmp: WPA_KEY_MGMT_* used in key derivation
+ * Returns: Pointer to the added PMKSA cache entry or %NULL on error
+ *
+ * This function create a PMKSA entry for a new PMK and adds it to the PMKSA
+ * cache. If an old entry is already in the cache for the same Supplicant,
+ * this entry will be replaced with the new entry. PMKID will be calculated
+ * based on the PMK.
+ */
+struct rsn_pmksa_cache_entry *
+pmksa_cache_auth_add(struct rsn_pmksa_cache *pmksa,
+		     const u8 *pmk, size_t pmk_len,
+		const u8 *aa, const u8 *spa, int session_timeout,
+		struct eapol_state_machine *eapol, int akmp)
+{
+	struct rsn_pmksa_cache_entry *entry, *pos;
+	struct os_time now;
+
+	if (pmk_len > PMK_LEN)
+		return NULL;
+
+	entry = os_zalloc(sizeof(*entry));
+	if (entry == NULL)
+		return NULL;
+	os_memcpy(entry->pmk, pmk, pmk_len);
+	entry->pmk_len = pmk_len;
+	rsn_pmkid(pmk, pmk_len, aa, spa, entry->pmkid,
+		  wpa_key_mgmt_sha256(akmp));
+	os_get_time(&now);
+	entry->expiration = now.sec;
+	if (session_timeout > 0)
+		entry->expiration += session_timeout;
+	else
+		entry->expiration += dot11RSNAConfigPMKLifetime;
+	entry->akmp = akmp;
+	os_memcpy(entry->spa, spa, ETH_ALEN);
+	pmksa_cache_from_eapol_data(entry, eapol);
+
+	/* Replace an old entry for the same STA (if found) with the new entry
+	 */
+	pos = pmksa_cache_auth_get(pmksa, spa, NULL);
+	if (pos)
+		pmksa_cache_free_entry(pmksa, pos);
+
+	if (pmksa->pmksa_count >= pmksa_cache_max_entries && pmksa->pmksa) {
+		/* Remove the oldest entry to make room for the new entry */
+		wpa_printf(MSG_DEBUG, "RSN: removed the oldest PMKSA cache "
+			   "entry (for " MACSTR ") to make room for new one",
+			   MAC2STR(pmksa->pmksa->spa));
+		pmksa_cache_free_entry(pmksa, pmksa->pmksa);
+	}
+
+	pmksa_cache_link_entry(pmksa, entry);
+
+	return entry;
+}
+
+
+struct rsn_pmksa_cache_entry *
+pmksa_cache_add_okc(struct rsn_pmksa_cache *pmksa,
+		    const struct rsn_pmksa_cache_entry *old_entry,
+		    const u8 *aa, const u8 *pmkid)
+{
+	struct rsn_pmksa_cache_entry *entry;
+
+	entry = os_zalloc(sizeof(*entry));
+	if (entry == NULL)
+		return NULL;
+	os_memcpy(entry->pmkid, pmkid, PMKID_LEN);
+	os_memcpy(entry->pmk, old_entry->pmk, old_entry->pmk_len);
+	entry->pmk_len = old_entry->pmk_len;
+	entry->expiration = old_entry->expiration;
+	entry->akmp = old_entry->akmp;
+	os_memcpy(entry->spa, old_entry->spa, ETH_ALEN);
+	entry->opportunistic = 1;
+	if (old_entry->identity) {
+		entry->identity = os_malloc(old_entry->identity_len);
+		if (entry->identity) {
+			entry->identity_len = old_entry->identity_len;
+			os_memcpy(entry->identity, old_entry->identity,
+				  old_entry->identity_len);
+		}
+	}
+#ifndef CONFIG_NO_RADIUS
+	radius_copy_class(&entry->radius_class, &old_entry->radius_class);
+#endif /* CONFIG_NO_RADIUS */
+	entry->eap_type_authsrv = old_entry->eap_type_authsrv;
+	entry->vlan_id = old_entry->vlan_id;
+	entry->opportunistic = 1;
+
+	pmksa_cache_link_entry(pmksa, entry);
+
+	return entry;
+}
+
+
+/**
+ * pmksa_cache_auth_deinit - Free all entries in PMKSA cache
+ * @pmksa: Pointer to PMKSA cache data from pmksa_cache_auth_init()
+ */
+void pmksa_cache_auth_deinit(struct rsn_pmksa_cache *pmksa)
+{
+	struct rsn_pmksa_cache_entry *entry, *prev;
+	int i;
+
+	if (pmksa == NULL)
+		return;
+
+	entry = pmksa->pmksa;
+	while (entry) {
+		prev = entry;
+		entry = entry->next;
+		_pmksa_cache_free_entry(prev);
+	}
+	eloop_cancel_timeout(pmksa_cache_expire, pmksa, NULL);
+	for (i = 0; i < PMKID_HASH_SIZE; i++)
+		pmksa->pmkid[i] = NULL;
+	os_free(pmksa);
+}
+
+
+/**
+ * pmksa_cache_auth_get - Fetch a PMKSA cache entry
+ * @pmksa: Pointer to PMKSA cache data from pmksa_cache_auth_init()
+ * @spa: Supplicant address or %NULL to match any
+ * @pmkid: PMKID or %NULL to match any
+ * Returns: Pointer to PMKSA cache entry or %NULL if no match was found
+ */
+struct rsn_pmksa_cache_entry *
+pmksa_cache_auth_get(struct rsn_pmksa_cache *pmksa,
+		     const u8 *spa, const u8 *pmkid)
+{
+	struct rsn_pmksa_cache_entry *entry;
+
+	if (pmkid)
+		entry = pmksa->pmkid[PMKID_HASH(pmkid)];
+	else
+		entry = pmksa->pmksa;
+	while (entry) {
+		if ((spa == NULL ||
+		     os_memcmp(entry->spa, spa, ETH_ALEN) == 0) &&
+		    (pmkid == NULL ||
+		     os_memcmp(entry->pmkid, pmkid, PMKID_LEN) == 0))
+			return entry;
+		entry = pmkid ? entry->hnext : entry->next;
+	}
+	return NULL;
+}
+
+
+/**
+ * pmksa_cache_get_okc - Fetch a PMKSA cache entry using OKC
+ * @pmksa: Pointer to PMKSA cache data from pmksa_cache_auth_init()
+ * @aa: Authenticator address
+ * @spa: Supplicant address
+ * @pmkid: PMKID
+ * Returns: Pointer to PMKSA cache entry or %NULL if no match was found
+ *
+ * Use opportunistic key caching (OKC) to find a PMK for a supplicant.
+ */
+struct rsn_pmksa_cache_entry * pmksa_cache_get_okc(
+	struct rsn_pmksa_cache *pmksa, const u8 *aa, const u8 *spa,
+	const u8 *pmkid)
+{
+	struct rsn_pmksa_cache_entry *entry;
+	u8 new_pmkid[PMKID_LEN];
+
+	entry = pmksa->pmksa;
+	while (entry) {
+		if (os_memcmp(entry->spa, spa, ETH_ALEN) != 0)
+			continue;
+		rsn_pmkid(entry->pmk, entry->pmk_len, aa, spa, new_pmkid,
+			  wpa_key_mgmt_sha256(entry->akmp));
+		if (os_memcmp(new_pmkid, pmkid, PMKID_LEN) == 0)
+			return entry;
+		entry = entry->next;
+	}
+	return NULL;
+}
+
+
+/**
+ * pmksa_cache_auth_init - Initialize PMKSA cache
+ * @free_cb: Callback function to be called when a PMKSA cache entry is freed
+ * @ctx: Context pointer for free_cb function
+ * Returns: Pointer to PMKSA cache data or %NULL on failure
+ */
+struct rsn_pmksa_cache *
+pmksa_cache_auth_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry,
+				      void *ctx), void *ctx)
+{
+	struct rsn_pmksa_cache *pmksa;
+
+	pmksa = os_zalloc(sizeof(*pmksa));
+	if (pmksa) {
+		pmksa->free_cb = free_cb;
+		pmksa->ctx = ctx;
+	}
+
+	return pmksa;
+}
diff --git a/src/ap/pmksa_cache_auth.h b/src/ap/pmksa_cache_auth.h
new file mode 100644
index 0000000..9628b13
--- /dev/null
+++ b/src/ap/pmksa_cache_auth.h
@@ -0,0 +1,64 @@
+/*
+ * hostapd - PMKSA cache for IEEE 802.11i RSN
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef PMKSA_CACHE_H
+#define PMKSA_CACHE_H
+
+#include "radius/radius.h"
+
+/**
+ * struct rsn_pmksa_cache_entry - PMKSA cache entry
+ */
+struct rsn_pmksa_cache_entry {
+	struct rsn_pmksa_cache_entry *next, *hnext;
+	u8 pmkid[PMKID_LEN];
+	u8 pmk[PMK_LEN];
+	size_t pmk_len;
+	os_time_t expiration;
+	int akmp; /* WPA_KEY_MGMT_* */
+	u8 spa[ETH_ALEN];
+
+	u8 *identity;
+	size_t identity_len;
+	struct radius_class_data radius_class;
+	u8 eap_type_authsrv;
+	int vlan_id;
+	int opportunistic;
+};
+
+struct rsn_pmksa_cache;
+
+struct rsn_pmksa_cache *
+pmksa_cache_auth_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry,
+				      void *ctx), void *ctx);
+void pmksa_cache_auth_deinit(struct rsn_pmksa_cache *pmksa);
+struct rsn_pmksa_cache_entry *
+pmksa_cache_auth_get(struct rsn_pmksa_cache *pmksa,
+		     const u8 *spa, const u8 *pmkid);
+struct rsn_pmksa_cache_entry * pmksa_cache_get_okc(
+	struct rsn_pmksa_cache *pmksa, const u8 *spa, const u8 *aa,
+	const u8 *pmkid);
+struct rsn_pmksa_cache_entry *
+pmksa_cache_auth_add(struct rsn_pmksa_cache *pmksa,
+		     const u8 *pmk, size_t pmk_len,
+		     const u8 *aa, const u8 *spa, int session_timeout,
+		     struct eapol_state_machine *eapol, int akmp);
+struct rsn_pmksa_cache_entry *
+pmksa_cache_add_okc(struct rsn_pmksa_cache *pmksa,
+		    const struct rsn_pmksa_cache_entry *old_entry,
+		    const u8 *aa, const u8 *pmkid);
+void pmksa_cache_to_eapol_data(struct rsn_pmksa_cache_entry *entry,
+			       struct eapol_state_machine *eapol);
+
+#endif /* PMKSA_CACHE_H */
diff --git a/src/ap/preauth_auth.c b/src/ap/preauth_auth.c
new file mode 100644
index 0000000..8e13315
--- /dev/null
+++ b/src/ap/preauth_auth.c
@@ -0,0 +1,279 @@
+/*
+ * hostapd - Authenticator for IEEE 802.11i RSN pre-authentication
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#ifdef CONFIG_RSN_PREAUTH
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "l2_packet/l2_packet.h"
+#include "common/wpa_common.h"
+#include "eapol_auth/eapol_auth_sm.h"
+#include "eapol_auth/eapol_auth_sm_i.h"
+#include "hostapd.h"
+#include "ap_config.h"
+#include "ieee802_1x.h"
+#include "sta_info.h"
+#include "wpa_auth.h"
+#include "preauth_auth.h"
+
+#ifndef ETH_P_PREAUTH
+#define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
+#endif /* ETH_P_PREAUTH */
+
+static const int dot11RSNAConfigPMKLifetime = 43200;
+
+struct rsn_preauth_interface {
+	struct rsn_preauth_interface *next;
+	struct hostapd_data *hapd;
+	struct l2_packet_data *l2;
+	char *ifname;
+	int ifindex;
+};
+
+
+static void rsn_preauth_receive(void *ctx, const u8 *src_addr,
+				const u8 *buf, size_t len)
+{
+	struct rsn_preauth_interface *piface = ctx;
+	struct hostapd_data *hapd = piface->hapd;
+	struct ieee802_1x_hdr *hdr;
+	struct sta_info *sta;
+	struct l2_ethhdr *ethhdr;
+
+	wpa_printf(MSG_DEBUG, "RSN: receive pre-auth packet "
+		   "from interface '%s'", piface->ifname);
+	if (len < sizeof(*ethhdr) + sizeof(*hdr)) {
+		wpa_printf(MSG_DEBUG, "RSN: too short pre-auth packet "
+			   "(len=%lu)", (unsigned long) len);
+		return;
+	}
+
+	ethhdr = (struct l2_ethhdr *) buf;
+	hdr = (struct ieee802_1x_hdr *) (ethhdr + 1);
+
+	if (os_memcmp(ethhdr->h_dest, hapd->own_addr, ETH_ALEN) != 0) {
+		wpa_printf(MSG_DEBUG, "RSN: pre-auth for foreign address "
+			   MACSTR, MAC2STR(ethhdr->h_dest));
+		return;
+	}
+
+	sta = ap_get_sta(hapd, ethhdr->h_source);
+	if (sta && (sta->flags & WLAN_STA_ASSOC)) {
+		wpa_printf(MSG_DEBUG, "RSN: pre-auth for already association "
+			   "STA " MACSTR, MAC2STR(sta->addr));
+		return;
+	}
+	if (!sta && hdr->type == IEEE802_1X_TYPE_EAPOL_START) {
+		sta = ap_sta_add(hapd, ethhdr->h_source);
+		if (sta == NULL)
+			return;
+		sta->flags = WLAN_STA_PREAUTH;
+
+		ieee802_1x_new_station(hapd, sta);
+		if (sta->eapol_sm == NULL) {
+			ap_free_sta(hapd, sta);
+			sta = NULL;
+		} else {
+			sta->eapol_sm->radius_identifier = -1;
+			sta->eapol_sm->portValid = TRUE;
+			sta->eapol_sm->flags |= EAPOL_SM_PREAUTH;
+		}
+	}
+	if (sta == NULL)
+		return;
+	sta->preauth_iface = piface;
+	ieee802_1x_receive(hapd, ethhdr->h_source, (u8 *) (ethhdr + 1),
+			   len - sizeof(*ethhdr));
+}
+
+
+static int rsn_preauth_iface_add(struct hostapd_data *hapd, const char *ifname)
+{
+	struct rsn_preauth_interface *piface;
+
+	wpa_printf(MSG_DEBUG, "RSN pre-auth interface '%s'", ifname);
+
+	piface = os_zalloc(sizeof(*piface));
+	if (piface == NULL)
+		return -1;
+	piface->hapd = hapd;
+
+	piface->ifname = os_strdup(ifname);
+	if (piface->ifname == NULL) {
+		goto fail1;
+	}
+
+	piface->l2 = l2_packet_init(piface->ifname, NULL, ETH_P_PREAUTH,
+				    rsn_preauth_receive, piface, 1);
+	if (piface->l2 == NULL) {
+		wpa_printf(MSG_ERROR, "Failed to open register layer 2 access "
+			   "to ETH_P_PREAUTH");
+		goto fail2;
+	}
+
+	piface->next = hapd->preauth_iface;
+	hapd->preauth_iface = piface;
+	return 0;
+
+fail2:
+	os_free(piface->ifname);
+fail1:
+	os_free(piface);
+	return -1;
+}
+
+
+void rsn_preauth_iface_deinit(struct hostapd_data *hapd)
+{
+	struct rsn_preauth_interface *piface, *prev;
+
+	piface = hapd->preauth_iface;
+	hapd->preauth_iface = NULL;
+	while (piface) {
+		prev = piface;
+		piface = piface->next;
+		l2_packet_deinit(prev->l2);
+		os_free(prev->ifname);
+		os_free(prev);
+	}
+}
+
+
+int rsn_preauth_iface_init(struct hostapd_data *hapd)
+{
+	char *tmp, *start, *end;
+
+	if (hapd->conf->rsn_preauth_interfaces == NULL)
+		return 0;
+
+	tmp = os_strdup(hapd->conf->rsn_preauth_interfaces);
+	if (tmp == NULL)
+		return -1;
+	start = tmp;
+	for (;;) {
+		while (*start == ' ')
+			start++;
+		if (*start == '\0')
+			break;
+		end = os_strchr(start, ' ');
+		if (end)
+			*end = '\0';
+
+		if (rsn_preauth_iface_add(hapd, start)) {
+			rsn_preauth_iface_deinit(hapd);
+			os_free(tmp);
+			return -1;
+		}
+
+		if (end)
+			start = end + 1;
+		else
+			break;
+	}
+	os_free(tmp);
+	return 0;
+}
+
+
+static void rsn_preauth_finished_cb(void *eloop_ctx, void *timeout_ctx)
+{
+	struct hostapd_data *hapd = eloop_ctx;
+	struct sta_info *sta = timeout_ctx;
+	wpa_printf(MSG_DEBUG, "RSN: Removing pre-authentication STA entry for "
+		   MACSTR, MAC2STR(sta->addr));
+	ap_free_sta(hapd, sta);
+}
+
+
+void rsn_preauth_finished(struct hostapd_data *hapd, struct sta_info *sta,
+			  int success)
+{
+	const u8 *key;
+	size_t len;
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_WPA,
+		       HOSTAPD_LEVEL_INFO, "pre-authentication %s",
+		       success ? "succeeded" : "failed");
+
+	key = ieee802_1x_get_key(sta->eapol_sm, &len);
+	if (len > PMK_LEN)
+		len = PMK_LEN;
+	if (success && key) {
+		if (wpa_auth_pmksa_add_preauth(hapd->wpa_auth, key, len,
+					       sta->addr,
+					       dot11RSNAConfigPMKLifetime,
+					       sta->eapol_sm) == 0) {
+			hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_WPA,
+				       HOSTAPD_LEVEL_DEBUG,
+				       "added PMKSA cache entry (pre-auth)");
+		} else {
+			hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_WPA,
+				       HOSTAPD_LEVEL_DEBUG,
+				       "failed to add PMKSA cache entry "
+				       "(pre-auth)");
+		}
+	}
+
+	/*
+	 * Finish STA entry removal from timeout in order to avoid freeing
+	 * STA data before the caller has finished processing.
+	 */
+	eloop_register_timeout(0, 0, rsn_preauth_finished_cb, hapd, sta);
+}
+
+
+void rsn_preauth_send(struct hostapd_data *hapd, struct sta_info *sta,
+		      u8 *buf, size_t len)
+{
+	struct rsn_preauth_interface *piface;
+	struct l2_ethhdr *ethhdr;
+
+	piface = hapd->preauth_iface;
+	while (piface) {
+		if (piface == sta->preauth_iface)
+			break;
+		piface = piface->next;
+	}
+
+	if (piface == NULL) {
+		wpa_printf(MSG_DEBUG, "RSN: Could not find pre-authentication "
+			   "interface for " MACSTR, MAC2STR(sta->addr));
+		return;
+	}
+
+	ethhdr = os_malloc(sizeof(*ethhdr) + len);
+	if (ethhdr == NULL)
+		return;
+
+	os_memcpy(ethhdr->h_dest, sta->addr, ETH_ALEN);
+	os_memcpy(ethhdr->h_source, hapd->own_addr, ETH_ALEN);
+	ethhdr->h_proto = host_to_be16(ETH_P_PREAUTH);
+	os_memcpy(ethhdr + 1, buf, len);
+
+	if (l2_packet_send(piface->l2, sta->addr, ETH_P_PREAUTH, (u8 *) ethhdr,
+			   sizeof(*ethhdr) + len) < 0) {
+		wpa_printf(MSG_ERROR, "Failed to send preauth packet using "
+			   "l2_packet_send\n");
+	}
+	os_free(ethhdr);
+}
+
+
+void rsn_preauth_free_station(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	eloop_cancel_timeout(rsn_preauth_finished_cb, hapd, sta);
+}
+
+#endif /* CONFIG_RSN_PREAUTH */
diff --git a/src/ap/preauth_auth.h b/src/ap/preauth_auth.h
new file mode 100644
index 0000000..5348bee
--- /dev/null
+++ b/src/ap/preauth_auth.h
@@ -0,0 +1,58 @@
+/*
+ * hostapd - Authenticator for IEEE 802.11i RSN pre-authentication
+ * Copyright (c) 2004-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef PREAUTH_H
+#define PREAUTH_H
+
+#ifdef CONFIG_RSN_PREAUTH
+
+int rsn_preauth_iface_init(struct hostapd_data *hapd);
+void rsn_preauth_iface_deinit(struct hostapd_data *hapd);
+void rsn_preauth_finished(struct hostapd_data *hapd, struct sta_info *sta,
+			  int success);
+void rsn_preauth_send(struct hostapd_data *hapd, struct sta_info *sta,
+		      u8 *buf, size_t len);
+void rsn_preauth_free_station(struct hostapd_data *hapd, struct sta_info *sta);
+
+#else /* CONFIG_RSN_PREAUTH */
+
+static inline int rsn_preauth_iface_init(struct hostapd_data *hapd)
+{
+	return 0;
+}
+
+static inline void rsn_preauth_iface_deinit(struct hostapd_data *hapd)
+{
+}
+
+static inline void rsn_preauth_finished(struct hostapd_data *hapd,
+					struct sta_info *sta,
+					int success)
+{
+}
+
+static inline void rsn_preauth_send(struct hostapd_data *hapd,
+				    struct sta_info *sta,
+				    u8 *buf, size_t len)
+{
+}
+
+static inline void rsn_preauth_free_station(struct hostapd_data *hapd,
+					    struct sta_info *sta)
+{
+}
+
+#endif /* CONFIG_RSN_PREAUTH */
+
+#endif /* PREAUTH_H */
diff --git a/src/ap/sta_info.c b/src/ap/sta_info.c
new file mode 100644
index 0000000..e829447
--- /dev/null
+++ b/src/ap/sta_info.c
@@ -0,0 +1,796 @@
+/*
+ * hostapd / Station table
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "common/ieee802_11_defs.h"
+#include "radius/radius.h"
+#include "radius/radius_client.h"
+#include "drivers/driver.h"
+#include "p2p/p2p.h"
+#include "hostapd.h"
+#include "accounting.h"
+#include "ieee802_1x.h"
+#include "ieee802_11.h"
+#include "wpa_auth.h"
+#include "preauth_auth.h"
+#include "ap_config.h"
+#include "beacon.h"
+#include "ap_mlme.h"
+#include "vlan_init.h"
+#include "p2p_hostapd.h"
+#include "ap_drv_ops.h"
+#include "sta_info.h"
+
+static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd,
+				       struct sta_info *sta);
+static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx);
+#ifdef CONFIG_IEEE80211W
+static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx);
+#endif /* CONFIG_IEEE80211W */
+
+int ap_for_each_sta(struct hostapd_data *hapd,
+		    int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
+			      void *ctx),
+		    void *ctx)
+{
+	struct sta_info *sta;
+
+	for (sta = hapd->sta_list; sta; sta = sta->next) {
+		if (cb(hapd, sta, ctx))
+			return 1;
+	}
+
+	return 0;
+}
+
+
+struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta)
+{
+	struct sta_info *s;
+
+	s = hapd->sta_hash[STA_HASH(sta)];
+	while (s != NULL && os_memcmp(s->addr, sta, 6) != 0)
+		s = s->hnext;
+	return s;
+}
+
+
+static void ap_sta_list_del(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	struct sta_info *tmp;
+
+	if (hapd->sta_list == sta) {
+		hapd->sta_list = sta->next;
+		return;
+	}
+
+	tmp = hapd->sta_list;
+	while (tmp != NULL && tmp->next != sta)
+		tmp = tmp->next;
+	if (tmp == NULL) {
+		wpa_printf(MSG_DEBUG, "Could not remove STA " MACSTR " from "
+			   "list.", MAC2STR(sta->addr));
+	} else
+		tmp->next = sta->next;
+}
+
+
+void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	sta->hnext = hapd->sta_hash[STA_HASH(sta->addr)];
+	hapd->sta_hash[STA_HASH(sta->addr)] = sta;
+}
+
+
+static void ap_sta_hash_del(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	struct sta_info *s;
+
+	s = hapd->sta_hash[STA_HASH(sta->addr)];
+	if (s == NULL) return;
+	if (os_memcmp(s->addr, sta->addr, 6) == 0) {
+		hapd->sta_hash[STA_HASH(sta->addr)] = s->hnext;
+		return;
+	}
+
+	while (s->hnext != NULL &&
+	       os_memcmp(s->hnext->addr, sta->addr, ETH_ALEN) != 0)
+		s = s->hnext;
+	if (s->hnext != NULL)
+		s->hnext = s->hnext->hnext;
+	else
+		wpa_printf(MSG_DEBUG, "AP: could not remove STA " MACSTR
+			   " from hash table", MAC2STR(sta->addr));
+}
+
+
+void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	int set_beacon = 0;
+
+	accounting_sta_stop(hapd, sta);
+
+	/* just in case */
+	ap_sta_set_authorized(hapd, sta, 0);
+
+	if (sta->flags & WLAN_STA_WDS)
+		hostapd_set_wds_sta(hapd, sta->addr, sta->aid, 0);
+
+	if (!(sta->flags & WLAN_STA_PREAUTH))
+		hostapd_drv_sta_remove(hapd, sta->addr);
+
+	ap_sta_hash_del(hapd, sta);
+	ap_sta_list_del(hapd, sta);
+
+	if (sta->aid > 0)
+		hapd->sta_aid[(sta->aid - 1) / 32] &=
+			~BIT((sta->aid - 1) % 32);
+
+	hapd->num_sta--;
+	if (sta->nonerp_set) {
+		sta->nonerp_set = 0;
+		hapd->iface->num_sta_non_erp--;
+		if (hapd->iface->num_sta_non_erp == 0)
+			set_beacon++;
+	}
+
+	if (sta->no_short_slot_time_set) {
+		sta->no_short_slot_time_set = 0;
+		hapd->iface->num_sta_no_short_slot_time--;
+		if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
+		    && hapd->iface->num_sta_no_short_slot_time == 0)
+			set_beacon++;
+	}
+
+	if (sta->no_short_preamble_set) {
+		sta->no_short_preamble_set = 0;
+		hapd->iface->num_sta_no_short_preamble--;
+		if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
+		    && hapd->iface->num_sta_no_short_preamble == 0)
+			set_beacon++;
+	}
+
+	if (sta->no_ht_gf_set) {
+		sta->no_ht_gf_set = 0;
+		hapd->iface->num_sta_ht_no_gf--;
+	}
+
+	if (sta->no_ht_set) {
+		sta->no_ht_set = 0;
+		hapd->iface->num_sta_no_ht--;
+	}
+
+	if (sta->ht_20mhz_set) {
+		sta->ht_20mhz_set = 0;
+		hapd->iface->num_sta_ht_20mhz--;
+	}
+
+#ifdef CONFIG_P2P
+	if (sta->no_p2p_set) {
+		sta->no_p2p_set = 0;
+		hapd->num_sta_no_p2p--;
+		if (hapd->num_sta_no_p2p == 0)
+			hostapd_p2p_non_p2p_sta_disconnected(hapd);
+	}
+#endif /* CONFIG_P2P */
+
+#if defined(NEED_AP_MLME) && defined(CONFIG_IEEE80211N)
+	if (hostapd_ht_operation_update(hapd->iface) > 0)
+		set_beacon++;
+#endif /* NEED_AP_MLME && CONFIG_IEEE80211N */
+
+	if (set_beacon)
+		ieee802_11_set_beacons(hapd->iface);
+
+	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
+	eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
+
+	ieee802_1x_free_station(sta);
+	wpa_auth_sta_deinit(sta->wpa_sm);
+	rsn_preauth_free_station(hapd, sta);
+#ifndef CONFIG_NO_RADIUS
+	radius_client_flush_auth(hapd->radius, sta->addr);
+#endif /* CONFIG_NO_RADIUS */
+
+	os_free(sta->last_assoc_req);
+	os_free(sta->challenge);
+
+#ifdef CONFIG_IEEE80211W
+	os_free(sta->sa_query_trans_id);
+	eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
+#endif /* CONFIG_IEEE80211W */
+
+#ifdef CONFIG_P2P
+	p2p_group_notif_disassoc(hapd->p2p_group, sta->addr);
+#endif /* CONFIG_P2P */
+
+	wpabuf_free(sta->wps_ie);
+	wpabuf_free(sta->p2p_ie);
+
+	os_free(sta->ht_capabilities);
+
+	os_free(sta);
+}
+
+
+void hostapd_free_stas(struct hostapd_data *hapd)
+{
+	struct sta_info *sta, *prev;
+
+	sta = hapd->sta_list;
+
+	while (sta) {
+		prev = sta;
+		if (sta->flags & WLAN_STA_AUTH) {
+			mlme_deauthenticate_indication(
+				hapd, sta, WLAN_REASON_UNSPECIFIED);
+		}
+		sta = sta->next;
+		wpa_printf(MSG_DEBUG, "Removing station " MACSTR,
+			   MAC2STR(prev->addr));
+		ap_free_sta(hapd, prev);
+	}
+}
+
+
+/**
+ * ap_handle_timer - Per STA timer handler
+ * @eloop_ctx: struct hostapd_data *
+ * @timeout_ctx: struct sta_info *
+ *
+ * This function is called to check station activity and to remove inactive
+ * stations.
+ */
+void ap_handle_timer(void *eloop_ctx, void *timeout_ctx)
+{
+	struct hostapd_data *hapd = eloop_ctx;
+	struct sta_info *sta = timeout_ctx;
+	unsigned long next_time = 0;
+
+	if (sta->timeout_next == STA_REMOVE) {
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_INFO, "deauthenticated due to "
+			       "local deauth request");
+		ap_free_sta(hapd, sta);
+		return;
+	}
+
+	if ((sta->flags & WLAN_STA_ASSOC) &&
+	    (sta->timeout_next == STA_NULLFUNC ||
+	     sta->timeout_next == STA_DISASSOC)) {
+		int inactive_sec;
+		inactive_sec = hostapd_drv_get_inact_sec(hapd, sta->addr);
+		if (inactive_sec == -1) {
+			wpa_msg(hapd, MSG_DEBUG, "Check inactivity: Could not "
+				"get station info rom kernel driver for "
+				MACSTR, MAC2STR(sta->addr));
+		} else if (inactive_sec < hapd->conf->ap_max_inactivity &&
+			   sta->flags & WLAN_STA_ASSOC) {
+			/* station activity detected; reset timeout state */
+			wpa_msg(hapd, MSG_DEBUG, "Station " MACSTR " has been "
+				"active %is ago",
+				MAC2STR(sta->addr), inactive_sec);
+			sta->timeout_next = STA_NULLFUNC;
+			next_time = hapd->conf->ap_max_inactivity -
+				inactive_sec;
+		} else {
+			wpa_msg(hapd, MSG_DEBUG, "Station " MACSTR " has been "
+				"inactive too long: %d sec, max allowed: %d",
+				MAC2STR(sta->addr), inactive_sec,
+				hapd->conf->ap_max_inactivity);
+		}
+	}
+
+	if ((sta->flags & WLAN_STA_ASSOC) &&
+	    sta->timeout_next == STA_DISASSOC &&
+	    !(sta->flags & WLAN_STA_PENDING_POLL)) {
+		wpa_msg(hapd, MSG_DEBUG, "Station " MACSTR " has ACKed data "
+			"poll", MAC2STR(sta->addr));
+		/* data nullfunc frame poll did not produce TX errors; assume
+		 * station ACKed it */
+		sta->timeout_next = STA_NULLFUNC;
+		next_time = hapd->conf->ap_max_inactivity;
+	}
+
+	if (next_time) {
+		eloop_register_timeout(next_time, 0, ap_handle_timer, hapd,
+				       sta);
+		return;
+	}
+
+	if (sta->timeout_next == STA_NULLFUNC &&
+	    (sta->flags & WLAN_STA_ASSOC)) {
+#ifndef CONFIG_NATIVE_WINDOWS
+		/* send data frame to poll STA and check whether this frame
+		 * is ACKed */
+		struct ieee80211_hdr hdr;
+
+		wpa_printf(MSG_DEBUG, "  Polling STA with data frame");
+		sta->flags |= WLAN_STA_PENDING_POLL;
+
+		os_memset(&hdr, 0, sizeof(hdr));
+		if (hapd->driver &&
+		    os_strcmp(hapd->driver->name, "hostap") == 0) {
+			/*
+			 * WLAN_FC_STYPE_NULLFUNC would be more appropriate,
+			 * but it is apparently not retried so TX Exc events
+			 * are not received for it.
+			 */
+			hdr.frame_control =
+				IEEE80211_FC(WLAN_FC_TYPE_DATA,
+					     WLAN_FC_STYPE_DATA);
+		} else {
+			hdr.frame_control =
+				IEEE80211_FC(WLAN_FC_TYPE_DATA,
+					     WLAN_FC_STYPE_NULLFUNC);
+		}
+
+		hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
+		os_memcpy(hdr.IEEE80211_DA_FROMDS, sta->addr, ETH_ALEN);
+		os_memcpy(hdr.IEEE80211_BSSID_FROMDS, hapd->own_addr,
+			  ETH_ALEN);
+		os_memcpy(hdr.IEEE80211_SA_FROMDS, hapd->own_addr, ETH_ALEN);
+
+		if (hostapd_drv_send_mlme(hapd, &hdr, sizeof(hdr)) < 0)
+			perror("ap_handle_timer: send");
+#endif /* CONFIG_NATIVE_WINDOWS */
+	} else if (sta->timeout_next != STA_REMOVE) {
+		int deauth = sta->timeout_next == STA_DEAUTH;
+
+		wpa_printf(MSG_DEBUG, "Sending %s info to STA " MACSTR,
+			   deauth ? "deauthentication" : "disassociation",
+			   MAC2STR(sta->addr));
+
+		if (deauth) {
+			hostapd_drv_sta_deauth(
+				hapd, sta->addr,
+				WLAN_REASON_PREV_AUTH_NOT_VALID);
+		} else {
+			hostapd_drv_sta_disassoc(
+				hapd, sta->addr,
+				WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
+		}
+	}
+
+	switch (sta->timeout_next) {
+	case STA_NULLFUNC:
+		sta->timeout_next = STA_DISASSOC;
+		eloop_register_timeout(AP_DISASSOC_DELAY, 0, ap_handle_timer,
+				       hapd, sta);
+		break;
+	case STA_DISASSOC:
+		sta->flags &= ~WLAN_STA_ASSOC;
+		ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
+		if (!sta->acct_terminate_cause)
+			sta->acct_terminate_cause =
+				RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
+		accounting_sta_stop(hapd, sta);
+		ieee802_1x_free_station(sta);
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_INFO, "disassociated due to "
+			       "inactivity");
+		sta->timeout_next = STA_DEAUTH;
+		eloop_register_timeout(AP_DEAUTH_DELAY, 0, ap_handle_timer,
+				       hapd, sta);
+		mlme_disassociate_indication(
+			hapd, sta, WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
+		break;
+	case STA_DEAUTH:
+	case STA_REMOVE:
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_INFO, "deauthenticated due to "
+			       "inactivity");
+		if (!sta->acct_terminate_cause)
+			sta->acct_terminate_cause =
+				RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
+		mlme_deauthenticate_indication(
+			hapd, sta,
+			WLAN_REASON_PREV_AUTH_NOT_VALID);
+		ap_free_sta(hapd, sta);
+		break;
+	}
+}
+
+
+static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx)
+{
+	struct hostapd_data *hapd = eloop_ctx;
+	struct sta_info *sta = timeout_ctx;
+	u8 addr[ETH_ALEN];
+
+	if (!(sta->flags & WLAN_STA_AUTH))
+		return;
+
+	mlme_deauthenticate_indication(hapd, sta,
+				       WLAN_REASON_PREV_AUTH_NOT_VALID);
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_INFO, "deauthenticated due to "
+		       "session timeout");
+	sta->acct_terminate_cause =
+		RADIUS_ACCT_TERMINATE_CAUSE_SESSION_TIMEOUT;
+	os_memcpy(addr, sta->addr, ETH_ALEN);
+	ap_free_sta(hapd, sta);
+	hostapd_drv_sta_deauth(hapd, addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
+}
+
+
+void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
+			    u32 session_timeout)
+{
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_DEBUG, "setting session timeout to %d "
+		       "seconds", session_timeout);
+	eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
+	eloop_register_timeout(session_timeout, 0, ap_handle_session_timer,
+			       hapd, sta);
+}
+
+
+void ap_sta_no_session_timeout(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
+}
+
+
+struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr)
+{
+	struct sta_info *sta;
+
+	sta = ap_get_sta(hapd, addr);
+	if (sta)
+		return sta;
+
+	wpa_printf(MSG_DEBUG, "  New STA");
+	if (hapd->num_sta >= hapd->conf->max_num_sta) {
+		/* FIX: might try to remove some old STAs first? */
+		wpa_printf(MSG_DEBUG, "no more room for new STAs (%d/%d)",
+			   hapd->num_sta, hapd->conf->max_num_sta);
+		return NULL;
+	}
+
+	sta = os_zalloc(sizeof(struct sta_info));
+	if (sta == NULL) {
+		wpa_printf(MSG_ERROR, "malloc failed");
+		return NULL;
+	}
+	sta->acct_interim_interval = hapd->conf->acct_interim_interval;
+
+	/* initialize STA info data */
+	eloop_register_timeout(hapd->conf->ap_max_inactivity, 0,
+			       ap_handle_timer, hapd, sta);
+	os_memcpy(sta->addr, addr, ETH_ALEN);
+	sta->next = hapd->sta_list;
+	hapd->sta_list = sta;
+	hapd->num_sta++;
+	ap_sta_hash_add(hapd, sta);
+	sta->ssid = &hapd->conf->ssid;
+	ap_sta_remove_in_other_bss(hapd, sta);
+
+	return sta;
+}
+
+
+static int ap_sta_remove(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
+
+	wpa_printf(MSG_DEBUG, "Removing STA " MACSTR " from kernel driver",
+		   MAC2STR(sta->addr));
+	if (hostapd_drv_sta_remove(hapd, sta->addr) &&
+	    sta->flags & WLAN_STA_ASSOC) {
+		wpa_printf(MSG_DEBUG, "Could not remove station " MACSTR
+			   " from kernel driver.", MAC2STR(sta->addr));
+		return -1;
+	}
+	return 0;
+}
+
+
+static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd,
+				       struct sta_info *sta)
+{
+	struct hostapd_iface *iface = hapd->iface;
+	size_t i;
+
+	for (i = 0; i < iface->num_bss; i++) {
+		struct hostapd_data *bss = iface->bss[i];
+		struct sta_info *sta2;
+		/* bss should always be set during operation, but it may be
+		 * NULL during reconfiguration. Assume the STA is not
+		 * associated to another BSS in that case to avoid NULL pointer
+		 * dereferences. */
+		if (bss == hapd || bss == NULL)
+			continue;
+		sta2 = ap_get_sta(bss, sta->addr);
+		if (!sta2)
+			continue;
+
+		ap_sta_disconnect(bss, sta2, sta2->addr,
+				  WLAN_REASON_PREV_AUTH_NOT_VALID);
+	}
+}
+
+
+void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
+			 u16 reason)
+{
+	wpa_printf(MSG_DEBUG, "%s: disassociate STA " MACSTR,
+		   hapd->conf->iface, MAC2STR(sta->addr));
+	sta->flags &= ~WLAN_STA_ASSOC;
+	ap_sta_remove(hapd, sta);
+	sta->timeout_next = STA_DEAUTH;
+	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
+	eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DISASSOC, 0,
+			       ap_handle_timer, hapd, sta);
+	accounting_sta_stop(hapd, sta);
+	ieee802_1x_free_station(sta);
+
+	mlme_disassociate_indication(hapd, sta, reason);
+}
+
+
+void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
+			   u16 reason)
+{
+	wpa_printf(MSG_DEBUG, "%s: deauthenticate STA " MACSTR,
+		   hapd->conf->iface, MAC2STR(sta->addr));
+	sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
+	ap_sta_remove(hapd, sta);
+	sta->timeout_next = STA_REMOVE;
+	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
+	eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
+			       ap_handle_timer, hapd, sta);
+	accounting_sta_stop(hapd, sta);
+	ieee802_1x_free_station(sta);
+
+	mlme_deauthenticate_indication(hapd, sta, reason);
+}
+
+
+int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
+		     int old_vlanid)
+{
+#ifndef CONFIG_NO_VLAN
+	const char *iface;
+	struct hostapd_vlan *vlan = NULL;
+	int ret;
+
+	/*
+	 * Do not proceed furthur if the vlan id remains same. We do not want
+	 * duplicate dynamic vlan entries.
+	 */
+	if (sta->vlan_id == old_vlanid)
+		return 0;
+
+	/*
+	 * During 1x reauth, if the vlan id changes, then remove the old id and
+	 * proceed furthur to add the new one.
+	 */
+	if (old_vlanid > 0)
+		vlan_remove_dynamic(hapd, old_vlanid);
+
+	iface = hapd->conf->iface;
+	if (sta->ssid->vlan[0])
+		iface = sta->ssid->vlan;
+
+	if (sta->ssid->dynamic_vlan == DYNAMIC_VLAN_DISABLED)
+		sta->vlan_id = 0;
+	else if (sta->vlan_id > 0) {
+		vlan = hapd->conf->vlan;
+		while (vlan) {
+			if (vlan->vlan_id == sta->vlan_id ||
+			    vlan->vlan_id == VLAN_ID_WILDCARD) {
+				iface = vlan->ifname;
+				break;
+			}
+			vlan = vlan->next;
+		}
+	}
+
+	if (sta->vlan_id > 0 && vlan == NULL) {
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_DEBUG, "could not find VLAN for "
+			       "binding station to (vlan_id=%d)",
+			       sta->vlan_id);
+		return -1;
+	} else if (sta->vlan_id > 0 && vlan->vlan_id == VLAN_ID_WILDCARD) {
+		vlan = vlan_add_dynamic(hapd, vlan, sta->vlan_id);
+		if (vlan == NULL) {
+			hostapd_logger(hapd, sta->addr,
+				       HOSTAPD_MODULE_IEEE80211,
+				       HOSTAPD_LEVEL_DEBUG, "could not add "
+				       "dynamic VLAN interface for vlan_id=%d",
+				       sta->vlan_id);
+			return -1;
+		}
+
+		iface = vlan->ifname;
+		if (vlan_setup_encryption_dyn(hapd, sta->ssid, iface) != 0) {
+			hostapd_logger(hapd, sta->addr,
+				       HOSTAPD_MODULE_IEEE80211,
+				       HOSTAPD_LEVEL_DEBUG, "could not "
+				       "configure encryption for dynamic VLAN "
+				       "interface for vlan_id=%d",
+				       sta->vlan_id);
+		}
+
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_DEBUG, "added new dynamic VLAN "
+			       "interface '%s'", iface);
+	} else if (vlan && vlan->vlan_id == sta->vlan_id) {
+		if (sta->vlan_id > 0) {
+			vlan->dynamic_vlan++;
+			hostapd_logger(hapd, sta->addr,
+				       HOSTAPD_MODULE_IEEE80211,
+				       HOSTAPD_LEVEL_DEBUG, "updated existing "
+				       "dynamic VLAN interface '%s'", iface);
+		}
+
+		/*
+		 * Update encryption configuration for statically generated
+		 * VLAN interface. This is only used for static WEP
+		 * configuration for the case where hostapd did not yet know
+		 * which keys are to be used when the interface was added.
+		 */
+		if (vlan_setup_encryption_dyn(hapd, sta->ssid, iface) != 0) {
+			hostapd_logger(hapd, sta->addr,
+				       HOSTAPD_MODULE_IEEE80211,
+				       HOSTAPD_LEVEL_DEBUG, "could not "
+				       "configure encryption for VLAN "
+				       "interface for vlan_id=%d",
+				       sta->vlan_id);
+		}
+	}
+
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_DEBUG, "binding station to interface "
+		       "'%s'", iface);
+
+	if (wpa_auth_sta_set_vlan(sta->wpa_sm, sta->vlan_id) < 0)
+		wpa_printf(MSG_INFO, "Failed to update VLAN-ID for WPA");
+
+	ret = hostapd_drv_set_sta_vlan(iface, hapd, sta->addr, sta->vlan_id);
+	if (ret < 0) {
+		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_DEBUG, "could not bind the STA "
+			       "entry to vlan_id=%d", sta->vlan_id);
+	}
+	return ret;
+#else /* CONFIG_NO_VLAN */
+	return 0;
+#endif /* CONFIG_NO_VLAN */
+}
+
+
+#ifdef CONFIG_IEEE80211W
+
+int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	u32 tu;
+	struct os_time now, passed;
+	os_get_time(&now);
+	os_time_sub(&now, &sta->sa_query_start, &passed);
+	tu = (passed.sec * 1000000 + passed.usec) / 1024;
+	if (hapd->conf->assoc_sa_query_max_timeout < tu) {
+		hostapd_logger(hapd, sta->addr,
+			       HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_DEBUG,
+			       "association SA Query timed out");
+		sta->sa_query_timed_out = 1;
+		os_free(sta->sa_query_trans_id);
+		sta->sa_query_trans_id = NULL;
+		sta->sa_query_count = 0;
+		eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
+		return 1;
+	}
+
+	return 0;
+}
+
+
+static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx)
+{
+	struct hostapd_data *hapd = eloop_ctx;
+	struct sta_info *sta = timeout_ctx;
+	unsigned int timeout, sec, usec;
+	u8 *trans_id, *nbuf;
+
+	if (sta->sa_query_count > 0 &&
+	    ap_check_sa_query_timeout(hapd, sta))
+		return;
+
+	nbuf = os_realloc(sta->sa_query_trans_id,
+			  (sta->sa_query_count + 1) * WLAN_SA_QUERY_TR_ID_LEN);
+	if (nbuf == NULL)
+		return;
+	if (sta->sa_query_count == 0) {
+		/* Starting a new SA Query procedure */
+		os_get_time(&sta->sa_query_start);
+	}
+	trans_id = nbuf + sta->sa_query_count * WLAN_SA_QUERY_TR_ID_LEN;
+	sta->sa_query_trans_id = nbuf;
+	sta->sa_query_count++;
+
+	os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN);
+
+	timeout = hapd->conf->assoc_sa_query_retry_timeout;
+	sec = ((timeout / 1000) * 1024) / 1000;
+	usec = (timeout % 1000) * 1024;
+	eloop_register_timeout(sec, usec, ap_sa_query_timer, hapd, sta);
+
+	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_DEBUG,
+		       "association SA Query attempt %d", sta->sa_query_count);
+
+#ifdef NEED_AP_MLME
+	ieee802_11_send_sa_query_req(hapd, sta->addr, trans_id);
+#endif /* NEED_AP_MLME */
+}
+
+
+void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	ap_sa_query_timer(hapd, sta);
+}
+
+
+void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
+{
+	eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
+	os_free(sta->sa_query_trans_id);
+	sta->sa_query_trans_id = NULL;
+	sta->sa_query_count = 0;
+}
+
+#endif /* CONFIG_IEEE80211W */
+
+
+void ap_sta_set_authorized(struct hostapd_data *hapd, struct sta_info *sta,
+			   int authorized)
+{
+	if (!!authorized == !!(sta->flags & WLAN_STA_AUTHORIZED))
+		return;
+
+	if (authorized)
+		sta->flags |= WLAN_STA_AUTHORIZED;
+	else
+		sta->flags &= ~WLAN_STA_AUTHORIZED;
+
+	if (hapd->sta_authorized_cb)
+		hapd->sta_authorized_cb(hapd->sta_authorized_cb_ctx,
+					sta->addr, authorized);
+}
+
+
+void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
+		       const u8 *addr, u16 reason)
+{
+
+	if (sta == NULL && addr)
+		sta = ap_get_sta(hapd, addr);
+
+	if (addr)
+		hostapd_drv_sta_deauth(hapd, addr, reason);
+
+	if (sta == NULL)
+		return;
+	ap_sta_set_authorized(hapd, sta, 0);
+	sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
+	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
+	eloop_register_timeout(0, 0, ap_handle_timer, hapd, sta);
+	sta->timeout_next = STA_REMOVE;
+}
diff --git a/src/ap/sta_info.h b/src/ap/sta_info.h
new file mode 100644
index 0000000..9ec4fe3
--- /dev/null
+++ b/src/ap/sta_info.h
@@ -0,0 +1,165 @@
+/*
+ * hostapd / Station table
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef STA_INFO_H
+#define STA_INFO_H
+
+/* STA flags */
+#define WLAN_STA_AUTH BIT(0)
+#define WLAN_STA_ASSOC BIT(1)
+#define WLAN_STA_PS BIT(2)
+#define WLAN_STA_TIM BIT(3)
+#define WLAN_STA_PERM BIT(4)
+#define WLAN_STA_AUTHORIZED BIT(5)
+#define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */
+#define WLAN_STA_SHORT_PREAMBLE BIT(7)
+#define WLAN_STA_PREAUTH BIT(8)
+#define WLAN_STA_WMM BIT(9)
+#define WLAN_STA_MFP BIT(10)
+#define WLAN_STA_HT BIT(11)
+#define WLAN_STA_WPS BIT(12)
+#define WLAN_STA_MAYBE_WPS BIT(13)
+#define WLAN_STA_WDS BIT(14)
+#define WLAN_STA_ASSOC_REQ_OK BIT(15)
+#define WLAN_STA_NONERP BIT(31)
+
+/* Maximum number of supported rates (from both Supported Rates and Extended
+ * Supported Rates IEs). */
+#define WLAN_SUPP_RATES_MAX 32
+
+
+struct sta_info {
+	struct sta_info *next; /* next entry in sta list */
+	struct sta_info *hnext; /* next entry in hash table list */
+	u8 addr[6];
+	u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */
+	u32 flags; /* Bitfield of WLAN_STA_* */
+	u16 capability;
+	u16 listen_interval; /* or beacon_int for APs */
+	u8 supported_rates[WLAN_SUPP_RATES_MAX];
+	int supported_rates_len;
+
+	unsigned int nonerp_set:1;
+	unsigned int no_short_slot_time_set:1;
+	unsigned int no_short_preamble_set:1;
+	unsigned int no_ht_gf_set:1;
+	unsigned int no_ht_set:1;
+	unsigned int ht_20mhz_set:1;
+	unsigned int no_p2p_set:1;
+
+	u16 auth_alg;
+	u8 previous_ap[6];
+
+	enum {
+		STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE
+	} timeout_next;
+
+	/* IEEE 802.1X related data */
+	struct eapol_state_machine *eapol_sm;
+
+	/* IEEE 802.11f (IAPP) related data */
+	struct ieee80211_mgmt *last_assoc_req;
+
+	u32 acct_session_id_hi;
+	u32 acct_session_id_lo;
+	time_t acct_session_start;
+	int acct_session_started;
+	int acct_terminate_cause; /* Acct-Terminate-Cause */
+	int acct_interim_interval; /* Acct-Interim-Interval */
+
+	unsigned long last_rx_bytes;
+	unsigned long last_tx_bytes;
+	u32 acct_input_gigawords; /* Acct-Input-Gigawords */
+	u32 acct_output_gigawords; /* Acct-Output-Gigawords */
+
+	u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */
+
+	struct wpa_state_machine *wpa_sm;
+	struct rsn_preauth_interface *preauth_iface;
+
+	struct hostapd_ssid *ssid; /* SSID selection based on (Re)AssocReq */
+	struct hostapd_ssid *ssid_probe; /* SSID selection based on ProbeReq */
+
+	int vlan_id;
+
+	struct ieee80211_ht_capabilities *ht_capabilities;
+
+#ifdef CONFIG_IEEE80211W
+	int sa_query_count; /* number of pending SA Query requests;
+			     * 0 = no SA Query in progress */
+	int sa_query_timed_out;
+	u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
+				* sa_query_count octets of pending SA Query
+				* transaction identifiers */
+	struct os_time sa_query_start;
+#endif /* CONFIG_IEEE80211W */
+
+	struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */
+	struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */
+};
+
+
+/* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has
+ * passed since last received frame from the station, a nullfunc data frame is
+ * sent to the station. If this frame is not acknowledged and no other frames
+ * have been received, the station will be disassociated after
+ * AP_DISASSOC_DELAY seconds. Similarily, the station will be deauthenticated
+ * after AP_DEAUTH_DELAY seconds has passed after disassociation. */
+#define AP_MAX_INACTIVITY (5 * 60)
+#define AP_DISASSOC_DELAY (1)
+#define AP_DEAUTH_DELAY (1)
+/* Number of seconds to keep STA entry with Authenticated flag after it has
+ * been disassociated. */
+#define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30)
+/* Number of seconds to keep STA entry after it has been deauthenticated. */
+#define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5)
+
+
+struct hostapd_data;
+
+int ap_for_each_sta(struct hostapd_data *hapd,
+		    int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
+			      void *ctx),
+		    void *ctx);
+struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta);
+void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta);
+void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta);
+void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta);
+void hostapd_free_stas(struct hostapd_data *hapd);
+void ap_handle_timer(void *eloop_ctx, void *timeout_ctx);
+void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
+			    u32 session_timeout);
+void ap_sta_no_session_timeout(struct hostapd_data *hapd,
+			       struct sta_info *sta);
+struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr);
+void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
+			 u16 reason);
+void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
+			   u16 reason);
+int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
+		     int old_vlanid);
+void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
+void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
+int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta);
+void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
+		       const u8 *addr, u16 reason);
+
+void ap_sta_set_authorized(struct hostapd_data *hapd,
+			   struct sta_info *sta, int authorized);
+static inline int ap_sta_is_authorized(struct sta_info *sta)
+{
+	return sta->flags & WLAN_STA_AUTHORIZED;
+}
+
+#endif /* STA_INFO_H */
diff --git a/src/ap/tkip_countermeasures.c b/src/ap/tkip_countermeasures.c
new file mode 100644
index 0000000..1925217
--- /dev/null
+++ b/src/ap/tkip_countermeasures.c
@@ -0,0 +1,94 @@
+/*
+ * hostapd / TKIP countermeasures
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "common/ieee802_11_defs.h"
+#include "hostapd.h"
+#include "sta_info.h"
+#include "ap_mlme.h"
+#include "wpa_auth.h"
+#include "ap_drv_ops.h"
+#include "tkip_countermeasures.h"
+
+
+static void ieee80211_tkip_countermeasures_stop(void *eloop_ctx,
+						void *timeout_ctx)
+{
+	struct hostapd_data *hapd = eloop_ctx;
+	hapd->tkip_countermeasures = 0;
+	hostapd_drv_set_countermeasures(hapd, 0);
+	hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_INFO, "TKIP countermeasures ended");
+}
+
+
+static void ieee80211_tkip_countermeasures_start(struct hostapd_data *hapd)
+{
+	struct sta_info *sta;
+
+	hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_INFO, "TKIP countermeasures initiated");
+
+	wpa_auth_countermeasures_start(hapd->wpa_auth);
+	hapd->tkip_countermeasures = 1;
+	hostapd_drv_set_countermeasures(hapd, 1);
+	wpa_gtk_rekey(hapd->wpa_auth);
+	eloop_cancel_timeout(ieee80211_tkip_countermeasures_stop, hapd, NULL);
+	eloop_register_timeout(60, 0, ieee80211_tkip_countermeasures_stop,
+			       hapd, NULL);
+	for (sta = hapd->sta_list; sta != NULL; sta = sta->next) {
+		hostapd_drv_sta_deauth(hapd, sta->addr,
+				       WLAN_REASON_MICHAEL_MIC_FAILURE);
+		ap_sta_set_authorized(hapd, sta, 0);
+		sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
+		hostapd_drv_sta_remove(hapd, sta->addr);
+	}
+}
+
+
+void michael_mic_failure(struct hostapd_data *hapd, const u8 *addr, int local)
+{
+	time_t now;
+
+	if (addr && local) {
+		struct sta_info *sta = ap_get_sta(hapd, addr);
+		if (sta != NULL) {
+			wpa_auth_sta_local_mic_failure_report(sta->wpa_sm);
+			hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
+				       HOSTAPD_LEVEL_INFO,
+				       "Michael MIC failure detected in "
+				       "received frame");
+			mlme_michaelmicfailure_indication(hapd, addr);
+		} else {
+			wpa_printf(MSG_DEBUG,
+				   "MLME-MICHAELMICFAILURE.indication "
+				   "for not associated STA (" MACSTR
+				   ") ignored", MAC2STR(addr));
+			return;
+		}
+	}
+
+	time(&now);
+	if (now > hapd->michael_mic_failure + 60) {
+		hapd->michael_mic_failures = 1;
+	} else {
+		hapd->michael_mic_failures++;
+		if (hapd->michael_mic_failures > 1)
+			ieee80211_tkip_countermeasures_start(hapd);
+	}
+	hapd->michael_mic_failure = now;
+}
diff --git a/src/ap/tkip_countermeasures.h b/src/ap/tkip_countermeasures.h
new file mode 100644
index 0000000..5a1afce
--- /dev/null
+++ b/src/ap/tkip_countermeasures.h
@@ -0,0 +1,20 @@
+/*
+ * hostapd / TKIP countermeasures
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef TKIP_COUNTERMEASURES_H
+#define TKIP_COUNTERMEASURES_H
+
+void michael_mic_failure(struct hostapd_data *hapd, const u8 *addr, int local);
+
+#endif /* TKIP_COUNTERMEASURES_H */
diff --git a/src/ap/utils.c b/src/ap/utils.c
new file mode 100644
index 0000000..0ff48ae
--- /dev/null
+++ b/src/ap/utils.c
@@ -0,0 +1,88 @@
+/*
+ * AP mode helper functions
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "common/ieee802_11_defs.h"
+#include "sta_info.h"
+#include "hostapd.h"
+
+
+int hostapd_register_probereq_cb(struct hostapd_data *hapd,
+				 int (*cb)(void *ctx, const u8 *sa,
+					   const u8 *ie, size_t ie_len),
+				 void *ctx)
+{
+	struct hostapd_probereq_cb *n;
+
+	n = os_realloc(hapd->probereq_cb, (hapd->num_probereq_cb + 1) *
+		       sizeof(struct hostapd_probereq_cb));
+	if (n == NULL)
+		return -1;
+
+	hapd->probereq_cb = n;
+	n = &hapd->probereq_cb[hapd->num_probereq_cb];
+	hapd->num_probereq_cb++;
+
+	n->cb = cb;
+	n->ctx = ctx;
+
+	return 0;
+}
+
+
+struct prune_data {
+	struct hostapd_data *hapd;
+	const u8 *addr;
+};
+
+static int prune_associations(struct hostapd_iface *iface, void *ctx)
+{
+	struct prune_data *data = ctx;
+	struct sta_info *osta;
+	struct hostapd_data *ohapd;
+	size_t j;
+
+	for (j = 0; j < iface->num_bss; j++) {
+		ohapd = iface->bss[j];
+		if (ohapd == data->hapd)
+			continue;
+		osta = ap_get_sta(ohapd, data->addr);
+		if (!osta)
+			continue;
+
+		ap_sta_disassociate(ohapd, osta, WLAN_REASON_UNSPECIFIED);
+	}
+
+	return 0;
+}
+
+/**
+ * hostapd_prune_associations - Remove extraneous associations
+ * @hapd: Pointer to BSS data for the most recent association
+ * @addr: Associated STA address
+ *
+ * This function looks through all radios and BSS's for previous
+ * (stale) associations of STA. If any are found they are removed.
+ */
+void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr)
+{
+	struct prune_data data;
+	data.hapd = hapd;
+	data.addr = addr;
+	if (hapd->iface->for_each_interface)
+		hapd->iface->for_each_interface(hapd->iface->interfaces,
+						prune_associations, &data);
+}
diff --git a/src/ap/vlan_init.c b/src/ap/vlan_init.c
new file mode 100644
index 0000000..f2f766f
--- /dev/null
+++ b/src/ap/vlan_init.c
@@ -0,0 +1,905 @@
+/*
+ * hostapd / VLAN initialization
+ * Copyright 2003, Instant802 Networks, Inc.
+ * Copyright 2005-2006, Devicescape Software, Inc.
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "hostapd.h"
+#include "ap_config.h"
+#include "ap_drv_ops.h"
+#include "vlan_init.h"
+
+
+#ifdef CONFIG_FULL_DYNAMIC_VLAN
+
+#include <net/if.h>
+#include <sys/ioctl.h>
+#include <linux/sockios.h>
+#include <linux/if_vlan.h>
+#include <linux/if_bridge.h>
+
+#include "drivers/priv_netlink.h"
+#include "utils/eloop.h"
+
+
+struct full_dynamic_vlan {
+	int s; /* socket on which to listen for new/removed interfaces. */
+};
+
+
+static int ifconfig_helper(const char *if_name, int up)
+{
+	int fd;
+	struct ifreq ifr;
+
+	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
+			   "failed: %s", __func__, strerror(errno));
+		return -1;
+	}
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, if_name, IFNAMSIZ);
+
+	if (ioctl(fd, SIOCGIFFLAGS, &ifr) != 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: ioctl(SIOCGIFFLAGS) failed "
+			   "for interface %s: %s",
+			   __func__, if_name, strerror(errno));
+		close(fd);
+		return -1;
+	}
+
+	if (up)
+		ifr.ifr_flags |= IFF_UP;
+	else
+		ifr.ifr_flags &= ~IFF_UP;
+
+	if (ioctl(fd, SIOCSIFFLAGS, &ifr) != 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: ioctl(SIOCSIFFLAGS) failed "
+			   "for interface %s (up=%d): %s",
+			   __func__, if_name, up, strerror(errno));
+		close(fd);
+		return -1;
+	}
+
+	close(fd);
+	return 0;
+}
+
+
+static int ifconfig_up(const char *if_name)
+{
+	wpa_printf(MSG_DEBUG, "VLAN: Set interface %s up", if_name);
+	return ifconfig_helper(if_name, 1);
+}
+
+
+static int ifconfig_down(const char *if_name)
+{
+	wpa_printf(MSG_DEBUG, "VLAN: Set interface %s down", if_name);
+	return ifconfig_helper(if_name, 0);
+}
+
+
+/*
+ * These are only available in recent linux headers (without the leading
+ * underscore).
+ */
+#define _GET_VLAN_REALDEV_NAME_CMD	8
+#define _GET_VLAN_VID_CMD		9
+
+/* This value should be 256 ONLY. If it is something else, then hostapd
+ * might crash!, as this value has been hard-coded in 2.4.x kernel
+ * bridging code.
+ */
+#define MAX_BR_PORTS      		256
+
+static int br_delif(const char *br_name, const char *if_name)
+{
+	int fd;
+	struct ifreq ifr;
+	unsigned long args[2];
+	int if_index;
+
+	wpa_printf(MSG_DEBUG, "VLAN: br_delif(%s, %s)", br_name, if_name);
+	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
+			   "failed: %s", __func__, strerror(errno));
+		return -1;
+	}
+
+	if_index = if_nametoindex(if_name);
+
+	if (if_index == 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: Failure determining "
+			   "interface index for '%s'",
+			   __func__, if_name);
+		close(fd);
+		return -1;
+	}
+
+	args[0] = BRCTL_DEL_IF;
+	args[1] = if_index;
+
+	os_strlcpy(ifr.ifr_name, br_name, sizeof(ifr.ifr_name));
+	ifr.ifr_data = (__caddr_t) args;
+
+	if (ioctl(fd, SIOCDEVPRIVATE, &ifr) < 0 && errno != EINVAL) {
+		/* No error if interface already removed. */
+		wpa_printf(MSG_ERROR, "VLAN: %s: ioctl[SIOCDEVPRIVATE,"
+			   "BRCTL_DEL_IF] failed for br_name=%s if_name=%s: "
+			   "%s", __func__, br_name, if_name, strerror(errno));
+		close(fd);
+		return -1;
+	}
+
+	close(fd);
+	return 0;
+}
+
+
+/*
+	Add interface 'if_name' to the bridge 'br_name'
+
+	returns -1 on error
+	returns 1 if the interface is already part of the bridge
+	returns 0 otherwise
+*/
+static int br_addif(const char *br_name, const char *if_name)
+{
+	int fd;
+	struct ifreq ifr;
+	unsigned long args[2];
+	int if_index;
+
+	wpa_printf(MSG_DEBUG, "VLAN: br_addif(%s, %s)", br_name, if_name);
+	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
+			   "failed: %s", __func__, strerror(errno));
+		return -1;
+	}
+
+	if_index = if_nametoindex(if_name);
+
+	if (if_index == 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: Failure determining "
+			   "interface index for '%s'",
+			   __func__, if_name);
+		close(fd);
+		return -1;
+	}
+
+	args[0] = BRCTL_ADD_IF;
+	args[1] = if_index;
+
+	os_strlcpy(ifr.ifr_name, br_name, sizeof(ifr.ifr_name));
+	ifr.ifr_data = (__caddr_t) args;
+
+	if (ioctl(fd, SIOCDEVPRIVATE, &ifr) < 0) {
+		if (errno == EBUSY) {
+			/* The interface is already added. */
+			close(fd);
+			return 1;
+		}
+
+		wpa_printf(MSG_ERROR, "VLAN: %s: ioctl[SIOCDEVPRIVATE,"
+			   "BRCTL_ADD_IF] failed for br_name=%s if_name=%s: "
+			   "%s", __func__, br_name, if_name, strerror(errno));
+		close(fd);
+		return -1;
+	}
+
+	close(fd);
+	return 0;
+}
+
+
+static int br_delbr(const char *br_name)
+{
+	int fd;
+	unsigned long arg[2];
+
+	wpa_printf(MSG_DEBUG, "VLAN: br_delbr(%s)", br_name);
+	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
+			   "failed: %s", __func__, strerror(errno));
+		return -1;
+	}
+
+	arg[0] = BRCTL_DEL_BRIDGE;
+	arg[1] = (unsigned long) br_name;
+
+	if (ioctl(fd, SIOCGIFBR, arg) < 0 && errno != ENXIO) {
+		/* No error if bridge already removed. */
+		wpa_printf(MSG_ERROR, "VLAN: %s: BRCTL_DEL_BRIDGE failed for "
+			   "%s: %s", __func__, br_name, strerror(errno));
+		close(fd);
+		return -1;
+	}
+
+	close(fd);
+	return 0;
+}
+
+
+/*
+	Add a bridge with the name 'br_name'.
+
+	returns -1 on error
+	returns 1 if the bridge already exists
+	returns 0 otherwise
+*/
+static int br_addbr(const char *br_name)
+{
+	int fd;
+	unsigned long arg[4];
+	struct ifreq ifr;
+
+	wpa_printf(MSG_DEBUG, "VLAN: br_addbr(%s)", br_name);
+	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
+			   "failed: %s", __func__, strerror(errno));
+		return -1;
+	}
+
+	arg[0] = BRCTL_ADD_BRIDGE;
+	arg[1] = (unsigned long) br_name;
+
+	if (ioctl(fd, SIOCGIFBR, arg) < 0) {
+ 		if (errno == EEXIST) {
+			/* The bridge is already added. */
+			close(fd);
+			return 1;
+		} else {
+			wpa_printf(MSG_ERROR, "VLAN: %s: BRCTL_ADD_BRIDGE "
+				   "failed for %s: %s",
+				   __func__, br_name, strerror(errno));
+			close(fd);
+			return -1;
+		}
+	}
+
+	/* Decrease forwarding delay to avoid EAPOL timeouts. */
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, br_name, IFNAMSIZ);
+	arg[0] = BRCTL_SET_BRIDGE_FORWARD_DELAY;
+	arg[1] = 1;
+	arg[2] = 0;
+	arg[3] = 0;
+	ifr.ifr_data = (char *) &arg;
+	if (ioctl(fd, SIOCDEVPRIVATE, &ifr) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: "
+			   "BRCTL_SET_BRIDGE_FORWARD_DELAY (1 sec) failed for "
+			   "%s: %s", __func__, br_name, strerror(errno));
+		/* Continue anyway */
+	}
+
+	close(fd);
+	return 0;
+}
+
+
+static int br_getnumports(const char *br_name)
+{
+	int fd;
+	int i;
+	int port_cnt = 0;
+	unsigned long arg[4];
+	int ifindices[MAX_BR_PORTS];
+	struct ifreq ifr;
+
+	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
+			   "failed: %s", __func__, strerror(errno));
+		return -1;
+	}
+
+	arg[0] = BRCTL_GET_PORT_LIST;
+	arg[1] = (unsigned long) ifindices;
+	arg[2] = MAX_BR_PORTS;
+	arg[3] = 0;
+
+	os_memset(ifindices, 0, sizeof(ifindices));
+	os_strlcpy(ifr.ifr_name, br_name, sizeof(ifr.ifr_name));
+	ifr.ifr_data = (__caddr_t) arg;
+
+	if (ioctl(fd, SIOCDEVPRIVATE, &ifr) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: BRCTL_GET_PORT_LIST "
+			   "failed for %s: %s",
+			   __func__, br_name, strerror(errno));
+		close(fd);
+		return -1;
+	}
+
+	for (i = 1; i < MAX_BR_PORTS; i++) {
+		if (ifindices[i] > 0) {
+			port_cnt++;
+		}
+	}
+
+	close(fd);
+	return port_cnt;
+}
+
+
+static int vlan_rem(const char *if_name)
+{
+	int fd;
+	struct vlan_ioctl_args if_request;
+
+	wpa_printf(MSG_DEBUG, "VLAN: vlan_rem(%s)", if_name);
+	if ((os_strlen(if_name) + 1) > sizeof(if_request.device1)) {
+		wpa_printf(MSG_ERROR, "VLAN: Interface name too long: '%s'",
+			   if_name);
+		return -1;
+	}
+
+	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
+			   "failed: %s", __func__, strerror(errno));
+		return -1;
+	}
+
+	os_memset(&if_request, 0, sizeof(if_request));
+
+	os_strlcpy(if_request.device1, if_name, sizeof(if_request.device1));
+	if_request.cmd = DEL_VLAN_CMD;
+
+	if (ioctl(fd, SIOCSIFVLAN, &if_request) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: DEL_VLAN_CMD failed for %s: "
+			   "%s", __func__, if_name, strerror(errno));
+		close(fd);
+		return -1;
+	}
+
+	close(fd);
+	return 0;
+}
+
+
+/*
+	Add a vlan interface with VLAN ID 'vid' and tagged interface
+	'if_name'.
+
+	returns -1 on error
+	returns 1 if the interface already exists
+	returns 0 otherwise
+*/
+static int vlan_add(const char *if_name, int vid)
+{
+	int fd;
+	struct vlan_ioctl_args if_request;
+
+	wpa_printf(MSG_DEBUG, "VLAN: vlan_add(if_name=%s, vid=%d)",
+		   if_name, vid);
+	ifconfig_up(if_name);
+
+	if ((os_strlen(if_name) + 1) > sizeof(if_request.device1)) {
+		wpa_printf(MSG_ERROR, "VLAN: Interface name too long: '%s'",
+			   if_name);
+		return -1;
+	}
+
+	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
+			   "failed: %s", __func__, strerror(errno));
+		return -1;
+	}
+
+	os_memset(&if_request, 0, sizeof(if_request));
+
+	/* Determine if a suitable vlan device already exists. */
+
+	os_snprintf(if_request.device1, sizeof(if_request.device1), "vlan%d",
+		    vid);
+
+	if_request.cmd = _GET_VLAN_VID_CMD;
+
+	if (ioctl(fd, SIOCSIFVLAN, &if_request) == 0) {
+
+		if (if_request.u.VID == vid) {
+			if_request.cmd = _GET_VLAN_REALDEV_NAME_CMD;
+
+			if (ioctl(fd, SIOCSIFVLAN, &if_request) == 0 &&
+			    os_strncmp(if_request.u.device2, if_name,
+				       sizeof(if_request.u.device2)) == 0) {
+				close(fd);
+				wpa_printf(MSG_DEBUG, "VLAN: vlan_add: "
+					   "if_name %s exists already",
+					   if_request.device1);
+				return 1;
+			}
+		}
+	}
+
+	/* A suitable vlan device does not already exist, add one. */
+
+	os_memset(&if_request, 0, sizeof(if_request));
+	os_strlcpy(if_request.device1, if_name, sizeof(if_request.device1));
+	if_request.u.VID = vid;
+	if_request.cmd = ADD_VLAN_CMD;
+
+	if (ioctl(fd, SIOCSIFVLAN, &if_request) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: ADD_VLAN_CMD failed for %s: "
+			   "%s",
+			   __func__, if_request.device1, strerror(errno));
+		close(fd);
+		return -1;
+	}
+
+	close(fd);
+	return 0;
+}
+
+
+static int vlan_set_name_type(unsigned int name_type)
+{
+	int fd;
+	struct vlan_ioctl_args if_request;
+
+	wpa_printf(MSG_DEBUG, "VLAN: vlan_set_name_type(name_type=%u)",
+		   name_type);
+	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
+			   "failed: %s", __func__, strerror(errno));
+		return -1;
+	}
+
+	os_memset(&if_request, 0, sizeof(if_request));
+
+	if_request.u.name_type = name_type;
+	if_request.cmd = SET_VLAN_NAME_TYPE_CMD;
+	if (ioctl(fd, SIOCSIFVLAN, &if_request) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: SET_VLAN_NAME_TYPE_CMD "
+			   "name_type=%u failed: %s",
+			   __func__, name_type, strerror(errno));
+		close(fd);
+		return -1;
+	}
+
+	close(fd);
+	return 0;
+}
+
+
+static void vlan_newlink(char *ifname, struct hostapd_data *hapd)
+{
+	char vlan_ifname[IFNAMSIZ];
+	char br_name[IFNAMSIZ];
+	struct hostapd_vlan *vlan = hapd->conf->vlan;
+	char *tagged_interface = hapd->conf->ssid.vlan_tagged_interface;
+
+	wpa_printf(MSG_DEBUG, "VLAN: vlan_newlink(%s)", ifname);
+
+	while (vlan) {
+		if (os_strcmp(ifname, vlan->ifname) == 0) {
+
+			os_snprintf(br_name, sizeof(br_name), "brvlan%d",
+				    vlan->vlan_id);
+
+			if (!br_addbr(br_name))
+				vlan->clean |= DVLAN_CLEAN_BR;
+
+			ifconfig_up(br_name);
+
+			if (tagged_interface) {
+
+				if (!vlan_add(tagged_interface, vlan->vlan_id))
+					vlan->clean |= DVLAN_CLEAN_VLAN;
+
+				os_snprintf(vlan_ifname, sizeof(vlan_ifname),
+					    "vlan%d", vlan->vlan_id);
+
+				if (!br_addif(br_name, vlan_ifname))
+					vlan->clean |= DVLAN_CLEAN_VLAN_PORT;
+
+				ifconfig_up(vlan_ifname);
+			}
+
+			if (!br_addif(br_name, ifname))
+				vlan->clean |= DVLAN_CLEAN_WLAN_PORT;
+
+			ifconfig_up(ifname);
+
+			break;
+		}
+		vlan = vlan->next;
+	}
+}
+
+
+static void vlan_dellink(char *ifname, struct hostapd_data *hapd)
+{
+	char vlan_ifname[IFNAMSIZ];
+	char br_name[IFNAMSIZ];
+	struct hostapd_vlan *first, *prev, *vlan = hapd->conf->vlan;
+	char *tagged_interface = hapd->conf->ssid.vlan_tagged_interface;
+
+	wpa_printf(MSG_DEBUG, "VLAN: vlan_dellink(%s)", ifname);
+
+	first = prev = vlan;
+
+	while (vlan) {
+		if (os_strcmp(ifname, vlan->ifname) == 0) {
+			os_snprintf(br_name, sizeof(br_name), "brvlan%d",
+				    vlan->vlan_id);
+
+			if (vlan->clean & DVLAN_CLEAN_WLAN_PORT)
+				br_delif(br_name, vlan->ifname);
+
+			if (tagged_interface) {
+				os_snprintf(vlan_ifname, sizeof(vlan_ifname),
+					    "vlan%d", vlan->vlan_id);
+				if (vlan->clean & DVLAN_CLEAN_VLAN_PORT)
+					br_delif(br_name, vlan_ifname);
+				ifconfig_down(vlan_ifname);
+
+				if (vlan->clean & DVLAN_CLEAN_VLAN)
+					vlan_rem(vlan_ifname);
+			}
+
+			if ((vlan->clean & DVLAN_CLEAN_BR) &&
+			    br_getnumports(br_name) == 0) {
+				ifconfig_down(br_name);
+				br_delbr(br_name);
+			}
+
+			if (vlan == first) {
+				hapd->conf->vlan = vlan->next;
+			} else {
+				prev->next = vlan->next;
+			}
+			os_free(vlan);
+
+			break;
+		}
+		prev = vlan;
+		vlan = vlan->next;
+	}
+}
+
+
+static void
+vlan_read_ifnames(struct nlmsghdr *h, size_t len, int del,
+		  struct hostapd_data *hapd)
+{
+	struct ifinfomsg *ifi;
+	int attrlen, nlmsg_len, rta_len;
+	struct rtattr *attr;
+
+	if (len < sizeof(*ifi))
+		return;
+
+	ifi = NLMSG_DATA(h);
+
+	nlmsg_len = NLMSG_ALIGN(sizeof(struct ifinfomsg));
+
+	attrlen = h->nlmsg_len - nlmsg_len;
+	if (attrlen < 0)
+		return;
+
+	attr = (struct rtattr *) (((char *) ifi) + nlmsg_len);
+
+	rta_len = RTA_ALIGN(sizeof(struct rtattr));
+	while (RTA_OK(attr, attrlen)) {
+		char ifname[IFNAMSIZ + 1];
+
+		if (attr->rta_type == IFLA_IFNAME) {
+			int n = attr->rta_len - rta_len;
+			if (n < 0)
+				break;
+
+			os_memset(ifname, 0, sizeof(ifname));
+
+			if ((size_t) n > sizeof(ifname))
+				n = sizeof(ifname);
+			os_memcpy(ifname, ((char *) attr) + rta_len, n);
+
+			if (del)
+				vlan_dellink(ifname, hapd);
+			else
+				vlan_newlink(ifname, hapd);
+		}
+
+		attr = RTA_NEXT(attr, attrlen);
+	}
+}
+
+
+static void vlan_event_receive(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	char buf[8192];
+	int left;
+	struct sockaddr_nl from;
+	socklen_t fromlen;
+	struct nlmsghdr *h;
+	struct hostapd_data *hapd = eloop_ctx;
+
+	fromlen = sizeof(from);
+	left = recvfrom(sock, buf, sizeof(buf), MSG_DONTWAIT,
+			(struct sockaddr *) &from, &fromlen);
+	if (left < 0) {
+		if (errno != EINTR && errno != EAGAIN)
+			wpa_printf(MSG_ERROR, "VLAN: %s: recvfrom failed: %s",
+				   __func__, strerror(errno));
+		return;
+	}
+
+	h = (struct nlmsghdr *) buf;
+	while (left >= (int) sizeof(*h)) {
+		int len, plen;
+
+		len = h->nlmsg_len;
+		plen = len - sizeof(*h);
+		if (len > left || plen < 0) {
+			wpa_printf(MSG_DEBUG, "VLAN: Malformed netlink "
+				   "message: len=%d left=%d plen=%d",
+				   len, left, plen);
+			break;
+		}
+
+		switch (h->nlmsg_type) {
+		case RTM_NEWLINK:
+			vlan_read_ifnames(h, plen, 0, hapd);
+			break;
+		case RTM_DELLINK:
+			vlan_read_ifnames(h, plen, 1, hapd);
+			break;
+		}
+
+		len = NLMSG_ALIGN(len);
+		left -= len;
+		h = (struct nlmsghdr *) ((char *) h + len);
+	}
+
+	if (left > 0) {
+		wpa_printf(MSG_DEBUG, "VLAN: %s: %d extra bytes in the end of "
+			   "netlink message", __func__, left);
+	}
+}
+
+
+static struct full_dynamic_vlan *
+full_dynamic_vlan_init(struct hostapd_data *hapd)
+{
+	struct sockaddr_nl local;
+	struct full_dynamic_vlan *priv;
+
+	priv = os_zalloc(sizeof(*priv));
+	if (priv == NULL)
+		return NULL;
+
+	vlan_set_name_type(VLAN_NAME_TYPE_PLUS_VID_NO_PAD);
+
+	priv->s = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
+	if (priv->s < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: socket(PF_NETLINK,SOCK_RAW,"
+			   "NETLINK_ROUTE) failed: %s",
+			   __func__, strerror(errno));
+		os_free(priv);
+		return NULL;
+	}
+
+	os_memset(&local, 0, sizeof(local));
+	local.nl_family = AF_NETLINK;
+	local.nl_groups = RTMGRP_LINK;
+	if (bind(priv->s, (struct sockaddr *) &local, sizeof(local)) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: bind(netlink) failed: %s",
+			   __func__, strerror(errno));
+		close(priv->s);
+		os_free(priv);
+		return NULL;
+	}
+
+	if (eloop_register_read_sock(priv->s, vlan_event_receive, hapd, NULL))
+	{
+		close(priv->s);
+		os_free(priv);
+		return NULL;
+	}
+
+	return priv;
+}
+
+
+static void full_dynamic_vlan_deinit(struct full_dynamic_vlan *priv)
+{
+	if (priv == NULL)
+		return;
+	eloop_unregister_read_sock(priv->s);
+	close(priv->s);
+	os_free(priv);
+}
+#endif /* CONFIG_FULL_DYNAMIC_VLAN */
+
+
+int vlan_setup_encryption_dyn(struct hostapd_data *hapd,
+			      struct hostapd_ssid *mssid, const char *dyn_vlan)
+{
+        int i;
+
+        if (dyn_vlan == NULL)
+		return 0;
+
+	/* Static WEP keys are set here; IEEE 802.1X and WPA uses their own
+	 * functions for setting up dynamic broadcast keys. */
+	for (i = 0; i < 4; i++) {
+		if (mssid->wep.key[i] &&
+		    hostapd_drv_set_key(dyn_vlan, hapd, WPA_ALG_WEP, NULL, i,
+					i == mssid->wep.idx, NULL, 0,
+					mssid->wep.key[i], mssid->wep.len[i]))
+		{
+			wpa_printf(MSG_ERROR, "VLAN: Could not set WEP "
+				   "encryption for dynamic VLAN");
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+
+static int vlan_dynamic_add(struct hostapd_data *hapd,
+			    struct hostapd_vlan *vlan)
+{
+	while (vlan) {
+		if (vlan->vlan_id != VLAN_ID_WILDCARD) {
+			if (hostapd_vlan_if_add(hapd, vlan->ifname)) {
+				if (errno != EEXIST) {
+					wpa_printf(MSG_ERROR, "VLAN: Could "
+						   "not add VLAN %s: %s",
+						   vlan->ifname,
+						   strerror(errno));
+					return -1;
+				}
+			}
+#ifdef CONFIG_FULL_DYNAMIC_VLAN
+			ifconfig_up(vlan->ifname);
+#endif /* CONFIG_FULL_DYNAMIC_VLAN */
+		}
+
+		vlan = vlan->next;
+	}
+
+	return 0;
+}
+
+
+static void vlan_dynamic_remove(struct hostapd_data *hapd,
+				struct hostapd_vlan *vlan)
+{
+	struct hostapd_vlan *next;
+
+	while (vlan) {
+		next = vlan->next;
+
+		if (vlan->vlan_id != VLAN_ID_WILDCARD &&
+		    hostapd_vlan_if_remove(hapd, vlan->ifname)) {
+			wpa_printf(MSG_ERROR, "VLAN: Could not remove VLAN "
+				   "iface: %s: %s",
+				   vlan->ifname, strerror(errno));
+		}
+#ifdef CONFIG_FULL_DYNAMIC_VLAN
+		if (vlan->clean)
+			vlan_dellink(vlan->ifname, hapd);
+#endif /* CONFIG_FULL_DYNAMIC_VLAN */
+
+		vlan = next;
+	}
+}
+
+
+int vlan_init(struct hostapd_data *hapd)
+{
+#ifdef CONFIG_FULL_DYNAMIC_VLAN
+	hapd->full_dynamic_vlan = full_dynamic_vlan_init(hapd);
+#endif /* CONFIG_FULL_DYNAMIC_VLAN */
+
+	if (vlan_dynamic_add(hapd, hapd->conf->vlan))
+		return -1;
+
+        return 0;
+}
+
+
+void vlan_deinit(struct hostapd_data *hapd)
+{
+	vlan_dynamic_remove(hapd, hapd->conf->vlan);
+
+#ifdef CONFIG_FULL_DYNAMIC_VLAN
+	full_dynamic_vlan_deinit(hapd->full_dynamic_vlan);
+#endif /* CONFIG_FULL_DYNAMIC_VLAN */
+}
+
+
+struct hostapd_vlan * vlan_add_dynamic(struct hostapd_data *hapd,
+				       struct hostapd_vlan *vlan,
+				       int vlan_id)
+{
+	struct hostapd_vlan *n;
+	char *ifname, *pos;
+
+	if (vlan == NULL || vlan_id <= 0 || vlan_id > MAX_VLAN_ID ||
+	    vlan->vlan_id != VLAN_ID_WILDCARD)
+		return NULL;
+
+	wpa_printf(MSG_DEBUG, "VLAN: %s(vlan_id=%d ifname=%s)",
+		   __func__, vlan_id, vlan->ifname);
+	ifname = os_strdup(vlan->ifname);
+	if (ifname == NULL)
+		return NULL;
+	pos = os_strchr(ifname, '#');
+	if (pos == NULL) {
+		os_free(ifname);
+		return NULL;
+	}
+	*pos++ = '\0';
+
+	n = os_zalloc(sizeof(*n));
+	if (n == NULL) {
+		os_free(ifname);
+		return NULL;
+	}
+
+	n->vlan_id = vlan_id;
+	n->dynamic_vlan = 1;
+
+	os_snprintf(n->ifname, sizeof(n->ifname), "%s%d%s", ifname, vlan_id,
+		    pos);
+	os_free(ifname);
+
+	if (hostapd_vlan_if_add(hapd, n->ifname)) {
+		os_free(n);
+		return NULL;
+	}
+
+	n->next = hapd->conf->vlan;
+	hapd->conf->vlan = n;
+
+#ifdef CONFIG_FULL_DYNAMIC_VLAN
+	ifconfig_up(n->ifname);
+#endif /* CONFIG_FULL_DYNAMIC_VLAN */
+
+	return n;
+}
+
+
+int vlan_remove_dynamic(struct hostapd_data *hapd, int vlan_id)
+{
+	struct hostapd_vlan *vlan;
+
+	if (vlan_id <= 0 || vlan_id > MAX_VLAN_ID)
+		return 1;
+
+	wpa_printf(MSG_DEBUG, "VLAN: %s(vlan_id=%d)", __func__, vlan_id);
+
+	vlan = hapd->conf->vlan;
+	while (vlan) {
+		if (vlan->vlan_id == vlan_id && vlan->dynamic_vlan > 0) {
+			vlan->dynamic_vlan--;
+			break;
+		}
+		vlan = vlan->next;
+	}
+
+	if (vlan == NULL)
+		return 1;
+
+	if (vlan->dynamic_vlan == 0)
+		hostapd_vlan_if_remove(hapd, vlan->ifname);
+
+	return 0;
+}
diff --git a/src/ap/vlan_init.h b/src/ap/vlan_init.h
new file mode 100644
index 0000000..382d5de
--- /dev/null
+++ b/src/ap/vlan_init.h
@@ -0,0 +1,59 @@
+/*
+ * hostapd / VLAN initialization
+ * Copyright 2003, Instant802 Networks, Inc.
+ * Copyright 2005, Devicescape Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef VLAN_INIT_H
+#define VLAN_INIT_H
+
+#ifndef CONFIG_NO_VLAN
+int vlan_init(struct hostapd_data *hapd);
+void vlan_deinit(struct hostapd_data *hapd);
+struct hostapd_vlan * vlan_add_dynamic(struct hostapd_data *hapd,
+				       struct hostapd_vlan *vlan,
+				       int vlan_id);
+int vlan_remove_dynamic(struct hostapd_data *hapd, int vlan_id);
+int vlan_setup_encryption_dyn(struct hostapd_data *hapd,
+			      struct hostapd_ssid *mssid,
+			      const char *dyn_vlan);
+#else /* CONFIG_NO_VLAN */
+static inline int vlan_init(struct hostapd_data *hapd)
+{
+	return 0;
+}
+
+static inline void vlan_deinit(struct hostapd_data *hapd)
+{
+}
+
+static inline struct hostapd_vlan * vlan_add_dynamic(struct hostapd_data *hapd,
+						     struct hostapd_vlan *vlan,
+						     int vlan_id)
+{
+	return NULL;
+}
+
+static inline int vlan_remove_dynamic(struct hostapd_data *hapd, int vlan_id)
+{
+	return -1;
+}
+
+static inline int vlan_setup_encryption_dyn(struct hostapd_data *hapd,
+					    struct hostapd_ssid *mssid,
+					    const char *dyn_vlan)
+{
+	return -1;
+}
+#endif /* CONFIG_NO_VLAN */
+
+#endif /* VLAN_INIT_H */
diff --git a/src/ap/wmm.c b/src/ap/wmm.c
new file mode 100644
index 0000000..a6d9b89
--- /dev/null
+++ b/src/ap/wmm.c
@@ -0,0 +1,327 @@
+/*
+ * hostapd / WMM (Wi-Fi Multimedia)
+ * Copyright 2002-2003, Instant802 Networks, Inc.
+ * Copyright 2005-2006, Devicescape Software, Inc.
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
+#include "hostapd.h"
+#include "ieee802_11.h"
+#include "sta_info.h"
+#include "ap_config.h"
+#include "ap_drv_ops.h"
+#include "wmm.h"
+
+
+/* TODO: maintain separate sequence and fragment numbers for each AC
+ * TODO: IGMP snooping to track which multicasts to forward - and use QOS-DATA
+ * if only WMM stations are receiving a certain group */
+
+
+static inline u8 wmm_aci_aifsn(int aifsn, int acm, int aci)
+{
+	u8 ret;
+	ret = (aifsn << WMM_AC_AIFNS_SHIFT) & WMM_AC_AIFSN_MASK;
+	if (acm)
+		ret |= WMM_AC_ACM;
+	ret |= (aci << WMM_AC_ACI_SHIFT) & WMM_AC_ACI_MASK;
+	return ret;
+}
+
+
+static inline u8 wmm_ecw(int ecwmin, int ecwmax)
+{
+	return ((ecwmin << WMM_AC_ECWMIN_SHIFT) & WMM_AC_ECWMIN_MASK) |
+		((ecwmax << WMM_AC_ECWMAX_SHIFT) & WMM_AC_ECWMAX_MASK);
+}
+
+
+/*
+ * Add WMM Parameter Element to Beacon, Probe Response, and (Re)Association
+ * Response frames.
+ */
+u8 * hostapd_eid_wmm(struct hostapd_data *hapd, u8 *eid)
+{
+	u8 *pos = eid;
+	struct wmm_parameter_element *wmm =
+		(struct wmm_parameter_element *) (pos + 2);
+	int e;
+
+	if (!hapd->conf->wmm_enabled)
+		return eid;
+	eid[0] = WLAN_EID_VENDOR_SPECIFIC;
+	wmm->oui[0] = 0x00;
+	wmm->oui[1] = 0x50;
+	wmm->oui[2] = 0xf2;
+	wmm->oui_type = WMM_OUI_TYPE;
+	wmm->oui_subtype = WMM_OUI_SUBTYPE_PARAMETER_ELEMENT;
+	wmm->version = WMM_VERSION;
+	wmm->qos_info = hapd->parameter_set_count & 0xf;
+
+	if (hapd->conf->wmm_uapsd)
+		wmm->qos_info |= 0x80;
+
+	wmm->reserved = 0;
+
+	/* fill in a parameter set record for each AC */
+	for (e = 0; e < 4; e++) {
+		struct wmm_ac_parameter *ac = &wmm->ac[e];
+		struct hostapd_wmm_ac_params *acp =
+			&hapd->iconf->wmm_ac_params[e];
+
+		ac->aci_aifsn = wmm_aci_aifsn(acp->aifs,
+					      acp->admission_control_mandatory,
+					      e);
+		ac->cw = wmm_ecw(acp->cwmin, acp->cwmax);
+		ac->txop_limit = host_to_le16(acp->txop_limit);
+	}
+
+	pos = (u8 *) (wmm + 1);
+	eid[1] = pos - eid - 2; /* element length */
+
+	return pos;
+}
+
+
+/* This function is called when a station sends an association request with
+ * WMM info element. The function returns zero on success or non-zero on any
+ * error in WMM element. eid does not include Element ID and Length octets. */
+int hostapd_eid_wmm_valid(struct hostapd_data *hapd, const u8 *eid, size_t len)
+{
+	struct wmm_information_element *wmm;
+
+	wpa_hexdump(MSG_MSGDUMP, "WMM IE", eid, len);
+
+	if (len < sizeof(struct wmm_information_element)) {
+		wpa_printf(MSG_DEBUG, "Too short WMM IE (len=%lu)",
+			   (unsigned long) len);
+		return -1;
+	}
+
+	wmm = (struct wmm_information_element *) eid;
+	wpa_printf(MSG_DEBUG, "Validating WMM IE: OUI %02x:%02x:%02x  "
+		   "OUI type %d  OUI sub-type %d  version %d  QoS info 0x%x",
+		   wmm->oui[0], wmm->oui[1], wmm->oui[2], wmm->oui_type,
+		   wmm->oui_subtype, wmm->version, wmm->qos_info);
+	if (wmm->oui_subtype != WMM_OUI_SUBTYPE_INFORMATION_ELEMENT ||
+	    wmm->version != WMM_VERSION) {
+		wpa_printf(MSG_DEBUG, "Unsupported WMM IE Subtype/Version");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static void wmm_send_action(struct hostapd_data *hapd, const u8 *addr,
+			    const struct wmm_tspec_element *tspec,
+			    u8 action_code, u8 dialogue_token, u8 status_code)
+{
+	u8 buf[256];
+	struct ieee80211_mgmt *m = (struct ieee80211_mgmt *) buf;
+	struct wmm_tspec_element *t = (struct wmm_tspec_element *)
+		m->u.action.u.wmm_action.variable;
+	int len;
+
+	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_DEBUG,
+		       "action response - reason %d", status_code);
+	os_memset(buf, 0, sizeof(buf));
+	m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
+					WLAN_FC_STYPE_ACTION);
+	os_memcpy(m->da, addr, ETH_ALEN);
+	os_memcpy(m->sa, hapd->own_addr, ETH_ALEN);
+	os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN);
+	m->u.action.category = WLAN_ACTION_WMM;
+	m->u.action.u.wmm_action.action_code = action_code;
+	m->u.action.u.wmm_action.dialog_token = dialogue_token;
+	m->u.action.u.wmm_action.status_code = status_code;
+	os_memcpy(t, tspec, sizeof(struct wmm_tspec_element));
+	len = ((u8 *) (t + 1)) - buf;
+
+	if (hostapd_drv_send_mlme(hapd, m, len) < 0)
+		perror("wmm_send_action: send");
+}
+
+
+int wmm_process_tspec(struct wmm_tspec_element *tspec)
+{
+	int medium_time, pps, duration;
+	int up, psb, dir, tid;
+	u16 val, surplus;
+
+	up = (tspec->ts_info[1] >> 3) & 0x07;
+	psb = (tspec->ts_info[1] >> 2) & 0x01;
+	dir = (tspec->ts_info[0] >> 5) & 0x03;
+	tid = (tspec->ts_info[0] >> 1) & 0x0f;
+	wpa_printf(MSG_DEBUG, "WMM: TS Info: UP=%d PSB=%d Direction=%d TID=%d",
+		   up, psb, dir, tid);
+	val = le_to_host16(tspec->nominal_msdu_size);
+	wpa_printf(MSG_DEBUG, "WMM: Nominal MSDU Size: %d%s",
+		   val & 0x7fff, val & 0x8000 ? " (fixed)" : "");
+	wpa_printf(MSG_DEBUG, "WMM: Mean Data Rate: %u bps",
+		   le_to_host32(tspec->mean_data_rate));
+	wpa_printf(MSG_DEBUG, "WMM: Minimum PHY Rate: %u bps",
+		   le_to_host32(tspec->minimum_phy_rate));
+	val = le_to_host16(tspec->surplus_bandwidth_allowance);
+	wpa_printf(MSG_DEBUG, "WMM: Surplus Bandwidth Allowance: %u.%04u",
+		   val >> 13, 10000 * (val & 0x1fff) / 0x2000);
+
+	val = le_to_host16(tspec->nominal_msdu_size);
+	if (val == 0) {
+		wpa_printf(MSG_DEBUG, "WMM: Invalid Nominal MSDU Size (0)");
+		return WMM_ADDTS_STATUS_INVALID_PARAMETERS;
+	}
+	/* pps = Ceiling((Mean Data Rate / 8) / Nominal MSDU Size) */
+	pps = ((le_to_host32(tspec->mean_data_rate) / 8) + val - 1) / val;
+	wpa_printf(MSG_DEBUG, "WMM: Packets-per-second estimate for TSPEC: %d",
+		   pps);
+
+	if (le_to_host32(tspec->minimum_phy_rate) < 1000000) {
+		wpa_printf(MSG_DEBUG, "WMM: Too small Minimum PHY Rate");
+		return WMM_ADDTS_STATUS_INVALID_PARAMETERS;
+	}
+
+	duration = (le_to_host16(tspec->nominal_msdu_size) & 0x7fff) * 8 /
+		(le_to_host32(tspec->minimum_phy_rate) / 1000000) +
+		50 /* FIX: proper SIFS + ACK duration */;
+
+	/* unsigned binary number with an implicit binary point after the
+	 * leftmost 3 bits, i.e., 0x2000 = 1.0 */
+	surplus = le_to_host16(tspec->surplus_bandwidth_allowance);
+	if (surplus <= 0x2000) {
+		wpa_printf(MSG_DEBUG, "WMM: Surplus Bandwidth Allowance not "
+			   "greater than unity");
+		return WMM_ADDTS_STATUS_INVALID_PARAMETERS;
+	}
+
+	medium_time = surplus * pps * duration / 0x2000;
+	wpa_printf(MSG_DEBUG, "WMM: Estimated medium time: %u", medium_time);
+
+	/*
+	 * TODO: store list of granted (and still active) TSPECs and check
+	 * whether there is available medium time for this request. For now,
+	 * just refuse requests that would by themselves take very large
+	 * portion of the available bandwidth.
+	 */
+	if (medium_time > 750000) {
+		wpa_printf(MSG_DEBUG, "WMM: Refuse TSPEC request for over "
+			   "75%% of available bandwidth");
+		return WMM_ADDTS_STATUS_REFUSED;
+	}
+
+	/* Convert to 32 microseconds per second unit */
+	tspec->medium_time = host_to_le16(medium_time / 32);
+
+	return WMM_ADDTS_STATUS_ADMISSION_ACCEPTED;
+}
+
+
+static void wmm_addts_req(struct hostapd_data *hapd,
+			  const struct ieee80211_mgmt *mgmt,
+			  struct wmm_tspec_element *tspec, size_t len)
+{
+	const u8 *end = ((const u8 *) mgmt) + len;
+	int res;
+
+	if ((const u8 *) (tspec + 1) > end) {
+		wpa_printf(MSG_DEBUG, "WMM: TSPEC overflow in ADDTS Request");
+		return;
+	}
+
+	wpa_printf(MSG_DEBUG, "WMM: ADDTS Request (Dialog Token %d) for TSPEC "
+		   "from " MACSTR,
+		   mgmt->u.action.u.wmm_action.dialog_token,
+		   MAC2STR(mgmt->sa));
+
+	res = wmm_process_tspec(tspec);
+	wpa_printf(MSG_DEBUG, "WMM: ADDTS processing result: %d", res);
+
+	wmm_send_action(hapd, mgmt->sa, tspec, WMM_ACTION_CODE_ADDTS_RESP,
+			mgmt->u.action.u.wmm_action.dialog_token, res);
+}
+
+
+void hostapd_wmm_action(struct hostapd_data *hapd,
+			const struct ieee80211_mgmt *mgmt, size_t len)
+{
+	int action_code;
+	int left = len - IEEE80211_HDRLEN - 4;
+	const u8 *pos = ((const u8 *) mgmt) + IEEE80211_HDRLEN + 4;
+	struct ieee802_11_elems elems;
+	struct sta_info *sta = ap_get_sta(hapd, mgmt->sa);
+
+	/* check that the request comes from a valid station */
+	if (!sta ||
+	    (sta->flags & (WLAN_STA_ASSOC | WLAN_STA_WMM)) !=
+	    (WLAN_STA_ASSOC | WLAN_STA_WMM)) {
+		hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_DEBUG,
+			       "wmm action received is not from associated wmm"
+			       " station");
+		/* TODO: respond with action frame refused status code */
+		return;
+	}
+
+	/* extract the tspec info element */
+	if (ieee802_11_parse_elems(pos, left, &elems, 1) == ParseFailed) {
+		hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_DEBUG,
+			       "hostapd_wmm_action - could not parse wmm "
+			       "action");
+		/* TODO: respond with action frame invalid parameters status
+		 * code */
+		return;
+	}
+
+	if (!elems.wmm_tspec ||
+	    elems.wmm_tspec_len != (sizeof(struct wmm_tspec_element) - 2)) {
+		hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_DEBUG,
+			       "hostapd_wmm_action - missing or wrong length "
+			       "tspec");
+		/* TODO: respond with action frame invalid parameters status
+		 * code */
+		return;
+	}
+
+	/* TODO: check the request is for an AC with ACM set, if not, refuse
+	 * request */
+
+	action_code = mgmt->u.action.u.wmm_action.action_code;
+	switch (action_code) {
+	case WMM_ACTION_CODE_ADDTS_REQ:
+		wmm_addts_req(hapd, mgmt, (struct wmm_tspec_element *)
+			      (elems.wmm_tspec - 2), len);
+		return;
+#if 0
+	/* TODO: needed for client implementation */
+	case WMM_ACTION_CODE_ADDTS_RESP:
+		wmm_setup_request(hapd, mgmt, len);
+		return;
+	/* TODO: handle station teardown requests */
+	case WMM_ACTION_CODE_DELTS:
+		wmm_teardown(hapd, mgmt, len);
+		return;
+#endif
+	}
+
+	hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_DEBUG,
+		       "hostapd_wmm_action - unknown action code %d",
+		       action_code);
+}
diff --git a/src/ap/wmm.h b/src/ap/wmm.h
new file mode 100644
index 0000000..96b04e8
--- /dev/null
+++ b/src/ap/wmm.h
@@ -0,0 +1,29 @@
+/*
+ * hostapd / WMM (Wi-Fi Multimedia)
+ * Copyright 2002-2003, Instant802 Networks, Inc.
+ * Copyright 2005-2006, Devicescape Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef WME_H
+#define WME_H
+
+struct ieee80211_mgmt;
+struct wmm_tspec_element;
+
+u8 * hostapd_eid_wmm(struct hostapd_data *hapd, u8 *eid);
+int hostapd_eid_wmm_valid(struct hostapd_data *hapd, const u8 *eid,
+			  size_t len);
+void hostapd_wmm_action(struct hostapd_data *hapd,
+			const struct ieee80211_mgmt *mgmt, size_t len);
+int wmm_process_tspec(struct wmm_tspec_element *tspec);
+
+#endif /* WME_H */
diff --git a/src/ap/wpa_auth.c b/src/ap/wpa_auth.c
new file mode 100644
index 0000000..cfb2cad
--- /dev/null
+++ b/src/ap/wpa_auth.c
@@ -0,0 +1,2838 @@
+/*
+ * hostapd - IEEE 802.11i-2004 / WPA Authenticator
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "utils/state_machine.h"
+#include "common/ieee802_11_defs.h"
+#include "crypto/aes_wrap.h"
+#include "crypto/crypto.h"
+#include "crypto/sha1.h"
+#include "crypto/sha256.h"
+#include "crypto/random.h"
+#include "eapol_auth/eapol_auth_sm.h"
+#include "ap_config.h"
+#include "ieee802_11.h"
+#include "wpa_auth.h"
+#include "pmksa_cache_auth.h"
+#include "wpa_auth_i.h"
+#include "wpa_auth_ie.h"
+
+#define STATE_MACHINE_DATA struct wpa_state_machine
+#define STATE_MACHINE_DEBUG_PREFIX "WPA"
+#define STATE_MACHINE_ADDR sm->addr
+
+
+static void wpa_send_eapol_timeout(void *eloop_ctx, void *timeout_ctx);
+static int wpa_sm_step(struct wpa_state_machine *sm);
+static int wpa_verify_key_mic(struct wpa_ptk *PTK, u8 *data, size_t data_len);
+static void wpa_sm_call_step(void *eloop_ctx, void *timeout_ctx);
+static void wpa_group_sm_step(struct wpa_authenticator *wpa_auth,
+			      struct wpa_group *group);
+static void wpa_request_new_ptk(struct wpa_state_machine *sm);
+static int wpa_gtk_update(struct wpa_authenticator *wpa_auth,
+			  struct wpa_group *group);
+static int wpa_group_config_group_keys(struct wpa_authenticator *wpa_auth,
+				       struct wpa_group *group);
+
+static const u32 dot11RSNAConfigGroupUpdateCount = 4;
+static const u32 dot11RSNAConfigPairwiseUpdateCount = 4;
+static const u32 eapol_key_timeout_first = 100; /* ms */
+static const u32 eapol_key_timeout_subseq = 1000; /* ms */
+
+/* TODO: make these configurable */
+static const int dot11RSNAConfigPMKLifetime = 43200;
+static const int dot11RSNAConfigPMKReauthThreshold = 70;
+static const int dot11RSNAConfigSATimeout = 60;
+
+
+static inline void wpa_auth_mic_failure_report(
+	struct wpa_authenticator *wpa_auth, const u8 *addr)
+{
+	if (wpa_auth->cb.mic_failure_report)
+		wpa_auth->cb.mic_failure_report(wpa_auth->cb.ctx, addr);
+}
+
+
+static inline void wpa_auth_set_eapol(struct wpa_authenticator *wpa_auth,
+				      const u8 *addr, wpa_eapol_variable var,
+				      int value)
+{
+	if (wpa_auth->cb.set_eapol)
+		wpa_auth->cb.set_eapol(wpa_auth->cb.ctx, addr, var, value);
+}
+
+
+static inline int wpa_auth_get_eapol(struct wpa_authenticator *wpa_auth,
+				     const u8 *addr, wpa_eapol_variable var)
+{
+	if (wpa_auth->cb.get_eapol == NULL)
+		return -1;
+	return wpa_auth->cb.get_eapol(wpa_auth->cb.ctx, addr, var);
+}
+
+
+static inline const u8 * wpa_auth_get_psk(struct wpa_authenticator *wpa_auth,
+					  const u8 *addr, const u8 *prev_psk)
+{
+	if (wpa_auth->cb.get_psk == NULL)
+		return NULL;
+	return wpa_auth->cb.get_psk(wpa_auth->cb.ctx, addr, prev_psk);
+}
+
+
+static inline int wpa_auth_get_msk(struct wpa_authenticator *wpa_auth,
+				   const u8 *addr, u8 *msk, size_t *len)
+{
+	if (wpa_auth->cb.get_msk == NULL)
+		return -1;
+	return wpa_auth->cb.get_msk(wpa_auth->cb.ctx, addr, msk, len);
+}
+
+
+static inline int wpa_auth_set_key(struct wpa_authenticator *wpa_auth,
+				   int vlan_id,
+				   enum wpa_alg alg, const u8 *addr, int idx,
+				   u8 *key, size_t key_len)
+{
+	if (wpa_auth->cb.set_key == NULL)
+		return -1;
+	return wpa_auth->cb.set_key(wpa_auth->cb.ctx, vlan_id, alg, addr, idx,
+				    key, key_len);
+}
+
+
+static inline int wpa_auth_get_seqnum(struct wpa_authenticator *wpa_auth,
+				      const u8 *addr, int idx, u8 *seq)
+{
+	if (wpa_auth->cb.get_seqnum == NULL)
+		return -1;
+	return wpa_auth->cb.get_seqnum(wpa_auth->cb.ctx, addr, idx, seq);
+}
+
+
+static inline int
+wpa_auth_send_eapol(struct wpa_authenticator *wpa_auth, const u8 *addr,
+		    const u8 *data, size_t data_len, int encrypt)
+{
+	if (wpa_auth->cb.send_eapol == NULL)
+		return -1;
+	return wpa_auth->cb.send_eapol(wpa_auth->cb.ctx, addr, data, data_len,
+				       encrypt);
+}
+
+
+int wpa_auth_for_each_sta(struct wpa_authenticator *wpa_auth,
+			  int (*cb)(struct wpa_state_machine *sm, void *ctx),
+			  void *cb_ctx)
+{
+	if (wpa_auth->cb.for_each_sta == NULL)
+		return 0;
+	return wpa_auth->cb.for_each_sta(wpa_auth->cb.ctx, cb, cb_ctx);
+}
+
+
+int wpa_auth_for_each_auth(struct wpa_authenticator *wpa_auth,
+			   int (*cb)(struct wpa_authenticator *a, void *ctx),
+			   void *cb_ctx)
+{
+	if (wpa_auth->cb.for_each_auth == NULL)
+		return 0;
+	return wpa_auth->cb.for_each_auth(wpa_auth->cb.ctx, cb, cb_ctx);
+}
+
+
+void wpa_auth_logger(struct wpa_authenticator *wpa_auth, const u8 *addr,
+		     logger_level level, const char *txt)
+{
+	if (wpa_auth->cb.logger == NULL)
+		return;
+	wpa_auth->cb.logger(wpa_auth->cb.ctx, addr, level, txt);
+}
+
+
+void wpa_auth_vlogger(struct wpa_authenticator *wpa_auth, const u8 *addr,
+		      logger_level level, const char *fmt, ...)
+{
+	char *format;
+	int maxlen;
+	va_list ap;
+
+	if (wpa_auth->cb.logger == NULL)
+		return;
+
+	maxlen = os_strlen(fmt) + 100;
+	format = os_malloc(maxlen);
+	if (!format)
+		return;
+
+	va_start(ap, fmt);
+	vsnprintf(format, maxlen, fmt, ap);
+	va_end(ap);
+
+	wpa_auth_logger(wpa_auth, addr, level, format);
+
+	os_free(format);
+}
+
+
+static void wpa_sta_disconnect(struct wpa_authenticator *wpa_auth,
+			       const u8 *addr)
+{
+	if (wpa_auth->cb.disconnect == NULL)
+		return;
+	wpa_auth->cb.disconnect(wpa_auth->cb.ctx, addr,
+				WLAN_REASON_PREV_AUTH_NOT_VALID);
+}
+
+
+static int wpa_use_aes_cmac(struct wpa_state_machine *sm)
+{
+	int ret = 0;
+#ifdef CONFIG_IEEE80211R
+	if (wpa_key_mgmt_ft(sm->wpa_key_mgmt))
+		ret = 1;
+#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_IEEE80211W
+	if (wpa_key_mgmt_sha256(sm->wpa_key_mgmt))
+		ret = 1;
+#endif /* CONFIG_IEEE80211W */
+	return ret;
+}
+
+
+static void wpa_rekey_gmk(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_authenticator *wpa_auth = eloop_ctx;
+
+	if (random_get_bytes(wpa_auth->group->GMK, WPA_GMK_LEN)) {
+		wpa_printf(MSG_ERROR, "Failed to get random data for WPA "
+			   "initialization.");
+	} else {
+		wpa_auth_logger(wpa_auth, NULL, LOGGER_DEBUG, "GMK rekeyd");
+		wpa_hexdump_key(MSG_DEBUG, "GMK",
+				wpa_auth->group->GMK, WPA_GMK_LEN);
+	}
+
+	if (wpa_auth->conf.wpa_gmk_rekey) {
+		eloop_register_timeout(wpa_auth->conf.wpa_gmk_rekey, 0,
+				       wpa_rekey_gmk, wpa_auth, NULL);
+	}
+}
+
+
+static void wpa_rekey_gtk(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_authenticator *wpa_auth = eloop_ctx;
+	struct wpa_group *group;
+
+	wpa_auth_logger(wpa_auth, NULL, LOGGER_DEBUG, "rekeying GTK");
+	for (group = wpa_auth->group; group; group = group->next) {
+		group->GTKReKey = TRUE;
+		do {
+			group->changed = FALSE;
+			wpa_group_sm_step(wpa_auth, group);
+		} while (group->changed);
+	}
+
+	if (wpa_auth->conf.wpa_group_rekey) {
+		eloop_register_timeout(wpa_auth->conf.wpa_group_rekey,
+				       0, wpa_rekey_gtk, wpa_auth, NULL);
+	}
+}
+
+
+static void wpa_rekey_ptk(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_authenticator *wpa_auth = eloop_ctx;
+	struct wpa_state_machine *sm = timeout_ctx;
+
+	wpa_auth_logger(wpa_auth, sm->addr, LOGGER_DEBUG, "rekeying PTK");
+	wpa_request_new_ptk(sm);
+	wpa_sm_step(sm);
+}
+
+
+static int wpa_auth_pmksa_clear_cb(struct wpa_state_machine *sm, void *ctx)
+{
+	if (sm->pmksa == ctx)
+		sm->pmksa = NULL;
+	return 0;
+}
+
+
+static void wpa_auth_pmksa_free_cb(struct rsn_pmksa_cache_entry *entry,
+				   void *ctx)
+{
+	struct wpa_authenticator *wpa_auth = ctx;
+	wpa_auth_for_each_sta(wpa_auth, wpa_auth_pmksa_clear_cb, entry);
+}
+
+
+static void wpa_group_set_key_len(struct wpa_group *group, int cipher)
+{
+	switch (cipher) {
+	case WPA_CIPHER_CCMP:
+		group->GTK_len = 16;
+		break;
+	case WPA_CIPHER_TKIP:
+		group->GTK_len = 32;
+		break;
+	case WPA_CIPHER_WEP104:
+		group->GTK_len = 13;
+		break;
+	case WPA_CIPHER_WEP40:
+		group->GTK_len = 5;
+		break;
+	}
+}
+
+
+static int wpa_group_init_gmk_and_counter(struct wpa_authenticator *wpa_auth,
+					  struct wpa_group *group)
+{
+	u8 buf[ETH_ALEN + 8 + sizeof(group)];
+	u8 rkey[32];
+
+	if (random_get_bytes(group->GMK, WPA_GMK_LEN) < 0)
+		return -1;
+	wpa_hexdump_key(MSG_DEBUG, "GMK", group->GMK, WPA_GMK_LEN);
+
+	/*
+	 * Counter = PRF-256(Random number, "Init Counter",
+	 *                   Local MAC Address || Time)
+	 */
+	os_memcpy(buf, wpa_auth->addr, ETH_ALEN);
+	wpa_get_ntp_timestamp(buf + ETH_ALEN);
+	os_memcpy(buf + ETH_ALEN + 8, &group, sizeof(group));
+	if (random_get_bytes(rkey, sizeof(rkey)) < 0)
+		return -1;
+
+	if (sha1_prf(rkey, sizeof(rkey), "Init Counter", buf, sizeof(buf),
+		     group->Counter, WPA_NONCE_LEN) < 0)
+		return -1;
+	wpa_hexdump_key(MSG_DEBUG, "Key Counter",
+			group->Counter, WPA_NONCE_LEN);
+
+	return 0;
+}
+
+
+static struct wpa_group * wpa_group_init(struct wpa_authenticator *wpa_auth,
+					 int vlan_id)
+{
+	struct wpa_group *group;
+
+	group = os_zalloc(sizeof(struct wpa_group));
+	if (group == NULL)
+		return NULL;
+
+	group->GTKAuthenticator = TRUE;
+	group->vlan_id = vlan_id;
+
+	wpa_group_set_key_len(group, wpa_auth->conf.wpa_group);
+
+	if (random_pool_ready() != 1) {
+		wpa_printf(MSG_INFO, "WPA: Not enough entropy in random pool "
+			   "for secure operations - update keys later when "
+			   "the first station connects");
+	}
+
+	/*
+	 * Set initial GMK/Counter value here. The actual values that will be
+	 * used in negotiations will be set once the first station tries to
+	 * connect. This allows more time for collecting additional randomness
+	 * on embedded devices.
+	 */
+	if (wpa_group_init_gmk_and_counter(wpa_auth, group) < 0) {
+		wpa_printf(MSG_ERROR, "Failed to get random data for WPA "
+			   "initialization.");
+		os_free(group);
+		return NULL;
+	}
+
+	group->GInit = TRUE;
+	wpa_group_sm_step(wpa_auth, group);
+	group->GInit = FALSE;
+	wpa_group_sm_step(wpa_auth, group);
+
+	return group;
+}
+
+
+/**
+ * wpa_init - Initialize WPA authenticator
+ * @addr: Authenticator address
+ * @conf: Configuration for WPA authenticator
+ * @cb: Callback functions for WPA authenticator
+ * Returns: Pointer to WPA authenticator data or %NULL on failure
+ */
+struct wpa_authenticator * wpa_init(const u8 *addr,
+				    struct wpa_auth_config *conf,
+				    struct wpa_auth_callbacks *cb)
+{
+	struct wpa_authenticator *wpa_auth;
+
+	wpa_auth = os_zalloc(sizeof(struct wpa_authenticator));
+	if (wpa_auth == NULL)
+		return NULL;
+	os_memcpy(wpa_auth->addr, addr, ETH_ALEN);
+	os_memcpy(&wpa_auth->conf, conf, sizeof(*conf));
+	os_memcpy(&wpa_auth->cb, cb, sizeof(*cb));
+
+	if (wpa_auth_gen_wpa_ie(wpa_auth)) {
+		wpa_printf(MSG_ERROR, "Could not generate WPA IE.");
+		os_free(wpa_auth);
+		return NULL;
+	}
+
+	wpa_auth->group = wpa_group_init(wpa_auth, 0);
+	if (wpa_auth->group == NULL) {
+		os_free(wpa_auth->wpa_ie);
+		os_free(wpa_auth);
+		return NULL;
+	}
+
+	wpa_auth->pmksa = pmksa_cache_auth_init(wpa_auth_pmksa_free_cb,
+						wpa_auth);
+	if (wpa_auth->pmksa == NULL) {
+		wpa_printf(MSG_ERROR, "PMKSA cache initialization failed.");
+		os_free(wpa_auth->wpa_ie);
+		os_free(wpa_auth);
+		return NULL;
+	}
+
+#ifdef CONFIG_IEEE80211R
+	wpa_auth->ft_pmk_cache = wpa_ft_pmk_cache_init();
+	if (wpa_auth->ft_pmk_cache == NULL) {
+		wpa_printf(MSG_ERROR, "FT PMK cache initialization failed.");
+		os_free(wpa_auth->wpa_ie);
+		pmksa_cache_auth_deinit(wpa_auth->pmksa);
+		os_free(wpa_auth);
+		return NULL;
+	}
+#endif /* CONFIG_IEEE80211R */
+
+	if (wpa_auth->conf.wpa_gmk_rekey) {
+		eloop_register_timeout(wpa_auth->conf.wpa_gmk_rekey, 0,
+				       wpa_rekey_gmk, wpa_auth, NULL);
+	}
+
+	if (wpa_auth->conf.wpa_group_rekey) {
+		eloop_register_timeout(wpa_auth->conf.wpa_group_rekey, 0,
+				       wpa_rekey_gtk, wpa_auth, NULL);
+	}
+
+	return wpa_auth;
+}
+
+
+/**
+ * wpa_deinit - Deinitialize WPA authenticator
+ * @wpa_auth: Pointer to WPA authenticator data from wpa_init()
+ */
+void wpa_deinit(struct wpa_authenticator *wpa_auth)
+{
+	struct wpa_group *group, *prev;
+
+	eloop_cancel_timeout(wpa_rekey_gmk, wpa_auth, NULL);
+	eloop_cancel_timeout(wpa_rekey_gtk, wpa_auth, NULL);
+
+#ifdef CONFIG_PEERKEY
+	while (wpa_auth->stsl_negotiations)
+		wpa_stsl_remove(wpa_auth, wpa_auth->stsl_negotiations);
+#endif /* CONFIG_PEERKEY */
+
+	pmksa_cache_auth_deinit(wpa_auth->pmksa);
+
+#ifdef CONFIG_IEEE80211R
+	wpa_ft_pmk_cache_deinit(wpa_auth->ft_pmk_cache);
+	wpa_auth->ft_pmk_cache = NULL;
+#endif /* CONFIG_IEEE80211R */
+
+	os_free(wpa_auth->wpa_ie);
+
+	group = wpa_auth->group;
+	while (group) {
+		prev = group;
+		group = group->next;
+		os_free(prev);
+	}
+
+	os_free(wpa_auth);
+}
+
+
+/**
+ * wpa_reconfig - Update WPA authenticator configuration
+ * @wpa_auth: Pointer to WPA authenticator data from wpa_init()
+ * @conf: Configuration for WPA authenticator
+ */
+int wpa_reconfig(struct wpa_authenticator *wpa_auth,
+		 struct wpa_auth_config *conf)
+{
+	struct wpa_group *group;
+	if (wpa_auth == NULL)
+		return 0;
+
+	os_memcpy(&wpa_auth->conf, conf, sizeof(*conf));
+	if (wpa_auth_gen_wpa_ie(wpa_auth)) {
+		wpa_printf(MSG_ERROR, "Could not generate WPA IE.");
+		return -1;
+	}
+
+	/*
+	 * Reinitialize GTK to make sure it is suitable for the new
+	 * configuration.
+	 */
+	group = wpa_auth->group;
+	wpa_group_set_key_len(group, wpa_auth->conf.wpa_group);
+	group->GInit = TRUE;
+	wpa_group_sm_step(wpa_auth, group);
+	group->GInit = FALSE;
+	wpa_group_sm_step(wpa_auth, group);
+
+	return 0;
+}
+
+
+struct wpa_state_machine *
+wpa_auth_sta_init(struct wpa_authenticator *wpa_auth, const u8 *addr)
+{
+	struct wpa_state_machine *sm;
+
+	sm = os_zalloc(sizeof(struct wpa_state_machine));
+	if (sm == NULL)
+		return NULL;
+	os_memcpy(sm->addr, addr, ETH_ALEN);
+
+	sm->wpa_auth = wpa_auth;
+	sm->group = wpa_auth->group;
+
+	return sm;
+}
+
+
+int wpa_auth_sta_associated(struct wpa_authenticator *wpa_auth,
+			    struct wpa_state_machine *sm)
+{
+	if (wpa_auth == NULL || !wpa_auth->conf.wpa || sm == NULL)
+		return -1;
+
+#ifdef CONFIG_IEEE80211R
+	if (sm->ft_completed) {
+		wpa_auth_logger(wpa_auth, sm->addr, LOGGER_DEBUG,
+				"FT authentication already completed - do not "
+				"start 4-way handshake");
+		return 0;
+	}
+#endif /* CONFIG_IEEE80211R */
+
+	if (sm->started) {
+		os_memset(&sm->key_replay, 0, sizeof(sm->key_replay));
+		sm->ReAuthenticationRequest = TRUE;
+		return wpa_sm_step(sm);
+	}
+
+	wpa_auth_logger(wpa_auth, sm->addr, LOGGER_DEBUG,
+			"start authentication");
+	sm->started = 1;
+
+	sm->Init = TRUE;
+	if (wpa_sm_step(sm) == 1)
+		return 1; /* should not really happen */
+	sm->Init = FALSE;
+	sm->AuthenticationRequest = TRUE;
+	return wpa_sm_step(sm);
+}
+
+
+void wpa_auth_sta_no_wpa(struct wpa_state_machine *sm)
+{
+	/* WPA/RSN was not used - clear WPA state. This is needed if the STA
+	 * reassociates back to the same AP while the previous entry for the
+	 * STA has not yet been removed. */
+	if (sm == NULL)
+		return;
+
+	sm->wpa_key_mgmt = 0;
+}
+
+
+static void wpa_free_sta_sm(struct wpa_state_machine *sm)
+{
+	if (sm->GUpdateStationKeys) {
+		sm->group->GKeyDoneStations--;
+		sm->GUpdateStationKeys = FALSE;
+	}
+#ifdef CONFIG_IEEE80211R
+	os_free(sm->assoc_resp_ftie);
+#endif /* CONFIG_IEEE80211R */
+	os_free(sm->last_rx_eapol_key);
+	os_free(sm->wpa_ie);
+	os_free(sm);
+}
+
+
+void wpa_auth_sta_deinit(struct wpa_state_machine *sm)
+{
+	if (sm == NULL)
+		return;
+
+	if (sm->wpa_auth->conf.wpa_strict_rekey && sm->has_GTK) {
+		wpa_auth_logger(sm->wpa_auth, sm->addr, LOGGER_DEBUG,
+				"strict rekeying - force GTK rekey since STA "
+				"is leaving");
+		eloop_cancel_timeout(wpa_rekey_gtk, sm->wpa_auth, NULL);
+		eloop_register_timeout(0, 500000, wpa_rekey_gtk, sm->wpa_auth,
+				       NULL);
+	}
+
+	eloop_cancel_timeout(wpa_send_eapol_timeout, sm->wpa_auth, sm);
+	sm->pending_1_of_4_timeout = 0;
+	eloop_cancel_timeout(wpa_sm_call_step, sm, NULL);
+	eloop_cancel_timeout(wpa_rekey_ptk, sm->wpa_auth, sm);
+	if (sm->in_step_loop) {
+		/* Must not free state machine while wpa_sm_step() is running.
+		 * Freeing will be completed in the end of wpa_sm_step(). */
+		wpa_printf(MSG_DEBUG, "WPA: Registering pending STA state "
+			   "machine deinit for " MACSTR, MAC2STR(sm->addr));
+		sm->pending_deinit = 1;
+	} else
+		wpa_free_sta_sm(sm);
+}
+
+
+static void wpa_request_new_ptk(struct wpa_state_machine *sm)
+{
+	if (sm == NULL)
+		return;
+
+	sm->PTKRequest = TRUE;
+	sm->PTK_valid = 0;
+}
+
+
+static int wpa_replay_counter_valid(struct wpa_state_machine *sm,
+				    const u8 *replay_counter)
+{
+	int i;
+	for (i = 0; i < RSNA_MAX_EAPOL_RETRIES; i++) {
+		if (!sm->key_replay[i].valid)
+			break;
+		if (os_memcmp(replay_counter, sm->key_replay[i].counter,
+			      WPA_REPLAY_COUNTER_LEN) == 0)
+			return 1;
+	}
+	return 0;
+}
+
+
+#ifdef CONFIG_IEEE80211R
+static int ft_check_msg_2_of_4(struct wpa_authenticator *wpa_auth,
+			       struct wpa_state_machine *sm,
+			       struct wpa_eapol_ie_parse *kde)
+{
+	struct wpa_ie_data ie;
+	struct rsn_mdie *mdie;
+
+	if (wpa_parse_wpa_ie_rsn(kde->rsn_ie, kde->rsn_ie_len, &ie) < 0 ||
+	    ie.num_pmkid != 1 || ie.pmkid == NULL) {
+		wpa_printf(MSG_DEBUG, "FT: No PMKR1Name in "
+			   "FT 4-way handshake message 2/4");
+		return -1;
+	}
+
+	os_memcpy(sm->sup_pmk_r1_name, ie.pmkid, PMKID_LEN);
+	wpa_hexdump(MSG_DEBUG, "FT: PMKR1Name from Supplicant",
+		    sm->sup_pmk_r1_name, PMKID_LEN);
+
+	if (!kde->mdie || !kde->ftie) {
+		wpa_printf(MSG_DEBUG, "FT: No %s in FT 4-way handshake "
+			   "message 2/4", kde->mdie ? "FTIE" : "MDIE");
+		return -1;
+	}
+
+	mdie = (struct rsn_mdie *) (kde->mdie + 2);
+	if (kde->mdie[1] < sizeof(struct rsn_mdie) ||
+	    os_memcmp(wpa_auth->conf.mobility_domain, mdie->mobility_domain,
+		      MOBILITY_DOMAIN_ID_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "FT: MDIE mismatch");
+		return -1;
+	}
+
+	if (sm->assoc_resp_ftie &&
+	    (kde->ftie[1] != sm->assoc_resp_ftie[1] ||
+	     os_memcmp(kde->ftie, sm->assoc_resp_ftie,
+		       2 + sm->assoc_resp_ftie[1]) != 0)) {
+		wpa_printf(MSG_DEBUG, "FT: FTIE mismatch");
+		wpa_hexdump(MSG_DEBUG, "FT: FTIE in EAPOL-Key msg 2/4",
+			    kde->ftie, kde->ftie_len);
+		wpa_hexdump(MSG_DEBUG, "FT: FTIE in (Re)AssocResp",
+			    sm->assoc_resp_ftie, 2 + sm->assoc_resp_ftie[1]);
+		return -1;
+	}
+
+	return 0;
+}
+#endif /* CONFIG_IEEE80211R */
+
+
+void wpa_receive(struct wpa_authenticator *wpa_auth,
+		 struct wpa_state_machine *sm,
+		 u8 *data, size_t data_len)
+{
+	struct ieee802_1x_hdr *hdr;
+	struct wpa_eapol_key *key;
+	u16 key_info, key_data_length;
+	enum { PAIRWISE_2, PAIRWISE_4, GROUP_2, REQUEST,
+	       SMK_M1, SMK_M3, SMK_ERROR } msg;
+	char *msgtxt;
+	struct wpa_eapol_ie_parse kde;
+	int ft;
+	const u8 *eapol_key_ie;
+	size_t eapol_key_ie_len;
+
+	if (wpa_auth == NULL || !wpa_auth->conf.wpa || sm == NULL)
+		return;
+
+	if (data_len < sizeof(*hdr) + sizeof(*key))
+		return;
+
+	hdr = (struct ieee802_1x_hdr *) data;
+	key = (struct wpa_eapol_key *) (hdr + 1);
+	key_info = WPA_GET_BE16(key->key_info);
+	key_data_length = WPA_GET_BE16(key->key_data_length);
+	if (key_data_length > data_len - sizeof(*hdr) - sizeof(*key)) {
+		wpa_printf(MSG_INFO, "WPA: Invalid EAPOL-Key frame - "
+			   "key_data overflow (%d > %lu)",
+			   key_data_length,
+			   (unsigned long) (data_len - sizeof(*hdr) -
+					    sizeof(*key)));
+		return;
+	}
+
+	if (sm->wpa == WPA_VERSION_WPA2) {
+		if (key->type != EAPOL_KEY_TYPE_RSN) {
+			wpa_printf(MSG_DEBUG, "Ignore EAPOL-Key with "
+				   "unexpected type %d in RSN mode",
+				   key->type);
+			return;
+		}
+	} else {
+		if (key->type != EAPOL_KEY_TYPE_WPA) {
+			wpa_printf(MSG_DEBUG, "Ignore EAPOL-Key with "
+				   "unexpected type %d in WPA mode",
+				   key->type);
+			return;
+		}
+	}
+
+	wpa_hexdump(MSG_DEBUG, "WPA: Received Key Nonce", key->key_nonce,
+		    WPA_NONCE_LEN);
+	wpa_hexdump(MSG_DEBUG, "WPA: Received Replay Counter",
+		    key->replay_counter, WPA_REPLAY_COUNTER_LEN);
+
+	/* FIX: verify that the EAPOL-Key frame was encrypted if pairwise keys
+	 * are set */
+
+	if ((key_info & (WPA_KEY_INFO_SMK_MESSAGE | WPA_KEY_INFO_REQUEST)) ==
+	    (WPA_KEY_INFO_SMK_MESSAGE | WPA_KEY_INFO_REQUEST)) {
+		if (key_info & WPA_KEY_INFO_ERROR) {
+			msg = SMK_ERROR;
+			msgtxt = "SMK Error";
+		} else {
+			msg = SMK_M1;
+			msgtxt = "SMK M1";
+		}
+	} else if (key_info & WPA_KEY_INFO_SMK_MESSAGE) {
+		msg = SMK_M3;
+		msgtxt = "SMK M3";
+	} else if (key_info & WPA_KEY_INFO_REQUEST) {
+		msg = REQUEST;
+		msgtxt = "Request";
+	} else if (!(key_info & WPA_KEY_INFO_KEY_TYPE)) {
+		msg = GROUP_2;
+		msgtxt = "2/2 Group";
+	} else if (key_data_length == 0) {
+		msg = PAIRWISE_4;
+		msgtxt = "4/4 Pairwise";
+	} else {
+		msg = PAIRWISE_2;
+		msgtxt = "2/4 Pairwise";
+	}
+
+	/* TODO: key_info type validation for PeerKey */
+	if (msg == REQUEST || msg == PAIRWISE_2 || msg == PAIRWISE_4 ||
+	    msg == GROUP_2) {
+		u16 ver = key_info & WPA_KEY_INFO_TYPE_MASK;
+		if (sm->pairwise == WPA_CIPHER_CCMP) {
+			if (wpa_use_aes_cmac(sm) &&
+			    ver != WPA_KEY_INFO_TYPE_AES_128_CMAC) {
+				wpa_auth_logger(wpa_auth, sm->addr,
+						LOGGER_WARNING,
+						"advertised support for "
+						"AES-128-CMAC, but did not "
+						"use it");
+				return;
+			}
+
+			if (!wpa_use_aes_cmac(sm) &&
+			    ver != WPA_KEY_INFO_TYPE_HMAC_SHA1_AES) {
+				wpa_auth_logger(wpa_auth, sm->addr,
+						LOGGER_WARNING,
+						"did not use HMAC-SHA1-AES "
+						"with CCMP");
+				return;
+			}
+		}
+	}
+
+	if (key_info & WPA_KEY_INFO_REQUEST) {
+		if (sm->req_replay_counter_used &&
+		    os_memcmp(key->replay_counter, sm->req_replay_counter,
+			      WPA_REPLAY_COUNTER_LEN) <= 0) {
+			wpa_auth_logger(wpa_auth, sm->addr, LOGGER_WARNING,
+					"received EAPOL-Key request with "
+					"replayed counter");
+			return;
+		}
+	}
+
+	if (!(key_info & WPA_KEY_INFO_REQUEST) &&
+	    !wpa_replay_counter_valid(sm, key->replay_counter)) {
+		int i;
+		wpa_auth_vlogger(wpa_auth, sm->addr, LOGGER_INFO,
+				 "received EAPOL-Key %s with unexpected "
+				 "replay counter", msgtxt);
+		for (i = 0; i < RSNA_MAX_EAPOL_RETRIES; i++) {
+			if (!sm->key_replay[i].valid)
+				break;
+			wpa_hexdump(MSG_DEBUG, "pending replay counter",
+				    sm->key_replay[i].counter,
+				    WPA_REPLAY_COUNTER_LEN);
+		}
+		wpa_hexdump(MSG_DEBUG, "received replay counter",
+			    key->replay_counter, WPA_REPLAY_COUNTER_LEN);
+		return;
+	}
+
+	switch (msg) {
+	case PAIRWISE_2:
+		if (sm->wpa_ptk_state != WPA_PTK_PTKSTART &&
+		    sm->wpa_ptk_state != WPA_PTK_PTKCALCNEGOTIATING) {
+			wpa_auth_vlogger(wpa_auth, sm->addr, LOGGER_INFO,
+					 "received EAPOL-Key msg 2/4 in "
+					 "invalid state (%d) - dropped",
+					 sm->wpa_ptk_state);
+			return;
+		}
+		random_add_randomness(key->key_nonce, WPA_NONCE_LEN);
+		if (sm->group->reject_4way_hs_for_entropy) {
+			/*
+			 * The system did not have enough entropy to generate
+			 * strong random numbers. Reject the first 4-way
+			 * handshake(s) and collect some entropy based on the
+			 * information from it. Once enough entropy is
+			 * available, the next atempt will trigger GMK/Key
+			 * Counter update and the station will be allowed to
+			 * continue.
+			 */
+			wpa_printf(MSG_DEBUG, "WPA: Reject 4-way handshake to "
+				   "collect more entropy for random number "
+				   "generation");
+			sm->group->reject_4way_hs_for_entropy = FALSE;
+			random_mark_pool_ready();
+			sm->group->first_sta_seen = FALSE;
+			wpa_sta_disconnect(wpa_auth, sm->addr);
+			return;
+		}
+		if (wpa_parse_kde_ies((u8 *) (key + 1), key_data_length,
+				      &kde) < 0) {
+			wpa_auth_vlogger(wpa_auth, sm->addr, LOGGER_INFO,
+					 "received EAPOL-Key msg 2/4 with "
+					 "invalid Key Data contents");
+			return;
+		}
+		if (kde.rsn_ie) {
+			eapol_key_ie = kde.rsn_ie;
+			eapol_key_ie_len = kde.rsn_ie_len;
+		} else {
+			eapol_key_ie = kde.wpa_ie;
+			eapol_key_ie_len = kde.wpa_ie_len;
+		}
+		ft = sm->wpa == WPA_VERSION_WPA2 &&
+			wpa_key_mgmt_ft(sm->wpa_key_mgmt);
+		if (sm->wpa_ie == NULL ||
+		    wpa_compare_rsn_ie(ft,
+				       sm->wpa_ie, sm->wpa_ie_len,
+				       eapol_key_ie, eapol_key_ie_len)) {
+			wpa_auth_logger(wpa_auth, sm->addr, LOGGER_INFO,
+					"WPA IE from (Re)AssocReq did not "
+					"match with msg 2/4");
+			if (sm->wpa_ie) {
+				wpa_hexdump(MSG_DEBUG, "WPA IE in AssocReq",
+					    sm->wpa_ie, sm->wpa_ie_len);
+			}
+			wpa_hexdump(MSG_DEBUG, "WPA IE in msg 2/4",
+				    eapol_key_ie, eapol_key_ie_len);
+			/* MLME-DEAUTHENTICATE.request */
+			wpa_sta_disconnect(wpa_auth, sm->addr);
+			return;
+		}
+#ifdef CONFIG_IEEE80211R
+		if (ft && ft_check_msg_2_of_4(wpa_auth, sm, &kde) < 0) {
+			wpa_sta_disconnect(wpa_auth, sm->addr);
+			return;
+		}
+#endif /* CONFIG_IEEE80211R */
+		break;
+	case PAIRWISE_4:
+		if (sm->wpa_ptk_state != WPA_PTK_PTKINITNEGOTIATING ||
+		    !sm->PTK_valid) {
+			wpa_auth_vlogger(wpa_auth, sm->addr, LOGGER_INFO,
+					 "received EAPOL-Key msg 4/4 in "
+					 "invalid state (%d) - dropped",
+					 sm->wpa_ptk_state);
+			return;
+		}
+		break;
+	case GROUP_2:
+		if (sm->wpa_ptk_group_state != WPA_PTK_GROUP_REKEYNEGOTIATING
+		    || !sm->PTK_valid) {
+			wpa_auth_vlogger(wpa_auth, sm->addr, LOGGER_INFO,
+					 "received EAPOL-Key msg 2/2 in "
+					 "invalid state (%d) - dropped",
+					 sm->wpa_ptk_group_state);
+			return;
+		}
+		break;
+#ifdef CONFIG_PEERKEY
+	case SMK_M1:
+	case SMK_M3:
+	case SMK_ERROR:
+		if (!wpa_auth->conf.peerkey) {
+			wpa_printf(MSG_DEBUG, "RSN: SMK M1/M3/Error, but "
+				   "PeerKey use disabled - ignoring message");
+			return;
+		}
+		if (!sm->PTK_valid) {
+			wpa_auth_logger(wpa_auth, sm->addr, LOGGER_INFO,
+					"received EAPOL-Key msg SMK in "
+					"invalid state - dropped");
+			return;
+		}
+		break;
+#else /* CONFIG_PEERKEY */
+	case SMK_M1:
+	case SMK_M3:
+	case SMK_ERROR:
+		return; /* STSL disabled - ignore SMK messages */
+#endif /* CONFIG_PEERKEY */
+	case REQUEST:
+		break;
+	}
+
+	wpa_auth_vlogger(wpa_auth, sm->addr, LOGGER_DEBUG,
+			 "received EAPOL-Key frame (%s)", msgtxt);
+
+	if (key_info & WPA_KEY_INFO_ACK) {
+		wpa_auth_logger(wpa_auth, sm->addr, LOGGER_INFO,
+				"received invalid EAPOL-Key: Key Ack set");
+		return;
+	}
+
+	if (!(key_info & WPA_KEY_INFO_MIC)) {
+		wpa_auth_logger(wpa_auth, sm->addr, LOGGER_INFO,
+				"received invalid EAPOL-Key: Key MIC not set");
+		return;
+	}
+
+	sm->MICVerified = FALSE;
+	if (sm->PTK_valid) {
+		if (wpa_verify_key_mic(&sm->PTK, data, data_len)) {
+			wpa_auth_logger(wpa_auth, sm->addr, LOGGER_INFO,
+					"received EAPOL-Key with invalid MIC");
+			return;
+		}
+		sm->MICVerified = TRUE;
+		eloop_cancel_timeout(wpa_send_eapol_timeout, wpa_auth, sm);
+		sm->pending_1_of_4_timeout = 0;
+	}
+
+	if (key_info & WPA_KEY_INFO_REQUEST) {
+		if (sm->MICVerified) {
+			sm->req_replay_counter_used = 1;
+			os_memcpy(sm->req_replay_counter, key->replay_counter,
+				  WPA_REPLAY_COUNTER_LEN);
+		} else {
+			wpa_auth_logger(wpa_auth, sm->addr, LOGGER_INFO,
+					"received EAPOL-Key request with "
+					"invalid MIC");
+			return;
+		}
+
+		/*
+		 * TODO: should decrypt key data field if encryption was used;
+		 * even though MAC address KDE is not normally encrypted,
+		 * supplicant is allowed to encrypt it.
+		 */
+		if (msg == SMK_ERROR) {
+#ifdef CONFIG_PEERKEY
+			wpa_smk_error(wpa_auth, sm, key);
+#endif /* CONFIG_PEERKEY */
+			return;
+		} else if (key_info & WPA_KEY_INFO_ERROR) {
+			/* Supplicant reported a Michael MIC error */
+			wpa_auth_logger(wpa_auth, sm->addr, LOGGER_INFO,
+					"received EAPOL-Key Error Request "
+					"(STA detected Michael MIC failure)");
+			wpa_auth_mic_failure_report(wpa_auth, sm->addr);
+			sm->dot11RSNAStatsTKIPRemoteMICFailures++;
+			wpa_auth->dot11RSNAStatsTKIPRemoteMICFailures++;
+			/* Error report is not a request for a new key
+			 * handshake, but since Authenticator may do it, let's
+			 * change the keys now anyway. */
+			wpa_request_new_ptk(sm);
+		} else if (key_info & WPA_KEY_INFO_KEY_TYPE) {
+			wpa_auth_logger(wpa_auth, sm->addr, LOGGER_INFO,
+					"received EAPOL-Key Request for new "
+					"4-Way Handshake");
+			wpa_request_new_ptk(sm);
+#ifdef CONFIG_PEERKEY
+		} else if (msg == SMK_M1) {
+			wpa_smk_m1(wpa_auth, sm, key);
+#endif /* CONFIG_PEERKEY */
+		} else if (key_data_length > 0 &&
+			   wpa_parse_kde_ies((const u8 *) (key + 1),
+					     key_data_length, &kde) == 0 &&
+			   kde.mac_addr) {
+		} else {
+			wpa_auth_logger(wpa_auth, sm->addr, LOGGER_INFO,
+					"received EAPOL-Key Request for GTK "
+					"rekeying");
+			/* FIX: why was this triggering PTK rekeying for the
+			 * STA that requested Group Key rekeying?? */
+			/* wpa_request_new_ptk(sta->wpa_sm); */
+			eloop_cancel_timeout(wpa_rekey_gtk, wpa_auth, NULL);
+			wpa_rekey_gtk(wpa_auth, NULL);
+		}
+	} else {
+		/* Do not allow the same key replay counter to be reused. This
+		 * does also invalidate all other pending replay counters if
+		 * retransmissions were used, i.e., we will only process one of
+		 * the pending replies and ignore rest if more than one is
+		 * received. */
+		sm->key_replay[0].valid = FALSE;
+	}
+
+#ifdef CONFIG_PEERKEY
+	if (msg == SMK_M3) {
+		wpa_smk_m3(wpa_auth, sm, key);
+		return;
+	}
+#endif /* CONFIG_PEERKEY */
+
+	os_free(sm->last_rx_eapol_key);
+	sm->last_rx_eapol_key = os_malloc(data_len);
+	if (sm->last_rx_eapol_key == NULL)
+		return;
+	os_memcpy(sm->last_rx_eapol_key, data, data_len);
+	sm->last_rx_eapol_key_len = data_len;
+
+	sm->EAPOLKeyReceived = TRUE;
+	sm->EAPOLKeyPairwise = !!(key_info & WPA_KEY_INFO_KEY_TYPE);
+	sm->EAPOLKeyRequest = !!(key_info & WPA_KEY_INFO_REQUEST);
+	os_memcpy(sm->SNonce, key->key_nonce, WPA_NONCE_LEN);
+	wpa_sm_step(sm);
+}
+
+
+static int wpa_gmk_to_gtk(const u8 *gmk, const char *label, const u8 *addr,
+			  const u8 *gnonce, u8 *gtk, size_t gtk_len)
+{
+	u8 data[ETH_ALEN + WPA_NONCE_LEN + 8 + 16];
+	u8 *pos;
+	int ret = 0;
+
+	/* GTK = PRF-X(GMK, "Group key expansion",
+	 *	AA || GNonce || Time || random data)
+	 * The example described in the IEEE 802.11 standard uses only AA and
+	 * GNonce as inputs here. Add some more entropy since this derivation
+	 * is done only at the Authenticator and as such, does not need to be
+	 * exactly same.
+	 */
+	os_memcpy(data, addr, ETH_ALEN);
+	os_memcpy(data + ETH_ALEN, gnonce, WPA_NONCE_LEN);
+	pos = data + ETH_ALEN + WPA_NONCE_LEN;
+	wpa_get_ntp_timestamp(pos);
+	pos += 8;
+	if (random_get_bytes(pos, 16) < 0)
+		ret = -1;
+
+#ifdef CONFIG_IEEE80211W
+	sha256_prf(gmk, WPA_GMK_LEN, label, data, sizeof(data), gtk, gtk_len);
+#else /* CONFIG_IEEE80211W */
+	if (sha1_prf(gmk, WPA_GMK_LEN, label, data, sizeof(data), gtk, gtk_len)
+	    < 0)
+		ret = -1;
+#endif /* CONFIG_IEEE80211W */
+
+	return ret;
+}
+
+
+static void wpa_send_eapol_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_authenticator *wpa_auth = eloop_ctx;
+	struct wpa_state_machine *sm = timeout_ctx;
+
+	sm->pending_1_of_4_timeout = 0;
+	wpa_auth_logger(wpa_auth, sm->addr, LOGGER_DEBUG, "EAPOL-Key timeout");
+	sm->TimeoutEvt = TRUE;
+	wpa_sm_step(sm);
+}
+
+
+void __wpa_send_eapol(struct wpa_authenticator *wpa_auth,
+		      struct wpa_state_machine *sm, int key_info,
+		      const u8 *key_rsc, const u8 *nonce,
+		      const u8 *kde, size_t kde_len,
+		      int keyidx, int encr, int force_version)
+{
+	struct ieee802_1x_hdr *hdr;
+	struct wpa_eapol_key *key;
+	size_t len;
+	int alg;
+	int key_data_len, pad_len = 0;
+	u8 *buf, *pos;
+	int version, pairwise;
+	int i;
+
+	len = sizeof(struct ieee802_1x_hdr) + sizeof(struct wpa_eapol_key);
+
+	if (force_version)
+		version = force_version;
+	else if (wpa_use_aes_cmac(sm))
+		version = WPA_KEY_INFO_TYPE_AES_128_CMAC;
+	else if (sm->pairwise == WPA_CIPHER_CCMP)
+		version = WPA_KEY_INFO_TYPE_HMAC_SHA1_AES;
+	else
+		version = WPA_KEY_INFO_TYPE_HMAC_MD5_RC4;
+
+	pairwise = key_info & WPA_KEY_INFO_KEY_TYPE;
+
+	wpa_printf(MSG_DEBUG, "WPA: Send EAPOL(version=%d secure=%d mic=%d "
+		   "ack=%d install=%d pairwise=%d kde_len=%lu keyidx=%d "
+		   "encr=%d)",
+		   version,
+		   (key_info & WPA_KEY_INFO_SECURE) ? 1 : 0,
+		   (key_info & WPA_KEY_INFO_MIC) ? 1 : 0,
+		   (key_info & WPA_KEY_INFO_ACK) ? 1 : 0,
+		   (key_info & WPA_KEY_INFO_INSTALL) ? 1 : 0,
+		   pairwise, (unsigned long) kde_len, keyidx, encr);
+
+	key_data_len = kde_len;
+
+	if ((version == WPA_KEY_INFO_TYPE_HMAC_SHA1_AES ||
+	     version == WPA_KEY_INFO_TYPE_AES_128_CMAC) && encr) {
+		pad_len = key_data_len % 8;
+		if (pad_len)
+			pad_len = 8 - pad_len;
+		key_data_len += pad_len + 8;
+	}
+
+	len += key_data_len;
+
+	hdr = os_zalloc(len);
+	if (hdr == NULL)
+		return;
+	hdr->version = wpa_auth->conf.eapol_version;
+	hdr->type = IEEE802_1X_TYPE_EAPOL_KEY;
+	hdr->length = host_to_be16(len  - sizeof(*hdr));
+	key = (struct wpa_eapol_key *) (hdr + 1);
+
+	key->type = sm->wpa == WPA_VERSION_WPA2 ?
+		EAPOL_KEY_TYPE_RSN : EAPOL_KEY_TYPE_WPA;
+	key_info |= version;
+	if (encr && sm->wpa == WPA_VERSION_WPA2)
+		key_info |= WPA_KEY_INFO_ENCR_KEY_DATA;
+	if (sm->wpa != WPA_VERSION_WPA2)
+		key_info |= keyidx << WPA_KEY_INFO_KEY_INDEX_SHIFT;
+	WPA_PUT_BE16(key->key_info, key_info);
+
+	alg = pairwise ? sm->pairwise : wpa_auth->conf.wpa_group;
+	switch (alg) {
+	case WPA_CIPHER_CCMP:
+		WPA_PUT_BE16(key->key_length, 16);
+		break;
+	case WPA_CIPHER_TKIP:
+		WPA_PUT_BE16(key->key_length, 32);
+		break;
+	case WPA_CIPHER_WEP40:
+		WPA_PUT_BE16(key->key_length, 5);
+		break;
+	case WPA_CIPHER_WEP104:
+		WPA_PUT_BE16(key->key_length, 13);
+		break;
+	}
+	if (key_info & WPA_KEY_INFO_SMK_MESSAGE)
+		WPA_PUT_BE16(key->key_length, 0);
+
+	/* FIX: STSL: what to use as key_replay_counter? */
+	for (i = RSNA_MAX_EAPOL_RETRIES - 1; i > 0; i--) {
+		sm->key_replay[i].valid = sm->key_replay[i - 1].valid;
+		os_memcpy(sm->key_replay[i].counter,
+			  sm->key_replay[i - 1].counter,
+			  WPA_REPLAY_COUNTER_LEN);
+	}
+	inc_byte_array(sm->key_replay[0].counter, WPA_REPLAY_COUNTER_LEN);
+	os_memcpy(key->replay_counter, sm->key_replay[0].counter,
+		  WPA_REPLAY_COUNTER_LEN);
+	sm->key_replay[0].valid = TRUE;
+
+	if (nonce)
+		os_memcpy(key->key_nonce, nonce, WPA_NONCE_LEN);
+
+	if (key_rsc)
+		os_memcpy(key->key_rsc, key_rsc, WPA_KEY_RSC_LEN);
+
+	if (kde && !encr) {
+		os_memcpy(key + 1, kde, kde_len);
+		WPA_PUT_BE16(key->key_data_length, kde_len);
+	} else if (encr && kde) {
+		buf = os_zalloc(key_data_len);
+		if (buf == NULL) {
+			os_free(hdr);
+			return;
+		}
+		pos = buf;
+		os_memcpy(pos, kde, kde_len);
+		pos += kde_len;
+
+		if (pad_len)
+			*pos++ = 0xdd;
+
+		wpa_hexdump_key(MSG_DEBUG, "Plaintext EAPOL-Key Key Data",
+				buf, key_data_len);
+		if (version == WPA_KEY_INFO_TYPE_HMAC_SHA1_AES ||
+		    version == WPA_KEY_INFO_TYPE_AES_128_CMAC) {
+			if (aes_wrap(sm->PTK.kek, (key_data_len - 8) / 8, buf,
+				     (u8 *) (key + 1))) {
+				os_free(hdr);
+				os_free(buf);
+				return;
+			}
+			WPA_PUT_BE16(key->key_data_length, key_data_len);
+		} else {
+			u8 ek[32];
+			os_memcpy(key->key_iv,
+				  sm->group->Counter + WPA_NONCE_LEN - 16, 16);
+			inc_byte_array(sm->group->Counter, WPA_NONCE_LEN);
+			os_memcpy(ek, key->key_iv, 16);
+			os_memcpy(ek + 16, sm->PTK.kek, 16);
+			os_memcpy(key + 1, buf, key_data_len);
+			rc4_skip(ek, 32, 256, (u8 *) (key + 1), key_data_len);
+			WPA_PUT_BE16(key->key_data_length, key_data_len);
+		}
+		os_free(buf);
+	}
+
+	if (key_info & WPA_KEY_INFO_MIC) {
+		if (!sm->PTK_valid) {
+			wpa_auth_logger(wpa_auth, sm->addr, LOGGER_DEBUG,
+					"PTK not valid when sending EAPOL-Key "
+					"frame");
+			os_free(hdr);
+			return;
+		}
+		wpa_eapol_key_mic(sm->PTK.kck, version, (u8 *) hdr, len,
+				  key->key_mic);
+	}
+
+	wpa_auth_set_eapol(sm->wpa_auth, sm->addr, WPA_EAPOL_inc_EapolFramesTx,
+			   1);
+	wpa_auth_send_eapol(wpa_auth, sm->addr, (u8 *) hdr, len,
+			    sm->pairwise_set);
+	os_free(hdr);
+}
+
+
+static void wpa_send_eapol(struct wpa_authenticator *wpa_auth,
+			   struct wpa_state_machine *sm, int key_info,
+			   const u8 *key_rsc, const u8 *nonce,
+			   const u8 *kde, size_t kde_len,
+			   int keyidx, int encr)
+{
+	int timeout_ms;
+	int pairwise = key_info & WPA_KEY_INFO_KEY_TYPE;
+	int ctr;
+
+	if (sm == NULL)
+		return;
+
+	__wpa_send_eapol(wpa_auth, sm, key_info, key_rsc, nonce, kde, kde_len,
+			 keyidx, encr, 0);
+
+	ctr = pairwise ? sm->TimeoutCtr : sm->GTimeoutCtr;
+	if (ctr == 1 && wpa_auth->conf.tx_status)
+		timeout_ms = eapol_key_timeout_first;
+	else
+		timeout_ms = eapol_key_timeout_subseq;
+	if (pairwise && ctr == 1 && !(key_info & WPA_KEY_INFO_MIC))
+		sm->pending_1_of_4_timeout = 1;
+	wpa_printf(MSG_DEBUG, "WPA: Use EAPOL-Key timeout of %u ms (retry "
+		   "counter %d)", timeout_ms, ctr);
+	eloop_register_timeout(timeout_ms / 1000, (timeout_ms % 1000) * 1000,
+			       wpa_send_eapol_timeout, wpa_auth, sm);
+}
+
+
+static int wpa_verify_key_mic(struct wpa_ptk *PTK, u8 *data, size_t data_len)
+{
+	struct ieee802_1x_hdr *hdr;
+	struct wpa_eapol_key *key;
+	u16 key_info;
+	int ret = 0;
+	u8 mic[16];
+
+	if (data_len < sizeof(*hdr) + sizeof(*key))
+		return -1;
+
+	hdr = (struct ieee802_1x_hdr *) data;
+	key = (struct wpa_eapol_key *) (hdr + 1);
+	key_info = WPA_GET_BE16(key->key_info);
+	os_memcpy(mic, key->key_mic, 16);
+	os_memset(key->key_mic, 0, 16);
+	if (wpa_eapol_key_mic(PTK->kck, key_info & WPA_KEY_INFO_TYPE_MASK,
+			      data, data_len, key->key_mic) ||
+	    os_memcmp(mic, key->key_mic, 16) != 0)
+		ret = -1;
+	os_memcpy(key->key_mic, mic, 16);
+	return ret;
+}
+
+
+void wpa_remove_ptk(struct wpa_state_machine *sm)
+{
+	sm->PTK_valid = FALSE;
+	os_memset(&sm->PTK, 0, sizeof(sm->PTK));
+	wpa_auth_set_key(sm->wpa_auth, 0, WPA_ALG_NONE, sm->addr, 0, NULL, 0);
+	sm->pairwise_set = FALSE;
+	eloop_cancel_timeout(wpa_rekey_ptk, sm->wpa_auth, sm);
+}
+
+
+int wpa_auth_sm_event(struct wpa_state_machine *sm, wpa_event event)
+{
+	int remove_ptk = 1;
+
+	if (sm == NULL)
+		return -1;
+
+	wpa_auth_vlogger(sm->wpa_auth, sm->addr, LOGGER_DEBUG,
+			 "event %d notification", event);
+
+	switch (event) {
+	case WPA_AUTH:
+	case WPA_ASSOC:
+		break;
+	case WPA_DEAUTH:
+	case WPA_DISASSOC:
+		sm->DeauthenticationRequest = TRUE;
+		break;
+	case WPA_REAUTH:
+	case WPA_REAUTH_EAPOL:
+		if (!sm->started) {
+			/*
+			 * When using WPS, we may end up here if the STA
+			 * manages to re-associate without the previous STA
+			 * entry getting removed. Consequently, we need to make
+			 * sure that the WPA state machines gets initialized
+			 * properly at this point.
+			 */
+			wpa_printf(MSG_DEBUG, "WPA state machine had not been "
+				   "started - initialize now");
+			sm->started = 1;
+			sm->Init = TRUE;
+			if (wpa_sm_step(sm) == 1)
+				return 1; /* should not really happen */
+			sm->Init = FALSE;
+			sm->AuthenticationRequest = TRUE;
+			break;
+		}
+		if (sm->GUpdateStationKeys) {
+			/*
+			 * Reauthentication cancels the pending group key
+			 * update for this STA.
+			 */
+			sm->group->GKeyDoneStations--;
+			sm->GUpdateStationKeys = FALSE;
+			sm->PtkGroupInit = TRUE;
+		}
+		sm->ReAuthenticationRequest = TRUE;
+		break;
+	case WPA_ASSOC_FT:
+#ifdef CONFIG_IEEE80211R
+		wpa_printf(MSG_DEBUG, "FT: Retry PTK configuration "
+			   "after association");
+		wpa_ft_install_ptk(sm);
+
+		/* Using FT protocol, not WPA auth state machine */
+		sm->ft_completed = 1;
+		return 0;
+#else /* CONFIG_IEEE80211R */
+		break;
+#endif /* CONFIG_IEEE80211R */
+	}
+
+#ifdef CONFIG_IEEE80211R
+	sm->ft_completed = 0;
+#endif /* CONFIG_IEEE80211R */
+
+#ifdef CONFIG_IEEE80211W
+	if (sm->mgmt_frame_prot && event == WPA_AUTH)
+		remove_ptk = 0;
+#endif /* CONFIG_IEEE80211W */
+
+	if (remove_ptk) {
+		sm->PTK_valid = FALSE;
+		os_memset(&sm->PTK, 0, sizeof(sm->PTK));
+
+		if (event != WPA_REAUTH_EAPOL)
+			wpa_remove_ptk(sm);
+	}
+
+	return wpa_sm_step(sm);
+}
+
+
+static enum wpa_alg wpa_alg_enum(int alg)
+{
+	switch (alg) {
+	case WPA_CIPHER_CCMP:
+		return WPA_ALG_CCMP;
+	case WPA_CIPHER_TKIP:
+		return WPA_ALG_TKIP;
+	case WPA_CIPHER_WEP104:
+	case WPA_CIPHER_WEP40:
+		return WPA_ALG_WEP;
+	default:
+		return WPA_ALG_NONE;
+	}
+}
+
+
+SM_STATE(WPA_PTK, INITIALIZE)
+{
+	SM_ENTRY_MA(WPA_PTK, INITIALIZE, wpa_ptk);
+	if (sm->Init) {
+		/* Init flag is not cleared here, so avoid busy
+		 * loop by claiming nothing changed. */
+		sm->changed = FALSE;
+	}
+
+	sm->keycount = 0;
+	if (sm->GUpdateStationKeys)
+		sm->group->GKeyDoneStations--;
+	sm->GUpdateStationKeys = FALSE;
+	if (sm->wpa == WPA_VERSION_WPA)
+		sm->PInitAKeys = FALSE;
+	if (1 /* Unicast cipher supported AND (ESS OR ((IBSS or WDS) and
+	       * Local AA > Remote AA)) */) {
+		sm->Pair = TRUE;
+	}
+	wpa_auth_set_eapol(sm->wpa_auth, sm->addr, WPA_EAPOL_portEnabled, 0);
+	wpa_remove_ptk(sm);
+	wpa_auth_set_eapol(sm->wpa_auth, sm->addr, WPA_EAPOL_portValid, 0);
+	sm->TimeoutCtr = 0;
+	if (wpa_key_mgmt_wpa_psk(sm->wpa_key_mgmt)) {
+		wpa_auth_set_eapol(sm->wpa_auth, sm->addr,
+				   WPA_EAPOL_authorized, 0);
+	}
+}
+
+
+SM_STATE(WPA_PTK, DISCONNECT)
+{
+	SM_ENTRY_MA(WPA_PTK, DISCONNECT, wpa_ptk);
+	sm->Disconnect = FALSE;
+	wpa_sta_disconnect(sm->wpa_auth, sm->addr);
+}
+
+
+SM_STATE(WPA_PTK, DISCONNECTED)
+{
+	SM_ENTRY_MA(WPA_PTK, DISCONNECTED, wpa_ptk);
+	sm->DeauthenticationRequest = FALSE;
+}
+
+
+SM_STATE(WPA_PTK, AUTHENTICATION)
+{
+	SM_ENTRY_MA(WPA_PTK, AUTHENTICATION, wpa_ptk);
+	os_memset(&sm->PTK, 0, sizeof(sm->PTK));
+	sm->PTK_valid = FALSE;
+	wpa_auth_set_eapol(sm->wpa_auth, sm->addr, WPA_EAPOL_portControl_Auto,
+			   1);
+	wpa_auth_set_eapol(sm->wpa_auth, sm->addr, WPA_EAPOL_portEnabled, 1);
+	sm->AuthenticationRequest = FALSE;
+}
+
+
+static void wpa_group_first_station(struct wpa_authenticator *wpa_auth,
+				    struct wpa_group *group)
+{
+	/*
+	 * System has run bit further than at the time hostapd was started
+	 * potentially very early during boot up. This provides better chances
+	 * of collecting more randomness on embedded systems. Re-initialize the
+	 * GMK and Counter here to improve their strength if there was not
+	 * enough entropy available immediately after system startup.
+	 */
+	wpa_printf(MSG_DEBUG, "WPA: Re-initialize GMK/Counter on first "
+		   "station");
+	if (random_pool_ready() != 1) {
+		wpa_printf(MSG_INFO, "WPA: Not enough entropy in random pool "
+			   "to proceed - reject first 4-way handshake");
+		group->reject_4way_hs_for_entropy = TRUE;
+	}
+	wpa_group_init_gmk_and_counter(wpa_auth, group);
+	wpa_gtk_update(wpa_auth, group);
+	wpa_group_config_group_keys(wpa_auth, group);
+}
+
+
+SM_STATE(WPA_PTK, AUTHENTICATION2)
+{
+	SM_ENTRY_MA(WPA_PTK, AUTHENTICATION2, wpa_ptk);
+
+	if (!sm->group->first_sta_seen) {
+		wpa_group_first_station(sm->wpa_auth, sm->group);
+		sm->group->first_sta_seen = TRUE;
+	}
+
+	os_memcpy(sm->ANonce, sm->group->Counter, WPA_NONCE_LEN);
+	wpa_hexdump(MSG_DEBUG, "WPA: Assign ANonce", sm->ANonce,
+		    WPA_NONCE_LEN);
+	inc_byte_array(sm->group->Counter, WPA_NONCE_LEN);
+	sm->ReAuthenticationRequest = FALSE;
+	/* IEEE 802.11i does not clear TimeoutCtr here, but this is more
+	 * logical place than INITIALIZE since AUTHENTICATION2 can be
+	 * re-entered on ReAuthenticationRequest without going through
+	 * INITIALIZE. */
+	sm->TimeoutCtr = 0;
+}
+
+
+SM_STATE(WPA_PTK, INITPMK)
+{
+	u8 msk[2 * PMK_LEN];
+	size_t len = 2 * PMK_LEN;
+
+	SM_ENTRY_MA(WPA_PTK, INITPMK, wpa_ptk);
+#ifdef CONFIG_IEEE80211R
+	sm->xxkey_len = 0;
+#endif /* CONFIG_IEEE80211R */
+	if (sm->pmksa) {
+		wpa_printf(MSG_DEBUG, "WPA: PMK from PMKSA cache");
+		os_memcpy(sm->PMK, sm->pmksa->pmk, PMK_LEN);
+	} else if (wpa_auth_get_msk(sm->wpa_auth, sm->addr, msk, &len) == 0) {
+		wpa_printf(MSG_DEBUG, "WPA: PMK from EAPOL state machine "
+			   "(len=%lu)", (unsigned long) len);
+		os_memcpy(sm->PMK, msk, PMK_LEN);
+#ifdef CONFIG_IEEE80211R
+		if (len >= 2 * PMK_LEN) {
+			os_memcpy(sm->xxkey, msk + PMK_LEN, PMK_LEN);
+			sm->xxkey_len = PMK_LEN;
+		}
+#endif /* CONFIG_IEEE80211R */
+	} else {
+		wpa_printf(MSG_DEBUG, "WPA: Could not get PMK");
+	}
+
+	sm->req_replay_counter_used = 0;
+	/* IEEE 802.11i does not set keyRun to FALSE, but not doing this
+	 * will break reauthentication since EAPOL state machines may not be
+	 * get into AUTHENTICATING state that clears keyRun before WPA state
+	 * machine enters AUTHENTICATION2 state and goes immediately to INITPMK
+	 * state and takes PMK from the previously used AAA Key. This will
+	 * eventually fail in 4-Way Handshake because Supplicant uses PMK
+	 * derived from the new AAA Key. Setting keyRun = FALSE here seems to
+	 * be good workaround for this issue. */
+	wpa_auth_set_eapol(sm->wpa_auth, sm->addr, WPA_EAPOL_keyRun, 0);
+}
+
+
+SM_STATE(WPA_PTK, INITPSK)
+{
+	const u8 *psk;
+	SM_ENTRY_MA(WPA_PTK, INITPSK, wpa_ptk);
+	psk = wpa_auth_get_psk(sm->wpa_auth, sm->addr, NULL);
+	if (psk) {
+		os_memcpy(sm->PMK, psk, PMK_LEN);
+#ifdef CONFIG_IEEE80211R
+		os_memcpy(sm->xxkey, psk, PMK_LEN);
+		sm->xxkey_len = PMK_LEN;
+#endif /* CONFIG_IEEE80211R */
+	}
+	sm->req_replay_counter_used = 0;
+}
+
+
+SM_STATE(WPA_PTK, PTKSTART)
+{
+	u8 buf[2 + RSN_SELECTOR_LEN + PMKID_LEN], *pmkid = NULL;
+	size_t pmkid_len = 0;
+
+	SM_ENTRY_MA(WPA_PTK, PTKSTART, wpa_ptk);
+	sm->PTKRequest = FALSE;
+	sm->TimeoutEvt = FALSE;
+
+	sm->TimeoutCtr++;
+	if (sm->TimeoutCtr > (int) dot11RSNAConfigPairwiseUpdateCount) {
+		/* No point in sending the EAPOL-Key - we will disconnect
+		 * immediately following this. */
+		return;
+	}
+
+	wpa_auth_logger(sm->wpa_auth, sm->addr, LOGGER_DEBUG,
+			"sending 1/4 msg of 4-Way Handshake");
+	/*
+	 * TODO: Could add PMKID even with WPA2-PSK, but only if there is only
+	 * one possible PSK for this STA.
+	 */
+	if (sm->wpa == WPA_VERSION_WPA2 &&
+	    wpa_key_mgmt_wpa_ieee8021x(sm->wpa_key_mgmt)) {
+		pmkid = buf;
+		pmkid_len = 2 + RSN_SELECTOR_LEN + PMKID_LEN;
+		pmkid[0] = WLAN_EID_VENDOR_SPECIFIC;
+		pmkid[1] = RSN_SELECTOR_LEN + PMKID_LEN;
+		RSN_SELECTOR_PUT(&pmkid[2], RSN_KEY_DATA_PMKID);
+		if (sm->pmksa)
+			os_memcpy(&pmkid[2 + RSN_SELECTOR_LEN],
+				  sm->pmksa->pmkid, PMKID_LEN);
+		else {
+			/*
+			 * Calculate PMKID since no PMKSA cache entry was
+			 * available with pre-calculated PMKID.
+			 */
+			rsn_pmkid(sm->PMK, PMK_LEN, sm->wpa_auth->addr,
+				  sm->addr, &pmkid[2 + RSN_SELECTOR_LEN],
+				  wpa_key_mgmt_sha256(sm->wpa_key_mgmt));
+		}
+	}
+	wpa_send_eapol(sm->wpa_auth, sm,
+		       WPA_KEY_INFO_ACK | WPA_KEY_INFO_KEY_TYPE, NULL,
+		       sm->ANonce, pmkid, pmkid_len, 0, 0);
+}
+
+
+static int wpa_derive_ptk(struct wpa_state_machine *sm, const u8 *pmk,
+			  struct wpa_ptk *ptk)
+{
+	size_t ptk_len = sm->pairwise == WPA_CIPHER_CCMP ? 48 : 64;
+#ifdef CONFIG_IEEE80211R
+	if (wpa_key_mgmt_ft(sm->wpa_key_mgmt))
+		return wpa_auth_derive_ptk_ft(sm, pmk, ptk, ptk_len);
+#endif /* CONFIG_IEEE80211R */
+
+	wpa_pmk_to_ptk(pmk, PMK_LEN, "Pairwise key expansion",
+		       sm->wpa_auth->addr, sm->addr, sm->ANonce, sm->SNonce,
+		       (u8 *) ptk, ptk_len,
+		       wpa_key_mgmt_sha256(sm->wpa_key_mgmt));
+
+	return 0;
+}
+
+
+SM_STATE(WPA_PTK, PTKCALCNEGOTIATING)
+{
+	struct wpa_ptk PTK;
+	int ok = 0;
+	const u8 *pmk = NULL;
+
+	SM_ENTRY_MA(WPA_PTK, PTKCALCNEGOTIATING, wpa_ptk);
+	sm->EAPOLKeyReceived = FALSE;
+
+	/* WPA with IEEE 802.1X: use the derived PMK from EAP
+	 * WPA-PSK: iterate through possible PSKs and select the one matching
+	 * the packet */
+	for (;;) {
+		if (wpa_key_mgmt_wpa_psk(sm->wpa_key_mgmt)) {
+			pmk = wpa_auth_get_psk(sm->wpa_auth, sm->addr, pmk);
+			if (pmk == NULL)
+				break;
+		} else
+			pmk = sm->PMK;
+
+		wpa_derive_ptk(sm, pmk, &PTK);
+
+		if (wpa_verify_key_mic(&PTK, sm->last_rx_eapol_key,
+				       sm->last_rx_eapol_key_len) == 0) {
+			ok = 1;
+			break;
+		}
+
+		if (!wpa_key_mgmt_wpa_psk(sm->wpa_key_mgmt))
+			break;
+	}
+
+	if (!ok) {
+		wpa_auth_logger(sm->wpa_auth, sm->addr, LOGGER_DEBUG,
+				"invalid MIC in msg 2/4 of 4-Way Handshake");
+		return;
+	}
+
+#ifdef CONFIG_IEEE80211R
+	if (sm->wpa == WPA_VERSION_WPA2 && wpa_key_mgmt_ft(sm->wpa_key_mgmt)) {
+		/*
+		 * Verify that PMKR1Name from EAPOL-Key message 2/4 matches
+		 * with the value we derived.
+		 */
+		if (os_memcmp(sm->sup_pmk_r1_name, sm->pmk_r1_name,
+			      WPA_PMK_NAME_LEN) != 0) {
+			wpa_auth_logger(sm->wpa_auth, sm->addr, LOGGER_DEBUG,
+					"PMKR1Name mismatch in FT 4-way "
+					"handshake");
+			wpa_hexdump(MSG_DEBUG, "FT: PMKR1Name from "
+				    "Supplicant",
+				    sm->sup_pmk_r1_name, WPA_PMK_NAME_LEN);
+			wpa_hexdump(MSG_DEBUG, "FT: Derived PMKR1Name",
+				    sm->pmk_r1_name, WPA_PMK_NAME_LEN);
+			return;
+		}
+	}
+#endif /* CONFIG_IEEE80211R */
+
+	sm->pending_1_of_4_timeout = 0;
+	eloop_cancel_timeout(wpa_send_eapol_timeout, sm->wpa_auth, sm);
+
+	if (wpa_key_mgmt_wpa_psk(sm->wpa_key_mgmt)) {
+		/* PSK may have changed from the previous choice, so update
+		 * state machine data based on whatever PSK was selected here.
+		 */
+		os_memcpy(sm->PMK, pmk, PMK_LEN);
+	}
+
+	sm->MICVerified = TRUE;
+
+	os_memcpy(&sm->PTK, &PTK, sizeof(PTK));
+	sm->PTK_valid = TRUE;
+}
+
+
+SM_STATE(WPA_PTK, PTKCALCNEGOTIATING2)
+{
+	SM_ENTRY_MA(WPA_PTK, PTKCALCNEGOTIATING2, wpa_ptk);
+	sm->TimeoutCtr = 0;
+}
+
+
+#ifdef CONFIG_IEEE80211W
+
+static int ieee80211w_kde_len(struct wpa_state_machine *sm)
+{
+	if (sm->mgmt_frame_prot) {
+		return 2 + RSN_SELECTOR_LEN + sizeof(struct wpa_igtk_kde);
+	}
+
+	return 0;
+}
+
+
+static u8 * ieee80211w_kde_add(struct wpa_state_machine *sm, u8 *pos)
+{
+	struct wpa_igtk_kde igtk;
+	struct wpa_group *gsm = sm->group;
+
+	if (!sm->mgmt_frame_prot)
+		return pos;
+
+	igtk.keyid[0] = gsm->GN_igtk;
+	igtk.keyid[1] = 0;
+	if (gsm->wpa_group_state != WPA_GROUP_SETKEYSDONE ||
+	    wpa_auth_get_seqnum(sm->wpa_auth, NULL, gsm->GN_igtk, igtk.pn) < 0)
+		os_memset(igtk.pn, 0, sizeof(igtk.pn));
+	os_memcpy(igtk.igtk, gsm->IGTK[gsm->GN_igtk - 4], WPA_IGTK_LEN);
+	pos = wpa_add_kde(pos, RSN_KEY_DATA_IGTK,
+			  (const u8 *) &igtk, sizeof(igtk), NULL, 0);
+
+	return pos;
+}
+
+#else /* CONFIG_IEEE80211W */
+
+static int ieee80211w_kde_len(struct wpa_state_machine *sm)
+{
+	return 0;
+}
+
+
+static u8 * ieee80211w_kde_add(struct wpa_state_machine *sm, u8 *pos)
+{
+	return pos;
+}
+
+#endif /* CONFIG_IEEE80211W */
+
+
+SM_STATE(WPA_PTK, PTKINITNEGOTIATING)
+{
+	u8 rsc[WPA_KEY_RSC_LEN], *_rsc, *gtk, *kde, *pos;
+	size_t gtk_len, kde_len;
+	struct wpa_group *gsm = sm->group;
+	u8 *wpa_ie;
+	int wpa_ie_len, secure, keyidx, encr = 0;
+
+	SM_ENTRY_MA(WPA_PTK, PTKINITNEGOTIATING, wpa_ptk);
+	sm->TimeoutEvt = FALSE;
+
+	sm->TimeoutCtr++;
+	if (sm->TimeoutCtr > (int) dot11RSNAConfigPairwiseUpdateCount) {
+		/* No point in sending the EAPOL-Key - we will disconnect
+		 * immediately following this. */
+		return;
+	}
+
+	/* Send EAPOL(1, 1, 1, Pair, P, RSC, ANonce, MIC(PTK), RSNIE, [MDIE],
+	   GTK[GN], IGTK, [FTIE], [TIE * 2])
+	 */
+	os_memset(rsc, 0, WPA_KEY_RSC_LEN);
+	wpa_auth_get_seqnum(sm->wpa_auth, NULL, gsm->GN, rsc);
+	/* If FT is used, wpa_auth->wpa_ie includes both RSNIE and MDIE */
+	wpa_ie = sm->wpa_auth->wpa_ie;
+	wpa_ie_len = sm->wpa_auth->wpa_ie_len;
+	if (sm->wpa == WPA_VERSION_WPA &&
+	    (sm->wpa_auth->conf.wpa & WPA_PROTO_RSN) &&
+	    wpa_ie_len > wpa_ie[1] + 2 && wpa_ie[0] == WLAN_EID_RSN) {
+		/* WPA-only STA, remove RSN IE */
+		wpa_ie = wpa_ie + wpa_ie[1] + 2;
+		wpa_ie_len = wpa_ie[1] + 2;
+	}
+	wpa_auth_logger(sm->wpa_auth, sm->addr, LOGGER_DEBUG,
+			"sending 3/4 msg of 4-Way Handshake");
+	if (sm->wpa == WPA_VERSION_WPA2) {
+		/* WPA2 send GTK in the 4-way handshake */
+		secure = 1;
+		gtk = gsm->GTK[gsm->GN - 1];
+		gtk_len = gsm->GTK_len;
+		keyidx = gsm->GN;
+		_rsc = rsc;
+		encr = 1;
+	} else {
+		/* WPA does not include GTK in msg 3/4 */
+		secure = 0;
+		gtk = NULL;
+		gtk_len = 0;
+		keyidx = 0;
+		_rsc = NULL;
+	}
+
+	kde_len = wpa_ie_len + ieee80211w_kde_len(sm);
+	if (gtk)
+		kde_len += 2 + RSN_SELECTOR_LEN + 2 + gtk_len;
+#ifdef CONFIG_IEEE80211R
+	if (wpa_key_mgmt_ft(sm->wpa_key_mgmt)) {
+		kde_len += 2 + PMKID_LEN; /* PMKR1Name into RSN IE */
+		kde_len += 300; /* FTIE + 2 * TIE */
+	}
+#endif /* CONFIG_IEEE80211R */
+	kde = os_malloc(kde_len);
+	if (kde == NULL)
+		return;
+
+	pos = kde;
+	os_memcpy(pos, wpa_ie, wpa_ie_len);
+	pos += wpa_ie_len;
+#ifdef CONFIG_IEEE80211R
+	if (wpa_key_mgmt_ft(sm->wpa_key_mgmt)) {
+		int res = wpa_insert_pmkid(kde, pos - kde, sm->pmk_r1_name);
+		if (res < 0) {
+			wpa_printf(MSG_ERROR, "FT: Failed to insert "
+				   "PMKR1Name into RSN IE in EAPOL-Key data");
+			os_free(kde);
+			return;
+		}
+		pos += res;
+	}
+#endif /* CONFIG_IEEE80211R */
+	if (gtk) {
+		u8 hdr[2];
+		hdr[0] = keyidx & 0x03;
+		hdr[1] = 0;
+		pos = wpa_add_kde(pos, RSN_KEY_DATA_GROUPKEY, hdr, 2,
+				  gtk, gtk_len);
+	}
+	pos = ieee80211w_kde_add(sm, pos);
+
+#ifdef CONFIG_IEEE80211R
+	if (wpa_key_mgmt_ft(sm->wpa_key_mgmt)) {
+		int res;
+		struct wpa_auth_config *conf;
+
+		conf = &sm->wpa_auth->conf;
+		res = wpa_write_ftie(conf, conf->r0_key_holder,
+				     conf->r0_key_holder_len,
+				     NULL, NULL, pos, kde + kde_len - pos,
+				     NULL, 0);
+		if (res < 0) {
+			wpa_printf(MSG_ERROR, "FT: Failed to insert FTIE "
+				   "into EAPOL-Key Key Data");
+			os_free(kde);
+			return;
+		}
+		pos += res;
+
+		/* TIE[ReassociationDeadline] (TU) */
+		*pos++ = WLAN_EID_TIMEOUT_INTERVAL;
+		*pos++ = 5;
+		*pos++ = WLAN_TIMEOUT_REASSOC_DEADLINE;
+		WPA_PUT_LE32(pos, conf->reassociation_deadline);
+		pos += 4;
+
+		/* TIE[KeyLifetime] (seconds) */
+		*pos++ = WLAN_EID_TIMEOUT_INTERVAL;
+		*pos++ = 5;
+		*pos++ = WLAN_TIMEOUT_KEY_LIFETIME;
+		WPA_PUT_LE32(pos, conf->r0_key_lifetime * 60);
+		pos += 4;
+	}
+#endif /* CONFIG_IEEE80211R */
+
+	wpa_send_eapol(sm->wpa_auth, sm,
+		       (secure ? WPA_KEY_INFO_SECURE : 0) | WPA_KEY_INFO_MIC |
+		       WPA_KEY_INFO_ACK | WPA_KEY_INFO_INSTALL |
+		       WPA_KEY_INFO_KEY_TYPE,
+		       _rsc, sm->ANonce, kde, pos - kde, keyidx, encr);
+	os_free(kde);
+}
+
+
+SM_STATE(WPA_PTK, PTKINITDONE)
+{
+	SM_ENTRY_MA(WPA_PTK, PTKINITDONE, wpa_ptk);
+	sm->EAPOLKeyReceived = FALSE;
+	if (sm->Pair) {
+		enum wpa_alg alg;
+		int klen;
+		if (sm->pairwise == WPA_CIPHER_TKIP) {
+			alg = WPA_ALG_TKIP;
+			klen = 32;
+		} else {
+			alg = WPA_ALG_CCMP;
+			klen = 16;
+		}
+		if (wpa_auth_set_key(sm->wpa_auth, 0, alg, sm->addr, 0,
+				     sm->PTK.tk1, klen)) {
+			wpa_sta_disconnect(sm->wpa_auth, sm->addr);
+			return;
+		}
+		/* FIX: MLME-SetProtection.Request(TA, Tx_Rx) */
+		sm->pairwise_set = TRUE;
+
+		if (sm->wpa_auth->conf.wpa_ptk_rekey) {
+			eloop_cancel_timeout(wpa_rekey_ptk, sm->wpa_auth, sm);
+			eloop_register_timeout(sm->wpa_auth->conf.
+					       wpa_ptk_rekey, 0, wpa_rekey_ptk,
+					       sm->wpa_auth, sm);
+		}
+
+		if (wpa_key_mgmt_wpa_psk(sm->wpa_key_mgmt)) {
+			wpa_auth_set_eapol(sm->wpa_auth, sm->addr,
+					   WPA_EAPOL_authorized, 1);
+		}
+	}
+
+	if (0 /* IBSS == TRUE */) {
+		sm->keycount++;
+		if (sm->keycount == 2) {
+			wpa_auth_set_eapol(sm->wpa_auth, sm->addr,
+					   WPA_EAPOL_portValid, 1);
+		}
+	} else {
+		wpa_auth_set_eapol(sm->wpa_auth, sm->addr, WPA_EAPOL_portValid,
+				   1);
+	}
+	wpa_auth_set_eapol(sm->wpa_auth, sm->addr, WPA_EAPOL_keyAvailable, 0);
+	wpa_auth_set_eapol(sm->wpa_auth, sm->addr, WPA_EAPOL_keyDone, 1);
+	if (sm->wpa == WPA_VERSION_WPA)
+		sm->PInitAKeys = TRUE;
+	else
+		sm->has_GTK = TRUE;
+	wpa_auth_vlogger(sm->wpa_auth, sm->addr, LOGGER_INFO,
+			 "pairwise key handshake completed (%s)",
+			 sm->wpa == WPA_VERSION_WPA ? "WPA" : "RSN");
+
+#ifdef CONFIG_IEEE80211R
+	wpa_ft_push_pmk_r1(sm->wpa_auth, sm->addr);
+#endif /* CONFIG_IEEE80211R */
+}
+
+
+SM_STEP(WPA_PTK)
+{
+	struct wpa_authenticator *wpa_auth = sm->wpa_auth;
+
+	if (sm->Init)
+		SM_ENTER(WPA_PTK, INITIALIZE);
+	else if (sm->Disconnect
+		 /* || FIX: dot11RSNAConfigSALifetime timeout */) {
+		wpa_auth_logger(wpa_auth, sm->addr, LOGGER_DEBUG,
+				"WPA_PTK: sm->Disconnect");
+		SM_ENTER(WPA_PTK, DISCONNECT);
+	}
+	else if (sm->DeauthenticationRequest)
+		SM_ENTER(WPA_PTK, DISCONNECTED);
+	else if (sm->AuthenticationRequest)
+		SM_ENTER(WPA_PTK, AUTHENTICATION);
+	else if (sm->ReAuthenticationRequest)
+		SM_ENTER(WPA_PTK, AUTHENTICATION2);
+	else if (sm->PTKRequest)
+		SM_ENTER(WPA_PTK, PTKSTART);
+	else switch (sm->wpa_ptk_state) {
+	case WPA_PTK_INITIALIZE:
+		break;
+	case WPA_PTK_DISCONNECT:
+		SM_ENTER(WPA_PTK, DISCONNECTED);
+		break;
+	case WPA_PTK_DISCONNECTED:
+		SM_ENTER(WPA_PTK, INITIALIZE);
+		break;
+	case WPA_PTK_AUTHENTICATION:
+		SM_ENTER(WPA_PTK, AUTHENTICATION2);
+		break;
+	case WPA_PTK_AUTHENTICATION2:
+		if (wpa_key_mgmt_wpa_ieee8021x(sm->wpa_key_mgmt) &&
+		    wpa_auth_get_eapol(sm->wpa_auth, sm->addr,
+				       WPA_EAPOL_keyRun) > 0)
+			SM_ENTER(WPA_PTK, INITPMK);
+		else if (wpa_key_mgmt_wpa_psk(sm->wpa_key_mgmt)
+			 /* FIX: && 802.1X::keyRun */)
+			SM_ENTER(WPA_PTK, INITPSK);
+		break;
+	case WPA_PTK_INITPMK:
+		if (wpa_auth_get_eapol(sm->wpa_auth, sm->addr,
+				       WPA_EAPOL_keyAvailable) > 0)
+			SM_ENTER(WPA_PTK, PTKSTART);
+		else {
+			wpa_auth->dot11RSNA4WayHandshakeFailures++;
+			wpa_auth_logger(sm->wpa_auth, sm->addr, LOGGER_INFO,
+					"INITPMK - keyAvailable = false");
+			SM_ENTER(WPA_PTK, DISCONNECT);
+		}
+		break;
+	case WPA_PTK_INITPSK:
+		if (wpa_auth_get_psk(sm->wpa_auth, sm->addr, NULL))
+			SM_ENTER(WPA_PTK, PTKSTART);
+		else {
+			wpa_auth_logger(sm->wpa_auth, sm->addr, LOGGER_INFO,
+					"no PSK configured for the STA");
+			wpa_auth->dot11RSNA4WayHandshakeFailures++;
+			SM_ENTER(WPA_PTK, DISCONNECT);
+		}
+		break;
+	case WPA_PTK_PTKSTART:
+		if (sm->EAPOLKeyReceived && !sm->EAPOLKeyRequest &&
+		    sm->EAPOLKeyPairwise)
+			SM_ENTER(WPA_PTK, PTKCALCNEGOTIATING);
+		else if (sm->TimeoutCtr >
+			 (int) dot11RSNAConfigPairwiseUpdateCount) {
+			wpa_auth->dot11RSNA4WayHandshakeFailures++;
+			wpa_auth_vlogger(sm->wpa_auth, sm->addr, LOGGER_DEBUG,
+					 "PTKSTART: Retry limit %d reached",
+					 dot11RSNAConfigPairwiseUpdateCount);
+			SM_ENTER(WPA_PTK, DISCONNECT);
+		} else if (sm->TimeoutEvt)
+			SM_ENTER(WPA_PTK, PTKSTART);
+		break;
+	case WPA_PTK_PTKCALCNEGOTIATING:
+		if (sm->MICVerified)
+			SM_ENTER(WPA_PTK, PTKCALCNEGOTIATING2);
+		else if (sm->EAPOLKeyReceived && !sm->EAPOLKeyRequest &&
+			 sm->EAPOLKeyPairwise)
+			SM_ENTER(WPA_PTK, PTKCALCNEGOTIATING);
+		else if (sm->TimeoutEvt)
+			SM_ENTER(WPA_PTK, PTKSTART);
+		break;
+	case WPA_PTK_PTKCALCNEGOTIATING2:
+		SM_ENTER(WPA_PTK, PTKINITNEGOTIATING);
+		break;
+	case WPA_PTK_PTKINITNEGOTIATING:
+		if (sm->EAPOLKeyReceived && !sm->EAPOLKeyRequest &&
+		    sm->EAPOLKeyPairwise && sm->MICVerified)
+			SM_ENTER(WPA_PTK, PTKINITDONE);
+		else if (sm->TimeoutCtr >
+			 (int) dot11RSNAConfigPairwiseUpdateCount) {
+			wpa_auth->dot11RSNA4WayHandshakeFailures++;
+			wpa_auth_vlogger(sm->wpa_auth, sm->addr, LOGGER_DEBUG,
+					 "PTKINITNEGOTIATING: Retry limit %d "
+					 "reached",
+					 dot11RSNAConfigPairwiseUpdateCount);
+			SM_ENTER(WPA_PTK, DISCONNECT);
+		} else if (sm->TimeoutEvt)
+			SM_ENTER(WPA_PTK, PTKINITNEGOTIATING);
+		break;
+	case WPA_PTK_PTKINITDONE:
+		break;
+	}
+}
+
+
+SM_STATE(WPA_PTK_GROUP, IDLE)
+{
+	SM_ENTRY_MA(WPA_PTK_GROUP, IDLE, wpa_ptk_group);
+	if (sm->Init) {
+		/* Init flag is not cleared here, so avoid busy
+		 * loop by claiming nothing changed. */
+		sm->changed = FALSE;
+	}
+	sm->GTimeoutCtr = 0;
+}
+
+
+SM_STATE(WPA_PTK_GROUP, REKEYNEGOTIATING)
+{
+	u8 rsc[WPA_KEY_RSC_LEN];
+	struct wpa_group *gsm = sm->group;
+	u8 *kde, *pos, hdr[2];
+	size_t kde_len;
+
+	SM_ENTRY_MA(WPA_PTK_GROUP, REKEYNEGOTIATING, wpa_ptk_group);
+
+	sm->GTimeoutCtr++;
+	if (sm->GTimeoutCtr > (int) dot11RSNAConfigGroupUpdateCount) {
+		/* No point in sending the EAPOL-Key - we will disconnect
+		 * immediately following this. */
+		return;
+	}
+
+	if (sm->wpa == WPA_VERSION_WPA)
+		sm->PInitAKeys = FALSE;
+	sm->TimeoutEvt = FALSE;
+	/* Send EAPOL(1, 1, 1, !Pair, G, RSC, GNonce, MIC(PTK), GTK[GN]) */
+	os_memset(rsc, 0, WPA_KEY_RSC_LEN);
+	if (gsm->wpa_group_state == WPA_GROUP_SETKEYSDONE)
+		wpa_auth_get_seqnum(sm->wpa_auth, NULL, gsm->GN, rsc);
+	wpa_auth_logger(sm->wpa_auth, sm->addr, LOGGER_DEBUG,
+			"sending 1/2 msg of Group Key Handshake");
+
+	if (sm->wpa == WPA_VERSION_WPA2) {
+		kde_len = 2 + RSN_SELECTOR_LEN + 2 + gsm->GTK_len +
+			ieee80211w_kde_len(sm);
+		kde = os_malloc(kde_len);
+		if (kde == NULL)
+			return;
+
+		pos = kde;
+		hdr[0] = gsm->GN & 0x03;
+		hdr[1] = 0;
+		pos = wpa_add_kde(pos, RSN_KEY_DATA_GROUPKEY, hdr, 2,
+				  gsm->GTK[gsm->GN - 1], gsm->GTK_len);
+		pos = ieee80211w_kde_add(sm, pos);
+	} else {
+		kde = gsm->GTK[gsm->GN - 1];
+		pos = kde + gsm->GTK_len;
+	}
+
+	wpa_send_eapol(sm->wpa_auth, sm,
+		       WPA_KEY_INFO_SECURE | WPA_KEY_INFO_MIC |
+		       WPA_KEY_INFO_ACK |
+		       (!sm->Pair ? WPA_KEY_INFO_INSTALL : 0),
+		       rsc, gsm->GNonce, kde, pos - kde, gsm->GN, 1);
+	if (sm->wpa == WPA_VERSION_WPA2)
+		os_free(kde);
+}
+
+
+SM_STATE(WPA_PTK_GROUP, REKEYESTABLISHED)
+{
+	SM_ENTRY_MA(WPA_PTK_GROUP, REKEYESTABLISHED, wpa_ptk_group);
+	sm->EAPOLKeyReceived = FALSE;
+	if (sm->GUpdateStationKeys)
+		sm->group->GKeyDoneStations--;
+	sm->GUpdateStationKeys = FALSE;
+	sm->GTimeoutCtr = 0;
+	/* FIX: MLME.SetProtection.Request(TA, Tx_Rx) */
+	wpa_auth_vlogger(sm->wpa_auth, sm->addr, LOGGER_INFO,
+			 "group key handshake completed (%s)",
+			 sm->wpa == WPA_VERSION_WPA ? "WPA" : "RSN");
+	sm->has_GTK = TRUE;
+}
+
+
+SM_STATE(WPA_PTK_GROUP, KEYERROR)
+{
+	SM_ENTRY_MA(WPA_PTK_GROUP, KEYERROR, wpa_ptk_group);
+	if (sm->GUpdateStationKeys)
+		sm->group->GKeyDoneStations--;
+	sm->GUpdateStationKeys = FALSE;
+	sm->Disconnect = TRUE;
+}
+
+
+SM_STEP(WPA_PTK_GROUP)
+{
+	if (sm->Init || sm->PtkGroupInit) {
+		SM_ENTER(WPA_PTK_GROUP, IDLE);
+		sm->PtkGroupInit = FALSE;
+	} else switch (sm->wpa_ptk_group_state) {
+	case WPA_PTK_GROUP_IDLE:
+		if (sm->GUpdateStationKeys ||
+		    (sm->wpa == WPA_VERSION_WPA && sm->PInitAKeys))
+			SM_ENTER(WPA_PTK_GROUP, REKEYNEGOTIATING);
+		break;
+	case WPA_PTK_GROUP_REKEYNEGOTIATING:
+		if (sm->EAPOLKeyReceived && !sm->EAPOLKeyRequest &&
+		    !sm->EAPOLKeyPairwise && sm->MICVerified)
+			SM_ENTER(WPA_PTK_GROUP, REKEYESTABLISHED);
+		else if (sm->GTimeoutCtr >
+			 (int) dot11RSNAConfigGroupUpdateCount)
+			SM_ENTER(WPA_PTK_GROUP, KEYERROR);
+		else if (sm->TimeoutEvt)
+			SM_ENTER(WPA_PTK_GROUP, REKEYNEGOTIATING);
+		break;
+	case WPA_PTK_GROUP_KEYERROR:
+		SM_ENTER(WPA_PTK_GROUP, IDLE);
+		break;
+	case WPA_PTK_GROUP_REKEYESTABLISHED:
+		SM_ENTER(WPA_PTK_GROUP, IDLE);
+		break;
+	}
+}
+
+
+static int wpa_gtk_update(struct wpa_authenticator *wpa_auth,
+			  struct wpa_group *group)
+{
+	int ret = 0;
+
+	os_memcpy(group->GNonce, group->Counter, WPA_NONCE_LEN);
+	inc_byte_array(group->Counter, WPA_NONCE_LEN);
+	if (wpa_gmk_to_gtk(group->GMK, "Group key expansion",
+			   wpa_auth->addr, group->GNonce,
+			   group->GTK[group->GN - 1], group->GTK_len) < 0)
+		ret = -1;
+	wpa_hexdump_key(MSG_DEBUG, "GTK",
+			group->GTK[group->GN - 1], group->GTK_len);
+
+#ifdef CONFIG_IEEE80211W
+	if (wpa_auth->conf.ieee80211w != NO_MGMT_FRAME_PROTECTION) {
+		os_memcpy(group->GNonce, group->Counter, WPA_NONCE_LEN);
+		inc_byte_array(group->Counter, WPA_NONCE_LEN);
+		if (wpa_gmk_to_gtk(group->GMK, "IGTK key expansion",
+				   wpa_auth->addr, group->GNonce,
+				   group->IGTK[group->GN_igtk - 4],
+				   WPA_IGTK_LEN) < 0)
+			ret = -1;
+		wpa_hexdump_key(MSG_DEBUG, "IGTK",
+				group->IGTK[group->GN_igtk - 4], WPA_IGTK_LEN);
+	}
+#endif /* CONFIG_IEEE80211W */
+
+	return ret;
+}
+
+
+static void wpa_group_gtk_init(struct wpa_authenticator *wpa_auth,
+			       struct wpa_group *group)
+{
+	wpa_printf(MSG_DEBUG, "WPA: group state machine entering state "
+		   "GTK_INIT (VLAN-ID %d)", group->vlan_id);
+	group->changed = FALSE; /* GInit is not cleared here; avoid loop */
+	group->wpa_group_state = WPA_GROUP_GTK_INIT;
+
+	/* GTK[0..N] = 0 */
+	os_memset(group->GTK, 0, sizeof(group->GTK));
+	group->GN = 1;
+	group->GM = 2;
+#ifdef CONFIG_IEEE80211W
+	group->GN_igtk = 4;
+	group->GM_igtk = 5;
+#endif /* CONFIG_IEEE80211W */
+	/* GTK[GN] = CalcGTK() */
+	wpa_gtk_update(wpa_auth, group);
+}
+
+
+static int wpa_group_update_sta(struct wpa_state_machine *sm, void *ctx)
+{
+	if (sm->wpa_ptk_state != WPA_PTK_PTKINITDONE) {
+		wpa_auth_logger(sm->wpa_auth, sm->addr, LOGGER_DEBUG,
+				"Not in PTKINITDONE; skip Group Key update");
+		sm->GUpdateStationKeys = FALSE;
+		return 0;
+	}
+	if (sm->GUpdateStationKeys) {
+		/*
+		 * This should not really happen, so add a debug log entry.
+		 * Since we clear the GKeyDoneStations before the loop, the
+		 * station needs to be counted here anyway.
+		 */
+		wpa_auth_logger(sm->wpa_auth, sm->addr, LOGGER_DEBUG,
+				"GUpdateStationKeys was already set when "
+				"marking station for GTK rekeying");
+	}
+
+	sm->group->GKeyDoneStations++;
+	sm->GUpdateStationKeys = TRUE;
+
+	wpa_sm_step(sm);
+	return 0;
+}
+
+
+static void wpa_group_setkeys(struct wpa_authenticator *wpa_auth,
+			      struct wpa_group *group)
+{
+	int tmp;
+
+	wpa_printf(MSG_DEBUG, "WPA: group state machine entering state "
+		   "SETKEYS (VLAN-ID %d)", group->vlan_id);
+	group->changed = TRUE;
+	group->wpa_group_state = WPA_GROUP_SETKEYS;
+	group->GTKReKey = FALSE;
+	tmp = group->GM;
+	group->GM = group->GN;
+	group->GN = tmp;
+#ifdef CONFIG_IEEE80211W
+	tmp = group->GM_igtk;
+	group->GM_igtk = group->GN_igtk;
+	group->GN_igtk = tmp;
+#endif /* CONFIG_IEEE80211W */
+	/* "GKeyDoneStations = GNoStations" is done in more robust way by
+	 * counting the STAs that are marked with GUpdateStationKeys instead of
+	 * including all STAs that could be in not-yet-completed state. */
+	wpa_gtk_update(wpa_auth, group);
+
+	if (group->GKeyDoneStations) {
+		wpa_printf(MSG_DEBUG, "wpa_group_setkeys: Unexpected "
+			   "GKeyDoneStations=%d when starting new GTK rekey",
+			   group->GKeyDoneStations);
+		group->GKeyDoneStations = 0;
+	}
+	wpa_auth_for_each_sta(wpa_auth, wpa_group_update_sta, NULL);
+	wpa_printf(MSG_DEBUG, "wpa_group_setkeys: GKeyDoneStations=%d",
+		   group->GKeyDoneStations);
+}
+
+
+static int wpa_group_config_group_keys(struct wpa_authenticator *wpa_auth,
+				       struct wpa_group *group)
+{
+	int ret = 0;
+
+	if (wpa_auth_set_key(wpa_auth, group->vlan_id,
+			     wpa_alg_enum(wpa_auth->conf.wpa_group),
+			     broadcast_ether_addr, group->GN,
+			     group->GTK[group->GN - 1], group->GTK_len) < 0)
+		ret = -1;
+
+#ifdef CONFIG_IEEE80211W
+	if (wpa_auth->conf.ieee80211w != NO_MGMT_FRAME_PROTECTION &&
+	    wpa_auth_set_key(wpa_auth, group->vlan_id, WPA_ALG_IGTK,
+			     broadcast_ether_addr, group->GN_igtk,
+			     group->IGTK[group->GN_igtk - 4],
+			     WPA_IGTK_LEN) < 0)
+		ret = -1;
+#endif /* CONFIG_IEEE80211W */
+
+	return ret;
+}
+
+
+static int wpa_group_setkeysdone(struct wpa_authenticator *wpa_auth,
+				 struct wpa_group *group)
+{
+	wpa_printf(MSG_DEBUG, "WPA: group state machine entering state "
+		   "SETKEYSDONE (VLAN-ID %d)", group->vlan_id);
+	group->changed = TRUE;
+	group->wpa_group_state = WPA_GROUP_SETKEYSDONE;
+
+	if (wpa_group_config_group_keys(wpa_auth, group) < 0)
+		return -1;
+
+	return 0;
+}
+
+
+static void wpa_group_sm_step(struct wpa_authenticator *wpa_auth,
+			      struct wpa_group *group)
+{
+	if (group->GInit) {
+		wpa_group_gtk_init(wpa_auth, group);
+	} else if (group->wpa_group_state == WPA_GROUP_GTK_INIT &&
+		   group->GTKAuthenticator) {
+		wpa_group_setkeysdone(wpa_auth, group);
+	} else if (group->wpa_group_state == WPA_GROUP_SETKEYSDONE &&
+		   group->GTKReKey) {
+		wpa_group_setkeys(wpa_auth, group);
+	} else if (group->wpa_group_state == WPA_GROUP_SETKEYS) {
+		if (group->GKeyDoneStations == 0)
+			wpa_group_setkeysdone(wpa_auth, group);
+		else if (group->GTKReKey)
+			wpa_group_setkeys(wpa_auth, group);
+	}
+}
+
+
+static int wpa_sm_step(struct wpa_state_machine *sm)
+{
+	if (sm == NULL)
+		return 0;
+
+	if (sm->in_step_loop) {
+		/* This should not happen, but if it does, make sure we do not
+		 * end up freeing the state machine too early by exiting the
+		 * recursive call. */
+		wpa_printf(MSG_ERROR, "WPA: wpa_sm_step() called recursively");
+		return 0;
+	}
+
+	sm->in_step_loop = 1;
+	do {
+		if (sm->pending_deinit)
+			break;
+
+		sm->changed = FALSE;
+		sm->wpa_auth->group->changed = FALSE;
+
+		SM_STEP_RUN(WPA_PTK);
+		if (sm->pending_deinit)
+			break;
+		SM_STEP_RUN(WPA_PTK_GROUP);
+		if (sm->pending_deinit)
+			break;
+		wpa_group_sm_step(sm->wpa_auth, sm->group);
+	} while (sm->changed || sm->wpa_auth->group->changed);
+	sm->in_step_loop = 0;
+
+	if (sm->pending_deinit) {
+		wpa_printf(MSG_DEBUG, "WPA: Completing pending STA state "
+			   "machine deinit for " MACSTR, MAC2STR(sm->addr));
+		wpa_free_sta_sm(sm);
+		return 1;
+	}
+	return 0;
+}
+
+
+static void wpa_sm_call_step(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_state_machine *sm = eloop_ctx;
+	wpa_sm_step(sm);
+}
+
+
+void wpa_auth_sm_notify(struct wpa_state_machine *sm)
+{
+	if (sm == NULL)
+		return;
+	eloop_register_timeout(0, 0, wpa_sm_call_step, sm, NULL);
+}
+
+
+void wpa_gtk_rekey(struct wpa_authenticator *wpa_auth)
+{
+	int tmp, i;
+	struct wpa_group *group;
+
+	if (wpa_auth == NULL)
+		return;
+
+	group = wpa_auth->group;
+
+	for (i = 0; i < 2; i++) {
+		tmp = group->GM;
+		group->GM = group->GN;
+		group->GN = tmp;
+#ifdef CONFIG_IEEE80211W
+		tmp = group->GM_igtk;
+		group->GM_igtk = group->GN_igtk;
+		group->GN_igtk = tmp;
+#endif /* CONFIG_IEEE80211W */
+		wpa_gtk_update(wpa_auth, group);
+	}
+}
+
+
+static const char * wpa_bool_txt(int bool)
+{
+	return bool ? "TRUE" : "FALSE";
+}
+
+
+static int wpa_cipher_bits(int cipher)
+{
+	switch (cipher) {
+	case WPA_CIPHER_CCMP:
+		return 128;
+	case WPA_CIPHER_TKIP:
+		return 256;
+	case WPA_CIPHER_WEP104:
+		return 104;
+	case WPA_CIPHER_WEP40:
+		return 40;
+	default:
+		return 0;
+	}
+}
+
+
+#define RSN_SUITE "%02x-%02x-%02x-%d"
+#define RSN_SUITE_ARG(s) \
+((s) >> 24) & 0xff, ((s) >> 16) & 0xff, ((s) >> 8) & 0xff, (s) & 0xff
+
+int wpa_get_mib(struct wpa_authenticator *wpa_auth, char *buf, size_t buflen)
+{
+	int len = 0, ret;
+	char pmkid_txt[PMKID_LEN * 2 + 1];
+#ifdef CONFIG_RSN_PREAUTH
+	const int preauth = 1;
+#else /* CONFIG_RSN_PREAUTH */
+	const int preauth = 0;
+#endif /* CONFIG_RSN_PREAUTH */
+
+	if (wpa_auth == NULL)
+		return len;
+
+	ret = os_snprintf(buf + len, buflen - len,
+			  "dot11RSNAOptionImplemented=TRUE\n"
+			  "dot11RSNAPreauthenticationImplemented=%s\n"
+			  "dot11RSNAEnabled=%s\n"
+			  "dot11RSNAPreauthenticationEnabled=%s\n",
+			  wpa_bool_txt(preauth),
+			  wpa_bool_txt(wpa_auth->conf.wpa & WPA_PROTO_RSN),
+			  wpa_bool_txt(wpa_auth->conf.rsn_preauth));
+	if (ret < 0 || (size_t) ret >= buflen - len)
+		return len;
+	len += ret;
+
+	wpa_snprintf_hex(pmkid_txt, sizeof(pmkid_txt),
+			 wpa_auth->dot11RSNAPMKIDUsed, PMKID_LEN);
+
+	ret = os_snprintf(
+		buf + len, buflen - len,
+		"dot11RSNAConfigVersion=%u\n"
+		"dot11RSNAConfigPairwiseKeysSupported=9999\n"
+		/* FIX: dot11RSNAConfigGroupCipher */
+		/* FIX: dot11RSNAConfigGroupRekeyMethod */
+		/* FIX: dot11RSNAConfigGroupRekeyTime */
+		/* FIX: dot11RSNAConfigGroupRekeyPackets */
+		"dot11RSNAConfigGroupRekeyStrict=%u\n"
+		"dot11RSNAConfigGroupUpdateCount=%u\n"
+		"dot11RSNAConfigPairwiseUpdateCount=%u\n"
+		"dot11RSNAConfigGroupCipherSize=%u\n"
+		"dot11RSNAConfigPMKLifetime=%u\n"
+		"dot11RSNAConfigPMKReauthThreshold=%u\n"
+		"dot11RSNAConfigNumberOfPTKSAReplayCounters=0\n"
+		"dot11RSNAConfigSATimeout=%u\n"
+		"dot11RSNAAuthenticationSuiteSelected=" RSN_SUITE "\n"
+		"dot11RSNAPairwiseCipherSelected=" RSN_SUITE "\n"
+		"dot11RSNAGroupCipherSelected=" RSN_SUITE "\n"
+		"dot11RSNAPMKIDUsed=%s\n"
+		"dot11RSNAAuthenticationSuiteRequested=" RSN_SUITE "\n"
+		"dot11RSNAPairwiseCipherRequested=" RSN_SUITE "\n"
+		"dot11RSNAGroupCipherRequested=" RSN_SUITE "\n"
+		"dot11RSNATKIPCounterMeasuresInvoked=%u\n"
+		"dot11RSNA4WayHandshakeFailures=%u\n"
+		"dot11RSNAConfigNumberOfGTKSAReplayCounters=0\n",
+		RSN_VERSION,
+		!!wpa_auth->conf.wpa_strict_rekey,
+		dot11RSNAConfigGroupUpdateCount,
+		dot11RSNAConfigPairwiseUpdateCount,
+		wpa_cipher_bits(wpa_auth->conf.wpa_group),
+		dot11RSNAConfigPMKLifetime,
+		dot11RSNAConfigPMKReauthThreshold,
+		dot11RSNAConfigSATimeout,
+		RSN_SUITE_ARG(wpa_auth->dot11RSNAAuthenticationSuiteSelected),
+		RSN_SUITE_ARG(wpa_auth->dot11RSNAPairwiseCipherSelected),
+		RSN_SUITE_ARG(wpa_auth->dot11RSNAGroupCipherSelected),
+		pmkid_txt,
+		RSN_SUITE_ARG(wpa_auth->dot11RSNAAuthenticationSuiteRequested),
+		RSN_SUITE_ARG(wpa_auth->dot11RSNAPairwiseCipherRequested),
+		RSN_SUITE_ARG(wpa_auth->dot11RSNAGroupCipherRequested),
+		wpa_auth->dot11RSNATKIPCounterMeasuresInvoked,
+		wpa_auth->dot11RSNA4WayHandshakeFailures);
+	if (ret < 0 || (size_t) ret >= buflen - len)
+		return len;
+	len += ret;
+
+	/* TODO: dot11RSNAConfigPairwiseCiphersTable */
+	/* TODO: dot11RSNAConfigAuthenticationSuitesTable */
+
+	/* Private MIB */
+	ret = os_snprintf(buf + len, buflen - len, "hostapdWPAGroupState=%d\n",
+			  wpa_auth->group->wpa_group_state);
+	if (ret < 0 || (size_t) ret >= buflen - len)
+		return len;
+	len += ret;
+
+	return len;
+}
+
+
+int wpa_get_mib_sta(struct wpa_state_machine *sm, char *buf, size_t buflen)
+{
+	int len = 0, ret;
+	u32 pairwise = 0;
+
+	if (sm == NULL)
+		return 0;
+
+	/* TODO: FF-FF-FF-FF-FF-FF entry for broadcast/multicast stats */
+
+	/* dot11RSNAStatsEntry */
+
+	if (sm->wpa == WPA_VERSION_WPA) {
+		if (sm->pairwise == WPA_CIPHER_CCMP)
+			pairwise = WPA_CIPHER_SUITE_CCMP;
+		else if (sm->pairwise == WPA_CIPHER_TKIP)
+			pairwise = WPA_CIPHER_SUITE_TKIP;
+		else if (sm->pairwise == WPA_CIPHER_WEP104)
+			pairwise = WPA_CIPHER_SUITE_WEP104;
+		else if (sm->pairwise == WPA_CIPHER_WEP40)
+			pairwise = WPA_CIPHER_SUITE_WEP40;
+		else if (sm->pairwise == WPA_CIPHER_NONE)
+			pairwise = WPA_CIPHER_SUITE_NONE;
+	} else if (sm->wpa == WPA_VERSION_WPA2) {
+		if (sm->pairwise == WPA_CIPHER_CCMP)
+			pairwise = RSN_CIPHER_SUITE_CCMP;
+		else if (sm->pairwise == WPA_CIPHER_TKIP)
+			pairwise = RSN_CIPHER_SUITE_TKIP;
+		else if (sm->pairwise == WPA_CIPHER_WEP104)
+			pairwise = RSN_CIPHER_SUITE_WEP104;
+		else if (sm->pairwise == WPA_CIPHER_WEP40)
+			pairwise = RSN_CIPHER_SUITE_WEP40;
+		else if (sm->pairwise == WPA_CIPHER_NONE)
+			pairwise = RSN_CIPHER_SUITE_NONE;
+	} else
+		return 0;
+
+	ret = os_snprintf(
+		buf + len, buflen - len,
+		/* TODO: dot11RSNAStatsIndex */
+		"dot11RSNAStatsSTAAddress=" MACSTR "\n"
+		"dot11RSNAStatsVersion=1\n"
+		"dot11RSNAStatsSelectedPairwiseCipher=" RSN_SUITE "\n"
+		/* TODO: dot11RSNAStatsTKIPICVErrors */
+		"dot11RSNAStatsTKIPLocalMICFailures=%u\n"
+		"dot11RSNAStatsTKIPRemoteMICFailures=%u\n"
+		/* TODO: dot11RSNAStatsCCMPReplays */
+		/* TODO: dot11RSNAStatsCCMPDecryptErrors */
+		/* TODO: dot11RSNAStatsTKIPReplays */,
+		MAC2STR(sm->addr),
+		RSN_SUITE_ARG(pairwise),
+		sm->dot11RSNAStatsTKIPLocalMICFailures,
+		sm->dot11RSNAStatsTKIPRemoteMICFailures);
+	if (ret < 0 || (size_t) ret >= buflen - len)
+		return len;
+	len += ret;
+
+	/* Private MIB */
+	ret = os_snprintf(buf + len, buflen - len,
+			  "hostapdWPAPTKState=%d\n"
+			  "hostapdWPAPTKGroupState=%d\n",
+			  sm->wpa_ptk_state,
+			  sm->wpa_ptk_group_state);
+	if (ret < 0 || (size_t) ret >= buflen - len)
+		return len;
+	len += ret;
+
+	return len;
+}
+
+
+void wpa_auth_countermeasures_start(struct wpa_authenticator *wpa_auth)
+{
+	if (wpa_auth)
+		wpa_auth->dot11RSNATKIPCounterMeasuresInvoked++;
+}
+
+
+int wpa_auth_pairwise_set(struct wpa_state_machine *sm)
+{
+	return sm && sm->pairwise_set;
+}
+
+
+int wpa_auth_get_pairwise(struct wpa_state_machine *sm)
+{
+	return sm->pairwise;
+}
+
+
+int wpa_auth_sta_key_mgmt(struct wpa_state_machine *sm)
+{
+	if (sm == NULL)
+		return -1;
+	return sm->wpa_key_mgmt;
+}
+
+
+int wpa_auth_sta_wpa_version(struct wpa_state_machine *sm)
+{
+	if (sm == NULL)
+		return 0;
+	return sm->wpa;
+}
+
+
+int wpa_auth_sta_clear_pmksa(struct wpa_state_machine *sm,
+			     struct rsn_pmksa_cache_entry *entry)
+{
+	if (sm == NULL || sm->pmksa != entry)
+		return -1;
+	sm->pmksa = NULL;
+	return 0;
+}
+
+
+struct rsn_pmksa_cache_entry *
+wpa_auth_sta_get_pmksa(struct wpa_state_machine *sm)
+{
+	return sm ? sm->pmksa : NULL;
+}
+
+
+void wpa_auth_sta_local_mic_failure_report(struct wpa_state_machine *sm)
+{
+	if (sm)
+		sm->dot11RSNAStatsTKIPLocalMICFailures++;
+}
+
+
+const u8 * wpa_auth_get_wpa_ie(struct wpa_authenticator *wpa_auth, size_t *len)
+{
+	if (wpa_auth == NULL)
+		return NULL;
+	*len = wpa_auth->wpa_ie_len;
+	return wpa_auth->wpa_ie;
+}
+
+
+int wpa_auth_pmksa_add(struct wpa_state_machine *sm, const u8 *pmk,
+		       int session_timeout, struct eapol_state_machine *eapol)
+{
+	if (sm == NULL || sm->wpa != WPA_VERSION_WPA2)
+		return -1;
+
+	if (pmksa_cache_auth_add(sm->wpa_auth->pmksa, pmk, PMK_LEN,
+				 sm->wpa_auth->addr, sm->addr, session_timeout,
+				 eapol, sm->wpa_key_mgmt))
+		return 0;
+
+	return -1;
+}
+
+
+int wpa_auth_pmksa_add_preauth(struct wpa_authenticator *wpa_auth,
+			       const u8 *pmk, size_t len, const u8 *sta_addr,
+			       int session_timeout,
+			       struct eapol_state_machine *eapol)
+{
+	if (wpa_auth == NULL)
+		return -1;
+
+	if (pmksa_cache_auth_add(wpa_auth->pmksa, pmk, len, wpa_auth->addr,
+				 sta_addr, session_timeout, eapol,
+				 WPA_KEY_MGMT_IEEE8021X))
+		return 0;
+
+	return -1;
+}
+
+
+static struct wpa_group *
+wpa_auth_add_group(struct wpa_authenticator *wpa_auth, int vlan_id)
+{
+	struct wpa_group *group;
+
+	if (wpa_auth == NULL || wpa_auth->group == NULL)
+		return NULL;
+
+	wpa_printf(MSG_DEBUG, "WPA: Add group state machine for VLAN-ID %d",
+		   vlan_id);
+	group = wpa_group_init(wpa_auth, vlan_id);
+	if (group == NULL)
+		return NULL;
+
+	group->next = wpa_auth->group->next;
+	wpa_auth->group->next = group;
+
+	return group;
+}
+
+
+int wpa_auth_sta_set_vlan(struct wpa_state_machine *sm, int vlan_id)
+{
+	struct wpa_group *group;
+
+	if (sm == NULL || sm->wpa_auth == NULL)
+		return 0;
+
+	group = sm->wpa_auth->group;
+	while (group) {
+		if (group->vlan_id == vlan_id)
+			break;
+		group = group->next;
+	}
+
+	if (group == NULL) {
+		group = wpa_auth_add_group(sm->wpa_auth, vlan_id);
+		if (group == NULL)
+			return -1;
+	}
+
+	if (sm->group == group)
+		return 0;
+
+	wpa_printf(MSG_DEBUG, "WPA: Moving STA " MACSTR " to use group state "
+		   "machine for VLAN ID %d", MAC2STR(sm->addr), vlan_id);
+
+	sm->group = group;
+	return 0;
+}
+
+
+void wpa_auth_eapol_key_tx_status(struct wpa_authenticator *wpa_auth,
+				  struct wpa_state_machine *sm, int ack)
+{
+	if (wpa_auth == NULL || sm == NULL)
+		return;
+	wpa_printf(MSG_DEBUG, "WPA: EAPOL-Key TX status for STA " MACSTR
+		   " ack=%d", MAC2STR(sm->addr), ack);
+	if (sm->pending_1_of_4_timeout && ack) {
+		/*
+		 * Some deployed supplicant implementations update their SNonce
+		 * for each EAPOL-Key 2/4 message even within the same 4-way
+		 * handshake and then fail to use the first SNonce when
+		 * deriving the PTK. This results in unsuccessful 4-way
+		 * handshake whenever the relatively short initial timeout is
+		 * reached and EAPOL-Key 1/4 is retransmitted. Try to work
+		 * around this by increasing the timeout now that we know that
+		 * the station has received the frame.
+		 */
+		int timeout_ms = eapol_key_timeout_subseq;
+		wpa_printf(MSG_DEBUG, "WPA: Increase initial EAPOL-Key 1/4 "
+			   "timeout by %u ms because of acknowledged frame",
+			   timeout_ms);
+		eloop_cancel_timeout(wpa_send_eapol_timeout, wpa_auth, sm);
+		eloop_register_timeout(timeout_ms / 1000,
+				       (timeout_ms % 1000) * 1000,
+				       wpa_send_eapol_timeout, wpa_auth, sm);
+	}
+}
diff --git a/src/ap/wpa_auth.h b/src/ap/wpa_auth.h
new file mode 100644
index 0000000..b3e1ff0
--- /dev/null
+++ b/src/ap/wpa_auth.h
@@ -0,0 +1,285 @@
+/*
+ * hostapd - IEEE 802.11i-2004 / WPA Authenticator
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef WPA_AUTH_H
+#define WPA_AUTH_H
+
+#include "common/defs.h"
+#include "common/eapol_common.h"
+#include "common/wpa_common.h"
+
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+/* IEEE Std 802.11r-2008, 11A.10.3 - Remote request/response frame definition
+ */
+struct ft_rrb_frame {
+	u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */
+	u8 packet_type; /* FT_PACKET_REQUEST/FT_PACKET_RESPONSE */
+	le16 action_length; /* little endian length of action_frame */
+	u8 ap_address[ETH_ALEN];
+	/*
+	 * Followed by action_length bytes of FT Action frame (from Category
+	 * field to the end of Action Frame body.
+	 */
+} STRUCT_PACKED;
+
+#define RSN_REMOTE_FRAME_TYPE_FT_RRB 1
+
+#define FT_PACKET_REQUEST 0
+#define FT_PACKET_RESPONSE 1
+/* Vendor-specific types for R0KH-R1KH protocol; not defined in 802.11r */
+#define FT_PACKET_R0KH_R1KH_PULL 200
+#define FT_PACKET_R0KH_R1KH_RESP 201
+#define FT_PACKET_R0KH_R1KH_PUSH 202
+
+#define FT_R0KH_R1KH_PULL_DATA_LEN 44
+#define FT_R0KH_R1KH_RESP_DATA_LEN 76
+#define FT_R0KH_R1KH_PUSH_DATA_LEN 88
+
+struct ft_r0kh_r1kh_pull_frame {
+	u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */
+	u8 packet_type; /* FT_PACKET_R0KH_R1KH_PULL */
+	le16 data_length; /* little endian length of data (44) */
+	u8 ap_address[ETH_ALEN];
+
+	u8 nonce[16];
+	u8 pmk_r0_name[WPA_PMK_NAME_LEN];
+	u8 r1kh_id[FT_R1KH_ID_LEN];
+	u8 s1kh_id[ETH_ALEN];
+	u8 pad[4]; /* 8-octet boundary for AES key wrap */
+	u8 key_wrap_extra[8];
+} STRUCT_PACKED;
+
+struct ft_r0kh_r1kh_resp_frame {
+	u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */
+	u8 packet_type; /* FT_PACKET_R0KH_R1KH_RESP */
+	le16 data_length; /* little endian length of data (76) */
+	u8 ap_address[ETH_ALEN];
+
+	u8 nonce[16]; /* copied from pull */
+	u8 r1kh_id[FT_R1KH_ID_LEN]; /* copied from pull */
+	u8 s1kh_id[ETH_ALEN]; /* copied from pull */
+	u8 pmk_r1[PMK_LEN];
+	u8 pmk_r1_name[WPA_PMK_NAME_LEN];
+	le16 pairwise;
+	u8 pad[2]; /* 8-octet boundary for AES key wrap */
+	u8 key_wrap_extra[8];
+} STRUCT_PACKED;
+
+struct ft_r0kh_r1kh_push_frame {
+	u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */
+	u8 packet_type; /* FT_PACKET_R0KH_R1KH_PUSH */
+	le16 data_length; /* little endian length of data (88) */
+	u8 ap_address[ETH_ALEN];
+
+	/* Encrypted with AES key-wrap */
+	u8 timestamp[4]; /* current time in seconds since unix epoch, little
+			  * endian */
+	u8 r1kh_id[FT_R1KH_ID_LEN];
+	u8 s1kh_id[ETH_ALEN];
+	u8 pmk_r0_name[WPA_PMK_NAME_LEN];
+	u8 pmk_r1[PMK_LEN];
+	u8 pmk_r1_name[WPA_PMK_NAME_LEN];
+	le16 pairwise;
+	u8 pad[6]; /* 8-octet boundary for AES key wrap */
+	u8 key_wrap_extra[8];
+} STRUCT_PACKED;
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+
+/* per STA state machine data */
+
+struct wpa_authenticator;
+struct wpa_state_machine;
+struct rsn_pmksa_cache_entry;
+struct eapol_state_machine;
+
+
+struct ft_remote_r0kh {
+	struct ft_remote_r0kh *next;
+	u8 addr[ETH_ALEN];
+	u8 id[FT_R0KH_ID_MAX_LEN];
+	size_t id_len;
+	u8 key[16];
+};
+
+
+struct ft_remote_r1kh {
+	struct ft_remote_r1kh *next;
+	u8 addr[ETH_ALEN];
+	u8 id[FT_R1KH_ID_LEN];
+	u8 key[16];
+};
+
+
+struct wpa_auth_config {
+	int wpa;
+	int wpa_key_mgmt;
+	int wpa_pairwise;
+	int wpa_group;
+	int wpa_group_rekey;
+	int wpa_strict_rekey;
+	int wpa_gmk_rekey;
+	int wpa_ptk_rekey;
+	int rsn_pairwise;
+	int rsn_preauth;
+	int eapol_version;
+	int peerkey;
+	int wmm_enabled;
+	int wmm_uapsd;
+	int okc;
+	int tx_status;
+#ifdef CONFIG_IEEE80211W
+	enum mfp_options ieee80211w;
+#endif /* CONFIG_IEEE80211W */
+#ifdef CONFIG_IEEE80211R
+#define SSID_LEN 32
+	u8 ssid[SSID_LEN];
+	size_t ssid_len;
+	u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
+	u8 r0_key_holder[FT_R0KH_ID_MAX_LEN];
+	size_t r0_key_holder_len;
+	u8 r1_key_holder[FT_R1KH_ID_LEN];
+	u32 r0_key_lifetime;
+	u32 reassociation_deadline;
+	struct ft_remote_r0kh *r0kh_list;
+	struct ft_remote_r1kh *r1kh_list;
+	int pmk_r1_push;
+	int ft_over_ds;
+#endif /* CONFIG_IEEE80211R */
+};
+
+typedef enum {
+	LOGGER_DEBUG, LOGGER_INFO, LOGGER_WARNING
+} logger_level;
+
+typedef enum {
+	WPA_EAPOL_portEnabled, WPA_EAPOL_portValid, WPA_EAPOL_authorized,
+	WPA_EAPOL_portControl_Auto, WPA_EAPOL_keyRun, WPA_EAPOL_keyAvailable,
+	WPA_EAPOL_keyDone, WPA_EAPOL_inc_EapolFramesTx
+} wpa_eapol_variable;
+
+struct wpa_auth_callbacks {
+	void *ctx;
+	void (*logger)(void *ctx, const u8 *addr, logger_level level,
+		       const char *txt);
+	void (*disconnect)(void *ctx, const u8 *addr, u16 reason);
+	void (*mic_failure_report)(void *ctx, const u8 *addr);
+	void (*set_eapol)(void *ctx, const u8 *addr, wpa_eapol_variable var,
+			  int value);
+	int (*get_eapol)(void *ctx, const u8 *addr, wpa_eapol_variable var);
+	const u8 * (*get_psk)(void *ctx, const u8 *addr, const u8 *prev_psk);
+	int (*get_msk)(void *ctx, const u8 *addr, u8 *msk, size_t *len);
+	int (*set_key)(void *ctx, int vlan_id, enum wpa_alg alg,
+		       const u8 *addr, int idx, u8 *key, size_t key_len);
+	int (*get_seqnum)(void *ctx, const u8 *addr, int idx, u8 *seq);
+	int (*send_eapol)(void *ctx, const u8 *addr, const u8 *data,
+			  size_t data_len, int encrypt);
+	int (*for_each_sta)(void *ctx, int (*cb)(struct wpa_state_machine *sm,
+						 void *ctx), void *cb_ctx);
+	int (*for_each_auth)(void *ctx, int (*cb)(struct wpa_authenticator *a,
+						  void *ctx), void *cb_ctx);
+	int (*send_ether)(void *ctx, const u8 *dst, u16 proto, const u8 *data,
+			  size_t data_len);
+#ifdef CONFIG_IEEE80211R
+	struct wpa_state_machine * (*add_sta)(void *ctx, const u8 *sta_addr);
+	int (*send_ft_action)(void *ctx, const u8 *dst,
+			      const u8 *data, size_t data_len);
+#endif /* CONFIG_IEEE80211R */
+};
+
+struct wpa_authenticator * wpa_init(const u8 *addr,
+				    struct wpa_auth_config *conf,
+				    struct wpa_auth_callbacks *cb);
+void wpa_deinit(struct wpa_authenticator *wpa_auth);
+int wpa_reconfig(struct wpa_authenticator *wpa_auth,
+		 struct wpa_auth_config *conf);
+
+enum {
+	WPA_IE_OK, WPA_INVALID_IE, WPA_INVALID_GROUP, WPA_INVALID_PAIRWISE,
+	WPA_INVALID_AKMP, WPA_NOT_ENABLED, WPA_ALLOC_FAIL,
+	WPA_MGMT_FRAME_PROTECTION_VIOLATION, WPA_INVALID_MGMT_GROUP_CIPHER,
+	WPA_INVALID_MDIE, WPA_INVALID_PROTO
+};
+	
+int wpa_validate_wpa_ie(struct wpa_authenticator *wpa_auth,
+			struct wpa_state_machine *sm,
+			const u8 *wpa_ie, size_t wpa_ie_len,
+			const u8 *mdie, size_t mdie_len);
+int wpa_auth_uses_mfp(struct wpa_state_machine *sm);
+struct wpa_state_machine *
+wpa_auth_sta_init(struct wpa_authenticator *wpa_auth, const u8 *addr);
+int wpa_auth_sta_associated(struct wpa_authenticator *wpa_auth,
+			    struct wpa_state_machine *sm);
+void wpa_auth_sta_no_wpa(struct wpa_state_machine *sm);
+void wpa_auth_sta_deinit(struct wpa_state_machine *sm);
+void wpa_receive(struct wpa_authenticator *wpa_auth,
+		 struct wpa_state_machine *sm,
+		 u8 *data, size_t data_len);
+typedef enum {
+	WPA_AUTH, WPA_ASSOC, WPA_DISASSOC, WPA_DEAUTH, WPA_REAUTH,
+	WPA_REAUTH_EAPOL, WPA_ASSOC_FT
+} wpa_event;
+void wpa_remove_ptk(struct wpa_state_machine *sm);
+int wpa_auth_sm_event(struct wpa_state_machine *sm, wpa_event event);
+void wpa_auth_sm_notify(struct wpa_state_machine *sm);
+void wpa_gtk_rekey(struct wpa_authenticator *wpa_auth);
+int wpa_get_mib(struct wpa_authenticator *wpa_auth, char *buf, size_t buflen);
+int wpa_get_mib_sta(struct wpa_state_machine *sm, char *buf, size_t buflen);
+void wpa_auth_countermeasures_start(struct wpa_authenticator *wpa_auth);
+int wpa_auth_pairwise_set(struct wpa_state_machine *sm);
+int wpa_auth_get_pairwise(struct wpa_state_machine *sm);
+int wpa_auth_sta_key_mgmt(struct wpa_state_machine *sm);
+int wpa_auth_sta_wpa_version(struct wpa_state_machine *sm);
+int wpa_auth_sta_clear_pmksa(struct wpa_state_machine *sm,
+			     struct rsn_pmksa_cache_entry *entry);
+struct rsn_pmksa_cache_entry *
+wpa_auth_sta_get_pmksa(struct wpa_state_machine *sm);
+void wpa_auth_sta_local_mic_failure_report(struct wpa_state_machine *sm);
+const u8 * wpa_auth_get_wpa_ie(struct wpa_authenticator *wpa_auth,
+			       size_t *len);
+int wpa_auth_pmksa_add(struct wpa_state_machine *sm, const u8 *pmk,
+		       int session_timeout, struct eapol_state_machine *eapol);
+int wpa_auth_pmksa_add_preauth(struct wpa_authenticator *wpa_auth,
+			       const u8 *pmk, size_t len, const u8 *sta_addr,
+			       int session_timeout,
+			       struct eapol_state_machine *eapol);
+int wpa_auth_sta_set_vlan(struct wpa_state_machine *sm, int vlan_id);
+void wpa_auth_eapol_key_tx_status(struct wpa_authenticator *wpa_auth,
+				  struct wpa_state_machine *sm, int ack);
+
+#ifdef CONFIG_IEEE80211R
+u8 * wpa_sm_write_assoc_resp_ies(struct wpa_state_machine *sm, u8 *pos,
+				 size_t max_len, int auth_alg,
+				 const u8 *req_ies, size_t req_ies_len);
+void wpa_ft_process_auth(struct wpa_state_machine *sm, const u8 *bssid,
+			 u16 auth_transaction, const u8 *ies, size_t ies_len,
+			 void (*cb)(void *ctx, const u8 *dst, const u8 *bssid,
+				    u16 auth_transaction, u16 resp,
+				    const u8 *ies, size_t ies_len),
+			 void *ctx);
+u16 wpa_ft_validate_reassoc(struct wpa_state_machine *sm, const u8 *ies,
+			    size_t ies_len);
+int wpa_ft_action_rx(struct wpa_state_machine *sm, const u8 *data, size_t len);
+int wpa_ft_rrb_rx(struct wpa_authenticator *wpa_auth, const u8 *src_addr,
+		  const u8 *data, size_t data_len);
+void wpa_ft_push_pmk_r1(struct wpa_authenticator *wpa_auth, const u8 *addr);
+#endif /* CONFIG_IEEE80211R */
+
+#endif /* WPA_AUTH_H */
diff --git a/src/ap/wpa_auth_ft.c b/src/ap/wpa_auth_ft.c
new file mode 100644
index 0000000..65f5f4c
--- /dev/null
+++ b/src/ap/wpa_auth_ft.c
@@ -0,0 +1,1779 @@
+/*
+ * hostapd - IEEE 802.11r - Fast BSS Transition
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
+#include "crypto/aes_wrap.h"
+#include "crypto/random.h"
+#include "ap_config.h"
+#include "ieee802_11.h"
+#include "wmm.h"
+#include "wpa_auth.h"
+#include "wpa_auth_i.h"
+#include "wpa_auth_ie.h"
+
+
+#ifdef CONFIG_IEEE80211R
+
+struct wpa_ft_ies {
+	const u8 *mdie;
+	size_t mdie_len;
+	const u8 *ftie;
+	size_t ftie_len;
+	const u8 *r1kh_id;
+	const u8 *gtk;
+	size_t gtk_len;
+	const u8 *r0kh_id;
+	size_t r0kh_id_len;
+	const u8 *rsn;
+	size_t rsn_len;
+	const u8 *rsn_pmkid;
+	const u8 *ric;
+	size_t ric_len;
+};
+
+
+static int wpa_ft_parse_ies(const u8 *ies, size_t ies_len,
+			    struct wpa_ft_ies *parse);
+
+
+static int wpa_ft_rrb_send(struct wpa_authenticator *wpa_auth, const u8 *dst,
+			   const u8 *data, size_t data_len)
+{
+	if (wpa_auth->cb.send_ether == NULL)
+		return -1;
+	wpa_printf(MSG_DEBUG, "FT: RRB send to " MACSTR, MAC2STR(dst));
+	return wpa_auth->cb.send_ether(wpa_auth->cb.ctx, dst, ETH_P_RRB,
+				       data, data_len);
+}
+
+
+static int wpa_ft_action_send(struct wpa_authenticator *wpa_auth,
+			      const u8 *dst, const u8 *data, size_t data_len)
+{
+	if (wpa_auth->cb.send_ft_action == NULL)
+		return -1;
+	return wpa_auth->cb.send_ft_action(wpa_auth->cb.ctx, dst,
+					   data, data_len);
+}
+
+
+static struct wpa_state_machine *
+wpa_ft_add_sta(struct wpa_authenticator *wpa_auth, const u8 *sta_addr)
+{
+	if (wpa_auth->cb.add_sta == NULL)
+		return NULL;
+	return wpa_auth->cb.add_sta(wpa_auth->cb.ctx, sta_addr);
+}
+
+
+int wpa_write_mdie(struct wpa_auth_config *conf, u8 *buf, size_t len)
+{
+	u8 *pos = buf;
+	u8 capab;
+	if (len < 2 + sizeof(struct rsn_mdie))
+		return -1;
+
+	*pos++ = WLAN_EID_MOBILITY_DOMAIN;
+	*pos++ = MOBILITY_DOMAIN_ID_LEN + 1;
+	os_memcpy(pos, conf->mobility_domain, MOBILITY_DOMAIN_ID_LEN);
+	pos += MOBILITY_DOMAIN_ID_LEN;
+	capab = 0;
+	if (conf->ft_over_ds)
+		capab |= RSN_FT_CAPAB_FT_OVER_DS;
+	*pos++ = capab;
+
+	return pos - buf;
+}
+
+
+int wpa_write_ftie(struct wpa_auth_config *conf, const u8 *r0kh_id,
+		   size_t r0kh_id_len,
+		   const u8 *anonce, const u8 *snonce,
+		   u8 *buf, size_t len, const u8 *subelem,
+		   size_t subelem_len)
+{
+	u8 *pos = buf, *ielen;
+	struct rsn_ftie *hdr;
+
+	if (len < 2 + sizeof(*hdr) + 2 + FT_R1KH_ID_LEN + 2 + r0kh_id_len +
+	    subelem_len)
+		return -1;
+
+	*pos++ = WLAN_EID_FAST_BSS_TRANSITION;
+	ielen = pos++;
+
+	hdr = (struct rsn_ftie *) pos;
+	os_memset(hdr, 0, sizeof(*hdr));
+	pos += sizeof(*hdr);
+	WPA_PUT_LE16(hdr->mic_control, 0);
+	if (anonce)
+		os_memcpy(hdr->anonce, anonce, WPA_NONCE_LEN);
+	if (snonce)
+		os_memcpy(hdr->snonce, snonce, WPA_NONCE_LEN);
+
+	/* Optional Parameters */
+	*pos++ = FTIE_SUBELEM_R1KH_ID;
+	*pos++ = FT_R1KH_ID_LEN;
+	os_memcpy(pos, conf->r1_key_holder, FT_R1KH_ID_LEN);
+	pos += FT_R1KH_ID_LEN;
+
+	if (r0kh_id) {
+		*pos++ = FTIE_SUBELEM_R0KH_ID;
+		*pos++ = r0kh_id_len;
+		os_memcpy(pos, r0kh_id, r0kh_id_len);
+		pos += r0kh_id_len;
+	}
+
+	if (subelem) {
+		os_memcpy(pos, subelem, subelem_len);
+		pos += subelem_len;
+	}
+
+	*ielen = pos - buf - 2;
+
+	return pos - buf;
+}
+
+
+struct wpa_ft_pmk_r0_sa {
+	struct wpa_ft_pmk_r0_sa *next;
+	u8 pmk_r0[PMK_LEN];
+	u8 pmk_r0_name[WPA_PMK_NAME_LEN];
+	u8 spa[ETH_ALEN];
+	int pairwise; /* Pairwise cipher suite, WPA_CIPHER_* */
+	/* TODO: expiration, identity, radius_class, EAP type, VLAN ID */
+	int pmk_r1_pushed;
+};
+
+struct wpa_ft_pmk_r1_sa {
+	struct wpa_ft_pmk_r1_sa *next;
+	u8 pmk_r1[PMK_LEN];
+	u8 pmk_r1_name[WPA_PMK_NAME_LEN];
+	u8 spa[ETH_ALEN];
+	int pairwise; /* Pairwise cipher suite, WPA_CIPHER_* */
+	/* TODO: expiration, identity, radius_class, EAP type, VLAN ID */
+};
+
+struct wpa_ft_pmk_cache {
+	struct wpa_ft_pmk_r0_sa *pmk_r0;
+	struct wpa_ft_pmk_r1_sa *pmk_r1;
+};
+
+struct wpa_ft_pmk_cache * wpa_ft_pmk_cache_init(void)
+{
+	struct wpa_ft_pmk_cache *cache;
+
+	cache = os_zalloc(sizeof(*cache));
+
+	return cache;
+}
+
+
+void wpa_ft_pmk_cache_deinit(struct wpa_ft_pmk_cache *cache)
+{
+	struct wpa_ft_pmk_r0_sa *r0, *r0prev;
+	struct wpa_ft_pmk_r1_sa *r1, *r1prev;
+
+	r0 = cache->pmk_r0;
+	while (r0) {
+		r0prev = r0;
+		r0 = r0->next;
+		os_memset(r0prev->pmk_r0, 0, PMK_LEN);
+		os_free(r0prev);
+	}
+
+	r1 = cache->pmk_r1;
+	while (r1) {
+		r1prev = r1;
+		r1 = r1->next;
+		os_memset(r1prev->pmk_r1, 0, PMK_LEN);
+		os_free(r1prev);
+	}
+
+	os_free(cache);
+}
+
+
+static int wpa_ft_store_pmk_r0(struct wpa_authenticator *wpa_auth,
+			       const u8 *spa, const u8 *pmk_r0,
+			       const u8 *pmk_r0_name, int pairwise)
+{
+	struct wpa_ft_pmk_cache *cache = wpa_auth->ft_pmk_cache;
+	struct wpa_ft_pmk_r0_sa *r0;
+
+	/* TODO: add expiration and limit on number of entries in cache */
+
+	r0 = os_zalloc(sizeof(*r0));
+	if (r0 == NULL)
+		return -1;
+
+	os_memcpy(r0->pmk_r0, pmk_r0, PMK_LEN);
+	os_memcpy(r0->pmk_r0_name, pmk_r0_name, WPA_PMK_NAME_LEN);
+	os_memcpy(r0->spa, spa, ETH_ALEN);
+	r0->pairwise = pairwise;
+
+	r0->next = cache->pmk_r0;
+	cache->pmk_r0 = r0;
+
+	return 0;
+}
+
+
+static int wpa_ft_fetch_pmk_r0(struct wpa_authenticator *wpa_auth,
+			       const u8 *spa, const u8 *pmk_r0_name,
+			       u8 *pmk_r0, int *pairwise)
+{
+	struct wpa_ft_pmk_cache *cache = wpa_auth->ft_pmk_cache;
+	struct wpa_ft_pmk_r0_sa *r0;
+
+	r0 = cache->pmk_r0;
+	while (r0) {
+		if (os_memcmp(r0->spa, spa, ETH_ALEN) == 0 &&
+		    os_memcmp(r0->pmk_r0_name, pmk_r0_name, WPA_PMK_NAME_LEN)
+		    == 0) {
+			os_memcpy(pmk_r0, r0->pmk_r0, PMK_LEN);
+			if (pairwise)
+				*pairwise = r0->pairwise;
+			return 0;
+		}
+
+		r0 = r0->next;
+	}
+
+	return -1;
+}
+
+
+static int wpa_ft_store_pmk_r1(struct wpa_authenticator *wpa_auth,
+			       const u8 *spa, const u8 *pmk_r1,
+			       const u8 *pmk_r1_name, int pairwise)
+{
+	struct wpa_ft_pmk_cache *cache = wpa_auth->ft_pmk_cache;
+	struct wpa_ft_pmk_r1_sa *r1;
+
+	/* TODO: add expiration and limit on number of entries in cache */
+
+	r1 = os_zalloc(sizeof(*r1));
+	if (r1 == NULL)
+		return -1;
+
+	os_memcpy(r1->pmk_r1, pmk_r1, PMK_LEN);
+	os_memcpy(r1->pmk_r1_name, pmk_r1_name, WPA_PMK_NAME_LEN);
+	os_memcpy(r1->spa, spa, ETH_ALEN);
+	r1->pairwise = pairwise;
+
+	r1->next = cache->pmk_r1;
+	cache->pmk_r1 = r1;
+
+	return 0;
+}
+
+
+static int wpa_ft_fetch_pmk_r1(struct wpa_authenticator *wpa_auth,
+			       const u8 *spa, const u8 *pmk_r1_name,
+			       u8 *pmk_r1, int *pairwise)
+{
+	struct wpa_ft_pmk_cache *cache = wpa_auth->ft_pmk_cache;
+	struct wpa_ft_pmk_r1_sa *r1;
+
+	r1 = cache->pmk_r1;
+	while (r1) {
+		if (os_memcmp(r1->spa, spa, ETH_ALEN) == 0 &&
+		    os_memcmp(r1->pmk_r1_name, pmk_r1_name, WPA_PMK_NAME_LEN)
+		    == 0) {
+			os_memcpy(pmk_r1, r1->pmk_r1, PMK_LEN);
+			if (pairwise)
+				*pairwise = r1->pairwise;
+			return 0;
+		}
+
+		r1 = r1->next;
+	}
+
+	return -1;
+}
+
+
+static int wpa_ft_pull_pmk_r1(struct wpa_authenticator *wpa_auth,
+			      const u8 *s1kh_id, const u8 *r0kh_id,
+			      size_t r0kh_id_len, const u8 *pmk_r0_name)
+{
+	struct ft_remote_r0kh *r0kh;
+	struct ft_r0kh_r1kh_pull_frame frame, f;
+
+	r0kh = wpa_auth->conf.r0kh_list;
+	while (r0kh) {
+		if (r0kh->id_len == r0kh_id_len &&
+		    os_memcmp(r0kh->id, r0kh_id, r0kh_id_len) == 0)
+			break;
+		r0kh = r0kh->next;
+	}
+	if (r0kh == NULL)
+		return -1;
+
+	wpa_printf(MSG_DEBUG, "FT: Send PMK-R1 pull request to remote R0KH "
+		   "address " MACSTR, MAC2STR(r0kh->addr));
+
+	os_memset(&frame, 0, sizeof(frame));
+	frame.frame_type = RSN_REMOTE_FRAME_TYPE_FT_RRB;
+	frame.packet_type = FT_PACKET_R0KH_R1KH_PULL;
+	frame.data_length = host_to_le16(FT_R0KH_R1KH_PULL_DATA_LEN);
+	os_memcpy(frame.ap_address, wpa_auth->addr, ETH_ALEN);
+
+	/* aes_wrap() does not support inplace encryption, so use a temporary
+	 * buffer for the data. */
+	if (random_get_bytes(f.nonce, sizeof(f.nonce))) {
+		wpa_printf(MSG_DEBUG, "FT: Failed to get random data for "
+			   "nonce");
+		return -1;
+	}
+	os_memcpy(f.pmk_r0_name, pmk_r0_name, WPA_PMK_NAME_LEN);
+	os_memcpy(f.r1kh_id, wpa_auth->conf.r1_key_holder, FT_R1KH_ID_LEN);
+	os_memcpy(f.s1kh_id, s1kh_id, ETH_ALEN);
+
+	if (aes_wrap(r0kh->key, (FT_R0KH_R1KH_PULL_DATA_LEN + 7) / 8,
+		     f.nonce, frame.nonce) < 0)
+		return -1;
+
+	wpa_ft_rrb_send(wpa_auth, r0kh->addr, (u8 *) &frame, sizeof(frame));
+
+	return 0;
+}
+
+
+int wpa_auth_derive_ptk_ft(struct wpa_state_machine *sm, const u8 *pmk,
+			   struct wpa_ptk *ptk, size_t ptk_len)
+{
+	u8 pmk_r0[PMK_LEN], pmk_r0_name[WPA_PMK_NAME_LEN];
+	u8 pmk_r1[PMK_LEN];
+	u8 ptk_name[WPA_PMK_NAME_LEN];
+	const u8 *mdid = sm->wpa_auth->conf.mobility_domain;
+	const u8 *r0kh = sm->wpa_auth->conf.r0_key_holder;
+	size_t r0kh_len = sm->wpa_auth->conf.r0_key_holder_len;
+	const u8 *r1kh = sm->wpa_auth->conf.r1_key_holder;
+	const u8 *ssid = sm->wpa_auth->conf.ssid;
+	size_t ssid_len = sm->wpa_auth->conf.ssid_len;
+
+
+	if (sm->xxkey_len == 0) {
+		wpa_printf(MSG_DEBUG, "FT: XXKey not available for key "
+			   "derivation");
+		return -1;
+	}
+
+	wpa_derive_pmk_r0(sm->xxkey, sm->xxkey_len, ssid, ssid_len, mdid,
+			  r0kh, r0kh_len, sm->addr, pmk_r0, pmk_r0_name);
+	wpa_hexdump_key(MSG_DEBUG, "FT: PMK-R0", pmk_r0, PMK_LEN);
+	wpa_hexdump(MSG_DEBUG, "FT: PMKR0Name", pmk_r0_name, WPA_PMK_NAME_LEN);
+	wpa_ft_store_pmk_r0(sm->wpa_auth, sm->addr, pmk_r0, pmk_r0_name,
+			    sm->pairwise);
+
+	wpa_derive_pmk_r1(pmk_r0, pmk_r0_name, r1kh, sm->addr,
+			  pmk_r1, sm->pmk_r1_name);
+	wpa_hexdump_key(MSG_DEBUG, "FT: PMK-R1", pmk_r1, PMK_LEN);
+	wpa_hexdump(MSG_DEBUG, "FT: PMKR1Name", sm->pmk_r1_name,
+		    WPA_PMK_NAME_LEN);
+	wpa_ft_store_pmk_r1(sm->wpa_auth, sm->addr, pmk_r1, sm->pmk_r1_name,
+			    sm->pairwise);
+
+	wpa_pmk_r1_to_ptk(pmk_r1, sm->SNonce, sm->ANonce, sm->addr,
+			  sm->wpa_auth->addr, sm->pmk_r1_name,
+			  (u8 *) ptk, ptk_len, ptk_name);
+	wpa_hexdump_key(MSG_DEBUG, "FT: PTK", (u8 *) ptk, ptk_len);
+	wpa_hexdump(MSG_DEBUG, "FT: PTKName", ptk_name, WPA_PMK_NAME_LEN);
+
+	return 0;
+}
+
+
+static inline int wpa_auth_get_seqnum(struct wpa_authenticator *wpa_auth,
+				      const u8 *addr, int idx, u8 *seq)
+{
+	if (wpa_auth->cb.get_seqnum == NULL)
+		return -1;
+	return wpa_auth->cb.get_seqnum(wpa_auth->cb.ctx, addr, idx, seq);
+}
+
+
+static u8 * wpa_ft_gtk_subelem(struct wpa_state_machine *sm, size_t *len)
+{
+	u8 *subelem;
+	struct wpa_group *gsm = sm->group;
+	size_t subelem_len, pad_len;
+	const u8 *key;
+	size_t key_len;
+	u8 keybuf[32];
+
+	key_len = gsm->GTK_len;
+	if (key_len > sizeof(keybuf))
+		return NULL;
+
+	/*
+	 * Pad key for AES Key Wrap if it is not multiple of 8 bytes or is less
+	 * than 16 bytes.
+	 */
+	pad_len = key_len % 8;
+	if (pad_len)
+		pad_len = 8 - pad_len;
+	if (key_len + pad_len < 16)
+		pad_len += 8;
+	if (pad_len) {
+		os_memcpy(keybuf, gsm->GTK[gsm->GN - 1], key_len);
+		os_memset(keybuf + key_len, 0, pad_len);
+		keybuf[key_len] = 0xdd;
+		key_len += pad_len;
+		key = keybuf;
+	} else
+		key = gsm->GTK[gsm->GN - 1];
+
+	/*
+	 * Sub-elem ID[1] | Length[1] | Key Info[2] | Key Length[1] | RSC[8] |
+	 * Key[5..32].
+	 */
+	subelem_len = 13 + key_len + 8;
+	subelem = os_zalloc(subelem_len);
+	if (subelem == NULL)
+		return NULL;
+
+	subelem[0] = FTIE_SUBELEM_GTK;
+	subelem[1] = 11 + key_len + 8;
+	/* Key ID in B0-B1 of Key Info */
+	WPA_PUT_LE16(&subelem[2], gsm->GN & 0x03);
+	subelem[4] = gsm->GTK_len;
+	wpa_auth_get_seqnum(sm->wpa_auth, NULL, gsm->GN, subelem + 5);
+	if (aes_wrap(sm->PTK.kek, key_len / 8, key, subelem + 13)) {
+		os_free(subelem);
+		return NULL;
+	}
+
+	*len = subelem_len;
+	return subelem;
+}
+
+
+#ifdef CONFIG_IEEE80211W
+static u8 * wpa_ft_igtk_subelem(struct wpa_state_machine *sm, size_t *len)
+{
+	u8 *subelem, *pos;
+	struct wpa_group *gsm = sm->group;
+	size_t subelem_len;
+
+	/* Sub-elem ID[1] | Length[1] | KeyID[2] | IPN[6] | Key Length[1] |
+	 * Key[16+8] */
+	subelem_len = 1 + 1 + 2 + 6 + 1 + WPA_IGTK_LEN + 8;
+	subelem = os_zalloc(subelem_len);
+	if (subelem == NULL)
+		return NULL;
+
+	pos = subelem;
+	*pos++ = FTIE_SUBELEM_IGTK;
+	*pos++ = subelem_len - 2;
+	WPA_PUT_LE16(pos, gsm->GN_igtk);
+	pos += 2;
+	wpa_auth_get_seqnum(sm->wpa_auth, NULL, gsm->GN_igtk, pos);
+	pos += 6;
+	*pos++ = WPA_IGTK_LEN;
+	if (aes_wrap(sm->PTK.kek, WPA_IGTK_LEN / 8,
+		     gsm->IGTK[gsm->GN_igtk - 4], pos)) {
+		os_free(subelem);
+		return NULL;
+	}
+
+	*len = subelem_len;
+	return subelem;
+}
+#endif /* CONFIG_IEEE80211W */
+
+
+static u8 * wpa_ft_process_rdie(u8 *pos, u8 *end, u8 id, u8 descr_count,
+				const u8 *ies, size_t ies_len)
+{
+	struct ieee802_11_elems parse;
+	struct rsn_rdie *rdie;
+
+	wpa_printf(MSG_DEBUG, "FT: Resource Request: id=%d descr_count=%d",
+		   id, descr_count);
+	wpa_hexdump(MSG_MSGDUMP, "FT: Resource descriptor IE(s)",
+		    ies, ies_len);
+
+	if (end - pos < (int) sizeof(*rdie)) {
+		wpa_printf(MSG_ERROR, "FT: Not enough room for response RDIE");
+		return pos;
+	}
+
+	*pos++ = WLAN_EID_RIC_DATA;
+	*pos++ = sizeof(*rdie);
+	rdie = (struct rsn_rdie *) pos;
+	rdie->id = id;
+	rdie->descr_count = 0;
+	rdie->status_code = host_to_le16(WLAN_STATUS_SUCCESS);
+	pos += sizeof(*rdie);
+
+	if (ieee802_11_parse_elems((u8 *) ies, ies_len, &parse, 1) ==
+	    ParseFailed) {
+		wpa_printf(MSG_DEBUG, "FT: Failed to parse request IEs");
+		rdie->status_code =
+			host_to_le16(WLAN_STATUS_UNSPECIFIED_FAILURE);
+		return pos;
+	}
+
+#ifdef NEED_AP_MLME
+	if (parse.wmm_tspec) {
+		struct wmm_tspec_element *tspec;
+		int res;
+
+		if (parse.wmm_tspec_len + 2 < (int) sizeof(*tspec)) {
+			wpa_printf(MSG_DEBUG, "FT: Too short WMM TSPEC IE "
+				   "(%d)", (int) parse.wmm_tspec_len);
+			rdie->status_code =
+				host_to_le16(WLAN_STATUS_UNSPECIFIED_FAILURE);
+			return pos;
+		}
+		if (end - pos < (int) sizeof(*tspec)) {
+			wpa_printf(MSG_ERROR, "FT: Not enough room for "
+				   "response TSPEC");
+			rdie->status_code =
+				host_to_le16(WLAN_STATUS_UNSPECIFIED_FAILURE);
+			return pos;
+		}
+		tspec = (struct wmm_tspec_element *) pos;
+		os_memcpy(tspec, parse.wmm_tspec - 2, sizeof(*tspec));
+		res = wmm_process_tspec(tspec);
+		wpa_printf(MSG_DEBUG, "FT: ADDTS processing result: %d", res);
+		if (res == WMM_ADDTS_STATUS_INVALID_PARAMETERS)
+			rdie->status_code =
+				host_to_le16(WLAN_STATUS_INVALID_PARAMETERS);
+		else if (res == WMM_ADDTS_STATUS_REFUSED)
+			rdie->status_code =
+				host_to_le16(WLAN_STATUS_REQUEST_DECLINED);
+		else {
+			/* TSPEC accepted; include updated TSPEC in response */
+			rdie->descr_count = 1;
+			pos += sizeof(*tspec);
+		}
+		return pos;
+	}
+#endif /* NEED_AP_MLME */
+
+	wpa_printf(MSG_DEBUG, "FT: No supported resource requested");
+	rdie->status_code = host_to_le16(WLAN_STATUS_UNSPECIFIED_FAILURE);
+	return pos;
+}
+
+
+static u8 * wpa_ft_process_ric(u8 *pos, u8 *end, const u8 *ric, size_t ric_len)
+{
+	const u8 *rpos, *start;
+	const struct rsn_rdie *rdie;
+
+	wpa_hexdump(MSG_MSGDUMP, "FT: RIC Request", ric, ric_len);
+
+	rpos = ric;
+	while (rpos + sizeof(*rdie) < ric + ric_len) {
+		if (rpos[0] != WLAN_EID_RIC_DATA || rpos[1] < sizeof(*rdie) ||
+		    rpos + 2 + rpos[1] > ric + ric_len)
+			break;
+		rdie = (const struct rsn_rdie *) (rpos + 2);
+		rpos += 2 + rpos[1];
+		start = rpos;
+
+		while (rpos + 2 <= ric + ric_len &&
+		       rpos + 2 + rpos[1] <= ric + ric_len) {
+			if (rpos[0] == WLAN_EID_RIC_DATA)
+				break;
+			rpos += 2 + rpos[1];
+		}
+		pos = wpa_ft_process_rdie(pos, end, rdie->id,
+					  rdie->descr_count,
+					  start, rpos - start);
+	}
+
+	return pos;
+}
+
+
+u8 * wpa_sm_write_assoc_resp_ies(struct wpa_state_machine *sm, u8 *pos,
+				 size_t max_len, int auth_alg,
+				 const u8 *req_ies, size_t req_ies_len)
+{
+	u8 *end, *mdie, *ftie, *rsnie = NULL, *r0kh_id, *subelem = NULL;
+	size_t mdie_len, ftie_len, rsnie_len = 0, r0kh_id_len, subelem_len = 0;
+	int res;
+	struct wpa_auth_config *conf;
+	struct rsn_ftie *_ftie;
+	struct wpa_ft_ies parse;
+	u8 *ric_start;
+	u8 *anonce, *snonce;
+
+	if (sm == NULL)
+		return pos;
+
+	conf = &sm->wpa_auth->conf;
+
+	if (sm->wpa_key_mgmt != WPA_KEY_MGMT_FT_IEEE8021X &&
+	    sm->wpa_key_mgmt != WPA_KEY_MGMT_FT_PSK)
+		return pos;
+
+	end = pos + max_len;
+
+	if (auth_alg == WLAN_AUTH_FT) {
+		/*
+		 * RSN (only present if this is a Reassociation Response and
+		 * part of a fast BSS transition)
+		 */
+		res = wpa_write_rsn_ie(conf, pos, end - pos, sm->pmk_r1_name);
+		if (res < 0)
+			return pos;
+		rsnie = pos;
+		rsnie_len = res;
+		pos += res;
+	}
+
+	/* Mobility Domain Information */
+	res = wpa_write_mdie(conf, pos, end - pos);
+	if (res < 0)
+		return pos;
+	mdie = pos;
+	mdie_len = res;
+	pos += res;
+
+	/* Fast BSS Transition Information */
+	if (auth_alg == WLAN_AUTH_FT) {
+		subelem = wpa_ft_gtk_subelem(sm, &subelem_len);
+		r0kh_id = sm->r0kh_id;
+		r0kh_id_len = sm->r0kh_id_len;
+		anonce = sm->ANonce;
+		snonce = sm->SNonce;
+#ifdef CONFIG_IEEE80211W
+		if (sm->mgmt_frame_prot) {
+			u8 *igtk;
+			size_t igtk_len;
+			u8 *nbuf;
+			igtk = wpa_ft_igtk_subelem(sm, &igtk_len);
+			if (igtk == NULL) {
+				os_free(subelem);
+				return pos;
+			}
+			nbuf = os_realloc(subelem, subelem_len + igtk_len);
+			if (nbuf == NULL) {
+				os_free(subelem);
+				os_free(igtk);
+				return pos;
+			}
+			subelem = nbuf;
+			os_memcpy(subelem + subelem_len, igtk, igtk_len);
+			subelem_len += igtk_len;
+			os_free(igtk);
+		}
+#endif /* CONFIG_IEEE80211W */
+	} else {
+		r0kh_id = conf->r0_key_holder;
+		r0kh_id_len = conf->r0_key_holder_len;
+		anonce = NULL;
+		snonce = NULL;
+	}
+	res = wpa_write_ftie(conf, r0kh_id, r0kh_id_len, anonce, snonce, pos,
+			     end - pos, subelem, subelem_len);
+	os_free(subelem);
+	if (res < 0)
+		return pos;
+	ftie = pos;
+	ftie_len = res;
+	pos += res;
+
+	os_free(sm->assoc_resp_ftie);
+	sm->assoc_resp_ftie = os_malloc(ftie_len);
+	if (sm->assoc_resp_ftie)
+		os_memcpy(sm->assoc_resp_ftie, ftie, ftie_len);
+
+	_ftie = (struct rsn_ftie *) (ftie + 2);
+	if (auth_alg == WLAN_AUTH_FT)
+		_ftie->mic_control[1] = 3; /* Information element count */
+
+	ric_start = pos;
+	if (wpa_ft_parse_ies(req_ies, req_ies_len, &parse) == 0 && parse.ric) {
+		pos = wpa_ft_process_ric(pos, end, parse.ric, parse.ric_len);
+		if (auth_alg == WLAN_AUTH_FT)
+			_ftie->mic_control[1] +=
+				ieee802_11_ie_count(ric_start,
+						    pos - ric_start);
+	}
+	if (ric_start == pos)
+		ric_start = NULL;
+
+	if (auth_alg == WLAN_AUTH_FT &&
+	    wpa_ft_mic(sm->PTK.kck, sm->addr, sm->wpa_auth->addr, 6,
+		       mdie, mdie_len, ftie, ftie_len,
+		       rsnie, rsnie_len,
+		       ric_start, ric_start ? pos - ric_start : 0,
+		       _ftie->mic) < 0)
+		wpa_printf(MSG_DEBUG, "FT: Failed to calculate MIC");
+
+	return pos;
+}
+
+
+static int wpa_ft_parse_ftie(const u8 *ie, size_t ie_len,
+			     struct wpa_ft_ies *parse)
+{
+	const u8 *end, *pos;
+
+	parse->ftie = ie;
+	parse->ftie_len = ie_len;
+
+	pos = ie + sizeof(struct rsn_ftie);
+	end = ie + ie_len;
+
+	while (pos + 2 <= end && pos + 2 + pos[1] <= end) {
+		switch (pos[0]) {
+		case FTIE_SUBELEM_R1KH_ID:
+			if (pos[1] != FT_R1KH_ID_LEN) {
+				wpa_printf(MSG_DEBUG, "FT: Invalid R1KH-ID "
+					   "length in FTIE: %d", pos[1]);
+				return -1;
+			}
+			parse->r1kh_id = pos + 2;
+			break;
+		case FTIE_SUBELEM_GTK:
+			parse->gtk = pos + 2;
+			parse->gtk_len = pos[1];
+			break;
+		case FTIE_SUBELEM_R0KH_ID:
+			if (pos[1] < 1 || pos[1] > FT_R0KH_ID_MAX_LEN) {
+				wpa_printf(MSG_DEBUG, "FT: Invalid R0KH-ID "
+					   "length in FTIE: %d", pos[1]);
+				return -1;
+			}
+			parse->r0kh_id = pos + 2;
+			parse->r0kh_id_len = pos[1];
+			break;
+		}
+
+		pos += 2 + pos[1];
+	}
+
+	return 0;
+}
+
+
+static int wpa_ft_parse_ies(const u8 *ies, size_t ies_len,
+			    struct wpa_ft_ies *parse)
+{
+	const u8 *end, *pos;
+	struct wpa_ie_data data;
+	int ret;
+	const struct rsn_ftie *ftie;
+	int prot_ie_count = 0;
+
+	os_memset(parse, 0, sizeof(*parse));
+	if (ies == NULL)
+		return 0;
+
+	pos = ies;
+	end = ies + ies_len;
+	while (pos + 2 <= end && pos + 2 + pos[1] <= end) {
+		switch (pos[0]) {
+		case WLAN_EID_RSN:
+			parse->rsn = pos + 2;
+			parse->rsn_len = pos[1];
+			ret = wpa_parse_wpa_ie_rsn(parse->rsn - 2,
+						   parse->rsn_len + 2,
+						   &data);
+			if (ret < 0) {
+				wpa_printf(MSG_DEBUG, "FT: Failed to parse "
+					   "RSN IE: %d", ret);
+				return -1;
+			}
+			if (data.num_pmkid == 1 && data.pmkid)
+				parse->rsn_pmkid = data.pmkid;
+			break;
+		case WLAN_EID_MOBILITY_DOMAIN:
+			parse->mdie = pos + 2;
+			parse->mdie_len = pos[1];
+			break;
+		case WLAN_EID_FAST_BSS_TRANSITION:
+			if (pos[1] < sizeof(*ftie))
+				return -1;
+			ftie = (const struct rsn_ftie *) (pos + 2);
+			prot_ie_count = ftie->mic_control[1];
+			if (wpa_ft_parse_ftie(pos + 2, pos[1], parse) < 0)
+				return -1;
+			break;
+		case WLAN_EID_RIC_DATA:
+			if (parse->ric == NULL)
+				parse->ric = pos;
+		}
+
+		pos += 2 + pos[1];
+	}
+
+	if (prot_ie_count == 0)
+		return 0; /* no MIC */
+
+	/*
+	 * Check that the protected IE count matches with IEs included in the
+	 * frame.
+	 */
+	if (parse->rsn)
+		prot_ie_count--;
+	if (parse->mdie)
+		prot_ie_count--;
+	if (parse->ftie)
+		prot_ie_count--;
+	if (prot_ie_count < 0) {
+		wpa_printf(MSG_DEBUG, "FT: Some required IEs not included in "
+			   "the protected IE count");
+		return -1;
+	}
+
+	if (prot_ie_count == 0 && parse->ric) {
+		wpa_printf(MSG_DEBUG, "FT: RIC IE(s) in the frame, but not "
+			   "included in protected IE count");
+		return -1;
+	}
+
+	/* Determine the end of the RIC IE(s) */
+	pos = parse->ric;
+	while (pos && pos + 2 <= end && pos + 2 + pos[1] <= end &&
+	       prot_ie_count) {
+		prot_ie_count--;
+		pos += 2 + pos[1];
+	}
+	parse->ric_len = pos - parse->ric;
+	if (prot_ie_count) {
+		wpa_printf(MSG_DEBUG, "FT: %d protected IEs missing from "
+			   "frame", (int) prot_ie_count);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static inline int wpa_auth_set_key(struct wpa_authenticator *wpa_auth,
+				   int vlan_id,
+				   enum wpa_alg alg, const u8 *addr, int idx,
+				   u8 *key, size_t key_len)
+{
+	if (wpa_auth->cb.set_key == NULL)
+		return -1;
+	return wpa_auth->cb.set_key(wpa_auth->cb.ctx, vlan_id, alg, addr, idx,
+				    key, key_len);
+}
+
+
+void wpa_ft_install_ptk(struct wpa_state_machine *sm)
+{
+	enum wpa_alg alg;
+	int klen;
+
+	/* MLME-SETKEYS.request(PTK) */
+	if (sm->pairwise == WPA_CIPHER_TKIP) {
+		alg = WPA_ALG_TKIP;
+		klen = 32;
+	} else if (sm->pairwise == WPA_CIPHER_CCMP) {
+		alg = WPA_ALG_CCMP;
+		klen = 16;
+	} else {
+		wpa_printf(MSG_DEBUG, "FT: Unknown pairwise alg 0x%x - skip "
+			   "PTK configuration", sm->pairwise);
+		return;
+	}
+
+	/* FIX: add STA entry to kernel/driver here? The set_key will fail
+	 * most likely without this.. At the moment, STA entry is added only
+	 * after association has been completed. This function will be called
+	 * again after association to get the PTK configured, but that could be
+	 * optimized by adding the STA entry earlier.
+	 */
+	if (wpa_auth_set_key(sm->wpa_auth, 0, alg, sm->addr, 0,
+			     sm->PTK.tk1, klen))
+		return;
+
+	/* FIX: MLME-SetProtection.Request(TA, Tx_Rx) */
+	sm->pairwise_set = TRUE;
+}
+
+
+static u16 wpa_ft_process_auth_req(struct wpa_state_machine *sm,
+				   const u8 *ies, size_t ies_len,
+				   u8 **resp_ies, size_t *resp_ies_len)
+{
+	struct rsn_mdie *mdie;
+	struct rsn_ftie *ftie;
+	u8 pmk_r1[PMK_LEN], pmk_r1_name[WPA_PMK_NAME_LEN];
+	u8 ptk_name[WPA_PMK_NAME_LEN];
+	struct wpa_auth_config *conf;
+	struct wpa_ft_ies parse;
+	size_t buflen, ptk_len;
+	int ret;
+	u8 *pos, *end;
+	int pairwise;
+
+	*resp_ies = NULL;
+	*resp_ies_len = 0;
+
+	sm->pmk_r1_name_valid = 0;
+	conf = &sm->wpa_auth->conf;
+
+	wpa_hexdump(MSG_DEBUG, "FT: Received authentication frame IEs",
+		    ies, ies_len);
+
+	if (wpa_ft_parse_ies(ies, ies_len, &parse) < 0) {
+		wpa_printf(MSG_DEBUG, "FT: Failed to parse FT IEs");
+		return WLAN_STATUS_UNSPECIFIED_FAILURE;
+	}
+
+	mdie = (struct rsn_mdie *) parse.mdie;
+	if (mdie == NULL || parse.mdie_len < sizeof(*mdie) ||
+	    os_memcmp(mdie->mobility_domain,
+		      sm->wpa_auth->conf.mobility_domain,
+		      MOBILITY_DOMAIN_ID_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "FT: Invalid MDIE");
+		return WLAN_STATUS_INVALID_MDIE;
+	}
+
+	ftie = (struct rsn_ftie *) parse.ftie;
+	if (ftie == NULL || parse.ftie_len < sizeof(*ftie)) {
+		wpa_printf(MSG_DEBUG, "FT: Invalid FTIE");
+		return WLAN_STATUS_INVALID_FTIE;
+	}
+
+	os_memcpy(sm->SNonce, ftie->snonce, WPA_NONCE_LEN);
+
+	if (parse.r0kh_id == NULL) {
+		wpa_printf(MSG_DEBUG, "FT: Invalid FTIE - no R0KH-ID");
+		return WLAN_STATUS_INVALID_FTIE;
+	}
+
+	wpa_hexdump(MSG_DEBUG, "FT: STA R0KH-ID",
+		    parse.r0kh_id, parse.r0kh_id_len);
+	os_memcpy(sm->r0kh_id, parse.r0kh_id, parse.r0kh_id_len);
+	sm->r0kh_id_len = parse.r0kh_id_len;
+
+	if (parse.rsn_pmkid == NULL) {
+		wpa_printf(MSG_DEBUG, "FT: No PMKID in RSNIE");
+		return WLAN_STATUS_INVALID_PMKID;
+	}
+
+	wpa_hexdump(MSG_DEBUG, "FT: Requested PMKR0Name",
+		    parse.rsn_pmkid, WPA_PMK_NAME_LEN);
+	wpa_derive_pmk_r1_name(parse.rsn_pmkid,
+			       sm->wpa_auth->conf.r1_key_holder, sm->addr,
+			       pmk_r1_name);
+	wpa_hexdump(MSG_DEBUG, "FT: Derived requested PMKR1Name",
+		    pmk_r1_name, WPA_PMK_NAME_LEN);
+
+	if (wpa_ft_fetch_pmk_r1(sm->wpa_auth, sm->addr, pmk_r1_name, pmk_r1,
+		    &pairwise) < 0) {
+		if (wpa_ft_pull_pmk_r1(sm->wpa_auth, sm->addr, sm->r0kh_id,
+				       sm->r0kh_id_len, parse.rsn_pmkid) < 0) {
+			wpa_printf(MSG_DEBUG, "FT: Did not have matching "
+				   "PMK-R1 and unknown R0KH-ID");
+			return WLAN_STATUS_INVALID_PMKID;
+		}
+
+		/*
+		 * TODO: Should return "status pending" (and the caller should
+		 * not send out response now). The real response will be sent
+		 * once the response from R0KH is received.
+		 */
+		return WLAN_STATUS_INVALID_PMKID;
+	}
+
+	wpa_hexdump_key(MSG_DEBUG, "FT: Selected PMK-R1", pmk_r1, PMK_LEN);
+	sm->pmk_r1_name_valid = 1;
+	os_memcpy(sm->pmk_r1_name, pmk_r1_name, WPA_PMK_NAME_LEN);
+
+	if (random_get_bytes(sm->ANonce, WPA_NONCE_LEN)) {
+		wpa_printf(MSG_DEBUG, "FT: Failed to get random data for "
+			   "ANonce");
+		return WLAN_STATUS_UNSPECIFIED_FAILURE;
+	}
+
+	wpa_hexdump(MSG_DEBUG, "FT: Received SNonce",
+		    sm->SNonce, WPA_NONCE_LEN);
+	wpa_hexdump(MSG_DEBUG, "FT: Generated ANonce",
+		    sm->ANonce, WPA_NONCE_LEN);
+
+	ptk_len = pairwise != WPA_CIPHER_CCMP ? 64 : 48;
+	wpa_pmk_r1_to_ptk(pmk_r1, sm->SNonce, sm->ANonce, sm->addr,
+			  sm->wpa_auth->addr, pmk_r1_name,
+			  (u8 *) &sm->PTK, ptk_len, ptk_name);
+	wpa_hexdump_key(MSG_DEBUG, "FT: PTK",
+			(u8 *) &sm->PTK, ptk_len);
+	wpa_hexdump(MSG_DEBUG, "FT: PTKName", ptk_name, WPA_PMK_NAME_LEN);
+
+	sm->pairwise = pairwise;
+	wpa_ft_install_ptk(sm);
+
+	buflen = 2 + sizeof(struct rsn_mdie) + 2 + sizeof(struct rsn_ftie) +
+		2 + FT_R1KH_ID_LEN + 200;
+	*resp_ies = os_zalloc(buflen);
+	if (*resp_ies == NULL) {
+		return WLAN_STATUS_UNSPECIFIED_FAILURE;
+	}
+
+	pos = *resp_ies;
+	end = *resp_ies + buflen;
+
+	ret = wpa_write_rsn_ie(conf, pos, end - pos, parse.rsn_pmkid);
+	if (ret < 0) {
+		os_free(*resp_ies);
+		*resp_ies = NULL;
+		return WLAN_STATUS_UNSPECIFIED_FAILURE;
+	}
+	pos += ret;
+
+	ret = wpa_write_mdie(conf, pos, end - pos);
+	if (ret < 0) {
+		os_free(*resp_ies);
+		*resp_ies = NULL;
+		return WLAN_STATUS_UNSPECIFIED_FAILURE;
+	}
+	pos += ret;
+
+	ret = wpa_write_ftie(conf, parse.r0kh_id, parse.r0kh_id_len,
+			     sm->ANonce, sm->SNonce, pos, end - pos, NULL, 0);
+	if (ret < 0) {
+		os_free(*resp_ies);
+		*resp_ies = NULL;
+		return WLAN_STATUS_UNSPECIFIED_FAILURE;
+	}
+	pos += ret;
+
+	*resp_ies_len = pos - *resp_ies;
+
+	return WLAN_STATUS_SUCCESS;
+}
+
+
+void wpa_ft_process_auth(struct wpa_state_machine *sm, const u8 *bssid,
+			 u16 auth_transaction, const u8 *ies, size_t ies_len,
+			 void (*cb)(void *ctx, const u8 *dst, const u8 *bssid,
+				    u16 auth_transaction, u16 status,
+				    const u8 *ies, size_t ies_len),
+			 void *ctx)
+{
+	u16 status;
+	u8 *resp_ies;
+	size_t resp_ies_len;
+
+	if (sm == NULL) {
+		wpa_printf(MSG_DEBUG, "FT: Received authentication frame, but "
+			   "WPA SM not available");
+		return;
+	}
+
+	wpa_printf(MSG_DEBUG, "FT: Received authentication frame: STA=" MACSTR
+		   " BSSID=" MACSTR " transaction=%d",
+		   MAC2STR(sm->addr), MAC2STR(bssid), auth_transaction);
+	status = wpa_ft_process_auth_req(sm, ies, ies_len, &resp_ies,
+					 &resp_ies_len);
+
+	wpa_printf(MSG_DEBUG, "FT: FT authentication response: dst=" MACSTR
+		   " auth_transaction=%d status=%d",
+		   MAC2STR(sm->addr), auth_transaction + 1, status);
+	wpa_hexdump(MSG_DEBUG, "FT: Response IEs", resp_ies, resp_ies_len);
+	cb(ctx, sm->addr, bssid, auth_transaction + 1, status,
+	   resp_ies, resp_ies_len);
+	os_free(resp_ies);
+}
+
+
+u16 wpa_ft_validate_reassoc(struct wpa_state_machine *sm, const u8 *ies,
+			    size_t ies_len)
+{
+	struct wpa_ft_ies parse;
+	struct rsn_mdie *mdie;
+	struct rsn_ftie *ftie;
+	u8 mic[16];
+	unsigned int count;
+
+	if (sm == NULL)
+		return WLAN_STATUS_UNSPECIFIED_FAILURE;
+
+	wpa_hexdump(MSG_DEBUG, "FT: Reassoc Req IEs", ies, ies_len);
+
+	if (wpa_ft_parse_ies(ies, ies_len, &parse) < 0) {
+		wpa_printf(MSG_DEBUG, "FT: Failed to parse FT IEs");
+		return WLAN_STATUS_UNSPECIFIED_FAILURE;
+	}
+
+	if (parse.rsn == NULL) {
+		wpa_printf(MSG_DEBUG, "FT: No RSNIE in Reassoc Req");
+		return WLAN_STATUS_UNSPECIFIED_FAILURE;
+	}
+
+	if (parse.rsn_pmkid == NULL) {
+		wpa_printf(MSG_DEBUG, "FT: No PMKID in RSNIE");
+		return WLAN_STATUS_INVALID_PMKID;
+	}
+
+	if (os_memcmp(parse.rsn_pmkid, sm->pmk_r1_name, WPA_PMK_NAME_LEN) != 0)
+	{
+		wpa_printf(MSG_DEBUG, "FT: PMKID in Reassoc Req did not match "
+			   "with the PMKR1Name derived from auth request");
+		return WLAN_STATUS_INVALID_PMKID;
+	}
+
+	mdie = (struct rsn_mdie *) parse.mdie;
+	if (mdie == NULL || parse.mdie_len < sizeof(*mdie) ||
+	    os_memcmp(mdie->mobility_domain,
+		      sm->wpa_auth->conf.mobility_domain,
+		      MOBILITY_DOMAIN_ID_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "FT: Invalid MDIE");
+		return WLAN_STATUS_INVALID_MDIE;
+	}
+
+	ftie = (struct rsn_ftie *) parse.ftie;
+	if (ftie == NULL || parse.ftie_len < sizeof(*ftie)) {
+		wpa_printf(MSG_DEBUG, "FT: Invalid FTIE");
+		return WLAN_STATUS_INVALID_FTIE;
+	}
+
+	if (os_memcmp(ftie->snonce, sm->SNonce, WPA_NONCE_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "FT: SNonce mismatch in FTIE");
+		wpa_hexdump(MSG_DEBUG, "FT: Received SNonce",
+			    ftie->snonce, WPA_NONCE_LEN);
+		wpa_hexdump(MSG_DEBUG, "FT: Expected SNonce",
+			    sm->SNonce, WPA_NONCE_LEN);
+		return -1;
+	}
+
+	if (os_memcmp(ftie->anonce, sm->ANonce, WPA_NONCE_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "FT: ANonce mismatch in FTIE");
+		wpa_hexdump(MSG_DEBUG, "FT: Received ANonce",
+			    ftie->anonce, WPA_NONCE_LEN);
+		wpa_hexdump(MSG_DEBUG, "FT: Expected ANonce",
+			    sm->ANonce, WPA_NONCE_LEN);
+		return -1;
+	}
+
+
+	if (parse.r0kh_id == NULL) {
+		wpa_printf(MSG_DEBUG, "FT: No R0KH-ID subelem in FTIE");
+		return -1;
+	}
+
+	if (parse.r0kh_id_len != sm->r0kh_id_len ||
+	    os_memcmp(parse.r0kh_id, sm->r0kh_id, parse.r0kh_id_len) != 0) {
+		wpa_printf(MSG_DEBUG, "FT: R0KH-ID in FTIE did not match with "
+			   "the current R0KH-ID");
+		wpa_hexdump(MSG_DEBUG, "FT: R0KH-ID in FTIE",
+			    parse.r0kh_id, parse.r0kh_id_len);
+		wpa_hexdump(MSG_DEBUG, "FT: The current R0KH-ID",
+			    sm->r0kh_id, sm->r0kh_id_len);
+		return -1;
+	}
+
+	if (parse.r1kh_id == NULL) {
+		wpa_printf(MSG_DEBUG, "FT: No R1KH-ID subelem in FTIE");
+		return -1;
+	}
+
+	if (os_memcmp(parse.r1kh_id, sm->wpa_auth->conf.r1_key_holder,
+		      FT_R1KH_ID_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "FT: Unknown R1KH-ID used in "
+			   "ReassocReq");
+		wpa_hexdump(MSG_DEBUG, "FT: R1KH-ID in FTIE",
+			    parse.r1kh_id, FT_R1KH_ID_LEN);
+		wpa_hexdump(MSG_DEBUG, "FT: Expected R1KH-ID",
+			    sm->wpa_auth->conf.r1_key_holder, FT_R1KH_ID_LEN);
+		return -1;
+	}
+
+	if (parse.rsn_pmkid == NULL ||
+	    os_memcmp(parse.rsn_pmkid, sm->pmk_r1_name, WPA_PMK_NAME_LEN)) {
+		wpa_printf(MSG_DEBUG, "FT: No matching PMKR1Name (PMKID) in "
+			   "RSNIE (pmkid=%d)", !!parse.rsn_pmkid);
+		return -1;
+	}
+
+	count = 3;
+	if (parse.ric)
+		count++;
+	if (ftie->mic_control[1] != count) {
+		wpa_printf(MSG_DEBUG, "FT: Unexpected IE count in MIC "
+			   "Control: received %u expected %u",
+			   ftie->mic_control[1], count);
+		return -1;
+	}
+
+	if (wpa_ft_mic(sm->PTK.kck, sm->addr, sm->wpa_auth->addr, 5,
+		       parse.mdie - 2, parse.mdie_len + 2,
+		       parse.ftie - 2, parse.ftie_len + 2,
+		       parse.rsn - 2, parse.rsn_len + 2,
+		       parse.ric, parse.ric_len,
+		       mic) < 0) {
+		wpa_printf(MSG_DEBUG, "FT: Failed to calculate MIC");
+		return WLAN_STATUS_UNSPECIFIED_FAILURE;
+	}
+
+	if (os_memcmp(mic, ftie->mic, 16) != 0) {
+		wpa_printf(MSG_DEBUG, "FT: Invalid MIC in FTIE");
+		wpa_hexdump(MSG_MSGDUMP, "FT: Received MIC", ftie->mic, 16);
+		wpa_hexdump(MSG_MSGDUMP, "FT: Calculated MIC", mic, 16);
+		return WLAN_STATUS_INVALID_FTIE;
+	}
+
+	return WLAN_STATUS_SUCCESS;
+}
+
+
+int wpa_ft_action_rx(struct wpa_state_machine *sm, const u8 *data, size_t len)
+{
+	const u8 *sta_addr, *target_ap;
+	const u8 *ies;
+	size_t ies_len;
+	u8 action;
+	struct ft_rrb_frame *frame;
+
+	if (sm == NULL)
+		return -1;
+
+	/*
+	 * data: Category[1] Action[1] STA_Address[6] Target_AP_Address[6]
+	 * FT Request action frame body[variable]
+	 */
+
+	if (len < 14) {
+		wpa_printf(MSG_DEBUG, "FT: Too short FT Action frame "
+			   "(len=%lu)", (unsigned long) len);
+		return -1;
+	}
+
+	action = data[1];
+	sta_addr = data + 2;
+	target_ap = data + 8;
+	ies = data + 14;
+	ies_len = len - 14;
+
+	wpa_printf(MSG_DEBUG, "FT: Received FT Action frame (STA=" MACSTR
+		   " Target AP=" MACSTR " Action=%d)",
+		   MAC2STR(sta_addr), MAC2STR(target_ap), action);
+
+	if (os_memcmp(sta_addr, sm->addr, ETH_ALEN) != 0) {
+		wpa_printf(MSG_DEBUG, "FT: Mismatch in FT Action STA address: "
+			   "STA=" MACSTR " STA-Address=" MACSTR,
+			   MAC2STR(sm->addr), MAC2STR(sta_addr));
+		return -1;
+	}
+
+	/*
+	 * Do some sanity checking on the target AP address (not own and not
+	 * broadcast. This could be extended to filter based on a list of known
+	 * APs in the MD (if such a list were configured).
+	 */
+	if ((target_ap[0] & 0x01) ||
+	    os_memcmp(target_ap, sm->wpa_auth->addr, ETH_ALEN) == 0) {
+		wpa_printf(MSG_DEBUG, "FT: Invalid Target AP in FT Action "
+			   "frame");
+		return -1;
+	}
+
+	wpa_hexdump(MSG_MSGDUMP, "FT: Action frame body", ies, ies_len);
+
+	/* RRB - Forward action frame to the target AP */
+	frame = os_malloc(sizeof(*frame) + len);
+	frame->frame_type = RSN_REMOTE_FRAME_TYPE_FT_RRB;
+	frame->packet_type = FT_PACKET_REQUEST;
+	frame->action_length = host_to_le16(len);
+	os_memcpy(frame->ap_address, sm->wpa_auth->addr, ETH_ALEN);
+	os_memcpy(frame + 1, data, len);
+
+	wpa_ft_rrb_send(sm->wpa_auth, target_ap, (u8 *) frame,
+			sizeof(*frame) + len);
+	os_free(frame);
+
+	return 0;
+}
+
+
+static int wpa_ft_rrb_rx_request(struct wpa_authenticator *wpa_auth,
+				 const u8 *current_ap, const u8 *sta_addr,
+				 const u8 *body, size_t len)
+{
+	struct wpa_state_machine *sm;
+	u16 status;
+	u8 *resp_ies, *pos;
+	size_t resp_ies_len, rlen;
+	struct ft_rrb_frame *frame;
+
+	sm = wpa_ft_add_sta(wpa_auth, sta_addr);
+	if (sm == NULL) {
+		wpa_printf(MSG_DEBUG, "FT: Failed to add new STA based on "
+			   "RRB Request");
+		return -1;
+	}
+
+	wpa_hexdump(MSG_MSGDUMP, "FT: RRB Request Frame body", body, len);
+
+	status = wpa_ft_process_auth_req(sm, body, len, &resp_ies,
+					 &resp_ies_len);
+
+	wpa_printf(MSG_DEBUG, "FT: RRB authentication response: STA=" MACSTR
+		   " CurrentAP=" MACSTR " status=%d",
+		   MAC2STR(sm->addr), MAC2STR(current_ap), status);
+	wpa_hexdump(MSG_DEBUG, "FT: Response IEs", resp_ies, resp_ies_len);
+
+	/* RRB - Forward action frame response to the Current AP */
+
+	/*
+	 * data: Category[1] Action[1] STA_Address[6] Target_AP_Address[6]
+	 * Status_Code[2] FT Request action frame body[variable]
+	 */
+	rlen = 2 + 2 * ETH_ALEN + 2 + resp_ies_len;
+
+	frame = os_malloc(sizeof(*frame) + rlen);
+	frame->frame_type = RSN_REMOTE_FRAME_TYPE_FT_RRB;
+	frame->packet_type = FT_PACKET_RESPONSE;
+	frame->action_length = host_to_le16(rlen);
+	os_memcpy(frame->ap_address, wpa_auth->addr, ETH_ALEN);
+	pos = (u8 *) (frame + 1);
+	*pos++ = WLAN_ACTION_FT;
+	*pos++ = 2; /* Action: Response */
+	os_memcpy(pos, sta_addr, ETH_ALEN);
+	pos += ETH_ALEN;
+	os_memcpy(pos, wpa_auth->addr, ETH_ALEN);
+	pos += ETH_ALEN;
+	WPA_PUT_LE16(pos, status);
+	pos += 2;
+	if (resp_ies) {
+		os_memcpy(pos, resp_ies, resp_ies_len);
+		os_free(resp_ies);
+	}
+
+	wpa_ft_rrb_send(wpa_auth, current_ap, (u8 *) frame,
+			sizeof(*frame) + rlen);
+	os_free(frame);
+
+	return 0;
+}
+
+
+static int wpa_ft_rrb_rx_pull(struct wpa_authenticator *wpa_auth,
+			      const u8 *src_addr,
+			      const u8 *data, size_t data_len)
+{
+	struct ft_r0kh_r1kh_pull_frame *frame, f;
+	struct ft_remote_r1kh *r1kh;
+	struct ft_r0kh_r1kh_resp_frame resp, r;
+	u8 pmk_r0[PMK_LEN];
+	int pairwise;
+
+	wpa_printf(MSG_DEBUG, "FT: Received PMK-R1 pull");
+
+	if (data_len < sizeof(*frame))
+		return -1;
+
+	r1kh = wpa_auth->conf.r1kh_list;
+	while (r1kh) {
+		if (os_memcmp(r1kh->addr, src_addr, ETH_ALEN) == 0)
+			break;
+		r1kh = r1kh->next;
+	}
+	if (r1kh == NULL) {
+		wpa_printf(MSG_DEBUG, "FT: No matching R1KH address found for "
+			   "PMK-R1 pull source address " MACSTR,
+			   MAC2STR(src_addr));
+		return -1;
+	}
+
+	frame = (struct ft_r0kh_r1kh_pull_frame *) data;
+	/* aes_unwrap() does not support inplace decryption, so use a temporary
+	 * buffer for the data. */
+	if (aes_unwrap(r1kh->key, (FT_R0KH_R1KH_PULL_DATA_LEN + 7) / 8,
+		       frame->nonce, f.nonce) < 0) {
+		wpa_printf(MSG_DEBUG, "FT: Failed to decrypt PMK-R1 pull "
+			   "request from " MACSTR, MAC2STR(src_addr));
+		return -1;
+	}
+
+	wpa_hexdump(MSG_DEBUG, "FT: PMK-R1 pull - nonce",
+		    f.nonce, sizeof(f.nonce));
+	wpa_hexdump(MSG_DEBUG, "FT: PMK-R1 pull - PMKR0Name",
+		    f.pmk_r0_name, WPA_PMK_NAME_LEN);
+	wpa_printf(MSG_DEBUG, "FT: PMK-R1 pull - R1KH-ID=" MACSTR "S1KH-ID="
+		   MACSTR, MAC2STR(f.r1kh_id), MAC2STR(f.s1kh_id));
+
+	os_memset(&resp, 0, sizeof(resp));
+	resp.frame_type = RSN_REMOTE_FRAME_TYPE_FT_RRB;
+	resp.packet_type = FT_PACKET_R0KH_R1KH_RESP;
+	resp.data_length = host_to_le16(FT_R0KH_R1KH_RESP_DATA_LEN);
+	os_memcpy(resp.ap_address, wpa_auth->addr, ETH_ALEN);
+
+	/* aes_wrap() does not support inplace encryption, so use a temporary
+	 * buffer for the data. */
+	os_memcpy(r.nonce, f.nonce, sizeof(f.nonce));
+	os_memcpy(r.r1kh_id, f.r1kh_id, FT_R1KH_ID_LEN);
+	os_memcpy(r.s1kh_id, f.s1kh_id, ETH_ALEN);
+	if (wpa_ft_fetch_pmk_r0(wpa_auth, f.s1kh_id, f.pmk_r0_name, pmk_r0,
+				&pairwise) < 0) {
+		wpa_printf(MSG_DEBUG, "FT: No matching PMKR0Name found for "
+			   "PMK-R1 pull");
+		return -1;
+	}
+
+	wpa_derive_pmk_r1(pmk_r0, f.pmk_r0_name, f.r1kh_id, f.s1kh_id,
+			  r.pmk_r1, r.pmk_r1_name);
+	wpa_hexdump_key(MSG_DEBUG, "FT: PMK-R1", r.pmk_r1, PMK_LEN);
+	wpa_hexdump(MSG_DEBUG, "FT: PMKR1Name", r.pmk_r1_name,
+		    WPA_PMK_NAME_LEN);
+	r.pairwise = host_to_le16(pairwise);
+
+	if (aes_wrap(r1kh->key, (FT_R0KH_R1KH_RESP_DATA_LEN + 7) / 8,
+		     r.nonce, resp.nonce) < 0) {
+		os_memset(pmk_r0, 0, PMK_LEN);
+		return -1;
+	}
+
+	os_memset(pmk_r0, 0, PMK_LEN);
+
+	wpa_ft_rrb_send(wpa_auth, src_addr, (u8 *) &resp, sizeof(resp));
+
+	return 0;
+}
+
+
+static int wpa_ft_rrb_rx_resp(struct wpa_authenticator *wpa_auth,
+			      const u8 *src_addr,
+			      const u8 *data, size_t data_len)
+{
+	struct ft_r0kh_r1kh_resp_frame *frame, f;
+	struct ft_remote_r0kh *r0kh;
+	int pairwise;
+
+	wpa_printf(MSG_DEBUG, "FT: Received PMK-R1 pull response");
+
+	if (data_len < sizeof(*frame))
+		return -1;
+
+	r0kh = wpa_auth->conf.r0kh_list;
+	while (r0kh) {
+		if (os_memcmp(r0kh->addr, src_addr, ETH_ALEN) == 0)
+			break;
+		r0kh = r0kh->next;
+	}
+	if (r0kh == NULL) {
+		wpa_printf(MSG_DEBUG, "FT: No matching R0KH address found for "
+			   "PMK-R0 pull response source address " MACSTR,
+			   MAC2STR(src_addr));
+		return -1;
+	}
+
+	frame = (struct ft_r0kh_r1kh_resp_frame *) data;
+	/* aes_unwrap() does not support inplace decryption, so use a temporary
+	 * buffer for the data. */
+	if (aes_unwrap(r0kh->key, (FT_R0KH_R1KH_RESP_DATA_LEN + 7) / 8,
+		       frame->nonce, f.nonce) < 0) {
+		wpa_printf(MSG_DEBUG, "FT: Failed to decrypt PMK-R1 pull "
+			   "response from " MACSTR, MAC2STR(src_addr));
+		return -1;
+	}
+
+	if (os_memcmp(f.r1kh_id, wpa_auth->conf.r1_key_holder, FT_R1KH_ID_LEN)
+	    != 0) {
+		wpa_printf(MSG_DEBUG, "FT: PMK-R1 pull response did not use a "
+			   "matching R1KH-ID");
+		return -1;
+	}
+
+	/* TODO: verify that <nonce,s1kh_id> matches with a pending request
+	 * and call this requests callback function to finish request
+	 * processing */
+
+	pairwise = le_to_host16(f.pairwise);
+	wpa_hexdump(MSG_DEBUG, "FT: PMK-R1 pull - nonce",
+		    f.nonce, sizeof(f.nonce));
+	wpa_printf(MSG_DEBUG, "FT: PMK-R1 pull - R1KH-ID=" MACSTR "S1KH-ID="
+		   MACSTR " pairwise=0x%x",
+		   MAC2STR(f.r1kh_id), MAC2STR(f.s1kh_id), pairwise);
+	wpa_hexdump_key(MSG_DEBUG, "FT: PMK-R1 pull - PMK-R1",
+			f.pmk_r1, PMK_LEN);
+	wpa_hexdump(MSG_DEBUG, "FT: PMK-R1 pull - PMKR1Name",
+			f.pmk_r1_name, WPA_PMK_NAME_LEN);
+
+	wpa_ft_store_pmk_r1(wpa_auth, f.s1kh_id, f.pmk_r1, f.pmk_r1_name,
+			    pairwise);
+	os_memset(f.pmk_r1, 0, PMK_LEN);
+
+	return 0;
+}
+
+
+static int wpa_ft_rrb_rx_push(struct wpa_authenticator *wpa_auth,
+			      const u8 *src_addr,
+			      const u8 *data, size_t data_len)
+{
+	struct ft_r0kh_r1kh_push_frame *frame, f;
+	struct ft_remote_r0kh *r0kh;
+	struct os_time now;
+	os_time_t tsend;
+	int pairwise;
+
+	wpa_printf(MSG_DEBUG, "FT: Received PMK-R1 push");
+
+	if (data_len < sizeof(*frame))
+		return -1;
+
+	r0kh = wpa_auth->conf.r0kh_list;
+	while (r0kh) {
+		if (os_memcmp(r0kh->addr, src_addr, ETH_ALEN) == 0)
+			break;
+		r0kh = r0kh->next;
+	}
+	if (r0kh == NULL) {
+		wpa_printf(MSG_DEBUG, "FT: No matching R0KH address found for "
+			   "PMK-R0 push source address " MACSTR,
+			   MAC2STR(src_addr));
+		return -1;
+	}
+
+	frame = (struct ft_r0kh_r1kh_push_frame *) data;
+	/* aes_unwrap() does not support inplace decryption, so use a temporary
+	 * buffer for the data. */
+	if (aes_unwrap(r0kh->key, (FT_R0KH_R1KH_PUSH_DATA_LEN + 7) / 8,
+		       frame->timestamp, f.timestamp) < 0) {
+		wpa_printf(MSG_DEBUG, "FT: Failed to decrypt PMK-R1 push from "
+			   MACSTR, MAC2STR(src_addr));
+		return -1;
+	}
+
+	os_get_time(&now);
+	tsend = WPA_GET_LE32(f.timestamp);
+	if ((now.sec > tsend && now.sec - tsend > 60) ||
+	    (now.sec < tsend && tsend - now.sec > 60)) {
+		wpa_printf(MSG_DEBUG, "FT: PMK-R1 push did not have a valid "
+			   "timestamp: sender time %d own time %d\n",
+			   (int) tsend, (int) now.sec);
+		return -1;
+	}
+
+	if (os_memcmp(f.r1kh_id, wpa_auth->conf.r1_key_holder, FT_R1KH_ID_LEN)
+	    != 0) {
+		wpa_printf(MSG_DEBUG, "FT: PMK-R1 push did not use a matching "
+			   "R1KH-ID (received " MACSTR " own " MACSTR ")",
+			   MAC2STR(f.r1kh_id),
+			   MAC2STR(wpa_auth->conf.r1_key_holder));
+		return -1;
+	}
+
+	pairwise = le_to_host16(f.pairwise);
+	wpa_printf(MSG_DEBUG, "FT: PMK-R1 push - R1KH-ID=" MACSTR " S1KH-ID="
+		   MACSTR " pairwise=0x%x",
+		   MAC2STR(f.r1kh_id), MAC2STR(f.s1kh_id), pairwise);
+	wpa_hexdump_key(MSG_DEBUG, "FT: PMK-R1 push - PMK-R1",
+			f.pmk_r1, PMK_LEN);
+	wpa_hexdump(MSG_DEBUG, "FT: PMK-R1 push - PMKR1Name",
+			f.pmk_r1_name, WPA_PMK_NAME_LEN);
+
+	wpa_ft_store_pmk_r1(wpa_auth, f.s1kh_id, f.pmk_r1, f.pmk_r1_name,
+			    pairwise);
+	os_memset(f.pmk_r1, 0, PMK_LEN);
+
+	return 0;
+}
+
+
+int wpa_ft_rrb_rx(struct wpa_authenticator *wpa_auth, const u8 *src_addr,
+		  const u8 *data, size_t data_len)
+{
+	struct ft_rrb_frame *frame;
+	u16 alen;
+	const u8 *pos, *end, *start;
+	u8 action;
+	const u8 *sta_addr, *target_ap_addr;
+
+	wpa_printf(MSG_DEBUG, "FT: RRB received frame from remote AP " MACSTR,
+		   MAC2STR(src_addr));
+
+	if (data_len < sizeof(*frame)) {
+		wpa_printf(MSG_DEBUG, "FT: Too short RRB frame (data_len=%lu)",
+			   (unsigned long) data_len);
+		return -1;
+	}
+
+	pos = data;
+	frame = (struct ft_rrb_frame *) pos;
+	pos += sizeof(*frame);
+
+	alen = le_to_host16(frame->action_length);
+	wpa_printf(MSG_DEBUG, "FT: RRB frame - frame_type=%d packet_type=%d "
+		   "action_length=%d ap_address=" MACSTR,
+		   frame->frame_type, frame->packet_type, alen,
+		   MAC2STR(frame->ap_address));
+
+	if (frame->frame_type != RSN_REMOTE_FRAME_TYPE_FT_RRB) {
+		/* Discard frame per IEEE Std 802.11r-2008, 11A.10.3 */
+		wpa_printf(MSG_DEBUG, "FT: RRB discarded frame with "
+			   "unrecognized type %d", frame->frame_type);
+		return -1;
+	}
+
+	if (alen > data_len - sizeof(*frame)) {
+		wpa_printf(MSG_DEBUG, "FT: RRB frame too short for action "
+			   "frame");
+		return -1;
+	}
+
+	if (frame->packet_type == FT_PACKET_R0KH_R1KH_PULL)
+		return wpa_ft_rrb_rx_pull(wpa_auth, src_addr, data, data_len);
+	if (frame->packet_type == FT_PACKET_R0KH_R1KH_RESP)
+		return wpa_ft_rrb_rx_resp(wpa_auth, src_addr, data, data_len);
+	if (frame->packet_type == FT_PACKET_R0KH_R1KH_PUSH)
+		return wpa_ft_rrb_rx_push(wpa_auth, src_addr, data, data_len);
+
+	wpa_hexdump(MSG_MSGDUMP, "FT: RRB - FT Action frame", pos, alen);
+
+	if (alen < 1 + 1 + 2 * ETH_ALEN) {
+		wpa_printf(MSG_DEBUG, "FT: Too short RRB frame (not enough "
+			   "room for Action Frame body); alen=%lu",
+			   (unsigned long) alen);
+		return -1;
+	}
+	start = pos;
+	end = pos + alen;
+
+	if (*pos != WLAN_ACTION_FT) {
+		wpa_printf(MSG_DEBUG, "FT: Unexpected Action frame category "
+			   "%d", *pos);
+		return -1;
+	}
+
+	pos++;
+	action = *pos++;
+	sta_addr = pos;
+	pos += ETH_ALEN;
+	target_ap_addr = pos;
+	pos += ETH_ALEN;
+	wpa_printf(MSG_DEBUG, "FT: RRB Action Frame: action=%d sta_addr="
+		   MACSTR " target_ap_addr=" MACSTR,
+		   action, MAC2STR(sta_addr), MAC2STR(target_ap_addr));
+
+	if (frame->packet_type == FT_PACKET_REQUEST) {
+		wpa_printf(MSG_DEBUG, "FT: FT Packet Type - Request");
+
+		if (action != 1) {
+			wpa_printf(MSG_DEBUG, "FT: Unexpected Action %d in "
+				   "RRB Request", action);
+			return -1;
+		}
+
+		if (os_memcmp(target_ap_addr, wpa_auth->addr, ETH_ALEN) != 0) {
+			wpa_printf(MSG_DEBUG, "FT: Target AP address in the "
+				   "RRB Request does not match with own "
+				   "address");
+			return -1;
+		}
+
+		if (wpa_ft_rrb_rx_request(wpa_auth, frame->ap_address,
+					  sta_addr, pos, end - pos) < 0)
+			return -1;
+	} else if (frame->packet_type == FT_PACKET_RESPONSE) {
+		u16 status_code;
+
+		if (end - pos < 2) {
+			wpa_printf(MSG_DEBUG, "FT: Not enough room for status "
+				   "code in RRB Response");
+			return -1;
+		}
+		status_code = WPA_GET_LE16(pos);
+		pos += 2;
+
+		wpa_printf(MSG_DEBUG, "FT: FT Packet Type - Response "
+			   "(status_code=%d)", status_code);
+
+		if (wpa_ft_action_send(wpa_auth, sta_addr, start, alen) < 0)
+			return -1;
+	} else {
+		wpa_printf(MSG_DEBUG, "FT: RRB discarded frame with unknown "
+			   "packet_type %d", frame->packet_type);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static void wpa_ft_generate_pmk_r1(struct wpa_authenticator *wpa_auth,
+				   struct wpa_ft_pmk_r0_sa *pmk_r0,
+				   struct ft_remote_r1kh *r1kh,
+				   const u8 *s1kh_id, int pairwise)
+{
+	struct ft_r0kh_r1kh_push_frame frame, f;
+	struct os_time now;
+
+	os_memset(&frame, 0, sizeof(frame));
+	frame.frame_type = RSN_REMOTE_FRAME_TYPE_FT_RRB;
+	frame.packet_type = FT_PACKET_R0KH_R1KH_PUSH;
+	frame.data_length = host_to_le16(FT_R0KH_R1KH_PUSH_DATA_LEN);
+	os_memcpy(frame.ap_address, wpa_auth->addr, ETH_ALEN);
+
+	/* aes_wrap() does not support inplace encryption, so use a temporary
+	 * buffer for the data. */
+	os_memcpy(f.r1kh_id, r1kh->id, FT_R1KH_ID_LEN);
+	os_memcpy(f.s1kh_id, s1kh_id, ETH_ALEN);
+	os_memcpy(f.pmk_r0_name, pmk_r0->pmk_r0_name, WPA_PMK_NAME_LEN);
+	wpa_derive_pmk_r1(pmk_r0->pmk_r0, pmk_r0->pmk_r0_name, r1kh->id,
+			  s1kh_id, f.pmk_r1, f.pmk_r1_name);
+	wpa_printf(MSG_DEBUG, "FT: R1KH-ID " MACSTR, MAC2STR(r1kh->id));
+	wpa_hexdump_key(MSG_DEBUG, "FT: PMK-R1", f.pmk_r1, PMK_LEN);
+	wpa_hexdump(MSG_DEBUG, "FT: PMKR1Name", f.pmk_r1_name,
+		    WPA_PMK_NAME_LEN);
+	os_get_time(&now);
+	WPA_PUT_LE32(f.timestamp, now.sec);
+	f.pairwise = host_to_le16(pairwise);
+	if (aes_wrap(r1kh->key, (FT_R0KH_R1KH_PUSH_DATA_LEN + 7) / 8,
+		     f.timestamp, frame.timestamp) < 0)
+		return;
+
+	wpa_ft_rrb_send(wpa_auth, r1kh->addr, (u8 *) &frame, sizeof(frame));
+}
+
+
+void wpa_ft_push_pmk_r1(struct wpa_authenticator *wpa_auth, const u8 *addr)
+{
+	struct wpa_ft_pmk_r0_sa *r0;
+	struct ft_remote_r1kh *r1kh;
+
+	if (!wpa_auth->conf.pmk_r1_push)
+		return;
+
+	r0 = wpa_auth->ft_pmk_cache->pmk_r0;
+	while (r0) {
+		if (os_memcmp(r0->spa, addr, ETH_ALEN) == 0)
+			break;
+		r0 = r0->next;
+	}
+
+	if (r0 == NULL || r0->pmk_r1_pushed)
+		return;
+	r0->pmk_r1_pushed = 1;
+
+	wpa_printf(MSG_DEBUG, "FT: Deriving and pushing PMK-R1 keys to R1KHs "
+		   "for STA " MACSTR, MAC2STR(addr));
+
+	r1kh = wpa_auth->conf.r1kh_list;
+	while (r1kh) {
+		wpa_ft_generate_pmk_r1(wpa_auth, r0, r1kh, addr, r0->pairwise);
+		r1kh = r1kh->next;
+	}
+}
+
+#endif /* CONFIG_IEEE80211R */
diff --git a/src/ap/wpa_auth_glue.c b/src/ap/wpa_auth_glue.c
new file mode 100644
index 0000000..b35b7ba
--- /dev/null
+++ b/src/ap/wpa_auth_glue.c
@@ -0,0 +1,571 @@
+/*
+ * hostapd / WPA authenticator glue code
+ * Copyright (c) 2002-2011, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "common/ieee802_11_defs.h"
+#include "eapol_auth/eapol_auth_sm.h"
+#include "eapol_auth/eapol_auth_sm_i.h"
+#include "eap_server/eap.h"
+#include "l2_packet/l2_packet.h"
+#include "drivers/driver.h"
+#include "hostapd.h"
+#include "ieee802_1x.h"
+#include "preauth_auth.h"
+#include "sta_info.h"
+#include "tkip_countermeasures.h"
+#include "ap_drv_ops.h"
+#include "ap_config.h"
+#include "wpa_auth.h"
+
+
+static void hostapd_wpa_auth_conf(struct hostapd_bss_config *conf,
+				  struct wpa_auth_config *wconf)
+{
+	wconf->wpa = conf->wpa;
+	wconf->wpa_key_mgmt = conf->wpa_key_mgmt;
+	wconf->wpa_pairwise = conf->wpa_pairwise;
+	wconf->wpa_group = conf->wpa_group;
+	wconf->wpa_group_rekey = conf->wpa_group_rekey;
+	wconf->wpa_strict_rekey = conf->wpa_strict_rekey;
+	wconf->wpa_gmk_rekey = conf->wpa_gmk_rekey;
+	wconf->wpa_ptk_rekey = conf->wpa_ptk_rekey;
+	wconf->rsn_pairwise = conf->rsn_pairwise;
+	wconf->rsn_preauth = conf->rsn_preauth;
+	wconf->eapol_version = conf->eapol_version;
+	wconf->peerkey = conf->peerkey;
+	wconf->wmm_enabled = conf->wmm_enabled;
+	wconf->wmm_uapsd = conf->wmm_uapsd;
+	wconf->okc = conf->okc;
+#ifdef CONFIG_IEEE80211W
+	wconf->ieee80211w = conf->ieee80211w;
+#endif /* CONFIG_IEEE80211W */
+#ifdef CONFIG_IEEE80211R
+	wconf->ssid_len = conf->ssid.ssid_len;
+	if (wconf->ssid_len > SSID_LEN)
+		wconf->ssid_len = SSID_LEN;
+	os_memcpy(wconf->ssid, conf->ssid.ssid, wconf->ssid_len);
+	os_memcpy(wconf->mobility_domain, conf->mobility_domain,
+		  MOBILITY_DOMAIN_ID_LEN);
+	if (conf->nas_identifier &&
+	    os_strlen(conf->nas_identifier) <= FT_R0KH_ID_MAX_LEN) {
+		wconf->r0_key_holder_len = os_strlen(conf->nas_identifier);
+		os_memcpy(wconf->r0_key_holder, conf->nas_identifier,
+			  wconf->r0_key_holder_len);
+	}
+	os_memcpy(wconf->r1_key_holder, conf->r1_key_holder, FT_R1KH_ID_LEN);
+	wconf->r0_key_lifetime = conf->r0_key_lifetime;
+	wconf->reassociation_deadline = conf->reassociation_deadline;
+	wconf->r0kh_list = conf->r0kh_list;
+	wconf->r1kh_list = conf->r1kh_list;
+	wconf->pmk_r1_push = conf->pmk_r1_push;
+	wconf->ft_over_ds = conf->ft_over_ds;
+#endif /* CONFIG_IEEE80211R */
+}
+
+
+static void hostapd_wpa_auth_logger(void *ctx, const u8 *addr,
+				    logger_level level, const char *txt)
+{
+#ifndef CONFIG_NO_HOSTAPD_LOGGER
+	struct hostapd_data *hapd = ctx;
+	int hlevel;
+
+	switch (level) {
+	case LOGGER_WARNING:
+		hlevel = HOSTAPD_LEVEL_WARNING;
+		break;
+	case LOGGER_INFO:
+		hlevel = HOSTAPD_LEVEL_INFO;
+		break;
+	case LOGGER_DEBUG:
+	default:
+		hlevel = HOSTAPD_LEVEL_DEBUG;
+		break;
+	}
+
+	hostapd_logger(hapd, addr, HOSTAPD_MODULE_WPA, hlevel, "%s", txt);
+#endif /* CONFIG_NO_HOSTAPD_LOGGER */
+}
+
+
+static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr,
+					u16 reason)
+{
+	struct hostapd_data *hapd = ctx;
+	wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: "
+		   "STA " MACSTR " reason %d",
+		   __func__, MAC2STR(addr), reason);
+	ap_sta_disconnect(hapd, NULL, addr, reason);
+}
+
+
+static void hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr)
+{
+	struct hostapd_data *hapd = ctx;
+	michael_mic_failure(hapd, addr, 0);
+}
+
+
+static void hostapd_wpa_auth_set_eapol(void *ctx, const u8 *addr,
+				       wpa_eapol_variable var, int value)
+{
+	struct hostapd_data *hapd = ctx;
+	struct sta_info *sta = ap_get_sta(hapd, addr);
+	if (sta == NULL)
+		return;
+	switch (var) {
+	case WPA_EAPOL_portEnabled:
+		ieee802_1x_notify_port_enabled(sta->eapol_sm, value);
+		break;
+	case WPA_EAPOL_portValid:
+		ieee802_1x_notify_port_valid(sta->eapol_sm, value);
+		break;
+	case WPA_EAPOL_authorized:
+		ieee802_1x_set_sta_authorized(hapd, sta, value);
+		break;
+	case WPA_EAPOL_portControl_Auto:
+		if (sta->eapol_sm)
+			sta->eapol_sm->portControl = Auto;
+		break;
+	case WPA_EAPOL_keyRun:
+		if (sta->eapol_sm)
+			sta->eapol_sm->keyRun = value ? TRUE : FALSE;
+		break;
+	case WPA_EAPOL_keyAvailable:
+		if (sta->eapol_sm)
+			sta->eapol_sm->eap_if->eapKeyAvailable =
+				value ? TRUE : FALSE;
+		break;
+	case WPA_EAPOL_keyDone:
+		if (sta->eapol_sm)
+			sta->eapol_sm->keyDone = value ? TRUE : FALSE;
+		break;
+	case WPA_EAPOL_inc_EapolFramesTx:
+		if (sta->eapol_sm)
+			sta->eapol_sm->dot1xAuthEapolFramesTx++;
+		break;
+	}
+}
+
+
+static int hostapd_wpa_auth_get_eapol(void *ctx, const u8 *addr,
+				      wpa_eapol_variable var)
+{
+	struct hostapd_data *hapd = ctx;
+	struct sta_info *sta = ap_get_sta(hapd, addr);
+	if (sta == NULL || sta->eapol_sm == NULL)
+		return -1;
+	switch (var) {
+	case WPA_EAPOL_keyRun:
+		return sta->eapol_sm->keyRun;
+	case WPA_EAPOL_keyAvailable:
+		return sta->eapol_sm->eap_if->eapKeyAvailable;
+	default:
+		return -1;
+	}
+}
+
+
+static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr,
+					   const u8 *prev_psk)
+{
+	struct hostapd_data *hapd = ctx;
+	return hostapd_get_psk(hapd->conf, addr, prev_psk);
+}
+
+
+static int hostapd_wpa_auth_get_msk(void *ctx, const u8 *addr, u8 *msk,
+				    size_t *len)
+{
+	struct hostapd_data *hapd = ctx;
+	const u8 *key;
+	size_t keylen;
+	struct sta_info *sta;
+
+	sta = ap_get_sta(hapd, addr);
+	if (sta == NULL)
+		return -1;
+
+	key = ieee802_1x_get_key(sta->eapol_sm, &keylen);
+	if (key == NULL)
+		return -1;
+
+	if (keylen > *len)
+		keylen = *len;
+	os_memcpy(msk, key, keylen);
+	*len = keylen;
+
+	return 0;
+}
+
+
+static int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, enum wpa_alg alg,
+				    const u8 *addr, int idx, u8 *key,
+				    size_t key_len)
+{
+	struct hostapd_data *hapd = ctx;
+	const char *ifname = hapd->conf->iface;
+
+	if (vlan_id > 0) {
+		ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id);
+		if (ifname == NULL)
+			return -1;
+	}
+
+	return hostapd_drv_set_key(ifname, hapd, alg, addr, idx, 1, NULL, 0,
+				   key, key_len);
+}
+
+
+static int hostapd_wpa_auth_get_seqnum(void *ctx, const u8 *addr, int idx,
+				       u8 *seq)
+{
+	struct hostapd_data *hapd = ctx;
+	return hostapd_get_seqnum(hapd->conf->iface, hapd, addr, idx, seq);
+}
+
+
+static int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr,
+				       const u8 *data, size_t data_len,
+				       int encrypt)
+{
+	struct hostapd_data *hapd = ctx;
+	struct sta_info *sta;
+	u32 flags = 0;
+
+	sta = ap_get_sta(hapd, addr);
+	if (sta)
+		flags = hostapd_sta_flags_to_drv(sta->flags);
+
+	return hostapd_drv_hapd_send_eapol(hapd, addr, data, data_len,
+					   encrypt, flags);
+}
+
+
+static int hostapd_wpa_auth_for_each_sta(
+	void *ctx, int (*cb)(struct wpa_state_machine *sm, void *ctx),
+	void *cb_ctx)
+{
+	struct hostapd_data *hapd = ctx;
+	struct sta_info *sta;
+
+	for (sta = hapd->sta_list; sta; sta = sta->next) {
+		if (sta->wpa_sm && cb(sta->wpa_sm, cb_ctx))
+			return 1;
+	}
+	return 0;
+}
+
+
+struct wpa_auth_iface_iter_data {
+	int (*cb)(struct wpa_authenticator *sm, void *ctx);
+	void *cb_ctx;
+};
+
+static int wpa_auth_iface_iter(struct hostapd_iface *iface, void *ctx)
+{
+	struct wpa_auth_iface_iter_data *data = ctx;
+	size_t i;
+	for (i = 0; i < iface->num_bss; i++) {
+		if (iface->bss[i]->wpa_auth &&
+		    data->cb(iface->bss[i]->wpa_auth, data->cb_ctx))
+			return 1;
+	}
+	return 0;
+}
+
+
+static int hostapd_wpa_auth_for_each_auth(
+	void *ctx, int (*cb)(struct wpa_authenticator *sm, void *ctx),
+	void *cb_ctx)
+{
+	struct hostapd_data *hapd = ctx;
+	struct wpa_auth_iface_iter_data data;
+	if (hapd->iface->for_each_interface == NULL)
+		return -1;
+	data.cb = cb;
+	data.cb_ctx = cb_ctx;
+	return hapd->iface->for_each_interface(hapd->iface->interfaces,
+					       wpa_auth_iface_iter, &data);
+}
+
+
+#ifdef CONFIG_IEEE80211R
+
+struct wpa_auth_ft_iface_iter_data {
+	struct hostapd_data *src_hapd;
+	const u8 *dst;
+	const u8 *data;
+	size_t data_len;
+};
+
+
+static int hostapd_wpa_auth_ft_iter(struct hostapd_iface *iface, void *ctx)
+{
+	struct wpa_auth_ft_iface_iter_data *idata = ctx;
+	struct hostapd_data *hapd;
+	size_t j;
+
+	for (j = 0; j < iface->num_bss; j++) {
+		hapd = iface->bss[j];
+		if (hapd == idata->src_hapd)
+			continue;
+		if (os_memcmp(hapd->own_addr, idata->dst, ETH_ALEN) == 0) {
+			wpa_printf(MSG_DEBUG, "FT: Send RRB data directly to "
+				   "locally managed BSS " MACSTR "@%s -> "
+				   MACSTR "@%s",
+				   MAC2STR(idata->src_hapd->own_addr),
+				   idata->src_hapd->conf->iface,
+				   MAC2STR(hapd->own_addr), hapd->conf->iface);
+			wpa_ft_rrb_rx(hapd->wpa_auth,
+				      idata->src_hapd->own_addr,
+				      idata->data, idata->data_len);
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+#endif /* CONFIG_IEEE80211R */
+
+
+static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto,
+				       const u8 *data, size_t data_len)
+{
+	struct hostapd_data *hapd = ctx;
+	struct l2_ethhdr *buf;
+	int ret;
+
+#ifdef CONFIG_IEEE80211R
+	if (proto == ETH_P_RRB && hapd->iface->for_each_interface) {
+		int res;
+		struct wpa_auth_ft_iface_iter_data idata;
+		idata.src_hapd = hapd;
+		idata.dst = dst;
+		idata.data = data;
+		idata.data_len = data_len;
+		res = hapd->iface->for_each_interface(hapd->iface->interfaces,
+						      hostapd_wpa_auth_ft_iter,
+						      &idata);
+		if (res == 1)
+			return data_len;
+	}
+#endif /* CONFIG_IEEE80211R */
+
+	if (hapd->driver && hapd->driver->send_ether)
+		return hapd->driver->send_ether(hapd->drv_priv, dst,
+						hapd->own_addr, proto,
+						data, data_len);
+	if (hapd->l2 == NULL)
+		return -1;
+
+	buf = os_malloc(sizeof(*buf) + data_len);
+	if (buf == NULL)
+		return -1;
+	os_memcpy(buf->h_dest, dst, ETH_ALEN);
+	os_memcpy(buf->h_source, hapd->own_addr, ETH_ALEN);
+	buf->h_proto = host_to_be16(proto);
+	os_memcpy(buf + 1, data, data_len);
+	ret = l2_packet_send(hapd->l2, dst, proto, (u8 *) buf,
+			     sizeof(*buf) + data_len);
+	os_free(buf);
+	return -1;
+}
+
+
+#ifdef CONFIG_IEEE80211R
+
+static int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst,
+					   const u8 *data, size_t data_len)
+{
+	struct hostapd_data *hapd = ctx;
+	int res;
+	struct ieee80211_mgmt *m;
+	size_t mlen;
+	struct sta_info *sta;
+
+	sta = ap_get_sta(hapd, dst);
+	if (sta == NULL || sta->wpa_sm == NULL)
+		return -1;
+
+	m = os_zalloc(sizeof(*m) + data_len);
+	if (m == NULL)
+		return -1;
+	mlen = ((u8 *) &m->u - (u8 *) m) + data_len;
+	m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
+					WLAN_FC_STYPE_ACTION);
+	os_memcpy(m->da, dst, ETH_ALEN);
+	os_memcpy(m->sa, hapd->own_addr, ETH_ALEN);
+	os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN);
+	os_memcpy(&m->u, data, data_len);
+
+	res = hostapd_drv_send_mlme(hapd, (u8 *) m, mlen);
+	os_free(m);
+	return res;
+}
+
+
+static struct wpa_state_machine *
+hostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr)
+{
+	struct hostapd_data *hapd = ctx;
+	struct sta_info *sta;
+
+	sta = ap_sta_add(hapd, sta_addr);
+	if (sta == NULL)
+		return NULL;
+	if (sta->wpa_sm) {
+		sta->auth_alg = WLAN_AUTH_FT;
+		return sta->wpa_sm;
+	}
+
+	sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr);
+	if (sta->wpa_sm == NULL) {
+		ap_free_sta(hapd, sta);
+		return NULL;
+	}
+	sta->auth_alg = WLAN_AUTH_FT;
+
+	return sta->wpa_sm;
+}
+
+
+static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf,
+				size_t len)
+{
+	struct hostapd_data *hapd = ctx;
+	struct l2_ethhdr *ethhdr;
+	if (len < sizeof(*ethhdr))
+		return;
+	ethhdr = (struct l2_ethhdr *) buf;
+	wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> "
+		   MACSTR, MAC2STR(ethhdr->h_source), MAC2STR(ethhdr->h_dest));
+	wpa_ft_rrb_rx(hapd->wpa_auth, ethhdr->h_source, buf + sizeof(*ethhdr),
+		      len - sizeof(*ethhdr));
+}
+
+#endif /* CONFIG_IEEE80211R */
+
+
+int hostapd_setup_wpa(struct hostapd_data *hapd)
+{
+	struct wpa_auth_config _conf;
+	struct wpa_auth_callbacks cb;
+	const u8 *wpa_ie;
+	size_t wpa_ie_len;
+
+	hostapd_wpa_auth_conf(hapd->conf, &_conf);
+	if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EAPOL_TX_STATUS)
+		_conf.tx_status = 1;
+	os_memset(&cb, 0, sizeof(cb));
+	cb.ctx = hapd;
+	cb.logger = hostapd_wpa_auth_logger;
+	cb.disconnect = hostapd_wpa_auth_disconnect;
+	cb.mic_failure_report = hostapd_wpa_auth_mic_failure_report;
+	cb.set_eapol = hostapd_wpa_auth_set_eapol;
+	cb.get_eapol = hostapd_wpa_auth_get_eapol;
+	cb.get_psk = hostapd_wpa_auth_get_psk;
+	cb.get_msk = hostapd_wpa_auth_get_msk;
+	cb.set_key = hostapd_wpa_auth_set_key;
+	cb.get_seqnum = hostapd_wpa_auth_get_seqnum;
+	cb.send_eapol = hostapd_wpa_auth_send_eapol;
+	cb.for_each_sta = hostapd_wpa_auth_for_each_sta;
+	cb.for_each_auth = hostapd_wpa_auth_for_each_auth;
+	cb.send_ether = hostapd_wpa_auth_send_ether;
+#ifdef CONFIG_IEEE80211R
+	cb.send_ft_action = hostapd_wpa_auth_send_ft_action;
+	cb.add_sta = hostapd_wpa_auth_add_sta;
+#endif /* CONFIG_IEEE80211R */
+	hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb);
+	if (hapd->wpa_auth == NULL) {
+		wpa_printf(MSG_ERROR, "WPA initialization failed.");
+		return -1;
+	}
+
+	if (hostapd_set_privacy(hapd, 1)) {
+		wpa_printf(MSG_ERROR, "Could not set PrivacyInvoked "
+			   "for interface %s", hapd->conf->iface);
+		return -1;
+	}
+
+	wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len);
+	if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) {
+		wpa_printf(MSG_ERROR, "Failed to configure WPA IE for "
+			   "the kernel driver.");
+		return -1;
+	}
+
+	if (rsn_preauth_iface_init(hapd)) {
+		wpa_printf(MSG_ERROR, "Initialization of RSN "
+			   "pre-authentication failed.");
+		return -1;
+	}
+
+#ifdef CONFIG_IEEE80211R
+	if (!hostapd_drv_none(hapd)) {
+		hapd->l2 = l2_packet_init(hapd->conf->bridge[0] ?
+					  hapd->conf->bridge :
+					  hapd->conf->iface, NULL, ETH_P_RRB,
+					  hostapd_rrb_receive, hapd, 1);
+		if (hapd->l2 == NULL &&
+		    (hapd->driver == NULL ||
+		     hapd->driver->send_ether == NULL)) {
+			wpa_printf(MSG_ERROR, "Failed to open l2_packet "
+				   "interface");
+			return -1;
+		}
+	}
+#endif /* CONFIG_IEEE80211R */
+
+	return 0;
+
+}
+
+
+void hostapd_reconfig_wpa(struct hostapd_data *hapd)
+{
+	struct wpa_auth_config wpa_auth_conf;
+	hostapd_wpa_auth_conf(hapd->conf, &wpa_auth_conf);
+	wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf);
+}
+
+
+void hostapd_deinit_wpa(struct hostapd_data *hapd)
+{
+	rsn_preauth_iface_deinit(hapd);
+	if (hapd->wpa_auth) {
+		wpa_deinit(hapd->wpa_auth);
+		hapd->wpa_auth = NULL;
+
+		if (hostapd_set_privacy(hapd, 0)) {
+			wpa_printf(MSG_DEBUG, "Could not disable "
+				   "PrivacyInvoked for interface %s",
+				   hapd->conf->iface);
+		}
+
+		if (hostapd_set_generic_elem(hapd, (u8 *) "", 0)) {
+			wpa_printf(MSG_DEBUG, "Could not remove generic "
+				   "information element from interface %s",
+				   hapd->conf->iface);
+		}
+	}
+	ieee802_1x_deinit(hapd);
+
+#ifdef CONFIG_IEEE80211R
+	l2_packet_deinit(hapd->l2);
+#endif /* CONFIG_IEEE80211R */
+}
diff --git a/src/ap/wpa_auth_glue.h b/src/ap/wpa_auth_glue.h
new file mode 100644
index 0000000..79d7e05
--- /dev/null
+++ b/src/ap/wpa_auth_glue.h
@@ -0,0 +1,22 @@
+/*
+ * hostapd / WPA authenticator glue code
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef WPA_AUTH_GLUE_H
+#define WPA_AUTH_GLUE_H
+
+int hostapd_setup_wpa(struct hostapd_data *hapd);
+void hostapd_reconfig_wpa(struct hostapd_data *hapd);
+void hostapd_deinit_wpa(struct hostapd_data *hapd);
+
+#endif /* WPA_AUTH_GLUE_H */
diff --git a/src/ap/wpa_auth_i.h b/src/ap/wpa_auth_i.h
new file mode 100644
index 0000000..67a5c3b
--- /dev/null
+++ b/src/ap/wpa_auth_i.h
@@ -0,0 +1,234 @@
+/*
+ * hostapd - IEEE 802.11i-2004 / WPA Authenticator: Internal definitions
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef WPA_AUTH_I_H
+#define WPA_AUTH_I_H
+
+/* max(dot11RSNAConfigGroupUpdateCount,dot11RSNAConfigPairwiseUpdateCount) */
+#define RSNA_MAX_EAPOL_RETRIES 4
+
+struct wpa_group;
+
+struct wpa_stsl_negotiation {
+	struct wpa_stsl_negotiation *next;
+	u8 initiator[ETH_ALEN];
+	u8 peer[ETH_ALEN];
+};
+
+
+struct wpa_state_machine {
+	struct wpa_authenticator *wpa_auth;
+	struct wpa_group *group;
+
+	u8 addr[ETH_ALEN];
+
+	enum {
+		WPA_PTK_INITIALIZE, WPA_PTK_DISCONNECT, WPA_PTK_DISCONNECTED,
+		WPA_PTK_AUTHENTICATION, WPA_PTK_AUTHENTICATION2,
+		WPA_PTK_INITPMK, WPA_PTK_INITPSK, WPA_PTK_PTKSTART,
+		WPA_PTK_PTKCALCNEGOTIATING, WPA_PTK_PTKCALCNEGOTIATING2,
+		WPA_PTK_PTKINITNEGOTIATING, WPA_PTK_PTKINITDONE
+	} wpa_ptk_state;
+
+	enum {
+		WPA_PTK_GROUP_IDLE = 0,
+		WPA_PTK_GROUP_REKEYNEGOTIATING,
+		WPA_PTK_GROUP_REKEYESTABLISHED,
+		WPA_PTK_GROUP_KEYERROR
+	} wpa_ptk_group_state;
+
+	Boolean Init;
+	Boolean DeauthenticationRequest;
+	Boolean AuthenticationRequest;
+	Boolean ReAuthenticationRequest;
+	Boolean Disconnect;
+	int TimeoutCtr;
+	int GTimeoutCtr;
+	Boolean TimeoutEvt;
+	Boolean EAPOLKeyReceived;
+	Boolean EAPOLKeyPairwise;
+	Boolean EAPOLKeyRequest;
+	Boolean MICVerified;
+	Boolean GUpdateStationKeys;
+	u8 ANonce[WPA_NONCE_LEN];
+	u8 SNonce[WPA_NONCE_LEN];
+	u8 PMK[PMK_LEN];
+	struct wpa_ptk PTK;
+	Boolean PTK_valid;
+	Boolean pairwise_set;
+	int keycount;
+	Boolean Pair;
+	struct {
+		u8 counter[WPA_REPLAY_COUNTER_LEN];
+		Boolean valid;
+	} key_replay[RSNA_MAX_EAPOL_RETRIES];
+	Boolean PInitAKeys; /* WPA only, not in IEEE 802.11i */
+	Boolean PTKRequest; /* not in IEEE 802.11i state machine */
+	Boolean has_GTK;
+	Boolean PtkGroupInit; /* init request for PTK Group state machine */
+
+	u8 *last_rx_eapol_key; /* starting from IEEE 802.1X header */
+	size_t last_rx_eapol_key_len;
+
+	unsigned int changed:1;
+	unsigned int in_step_loop:1;
+	unsigned int pending_deinit:1;
+	unsigned int started:1;
+	unsigned int mgmt_frame_prot:1;
+#ifdef CONFIG_IEEE80211R
+	unsigned int ft_completed:1;
+	unsigned int pmk_r1_name_valid:1;
+#endif /* CONFIG_IEEE80211R */
+
+	u8 req_replay_counter[WPA_REPLAY_COUNTER_LEN];
+	int req_replay_counter_used;
+
+	u8 *wpa_ie;
+	size_t wpa_ie_len;
+
+	enum {
+		WPA_VERSION_NO_WPA = 0 /* WPA not used */,
+		WPA_VERSION_WPA = 1 /* WPA / IEEE 802.11i/D3.0 */,
+		WPA_VERSION_WPA2 = 2 /* WPA2 / IEEE 802.11i */
+	} wpa;
+	int pairwise; /* Pairwise cipher suite, WPA_CIPHER_* */
+	int wpa_key_mgmt; /* the selected WPA_KEY_MGMT_* */
+	struct rsn_pmksa_cache_entry *pmksa;
+
+	u32 dot11RSNAStatsTKIPLocalMICFailures;
+	u32 dot11RSNAStatsTKIPRemoteMICFailures;
+
+#ifdef CONFIG_IEEE80211R
+	u8 xxkey[PMK_LEN]; /* PSK or the second 256 bits of MSK */
+	size_t xxkey_len;
+	u8 pmk_r1_name[WPA_PMK_NAME_LEN]; /* PMKR1Name derived from FT Auth
+					   * Request */
+	u8 r0kh_id[FT_R0KH_ID_MAX_LEN]; /* R0KH-ID from FT Auth Request */
+	size_t r0kh_id_len;
+	u8 sup_pmk_r1_name[WPA_PMK_NAME_LEN]; /* PMKR1Name from EAPOL-Key
+					       * message 2/4 */
+	u8 *assoc_resp_ftie;
+#endif /* CONFIG_IEEE80211R */
+
+	int pending_1_of_4_timeout;
+};
+
+
+/* per group key state machine data */
+struct wpa_group {
+	struct wpa_group *next;
+	int vlan_id;
+
+	Boolean GInit;
+	int GKeyDoneStations;
+	Boolean GTKReKey;
+	int GTK_len;
+	int GN, GM;
+	Boolean GTKAuthenticator;
+	u8 Counter[WPA_NONCE_LEN];
+
+	enum {
+		WPA_GROUP_GTK_INIT = 0,
+		WPA_GROUP_SETKEYS, WPA_GROUP_SETKEYSDONE
+	} wpa_group_state;
+
+	u8 GMK[WPA_GMK_LEN];
+	u8 GTK[2][WPA_GTK_MAX_LEN];
+	u8 GNonce[WPA_NONCE_LEN];
+	Boolean changed;
+	Boolean first_sta_seen;
+	Boolean reject_4way_hs_for_entropy;
+#ifdef CONFIG_IEEE80211W
+	u8 IGTK[2][WPA_IGTK_LEN];
+	int GN_igtk, GM_igtk;
+#endif /* CONFIG_IEEE80211W */
+};
+
+
+struct wpa_ft_pmk_cache;
+
+/* per authenticator data */
+struct wpa_authenticator {
+	struct wpa_group *group;
+
+	unsigned int dot11RSNAStatsTKIPRemoteMICFailures;
+	u32 dot11RSNAAuthenticationSuiteSelected;
+	u32 dot11RSNAPairwiseCipherSelected;
+	u32 dot11RSNAGroupCipherSelected;
+	u8 dot11RSNAPMKIDUsed[PMKID_LEN];
+	u32 dot11RSNAAuthenticationSuiteRequested; /* FIX: update */
+	u32 dot11RSNAPairwiseCipherRequested; /* FIX: update */
+	u32 dot11RSNAGroupCipherRequested; /* FIX: update */
+	unsigned int dot11RSNATKIPCounterMeasuresInvoked;
+	unsigned int dot11RSNA4WayHandshakeFailures;
+
+	struct wpa_stsl_negotiation *stsl_negotiations;
+
+	struct wpa_auth_config conf;
+	struct wpa_auth_callbacks cb;
+
+	u8 *wpa_ie;
+	size_t wpa_ie_len;
+
+	u8 addr[ETH_ALEN];
+
+	struct rsn_pmksa_cache *pmksa;
+	struct wpa_ft_pmk_cache *ft_pmk_cache;
+};
+
+
+int wpa_write_rsn_ie(struct wpa_auth_config *conf, u8 *buf, size_t len,
+		     const u8 *pmkid);
+void wpa_auth_logger(struct wpa_authenticator *wpa_auth, const u8 *addr,
+		     logger_level level, const char *txt);
+void wpa_auth_vlogger(struct wpa_authenticator *wpa_auth, const u8 *addr,
+		      logger_level level, const char *fmt, ...);
+void __wpa_send_eapol(struct wpa_authenticator *wpa_auth,
+		      struct wpa_state_machine *sm, int key_info,
+		      const u8 *key_rsc, const u8 *nonce,
+		      const u8 *kde, size_t kde_len,
+		      int keyidx, int encr, int force_version);
+int wpa_auth_for_each_sta(struct wpa_authenticator *wpa_auth,
+			  int (*cb)(struct wpa_state_machine *sm, void *ctx),
+			  void *cb_ctx);
+int wpa_auth_for_each_auth(struct wpa_authenticator *wpa_auth,
+			   int (*cb)(struct wpa_authenticator *a, void *ctx),
+			   void *cb_ctx);
+
+#ifdef CONFIG_PEERKEY
+int wpa_stsl_remove(struct wpa_authenticator *wpa_auth,
+		    struct wpa_stsl_negotiation *neg);
+void wpa_smk_error(struct wpa_authenticator *wpa_auth,
+		   struct wpa_state_machine *sm, struct wpa_eapol_key *key);
+void wpa_smk_m1(struct wpa_authenticator *wpa_auth,
+		struct wpa_state_machine *sm, struct wpa_eapol_key *key);
+void wpa_smk_m3(struct wpa_authenticator *wpa_auth,
+		struct wpa_state_machine *sm, struct wpa_eapol_key *key);
+#endif /* CONFIG_PEERKEY */
+
+#ifdef CONFIG_IEEE80211R
+int wpa_write_mdie(struct wpa_auth_config *conf, u8 *buf, size_t len);
+int wpa_write_ftie(struct wpa_auth_config *conf, const u8 *r0kh_id,
+		   size_t r0kh_id_len,
+		   const u8 *anonce, const u8 *snonce,
+		   u8 *buf, size_t len, const u8 *subelem,
+		   size_t subelem_len);
+int wpa_auth_derive_ptk_ft(struct wpa_state_machine *sm, const u8 *pmk,
+			   struct wpa_ptk *ptk, size_t ptk_len);
+struct wpa_ft_pmk_cache * wpa_ft_pmk_cache_init(void);
+void wpa_ft_pmk_cache_deinit(struct wpa_ft_pmk_cache *cache);
+void wpa_ft_install_ptk(struct wpa_state_machine *sm);
+#endif /* CONFIG_IEEE80211R */
+
+#endif /* WPA_AUTH_I_H */
diff --git a/src/ap/wpa_auth_ie.c b/src/ap/wpa_auth_ie.c
new file mode 100644
index 0000000..5e8d134
--- /dev/null
+++ b/src/ap/wpa_auth_ie.c
@@ -0,0 +1,824 @@
+/*
+ * hostapd - WPA/RSN IE and KDE definitions
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "common/ieee802_11_defs.h"
+#include "eapol_auth/eapol_auth_sm.h"
+#include "ap_config.h"
+#include "ieee802_11.h"
+#include "wpa_auth.h"
+#include "pmksa_cache_auth.h"
+#include "wpa_auth_ie.h"
+#include "wpa_auth_i.h"
+
+
+#ifdef CONFIG_RSN_TESTING
+int rsn_testing = 0;
+#endif /* CONFIG_RSN_TESTING */
+
+
+static int wpa_write_wpa_ie(struct wpa_auth_config *conf, u8 *buf, size_t len)
+{
+	struct wpa_ie_hdr *hdr;
+	int num_suites;
+	u8 *pos, *count;
+
+	hdr = (struct wpa_ie_hdr *) buf;
+	hdr->elem_id = WLAN_EID_VENDOR_SPECIFIC;
+	RSN_SELECTOR_PUT(hdr->oui, WPA_OUI_TYPE);
+	WPA_PUT_LE16(hdr->version, WPA_VERSION);
+	pos = (u8 *) (hdr + 1);
+
+	if (conf->wpa_group == WPA_CIPHER_CCMP) {
+		RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_CCMP);
+	} else if (conf->wpa_group == WPA_CIPHER_TKIP) {
+		RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_TKIP);
+	} else if (conf->wpa_group == WPA_CIPHER_WEP104) {
+		RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_WEP104);
+	} else if (conf->wpa_group == WPA_CIPHER_WEP40) {
+		RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_WEP40);
+	} else {
+		wpa_printf(MSG_DEBUG, "Invalid group cipher (%d).",
+			   conf->wpa_group);
+		return -1;
+	}
+	pos += WPA_SELECTOR_LEN;
+
+	num_suites = 0;
+	count = pos;
+	pos += 2;
+
+	if (conf->wpa_pairwise & WPA_CIPHER_CCMP) {
+		RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_CCMP);
+		pos += WPA_SELECTOR_LEN;
+		num_suites++;
+	}
+	if (conf->wpa_pairwise & WPA_CIPHER_TKIP) {
+		RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_TKIP);
+		pos += WPA_SELECTOR_LEN;
+		num_suites++;
+	}
+	if (conf->wpa_pairwise & WPA_CIPHER_NONE) {
+		RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_NONE);
+		pos += WPA_SELECTOR_LEN;
+		num_suites++;
+	}
+
+	if (num_suites == 0) {
+		wpa_printf(MSG_DEBUG, "Invalid pairwise cipher (%d).",
+			   conf->wpa_pairwise);
+		return -1;
+	}
+	WPA_PUT_LE16(count, num_suites);
+
+	num_suites = 0;
+	count = pos;
+	pos += 2;
+
+	if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
+		RSN_SELECTOR_PUT(pos, WPA_AUTH_KEY_MGMT_UNSPEC_802_1X);
+		pos += WPA_SELECTOR_LEN;
+		num_suites++;
+	}
+	if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK) {
+		RSN_SELECTOR_PUT(pos, WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X);
+		pos += WPA_SELECTOR_LEN;
+		num_suites++;
+	}
+
+	if (num_suites == 0) {
+		wpa_printf(MSG_DEBUG, "Invalid key management type (%d).",
+			   conf->wpa_key_mgmt);
+		return -1;
+	}
+	WPA_PUT_LE16(count, num_suites);
+
+	/* WPA Capabilities; use defaults, so no need to include it */
+
+	hdr->len = (pos - buf) - 2;
+
+	return pos - buf;
+}
+
+
+int wpa_write_rsn_ie(struct wpa_auth_config *conf, u8 *buf, size_t len,
+		     const u8 *pmkid)
+{
+	struct rsn_ie_hdr *hdr;
+	int num_suites;
+	u8 *pos, *count;
+	u16 capab;
+
+	hdr = (struct rsn_ie_hdr *) buf;
+	hdr->elem_id = WLAN_EID_RSN;
+	WPA_PUT_LE16(hdr->version, RSN_VERSION);
+	pos = (u8 *) (hdr + 1);
+
+	if (conf->wpa_group == WPA_CIPHER_CCMP) {
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_CCMP);
+	} else if (conf->wpa_group == WPA_CIPHER_TKIP) {
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_TKIP);
+	} else if (conf->wpa_group == WPA_CIPHER_WEP104) {
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_WEP104);
+	} else if (conf->wpa_group == WPA_CIPHER_WEP40) {
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_WEP40);
+	} else {
+		wpa_printf(MSG_DEBUG, "Invalid group cipher (%d).",
+			   conf->wpa_group);
+		return -1;
+	}
+	pos += RSN_SELECTOR_LEN;
+
+	num_suites = 0;
+	count = pos;
+	pos += 2;
+
+#ifdef CONFIG_RSN_TESTING
+	if (rsn_testing) {
+		RSN_SELECTOR_PUT(pos, RSN_SELECTOR(0x12, 0x34, 0x56, 1));
+		pos += RSN_SELECTOR_LEN;
+		num_suites++;
+	}
+#endif /* CONFIG_RSN_TESTING */
+
+	if (conf->rsn_pairwise & WPA_CIPHER_CCMP) {
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_CCMP);
+		pos += RSN_SELECTOR_LEN;
+		num_suites++;
+	}
+	if (conf->rsn_pairwise & WPA_CIPHER_TKIP) {
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_TKIP);
+		pos += RSN_SELECTOR_LEN;
+		num_suites++;
+	}
+	if (conf->rsn_pairwise & WPA_CIPHER_NONE) {
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_NONE);
+		pos += RSN_SELECTOR_LEN;
+		num_suites++;
+	}
+
+#ifdef CONFIG_RSN_TESTING
+	if (rsn_testing) {
+		RSN_SELECTOR_PUT(pos, RSN_SELECTOR(0x12, 0x34, 0x56, 2));
+		pos += RSN_SELECTOR_LEN;
+		num_suites++;
+	}
+#endif /* CONFIG_RSN_TESTING */
+
+	if (num_suites == 0) {
+		wpa_printf(MSG_DEBUG, "Invalid pairwise cipher (%d).",
+			   conf->rsn_pairwise);
+		return -1;
+	}
+	WPA_PUT_LE16(count, num_suites);
+
+	num_suites = 0;
+	count = pos;
+	pos += 2;
+
+#ifdef CONFIG_RSN_TESTING
+	if (rsn_testing) {
+		RSN_SELECTOR_PUT(pos, RSN_SELECTOR(0x12, 0x34, 0x56, 1));
+		pos += RSN_SELECTOR_LEN;
+		num_suites++;
+	}
+#endif /* CONFIG_RSN_TESTING */
+
+	if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
+		RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_UNSPEC_802_1X);
+		pos += RSN_SELECTOR_LEN;
+		num_suites++;
+	}
+	if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK) {
+		RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X);
+		pos += RSN_SELECTOR_LEN;
+		num_suites++;
+	}
+#ifdef CONFIG_IEEE80211R
+	if (conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
+		RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_802_1X);
+		pos += RSN_SELECTOR_LEN;
+		num_suites++;
+	}
+	if (conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_PSK) {
+		RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_PSK);
+		pos += RSN_SELECTOR_LEN;
+		num_suites++;
+	}
+#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_IEEE80211W
+	if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
+		RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_802_1X_SHA256);
+		pos += RSN_SELECTOR_LEN;
+		num_suites++;
+	}
+	if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
+		RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_PSK_SHA256);
+		pos += RSN_SELECTOR_LEN;
+		num_suites++;
+	}
+#endif /* CONFIG_IEEE80211W */
+
+#ifdef CONFIG_RSN_TESTING
+	if (rsn_testing) {
+		RSN_SELECTOR_PUT(pos, RSN_SELECTOR(0x12, 0x34, 0x56, 2));
+		pos += RSN_SELECTOR_LEN;
+		num_suites++;
+	}
+#endif /* CONFIG_RSN_TESTING */
+
+	if (num_suites == 0) {
+		wpa_printf(MSG_DEBUG, "Invalid key management type (%d).",
+			   conf->wpa_key_mgmt);
+		return -1;
+	}
+	WPA_PUT_LE16(count, num_suites);
+
+	/* RSN Capabilities */
+	capab = 0;
+	if (conf->rsn_preauth)
+		capab |= WPA_CAPABILITY_PREAUTH;
+	if (conf->peerkey)
+		capab |= WPA_CAPABILITY_PEERKEY_ENABLED;
+	if (conf->wmm_enabled) {
+		/* 4 PTKSA replay counters when using WMM */
+		capab |= (RSN_NUM_REPLAY_COUNTERS_16 << 2);
+	}
+#ifdef CONFIG_IEEE80211W
+	if (conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
+		capab |= WPA_CAPABILITY_MFPC;
+		if (conf->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED)
+			capab |= WPA_CAPABILITY_MFPR;
+	}
+#endif /* CONFIG_IEEE80211W */
+#ifdef CONFIG_RSN_TESTING
+	if (rsn_testing)
+		capab |= BIT(8) | BIT(14) | BIT(15);
+#endif /* CONFIG_RSN_TESTING */
+	WPA_PUT_LE16(pos, capab);
+	pos += 2;
+
+	if (pmkid) {
+		if (pos + 2 + PMKID_LEN > buf + len)
+			return -1;
+		/* PMKID Count */
+		WPA_PUT_LE16(pos, 1);
+		pos += 2;
+		os_memcpy(pos, pmkid, PMKID_LEN);
+		pos += PMKID_LEN;
+	}
+
+#ifdef CONFIG_IEEE80211W
+	if (conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
+		if (pos + 2 + 4 > buf + len)
+			return -1;
+		if (pmkid == NULL) {
+			/* PMKID Count */
+			WPA_PUT_LE16(pos, 0);
+			pos += 2;
+		}
+
+		/* Management Group Cipher Suite */
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_AES_128_CMAC);
+		pos += RSN_SELECTOR_LEN;
+	}
+#endif /* CONFIG_IEEE80211W */
+
+#ifdef CONFIG_RSN_TESTING
+	if (rsn_testing) {
+		/*
+		 * Fill in any defined fields and add extra data to the end of
+		 * the element.
+		 */
+		int pmkid_count_set = pmkid != NULL;
+		if (conf->ieee80211w != NO_MGMT_FRAME_PROTECTION)
+			pmkid_count_set = 1;
+		/* PMKID Count */
+		WPA_PUT_LE16(pos, 0);
+		pos += 2;
+		if (conf->ieee80211w == NO_MGMT_FRAME_PROTECTION) {
+			/* Management Group Cipher Suite */
+			RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_AES_128_CMAC);
+			pos += RSN_SELECTOR_LEN;
+		}
+
+		os_memset(pos, 0x12, 17);
+		pos += 17;
+	}
+#endif /* CONFIG_RSN_TESTING */
+
+	hdr->len = (pos - buf) - 2;
+
+	return pos - buf;
+}
+
+
+int wpa_auth_gen_wpa_ie(struct wpa_authenticator *wpa_auth)
+{
+	u8 *pos, buf[128];
+	int res;
+
+	pos = buf;
+
+	if (wpa_auth->conf.wpa & WPA_PROTO_RSN) {
+		res = wpa_write_rsn_ie(&wpa_auth->conf,
+				       pos, buf + sizeof(buf) - pos, NULL);
+		if (res < 0)
+			return res;
+		pos += res;
+	}
+#ifdef CONFIG_IEEE80211R
+	if (wpa_auth->conf.wpa_key_mgmt &
+	    (WPA_KEY_MGMT_FT_IEEE8021X | WPA_KEY_MGMT_FT_PSK)) {
+		res = wpa_write_mdie(&wpa_auth->conf, pos,
+				     buf + sizeof(buf) - pos);
+		if (res < 0)
+			return res;
+		pos += res;
+	}
+#endif /* CONFIG_IEEE80211R */
+	if (wpa_auth->conf.wpa & WPA_PROTO_WPA) {
+		res = wpa_write_wpa_ie(&wpa_auth->conf,
+				       pos, buf + sizeof(buf) - pos);
+		if (res < 0)
+			return res;
+		pos += res;
+	}
+
+	os_free(wpa_auth->wpa_ie);
+	wpa_auth->wpa_ie = os_malloc(pos - buf);
+	if (wpa_auth->wpa_ie == NULL)
+		return -1;
+	os_memcpy(wpa_auth->wpa_ie, buf, pos - buf);
+	wpa_auth->wpa_ie_len = pos - buf;
+
+	return 0;
+}
+
+
+u8 * wpa_add_kde(u8 *pos, u32 kde, const u8 *data, size_t data_len,
+		 const u8 *data2, size_t data2_len)
+{
+	*pos++ = WLAN_EID_VENDOR_SPECIFIC;
+	*pos++ = RSN_SELECTOR_LEN + data_len + data2_len;
+	RSN_SELECTOR_PUT(pos, kde);
+	pos += RSN_SELECTOR_LEN;
+	os_memcpy(pos, data, data_len);
+	pos += data_len;
+	if (data2) {
+		os_memcpy(pos, data2, data2_len);
+		pos += data2_len;
+	}
+	return pos;
+}
+
+
+struct wpa_auth_okc_iter_data {
+	struct rsn_pmksa_cache_entry *pmksa;
+	const u8 *aa;
+	const u8 *spa;
+	const u8 *pmkid;
+};
+
+
+static int wpa_auth_okc_iter(struct wpa_authenticator *a, void *ctx)
+{
+	struct wpa_auth_okc_iter_data *data = ctx;
+	data->pmksa = pmksa_cache_get_okc(a->pmksa, data->aa, data->spa,
+					  data->pmkid);
+	if (data->pmksa)
+		return 1;
+	return 0;
+}
+
+
+int wpa_validate_wpa_ie(struct wpa_authenticator *wpa_auth,
+			struct wpa_state_machine *sm,
+			const u8 *wpa_ie, size_t wpa_ie_len,
+			const u8 *mdie, size_t mdie_len)
+{
+	struct wpa_ie_data data;
+	int ciphers, key_mgmt, res, version;
+	u32 selector;
+	size_t i;
+	const u8 *pmkid = NULL;
+
+	if (wpa_auth == NULL || sm == NULL)
+		return WPA_NOT_ENABLED;
+
+	if (wpa_ie == NULL || wpa_ie_len < 1)
+		return WPA_INVALID_IE;
+
+	if (wpa_ie[0] == WLAN_EID_RSN)
+		version = WPA_PROTO_RSN;
+	else
+		version = WPA_PROTO_WPA;
+
+	if (!(wpa_auth->conf.wpa & version)) {
+		wpa_printf(MSG_DEBUG, "Invalid WPA proto (%d) from " MACSTR,
+			   version, MAC2STR(sm->addr));
+		return WPA_INVALID_PROTO;
+	}
+
+	if (version == WPA_PROTO_RSN) {
+		res = wpa_parse_wpa_ie_rsn(wpa_ie, wpa_ie_len, &data);
+
+		selector = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
+		if (0) {
+		}
+#ifdef CONFIG_IEEE80211R
+		else if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X)
+			selector = RSN_AUTH_KEY_MGMT_FT_802_1X;
+		else if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK)
+			selector = RSN_AUTH_KEY_MGMT_FT_PSK;
+#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_IEEE80211W
+		else if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256)
+			selector = RSN_AUTH_KEY_MGMT_802_1X_SHA256;
+		else if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256)
+			selector = RSN_AUTH_KEY_MGMT_PSK_SHA256;
+#endif /* CONFIG_IEEE80211W */
+		else if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X)
+			selector = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
+		else if (data.key_mgmt & WPA_KEY_MGMT_PSK)
+			selector = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
+		wpa_auth->dot11RSNAAuthenticationSuiteSelected = selector;
+
+		selector = RSN_CIPHER_SUITE_CCMP;
+		if (data.pairwise_cipher & WPA_CIPHER_CCMP)
+			selector = RSN_CIPHER_SUITE_CCMP;
+		else if (data.pairwise_cipher & WPA_CIPHER_TKIP)
+			selector = RSN_CIPHER_SUITE_TKIP;
+		else if (data.pairwise_cipher & WPA_CIPHER_WEP104)
+			selector = RSN_CIPHER_SUITE_WEP104;
+		else if (data.pairwise_cipher & WPA_CIPHER_WEP40)
+			selector = RSN_CIPHER_SUITE_WEP40;
+		else if (data.pairwise_cipher & WPA_CIPHER_NONE)
+			selector = RSN_CIPHER_SUITE_NONE;
+		wpa_auth->dot11RSNAPairwiseCipherSelected = selector;
+
+		selector = RSN_CIPHER_SUITE_CCMP;
+		if (data.group_cipher & WPA_CIPHER_CCMP)
+			selector = RSN_CIPHER_SUITE_CCMP;
+		else if (data.group_cipher & WPA_CIPHER_TKIP)
+			selector = RSN_CIPHER_SUITE_TKIP;
+		else if (data.group_cipher & WPA_CIPHER_WEP104)
+			selector = RSN_CIPHER_SUITE_WEP104;
+		else if (data.group_cipher & WPA_CIPHER_WEP40)
+			selector = RSN_CIPHER_SUITE_WEP40;
+		else if (data.group_cipher & WPA_CIPHER_NONE)
+			selector = RSN_CIPHER_SUITE_NONE;
+		wpa_auth->dot11RSNAGroupCipherSelected = selector;
+	} else {
+		res = wpa_parse_wpa_ie_wpa(wpa_ie, wpa_ie_len, &data);
+
+		selector = WPA_AUTH_KEY_MGMT_UNSPEC_802_1X;
+		if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X)
+			selector = WPA_AUTH_KEY_MGMT_UNSPEC_802_1X;
+		else if (data.key_mgmt & WPA_KEY_MGMT_PSK)
+			selector = WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X;
+		wpa_auth->dot11RSNAAuthenticationSuiteSelected = selector;
+
+		selector = WPA_CIPHER_SUITE_TKIP;
+		if (data.pairwise_cipher & WPA_CIPHER_CCMP)
+			selector = WPA_CIPHER_SUITE_CCMP;
+		else if (data.pairwise_cipher & WPA_CIPHER_TKIP)
+			selector = WPA_CIPHER_SUITE_TKIP;
+		else if (data.pairwise_cipher & WPA_CIPHER_WEP104)
+			selector = WPA_CIPHER_SUITE_WEP104;
+		else if (data.pairwise_cipher & WPA_CIPHER_WEP40)
+			selector = WPA_CIPHER_SUITE_WEP40;
+		else if (data.pairwise_cipher & WPA_CIPHER_NONE)
+			selector = WPA_CIPHER_SUITE_NONE;
+		wpa_auth->dot11RSNAPairwiseCipherSelected = selector;
+
+		selector = WPA_CIPHER_SUITE_TKIP;
+		if (data.group_cipher & WPA_CIPHER_CCMP)
+			selector = WPA_CIPHER_SUITE_CCMP;
+		else if (data.group_cipher & WPA_CIPHER_TKIP)
+			selector = WPA_CIPHER_SUITE_TKIP;
+		else if (data.group_cipher & WPA_CIPHER_WEP104)
+			selector = WPA_CIPHER_SUITE_WEP104;
+		else if (data.group_cipher & WPA_CIPHER_WEP40)
+			selector = WPA_CIPHER_SUITE_WEP40;
+		else if (data.group_cipher & WPA_CIPHER_NONE)
+			selector = WPA_CIPHER_SUITE_NONE;
+		wpa_auth->dot11RSNAGroupCipherSelected = selector;
+	}
+	if (res) {
+		wpa_printf(MSG_DEBUG, "Failed to parse WPA/RSN IE from "
+			   MACSTR " (res=%d)", MAC2STR(sm->addr), res);
+		wpa_hexdump(MSG_DEBUG, "WPA/RSN IE", wpa_ie, wpa_ie_len);
+		return WPA_INVALID_IE;
+	}
+
+	if (data.group_cipher != wpa_auth->conf.wpa_group) {
+		wpa_printf(MSG_DEBUG, "Invalid WPA group cipher (0x%x) from "
+			   MACSTR, data.group_cipher, MAC2STR(sm->addr));
+		return WPA_INVALID_GROUP;
+	}
+
+	key_mgmt = data.key_mgmt & wpa_auth->conf.wpa_key_mgmt;
+	if (!key_mgmt) {
+		wpa_printf(MSG_DEBUG, "Invalid WPA key mgmt (0x%x) from "
+			   MACSTR, data.key_mgmt, MAC2STR(sm->addr));
+		return WPA_INVALID_AKMP;
+	}
+	if (0) {
+	}
+#ifdef CONFIG_IEEE80211R
+	else if (key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X)
+		sm->wpa_key_mgmt = WPA_KEY_MGMT_FT_IEEE8021X;
+	else if (key_mgmt & WPA_KEY_MGMT_FT_PSK)
+		sm->wpa_key_mgmt = WPA_KEY_MGMT_FT_PSK;
+#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_IEEE80211W
+	else if (key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256)
+		sm->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X_SHA256;
+	else if (key_mgmt & WPA_KEY_MGMT_PSK_SHA256)
+		sm->wpa_key_mgmt = WPA_KEY_MGMT_PSK_SHA256;
+#endif /* CONFIG_IEEE80211W */
+	else if (key_mgmt & WPA_KEY_MGMT_IEEE8021X)
+		sm->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X;
+	else
+		sm->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
+
+	if (version == WPA_PROTO_RSN)
+		ciphers = data.pairwise_cipher & wpa_auth->conf.rsn_pairwise;
+	else
+		ciphers = data.pairwise_cipher & wpa_auth->conf.wpa_pairwise;
+	if (!ciphers) {
+		wpa_printf(MSG_DEBUG, "Invalid %s pairwise cipher (0x%x) "
+			   "from " MACSTR,
+			   version == WPA_PROTO_RSN ? "RSN" : "WPA",
+			   data.pairwise_cipher, MAC2STR(sm->addr));
+		return WPA_INVALID_PAIRWISE;
+	}
+
+#ifdef CONFIG_IEEE80211W
+	if (wpa_auth->conf.ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED) {
+		if (!(data.capabilities & WPA_CAPABILITY_MFPC)) {
+			wpa_printf(MSG_DEBUG, "Management frame protection "
+				   "required, but client did not enable it");
+			return WPA_MGMT_FRAME_PROTECTION_VIOLATION;
+		}
+
+		if (ciphers & WPA_CIPHER_TKIP) {
+			wpa_printf(MSG_DEBUG, "Management frame protection "
+				   "cannot use TKIP");
+			return WPA_MGMT_FRAME_PROTECTION_VIOLATION;
+		}
+
+		if (data.mgmt_group_cipher != WPA_CIPHER_AES_128_CMAC) {
+			wpa_printf(MSG_DEBUG, "Unsupported management group "
+				   "cipher %d", data.mgmt_group_cipher);
+			return WPA_INVALID_MGMT_GROUP_CIPHER;
+		}
+	}
+
+	if (wpa_auth->conf.ieee80211w == NO_MGMT_FRAME_PROTECTION ||
+	    !(data.capabilities & WPA_CAPABILITY_MFPC))
+		sm->mgmt_frame_prot = 0;
+	else
+		sm->mgmt_frame_prot = 1;
+#endif /* CONFIG_IEEE80211W */
+
+#ifdef CONFIG_IEEE80211R
+	if (wpa_key_mgmt_ft(sm->wpa_key_mgmt)) {
+		if (mdie == NULL || mdie_len < MOBILITY_DOMAIN_ID_LEN + 1) {
+			wpa_printf(MSG_DEBUG, "RSN: Trying to use FT, but "
+				   "MDIE not included");
+			return WPA_INVALID_MDIE;
+		}
+		if (os_memcmp(mdie, wpa_auth->conf.mobility_domain,
+			      MOBILITY_DOMAIN_ID_LEN) != 0) {
+			wpa_hexdump(MSG_DEBUG, "RSN: Attempted to use unknown "
+				    "MDIE", mdie, MOBILITY_DOMAIN_ID_LEN);
+			return WPA_INVALID_MDIE;
+		}
+	}
+#endif /* CONFIG_IEEE80211R */
+
+	if (ciphers & WPA_CIPHER_CCMP)
+		sm->pairwise = WPA_CIPHER_CCMP;
+	else
+		sm->pairwise = WPA_CIPHER_TKIP;
+
+	/* TODO: clear WPA/WPA2 state if STA changes from one to another */
+	if (wpa_ie[0] == WLAN_EID_RSN)
+		sm->wpa = WPA_VERSION_WPA2;
+	else
+		sm->wpa = WPA_VERSION_WPA;
+
+	sm->pmksa = NULL;
+	for (i = 0; i < data.num_pmkid; i++) {
+		wpa_hexdump(MSG_DEBUG, "RSN IE: STA PMKID",
+			    &data.pmkid[i * PMKID_LEN], PMKID_LEN);
+		sm->pmksa = pmksa_cache_auth_get(wpa_auth->pmksa, sm->addr,
+						 &data.pmkid[i * PMKID_LEN]);
+		if (sm->pmksa) {
+			pmkid = sm->pmksa->pmkid;
+			break;
+		}
+	}
+	for (i = 0; sm->pmksa == NULL && wpa_auth->conf.okc &&
+		     i < data.num_pmkid; i++) {
+		struct wpa_auth_okc_iter_data idata;
+		idata.pmksa = NULL;
+		idata.aa = wpa_auth->addr;
+		idata.spa = sm->addr;
+		idata.pmkid = &data.pmkid[i * PMKID_LEN];
+		wpa_auth_for_each_auth(wpa_auth, wpa_auth_okc_iter, &idata);
+		if (idata.pmksa) {
+			wpa_auth_vlogger(wpa_auth, sm->addr, LOGGER_DEBUG,
+					 "OKC match for PMKID");
+			sm->pmksa = pmksa_cache_add_okc(wpa_auth->pmksa,
+							idata.pmksa,
+							wpa_auth->addr,
+							idata.pmkid);
+			pmkid = idata.pmkid;
+			break;
+		}
+	}
+	if (sm->pmksa) {
+		wpa_auth_vlogger(wpa_auth, sm->addr, LOGGER_DEBUG,
+				 "PMKID found from PMKSA cache "
+				 "eap_type=%d vlan_id=%d",
+				 sm->pmksa->eap_type_authsrv,
+				 sm->pmksa->vlan_id);
+		os_memcpy(wpa_auth->dot11RSNAPMKIDUsed, pmkid, PMKID_LEN);
+	}
+
+	if (sm->wpa_ie == NULL || sm->wpa_ie_len < wpa_ie_len) {
+		os_free(sm->wpa_ie);
+		sm->wpa_ie = os_malloc(wpa_ie_len);
+		if (sm->wpa_ie == NULL)
+			return WPA_ALLOC_FAIL;
+	}
+	os_memcpy(sm->wpa_ie, wpa_ie, wpa_ie_len);
+	sm->wpa_ie_len = wpa_ie_len;
+
+	return WPA_IE_OK;
+}
+
+
+/**
+ * wpa_parse_generic - Parse EAPOL-Key Key Data Generic IEs
+ * @pos: Pointer to the IE header
+ * @end: Pointer to the end of the Key Data buffer
+ * @ie: Pointer to parsed IE data
+ * Returns: 0 on success, 1 if end mark is found, -1 on failure
+ */
+static int wpa_parse_generic(const u8 *pos, const u8 *end,
+			     struct wpa_eapol_ie_parse *ie)
+{
+	if (pos[1] == 0)
+		return 1;
+
+	if (pos[1] >= 6 &&
+	    RSN_SELECTOR_GET(pos + 2) == WPA_OUI_TYPE &&
+	    pos[2 + WPA_SELECTOR_LEN] == 1 &&
+	    pos[2 + WPA_SELECTOR_LEN + 1] == 0) {
+		ie->wpa_ie = pos;
+		ie->wpa_ie_len = pos[1] + 2;
+		return 0;
+	}
+
+	if (pos + 1 + RSN_SELECTOR_LEN < end &&
+	    pos[1] >= RSN_SELECTOR_LEN + PMKID_LEN &&
+	    RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_PMKID) {
+		ie->pmkid = pos + 2 + RSN_SELECTOR_LEN;
+		return 0;
+	}
+
+	if (pos[1] > RSN_SELECTOR_LEN + 2 &&
+	    RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_GROUPKEY) {
+		ie->gtk = pos + 2 + RSN_SELECTOR_LEN;
+		ie->gtk_len = pos[1] - RSN_SELECTOR_LEN;
+		return 0;
+	}
+
+	if (pos[1] > RSN_SELECTOR_LEN + 2 &&
+	    RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_MAC_ADDR) {
+		ie->mac_addr = pos + 2 + RSN_SELECTOR_LEN;
+		ie->mac_addr_len = pos[1] - RSN_SELECTOR_LEN;
+		return 0;
+	}
+
+#ifdef CONFIG_PEERKEY
+	if (pos[1] > RSN_SELECTOR_LEN + 2 &&
+	    RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_SMK) {
+		ie->smk = pos + 2 + RSN_SELECTOR_LEN;
+		ie->smk_len = pos[1] - RSN_SELECTOR_LEN;
+		return 0;
+	}
+
+	if (pos[1] > RSN_SELECTOR_LEN + 2 &&
+	    RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_NONCE) {
+		ie->nonce = pos + 2 + RSN_SELECTOR_LEN;
+		ie->nonce_len = pos[1] - RSN_SELECTOR_LEN;
+		return 0;
+	}
+
+	if (pos[1] > RSN_SELECTOR_LEN + 2 &&
+	    RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_LIFETIME) {
+		ie->lifetime = pos + 2 + RSN_SELECTOR_LEN;
+		ie->lifetime_len = pos[1] - RSN_SELECTOR_LEN;
+		return 0;
+	}
+
+	if (pos[1] > RSN_SELECTOR_LEN + 2 &&
+	    RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_ERROR) {
+		ie->error = pos + 2 + RSN_SELECTOR_LEN;
+		ie->error_len = pos[1] - RSN_SELECTOR_LEN;
+		return 0;
+	}
+#endif /* CONFIG_PEERKEY */
+
+#ifdef CONFIG_IEEE80211W
+	if (pos[1] > RSN_SELECTOR_LEN + 2 &&
+	    RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_IGTK) {
+		ie->igtk = pos + 2 + RSN_SELECTOR_LEN;
+		ie->igtk_len = pos[1] - RSN_SELECTOR_LEN;
+		return 0;
+	}
+#endif /* CONFIG_IEEE80211W */
+
+	return 0;
+}
+
+
+/**
+ * wpa_parse_kde_ies - Parse EAPOL-Key Key Data IEs
+ * @buf: Pointer to the Key Data buffer
+ * @len: Key Data Length
+ * @ie: Pointer to parsed IE data
+ * Returns: 0 on success, -1 on failure
+ */
+int wpa_parse_kde_ies(const u8 *buf, size_t len, struct wpa_eapol_ie_parse *ie)
+{
+	const u8 *pos, *end;
+	int ret = 0;
+
+	os_memset(ie, 0, sizeof(*ie));
+	for (pos = buf, end = pos + len; pos + 1 < end; pos += 2 + pos[1]) {
+		if (pos[0] == 0xdd &&
+		    ((pos == buf + len - 1) || pos[1] == 0)) {
+			/* Ignore padding */
+			break;
+		}
+		if (pos + 2 + pos[1] > end) {
+			wpa_printf(MSG_DEBUG, "WPA: EAPOL-Key Key Data "
+				   "underflow (ie=%d len=%d pos=%d)",
+				   pos[0], pos[1], (int) (pos - buf));
+			wpa_hexdump_key(MSG_DEBUG, "WPA: Key Data",
+					buf, len);
+			ret = -1;
+			break;
+		}
+		if (*pos == WLAN_EID_RSN) {
+			ie->rsn_ie = pos;
+			ie->rsn_ie_len = pos[1] + 2;
+#ifdef CONFIG_IEEE80211R
+		} else if (*pos == WLAN_EID_MOBILITY_DOMAIN) {
+			ie->mdie = pos;
+			ie->mdie_len = pos[1] + 2;
+		} else if (*pos == WLAN_EID_FAST_BSS_TRANSITION) {
+			ie->ftie = pos;
+			ie->ftie_len = pos[1] + 2;
+#endif /* CONFIG_IEEE80211R */
+		} else if (*pos == WLAN_EID_VENDOR_SPECIFIC) {
+			ret = wpa_parse_generic(pos, end, ie);
+			if (ret < 0)
+				break;
+			if (ret > 0) {
+				ret = 0;
+				break;
+			}
+		} else {
+			wpa_hexdump(MSG_DEBUG, "WPA: Unrecognized EAPOL-Key "
+				    "Key Data IE", pos, 2 + pos[1]);
+		}
+	}
+
+	return ret;
+}
+
+
+int wpa_auth_uses_mfp(struct wpa_state_machine *sm)
+{
+	return sm ? sm->mgmt_frame_prot : 0;
+}
diff --git a/src/ap/wpa_auth_ie.h b/src/ap/wpa_auth_ie.h
new file mode 100644
index 0000000..61d4cb4
--- /dev/null
+++ b/src/ap/wpa_auth_ie.h
@@ -0,0 +1,56 @@
+/*
+ * hostapd - WPA/RSN IE and KDE definitions
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef WPA_AUTH_IE_H
+#define WPA_AUTH_IE_H
+
+struct wpa_eapol_ie_parse {
+	const u8 *wpa_ie;
+	size_t wpa_ie_len;
+	const u8 *rsn_ie;
+	size_t rsn_ie_len;
+	const u8 *pmkid;
+	const u8 *gtk;
+	size_t gtk_len;
+	const u8 *mac_addr;
+	size_t mac_addr_len;
+#ifdef CONFIG_PEERKEY
+	const u8 *smk;
+	size_t smk_len;
+	const u8 *nonce;
+	size_t nonce_len;
+	const u8 *lifetime;
+	size_t lifetime_len;
+	const u8 *error;
+	size_t error_len;
+#endif /* CONFIG_PEERKEY */
+#ifdef CONFIG_IEEE80211W
+	const u8 *igtk;
+	size_t igtk_len;
+#endif /* CONFIG_IEEE80211W */
+#ifdef CONFIG_IEEE80211R
+	const u8 *mdie;
+	size_t mdie_len;
+	const u8 *ftie;
+	size_t ftie_len;
+#endif /* CONFIG_IEEE80211R */
+};
+
+int wpa_parse_kde_ies(const u8 *buf, size_t len,
+		      struct wpa_eapol_ie_parse *ie);
+u8 * wpa_add_kde(u8 *pos, u32 kde, const u8 *data, size_t data_len,
+		 const u8 *data2, size_t data2_len);
+int wpa_auth_gen_wpa_ie(struct wpa_authenticator *wpa_auth);
+
+#endif /* WPA_AUTH_IE_H */
diff --git a/src/ap/wps_hostapd.c b/src/ap/wps_hostapd.c
new file mode 100644
index 0000000..fcbd89b
--- /dev/null
+++ b/src/ap/wps_hostapd.c
@@ -0,0 +1,1380 @@
+/*
+ * hostapd / WPS integration
+ * Copyright (c) 2008-2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "utils/uuid.h"
+#include "crypto/dh_groups.h"
+#include "common/wpa_ctrl.h"
+#include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
+#include "eapol_auth/eapol_auth_sm.h"
+#include "eapol_auth/eapol_auth_sm_i.h"
+#include "wps/wps.h"
+#include "wps/wps_defs.h"
+#include "wps/wps_dev_attr.h"
+#include "hostapd.h"
+#include "ap_config.h"
+#include "ap_drv_ops.h"
+#include "beacon.h"
+#include "sta_info.h"
+#include "wps_hostapd.h"
+
+
+#ifdef CONFIG_WPS_UPNP
+#include "wps/wps_upnp.h"
+static int hostapd_wps_upnp_init(struct hostapd_data *hapd,
+				 struct wps_context *wps);
+static void hostapd_wps_upnp_deinit(struct hostapd_data *hapd);
+#endif /* CONFIG_WPS_UPNP */
+
+static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr,
+				    const u8 *ie, size_t ie_len);
+static void hostapd_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
+
+
+struct wps_for_each_data {
+	int (*func)(struct hostapd_data *h, void *ctx);
+	void *ctx;
+};
+
+
+static int wps_for_each(struct hostapd_iface *iface, void *ctx)
+{
+	struct wps_for_each_data *data = ctx;
+	size_t j;
+
+	if (iface == NULL)
+		return 0;
+	for (j = 0; j < iface->num_bss; j++) {
+		struct hostapd_data *hapd = iface->bss[j];
+		int ret = data->func(hapd, data->ctx);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+
+static int hostapd_wps_for_each(struct hostapd_data *hapd,
+				int (*func)(struct hostapd_data *h, void *ctx),
+				void *ctx)
+{
+	struct hostapd_iface *iface = hapd->iface;
+	struct wps_for_each_data data;
+	data.func = func;
+	data.ctx = ctx;
+	if (iface->for_each_interface == NULL)
+		return wps_for_each(iface, &data);
+	return iface->for_each_interface(iface->interfaces, wps_for_each,
+					 &data);
+}
+
+
+static int hostapd_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk,
+				  size_t psk_len)
+{
+	struct hostapd_data *hapd = ctx;
+	struct hostapd_wpa_psk *p;
+	struct hostapd_ssid *ssid = &hapd->conf->ssid;
+
+	wpa_printf(MSG_DEBUG, "Received new WPA/WPA2-PSK from WPS for STA "
+		   MACSTR, MAC2STR(mac_addr));
+	wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
+
+	if (psk_len != PMK_LEN) {
+		wpa_printf(MSG_DEBUG, "Unexpected PSK length %lu",
+			   (unsigned long) psk_len);
+		return -1;
+	}
+
+	/* Add the new PSK to runtime PSK list */
+	p = os_zalloc(sizeof(*p));
+	if (p == NULL)
+		return -1;
+	os_memcpy(p->addr, mac_addr, ETH_ALEN);
+	os_memcpy(p->psk, psk, PMK_LEN);
+
+	p->next = ssid->wpa_psk;
+	ssid->wpa_psk = p;
+
+	if (ssid->wpa_psk_file) {
+		FILE *f;
+		char hex[PMK_LEN * 2 + 1];
+		/* Add the new PSK to PSK list file */
+		f = fopen(ssid->wpa_psk_file, "a");
+		if (f == NULL) {
+			wpa_printf(MSG_DEBUG, "Failed to add the PSK to "
+				   "'%s'", ssid->wpa_psk_file);
+			return -1;
+		}
+
+		wpa_snprintf_hex(hex, sizeof(hex), psk, psk_len);
+		fprintf(f, MACSTR " %s\n", MAC2STR(mac_addr), hex);
+		fclose(f);
+	}
+
+	return 0;
+}
+
+
+static int hostapd_wps_set_ie_cb(void *ctx, struct wpabuf *beacon_ie,
+				 struct wpabuf *probe_resp_ie)
+{
+	struct hostapd_data *hapd = ctx;
+	wpabuf_free(hapd->wps_beacon_ie);
+	hapd->wps_beacon_ie = beacon_ie;
+	wpabuf_free(hapd->wps_probe_resp_ie);
+	hapd->wps_probe_resp_ie = probe_resp_ie;
+	ieee802_11_set_beacon(hapd);
+	return hostapd_set_ap_wps_ie(hapd);
+}
+
+
+static void hostapd_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
+				      const struct wps_device_data *dev)
+{
+	struct hostapd_data *hapd = ctx;
+	char uuid[40], txt[400];
+	int len;
+	char devtype[WPS_DEV_TYPE_BUFSIZE];
+	if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
+		return;
+	wpa_printf(MSG_DEBUG, "WPS: PIN needed for E-UUID %s", uuid);
+	len = os_snprintf(txt, sizeof(txt), WPS_EVENT_PIN_NEEDED
+			  "%s " MACSTR " [%s|%s|%s|%s|%s|%s]",
+			  uuid, MAC2STR(dev->mac_addr), dev->device_name,
+			  dev->manufacturer, dev->model_name,
+			  dev->model_number, dev->serial_number,
+			  wps_dev_type_bin2str(dev->pri_dev_type, devtype,
+					       sizeof(devtype)));
+	if (len > 0 && len < (int) sizeof(txt))
+		wpa_msg(hapd->msg_ctx, MSG_INFO, "%s", txt);
+
+	if (hapd->conf->wps_pin_requests) {
+		FILE *f;
+		struct os_time t;
+		f = fopen(hapd->conf->wps_pin_requests, "a");
+		if (f == NULL)
+			return;
+		os_get_time(&t);
+		fprintf(f, "%ld\t%s\t" MACSTR "\t%s\t%s\t%s\t%s\t%s"
+			"\t%s\n",
+			t.sec, uuid, MAC2STR(dev->mac_addr), dev->device_name,
+			dev->manufacturer, dev->model_name, dev->model_number,
+			dev->serial_number,
+			wps_dev_type_bin2str(dev->pri_dev_type, devtype,
+					     sizeof(devtype)));
+		fclose(f);
+	}
+}
+
+
+static void hostapd_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
+				       const u8 *uuid_e)
+{
+	struct hostapd_data *hapd = ctx;
+	char uuid[40];
+	if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
+		return;
+	wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_REG_SUCCESS MACSTR " %s",
+		MAC2STR(mac_addr), uuid);
+	if (hapd->wps_reg_success_cb)
+		hapd->wps_reg_success_cb(hapd->wps_reg_success_cb_ctx,
+					 mac_addr, uuid_e);
+}
+
+
+static void hostapd_wps_enrollee_seen_cb(void *ctx, const u8 *addr,
+					 const u8 *uuid_e,
+					 const u8 *pri_dev_type,
+					 u16 config_methods,
+					 u16 dev_password_id, u8 request_type,
+					 const char *dev_name)
+{
+	struct hostapd_data *hapd = ctx;
+	char uuid[40];
+	char devtype[WPS_DEV_TYPE_BUFSIZE];
+	if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
+		return;
+	if (dev_name == NULL)
+		dev_name = "";
+	wpa_msg_ctrl(hapd->msg_ctx, MSG_INFO, WPS_EVENT_ENROLLEE_SEEN MACSTR
+		     " %s %s 0x%x %u %u [%s]",
+		     MAC2STR(addr), uuid,
+		     wps_dev_type_bin2str(pri_dev_type, devtype,
+					  sizeof(devtype)),
+		     config_methods, dev_password_id, request_type, dev_name);
+}
+
+
+static int str_starts(const char *str, const char *start)
+{
+	return os_strncmp(str, start, os_strlen(start)) == 0;
+}
+
+
+static void wps_reload_config(void *eloop_data, void *user_ctx)
+{
+	struct hostapd_iface *iface = eloop_data;
+
+	wpa_printf(MSG_DEBUG, "WPS: Reload configuration data");
+	if (iface->reload_config(iface) < 0) {
+		wpa_printf(MSG_WARNING, "WPS: Failed to reload the updated "
+			   "configuration");
+	}
+}
+
+
+static int hapd_wps_cred_cb(struct hostapd_data *hapd, void *ctx)
+{
+	const struct wps_credential *cred = ctx;
+	FILE *oconf, *nconf;
+	size_t len, i;
+	char *tmp_fname;
+	char buf[1024];
+	int multi_bss;
+	int wpa;
+
+	if (hapd->wps == NULL)
+		return 0;
+
+	wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
+			cred->cred_attr, cred->cred_attr_len);
+
+	wpa_printf(MSG_DEBUG, "WPS: Received new AP Settings");
+	wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len);
+	wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x",
+		   cred->auth_type);
+	wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type);
+	wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx);
+	wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key",
+			cred->key, cred->key_len);
+	wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR,
+		   MAC2STR(cred->mac_addr));
+
+	if ((hapd->conf->wps_cred_processing == 1 ||
+	     hapd->conf->wps_cred_processing == 2) && cred->cred_attr) {
+		size_t blen = cred->cred_attr_len * 2 + 1;
+		char *_buf = os_malloc(blen);
+		if (_buf) {
+			wpa_snprintf_hex(_buf, blen,
+					 cred->cred_attr, cred->cred_attr_len);
+			wpa_msg(hapd->msg_ctx, MSG_INFO, "%s%s",
+				WPS_EVENT_NEW_AP_SETTINGS, _buf);
+			os_free(_buf);
+		}
+	} else
+		wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_NEW_AP_SETTINGS);
+
+	if (hapd->conf->wps_cred_processing == 1)
+		return 0;
+
+	os_memcpy(hapd->wps->ssid, cred->ssid, cred->ssid_len);
+	hapd->wps->ssid_len = cred->ssid_len;
+	hapd->wps->encr_types = cred->encr_type;
+	hapd->wps->auth_types = cred->auth_type;
+	if (cred->key_len == 0) {
+		os_free(hapd->wps->network_key);
+		hapd->wps->network_key = NULL;
+		hapd->wps->network_key_len = 0;
+	} else {
+		if (hapd->wps->network_key == NULL ||
+		    hapd->wps->network_key_len < cred->key_len) {
+			hapd->wps->network_key_len = 0;
+			os_free(hapd->wps->network_key);
+			hapd->wps->network_key = os_malloc(cred->key_len);
+			if (hapd->wps->network_key == NULL)
+				return -1;
+		}
+		hapd->wps->network_key_len = cred->key_len;
+		os_memcpy(hapd->wps->network_key, cred->key, cred->key_len);
+	}
+	hapd->wps->wps_state = WPS_STATE_CONFIGURED;
+
+	len = os_strlen(hapd->iface->config_fname) + 5;
+	tmp_fname = os_malloc(len);
+	if (tmp_fname == NULL)
+		return -1;
+	os_snprintf(tmp_fname, len, "%s-new", hapd->iface->config_fname);
+
+	oconf = fopen(hapd->iface->config_fname, "r");
+	if (oconf == NULL) {
+		wpa_printf(MSG_WARNING, "WPS: Could not open current "
+			   "configuration file");
+		os_free(tmp_fname);
+		return -1;
+	}
+
+	nconf = fopen(tmp_fname, "w");
+	if (nconf == NULL) {
+		wpa_printf(MSG_WARNING, "WPS: Could not write updated "
+			   "configuration file");
+		os_free(tmp_fname);
+		fclose(oconf);
+		return -1;
+	}
+
+	fprintf(nconf, "# WPS configuration - START\n");
+
+	fprintf(nconf, "wps_state=2\n");
+
+	fprintf(nconf, "ssid=");
+	for (i = 0; i < cred->ssid_len; i++)
+		fputc(cred->ssid[i], nconf);
+	fprintf(nconf, "\n");
+
+	if ((cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK)) &&
+	    (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK)))
+		wpa = 3;
+	else if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK))
+		wpa = 2;
+	else if (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK))
+		wpa = 1;
+	else
+		wpa = 0;
+
+	if (wpa) {
+		char *prefix;
+		fprintf(nconf, "wpa=%d\n", wpa);
+
+		fprintf(nconf, "wpa_key_mgmt=");
+		prefix = "";
+		if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA)) {
+			fprintf(nconf, "WPA-EAP");
+			prefix = " ";
+		}
+		if (cred->auth_type & (WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK))
+			fprintf(nconf, "%sWPA-PSK", prefix);
+		fprintf(nconf, "\n");
+
+		fprintf(nconf, "wpa_pairwise=");
+		prefix = "";
+		if (cred->encr_type & WPS_ENCR_AES) {
+			fprintf(nconf, "CCMP");
+			prefix = " ";
+		}
+		if (cred->encr_type & WPS_ENCR_TKIP) {
+			fprintf(nconf, "%sTKIP", prefix);
+		}
+		fprintf(nconf, "\n");
+
+		if (cred->key_len >= 8 && cred->key_len < 64) {
+			fprintf(nconf, "wpa_passphrase=");
+			for (i = 0; i < cred->key_len; i++)
+				fputc(cred->key[i], nconf);
+			fprintf(nconf, "\n");
+		} else if (cred->key_len == 64) {
+			fprintf(nconf, "wpa_psk=");
+			for (i = 0; i < cred->key_len; i++)
+				fputc(cred->key[i], nconf);
+			fprintf(nconf, "\n");
+		} else {
+			wpa_printf(MSG_WARNING, "WPS: Invalid key length %lu "
+				   "for WPA/WPA2",
+				   (unsigned long) cred->key_len);
+		}
+
+		fprintf(nconf, "auth_algs=1\n");
+	} else {
+		if ((cred->auth_type & WPS_AUTH_OPEN) &&
+		    (cred->auth_type & WPS_AUTH_SHARED))
+			fprintf(nconf, "auth_algs=3\n");
+		else if (cred->auth_type & WPS_AUTH_SHARED)
+			fprintf(nconf, "auth_algs=2\n");
+		else
+			fprintf(nconf, "auth_algs=1\n");
+
+		if (cred->encr_type & WPS_ENCR_WEP && cred->key_idx <= 4) {
+			int key_idx = cred->key_idx;
+			if (key_idx)
+				key_idx--;
+			fprintf(nconf, "wep_default_key=%d\n", key_idx);
+			fprintf(nconf, "wep_key%d=", key_idx);
+			if (cred->key_len == 10 || cred->key_len == 26) {
+				/* WEP key as a hex string */
+				for (i = 0; i < cred->key_len; i++)
+					fputc(cred->key[i], nconf);
+			} else {
+				/* Raw WEP key; convert to hex */
+				for (i = 0; i < cred->key_len; i++)
+					fprintf(nconf, "%02x", cred->key[i]);
+			}
+			fprintf(nconf, "\n");
+		}
+	}
+
+	fprintf(nconf, "# WPS configuration - END\n");
+
+	multi_bss = 0;
+	while (fgets(buf, sizeof(buf), oconf)) {
+		if (os_strncmp(buf, "bss=", 4) == 0)
+			multi_bss = 1;
+		if (!multi_bss &&
+		    (str_starts(buf, "ssid=") ||
+		     str_starts(buf, "auth_algs=") ||
+		     str_starts(buf, "wep_default_key=") ||
+		     str_starts(buf, "wep_key") ||
+		     str_starts(buf, "wps_state=") ||
+		     str_starts(buf, "wpa=") ||
+		     str_starts(buf, "wpa_psk=") ||
+		     str_starts(buf, "wpa_pairwise=") ||
+		     str_starts(buf, "rsn_pairwise=") ||
+		     str_starts(buf, "wpa_key_mgmt=") ||
+		     str_starts(buf, "wpa_passphrase="))) {
+			fprintf(nconf, "#WPS# %s", buf);
+		} else
+			fprintf(nconf, "%s", buf);
+	}
+
+	fclose(nconf);
+	fclose(oconf);
+
+	if (rename(tmp_fname, hapd->iface->config_fname) < 0) {
+		wpa_printf(MSG_WARNING, "WPS: Failed to rename the updated "
+			   "configuration file: %s", strerror(errno));
+		os_free(tmp_fname);
+		return -1;
+	}
+
+	os_free(tmp_fname);
+
+	/* Schedule configuration reload after short period of time to allow
+	 * EAP-WSC to be finished.
+	 */
+	eloop_register_timeout(0, 100000, wps_reload_config, hapd->iface,
+			       NULL);
+
+	wpa_printf(MSG_DEBUG, "WPS: AP configuration updated");
+
+	return 0;
+}
+
+
+static int hostapd_wps_cred_cb(void *ctx, const struct wps_credential *cred)
+{
+	struct hostapd_data *hapd = ctx;
+	return hostapd_wps_for_each(hapd, hapd_wps_cred_cb, (void *) cred);
+}
+
+
+static void hostapd_wps_reenable_ap_pin(void *eloop_data, void *user_ctx)
+{
+	struct hostapd_data *hapd = eloop_data;
+
+	if (hapd->conf->ap_setup_locked)
+		return;
+
+	wpa_printf(MSG_DEBUG, "WPS: Re-enable AP PIN");
+	wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_UNLOCKED);
+	hapd->wps->ap_setup_locked = 0;
+	wps_registrar_update_ie(hapd->wps->registrar);
+}
+
+
+static int wps_pwd_auth_fail(struct hostapd_data *hapd, void *ctx)
+{
+	struct wps_event_pwd_auth_fail *data = ctx;
+
+	if (!data->enrollee || hapd->conf->ap_pin == NULL || hapd->wps == NULL)
+		return 0;
+
+	/*
+	 * Registrar failed to prove its knowledge of the AP PIN. Lock AP setup
+	 * for some time if this happens multiple times to slow down brute
+	 * force attacks.
+	 */
+	hapd->ap_pin_failures++;
+	wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
+		   hapd->ap_pin_failures);
+	if (hapd->ap_pin_failures < 3)
+		return 0;
+
+	wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_LOCKED);
+	hapd->wps->ap_setup_locked = 1;
+
+	wps_registrar_update_ie(hapd->wps->registrar);
+
+	if (!hapd->conf->ap_setup_locked) {
+		if (hapd->ap_pin_lockout_time == 0)
+			hapd->ap_pin_lockout_time = 60;
+		else if (hapd->ap_pin_lockout_time < 365 * 24 * 60 * 60 &&
+			 (hapd->ap_pin_failures % 3) == 0)
+			hapd->ap_pin_lockout_time *= 2;
+
+		wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN for %u seconds",
+			   hapd->ap_pin_lockout_time);
+		eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL);
+		eloop_register_timeout(hapd->ap_pin_lockout_time, 0,
+				       hostapd_wps_reenable_ap_pin, hapd,
+				       NULL);
+	}
+
+	return 0;
+}
+
+
+static void hostapd_pwd_auth_fail(struct hostapd_data *hapd,
+				  struct wps_event_pwd_auth_fail *data)
+{
+	hostapd_wps_for_each(hapd, wps_pwd_auth_fail, data);
+}
+
+
+static const char * wps_event_fail_reason[NUM_WPS_EI_VALUES] = {
+	"No Error", /* WPS_EI_NO_ERROR */
+	"TKIP Only Prohibited", /* WPS_EI_SECURITY_TKIP_ONLY_PROHIBITED */
+	"WEP Prohibited" /* WPS_EI_SECURITY_WEP_PROHIBITED */
+};
+
+static void hostapd_wps_event_fail(struct hostapd_data *hapd,
+				   struct wps_event_fail *fail)
+{
+	if (fail->error_indication > 0 &&
+	    fail->error_indication < NUM_WPS_EI_VALUES) {
+		wpa_msg(hapd->msg_ctx, MSG_INFO,
+			WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)",
+			fail->msg, fail->config_error, fail->error_indication,
+			wps_event_fail_reason[fail->error_indication]);
+	} else {
+		wpa_msg(hapd->msg_ctx, MSG_INFO,
+			WPS_EVENT_FAIL "msg=%d config_error=%d",
+			fail->msg, fail->config_error);
+	}
+}
+
+
+static void hostapd_wps_event_cb(void *ctx, enum wps_event event,
+				 union wps_event_data *data)
+{
+	struct hostapd_data *hapd = ctx;
+
+	switch (event) {
+	case WPS_EV_M2D:
+		break;
+	case WPS_EV_FAIL:
+		hostapd_wps_event_fail(hapd, &data->fail);
+		break;
+	case WPS_EV_SUCCESS:
+		break;
+	case WPS_EV_PWD_AUTH_FAIL:
+		hostapd_pwd_auth_fail(hapd, &data->pwd_auth_fail);
+		break;
+	case WPS_EV_PBC_OVERLAP:
+		break;
+	case WPS_EV_PBC_TIMEOUT:
+		break;
+	case WPS_EV_ER_AP_ADD:
+		break;
+	case WPS_EV_ER_AP_REMOVE:
+		break;
+	case WPS_EV_ER_ENROLLEE_ADD:
+		break;
+	case WPS_EV_ER_ENROLLEE_REMOVE:
+		break;
+	case WPS_EV_ER_AP_SETTINGS:
+		break;
+	case WPS_EV_ER_SET_SELECTED_REGISTRAR:
+		break;
+	}
+	if (hapd->wps_event_cb)
+		hapd->wps_event_cb(hapd->wps_event_cb_ctx, event, data);
+}
+
+
+static void hostapd_wps_clear_ies(struct hostapd_data *hapd)
+{
+	wpabuf_free(hapd->wps_beacon_ie);
+	hapd->wps_beacon_ie = NULL;
+
+	wpabuf_free(hapd->wps_probe_resp_ie);
+	hapd->wps_probe_resp_ie = NULL;
+
+	hostapd_set_ap_wps_ie(hapd);
+}
+
+
+static int get_uuid_cb(struct hostapd_iface *iface, void *ctx)
+{
+	const u8 **uuid = ctx;
+	size_t j;
+
+	if (iface == NULL)
+		return 0;
+	for (j = 0; j < iface->num_bss; j++) {
+		struct hostapd_data *hapd = iface->bss[j];
+		if (hapd->wps && !is_nil_uuid(hapd->wps->uuid)) {
+			*uuid = hapd->wps->uuid;
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+
+static const u8 * get_own_uuid(struct hostapd_iface *iface)
+{
+	const u8 *uuid;
+	if (iface->for_each_interface == NULL)
+		return NULL;
+	uuid = NULL;
+	iface->for_each_interface(iface->interfaces, get_uuid_cb, &uuid);
+	return uuid;
+}
+
+
+static int count_interface_cb(struct hostapd_iface *iface, void *ctx)
+{
+	int *count= ctx;
+	(*count)++;
+	return 0;
+}
+
+
+static int interface_count(struct hostapd_iface *iface)
+{
+	int count = 0;
+	if (iface->for_each_interface == NULL)
+		return 0;
+	iface->for_each_interface(iface->interfaces, count_interface_cb,
+				  &count);
+	return count;
+}
+
+
+static int hostapd_wps_set_vendor_ext(struct hostapd_data *hapd,
+				      struct wps_context *wps)
+{
+	int i;
+
+	for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) {
+		wpabuf_free(wps->dev.vendor_ext[i]);
+		wps->dev.vendor_ext[i] = NULL;
+
+		if (hapd->conf->wps_vendor_ext[i] == NULL)
+			continue;
+
+		wps->dev.vendor_ext[i] =
+			wpabuf_dup(hapd->conf->wps_vendor_ext[i]);
+		if (wps->dev.vendor_ext[i] == NULL) {
+			while (--i >= 0)
+				wpabuf_free(wps->dev.vendor_ext[i]);
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+
+int hostapd_init_wps(struct hostapd_data *hapd,
+		     struct hostapd_bss_config *conf)
+{
+	struct wps_context *wps;
+	struct wps_registrar_config cfg;
+
+	if (conf->wps_state == 0) {
+		hostapd_wps_clear_ies(hapd);
+		return 0;
+	}
+
+	wps = os_zalloc(sizeof(*wps));
+	if (wps == NULL)
+		return -1;
+
+	wps->cred_cb = hostapd_wps_cred_cb;
+	wps->event_cb = hostapd_wps_event_cb;
+	wps->cb_ctx = hapd;
+
+	os_memset(&cfg, 0, sizeof(cfg));
+	wps->wps_state = hapd->conf->wps_state;
+	wps->ap_setup_locked = hapd->conf->ap_setup_locked;
+	if (is_nil_uuid(hapd->conf->uuid)) {
+		const u8 *uuid;
+		uuid = get_own_uuid(hapd->iface);
+		if (uuid) {
+			os_memcpy(wps->uuid, uuid, UUID_LEN);
+			wpa_hexdump(MSG_DEBUG, "WPS: Clone UUID from another "
+				    "interface", wps->uuid, UUID_LEN);
+		} else {
+			uuid_gen_mac_addr(hapd->own_addr, wps->uuid);
+			wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC "
+				    "address", wps->uuid, UUID_LEN);
+		}
+	} else {
+		os_memcpy(wps->uuid, hapd->conf->uuid, UUID_LEN);
+		wpa_hexdump(MSG_DEBUG, "WPS: Use configured UUID",
+			    wps->uuid, UUID_LEN);
+	}
+	wps->ssid_len = hapd->conf->ssid.ssid_len;
+	os_memcpy(wps->ssid, hapd->conf->ssid.ssid, wps->ssid_len);
+	wps->ap = 1;
+	os_memcpy(wps->dev.mac_addr, hapd->own_addr, ETH_ALEN);
+	wps->dev.device_name = hapd->conf->device_name ?
+		os_strdup(hapd->conf->device_name) : NULL;
+	wps->dev.manufacturer = hapd->conf->manufacturer ?
+		os_strdup(hapd->conf->manufacturer) : NULL;
+	wps->dev.model_name = hapd->conf->model_name ?
+		os_strdup(hapd->conf->model_name) : NULL;
+	wps->dev.model_number = hapd->conf->model_number ?
+		os_strdup(hapd->conf->model_number) : NULL;
+	wps->dev.serial_number = hapd->conf->serial_number ?
+		os_strdup(hapd->conf->serial_number) : NULL;
+	wps->config_methods =
+		wps_config_methods_str2bin(hapd->conf->config_methods);
+#ifdef CONFIG_WPS2
+	if ((wps->config_methods &
+	     (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY |
+	      WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) {
+		wpa_printf(MSG_INFO, "WPS: Converting display to "
+			   "virtual_display for WPS 2.0 compliance");
+		wps->config_methods |= WPS_CONFIG_VIRT_DISPLAY;
+	}
+	if ((wps->config_methods &
+	     (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON |
+	      WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) {
+		wpa_printf(MSG_INFO, "WPS: Converting push_button to "
+			   "virtual_push_button for WPS 2.0 compliance");
+		wps->config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
+	}
+#endif /* CONFIG_WPS2 */
+	os_memcpy(wps->dev.pri_dev_type, hapd->conf->device_type,
+		  WPS_DEV_TYPE_LEN);
+
+	if (hostapd_wps_set_vendor_ext(hapd, wps) < 0) {
+		os_free(wps);
+		return -1;
+	}
+
+	wps->dev.os_version = WPA_GET_BE32(hapd->conf->os_version);
+	wps->dev.rf_bands = hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211A ?
+		WPS_RF_50GHZ : WPS_RF_24GHZ; /* FIX: dualband AP */
+
+	if (conf->wpa & WPA_PROTO_RSN) {
+		if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK)
+			wps->auth_types |= WPS_AUTH_WPA2PSK;
+		if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X)
+			wps->auth_types |= WPS_AUTH_WPA2;
+
+		if (conf->rsn_pairwise & WPA_CIPHER_CCMP)
+			wps->encr_types |= WPS_ENCR_AES;
+		if (conf->rsn_pairwise & WPA_CIPHER_TKIP)
+			wps->encr_types |= WPS_ENCR_TKIP;
+	}
+
+	if (conf->wpa & WPA_PROTO_WPA) {
+		if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK)
+			wps->auth_types |= WPS_AUTH_WPAPSK;
+		if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X)
+			wps->auth_types |= WPS_AUTH_WPA;
+
+		if (conf->wpa_pairwise & WPA_CIPHER_CCMP)
+			wps->encr_types |= WPS_ENCR_AES;
+		if (conf->wpa_pairwise & WPA_CIPHER_TKIP)
+			wps->encr_types |= WPS_ENCR_TKIP;
+	}
+
+	if (conf->ssid.security_policy == SECURITY_PLAINTEXT) {
+		wps->encr_types |= WPS_ENCR_NONE;
+		wps->auth_types |= WPS_AUTH_OPEN;
+	} else if (conf->ssid.security_policy == SECURITY_STATIC_WEP) {
+		wps->encr_types |= WPS_ENCR_WEP;
+		if (conf->auth_algs & WPA_AUTH_ALG_OPEN)
+			wps->auth_types |= WPS_AUTH_OPEN;
+		if (conf->auth_algs & WPA_AUTH_ALG_SHARED)
+			wps->auth_types |= WPS_AUTH_SHARED;
+	} else if (conf->ssid.security_policy == SECURITY_IEEE_802_1X) {
+		wps->auth_types |= WPS_AUTH_OPEN;
+		if (conf->default_wep_key_len)
+			wps->encr_types |= WPS_ENCR_WEP;
+		else
+			wps->encr_types |= WPS_ENCR_NONE;
+	}
+
+	if (conf->ssid.wpa_psk_file) {
+		/* Use per-device PSKs */
+	} else if (conf->ssid.wpa_passphrase) {
+		wps->network_key = (u8 *) os_strdup(conf->ssid.wpa_passphrase);
+		wps->network_key_len = os_strlen(conf->ssid.wpa_passphrase);
+	} else if (conf->ssid.wpa_psk) {
+		wps->network_key = os_malloc(2 * PMK_LEN + 1);
+		if (wps->network_key == NULL) {
+			os_free(wps);
+			return -1;
+		}
+		wpa_snprintf_hex((char *) wps->network_key, 2 * PMK_LEN + 1,
+				 conf->ssid.wpa_psk->psk, PMK_LEN);
+		wps->network_key_len = 2 * PMK_LEN;
+	} else if (conf->ssid.wep.keys_set && conf->ssid.wep.key[0]) {
+		wps->network_key = os_malloc(conf->ssid.wep.len[0]);
+		if (wps->network_key == NULL) {
+			os_free(wps);
+			return -1;
+		}
+		os_memcpy(wps->network_key, conf->ssid.wep.key[0],
+			  conf->ssid.wep.len[0]);
+		wps->network_key_len = conf->ssid.wep.len[0];
+	}
+
+	if (conf->ssid.wpa_psk) {
+		os_memcpy(wps->psk, conf->ssid.wpa_psk->psk, PMK_LEN);
+		wps->psk_set = 1;
+	}
+
+	if (conf->wps_state == WPS_STATE_NOT_CONFIGURED) {
+		/* Override parameters to enable security by default */
+		wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
+		wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
+	}
+
+	wps->ap_settings = conf->ap_settings;
+	wps->ap_settings_len = conf->ap_settings_len;
+
+	cfg.new_psk_cb = hostapd_wps_new_psk_cb;
+	cfg.set_ie_cb = hostapd_wps_set_ie_cb;
+	cfg.pin_needed_cb = hostapd_wps_pin_needed_cb;
+	cfg.reg_success_cb = hostapd_wps_reg_success_cb;
+	cfg.enrollee_seen_cb = hostapd_wps_enrollee_seen_cb;
+	cfg.cb_ctx = hapd;
+	cfg.skip_cred_build = conf->skip_cred_build;
+	cfg.extra_cred = conf->extra_cred;
+	cfg.extra_cred_len = conf->extra_cred_len;
+	cfg.disable_auto_conf = (hapd->conf->wps_cred_processing == 1) &&
+		conf->skip_cred_build;
+	if (conf->ssid.security_policy == SECURITY_STATIC_WEP)
+		cfg.static_wep_only = 1;
+	cfg.dualband = interface_count(hapd->iface) > 1;
+	if (cfg.dualband)
+		wpa_printf(MSG_DEBUG, "WPS: Dualband AP");
+
+	wps->registrar = wps_registrar_init(wps, &cfg);
+	if (wps->registrar == NULL) {
+		wpa_printf(MSG_ERROR, "Failed to initialize WPS Registrar");
+		os_free(wps->network_key);
+		os_free(wps);
+		return -1;
+	}
+
+#ifdef CONFIG_WPS_UPNP
+	wps->friendly_name = hapd->conf->friendly_name;
+	wps->manufacturer_url = hapd->conf->manufacturer_url;
+	wps->model_description = hapd->conf->model_description;
+	wps->model_url = hapd->conf->model_url;
+	wps->upc = hapd->conf->upc;
+
+	if (hostapd_wps_upnp_init(hapd, wps) < 0) {
+		wpa_printf(MSG_ERROR, "Failed to initialize WPS UPnP");
+		wps_registrar_deinit(wps->registrar);
+		os_free(wps->network_key);
+		os_free(wps);
+		return -1;
+	}
+#endif /* CONFIG_WPS_UPNP */
+
+	hostapd_register_probereq_cb(hapd, hostapd_wps_probe_req_rx, hapd);
+
+	hapd->wps = wps;
+
+	return 0;
+}
+
+
+void hostapd_deinit_wps(struct hostapd_data *hapd)
+{
+	eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL);
+	eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL);
+	if (hapd->wps == NULL)
+		return;
+#ifdef CONFIG_WPS_UPNP
+	hostapd_wps_upnp_deinit(hapd);
+#endif /* CONFIG_WPS_UPNP */
+	wps_registrar_deinit(hapd->wps->registrar);
+	os_free(hapd->wps->network_key);
+	wps_device_data_free(&hapd->wps->dev);
+	wpabuf_free(hapd->wps->dh_pubkey);
+	wpabuf_free(hapd->wps->dh_privkey);
+	wpabuf_free(hapd->wps->oob_conf.pubkey_hash);
+	wpabuf_free(hapd->wps->oob_conf.dev_password);
+	wps_free_pending_msgs(hapd->wps->upnp_msgs);
+	os_free(hapd->wps);
+	hapd->wps = NULL;
+	hostapd_wps_clear_ies(hapd);
+}
+
+
+void hostapd_update_wps(struct hostapd_data *hapd)
+{
+	if (hapd->wps == NULL)
+		return;
+
+#ifdef CONFIG_WPS_UPNP
+	hapd->wps->friendly_name = hapd->conf->friendly_name;
+	hapd->wps->manufacturer_url = hapd->conf->manufacturer_url;
+	hapd->wps->model_description = hapd->conf->model_description;
+	hapd->wps->model_url = hapd->conf->model_url;
+	hapd->wps->upc = hapd->conf->upc;
+#endif /* CONFIG_WPS_UPNP */
+
+	hostapd_wps_set_vendor_ext(hapd, hapd->wps);
+
+	if (hapd->conf->wps_state)
+		wps_registrar_update_ie(hapd->wps->registrar);
+	else
+		hostapd_deinit_wps(hapd);
+}
+
+
+struct wps_add_pin_data {
+	const u8 *addr;
+	const u8 *uuid;
+	const u8 *pin;
+	size_t pin_len;
+	int timeout;
+	int added;
+};
+
+
+static int wps_add_pin(struct hostapd_data *hapd, void *ctx)
+{
+	struct wps_add_pin_data *data = ctx;
+	int ret;
+
+	if (hapd->wps == NULL)
+		return 0;
+	ret = wps_registrar_add_pin(hapd->wps->registrar, data->addr,
+				    data->uuid, data->pin, data->pin_len,
+				    data->timeout);
+	if (ret == 0)
+		data->added++;
+	return ret;
+}
+
+
+int hostapd_wps_add_pin(struct hostapd_data *hapd, const u8 *addr,
+			const char *uuid, const char *pin, int timeout)
+{
+	u8 u[UUID_LEN];
+	struct wps_add_pin_data data;
+
+	data.addr = addr;
+	data.uuid = u;
+	data.pin = (const u8 *) pin;
+	data.pin_len = os_strlen(pin);
+	data.timeout = timeout;
+	data.added = 0;
+
+	if (os_strcmp(uuid, "any") == 0)
+		data.uuid = NULL;
+	else {
+		if (uuid_str2bin(uuid, u))
+			return -1;
+		data.uuid = u;
+	}
+	if (hostapd_wps_for_each(hapd, wps_add_pin, &data) < 0)
+		return -1;
+	return data.added ? 0 : -1;
+}
+
+
+static int wps_button_pushed(struct hostapd_data *hapd, void *ctx)
+{
+	const u8 *p2p_dev_addr = ctx;
+	if (hapd->wps == NULL)
+		return 0;
+	return wps_registrar_button_pushed(hapd->wps->registrar, p2p_dev_addr);
+}
+
+
+int hostapd_wps_button_pushed(struct hostapd_data *hapd,
+			      const u8 *p2p_dev_addr)
+{
+	return hostapd_wps_for_each(hapd, wps_button_pushed,
+				    (void *) p2p_dev_addr);
+}
+
+
+#ifdef CONFIG_WPS_OOB
+int hostapd_wps_start_oob(struct hostapd_data *hapd, char *device_type,
+			  char *path, char *method, char *name)
+{
+	struct wps_context *wps = hapd->wps;
+	struct oob_device_data *oob_dev;
+
+	oob_dev = wps_get_oob_device(device_type);
+	if (oob_dev == NULL)
+		return -1;
+	oob_dev->device_path = path;
+	oob_dev->device_name = name;
+	wps->oob_conf.oob_method = wps_get_oob_method(method);
+
+	if (wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) {
+		/*
+		 * Use pre-configured DH keys in order to be able to write the
+		 * key hash into the OOB file.
+		 */
+		wpabuf_free(wps->dh_pubkey);
+		wpabuf_free(wps->dh_privkey);
+		wps->dh_privkey = NULL;
+		wps->dh_pubkey = dh_init(dh_groups_get(WPS_DH_GROUP),
+					 &wps->dh_privkey);
+		wps->dh_pubkey = wpabuf_zeropad(wps->dh_pubkey, 192);
+		if (wps->dh_pubkey == NULL) {
+			wpa_printf(MSG_ERROR, "WPS: Failed to initialize "
+				   "Diffie-Hellman handshake");
+			return -1;
+		}
+	}
+
+	if (wps_process_oob(wps, oob_dev, 1) < 0)
+		goto error;
+
+	if ((wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E ||
+	     wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) &&
+	    hostapd_wps_add_pin(hapd, NULL, "any",
+				wpabuf_head(wps->oob_conf.dev_password), 0) <
+	    0)
+		goto error;
+
+	return 0;
+
+error:
+	wpabuf_free(wps->dh_pubkey);
+	wps->dh_pubkey = NULL;
+	wpabuf_free(wps->dh_privkey);
+	wps->dh_privkey = NULL;
+	return -1;
+}
+#endif /* CONFIG_WPS_OOB */
+
+
+static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr,
+				    const u8 *ie, size_t ie_len)
+{
+	struct hostapd_data *hapd = ctx;
+	struct wpabuf *wps_ie;
+	struct ieee802_11_elems elems;
+
+	if (hapd->wps == NULL)
+		return 0;
+
+	if (ieee802_11_parse_elems(ie, ie_len, &elems, 0) == ParseFailed) {
+		wpa_printf(MSG_DEBUG, "WPS: Could not parse ProbeReq from "
+			   MACSTR, MAC2STR(addr));
+		return 0;
+	}
+
+	if (elems.ssid && elems.ssid_len > 0 &&
+	    (elems.ssid_len != hapd->conf->ssid.ssid_len ||
+	     os_memcmp(elems.ssid, hapd->conf->ssid.ssid, elems.ssid_len) !=
+	     0))
+		return 0; /* Not for us */
+
+	wps_ie = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA);
+	if (wps_ie == NULL)
+		return 0;
+	if (wps_validate_probe_req(wps_ie, addr) < 0) {
+		wpabuf_free(wps_ie);
+		return 0;
+	}
+
+	if (wpabuf_len(wps_ie) > 0) {
+		int p2p_wildcard = 0;
+#ifdef CONFIG_P2P
+		if (elems.ssid && elems.ssid_len == P2P_WILDCARD_SSID_LEN &&
+		    os_memcmp(elems.ssid, P2P_WILDCARD_SSID,
+			      P2P_WILDCARD_SSID_LEN) == 0)
+			p2p_wildcard = 1;
+#endif /* CONFIG_P2P */
+		wps_registrar_probe_req_rx(hapd->wps->registrar, addr, wps_ie,
+					   p2p_wildcard);
+#ifdef CONFIG_WPS_UPNP
+		/* FIX: what exactly should be included in the WLANEvent?
+		 * WPS attributes? Full ProbeReq frame? */
+		if (!p2p_wildcard)
+			upnp_wps_device_send_wlan_event(
+				hapd->wps_upnp, addr,
+				UPNP_WPS_WLANEVENT_TYPE_PROBE, wps_ie);
+#endif /* CONFIG_WPS_UPNP */
+	}
+
+	wpabuf_free(wps_ie);
+
+	return 0;
+}
+
+
+#ifdef CONFIG_WPS_UPNP
+
+static int hostapd_rx_req_put_wlan_response(
+	void *priv, enum upnp_wps_wlanevent_type ev_type,
+	const u8 *mac_addr, const struct wpabuf *msg,
+	enum wps_msg_type msg_type)
+{
+	struct hostapd_data *hapd = priv;
+	struct sta_info *sta;
+	struct upnp_pending_message *p;
+
+	wpa_printf(MSG_DEBUG, "WPS UPnP: PutWLANResponse ev_type=%d mac_addr="
+		   MACSTR, ev_type, MAC2STR(mac_addr));
+	wpa_hexdump(MSG_MSGDUMP, "WPS UPnP: PutWLANResponse NewMessage",
+		    wpabuf_head(msg), wpabuf_len(msg));
+	if (ev_type != UPNP_WPS_WLANEVENT_TYPE_EAP) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Ignored unexpected "
+			   "PutWLANResponse WLANEventType %d", ev_type);
+		return -1;
+	}
+
+	/*
+	 * EAP response to ongoing to WPS Registration. Send it to EAP-WSC
+	 * server implementation for delivery to the peer.
+	 */
+
+	sta = ap_get_sta(hapd, mac_addr);
+#ifndef CONFIG_WPS_STRICT
+	if (!sta) {
+		/*
+		 * Workaround - Intel wsccmd uses bogus NewWLANEventMAC:
+		 * Pick STA that is in an ongoing WPS registration without
+		 * checking the MAC address.
+		 */
+		wpa_printf(MSG_DEBUG, "WPS UPnP: No matching STA found based "
+			   "on NewWLANEventMAC; try wildcard match");
+		for (sta = hapd->sta_list; sta; sta = sta->next) {
+			if (sta->eapol_sm && (sta->flags & WLAN_STA_WPS))
+				break;
+		}
+	}
+#endif /* CONFIG_WPS_STRICT */
+
+	if (!sta) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: No matching STA found");
+		return 0;
+	}
+
+	p = os_zalloc(sizeof(*p));
+	if (p == NULL)
+		return -1;
+	os_memcpy(p->addr, sta->addr, ETH_ALEN);
+	p->msg = wpabuf_dup(msg);
+	p->type = msg_type;
+	p->next = hapd->wps->upnp_msgs;
+	hapd->wps->upnp_msgs = p;
+
+	return eapol_auth_eap_pending_cb(sta->eapol_sm, sta->eapol_sm->eap);
+}
+
+
+static int hostapd_wps_upnp_init(struct hostapd_data *hapd,
+				 struct wps_context *wps)
+{
+	struct upnp_wps_device_ctx *ctx;
+
+	if (!hapd->conf->upnp_iface)
+		return 0;
+	ctx = os_zalloc(sizeof(*ctx));
+	if (ctx == NULL)
+		return -1;
+
+	ctx->rx_req_put_wlan_response = hostapd_rx_req_put_wlan_response;
+	if (hapd->conf->ap_pin)
+		ctx->ap_pin = os_strdup(hapd->conf->ap_pin);
+
+	hapd->wps_upnp = upnp_wps_device_init(ctx, wps, hapd,
+					      hapd->conf->upnp_iface);
+	if (hapd->wps_upnp == NULL)
+		return -1;
+	wps->wps_upnp = hapd->wps_upnp;
+
+	return 0;
+}
+
+
+static void hostapd_wps_upnp_deinit(struct hostapd_data *hapd)
+{
+	upnp_wps_device_deinit(hapd->wps_upnp, hapd);
+}
+
+#endif /* CONFIG_WPS_UPNP */
+
+
+int hostapd_wps_get_mib_sta(struct hostapd_data *hapd, const u8 *addr,
+			    char *buf, size_t buflen)
+{
+	if (hapd->wps == NULL)
+		return 0;
+	return wps_registrar_get_info(hapd->wps->registrar, addr, buf, buflen);
+}
+
+
+static void hostapd_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
+{
+	struct hostapd_data *hapd = eloop_data;
+	wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
+	hostapd_wps_ap_pin_disable(hapd);
+}
+
+
+static void hostapd_wps_ap_pin_enable(struct hostapd_data *hapd, int timeout)
+{
+	wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
+	hapd->ap_pin_failures = 0;
+	hapd->conf->ap_setup_locked = 0;
+	if (hapd->wps->ap_setup_locked) {
+		wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_UNLOCKED);
+		hapd->wps->ap_setup_locked = 0;
+		wps_registrar_update_ie(hapd->wps->registrar);
+	}
+	eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL);
+	if (timeout > 0)
+		eloop_register_timeout(timeout, 0,
+				       hostapd_wps_ap_pin_timeout, hapd, NULL);
+}
+
+
+static int wps_ap_pin_disable(struct hostapd_data *hapd, void *ctx)
+{
+	os_free(hapd->conf->ap_pin);
+	hapd->conf->ap_pin = NULL;
+#ifdef CONFIG_WPS_UPNP
+	upnp_wps_set_ap_pin(hapd->wps_upnp, NULL);
+#endif /* CONFIG_WPS_UPNP */
+	eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL);
+	return 0;
+}
+
+
+void hostapd_wps_ap_pin_disable(struct hostapd_data *hapd)
+{
+	wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
+	hostapd_wps_for_each(hapd, wps_ap_pin_disable, NULL);
+}
+
+
+struct wps_ap_pin_data {
+	char pin_txt[9];
+	int timeout;
+};
+
+
+static int wps_ap_pin_set(struct hostapd_data *hapd, void *ctx)
+{
+	struct wps_ap_pin_data *data = ctx;
+	os_free(hapd->conf->ap_pin);
+	hapd->conf->ap_pin = os_strdup(data->pin_txt);
+#ifdef CONFIG_WPS_UPNP
+	upnp_wps_set_ap_pin(hapd->wps_upnp, data->pin_txt);
+#endif /* CONFIG_WPS_UPNP */
+	hostapd_wps_ap_pin_enable(hapd, data->timeout);
+	return 0;
+}
+
+
+const char * hostapd_wps_ap_pin_random(struct hostapd_data *hapd, int timeout)
+{
+	unsigned int pin;
+	struct wps_ap_pin_data data;
+
+	pin = wps_generate_pin();
+	os_snprintf(data.pin_txt, sizeof(data.pin_txt), "%u", pin);
+	data.timeout = timeout;
+	hostapd_wps_for_each(hapd, wps_ap_pin_set, &data);
+	return hapd->conf->ap_pin;
+}
+
+
+const char * hostapd_wps_ap_pin_get(struct hostapd_data *hapd)
+{
+	return hapd->conf->ap_pin;
+}
+
+
+int hostapd_wps_ap_pin_set(struct hostapd_data *hapd, const char *pin,
+			   int timeout)
+{
+	struct wps_ap_pin_data data;
+	int ret;
+
+	ret = os_snprintf(data.pin_txt, sizeof(data.pin_txt), "%s", pin);
+	if (ret < 0 || ret >= (int) sizeof(data.pin_txt))
+		return -1;
+	data.timeout = timeout;
+	return hostapd_wps_for_each(hapd, wps_ap_pin_set, &data);
+}
+
+
+static int wps_update_ie(struct hostapd_data *hapd, void *ctx)
+{
+	if (hapd->wps)
+		wps_registrar_update_ie(hapd->wps->registrar);
+	return 0;
+}
+
+
+void hostapd_wps_update_ie(struct hostapd_data *hapd)
+{
+	hostapd_wps_for_each(hapd, wps_update_ie, NULL);
+}
+
+
+int hostapd_wps_config_ap(struct hostapd_data *hapd, const char *ssid,
+			  const char *auth, const char *encr, const char *key)
+{
+	struct wps_credential cred;
+	size_t len;
+
+	os_memset(&cred, 0, sizeof(cred));
+
+	len = os_strlen(ssid);
+	if ((len & 1) || len > 2 * sizeof(cred.ssid) ||
+	    hexstr2bin(ssid, cred.ssid, len / 2))
+		return -1;
+	cred.ssid_len = len / 2;
+
+	if (os_strncmp(auth, "OPEN", 4) == 0)
+		cred.auth_type = WPS_AUTH_OPEN;
+	else if (os_strncmp(auth, "WPAPSK", 6) == 0)
+		cred.auth_type = WPS_AUTH_WPAPSK;
+	else if (os_strncmp(auth, "WPA2PSK", 7) == 0)
+		cred.auth_type = WPS_AUTH_WPA2PSK;
+	else
+		return -1;
+
+	if (encr) {
+		if (os_strncmp(encr, "NONE", 4) == 0)
+			cred.encr_type = WPS_ENCR_NONE;
+		else if (os_strncmp(encr, "WEP", 3) == 0)
+			cred.encr_type = WPS_ENCR_WEP;
+		else if (os_strncmp(encr, "TKIP", 4) == 0)
+			cred.encr_type = WPS_ENCR_TKIP;
+		else if (os_strncmp(encr, "CCMP", 4) == 0)
+			cred.encr_type = WPS_ENCR_AES;
+		else
+			return -1;
+	} else
+		cred.encr_type = WPS_ENCR_NONE;
+
+	if (key) {
+		len = os_strlen(key);
+		if ((len & 1) || len > 2 * sizeof(cred.key) ||
+		    hexstr2bin(key, cred.key, len / 2))
+			return -1;
+		cred.key_len = len / 2;
+	}
+
+	return wps_registrar_config_ap(hapd->wps->registrar, &cred);
+}
diff --git a/src/ap/wps_hostapd.h b/src/ap/wps_hostapd.h
new file mode 100644
index 0000000..338a220
--- /dev/null
+++ b/src/ap/wps_hostapd.h
@@ -0,0 +1,72 @@
+/*
+ * hostapd / WPS integration
+ * Copyright (c) 2008-2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef WPS_HOSTAPD_H
+#define WPS_HOSTAPD_H
+
+#ifdef CONFIG_WPS
+
+int hostapd_init_wps(struct hostapd_data *hapd,
+		     struct hostapd_bss_config *conf);
+void hostapd_deinit_wps(struct hostapd_data *hapd);
+void hostapd_update_wps(struct hostapd_data *hapd);
+int hostapd_wps_add_pin(struct hostapd_data *hapd, const u8 *addr,
+			const char *uuid, const char *pin, int timeout);
+int hostapd_wps_button_pushed(struct hostapd_data *hapd,
+			      const u8 *p2p_dev_addr);
+int hostapd_wps_start_oob(struct hostapd_data *hapd, char *device_type,
+			  char *path, char *method, char *name);
+int hostapd_wps_get_mib_sta(struct hostapd_data *hapd, const u8 *addr,
+			    char *buf, size_t buflen);
+void hostapd_wps_ap_pin_disable(struct hostapd_data *hapd);
+const char * hostapd_wps_ap_pin_random(struct hostapd_data *hapd, int timeout);
+const char * hostapd_wps_ap_pin_get(struct hostapd_data *hapd);
+int hostapd_wps_ap_pin_set(struct hostapd_data *hapd, const char *pin,
+			   int timeout);
+void hostapd_wps_update_ie(struct hostapd_data *hapd);
+int hostapd_wps_config_ap(struct hostapd_data *hapd, const char *ssid,
+			  const char *auth, const char *encr, const char *key);
+
+#else /* CONFIG_WPS */
+
+static inline int hostapd_init_wps(struct hostapd_data *hapd,
+				   struct hostapd_bss_config *conf)
+{
+	return 0;
+}
+
+static inline void hostapd_deinit_wps(struct hostapd_data *hapd)
+{
+}
+
+static inline void hostapd_update_wps(struct hostapd_data *hapd)
+{
+}
+
+static inline int hostapd_wps_get_mib_sta(struct hostapd_data *hapd,
+					  const u8 *addr,
+					  char *buf, size_t buflen)
+{
+	return 0;
+}
+
+static inline int hostapd_wps_button_pushed(struct hostapd_data *hapd,
+					    const u8 *p2p_dev_addr)
+{
+	return 0;
+}
+
+#endif /* CONFIG_WPS */
+
+#endif /* WPS_HOSTAPD_H */
diff --git a/src/common/Makefile b/src/common/Makefile
new file mode 100644
index 0000000..9c41962
--- /dev/null
+++ b/src/common/Makefile
@@ -0,0 +1,8 @@
+all:
+	@echo Nothing to be made.
+
+clean:
+	rm -f *~ *.o *.d
+
+install:
+	@echo Nothing to be made.
diff --git a/src/common/defs.h b/src/common/defs.h
new file mode 100644
index 0000000..8abec07
--- /dev/null
+++ b/src/common/defs.h
@@ -0,0 +1,270 @@
+/*
+ * WPA Supplicant - Common definitions
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef DEFS_H
+#define DEFS_H
+
+#ifdef FALSE
+#undef FALSE
+#endif
+#ifdef TRUE
+#undef TRUE
+#endif
+typedef enum { FALSE = 0, TRUE = 1 } Boolean;
+
+
+#define WPA_CIPHER_NONE BIT(0)
+#define WPA_CIPHER_WEP40 BIT(1)
+#define WPA_CIPHER_WEP104 BIT(2)
+#define WPA_CIPHER_TKIP BIT(3)
+#define WPA_CIPHER_CCMP BIT(4)
+#ifdef CONFIG_IEEE80211W
+#define WPA_CIPHER_AES_128_CMAC BIT(5)
+#endif /* CONFIG_IEEE80211W */
+
+#define WPA_KEY_MGMT_IEEE8021X BIT(0)
+#define WPA_KEY_MGMT_PSK BIT(1)
+#define WPA_KEY_MGMT_NONE BIT(2)
+#define WPA_KEY_MGMT_IEEE8021X_NO_WPA BIT(3)
+#define WPA_KEY_MGMT_WPA_NONE BIT(4)
+#define WPA_KEY_MGMT_FT_IEEE8021X BIT(5)
+#define WPA_KEY_MGMT_FT_PSK BIT(6)
+#define WPA_KEY_MGMT_IEEE8021X_SHA256 BIT(7)
+#define WPA_KEY_MGMT_PSK_SHA256 BIT(8)
+#define WPA_KEY_MGMT_WPS BIT(9)
+
+static inline int wpa_key_mgmt_wpa_ieee8021x(int akm)
+{
+	return !!(akm & (WPA_KEY_MGMT_IEEE8021X |
+			 WPA_KEY_MGMT_FT_IEEE8021X |
+			 WPA_KEY_MGMT_IEEE8021X_SHA256));
+}
+
+static inline int wpa_key_mgmt_wpa_psk(int akm)
+{
+	return !!(akm & (WPA_KEY_MGMT_PSK |
+			 WPA_KEY_MGMT_FT_PSK |
+			 WPA_KEY_MGMT_PSK_SHA256));
+}
+
+static inline int wpa_key_mgmt_ft(int akm)
+{
+	return !!(akm & (WPA_KEY_MGMT_FT_PSK |
+			 WPA_KEY_MGMT_FT_IEEE8021X));
+}
+
+static inline int wpa_key_mgmt_sha256(int akm)
+{
+	return !!(akm & (WPA_KEY_MGMT_PSK_SHA256 |
+			 WPA_KEY_MGMT_IEEE8021X_SHA256));
+}
+
+static inline int wpa_key_mgmt_wpa(int akm)
+{
+	return wpa_key_mgmt_wpa_ieee8021x(akm) ||
+		wpa_key_mgmt_wpa_psk(akm);
+}
+
+
+#define WPA_PROTO_WPA BIT(0)
+#define WPA_PROTO_RSN BIT(1)
+
+#define WPA_AUTH_ALG_OPEN BIT(0)
+#define WPA_AUTH_ALG_SHARED BIT(1)
+#define WPA_AUTH_ALG_LEAP BIT(2)
+#define WPA_AUTH_ALG_FT BIT(3)
+
+
+enum wpa_alg {
+	WPA_ALG_NONE,
+	WPA_ALG_WEP,
+	WPA_ALG_TKIP,
+	WPA_ALG_CCMP,
+	WPA_ALG_IGTK,
+	WPA_ALG_PMK
+};
+
+/**
+ * enum wpa_cipher - Cipher suites
+ */
+enum wpa_cipher {
+	CIPHER_NONE,
+	CIPHER_WEP40,
+	CIPHER_TKIP,
+	CIPHER_CCMP,
+	CIPHER_WEP104
+};
+
+/**
+ * enum wpa_key_mgmt - Key management suites
+ */
+enum wpa_key_mgmt {
+	KEY_MGMT_802_1X,
+	KEY_MGMT_PSK,
+	KEY_MGMT_NONE,
+	KEY_MGMT_802_1X_NO_WPA,
+	KEY_MGMT_WPA_NONE,
+	KEY_MGMT_FT_802_1X,
+	KEY_MGMT_FT_PSK,
+	KEY_MGMT_802_1X_SHA256,
+	KEY_MGMT_PSK_SHA256,
+	KEY_MGMT_WPS
+};
+
+/**
+ * enum wpa_states - wpa_supplicant state
+ *
+ * These enumeration values are used to indicate the current wpa_supplicant
+ * state (wpa_s->wpa_state). The current state can be retrieved with
+ * wpa_supplicant_get_state() function and the state can be changed by calling
+ * wpa_supplicant_set_state(). In WPA state machine (wpa.c and preauth.c), the
+ * wrapper functions wpa_sm_get_state() and wpa_sm_set_state() should be used
+ * to access the state variable.
+ */
+enum wpa_states {
+	/**
+	 * WPA_DISCONNECTED - Disconnected state
+	 *
+	 * This state indicates that client is not associated, but is likely to
+	 * start looking for an access point. This state is entered when a
+	 * connection is lost.
+	 */
+	WPA_DISCONNECTED,
+
+	/**
+	 * WPA_INTERFACE_DISABLED - Interface disabled
+	 *
+	 * This stat eis entered if the network interface is disabled, e.g.,
+	 * due to rfkill. wpa_supplicant refuses any new operations that would
+	 * use the radio until the interface has been enabled.
+	 */
+	WPA_INTERFACE_DISABLED,
+
+	/**
+	 * WPA_INACTIVE - Inactive state (wpa_supplicant disabled)
+	 *
+	 * This state is entered if there are no enabled networks in the
+	 * configuration. wpa_supplicant is not trying to associate with a new
+	 * network and external interaction (e.g., ctrl_iface call to add or
+	 * enable a network) is needed to start association.
+	 */
+	WPA_INACTIVE,
+
+	/**
+	 * WPA_SCANNING - Scanning for a network
+	 *
+	 * This state is entered when wpa_supplicant starts scanning for a
+	 * network.
+	 */
+	WPA_SCANNING,
+
+	/**
+	 * WPA_AUTHENTICATING - Trying to authenticate with a BSS/SSID
+	 *
+	 * This state is entered when wpa_supplicant has found a suitable BSS
+	 * to authenticate with and the driver is configured to try to
+	 * authenticate with this BSS. This state is used only with drivers
+	 * that use wpa_supplicant as the SME.
+	 */
+	WPA_AUTHENTICATING,
+
+	/**
+	 * WPA_ASSOCIATING - Trying to associate with a BSS/SSID
+	 *
+	 * This state is entered when wpa_supplicant has found a suitable BSS
+	 * to associate with and the driver is configured to try to associate
+	 * with this BSS in ap_scan=1 mode. When using ap_scan=2 mode, this
+	 * state is entered when the driver is configured to try to associate
+	 * with a network using the configured SSID and security policy.
+	 */
+	WPA_ASSOCIATING,
+
+	/**
+	 * WPA_ASSOCIATED - Association completed
+	 *
+	 * This state is entered when the driver reports that association has
+	 * been successfully completed with an AP. If IEEE 802.1X is used
+	 * (with or without WPA/WPA2), wpa_supplicant remains in this state
+	 * until the IEEE 802.1X/EAPOL authentication has been completed.
+	 */
+	WPA_ASSOCIATED,
+
+	/**
+	 * WPA_4WAY_HANDSHAKE - WPA 4-Way Key Handshake in progress
+	 *
+	 * This state is entered when WPA/WPA2 4-Way Handshake is started. In
+	 * case of WPA-PSK, this happens when receiving the first EAPOL-Key
+	 * frame after association. In case of WPA-EAP, this state is entered
+	 * when the IEEE 802.1X/EAPOL authentication has been completed.
+	 */
+	WPA_4WAY_HANDSHAKE,
+
+	/**
+	 * WPA_GROUP_HANDSHAKE - WPA Group Key Handshake in progress
+	 *
+	 * This state is entered when 4-Way Key Handshake has been completed
+	 * (i.e., when the supplicant sends out message 4/4) and when Group
+	 * Key rekeying is started by the AP (i.e., when supplicant receives
+	 * message 1/2).
+	 */
+	WPA_GROUP_HANDSHAKE,
+
+	/**
+	 * WPA_COMPLETED - All authentication completed
+	 *
+	 * This state is entered when the full authentication process is
+	 * completed. In case of WPA2, this happens when the 4-Way Handshake is
+	 * successfully completed. With WPA, this state is entered after the
+	 * Group Key Handshake; with IEEE 802.1X (non-WPA) connection is
+	 * completed after dynamic keys are received (or if not used, after
+	 * the EAP authentication has been completed). With static WEP keys and
+	 * plaintext connections, this state is entered when an association
+	 * has been completed.
+	 *
+	 * This state indicates that the supplicant has completed its
+	 * processing for the association phase and that data connection is
+	 * fully configured.
+	 */
+	WPA_COMPLETED
+};
+
+#define MLME_SETPROTECTION_PROTECT_TYPE_NONE 0
+#define MLME_SETPROTECTION_PROTECT_TYPE_RX 1
+#define MLME_SETPROTECTION_PROTECT_TYPE_TX 2
+#define MLME_SETPROTECTION_PROTECT_TYPE_RX_TX 3
+
+#define MLME_SETPROTECTION_KEY_TYPE_GROUP 0
+#define MLME_SETPROTECTION_KEY_TYPE_PAIRWISE 1
+
+
+/**
+ * enum mfp_options - Management frame protection (IEEE 802.11w) options
+ */
+enum mfp_options {
+	NO_MGMT_FRAME_PROTECTION = 0,
+	MGMT_FRAME_PROTECTION_OPTIONAL = 1,
+	MGMT_FRAME_PROTECTION_REQUIRED = 2
+};
+
+/**
+ * enum hostapd_hw_mode - Hardware mode
+ */
+enum hostapd_hw_mode {
+	HOSTAPD_MODE_IEEE80211B,
+	HOSTAPD_MODE_IEEE80211G,
+	HOSTAPD_MODE_IEEE80211A,
+	NUM_HOSTAPD_MODES
+};
+
+#endif /* DEFS_H */
diff --git a/src/common/eapol_common.h b/src/common/eapol_common.h
new file mode 100644
index 0000000..d70e62d
--- /dev/null
+++ b/src/common/eapol_common.h
@@ -0,0 +1,47 @@
+/*
+ * EAPOL definitions shared between hostapd and wpa_supplicant
+ * Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAPOL_COMMON_H
+#define EAPOL_COMMON_H
+
+/* IEEE Std 802.1X-2004 */
+
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+struct ieee802_1x_hdr {
+	u8 version;
+	u8 type;
+	be16 length;
+	/* followed by length octets of data */
+} STRUCT_PACKED;
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+#define EAPOL_VERSION 2
+
+enum { IEEE802_1X_TYPE_EAP_PACKET = 0,
+       IEEE802_1X_TYPE_EAPOL_START = 1,
+       IEEE802_1X_TYPE_EAPOL_LOGOFF = 2,
+       IEEE802_1X_TYPE_EAPOL_KEY = 3,
+       IEEE802_1X_TYPE_EAPOL_ENCAPSULATED_ASF_ALERT = 4
+};
+
+enum { EAPOL_KEY_TYPE_RC4 = 1, EAPOL_KEY_TYPE_RSN = 2,
+       EAPOL_KEY_TYPE_WPA = 254 };
+
+#endif /* EAPOL_COMMON_H */
diff --git a/src/common/ieee802_11_common.c b/src/common/ieee802_11_common.c
new file mode 100644
index 0000000..ee41b3a
--- /dev/null
+++ b/src/common/ieee802_11_common.c
@@ -0,0 +1,347 @@
+/*
+ * IEEE 802.11 Common routines
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "ieee802_11_defs.h"
+#include "ieee802_11_common.h"
+
+
+static int ieee802_11_parse_vendor_specific(const u8 *pos, size_t elen,
+					    struct ieee802_11_elems *elems,
+					    int show_errors)
+{
+	unsigned int oui;
+
+	/* first 3 bytes in vendor specific information element are the IEEE
+	 * OUI of the vendor. The following byte is used a vendor specific
+	 * sub-type. */
+	if (elen < 4) {
+		if (show_errors) {
+			wpa_printf(MSG_MSGDUMP, "short vendor specific "
+				   "information element ignored (len=%lu)",
+				   (unsigned long) elen);
+		}
+		return -1;
+	}
+
+	oui = WPA_GET_BE24(pos);
+	switch (oui) {
+	case OUI_MICROSOFT:
+		/* Microsoft/Wi-Fi information elements are further typed and
+		 * subtyped */
+		switch (pos[3]) {
+		case 1:
+			/* Microsoft OUI (00:50:F2) with OUI Type 1:
+			 * real WPA information element */
+			elems->wpa_ie = pos;
+			elems->wpa_ie_len = elen;
+			break;
+		case WMM_OUI_TYPE:
+			/* WMM information element */
+			if (elen < 5) {
+				wpa_printf(MSG_MSGDUMP, "short WMM "
+					   "information element ignored "
+					   "(len=%lu)",
+					   (unsigned long) elen);
+				return -1;
+			}
+			switch (pos[4]) {
+			case WMM_OUI_SUBTYPE_INFORMATION_ELEMENT:
+			case WMM_OUI_SUBTYPE_PARAMETER_ELEMENT:
+				/*
+				 * Share same pointer since only one of these
+				 * is used and they start with same data.
+				 * Length field can be used to distinguish the
+				 * IEs.
+				 */
+				elems->wmm = pos;
+				elems->wmm_len = elen;
+				break;
+			case WMM_OUI_SUBTYPE_TSPEC_ELEMENT:
+				elems->wmm_tspec = pos;
+				elems->wmm_tspec_len = elen;
+				break;
+			default:
+				wpa_printf(MSG_EXCESSIVE, "unknown WMM "
+					   "information element ignored "
+					   "(subtype=%d len=%lu)",
+					   pos[4], (unsigned long) elen);
+				return -1;
+			}
+			break;
+		case 4:
+			/* Wi-Fi Protected Setup (WPS) IE */
+			elems->wps_ie = pos;
+			elems->wps_ie_len = elen;
+			break;
+		default:
+			wpa_printf(MSG_EXCESSIVE, "Unknown Microsoft "
+				   "information element ignored "
+				   "(type=%d len=%lu)",
+				   pos[3], (unsigned long) elen);
+			return -1;
+		}
+		break;
+
+	case OUI_WFA:
+		switch (pos[3]) {
+		case P2P_OUI_TYPE:
+			/* Wi-Fi Alliance - P2P IE */
+			elems->p2p = pos;
+			elems->p2p_len = elen;
+			break;
+		default:
+			wpa_printf(MSG_MSGDUMP, "Unknown WFA "
+				   "information element ignored "
+				   "(type=%d len=%lu)\n",
+				   pos[3], (unsigned long) elen);
+			return -1;
+		}
+		break;
+
+	case OUI_BROADCOM:
+		switch (pos[3]) {
+		case VENDOR_HT_CAPAB_OUI_TYPE:
+			elems->vendor_ht_cap = pos;
+			elems->vendor_ht_cap_len = elen;
+			break;
+		default:
+			wpa_printf(MSG_EXCESSIVE, "Unknown Broadcom "
+				   "information element ignored "
+				   "(type=%d len=%lu)",
+				   pos[3], (unsigned long) elen);
+			return -1;
+		}
+		break;
+
+	default:
+		wpa_printf(MSG_EXCESSIVE, "unknown vendor specific "
+			   "information element ignored (vendor OUI "
+			   "%02x:%02x:%02x len=%lu)",
+			   pos[0], pos[1], pos[2], (unsigned long) elen);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+/**
+ * ieee802_11_parse_elems - Parse information elements in management frames
+ * @start: Pointer to the start of IEs
+ * @len: Length of IE buffer in octets
+ * @elems: Data structure for parsed elements
+ * @show_errors: Whether to show parsing errors in debug log
+ * Returns: Parsing result
+ */
+ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
+				struct ieee802_11_elems *elems,
+				int show_errors)
+{
+	size_t left = len;
+	const u8 *pos = start;
+	int unknown = 0;
+
+	os_memset(elems, 0, sizeof(*elems));
+
+	while (left >= 2) {
+		u8 id, elen;
+
+		id = *pos++;
+		elen = *pos++;
+		left -= 2;
+
+		if (elen > left) {
+			if (show_errors) {
+				wpa_printf(MSG_DEBUG, "IEEE 802.11 element "
+					   "parse failed (id=%d elen=%d "
+					   "left=%lu)",
+					   id, elen, (unsigned long) left);
+				wpa_hexdump(MSG_MSGDUMP, "IEs", start, len);
+			}
+			return ParseFailed;
+		}
+
+		switch (id) {
+		case WLAN_EID_SSID:
+			elems->ssid = pos;
+			elems->ssid_len = elen;
+			break;
+		case WLAN_EID_SUPP_RATES:
+			elems->supp_rates = pos;
+			elems->supp_rates_len = elen;
+			break;
+		case WLAN_EID_FH_PARAMS:
+			elems->fh_params = pos;
+			elems->fh_params_len = elen;
+			break;
+		case WLAN_EID_DS_PARAMS:
+			elems->ds_params = pos;
+			elems->ds_params_len = elen;
+			break;
+		case WLAN_EID_CF_PARAMS:
+			elems->cf_params = pos;
+			elems->cf_params_len = elen;
+			break;
+		case WLAN_EID_TIM:
+			elems->tim = pos;
+			elems->tim_len = elen;
+			break;
+		case WLAN_EID_IBSS_PARAMS:
+			elems->ibss_params = pos;
+			elems->ibss_params_len = elen;
+			break;
+		case WLAN_EID_CHALLENGE:
+			elems->challenge = pos;
+			elems->challenge_len = elen;
+			break;
+		case WLAN_EID_ERP_INFO:
+			elems->erp_info = pos;
+			elems->erp_info_len = elen;
+			break;
+		case WLAN_EID_EXT_SUPP_RATES:
+			elems->ext_supp_rates = pos;
+			elems->ext_supp_rates_len = elen;
+			break;
+		case WLAN_EID_VENDOR_SPECIFIC:
+			if (ieee802_11_parse_vendor_specific(pos, elen,
+							     elems,
+							     show_errors))
+				unknown++;
+			break;
+		case WLAN_EID_RSN:
+			elems->rsn_ie = pos;
+			elems->rsn_ie_len = elen;
+			break;
+		case WLAN_EID_PWR_CAPABILITY:
+			elems->power_cap = pos;
+			elems->power_cap_len = elen;
+			break;
+		case WLAN_EID_SUPPORTED_CHANNELS:
+			elems->supp_channels = pos;
+			elems->supp_channels_len = elen;
+			break;
+		case WLAN_EID_MOBILITY_DOMAIN:
+			elems->mdie = pos;
+			elems->mdie_len = elen;
+			break;
+		case WLAN_EID_FAST_BSS_TRANSITION:
+			elems->ftie = pos;
+			elems->ftie_len = elen;
+			break;
+		case WLAN_EID_TIMEOUT_INTERVAL:
+			elems->timeout_int = pos;
+			elems->timeout_int_len = elen;
+			break;
+		case WLAN_EID_HT_CAP:
+			elems->ht_capabilities = pos;
+			elems->ht_capabilities_len = elen;
+			break;
+		case WLAN_EID_HT_OPERATION:
+			elems->ht_operation = pos;
+			elems->ht_operation_len = elen;
+			break;
+		case WLAN_EID_LINK_ID:
+			if (elen < 18)
+				break;
+			elems->link_id = pos;
+			break;
+		default:
+			unknown++;
+			if (!show_errors)
+				break;
+			wpa_printf(MSG_MSGDUMP, "IEEE 802.11 element parse "
+				   "ignored unknown element (id=%d elen=%d)",
+				   id, elen);
+			break;
+		}
+
+		left -= elen;
+		pos += elen;
+	}
+
+	if (left)
+		return ParseFailed;
+
+	return unknown ? ParseUnknown : ParseOK;
+}
+
+
+int ieee802_11_ie_count(const u8 *ies, size_t ies_len)
+{
+	int count = 0;
+	const u8 *pos, *end;
+
+	if (ies == NULL)
+		return 0;
+
+	pos = ies;
+	end = ies + ies_len;
+
+	while (pos + 2 <= end) {
+		if (pos + 2 + pos[1] > end)
+			break;
+		count++;
+		pos += 2 + pos[1];
+	}
+
+	return count;
+}
+
+
+struct wpabuf * ieee802_11_vendor_ie_concat(const u8 *ies, size_t ies_len,
+					    u32 oui_type)
+{
+	struct wpabuf *buf;
+	const u8 *end, *pos, *ie;
+
+	pos = ies;
+	end = ies + ies_len;
+	ie = NULL;
+
+	while (pos + 1 < end) {
+		if (pos + 2 + pos[1] > end)
+			return NULL;
+		if (pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
+		    WPA_GET_BE32(&pos[2]) == oui_type) {
+			ie = pos;
+			break;
+		}
+		pos += 2 + pos[1];
+	}
+
+	if (ie == NULL)
+		return NULL; /* No specified vendor IE found */
+
+	buf = wpabuf_alloc(ies_len);
+	if (buf == NULL)
+		return NULL;
+
+	/*
+	 * There may be multiple vendor IEs in the message, so need to
+	 * concatenate their data fields.
+	 */
+	while (pos + 1 < end) {
+		if (pos + 2 + pos[1] > end)
+			break;
+		if (pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
+		    WPA_GET_BE32(&pos[2]) == oui_type)
+			wpabuf_put_data(buf, pos + 6, pos[1] - 4);
+		pos += 2 + pos[1];
+	}
+
+	return buf;
+}
diff --git a/src/common/ieee802_11_common.h b/src/common/ieee802_11_common.h
new file mode 100644
index 0000000..0c90fa4
--- /dev/null
+++ b/src/common/ieee802_11_common.h
@@ -0,0 +1,81 @@
+/*
+ * IEEE 802.11 Common routines
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef IEEE802_11_COMMON_H
+#define IEEE802_11_COMMON_H
+
+/* Parsed Information Elements */
+struct ieee802_11_elems {
+	const u8 *ssid;
+	const u8 *supp_rates;
+	const u8 *fh_params;
+	const u8 *ds_params;
+	const u8 *cf_params;
+	const u8 *tim;
+	const u8 *ibss_params;
+	const u8 *challenge;
+	const u8 *erp_info;
+	const u8 *ext_supp_rates;
+	const u8 *wpa_ie;
+	const u8 *rsn_ie;
+	const u8 *wmm; /* WMM Information or Parameter Element */
+	const u8 *wmm_tspec;
+	const u8 *wps_ie;
+	const u8 *power_cap;
+	const u8 *supp_channels;
+	const u8 *mdie;
+	const u8 *ftie;
+	const u8 *timeout_int;
+	const u8 *ht_capabilities;
+	const u8 *ht_operation;
+	const u8 *vendor_ht_cap;
+	const u8 *p2p;
+	const u8 *link_id;
+
+	u8 ssid_len;
+	u8 supp_rates_len;
+	u8 fh_params_len;
+	u8 ds_params_len;
+	u8 cf_params_len;
+	u8 tim_len;
+	u8 ibss_params_len;
+	u8 challenge_len;
+	u8 erp_info_len;
+	u8 ext_supp_rates_len;
+	u8 wpa_ie_len;
+	u8 rsn_ie_len;
+	u8 wmm_len; /* 7 = WMM Information; 24 = WMM Parameter */
+	u8 wmm_tspec_len;
+	u8 wps_ie_len;
+	u8 power_cap_len;
+	u8 supp_channels_len;
+	u8 mdie_len;
+	u8 ftie_len;
+	u8 timeout_int_len;
+	u8 ht_capabilities_len;
+	u8 ht_operation_len;
+	u8 vendor_ht_cap_len;
+	u8 p2p_len;
+};
+
+typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes;
+
+ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
+				struct ieee802_11_elems *elems,
+				int show_errors);
+int ieee802_11_ie_count(const u8 *ies, size_t ies_len);
+struct wpabuf * ieee802_11_vendor_ie_concat(const u8 *ies, size_t ies_len,
+					    u32 oui_type);
+
+#endif /* IEEE802_11_COMMON_H */
diff --git a/src/common/ieee802_11_defs.h b/src/common/ieee802_11_defs.h
new file mode 100644
index 0000000..86868c0
--- /dev/null
+++ b/src/common/ieee802_11_defs.h
@@ -0,0 +1,800 @@
+/*
+ * IEEE 802.11 Frame type definitions
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2007-2008 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef IEEE802_11_DEFS_H
+#define IEEE802_11_DEFS_H
+
+/* IEEE 802.11 defines */
+
+#define WLAN_FC_PVER		0x0003
+#define WLAN_FC_TODS		0x0100
+#define WLAN_FC_FROMDS		0x0200
+#define WLAN_FC_MOREFRAG	0x0400
+#define WLAN_FC_RETRY		0x0800
+#define WLAN_FC_PWRMGT		0x1000
+#define WLAN_FC_MOREDATA	0x2000
+#define WLAN_FC_ISWEP		0x4000
+#define WLAN_FC_ORDER		0x8000
+
+#define WLAN_FC_GET_TYPE(fc)	(((fc) & 0x000c) >> 2)
+#define WLAN_FC_GET_STYPE(fc)	(((fc) & 0x00f0) >> 4)
+
+#define WLAN_GET_SEQ_FRAG(seq) ((seq) & (BIT(3) | BIT(2) | BIT(1) | BIT(0)))
+#define WLAN_GET_SEQ_SEQ(seq) \
+	(((seq) & (~(BIT(3) | BIT(2) | BIT(1) | BIT(0)))) >> 4)
+
+#define WLAN_FC_TYPE_MGMT		0
+#define WLAN_FC_TYPE_CTRL		1
+#define WLAN_FC_TYPE_DATA		2
+
+/* management */
+#define WLAN_FC_STYPE_ASSOC_REQ		0
+#define WLAN_FC_STYPE_ASSOC_RESP	1
+#define WLAN_FC_STYPE_REASSOC_REQ	2
+#define WLAN_FC_STYPE_REASSOC_RESP	3
+#define WLAN_FC_STYPE_PROBE_REQ		4
+#define WLAN_FC_STYPE_PROBE_RESP	5
+#define WLAN_FC_STYPE_BEACON		8
+#define WLAN_FC_STYPE_ATIM		9
+#define WLAN_FC_STYPE_DISASSOC		10
+#define WLAN_FC_STYPE_AUTH		11
+#define WLAN_FC_STYPE_DEAUTH		12
+#define WLAN_FC_STYPE_ACTION		13
+
+/* control */
+#define WLAN_FC_STYPE_PSPOLL		10
+#define WLAN_FC_STYPE_RTS		11
+#define WLAN_FC_STYPE_CTS		12
+#define WLAN_FC_STYPE_ACK		13
+#define WLAN_FC_STYPE_CFEND		14
+#define WLAN_FC_STYPE_CFENDACK		15
+
+/* data */
+#define WLAN_FC_STYPE_DATA		0
+#define WLAN_FC_STYPE_DATA_CFACK	1
+#define WLAN_FC_STYPE_DATA_CFPOLL	2
+#define WLAN_FC_STYPE_DATA_CFACKPOLL	3
+#define WLAN_FC_STYPE_NULLFUNC		4
+#define WLAN_FC_STYPE_CFACK		5
+#define WLAN_FC_STYPE_CFPOLL		6
+#define WLAN_FC_STYPE_CFACKPOLL		7
+#define WLAN_FC_STYPE_QOS_DATA		8
+#define WLAN_FC_STYPE_QOS_DATA_CFACK	9
+#define WLAN_FC_STYPE_QOS_DATA_CFPOLL	10
+#define WLAN_FC_STYPE_QOS_DATA_CFACKPOLL	11
+#define WLAN_FC_STYPE_QOS_NULL		12
+#define WLAN_FC_STYPE_QOS_CFPOLL	14
+#define WLAN_FC_STYPE_QOS_CFACKPOLL	15
+
+/* Authentication algorithms */
+#define WLAN_AUTH_OPEN			0
+#define WLAN_AUTH_SHARED_KEY		1
+#define WLAN_AUTH_FT			2
+#define WLAN_AUTH_LEAP			128
+
+#define WLAN_AUTH_CHALLENGE_LEN 128
+
+#define WLAN_CAPABILITY_ESS BIT(0)
+#define WLAN_CAPABILITY_IBSS BIT(1)
+#define WLAN_CAPABILITY_CF_POLLABLE BIT(2)
+#define WLAN_CAPABILITY_CF_POLL_REQUEST BIT(3)
+#define WLAN_CAPABILITY_PRIVACY BIT(4)
+#define WLAN_CAPABILITY_SHORT_PREAMBLE BIT(5)
+#define WLAN_CAPABILITY_PBCC BIT(6)
+#define WLAN_CAPABILITY_CHANNEL_AGILITY BIT(7)
+#define WLAN_CAPABILITY_SPECTRUM_MGMT BIT(8)
+#define WLAN_CAPABILITY_SHORT_SLOT_TIME BIT(10)
+#define WLAN_CAPABILITY_DSSS_OFDM BIT(13)
+
+/* Status codes (IEEE 802.11-2007, 7.3.1.9, Table 7-23) */
+#define WLAN_STATUS_SUCCESS 0
+#define WLAN_STATUS_UNSPECIFIED_FAILURE 1
+#define WLAN_STATUS_TDLS_WAKEUP_ALTERNATE 2
+#define WLAN_STATUS_TDLS_WAKEUP_REJECT 3
+#define WLAN_STATUS_SECURITY_DISABLED 5
+#define WLAN_STATUS_UNACCEPTABLE_LIFETIME 6
+#define WLAN_STATUS_NOT_IN_SAME_BSS 7
+#define WLAN_STATUS_CAPS_UNSUPPORTED 10
+#define WLAN_STATUS_REASSOC_NO_ASSOC 11
+#define WLAN_STATUS_ASSOC_DENIED_UNSPEC 12
+#define WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG 13
+#define WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION 14
+#define WLAN_STATUS_CHALLENGE_FAIL 15
+#define WLAN_STATUS_AUTH_TIMEOUT 16
+#define WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA 17
+#define WLAN_STATUS_ASSOC_DENIED_RATES 18
+/* IEEE 802.11b */
+#define WLAN_STATUS_ASSOC_DENIED_NOSHORT 19
+#define WLAN_STATUS_ASSOC_DENIED_NOPBCC 20
+#define WLAN_STATUS_ASSOC_DENIED_NOAGILITY 21
+/* IEEE 802.11h */
+#define WLAN_STATUS_SPEC_MGMT_REQUIRED 22
+#define WLAN_STATUS_PWR_CAPABILITY_NOT_VALID 23
+#define WLAN_STATUS_SUPPORTED_CHANNEL_NOT_VALID 24
+/* IEEE 802.11g */
+#define WLAN_STATUS_ASSOC_DENIED_NO_SHORT_SLOT_TIME 25
+#define WLAN_STATUS_ASSOC_DENIED_NO_DSSS_OFDM 26
+#define WLAN_STATUS_ASSOC_DENIED_NO_HT 27
+#define WLAN_STATUS_R0KH_UNREACHABLE 28
+#define WLAN_STATUS_ASSOC_DENIED_NO_PCO 29
+/* IEEE 802.11w */
+#define WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY 30
+#define WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION 31
+#define WLAN_STATUS_UNSPECIFIED_QOS_FAILURE 32
+#define WLAN_STATUS_REQUEST_DECLINED 37
+#define WLAN_STATUS_INVALID_PARAMETERS 38
+/* IEEE 802.11i */
+#define WLAN_STATUS_INVALID_IE 40
+#define WLAN_STATUS_GROUP_CIPHER_NOT_VALID 41
+#define WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID 42
+#define WLAN_STATUS_AKMP_NOT_VALID 43
+#define WLAN_STATUS_UNSUPPORTED_RSN_IE_VERSION 44
+#define WLAN_STATUS_INVALID_RSN_IE_CAPAB 45
+#define WLAN_STATUS_CIPHER_REJECTED_PER_POLICY 46
+#define WLAN_STATUS_TS_NOT_CREATED 47
+#define WLAN_STATUS_DIRECT_LINK_NOT_ALLOWED 48
+#define WLAN_STATUS_DEST_STA_NOT_PRESENT 49
+#define WLAN_STATUS_DEST_STA_NOT_QOS_STA 50
+#define WLAN_STATUS_ASSOC_DENIED_LISTEN_INT_TOO_LARGE 51
+/* IEEE 802.11r */
+#define WLAN_STATUS_INVALID_FT_ACTION_FRAME_COUNT 52
+#define WLAN_STATUS_INVALID_PMKID 53
+#define WLAN_STATUS_INVALID_MDIE 54
+#define WLAN_STATUS_INVALID_FTIE 55
+#define WLAN_STATUS_INVALID_RSNIE 72
+
+/* Reason codes (IEEE 802.11-2007, 7.3.1.7, Table 7-22) */
+#define WLAN_REASON_UNSPECIFIED 1
+#define WLAN_REASON_PREV_AUTH_NOT_VALID 2
+#define WLAN_REASON_DEAUTH_LEAVING 3
+#define WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY 4
+#define WLAN_REASON_DISASSOC_AP_BUSY 5
+#define WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA 6
+#define WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA 7
+#define WLAN_REASON_DISASSOC_STA_HAS_LEFT 8
+#define WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH 9
+/* IEEE 802.11h */
+#define WLAN_REASON_PWR_CAPABILITY_NOT_VALID 10
+#define WLAN_REASON_SUPPORTED_CHANNEL_NOT_VALID 11
+/* IEEE 802.11i */
+#define WLAN_REASON_INVALID_IE 13
+#define WLAN_REASON_MICHAEL_MIC_FAILURE 14
+#define WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT 15
+#define WLAN_REASON_GROUP_KEY_UPDATE_TIMEOUT 16
+#define WLAN_REASON_IE_IN_4WAY_DIFFERS 17
+#define WLAN_REASON_GROUP_CIPHER_NOT_VALID 18
+#define WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID 19
+#define WLAN_REASON_AKMP_NOT_VALID 20
+#define WLAN_REASON_UNSUPPORTED_RSN_IE_VERSION 21
+#define WLAN_REASON_INVALID_RSN_IE_CAPAB 22
+#define WLAN_REASON_IEEE_802_1X_AUTH_FAILED 23
+#define WLAN_REASON_CIPHER_SUITE_REJECTED 24
+#define WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE 25
+#define WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED 26
+/* IEEE 802.11e */
+#define WLAN_REASON_DISASSOC_LOW_ACK 34
+
+
+/* Information Element IDs */
+#define WLAN_EID_SSID 0
+#define WLAN_EID_SUPP_RATES 1
+#define WLAN_EID_FH_PARAMS 2
+#define WLAN_EID_DS_PARAMS 3
+#define WLAN_EID_CF_PARAMS 4
+#define WLAN_EID_TIM 5
+#define WLAN_EID_IBSS_PARAMS 6
+#define WLAN_EID_COUNTRY 7
+#define WLAN_EID_CHALLENGE 16
+/* EIDs defined by IEEE 802.11h - START */
+#define WLAN_EID_PWR_CONSTRAINT 32
+#define WLAN_EID_PWR_CAPABILITY 33
+#define WLAN_EID_TPC_REQUEST 34
+#define WLAN_EID_TPC_REPORT 35
+#define WLAN_EID_SUPPORTED_CHANNELS 36
+#define WLAN_EID_CHANNEL_SWITCH 37
+#define WLAN_EID_MEASURE_REQUEST 38
+#define WLAN_EID_MEASURE_REPORT 39
+#define WLAN_EID_QUITE 40
+#define WLAN_EID_IBSS_DFS 41
+/* EIDs defined by IEEE 802.11h - END */
+#define WLAN_EID_ERP_INFO 42
+#define WLAN_EID_HT_CAP 45
+#define WLAN_EID_RSN 48
+#define WLAN_EID_EXT_SUPP_RATES 50
+#define WLAN_EID_MOBILITY_DOMAIN 54
+#define WLAN_EID_FAST_BSS_TRANSITION 55
+#define WLAN_EID_TIMEOUT_INTERVAL 56
+#define WLAN_EID_RIC_DATA 57
+#define WLAN_EID_HT_OPERATION 61
+#define WLAN_EID_SECONDARY_CHANNEL_OFFSET 62
+#define WLAN_EID_20_40_BSS_COEXISTENCE 72
+#define WLAN_EID_20_40_BSS_INTOLERANT 73
+#define WLAN_EID_OVERLAPPING_BSS_SCAN_PARAMS 74
+#define WLAN_EID_MMIE 76
+#define WLAN_EID_LINK_ID 101
+#define WLAN_EID_ADV_PROTO 108
+#define WLAN_EID_EXT_CAPAB 127
+#define WLAN_EID_VENDOR_SPECIFIC 221
+
+
+/* Action frame categories (IEEE 802.11-2007, 7.3.1.11, Table 7-24) */
+#define WLAN_ACTION_SPECTRUM_MGMT 0
+#define WLAN_ACTION_QOS 1
+#define WLAN_ACTION_DLS 2
+#define WLAN_ACTION_BLOCK_ACK 3
+#define WLAN_ACTION_PUBLIC 4
+#define WLAN_ACTION_RADIO_MEASUREMENT 5
+#define WLAN_ACTION_FT 6
+#define WLAN_ACTION_HT 7
+#define WLAN_ACTION_SA_QUERY 8
+#define WLAN_ACTION_TDLS 12
+#define WLAN_ACTION_WMM 17 /* WMM Specification 1.1 */
+#define WLAN_ACTION_VENDOR_SPECIFIC 127
+
+/* Public action codes */
+#define WLAN_PA_VENDOR_SPECIFIC 9
+#define WLAN_PA_GAS_INITIAL_REQ 10
+#define WLAN_PA_GAS_INITIAL_RESP 11
+#define WLAN_PA_GAS_COMEBACK_REQ 12
+#define WLAN_PA_GAS_COMEBACK_RESP 13
+
+/* SA Query Action frame (IEEE 802.11w/D8.0, 7.4.9) */
+#define WLAN_SA_QUERY_REQUEST 0
+#define WLAN_SA_QUERY_RESPONSE 1
+
+#define WLAN_SA_QUERY_TR_ID_LEN 2
+
+/* TDLS action codes */
+#define WLAN_TDLS_SETUP_REQUEST 0
+#define WLAN_TDLS_SETUP_RESPONSE 1
+#define WLAN_TDLS_SETUP_CONFIRM 2
+#define WLAN_TDLS_TEARDOWN 3
+#define WLAN_TDLS_PEER_TRAFFIC_INDICATION 4
+#define WLAN_TDLS_CHANNEL_SWITCH_REQUEST 5
+#define WLAN_TDLS_CHANNEL_SWITCH_RESPONSE 6
+#define WLAN_TDLS_PEER_PSM_REQUEST 7
+#define WLAN_TDLS_PEER_PSM_RESPONSE 8
+#define WLAN_TDLS_PEER_TRAFFIC_RESPONSE 9
+#define WLAN_TDLS_DISCOVERY_REQUEST 10
+
+/* Timeout Interval Type */
+#define WLAN_TIMEOUT_REASSOC_DEADLINE 1
+#define WLAN_TIMEOUT_KEY_LIFETIME 2
+#define WLAN_TIMEOUT_ASSOC_COMEBACK 3
+
+/* Advertisement Protocol ID definitions (IEEE 802.11u) */
+enum adv_proto_id {
+	NATIVE_QUERY_PROTOCOL = 0,
+	MIH_INFO_SERVICE = 1,
+	MIH_CMD_AND_EVENT_DISCOVERY = 2,
+	EMERGENCY_ALERT_SYSTEM = 3,
+	LOCATION_TO_SERVICE = 4,
+	ADV_PROTO_VENDOR_SPECIFIC = 221
+};
+
+/* Native Query Protocol info ID definitions (IEEE 802.11u) */
+enum nqp_info_id {
+	NQP_CAPABILITY_LIST = 256,
+	NQP_VENUE_NAME = 257,
+	NQP_EMERGENCY_CALL_NUMBER = 258,
+	NQP_NETWORK_AUTH_TYPE = 259,
+	NQP_ROAMING_CONSORTIUM = 260,
+	NQP_IP_ADDR_TYPE_AVAILABILITY = 261,
+	NQP_NAI_REALM = 262,
+	NQP_3GPP_CELLULAR_NETWORK = 263,
+	NQP_AP_GEOSPATIAL_LOCATION = 264,
+	NQP_AP_CIVIC_LOCATION = 265,
+	NQP_DOMAIN_NAME = 266,
+	NQP_EMERGENCY_ALERT_URI = 267,
+	NQP_VENDOR_SPECIFIC = 56797
+};
+
+
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+struct ieee80211_hdr {
+	le16 frame_control;
+	le16 duration_id;
+	u8 addr1[6];
+	u8 addr2[6];
+	u8 addr3[6];
+	le16 seq_ctrl;
+	/* followed by 'u8 addr4[6];' if ToDS and FromDS is set in data frame
+	 */
+} STRUCT_PACKED;
+
+#define IEEE80211_DA_FROMDS addr1
+#define IEEE80211_BSSID_FROMDS addr2
+#define IEEE80211_SA_FROMDS addr3
+
+#define IEEE80211_HDRLEN (sizeof(struct ieee80211_hdr))
+
+#define IEEE80211_FC(type, stype) host_to_le16((type << 2) | (stype << 4))
+
+struct ieee80211_mgmt {
+	le16 frame_control;
+	le16 duration;
+	u8 da[6];
+	u8 sa[6];
+	u8 bssid[6];
+	le16 seq_ctrl;
+	union {
+		struct {
+			le16 auth_alg;
+			le16 auth_transaction;
+			le16 status_code;
+			/* possibly followed by Challenge text */
+			u8 variable[0];
+		} STRUCT_PACKED auth;
+		struct {
+			le16 reason_code;
+			u8 variable[0];
+		} STRUCT_PACKED deauth;
+		struct {
+			le16 capab_info;
+			le16 listen_interval;
+			/* followed by SSID and Supported rates */
+			u8 variable[0];
+		} STRUCT_PACKED assoc_req;
+		struct {
+			le16 capab_info;
+			le16 status_code;
+			le16 aid;
+			/* followed by Supported rates */
+			u8 variable[0];
+		} STRUCT_PACKED assoc_resp, reassoc_resp;
+		struct {
+			le16 capab_info;
+			le16 listen_interval;
+			u8 current_ap[6];
+			/* followed by SSID and Supported rates */
+			u8 variable[0];
+		} STRUCT_PACKED reassoc_req;
+		struct {
+			le16 reason_code;
+			u8 variable[0];
+		} STRUCT_PACKED disassoc;
+		struct {
+			u8 timestamp[8];
+			le16 beacon_int;
+			le16 capab_info;
+			/* followed by some of SSID, Supported rates,
+			 * FH Params, DS Params, CF Params, IBSS Params, TIM */
+			u8 variable[0];
+		} STRUCT_PACKED beacon;
+		struct {
+			/* only variable items: SSID, Supported rates */
+			u8 variable[0];
+		} STRUCT_PACKED probe_req;
+		struct {
+			u8 timestamp[8];
+			le16 beacon_int;
+			le16 capab_info;
+			/* followed by some of SSID, Supported rates,
+			 * FH Params, DS Params, CF Params, IBSS Params */
+			u8 variable[0];
+		} STRUCT_PACKED probe_resp;
+		struct {
+			u8 category;
+			union {
+				struct {
+					u8 action_code;
+					u8 dialog_token;
+					u8 status_code;
+					u8 variable[0];
+				} STRUCT_PACKED wmm_action;
+				struct{
+					u8 action_code;
+					u8 element_id;
+					u8 length;
+					u8 switch_mode;
+					u8 new_chan;
+					u8 switch_count;
+				} STRUCT_PACKED chan_switch;
+				struct {
+					u8 action;
+					u8 sta_addr[ETH_ALEN];
+					u8 target_ap_addr[ETH_ALEN];
+					u8 variable[0]; /* FT Request */
+				} STRUCT_PACKED ft_action_req;
+				struct {
+					u8 action;
+					u8 sta_addr[ETH_ALEN];
+					u8 target_ap_addr[ETH_ALEN];
+					le16 status_code;
+					u8 variable[0]; /* FT Request */
+				} STRUCT_PACKED ft_action_resp;
+				struct {
+					u8 action;
+					u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
+				} STRUCT_PACKED sa_query_req;
+				struct {
+					u8 action; /* */
+					u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
+				} STRUCT_PACKED sa_query_resp;
+				struct {
+					u8 action;
+					u8 variable[0];
+				} STRUCT_PACKED public_action;
+				struct {
+					u8 action; /* 9 */
+					u8 oui[3];
+					/* Vendor-specific content */
+					u8 variable[0];
+				} STRUCT_PACKED vs_public_action;
+			} u;
+		} STRUCT_PACKED action;
+	} u;
+} STRUCT_PACKED;
+
+
+struct ieee80211_ht_capabilities {
+	le16 ht_capabilities_info;
+	u8 a_mpdu_params;
+	u8 supported_mcs_set[16];
+	le16 ht_extended_capabilities;
+	le32 tx_bf_capability_info;
+	u8 asel_capabilities;
+} STRUCT_PACKED;
+
+
+struct ieee80211_ht_operation {
+	u8 control_chan;
+	u8 ht_param;
+	le16 operation_mode;
+	le16 stbc_param;
+	u8 basic_set[16];
+} STRUCT_PACKED;
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+#define ERP_INFO_NON_ERP_PRESENT BIT(0)
+#define ERP_INFO_USE_PROTECTION BIT(1)
+#define ERP_INFO_BARKER_PREAMBLE_MODE BIT(2)
+
+
+#define HT_CAP_INFO_LDPC_CODING_CAP		((u16) BIT(0))
+#define HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET	((u16) BIT(1))
+#define HT_CAP_INFO_SMPS_MASK			((u16) (BIT(2) | BIT(3)))
+#define HT_CAP_INFO_SMPS_STATIC			((u16) 0)
+#define HT_CAP_INFO_SMPS_DYNAMIC		((u16) BIT(2))
+#define HT_CAP_INFO_SMPS_DISABLED		((u16) (BIT(2) | BIT(3)))
+#define HT_CAP_INFO_GREEN_FIELD			((u16) BIT(4))
+#define HT_CAP_INFO_SHORT_GI20MHZ		((u16) BIT(5))
+#define HT_CAP_INFO_SHORT_GI40MHZ		((u16) BIT(6))
+#define HT_CAP_INFO_TX_STBC			((u16) BIT(7))
+#define HT_CAP_INFO_RX_STBC_MASK		((u16) (BIT(8) | BIT(9)))
+#define HT_CAP_INFO_RX_STBC_1			((u16) BIT(8))
+#define HT_CAP_INFO_RX_STBC_12			((u16) BIT(9))
+#define HT_CAP_INFO_RX_STBC_123			((u16) (BIT(8) | BIT(9)))
+#define HT_CAP_INFO_DELAYED_BA			((u16) BIT(10))
+#define HT_CAP_INFO_MAX_AMSDU_SIZE		((u16) BIT(11))
+#define HT_CAP_INFO_DSSS_CCK40MHZ		((u16) BIT(12))
+#define HT_CAP_INFO_PSMP_SUPP			((u16) BIT(13))
+#define HT_CAP_INFO_40MHZ_INTOLERANT		((u16) BIT(14))
+#define HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT	((u16) BIT(15))
+
+
+#define EXT_HT_CAP_INFO_PCO			((u16) BIT(0))
+#define EXT_HT_CAP_INFO_TRANS_TIME_OFFSET	1
+#define EXT_HT_CAP_INFO_MCS_FEEDBACK_OFFSET	8
+#define EXT_HT_CAP_INFO_HTC_SUPPORTED		((u16) BIT(10))
+#define EXT_HT_CAP_INFO_RD_RESPONDER		((u16) BIT(11))
+
+
+#define TX_BEAMFORM_CAP_TXBF_CAP ((u32) BIT(0))
+#define TX_BEAMFORM_CAP_RX_STAGGERED_SOUNDING_CAP ((u32) BIT(1))
+#define TX_BEAMFORM_CAP_TX_STAGGERED_SOUNDING_CAP ((u32) BIT(2))
+#define TX_BEAMFORM_CAP_RX_ZLF_CAP ((u32) BIT(3))
+#define TX_BEAMFORM_CAP_TX_ZLF_CAP ((u32) BIT(4))
+#define TX_BEAMFORM_CAP_IMPLICIT_ZLF_CAP ((u32) BIT(5))
+#define TX_BEAMFORM_CAP_CALIB_OFFSET 6
+#define TX_BEAMFORM_CAP_EXPLICIT_CSI_TXBF_CAP ((u32) BIT(8))
+#define TX_BEAMFORM_CAP_EXPLICIT_UNCOMPR_STEERING_MATRIX_CAP ((u32) BIT(9))
+#define TX_BEAMFORM_CAP_EXPLICIT_BF_CSI_FEEDBACK_CAP ((u32) BIT(10))
+#define TX_BEAMFORM_CAP_EXPLICIT_BF_CSI_FEEDBACK_OFFSET 11
+#define TX_BEAMFORM_CAP_EXPLICIT_UNCOMPR_STEERING_MATRIX_FEEDBACK_OFFSET 13
+#define TX_BEAMFORM_CAP_EXPLICIT_COMPRESSED_STEERING_MATRIX_FEEDBACK_OFFSET 15
+#define TX_BEAMFORM_CAP_MINIMAL_GROUPING_OFFSET 17
+#define TX_BEAMFORM_CAP_CSI_NUM_BEAMFORMER_ANT_OFFSET 19
+#define TX_BEAMFORM_CAP_UNCOMPRESSED_STEERING_MATRIX_BEAMFORMER_ANT_OFFSET 21
+#define TX_BEAMFORM_CAP_COMPRESSED_STEERING_MATRIX_BEAMFORMER_ANT_OFFSET 23
+#define TX_BEAMFORM_CAP_SCI_MAX_OF_ROWS_BEANFORMER_SUPPORTED_OFFSET 25
+
+
+#define ASEL_CAPABILITY_ASEL_CAPABLE ((u8) BIT(0))
+#define ASEL_CAPABILITY_EXPLICIT_CSI_FEEDBACK_BASED_TX_AS_CAP ((u8) BIT(1))
+#define ASEL_CAPABILITY_ANT_INDICES_FEEDBACK_BASED_TX_AS_CAP ((u8) BIT(2))
+#define ASEL_CAPABILITY_EXPLICIT_CSI_FEEDBACK_CAP ((u8) BIT(3))
+#define ASEL_CAPABILITY_ANT_INDICES_FEEDBACK_CAP ((u8) BIT(4))
+#define ASEL_CAPABILITY_RX_AS_CAP ((u8) BIT(5))
+#define ASEL_CAPABILITY_TX_SOUND_PPDUS_CAP ((u8) BIT(6))
+
+#define HT_INFO_HT_PARAM_SECONDARY_CHNL_OFF_MASK	((u8) BIT(0) | BIT(1))
+#define HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE		((u8) BIT(0))
+#define HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW		((u8) BIT(0) | BIT(1))
+#define HT_INFO_HT_PARAM_REC_TRANS_CHNL_WIDTH		((u8) BIT(2))
+#define HT_INFO_HT_PARAM_RIFS_MODE			((u8) BIT(3))
+#define HT_INFO_HT_PARAM_CTRL_ACCESS_ONLY		((u8) BIT(4))
+#define HT_INFO_HT_PARAM_SRV_INTERVAL_GRANULARITY	((u8) BIT(5))
+
+
+#define OP_MODE_PURE                    0
+#define OP_MODE_MAY_BE_LEGACY_STAS      1
+#define OP_MODE_20MHZ_HT_STA_ASSOCED    2
+#define OP_MODE_MIXED                   3
+
+#define HT_INFO_OPERATION_MODE_OP_MODE_MASK	\
+		((le16) (0x0001 | 0x0002))
+#define HT_INFO_OPERATION_MODE_OP_MODE_OFFSET		0
+#define HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT	((u8) BIT(2))
+#define HT_INFO_OPERATION_MODE_TRANSMIT_BURST_LIMIT	((u8) BIT(3))
+#define HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT	((u8) BIT(4))
+
+#define HT_INFO_STBC_PARAM_DUAL_BEACON			((u16) BIT(6))
+#define HT_INFO_STBC_PARAM_DUAL_STBC_PROTECT		((u16) BIT(7))
+#define HT_INFO_STBC_PARAM_SECONDARY_BCN		((u16) BIT(8))
+#define HT_INFO_STBC_PARAM_LSIG_TXOP_PROTECT_ALLOWED	((u16) BIT(9))
+#define HT_INFO_STBC_PARAM_PCO_ACTIVE			((u16) BIT(10))
+#define HT_INFO_STBC_PARAM_PCO_PHASE			((u16) BIT(11))
+
+#define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
+
+#define OUI_MICROSOFT 0x0050f2 /* Microsoft (also used in Wi-Fi specs)
+				* 00:50:F2 */
+#define WPA_IE_VENDOR_TYPE 0x0050f201
+#define WPS_IE_VENDOR_TYPE 0x0050f204
+#define OUI_WFA 0x506f9a
+#define P2P_IE_VENDOR_TYPE 0x506f9a09
+
+#define WMM_OUI_TYPE 2
+#define WMM_OUI_SUBTYPE_INFORMATION_ELEMENT 0
+#define WMM_OUI_SUBTYPE_PARAMETER_ELEMENT 1
+#define WMM_OUI_SUBTYPE_TSPEC_ELEMENT 2
+#define WMM_VERSION 1
+
+#define WMM_ACTION_CODE_ADDTS_REQ 0
+#define WMM_ACTION_CODE_ADDTS_RESP 1
+#define WMM_ACTION_CODE_DELTS 2
+
+#define WMM_ADDTS_STATUS_ADMISSION_ACCEPTED 0
+#define WMM_ADDTS_STATUS_INVALID_PARAMETERS 1
+/* 2 - Reserved */
+#define WMM_ADDTS_STATUS_REFUSED 3
+/* 4-255 - Reserved */
+
+/* WMM TSPEC Direction Field Values */
+#define WMM_TSPEC_DIRECTION_UPLINK 0
+#define WMM_TSPEC_DIRECTION_DOWNLINK 1
+/* 2 - Reserved */
+#define WMM_TSPEC_DIRECTION_BI_DIRECTIONAL 3
+
+/*
+ * WMM Information Element (used in (Re)Association Request frames; may also be
+ * used in Beacon frames)
+ */
+struct wmm_information_element {
+	/* Element ID: 221 (0xdd); Length: 7 */
+	/* required fields for WMM version 1 */
+	u8 oui[3]; /* 00:50:f2 */
+	u8 oui_type; /* 2 */
+	u8 oui_subtype; /* 0 */
+	u8 version; /* 1 for WMM version 1.0 */
+	u8 qos_info; /* AP/STA specific QoS info */
+
+} STRUCT_PACKED;
+
+#define WMM_AC_AIFSN_MASK 0x0f
+#define WMM_AC_AIFNS_SHIFT 0
+#define WMM_AC_ACM 0x10
+#define WMM_AC_ACI_MASK 0x60
+#define WMM_AC_ACI_SHIFT 5
+
+#define WMM_AC_ECWMIN_MASK 0x0f
+#define WMM_AC_ECWMIN_SHIFT 0
+#define WMM_AC_ECWMAX_MASK 0xf0
+#define WMM_AC_ECWMAX_SHIFT 4
+
+struct wmm_ac_parameter {
+	u8 aci_aifsn; /* AIFSN, ACM, ACI */
+	u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
+	le16 txop_limit;
+}  STRUCT_PACKED;
+
+/*
+ * WMM Parameter Element (used in Beacon, Probe Response, and (Re)Association
+ * Response frmaes)
+ */
+struct wmm_parameter_element {
+	/* Element ID: 221 (0xdd); Length: 24 */
+	/* required fields for WMM version 1 */
+	u8 oui[3]; /* 00:50:f2 */
+	u8 oui_type; /* 2 */
+	u8 oui_subtype; /* 1 */
+	u8 version; /* 1 for WMM version 1.0 */
+	u8 qos_info; /* AP/STA specif QoS info */
+	u8 reserved; /* 0 */
+	struct wmm_ac_parameter ac[4]; /* AC_BE, AC_BK, AC_VI, AC_VO */
+
+} STRUCT_PACKED;
+
+/* WMM TSPEC Element */
+struct wmm_tspec_element {
+	u8 eid; /* 221 = 0xdd */
+	u8 length; /* 6 + 55 = 61 */
+	u8 oui[3]; /* 00:50:f2 */
+	u8 oui_type; /* 2 */
+	u8 oui_subtype; /* 2 */
+	u8 version; /* 1 */
+	/* WMM TSPEC body (55 octets): */
+	u8 ts_info[3];
+	le16 nominal_msdu_size;
+	le16 maximum_msdu_size;
+	le32 minimum_service_interval;
+	le32 maximum_service_interval;
+	le32 inactivity_interval;
+	le32 suspension_interval;
+	le32 service_start_time;
+	le32 minimum_data_rate;
+	le32 mean_data_rate;
+	le32 peak_data_rate;
+	le32 maximum_burst_size;
+	le32 delay_bound;
+	le32 minimum_phy_rate;
+	le16 surplus_bandwidth_allowance;
+	le16 medium_time;
+} STRUCT_PACKED;
+
+
+/* Access Categories / ACI to AC coding */
+enum {
+	WMM_AC_BE = 0 /* Best Effort */,
+	WMM_AC_BK = 1 /* Background */,
+	WMM_AC_VI = 2 /* Video */,
+	WMM_AC_VO = 3 /* Voice */
+};
+
+
+/* Wi-Fi Direct (P2P) */
+
+#define P2P_OUI_TYPE 9
+
+enum p2p_attr_id {
+	P2P_ATTR_STATUS = 0,
+	P2P_ATTR_MINOR_REASON_CODE = 1,
+	P2P_ATTR_CAPABILITY = 2,
+	P2P_ATTR_DEVICE_ID = 3,
+	P2P_ATTR_GROUP_OWNER_INTENT = 4,
+	P2P_ATTR_CONFIGURATION_TIMEOUT = 5,
+	P2P_ATTR_LISTEN_CHANNEL = 6,
+	P2P_ATTR_GROUP_BSSID = 7,
+	P2P_ATTR_EXT_LISTEN_TIMING = 8,
+	P2P_ATTR_INTENDED_INTERFACE_ADDR = 9,
+	P2P_ATTR_MANAGEABILITY = 10,
+	P2P_ATTR_CHANNEL_LIST = 11,
+	P2P_ATTR_NOTICE_OF_ABSENCE = 12,
+	P2P_ATTR_DEVICE_INFO = 13,
+	P2P_ATTR_GROUP_INFO = 14,
+	P2P_ATTR_GROUP_ID = 15,
+	P2P_ATTR_INTERFACE = 16,
+	P2P_ATTR_OPERATING_CHANNEL = 17,
+	P2P_ATTR_INVITATION_FLAGS = 18,
+	P2P_ATTR_VENDOR_SPECIFIC = 221
+};
+
+#define P2P_MAX_GO_INTENT 15
+
+/* P2P Capability - Device Capability bitmap */
+#define P2P_DEV_CAPAB_SERVICE_DISCOVERY BIT(0)
+#define P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY BIT(1)
+#define P2P_DEV_CAPAB_CONCURRENT_OPER BIT(2)
+#define P2P_DEV_CAPAB_INFRA_MANAGED BIT(3)
+#define P2P_DEV_CAPAB_DEVICE_LIMIT BIT(4)
+#define P2P_DEV_CAPAB_INVITATION_PROCEDURE BIT(5)
+
+/* P2P Capability - Group Capability bitmap */
+#define P2P_GROUP_CAPAB_GROUP_OWNER BIT(0)
+#define P2P_GROUP_CAPAB_PERSISTENT_GROUP BIT(1)
+#define P2P_GROUP_CAPAB_GROUP_LIMIT BIT(2)
+#define P2P_GROUP_CAPAB_INTRA_BSS_DIST BIT(3)
+#define P2P_GROUP_CAPAB_CROSS_CONN BIT(4)
+#define P2P_GROUP_CAPAB_PERSISTENT_RECONN BIT(5)
+#define P2P_GROUP_CAPAB_GROUP_FORMATION BIT(6)
+
+/* Invitation Flags */
+#define P2P_INVITATION_FLAGS_TYPE BIT(0)
+
+/* P2P Manageability */
+#define P2P_MAN_DEVICE_MANAGEMENT BIT(0)
+#define P2P_MAN_CROSS_CONNECTION_PERMITTED BIT(1)
+#define P2P_MAN_COEXISTENCE_OPTIONAL BIT(2)
+
+enum p2p_status_code {
+	P2P_SC_SUCCESS = 0,
+	P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE = 1,
+	P2P_SC_FAIL_INCOMPATIBLE_PARAMS = 2,
+	P2P_SC_FAIL_LIMIT_REACHED = 3,
+	P2P_SC_FAIL_INVALID_PARAMS = 4,
+	P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE = 5,
+	P2P_SC_FAIL_PREV_PROTOCOL_ERROR = 6,
+	P2P_SC_FAIL_NO_COMMON_CHANNELS = 7,
+	P2P_SC_FAIL_UNKNOWN_GROUP = 8,
+	P2P_SC_FAIL_BOTH_GO_INTENT_15 = 9,
+	P2P_SC_FAIL_INCOMPATIBLE_PROV_METHOD = 10,
+	P2P_SC_FAIL_REJECTED_BY_USER = 11,
+};
+
+#define P2P_WILDCARD_SSID "DIRECT-"
+#define P2P_WILDCARD_SSID_LEN 7
+
+/* P2P action frames */
+enum p2p_act_frame_type {
+	P2P_NOA = 0,
+	P2P_PRESENCE_REQ = 1,
+	P2P_PRESENCE_RESP = 2,
+	P2P_GO_DISC_REQ = 3
+};
+
+/* P2P public action frames */
+enum p2p_action_frame_type {
+	P2P_GO_NEG_REQ = 0,
+	P2P_GO_NEG_RESP = 1,
+	P2P_GO_NEG_CONF = 2,
+	P2P_INVITATION_REQ = 3,
+	P2P_INVITATION_RESP = 4,
+	P2P_DEV_DISC_REQ = 5,
+	P2P_DEV_DISC_RESP = 6,
+	P2P_PROV_DISC_REQ = 7,
+	P2P_PROV_DISC_RESP = 8
+};
+
+enum p2p_service_protocol_type {
+	P2P_SERV_ALL_SERVICES = 0,
+	P2P_SERV_BONJOUR = 1,
+	P2P_SERV_UPNP = 2,
+	P2P_SERV_WS_DISCOVERY = 3,
+	P2P_SERV_VENDOR_SPECIFIC = 255
+};
+
+enum p2p_sd_status {
+	P2P_SD_SUCCESS = 0,
+	P2P_SD_PROTO_NOT_AVAILABLE = 1,
+	P2P_SD_REQUESTED_INFO_NOT_AVAILABLE = 2,
+	P2P_SD_BAD_REQUEST = 3
+};
+
+
+#define OUI_BROADCOM 0x00904c /* Broadcom (Epigram) */
+
+#define VENDOR_HT_CAPAB_OUI_TYPE 0x33 /* 00-90-4c:0x33 */
+
+/* cipher suite selectors */
+#define WLAN_CIPHER_SUITE_USE_GROUP	0x000FAC00
+#define WLAN_CIPHER_SUITE_WEP40		0x000FAC01
+#define WLAN_CIPHER_SUITE_TKIP		0x000FAC02
+/* reserved: 				0x000FAC03 */
+#define WLAN_CIPHER_SUITE_CCMP		0x000FAC04
+#define WLAN_CIPHER_SUITE_WEP104	0x000FAC05
+#define WLAN_CIPHER_SUITE_AES_CMAC	0x000FAC06
+
+/* AKM suite selectors */
+#define WLAN_AKM_SUITE_8021X		0x000FAC01
+#define WLAN_AKM_SUITE_PSK		0x000FAC02
+
+#endif /* IEEE802_11_DEFS_H */
diff --git a/src/common/privsep_commands.h b/src/common/privsep_commands.h
new file mode 100644
index 0000000..cc900be
--- /dev/null
+++ b/src/common/privsep_commands.h
@@ -0,0 +1,75 @@
+/*
+ * WPA Supplicant - privilege separation commands
+ * Copyright (c) 2007-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef PRIVSEP_COMMANDS_H
+#define PRIVSEP_COMMANDS_H
+
+enum privsep_cmd {
+	PRIVSEP_CMD_REGISTER,
+	PRIVSEP_CMD_UNREGISTER,
+	PRIVSEP_CMD_SCAN,
+	PRIVSEP_CMD_GET_SCAN_RESULTS,
+	PRIVSEP_CMD_ASSOCIATE,
+	PRIVSEP_CMD_GET_BSSID,
+	PRIVSEP_CMD_GET_SSID,
+	PRIVSEP_CMD_SET_KEY,
+	PRIVSEP_CMD_GET_CAPA,
+	PRIVSEP_CMD_L2_REGISTER,
+	PRIVSEP_CMD_L2_UNREGISTER,
+	PRIVSEP_CMD_L2_NOTIFY_AUTH_START,
+	PRIVSEP_CMD_L2_SEND,
+	PRIVSEP_CMD_SET_COUNTRY,
+};
+
+struct privsep_cmd_associate
+{
+	u8 bssid[ETH_ALEN];
+	u8 ssid[32];
+	size_t ssid_len;
+	int freq;
+	int pairwise_suite;
+	int group_suite;
+	int key_mgmt_suite;
+	int auth_alg;
+	int mode;
+	size_t wpa_ie_len;
+	/* followed by wpa_ie_len bytes of wpa_ie */
+};
+
+struct privsep_cmd_set_key
+{
+	int alg;
+	u8 addr[ETH_ALEN];
+	int key_idx;
+	int set_tx;
+	u8 seq[8];
+	size_t seq_len;
+	u8 key[32];
+	size_t key_len;
+};
+
+enum privsep_event {
+	PRIVSEP_EVENT_SCAN_RESULTS,
+	PRIVSEP_EVENT_ASSOC,
+	PRIVSEP_EVENT_DISASSOC,
+	PRIVSEP_EVENT_ASSOCINFO,
+	PRIVSEP_EVENT_MICHAEL_MIC_FAILURE,
+	PRIVSEP_EVENT_INTERFACE_STATUS,
+	PRIVSEP_EVENT_PMKID_CANDIDATE,
+	PRIVSEP_EVENT_STKSTART,
+	PRIVSEP_EVENT_FT_RESPONSE,
+	PRIVSEP_EVENT_RX_EAPOL,
+};
+
+#endif /* PRIVSEP_COMMANDS_H */
diff --git a/src/common/version.h b/src/common/version.h
new file mode 100644
index 0000000..ba2d2c0
--- /dev/null
+++ b/src/common/version.h
@@ -0,0 +1,10 @@
+#ifndef VERSION_H
+#define VERSION_H
+
+#ifndef VERSION_STR_POSTFIX
+#define VERSION_STR_POSTFIX ""
+#endif /* VERSION_STR_POSTFIX */
+
+#define VERSION_STR "0.8.x" VERSION_STR_POSTFIX
+
+#endif /* VERSION_H */
diff --git a/src/common/wpa_common.c b/src/common/wpa_common.c
new file mode 100644
index 0000000..eb2745e
--- /dev/null
+++ b/src/common/wpa_common.c
@@ -0,0 +1,927 @@
+/*
+ * WPA/RSN - Shared functions for supplicant and authenticator
+ * Copyright (c) 2002-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/md5.h"
+#include "crypto/sha1.h"
+#include "crypto/sha256.h"
+#include "crypto/aes_wrap.h"
+#include "crypto/crypto.h"
+#include "ieee802_11_defs.h"
+#include "defs.h"
+#include "wpa_common.h"
+
+
+/**
+ * wpa_eapol_key_mic - Calculate EAPOL-Key MIC
+ * @key: EAPOL-Key Key Confirmation Key (KCK)
+ * @ver: Key descriptor version (WPA_KEY_INFO_TYPE_*)
+ * @buf: Pointer to the beginning of the EAPOL header (version field)
+ * @len: Length of the EAPOL frame (from EAPOL header to the end of the frame)
+ * @mic: Pointer to the buffer to which the EAPOL-Key MIC is written
+ * Returns: 0 on success, -1 on failure
+ *
+ * Calculate EAPOL-Key MIC for an EAPOL-Key packet. The EAPOL-Key MIC field has
+ * to be cleared (all zeroes) when calling this function.
+ *
+ * Note: 'IEEE Std 802.11i-2004 - 8.5.2 EAPOL-Key frames' has an error in the
+ * description of the Key MIC calculation. It includes packet data from the
+ * beginning of the EAPOL-Key header, not EAPOL header. This incorrect change
+ * happened during final editing of the standard and the correct behavior is
+ * defined in the last draft (IEEE 802.11i/D10).
+ */
+int wpa_eapol_key_mic(const u8 *key, int ver, const u8 *buf, size_t len,
+		      u8 *mic)
+{
+	u8 hash[SHA1_MAC_LEN];
+
+	switch (ver) {
+	case WPA_KEY_INFO_TYPE_HMAC_MD5_RC4:
+		return hmac_md5(key, 16, buf, len, mic);
+	case WPA_KEY_INFO_TYPE_HMAC_SHA1_AES:
+		if (hmac_sha1(key, 16, buf, len, hash))
+			return -1;
+		os_memcpy(mic, hash, MD5_MAC_LEN);
+		break;
+#if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W)
+	case WPA_KEY_INFO_TYPE_AES_128_CMAC:
+		return omac1_aes_128(key, buf, len, mic);
+#endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W */
+	default:
+		return -1;
+	}
+
+	return 0;
+}
+
+
+/**
+ * wpa_pmk_to_ptk - Calculate PTK from PMK, addresses, and nonces
+ * @pmk: Pairwise master key
+ * @pmk_len: Length of PMK
+ * @label: Label to use in derivation
+ * @addr1: AA or SA
+ * @addr2: SA or AA
+ * @nonce1: ANonce or SNonce
+ * @nonce2: SNonce or ANonce
+ * @ptk: Buffer for pairwise transient key
+ * @ptk_len: Length of PTK
+ * @use_sha256: Whether to use SHA256-based KDF
+ *
+ * IEEE Std 802.11i-2004 - 8.5.1.2 Pairwise key hierarchy
+ * PTK = PRF-X(PMK, "Pairwise key expansion",
+ *             Min(AA, SA) || Max(AA, SA) ||
+ *             Min(ANonce, SNonce) || Max(ANonce, SNonce))
+ *
+ * STK = PRF-X(SMK, "Peer key expansion",
+ *             Min(MAC_I, MAC_P) || Max(MAC_I, MAC_P) ||
+ *             Min(INonce, PNonce) || Max(INonce, PNonce))
+ */
+void wpa_pmk_to_ptk(const u8 *pmk, size_t pmk_len, const char *label,
+		    const u8 *addr1, const u8 *addr2,
+		    const u8 *nonce1, const u8 *nonce2,
+		    u8 *ptk, size_t ptk_len, int use_sha256)
+{
+	u8 data[2 * ETH_ALEN + 2 * WPA_NONCE_LEN];
+
+	if (os_memcmp(addr1, addr2, ETH_ALEN) < 0) {
+		os_memcpy(data, addr1, ETH_ALEN);
+		os_memcpy(data + ETH_ALEN, addr2, ETH_ALEN);
+	} else {
+		os_memcpy(data, addr2, ETH_ALEN);
+		os_memcpy(data + ETH_ALEN, addr1, ETH_ALEN);
+	}
+
+	if (os_memcmp(nonce1, nonce2, WPA_NONCE_LEN) < 0) {
+		os_memcpy(data + 2 * ETH_ALEN, nonce1, WPA_NONCE_LEN);
+		os_memcpy(data + 2 * ETH_ALEN + WPA_NONCE_LEN, nonce2,
+			  WPA_NONCE_LEN);
+	} else {
+		os_memcpy(data + 2 * ETH_ALEN, nonce2, WPA_NONCE_LEN);
+		os_memcpy(data + 2 * ETH_ALEN + WPA_NONCE_LEN, nonce1,
+			  WPA_NONCE_LEN);
+	}
+
+#ifdef CONFIG_IEEE80211W
+	if (use_sha256)
+		sha256_prf(pmk, pmk_len, label, data, sizeof(data),
+			   ptk, ptk_len);
+	else
+#endif /* CONFIG_IEEE80211W */
+		sha1_prf(pmk, pmk_len, label, data, sizeof(data), ptk,
+			 ptk_len);
+
+	wpa_printf(MSG_DEBUG, "WPA: PTK derivation - A1=" MACSTR " A2=" MACSTR,
+		   MAC2STR(addr1), MAC2STR(addr2));
+	wpa_hexdump(MSG_DEBUG, "WPA: Nonce1", nonce1, WPA_NONCE_LEN);
+	wpa_hexdump(MSG_DEBUG, "WPA: Nonce2", nonce2, WPA_NONCE_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "WPA: PMK", pmk, pmk_len);
+	wpa_hexdump_key(MSG_DEBUG, "WPA: PTK", ptk, ptk_len);
+}
+
+
+#ifdef CONFIG_IEEE80211R
+int wpa_ft_mic(const u8 *kck, const u8 *sta_addr, const u8 *ap_addr,
+	       u8 transaction_seqnum, const u8 *mdie, size_t mdie_len,
+	       const u8 *ftie, size_t ftie_len,
+	       const u8 *rsnie, size_t rsnie_len,
+	       const u8 *ric, size_t ric_len, u8 *mic)
+{
+	u8 *buf, *pos;
+	size_t buf_len;
+
+	buf_len = 2 * ETH_ALEN + 1 + mdie_len + ftie_len + rsnie_len + ric_len;
+	buf = os_malloc(buf_len);
+	if (buf == NULL)
+		return -1;
+
+	pos = buf;
+	os_memcpy(pos, sta_addr, ETH_ALEN);
+	pos += ETH_ALEN;
+	os_memcpy(pos, ap_addr, ETH_ALEN);
+	pos += ETH_ALEN;
+	*pos++ = transaction_seqnum;
+	if (rsnie) {
+		os_memcpy(pos, rsnie, rsnie_len);
+		pos += rsnie_len;
+	}
+	if (mdie) {
+		os_memcpy(pos, mdie, mdie_len);
+		pos += mdie_len;
+	}
+	if (ftie) {
+		struct rsn_ftie *_ftie;
+		os_memcpy(pos, ftie, ftie_len);
+		if (ftie_len < 2 + sizeof(*_ftie)) {
+			os_free(buf);
+			return -1;
+		}
+		_ftie = (struct rsn_ftie *) (pos + 2);
+		os_memset(_ftie->mic, 0, sizeof(_ftie->mic));
+		pos += ftie_len;
+	}
+	if (ric) {
+		os_memcpy(pos, ric, ric_len);
+		pos += ric_len;
+	}
+
+	wpa_hexdump(MSG_MSGDUMP, "FT: MIC data", buf, pos - buf);
+	if (omac1_aes_128(kck, buf, pos - buf, mic)) {
+		os_free(buf);
+		return -1;
+	}
+
+	os_free(buf);
+
+	return 0;
+}
+#endif /* CONFIG_IEEE80211R */
+
+
+#ifndef CONFIG_NO_WPA2
+static int rsn_selector_to_bitfield(const u8 *s)
+{
+	if (RSN_SELECTOR_GET(s) == RSN_CIPHER_SUITE_NONE)
+		return WPA_CIPHER_NONE;
+	if (RSN_SELECTOR_GET(s) == RSN_CIPHER_SUITE_WEP40)
+		return WPA_CIPHER_WEP40;
+	if (RSN_SELECTOR_GET(s) == RSN_CIPHER_SUITE_TKIP)
+		return WPA_CIPHER_TKIP;
+	if (RSN_SELECTOR_GET(s) == RSN_CIPHER_SUITE_CCMP)
+		return WPA_CIPHER_CCMP;
+	if (RSN_SELECTOR_GET(s) == RSN_CIPHER_SUITE_WEP104)
+		return WPA_CIPHER_WEP104;
+#ifdef CONFIG_IEEE80211W
+	if (RSN_SELECTOR_GET(s) == RSN_CIPHER_SUITE_AES_128_CMAC)
+		return WPA_CIPHER_AES_128_CMAC;
+#endif /* CONFIG_IEEE80211W */
+	return 0;
+}
+
+
+static int rsn_key_mgmt_to_bitfield(const u8 *s)
+{
+	if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_UNSPEC_802_1X)
+		return WPA_KEY_MGMT_IEEE8021X;
+	if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X)
+		return WPA_KEY_MGMT_PSK;
+#ifdef CONFIG_IEEE80211R
+	if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_FT_802_1X)
+		return WPA_KEY_MGMT_FT_IEEE8021X;
+	if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_FT_PSK)
+		return WPA_KEY_MGMT_FT_PSK;
+#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_IEEE80211W
+	if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_802_1X_SHA256)
+		return WPA_KEY_MGMT_IEEE8021X_SHA256;
+	if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_PSK_SHA256)
+		return WPA_KEY_MGMT_PSK_SHA256;
+#endif /* CONFIG_IEEE80211W */
+	return 0;
+}
+#endif /* CONFIG_NO_WPA2 */
+
+
+/**
+ * wpa_parse_wpa_ie_rsn - Parse RSN IE
+ * @rsn_ie: Buffer containing RSN IE
+ * @rsn_ie_len: RSN IE buffer length (including IE number and length octets)
+ * @data: Pointer to structure that will be filled in with parsed data
+ * Returns: 0 on success, <0 on failure
+ */
+int wpa_parse_wpa_ie_rsn(const u8 *rsn_ie, size_t rsn_ie_len,
+			 struct wpa_ie_data *data)
+{
+#ifndef CONFIG_NO_WPA2
+	const struct rsn_ie_hdr *hdr;
+	const u8 *pos;
+	int left;
+	int i, count;
+
+	os_memset(data, 0, sizeof(*data));
+	data->proto = WPA_PROTO_RSN;
+	data->pairwise_cipher = WPA_CIPHER_CCMP;
+	data->group_cipher = WPA_CIPHER_CCMP;
+	data->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
+	data->capabilities = 0;
+	data->pmkid = NULL;
+	data->num_pmkid = 0;
+#ifdef CONFIG_IEEE80211W
+	data->mgmt_group_cipher = WPA_CIPHER_AES_128_CMAC;
+#else /* CONFIG_IEEE80211W */
+	data->mgmt_group_cipher = 0;
+#endif /* CONFIG_IEEE80211W */
+
+	if (rsn_ie_len == 0) {
+		/* No RSN IE - fail silently */
+		return -1;
+	}
+
+	if (rsn_ie_len < sizeof(struct rsn_ie_hdr)) {
+		wpa_printf(MSG_DEBUG, "%s: ie len too short %lu",
+			   __func__, (unsigned long) rsn_ie_len);
+		return -1;
+	}
+
+	hdr = (const struct rsn_ie_hdr *) rsn_ie;
+
+	if (hdr->elem_id != WLAN_EID_RSN ||
+	    hdr->len != rsn_ie_len - 2 ||
+	    WPA_GET_LE16(hdr->version) != RSN_VERSION) {
+		wpa_printf(MSG_DEBUG, "%s: malformed ie or unknown version",
+			   __func__);
+		return -2;
+	}
+
+	pos = (const u8 *) (hdr + 1);
+	left = rsn_ie_len - sizeof(*hdr);
+
+	if (left >= RSN_SELECTOR_LEN) {
+		data->group_cipher = rsn_selector_to_bitfield(pos);
+#ifdef CONFIG_IEEE80211W
+		if (data->group_cipher == WPA_CIPHER_AES_128_CMAC) {
+			wpa_printf(MSG_DEBUG, "%s: AES-128-CMAC used as group "
+				   "cipher", __func__);
+			return -1;
+		}
+#endif /* CONFIG_IEEE80211W */
+		pos += RSN_SELECTOR_LEN;
+		left -= RSN_SELECTOR_LEN;
+	} else if (left > 0) {
+		wpa_printf(MSG_DEBUG, "%s: ie length mismatch, %u too much",
+			   __func__, left);
+		return -3;
+	}
+
+	if (left >= 2) {
+		data->pairwise_cipher = 0;
+		count = WPA_GET_LE16(pos);
+		pos += 2;
+		left -= 2;
+		if (count == 0 || left < count * RSN_SELECTOR_LEN) {
+			wpa_printf(MSG_DEBUG, "%s: ie count botch (pairwise), "
+				   "count %u left %u", __func__, count, left);
+			return -4;
+		}
+		for (i = 0; i < count; i++) {
+			data->pairwise_cipher |= rsn_selector_to_bitfield(pos);
+			pos += RSN_SELECTOR_LEN;
+			left -= RSN_SELECTOR_LEN;
+		}
+#ifdef CONFIG_IEEE80211W
+		if (data->pairwise_cipher & WPA_CIPHER_AES_128_CMAC) {
+			wpa_printf(MSG_DEBUG, "%s: AES-128-CMAC used as "
+				   "pairwise cipher", __func__);
+			return -1;
+		}
+#endif /* CONFIG_IEEE80211W */
+	} else if (left == 1) {
+		wpa_printf(MSG_DEBUG, "%s: ie too short (for key mgmt)",
+			   __func__);
+		return -5;
+	}
+
+	if (left >= 2) {
+		data->key_mgmt = 0;
+		count = WPA_GET_LE16(pos);
+		pos += 2;
+		left -= 2;
+		if (count == 0 || left < count * RSN_SELECTOR_LEN) {
+			wpa_printf(MSG_DEBUG, "%s: ie count botch (key mgmt), "
+				   "count %u left %u", __func__, count, left);
+			return -6;
+		}
+		for (i = 0; i < count; i++) {
+			data->key_mgmt |= rsn_key_mgmt_to_bitfield(pos);
+			pos += RSN_SELECTOR_LEN;
+			left -= RSN_SELECTOR_LEN;
+		}
+	} else if (left == 1) {
+		wpa_printf(MSG_DEBUG, "%s: ie too short (for capabilities)",
+			   __func__);
+		return -7;
+	}
+
+	if (left >= 2) {
+		data->capabilities = WPA_GET_LE16(pos);
+		pos += 2;
+		left -= 2;
+	}
+
+	if (left >= 2) {
+		data->num_pmkid = WPA_GET_LE16(pos);
+		pos += 2;
+		left -= 2;
+		if (left < (int) data->num_pmkid * PMKID_LEN) {
+			wpa_printf(MSG_DEBUG, "%s: PMKID underflow "
+				   "(num_pmkid=%lu left=%d)",
+				   __func__, (unsigned long) data->num_pmkid,
+				   left);
+			data->num_pmkid = 0;
+			return -9;
+		} else {
+			data->pmkid = pos;
+			pos += data->num_pmkid * PMKID_LEN;
+			left -= data->num_pmkid * PMKID_LEN;
+		}
+	}
+
+#ifdef CONFIG_IEEE80211W
+	if (left >= 4) {
+		data->mgmt_group_cipher = rsn_selector_to_bitfield(pos);
+		if (data->mgmt_group_cipher != WPA_CIPHER_AES_128_CMAC) {
+			wpa_printf(MSG_DEBUG, "%s: Unsupported management "
+				   "group cipher 0x%x", __func__,
+				   data->mgmt_group_cipher);
+			return -10;
+		}
+		pos += RSN_SELECTOR_LEN;
+		left -= RSN_SELECTOR_LEN;
+	}
+#endif /* CONFIG_IEEE80211W */
+
+	if (left > 0) {
+		wpa_printf(MSG_DEBUG, "%s: ie has %u trailing bytes - ignored",
+			   __func__, left);
+	}
+
+	return 0;
+#else /* CONFIG_NO_WPA2 */
+	return -1;
+#endif /* CONFIG_NO_WPA2 */
+}
+
+
+static int wpa_selector_to_bitfield(const u8 *s)
+{
+	if (RSN_SELECTOR_GET(s) == WPA_CIPHER_SUITE_NONE)
+		return WPA_CIPHER_NONE;
+	if (RSN_SELECTOR_GET(s) == WPA_CIPHER_SUITE_WEP40)
+		return WPA_CIPHER_WEP40;
+	if (RSN_SELECTOR_GET(s) == WPA_CIPHER_SUITE_TKIP)
+		return WPA_CIPHER_TKIP;
+	if (RSN_SELECTOR_GET(s) == WPA_CIPHER_SUITE_CCMP)
+		return WPA_CIPHER_CCMP;
+	if (RSN_SELECTOR_GET(s) == WPA_CIPHER_SUITE_WEP104)
+		return WPA_CIPHER_WEP104;
+	return 0;
+}
+
+
+static int wpa_key_mgmt_to_bitfield(const u8 *s)
+{
+	if (RSN_SELECTOR_GET(s) == WPA_AUTH_KEY_MGMT_UNSPEC_802_1X)
+		return WPA_KEY_MGMT_IEEE8021X;
+	if (RSN_SELECTOR_GET(s) == WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X)
+		return WPA_KEY_MGMT_PSK;
+	if (RSN_SELECTOR_GET(s) == WPA_AUTH_KEY_MGMT_NONE)
+		return WPA_KEY_MGMT_WPA_NONE;
+	return 0;
+}
+
+
+int wpa_parse_wpa_ie_wpa(const u8 *wpa_ie, size_t wpa_ie_len,
+			 struct wpa_ie_data *data)
+{
+	const struct wpa_ie_hdr *hdr;
+	const u8 *pos;
+	int left;
+	int i, count;
+
+	os_memset(data, 0, sizeof(*data));
+	data->proto = WPA_PROTO_WPA;
+	data->pairwise_cipher = WPA_CIPHER_TKIP;
+	data->group_cipher = WPA_CIPHER_TKIP;
+	data->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
+	data->capabilities = 0;
+	data->pmkid = NULL;
+	data->num_pmkid = 0;
+	data->mgmt_group_cipher = 0;
+
+	if (wpa_ie_len == 0) {
+		/* No WPA IE - fail silently */
+		return -1;
+	}
+
+	if (wpa_ie_len < sizeof(struct wpa_ie_hdr)) {
+		wpa_printf(MSG_DEBUG, "%s: ie len too short %lu",
+			   __func__, (unsigned long) wpa_ie_len);
+		return -1;
+	}
+
+	hdr = (const struct wpa_ie_hdr *) wpa_ie;
+
+	if (hdr->elem_id != WLAN_EID_VENDOR_SPECIFIC ||
+	    hdr->len != wpa_ie_len - 2 ||
+	    RSN_SELECTOR_GET(hdr->oui) != WPA_OUI_TYPE ||
+	    WPA_GET_LE16(hdr->version) != WPA_VERSION) {
+		wpa_printf(MSG_DEBUG, "%s: malformed ie or unknown version",
+			   __func__);
+		return -2;
+	}
+
+	pos = (const u8 *) (hdr + 1);
+	left = wpa_ie_len - sizeof(*hdr);
+
+	if (left >= WPA_SELECTOR_LEN) {
+		data->group_cipher = wpa_selector_to_bitfield(pos);
+		pos += WPA_SELECTOR_LEN;
+		left -= WPA_SELECTOR_LEN;
+	} else if (left > 0) {
+		wpa_printf(MSG_DEBUG, "%s: ie length mismatch, %u too much",
+			   __func__, left);
+		return -3;
+	}
+
+	if (left >= 2) {
+		data->pairwise_cipher = 0;
+		count = WPA_GET_LE16(pos);
+		pos += 2;
+		left -= 2;
+		if (count == 0 || left < count * WPA_SELECTOR_LEN) {
+			wpa_printf(MSG_DEBUG, "%s: ie count botch (pairwise), "
+				   "count %u left %u", __func__, count, left);
+			return -4;
+		}
+		for (i = 0; i < count; i++) {
+			data->pairwise_cipher |= wpa_selector_to_bitfield(pos);
+			pos += WPA_SELECTOR_LEN;
+			left -= WPA_SELECTOR_LEN;
+		}
+	} else if (left == 1) {
+		wpa_printf(MSG_DEBUG, "%s: ie too short (for key mgmt)",
+			   __func__);
+		return -5;
+	}
+
+	if (left >= 2) {
+		data->key_mgmt = 0;
+		count = WPA_GET_LE16(pos);
+		pos += 2;
+		left -= 2;
+		if (count == 0 || left < count * WPA_SELECTOR_LEN) {
+			wpa_printf(MSG_DEBUG, "%s: ie count botch (key mgmt), "
+				   "count %u left %u", __func__, count, left);
+			return -6;
+		}
+		for (i = 0; i < count; i++) {
+			data->key_mgmt |= wpa_key_mgmt_to_bitfield(pos);
+			pos += WPA_SELECTOR_LEN;
+			left -= WPA_SELECTOR_LEN;
+		}
+	} else if (left == 1) {
+		wpa_printf(MSG_DEBUG, "%s: ie too short (for capabilities)",
+			   __func__);
+		return -7;
+	}
+
+	if (left >= 2) {
+		data->capabilities = WPA_GET_LE16(pos);
+		pos += 2;
+		left -= 2;
+	}
+
+	if (left > 0) {
+		wpa_printf(MSG_DEBUG, "%s: ie has %u trailing bytes - ignored",
+			   __func__, left);
+	}
+
+	return 0;
+}
+
+
+#ifdef CONFIG_IEEE80211R
+
+/**
+ * wpa_derive_pmk_r0 - Derive PMK-R0 and PMKR0Name
+ *
+ * IEEE Std 802.11r-2008 - 8.5.1.5.3
+ */
+void wpa_derive_pmk_r0(const u8 *xxkey, size_t xxkey_len,
+		       const u8 *ssid, size_t ssid_len,
+		       const u8 *mdid, const u8 *r0kh_id, size_t r0kh_id_len,
+		       const u8 *s0kh_id, u8 *pmk_r0, u8 *pmk_r0_name)
+{
+	u8 buf[1 + WPA_MAX_SSID_LEN + MOBILITY_DOMAIN_ID_LEN + 1 +
+	       FT_R0KH_ID_MAX_LEN + ETH_ALEN];
+	u8 *pos, r0_key_data[48], hash[32];
+	const u8 *addr[2];
+	size_t len[2];
+
+	/*
+	 * R0-Key-Data = KDF-384(XXKey, "FT-R0",
+	 *                       SSIDlength || SSID || MDID || R0KHlength ||
+	 *                       R0KH-ID || S0KH-ID)
+	 * XXKey is either the second 256 bits of MSK or PSK.
+	 * PMK-R0 = L(R0-Key-Data, 0, 256)
+	 * PMK-R0Name-Salt = L(R0-Key-Data, 256, 128)
+	 */
+	if (ssid_len > WPA_MAX_SSID_LEN || r0kh_id_len > FT_R0KH_ID_MAX_LEN)
+		return;
+	pos = buf;
+	*pos++ = ssid_len;
+	os_memcpy(pos, ssid, ssid_len);
+	pos += ssid_len;
+	os_memcpy(pos, mdid, MOBILITY_DOMAIN_ID_LEN);
+	pos += MOBILITY_DOMAIN_ID_LEN;
+	*pos++ = r0kh_id_len;
+	os_memcpy(pos, r0kh_id, r0kh_id_len);
+	pos += r0kh_id_len;
+	os_memcpy(pos, s0kh_id, ETH_ALEN);
+	pos += ETH_ALEN;
+
+	sha256_prf(xxkey, xxkey_len, "FT-R0", buf, pos - buf,
+		   r0_key_data, sizeof(r0_key_data));
+	os_memcpy(pmk_r0, r0_key_data, PMK_LEN);
+
+	/*
+	 * PMKR0Name = Truncate-128(SHA-256("FT-R0N" || PMK-R0Name-Salt)
+	 */
+	addr[0] = (const u8 *) "FT-R0N";
+	len[0] = 6;
+	addr[1] = r0_key_data + PMK_LEN;
+	len[1] = 16;
+
+	sha256_vector(2, addr, len, hash);
+	os_memcpy(pmk_r0_name, hash, WPA_PMK_NAME_LEN);
+}
+
+
+/**
+ * wpa_derive_pmk_r1_name - Derive PMKR1Name
+ *
+ * IEEE Std 802.11r-2008 - 8.5.1.5.4
+ */
+void wpa_derive_pmk_r1_name(const u8 *pmk_r0_name, const u8 *r1kh_id,
+			    const u8 *s1kh_id, u8 *pmk_r1_name)
+{
+	u8 hash[32];
+	const u8 *addr[4];
+	size_t len[4];
+
+	/*
+	 * PMKR1Name = Truncate-128(SHA-256("FT-R1N" || PMKR0Name ||
+	 *                                  R1KH-ID || S1KH-ID))
+	 */
+	addr[0] = (const u8 *) "FT-R1N";
+	len[0] = 6;
+	addr[1] = pmk_r0_name;
+	len[1] = WPA_PMK_NAME_LEN;
+	addr[2] = r1kh_id;
+	len[2] = FT_R1KH_ID_LEN;
+	addr[3] = s1kh_id;
+	len[3] = ETH_ALEN;
+
+	sha256_vector(4, addr, len, hash);
+	os_memcpy(pmk_r1_name, hash, WPA_PMK_NAME_LEN);
+}
+
+
+/**
+ * wpa_derive_pmk_r1 - Derive PMK-R1 and PMKR1Name from PMK-R0
+ *
+ * IEEE Std 802.11r-2008 - 8.5.1.5.4
+ */
+void wpa_derive_pmk_r1(const u8 *pmk_r0, const u8 *pmk_r0_name,
+		       const u8 *r1kh_id, const u8 *s1kh_id,
+		       u8 *pmk_r1, u8 *pmk_r1_name)
+{
+	u8 buf[FT_R1KH_ID_LEN + ETH_ALEN];
+	u8 *pos;
+
+	/* PMK-R1 = KDF-256(PMK-R0, "FT-R1", R1KH-ID || S1KH-ID) */
+	pos = buf;
+	os_memcpy(pos, r1kh_id, FT_R1KH_ID_LEN);
+	pos += FT_R1KH_ID_LEN;
+	os_memcpy(pos, s1kh_id, ETH_ALEN);
+	pos += ETH_ALEN;
+
+	sha256_prf(pmk_r0, PMK_LEN, "FT-R1", buf, pos - buf, pmk_r1, PMK_LEN);
+
+	wpa_derive_pmk_r1_name(pmk_r0_name, r1kh_id, s1kh_id, pmk_r1_name);
+}
+
+
+/**
+ * wpa_pmk_r1_to_ptk - Derive PTK and PTKName from PMK-R1
+ *
+ * IEEE Std 802.11r-2008 - 8.5.1.5.5
+ */
+void wpa_pmk_r1_to_ptk(const u8 *pmk_r1, const u8 *snonce, const u8 *anonce,
+		       const u8 *sta_addr, const u8 *bssid,
+		       const u8 *pmk_r1_name,
+		       u8 *ptk, size_t ptk_len, u8 *ptk_name)
+{
+	u8 buf[2 * WPA_NONCE_LEN + 2 * ETH_ALEN];
+	u8 *pos, hash[32];
+	const u8 *addr[6];
+	size_t len[6];
+
+	/*
+	 * PTK = KDF-PTKLen(PMK-R1, "FT-PTK", SNonce || ANonce ||
+	 *                  BSSID || STA-ADDR)
+	 */
+	pos = buf;
+	os_memcpy(pos, snonce, WPA_NONCE_LEN);
+	pos += WPA_NONCE_LEN;
+	os_memcpy(pos, anonce, WPA_NONCE_LEN);
+	pos += WPA_NONCE_LEN;
+	os_memcpy(pos, bssid, ETH_ALEN);
+	pos += ETH_ALEN;
+	os_memcpy(pos, sta_addr, ETH_ALEN);
+	pos += ETH_ALEN;
+
+	sha256_prf(pmk_r1, PMK_LEN, "FT-PTK", buf, pos - buf, ptk, ptk_len);
+
+	/*
+	 * PTKName = Truncate-128(SHA-256(PMKR1Name || "FT-PTKN" || SNonce ||
+	 *                                ANonce || BSSID || STA-ADDR))
+	 */
+	addr[0] = pmk_r1_name;
+	len[0] = WPA_PMK_NAME_LEN;
+	addr[1] = (const u8 *) "FT-PTKN";
+	len[1] = 7;
+	addr[2] = snonce;
+	len[2] = WPA_NONCE_LEN;
+	addr[3] = anonce;
+	len[3] = WPA_NONCE_LEN;
+	addr[4] = bssid;
+	len[4] = ETH_ALEN;
+	addr[5] = sta_addr;
+	len[5] = ETH_ALEN;
+
+	sha256_vector(6, addr, len, hash);
+	os_memcpy(ptk_name, hash, WPA_PMK_NAME_LEN);
+}
+
+#endif /* CONFIG_IEEE80211R */
+
+
+/**
+ * rsn_pmkid - Calculate PMK identifier
+ * @pmk: Pairwise master key
+ * @pmk_len: Length of pmk in bytes
+ * @aa: Authenticator address
+ * @spa: Supplicant address
+ * @pmkid: Buffer for PMKID
+ * @use_sha256: Whether to use SHA256-based KDF
+ *
+ * IEEE Std 802.11i-2004 - 8.5.1.2 Pairwise key hierarchy
+ * PMKID = HMAC-SHA1-128(PMK, "PMK Name" || AA || SPA)
+ */
+void rsn_pmkid(const u8 *pmk, size_t pmk_len, const u8 *aa, const u8 *spa,
+	       u8 *pmkid, int use_sha256)
+{
+	char *title = "PMK Name";
+	const u8 *addr[3];
+	const size_t len[3] = { 8, ETH_ALEN, ETH_ALEN };
+	unsigned char hash[SHA256_MAC_LEN];
+
+	addr[0] = (u8 *) title;
+	addr[1] = aa;
+	addr[2] = spa;
+
+#ifdef CONFIG_IEEE80211W
+	if (use_sha256)
+		hmac_sha256_vector(pmk, pmk_len, 3, addr, len, hash);
+	else
+#endif /* CONFIG_IEEE80211W */
+		hmac_sha1_vector(pmk, pmk_len, 3, addr, len, hash);
+	os_memcpy(pmkid, hash, PMKID_LEN);
+}
+
+
+/**
+ * wpa_cipher_txt - Convert cipher suite to a text string
+ * @cipher: Cipher suite (WPA_CIPHER_* enum)
+ * Returns: Pointer to a text string of the cipher suite name
+ */
+const char * wpa_cipher_txt(int cipher)
+{
+	switch (cipher) {
+	case WPA_CIPHER_NONE:
+		return "NONE";
+	case WPA_CIPHER_WEP40:
+		return "WEP-40";
+	case WPA_CIPHER_WEP104:
+		return "WEP-104";
+	case WPA_CIPHER_TKIP:
+		return "TKIP";
+	case WPA_CIPHER_CCMP:
+		return "CCMP";
+	case WPA_CIPHER_CCMP | WPA_CIPHER_TKIP:
+		return "CCMP+TKIP";
+	default:
+		return "UNKNOWN";
+	}
+}
+
+
+/**
+ * wpa_key_mgmt_txt - Convert key management suite to a text string
+ * @key_mgmt: Key management suite (WPA_KEY_MGMT_* enum)
+ * @proto: WPA/WPA2 version (WPA_PROTO_*)
+ * Returns: Pointer to a text string of the key management suite name
+ */
+const char * wpa_key_mgmt_txt(int key_mgmt, int proto)
+{
+	switch (key_mgmt) {
+	case WPA_KEY_MGMT_IEEE8021X:
+		if (proto == (WPA_PROTO_RSN | WPA_PROTO_WPA))
+			return "WPA2+WPA/IEEE 802.1X/EAP";
+		return proto == WPA_PROTO_RSN ?
+			"WPA2/IEEE 802.1X/EAP" : "WPA/IEEE 802.1X/EAP";
+	case WPA_KEY_MGMT_PSK:
+		if (proto == (WPA_PROTO_RSN | WPA_PROTO_WPA))
+			return "WPA2-PSK+WPA-PSK";
+		return proto == WPA_PROTO_RSN ?
+			"WPA2-PSK" : "WPA-PSK";
+	case WPA_KEY_MGMT_NONE:
+		return "NONE";
+	case WPA_KEY_MGMT_IEEE8021X_NO_WPA:
+		return "IEEE 802.1X (no WPA)";
+#ifdef CONFIG_IEEE80211R
+	case WPA_KEY_MGMT_FT_IEEE8021X:
+		return "FT-EAP";
+	case WPA_KEY_MGMT_FT_PSK:
+		return "FT-PSK";
+#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_IEEE80211W
+	case WPA_KEY_MGMT_IEEE8021X_SHA256:
+		return "WPA2-EAP-SHA256";
+	case WPA_KEY_MGMT_PSK_SHA256:
+		return "WPA2-PSK-SHA256";
+#endif /* CONFIG_IEEE80211W */
+	default:
+		return "UNKNOWN";
+	}
+}
+
+
+int wpa_compare_rsn_ie(int ft_initial_assoc,
+		       const u8 *ie1, size_t ie1len,
+		       const u8 *ie2, size_t ie2len)
+{
+	if (ie1 == NULL || ie2 == NULL)
+		return -1;
+
+	if (ie1len == ie2len && os_memcmp(ie1, ie2, ie1len) == 0)
+		return 0; /* identical IEs */
+
+#ifdef CONFIG_IEEE80211R
+	if (ft_initial_assoc) {
+		struct wpa_ie_data ie1d, ie2d;
+		/*
+		 * The PMKID-List in RSN IE is different between Beacon/Probe
+		 * Response/(Re)Association Request frames and EAPOL-Key
+		 * messages in FT initial mobility domain association. Allow
+		 * for this, but verify that other parts of the RSN IEs are
+		 * identical.
+		 */
+		if (wpa_parse_wpa_ie_rsn(ie1, ie1len, &ie1d) < 0 ||
+		    wpa_parse_wpa_ie_rsn(ie2, ie2len, &ie2d) < 0)
+			return -1;
+		if (ie1d.proto == ie2d.proto &&
+		    ie1d.pairwise_cipher == ie2d.pairwise_cipher &&
+		    ie1d.group_cipher == ie2d.group_cipher &&
+		    ie1d.key_mgmt == ie2d.key_mgmt &&
+		    ie1d.capabilities == ie2d.capabilities &&
+		    ie1d.mgmt_group_cipher == ie2d.mgmt_group_cipher)
+			return 0;
+	}
+#endif /* CONFIG_IEEE80211R */
+
+	return -1;
+}
+
+
+#ifdef CONFIG_IEEE80211R
+int wpa_insert_pmkid(u8 *ies, size_t ies_len, const u8 *pmkid)
+{
+	u8 *start, *end, *rpos, *rend;
+	int added = 0;
+
+	start = ies;
+	end = ies + ies_len;
+
+	while (start < end) {
+		if (*start == WLAN_EID_RSN)
+			break;
+		start += 2 + start[1];
+	}
+	if (start >= end) {
+		wpa_printf(MSG_ERROR, "FT: Could not find RSN IE in "
+			   "IEs data");
+		return -1;
+	}
+	wpa_hexdump(MSG_DEBUG, "FT: RSN IE before modification",
+		    start, 2 + start[1]);
+
+	/* Find start of PMKID-Count */
+	rpos = start + 2;
+	rend = rpos + start[1];
+
+	/* Skip Version and Group Data Cipher Suite */
+	rpos += 2 + 4;
+	/* Skip Pairwise Cipher Suite Count and List */
+	rpos += 2 + WPA_GET_LE16(rpos) * RSN_SELECTOR_LEN;
+	/* Skip AKM Suite Count and List */
+	rpos += 2 + WPA_GET_LE16(rpos) * RSN_SELECTOR_LEN;
+
+	if (rpos == rend) {
+		/* Add RSN Capabilities */
+		os_memmove(rpos + 2, rpos, end - rpos);
+		*rpos++ = 0;
+		*rpos++ = 0;
+	} else {
+		/* Skip RSN Capabilities */
+		rpos += 2;
+		if (rpos > rend) {
+			wpa_printf(MSG_ERROR, "FT: Could not parse RSN IE in "
+				   "IEs data");
+			return -1;
+		}
+	}
+
+	if (rpos == rend) {
+		/* No PMKID-Count field included; add it */
+		os_memmove(rpos + 2 + PMKID_LEN, rpos, end - rpos);
+		WPA_PUT_LE16(rpos, 1);
+		rpos += 2;
+		os_memcpy(rpos, pmkid, PMKID_LEN);
+		added += 2 + PMKID_LEN;
+		start[1] += 2 + PMKID_LEN;
+	} else {
+		/* PMKID-Count was included; use it */
+		if (WPA_GET_LE16(rpos) != 0) {
+			wpa_printf(MSG_ERROR, "FT: Unexpected PMKID "
+				   "in RSN IE in EAPOL-Key data");
+			return -1;
+		}
+		WPA_PUT_LE16(rpos, 1);
+		rpos += 2;
+		os_memmove(rpos + PMKID_LEN, rpos, end - rpos);
+		os_memcpy(rpos, pmkid, PMKID_LEN);
+		added += PMKID_LEN;
+		start[1] += PMKID_LEN;
+	}
+
+	wpa_hexdump(MSG_DEBUG, "FT: RSN IE after modification "
+		    "(PMKID inserted)", start, 2 + start[1]);
+
+	return added;
+}
+#endif /* CONFIG_IEEE80211R */
diff --git a/src/common/wpa_common.h b/src/common/wpa_common.h
new file mode 100644
index 0000000..fe79cee
--- /dev/null
+++ b/src/common/wpa_common.h
@@ -0,0 +1,361 @@
+/*
+ * WPA definitions shared between hostapd and wpa_supplicant
+ * Copyright (c) 2002-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef WPA_COMMON_H
+#define WPA_COMMON_H
+
+#define WPA_MAX_SSID_LEN 32
+
+/* IEEE 802.11i */
+#define PMKID_LEN 16
+#define PMK_LEN 32
+#define WPA_REPLAY_COUNTER_LEN 8
+#define WPA_NONCE_LEN 32
+#define WPA_KEY_RSC_LEN 8
+#define WPA_GMK_LEN 32
+#define WPA_GTK_MAX_LEN 32
+
+#define WPA_SELECTOR_LEN 4
+#define WPA_VERSION 1
+#define RSN_SELECTOR_LEN 4
+#define RSN_VERSION 1
+
+#define RSN_SELECTOR(a, b, c, d) \
+	((((u32) (a)) << 24) | (((u32) (b)) << 16) | (((u32) (c)) << 8) | \
+	 (u32) (d))
+
+#define WPA_AUTH_KEY_MGMT_NONE RSN_SELECTOR(0x00, 0x50, 0xf2, 0)
+#define WPA_AUTH_KEY_MGMT_UNSPEC_802_1X RSN_SELECTOR(0x00, 0x50, 0xf2, 1)
+#define WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X RSN_SELECTOR(0x00, 0x50, 0xf2, 2)
+#define WPA_CIPHER_SUITE_NONE RSN_SELECTOR(0x00, 0x50, 0xf2, 0)
+#define WPA_CIPHER_SUITE_WEP40 RSN_SELECTOR(0x00, 0x50, 0xf2, 1)
+#define WPA_CIPHER_SUITE_TKIP RSN_SELECTOR(0x00, 0x50, 0xf2, 2)
+#if 0
+#define WPA_CIPHER_SUITE_WRAP RSN_SELECTOR(0x00, 0x50, 0xf2, 3)
+#endif
+#define WPA_CIPHER_SUITE_CCMP RSN_SELECTOR(0x00, 0x50, 0xf2, 4)
+#define WPA_CIPHER_SUITE_WEP104 RSN_SELECTOR(0x00, 0x50, 0xf2, 5)
+
+
+#define RSN_AUTH_KEY_MGMT_UNSPEC_802_1X RSN_SELECTOR(0x00, 0x0f, 0xac, 1)
+#define RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X RSN_SELECTOR(0x00, 0x0f, 0xac, 2)
+#ifdef CONFIG_IEEE80211R
+#define RSN_AUTH_KEY_MGMT_FT_802_1X RSN_SELECTOR(0x00, 0x0f, 0xac, 3)
+#define RSN_AUTH_KEY_MGMT_FT_PSK RSN_SELECTOR(0x00, 0x0f, 0xac, 4)
+#endif /* CONFIG_IEEE80211R */
+#define RSN_AUTH_KEY_MGMT_802_1X_SHA256 RSN_SELECTOR(0x00, 0x0f, 0xac, 5)
+#define RSN_AUTH_KEY_MGMT_PSK_SHA256 RSN_SELECTOR(0x00, 0x0f, 0xac, 6)
+#define RSN_AUTH_KEY_MGMT_TPK_HANDSHAKE RSN_SELECTOR(0x00, 0x0f, 0xac, 7)
+
+#define RSN_CIPHER_SUITE_NONE RSN_SELECTOR(0x00, 0x0f, 0xac, 0)
+#define RSN_CIPHER_SUITE_WEP40 RSN_SELECTOR(0x00, 0x0f, 0xac, 1)
+#define RSN_CIPHER_SUITE_TKIP RSN_SELECTOR(0x00, 0x0f, 0xac, 2)
+#if 0
+#define RSN_CIPHER_SUITE_WRAP RSN_SELECTOR(0x00, 0x0f, 0xac, 3)
+#endif
+#define RSN_CIPHER_SUITE_CCMP RSN_SELECTOR(0x00, 0x0f, 0xac, 4)
+#define RSN_CIPHER_SUITE_WEP104 RSN_SELECTOR(0x00, 0x0f, 0xac, 5)
+#ifdef CONFIG_IEEE80211W
+#define RSN_CIPHER_SUITE_AES_128_CMAC RSN_SELECTOR(0x00, 0x0f, 0xac, 6)
+#endif /* CONFIG_IEEE80211W */
+#define RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED RSN_SELECTOR(0x00, 0x0f, 0xac, 7)
+
+/* EAPOL-Key Key Data Encapsulation
+ * GroupKey and PeerKey require encryption, otherwise, encryption is optional.
+ */
+#define RSN_KEY_DATA_GROUPKEY RSN_SELECTOR(0x00, 0x0f, 0xac, 1)
+#if 0
+#define RSN_KEY_DATA_STAKEY RSN_SELECTOR(0x00, 0x0f, 0xac, 2)
+#endif
+#define RSN_KEY_DATA_MAC_ADDR RSN_SELECTOR(0x00, 0x0f, 0xac, 3)
+#define RSN_KEY_DATA_PMKID RSN_SELECTOR(0x00, 0x0f, 0xac, 4)
+#ifdef CONFIG_PEERKEY
+#define RSN_KEY_DATA_SMK RSN_SELECTOR(0x00, 0x0f, 0xac, 5)
+#define RSN_KEY_DATA_NONCE RSN_SELECTOR(0x00, 0x0f, 0xac, 6)
+#define RSN_KEY_DATA_LIFETIME RSN_SELECTOR(0x00, 0x0f, 0xac, 7)
+#define RSN_KEY_DATA_ERROR RSN_SELECTOR(0x00, 0x0f, 0xac, 8)
+#endif /* CONFIG_PEERKEY */
+#ifdef CONFIG_IEEE80211W
+#define RSN_KEY_DATA_IGTK RSN_SELECTOR(0x00, 0x0f, 0xac, 9)
+#endif /* CONFIG_IEEE80211W */
+
+#define WPA_OUI_TYPE RSN_SELECTOR(0x00, 0x50, 0xf2, 1)
+
+#define RSN_SELECTOR_PUT(a, val) WPA_PUT_BE32((u8 *) (a), (val))
+#define RSN_SELECTOR_GET(a) WPA_GET_BE32((const u8 *) (a))
+
+#define RSN_NUM_REPLAY_COUNTERS_1 0
+#define RSN_NUM_REPLAY_COUNTERS_2 1
+#define RSN_NUM_REPLAY_COUNTERS_4 2
+#define RSN_NUM_REPLAY_COUNTERS_16 3
+
+
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+#ifdef CONFIG_IEEE80211W
+#define WPA_IGTK_LEN 16
+#endif /* CONFIG_IEEE80211W */
+
+
+/* IEEE 802.11, 7.3.2.25.3 RSN Capabilities */
+#define WPA_CAPABILITY_PREAUTH BIT(0)
+#define WPA_CAPABILITY_NO_PAIRWISE BIT(1)
+/* B2-B3: PTKSA Replay Counter */
+/* B4-B5: GTKSA Replay Counter */
+#define WPA_CAPABILITY_MFPR BIT(6)
+#define WPA_CAPABILITY_MFPC BIT(7)
+/* B8: Reserved */
+#define WPA_CAPABILITY_PEERKEY_ENABLED BIT(9)
+#define WPA_CAPABILITY_SPP_A_MSDU_CAPABLE BIT(10)
+#define WPA_CAPABILITY_SPP_A_MSDU_REQUIRED BIT(11)
+#define WPA_CAPABILITY_PBAC BIT(12)
+#define WPA_CAPABILITY_EXT_KEY_ID_FOR_UNICAST BIT(13)
+/* B14-B15: Reserved */
+
+
+/* IEEE 802.11r */
+#define MOBILITY_DOMAIN_ID_LEN 2
+#define FT_R0KH_ID_MAX_LEN 48
+#define FT_R1KH_ID_LEN 6
+#define WPA_PMK_NAME_LEN 16
+
+
+/* IEEE 802.11, 8.5.2 EAPOL-Key frames */
+#define WPA_KEY_INFO_TYPE_MASK ((u16) (BIT(0) | BIT(1) | BIT(2)))
+#define WPA_KEY_INFO_TYPE_HMAC_MD5_RC4 BIT(0)
+#define WPA_KEY_INFO_TYPE_HMAC_SHA1_AES BIT(1)
+#define WPA_KEY_INFO_TYPE_AES_128_CMAC 3
+#define WPA_KEY_INFO_KEY_TYPE BIT(3) /* 1 = Pairwise, 0 = Group key */
+/* bit4..5 is used in WPA, but is reserved in IEEE 802.11i/RSN */
+#define WPA_KEY_INFO_KEY_INDEX_MASK (BIT(4) | BIT(5))
+#define WPA_KEY_INFO_KEY_INDEX_SHIFT 4
+#define WPA_KEY_INFO_INSTALL BIT(6) /* pairwise */
+#define WPA_KEY_INFO_TXRX BIT(6) /* group */
+#define WPA_KEY_INFO_ACK BIT(7)
+#define WPA_KEY_INFO_MIC BIT(8)
+#define WPA_KEY_INFO_SECURE BIT(9)
+#define WPA_KEY_INFO_ERROR BIT(10)
+#define WPA_KEY_INFO_REQUEST BIT(11)
+#define WPA_KEY_INFO_ENCR_KEY_DATA BIT(12) /* IEEE 802.11i/RSN only */
+#define WPA_KEY_INFO_SMK_MESSAGE BIT(13)
+
+
+struct wpa_eapol_key {
+	u8 type;
+	/* Note: key_info, key_length, and key_data_length are unaligned */
+	u8 key_info[2]; /* big endian */
+	u8 key_length[2]; /* big endian */
+	u8 replay_counter[WPA_REPLAY_COUNTER_LEN];
+	u8 key_nonce[WPA_NONCE_LEN];
+	u8 key_iv[16];
+	u8 key_rsc[WPA_KEY_RSC_LEN];
+	u8 key_id[8]; /* Reserved in IEEE 802.11i/RSN */
+	u8 key_mic[16];
+	u8 key_data_length[2]; /* big endian */
+	/* followed by key_data_length bytes of key_data */
+} STRUCT_PACKED;
+
+/**
+ * struct wpa_ptk - WPA Pairwise Transient Key
+ * IEEE Std 802.11i-2004 - 8.5.1.2 Pairwise key hierarchy
+ */
+struct wpa_ptk {
+	u8 kck[16]; /* EAPOL-Key Key Confirmation Key (KCK) */
+	u8 kek[16]; /* EAPOL-Key Key Encryption Key (KEK) */
+	u8 tk1[16]; /* Temporal Key 1 (TK1) */
+	union {
+		u8 tk2[16]; /* Temporal Key 2 (TK2) */
+		struct {
+			u8 tx_mic_key[8];
+			u8 rx_mic_key[8];
+		} auth;
+	} u;
+} STRUCT_PACKED;
+
+
+/* WPA IE version 1
+ * 00-50-f2:1 (OUI:OUI type)
+ * 0x01 0x00 (version; little endian)
+ * (all following fields are optional:)
+ * Group Suite Selector (4 octets) (default: TKIP)
+ * Pairwise Suite Count (2 octets, little endian) (default: 1)
+ * Pairwise Suite List (4 * n octets) (default: TKIP)
+ * Authenticated Key Management Suite Count (2 octets, little endian)
+ *    (default: 1)
+ * Authenticated Key Management Suite List (4 * n octets)
+ *    (default: unspec 802.1X)
+ * WPA Capabilities (2 octets, little endian) (default: 0)
+ */
+
+struct wpa_ie_hdr {
+	u8 elem_id;
+	u8 len;
+	u8 oui[4]; /* 24-bit OUI followed by 8-bit OUI type */
+	u8 version[2]; /* little endian */
+} STRUCT_PACKED;
+
+
+/* 1/4: PMKID
+ * 2/4: RSN IE
+ * 3/4: one or two RSN IEs + GTK IE (encrypted)
+ * 4/4: empty
+ * 1/2: GTK IE (encrypted)
+ * 2/2: empty
+ */
+
+/* RSN IE version 1
+ * 0x01 0x00 (version; little endian)
+ * (all following fields are optional:)
+ * Group Suite Selector (4 octets) (default: CCMP)
+ * Pairwise Suite Count (2 octets, little endian) (default: 1)
+ * Pairwise Suite List (4 * n octets) (default: CCMP)
+ * Authenticated Key Management Suite Count (2 octets, little endian)
+ *    (default: 1)
+ * Authenticated Key Management Suite List (4 * n octets)
+ *    (default: unspec 802.1X)
+ * RSN Capabilities (2 octets, little endian) (default: 0)
+ * PMKID Count (2 octets) (default: 0)
+ * PMKID List (16 * n octets)
+ * Management Group Cipher Suite (4 octets) (default: AES-128-CMAC)
+ */
+
+struct rsn_ie_hdr {
+	u8 elem_id; /* WLAN_EID_RSN */
+	u8 len;
+	u8 version[2]; /* little endian */
+} STRUCT_PACKED;
+
+
+#ifdef CONFIG_PEERKEY
+enum {
+	STK_MUI_4WAY_STA_AP = 1,
+	STK_MUI_4WAY_STAT_STA = 2,
+	STK_MUI_GTK = 3,
+	STK_MUI_SMK = 4
+};
+
+enum {
+	STK_ERR_STA_NR = 1,
+	STK_ERR_STA_NRSN = 2,
+	STK_ERR_CPHR_NS = 3,
+	STK_ERR_NO_STSL = 4
+};
+#endif /* CONFIG_PEERKEY */
+
+struct rsn_error_kde {
+	be16 mui;
+	be16 error_type;
+} STRUCT_PACKED;
+
+#ifdef CONFIG_IEEE80211W
+struct wpa_igtk_kde {
+	u8 keyid[2];
+	u8 pn[6];
+	u8 igtk[WPA_IGTK_LEN];
+} STRUCT_PACKED;
+#endif /* CONFIG_IEEE80211W */
+
+#ifdef CONFIG_IEEE80211R
+struct rsn_mdie {
+	u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
+	u8 ft_capab;
+} STRUCT_PACKED;
+
+#define RSN_FT_CAPAB_FT_OVER_DS BIT(0)
+#define RSN_FT_CAPAB_FT_RESOURCE_REQ_SUPP BIT(1)
+
+struct rsn_ftie {
+	u8 mic_control[2];
+	u8 mic[16];
+	u8 anonce[WPA_NONCE_LEN];
+	u8 snonce[WPA_NONCE_LEN];
+	/* followed by optional parameters */
+} STRUCT_PACKED;
+
+#define FTIE_SUBELEM_R1KH_ID 1
+#define FTIE_SUBELEM_GTK 2
+#define FTIE_SUBELEM_R0KH_ID 3
+#define FTIE_SUBELEM_IGTK 4
+
+struct rsn_rdie {
+	u8 id;
+	u8 descr_count;
+	le16 status_code;
+} STRUCT_PACKED;
+
+#endif /* CONFIG_IEEE80211R */
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+
+int wpa_eapol_key_mic(const u8 *key, int ver, const u8 *buf, size_t len,
+		      u8 *mic);
+void wpa_pmk_to_ptk(const u8 *pmk, size_t pmk_len, const char *label,
+		    const u8 *addr1, const u8 *addr2,
+		    const u8 *nonce1, const u8 *nonce2,
+		    u8 *ptk, size_t ptk_len, int use_sha256);
+
+#ifdef CONFIG_IEEE80211R
+int wpa_ft_mic(const u8 *kck, const u8 *sta_addr, const u8 *ap_addr,
+	       u8 transaction_seqnum, const u8 *mdie, size_t mdie_len,
+	       const u8 *ftie, size_t ftie_len,
+	       const u8 *rsnie, size_t rsnie_len,
+	       const u8 *ric, size_t ric_len, u8 *mic);
+void wpa_derive_pmk_r0(const u8 *xxkey, size_t xxkey_len,
+		       const u8 *ssid, size_t ssid_len,
+		       const u8 *mdid, const u8 *r0kh_id, size_t r0kh_id_len,
+		       const u8 *s0kh_id, u8 *pmk_r0, u8 *pmk_r0_name);
+void wpa_derive_pmk_r1_name(const u8 *pmk_r0_name, const u8 *r1kh_id,
+			    const u8 *s1kh_id, u8 *pmk_r1_name);
+void wpa_derive_pmk_r1(const u8 *pmk_r0, const u8 *pmk_r0_name,
+		       const u8 *r1kh_id, const u8 *s1kh_id,
+		       u8 *pmk_r1, u8 *pmk_r1_name);
+void wpa_pmk_r1_to_ptk(const u8 *pmk_r1, const u8 *snonce, const u8 *anonce,
+		       const u8 *sta_addr, const u8 *bssid,
+		       const u8 *pmk_r1_name,
+		       u8 *ptk, size_t ptk_len, u8 *ptk_name);
+#endif /* CONFIG_IEEE80211R */
+
+struct wpa_ie_data {
+	int proto;
+	int pairwise_cipher;
+	int group_cipher;
+	int key_mgmt;
+	int capabilities;
+	size_t num_pmkid;
+	const u8 *pmkid;
+	int mgmt_group_cipher;
+};
+
+
+int wpa_parse_wpa_ie_rsn(const u8 *rsn_ie, size_t rsn_ie_len,
+			 struct wpa_ie_data *data);
+int wpa_parse_wpa_ie_wpa(const u8 *wpa_ie, size_t wpa_ie_len,
+			 struct wpa_ie_data *data);
+
+void rsn_pmkid(const u8 *pmk, size_t pmk_len, const u8 *aa, const u8 *spa,
+	       u8 *pmkid, int use_sha256);
+
+const char * wpa_cipher_txt(int cipher);
+const char * wpa_key_mgmt_txt(int key_mgmt, int proto);
+int wpa_compare_rsn_ie(int ft_initial_assoc,
+		       const u8 *ie1, size_t ie1len,
+		       const u8 *ie2, size_t ie2len);
+int wpa_insert_pmkid(u8 *ies, size_t ies_len, const u8 *pmkid);
+
+#endif /* WPA_COMMON_H */
diff --git a/src/common/wpa_ctrl.c b/src/common/wpa_ctrl.c
new file mode 100644
index 0000000..88d3a02
--- /dev/null
+++ b/src/common/wpa_ctrl.c
@@ -0,0 +1,500 @@
+/*
+ * wpa_supplicant/hostapd control interface library
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#ifdef CONFIG_CTRL_IFACE
+
+#ifdef CONFIG_CTRL_IFACE_UNIX
+#include <sys/un.h>
+#endif /* CONFIG_CTRL_IFACE_UNIX */
+
+#ifdef ANDROID
+#include <cutils/sockets.h>
+#include "private/android_filesystem_config.h"
+#endif /* ANDROID */
+
+#include "wpa_ctrl.h"
+#include "common.h"
+
+
+#if defined(CONFIG_CTRL_IFACE_UNIX) || defined(CONFIG_CTRL_IFACE_UDP)
+#define CTRL_IFACE_SOCKET
+#endif /* CONFIG_CTRL_IFACE_UNIX || CONFIG_CTRL_IFACE_UDP */
+
+
+/**
+ * struct wpa_ctrl - Internal structure for control interface library
+ *
+ * This structure is used by the wpa_supplicant/hostapd control interface
+ * library to store internal data. Programs using the library should not touch
+ * this data directly. They can only use the pointer to the data structure as
+ * an identifier for the control interface connection and use this as one of
+ * the arguments for most of the control interface library functions.
+ */
+struct wpa_ctrl {
+#ifdef CONFIG_CTRL_IFACE_UDP
+	int s;
+	struct sockaddr_in local;
+	struct sockaddr_in dest;
+	char *cookie;
+#endif /* CONFIG_CTRL_IFACE_UDP */
+#ifdef CONFIG_CTRL_IFACE_UNIX
+	int s;
+	struct sockaddr_un local;
+	struct sockaddr_un dest;
+#endif /* CONFIG_CTRL_IFACE_UNIX */
+#ifdef CONFIG_CTRL_IFACE_NAMED_PIPE
+	HANDLE pipe;
+#endif /* CONFIG_CTRL_IFACE_NAMED_PIPE */
+};
+
+
+#ifdef CONFIG_CTRL_IFACE_UNIX
+
+#ifndef CONFIG_CTRL_IFACE_CLIENT_DIR
+#define CONFIG_CTRL_IFACE_CLIENT_DIR "/tmp"
+#endif /* CONFIG_CTRL_IFACE_CLIENT_DIR */
+#ifndef CONFIG_CTRL_IFACE_CLIENT_PREFIX
+#define CONFIG_CTRL_IFACE_CLIENT_PREFIX "wpa_ctrl_"
+#endif /* CONFIG_CTRL_IFACE_CLIENT_PREFIX */
+
+
+struct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path)
+{
+	struct wpa_ctrl *ctrl;
+	static int counter = 0;
+	int ret;
+	size_t res;
+	int tries = 0;
+
+	ctrl = os_malloc(sizeof(*ctrl));
+	if (ctrl == NULL)
+		return NULL;
+	os_memset(ctrl, 0, sizeof(*ctrl));
+
+	ctrl->s = socket(PF_UNIX, SOCK_DGRAM, 0);
+	if (ctrl->s < 0) {
+		os_free(ctrl);
+		return NULL;
+	}
+
+	ctrl->local.sun_family = AF_UNIX;
+	counter++;
+try_again:
+	ret = os_snprintf(ctrl->local.sun_path, sizeof(ctrl->local.sun_path),
+			  CONFIG_CTRL_IFACE_CLIENT_DIR "/"
+			  CONFIG_CTRL_IFACE_CLIENT_PREFIX "%d-%d",
+			  (int) getpid(), counter);
+	if (ret < 0 || (size_t) ret >= sizeof(ctrl->local.sun_path)) {
+		close(ctrl->s);
+		os_free(ctrl);
+		return NULL;
+	}
+	tries++;
+	if (bind(ctrl->s, (struct sockaddr *) &ctrl->local,
+		    sizeof(ctrl->local)) < 0) {
+		if (errno == EADDRINUSE && tries < 2) {
+			/*
+			 * getpid() returns unique identifier for this instance
+			 * of wpa_ctrl, so the existing socket file must have
+			 * been left by unclean termination of an earlier run.
+			 * Remove the file and try again.
+			 */
+			unlink(ctrl->local.sun_path);
+			goto try_again;
+		}
+		close(ctrl->s);
+		os_free(ctrl);
+		return NULL;
+	}
+
+#ifdef ANDROID
+	chmod(ctrl->local.sun_path, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
+	chown(ctrl->local.sun_path, AID_SYSTEM, AID_WIFI);
+	/*
+	 * If the ctrl_path isn't an absolute pathname, assume that
+	 * it's the name of a socket in the Android reserved namespace.
+	 * Otherwise, it's a normal UNIX domain socket appearing in the
+	 * filesystem.
+	 */
+	if (ctrl_path != NULL && *ctrl_path != '/') {
+		char buf[21];
+		os_snprintf(buf, sizeof(buf), "wpa_%s", ctrl_path);
+		if (socket_local_client_connect(
+			    ctrl->s, buf,
+			    ANDROID_SOCKET_NAMESPACE_RESERVED,
+			    SOCK_DGRAM) < 0) {
+			close(ctrl->s);
+			unlink(ctrl->local.sun_path);
+			os_free(ctrl);
+			return NULL;
+		}
+		return ctrl;
+	}
+#endif /* ANDROID */
+
+	ctrl->dest.sun_family = AF_UNIX;
+	res = os_strlcpy(ctrl->dest.sun_path, ctrl_path,
+			 sizeof(ctrl->dest.sun_path));
+	if (res >= sizeof(ctrl->dest.sun_path)) {
+		close(ctrl->s);
+		os_free(ctrl);
+		return NULL;
+	}
+	if (connect(ctrl->s, (struct sockaddr *) &ctrl->dest,
+		    sizeof(ctrl->dest)) < 0) {
+		close(ctrl->s);
+		unlink(ctrl->local.sun_path);
+		os_free(ctrl);
+		return NULL;
+	}
+
+	return ctrl;
+}
+
+
+void wpa_ctrl_close(struct wpa_ctrl *ctrl)
+{
+	if (ctrl == NULL)
+		return;
+	unlink(ctrl->local.sun_path);
+	if (ctrl->s >= 0)
+		close(ctrl->s);
+	os_free(ctrl);
+}
+
+#endif /* CONFIG_CTRL_IFACE_UNIX */
+
+
+#ifdef CONFIG_CTRL_IFACE_UDP
+
+struct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path)
+{
+	struct wpa_ctrl *ctrl;
+	char buf[128];
+	size_t len;
+
+	ctrl = os_malloc(sizeof(*ctrl));
+	if (ctrl == NULL)
+		return NULL;
+	os_memset(ctrl, 0, sizeof(*ctrl));
+
+	ctrl->s = socket(PF_INET, SOCK_DGRAM, 0);
+	if (ctrl->s < 0) {
+		perror("socket");
+		os_free(ctrl);
+		return NULL;
+	}
+
+	ctrl->local.sin_family = AF_INET;
+	ctrl->local.sin_addr.s_addr = htonl((127 << 24) | 1);
+	if (bind(ctrl->s, (struct sockaddr *) &ctrl->local,
+		 sizeof(ctrl->local)) < 0) {
+		close(ctrl->s);
+		os_free(ctrl);
+		return NULL;
+	}
+
+	ctrl->dest.sin_family = AF_INET;
+	ctrl->dest.sin_addr.s_addr = htonl((127 << 24) | 1);
+	ctrl->dest.sin_port = htons(WPA_CTRL_IFACE_PORT);
+	if (connect(ctrl->s, (struct sockaddr *) &ctrl->dest,
+		    sizeof(ctrl->dest)) < 0) {
+		perror("connect");
+		close(ctrl->s);
+		os_free(ctrl);
+		return NULL;
+	}
+
+	len = sizeof(buf) - 1;
+	if (wpa_ctrl_request(ctrl, "GET_COOKIE", 10, buf, &len, NULL) == 0) {
+		buf[len] = '\0';
+		ctrl->cookie = os_strdup(buf);
+	}
+
+	return ctrl;
+}
+
+
+void wpa_ctrl_close(struct wpa_ctrl *ctrl)
+{
+	close(ctrl->s);
+	os_free(ctrl->cookie);
+	os_free(ctrl);
+}
+
+#endif /* CONFIG_CTRL_IFACE_UDP */
+
+
+#ifdef CTRL_IFACE_SOCKET
+int wpa_ctrl_request(struct wpa_ctrl *ctrl, const char *cmd, size_t cmd_len,
+		     char *reply, size_t *reply_len,
+		     void (*msg_cb)(char *msg, size_t len))
+{
+	struct timeval tv;
+	int res;
+	fd_set rfds;
+	const char *_cmd;
+	char *cmd_buf = NULL;
+	size_t _cmd_len;
+
+#ifdef CONFIG_CTRL_IFACE_UDP
+	if (ctrl->cookie) {
+		char *pos;
+		_cmd_len = os_strlen(ctrl->cookie) + 1 + cmd_len;
+		cmd_buf = os_malloc(_cmd_len);
+		if (cmd_buf == NULL)
+			return -1;
+		_cmd = cmd_buf;
+		pos = cmd_buf;
+		os_strlcpy(pos, ctrl->cookie, _cmd_len);
+		pos += os_strlen(ctrl->cookie);
+		*pos++ = ' ';
+		os_memcpy(pos, cmd, cmd_len);
+	} else
+#endif /* CONFIG_CTRL_IFACE_UDP */
+	{
+		_cmd = cmd;
+		_cmd_len = cmd_len;
+	}
+
+	if (send(ctrl->s, _cmd, _cmd_len, 0) < 0) {
+		os_free(cmd_buf);
+		return -1;
+	}
+	os_free(cmd_buf);
+
+	for (;;) {
+		tv.tv_sec = 10;
+		tv.tv_usec = 0;
+		FD_ZERO(&rfds);
+		FD_SET(ctrl->s, &rfds);
+		res = select(ctrl->s + 1, &rfds, NULL, NULL, &tv);
+		if (res < 0)
+			return res;
+		if (FD_ISSET(ctrl->s, &rfds)) {
+			res = recv(ctrl->s, reply, *reply_len, 0);
+			if (res < 0)
+				return res;
+			if (res > 0 && reply[0] == '<') {
+				/* This is an unsolicited message from
+				 * wpa_supplicant, not the reply to the
+				 * request. Use msg_cb to report this to the
+				 * caller. */
+				if (msg_cb) {
+					/* Make sure the message is nul
+					 * terminated. */
+					if ((size_t) res == *reply_len)
+						res = (*reply_len) - 1;
+					reply[res] = '\0';
+					msg_cb(reply, res);
+				}
+				continue;
+			}
+			*reply_len = res;
+			break;
+		} else {
+			return -2;
+		}
+	}
+	return 0;
+}
+#endif /* CTRL_IFACE_SOCKET */
+
+
+static int wpa_ctrl_attach_helper(struct wpa_ctrl *ctrl, int attach)
+{
+	char buf[10];
+	int ret;
+	size_t len = 10;
+
+	ret = wpa_ctrl_request(ctrl, attach ? "ATTACH" : "DETACH", 6,
+			       buf, &len, NULL);
+	if (ret < 0)
+		return ret;
+	if (len == 3 && os_memcmp(buf, "OK\n", 3) == 0)
+		return 0;
+	return -1;
+}
+
+
+int wpa_ctrl_attach(struct wpa_ctrl *ctrl)
+{
+	return wpa_ctrl_attach_helper(ctrl, 1);
+}
+
+
+int wpa_ctrl_detach(struct wpa_ctrl *ctrl)
+{
+	return wpa_ctrl_attach_helper(ctrl, 0);
+}
+
+
+#ifdef CTRL_IFACE_SOCKET
+
+int wpa_ctrl_recv(struct wpa_ctrl *ctrl, char *reply, size_t *reply_len)
+{
+	int res;
+
+	res = recv(ctrl->s, reply, *reply_len, 0);
+	if (res < 0)
+		return res;
+	*reply_len = res;
+	return 0;
+}
+
+
+int wpa_ctrl_pending(struct wpa_ctrl *ctrl)
+{
+	struct timeval tv;
+	fd_set rfds;
+	tv.tv_sec = 0;
+	tv.tv_usec = 0;
+	FD_ZERO(&rfds);
+	FD_SET(ctrl->s, &rfds);
+	select(ctrl->s + 1, &rfds, NULL, NULL, &tv);
+	return FD_ISSET(ctrl->s, &rfds);
+}
+
+
+int wpa_ctrl_get_fd(struct wpa_ctrl *ctrl)
+{
+	return ctrl->s;
+}
+
+#endif /* CTRL_IFACE_SOCKET */
+
+
+#ifdef CONFIG_CTRL_IFACE_NAMED_PIPE
+
+#ifndef WPA_SUPPLICANT_NAMED_PIPE
+#define WPA_SUPPLICANT_NAMED_PIPE "WpaSupplicant"
+#endif
+#define NAMED_PIPE_PREFIX TEXT("\\\\.\\pipe\\") TEXT(WPA_SUPPLICANT_NAMED_PIPE)
+
+struct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path)
+{
+	struct wpa_ctrl *ctrl;
+	DWORD mode;
+	TCHAR name[256];
+	int i, ret;
+
+	ctrl = os_malloc(sizeof(*ctrl));
+	if (ctrl == NULL)
+		return NULL;
+	os_memset(ctrl, 0, sizeof(*ctrl));
+
+#ifdef UNICODE
+	if (ctrl_path == NULL)
+		ret = _snwprintf(name, 256, NAMED_PIPE_PREFIX);
+	else
+		ret = _snwprintf(name, 256, NAMED_PIPE_PREFIX TEXT("-%S"),
+				 ctrl_path);
+#else /* UNICODE */
+	if (ctrl_path == NULL)
+		ret = os_snprintf(name, 256, NAMED_PIPE_PREFIX);
+	else
+		ret = os_snprintf(name, 256, NAMED_PIPE_PREFIX "-%s",
+				  ctrl_path);
+#endif /* UNICODE */
+	if (ret < 0 || ret >= 256) {
+		os_free(ctrl);
+		return NULL;
+	}
+
+	for (i = 0; i < 10; i++) {
+		ctrl->pipe = CreateFile(name, GENERIC_READ | GENERIC_WRITE, 0,
+					NULL, OPEN_EXISTING, 0, NULL);
+		/*
+		 * Current named pipe server side in wpa_supplicant is
+		 * re-opening the pipe for new clients only after the previous
+		 * one is taken into use. This leaves a small window for race
+		 * conditions when two connections are being opened at almost
+		 * the same time. Retry if that was the case.
+		 */
+		if (ctrl->pipe != INVALID_HANDLE_VALUE ||
+		    GetLastError() != ERROR_PIPE_BUSY)
+			break;
+		WaitNamedPipe(name, 1000);
+	}
+	if (ctrl->pipe == INVALID_HANDLE_VALUE) {
+		os_free(ctrl);
+		return NULL;
+	}
+
+	mode = PIPE_READMODE_MESSAGE;
+	if (!SetNamedPipeHandleState(ctrl->pipe, &mode, NULL, NULL)) {
+		CloseHandle(ctrl->pipe);
+		os_free(ctrl);
+		return NULL;
+	}
+
+	return ctrl;
+}
+
+
+void wpa_ctrl_close(struct wpa_ctrl *ctrl)
+{
+	CloseHandle(ctrl->pipe);
+	os_free(ctrl);
+}
+
+
+int wpa_ctrl_request(struct wpa_ctrl *ctrl, const char *cmd, size_t cmd_len,
+		     char *reply, size_t *reply_len,
+		     void (*msg_cb)(char *msg, size_t len))
+{
+	DWORD written;
+	DWORD readlen = *reply_len;
+
+	if (!WriteFile(ctrl->pipe, cmd, cmd_len, &written, NULL))
+		return -1;
+
+	if (!ReadFile(ctrl->pipe, reply, *reply_len, &readlen, NULL))
+		return -1;
+	*reply_len = readlen;
+
+	return 0;
+}
+
+
+int wpa_ctrl_recv(struct wpa_ctrl *ctrl, char *reply, size_t *reply_len)
+{
+	DWORD len = *reply_len;
+	if (!ReadFile(ctrl->pipe, reply, *reply_len, &len, NULL))
+		return -1;
+	*reply_len = len;
+	return 0;
+}
+
+
+int wpa_ctrl_pending(struct wpa_ctrl *ctrl)
+{
+	DWORD left;
+
+	if (!PeekNamedPipe(ctrl->pipe, NULL, 0, NULL, &left, NULL))
+		return -1;
+	return left ? 1 : 0;
+}
+
+
+int wpa_ctrl_get_fd(struct wpa_ctrl *ctrl)
+{
+	return -1;
+}
+
+#endif /* CONFIG_CTRL_IFACE_NAMED_PIPE */
+
+#endif /* CONFIG_CTRL_IFACE */
diff --git a/src/common/wpa_ctrl.h b/src/common/wpa_ctrl.h
new file mode 100644
index 0000000..528cc16
--- /dev/null
+++ b/src/common/wpa_ctrl.h
@@ -0,0 +1,274 @@
+/*
+ * wpa_supplicant/hostapd control interface library
+ * Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef WPA_CTRL_H
+#define WPA_CTRL_H
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+/* wpa_supplicant control interface - fixed message prefixes */
+
+/** Interactive request for identity/password/pin */
+#define WPA_CTRL_REQ "CTRL-REQ-"
+
+/** Response to identity/password/pin request */
+#define WPA_CTRL_RSP "CTRL-RSP-"
+
+/* Event messages with fixed prefix */
+/** Authentication completed successfully and data connection enabled */
+#define WPA_EVENT_CONNECTED "CTRL-EVENT-CONNECTED "
+/** Disconnected, data connection is not available */
+#define WPA_EVENT_DISCONNECTED "CTRL-EVENT-DISCONNECTED "
+/** Association rejected during connection attempt */
+#define WPA_EVENT_ASSOC_REJECT "CTRL-EVENT-ASSOC-REJECT "
+/** wpa_supplicant is exiting */
+#define WPA_EVENT_TERMINATING "CTRL-EVENT-TERMINATING "
+/** Password change was completed successfully */
+#define WPA_EVENT_PASSWORD_CHANGED "CTRL-EVENT-PASSWORD-CHANGED "
+/** EAP-Request/Notification received */
+#define WPA_EVENT_EAP_NOTIFICATION "CTRL-EVENT-EAP-NOTIFICATION "
+/** EAP authentication started (EAP-Request/Identity received) */
+#define WPA_EVENT_EAP_STARTED "CTRL-EVENT-EAP-STARTED "
+/** EAP method proposed by the server */
+#define WPA_EVENT_EAP_PROPOSED_METHOD "CTRL-EVENT-EAP-PROPOSED-METHOD "
+/** EAP method selected */
+#define WPA_EVENT_EAP_METHOD "CTRL-EVENT-EAP-METHOD "
+/** EAP peer certificate from TLS */
+#define WPA_EVENT_EAP_PEER_CERT "CTRL-EVENT-EAP-PEER-CERT "
+/** EAP TLS certificate chain validation error */
+#define WPA_EVENT_EAP_TLS_CERT_ERROR "CTRL-EVENT-EAP-TLS-CERT-ERROR "
+/** EAP authentication completed successfully */
+#define WPA_EVENT_EAP_SUCCESS "CTRL-EVENT-EAP-SUCCESS "
+/** EAP authentication failed (EAP-Failure received) */
+#define WPA_EVENT_EAP_FAILURE "CTRL-EVENT-EAP-FAILURE "
+/** New scan results available */
+#define WPA_EVENT_SCAN_RESULTS "CTRL-EVENT-SCAN-RESULTS "
+/** wpa_supplicant state change */
+#define WPA_EVENT_STATE_CHANGE "CTRL-EVENT-STATE-CHANGE "
+/** A new BSS entry was added (followed by BSS entry id and BSSID) */
+#define WPA_EVENT_BSS_ADDED "CTRL-EVENT-BSS-ADDED "
+/** A BSS entry was removed (followed by BSS entry id and BSSID) */
+#define WPA_EVENT_BSS_REMOVED "CTRL-EVENT-BSS-REMOVED "
+
+/** WPS overlap detected in PBC mode */
+#define WPS_EVENT_OVERLAP "WPS-OVERLAP-DETECTED "
+/** Available WPS AP with active PBC found in scan results */
+#define WPS_EVENT_AP_AVAILABLE_PBC "WPS-AP-AVAILABLE-PBC "
+/** Available WPS AP with our address as authorized in scan results */
+#define WPS_EVENT_AP_AVAILABLE_AUTH "WPS-AP-AVAILABLE-AUTH "
+/** Available WPS AP with recently selected PIN registrar found in scan results
+ */
+#define WPS_EVENT_AP_AVAILABLE_PIN "WPS-AP-AVAILABLE-PIN "
+/** Available WPS AP found in scan results */
+#define WPS_EVENT_AP_AVAILABLE "WPS-AP-AVAILABLE "
+/** A new credential received */
+#define WPS_EVENT_CRED_RECEIVED "WPS-CRED-RECEIVED "
+/** M2D received */
+#define WPS_EVENT_M2D "WPS-M2D "
+/** WPS registration failed after M2/M2D */
+#define WPS_EVENT_FAIL "WPS-FAIL "
+/** WPS registration completed successfully */
+#define WPS_EVENT_SUCCESS "WPS-SUCCESS "
+/** WPS enrollment attempt timed out and was terminated */
+#define WPS_EVENT_TIMEOUT "WPS-TIMEOUT "
+
+#define WPS_EVENT_ENROLLEE_SEEN "WPS-ENROLLEE-SEEN "
+
+#define WPS_EVENT_OPEN_NETWORK "WPS-OPEN-NETWORK "
+
+/* WPS ER events */
+#define WPS_EVENT_ER_AP_ADD "WPS-ER-AP-ADD "
+#define WPS_EVENT_ER_AP_REMOVE "WPS-ER-AP-REMOVE "
+#define WPS_EVENT_ER_ENROLLEE_ADD "WPS-ER-ENROLLEE-ADD "
+#define WPS_EVENT_ER_ENROLLEE_REMOVE "WPS-ER-ENROLLEE-REMOVE "
+#define WPS_EVENT_ER_AP_SETTINGS "WPS-ER-AP-SETTINGS "
+#define WPS_EVENT_ER_SET_SEL_REG "WPS-ER-AP-SET-SEL-REG "
+
+/** P2P device found */
+#define P2P_EVENT_DEVICE_FOUND "P2P-DEVICE-FOUND "
+/** A P2P device requested GO negotiation, but we were not ready to start the
+ * negotiation */
+#define P2P_EVENT_GO_NEG_REQUEST "P2P-GO-NEG-REQUEST "
+#define P2P_EVENT_GO_NEG_SUCCESS "P2P-GO-NEG-SUCCESS "
+#define P2P_EVENT_GO_NEG_FAILURE "P2P-GO-NEG-FAILURE "
+#define P2P_EVENT_GROUP_FORMATION_SUCCESS "P2P-GROUP-FORMATION-SUCCESS "
+#define P2P_EVENT_GROUP_FORMATION_FAILURE "P2P-GROUP-FORMATION-FAILURE "
+#define P2P_EVENT_GROUP_STARTED "P2P-GROUP-STARTED "
+#define P2P_EVENT_GROUP_REMOVED "P2P-GROUP-REMOVED "
+#define P2P_EVENT_CROSS_CONNECT_ENABLE "P2P-CROSS-CONNECT-ENABLE "
+#define P2P_EVENT_CROSS_CONNECT_DISABLE "P2P-CROSS-CONNECT-DISABLE "
+/* parameters: <peer address> <PIN> */
+#define P2P_EVENT_PROV_DISC_SHOW_PIN "P2P-PROV-DISC-SHOW-PIN "
+/* parameters: <peer address> */
+#define P2P_EVENT_PROV_DISC_ENTER_PIN "P2P-PROV-DISC-ENTER-PIN "
+/* parameters: <peer address> */
+#define P2P_EVENT_PROV_DISC_PBC_REQ "P2P-PROV-DISC-PBC-REQ "
+/* parameters: <peer address> */
+#define P2P_EVENT_PROV_DISC_PBC_RESP "P2P-PROV-DISC-PBC-RESP "
+/* parameters: <freq> <src addr> <dialog token> <update indicator> <TLVs> */
+#define P2P_EVENT_SERV_DISC_REQ "P2P-SERV-DISC-REQ "
+/* parameters: <src addr> <update indicator> <TLVs> */
+#define P2P_EVENT_SERV_DISC_RESP "P2P-SERV-DISC-RESP "
+#define P2P_EVENT_INVITATION_RECEIVED "P2P-INVITATION-RECEIVED "
+#define P2P_EVENT_INVITATION_RESULT "P2P-INVITATION-RESULT "
+
+/* hostapd control interface - fixed message prefixes */
+#define WPS_EVENT_PIN_NEEDED "WPS-PIN-NEEDED "
+#define WPS_EVENT_NEW_AP_SETTINGS "WPS-NEW-AP-SETTINGS "
+#define WPS_EVENT_REG_SUCCESS "WPS-REG-SUCCESS "
+#define WPS_EVENT_AP_SETUP_LOCKED "WPS-AP-SETUP-LOCKED "
+#define WPS_EVENT_AP_SETUP_UNLOCKED "WPS-AP-SETUP-UNLOCKED "
+#define WPS_EVENT_AP_PIN_ENABLED "WPS-AP-PIN-ENABLED "
+#define WPS_EVENT_AP_PIN_DISABLED "WPS-AP-PIN-DISABLED "
+#define AP_STA_CONNECTED "AP-STA-CONNECTED "
+#define AP_STA_DISCONNECTED "AP-STA-DISCONNECTED "
+
+
+/* wpa_supplicant/hostapd control interface access */
+
+/**
+ * wpa_ctrl_open - Open a control interface to wpa_supplicant/hostapd
+ * @ctrl_path: Path for UNIX domain sockets; ignored if UDP sockets are used.
+ * Returns: Pointer to abstract control interface data or %NULL on failure
+ *
+ * This function is used to open a control interface to wpa_supplicant/hostapd.
+ * ctrl_path is usually /var/run/wpa_supplicant or /var/run/hostapd. This path
+ * is configured in wpa_supplicant/hostapd and other programs using the control
+ * interface need to use matching path configuration.
+ */
+struct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path);
+
+
+/**
+ * wpa_ctrl_close - Close a control interface to wpa_supplicant/hostapd
+ * @ctrl: Control interface data from wpa_ctrl_open()
+ *
+ * This function is used to close a control interface.
+ */
+void wpa_ctrl_close(struct wpa_ctrl *ctrl);
+
+
+/**
+ * wpa_ctrl_request - Send a command to wpa_supplicant/hostapd
+ * @ctrl: Control interface data from wpa_ctrl_open()
+ * @cmd: Command; usually, ASCII text, e.g., "PING"
+ * @cmd_len: Length of the cmd in bytes
+ * @reply: Buffer for the response
+ * @reply_len: Reply buffer length
+ * @msg_cb: Callback function for unsolicited messages or %NULL if not used
+ * Returns: 0 on success, -1 on error (send or receive failed), -2 on timeout
+ *
+ * This function is used to send commands to wpa_supplicant/hostapd. Received
+ * response will be written to reply and reply_len is set to the actual length
+ * of the reply. This function will block for up to two seconds while waiting
+ * for the reply. If unsolicited messages are received, the blocking time may
+ * be longer.
+ *
+ * msg_cb can be used to register a callback function that will be called for
+ * unsolicited messages received while waiting for the command response. These
+ * messages may be received if wpa_ctrl_request() is called at the same time as
+ * wpa_supplicant/hostapd is sending such a message. This can happen only if
+ * the program has used wpa_ctrl_attach() to register itself as a monitor for
+ * event messages. Alternatively to msg_cb, programs can register two control
+ * interface connections and use one of them for commands and the other one for
+ * receiving event messages, in other words, call wpa_ctrl_attach() only for
+ * the control interface connection that will be used for event messages.
+ */
+int wpa_ctrl_request(struct wpa_ctrl *ctrl, const char *cmd, size_t cmd_len,
+		     char *reply, size_t *reply_len,
+		     void (*msg_cb)(char *msg, size_t len));
+
+
+/**
+ * wpa_ctrl_attach - Register as an event monitor for the control interface
+ * @ctrl: Control interface data from wpa_ctrl_open()
+ * Returns: 0 on success, -1 on failure, -2 on timeout
+ *
+ * This function registers the control interface connection as a monitor for
+ * wpa_supplicant/hostapd events. After a success wpa_ctrl_attach() call, the
+ * control interface connection starts receiving event messages that can be
+ * read with wpa_ctrl_recv().
+ */
+int wpa_ctrl_attach(struct wpa_ctrl *ctrl);
+
+
+/**
+ * wpa_ctrl_detach - Unregister event monitor from the control interface
+ * @ctrl: Control interface data from wpa_ctrl_open()
+ * Returns: 0 on success, -1 on failure, -2 on timeout
+ *
+ * This function unregisters the control interface connection as a monitor for
+ * wpa_supplicant/hostapd events, i.e., cancels the registration done with
+ * wpa_ctrl_attach().
+ */
+int wpa_ctrl_detach(struct wpa_ctrl *ctrl);
+
+
+/**
+ * wpa_ctrl_recv - Receive a pending control interface message
+ * @ctrl: Control interface data from wpa_ctrl_open()
+ * @reply: Buffer for the message data
+ * @reply_len: Length of the reply buffer
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function will receive a pending control interface message. This
+ * function will block if no messages are available. The received response will
+ * be written to reply and reply_len is set to the actual length of the reply.
+ * wpa_ctrl_recv() is only used for event messages, i.e., wpa_ctrl_attach()
+ * must have been used to register the control interface as an event monitor.
+ */
+int wpa_ctrl_recv(struct wpa_ctrl *ctrl, char *reply, size_t *reply_len);
+
+
+/**
+ * wpa_ctrl_pending - Check whether there are pending event messages
+ * @ctrl: Control interface data from wpa_ctrl_open()
+ * Returns: 1 if there are pending messages, 0 if no, or -1 on error
+ *
+ * This function will check whether there are any pending control interface
+ * message available to be received with wpa_ctrl_recv(). wpa_ctrl_pending() is
+ * only used for event messages, i.e., wpa_ctrl_attach() must have been used to
+ * register the control interface as an event monitor.
+ */
+int wpa_ctrl_pending(struct wpa_ctrl *ctrl);
+
+
+/**
+ * wpa_ctrl_get_fd - Get file descriptor used by the control interface
+ * @ctrl: Control interface data from wpa_ctrl_open()
+ * Returns: File descriptor used for the connection
+ *
+ * This function can be used to get the file descriptor that is used for the
+ * control interface connection. The returned value can be used, e.g., with
+ * select() while waiting for multiple events.
+ *
+ * The returned file descriptor must not be used directly for sending or
+ * receiving packets; instead, the library functions wpa_ctrl_request() and
+ * wpa_ctrl_recv() must be used for this.
+ */
+int wpa_ctrl_get_fd(struct wpa_ctrl *ctrl);
+
+#ifdef CONFIG_CTRL_IFACE_UDP
+#define WPA_CTRL_IFACE_PORT 9877
+#define WPA_GLOBAL_CTRL_IFACE_PORT 9878
+#endif /* CONFIG_CTRL_IFACE_UDP */
+
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif /* WPA_CTRL_H */
diff --git a/src/crypto/.gitignore b/src/crypto/.gitignore
new file mode 100644
index 0000000..ee60604
--- /dev/null
+++ b/src/crypto/.gitignore
@@ -0,0 +1 @@
+libcrypto.a
diff --git a/src/crypto/Makefile b/src/crypto/Makefile
new file mode 100644
index 0000000..69aa16a
--- /dev/null
+++ b/src/crypto/Makefile
@@ -0,0 +1,56 @@
+all: libcrypto.a
+
+clean:
+	rm -f *~ *.o *.d libcrypto.a
+
+install:
+	@echo Nothing to be made.
+
+
+include ../lib.rules
+
+CFLAGS += -DCONFIG_TLS_INTERNAL_CLIENT
+CFLAGS += -DCONFIG_TLS_INTERNAL_SERVER
+#CFLAGS += -DALL_DH_GROUPS
+
+LIB_OBJS= \
+	aes-cbc.o \
+	aes-ctr.o \
+	aes-eax.o \
+	aes-encblock.o \
+	aes-internal.o \
+	aes-internal-dec.o \
+	aes-internal-enc.o \
+	aes-omac1.o \
+	aes-unwrap.o \
+	aes-wrap.o \
+	des-internal.o \
+	dh_group5.o \
+	dh_groups.o \
+	md4-internal.o \
+	md5.o \
+	md5-internal.o \
+	md5-non-fips.o \
+	milenage.o \
+	ms_funcs.o \
+	rc4.o \
+	sha1.o \
+	sha1-internal.o \
+	sha1-pbkdf2.o \
+	sha1-tlsprf.o \
+	sha1-tprf.o \
+	sha256.o \
+	sha256-internal.o
+
+LIB_OBJS += crypto_internal.o
+LIB_OBJS += crypto_internal-cipher.o
+LIB_OBJS += crypto_internal-modexp.o
+LIB_OBJS += crypto_internal-rsa.o
+LIB_OBJS += tls_internal.o
+LIB_OBJS += fips_prf_internal.o
+
+
+libcrypto.a: $(LIB_OBJS)
+	$(AR) crT $@ $?
+
+-include $(OBJS:%.o=%.d)
diff --git a/src/crypto/aes-cbc.c b/src/crypto/aes-cbc.c
new file mode 100644
index 0000000..bd74769
--- /dev/null
+++ b/src/crypto/aes-cbc.c
@@ -0,0 +1,86 @@
+/*
+ * AES-128 CBC
+ *
+ * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "aes.h"
+#include "aes_wrap.h"
+
+/**
+ * aes_128_cbc_encrypt - AES-128 CBC encryption
+ * @key: Encryption key
+ * @iv: Encryption IV for CBC mode (16 bytes)
+ * @data: Data to encrypt in-place
+ * @data_len: Length of data in bytes (must be divisible by 16)
+ * Returns: 0 on success, -1 on failure
+ */
+int aes_128_cbc_encrypt(const u8 *key, const u8 *iv, u8 *data, size_t data_len)
+{
+	void *ctx;
+	u8 cbc[AES_BLOCK_SIZE];
+	u8 *pos = data;
+	int i, j, blocks;
+
+	ctx = aes_encrypt_init(key, 16);
+	if (ctx == NULL)
+		return -1;
+	os_memcpy(cbc, iv, AES_BLOCK_SIZE);
+
+	blocks = data_len / AES_BLOCK_SIZE;
+	for (i = 0; i < blocks; i++) {
+		for (j = 0; j < AES_BLOCK_SIZE; j++)
+			cbc[j] ^= pos[j];
+		aes_encrypt(ctx, cbc, cbc);
+		os_memcpy(pos, cbc, AES_BLOCK_SIZE);
+		pos += AES_BLOCK_SIZE;
+	}
+	aes_encrypt_deinit(ctx);
+	return 0;
+}
+
+
+/**
+ * aes_128_cbc_decrypt - AES-128 CBC decryption
+ * @key: Decryption key
+ * @iv: Decryption IV for CBC mode (16 bytes)
+ * @data: Data to decrypt in-place
+ * @data_len: Length of data in bytes (must be divisible by 16)
+ * Returns: 0 on success, -1 on failure
+ */
+int aes_128_cbc_decrypt(const u8 *key, const u8 *iv, u8 *data, size_t data_len)
+{
+	void *ctx;
+	u8 cbc[AES_BLOCK_SIZE], tmp[AES_BLOCK_SIZE];
+	u8 *pos = data;
+	int i, j, blocks;
+
+	ctx = aes_decrypt_init(key, 16);
+	if (ctx == NULL)
+		return -1;
+	os_memcpy(cbc, iv, AES_BLOCK_SIZE);
+
+	blocks = data_len / AES_BLOCK_SIZE;
+	for (i = 0; i < blocks; i++) {
+		os_memcpy(tmp, pos, AES_BLOCK_SIZE);
+		aes_decrypt(ctx, pos, pos);
+		for (j = 0; j < AES_BLOCK_SIZE; j++)
+			pos[j] ^= cbc[j];
+		os_memcpy(cbc, tmp, AES_BLOCK_SIZE);
+		pos += AES_BLOCK_SIZE;
+	}
+	aes_decrypt_deinit(ctx);
+	return 0;
+}
diff --git a/src/crypto/aes-ctr.c b/src/crypto/aes-ctr.c
new file mode 100644
index 0000000..468f877
--- /dev/null
+++ b/src/crypto/aes-ctr.c
@@ -0,0 +1,61 @@
+/*
+ * AES-128 CTR
+ *
+ * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "aes.h"
+#include "aes_wrap.h"
+
+/**
+ * aes_128_ctr_encrypt - AES-128 CTR mode encryption
+ * @key: Key for encryption (16 bytes)
+ * @nonce: Nonce for counter mode (16 bytes)
+ * @data: Data to encrypt in-place
+ * @data_len: Length of data in bytes
+ * Returns: 0 on success, -1 on failure
+ */
+int aes_128_ctr_encrypt(const u8 *key, const u8 *nonce,
+			u8 *data, size_t data_len)
+{
+	void *ctx;
+	size_t j, len, left = data_len;
+	int i;
+	u8 *pos = data;
+	u8 counter[AES_BLOCK_SIZE], buf[AES_BLOCK_SIZE];
+
+	ctx = aes_encrypt_init(key, 16);
+	if (ctx == NULL)
+		return -1;
+	os_memcpy(counter, nonce, AES_BLOCK_SIZE);
+
+	while (left > 0) {
+		aes_encrypt(ctx, counter, buf);
+
+		len = (left < AES_BLOCK_SIZE) ? left : AES_BLOCK_SIZE;
+		for (j = 0; j < len; j++)
+			pos[j] ^= buf[j];
+		pos += len;
+		left -= len;
+
+		for (i = AES_BLOCK_SIZE - 1; i >= 0; i--) {
+			counter[i]++;
+			if (counter[i])
+				break;
+		}
+	}
+	aes_encrypt_deinit(ctx);
+	return 0;
+}
diff --git a/src/crypto/aes-eax.c b/src/crypto/aes-eax.c
new file mode 100644
index 0000000..d5c3971
--- /dev/null
+++ b/src/crypto/aes-eax.c
@@ -0,0 +1,151 @@
+/*
+ * AES-128 EAX
+ *
+ * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "aes.h"
+#include "aes_wrap.h"
+
+/**
+ * aes_128_eax_encrypt - AES-128 EAX mode encryption
+ * @key: Key for encryption (16 bytes)
+ * @nonce: Nonce for counter mode
+ * @nonce_len: Nonce length in bytes
+ * @hdr: Header data to be authenticity protected
+ * @hdr_len: Length of the header data bytes
+ * @data: Data to encrypt in-place
+ * @data_len: Length of data in bytes
+ * @tag: 16-byte tag value
+ * Returns: 0 on success, -1 on failure
+ */
+int aes_128_eax_encrypt(const u8 *key, const u8 *nonce, size_t nonce_len,
+			const u8 *hdr, size_t hdr_len,
+			u8 *data, size_t data_len, u8 *tag)
+{
+	u8 *buf;
+	size_t buf_len;
+	u8 nonce_mac[AES_BLOCK_SIZE], hdr_mac[AES_BLOCK_SIZE],
+		data_mac[AES_BLOCK_SIZE];
+	int i, ret = -1;
+
+	if (nonce_len > data_len)
+		buf_len = nonce_len;
+	else
+		buf_len = data_len;
+	if (hdr_len > buf_len)
+		buf_len = hdr_len;
+	buf_len += 16;
+
+	buf = os_malloc(buf_len);
+	if (buf == NULL)
+		return -1;
+
+	os_memset(buf, 0, 15);
+
+	buf[15] = 0;
+	os_memcpy(buf + 16, nonce, nonce_len);
+	if (omac1_aes_128(key, buf, 16 + nonce_len, nonce_mac))
+		goto fail;
+
+	buf[15] = 1;
+	os_memcpy(buf + 16, hdr, hdr_len);
+	if (omac1_aes_128(key, buf, 16 + hdr_len, hdr_mac))
+		goto fail;
+
+	if (aes_128_ctr_encrypt(key, nonce_mac, data, data_len))
+		goto fail;
+	buf[15] = 2;
+	os_memcpy(buf + 16, data, data_len);
+	if (omac1_aes_128(key, buf, 16 + data_len, data_mac))
+		goto fail;
+
+	for (i = 0; i < AES_BLOCK_SIZE; i++)
+		tag[i] = nonce_mac[i] ^ data_mac[i] ^ hdr_mac[i];
+
+	ret = 0;
+fail:
+	os_free(buf);
+
+	return ret;
+}
+
+
+/**
+ * aes_128_eax_decrypt - AES-128 EAX mode decryption
+ * @key: Key for decryption (16 bytes)
+ * @nonce: Nonce for counter mode
+ * @nonce_len: Nonce length in bytes
+ * @hdr: Header data to be authenticity protected
+ * @hdr_len: Length of the header data bytes
+ * @data: Data to encrypt in-place
+ * @data_len: Length of data in bytes
+ * @tag: 16-byte tag value
+ * Returns: 0 on success, -1 on failure, -2 if tag does not match
+ */
+int aes_128_eax_decrypt(const u8 *key, const u8 *nonce, size_t nonce_len,
+			const u8 *hdr, size_t hdr_len,
+			u8 *data, size_t data_len, const u8 *tag)
+{
+	u8 *buf;
+	size_t buf_len;
+	u8 nonce_mac[AES_BLOCK_SIZE], hdr_mac[AES_BLOCK_SIZE],
+		data_mac[AES_BLOCK_SIZE];
+	int i;
+
+	if (nonce_len > data_len)
+		buf_len = nonce_len;
+	else
+		buf_len = data_len;
+	if (hdr_len > buf_len)
+		buf_len = hdr_len;
+	buf_len += 16;
+
+	buf = os_malloc(buf_len);
+	if (buf == NULL)
+		return -1;
+
+	os_memset(buf, 0, 15);
+
+	buf[15] = 0;
+	os_memcpy(buf + 16, nonce, nonce_len);
+	if (omac1_aes_128(key, buf, 16 + nonce_len, nonce_mac)) {
+		os_free(buf);
+		return -1;
+	}
+
+	buf[15] = 1;
+	os_memcpy(buf + 16, hdr, hdr_len);
+	if (omac1_aes_128(key, buf, 16 + hdr_len, hdr_mac)) {
+		os_free(buf);
+		return -1;
+	}
+
+	buf[15] = 2;
+	os_memcpy(buf + 16, data, data_len);
+	if (omac1_aes_128(key, buf, 16 + data_len, data_mac)) {
+		os_free(buf);
+		return -1;
+	}
+
+	os_free(buf);
+
+	for (i = 0; i < AES_BLOCK_SIZE; i++) {
+		if (tag[i] != (nonce_mac[i] ^ data_mac[i] ^ hdr_mac[i]))
+			return -2;
+	}
+
+	return aes_128_ctr_encrypt(key, nonce_mac, data, data_len);
+}
diff --git a/src/crypto/aes-encblock.c b/src/crypto/aes-encblock.c
new file mode 100644
index 0000000..8f35caa
--- /dev/null
+++ b/src/crypto/aes-encblock.c
@@ -0,0 +1,38 @@
+/*
+ * AES encrypt_block
+ *
+ * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "aes.h"
+#include "aes_wrap.h"
+
+/**
+ * aes_128_encrypt_block - Perform one AES 128-bit block operation
+ * @key: Key for AES
+ * @in: Input data (16 bytes)
+ * @out: Output of the AES block operation (16 bytes)
+ * Returns: 0 on success, -1 on failure
+ */
+int aes_128_encrypt_block(const u8 *key, const u8 *in, u8 *out)
+{
+	void *ctx;
+	ctx = aes_encrypt_init(key, 16);
+	if (ctx == NULL)
+		return -1;
+	aes_encrypt(ctx, in, out);
+	aes_encrypt_deinit(ctx);
+	return 0;
+}
diff --git a/src/crypto/aes-internal-dec.c b/src/crypto/aes-internal-dec.c
new file mode 100644
index 0000000..2d32c03
--- /dev/null
+++ b/src/crypto/aes-internal-dec.c
@@ -0,0 +1,151 @@
+/*
+ * AES (Rijndael) cipher - decrypt
+ *
+ * Modifications to public domain implementation:
+ * - support only 128-bit keys
+ * - cleanup
+ * - use C pre-processor to make it easier to change S table access
+ * - added option (AES_SMALL_TABLES) for reducing code size by about 8 kB at
+ *   cost of reduced throughput (quite small difference on Pentium 4,
+ *   10-25% when using -O1 or -O2 optimization)
+ *
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto.h"
+#include "aes_i.h"
+
+/**
+ * Expand the cipher key into the decryption key schedule.
+ *
+ * @return	the number of rounds for the given cipher key size.
+ */
+void rijndaelKeySetupDec(u32 rk[/*44*/], const u8 cipherKey[])
+{
+	int Nr = 10, i, j;
+	u32 temp;
+
+	/* expand the cipher key: */
+	rijndaelKeySetupEnc(rk, cipherKey);
+	/* invert the order of the round keys: */
+	for (i = 0, j = 4*Nr; i < j; i += 4, j -= 4) {
+		temp = rk[i    ]; rk[i    ] = rk[j    ]; rk[j    ] = temp;
+		temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
+		temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
+		temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
+	}
+	/* apply the inverse MixColumn transform to all round keys but the
+	 * first and the last: */
+	for (i = 1; i < Nr; i++) {
+		rk += 4;
+		for (j = 0; j < 4; j++) {
+			rk[j] = TD0_(TE4((rk[j] >> 24)       )) ^
+				TD1_(TE4((rk[j] >> 16) & 0xff)) ^
+				TD2_(TE4((rk[j] >>  8) & 0xff)) ^
+				TD3_(TE4((rk[j]      ) & 0xff));
+		}
+	}
+}
+
+void * aes_decrypt_init(const u8 *key, size_t len)
+{
+	u32 *rk;
+	if (len != 16)
+		return NULL;
+	rk = os_malloc(AES_PRIV_SIZE);
+	if (rk == NULL)
+		return NULL;
+	rijndaelKeySetupDec(rk, key);
+	return rk;
+}
+
+static void rijndaelDecrypt(const u32 rk[/*44*/], const u8 ct[16], u8 pt[16])
+{
+	u32 s0, s1, s2, s3, t0, t1, t2, t3;
+	const int Nr = 10;
+#ifndef FULL_UNROLL
+	int r;
+#endif /* ?FULL_UNROLL */
+
+	/*
+	 * map byte array block to cipher state
+	 * and add initial round key:
+	 */
+	s0 = GETU32(ct     ) ^ rk[0];
+	s1 = GETU32(ct +  4) ^ rk[1];
+	s2 = GETU32(ct +  8) ^ rk[2];
+	s3 = GETU32(ct + 12) ^ rk[3];
+
+#define ROUND(i,d,s) \
+d##0 = TD0(s##0) ^ TD1(s##3) ^ TD2(s##2) ^ TD3(s##1) ^ rk[4 * i]; \
+d##1 = TD0(s##1) ^ TD1(s##0) ^ TD2(s##3) ^ TD3(s##2) ^ rk[4 * i + 1]; \
+d##2 = TD0(s##2) ^ TD1(s##1) ^ TD2(s##0) ^ TD3(s##3) ^ rk[4 * i + 2]; \
+d##3 = TD0(s##3) ^ TD1(s##2) ^ TD2(s##1) ^ TD3(s##0) ^ rk[4 * i + 3]
+
+#ifdef FULL_UNROLL
+
+	ROUND(1,t,s);
+	ROUND(2,s,t);
+	ROUND(3,t,s);
+	ROUND(4,s,t);
+	ROUND(5,t,s);
+	ROUND(6,s,t);
+	ROUND(7,t,s);
+	ROUND(8,s,t);
+	ROUND(9,t,s);
+
+	rk += Nr << 2;
+
+#else  /* !FULL_UNROLL */
+
+	/* Nr - 1 full rounds: */
+	r = Nr >> 1;
+	for (;;) {
+		ROUND(1,t,s);
+		rk += 8;
+		if (--r == 0)
+			break;
+		ROUND(0,s,t);
+	}
+
+#endif /* ?FULL_UNROLL */
+
+#undef ROUND
+
+	/*
+	 * apply last round and
+	 * map cipher state to byte array block:
+	 */
+	s0 = TD41(t0) ^ TD42(t3) ^ TD43(t2) ^ TD44(t1) ^ rk[0];
+	PUTU32(pt     , s0);
+	s1 = TD41(t1) ^ TD42(t0) ^ TD43(t3) ^ TD44(t2) ^ rk[1];
+	PUTU32(pt +  4, s1);
+	s2 = TD41(t2) ^ TD42(t1) ^ TD43(t0) ^ TD44(t3) ^ rk[2];
+	PUTU32(pt +  8, s2);
+	s3 = TD41(t3) ^ TD42(t2) ^ TD43(t1) ^ TD44(t0) ^ rk[3];
+	PUTU32(pt + 12, s3);
+}
+
+void aes_decrypt(void *ctx, const u8 *crypt, u8 *plain)
+{
+	rijndaelDecrypt(ctx, crypt, plain);
+}
+
+
+void aes_decrypt_deinit(void *ctx)
+{
+	os_memset(ctx, 0, AES_PRIV_SIZE);
+	os_free(ctx);
+}
diff --git a/src/crypto/aes-internal-enc.c b/src/crypto/aes-internal-enc.c
new file mode 100644
index 0000000..2f19826
--- /dev/null
+++ b/src/crypto/aes-internal-enc.c
@@ -0,0 +1,121 @@
+/*
+ * AES (Rijndael) cipher - encrypt
+ *
+ * Modifications to public domain implementation:
+ * - support only 128-bit keys
+ * - cleanup
+ * - use C pre-processor to make it easier to change S table access
+ * - added option (AES_SMALL_TABLES) for reducing code size by about 8 kB at
+ *   cost of reduced throughput (quite small difference on Pentium 4,
+ *   10-25% when using -O1 or -O2 optimization)
+ *
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto.h"
+#include "aes_i.h"
+
+void rijndaelEncrypt(const u32 rk[/*44*/], const u8 pt[16], u8 ct[16])
+{
+	u32 s0, s1, s2, s3, t0, t1, t2, t3;
+	const int Nr = 10;
+#ifndef FULL_UNROLL
+	int r;
+#endif /* ?FULL_UNROLL */
+
+	/*
+	 * map byte array block to cipher state
+	 * and add initial round key:
+	 */
+	s0 = GETU32(pt     ) ^ rk[0];
+	s1 = GETU32(pt +  4) ^ rk[1];
+	s2 = GETU32(pt +  8) ^ rk[2];
+	s3 = GETU32(pt + 12) ^ rk[3];
+
+#define ROUND(i,d,s) \
+d##0 = TE0(s##0) ^ TE1(s##1) ^ TE2(s##2) ^ TE3(s##3) ^ rk[4 * i]; \
+d##1 = TE0(s##1) ^ TE1(s##2) ^ TE2(s##3) ^ TE3(s##0) ^ rk[4 * i + 1]; \
+d##2 = TE0(s##2) ^ TE1(s##3) ^ TE2(s##0) ^ TE3(s##1) ^ rk[4 * i + 2]; \
+d##3 = TE0(s##3) ^ TE1(s##0) ^ TE2(s##1) ^ TE3(s##2) ^ rk[4 * i + 3]
+
+#ifdef FULL_UNROLL
+
+	ROUND(1,t,s);
+	ROUND(2,s,t);
+	ROUND(3,t,s);
+	ROUND(4,s,t);
+	ROUND(5,t,s);
+	ROUND(6,s,t);
+	ROUND(7,t,s);
+	ROUND(8,s,t);
+	ROUND(9,t,s);
+
+	rk += Nr << 2;
+
+#else  /* !FULL_UNROLL */
+
+	/* Nr - 1 full rounds: */
+	r = Nr >> 1;
+	for (;;) {
+		ROUND(1,t,s);
+		rk += 8;
+		if (--r == 0)
+			break;
+		ROUND(0,s,t);
+	}
+
+#endif /* ?FULL_UNROLL */
+
+#undef ROUND
+
+	/*
+	 * apply last round and
+	 * map cipher state to byte array block:
+	 */
+	s0 = TE41(t0) ^ TE42(t1) ^ TE43(t2) ^ TE44(t3) ^ rk[0];
+	PUTU32(ct     , s0);
+	s1 = TE41(t1) ^ TE42(t2) ^ TE43(t3) ^ TE44(t0) ^ rk[1];
+	PUTU32(ct +  4, s1);
+	s2 = TE41(t2) ^ TE42(t3) ^ TE43(t0) ^ TE44(t1) ^ rk[2];
+	PUTU32(ct +  8, s2);
+	s3 = TE41(t3) ^ TE42(t0) ^ TE43(t1) ^ TE44(t2) ^ rk[3];
+	PUTU32(ct + 12, s3);
+}
+
+
+void * aes_encrypt_init(const u8 *key, size_t len)
+{
+	u32 *rk;
+	if (len != 16)
+		return NULL;
+	rk = os_malloc(AES_PRIV_SIZE);
+	if (rk == NULL)
+		return NULL;
+	rijndaelKeySetupEnc(rk, key);
+	return rk;
+}
+
+
+void aes_encrypt(void *ctx, const u8 *plain, u8 *crypt)
+{
+	rijndaelEncrypt(ctx, plain, crypt);
+}
+
+
+void aes_encrypt_deinit(void *ctx)
+{
+	os_memset(ctx, 0, AES_PRIV_SIZE);
+	os_free(ctx);
+}
diff --git a/src/crypto/aes-internal.c b/src/crypto/aes-internal.c
new file mode 100644
index 0000000..4161220
--- /dev/null
+++ b/src/crypto/aes-internal.c
@@ -0,0 +1,805 @@
+/*
+ * AES (Rijndael) cipher
+ *
+ * Modifications to public domain implementation:
+ * - support only 128-bit keys
+ * - cleanup
+ * - use C pre-processor to make it easier to change S table access
+ * - added option (AES_SMALL_TABLES) for reducing code size by about 8 kB at
+ *   cost of reduced throughput (quite small difference on Pentium 4,
+ *   10-25% when using -O1 or -O2 optimization)
+ *
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto.h"
+#include "aes_i.h"
+
+/*
+ * rijndael-alg-fst.c
+ *
+ * @version 3.0 (December 2000)
+ *
+ * Optimised ANSI C code for the Rijndael cipher (now AES)
+ *
+ * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
+ * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
+ * @author Paulo Barreto <paulo.barreto@terra.com.br>
+ *
+ * This code is hereby placed in the public domain.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+/*
+Te0[x] = S [x].[02, 01, 01, 03];
+Te1[x] = S [x].[03, 02, 01, 01];
+Te2[x] = S [x].[01, 03, 02, 01];
+Te3[x] = S [x].[01, 01, 03, 02];
+Te4[x] = S [x].[01, 01, 01, 01];
+
+Td0[x] = Si[x].[0e, 09, 0d, 0b];
+Td1[x] = Si[x].[0b, 0e, 09, 0d];
+Td2[x] = Si[x].[0d, 0b, 0e, 09];
+Td3[x] = Si[x].[09, 0d, 0b, 0e];
+Td4[x] = Si[x].[01, 01, 01, 01];
+*/
+
+const u32 Te0[256] = {
+    0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
+    0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
+    0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
+    0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
+    0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
+    0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
+    0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
+    0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
+    0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
+    0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
+    0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
+    0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
+    0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
+    0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
+    0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
+    0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
+    0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
+    0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
+    0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
+    0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
+    0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
+    0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
+    0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
+    0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
+    0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
+    0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
+    0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
+    0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
+    0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
+    0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
+    0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
+    0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
+    0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
+    0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
+    0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
+    0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
+    0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
+    0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
+    0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
+    0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
+    0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
+    0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
+    0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
+    0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
+    0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
+    0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
+    0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
+    0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
+    0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
+    0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
+    0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
+    0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
+    0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
+    0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
+    0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
+    0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
+    0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
+    0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
+    0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
+    0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
+    0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
+    0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
+    0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
+    0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
+};
+#ifndef AES_SMALL_TABLES
+const u32 Te1[256] = {
+    0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
+    0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
+    0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
+    0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
+    0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
+    0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
+    0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
+    0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
+    0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
+    0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
+    0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
+    0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
+    0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
+    0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
+    0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
+    0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
+    0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
+    0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
+    0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
+    0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
+    0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
+    0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
+    0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
+    0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
+    0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
+    0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
+    0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
+    0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
+    0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
+    0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
+    0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
+    0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
+    0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
+    0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
+    0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
+    0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
+    0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
+    0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
+    0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
+    0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
+    0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
+    0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
+    0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
+    0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
+    0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
+    0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
+    0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
+    0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
+    0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
+    0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
+    0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
+    0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
+    0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
+    0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
+    0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
+    0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
+    0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
+    0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
+    0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
+    0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
+    0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
+    0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
+    0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
+    0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
+};
+const u32 Te2[256] = {
+    0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
+    0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
+    0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
+    0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
+    0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
+    0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
+    0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
+    0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
+    0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
+    0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
+    0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
+    0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
+    0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
+    0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
+    0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
+    0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
+    0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
+    0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
+    0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
+    0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
+    0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
+    0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
+    0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
+    0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
+    0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
+    0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
+    0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
+    0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
+    0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
+    0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
+    0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
+    0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
+    0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
+    0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
+    0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
+    0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
+    0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
+    0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
+    0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
+    0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
+    0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
+    0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
+    0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
+    0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
+    0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
+    0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
+    0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
+    0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
+    0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
+    0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
+    0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
+    0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
+    0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
+    0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
+    0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
+    0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
+    0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
+    0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
+    0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
+    0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
+    0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
+    0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
+    0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
+    0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
+};
+const u32 Te3[256] = {
+
+    0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
+    0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
+    0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
+    0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
+    0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
+    0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
+    0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
+    0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
+    0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
+    0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
+    0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
+    0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
+    0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
+    0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
+    0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
+    0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
+    0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
+    0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
+    0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
+    0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
+    0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
+    0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
+    0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
+    0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
+    0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
+    0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
+    0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
+    0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
+    0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
+    0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
+    0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
+    0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
+    0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
+    0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
+    0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
+    0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
+    0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
+    0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
+    0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
+    0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
+    0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
+    0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
+    0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
+    0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
+    0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
+    0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
+    0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
+    0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
+    0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
+    0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
+    0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
+    0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
+    0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
+    0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
+    0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
+    0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
+    0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
+    0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
+    0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
+    0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
+    0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
+    0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
+    0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
+    0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
+};
+const u32 Te4[256] = {
+    0x63636363U, 0x7c7c7c7cU, 0x77777777U, 0x7b7b7b7bU,
+    0xf2f2f2f2U, 0x6b6b6b6bU, 0x6f6f6f6fU, 0xc5c5c5c5U,
+    0x30303030U, 0x01010101U, 0x67676767U, 0x2b2b2b2bU,
+    0xfefefefeU, 0xd7d7d7d7U, 0xababababU, 0x76767676U,
+    0xcacacacaU, 0x82828282U, 0xc9c9c9c9U, 0x7d7d7d7dU,
+    0xfafafafaU, 0x59595959U, 0x47474747U, 0xf0f0f0f0U,
+    0xadadadadU, 0xd4d4d4d4U, 0xa2a2a2a2U, 0xafafafafU,
+    0x9c9c9c9cU, 0xa4a4a4a4U, 0x72727272U, 0xc0c0c0c0U,
+    0xb7b7b7b7U, 0xfdfdfdfdU, 0x93939393U, 0x26262626U,
+    0x36363636U, 0x3f3f3f3fU, 0xf7f7f7f7U, 0xccccccccU,
+    0x34343434U, 0xa5a5a5a5U, 0xe5e5e5e5U, 0xf1f1f1f1U,
+    0x71717171U, 0xd8d8d8d8U, 0x31313131U, 0x15151515U,
+    0x04040404U, 0xc7c7c7c7U, 0x23232323U, 0xc3c3c3c3U,
+    0x18181818U, 0x96969696U, 0x05050505U, 0x9a9a9a9aU,
+    0x07070707U, 0x12121212U, 0x80808080U, 0xe2e2e2e2U,
+    0xebebebebU, 0x27272727U, 0xb2b2b2b2U, 0x75757575U,
+    0x09090909U, 0x83838383U, 0x2c2c2c2cU, 0x1a1a1a1aU,
+    0x1b1b1b1bU, 0x6e6e6e6eU, 0x5a5a5a5aU, 0xa0a0a0a0U,
+    0x52525252U, 0x3b3b3b3bU, 0xd6d6d6d6U, 0xb3b3b3b3U,
+    0x29292929U, 0xe3e3e3e3U, 0x2f2f2f2fU, 0x84848484U,
+    0x53535353U, 0xd1d1d1d1U, 0x00000000U, 0xededededU,
+    0x20202020U, 0xfcfcfcfcU, 0xb1b1b1b1U, 0x5b5b5b5bU,
+    0x6a6a6a6aU, 0xcbcbcbcbU, 0xbebebebeU, 0x39393939U,
+    0x4a4a4a4aU, 0x4c4c4c4cU, 0x58585858U, 0xcfcfcfcfU,
+    0xd0d0d0d0U, 0xefefefefU, 0xaaaaaaaaU, 0xfbfbfbfbU,
+    0x43434343U, 0x4d4d4d4dU, 0x33333333U, 0x85858585U,
+    0x45454545U, 0xf9f9f9f9U, 0x02020202U, 0x7f7f7f7fU,
+    0x50505050U, 0x3c3c3c3cU, 0x9f9f9f9fU, 0xa8a8a8a8U,
+    0x51515151U, 0xa3a3a3a3U, 0x40404040U, 0x8f8f8f8fU,
+    0x92929292U, 0x9d9d9d9dU, 0x38383838U, 0xf5f5f5f5U,
+    0xbcbcbcbcU, 0xb6b6b6b6U, 0xdadadadaU, 0x21212121U,
+    0x10101010U, 0xffffffffU, 0xf3f3f3f3U, 0xd2d2d2d2U,
+    0xcdcdcdcdU, 0x0c0c0c0cU, 0x13131313U, 0xececececU,
+    0x5f5f5f5fU, 0x97979797U, 0x44444444U, 0x17171717U,
+    0xc4c4c4c4U, 0xa7a7a7a7U, 0x7e7e7e7eU, 0x3d3d3d3dU,
+    0x64646464U, 0x5d5d5d5dU, 0x19191919U, 0x73737373U,
+    0x60606060U, 0x81818181U, 0x4f4f4f4fU, 0xdcdcdcdcU,
+    0x22222222U, 0x2a2a2a2aU, 0x90909090U, 0x88888888U,
+    0x46464646U, 0xeeeeeeeeU, 0xb8b8b8b8U, 0x14141414U,
+    0xdedededeU, 0x5e5e5e5eU, 0x0b0b0b0bU, 0xdbdbdbdbU,
+    0xe0e0e0e0U, 0x32323232U, 0x3a3a3a3aU, 0x0a0a0a0aU,
+    0x49494949U, 0x06060606U, 0x24242424U, 0x5c5c5c5cU,
+    0xc2c2c2c2U, 0xd3d3d3d3U, 0xacacacacU, 0x62626262U,
+    0x91919191U, 0x95959595U, 0xe4e4e4e4U, 0x79797979U,
+    0xe7e7e7e7U, 0xc8c8c8c8U, 0x37373737U, 0x6d6d6d6dU,
+    0x8d8d8d8dU, 0xd5d5d5d5U, 0x4e4e4e4eU, 0xa9a9a9a9U,
+    0x6c6c6c6cU, 0x56565656U, 0xf4f4f4f4U, 0xeaeaeaeaU,
+    0x65656565U, 0x7a7a7a7aU, 0xaeaeaeaeU, 0x08080808U,
+    0xbabababaU, 0x78787878U, 0x25252525U, 0x2e2e2e2eU,
+    0x1c1c1c1cU, 0xa6a6a6a6U, 0xb4b4b4b4U, 0xc6c6c6c6U,
+    0xe8e8e8e8U, 0xddddddddU, 0x74747474U, 0x1f1f1f1fU,
+    0x4b4b4b4bU, 0xbdbdbdbdU, 0x8b8b8b8bU, 0x8a8a8a8aU,
+    0x70707070U, 0x3e3e3e3eU, 0xb5b5b5b5U, 0x66666666U,
+    0x48484848U, 0x03030303U, 0xf6f6f6f6U, 0x0e0e0e0eU,
+    0x61616161U, 0x35353535U, 0x57575757U, 0xb9b9b9b9U,
+    0x86868686U, 0xc1c1c1c1U, 0x1d1d1d1dU, 0x9e9e9e9eU,
+    0xe1e1e1e1U, 0xf8f8f8f8U, 0x98989898U, 0x11111111U,
+    0x69696969U, 0xd9d9d9d9U, 0x8e8e8e8eU, 0x94949494U,
+    0x9b9b9b9bU, 0x1e1e1e1eU, 0x87878787U, 0xe9e9e9e9U,
+    0xcecececeU, 0x55555555U, 0x28282828U, 0xdfdfdfdfU,
+    0x8c8c8c8cU, 0xa1a1a1a1U, 0x89898989U, 0x0d0d0d0dU,
+    0xbfbfbfbfU, 0xe6e6e6e6U, 0x42424242U, 0x68686868U,
+    0x41414141U, 0x99999999U, 0x2d2d2d2dU, 0x0f0f0f0fU,
+    0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U,
+};
+#endif /* AES_SMALL_TABLES */
+const u32 Td0[256] = {
+    0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
+    0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
+    0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
+    0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
+    0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
+    0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
+    0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
+    0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
+    0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
+    0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
+    0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
+    0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
+    0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
+    0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
+    0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
+    0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
+    0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
+    0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
+    0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
+    0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
+    0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
+    0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
+    0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
+    0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
+    0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
+    0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
+    0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
+    0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
+    0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
+    0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
+    0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
+    0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
+    0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
+    0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
+    0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
+    0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
+    0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
+    0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
+    0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
+    0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
+    0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
+    0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
+    0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
+    0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
+    0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
+    0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
+    0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
+    0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
+    0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
+    0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
+    0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
+    0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
+    0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
+    0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
+    0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
+    0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
+    0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
+    0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
+    0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
+    0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
+    0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
+    0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
+    0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
+    0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
+};
+#ifndef AES_SMALL_TABLES
+const u32 Td1[256] = {
+    0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
+    0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
+    0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
+    0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
+    0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
+    0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
+    0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
+    0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
+    0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
+    0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
+    0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
+    0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
+    0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
+    0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
+    0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
+    0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
+    0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
+    0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
+    0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
+    0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
+    0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
+    0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
+    0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
+    0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
+    0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
+    0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
+    0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
+    0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
+    0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
+    0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
+    0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
+    0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
+    0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
+    0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
+    0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
+    0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
+    0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
+    0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
+    0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
+    0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
+    0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
+    0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
+    0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
+    0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
+    0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
+    0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
+    0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
+    0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
+    0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
+    0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
+    0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
+    0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
+    0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
+    0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
+    0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
+    0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
+    0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
+    0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
+    0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
+    0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
+    0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
+    0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
+    0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
+    0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U,
+};
+const u32 Td2[256] = {
+    0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
+    0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
+    0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
+    0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
+    0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
+    0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
+    0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
+    0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
+    0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
+    0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
+    0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
+    0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
+    0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
+    0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
+    0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
+    0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
+    0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
+    0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
+    0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
+    0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
+
+    0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
+    0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
+    0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
+    0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U,
+    0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U,
+    0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU,
+    0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU,
+    0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U,
+    0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU,
+    0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U,
+    0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU,
+    0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU,
+    0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU,
+    0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU,
+    0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U,
+    0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U,
+    0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U,
+    0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U,
+    0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U,
+    0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U,
+    0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U,
+    0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU,
+    0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU,
+    0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U,
+    0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U,
+    0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU,
+    0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU,
+    0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U,
+    0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U,
+    0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U,
+    0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U,
+    0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U,
+    0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U,
+    0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U,
+    0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU,
+    0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U,
+    0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U,
+    0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U,
+    0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U,
+    0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U,
+    0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U,
+    0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU,
+    0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U,
+    0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U,
+};
+const u32 Td3[256] = {
+    0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU,
+    0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU,
+    0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U,
+    0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U,
+    0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU,
+    0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU,
+    0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U,
+    0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU,
+    0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U,
+    0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU,
+    0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U,
+    0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U,
+    0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U,
+    0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U,
+    0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U,
+    0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU,
+    0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU,
+    0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U,
+    0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U,
+    0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU,
+    0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU,
+    0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U,
+    0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U,
+    0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U,
+    0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
+    0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
+    0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
+    0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
+    0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
+    0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
+    0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
+    0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
+    0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
+    0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
+    0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
+    0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
+    0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
+    0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
+    0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
+    0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
+    0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
+    0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
+    0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
+    0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
+    0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
+    0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
+    0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
+    0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
+    0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
+    0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
+    0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
+    0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
+    0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
+    0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
+    0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
+    0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
+    0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
+    0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
+    0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
+    0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
+    0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
+    0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
+    0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
+    0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U,
+};
+const u32 Td4[256] = {
+    0x52525252U, 0x09090909U, 0x6a6a6a6aU, 0xd5d5d5d5U,
+    0x30303030U, 0x36363636U, 0xa5a5a5a5U, 0x38383838U,
+    0xbfbfbfbfU, 0x40404040U, 0xa3a3a3a3U, 0x9e9e9e9eU,
+    0x81818181U, 0xf3f3f3f3U, 0xd7d7d7d7U, 0xfbfbfbfbU,
+    0x7c7c7c7cU, 0xe3e3e3e3U, 0x39393939U, 0x82828282U,
+    0x9b9b9b9bU, 0x2f2f2f2fU, 0xffffffffU, 0x87878787U,
+    0x34343434U, 0x8e8e8e8eU, 0x43434343U, 0x44444444U,
+    0xc4c4c4c4U, 0xdedededeU, 0xe9e9e9e9U, 0xcbcbcbcbU,
+    0x54545454U, 0x7b7b7b7bU, 0x94949494U, 0x32323232U,
+    0xa6a6a6a6U, 0xc2c2c2c2U, 0x23232323U, 0x3d3d3d3dU,
+    0xeeeeeeeeU, 0x4c4c4c4cU, 0x95959595U, 0x0b0b0b0bU,
+    0x42424242U, 0xfafafafaU, 0xc3c3c3c3U, 0x4e4e4e4eU,
+    0x08080808U, 0x2e2e2e2eU, 0xa1a1a1a1U, 0x66666666U,
+    0x28282828U, 0xd9d9d9d9U, 0x24242424U, 0xb2b2b2b2U,
+    0x76767676U, 0x5b5b5b5bU, 0xa2a2a2a2U, 0x49494949U,
+    0x6d6d6d6dU, 0x8b8b8b8bU, 0xd1d1d1d1U, 0x25252525U,
+    0x72727272U, 0xf8f8f8f8U, 0xf6f6f6f6U, 0x64646464U,
+    0x86868686U, 0x68686868U, 0x98989898U, 0x16161616U,
+    0xd4d4d4d4U, 0xa4a4a4a4U, 0x5c5c5c5cU, 0xccccccccU,
+    0x5d5d5d5dU, 0x65656565U, 0xb6b6b6b6U, 0x92929292U,
+    0x6c6c6c6cU, 0x70707070U, 0x48484848U, 0x50505050U,
+    0xfdfdfdfdU, 0xededededU, 0xb9b9b9b9U, 0xdadadadaU,
+    0x5e5e5e5eU, 0x15151515U, 0x46464646U, 0x57575757U,
+    0xa7a7a7a7U, 0x8d8d8d8dU, 0x9d9d9d9dU, 0x84848484U,
+    0x90909090U, 0xd8d8d8d8U, 0xababababU, 0x00000000U,
+    0x8c8c8c8cU, 0xbcbcbcbcU, 0xd3d3d3d3U, 0x0a0a0a0aU,
+    0xf7f7f7f7U, 0xe4e4e4e4U, 0x58585858U, 0x05050505U,
+    0xb8b8b8b8U, 0xb3b3b3b3U, 0x45454545U, 0x06060606U,
+    0xd0d0d0d0U, 0x2c2c2c2cU, 0x1e1e1e1eU, 0x8f8f8f8fU,
+    0xcacacacaU, 0x3f3f3f3fU, 0x0f0f0f0fU, 0x02020202U,
+    0xc1c1c1c1U, 0xafafafafU, 0xbdbdbdbdU, 0x03030303U,
+    0x01010101U, 0x13131313U, 0x8a8a8a8aU, 0x6b6b6b6bU,
+    0x3a3a3a3aU, 0x91919191U, 0x11111111U, 0x41414141U,
+    0x4f4f4f4fU, 0x67676767U, 0xdcdcdcdcU, 0xeaeaeaeaU,
+    0x97979797U, 0xf2f2f2f2U, 0xcfcfcfcfU, 0xcecececeU,
+    0xf0f0f0f0U, 0xb4b4b4b4U, 0xe6e6e6e6U, 0x73737373U,
+    0x96969696U, 0xacacacacU, 0x74747474U, 0x22222222U,
+    0xe7e7e7e7U, 0xadadadadU, 0x35353535U, 0x85858585U,
+    0xe2e2e2e2U, 0xf9f9f9f9U, 0x37373737U, 0xe8e8e8e8U,
+    0x1c1c1c1cU, 0x75757575U, 0xdfdfdfdfU, 0x6e6e6e6eU,
+    0x47474747U, 0xf1f1f1f1U, 0x1a1a1a1aU, 0x71717171U,
+    0x1d1d1d1dU, 0x29292929U, 0xc5c5c5c5U, 0x89898989U,
+    0x6f6f6f6fU, 0xb7b7b7b7U, 0x62626262U, 0x0e0e0e0eU,
+    0xaaaaaaaaU, 0x18181818U, 0xbebebebeU, 0x1b1b1b1bU,
+    0xfcfcfcfcU, 0x56565656U, 0x3e3e3e3eU, 0x4b4b4b4bU,
+    0xc6c6c6c6U, 0xd2d2d2d2U, 0x79797979U, 0x20202020U,
+    0x9a9a9a9aU, 0xdbdbdbdbU, 0xc0c0c0c0U, 0xfefefefeU,
+    0x78787878U, 0xcdcdcdcdU, 0x5a5a5a5aU, 0xf4f4f4f4U,
+    0x1f1f1f1fU, 0xddddddddU, 0xa8a8a8a8U, 0x33333333U,
+    0x88888888U, 0x07070707U, 0xc7c7c7c7U, 0x31313131U,
+    0xb1b1b1b1U, 0x12121212U, 0x10101010U, 0x59595959U,
+    0x27272727U, 0x80808080U, 0xececececU, 0x5f5f5f5fU,
+    0x60606060U, 0x51515151U, 0x7f7f7f7fU, 0xa9a9a9a9U,
+    0x19191919U, 0xb5b5b5b5U, 0x4a4a4a4aU, 0x0d0d0d0dU,
+    0x2d2d2d2dU, 0xe5e5e5e5U, 0x7a7a7a7aU, 0x9f9f9f9fU,
+    0x93939393U, 0xc9c9c9c9U, 0x9c9c9c9cU, 0xefefefefU,
+    0xa0a0a0a0U, 0xe0e0e0e0U, 0x3b3b3b3bU, 0x4d4d4d4dU,
+    0xaeaeaeaeU, 0x2a2a2a2aU, 0xf5f5f5f5U, 0xb0b0b0b0U,
+    0xc8c8c8c8U, 0xebebebebU, 0xbbbbbbbbU, 0x3c3c3c3cU,
+    0x83838383U, 0x53535353U, 0x99999999U, 0x61616161U,
+    0x17171717U, 0x2b2b2b2bU, 0x04040404U, 0x7e7e7e7eU,
+    0xbabababaU, 0x77777777U, 0xd6d6d6d6U, 0x26262626U,
+    0xe1e1e1e1U, 0x69696969U, 0x14141414U, 0x63636363U,
+    0x55555555U, 0x21212121U, 0x0c0c0c0cU, 0x7d7d7d7dU,
+};
+const u32 rcon[] = {
+	0x01000000, 0x02000000, 0x04000000, 0x08000000,
+	0x10000000, 0x20000000, 0x40000000, 0x80000000,
+	0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
+};
+#else /* AES_SMALL_TABLES */
+const u8 Td4s[256] = {
+    0x52U, 0x09U, 0x6aU, 0xd5U, 0x30U, 0x36U, 0xa5U, 0x38U,
+    0xbfU, 0x40U, 0xa3U, 0x9eU, 0x81U, 0xf3U, 0xd7U, 0xfbU,
+    0x7cU, 0xe3U, 0x39U, 0x82U, 0x9bU, 0x2fU, 0xffU, 0x87U,
+    0x34U, 0x8eU, 0x43U, 0x44U, 0xc4U, 0xdeU, 0xe9U, 0xcbU,
+    0x54U, 0x7bU, 0x94U, 0x32U, 0xa6U, 0xc2U, 0x23U, 0x3dU,
+    0xeeU, 0x4cU, 0x95U, 0x0bU, 0x42U, 0xfaU, 0xc3U, 0x4eU,
+    0x08U, 0x2eU, 0xa1U, 0x66U, 0x28U, 0xd9U, 0x24U, 0xb2U,
+    0x76U, 0x5bU, 0xa2U, 0x49U, 0x6dU, 0x8bU, 0xd1U, 0x25U,
+    0x72U, 0xf8U, 0xf6U, 0x64U, 0x86U, 0x68U, 0x98U, 0x16U,
+    0xd4U, 0xa4U, 0x5cU, 0xccU, 0x5dU, 0x65U, 0xb6U, 0x92U,
+    0x6cU, 0x70U, 0x48U, 0x50U, 0xfdU, 0xedU, 0xb9U, 0xdaU,
+    0x5eU, 0x15U, 0x46U, 0x57U, 0xa7U, 0x8dU, 0x9dU, 0x84U,
+    0x90U, 0xd8U, 0xabU, 0x00U, 0x8cU, 0xbcU, 0xd3U, 0x0aU,
+    0xf7U, 0xe4U, 0x58U, 0x05U, 0xb8U, 0xb3U, 0x45U, 0x06U,
+    0xd0U, 0x2cU, 0x1eU, 0x8fU, 0xcaU, 0x3fU, 0x0fU, 0x02U,
+    0xc1U, 0xafU, 0xbdU, 0x03U, 0x01U, 0x13U, 0x8aU, 0x6bU,
+    0x3aU, 0x91U, 0x11U, 0x41U, 0x4fU, 0x67U, 0xdcU, 0xeaU,
+    0x97U, 0xf2U, 0xcfU, 0xceU, 0xf0U, 0xb4U, 0xe6U, 0x73U,
+    0x96U, 0xacU, 0x74U, 0x22U, 0xe7U, 0xadU, 0x35U, 0x85U,
+    0xe2U, 0xf9U, 0x37U, 0xe8U, 0x1cU, 0x75U, 0xdfU, 0x6eU,
+    0x47U, 0xf1U, 0x1aU, 0x71U, 0x1dU, 0x29U, 0xc5U, 0x89U,
+    0x6fU, 0xb7U, 0x62U, 0x0eU, 0xaaU, 0x18U, 0xbeU, 0x1bU,
+    0xfcU, 0x56U, 0x3eU, 0x4bU, 0xc6U, 0xd2U, 0x79U, 0x20U,
+    0x9aU, 0xdbU, 0xc0U, 0xfeU, 0x78U, 0xcdU, 0x5aU, 0xf4U,
+    0x1fU, 0xddU, 0xa8U, 0x33U, 0x88U, 0x07U, 0xc7U, 0x31U,
+    0xb1U, 0x12U, 0x10U, 0x59U, 0x27U, 0x80U, 0xecU, 0x5fU,
+    0x60U, 0x51U, 0x7fU, 0xa9U, 0x19U, 0xb5U, 0x4aU, 0x0dU,
+    0x2dU, 0xe5U, 0x7aU, 0x9fU, 0x93U, 0xc9U, 0x9cU, 0xefU,
+    0xa0U, 0xe0U, 0x3bU, 0x4dU, 0xaeU, 0x2aU, 0xf5U, 0xb0U,
+    0xc8U, 0xebU, 0xbbU, 0x3cU, 0x83U, 0x53U, 0x99U, 0x61U,
+    0x17U, 0x2bU, 0x04U, 0x7eU, 0xbaU, 0x77U, 0xd6U, 0x26U,
+    0xe1U, 0x69U, 0x14U, 0x63U, 0x55U, 0x21U, 0x0cU, 0x7dU,
+};
+const u8 rcons[] = {
+	0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1B, 0x36
+	/* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
+};
+#endif /* AES_SMALL_TABLES */
+/**
+ * Expand the cipher key into the encryption key schedule.
+ *
+ * @return	the number of rounds for the given cipher key size.
+ */
+void rijndaelKeySetupEnc(u32 rk[/*44*/], const u8 cipherKey[])
+{
+	int i;
+	u32 temp;
+
+	rk[0] = GETU32(cipherKey     );
+	rk[1] = GETU32(cipherKey +  4);
+	rk[2] = GETU32(cipherKey +  8);
+	rk[3] = GETU32(cipherKey + 12);
+	for (i = 0; i < 10; i++) {
+		temp  = rk[3];
+		rk[4] = rk[0] ^
+			TE421(temp) ^ TE432(temp) ^ TE443(temp) ^ TE414(temp) ^
+			RCON(i);
+		rk[5] = rk[1] ^ rk[4];
+		rk[6] = rk[2] ^ rk[5];
+		rk[7] = rk[3] ^ rk[6];
+		rk += 4;
+	}
+}
diff --git a/src/crypto/aes-omac1.c b/src/crypto/aes-omac1.c
new file mode 100644
index 0000000..f775296
--- /dev/null
+++ b/src/crypto/aes-omac1.c
@@ -0,0 +1,124 @@
+/*
+ * One-key CBC MAC (OMAC1) hash with AES-128
+ *
+ * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "aes.h"
+#include "aes_wrap.h"
+
+static void gf_mulx(u8 *pad)
+{
+	int i, carry;
+
+	carry = pad[0] & 0x80;
+	for (i = 0; i < AES_BLOCK_SIZE - 1; i++)
+		pad[i] = (pad[i] << 1) | (pad[i + 1] >> 7);
+	pad[AES_BLOCK_SIZE - 1] <<= 1;
+	if (carry)
+		pad[AES_BLOCK_SIZE - 1] ^= 0x87;
+}
+
+
+/**
+ * omac1_aes_128_vector - One-Key CBC MAC (OMAC1) hash with AES-128
+ * @key: 128-bit key for the hash operation
+ * @num_elem: Number of elements in the data vector
+ * @addr: Pointers to the data areas
+ * @len: Lengths of the data blocks
+ * @mac: Buffer for MAC (128 bits, i.e., 16 bytes)
+ * Returns: 0 on success, -1 on failure
+ *
+ * This is a mode for using block cipher (AES in this case) for authentication.
+ * OMAC1 was standardized with the name CMAC by NIST in a Special Publication
+ * (SP) 800-38B.
+ */
+int omac1_aes_128_vector(const u8 *key, size_t num_elem,
+			 const u8 *addr[], const size_t *len, u8 *mac)
+{
+	void *ctx;
+	u8 cbc[AES_BLOCK_SIZE], pad[AES_BLOCK_SIZE];
+	const u8 *pos, *end;
+	size_t i, e, left, total_len;
+
+	ctx = aes_encrypt_init(key, 16);
+	if (ctx == NULL)
+		return -1;
+	os_memset(cbc, 0, AES_BLOCK_SIZE);
+
+	total_len = 0;
+	for (e = 0; e < num_elem; e++)
+		total_len += len[e];
+	left = total_len;
+
+	e = 0;
+	pos = addr[0];
+	end = pos + len[0];
+
+	while (left >= AES_BLOCK_SIZE) {
+		for (i = 0; i < AES_BLOCK_SIZE; i++) {
+			cbc[i] ^= *pos++;
+			if (pos >= end) {
+				e++;
+				pos = addr[e];
+				end = pos + len[e];
+			}
+		}
+		if (left > AES_BLOCK_SIZE)
+			aes_encrypt(ctx, cbc, cbc);
+		left -= AES_BLOCK_SIZE;
+	}
+
+	os_memset(pad, 0, AES_BLOCK_SIZE);
+	aes_encrypt(ctx, pad, pad);
+	gf_mulx(pad);
+
+	if (left || total_len == 0) {
+		for (i = 0; i < left; i++) {
+			cbc[i] ^= *pos++;
+			if (pos >= end) {
+				e++;
+				pos = addr[e];
+				end = pos + len[e];
+			}
+		}
+		cbc[left] ^= 0x80;
+		gf_mulx(pad);
+	}
+
+	for (i = 0; i < AES_BLOCK_SIZE; i++)
+		pad[i] ^= cbc[i];
+	aes_encrypt(ctx, pad, mac);
+	aes_encrypt_deinit(ctx);
+	return 0;
+}
+
+
+/**
+ * omac1_aes_128 - One-Key CBC MAC (OMAC1) hash with AES-128 (aka AES-CMAC)
+ * @key: 128-bit key for the hash operation
+ * @data: Data buffer for which a MAC is determined
+ * @data_len: Length of data buffer in bytes
+ * @mac: Buffer for MAC (128 bits, i.e., 16 bytes)
+ * Returns: 0 on success, -1 on failure
+ *
+ * This is a mode for using block cipher (AES in this case) for authentication.
+ * OMAC1 was standardized with the name CMAC by NIST in a Special Publication
+ * (SP) 800-38B.
+ */
+int omac1_aes_128(const u8 *key, const u8 *data, size_t data_len, u8 *mac)
+{
+	return omac1_aes_128_vector(key, 1, &data, &data_len, mac);
+}
diff --git a/src/crypto/aes-unwrap.c b/src/crypto/aes-unwrap.c
new file mode 100644
index 0000000..f233ffa
--- /dev/null
+++ b/src/crypto/aes-unwrap.c
@@ -0,0 +1,79 @@
+/*
+ * AES key unwrap (128-bit KEK, RFC3394)
+ *
+ * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "aes.h"
+#include "aes_wrap.h"
+
+/**
+ * aes_unwrap - Unwrap key with AES Key Wrap Algorithm (128-bit KEK) (RFC3394)
+ * @kek: Key encryption key (KEK)
+ * @n: Length of the plaintext key in 64-bit units; e.g., 2 = 128-bit = 16
+ * bytes
+ * @cipher: Wrapped key to be unwrapped, (n + 1) * 64 bits
+ * @plain: Plaintext key, n * 64 bits
+ * Returns: 0 on success, -1 on failure (e.g., integrity verification failed)
+ */
+int aes_unwrap(const u8 *kek, int n, const u8 *cipher, u8 *plain)
+{
+	u8 a[8], *r, b[16];
+	int i, j;
+	void *ctx;
+
+	/* 1) Initialize variables. */
+	os_memcpy(a, cipher, 8);
+	r = plain;
+	os_memcpy(r, cipher + 8, 8 * n);
+
+	ctx = aes_decrypt_init(kek, 16);
+	if (ctx == NULL)
+		return -1;
+
+	/* 2) Compute intermediate values.
+	 * For j = 5 to 0
+	 *     For i = n to 1
+	 *         B = AES-1(K, (A ^ t) | R[i]) where t = n*j+i
+	 *         A = MSB(64, B)
+	 *         R[i] = LSB(64, B)
+	 */
+	for (j = 5; j >= 0; j--) {
+		r = plain + (n - 1) * 8;
+		for (i = n; i >= 1; i--) {
+			os_memcpy(b, a, 8);
+			b[7] ^= n * j + i;
+
+			os_memcpy(b + 8, r, 8);
+			aes_decrypt(ctx, b, b);
+			os_memcpy(a, b, 8);
+			os_memcpy(r, b + 8, 8);
+			r -= 8;
+		}
+	}
+	aes_decrypt_deinit(ctx);
+
+	/* 3) Output results.
+	 *
+	 * These are already in @plain due to the location of temporary
+	 * variables. Just verify that the IV matches with the expected value.
+	 */
+	for (i = 0; i < 8; i++) {
+		if (a[i] != 0xa6)
+			return -1;
+	}
+
+	return 0;
+}
diff --git a/src/crypto/aes-wrap.c b/src/crypto/aes-wrap.c
new file mode 100644
index 0000000..28d0c89
--- /dev/null
+++ b/src/crypto/aes-wrap.c
@@ -0,0 +1,76 @@
+/*
+ * AES Key Wrap Algorithm (128-bit KEK) (RFC3394)
+ *
+ * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "aes.h"
+#include "aes_wrap.h"
+
+/**
+ * aes_wrap - Wrap keys with AES Key Wrap Algorithm (128-bit KEK) (RFC3394)
+ * @kek: 16-octet Key encryption key (KEK)
+ * @n: Length of the plaintext key in 64-bit units; e.g., 2 = 128-bit = 16
+ * bytes
+ * @plain: Plaintext key to be wrapped, n * 64 bits
+ * @cipher: Wrapped key, (n + 1) * 64 bits
+ * Returns: 0 on success, -1 on failure
+ */
+int aes_wrap(const u8 *kek, int n, const u8 *plain, u8 *cipher)
+{
+	u8 *a, *r, b[16];
+	int i, j;
+	void *ctx;
+
+	a = cipher;
+	r = cipher + 8;
+
+	/* 1) Initialize variables. */
+	os_memset(a, 0xa6, 8);
+	os_memcpy(r, plain, 8 * n);
+
+	ctx = aes_encrypt_init(kek, 16);
+	if (ctx == NULL)
+		return -1;
+
+	/* 2) Calculate intermediate values.
+	 * For j = 0 to 5
+	 *     For i=1 to n
+	 *         B = AES(K, A | R[i])
+	 *         A = MSB(64, B) ^ t where t = (n*j)+i
+	 *         R[i] = LSB(64, B)
+	 */
+	for (j = 0; j <= 5; j++) {
+		r = cipher + 8;
+		for (i = 1; i <= n; i++) {
+			os_memcpy(b, a, 8);
+			os_memcpy(b + 8, r, 8);
+			aes_encrypt(ctx, b, b);
+			os_memcpy(a, b, 8);
+			a[7] ^= n * j + i;
+			os_memcpy(r, b + 8, 8);
+			r += 8;
+		}
+	}
+	aes_encrypt_deinit(ctx);
+
+	/* 3) Output the results.
+	 *
+	 * These are already in @cipher due to the location of temporary
+	 * variables.
+	 */
+
+	return 0;
+}
diff --git a/src/crypto/aes.h b/src/crypto/aes.h
new file mode 100644
index 0000000..ba384a9
--- /dev/null
+++ b/src/crypto/aes.h
@@ -0,0 +1,27 @@
+/*
+ * AES functions
+ * Copyright (c) 2003-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef AES_H
+#define AES_H
+
+#define AES_BLOCK_SIZE 16
+
+void * aes_encrypt_init(const u8 *key, size_t len);
+void aes_encrypt(void *ctx, const u8 *plain, u8 *crypt);
+void aes_encrypt_deinit(void *ctx);
+void * aes_decrypt_init(const u8 *key, size_t len);
+void aes_decrypt(void *ctx, const u8 *crypt, u8 *plain);
+void aes_decrypt_deinit(void *ctx);
+
+#endif /* AES_H */
diff --git a/src/crypto/aes_i.h b/src/crypto/aes_i.h
new file mode 100644
index 0000000..6b40bc7
--- /dev/null
+++ b/src/crypto/aes_i.h
@@ -0,0 +1,122 @@
+/*
+ * AES (Rijndael) cipher
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef AES_I_H
+#define AES_I_H
+
+#include "aes.h"
+
+/* #define FULL_UNROLL */
+#define AES_SMALL_TABLES
+
+extern const u32 Te0[256];
+extern const u32 Te1[256];
+extern const u32 Te2[256];
+extern const u32 Te3[256];
+extern const u32 Te4[256];
+extern const u32 Td0[256];
+extern const u32 Td1[256];
+extern const u32 Td2[256];
+extern const u32 Td3[256];
+extern const u32 Td4[256];
+extern const u32 rcon[10];
+extern const u8 Td4s[256];
+extern const u8 rcons[10];
+
+#ifndef AES_SMALL_TABLES
+
+#define RCON(i) rcon[(i)]
+
+#define TE0(i) Te0[((i) >> 24) & 0xff]
+#define TE1(i) Te1[((i) >> 16) & 0xff]
+#define TE2(i) Te2[((i) >> 8) & 0xff]
+#define TE3(i) Te3[(i) & 0xff]
+#define TE41(i) (Te4[((i) >> 24) & 0xff] & 0xff000000)
+#define TE42(i) (Te4[((i) >> 16) & 0xff] & 0x00ff0000)
+#define TE43(i) (Te4[((i) >> 8) & 0xff] & 0x0000ff00)
+#define TE44(i) (Te4[(i) & 0xff] & 0x000000ff)
+#define TE421(i) (Te4[((i) >> 16) & 0xff] & 0xff000000)
+#define TE432(i) (Te4[((i) >> 8) & 0xff] & 0x00ff0000)
+#define TE443(i) (Te4[(i) & 0xff] & 0x0000ff00)
+#define TE414(i) (Te4[((i) >> 24) & 0xff] & 0x000000ff)
+#define TE4(i) (Te4[(i)] & 0x000000ff)
+
+#define TD0(i) Td0[((i) >> 24) & 0xff]
+#define TD1(i) Td1[((i) >> 16) & 0xff]
+#define TD2(i) Td2[((i) >> 8) & 0xff]
+#define TD3(i) Td3[(i) & 0xff]
+#define TD41(i) (Td4[((i) >> 24) & 0xff] & 0xff000000)
+#define TD42(i) (Td4[((i) >> 16) & 0xff] & 0x00ff0000)
+#define TD43(i) (Td4[((i) >> 8) & 0xff] & 0x0000ff00)
+#define TD44(i) (Td4[(i) & 0xff] & 0x000000ff)
+#define TD0_(i) Td0[(i) & 0xff]
+#define TD1_(i) Td1[(i) & 0xff]
+#define TD2_(i) Td2[(i) & 0xff]
+#define TD3_(i) Td3[(i) & 0xff]
+
+#else /* AES_SMALL_TABLES */
+
+#define RCON(i) (rcons[(i)] << 24)
+
+static inline u32 rotr(u32 val, int bits)
+{
+	return (val >> bits) | (val << (32 - bits));
+}
+
+#define TE0(i) Te0[((i) >> 24) & 0xff]
+#define TE1(i) rotr(Te0[((i) >> 16) & 0xff], 8)
+#define TE2(i) rotr(Te0[((i) >> 8) & 0xff], 16)
+#define TE3(i) rotr(Te0[(i) & 0xff], 24)
+#define TE41(i) ((Te0[((i) >> 24) & 0xff] << 8) & 0xff000000)
+#define TE42(i) (Te0[((i) >> 16) & 0xff] & 0x00ff0000)
+#define TE43(i) (Te0[((i) >> 8) & 0xff] & 0x0000ff00)
+#define TE44(i) ((Te0[(i) & 0xff] >> 8) & 0x000000ff)
+#define TE421(i) ((Te0[((i) >> 16) & 0xff] << 8) & 0xff000000)
+#define TE432(i) (Te0[((i) >> 8) & 0xff] & 0x00ff0000)
+#define TE443(i) (Te0[(i) & 0xff] & 0x0000ff00)
+#define TE414(i) ((Te0[((i) >> 24) & 0xff] >> 8) & 0x000000ff)
+#define TE4(i) ((Te0[(i)] >> 8) & 0x000000ff)
+
+#define TD0(i) Td0[((i) >> 24) & 0xff]
+#define TD1(i) rotr(Td0[((i) >> 16) & 0xff], 8)
+#define TD2(i) rotr(Td0[((i) >> 8) & 0xff], 16)
+#define TD3(i) rotr(Td0[(i) & 0xff], 24)
+#define TD41(i) (Td4s[((i) >> 24) & 0xff] << 24)
+#define TD42(i) (Td4s[((i) >> 16) & 0xff] << 16)
+#define TD43(i) (Td4s[((i) >> 8) & 0xff] << 8)
+#define TD44(i) (Td4s[(i) & 0xff])
+#define TD0_(i) Td0[(i) & 0xff]
+#define TD1_(i) rotr(Td0[(i) & 0xff], 8)
+#define TD2_(i) rotr(Td0[(i) & 0xff], 16)
+#define TD3_(i) rotr(Td0[(i) & 0xff], 24)
+
+#endif /* AES_SMALL_TABLES */
+
+#ifdef _MSC_VER
+#define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00)
+#define GETU32(p) SWAP(*((u32 *)(p)))
+#define PUTU32(ct, st) { *((u32 *)(ct)) = SWAP((st)); }
+#else
+#define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ \
+((u32)(pt)[2] <<  8) ^ ((u32)(pt)[3]))
+#define PUTU32(ct, st) { \
+(ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); \
+(ct)[2] = (u8)((st) >>  8); (ct)[3] = (u8)(st); }
+#endif
+
+#define AES_PRIV_SIZE (4 * 44)
+
+void rijndaelKeySetupEnc(u32 rk[/*44*/], const u8 cipherKey[]);
+
+#endif /* AES_I_H */
diff --git a/src/crypto/aes_wrap.h b/src/crypto/aes_wrap.h
new file mode 100644
index 0000000..4b1c7b0
--- /dev/null
+++ b/src/crypto/aes_wrap.h
@@ -0,0 +1,48 @@
+/*
+ * AES-based functions
+ *
+ * - AES Key Wrap Algorithm (128-bit KEK) (RFC3394)
+ * - One-Key CBC MAC (OMAC1) hash with AES-128
+ * - AES-128 CTR mode encryption
+ * - AES-128 EAX mode encryption/decryption
+ * - AES-128 CBC
+ *
+ * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef AES_WRAP_H
+#define AES_WRAP_H
+
+int __must_check aes_wrap(const u8 *kek, int n, const u8 *plain, u8 *cipher);
+int __must_check aes_unwrap(const u8 *kek, int n, const u8 *cipher, u8 *plain);
+int __must_check omac1_aes_128_vector(const u8 *key, size_t num_elem,
+				      const u8 *addr[], const size_t *len,
+				      u8 *mac);
+int __must_check omac1_aes_128(const u8 *key, const u8 *data, size_t data_len,
+			       u8 *mac);
+int __must_check aes_128_encrypt_block(const u8 *key, const u8 *in, u8 *out);
+int __must_check aes_128_ctr_encrypt(const u8 *key, const u8 *nonce,
+				     u8 *data, size_t data_len);
+int __must_check aes_128_eax_encrypt(const u8 *key,
+				     const u8 *nonce, size_t nonce_len,
+				     const u8 *hdr, size_t hdr_len,
+				     u8 *data, size_t data_len, u8 *tag);
+int __must_check aes_128_eax_decrypt(const u8 *key,
+				     const u8 *nonce, size_t nonce_len,
+				     const u8 *hdr, size_t hdr_len,
+				     u8 *data, size_t data_len, const u8 *tag);
+int __must_check aes_128_cbc_encrypt(const u8 *key, const u8 *iv, u8 *data,
+				     size_t data_len);
+int __must_check aes_128_cbc_decrypt(const u8 *key, const u8 *iv, u8 *data,
+				     size_t data_len);
+
+#endif /* AES_WRAP_H */
diff --git a/src/crypto/crypto.h b/src/crypto/crypto.h
new file mode 100644
index 0000000..587b5a9
--- /dev/null
+++ b/src/crypto/crypto.h
@@ -0,0 +1,469 @@
+/*
+ * WPA Supplicant / wrapper functions for crypto libraries
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This file defines the cryptographic functions that need to be implemented
+ * for wpa_supplicant and hostapd. When TLS is not used, internal
+ * implementation of MD5, SHA1, and AES is used and no external libraries are
+ * required. When TLS is enabled (e.g., by enabling EAP-TLS or EAP-PEAP), the
+ * crypto library used by the TLS implementation is expected to be used for
+ * non-TLS needs, too, in order to save space by not implementing these
+ * functions twice.
+ *
+ * Wrapper code for using each crypto library is in its own file (crypto*.c)
+ * and one of these files is build and linked in to provide the functions
+ * defined here.
+ */
+
+#ifndef CRYPTO_H
+#define CRYPTO_H
+
+/**
+ * md4_vector - MD4 hash for data vector
+ * @num_elem: Number of elements in the data vector
+ * @addr: Pointers to the data areas
+ * @len: Lengths of the data blocks
+ * @mac: Buffer for the hash
+ * Returns: 0 on success, -1 on failure
+ */
+int md4_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac);
+
+/**
+ * md5_vector - MD5 hash for data vector
+ * @num_elem: Number of elements in the data vector
+ * @addr: Pointers to the data areas
+ * @len: Lengths of the data blocks
+ * @mac: Buffer for the hash
+ * Returns: 0 on success, -1 on failure
+ */
+int md5_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac);
+
+#ifdef CONFIG_FIPS
+/**
+ * md5_vector_non_fips_allow - MD5 hash for data vector (non-FIPS use allowed)
+ * @num_elem: Number of elements in the data vector
+ * @addr: Pointers to the data areas
+ * @len: Lengths of the data blocks
+ * @mac: Buffer for the hash
+ * Returns: 0 on success, -1 on failure
+ */
+int md5_vector_non_fips_allow(size_t num_elem, const u8 *addr[],
+			      const size_t *len, u8 *mac);
+#else /* CONFIG_FIPS */
+#define md5_vector_non_fips_allow md5_vector
+#endif /* CONFIG_FIPS */
+
+
+/**
+ * sha1_vector - SHA-1 hash for data vector
+ * @num_elem: Number of elements in the data vector
+ * @addr: Pointers to the data areas
+ * @len: Lengths of the data blocks
+ * @mac: Buffer for the hash
+ * Returns: 0 on success, -1 on failure
+ */
+int sha1_vector(size_t num_elem, const u8 *addr[], const size_t *len,
+		u8 *mac);
+
+/**
+ * fips186_2-prf - NIST FIPS Publication 186-2 change notice 1 PRF
+ * @seed: Seed/key for the PRF
+ * @seed_len: Seed length in bytes
+ * @x: Buffer for PRF output
+ * @xlen: Output length in bytes
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function implements random number generation specified in NIST FIPS
+ * Publication 186-2 for EAP-SIM. This PRF uses a function that is similar to
+ * SHA-1, but has different message padding.
+ */
+int __must_check fips186_2_prf(const u8 *seed, size_t seed_len, u8 *x,
+			       size_t xlen);
+
+/**
+ * sha256_vector - SHA256 hash for data vector
+ * @num_elem: Number of elements in the data vector
+ * @addr: Pointers to the data areas
+ * @len: Lengths of the data blocks
+ * @mac: Buffer for the hash
+ * Returns: 0 on success, -1 on failure
+ */
+int sha256_vector(size_t num_elem, const u8 *addr[], const size_t *len,
+		  u8 *mac);
+
+/**
+ * des_encrypt - Encrypt one block with DES
+ * @clear: 8 octets (in)
+ * @key: 7 octets (in) (no parity bits included)
+ * @cypher: 8 octets (out)
+ */
+void des_encrypt(const u8 *clear, const u8 *key, u8 *cypher);
+
+/**
+ * aes_encrypt_init - Initialize AES for encryption
+ * @key: Encryption key
+ * @len: Key length in bytes (usually 16, i.e., 128 bits)
+ * Returns: Pointer to context data or %NULL on failure
+ */
+void * aes_encrypt_init(const u8 *key, size_t len);
+
+/**
+ * aes_encrypt - Encrypt one AES block
+ * @ctx: Context pointer from aes_encrypt_init()
+ * @plain: Plaintext data to be encrypted (16 bytes)
+ * @crypt: Buffer for the encrypted data (16 bytes)
+ */
+void aes_encrypt(void *ctx, const u8 *plain, u8 *crypt);
+
+/**
+ * aes_encrypt_deinit - Deinitialize AES encryption
+ * @ctx: Context pointer from aes_encrypt_init()
+ */
+void aes_encrypt_deinit(void *ctx);
+
+/**
+ * aes_decrypt_init - Initialize AES for decryption
+ * @key: Decryption key
+ * @len: Key length in bytes (usually 16, i.e., 128 bits)
+ * Returns: Pointer to context data or %NULL on failure
+ */
+void * aes_decrypt_init(const u8 *key, size_t len);
+
+/**
+ * aes_decrypt - Decrypt one AES block
+ * @ctx: Context pointer from aes_encrypt_init()
+ * @crypt: Encrypted data (16 bytes)
+ * @plain: Buffer for the decrypted data (16 bytes)
+ */
+void aes_decrypt(void *ctx, const u8 *crypt, u8 *plain);
+
+/**
+ * aes_decrypt_deinit - Deinitialize AES decryption
+ * @ctx: Context pointer from aes_encrypt_init()
+ */
+void aes_decrypt_deinit(void *ctx);
+
+
+enum crypto_hash_alg {
+	CRYPTO_HASH_ALG_MD5, CRYPTO_HASH_ALG_SHA1,
+	CRYPTO_HASH_ALG_HMAC_MD5, CRYPTO_HASH_ALG_HMAC_SHA1
+};
+
+struct crypto_hash;
+
+/**
+ * crypto_hash_init - Initialize hash/HMAC function
+ * @alg: Hash algorithm
+ * @key: Key for keyed hash (e.g., HMAC) or %NULL if not needed
+ * @key_len: Length of the key in bytes
+ * Returns: Pointer to hash context to use with other hash functions or %NULL
+ * on failure
+ *
+ * This function is only used with internal TLSv1 implementation
+ * (CONFIG_TLS=internal). If that is not used, the crypto wrapper does not need
+ * to implement this.
+ */
+struct crypto_hash * crypto_hash_init(enum crypto_hash_alg alg, const u8 *key,
+				      size_t key_len);
+
+/**
+ * crypto_hash_update - Add data to hash calculation
+ * @ctx: Context pointer from crypto_hash_init()
+ * @data: Data buffer to add
+ * @len: Length of the buffer
+ *
+ * This function is only used with internal TLSv1 implementation
+ * (CONFIG_TLS=internal). If that is not used, the crypto wrapper does not need
+ * to implement this.
+ */
+void crypto_hash_update(struct crypto_hash *ctx, const u8 *data, size_t len);
+
+/**
+ * crypto_hash_finish - Complete hash calculation
+ * @ctx: Context pointer from crypto_hash_init()
+ * @hash: Buffer for hash value or %NULL if caller is just freeing the hash
+ * context
+ * @len: Pointer to length of the buffer or %NULL if caller is just freeing the
+ * hash context; on return, this is set to the actual length of the hash value
+ * Returns: 0 on success, -1 if buffer is too small (len set to needed length),
+ * or -2 on other failures (including failed crypto_hash_update() operations)
+ *
+ * This function calculates the hash value and frees the context buffer that
+ * was used for hash calculation.
+ *
+ * This function is only used with internal TLSv1 implementation
+ * (CONFIG_TLS=internal). If that is not used, the crypto wrapper does not need
+ * to implement this.
+ */
+int crypto_hash_finish(struct crypto_hash *ctx, u8 *hash, size_t *len);
+
+
+enum crypto_cipher_alg {
+	CRYPTO_CIPHER_NULL = 0, CRYPTO_CIPHER_ALG_AES, CRYPTO_CIPHER_ALG_3DES,
+	CRYPTO_CIPHER_ALG_DES, CRYPTO_CIPHER_ALG_RC2, CRYPTO_CIPHER_ALG_RC4
+};
+
+struct crypto_cipher;
+
+/**
+ * crypto_cipher_init - Initialize block/stream cipher function
+ * @alg: Cipher algorithm
+ * @iv: Initialization vector for block ciphers or %NULL for stream ciphers
+ * @key: Cipher key
+ * @key_len: Length of key in bytes
+ * Returns: Pointer to cipher context to use with other cipher functions or
+ * %NULL on failure
+ *
+ * This function is only used with internal TLSv1 implementation
+ * (CONFIG_TLS=internal). If that is not used, the crypto wrapper does not need
+ * to implement this.
+ */
+struct crypto_cipher * crypto_cipher_init(enum crypto_cipher_alg alg,
+					  const u8 *iv, const u8 *key,
+					  size_t key_len);
+
+/**
+ * crypto_cipher_encrypt - Cipher encrypt
+ * @ctx: Context pointer from crypto_cipher_init()
+ * @plain: Plaintext to cipher
+ * @crypt: Resulting ciphertext
+ * @len: Length of the plaintext
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is only used with internal TLSv1 implementation
+ * (CONFIG_TLS=internal). If that is not used, the crypto wrapper does not need
+ * to implement this.
+ */
+int __must_check crypto_cipher_encrypt(struct crypto_cipher *ctx,
+				       const u8 *plain, u8 *crypt, size_t len);
+
+/**
+ * crypto_cipher_decrypt - Cipher decrypt
+ * @ctx: Context pointer from crypto_cipher_init()
+ * @crypt: Ciphertext to decrypt
+ * @plain: Resulting plaintext
+ * @len: Length of the cipher text
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is only used with internal TLSv1 implementation
+ * (CONFIG_TLS=internal). If that is not used, the crypto wrapper does not need
+ * to implement this.
+ */
+int __must_check crypto_cipher_decrypt(struct crypto_cipher *ctx,
+				       const u8 *crypt, u8 *plain, size_t len);
+
+/**
+ * crypto_cipher_decrypt - Free cipher context
+ * @ctx: Context pointer from crypto_cipher_init()
+ *
+ * This function is only used with internal TLSv1 implementation
+ * (CONFIG_TLS=internal). If that is not used, the crypto wrapper does not need
+ * to implement this.
+ */
+void crypto_cipher_deinit(struct crypto_cipher *ctx);
+
+
+struct crypto_public_key;
+struct crypto_private_key;
+
+/**
+ * crypto_public_key_import - Import an RSA public key
+ * @key: Key buffer (DER encoded RSA public key)
+ * @len: Key buffer length in bytes
+ * Returns: Pointer to the public key or %NULL on failure
+ *
+ * This function can just return %NULL if the crypto library supports X.509
+ * parsing. In that case, crypto_public_key_from_cert() is used to import the
+ * public key from a certificate.
+ *
+ * This function is only used with internal TLSv1 implementation
+ * (CONFIG_TLS=internal). If that is not used, the crypto wrapper does not need
+ * to implement this.
+ */
+struct crypto_public_key * crypto_public_key_import(const u8 *key, size_t len);
+
+/**
+ * crypto_private_key_import - Import an RSA private key
+ * @key: Key buffer (DER encoded RSA private key)
+ * @len: Key buffer length in bytes
+ * @passwd: Key encryption password or %NULL if key is not encrypted
+ * Returns: Pointer to the private key or %NULL on failure
+ *
+ * This function is only used with internal TLSv1 implementation
+ * (CONFIG_TLS=internal). If that is not used, the crypto wrapper does not need
+ * to implement this.
+ */
+struct crypto_private_key * crypto_private_key_import(const u8 *key,
+						      size_t len,
+						      const char *passwd);
+
+/**
+ * crypto_public_key_from_cert - Import an RSA public key from a certificate
+ * @buf: DER encoded X.509 certificate
+ * @len: Certificate buffer length in bytes
+ * Returns: Pointer to public key or %NULL on failure
+ *
+ * This function can just return %NULL if the crypto library does not support
+ * X.509 parsing. In that case, internal code will be used to parse the
+ * certificate and public key is imported using crypto_public_key_import().
+ *
+ * This function is only used with internal TLSv1 implementation
+ * (CONFIG_TLS=internal). If that is not used, the crypto wrapper does not need
+ * to implement this.
+ */
+struct crypto_public_key * crypto_public_key_from_cert(const u8 *buf,
+						       size_t len);
+
+/**
+ * crypto_public_key_encrypt_pkcs1_v15 - Public key encryption (PKCS #1 v1.5)
+ * @key: Public key
+ * @in: Plaintext buffer
+ * @inlen: Length of plaintext buffer in bytes
+ * @out: Output buffer for encrypted data
+ * @outlen: Length of output buffer in bytes; set to used length on success
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is only used with internal TLSv1 implementation
+ * (CONFIG_TLS=internal). If that is not used, the crypto wrapper does not need
+ * to implement this.
+ */
+int __must_check crypto_public_key_encrypt_pkcs1_v15(
+	struct crypto_public_key *key, const u8 *in, size_t inlen,
+	u8 *out, size_t *outlen);
+
+/**
+ * crypto_private_key_decrypt_pkcs1_v15 - Private key decryption (PKCS #1 v1.5)
+ * @key: Private key
+ * @in: Encrypted buffer
+ * @inlen: Length of encrypted buffer in bytes
+ * @out: Output buffer for encrypted data
+ * @outlen: Length of output buffer in bytes; set to used length on success
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is only used with internal TLSv1 implementation
+ * (CONFIG_TLS=internal). If that is not used, the crypto wrapper does not need
+ * to implement this.
+ */
+int __must_check crypto_private_key_decrypt_pkcs1_v15(
+	struct crypto_private_key *key, const u8 *in, size_t inlen,
+	u8 *out, size_t *outlen);
+
+/**
+ * crypto_private_key_sign_pkcs1 - Sign with private key (PKCS #1)
+ * @key: Private key from crypto_private_key_import()
+ * @in: Plaintext buffer
+ * @inlen: Length of plaintext buffer in bytes
+ * @out: Output buffer for encrypted (signed) data
+ * @outlen: Length of output buffer in bytes; set to used length on success
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is only used with internal TLSv1 implementation
+ * (CONFIG_TLS=internal). If that is not used, the crypto wrapper does not need
+ * to implement this.
+ */
+int __must_check crypto_private_key_sign_pkcs1(struct crypto_private_key *key,
+					       const u8 *in, size_t inlen,
+					       u8 *out, size_t *outlen);
+
+/**
+ * crypto_public_key_free - Free public key
+ * @key: Public key
+ *
+ * This function is only used with internal TLSv1 implementation
+ * (CONFIG_TLS=internal). If that is not used, the crypto wrapper does not need
+ * to implement this.
+ */
+void crypto_public_key_free(struct crypto_public_key *key);
+
+/**
+ * crypto_private_key_free - Free private key
+ * @key: Private key from crypto_private_key_import()
+ *
+ * This function is only used with internal TLSv1 implementation
+ * (CONFIG_TLS=internal). If that is not used, the crypto wrapper does not need
+ * to implement this.
+ */
+void crypto_private_key_free(struct crypto_private_key *key);
+
+/**
+ * crypto_public_key_decrypt_pkcs1 - Decrypt PKCS #1 signature
+ * @key: Public key
+ * @crypt: Encrypted signature data (using the private key)
+ * @crypt_len: Encrypted signature data length
+ * @plain: Buffer for plaintext (at least crypt_len bytes)
+ * @plain_len: Plaintext length (max buffer size on input, real len on output);
+ * Returns: 0 on success, -1 on failure
+ */
+int __must_check crypto_public_key_decrypt_pkcs1(
+	struct crypto_public_key *key, const u8 *crypt, size_t crypt_len,
+	u8 *plain, size_t *plain_len);
+
+/**
+ * crypto_global_init - Initialize crypto wrapper
+ *
+ * This function is only used with internal TLSv1 implementation
+ * (CONFIG_TLS=internal). If that is not used, the crypto wrapper does not need
+ * to implement this.
+ */
+int __must_check crypto_global_init(void);
+
+/**
+ * crypto_global_deinit - Deinitialize crypto wrapper
+ *
+ * This function is only used with internal TLSv1 implementation
+ * (CONFIG_TLS=internal). If that is not used, the crypto wrapper does not need
+ * to implement this.
+ */
+void crypto_global_deinit(void);
+
+/**
+ * crypto_mod_exp - Modular exponentiation of large integers
+ * @base: Base integer (big endian byte array)
+ * @base_len: Length of base integer in bytes
+ * @power: Power integer (big endian byte array)
+ * @power_len: Length of power integer in bytes
+ * @modulus: Modulus integer (big endian byte array)
+ * @modulus_len: Length of modulus integer in bytes
+ * @result: Buffer for the result
+ * @result_len: Result length (max buffer size on input, real len on output)
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function calculates result = base ^ power mod modulus. modules_len is
+ * used as the maximum size of modulus buffer. It is set to the used size on
+ * success.
+ *
+ * This function is only used with internal TLSv1 implementation
+ * (CONFIG_TLS=internal). If that is not used, the crypto wrapper does not need
+ * to implement this.
+ */
+int __must_check crypto_mod_exp(const u8 *base, size_t base_len,
+				const u8 *power, size_t power_len,
+				const u8 *modulus, size_t modulus_len,
+				u8 *result, size_t *result_len);
+
+/**
+ * rc4_skip - XOR RC4 stream to given data with skip-stream-start
+ * @key: RC4 key
+ * @keylen: RC4 key length
+ * @skip: number of bytes to skip from the beginning of the RC4 stream
+ * @data: data to be XOR'ed with RC4 stream
+ * @data_len: buf length
+ * Returns: 0 on success, -1 on failure
+ *
+ * Generate RC4 pseudo random stream for the given key, skip beginning of the
+ * stream, and XOR the end result with the data buffer to perform RC4
+ * encryption/decryption.
+ */
+int rc4_skip(const u8 *key, size_t keylen, size_t skip,
+	     u8 *data, size_t data_len);
+
+#endif /* CRYPTO_H */
diff --git a/src/crypto/crypto_cryptoapi.c b/src/crypto/crypto_cryptoapi.c
new file mode 100644
index 0000000..2a8d200
--- /dev/null
+++ b/src/crypto/crypto_cryptoapi.c
@@ -0,0 +1,789 @@
+/*
+ * Crypto wrapper for Microsoft CryptoAPI
+ * Copyright (c) 2005-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <windows.h>
+#include <wincrypt.h>
+
+#include "common.h"
+#include "crypto.h"
+
+#ifndef MS_ENH_RSA_AES_PROV
+#ifdef UNICODE
+#define MS_ENH_RSA_AES_PROV \
+L"Microsoft Enhanced RSA and AES Cryptographic Provider (Prototype)"
+#else
+#define MS_ENH_RSA_AES_PROV \
+"Microsoft Enhanced RSA and AES Cryptographic Provider (Prototype)"
+#endif
+#endif /* MS_ENH_RSA_AES_PROV */
+
+#ifndef CALG_HMAC
+#define CALG_HMAC (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_HMAC)
+#endif
+
+#ifdef __MINGW32_VERSION
+/*
+ * MinGW does not yet include all the needed definitions for CryptoAPI, so
+ * define here whatever extra is needed.
+ */
+
+static BOOL WINAPI
+(*CryptImportPublicKeyInfo)(HCRYPTPROV hCryptProv, DWORD dwCertEncodingType,
+			    PCERT_PUBLIC_KEY_INFO pInfo, HCRYPTKEY *phKey)
+= NULL; /* to be loaded from crypt32.dll */
+
+
+static int mingw_load_crypto_func(void)
+{
+	HINSTANCE dll;
+
+	/* MinGW does not yet have full CryptoAPI support, so load the needed
+	 * function here. */
+
+	if (CryptImportPublicKeyInfo)
+		return 0;
+
+	dll = LoadLibrary("crypt32");
+	if (dll == NULL) {
+		wpa_printf(MSG_DEBUG, "CryptoAPI: Could not load crypt32 "
+			   "library");
+		return -1;
+	}
+
+	CryptImportPublicKeyInfo = GetProcAddress(
+		dll, "CryptImportPublicKeyInfo");
+	if (CryptImportPublicKeyInfo == NULL) {
+		wpa_printf(MSG_DEBUG, "CryptoAPI: Could not get "
+			   "CryptImportPublicKeyInfo() address from "
+			   "crypt32 library");
+		return -1;
+	}
+
+	return 0;
+}
+
+#else /* __MINGW32_VERSION */
+
+static int mingw_load_crypto_func(void)
+{
+	return 0;
+}
+
+#endif /* __MINGW32_VERSION */
+
+
+static void cryptoapi_report_error(const char *msg)
+{
+	char *s, *pos;
+	DWORD err = GetLastError();
+
+	if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
+			  FORMAT_MESSAGE_FROM_SYSTEM,
+			  NULL, err, 0, (LPTSTR) &s, 0, NULL) == 0) {
+ 		wpa_printf(MSG_DEBUG, "CryptoAPI: %s: %d", msg, (int) err);
+	}
+
+	pos = s;
+	while (*pos) {
+		if (*pos == '\n' || *pos == '\r') {
+			*pos = '\0';
+			break;
+		}
+		pos++;
+	}
+
+	wpa_printf(MSG_DEBUG, "CryptoAPI: %s: %d: (%s)", msg, (int) err, s);
+	LocalFree(s);
+}
+
+
+int cryptoapi_hash_vector(ALG_ID alg, size_t hash_len, size_t num_elem,
+			  const u8 *addr[], const size_t *len, u8 *mac)
+{
+	HCRYPTPROV prov;
+	HCRYPTHASH hash;
+	size_t i;
+	DWORD hlen;
+	int ret = 0;
+
+	if (!CryptAcquireContext(&prov, NULL, NULL, PROV_RSA_FULL, 0)) {
+		cryptoapi_report_error("CryptAcquireContext");
+		return -1;
+	}
+
+	if (!CryptCreateHash(prov, alg, 0, 0, &hash)) {
+		cryptoapi_report_error("CryptCreateHash");
+		CryptReleaseContext(prov, 0);
+		return -1;
+	}
+
+	for (i = 0; i < num_elem; i++) {
+		if (!CryptHashData(hash, (BYTE *) addr[i], len[i], 0)) {
+			cryptoapi_report_error("CryptHashData");
+			CryptDestroyHash(hash);
+			CryptReleaseContext(prov, 0);
+		}
+	}
+
+	hlen = hash_len;
+	if (!CryptGetHashParam(hash, HP_HASHVAL, mac, &hlen, 0)) {
+		cryptoapi_report_error("CryptGetHashParam");
+		ret = -1;
+	}
+
+	CryptDestroyHash(hash);
+	CryptReleaseContext(prov, 0);
+
+	return ret;
+}
+
+
+int md4_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	return cryptoapi_hash_vector(CALG_MD4, 16, num_elem, addr, len, mac);
+}
+
+
+void des_encrypt(const u8 *clear, const u8 *key, u8 *cypher)
+{
+	u8 next, tmp;
+	int i;
+	HCRYPTPROV prov;
+	HCRYPTKEY ckey;
+	DWORD dlen;
+	struct {
+		BLOBHEADER hdr;
+		DWORD len;
+		BYTE key[8];
+	} key_blob;
+	DWORD mode = CRYPT_MODE_ECB;
+
+	key_blob.hdr.bType = PLAINTEXTKEYBLOB;
+	key_blob.hdr.bVersion = CUR_BLOB_VERSION;
+	key_blob.hdr.reserved = 0;
+	key_blob.hdr.aiKeyAlg = CALG_DES;
+	key_blob.len = 8;
+
+	/* Add parity bits to the key */
+	next = 0;
+	for (i = 0; i < 7; i++) {
+		tmp = key[i];
+		key_blob.key[i] = (tmp >> i) | next | 1;
+		next = tmp << (7 - i);
+	}
+	key_blob.key[i] = next | 1;
+
+	if (!CryptAcquireContext(&prov, NULL, MS_ENHANCED_PROV, PROV_RSA_FULL,
+				 CRYPT_VERIFYCONTEXT)) {
+ 		wpa_printf(MSG_DEBUG, "CryptoAPI: CryptAcquireContext failed: "
+			   "%d", (int) GetLastError());
+		return;
+	}
+
+	if (!CryptImportKey(prov, (BYTE *) &key_blob, sizeof(key_blob), 0, 0,
+			    &ckey)) {
+ 		wpa_printf(MSG_DEBUG, "CryptoAPI: CryptImportKey failed: %d",
+			   (int) GetLastError());
+		CryptReleaseContext(prov, 0);
+		return;
+	}
+
+	if (!CryptSetKeyParam(ckey, KP_MODE, (BYTE *) &mode, 0)) {
+ 		wpa_printf(MSG_DEBUG, "CryptoAPI: CryptSetKeyParam(KP_MODE) "
+			   "failed: %d", (int) GetLastError());
+		CryptDestroyKey(ckey);
+		CryptReleaseContext(prov, 0);
+		return;
+	}
+
+	os_memcpy(cypher, clear, 8);
+	dlen = 8;
+	if (!CryptEncrypt(ckey, 0, FALSE, 0, cypher, &dlen, 8)) {
+		wpa_printf(MSG_DEBUG, "CryptoAPI: CryptEncrypt failed: %d",
+			   (int) GetLastError());
+		os_memset(cypher, 0, 8);
+	}
+
+	CryptDestroyKey(ckey);
+	CryptReleaseContext(prov, 0);
+}
+
+
+int md5_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	return cryptoapi_hash_vector(CALG_MD5, 16, num_elem, addr, len, mac);
+}
+
+
+int sha1_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	return cryptoapi_hash_vector(CALG_SHA, 20, num_elem, addr, len, mac);
+}
+
+
+struct aes_context {
+	HCRYPTPROV prov;
+	HCRYPTKEY ckey;
+};
+
+
+void * aes_encrypt_init(const u8 *key, size_t len)
+{
+	struct aes_context *akey;
+	struct {
+		BLOBHEADER hdr;
+		DWORD len;
+		BYTE key[16];
+	} key_blob;
+	DWORD mode = CRYPT_MODE_ECB;
+
+	if (len != 16)
+		return NULL;
+
+	key_blob.hdr.bType = PLAINTEXTKEYBLOB;
+	key_blob.hdr.bVersion = CUR_BLOB_VERSION;
+	key_blob.hdr.reserved = 0;
+	key_blob.hdr.aiKeyAlg = CALG_AES_128;
+	key_blob.len = len;
+	os_memcpy(key_blob.key, key, len);
+
+	akey = os_zalloc(sizeof(*akey));
+	if (akey == NULL)
+		return NULL;
+
+	if (!CryptAcquireContext(&akey->prov, NULL,
+				 MS_ENH_RSA_AES_PROV, PROV_RSA_AES,
+				 CRYPT_VERIFYCONTEXT)) {
+ 		wpa_printf(MSG_DEBUG, "CryptoAPI: CryptAcquireContext failed: "
+			   "%d", (int) GetLastError());
+		os_free(akey);
+		return NULL;
+	}
+
+	if (!CryptImportKey(akey->prov, (BYTE *) &key_blob, sizeof(key_blob),
+			    0, 0, &akey->ckey)) {
+ 		wpa_printf(MSG_DEBUG, "CryptoAPI: CryptImportKey failed: %d",
+			   (int) GetLastError());
+		CryptReleaseContext(akey->prov, 0);
+		os_free(akey);
+		return NULL;
+	}
+
+	if (!CryptSetKeyParam(akey->ckey, KP_MODE, (BYTE *) &mode, 0)) {
+ 		wpa_printf(MSG_DEBUG, "CryptoAPI: CryptSetKeyParam(KP_MODE) "
+			   "failed: %d", (int) GetLastError());
+		CryptDestroyKey(akey->ckey);
+		CryptReleaseContext(akey->prov, 0);
+		os_free(akey);
+		return NULL;
+	}
+
+	return akey;
+}
+
+
+void aes_encrypt(void *ctx, const u8 *plain, u8 *crypt)
+{
+	struct aes_context *akey = ctx;
+	DWORD dlen;
+
+	os_memcpy(crypt, plain, 16);
+	dlen = 16;
+	if (!CryptEncrypt(akey->ckey, 0, FALSE, 0, crypt, &dlen, 16)) {
+		wpa_printf(MSG_DEBUG, "CryptoAPI: CryptEncrypt failed: %d",
+			   (int) GetLastError());
+		os_memset(crypt, 0, 16);
+	}
+}
+
+
+void aes_encrypt_deinit(void *ctx)
+{
+	struct aes_context *akey = ctx;
+	if (akey) {
+		CryptDestroyKey(akey->ckey);
+		CryptReleaseContext(akey->prov, 0);
+		os_free(akey);
+	}
+}
+
+
+void * aes_decrypt_init(const u8 *key, size_t len)
+{
+	return aes_encrypt_init(key, len);
+}
+
+
+void aes_decrypt(void *ctx, const u8 *crypt, u8 *plain)
+{
+	struct aes_context *akey = ctx;
+	DWORD dlen;
+
+	os_memcpy(plain, crypt, 16);
+	dlen = 16;
+
+	if (!CryptDecrypt(akey->ckey, 0, FALSE, 0, plain, &dlen)) {
+		wpa_printf(MSG_DEBUG, "CryptoAPI: CryptDecrypt failed: %d",
+			   (int) GetLastError());
+	}
+}
+
+
+void aes_decrypt_deinit(void *ctx)
+{
+	aes_encrypt_deinit(ctx);
+}
+
+
+struct crypto_hash {
+	enum crypto_hash_alg alg;
+	int error;
+	HCRYPTPROV prov;
+	HCRYPTHASH hash;
+	HCRYPTKEY key;
+};
+
+struct crypto_hash * crypto_hash_init(enum crypto_hash_alg alg, const u8 *key,
+				      size_t key_len)
+{
+	struct crypto_hash *ctx;
+	ALG_ID calg;
+	struct {
+		BLOBHEADER hdr;
+		DWORD len;
+		BYTE key[32];
+	} key_blob;
+
+	os_memset(&key_blob, 0, sizeof(key_blob));
+	switch (alg) {
+	case CRYPTO_HASH_ALG_MD5:
+		calg = CALG_MD5;
+		break;
+	case CRYPTO_HASH_ALG_SHA1:
+		calg = CALG_SHA;
+		break;
+	case CRYPTO_HASH_ALG_HMAC_MD5:
+	case CRYPTO_HASH_ALG_HMAC_SHA1:
+		calg = CALG_HMAC;
+		key_blob.hdr.bType = PLAINTEXTKEYBLOB;
+		key_blob.hdr.bVersion = CUR_BLOB_VERSION;
+		key_blob.hdr.reserved = 0;
+		/*
+		 * Note: RC2 is not really used, but that can be used to
+		 * import HMAC keys of up to 16 byte long.
+		 * CRYPT_IPSEC_HMAC_KEY flag for CryptImportKey() is needed to
+		 * be able to import longer keys (HMAC-SHA1 uses 20-byte key).
+		 */
+		key_blob.hdr.aiKeyAlg = CALG_RC2;
+		key_blob.len = key_len;
+		if (key_len > sizeof(key_blob.key))
+			return NULL;
+		os_memcpy(key_blob.key, key, key_len);
+		break;
+	default:
+		return NULL;
+	}
+
+	ctx = os_zalloc(sizeof(*ctx));
+	if (ctx == NULL)
+		return NULL;
+
+	ctx->alg = alg;
+
+	if (!CryptAcquireContext(&ctx->prov, NULL, NULL, PROV_RSA_FULL, 0)) {
+		cryptoapi_report_error("CryptAcquireContext");
+		os_free(ctx);
+		return NULL;
+	}
+
+	if (calg == CALG_HMAC) {
+#ifndef CRYPT_IPSEC_HMAC_KEY
+#define CRYPT_IPSEC_HMAC_KEY 0x00000100
+#endif
+		if (!CryptImportKey(ctx->prov, (BYTE *) &key_blob,
+				    sizeof(key_blob), 0, CRYPT_IPSEC_HMAC_KEY,
+				    &ctx->key)) {
+			cryptoapi_report_error("CryptImportKey");
+			CryptReleaseContext(ctx->prov, 0);
+			os_free(ctx);
+			return NULL;
+		}
+	}
+
+	if (!CryptCreateHash(ctx->prov, calg, ctx->key, 0, &ctx->hash)) {
+		cryptoapi_report_error("CryptCreateHash");
+		CryptReleaseContext(ctx->prov, 0);
+		os_free(ctx);
+		return NULL;
+	}
+
+	if (calg == CALG_HMAC) {
+		HMAC_INFO info;
+		os_memset(&info, 0, sizeof(info));
+		switch (alg) {
+		case CRYPTO_HASH_ALG_HMAC_MD5:
+			info.HashAlgid = CALG_MD5;
+			break;
+		case CRYPTO_HASH_ALG_HMAC_SHA1:
+			info.HashAlgid = CALG_SHA;
+			break;
+		default:
+			/* unreachable */
+			break;
+		}
+
+		if (!CryptSetHashParam(ctx->hash, HP_HMAC_INFO, (BYTE *) &info,
+				       0)) {
+			cryptoapi_report_error("CryptSetHashParam");
+			CryptDestroyHash(ctx->hash);
+			CryptReleaseContext(ctx->prov, 0);
+			os_free(ctx);
+			return NULL;
+		}
+	}
+
+	return ctx;
+}
+
+
+void crypto_hash_update(struct crypto_hash *ctx, const u8 *data, size_t len)
+{
+	if (ctx == NULL || ctx->error)
+		return;
+
+	if (!CryptHashData(ctx->hash, (BYTE *) data, len, 0)) {
+		cryptoapi_report_error("CryptHashData");
+		ctx->error = 1;
+	}
+}
+
+
+int crypto_hash_finish(struct crypto_hash *ctx, u8 *mac, size_t *len)
+{
+	int ret = 0;
+	DWORD hlen;
+
+	if (ctx == NULL)
+		return -2;
+
+	if (mac == NULL || len == NULL)
+		goto done;
+
+	if (ctx->error) {
+		ret = -2;
+		goto done;
+	}
+
+	hlen = *len;
+	if (!CryptGetHashParam(ctx->hash, HP_HASHVAL, mac, &hlen, 0)) {
+		cryptoapi_report_error("CryptGetHashParam");
+		ret = -2;
+	}
+	*len = hlen;
+
+done:
+	if (ctx->alg == CRYPTO_HASH_ALG_HMAC_SHA1 ||
+	    ctx->alg == CRYPTO_HASH_ALG_HMAC_MD5)
+		CryptDestroyKey(ctx->key);
+
+	os_free(ctx);
+
+	return ret;
+}
+
+
+struct crypto_cipher {
+	HCRYPTPROV prov;
+	HCRYPTKEY key;
+};
+
+
+struct crypto_cipher * crypto_cipher_init(enum crypto_cipher_alg alg,
+					  const u8 *iv, const u8 *key,
+					  size_t key_len)
+{	
+	struct crypto_cipher *ctx;
+	struct {
+		BLOBHEADER hdr;
+		DWORD len;
+		BYTE key[32];
+	} key_blob;
+	DWORD mode = CRYPT_MODE_CBC;
+
+	key_blob.hdr.bType = PLAINTEXTKEYBLOB;
+	key_blob.hdr.bVersion = CUR_BLOB_VERSION;
+	key_blob.hdr.reserved = 0;
+	key_blob.len = key_len;
+	if (key_len > sizeof(key_blob.key))
+		return NULL;
+	os_memcpy(key_blob.key, key, key_len);
+
+	switch (alg) {
+	case CRYPTO_CIPHER_ALG_AES:
+		if (key_len == 32)
+			key_blob.hdr.aiKeyAlg = CALG_AES_256;
+		else if (key_len == 24)
+			key_blob.hdr.aiKeyAlg = CALG_AES_192;
+		else
+			key_blob.hdr.aiKeyAlg = CALG_AES_128;
+		break;
+	case CRYPTO_CIPHER_ALG_3DES:
+		key_blob.hdr.aiKeyAlg = CALG_3DES;
+		break;
+	case CRYPTO_CIPHER_ALG_DES:
+		key_blob.hdr.aiKeyAlg = CALG_DES;
+		break;
+	case CRYPTO_CIPHER_ALG_RC2:
+		key_blob.hdr.aiKeyAlg = CALG_RC2;
+		break;
+	case CRYPTO_CIPHER_ALG_RC4:
+		key_blob.hdr.aiKeyAlg = CALG_RC4;
+		break;
+	default:
+		return NULL;
+	}
+
+	ctx = os_zalloc(sizeof(*ctx));
+	if (ctx == NULL)
+		return NULL;
+
+	if (!CryptAcquireContext(&ctx->prov, NULL, MS_ENH_RSA_AES_PROV,
+				 PROV_RSA_AES, CRYPT_VERIFYCONTEXT)) {
+		cryptoapi_report_error("CryptAcquireContext");
+		goto fail1;
+	}
+
+	if (!CryptImportKey(ctx->prov, (BYTE *) &key_blob,
+			    sizeof(key_blob), 0, 0, &ctx->key)) {
+ 		cryptoapi_report_error("CryptImportKey");
+		goto fail2;
+	}
+
+	if (!CryptSetKeyParam(ctx->key, KP_MODE, (BYTE *) &mode, 0)) {
+ 		cryptoapi_report_error("CryptSetKeyParam(KP_MODE)");
+		goto fail3;
+	}
+
+	if (iv && !CryptSetKeyParam(ctx->key, KP_IV, (BYTE *) iv, 0)) {
+ 		cryptoapi_report_error("CryptSetKeyParam(KP_IV)");
+		goto fail3;
+	}
+
+	return ctx;
+
+fail3:
+	CryptDestroyKey(ctx->key);
+fail2:
+	CryptReleaseContext(ctx->prov, 0);
+fail1:
+	os_free(ctx);
+	return NULL;
+}
+
+
+int crypto_cipher_encrypt(struct crypto_cipher *ctx, const u8 *plain,
+			  u8 *crypt, size_t len)
+{
+	DWORD dlen;
+
+	os_memcpy(crypt, plain, len);
+	dlen = len;
+	if (!CryptEncrypt(ctx->key, 0, FALSE, 0, crypt, &dlen, len)) {
+ 		cryptoapi_report_error("CryptEncrypt");
+		os_memset(crypt, 0, len);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int crypto_cipher_decrypt(struct crypto_cipher *ctx, const u8 *crypt,
+			  u8 *plain, size_t len)
+{
+	DWORD dlen;
+
+	os_memcpy(plain, crypt, len);
+	dlen = len;
+	if (!CryptDecrypt(ctx->key, 0, FALSE, 0, plain, &dlen)) {
+ 		cryptoapi_report_error("CryptDecrypt");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+void crypto_cipher_deinit(struct crypto_cipher *ctx)
+{
+	CryptDestroyKey(ctx->key);
+	CryptReleaseContext(ctx->prov, 0);
+	os_free(ctx);
+}
+
+
+struct crypto_public_key {
+	HCRYPTPROV prov;
+	HCRYPTKEY rsa;
+};
+
+struct crypto_private_key {
+	HCRYPTPROV prov;
+	HCRYPTKEY rsa;
+};
+
+
+struct crypto_public_key * crypto_public_key_import(const u8 *key, size_t len)
+{
+	/* Use crypto_public_key_from_cert() instead. */
+	return NULL;
+}
+
+
+struct crypto_private_key * crypto_private_key_import(const u8 *key,
+						      size_t len,
+						      const char *passwd)
+{
+	/* TODO */
+	return NULL;
+}
+
+
+struct crypto_public_key * crypto_public_key_from_cert(const u8 *buf,
+						       size_t len)
+{
+	struct crypto_public_key *pk;
+	PCCERT_CONTEXT cc;
+
+	pk = os_zalloc(sizeof(*pk));
+	if (pk == NULL)
+		return NULL;
+
+	cc = CertCreateCertificateContext(X509_ASN_ENCODING |
+					  PKCS_7_ASN_ENCODING, buf, len);
+	if (!cc) {
+ 		cryptoapi_report_error("CryptCreateCertificateContext");
+		os_free(pk);
+		return NULL;
+	}
+
+	if (!CryptAcquireContext(&pk->prov, NULL, MS_DEF_PROV, PROV_RSA_FULL,
+				 0)) {
+ 		cryptoapi_report_error("CryptAcquireContext");
+		os_free(pk);
+		CertFreeCertificateContext(cc);
+		return NULL;
+	}
+
+	if (!CryptImportPublicKeyInfo(pk->prov, X509_ASN_ENCODING |
+				      PKCS_7_ASN_ENCODING,
+				      &cc->pCertInfo->SubjectPublicKeyInfo,
+				      &pk->rsa)) {
+ 		cryptoapi_report_error("CryptImportPublicKeyInfo");
+		CryptReleaseContext(pk->prov, 0);
+		os_free(pk);
+		CertFreeCertificateContext(cc);
+		return NULL;
+	}
+
+	CertFreeCertificateContext(cc);
+
+	return pk;
+}
+
+
+int crypto_public_key_encrypt_pkcs1_v15(struct crypto_public_key *key,
+					const u8 *in, size_t inlen,
+					u8 *out, size_t *outlen)
+{
+	DWORD clen;
+	u8 *tmp;
+	size_t i;
+
+	if (*outlen < inlen)
+		return -1;
+	tmp = malloc(*outlen);
+	if (tmp == NULL)
+		return -1;
+
+	os_memcpy(tmp, in, inlen);
+	clen = inlen;
+	if (!CryptEncrypt(key->rsa, 0, TRUE, 0, tmp, &clen, *outlen)) {
+		wpa_printf(MSG_DEBUG, "CryptoAPI: Failed to encrypt using "
+			   "public key: %d", (int) GetLastError());
+		os_free(tmp);
+		return -1;
+	}
+
+	*outlen = clen;
+
+	/* Reverse the output */
+	for (i = 0; i < *outlen; i++)
+		out[i] = tmp[*outlen - 1 - i];
+
+	os_free(tmp);
+
+	return 0;
+}
+
+
+int crypto_private_key_sign_pkcs1(struct crypto_private_key *key,
+				  const u8 *in, size_t inlen,
+				  u8 *out, size_t *outlen)
+{
+	/* TODO */
+	return -1;
+}
+
+
+void crypto_public_key_free(struct crypto_public_key *key)
+{
+	if (key) {
+		CryptDestroyKey(key->rsa);
+		CryptReleaseContext(key->prov, 0);
+		os_free(key);
+	}
+}
+
+
+void crypto_private_key_free(struct crypto_private_key *key)
+{
+	if (key) {
+		CryptDestroyKey(key->rsa);
+		CryptReleaseContext(key->prov, 0);
+		os_free(key);
+	}
+}
+
+
+int crypto_global_init(void)
+{
+	return mingw_load_crypto_func();
+}
+
+
+void crypto_global_deinit(void)
+{
+}
+
+
+int crypto_mod_exp(const u8 *base, size_t base_len,
+		   const u8 *power, size_t power_len,
+		   const u8 *modulus, size_t modulus_len,
+		   u8 *result, size_t *result_len)
+{
+	/* TODO */
+	return -1;
+}
diff --git a/src/crypto/crypto_gnutls.c b/src/crypto/crypto_gnutls.c
new file mode 100644
index 0000000..0998cca
--- /dev/null
+++ b/src/crypto/crypto_gnutls.c
@@ -0,0 +1,305 @@
+/*
+ * WPA Supplicant / wrapper functions for libgcrypt
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <gcrypt.h>
+
+#include "common.h"
+#include "crypto.h"
+
+int md4_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	gcry_md_hd_t hd;
+	unsigned char *p;
+	size_t i;
+
+	if (gcry_md_open(&hd, GCRY_MD_MD4, 0) != GPG_ERR_NO_ERROR)
+		return -1;
+	for (i = 0; i < num_elem; i++)
+		gcry_md_write(hd, addr[i], len[i]);
+	p = gcry_md_read(hd, GCRY_MD_MD4);
+	if (p)
+		memcpy(mac, p, gcry_md_get_algo_dlen(GCRY_MD_MD4));
+	gcry_md_close(hd);
+	return 0;
+}
+
+
+void des_encrypt(const u8 *clear, const u8 *key, u8 *cypher)
+{
+	gcry_cipher_hd_t hd;
+	u8 pkey[8], next, tmp;
+	int i;
+
+	/* Add parity bits to the key */
+	next = 0;
+	for (i = 0; i < 7; i++) {
+		tmp = key[i];
+		pkey[i] = (tmp >> i) | next | 1;
+		next = tmp << (7 - i);
+	}
+	pkey[i] = next | 1;
+
+	gcry_cipher_open(&hd, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0);
+	gcry_err_code(gcry_cipher_setkey(hd, pkey, 8));
+	gcry_cipher_encrypt(hd, cypher, 8, clear, 8);
+	gcry_cipher_close(hd);
+}
+
+
+int md5_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	gcry_md_hd_t hd;
+	unsigned char *p;
+	size_t i;
+
+	if (gcry_md_open(&hd, GCRY_MD_MD5, 0) != GPG_ERR_NO_ERROR)
+		return -1;
+	for (i = 0; i < num_elem; i++)
+		gcry_md_write(hd, addr[i], len[i]);
+	p = gcry_md_read(hd, GCRY_MD_MD5);
+	if (p)
+		memcpy(mac, p, gcry_md_get_algo_dlen(GCRY_MD_MD5));
+	gcry_md_close(hd);
+	return 0;
+}
+
+
+int sha1_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	gcry_md_hd_t hd;
+	unsigned char *p;
+	size_t i;
+
+	if (gcry_md_open(&hd, GCRY_MD_SHA1, 0) != GPG_ERR_NO_ERROR)
+		return -1;
+	for (i = 0; i < num_elem; i++)
+		gcry_md_write(hd, addr[i], len[i]);
+	p = gcry_md_read(hd, GCRY_MD_SHA1);
+	if (p)
+		memcpy(mac, p, gcry_md_get_algo_dlen(GCRY_MD_SHA1));
+	gcry_md_close(hd);
+	return 0;
+}
+
+
+void * aes_encrypt_init(const u8 *key, size_t len)
+{
+	gcry_cipher_hd_t hd;
+
+	if (gcry_cipher_open(&hd, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_ECB, 0) !=
+	    GPG_ERR_NO_ERROR) {
+		printf("cipher open failed\n");
+		return NULL;
+	}
+	if (gcry_cipher_setkey(hd, key, len) != GPG_ERR_NO_ERROR) {
+		printf("setkey failed\n");
+		gcry_cipher_close(hd);
+		return NULL;
+	}
+
+	return hd;
+}
+
+
+void aes_encrypt(void *ctx, const u8 *plain, u8 *crypt)
+{
+	gcry_cipher_hd_t hd = ctx;
+	gcry_cipher_encrypt(hd, crypt, 16, plain, 16);
+}
+
+
+void aes_encrypt_deinit(void *ctx)
+{
+	gcry_cipher_hd_t hd = ctx;
+	gcry_cipher_close(hd);
+}
+
+
+void * aes_decrypt_init(const u8 *key, size_t len)
+{
+	gcry_cipher_hd_t hd;
+
+	if (gcry_cipher_open(&hd, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_ECB, 0) !=
+	    GPG_ERR_NO_ERROR)
+		return NULL;
+	if (gcry_cipher_setkey(hd, key, len) != GPG_ERR_NO_ERROR) {
+		gcry_cipher_close(hd);
+		return NULL;
+	}
+
+	return hd;
+}
+
+
+void aes_decrypt(void *ctx, const u8 *crypt, u8 *plain)
+{
+	gcry_cipher_hd_t hd = ctx;
+	gcry_cipher_decrypt(hd, plain, 16, crypt, 16);
+}
+
+
+void aes_decrypt_deinit(void *ctx)
+{
+	gcry_cipher_hd_t hd = ctx;
+	gcry_cipher_close(hd);
+}
+
+
+int crypto_mod_exp(const u8 *base, size_t base_len,
+		   const u8 *power, size_t power_len,
+		   const u8 *modulus, size_t modulus_len,
+		   u8 *result, size_t *result_len)
+{
+	gcry_mpi_t bn_base = NULL, bn_exp = NULL, bn_modulus = NULL,
+		bn_result = NULL;
+	int ret = -1;
+
+	if (gcry_mpi_scan(&bn_base, GCRYMPI_FMT_USG, base, base_len, NULL) !=
+	    GPG_ERR_NO_ERROR ||
+	    gcry_mpi_scan(&bn_exp, GCRYMPI_FMT_USG, power, power_len, NULL) !=
+	    GPG_ERR_NO_ERROR ||
+	    gcry_mpi_scan(&bn_modulus, GCRYMPI_FMT_USG, modulus, modulus_len,
+			  NULL) != GPG_ERR_NO_ERROR)
+		goto error;
+	bn_result = gcry_mpi_new(modulus_len * 8);
+
+	gcry_mpi_powm(bn_result, bn_base, bn_exp, bn_modulus);
+
+	if (gcry_mpi_print(GCRYMPI_FMT_USG, result, *result_len, result_len,
+			   bn_result) != GPG_ERR_NO_ERROR)
+		goto error;
+
+	ret = 0;
+
+error:
+	gcry_mpi_release(bn_base);
+	gcry_mpi_release(bn_exp);
+	gcry_mpi_release(bn_modulus);
+	gcry_mpi_release(bn_result);
+	return ret;
+}
+
+
+struct crypto_cipher {
+	gcry_cipher_hd_t enc;
+	gcry_cipher_hd_t dec;
+};
+
+
+struct crypto_cipher * crypto_cipher_init(enum crypto_cipher_alg alg,
+					  const u8 *iv, const u8 *key,
+					  size_t key_len)
+{
+	struct crypto_cipher *ctx;
+	gcry_error_t res;
+	enum gcry_cipher_algos a;
+	int ivlen;
+
+	ctx = os_zalloc(sizeof(*ctx));
+	if (ctx == NULL)
+		return NULL;
+
+	switch (alg) {
+	case CRYPTO_CIPHER_ALG_RC4:
+		a = GCRY_CIPHER_ARCFOUR;
+		res = gcry_cipher_open(&ctx->enc, a, GCRY_CIPHER_MODE_STREAM,
+				       0);
+		gcry_cipher_open(&ctx->dec, a, GCRY_CIPHER_MODE_STREAM, 0);
+		break;
+	case CRYPTO_CIPHER_ALG_AES:
+		if (key_len == 24)
+			a = GCRY_CIPHER_AES192;
+		else if (key_len == 32)
+			a = GCRY_CIPHER_AES256;
+		else
+			a = GCRY_CIPHER_AES;
+		res = gcry_cipher_open(&ctx->enc, a, GCRY_CIPHER_MODE_CBC, 0);
+		gcry_cipher_open(&ctx->dec, a, GCRY_CIPHER_MODE_CBC, 0);
+		break;
+	case CRYPTO_CIPHER_ALG_3DES:
+		a = GCRY_CIPHER_3DES;
+		res = gcry_cipher_open(&ctx->enc, a, GCRY_CIPHER_MODE_CBC, 0);
+		gcry_cipher_open(&ctx->dec, a, GCRY_CIPHER_MODE_CBC, 0);
+		break;
+	case CRYPTO_CIPHER_ALG_DES:
+		a = GCRY_CIPHER_DES;
+		res = gcry_cipher_open(&ctx->enc, a, GCRY_CIPHER_MODE_CBC, 0);
+		gcry_cipher_open(&ctx->dec, a, GCRY_CIPHER_MODE_CBC, 0);
+		break;
+	case CRYPTO_CIPHER_ALG_RC2:
+		if (key_len == 5)
+			a = GCRY_CIPHER_RFC2268_40;
+		else
+			a = GCRY_CIPHER_RFC2268_128;
+		res = gcry_cipher_open(&ctx->enc, a, GCRY_CIPHER_MODE_CBC, 0);
+		gcry_cipher_open(&ctx->dec, a, GCRY_CIPHER_MODE_CBC, 0);
+		break;
+	default:
+		os_free(ctx);
+		return NULL;
+	}
+
+	if (res != GPG_ERR_NO_ERROR) {
+		os_free(ctx);
+		return NULL;
+	}
+
+	if (gcry_cipher_setkey(ctx->enc, key, key_len) != GPG_ERR_NO_ERROR ||
+	    gcry_cipher_setkey(ctx->dec, key, key_len) != GPG_ERR_NO_ERROR) {
+		gcry_cipher_close(ctx->enc);
+		gcry_cipher_close(ctx->dec);
+		os_free(ctx);
+		return NULL;
+	}
+
+	ivlen = gcry_cipher_get_algo_blklen(a);
+	if (gcry_cipher_setiv(ctx->enc, iv, ivlen) != GPG_ERR_NO_ERROR ||
+	    gcry_cipher_setiv(ctx->dec, iv, ivlen) != GPG_ERR_NO_ERROR) {
+		gcry_cipher_close(ctx->enc);
+		gcry_cipher_close(ctx->dec);
+		os_free(ctx);
+		return NULL;
+	}
+
+	return ctx;
+}
+
+
+int crypto_cipher_encrypt(struct crypto_cipher *ctx, const u8 *plain,
+			  u8 *crypt, size_t len)
+{
+	if (gcry_cipher_encrypt(ctx->enc, crypt, len, plain, len) !=
+	    GPG_ERR_NO_ERROR)
+		return -1;
+	return 0;
+}
+
+
+int crypto_cipher_decrypt(struct crypto_cipher *ctx, const u8 *crypt,
+			  u8 *plain, size_t len)
+{
+	if (gcry_cipher_decrypt(ctx->dec, plain, len, crypt, len) !=
+	    GPG_ERR_NO_ERROR)
+		return -1;
+	return 0;
+}
+
+
+void crypto_cipher_deinit(struct crypto_cipher *ctx)
+{
+	gcry_cipher_close(ctx->enc);
+	gcry_cipher_close(ctx->dec);
+	os_free(ctx);
+}
diff --git a/src/crypto/crypto_internal-cipher.c b/src/crypto/crypto_internal-cipher.c
new file mode 100644
index 0000000..75134f0
--- /dev/null
+++ b/src/crypto/crypto_internal-cipher.c
@@ -0,0 +1,256 @@
+/*
+ * Crypto wrapper for internal crypto implementation - Cipher wrappers
+ * Copyright (c) 2006-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto.h"
+#include "aes.h"
+#include "des_i.h"
+
+
+struct crypto_cipher {
+	enum crypto_cipher_alg alg;
+	union {
+		struct {
+			size_t used_bytes;
+			u8 key[16];
+			size_t keylen;
+		} rc4;
+		struct {
+			u8 cbc[32];
+			size_t block_size;
+			void *ctx_enc;
+			void *ctx_dec;
+		} aes;
+		struct {
+			struct des3_key_s key;
+			u8 cbc[8];
+		} des3;
+		struct {
+			u32 ek[32];
+			u32 dk[32];
+			u8 cbc[8];
+		} des;
+	} u;
+};
+
+
+struct crypto_cipher * crypto_cipher_init(enum crypto_cipher_alg alg,
+					  const u8 *iv, const u8 *key,
+					  size_t key_len)
+{
+	struct crypto_cipher *ctx;
+
+	ctx = os_zalloc(sizeof(*ctx));
+	if (ctx == NULL)
+		return NULL;
+
+	ctx->alg = alg;
+
+	switch (alg) {
+	case CRYPTO_CIPHER_ALG_RC4:
+		if (key_len > sizeof(ctx->u.rc4.key)) {
+			os_free(ctx);
+			return NULL;
+		}
+		ctx->u.rc4.keylen = key_len;
+		os_memcpy(ctx->u.rc4.key, key, key_len);
+		break;
+	case CRYPTO_CIPHER_ALG_AES:
+		if (key_len > sizeof(ctx->u.aes.cbc)) {
+			os_free(ctx);
+			return NULL;
+		}
+		ctx->u.aes.ctx_enc = aes_encrypt_init(key, key_len);
+		if (ctx->u.aes.ctx_enc == NULL) {
+			os_free(ctx);
+			return NULL;
+		}
+		ctx->u.aes.ctx_dec = aes_decrypt_init(key, key_len);
+		if (ctx->u.aes.ctx_dec == NULL) {
+			aes_encrypt_deinit(ctx->u.aes.ctx_enc);
+			os_free(ctx);
+			return NULL;
+		}
+		ctx->u.aes.block_size = key_len;
+		os_memcpy(ctx->u.aes.cbc, iv, ctx->u.aes.block_size);
+		break;
+	case CRYPTO_CIPHER_ALG_3DES:
+		if (key_len != 24) {
+			os_free(ctx);
+			return NULL;
+		}
+		des3_key_setup(key, &ctx->u.des3.key);
+		os_memcpy(ctx->u.des3.cbc, iv, 8);
+		break;
+	case CRYPTO_CIPHER_ALG_DES:
+		if (key_len != 8) {
+			os_free(ctx);
+			return NULL;
+		}
+		des_key_setup(key, ctx->u.des.ek, ctx->u.des.dk);
+		os_memcpy(ctx->u.des.cbc, iv, 8);
+		break;
+	default:
+		os_free(ctx);
+		return NULL;
+	}
+
+	return ctx;
+}
+
+
+int crypto_cipher_encrypt(struct crypto_cipher *ctx, const u8 *plain,
+			  u8 *crypt, size_t len)
+{
+	size_t i, j, blocks;
+
+	switch (ctx->alg) {
+	case CRYPTO_CIPHER_ALG_RC4:
+		if (plain != crypt)
+			os_memcpy(crypt, plain, len);
+		rc4_skip(ctx->u.rc4.key, ctx->u.rc4.keylen,
+			 ctx->u.rc4.used_bytes, crypt, len);
+		ctx->u.rc4.used_bytes += len;
+		break;
+	case CRYPTO_CIPHER_ALG_AES:
+		if (len % ctx->u.aes.block_size)
+			return -1;
+		blocks = len / ctx->u.aes.block_size;
+		for (i = 0; i < blocks; i++) {
+			for (j = 0; j < ctx->u.aes.block_size; j++)
+				ctx->u.aes.cbc[j] ^= plain[j];
+			aes_encrypt(ctx->u.aes.ctx_enc, ctx->u.aes.cbc,
+				    ctx->u.aes.cbc);
+			os_memcpy(crypt, ctx->u.aes.cbc,
+				  ctx->u.aes.block_size);
+			plain += ctx->u.aes.block_size;
+			crypt += ctx->u.aes.block_size;
+		}
+		break;
+	case CRYPTO_CIPHER_ALG_3DES:
+		if (len % 8)
+			return -1;
+		blocks = len / 8;
+		for (i = 0; i < blocks; i++) {
+			for (j = 0; j < 8; j++)
+				ctx->u.des3.cbc[j] ^= plain[j];
+			des3_encrypt(ctx->u.des3.cbc, &ctx->u.des3.key,
+				     ctx->u.des3.cbc);
+			os_memcpy(crypt, ctx->u.des3.cbc, 8);
+			plain += 8;
+			crypt += 8;
+		}
+		break;
+	case CRYPTO_CIPHER_ALG_DES:
+		if (len % 8)
+			return -1;
+		blocks = len / 8;
+		for (i = 0; i < blocks; i++) {
+			for (j = 0; j < 8; j++)
+				ctx->u.des3.cbc[j] ^= plain[j];
+			des_block_encrypt(ctx->u.des.cbc, ctx->u.des.ek,
+					  ctx->u.des.cbc);
+			os_memcpy(crypt, ctx->u.des.cbc, 8);
+			plain += 8;
+			crypt += 8;
+		}
+		break;
+	default:
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int crypto_cipher_decrypt(struct crypto_cipher *ctx, const u8 *crypt,
+			  u8 *plain, size_t len)
+{
+	size_t i, j, blocks;
+	u8 tmp[32];
+
+	switch (ctx->alg) {
+	case CRYPTO_CIPHER_ALG_RC4:
+		if (plain != crypt)
+			os_memcpy(plain, crypt, len);
+		rc4_skip(ctx->u.rc4.key, ctx->u.rc4.keylen,
+			 ctx->u.rc4.used_bytes, plain, len);
+		ctx->u.rc4.used_bytes += len;
+		break;
+	case CRYPTO_CIPHER_ALG_AES:
+		if (len % ctx->u.aes.block_size)
+			return -1;
+		blocks = len / ctx->u.aes.block_size;
+		for (i = 0; i < blocks; i++) {
+			os_memcpy(tmp, crypt, ctx->u.aes.block_size);
+			aes_decrypt(ctx->u.aes.ctx_dec, crypt, plain);
+			for (j = 0; j < ctx->u.aes.block_size; j++)
+				plain[j] ^= ctx->u.aes.cbc[j];
+			os_memcpy(ctx->u.aes.cbc, tmp, ctx->u.aes.block_size);
+			plain += ctx->u.aes.block_size;
+			crypt += ctx->u.aes.block_size;
+		}
+		break;
+	case CRYPTO_CIPHER_ALG_3DES:
+		if (len % 8)
+			return -1;
+		blocks = len / 8;
+		for (i = 0; i < blocks; i++) {
+			os_memcpy(tmp, crypt, 8);
+			des3_decrypt(crypt, &ctx->u.des3.key, plain);
+			for (j = 0; j < 8; j++)
+				plain[j] ^= ctx->u.des3.cbc[j];
+			os_memcpy(ctx->u.des3.cbc, tmp, 8);
+			plain += 8;
+			crypt += 8;
+		}
+		break;
+	case CRYPTO_CIPHER_ALG_DES:
+		if (len % 8)
+			return -1;
+		blocks = len / 8;
+		for (i = 0; i < blocks; i++) {
+			os_memcpy(tmp, crypt, 8);
+			des_block_decrypt(crypt, ctx->u.des.dk, plain);
+			for (j = 0; j < 8; j++)
+				plain[j] ^= ctx->u.des.cbc[j];
+			os_memcpy(ctx->u.des.cbc, tmp, 8);
+			plain += 8;
+			crypt += 8;
+		}
+		break;
+	default:
+		return -1;
+	}
+
+	return 0;
+}
+
+
+void crypto_cipher_deinit(struct crypto_cipher *ctx)
+{
+	switch (ctx->alg) {
+	case CRYPTO_CIPHER_ALG_AES:
+		aes_encrypt_deinit(ctx->u.aes.ctx_enc);
+		aes_decrypt_deinit(ctx->u.aes.ctx_dec);
+		break;
+	case CRYPTO_CIPHER_ALG_3DES:
+		break;
+	default:
+		break;
+	}
+	os_free(ctx);
+}
diff --git a/src/crypto/crypto_internal-modexp.c b/src/crypto/crypto_internal-modexp.c
new file mode 100644
index 0000000..3124742
--- /dev/null
+++ b/src/crypto/crypto_internal-modexp.c
@@ -0,0 +1,55 @@
+/*
+ * Crypto wrapper for internal crypto implementation - modexp
+ * Copyright (c) 2006-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "tls/bignum.h"
+#include "crypto.h"
+
+
+int crypto_mod_exp(const u8 *base, size_t base_len,
+		   const u8 *power, size_t power_len,
+		   const u8 *modulus, size_t modulus_len,
+		   u8 *result, size_t *result_len)
+{
+	struct bignum *bn_base, *bn_exp, *bn_modulus, *bn_result;
+	int ret = -1;
+
+	bn_base = bignum_init();
+	bn_exp = bignum_init();
+	bn_modulus = bignum_init();
+	bn_result = bignum_init();
+
+	if (bn_base == NULL || bn_exp == NULL || bn_modulus == NULL ||
+	    bn_result == NULL)
+		goto error;
+
+	if (bignum_set_unsigned_bin(bn_base, base, base_len) < 0 ||
+	    bignum_set_unsigned_bin(bn_exp, power, power_len) < 0 ||
+	    bignum_set_unsigned_bin(bn_modulus, modulus, modulus_len) < 0)
+		goto error;
+
+	if (bignum_exptmod(bn_base, bn_exp, bn_modulus, bn_result) < 0)
+		goto error;
+
+	ret = bignum_get_unsigned_bin(bn_result, result, result_len);
+
+error:
+	bignum_deinit(bn_base);
+	bignum_deinit(bn_exp);
+	bignum_deinit(bn_modulus);
+	bignum_deinit(bn_result);
+	return ret;
+}
diff --git a/src/crypto/crypto_internal-rsa.c b/src/crypto/crypto_internal-rsa.c
new file mode 100644
index 0000000..205042c
--- /dev/null
+++ b/src/crypto/crypto_internal-rsa.c
@@ -0,0 +1,115 @@
+/*
+ * Crypto wrapper for internal crypto implementation - RSA parts
+ * Copyright (c) 2006-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto.h"
+#include "tls/rsa.h"
+#include "tls/bignum.h"
+#include "tls/pkcs1.h"
+#include "tls/pkcs8.h"
+
+/* Dummy structures; these are just typecast to struct crypto_rsa_key */
+struct crypto_public_key;
+struct crypto_private_key;
+
+
+struct crypto_public_key * crypto_public_key_import(const u8 *key, size_t len)
+{
+	return (struct crypto_public_key *)
+		crypto_rsa_import_public_key(key, len);
+}
+
+
+struct crypto_private_key * crypto_private_key_import(const u8 *key,
+						      size_t len,
+						      const char *passwd)
+{
+	struct crypto_private_key *res;
+
+	/* First, check for possible PKCS #8 encoding */
+	res = pkcs8_key_import(key, len);
+	if (res)
+		return res;
+
+	if (passwd) {
+		/* Try to parse as encrypted PKCS #8 */
+		res = pkcs8_enc_key_import(key, len, passwd);
+		if (res)
+			return res;
+	}
+
+	/* Not PKCS#8, so try to import PKCS #1 encoded RSA private key */
+	wpa_printf(MSG_DEBUG, "Trying to parse PKCS #1 encoded RSA private "
+		   "key");
+	return (struct crypto_private_key *)
+		crypto_rsa_import_private_key(key, len);
+}
+
+
+struct crypto_public_key * crypto_public_key_from_cert(const u8 *buf,
+						       size_t len)
+{
+	/* No X.509 support in crypto_internal.c */
+	return NULL;
+}
+
+
+int crypto_public_key_encrypt_pkcs1_v15(struct crypto_public_key *key,
+					const u8 *in, size_t inlen,
+					u8 *out, size_t *outlen)
+{
+	return pkcs1_encrypt(2, (struct crypto_rsa_key *) key,
+			     0, in, inlen, out, outlen);
+}
+
+
+int crypto_private_key_decrypt_pkcs1_v15(struct crypto_private_key *key,
+					 const u8 *in, size_t inlen,
+					 u8 *out, size_t *outlen)
+{
+	return pkcs1_v15_private_key_decrypt((struct crypto_rsa_key *) key,
+					     in, inlen, out, outlen);
+}
+
+
+int crypto_private_key_sign_pkcs1(struct crypto_private_key *key,
+				  const u8 *in, size_t inlen,
+				  u8 *out, size_t *outlen)
+{
+	return pkcs1_encrypt(1, (struct crypto_rsa_key *) key,
+			     1, in, inlen, out, outlen);
+}
+
+
+void crypto_public_key_free(struct crypto_public_key *key)
+{
+	crypto_rsa_free((struct crypto_rsa_key *) key);
+}
+
+
+void crypto_private_key_free(struct crypto_private_key *key)
+{
+	crypto_rsa_free((struct crypto_rsa_key *) key);
+}
+
+
+int crypto_public_key_decrypt_pkcs1(struct crypto_public_key *key,
+				    const u8 *crypt, size_t crypt_len,
+				    u8 *plain, size_t *plain_len)
+{
+	return pkcs1_decrypt_public_key((struct crypto_rsa_key *) key,
+					crypt, crypt_len, plain, plain_len);
+}
diff --git a/src/crypto/crypto_internal.c b/src/crypto/crypto_internal.c
new file mode 100644
index 0000000..8fdba65
--- /dev/null
+++ b/src/crypto/crypto_internal.c
@@ -0,0 +1,205 @@
+/*
+ * Crypto wrapper for internal crypto implementation
+ * Copyright (c) 2006-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto.h"
+#include "sha1_i.h"
+#include "md5_i.h"
+
+struct crypto_hash {
+	enum crypto_hash_alg alg;
+	union {
+		struct MD5Context md5;
+		struct SHA1Context sha1;
+	} u;
+	u8 key[64];
+	size_t key_len;
+};
+
+
+struct crypto_hash * crypto_hash_init(enum crypto_hash_alg alg, const u8 *key,
+				      size_t key_len)
+{
+	struct crypto_hash *ctx;
+	u8 k_pad[64];
+	u8 tk[20];
+	size_t i;
+
+	ctx = os_zalloc(sizeof(*ctx));
+	if (ctx == NULL)
+		return NULL;
+
+	ctx->alg = alg;
+
+	switch (alg) {
+	case CRYPTO_HASH_ALG_MD5:
+		MD5Init(&ctx->u.md5);
+		break;
+	case CRYPTO_HASH_ALG_SHA1:
+		SHA1Init(&ctx->u.sha1);
+		break;
+	case CRYPTO_HASH_ALG_HMAC_MD5:
+		if (key_len > sizeof(k_pad)) {
+			MD5Init(&ctx->u.md5);
+			MD5Update(&ctx->u.md5, key, key_len);
+			MD5Final(tk, &ctx->u.md5);
+			key = tk;
+			key_len = 16;
+		}
+		os_memcpy(ctx->key, key, key_len);
+		ctx->key_len = key_len;
+
+		os_memcpy(k_pad, key, key_len);
+		os_memset(k_pad + key_len, 0, sizeof(k_pad) - key_len);
+		for (i = 0; i < sizeof(k_pad); i++)
+			k_pad[i] ^= 0x36;
+		MD5Init(&ctx->u.md5);
+		MD5Update(&ctx->u.md5, k_pad, sizeof(k_pad));
+		break;
+	case CRYPTO_HASH_ALG_HMAC_SHA1:
+		if (key_len > sizeof(k_pad)) {
+			SHA1Init(&ctx->u.sha1);
+			SHA1Update(&ctx->u.sha1, key, key_len);
+			SHA1Final(tk, &ctx->u.sha1);
+			key = tk;
+			key_len = 20;
+		}
+		os_memcpy(ctx->key, key, key_len);
+		ctx->key_len = key_len;
+
+		os_memcpy(k_pad, key, key_len);
+		os_memset(k_pad + key_len, 0, sizeof(k_pad) - key_len);
+		for (i = 0; i < sizeof(k_pad); i++)
+			k_pad[i] ^= 0x36;
+		SHA1Init(&ctx->u.sha1);
+		SHA1Update(&ctx->u.sha1, k_pad, sizeof(k_pad));
+		break;
+	default:
+		os_free(ctx);
+		return NULL;
+	}
+
+	return ctx;
+}
+
+
+void crypto_hash_update(struct crypto_hash *ctx, const u8 *data, size_t len)
+{
+	if (ctx == NULL)
+		return;
+
+	switch (ctx->alg) {
+	case CRYPTO_HASH_ALG_MD5:
+	case CRYPTO_HASH_ALG_HMAC_MD5:
+		MD5Update(&ctx->u.md5, data, len);
+		break;
+	case CRYPTO_HASH_ALG_SHA1:
+	case CRYPTO_HASH_ALG_HMAC_SHA1:
+		SHA1Update(&ctx->u.sha1, data, len);
+		break;
+	}
+}
+
+
+int crypto_hash_finish(struct crypto_hash *ctx, u8 *mac, size_t *len)
+{
+	u8 k_pad[64];
+	size_t i;
+
+	if (ctx == NULL)
+		return -2;
+
+	if (mac == NULL || len == NULL) {
+		os_free(ctx);
+		return 0;
+	}
+
+	switch (ctx->alg) {
+	case CRYPTO_HASH_ALG_MD5:
+		if (*len < 16) {
+			*len = 16;
+			os_free(ctx);
+			return -1;
+		}
+		*len = 16;
+		MD5Final(mac, &ctx->u.md5);
+		break;
+	case CRYPTO_HASH_ALG_SHA1:
+		if (*len < 20) {
+			*len = 20;
+			os_free(ctx);
+			return -1;
+		}
+		*len = 20;
+		SHA1Final(mac, &ctx->u.sha1);
+		break;
+	case CRYPTO_HASH_ALG_HMAC_MD5:
+		if (*len < 16) {
+			*len = 16;
+			os_free(ctx);
+			return -1;
+		}
+		*len = 16;
+
+		MD5Final(mac, &ctx->u.md5);
+
+		os_memcpy(k_pad, ctx->key, ctx->key_len);
+		os_memset(k_pad + ctx->key_len, 0,
+			  sizeof(k_pad) - ctx->key_len);
+		for (i = 0; i < sizeof(k_pad); i++)
+			k_pad[i] ^= 0x5c;
+		MD5Init(&ctx->u.md5);
+		MD5Update(&ctx->u.md5, k_pad, sizeof(k_pad));
+		MD5Update(&ctx->u.md5, mac, 16);
+		MD5Final(mac, &ctx->u.md5);
+		break;
+	case CRYPTO_HASH_ALG_HMAC_SHA1:
+		if (*len < 20) {
+			*len = 20;
+			os_free(ctx);
+			return -1;
+		}
+		*len = 20;
+
+		SHA1Final(mac, &ctx->u.sha1);
+
+		os_memcpy(k_pad, ctx->key, ctx->key_len);
+		os_memset(k_pad + ctx->key_len, 0,
+			  sizeof(k_pad) - ctx->key_len);
+		for (i = 0; i < sizeof(k_pad); i++)
+			k_pad[i] ^= 0x5c;
+		SHA1Init(&ctx->u.sha1);
+		SHA1Update(&ctx->u.sha1, k_pad, sizeof(k_pad));
+		SHA1Update(&ctx->u.sha1, mac, 20);
+		SHA1Final(mac, &ctx->u.sha1);
+		break;
+	}
+
+	os_free(ctx);
+
+	return 0;
+}
+
+
+int crypto_global_init(void)
+{
+	return 0;
+}
+
+
+void crypto_global_deinit(void)
+{
+}
diff --git a/src/crypto/crypto_libtomcrypt.c b/src/crypto/crypto_libtomcrypt.c
new file mode 100644
index 0000000..52b67a7
--- /dev/null
+++ b/src/crypto/crypto_libtomcrypt.c
@@ -0,0 +1,732 @@
+/*
+ * WPA Supplicant / Crypto wrapper for LibTomCrypt (for internal TLSv1)
+ * Copyright (c) 2005-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <tomcrypt.h>
+
+#include "common.h"
+#include "crypto.h"
+
+#ifndef mp_init_multi
+#define mp_init_multi                ltc_init_multi
+#define mp_clear_multi               ltc_deinit_multi
+#define mp_unsigned_bin_size(a)      ltc_mp.unsigned_size(a)
+#define mp_to_unsigned_bin(a, b)     ltc_mp.unsigned_write(a, b)
+#define mp_read_unsigned_bin(a, b, c) ltc_mp.unsigned_read(a, b, c)
+#define mp_exptmod(a,b,c,d)          ltc_mp.exptmod(a,b,c,d)
+#endif
+
+
+int md4_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	hash_state md;
+	size_t i;
+
+	md4_init(&md);
+	for (i = 0; i < num_elem; i++)
+		md4_process(&md, addr[i], len[i]);
+	md4_done(&md, mac);
+	return 0;
+}
+
+
+void des_encrypt(const u8 *clear, const u8 *key, u8 *cypher)
+{
+	u8 pkey[8], next, tmp;
+	int i;
+	symmetric_key skey;
+
+	/* Add parity bits to the key */
+	next = 0;
+	for (i = 0; i < 7; i++) {
+		tmp = key[i];
+		pkey[i] = (tmp >> i) | next | 1;
+		next = tmp << (7 - i);
+	}
+	pkey[i] = next | 1;
+
+	des_setup(pkey, 8, 0, &skey);
+	des_ecb_encrypt(clear, cypher, &skey);
+	des_done(&skey);
+}
+
+
+int md5_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	hash_state md;
+	size_t i;
+
+	md5_init(&md);
+	for (i = 0; i < num_elem; i++)
+		md5_process(&md, addr[i], len[i]);
+	md5_done(&md, mac);
+	return 0;
+}
+
+
+int sha1_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	hash_state md;
+	size_t i;
+
+	sha1_init(&md);
+	for (i = 0; i < num_elem; i++)
+		sha1_process(&md, addr[i], len[i]);
+	sha1_done(&md, mac);
+	return 0;
+}
+
+
+void * aes_encrypt_init(const u8 *key, size_t len)
+{
+	symmetric_key *skey;
+	skey = os_malloc(sizeof(*skey));
+	if (skey == NULL)
+		return NULL;
+	if (aes_setup(key, len, 0, skey) != CRYPT_OK) {
+		os_free(skey);
+		return NULL;
+	}
+	return skey;
+}
+
+
+void aes_encrypt(void *ctx, const u8 *plain, u8 *crypt)
+{
+	symmetric_key *skey = ctx;
+	aes_ecb_encrypt(plain, crypt, skey);
+}
+
+
+void aes_encrypt_deinit(void *ctx)
+{
+	symmetric_key *skey = ctx;
+	aes_done(skey);
+	os_free(skey);
+}
+
+
+void * aes_decrypt_init(const u8 *key, size_t len)
+{
+	symmetric_key *skey;
+	skey = os_malloc(sizeof(*skey));
+	if (skey == NULL)
+		return NULL;
+	if (aes_setup(key, len, 0, skey) != CRYPT_OK) {
+		os_free(skey);
+		return NULL;
+	}
+	return skey;
+}
+
+
+void aes_decrypt(void *ctx, const u8 *crypt, u8 *plain)
+{
+	symmetric_key *skey = ctx;
+	aes_ecb_encrypt(plain, (u8 *) crypt, skey);
+}
+
+
+void aes_decrypt_deinit(void *ctx)
+{
+	symmetric_key *skey = ctx;
+	aes_done(skey);
+	os_free(skey);
+}
+
+
+struct crypto_hash {
+	enum crypto_hash_alg alg;
+	int error;
+	union {
+		hash_state md;
+		hmac_state hmac;
+	} u;
+};
+
+
+struct crypto_hash * crypto_hash_init(enum crypto_hash_alg alg, const u8 *key,
+				      size_t key_len)
+{
+	struct crypto_hash *ctx;
+
+	ctx = os_zalloc(sizeof(*ctx));
+	if (ctx == NULL)
+		return NULL;
+
+	ctx->alg = alg;
+
+	switch (alg) {
+	case CRYPTO_HASH_ALG_MD5:
+		if (md5_init(&ctx->u.md) != CRYPT_OK)
+			goto fail;
+		break;
+	case CRYPTO_HASH_ALG_SHA1:
+		if (sha1_init(&ctx->u.md) != CRYPT_OK)
+			goto fail;
+		break;
+	case CRYPTO_HASH_ALG_HMAC_MD5:
+		if (hmac_init(&ctx->u.hmac, find_hash("md5"), key, key_len) !=
+		    CRYPT_OK)
+			goto fail;
+		break;
+	case CRYPTO_HASH_ALG_HMAC_SHA1:
+		if (hmac_init(&ctx->u.hmac, find_hash("sha1"), key, key_len) !=
+		    CRYPT_OK)
+			goto fail;
+		break;
+	default:
+		goto fail;
+	}
+
+	return ctx;
+
+fail:
+	os_free(ctx);
+	return NULL;
+}
+
+void crypto_hash_update(struct crypto_hash *ctx, const u8 *data, size_t len)
+{
+	if (ctx == NULL || ctx->error)
+		return;
+
+	switch (ctx->alg) {
+	case CRYPTO_HASH_ALG_MD5:
+		ctx->error = md5_process(&ctx->u.md, data, len) != CRYPT_OK;
+		break;
+	case CRYPTO_HASH_ALG_SHA1:
+		ctx->error = sha1_process(&ctx->u.md, data, len) != CRYPT_OK;
+		break;
+	case CRYPTO_HASH_ALG_HMAC_MD5:
+	case CRYPTO_HASH_ALG_HMAC_SHA1:
+		ctx->error = hmac_process(&ctx->u.hmac, data, len) != CRYPT_OK;
+		break;
+	}
+}
+
+
+int crypto_hash_finish(struct crypto_hash *ctx, u8 *mac, size_t *len)
+{
+	int ret = 0;
+	unsigned long clen;
+
+	if (ctx == NULL)
+		return -2;
+
+	if (mac == NULL || len == NULL) {
+		os_free(ctx);
+		return 0;
+	}
+
+	if (ctx->error) {
+		os_free(ctx);
+		return -2;
+	}
+
+	switch (ctx->alg) {
+	case CRYPTO_HASH_ALG_MD5:
+		if (*len < 16) {
+			*len = 16;
+			os_free(ctx);
+			return -1;
+		}
+		*len = 16;
+		if (md5_done(&ctx->u.md, mac) != CRYPT_OK)
+			ret = -2;
+		break;
+	case CRYPTO_HASH_ALG_SHA1:
+		if (*len < 20) {
+			*len = 20;
+			os_free(ctx);
+			return -1;
+		}
+		*len = 20;
+		if (sha1_done(&ctx->u.md, mac) != CRYPT_OK)
+			ret = -2;
+		break;
+	case CRYPTO_HASH_ALG_HMAC_SHA1:
+		if (*len < 20) {
+			*len = 20;
+			os_free(ctx);
+			return -1;
+		}
+		/* continue */
+	case CRYPTO_HASH_ALG_HMAC_MD5:
+		if (*len < 16) {
+			*len = 16;
+			os_free(ctx);
+			return -1;
+		}
+		clen = *len;
+		if (hmac_done(&ctx->u.hmac, mac, &clen) != CRYPT_OK) {
+			os_free(ctx);
+			return -1;
+		}
+		*len = clen;
+		break;
+	default:
+		ret = -2;
+		break;
+	}
+
+	os_free(ctx);
+
+	return ret;
+}
+
+
+struct crypto_cipher {
+	int rc4;
+	union {
+		symmetric_CBC cbc;
+		struct {
+			size_t used_bytes;
+			u8 key[16];
+			size_t keylen;
+		} rc4;
+	} u;
+};
+
+
+struct crypto_cipher * crypto_cipher_init(enum crypto_cipher_alg alg,
+					  const u8 *iv, const u8 *key,
+					  size_t key_len)
+{	
+	struct crypto_cipher *ctx;
+	int idx, res, rc4 = 0;
+
+	switch (alg) {
+	case CRYPTO_CIPHER_ALG_AES:
+		idx = find_cipher("aes");
+		break;
+	case CRYPTO_CIPHER_ALG_3DES:
+		idx = find_cipher("3des");
+		break;
+	case CRYPTO_CIPHER_ALG_DES:
+		idx = find_cipher("des");
+		break;
+	case CRYPTO_CIPHER_ALG_RC2:
+		idx = find_cipher("rc2");
+		break;
+	case CRYPTO_CIPHER_ALG_RC4:
+		idx = -1;
+		rc4 = 1;
+		break;
+	default:
+		return NULL;
+	}
+
+	ctx = os_zalloc(sizeof(*ctx));
+	if (ctx == NULL)
+		return NULL;
+
+	if (rc4) {
+		ctx->rc4 = 1;
+		if (key_len > sizeof(ctx->u.rc4.key)) {
+			os_free(ctx);
+			return NULL;
+		}
+		ctx->u.rc4.keylen = key_len;
+		os_memcpy(ctx->u.rc4.key, key, key_len);
+	} else {
+		res = cbc_start(idx, iv, key, key_len, 0, &ctx->u.cbc);
+		if (res != CRYPT_OK) {
+			wpa_printf(MSG_DEBUG, "LibTomCrypt: Cipher start "
+				   "failed: %s", error_to_string(res));
+			os_free(ctx);
+			return NULL;
+		}
+	}
+
+	return ctx;
+}
+
+int crypto_cipher_encrypt(struct crypto_cipher *ctx, const u8 *plain,
+			  u8 *crypt, size_t len)
+{
+	int res;
+
+	if (ctx->rc4) {
+		if (plain != crypt)
+			os_memcpy(crypt, plain, len);
+		rc4_skip(ctx->u.rc4.key, ctx->u.rc4.keylen,
+			 ctx->u.rc4.used_bytes, crypt, len);
+		ctx->u.rc4.used_bytes += len;
+		return 0;
+	}
+
+	res = cbc_encrypt(plain, crypt, len, &ctx->u.cbc);
+	if (res != CRYPT_OK) {
+		wpa_printf(MSG_DEBUG, "LibTomCrypt: CBC encryption "
+			   "failed: %s", error_to_string(res));
+		return -1;
+	}
+	return 0;
+}
+
+
+int crypto_cipher_decrypt(struct crypto_cipher *ctx, const u8 *crypt,
+			  u8 *plain, size_t len)
+{
+	int res;
+
+	if (ctx->rc4) {
+		if (plain != crypt)
+			os_memcpy(plain, crypt, len);
+		rc4_skip(ctx->u.rc4.key, ctx->u.rc4.keylen,
+			 ctx->u.rc4.used_bytes, plain, len);
+		ctx->u.rc4.used_bytes += len;
+		return 0;
+	}
+
+	res = cbc_decrypt(crypt, plain, len, &ctx->u.cbc);
+	if (res != CRYPT_OK) {
+		wpa_printf(MSG_DEBUG, "LibTomCrypt: CBC decryption "
+			   "failed: %s", error_to_string(res));
+		return -1;
+	}
+
+	return 0;
+}
+
+
+void crypto_cipher_deinit(struct crypto_cipher *ctx)
+{
+	if (!ctx->rc4)
+		cbc_done(&ctx->u.cbc);
+	os_free(ctx);
+}
+
+
+struct crypto_public_key {
+	rsa_key rsa;
+};
+
+struct crypto_private_key {
+	rsa_key rsa;
+};
+
+
+struct crypto_public_key * crypto_public_key_import(const u8 *key, size_t len)
+{
+	int res;
+	struct crypto_public_key *pk;
+
+	pk = os_zalloc(sizeof(*pk));
+	if (pk == NULL)
+		return NULL;
+
+	res = rsa_import(key, len, &pk->rsa);
+	if (res != CRYPT_OK) {
+		wpa_printf(MSG_ERROR, "LibTomCrypt: Failed to import "
+			   "public key (res=%d '%s')",
+			   res, error_to_string(res));
+		os_free(pk);
+		return NULL;
+	}
+
+	if (pk->rsa.type != PK_PUBLIC) {
+		wpa_printf(MSG_ERROR, "LibTomCrypt: Public key was not of "
+			   "correct type");
+		rsa_free(&pk->rsa);
+		os_free(pk);
+		return NULL;
+	}
+
+	return pk;
+}
+
+
+struct crypto_private_key * crypto_private_key_import(const u8 *key,
+						      size_t len,
+						      const char *passwd)
+{
+	int res;
+	struct crypto_private_key *pk;
+
+	pk = os_zalloc(sizeof(*pk));
+	if (pk == NULL)
+		return NULL;
+
+	res = rsa_import(key, len, &pk->rsa);
+	if (res != CRYPT_OK) {
+		wpa_printf(MSG_ERROR, "LibTomCrypt: Failed to import "
+			   "private key (res=%d '%s')",
+			   res, error_to_string(res));
+		os_free(pk);
+		return NULL;
+	}
+
+	if (pk->rsa.type != PK_PRIVATE) {
+		wpa_printf(MSG_ERROR, "LibTomCrypt: Private key was not of "
+			   "correct type");
+		rsa_free(&pk->rsa);
+		os_free(pk);
+		return NULL;
+	}
+
+	return pk;
+}
+
+
+struct crypto_public_key * crypto_public_key_from_cert(const u8 *buf,
+						       size_t len)
+{
+	/* No X.509 support in LibTomCrypt */
+	return NULL;
+}
+
+
+static int pkcs1_generate_encryption_block(u8 block_type, size_t modlen,
+					   const u8 *in, size_t inlen,
+					   u8 *out, size_t *outlen)
+{
+	size_t ps_len;
+	u8 *pos;
+
+	/*
+	 * PKCS #1 v1.5, 8.1:
+	 *
+	 * EB = 00 || BT || PS || 00 || D
+	 * BT = 00 or 01 for private-key operation; 02 for public-key operation
+	 * PS = k-3-||D||; at least eight octets
+	 * (BT=0: PS=0x00, BT=1: PS=0xff, BT=2: PS=pseudorandom non-zero)
+	 * k = length of modulus in octets (modlen)
+	 */
+
+	if (modlen < 12 || modlen > *outlen || inlen > modlen - 11) {
+		wpa_printf(MSG_DEBUG, "PKCS #1: %s - Invalid buffer "
+			   "lengths (modlen=%lu outlen=%lu inlen=%lu)",
+			   __func__, (unsigned long) modlen,
+			   (unsigned long) *outlen,
+			   (unsigned long) inlen);
+		return -1;
+	}
+
+	pos = out;
+	*pos++ = 0x00;
+	*pos++ = block_type; /* BT */
+	ps_len = modlen - inlen - 3;
+	switch (block_type) {
+	case 0:
+		os_memset(pos, 0x00, ps_len);
+		pos += ps_len;
+		break;
+	case 1:
+		os_memset(pos, 0xff, ps_len);
+		pos += ps_len;
+		break;
+	case 2:
+		if (os_get_random(pos, ps_len) < 0) {
+			wpa_printf(MSG_DEBUG, "PKCS #1: %s - Failed to get "
+				   "random data for PS", __func__);
+			return -1;
+		}
+		while (ps_len--) {
+			if (*pos == 0x00)
+				*pos = 0x01;
+			pos++;
+		}
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "PKCS #1: %s - Unsupported block type "
+			   "%d", __func__, block_type);
+		return -1;
+	}
+	*pos++ = 0x00;
+	os_memcpy(pos, in, inlen); /* D */
+
+	return 0;
+}
+
+
+static int crypto_rsa_encrypt_pkcs1(int block_type, rsa_key *key, int key_type,
+				    const u8 *in, size_t inlen,
+				    u8 *out, size_t *outlen)
+{
+	unsigned long len, modlen;
+	int res;
+
+	modlen = mp_unsigned_bin_size(key->N);
+
+	if (pkcs1_generate_encryption_block(block_type, modlen, in, inlen,
+					    out, outlen) < 0)
+		return -1;
+
+	len = *outlen;
+	res = rsa_exptmod(out, modlen, out, &len, key_type, key);
+	if (res != CRYPT_OK) {
+		wpa_printf(MSG_DEBUG, "LibTomCrypt: rsa_exptmod failed: %s",
+			   error_to_string(res));
+		return -1;
+	}
+	*outlen = len;
+
+	return 0;
+}
+
+
+int crypto_public_key_encrypt_pkcs1_v15(struct crypto_public_key *key,
+					const u8 *in, size_t inlen,
+					u8 *out, size_t *outlen)
+{
+	return crypto_rsa_encrypt_pkcs1(2, &key->rsa, PK_PUBLIC, in, inlen,
+					out, outlen);
+}
+
+
+int crypto_private_key_sign_pkcs1(struct crypto_private_key *key,
+				  const u8 *in, size_t inlen,
+				  u8 *out, size_t *outlen)
+{
+	return crypto_rsa_encrypt_pkcs1(1, &key->rsa, PK_PRIVATE, in, inlen,
+					out, outlen);
+}
+
+
+void crypto_public_key_free(struct crypto_public_key *key)
+{
+	if (key) {
+		rsa_free(&key->rsa);
+		os_free(key);
+	}
+}
+
+
+void crypto_private_key_free(struct crypto_private_key *key)
+{
+	if (key) {
+		rsa_free(&key->rsa);
+		os_free(key);
+	}
+}
+
+
+int crypto_public_key_decrypt_pkcs1(struct crypto_public_key *key,
+				    const u8 *crypt, size_t crypt_len,
+				    u8 *plain, size_t *plain_len)
+{
+	int res;
+	unsigned long len;
+	u8 *pos;
+
+	len = *plain_len;
+	res = rsa_exptmod(crypt, crypt_len, plain, &len, PK_PUBLIC,
+			  &key->rsa);
+	if (res != CRYPT_OK) {
+		wpa_printf(MSG_DEBUG, "LibTomCrypt: rsa_exptmod failed: %s",
+			   error_to_string(res));
+		return -1;
+	}
+
+	/*
+	 * PKCS #1 v1.5, 8.1:
+	 *
+	 * EB = 00 || BT || PS || 00 || D
+	 * BT = 01
+	 * PS = k-3-||D|| times FF
+	 * k = length of modulus in octets
+	 */
+
+	if (len < 3 + 8 + 16 /* min hash len */ ||
+	    plain[0] != 0x00 || plain[1] != 0x01 || plain[2] != 0xff) {
+		wpa_printf(MSG_INFO, "LibTomCrypt: Invalid signature EB "
+			   "structure");
+		return -1;
+	}
+
+	pos = plain + 3;
+	while (pos < plain + len && *pos == 0xff)
+		pos++;
+	if (pos - plain - 2 < 8) {
+		/* PKCS #1 v1.5, 8.1: At least eight octets long PS */
+		wpa_printf(MSG_INFO, "LibTomCrypt: Too short signature "
+			   "padding");
+		return -1;
+	}
+
+	if (pos + 16 /* min hash len */ >= plain + len || *pos != 0x00) {
+		wpa_printf(MSG_INFO, "LibTomCrypt: Invalid signature EB "
+			   "structure (2)");
+		return -1;
+	}
+	pos++;
+	len -= pos - plain;
+
+	/* Strip PKCS #1 header */
+	os_memmove(plain, pos, len);
+	*plain_len = len;
+
+	return 0;
+}
+
+
+int crypto_global_init(void)
+{
+	ltc_mp = tfm_desc;
+	/* TODO: only register algorithms that are really needed */
+	if (register_hash(&md4_desc) < 0 ||
+	    register_hash(&md5_desc) < 0 ||
+	    register_hash(&sha1_desc) < 0 ||
+	    register_cipher(&aes_desc) < 0 ||
+	    register_cipher(&des_desc) < 0 ||
+	    register_cipher(&des3_desc) < 0) {
+		wpa_printf(MSG_ERROR, "TLSv1: Failed to register "
+			   "hash/cipher functions");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+void crypto_global_deinit(void)
+{
+}
+
+
+#ifdef CONFIG_MODEXP
+
+int crypto_mod_exp(const u8 *base, size_t base_len,
+		   const u8 *power, size_t power_len,
+		   const u8 *modulus, size_t modulus_len,
+		   u8 *result, size_t *result_len)
+{
+	void *b, *p, *m, *r;
+
+	if (mp_init_multi(&b, &p, &m, &r, NULL) != CRYPT_OK)
+		return -1;
+
+	if (mp_read_unsigned_bin(b, (u8 *) base, base_len) != CRYPT_OK ||
+	    mp_read_unsigned_bin(p, (u8 *) power, power_len) != CRYPT_OK ||
+	    mp_read_unsigned_bin(m, (u8 *) modulus, modulus_len) != CRYPT_OK)
+		goto fail;
+
+	if (mp_exptmod(b, p, m, r) != CRYPT_OK)
+		goto fail;
+
+	*result_len = mp_unsigned_bin_size(r);
+	if (mp_to_unsigned_bin(r, result) != CRYPT_OK)
+		goto fail;
+
+	mp_clear_multi(b, p, m, r, NULL);
+	return 0;
+
+fail:
+	mp_clear_multi(b, p, m, r, NULL);
+	return -1;
+}
+
+#endif /* CONFIG_MODEXP */
diff --git a/src/crypto/crypto_none.c b/src/crypto/crypto_none.c
new file mode 100644
index 0000000..9f43775
--- /dev/null
+++ b/src/crypto/crypto_none.c
@@ -0,0 +1,29 @@
+/*
+ * WPA Supplicant / Empty template functions for crypto wrapper
+ * Copyright (c) 2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto.h"
+
+
+int md4_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	return 0;
+}
+
+
+void des_encrypt(const u8 *clear, const u8 *key, u8 *cypher)
+{
+}
diff --git a/src/crypto/crypto_nss.c b/src/crypto/crypto_nss.c
new file mode 100644
index 0000000..fee4195
--- /dev/null
+++ b/src/crypto/crypto_nss.c
@@ -0,0 +1,213 @@
+/*
+ * Crypto wrapper functions for NSS
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <nspr/prtypes.h>
+#include <nspr/plarenas.h>
+#include <nspr/plhash.h>
+#include <nspr/prtime.h>
+#include <nspr/prinrval.h>
+#include <nspr/prclist.h>
+#include <nspr/prlock.h>
+#include <nss/sechash.h>
+#include <nss/pk11pub.h>
+
+#include "common.h"
+#include "crypto.h"
+
+
+static int nss_hash(HASH_HashType type, unsigned int max_res_len,
+		    size_t num_elem, const u8 *addr[], const size_t *len,
+		    u8 *mac)
+{
+	HASHContext *ctx;
+	size_t i;
+	unsigned int reslen;
+
+	ctx = HASH_Create(type);
+	if (ctx == NULL)
+		return -1;
+
+	HASH_Begin(ctx);
+	for (i = 0; i < num_elem; i++)
+		HASH_Update(ctx, addr[i], len[i]);
+	HASH_End(ctx, mac, &reslen, max_res_len);
+	HASH_Destroy(ctx);
+
+	return 0;
+}
+
+
+void des_encrypt(const u8 *clear, const u8 *key, u8 *cypher)
+{
+	PK11Context *ctx = NULL;
+	PK11SlotInfo *slot;
+	SECItem *param = NULL;
+	PK11SymKey *symkey = NULL;
+	SECItem item;
+	int olen;
+	u8 pkey[8], next, tmp;
+	int i;
+
+	/* Add parity bits to the key */
+	next = 0;
+	for (i = 0; i < 7; i++) {
+		tmp = key[i];
+		pkey[i] = (tmp >> i) | next | 1;
+		next = tmp << (7 - i);
+	}
+	pkey[i] = next | 1;
+
+	slot = PK11_GetBestSlot(CKM_DES_ECB, NULL);
+	if (slot == NULL) {
+		wpa_printf(MSG_ERROR, "NSS: PK11_GetBestSlot failed");
+		goto out;
+	}
+
+	item.type = siBuffer;
+	item.data = pkey;
+	item.len = 8;
+	symkey = PK11_ImportSymKey(slot, CKM_DES_ECB, PK11_OriginDerive,
+				   CKA_ENCRYPT, &item, NULL);
+	if (symkey == NULL) {
+		wpa_printf(MSG_ERROR, "NSS: PK11_ImportSymKey failed");
+		goto out;
+	}
+
+	param = PK11_GenerateNewParam(CKM_DES_ECB, symkey);
+	if (param == NULL) {
+		wpa_printf(MSG_ERROR, "NSS: PK11_GenerateNewParam failed");
+		goto out;
+	}
+
+	ctx = PK11_CreateContextBySymKey(CKM_DES_ECB, CKA_ENCRYPT,
+					 symkey, param);
+	if (ctx == NULL) {
+		wpa_printf(MSG_ERROR, "NSS: PK11_CreateContextBySymKey("
+			   "CKM_DES_ECB) failed");
+		goto out;
+	}
+
+	if (PK11_CipherOp(ctx, cypher, &olen, 8, (void *) clear, 8) !=
+	    SECSuccess) {
+		wpa_printf(MSG_ERROR, "NSS: PK11_CipherOp failed");
+		goto out;
+	}
+
+out:
+	if (ctx)
+		PK11_DestroyContext(ctx, PR_TRUE);
+	if (symkey)
+		PK11_FreeSymKey(symkey);
+	if (param)
+		SECITEM_FreeItem(param, PR_TRUE);
+}
+
+
+int rc4_skip(const u8 *key, size_t keylen, size_t skip,
+	     u8 *data, size_t data_len)
+{
+	return -1;
+}
+
+
+int md5_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	return nss_hash(HASH_AlgMD5, 16, num_elem, addr, len, mac);
+}
+
+
+int sha1_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	return nss_hash(HASH_AlgSHA1, 20, num_elem, addr, len, mac);
+}
+
+
+int sha256_vector(size_t num_elem, const u8 *addr[], const size_t *len,
+		  u8 *mac)
+{
+	return nss_hash(HASH_AlgSHA256, 32, num_elem, addr, len, mac);
+}
+
+
+void * aes_encrypt_init(const u8 *key, size_t len)
+{
+	return NULL;
+}
+
+
+void aes_encrypt(void *ctx, const u8 *plain, u8 *crypt)
+{
+}
+
+
+void aes_encrypt_deinit(void *ctx)
+{
+}
+
+
+void * aes_decrypt_init(const u8 *key, size_t len)
+{
+	return NULL;
+}
+
+
+void aes_decrypt(void *ctx, const u8 *crypt, u8 *plain)
+{
+}
+
+
+void aes_decrypt_deinit(void *ctx)
+{
+}
+
+
+int crypto_mod_exp(const u8 *base, size_t base_len,
+		   const u8 *power, size_t power_len,
+		   const u8 *modulus, size_t modulus_len,
+		   u8 *result, size_t *result_len)
+{
+	return -1;
+}
+
+
+struct crypto_cipher {
+};
+
+
+struct crypto_cipher * crypto_cipher_init(enum crypto_cipher_alg alg,
+					  const u8 *iv, const u8 *key,
+					  size_t key_len)
+{
+	return NULL;
+}
+
+
+int crypto_cipher_encrypt(struct crypto_cipher *ctx, const u8 *plain,
+			  u8 *crypt, size_t len)
+{
+	return -1;
+}
+
+
+int crypto_cipher_decrypt(struct crypto_cipher *ctx, const u8 *crypt,
+			  u8 *plain, size_t len)
+{
+	return -1;
+}
+
+
+void crypto_cipher_deinit(struct crypto_cipher *ctx)
+{
+}
diff --git a/src/crypto/crypto_openssl.c b/src/crypto/crypto_openssl.c
new file mode 100644
index 0000000..08c98af
--- /dev/null
+++ b/src/crypto/crypto_openssl.c
@@ -0,0 +1,505 @@
+/*
+ * WPA Supplicant / wrapper functions for libcrypto
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <openssl/opensslv.h>
+#include <openssl/err.h>
+#include <openssl/des.h>
+#include <openssl/aes.h>
+#include <openssl/bn.h>
+#include <openssl/evp.h>
+#include <openssl/dh.h>
+
+#include "common.h"
+#include "wpabuf.h"
+#include "dh_group5.h"
+#include "crypto.h"
+
+#if OPENSSL_VERSION_NUMBER < 0x00907000
+#define DES_key_schedule des_key_schedule
+#define DES_cblock des_cblock
+#define DES_set_key(key, schedule) des_set_key((key), *(schedule))
+#define DES_ecb_encrypt(input, output, ks, enc) \
+	des_ecb_encrypt((input), (output), *(ks), (enc))
+#endif /* openssl < 0.9.7 */
+
+static BIGNUM * get_group5_prime(void)
+{
+#if OPENSSL_VERSION_NUMBER < 0x00908000
+	static const unsigned char RFC3526_PRIME_1536[] = {
+		0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC9,0x0F,0xDA,0xA2,
+		0x21,0x68,0xC2,0x34,0xC4,0xC6,0x62,0x8B,0x80,0xDC,0x1C,0xD1,
+		0x29,0x02,0x4E,0x08,0x8A,0x67,0xCC,0x74,0x02,0x0B,0xBE,0xA6,
+		0x3B,0x13,0x9B,0x22,0x51,0x4A,0x08,0x79,0x8E,0x34,0x04,0xDD,
+		0xEF,0x95,0x19,0xB3,0xCD,0x3A,0x43,0x1B,0x30,0x2B,0x0A,0x6D,
+		0xF2,0x5F,0x14,0x37,0x4F,0xE1,0x35,0x6D,0x6D,0x51,0xC2,0x45,
+		0xE4,0x85,0xB5,0x76,0x62,0x5E,0x7E,0xC6,0xF4,0x4C,0x42,0xE9,
+		0xA6,0x37,0xED,0x6B,0x0B,0xFF,0x5C,0xB6,0xF4,0x06,0xB7,0xED,
+		0xEE,0x38,0x6B,0xFB,0x5A,0x89,0x9F,0xA5,0xAE,0x9F,0x24,0x11,
+		0x7C,0x4B,0x1F,0xE6,0x49,0x28,0x66,0x51,0xEC,0xE4,0x5B,0x3D,
+		0xC2,0x00,0x7C,0xB8,0xA1,0x63,0xBF,0x05,0x98,0xDA,0x48,0x36,
+		0x1C,0x55,0xD3,0x9A,0x69,0x16,0x3F,0xA8,0xFD,0x24,0xCF,0x5F,
+		0x83,0x65,0x5D,0x23,0xDC,0xA3,0xAD,0x96,0x1C,0x62,0xF3,0x56,
+		0x20,0x85,0x52,0xBB,0x9E,0xD5,0x29,0x07,0x70,0x96,0x96,0x6D,
+		0x67,0x0C,0x35,0x4E,0x4A,0xBC,0x98,0x04,0xF1,0x74,0x6C,0x08,
+		0xCA,0x23,0x73,0x27,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+	};
+        return BN_bin2bn(RFC3526_PRIME_1536, sizeof(RFC3526_PRIME_1536), NULL);
+#else /* openssl < 0.9.8 */
+	return get_rfc3526_prime_1536(NULL);
+#endif /* openssl < 0.9.8 */
+}
+
+#if OPENSSL_VERSION_NUMBER < 0x00908000
+#ifndef OPENSSL_NO_SHA256
+#ifndef OPENSSL_FIPS
+#define NO_SHA256_WRAPPER
+#endif
+#endif
+
+#endif /* openssl < 0.9.8 */
+
+#ifdef OPENSSL_NO_SHA256
+#define NO_SHA256_WRAPPER
+#endif
+
+static int openssl_digest_vector(const EVP_MD *type, int non_fips,
+				 size_t num_elem, const u8 *addr[],
+				 const size_t *len, u8 *mac)
+{
+	EVP_MD_CTX ctx;
+	size_t i;
+	unsigned int mac_len;
+
+	EVP_MD_CTX_init(&ctx);
+#ifdef CONFIG_FIPS
+#ifdef OPENSSL_FIPS
+	if (non_fips)
+		EVP_MD_CTX_set_flags(&ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
+#endif /* OPENSSL_FIPS */
+#endif /* CONFIG_FIPS */
+	if (!EVP_DigestInit_ex(&ctx, type, NULL)) {
+		wpa_printf(MSG_ERROR, "OpenSSL: EVP_DigestInit_ex failed: %s",
+			   ERR_error_string(ERR_get_error(), NULL));
+		return -1;
+	}
+	for (i = 0; i < num_elem; i++) {
+		if (!EVP_DigestUpdate(&ctx, addr[i], len[i])) {
+			wpa_printf(MSG_ERROR, "OpenSSL: EVP_DigestUpdate "
+				   "failed: %s",
+				   ERR_error_string(ERR_get_error(), NULL));
+			return -1;
+		}
+	}
+	if (!EVP_DigestFinal(&ctx, mac, &mac_len)) {
+		wpa_printf(MSG_ERROR, "OpenSSL: EVP_DigestFinal failed: %s",
+			   ERR_error_string(ERR_get_error(), NULL));
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int md4_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	return openssl_digest_vector(EVP_md4(), 0, num_elem, addr, len, mac);
+}
+
+
+void des_encrypt(const u8 *clear, const u8 *key, u8 *cypher)
+{
+	u8 pkey[8], next, tmp;
+	int i;
+	DES_key_schedule ks;
+
+	/* Add parity bits to the key */
+	next = 0;
+	for (i = 0; i < 7; i++) {
+		tmp = key[i];
+		pkey[i] = (tmp >> i) | next | 1;
+		next = tmp << (7 - i);
+	}
+	pkey[i] = next | 1;
+
+	DES_set_key(&pkey, &ks);
+	DES_ecb_encrypt((DES_cblock *) clear, (DES_cblock *) cypher, &ks,
+			DES_ENCRYPT);
+}
+
+
+int rc4_skip(const u8 *key, size_t keylen, size_t skip,
+	     u8 *data, size_t data_len)
+{
+#ifdef OPENSSL_NO_RC4
+	return -1;
+#else /* OPENSSL_NO_RC4 */
+	EVP_CIPHER_CTX ctx;
+	int outl;
+	int res = -1;
+	unsigned char skip_buf[16];
+
+	EVP_CIPHER_CTX_init(&ctx);
+	if (!EVP_CIPHER_CTX_set_padding(&ctx, 0) ||
+	    !EVP_CipherInit_ex(&ctx, EVP_rc4(), NULL, NULL, NULL, 1) ||
+	    !EVP_CIPHER_CTX_set_key_length(&ctx, keylen) ||
+	    !EVP_CipherInit_ex(&ctx, NULL, NULL, key, NULL, 1))
+		goto out;
+
+	while (skip >= sizeof(skip_buf)) {
+		size_t len = skip;
+		if (len > sizeof(skip_buf))
+			len = sizeof(skip_buf);
+		if (!EVP_CipherUpdate(&ctx, skip_buf, &outl, skip_buf, len))
+			goto out;
+		skip -= len;
+	}
+
+	if (EVP_CipherUpdate(&ctx, data, &outl, data, data_len))
+		res = 0;
+
+out:
+	EVP_CIPHER_CTX_cleanup(&ctx);
+	return res;
+#endif /* OPENSSL_NO_RC4 */
+}
+
+
+int md5_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	return openssl_digest_vector(EVP_md5(), 0, num_elem, addr, len, mac);
+}
+
+
+#ifdef CONFIG_FIPS
+int md5_vector_non_fips_allow(size_t num_elem, const u8 *addr[],
+			      const size_t *len, u8 *mac)
+{
+	return openssl_digest_vector(EVP_md5(), 1, num_elem, addr, len, mac);
+}
+#endif /* CONFIG_FIPS */
+
+
+int sha1_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	return openssl_digest_vector(EVP_sha1(), 0, num_elem, addr, len, mac);
+}
+
+
+#ifndef NO_SHA256_WRAPPER
+int sha256_vector(size_t num_elem, const u8 *addr[], const size_t *len,
+		  u8 *mac)
+{
+	return openssl_digest_vector(EVP_sha256(), 0, num_elem, addr, len,
+				     mac);
+}
+#endif /* NO_SHA256_WRAPPER */
+
+
+void * aes_encrypt_init(const u8 *key, size_t len)
+{
+	AES_KEY *ak;
+	ak = os_malloc(sizeof(*ak));
+	if (ak == NULL)
+		return NULL;
+	if (AES_set_encrypt_key(key, 8 * len, ak) < 0) {
+		os_free(ak);
+		return NULL;
+	}
+	return ak;
+}
+
+
+void aes_encrypt(void *ctx, const u8 *plain, u8 *crypt)
+{
+	AES_encrypt(plain, crypt, ctx);
+}
+
+
+void aes_encrypt_deinit(void *ctx)
+{
+	os_free(ctx);
+}
+
+
+void * aes_decrypt_init(const u8 *key, size_t len)
+{
+	AES_KEY *ak;
+	ak = os_malloc(sizeof(*ak));
+	if (ak == NULL)
+		return NULL;
+	if (AES_set_decrypt_key(key, 8 * len, ak) < 0) {
+		os_free(ak);
+		return NULL;
+	}
+	return ak;
+}
+
+
+void aes_decrypt(void *ctx, const u8 *crypt, u8 *plain)
+{
+	AES_decrypt(crypt, plain, ctx);
+}
+
+
+void aes_decrypt_deinit(void *ctx)
+{
+	os_free(ctx);
+}
+
+
+int crypto_mod_exp(const u8 *base, size_t base_len,
+		   const u8 *power, size_t power_len,
+		   const u8 *modulus, size_t modulus_len,
+		   u8 *result, size_t *result_len)
+{
+	BIGNUM *bn_base, *bn_exp, *bn_modulus, *bn_result;
+	int ret = -1;
+	BN_CTX *ctx;
+
+	ctx = BN_CTX_new();
+	if (ctx == NULL)
+		return -1;
+
+	bn_base = BN_bin2bn(base, base_len, NULL);
+	bn_exp = BN_bin2bn(power, power_len, NULL);
+	bn_modulus = BN_bin2bn(modulus, modulus_len, NULL);
+	bn_result = BN_new();
+
+	if (bn_base == NULL || bn_exp == NULL || bn_modulus == NULL ||
+	    bn_result == NULL)
+		goto error;
+
+	if (BN_mod_exp(bn_result, bn_base, bn_exp, bn_modulus, ctx) != 1)
+		goto error;
+
+	*result_len = BN_bn2bin(bn_result, result);
+	ret = 0;
+
+error:
+	BN_free(bn_base);
+	BN_free(bn_exp);
+	BN_free(bn_modulus);
+	BN_free(bn_result);
+	BN_CTX_free(ctx);
+	return ret;
+}
+
+
+struct crypto_cipher {
+	EVP_CIPHER_CTX enc;
+	EVP_CIPHER_CTX dec;
+};
+
+
+struct crypto_cipher * crypto_cipher_init(enum crypto_cipher_alg alg,
+					  const u8 *iv, const u8 *key,
+					  size_t key_len)
+{
+	struct crypto_cipher *ctx;
+	const EVP_CIPHER *cipher;
+
+	ctx = os_zalloc(sizeof(*ctx));
+	if (ctx == NULL)
+		return NULL;
+
+	switch (alg) {
+#ifndef OPENSSL_NO_RC4
+	case CRYPTO_CIPHER_ALG_RC4:
+		cipher = EVP_rc4();
+		break;
+#endif /* OPENSSL_NO_RC4 */
+#ifndef OPENSSL_NO_AES
+	case CRYPTO_CIPHER_ALG_AES:
+		switch (key_len) {
+		case 16:
+			cipher = EVP_aes_128_cbc();
+			break;
+		case 24:
+			cipher = EVP_aes_192_cbc();
+			break;
+		case 32:
+			cipher = EVP_aes_256_cbc();
+			break;
+		default:
+			os_free(ctx);
+			return NULL;
+		}
+		break;
+#endif /* OPENSSL_NO_AES */
+#ifndef OPENSSL_NO_DES
+	case CRYPTO_CIPHER_ALG_3DES:
+		cipher = EVP_des_ede3_cbc();
+		break;
+	case CRYPTO_CIPHER_ALG_DES:
+		cipher = EVP_des_cbc();
+		break;
+#endif /* OPENSSL_NO_DES */
+#ifndef OPENSSL_NO_RC2
+	case CRYPTO_CIPHER_ALG_RC2:
+		cipher = EVP_rc2_ecb();
+		break;
+#endif /* OPENSSL_NO_RC2 */
+	default:
+		os_free(ctx);
+		return NULL;
+	}
+
+	EVP_CIPHER_CTX_init(&ctx->enc);
+	EVP_CIPHER_CTX_set_padding(&ctx->enc, 0);
+	if (!EVP_EncryptInit_ex(&ctx->enc, cipher, NULL, NULL, NULL) ||
+	    !EVP_CIPHER_CTX_set_key_length(&ctx->enc, key_len) ||
+	    !EVP_EncryptInit_ex(&ctx->enc, NULL, NULL, key, iv)) {
+		EVP_CIPHER_CTX_cleanup(&ctx->enc);
+		os_free(ctx);
+		return NULL;
+	}
+
+	EVP_CIPHER_CTX_init(&ctx->dec);
+	EVP_CIPHER_CTX_set_padding(&ctx->dec, 0);
+	if (!EVP_DecryptInit_ex(&ctx->dec, cipher, NULL, NULL, NULL) ||
+	    !EVP_CIPHER_CTX_set_key_length(&ctx->dec, key_len) ||
+	    !EVP_DecryptInit_ex(&ctx->dec, NULL, NULL, key, iv)) {
+		EVP_CIPHER_CTX_cleanup(&ctx->enc);
+		EVP_CIPHER_CTX_cleanup(&ctx->dec);
+		os_free(ctx);
+		return NULL;
+	}
+
+	return ctx;
+}
+
+
+int crypto_cipher_encrypt(struct crypto_cipher *ctx, const u8 *plain,
+			  u8 *crypt, size_t len)
+{
+	int outl;
+	if (!EVP_EncryptUpdate(&ctx->enc, crypt, &outl, plain, len))
+		return -1;
+	return 0;
+}
+
+
+int crypto_cipher_decrypt(struct crypto_cipher *ctx, const u8 *crypt,
+			  u8 *plain, size_t len)
+{
+	int outl;
+	outl = len;
+	if (!EVP_DecryptUpdate(&ctx->dec, plain, &outl, crypt, len))
+		return -1;
+	return 0;
+}
+
+
+void crypto_cipher_deinit(struct crypto_cipher *ctx)
+{
+	EVP_CIPHER_CTX_cleanup(&ctx->enc);
+	EVP_CIPHER_CTX_cleanup(&ctx->dec);
+	os_free(ctx);
+}
+
+
+void * dh5_init(struct wpabuf **priv, struct wpabuf **publ)
+{
+	DH *dh;
+	struct wpabuf *pubkey = NULL, *privkey = NULL;
+	size_t publen, privlen;
+
+	*priv = NULL;
+	*publ = NULL;
+
+	dh = DH_new();
+	if (dh == NULL)
+		return NULL;
+
+	dh->g = BN_new();
+	if (dh->g == NULL || BN_set_word(dh->g, 2) != 1)
+		goto err;
+
+	dh->p = get_group5_prime();
+	if (dh->p == NULL)
+		goto err;
+
+	if (DH_generate_key(dh) != 1)
+		goto err;
+
+	publen = BN_num_bytes(dh->pub_key);
+	pubkey = wpabuf_alloc(publen);
+	if (pubkey == NULL)
+		goto err;
+	privlen = BN_num_bytes(dh->priv_key);
+	privkey = wpabuf_alloc(privlen);
+	if (privkey == NULL)
+		goto err;
+
+	BN_bn2bin(dh->pub_key, wpabuf_put(pubkey, publen));
+	BN_bn2bin(dh->priv_key, wpabuf_put(privkey, privlen));
+
+	*priv = privkey;
+	*publ = pubkey;
+	return dh;
+
+err:
+	wpabuf_free(pubkey);
+	wpabuf_free(privkey);
+	DH_free(dh);
+	return NULL;
+}
+
+
+struct wpabuf * dh5_derive_shared(void *ctx, const struct wpabuf *peer_public,
+				  const struct wpabuf *own_private)
+{
+	BIGNUM *pub_key;
+	struct wpabuf *res = NULL;
+	size_t rlen;
+	DH *dh = ctx;
+	int keylen;
+
+	if (ctx == NULL)
+		return NULL;
+
+	pub_key = BN_bin2bn(wpabuf_head(peer_public), wpabuf_len(peer_public),
+			    NULL);
+	if (pub_key == NULL)
+		return NULL;
+
+	rlen = DH_size(dh);
+	res = wpabuf_alloc(rlen);
+	if (res == NULL)
+		goto err;
+
+	keylen = DH_compute_key(wpabuf_mhead(res), pub_key, dh);
+	if (keylen < 0)
+		goto err;
+	wpabuf_put(res, keylen);
+	BN_free(pub_key);
+
+	return res;
+
+err:
+	BN_free(pub_key);
+	wpabuf_free(res);
+	return NULL;
+}
+
+
+void dh5_free(void *ctx)
+{
+	DH *dh;
+	if (ctx == NULL)
+		return;
+	dh = ctx;
+	DH_free(dh);
+}
diff --git a/src/crypto/des-internal.c b/src/crypto/des-internal.c
new file mode 100644
index 0000000..ccea950
--- /dev/null
+++ b/src/crypto/des-internal.c
@@ -0,0 +1,499 @@
+/*
+ * DES and 3DES-EDE ciphers
+ *
+ * Modifications to LibTomCrypt implementation:
+ * Copyright (c) 2006-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto.h"
+#include "des_i.h"
+
+/*
+ * This implementation is based on a DES implementation included in
+ * LibTomCrypt. The version here is modified to fit in wpa_supplicant/hostapd
+ * coding style.
+ */
+
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
+ */
+
+/**
+  DES code submitted by Dobes Vandermeer
+*/
+
+#define ROLc(x, y) \
+	((((unsigned long) (x) << (unsigned long) ((y) & 31)) | \
+	  (((unsigned long) (x) & 0xFFFFFFFFUL) >> \
+	   (unsigned long) (32 - ((y) & 31)))) & 0xFFFFFFFFUL)
+#define RORc(x, y) \
+	(((((unsigned long) (x) & 0xFFFFFFFFUL) >> \
+	   (unsigned long) ((y) & 31)) | \
+	  ((unsigned long) (x) << (unsigned long) (32 - ((y) & 31)))) & \
+	 0xFFFFFFFFUL)
+
+
+static const u32 bytebit[8] =
+{
+	0200, 0100, 040, 020, 010, 04, 02, 01 
+};
+
+static const u32 bigbyte[24] =
+{
+	0x800000UL,  0x400000UL,  0x200000UL,  0x100000UL,
+	0x80000UL,   0x40000UL,   0x20000UL,   0x10000UL,
+	0x8000UL,    0x4000UL,    0x2000UL,    0x1000UL,
+	0x800UL,     0x400UL,     0x200UL,     0x100UL,
+	0x80UL,      0x40UL,      0x20UL,      0x10UL,
+	0x8UL,       0x4UL,       0x2UL,       0x1L 
+};
+
+/* Use the key schedule specific in the standard (ANSI X3.92-1981) */
+
+static const u8 pc1[56] = {
+	56, 48, 40, 32, 24, 16,  8,  0, 57, 49, 41, 33, 25, 17,  
+	 9,  1, 58, 50, 42, 34, 26, 18, 10,  2, 59, 51, 43, 35, 
+	62, 54, 46, 38, 30, 22, 14,  6, 61, 53, 45, 37, 29, 21,
+	13,  5, 60, 52, 44, 36, 28, 20, 12,  4, 27, 19, 11,  3 
+};
+
+static const u8 totrot[16] = {
+	1,   2,  4,  6,
+	8,  10, 12, 14, 
+	15, 17, 19, 21, 
+	23, 25, 27, 28
+};
+
+static const u8 pc2[48] = {
+	13, 16, 10, 23,  0,  4,      2, 27, 14,  5, 20,  9,
+	22, 18, 11,  3, 25,  7,     15,  6, 26, 19, 12,  1,
+	40, 51, 30, 36, 46, 54,     29, 39, 50, 44, 32, 47,
+	43, 48, 38, 55, 33, 52,     45, 41, 49, 35, 28, 31
+};
+
+
+static const u32 SP1[64] =
+{
+	0x01010400UL, 0x00000000UL, 0x00010000UL, 0x01010404UL,
+	0x01010004UL, 0x00010404UL, 0x00000004UL, 0x00010000UL,
+	0x00000400UL, 0x01010400UL, 0x01010404UL, 0x00000400UL,
+	0x01000404UL, 0x01010004UL, 0x01000000UL, 0x00000004UL,
+	0x00000404UL, 0x01000400UL, 0x01000400UL, 0x00010400UL,
+	0x00010400UL, 0x01010000UL, 0x01010000UL, 0x01000404UL,
+	0x00010004UL, 0x01000004UL, 0x01000004UL, 0x00010004UL,
+	0x00000000UL, 0x00000404UL, 0x00010404UL, 0x01000000UL,
+	0x00010000UL, 0x01010404UL, 0x00000004UL, 0x01010000UL,
+	0x01010400UL, 0x01000000UL, 0x01000000UL, 0x00000400UL,
+	0x01010004UL, 0x00010000UL, 0x00010400UL, 0x01000004UL,
+	0x00000400UL, 0x00000004UL, 0x01000404UL, 0x00010404UL,
+	0x01010404UL, 0x00010004UL, 0x01010000UL, 0x01000404UL,
+	0x01000004UL, 0x00000404UL, 0x00010404UL, 0x01010400UL,
+	0x00000404UL, 0x01000400UL, 0x01000400UL, 0x00000000UL,
+	0x00010004UL, 0x00010400UL, 0x00000000UL, 0x01010004UL
+};
+
+static const u32 SP2[64] =
+{
+	0x80108020UL, 0x80008000UL, 0x00008000UL, 0x00108020UL,
+	0x00100000UL, 0x00000020UL, 0x80100020UL, 0x80008020UL,
+	0x80000020UL, 0x80108020UL, 0x80108000UL, 0x80000000UL,
+	0x80008000UL, 0x00100000UL, 0x00000020UL, 0x80100020UL,
+	0x00108000UL, 0x00100020UL, 0x80008020UL, 0x00000000UL,
+	0x80000000UL, 0x00008000UL, 0x00108020UL, 0x80100000UL,
+	0x00100020UL, 0x80000020UL, 0x00000000UL, 0x00108000UL,
+	0x00008020UL, 0x80108000UL, 0x80100000UL, 0x00008020UL,
+	0x00000000UL, 0x00108020UL, 0x80100020UL, 0x00100000UL,
+	0x80008020UL, 0x80100000UL, 0x80108000UL, 0x00008000UL,
+	0x80100000UL, 0x80008000UL, 0x00000020UL, 0x80108020UL,
+	0x00108020UL, 0x00000020UL, 0x00008000UL, 0x80000000UL,
+	0x00008020UL, 0x80108000UL, 0x00100000UL, 0x80000020UL,
+	0x00100020UL, 0x80008020UL, 0x80000020UL, 0x00100020UL,
+	0x00108000UL, 0x00000000UL, 0x80008000UL, 0x00008020UL,
+	0x80000000UL, 0x80100020UL, 0x80108020UL, 0x00108000UL
+};
+
+static const u32 SP3[64] =
+{
+	0x00000208UL, 0x08020200UL, 0x00000000UL, 0x08020008UL,
+	0x08000200UL, 0x00000000UL, 0x00020208UL, 0x08000200UL,
+	0x00020008UL, 0x08000008UL, 0x08000008UL, 0x00020000UL,
+	0x08020208UL, 0x00020008UL, 0x08020000UL, 0x00000208UL,
+	0x08000000UL, 0x00000008UL, 0x08020200UL, 0x00000200UL,
+	0x00020200UL, 0x08020000UL, 0x08020008UL, 0x00020208UL,
+	0x08000208UL, 0x00020200UL, 0x00020000UL, 0x08000208UL,
+	0x00000008UL, 0x08020208UL, 0x00000200UL, 0x08000000UL,
+	0x08020200UL, 0x08000000UL, 0x00020008UL, 0x00000208UL,
+	0x00020000UL, 0x08020200UL, 0x08000200UL, 0x00000000UL,
+	0x00000200UL, 0x00020008UL, 0x08020208UL, 0x08000200UL,
+	0x08000008UL, 0x00000200UL, 0x00000000UL, 0x08020008UL,
+	0x08000208UL, 0x00020000UL, 0x08000000UL, 0x08020208UL,
+	0x00000008UL, 0x00020208UL, 0x00020200UL, 0x08000008UL,
+	0x08020000UL, 0x08000208UL, 0x00000208UL, 0x08020000UL,
+	0x00020208UL, 0x00000008UL, 0x08020008UL, 0x00020200UL
+};
+
+static const u32 SP4[64] =
+{
+	0x00802001UL, 0x00002081UL, 0x00002081UL, 0x00000080UL,
+	0x00802080UL, 0x00800081UL, 0x00800001UL, 0x00002001UL,
+	0x00000000UL, 0x00802000UL, 0x00802000UL, 0x00802081UL,
+	0x00000081UL, 0x00000000UL, 0x00800080UL, 0x00800001UL,
+	0x00000001UL, 0x00002000UL, 0x00800000UL, 0x00802001UL,
+	0x00000080UL, 0x00800000UL, 0x00002001UL, 0x00002080UL,
+	0x00800081UL, 0x00000001UL, 0x00002080UL, 0x00800080UL,
+	0x00002000UL, 0x00802080UL, 0x00802081UL, 0x00000081UL,
+	0x00800080UL, 0x00800001UL, 0x00802000UL, 0x00802081UL,
+	0x00000081UL, 0x00000000UL, 0x00000000UL, 0x00802000UL,
+	0x00002080UL, 0x00800080UL, 0x00800081UL, 0x00000001UL,
+	0x00802001UL, 0x00002081UL, 0x00002081UL, 0x00000080UL,
+	0x00802081UL, 0x00000081UL, 0x00000001UL, 0x00002000UL,
+	0x00800001UL, 0x00002001UL, 0x00802080UL, 0x00800081UL,
+	0x00002001UL, 0x00002080UL, 0x00800000UL, 0x00802001UL,
+	0x00000080UL, 0x00800000UL, 0x00002000UL, 0x00802080UL
+};
+
+static const u32 SP5[64] =
+{
+	0x00000100UL, 0x02080100UL, 0x02080000UL, 0x42000100UL,
+	0x00080000UL, 0x00000100UL, 0x40000000UL, 0x02080000UL,
+	0x40080100UL, 0x00080000UL, 0x02000100UL, 0x40080100UL,
+	0x42000100UL, 0x42080000UL, 0x00080100UL, 0x40000000UL,
+	0x02000000UL, 0x40080000UL, 0x40080000UL, 0x00000000UL,
+	0x40000100UL, 0x42080100UL, 0x42080100UL, 0x02000100UL,
+	0x42080000UL, 0x40000100UL, 0x00000000UL, 0x42000000UL,
+	0x02080100UL, 0x02000000UL, 0x42000000UL, 0x00080100UL,
+	0x00080000UL, 0x42000100UL, 0x00000100UL, 0x02000000UL,
+	0x40000000UL, 0x02080000UL, 0x42000100UL, 0x40080100UL,
+	0x02000100UL, 0x40000000UL, 0x42080000UL, 0x02080100UL,
+	0x40080100UL, 0x00000100UL, 0x02000000UL, 0x42080000UL,
+	0x42080100UL, 0x00080100UL, 0x42000000UL, 0x42080100UL,
+	0x02080000UL, 0x00000000UL, 0x40080000UL, 0x42000000UL,
+	0x00080100UL, 0x02000100UL, 0x40000100UL, 0x00080000UL,
+	0x00000000UL, 0x40080000UL, 0x02080100UL, 0x40000100UL
+};
+
+static const u32 SP6[64] =
+{
+	0x20000010UL, 0x20400000UL, 0x00004000UL, 0x20404010UL,
+	0x20400000UL, 0x00000010UL, 0x20404010UL, 0x00400000UL,
+	0x20004000UL, 0x00404010UL, 0x00400000UL, 0x20000010UL,
+	0x00400010UL, 0x20004000UL, 0x20000000UL, 0x00004010UL,
+	0x00000000UL, 0x00400010UL, 0x20004010UL, 0x00004000UL,
+	0x00404000UL, 0x20004010UL, 0x00000010UL, 0x20400010UL,
+	0x20400010UL, 0x00000000UL, 0x00404010UL, 0x20404000UL,
+	0x00004010UL, 0x00404000UL, 0x20404000UL, 0x20000000UL,
+	0x20004000UL, 0x00000010UL, 0x20400010UL, 0x00404000UL,
+	0x20404010UL, 0x00400000UL, 0x00004010UL, 0x20000010UL,
+	0x00400000UL, 0x20004000UL, 0x20000000UL, 0x00004010UL,
+	0x20000010UL, 0x20404010UL, 0x00404000UL, 0x20400000UL,
+	0x00404010UL, 0x20404000UL, 0x00000000UL, 0x20400010UL,
+	0x00000010UL, 0x00004000UL, 0x20400000UL, 0x00404010UL,
+	0x00004000UL, 0x00400010UL, 0x20004010UL, 0x00000000UL,
+	0x20404000UL, 0x20000000UL, 0x00400010UL, 0x20004010UL
+};
+
+static const u32 SP7[64] =
+{
+	0x00200000UL, 0x04200002UL, 0x04000802UL, 0x00000000UL,
+	0x00000800UL, 0x04000802UL, 0x00200802UL, 0x04200800UL,
+	0x04200802UL, 0x00200000UL, 0x00000000UL, 0x04000002UL,
+	0x00000002UL, 0x04000000UL, 0x04200002UL, 0x00000802UL,
+	0x04000800UL, 0x00200802UL, 0x00200002UL, 0x04000800UL,
+	0x04000002UL, 0x04200000UL, 0x04200800UL, 0x00200002UL,
+	0x04200000UL, 0x00000800UL, 0x00000802UL, 0x04200802UL,
+	0x00200800UL, 0x00000002UL, 0x04000000UL, 0x00200800UL,
+	0x04000000UL, 0x00200800UL, 0x00200000UL, 0x04000802UL,
+	0x04000802UL, 0x04200002UL, 0x04200002UL, 0x00000002UL,
+	0x00200002UL, 0x04000000UL, 0x04000800UL, 0x00200000UL,
+	0x04200800UL, 0x00000802UL, 0x00200802UL, 0x04200800UL,
+	0x00000802UL, 0x04000002UL, 0x04200802UL, 0x04200000UL,
+	0x00200800UL, 0x00000000UL, 0x00000002UL, 0x04200802UL,
+	0x00000000UL, 0x00200802UL, 0x04200000UL, 0x00000800UL,
+	0x04000002UL, 0x04000800UL, 0x00000800UL, 0x00200002UL
+};
+
+static const u32 SP8[64] =
+{
+	0x10001040UL, 0x00001000UL, 0x00040000UL, 0x10041040UL,
+	0x10000000UL, 0x10001040UL, 0x00000040UL, 0x10000000UL,
+	0x00040040UL, 0x10040000UL, 0x10041040UL, 0x00041000UL,
+	0x10041000UL, 0x00041040UL, 0x00001000UL, 0x00000040UL,
+	0x10040000UL, 0x10000040UL, 0x10001000UL, 0x00001040UL,
+	0x00041000UL, 0x00040040UL, 0x10040040UL, 0x10041000UL,
+	0x00001040UL, 0x00000000UL, 0x00000000UL, 0x10040040UL,
+	0x10000040UL, 0x10001000UL, 0x00041040UL, 0x00040000UL,
+	0x00041040UL, 0x00040000UL, 0x10041000UL, 0x00001000UL,
+	0x00000040UL, 0x10040040UL, 0x00001000UL, 0x00041040UL,
+	0x10001000UL, 0x00000040UL, 0x10000040UL, 0x10040000UL,
+	0x10040040UL, 0x10000000UL, 0x00040000UL, 0x10001040UL,
+	0x00000000UL, 0x10041040UL, 0x00040040UL, 0x10000040UL,
+	0x10040000UL, 0x10001000UL, 0x10001040UL, 0x00000000UL,
+	0x10041040UL, 0x00041000UL, 0x00041000UL, 0x00001040UL,
+	0x00001040UL, 0x00040040UL, 0x10000000UL, 0x10041000UL
+};
+
+
+static void cookey(const u32 *raw1, u32 *keyout)
+{
+	u32 *cook;
+	const u32 *raw0;
+	u32 dough[32];
+	int i;
+
+	cook = dough;
+	for (i = 0; i < 16; i++, raw1++) {
+		raw0 = raw1++;
+		*cook    = (*raw0 & 0x00fc0000L) << 6;
+		*cook   |= (*raw0 & 0x00000fc0L) << 10;
+		*cook   |= (*raw1 & 0x00fc0000L) >> 10;
+		*cook++ |= (*raw1 & 0x00000fc0L) >> 6;
+		*cook    = (*raw0 & 0x0003f000L) << 12;
+		*cook   |= (*raw0 & 0x0000003fL) << 16;
+		*cook   |= (*raw1 & 0x0003f000L) >> 4;
+		*cook++ |= (*raw1 & 0x0000003fL);
+	}
+
+	os_memcpy(keyout, dough, sizeof(dough));
+}
+
+
+static void deskey(const u8 *key, int decrypt, u32 *keyout)
+{
+	u32 i, j, l, m, n, kn[32];
+	u8 pc1m[56], pcr[56];
+
+	for (j = 0; j < 56; j++) {
+		l = (u32) pc1[j];
+		m = l & 7;
+		pc1m[j] = (u8)
+			((key[l >> 3U] & bytebit[m]) == bytebit[m] ? 1 : 0);
+	}
+
+	for (i = 0; i < 16; i++) {
+		if (decrypt)
+			m = (15 - i) << 1;
+		else
+			m = i << 1;
+		n = m + 1;
+		kn[m] = kn[n] = 0L;
+		for (j = 0; j < 28; j++) {
+			l = j + (u32) totrot[i];
+			if (l < 28)
+				pcr[j] = pc1m[l];
+			else
+				pcr[j] = pc1m[l - 28];
+		}
+		for (/* j = 28 */; j < 56; j++) {
+			l = j + (u32) totrot[i];
+			if (l < 56)
+				pcr[j] = pc1m[l];
+			else
+				pcr[j] = pc1m[l - 28];
+		}
+		for (j = 0; j < 24; j++) {
+			if ((int) pcr[(int) pc2[j]] != 0)
+				kn[m] |= bigbyte[j];
+			if ((int) pcr[(int) pc2[j + 24]] != 0)
+				kn[n] |= bigbyte[j];
+		}
+	}
+
+	cookey(kn, keyout);
+}
+
+
+static void desfunc(u32 *block, const u32 *keys)
+{
+	u32 work, right, leftt;
+	int cur_round;
+
+	leftt = block[0];
+	right = block[1];
+
+	work = ((leftt >> 4)  ^ right) & 0x0f0f0f0fL;
+	right ^= work;
+	leftt ^= (work << 4);
+
+	work = ((leftt >> 16) ^ right) & 0x0000ffffL;
+	right ^= work;
+	leftt ^= (work << 16);
+
+	work = ((right >> 2)  ^ leftt) & 0x33333333L;
+	leftt ^= work;
+	right ^= (work << 2);
+
+	work = ((right >> 8)  ^ leftt) & 0x00ff00ffL;
+	leftt ^= work;
+	right ^= (work << 8);
+
+	right = ROLc(right, 1);
+	work = (leftt ^ right) & 0xaaaaaaaaL;
+
+	leftt ^= work;
+	right ^= work;
+	leftt = ROLc(leftt, 1);
+
+	for (cur_round = 0; cur_round < 8; cur_round++) {
+		work  = RORc(right, 4) ^ *keys++;
+		leftt ^= SP7[work        & 0x3fL]
+			^ SP5[(work >>  8) & 0x3fL]
+			^ SP3[(work >> 16) & 0x3fL]
+			^ SP1[(work >> 24) & 0x3fL];
+		work  = right ^ *keys++;
+		leftt ^= SP8[ work        & 0x3fL]
+			^  SP6[(work >>  8) & 0x3fL]
+			^  SP4[(work >> 16) & 0x3fL]
+			^  SP2[(work >> 24) & 0x3fL];
+
+		work = RORc(leftt, 4) ^ *keys++;
+		right ^= SP7[ work        & 0x3fL]
+			^  SP5[(work >>  8) & 0x3fL]
+			^  SP3[(work >> 16) & 0x3fL]
+			^  SP1[(work >> 24) & 0x3fL];
+		work  = leftt ^ *keys++;
+		right ^= SP8[ work        & 0x3fL]
+			^  SP6[(work >>  8) & 0x3fL]
+			^  SP4[(work >> 16) & 0x3fL]
+			^  SP2[(work >> 24) & 0x3fL];
+	}
+
+	right = RORc(right, 1);
+	work = (leftt ^ right) & 0xaaaaaaaaL;
+	leftt ^= work;
+	right ^= work;
+	leftt = RORc(leftt, 1);
+	work = ((leftt >> 8) ^ right) & 0x00ff00ffL;
+	right ^= work;
+	leftt ^= (work << 8);
+	/* -- */
+	work = ((leftt >> 2) ^ right) & 0x33333333L;
+	right ^= work;
+	leftt ^= (work << 2);
+	work = ((right >> 16) ^ leftt) & 0x0000ffffL;
+	leftt ^= work;
+	right ^= (work << 16);
+	work = ((right >> 4) ^ leftt) & 0x0f0f0f0fL;
+	leftt ^= work;
+	right ^= (work << 4);
+
+	block[0] = right;
+	block[1] = leftt;
+}
+
+
+/* wpa_supplicant/hostapd specific wrapper */
+
+void des_encrypt(const u8 *clear, const u8 *key, u8 *cypher)
+{
+	u8 pkey[8], next, tmp;
+	int i;
+	u32 ek[32], work[2];
+
+	/* Add parity bits to the key */
+	next = 0;
+	for (i = 0; i < 7; i++) {
+		tmp = key[i];
+		pkey[i] = (tmp >> i) | next | 1;
+		next = tmp << (7 - i);
+	}
+	pkey[i] = next | 1;
+
+	deskey(pkey, 0, ek);
+
+	work[0] = WPA_GET_BE32(clear);
+	work[1] = WPA_GET_BE32(clear + 4);
+	desfunc(work, ek);
+	WPA_PUT_BE32(cypher, work[0]);
+	WPA_PUT_BE32(cypher + 4, work[1]);
+
+	os_memset(pkey, 0, sizeof(pkey));
+	os_memset(ek, 0, sizeof(ek));
+}
+
+
+void des_key_setup(const u8 *key, u32 *ek, u32 *dk)
+{
+	deskey(key, 0, ek);
+	deskey(key, 1, dk);
+}
+
+
+void des_block_encrypt(const u8 *plain, const u32 *ek, u8 *crypt)
+{
+	u32 work[2];
+	work[0] = WPA_GET_BE32(plain);
+	work[1] = WPA_GET_BE32(plain + 4);
+	desfunc(work, ek);
+	WPA_PUT_BE32(crypt, work[0]);
+	WPA_PUT_BE32(crypt + 4, work[1]);
+}
+
+
+void des_block_decrypt(const u8 *crypt, const u32 *dk, u8 *plain)
+{
+	u32 work[2];
+	work[0] = WPA_GET_BE32(crypt);
+	work[1] = WPA_GET_BE32(crypt + 4);
+	desfunc(work, dk);
+	WPA_PUT_BE32(plain, work[0]);
+	WPA_PUT_BE32(plain + 4, work[1]);
+}
+
+
+void des3_key_setup(const u8 *key, struct des3_key_s *dkey)
+{
+	deskey(key, 0, dkey->ek[0]);
+	deskey(key + 8, 1, dkey->ek[1]);
+	deskey(key + 16, 0, dkey->ek[2]);
+
+	deskey(key, 1, dkey->dk[2]);
+	deskey(key + 8, 0, dkey->dk[1]);
+	deskey(key + 16, 1, dkey->dk[0]);
+}
+
+
+void des3_encrypt(const u8 *plain, const struct des3_key_s *key, u8 *crypt)
+{
+	u32 work[2];
+
+	work[0] = WPA_GET_BE32(plain);
+	work[1] = WPA_GET_BE32(plain + 4);
+	desfunc(work, key->ek[0]);
+	desfunc(work, key->ek[1]);
+	desfunc(work, key->ek[2]);
+	WPA_PUT_BE32(crypt, work[0]);
+	WPA_PUT_BE32(crypt + 4, work[1]);
+}
+
+
+void des3_decrypt(const u8 *crypt, const struct des3_key_s *key, u8 *plain)
+{
+	u32 work[2];
+
+	work[0] = WPA_GET_BE32(crypt);
+	work[1] = WPA_GET_BE32(crypt + 4);
+	desfunc(work, key->dk[0]);
+	desfunc(work, key->dk[1]);
+	desfunc(work, key->dk[2]);
+	WPA_PUT_BE32(plain, work[0]);
+	WPA_PUT_BE32(plain + 4, work[1]);
+}
diff --git a/src/crypto/des_i.h b/src/crypto/des_i.h
new file mode 100644
index 0000000..6f27414
--- /dev/null
+++ b/src/crypto/des_i.h
@@ -0,0 +1,31 @@
+/*
+ * DES and 3DES-EDE ciphers
+ * Copyright (c) 2006-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef DES_I_H
+#define DES_I_H
+
+struct des3_key_s {
+	u32 ek[3][32];
+	u32 dk[3][32];
+};
+
+void des_key_setup(const u8 *key, u32 *ek, u32 *dk);
+void des_block_encrypt(const u8 *plain, const u32 *ek, u8 *crypt);
+void des_block_decrypt(const u8 *crypt, const u32 *dk, u8 *plain);
+
+void des3_key_setup(const u8 *key, struct des3_key_s *dkey);
+void des3_encrypt(const u8 *plain, const struct des3_key_s *key, u8 *crypt);
+void des3_decrypt(const u8 *crypt, const struct des3_key_s *key, u8 *plain);
+
+#endif /* DES_I_H */
diff --git a/src/crypto/dh_group5.c b/src/crypto/dh_group5.c
new file mode 100644
index 0000000..8c475bf
--- /dev/null
+++ b/src/crypto/dh_group5.c
@@ -0,0 +1,40 @@
+/*
+ * Diffie-Hellman group 5 operations
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "dh_groups.h"
+#include "dh_group5.h"
+
+
+void * dh5_init(struct wpabuf **priv, struct wpabuf **publ)
+{
+	*publ = dh_init(dh_groups_get(5), priv);
+	if (*publ == 0)
+		return NULL;
+	return (void *) 1;
+}
+
+
+struct wpabuf * dh5_derive_shared(void *ctx, const struct wpabuf *peer_public,
+				  const struct wpabuf *own_private)
+{
+	return dh_derive_shared(peer_public, own_private, dh_groups_get(5));
+}
+
+
+void dh5_free(void *ctx)
+{
+}
diff --git a/src/crypto/dh_group5.h b/src/crypto/dh_group5.h
new file mode 100644
index 0000000..595f111
--- /dev/null
+++ b/src/crypto/dh_group5.h
@@ -0,0 +1,23 @@
+/*
+ * Diffie-Hellman group 5 operations
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef DH_GROUP5_H
+#define DH_GROUP5_H
+
+void * dh5_init(struct wpabuf **priv, struct wpabuf **publ);
+struct wpabuf * dh5_derive_shared(void *ctx, const struct wpabuf *peer_public,
+				  const struct wpabuf *own_private);
+void dh5_free(void *ctx);
+
+#endif /* DH_GROUP5_H */
diff --git a/src/crypto/dh_groups.c b/src/crypto/dh_groups.c
new file mode 100644
index 0000000..e5b7d4c
--- /dev/null
+++ b/src/crypto/dh_groups.c
@@ -0,0 +1,633 @@
+/*
+ * Diffie-Hellman groups
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto.h"
+#include "random.h"
+#include "dh_groups.h"
+
+
+#ifdef ALL_DH_GROUPS
+
+/* RFC 4306, B.1. Group 1 - 768 Bit MODP
+ * Generator: 2
+ * Prime: 2^768 - 2 ^704 - 1 + 2^64 * { [2^638 pi] + 149686 }
+ */
+static const u8 dh_group1_generator[1] = { 0x02 };
+static const u8 dh_group1_prime[96] = {
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34,
+	0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
+	0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74,
+	0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22,
+	0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
+	0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B,
+	0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37,
+	0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
+	0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6,
+	0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x3A, 0x36, 0x20,
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
+};
+
+/* RFC 4306, B.2. Group 2 - 1024 Bit MODP
+ * Generator: 2
+ * Prime: 2^1024 - 2^960 - 1 + 2^64 * { [2^894 pi] + 129093 }
+ */
+static const u8 dh_group2_generator[1] = { 0x02 };
+static const u8 dh_group2_prime[128] = {
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34,
+	0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
+	0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74,
+	0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22,
+	0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
+	0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B,
+	0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37,
+	0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
+	0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6,
+	0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x37, 0xED, 0x6B,
+	0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED,
+	0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5,
+	0xAE, 0x9F, 0x24, 0x11, 0x7C, 0x4B, 0x1F, 0xE6,
+	0x49, 0x28, 0x66, 0x51, 0xEC, 0xE6, 0x53, 0x81,
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
+};
+
+#endif /* ALL_DH_GROUPS */
+
+/* RFC 3526, 2. Group 5 - 1536 Bit MODP
+ * Generator: 2
+ * Prime: 2^1536 - 2^1472 - 1 + 2^64 * { [2^1406 pi] + 741804 }
+ */
+static const u8 dh_group5_generator[1] = { 0x02 };
+static const u8 dh_group5_prime[192] = {
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34,
+	0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
+	0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74,
+	0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22,
+	0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
+	0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B,
+	0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37,
+	0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
+	0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6,
+	0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x37, 0xED, 0x6B,
+	0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED,
+	0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5,
+	0xAE, 0x9F, 0x24, 0x11, 0x7C, 0x4B, 0x1F, 0xE6,
+	0x49, 0x28, 0x66, 0x51, 0xEC, 0xE4, 0x5B, 0x3D,
+	0xC2, 0x00, 0x7C, 0xB8, 0xA1, 0x63, 0xBF, 0x05,
+	0x98, 0xDA, 0x48, 0x36, 0x1C, 0x55, 0xD3, 0x9A,
+	0x69, 0x16, 0x3F, 0xA8, 0xFD, 0x24, 0xCF, 0x5F,
+	0x83, 0x65, 0x5D, 0x23, 0xDC, 0xA3, 0xAD, 0x96,
+	0x1C, 0x62, 0xF3, 0x56, 0x20, 0x85, 0x52, 0xBB,
+	0x9E, 0xD5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6D,
+	0x67, 0x0C, 0x35, 0x4E, 0x4A, 0xBC, 0x98, 0x04,
+	0xF1, 0x74, 0x6C, 0x08, 0xCA, 0x23, 0x73, 0x27,
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
+};
+
+#ifdef ALL_DH_GROUPS
+
+/* RFC 3526, 3. Group 14 - 2048 Bit MODP
+ * Generator: 2
+ * Prime: 2^2048 - 2^1984 - 1 + 2^64 * { [2^1918 pi] + 124476 }
+ */
+static const u8 dh_group14_generator[1] = { 0x02 };
+static const u8 dh_group14_prime[256] = {
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34,
+	0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
+	0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74,
+	0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22,
+	0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
+	0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B,
+	0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37,
+	0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
+	0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6,
+	0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x37, 0xED, 0x6B,
+	0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED,
+	0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5,
+	0xAE, 0x9F, 0x24, 0x11, 0x7C, 0x4B, 0x1F, 0xE6,
+	0x49, 0x28, 0x66, 0x51, 0xEC, 0xE4, 0x5B, 0x3D,
+	0xC2, 0x00, 0x7C, 0xB8, 0xA1, 0x63, 0xBF, 0x05,
+	0x98, 0xDA, 0x48, 0x36, 0x1C, 0x55, 0xD3, 0x9A,
+	0x69, 0x16, 0x3F, 0xA8, 0xFD, 0x24, 0xCF, 0x5F,
+	0x83, 0x65, 0x5D, 0x23, 0xDC, 0xA3, 0xAD, 0x96,
+	0x1C, 0x62, 0xF3, 0x56, 0x20, 0x85, 0x52, 0xBB,
+	0x9E, 0xD5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6D,
+	0x67, 0x0C, 0x35, 0x4E, 0x4A, 0xBC, 0x98, 0x04,
+	0xF1, 0x74, 0x6C, 0x08, 0xCA, 0x18, 0x21, 0x7C,
+	0x32, 0x90, 0x5E, 0x46, 0x2E, 0x36, 0xCE, 0x3B,
+	0xE3, 0x9E, 0x77, 0x2C, 0x18, 0x0E, 0x86, 0x03,
+	0x9B, 0x27, 0x83, 0xA2, 0xEC, 0x07, 0xA2, 0x8F,
+	0xB5, 0xC5, 0x5D, 0xF0, 0x6F, 0x4C, 0x52, 0xC9,
+	0xDE, 0x2B, 0xCB, 0xF6, 0x95, 0x58, 0x17, 0x18,
+	0x39, 0x95, 0x49, 0x7C, 0xEA, 0x95, 0x6A, 0xE5,
+	0x15, 0xD2, 0x26, 0x18, 0x98, 0xFA, 0x05, 0x10,
+	0x15, 0x72, 0x8E, 0x5A, 0x8A, 0xAC, 0xAA, 0x68,
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
+};
+
+/* RFC 3526, 4. Group 15 - 3072 Bit MODP
+ * Generator: 2
+ * Prime: 2^3072 - 2^3008 - 1 + 2^64 * { [2^2942 pi] + 1690314 }
+ */
+static const u8 dh_group15_generator[1] = { 0x02 };
+static const u8 dh_group15_prime[384] = {
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34,
+	0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
+	0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74,
+	0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22,
+	0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
+	0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B,
+	0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37,
+	0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
+	0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6,
+	0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x37, 0xED, 0x6B,
+	0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED,
+	0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5,
+	0xAE, 0x9F, 0x24, 0x11, 0x7C, 0x4B, 0x1F, 0xE6,
+	0x49, 0x28, 0x66, 0x51, 0xEC, 0xE4, 0x5B, 0x3D,
+	0xC2, 0x00, 0x7C, 0xB8, 0xA1, 0x63, 0xBF, 0x05,
+	0x98, 0xDA, 0x48, 0x36, 0x1C, 0x55, 0xD3, 0x9A,
+	0x69, 0x16, 0x3F, 0xA8, 0xFD, 0x24, 0xCF, 0x5F,
+	0x83, 0x65, 0x5D, 0x23, 0xDC, 0xA3, 0xAD, 0x96,
+	0x1C, 0x62, 0xF3, 0x56, 0x20, 0x85, 0x52, 0xBB,
+	0x9E, 0xD5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6D,
+	0x67, 0x0C, 0x35, 0x4E, 0x4A, 0xBC, 0x98, 0x04,
+	0xF1, 0x74, 0x6C, 0x08, 0xCA, 0x18, 0x21, 0x7C,
+	0x32, 0x90, 0x5E, 0x46, 0x2E, 0x36, 0xCE, 0x3B,
+	0xE3, 0x9E, 0x77, 0x2C, 0x18, 0x0E, 0x86, 0x03,
+	0x9B, 0x27, 0x83, 0xA2, 0xEC, 0x07, 0xA2, 0x8F,
+	0xB5, 0xC5, 0x5D, 0xF0, 0x6F, 0x4C, 0x52, 0xC9,
+	0xDE, 0x2B, 0xCB, 0xF6, 0x95, 0x58, 0x17, 0x18,
+	0x39, 0x95, 0x49, 0x7C, 0xEA, 0x95, 0x6A, 0xE5,
+	0x15, 0xD2, 0x26, 0x18, 0x98, 0xFA, 0x05, 0x10,
+	0x15, 0x72, 0x8E, 0x5A, 0x8A, 0xAA, 0xC4, 0x2D,
+	0xAD, 0x33, 0x17, 0x0D, 0x04, 0x50, 0x7A, 0x33,
+	0xA8, 0x55, 0x21, 0xAB, 0xDF, 0x1C, 0xBA, 0x64,
+	0xEC, 0xFB, 0x85, 0x04, 0x58, 0xDB, 0xEF, 0x0A,
+	0x8A, 0xEA, 0x71, 0x57, 0x5D, 0x06, 0x0C, 0x7D,
+	0xB3, 0x97, 0x0F, 0x85, 0xA6, 0xE1, 0xE4, 0xC7,
+	0xAB, 0xF5, 0xAE, 0x8C, 0xDB, 0x09, 0x33, 0xD7,
+	0x1E, 0x8C, 0x94, 0xE0, 0x4A, 0x25, 0x61, 0x9D,
+	0xCE, 0xE3, 0xD2, 0x26, 0x1A, 0xD2, 0xEE, 0x6B,
+	0xF1, 0x2F, 0xFA, 0x06, 0xD9, 0x8A, 0x08, 0x64,
+	0xD8, 0x76, 0x02, 0x73, 0x3E, 0xC8, 0x6A, 0x64,
+	0x52, 0x1F, 0x2B, 0x18, 0x17, 0x7B, 0x20, 0x0C,
+	0xBB, 0xE1, 0x17, 0x57, 0x7A, 0x61, 0x5D, 0x6C,
+	0x77, 0x09, 0x88, 0xC0, 0xBA, 0xD9, 0x46, 0xE2,
+	0x08, 0xE2, 0x4F, 0xA0, 0x74, 0xE5, 0xAB, 0x31,
+	0x43, 0xDB, 0x5B, 0xFC, 0xE0, 0xFD, 0x10, 0x8E,
+	0x4B, 0x82, 0xD1, 0x20, 0xA9, 0x3A, 0xD2, 0xCA,
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
+};
+
+/* RFC 3526, 5. Group 16 - 4096 Bit MODP
+ * Generator: 2
+ * Prime: 2^4096 - 2^4032 - 1 + 2^64 * { [2^3966 pi] + 240904 }
+ */
+static const u8 dh_group16_generator[1] = { 0x02 };
+static const u8 dh_group16_prime[512] = {
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34,
+	0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
+	0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74,
+	0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22,
+	0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
+	0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B,
+	0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37,
+	0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
+	0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6,
+	0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x37, 0xED, 0x6B,
+	0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED,
+	0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5,
+	0xAE, 0x9F, 0x24, 0x11, 0x7C, 0x4B, 0x1F, 0xE6,
+	0x49, 0x28, 0x66, 0x51, 0xEC, 0xE4, 0x5B, 0x3D,
+	0xC2, 0x00, 0x7C, 0xB8, 0xA1, 0x63, 0xBF, 0x05,
+	0x98, 0xDA, 0x48, 0x36, 0x1C, 0x55, 0xD3, 0x9A,
+	0x69, 0x16, 0x3F, 0xA8, 0xFD, 0x24, 0xCF, 0x5F,
+	0x83, 0x65, 0x5D, 0x23, 0xDC, 0xA3, 0xAD, 0x96,
+	0x1C, 0x62, 0xF3, 0x56, 0x20, 0x85, 0x52, 0xBB,
+	0x9E, 0xD5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6D,
+	0x67, 0x0C, 0x35, 0x4E, 0x4A, 0xBC, 0x98, 0x04,
+	0xF1, 0x74, 0x6C, 0x08, 0xCA, 0x18, 0x21, 0x7C,
+	0x32, 0x90, 0x5E, 0x46, 0x2E, 0x36, 0xCE, 0x3B,
+	0xE3, 0x9E, 0x77, 0x2C, 0x18, 0x0E, 0x86, 0x03,
+	0x9B, 0x27, 0x83, 0xA2, 0xEC, 0x07, 0xA2, 0x8F,
+	0xB5, 0xC5, 0x5D, 0xF0, 0x6F, 0x4C, 0x52, 0xC9,
+	0xDE, 0x2B, 0xCB, 0xF6, 0x95, 0x58, 0x17, 0x18,
+	0x39, 0x95, 0x49, 0x7C, 0xEA, 0x95, 0x6A, 0xE5,
+	0x15, 0xD2, 0x26, 0x18, 0x98, 0xFA, 0x05, 0x10,
+	0x15, 0x72, 0x8E, 0x5A, 0x8A, 0xAA, 0xC4, 0x2D,
+	0xAD, 0x33, 0x17, 0x0D, 0x04, 0x50, 0x7A, 0x33,
+	0xA8, 0x55, 0x21, 0xAB, 0xDF, 0x1C, 0xBA, 0x64,
+	0xEC, 0xFB, 0x85, 0x04, 0x58, 0xDB, 0xEF, 0x0A,
+	0x8A, 0xEA, 0x71, 0x57, 0x5D, 0x06, 0x0C, 0x7D,
+	0xB3, 0x97, 0x0F, 0x85, 0xA6, 0xE1, 0xE4, 0xC7,
+	0xAB, 0xF5, 0xAE, 0x8C, 0xDB, 0x09, 0x33, 0xD7,
+	0x1E, 0x8C, 0x94, 0xE0, 0x4A, 0x25, 0x61, 0x9D,
+	0xCE, 0xE3, 0xD2, 0x26, 0x1A, 0xD2, 0xEE, 0x6B,
+	0xF1, 0x2F, 0xFA, 0x06, 0xD9, 0x8A, 0x08, 0x64,
+	0xD8, 0x76, 0x02, 0x73, 0x3E, 0xC8, 0x6A, 0x64,
+	0x52, 0x1F, 0x2B, 0x18, 0x17, 0x7B, 0x20, 0x0C,
+	0xBB, 0xE1, 0x17, 0x57, 0x7A, 0x61, 0x5D, 0x6C,
+	0x77, 0x09, 0x88, 0xC0, 0xBA, 0xD9, 0x46, 0xE2,
+	0x08, 0xE2, 0x4F, 0xA0, 0x74, 0xE5, 0xAB, 0x31,
+	0x43, 0xDB, 0x5B, 0xFC, 0xE0, 0xFD, 0x10, 0x8E,
+	0x4B, 0x82, 0xD1, 0x20, 0xA9, 0x21, 0x08, 0x01,
+	0x1A, 0x72, 0x3C, 0x12, 0xA7, 0x87, 0xE6, 0xD7,
+	0x88, 0x71, 0x9A, 0x10, 0xBD, 0xBA, 0x5B, 0x26,
+	0x99, 0xC3, 0x27, 0x18, 0x6A, 0xF4, 0xE2, 0x3C,
+	0x1A, 0x94, 0x68, 0x34, 0xB6, 0x15, 0x0B, 0xDA,
+	0x25, 0x83, 0xE9, 0xCA, 0x2A, 0xD4, 0x4C, 0xE8,
+	0xDB, 0xBB, 0xC2, 0xDB, 0x04, 0xDE, 0x8E, 0xF9,
+	0x2E, 0x8E, 0xFC, 0x14, 0x1F, 0xBE, 0xCA, 0xA6,
+	0x28, 0x7C, 0x59, 0x47, 0x4E, 0x6B, 0xC0, 0x5D,
+	0x99, 0xB2, 0x96, 0x4F, 0xA0, 0x90, 0xC3, 0xA2,
+	0x23, 0x3B, 0xA1, 0x86, 0x51, 0x5B, 0xE7, 0xED,
+	0x1F, 0x61, 0x29, 0x70, 0xCE, 0xE2, 0xD7, 0xAF,
+	0xB8, 0x1B, 0xDD, 0x76, 0x21, 0x70, 0x48, 0x1C,
+	0xD0, 0x06, 0x91, 0x27, 0xD5, 0xB0, 0x5A, 0xA9,
+	0x93, 0xB4, 0xEA, 0x98, 0x8D, 0x8F, 0xDD, 0xC1,
+	0x86, 0xFF, 0xB7, 0xDC, 0x90, 0xA6, 0xC0, 0x8F,
+	0x4D, 0xF4, 0x35, 0xC9, 0x34, 0x06, 0x31, 0x99,
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
+};
+
+/* RFC 3526, 6. Group 17 - 6144 Bit MODP
+ * Generator: 2
+ * Prime: 2^6144 - 2^6080 - 1 + 2^64 * { [2^6014 pi] + 929484 }
+ */
+static const u8 dh_group17_generator[1] = { 0x02 };
+static const u8 dh_group17_prime[768] = {
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34,
+	0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
+	0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74,
+	0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22,
+	0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
+	0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B,
+	0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37,
+	0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
+	0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6,
+	0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x37, 0xED, 0x6B,
+	0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED,
+	0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5,
+	0xAE, 0x9F, 0x24, 0x11, 0x7C, 0x4B, 0x1F, 0xE6,
+	0x49, 0x28, 0x66, 0x51, 0xEC, 0xE4, 0x5B, 0x3D,
+	0xC2, 0x00, 0x7C, 0xB8, 0xA1, 0x63, 0xBF, 0x05,
+	0x98, 0xDA, 0x48, 0x36, 0x1C, 0x55, 0xD3, 0x9A,
+	0x69, 0x16, 0x3F, 0xA8, 0xFD, 0x24, 0xCF, 0x5F,
+	0x83, 0x65, 0x5D, 0x23, 0xDC, 0xA3, 0xAD, 0x96,
+	0x1C, 0x62, 0xF3, 0x56, 0x20, 0x85, 0x52, 0xBB,
+	0x9E, 0xD5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6D,
+	0x67, 0x0C, 0x35, 0x4E, 0x4A, 0xBC, 0x98, 0x04,
+	0xF1, 0x74, 0x6C, 0x08, 0xCA, 0x18, 0x21, 0x7C,
+	0x32, 0x90, 0x5E, 0x46, 0x2E, 0x36, 0xCE, 0x3B,
+	0xE3, 0x9E, 0x77, 0x2C, 0x18, 0x0E, 0x86, 0x03,
+	0x9B, 0x27, 0x83, 0xA2, 0xEC, 0x07, 0xA2, 0x8F,
+	0xB5, 0xC5, 0x5D, 0xF0, 0x6F, 0x4C, 0x52, 0xC9,
+	0xDE, 0x2B, 0xCB, 0xF6, 0x95, 0x58, 0x17, 0x18,
+	0x39, 0x95, 0x49, 0x7C, 0xEA, 0x95, 0x6A, 0xE5,
+	0x15, 0xD2, 0x26, 0x18, 0x98, 0xFA, 0x05, 0x10,
+	0x15, 0x72, 0x8E, 0x5A, 0x8A, 0xAA, 0xC4, 0x2D,
+	0xAD, 0x33, 0x17, 0x0D, 0x04, 0x50, 0x7A, 0x33,
+	0xA8, 0x55, 0x21, 0xAB, 0xDF, 0x1C, 0xBA, 0x64,
+	0xEC, 0xFB, 0x85, 0x04, 0x58, 0xDB, 0xEF, 0x0A,
+	0x8A, 0xEA, 0x71, 0x57, 0x5D, 0x06, 0x0C, 0x7D,
+	0xB3, 0x97, 0x0F, 0x85, 0xA6, 0xE1, 0xE4, 0xC7,
+	0xAB, 0xF5, 0xAE, 0x8C, 0xDB, 0x09, 0x33, 0xD7,
+	0x1E, 0x8C, 0x94, 0xE0, 0x4A, 0x25, 0x61, 0x9D,
+	0xCE, 0xE3, 0xD2, 0x26, 0x1A, 0xD2, 0xEE, 0x6B,
+	0xF1, 0x2F, 0xFA, 0x06, 0xD9, 0x8A, 0x08, 0x64,
+	0xD8, 0x76, 0x02, 0x73, 0x3E, 0xC8, 0x6A, 0x64,
+	0x52, 0x1F, 0x2B, 0x18, 0x17, 0x7B, 0x20, 0x0C,
+	0xBB, 0xE1, 0x17, 0x57, 0x7A, 0x61, 0x5D, 0x6C,
+	0x77, 0x09, 0x88, 0xC0, 0xBA, 0xD9, 0x46, 0xE2,
+	0x08, 0xE2, 0x4F, 0xA0, 0x74, 0xE5, 0xAB, 0x31,
+	0x43, 0xDB, 0x5B, 0xFC, 0xE0, 0xFD, 0x10, 0x8E,
+	0x4B, 0x82, 0xD1, 0x20, 0xA9, 0x21, 0x08, 0x01,
+	0x1A, 0x72, 0x3C, 0x12, 0xA7, 0x87, 0xE6, 0xD7,
+	0x88, 0x71, 0x9A, 0x10, 0xBD, 0xBA, 0x5B, 0x26,
+	0x99, 0xC3, 0x27, 0x18, 0x6A, 0xF4, 0xE2, 0x3C,
+	0x1A, 0x94, 0x68, 0x34, 0xB6, 0x15, 0x0B, 0xDA,
+	0x25, 0x83, 0xE9, 0xCA, 0x2A, 0xD4, 0x4C, 0xE8,
+	0xDB, 0xBB, 0xC2, 0xDB, 0x04, 0xDE, 0x8E, 0xF9,
+	0x2E, 0x8E, 0xFC, 0x14, 0x1F, 0xBE, 0xCA, 0xA6,
+	0x28, 0x7C, 0x59, 0x47, 0x4E, 0x6B, 0xC0, 0x5D,
+	0x99, 0xB2, 0x96, 0x4F, 0xA0, 0x90, 0xC3, 0xA2,
+	0x23, 0x3B, 0xA1, 0x86, 0x51, 0x5B, 0xE7, 0xED,
+	0x1F, 0x61, 0x29, 0x70, 0xCE, 0xE2, 0xD7, 0xAF,
+	0xB8, 0x1B, 0xDD, 0x76, 0x21, 0x70, 0x48, 0x1C,
+	0xD0, 0x06, 0x91, 0x27, 0xD5, 0xB0, 0x5A, 0xA9,
+	0x93, 0xB4, 0xEA, 0x98, 0x8D, 0x8F, 0xDD, 0xC1,
+	0x86, 0xFF, 0xB7, 0xDC, 0x90, 0xA6, 0xC0, 0x8F,
+	0x4D, 0xF4, 0x35, 0xC9, 0x34, 0x02, 0x84, 0x92,
+	0x36, 0xC3, 0xFA, 0xB4, 0xD2, 0x7C, 0x70, 0x26,
+	0xC1, 0xD4, 0xDC, 0xB2, 0x60, 0x26, 0x46, 0xDE,
+	0xC9, 0x75, 0x1E, 0x76, 0x3D, 0xBA, 0x37, 0xBD,
+	0xF8, 0xFF, 0x94, 0x06, 0xAD, 0x9E, 0x53, 0x0E,
+	0xE5, 0xDB, 0x38, 0x2F, 0x41, 0x30, 0x01, 0xAE,
+	0xB0, 0x6A, 0x53, 0xED, 0x90, 0x27, 0xD8, 0x31,
+	0x17, 0x97, 0x27, 0xB0, 0x86, 0x5A, 0x89, 0x18,
+	0xDA, 0x3E, 0xDB, 0xEB, 0xCF, 0x9B, 0x14, 0xED,
+	0x44, 0xCE, 0x6C, 0xBA, 0xCE, 0xD4, 0xBB, 0x1B,
+	0xDB, 0x7F, 0x14, 0x47, 0xE6, 0xCC, 0x25, 0x4B,
+	0x33, 0x20, 0x51, 0x51, 0x2B, 0xD7, 0xAF, 0x42,
+	0x6F, 0xB8, 0xF4, 0x01, 0x37, 0x8C, 0xD2, 0xBF,
+	0x59, 0x83, 0xCA, 0x01, 0xC6, 0x4B, 0x92, 0xEC,
+	0xF0, 0x32, 0xEA, 0x15, 0xD1, 0x72, 0x1D, 0x03,
+	0xF4, 0x82, 0xD7, 0xCE, 0x6E, 0x74, 0xFE, 0xF6,
+	0xD5, 0x5E, 0x70, 0x2F, 0x46, 0x98, 0x0C, 0x82,
+	0xB5, 0xA8, 0x40, 0x31, 0x90, 0x0B, 0x1C, 0x9E,
+	0x59, 0xE7, 0xC9, 0x7F, 0xBE, 0xC7, 0xE8, 0xF3,
+	0x23, 0xA9, 0x7A, 0x7E, 0x36, 0xCC, 0x88, 0xBE,
+	0x0F, 0x1D, 0x45, 0xB7, 0xFF, 0x58, 0x5A, 0xC5,
+	0x4B, 0xD4, 0x07, 0xB2, 0x2B, 0x41, 0x54, 0xAA,
+	0xCC, 0x8F, 0x6D, 0x7E, 0xBF, 0x48, 0xE1, 0xD8,
+	0x14, 0xCC, 0x5E, 0xD2, 0x0F, 0x80, 0x37, 0xE0,
+	0xA7, 0x97, 0x15, 0xEE, 0xF2, 0x9B, 0xE3, 0x28,
+	0x06, 0xA1, 0xD5, 0x8B, 0xB7, 0xC5, 0xDA, 0x76,
+	0xF5, 0x50, 0xAA, 0x3D, 0x8A, 0x1F, 0xBF, 0xF0,
+	0xEB, 0x19, 0xCC, 0xB1, 0xA3, 0x13, 0xD5, 0x5C,
+	0xDA, 0x56, 0xC9, 0xEC, 0x2E, 0xF2, 0x96, 0x32,
+	0x38, 0x7F, 0xE8, 0xD7, 0x6E, 0x3C, 0x04, 0x68,
+	0x04, 0x3E, 0x8F, 0x66, 0x3F, 0x48, 0x60, 0xEE,
+	0x12, 0xBF, 0x2D, 0x5B, 0x0B, 0x74, 0x74, 0xD6,
+	0xE6, 0x94, 0xF9, 0x1E, 0x6D, 0xCC, 0x40, 0x24,
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
+};
+
+/* RFC 3526, 7. Group 18 - 8192 Bit MODP
+ * Generator: 2
+ * Prime: 2^8192 - 2^8128 - 1 + 2^64 * { [2^8062 pi] + 4743158 }
+ */
+static const u8 dh_group18_generator[1] = { 0x02 };
+static const u8 dh_group18_prime[1024] = {
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34,
+	0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
+	0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74,
+	0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22,
+	0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
+	0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B,
+	0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37,
+	0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
+	0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6,
+	0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x37, 0xED, 0x6B,
+	0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED,
+	0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5,
+	0xAE, 0x9F, 0x24, 0x11, 0x7C, 0x4B, 0x1F, 0xE6,
+	0x49, 0x28, 0x66, 0x51, 0xEC, 0xE4, 0x5B, 0x3D,
+	0xC2, 0x00, 0x7C, 0xB8, 0xA1, 0x63, 0xBF, 0x05,
+	0x98, 0xDA, 0x48, 0x36, 0x1C, 0x55, 0xD3, 0x9A,
+	0x69, 0x16, 0x3F, 0xA8, 0xFD, 0x24, 0xCF, 0x5F,
+	0x83, 0x65, 0x5D, 0x23, 0xDC, 0xA3, 0xAD, 0x96,
+	0x1C, 0x62, 0xF3, 0x56, 0x20, 0x85, 0x52, 0xBB,
+	0x9E, 0xD5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6D,
+	0x67, 0x0C, 0x35, 0x4E, 0x4A, 0xBC, 0x98, 0x04,
+	0xF1, 0x74, 0x6C, 0x08, 0xCA, 0x18, 0x21, 0x7C,
+	0x32, 0x90, 0x5E, 0x46, 0x2E, 0x36, 0xCE, 0x3B,
+	0xE3, 0x9E, 0x77, 0x2C, 0x18, 0x0E, 0x86, 0x03,
+	0x9B, 0x27, 0x83, 0xA2, 0xEC, 0x07, 0xA2, 0x8F,
+	0xB5, 0xC5, 0x5D, 0xF0, 0x6F, 0x4C, 0x52, 0xC9,
+	0xDE, 0x2B, 0xCB, 0xF6, 0x95, 0x58, 0x17, 0x18,
+	0x39, 0x95, 0x49, 0x7C, 0xEA, 0x95, 0x6A, 0xE5,
+	0x15, 0xD2, 0x26, 0x18, 0x98, 0xFA, 0x05, 0x10,
+	0x15, 0x72, 0x8E, 0x5A, 0x8A, 0xAA, 0xC4, 0x2D,
+	0xAD, 0x33, 0x17, 0x0D, 0x04, 0x50, 0x7A, 0x33,
+	0xA8, 0x55, 0x21, 0xAB, 0xDF, 0x1C, 0xBA, 0x64,
+	0xEC, 0xFB, 0x85, 0x04, 0x58, 0xDB, 0xEF, 0x0A,
+	0x8A, 0xEA, 0x71, 0x57, 0x5D, 0x06, 0x0C, 0x7D,
+	0xB3, 0x97, 0x0F, 0x85, 0xA6, 0xE1, 0xE4, 0xC7,
+	0xAB, 0xF5, 0xAE, 0x8C, 0xDB, 0x09, 0x33, 0xD7,
+	0x1E, 0x8C, 0x94, 0xE0, 0x4A, 0x25, 0x61, 0x9D,
+	0xCE, 0xE3, 0xD2, 0x26, 0x1A, 0xD2, 0xEE, 0x6B,
+	0xF1, 0x2F, 0xFA, 0x06, 0xD9, 0x8A, 0x08, 0x64,
+	0xD8, 0x76, 0x02, 0x73, 0x3E, 0xC8, 0x6A, 0x64,
+	0x52, 0x1F, 0x2B, 0x18, 0x17, 0x7B, 0x20, 0x0C,
+	0xBB, 0xE1, 0x17, 0x57, 0x7A, 0x61, 0x5D, 0x6C,
+	0x77, 0x09, 0x88, 0xC0, 0xBA, 0xD9, 0x46, 0xE2,
+	0x08, 0xE2, 0x4F, 0xA0, 0x74, 0xE5, 0xAB, 0x31,
+	0x43, 0xDB, 0x5B, 0xFC, 0xE0, 0xFD, 0x10, 0x8E,
+	0x4B, 0x82, 0xD1, 0x20, 0xA9, 0x21, 0x08, 0x01,
+	0x1A, 0x72, 0x3C, 0x12, 0xA7, 0x87, 0xE6, 0xD7,
+	0x88, 0x71, 0x9A, 0x10, 0xBD, 0xBA, 0x5B, 0x26,
+	0x99, 0xC3, 0x27, 0x18, 0x6A, 0xF4, 0xE2, 0x3C,
+	0x1A, 0x94, 0x68, 0x34, 0xB6, 0x15, 0x0B, 0xDA,
+	0x25, 0x83, 0xE9, 0xCA, 0x2A, 0xD4, 0x4C, 0xE8,
+	0xDB, 0xBB, 0xC2, 0xDB, 0x04, 0xDE, 0x8E, 0xF9,
+	0x2E, 0x8E, 0xFC, 0x14, 0x1F, 0xBE, 0xCA, 0xA6,
+	0x28, 0x7C, 0x59, 0x47, 0x4E, 0x6B, 0xC0, 0x5D,
+	0x99, 0xB2, 0x96, 0x4F, 0xA0, 0x90, 0xC3, 0xA2,
+	0x23, 0x3B, 0xA1, 0x86, 0x51, 0x5B, 0xE7, 0xED,
+	0x1F, 0x61, 0x29, 0x70, 0xCE, 0xE2, 0xD7, 0xAF,
+	0xB8, 0x1B, 0xDD, 0x76, 0x21, 0x70, 0x48, 0x1C,
+	0xD0, 0x06, 0x91, 0x27, 0xD5, 0xB0, 0x5A, 0xA9,
+	0x93, 0xB4, 0xEA, 0x98, 0x8D, 0x8F, 0xDD, 0xC1,
+	0x86, 0xFF, 0xB7, 0xDC, 0x90, 0xA6, 0xC0, 0x8F,
+	0x4D, 0xF4, 0x35, 0xC9, 0x34, 0x02, 0x84, 0x92,
+	0x36, 0xC3, 0xFA, 0xB4, 0xD2, 0x7C, 0x70, 0x26,
+	0xC1, 0xD4, 0xDC, 0xB2, 0x60, 0x26, 0x46, 0xDE,
+	0xC9, 0x75, 0x1E, 0x76, 0x3D, 0xBA, 0x37, 0xBD,
+	0xF8, 0xFF, 0x94, 0x06, 0xAD, 0x9E, 0x53, 0x0E,
+	0xE5, 0xDB, 0x38, 0x2F, 0x41, 0x30, 0x01, 0xAE,
+	0xB0, 0x6A, 0x53, 0xED, 0x90, 0x27, 0xD8, 0x31,
+	0x17, 0x97, 0x27, 0xB0, 0x86, 0x5A, 0x89, 0x18,
+	0xDA, 0x3E, 0xDB, 0xEB, 0xCF, 0x9B, 0x14, 0xED,
+	0x44, 0xCE, 0x6C, 0xBA, 0xCE, 0xD4, 0xBB, 0x1B,
+	0xDB, 0x7F, 0x14, 0x47, 0xE6, 0xCC, 0x25, 0x4B,
+	0x33, 0x20, 0x51, 0x51, 0x2B, 0xD7, 0xAF, 0x42,
+	0x6F, 0xB8, 0xF4, 0x01, 0x37, 0x8C, 0xD2, 0xBF,
+	0x59, 0x83, 0xCA, 0x01, 0xC6, 0x4B, 0x92, 0xEC,
+	0xF0, 0x32, 0xEA, 0x15, 0xD1, 0x72, 0x1D, 0x03,
+	0xF4, 0x82, 0xD7, 0xCE, 0x6E, 0x74, 0xFE, 0xF6,
+	0xD5, 0x5E, 0x70, 0x2F, 0x46, 0x98, 0x0C, 0x82,
+	0xB5, 0xA8, 0x40, 0x31, 0x90, 0x0B, 0x1C, 0x9E,
+	0x59, 0xE7, 0xC9, 0x7F, 0xBE, 0xC7, 0xE8, 0xF3,
+	0x23, 0xA9, 0x7A, 0x7E, 0x36, 0xCC, 0x88, 0xBE,
+	0x0F, 0x1D, 0x45, 0xB7, 0xFF, 0x58, 0x5A, 0xC5,
+	0x4B, 0xD4, 0x07, 0xB2, 0x2B, 0x41, 0x54, 0xAA,
+	0xCC, 0x8F, 0x6D, 0x7E, 0xBF, 0x48, 0xE1, 0xD8,
+	0x14, 0xCC, 0x5E, 0xD2, 0x0F, 0x80, 0x37, 0xE0,
+	0xA7, 0x97, 0x15, 0xEE, 0xF2, 0x9B, 0xE3, 0x28,
+	0x06, 0xA1, 0xD5, 0x8B, 0xB7, 0xC5, 0xDA, 0x76,
+	0xF5, 0x50, 0xAA, 0x3D, 0x8A, 0x1F, 0xBF, 0xF0,
+	0xEB, 0x19, 0xCC, 0xB1, 0xA3, 0x13, 0xD5, 0x5C,
+	0xDA, 0x56, 0xC9, 0xEC, 0x2E, 0xF2, 0x96, 0x32,
+	0x38, 0x7F, 0xE8, 0xD7, 0x6E, 0x3C, 0x04, 0x68,
+	0x04, 0x3E, 0x8F, 0x66, 0x3F, 0x48, 0x60, 0xEE,
+	0x12, 0xBF, 0x2D, 0x5B, 0x0B, 0x74, 0x74, 0xD6,
+	0xE6, 0x94, 0xF9, 0x1E, 0x6D, 0xBE, 0x11, 0x59,
+	0x74, 0xA3, 0x92, 0x6F, 0x12, 0xFE, 0xE5, 0xE4,
+	0x38, 0x77, 0x7C, 0xB6, 0xA9, 0x32, 0xDF, 0x8C,
+	0xD8, 0xBE, 0xC4, 0xD0, 0x73, 0xB9, 0x31, 0xBA,
+	0x3B, 0xC8, 0x32, 0xB6, 0x8D, 0x9D, 0xD3, 0x00,
+	0x74, 0x1F, 0xA7, 0xBF, 0x8A, 0xFC, 0x47, 0xED,
+	0x25, 0x76, 0xF6, 0x93, 0x6B, 0xA4, 0x24, 0x66,
+	0x3A, 0xAB, 0x63, 0x9C, 0x5A, 0xE4, 0xF5, 0x68,
+	0x34, 0x23, 0xB4, 0x74, 0x2B, 0xF1, 0xC9, 0x78,
+	0x23, 0x8F, 0x16, 0xCB, 0xE3, 0x9D, 0x65, 0x2D,
+	0xE3, 0xFD, 0xB8, 0xBE, 0xFC, 0x84, 0x8A, 0xD9,
+	0x22, 0x22, 0x2E, 0x04, 0xA4, 0x03, 0x7C, 0x07,
+	0x13, 0xEB, 0x57, 0xA8, 0x1A, 0x23, 0xF0, 0xC7,
+	0x34, 0x73, 0xFC, 0x64, 0x6C, 0xEA, 0x30, 0x6B,
+	0x4B, 0xCB, 0xC8, 0x86, 0x2F, 0x83, 0x85, 0xDD,
+	0xFA, 0x9D, 0x4B, 0x7F, 0xA2, 0xC0, 0x87, 0xE8,
+	0x79, 0x68, 0x33, 0x03, 0xED, 0x5B, 0xDD, 0x3A,
+	0x06, 0x2B, 0x3C, 0xF5, 0xB3, 0xA2, 0x78, 0xA6,
+	0x6D, 0x2A, 0x13, 0xF8, 0x3F, 0x44, 0xF8, 0x2D,
+	0xDF, 0x31, 0x0E, 0xE0, 0x74, 0xAB, 0x6A, 0x36,
+	0x45, 0x97, 0xE8, 0x99, 0xA0, 0x25, 0x5D, 0xC1,
+	0x64, 0xF3, 0x1C, 0xC5, 0x08, 0x46, 0x85, 0x1D,
+	0xF9, 0xAB, 0x48, 0x19, 0x5D, 0xED, 0x7E, 0xA1,
+	0xB1, 0xD5, 0x10, 0xBD, 0x7E, 0xE7, 0x4D, 0x73,
+	0xFA, 0xF3, 0x6B, 0xC3, 0x1E, 0xCF, 0xA2, 0x68,
+	0x35, 0x90, 0x46, 0xF4, 0xEB, 0x87, 0x9F, 0x92,
+	0x40, 0x09, 0x43, 0x8B, 0x48, 0x1C, 0x6C, 0xD7,
+	0x88, 0x9A, 0x00, 0x2E, 0xD5, 0xEE, 0x38, 0x2B,
+	0xC9, 0x19, 0x0D, 0xA6, 0xFC, 0x02, 0x6E, 0x47,
+	0x95, 0x58, 0xE4, 0x47, 0x56, 0x77, 0xE9, 0xAA,
+	0x9E, 0x30, 0x50, 0xE2, 0x76, 0x56, 0x94, 0xDF,
+	0xC8, 0x1F, 0x56, 0xE8, 0x80, 0xB9, 0x6E, 0x71,
+	0x60, 0xC9, 0x80, 0xDD, 0x98, 0xED, 0xD3, 0xDF,
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
+};
+
+#endif /* ALL_DH_GROUPS */
+
+
+#define DH_GROUP(id) \
+{ id, dh_group ## id ## _generator, sizeof(dh_group ## id ## _generator), \
+dh_group ## id ## _prime, sizeof(dh_group ## id ## _prime) }
+		
+
+static struct dh_group dh_groups[] = {
+	DH_GROUP(5),
+#ifdef ALL_DH_GROUPS
+	DH_GROUP(1),
+	DH_GROUP(2),
+	DH_GROUP(14),
+	DH_GROUP(15),
+	DH_GROUP(16),
+	DH_GROUP(17),
+	DH_GROUP(18)
+#endif /* ALL_DH_GROUPS */
+};
+
+#define NUM_DH_GROUPS (sizeof(dh_groups) / sizeof(dh_groups[0]))
+
+
+const struct dh_group * dh_groups_get(int id)
+{
+	size_t i;
+
+	for (i = 0; i < NUM_DH_GROUPS; i++) {
+		if (dh_groups[i].id == id)
+			return &dh_groups[i];
+	}
+	return NULL;
+}
+
+
+/**
+ * dh_init - Initialize Diffie-Hellman handshake
+ * @dh: Selected Diffie-Hellman group
+ * @priv: Pointer for returning Diffie-Hellman private key
+ * Returns: Diffie-Hellman public value
+ */
+struct wpabuf * dh_init(const struct dh_group *dh, struct wpabuf **priv)
+{
+	struct wpabuf *pv;
+	size_t pv_len;
+
+	if (dh == NULL)
+		return NULL;
+
+	wpabuf_free(*priv);
+	*priv = wpabuf_alloc(dh->prime_len);
+	if (*priv == NULL)
+		return NULL;
+
+	if (random_get_bytes(wpabuf_put(*priv, dh->prime_len), dh->prime_len))
+	{
+		wpabuf_free(*priv);
+		*priv = NULL;
+		return NULL;
+	}
+
+	if (os_memcmp(wpabuf_head(*priv), dh->prime, dh->prime_len) > 0) {
+		/* Make sure private value is smaller than prime */
+		*(wpabuf_mhead_u8(*priv)) = 0;
+	}
+	wpa_hexdump_buf_key(MSG_DEBUG, "DH: private value", *priv);
+
+	pv_len = dh->prime_len;
+	pv = wpabuf_alloc(pv_len);
+	if (pv == NULL)
+		return NULL;
+	if (crypto_mod_exp(dh->generator, dh->generator_len,
+			   wpabuf_head(*priv), wpabuf_len(*priv),
+			   dh->prime, dh->prime_len, wpabuf_mhead(pv),
+			   &pv_len) < 0) {
+		wpabuf_free(pv);
+		wpa_printf(MSG_INFO, "DH: crypto_mod_exp failed");
+		return NULL;
+	}
+	wpabuf_put(pv, pv_len);
+	wpa_hexdump_buf(MSG_DEBUG, "DH: public value", pv);
+
+	return pv;
+}
+
+
+/**
+ * dh_derive_shared - Derive shared Diffie-Hellman key
+ * @peer_public: Diffie-Hellman public value from peer
+ * @own_private: Diffie-Hellman private key from dh_init()
+ * @dh: Selected Diffie-Hellman group
+ * Returns: Diffie-Hellman shared key
+ */
+struct wpabuf * dh_derive_shared(const struct wpabuf *peer_public,
+				 const struct wpabuf *own_private,
+				 const struct dh_group *dh)
+{
+	struct wpabuf *shared;
+	size_t shared_len;
+
+	if (dh == NULL || peer_public == NULL || own_private == NULL)
+		return NULL;
+
+	shared_len = dh->prime_len;
+	shared = wpabuf_alloc(shared_len);
+	if (shared == NULL)
+		return NULL;
+	if (crypto_mod_exp(wpabuf_head(peer_public), wpabuf_len(peer_public),
+			   wpabuf_head(own_private), wpabuf_len(own_private),
+			   dh->prime, dh->prime_len,
+			   wpabuf_mhead(shared), &shared_len) < 0) {
+		wpabuf_free(shared);
+		wpa_printf(MSG_INFO, "DH: crypto_mod_exp failed");
+		return NULL;
+	}
+	wpabuf_put(shared, shared_len);
+	wpa_hexdump_buf_key(MSG_DEBUG, "DH: shared key", shared);
+
+	return shared;
+}
diff --git a/src/crypto/dh_groups.h b/src/crypto/dh_groups.h
new file mode 100644
index 0000000..5c61539
--- /dev/null
+++ b/src/crypto/dh_groups.h
@@ -0,0 +1,32 @@
+/*
+ * Diffie-Hellman groups
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef DH_GROUPS_H
+#define DH_GROUPS_H
+
+struct dh_group {
+	int id;
+	const u8 *generator;
+	size_t generator_len;
+	const u8 *prime;
+	size_t prime_len;
+};
+
+const struct dh_group * dh_groups_get(int id);
+struct wpabuf * dh_init(const struct dh_group *dh, struct wpabuf **priv);
+struct wpabuf * dh_derive_shared(const struct wpabuf *peer_public,
+				 const struct wpabuf *own_private,
+				 const struct dh_group *dh);
+
+#endif /* DH_GROUPS_H */
diff --git a/src/crypto/fips_prf_cryptoapi.c b/src/crypto/fips_prf_cryptoapi.c
new file mode 100644
index 0000000..17d3116
--- /dev/null
+++ b/src/crypto/fips_prf_cryptoapi.c
@@ -0,0 +1,25 @@
+/*
+ * FIPS 186-2 PRF for Microsoft CryptoAPI
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto.h"
+
+
+int fips186_2_prf(const u8 *seed, size_t seed_len, u8 *x, size_t xlen)
+{
+	/* FIX: how to do this with CryptoAPI? */
+	return -1;
+}
diff --git a/src/crypto/fips_prf_gnutls.c b/src/crypto/fips_prf_gnutls.c
new file mode 100644
index 0000000..f742e98
--- /dev/null
+++ b/src/crypto/fips_prf_gnutls.c
@@ -0,0 +1,26 @@
+/*
+ * FIPS 186-2 PRF for libgcrypt
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <gcrypt.h>
+
+#include "common.h"
+#include "crypto.h"
+
+
+int fips186_2_prf(const u8 *seed, size_t seed_len, u8 *x, size_t xlen)
+{
+	/* FIX: how to do this with libgcrypt? */
+	return -1;
+}
diff --git a/src/crypto/fips_prf_internal.c b/src/crypto/fips_prf_internal.c
new file mode 100644
index 0000000..a85cb14
--- /dev/null
+++ b/src/crypto/fips_prf_internal.c
@@ -0,0 +1,74 @@
+/*
+ * FIPS 186-2 PRF for internal crypto implementation
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "sha1.h"
+#include "sha1_i.h"
+#include "crypto.h"
+
+
+int fips186_2_prf(const u8 *seed, size_t seed_len, u8 *x, size_t xlen)
+{
+	u8 xkey[64];
+	u32 t[5], _t[5];
+	int i, j, m, k;
+	u8 *xpos = x;
+	u32 carry;
+
+	if (seed_len > sizeof(xkey))
+		seed_len = sizeof(xkey);
+
+	/* FIPS 186-2 + change notice 1 */
+
+	os_memcpy(xkey, seed, seed_len);
+	os_memset(xkey + seed_len, 0, 64 - seed_len);
+	t[0] = 0x67452301;
+	t[1] = 0xEFCDAB89;
+	t[2] = 0x98BADCFE;
+	t[3] = 0x10325476;
+	t[4] = 0xC3D2E1F0;
+
+	m = xlen / 40;
+	for (j = 0; j < m; j++) {
+		/* XSEED_j = 0 */
+		for (i = 0; i < 2; i++) {
+			/* XVAL = (XKEY + XSEED_j) mod 2^b */
+
+			/* w_i = G(t, XVAL) */
+			os_memcpy(_t, t, 20);
+			SHA1Transform(_t, xkey);
+			_t[0] = host_to_be32(_t[0]);
+			_t[1] = host_to_be32(_t[1]);
+			_t[2] = host_to_be32(_t[2]);
+			_t[3] = host_to_be32(_t[3]);
+			_t[4] = host_to_be32(_t[4]);
+			os_memcpy(xpos, _t, 20);
+
+			/* XKEY = (1 + XKEY + w_i) mod 2^b */
+			carry = 1;
+			for (k = 19; k >= 0; k--) {
+				carry += xkey[k] + xpos[k];
+				xkey[k] = carry & 0xff;
+				carry >>= 8;
+			}
+
+			xpos += SHA1_MAC_LEN;
+		}
+		/* x_j = w_0|w_1 */
+	}
+
+	return 0;
+}
diff --git a/src/crypto/fips_prf_nss.c b/src/crypto/fips_prf_nss.c
new file mode 100644
index 0000000..f941983
--- /dev/null
+++ b/src/crypto/fips_prf_nss.c
@@ -0,0 +1,25 @@
+/*
+ * FIPS 186-2 PRF for NSS
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <openssl/sha.h>
+
+#include "common.h"
+#include "crypto.h"
+
+
+int fips186_2_prf(const u8 *seed, size_t seed_len, u8 *x, size_t xlen)
+{
+	return -1;
+}
diff --git a/src/crypto/fips_prf_openssl.c b/src/crypto/fips_prf_openssl.c
new file mode 100644
index 0000000..d0af983
--- /dev/null
+++ b/src/crypto/fips_prf_openssl.c
@@ -0,0 +1,83 @@
+/*
+ * FIPS 186-2 PRF for libcrypto
+ * Copyright (c) 2004-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <openssl/sha.h>
+
+#include "common.h"
+#include "crypto.h"
+
+
+static void sha1_transform(u8 *state, const u8 data[64])
+{
+	SHA_CTX context;
+	os_memset(&context, 0, sizeof(context));
+	os_memcpy(&context.h0, state, 5 * 4);
+	SHA1_Transform(&context, data);
+	os_memcpy(state, &context.h0, 5 * 4);
+}
+
+
+int fips186_2_prf(const u8 *seed, size_t seed_len, u8 *x, size_t xlen)
+{
+	u8 xkey[64];
+	u32 t[5], _t[5];
+	int i, j, m, k;
+	u8 *xpos = x;
+	u32 carry;
+
+	if (seed_len > sizeof(xkey))
+		seed_len = sizeof(xkey);
+
+	/* FIPS 186-2 + change notice 1 */
+
+	os_memcpy(xkey, seed, seed_len);
+	os_memset(xkey + seed_len, 0, 64 - seed_len);
+	t[0] = 0x67452301;
+	t[1] = 0xEFCDAB89;
+	t[2] = 0x98BADCFE;
+	t[3] = 0x10325476;
+	t[4] = 0xC3D2E1F0;
+
+	m = xlen / 40;
+	for (j = 0; j < m; j++) {
+		/* XSEED_j = 0 */
+		for (i = 0; i < 2; i++) {
+			/* XVAL = (XKEY + XSEED_j) mod 2^b */
+
+			/* w_i = G(t, XVAL) */
+			os_memcpy(_t, t, 20);
+			sha1_transform((u8 *) _t, xkey);
+			_t[0] = host_to_be32(_t[0]);
+			_t[1] = host_to_be32(_t[1]);
+			_t[2] = host_to_be32(_t[2]);
+			_t[3] = host_to_be32(_t[3]);
+			_t[4] = host_to_be32(_t[4]);
+			os_memcpy(xpos, _t, 20);
+
+			/* XKEY = (1 + XKEY + w_i) mod 2^b */
+			carry = 1;
+			for (k = 19; k >= 0; k--) {
+				carry += xkey[k] + xpos[k];
+				xkey[k] = carry & 0xff;
+				carry >>= 8;
+			}
+
+			xpos += 20;
+		}
+		/* x_j = w_0|w_1 */
+	}
+
+	return 0;
+}
diff --git a/src/crypto/md4-internal.c b/src/crypto/md4-internal.c
new file mode 100644
index 0000000..d9f499f
--- /dev/null
+++ b/src/crypto/md4-internal.c
@@ -0,0 +1,278 @@
+/*
+ * MD4 hash implementation
+ * Copyright (c) 2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto.h"
+
+#define	MD4_BLOCK_LENGTH		64
+#define	MD4_DIGEST_LENGTH		16
+
+typedef struct MD4Context {
+	u32 state[4];			/* state */
+	u64 count;			/* number of bits, mod 2^64 */
+	u8 buffer[MD4_BLOCK_LENGTH];	/* input buffer */
+} MD4_CTX;
+
+
+static void MD4Init(MD4_CTX *ctx);
+static void MD4Update(MD4_CTX *ctx, const unsigned char *input, size_t len);
+static void MD4Final(unsigned char digest[MD4_DIGEST_LENGTH], MD4_CTX *ctx);
+
+
+int md4_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	MD4_CTX ctx;
+	size_t i;
+
+	MD4Init(&ctx);
+	for (i = 0; i < num_elem; i++)
+		MD4Update(&ctx, addr[i], len[i]);
+	MD4Final(mac, &ctx);
+	return 0;
+}
+
+
+/* ===== start - public domain MD4 implementation ===== */
+/*	$OpenBSD: md4.c,v 1.7 2005/08/08 08:05:35 espie Exp $	*/
+
+/*
+ * This code implements the MD4 message-digest algorithm.
+ * The algorithm is due to Ron Rivest.	This code was
+ * written by Colin Plumb in 1993, no copyright is claimed.
+ * This code is in the public domain; do with it what you wish.
+ * Todd C. Miller modified the MD5 code to do MD4 based on RFC 1186.
+ *
+ * Equivalent code is available from RSA Data Security, Inc.
+ * This code has been tested against that, and is equivalent,
+ * except that you don't need to include two pages of legalese
+ * with every copy.
+ *
+ * To compute the message digest of a chunk of bytes, declare an
+ * MD4Context structure, pass it to MD4Init, call MD4Update as
+ * needed on buffers full of bytes, and then call MD4Final, which
+ * will fill a supplied 16-byte array with the digest.
+ */
+
+#define	MD4_DIGEST_STRING_LENGTH	(MD4_DIGEST_LENGTH * 2 + 1)
+
+
+static void
+MD4Transform(u32 state[4], const u8 block[MD4_BLOCK_LENGTH]);
+
+#define PUT_64BIT_LE(cp, value) do {					\
+	(cp)[7] = (value) >> 56;					\
+	(cp)[6] = (value) >> 48;					\
+	(cp)[5] = (value) >> 40;					\
+	(cp)[4] = (value) >> 32;					\
+	(cp)[3] = (value) >> 24;					\
+	(cp)[2] = (value) >> 16;					\
+	(cp)[1] = (value) >> 8;						\
+	(cp)[0] = (value); } while (0)
+
+#define PUT_32BIT_LE(cp, value) do {					\
+	(cp)[3] = (value) >> 24;					\
+	(cp)[2] = (value) >> 16;					\
+	(cp)[1] = (value) >> 8;						\
+	(cp)[0] = (value); } while (0)
+
+static u8 PADDING[MD4_BLOCK_LENGTH] = {
+	0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+/*
+ * Start MD4 accumulation.
+ * Set bit count to 0 and buffer to mysterious initialization constants.
+ */
+static void MD4Init(MD4_CTX *ctx)
+{
+	ctx->count = 0;
+	ctx->state[0] = 0x67452301;
+	ctx->state[1] = 0xefcdab89;
+	ctx->state[2] = 0x98badcfe;
+	ctx->state[3] = 0x10325476;
+}
+
+/*
+ * Update context to reflect the concatenation of another buffer full
+ * of bytes.
+ */
+static void MD4Update(MD4_CTX *ctx, const unsigned char *input, size_t len)
+{
+	size_t have, need;
+
+	/* Check how many bytes we already have and how many more we need. */
+	have = (size_t)((ctx->count >> 3) & (MD4_BLOCK_LENGTH - 1));
+	need = MD4_BLOCK_LENGTH - have;
+
+	/* Update bitcount */
+	ctx->count += (u64)len << 3;
+
+	if (len >= need) {
+		if (have != 0) {
+			os_memcpy(ctx->buffer + have, input, need);
+			MD4Transform(ctx->state, ctx->buffer);
+			input += need;
+			len -= need;
+			have = 0;
+		}
+
+		/* Process data in MD4_BLOCK_LENGTH-byte chunks. */
+		while (len >= MD4_BLOCK_LENGTH) {
+			MD4Transform(ctx->state, input);
+			input += MD4_BLOCK_LENGTH;
+			len -= MD4_BLOCK_LENGTH;
+		}
+	}
+
+	/* Handle any remaining bytes of data. */
+	if (len != 0)
+		os_memcpy(ctx->buffer + have, input, len);
+}
+
+/*
+ * Pad pad to 64-byte boundary with the bit pattern
+ * 1 0* (64-bit count of bits processed, MSB-first)
+ */
+static void MD4Pad(MD4_CTX *ctx)
+{
+	u8 count[8];
+	size_t padlen;
+
+	/* Convert count to 8 bytes in little endian order. */
+	PUT_64BIT_LE(count, ctx->count);
+
+	/* Pad out to 56 mod 64. */
+	padlen = MD4_BLOCK_LENGTH -
+	    ((ctx->count >> 3) & (MD4_BLOCK_LENGTH - 1));
+	if (padlen < 1 + 8)
+		padlen += MD4_BLOCK_LENGTH;
+	MD4Update(ctx, PADDING, padlen - 8);		/* padlen - 8 <= 64 */
+	MD4Update(ctx, count, 8);
+}
+
+/*
+ * Final wrapup--call MD4Pad, fill in digest and zero out ctx.
+ */
+static void MD4Final(unsigned char digest[MD4_DIGEST_LENGTH], MD4_CTX *ctx)
+{
+	int i;
+
+	MD4Pad(ctx);
+	if (digest != NULL) {
+		for (i = 0; i < 4; i++)
+			PUT_32BIT_LE(digest + i * 4, ctx->state[i]);
+		os_memset(ctx, 0, sizeof(*ctx));
+	}
+}
+
+
+/* The three core functions - F1 is optimized somewhat */
+
+/* #define F1(x, y, z) (x & y | ~x & z) */
+#define F1(x, y, z) (z ^ (x & (y ^ z)))
+#define F2(x, y, z) ((x & y) | (x & z) | (y & z))
+#define F3(x, y, z) (x ^ y ^ z)
+
+/* This is the central step in the MD4 algorithm. */
+#define MD4STEP(f, w, x, y, z, data, s) \
+	( w += f(x, y, z) + data,  w = w<<s | w>>(32-s) )
+
+/*
+ * The core of the MD4 algorithm, this alters an existing MD4 hash to
+ * reflect the addition of 16 longwords of new data.  MD4Update blocks
+ * the data and converts bytes into longwords for this routine.
+ */
+static void
+MD4Transform(u32 state[4], const u8 block[MD4_BLOCK_LENGTH])
+{
+	u32 a, b, c, d, in[MD4_BLOCK_LENGTH / 4];
+
+#if BYTE_ORDER == LITTLE_ENDIAN
+	os_memcpy(in, block, sizeof(in));
+#else
+	for (a = 0; a < MD4_BLOCK_LENGTH / 4; a++) {
+		in[a] = (u32)(
+		    (u32)(block[a * 4 + 0]) |
+		    (u32)(block[a * 4 + 1]) <<  8 |
+		    (u32)(block[a * 4 + 2]) << 16 |
+		    (u32)(block[a * 4 + 3]) << 24);
+	}
+#endif
+
+	a = state[0];
+	b = state[1];
+	c = state[2];
+	d = state[3];
+
+	MD4STEP(F1, a, b, c, d, in[ 0],  3);
+	MD4STEP(F1, d, a, b, c, in[ 1],  7);
+	MD4STEP(F1, c, d, a, b, in[ 2], 11);
+	MD4STEP(F1, b, c, d, a, in[ 3], 19);
+	MD4STEP(F1, a, b, c, d, in[ 4],  3);
+	MD4STEP(F1, d, a, b, c, in[ 5],  7);
+	MD4STEP(F1, c, d, a, b, in[ 6], 11);
+	MD4STEP(F1, b, c, d, a, in[ 7], 19);
+	MD4STEP(F1, a, b, c, d, in[ 8],  3);
+	MD4STEP(F1, d, a, b, c, in[ 9],  7);
+	MD4STEP(F1, c, d, a, b, in[10], 11);
+	MD4STEP(F1, b, c, d, a, in[11], 19);
+	MD4STEP(F1, a, b, c, d, in[12],  3);
+	MD4STEP(F1, d, a, b, c, in[13],  7);
+	MD4STEP(F1, c, d, a, b, in[14], 11);
+	MD4STEP(F1, b, c, d, a, in[15], 19);
+
+	MD4STEP(F2, a, b, c, d, in[ 0] + 0x5a827999,  3);
+	MD4STEP(F2, d, a, b, c, in[ 4] + 0x5a827999,  5);
+	MD4STEP(F2, c, d, a, b, in[ 8] + 0x5a827999,  9);
+	MD4STEP(F2, b, c, d, a, in[12] + 0x5a827999, 13);
+	MD4STEP(F2, a, b, c, d, in[ 1] + 0x5a827999,  3);
+	MD4STEP(F2, d, a, b, c, in[ 5] + 0x5a827999,  5);
+	MD4STEP(F2, c, d, a, b, in[ 9] + 0x5a827999,  9);
+	MD4STEP(F2, b, c, d, a, in[13] + 0x5a827999, 13);
+	MD4STEP(F2, a, b, c, d, in[ 2] + 0x5a827999,  3);
+	MD4STEP(F2, d, a, b, c, in[ 6] + 0x5a827999,  5);
+	MD4STEP(F2, c, d, a, b, in[10] + 0x5a827999,  9);
+	MD4STEP(F2, b, c, d, a, in[14] + 0x5a827999, 13);
+	MD4STEP(F2, a, b, c, d, in[ 3] + 0x5a827999,  3);
+	MD4STEP(F2, d, a, b, c, in[ 7] + 0x5a827999,  5);
+	MD4STEP(F2, c, d, a, b, in[11] + 0x5a827999,  9);
+	MD4STEP(F2, b, c, d, a, in[15] + 0x5a827999, 13);
+
+	MD4STEP(F3, a, b, c, d, in[ 0] + 0x6ed9eba1,  3);
+	MD4STEP(F3, d, a, b, c, in[ 8] + 0x6ed9eba1,  9);
+	MD4STEP(F3, c, d, a, b, in[ 4] + 0x6ed9eba1, 11);
+	MD4STEP(F3, b, c, d, a, in[12] + 0x6ed9eba1, 15);
+	MD4STEP(F3, a, b, c, d, in[ 2] + 0x6ed9eba1,  3);
+	MD4STEP(F3, d, a, b, c, in[10] + 0x6ed9eba1,  9);
+	MD4STEP(F3, c, d, a, b, in[ 6] + 0x6ed9eba1, 11);
+	MD4STEP(F3, b, c, d, a, in[14] + 0x6ed9eba1, 15);
+	MD4STEP(F3, a, b, c, d, in[ 1] + 0x6ed9eba1,  3);
+	MD4STEP(F3, d, a, b, c, in[ 9] + 0x6ed9eba1,  9);
+	MD4STEP(F3, c, d, a, b, in[ 5] + 0x6ed9eba1, 11);
+	MD4STEP(F3, b, c, d, a, in[13] + 0x6ed9eba1, 15);
+	MD4STEP(F3, a, b, c, d, in[ 3] + 0x6ed9eba1,  3);
+	MD4STEP(F3, d, a, b, c, in[11] + 0x6ed9eba1,  9);
+	MD4STEP(F3, c, d, a, b, in[ 7] + 0x6ed9eba1, 11);
+	MD4STEP(F3, b, c, d, a, in[15] + 0x6ed9eba1, 15);
+
+	state[0] += a;
+	state[1] += b;
+	state[2] += c;
+	state[3] += d;
+}
+/* ===== end - public domain MD4 implementation ===== */
diff --git a/src/crypto/md5-internal.c b/src/crypto/md5-internal.c
new file mode 100644
index 0000000..f8692a9
--- /dev/null
+++ b/src/crypto/md5-internal.c
@@ -0,0 +1,293 @@
+/*
+ * MD5 hash implementation and interface functions
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "md5.h"
+#include "md5_i.h"
+#include "crypto.h"
+
+
+static void MD5Transform(u32 buf[4], u32 const in[16]);
+
+
+typedef struct MD5Context MD5_CTX;
+
+
+/**
+ * md5_vector - MD5 hash for data vector
+ * @num_elem: Number of elements in the data vector
+ * @addr: Pointers to the data areas
+ * @len: Lengths of the data blocks
+ * @mac: Buffer for the hash
+ * Returns: 0 on success, -1 of failure
+ */
+int md5_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	MD5_CTX ctx;
+	size_t i;
+
+	MD5Init(&ctx);
+	for (i = 0; i < num_elem; i++)
+		MD5Update(&ctx, addr[i], len[i]);
+	MD5Final(mac, &ctx);
+	return 0;
+}
+
+
+/* ===== start - public domain MD5 implementation ===== */
+/*
+ * This code implements the MD5 message-digest algorithm.
+ * The algorithm is due to Ron Rivest.  This code was
+ * written by Colin Plumb in 1993, no copyright is claimed.
+ * This code is in the public domain; do with it what you wish.
+ *
+ * Equivalent code is available from RSA Data Security, Inc.
+ * This code has been tested against that, and is equivalent,
+ * except that you don't need to include two pages of legalese
+ * with every copy.
+ *
+ * To compute the message digest of a chunk of bytes, declare an
+ * MD5Context structure, pass it to MD5Init, call MD5Update as
+ * needed on buffers full of bytes, and then call MD5Final, which
+ * will fill a supplied 16-byte array with the digest.
+ */
+
+#ifndef WORDS_BIGENDIAN
+#define byteReverse(buf, len)	/* Nothing */
+#else
+/*
+ * Note: this code is harmless on little-endian machines.
+ */
+static void byteReverse(unsigned char *buf, unsigned longs)
+{
+    u32 t;
+    do {
+	t = (u32) ((unsigned) buf[3] << 8 | buf[2]) << 16 |
+	    ((unsigned) buf[1] << 8 | buf[0]);
+	*(u32 *) buf = t;
+	buf += 4;
+    } while (--longs);
+}
+#endif
+
+/*
+ * Start MD5 accumulation.  Set bit count to 0 and buffer to mysterious
+ * initialization constants.
+ */
+void MD5Init(struct MD5Context *ctx)
+{
+    ctx->buf[0] = 0x67452301;
+    ctx->buf[1] = 0xefcdab89;
+    ctx->buf[2] = 0x98badcfe;
+    ctx->buf[3] = 0x10325476;
+
+    ctx->bits[0] = 0;
+    ctx->bits[1] = 0;
+}
+
+/*
+ * Update context to reflect the concatenation of another buffer full
+ * of bytes.
+ */
+void MD5Update(struct MD5Context *ctx, unsigned char const *buf, unsigned len)
+{
+    u32 t;
+
+    /* Update bitcount */
+
+    t = ctx->bits[0];
+    if ((ctx->bits[0] = t + ((u32) len << 3)) < t)
+	ctx->bits[1]++;		/* Carry from low to high */
+    ctx->bits[1] += len >> 29;
+
+    t = (t >> 3) & 0x3f;	/* Bytes already in shsInfo->data */
+
+    /* Handle any leading odd-sized chunks */
+
+    if (t) {
+	unsigned char *p = (unsigned char *) ctx->in + t;
+
+	t = 64 - t;
+	if (len < t) {
+	    os_memcpy(p, buf, len);
+	    return;
+	}
+	os_memcpy(p, buf, t);
+	byteReverse(ctx->in, 16);
+	MD5Transform(ctx->buf, (u32 *) ctx->in);
+	buf += t;
+	len -= t;
+    }
+    /* Process data in 64-byte chunks */
+
+    while (len >= 64) {
+	os_memcpy(ctx->in, buf, 64);
+	byteReverse(ctx->in, 16);
+	MD5Transform(ctx->buf, (u32 *) ctx->in);
+	buf += 64;
+	len -= 64;
+    }
+
+    /* Handle any remaining bytes of data. */
+
+    os_memcpy(ctx->in, buf, len);
+}
+
+/*
+ * Final wrapup - pad to 64-byte boundary with the bit pattern
+ * 1 0* (64-bit count of bits processed, MSB-first)
+ */
+void MD5Final(unsigned char digest[16], struct MD5Context *ctx)
+{
+    unsigned count;
+    unsigned char *p;
+
+    /* Compute number of bytes mod 64 */
+    count = (ctx->bits[0] >> 3) & 0x3F;
+
+    /* Set the first char of padding to 0x80.  This is safe since there is
+       always at least one byte free */
+    p = ctx->in + count;
+    *p++ = 0x80;
+
+    /* Bytes of padding needed to make 64 bytes */
+    count = 64 - 1 - count;
+
+    /* Pad out to 56 mod 64 */
+    if (count < 8) {
+	/* Two lots of padding:  Pad the first block to 64 bytes */
+	os_memset(p, 0, count);
+	byteReverse(ctx->in, 16);
+	MD5Transform(ctx->buf, (u32 *) ctx->in);
+
+	/* Now fill the next block with 56 bytes */
+	os_memset(ctx->in, 0, 56);
+    } else {
+	/* Pad block to 56 bytes */
+	os_memset(p, 0, count - 8);
+    }
+    byteReverse(ctx->in, 14);
+
+    /* Append length in bits and transform */
+    ((u32 *) ctx->in)[14] = ctx->bits[0];
+    ((u32 *) ctx->in)[15] = ctx->bits[1];
+
+    MD5Transform(ctx->buf, (u32 *) ctx->in);
+    byteReverse((unsigned char *) ctx->buf, 4);
+    os_memcpy(digest, ctx->buf, 16);
+    os_memset(ctx, 0, sizeof(ctx));	/* In case it's sensitive */
+}
+
+/* The four core functions - F1 is optimized somewhat */
+
+/* #define F1(x, y, z) (x & y | ~x & z) */
+#define F1(x, y, z) (z ^ (x & (y ^ z)))
+#define F2(x, y, z) F1(z, x, y)
+#define F3(x, y, z) (x ^ y ^ z)
+#define F4(x, y, z) (y ^ (x | ~z))
+
+/* This is the central step in the MD5 algorithm. */
+#define MD5STEP(f, w, x, y, z, data, s) \
+	( w += f(x, y, z) + data,  w = w<<s | w>>(32-s),  w += x )
+
+/*
+ * The core of the MD5 algorithm, this alters an existing MD5 hash to
+ * reflect the addition of 16 longwords of new data.  MD5Update blocks
+ * the data and converts bytes into longwords for this routine.
+ */
+static void MD5Transform(u32 buf[4], u32 const in[16])
+{
+    register u32 a, b, c, d;
+
+    a = buf[0];
+    b = buf[1];
+    c = buf[2];
+    d = buf[3];
+
+    MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
+    MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
+    MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
+    MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
+    MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
+    MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
+    MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
+    MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
+    MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
+    MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
+    MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
+    MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
+    MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
+    MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
+    MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
+    MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
+
+    MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
+    MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
+    MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
+    MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
+    MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
+    MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
+    MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
+    MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
+    MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
+    MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
+    MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
+    MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
+    MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
+    MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
+    MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
+    MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
+
+    MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
+    MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
+    MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
+    MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
+    MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
+    MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
+    MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
+    MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
+    MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
+    MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
+    MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
+    MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
+    MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
+    MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
+    MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
+    MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
+
+    MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
+    MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
+    MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
+    MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
+    MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
+    MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
+    MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
+    MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
+    MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
+    MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
+    MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
+    MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
+    MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
+    MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
+    MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
+    MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
+
+    buf[0] += a;
+    buf[1] += b;
+    buf[2] += c;
+    buf[3] += d;
+}
+/* ===== end - public domain MD5 implementation ===== */
diff --git a/src/crypto/md5-non-fips.c b/src/crypto/md5-non-fips.c
new file mode 100644
index 0000000..6f29201
--- /dev/null
+++ b/src/crypto/md5-non-fips.c
@@ -0,0 +1,113 @@
+/*
+ * MD5 hash implementation and interface functions (non-FIPS allowed cases)
+ * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "md5.h"
+#include "crypto.h"
+
+
+/**
+ * hmac_md5_vector_non_fips_allow - HMAC-MD5 over data vector (RFC 2104)
+ * @key: Key for HMAC operations
+ * @key_len: Length of the key in bytes
+ * @num_elem: Number of elements in the data vector
+ * @addr: Pointers to the data areas
+ * @len: Lengths of the data blocks
+ * @mac: Buffer for the hash (16 bytes)
+ * Returns: 0 on success, -1 on failure
+ */
+int hmac_md5_vector_non_fips_allow(const u8 *key, size_t key_len,
+				   size_t num_elem, const u8 *addr[],
+				   const size_t *len, u8 *mac)
+{
+	u8 k_pad[64]; /* padding - key XORd with ipad/opad */
+	u8 tk[16];
+	const u8 *_addr[6];
+	size_t i, _len[6];
+
+	if (num_elem > 5) {
+		/*
+		 * Fixed limit on the number of fragments to avoid having to
+		 * allocate memory (which could fail).
+		 */
+		return -1;
+	}
+
+        /* if key is longer than 64 bytes reset it to key = MD5(key) */
+        if (key_len > 64) {
+		if (md5_vector_non_fips_allow(1, &key, &key_len, tk))
+			return -1;
+		key = tk;
+		key_len = 16;
+        }
+
+	/* the HMAC_MD5 transform looks like:
+	 *
+	 * MD5(K XOR opad, MD5(K XOR ipad, text))
+	 *
+	 * where K is an n byte key
+	 * ipad is the byte 0x36 repeated 64 times
+	 * opad is the byte 0x5c repeated 64 times
+	 * and text is the data being protected */
+
+	/* start out by storing key in ipad */
+	os_memset(k_pad, 0, sizeof(k_pad));
+	os_memcpy(k_pad, key, key_len);
+
+	/* XOR key with ipad values */
+	for (i = 0; i < 64; i++)
+		k_pad[i] ^= 0x36;
+
+	/* perform inner MD5 */
+	_addr[0] = k_pad;
+	_len[0] = 64;
+	for (i = 0; i < num_elem; i++) {
+		_addr[i + 1] = addr[i];
+		_len[i + 1] = len[i];
+	}
+	if (md5_vector_non_fips_allow(1 + num_elem, _addr, _len, mac))
+		return -1;
+
+	os_memset(k_pad, 0, sizeof(k_pad));
+	os_memcpy(k_pad, key, key_len);
+	/* XOR key with opad values */
+	for (i = 0; i < 64; i++)
+		k_pad[i] ^= 0x5c;
+
+	/* perform outer MD5 */
+	_addr[0] = k_pad;
+	_len[0] = 64;
+	_addr[1] = mac;
+	_len[1] = MD5_MAC_LEN;
+	return md5_vector_non_fips_allow(2, _addr, _len, mac);
+}
+
+
+/**
+ * hmac_md5_non_fips_allow - HMAC-MD5 over data buffer (RFC 2104)
+ * @key: Key for HMAC operations
+ * @key_len: Length of the key in bytes
+ * @data: Pointers to the data area
+ * @data_len: Length of the data area
+ * @mac: Buffer for the hash (16 bytes)
+ * Returns: 0 on success, -1 on failure
+ */
+int hmac_md5_non_fips_allow(const u8 *key, size_t key_len, const u8 *data,
+			    size_t data_len, u8 *mac)
+{
+	return hmac_md5_vector_non_fips_allow(key, key_len, 1, &data,
+					      &data_len, mac);
+}
diff --git a/src/crypto/md5.c b/src/crypto/md5.c
new file mode 100644
index 0000000..7f14e9b
--- /dev/null
+++ b/src/crypto/md5.c
@@ -0,0 +1,111 @@
+/*
+ * MD5 hash implementation and interface functions
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "md5.h"
+#include "crypto.h"
+
+
+/**
+ * hmac_md5_vector - HMAC-MD5 over data vector (RFC 2104)
+ * @key: Key for HMAC operations
+ * @key_len: Length of the key in bytes
+ * @num_elem: Number of elements in the data vector
+ * @addr: Pointers to the data areas
+ * @len: Lengths of the data blocks
+ * @mac: Buffer for the hash (16 bytes)
+ * Returns: 0 on success, -1 on failure
+ */
+int hmac_md5_vector(const u8 *key, size_t key_len, size_t num_elem,
+		    const u8 *addr[], const size_t *len, u8 *mac)
+{
+	u8 k_pad[64]; /* padding - key XORd with ipad/opad */
+	u8 tk[16];
+	const u8 *_addr[6];
+	size_t i, _len[6];
+
+	if (num_elem > 5) {
+		/*
+		 * Fixed limit on the number of fragments to avoid having to
+		 * allocate memory (which could fail).
+		 */
+		return -1;
+	}
+
+        /* if key is longer than 64 bytes reset it to key = MD5(key) */
+        if (key_len > 64) {
+		if (md5_vector(1, &key, &key_len, tk))
+			return -1;
+		key = tk;
+		key_len = 16;
+        }
+
+	/* the HMAC_MD5 transform looks like:
+	 *
+	 * MD5(K XOR opad, MD5(K XOR ipad, text))
+	 *
+	 * where K is an n byte key
+	 * ipad is the byte 0x36 repeated 64 times
+	 * opad is the byte 0x5c repeated 64 times
+	 * and text is the data being protected */
+
+	/* start out by storing key in ipad */
+	os_memset(k_pad, 0, sizeof(k_pad));
+	os_memcpy(k_pad, key, key_len);
+
+	/* XOR key with ipad values */
+	for (i = 0; i < 64; i++)
+		k_pad[i] ^= 0x36;
+
+	/* perform inner MD5 */
+	_addr[0] = k_pad;
+	_len[0] = 64;
+	for (i = 0; i < num_elem; i++) {
+		_addr[i + 1] = addr[i];
+		_len[i + 1] = len[i];
+	}
+	if (md5_vector(1 + num_elem, _addr, _len, mac))
+		return -1;
+
+	os_memset(k_pad, 0, sizeof(k_pad));
+	os_memcpy(k_pad, key, key_len);
+	/* XOR key with opad values */
+	for (i = 0; i < 64; i++)
+		k_pad[i] ^= 0x5c;
+
+	/* perform outer MD5 */
+	_addr[0] = k_pad;
+	_len[0] = 64;
+	_addr[1] = mac;
+	_len[1] = MD5_MAC_LEN;
+	return md5_vector(2, _addr, _len, mac);
+}
+
+
+/**
+ * hmac_md5 - HMAC-MD5 over data buffer (RFC 2104)
+ * @key: Key for HMAC operations
+ * @key_len: Length of the key in bytes
+ * @data: Pointers to the data area
+ * @data_len: Length of the data area
+ * @mac: Buffer for the hash (16 bytes)
+ * Returns: 0 on success, -1 on failure
+ */
+int hmac_md5(const u8 *key, size_t key_len, const u8 *data, size_t data_len,
+	      u8 *mac)
+{
+	return hmac_md5_vector(key, key_len, 1, &data, &data_len, mac);
+}
diff --git a/src/crypto/md5.h b/src/crypto/md5.h
new file mode 100644
index 0000000..8952590
--- /dev/null
+++ b/src/crypto/md5.h
@@ -0,0 +1,35 @@
+/*
+ * MD5 hash implementation and interface functions
+ * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef MD5_H
+#define MD5_H
+
+#define MD5_MAC_LEN 16
+
+int hmac_md5_vector(const u8 *key, size_t key_len, size_t num_elem,
+		    const u8 *addr[], const size_t *len, u8 *mac);
+int hmac_md5(const u8 *key, size_t key_len, const u8 *data, size_t data_len,
+	     u8 *mac);
+#ifdef CONFIG_FIPS
+int hmac_md5_vector_non_fips_allow(const u8 *key, size_t key_len,
+				   size_t num_elem, const u8 *addr[],
+				   const size_t *len, u8 *mac);
+int hmac_md5_non_fips_allow(const u8 *key, size_t key_len, const u8 *data,
+			    size_t data_len, u8 *mac);
+#else /* CONFIG_FIPS */
+#define hmac_md5_vector_non_fips_allow hmac_md5_vector
+#define hmac_md5_non_fips_allow hmac_md5
+#endif /* CONFIG_FIPS */
+
+#endif /* MD5_H */
diff --git a/src/crypto/md5_i.h b/src/crypto/md5_i.h
new file mode 100644
index 0000000..b7f6596
--- /dev/null
+++ b/src/crypto/md5_i.h
@@ -0,0 +1,29 @@
+/*
+ * MD5 internal definitions
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef MD5_I_H
+#define MD5_I_H
+
+struct MD5Context {
+	u32 buf[4];
+	u32 bits[2];
+	u8 in[64];
+};
+
+void MD5Init(struct MD5Context *context);
+void MD5Update(struct MD5Context *context, unsigned char const *buf,
+	       unsigned len);
+void MD5Final(unsigned char digest[16], struct MD5Context *context);
+
+#endif /* MD5_I_H */
diff --git a/src/crypto/milenage.c b/src/crypto/milenage.c
new file mode 100644
index 0000000..cf0c60e
--- /dev/null
+++ b/src/crypto/milenage.c
@@ -0,0 +1,329 @@
+/*
+ * 3GPP AKA - Milenage algorithm (3GPP TS 35.205, .206, .207, .208)
+ * Copyright (c) 2006-2007 <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This file implements an example authentication algorithm defined for 3GPP
+ * AKA. This can be used to implement a simple HLR/AuC into hlr_auc_gw to allow
+ * EAP-AKA to be tested properly with real USIM cards.
+ *
+ * This implementations assumes that the r1..r5 and c1..c5 constants defined in
+ * TS 35.206 are used, i.e., r1=64, r2=0, r3=32, r4=64, r5=96, c1=00..00,
+ * c2=00..01, c3=00..02, c4=00..04, c5=00..08. The block cipher is assumed to
+ * be AES (Rijndael).
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/aes_wrap.h"
+#include "milenage.h"
+
+
+/**
+ * milenage_f1 - Milenage f1 and f1* algorithms
+ * @opc: OPc = 128-bit value derived from OP and K
+ * @k: K = 128-bit subscriber key
+ * @_rand: RAND = 128-bit random challenge
+ * @sqn: SQN = 48-bit sequence number
+ * @amf: AMF = 16-bit authentication management field
+ * @mac_a: Buffer for MAC-A = 64-bit network authentication code, or %NULL
+ * @mac_s: Buffer for MAC-S = 64-bit resync authentication code, or %NULL
+ * Returns: 0 on success, -1 on failure
+ */
+int milenage_f1(const u8 *opc, const u8 *k, const u8 *_rand,
+		const u8 *sqn, const u8 *amf, u8 *mac_a, u8 *mac_s)
+{
+	u8 tmp1[16], tmp2[16], tmp3[16];
+	int i;
+
+	/* tmp1 = TEMP = E_K(RAND XOR OP_C) */
+	for (i = 0; i < 16; i++)
+		tmp1[i] = _rand[i] ^ opc[i];
+	if (aes_128_encrypt_block(k, tmp1, tmp1))
+		return -1;
+
+	/* tmp2 = IN1 = SQN || AMF || SQN || AMF */
+	os_memcpy(tmp2, sqn, 6);
+	os_memcpy(tmp2 + 6, amf, 2);
+	os_memcpy(tmp2 + 8, tmp2, 8);
+
+	/* OUT1 = E_K(TEMP XOR rot(IN1 XOR OP_C, r1) XOR c1) XOR OP_C */
+
+	/* rotate (tmp2 XOR OP_C) by r1 (= 0x40 = 8 bytes) */
+	for (i = 0; i < 16; i++)
+		tmp3[(i + 8) % 16] = tmp2[i] ^ opc[i];
+	/* XOR with TEMP = E_K(RAND XOR OP_C) */
+	for (i = 0; i < 16; i++)
+		tmp3[i] ^= tmp1[i];
+	/* XOR with c1 (= ..00, i.e., NOP) */
+
+	/* f1 || f1* = E_K(tmp3) XOR OP_c */
+	if (aes_128_encrypt_block(k, tmp3, tmp1))
+		return -1;
+	for (i = 0; i < 16; i++)
+		tmp1[i] ^= opc[i];
+	if (mac_a)
+		os_memcpy(mac_a, tmp1, 8); /* f1 */
+	if (mac_s)
+		os_memcpy(mac_s, tmp1 + 8, 8); /* f1* */
+	return 0;
+}
+
+
+/**
+ * milenage_f2345 - Milenage f2, f3, f4, f5, f5* algorithms
+ * @opc: OPc = 128-bit value derived from OP and K
+ * @k: K = 128-bit subscriber key
+ * @_rand: RAND = 128-bit random challenge
+ * @res: Buffer for RES = 64-bit signed response (f2), or %NULL
+ * @ck: Buffer for CK = 128-bit confidentiality key (f3), or %NULL
+ * @ik: Buffer for IK = 128-bit integrity key (f4), or %NULL
+ * @ak: Buffer for AK = 48-bit anonymity key (f5), or %NULL
+ * @akstar: Buffer for AK = 48-bit anonymity key (f5*), or %NULL
+ * Returns: 0 on success, -1 on failure
+ */
+int milenage_f2345(const u8 *opc, const u8 *k, const u8 *_rand,
+		   u8 *res, u8 *ck, u8 *ik, u8 *ak, u8 *akstar)
+{
+	u8 tmp1[16], tmp2[16], tmp3[16];
+	int i;
+
+	/* tmp2 = TEMP = E_K(RAND XOR OP_C) */
+	for (i = 0; i < 16; i++)
+		tmp1[i] = _rand[i] ^ opc[i];
+	if (aes_128_encrypt_block(k, tmp1, tmp2))
+		return -1;
+
+	/* OUT2 = E_K(rot(TEMP XOR OP_C, r2) XOR c2) XOR OP_C */
+	/* OUT3 = E_K(rot(TEMP XOR OP_C, r3) XOR c3) XOR OP_C */
+	/* OUT4 = E_K(rot(TEMP XOR OP_C, r4) XOR c4) XOR OP_C */
+	/* OUT5 = E_K(rot(TEMP XOR OP_C, r5) XOR c5) XOR OP_C */
+
+	/* f2 and f5 */
+	/* rotate by r2 (= 0, i.e., NOP) */
+	for (i = 0; i < 16; i++)
+		tmp1[i] = tmp2[i] ^ opc[i];
+	tmp1[15] ^= 1; /* XOR c2 (= ..01) */
+	/* f5 || f2 = E_K(tmp1) XOR OP_c */
+	if (aes_128_encrypt_block(k, tmp1, tmp3))
+		return -1;
+	for (i = 0; i < 16; i++)
+		tmp3[i] ^= opc[i];
+	if (res)
+		os_memcpy(res, tmp3 + 8, 8); /* f2 */
+	if (ak)
+		os_memcpy(ak, tmp3, 6); /* f5 */
+
+	/* f3 */
+	if (ck) {
+		/* rotate by r3 = 0x20 = 4 bytes */
+		for (i = 0; i < 16; i++)
+			tmp1[(i + 12) % 16] = tmp2[i] ^ opc[i];
+		tmp1[15] ^= 2; /* XOR c3 (= ..02) */
+		if (aes_128_encrypt_block(k, tmp1, ck))
+			return -1;
+		for (i = 0; i < 16; i++)
+			ck[i] ^= opc[i];
+	}
+
+	/* f4 */
+	if (ik) {
+		/* rotate by r4 = 0x40 = 8 bytes */
+		for (i = 0; i < 16; i++)
+			tmp1[(i + 8) % 16] = tmp2[i] ^ opc[i];
+		tmp1[15] ^= 4; /* XOR c4 (= ..04) */
+		if (aes_128_encrypt_block(k, tmp1, ik))
+			return -1;
+		for (i = 0; i < 16; i++)
+			ik[i] ^= opc[i];
+	}
+
+	/* f5* */
+	if (akstar) {
+		/* rotate by r5 = 0x60 = 12 bytes */
+		for (i = 0; i < 16; i++)
+			tmp1[(i + 4) % 16] = tmp2[i] ^ opc[i];
+		tmp1[15] ^= 8; /* XOR c5 (= ..08) */
+		if (aes_128_encrypt_block(k, tmp1, tmp1))
+			return -1;
+		for (i = 0; i < 6; i++)
+			akstar[i] = tmp1[i] ^ opc[i];
+	}
+
+	return 0;
+}
+
+
+/**
+ * milenage_generate - Generate AKA AUTN,IK,CK,RES
+ * @opc: OPc = 128-bit operator variant algorithm configuration field (encr.)
+ * @amf: AMF = 16-bit authentication management field
+ * @k: K = 128-bit subscriber key
+ * @sqn: SQN = 48-bit sequence number
+ * @_rand: RAND = 128-bit random challenge
+ * @autn: Buffer for AUTN = 128-bit authentication token
+ * @ik: Buffer for IK = 128-bit integrity key (f4), or %NULL
+ * @ck: Buffer for CK = 128-bit confidentiality key (f3), or %NULL
+ * @res: Buffer for RES = 64-bit signed response (f2), or %NULL
+ * @res_len: Max length for res; set to used length or 0 on failure
+ */
+void milenage_generate(const u8 *opc, const u8 *amf, const u8 *k,
+		       const u8 *sqn, const u8 *_rand, u8 *autn, u8 *ik,
+		       u8 *ck, u8 *res, size_t *res_len)
+{
+	int i;
+	u8 mac_a[8], ak[6];
+
+	if (*res_len < 8) {
+		*res_len = 0;
+		return;
+	}
+	if (milenage_f1(opc, k, _rand, sqn, amf, mac_a, NULL) ||
+	    milenage_f2345(opc, k, _rand, res, ck, ik, ak, NULL)) {
+		*res_len = 0;
+		return;
+	}
+	*res_len = 8;
+
+	/* AUTN = (SQN ^ AK) || AMF || MAC */
+	for (i = 0; i < 6; i++)
+		autn[i] = sqn[i] ^ ak[i];
+	os_memcpy(autn + 6, amf, 2);
+	os_memcpy(autn + 8, mac_a, 8);
+}
+
+
+/**
+ * milenage_auts - Milenage AUTS validation
+ * @opc: OPc = 128-bit operator variant algorithm configuration field (encr.)
+ * @k: K = 128-bit subscriber key
+ * @_rand: RAND = 128-bit random challenge
+ * @auts: AUTS = 112-bit authentication token from client
+ * @sqn: Buffer for SQN = 48-bit sequence number
+ * Returns: 0 = success (sqn filled), -1 on failure
+ */
+int milenage_auts(const u8 *opc, const u8 *k, const u8 *_rand, const u8 *auts,
+		  u8 *sqn)
+{
+	u8 amf[2] = { 0x00, 0x00 }; /* TS 33.102 v7.0.0, 6.3.3 */
+	u8 ak[6], mac_s[8];
+	int i;
+
+	if (milenage_f2345(opc, k, _rand, NULL, NULL, NULL, NULL, ak))
+		return -1;
+	for (i = 0; i < 6; i++)
+		sqn[i] = auts[i] ^ ak[i];
+	if (milenage_f1(opc, k, _rand, sqn, amf, NULL, mac_s) ||
+	    memcmp(mac_s, auts + 6, 8) != 0)
+		return -1;
+	return 0;
+}
+
+
+/**
+ * gsm_milenage - Generate GSM-Milenage (3GPP TS 55.205) authentication triplet
+ * @opc: OPc = 128-bit operator variant algorithm configuration field (encr.)
+ * @k: K = 128-bit subscriber key
+ * @_rand: RAND = 128-bit random challenge
+ * @sres: Buffer for SRES = 32-bit SRES
+ * @kc: Buffer for Kc = 64-bit Kc
+ * Returns: 0 on success, -1 on failure
+ */
+int gsm_milenage(const u8 *opc, const u8 *k, const u8 *_rand, u8 *sres, u8 *kc)
+{
+	u8 res[8], ck[16], ik[16];
+	int i;
+
+	if (milenage_f2345(opc, k, _rand, res, ck, ik, NULL, NULL))
+		return -1;
+
+	for (i = 0; i < 8; i++)
+		kc[i] = ck[i] ^ ck[i + 8] ^ ik[i] ^ ik[i + 8];
+
+#ifdef GSM_MILENAGE_ALT_SRES
+	os_memcpy(sres, res, 4);
+#else /* GSM_MILENAGE_ALT_SRES */
+	for (i = 0; i < 4; i++)
+		sres[i] = res[i] ^ res[i + 4];
+#endif /* GSM_MILENAGE_ALT_SRES */
+	return 0;
+}
+
+
+/**
+ * milenage_generate - Generate AKA AUTN,IK,CK,RES
+ * @opc: OPc = 128-bit operator variant algorithm configuration field (encr.)
+ * @k: K = 128-bit subscriber key
+ * @sqn: SQN = 48-bit sequence number
+ * @_rand: RAND = 128-bit random challenge
+ * @autn: AUTN = 128-bit authentication token
+ * @ik: Buffer for IK = 128-bit integrity key (f4), or %NULL
+ * @ck: Buffer for CK = 128-bit confidentiality key (f3), or %NULL
+ * @res: Buffer for RES = 64-bit signed response (f2), or %NULL
+ * @res_len: Variable that will be set to RES length
+ * @auts: 112-bit buffer for AUTS
+ * Returns: 0 on success, -1 on failure, or -2 on synchronization failure
+ */
+int milenage_check(const u8 *opc, const u8 *k, const u8 *sqn, const u8 *_rand,
+		   const u8 *autn, u8 *ik, u8 *ck, u8 *res, size_t *res_len,
+		   u8 *auts)
+{
+	int i;
+	u8 mac_a[8], ak[6], rx_sqn[6];
+	const u8 *amf;
+
+	wpa_hexdump(MSG_DEBUG, "Milenage: AUTN", autn, 16);
+	wpa_hexdump(MSG_DEBUG, "Milenage: RAND", _rand, 16);
+
+	if (milenage_f2345(opc, k, _rand, res, ck, ik, ak, NULL))
+		return -1;
+
+	*res_len = 8;
+	wpa_hexdump_key(MSG_DEBUG, "Milenage: RES", res, *res_len);
+	wpa_hexdump_key(MSG_DEBUG, "Milenage: CK", ck, 16);
+	wpa_hexdump_key(MSG_DEBUG, "Milenage: IK", ik, 16);
+	wpa_hexdump_key(MSG_DEBUG, "Milenage: AK", ak, 6);
+
+	/* AUTN = (SQN ^ AK) || AMF || MAC */
+	for (i = 0; i < 6; i++)
+		rx_sqn[i] = autn[i] ^ ak[i];
+	wpa_hexdump(MSG_DEBUG, "Milenage: SQN", rx_sqn, 6);
+
+	if (os_memcmp(rx_sqn, sqn, 6) <= 0) {
+		u8 auts_amf[2] = { 0x00, 0x00 }; /* TS 33.102 v7.0.0, 6.3.3 */
+		if (milenage_f2345(opc, k, _rand, NULL, NULL, NULL, NULL, ak))
+			return -1;
+		wpa_hexdump_key(MSG_DEBUG, "Milenage: AK*", ak, 6);
+		for (i = 0; i < 6; i++)
+			auts[i] = sqn[i] ^ ak[i];
+		if (milenage_f1(opc, k, _rand, sqn, auts_amf, NULL, auts + 6))
+			return -1;
+		wpa_hexdump(MSG_DEBUG, "Milenage: AUTS", auts, 14);
+		return -2;
+	}
+
+	amf = autn + 6;
+	wpa_hexdump(MSG_DEBUG, "Milenage: AMF", amf, 2);
+	if (milenage_f1(opc, k, _rand, rx_sqn, amf, mac_a, NULL))
+		return -1;
+
+	wpa_hexdump(MSG_DEBUG, "Milenage: MAC_A", mac_a, 8);
+
+	if (os_memcmp(mac_a, autn + 8, 8) != 0) {
+		wpa_printf(MSG_DEBUG, "Milenage: MAC mismatch");
+		wpa_hexdump(MSG_DEBUG, "Milenage: Received MAC_A",
+			    autn + 8, 8);
+		return -1;
+	}
+
+	return 0;
+}
diff --git a/src/crypto/milenage.h b/src/crypto/milenage.h
new file mode 100644
index 0000000..d5054d6
--- /dev/null
+++ b/src/crypto/milenage.h
@@ -0,0 +1,33 @@
+/*
+ * UMTS AKA - Milenage algorithm (3GPP TS 35.205, .206, .207, .208)
+ * Copyright (c) 2006-2007 <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef MILENAGE_H
+#define MILENAGE_H
+
+void milenage_generate(const u8 *opc, const u8 *amf, const u8 *k,
+		       const u8 *sqn, const u8 *_rand, u8 *autn, u8 *ik,
+		       u8 *ck, u8 *res, size_t *res_len);
+int milenage_auts(const u8 *opc, const u8 *k, const u8 *_rand, const u8 *auts,
+		  u8 *sqn);
+int gsm_milenage(const u8 *opc, const u8 *k, const u8 *_rand, u8 *sres,
+		 u8 *kc);
+int milenage_check(const u8 *opc, const u8 *k, const u8 *sqn, const u8 *_rand,
+		   const u8 *autn, u8 *ik, u8 *ck, u8 *res, size_t *res_len,
+		   u8 *auts);
+int milenage_f1(const u8 *opc, const u8 *k, const u8 *_rand,
+		const u8 *sqn, const u8 *amf, u8 *mac_a, u8 *mac_s);
+int milenage_f2345(const u8 *opc, const u8 *k, const u8 *_rand,
+		   u8 *res, u8 *ck, u8 *ik, u8 *ak, u8 *akstar);
+
+#endif /* MILENAGE_H */
diff --git a/src/crypto/ms_funcs.c b/src/crypto/ms_funcs.c
new file mode 100644
index 0000000..dae15ab
--- /dev/null
+++ b/src/crypto/ms_funcs.c
@@ -0,0 +1,476 @@
+/*
+ * WPA Supplicant / shared MSCHAPV2 helper functions / RFC 2433 / RFC 2759
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "sha1.h"
+#include "ms_funcs.h"
+#include "crypto.h"
+
+
+/**
+ * challenge_hash - ChallengeHash() - RFC 2759, Sect. 8.2
+ * @peer_challenge: 16-octet PeerChallenge (IN)
+ * @auth_challenge: 16-octet AuthenticatorChallenge (IN)
+ * @username: 0-to-256-char UserName (IN)
+ * @username_len: Length of username
+ * @challenge: 8-octet Challenge (OUT)
+ * Returns: 0 on success, -1 on failure
+ */
+static int challenge_hash(const u8 *peer_challenge, const u8 *auth_challenge,
+			  const u8 *username, size_t username_len,
+			  u8 *challenge)
+{
+	u8 hash[SHA1_MAC_LEN];
+	const unsigned char *addr[3];
+	size_t len[3];
+
+	addr[0] = peer_challenge;
+	len[0] = 16;
+	addr[1] = auth_challenge;
+	len[1] = 16;
+	addr[2] = username;
+	len[2] = username_len;
+
+	if (sha1_vector(3, addr, len, hash))
+		return -1;
+	os_memcpy(challenge, hash, 8);
+	return 0;
+}
+
+
+/**
+ * nt_password_hash - NtPasswordHash() - RFC 2759, Sect. 8.3
+ * @password: 0-to-256-unicode-char Password (IN; ASCII)
+ * @password_len: Length of password
+ * @password_hash: 16-octet PasswordHash (OUT)
+ * Returns: 0 on success, -1 on failure
+ */
+int nt_password_hash(const u8 *password, size_t password_len,
+		      u8 *password_hash)
+{
+	u8 buf[512], *pos;
+	size_t i, len;
+
+	if (password_len > 256)
+		password_len = 256;
+
+	/* Convert password into unicode */
+	for (i = 0; i < password_len; i++) {
+		buf[2 * i] = password[i];
+		buf[2 * i + 1] = 0;
+	}
+
+	len = password_len * 2;
+	pos = buf;
+	return md4_vector(1, (const u8 **) &pos, &len, password_hash);
+}
+
+
+/**
+ * hash_nt_password_hash - HashNtPasswordHash() - RFC 2759, Sect. 8.4
+ * @password_hash: 16-octet PasswordHash (IN)
+ * @password_hash_hash: 16-octet PasswordHashHash (OUT)
+ * Returns: 0 on success, -1 on failure
+ */
+int hash_nt_password_hash(const u8 *password_hash, u8 *password_hash_hash)
+{
+	size_t len = 16;
+	return md4_vector(1, &password_hash, &len, password_hash_hash);
+}
+
+
+/**
+ * challenge_response - ChallengeResponse() - RFC 2759, Sect. 8.5
+ * @challenge: 8-octet Challenge (IN)
+ * @password_hash: 16-octet PasswordHash (IN)
+ * @response: 24-octet Response (OUT)
+ */
+void challenge_response(const u8 *challenge, const u8 *password_hash,
+			u8 *response)
+{
+	u8 zpwd[7];
+	des_encrypt(challenge, password_hash, response);
+	des_encrypt(challenge, password_hash + 7, response + 8);
+	zpwd[0] = password_hash[14];
+	zpwd[1] = password_hash[15];
+	os_memset(zpwd + 2, 0, 5);
+	des_encrypt(challenge, zpwd, response + 16);
+}
+
+
+/**
+ * generate_nt_response - GenerateNTResponse() - RFC 2759, Sect. 8.1
+ * @auth_challenge: 16-octet AuthenticatorChallenge (IN)
+ * @peer_challenge: 16-octet PeerChallenge (IN)
+ * @username: 0-to-256-char UserName (IN)
+ * @username_len: Length of username
+ * @password: 0-to-256-unicode-char Password (IN; ASCII)
+ * @password_len: Length of password
+ * @response: 24-octet Response (OUT)
+ * Returns: 0 on success, -1 on failure
+ */
+int generate_nt_response(const u8 *auth_challenge, const u8 *peer_challenge,
+			 const u8 *username, size_t username_len,
+			 const u8 *password, size_t password_len,
+			 u8 *response)
+{
+	u8 challenge[8];
+	u8 password_hash[16];
+
+	challenge_hash(peer_challenge, auth_challenge, username, username_len,
+		       challenge);
+	if (nt_password_hash(password, password_len, password_hash))
+		return -1;
+	challenge_response(challenge, password_hash, response);
+	return 0;
+}
+
+
+/**
+ * generate_nt_response_pwhash - GenerateNTResponse() - RFC 2759, Sect. 8.1
+ * @auth_challenge: 16-octet AuthenticatorChallenge (IN)
+ * @peer_challenge: 16-octet PeerChallenge (IN)
+ * @username: 0-to-256-char UserName (IN)
+ * @username_len: Length of username
+ * @password_hash: 16-octet PasswordHash (IN)
+ * @response: 24-octet Response (OUT)
+ * Returns: 0 on success, -1 on failure
+ */
+int generate_nt_response_pwhash(const u8 *auth_challenge,
+				const u8 *peer_challenge,
+				const u8 *username, size_t username_len,
+				const u8 *password_hash,
+				u8 *response)
+{
+	u8 challenge[8];
+
+	if (challenge_hash(peer_challenge, auth_challenge,
+			   username, username_len,
+			   challenge))
+		return -1;
+	challenge_response(challenge, password_hash, response);
+	return 0;
+}
+
+
+/**
+ * generate_authenticator_response_pwhash - GenerateAuthenticatorResponse() - RFC 2759, Sect. 8.7
+ * @password_hash: 16-octet PasswordHash (IN)
+ * @nt_response: 24-octet NT-Response (IN)
+ * @peer_challenge: 16-octet PeerChallenge (IN)
+ * @auth_challenge: 16-octet AuthenticatorChallenge (IN)
+ * @username: 0-to-256-char UserName (IN)
+ * @username_len: Length of username
+ * @response: 20-octet AuthenticatorResponse (OUT) (note: this value is usually
+ * encoded as a 42-octet ASCII string (S=hexdump_of_response)
+ * Returns: 0 on success, -1 on failure
+ */
+int generate_authenticator_response_pwhash(
+	const u8 *password_hash,
+	const u8 *peer_challenge, const u8 *auth_challenge,
+	const u8 *username, size_t username_len,
+	const u8 *nt_response, u8 *response)
+{
+	static const u8 magic1[39] = {
+		0x4D, 0x61, 0x67, 0x69, 0x63, 0x20, 0x73, 0x65, 0x72, 0x76,
+		0x65, 0x72, 0x20, 0x74, 0x6F, 0x20, 0x63, 0x6C, 0x69, 0x65,
+		0x6E, 0x74, 0x20, 0x73, 0x69, 0x67, 0x6E, 0x69, 0x6E, 0x67,
+		0x20, 0x63, 0x6F, 0x6E, 0x73, 0x74, 0x61, 0x6E, 0x74
+	};
+	static const u8 magic2[41] = {
+		0x50, 0x61, 0x64, 0x20, 0x74, 0x6F, 0x20, 0x6D, 0x61, 0x6B,
+		0x65, 0x20, 0x69, 0x74, 0x20, 0x64, 0x6F, 0x20, 0x6D, 0x6F,
+		0x72, 0x65, 0x20, 0x74, 0x68, 0x61, 0x6E, 0x20, 0x6F, 0x6E,
+		0x65, 0x20, 0x69, 0x74, 0x65, 0x72, 0x61, 0x74, 0x69, 0x6F,
+		0x6E
+	};
+
+	u8 password_hash_hash[16], challenge[8];
+	const unsigned char *addr1[3];
+	const size_t len1[3] = { 16, 24, sizeof(magic1) };
+	const unsigned char *addr2[3];
+	const size_t len2[3] = { SHA1_MAC_LEN, 8, sizeof(magic2) };
+
+	addr1[0] = password_hash_hash;
+	addr1[1] = nt_response;
+	addr1[2] = magic1;
+
+	addr2[0] = response;
+	addr2[1] = challenge;
+	addr2[2] = magic2;
+
+	if (hash_nt_password_hash(password_hash, password_hash_hash))
+		return -1;
+	if (sha1_vector(3, addr1, len1, response))
+		return -1;
+
+	challenge_hash(peer_challenge, auth_challenge, username, username_len,
+		       challenge);
+	return sha1_vector(3, addr2, len2, response);
+}
+
+
+/**
+ * generate_authenticator_response - GenerateAuthenticatorResponse() - RFC 2759, Sect. 8.7
+ * @password: 0-to-256-unicode-char Password (IN; ASCII)
+ * @password_len: Length of password
+ * @nt_response: 24-octet NT-Response (IN)
+ * @peer_challenge: 16-octet PeerChallenge (IN)
+ * @auth_challenge: 16-octet AuthenticatorChallenge (IN)
+ * @username: 0-to-256-char UserName (IN)
+ * @username_len: Length of username
+ * @response: 20-octet AuthenticatorResponse (OUT) (note: this value is usually
+ * encoded as a 42-octet ASCII string (S=hexdump_of_response)
+ * Returns: 0 on success, -1 on failure
+ */
+int generate_authenticator_response(const u8 *password, size_t password_len,
+				    const u8 *peer_challenge,
+				    const u8 *auth_challenge,
+				    const u8 *username, size_t username_len,
+				    const u8 *nt_response, u8 *response)
+{
+	u8 password_hash[16];
+	if (nt_password_hash(password, password_len, password_hash))
+		return -1;
+	return generate_authenticator_response_pwhash(
+		password_hash, peer_challenge, auth_challenge,
+		username, username_len, nt_response, response);
+}
+
+
+/**
+ * nt_challenge_response - NtChallengeResponse() - RFC 2433, Sect. A.5
+ * @challenge: 8-octet Challenge (IN)
+ * @password: 0-to-256-unicode-char Password (IN; ASCII)
+ * @password_len: Length of password
+ * @response: 24-octet Response (OUT)
+ * Returns: 0 on success, -1 on failure
+ */
+int nt_challenge_response(const u8 *challenge, const u8 *password,
+			  size_t password_len, u8 *response)
+{
+	u8 password_hash[16];
+	if (nt_password_hash(password, password_len, password_hash))
+		return -1;
+	challenge_response(challenge, password_hash, response);
+	return 0;
+}
+
+
+/**
+ * get_master_key - GetMasterKey() - RFC 3079, Sect. 3.4
+ * @password_hash_hash: 16-octet PasswordHashHash (IN)
+ * @nt_response: 24-octet NTResponse (IN)
+ * @master_key: 16-octet MasterKey (OUT)
+ * Returns: 0 on success, -1 on failure
+ */
+int get_master_key(const u8 *password_hash_hash, const u8 *nt_response,
+		   u8 *master_key)
+{
+	static const u8 magic1[27] = {
+		0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x74,
+		0x68, 0x65, 0x20, 0x4d, 0x50, 0x50, 0x45, 0x20, 0x4d,
+		0x61, 0x73, 0x74, 0x65, 0x72, 0x20, 0x4b, 0x65, 0x79
+	};
+	const unsigned char *addr[3];
+	const size_t len[3] = { 16, 24, sizeof(magic1) };
+	u8 hash[SHA1_MAC_LEN];
+
+	addr[0] = password_hash_hash;
+	addr[1] = nt_response;
+	addr[2] = magic1;
+
+	if (sha1_vector(3, addr, len, hash))
+		return -1;
+	os_memcpy(master_key, hash, 16);
+	return 0;
+}
+
+
+/**
+ * get_asymetric_start_key - GetAsymetricStartKey() - RFC 3079, Sect. 3.4
+ * @master_key: 16-octet MasterKey (IN)
+ * @session_key: 8-to-16 octet SessionKey (OUT)
+ * @session_key_len: SessionKeyLength (Length of session_key) (IN)
+ * @is_send: IsSend (IN, BOOLEAN)
+ * @is_server: IsServer (IN, BOOLEAN)
+ * Returns: 0 on success, -1 on failure
+ */
+int get_asymetric_start_key(const u8 *master_key, u8 *session_key,
+			    size_t session_key_len, int is_send,
+			    int is_server)
+{
+	static const u8 magic2[84] = {
+		0x4f, 0x6e, 0x20, 0x74, 0x68, 0x65, 0x20, 0x63, 0x6c, 0x69,
+		0x65, 0x6e, 0x74, 0x20, 0x73, 0x69, 0x64, 0x65, 0x2c, 0x20,
+		0x74, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x74, 0x68,
+		0x65, 0x20, 0x73, 0x65, 0x6e, 0x64, 0x20, 0x6b, 0x65, 0x79,
+		0x3b, 0x20, 0x6f, 0x6e, 0x20, 0x74, 0x68, 0x65, 0x20, 0x73,
+		0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x73, 0x69, 0x64, 0x65,
+		0x2c, 0x20, 0x69, 0x74, 0x20, 0x69, 0x73, 0x20, 0x74, 0x68,
+		0x65, 0x20, 0x72, 0x65, 0x63, 0x65, 0x69, 0x76, 0x65, 0x20,
+		0x6b, 0x65, 0x79, 0x2e
+	};
+	static const u8 magic3[84] = {
+		0x4f, 0x6e, 0x20, 0x74, 0x68, 0x65, 0x20, 0x63, 0x6c, 0x69,
+		0x65, 0x6e, 0x74, 0x20, 0x73, 0x69, 0x64, 0x65, 0x2c, 0x20,
+		0x74, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x74, 0x68,
+		0x65, 0x20, 0x72, 0x65, 0x63, 0x65, 0x69, 0x76, 0x65, 0x20,
+		0x6b, 0x65, 0x79, 0x3b, 0x20, 0x6f, 0x6e, 0x20, 0x74, 0x68,
+		0x65, 0x20, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x73,
+		0x69, 0x64, 0x65, 0x2c, 0x20, 0x69, 0x74, 0x20, 0x69, 0x73,
+		0x20, 0x74, 0x68, 0x65, 0x20, 0x73, 0x65, 0x6e, 0x64, 0x20,
+		0x6b, 0x65, 0x79, 0x2e
+	};
+	static const u8 shs_pad1[40] = {
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+	};
+
+	static const u8 shs_pad2[40] = {
+		0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2,
+		0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2,
+		0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2,
+		0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2
+	};
+	u8 digest[SHA1_MAC_LEN];
+	const unsigned char *addr[4];
+	const size_t len[4] = { 16, 40, 84, 40 };
+
+	addr[0] = master_key;
+	addr[1] = shs_pad1;
+	if (is_send) {
+		addr[2] = is_server ? magic3 : magic2;
+	} else {
+		addr[2] = is_server ? magic2 : magic3;
+	}
+	addr[3] = shs_pad2;
+
+	if (sha1_vector(4, addr, len, digest))
+		return -1;
+
+	if (session_key_len > SHA1_MAC_LEN)
+		session_key_len = SHA1_MAC_LEN;
+	os_memcpy(session_key, digest, session_key_len);
+	return 0;
+}
+
+
+#define PWBLOCK_LEN 516
+
+/**
+ * encrypt_pw_block_with_password_hash - EncryptPwBlockWithPasswordHash() - RFC 2759, Sect. 8.10
+ * @password: 0-to-256-unicode-char Password (IN; ASCII)
+ * @password_len: Length of password
+ * @password_hash: 16-octet PasswordHash (IN)
+ * @pw_block: 516-byte PwBlock (OUT)
+ * Returns: 0 on success, -1 on failure
+ */
+int encrypt_pw_block_with_password_hash(
+	const u8 *password, size_t password_len,
+	const u8 *password_hash, u8 *pw_block)
+{
+	size_t i, offset;
+	u8 *pos;
+
+	if (password_len > 256)
+		return -1;
+
+	os_memset(pw_block, 0, PWBLOCK_LEN);
+	offset = (256 - password_len) * 2;
+	if (os_get_random(pw_block, offset) < 0)
+		return -1;
+	for (i = 0; i < password_len; i++)
+		pw_block[offset + i * 2] = password[i];
+	/*
+	 * PasswordLength is 4 octets, but since the maximum password length is
+	 * 256, only first two (in little endian byte order) can be non-zero.
+	 */
+	pos = &pw_block[2 * 256];
+	WPA_PUT_LE16(pos, password_len * 2);
+	rc4_skip(password_hash, 16, 0, pw_block, PWBLOCK_LEN);
+	return 0;
+}
+
+
+/**
+ * new_password_encrypted_with_old_nt_password_hash - NewPasswordEncryptedWithOldNtPasswordHash() - RFC 2759, Sect. 8.9
+ * @new_password: 0-to-256-unicode-char NewPassword (IN; ASCII)
+ * @new_password_len: Length of new_password
+ * @old_password: 0-to-256-unicode-char OldPassword (IN; ASCII)
+ * @old_password_len: Length of old_password
+ * @encrypted_pw_block: 516-octet EncryptedPwBlock (OUT)
+ * Returns: 0 on success, -1 on failure
+ */
+int new_password_encrypted_with_old_nt_password_hash(
+	const u8 *new_password, size_t new_password_len,
+	const u8 *old_password, size_t old_password_len,
+	u8 *encrypted_pw_block)
+{
+	u8 password_hash[16];
+
+	if (nt_password_hash(old_password, old_password_len, password_hash))
+		return -1;
+	if (encrypt_pw_block_with_password_hash(new_password, new_password_len,
+						password_hash,
+						encrypted_pw_block))
+		return -1;
+	return 0;
+}
+
+
+/**
+ * nt_password_hash_encrypted_with_block - NtPasswordHashEncryptedWithBlock() - RFC 2759, Sect 8.13
+ * @password_hash: 16-octer PasswordHash (IN)
+ * @block: 16-octet Block (IN)
+ * @cypher: 16-octer Cypher (OUT)
+ */
+void nt_password_hash_encrypted_with_block(const u8 *password_hash,
+					   const u8 *block, u8 *cypher)
+{
+	des_encrypt(password_hash, block, cypher);
+	des_encrypt(password_hash + 8, block + 7, cypher + 8);
+}
+
+
+/**
+ * old_nt_password_hash_encrypted_with_new_nt_password_hash - OldNtPasswordHashEncryptedWithNewNtPasswordHash() - RFC 2759, Sect. 8.12
+ * @new_password: 0-to-256-unicode-char NewPassword (IN; ASCII)
+ * @new_password_len: Length of new_password
+ * @old_password: 0-to-256-unicode-char OldPassword (IN; ASCII)
+ * @old_password_len: Length of old_password
+ * @encrypted_password_hash: 16-octet EncryptedPasswordHash (OUT)
+ * Returns: 0 on success, -1 on failure
+ */
+int old_nt_password_hash_encrypted_with_new_nt_password_hash(
+	const u8 *new_password, size_t new_password_len,
+	const u8 *old_password, size_t old_password_len,
+	u8 *encrypted_password_hash)
+{
+	u8 old_password_hash[16], new_password_hash[16];
+
+	if (nt_password_hash(old_password, old_password_len,
+			     old_password_hash) ||
+	    nt_password_hash(new_password, new_password_len,
+			     new_password_hash))
+		return -1;
+	nt_password_hash_encrypted_with_block(old_password_hash,
+					      new_password_hash,
+					      encrypted_password_hash);
+	return 0;
+}
diff --git a/src/crypto/ms_funcs.h b/src/crypto/ms_funcs.h
new file mode 100644
index 0000000..298dbcf
--- /dev/null
+++ b/src/crypto/ms_funcs.h
@@ -0,0 +1,64 @@
+/*
+ * WPA Supplicant / shared MSCHAPV2 helper functions / RFC 2433 / RFC 2759
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef MS_FUNCS_H
+#define MS_FUNCS_H
+
+int generate_nt_response(const u8 *auth_challenge, const u8 *peer_challenge,
+			 const u8 *username, size_t username_len,
+			 const u8 *password, size_t password_len,
+			 u8 *response);
+int generate_nt_response_pwhash(const u8 *auth_challenge,
+				const u8 *peer_challenge,
+				const u8 *username, size_t username_len,
+				const u8 *password_hash,
+				u8 *response);
+int generate_authenticator_response(const u8 *password, size_t password_len,
+				    const u8 *peer_challenge,
+				    const u8 *auth_challenge,
+				    const u8 *username, size_t username_len,
+				    const u8 *nt_response, u8 *response);
+int generate_authenticator_response_pwhash(
+	const u8 *password_hash,
+	const u8 *peer_challenge, const u8 *auth_challenge,
+	const u8 *username, size_t username_len,
+	const u8 *nt_response, u8 *response);
+int nt_challenge_response(const u8 *challenge, const u8 *password,
+			  size_t password_len, u8 *response);
+
+void challenge_response(const u8 *challenge, const u8 *password_hash,
+			u8 *response);
+int nt_password_hash(const u8 *password, size_t password_len,
+		     u8 *password_hash);
+int hash_nt_password_hash(const u8 *password_hash, u8 *password_hash_hash);
+int get_master_key(const u8 *password_hash_hash, const u8 *nt_response,
+		   u8 *master_key);
+int get_asymetric_start_key(const u8 *master_key, u8 *session_key,
+			    size_t session_key_len, int is_send,
+			    int is_server);
+int __must_check encrypt_pw_block_with_password_hash(
+	const u8 *password, size_t password_len,
+	const u8 *password_hash, u8 *pw_block);
+int __must_check new_password_encrypted_with_old_nt_password_hash(
+	const u8 *new_password, size_t new_password_len,
+	const u8 *old_password, size_t old_password_len,
+	u8 *encrypted_pw_block);
+void nt_password_hash_encrypted_with_block(const u8 *password_hash,
+					   const u8 *block, u8 *cypher);
+int old_nt_password_hash_encrypted_with_new_nt_password_hash(
+	const u8 *new_password, size_t new_password_len,
+	const u8 *old_password, size_t old_password_len,
+	u8 *encrypted_password_hash);
+
+#endif /* MS_FUNCS_H */
diff --git a/src/crypto/random.c b/src/crypto/random.c
new file mode 100644
index 0000000..a30afde
--- /dev/null
+++ b/src/crypto/random.c
@@ -0,0 +1,337 @@
+/*
+ * Random number generator
+ * Copyright (c) 2010-2011, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This random number generator is used to provide additional entropy to the
+ * one provided by the operating system (os_get_random()) for session key
+ * generation. The os_get_random() output is expected to be secure and the
+ * implementation here is expected to provide only limited protection against
+ * cases where os_get_random() cannot provide strong randomness. This
+ * implementation shall not be assumed to be secure as the sole source of
+ * randomness. The random_get_bytes() function mixes in randomness from
+ * os_get_random() and as such, calls to os_get_random() can be replaced with
+ * calls to random_get_bytes() without reducing security.
+ *
+ * The design here follows partially the design used in the Linux
+ * drivers/char/random.c, but the implementation here is simpler and not as
+ * strong. This is a compromise to reduce duplicated CPU effort and to avoid
+ * extra code/memory size. As pointed out above, os_get_random() needs to be
+ * guaranteed to be secure for any of the security assumptions to hold.
+ */
+
+#include "utils/includes.h"
+#ifdef __linux__
+#include <fcntl.h>
+#endif /* __linux__ */
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "sha1.h"
+#include "random.h"
+
+#define POOL_WORDS 32
+#define POOL_WORDS_MASK (POOL_WORDS - 1)
+#define POOL_TAP1 26
+#define POOL_TAP2 20
+#define POOL_TAP3 14
+#define POOL_TAP4 7
+#define POOL_TAP5 1
+#define EXTRACT_LEN 16
+#define MIN_READY_MARK 2
+
+static u32 pool[POOL_WORDS];
+static unsigned int input_rotate = 0;
+static unsigned int pool_pos = 0;
+static u8 dummy_key[20];
+#ifdef __linux__
+static size_t dummy_key_avail = 0;
+static int random_fd = -1;
+#endif /* __linux__ */
+static unsigned int own_pool_ready = 0;
+
+#define MIN_COLLECT_ENTROPY 1000
+static unsigned int entropy = 0;
+static unsigned int total_collected = 0;
+
+
+static u32 __ROL32(u32 x, u32 y)
+{
+	return (x << (y & 31)) | (x >> (32 - (y & 31)));
+}
+
+
+static void random_mix_pool(const void *buf, size_t len)
+{
+	static const u32 twist[8] = {
+		0x00000000, 0x3b6e20c8, 0x76dc4190, 0x4db26158,
+		0xedb88320, 0xd6d6a3e8, 0x9b64c2b0, 0xa00ae278
+	};
+	const u8 *pos = buf;
+	u32 w;
+
+	wpa_hexdump_key(MSG_EXCESSIVE, "random_mix_pool", buf, len);
+
+	while (len--) {
+		w = __ROL32(*pos++, input_rotate & 31);
+		input_rotate += pool_pos ? 7 : 14;
+		pool_pos = (pool_pos - 1) & POOL_WORDS_MASK;
+		w ^= pool[pool_pos];
+		w ^= pool[(pool_pos + POOL_TAP1) & POOL_WORDS_MASK];
+		w ^= pool[(pool_pos + POOL_TAP2) & POOL_WORDS_MASK];
+		w ^= pool[(pool_pos + POOL_TAP3) & POOL_WORDS_MASK];
+		w ^= pool[(pool_pos + POOL_TAP4) & POOL_WORDS_MASK];
+		w ^= pool[(pool_pos + POOL_TAP5) & POOL_WORDS_MASK];
+		pool[pool_pos] = (w >> 3) ^ twist[w & 7];
+	}
+}
+
+
+static void random_extract(u8 *out)
+{
+	unsigned int i;
+	u8 hash[SHA1_MAC_LEN];
+	u32 *hash_ptr;
+	u32 buf[POOL_WORDS / 2];
+
+	/* First, add hash back to pool to make backtracking more difficult. */
+	hmac_sha1(dummy_key, sizeof(dummy_key), (const u8 *) pool,
+		  sizeof(pool), hash);
+	random_mix_pool(hash, sizeof(hash));
+	/* Hash half the pool to extra data */
+	for (i = 0; i < POOL_WORDS / 2; i++)
+		buf[i] = pool[(pool_pos - i) & POOL_WORDS_MASK];
+	hmac_sha1(dummy_key, sizeof(dummy_key), (const u8 *) buf,
+		  sizeof(buf), hash);
+	/*
+	 * Fold the hash to further reduce any potential output pattern.
+	 * Though, compromise this to reduce CPU use for the most common output
+	 * length (32) and return 16 bytes from instead of only half.
+	 */
+	hash_ptr = (u32 *) hash;
+	hash_ptr[0] ^= hash_ptr[4];
+	os_memcpy(out, hash, EXTRACT_LEN);
+}
+
+
+void random_add_randomness(const void *buf, size_t len)
+{
+	struct os_time t;
+	static unsigned int count = 0;
+
+	count++;
+	wpa_printf(MSG_MSGDUMP, "Add randomness: count=%u entropy=%u",
+		   count, entropy);
+	if (entropy > MIN_COLLECT_ENTROPY && (count & 0x3ff) != 0) {
+		/*
+		 * No need to add more entropy at this point, so save CPU and
+		 * skip the update.
+		 */
+		return;
+	}
+
+	os_get_time(&t);
+	wpa_hexdump_key(MSG_EXCESSIVE, "random pool",
+			(const u8 *) pool, sizeof(pool));
+	random_mix_pool(&t, sizeof(t));
+	random_mix_pool(buf, len);
+	wpa_hexdump_key(MSG_EXCESSIVE, "random pool",
+			(const u8 *) pool, sizeof(pool));
+	entropy++;
+	total_collected++;
+}
+
+
+int random_get_bytes(void *buf, size_t len)
+{
+	int ret;
+	u8 *bytes = buf;
+	size_t left;
+
+	wpa_printf(MSG_MSGDUMP, "Get randomness: len=%u entropy=%u",
+		   (unsigned int) len, entropy);
+
+	/* Start with assumed strong randomness from OS */
+	ret = os_get_random(buf, len);
+	wpa_hexdump_key(MSG_EXCESSIVE, "random from os_get_random",
+			buf, len);
+
+	/* Mix in additional entropy extracted from the internal pool */
+	left = len;
+	while (left) {
+		size_t siz, i;
+		u8 tmp[EXTRACT_LEN];
+		random_extract(tmp);
+		wpa_hexdump_key(MSG_EXCESSIVE, "random from internal pool",
+				tmp, sizeof(tmp));
+		siz = left > EXTRACT_LEN ? EXTRACT_LEN : left;
+		for (i = 0; i < siz; i++)
+			*bytes++ ^= tmp[i];
+		left -= siz;
+	}
+	wpa_hexdump_key(MSG_EXCESSIVE, "mixed random", buf, len);
+
+	if (entropy < len)
+		entropy = 0;
+	else
+		entropy -= len;
+
+	return ret;
+}
+
+
+int random_pool_ready(void)
+{
+#ifdef __linux__
+	int fd;
+	ssize_t res;
+
+	/*
+	 * Make sure that there is reasonable entropy available before allowing
+	 * some key derivation operations to proceed.
+	 */
+
+	if (dummy_key_avail == sizeof(dummy_key))
+		return 1; /* Already initialized - good to continue */
+
+	/*
+	 * Try to fetch some more data from the kernel high quality
+	 * /dev/random. There may not be enough data available at this point,
+	 * so use non-blocking read to avoid blocking the application
+	 * completely.
+	 */
+	fd = open("/dev/random", O_RDONLY | O_NONBLOCK);
+	if (fd < 0) {
+#ifndef CONFIG_NO_STDOUT_DEBUG
+		int error = errno;
+		perror("open(/dev/random)");
+		wpa_printf(MSG_ERROR, "random: Cannot open /dev/random: %s",
+			   strerror(error));
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+		return -1;
+	}
+
+	res = read(fd, dummy_key + dummy_key_avail,
+		   sizeof(dummy_key) - dummy_key_avail);
+	if (res < 0) {
+		wpa_printf(MSG_ERROR, "random: Cannot read from /dev/random: "
+			   "%s", strerror(errno));
+		res = 0;
+	}
+	wpa_printf(MSG_DEBUG, "random: Got %u/%u bytes from "
+		   "/dev/random", (unsigned) res,
+		   (unsigned) (sizeof(dummy_key) - dummy_key_avail));
+	dummy_key_avail += res;
+	close(fd);
+
+	if (dummy_key_avail == sizeof(dummy_key))
+		return 1;
+
+	wpa_printf(MSG_INFO, "random: Only %u/%u bytes of strong "
+		   "random data available from /dev/random",
+		   (unsigned) dummy_key_avail, (unsigned) sizeof(dummy_key));
+
+	if (own_pool_ready >= MIN_READY_MARK ||
+	    total_collected + 10 * own_pool_ready > MIN_COLLECT_ENTROPY) {
+		wpa_printf(MSG_INFO, "random: Allow operation to proceed "
+			   "based on internal entropy");
+		return 1;
+	}
+
+	wpa_printf(MSG_INFO, "random: Not enough entropy pool available for "
+		   "secure operations");
+	return 0;
+#else /* __linux__ */
+	/* TODO: could do similar checks on non-Linux platforms */
+	return 1;
+#endif /* __linux__ */
+}
+
+
+void random_mark_pool_ready(void)
+{
+	own_pool_ready++;
+	wpa_printf(MSG_DEBUG, "random: Mark internal entropy pool to be "
+		   "ready (count=%u/%u)", own_pool_ready, MIN_READY_MARK);
+}
+
+
+#ifdef __linux__
+
+static void random_close_fd(void)
+{
+	if (random_fd >= 0) {
+		eloop_unregister_read_sock(random_fd);
+		close(random_fd);
+		random_fd = -1;
+	}
+}
+
+
+static void random_read_fd(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	ssize_t res;
+
+	if (dummy_key_avail == sizeof(dummy_key)) {
+		random_close_fd();
+		return;
+	}
+
+	res = read(sock, dummy_key + dummy_key_avail,
+		   sizeof(dummy_key) - dummy_key_avail);
+	if (res < 0) {
+		wpa_printf(MSG_ERROR, "random: Cannot read from /dev/random: "
+			   "%s", strerror(errno));
+		return;
+	}
+
+	wpa_printf(MSG_DEBUG, "random: Got %u/%u bytes from /dev/random",
+		   (unsigned) res,
+		   (unsigned) (sizeof(dummy_key) - dummy_key_avail));
+	dummy_key_avail += res;
+
+	if (dummy_key_avail == sizeof(dummy_key))
+		random_close_fd();
+}
+
+#endif /* __linux__ */
+
+
+void random_init(void)
+{
+#ifdef __linux__
+	if (random_fd >= 0)
+		return;
+
+	random_fd = open("/dev/random", O_RDONLY | O_NONBLOCK);
+	if (random_fd < 0) {
+#ifndef CONFIG_NO_STDOUT_DEBUG
+		int error = errno;
+		perror("open(/dev/random)");
+		wpa_printf(MSG_ERROR, "random: Cannot open /dev/random: %s",
+			   strerror(error));
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+		return;
+	}
+	wpa_printf(MSG_DEBUG, "random: Trying to read entropy from "
+		   "/dev/random");
+
+	eloop_register_read_sock(random_fd, random_read_fd, NULL, NULL);
+#endif /* __linux__ */
+}
+
+
+void random_deinit(void)
+{
+#ifdef __linux__
+	random_close_fd();
+#endif /* __linux__ */
+}
diff --git a/src/crypto/random.h b/src/crypto/random.h
new file mode 100644
index 0000000..5dabd2b
--- /dev/null
+++ b/src/crypto/random.h
@@ -0,0 +1,34 @@
+/*
+ * Random number generator
+ * Copyright (c) 2010-2011, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef RANDOM_H
+#define RANDOM_H
+
+#ifdef CONFIG_NO_RANDOM_POOL
+#define random_init() do { } while (0)
+#define random_deinit() do { } while (0)
+#define random_add_randomness(b, l) do { } while (0)
+#define random_get_bytes(b, l) os_get_random((b), (l))
+#define random_pool_ready() 1
+#define random_mark_pool_ready() do { } while (0)
+#else /* CONFIG_NO_RANDOM_POOL */
+void random_init(void);
+void random_deinit(void);
+void random_add_randomness(const void *buf, size_t len);
+int random_get_bytes(void *buf, size_t len);
+int random_pool_ready(void);
+void random_mark_pool_ready(void);
+#endif /* CONFIG_NO_RANDOM_POOL */
+
+#endif /* RANDOM_H */
diff --git a/src/crypto/rc4.c b/src/crypto/rc4.c
new file mode 100644
index 0000000..5ab1be1
--- /dev/null
+++ b/src/crypto/rc4.c
@@ -0,0 +1,60 @@
+/*
+ * RC4 stream cipher
+ * Copyright (c) 2002-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto.h"
+
+#define S_SWAP(a,b) do { u8 t = S[a]; S[a] = S[b]; S[b] = t; } while(0)
+
+int rc4_skip(const u8 *key, size_t keylen, size_t skip,
+	     u8 *data, size_t data_len)
+{
+	u32 i, j, k;
+	u8 S[256], *pos;
+	size_t kpos;
+
+	/* Setup RC4 state */
+	for (i = 0; i < 256; i++)
+		S[i] = i;
+	j = 0;
+	kpos = 0;
+	for (i = 0; i < 256; i++) {
+		j = (j + S[i] + key[kpos]) & 0xff;
+		kpos++;
+		if (kpos >= keylen)
+			kpos = 0;
+		S_SWAP(i, j);
+	}
+
+	/* Skip the start of the stream */
+	i = j = 0;
+	for (k = 0; k < skip; k++) {
+		i = (i + 1) & 0xff;
+		j = (j + S[i]) & 0xff;
+		S_SWAP(i, j);
+	}
+
+	/* Apply RC4 to data */
+	pos = data;
+	for (k = 0; k < data_len; k++) {
+		i = (i + 1) & 0xff;
+		j = (j + S[i]) & 0xff;
+		S_SWAP(i, j);
+		*pos++ ^= S[(S[i] + S[j]) & 0xff];
+	}
+
+	return 0;
+}
diff --git a/src/crypto/sha1-internal.c b/src/crypto/sha1-internal.c
new file mode 100644
index 0000000..3f05ca1
--- /dev/null
+++ b/src/crypto/sha1-internal.c
@@ -0,0 +1,308 @@
+/*
+ * SHA1 hash implementation and interface functions
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "sha1.h"
+#include "sha1_i.h"
+#include "md5.h"
+#include "crypto.h"
+
+typedef struct SHA1Context SHA1_CTX;
+
+void SHA1Transform(u32 state[5], const unsigned char buffer[64]);
+
+
+/**
+ * sha1_vector - SHA-1 hash for data vector
+ * @num_elem: Number of elements in the data vector
+ * @addr: Pointers to the data areas
+ * @len: Lengths of the data blocks
+ * @mac: Buffer for the hash
+ * Returns: 0 on success, -1 of failure
+ */
+int sha1_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	SHA1_CTX ctx;
+	size_t i;
+
+	SHA1Init(&ctx);
+	for (i = 0; i < num_elem; i++)
+		SHA1Update(&ctx, addr[i], len[i]);
+	SHA1Final(mac, &ctx);
+	return 0;
+}
+
+
+/* ===== start - public domain SHA1 implementation ===== */
+
+/*
+SHA-1 in C
+By Steve Reid <sreid@sea-to-sky.net>
+100% Public Domain
+
+-----------------
+Modified 7/98 
+By James H. Brown <jbrown@burgoyne.com>
+Still 100% Public Domain
+
+Corrected a problem which generated improper hash values on 16 bit machines
+Routine SHA1Update changed from
+	void SHA1Update(SHA1_CTX* context, unsigned char* data, unsigned int
+len)
+to
+	void SHA1Update(SHA1_CTX* context, unsigned char* data, unsigned
+long len)
+
+The 'len' parameter was declared an int which works fine on 32 bit machines.
+However, on 16 bit machines an int is too small for the shifts being done
+against
+it.  This caused the hash function to generate incorrect values if len was
+greater than 8191 (8K - 1) due to the 'len << 3' on line 3 of SHA1Update().
+
+Since the file IO in main() reads 16K at a time, any file 8K or larger would
+be guaranteed to generate the wrong hash (e.g. Test Vector #3, a million
+"a"s).
+
+I also changed the declaration of variables i & j in SHA1Update to 
+unsigned long from unsigned int for the same reason.
+
+These changes should make no difference to any 32 bit implementations since
+an
+int and a long are the same size in those environments.
+
+--
+I also corrected a few compiler warnings generated by Borland C.
+1. Added #include <process.h> for exit() prototype
+2. Removed unused variable 'j' in SHA1Final
+3. Changed exit(0) to return(0) at end of main.
+
+ALL changes I made can be located by searching for comments containing 'JHB'
+-----------------
+Modified 8/98
+By Steve Reid <sreid@sea-to-sky.net>
+Still 100% public domain
+
+1- Removed #include <process.h> and used return() instead of exit()
+2- Fixed overwriting of finalcount in SHA1Final() (discovered by Chris Hall)
+3- Changed email address from steve@edmweb.com to sreid@sea-to-sky.net
+
+-----------------
+Modified 4/01
+By Saul Kravitz <Saul.Kravitz@celera.com>
+Still 100% PD
+Modified to run on Compaq Alpha hardware.  
+
+-----------------
+Modified 4/01
+By Jouni Malinen <j@w1.fi>
+Minor changes to match the coding style used in Dynamics.
+
+Modified September 24, 2004
+By Jouni Malinen <j@w1.fi>
+Fixed alignment issue in SHA1Transform when SHA1HANDSOFF is defined.
+
+*/
+
+/*
+Test Vectors (from FIPS PUB 180-1)
+"abc"
+  A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D
+"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
+  84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1
+A million repetitions of "a"
+  34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F
+*/
+
+#define SHA1HANDSOFF
+
+#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
+
+/* blk0() and blk() perform the initial expand. */
+/* I got the idea of expanding during the round function from SSLeay */
+#ifndef WORDS_BIGENDIAN
+#define blk0(i) (block->l[i] = (rol(block->l[i], 24) & 0xFF00FF00) | \
+	(rol(block->l[i], 8) & 0x00FF00FF))
+#else
+#define blk0(i) block->l[i]
+#endif
+#define blk(i) (block->l[i & 15] = rol(block->l[(i + 13) & 15] ^ \
+	block->l[(i + 8) & 15] ^ block->l[(i + 2) & 15] ^ block->l[i & 15], 1))
+
+/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
+#define R0(v,w,x,y,z,i) \
+	z += ((w & (x ^ y)) ^ y) + blk0(i) + 0x5A827999 + rol(v, 5); \
+	w = rol(w, 30);
+#define R1(v,w,x,y,z,i) \
+	z += ((w & (x ^ y)) ^ y) + blk(i) + 0x5A827999 + rol(v, 5); \
+	w = rol(w, 30);
+#define R2(v,w,x,y,z,i) \
+	z += (w ^ x ^ y) + blk(i) + 0x6ED9EBA1 + rol(v, 5); w = rol(w, 30);
+#define R3(v,w,x,y,z,i) \
+	z += (((w | x) & y) | (w & x)) + blk(i) + 0x8F1BBCDC + rol(v, 5); \
+	w = rol(w, 30);
+#define R4(v,w,x,y,z,i) \
+	z += (w ^ x ^ y) + blk(i) + 0xCA62C1D6 + rol(v, 5); \
+	w=rol(w, 30);
+
+
+#ifdef VERBOSE  /* SAK */
+void SHAPrintContext(SHA1_CTX *context, char *msg)
+{
+	printf("%s (%d,%d) %x %x %x %x %x\n",
+	       msg,
+	       context->count[0], context->count[1], 
+	       context->state[0],
+	       context->state[1],
+	       context->state[2],
+	       context->state[3],
+	       context->state[4]);
+}
+#endif
+
+/* Hash a single 512-bit block. This is the core of the algorithm. */
+
+void SHA1Transform(u32 state[5], const unsigned char buffer[64])
+{
+	u32 a, b, c, d, e;
+	typedef union {
+		unsigned char c[64];
+		u32 l[16];
+	} CHAR64LONG16;
+	CHAR64LONG16* block;
+#ifdef SHA1HANDSOFF
+	CHAR64LONG16 workspace;
+	block = &workspace;
+	os_memcpy(block, buffer, 64);
+#else
+	block = (CHAR64LONG16 *) buffer;
+#endif
+	/* Copy context->state[] to working vars */
+	a = state[0];
+	b = state[1];
+	c = state[2];
+	d = state[3];
+	e = state[4];
+	/* 4 rounds of 20 operations each. Loop unrolled. */
+	R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
+	R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
+	R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
+	R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
+	R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
+	R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
+	R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
+	R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
+	R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
+	R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
+	R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
+	R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
+	R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
+	R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
+	R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
+	R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
+	R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
+	R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
+	R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
+	R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
+	/* Add the working vars back into context.state[] */
+	state[0] += a;
+	state[1] += b;
+	state[2] += c;
+	state[3] += d;
+	state[4] += e;
+	/* Wipe variables */
+	a = b = c = d = e = 0;
+#ifdef SHA1HANDSOFF
+	os_memset(block, 0, 64);
+#endif
+}
+
+
+/* SHA1Init - Initialize new context */
+
+void SHA1Init(SHA1_CTX* context)
+{
+	/* SHA1 initialization constants */
+	context->state[0] = 0x67452301;
+	context->state[1] = 0xEFCDAB89;
+	context->state[2] = 0x98BADCFE;
+	context->state[3] = 0x10325476;
+	context->state[4] = 0xC3D2E1F0;
+	context->count[0] = context->count[1] = 0;
+}
+
+
+/* Run your data through this. */
+
+void SHA1Update(SHA1_CTX* context, const void *_data, u32 len)
+{
+	u32 i, j;
+	const unsigned char *data = _data;
+
+#ifdef VERBOSE
+	SHAPrintContext(context, "before");
+#endif
+	j = (context->count[0] >> 3) & 63;
+	if ((context->count[0] += len << 3) < (len << 3))
+		context->count[1]++;
+	context->count[1] += (len >> 29);
+	if ((j + len) > 63) {
+		os_memcpy(&context->buffer[j], data, (i = 64-j));
+		SHA1Transform(context->state, context->buffer);
+		for ( ; i + 63 < len; i += 64) {
+			SHA1Transform(context->state, &data[i]);
+		}
+		j = 0;
+	}
+	else i = 0;
+	os_memcpy(&context->buffer[j], &data[i], len - i);
+#ifdef VERBOSE
+	SHAPrintContext(context, "after ");
+#endif
+}
+
+
+/* Add padding and return the message digest. */
+
+void SHA1Final(unsigned char digest[20], SHA1_CTX* context)
+{
+	u32 i;
+	unsigned char finalcount[8];
+
+	for (i = 0; i < 8; i++) {
+		finalcount[i] = (unsigned char)
+			((context->count[(i >= 4 ? 0 : 1)] >>
+			  ((3-(i & 3)) * 8) ) & 255);  /* Endian independent */
+	}
+	SHA1Update(context, (unsigned char *) "\200", 1);
+	while ((context->count[0] & 504) != 448) {
+		SHA1Update(context, (unsigned char *) "\0", 1);
+	}
+	SHA1Update(context, finalcount, 8);  /* Should cause a SHA1Transform()
+					      */
+	for (i = 0; i < 20; i++) {
+		digest[i] = (unsigned char)
+			((context->state[i >> 2] >> ((3 - (i & 3)) * 8)) &
+			 255);
+	}
+	/* Wipe variables */
+	i = 0;
+	os_memset(context->buffer, 0, 64);
+	os_memset(context->state, 0, 20);
+	os_memset(context->count, 0, 8);
+	os_memset(finalcount, 0, 8);
+}
+
+/* ===== end - public domain SHA1 implementation ===== */
diff --git a/src/crypto/sha1-pbkdf2.c b/src/crypto/sha1-pbkdf2.c
new file mode 100644
index 0000000..11323de
--- /dev/null
+++ b/src/crypto/sha1-pbkdf2.c
@@ -0,0 +1,100 @@
+/*
+ * SHA1-based key derivation function (PBKDF2) for IEEE 802.11i
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "sha1.h"
+#include "md5.h"
+#include "crypto.h"
+
+static int pbkdf2_sha1_f(const char *passphrase, const char *ssid,
+			 size_t ssid_len, int iterations, unsigned int count,
+			 u8 *digest)
+{
+	unsigned char tmp[SHA1_MAC_LEN], tmp2[SHA1_MAC_LEN];
+	int i, j;
+	unsigned char count_buf[4];
+	const u8 *addr[2];
+	size_t len[2];
+	size_t passphrase_len = os_strlen(passphrase);
+
+	addr[0] = (u8 *) ssid;
+	len[0] = ssid_len;
+	addr[1] = count_buf;
+	len[1] = 4;
+
+	/* F(P, S, c, i) = U1 xor U2 xor ... Uc
+	 * U1 = PRF(P, S || i)
+	 * U2 = PRF(P, U1)
+	 * Uc = PRF(P, Uc-1)
+	 */
+
+	count_buf[0] = (count >> 24) & 0xff;
+	count_buf[1] = (count >> 16) & 0xff;
+	count_buf[2] = (count >> 8) & 0xff;
+	count_buf[3] = count & 0xff;
+	if (hmac_sha1_vector((u8 *) passphrase, passphrase_len, 2, addr, len,
+			     tmp))
+		return -1;
+	os_memcpy(digest, tmp, SHA1_MAC_LEN);
+
+	for (i = 1; i < iterations; i++) {
+		if (hmac_sha1((u8 *) passphrase, passphrase_len, tmp,
+			      SHA1_MAC_LEN, tmp2))
+			return -1;
+		os_memcpy(tmp, tmp2, SHA1_MAC_LEN);
+		for (j = 0; j < SHA1_MAC_LEN; j++)
+			digest[j] ^= tmp2[j];
+	}
+
+	return 0;
+}
+
+
+/**
+ * pbkdf2_sha1 - SHA1-based key derivation function (PBKDF2) for IEEE 802.11i
+ * @passphrase: ASCII passphrase
+ * @ssid: SSID
+ * @ssid_len: SSID length in bytes
+ * @iterations: Number of iterations to run
+ * @buf: Buffer for the generated key
+ * @buflen: Length of the buffer in bytes
+ * Returns: 0 on success, -1 of failure
+ *
+ * This function is used to derive PSK for WPA-PSK. For this protocol,
+ * iterations is set to 4096 and buflen to 32. This function is described in
+ * IEEE Std 802.11-2004, Clause H.4. The main construction is from PKCS#5 v2.0.
+ */
+int pbkdf2_sha1(const char *passphrase, const char *ssid, size_t ssid_len,
+		int iterations, u8 *buf, size_t buflen)
+{
+	unsigned int count = 0;
+	unsigned char *pos = buf;
+	size_t left = buflen, plen;
+	unsigned char digest[SHA1_MAC_LEN];
+
+	while (left > 0) {
+		count++;
+		if (pbkdf2_sha1_f(passphrase, ssid, ssid_len, iterations,
+				  count, digest))
+			return -1;
+		plen = left > SHA1_MAC_LEN ? SHA1_MAC_LEN : left;
+		os_memcpy(pos, digest, plen);
+		pos += plen;
+		left -= plen;
+	}
+
+	return 0;
+}
diff --git a/src/crypto/sha1-tlsprf.c b/src/crypto/sha1-tlsprf.c
new file mode 100644
index 0000000..2c8c029
--- /dev/null
+++ b/src/crypto/sha1-tlsprf.c
@@ -0,0 +1,109 @@
+/*
+ * TLS PRF (SHA1 + MD5)
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "sha1.h"
+#include "md5.h"
+#include "crypto.h"
+
+
+/**
+ * tls_prf - Pseudo-Random Function for TLS (TLS-PRF, RFC 2246)
+ * @secret: Key for PRF
+ * @secret_len: Length of the key in bytes
+ * @label: A unique label for each purpose of the PRF
+ * @seed: Seed value to bind into the key
+ * @seed_len: Length of the seed
+ * @out: Buffer for the generated pseudo-random key
+ * @outlen: Number of bytes of key to generate
+ * Returns: 0 on success, -1 on failure.
+ *
+ * This function is used to derive new, cryptographically separate keys from a
+ * given key in TLS. This PRF is defined in RFC 2246, Chapter 5.
+ */
+int tls_prf(const u8 *secret, size_t secret_len, const char *label,
+	    const u8 *seed, size_t seed_len, u8 *out, size_t outlen)
+{
+	size_t L_S1, L_S2, i;
+	const u8 *S1, *S2;
+	u8 A_MD5[MD5_MAC_LEN], A_SHA1[SHA1_MAC_LEN];
+	u8 P_MD5[MD5_MAC_LEN], P_SHA1[SHA1_MAC_LEN];
+	int MD5_pos, SHA1_pos;
+	const u8 *MD5_addr[3];
+	size_t MD5_len[3];
+	const unsigned char *SHA1_addr[3];
+	size_t SHA1_len[3];
+
+	if (secret_len & 1)
+		return -1;
+
+	MD5_addr[0] = A_MD5;
+	MD5_len[0] = MD5_MAC_LEN;
+	MD5_addr[1] = (unsigned char *) label;
+	MD5_len[1] = os_strlen(label);
+	MD5_addr[2] = seed;
+	MD5_len[2] = seed_len;
+
+	SHA1_addr[0] = A_SHA1;
+	SHA1_len[0] = SHA1_MAC_LEN;
+	SHA1_addr[1] = (unsigned char *) label;
+	SHA1_len[1] = os_strlen(label);
+	SHA1_addr[2] = seed;
+	SHA1_len[2] = seed_len;
+
+	/* RFC 2246, Chapter 5
+	 * A(0) = seed, A(i) = HMAC(secret, A(i-1))
+	 * P_hash = HMAC(secret, A(1) + seed) + HMAC(secret, A(2) + seed) + ..
+	 * PRF = P_MD5(S1, label + seed) XOR P_SHA-1(S2, label + seed)
+	 */
+
+	L_S1 = L_S2 = (secret_len + 1) / 2;
+	S1 = secret;
+	S2 = secret + L_S1;
+	if (secret_len & 1) {
+		/* The last byte of S1 will be shared with S2 */
+		S2--;
+	}
+
+	hmac_md5_vector_non_fips_allow(S1, L_S1, 2, &MD5_addr[1], &MD5_len[1],
+				       A_MD5);
+	hmac_sha1_vector(S2, L_S2, 2, &SHA1_addr[1], &SHA1_len[1], A_SHA1);
+
+	MD5_pos = MD5_MAC_LEN;
+	SHA1_pos = SHA1_MAC_LEN;
+	for (i = 0; i < outlen; i++) {
+		if (MD5_pos == MD5_MAC_LEN) {
+			hmac_md5_vector_non_fips_allow(S1, L_S1, 3, MD5_addr,
+						       MD5_len, P_MD5);
+			MD5_pos = 0;
+			hmac_md5_non_fips_allow(S1, L_S1, A_MD5, MD5_MAC_LEN,
+						A_MD5);
+		}
+		if (SHA1_pos == SHA1_MAC_LEN) {
+			hmac_sha1_vector(S2, L_S2, 3, SHA1_addr, SHA1_len,
+					 P_SHA1);
+			SHA1_pos = 0;
+			hmac_sha1(S2, L_S2, A_SHA1, SHA1_MAC_LEN, A_SHA1);
+		}
+
+		out[i] = P_MD5[MD5_pos] ^ P_SHA1[SHA1_pos];
+
+		MD5_pos++;
+		SHA1_pos++;
+	}
+
+	return 0;
+}
diff --git a/src/crypto/sha1-tprf.c b/src/crypto/sha1-tprf.c
new file mode 100644
index 0000000..4a80e96
--- /dev/null
+++ b/src/crypto/sha1-tprf.c
@@ -0,0 +1,76 @@
+/*
+ * SHA1 T-PRF for EAP-FAST
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "sha1.h"
+#include "crypto.h"
+
+/**
+ * sha1_t_prf - EAP-FAST Pseudo-Random Function (T-PRF)
+ * @key: Key for PRF
+ * @key_len: Length of the key in bytes
+ * @label: A unique label for each purpose of the PRF
+ * @seed: Seed value to bind into the key
+ * @seed_len: Length of the seed
+ * @buf: Buffer for the generated pseudo-random key
+ * @buf_len: Number of bytes of key to generate
+ * Returns: 0 on success, -1 of failure
+ *
+ * This function is used to derive new, cryptographically separate keys from a
+ * given key for EAP-FAST. T-PRF is defined in RFC 4851, Section 5.5.
+ */
+int sha1_t_prf(const u8 *key, size_t key_len, const char *label,
+	       const u8 *seed, size_t seed_len, u8 *buf, size_t buf_len)
+{
+	unsigned char counter = 0;
+	size_t pos, plen;
+	u8 hash[SHA1_MAC_LEN];
+	size_t label_len = os_strlen(label);
+	u8 output_len[2];
+	const unsigned char *addr[5];
+	size_t len[5];
+
+	addr[0] = hash;
+	len[0] = 0;
+	addr[1] = (unsigned char *) label;
+	len[1] = label_len + 1;
+	addr[2] = seed;
+	len[2] = seed_len;
+	addr[3] = output_len;
+	len[3] = 2;
+	addr[4] = &counter;
+	len[4] = 1;
+
+	output_len[0] = (buf_len >> 8) & 0xff;
+	output_len[1] = buf_len & 0xff;
+	pos = 0;
+	while (pos < buf_len) {
+		counter++;
+		plen = buf_len - pos;
+		if (hmac_sha1_vector(key, key_len, 5, addr, len, hash))
+			return -1;
+		if (plen >= SHA1_MAC_LEN) {
+			os_memcpy(&buf[pos], hash, SHA1_MAC_LEN);
+			pos += SHA1_MAC_LEN;
+		} else {
+			os_memcpy(&buf[pos], hash, plen);
+			break;
+		}
+		len[0] = SHA1_MAC_LEN;
+	}
+
+	return 0;
+}
diff --git a/src/crypto/sha1.c b/src/crypto/sha1.c
new file mode 100644
index 0000000..fe00bdb
--- /dev/null
+++ b/src/crypto/sha1.c
@@ -0,0 +1,163 @@
+/*
+ * SHA1 hash implementation and interface functions
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "sha1.h"
+#include "crypto.h"
+
+
+/**
+ * hmac_sha1_vector - HMAC-SHA1 over data vector (RFC 2104)
+ * @key: Key for HMAC operations
+ * @key_len: Length of the key in bytes
+ * @num_elem: Number of elements in the data vector
+ * @addr: Pointers to the data areas
+ * @len: Lengths of the data blocks
+ * @mac: Buffer for the hash (20 bytes)
+ * Returns: 0 on success, -1 on failure
+ */
+int hmac_sha1_vector(const u8 *key, size_t key_len, size_t num_elem,
+		     const u8 *addr[], const size_t *len, u8 *mac)
+{
+	unsigned char k_pad[64]; /* padding - key XORd with ipad/opad */
+	unsigned char tk[20];
+	const u8 *_addr[6];
+	size_t _len[6], i;
+
+	if (num_elem > 5) {
+		/*
+		 * Fixed limit on the number of fragments to avoid having to
+		 * allocate memory (which could fail).
+		 */
+		return -1;
+	}
+
+        /* if key is longer than 64 bytes reset it to key = SHA1(key) */
+        if (key_len > 64) {
+		if (sha1_vector(1, &key, &key_len, tk))
+			return -1;
+		key = tk;
+		key_len = 20;
+        }
+
+	/* the HMAC_SHA1 transform looks like:
+	 *
+	 * SHA1(K XOR opad, SHA1(K XOR ipad, text))
+	 *
+	 * where K is an n byte key
+	 * ipad is the byte 0x36 repeated 64 times
+	 * opad is the byte 0x5c repeated 64 times
+	 * and text is the data being protected */
+
+	/* start out by storing key in ipad */
+	os_memset(k_pad, 0, sizeof(k_pad));
+	os_memcpy(k_pad, key, key_len);
+	/* XOR key with ipad values */
+	for (i = 0; i < 64; i++)
+		k_pad[i] ^= 0x36;
+
+	/* perform inner SHA1 */
+	_addr[0] = k_pad;
+	_len[0] = 64;
+	for (i = 0; i < num_elem; i++) {
+		_addr[i + 1] = addr[i];
+		_len[i + 1] = len[i];
+	}
+	if (sha1_vector(1 + num_elem, _addr, _len, mac))
+		return -1;
+
+	os_memset(k_pad, 0, sizeof(k_pad));
+	os_memcpy(k_pad, key, key_len);
+	/* XOR key with opad values */
+	for (i = 0; i < 64; i++)
+		k_pad[i] ^= 0x5c;
+
+	/* perform outer SHA1 */
+	_addr[0] = k_pad;
+	_len[0] = 64;
+	_addr[1] = mac;
+	_len[1] = SHA1_MAC_LEN;
+	return sha1_vector(2, _addr, _len, mac);
+}
+
+
+/**
+ * hmac_sha1 - HMAC-SHA1 over data buffer (RFC 2104)
+ * @key: Key for HMAC operations
+ * @key_len: Length of the key in bytes
+ * @data: Pointers to the data area
+ * @data_len: Length of the data area
+ * @mac: Buffer for the hash (20 bytes)
+ * Returns: 0 on success, -1 of failure
+ */
+int hmac_sha1(const u8 *key, size_t key_len, const u8 *data, size_t data_len,
+	       u8 *mac)
+{
+	return hmac_sha1_vector(key, key_len, 1, &data, &data_len, mac);
+}
+
+
+/**
+ * sha1_prf - SHA1-based Pseudo-Random Function (PRF) (IEEE 802.11i, 8.5.1.1)
+ * @key: Key for PRF
+ * @key_len: Length of the key in bytes
+ * @label: A unique label for each purpose of the PRF
+ * @data: Extra data to bind into the key
+ * @data_len: Length of the data
+ * @buf: Buffer for the generated pseudo-random key
+ * @buf_len: Number of bytes of key to generate
+ * Returns: 0 on success, -1 of failure
+ *
+ * This function is used to derive new, cryptographically separate keys from a
+ * given key (e.g., PMK in IEEE 802.11i).
+ */
+int sha1_prf(const u8 *key, size_t key_len, const char *label,
+	     const u8 *data, size_t data_len, u8 *buf, size_t buf_len)
+{
+	u8 counter = 0;
+	size_t pos, plen;
+	u8 hash[SHA1_MAC_LEN];
+	size_t label_len = os_strlen(label) + 1;
+	const unsigned char *addr[3];
+	size_t len[3];
+
+	addr[0] = (u8 *) label;
+	len[0] = label_len;
+	addr[1] = data;
+	len[1] = data_len;
+	addr[2] = &counter;
+	len[2] = 1;
+
+	pos = 0;
+	while (pos < buf_len) {
+		plen = buf_len - pos;
+		if (plen >= SHA1_MAC_LEN) {
+			if (hmac_sha1_vector(key, key_len, 3, addr, len,
+					     &buf[pos]))
+				return -1;
+			pos += SHA1_MAC_LEN;
+		} else {
+			if (hmac_sha1_vector(key, key_len, 3, addr, len,
+					     hash))
+				return -1;
+			os_memcpy(&buf[pos], hash, plen);
+			break;
+		}
+		counter++;
+	}
+
+	return 0;
+}
diff --git a/src/crypto/sha1.h b/src/crypto/sha1.h
new file mode 100644
index 0000000..c1a6233
--- /dev/null
+++ b/src/crypto/sha1.h
@@ -0,0 +1,33 @@
+/*
+ * SHA1 hash implementation and interface functions
+ * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef SHA1_H
+#define SHA1_H
+
+#define SHA1_MAC_LEN 20
+
+int hmac_sha1_vector(const u8 *key, size_t key_len, size_t num_elem,
+		     const u8 *addr[], const size_t *len, u8 *mac);
+int hmac_sha1(const u8 *key, size_t key_len, const u8 *data, size_t data_len,
+	       u8 *mac);
+int sha1_prf(const u8 *key, size_t key_len, const char *label,
+	     const u8 *data, size_t data_len, u8 *buf, size_t buf_len);
+int sha1_t_prf(const u8 *key, size_t key_len, const char *label,
+	       const u8 *seed, size_t seed_len, u8 *buf, size_t buf_len);
+int __must_check tls_prf(const u8 *secret, size_t secret_len,
+			 const char *label, const u8 *seed, size_t seed_len,
+			 u8 *out, size_t outlen);
+int pbkdf2_sha1(const char *passphrase, const char *ssid, size_t ssid_len,
+		int iterations, u8 *buf, size_t buflen);
+#endif /* SHA1_H */
diff --git a/src/crypto/sha1_i.h b/src/crypto/sha1_i.h
new file mode 100644
index 0000000..ec2f82f
--- /dev/null
+++ b/src/crypto/sha1_i.h
@@ -0,0 +1,29 @@
+/*
+ * SHA1 internal definitions
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef SHA1_I_H
+#define SHA1_I_H
+
+struct SHA1Context {
+	u32 state[5];
+	u32 count[2];
+	unsigned char buffer[64];
+};
+
+void SHA1Init(struct SHA1Context *context);
+void SHA1Update(struct SHA1Context *context, const void *data, u32 len);
+void SHA1Final(unsigned char digest[20], struct SHA1Context *context);
+void SHA1Transform(u32 state[5], const unsigned char buffer[64]);
+
+#endif /* SHA1_I_H */
diff --git a/src/crypto/sha256-internal.c b/src/crypto/sha256-internal.c
new file mode 100644
index 0000000..b061373
--- /dev/null
+++ b/src/crypto/sha256-internal.c
@@ -0,0 +1,243 @@
+/*
+ * SHA-256 hash implementation and interface functions
+ * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "sha256.h"
+#include "crypto.h"
+
+struct sha256_state {
+	u64 length;
+	u32 state[8], curlen;
+	u8 buf[64];
+};
+
+static void sha256_init(struct sha256_state *md);
+static int sha256_process(struct sha256_state *md, const unsigned char *in,
+			  unsigned long inlen);
+static int sha256_done(struct sha256_state *md, unsigned char *out);
+
+
+/**
+ * sha256_vector - SHA256 hash for data vector
+ * @num_elem: Number of elements in the data vector
+ * @addr: Pointers to the data areas
+ * @len: Lengths of the data blocks
+ * @mac: Buffer for the hash
+ * Returns: 0 on success, -1 of failure
+ */
+int sha256_vector(size_t num_elem, const u8 *addr[], const size_t *len,
+		  u8 *mac)
+{
+	struct sha256_state ctx;
+	size_t i;
+
+	sha256_init(&ctx);
+	for (i = 0; i < num_elem; i++)
+		if (sha256_process(&ctx, addr[i], len[i]))
+			return -1;
+	if (sha256_done(&ctx, mac))
+		return -1;
+	return 0;
+}
+
+
+/* ===== start - public domain SHA256 implementation ===== */
+
+/* This is based on SHA256 implementation in LibTomCrypt that was released into
+ * public domain by Tom St Denis. */
+
+/* the K array */
+static const unsigned long K[64] = {
+	0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL, 0x3956c25bUL,
+	0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL, 0xd807aa98UL, 0x12835b01UL,
+	0x243185beUL, 0x550c7dc3UL, 0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL,
+	0xc19bf174UL, 0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL,
+	0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL, 0x983e5152UL,
+	0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL, 0xc6e00bf3UL, 0xd5a79147UL,
+	0x06ca6351UL, 0x14292967UL, 0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL,
+	0x53380d13UL, 0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL,
+	0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL, 0xd192e819UL,
+	0xd6990624UL, 0xf40e3585UL, 0x106aa070UL, 0x19a4c116UL, 0x1e376c08UL,
+	0x2748774cUL, 0x34b0bcb5UL, 0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL,
+	0x682e6ff3UL, 0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL,
+	0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL
+};
+
+
+/* Various logical functions */
+#define RORc(x, y) \
+( ((((unsigned long) (x) & 0xFFFFFFFFUL) >> (unsigned long) ((y) & 31)) | \
+   ((unsigned long) (x) << (unsigned long) (32 - ((y) & 31)))) & 0xFFFFFFFFUL)
+#define Ch(x,y,z)       (z ^ (x & (y ^ z)))
+#define Maj(x,y,z)      (((x | y) & z) | (x & y)) 
+#define S(x, n)         RORc((x), (n))
+#define R(x, n)         (((x)&0xFFFFFFFFUL)>>(n))
+#define Sigma0(x)       (S(x, 2) ^ S(x, 13) ^ S(x, 22))
+#define Sigma1(x)       (S(x, 6) ^ S(x, 11) ^ S(x, 25))
+#define Gamma0(x)       (S(x, 7) ^ S(x, 18) ^ R(x, 3))
+#define Gamma1(x)       (S(x, 17) ^ S(x, 19) ^ R(x, 10))
+#ifndef MIN
+#define MIN(x, y) (((x) < (y)) ? (x) : (y))
+#endif
+
+/* compress 512-bits */
+static int sha256_compress(struct sha256_state *md, unsigned char *buf)
+{
+	u32 S[8], W[64], t0, t1;
+	u32 t;
+	int i;
+
+	/* copy state into S */
+	for (i = 0; i < 8; i++) {
+		S[i] = md->state[i];
+	}
+
+	/* copy the state into 512-bits into W[0..15] */
+	for (i = 0; i < 16; i++)
+		W[i] = WPA_GET_BE32(buf + (4 * i));
+
+	/* fill W[16..63] */
+	for (i = 16; i < 64; i++) {
+		W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) +
+			W[i - 16];
+	}        
+
+	/* Compress */
+#define RND(a,b,c,d,e,f,g,h,i)                          \
+	t0 = h + Sigma1(e) + Ch(e, f, g) + K[i] + W[i];	\
+	t1 = Sigma0(a) + Maj(a, b, c);			\
+	d += t0;					\
+	h  = t0 + t1;
+
+	for (i = 0; i < 64; ++i) {
+		RND(S[0], S[1], S[2], S[3], S[4], S[5], S[6], S[7], i);
+		t = S[7]; S[7] = S[6]; S[6] = S[5]; S[5] = S[4]; 
+		S[4] = S[3]; S[3] = S[2]; S[2] = S[1]; S[1] = S[0]; S[0] = t;
+	}
+
+	/* feedback */
+	for (i = 0; i < 8; i++) {
+		md->state[i] = md->state[i] + S[i];
+	}
+	return 0;
+}
+
+
+/* Initialize the hash state */
+static void sha256_init(struct sha256_state *md)
+{
+	md->curlen = 0;
+	md->length = 0;
+	md->state[0] = 0x6A09E667UL;
+	md->state[1] = 0xBB67AE85UL;
+	md->state[2] = 0x3C6EF372UL;
+	md->state[3] = 0xA54FF53AUL;
+	md->state[4] = 0x510E527FUL;
+	md->state[5] = 0x9B05688CUL;
+	md->state[6] = 0x1F83D9ABUL;
+	md->state[7] = 0x5BE0CD19UL;
+}
+
+/**
+   Process a block of memory though the hash
+   @param md     The hash state
+   @param in     The data to hash
+   @param inlen  The length of the data (octets)
+   @return CRYPT_OK if successful
+*/
+static int sha256_process(struct sha256_state *md, const unsigned char *in,
+			  unsigned long inlen)
+{
+	unsigned long n;
+#define block_size 64
+
+	if (md->curlen > sizeof(md->buf))
+		return -1;
+
+	while (inlen > 0) {
+		if (md->curlen == 0 && inlen >= block_size) {
+			if (sha256_compress(md, (unsigned char *) in) < 0)
+				return -1;
+			md->length += block_size * 8;
+			in += block_size;
+			inlen -= block_size;
+		} else {
+			n = MIN(inlen, (block_size - md->curlen));
+			os_memcpy(md->buf + md->curlen, in, n);
+			md->curlen += n;
+			in += n;
+			inlen -= n;
+			if (md->curlen == block_size) {
+				if (sha256_compress(md, md->buf) < 0)
+					return -1;
+				md->length += 8 * block_size;
+				md->curlen = 0;
+			}
+		}
+	}
+
+	return 0;
+}
+
+
+/**
+   Terminate the hash to get the digest
+   @param md  The hash state
+   @param out [out] The destination of the hash (32 bytes)
+   @return CRYPT_OK if successful
+*/
+static int sha256_done(struct sha256_state *md, unsigned char *out)
+{
+	int i;
+
+	if (md->curlen >= sizeof(md->buf))
+		return -1;
+
+	/* increase the length of the message */
+	md->length += md->curlen * 8;
+
+	/* append the '1' bit */
+	md->buf[md->curlen++] = (unsigned char) 0x80;
+
+	/* if the length is currently above 56 bytes we append zeros
+	 * then compress.  Then we can fall back to padding zeros and length
+	 * encoding like normal.
+	 */
+	if (md->curlen > 56) {
+		while (md->curlen < 64) {
+			md->buf[md->curlen++] = (unsigned char) 0;
+		}
+		sha256_compress(md, md->buf);
+		md->curlen = 0;
+	}
+
+	/* pad upto 56 bytes of zeroes */
+	while (md->curlen < 56) {
+		md->buf[md->curlen++] = (unsigned char) 0;
+	}
+
+	/* store length */
+	WPA_PUT_BE64(md->buf + 56, md->length);
+	sha256_compress(md, md->buf);
+
+	/* copy output */
+	for (i = 0; i < 8; i++)
+		WPA_PUT_BE32(out + (4 * i), md->state[i]);
+
+	return 0;
+}
+
+/* ===== end - public domain SHA256 implementation ===== */
diff --git a/src/crypto/sha256.c b/src/crypto/sha256.c
new file mode 100644
index 0000000..7f320f9
--- /dev/null
+++ b/src/crypto/sha256.c
@@ -0,0 +1,157 @@
+/*
+ * SHA-256 hash implementation and interface functions
+ * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "sha256.h"
+#include "crypto.h"
+
+
+/**
+ * hmac_sha256_vector - HMAC-SHA256 over data vector (RFC 2104)
+ * @key: Key for HMAC operations
+ * @key_len: Length of the key in bytes
+ * @num_elem: Number of elements in the data vector
+ * @addr: Pointers to the data areas
+ * @len: Lengths of the data blocks
+ * @mac: Buffer for the hash (32 bytes)
+ */
+void hmac_sha256_vector(const u8 *key, size_t key_len, size_t num_elem,
+			const u8 *addr[], const size_t *len, u8 *mac)
+{
+	unsigned char k_pad[64]; /* padding - key XORd with ipad/opad */
+	unsigned char tk[32];
+	const u8 *_addr[6];
+	size_t _len[6], i;
+
+	if (num_elem > 5) {
+		/*
+		 * Fixed limit on the number of fragments to avoid having to
+		 * allocate memory (which could fail).
+		 */
+		return;
+	}
+
+        /* if key is longer than 64 bytes reset it to key = SHA256(key) */
+        if (key_len > 64) {
+		sha256_vector(1, &key, &key_len, tk);
+		key = tk;
+		key_len = 32;
+        }
+
+	/* the HMAC_SHA256 transform looks like:
+	 *
+	 * SHA256(K XOR opad, SHA256(K XOR ipad, text))
+	 *
+	 * where K is an n byte key
+	 * ipad is the byte 0x36 repeated 64 times
+	 * opad is the byte 0x5c repeated 64 times
+	 * and text is the data being protected */
+
+	/* start out by storing key in ipad */
+	os_memset(k_pad, 0, sizeof(k_pad));
+	os_memcpy(k_pad, key, key_len);
+	/* XOR key with ipad values */
+	for (i = 0; i < 64; i++)
+		k_pad[i] ^= 0x36;
+
+	/* perform inner SHA256 */
+	_addr[0] = k_pad;
+	_len[0] = 64;
+	for (i = 0; i < num_elem; i++) {
+		_addr[i + 1] = addr[i];
+		_len[i + 1] = len[i];
+	}
+	sha256_vector(1 + num_elem, _addr, _len, mac);
+
+	os_memset(k_pad, 0, sizeof(k_pad));
+	os_memcpy(k_pad, key, key_len);
+	/* XOR key with opad values */
+	for (i = 0; i < 64; i++)
+		k_pad[i] ^= 0x5c;
+
+	/* perform outer SHA256 */
+	_addr[0] = k_pad;
+	_len[0] = 64;
+	_addr[1] = mac;
+	_len[1] = SHA256_MAC_LEN;
+	sha256_vector(2, _addr, _len, mac);
+}
+
+
+/**
+ * hmac_sha256 - HMAC-SHA256 over data buffer (RFC 2104)
+ * @key: Key for HMAC operations
+ * @key_len: Length of the key in bytes
+ * @data: Pointers to the data area
+ * @data_len: Length of the data area
+ * @mac: Buffer for the hash (20 bytes)
+ */
+void hmac_sha256(const u8 *key, size_t key_len, const u8 *data,
+		 size_t data_len, u8 *mac)
+{
+	hmac_sha256_vector(key, key_len, 1, &data, &data_len, mac);
+}
+
+
+/**
+ * sha256_prf - SHA256-based Pseudo-Random Function (IEEE 802.11r, 8.5.1.5.2)
+ * @key: Key for PRF
+ * @key_len: Length of the key in bytes
+ * @label: A unique label for each purpose of the PRF
+ * @data: Extra data to bind into the key
+ * @data_len: Length of the data
+ * @buf: Buffer for the generated pseudo-random key
+ * @buf_len: Number of bytes of key to generate
+ *
+ * This function is used to derive new, cryptographically separate keys from a
+ * given key.
+ */
+void sha256_prf(const u8 *key, size_t key_len, const char *label,
+		const u8 *data, size_t data_len, u8 *buf, size_t buf_len)
+{
+	u16 counter = 1;
+	size_t pos, plen;
+	u8 hash[SHA256_MAC_LEN];
+	const u8 *addr[4];
+	size_t len[4];
+	u8 counter_le[2], length_le[2];
+
+	addr[0] = counter_le;
+	len[0] = 2;
+	addr[1] = (u8 *) label;
+	len[1] = os_strlen(label);
+	addr[2] = data;
+	len[2] = data_len;
+	addr[3] = length_le;
+	len[3] = sizeof(length_le);
+
+	WPA_PUT_LE16(length_le, buf_len * 8);
+	pos = 0;
+	while (pos < buf_len) {
+		plen = buf_len - pos;
+		WPA_PUT_LE16(counter_le, counter);
+		if (plen >= SHA256_MAC_LEN) {
+			hmac_sha256_vector(key, key_len, 4, addr, len,
+					   &buf[pos]);
+			pos += SHA256_MAC_LEN;
+		} else {
+			hmac_sha256_vector(key, key_len, 4, addr, len, hash);
+			os_memcpy(&buf[pos], hash, plen);
+			break;
+		}
+		counter++;
+	}
+}
diff --git a/src/crypto/sha256.h b/src/crypto/sha256.h
new file mode 100644
index 0000000..dc597f0
--- /dev/null
+++ b/src/crypto/sha256.h
@@ -0,0 +1,27 @@
+/*
+ * SHA256 hash implementation and interface functions
+ * Copyright (c) 2003-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef SHA256_H
+#define SHA256_H
+
+#define SHA256_MAC_LEN 32
+
+void hmac_sha256_vector(const u8 *key, size_t key_len, size_t num_elem,
+		      const u8 *addr[], const size_t *len, u8 *mac);
+void hmac_sha256(const u8 *key, size_t key_len, const u8 *data,
+		 size_t data_len, u8 *mac);
+void sha256_prf(const u8 *key, size_t key_len, const char *label,
+	      const u8 *data, size_t data_len, u8 *buf, size_t buf_len);
+
+#endif /* SHA256_H */
diff --git a/src/crypto/tls.h b/src/crypto/tls.h
new file mode 100644
index 0000000..0928b5b
--- /dev/null
+++ b/src/crypto/tls.h
@@ -0,0 +1,569 @@
+/*
+ * SSL/TLS interface definition
+ * Copyright (c) 2004-2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef TLS_H
+#define TLS_H
+
+struct tls_connection;
+
+struct tls_keys {
+	const u8 *master_key; /* TLS master secret */
+	size_t master_key_len;
+	const u8 *client_random;
+	size_t client_random_len;
+	const u8 *server_random;
+	size_t server_random_len;
+	const u8 *inner_secret; /* TLS/IA inner secret */
+	size_t inner_secret_len;
+};
+
+enum tls_event {
+	TLS_CERT_CHAIN_FAILURE,
+	TLS_PEER_CERTIFICATE
+};
+
+/*
+ * Note: These are used as identifier with external programs and as such, the
+ * values must not be changed.
+ */
+enum tls_fail_reason {
+	TLS_FAIL_UNSPECIFIED = 0,
+	TLS_FAIL_UNTRUSTED = 1,
+	TLS_FAIL_REVOKED = 2,
+	TLS_FAIL_NOT_YET_VALID = 3,
+	TLS_FAIL_EXPIRED = 4,
+	TLS_FAIL_SUBJECT_MISMATCH = 5,
+	TLS_FAIL_ALTSUBJECT_MISMATCH = 6,
+	TLS_FAIL_BAD_CERTIFICATE = 7,
+	TLS_FAIL_SERVER_CHAIN_PROBE = 8
+};
+
+union tls_event_data {
+	struct {
+		int depth;
+		const char *subject;
+		enum tls_fail_reason reason;
+		const char *reason_txt;
+		const struct wpabuf *cert;
+	} cert_fail;
+
+	struct {
+		int depth;
+		const char *subject;
+		const struct wpabuf *cert;
+		const u8 *hash;
+		size_t hash_len;
+	} peer_cert;
+};
+
+struct tls_config {
+	const char *opensc_engine_path;
+	const char *pkcs11_engine_path;
+	const char *pkcs11_module_path;
+	int fips_mode;
+
+	void (*event_cb)(void *ctx, enum tls_event ev,
+			 union tls_event_data *data);
+	void *cb_ctx;
+};
+
+#define TLS_CONN_ALLOW_SIGN_RSA_MD5 BIT(0)
+#define TLS_CONN_DISABLE_TIME_CHECKS BIT(1)
+
+/**
+ * struct tls_connection_params - Parameters for TLS connection
+ * @ca_cert: File or reference name for CA X.509 certificate in PEM or DER
+ * format
+ * @ca_cert_blob: ca_cert as inlined data or %NULL if not used
+ * @ca_cert_blob_len: ca_cert_blob length
+ * @ca_path: Path to CA certificates (OpenSSL specific)
+ * @subject_match: String to match in the subject of the peer certificate or
+ * %NULL to allow all subjects
+ * @altsubject_match: String to match in the alternative subject of the peer
+ * certificate or %NULL to allow all alternative subjects
+ * @client_cert: File or reference name for client X.509 certificate in PEM or
+ * DER format
+ * @client_cert_blob: client_cert as inlined data or %NULL if not used
+ * @client_cert_blob_len: client_cert_blob length
+ * @private_key: File or reference name for client private key in PEM or DER
+ * format (traditional format (RSA PRIVATE KEY) or PKCS#8 (PRIVATE KEY)
+ * @private_key_blob: private_key as inlined data or %NULL if not used
+ * @private_key_blob_len: private_key_blob length
+ * @private_key_passwd: Passphrase for decrypted private key, %NULL if no
+ * passphrase is used.
+ * @dh_file: File name for DH/DSA data in PEM format, or %NULL if not used
+ * @dh_blob: dh_file as inlined data or %NULL if not used
+ * @dh_blob_len: dh_blob length
+ * @engine: 1 = use engine (e.g., a smartcard) for private key operations
+ * (this is OpenSSL specific for now)
+ * @engine_id: engine id string (this is OpenSSL specific for now)
+ * @ppin: pointer to the pin variable in the configuration
+ * (this is OpenSSL specific for now)
+ * @key_id: the private key's id when using engine (this is OpenSSL
+ * specific for now)
+ * @cert_id: the certificate's id when using engine
+ * @ca_cert_id: the CA certificate's id when using engine
+ * @tls_ia: Whether to enable TLS/IA (for EAP-TTLSv1)
+ * @flags: Parameter options (TLS_CONN_*)
+ *
+ * TLS connection parameters to be configured with tls_connection_set_params()
+ * and tls_global_set_params().
+ *
+ * Certificates and private key can be configured either as a reference name
+ * (file path or reference to certificate store) or by providing the same data
+ * as a pointer to the data in memory. Only one option will be used for each
+ * field.
+ */
+struct tls_connection_params {
+	const char *ca_cert;
+	const u8 *ca_cert_blob;
+	size_t ca_cert_blob_len;
+	const char *ca_path;
+	const char *subject_match;
+	const char *altsubject_match;
+	const char *client_cert;
+	const u8 *client_cert_blob;
+	size_t client_cert_blob_len;
+	const char *private_key;
+	const u8 *private_key_blob;
+	size_t private_key_blob_len;
+	const char *private_key_passwd;
+	const char *dh_file;
+	const u8 *dh_blob;
+	size_t dh_blob_len;
+	int tls_ia;
+
+	/* OpenSSL specific variables */
+	int engine;
+	const char *engine_id;
+	const char *pin;
+	const char *key_id;
+	const char *cert_id;
+	const char *ca_cert_id;
+
+	unsigned int flags;
+};
+
+
+/**
+ * tls_init - Initialize TLS library
+ * @conf: Configuration data for TLS library
+ * Returns: Context data to be used as tls_ctx in calls to other functions,
+ * or %NULL on failure.
+ *
+ * Called once during program startup and once for each RSN pre-authentication
+ * session. In other words, there can be two concurrent TLS contexts. If global
+ * library initialization is needed (i.e., one that is shared between both
+ * authentication types), the TLS library wrapper should maintain a reference
+ * counter and do global initialization only when moving from 0 to 1 reference.
+ */
+void * tls_init(const struct tls_config *conf);
+
+/**
+ * tls_deinit - Deinitialize TLS library
+ * @tls_ctx: TLS context data from tls_init()
+ *
+ * Called once during program shutdown and once for each RSN pre-authentication
+ * session. If global library deinitialization is needed (i.e., one that is
+ * shared between both authentication types), the TLS library wrapper should
+ * maintain a reference counter and do global deinitialization only when moving
+ * from 1 to 0 references.
+ */
+void tls_deinit(void *tls_ctx);
+
+/**
+ * tls_get_errors - Process pending errors
+ * @tls_ctx: TLS context data from tls_init()
+ * Returns: Number of found error, 0 if no errors detected.
+ *
+ * Process all pending TLS errors.
+ */
+int tls_get_errors(void *tls_ctx);
+
+/**
+ * tls_connection_init - Initialize a new TLS connection
+ * @tls_ctx: TLS context data from tls_init()
+ * Returns: Connection context data, conn for other function calls
+ */
+struct tls_connection * tls_connection_init(void *tls_ctx);
+
+/**
+ * tls_connection_deinit - Free TLS connection data
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ *
+ * Release all resources allocated for TLS connection.
+ */
+void tls_connection_deinit(void *tls_ctx, struct tls_connection *conn);
+
+/**
+ * tls_connection_established - Has the TLS connection been completed?
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * Returns: 1 if TLS connection has been completed, 0 if not.
+ */
+int tls_connection_established(void *tls_ctx, struct tls_connection *conn);
+
+/**
+ * tls_connection_shutdown - Shutdown TLS connection
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * Returns: 0 on success, -1 on failure
+ *
+ * Shutdown current TLS connection without releasing all resources. New
+ * connection can be started by using the same conn without having to call
+ * tls_connection_init() or setting certificates etc. again. The new
+ * connection should try to use session resumption.
+ */
+int tls_connection_shutdown(void *tls_ctx, struct tls_connection *conn);
+
+enum {
+	TLS_SET_PARAMS_ENGINE_PRV_VERIFY_FAILED = -3,
+	TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED = -2
+};
+
+/**
+ * tls_connection_set_params - Set TLS connection parameters
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * @params: Connection parameters
+ * Returns: 0 on success, -1 on failure,
+ * TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED (-2) on possible PIN error causing
+ * PKCS#11 engine failure, or
+ * TLS_SET_PARAMS_ENGINE_PRV_VERIFY_FAILED (-3) on failure to verify the
+ * PKCS#11 engine private key.
+ */
+int __must_check
+tls_connection_set_params(void *tls_ctx, struct tls_connection *conn,
+			  const struct tls_connection_params *params);
+
+/**
+ * tls_global_set_params - Set TLS parameters for all TLS connection
+ * @tls_ctx: TLS context data from tls_init()
+ * @params: Global TLS parameters
+ * Returns: 0 on success, -1 on failure,
+ * TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED (-2) on possible PIN error causing
+ * PKCS#11 engine failure, or
+ * TLS_SET_PARAMS_ENGINE_PRV_VERIFY_FAILED (-3) on failure to verify the
+ * PKCS#11 engine private key.
+ */
+int __must_check tls_global_set_params(
+	void *tls_ctx, const struct tls_connection_params *params);
+
+/**
+ * tls_global_set_verify - Set global certificate verification options
+ * @tls_ctx: TLS context data from tls_init()
+ * @check_crl: 0 = do not verify CRLs, 1 = verify CRL for the user certificate,
+ * 2 = verify CRL for all certificates
+ * Returns: 0 on success, -1 on failure
+ */
+int __must_check tls_global_set_verify(void *tls_ctx, int check_crl);
+
+/**
+ * tls_connection_set_verify - Set certificate verification options
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * @verify_peer: 1 = verify peer certificate
+ * Returns: 0 on success, -1 on failure
+ */
+int __must_check tls_connection_set_verify(void *tls_ctx,
+					   struct tls_connection *conn,
+					   int verify_peer);
+
+/**
+ * tls_connection_set_ia - Set TLS/IA parameters
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * @tls_ia: 1 = enable TLS/IA
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is used to configure TLS/IA in server mode where
+ * tls_connection_set_params() is not used.
+ */
+int __must_check tls_connection_set_ia(void *tls_ctx,
+				       struct tls_connection *conn,
+				       int tls_ia);
+
+/**
+ * tls_connection_get_keys - Get master key and random data from TLS connection
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * @keys: Structure of key/random data (filled on success)
+ * Returns: 0 on success, -1 on failure
+ */
+int __must_check tls_connection_get_keys(void *tls_ctx,
+					 struct tls_connection *conn,
+					 struct tls_keys *keys);
+
+/**
+ * tls_connection_prf - Use TLS-PRF to derive keying material
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * @label: Label (e.g., description of the key) for PRF
+ * @server_random_first: seed is 0 = client_random|server_random,
+ * 1 = server_random|client_random
+ * @out: Buffer for output data from TLS-PRF
+ * @out_len: Length of the output buffer
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is optional to implement if tls_connection_get_keys() provides
+ * access to master secret and server/client random values. If these values are
+ * not exported from the TLS library, tls_connection_prf() is required so that
+ * further keying material can be derived from the master secret. If not
+ * implemented, the function will still need to be defined, but it can just
+ * return -1. Example implementation of this function is in tls_prf() function
+ * when it is called with seed set to client_random|server_random (or
+ * server_random|client_random).
+ */
+int __must_check  tls_connection_prf(void *tls_ctx,
+				     struct tls_connection *conn,
+				     const char *label,
+				     int server_random_first,
+				     u8 *out, size_t out_len);
+
+/**
+ * tls_connection_handshake - Process TLS handshake (client side)
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * @in_data: Input data from TLS server
+ * @appl_data: Pointer to application data pointer, or %NULL if dropped
+ * Returns: Output data, %NULL on failure
+ *
+ * The caller is responsible for freeing the returned output data. If the final
+ * handshake message includes application data, this is decrypted and
+ * appl_data (if not %NULL) is set to point this data. The caller is
+ * responsible for freeing appl_data.
+ *
+ * This function is used during TLS handshake. The first call is done with
+ * in_data == %NULL and the library is expected to return ClientHello packet.
+ * This packet is then send to the server and a response from server is given
+ * to TLS library by calling this function again with in_data pointing to the
+ * TLS message from the server.
+ *
+ * If the TLS handshake fails, this function may return %NULL. However, if the
+ * TLS library has a TLS alert to send out, that should be returned as the
+ * output data. In this case, tls_connection_get_failed() must return failure
+ * (> 0).
+ *
+ * tls_connection_established() should return 1 once the TLS handshake has been
+ * completed successfully.
+ */
+struct wpabuf * tls_connection_handshake(void *tls_ctx,
+					 struct tls_connection *conn,
+					 const struct wpabuf *in_data,
+					 struct wpabuf **appl_data);
+
+/**
+ * tls_connection_server_handshake - Process TLS handshake (server side)
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * @in_data: Input data from TLS peer
+ * @appl_data: Pointer to application data pointer, or %NULL if dropped
+ * Returns: Output data, %NULL on failure
+ *
+ * The caller is responsible for freeing the returned output data.
+ */
+struct wpabuf * tls_connection_server_handshake(void *tls_ctx,
+						struct tls_connection *conn,
+						const struct wpabuf *in_data,
+						struct wpabuf **appl_data);
+
+/**
+ * tls_connection_encrypt - Encrypt data into TLS tunnel
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * @in_data: Plaintext data to be encrypted
+ * Returns: Encrypted TLS data or %NULL on failure
+ *
+ * This function is used after TLS handshake has been completed successfully to
+ * send data in the encrypted tunnel. The caller is responsible for freeing the
+ * returned output data.
+ */
+struct wpabuf * tls_connection_encrypt(void *tls_ctx,
+				       struct tls_connection *conn,
+				       const struct wpabuf *in_data);
+
+/**
+ * tls_connection_decrypt - Decrypt data from TLS tunnel
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * @in_data: Encrypted TLS data
+ * Returns: Decrypted TLS data or %NULL on failure
+ *
+ * This function is used after TLS handshake has been completed successfully to
+ * receive data from the encrypted tunnel. The caller is responsible for
+ * freeing the returned output data.
+ */
+struct wpabuf * tls_connection_decrypt(void *tls_ctx,
+				       struct tls_connection *conn,
+				       const struct wpabuf *in_data);
+
+/**
+ * tls_connection_resumed - Was session resumption used
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * Returns: 1 if current session used session resumption, 0 if not
+ */
+int tls_connection_resumed(void *tls_ctx, struct tls_connection *conn);
+
+enum {
+	TLS_CIPHER_NONE,
+	TLS_CIPHER_RC4_SHA /* 0x0005 */,
+	TLS_CIPHER_AES128_SHA /* 0x002f */,
+	TLS_CIPHER_RSA_DHE_AES128_SHA /* 0x0031 */,
+	TLS_CIPHER_ANON_DH_AES128_SHA /* 0x0034 */
+};
+
+/**
+ * tls_connection_set_cipher_list - Configure acceptable cipher suites
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * @ciphers: Zero (TLS_CIPHER_NONE) terminated list of allowed ciphers
+ * (TLS_CIPHER_*).
+ * Returns: 0 on success, -1 on failure
+ */
+int __must_check tls_connection_set_cipher_list(void *tls_ctx,
+						struct tls_connection *conn,
+						u8 *ciphers);
+
+/**
+ * tls_get_cipher - Get current cipher name
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * @buf: Buffer for the cipher name
+ * @buflen: buf size
+ * Returns: 0 on success, -1 on failure
+ *
+ * Get the name of the currently used cipher.
+ */
+int __must_check tls_get_cipher(void *tls_ctx, struct tls_connection *conn,
+				char *buf, size_t buflen);
+
+/**
+ * tls_connection_enable_workaround - Enable TLS workaround options
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is used to enable connection-specific workaround options for
+ * buffer SSL/TLS implementations.
+ */
+int __must_check tls_connection_enable_workaround(void *tls_ctx,
+						  struct tls_connection *conn);
+
+/**
+ * tls_connection_client_hello_ext - Set TLS extension for ClientHello
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * @ext_type: Extension type
+ * @data: Extension payload (%NULL to remove extension)
+ * @data_len: Extension payload length
+ * Returns: 0 on success, -1 on failure
+ */
+int __must_check tls_connection_client_hello_ext(void *tls_ctx,
+						 struct tls_connection *conn,
+						 int ext_type, const u8 *data,
+						 size_t data_len);
+
+/**
+ * tls_connection_get_failed - Get connection failure status
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ *
+ * Returns >0 if connection has failed, 0 if not.
+ */
+int tls_connection_get_failed(void *tls_ctx, struct tls_connection *conn);
+
+/**
+ * tls_connection_get_read_alerts - Get connection read alert status
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * Returns: Number of times a fatal read (remote end reported error) has
+ * happened during this connection.
+ */
+int tls_connection_get_read_alerts(void *tls_ctx, struct tls_connection *conn);
+
+/**
+ * tls_connection_get_write_alerts - Get connection write alert status
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * Returns: Number of times a fatal write (locally detected error) has happened
+ * during this connection.
+ */
+int tls_connection_get_write_alerts(void *tls_ctx,
+				    struct tls_connection *conn);
+
+/**
+ * tls_connection_get_keyblock_size - Get TLS key_block size
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * Returns: Size of the key_block for the negotiated cipher suite or -1 on
+ * failure
+ */
+int tls_connection_get_keyblock_size(void *tls_ctx,
+				     struct tls_connection *conn);
+
+#define TLS_CAPABILITY_IA 0x0001 /* TLS Inner Application (TLS/IA) */
+/**
+ * tls_capabilities - Get supported TLS capabilities
+ * @tls_ctx: TLS context data from tls_init()
+ * Returns: Bit field of supported TLS capabilities (TLS_CAPABILITY_*)
+ */
+unsigned int tls_capabilities(void *tls_ctx);
+
+/**
+ * tls_connection_ia_send_phase_finished - Send a TLS/IA PhaseFinished message
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * @final: 1 = FinalPhaseFinished, 0 = IntermediatePhaseFinished
+ * Returns: Encrypted TLS/IA data, %NULL on failure
+ *
+ * This function is used to send the TLS/IA end phase message, e.g., when the
+ * EAP server completes EAP-TTLSv1.
+ */
+struct wpabuf * tls_connection_ia_send_phase_finished(
+	void *tls_ctx, struct tls_connection *conn, int final);
+
+/**
+ * tls_connection_ia_final_phase_finished - Has final phase been completed
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * Returns: 1 if valid FinalPhaseFinished has been received, 0 if not, or -1
+ * on failure
+ */
+int __must_check tls_connection_ia_final_phase_finished(
+	void *tls_ctx, struct tls_connection *conn);
+
+/**
+ * tls_connection_ia_permute_inner_secret - Permute TLS/IA inner secret
+ * @tls_ctx: TLS context data from tls_init()
+ * @conn: Connection context data from tls_connection_init()
+ * @key: Session key material (session_key vectors with 2-octet length), or
+ * %NULL if no session key was generating in the current phase
+ * @key_len: Length of session key material
+ * Returns: 0 on success, -1 on failure
+ */
+int __must_check tls_connection_ia_permute_inner_secret(
+	void *tls_ctx, struct tls_connection *conn,
+	const u8 *key, size_t key_len);
+
+typedef int (*tls_session_ticket_cb)
+(void *ctx, const u8 *ticket, size_t len, const u8 *client_random,
+ const u8 *server_random, u8 *master_secret);
+
+int __must_check  tls_connection_set_session_ticket_cb(
+	void *tls_ctx, struct tls_connection *conn,
+	tls_session_ticket_cb cb, void *ctx);
+
+#endif /* TLS_H */
diff --git a/src/crypto/tls_gnutls.c b/src/crypto/tls_gnutls.c
new file mode 100644
index 0000000..c3a7358
--- /dev/null
+++ b/src/crypto/tls_gnutls.c
@@ -0,0 +1,1457 @@
+/*
+ * SSL/TLS interface functions for GnuTLS
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <gnutls/gnutls.h>
+#include <gnutls/x509.h>
+#ifdef PKCS12_FUNCS
+#include <gnutls/pkcs12.h>
+#endif /* PKCS12_FUNCS */
+
+#ifdef CONFIG_GNUTLS_EXTRA
+#if LIBGNUTLS_VERSION_NUMBER >= 0x010302
+#define GNUTLS_IA
+#include <gnutls/extra.h>
+#if LIBGNUTLS_VERSION_NUMBER == 0x010302
+/* This function is not included in the current gnutls/extra.h even though it
+ * should be, so define it here as a workaround for the time being. */
+int gnutls_ia_verify_endphase(gnutls_session_t session, char *checksum);
+#endif /* LIBGNUTLS_VERSION_NUMBER == 0x010302 */
+#endif /* LIBGNUTLS_VERSION_NUMBER >= 0x010302 */
+#endif /* CONFIG_GNUTLS_EXTRA */
+
+#include "common.h"
+#include "tls.h"
+
+
+#ifndef TLS_RANDOM_SIZE
+#define TLS_RANDOM_SIZE 32
+#endif
+#ifndef TLS_MASTER_SIZE
+#define TLS_MASTER_SIZE 48
+#endif
+
+
+#if LIBGNUTLS_VERSION_NUMBER < 0x010302
+/* GnuTLS 1.3.2 added functions for using master secret. Older versions require
+ * use of internal structures to get the master_secret and
+ * {server,client}_random.
+ */
+#define GNUTLS_INTERNAL_STRUCTURE_HACK
+#endif /* LIBGNUTLS_VERSION_NUMBER < 0x010302 */
+
+
+#ifdef GNUTLS_INTERNAL_STRUCTURE_HACK
+/*
+ * It looks like gnutls does not provide access to client/server_random and
+ * master_key. This is somewhat unfortunate since these are needed for key
+ * derivation in EAP-{TLS,TTLS,PEAP,FAST}. Workaround for now is a horrible
+ * hack that copies the gnutls_session_int definition from gnutls_int.h so that
+ * we can get the needed information.
+ */
+
+typedef u8 uint8;
+typedef unsigned char opaque;
+typedef struct {
+    uint8 suite[2];
+} cipher_suite_st;
+
+typedef struct {
+	gnutls_connection_end_t entity;
+	gnutls_kx_algorithm_t kx_algorithm;
+	gnutls_cipher_algorithm_t read_bulk_cipher_algorithm;
+	gnutls_mac_algorithm_t read_mac_algorithm;
+	gnutls_compression_method_t read_compression_algorithm;
+	gnutls_cipher_algorithm_t write_bulk_cipher_algorithm;
+	gnutls_mac_algorithm_t write_mac_algorithm;
+	gnutls_compression_method_t write_compression_algorithm;
+	cipher_suite_st current_cipher_suite;
+	opaque master_secret[TLS_MASTER_SIZE];
+	opaque client_random[TLS_RANDOM_SIZE];
+	opaque server_random[TLS_RANDOM_SIZE];
+	/* followed by stuff we are not interested in */
+} security_parameters_st;
+
+struct gnutls_session_int {
+	security_parameters_st security_parameters;
+	/* followed by things we are not interested in */
+};
+#endif /* LIBGNUTLS_VERSION_NUMBER < 0x010302 */
+
+static int tls_gnutls_ref_count = 0;
+
+struct tls_global {
+	/* Data for session resumption */
+	void *session_data;
+	size_t session_data_size;
+
+	int server;
+
+	int params_set;
+	gnutls_certificate_credentials_t xcred;
+};
+
+struct tls_connection {
+	gnutls_session session;
+	char *subject_match, *altsubject_match;
+	int read_alerts, write_alerts, failed;
+
+	u8 *pre_shared_secret;
+	size_t pre_shared_secret_len;
+	int established;
+	int verify_peer;
+
+	struct wpabuf *push_buf;
+	struct wpabuf *pull_buf;
+	const u8 *pull_buf_offset;
+
+	int params_set;
+	gnutls_certificate_credentials_t xcred;
+
+	int tls_ia;
+	int final_phase_finished;
+
+#ifdef GNUTLS_IA
+	gnutls_ia_server_credentials_t iacred_srv;
+	gnutls_ia_client_credentials_t iacred_cli;
+
+	/* Session keys generated in the current phase for inner secret
+	 * permutation before generating/verifying PhaseFinished. */
+	u8 *session_keys;
+	size_t session_keys_len;
+
+	u8 inner_secret[TLS_MASTER_SIZE];
+#endif /* GNUTLS_IA */
+};
+
+
+static void tls_log_func(int level, const char *msg)
+{
+	char *s, *pos;
+	if (level == 6 || level == 7) {
+		/* These levels seem to be mostly I/O debug and msg dumps */
+		return;
+	}
+
+	s = os_strdup(msg);
+	if (s == NULL)
+		return;
+
+	pos = s;
+	while (*pos != '\0') {
+		if (*pos == '\n') {
+			*pos = '\0';
+			break;
+		}
+		pos++;
+	}
+	wpa_printf(level > 3 ? MSG_MSGDUMP : MSG_DEBUG,
+		   "gnutls<%d> %s", level, s);
+	os_free(s);
+}
+
+
+extern int wpa_debug_show_keys;
+
+void * tls_init(const struct tls_config *conf)
+{
+	struct tls_global *global;
+
+#ifdef GNUTLS_INTERNAL_STRUCTURE_HACK
+	/* Because of the horrible hack to get master_secret and client/server
+	 * random, we need to make sure that the gnutls version is something
+	 * that is expected to have same structure definition for the session
+	 * data.. */
+	const char *ver;
+	const char *ok_ver[] = { "1.2.3", "1.2.4", "1.2.5", "1.2.6", "1.2.9",
+				 "1.3.2",
+				 NULL };
+	int i;
+#endif /* GNUTLS_INTERNAL_STRUCTURE_HACK */
+
+	global = os_zalloc(sizeof(*global));
+	if (global == NULL)
+		return NULL;
+
+	if (tls_gnutls_ref_count == 0 && gnutls_global_init() < 0) {
+		os_free(global);
+		return NULL;
+	}
+	tls_gnutls_ref_count++;
+
+#ifdef GNUTLS_INTERNAL_STRUCTURE_HACK
+	ver = gnutls_check_version(NULL);
+	if (ver == NULL) {
+		tls_deinit(global);
+		return NULL;
+	}
+	wpa_printf(MSG_DEBUG, "%s - gnutls version %s", __func__, ver);
+	for (i = 0; ok_ver[i]; i++) {
+		if (strcmp(ok_ver[i], ver) == 0)
+			break;
+	}
+	if (ok_ver[i] == NULL) {
+		wpa_printf(MSG_INFO, "Untested gnutls version %s - this needs "
+			   "to be tested and enabled in tls_gnutls.c", ver);
+		tls_deinit(global);
+		return NULL;
+	}
+#endif /* GNUTLS_INTERNAL_STRUCTURE_HACK */
+
+	gnutls_global_set_log_function(tls_log_func);
+	if (wpa_debug_show_keys)
+		gnutls_global_set_log_level(11);
+	return global;
+}
+
+
+void tls_deinit(void *ssl_ctx)
+{
+	struct tls_global *global = ssl_ctx;
+	if (global) {
+		if (global->params_set)
+			gnutls_certificate_free_credentials(global->xcred);
+		os_free(global->session_data);
+		os_free(global);
+	}
+
+	tls_gnutls_ref_count--;
+	if (tls_gnutls_ref_count == 0)
+		gnutls_global_deinit();
+}
+
+
+int tls_get_errors(void *ssl_ctx)
+{
+	return 0;
+}
+
+
+static ssize_t tls_pull_func(gnutls_transport_ptr ptr, void *buf,
+			     size_t len)
+{
+	struct tls_connection *conn = (struct tls_connection *) ptr;
+	const u8 *end;
+	if (conn->pull_buf == NULL) {
+		errno = EWOULDBLOCK;
+		return -1;
+	}
+
+	end = wpabuf_head_u8(conn->pull_buf) + wpabuf_len(conn->pull_buf);
+	if ((size_t) (end - conn->pull_buf_offset) < len)
+		len = end - conn->pull_buf_offset;
+	os_memcpy(buf, conn->pull_buf_offset, len);
+	conn->pull_buf_offset += len;
+	if (conn->pull_buf_offset == end) {
+		wpa_printf(MSG_DEBUG, "%s - pull_buf consumed", __func__);
+		wpabuf_free(conn->pull_buf);
+		conn->pull_buf = NULL;
+		conn->pull_buf_offset = NULL;
+	} else {
+		wpa_printf(MSG_DEBUG, "%s - %lu bytes remaining in pull_buf",
+			   __func__,
+			   (unsigned long) (end - conn->pull_buf_offset));
+	}
+	return len;
+}
+
+
+static ssize_t tls_push_func(gnutls_transport_ptr ptr, const void *buf,
+			     size_t len)
+{
+	struct tls_connection *conn = (struct tls_connection *) ptr;
+
+	if (wpabuf_resize(&conn->push_buf, len) < 0) {
+		errno = ENOMEM;
+		return -1;
+	}
+	wpabuf_put_data(conn->push_buf, buf, len);
+
+	return len;
+}
+
+
+static int tls_gnutls_init_session(struct tls_global *global,
+				   struct tls_connection *conn)
+{
+	const int cert_types[2] = { GNUTLS_CRT_X509, 0 };
+	const int protos[2] = { GNUTLS_TLS1, 0 };
+	int ret;
+
+	ret = gnutls_init(&conn->session,
+			  global->server ? GNUTLS_SERVER : GNUTLS_CLIENT);
+	if (ret < 0) {
+		wpa_printf(MSG_INFO, "TLS: Failed to initialize new TLS "
+			   "connection: %s", gnutls_strerror(ret));
+		return -1;
+	}
+
+	ret = gnutls_set_default_priority(conn->session);
+	if (ret < 0)
+		goto fail;
+
+	ret = gnutls_certificate_type_set_priority(conn->session, cert_types);
+	if (ret < 0)
+		goto fail;
+
+	ret = gnutls_protocol_set_priority(conn->session, protos);
+	if (ret < 0)
+		goto fail;
+
+	gnutls_transport_set_pull_function(conn->session, tls_pull_func);
+	gnutls_transport_set_push_function(conn->session, tls_push_func);
+	gnutls_transport_set_ptr(conn->session, (gnutls_transport_ptr) conn);
+
+	return 0;
+
+fail:
+	wpa_printf(MSG_INFO, "TLS: Failed to setup new TLS connection: %s",
+		   gnutls_strerror(ret));
+	gnutls_deinit(conn->session);
+	return -1;
+}
+
+
+struct tls_connection * tls_connection_init(void *ssl_ctx)
+{
+	struct tls_global *global = ssl_ctx;
+	struct tls_connection *conn;
+	int ret;
+
+	conn = os_zalloc(sizeof(*conn));
+	if (conn == NULL)
+		return NULL;
+
+	if (tls_gnutls_init_session(global, conn)) {
+		os_free(conn);
+		return NULL;
+	}
+
+	if (global->params_set) {
+		ret = gnutls_credentials_set(conn->session,
+					     GNUTLS_CRD_CERTIFICATE,
+					     global->xcred);
+		if (ret < 0) {
+			wpa_printf(MSG_INFO, "Failed to configure "
+				   "credentials: %s", gnutls_strerror(ret));
+			os_free(conn);
+			return NULL;
+		}
+	}
+
+	if (gnutls_certificate_allocate_credentials(&conn->xcred)) {
+		os_free(conn);
+		return NULL;
+	}
+
+	return conn;
+}
+
+
+void tls_connection_deinit(void *ssl_ctx, struct tls_connection *conn)
+{
+	if (conn == NULL)
+		return;
+
+#ifdef GNUTLS_IA
+	if (conn->iacred_srv)
+		gnutls_ia_free_server_credentials(conn->iacred_srv);
+	if (conn->iacred_cli)
+		gnutls_ia_free_client_credentials(conn->iacred_cli);
+	if (conn->session_keys) {
+		os_memset(conn->session_keys, 0, conn->session_keys_len);
+		os_free(conn->session_keys);
+	}
+#endif /* GNUTLS_IA */
+
+	gnutls_certificate_free_credentials(conn->xcred);
+	gnutls_deinit(conn->session);
+	os_free(conn->pre_shared_secret);
+	os_free(conn->subject_match);
+	os_free(conn->altsubject_match);
+	wpabuf_free(conn->push_buf);
+	wpabuf_free(conn->pull_buf);
+	os_free(conn);
+}
+
+
+int tls_connection_established(void *ssl_ctx, struct tls_connection *conn)
+{
+	return conn ? conn->established : 0;
+}
+
+
+int tls_connection_shutdown(void *ssl_ctx, struct tls_connection *conn)
+{
+	struct tls_global *global = ssl_ctx;
+	int ret;
+
+	if (conn == NULL)
+		return -1;
+
+	/* Shutdown previous TLS connection without notifying the peer
+	 * because the connection was already terminated in practice
+	 * and "close notify" shutdown alert would confuse AS. */
+	gnutls_bye(conn->session, GNUTLS_SHUT_RDWR);
+	wpabuf_free(conn->push_buf);
+	conn->push_buf = NULL;
+	conn->established = 0;
+	conn->final_phase_finished = 0;
+#ifdef GNUTLS_IA
+	if (conn->session_keys) {
+		os_memset(conn->session_keys, 0, conn->session_keys_len);
+		os_free(conn->session_keys);
+	}
+	conn->session_keys_len = 0;
+#endif /* GNUTLS_IA */
+
+	gnutls_deinit(conn->session);
+	if (tls_gnutls_init_session(global, conn)) {
+		wpa_printf(MSG_INFO, "GnuTLS: Failed to preparare new session "
+			   "for session resumption use");
+		return -1;
+	}
+
+	ret = gnutls_credentials_set(conn->session, GNUTLS_CRD_CERTIFICATE,
+				     conn->params_set ? conn->xcred :
+				     global->xcred);
+	if (ret < 0) {
+		wpa_printf(MSG_INFO, "GnuTLS: Failed to configure credentials "
+			   "for session resumption: %s", gnutls_strerror(ret));
+		return -1;
+	}
+
+	if (global->session_data) {
+		ret = gnutls_session_set_data(conn->session,
+					      global->session_data,
+					      global->session_data_size);
+		if (ret < 0) {
+			wpa_printf(MSG_INFO, "GnuTLS: Failed to set session "
+				   "data: %s", gnutls_strerror(ret));
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+
+#if 0
+static int tls_match_altsubject(X509 *cert, const char *match)
+{
+	GENERAL_NAME *gen;
+	char *field, *tmp;
+	void *ext;
+	int i, found = 0;
+	size_t len;
+
+	ext = X509_get_ext_d2i(cert, NID_subject_alt_name, NULL, NULL);
+
+	for (i = 0; ext && i < sk_GENERAL_NAME_num(ext); i++) {
+		gen = sk_GENERAL_NAME_value(ext, i);
+		switch (gen->type) {
+		case GEN_EMAIL:
+			field = "EMAIL";
+			break;
+		case GEN_DNS:
+			field = "DNS";
+			break;
+		case GEN_URI:
+			field = "URI";
+			break;
+		default:
+			field = NULL;
+			wpa_printf(MSG_DEBUG, "TLS: altSubjectName: "
+				   "unsupported type=%d", gen->type);
+			break;
+		}
+
+		if (!field)
+			continue;
+
+		wpa_printf(MSG_DEBUG, "TLS: altSubjectName: %s:%s",
+			   field, gen->d.ia5->data);
+		len = os_strlen(field) + 1 +
+			strlen((char *) gen->d.ia5->data) + 1;
+		tmp = os_malloc(len);
+		if (tmp == NULL)
+			continue;
+		snprintf(tmp, len, "%s:%s", field, gen->d.ia5->data);
+		if (strstr(tmp, match))
+			found++;
+		os_free(tmp);
+	}
+
+	return found;
+}
+#endif
+
+
+#if 0
+static int tls_verify_cb(int preverify_ok, X509_STORE_CTX *x509_ctx)
+{
+	char buf[256];
+	X509 *err_cert;
+	int err, depth;
+	SSL *ssl;
+	struct tls_connection *conn;
+	char *match, *altmatch;
+
+	err_cert = X509_STORE_CTX_get_current_cert(x509_ctx);
+	err = X509_STORE_CTX_get_error(x509_ctx);
+	depth = X509_STORE_CTX_get_error_depth(x509_ctx);
+	ssl = X509_STORE_CTX_get_ex_data(x509_ctx,
+					 SSL_get_ex_data_X509_STORE_CTX_idx());
+	X509_NAME_oneline(X509_get_subject_name(err_cert), buf, sizeof(buf));
+
+	conn = SSL_get_app_data(ssl);
+	match = conn ? conn->subject_match : NULL;
+	altmatch = conn ? conn->altsubject_match : NULL;
+
+	if (!preverify_ok) {
+		wpa_printf(MSG_WARNING, "TLS: Certificate verification failed,"
+			   " error %d (%s) depth %d for '%s'", err,
+			   X509_verify_cert_error_string(err), depth, buf);
+	} else {
+		wpa_printf(MSG_DEBUG, "TLS: tls_verify_cb - "
+			   "preverify_ok=%d err=%d (%s) depth=%d buf='%s'",
+			   preverify_ok, err,
+			   X509_verify_cert_error_string(err), depth, buf);
+		if (depth == 0 && match && strstr(buf, match) == NULL) {
+			wpa_printf(MSG_WARNING, "TLS: Subject '%s' did not "
+				   "match with '%s'", buf, match);
+			preverify_ok = 0;
+		} else if (depth == 0 && altmatch &&
+			   !tls_match_altsubject(err_cert, altmatch)) {
+			wpa_printf(MSG_WARNING, "TLS: altSubjectName match "
+				   "'%s' not found", altmatch);
+			preverify_ok = 0;
+		}
+	}
+
+	return preverify_ok;
+}
+#endif
+
+
+int tls_connection_set_params(void *tls_ctx, struct tls_connection *conn,
+			      const struct tls_connection_params *params)
+{
+	int ret;
+
+	if (conn == NULL || params == NULL)
+		return -1;
+
+	os_free(conn->subject_match);
+	conn->subject_match = NULL;
+	if (params->subject_match) {
+		conn->subject_match = os_strdup(params->subject_match);
+		if (conn->subject_match == NULL)
+			return -1;
+	}
+
+	os_free(conn->altsubject_match);
+	conn->altsubject_match = NULL;
+	if (params->altsubject_match) {
+		conn->altsubject_match = os_strdup(params->altsubject_match);
+		if (conn->altsubject_match == NULL)
+			return -1;
+	}
+
+	/* TODO: gnutls_certificate_set_verify_flags(xcred, flags); 
+	 * to force peer validation(?) */
+
+	if (params->ca_cert) {
+		conn->verify_peer = 1;
+		ret = gnutls_certificate_set_x509_trust_file(
+			conn->xcred, params->ca_cert, GNUTLS_X509_FMT_PEM);
+		if (ret < 0) {
+			wpa_printf(MSG_DEBUG, "Failed to read CA cert '%s' "
+				   "in PEM format: %s", params->ca_cert,
+				   gnutls_strerror(ret));
+			ret = gnutls_certificate_set_x509_trust_file(
+				conn->xcred, params->ca_cert,
+				GNUTLS_X509_FMT_DER);
+			if (ret < 0) {
+				wpa_printf(MSG_DEBUG, "Failed to read CA cert "
+					   "'%s' in DER format: %s",
+					   params->ca_cert,
+					   gnutls_strerror(ret));
+				return -1;
+			}
+		}
+
+		if (params->flags & TLS_CONN_ALLOW_SIGN_RSA_MD5) {
+			gnutls_certificate_set_verify_flags(
+				conn->xcred, GNUTLS_VERIFY_ALLOW_SIGN_RSA_MD5);
+		}
+
+		if (params->flags & TLS_CONN_DISABLE_TIME_CHECKS) {
+			gnutls_certificate_set_verify_flags(
+				conn->xcred,
+				GNUTLS_VERIFY_DISABLE_TIME_CHECKS);
+		}
+	}
+
+	if (params->client_cert && params->private_key) {
+		/* TODO: private_key_passwd? */
+		ret = gnutls_certificate_set_x509_key_file(
+			conn->xcred, params->client_cert, params->private_key,
+			GNUTLS_X509_FMT_PEM);
+		if (ret < 0) {
+			wpa_printf(MSG_DEBUG, "Failed to read client cert/key "
+				   "in PEM format: %s", gnutls_strerror(ret));
+			ret = gnutls_certificate_set_x509_key_file(
+				conn->xcred, params->client_cert,
+				params->private_key, GNUTLS_X509_FMT_DER);
+			if (ret < 0) {
+				wpa_printf(MSG_DEBUG, "Failed to read client "
+					   "cert/key in DER format: %s",
+					   gnutls_strerror(ret));
+				return ret;
+			}
+		}
+	} else if (params->private_key) {
+		int pkcs12_ok = 0;
+#ifdef PKCS12_FUNCS
+		/* Try to load in PKCS#12 format */
+#if LIBGNUTLS_VERSION_NUMBER >= 0x010302
+		ret = gnutls_certificate_set_x509_simple_pkcs12_file(
+			conn->xcred, params->private_key, GNUTLS_X509_FMT_DER,
+			params->private_key_passwd);
+		if (ret != 0) {
+			wpa_printf(MSG_DEBUG, "Failed to load private_key in "
+				   "PKCS#12 format: %s", gnutls_strerror(ret));
+			return -1;
+		} else
+			pkcs12_ok = 1;
+#endif /* LIBGNUTLS_VERSION_NUMBER >= 0x010302 */
+#endif /* PKCS12_FUNCS */
+
+		if (!pkcs12_ok) {
+			wpa_printf(MSG_DEBUG, "GnuTLS: PKCS#12 support not "
+				   "included");
+			return -1;
+		}
+	}
+
+	conn->tls_ia = params->tls_ia;
+	conn->params_set = 1;
+
+	ret = gnutls_credentials_set(conn->session, GNUTLS_CRD_CERTIFICATE,
+				     conn->xcred);
+	if (ret < 0) {
+		wpa_printf(MSG_INFO, "Failed to configure credentials: %s",
+			   gnutls_strerror(ret));
+	}
+
+#ifdef GNUTLS_IA
+	if (conn->iacred_cli)
+		gnutls_ia_free_client_credentials(conn->iacred_cli);
+
+	ret = gnutls_ia_allocate_client_credentials(&conn->iacred_cli);
+	if (ret) {
+		wpa_printf(MSG_DEBUG, "Failed to allocate IA credentials: %s",
+			   gnutls_strerror(ret));
+		return -1;
+	}
+
+	ret = gnutls_credentials_set(conn->session, GNUTLS_CRD_IA,
+				     conn->iacred_cli);
+	if (ret) {
+		wpa_printf(MSG_DEBUG, "Failed to configure IA credentials: %s",
+			   gnutls_strerror(ret));
+		gnutls_ia_free_client_credentials(conn->iacred_cli);
+		conn->iacred_cli = NULL;
+		return -1;
+	}
+#endif /* GNUTLS_IE */
+
+	return ret;
+}
+
+
+int tls_global_set_params(void *tls_ctx,
+			  const struct tls_connection_params *params)
+{
+	struct tls_global *global = tls_ctx;
+	int ret;
+
+	/* Currently, global parameters are only set when running in server
+	 * mode. */
+	global->server = 1;
+
+	if (global->params_set) {
+		gnutls_certificate_free_credentials(global->xcred);
+		global->params_set = 0;
+	}
+
+	ret = gnutls_certificate_allocate_credentials(&global->xcred);
+	if (ret) {
+		wpa_printf(MSG_DEBUG, "Failed to allocate global credentials "
+			   "%s", gnutls_strerror(ret));
+		return -1;
+	}
+
+	if (params->ca_cert) {
+		ret = gnutls_certificate_set_x509_trust_file(
+			global->xcred, params->ca_cert, GNUTLS_X509_FMT_PEM);
+		if (ret < 0) {
+			wpa_printf(MSG_DEBUG, "Failed to read CA cert '%s' "
+				   "in PEM format: %s", params->ca_cert,
+				   gnutls_strerror(ret));
+			ret = gnutls_certificate_set_x509_trust_file(
+				global->xcred, params->ca_cert,
+				GNUTLS_X509_FMT_DER);
+			if (ret < 0) {
+				wpa_printf(MSG_DEBUG, "Failed to read CA cert "
+					   "'%s' in DER format: %s",
+					   params->ca_cert,
+					   gnutls_strerror(ret));
+				goto fail;
+			}
+		}
+
+		if (params->flags & TLS_CONN_ALLOW_SIGN_RSA_MD5) {
+			gnutls_certificate_set_verify_flags(
+				global->xcred,
+				GNUTLS_VERIFY_ALLOW_SIGN_RSA_MD5);
+		}
+
+		if (params->flags & TLS_CONN_DISABLE_TIME_CHECKS) {
+			gnutls_certificate_set_verify_flags(
+				global->xcred,
+				GNUTLS_VERIFY_DISABLE_TIME_CHECKS);
+		}
+	}
+
+	if (params->client_cert && params->private_key) {
+		/* TODO: private_key_passwd? */
+		ret = gnutls_certificate_set_x509_key_file(
+			global->xcred, params->client_cert,
+			params->private_key, GNUTLS_X509_FMT_PEM);
+		if (ret < 0) {
+			wpa_printf(MSG_DEBUG, "Failed to read client cert/key "
+				   "in PEM format: %s", gnutls_strerror(ret));
+			ret = gnutls_certificate_set_x509_key_file(
+				global->xcred, params->client_cert,
+				params->private_key, GNUTLS_X509_FMT_DER);
+			if (ret < 0) {
+				wpa_printf(MSG_DEBUG, "Failed to read client "
+					   "cert/key in DER format: %s",
+					   gnutls_strerror(ret));
+				goto fail;
+			}
+		}
+	} else if (params->private_key) {
+		int pkcs12_ok = 0;
+#ifdef PKCS12_FUNCS
+		/* Try to load in PKCS#12 format */
+#if LIBGNUTLS_VERSION_NUMBER >= 0x010302
+		ret = gnutls_certificate_set_x509_simple_pkcs12_file(
+			global->xcred, params->private_key,
+			GNUTLS_X509_FMT_DER, params->private_key_passwd);
+		if (ret != 0) {
+			wpa_printf(MSG_DEBUG, "Failed to load private_key in "
+				   "PKCS#12 format: %s", gnutls_strerror(ret));
+			goto fail;
+		} else
+			pkcs12_ok = 1;
+#endif /* LIBGNUTLS_VERSION_NUMBER >= 0x010302 */
+#endif /* PKCS12_FUNCS */
+
+		if (!pkcs12_ok) {
+			wpa_printf(MSG_DEBUG, "GnuTLS: PKCS#12 support not "
+				   "included");
+			goto fail;
+		}
+	}
+
+	global->params_set = 1;
+
+	return 0;
+
+fail:
+	gnutls_certificate_free_credentials(global->xcred);
+	return -1;
+}
+
+
+int tls_global_set_verify(void *ssl_ctx, int check_crl)
+{
+	/* TODO */
+	return 0;
+}
+
+
+int tls_connection_set_verify(void *ssl_ctx, struct tls_connection *conn,
+			      int verify_peer)
+{
+	if (conn == NULL || conn->session == NULL)
+		return -1;
+
+	conn->verify_peer = verify_peer;
+	gnutls_certificate_server_set_request(conn->session,
+					      verify_peer ? GNUTLS_CERT_REQUIRE
+					      : GNUTLS_CERT_REQUEST);
+
+	return 0;
+}
+
+
+int tls_connection_get_keys(void *ssl_ctx, struct tls_connection *conn,
+			    struct tls_keys *keys)
+{
+#ifdef GNUTLS_INTERNAL_STRUCTURE_HACK
+	security_parameters_st *sec;
+#endif /* GNUTLS_INTERNAL_STRUCTURE_HACK */
+
+	if (conn == NULL || conn->session == NULL || keys == NULL)
+		return -1;
+
+	os_memset(keys, 0, sizeof(*keys));
+
+#ifdef GNUTLS_INTERNAL_STRUCTURE_HACK
+	sec = &conn->session->security_parameters;
+	keys->master_key = sec->master_secret;
+	keys->master_key_len = TLS_MASTER_SIZE;
+	keys->client_random = sec->client_random;
+	keys->server_random = sec->server_random;
+#else /* GNUTLS_INTERNAL_STRUCTURE_HACK */
+	keys->client_random =
+		(u8 *) gnutls_session_get_client_random(conn->session);
+	keys->server_random =
+		(u8 *) gnutls_session_get_server_random(conn->session);
+	/* No access to master_secret */
+#endif /* GNUTLS_INTERNAL_STRUCTURE_HACK */
+
+#ifdef GNUTLS_IA
+	gnutls_ia_extract_inner_secret(conn->session,
+				       (char *) conn->inner_secret);
+	keys->inner_secret = conn->inner_secret;
+	keys->inner_secret_len = TLS_MASTER_SIZE;
+#endif /* GNUTLS_IA */
+
+	keys->client_random_len = TLS_RANDOM_SIZE;
+	keys->server_random_len = TLS_RANDOM_SIZE;
+
+	return 0;
+}
+
+
+int tls_connection_prf(void *tls_ctx, struct tls_connection *conn,
+		       const char *label, int server_random_first,
+		       u8 *out, size_t out_len)
+{
+#if LIBGNUTLS_VERSION_NUMBER >= 0x010302
+	if (conn == NULL || conn->session == NULL)
+		return -1;
+
+	return gnutls_prf(conn->session, os_strlen(label), label,
+			  server_random_first, 0, NULL, out_len, (char *) out);
+#else /* LIBGNUTLS_VERSION_NUMBER >= 0x010302 */
+	return -1;
+#endif /* LIBGNUTLS_VERSION_NUMBER >= 0x010302 */
+}
+
+
+static int tls_connection_verify_peer(struct tls_connection *conn,
+				      gnutls_alert_description_t *err)
+{
+	unsigned int status, num_certs, i;
+	struct os_time now;
+	const gnutls_datum_t *certs;
+	gnutls_x509_crt_t cert;
+
+	if (gnutls_certificate_verify_peers2(conn->session, &status) < 0) {
+		wpa_printf(MSG_INFO, "TLS: Failed to verify peer "
+			   "certificate chain");
+		*err = GNUTLS_A_INTERNAL_ERROR;
+		return -1;
+	}
+
+	if (conn->verify_peer && (status & GNUTLS_CERT_INVALID)) {
+		wpa_printf(MSG_INFO, "TLS: Peer certificate not trusted");
+		if (status & GNUTLS_CERT_INSECURE_ALGORITHM) {
+			wpa_printf(MSG_INFO, "TLS: Certificate uses insecure "
+				   "algorithm");
+			*err = GNUTLS_A_INSUFFICIENT_SECURITY;
+		}
+		if (status & GNUTLS_CERT_NOT_ACTIVATED) {
+			wpa_printf(MSG_INFO, "TLS: Certificate not yet "
+				   "activated");
+			*err = GNUTLS_A_CERTIFICATE_EXPIRED;
+		}
+		if (status & GNUTLS_CERT_EXPIRED) {
+			wpa_printf(MSG_INFO, "TLS: Certificate expired");
+			*err = GNUTLS_A_CERTIFICATE_EXPIRED;
+		}
+		return -1;
+	}
+
+	if (status & GNUTLS_CERT_SIGNER_NOT_FOUND) {
+		wpa_printf(MSG_INFO, "TLS: Peer certificate does not have a "
+			   "known issuer");
+		*err = GNUTLS_A_UNKNOWN_CA;
+		return -1;
+	}
+
+	if (status & GNUTLS_CERT_REVOKED) {
+		wpa_printf(MSG_INFO, "TLS: Peer certificate has been revoked");
+		*err = GNUTLS_A_CERTIFICATE_REVOKED;
+		return -1;
+	}
+
+	os_get_time(&now);
+
+	certs = gnutls_certificate_get_peers(conn->session, &num_certs);
+	if (certs == NULL) {
+		wpa_printf(MSG_INFO, "TLS: No peer certificate chain "
+			   "received");
+		*err = GNUTLS_A_UNKNOWN_CA;
+		return -1;
+	}
+
+	for (i = 0; i < num_certs; i++) {
+		char *buf;
+		size_t len;
+		if (gnutls_x509_crt_init(&cert) < 0) {
+			wpa_printf(MSG_INFO, "TLS: Certificate initialization "
+				   "failed");
+			*err = GNUTLS_A_BAD_CERTIFICATE;
+			return -1;
+		}
+
+		if (gnutls_x509_crt_import(cert, &certs[i],
+					   GNUTLS_X509_FMT_DER) < 0) {
+			wpa_printf(MSG_INFO, "TLS: Could not parse peer "
+				   "certificate %d/%d", i + 1, num_certs);
+			gnutls_x509_crt_deinit(cert);
+			*err = GNUTLS_A_BAD_CERTIFICATE;
+			return -1;
+		}
+
+		gnutls_x509_crt_get_dn(cert, NULL, &len);
+		len++;
+		buf = os_malloc(len + 1);
+		if (buf) {
+			buf[0] = buf[len] = '\0';
+			gnutls_x509_crt_get_dn(cert, buf, &len);
+		}
+		wpa_printf(MSG_DEBUG, "TLS: Peer cert chain %d/%d: %s",
+			   i + 1, num_certs, buf);
+
+		if (i == 0) {
+			/* TODO: validate subject_match and altsubject_match */
+		}
+
+		os_free(buf);
+
+		if (gnutls_x509_crt_get_expiration_time(cert) < now.sec ||
+		    gnutls_x509_crt_get_activation_time(cert) > now.sec) {
+			wpa_printf(MSG_INFO, "TLS: Peer certificate %d/%d is "
+				   "not valid at this time",
+				   i + 1, num_certs);
+			gnutls_x509_crt_deinit(cert);
+			*err = GNUTLS_A_CERTIFICATE_EXPIRED;
+			return -1;
+		}
+
+		gnutls_x509_crt_deinit(cert);
+	}
+
+	return 0;
+}
+
+
+static struct wpabuf * gnutls_get_appl_data(struct tls_connection *conn)
+{
+	int res;
+	struct wpabuf *ad;
+	wpa_printf(MSG_DEBUG, "GnuTLS: Check for possible Application Data");
+	ad = wpabuf_alloc((wpabuf_len(conn->pull_buf) + 500) * 3);
+	if (ad == NULL)
+		return NULL;
+
+	res = gnutls_record_recv(conn->session, wpabuf_mhead(ad),
+				 wpabuf_size(ad));
+	wpa_printf(MSG_DEBUG, "GnuTLS: gnutls_record_recv: %d", res);
+	if (res < 0) {
+		wpa_printf(MSG_DEBUG, "%s - gnutls_ia_recv failed: %d "
+			   "(%s)", __func__, (int) res,
+			   gnutls_strerror(res));
+		wpabuf_free(ad);
+		return NULL;
+	}
+
+	wpabuf_put(ad, res);
+	wpa_printf(MSG_DEBUG, "GnuTLS: Received %d bytes of Application Data",
+		   res);
+	return ad;
+}
+
+
+struct wpabuf * tls_connection_handshake(void *tls_ctx,
+					 struct tls_connection *conn,
+					 const struct wpabuf *in_data,
+					 struct wpabuf **appl_data)
+{
+	struct tls_global *global = tls_ctx;
+	struct wpabuf *out_data;
+	int ret;
+
+	if (appl_data)
+		*appl_data = NULL;
+
+	if (in_data && wpabuf_len(in_data) > 0) {
+		if (conn->pull_buf) {
+			wpa_printf(MSG_DEBUG, "%s - %lu bytes remaining in "
+				   "pull_buf", __func__,
+				   (unsigned long) wpabuf_len(conn->pull_buf));
+			wpabuf_free(conn->pull_buf);
+		}
+		conn->pull_buf = wpabuf_dup(in_data);
+		if (conn->pull_buf == NULL)
+			return NULL;
+		conn->pull_buf_offset = wpabuf_head(conn->pull_buf);
+	}
+
+	ret = gnutls_handshake(conn->session);
+	if (ret < 0) {
+		switch (ret) {
+		case GNUTLS_E_AGAIN:
+			if (global->server && conn->established &&
+			    conn->push_buf == NULL) {
+				/* Need to return something to trigger
+				 * completion of EAP-TLS. */
+				conn->push_buf = wpabuf_alloc(0);
+			}
+			break;
+		case GNUTLS_E_FATAL_ALERT_RECEIVED:
+			wpa_printf(MSG_DEBUG, "%s - received fatal '%s' alert",
+				   __func__, gnutls_alert_get_name(
+					   gnutls_alert_get(conn->session)));
+			conn->read_alerts++;
+			/* continue */
+		default:
+			wpa_printf(MSG_DEBUG, "%s - gnutls_handshake failed "
+				   "-> %s", __func__, gnutls_strerror(ret));
+			conn->failed++;
+		}
+	} else {
+		size_t size;
+		gnutls_alert_description_t err;
+
+		if (conn->verify_peer &&
+		    tls_connection_verify_peer(conn, &err)) {
+			wpa_printf(MSG_INFO, "TLS: Peer certificate chain "
+				   "failed validation");
+			conn->failed++;
+			gnutls_alert_send(conn->session, GNUTLS_AL_FATAL, err);
+			goto out;
+		}
+
+#ifdef CONFIG_GNUTLS_EXTRA
+		if (conn->tls_ia && !gnutls_ia_handshake_p(conn->session)) {
+			wpa_printf(MSG_INFO, "TLS: No TLS/IA negotiation");
+			conn->failed++;
+			return NULL;
+		}
+#endif /* CONFIG_GNUTLS_EXTRA */
+
+		if (conn->tls_ia)
+			wpa_printf(MSG_DEBUG, "TLS: Start TLS/IA handshake");
+		else {
+			wpa_printf(MSG_DEBUG, "TLS: Handshake completed "
+				   "successfully");
+		}
+		conn->established = 1;
+		if (conn->push_buf == NULL) {
+			/* Need to return something to get final TLS ACK. */
+			conn->push_buf = wpabuf_alloc(0);
+		}
+
+		gnutls_session_get_data(conn->session, NULL, &size);
+		if (global->session_data == NULL ||
+		    global->session_data_size < size) {
+			os_free(global->session_data);
+			global->session_data = os_malloc(size);
+		}
+		if (global->session_data) {
+			global->session_data_size = size;
+			gnutls_session_get_data(conn->session,
+						global->session_data,
+						&global->session_data_size);
+		}
+
+		if (conn->pull_buf && appl_data)
+			*appl_data = gnutls_get_appl_data(conn);
+	}
+
+out:
+	out_data = conn->push_buf;
+	conn->push_buf = NULL;
+	return out_data;
+}
+
+
+struct wpabuf * tls_connection_server_handshake(void *tls_ctx,
+						struct tls_connection *conn,
+						const struct wpabuf *in_data,
+						struct wpabuf **appl_data)
+{
+	return tls_connection_handshake(tls_ctx, conn, in_data, appl_data);
+}
+
+
+struct wpabuf * tls_connection_encrypt(void *tls_ctx,
+				       struct tls_connection *conn,
+				       const struct wpabuf *in_data)
+{
+	ssize_t res;
+	struct wpabuf *buf;
+
+#ifdef GNUTLS_IA
+	if (conn->tls_ia)
+		res = gnutls_ia_send(conn->session, wpabuf_head(in_data),
+				     wpabuf_len(in_data));
+	else
+#endif /* GNUTLS_IA */
+	res = gnutls_record_send(conn->session, wpabuf_head(in_data),
+				 wpabuf_len(in_data));
+	if (res < 0) {
+		wpa_printf(MSG_INFO, "%s: Encryption failed: %s",
+			   __func__, gnutls_strerror(res));
+		return NULL;
+	}
+
+	buf = conn->push_buf;
+	conn->push_buf = NULL;
+	return buf;
+}
+
+
+struct wpabuf * tls_connection_decrypt(void *tls_ctx,
+				       struct tls_connection *conn,
+				       const struct wpabuf *in_data)
+{
+	ssize_t res;
+	struct wpabuf *out;
+
+	if (conn->pull_buf) {
+		wpa_printf(MSG_DEBUG, "%s - %lu bytes remaining in "
+			   "pull_buf", __func__,
+			   (unsigned long) wpabuf_len(conn->pull_buf));
+		wpabuf_free(conn->pull_buf);
+	}
+	conn->pull_buf = wpabuf_dup(in_data);
+	if (conn->pull_buf == NULL)
+		return NULL;
+	conn->pull_buf_offset = wpabuf_head(conn->pull_buf);
+
+	/*
+	 * Even though we try to disable TLS compression, it is possible that
+	 * this cannot be done with all TLS libraries. Add extra buffer space
+	 * to handle the possibility of the decrypted data being longer than
+	 * input data.
+	 */
+	out = wpabuf_alloc((wpabuf_len(in_data) + 500) * 3);
+	if (out == NULL)
+		return NULL;
+
+#ifdef GNUTLS_IA
+	if (conn->tls_ia) {
+		res = gnutls_ia_recv(conn->session, wpabuf_mhead(out),
+				     wpabuf_size(out));
+		if (res == GNUTLS_E_WARNING_IA_IPHF_RECEIVED ||
+		    res == GNUTLS_E_WARNING_IA_FPHF_RECEIVED) {
+			int final = res == GNUTLS_E_WARNING_IA_FPHF_RECEIVED;
+			wpa_printf(MSG_DEBUG, "%s: Received %sPhaseFinished",
+				   __func__, final ? "Final" : "Intermediate");
+
+			res = gnutls_ia_permute_inner_secret(
+				conn->session, conn->session_keys_len,
+				(char *) conn->session_keys);
+			if (conn->session_keys) {
+				os_memset(conn->session_keys, 0,
+					  conn->session_keys_len);
+				os_free(conn->session_keys);
+			}
+			conn->session_keys = NULL;
+			conn->session_keys_len = 0;
+			if (res) {
+				wpa_printf(MSG_DEBUG, "%s: Failed to permute "
+					   "inner secret: %s",
+					   __func__, gnutls_strerror(res));
+				wpabuf_free(out);
+				return NULL;
+			}
+
+			res = gnutls_ia_verify_endphase(conn->session,
+							wpabuf_head(out));
+			if (res == 0) {
+				wpa_printf(MSG_DEBUG, "%s: Correct endphase "
+					   "checksum", __func__);
+			} else {
+				wpa_printf(MSG_INFO, "%s: Endphase "
+					   "verification failed: %s",
+					   __func__, gnutls_strerror(res));
+				wpabuf_free(out);
+				return NULL;
+			}
+
+			if (final)
+				conn->final_phase_finished = 1;
+
+			return out;
+		}
+
+		if (res < 0) {
+			wpa_printf(MSG_DEBUG, "%s - gnutls_ia_recv failed: %d "
+				   "(%s)", __func__, (int) res,
+				   gnutls_strerror(res));
+			wpabuf_free(out);
+			return NULL;
+		}
+		wpabuf_put(out, res);
+		return out;
+	}
+#endif /* GNUTLS_IA */
+
+	res = gnutls_record_recv(conn->session, wpabuf_mhead(out),
+				 wpabuf_size(out));
+	if (res < 0) {
+		wpa_printf(MSG_DEBUG, "%s - gnutls_record_recv failed: %d "
+			   "(%s)", __func__, (int) res, gnutls_strerror(res));
+		wpabuf_free(out);
+		return NULL;
+	}
+	wpabuf_put(out, res);
+
+	return out;
+}
+
+
+int tls_connection_resumed(void *ssl_ctx, struct tls_connection *conn)
+{
+	if (conn == NULL)
+		return 0;
+	return gnutls_session_is_resumed(conn->session);
+}
+
+
+int tls_connection_set_cipher_list(void *tls_ctx, struct tls_connection *conn,
+				   u8 *ciphers)
+{
+	/* TODO */
+	return -1;
+}
+
+
+int tls_get_cipher(void *ssl_ctx, struct tls_connection *conn,
+		   char *buf, size_t buflen)
+{
+	/* TODO */
+	buf[0] = '\0';
+	return 0;
+}
+
+
+int tls_connection_enable_workaround(void *ssl_ctx,
+				     struct tls_connection *conn)
+{
+	gnutls_record_disable_padding(conn->session);
+	return 0;
+}
+
+
+int tls_connection_client_hello_ext(void *ssl_ctx, struct tls_connection *conn,
+				    int ext_type, const u8 *data,
+				    size_t data_len)
+{
+	/* TODO */
+	return -1;
+}
+
+
+int tls_connection_get_failed(void *ssl_ctx, struct tls_connection *conn)
+{
+	if (conn == NULL)
+		return -1;
+	return conn->failed;
+}
+
+
+int tls_connection_get_read_alerts(void *ssl_ctx, struct tls_connection *conn)
+{
+	if (conn == NULL)
+		return -1;
+	return conn->read_alerts;
+}
+
+
+int tls_connection_get_write_alerts(void *ssl_ctx, struct tls_connection *conn)
+{
+	if (conn == NULL)
+		return -1;
+	return conn->write_alerts;
+}
+
+
+int tls_connection_get_keyblock_size(void *tls_ctx,
+				     struct tls_connection *conn)
+{
+	/* TODO */
+	return -1;
+}
+
+
+unsigned int tls_capabilities(void *tls_ctx)
+{
+	unsigned int capa = 0;
+
+#ifdef GNUTLS_IA
+	capa |= TLS_CAPABILITY_IA;
+#endif /* GNUTLS_IA */
+
+	return capa;
+}
+
+
+int tls_connection_set_ia(void *tls_ctx, struct tls_connection *conn,
+			  int tls_ia)
+{
+#ifdef GNUTLS_IA
+	int ret;
+
+	if (conn == NULL)
+		return -1;
+
+	conn->tls_ia = tls_ia;
+	if (!tls_ia)
+		return 0;
+
+	ret = gnutls_ia_allocate_server_credentials(&conn->iacred_srv);
+	if (ret) {
+		wpa_printf(MSG_DEBUG, "Failed to allocate IA credentials: %s",
+			   gnutls_strerror(ret));
+		return -1;
+	}
+
+	ret = gnutls_credentials_set(conn->session, GNUTLS_CRD_IA,
+				     conn->iacred_srv);
+	if (ret) {
+		wpa_printf(MSG_DEBUG, "Failed to configure IA credentials: %s",
+			   gnutls_strerror(ret));
+		gnutls_ia_free_server_credentials(conn->iacred_srv);
+		conn->iacred_srv = NULL;
+		return -1;
+	}
+
+	return 0;
+#else /* GNUTLS_IA */
+	return -1;
+#endif /* GNUTLS_IA */
+}
+
+
+struct wpabuf * tls_connection_ia_send_phase_finished(
+	void *tls_ctx, struct tls_connection *conn, int final)
+{
+#ifdef GNUTLS_IA
+	int ret;
+	struct wpabuf *buf;
+
+	if (conn == NULL || conn->session == NULL || !conn->tls_ia)
+		return NULL;
+
+	ret = gnutls_ia_permute_inner_secret(conn->session,
+					     conn->session_keys_len,
+					     (char *) conn->session_keys);
+	if (conn->session_keys) {
+		os_memset(conn->session_keys, 0, conn->session_keys_len);
+		os_free(conn->session_keys);
+	}
+	conn->session_keys = NULL;
+	conn->session_keys_len = 0;
+	if (ret) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to permute inner secret: %s",
+			   __func__, gnutls_strerror(ret));
+		return NULL;
+	}
+
+	ret = gnutls_ia_endphase_send(conn->session, final);
+	if (ret) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to send endphase: %s",
+			   __func__, gnutls_strerror(ret));
+		return NULL;
+	}
+
+	buf = conn->push_buf;
+	conn->push_buf = NULL;
+	return buf;
+#else /* GNUTLS_IA */
+	return NULL;
+#endif /* GNUTLS_IA */
+}
+
+
+int tls_connection_ia_final_phase_finished(void *tls_ctx,
+					   struct tls_connection *conn)
+{
+	if (conn == NULL)
+		return -1;
+
+	return conn->final_phase_finished;
+}
+
+
+int tls_connection_ia_permute_inner_secret(void *tls_ctx,
+					   struct tls_connection *conn,
+					   const u8 *key, size_t key_len)
+{
+#ifdef GNUTLS_IA
+	if (conn == NULL || !conn->tls_ia)
+		return -1;
+
+	if (conn->session_keys) {
+		os_memset(conn->session_keys, 0, conn->session_keys_len);
+		os_free(conn->session_keys);
+	}
+	conn->session_keys_len = 0;
+
+	if (key) {
+		conn->session_keys = os_malloc(key_len);
+		if (conn->session_keys == NULL)
+			return -1;
+		os_memcpy(conn->session_keys, key, key_len);
+		conn->session_keys_len = key_len;
+	} else {
+		conn->session_keys = NULL;
+		conn->session_keys_len = 0;
+	}
+
+	return 0;
+#else /* GNUTLS_IA */
+	return -1;
+#endif /* GNUTLS_IA */
+}
+
+
+int tls_connection_set_session_ticket_cb(void *tls_ctx,
+					 struct tls_connection *conn,
+					 tls_session_ticket_cb cb, void *ctx)
+{
+	return -1;
+}
diff --git a/src/crypto/tls_internal.c b/src/crypto/tls_internal.c
new file mode 100644
index 0000000..64124d8
--- /dev/null
+++ b/src/crypto/tls_internal.c
@@ -0,0 +1,651 @@
+/*
+ * TLS interface functions and an internal TLS implementation
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This file interface functions for hostapd/wpa_supplicant to use the
+ * integrated TLSv1 implementation.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "tls.h"
+#include "tls/tlsv1_client.h"
+#include "tls/tlsv1_server.h"
+
+
+static int tls_ref_count = 0;
+
+struct tls_global {
+	int server;
+	struct tlsv1_credentials *server_cred;
+	int check_crl;
+};
+
+struct tls_connection {
+	struct tlsv1_client *client;
+	struct tlsv1_server *server;
+};
+
+
+void * tls_init(const struct tls_config *conf)
+{
+	struct tls_global *global;
+
+	if (tls_ref_count == 0) {
+#ifdef CONFIG_TLS_INTERNAL_CLIENT
+		if (tlsv1_client_global_init())
+			return NULL;
+#endif /* CONFIG_TLS_INTERNAL_CLIENT */
+#ifdef CONFIG_TLS_INTERNAL_SERVER
+		if (tlsv1_server_global_init())
+			return NULL;
+#endif /* CONFIG_TLS_INTERNAL_SERVER */
+	}
+	tls_ref_count++;
+
+	global = os_zalloc(sizeof(*global));
+	if (global == NULL)
+		return NULL;
+
+	return global;
+}
+
+void tls_deinit(void *ssl_ctx)
+{
+	struct tls_global *global = ssl_ctx;
+	tls_ref_count--;
+	if (tls_ref_count == 0) {
+#ifdef CONFIG_TLS_INTERNAL_CLIENT
+		tlsv1_client_global_deinit();
+#endif /* CONFIG_TLS_INTERNAL_CLIENT */
+#ifdef CONFIG_TLS_INTERNAL_SERVER
+		tlsv1_cred_free(global->server_cred);
+		tlsv1_server_global_deinit();
+#endif /* CONFIG_TLS_INTERNAL_SERVER */
+	}
+	os_free(global);
+}
+
+
+int tls_get_errors(void *tls_ctx)
+{
+	return 0;
+}
+
+
+struct tls_connection * tls_connection_init(void *tls_ctx)
+{
+	struct tls_connection *conn;
+	struct tls_global *global = tls_ctx;
+
+	conn = os_zalloc(sizeof(*conn));
+	if (conn == NULL)
+		return NULL;
+
+#ifdef CONFIG_TLS_INTERNAL_CLIENT
+	if (!global->server) {
+		conn->client = tlsv1_client_init();
+		if (conn->client == NULL) {
+			os_free(conn);
+			return NULL;
+		}
+	}
+#endif /* CONFIG_TLS_INTERNAL_CLIENT */
+#ifdef CONFIG_TLS_INTERNAL_SERVER
+	if (global->server) {
+		conn->server = tlsv1_server_init(global->server_cred);
+		if (conn->server == NULL) {
+			os_free(conn);
+			return NULL;
+		}
+	}
+#endif /* CONFIG_TLS_INTERNAL_SERVER */
+
+	return conn;
+}
+
+
+void tls_connection_deinit(void *tls_ctx, struct tls_connection *conn)
+{
+	if (conn == NULL)
+		return;
+#ifdef CONFIG_TLS_INTERNAL_CLIENT
+	if (conn->client)
+		tlsv1_client_deinit(conn->client);
+#endif /* CONFIG_TLS_INTERNAL_CLIENT */
+#ifdef CONFIG_TLS_INTERNAL_SERVER
+	if (conn->server)
+		tlsv1_server_deinit(conn->server);
+#endif /* CONFIG_TLS_INTERNAL_SERVER */
+	os_free(conn);
+}
+
+
+int tls_connection_established(void *tls_ctx, struct tls_connection *conn)
+{
+#ifdef CONFIG_TLS_INTERNAL_CLIENT
+	if (conn->client)
+		return tlsv1_client_established(conn->client);
+#endif /* CONFIG_TLS_INTERNAL_CLIENT */
+#ifdef CONFIG_TLS_INTERNAL_SERVER
+	if (conn->server)
+		return tlsv1_server_established(conn->server);
+#endif /* CONFIG_TLS_INTERNAL_SERVER */
+	return 0;
+}
+
+
+int tls_connection_shutdown(void *tls_ctx, struct tls_connection *conn)
+{
+#ifdef CONFIG_TLS_INTERNAL_CLIENT
+	if (conn->client)
+		return tlsv1_client_shutdown(conn->client);
+#endif /* CONFIG_TLS_INTERNAL_CLIENT */
+#ifdef CONFIG_TLS_INTERNAL_SERVER
+	if (conn->server)
+		return tlsv1_server_shutdown(conn->server);
+#endif /* CONFIG_TLS_INTERNAL_SERVER */
+	return -1;
+}
+
+
+int tls_connection_set_params(void *tls_ctx, struct tls_connection *conn,
+			      const struct tls_connection_params *params)
+{
+#ifdef CONFIG_TLS_INTERNAL_CLIENT
+	struct tlsv1_credentials *cred;
+
+	if (conn->client == NULL)
+		return -1;
+
+	cred = tlsv1_cred_alloc();
+	if (cred == NULL)
+		return -1;
+
+	if (tlsv1_set_ca_cert(cred, params->ca_cert,
+			      params->ca_cert_blob, params->ca_cert_blob_len,
+			      params->ca_path)) {
+		wpa_printf(MSG_INFO, "TLS: Failed to configure trusted CA "
+			   "certificates");
+		tlsv1_cred_free(cred);
+		return -1;
+	}
+
+	if (tlsv1_set_cert(cred, params->client_cert,
+			   params->client_cert_blob,
+			   params->client_cert_blob_len)) {
+		wpa_printf(MSG_INFO, "TLS: Failed to configure client "
+			   "certificate");
+		tlsv1_cred_free(cred);
+		return -1;
+	}
+
+	if (tlsv1_set_private_key(cred, params->private_key,
+				  params->private_key_passwd,
+				  params->private_key_blob,
+				  params->private_key_blob_len)) {
+		wpa_printf(MSG_INFO, "TLS: Failed to load private key");
+		tlsv1_cred_free(cred);
+		return -1;
+	}
+
+	if (tlsv1_set_dhparams(cred, params->dh_file, params->dh_blob,
+			       params->dh_blob_len)) {
+		wpa_printf(MSG_INFO, "TLS: Failed to load DH parameters");
+		tlsv1_cred_free(cred);
+		return -1;
+	}
+
+	if (tlsv1_client_set_cred(conn->client, cred) < 0) {
+		tlsv1_cred_free(cred);
+		return -1;
+	}
+
+	return 0;
+#else /* CONFIG_TLS_INTERNAL_CLIENT */
+	return -1;
+#endif /* CONFIG_TLS_INTERNAL_CLIENT */
+}
+
+
+int tls_global_set_params(void *tls_ctx,
+			  const struct tls_connection_params *params)
+{
+#ifdef CONFIG_TLS_INTERNAL_SERVER
+	struct tls_global *global = tls_ctx;
+	struct tlsv1_credentials *cred;
+
+	/* Currently, global parameters are only set when running in server
+	 * mode. */
+	global->server = 1;
+	tlsv1_cred_free(global->server_cred);
+	global->server_cred = cred = tlsv1_cred_alloc();
+	if (cred == NULL)
+		return -1;
+
+	if (tlsv1_set_ca_cert(cred, params->ca_cert, params->ca_cert_blob,
+			      params->ca_cert_blob_len, params->ca_path)) {
+		wpa_printf(MSG_INFO, "TLS: Failed to configure trusted CA "
+			   "certificates");
+		return -1;
+	}
+
+	if (tlsv1_set_cert(cred, params->client_cert, params->client_cert_blob,
+			   params->client_cert_blob_len)) {
+		wpa_printf(MSG_INFO, "TLS: Failed to configure server "
+			   "certificate");
+		return -1;
+	}
+
+	if (tlsv1_set_private_key(cred, params->private_key,
+				  params->private_key_passwd,
+				  params->private_key_blob,
+				  params->private_key_blob_len)) {
+		wpa_printf(MSG_INFO, "TLS: Failed to load private key");
+		return -1;
+	}
+
+	if (tlsv1_set_dhparams(cred, params->dh_file, params->dh_blob,
+			       params->dh_blob_len)) {
+		wpa_printf(MSG_INFO, "TLS: Failed to load DH parameters");
+		return -1;
+	}
+
+	return 0;
+#else /* CONFIG_TLS_INTERNAL_SERVER */
+	return -1;
+#endif /* CONFIG_TLS_INTERNAL_SERVER */
+}
+
+
+int tls_global_set_verify(void *tls_ctx, int check_crl)
+{
+	struct tls_global *global = tls_ctx;
+	global->check_crl = check_crl;
+	return 0;
+}
+
+
+int tls_connection_set_verify(void *tls_ctx, struct tls_connection *conn,
+			      int verify_peer)
+{
+#ifdef CONFIG_TLS_INTERNAL_SERVER
+	if (conn->server)
+		return tlsv1_server_set_verify(conn->server, verify_peer);
+#endif /* CONFIG_TLS_INTERNAL_SERVER */
+	return -1;
+}
+
+
+int tls_connection_set_ia(void *tls_ctx, struct tls_connection *conn,
+			  int tls_ia)
+{
+	return -1;
+}
+
+
+int tls_connection_get_keys(void *tls_ctx, struct tls_connection *conn,
+			    struct tls_keys *keys)
+{
+#ifdef CONFIG_TLS_INTERNAL_CLIENT
+	if (conn->client)
+		return tlsv1_client_get_keys(conn->client, keys);
+#endif /* CONFIG_TLS_INTERNAL_CLIENT */
+#ifdef CONFIG_TLS_INTERNAL_SERVER
+	if (conn->server)
+		return tlsv1_server_get_keys(conn->server, keys);
+#endif /* CONFIG_TLS_INTERNAL_SERVER */
+	return -1;
+}
+
+
+int tls_connection_prf(void *tls_ctx, struct tls_connection *conn,
+		       const char *label, int server_random_first,
+		       u8 *out, size_t out_len)
+{
+#ifdef CONFIG_TLS_INTERNAL_CLIENT
+	if (conn->client) {
+		return tlsv1_client_prf(conn->client, label,
+					server_random_first,
+					out, out_len);
+	}
+#endif /* CONFIG_TLS_INTERNAL_CLIENT */
+#ifdef CONFIG_TLS_INTERNAL_SERVER
+	if (conn->server) {
+		return tlsv1_server_prf(conn->server, label,
+					server_random_first,
+					out, out_len);
+	}
+#endif /* CONFIG_TLS_INTERNAL_SERVER */
+	return -1;
+}
+
+
+struct wpabuf * tls_connection_handshake(void *tls_ctx,
+					 struct tls_connection *conn,
+					 const struct wpabuf *in_data,
+					 struct wpabuf **appl_data)
+{
+#ifdef CONFIG_TLS_INTERNAL_CLIENT
+	u8 *res, *ad;
+	size_t res_len, ad_len;
+	struct wpabuf *out;
+
+	if (conn->client == NULL)
+		return NULL;
+
+	ad = NULL;
+	res = tlsv1_client_handshake(conn->client,
+				     in_data ? wpabuf_head(in_data) : NULL,
+				     in_data ? wpabuf_len(in_data) : 0,
+				     &res_len, &ad, &ad_len);
+	if (res == NULL)
+		return NULL;
+	out = wpabuf_alloc_ext_data(res, res_len);
+	if (out == NULL) {
+		os_free(res);
+		os_free(ad);
+		return NULL;
+	}
+	if (appl_data) {
+		if (ad) {
+			*appl_data = wpabuf_alloc_ext_data(ad, ad_len);
+			if (*appl_data == NULL)
+				os_free(ad);
+		} else
+			*appl_data = NULL;
+	} else
+		os_free(ad);
+
+	return out;
+#else /* CONFIG_TLS_INTERNAL_CLIENT */
+	return NULL;
+#endif /* CONFIG_TLS_INTERNAL_CLIENT */
+}
+
+
+struct wpabuf * tls_connection_server_handshake(void *tls_ctx,
+						struct tls_connection *conn,
+						const struct wpabuf *in_data,
+						struct wpabuf **appl_data)
+{
+#ifdef CONFIG_TLS_INTERNAL_SERVER
+	u8 *res;
+	size_t res_len;
+	struct wpabuf *out;
+
+	if (conn->server == NULL)
+		return NULL;
+
+	if (appl_data)
+		*appl_data = NULL;
+
+	res = tlsv1_server_handshake(conn->server, wpabuf_head(in_data),
+				     wpabuf_len(in_data), &res_len);
+	if (res == NULL && tlsv1_server_established(conn->server))
+		return wpabuf_alloc(0);
+	if (res == NULL)
+		return NULL;
+	out = wpabuf_alloc_ext_data(res, res_len);
+	if (out == NULL) {
+		os_free(res);
+		return NULL;
+	}
+
+	return out;
+#else /* CONFIG_TLS_INTERNAL_SERVER */
+	return NULL;
+#endif /* CONFIG_TLS_INTERNAL_SERVER */
+}
+
+
+struct wpabuf * tls_connection_encrypt(void *tls_ctx,
+				       struct tls_connection *conn,
+				       const struct wpabuf *in_data)
+{
+#ifdef CONFIG_TLS_INTERNAL_CLIENT
+	if (conn->client) {
+		struct wpabuf *buf;
+		int res;
+		buf = wpabuf_alloc(wpabuf_len(in_data) + 300);
+		if (buf == NULL)
+			return NULL;
+		res = tlsv1_client_encrypt(conn->client, wpabuf_head(in_data),
+					   wpabuf_len(in_data),
+					   wpabuf_mhead(buf),
+					   wpabuf_size(buf));
+		if (res < 0) {
+			wpabuf_free(buf);
+			return NULL;
+		}
+		wpabuf_put(buf, res);
+		return buf;
+	}
+#endif /* CONFIG_TLS_INTERNAL_CLIENT */
+#ifdef CONFIG_TLS_INTERNAL_SERVER
+	if (conn->server) {
+		struct wpabuf *buf;
+		int res;
+		buf = wpabuf_alloc(wpabuf_len(in_data) + 300);
+		if (buf == NULL)
+			return NULL;
+		res = tlsv1_server_encrypt(conn->server, wpabuf_head(in_data),
+					   wpabuf_len(in_data),
+					   wpabuf_mhead(buf),
+					   wpabuf_size(buf));
+		if (res < 0) {
+			wpabuf_free(buf);
+			return NULL;
+		}
+		wpabuf_put(buf, res);
+		return buf;
+	}
+#endif /* CONFIG_TLS_INTERNAL_SERVER */
+	return NULL;
+}
+
+
+struct wpabuf * tls_connection_decrypt(void *tls_ctx,
+				       struct tls_connection *conn,
+				       const struct wpabuf *in_data)
+{
+#ifdef CONFIG_TLS_INTERNAL_CLIENT
+	if (conn->client) {
+		struct wpabuf *buf;
+		int res;
+		buf = wpabuf_alloc((wpabuf_len(in_data) + 500) * 3);
+		if (buf == NULL)
+			return NULL;
+		res = tlsv1_client_decrypt(conn->client, wpabuf_head(in_data),
+					   wpabuf_len(in_data),
+					   wpabuf_mhead(buf),
+					   wpabuf_size(buf));
+		if (res < 0) {
+			wpabuf_free(buf);
+			return NULL;
+		}
+		wpabuf_put(buf, res);
+		return buf;
+	}
+#endif /* CONFIG_TLS_INTERNAL_CLIENT */
+#ifdef CONFIG_TLS_INTERNAL_SERVER
+	if (conn->server) {
+		struct wpabuf *buf;
+		int res;
+		buf = wpabuf_alloc((wpabuf_len(in_data) + 500) * 3);
+		if (buf == NULL)
+			return NULL;
+		res = tlsv1_server_decrypt(conn->server, wpabuf_head(in_data),
+					   wpabuf_len(in_data),
+					   wpabuf_mhead(buf),
+					   wpabuf_size(buf));
+		if (res < 0) {
+			wpabuf_free(buf);
+			return NULL;
+		}
+		wpabuf_put(buf, res);
+		return buf;
+	}
+#endif /* CONFIG_TLS_INTERNAL_SERVER */
+	return NULL;
+}
+
+
+int tls_connection_resumed(void *tls_ctx, struct tls_connection *conn)
+{
+#ifdef CONFIG_TLS_INTERNAL_CLIENT
+	if (conn->client)
+		return tlsv1_client_resumed(conn->client);
+#endif /* CONFIG_TLS_INTERNAL_CLIENT */
+#ifdef CONFIG_TLS_INTERNAL_SERVER
+	if (conn->server)
+		return tlsv1_server_resumed(conn->server);
+#endif /* CONFIG_TLS_INTERNAL_SERVER */
+	return -1;
+}
+
+
+int tls_connection_set_cipher_list(void *tls_ctx, struct tls_connection *conn,
+				   u8 *ciphers)
+{
+#ifdef CONFIG_TLS_INTERNAL_CLIENT
+	if (conn->client)
+		return tlsv1_client_set_cipher_list(conn->client, ciphers);
+#endif /* CONFIG_TLS_INTERNAL_CLIENT */
+#ifdef CONFIG_TLS_INTERNAL_SERVER
+	if (conn->server)
+		return tlsv1_server_set_cipher_list(conn->server, ciphers);
+#endif /* CONFIG_TLS_INTERNAL_SERVER */
+	return -1;
+}
+
+
+int tls_get_cipher(void *tls_ctx, struct tls_connection *conn,
+		   char *buf, size_t buflen)
+{
+	if (conn == NULL)
+		return -1;
+#ifdef CONFIG_TLS_INTERNAL_CLIENT
+	if (conn->client)
+		return tlsv1_client_get_cipher(conn->client, buf, buflen);
+#endif /* CONFIG_TLS_INTERNAL_CLIENT */
+#ifdef CONFIG_TLS_INTERNAL_SERVER
+	if (conn->server)
+		return tlsv1_server_get_cipher(conn->server, buf, buflen);
+#endif /* CONFIG_TLS_INTERNAL_SERVER */
+	return -1;
+}
+
+
+int tls_connection_enable_workaround(void *tls_ctx,
+				     struct tls_connection *conn)
+{
+	return -1;
+}
+
+
+int tls_connection_client_hello_ext(void *tls_ctx, struct tls_connection *conn,
+				    int ext_type, const u8 *data,
+				    size_t data_len)
+{
+#ifdef CONFIG_TLS_INTERNAL_CLIENT
+	if (conn->client) {
+		return tlsv1_client_hello_ext(conn->client, ext_type,
+					      data, data_len);
+	}
+#endif /* CONFIG_TLS_INTERNAL_CLIENT */
+	return -1;
+}
+
+
+int tls_connection_get_failed(void *tls_ctx, struct tls_connection *conn)
+{
+	return 0;
+}
+
+
+int tls_connection_get_read_alerts(void *tls_ctx, struct tls_connection *conn)
+{
+	return 0;
+}
+
+
+int tls_connection_get_write_alerts(void *tls_ctx,
+				    struct tls_connection *conn)
+{
+	return 0;
+}
+
+
+int tls_connection_get_keyblock_size(void *tls_ctx,
+				     struct tls_connection *conn)
+{
+#ifdef CONFIG_TLS_INTERNAL_CLIENT
+	if (conn->client)
+		return tlsv1_client_get_keyblock_size(conn->client);
+#endif /* CONFIG_TLS_INTERNAL_CLIENT */
+#ifdef CONFIG_TLS_INTERNAL_SERVER
+	if (conn->server)
+		return tlsv1_server_get_keyblock_size(conn->server);
+#endif /* CONFIG_TLS_INTERNAL_SERVER */
+	return -1;
+}
+
+
+unsigned int tls_capabilities(void *tls_ctx)
+{
+	return 0;
+}
+
+
+struct wpabuf * tls_connection_ia_send_phase_finished(
+	void *tls_ctx, struct tls_connection *conn, int final)
+{
+	return NULL;
+}
+
+
+int tls_connection_ia_final_phase_finished(void *tls_ctx,
+					   struct tls_connection *conn)
+{
+	return -1;
+}
+
+
+int tls_connection_ia_permute_inner_secret(void *tls_ctx,
+					   struct tls_connection *conn,
+					   const u8 *key, size_t key_len)
+{
+	return -1;
+}
+
+
+int tls_connection_set_session_ticket_cb(void *tls_ctx,
+					 struct tls_connection *conn,
+					 tls_session_ticket_cb cb,
+					 void *ctx)
+{
+#ifdef CONFIG_TLS_INTERNAL_CLIENT
+	if (conn->client) {
+		tlsv1_client_set_session_ticket_cb(conn->client, cb, ctx);
+		return 0;
+	}
+#endif /* CONFIG_TLS_INTERNAL_CLIENT */
+#ifdef CONFIG_TLS_INTERNAL_SERVER
+	if (conn->server) {
+		tlsv1_server_set_session_ticket_cb(conn->server, cb, ctx);
+		return 0;
+	}
+#endif /* CONFIG_TLS_INTERNAL_SERVER */
+	return -1;
+}
diff --git a/src/crypto/tls_none.c b/src/crypto/tls_none.c
new file mode 100644
index 0000000..0c836bb
--- /dev/null
+++ b/src/crypto/tls_none.c
@@ -0,0 +1,229 @@
+/*
+ * SSL/TLS interface functions for no TLS case
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "tls.h"
+
+void * tls_init(const struct tls_config *conf)
+{
+	return (void *) 1;
+}
+
+
+void tls_deinit(void *ssl_ctx)
+{
+}
+
+
+int tls_get_errors(void *tls_ctx)
+{
+	return 0;
+}
+
+
+struct tls_connection * tls_connection_init(void *tls_ctx)
+{
+	return NULL;
+}
+
+
+void tls_connection_deinit(void *tls_ctx, struct tls_connection *conn)
+{
+}
+
+
+int tls_connection_established(void *tls_ctx, struct tls_connection *conn)
+{
+	return -1;
+}
+
+
+int tls_connection_shutdown(void *tls_ctx, struct tls_connection *conn)
+{
+	return -1;
+}
+
+
+int tls_connection_set_params(void *tls_ctx, struct tls_connection *conn,
+			      const struct tls_connection_params *params)
+{
+	return -1;
+}
+
+
+int tls_global_set_params(void *tls_ctx,
+			  const struct tls_connection_params *params)
+{
+	return -1;
+}
+
+
+int tls_global_set_verify(void *tls_ctx, int check_crl)
+{
+	return -1;
+}
+
+
+int tls_connection_set_verify(void *tls_ctx, struct tls_connection *conn,
+			      int verify_peer)
+{
+	return -1;
+}
+
+
+int tls_connection_set_ia(void *tls_ctx, struct tls_connection *conn,
+			  int tls_ia)
+{
+	return -1;
+}
+
+
+int tls_connection_get_keys(void *tls_ctx, struct tls_connection *conn,
+			    struct tls_keys *keys)
+{
+	return -1;
+}
+
+
+int tls_connection_prf(void *tls_ctx, struct tls_connection *conn,
+		       const char *label, int server_random_first,
+		       u8 *out, size_t out_len)
+{
+	return -1;
+}
+
+
+struct wpabuf * tls_connection_handshake(void *tls_ctx,
+					 struct tls_connection *conn,
+					 const struct wpabuf *in_data,
+					 struct wpabuf **appl_data)
+{
+	return NULL;
+}
+
+
+struct wpabuf * tls_connection_server_handshake(void *tls_ctx,
+						struct tls_connection *conn,
+						const struct wpabuf *in_data,
+						struct wpabuf **appl_data)
+{
+	return NULL;
+}
+
+
+struct wpabuf * tls_connection_encrypt(void *tls_ctx,
+				       struct tls_connection *conn,
+				       const struct wpabuf *in_data)
+{
+	return NULL;
+}
+
+
+struct wpabuf * tls_connection_decrypt(void *tls_ctx,
+				       struct tls_connection *conn,
+				       const struct wpabuf *in_data)
+{
+	return NULL;
+}
+
+
+int tls_connection_resumed(void *tls_ctx, struct tls_connection *conn)
+{
+	return 0;
+}
+
+
+int tls_connection_set_cipher_list(void *tls_ctx, struct tls_connection *conn,
+				   u8 *ciphers)
+{
+	return -1;
+}
+
+
+int tls_get_cipher(void *tls_ctx, struct tls_connection *conn,
+		   char *buf, size_t buflen)
+{
+	return -1;
+}
+
+
+int tls_connection_enable_workaround(void *tls_ctx,
+				     struct tls_connection *conn)
+{
+	return -1;
+}
+
+
+int tls_connection_client_hello_ext(void *tls_ctx, struct tls_connection *conn,
+				    int ext_type, const u8 *data,
+				    size_t data_len)
+{
+	return -1;
+}
+
+
+int tls_connection_get_failed(void *tls_ctx, struct tls_connection *conn)
+{
+	return 0;
+}
+
+
+int tls_connection_get_read_alerts(void *tls_ctx, struct tls_connection *conn)
+{
+	return 0;
+}
+
+
+int tls_connection_get_write_alerts(void *tls_ctx,
+				    struct tls_connection *conn)
+{
+	return 0;
+}
+
+
+int tls_connection_get_keyblock_size(void *tls_ctx,
+				     struct tls_connection *conn)
+{
+	return -1;
+}
+
+
+unsigned int tls_capabilities(void *tls_ctx)
+{
+	return 0;
+}
+
+
+struct wpabuf * tls_connection_ia_send_phase_finished(
+	void *tls_ctx, struct tls_connection *conn, int final)
+{
+	return NULL;
+}
+
+
+int tls_connection_ia_final_phase_finished(void *tls_ctx,
+					   struct tls_connection *conn)
+{
+	return -1;
+}
+
+
+int tls_connection_ia_permute_inner_secret(void *tls_ctx,
+					   struct tls_connection *conn,
+					   const u8 *key, size_t key_len)
+{
+	return -1;
+}
diff --git a/src/crypto/tls_nss.c b/src/crypto/tls_nss.c
new file mode 100644
index 0000000..ad834b6
--- /dev/null
+++ b/src/crypto/tls_nss.c
@@ -0,0 +1,680 @@
+/*
+ * SSL/TLS interface functions for NSS
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <nspr/prtypes.h>
+#include <nspr/plarenas.h>
+#include <nspr/plhash.h>
+#include <nspr/prio.h>
+#include <nspr/prclist.h>
+#include <nspr/prlock.h>
+#include <nspr/prinit.h>
+#include <nspr/prerror.h>
+#include <nspr/prmem.h>
+#include <nss/nss.h>
+#include <nss/nssilckt.h>
+#include <nss/ssl.h>
+#include <nss/pk11func.h>
+#include <nss/secerr.h>
+
+#include "common.h"
+#include "tls.h"
+
+static int tls_nss_ref_count = 0;
+
+static PRDescIdentity nss_layer_id;
+
+
+struct tls_connection {
+	PRFileDesc *fd;
+
+	int established;
+	int verify_peer;
+	u8 *push_buf, *pull_buf, *pull_buf_offset;
+	size_t push_buf_len, pull_buf_len;
+};
+
+
+static PRStatus nss_io_close(PRFileDesc *fd)
+{
+	wpa_printf(MSG_DEBUG, "NSS: I/O close");
+	return PR_SUCCESS;
+}
+
+
+static PRInt32 nss_io_read(PRFileDesc *fd, void *buf, PRInt32 amount)
+{
+	wpa_printf(MSG_DEBUG, "NSS: I/O read(%d)", amount);
+	return PR_FAILURE;
+}
+
+
+static PRInt32 nss_io_write(PRFileDesc *fd, const void *buf, PRInt32 amount)
+{
+	wpa_printf(MSG_DEBUG, "NSS: I/O write(%d)", amount);
+	return PR_FAILURE;
+}
+
+
+static PRInt32 nss_io_writev(PRFileDesc *fd, const PRIOVec *iov,
+			     PRInt32 iov_size, PRIntervalTime timeout)
+{
+	wpa_printf(MSG_DEBUG, "NSS: I/O writev(%d)", iov_size);
+	return PR_FAILURE;
+}
+
+
+static PRInt32 nss_io_recv(PRFileDesc *fd, void *buf, PRInt32 amount,
+			   PRIntn flags, PRIntervalTime timeout)
+{
+	struct tls_connection *conn = (struct tls_connection *) fd->secret;
+	u8 *end;
+
+	wpa_printf(MSG_DEBUG, "NSS: I/O recv(%d)", amount);
+
+	if (conn->pull_buf == NULL) {
+		wpa_printf(MSG_DEBUG, "NSS: No data available to be read yet");
+		return PR_FAILURE;
+	}
+
+	end = conn->pull_buf + conn->pull_buf_len;
+	if (end - conn->pull_buf_offset < amount)
+		amount = end - conn->pull_buf_offset;
+	os_memcpy(buf, conn->pull_buf_offset, amount);
+	conn->pull_buf_offset += amount;
+	if (conn->pull_buf_offset == end) {
+		wpa_printf(MSG_DEBUG, "%s - pull_buf consumed", __func__);
+		os_free(conn->pull_buf);
+		conn->pull_buf = conn->pull_buf_offset = NULL;
+		conn->pull_buf_len = 0;
+	} else {
+		wpa_printf(MSG_DEBUG, "%s - %lu bytes remaining in pull_buf",
+			   __func__,
+			   (unsigned long) (end - conn->pull_buf_offset));
+	}
+	return amount;
+}
+
+
+static PRInt32 nss_io_send(PRFileDesc *fd, const void *buf, PRInt32 amount,
+			   PRIntn flags, PRIntervalTime timeout)
+{
+	struct tls_connection *conn = (struct tls_connection *) fd->secret;
+	u8 *nbuf;
+
+	wpa_printf(MSG_DEBUG, "NSS: I/O %s", __func__);
+	wpa_hexdump(MSG_MSGDUMP, "NSS: I/O send data", buf, amount);
+
+	nbuf = os_realloc(conn->push_buf, conn->push_buf_len + amount);
+	if (nbuf == NULL) {
+		wpa_printf(MSG_ERROR, "NSS: Failed to allocate memory for the "
+			   "data to be sent");
+		return PR_FAILURE;
+	}
+	os_memcpy(nbuf + conn->push_buf_len, buf, amount);
+	conn->push_buf = nbuf;
+	conn->push_buf_len += amount;
+
+	return amount;
+}
+
+
+static PRInt32 nss_io_recvfrom(PRFileDesc *fd, void *buf, PRInt32 amount,
+			       PRIntn flags, PRNetAddr *addr,
+			       PRIntervalTime timeout)
+{
+	wpa_printf(MSG_DEBUG, "NSS: I/O %s", __func__);
+	return PR_FAILURE;
+}
+
+
+static PRInt32 nss_io_sendto(PRFileDesc *fd, const void *buf, PRInt32 amount,
+			     PRIntn flags, const PRNetAddr *addr,
+			     PRIntervalTime timeout)
+{
+	wpa_printf(MSG_DEBUG, "NSS: I/O %s", __func__);
+	return PR_FAILURE;
+}
+
+
+static PRStatus nss_io_getpeername(PRFileDesc *fd, PRNetAddr *addr)
+{
+	wpa_printf(MSG_DEBUG, "NSS: I/O getpeername");
+
+	/*
+	 * It Looks like NSS only supports IPv4 and IPv6 TCP sockets. Provide a
+	 * fake IPv4 address to work around this even though we are not really
+	 * using TCP.
+	 */
+	os_memset(addr, 0, sizeof(*addr));
+	addr->inet.family = PR_AF_INET;
+
+	return PR_SUCCESS;
+}
+
+
+static PRStatus nss_io_getsocketoption(PRFileDesc *fd,
+				       PRSocketOptionData *data)
+{
+	switch (data->option) {
+	case PR_SockOpt_Nonblocking:
+		wpa_printf(MSG_DEBUG, "NSS: I/O getsocketoption(Nonblocking)");
+		data->value.non_blocking = PR_TRUE;
+		return PR_SUCCESS;
+	default:
+		wpa_printf(MSG_DEBUG, "NSS: I/O getsocketoption(%d)",
+			   data->option);
+		return PR_FAILURE;
+	}
+}
+
+
+static const PRIOMethods nss_io = {
+	PR_DESC_LAYERED,
+	nss_io_close,
+	nss_io_read,
+	nss_io_write,
+	NULL /* available */,
+	NULL /* available64 */,
+	NULL /* fsync */,
+	NULL /* fseek */,
+	NULL /* fseek64 */,
+	NULL /* fileinfo */,
+	NULL /* fileinfo64 */,
+	nss_io_writev,
+	NULL /* connect */,
+	NULL /* accept */,
+	NULL /* bind */,
+	NULL /* listen */,
+	NULL /* shutdown */,
+	nss_io_recv,
+	nss_io_send,
+	nss_io_recvfrom,
+	nss_io_sendto,
+	NULL /* poll */,
+	NULL /* acceptread */,
+	NULL /* transmitfile */,
+	NULL /* getsockname */,
+	nss_io_getpeername,
+	NULL /* reserved_fn_6 */,
+	NULL /* reserved_fn_5 */,
+	nss_io_getsocketoption,
+	NULL /* setsocketoption */,
+	NULL /* sendfile */,
+	NULL /* connectcontinue */,
+	NULL /* reserved_fn_3 */,
+	NULL /* reserved_fn_2 */,
+	NULL /* reserved_fn_1 */,
+	NULL /* reserved_fn_0 */
+};
+
+
+static char * nss_password_cb(PK11SlotInfo *slot, PRBool retry, void *arg)
+{
+	wpa_printf(MSG_ERROR, "NSS: TODO - %s", __func__);
+	return NULL;
+}
+
+
+void * tls_init(const struct tls_config *conf)
+{
+	char *dir;
+
+	tls_nss_ref_count++;
+	if (tls_nss_ref_count > 1)
+		return (void *) 1;
+
+	PR_Init(PR_SYSTEM_THREAD, PR_PRIORITY_NORMAL, 1);
+
+	nss_layer_id = PR_GetUniqueIdentity("wpa_supplicant");
+
+	PK11_SetPasswordFunc(nss_password_cb);
+
+	dir = getenv("SSL_DIR");
+	if (dir) {
+		if (NSS_Init(dir) != SECSuccess) {
+			wpa_printf(MSG_ERROR, "NSS: NSS_Init(cert_dir=%s) "
+				   "failed", dir);
+			return NULL;
+		}
+	} else {
+		if (NSS_NoDB_Init(NULL) != SECSuccess) {
+			wpa_printf(MSG_ERROR, "NSS: NSS_NoDB_Init(NULL) "
+				   "failed");
+			return NULL;
+		}
+	}
+
+	if (SSL_OptionSetDefault(SSL_V2_COMPATIBLE_HELLO, PR_FALSE) !=
+	    SECSuccess ||
+	    SSL_OptionSetDefault(SSL_ENABLE_SSL3, PR_FALSE) != SECSuccess ||
+	    SSL_OptionSetDefault(SSL_ENABLE_SSL2, PR_FALSE) != SECSuccess ||
+	    SSL_OptionSetDefault(SSL_ENABLE_TLS, PR_TRUE) != SECSuccess) {
+		wpa_printf(MSG_ERROR, "NSS: SSL_OptionSetDefault failed");
+		return NULL;
+	}
+
+	if (NSS_SetDomesticPolicy() != SECSuccess) {
+		wpa_printf(MSG_ERROR, "NSS: NSS_SetDomesticPolicy() failed");
+		return NULL;
+	}
+
+	return (void *) 1;
+}
+
+void tls_deinit(void *ssl_ctx)
+{
+	tls_nss_ref_count--;
+	if (tls_nss_ref_count == 0) {
+		if (NSS_Shutdown() != SECSuccess)
+			wpa_printf(MSG_ERROR, "NSS: NSS_Shutdown() failed");
+	}
+}
+
+
+int tls_get_errors(void *tls_ctx)
+{
+	return 0;
+}
+
+
+static SECStatus nss_bad_cert_cb(void *arg, PRFileDesc *fd)
+{
+	struct tls_connection *conn = arg;
+	SECStatus res = SECSuccess;
+	PRErrorCode err;
+	CERTCertificate *cert;
+	char *subject, *issuer;
+
+	err = PR_GetError();
+	if (IS_SEC_ERROR(err))
+		wpa_printf(MSG_DEBUG, "NSS: Bad Server Certificate (sec err "
+			   "%d)", err - SEC_ERROR_BASE);
+	else
+		wpa_printf(MSG_DEBUG, "NSS: Bad Server Certificate (err %d)",
+			   err);
+	cert = SSL_PeerCertificate(fd);
+	subject = CERT_NameToAscii(&cert->subject);
+	issuer = CERT_NameToAscii(&cert->issuer);
+	wpa_printf(MSG_DEBUG, "NSS: Peer certificate subject='%s' issuer='%s'",
+		   subject, issuer);
+	CERT_DestroyCertificate(cert);
+	PR_Free(subject);
+	PR_Free(issuer);
+	if (conn->verify_peer)
+		res = SECFailure;
+
+	return res;
+}
+
+
+static void nss_handshake_cb(PRFileDesc *fd, void *client_data)
+{
+	struct tls_connection *conn = client_data;
+	wpa_printf(MSG_DEBUG, "NSS: Handshake completed");
+	conn->established = 1;
+}
+
+
+struct tls_connection * tls_connection_init(void *tls_ctx)
+{
+	struct tls_connection *conn;
+
+	conn = os_zalloc(sizeof(*conn));
+	if (conn == NULL)
+		return NULL;
+
+	conn->fd = PR_CreateIOLayerStub(nss_layer_id, &nss_io);
+	if (conn->fd == NULL) {
+		os_free(conn);
+		return NULL;
+	}
+	conn->fd->secret = (void *) conn;
+
+	conn->fd = SSL_ImportFD(NULL, conn->fd);
+	if (conn->fd == NULL) {
+		os_free(conn);
+		return NULL;
+	}
+
+	if (SSL_OptionSet(conn->fd, SSL_SECURITY, PR_TRUE) != SECSuccess ||
+	    SSL_OptionSet(conn->fd, SSL_HANDSHAKE_AS_CLIENT, PR_TRUE) !=
+	    SECSuccess ||
+	    SSL_OptionSet(conn->fd, SSL_HANDSHAKE_AS_SERVER, PR_FALSE) !=
+	    SECSuccess ||
+	    SSL_OptionSet(conn->fd, SSL_ENABLE_TLS, PR_TRUE) != SECSuccess ||
+	    SSL_BadCertHook(conn->fd, nss_bad_cert_cb, conn) != SECSuccess ||
+	    SSL_HandshakeCallback(conn->fd, nss_handshake_cb, conn) !=
+	    SECSuccess) {
+		wpa_printf(MSG_ERROR, "NSS: Failed to set options");
+		PR_Close(conn->fd);
+		os_free(conn);
+		return NULL;
+	}
+
+	SSL_ResetHandshake(conn->fd, PR_FALSE);
+
+	return conn;
+}
+
+
+void tls_connection_deinit(void *tls_ctx, struct tls_connection *conn)
+{
+	PR_Close(conn->fd);
+	os_free(conn->push_buf);
+	os_free(conn->pull_buf);
+	os_free(conn);
+}
+
+
+int tls_connection_established(void *tls_ctx, struct tls_connection *conn)
+{
+	return conn->established;
+}
+
+
+int tls_connection_shutdown(void *tls_ctx, struct tls_connection *conn)
+{
+	return -1;
+}
+
+
+int tls_connection_set_params(void *tls_ctx, struct tls_connection *conn,
+			      const struct tls_connection_params *params)
+{
+	wpa_printf(MSG_ERROR, "NSS: TODO - %s", __func__);
+	return 0;
+}
+
+
+int tls_global_set_params(void *tls_ctx,
+			  const struct tls_connection_params *params)
+{
+	return -1;
+}
+
+
+int tls_global_set_verify(void *tls_ctx, int check_crl)
+{
+	return -1;
+}
+
+
+int tls_connection_set_verify(void *tls_ctx, struct tls_connection *conn,
+			      int verify_peer)
+{
+	conn->verify_peer = verify_peer;
+	return 0;
+}
+
+
+int tls_connection_set_ia(void *tls_ctx, struct tls_connection *conn,
+			  int tls_ia)
+{
+	return -1;
+}
+
+
+int tls_connection_get_keys(void *tls_ctx, struct tls_connection *conn,
+			    struct tls_keys *keys)
+{
+	/* NSS does not export master secret or client/server random. */
+	return -1;
+}
+
+
+int tls_connection_prf(void *tls_ctx, struct tls_connection *conn,
+		       const char *label, int server_random_first,
+		       u8 *out, size_t out_len)
+{
+	if (conn == NULL || server_random_first) {
+		wpa_printf(MSG_INFO, "NSS: Unsupported PRF request "
+			   "(server_random_first=%d)",
+			   server_random_first);
+		return -1;
+	}
+
+	if (SSL_ExportKeyingMaterial(conn->fd, label, NULL, 0, out, out_len) !=
+	    SECSuccess) {
+		wpa_printf(MSG_INFO, "NSS: Failed to use TLS extractor "
+			   "(label='%s' out_len=%d", label, (int) out_len);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+struct wpabuf * tls_connection_handshake(void *tls_ctx,
+					 struct tls_connection *conn,
+					 const struct wpabuf *in_data,
+					 struct wpabuf **appl_data)
+{
+	struct wpabuf *out_data;
+
+	wpa_printf(MSG_DEBUG, "NSS: handshake: in_len=%u",
+		   in_data ? (unsigned int) wpabuf_len(in_data) : 0);
+
+	if (appl_data)
+		*appl_data = NULL;
+
+	if (in_data && wpabuf_len(in_data) > 0) {
+		if (conn->pull_buf) {
+			wpa_printf(MSG_DEBUG, "%s - %lu bytes remaining in "
+				   "pull_buf", __func__,
+				   (unsigned long) conn->pull_buf_len);
+			os_free(conn->pull_buf);
+		}
+		conn->pull_buf = os_malloc(wpabuf_len(in_data));
+		if (conn->pull_buf == NULL)
+			return NULL;
+		os_memcpy(conn->pull_buf, wpabuf_head(in_data),
+			  wpabuf_len(in_data));
+		conn->pull_buf_offset = conn->pull_buf;
+		conn->pull_buf_len = wpabuf_len(in_data);
+	}
+
+	SSL_ForceHandshake(conn->fd);
+
+	if (conn->established && conn->push_buf == NULL) {
+		/* Need to return something to get final TLS ACK. */
+		conn->push_buf = os_malloc(1);
+	}
+
+	if (conn->push_buf == NULL)
+		return NULL;
+	out_data = wpabuf_alloc_ext_data(conn->push_buf, conn->push_buf_len);
+	if (out_data == NULL)
+		os_free(conn->push_buf);
+	conn->push_buf = NULL;
+	conn->push_buf_len = 0;
+	return out_data;
+}
+
+
+struct wpabuf * tls_connection_server_handshake(void *tls_ctx,
+						struct tls_connection *conn,
+						const struct wpabuf *in_data,
+						struct wpabuf **appl_data)
+{
+	return NULL;
+}
+
+
+struct wpabuf * tls_connection_encrypt(void *tls_ctx,
+				       struct tls_connection *conn,
+				       const struct wpabuf *in_data)
+{
+	PRInt32 res;
+	struct wpabuf *buf;
+
+	wpa_printf(MSG_DEBUG, "NSS: encrypt %d bytes",
+		   (int) wpabuf_len(in_data));
+	res = PR_Send(conn->fd, wpabuf_head(in_data), wpabuf_len(in_data), 0,
+		      0);
+	if (res < 0) {
+		wpa_printf(MSG_ERROR, "NSS: Encryption failed");
+		return NULL;
+	}
+	if (conn->push_buf == NULL)
+		return NULL;
+	buf = wpabuf_alloc_ext_data(conn->push_buf, conn->push_buf_len);
+	if (buf == NULL)
+		os_free(conn->push_buf);
+	conn->push_buf = NULL;
+	conn->push_buf_len = 0;
+	return buf;
+}
+
+
+struct wpabuf * tls_connection_decrypt(void *tls_ctx,
+				       struct tls_connection *conn,
+				       const struct wpabuf *in_data)
+{
+	PRInt32 res;
+	struct wpabuf *out;
+
+	wpa_printf(MSG_DEBUG, "NSS: decrypt %d bytes",
+		   (int) wpabuf_len(in_data));
+	if (conn->pull_buf) {
+		wpa_printf(MSG_DEBUG, "%s - %lu bytes remaining in "
+			   "pull_buf", __func__,
+			   (unsigned long) conn->pull_buf_len);
+		os_free(conn->pull_buf);
+	}
+	conn->pull_buf = os_malloc(wpabuf_len(in_data));
+	if (conn->pull_buf == NULL)
+		return NULL;
+	os_memcpy(conn->pull_buf, wpabuf_head(in_data), wpabuf_len(in_data));
+	conn->pull_buf_offset = conn->pull_buf;
+	conn->pull_buf_len = wpabuf_len(in_data);
+
+	/*
+	 * Even though we try to disable TLS compression, it is possible that
+	 * this cannot be done with all TLS libraries. Add extra buffer space
+	 * to handle the possibility of the decrypted data being longer than
+	 * input data.
+	 */
+	out = wpabuf_alloc((wpabuf_len(in_data) + 500) * 3);
+	if (out == NULL)
+		return NULL;
+
+	res = PR_Recv(conn->fd, wpabuf_mhead(out), wpabuf_size(out), 0, 0);
+	wpa_printf(MSG_DEBUG, "NSS: PR_Recv: %d", res);
+	if (res < 0) {
+		wpabuf_free(out);
+		return NULL;
+	}
+	wpabuf_put(out, res);
+
+	return out;
+}
+
+
+int tls_connection_resumed(void *tls_ctx, struct tls_connection *conn)
+{
+	return 0;
+}
+
+
+int tls_connection_set_cipher_list(void *tls_ctx, struct tls_connection *conn,
+				   u8 *ciphers)
+{
+	return -1;
+}
+
+
+int tls_get_cipher(void *tls_ctx, struct tls_connection *conn,
+		   char *buf, size_t buflen)
+{
+	return -1;
+}
+
+
+int tls_connection_enable_workaround(void *tls_ctx,
+				     struct tls_connection *conn)
+{
+	return -1;
+}
+
+
+int tls_connection_client_hello_ext(void *tls_ctx, struct tls_connection *conn,
+				    int ext_type, const u8 *data,
+				    size_t data_len)
+{
+	return -1;
+}
+
+
+int tls_connection_get_failed(void *tls_ctx, struct tls_connection *conn)
+{
+	return 0;
+}
+
+
+int tls_connection_get_read_alerts(void *tls_ctx, struct tls_connection *conn)
+{
+	return 0;
+}
+
+
+int tls_connection_get_write_alerts(void *tls_ctx,
+				    struct tls_connection *conn)
+{
+	return 0;
+}
+
+
+int tls_connection_get_keyblock_size(void *tls_ctx,
+				     struct tls_connection *conn)
+{
+	return -1;
+}
+
+
+unsigned int tls_capabilities(void *tls_ctx)
+{
+	return 0;
+}
+
+
+struct wpabuf * tls_connection_ia_send_phase_finished(
+	void *tls_ctx, struct tls_connection *conn, int final)
+{
+	return NULL;
+}
+
+
+int tls_connection_ia_final_phase_finished(void *tls_ctx,
+					   struct tls_connection *conn)
+{
+	return -1;
+}
+
+
+int tls_connection_ia_permute_inner_secret(void *tls_ctx,
+					   struct tls_connection *conn,
+					   const u8 *key, size_t key_len)
+{
+	return -1;
+}
+
+
+int tls_connection_set_session_ticket_cb(void *tls_ctx,
+					 struct tls_connection *conn,
+					 tls_session_ticket_cb cb,
+					 void *ctx)
+{
+	return -1;
+}
diff --git a/src/crypto/tls_openssl.c b/src/crypto/tls_openssl.c
new file mode 100644
index 0000000..bf92a11
--- /dev/null
+++ b/src/crypto/tls_openssl.c
@@ -0,0 +1,2992 @@
+/*
+ * SSL/TLS interface functions for OpenSSL
+ * Copyright (c) 2004-2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#ifndef CONFIG_SMARTCARD
+#ifndef OPENSSL_NO_ENGINE
+#define OPENSSL_NO_ENGINE
+#endif
+#endif
+
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <openssl/pkcs12.h>
+#include <openssl/x509v3.h>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif /* OPENSSL_NO_ENGINE */
+
+#ifdef ANDROID
+#include <openssl/pem.h>
+#include "keystore_get.h"
+#endif /* ANDROID */
+
+#include "common.h"
+#include "crypto.h"
+#include "tls.h"
+
+#if OPENSSL_VERSION_NUMBER >= 0x0090800fL
+#define OPENSSL_d2i_TYPE const unsigned char **
+#else
+#define OPENSSL_d2i_TYPE unsigned char **
+#endif
+
+#ifdef SSL_F_SSL_SET_SESSION_TICKET_EXT
+#ifdef SSL_OP_NO_TICKET
+/*
+ * Session ticket override patch was merged into OpenSSL 0.9.9 tree on
+ * 2008-11-15. This version uses a bit different API compared to the old patch.
+ */
+#define CONFIG_OPENSSL_TICKET_OVERRIDE
+#endif
+#endif
+
+static int tls_openssl_ref_count = 0;
+
+struct tls_global {
+	void (*event_cb)(void *ctx, enum tls_event ev,
+			 union tls_event_data *data);
+	void *cb_ctx;
+};
+
+static struct tls_global *tls_global = NULL;
+
+
+struct tls_connection {
+	SSL *ssl;
+	BIO *ssl_in, *ssl_out;
+#ifndef OPENSSL_NO_ENGINE
+	ENGINE *engine;        /* functional reference to the engine */
+	EVP_PKEY *private_key; /* the private key if using engine */
+#endif /* OPENSSL_NO_ENGINE */
+	char *subject_match, *altsubject_match;
+	int read_alerts, write_alerts, failed;
+
+	tls_session_ticket_cb session_ticket_cb;
+	void *session_ticket_cb_ctx;
+
+	/* SessionTicket received from OpenSSL hello_extension_cb (server) */
+	u8 *session_ticket;
+	size_t session_ticket_len;
+
+	unsigned int ca_cert_verify:1;
+	unsigned int cert_probe:1;
+	unsigned int server_cert_only:1;
+
+	u8 srv_cert_hash[32];
+};
+
+
+#ifdef CONFIG_NO_STDOUT_DEBUG
+
+static void _tls_show_errors(void)
+{
+	unsigned long err;
+
+	while ((err = ERR_get_error())) {
+		/* Just ignore the errors, since stdout is disabled */
+	}
+}
+#define tls_show_errors(l, f, t) _tls_show_errors()
+
+#else /* CONFIG_NO_STDOUT_DEBUG */
+
+static void tls_show_errors(int level, const char *func, const char *txt)
+{
+	unsigned long err;
+
+	wpa_printf(level, "OpenSSL: %s - %s %s",
+		   func, txt, ERR_error_string(ERR_get_error(), NULL));
+
+	while ((err = ERR_get_error())) {
+		wpa_printf(MSG_INFO, "OpenSSL: pending error: %s",
+			   ERR_error_string(err, NULL));
+	}
+}
+
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+
+
+#ifdef CONFIG_NATIVE_WINDOWS
+
+/* Windows CryptoAPI and access to certificate stores */
+#include <wincrypt.h>
+
+#ifdef __MINGW32_VERSION
+/*
+ * MinGW does not yet include all the needed definitions for CryptoAPI, so
+ * define here whatever extra is needed.
+ */
+#define CERT_SYSTEM_STORE_CURRENT_USER (1 << 16)
+#define CERT_STORE_READONLY_FLAG 0x00008000
+#define CERT_STORE_OPEN_EXISTING_FLAG 0x00004000
+
+#endif /* __MINGW32_VERSION */
+
+
+struct cryptoapi_rsa_data {
+	const CERT_CONTEXT *cert;
+	HCRYPTPROV crypt_prov;
+	DWORD key_spec;
+	BOOL free_crypt_prov;
+};
+
+
+static void cryptoapi_error(const char *msg)
+{
+	wpa_printf(MSG_INFO, "CryptoAPI: %s; err=%u",
+		   msg, (unsigned int) GetLastError());
+}
+
+
+static int cryptoapi_rsa_pub_enc(int flen, const unsigned char *from,
+				 unsigned char *to, RSA *rsa, int padding)
+{
+	wpa_printf(MSG_DEBUG, "%s - not implemented", __func__);
+	return 0;
+}
+
+
+static int cryptoapi_rsa_pub_dec(int flen, const unsigned char *from,
+				 unsigned char *to, RSA *rsa, int padding)
+{
+	wpa_printf(MSG_DEBUG, "%s - not implemented", __func__);
+	return 0;
+}
+
+
+static int cryptoapi_rsa_priv_enc(int flen, const unsigned char *from,
+				  unsigned char *to, RSA *rsa, int padding)
+{
+	struct cryptoapi_rsa_data *priv =
+		(struct cryptoapi_rsa_data *) rsa->meth->app_data;
+	HCRYPTHASH hash;
+	DWORD hash_size, len, i;
+	unsigned char *buf = NULL;
+	int ret = 0;
+
+	if (priv == NULL) {
+		RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT,
+		       ERR_R_PASSED_NULL_PARAMETER);
+		return 0;
+	}
+
+	if (padding != RSA_PKCS1_PADDING) {
+		RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT,
+		       RSA_R_UNKNOWN_PADDING_TYPE);
+		return 0;
+	}
+
+	if (flen != 16 /* MD5 */ + 20 /* SHA-1 */) {
+		wpa_printf(MSG_INFO, "%s - only MD5-SHA1 hash supported",
+			   __func__);
+		RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT,
+		       RSA_R_INVALID_MESSAGE_LENGTH);
+		return 0;
+	}
+
+	if (!CryptCreateHash(priv->crypt_prov, CALG_SSL3_SHAMD5, 0, 0, &hash))
+	{
+		cryptoapi_error("CryptCreateHash failed");
+		return 0;
+	}
+
+	len = sizeof(hash_size);
+	if (!CryptGetHashParam(hash, HP_HASHSIZE, (BYTE *) &hash_size, &len,
+			       0)) {
+		cryptoapi_error("CryptGetHashParam failed");
+		goto err;
+	}
+
+	if ((int) hash_size != flen) {
+		wpa_printf(MSG_INFO, "CryptoAPI: Invalid hash size (%u != %d)",
+			   (unsigned) hash_size, flen);
+		RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT,
+		       RSA_R_INVALID_MESSAGE_LENGTH);
+		goto err;
+	}
+	if (!CryptSetHashParam(hash, HP_HASHVAL, (BYTE * ) from, 0)) {
+		cryptoapi_error("CryptSetHashParam failed");
+		goto err;
+	}
+
+	len = RSA_size(rsa);
+	buf = os_malloc(len);
+	if (buf == NULL) {
+		RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT, ERR_R_MALLOC_FAILURE);
+		goto err;
+	}
+
+	if (!CryptSignHash(hash, priv->key_spec, NULL, 0, buf, &len)) {
+		cryptoapi_error("CryptSignHash failed");
+		goto err;
+	}
+
+	for (i = 0; i < len; i++)
+		to[i] = buf[len - i - 1];
+	ret = len;
+
+err:
+	os_free(buf);
+	CryptDestroyHash(hash);
+
+	return ret;
+}
+
+
+static int cryptoapi_rsa_priv_dec(int flen, const unsigned char *from,
+				  unsigned char *to, RSA *rsa, int padding)
+{
+	wpa_printf(MSG_DEBUG, "%s - not implemented", __func__);
+	return 0;
+}
+
+
+static void cryptoapi_free_data(struct cryptoapi_rsa_data *priv)
+{
+	if (priv == NULL)
+		return;
+	if (priv->crypt_prov && priv->free_crypt_prov)
+		CryptReleaseContext(priv->crypt_prov, 0);
+	if (priv->cert)
+		CertFreeCertificateContext(priv->cert);
+	os_free(priv);
+}
+
+
+static int cryptoapi_finish(RSA *rsa)
+{
+	cryptoapi_free_data((struct cryptoapi_rsa_data *) rsa->meth->app_data);
+	os_free((void *) rsa->meth);
+	rsa->meth = NULL;
+	return 1;
+}
+
+
+static const CERT_CONTEXT * cryptoapi_find_cert(const char *name, DWORD store)
+{
+	HCERTSTORE cs;
+	const CERT_CONTEXT *ret = NULL;
+
+	cs = CertOpenStore((LPCSTR) CERT_STORE_PROV_SYSTEM, 0, 0,
+			   store | CERT_STORE_OPEN_EXISTING_FLAG |
+			   CERT_STORE_READONLY_FLAG, L"MY");
+	if (cs == NULL) {
+		cryptoapi_error("Failed to open 'My system store'");
+		return NULL;
+	}
+
+	if (strncmp(name, "cert://", 7) == 0) {
+		unsigned short wbuf[255];
+		MultiByteToWideChar(CP_ACP, 0, name + 7, -1, wbuf, 255);
+		ret = CertFindCertificateInStore(cs, X509_ASN_ENCODING |
+						 PKCS_7_ASN_ENCODING,
+						 0, CERT_FIND_SUBJECT_STR,
+						 wbuf, NULL);
+	} else if (strncmp(name, "hash://", 7) == 0) {
+		CRYPT_HASH_BLOB blob;
+		int len;
+		const char *hash = name + 7;
+		unsigned char *buf;
+
+		len = os_strlen(hash) / 2;
+		buf = os_malloc(len);
+		if (buf && hexstr2bin(hash, buf, len) == 0) {
+			blob.cbData = len;
+			blob.pbData = buf;
+			ret = CertFindCertificateInStore(cs,
+							 X509_ASN_ENCODING |
+							 PKCS_7_ASN_ENCODING,
+							 0, CERT_FIND_HASH,
+							 &blob, NULL);
+		}
+		os_free(buf);
+	}
+
+	CertCloseStore(cs, 0);
+
+	return ret;
+}
+
+
+static int tls_cryptoapi_cert(SSL *ssl, const char *name)
+{
+	X509 *cert = NULL;
+	RSA *rsa = NULL, *pub_rsa;
+	struct cryptoapi_rsa_data *priv;
+	RSA_METHOD *rsa_meth;
+
+	if (name == NULL ||
+	    (strncmp(name, "cert://", 7) != 0 &&
+	     strncmp(name, "hash://", 7) != 0))
+		return -1;
+
+	priv = os_zalloc(sizeof(*priv));
+	rsa_meth = os_zalloc(sizeof(*rsa_meth));
+	if (priv == NULL || rsa_meth == NULL) {
+		wpa_printf(MSG_WARNING, "CryptoAPI: Failed to allocate memory "
+			   "for CryptoAPI RSA method");
+		os_free(priv);
+		os_free(rsa_meth);
+		return -1;
+	}
+
+	priv->cert = cryptoapi_find_cert(name, CERT_SYSTEM_STORE_CURRENT_USER);
+	if (priv->cert == NULL) {
+		priv->cert = cryptoapi_find_cert(
+			name, CERT_SYSTEM_STORE_LOCAL_MACHINE);
+	}
+	if (priv->cert == NULL) {
+		wpa_printf(MSG_INFO, "CryptoAPI: Could not find certificate "
+			   "'%s'", name);
+		goto err;
+	}
+
+	cert = d2i_X509(NULL, (OPENSSL_d2i_TYPE) &priv->cert->pbCertEncoded,
+			priv->cert->cbCertEncoded);
+	if (cert == NULL) {
+		wpa_printf(MSG_INFO, "CryptoAPI: Could not process X509 DER "
+			   "encoding");
+		goto err;
+	}
+
+	if (!CryptAcquireCertificatePrivateKey(priv->cert,
+					       CRYPT_ACQUIRE_COMPARE_KEY_FLAG,
+					       NULL, &priv->crypt_prov,
+					       &priv->key_spec,
+					       &priv->free_crypt_prov)) {
+		cryptoapi_error("Failed to acquire a private key for the "
+				"certificate");
+		goto err;
+	}
+
+	rsa_meth->name = "Microsoft CryptoAPI RSA Method";
+	rsa_meth->rsa_pub_enc = cryptoapi_rsa_pub_enc;
+	rsa_meth->rsa_pub_dec = cryptoapi_rsa_pub_dec;
+	rsa_meth->rsa_priv_enc = cryptoapi_rsa_priv_enc;
+	rsa_meth->rsa_priv_dec = cryptoapi_rsa_priv_dec;
+	rsa_meth->finish = cryptoapi_finish;
+	rsa_meth->flags = RSA_METHOD_FLAG_NO_CHECK;
+	rsa_meth->app_data = (char *) priv;
+
+	rsa = RSA_new();
+	if (rsa == NULL) {
+		SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE,
+		       ERR_R_MALLOC_FAILURE);
+		goto err;
+	}
+
+	if (!SSL_use_certificate(ssl, cert)) {
+		RSA_free(rsa);
+		rsa = NULL;
+		goto err;
+	}
+	pub_rsa = cert->cert_info->key->pkey->pkey.rsa;
+	X509_free(cert);
+	cert = NULL;
+
+	rsa->n = BN_dup(pub_rsa->n);
+	rsa->e = BN_dup(pub_rsa->e);
+	if (!RSA_set_method(rsa, rsa_meth))
+		goto err;
+
+	if (!SSL_use_RSAPrivateKey(ssl, rsa))
+		goto err;
+	RSA_free(rsa);
+
+	return 0;
+
+err:
+	if (cert)
+		X509_free(cert);
+	if (rsa)
+		RSA_free(rsa);
+	else {
+		os_free(rsa_meth);
+		cryptoapi_free_data(priv);
+	}
+	return -1;
+}
+
+
+static int tls_cryptoapi_ca_cert(SSL_CTX *ssl_ctx, SSL *ssl, const char *name)
+{
+	HCERTSTORE cs;
+	PCCERT_CONTEXT ctx = NULL;
+	X509 *cert;
+	char buf[128];
+	const char *store;
+#ifdef UNICODE
+	WCHAR *wstore;
+#endif /* UNICODE */
+
+	if (name == NULL || strncmp(name, "cert_store://", 13) != 0)
+		return -1;
+
+	store = name + 13;
+#ifdef UNICODE
+	wstore = os_malloc((os_strlen(store) + 1) * sizeof(WCHAR));
+	if (wstore == NULL)
+		return -1;
+	wsprintf(wstore, L"%S", store);
+	cs = CertOpenSystemStore(0, wstore);
+	os_free(wstore);
+#else /* UNICODE */
+	cs = CertOpenSystemStore(0, store);
+#endif /* UNICODE */
+	if (cs == NULL) {
+		wpa_printf(MSG_DEBUG, "%s: failed to open system cert store "
+			   "'%s': error=%d", __func__, store,
+			   (int) GetLastError());
+		return -1;
+	}
+
+	while ((ctx = CertEnumCertificatesInStore(cs, ctx))) {
+		cert = d2i_X509(NULL, (OPENSSL_d2i_TYPE) &ctx->pbCertEncoded,
+				ctx->cbCertEncoded);
+		if (cert == NULL) {
+			wpa_printf(MSG_INFO, "CryptoAPI: Could not process "
+				   "X509 DER encoding for CA cert");
+			continue;
+		}
+
+		X509_NAME_oneline(X509_get_subject_name(cert), buf,
+				  sizeof(buf));
+		wpa_printf(MSG_DEBUG, "OpenSSL: Loaded CA certificate for "
+			   "system certificate store: subject='%s'", buf);
+
+		if (!X509_STORE_add_cert(ssl_ctx->cert_store, cert)) {
+			tls_show_errors(MSG_WARNING, __func__,
+					"Failed to add ca_cert to OpenSSL "
+					"certificate store");
+		}
+
+		X509_free(cert);
+	}
+
+	if (!CertCloseStore(cs, 0)) {
+		wpa_printf(MSG_DEBUG, "%s: failed to close system cert store "
+			   "'%s': error=%d", __func__, name + 13,
+			   (int) GetLastError());
+	}
+
+	return 0;
+}
+
+
+#else /* CONFIG_NATIVE_WINDOWS */
+
+static int tls_cryptoapi_cert(SSL *ssl, const char *name)
+{
+	return -1;
+}
+
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+
+static void ssl_info_cb(const SSL *ssl, int where, int ret)
+{
+	const char *str;
+	int w;
+
+	wpa_printf(MSG_DEBUG, "SSL: (where=0x%x ret=0x%x)", where, ret);
+	w = where & ~SSL_ST_MASK;
+	if (w & SSL_ST_CONNECT)
+		str = "SSL_connect";
+	else if (w & SSL_ST_ACCEPT)
+		str = "SSL_accept";
+	else
+		str = "undefined";
+
+	if (where & SSL_CB_LOOP) {
+		wpa_printf(MSG_DEBUG, "SSL: %s:%s",
+			   str, SSL_state_string_long(ssl));
+	} else if (where & SSL_CB_ALERT) {
+		wpa_printf(MSG_INFO, "SSL: SSL3 alert: %s:%s:%s",
+			   where & SSL_CB_READ ?
+			   "read (remote end reported an error)" :
+			   "write (local SSL3 detected an error)",
+			   SSL_alert_type_string_long(ret),
+			   SSL_alert_desc_string_long(ret));
+		if ((ret >> 8) == SSL3_AL_FATAL) {
+			struct tls_connection *conn =
+				SSL_get_app_data((SSL *) ssl);
+			if (where & SSL_CB_READ)
+				conn->read_alerts++;
+			else
+				conn->write_alerts++;
+		}
+	} else if (where & SSL_CB_EXIT && ret <= 0) {
+		wpa_printf(MSG_DEBUG, "SSL: %s:%s in %s",
+			   str, ret == 0 ? "failed" : "error",
+			   SSL_state_string_long(ssl));
+	}
+}
+
+
+#ifndef OPENSSL_NO_ENGINE
+/**
+ * tls_engine_load_dynamic_generic - load any openssl engine
+ * @pre: an array of commands and values that load an engine initialized
+ *       in the engine specific function
+ * @post: an array of commands and values that initialize an already loaded
+ *        engine (or %NULL if not required)
+ * @id: the engine id of the engine to load (only required if post is not %NULL
+ *
+ * This function is a generic function that loads any openssl engine.
+ *
+ * Returns: 0 on success, -1 on failure
+ */
+static int tls_engine_load_dynamic_generic(const char *pre[],
+					   const char *post[], const char *id)
+{
+	ENGINE *engine;
+	const char *dynamic_id = "dynamic";
+
+	engine = ENGINE_by_id(id);
+	if (engine) {
+		ENGINE_free(engine);
+		wpa_printf(MSG_DEBUG, "ENGINE: engine '%s' is already "
+			   "available", id);
+		return 0;
+	}
+	ERR_clear_error();
+
+	engine = ENGINE_by_id(dynamic_id);
+	if (engine == NULL) {
+		wpa_printf(MSG_INFO, "ENGINE: Can't find engine %s [%s]",
+			   dynamic_id,
+			   ERR_error_string(ERR_get_error(), NULL));
+		return -1;
+	}
+
+	/* Perform the pre commands. This will load the engine. */
+	while (pre && pre[0]) {
+		wpa_printf(MSG_DEBUG, "ENGINE: '%s' '%s'", pre[0], pre[1]);
+		if (ENGINE_ctrl_cmd_string(engine, pre[0], pre[1], 0) == 0) {
+			wpa_printf(MSG_INFO, "ENGINE: ctrl cmd_string failed: "
+				   "%s %s [%s]", pre[0], pre[1],
+				   ERR_error_string(ERR_get_error(), NULL));
+			ENGINE_free(engine);
+			return -1;
+		}
+		pre += 2;
+	}
+
+	/*
+	 * Free the reference to the "dynamic" engine. The loaded engine can
+	 * now be looked up using ENGINE_by_id().
+	 */
+	ENGINE_free(engine);
+
+	engine = ENGINE_by_id(id);
+	if (engine == NULL) {
+		wpa_printf(MSG_INFO, "ENGINE: Can't find engine %s [%s]",
+			   id, ERR_error_string(ERR_get_error(), NULL));
+		return -1;
+	}
+
+	while (post && post[0]) {
+		wpa_printf(MSG_DEBUG, "ENGINE: '%s' '%s'", post[0], post[1]);
+		if (ENGINE_ctrl_cmd_string(engine, post[0], post[1], 0) == 0) {
+			wpa_printf(MSG_DEBUG, "ENGINE: ctrl cmd_string failed:"
+				" %s %s [%s]", post[0], post[1],
+				   ERR_error_string(ERR_get_error(), NULL));
+			ENGINE_remove(engine);
+			ENGINE_free(engine);
+			return -1;
+		}
+		post += 2;
+	}
+	ENGINE_free(engine);
+
+	return 0;
+}
+
+
+/**
+ * tls_engine_load_dynamic_pkcs11 - load the pkcs11 engine provided by opensc
+ * @pkcs11_so_path: pksc11_so_path from the configuration
+ * @pcks11_module_path: pkcs11_module_path from the configuration
+ */
+static int tls_engine_load_dynamic_pkcs11(const char *pkcs11_so_path,
+					  const char *pkcs11_module_path)
+{
+	char *engine_id = "pkcs11";
+	const char *pre_cmd[] = {
+		"SO_PATH", NULL /* pkcs11_so_path */,
+		"ID", NULL /* engine_id */,
+		"LIST_ADD", "1",
+		/* "NO_VCHECK", "1", */
+		"LOAD", NULL,
+		NULL, NULL
+	};
+	const char *post_cmd[] = {
+		"MODULE_PATH", NULL /* pkcs11_module_path */,
+		NULL, NULL
+	};
+
+	if (!pkcs11_so_path || !pkcs11_module_path)
+		return 0;
+
+	pre_cmd[1] = pkcs11_so_path;
+	pre_cmd[3] = engine_id;
+	post_cmd[1] = pkcs11_module_path;
+
+	wpa_printf(MSG_DEBUG, "ENGINE: Loading pkcs11 Engine from %s",
+		   pkcs11_so_path);
+
+	return tls_engine_load_dynamic_generic(pre_cmd, post_cmd, engine_id);
+}
+
+
+/**
+ * tls_engine_load_dynamic_opensc - load the opensc engine provided by opensc
+ * @opensc_so_path: opensc_so_path from the configuration
+ */
+static int tls_engine_load_dynamic_opensc(const char *opensc_so_path)
+{
+	char *engine_id = "opensc";
+	const char *pre_cmd[] = {
+		"SO_PATH", NULL /* opensc_so_path */,
+		"ID", NULL /* engine_id */,
+		"LIST_ADD", "1",
+		"LOAD", NULL,
+		NULL, NULL
+	};
+
+	if (!opensc_so_path)
+		return 0;
+
+	pre_cmd[1] = opensc_so_path;
+	pre_cmd[3] = engine_id;
+
+	wpa_printf(MSG_DEBUG, "ENGINE: Loading OpenSC Engine from %s",
+		   opensc_so_path);
+
+	return tls_engine_load_dynamic_generic(pre_cmd, NULL, engine_id);
+}
+#endif /* OPENSSL_NO_ENGINE */
+
+
+void * tls_init(const struct tls_config *conf)
+{
+	SSL_CTX *ssl;
+
+	if (tls_openssl_ref_count == 0) {
+		tls_global = os_zalloc(sizeof(*tls_global));
+		if (tls_global == NULL)
+			return NULL;
+		if (conf) {
+			tls_global->event_cb = conf->event_cb;
+			tls_global->cb_ctx = conf->cb_ctx;
+		}
+
+#ifdef CONFIG_FIPS
+#ifdef OPENSSL_FIPS
+		if (conf && conf->fips_mode) {
+			if (!FIPS_mode_set(1)) {
+				wpa_printf(MSG_ERROR, "Failed to enable FIPS "
+					   "mode");
+				ERR_load_crypto_strings();
+				ERR_print_errors_fp(stderr);
+				return NULL;
+			} else
+				wpa_printf(MSG_INFO, "Running in FIPS mode");
+		}
+#else /* OPENSSL_FIPS */
+		if (conf && conf->fips_mode) {
+			wpa_printf(MSG_ERROR, "FIPS mode requested, but not "
+				   "supported");
+			return NULL;
+		}
+#endif /* OPENSSL_FIPS */
+#endif /* CONFIG_FIPS */
+		SSL_load_error_strings();
+		SSL_library_init();
+#if (OPENSSL_VERSION_NUMBER >= 0x0090800fL) && !defined(OPENSSL_NO_SHA256)
+		EVP_add_digest(EVP_sha256());
+#endif /* OPENSSL_NO_SHA256 */
+		/* TODO: if /dev/urandom is available, PRNG is seeded
+		 * automatically. If this is not the case, random data should
+		 * be added here. */
+
+#ifdef PKCS12_FUNCS
+#ifndef OPENSSL_NO_RC2
+		/*
+		 * 40-bit RC2 is commonly used in PKCS#12 files, so enable it.
+		 * This is enabled by PKCS12_PBE_add() in OpenSSL 0.9.8
+		 * versions, but it looks like OpenSSL 1.0.0 does not do that
+		 * anymore.
+		 */
+		EVP_add_cipher(EVP_rc2_40_cbc());
+#endif /* OPENSSL_NO_RC2 */
+		PKCS12_PBE_add();
+#endif  /* PKCS12_FUNCS */
+	}
+	tls_openssl_ref_count++;
+
+	ssl = SSL_CTX_new(TLSv1_method());
+	if (ssl == NULL)
+		return NULL;
+
+	SSL_CTX_set_info_callback(ssl, ssl_info_cb);
+
+#ifndef OPENSSL_NO_ENGINE
+	if (conf &&
+	    (conf->opensc_engine_path || conf->pkcs11_engine_path ||
+	     conf->pkcs11_module_path)) {
+		wpa_printf(MSG_DEBUG, "ENGINE: Loading dynamic engine");
+		ERR_load_ENGINE_strings();
+		ENGINE_load_dynamic();
+
+		if (tls_engine_load_dynamic_opensc(conf->opensc_engine_path) ||
+		    tls_engine_load_dynamic_pkcs11(conf->pkcs11_engine_path,
+						   conf->pkcs11_module_path)) {
+			tls_deinit(ssl);
+			return NULL;
+		}
+	}
+#endif /* OPENSSL_NO_ENGINE */
+
+	return ssl;
+}
+
+
+void tls_deinit(void *ssl_ctx)
+{
+	SSL_CTX *ssl = ssl_ctx;
+	SSL_CTX_free(ssl);
+
+	tls_openssl_ref_count--;
+	if (tls_openssl_ref_count == 0) {
+#ifndef OPENSSL_NO_ENGINE
+		ENGINE_cleanup();
+#endif /* OPENSSL_NO_ENGINE */
+		CRYPTO_cleanup_all_ex_data();
+		ERR_remove_state(0);
+		ERR_free_strings();
+		EVP_cleanup();
+		os_free(tls_global);
+		tls_global = NULL;
+	}
+}
+
+
+static int tls_engine_init(struct tls_connection *conn, const char *engine_id,
+			   const char *pin, const char *key_id,
+			   const char *cert_id, const char *ca_cert_id)
+{
+#ifndef OPENSSL_NO_ENGINE
+	int ret = -1;
+	if (engine_id == NULL) {
+		wpa_printf(MSG_ERROR, "ENGINE: Engine ID not set");
+		return -1;
+	}
+	if (pin == NULL) {
+		wpa_printf(MSG_ERROR, "ENGINE: Smartcard PIN not set");
+		return -1;
+	}
+	if (key_id == NULL) {
+		wpa_printf(MSG_ERROR, "ENGINE: Key Id not set");
+		return -1;
+	}
+
+	ERR_clear_error();
+	conn->engine = ENGINE_by_id(engine_id);
+	if (!conn->engine) {
+		wpa_printf(MSG_ERROR, "ENGINE: engine %s not available [%s]",
+			   engine_id, ERR_error_string(ERR_get_error(), NULL));
+		goto err;
+	}
+	if (ENGINE_init(conn->engine) != 1) {
+		wpa_printf(MSG_ERROR, "ENGINE: engine init failed "
+			   "(engine: %s) [%s]", engine_id,
+			   ERR_error_string(ERR_get_error(), NULL));
+		goto err;
+	}
+	wpa_printf(MSG_DEBUG, "ENGINE: engine initialized");
+
+	if (ENGINE_ctrl_cmd_string(conn->engine, "PIN", pin, 0) == 0) {
+		wpa_printf(MSG_ERROR, "ENGINE: cannot set pin [%s]",
+			   ERR_error_string(ERR_get_error(), NULL));
+		goto err;
+	}
+	/* load private key first in-case PIN is required for cert */
+	conn->private_key = ENGINE_load_private_key(conn->engine,
+						    key_id, NULL, NULL);
+	if (!conn->private_key) {
+		wpa_printf(MSG_ERROR, "ENGINE: cannot load private key with id"
+				" '%s' [%s]", key_id,
+			   ERR_error_string(ERR_get_error(), NULL));
+		ret = TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED;
+		goto err;
+	}
+
+	/* handle a certificate and/or CA certificate */
+	if (cert_id || ca_cert_id) {
+		const char *cmd_name = "LOAD_CERT_CTRL";
+
+		/* test if the engine supports a LOAD_CERT_CTRL */
+		if (!ENGINE_ctrl(conn->engine, ENGINE_CTRL_GET_CMD_FROM_NAME,
+				 0, (void *)cmd_name, NULL)) {
+			wpa_printf(MSG_ERROR, "ENGINE: engine does not support"
+				   " loading certificates");
+			ret = TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED;
+			goto err;
+		}
+	}
+
+	return 0;
+
+err:
+	if (conn->engine) {
+		ENGINE_free(conn->engine);
+		conn->engine = NULL;
+	}
+
+	if (conn->private_key) {
+		EVP_PKEY_free(conn->private_key);
+		conn->private_key = NULL;
+	}
+
+	return ret;
+#else /* OPENSSL_NO_ENGINE */
+	return 0;
+#endif /* OPENSSL_NO_ENGINE */
+}
+
+
+static void tls_engine_deinit(struct tls_connection *conn)
+{
+#ifndef OPENSSL_NO_ENGINE
+	wpa_printf(MSG_DEBUG, "ENGINE: engine deinit");
+	if (conn->private_key) {
+		EVP_PKEY_free(conn->private_key);
+		conn->private_key = NULL;
+	}
+	if (conn->engine) {
+		ENGINE_finish(conn->engine);
+		conn->engine = NULL;
+	}
+#endif /* OPENSSL_NO_ENGINE */
+}
+
+
+int tls_get_errors(void *ssl_ctx)
+{
+	int count = 0;
+	unsigned long err;
+
+	while ((err = ERR_get_error())) {
+		wpa_printf(MSG_INFO, "TLS - SSL error: %s",
+			   ERR_error_string(err, NULL));
+		count++;
+	}
+
+	return count;
+}
+
+struct tls_connection * tls_connection_init(void *ssl_ctx)
+{
+	SSL_CTX *ssl = ssl_ctx;
+	struct tls_connection *conn;
+	long options;
+
+	conn = os_zalloc(sizeof(*conn));
+	if (conn == NULL)
+		return NULL;
+	conn->ssl = SSL_new(ssl);
+	if (conn->ssl == NULL) {
+		tls_show_errors(MSG_INFO, __func__,
+				"Failed to initialize new SSL connection");
+		os_free(conn);
+		return NULL;
+	}
+
+	SSL_set_app_data(conn->ssl, conn);
+	options = SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 |
+		SSL_OP_SINGLE_DH_USE;
+#ifdef SSL_OP_NO_COMPRESSION
+	options |= SSL_OP_NO_COMPRESSION;
+#endif /* SSL_OP_NO_COMPRESSION */
+	SSL_set_options(conn->ssl, options);
+
+	conn->ssl_in = BIO_new(BIO_s_mem());
+	if (!conn->ssl_in) {
+		tls_show_errors(MSG_INFO, __func__,
+				"Failed to create a new BIO for ssl_in");
+		SSL_free(conn->ssl);
+		os_free(conn);
+		return NULL;
+	}
+
+	conn->ssl_out = BIO_new(BIO_s_mem());
+	if (!conn->ssl_out) {
+		tls_show_errors(MSG_INFO, __func__,
+				"Failed to create a new BIO for ssl_out");
+		SSL_free(conn->ssl);
+		BIO_free(conn->ssl_in);
+		os_free(conn);
+		return NULL;
+	}
+
+	SSL_set_bio(conn->ssl, conn->ssl_in, conn->ssl_out);
+
+	return conn;
+}
+
+
+void tls_connection_deinit(void *ssl_ctx, struct tls_connection *conn)
+{
+	if (conn == NULL)
+		return;
+	SSL_free(conn->ssl);
+	tls_engine_deinit(conn);
+	os_free(conn->subject_match);
+	os_free(conn->altsubject_match);
+	os_free(conn->session_ticket);
+	os_free(conn);
+}
+
+
+int tls_connection_established(void *ssl_ctx, struct tls_connection *conn)
+{
+	return conn ? SSL_is_init_finished(conn->ssl) : 0;
+}
+
+
+int tls_connection_shutdown(void *ssl_ctx, struct tls_connection *conn)
+{
+	if (conn == NULL)
+		return -1;
+
+	/* Shutdown previous TLS connection without notifying the peer
+	 * because the connection was already terminated in practice
+	 * and "close notify" shutdown alert would confuse AS. */
+	SSL_set_quiet_shutdown(conn->ssl, 1);
+	SSL_shutdown(conn->ssl);
+	return 0;
+}
+
+
+static int tls_match_altsubject_component(X509 *cert, int type,
+					  const char *value, size_t len)
+{
+	GENERAL_NAME *gen;
+	void *ext;
+	int i, found = 0;
+
+	ext = X509_get_ext_d2i(cert, NID_subject_alt_name, NULL, NULL);
+
+	for (i = 0; ext && i < sk_GENERAL_NAME_num(ext); i++) {
+		gen = sk_GENERAL_NAME_value(ext, i);
+		if (gen->type != type)
+			continue;
+		if (os_strlen((char *) gen->d.ia5->data) == len &&
+		    os_memcmp(value, gen->d.ia5->data, len) == 0)
+			found++;
+	}
+
+	return found;
+}
+
+
+static int tls_match_altsubject(X509 *cert, const char *match)
+{
+	int type;
+	const char *pos, *end;
+	size_t len;
+
+	pos = match;
+	do {
+		if (os_strncmp(pos, "EMAIL:", 6) == 0) {
+			type = GEN_EMAIL;
+			pos += 6;
+		} else if (os_strncmp(pos, "DNS:", 4) == 0) {
+			type = GEN_DNS;
+			pos += 4;
+		} else if (os_strncmp(pos, "URI:", 4) == 0) {
+			type = GEN_URI;
+			pos += 4;
+		} else {
+			wpa_printf(MSG_INFO, "TLS: Invalid altSubjectName "
+				   "match '%s'", pos);
+			return 0;
+		}
+		end = os_strchr(pos, ';');
+		while (end) {
+			if (os_strncmp(end + 1, "EMAIL:", 6) == 0 ||
+			    os_strncmp(end + 1, "DNS:", 4) == 0 ||
+			    os_strncmp(end + 1, "URI:", 4) == 0)
+				break;
+			end = os_strchr(end + 1, ';');
+		}
+		if (end)
+			len = end - pos;
+		else
+			len = os_strlen(pos);
+		if (tls_match_altsubject_component(cert, type, pos, len) > 0)
+			return 1;
+		pos = end + 1;
+	} while (end);
+
+	return 0;
+}
+
+
+static enum tls_fail_reason openssl_tls_fail_reason(int err)
+{
+	switch (err) {
+	case X509_V_ERR_CERT_REVOKED:
+		return TLS_FAIL_REVOKED;
+	case X509_V_ERR_CERT_NOT_YET_VALID:
+	case X509_V_ERR_CRL_NOT_YET_VALID:
+		return TLS_FAIL_NOT_YET_VALID;
+	case X509_V_ERR_CERT_HAS_EXPIRED:
+	case X509_V_ERR_CRL_HAS_EXPIRED:
+		return TLS_FAIL_EXPIRED;
+	case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
+	case X509_V_ERR_UNABLE_TO_GET_CRL:
+	case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:
+	case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
+	case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
+	case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
+	case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
+	case X509_V_ERR_CERT_CHAIN_TOO_LONG:
+	case X509_V_ERR_PATH_LENGTH_EXCEEDED:
+	case X509_V_ERR_INVALID_CA:
+		return TLS_FAIL_UNTRUSTED;
+	case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
+	case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
+	case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
+	case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
+	case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
+	case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
+	case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
+	case X509_V_ERR_CERT_UNTRUSTED:
+	case X509_V_ERR_CERT_REJECTED:
+		return TLS_FAIL_BAD_CERTIFICATE;
+	default:
+		return TLS_FAIL_UNSPECIFIED;
+	}
+}
+
+
+static struct wpabuf * get_x509_cert(X509 *cert)
+{
+	struct wpabuf *buf;
+	u8 *tmp;
+
+	int cert_len = i2d_X509(cert, NULL);
+	if (cert_len <= 0)
+		return NULL;
+
+	buf = wpabuf_alloc(cert_len);
+	if (buf == NULL)
+		return NULL;
+
+	tmp = wpabuf_put(buf, cert_len);
+	i2d_X509(cert, &tmp);
+	return buf;
+}
+
+
+static void openssl_tls_fail_event(struct tls_connection *conn,
+				   X509 *err_cert, int err, int depth,
+				   const char *subject, const char *err_str,
+				   enum tls_fail_reason reason)
+{
+	union tls_event_data ev;
+	struct wpabuf *cert = NULL;
+
+	if (tls_global->event_cb == NULL)
+		return;
+
+	cert = get_x509_cert(err_cert);
+	os_memset(&ev, 0, sizeof(ev));
+	ev.cert_fail.reason = reason != TLS_FAIL_UNSPECIFIED ?
+		reason : openssl_tls_fail_reason(err);
+	ev.cert_fail.depth = depth;
+	ev.cert_fail.subject = subject;
+	ev.cert_fail.reason_txt = err_str;
+	ev.cert_fail.cert = cert;
+	tls_global->event_cb(tls_global->cb_ctx, TLS_CERT_CHAIN_FAILURE, &ev);
+	wpabuf_free(cert);
+}
+
+
+static void openssl_tls_cert_event(struct tls_connection *conn,
+				   X509 *err_cert, int depth,
+				   const char *subject)
+{
+	struct wpabuf *cert = NULL;
+	union tls_event_data ev;
+#ifdef CONFIG_SHA256
+	u8 hash[32];
+#endif /* CONFIG_SHA256 */
+
+	if (tls_global->event_cb == NULL)
+		return;
+
+	os_memset(&ev, 0, sizeof(ev));
+	if (conn->cert_probe) {
+		cert = get_x509_cert(err_cert);
+		ev.peer_cert.cert = cert;
+	}
+#ifdef CONFIG_SHA256
+	if (cert) {
+		const u8 *addr[1];
+		size_t len[1];
+		addr[0] = wpabuf_head(cert);
+		len[0] = wpabuf_len(cert);
+		if (sha256_vector(1, addr, len, hash) == 0) {
+			ev.peer_cert.hash = hash;
+			ev.peer_cert.hash_len = sizeof(hash);
+		}
+	}
+#endif /* CONFIG_SHA256 */
+	ev.peer_cert.depth = depth;
+	ev.peer_cert.subject = subject;
+	tls_global->event_cb(tls_global->cb_ctx, TLS_PEER_CERTIFICATE, &ev);
+	wpabuf_free(cert);
+}
+
+
+static int tls_verify_cb(int preverify_ok, X509_STORE_CTX *x509_ctx)
+{
+	char buf[256];
+	X509 *err_cert;
+	int err, depth;
+	SSL *ssl;
+	struct tls_connection *conn;
+	char *match, *altmatch;
+	const char *err_str;
+
+	err_cert = X509_STORE_CTX_get_current_cert(x509_ctx);
+	err = X509_STORE_CTX_get_error(x509_ctx);
+	depth = X509_STORE_CTX_get_error_depth(x509_ctx);
+	ssl = X509_STORE_CTX_get_ex_data(x509_ctx,
+					 SSL_get_ex_data_X509_STORE_CTX_idx());
+	X509_NAME_oneline(X509_get_subject_name(err_cert), buf, sizeof(buf));
+
+	conn = SSL_get_app_data(ssl);
+	if (conn == NULL)
+		return 0;
+	match = conn->subject_match;
+	altmatch = conn->altsubject_match;
+
+	if (!preverify_ok && !conn->ca_cert_verify)
+		preverify_ok = 1;
+	if (!preverify_ok && depth > 0 && conn->server_cert_only)
+		preverify_ok = 1;
+
+	err_str = X509_verify_cert_error_string(err);
+
+#ifdef CONFIG_SHA256
+	if (preverify_ok && depth == 0 && conn->server_cert_only) {
+		struct wpabuf *cert;
+		cert = get_x509_cert(err_cert);
+		if (!cert) {
+			wpa_printf(MSG_DEBUG, "OpenSSL: Could not fetch "
+				   "server certificate data");
+			preverify_ok = 0;
+		} else {
+			u8 hash[32];
+			const u8 *addr[1];
+			size_t len[1];
+			addr[0] = wpabuf_head(cert);
+			len[0] = wpabuf_len(cert);
+			if (sha256_vector(1, addr, len, hash) < 0 ||
+			    os_memcmp(conn->srv_cert_hash, hash, 32) != 0) {
+				err_str = "Server certificate mismatch";
+				err = X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN;
+				preverify_ok = 0;
+			}
+			wpabuf_free(cert);
+		}
+	}
+#endif /* CONFIG_SHA256 */
+
+	if (!preverify_ok) {
+		wpa_printf(MSG_WARNING, "TLS: Certificate verification failed,"
+			   " error %d (%s) depth %d for '%s'", err, err_str,
+			   depth, buf);
+		openssl_tls_fail_event(conn, err_cert, err, depth, buf,
+				       err_str, TLS_FAIL_UNSPECIFIED);
+		return preverify_ok;
+	}
+
+	wpa_printf(MSG_DEBUG, "TLS: tls_verify_cb - preverify_ok=%d "
+		   "err=%d (%s) ca_cert_verify=%d depth=%d buf='%s'",
+		   preverify_ok, err, err_str,
+		   conn->ca_cert_verify, depth, buf);
+	if (depth == 0 && match && os_strstr(buf, match) == NULL) {
+		wpa_printf(MSG_WARNING, "TLS: Subject '%s' did not "
+			   "match with '%s'", buf, match);
+		preverify_ok = 0;
+		openssl_tls_fail_event(conn, err_cert, err, depth, buf,
+				       "Subject mismatch",
+				       TLS_FAIL_SUBJECT_MISMATCH);
+	} else if (depth == 0 && altmatch &&
+		   !tls_match_altsubject(err_cert, altmatch)) {
+		wpa_printf(MSG_WARNING, "TLS: altSubjectName match "
+			   "'%s' not found", altmatch);
+		preverify_ok = 0;
+		openssl_tls_fail_event(conn, err_cert, err, depth, buf,
+				       "AltSubject mismatch",
+				       TLS_FAIL_ALTSUBJECT_MISMATCH);
+	} else
+		openssl_tls_cert_event(conn, err_cert, depth, buf);
+
+	if (conn->cert_probe && preverify_ok && depth == 0) {
+		wpa_printf(MSG_DEBUG, "OpenSSL: Reject server certificate "
+			   "on probe-only run");
+		preverify_ok = 0;
+		openssl_tls_fail_event(conn, err_cert, err, depth, buf,
+				       "Server certificate chain probe",
+				       TLS_FAIL_SERVER_CHAIN_PROBE);
+	}
+
+	return preverify_ok;
+}
+
+
+#ifndef OPENSSL_NO_STDIO
+static int tls_load_ca_der(void *_ssl_ctx, const char *ca_cert)
+{
+	SSL_CTX *ssl_ctx = _ssl_ctx;
+	X509_LOOKUP *lookup;
+	int ret = 0;
+
+	lookup = X509_STORE_add_lookup(ssl_ctx->cert_store,
+				       X509_LOOKUP_file());
+	if (lookup == NULL) {
+		tls_show_errors(MSG_WARNING, __func__,
+				"Failed add lookup for X509 store");
+		return -1;
+	}
+
+	if (!X509_LOOKUP_load_file(lookup, ca_cert, X509_FILETYPE_ASN1)) {
+		unsigned long err = ERR_peek_error();
+		tls_show_errors(MSG_WARNING, __func__,
+				"Failed load CA in DER format");
+		if (ERR_GET_LIB(err) == ERR_LIB_X509 &&
+		    ERR_GET_REASON(err) == X509_R_CERT_ALREADY_IN_HASH_TABLE) {
+			wpa_printf(MSG_DEBUG, "OpenSSL: %s - ignoring "
+				   "cert already in hash table error",
+				   __func__);
+		} else
+			ret = -1;
+	}
+
+	return ret;
+}
+#endif /* OPENSSL_NO_STDIO */
+
+
+#ifdef ANDROID
+static BIO * BIO_from_keystore(const char *key)
+{
+	BIO *bio = NULL;
+	char value[KEYSTORE_MESSAGE_SIZE];
+	int length = keystore_get(key, strlen(key), value);
+	if (length != -1 && (bio = BIO_new(BIO_s_mem())) != NULL)
+		BIO_write(bio, value, length);
+	return bio;
+}
+#endif /* ANDROID */
+
+
+static int tls_connection_ca_cert(void *_ssl_ctx, struct tls_connection *conn,
+				  const char *ca_cert, const u8 *ca_cert_blob,
+				  size_t ca_cert_blob_len, const char *ca_path)
+{
+	SSL_CTX *ssl_ctx = _ssl_ctx;
+
+	/*
+	 * Remove previously configured trusted CA certificates before adding
+	 * new ones.
+	 */
+	X509_STORE_free(ssl_ctx->cert_store);
+	ssl_ctx->cert_store = X509_STORE_new();
+	if (ssl_ctx->cert_store == NULL) {
+		wpa_printf(MSG_DEBUG, "OpenSSL: %s - failed to allocate new "
+			   "certificate store", __func__);
+		return -1;
+	}
+
+	SSL_set_verify(conn->ssl, SSL_VERIFY_PEER, tls_verify_cb);
+	conn->ca_cert_verify = 1;
+
+	if (ca_cert && os_strncmp(ca_cert, "probe://", 8) == 0) {
+		wpa_printf(MSG_DEBUG, "OpenSSL: Probe for server certificate "
+			   "chain");
+		conn->cert_probe = 1;
+		conn->ca_cert_verify = 0;
+		return 0;
+	}
+
+	if (ca_cert && os_strncmp(ca_cert, "hash://", 7) == 0) {
+#ifdef CONFIG_SHA256
+		const char *pos = ca_cert + 7;
+		if (os_strncmp(pos, "server/sha256/", 14) != 0) {
+			wpa_printf(MSG_DEBUG, "OpenSSL: Unsupported ca_cert "
+				   "hash value '%s'", ca_cert);
+			return -1;
+		}
+		pos += 14;
+		if (os_strlen(pos) != 32 * 2) {
+			wpa_printf(MSG_DEBUG, "OpenSSL: Unexpected SHA256 "
+				   "hash length in ca_cert '%s'", ca_cert);
+			return -1;
+		}
+		if (hexstr2bin(pos, conn->srv_cert_hash, 32) < 0) {
+			wpa_printf(MSG_DEBUG, "OpenSSL: Invalid SHA256 hash "
+				   "value in ca_cert '%s'", ca_cert);
+			return -1;
+		}
+		conn->server_cert_only = 1;
+		wpa_printf(MSG_DEBUG, "OpenSSL: Checking only server "
+			   "certificate match");
+		return 0;
+#else /* CONFIG_SHA256 */
+		wpa_printf(MSG_INFO, "No SHA256 included in the build - "
+			   "cannot validate server certificate hash");
+		return -1;
+#endif /* CONFIG_SHA256 */
+	}
+
+	if (ca_cert_blob) {
+		X509 *cert = d2i_X509(NULL, (OPENSSL_d2i_TYPE) &ca_cert_blob,
+				      ca_cert_blob_len);
+		if (cert == NULL) {
+			tls_show_errors(MSG_WARNING, __func__,
+					"Failed to parse ca_cert_blob");
+			return -1;
+		}
+
+		if (!X509_STORE_add_cert(ssl_ctx->cert_store, cert)) {
+			unsigned long err = ERR_peek_error();
+			tls_show_errors(MSG_WARNING, __func__,
+					"Failed to add ca_cert_blob to "
+					"certificate store");
+			if (ERR_GET_LIB(err) == ERR_LIB_X509 &&
+			    ERR_GET_REASON(err) ==
+			    X509_R_CERT_ALREADY_IN_HASH_TABLE) {
+				wpa_printf(MSG_DEBUG, "OpenSSL: %s - ignoring "
+					   "cert already in hash table error",
+					   __func__);
+			} else {
+				X509_free(cert);
+				return -1;
+			}
+		}
+		X509_free(cert);
+		wpa_printf(MSG_DEBUG, "OpenSSL: %s - added ca_cert_blob "
+			   "to certificate store", __func__);
+		return 0;
+	}
+
+#ifdef ANDROID
+	if (ca_cert && os_strncmp("keystore://", ca_cert, 11) == 0) {
+		BIO *bio = BIO_from_keystore(&ca_cert[11]);
+		STACK_OF(X509_INFO) *stack = NULL;
+		int i;
+
+		if (bio) {
+			stack = PEM_X509_INFO_read_bio(bio, NULL, NULL, NULL);
+			BIO_free(bio);
+		}
+		if (!stack)
+			return -1;
+
+		for (i = 0; i < sk_X509_INFO_num(stack); ++i) {
+			X509_INFO *info = sk_X509_INFO_value(stack, i);
+			if (info->x509) {
+				X509_STORE_add_cert(ssl_ctx->cert_store,
+						    info->x509);
+			}
+			if (info->crl) {
+				X509_STORE_add_crl(ssl_ctx->cert_store,
+						   info->crl);
+			}
+		}
+		sk_X509_INFO_pop_free(stack, X509_INFO_free);
+		SSL_set_verify(conn->ssl, SSL_VERIFY_PEER, tls_verify_cb);
+		return 0;
+	}
+#endif /* ANDROID */
+
+#ifdef CONFIG_NATIVE_WINDOWS
+	if (ca_cert && tls_cryptoapi_ca_cert(ssl_ctx, conn->ssl, ca_cert) ==
+	    0) {
+		wpa_printf(MSG_DEBUG, "OpenSSL: Added CA certificates from "
+			   "system certificate store");
+		return 0;
+	}
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+	if (ca_cert || ca_path) {
+#ifndef OPENSSL_NO_STDIO
+		if (SSL_CTX_load_verify_locations(ssl_ctx, ca_cert, ca_path) !=
+		    1) {
+			tls_show_errors(MSG_WARNING, __func__,
+					"Failed to load root certificates");
+			if (ca_cert &&
+			    tls_load_ca_der(ssl_ctx, ca_cert) == 0) {
+				wpa_printf(MSG_DEBUG, "OpenSSL: %s - loaded "
+					   "DER format CA certificate",
+					   __func__);
+			} else
+				return -1;
+		} else {
+			wpa_printf(MSG_DEBUG, "TLS: Trusted root "
+				   "certificate(s) loaded");
+			tls_get_errors(ssl_ctx);
+		}
+#else /* OPENSSL_NO_STDIO */
+		wpa_printf(MSG_DEBUG, "OpenSSL: %s - OPENSSL_NO_STDIO",
+			   __func__);
+		return -1;
+#endif /* OPENSSL_NO_STDIO */
+	} else {
+		/* No ca_cert configured - do not try to verify server
+		 * certificate */
+		conn->ca_cert_verify = 0;
+	}
+
+	return 0;
+}
+
+
+static int tls_global_ca_cert(SSL_CTX *ssl_ctx, const char *ca_cert)
+{
+	if (ca_cert) {
+		if (SSL_CTX_load_verify_locations(ssl_ctx, ca_cert, NULL) != 1)
+		{
+			tls_show_errors(MSG_WARNING, __func__,
+					"Failed to load root certificates");
+			return -1;
+		}
+
+		wpa_printf(MSG_DEBUG, "TLS: Trusted root "
+			   "certificate(s) loaded");
+
+#ifndef OPENSSL_NO_STDIO
+		/* Add the same CAs to the client certificate requests */
+		SSL_CTX_set_client_CA_list(ssl_ctx,
+					   SSL_load_client_CA_file(ca_cert));
+#endif /* OPENSSL_NO_STDIO */
+	}
+
+	return 0;
+}
+
+
+int tls_global_set_verify(void *ssl_ctx, int check_crl)
+{
+	int flags;
+
+	if (check_crl) {
+		X509_STORE *cs = SSL_CTX_get_cert_store(ssl_ctx);
+		if (cs == NULL) {
+			tls_show_errors(MSG_INFO, __func__, "Failed to get "
+					"certificate store when enabling "
+					"check_crl");
+			return -1;
+		}
+		flags = X509_V_FLAG_CRL_CHECK;
+		if (check_crl == 2)
+			flags |= X509_V_FLAG_CRL_CHECK_ALL;
+		X509_STORE_set_flags(cs, flags);
+	}
+	return 0;
+}
+
+
+static int tls_connection_set_subject_match(struct tls_connection *conn,
+					    const char *subject_match,
+					    const char *altsubject_match)
+{
+	os_free(conn->subject_match);
+	conn->subject_match = NULL;
+	if (subject_match) {
+		conn->subject_match = os_strdup(subject_match);
+		if (conn->subject_match == NULL)
+			return -1;
+	}
+
+	os_free(conn->altsubject_match);
+	conn->altsubject_match = NULL;
+	if (altsubject_match) {
+		conn->altsubject_match = os_strdup(altsubject_match);
+		if (conn->altsubject_match == NULL)
+			return -1;
+	}
+
+	return 0;
+}
+
+
+int tls_connection_set_verify(void *ssl_ctx, struct tls_connection *conn,
+			      int verify_peer)
+{
+	static int counter = 0;
+
+	if (conn == NULL)
+		return -1;
+
+	if (verify_peer) {
+		conn->ca_cert_verify = 1;
+		SSL_set_verify(conn->ssl, SSL_VERIFY_PEER |
+			       SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
+			       SSL_VERIFY_CLIENT_ONCE, tls_verify_cb);
+	} else {
+		conn->ca_cert_verify = 0;
+		SSL_set_verify(conn->ssl, SSL_VERIFY_NONE, NULL);
+	}
+
+	SSL_set_accept_state(conn->ssl);
+
+	/*
+	 * Set session id context in order to avoid fatal errors when client
+	 * tries to resume a session. However, set the context to a unique
+	 * value in order to effectively disable session resumption for now
+	 * since not all areas of the server code are ready for it (e.g.,
+	 * EAP-TTLS needs special handling for Phase 2 after abbreviated TLS
+	 * handshake).
+	 */
+	counter++;
+	SSL_set_session_id_context(conn->ssl,
+				   (const unsigned char *) &counter,
+				   sizeof(counter));
+
+	return 0;
+}
+
+
+static int tls_connection_client_cert(struct tls_connection *conn,
+				      const char *client_cert,
+				      const u8 *client_cert_blob,
+				      size_t client_cert_blob_len)
+{
+	if (client_cert == NULL && client_cert_blob == NULL)
+		return 0;
+
+	if (client_cert_blob &&
+	    SSL_use_certificate_ASN1(conn->ssl, (u8 *) client_cert_blob,
+				     client_cert_blob_len) == 1) {
+		wpa_printf(MSG_DEBUG, "OpenSSL: SSL_use_certificate_ASN1 --> "
+			   "OK");
+		return 0;
+	} else if (client_cert_blob) {
+		tls_show_errors(MSG_DEBUG, __func__,
+				"SSL_use_certificate_ASN1 failed");
+	}
+
+	if (client_cert == NULL)
+		return -1;
+
+#ifdef ANDROID
+	if (os_strncmp("keystore://", client_cert, 11) == 0) {
+		BIO *bio = BIO_from_keystore(&client_cert[11]);
+		X509 *x509 = NULL;
+		int ret = -1;
+		if (bio) {
+			x509 = PEM_read_bio_X509(bio, NULL, NULL, NULL);
+			BIO_free(bio);
+		}
+		if (x509) {
+			if (SSL_use_certificate(conn->ssl, x509) == 1)
+				ret = 0;
+			X509_free(x509);
+		}
+		return ret;
+	}
+#endif /* ANDROID */
+
+#ifndef OPENSSL_NO_STDIO
+	if (SSL_use_certificate_file(conn->ssl, client_cert,
+				     SSL_FILETYPE_ASN1) == 1) {
+		wpa_printf(MSG_DEBUG, "OpenSSL: SSL_use_certificate_file (DER)"
+			   " --> OK");
+		return 0;
+	}
+
+	if (SSL_use_certificate_file(conn->ssl, client_cert,
+				     SSL_FILETYPE_PEM) == 1) {
+		ERR_clear_error();
+		wpa_printf(MSG_DEBUG, "OpenSSL: SSL_use_certificate_file (PEM)"
+			   " --> OK");
+		return 0;
+	}
+
+	tls_show_errors(MSG_DEBUG, __func__,
+			"SSL_use_certificate_file failed");
+#else /* OPENSSL_NO_STDIO */
+	wpa_printf(MSG_DEBUG, "OpenSSL: %s - OPENSSL_NO_STDIO", __func__);
+#endif /* OPENSSL_NO_STDIO */
+
+	return -1;
+}
+
+
+static int tls_global_client_cert(SSL_CTX *ssl_ctx, const char *client_cert)
+{
+#ifndef OPENSSL_NO_STDIO
+	if (client_cert == NULL)
+		return 0;
+
+	if (SSL_CTX_use_certificate_file(ssl_ctx, client_cert,
+					 SSL_FILETYPE_ASN1) != 1 &&
+	    SSL_CTX_use_certificate_file(ssl_ctx, client_cert,
+					 SSL_FILETYPE_PEM) != 1) {
+		tls_show_errors(MSG_INFO, __func__,
+				"Failed to load client certificate");
+		return -1;
+	}
+	return 0;
+#else /* OPENSSL_NO_STDIO */
+	if (client_cert == NULL)
+		return 0;
+	wpa_printf(MSG_DEBUG, "OpenSSL: %s - OPENSSL_NO_STDIO", __func__);
+	return -1;
+#endif /* OPENSSL_NO_STDIO */
+}
+
+
+static int tls_passwd_cb(char *buf, int size, int rwflag, void *password)
+{
+	if (password == NULL) {
+		return 0;
+	}
+	os_strlcpy(buf, (char *) password, size);
+	return os_strlen(buf);
+}
+
+
+#ifdef PKCS12_FUNCS
+static int tls_parse_pkcs12(SSL_CTX *ssl_ctx, SSL *ssl, PKCS12 *p12,
+			    const char *passwd)
+{
+	EVP_PKEY *pkey;
+	X509 *cert;
+	STACK_OF(X509) *certs;
+	int res = 0;
+	char buf[256];
+
+	pkey = NULL;
+	cert = NULL;
+	certs = NULL;
+	if (!PKCS12_parse(p12, passwd, &pkey, &cert, &certs)) {
+		tls_show_errors(MSG_DEBUG, __func__,
+				"Failed to parse PKCS12 file");
+		PKCS12_free(p12);
+		return -1;
+	}
+	wpa_printf(MSG_DEBUG, "TLS: Successfully parsed PKCS12 data");
+
+	if (cert) {
+		X509_NAME_oneline(X509_get_subject_name(cert), buf,
+				  sizeof(buf));
+		wpa_printf(MSG_DEBUG, "TLS: Got certificate from PKCS12: "
+			   "subject='%s'", buf);
+		if (ssl) {
+			if (SSL_use_certificate(ssl, cert) != 1)
+				res = -1;
+		} else {
+			if (SSL_CTX_use_certificate(ssl_ctx, cert) != 1)
+				res = -1;
+		}
+		X509_free(cert);
+	}
+
+	if (pkey) {
+		wpa_printf(MSG_DEBUG, "TLS: Got private key from PKCS12");
+		if (ssl) {
+			if (SSL_use_PrivateKey(ssl, pkey) != 1)
+				res = -1;
+		} else {
+			if (SSL_CTX_use_PrivateKey(ssl_ctx, pkey) != 1)
+				res = -1;
+		}
+		EVP_PKEY_free(pkey);
+	}
+
+	if (certs) {
+		while ((cert = sk_X509_pop(certs)) != NULL) {
+			X509_NAME_oneline(X509_get_subject_name(cert), buf,
+					  sizeof(buf));
+			wpa_printf(MSG_DEBUG, "TLS: additional certificate"
+				   " from PKCS12: subject='%s'", buf);
+			/*
+			 * There is no SSL equivalent for the chain cert - so
+			 * always add it to the context...
+			 */
+			if (SSL_CTX_add_extra_chain_cert(ssl_ctx, cert) != 1) {
+				res = -1;
+				break;
+			}
+		}
+		sk_X509_free(certs);
+	}
+
+	PKCS12_free(p12);
+
+	if (res < 0)
+		tls_get_errors(ssl_ctx);
+
+	return res;
+}
+#endif  /* PKCS12_FUNCS */
+
+
+static int tls_read_pkcs12(SSL_CTX *ssl_ctx, SSL *ssl, const char *private_key,
+			   const char *passwd)
+{
+#ifdef PKCS12_FUNCS
+	FILE *f;
+	PKCS12 *p12;
+
+	f = fopen(private_key, "rb");
+	if (f == NULL)
+		return -1;
+
+	p12 = d2i_PKCS12_fp(f, NULL);
+	fclose(f);
+
+	if (p12 == NULL) {
+		tls_show_errors(MSG_INFO, __func__,
+				"Failed to use PKCS#12 file");
+		return -1;
+	}
+
+	return tls_parse_pkcs12(ssl_ctx, ssl, p12, passwd);
+
+#else /* PKCS12_FUNCS */
+	wpa_printf(MSG_INFO, "TLS: PKCS12 support disabled - cannot read "
+		   "p12/pfx files");
+	return -1;
+#endif  /* PKCS12_FUNCS */
+}
+
+
+static int tls_read_pkcs12_blob(SSL_CTX *ssl_ctx, SSL *ssl,
+				const u8 *blob, size_t len, const char *passwd)
+{
+#ifdef PKCS12_FUNCS
+	PKCS12 *p12;
+
+	p12 = d2i_PKCS12(NULL, (OPENSSL_d2i_TYPE) &blob, len);
+	if (p12 == NULL) {
+		tls_show_errors(MSG_INFO, __func__,
+				"Failed to use PKCS#12 blob");
+		return -1;
+	}
+
+	return tls_parse_pkcs12(ssl_ctx, ssl, p12, passwd);
+
+#else /* PKCS12_FUNCS */
+	wpa_printf(MSG_INFO, "TLS: PKCS12 support disabled - cannot parse "
+		   "p12/pfx blobs");
+	return -1;
+#endif  /* PKCS12_FUNCS */
+}
+
+
+#ifndef OPENSSL_NO_ENGINE
+static int tls_engine_get_cert(struct tls_connection *conn,
+			       const char *cert_id,
+			       X509 **cert)
+{
+	/* this runs after the private key is loaded so no PIN is required */
+	struct {
+		const char *cert_id;
+		X509 *cert;
+	} params;
+	params.cert_id = cert_id;
+	params.cert = NULL;
+
+	if (!ENGINE_ctrl_cmd(conn->engine, "LOAD_CERT_CTRL",
+			     0, &params, NULL, 1)) {
+		wpa_printf(MSG_ERROR, "ENGINE: cannot load client cert with id"
+			   " '%s' [%s]", cert_id,
+			   ERR_error_string(ERR_get_error(), NULL));
+		return TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED;
+	}
+	if (!params.cert) {
+		wpa_printf(MSG_ERROR, "ENGINE: did not properly cert with id"
+			   " '%s'", cert_id);
+		return TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED;
+	}
+	*cert = params.cert;
+	return 0;
+}
+#endif /* OPENSSL_NO_ENGINE */
+
+
+static int tls_connection_engine_client_cert(struct tls_connection *conn,
+					     const char *cert_id)
+{
+#ifndef OPENSSL_NO_ENGINE
+	X509 *cert;
+
+	if (tls_engine_get_cert(conn, cert_id, &cert))
+		return -1;
+
+	if (!SSL_use_certificate(conn->ssl, cert)) {
+		tls_show_errors(MSG_ERROR, __func__,
+				"SSL_use_certificate failed");
+                X509_free(cert);
+		return -1;
+	}
+	X509_free(cert);
+	wpa_printf(MSG_DEBUG, "ENGINE: SSL_use_certificate --> "
+		   "OK");
+	return 0;
+
+#else /* OPENSSL_NO_ENGINE */
+	return -1;
+#endif /* OPENSSL_NO_ENGINE */
+}
+
+
+static int tls_connection_engine_ca_cert(void *_ssl_ctx,
+					 struct tls_connection *conn,
+					 const char *ca_cert_id)
+{
+#ifndef OPENSSL_NO_ENGINE
+	X509 *cert;
+	SSL_CTX *ssl_ctx = _ssl_ctx;
+
+	if (tls_engine_get_cert(conn, ca_cert_id, &cert))
+		return -1;
+
+	/* start off the same as tls_connection_ca_cert */
+	X509_STORE_free(ssl_ctx->cert_store);
+	ssl_ctx->cert_store = X509_STORE_new();
+	if (ssl_ctx->cert_store == NULL) {
+		wpa_printf(MSG_DEBUG, "OpenSSL: %s - failed to allocate new "
+			   "certificate store", __func__);
+		X509_free(cert);
+		return -1;
+	}
+	if (!X509_STORE_add_cert(ssl_ctx->cert_store, cert)) {
+		unsigned long err = ERR_peek_error();
+		tls_show_errors(MSG_WARNING, __func__,
+				"Failed to add CA certificate from engine "
+				"to certificate store");
+		if (ERR_GET_LIB(err) == ERR_LIB_X509 &&
+		    ERR_GET_REASON(err) == X509_R_CERT_ALREADY_IN_HASH_TABLE) {
+			wpa_printf(MSG_DEBUG, "OpenSSL: %s - ignoring cert"
+				   " already in hash table error",
+				   __func__);
+		} else {
+			X509_free(cert);
+			return -1;
+		}
+	}
+	X509_free(cert);
+	wpa_printf(MSG_DEBUG, "OpenSSL: %s - added CA certificate from engine "
+		   "to certificate store", __func__);
+	SSL_set_verify(conn->ssl, SSL_VERIFY_PEER, tls_verify_cb);
+	return 0;
+
+#else /* OPENSSL_NO_ENGINE */
+	return -1;
+#endif /* OPENSSL_NO_ENGINE */
+}
+
+
+static int tls_connection_engine_private_key(struct tls_connection *conn)
+{
+#ifndef OPENSSL_NO_ENGINE
+	if (SSL_use_PrivateKey(conn->ssl, conn->private_key) != 1) {
+		tls_show_errors(MSG_ERROR, __func__,
+				"ENGINE: cannot use private key for TLS");
+		return -1;
+	}
+	if (!SSL_check_private_key(conn->ssl)) {
+		tls_show_errors(MSG_INFO, __func__,
+				"Private key failed verification");
+		return -1;
+	}
+	return 0;
+#else /* OPENSSL_NO_ENGINE */
+	wpa_printf(MSG_ERROR, "SSL: Configuration uses engine, but "
+		   "engine support was not compiled in");
+	return -1;
+#endif /* OPENSSL_NO_ENGINE */
+}
+
+
+static int tls_connection_private_key(void *_ssl_ctx,
+				      struct tls_connection *conn,
+				      const char *private_key,
+				      const char *private_key_passwd,
+				      const u8 *private_key_blob,
+				      size_t private_key_blob_len)
+{
+	SSL_CTX *ssl_ctx = _ssl_ctx;
+	char *passwd;
+	int ok;
+
+	if (private_key == NULL && private_key_blob == NULL)
+		return 0;
+
+	if (private_key_passwd) {
+		passwd = os_strdup(private_key_passwd);
+		if (passwd == NULL)
+			return -1;
+	} else
+		passwd = NULL;
+
+	SSL_CTX_set_default_passwd_cb(ssl_ctx, tls_passwd_cb);
+	SSL_CTX_set_default_passwd_cb_userdata(ssl_ctx, passwd);
+
+	ok = 0;
+	while (private_key_blob) {
+		if (SSL_use_PrivateKey_ASN1(EVP_PKEY_RSA, conn->ssl,
+					    (u8 *) private_key_blob,
+					    private_key_blob_len) == 1) {
+			wpa_printf(MSG_DEBUG, "OpenSSL: SSL_use_PrivateKey_"
+				   "ASN1(EVP_PKEY_RSA) --> OK");
+			ok = 1;
+			break;
+		}
+
+		if (SSL_use_PrivateKey_ASN1(EVP_PKEY_DSA, conn->ssl,
+					    (u8 *) private_key_blob,
+					    private_key_blob_len) == 1) {
+			wpa_printf(MSG_DEBUG, "OpenSSL: SSL_use_PrivateKey_"
+				   "ASN1(EVP_PKEY_DSA) --> OK");
+			ok = 1;
+			break;
+		}
+
+		if (SSL_use_RSAPrivateKey_ASN1(conn->ssl,
+					       (u8 *) private_key_blob,
+					       private_key_blob_len) == 1) {
+			wpa_printf(MSG_DEBUG, "OpenSSL: "
+				   "SSL_use_RSAPrivateKey_ASN1 --> OK");
+			ok = 1;
+			break;
+		}
+
+		if (tls_read_pkcs12_blob(ssl_ctx, conn->ssl, private_key_blob,
+					 private_key_blob_len, passwd) == 0) {
+			wpa_printf(MSG_DEBUG, "OpenSSL: PKCS#12 as blob --> "
+				   "OK");
+			ok = 1;
+			break;
+		}
+
+		break;
+	}
+
+#ifdef ANDROID
+	if (!ok && private_key &&
+	    os_strncmp("keystore://", private_key, 11) == 0) {
+		BIO *bio = BIO_from_keystore(&private_key[11]);
+		EVP_PKEY *pkey = NULL;
+		if (bio) {
+			pkey = PEM_read_bio_PrivateKey(bio, NULL, NULL, NULL);
+			BIO_free(bio);
+		}
+		if (pkey) {
+			if (SSL_use_PrivateKey(conn->ssl, pkey) == 1) {
+				wpa_printf(MSG_DEBUG, "OpenSSL: Private key "
+					   "from keystore");
+				ok = 1;
+			}
+			EVP_PKEY_free(pkey);
+		}
+	}
+#endif /* ANDROID */
+
+	while (!ok && private_key) {
+#ifndef OPENSSL_NO_STDIO
+		if (SSL_use_PrivateKey_file(conn->ssl, private_key,
+					    SSL_FILETYPE_ASN1) == 1) {
+			wpa_printf(MSG_DEBUG, "OpenSSL: "
+				   "SSL_use_PrivateKey_File (DER) --> OK");
+			ok = 1;
+			break;
+		}
+
+		if (SSL_use_PrivateKey_file(conn->ssl, private_key,
+					    SSL_FILETYPE_PEM) == 1) {
+			wpa_printf(MSG_DEBUG, "OpenSSL: "
+				   "SSL_use_PrivateKey_File (PEM) --> OK");
+			ok = 1;
+			break;
+		}
+#else /* OPENSSL_NO_STDIO */
+		wpa_printf(MSG_DEBUG, "OpenSSL: %s - OPENSSL_NO_STDIO",
+			   __func__);
+#endif /* OPENSSL_NO_STDIO */
+
+		if (tls_read_pkcs12(ssl_ctx, conn->ssl, private_key, passwd)
+		    == 0) {
+			wpa_printf(MSG_DEBUG, "OpenSSL: Reading PKCS#12 file "
+				   "--> OK");
+			ok = 1;
+			break;
+		}
+
+		if (tls_cryptoapi_cert(conn->ssl, private_key) == 0) {
+			wpa_printf(MSG_DEBUG, "OpenSSL: Using CryptoAPI to "
+				   "access certificate store --> OK");
+			ok = 1;
+			break;
+		}
+
+		break;
+	}
+
+	if (!ok) {
+		tls_show_errors(MSG_INFO, __func__,
+				"Failed to load private key");
+		os_free(passwd);
+		return -1;
+	}
+	ERR_clear_error();
+	SSL_CTX_set_default_passwd_cb(ssl_ctx, NULL);
+	os_free(passwd);
+	
+	if (!SSL_check_private_key(conn->ssl)) {
+		tls_show_errors(MSG_INFO, __func__, "Private key failed "
+				"verification");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "SSL: Private key loaded successfully");
+	return 0;
+}
+
+
+static int tls_global_private_key(SSL_CTX *ssl_ctx, const char *private_key,
+				  const char *private_key_passwd)
+{
+	char *passwd;
+
+	if (private_key == NULL)
+		return 0;
+
+	if (private_key_passwd) {
+		passwd = os_strdup(private_key_passwd);
+		if (passwd == NULL)
+			return -1;
+	} else
+		passwd = NULL;
+
+	SSL_CTX_set_default_passwd_cb(ssl_ctx, tls_passwd_cb);
+	SSL_CTX_set_default_passwd_cb_userdata(ssl_ctx, passwd);
+	if (
+#ifndef OPENSSL_NO_STDIO
+	    SSL_CTX_use_PrivateKey_file(ssl_ctx, private_key,
+					SSL_FILETYPE_ASN1) != 1 &&
+	    SSL_CTX_use_PrivateKey_file(ssl_ctx, private_key,
+					SSL_FILETYPE_PEM) != 1 &&
+#endif /* OPENSSL_NO_STDIO */
+	    tls_read_pkcs12(ssl_ctx, NULL, private_key, passwd)) {
+		tls_show_errors(MSG_INFO, __func__,
+				"Failed to load private key");
+		os_free(passwd);
+		ERR_clear_error();
+		return -1;
+	}
+	os_free(passwd);
+	ERR_clear_error();
+	SSL_CTX_set_default_passwd_cb(ssl_ctx, NULL);
+	
+	if (!SSL_CTX_check_private_key(ssl_ctx)) {
+		tls_show_errors(MSG_INFO, __func__,
+				"Private key failed verification");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int tls_connection_dh(struct tls_connection *conn, const char *dh_file)
+{
+#ifdef OPENSSL_NO_DH
+	if (dh_file == NULL)
+		return 0;
+	wpa_printf(MSG_ERROR, "TLS: openssl does not include DH support, but "
+		   "dh_file specified");
+	return -1;
+#else /* OPENSSL_NO_DH */
+	DH *dh;
+	BIO *bio;
+
+	/* TODO: add support for dh_blob */
+	if (dh_file == NULL)
+		return 0;
+	if (conn == NULL)
+		return -1;
+
+	bio = BIO_new_file(dh_file, "r");
+	if (bio == NULL) {
+		wpa_printf(MSG_INFO, "TLS: Failed to open DH file '%s': %s",
+			   dh_file, ERR_error_string(ERR_get_error(), NULL));
+		return -1;
+	}
+	dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
+	BIO_free(bio);
+#ifndef OPENSSL_NO_DSA
+	while (dh == NULL) {
+		DSA *dsa;
+		wpa_printf(MSG_DEBUG, "TLS: Failed to parse DH file '%s': %s -"
+			   " trying to parse as DSA params", dh_file,
+			   ERR_error_string(ERR_get_error(), NULL));
+		bio = BIO_new_file(dh_file, "r");
+		if (bio == NULL)
+			break;
+		dsa = PEM_read_bio_DSAparams(bio, NULL, NULL, NULL);
+		BIO_free(bio);
+		if (!dsa) {
+			wpa_printf(MSG_DEBUG, "TLS: Failed to parse DSA file "
+				   "'%s': %s", dh_file,
+				   ERR_error_string(ERR_get_error(), NULL));
+			break;
+		}
+
+		wpa_printf(MSG_DEBUG, "TLS: DH file in DSA param format");
+		dh = DSA_dup_DH(dsa);
+		DSA_free(dsa);
+		if (dh == NULL) {
+			wpa_printf(MSG_INFO, "TLS: Failed to convert DSA "
+				   "params into DH params");
+			break;
+		}
+		break;
+	}
+#endif /* !OPENSSL_NO_DSA */
+	if (dh == NULL) {
+		wpa_printf(MSG_INFO, "TLS: Failed to read/parse DH/DSA file "
+			   "'%s'", dh_file);
+		return -1;
+	}
+
+	if (SSL_set_tmp_dh(conn->ssl, dh) != 1) {
+		wpa_printf(MSG_INFO, "TLS: Failed to set DH params from '%s': "
+			   "%s", dh_file,
+			   ERR_error_string(ERR_get_error(), NULL));
+		DH_free(dh);
+		return -1;
+	}
+	DH_free(dh);
+	return 0;
+#endif /* OPENSSL_NO_DH */
+}
+
+
+static int tls_global_dh(SSL_CTX *ssl_ctx, const char *dh_file)
+{
+#ifdef OPENSSL_NO_DH
+	if (dh_file == NULL)
+		return 0;
+	wpa_printf(MSG_ERROR, "TLS: openssl does not include DH support, but "
+		   "dh_file specified");
+	return -1;
+#else /* OPENSSL_NO_DH */
+	DH *dh;
+	BIO *bio;
+
+	/* TODO: add support for dh_blob */
+	if (dh_file == NULL)
+		return 0;
+	if (ssl_ctx == NULL)
+		return -1;
+
+	bio = BIO_new_file(dh_file, "r");
+	if (bio == NULL) {
+		wpa_printf(MSG_INFO, "TLS: Failed to open DH file '%s': %s",
+			   dh_file, ERR_error_string(ERR_get_error(), NULL));
+		return -1;
+	}
+	dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
+	BIO_free(bio);
+#ifndef OPENSSL_NO_DSA
+	while (dh == NULL) {
+		DSA *dsa;
+		wpa_printf(MSG_DEBUG, "TLS: Failed to parse DH file '%s': %s -"
+			   " trying to parse as DSA params", dh_file,
+			   ERR_error_string(ERR_get_error(), NULL));
+		bio = BIO_new_file(dh_file, "r");
+		if (bio == NULL)
+			break;
+		dsa = PEM_read_bio_DSAparams(bio, NULL, NULL, NULL);
+		BIO_free(bio);
+		if (!dsa) {
+			wpa_printf(MSG_DEBUG, "TLS: Failed to parse DSA file "
+				   "'%s': %s", dh_file,
+				   ERR_error_string(ERR_get_error(), NULL));
+			break;
+		}
+
+		wpa_printf(MSG_DEBUG, "TLS: DH file in DSA param format");
+		dh = DSA_dup_DH(dsa);
+		DSA_free(dsa);
+		if (dh == NULL) {
+			wpa_printf(MSG_INFO, "TLS: Failed to convert DSA "
+				   "params into DH params");
+			break;
+		}
+		break;
+	}
+#endif /* !OPENSSL_NO_DSA */
+	if (dh == NULL) {
+		wpa_printf(MSG_INFO, "TLS: Failed to read/parse DH/DSA file "
+			   "'%s'", dh_file);
+		return -1;
+	}
+
+	if (SSL_CTX_set_tmp_dh(ssl_ctx, dh) != 1) {
+		wpa_printf(MSG_INFO, "TLS: Failed to set DH params from '%s': "
+			   "%s", dh_file,
+			   ERR_error_string(ERR_get_error(), NULL));
+		DH_free(dh);
+		return -1;
+	}
+	DH_free(dh);
+	return 0;
+#endif /* OPENSSL_NO_DH */
+}
+
+
+int tls_connection_get_keys(void *ssl_ctx, struct tls_connection *conn,
+			    struct tls_keys *keys)
+{
+	SSL *ssl;
+
+	if (conn == NULL || keys == NULL)
+		return -1;
+	ssl = conn->ssl;
+	if (ssl == NULL || ssl->s3 == NULL || ssl->session == NULL)
+		return -1;
+
+	os_memset(keys, 0, sizeof(*keys));
+	keys->master_key = ssl->session->master_key;
+	keys->master_key_len = ssl->session->master_key_length;
+	keys->client_random = ssl->s3->client_random;
+	keys->client_random_len = SSL3_RANDOM_SIZE;
+	keys->server_random = ssl->s3->server_random;
+	keys->server_random_len = SSL3_RANDOM_SIZE;
+
+	return 0;
+}
+
+
+int tls_connection_prf(void *tls_ctx, struct tls_connection *conn,
+		       const char *label, int server_random_first,
+		       u8 *out, size_t out_len)
+{
+	return -1;
+}
+
+
+static struct wpabuf *
+openssl_handshake(struct tls_connection *conn, const struct wpabuf *in_data,
+		  int server)
+{
+	int res;
+	struct wpabuf *out_data;
+
+	/*
+	 * Give TLS handshake data from the server (if available) to OpenSSL
+	 * for processing.
+	 */
+	if (in_data &&
+	    BIO_write(conn->ssl_in, wpabuf_head(in_data), wpabuf_len(in_data))
+	    < 0) {
+		tls_show_errors(MSG_INFO, __func__,
+				"Handshake failed - BIO_write");
+		return NULL;
+	}
+
+	/* Initiate TLS handshake or continue the existing handshake */
+	if (server)
+		res = SSL_accept(conn->ssl);
+	else
+		res = SSL_connect(conn->ssl);
+	if (res != 1) {
+		int err = SSL_get_error(conn->ssl, res);
+		if (err == SSL_ERROR_WANT_READ)
+			wpa_printf(MSG_DEBUG, "SSL: SSL_connect - want "
+				   "more data");
+		else if (err == SSL_ERROR_WANT_WRITE)
+			wpa_printf(MSG_DEBUG, "SSL: SSL_connect - want to "
+				   "write");
+		else {
+			tls_show_errors(MSG_INFO, __func__, "SSL_connect");
+			conn->failed++;
+		}
+	}
+
+	/* Get the TLS handshake data to be sent to the server */
+	res = BIO_ctrl_pending(conn->ssl_out);
+	wpa_printf(MSG_DEBUG, "SSL: %d bytes pending from ssl_out", res);
+	out_data = wpabuf_alloc(res);
+	if (out_data == NULL) {
+		wpa_printf(MSG_DEBUG, "SSL: Failed to allocate memory for "
+			   "handshake output (%d bytes)", res);
+		if (BIO_reset(conn->ssl_out) < 0) {
+			tls_show_errors(MSG_INFO, __func__,
+					"BIO_reset failed");
+		}
+		return NULL;
+	}
+	res = res == 0 ? 0 : BIO_read(conn->ssl_out, wpabuf_mhead(out_data),
+				      res);
+	if (res < 0) {
+		tls_show_errors(MSG_INFO, __func__,
+				"Handshake failed - BIO_read");
+		if (BIO_reset(conn->ssl_out) < 0) {
+			tls_show_errors(MSG_INFO, __func__,
+					"BIO_reset failed");
+		}
+		wpabuf_free(out_data);
+		return NULL;
+	}
+	wpabuf_put(out_data, res);
+
+	return out_data;
+}
+
+
+static struct wpabuf *
+openssl_get_appl_data(struct tls_connection *conn, size_t max_len)
+{
+	struct wpabuf *appl_data;
+	int res;
+
+	appl_data = wpabuf_alloc(max_len + 100);
+	if (appl_data == NULL)
+		return NULL;
+
+	res = SSL_read(conn->ssl, wpabuf_mhead(appl_data),
+		       wpabuf_size(appl_data));
+	if (res < 0) {
+		int err = SSL_get_error(conn->ssl, res);
+		if (err == SSL_ERROR_WANT_READ ||
+		    err == SSL_ERROR_WANT_WRITE) {
+			wpa_printf(MSG_DEBUG, "SSL: No Application Data "
+				   "included");
+		} else {
+			tls_show_errors(MSG_INFO, __func__,
+					"Failed to read possible "
+					"Application Data");
+		}
+		wpabuf_free(appl_data);
+		return NULL;
+	}
+
+	wpabuf_put(appl_data, res);
+	wpa_hexdump_buf_key(MSG_MSGDUMP, "SSL: Application Data in Finished "
+			    "message", appl_data);
+
+	return appl_data;
+}
+
+
+static struct wpabuf *
+openssl_connection_handshake(struct tls_connection *conn,
+			     const struct wpabuf *in_data,
+			     struct wpabuf **appl_data, int server)
+{
+	struct wpabuf *out_data;
+
+	if (appl_data)
+		*appl_data = NULL;
+
+	out_data = openssl_handshake(conn, in_data, server);
+	if (out_data == NULL)
+		return NULL;
+
+	if (SSL_is_init_finished(conn->ssl) && appl_data && in_data)
+		*appl_data = openssl_get_appl_data(conn, wpabuf_len(in_data));
+
+	return out_data;
+}
+
+
+struct wpabuf *
+tls_connection_handshake(void *ssl_ctx, struct tls_connection *conn,
+			 const struct wpabuf *in_data,
+			 struct wpabuf **appl_data)
+{
+	return openssl_connection_handshake(conn, in_data, appl_data, 0);
+}
+
+
+struct wpabuf * tls_connection_server_handshake(void *tls_ctx,
+						struct tls_connection *conn,
+						const struct wpabuf *in_data,
+						struct wpabuf **appl_data)
+{
+	return openssl_connection_handshake(conn, in_data, appl_data, 1);
+}
+
+
+struct wpabuf * tls_connection_encrypt(void *tls_ctx,
+				       struct tls_connection *conn,
+				       const struct wpabuf *in_data)
+{
+	int res;
+	struct wpabuf *buf;
+
+	if (conn == NULL)
+		return NULL;
+
+	/* Give plaintext data for OpenSSL to encrypt into the TLS tunnel. */
+	if ((res = BIO_reset(conn->ssl_in)) < 0 ||
+	    (res = BIO_reset(conn->ssl_out)) < 0) {
+		tls_show_errors(MSG_INFO, __func__, "BIO_reset failed");
+		return NULL;
+	}
+	res = SSL_write(conn->ssl, wpabuf_head(in_data), wpabuf_len(in_data));
+	if (res < 0) {
+		tls_show_errors(MSG_INFO, __func__,
+				"Encryption failed - SSL_write");
+		return NULL;
+	}
+
+	/* Read encrypted data to be sent to the server */
+	buf = wpabuf_alloc(wpabuf_len(in_data) + 300);
+	if (buf == NULL)
+		return NULL;
+	res = BIO_read(conn->ssl_out, wpabuf_mhead(buf), wpabuf_size(buf));
+	if (res < 0) {
+		tls_show_errors(MSG_INFO, __func__,
+				"Encryption failed - BIO_read");
+		wpabuf_free(buf);
+		return NULL;
+	}
+	wpabuf_put(buf, res);
+
+	return buf;
+}
+
+
+struct wpabuf * tls_connection_decrypt(void *tls_ctx,
+				       struct tls_connection *conn,
+				       const struct wpabuf *in_data)
+{
+	int res;
+	struct wpabuf *buf;
+
+	/* Give encrypted data from TLS tunnel for OpenSSL to decrypt. */
+	res = BIO_write(conn->ssl_in, wpabuf_head(in_data),
+			wpabuf_len(in_data));
+	if (res < 0) {
+		tls_show_errors(MSG_INFO, __func__,
+				"Decryption failed - BIO_write");
+		return NULL;
+	}
+	if (BIO_reset(conn->ssl_out) < 0) {
+		tls_show_errors(MSG_INFO, __func__, "BIO_reset failed");
+		return NULL;
+	}
+
+	/* Read decrypted data for further processing */
+	/*
+	 * Even though we try to disable TLS compression, it is possible that
+	 * this cannot be done with all TLS libraries. Add extra buffer space
+	 * to handle the possibility of the decrypted data being longer than
+	 * input data.
+	 */
+	buf = wpabuf_alloc((wpabuf_len(in_data) + 500) * 3);
+	if (buf == NULL)
+		return NULL;
+	res = SSL_read(conn->ssl, wpabuf_mhead(buf), wpabuf_size(buf));
+	if (res < 0) {
+		tls_show_errors(MSG_INFO, __func__,
+				"Decryption failed - SSL_read");
+		wpabuf_free(buf);
+		return NULL;
+	}
+	wpabuf_put(buf, res);
+
+	return buf;
+}
+
+
+int tls_connection_resumed(void *ssl_ctx, struct tls_connection *conn)
+{
+	return conn ? conn->ssl->hit : 0;
+}
+
+
+int tls_connection_set_cipher_list(void *tls_ctx, struct tls_connection *conn,
+				   u8 *ciphers)
+{
+	char buf[100], *pos, *end;
+	u8 *c;
+	int ret;
+
+	if (conn == NULL || conn->ssl == NULL || ciphers == NULL)
+		return -1;
+
+	buf[0] = '\0';
+	pos = buf;
+	end = pos + sizeof(buf);
+
+	c = ciphers;
+	while (*c != TLS_CIPHER_NONE) {
+		const char *suite;
+
+		switch (*c) {
+		case TLS_CIPHER_RC4_SHA:
+			suite = "RC4-SHA";
+			break;
+		case TLS_CIPHER_AES128_SHA:
+			suite = "AES128-SHA";
+			break;
+		case TLS_CIPHER_RSA_DHE_AES128_SHA:
+			suite = "DHE-RSA-AES128-SHA";
+			break;
+		case TLS_CIPHER_ANON_DH_AES128_SHA:
+			suite = "ADH-AES128-SHA";
+			break;
+		default:
+			wpa_printf(MSG_DEBUG, "TLS: Unsupported "
+				   "cipher selection: %d", *c);
+			return -1;
+		}
+		ret = os_snprintf(pos, end - pos, ":%s", suite);
+		if (ret < 0 || ret >= end - pos)
+			break;
+		pos += ret;
+
+		c++;
+	}
+
+	wpa_printf(MSG_DEBUG, "OpenSSL: cipher suites: %s", buf + 1);
+
+	if (SSL_set_cipher_list(conn->ssl, buf + 1) != 1) {
+		tls_show_errors(MSG_INFO, __func__,
+				"Cipher suite configuration failed");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int tls_get_cipher(void *ssl_ctx, struct tls_connection *conn,
+		   char *buf, size_t buflen)
+{
+	const char *name;
+	if (conn == NULL || conn->ssl == NULL)
+		return -1;
+
+	name = SSL_get_cipher(conn->ssl);
+	if (name == NULL)
+		return -1;
+
+	os_strlcpy(buf, name, buflen);
+	return 0;
+}
+
+
+int tls_connection_enable_workaround(void *ssl_ctx,
+				     struct tls_connection *conn)
+{
+	SSL_set_options(conn->ssl, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS);
+
+	return 0;
+}
+
+
+#if defined(EAP_FAST) || defined(EAP_FAST_DYNAMIC) || defined(EAP_SERVER_FAST)
+/* ClientHello TLS extensions require a patch to openssl, so this function is
+ * commented out unless explicitly needed for EAP-FAST in order to be able to
+ * build this file with unmodified openssl. */
+int tls_connection_client_hello_ext(void *ssl_ctx, struct tls_connection *conn,
+				    int ext_type, const u8 *data,
+				    size_t data_len)
+{
+	if (conn == NULL || conn->ssl == NULL || ext_type != 35)
+		return -1;
+
+#ifdef CONFIG_OPENSSL_TICKET_OVERRIDE
+	if (SSL_set_session_ticket_ext(conn->ssl, (void *) data,
+				       data_len) != 1)
+		return -1;
+#else /* CONFIG_OPENSSL_TICKET_OVERRIDE */
+	if (SSL_set_hello_extension(conn->ssl, ext_type, (void *) data,
+				    data_len) != 1)
+		return -1;
+#endif /* CONFIG_OPENSSL_TICKET_OVERRIDE */
+
+	return 0;
+}
+#endif /* EAP_FAST || EAP_FAST_DYNAMIC || EAP_SERVER_FAST */
+
+
+int tls_connection_get_failed(void *ssl_ctx, struct tls_connection *conn)
+{
+	if (conn == NULL)
+		return -1;
+	return conn->failed;
+}
+
+
+int tls_connection_get_read_alerts(void *ssl_ctx, struct tls_connection *conn)
+{
+	if (conn == NULL)
+		return -1;
+	return conn->read_alerts;
+}
+
+
+int tls_connection_get_write_alerts(void *ssl_ctx, struct tls_connection *conn)
+{
+	if (conn == NULL)
+		return -1;
+	return conn->write_alerts;
+}
+
+
+int tls_connection_set_params(void *tls_ctx, struct tls_connection *conn,
+			      const struct tls_connection_params *params)
+{
+	int ret;
+	unsigned long err;
+
+	if (conn == NULL)
+		return -1;
+
+	while ((err = ERR_get_error())) {
+		wpa_printf(MSG_INFO, "%s: Clearing pending SSL error: %s",
+			   __func__, ERR_error_string(err, NULL));
+	}
+
+	if (params->engine) {
+		wpa_printf(MSG_DEBUG, "SSL: Initializing TLS engine");
+		ret = tls_engine_init(conn, params->engine_id, params->pin,
+				      params->key_id, params->cert_id,
+				      params->ca_cert_id);
+		if (ret)
+			return ret;
+	}
+	if (tls_connection_set_subject_match(conn,
+					     params->subject_match,
+					     params->altsubject_match))
+		return -1;
+
+	if (params->engine && params->ca_cert_id) {
+		if (tls_connection_engine_ca_cert(tls_ctx, conn,
+						  params->ca_cert_id))
+			return TLS_SET_PARAMS_ENGINE_PRV_VERIFY_FAILED;
+	} else if (tls_connection_ca_cert(tls_ctx, conn, params->ca_cert,
+					  params->ca_cert_blob,
+					  params->ca_cert_blob_len,
+					  params->ca_path))
+		return -1;
+
+	if (params->engine && params->cert_id) {
+		if (tls_connection_engine_client_cert(conn, params->cert_id))
+			return TLS_SET_PARAMS_ENGINE_PRV_VERIFY_FAILED;
+	} else if (tls_connection_client_cert(conn, params->client_cert,
+					      params->client_cert_blob,
+					      params->client_cert_blob_len))
+		return -1;
+
+	if (params->engine && params->key_id) {
+		wpa_printf(MSG_DEBUG, "TLS: Using private key from engine");
+		if (tls_connection_engine_private_key(conn))
+			return TLS_SET_PARAMS_ENGINE_PRV_VERIFY_FAILED;
+	} else if (tls_connection_private_key(tls_ctx, conn,
+					      params->private_key,
+					      params->private_key_passwd,
+					      params->private_key_blob,
+					      params->private_key_blob_len)) {
+		wpa_printf(MSG_INFO, "TLS: Failed to load private key '%s'",
+			   params->private_key);
+		return -1;
+	}
+
+	if (tls_connection_dh(conn, params->dh_file)) {
+		wpa_printf(MSG_INFO, "TLS: Failed to load DH file '%s'",
+			   params->dh_file);
+		return -1;
+	}
+
+	tls_get_errors(tls_ctx);
+
+	return 0;
+}
+
+
+int tls_global_set_params(void *tls_ctx,
+			  const struct tls_connection_params *params)
+{
+	SSL_CTX *ssl_ctx = tls_ctx;
+	unsigned long err;
+
+	while ((err = ERR_get_error())) {
+		wpa_printf(MSG_INFO, "%s: Clearing pending SSL error: %s",
+			   __func__, ERR_error_string(err, NULL));
+	}
+
+	if (tls_global_ca_cert(ssl_ctx, params->ca_cert))
+		return -1;
+
+	if (tls_global_client_cert(ssl_ctx, params->client_cert))
+		return -1;
+
+	if (tls_global_private_key(ssl_ctx, params->private_key,
+				   params->private_key_passwd))
+		return -1;
+
+	if (tls_global_dh(ssl_ctx, params->dh_file)) {
+		wpa_printf(MSG_INFO, "TLS: Failed to load DH file '%s'",
+			   params->dh_file);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int tls_connection_get_keyblock_size(void *tls_ctx,
+				     struct tls_connection *conn)
+{
+	const EVP_CIPHER *c;
+	const EVP_MD *h;
+
+	if (conn == NULL || conn->ssl == NULL ||
+	    conn->ssl->enc_read_ctx == NULL ||
+	    conn->ssl->enc_read_ctx->cipher == NULL ||
+	    conn->ssl->read_hash == NULL)
+		return -1;
+
+	c = conn->ssl->enc_read_ctx->cipher;
+#if OPENSSL_VERSION_NUMBER >= 0x00909000L
+	h = EVP_MD_CTX_md(conn->ssl->read_hash);
+#else
+	h = conn->ssl->read_hash;
+#endif
+
+	return 2 * (EVP_CIPHER_key_length(c) +
+		    EVP_MD_size(h) +
+		    EVP_CIPHER_iv_length(c));
+}
+
+
+unsigned int tls_capabilities(void *tls_ctx)
+{
+	return 0;
+}
+
+
+int tls_connection_set_ia(void *tls_ctx, struct tls_connection *conn,
+			  int tls_ia)
+{
+	return -1;
+}
+
+
+struct wpabuf * tls_connection_ia_send_phase_finished(
+	void *tls_ctx, struct tls_connection *conn, int final)
+{
+	return NULL;
+}
+
+
+int tls_connection_ia_final_phase_finished(void *tls_ctx,
+					   struct tls_connection *conn)
+{
+	return -1;
+}
+
+
+int tls_connection_ia_permute_inner_secret(void *tls_ctx,
+					   struct tls_connection *conn,
+					   const u8 *key, size_t key_len)
+{
+	return -1;
+}
+
+
+#if defined(EAP_FAST) || defined(EAP_FAST_DYNAMIC) || defined(EAP_SERVER_FAST)
+/* Pre-shared secred requires a patch to openssl, so this function is
+ * commented out unless explicitly needed for EAP-FAST in order to be able to
+ * build this file with unmodified openssl. */
+
+static int tls_sess_sec_cb(SSL *s, void *secret, int *secret_len,
+			   STACK_OF(SSL_CIPHER) *peer_ciphers,
+			   SSL_CIPHER **cipher, void *arg)
+{
+	struct tls_connection *conn = arg;
+	int ret;
+
+	if (conn == NULL || conn->session_ticket_cb == NULL)
+		return 0;
+
+	ret = conn->session_ticket_cb(conn->session_ticket_cb_ctx,
+				      conn->session_ticket,
+				      conn->session_ticket_len,
+				      s->s3->client_random,
+				      s->s3->server_random, secret);
+	os_free(conn->session_ticket);
+	conn->session_ticket = NULL;
+
+	if (ret <= 0)
+		return 0;
+
+	*secret_len = SSL_MAX_MASTER_KEY_LENGTH;
+	return 1;
+}
+
+
+#ifdef CONFIG_OPENSSL_TICKET_OVERRIDE
+static int tls_session_ticket_ext_cb(SSL *s, const unsigned char *data,
+				     int len, void *arg)
+{
+	struct tls_connection *conn = arg;
+
+	if (conn == NULL || conn->session_ticket_cb == NULL)
+		return 0;
+
+	wpa_printf(MSG_DEBUG, "OpenSSL: %s: length=%d", __func__, len);
+
+	os_free(conn->session_ticket);
+	conn->session_ticket = NULL;
+
+	wpa_hexdump(MSG_DEBUG, "OpenSSL: ClientHello SessionTicket "
+		    "extension", data, len);
+
+	conn->session_ticket = os_malloc(len);
+	if (conn->session_ticket == NULL)
+		return 0;
+
+	os_memcpy(conn->session_ticket, data, len);
+	conn->session_ticket_len = len;
+
+	return 1;
+}
+#else /* CONFIG_OPENSSL_TICKET_OVERRIDE */
+#ifdef SSL_OP_NO_TICKET
+static void tls_hello_ext_cb(SSL *s, int client_server, int type,
+			     unsigned char *data, int len, void *arg)
+{
+	struct tls_connection *conn = arg;
+
+	if (conn == NULL || conn->session_ticket_cb == NULL)
+		return;
+
+	wpa_printf(MSG_DEBUG, "OpenSSL: %s: type=%d length=%d", __func__,
+		   type, len);
+
+	if (type == TLSEXT_TYPE_session_ticket && !client_server) {
+		os_free(conn->session_ticket);
+		conn->session_ticket = NULL;
+
+		wpa_hexdump(MSG_DEBUG, "OpenSSL: ClientHello SessionTicket "
+			    "extension", data, len);
+		conn->session_ticket = os_malloc(len);
+		if (conn->session_ticket == NULL)
+			return;
+
+		os_memcpy(conn->session_ticket, data, len);
+		conn->session_ticket_len = len;
+	}
+}
+#else /* SSL_OP_NO_TICKET */
+static int tls_hello_ext_cb(SSL *s, TLS_EXTENSION *ext, void *arg)
+{
+	struct tls_connection *conn = arg;
+
+	if (conn == NULL || conn->session_ticket_cb == NULL)
+		return 0;
+
+	wpa_printf(MSG_DEBUG, "OpenSSL: %s: type=%d length=%d", __func__,
+		   ext->type, ext->length);
+
+	os_free(conn->session_ticket);
+	conn->session_ticket = NULL;
+
+	if (ext->type == 35) {
+		wpa_hexdump(MSG_DEBUG, "OpenSSL: ClientHello SessionTicket "
+			    "extension", ext->data, ext->length);
+		conn->session_ticket = os_malloc(ext->length);
+		if (conn->session_ticket == NULL)
+			return SSL_AD_INTERNAL_ERROR;
+
+		os_memcpy(conn->session_ticket, ext->data, ext->length);
+		conn->session_ticket_len = ext->length;
+	}
+
+	return 0;
+}
+#endif /* SSL_OP_NO_TICKET */
+#endif /* CONFIG_OPENSSL_TICKET_OVERRIDE */
+#endif /* EAP_FAST || EAP_FAST_DYNAMIC || EAP_SERVER_FAST */
+
+
+int tls_connection_set_session_ticket_cb(void *tls_ctx,
+					 struct tls_connection *conn,
+					 tls_session_ticket_cb cb,
+					 void *ctx)
+{
+#if defined(EAP_FAST) || defined(EAP_FAST_DYNAMIC) || defined(EAP_SERVER_FAST)
+	conn->session_ticket_cb = cb;
+	conn->session_ticket_cb_ctx = ctx;
+
+	if (cb) {
+		if (SSL_set_session_secret_cb(conn->ssl, tls_sess_sec_cb,
+					      conn) != 1)
+			return -1;
+#ifdef CONFIG_OPENSSL_TICKET_OVERRIDE
+		SSL_set_session_ticket_ext_cb(conn->ssl,
+					      tls_session_ticket_ext_cb, conn);
+#else /* CONFIG_OPENSSL_TICKET_OVERRIDE */
+#ifdef SSL_OP_NO_TICKET
+		SSL_set_tlsext_debug_callback(conn->ssl, tls_hello_ext_cb);
+		SSL_set_tlsext_debug_arg(conn->ssl, conn);
+#else /* SSL_OP_NO_TICKET */
+		if (SSL_set_hello_extension_cb(conn->ssl, tls_hello_ext_cb,
+					       conn) != 1)
+			return -1;
+#endif /* SSL_OP_NO_TICKET */
+#endif /* CONFIG_OPENSSL_TICKET_OVERRIDE */
+	} else {
+		if (SSL_set_session_secret_cb(conn->ssl, NULL, NULL) != 1)
+			return -1;
+#ifdef CONFIG_OPENSSL_TICKET_OVERRIDE
+		SSL_set_session_ticket_ext_cb(conn->ssl, NULL, NULL);
+#else /* CONFIG_OPENSSL_TICKET_OVERRIDE */
+#ifdef SSL_OP_NO_TICKET
+		SSL_set_tlsext_debug_callback(conn->ssl, NULL);
+		SSL_set_tlsext_debug_arg(conn->ssl, conn);
+#else /* SSL_OP_NO_TICKET */
+		if (SSL_set_hello_extension_cb(conn->ssl, NULL, NULL) != 1)
+			return -1;
+#endif /* SSL_OP_NO_TICKET */
+#endif /* CONFIG_OPENSSL_TICKET_OVERRIDE */
+	}
+
+	return 0;
+#else /* EAP_FAST || EAP_FAST_DYNAMIC || EAP_SERVER_FAST */
+	return -1;
+#endif /* EAP_FAST || EAP_FAST_DYNAMIC || EAP_SERVER_FAST */
+}
diff --git a/src/crypto/tls_schannel.c b/src/crypto/tls_schannel.c
new file mode 100644
index 0000000..4a94e99
--- /dev/null
+++ b/src/crypto/tls_schannel.c
@@ -0,0 +1,767 @@
+/*
+ * SSL/TLS interface functions for Microsoft Schannel
+ * Copyright (c) 2005-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+/*
+ * FIX: Go through all SSPI functions and verify what needs to be freed
+ * FIX: session resumption
+ * TODO: add support for server cert chain validation
+ * TODO: add support for CA cert validation
+ * TODO: add support for EAP-TLS (client cert/key conf)
+ */
+
+#include "includes.h"
+#include <windows.h>
+#include <wincrypt.h>
+#include <schannel.h>
+#define SECURITY_WIN32
+#include <security.h>
+#include <sspi.h>
+
+#include "common.h"
+#include "tls.h"
+
+
+struct tls_global {
+	HMODULE hsecurity;
+	PSecurityFunctionTable sspi;
+	HCERTSTORE my_cert_store;
+};
+
+struct tls_connection {
+	int established, start;
+	int failed, read_alerts, write_alerts;
+
+	SCHANNEL_CRED schannel_cred;
+	CredHandle creds;
+	CtxtHandle context;
+
+	u8 eap_tls_prf[128];
+	int eap_tls_prf_set;
+};
+
+
+static int schannel_load_lib(struct tls_global *global)
+{
+	INIT_SECURITY_INTERFACE pInitSecurityInterface;
+
+	global->hsecurity = LoadLibrary(TEXT("Secur32.dll"));
+	if (global->hsecurity == NULL) {
+		wpa_printf(MSG_ERROR, "%s: Could not load Secur32.dll - 0x%x",
+			   __func__, (unsigned int) GetLastError());
+		return -1;
+	}
+
+	pInitSecurityInterface = (INIT_SECURITY_INTERFACE) GetProcAddress(
+		global->hsecurity, "InitSecurityInterfaceA");
+	if (pInitSecurityInterface == NULL) {
+		wpa_printf(MSG_ERROR, "%s: Could not find "
+			   "InitSecurityInterfaceA from Secur32.dll",
+			   __func__);
+		FreeLibrary(global->hsecurity);
+		global->hsecurity = NULL;
+		return -1;
+	}
+
+	global->sspi = pInitSecurityInterface();
+	if (global->sspi == NULL) {
+		wpa_printf(MSG_ERROR, "%s: Could not read security "
+			   "interface - 0x%x",
+			   __func__, (unsigned int) GetLastError());
+		FreeLibrary(global->hsecurity);
+		global->hsecurity = NULL;
+		return -1;
+	}
+
+	return 0;
+}
+
+
+void * tls_init(const struct tls_config *conf)
+{
+	struct tls_global *global;
+
+	global = os_zalloc(sizeof(*global));
+	if (global == NULL)
+		return NULL;
+	if (schannel_load_lib(global)) {
+		os_free(global);
+		return NULL;
+	}
+	return global;
+}
+
+
+void tls_deinit(void *ssl_ctx)
+{
+	struct tls_global *global = ssl_ctx;
+
+	if (global->my_cert_store)
+		CertCloseStore(global->my_cert_store, 0);
+	FreeLibrary(global->hsecurity);
+	os_free(global);
+}
+
+
+int tls_get_errors(void *ssl_ctx)
+{
+	return 0;
+}
+
+
+struct tls_connection * tls_connection_init(void *ssl_ctx)
+{
+	struct tls_connection *conn;
+
+	conn = os_zalloc(sizeof(*conn));
+	if (conn == NULL)
+		return NULL;
+	conn->start = 1;
+
+	return conn;
+}
+
+
+void tls_connection_deinit(void *ssl_ctx, struct tls_connection *conn)
+{
+	if (conn == NULL)
+		return;
+
+	os_free(conn);
+}
+
+
+int tls_connection_established(void *ssl_ctx, struct tls_connection *conn)
+{
+	return conn ? conn->established : 0;
+}
+
+
+int tls_connection_shutdown(void *ssl_ctx, struct tls_connection *conn)
+{
+	struct tls_global *global = ssl_ctx;
+	if (conn == NULL)
+		return -1;
+
+	conn->eap_tls_prf_set = 0;
+	conn->established = conn->failed = 0;
+	conn->read_alerts = conn->write_alerts = 0;
+	global->sspi->DeleteSecurityContext(&conn->context);
+	/* FIX: what else needs to be reseted? */
+
+	return 0;
+}
+
+
+int tls_global_set_params(void *tls_ctx,
+			  const struct tls_connection_params *params)
+{
+	return -1;
+}
+
+
+int tls_global_set_verify(void *ssl_ctx, int check_crl)
+{
+	return -1;
+}
+
+
+int tls_connection_set_verify(void *ssl_ctx, struct tls_connection *conn,
+			      int verify_peer)
+{
+	return -1;
+}
+
+
+int tls_connection_get_keys(void *ssl_ctx, struct tls_connection *conn,
+			    struct tls_keys *keys)
+{
+	/* Schannel does not export master secret or client/server random. */
+	return -1;
+}
+
+
+int tls_connection_prf(void *tls_ctx, struct tls_connection *conn,
+		       const char *label, int server_random_first,
+		       u8 *out, size_t out_len)
+{
+	/*
+	 * Cannot get master_key from Schannel, but EapKeyBlock can be used to
+	 * generate session keys for EAP-TLS and EAP-PEAPv0. EAP-PEAPv2 and
+	 * EAP-TTLS cannot use this, though, since they are using different
+	 * labels. The only option could be to implement TLSv1 completely here
+	 * and just use Schannel or CryptoAPI for low-level crypto
+	 * functionality..
+	 */
+
+	if (conn == NULL || !conn->eap_tls_prf_set || server_random_first ||
+	    os_strcmp(label, "client EAP encryption") != 0 ||
+	    out_len > sizeof(conn->eap_tls_prf))
+		return -1;
+
+	os_memcpy(out, conn->eap_tls_prf, out_len);
+
+	return 0;
+}
+
+
+static struct wpabuf * tls_conn_hs_clienthello(struct tls_global *global,
+					       struct tls_connection *conn)
+{
+	DWORD sspi_flags, sspi_flags_out;
+	SecBufferDesc outbuf;
+	SecBuffer outbufs[1];
+	SECURITY_STATUS status;
+	TimeStamp ts_expiry;
+
+	sspi_flags = ISC_REQ_REPLAY_DETECT |
+		ISC_REQ_CONFIDENTIALITY |
+		ISC_RET_EXTENDED_ERROR |
+		ISC_REQ_ALLOCATE_MEMORY |
+		ISC_REQ_MANUAL_CRED_VALIDATION;
+
+	wpa_printf(MSG_DEBUG, "%s: Generating ClientHello", __func__);
+
+	outbufs[0].pvBuffer = NULL;
+	outbufs[0].BufferType = SECBUFFER_TOKEN;
+	outbufs[0].cbBuffer = 0;
+
+	outbuf.cBuffers = 1;
+	outbuf.pBuffers = outbufs;
+	outbuf.ulVersion = SECBUFFER_VERSION;
+
+#ifdef UNICODE
+	status = global->sspi->InitializeSecurityContextW(
+		&conn->creds, NULL, NULL /* server name */, sspi_flags, 0,
+		SECURITY_NATIVE_DREP, NULL, 0, &conn->context,
+		&outbuf, &sspi_flags_out, &ts_expiry);
+#else /* UNICODE */
+	status = global->sspi->InitializeSecurityContextA(
+		&conn->creds, NULL, NULL /* server name */, sspi_flags, 0,
+		SECURITY_NATIVE_DREP, NULL, 0, &conn->context,
+		&outbuf, &sspi_flags_out, &ts_expiry);
+#endif /* UNICODE */
+	if (status != SEC_I_CONTINUE_NEEDED) {
+		wpa_printf(MSG_ERROR, "%s: InitializeSecurityContextA "
+			   "failed - 0x%x",
+			   __func__, (unsigned int) status);
+		return NULL;
+	}
+
+	if (outbufs[0].cbBuffer != 0 && outbufs[0].pvBuffer) {
+		struct wpabuf *buf;
+		wpa_hexdump(MSG_MSGDUMP, "SChannel - ClientHello",
+			    outbufs[0].pvBuffer, outbufs[0].cbBuffer);
+		conn->start = 0;
+		buf = wpabuf_alloc_copy(outbufs[0].pvBuffer,
+					outbufs[0].cbBuffer);
+		if (buf == NULL)
+			return NULL;
+		global->sspi->FreeContextBuffer(outbufs[0].pvBuffer);
+		return buf;
+	}
+
+	wpa_printf(MSG_ERROR, "SChannel: Failed to generate ClientHello");
+
+	return NULL;
+}
+
+
+#ifndef SECPKG_ATTR_EAP_KEY_BLOCK
+#define SECPKG_ATTR_EAP_KEY_BLOCK 0x5b
+
+typedef struct _SecPkgContext_EapKeyBlock {
+	BYTE rgbKeys[128];
+	BYTE rgbIVs[64];
+} SecPkgContext_EapKeyBlock, *PSecPkgContext_EapKeyBlock;
+#endif /* !SECPKG_ATTR_EAP_KEY_BLOCK */
+
+static int tls_get_eap(struct tls_global *global, struct tls_connection *conn)
+{
+	SECURITY_STATUS status;
+	SecPkgContext_EapKeyBlock kb;
+
+	/* Note: Windows NT and Windows Me/98/95 do not support getting
+	 * EapKeyBlock */
+
+	status = global->sspi->QueryContextAttributes(
+		&conn->context, SECPKG_ATTR_EAP_KEY_BLOCK, &kb);
+	if (status != SEC_E_OK) {
+		wpa_printf(MSG_DEBUG, "%s: QueryContextAttributes("
+			   "SECPKG_ATTR_EAP_KEY_BLOCK) failed (%d)",
+			   __func__, (int) status);
+		return -1;
+	}
+
+	wpa_hexdump_key(MSG_MSGDUMP, "Schannel - EapKeyBlock - rgbKeys",
+			kb.rgbKeys, sizeof(kb.rgbKeys));
+	wpa_hexdump_key(MSG_MSGDUMP, "Schannel - EapKeyBlock - rgbIVs",
+			kb.rgbIVs, sizeof(kb.rgbIVs));
+
+	os_memcpy(conn->eap_tls_prf, kb.rgbKeys, sizeof(kb.rgbKeys));
+	conn->eap_tls_prf_set = 1;
+	return 0;
+}
+
+
+struct wpabuf * tls_connection_handshake(void *tls_ctx,
+					 struct tls_connection *conn,
+					 const struct wpabuf *in_data,
+					 struct wpabuf **appl_data)
+{
+	struct tls_global *global = tls_ctx;
+	DWORD sspi_flags, sspi_flags_out;
+	SecBufferDesc inbuf, outbuf;
+	SecBuffer inbufs[2], outbufs[1];
+	SECURITY_STATUS status;
+	TimeStamp ts_expiry;
+	struct wpabuf *out_buf = NULL;
+
+	if (appl_data)
+		*appl_data = NULL;
+
+	if (conn->start)
+		return tls_conn_hs_clienthello(global, conn);
+
+	wpa_printf(MSG_DEBUG, "SChannel: %d bytes handshake data to process",
+		   (int) wpabuf_len(in_data));
+
+	sspi_flags = ISC_REQ_REPLAY_DETECT |
+		ISC_REQ_CONFIDENTIALITY |
+		ISC_RET_EXTENDED_ERROR |
+		ISC_REQ_ALLOCATE_MEMORY |
+		ISC_REQ_MANUAL_CRED_VALIDATION;
+
+	/* Input buffer for Schannel */
+	inbufs[0].pvBuffer = (u8 *) wpabuf_head(in_data);
+	inbufs[0].cbBuffer = wpabuf_len(in_data);
+	inbufs[0].BufferType = SECBUFFER_TOKEN;
+
+	/* Place for leftover data from Schannel */
+	inbufs[1].pvBuffer = NULL;
+	inbufs[1].cbBuffer = 0;
+	inbufs[1].BufferType = SECBUFFER_EMPTY;
+
+	inbuf.cBuffers = 2;
+	inbuf.pBuffers = inbufs;
+	inbuf.ulVersion = SECBUFFER_VERSION;
+
+	/* Output buffer for Schannel */
+	outbufs[0].pvBuffer = NULL;
+	outbufs[0].cbBuffer = 0;
+	outbufs[0].BufferType = SECBUFFER_TOKEN;
+
+	outbuf.cBuffers = 1;
+	outbuf.pBuffers = outbufs;
+	outbuf.ulVersion = SECBUFFER_VERSION;
+
+#ifdef UNICODE
+	status = global->sspi->InitializeSecurityContextW(
+		&conn->creds, &conn->context, NULL, sspi_flags, 0,
+		SECURITY_NATIVE_DREP, &inbuf, 0, NULL,
+		&outbuf, &sspi_flags_out, &ts_expiry);
+#else /* UNICODE */
+	status = global->sspi->InitializeSecurityContextA(
+		&conn->creds, &conn->context, NULL, sspi_flags, 0,
+		SECURITY_NATIVE_DREP, &inbuf, 0, NULL,
+		&outbuf, &sspi_flags_out, &ts_expiry);
+#endif /* UNICODE */
+
+	wpa_printf(MSG_MSGDUMP, "Schannel: InitializeSecurityContext -> "
+		   "status=%d inlen[0]=%d intype[0]=%d inlen[1]=%d "
+		   "intype[1]=%d outlen[0]=%d",
+		   (int) status, (int) inbufs[0].cbBuffer,
+		   (int) inbufs[0].BufferType, (int) inbufs[1].cbBuffer,
+		   (int) inbufs[1].BufferType,
+		   (int) outbufs[0].cbBuffer);
+	if (status == SEC_E_OK || status == SEC_I_CONTINUE_NEEDED ||
+	    (FAILED(status) && (sspi_flags_out & ISC_RET_EXTENDED_ERROR))) {
+		if (outbufs[0].cbBuffer != 0 && outbufs[0].pvBuffer) {
+			wpa_hexdump(MSG_MSGDUMP, "SChannel - output",
+				    outbufs[0].pvBuffer, outbufs[0].cbBuffer);
+			out_buf = wpabuf_alloc_copy(outbufs[0].pvBuffer,
+						    outbufs[0].cbBuffer);
+			global->sspi->FreeContextBuffer(outbufs[0].pvBuffer);
+			outbufs[0].pvBuffer = NULL;
+			if (out_buf == NULL)
+				return NULL;
+		}
+	}
+
+	switch (status) {
+	case SEC_E_INCOMPLETE_MESSAGE:
+		wpa_printf(MSG_DEBUG, "Schannel: SEC_E_INCOMPLETE_MESSAGE");
+		break;
+	case SEC_I_CONTINUE_NEEDED:
+		wpa_printf(MSG_DEBUG, "Schannel: SEC_I_CONTINUE_NEEDED");
+		break;
+	case SEC_E_OK:
+		/* TODO: verify server certificate chain */
+		wpa_printf(MSG_DEBUG, "Schannel: SEC_E_OK - Handshake "
+			   "completed successfully");
+		conn->established = 1;
+		tls_get_eap(global, conn);
+
+		/* Need to return something to get final TLS ACK. */
+		if (out_buf == NULL)
+			out_buf = wpabuf_alloc(0);
+
+		if (inbufs[1].BufferType == SECBUFFER_EXTRA) {
+			wpa_hexdump(MSG_MSGDUMP, "SChannel - Encrypted "
+				    "application data",
+				    inbufs[1].pvBuffer, inbufs[1].cbBuffer);
+			if (appl_data) {
+				*appl_data = wpabuf_alloc_copy(
+					outbufs[1].pvBuffer,
+					outbufs[1].cbBuffer);
+			}
+			global->sspi->FreeContextBuffer(inbufs[1].pvBuffer);
+			inbufs[1].pvBuffer = NULL;
+		}
+		break;
+	case SEC_I_INCOMPLETE_CREDENTIALS:
+		wpa_printf(MSG_DEBUG,
+			   "Schannel: SEC_I_INCOMPLETE_CREDENTIALS");
+		break;
+	case SEC_E_WRONG_PRINCIPAL:
+		wpa_printf(MSG_DEBUG, "Schannel: SEC_E_WRONG_PRINCIPAL");
+		break;
+	case SEC_E_INTERNAL_ERROR:
+		wpa_printf(MSG_DEBUG, "Schannel: SEC_E_INTERNAL_ERROR");
+		break;
+	}
+
+	if (FAILED(status)) {
+		wpa_printf(MSG_DEBUG, "Schannel: Handshake failed "
+			   "(out_buf=%p)", out_buf);
+		conn->failed++;
+		global->sspi->DeleteSecurityContext(&conn->context);
+		return out_buf;
+	}
+
+	if (inbufs[1].BufferType == SECBUFFER_EXTRA) {
+		/* TODO: Can this happen? What to do with this data? */
+		wpa_hexdump(MSG_MSGDUMP, "SChannel - Leftover data",
+			    inbufs[1].pvBuffer, inbufs[1].cbBuffer);
+		global->sspi->FreeContextBuffer(inbufs[1].pvBuffer);
+		inbufs[1].pvBuffer = NULL;
+	}
+
+	return out_buf;
+}
+
+
+struct wpabuf * tls_connection_server_handshake(void *tls_ctx,
+						struct tls_connection *conn,
+						const struct wpabuf *in_data,
+						struct wpabuf **appl_data)
+{
+	return NULL;
+}
+
+
+struct wpabuf * tls_connection_encrypt(void *tls_ctx,
+				       struct tls_connection *conn,
+				       const struct wpabuf *in_data)
+{
+	struct tls_global *global = tls_ctx;
+	SECURITY_STATUS status;
+	SecBufferDesc buf;
+	SecBuffer bufs[4];
+	SecPkgContext_StreamSizes sizes;
+	int i;
+	struct wpabuf *out;
+
+	status = global->sspi->QueryContextAttributes(&conn->context,
+						      SECPKG_ATTR_STREAM_SIZES,
+						      &sizes);
+	if (status != SEC_E_OK) {
+		wpa_printf(MSG_DEBUG, "%s: QueryContextAttributes failed",
+			   __func__);
+		return NULL;
+	}
+	wpa_printf(MSG_DEBUG, "%s: Stream sizes: header=%u trailer=%u",
+		   __func__,
+		   (unsigned int) sizes.cbHeader,
+		   (unsigned int) sizes.cbTrailer);
+
+	out = wpabuf_alloc(sizes.cbHeader + wpabuf_len(in_data) +
+			   sizes.cbTrailer);
+
+	os_memset(&bufs, 0, sizeof(bufs));
+	bufs[0].pvBuffer = wpabuf_put(out, sizes.cbHeader);
+	bufs[0].cbBuffer = sizes.cbHeader;
+	bufs[0].BufferType = SECBUFFER_STREAM_HEADER;
+
+	bufs[1].pvBuffer = wpabuf_put(out, 0);
+	wpabuf_put_buf(out, in_data);
+	bufs[1].cbBuffer = wpabuf_len(in_data);
+	bufs[1].BufferType = SECBUFFER_DATA;
+
+	bufs[2].pvBuffer = wpabuf_put(out, sizes.cbTrailer);
+	bufs[2].cbBuffer = sizes.cbTrailer;
+	bufs[2].BufferType = SECBUFFER_STREAM_TRAILER;
+
+	buf.ulVersion = SECBUFFER_VERSION;
+	buf.cBuffers = 3;
+	buf.pBuffers = bufs;
+
+	status = global->sspi->EncryptMessage(&conn->context, 0, &buf, 0);
+
+	wpa_printf(MSG_MSGDUMP, "Schannel: EncryptMessage -> "
+		   "status=%d len[0]=%d type[0]=%d len[1]=%d type[1]=%d "
+		   "len[2]=%d type[2]=%d",
+		   (int) status,
+		   (int) bufs[0].cbBuffer, (int) bufs[0].BufferType,
+		   (int) bufs[1].cbBuffer, (int) bufs[1].BufferType,
+		   (int) bufs[2].cbBuffer, (int) bufs[2].BufferType);
+	wpa_printf(MSG_MSGDUMP, "Schannel: EncryptMessage pointers: "
+		   "out_data=%p bufs %p %p %p",
+		   wpabuf_head(out), bufs[0].pvBuffer, bufs[1].pvBuffer,
+		   bufs[2].pvBuffer);
+
+	for (i = 0; i < 3; i++) {
+		if (bufs[i].pvBuffer && bufs[i].BufferType != SECBUFFER_EMPTY)
+		{
+			wpa_hexdump(MSG_MSGDUMP, "SChannel: bufs",
+				    bufs[i].pvBuffer, bufs[i].cbBuffer);
+		}
+	}
+
+	if (status == SEC_E_OK) {
+		wpa_printf(MSG_DEBUG, "%s: SEC_E_OK", __func__);
+		wpa_hexdump_buf_key(MSG_MSGDUMP, "Schannel: Encrypted data "
+				    "from EncryptMessage", out);
+		return out;
+	}
+
+	wpa_printf(MSG_DEBUG, "%s: Failed - status=%d",
+		   __func__, (int) status);
+	wpabuf_free(out);
+	return NULL;
+}
+
+
+struct wpabuf * tls_connection_decrypt(void *tls_ctx,
+				       struct tls_connection *conn,
+				       const struct wpabuf *in_data)
+{
+	struct tls_global *global = tls_ctx;
+	SECURITY_STATUS status;
+	SecBufferDesc buf;
+	SecBuffer bufs[4];
+	int i;
+	struct wpabuf *out, *tmp;
+
+	wpa_hexdump_buf(MSG_MSGDUMP,
+			"Schannel: Encrypted data to DecryptMessage", in_data);
+	os_memset(&bufs, 0, sizeof(bufs));
+	tmp = wpabuf_dup(in_data);
+	if (tmp == NULL)
+		return NULL;
+	bufs[0].pvBuffer = wpabuf_mhead(tmp);
+	bufs[0].cbBuffer = wpabuf_len(in_data);
+	bufs[0].BufferType = SECBUFFER_DATA;
+
+	bufs[1].BufferType = SECBUFFER_EMPTY;
+	bufs[2].BufferType = SECBUFFER_EMPTY;
+	bufs[3].BufferType = SECBUFFER_EMPTY;
+
+	buf.ulVersion = SECBUFFER_VERSION;
+	buf.cBuffers = 4;
+	buf.pBuffers = bufs;
+
+	status = global->sspi->DecryptMessage(&conn->context, &buf, 0,
+						    NULL);
+	wpa_printf(MSG_MSGDUMP, "Schannel: DecryptMessage -> "
+		   "status=%d len[0]=%d type[0]=%d len[1]=%d type[1]=%d "
+		   "len[2]=%d type[2]=%d len[3]=%d type[3]=%d",
+		   (int) status,
+		   (int) bufs[0].cbBuffer, (int) bufs[0].BufferType,
+		   (int) bufs[1].cbBuffer, (int) bufs[1].BufferType,
+		   (int) bufs[2].cbBuffer, (int) bufs[2].BufferType,
+		   (int) bufs[3].cbBuffer, (int) bufs[3].BufferType);
+	wpa_printf(MSG_MSGDUMP, "Schannel: DecryptMessage pointers: "
+		   "out_data=%p bufs %p %p %p %p",
+		   wpabuf_head(tmp), bufs[0].pvBuffer, bufs[1].pvBuffer,
+		   bufs[2].pvBuffer, bufs[3].pvBuffer);
+
+	switch (status) {
+	case SEC_E_INCOMPLETE_MESSAGE:
+		wpa_printf(MSG_DEBUG, "%s: SEC_E_INCOMPLETE_MESSAGE",
+			   __func__);
+		break;
+	case SEC_E_OK:
+		wpa_printf(MSG_DEBUG, "%s: SEC_E_OK", __func__);
+		for (i = 0; i < 4; i++) {
+			if (bufs[i].BufferType == SECBUFFER_DATA)
+				break;
+		}
+		if (i == 4) {
+			wpa_printf(MSG_DEBUG, "%s: No output data from "
+				   "DecryptMessage", __func__);
+			wpabuf_free(tmp);
+			return NULL;
+		}
+		wpa_hexdump_key(MSG_MSGDUMP, "Schannel: Decrypted data from "
+				"DecryptMessage",
+				bufs[i].pvBuffer, bufs[i].cbBuffer);
+		out = wpabuf_alloc_copy(bufs[i].pvBuffer, bufs[i].cbBuffer);
+		wpabuf_free(tmp);
+		return out;
+	}
+
+	wpa_printf(MSG_DEBUG, "%s: Failed - status=%d",
+		   __func__, (int) status);
+	wpabuf_free(tmp);
+	return NULL;
+}
+
+
+int tls_connection_resumed(void *ssl_ctx, struct tls_connection *conn)
+{
+	return 0;
+}
+
+
+int tls_connection_set_cipher_list(void *tls_ctx, struct tls_connection *conn,
+				   u8 *ciphers)
+{
+	return -1;
+}
+
+
+int tls_get_cipher(void *ssl_ctx, struct tls_connection *conn,
+		   char *buf, size_t buflen)
+{
+	return -1;
+}
+
+
+int tls_connection_enable_workaround(void *ssl_ctx,
+				     struct tls_connection *conn)
+{
+	return 0;
+}
+
+
+int tls_connection_client_hello_ext(void *ssl_ctx, struct tls_connection *conn,
+				    int ext_type, const u8 *data,
+				    size_t data_len)
+{
+	return -1;
+}
+
+
+int tls_connection_get_failed(void *ssl_ctx, struct tls_connection *conn)
+{
+	if (conn == NULL)
+		return -1;
+	return conn->failed;
+}
+
+
+int tls_connection_get_read_alerts(void *ssl_ctx, struct tls_connection *conn)
+{
+	if (conn == NULL)
+		return -1;
+	return conn->read_alerts;
+}
+
+
+int tls_connection_get_write_alerts(void *ssl_ctx, struct tls_connection *conn)
+{
+	if (conn == NULL)
+		return -1;
+	return conn->write_alerts;
+}
+
+
+int tls_connection_set_params(void *tls_ctx, struct tls_connection *conn,
+			      const struct tls_connection_params *params)
+{
+	struct tls_global *global = tls_ctx;
+	ALG_ID algs[1];
+	SECURITY_STATUS status;
+	TimeStamp ts_expiry;
+
+	if (conn == NULL)
+		return -1;
+
+	if (global->my_cert_store == NULL &&
+	    (global->my_cert_store = CertOpenSystemStore(0, TEXT("MY"))) ==
+	    NULL) {
+		wpa_printf(MSG_ERROR, "%s: CertOpenSystemStore failed - 0x%x",
+			   __func__, (unsigned int) GetLastError());
+		return -1;
+	}
+
+	os_memset(&conn->schannel_cred, 0, sizeof(conn->schannel_cred));
+	conn->schannel_cred.dwVersion = SCHANNEL_CRED_VERSION;
+	conn->schannel_cred.grbitEnabledProtocols = SP_PROT_TLS1;
+	algs[0] = CALG_RSA_KEYX;
+	conn->schannel_cred.cSupportedAlgs = 1;
+	conn->schannel_cred.palgSupportedAlgs = algs;
+	conn->schannel_cred.dwFlags |= SCH_CRED_NO_DEFAULT_CREDS;
+#ifdef UNICODE
+	status = global->sspi->AcquireCredentialsHandleW(
+		NULL, UNISP_NAME_W, SECPKG_CRED_OUTBOUND, NULL,
+		&conn->schannel_cred, NULL, NULL, &conn->creds, &ts_expiry);
+#else /* UNICODE */
+	status = global->sspi->AcquireCredentialsHandleA(
+		NULL, UNISP_NAME_A, SECPKG_CRED_OUTBOUND, NULL,
+		&conn->schannel_cred, NULL, NULL, &conn->creds, &ts_expiry);
+#endif /* UNICODE */
+	if (status != SEC_E_OK) {
+		wpa_printf(MSG_DEBUG, "%s: AcquireCredentialsHandleA failed - "
+			   "0x%x", __func__, (unsigned int) status);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+unsigned int tls_capabilities(void *tls_ctx)
+{
+	return 0;
+}
+
+
+int tls_connection_set_ia(void *tls_ctx, struct tls_connection *conn,
+			  int tls_ia)
+{
+	return -1;
+}
+
+
+struct wpabuf * tls_connection_ia_send_phase_finished(
+	void *tls_ctx, struct tls_connection *conn, int final);
+{
+	return NULL;
+}
+
+
+int tls_connection_ia_final_phase_finished(void *tls_ctx,
+					   struct tls_connection *conn)
+{
+	return -1;
+}
+
+
+int tls_connection_ia_permute_inner_secret(void *tls_ctx,
+					   struct tls_connection *conn,
+					   const u8 *key, size_t key_len)
+{
+	return -1;
+}
diff --git a/src/drivers/.gitignore b/src/drivers/.gitignore
new file mode 100644
index 0000000..1d9e0e6
--- /dev/null
+++ b/src/drivers/.gitignore
@@ -0,0 +1,2 @@
+build.wpa_supplicant
+build.hostapd
diff --git a/src/drivers/Apple80211.h b/src/drivers/Apple80211.h
new file mode 100644
index 0000000..2a612e7
--- /dev/null
+++ b/src/drivers/Apple80211.h
@@ -0,0 +1,156 @@
+#ifndef APPLE80211_H
+#define APPLE80211_H
+
+/*
+ * Apple80211 framework definitions
+ * This is an undocumented interface and the definitions here are based on
+ * information from MacStumbler (http://www.macstumbler.com/Apple80211.h) and
+ * whatever related information can be found with google and experiments ;-).
+ */
+
+typedef struct __WirelessRef *WirelessRef;
+typedef SInt32 WirelessError;
+#define errWirelessNoError 0
+
+typedef struct WirelessInfo {
+	UInt16 link_qual;
+	UInt16 comms_qual;
+	UInt16 signal;
+	UInt16 noise;
+	UInt16 port_stat;
+	UInt16 client_mode;
+	UInt16 res1;
+	UInt16 power;
+	UInt16 res2;
+	UInt8 bssID[6];
+	UInt8 ssid[34];
+} WirelessInfo;
+
+typedef struct WirelessInfo2 {
+	/* TODO - these are probably not in correct order or complete */
+	WirelessInfo info1;
+	UInt8 macAddress[6];
+} WirelessInfo2;
+
+typedef struct WirelessNetworkInfo {
+	UInt16 channel;
+	UInt16 noise;
+	UInt16 signal;
+	UInt8 bssid[6];
+	UInt16 beacon_int;
+	UInt16 capability;
+	UInt16 ssid_len;
+	UInt8 ssid[32];
+} WirelessNetworkInfo;
+
+typedef int wirelessKeyType; /* TODO */
+
+int WirelessIsAvailable(void);
+WirelessError WirelessAttach(WirelessRef *ref, UInt32 res);
+WirelessError WirelessDetach(WirelessRef ref);
+WirelessError WirelessPrivate(WirelessRef ref, void *in_ptr, int in_bytes,
+			      void *out_ptr, int out_bytes);
+WirelessError WirelessSetEnabled(WirelessRef ref, UInt8 enabled);
+WirelessError WirelessGetEnabled(WirelessRef ref, UInt8 *enabled);
+WirelessError WirelessSetPower(WirelessRef ref, UInt8 power);
+WirelessError WirelessGetPower(WirelessRef ref, UInt8 *power);
+WirelessError WirelessGetInfo(WirelessRef ref, WirelessInfo *info);
+WirelessError WirelessGetInfo2(WirelessRef ref, WirelessInfo2 *info);
+WirelessError WirelessScan(WirelessRef ref, CFArrayRef *results,
+			   UInt32 strip_dups);
+WirelessError WirelessScanSplit(WirelessRef ref, CFArrayRef *ap_results,
+				CFArrayRef *ibss_results, UInt32 strip_dups);
+WirelessError WirelessDirectedScan(WirelessRef ref, CFArrayRef *results,
+				   UInt32 strip_dups, CFStringRef ssid);
+WirelessError WirelessDirectedScan2(WirelessRef ref, CFDataRef ssid,
+				    UInt32 strip_dups, CFArrayRef *results);
+WirelessError WirelessJoin(WirelessRef ref, CFStringRef ssid);
+WirelessError WirelessJoinWEP(WirelessRef ref, CFStringRef ssid,
+			      CFStringRef passwd);
+WirelessError WirelessJoin8021x(WirelessRef ref, CFStringRef ssid);
+/*
+ * Set WEP key
+ * ref: wireless reference from WirelessAttach()
+ * type: ?
+ * key_idx: 0..3
+ * key_len: 13 for WEP-104 or 0 for clearing the key
+ * key: Pointer to the key or %NULL if key_len = 0
+ */
+WirelessError WirelessSetKey(WirelessRef ref, wirelessKeyType type,
+			     int key_idx, int key_len,
+			     const unsigned char *key);
+/*
+ * Set WPA key (e.g., PMK for 4-way handshake)
+ * ref: wireless reference from WirelessAttach()
+ * type: 0..4; 1 = PMK
+ * key_len: 16, 32, or 0
+ * key: Pointer to the key or %NULL if key_len = 0
+ */
+WirelessError WirelessSetWPAKey(WirelessRef ref, wirelessKeyType type,
+				int key_len, const unsigned char *key);
+WirelessError WirelessAssociate(WirelessRef ref, int type, CFDataRef ssid,
+				CFStringRef key);
+WirelessError WirelessAssociate2(WirelessRef ref, CFDictionaryRef scan_res,
+				 CFStringRef key);
+WirelessError WirelessDisassociate(WirelessRef ref);
+
+/*
+ * Get a copy of scan results for the given SSID
+ * The returned dictionary includes following entries:
+ * beaconInterval: CFNumber(kCFNumberSInt32Type)
+ * SSID: CFData buffer of the SSID
+ * isWPA: CFNumber(kCFNumberSInt32Type); 0 = not used, 1 = WPA, -128 = WPA2
+ * name: Name of the network (SSID string)
+ * BSSID: CFData buffer of the BSSID
+ * channel: CFNumber(kCFNumberSInt32Type)
+ * signal: CFNumber(kCFNumberSInt32Type)
+ * appleIE: CFData
+ * WPSNOPINRequired: CFBoolean
+ * noise: CFNumber(kCFNumberSInt32Type)
+ * capability: CFNumber(kCFNumberSInt32Type)
+ * uniCipher: CFArray of CFNumber(kCFNumberSInt32Type)
+ * appleIE_Version: CFNumber(kCFNumberSInt32Type)
+ * appleIE_Robust: CFBoolean
+ * WPSConfigured: CFBoolean
+ * scanWasDirected: CFBoolean
+ * appleIE_Product: CFNumber(kCFNumberSInt32Type)
+ * authModes: CFArray of CFNumber(kCFNumberSInt32Type)
+ * multiCipher: CFNumber(kCFNumberSInt32Type)
+ */
+CFDictionaryRef WirelessSafeDirectedScanCopy(WirelessRef ref, CFDataRef ssid);
+
+/*
+ * Get information about the current association
+ * The returned dictionary includes following entries:
+ * keyData: CFData buffer of the key (e.g., 32-octet PSK)
+ * multiCipher: CFNumber(kCFNumberSInt32Type); 0 = none, 5 = CCMP?
+ * channel: CFNumber(kCFNumberSInt32Type)
+ * isIBSS: CFBoolean
+ * authMode: CFNumber(kCFNumberSInt32Type); 2 = WPA-Personal; 3 = open,
+ *	129 = WPA2-Enterprise
+ * isWPA: CFNumber(kCFNumberSInt32Type); 0 = not used, 1 = WPA, -128 == WPA2
+ * SSID: CFData buffer of the SSID
+ * cipherMode: CFNumber(kCFNumberSInt32Type); 0 = none, 4 = CCMP?
+ */
+CFDictionaryRef WirelessGetAssociationInfo(WirelessRef ref);
+
+WirelessError WirelessConfigure(WirelessRef ref);
+
+/*
+ * Get ASP information
+ * The returned dictionary includes following entries:
+ * Version: version number (e.g., 3.0)
+ * Channel: channel (e.g., 1)
+ * Vendor: vendor (e.g., 2)
+ */
+CFDictionaryRef WirelessGetInfoASP(void);
+
+/*
+ * Get a copy of the interface dictionary
+ * The returned dictionary has a key,value pairs for wireless interfaces.
+ * The key is the interface name and the value is the driver identifier, e.g.,
+ * en1: com.apple.driver.AirPort.Atheros
+ */
+CFDictionaryRef WirelessCopyInterfaceDict(void);
+
+#endif /* APPLE80211_H */
diff --git a/src/drivers/Makefile b/src/drivers/Makefile
new file mode 100644
index 0000000..07600e5
--- /dev/null
+++ b/src/drivers/Makefile
@@ -0,0 +1,9 @@
+all:
+	@echo Nothing to be made.
+
+clean:
+	rm -f *~ *.o *.d
+	rm -f build.wpa_supplicant build.hostapd
+
+install:
+	@echo Nothing to be made.
diff --git a/src/drivers/MobileApple80211.c b/src/drivers/MobileApple80211.c
new file mode 100644
index 0000000..ce004fe
--- /dev/null
+++ b/src/drivers/MobileApple80211.c
@@ -0,0 +1,189 @@
+#include "includes.h"
+#include <dlfcn.h>
+
+#include "common.h"
+
+#include <CoreFoundation/CoreFoundation.h>
+#include "MobileApple80211.h"
+
+/*
+ * Code for dynamically loading Apple80211 functions from Aeropuerto to avoid
+ * having to link with full Preferences.framework.
+ */
+
+static void *aeropuerto = NULL;
+
+
+int _Apple80211Initialized(void)
+{
+	return aeropuerto ? 1 : 0;
+}
+
+
+static int (*__Apple80211Open)(Apple80211Ref *ctx) = NULL;
+
+int Apple80211Open(Apple80211Ref *ctx)
+{
+	return __Apple80211Open(ctx);
+}
+
+
+static int (*__Apple80211Close)(Apple80211Ref ctx) = NULL;
+
+int Apple80211Close(Apple80211Ref ctx)
+{
+	return __Apple80211Close(ctx);
+}
+
+
+static int (*__Apple80211GetIfListCopy)(Apple80211Ref handle, CFArrayRef *list)
+	= NULL;
+
+int Apple80211GetIfListCopy(Apple80211Ref handle, CFArrayRef *list)
+{
+	return __Apple80211GetIfListCopy(handle, list);
+}
+
+
+static int (*__Apple80211BindToInterface)(Apple80211Ref handle,
+					  CFStringRef interface) = NULL;
+
+int Apple80211BindToInterface(Apple80211Ref handle,
+			      CFStringRef interface)
+{
+	return __Apple80211BindToInterface(handle, interface);
+}
+
+
+static int (*__Apple80211GetInterfaceNameCopy)(Apple80211Ref handle,
+					       CFStringRef *name) = NULL;
+
+int Apple80211GetInterfaceNameCopy(Apple80211Ref handle,
+				   CFStringRef *name)
+{
+	return __Apple80211GetInterfaceNameCopy(handle, name);
+}
+
+
+static int (*__Apple80211GetInfoCopy)(Apple80211Ref handle,
+				      CFDictionaryRef *info) = NULL;
+
+int Apple80211GetInfoCopy(Apple80211Ref handle,
+			  CFDictionaryRef *info)
+{
+	return __Apple80211GetInfoCopy(handle, info);
+}
+
+
+static int (*__Apple80211GetPower)(Apple80211Ref handle, char *pwr) = NULL;
+
+int Apple80211GetPower(Apple80211Ref handle, char *pwr)
+{
+	return __Apple80211GetPower(handle, pwr);
+}
+
+
+static int (*__Apple80211SetPower)(Apple80211Ref handle, char pwr) = NULL;
+
+int Apple80211SetPower(Apple80211Ref handle, char pwr)
+{
+	return __Apple80211SetPower(handle, pwr);
+}
+
+
+static int (*__Apple80211Scan)(Apple80211Ref handle, CFArrayRef *list,
+			       CFDictionaryRef parameters) = NULL;
+
+int Apple80211Scan(Apple80211Ref handle, CFArrayRef *list,
+		   CFDictionaryRef parameters)
+{
+	return __Apple80211Scan(handle, list, parameters);
+}
+
+
+static int (*__Apple80211Associate)(Apple80211Ref handle, CFDictionaryRef bss,
+				    CFStringRef password) = NULL;
+
+int Apple80211Associate(Apple80211Ref handle, CFDictionaryRef bss,
+			CFStringRef password)
+{
+	return __Apple80211Associate(handle, bss, password);
+}
+
+
+static int (*__Apple80211AssociateAndCopyInfo)(Apple80211Ref handle,
+					       CFDictionaryRef bss,
+					       CFStringRef password,
+					       CFDictionaryRef *info) =
+	NULL;
+
+int Apple80211AssociateAndCopyInfo(Apple80211Ref handle, CFDictionaryRef bss,
+				   CFStringRef password, CFDictionaryRef *info)
+{
+	return __Apple80211AssociateAndCopyInfo(handle, bss, password, info);
+}
+
+
+static int (*__Apple80211CopyValue)(Apple80211Ref handle, int field,
+				    CFDictionaryRef arg2, void *value) = NULL;
+
+int Apple80211CopyValue(Apple80211Ref handle, int field, CFDictionaryRef arg2,
+			void *value)
+{
+	return __Apple80211CopyValue(handle, field, arg2, value);
+}
+
+
+#define DLSYM(s) \
+do { \
+	__ ## s = dlsym(aeropuerto, #s); \
+	if (__ ## s == NULL) { \
+		wpa_printf(MSG_ERROR, "MobileApple80211: Could not resolve " \
+			   "symbol '" #s "' (%s)", dlerror()); \
+		err = 1; \
+	} \
+} while (0)
+
+
+__attribute__ ((constructor))
+void _Apple80211_constructor(void)
+{
+	const char *fname = "/System/Library/SystemConfiguration/"
+		"Aeropuerto.bundle/Aeropuerto";
+	int err = 0;
+
+	aeropuerto = dlopen(fname, RTLD_LAZY);
+	if (!aeropuerto) {
+		wpa_printf(MSG_ERROR, "MobileApple80211: Failed to open %s "
+			   "for symbols", fname);
+		return;
+	}
+
+	DLSYM(Apple80211Open);
+	DLSYM(Apple80211Close);
+	DLSYM(Apple80211GetIfListCopy);
+	DLSYM(Apple80211BindToInterface);
+	DLSYM(Apple80211GetInterfaceNameCopy);
+	DLSYM(Apple80211GetInfoCopy);
+	DLSYM(Apple80211GetPower);
+	DLSYM(Apple80211SetPower);
+	DLSYM(Apple80211Scan);
+	DLSYM(Apple80211Associate);
+	DLSYM(Apple80211AssociateAndCopyInfo);
+	DLSYM(Apple80211CopyValue);
+
+	if (err) {
+		dlclose(aeropuerto);
+		aeropuerto = NULL;
+	}
+}
+
+
+__attribute__ ((destructor))
+void _Apple80211_destructor(void)
+{
+	if (aeropuerto) {
+		dlclose(aeropuerto);
+		aeropuerto = NULL;
+	}
+}
diff --git a/src/drivers/MobileApple80211.h b/src/drivers/MobileApple80211.h
new file mode 100644
index 0000000..64d439d
--- /dev/null
+++ b/src/drivers/MobileApple80211.h
@@ -0,0 +1,43 @@
+#ifndef MOBILEAPPLE80211_H
+#define MOBILEAPPLE80211_H
+
+/*
+ * MobileApple80211 interface for iPhone/iPod touch
+ * These functions are available from Aeropuerto.
+ */
+
+struct Apple80211;
+typedef struct Apple80211 *Apple80211Ref;
+
+int Apple80211Open(Apple80211Ref *ctx);
+int Apple80211Close(Apple80211Ref ctx);
+int Apple80211GetIfListCopy(Apple80211Ref handle, CFArrayRef *list);
+int Apple80211BindToInterface(Apple80211Ref handle,
+			      CFStringRef interface);
+int Apple80211GetInterfaceNameCopy(Apple80211Ref handle,
+				   CFStringRef *name);
+int Apple80211GetInfoCopy(Apple80211Ref handle,
+			  CFDictionaryRef *info);
+int Apple80211GetPower(Apple80211Ref handle, char *pwr);
+int Apple80211SetPower(Apple80211Ref handle, char pwr);
+
+/* parameters can be NULL; returns scan results in CFArrayRef *list;
+ * caller will need to free with CFRelease() */
+int Apple80211Scan(Apple80211Ref handle, CFArrayRef *list,
+		   CFDictionaryRef parameters);
+
+int Apple80211Associate(Apple80211Ref handle, CFDictionaryRef bss,
+			CFStringRef password);
+int Apple80211AssociateAndCopyInfo(Apple80211Ref handle, CFDictionaryRef bss,
+				   CFStringRef password,
+				   CFDictionaryRef *info);
+
+enum {
+	APPLE80211_VALUE_SSID = 1,
+	APPLE80211_VALUE_BSSID = 9
+};
+
+int Apple80211CopyValue(Apple80211Ref handle, int field, CFDictionaryRef arg2,
+			void *value);
+
+#endif /* MOBILEAPPLE80211_H */
diff --git a/src/drivers/driver.h b/src/drivers/driver.h
new file mode 100644
index 0000000..8efd697
--- /dev/null
+++ b/src/drivers/driver.h
@@ -0,0 +1,3230 @@
+/*
+ * Driver interface definition
+ * Copyright (c) 2003-2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This file defines a driver interface used by both %wpa_supplicant and
+ * hostapd. The first part of the file defines data structures used in various
+ * driver operations. This is followed by the struct wpa_driver_ops that each
+ * driver wrapper will beed to define with callback functions for requesting
+ * driver operations. After this, there are definitions for driver event
+ * reporting with wpa_supplicant_event() and some convenience helper functions
+ * that can be used to report events.
+ */
+
+#ifndef DRIVER_H
+#define DRIVER_H
+
+#define WPA_SUPPLICANT_DRIVER_VERSION 4
+
+#include "common/defs.h"
+
+#define HOSTAPD_CHAN_DISABLED 0x00000001
+#define HOSTAPD_CHAN_PASSIVE_SCAN 0x00000002
+#define HOSTAPD_CHAN_NO_IBSS 0x00000004
+#define HOSTAPD_CHAN_RADAR 0x00000008
+#define HOSTAPD_CHAN_HT40PLUS 0x00000010
+#define HOSTAPD_CHAN_HT40MINUS 0x00000020
+#define HOSTAPD_CHAN_HT40 0x00000040
+
+/**
+ * struct hostapd_channel_data - Channel information
+ */
+struct hostapd_channel_data {
+	/**
+	 * chan - Channel number (IEEE 802.11)
+	 */
+	short chan;
+
+	/**
+	 * freq - Frequency in MHz
+	 */
+	short freq;
+
+	/**
+	 * flag - Channel flags (HOSTAPD_CHAN_*)
+	 */
+	int flag;
+
+	/**
+	 * max_tx_power - maximum transmit power in dBm
+	 */
+	u8 max_tx_power;
+};
+
+/**
+ * struct hostapd_hw_modes - Supported hardware mode information
+ */
+struct hostapd_hw_modes {
+	/**
+	 * mode - Hardware mode
+	 */
+	enum hostapd_hw_mode mode;
+
+	/**
+	 * num_channels - Number of entries in the channels array
+	 */
+	int num_channels;
+
+	/**
+	 * channels - Array of supported channels
+	 */
+	struct hostapd_channel_data *channels;
+
+	/**
+	 * num_rates - Number of entries in the rates array
+	 */
+	int num_rates;
+
+	/**
+	 * rates - Array of supported rates in 100 kbps units
+	 */
+	int *rates;
+
+	/**
+	 * ht_capab - HT (IEEE 802.11n) capabilities
+	 */
+	u16 ht_capab;
+
+	/**
+	 * mcs_set - MCS (IEEE 802.11n) rate parameters
+	 */
+	u8 mcs_set[16];
+
+	/**
+	 * a_mpdu_params - A-MPDU (IEEE 802.11n) parameters
+	 */
+	u8 a_mpdu_params;
+};
+
+
+#define IEEE80211_MODE_INFRA	0
+#define IEEE80211_MODE_IBSS	1
+#define IEEE80211_MODE_AP	2
+
+#define IEEE80211_CAP_ESS	0x0001
+#define IEEE80211_CAP_IBSS	0x0002
+#define IEEE80211_CAP_PRIVACY	0x0010
+
+#define WPA_SCAN_QUAL_INVALID		BIT(0)
+#define WPA_SCAN_NOISE_INVALID		BIT(1)
+#define WPA_SCAN_LEVEL_INVALID		BIT(2)
+#define WPA_SCAN_LEVEL_DBM		BIT(3)
+#define WPA_SCAN_AUTHENTICATED		BIT(4)
+#define WPA_SCAN_ASSOCIATED		BIT(5)
+
+/**
+ * struct wpa_scan_res - Scan result for an BSS/IBSS
+ * @flags: information flags about the BSS/IBSS (WPA_SCAN_*)
+ * @bssid: BSSID
+ * @freq: frequency of the channel in MHz (e.g., 2412 = channel 1)
+ * @beacon_int: beacon interval in TUs (host byte order)
+ * @caps: capability information field in host byte order
+ * @qual: signal quality
+ * @noise: noise level
+ * @level: signal level
+ * @tsf: Timestamp
+ * @age: Age of the information in milliseconds (i.e., how many milliseconds
+ * ago the last Beacon or Probe Response frame was received)
+ * @ie_len: length of the following IE field in octets
+ * @beacon_ie_len: length of the following Beacon IE field in octets
+ *
+ * This structure is used as a generic format for scan results from the
+ * driver. Each driver interface implementation is responsible for converting
+ * the driver or OS specific scan results into this format.
+ *
+ * If the driver does not support reporting all IEs, the IE data structure is
+ * constructed of the IEs that are available. This field will also need to
+ * include SSID in IE format. All drivers are encouraged to be extended to
+ * report all IEs to make it easier to support future additions.
+ */
+struct wpa_scan_res {
+	unsigned int flags;
+	u8 bssid[ETH_ALEN];
+	int freq;
+	u16 beacon_int;
+	u16 caps;
+	int qual;
+	int noise;
+	int level;
+	u64 tsf;
+	unsigned int age;
+	size_t ie_len;
+	size_t beacon_ie_len;
+	/*
+	 * Followed by ie_len octets of IEs from Probe Response frame (or if
+	 * the driver does not indicate source of IEs, these may also be from
+	 * Beacon frame). After the first set of IEs, another set of IEs may
+	 * follow (with beacon_ie_len octets of data) if the driver provides
+	 * both IE sets.
+	 */
+};
+
+/**
+ * struct wpa_scan_results - Scan results
+ * @res: Array of pointers to allocated variable length scan result entries
+ * @num: Number of entries in the scan result array
+ */
+struct wpa_scan_results {
+	struct wpa_scan_res **res;
+	size_t num;
+};
+
+/**
+ * struct wpa_interface_info - Network interface information
+ * @next: Pointer to the next interface or NULL if this is the last one
+ * @ifname: Interface name that can be used with init() or init2()
+ * @desc: Human readable adapter description (e.g., vendor/model) or NULL if
+ *	not available
+ * @drv_name: struct wpa_driver_ops::name (note: unlike other strings, this one
+ *	is not an allocated copy, i.e., get_interfaces() caller will not free
+ *	this)
+ */
+struct wpa_interface_info {
+	struct wpa_interface_info *next;
+	char *ifname;
+	char *desc;
+	const char *drv_name;
+};
+
+#define WPAS_MAX_SCAN_SSIDS 4
+
+/**
+ * struct wpa_driver_scan_params - Scan parameters
+ * Data for struct wpa_driver_ops::scan2().
+ */
+struct wpa_driver_scan_params {
+	/**
+	 * ssids - SSIDs to scan for
+	 */
+	struct wpa_driver_scan_ssid {
+		/**
+		 * ssid - specific SSID to scan for (ProbeReq)
+		 * %NULL or zero-length SSID is used to indicate active scan
+		 * with wildcard SSID.
+		 */
+		const u8 *ssid;
+		/**
+		 * ssid_len: Length of the SSID in octets
+		 */
+		size_t ssid_len;
+	} ssids[WPAS_MAX_SCAN_SSIDS];
+
+	/**
+	 * num_ssids - Number of entries in ssids array
+	 * Zero indicates a request for a passive scan.
+	 */
+	size_t num_ssids;
+
+	/**
+	 * extra_ies - Extra IE(s) to add into Probe Request or %NULL
+	 */
+	const u8 *extra_ies;
+
+	/**
+	 * extra_ies_len - Length of extra_ies in octets
+	 */
+	size_t extra_ies_len;
+
+	/**
+	 * freqs - Array of frequencies to scan or %NULL for all frequencies
+	 *
+	 * The frequency is set in MHz. The array is zero-terminated.
+	 */
+	int *freqs;
+
+	/**
+	 * filter_ssids - Filter for reporting SSIDs
+	 *
+	 * This optional parameter can be used to request the driver wrapper to
+	 * filter scan results to include only the specified SSIDs. %NULL
+	 * indicates that no filtering is to be done. This can be used to
+	 * reduce memory needs for scan results in environments that have large
+	 * number of APs with different SSIDs.
+	 *
+	 * The driver wrapper is allowed to take this allocated buffer into its
+	 * own use by setting the pointer to %NULL. In that case, the driver
+	 * wrapper is responsible for freeing the buffer with os_free() once it
+	 * is not needed anymore.
+	 */
+	struct wpa_driver_scan_filter {
+		u8 ssid[32];
+		size_t ssid_len;
+	} *filter_ssids;
+
+	/**
+	 * num_filter_ssids - Number of entries in filter_ssids array
+	 */
+	size_t num_filter_ssids;
+};
+
+/**
+ * struct wpa_driver_auth_params - Authentication parameters
+ * Data for struct wpa_driver_ops::authenticate().
+ */
+struct wpa_driver_auth_params {
+	int freq;
+	const u8 *bssid;
+	const u8 *ssid;
+	size_t ssid_len;
+	int auth_alg;
+	const u8 *ie;
+	size_t ie_len;
+	const u8 *wep_key[4];
+	size_t wep_key_len[4];
+	int wep_tx_keyidx;
+	int local_state_change;
+};
+
+enum wps_mode {
+	WPS_MODE_NONE /* no WPS provisioning being used */,
+	WPS_MODE_OPEN /* WPS provisioning with AP that is in open mode */,
+	WPS_MODE_PRIVACY /* WPS provisioning with AP that is using protection
+			  */
+};
+
+/**
+ * struct wpa_driver_associate_params - Association parameters
+ * Data for struct wpa_driver_ops::associate().
+ */
+struct wpa_driver_associate_params {
+	/**
+	 * bssid - BSSID of the selected AP
+	 * This can be %NULL, if ap_scan=2 mode is used and the driver is
+	 * responsible for selecting with which BSS to associate. */
+	const u8 *bssid;
+
+	/**
+	 * ssid - The selected SSID
+	 */
+	const u8 *ssid;
+
+	/**
+	 * ssid_len - Length of the SSID (1..32)
+	 */
+	size_t ssid_len;
+
+	/**
+	 * freq - Frequency of the channel the selected AP is using
+	 * Frequency that the selected AP is using (in MHz as
+	 * reported in the scan results)
+	 */
+	int freq;
+
+	/**
+	 * wpa_ie - WPA information element for (Re)Association Request
+	 * WPA information element to be included in (Re)Association
+	 * Request (including information element id and length). Use
+	 * of this WPA IE is optional. If the driver generates the WPA
+	 * IE, it can use pairwise_suite, group_suite, and
+	 * key_mgmt_suite to select proper algorithms. In this case,
+	 * the driver has to notify wpa_supplicant about the used WPA
+	 * IE by generating an event that the interface code will
+	 * convert into EVENT_ASSOCINFO data (see below).
+	 *
+	 * When using WPA2/IEEE 802.11i, wpa_ie is used for RSN IE
+	 * instead. The driver can determine which version is used by
+	 * looking at the first byte of the IE (0xdd for WPA, 0x30 for
+	 * WPA2/RSN).
+	 *
+	 * When using WPS, wpa_ie is used for WPS IE instead of WPA/RSN IE.
+	 */
+	const u8 *wpa_ie;
+
+	/**
+	 * wpa_ie_len - length of the wpa_ie
+	 */
+	size_t wpa_ie_len;
+
+	/**
+	 * pairwise_suite - Selected pairwise cipher suite
+	 *
+	 * This is usually ignored if @wpa_ie is used.
+	 */
+	enum wpa_cipher pairwise_suite;
+
+	/**
+	 * group_suite - Selected group cipher suite
+	 *
+	 * This is usually ignored if @wpa_ie is used.
+	 */
+	enum wpa_cipher group_suite;
+
+	/**
+	 * key_mgmt_suite - Selected key management suite
+	 *
+	 * This is usually ignored if @wpa_ie is used.
+	 */
+	enum wpa_key_mgmt key_mgmt_suite;
+
+	/**
+	 * auth_alg - Allowed authentication algorithms
+	 * Bit field of WPA_AUTH_ALG_*
+	 */
+	int auth_alg;
+
+	/**
+	 * mode - Operation mode (infra/ibss) IEEE80211_MODE_*
+	 */
+	int mode;
+
+	/**
+	 * wep_key - WEP keys for static WEP configuration
+	 */
+	const u8 *wep_key[4];
+
+	/**
+	 * wep_key_len - WEP key length for static WEP configuration
+	 */
+	size_t wep_key_len[4];
+
+	/**
+	 * wep_tx_keyidx - WEP TX key index for static WEP configuration
+	 */
+	int wep_tx_keyidx;
+
+	/**
+	 * mgmt_frame_protection - IEEE 802.11w management frame protection
+	 */
+	enum mfp_options mgmt_frame_protection;
+
+	/**
+	 * ft_ies - IEEE 802.11r / FT information elements
+	 * If the supplicant is using IEEE 802.11r (FT) and has the needed keys
+	 * for fast transition, this parameter is set to include the IEs that
+	 * are to be sent in the next FT Authentication Request message.
+	 * update_ft_ies() handler is called to update the IEs for further
+	 * FT messages in the sequence.
+	 *
+	 * The driver should use these IEs only if the target AP is advertising
+	 * the same mobility domain as the one included in the MDIE here.
+	 *
+	 * In ap_scan=2 mode, the driver can use these IEs when moving to a new
+	 * AP after the initial association. These IEs can only be used if the
+	 * target AP is advertising support for FT and is using the same MDIE
+	 * and SSID as the current AP.
+	 *
+	 * The driver is responsible for reporting the FT IEs received from the
+	 * AP's response using wpa_supplicant_event() with EVENT_FT_RESPONSE
+	 * type. update_ft_ies() handler will then be called with the FT IEs to
+	 * include in the next frame in the authentication sequence.
+	 */
+	const u8 *ft_ies;
+
+	/**
+	 * ft_ies_len - Length of ft_ies in bytes
+	 */
+	size_t ft_ies_len;
+
+	/**
+	 * ft_md - FT Mobility domain (6 octets) (also included inside ft_ies)
+	 *
+	 * This value is provided to allow the driver interface easier access
+	 * to the current mobility domain. This value is set to %NULL if no
+	 * mobility domain is currently active.
+	 */
+	const u8 *ft_md;
+
+	/**
+	 * passphrase - RSN passphrase for PSK
+	 *
+	 * This value is made available only for WPA/WPA2-Personal (PSK) and
+	 * only for drivers that set WPA_DRIVER_FLAGS_4WAY_HANDSHAKE. This is
+	 * the 8..63 character ASCII passphrase, if available. Please note that
+	 * this can be %NULL if passphrase was not used to generate the PSK. In
+	 * that case, the psk field must be used to fetch the PSK.
+	 */
+	const char *passphrase;
+
+	/**
+	 * psk - RSN PSK (alternative for passphrase for PSK)
+	 *
+	 * This value is made available only for WPA/WPA2-Personal (PSK) and
+	 * only for drivers that set WPA_DRIVER_FLAGS_4WAY_HANDSHAKE. This is
+	 * the 32-octet (256-bit) PSK, if available. The driver wrapper should
+	 * be prepared to handle %NULL value as an error.
+	 */
+	const u8 *psk;
+
+	/**
+	 * drop_unencrypted - Enable/disable unencrypted frame filtering
+	 *
+	 * Configure the driver to drop all non-EAPOL frames (both receive and
+	 * transmit paths). Unencrypted EAPOL frames (ethertype 0x888e) must
+	 * still be allowed for key negotiation.
+	 */
+	int drop_unencrypted;
+
+	/**
+	 * prev_bssid - Previously used BSSID in this ESS
+	 *
+	 * When not %NULL, this is a request to use reassociation instead of
+	 * association.
+	 */
+	const u8 *prev_bssid;
+
+	/**
+	 * wps - WPS mode
+	 *
+	 * If the driver needs to do special configuration for WPS association,
+	 * this variable provides more information on what type of association
+	 * is being requested. Most drivers should not need ot use this.
+	 */
+	enum wps_mode wps;
+
+	/**
+	 * p2p - Whether this connection is a P2P group
+	 */
+	int p2p;
+
+	/**
+	 * uapsd - UAPSD parameters for the network
+	 * -1 = do not change defaults
+	 * AP mode: 1 = enabled, 0 = disabled
+	 * STA mode: bits 0..3 UAPSD enabled for VO,VI,BK,BE
+	 */
+	int uapsd;
+};
+
+/**
+ * struct wpa_driver_capa - Driver capability information
+ */
+struct wpa_driver_capa {
+#define WPA_DRIVER_CAPA_KEY_MGMT_WPA		0x00000001
+#define WPA_DRIVER_CAPA_KEY_MGMT_WPA2		0x00000002
+#define WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK	0x00000004
+#define WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK	0x00000008
+#define WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE	0x00000010
+#define WPA_DRIVER_CAPA_KEY_MGMT_FT		0x00000020
+#define WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK		0x00000040
+	unsigned int key_mgmt;
+
+#define WPA_DRIVER_CAPA_ENC_WEP40	0x00000001
+#define WPA_DRIVER_CAPA_ENC_WEP104	0x00000002
+#define WPA_DRIVER_CAPA_ENC_TKIP	0x00000004
+#define WPA_DRIVER_CAPA_ENC_CCMP	0x00000008
+	unsigned int enc;
+
+#define WPA_DRIVER_AUTH_OPEN		0x00000001
+#define WPA_DRIVER_AUTH_SHARED		0x00000002
+#define WPA_DRIVER_AUTH_LEAP		0x00000004
+	unsigned int auth;
+
+/* Driver generated WPA/RSN IE */
+#define WPA_DRIVER_FLAGS_DRIVER_IE	0x00000001
+/* Driver needs static WEP key setup after association command */
+#define WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC 0x00000002
+#define WPA_DRIVER_FLAGS_USER_SPACE_MLME 0x00000004
+/* Driver takes care of RSN 4-way handshake internally; PMK is configured with
+ * struct wpa_driver_ops::set_key using alg = WPA_ALG_PMK */
+#define WPA_DRIVER_FLAGS_4WAY_HANDSHAKE 0x00000008
+#define WPA_DRIVER_FLAGS_WIRED		0x00000010
+/* Driver provides separate commands for authentication and association (SME in
+ * wpa_supplicant). */
+#define WPA_DRIVER_FLAGS_SME		0x00000020
+/* Driver supports AP mode */
+#define WPA_DRIVER_FLAGS_AP		0x00000040
+/* Driver needs static WEP key setup after association has been completed */
+#define WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE	0x00000080
+/* Driver takes care of P2P management operations */
+#define WPA_DRIVER_FLAGS_P2P_MGMT	0x00000100
+/* Driver supports concurrent P2P operations */
+#define WPA_DRIVER_FLAGS_P2P_CONCURRENT	0x00000200
+/*
+ * Driver uses the initial interface as a dedicated management interface, i.e.,
+ * it cannot be used for P2P group operations or non-P2P purposes.
+ */
+#define WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE	0x00000400
+/* This interface is P2P capable (P2P Device, GO, or P2P Client */
+#define WPA_DRIVER_FLAGS_P2P_CAPABLE	0x00000800
+/* Driver supports concurrent operations on multiple channels */
+#define WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT	0x00001000
+/*
+ * Driver uses the initial interface for P2P management interface and non-P2P
+ * purposes (e.g., connect to infra AP), but this interface cannot be used for
+ * P2P group operations.
+ */
+#define WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P		0x00002000
+/*
+ * Driver is known to use sane error codes, i.e., when it indicates that
+ * something (e.g., association) fails, there was indeed a failure and the
+ * operation does not end up getting completed successfully later.
+ */
+#define WPA_DRIVER_FLAGS_SANE_ERROR_CODES		0x00004000
+/* Driver supports off-channel TX */
+#define WPA_DRIVER_FLAGS_OFFCHANNEL_TX			0x00008000
+/* Driver indicates TX status events for EAPOL Data frames */
+#define WPA_DRIVER_FLAGS_EAPOL_TX_STATUS		0x00010000
+	unsigned int flags;
+
+	int max_scan_ssids;
+
+	/**
+	 * max_remain_on_chan - Maximum remain-on-channel duration in msec
+	 */
+	unsigned int max_remain_on_chan;
+
+	/**
+	 * max_stations - Maximum number of associated stations the driver
+	 * supports in AP mode
+	 */
+	unsigned int max_stations;
+};
+
+
+struct hostapd_data;
+
+struct hostap_sta_driver_data {
+	unsigned long rx_packets, tx_packets, rx_bytes, tx_bytes;
+	unsigned long current_tx_rate;
+	unsigned long inactive_msec;
+	unsigned long flags;
+	unsigned long num_ps_buf_frames;
+	unsigned long tx_retry_failed;
+	unsigned long tx_retry_count;
+	int last_rssi;
+	int last_ack_rssi;
+};
+
+struct hostapd_sta_add_params {
+	const u8 *addr;
+	u16 aid;
+	u16 capability;
+	const u8 *supp_rates;
+	size_t supp_rates_len;
+	u16 listen_interval;
+	const struct ieee80211_ht_capabilities *ht_capabilities;
+};
+
+struct hostapd_freq_params {
+	int mode;
+	int freq;
+	int channel;
+	int ht_enabled;
+	int sec_channel_offset; /* 0 = HT40 disabled, -1 = HT40 enabled,
+				 * secondary channel below primary, 1 = HT40
+				 * enabled, secondary channel above primary */
+};
+
+enum wpa_driver_if_type {
+	/**
+	 * WPA_IF_STATION - Station mode interface
+	 */
+	WPA_IF_STATION,
+
+	/**
+	 * WPA_IF_AP_VLAN - AP mode VLAN interface
+	 *
+	 * This interface shares its address and Beacon frame with the main
+	 * BSS.
+	 */
+	WPA_IF_AP_VLAN,
+
+	/**
+	 * WPA_IF_AP_BSS - AP mode BSS interface
+	 *
+	 * This interface has its own address and Beacon frame.
+	 */
+	WPA_IF_AP_BSS,
+
+	/**
+	 * WPA_IF_P2P_GO - P2P Group Owner
+	 */
+	WPA_IF_P2P_GO,
+
+	/**
+	 * WPA_IF_P2P_CLIENT - P2P Client
+	 */
+	WPA_IF_P2P_CLIENT,
+
+	/**
+	 * WPA_IF_P2P_GROUP - P2P Group interface (will become either
+	 * WPA_IF_P2P_GO or WPA_IF_P2P_CLIENT, but the role is not yet known)
+	 */
+	WPA_IF_P2P_GROUP
+};
+
+struct wpa_init_params {
+	const u8 *bssid;
+	const char *ifname;
+	const u8 *ssid;
+	size_t ssid_len;
+	const char *test_socket;
+	int use_pae_group_addr;
+	char **bridge;
+	size_t num_bridge;
+
+	u8 *own_addr; /* buffer for writing own MAC address */
+};
+
+
+struct wpa_bss_params {
+	/** Interface name (for multi-SSID/VLAN support) */
+	const char *ifname;
+	/** Whether IEEE 802.1X or WPA/WPA2 is enabled */
+	int enabled;
+
+	int wpa;
+	int ieee802_1x;
+	int wpa_group;
+	int wpa_pairwise;
+	int wpa_key_mgmt;
+	int rsn_preauth;
+	enum mfp_options ieee80211w;
+};
+
+#define WPA_STA_AUTHORIZED BIT(0)
+#define WPA_STA_WMM BIT(1)
+#define WPA_STA_SHORT_PREAMBLE BIT(2)
+#define WPA_STA_MFP BIT(3)
+
+/**
+ * struct p2p_params - P2P parameters for driver-based P2P management
+ */
+struct p2p_params {
+	const char *dev_name;
+	u8 pri_dev_type[8];
+#define DRV_MAX_SEC_DEV_TYPES 5
+	u8 sec_dev_type[DRV_MAX_SEC_DEV_TYPES][8];
+	size_t num_sec_dev_types;
+};
+
+enum tdls_oper {
+	TDLS_DISCOVERY_REQ,
+	TDLS_SETUP,
+	TDLS_TEARDOWN,
+	TDLS_ENABLE_LINK,
+	TDLS_DISABLE_LINK,
+	TDLS_ENABLE,
+	TDLS_DISABLE
+};
+
+/**
+ * struct wpa_signal_info - Information about channel signal quality
+ */
+struct wpa_signal_info {
+	u32 frequency;
+	int above_threshold;
+	int current_signal;
+	int current_noise;
+	int current_txrate;
+};
+
+/**
+ * struct wpa_driver_ops - Driver interface API definition
+ *
+ * This structure defines the API that each driver interface needs to implement
+ * for core wpa_supplicant code. All driver specific functionality is captured
+ * in this wrapper.
+ */
+struct wpa_driver_ops {
+	/** Name of the driver interface */
+	const char *name;
+	/** One line description of the driver interface */
+	const char *desc;
+
+	/**
+	 * get_bssid - Get the current BSSID
+	 * @priv: private driver interface data
+	 * @bssid: buffer for BSSID (ETH_ALEN = 6 bytes)
+	 *
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * Query kernel driver for the current BSSID and copy it to bssid.
+	 * Setting bssid to 00:00:00:00:00:00 is recommended if the STA is not
+	 * associated.
+	 */
+	int (*get_bssid)(void *priv, u8 *bssid);
+
+	/**
+	 * get_ssid - Get the current SSID
+	 * @priv: private driver interface data
+	 * @ssid: buffer for SSID (at least 32 bytes)
+	 *
+	 * Returns: Length of the SSID on success, -1 on failure
+	 *
+	 * Query kernel driver for the current SSID and copy it to ssid.
+	 * Returning zero is recommended if the STA is not associated.
+	 *
+	 * Note: SSID is an array of octets, i.e., it is not nul terminated and
+	 * can, at least in theory, contain control characters (including nul)
+	 * and as such, should be processed as binary data, not a printable
+	 * string.
+	 */
+	int (*get_ssid)(void *priv, u8 *ssid);
+
+	/**
+	 * set_key - Configure encryption key
+	 * @ifname: Interface name (for multi-SSID/VLAN support)
+	 * @priv: private driver interface data
+	 * @alg: encryption algorithm (%WPA_ALG_NONE, %WPA_ALG_WEP,
+	 *	%WPA_ALG_TKIP, %WPA_ALG_CCMP, %WPA_ALG_IGTK, %WPA_ALG_PMK);
+	 *	%WPA_ALG_NONE clears the key.
+	 * @addr: Address of the peer STA (BSSID of the current AP when setting
+	 *	pairwise key in station mode), ff:ff:ff:ff:ff:ff for
+	 *	broadcast keys, %NULL for default keys that are used both for
+	 *	broadcast and unicast; when clearing keys, %NULL is used to
+	 *	indicate that both the broadcast-only and default key of the
+	 *	specified key index is to be cleared
+	 * @key_idx: key index (0..3), usually 0 for unicast keys; 0..4095 for
+	 *	IGTK
+	 * @set_tx: configure this key as the default Tx key (only used when
+	 *	driver does not support separate unicast/individual key
+	 * @seq: sequence number/packet number, seq_len octets, the next
+	 *	packet number to be used for in replay protection; configured
+	 *	for Rx keys (in most cases, this is only used with broadcast
+	 *	keys and set to zero for unicast keys); %NULL if not set
+	 * @seq_len: length of the seq, depends on the algorithm:
+	 *	TKIP: 6 octets, CCMP: 6 octets, IGTK: 6 octets
+	 * @key: key buffer; TKIP: 16-byte temporal key, 8-byte Tx Mic key,
+	 *	8-byte Rx Mic Key
+	 * @key_len: length of the key buffer in octets (WEP: 5 or 13,
+	 *	TKIP: 32, CCMP: 16, IGTK: 16)
+	 *
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * Configure the given key for the kernel driver. If the driver
+	 * supports separate individual keys (4 default keys + 1 individual),
+	 * addr can be used to determine whether the key is default or
+	 * individual. If only 4 keys are supported, the default key with key
+	 * index 0 is used as the individual key. STA must be configured to use
+	 * it as the default Tx key (set_tx is set) and accept Rx for all the
+	 * key indexes. In most cases, WPA uses only key indexes 1 and 2 for
+	 * broadcast keys, so key index 0 is available for this kind of
+	 * configuration.
+	 *
+	 * Please note that TKIP keys include separate TX and RX MIC keys and
+	 * some drivers may expect them in different order than wpa_supplicant
+	 * is using. If the TX/RX keys are swapped, all TKIP encrypted packets
+	 * will trigger Michael MIC errors. This can be fixed by changing the
+	 * order of MIC keys by swapping te bytes 16..23 and 24..31 of the key
+	 * in driver_*.c set_key() implementation, see driver_ndis.c for an
+	 * example on how this can be done.
+	 */
+	int (*set_key)(const char *ifname, void *priv, enum wpa_alg alg,
+		       const u8 *addr, int key_idx, int set_tx,
+		       const u8 *seq, size_t seq_len,
+		       const u8 *key, size_t key_len);
+
+	/**
+	 * init - Initialize driver interface
+	 * @ctx: context to be used when calling wpa_supplicant functions,
+	 * e.g., wpa_supplicant_event()
+	 * @ifname: interface name, e.g., wlan0
+	 *
+	 * Returns: Pointer to private data, %NULL on failure
+	 *
+	 * Initialize driver interface, including event processing for kernel
+	 * driver events (e.g., associated, scan results, Michael MIC failure).
+	 * This function can allocate a private configuration data area for
+	 * @ctx, file descriptor, interface name, etc. information that may be
+	 * needed in future driver operations. If this is not used, non-NULL
+	 * value will need to be returned because %NULL is used to indicate
+	 * failure. The returned value will be used as 'void *priv' data for
+	 * all other driver_ops functions.
+	 *
+	 * The main event loop (eloop.c) of wpa_supplicant can be used to
+	 * register callback for read sockets (eloop_register_read_sock()).
+	 *
+	 * See below for more information about events and
+	 * wpa_supplicant_event() function.
+	 */
+	void * (*init)(void *ctx, const char *ifname);
+
+	/**
+	 * deinit - Deinitialize driver interface
+	 * @priv: private driver interface data from init()
+	 *
+	 * Shut down driver interface and processing of driver events. Free
+	 * private data buffer if one was allocated in init() handler.
+	 */
+	void (*deinit)(void *priv);
+
+	/**
+	 * set_param - Set driver configuration parameters
+	 * @priv: private driver interface data from init()
+	 * @param: driver specific configuration parameters
+	 *
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * Optional handler for notifying driver interface about configuration
+	 * parameters (driver_param).
+	 */
+	int (*set_param)(void *priv, const char *param);
+
+	/**
+	 * set_countermeasures - Enable/disable TKIP countermeasures
+	 * @priv: private driver interface data
+	 * @enabled: 1 = countermeasures enabled, 0 = disabled
+	 *
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * Configure TKIP countermeasures. When these are enabled, the driver
+	 * should drop all received and queued frames that are using TKIP.
+	 */
+	int (*set_countermeasures)(void *priv, int enabled);
+
+	/**
+	 * deauthenticate - Request driver to deauthenticate
+	 * @priv: private driver interface data
+	 * @addr: peer address (BSSID of the AP)
+	 * @reason_code: 16-bit reason code to be sent in the deauthentication
+	 *	frame
+	 *
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*deauthenticate)(void *priv, const u8 *addr, int reason_code);
+
+	/**
+	 * disassociate - Request driver to disassociate
+	 * @priv: private driver interface data
+	 * @addr: peer address (BSSID of the AP)
+	 * @reason_code: 16-bit reason code to be sent in the disassociation
+	 *	frame
+	 *
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*disassociate)(void *priv, const u8 *addr, int reason_code);
+
+	/**
+	 * associate - Request driver to associate
+	 * @priv: private driver interface data
+	 * @params: association parameters
+	 *
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*associate)(void *priv,
+			 struct wpa_driver_associate_params *params);
+
+	/**
+	 * add_pmkid - Add PMKSA cache entry to the driver
+	 * @priv: private driver interface data
+	 * @bssid: BSSID for the PMKSA cache entry
+	 * @pmkid: PMKID for the PMKSA cache entry
+	 *
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is called when a new PMK is received, as a result of
+	 * either normal authentication or RSN pre-authentication.
+	 *
+	 * If the driver generates RSN IE, i.e., it does not use wpa_ie in
+	 * associate(), add_pmkid() can be used to add new PMKSA cache entries
+	 * in the driver. If the driver uses wpa_ie from wpa_supplicant, this
+	 * driver_ops function does not need to be implemented. Likewise, if
+	 * the driver does not support WPA, this function is not needed.
+	 */
+	int (*add_pmkid)(void *priv, const u8 *bssid, const u8 *pmkid);
+
+	/**
+	 * remove_pmkid - Remove PMKSA cache entry to the driver
+	 * @priv: private driver interface data
+	 * @bssid: BSSID for the PMKSA cache entry
+	 * @pmkid: PMKID for the PMKSA cache entry
+	 *
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is called when the supplicant drops a PMKSA cache
+	 * entry for any reason.
+	 *
+	 * If the driver generates RSN IE, i.e., it does not use wpa_ie in
+	 * associate(), remove_pmkid() can be used to synchronize PMKSA caches
+	 * between the driver and wpa_supplicant. If the driver uses wpa_ie
+	 * from wpa_supplicant, this driver_ops function does not need to be
+	 * implemented. Likewise, if the driver does not support WPA, this
+	 * function is not needed.
+	 */
+	int (*remove_pmkid)(void *priv, const u8 *bssid, const u8 *pmkid);
+
+	/**
+	 * flush_pmkid - Flush PMKSA cache
+	 * @priv: private driver interface data
+	 *
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is called when the supplicant drops all PMKSA cache
+	 * entries for any reason.
+	 *
+	 * If the driver generates RSN IE, i.e., it does not use wpa_ie in
+	 * associate(), remove_pmkid() can be used to synchronize PMKSA caches
+	 * between the driver and wpa_supplicant. If the driver uses wpa_ie
+	 * from wpa_supplicant, this driver_ops function does not need to be
+	 * implemented. Likewise, if the driver does not support WPA, this
+	 * function is not needed.
+	 */
+	int (*flush_pmkid)(void *priv);
+
+	/**
+	 * get_capa - Get driver capabilities
+	 * @priv: private driver interface data
+	 *
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * Get driver/firmware/hardware capabilities.
+	 */
+	int (*get_capa)(void *priv, struct wpa_driver_capa *capa);
+
+	/**
+	 * poll - Poll driver for association information
+	 * @priv: private driver interface data
+	 *
+	 * This is an option callback that can be used when the driver does not
+	 * provide event mechanism for association events. This is called when
+	 * receiving WPA EAPOL-Key messages that require association
+	 * information. The driver interface is supposed to generate associnfo
+	 * event before returning from this callback function. In addition, the
+	 * driver interface should generate an association event after having
+	 * sent out associnfo.
+	 */
+	void (*poll)(void *priv);
+
+	/**
+	 * get_ifname - Get interface name
+	 * @priv: private driver interface data
+	 *
+	 * Returns: Pointer to the interface name. This can differ from the
+	 * interface name used in init() call. Init() is called first.
+	 *
+	 * This optional function can be used to allow the driver interface to
+	 * replace the interface name with something else, e.g., based on an
+	 * interface mapping from a more descriptive name.
+	 */
+	const char * (*get_ifname)(void *priv);
+
+	/**
+	 * get_mac_addr - Get own MAC address
+	 * @priv: private driver interface data
+	 *
+	 * Returns: Pointer to own MAC address or %NULL on failure
+	 *
+	 * This optional function can be used to get the own MAC address of the
+	 * device from the driver interface code. This is only needed if the
+	 * l2_packet implementation for the OS does not provide easy access to
+	 * a MAC address. */
+	const u8 * (*get_mac_addr)(void *priv);
+
+	/**
+	 * send_eapol - Optional function for sending EAPOL packets
+	 * @priv: private driver interface data
+	 * @dest: Destination MAC address
+	 * @proto: Ethertype
+	 * @data: EAPOL packet starting with IEEE 802.1X header
+	 * @data_len: Size of the EAPOL packet
+	 *
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This optional function can be used to override l2_packet operations
+	 * with driver specific functionality. If this function pointer is set,
+	 * l2_packet module is not used at all and the driver interface code is
+	 * responsible for receiving and sending all EAPOL packets. The
+	 * received EAPOL packets are sent to core code with EVENT_EAPOL_RX
+	 * event. The driver interface is required to implement get_mac_addr()
+	 * handler if send_eapol() is used.
+	 */
+	int (*send_eapol)(void *priv, const u8 *dest, u16 proto,
+			  const u8 *data, size_t data_len);
+
+	/**
+	 * set_operstate - Sets device operating state to DORMANT or UP
+	 * @priv: private driver interface data
+	 * @state: 0 = dormant, 1 = up
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This is an optional function that can be used on operating systems
+	 * that support a concept of controlling network device state from user
+	 * space applications. This function, if set, gets called with
+	 * state = 1 when authentication has been completed and with state = 0
+	 * when connection is lost.
+	 */
+	int (*set_operstate)(void *priv, int state);
+
+	/**
+	 * mlme_setprotection - MLME-SETPROTECTION.request primitive
+	 * @priv: Private driver interface data
+	 * @addr: Address of the station for which to set protection (may be
+	 * %NULL for group keys)
+	 * @protect_type: MLME_SETPROTECTION_PROTECT_TYPE_*
+	 * @key_type: MLME_SETPROTECTION_KEY_TYPE_*
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This is an optional function that can be used to set the driver to
+	 * require protection for Tx and/or Rx frames. This uses the layer
+	 * interface defined in IEEE 802.11i-2004 clause 10.3.22.1
+	 * (MLME-SETPROTECTION.request). Many drivers do not use explicit
+	 * set protection operation; instead, they set protection implicitly
+	 * based on configured keys.
+	 */
+	int (*mlme_setprotection)(void *priv, const u8 *addr, int protect_type,
+				  int key_type);
+
+	/**
+	 * get_hw_feature_data - Get hardware support data (channels and rates)
+	 * @priv: Private driver interface data
+	 * @num_modes: Variable for returning the number of returned modes
+	 * flags: Variable for returning hardware feature flags
+	 * Returns: Pointer to allocated hardware data on success or %NULL on
+	 * failure. Caller is responsible for freeing this.
+	 *
+	 * This function is only needed for drivers that export MLME
+	 * (management frame processing) to %wpa_supplicant or hostapd.
+	 */
+	struct hostapd_hw_modes * (*get_hw_feature_data)(void *priv,
+							 u16 *num_modes,
+							 u16 *flags);
+
+	/**
+	 * set_channel - Set channel
+	 * @priv: Private driver interface data
+	 * @phymode: HOSTAPD_MODE_IEEE80211B, ..
+	 * @chan: IEEE 802.11 channel number
+	 * @freq: Frequency of the channel in MHz
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is only needed for drivers that export MLME
+	 * (management frame processing) to wpa_supplicant.
+	 */
+	int (*set_channel)(void *priv, enum hostapd_hw_mode phymode, int chan,
+			   int freq);
+
+	/**
+	 * set_ssid - Set SSID
+	 * @priv: Private driver interface data
+	 * @ssid: SSID
+	 * @ssid_len: SSID length
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is only needed for drivers that export MLME
+	 * (management frame processing) to wpa_supplicant.
+	 */
+	int (*set_ssid)(void *priv, const u8 *ssid, size_t ssid_len);
+
+	/**
+	 * set_bssid - Set BSSID
+	 * @priv: Private driver interface data
+	 * @bssid: BSSID
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is only needed for drivers that export MLME
+	 * (management frame processing) to wpa_supplicant.
+	 */
+	int (*set_bssid)(void *priv, const u8 *bssid);
+
+	/**
+	 * send_mlme - Send management frame from MLME
+	 * @priv: Private driver interface data
+	 * @data: IEEE 802.11 management frame with IEEE 802.11 header
+	 * @data_len: Size of the management frame
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is only needed for drivers that export MLME
+	 * (management frame processing) to wpa_supplicant.
+	 */
+	int (*send_mlme)(void *priv, const u8 *data, size_t data_len);
+
+	/**
+	 * mlme_add_sta - Add a STA entry into the driver/netstack
+	 * @priv: Private driver interface data
+	 * @addr: MAC address of the STA (e.g., BSSID of the AP)
+	 * @supp_rates: Supported rate set (from (Re)AssocResp); in IEEE 802.11
+	 * format (one octet per rate, 1 = 0.5 Mbps)
+	 * @supp_rates_len: Number of entries in supp_rates
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is only needed for drivers that export MLME
+	 * (management frame processing) to wpa_supplicant. When the MLME code
+	 * completes association with an AP, this function is called to
+	 * configure the driver/netstack with a STA entry for data frame
+	 * processing (TX rate control, encryption/decryption).
+	 */
+	int (*mlme_add_sta)(void *priv, const u8 *addr, const u8 *supp_rates,
+			    size_t supp_rates_len);
+
+	/**
+	 * mlme_remove_sta - Remove a STA entry from the driver/netstack
+	 * @priv: Private driver interface data
+	 * @addr: MAC address of the STA (e.g., BSSID of the AP)
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is only needed for drivers that export MLME
+	 * (management frame processing) to wpa_supplicant.
+	 */
+	int (*mlme_remove_sta)(void *priv, const u8 *addr);
+
+	/**
+	 * update_ft_ies - Update FT (IEEE 802.11r) IEs
+	 * @priv: Private driver interface data
+	 * @md: Mobility domain (2 octets) (also included inside ies)
+	 * @ies: FT IEs (MDIE, FTIE, ...) or %NULL to remove IEs
+	 * @ies_len: Length of FT IEs in bytes
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * The supplicant uses this callback to let the driver know that keying
+	 * material for FT is available and that the driver can use the
+	 * provided IEs in the next message in FT authentication sequence.
+	 *
+	 * This function is only needed for driver that support IEEE 802.11r
+	 * (Fast BSS Transition).
+	 */
+	int (*update_ft_ies)(void *priv, const u8 *md, const u8 *ies,
+			     size_t ies_len);
+
+	/**
+	 * send_ft_action - Send FT Action frame (IEEE 802.11r)
+	 * @priv: Private driver interface data
+	 * @action: Action field value
+	 * @target_ap: Target AP address
+	 * @ies: FT IEs (MDIE, FTIE, ...) (FT Request action frame body)
+	 * @ies_len: Length of FT IEs in bytes
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * The supplicant uses this callback to request the driver to transmit
+	 * an FT Action frame (action category 6) for over-the-DS fast BSS
+	 * transition.
+	 */
+	int (*send_ft_action)(void *priv, u8 action, const u8 *target_ap,
+			      const u8 *ies, size_t ies_len);
+
+	/**
+	 * get_scan_results2 - Fetch the latest scan results
+	 * @priv: private driver interface data
+	 *
+	 * Returns: Allocated buffer of scan results (caller is responsible for
+	 * freeing the data structure) on success, NULL on failure
+	 */
+	 struct wpa_scan_results * (*get_scan_results2)(void *priv);
+
+	/**
+	 * set_country - Set country
+	 * @priv: Private driver interface data
+	 * @alpha2: country to which to switch to
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is for drivers which support some form
+	 * of setting a regulatory domain.
+	 */
+	int (*set_country)(void *priv, const char *alpha2);
+
+	/**
+	 * global_init - Global driver initialization
+	 * Returns: Pointer to private data (global), %NULL on failure
+	 *
+	 * This optional function is called to initialize the driver wrapper
+	 * for global data, i.e., data that applies to all interfaces. If this
+	 * function is implemented, global_deinit() will also need to be
+	 * implemented to free the private data. The driver will also likely
+	 * use init2() function instead of init() to get the pointer to global
+	 * data available to per-interface initializer.
+	 */
+	void * (*global_init)(void);
+
+	/**
+	 * global_deinit - Global driver deinitialization
+	 * @priv: private driver global data from global_init()
+	 *
+	 * Terminate any global driver related functionality and free the
+	 * global data structure.
+	 */
+	void (*global_deinit)(void *priv);
+
+	/**
+	 * init2 - Initialize driver interface (with global data)
+	 * @ctx: context to be used when calling wpa_supplicant functions,
+	 * e.g., wpa_supplicant_event()
+	 * @ifname: interface name, e.g., wlan0
+	 * @global_priv: private driver global data from global_init()
+	 * Returns: Pointer to private data, %NULL on failure
+	 *
+	 * This function can be used instead of init() if the driver wrapper
+	 * uses global data.
+	 */
+	void * (*init2)(void *ctx, const char *ifname, void *global_priv);
+
+	/**
+	 * get_interfaces - Get information about available interfaces
+	 * @global_priv: private driver global data from global_init()
+	 * Returns: Allocated buffer of interface information (caller is
+	 * responsible for freeing the data structure) on success, NULL on
+	 * failure
+	 */
+	struct wpa_interface_info * (*get_interfaces)(void *global_priv);
+
+	/**
+	 * scan2 - Request the driver to initiate scan
+	 * @priv: private driver interface data
+	 * @params: Scan parameters
+	 *
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * Once the scan results are ready, the driver should report scan
+	 * results event for wpa_supplicant which will eventually request the
+	 * results with wpa_driver_get_scan_results2().
+	 */
+	int (*scan2)(void *priv, struct wpa_driver_scan_params *params);
+
+	/**
+	 * authenticate - Request driver to authenticate
+	 * @priv: private driver interface data
+	 * @params: authentication parameters
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This is an optional function that can be used with drivers that
+	 * support separate authentication and association steps, i.e., when
+	 * wpa_supplicant can act as the SME. If not implemented, associate()
+	 * function is expected to take care of IEEE 802.11 authentication,
+	 * too.
+	 */
+	int (*authenticate)(void *priv,
+			    struct wpa_driver_auth_params *params);
+
+	/**
+	 * set_beacon - Set Beacon frame template
+	 * @priv: Private driver interface data
+	 * @head: Beacon head from IEEE 802.11 header to IEs before TIM IE
+	 * @head_len: Length of the head buffer in octets
+	 * @tail: Beacon tail following TIM IE
+	 * @tail_len: Length of the tail buffer in octets
+	 * @dtim_period: DTIM period
+	 * @beacon_int: Beacon interval
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is used to configure Beacon template for the driver in
+	 * AP mode. The driver is responsible for building the full Beacon
+	 * frame by concatenating the head part with TIM IE generated by the
+	 * driver/firmware and finishing with the tail part.
+	 */
+	int (*set_beacon)(void *priv, const u8 *head, size_t head_len,
+			  const u8 *tail, size_t tail_len, int dtim_period,
+			  int beacon_int);
+
+	/**
+	 * hapd_init - Initialize driver interface (hostapd only)
+	 * @hapd: Pointer to hostapd context
+	 * @params: Configuration for the driver wrapper
+	 * Returns: Pointer to private data, %NULL on failure
+	 *
+	 * This function is used instead of init() or init2() when the driver
+	 * wrapper is used withh hostapd.
+	 */
+	void * (*hapd_init)(struct hostapd_data *hapd,
+			    struct wpa_init_params *params);
+
+	/**
+	 * hapd_deinit - Deinitialize driver interface (hostapd only)
+	 * @priv: Private driver interface data from hapd_init()
+	 */
+	void (*hapd_deinit)(void *priv);
+
+	/**
+	 * set_ieee8021x - Enable/disable IEEE 802.1X support (AP only)
+	 * @priv: Private driver interface data
+	 * @params: BSS parameters
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This is an optional function to configure the kernel driver to
+	 * enable/disable IEEE 802.1X support and set WPA/WPA2 parameters. This
+	 * can be left undefined (set to %NULL) if IEEE 802.1X support is
+	 * always enabled and the driver uses set_beacon() to set WPA/RSN IE
+	 * for Beacon frames.
+	 */
+	int (*set_ieee8021x)(void *priv, struct wpa_bss_params *params);
+
+	/**
+	 * set_privacy - Enable/disable privacy (AP only)
+	 * @priv: Private driver interface data
+	 * @enabled: 1 = privacy enabled, 0 = disabled
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This is an optional function to configure privacy field in the
+	 * kernel driver for Beacon frames. This can be left undefined (set to
+	 * %NULL) if the driver uses the Beacon template from set_beacon().
+	 */
+	int (*set_privacy)(void *priv, int enabled);
+
+	/**
+	 * get_seqnum - Fetch the current TSC/packet number (AP only)
+	 * @ifname: The interface name (main or virtual)
+	 * @priv: Private driver interface data
+	 * @addr: MAC address of the station or %NULL for group keys
+	 * @idx: Key index
+	 * @seq: Buffer for returning the latest used TSC/packet number
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is used to fetch the last used TSC/packet number for
+	 * a TKIP, CCMP, or BIP/IGTK key. It is mainly used with group keys, so
+	 * there is no strict requirement on implementing support for unicast
+	 * keys (i.e., addr != %NULL).
+	 */
+	int (*get_seqnum)(const char *ifname, void *priv, const u8 *addr,
+			  int idx, u8 *seq);
+
+	/**
+	 * flush - Flush all association stations (AP only)
+	 * @priv: Private driver interface data
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function requests the driver to disassociate all associated
+	 * stations. This function does not need to be implemented if the
+	 * driver does not process association frames internally.
+	 */
+	int (*flush)(void *priv);
+
+	/**
+	 * set_generic_elem - Add IEs into Beacon/Probe Response frames (AP)
+	 * @priv: Private driver interface data
+	 * @elem: Information elements
+	 * @elem_len: Length of the elem buffer in octets
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This is an optional function to add information elements in the
+	 * kernel driver for Beacon and Probe Response frames. This can be left
+	 * undefined (set to %NULL) if the driver uses the Beacon template from
+	 * set_beacon().
+	 */
+	int (*set_generic_elem)(void *priv, const u8 *elem, size_t elem_len);
+
+	/**
+	 * read_sta_data - Fetch station data (AP only)
+	 * @priv: Private driver interface data
+	 * @data: Buffer for returning station information
+	 * @addr: MAC address of the station
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*read_sta_data)(void *priv, struct hostap_sta_driver_data *data,
+			     const u8 *addr);
+
+	/**
+	 * hapd_send_eapol - Send an EAPOL packet (AP only)
+	 * @priv: private driver interface data
+	 * @addr: Destination MAC address
+	 * @data: EAPOL packet starting with IEEE 802.1X header
+	 * @data_len: Length of the EAPOL packet in octets
+	 * @encrypt: Whether the frame should be encrypted
+	 * @own_addr: Source MAC address
+	 * @flags: WPA_STA_* flags for the destination station
+	 *
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*hapd_send_eapol)(void *priv, const u8 *addr, const u8 *data,
+			       size_t data_len, int encrypt,
+			       const u8 *own_addr, u32 flags);
+
+	/**
+	 * sta_deauth - Deauthenticate a station (AP only)
+	 * @priv: Private driver interface data
+	 * @own_addr: Source address and BSSID for the Deauthentication frame
+	 * @addr: MAC address of the station to deauthenticate
+	 * @reason: Reason code for the Deauthentiation frame
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function requests a specific station to be deauthenticated and
+	 * a Deauthentication frame to be sent to it.
+	 */
+	int (*sta_deauth)(void *priv, const u8 *own_addr, const u8 *addr,
+			  int reason);
+
+	/**
+	 * sta_disassoc - Disassociate a station (AP only)
+	 * @priv: Private driver interface data
+	 * @own_addr: Source address and BSSID for the Disassociation frame
+	 * @addr: MAC address of the station to disassociate
+	 * @reason: Reason code for the Disassociation frame
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function requests a specific station to be disassociated and
+	 * a Disassociation frame to be sent to it.
+	 */
+	int (*sta_disassoc)(void *priv, const u8 *own_addr, const u8 *addr,
+			    int reason);
+
+	/**
+	 * sta_remove - Remove a station entry (AP only)
+	 * @priv: Private driver interface data
+	 * @addr: MAC address of the station to be removed
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*sta_remove)(void *priv, const u8 *addr);
+
+	/**
+	 * hapd_get_ssid - Get the current SSID (AP only)
+	 * @priv: Private driver interface data
+	 * @buf: Buffer for returning the SSID
+	 * @len: Maximum length of the buffer
+	 * Returns: Length of the SSID on success, -1 on failure
+	 *
+	 * This function need not be implemented if the driver uses Beacon
+	 * template from set_beacon() and does not reply to Probe Request
+	 * frames.
+	 */
+	int (*hapd_get_ssid)(void *priv, u8 *buf, int len);
+
+	/**
+	 * hapd_set_ssid - Set SSID (AP only)
+	 * @priv: Private driver interface data
+	 * @buf: SSID
+	 * @len: Length of the SSID in octets
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*hapd_set_ssid)(void *priv, const u8 *buf, int len);
+
+	/**
+	 * hapd_set_countermeasures - Enable/disable TKIP countermeasures (AP)
+	 * @priv: Private driver interface data
+	 * @enabled: 1 = countermeasures enabled, 0 = disabled
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This need not be implemented if the driver does not take care of
+	 * association processing.
+	 */
+	int (*hapd_set_countermeasures)(void *priv, int enabled);
+
+	/**
+	 * sta_add - Add a station entry
+	 * @priv: Private driver interface data
+	 * @params: Station parameters
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is used to add a station entry to the driver once the
+	 * station has completed association. This is only used if the driver
+	 * does not take care of association processing.
+	 */
+	int (*sta_add)(void *priv, struct hostapd_sta_add_params *params);
+
+	/**
+	 * get_inact_sec - Get station inactivity duration (AP only)
+	 * @priv: Private driver interface data
+	 * @addr: Station address
+	 * Returns: Number of seconds station has been inactive, -1 on failure
+	 */
+	int (*get_inact_sec)(void *priv, const u8 *addr);
+
+	/**
+	 * sta_clear_stats - Clear station statistics (AP only)
+	 * @priv: Private driver interface data
+	 * @addr: Station address
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*sta_clear_stats)(void *priv, const u8 *addr);
+
+	/**
+	 * set_freq - Set channel/frequency (AP only)
+	 * @priv: Private driver interface data
+	 * @freq: Channel parameters
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*set_freq)(void *priv, struct hostapd_freq_params *freq);
+
+	/**
+	 * set_rts - Set RTS threshold
+	 * @priv: Private driver interface data
+	 * @rts: RTS threshold in octets
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*set_rts)(void *priv, int rts);
+
+	/**
+	 * set_frag - Set fragmentation threshold
+	 * @priv: Private driver interface data
+	 * @frag: Fragmentation threshold in octets
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*set_frag)(void *priv, int frag);
+
+	/**
+	 * sta_set_flags - Set station flags (AP only)
+	 * @priv: Private driver interface data
+	 * @addr: Station address
+	 * @total_flags: Bitmap of all WPA_STA_* flags currently set
+	 * @flags_or: Bitmap of WPA_STA_* flags to add
+	 * @flags_and: Bitmap of WPA_STA_* flags to us as a mask
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*sta_set_flags)(void *priv, const u8 *addr,
+			     int total_flags, int flags_or, int flags_and);
+
+	/**
+	 * set_rate_sets - Set supported and basic rate sets (AP only)
+	 * @priv: Private driver interface data
+	 * @supp_rates: -1 terminated array of supported rates in 100 kbps
+	 * @basic_rates: -1 terminated array of basic rates in 100 kbps
+	 * @mode: hardware mode (HOSTAPD_MODE_*)
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*set_rate_sets)(void *priv, int *supp_rates, int *basic_rates,
+			     int mode);
+
+	/**
+	 * set_cts_protect - Set CTS protection mode (AP only)
+	 * @priv: Private driver interface data
+	 * @value: Whether CTS protection is enabled
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*set_cts_protect)(void *priv, int value);
+
+	/**
+	 * set_preamble - Set preamble mode (AP only)
+	 * @priv: Private driver interface data
+	 * @value: Whether short preamble is enabled
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*set_preamble)(void *priv, int value);
+
+	/**
+	 * set_short_slot_time - Set short slot time (AP only)
+	 * @priv: Private driver interface data
+	 * @value: Whether short slot time is enabled
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*set_short_slot_time)(void *priv, int value);
+
+	/**
+	 * set_tx_queue_params - Set TX queue parameters
+	 * @priv: Private driver interface data
+	 * @queue: Queue number (0 = VO, 1 = VI, 2 = BE, 3 = BK)
+	 * @aifs: AIFS
+	 * @cw_min: cwMin
+	 * @cw_max: cwMax
+	 * @burst_time: Maximum length for bursting in 0.1 msec units
+	 */
+	int (*set_tx_queue_params)(void *priv, int queue, int aifs, int cw_min,
+				   int cw_max, int burst_time);
+
+	/**
+	 * valid_bss_mask - Validate BSSID mask
+	 * @priv: Private driver interface data
+	 * @addr: Address
+	 * @mask: Mask
+	 * Returns: 0 if mask is valid, -1 if mask is not valid, 1 if mask can
+	 * be used, but the main interface address must be the first address in
+	 * the block if mask is applied
+	 */
+	int (*valid_bss_mask)(void *priv, const u8 *addr, const u8 *mask);
+
+	/**
+	 * if_add - Add a virtual interface
+	 * @priv: Private driver interface data
+	 * @type: Interface type
+	 * @ifname: Interface name for the new virtual interface
+	 * @addr: Local address to use for the interface or %NULL to use the
+	 *	parent interface address
+	 * @bss_ctx: BSS context for %WPA_IF_AP_BSS interfaces
+	 * @drv_priv: Pointer for overwriting the driver context or %NULL if
+	 *	not allowed (applies only to %WPA_IF_AP_BSS type)
+	 * @force_ifname: Buffer for returning an interface name that the
+	 *	driver ended up using if it differs from the requested ifname
+	 * @if_addr: Buffer for returning the allocated interface address
+	 *	(this may differ from the requested addr if the driver cannot
+	 *	change interface address)
+	 * @bridge: Bridge interface to use or %NULL if no bridge configured
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*if_add)(void *priv, enum wpa_driver_if_type type,
+		      const char *ifname, const u8 *addr, void *bss_ctx,
+		      void **drv_priv, char *force_ifname, u8 *if_addr,
+		      const char *bridge);
+
+	/**
+	 * if_remove - Remove a virtual interface
+	 * @priv: Private driver interface data
+	 * @type: Interface type
+	 * @ifname: Interface name of the virtual interface to be removed
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*if_remove)(void *priv, enum wpa_driver_if_type type,
+			 const char *ifname);
+
+	/**
+	 * set_sta_vlan - Bind a station into a specific interface (AP only)
+	 * @priv: Private driver interface data
+	 * @ifname: Interface (main or virtual BSS or VLAN)
+	 * @addr: MAC address of the associated station
+	 * @vlan_id: VLAN ID
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is used to bind a station to a specific virtual
+	 * interface. It is only used if when virtual interfaces are supported,
+	 * e.g., to assign stations to different VLAN interfaces based on
+	 * information from a RADIUS server. This allows separate broadcast
+	 * domains to be used with a single BSS.
+	 */
+	int (*set_sta_vlan)(void *priv, const u8 *addr, const char *ifname,
+			    int vlan_id);
+
+	/**
+	 * commit - Optional commit changes handler (AP only)
+	 * @priv: driver private data
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This optional handler function can be registered if the driver
+	 * interface implementation needs to commit changes (e.g., by setting
+	 * network interface up) at the end of initial configuration. If set,
+	 * this handler will be called after initial setup has been completed.
+	 */
+	int (*commit)(void *priv);
+
+	/**
+	 * send_ether - Send an ethernet packet (AP only)
+	 * @priv: private driver interface data
+	 * @dst: Destination MAC address
+	 * @src: Source MAC address
+	 * @proto: Ethertype
+	 * @data: EAPOL packet starting with IEEE 802.1X header
+	 * @data_len: Length of the EAPOL packet in octets
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*send_ether)(void *priv, const u8 *dst, const u8 *src, u16 proto,
+			  const u8 *data, size_t data_len);
+
+	/**
+	 * set_radius_acl_auth - Notification of RADIUS ACL change
+	 * @priv: Private driver interface data
+	 * @mac: MAC address of the station
+	 * @accepted: Whether the station was accepted
+	 * @session_timeout: Session timeout for the station
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*set_radius_acl_auth)(void *priv, const u8 *mac, int accepted, 
+				   u32 session_timeout);
+
+	/**
+	 * set_radius_acl_expire - Notification of RADIUS ACL expiration
+	 * @priv: Private driver interface data
+	 * @mac: MAC address of the station
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*set_radius_acl_expire)(void *priv, const u8 *mac);
+
+	/**
+	 * set_ht_params - Set HT parameters (AP only)
+	 * @priv: Private driver interface data
+	 * @ht_capab: HT Capabilities IE
+	 * @ht_capab_len: Length of ht_capab in octets
+	 * @ht_oper: HT Operation IE
+	 * @ht_oper_len: Length of ht_oper in octets
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*set_ht_params)(void *priv,
+			     const u8 *ht_capab, size_t ht_capab_len,
+			     const u8 *ht_oper, size_t ht_oper_len);
+
+	/**
+	 * set_ap_wps_ie - Add WPS IE(s) into Beacon/Probe Response frames (AP)
+	 * @priv: Private driver interface data
+	 * @beacon: WPS IE(s) for Beacon frames or %NULL to remove extra IE(s)
+	 * @proberesp: WPS IE(s) for Probe Response frames or %NULL to remove
+	 *	extra IE(s)
+	 * @assocresp: WPS IE(s) for (Re)Association Response frames or %NULL
+	 *	to remove extra IE(s)
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This is an optional function to add WPS IE in the kernel driver for
+	 * Beacon and Probe Response frames. This can be left undefined (set
+	 * to %NULL) if the driver uses the Beacon template from set_beacon()
+	 * and does not process Probe Request frames. If the driver takes care
+	 * of (Re)Association frame processing, the assocresp buffer includes
+	 * WPS IE(s) that need to be added to (Re)Association Response frames
+	 * whenever a (Re)Association Request frame indicated use of WPS.
+	 *
+	 * This will also be used to add P2P IE(s) into Beacon/Probe Response
+	 * frames when operating as a GO. The driver is responsible for adding
+	 * timing related attributes (e.g., NoA) in addition to the IEs
+	 * included here by appending them after these buffers. This call is
+	 * also used to provide Probe Response IEs for P2P Listen state
+	 * operations for drivers that generate the Probe Response frames
+	 * internally.
+	 */
+	int (*set_ap_wps_ie)(void *priv, const struct wpabuf *beacon,
+			     const struct wpabuf *proberesp,
+			     const struct wpabuf *assocresp);
+
+	/**
+	 * set_supp_port - Set IEEE 802.1X Supplicant Port status
+	 * @priv: Private driver interface data
+	 * @authorized: Whether the port is authorized
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*set_supp_port)(void *priv, int authorized);
+
+	/**
+	 * set_wds_sta - Bind a station into a 4-address WDS (AP only)
+	 * @priv: Private driver interface data
+	 * @addr: MAC address of the associated station
+	 * @aid: Association ID
+	 * @val: 1 = bind to 4-address WDS; 0 = unbind
+	 * @bridge_ifname: Bridge interface to use for the WDS station or %NULL
+	 *	to indicate that bridge is not to be used
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*set_wds_sta)(void *priv, const u8 *addr, int aid, int val,
+	                   const char *bridge_ifname);
+
+	/**
+	 * send_action - Transmit an Action frame
+	 * @priv: Private driver interface data
+	 * @freq: Frequency (in MHz) of the channel
+	 * @wait: Time to wait off-channel for a response (in ms), or zero
+	 * @dst: Destination MAC address (Address 1)
+	 * @src: Source MAC address (Address 2)
+	 * @bssid: BSSID (Address 3)
+	 * @data: Frame body
+	 * @data_len: data length in octets
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This command can be used to request the driver to transmit an action
+	 * frame to the specified destination.
+	 *
+	 * If the %WPA_DRIVER_FLAGS_OFFCHANNEL_TX flag is set, the frame will
+	 * be transmitted on the given channel and the device will wait for a
+	 * response on that channel for the given wait time.
+	 *
+	 * If the flag is not set, the wait time will be ignored. In this case,
+	 * if a remain-on-channel duration is in progress, the frame must be
+	 * transmitted on that channel; alternatively the frame may be sent on
+	 * the current operational channel (if in associated state in station
+	 * mode or while operating as an AP.)
+	 */
+	int (*send_action)(void *priv, unsigned int freq, unsigned int wait,
+			   const u8 *dst, const u8 *src, const u8 *bssid,
+			   const u8 *data, size_t data_len);
+
+	/**
+	 * send_action_cancel_wait - Cancel action frame TX wait
+	 * @priv: Private driver interface data
+	 *
+	 * This command cancels the wait time associated with sending an action
+	 * frame. It is only available when %WPA_DRIVER_FLAGS_OFFCHANNEL_TX is
+	 * set in the driver flags.
+	 */
+	void (*send_action_cancel_wait)(void *priv);
+
+	/**
+	 * remain_on_channel - Remain awake on a channel
+	 * @priv: Private driver interface data
+	 * @freq: Frequency (in MHz) of the channel
+	 * @duration: Duration in milliseconds
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This command is used to request the driver to remain awake on the
+	 * specified channel for the specified duration and report received
+	 * Action frames with EVENT_RX_ACTION events. Optionally, received
+	 * Probe Request frames may also be requested to be reported by calling
+	 * probe_req_report(). These will be reported with EVENT_RX_PROBE_REQ.
+	 *
+	 * The driver may not be at the requested channel when this function
+	 * returns, i.e., the return code is only indicating whether the
+	 * request was accepted. The caller will need to wait until the
+	 * EVENT_REMAIN_ON_CHANNEL event indicates that the driver has
+	 * completed the channel change. This may take some time due to other
+	 * need for the radio and the caller should be prepared to timing out
+	 * its wait since there are no guarantees on when this request can be
+	 * executed.
+	 */
+	int (*remain_on_channel)(void *priv, unsigned int freq,
+				 unsigned int duration);
+
+	/**
+	 * cancel_remain_on_channel - Cancel remain-on-channel operation
+	 * @priv: Private driver interface data
+	 *
+	 * This command can be used to cancel a remain-on-channel operation
+	 * before its originally requested duration has passed. This could be
+	 * used, e.g., when remain_on_channel() is used to request extra time
+	 * to receive a response to an Action frame and the response is
+	 * received when there is still unneeded time remaining on the
+	 * remain-on-channel operation.
+	 */
+	int (*cancel_remain_on_channel)(void *priv);
+
+	/**
+	 * probe_req_report - Request Probe Request frames to be indicated
+	 * @priv: Private driver interface data
+	 * @report: Whether to report received Probe Request frames
+	 * Returns: 0 on success, -1 on failure (or if not supported)
+	 *
+	 * This command can be used to request the driver to indicate when
+	 * Probe Request frames are received with EVENT_RX_PROBE_REQ events.
+	 * Since this operation may require extra resources, e.g., due to less
+	 * optimal hardware/firmware RX filtering, many drivers may disable
+	 * Probe Request reporting at least in station mode. This command is
+	 * used to notify the driver when the Probe Request frames need to be
+	 * reported, e.g., during remain-on-channel operations.
+	 */
+	int (*probe_req_report)(void *priv, int report);
+
+	/**
+	 * disable_11b_rates - Set whether IEEE 802.11b rates are used for TX
+	 * @priv: Private driver interface data
+	 * @disabled: Whether IEEE 802.11b rates are disabled
+	 * Returns: 0 on success, -1 on failure (or if not supported)
+	 *
+	 * This command is used to disable IEEE 802.11b rates (1, 2, 5.5, and
+	 * 11 Mbps) as TX rates for data and management frames. This can be
+	 * used to optimize channel use when there is no need to support IEEE
+	 * 802.11b-only devices.
+	 */
+	int (*disable_11b_rates)(void *priv, int disabled);
+
+	/**
+	 * deinit_ap - Deinitialize AP mode
+	 * @priv: Private driver interface data
+	 * Returns: 0 on success, -1 on failure (or if not supported)
+	 *
+	 * This optional function can be used to disable AP mode related
+	 * configuration and change the driver mode to station mode to allow
+	 * normal station operations like scanning to be completed.
+	 */
+	int (*deinit_ap)(void *priv);
+
+	/**
+	 * suspend - Notification on system suspend/hibernate event
+	 * @priv: Private driver interface data
+	 */
+	void (*suspend)(void *priv);
+
+	/**
+	 * resume - Notification on system resume/thaw event
+	 * @priv: Private driver interface data
+	 */
+	void (*resume)(void *priv);
+
+	/**
+	 * signal_monitor - Set signal monitoring parameters
+	 * @priv: Private driver interface data
+	 * @threshold: Threshold value for signal change events; 0 = disabled
+	 * @hysteresis: Minimum change in signal strength before indicating a
+	 *	new event
+	 * Returns: 0 on success, -1 on failure (or if not supported)
+	 *
+	 * This function can be used to configure monitoring of signal strength
+	 * with the current AP. Whenever signal strength drops below the
+	 * %threshold value or increases above it, EVENT_SIGNAL_CHANGE event
+	 * should be generated assuming the signal strength has changed at
+	 * least %hysteresis from the previously indicated signal change event.
+	 */
+	int (*signal_monitor)(void *priv, int threshold, int hysteresis);
+
+	/**
+	 * send_frame - Send IEEE 802.11 frame (testing use only)
+	 * @priv: Private driver interface data
+	 * @data: IEEE 802.11 frame with IEEE 802.11 header
+	 * @data_len: Size of the frame
+	 * @encrypt: Whether to encrypt the frame (if keys are set)
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is only used for debugging purposes and is not
+	 * required to be implemented for normal operations.
+	 */
+	int (*send_frame)(void *priv, const u8 *data, size_t data_len,
+			  int encrypt);
+
+	/**
+	 * shared_freq - Get operating frequency of shared interface(s)
+	 * @priv: Private driver interface data
+	 * Returns: Operating frequency in MHz, 0 if no shared operation in
+	 * use, or -1 on failure
+	 *
+	 * This command can be used to request the current operating frequency
+	 * of any virtual interface that shares the same radio to provide
+	 * information for channel selection for other virtual interfaces.
+	 */
+	int (*shared_freq)(void *priv);
+
+	/**
+	 * get_noa - Get current Notice of Absence attribute payload
+	 * @priv: Private driver interface data
+	 * @buf: Buffer for returning NoA
+	 * @buf_len: Buffer length in octets
+	 * Returns: Number of octets used in buf, 0 to indicate no NoA is being
+	 * advertized, or -1 on failure
+	 *
+	 * This function is used to fetch the current Notice of Absence
+	 * attribute value from GO.
+	 */
+	int (*get_noa)(void *priv, u8 *buf, size_t buf_len);
+
+	/**
+	 * set_noa - Set Notice of Absence parameters for GO (testing)
+	 * @priv: Private driver interface data
+	 * @count: Count
+	 * @start: Start time in ms from next TBTT
+	 * @duration: Duration in ms
+	 * Returns: 0 on success or -1 on failure
+	 *
+	 * This function is used to set Notice of Absence parameters for GO. It
+	 * is used only for testing. To disable NoA, all parameters are set to
+	 * 0.
+	 */
+	int (*set_noa)(void *priv, u8 count, int start, int duration);
+
+	/**
+	 * set_p2p_powersave - Set P2P power save options
+	 * @priv: Private driver interface data
+	 * @legacy_ps: 0 = disable, 1 = enable, 2 = maximum PS, -1 = no change
+	 * @opp_ps: 0 = disable, 1 = enable, -1 = no change
+	 * @ctwindow: 0.. = change (msec), -1 = no change
+	 * Returns: 0 on success or -1 on failure
+	 */
+	int (*set_p2p_powersave)(void *priv, int legacy_ps, int opp_ps,
+				 int ctwindow);
+
+	/**
+	 * ampdu - Enable/disable aggregation
+	 * @priv: Private driver interface data
+	 * @ampdu: 1/0 = enable/disable A-MPDU aggregation
+	 * Returns: 0 on success or -1 on failure
+	 */
+	int (*ampdu)(void *priv, int ampdu);
+
+	/**
+	 * set_intra_bss - Enables/Disables intra BSS bridging
+	 */
+	int (*set_intra_bss)(void *priv, int enabled);
+
+	/**
+	 * get_radio_name - Get physical radio name for the device
+	 * @priv: Private driver interface data
+	 * Returns: Radio name or %NULL if not known
+	 *
+	 * The returned data must not be modified by the caller. It is assumed
+	 * that any interface that has the same radio name as another is
+	 * sharing the same physical radio. This information can be used to
+	 * share scan results etc. information between the virtual interfaces
+	 * to speed up various operations.
+	 */
+	const char * (*get_radio_name)(void *priv);
+
+	/**
+	 * p2p_find - Start P2P Device Discovery
+	 * @priv: Private driver interface data
+	 * @timeout: Timeout for find operation in seconds or 0 for no timeout
+	 * @type: Device Discovery type (enum p2p_discovery_type)
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is only used if the driver implements P2P management,
+	 * i.e., if it sets WPA_DRIVER_FLAGS_P2P_MGMT in
+	 * struct wpa_driver_capa.
+	 */
+	int (*p2p_find)(void *priv, unsigned int timeout, int type);
+
+	/**
+	 * p2p_stop_find - Stop P2P Device Discovery
+	 * @priv: Private driver interface data
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is only used if the driver implements P2P management,
+	 * i.e., if it sets WPA_DRIVER_FLAGS_P2P_MGMT in
+	 * struct wpa_driver_capa.
+	 */
+	int (*p2p_stop_find)(void *priv);
+
+	/**
+	 * p2p_listen - Start P2P Listen state for specified duration
+	 * @priv: Private driver interface data
+	 * @timeout: Listen state duration in milliseconds
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function can be used to request the P2P module to keep the
+	 * device discoverable on the listen channel for an extended set of
+	 * time. At least in its current form, this is mainly used for testing
+	 * purposes and may not be of much use for normal P2P operations.
+	 *
+	 * This function is only used if the driver implements P2P management,
+	 * i.e., if it sets WPA_DRIVER_FLAGS_P2P_MGMT in
+	 * struct wpa_driver_capa.
+	 */
+	int (*p2p_listen)(void *priv, unsigned int timeout);
+
+	/**
+	 * p2p_connect - Start P2P group formation (GO negotiation)
+	 * @priv: Private driver interface data
+	 * @peer_addr: MAC address of the peer P2P client
+	 * @wps_method: enum p2p_wps_method value indicating config method
+	 * @go_intent: Local GO intent value (1..15)
+	 * @own_interface_addr: Intended interface address to use with the
+	 *	group
+	 * @force_freq: The only allowed channel frequency in MHz or 0
+	 * @persistent_group: Whether to create persistent group
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is only used if the driver implements P2P management,
+	 * i.e., if it sets WPA_DRIVER_FLAGS_P2P_MGMT in
+	 * struct wpa_driver_capa.
+	 */
+	int (*p2p_connect)(void *priv, const u8 *peer_addr, int wps_method,
+			   int go_intent, const u8 *own_interface_addr,
+			   unsigned int force_freq, int persistent_group);
+
+	/**
+	 * wps_success_cb - Report successfully completed WPS provisioning
+	 * @priv: Private driver interface data
+	 * @peer_addr: Peer address
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is used to report successfully completed WPS
+	 * provisioning during group formation in both GO/Registrar and
+	 * client/Enrollee roles.
+	 *
+	 * This function is only used if the driver implements P2P management,
+	 * i.e., if it sets WPA_DRIVER_FLAGS_P2P_MGMT in
+	 * struct wpa_driver_capa.
+	 */
+	int (*wps_success_cb)(void *priv, const u8 *peer_addr);
+
+	/**
+	 * p2p_group_formation_failed - Report failed WPS provisioning
+	 * @priv: Private driver interface data
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is used to report failed group formation. This can
+	 * happen either due to failed WPS provisioning or due to 15 second
+	 * timeout during the provisioning phase.
+	 *
+	 * This function is only used if the driver implements P2P management,
+	 * i.e., if it sets WPA_DRIVER_FLAGS_P2P_MGMT in
+	 * struct wpa_driver_capa.
+	 */
+	int (*p2p_group_formation_failed)(void *priv);
+
+	/**
+	 * p2p_set_params - Set P2P parameters
+	 * @priv: Private driver interface data
+	 * @params: P2P parameters
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is only used if the driver implements P2P management,
+	 * i.e., if it sets WPA_DRIVER_FLAGS_P2P_MGMT in
+	 * struct wpa_driver_capa.
+	 */
+	int (*p2p_set_params)(void *priv, const struct p2p_params *params);
+
+	/**
+	 * p2p_prov_disc_req - Send Provision Discovery Request
+	 * @priv: Private driver interface data
+	 * @peer_addr: MAC address of the peer P2P client
+	 * @config_methods: WPS Config Methods value (only one bit set)
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function can be used to request a discovered P2P peer to
+	 * display a PIN (config_methods = WPS_CONFIG_DISPLAY) or be prepared
+	 * to enter a PIN from us (config_methods = WPS_CONFIG_KEYPAD). The
+	 * Provision Discovery Request frame is transmitted once immediately
+	 * and if no response is received, the frame will be sent again
+	 * whenever the target device is discovered during device dsicovery
+	 * (start with a p2p_find() call). Response from the peer is indicated
+	 * with the EVENT_P2P_PROV_DISC_RESPONSE event.
+	 *
+	 * This function is only used if the driver implements P2P management,
+	 * i.e., if it sets WPA_DRIVER_FLAGS_P2P_MGMT in
+	 * struct wpa_driver_capa.
+	 */
+	int (*p2p_prov_disc_req)(void *priv, const u8 *peer_addr,
+				 u16 config_methods);
+
+	/**
+	 * p2p_sd_request - Schedule a service discovery query
+	 * @priv: Private driver interface data
+	 * @dst: Destination peer or %NULL to apply for all peers
+	 * @tlvs: P2P Service Query TLV(s)
+	 * Returns: Reference to the query or 0 on failure
+	 *
+	 * Response to the query is indicated with the
+	 * EVENT_P2P_SD_RESPONSE driver event.
+	 *
+	 * This function is only used if the driver implements P2P management,
+	 * i.e., if it sets WPA_DRIVER_FLAGS_P2P_MGMT in
+	 * struct wpa_driver_capa.
+	 */
+	u64 (*p2p_sd_request)(void *priv, const u8 *dst,
+			      const struct wpabuf *tlvs);
+
+	/**
+	 * p2p_sd_cancel_request - Cancel a pending service discovery query
+	 * @priv: Private driver interface data
+	 * @req: Query reference from p2p_sd_request()
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is only used if the driver implements P2P management,
+	 * i.e., if it sets WPA_DRIVER_FLAGS_P2P_MGMT in
+	 * struct wpa_driver_capa.
+	 */
+	int (*p2p_sd_cancel_request)(void *priv, u64 req);
+
+	/**
+	 * p2p_sd_response - Send response to a service discovery query
+	 * @priv: Private driver interface data
+	 * @freq: Frequency from EVENT_P2P_SD_REQUEST event
+	 * @dst: Destination address from EVENT_P2P_SD_REQUEST event
+	 * @dialog_token: Dialog token from EVENT_P2P_SD_REQUEST event
+	 * @resp_tlvs: P2P Service Response TLV(s)
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is called as a response to the request indicated with
+	 * the EVENT_P2P_SD_REQUEST driver event.
+	 *
+	 * This function is only used if the driver implements P2P management,
+	 * i.e., if it sets WPA_DRIVER_FLAGS_P2P_MGMT in
+	 * struct wpa_driver_capa.
+	 */
+	int (*p2p_sd_response)(void *priv, int freq, const u8 *dst,
+			       u8 dialog_token,
+			       const struct wpabuf *resp_tlvs);
+
+	/**
+	 * p2p_service_update - Indicate a change in local services
+	 * @priv: Private driver interface data
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function needs to be called whenever there is a change in
+	 * availability of the local services. This will increment the
+	 * Service Update Indicator value which will be used in SD Request and
+	 * Response frames.
+	 *
+	 * This function is only used if the driver implements P2P management,
+	 * i.e., if it sets WPA_DRIVER_FLAGS_P2P_MGMT in
+	 * struct wpa_driver_capa.
+	 */
+	int (*p2p_service_update)(void *priv);
+
+	/**
+	 * p2p_reject - Reject peer device (explicitly block connections)
+	 * @priv: Private driver interface data
+	 * @addr: MAC address of the peer
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*p2p_reject)(void *priv, const u8 *addr);
+
+	/**
+	 * p2p_invite - Invite a P2P Device into a group
+	 * @priv: Private driver interface data
+	 * @peer: Device Address of the peer P2P Device
+	 * @role: Local role in the group
+	 * @bssid: Group BSSID or %NULL if not known
+	 * @ssid: Group SSID
+	 * @ssid_len: Length of ssid in octets
+	 * @go_dev_addr: Forced GO Device Address or %NULL if none
+	 * @persistent_group: Whether this is to reinvoke a persistent group
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*p2p_invite)(void *priv, const u8 *peer, int role,
+			  const u8 *bssid, const u8 *ssid, size_t ssid_len,
+			  const u8 *go_dev_addr, int persistent_group);
+
+	/**
+	 * send_tdls_mgmt - for sending TDLS management packets
+	 * @priv: private driver interface data
+	 * @dst: Destination (peer) MAC address
+	 * @action_code: TDLS action code for the mssage
+	 * @dialog_token: Dialog Token to use in the message (if needed)
+	 * @status_code: Status Code or Reason Code to use (if needed)
+	 * @buf: TDLS IEs to add to the message
+	 * @len: Length of buf in octets
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This optional function can be used to send packet to driver which is
+	 * responsible for receiving and sending all TDLS packets.
+	 */
+	int (*send_tdls_mgmt)(void *priv, const u8 *dst, u8 action_code,
+			      u8 dialog_token, u16 status_code,
+			      const u8 *buf, size_t len);
+
+	int (*tdls_oper)(void *priv, enum tdls_oper oper, const u8 *peer);
+
+	/**
+	 * signal_poll - Get current connection information
+	 * @priv: Private driver interface data
+	 * @signal_info: Connection info structure
+         */
+	int (*signal_poll)(void *priv, struct wpa_signal_info *signal_info);
+};
+
+
+/**
+ * enum wpa_event_type - Event type for wpa_supplicant_event() calls
+ */
+enum wpa_event_type {
+	/**
+	 * EVENT_ASSOC - Association completed
+	 *
+	 * This event needs to be delivered when the driver completes IEEE
+	 * 802.11 association or reassociation successfully.
+	 * wpa_driver_ops::get_bssid() is expected to provide the current BSSID
+	 * after this event has been generated. In addition, optional
+	 * EVENT_ASSOCINFO may be generated just before EVENT_ASSOC to provide
+	 * more information about the association. If the driver interface gets
+	 * both of these events at the same time, it can also include the
+	 * assoc_info data in EVENT_ASSOC call.
+	 */
+	EVENT_ASSOC,
+
+	/**
+	 * EVENT_DISASSOC - Association lost
+	 *
+	 * This event should be called when association is lost either due to
+	 * receiving deauthenticate or disassociate frame from the AP or when
+	 * sending either of these frames to the current AP. If the driver
+	 * supports separate deauthentication event, EVENT_DISASSOC should only
+	 * be used for disassociation and EVENT_DEAUTH for deauthentication.
+	 * In AP mode, union wpa_event_data::disassoc_info is required.
+	 */
+	EVENT_DISASSOC,
+
+	/**
+	 * EVENT_MICHAEL_MIC_FAILURE - Michael MIC (TKIP) detected
+	 *
+	 * This event must be delivered when a Michael MIC error is detected by
+	 * the local driver. Additional data for event processing is
+	 * provided with union wpa_event_data::michael_mic_failure. This
+	 * information is used to request new encyption key and to initiate
+	 * TKIP countermeasures if needed.
+	 */
+	EVENT_MICHAEL_MIC_FAILURE,
+
+	/**
+	 * EVENT_SCAN_RESULTS - Scan results available
+	 *
+	 * This event must be called whenever scan results are available to be
+	 * fetched with struct wpa_driver_ops::get_scan_results(). This event
+	 * is expected to be used some time after struct wpa_driver_ops::scan()
+	 * is called. If the driver provides an unsolicited event when the scan
+	 * has been completed, this event can be used to trigger
+	 * EVENT_SCAN_RESULTS call. If such event is not available from the
+	 * driver, the driver wrapper code is expected to use a registered
+	 * timeout to generate EVENT_SCAN_RESULTS call after the time that the
+	 * scan is expected to be completed. Optional information about
+	 * completed scan can be provided with union wpa_event_data::scan_info.
+	 */
+	EVENT_SCAN_RESULTS,
+
+	/**
+	 * EVENT_ASSOCINFO - Report optional extra information for association
+	 *
+	 * This event can be used to report extra association information for
+	 * EVENT_ASSOC processing. This extra information includes IEs from
+	 * association frames and Beacon/Probe Response frames in union
+	 * wpa_event_data::assoc_info. EVENT_ASSOCINFO must be send just before
+	 * EVENT_ASSOC. Alternatively, the driver interface can include
+	 * assoc_info data in the EVENT_ASSOC call if it has all the
+	 * information available at the same point.
+	 */
+	EVENT_ASSOCINFO,
+
+	/**
+	 * EVENT_INTERFACE_STATUS - Report interface status changes
+	 *
+	 * This optional event can be used to report changes in interface
+	 * status (interface added/removed) using union
+	 * wpa_event_data::interface_status. This can be used to trigger
+	 * wpa_supplicant to stop and re-start processing for the interface,
+	 * e.g., when a cardbus card is ejected/inserted.
+	 */
+	EVENT_INTERFACE_STATUS,
+
+	/**
+	 * EVENT_PMKID_CANDIDATE - Report a candidate AP for pre-authentication
+	 *
+	 * This event can be used to inform wpa_supplicant about candidates for
+	 * RSN (WPA2) pre-authentication. If wpa_supplicant is not responsible
+	 * for scan request (ap_scan=2 mode), this event is required for
+	 * pre-authentication. If wpa_supplicant is performing scan request
+	 * (ap_scan=1), this event is optional since scan results can be used
+	 * to add pre-authentication candidates. union
+	 * wpa_event_data::pmkid_candidate is used to report the BSSID of the
+	 * candidate and priority of the candidate, e.g., based on the signal
+	 * strength, in order to try to pre-authenticate first with candidates
+	 * that are most likely targets for re-association.
+	 *
+	 * EVENT_PMKID_CANDIDATE can be called whenever the driver has updates
+	 * on the candidate list. In addition, it can be called for the current
+	 * AP and APs that have existing PMKSA cache entries. wpa_supplicant
+	 * will automatically skip pre-authentication in cases where a valid
+	 * PMKSA exists. When more than one candidate exists, this event should
+	 * be generated once for each candidate.
+	 *
+	 * Driver will be notified about successful pre-authentication with
+	 * struct wpa_driver_ops::add_pmkid() calls.
+	 */
+	EVENT_PMKID_CANDIDATE,
+
+	/**
+	 * EVENT_STKSTART - Request STK handshake (MLME-STKSTART.request)
+	 *
+	 * This event can be used to inform wpa_supplicant about desire to set
+	 * up secure direct link connection between two stations as defined in
+	 * IEEE 802.11e with a new PeerKey mechanism that replaced the original
+	 * STAKey negotiation. The caller will need to set peer address for the
+	 * event.
+	 */
+	EVENT_STKSTART,
+
+	/**
+	 * EVENT_TDLS - Request TDLS operation
+	 *
+	 * This event can be used to request a TDLS operation to be performed.
+	 */
+	EVENT_TDLS,
+
+	/**
+	 * EVENT_FT_RESPONSE - Report FT (IEEE 802.11r) response IEs
+	 *
+	 * The driver is expected to report the received FT IEs from
+	 * FT authentication sequence from the AP. The FT IEs are included in
+	 * the extra information in union wpa_event_data::ft_ies.
+	 */
+	EVENT_FT_RESPONSE,
+
+	/**
+	 * EVENT_IBSS_RSN_START - Request RSN authentication in IBSS
+	 *
+	 * The driver can use this event to inform wpa_supplicant about a STA
+	 * in an IBSS with which protected frames could be exchanged. This
+	 * event starts RSN authentication with the other STA to authenticate
+	 * the STA and set up encryption keys with it.
+	 */
+	EVENT_IBSS_RSN_START,
+
+	/**
+	 * EVENT_AUTH - Authentication result
+	 *
+	 * This event should be called when authentication attempt has been
+	 * completed. This is only used if the driver supports separate
+	 * authentication step (struct wpa_driver_ops::authenticate).
+	 * Information about authentication result is included in
+	 * union wpa_event_data::auth.
+	 */
+	EVENT_AUTH,
+
+	/**
+	 * EVENT_DEAUTH - Authentication lost
+	 *
+	 * This event should be called when authentication is lost either due
+	 * to receiving deauthenticate frame from the AP or when sending that
+	 * frame to the current AP.
+	 * In AP mode, union wpa_event_data::deauth_info is required.
+	 */
+	EVENT_DEAUTH,
+
+	/**
+	 * EVENT_ASSOC_REJECT - Association rejected
+	 *
+	 * This event should be called when (re)association attempt has been
+	 * rejected by the AP. Information about the association response is
+	 * included in union wpa_event_data::assoc_reject.
+	 */
+	EVENT_ASSOC_REJECT,
+
+	/**
+	 * EVENT_AUTH_TIMED_OUT - Authentication timed out
+	 */
+	EVENT_AUTH_TIMED_OUT,
+
+	/**
+	 * EVENT_ASSOC_TIMED_OUT - Association timed out
+	 */
+	EVENT_ASSOC_TIMED_OUT,
+
+	/**
+	 * EVENT_FT_RRB_RX - FT (IEEE 802.11r) RRB frame received
+	 */
+	EVENT_FT_RRB_RX,
+
+	/**
+	 * EVENT_WPS_BUTTON_PUSHED - Report hardware push button press for WPS
+	 */
+	EVENT_WPS_BUTTON_PUSHED,
+
+	/**
+	 * EVENT_TX_STATUS - Report TX status
+	 */
+	EVENT_TX_STATUS,
+
+	/**
+	 * EVENT_RX_FROM_UNKNOWN - Report RX from unknown STA
+	 */
+	EVENT_RX_FROM_UNKNOWN,
+
+	/**
+	 * EVENT_RX_MGMT - Report RX of a management frame
+	 */
+	EVENT_RX_MGMT,
+
+	/**
+	 * EVENT_RX_ACTION - Action frame received
+	 *
+	 * This event is used to indicate when an Action frame has been
+	 * received. Information about the received frame is included in
+	 * union wpa_event_data::rx_action.
+	 */
+	EVENT_RX_ACTION,
+
+	/**
+	 * EVENT_REMAIN_ON_CHANNEL - Remain-on-channel duration started
+	 *
+	 * This event is used to indicate when the driver has started the
+	 * requested remain-on-channel duration. Information about the
+	 * operation is included in union wpa_event_data::remain_on_channel.
+	 */
+	EVENT_REMAIN_ON_CHANNEL,
+
+	/**
+	 * EVENT_CANCEL_REMAIN_ON_CHANNEL - Remain-on-channel timed out
+	 *
+	 * This event is used to indicate when the driver has completed
+	 * remain-on-channel duration, i.e., may noot be available on the
+	 * requested channel anymore. Information about the
+	 * operation is included in union wpa_event_data::remain_on_channel.
+	 */
+	EVENT_CANCEL_REMAIN_ON_CHANNEL,
+
+	/**
+	 * EVENT_MLME_RX - Report reception of frame for MLME (test use only)
+	 *
+	 * This event is used only by driver_test.c and userspace MLME.
+	 */
+	EVENT_MLME_RX,
+
+	/**
+	 * EVENT_RX_PROBE_REQ - Indicate received Probe Request frame
+	 *
+	 * This event is used to indicate when a Probe Request frame has been
+	 * received. Information about the received frame is included in
+	 * union wpa_event_data::rx_probe_req. The driver is required to report
+	 * these events only after successfully completed probe_req_report()
+	 * commands to request the events (i.e., report parameter is non-zero)
+	 * in station mode. In AP mode, Probe Request frames should always be
+	 * reported.
+	 */
+	EVENT_RX_PROBE_REQ,
+
+	/**
+	 * EVENT_NEW_STA - New wired device noticed
+	 *
+	 * This event is used to indicate that a new device has been detected
+	 * in a network that does not use association-like functionality (i.e.,
+	 * mainly wired Ethernet). This can be used to start EAPOL
+	 * authenticator when receiving a frame from a device. The address of
+	 * the device is included in union wpa_event_data::new_sta.
+	 */
+	EVENT_NEW_STA,
+
+	/**
+	 * EVENT_EAPOL_RX - Report received EAPOL frame
+	 *
+	 * When in AP mode with hostapd, this event is required to be used to
+	 * deliver the receive EAPOL frames from the driver. With
+	 * %wpa_supplicant, this event is used only if the send_eapol() handler
+	 * is used to override the use of l2_packet for EAPOL frame TX.
+	 */
+	EVENT_EAPOL_RX,
+
+	/**
+	 * EVENT_SIGNAL_CHANGE - Indicate change in signal strength
+	 *
+	 * This event is used to indicate changes in the signal strength
+	 * observed in frames received from the current AP if signal strength
+	 * monitoring has been enabled with signal_monitor().
+	 */
+	EVENT_SIGNAL_CHANGE,
+
+	/**
+	 * EVENT_INTERFACE_ENABLED - Notify that interface was enabled
+	 *
+	 * This event is used to indicate that the interface was enabled after
+	 * having been previously disabled, e.g., due to rfkill.
+	 */
+	EVENT_INTERFACE_ENABLED,
+
+	/**
+	 * EVENT_INTERFACE_DISABLED - Notify that interface was disabled
+	 *
+	 * This event is used to indicate that the interface was disabled,
+	 * e.g., due to rfkill.
+	 */
+	EVENT_INTERFACE_DISABLED,
+
+	/**
+	 * EVENT_CHANNEL_LIST_CHANGED - Channel list changed
+	 *
+	 * This event is used to indicate that the channel list has changed,
+	 * e.g., because of a regulatory domain change triggered by scan
+	 * results including an AP advertising a country code.
+	 */
+	EVENT_CHANNEL_LIST_CHANGED,
+
+	/**
+	 * EVENT_INTERFACE_UNAVAILABLE - Notify that interface is unavailable
+	 *
+	 * This event is used to indicate that the driver cannot maintain this
+	 * interface in its operation mode anymore. The most likely use for
+	 * this is to indicate that AP mode operation is not available due to
+	 * operating channel would need to be changed to a DFS channel when
+	 * the driver does not support radar detection and another virtual
+	 * interfaces caused the operating channel to change. Other similar
+	 * resource conflicts could also trigger this for station mode
+	 * interfaces.
+	 */
+	EVENT_INTERFACE_UNAVAILABLE,
+
+	/**
+	 * EVENT_BEST_CHANNEL
+	 *
+	 * Driver generates this event whenever it detects a better channel
+	 * (e.g., based on RSSI or channel use). This information can be used
+	 * to improve channel selection for a new AP/P2P group.
+	 */
+	EVENT_BEST_CHANNEL,
+
+	/**
+	 * EVENT_UNPROT_DEAUTH - Unprotected Deauthentication frame received
+	 *
+	 * This event should be called when a Deauthentication frame is dropped
+	 * due to it not being protected (MFP/IEEE 802.11w).
+	 * union wpa_event_data::unprot_deauth is required to provide more
+	 * details of the frame.
+	 */
+	EVENT_UNPROT_DEAUTH,
+
+	/**
+	 * EVENT_UNPROT_DISASSOC - Unprotected Disassociation frame received
+	 *
+	 * This event should be called when a Disassociation frame is dropped
+	 * due to it not being protected (MFP/IEEE 802.11w).
+	 * union wpa_event_data::unprot_disassoc is required to provide more
+	 * details of the frame.
+	 */
+	EVENT_UNPROT_DISASSOC,
+
+	/**
+	 * EVENT_STATION_LOW_ACK
+	 *
+	 * Driver generates this event whenever it detected that a particular
+	 * station was lost. Detection can be through massive transmission
+	 * failures for example.
+	 */
+	EVENT_STATION_LOW_ACK,
+
+	/**
+	 * EVENT_P2P_DEV_FOUND - Report a discovered P2P device
+	 *
+	 * This event is used only if the driver implements P2P management
+	 * internally. Event data is stored in
+	 * union wpa_event_data::p2p_dev_found.
+	 */
+	EVENT_P2P_DEV_FOUND,
+
+	/**
+	 * EVENT_P2P_GO_NEG_REQ_RX - Report reception of GO Negotiation Request
+	 *
+	 * This event is used only if the driver implements P2P management
+	 * internally. Event data is stored in
+	 * union wpa_event_data::p2p_go_neg_req_rx.
+	 */
+	EVENT_P2P_GO_NEG_REQ_RX,
+
+	/**
+	 * EVENT_P2P_GO_NEG_COMPLETED - Report completion of GO Negotiation
+	 *
+	 * This event is used only if the driver implements P2P management
+	 * internally. Event data is stored in
+	 * union wpa_event_data::p2p_go_neg_completed.
+	 */
+	EVENT_P2P_GO_NEG_COMPLETED,
+
+	EVENT_P2P_PROV_DISC_REQUEST,
+	EVENT_P2P_PROV_DISC_RESPONSE,
+	EVENT_P2P_SD_REQUEST,
+	EVENT_P2P_SD_RESPONSE,
+
+	/**
+	 * EVENT_IBSS_PEER_LOST - IBSS peer not reachable anymore
+	 */
+	EVENT_IBSS_PEER_LOST
+};
+
+
+/**
+ * union wpa_event_data - Additional data for wpa_supplicant_event() calls
+ */
+union wpa_event_data {
+	/**
+	 * struct assoc_info - Data for EVENT_ASSOC and EVENT_ASSOCINFO events
+	 *
+	 * This structure is optional for EVENT_ASSOC calls and required for
+	 * EVENT_ASSOCINFO calls. By using EVENT_ASSOC with this data, the
+	 * driver interface does not need to generate separate EVENT_ASSOCINFO
+	 * calls.
+	 */
+	struct assoc_info {
+		/**
+		 * reassoc - Flag to indicate association or reassociation
+		 */
+		int reassoc;
+
+		/**
+		 * req_ies - (Re)Association Request IEs
+		 *
+		 * If the driver generates WPA/RSN IE, this event data must be
+		 * returned for WPA handshake to have needed information. If
+		 * wpa_supplicant-generated WPA/RSN IE is used, this
+		 * information event is optional.
+		 *
+		 * This should start with the first IE (fixed fields before IEs
+		 * are not included).
+		 */
+		const u8 *req_ies;
+
+		/**
+		 * req_ies_len - Length of req_ies in bytes
+		 */
+		size_t req_ies_len;
+
+		/**
+		 * resp_ies - (Re)Association Response IEs
+		 *
+		 * Optional association data from the driver. This data is not
+		 * required WPA, but may be useful for some protocols and as
+		 * such, should be reported if this is available to the driver
+		 * interface.
+		 *
+		 * This should start with the first IE (fixed fields before IEs
+		 * are not included).
+		 */
+		const u8 *resp_ies;
+
+		/**
+		 * resp_ies_len - Length of resp_ies in bytes
+		 */
+		size_t resp_ies_len;
+
+		/**
+		 * beacon_ies - Beacon or Probe Response IEs
+		 *
+		 * Optional Beacon/ProbeResp data: IEs included in Beacon or
+		 * Probe Response frames from the current AP (i.e., the one
+		 * that the client just associated with). This information is
+		 * used to update WPA/RSN IE for the AP. If this field is not
+		 * set, the results from previous scan will be used. If no
+		 * data for the new AP is found, scan results will be requested
+		 * again (without scan request). At this point, the driver is
+		 * expected to provide WPA/RSN IE for the AP (if WPA/WPA2 is
+		 * used).
+		 *
+		 * This should start with the first IE (fixed fields before IEs
+		 * are not included).
+		 */
+		const u8 *beacon_ies;
+
+		/**
+		 * beacon_ies_len - Length of beacon_ies */
+		size_t beacon_ies_len;
+
+		/**
+		 * freq - Frequency of the operational channel in MHz
+		 */
+		unsigned int freq;
+
+		/**
+		 * addr - Station address (for AP mode)
+		 */
+		const u8 *addr;
+	} assoc_info;
+
+	/**
+	 * struct disassoc_info - Data for EVENT_DISASSOC events
+	 */
+	struct disassoc_info {
+		/**
+		 * addr - Station address (for AP mode)
+		 */
+		const u8 *addr;
+
+		/**
+		 * reason_code - Reason Code (host byte order) used in
+		 *	Deauthentication frame
+		 */
+		u16 reason_code;
+
+		/**
+		 * ie - Optional IE(s) in Disassociation frame
+		 */
+		const u8 *ie;
+
+		/**
+		 * ie_len - Length of ie buffer in octets
+		 */
+		size_t ie_len;
+	} disassoc_info;
+
+	/**
+	 * struct deauth_info - Data for EVENT_DEAUTH events
+	 */
+	struct deauth_info {
+		/**
+		 * addr - Station address (for AP mode)
+		 */
+		const u8 *addr;
+
+		/**
+		 * reason_code - Reason Code (host byte order) used in
+		 *	Deauthentication frame
+		 */
+		u16 reason_code;
+
+		/**
+		 * ie - Optional IE(s) in Deauthentication frame
+		 */
+		const u8 *ie;
+
+		/**
+		 * ie_len - Length of ie buffer in octets
+		 */
+		size_t ie_len;
+	} deauth_info;
+
+	/**
+	 * struct michael_mic_failure - Data for EVENT_MICHAEL_MIC_FAILURE
+	 */
+	struct michael_mic_failure {
+		int unicast;
+		const u8 *src;
+	} michael_mic_failure;
+
+	/**
+	 * struct interface_status - Data for EVENT_INTERFACE_STATUS
+	 */
+	struct interface_status {
+		char ifname[100];
+		enum {
+			EVENT_INTERFACE_ADDED, EVENT_INTERFACE_REMOVED
+		} ievent;
+	} interface_status;
+
+	/**
+	 * struct pmkid_candidate - Data for EVENT_PMKID_CANDIDATE
+	 */
+	struct pmkid_candidate {
+		/** BSSID of the PMKID candidate */
+		u8 bssid[ETH_ALEN];
+		/** Smaller the index, higher the priority */
+		int index;
+		/** Whether RSN IE includes pre-authenticate flag */
+		int preauth;
+	} pmkid_candidate;
+
+	/**
+	 * struct stkstart - Data for EVENT_STKSTART
+	 */
+	struct stkstart {
+		u8 peer[ETH_ALEN];
+	} stkstart;
+
+	/**
+	 * struct tdls - Data for EVENT_TDLS
+	 */
+	struct tdls {
+		u8 peer[ETH_ALEN];
+		enum {
+			TDLS_REQUEST_SETUP,
+			TDLS_REQUEST_TEARDOWN
+		} oper;
+		u16 reason_code; /* for teardown */
+	} tdls;
+
+	/**
+	 * struct ft_ies - FT information elements (EVENT_FT_RESPONSE)
+	 *
+	 * During FT (IEEE 802.11r) authentication sequence, the driver is
+	 * expected to use this event to report received FT IEs (MDIE, FTIE,
+	 * RSN IE, TIE, possible resource request) to the supplicant. The FT
+	 * IEs for the next message will be delivered through the
+	 * struct wpa_driver_ops::update_ft_ies() callback.
+	 */
+	struct ft_ies {
+		const u8 *ies;
+		size_t ies_len;
+		int ft_action;
+		u8 target_ap[ETH_ALEN];
+		/** Optional IE(s), e.g., WMM TSPEC(s), for RIC-Request */
+		const u8 *ric_ies;
+		/** Length of ric_ies buffer in octets */
+		size_t ric_ies_len;
+	} ft_ies;
+
+	/**
+	 * struct ibss_rsn_start - Data for EVENT_IBSS_RSN_START
+	 */
+	struct ibss_rsn_start {
+		u8 peer[ETH_ALEN];
+	} ibss_rsn_start;
+
+	/**
+	 * struct auth_info - Data for EVENT_AUTH events
+	 */
+	struct auth_info {
+		u8 peer[ETH_ALEN];
+		u16 auth_type;
+		u16 status_code;
+		const u8 *ies;
+		size_t ies_len;
+	} auth;
+
+	/**
+	 * struct assoc_reject - Data for EVENT_ASSOC_REJECT events
+	 */
+	struct assoc_reject {
+		/**
+		 * bssid - BSSID of the AP that rejected association
+		 */
+		const u8 *bssid;
+
+		/**
+		 * resp_ies - (Re)Association Response IEs
+		 *
+		 * Optional association data from the driver. This data is not
+		 * required WPA, but may be useful for some protocols and as
+		 * such, should be reported if this is available to the driver
+		 * interface.
+		 *
+		 * This should start with the first IE (fixed fields before IEs
+		 * are not included).
+		 */
+		const u8 *resp_ies;
+
+		/**
+		 * resp_ies_len - Length of resp_ies in bytes
+		 */
+		size_t resp_ies_len;
+
+		/**
+		 * status_code - Status Code from (Re)association Response
+		 */
+		u16 status_code;
+	} assoc_reject;
+
+	struct timeout_event {
+		u8 addr[ETH_ALEN];
+	} timeout_event;
+
+	/**
+	 * struct ft_rrb_rx - Data for EVENT_FT_RRB_RX events
+	 */
+	struct ft_rrb_rx {
+		const u8 *src;
+		const u8 *data;
+		size_t data_len;
+	} ft_rrb_rx;
+
+	/**
+	 * struct tx_status - Data for EVENT_TX_STATUS events
+	 */
+	struct tx_status {
+		u16 type;
+		u16 stype;
+		const u8 *dst;
+		const u8 *data;
+		size_t data_len;
+		int ack;
+	} tx_status;
+
+	/**
+	 * struct rx_from_unknown - Data for EVENT_RX_FROM_UNKNOWN events
+	 */
+	struct rx_from_unknown {
+		const u8 *frame;
+		size_t len;
+	} rx_from_unknown;
+
+	/**
+	 * struct rx_mgmt - Data for EVENT_RX_MGMT events
+	 */
+	struct rx_mgmt {
+		const u8 *frame;
+		size_t frame_len;
+		u32 datarate;
+		u32 ssi_signal;
+	} rx_mgmt;
+
+	/**
+	 * struct rx_action - Data for EVENT_RX_ACTION events
+	 */
+	struct rx_action {
+		/**
+		 * da - Destination address of the received Action frame
+		 */
+		const u8 *da;
+
+		/**
+		 * sa - Source address of the received Action frame
+		 */
+		const u8 *sa;
+
+		/**
+		 * bssid - Address 3 of the received Action frame
+		 */
+		const u8 *bssid;
+
+		/**
+		 * category - Action frame category
+		 */
+		u8 category;
+
+		/**
+		 * data - Action frame body after category field
+		 */
+		const u8 *data;
+
+		/**
+		 * len - Length of data in octets
+		 */
+		size_t len;
+
+		/**
+		 * freq - Frequency (in MHz) on which the frame was received
+		 */
+		int freq;
+	} rx_action;
+
+	/**
+	 * struct remain_on_channel - Data for EVENT_REMAIN_ON_CHANNEL events
+	 *
+	 * This is also used with EVENT_CANCEL_REMAIN_ON_CHANNEL events.
+	 */
+	struct remain_on_channel {
+		/**
+		 * freq - Channel frequency in MHz
+		 */
+		unsigned int freq;
+
+		/**
+		 * duration - Duration to remain on the channel in milliseconds
+		 */
+		unsigned int duration;
+	} remain_on_channel;
+
+	/**
+	 * struct scan_info - Optional data for EVENT_SCAN_RESULTS events
+	 * @aborted: Whether the scan was aborted
+	 * @freqs: Scanned frequencies in MHz (%NULL = all channels scanned)
+	 * @num_freqs: Number of entries in freqs array
+	 * @ssids: Scanned SSIDs (%NULL or zero-length SSID indicates wildcard
+	 *	SSID)
+	 * @num_ssids: Number of entries in ssids array
+	 */
+	struct scan_info {
+		int aborted;
+		const int *freqs;
+		size_t num_freqs;
+		struct wpa_driver_scan_ssid ssids[WPAS_MAX_SCAN_SSIDS];
+		size_t num_ssids;
+	} scan_info;
+
+	/**
+	 * struct mlme_rx - Data for EVENT_MLME_RX events
+	 */
+	struct mlme_rx {
+		const u8 *buf;
+		size_t len;
+		int freq;
+		int channel;
+		int ssi;
+	} mlme_rx;
+
+	/**
+	 * struct rx_probe_req - Data for EVENT_RX_PROBE_REQ events
+	 */
+	struct rx_probe_req {
+		/**
+		 * sa - Source address of the received Probe Request frame
+		 */
+		const u8 *sa;
+
+		/**
+		 * ie - IEs from the Probe Request body
+		 */
+		const u8 *ie;
+
+		/**
+		 * ie_len - Length of ie buffer in octets
+		 */
+		size_t ie_len;
+	} rx_probe_req;
+
+	/**
+	 * struct new_sta - Data for EVENT_NEW_STA events
+	 */
+	struct new_sta {
+		const u8 *addr;
+	} new_sta;
+
+	/**
+	 * struct eapol_rx - Data for EVENT_EAPOL_RX events
+	 */
+	struct eapol_rx {
+		const u8 *src;
+		const u8 *data;
+		size_t data_len;
+	} eapol_rx;
+
+	/**
+	 * signal_change - Data for EVENT_SIGNAL_CHANGE events
+	 */
+	struct wpa_signal_info signal_change;
+
+	/**
+	 * struct best_channel - Data for EVENT_BEST_CHANNEL events
+	 * @freq_24: Best 2.4 GHz band channel frequency in MHz
+	 * @freq_5: Best 5 GHz band channel frequency in MHz
+	 * @freq_overall: Best channel frequency in MHz
+	 *
+	 * 0 can be used to indicate no preference in either band.
+	 */
+	struct best_channel {
+		int freq_24;
+		int freq_5;
+		int freq_overall;
+	} best_chan;
+
+	struct unprot_deauth {
+		const u8 *sa;
+		const u8 *da;
+		u16 reason_code;
+	} unprot_deauth;
+
+	struct unprot_disassoc {
+		const u8 *sa;
+		const u8 *da;
+		u16 reason_code;
+	} unprot_disassoc;
+
+	/**
+	 * struct low_ack - Data for EVENT_STATION_LOW_ACK events
+	 * @addr: station address
+	 */
+	struct low_ack {
+		u8 addr[ETH_ALEN];
+	} low_ack;
+
+	/**
+	 * struct p2p_dev_found - Data for EVENT_P2P_DEV_FOUND
+	 */
+	struct p2p_dev_found {
+		const u8 *addr;
+		const u8 *dev_addr;
+		const u8 *pri_dev_type;
+		const char *dev_name;
+		u16 config_methods;
+		u8 dev_capab;
+		u8 group_capab;
+	} p2p_dev_found;
+
+	/**
+	 * struct p2p_go_neg_req_rx - Data for EVENT_P2P_GO_NEG_REQ_RX
+	 */
+	struct p2p_go_neg_req_rx {
+		const u8 *src;
+		u16 dev_passwd_id;
+	} p2p_go_neg_req_rx;
+
+	/**
+	 * struct p2p_go_neg_completed - Data for EVENT_P2P_GO_NEG_COMPLETED
+	 */
+	struct p2p_go_neg_completed {
+		struct p2p_go_neg_results *res;
+	} p2p_go_neg_completed;
+
+	struct p2p_prov_disc_req {
+		const u8 *peer;
+		u16 config_methods;
+		const u8 *dev_addr;
+		const u8 *pri_dev_type;
+		const char *dev_name;
+		u16 supp_config_methods;
+		u8 dev_capab;
+		u8 group_capab;
+	} p2p_prov_disc_req;
+
+	struct p2p_prov_disc_resp {
+		const u8 *peer;
+		u16 config_methods;
+	} p2p_prov_disc_resp;
+
+	struct p2p_sd_req {
+		int freq;
+		const u8 *sa;
+		u8 dialog_token;
+		u16 update_indic;
+		const u8 *tlvs;
+		size_t tlvs_len;
+	} p2p_sd_req;
+
+	struct p2p_sd_resp {
+		const u8 *sa;
+		u16 update_indic;
+		const u8 *tlvs;
+		size_t tlvs_len;
+	} p2p_sd_resp;
+
+	/**
+	 * struct ibss_peer_lost - Data for EVENT_IBSS_PEER_LOST
+	 */
+	struct ibss_peer_lost {
+		u8 peer[ETH_ALEN];
+	} ibss_peer_lost;
+};
+
+/**
+ * wpa_supplicant_event - Report a driver event for wpa_supplicant
+ * @ctx: Context pointer (wpa_s); this is the ctx variable registered
+ *	with struct wpa_driver_ops::init()
+ * @event: event type (defined above)
+ * @data: possible extra data for the event
+ *
+ * Driver wrapper code should call this function whenever an event is received
+ * from the driver.
+ */
+void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
+			  union wpa_event_data *data);
+
+
+/*
+ * The following inline functions are provided for convenience to simplify
+ * event indication for some of the common events.
+ */
+
+static inline void drv_event_assoc(void *ctx, const u8 *addr, const u8 *ie,
+				   size_t ielen, int reassoc)
+{
+	union wpa_event_data event;
+	os_memset(&event, 0, sizeof(event));
+	event.assoc_info.reassoc = reassoc;
+	event.assoc_info.req_ies = ie;
+	event.assoc_info.req_ies_len = ielen;
+	event.assoc_info.addr = addr;
+	wpa_supplicant_event(ctx, EVENT_ASSOC, &event);
+}
+
+static inline void drv_event_disassoc(void *ctx, const u8 *addr)
+{
+	union wpa_event_data event;
+	os_memset(&event, 0, sizeof(event));
+	event.disassoc_info.addr = addr;
+	wpa_supplicant_event(ctx, EVENT_DISASSOC, &event);
+}
+
+static inline void drv_event_eapol_rx(void *ctx, const u8 *src, const u8 *data,
+				      size_t data_len)
+{
+	union wpa_event_data event;
+	os_memset(&event, 0, sizeof(event));
+	event.eapol_rx.src = src;
+	event.eapol_rx.data = data;
+	event.eapol_rx.data_len = data_len;
+	wpa_supplicant_event(ctx, EVENT_EAPOL_RX, &event);
+}
+
+#endif /* DRIVER_H */
diff --git a/src/drivers/driver_atheros.c b/src/drivers/driver_atheros.c
new file mode 100644
index 0000000..6ac1cea
--- /dev/null
+++ b/src/drivers/driver_atheros.c
@@ -0,0 +1,1381 @@
+/*
+ * hostapd / Driver interaction with Atheros driver
+ * Copyright (c) 2004, Sam Leffler <sam@errno.com>
+ * Copyright (c) 2004, Video54 Technologies
+ * Copyright (c) 2005-2007, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2009, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <net/if.h>
+#include <sys/ioctl.h>
+
+#include "common.h"
+#ifndef _BYTE_ORDER
+#ifdef WORDS_BIGENDIAN
+#define _BYTE_ORDER _BIG_ENDIAN
+#else
+#define _BYTE_ORDER _LITTLE_ENDIAN
+#endif
+#endif /* _BYTE_ORDER */
+
+/*
+ * Note, the ATH_WPS_IE setting must match with the driver build.. If the
+ * driver does not include this, the IEEE80211_IOCTL_GETWPAIE ioctl will fail.
+ */
+#define ATH_WPS_IE
+
+#include "os/linux/include/ieee80211_external.h"
+
+
+#ifdef CONFIG_WPS
+#include <netpacket/packet.h>
+
+#ifndef ETH_P_80211_RAW
+#define ETH_P_80211_RAW 0x0019
+#endif
+#endif /* CONFIG_WPS */
+
+#include "wireless_copy.h"
+
+#include "driver.h"
+#include "eloop.h"
+#include "priv_netlink.h"
+#include "l2_packet/l2_packet.h"
+#include "common/ieee802_11_defs.h"
+#include "netlink.h"
+#include "linux_ioctl.h"
+
+
+struct atheros_driver_data {
+	struct hostapd_data *hapd;		/* back pointer */
+
+	char	iface[IFNAMSIZ + 1];
+	int     ifindex;
+	struct l2_packet_data *sock_xmit;	/* raw packet xmit socket */
+	struct l2_packet_data *sock_recv;	/* raw packet recv socket */
+	int	ioctl_sock;			/* socket for ioctl() use */
+	struct netlink_data *netlink;
+	int	we_version;
+	u8	acct_mac[ETH_ALEN];
+	struct hostap_sta_driver_data acct_data;
+
+	struct l2_packet_data *sock_raw; /* raw 802.11 management frames */
+	struct wpabuf *wpa_ie;
+	struct wpabuf *wps_beacon_ie;
+	struct wpabuf *wps_probe_resp_ie;
+};
+
+static int atheros_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
+			      int reason_code);
+static int atheros_set_privacy(void *priv, int enabled);
+
+static const char * athr_get_ioctl_name(int op)
+{
+	switch (op) {
+	case IEEE80211_IOCTL_SETPARAM:
+		return "SETPARAM";
+	case IEEE80211_IOCTL_GETPARAM:
+		return "GETPARAM";
+	case IEEE80211_IOCTL_SETKEY:
+		return "SETKEY";
+	case IEEE80211_IOCTL_SETWMMPARAMS:
+		return "SETWMMPARAMS";
+	case IEEE80211_IOCTL_DELKEY:
+		return "DELKEY";
+	case IEEE80211_IOCTL_GETWMMPARAMS:
+		return "GETWMMPARAMS";
+	case IEEE80211_IOCTL_SETMLME:
+		return "SETMLME";
+	case IEEE80211_IOCTL_GETCHANINFO:
+		return "GETCHANINFO";
+	case IEEE80211_IOCTL_SETOPTIE:
+		return "SETOPTIE";
+	case IEEE80211_IOCTL_GETOPTIE:
+		return "GETOPTIE";
+	case IEEE80211_IOCTL_ADDMAC:
+		return "ADDMAC";
+	case IEEE80211_IOCTL_DELMAC:
+		return "DELMAC";
+	case IEEE80211_IOCTL_GETCHANLIST:
+		return "GETCHANLIST";
+	case IEEE80211_IOCTL_SETCHANLIST:
+		return "SETCHANLIST";
+	case IEEE80211_IOCTL_KICKMAC:
+		return "KICKMAC";
+	case IEEE80211_IOCTL_CHANSWITCH:
+		return "CHANSWITCH";
+	case IEEE80211_IOCTL_GETMODE:
+		return "GETMODE";
+	case IEEE80211_IOCTL_SETMODE:
+		return "SETMODE";
+	case IEEE80211_IOCTL_GET_APPIEBUF:
+		return "GET_APPIEBUF";
+	case IEEE80211_IOCTL_SET_APPIEBUF:
+		return "SET_APPIEBUF";
+	case IEEE80211_IOCTL_SET_ACPARAMS:
+		return "SET_ACPARAMS";
+	case IEEE80211_IOCTL_FILTERFRAME:
+		return "FILTERFRAME";
+	case IEEE80211_IOCTL_SET_RTPARAMS:
+		return "SET_RTPARAMS";
+	case IEEE80211_IOCTL_SET_MEDENYENTRY:
+		return "SET_MEDENYENTRY";
+	case IEEE80211_IOCTL_GET_MACADDR:
+		return "GET_MACADDR";
+	case IEEE80211_IOCTL_SET_HBRPARAMS:
+		return "SET_HBRPARAMS";
+	case IEEE80211_IOCTL_SET_RXTIMEOUT:
+		return "SET_RXTIMEOUT";
+	case IEEE80211_IOCTL_STA_STATS:
+		return "STA_STATS";
+	case IEEE80211_IOCTL_GETWPAIE:
+		return "GETWPAIE";
+	default:
+		return "??";
+	}
+}
+
+
+static const char * athr_get_param_name(int op)
+{
+	switch (op) {
+	case IEEE80211_IOC_MCASTCIPHER:
+		return "MCASTCIPHER";
+	case IEEE80211_PARAM_MCASTKEYLEN:
+		return "MCASTKEYLEN";
+	case IEEE80211_PARAM_UCASTCIPHERS:
+		return "UCASTCIPHERS";
+	case IEEE80211_PARAM_KEYMGTALGS:
+		return "KEYMGTALGS";
+	case IEEE80211_PARAM_RSNCAPS:
+		return "RSNCAPS";
+	case IEEE80211_PARAM_WPA:
+		return "WPA";
+	case IEEE80211_PARAM_AUTHMODE:
+		return "AUTHMODE";
+	case IEEE80211_PARAM_PRIVACY:
+		return "PRIVACY";
+	case IEEE80211_PARAM_COUNTERMEASURES:
+		return "COUNTERMEASURES";
+	default:
+		return "??";
+	}
+}
+
+
+static int
+set80211priv(struct atheros_driver_data *drv, int op, void *data, int len)
+{
+	struct iwreq iwr;
+	int do_inline = len < IFNAMSIZ;
+
+	/* Certain ioctls must use the non-inlined method */
+	if (op == IEEE80211_IOCTL_SET_APPIEBUF ||
+	    op == IEEE80211_IOCTL_FILTERFRAME)
+		do_inline = 0;
+
+	memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+	if (do_inline) {
+		/*
+		 * Argument data fits inline; put it there.
+		 */
+		memcpy(iwr.u.name, data, len);
+	} else {
+		/*
+		 * Argument data too big for inline transfer; setup a
+		 * parameter block instead; the kernel will transfer
+		 * the data for the driver.
+		 */
+		iwr.u.data.pointer = data;
+		iwr.u.data.length = len;
+	}
+
+	if (ioctl(drv->ioctl_sock, op, &iwr) < 0) {
+		wpa_printf(MSG_DEBUG, "atheros: %s: %s: ioctl op=0x%x "
+			   "(%s) len=%d failed: %d (%s)",
+			   __func__, drv->iface, op,
+			   athr_get_ioctl_name(op),
+			   len, errno, strerror(errno));
+		return -1;
+	}
+	return 0;
+}
+
+static int
+set80211param(struct atheros_driver_data *drv, int op, int arg)
+{
+	struct iwreq iwr;
+
+	memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+	iwr.u.mode = op;
+	memcpy(iwr.u.name+sizeof(__u32), &arg, sizeof(arg));
+
+	if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
+		perror("ioctl[IEEE80211_IOCTL_SETPARAM]");
+		wpa_printf(MSG_DEBUG, "%s: %s: Failed to set parameter (op %d "
+			   "(%s) arg %d)", __func__, drv->iface, op,
+			   athr_get_param_name(op), arg);
+		return -1;
+	}
+	return 0;
+}
+
+#ifndef CONFIG_NO_STDOUT_DEBUG
+static const char *
+ether_sprintf(const u8 *addr)
+{
+	static char buf[sizeof(MACSTR)];
+
+	if (addr != NULL)
+		snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
+	else
+		snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
+	return buf;
+}
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+
+/*
+ * Configure WPA parameters.
+ */
+static int
+atheros_configure_wpa(struct atheros_driver_data *drv,
+		      struct wpa_bss_params *params)
+{
+	int v;
+
+	switch (params->wpa_group) {
+	case WPA_CIPHER_CCMP:
+		v = IEEE80211_CIPHER_AES_CCM;
+		break;
+	case WPA_CIPHER_TKIP:
+		v = IEEE80211_CIPHER_TKIP;
+		break;
+	case WPA_CIPHER_WEP104:
+		v = IEEE80211_CIPHER_WEP;
+		break;
+	case WPA_CIPHER_WEP40:
+		v = IEEE80211_CIPHER_WEP;
+		break;
+	case WPA_CIPHER_NONE:
+		v = IEEE80211_CIPHER_NONE;
+		break;
+	default:
+		wpa_printf(MSG_ERROR, "Unknown group key cipher %u",
+			   params->wpa_group);
+		return -1;
+	}
+	wpa_printf(MSG_DEBUG, "%s: group key cipher=%d", __func__, v);
+	if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) {
+		printf("Unable to set group key cipher to %u\n", v);
+		return -1;
+	}
+	if (v == IEEE80211_CIPHER_WEP) {
+		/* key length is done only for specific ciphers */
+		v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
+		if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) {
+			printf("Unable to set group key length to %u\n", v);
+			return -1;
+		}
+	}
+
+	v = 0;
+	if (params->wpa_pairwise & WPA_CIPHER_CCMP)
+		v |= 1<<IEEE80211_CIPHER_AES_CCM;
+	if (params->wpa_pairwise & WPA_CIPHER_TKIP)
+		v |= 1<<IEEE80211_CIPHER_TKIP;
+	if (params->wpa_pairwise & WPA_CIPHER_NONE)
+		v |= 1<<IEEE80211_CIPHER_NONE;
+	wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
+	if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) {
+		printf("Unable to set pairwise key ciphers to 0x%x\n", v);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
+		   __func__, params->wpa_key_mgmt);
+	if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS,
+			  params->wpa_key_mgmt)) {
+		printf("Unable to set key management algorithms to 0x%x\n",
+			params->wpa_key_mgmt);
+		return -1;
+	}
+
+	v = 0;
+	if (params->rsn_preauth)
+		v |= BIT(0);
+#ifdef CONFIG_IEEE80211W
+	if (params->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
+		v |= BIT(7);
+		if (params->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED)
+			v |= BIT(6);
+	}
+#endif /* CONFIG_IEEE80211W */
+
+	wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
+		   __func__, params->rsn_preauth);
+	if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) {
+		printf("Unable to set RSN capabilities to 0x%x\n", v);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "%s: enable WPA=0x%x", __func__, params->wpa);
+	if (set80211param(drv, IEEE80211_PARAM_WPA, params->wpa)) {
+		printf("Unable to set WPA to %u\n", params->wpa);
+		return -1;
+	}
+	return 0;
+}
+
+static int
+atheros_set_ieee8021x(void *priv, struct wpa_bss_params *params)
+{
+	struct atheros_driver_data *drv = priv;
+
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
+
+	if (!params->enabled) {
+		/* XXX restore state */
+		if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
+				  IEEE80211_AUTH_AUTO) < 0)
+			return -1;
+		/* IEEE80211_AUTH_AUTO ends up enabling Privacy; clear that */
+		return atheros_set_privacy(drv, 0);
+	}
+	if (!params->wpa && !params->ieee802_1x) {
+		hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
+			HOSTAPD_LEVEL_WARNING, "No 802.1X or WPA enabled!");
+		return -1;
+	}
+	if (params->wpa && atheros_configure_wpa(drv, params) != 0) {
+		hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
+			HOSTAPD_LEVEL_WARNING, "Error configuring WPA state!");
+		return -1;
+	}
+	if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
+		(params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
+		hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
+			HOSTAPD_LEVEL_WARNING, "Error enabling WPA/802.1X!");
+		return -1;
+	}
+
+	return 0;
+}
+
+static int
+atheros_set_privacy(void *priv, int enabled)
+{
+	struct atheros_driver_data *drv = priv;
+
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
+
+	return set80211param(drv, IEEE80211_PARAM_PRIVACY, enabled);
+}
+
+static int
+atheros_set_sta_authorized(void *priv, const u8 *addr, int authorized)
+{
+	struct atheros_driver_data *drv = priv;
+	struct ieee80211req_mlme mlme;
+	int ret;
+
+	wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
+		   __func__, ether_sprintf(addr), authorized);
+
+	if (authorized)
+		mlme.im_op = IEEE80211_MLME_AUTHORIZE;
+	else
+		mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
+	mlme.im_reason = 0;
+	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
+	if (ret < 0) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR,
+			   __func__, authorized ? "" : "un", MAC2STR(addr));
+	}
+
+	return ret;
+}
+
+static int
+atheros_sta_set_flags(void *priv, const u8 *addr,
+		      int total_flags, int flags_or, int flags_and)
+{
+	/* For now, only support setting Authorized flag */
+	if (flags_or & WPA_STA_AUTHORIZED)
+		return atheros_set_sta_authorized(priv, addr, 1);
+	if (!(flags_and & WPA_STA_AUTHORIZED))
+		return atheros_set_sta_authorized(priv, addr, 0);
+	return 0;
+}
+
+static int
+atheros_del_key(void *priv, const u8 *addr, int key_idx)
+{
+	struct atheros_driver_data *drv = priv;
+	struct ieee80211req_del_key wk;
+	int ret;
+
+	wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
+		   __func__, ether_sprintf(addr), key_idx);
+
+	memset(&wk, 0, sizeof(wk));
+	if (addr != NULL) {
+		memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
+		wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE;
+	} else {
+		wk.idk_keyix = key_idx;
+	}
+
+	ret = set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk));
+	if (ret < 0) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to delete key (addr %s"
+			   " key_idx %d)", __func__, ether_sprintf(addr),
+			   key_idx);
+	}
+
+	return ret;
+}
+
+static int
+atheros_set_key(const char *ifname, void *priv, enum wpa_alg alg,
+		const u8 *addr, int key_idx, int set_tx, const u8 *seq,
+		size_t seq_len, const u8 *key, size_t key_len)
+{
+	struct atheros_driver_data *drv = priv;
+	struct ieee80211req_key wk;
+	u_int8_t cipher;
+	int ret;
+
+	if (alg == WPA_ALG_NONE)
+		return atheros_del_key(drv, addr, key_idx);
+
+	wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d",
+		   __func__, alg, ether_sprintf(addr), key_idx);
+
+	switch (alg) {
+	case WPA_ALG_WEP:
+		cipher = IEEE80211_CIPHER_WEP;
+		break;
+	case WPA_ALG_TKIP:
+		cipher = IEEE80211_CIPHER_TKIP;
+		break;
+	case WPA_ALG_CCMP:
+		cipher = IEEE80211_CIPHER_AES_CCM;
+		break;
+#ifdef CONFIG_IEEE80211W
+	case WPA_ALG_IGTK:
+		cipher = IEEE80211_CIPHER_AES_CMAC;
+		break;
+#endif /* CONFIG_IEEE80211W */
+	default:
+		printf("%s: unknown/unsupported algorithm %d\n",
+			__func__, alg);
+		return -1;
+	}
+
+	if (key_len > sizeof(wk.ik_keydata)) {
+		printf("%s: key length %lu too big\n", __func__,
+		       (unsigned long) key_len);
+		return -3;
+	}
+
+	memset(&wk, 0, sizeof(wk));
+	wk.ik_type = cipher;
+	wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
+	if (addr == NULL || is_broadcast_ether_addr(addr)) {
+		memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
+		wk.ik_keyix = key_idx;
+		if (set_tx)
+			wk.ik_flags |= IEEE80211_KEY_DEFAULT;
+	} else {
+		memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
+		wk.ik_keyix = IEEE80211_KEYIX_NONE;
+	}
+	wk.ik_keylen = key_len;
+	memcpy(wk.ik_keydata, key, key_len);
+
+	ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk));
+	if (ret < 0) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to set key (addr %s"
+			   " key_idx %d alg %d key_len %lu set_tx %d)",
+			   __func__, ether_sprintf(wk.ik_macaddr), key_idx,
+			   alg, (unsigned long) key_len, set_tx);
+	}
+
+	return ret;
+}
+
+
+static int
+atheros_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
+		   u8 *seq)
+{
+	struct atheros_driver_data *drv = priv;
+	struct ieee80211req_key wk;
+
+	wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
+		   __func__, ether_sprintf(addr), idx);
+
+	memset(&wk, 0, sizeof(wk));
+	if (addr == NULL)
+		memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
+	else
+		memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
+	wk.ik_keyix = idx;
+
+	if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to get encryption data "
+			   "(addr " MACSTR " key_idx %d)",
+			   __func__, MAC2STR(wk.ik_macaddr), idx);
+		return -1;
+	}
+
+#ifdef WORDS_BIGENDIAN
+	{
+		/*
+		 * wk.ik_keytsc is in host byte order (big endian), need to
+		 * swap it to match with the byte order used in WPA.
+		 */
+		int i;
+#ifndef WPA_KEY_RSC_LEN
+#define WPA_KEY_RSC_LEN 8
+#endif
+		u8 tmp[WPA_KEY_RSC_LEN];
+		memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
+		for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
+			seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
+		}
+	}
+#else /* WORDS_BIGENDIAN */
+	memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
+#endif /* WORDS_BIGENDIAN */
+	return 0;
+}
+
+
+static int
+atheros_flush(void *priv)
+{
+	u8 allsta[IEEE80211_ADDR_LEN];
+	memset(allsta, 0xff, IEEE80211_ADDR_LEN);
+	return atheros_sta_deauth(priv, NULL, allsta,
+				  IEEE80211_REASON_AUTH_LEAVE);
+}
+
+
+static int
+atheros_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
+			     const u8 *addr)
+{
+	struct atheros_driver_data *drv = priv;
+	struct ieee80211req_sta_stats stats;
+
+	memset(data, 0, sizeof(*data));
+
+	/*
+	 * Fetch statistics for station from the system.
+	 */
+	memset(&stats, 0, sizeof(stats));
+	memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
+	if (set80211priv(drv, IEEE80211_IOCTL_STA_STATS,
+			 &stats, sizeof(stats))) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr "
+			   MACSTR ")", __func__, MAC2STR(addr));
+		if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
+			memcpy(data, &drv->acct_data, sizeof(*data));
+			return 0;
+		}
+
+		printf("Failed to get station stats information element.\n");
+		return -1;
+	}
+
+	data->rx_packets = stats.is_stats.ns_rx_data;
+	data->rx_bytes = stats.is_stats.ns_rx_bytes;
+	data->tx_packets = stats.is_stats.ns_tx_data;
+	data->tx_bytes = stats.is_stats.ns_tx_bytes;
+	return 0;
+}
+
+
+static int
+atheros_sta_clear_stats(void *priv, const u8 *addr)
+{
+	struct atheros_driver_data *drv = priv;
+	struct ieee80211req_mlme mlme;
+	int ret;
+
+	wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr));
+
+	mlme.im_op = IEEE80211_MLME_CLEAR_STATS;
+	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
+			   sizeof(mlme));
+	if (ret < 0) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to clear STA stats (addr "
+			   MACSTR ")", __func__, MAC2STR(addr));
+	}
+
+	return ret;
+}
+
+
+static int
+atheros_set_opt_ie(void *priv, const u8 *ie, size_t ie_len)
+{
+	struct atheros_driver_data *drv = priv;
+	u8 buf[512];
+	struct ieee80211req_getset_appiebuf *app_ie;
+
+	wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__,
+		   (unsigned long) ie_len);
+
+	wpabuf_free(drv->wpa_ie);
+	drv->wpa_ie = wpabuf_alloc_copy(ie, ie_len);
+
+	app_ie = (struct ieee80211req_getset_appiebuf *) buf;
+	os_memcpy(&(app_ie->app_buf[0]), ie, ie_len);
+	app_ie->app_buflen = ie_len;
+
+	app_ie->app_frmtype = IEEE80211_APPIE_FRAME_BEACON;
+
+	/* append WPS IE for Beacon */
+	if (drv->wps_beacon_ie != NULL) {
+		os_memcpy(&(app_ie->app_buf[ie_len]),
+			  wpabuf_head(drv->wps_beacon_ie),
+			  wpabuf_len(drv->wps_beacon_ie));
+		app_ie->app_buflen = ie_len + wpabuf_len(drv->wps_beacon_ie);
+	}
+	set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, app_ie,
+		     sizeof(struct ieee80211req_getset_appiebuf) +
+		     app_ie->app_buflen);
+
+	/* append WPS IE for Probe Response */
+	app_ie->app_frmtype = IEEE80211_APPIE_FRAME_PROBE_RESP;
+	if (drv->wps_probe_resp_ie != NULL) {
+		os_memcpy(&(app_ie->app_buf[ie_len]),
+			  wpabuf_head(drv->wps_probe_resp_ie),
+			  wpabuf_len(drv->wps_probe_resp_ie));
+		app_ie->app_buflen = ie_len +
+			wpabuf_len(drv->wps_probe_resp_ie);
+	} else
+		app_ie->app_buflen = ie_len;
+	set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, app_ie,
+		     sizeof(struct ieee80211req_getset_appiebuf) +
+		     app_ie->app_buflen);
+	return 0;
+}
+
+static int
+atheros_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
+		   int reason_code)
+{
+	struct atheros_driver_data *drv = priv;
+	struct ieee80211req_mlme mlme;
+	int ret;
+
+	wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
+		   __func__, ether_sprintf(addr), reason_code);
+
+	mlme.im_op = IEEE80211_MLME_DEAUTH;
+	mlme.im_reason = reason_code;
+	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
+	if (ret < 0) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR
+			   " reason %d)",
+			   __func__, MAC2STR(addr), reason_code);
+	}
+
+	return ret;
+}
+
+static int
+atheros_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
+		     int reason_code)
+{
+	struct atheros_driver_data *drv = priv;
+	struct ieee80211req_mlme mlme;
+	int ret;
+
+	wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
+		   __func__, ether_sprintf(addr), reason_code);
+
+	mlme.im_op = IEEE80211_MLME_DISASSOC;
+	mlme.im_reason = reason_code;
+	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
+	if (ret < 0) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr "
+			   MACSTR " reason %d)",
+			   __func__, MAC2STR(addr), reason_code);
+	}
+
+	return ret;
+}
+
+#ifdef CONFIG_WPS
+static void atheros_raw_receive(void *ctx, const u8 *src_addr, const u8 *buf,
+				size_t len)
+{
+	struct atheros_driver_data *drv = ctx;
+	const struct ieee80211_mgmt *mgmt;
+	u16 fc;
+	union wpa_event_data event;
+
+	/* Send Probe Request information to WPS processing */
+
+	if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req))
+		return;
+	mgmt = (const struct ieee80211_mgmt *) buf;
+
+	fc = le_to_host16(mgmt->frame_control);
+	if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
+	    WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_PROBE_REQ)
+		return;
+
+	os_memset(&event, 0, sizeof(event));
+	event.rx_probe_req.sa = mgmt->sa;
+	event.rx_probe_req.ie = mgmt->u.probe_req.variable;
+	event.rx_probe_req.ie_len =
+		len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req));
+	wpa_supplicant_event(drv->hapd, EVENT_RX_PROBE_REQ, &event);
+}
+#endif /* CONFIG_WPS */
+
+static int atheros_receive_probe_req(struct atheros_driver_data *drv)
+{
+	int ret = 0;
+#ifdef CONFIG_WPS
+	struct ieee80211req_set_filter filt;
+
+	wpa_printf(MSG_DEBUG, "%s Enter", __func__);
+	filt.app_filterype = IEEE80211_FILTER_TYPE_PROBE_REQ;
+
+	ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
+			   sizeof(struct ieee80211req_set_filter));
+	if (ret)
+		return ret;
+
+	drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW,
+				       atheros_raw_receive, drv, 1);
+	if (drv->sock_raw == NULL)
+		return -1;
+#endif /* CONFIG_WPS */
+	return ret;
+}
+
+#ifdef CONFIG_WPS
+static int
+atheros_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype)
+{
+	struct atheros_driver_data *drv = priv;
+	u8 buf[512];
+	struct ieee80211req_getset_appiebuf *beac_ie;
+
+	wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__,
+		   (unsigned long) len);
+
+	beac_ie = (struct ieee80211req_getset_appiebuf *) buf;
+	beac_ie->app_frmtype = frametype;
+	beac_ie->app_buflen = len;
+	os_memcpy(&(beac_ie->app_buf[0]), ie, len);
+
+	/* append the WPA/RSN IE if it is set already */
+	if (((frametype == IEEE80211_APPIE_FRAME_BEACON) ||
+	     (frametype == IEEE80211_APPIE_FRAME_PROBE_RESP)) &&
+	    (drv->wpa_ie != NULL)) {
+		os_memcpy(&(beac_ie->app_buf[len]), wpabuf_head(drv->wpa_ie),
+			  wpabuf_len(drv->wpa_ie));
+		beac_ie->app_buflen += wpabuf_len(drv->wpa_ie);
+	}
+
+	return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie,
+			    sizeof(struct ieee80211req_getset_appiebuf) +
+			    beac_ie->app_buflen);
+}
+
+static int
+atheros_set_ap_wps_ie(void *priv, const struct wpabuf *beacon,
+		      const struct wpabuf *proberesp,
+		      const struct wpabuf *assocresp)
+{
+	struct atheros_driver_data *drv = priv;
+
+	wpabuf_free(drv->wps_beacon_ie);
+	drv->wps_beacon_ie = beacon ? wpabuf_dup(beacon) : NULL;
+	wpabuf_free(drv->wps_probe_resp_ie);
+	drv->wps_probe_resp_ie = proberesp ? wpabuf_dup(proberesp) : NULL;
+
+	atheros_set_wps_ie(priv, assocresp ? wpabuf_head(assocresp) : NULL,
+			   assocresp ? wpabuf_len(assocresp) : 0,
+			   IEEE80211_APPIE_FRAME_ASSOC_RESP);
+	if (atheros_set_wps_ie(priv, beacon ? wpabuf_head(beacon) : NULL,
+			       beacon ? wpabuf_len(beacon) : 0,
+			       IEEE80211_APPIE_FRAME_BEACON))
+		return -1;
+	return atheros_set_wps_ie(priv,
+				  proberesp ? wpabuf_head(proberesp) : NULL,
+				  proberesp ? wpabuf_len(proberesp): 0,
+				  IEEE80211_APPIE_FRAME_PROBE_RESP);
+}
+#else /* CONFIG_WPS */
+#define atheros_set_ap_wps_ie NULL
+#endif /* CONFIG_WPS */
+
+static void
+atheros_new_sta(struct atheros_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
+{
+	struct hostapd_data *hapd = drv->hapd;
+	struct ieee80211req_wpaie ie;
+	int ielen = 0;
+	u8 *iebuf = NULL;
+
+	/*
+	 * Fetch negotiated WPA/RSN parameters from the system.
+	 */
+	memset(&ie, 0, sizeof(ie));
+	memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
+	if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) {
+		/*
+		 * See ATH_WPS_IE comment in the beginning of the file for a
+		 * possible cause for the failure..
+		 */
+		wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE: %s",
+			   __func__, strerror(errno));
+		goto no_ie;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "atheros req WPA IE",
+		    ie.wpa_ie, IEEE80211_MAX_OPT_IE);
+	wpa_hexdump(MSG_MSGDUMP, "atheros req RSN IE",
+		    ie.rsn_ie, IEEE80211_MAX_OPT_IE);
+#ifdef ATH_WPS_IE
+	wpa_hexdump(MSG_MSGDUMP, "atheros req WPS IE",
+		    ie.wps_ie, IEEE80211_MAX_OPT_IE);
+#endif /* ATH_WPS_IE */
+	iebuf = ie.wpa_ie;
+	/* atheros seems to return some random data if WPA/RSN IE is not set.
+	 * Assume the IE was not included if the IE type is unknown. */
+	if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC)
+		iebuf[1] = 0;
+	if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) {
+		/* atheros-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not
+		 * set. This is needed for WPA2. */
+		iebuf = ie.rsn_ie;
+		if (iebuf[0] != WLAN_EID_RSN)
+			iebuf[1] = 0;
+	}
+
+	ielen = iebuf[1];
+
+#ifdef ATH_WPS_IE
+	/* if WPS IE is present, preference is given to WPS */
+	if (ie.wps_ie &&
+	    (ie.wps_ie[1] > 0 && (ie.wps_ie[0] == WLAN_EID_VENDOR_SPECIFIC))) {
+		iebuf = ie.wps_ie;
+		ielen = ie.wps_ie[1];
+	}
+#endif /* ATH_WPS_IE */
+
+	if (ielen == 0)
+		iebuf = NULL;
+	else
+		ielen += 2;
+
+no_ie:
+	drv_event_assoc(hapd, addr, iebuf, ielen, 0);
+
+	if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
+		/* Cached accounting data is not valid anymore. */
+		memset(drv->acct_mac, 0, ETH_ALEN);
+		memset(&drv->acct_data, 0, sizeof(drv->acct_data));
+	}
+}
+
+static void
+atheros_wireless_event_wireless_custom(struct atheros_driver_data *drv,
+				       char *custom, char *end)
+{
+	wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
+
+	if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
+		char *pos;
+		u8 addr[ETH_ALEN];
+		pos = strstr(custom, "addr=");
+		if (pos == NULL) {
+			wpa_printf(MSG_DEBUG,
+				   "MLME-MICHAELMICFAILURE.indication "
+				   "without sender address ignored");
+			return;
+		}
+		pos += 5;
+		if (hwaddr_aton(pos, addr) == 0) {
+			union wpa_event_data data;
+			os_memset(&data, 0, sizeof(data));
+			data.michael_mic_failure.unicast = 1;
+			data.michael_mic_failure.src = addr;
+			wpa_supplicant_event(drv->hapd,
+					     EVENT_MICHAEL_MIC_FAILURE, &data);
+		} else {
+			wpa_printf(MSG_DEBUG,
+				   "MLME-MICHAELMICFAILURE.indication "
+				   "with invalid MAC address");
+		}
+	} else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) {
+		char *key, *value;
+		u32 val;
+		key = custom;
+		while ((key = strchr(key, '\n')) != NULL) {
+			key++;
+			value = strchr(key, '=');
+			if (value == NULL)
+				continue;
+			*value++ = '\0';
+			val = strtoul(value, NULL, 10);
+			if (strcmp(key, "mac") == 0)
+				hwaddr_aton(value, drv->acct_mac);
+			else if (strcmp(key, "rx_packets") == 0)
+				drv->acct_data.rx_packets = val;
+			else if (strcmp(key, "tx_packets") == 0)
+				drv->acct_data.tx_packets = val;
+			else if (strcmp(key, "rx_bytes") == 0)
+				drv->acct_data.rx_bytes = val;
+			else if (strcmp(key, "tx_bytes") == 0)
+				drv->acct_data.tx_bytes = val;
+			key = value;
+		}
+#ifdef CONFIG_WPS
+	} else if (strncmp(custom, "PUSH-BUTTON.indication", 22) == 0) {
+		/* Some atheros kernels send push button as a wireless event */
+		/* PROBLEM! this event is received for ALL BSSs ...
+		 * so all are enabled for WPS... ugh.
+		 */
+		wpa_supplicant_event(drv->hapd, EVENT_WPS_BUTTON_PUSHED, NULL);
+	} else if (strncmp(custom, "Manage.prob_req ", 16) == 0) {
+		/*
+		 * Atheros driver uses a hack to pass Probe Request frames as a
+		 * binary data in the custom wireless event. The old way (using
+		 * packet sniffing) didn't work when bridging.
+		 * Format: "Manage.prob_req <frame len>" | zero padding | frame
+		 */
+#define WPS_FRAM_TAG_SIZE 30 /* hardcoded in driver */
+		int len = atoi(custom + 16);
+		if (len < 0 || custom + WPS_FRAM_TAG_SIZE + len > end) {
+			wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req event "
+				   "length %d", len);
+			return;
+		}
+		atheros_raw_receive(drv, NULL,
+				    (u8 *) custom + WPS_FRAM_TAG_SIZE, len);
+#endif /* CONFIG_WPS */
+	}
+}
+
+static void
+atheros_wireless_event_wireless(struct atheros_driver_data *drv,
+				char *data, int len)
+{
+	struct iw_event iwe_buf, *iwe = &iwe_buf;
+	char *pos, *end, *custom, *buf;
+
+	pos = data;
+	end = data + len;
+
+	while (pos + IW_EV_LCP_LEN <= end) {
+		/* Event data may be unaligned, so make a local, aligned copy
+		 * before processing. */
+		memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
+		wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d",
+			   iwe->cmd, iwe->len);
+		if (iwe->len <= IW_EV_LCP_LEN)
+			return;
+
+		custom = pos + IW_EV_POINT_LEN;
+		if (drv->we_version > 18 &&
+		    (iwe->cmd == IWEVMICHAELMICFAILURE ||
+		     iwe->cmd == IWEVASSOCREQIE ||
+		     iwe->cmd == IWEVCUSTOM)) {
+			/* WE-19 removed the pointer from struct iw_point */
+			char *dpos = (char *) &iwe_buf.u.data.length;
+			int dlen = dpos - (char *) &iwe_buf;
+			memcpy(dpos, pos + IW_EV_LCP_LEN,
+			       sizeof(struct iw_event) - dlen);
+		} else {
+			memcpy(&iwe_buf, pos, sizeof(struct iw_event));
+			custom += IW_EV_POINT_OFF;
+		}
+
+		switch (iwe->cmd) {
+		case IWEVEXPIRED:
+			drv_event_disassoc(drv->hapd,
+					   (u8 *) iwe->u.addr.sa_data);
+			break;
+		case IWEVREGISTERED:
+			atheros_new_sta(drv, (u8 *) iwe->u.addr.sa_data);
+			break;
+		case IWEVASSOCREQIE:
+			/* Driver hack.. Use IWEVASSOCREQIE to bypass
+			 * IWEVCUSTOM size limitations. Need to handle this
+			 * just like IWEVCUSTOM.
+			 */
+		case IWEVCUSTOM:
+			if (custom + iwe->u.data.length > end)
+				return;
+			buf = malloc(iwe->u.data.length + 1);
+			if (buf == NULL)
+				return;		/* XXX */
+			memcpy(buf, custom, iwe->u.data.length);
+			buf[iwe->u.data.length] = '\0';
+			atheros_wireless_event_wireless_custom(
+				drv, buf, buf + iwe->u.data.length);
+			free(buf);
+			break;
+		}
+
+		pos += iwe->len;
+	}
+}
+
+
+static void
+atheros_wireless_event_rtm_newlink(void *ctx,
+				   struct ifinfomsg *ifi, u8 *buf, size_t len)
+{
+	struct atheros_driver_data *drv = ctx;
+	int attrlen, rta_len;
+	struct rtattr *attr;
+
+	if (ifi->ifi_index != drv->ifindex)
+		return;
+
+	attrlen = len;
+	attr = (struct rtattr *) buf;
+
+	rta_len = RTA_ALIGN(sizeof(struct rtattr));
+	while (RTA_OK(attr, attrlen)) {
+		if (attr->rta_type == IFLA_WIRELESS) {
+			atheros_wireless_event_wireless(
+				drv, ((char *) attr) + rta_len,
+				attr->rta_len - rta_len);
+		}
+		attr = RTA_NEXT(attr, attrlen);
+	}
+}
+
+
+static int
+atheros_get_we_version(struct atheros_driver_data *drv)
+{
+	struct iw_range *range;
+	struct iwreq iwr;
+	int minlen;
+	size_t buflen;
+
+	drv->we_version = 0;
+
+	/*
+	 * Use larger buffer than struct iw_range in order to allow the
+	 * structure to grow in the future.
+	 */
+	buflen = sizeof(struct iw_range) + 500;
+	range = os_zalloc(buflen);
+	if (range == NULL)
+		return -1;
+
+	memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+	iwr.u.data.pointer = (caddr_t) range;
+	iwr.u.data.length = buflen;
+
+	minlen = ((char *) &range->enc_capa) - (char *) range +
+		sizeof(range->enc_capa);
+
+	if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
+		perror("ioctl[SIOCGIWRANGE]");
+		free(range);
+		return -1;
+	} else if (iwr.u.data.length >= minlen &&
+		   range->we_version_compiled >= 18) {
+		wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
+			   "WE(source)=%d enc_capa=0x%x",
+			   range->we_version_compiled,
+			   range->we_version_source,
+			   range->enc_capa);
+		drv->we_version = range->we_version_compiled;
+	}
+
+	free(range);
+	return 0;
+}
+
+
+static int
+atheros_wireless_event_init(struct atheros_driver_data *drv)
+{
+	struct netlink_config *cfg;
+
+	atheros_get_we_version(drv);
+
+	cfg = os_zalloc(sizeof(*cfg));
+	if (cfg == NULL)
+		return -1;
+	cfg->ctx = drv;
+	cfg->newlink_cb = atheros_wireless_event_rtm_newlink;
+	drv->netlink = netlink_init(cfg);
+	if (drv->netlink == NULL) {
+		os_free(cfg);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int
+atheros_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
+		   int encrypt, const u8 *own_addr, u32 flags)
+{
+	struct atheros_driver_data *drv = priv;
+	unsigned char buf[3000];
+	unsigned char *bp = buf;
+	struct l2_ethhdr *eth;
+	size_t len;
+	int status;
+
+	/*
+	 * Prepend the Ethernet header.  If the caller left us
+	 * space at the front we could just insert it but since
+	 * we don't know we copy to a local buffer.  Given the frequency
+	 * and size of frames this probably doesn't matter.
+	 */
+	len = data_len + sizeof(struct l2_ethhdr);
+	if (len > sizeof(buf)) {
+		bp = malloc(len);
+		if (bp == NULL) {
+			printf("EAPOL frame discarded, cannot malloc temp "
+			       "buffer of size %lu!\n", (unsigned long) len);
+			return -1;
+		}
+	}
+	eth = (struct l2_ethhdr *) bp;
+	memcpy(eth->h_dest, addr, ETH_ALEN);
+	memcpy(eth->h_source, own_addr, ETH_ALEN);
+	eth->h_proto = host_to_be16(ETH_P_EAPOL);
+	memcpy(eth+1, data, data_len);
+
+	wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
+
+	status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
+
+	if (bp != buf)
+		free(bp);
+	return status;
+}
+
+static void
+handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
+{
+	struct atheros_driver_data *drv = ctx;
+	drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr),
+			   len - sizeof(struct l2_ethhdr));
+}
+
+static void *
+atheros_init(struct hostapd_data *hapd, struct wpa_init_params *params)
+{
+	struct atheros_driver_data *drv;
+	struct ifreq ifr;
+	struct iwreq iwr;
+	char brname[IFNAMSIZ];
+
+	drv = os_zalloc(sizeof(struct atheros_driver_data));
+	if (drv == NULL) {
+		printf("Could not allocate memory for atheros driver data\n");
+		return NULL;
+	}
+
+	drv->hapd = hapd;
+	drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
+	if (drv->ioctl_sock < 0) {
+		perror("socket[PF_INET,SOCK_DGRAM]");
+		goto bad;
+	}
+	memcpy(drv->iface, params->ifname, sizeof(drv->iface));
+
+	memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
+	if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) {
+		perror("ioctl(SIOCGIFINDEX)");
+		goto bad;
+	}
+	drv->ifindex = ifr.ifr_ifindex;
+
+	drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
+					handle_read, drv, 1);
+	if (drv->sock_xmit == NULL)
+		goto bad;
+	if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
+		goto bad;
+	if (params->bridge[0]) {
+		wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.",
+			   params->bridge[0]);
+		drv->sock_recv = l2_packet_init(params->bridge[0], NULL,
+						ETH_P_EAPOL, handle_read, drv,
+						1);
+		if (drv->sock_recv == NULL)
+			goto bad;
+	} else if (linux_br_get(brname, drv->iface) == 0) {
+		wpa_printf(MSG_DEBUG, "Interface in bridge %s; configure for "
+			   "EAPOL receive", brname);
+		drv->sock_recv = l2_packet_init(brname, NULL, ETH_P_EAPOL,
+						handle_read, drv, 1);
+		if (drv->sock_recv == NULL)
+			goto bad;
+	} else
+		drv->sock_recv = drv->sock_xmit;
+
+	memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+
+	iwr.u.mode = IW_MODE_MASTER;
+
+	if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) {
+		perror("ioctl[SIOCSIWMODE]");
+		printf("Could not set interface to master mode!\n");
+		goto bad;
+	}
+
+	/* mark down during setup */
+	linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
+	atheros_set_privacy(drv, 0); /* default to no privacy */
+
+	atheros_receive_probe_req(drv);
+
+	if (atheros_wireless_event_init(drv))
+		goto bad;
+
+	return drv;
+bad:
+	if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
+		l2_packet_deinit(drv->sock_recv);
+	if (drv->sock_xmit != NULL)
+		l2_packet_deinit(drv->sock_xmit);
+	if (drv->ioctl_sock >= 0)
+		close(drv->ioctl_sock);
+	if (drv != NULL)
+		free(drv);
+	return NULL;
+}
+
+
+static void
+atheros_deinit(void *priv)
+{
+	struct atheros_driver_data *drv = priv;
+
+	netlink_deinit(drv->netlink);
+	(void) linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
+	if (drv->ioctl_sock >= 0)
+		close(drv->ioctl_sock);
+	if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
+		l2_packet_deinit(drv->sock_recv);
+	if (drv->sock_xmit != NULL)
+		l2_packet_deinit(drv->sock_xmit);
+	if (drv->sock_raw)
+		l2_packet_deinit(drv->sock_raw);
+	wpabuf_free(drv->wpa_ie);
+	wpabuf_free(drv->wps_beacon_ie);
+	wpabuf_free(drv->wps_probe_resp_ie);
+	free(drv);
+}
+
+static int
+atheros_set_ssid(void *priv, const u8 *buf, int len)
+{
+	struct atheros_driver_data *drv = priv;
+	struct iwreq iwr;
+
+	memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+	iwr.u.essid.flags = 1; /* SSID active */
+	iwr.u.essid.pointer = (caddr_t) buf;
+	iwr.u.essid.length = len + 1;
+
+	if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
+		perror("ioctl[SIOCSIWESSID]");
+		printf("len=%d\n", len);
+		return -1;
+	}
+	return 0;
+}
+
+static int
+atheros_get_ssid(void *priv, u8 *buf, int len)
+{
+	struct atheros_driver_data *drv = priv;
+	struct iwreq iwr;
+	int ret = 0;
+
+	memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+	iwr.u.essid.pointer = (caddr_t) buf;
+	iwr.u.essid.length = len;
+
+	if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
+		perror("ioctl[SIOCGIWESSID]");
+		ret = -1;
+	} else
+		ret = iwr.u.essid.length;
+
+	return ret;
+}
+
+static int
+atheros_set_countermeasures(void *priv, int enabled)
+{
+	struct atheros_driver_data *drv = priv;
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
+	return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled);
+}
+
+static int
+atheros_commit(void *priv)
+{
+	struct atheros_driver_data *drv = priv;
+	return linux_set_iface_flags(drv->ioctl_sock, drv->iface, 1);
+}
+
+const struct wpa_driver_ops wpa_driver_atheros_ops = {
+	.name			= "atheros",
+	.hapd_init		= atheros_init,
+	.hapd_deinit		= atheros_deinit,
+	.set_ieee8021x		= atheros_set_ieee8021x,
+	.set_privacy		= atheros_set_privacy,
+	.set_key		= atheros_set_key,
+	.get_seqnum		= atheros_get_seqnum,
+	.flush			= atheros_flush,
+	.set_generic_elem	= atheros_set_opt_ie,
+	.sta_set_flags		= atheros_sta_set_flags,
+	.read_sta_data		= atheros_read_sta_driver_data,
+	.hapd_send_eapol	= atheros_send_eapol,
+	.sta_disassoc		= atheros_sta_disassoc,
+	.sta_deauth		= atheros_sta_deauth,
+	.hapd_set_ssid		= atheros_set_ssid,
+	.hapd_get_ssid		= atheros_get_ssid,
+	.set_countermeasures	= atheros_set_countermeasures,
+	.sta_clear_stats	= atheros_sta_clear_stats,
+	.commit			= atheros_commit,
+	.set_ap_wps_ie		= atheros_set_ap_wps_ie,
+};
diff --git a/src/drivers/driver_broadcom.c b/src/drivers/driver_broadcom.c
new file mode 100644
index 0000000..cb88543
--- /dev/null
+++ b/src/drivers/driver_broadcom.c
@@ -0,0 +1,599 @@
+/*
+ * WPA Supplicant - driver interaction with old Broadcom wl.o driver
+ * Copyright (c) 2004, Nikki Chumkov <nikki@gattaca.ru>
+ * Copyright (c) 2004, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * Please note that the newer Broadcom driver ("hybrid Linux driver") supports
+ * Linux wireless extensions and does not need (or even work) with this old
+ * driver wrapper. Use driver_wext.c with that driver.
+ */
+
+#include "includes.h"
+
+#include <sys/ioctl.h>
+
+#include "common.h"
+
+#if 0
+#include <netpacket/packet.h>
+#include <net/ethernet.h>     /* the L2 protocols */
+#else
+#include <linux/if_packet.h>
+#include <linux/if_ether.h>   /* The L2 protocols */
+#endif
+#include <net/if.h>
+#include <typedefs.h>
+
+/* wlioctl.h is a Broadcom header file and it is available, e.g., from Linksys
+ * WRT54G GPL tarball. */
+#include <wlioctl.h>
+
+#include "driver.h"
+#include "eloop.h"
+
+struct wpa_driver_broadcom_data {
+	void *ctx;
+	int ioctl_sock;
+	int event_sock;
+	char ifname[IFNAMSIZ + 1];
+};
+
+
+#ifndef WLC_DEAUTHENTICATE
+#define WLC_DEAUTHENTICATE 143
+#endif
+#ifndef WLC_DEAUTHENTICATE_WITH_REASON
+#define WLC_DEAUTHENTICATE_WITH_REASON 201
+#endif
+#ifndef WLC_SET_TKIP_COUNTERMEASURES
+#define WLC_SET_TKIP_COUNTERMEASURES 202
+#endif
+
+#if !defined(PSK_ENABLED) /* NEW driver interface */
+#define WL_VERSION 360130
+/* wireless authentication bit vector */
+#define WPA_ENABLED 1
+#define PSK_ENABLED 2
+                                                                                
+#define WAUTH_WPA_ENABLED(wauth)  ((wauth) & WPA_ENABLED)
+#define WAUTH_PSK_ENABLED(wauth)  ((wauth) & PSK_ENABLED)
+#define WAUTH_ENABLED(wauth)    ((wauth) & (WPA_ENABLED | PSK_ENABLED))
+
+#define WSEC_PRIMARY_KEY WL_PRIMARY_KEY
+
+typedef wl_wsec_key_t wsec_key_t;
+#endif
+
+typedef struct {
+	uint32 val;
+	struct ether_addr ea;
+	uint16 res;
+} wlc_deauth_t;
+
+
+static void wpa_driver_broadcom_scan_timeout(void *eloop_ctx,
+					     void *timeout_ctx);
+
+static int broadcom_ioctl(struct wpa_driver_broadcom_data *drv, int cmd,
+			  void *buf, int len)
+{
+	struct ifreq ifr;
+	wl_ioctl_t ioc;
+	int ret = 0;
+
+	wpa_printf(MSG_MSGDUMP, "BROADCOM: wlioctl(%s,%d,len=%d,val=%p)",
+		   drv->ifname, cmd, len, buf);
+	/* wpa_hexdump(MSG_MSGDUMP, "BROADCOM: wlioctl buf", buf, len); */
+
+	ioc.cmd = cmd;
+	ioc.buf = buf;
+	ioc.len = len;
+	os_strlcpy(ifr.ifr_name, drv->ifname, IFNAMSIZ);
+	ifr.ifr_data = (caddr_t) &ioc;
+	if ((ret = ioctl(drv->ioctl_sock, SIOCDEVPRIVATE, &ifr)) < 0) {
+		if (cmd != WLC_GET_MAGIC)
+			perror(ifr.ifr_name);
+		wpa_printf(MSG_MSGDUMP, "BROADCOM: wlioctl cmd=%d res=%d",
+			   cmd, ret);
+	}
+
+	return ret;
+}
+
+static int wpa_driver_broadcom_get_bssid(void *priv, u8 *bssid)
+{
+	struct wpa_driver_broadcom_data *drv = priv;
+	if (broadcom_ioctl(drv, WLC_GET_BSSID, bssid, ETH_ALEN) == 0)
+		return 0;
+	
+	os_memset(bssid, 0, ETH_ALEN);
+	return -1;
+}
+
+static int wpa_driver_broadcom_get_ssid(void *priv, u8 *ssid)
+{
+	struct wpa_driver_broadcom_data *drv = priv;
+	wlc_ssid_t s;
+	
+	if (broadcom_ioctl(drv, WLC_GET_SSID, &s, sizeof(s)) == -1)
+		return -1;
+
+	os_memcpy(ssid, s.SSID, s.SSID_len);
+	return s.SSID_len;
+}
+
+static int wpa_driver_broadcom_set_wpa(void *priv, int enable)
+{
+	struct wpa_driver_broadcom_data *drv = priv;
+	unsigned int wauth, wsec;
+	struct ether_addr ea;
+
+	os_memset(&ea, enable ? 0xff : 0, sizeof(ea));
+	if (broadcom_ioctl(drv, WLC_GET_WPA_AUTH, &wauth, sizeof(wauth)) ==
+	    -1 ||
+	    broadcom_ioctl(drv, WLC_GET_WSEC, &wsec, sizeof(wsec)) == -1)
+		return -1;
+
+	if (enable) {
+		wauth = PSK_ENABLED;
+		wsec = TKIP_ENABLED;
+	} else {
+		wauth = 255;
+		wsec &= ~(TKIP_ENABLED | AES_ENABLED);
+	}
+
+	if (broadcom_ioctl(drv, WLC_SET_WPA_AUTH, &wauth, sizeof(wauth)) ==
+	    -1 ||
+	    broadcom_ioctl(drv, WLC_SET_WSEC, &wsec, sizeof(wsec)) == -1)
+		return -1;
+
+	/* FIX: magic number / error handling? */
+	broadcom_ioctl(drv, 122, &ea, sizeof(ea));
+
+	return 0;
+}
+
+static int wpa_driver_broadcom_set_key(const char *ifname, void *priv,
+				       enum wpa_alg alg,
+				       const u8 *addr, int key_idx, int set_tx,
+				       const u8 *seq, size_t seq_len,
+				       const u8 *key, size_t key_len)
+{
+	struct wpa_driver_broadcom_data *drv = priv;
+	int ret;
+	wsec_key_t wkt;
+
+	os_memset(&wkt, 0, sizeof wkt);
+	wpa_printf(MSG_MSGDUMP, "BROADCOM: SET %sKEY[%d] alg=%d",
+		   set_tx ? "PRIMARY " : "", key_idx, alg);
+	if (key && key_len > 0)
+		wpa_hexdump_key(MSG_MSGDUMP, "BROADCOM: key", key, key_len);
+
+	switch (alg) {
+	case WPA_ALG_NONE:
+		wkt.algo = CRYPTO_ALGO_OFF;
+		break;
+	case WPA_ALG_WEP:
+		wkt.algo = CRYPTO_ALGO_WEP128; /* CRYPTO_ALGO_WEP1? */
+		break;
+	case WPA_ALG_TKIP:
+		wkt.algo = 0; /* CRYPTO_ALGO_TKIP? */
+		break;
+	case WPA_ALG_CCMP:
+		wkt.algo = 0; /* CRYPTO_ALGO_AES_CCM;
+			       * AES_OCB_MSDU, AES_OCB_MPDU? */
+		break;
+	default:
+		wkt.algo = CRYPTO_ALGO_NALG;
+		break;
+	}
+
+	if (seq && seq_len > 0)
+		wpa_hexdump(MSG_MSGDUMP, "BROADCOM: SEQ", seq, seq_len);
+
+	if (addr)
+		wpa_hexdump(MSG_MSGDUMP, "BROADCOM: addr", addr, ETH_ALEN);
+
+	wkt.index = key_idx;
+	wkt.len = key_len;
+	if (key && key_len > 0) {
+		os_memcpy(wkt.data, key, key_len);
+		if (key_len == 32) {
+			/* hack hack hack XXX */
+			os_memcpy(&wkt.data[16], &key[24], 8);
+			os_memcpy(&wkt.data[24], &key[16], 8);
+		}
+	}
+	/* wkt.algo = CRYPTO_ALGO_...; */
+	wkt.flags = set_tx ? 0 : WSEC_PRIMARY_KEY;
+	if (addr && set_tx)
+		os_memcpy(&wkt.ea, addr, sizeof(wkt.ea));
+	ret = broadcom_ioctl(drv, WLC_SET_KEY, &wkt, sizeof(wkt));
+	if (addr && set_tx) {
+		/* FIX: magic number / error handling? */
+		broadcom_ioctl(drv, 121, &wkt.ea, sizeof(wkt.ea));
+	}
+	return ret;
+}
+
+
+static void wpa_driver_broadcom_event_receive(int sock, void *ctx,
+					      void *sock_ctx)
+{
+	char buf[8192];
+	int left;
+	wl_wpa_header_t *wwh;
+	union wpa_event_data data;
+	u8 *resp_ies = NULL;
+
+	if ((left = recv(sock, buf, sizeof buf, 0)) < 0)
+		return;
+
+	wpa_hexdump(MSG_DEBUG, "RECEIVE EVENT", (u8 *) buf, left);
+
+	if ((size_t) left < sizeof(wl_wpa_header_t))
+		return;
+
+	wwh = (wl_wpa_header_t *) buf;
+
+	if (wwh->snap.type != WL_WPA_ETHER_TYPE)
+		return;
+	if (os_memcmp(&wwh->snap, wl_wpa_snap_template, 6) != 0)
+		return;
+
+	os_memset(&data, 0, sizeof(data));
+
+	switch (wwh->type) {
+	case WLC_ASSOC_MSG:
+		left -= WL_WPA_HEADER_LEN;
+		wpa_printf(MSG_DEBUG, "BROADCOM: ASSOC MESSAGE (left: %d)",
+			   left);
+		if (left > 0) {
+			resp_ies = os_malloc(left);
+			if (resp_ies == NULL)
+				return;
+			os_memcpy(resp_ies, buf + WL_WPA_HEADER_LEN, left);
+			data.assoc_info.resp_ies = resp_ies;
+			data.assoc_info.resp_ies_len = left;
+		}
+
+		wpa_supplicant_event(ctx, EVENT_ASSOC, &data);
+		os_free(resp_ies);
+		break;
+	case WLC_DISASSOC_MSG:
+		wpa_printf(MSG_DEBUG, "BROADCOM: DISASSOC MESSAGE");
+		wpa_supplicant_event(ctx, EVENT_DISASSOC, NULL);
+		break;
+	case WLC_PTK_MIC_MSG:
+		wpa_printf(MSG_DEBUG, "BROADCOM: PTK MIC MSG MESSAGE");
+		data.michael_mic_failure.unicast = 1;
+		wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
+		break;
+	case WLC_GTK_MIC_MSG:
+		wpa_printf(MSG_DEBUG, "BROADCOM: GTK MIC MSG MESSAGE");
+		data.michael_mic_failure.unicast = 0;
+		wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "BROADCOM: UNKNOWN MESSAGE (%d)",
+			   wwh->type);
+		break;
+	}
+}	
+
+static void * wpa_driver_broadcom_init(void *ctx, const char *ifname)
+{
+	int s;
+	struct sockaddr_ll ll;
+	struct wpa_driver_broadcom_data *drv;
+	struct ifreq ifr;
+
+	/* open socket to kernel */
+	if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+		perror("socket");
+		return NULL;
+	}
+	/* do it */
+	os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
+	if (ioctl(s, SIOCGIFINDEX, &ifr) < 0) {
+		perror(ifr.ifr_name);
+		return NULL;
+	}
+
+
+	drv = os_zalloc(sizeof(*drv));
+	if (drv == NULL)
+		return NULL;
+	drv->ctx = ctx;
+	os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
+	drv->ioctl_sock = s;
+
+	s = socket(PF_PACKET, SOCK_RAW, ntohs(ETH_P_802_2));
+	if (s < 0) {
+		perror("socket(PF_PACKET, SOCK_RAW, ntohs(ETH_P_802_2))");
+		close(drv->ioctl_sock);
+		os_free(drv);
+		return NULL;
+	}
+
+	os_memset(&ll, 0, sizeof(ll));
+	ll.sll_family = AF_PACKET;
+	ll.sll_protocol = ntohs(ETH_P_802_2);
+	ll.sll_ifindex = ifr.ifr_ifindex;
+	ll.sll_hatype = 0;
+	ll.sll_pkttype = PACKET_HOST;
+	ll.sll_halen = 0;
+
+	if (bind(s, (struct sockaddr *) &ll, sizeof(ll)) < 0) {
+		perror("bind(netlink)");
+		close(s);
+		close(drv->ioctl_sock);
+		os_free(drv);
+		return NULL;
+	}
+
+	eloop_register_read_sock(s, wpa_driver_broadcom_event_receive, ctx,
+				 NULL);
+	drv->event_sock = s;
+	wpa_driver_broadcom_set_wpa(drv, 1);
+
+	return drv;
+}
+
+static void wpa_driver_broadcom_deinit(void *priv)
+{
+	struct wpa_driver_broadcom_data *drv = priv;
+	wpa_driver_broadcom_set_wpa(drv, 0);
+	eloop_cancel_timeout(wpa_driver_broadcom_scan_timeout, drv, drv->ctx);
+	eloop_unregister_read_sock(drv->event_sock);
+	close(drv->event_sock);
+	close(drv->ioctl_sock);
+	os_free(drv);
+}
+
+static int wpa_driver_broadcom_set_countermeasures(void *priv,
+						   int enabled)
+{
+#if 0
+	struct wpa_driver_broadcom_data *drv = priv;
+	/* FIX: ? */
+	return broadcom_ioctl(drv, WLC_SET_TKIP_COUNTERMEASURES, &enabled,
+			      sizeof(enabled));
+#else
+	return 0;
+#endif
+}
+
+static int wpa_driver_broadcom_set_drop_unencrypted(void *priv, int enabled)
+{
+	struct wpa_driver_broadcom_data *drv = priv;
+	/* SET_EAP_RESTRICT, SET_WEP_RESTRICT */
+	int _restrict = (enabled ? 1 : 0);
+	
+	if (broadcom_ioctl(drv, WLC_SET_WEP_RESTRICT, 
+			   &_restrict, sizeof(_restrict)) < 0 ||
+	    broadcom_ioctl(drv, WLC_SET_EAP_RESTRICT,
+			   &_restrict, sizeof(_restrict)) < 0)
+		return -1;
+
+	return 0;
+}
+
+static void wpa_driver_broadcom_scan_timeout(void *eloop_ctx,
+					     void *timeout_ctx)
+{
+	wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
+	wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
+}
+
+static int wpa_driver_broadcom_scan(void *priv,
+				    struct wpa_driver_scan_params *params)
+{
+	struct wpa_driver_broadcom_data *drv = priv;
+	wlc_ssid_t wst = { 0, "" };
+	const u8 *ssid = params->ssids[0].ssid;
+	size_t ssid_len = params->ssids[0].ssid_len;
+
+	if (ssid && ssid_len > 0 && ssid_len <= sizeof(wst.SSID)) {
+		wst.SSID_len = ssid_len;
+		os_memcpy(wst.SSID, ssid, ssid_len);
+	}
+	
+	if (broadcom_ioctl(drv, WLC_SCAN, &wst, sizeof(wst)) < 0)
+		return -1;
+
+	eloop_cancel_timeout(wpa_driver_broadcom_scan_timeout, drv, drv->ctx);
+	eloop_register_timeout(3, 0, wpa_driver_broadcom_scan_timeout, drv,
+			       drv->ctx);
+	return 0;
+}
+
+
+static const int frequency_list[] = { 
+	2412, 2417, 2422, 2427, 2432, 2437, 2442,
+	2447, 2452, 2457, 2462, 2467, 2472, 2484 
+};
+
+struct bss_ie_hdr {
+	u8 elem_id;
+	u8 len;
+	u8 oui[3];
+	/* u8 oui_type; */
+	/* u16 version; */
+} __attribute__ ((packed));
+
+static struct wpa_scan_results *
+wpa_driver_broadcom_get_scan_results(void *priv)
+{
+	struct wpa_driver_broadcom_data *drv = priv;
+	char *buf;
+	wl_scan_results_t *wsr;
+	wl_bss_info_t *wbi;
+	size_t ap_num;
+	struct wpa_scan_results *res;
+
+	buf = os_malloc(WLC_IOCTL_MAXLEN);
+	if (buf == NULL)
+		return NULL;
+
+	wsr = (wl_scan_results_t *) buf;
+
+	wsr->buflen = WLC_IOCTL_MAXLEN - sizeof(wsr);
+	wsr->version = 107;
+	wsr->count = 0;
+
+	if (broadcom_ioctl(drv, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0) {
+		os_free(buf);
+		return NULL;
+	}
+
+	res = os_zalloc(sizeof(*res));
+	if (res == NULL) {
+		os_free(buf);
+		return NULL;
+	}
+
+	res->res = os_zalloc(wsr->count * sizeof(struct wpa_scan_res *));
+	if (res->res == NULL) {
+		os_free(res);
+		os_free(buf);
+		return NULL;
+	}
+
+	for (ap_num = 0, wbi = wsr->bss_info; ap_num < wsr->count; ++ap_num) {
+		struct wpa_scan_res *r;
+		r = os_malloc(sizeof(*r) + wbi->ie_length);
+		if (r == NULL)
+			break;
+		res->res[res->num++] = r;
+
+		os_memcpy(r->bssid, &wbi->BSSID, ETH_ALEN);
+		r->freq = frequency_list[wbi->channel - 1];
+		/* get ie's */
+		os_memcpy(r + 1, wbi + 1, wbi->ie_length);
+		r->ie_len = wbi->ie_length;
+
+		wbi = (wl_bss_info_t *) ((u8 *) wbi + wbi->length);
+	}
+
+	wpa_printf(MSG_MSGDUMP, "Received %d bytes of scan results (%lu "
+		   "BSSes)",
+		   wsr->buflen, (unsigned long) ap_num);
+	
+	os_free(buf);
+	return res;
+	}
+
+static int wpa_driver_broadcom_deauthenticate(void *priv, const u8 *addr,
+					      int reason_code)
+{
+	struct wpa_driver_broadcom_data *drv = priv;
+	wlc_deauth_t wdt;
+	wdt.val = reason_code;
+	os_memcpy(&wdt.ea, addr, sizeof wdt.ea);
+	wdt.res = 0x7fff;
+	return broadcom_ioctl(drv, WLC_DEAUTHENTICATE_WITH_REASON, &wdt,
+			      sizeof(wdt));
+}
+
+static int wpa_driver_broadcom_disassociate(void *priv, const u8 *addr,
+					    int reason_code)
+{
+	struct wpa_driver_broadcom_data *drv = priv;
+	return broadcom_ioctl(drv, WLC_DISASSOC, NULL, 0);
+}
+
+static int
+wpa_driver_broadcom_associate(void *priv,
+			      struct wpa_driver_associate_params *params)
+{
+	struct wpa_driver_broadcom_data *drv = priv;
+	wlc_ssid_t s;
+	int infra = 1;
+	int auth = 0;
+	int wsec = 4;
+	int dummy;
+	int wpa_auth;
+	int ret;
+
+	ret = wpa_driver_broadcom_set_drop_unencrypted(
+		drv, params->drop_unencrypted);
+
+	s.SSID_len = params->ssid_len;
+	os_memcpy(s.SSID, params->ssid, params->ssid_len);
+
+	switch (params->pairwise_suite) {
+	case CIPHER_WEP40:
+	case CIPHER_WEP104:
+		wsec = 1;
+		break;
+
+	case CIPHER_TKIP:
+		wsec = 2;
+		break;
+
+	case CIPHER_CCMP:
+		wsec = 4;
+		break;
+
+	default:
+		wsec = 0;
+		break;
+	}
+
+	switch (params->key_mgmt_suite) {
+	case KEY_MGMT_802_1X:
+		wpa_auth = 1;
+		break;
+
+	case KEY_MGMT_PSK:
+		wpa_auth = 2;
+		break;
+
+	default:
+		wpa_auth = 255;
+		break;
+	}
+
+	/* printf("broadcom_associate: %u %u %u\n", pairwise_suite,
+	 * group_suite, key_mgmt_suite);
+	 * broadcom_ioctl(ifname, WLC_GET_WSEC, &wsec, sizeof(wsec));
+	 * wl join uses wlc_sec_wep here, not wlc_set_wsec */
+
+	if (broadcom_ioctl(drv, WLC_SET_WSEC, &wsec, sizeof(wsec)) < 0 ||
+	    broadcom_ioctl(drv, WLC_SET_WPA_AUTH, &wpa_auth,
+			   sizeof(wpa_auth)) < 0 ||
+	    broadcom_ioctl(drv, WLC_GET_WEP, &dummy, sizeof(dummy)) < 0 ||
+	    broadcom_ioctl(drv, WLC_SET_INFRA, &infra, sizeof(infra)) < 0 ||
+	    broadcom_ioctl(drv, WLC_SET_AUTH, &auth, sizeof(auth)) < 0 ||
+	    broadcom_ioctl(drv, WLC_SET_WEP, &wsec, sizeof(wsec)) < 0 ||
+	    broadcom_ioctl(drv, WLC_SET_SSID, &s, sizeof(s)) < 0)
+		return -1;
+
+	return ret;
+}
+
+const struct wpa_driver_ops wpa_driver_broadcom_ops = {
+	.name = "broadcom",
+	.desc = "Broadcom wl.o driver",
+	.get_bssid = wpa_driver_broadcom_get_bssid,
+	.get_ssid = wpa_driver_broadcom_get_ssid,
+	.set_key = wpa_driver_broadcom_set_key,
+	.init = wpa_driver_broadcom_init,
+	.deinit = wpa_driver_broadcom_deinit,
+	.set_countermeasures = wpa_driver_broadcom_set_countermeasures,
+	.scan2 = wpa_driver_broadcom_scan,
+	.get_scan_results2 = wpa_driver_broadcom_get_scan_results,
+	.deauthenticate = wpa_driver_broadcom_deauthenticate,
+	.disassociate = wpa_driver_broadcom_disassociate,
+	.associate = wpa_driver_broadcom_associate,
+};
diff --git a/src/drivers/driver_bsd.c b/src/drivers/driver_bsd.c
new file mode 100644
index 0000000..1b52865
--- /dev/null
+++ b/src/drivers/driver_bsd.c
@@ -0,0 +1,1573 @@
+/*
+ * WPA Supplicant - driver interaction with BSD net80211 layer
+ * Copyright (c) 2004, Sam Leffler <sam@errno.com>
+ * Copyright (c) 2004, 2Wire, Inc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <sys/ioctl.h>
+#include <sys/sysctl.h>
+
+#include "common.h"
+#include "driver.h"
+#include "eloop.h"
+#include "common/ieee802_11_defs.h"
+#include "common/wpa_common.h"
+
+#include <net/if.h>
+#include <net/if_media.h>
+
+#ifdef __NetBSD__
+#include <net/if_ether.h>
+#else
+#include <net/ethernet.h>
+#endif
+#include <net/route.h>
+
+#ifdef __DragonFly__
+#include <netproto/802_11/ieee80211_ioctl.h>
+#include <netproto/802_11/ieee80211_dragonfly.h>
+#else /* __DragonFly__ */
+#ifdef __GLIBC__
+#include <netinet/ether.h>
+#endif /* __GLIBC__ */
+#include <net80211/ieee80211.h>
+#include <net80211/ieee80211_ioctl.h>
+#include <net80211/ieee80211_crypto.h>
+#endif /* __DragonFly__ || __GLIBC__ */
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+#include <net80211/ieee80211_freebsd.h>
+#endif
+#if __NetBSD__
+#include <net80211/ieee80211_netbsd.h>
+#endif
+
+#include "l2_packet/l2_packet.h"
+
+struct bsd_driver_data {
+	struct hostapd_data *hapd;	/* back pointer */
+
+	int	sock;			/* open socket for 802.11 ioctls */
+	struct l2_packet_data *sock_xmit;/* raw packet xmit socket */
+	int	route;			/* routing socket for events */
+	char	ifname[IFNAMSIZ+1];	/* interface name */
+	unsigned int ifindex;		/* interface index */
+	void	*ctx;
+	struct wpa_driver_capa capa;	/* driver capability */
+	int	is_ap;			/* Access point mode */
+	int	prev_roaming;	/* roaming state to restore on deinit */
+	int	prev_privacy;	/* privacy state to restore on deinit */
+	int	prev_wpa;	/* wpa state to restore on deinit */
+};
+
+/* Generic functions for hostapd and wpa_supplicant */
+
+static int
+bsd_set80211(void *priv, int op, int val, const void *arg, int arg_len)
+{
+	struct bsd_driver_data *drv = priv;
+	struct ieee80211req ireq;
+
+	os_memset(&ireq, 0, sizeof(ireq));
+	os_strlcpy(ireq.i_name, drv->ifname, sizeof(ireq.i_name));
+	ireq.i_type = op;
+	ireq.i_val = val;
+	ireq.i_data = (void *) arg;
+	ireq.i_len = arg_len;
+
+	if (ioctl(drv->sock, SIOCS80211, &ireq) < 0) {
+		wpa_printf(MSG_ERROR, "ioctl[SIOCS80211, op=%u, val=%u, "
+			   "arg_len=%u]: %s", op, val, arg_len,
+			   strerror(errno));
+		return -1;
+	}
+	return 0;
+}
+
+static int
+bsd_get80211(void *priv, struct ieee80211req *ireq, int op, void *arg,
+	     int arg_len)
+{
+	struct bsd_driver_data *drv = priv;
+
+	os_memset(ireq, 0, sizeof(*ireq));
+	os_strlcpy(ireq->i_name, drv->ifname, sizeof(ireq->i_name));
+	ireq->i_type = op;
+	ireq->i_len = arg_len;
+	ireq->i_data = arg;
+
+	if (ioctl(drv->sock, SIOCG80211, ireq) < 0) {
+		wpa_printf(MSG_ERROR, "ioctl[SIOCS80211, op=%u, "
+			   "arg_len=%u]: %s", op, arg_len, strerror(errno));
+		return -1;
+	}
+	return 0;
+}
+
+static int
+get80211var(struct bsd_driver_data *drv, int op, void *arg, int arg_len)
+{
+	struct ieee80211req ireq;
+
+	if (bsd_get80211(drv, &ireq, op, arg, arg_len) < 0)
+		return -1;
+	return ireq.i_len;
+}
+
+static int
+set80211var(struct bsd_driver_data *drv, int op, const void *arg, int arg_len)
+{
+	return bsd_set80211(drv, op, 0, arg, arg_len);
+}
+
+static int
+set80211param(struct bsd_driver_data *drv, int op, int arg)
+{
+	return bsd_set80211(drv, op, arg, NULL, 0);
+}
+
+static int
+bsd_get_ssid(void *priv, u8 *ssid, int len)
+{
+	struct bsd_driver_data *drv = priv;
+#ifdef SIOCG80211NWID
+	struct ieee80211_nwid nwid;
+	struct ifreq ifr;
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
+	ifr.ifr_data = (void *)&nwid;
+	if (ioctl(drv->sock, SIOCG80211NWID, &ifr) < 0 ||
+	    nwid.i_len > IEEE80211_NWID_LEN)
+		return -1;
+	os_memcpy(ssid, nwid.i_nwid, nwid.i_len);
+	return nwid.i_len;
+#else
+	return get80211var(drv, IEEE80211_IOC_SSID, ssid, IEEE80211_NWID_LEN);
+#endif
+}
+
+static int
+bsd_set_ssid(void *priv, const u8 *ssid, int ssid_len)
+{
+	struct bsd_driver_data *drv = priv;
+#ifdef SIOCS80211NWID
+	struct ieee80211_nwid nwid;
+	struct ifreq ifr;
+
+	os_memcpy(nwid.i_nwid, ssid, ssid_len);
+	nwid.i_len = ssid_len;
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
+	ifr.ifr_data = (void *)&nwid;
+	return ioctl(drv->sock, SIOCS80211NWID, &ifr);
+#else
+	return set80211var(drv, IEEE80211_IOC_SSID, ssid, ssid_len);
+#endif
+}
+
+static int
+bsd_get_if_media(void *priv)
+{
+	struct bsd_driver_data *drv = priv;
+	struct ifmediareq ifmr;
+
+	os_memset(&ifmr, 0, sizeof(ifmr));
+	os_strlcpy(ifmr.ifm_name, drv->ifname, sizeof(ifmr.ifm_name));
+
+	if (ioctl(drv->sock, SIOCGIFMEDIA, &ifmr) < 0) {
+		wpa_printf(MSG_ERROR, "%s: SIOCGIFMEDIA %s", __func__,
+			   strerror(errno));
+		return -1;
+	}
+
+	return ifmr.ifm_current;
+}
+
+static int
+bsd_set_if_media(void *priv, int media)
+{
+	struct bsd_driver_data *drv = priv;
+	struct ifreq ifr;
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
+	ifr.ifr_media = media;
+
+	if (ioctl(drv->sock, SIOCSIFMEDIA, &ifr) < 0) {
+		wpa_printf(MSG_ERROR, "%s: SIOCSIFMEDIA %s", __func__,
+			   strerror(errno));
+		return -1;
+	}
+
+	return 0;
+}
+
+static int
+bsd_set_mediaopt(void *priv, uint32_t mask, uint32_t mode)
+{
+	int media = bsd_get_if_media(priv);
+
+	if (media < 0)
+		return -1;
+	media &= ~mask;
+	media |= mode;
+	if (bsd_set_if_media(priv, media) < 0)
+		return -1;
+	return 0;
+}
+
+static int
+bsd_del_key(void *priv, const u8 *addr, int key_idx)
+{
+	struct ieee80211req_del_key wk;
+
+	os_memset(&wk, 0, sizeof(wk));
+	if (addr == NULL) {
+		wpa_printf(MSG_DEBUG, "%s: key_idx=%d", __func__, key_idx);
+		wk.idk_keyix = key_idx;
+	} else {
+		wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__,
+			   MAC2STR(addr));
+		os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
+		wk.idk_keyix = (u_int8_t) IEEE80211_KEYIX_NONE;	/* XXX */
+	}
+
+	return set80211var(priv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk));
+}
+
+static int
+bsd_send_mlme_param(void *priv, const u8 op, const u16 reason, const u8 *addr)
+{
+	struct ieee80211req_mlme mlme;
+
+	os_memset(&mlme, 0, sizeof(mlme));
+	mlme.im_op = op;
+	mlme.im_reason = reason;
+	os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+	return set80211var(priv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
+}
+
+static int
+bsd_ctrl_iface(void *priv, int enable)
+{
+	struct bsd_driver_data *drv = priv;
+	struct ifreq ifr;
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
+
+	if (ioctl(drv->sock, SIOCGIFFLAGS, &ifr) < 0) {
+		perror("ioctl[SIOCGIFFLAGS]");
+		return -1;
+	}
+
+	if (enable)
+		ifr.ifr_flags |= IFF_UP;
+	else
+		ifr.ifr_flags &= ~IFF_UP;
+
+	if (ioctl(drv->sock, SIOCSIFFLAGS, &ifr) < 0) {
+		perror("ioctl[SIOCSIFFLAGS]");
+		return -1;
+	}
+
+	return 0;
+}
+
+static int
+bsd_set_key(const char *ifname, void *priv, enum wpa_alg alg,
+	    const unsigned char *addr, int key_idx, int set_tx, const u8 *seq,
+	    size_t seq_len, const u8 *key, size_t key_len)
+{
+	struct ieee80211req_key wk;
+
+	wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%p key_idx=%d set_tx=%d "
+		   "seq_len=%zu key_len=%zu", __func__, alg, addr, key_idx,
+		   set_tx, seq_len, key_len);
+
+	if (alg == WPA_ALG_NONE) {
+#ifndef HOSTAPD
+		if (addr == NULL || is_broadcast_ether_addr(addr))
+			return bsd_del_key(priv, NULL, key_idx);
+		else
+#endif /* HOSTAPD */
+			return bsd_del_key(priv, addr, key_idx);
+	}
+
+	os_memset(&wk, 0, sizeof(wk));
+	switch (alg) {
+	case WPA_ALG_WEP:
+		wk.ik_type = IEEE80211_CIPHER_WEP;
+		break;
+	case WPA_ALG_TKIP:
+		wk.ik_type = IEEE80211_CIPHER_TKIP;
+		break;
+	case WPA_ALG_CCMP:
+		wk.ik_type = IEEE80211_CIPHER_AES_CCM;
+		break;
+	default:
+		wpa_printf(MSG_ERROR, "%s: unknown alg=%d", __func__, alg);
+		return -1;
+	}
+
+	wk.ik_flags = IEEE80211_KEY_RECV;
+	if (set_tx)
+		wk.ik_flags |= IEEE80211_KEY_XMIT;
+
+	if (addr == NULL) {
+		os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
+		wk.ik_keyix = key_idx;
+	} else {
+		os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
+		/*
+		 * Deduce whether group/global or unicast key by checking
+		 * the address (yech).  Note also that we can only mark global
+		 * keys default; doing this for a unicast key is an error.
+		 */
+		if (is_broadcast_ether_addr(addr)) {
+			wk.ik_flags |= IEEE80211_KEY_GROUP;
+			wk.ik_keyix = key_idx;
+		} else {
+			wk.ik_keyix = key_idx == 0 ? IEEE80211_KEYIX_NONE :
+				key_idx;
+		}
+	}
+	if (wk.ik_keyix != IEEE80211_KEYIX_NONE && set_tx)
+		wk.ik_flags |= IEEE80211_KEY_DEFAULT;
+	wk.ik_keylen = key_len;
+	if (seq)
+		os_memcpy(&wk.ik_keyrsc, seq, seq_len);
+	os_memcpy(wk.ik_keydata, key, key_len);
+
+	return set80211var(priv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk));
+}
+
+static int
+bsd_configure_wpa(void *priv, struct wpa_bss_params *params)
+{
+#ifndef IEEE80211_IOC_APPIE
+	static const char *ciphernames[] =
+		{ "WEP", "TKIP", "AES-OCB", "AES-CCM", "CKIP", "NONE" };
+	int v;
+
+	switch (params->wpa_group) {
+	case WPA_CIPHER_CCMP:
+		v = IEEE80211_CIPHER_AES_CCM;
+		break;
+	case WPA_CIPHER_TKIP:
+		v = IEEE80211_CIPHER_TKIP;
+		break;
+	case WPA_CIPHER_WEP104:
+		v = IEEE80211_CIPHER_WEP;
+		break;
+	case WPA_CIPHER_WEP40:
+		v = IEEE80211_CIPHER_WEP;
+		break;
+	case WPA_CIPHER_NONE:
+		v = IEEE80211_CIPHER_NONE;
+		break;
+	default:
+		printf("Unknown group key cipher %u\n",
+			params->wpa_group);
+		return -1;
+	}
+	wpa_printf(MSG_DEBUG, "%s: group key cipher=%s (%u)",
+		   __func__, ciphernames[v], v);
+	if (set80211param(priv, IEEE80211_IOC_MCASTCIPHER, v)) {
+		printf("Unable to set group key cipher to %u (%s)\n",
+			v, ciphernames[v]);
+		return -1;
+	}
+	if (v == IEEE80211_CIPHER_WEP) {
+		/* key length is done only for specific ciphers */
+		v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
+		if (set80211param(priv, IEEE80211_IOC_MCASTKEYLEN, v)) {
+			printf("Unable to set group key length to %u\n", v);
+			return -1;
+		}
+	}
+
+	v = 0;
+	if (params->wpa_pairwise & WPA_CIPHER_CCMP)
+		v |= 1<<IEEE80211_CIPHER_AES_CCM;
+	if (params->wpa_pairwise & WPA_CIPHER_TKIP)
+		v |= 1<<IEEE80211_CIPHER_TKIP;
+	if (params->wpa_pairwise & WPA_CIPHER_NONE)
+		v |= 1<<IEEE80211_CIPHER_NONE;
+	wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
+	if (set80211param(priv, IEEE80211_IOC_UCASTCIPHERS, v)) {
+		printf("Unable to set pairwise key ciphers to 0x%x\n", v);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
+		   __func__, params->wpa_key_mgmt);
+	if (set80211param(priv, IEEE80211_IOC_KEYMGTALGS,
+			  params->wpa_key_mgmt)) {
+		printf("Unable to set key management algorithms to 0x%x\n",
+			params->wpa_key_mgmt);
+		return -1;
+	}
+
+	v = 0;
+	if (params->rsn_preauth)
+		v |= BIT(0);
+	wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
+		   __func__, params->rsn_preauth);
+	if (set80211param(priv, IEEE80211_IOC_RSNCAPS, v)) {
+		printf("Unable to set RSN capabilities to 0x%x\n", v);
+		return -1;
+	}
+#endif /* IEEE80211_IOC_APPIE */
+
+	wpa_printf(MSG_DEBUG, "%s: enable WPA= 0x%x", __func__, params->wpa);
+	if (set80211param(priv, IEEE80211_IOC_WPA, params->wpa)) {
+		printf("Unable to set WPA to %u\n", params->wpa);
+		return -1;
+	}
+	return 0;
+}
+
+static int
+bsd_set_ieee8021x(void *priv, struct wpa_bss_params *params)
+{
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
+
+	if (!params->enabled) {
+		/* XXX restore state */
+		return set80211param(priv, IEEE80211_IOC_AUTHMODE,
+				     IEEE80211_AUTH_AUTO);
+	}
+	if (!params->wpa && !params->ieee802_1x) {
+		wpa_printf(MSG_ERROR, "%s: No 802.1X or WPA enabled",
+			   __func__);
+		return -1;
+	}
+	if (params->wpa && bsd_configure_wpa(priv, params) != 0) {
+		wpa_printf(MSG_ERROR, "%s: Failed to configure WPA state",
+			   __func__);
+		return -1;
+	}
+	if (set80211param(priv, IEEE80211_IOC_AUTHMODE,
+		(params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
+		wpa_printf(MSG_ERROR, "%s: Failed to enable WPA/802.1X",
+			   __func__);
+		return -1;
+	}
+	return bsd_ctrl_iface(priv, 1);
+}
+
+static int
+bsd_set_sta_authorized(void *priv, const u8 *addr,
+		       int total_flags, int flags_or, int flags_and)
+{
+	int authorized = -1;
+
+	/* For now, only support setting Authorized flag */
+	if (flags_or & WPA_STA_AUTHORIZED)
+		authorized = 1;
+	if (!(flags_and & WPA_STA_AUTHORIZED))
+		authorized = 0;
+
+	if (authorized < 0)
+		return 0;
+
+	return bsd_send_mlme_param(priv, authorized ?
+				   IEEE80211_MLME_AUTHORIZE :
+				   IEEE80211_MLME_UNAUTHORIZE, 0, addr);
+}
+
+static void
+bsd_new_sta(void *priv, void *ctx, u8 addr[IEEE80211_ADDR_LEN])
+{
+	struct ieee80211req_wpaie ie;
+	int ielen = 0;
+	u8 *iebuf = NULL;
+
+	/*
+	 * Fetch and validate any negotiated WPA/RSN parameters.
+	 */
+	memset(&ie, 0, sizeof(ie));
+	memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
+	if (get80211var(priv, IEEE80211_IOC_WPAIE, &ie, sizeof(ie)) < 0) {
+		printf("Failed to get WPA/RSN information element.\n");
+		goto no_ie;
+	}
+	iebuf = ie.wpa_ie;
+	ielen = ie.wpa_ie[1];
+	if (ielen == 0)
+		iebuf = NULL;
+	else
+		ielen += 2;
+
+no_ie:
+	drv_event_assoc(ctx, addr, iebuf, ielen, 0);
+}
+
+static int
+bsd_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
+	       int encrypt, const u8 *own_addr, u32 flags)
+{
+	struct bsd_driver_data *drv = priv;
+
+	wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", data, data_len);
+
+	return l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, data,
+			      data_len);
+}
+
+static int
+bsd_set_freq(void *priv, struct hostapd_freq_params *freq)
+{
+	struct bsd_driver_data *drv = priv;
+#ifdef SIOCS80211CHANNEL
+	struct ieee80211chanreq creq;
+#endif /* SIOCS80211CHANNEL */
+	u32 mode;
+	int channel = freq->channel;
+
+	if (channel < 14) {
+		mode =
+#ifdef CONFIG_IEEE80211N
+			freq->ht_enabled ? IFM_IEEE80211_11NG :
+#endif /* CONFIG_IEEE80211N */
+		        IFM_IEEE80211_11G;
+	} else if (channel == 14) {
+		mode = IFM_IEEE80211_11B;
+	} else {
+		mode =
+#ifdef CONFIG_IEEE80211N
+			freq->ht_enabled ? IFM_IEEE80211_11NA :
+#endif /* CONFIG_IEEE80211N */
+			IFM_IEEE80211_11A;
+	}
+	if (bsd_set_mediaopt(drv, IFM_MMASK, mode) < 0) {
+		wpa_printf(MSG_ERROR, "%s: failed to set modulation mode",
+			   __func__);
+		return -1;
+	}
+
+#ifdef SIOCS80211CHANNEL
+	os_memset(&creq, 0, sizeof(creq));
+	os_strlcpy(creq.i_name, drv->ifname, sizeof(creq.i_name));
+	creq.i_channel = (u_int16_t)channel;
+	return ioctl(drv->sock, SIOCS80211CHANNEL, &creq);
+#else /* SIOCS80211CHANNEL */
+	return set80211param(priv, IEEE80211_IOC_CHANNEL, channel);
+#endif /* SIOCS80211CHANNEL */
+}
+
+static int
+bsd_set_opt_ie(void *priv, const u8 *ie, size_t ie_len)
+{
+#ifdef IEEE80211_IOC_APPIE
+	wpa_printf(MSG_DEBUG, "%s: set WPA+RSN ie (len %lu)", __func__,
+		   (unsigned long)ie_len);
+	return bsd_set80211(priv, IEEE80211_IOC_APPIE, IEEE80211_APPIE_WPA,
+			    ie, ie_len);
+#endif /* IEEE80211_IOC_APPIE */
+	return 0;
+}
+
+static int
+rtbuf_len(void)
+{
+	size_t len;
+
+	int mib[6] = {CTL_NET, AF_ROUTE, 0, AF_INET, NET_RT_DUMP, 0};
+
+	if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) {
+		wpa_printf(MSG_WARNING, "%s failed: %s\n", __func__,
+			   strerror(errno));
+		len = 2048;
+	}
+
+	return len;
+}
+
+#ifdef HOSTAPD
+
+/*
+ * Avoid conflicts with hostapd definitions by undefining couple of defines
+ * from net80211 header files.
+ */
+#undef RSN_VERSION
+#undef WPA_VERSION
+#undef WPA_OUI_TYPE
+
+static int bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
+			  int reason_code);
+
+static const char *
+ether_sprintf(const u8 *addr)
+{
+	static char buf[sizeof(MACSTR)];
+
+	if (addr != NULL)
+		snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
+	else
+		snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
+	return buf;
+}
+
+static int
+bsd_set_privacy(void *priv, int enabled)
+{
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
+
+	return set80211param(priv, IEEE80211_IOC_PRIVACY, enabled);
+}
+
+static int
+bsd_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
+	       u8 *seq)
+{
+	struct ieee80211req_key wk;
+
+	wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
+		   __func__, ether_sprintf(addr), idx);
+
+	memset(&wk, 0, sizeof(wk));
+	if (addr == NULL)
+		memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
+	else
+		memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
+	wk.ik_keyix = idx;
+
+	if (get80211var(priv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)) < 0) {
+		printf("Failed to get encryption.\n");
+		return -1;
+	}
+
+#ifdef WORDS_BIGENDIAN
+	{
+		/*
+		 * wk.ik_keytsc is in host byte order (big endian), need to
+		 * swap it to match with the byte order used in WPA.
+		 */
+		int i;
+		u8 tmp[WPA_KEY_RSC_LEN];
+		memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
+		for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
+			seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
+		}
+	}
+#else /* WORDS_BIGENDIAN */
+	memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
+#endif /* WORDS_BIGENDIAN */
+	return 0;
+}
+
+
+static int 
+bsd_flush(void *priv)
+{
+	u8 allsta[IEEE80211_ADDR_LEN];
+
+	memset(allsta, 0xff, IEEE80211_ADDR_LEN);
+	return bsd_sta_deauth(priv, NULL, allsta, IEEE80211_REASON_AUTH_LEAVE);
+}
+
+
+static int
+bsd_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
+			 const u8 *addr)
+{
+	struct ieee80211req_sta_stats stats;
+
+	memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
+	if (get80211var(priv, IEEE80211_IOC_STA_STATS, &stats, sizeof(stats))
+	    > 0) {
+		/* XXX? do packets counts include non-data frames? */
+		data->rx_packets = stats.is_stats.ns_rx_data;
+		data->rx_bytes = stats.is_stats.ns_rx_bytes;
+		data->tx_packets = stats.is_stats.ns_tx_data;
+		data->tx_bytes = stats.is_stats.ns_tx_bytes;
+	}
+	return 0;
+}
+
+static int
+bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, int reason_code)
+{
+	return bsd_send_mlme_param(priv, IEEE80211_MLME_DEAUTH, reason_code,
+				   addr);
+}
+
+static int
+bsd_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
+		 int reason_code)
+{
+	return bsd_send_mlme_param(priv, IEEE80211_MLME_DISASSOC, reason_code,
+				   addr);
+}
+
+static void
+bsd_wireless_event_receive(int sock, void *ctx, void *sock_ctx)
+{
+	struct bsd_driver_data *drv = ctx;
+	char *buf;
+	struct if_announcemsghdr *ifan;
+	struct rt_msghdr *rtm;
+	struct ieee80211_michael_event *mic;
+	struct ieee80211_join_event *join;
+	struct ieee80211_leave_event *leave;
+	int n, len;
+	union wpa_event_data data;
+
+	len = rtbuf_len();
+
+	buf = os_malloc(len);
+	if (buf == NULL) {
+		wpa_printf(MSG_ERROR, "%s os_malloc() failed\n", __func__);
+		return;
+	}
+
+	n = read(sock, buf, len);
+	if (n < 0) {
+		if (errno != EINTR && errno != EAGAIN)
+			wpa_printf(MSG_ERROR, "%s read() failed: %s\n",
+				   __func__, strerror(errno));
+		os_free(buf);
+		return;
+	}
+
+	rtm = (struct rt_msghdr *) buf;
+	if (rtm->rtm_version != RTM_VERSION) {
+		wpa_printf(MSG_DEBUG, "Invalid routing message version=%d",
+			   rtm->rtm_version);
+		os_free(buf);
+		return;
+	}
+	ifan = (struct if_announcemsghdr *) rtm;
+	switch (rtm->rtm_type) {
+	case RTM_IEEE80211:
+		switch (ifan->ifan_what) {
+		case RTM_IEEE80211_ASSOC:
+		case RTM_IEEE80211_REASSOC:
+		case RTM_IEEE80211_DISASSOC:
+		case RTM_IEEE80211_SCAN:
+			break;
+		case RTM_IEEE80211_LEAVE:
+			leave = (struct ieee80211_leave_event *) &ifan[1];
+			drv_event_disassoc(drv->hapd, leave->iev_addr);
+			break;
+		case RTM_IEEE80211_JOIN:
+#ifdef RTM_IEEE80211_REJOIN
+		case RTM_IEEE80211_REJOIN:
+#endif
+			join = (struct ieee80211_join_event *) &ifan[1];
+			bsd_new_sta(drv, drv->hapd, join->iev_addr);
+			break;
+		case RTM_IEEE80211_REPLAY:
+			/* ignore */
+			break;
+		case RTM_IEEE80211_MICHAEL:
+			mic = (struct ieee80211_michael_event *) &ifan[1];
+			wpa_printf(MSG_DEBUG,
+				"Michael MIC failure wireless event: "
+				"keyix=%u src_addr=" MACSTR, mic->iev_keyix,
+				MAC2STR(mic->iev_src));
+			os_memset(&data, 0, sizeof(data));
+			data.michael_mic_failure.unicast = 1;
+			data.michael_mic_failure.src = mic->iev_src;
+			wpa_supplicant_event(drv->hapd,
+					     EVENT_MICHAEL_MIC_FAILURE, &data);
+			break;
+		}
+		break;
+	}
+	os_free(buf);
+}
+
+static void
+handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
+{
+	struct bsd_driver_data *drv = ctx;
+	drv_event_eapol_rx(drv->hapd, src_addr, buf, len);
+}
+
+static void *
+bsd_init(struct hostapd_data *hapd, struct wpa_init_params *params)
+{
+	struct bsd_driver_data *drv;
+
+	drv = os_zalloc(sizeof(struct bsd_driver_data));
+	if (drv == NULL) {
+		printf("Could not allocate memory for bsd driver data\n");
+		goto bad;
+	}
+
+	drv->hapd = hapd;
+	drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
+	if (drv->sock < 0) {
+		perror("socket[PF_INET,SOCK_DGRAM]");
+		goto bad;
+	}
+	os_strlcpy(drv->ifname, params->ifname, sizeof(drv->ifname));
+
+	drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL,
+					handle_read, drv, 0);
+	if (drv->sock_xmit == NULL)
+		goto bad;
+	if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
+		goto bad;
+
+	/* mark down during setup */
+	if (bsd_ctrl_iface(drv, 0) < 0)
+		goto bad;
+
+	drv->route = socket(PF_ROUTE, SOCK_RAW, 0);
+	if (drv->route < 0) {
+		perror("socket(PF_ROUTE,SOCK_RAW)");
+		goto bad;
+	}
+	eloop_register_read_sock(drv->route, bsd_wireless_event_receive, drv,
+				 NULL);
+
+	if (bsd_set_mediaopt(drv, IFM_OMASK, IFM_IEEE80211_HOSTAP) < 0) {
+		wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
+			   __func__);
+		goto bad;
+	}
+
+	return drv;
+bad:
+	if (drv->sock_xmit != NULL)
+		l2_packet_deinit(drv->sock_xmit);
+	if (drv->sock >= 0)
+		close(drv->sock);
+	if (drv != NULL)
+		os_free(drv);
+	return NULL;
+}
+
+
+static void
+bsd_deinit(void *priv)
+{
+	struct bsd_driver_data *drv = priv;
+
+	if (drv->route >= 0) {
+		eloop_unregister_read_sock(drv->route);
+		close(drv->route);
+	}
+	bsd_ctrl_iface(drv, 0);
+	if (drv->sock >= 0)
+		close(drv->sock);
+	if (drv->sock_xmit != NULL)
+		l2_packet_deinit(drv->sock_xmit);
+	os_free(drv);
+}
+
+#else /* HOSTAPD */
+
+static int
+get80211param(struct bsd_driver_data *drv, int op)
+{
+	struct ieee80211req ireq;
+
+	if (bsd_get80211(drv, &ireq, op, NULL, 0) < 0)
+		return -1;
+	return ireq.i_val;
+}
+
+static int
+wpa_driver_bsd_get_bssid(void *priv, u8 *bssid)
+{
+	struct bsd_driver_data *drv = priv;
+#ifdef SIOCG80211BSSID
+	struct ieee80211_bssid bs;
+
+	os_strlcpy(bs.i_name, drv->ifname, sizeof(bs.i_name));
+	if (ioctl(drv->sock, SIOCG80211BSSID, &bs) < 0)
+		return -1;
+	os_memcpy(bssid, bs.i_bssid, sizeof(bs.i_bssid));
+	return 0;
+#else
+	return get80211var(drv, IEEE80211_IOC_BSSID,
+		bssid, IEEE80211_ADDR_LEN) < 0 ? -1 : 0;
+#endif
+}
+
+static int
+wpa_driver_bsd_get_ssid(void *priv, u8 *ssid)
+{
+	struct bsd_driver_data *drv = priv;
+	return bsd_get_ssid(drv, ssid, 0);
+}
+
+static int
+wpa_driver_bsd_set_wpa_ie(struct bsd_driver_data *drv, const u8 *wpa_ie,
+			  size_t wpa_ie_len)
+{
+#ifdef IEEE80211_IOC_APPIE
+	return bsd_set_opt_ie(drv, wpa_ie, wpa_ie_len);
+#else /* IEEE80211_IOC_APPIE */
+	return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len);
+#endif /* IEEE80211_IOC_APPIE */
+}
+
+static int
+wpa_driver_bsd_set_wpa_internal(void *priv, int wpa, int privacy)
+{
+	int ret = 0;
+
+	wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d",
+		__FUNCTION__, wpa, privacy);
+
+	if (!wpa && wpa_driver_bsd_set_wpa_ie(priv, NULL, 0) < 0)
+		ret = -1;
+	if (set80211param(priv, IEEE80211_IOC_PRIVACY, privacy) < 0)
+		ret = -1;
+	if (set80211param(priv, IEEE80211_IOC_WPA, wpa) < 0)
+		ret = -1;
+
+	return ret;
+}
+
+static int
+wpa_driver_bsd_set_wpa(void *priv, int enabled)
+{
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
+
+	return wpa_driver_bsd_set_wpa_internal(priv, enabled ? 3 : 0, enabled);
+}
+
+static int
+wpa_driver_bsd_set_countermeasures(void *priv, int enabled)
+{
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
+	return set80211param(priv, IEEE80211_IOC_COUNTERMEASURES, enabled);
+}
+
+
+static int
+wpa_driver_bsd_set_drop_unencrypted(void *priv, int enabled)
+{
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
+	return set80211param(priv, IEEE80211_IOC_DROPUNENCRYPTED, enabled);
+}
+
+static int
+wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, int reason_code)
+{
+	return bsd_send_mlme_param(priv, IEEE80211_MLME_DEAUTH, reason_code,
+				   addr);
+}
+
+static int
+wpa_driver_bsd_disassociate(void *priv, const u8 *addr, int reason_code)
+{
+	return bsd_send_mlme_param(priv, IEEE80211_MLME_DISASSOC, reason_code,
+				   addr);
+}
+
+static int
+wpa_driver_bsd_set_auth_alg(void *priv, int auth_alg)
+{
+	int authmode;
+
+	if ((auth_alg & WPA_AUTH_ALG_OPEN) &&
+	    (auth_alg & WPA_AUTH_ALG_SHARED))
+		authmode = IEEE80211_AUTH_AUTO;
+	else if (auth_alg & WPA_AUTH_ALG_SHARED)
+		authmode = IEEE80211_AUTH_SHARED;
+	else
+		authmode = IEEE80211_AUTH_OPEN;
+
+	return set80211param(priv, IEEE80211_IOC_AUTHMODE, authmode);
+}
+
+static void
+handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
+{
+	struct bsd_driver_data *drv = ctx;
+
+	drv_event_eapol_rx(drv->ctx, src_addr, buf, len);
+}
+
+static int
+wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params)
+{
+	struct bsd_driver_data *drv = priv;
+	struct ieee80211req_mlme mlme;
+	u32 mode;
+	int privacy;
+	int ret = 0;
+
+	wpa_printf(MSG_DEBUG,
+		"%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u"
+		, __func__
+		   , (unsigned int) params->ssid_len, params->ssid
+		, (unsigned int) params->wpa_ie_len
+		, params->pairwise_suite
+		, params->group_suite
+		, params->key_mgmt_suite
+	);
+
+	switch (params->mode) {
+	case IEEE80211_MODE_INFRA:
+		mode = 0 /* STA */;
+		break;
+	case IEEE80211_MODE_IBSS:
+		mode = IFM_IEEE80211_IBSS;
+		break;
+	case IEEE80211_MODE_AP:
+		mode = IFM_IEEE80211_HOSTAP;
+		break;
+	default:
+		wpa_printf(MSG_ERROR, "%s: unknown operation mode", __func__);
+		return -1;
+	}
+	if (bsd_set_mediaopt(drv, IFM_OMASK, mode) < 0) {
+		wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
+			   __func__);
+		return -1;
+	}
+
+	if (params->mode == IEEE80211_MODE_AP) {
+		drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL,
+						handle_read, drv, 0);
+		if (drv->sock_xmit == NULL)
+			return -1;
+		drv->is_ap = 1;
+		return 0;
+	}
+
+	if (wpa_driver_bsd_set_drop_unencrypted(drv, params->drop_unencrypted)
+	    < 0)
+		ret = -1;
+	if (wpa_driver_bsd_set_auth_alg(drv, params->auth_alg) < 0)
+		ret = -1;
+	/* XXX error handling is wrong but unclear what to do... */
+	if (wpa_driver_bsd_set_wpa_ie(drv, params->wpa_ie, params->wpa_ie_len) < 0)
+		return -1;
+
+	privacy = !(params->pairwise_suite == CIPHER_NONE &&
+	    params->group_suite == CIPHER_NONE &&
+	    params->key_mgmt_suite == KEY_MGMT_NONE &&
+	    params->wpa_ie_len == 0);
+	wpa_printf(MSG_DEBUG, "%s: set PRIVACY %u", __func__, privacy);
+
+	if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
+		return -1;
+
+	if (params->wpa_ie_len &&
+	    set80211param(drv, IEEE80211_IOC_WPA,
+			  params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1) < 0)
+		return -1;
+
+	os_memset(&mlme, 0, sizeof(mlme));
+	mlme.im_op = IEEE80211_MLME_ASSOC;
+	if (params->ssid != NULL)
+		os_memcpy(mlme.im_ssid, params->ssid, params->ssid_len);
+	mlme.im_ssid_len = params->ssid_len;
+	if (params->bssid != NULL)
+		os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
+	if (set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)) < 0)
+		return -1;
+	return ret;
+}
+
+static int
+wpa_driver_bsd_scan(void *priv, struct wpa_driver_scan_params *params)
+{
+	struct bsd_driver_data *drv = priv;
+#ifdef IEEE80211_IOC_SCAN_MAX_SSID
+	struct ieee80211_scan_req sr;
+	int i;
+#endif /* IEEE80211_IOC_SCAN_MAX_SSID */
+
+	if (bsd_set_mediaopt(drv, IFM_OMASK, 0 /* STA */) < 0) {
+		wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
+			   __func__);
+		return -1;
+	}
+
+	if (set80211param(drv, IEEE80211_IOC_ROAMING,
+			  IEEE80211_ROAMING_MANUAL) < 0) {
+		wpa_printf(MSG_ERROR, "%s: failed to set "
+			   "wpa_supplicant-based roaming: %s", __func__,
+			   strerror(errno));
+		return -1;
+	}
+
+	if (wpa_driver_bsd_set_wpa(drv, 1) < 0) {
+		wpa_printf(MSG_ERROR, "%s: failed to set wpa: %s", __func__,
+			   strerror(errno));
+		return -1;
+	}
+
+	/* NB: interface must be marked UP to do a scan */
+	if (bsd_ctrl_iface(drv, 1) < 0)
+		return -1;
+
+#ifdef IEEE80211_IOC_SCAN_MAX_SSID
+	os_memset(&sr, 0, sizeof(sr));
+	sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE |
+		IEEE80211_IOC_SCAN_NOJOIN;
+	sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER;
+	if (params->num_ssids > 0) {
+		sr.sr_nssid = params->num_ssids;
+#if 0
+		/* Boundary check is done by upper layer */
+		if (sr.sr_nssid > IEEE80211_IOC_SCAN_MAX_SSID)
+			sr.sr_nssid = IEEE80211_IOC_SCAN_MAX_SSID;
+#endif
+
+		/* NB: check scan cache first */
+		sr.sr_flags |= IEEE80211_IOC_SCAN_CHECK;
+	}
+	for (i = 0; i < sr.sr_nssid; i++) {
+		sr.sr_ssid[i].len = params->ssids[i].ssid_len;
+		os_memcpy(sr.sr_ssid[i].ssid, params->ssids[i].ssid,
+			  sr.sr_ssid[i].len);
+	}
+
+	/* NB: net80211 delivers a scan complete event so no need to poll */
+	return set80211var(drv, IEEE80211_IOC_SCAN_REQ, &sr, sizeof(sr));
+#else /* IEEE80211_IOC_SCAN_MAX_SSID */
+	/* set desired ssid before scan */
+	if (bsd_set_ssid(drv, params->ssids[0].ssid,
+			 params->ssids[0].ssid_len) < 0)
+		return -1;
+
+	/* NB: net80211 delivers a scan complete event so no need to poll */
+	return set80211param(drv, IEEE80211_IOC_SCAN_REQ, 0);
+#endif /* IEEE80211_IOC_SCAN_MAX_SSID */
+}
+
+static void
+wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx)
+{
+	struct bsd_driver_data *drv = sock_ctx;
+	char *buf;
+	struct if_announcemsghdr *ifan;
+	struct if_msghdr *ifm;
+	struct rt_msghdr *rtm;
+	union wpa_event_data event;
+	struct ieee80211_michael_event *mic;
+	struct ieee80211_leave_event *leave;
+	struct ieee80211_join_event *join;
+	int n, len;
+
+	len = rtbuf_len();
+
+	buf = os_malloc(len);
+	if (buf == NULL) {
+		wpa_printf(MSG_ERROR, "%s os_malloc() failed\n", __func__);
+		return;
+	}
+
+	n = read(sock, buf, len);
+	if (n < 0) {
+		if (errno != EINTR && errno != EAGAIN)
+			wpa_printf(MSG_ERROR, "%s read() failed: %s\n",
+				   __func__, strerror(errno));
+		os_free(buf);
+		return;
+	}
+
+	rtm = (struct rt_msghdr *) buf;
+	if (rtm->rtm_version != RTM_VERSION) {
+		wpa_printf(MSG_DEBUG, "Invalid routing message version=%d",
+			   rtm->rtm_version);
+		os_free(buf);
+		return;
+	}
+	os_memset(&event, 0, sizeof(event));
+	switch (rtm->rtm_type) {
+	case RTM_IFANNOUNCE:
+		ifan = (struct if_announcemsghdr *) rtm;
+		if (ifan->ifan_index != drv->ifindex)
+			break;
+		os_strlcpy(event.interface_status.ifname, drv->ifname,
+			   sizeof(event.interface_status.ifname));
+		switch (ifan->ifan_what) {
+		case IFAN_DEPARTURE:
+			event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
+		default:
+			os_free(buf);
+			return;
+		}
+		wpa_printf(MSG_DEBUG, "RTM_IFANNOUNCE: Interface '%s' %s",
+			   event.interface_status.ifname,
+			   ifan->ifan_what == IFAN_DEPARTURE ?
+				"removed" : "added");
+		wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
+		break;
+	case RTM_IEEE80211:
+		ifan = (struct if_announcemsghdr *) rtm;
+		if (ifan->ifan_index != drv->ifindex)
+			break;
+		switch (ifan->ifan_what) {
+		case RTM_IEEE80211_ASSOC:
+		case RTM_IEEE80211_REASSOC:
+			if (drv->is_ap)
+				break;
+			wpa_supplicant_event(ctx, EVENT_ASSOC, NULL);
+			break;
+		case RTM_IEEE80211_DISASSOC:
+			if (drv->is_ap)
+				break;
+			wpa_supplicant_event(ctx, EVENT_DISASSOC, NULL);
+			break;
+		case RTM_IEEE80211_SCAN:
+			if (drv->is_ap)
+				break;
+			wpa_supplicant_event(ctx, EVENT_SCAN_RESULTS, NULL);
+			break;
+		case RTM_IEEE80211_LEAVE:
+			leave = (struct ieee80211_leave_event *) &ifan[1];
+			drv_event_disassoc(ctx, leave->iev_addr);
+			break;
+		case RTM_IEEE80211_JOIN:
+#ifdef RTM_IEEE80211_REJOIN
+		case RTM_IEEE80211_REJOIN:
+#endif
+			join = (struct ieee80211_join_event *) &ifan[1];
+			bsd_new_sta(drv, ctx, join->iev_addr);
+			break;
+		case RTM_IEEE80211_REPLAY:
+			/* ignore */
+			break;
+		case RTM_IEEE80211_MICHAEL:
+			mic = (struct ieee80211_michael_event *) &ifan[1];
+			wpa_printf(MSG_DEBUG,
+				"Michael MIC failure wireless event: "
+				"keyix=%u src_addr=" MACSTR, mic->iev_keyix,
+				MAC2STR(mic->iev_src));
+
+			os_memset(&event, 0, sizeof(event));
+			event.michael_mic_failure.unicast =
+				!IEEE80211_IS_MULTICAST(mic->iev_dst);
+			wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE,
+				&event);
+			break;
+		}
+		break;
+	case RTM_IFINFO:
+		ifm = (struct if_msghdr *) rtm;
+		if (ifm->ifm_index != drv->ifindex)
+			break;
+		if ((rtm->rtm_flags & RTF_UP) == 0) {
+			os_strlcpy(event.interface_status.ifname, drv->ifname,
+				   sizeof(event.interface_status.ifname));
+			event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
+			wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN",
+				   event.interface_status.ifname);
+			wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
+		}
+		break;
+	}
+	os_free(buf);
+}
+
+static void
+wpa_driver_bsd_add_scan_entry(struct wpa_scan_results *res,
+			      struct ieee80211req_scan_result *sr)
+{
+	struct wpa_scan_res *result, **tmp;
+	size_t extra_len;
+	u8 *pos;
+
+	extra_len = 2 + sr->isr_ssid_len;
+	extra_len += 2 + sr->isr_nrates;
+	extra_len += 3; /* ERP IE */
+	extra_len += sr->isr_ie_len;
+
+	result = os_zalloc(sizeof(*result) + extra_len);
+	if (result == NULL)
+		return;
+	os_memcpy(result->bssid, sr->isr_bssid, ETH_ALEN);
+	result->freq = sr->isr_freq;
+	result->beacon_int = sr->isr_intval;
+	result->caps = sr->isr_capinfo;
+	result->qual = sr->isr_rssi;
+	result->noise = sr->isr_noise;
+
+	pos = (u8 *)(result + 1);
+
+	*pos++ = WLAN_EID_SSID;
+	*pos++ = sr->isr_ssid_len;
+	os_memcpy(pos, sr + 1, sr->isr_ssid_len);
+	pos += sr->isr_ssid_len;
+
+	/*
+	 * Deal all rates as supported rate.
+	 * Because net80211 doesn't report extended supported rate or not.
+	 */
+	*pos++ = WLAN_EID_SUPP_RATES;
+	*pos++ = sr->isr_nrates;
+	os_memcpy(pos, sr->isr_rates, sr->isr_nrates);
+	pos += sr->isr_nrates;
+
+	*pos++ = WLAN_EID_ERP_INFO;
+	*pos++ = 1;
+	*pos++ = sr->isr_erp;
+
+	os_memcpy(pos, (u8 *)(sr + 1) + sr->isr_ssid_len, sr->isr_ie_len);
+	pos += sr->isr_ie_len;
+
+	result->ie_len = pos - (u8 *)(result + 1);
+
+	tmp = os_realloc(res->res,
+			 (res->num + 1) * sizeof(struct wpa_scan_res *));
+	if (tmp == NULL) {
+		os_free(result);
+		return;
+	}
+	tmp[res->num++] = result;
+	res->res = tmp;
+}
+
+struct wpa_scan_results *
+wpa_driver_bsd_get_scan_results2(void *priv)
+{
+	struct ieee80211req_scan_result *sr;
+	struct wpa_scan_results *res;
+	int len, rest;
+	uint8_t buf[24*1024], *pos;
+
+	len = get80211var(priv, IEEE80211_IOC_SCAN_RESULTS, buf, 24*1024);
+	if (len < 0)
+		return NULL;
+
+	res = os_zalloc(sizeof(*res));
+	if (res == NULL)
+		return NULL;
+
+	pos = buf;
+	rest = len;
+	while (rest >= sizeof(struct ieee80211req_scan_result)) {
+		sr = (struct ieee80211req_scan_result *)pos;
+		wpa_driver_bsd_add_scan_entry(res, sr);
+		pos += sr->isr_len;
+		rest -= sr->isr_len;
+	}
+
+	wpa_printf(MSG_DEBUG, "Received %d bytes of scan results (%lu BSSes)",
+		   len, (unsigned long)res->num);
+
+	return res;
+}
+
+static int wpa_driver_bsd_capa(struct bsd_driver_data *drv)
+{
+#ifdef IEEE80211_IOC_DEVCAPS
+/* kernel definitions copied from net80211/ieee80211_var.h */
+#define IEEE80211_CIPHER_WEP            0
+#define IEEE80211_CIPHER_TKIP           1
+#define IEEE80211_CIPHER_AES_CCM        3
+#define IEEE80211_CRYPTO_WEP            (1<<IEEE80211_CIPHER_WEP)
+#define IEEE80211_CRYPTO_TKIP           (1<<IEEE80211_CIPHER_TKIP)
+#define IEEE80211_CRYPTO_AES_CCM        (1<<IEEE80211_CIPHER_AES_CCM)
+#define IEEE80211_C_HOSTAP      0x00000400      /* CAPABILITY: HOSTAP avail */
+#define IEEE80211_C_WPA1        0x00800000      /* CAPABILITY: WPA1 avail */
+#define IEEE80211_C_WPA2        0x01000000      /* CAPABILITY: WPA2 avail */
+	struct ieee80211_devcaps_req devcaps;
+
+	if (get80211var(drv, IEEE80211_IOC_DEVCAPS, &devcaps,
+			sizeof(devcaps)) < 0) {
+		wpa_printf(MSG_ERROR, "failed to IEEE80211_IOC_DEVCAPS: %s",
+			   strerror(errno));
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "%s: drivercaps=0x%08x,cryptocaps=0x%08x",
+		   __func__, devcaps.dc_drivercaps, devcaps.dc_cryptocaps);
+
+	if (devcaps.dc_drivercaps & IEEE80211_C_WPA1)
+		drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
+			WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
+	if (devcaps.dc_drivercaps & IEEE80211_C_WPA2)
+		drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
+			WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
+
+	if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_WEP)
+		drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 |
+			WPA_DRIVER_CAPA_ENC_WEP104;
+	if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_TKIP)
+		drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
+	if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_AES_CCM)
+		drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
+
+	if (devcaps.dc_drivercaps & IEEE80211_C_HOSTAP)
+		drv->capa.flags |= WPA_DRIVER_FLAGS_AP;
+#undef IEEE80211_CIPHER_WEP
+#undef IEEE80211_CIPHER_TKIP
+#undef IEEE80211_CIPHER_AES_CCM
+#undef IEEE80211_CRYPTO_WEP
+#undef IEEE80211_CRYPTO_TKIP
+#undef IEEE80211_CRYPTO_AES_CCM
+#undef IEEE80211_C_HOSTAP
+#undef IEEE80211_C_WPA1
+#undef IEEE80211_C_WPA2
+#else /* IEEE80211_IOC_DEVCAPS */
+	/* For now, assume TKIP, CCMP, WPA, WPA2 are supported */
+	drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
+		WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
+		WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
+		WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
+	drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 |
+		WPA_DRIVER_CAPA_ENC_WEP104 |
+		WPA_DRIVER_CAPA_ENC_TKIP |
+		WPA_DRIVER_CAPA_ENC_CCMP;
+	drv->capa.flags |= WPA_DRIVER_FLAGS_AP;
+#endif /* IEEE80211_IOC_DEVCAPS */
+#ifdef IEEE80211_IOC_SCAN_MAX_SSID
+	drv->capa.max_scan_ssids = IEEE80211_IOC_SCAN_MAX_SSID;
+#else /* IEEE80211_IOC_SCAN_MAX_SSID */
+	drv->capa.max_scan_ssids = 1;
+#endif /* IEEE80211_IOC_SCAN_MAX_SSID */
+	drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
+		WPA_DRIVER_AUTH_SHARED |
+		WPA_DRIVER_AUTH_LEAP;
+	return 0;
+}
+
+static void *
+wpa_driver_bsd_init(void *ctx, const char *ifname)
+{
+#define	GETPARAM(drv, param, v) \
+	(((v) = get80211param(drv, param)) != -1)
+	struct bsd_driver_data *drv;
+
+	drv = os_zalloc(sizeof(*drv));
+	if (drv == NULL)
+		return NULL;
+	/*
+	 * NB: We require the interface name be mappable to an index.
+	 *     This implies we do not support having wpa_supplicant
+	 *     wait for an interface to appear.  This seems ok; that
+	 *     doesn't belong here; it's really the job of devd.
+	 */
+	drv->ifindex = if_nametoindex(ifname);
+	if (drv->ifindex == 0) {
+		wpa_printf(MSG_DEBUG, "%s: interface %s does not exist",
+			   __func__, ifname);
+		goto fail1;
+	}
+	drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
+	if (drv->sock < 0)
+		goto fail1;
+	drv->route = socket(PF_ROUTE, SOCK_RAW, 0);
+	if (drv->route < 0)
+		goto fail;
+	eloop_register_read_sock(drv->route,
+		wpa_driver_bsd_event_receive, ctx, drv);
+
+	drv->ctx = ctx;
+	os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
+
+	/* Down interface during setup. */
+	if (bsd_ctrl_iface(drv, 0) < 0)
+		goto fail;
+
+	if (!GETPARAM(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)) {
+		wpa_printf(MSG_DEBUG, "%s: failed to get roaming state: %s",
+			__func__, strerror(errno));
+		goto fail;
+	}
+	if (!GETPARAM(drv, IEEE80211_IOC_PRIVACY, drv->prev_privacy)) {
+		wpa_printf(MSG_DEBUG, "%s: failed to get privacy state: %s",
+			__func__, strerror(errno));
+		goto fail;
+	}
+	if (!GETPARAM(drv, IEEE80211_IOC_WPA, drv->prev_wpa)) {
+		wpa_printf(MSG_DEBUG, "%s: failed to get wpa state: %s",
+			__func__, strerror(errno));
+		goto fail;
+	}
+
+	if (wpa_driver_bsd_capa(drv))
+		goto fail;
+
+	return drv;
+fail:
+	close(drv->sock);
+fail1:
+	os_free(drv);
+	return NULL;
+#undef GETPARAM
+}
+
+static void
+wpa_driver_bsd_deinit(void *priv)
+{
+	struct bsd_driver_data *drv = priv;
+
+	wpa_driver_bsd_set_wpa(drv, 0);
+	eloop_unregister_read_sock(drv->route);
+
+	/* NB: mark interface down */
+	bsd_ctrl_iface(drv, 0);
+
+	wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa, drv->prev_privacy);
+	if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming) < 0)
+		wpa_printf(MSG_DEBUG, "%s: failed to restore roaming state",
+			__func__);
+
+	if (drv->sock_xmit != NULL)
+		l2_packet_deinit(drv->sock_xmit);
+	(void) close(drv->route);		/* ioctl socket */
+	(void) close(drv->sock);		/* event socket */
+	os_free(drv);
+}
+
+static int
+wpa_driver_bsd_get_capa(void *priv, struct wpa_driver_capa *capa)
+{
+	struct bsd_driver_data *drv = priv;
+
+	os_memcpy(capa, &drv->capa, sizeof(*capa));
+	return 0;
+}
+#endif /* HOSTAPD */
+
+
+const struct wpa_driver_ops wpa_driver_bsd_ops = {
+	.name			= "bsd",
+	.desc			= "BSD 802.11 support",
+#ifdef HOSTAPD
+	.hapd_init		= bsd_init,
+	.hapd_deinit		= bsd_deinit,
+	.set_privacy		= bsd_set_privacy,
+	.get_seqnum		= bsd_get_seqnum,
+	.flush			= bsd_flush,
+	.read_sta_data		= bsd_read_sta_driver_data,
+	.sta_disassoc		= bsd_sta_disassoc,
+	.sta_deauth		= bsd_sta_deauth,
+#else /* HOSTAPD */
+	.init			= wpa_driver_bsd_init,
+	.deinit			= wpa_driver_bsd_deinit,
+	.get_bssid		= wpa_driver_bsd_get_bssid,
+	.get_ssid		= wpa_driver_bsd_get_ssid,
+	.set_countermeasures	= wpa_driver_bsd_set_countermeasures,
+	.scan2			= wpa_driver_bsd_scan,
+	.get_scan_results2	= wpa_driver_bsd_get_scan_results2,
+	.deauthenticate		= wpa_driver_bsd_deauthenticate,
+	.disassociate		= wpa_driver_bsd_disassociate,
+	.associate		= wpa_driver_bsd_associate,
+	.get_capa		= wpa_driver_bsd_get_capa,
+#endif /* HOSTAPD */
+	.set_freq		= bsd_set_freq,
+	.set_key		= bsd_set_key,
+	.set_ieee8021x		= bsd_set_ieee8021x,
+	.hapd_set_ssid		= bsd_set_ssid,
+	.hapd_get_ssid		= bsd_get_ssid,
+	.hapd_send_eapol	= bsd_send_eapol,
+	.sta_set_flags		= bsd_set_sta_authorized,
+	.set_generic_elem	= bsd_set_opt_ie,
+};
diff --git a/src/drivers/driver_hostap.c b/src/drivers/driver_hostap.c
new file mode 100644
index 0000000..e855c1b
--- /dev/null
+++ b/src/drivers/driver_hostap.c
@@ -0,0 +1,1648 @@
+/*
+ * Driver interaction with Linux Host AP driver
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <sys/ioctl.h>
+
+#include "wireless_copy.h"
+#include "common.h"
+#include "driver.h"
+#include "driver_wext.h"
+#include "eloop.h"
+#include "driver_hostap.h"
+
+
+#ifdef HOSTAPD
+
+#include <net/if_arp.h>
+#include <netpacket/packet.h>
+
+#include "priv_netlink.h"
+#include "netlink.h"
+#include "linux_ioctl.h"
+#include "common/ieee802_11_defs.h"
+
+
+/* MTU to be set for the wlan#ap device; this is mainly needed for IEEE 802.1X
+ * frames that might be longer than normal default MTU and they are not
+ * fragmented */
+#define HOSTAPD_MTU 2290
+
+static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
+
+struct hostap_driver_data {
+	struct hostapd_data *hapd;
+
+	char iface[IFNAMSIZ + 1];
+	int sock; /* raw packet socket for driver access */
+	int ioctl_sock; /* socket for ioctl() use */
+	struct netlink_data *netlink;
+
+	int we_version;
+
+	u8 *generic_ie;
+	size_t generic_ie_len;
+	u8 *wps_ie;
+	size_t wps_ie_len;
+};
+
+
+static int hostapd_ioctl(void *priv, struct prism2_hostapd_param *param,
+			 int len);
+static int hostap_set_iface_flags(void *priv, int dev_up);
+
+static void handle_data(struct hostap_driver_data *drv, u8 *buf, size_t len,
+			u16 stype)
+{
+	struct ieee80211_hdr *hdr;
+	u16 fc, ethertype;
+	u8 *pos, *sa;
+	size_t left;
+	union wpa_event_data event;
+
+	if (len < sizeof(struct ieee80211_hdr))
+		return;
+
+	hdr = (struct ieee80211_hdr *) buf;
+	fc = le_to_host16(hdr->frame_control);
+
+	if ((fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) != WLAN_FC_TODS) {
+		printf("Not ToDS data frame (fc=0x%04x)\n", fc);
+		return;
+	}
+
+	sa = hdr->addr2;
+	os_memset(&event, 0, sizeof(event));
+	event.rx_from_unknown.frame = buf;
+	event.rx_from_unknown.len = len;
+	wpa_supplicant_event(drv->hapd, EVENT_RX_FROM_UNKNOWN, &event);
+
+	pos = (u8 *) (hdr + 1);
+	left = len - sizeof(*hdr);
+
+	if (left < sizeof(rfc1042_header)) {
+		printf("Too short data frame\n");
+		return;
+	}
+
+	if (memcmp(pos, rfc1042_header, sizeof(rfc1042_header)) != 0) {
+		printf("Data frame with no RFC1042 header\n");
+		return;
+	}
+	pos += sizeof(rfc1042_header);
+	left -= sizeof(rfc1042_header);
+
+	if (left < 2) {
+		printf("No ethertype in data frame\n");
+		return;
+	}
+
+	ethertype = WPA_GET_BE16(pos);
+	pos += 2;
+	left -= 2;
+	switch (ethertype) {
+	case ETH_P_PAE:
+		drv_event_eapol_rx(drv->hapd, sa, pos, left);
+		break;
+
+	default:
+		printf("Unknown ethertype 0x%04x in data frame\n", ethertype);
+		break;
+	}
+}
+
+
+static void handle_tx_callback(struct hostap_driver_data *drv, u8 *buf,
+			       size_t len, int ok)
+{
+	struct ieee80211_hdr *hdr;
+	u16 fc;
+	union wpa_event_data event;
+
+	hdr = (struct ieee80211_hdr *) buf;
+	fc = le_to_host16(hdr->frame_control);
+
+	os_memset(&event, 0, sizeof(event));
+	event.tx_status.type = WLAN_FC_GET_TYPE(fc);
+	event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
+	event.tx_status.dst = hdr->addr1;
+	event.tx_status.data = buf;
+	event.tx_status.data_len = len;
+	event.tx_status.ack = ok;
+	wpa_supplicant_event(drv->hapd, EVENT_TX_STATUS, &event);
+}
+
+
+static void handle_frame(struct hostap_driver_data *drv, u8 *buf, size_t len)
+{
+	struct ieee80211_hdr *hdr;
+	u16 fc, extra_len, type, stype;
+	unsigned char *extra = NULL;
+	size_t data_len = len;
+	int ver;
+	union wpa_event_data event;
+
+	/* PSPOLL is only 16 bytes, but driver does not (at least yet) pass
+	 * these to user space */
+	if (len < 24) {
+		wpa_printf(MSG_MSGDUMP, "handle_frame: too short (%lu)",
+			   (unsigned long) len);
+		return;
+	}
+
+	hdr = (struct ieee80211_hdr *) buf;
+	fc = le_to_host16(hdr->frame_control);
+	type = WLAN_FC_GET_TYPE(fc);
+	stype = WLAN_FC_GET_STYPE(fc);
+
+	if (type != WLAN_FC_TYPE_MGMT || stype != WLAN_FC_STYPE_BEACON) {
+		wpa_hexdump(MSG_MSGDUMP, "Received management frame",
+			    buf, len);
+	}
+
+	ver = fc & WLAN_FC_PVER;
+
+	/* protocol version 3 is reserved for indicating extra data after the
+	 * payload, version 2 for indicating ACKed frame (TX callbacks), and
+	 * version 1 for indicating failed frame (no ACK, TX callbacks) */
+	if (ver == 3) {
+		u8 *pos = buf + len - 2;
+		extra_len = WPA_GET_LE16(pos);
+		printf("extra data in frame (elen=%d)\n", extra_len);
+		if ((size_t) extra_len + 2 > len) {
+			printf("  extra data overflow\n");
+			return;
+		}
+		len -= extra_len + 2;
+		extra = buf + len;
+	} else if (ver == 1 || ver == 2) {
+		handle_tx_callback(drv, buf, data_len, ver == 2 ? 1 : 0);
+		return;
+	} else if (ver != 0) {
+		printf("unknown protocol version %d\n", ver);
+		return;
+	}
+
+	switch (type) {
+	case WLAN_FC_TYPE_MGMT:
+		os_memset(&event, 0, sizeof(event));
+		event.rx_mgmt.frame = buf;
+		event.rx_mgmt.frame_len = data_len;
+		wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, &event);
+		break;
+	case WLAN_FC_TYPE_CTRL:
+		wpa_printf(MSG_DEBUG, "CTRL");
+		break;
+	case WLAN_FC_TYPE_DATA:
+		wpa_printf(MSG_DEBUG, "DATA");
+		handle_data(drv, buf, data_len, stype);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "unknown frame type %d", type);
+		break;
+	}
+}
+
+
+static void handle_read(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	struct hostap_driver_data *drv = eloop_ctx;
+	int len;
+	unsigned char buf[3000];
+
+	len = recv(sock, buf, sizeof(buf), 0);
+	if (len < 0) {
+		perror("recv");
+		return;
+	}
+
+	handle_frame(drv, buf, len);
+}
+
+
+static int hostap_init_sockets(struct hostap_driver_data *drv, u8 *own_addr)
+{
+	struct ifreq ifr;
+	struct sockaddr_ll addr;
+
+	drv->sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
+	if (drv->sock < 0) {
+		perror("socket[PF_PACKET,SOCK_RAW]");
+		return -1;
+	}
+
+	if (eloop_register_read_sock(drv->sock, handle_read, drv, NULL)) {
+		printf("Could not register read socket\n");
+		return -1;
+	}
+
+        memset(&ifr, 0, sizeof(ifr));
+        snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%sap", drv->iface);
+        if (ioctl(drv->sock, SIOCGIFINDEX, &ifr) != 0) {
+		perror("ioctl(SIOCGIFINDEX)");
+		return -1;
+        }
+
+	if (hostap_set_iface_flags(drv, 1)) {
+		return -1;
+	}
+
+	memset(&addr, 0, sizeof(addr));
+	addr.sll_family = AF_PACKET;
+	addr.sll_ifindex = ifr.ifr_ifindex;
+	wpa_printf(MSG_DEBUG, "Opening raw packet socket for ifindex %d",
+		   addr.sll_ifindex);
+
+	if (bind(drv->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+		perror("bind");
+		return -1;
+	}
+
+	return linux_get_ifhwaddr(drv->sock, drv->iface, own_addr);
+}
+
+
+static int hostap_send_mlme(void *priv, const u8 *msg, size_t len)
+{
+	struct hostap_driver_data *drv = priv;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) msg;
+	int res;
+
+	/* Request TX callback */
+	hdr->frame_control |= host_to_le16(BIT(1));
+	res = send(drv->sock, msg, len, 0);
+	hdr->frame_control &= ~host_to_le16(BIT(1));
+
+	return res;
+}
+
+
+static int hostap_send_eapol(void *priv, const u8 *addr, const u8 *data,
+			     size_t data_len, int encrypt, const u8 *own_addr,
+			     u32 flags)
+{
+	struct hostap_driver_data *drv = priv;
+	struct ieee80211_hdr *hdr;
+	size_t len;
+	u8 *pos;
+	int res;
+
+	len = sizeof(*hdr) + sizeof(rfc1042_header) + 2 + data_len;
+	hdr = os_zalloc(len);
+	if (hdr == NULL) {
+		printf("malloc() failed for hostapd_send_data(len=%lu)\n",
+		       (unsigned long) len);
+		return -1;
+	}
+
+	hdr->frame_control =
+		IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
+	hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
+	if (encrypt)
+		hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
+	memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
+	memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
+	memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
+
+	pos = (u8 *) (hdr + 1);
+	memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
+	pos += sizeof(rfc1042_header);
+	*((u16 *) pos) = htons(ETH_P_PAE);
+	pos += 2;
+	memcpy(pos, data, data_len);
+
+	res = hostap_send_mlme(drv, (u8 *) hdr, len);
+	if (res < 0) {
+		wpa_printf(MSG_ERROR, "hostap_send_eapol - packet len: %lu - "
+			   "failed: %d (%s)",
+			   (unsigned long) len, errno, strerror(errno));
+	}
+	free(hdr);
+
+	return res;
+}
+
+
+static int hostap_sta_set_flags(void *priv, const u8 *addr,
+				int total_flags, int flags_or, int flags_and)
+{
+	struct hostap_driver_data *drv = priv;
+	struct prism2_hostapd_param param;
+
+	if (flags_or & WPA_STA_AUTHORIZED)
+		flags_or = BIT(5); /* WLAN_STA_AUTHORIZED */
+	if (!(flags_and & WPA_STA_AUTHORIZED))
+		flags_and = ~BIT(5);
+	else
+		flags_and = ~0;
+	memset(&param, 0, sizeof(param));
+	param.cmd = PRISM2_HOSTAPD_SET_FLAGS_STA;
+	memcpy(param.sta_addr, addr, ETH_ALEN);
+	param.u.set_flags_sta.flags_or = flags_or;
+	param.u.set_flags_sta.flags_and = flags_and;
+	return hostapd_ioctl(drv, &param, sizeof(param));
+}
+
+
+static int hostap_set_iface_flags(void *priv, int dev_up)
+{
+	struct hostap_driver_data *drv = priv;
+	struct ifreq ifr;
+	char ifname[IFNAMSIZ];
+
+	os_snprintf(ifname, IFNAMSIZ, "%sap", drv->iface);
+	if (linux_set_iface_flags(drv->ioctl_sock, ifname, dev_up) < 0)
+		return -1;
+
+	if (dev_up) {
+		memset(&ifr, 0, sizeof(ifr));
+		os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
+		ifr.ifr_mtu = HOSTAPD_MTU;
+		if (ioctl(drv->ioctl_sock, SIOCSIFMTU, &ifr) != 0) {
+			perror("ioctl[SIOCSIFMTU]");
+			printf("Setting MTU failed - trying to survive with "
+			       "current value\n");
+		}
+	}
+
+	return 0;
+}
+
+
+static int hostapd_ioctl(void *priv, struct prism2_hostapd_param *param,
+			 int len)
+{
+	struct hostap_driver_data *drv = priv;
+	struct iwreq iwr;
+
+	memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+	iwr.u.data.pointer = (caddr_t) param;
+	iwr.u.data.length = len;
+
+	if (ioctl(drv->ioctl_sock, PRISM2_IOCTL_HOSTAPD, &iwr) < 0) {
+		perror("ioctl[PRISM2_IOCTL_HOSTAPD]");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int wpa_driver_hostap_set_key(const char *ifname, void *priv,
+				     enum wpa_alg alg, const u8 *addr,
+				     int key_idx, int set_tx,
+				     const u8 *seq, size_t seq_len,
+				     const u8 *key, size_t key_len)
+{
+	struct hostap_driver_data *drv = priv;
+	struct prism2_hostapd_param *param;
+	u8 *buf;
+	size_t blen;
+	int ret = 0;
+
+	blen = sizeof(*param) + key_len;
+	buf = os_zalloc(blen);
+	if (buf == NULL)
+		return -1;
+
+	param = (struct prism2_hostapd_param *) buf;
+	param->cmd = PRISM2_SET_ENCRYPTION;
+	if (addr == NULL)
+		memset(param->sta_addr, 0xff, ETH_ALEN);
+	else
+		memcpy(param->sta_addr, addr, ETH_ALEN);
+	switch (alg) {
+	case WPA_ALG_NONE:
+		os_strlcpy((char *) param->u.crypt.alg, "NONE",
+			   HOSTAP_CRYPT_ALG_NAME_LEN);
+		break;
+	case WPA_ALG_WEP:
+		os_strlcpy((char *) param->u.crypt.alg, "WEP",
+			   HOSTAP_CRYPT_ALG_NAME_LEN);
+		break;
+	case WPA_ALG_TKIP:
+		os_strlcpy((char *) param->u.crypt.alg, "TKIP",
+			   HOSTAP_CRYPT_ALG_NAME_LEN);
+		break;
+	case WPA_ALG_CCMP:
+		os_strlcpy((char *) param->u.crypt.alg, "CCMP",
+			   HOSTAP_CRYPT_ALG_NAME_LEN);
+		break;
+	default:
+		os_free(buf);
+		return -1;
+	}
+	param->u.crypt.flags = set_tx ? HOSTAP_CRYPT_FLAG_SET_TX_KEY : 0;
+	param->u.crypt.idx = key_idx;
+	param->u.crypt.key_len = key_len;
+	memcpy((u8 *) (param + 1), key, key_len);
+
+	if (hostapd_ioctl(drv, param, blen)) {
+		printf("Failed to set encryption.\n");
+		ret = -1;
+	}
+	free(buf);
+
+	return ret;
+}
+
+
+static int hostap_get_seqnum(const char *ifname, void *priv, const u8 *addr,
+			     int idx, u8 *seq)
+{
+	struct hostap_driver_data *drv = priv;
+	struct prism2_hostapd_param *param;
+	u8 *buf;
+	size_t blen;
+	int ret = 0;
+
+	blen = sizeof(*param) + 32;
+	buf = os_zalloc(blen);
+	if (buf == NULL)
+		return -1;
+
+	param = (struct prism2_hostapd_param *) buf;
+	param->cmd = PRISM2_GET_ENCRYPTION;
+	if (addr == NULL)
+		memset(param->sta_addr, 0xff, ETH_ALEN);
+	else
+		memcpy(param->sta_addr, addr, ETH_ALEN);
+	param->u.crypt.idx = idx;
+
+	if (hostapd_ioctl(drv, param, blen)) {
+		printf("Failed to get encryption.\n");
+		ret = -1;
+	} else {
+		memcpy(seq, param->u.crypt.seq, 8);
+	}
+	free(buf);
+
+	return ret;
+}
+
+
+static int hostap_ioctl_prism2param(void *priv, int param, int value)
+{
+	struct hostap_driver_data *drv = priv;
+	struct iwreq iwr;
+	int *i;
+
+	memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+	i = (int *) iwr.u.name;
+	*i++ = param;
+	*i++ = value;
+
+	if (ioctl(drv->ioctl_sock, PRISM2_IOCTL_PRISM2_PARAM, &iwr) < 0) {
+		perror("ioctl[PRISM2_IOCTL_PRISM2_PARAM]");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int hostap_set_ieee8021x(void *priv, struct wpa_bss_params *params)
+{
+	struct hostap_driver_data *drv = priv;
+	int enabled = params->enabled;
+
+	/* enable kernel driver support for IEEE 802.1X */
+	if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_IEEE_802_1X, enabled)) {
+		printf("Could not setup IEEE 802.1X support in kernel driver."
+		       "\n");
+		return -1;
+	}
+
+	if (!enabled)
+		return 0;
+
+	/* use host driver implementation of encryption to allow
+	 * individual keys and passing plaintext EAPOL frames */
+	if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOST_DECRYPT, 1) ||
+	    hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOST_ENCRYPT, 1)) {
+		printf("Could not setup host-based encryption in kernel "
+		       "driver.\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int hostap_set_privacy(void *priv, int enabled)
+{
+	struct hostap_drvier_data *drv = priv;
+
+	return hostap_ioctl_prism2param(drv, PRISM2_PARAM_PRIVACY_INVOKED,
+					enabled);
+}
+
+
+static int hostap_set_ssid(void *priv, const u8 *buf, int len)
+{
+	struct hostap_driver_data *drv = priv;
+	struct iwreq iwr;
+
+	memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+	iwr.u.essid.flags = 1; /* SSID active */
+	iwr.u.essid.pointer = (caddr_t) buf;
+	iwr.u.essid.length = len + 1;
+
+	if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
+		perror("ioctl[SIOCSIWESSID]");
+		printf("len=%d\n", len);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int hostap_flush(void *priv)
+{
+	struct hostap_driver_data *drv = priv;
+	struct prism2_hostapd_param param;
+
+	memset(&param, 0, sizeof(param));
+	param.cmd = PRISM2_HOSTAPD_FLUSH;
+	return hostapd_ioctl(drv, &param, sizeof(param));
+}
+
+
+static int hostap_read_sta_data(void *priv,
+				struct hostap_sta_driver_data *data,
+				const u8 *addr)
+{
+	struct hostap_driver_data *drv = priv;
+	char buf[1024], line[128], *pos;
+	FILE *f;
+	unsigned long val;
+
+	memset(data, 0, sizeof(*data));
+	snprintf(buf, sizeof(buf), "/proc/net/hostap/%s/" MACSTR,
+		 drv->iface, MAC2STR(addr));
+
+	f = fopen(buf, "r");
+	if (!f)
+		return -1;
+	/* Need to read proc file with in one piece, so use large enough
+	 * buffer. */
+	setbuffer(f, buf, sizeof(buf));
+
+	while (fgets(line, sizeof(line), f)) {
+		pos = strchr(line, '=');
+		if (!pos)
+			continue;
+		*pos++ = '\0';
+		val = strtoul(pos, NULL, 10);
+		if (strcmp(line, "rx_packets") == 0)
+			data->rx_packets = val;
+		else if (strcmp(line, "tx_packets") == 0)
+			data->tx_packets = val;
+		else if (strcmp(line, "rx_bytes") == 0)
+			data->rx_bytes = val;
+		else if (strcmp(line, "tx_bytes") == 0)
+			data->tx_bytes = val;
+	}
+
+	fclose(f);
+
+	return 0;
+}
+
+
+static int hostap_sta_add(void *priv, struct hostapd_sta_add_params *params)
+{
+	struct hostap_driver_data *drv = priv;
+	struct prism2_hostapd_param param;
+	int tx_supp_rates = 0;
+	size_t i;
+
+#define WLAN_RATE_1M BIT(0)
+#define WLAN_RATE_2M BIT(1)
+#define WLAN_RATE_5M5 BIT(2)
+#define WLAN_RATE_11M BIT(3)
+
+	for (i = 0; i < params->supp_rates_len; i++) {
+		if ((params->supp_rates[i] & 0x7f) == 2)
+			tx_supp_rates |= WLAN_RATE_1M;
+		if ((params->supp_rates[i] & 0x7f) == 4)
+			tx_supp_rates |= WLAN_RATE_2M;
+		if ((params->supp_rates[i] & 0x7f) == 11)
+			tx_supp_rates |= WLAN_RATE_5M5;
+		if ((params->supp_rates[i] & 0x7f) == 22)
+			tx_supp_rates |= WLAN_RATE_11M;
+	}
+
+	memset(&param, 0, sizeof(param));
+	param.cmd = PRISM2_HOSTAPD_ADD_STA;
+	memcpy(param.sta_addr, params->addr, ETH_ALEN);
+	param.u.add_sta.aid = params->aid;
+	param.u.add_sta.capability = params->capability;
+	param.u.add_sta.tx_supp_rates = tx_supp_rates;
+	return hostapd_ioctl(drv, &param, sizeof(param));
+}
+
+
+static int hostap_sta_remove(void *priv, const u8 *addr)
+{
+	struct hostap_driver_data *drv = priv;
+	struct prism2_hostapd_param param;
+
+	hostap_sta_set_flags(drv, addr, 0, 0, ~WPA_STA_AUTHORIZED);
+
+	memset(&param, 0, sizeof(param));
+	param.cmd = PRISM2_HOSTAPD_REMOVE_STA;
+	memcpy(param.sta_addr, addr, ETH_ALEN);
+	if (hostapd_ioctl(drv, &param, sizeof(param))) {
+		printf("Could not remove station from kernel driver.\n");
+		return -1;
+	}
+	return 0;
+}
+
+
+static int hostap_get_inact_sec(void *priv, const u8 *addr)
+{
+	struct hostap_driver_data *drv = priv;
+	struct prism2_hostapd_param param;
+
+	memset(&param, 0, sizeof(param));
+	param.cmd = PRISM2_HOSTAPD_GET_INFO_STA;
+	memcpy(param.sta_addr, addr, ETH_ALEN);
+	if (hostapd_ioctl(drv, &param, sizeof(param))) {
+		return -1;
+	}
+
+	return param.u.get_info_sta.inactive_sec;
+}
+
+
+static int hostap_sta_clear_stats(void *priv, const u8 *addr)
+{
+	struct hostap_driver_data *drv = priv;
+	struct prism2_hostapd_param param;
+
+	memset(&param, 0, sizeof(param));
+	param.cmd = PRISM2_HOSTAPD_STA_CLEAR_STATS;
+	memcpy(param.sta_addr, addr, ETH_ALEN);
+	if (hostapd_ioctl(drv, &param, sizeof(param))) {
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int hostapd_ioctl_set_generic_elem(struct hostap_driver_data *drv)
+{
+	struct prism2_hostapd_param *param;
+	int res;
+	size_t blen, elem_len;
+
+	elem_len = drv->generic_ie_len + drv->wps_ie_len;
+	blen = PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN + elem_len;
+	if (blen < sizeof(*param))
+		blen = sizeof(*param);
+
+	param = os_zalloc(blen);
+	if (param == NULL)
+		return -1;
+
+	param->cmd = PRISM2_HOSTAPD_SET_GENERIC_ELEMENT;
+	param->u.generic_elem.len = elem_len;
+	if (drv->generic_ie) {
+		os_memcpy(param->u.generic_elem.data, drv->generic_ie,
+			  drv->generic_ie_len);
+	}
+	if (drv->wps_ie) {
+		os_memcpy(&param->u.generic_elem.data[drv->generic_ie_len],
+			  drv->wps_ie, drv->wps_ie_len);
+	}
+	wpa_hexdump(MSG_DEBUG, "hostap: Set generic IE",
+		    param->u.generic_elem.data, elem_len);
+	res = hostapd_ioctl(drv, param, blen);
+
+	os_free(param);
+
+	return res;
+}
+
+
+static int hostap_set_generic_elem(void *priv,
+				   const u8 *elem, size_t elem_len)
+{
+	struct hostap_driver_data *drv = priv;
+
+	os_free(drv->generic_ie);
+	drv->generic_ie = NULL;
+	drv->generic_ie_len = 0;
+	if (elem) {
+		drv->generic_ie = os_malloc(elem_len);
+		if (drv->generic_ie == NULL)
+			return -1;
+		os_memcpy(drv->generic_ie, elem, elem_len);
+		drv->generic_ie_len = elem_len;
+	}
+
+	return hostapd_ioctl_set_generic_elem(drv);
+}
+
+
+static int hostap_set_ap_wps_ie(void *priv, const struct wpabuf *beacon,
+				const struct wpabuf *proberesp,
+				const struct wpabuf *assocresp)
+{
+	struct hostap_driver_data *drv = priv;
+
+	/*
+	 * Host AP driver supports only one set of extra IEs, so we need to
+	 * use the Probe Response IEs also for Beacon frames since they include
+	 * more information.
+	 */
+
+	os_free(drv->wps_ie);
+	drv->wps_ie = NULL;
+	drv->wps_ie_len = 0;
+	if (proberesp) {
+		drv->wps_ie = os_malloc(wpabuf_len(proberesp));
+		if (drv->wps_ie == NULL)
+			return -1;
+		os_memcpy(drv->wps_ie, wpabuf_head(proberesp),
+			  wpabuf_len(proberesp));
+		drv->wps_ie_len = wpabuf_len(proberesp);
+	}
+
+	return hostapd_ioctl_set_generic_elem(drv);
+}
+
+
+static void
+hostapd_wireless_event_wireless_custom(struct hostap_driver_data *drv,
+				       char *custom)
+{
+	wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
+
+	if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
+		char *pos;
+		u8 addr[ETH_ALEN];
+		pos = strstr(custom, "addr=");
+		if (pos == NULL) {
+			wpa_printf(MSG_DEBUG,
+				   "MLME-MICHAELMICFAILURE.indication "
+				   "without sender address ignored");
+			return;
+		}
+		pos += 5;
+		if (hwaddr_aton(pos, addr) == 0) {
+			union wpa_event_data data;
+			os_memset(&data, 0, sizeof(data));
+			data.michael_mic_failure.unicast = 1;
+			data.michael_mic_failure.src = addr;
+			wpa_supplicant_event(drv->hapd,
+					     EVENT_MICHAEL_MIC_FAILURE, &data);
+		} else {
+			wpa_printf(MSG_DEBUG,
+				   "MLME-MICHAELMICFAILURE.indication "
+				   "with invalid MAC address");
+		}
+	}
+}
+
+
+static void hostapd_wireless_event_wireless(struct hostap_driver_data *drv,
+					    char *data, int len)
+{
+	struct iw_event iwe_buf, *iwe = &iwe_buf;
+	char *pos, *end, *custom, *buf;
+
+	pos = data;
+	end = data + len;
+
+	while (pos + IW_EV_LCP_LEN <= end) {
+		/* Event data may be unaligned, so make a local, aligned copy
+		 * before processing. */
+		memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
+		wpa_printf(MSG_DEBUG, "Wireless event: cmd=0x%x len=%d",
+			   iwe->cmd, iwe->len);
+		if (iwe->len <= IW_EV_LCP_LEN)
+			return;
+
+		custom = pos + IW_EV_POINT_LEN;
+		if (drv->we_version > 18 &&
+		    (iwe->cmd == IWEVMICHAELMICFAILURE ||
+		     iwe->cmd == IWEVCUSTOM)) {
+			/* WE-19 removed the pointer from struct iw_point */
+			char *dpos = (char *) &iwe_buf.u.data.length;
+			int dlen = dpos - (char *) &iwe_buf;
+			memcpy(dpos, pos + IW_EV_LCP_LEN,
+			       sizeof(struct iw_event) - dlen);
+		} else {
+			memcpy(&iwe_buf, pos, sizeof(struct iw_event));
+			custom += IW_EV_POINT_OFF;
+		}
+
+		switch (iwe->cmd) {
+		case IWEVCUSTOM:
+			if (custom + iwe->u.data.length > end)
+				return;
+			buf = malloc(iwe->u.data.length + 1);
+			if (buf == NULL)
+				return;
+			memcpy(buf, custom, iwe->u.data.length);
+			buf[iwe->u.data.length] = '\0';
+			hostapd_wireless_event_wireless_custom(drv, buf);
+			free(buf);
+			break;
+		}
+
+		pos += iwe->len;
+	}
+}
+
+
+static void hostapd_wireless_event_rtm_newlink(void *ctx,
+					       struct ifinfomsg *ifi,
+					       u8 *buf, size_t len)
+{
+	struct hostap_driver_data *drv = ctx;
+	int attrlen, rta_len;
+	struct rtattr *attr;
+
+	/* TODO: use ifi->ifi_index to filter out wireless events from other
+	 * interfaces */
+
+	attrlen = len;
+	attr = (struct rtattr *) buf;
+
+	rta_len = RTA_ALIGN(sizeof(struct rtattr));
+	while (RTA_OK(attr, attrlen)) {
+		if (attr->rta_type == IFLA_WIRELESS) {
+			hostapd_wireless_event_wireless(
+				drv, ((char *) attr) + rta_len,
+				attr->rta_len - rta_len);
+		}
+		attr = RTA_NEXT(attr, attrlen);
+	}
+}
+
+
+static int hostap_get_we_version(struct hostap_driver_data *drv)
+{
+	struct iw_range *range;
+	struct iwreq iwr;
+	int minlen;
+	size_t buflen;
+
+	drv->we_version = 0;
+
+	/*
+	 * Use larger buffer than struct iw_range in order to allow the
+	 * structure to grow in the future.
+	 */
+	buflen = sizeof(struct iw_range) + 500;
+	range = os_zalloc(buflen);
+	if (range == NULL)
+		return -1;
+
+	memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+	iwr.u.data.pointer = (caddr_t) range;
+	iwr.u.data.length = buflen;
+
+	minlen = ((char *) &range->enc_capa) - (char *) range +
+		sizeof(range->enc_capa);
+
+	if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
+		perror("ioctl[SIOCGIWRANGE]");
+		free(range);
+		return -1;
+	} else if (iwr.u.data.length >= minlen &&
+		   range->we_version_compiled >= 18) {
+		wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
+			   "WE(source)=%d enc_capa=0x%x",
+			   range->we_version_compiled,
+			   range->we_version_source,
+			   range->enc_capa);
+		drv->we_version = range->we_version_compiled;
+	}
+
+	free(range);
+	return 0;
+}
+
+
+static int hostap_wireless_event_init(struct hostap_driver_data *drv)
+{
+	struct netlink_config *cfg;
+
+	hostap_get_we_version(drv);
+
+	cfg = os_zalloc(sizeof(*cfg));
+	if (cfg == NULL)
+		return -1;
+	cfg->ctx = drv;
+	cfg->newlink_cb = hostapd_wireless_event_rtm_newlink;
+	drv->netlink = netlink_init(cfg);
+	if (drv->netlink == NULL) {
+		os_free(cfg);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static void * hostap_init(struct hostapd_data *hapd,
+			  struct wpa_init_params *params)
+{
+	struct hostap_driver_data *drv;
+
+	drv = os_zalloc(sizeof(struct hostap_driver_data));
+	if (drv == NULL) {
+		printf("Could not allocate memory for hostapd driver data\n");
+		return NULL;
+	}
+
+	drv->hapd = hapd;
+	drv->ioctl_sock = drv->sock = -1;
+	memcpy(drv->iface, params->ifname, sizeof(drv->iface));
+
+	drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
+	if (drv->ioctl_sock < 0) {
+		perror("socket[PF_INET,SOCK_DGRAM]");
+		free(drv);
+		return NULL;
+	}
+
+	if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD, 1)) {
+		printf("Could not enable hostapd mode for interface %s\n",
+		       drv->iface);
+		close(drv->ioctl_sock);
+		free(drv);
+		return NULL;
+	}
+
+	if (hostap_init_sockets(drv, params->own_addr) ||
+	    hostap_wireless_event_init(drv)) {
+		close(drv->ioctl_sock);
+		free(drv);
+		return NULL;
+	}
+
+	return drv;
+}
+
+
+static void hostap_driver_deinit(void *priv)
+{
+	struct hostap_driver_data *drv = priv;
+
+	netlink_deinit(drv->netlink);
+	(void) hostap_set_iface_flags(drv, 0);
+	(void) hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD, 0);
+	(void) hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD_STA, 0);
+
+	if (drv->ioctl_sock >= 0)
+		close(drv->ioctl_sock);
+
+	if (drv->sock >= 0)
+		close(drv->sock);
+
+	os_free(drv->generic_ie);
+	os_free(drv->wps_ie);
+
+	free(drv);
+}
+
+
+static int hostap_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
+			     int reason)
+{
+	struct hostap_driver_data *drv = priv;
+	struct ieee80211_mgmt mgmt;
+
+	if (is_broadcast_ether_addr(addr)) {
+		/*
+		 * New Prism2.5/3 STA firmware versions seem to have issues
+		 * with this broadcast deauth frame. This gets the firmware in
+		 * odd state where nothing works correctly, so let's skip
+		 * sending this for the hostap driver.
+		 */
+		return 0;
+	}
+
+	memset(&mgmt, 0, sizeof(mgmt));
+	mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
+					  WLAN_FC_STYPE_DEAUTH);
+	memcpy(mgmt.da, addr, ETH_ALEN);
+	memcpy(mgmt.sa, own_addr, ETH_ALEN);
+	memcpy(mgmt.bssid, own_addr, ETH_ALEN);
+	mgmt.u.deauth.reason_code = host_to_le16(reason);
+	return hostap_send_mlme(drv, (u8 *) &mgmt, IEEE80211_HDRLEN +
+				sizeof(mgmt.u.deauth));
+}
+
+
+static int hostap_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
+			       int reason)
+{
+	struct hostap_driver_data *drv = priv;
+	struct ieee80211_mgmt mgmt;
+
+	memset(&mgmt, 0, sizeof(mgmt));
+	mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
+					  WLAN_FC_STYPE_DISASSOC);
+	memcpy(mgmt.da, addr, ETH_ALEN);
+	memcpy(mgmt.sa, own_addr, ETH_ALEN);
+	memcpy(mgmt.bssid, own_addr, ETH_ALEN);
+	mgmt.u.disassoc.reason_code = host_to_le16(reason);
+	return  hostap_send_mlme(drv, (u8 *) &mgmt, IEEE80211_HDRLEN +
+				 sizeof(mgmt.u.disassoc));
+}
+
+
+static struct hostapd_hw_modes * hostap_get_hw_feature_data(void *priv,
+							    u16 *num_modes,
+							    u16 *flags)
+{
+	struct hostapd_hw_modes *mode;
+	int i, clen, rlen;
+	const short chan2freq[14] = {
+		2412, 2417, 2422, 2427, 2432, 2437, 2442,
+		2447, 2452, 2457, 2462, 2467, 2472, 2484
+	};
+
+	mode = os_zalloc(sizeof(struct hostapd_hw_modes));
+	if (mode == NULL)
+		return NULL;
+
+	*num_modes = 1;
+	*flags = 0;
+
+	mode->mode = HOSTAPD_MODE_IEEE80211B;
+	mode->num_channels = 14;
+	mode->num_rates = 4;
+
+	clen = mode->num_channels * sizeof(struct hostapd_channel_data);
+	rlen = mode->num_rates * sizeof(int);
+
+	mode->channels = os_zalloc(clen);
+	mode->rates = os_zalloc(rlen);
+	if (mode->channels == NULL || mode->rates == NULL) {
+		os_free(mode->channels);
+		os_free(mode->rates);
+		os_free(mode);
+		return NULL;
+	}
+
+	for (i = 0; i < 14; i++) {
+		mode->channels[i].chan = i + 1;
+		mode->channels[i].freq = chan2freq[i];
+		/* TODO: Get allowed channel list from the driver */
+		if (i >= 11)
+			mode->channels[i].flag = HOSTAPD_CHAN_DISABLED;
+	}
+
+	mode->rates[0] = 10;
+	mode->rates[1] = 20;
+	mode->rates[2] = 55;
+	mode->rates[3] = 110;
+
+	return mode;
+}
+
+#else /* HOSTAPD */
+
+struct wpa_driver_hostap_data {
+	void *wext; /* private data for driver_wext */
+	void *ctx;
+	char ifname[IFNAMSIZ + 1];
+	int sock;
+	int current_mode; /* infra/adhoc */
+};
+
+
+static int wpa_driver_hostap_set_auth_alg(void *priv, int auth_alg);
+
+
+static int hostapd_ioctl(struct wpa_driver_hostap_data *drv,
+			 struct prism2_hostapd_param *param,
+			 int len, int show_err)
+{
+	struct iwreq iwr;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	iwr.u.data.pointer = (caddr_t) param;
+	iwr.u.data.length = len;
+
+	if (ioctl(drv->sock, PRISM2_IOCTL_HOSTAPD, &iwr) < 0) {
+		int ret = errno;
+		if (show_err)
+			perror("ioctl[PRISM2_IOCTL_HOSTAPD]");
+		return ret;
+	}
+
+	return 0;
+}
+
+
+static int wpa_driver_hostap_set_wpa_ie(struct wpa_driver_hostap_data *drv,
+					const u8 *wpa_ie, size_t wpa_ie_len)
+{
+	struct prism2_hostapd_param *param;
+	int res;
+	size_t blen = PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN + wpa_ie_len;
+	if (blen < sizeof(*param))
+		blen = sizeof(*param);
+
+	param = os_zalloc(blen);
+	if (param == NULL)
+		return -1;
+
+	param->cmd = PRISM2_HOSTAPD_SET_GENERIC_ELEMENT;
+	param->u.generic_elem.len = wpa_ie_len;
+	os_memcpy(param->u.generic_elem.data, wpa_ie, wpa_ie_len);
+	res = hostapd_ioctl(drv, param, blen, 1);
+
+	os_free(param);
+
+	return res;
+}
+
+
+static int prism2param(struct wpa_driver_hostap_data *drv, int param,
+		       int value)
+{
+	struct iwreq iwr;
+	int *i, ret = 0;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	i = (int *) iwr.u.name;
+	*i++ = param;
+	*i++ = value;
+
+	if (ioctl(drv->sock, PRISM2_IOCTL_PRISM2_PARAM, &iwr) < 0) {
+		perror("ioctl[PRISM2_IOCTL_PRISM2_PARAM]");
+		ret = -1;
+	}
+	return ret;
+}
+
+
+static int wpa_driver_hostap_set_wpa(void *priv, int enabled)
+{
+	struct wpa_driver_hostap_data *drv = priv;
+	int ret = 0;
+
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
+
+	if (!enabled && wpa_driver_hostap_set_wpa_ie(drv, NULL, 0) < 0)
+		ret = -1;
+	if (prism2param(drv, PRISM2_PARAM_HOST_ROAMING, enabled ? 2 : 0) < 0)
+		ret = -1;
+	if (prism2param(drv, PRISM2_PARAM_WPA, enabled) < 0)
+		ret = -1;
+
+	return ret;
+}
+
+
+static void show_set_key_error(struct prism2_hostapd_param *param)
+{
+	switch (param->u.crypt.err) {
+	case HOSTAP_CRYPT_ERR_UNKNOWN_ALG:
+		wpa_printf(MSG_INFO, "Unknown algorithm '%s'.",
+			   param->u.crypt.alg);
+		wpa_printf(MSG_INFO, "You may need to load kernel module to "
+			   "register that algorithm.");
+		wpa_printf(MSG_INFO, "E.g., 'modprobe hostap_crypt_wep' for "
+			   "WEP.");
+		break;
+	case HOSTAP_CRYPT_ERR_UNKNOWN_ADDR:
+		wpa_printf(MSG_INFO, "Unknown address " MACSTR ".",
+			   MAC2STR(param->sta_addr));
+		break;
+	case HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED:
+		wpa_printf(MSG_INFO, "Crypt algorithm initialization failed.");
+		break;
+	case HOSTAP_CRYPT_ERR_KEY_SET_FAILED:
+		wpa_printf(MSG_INFO, "Key setting failed.");
+		break;
+	case HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED:
+		wpa_printf(MSG_INFO, "TX key index setting failed.");
+		break;
+	case HOSTAP_CRYPT_ERR_CARD_CONF_FAILED:
+		wpa_printf(MSG_INFO, "Card configuration failed.");
+		break;
+	}
+}
+
+
+static int wpa_driver_hostap_set_key(const char *ifname, void *priv,
+				     enum wpa_alg alg, const u8 *addr,
+				     int key_idx, int set_tx,
+				     const u8 *seq, size_t seq_len,
+				     const u8 *key, size_t key_len)
+{
+	struct wpa_driver_hostap_data *drv = priv;
+	struct prism2_hostapd_param *param;
+	u8 *buf;
+	size_t blen;
+	int ret = 0;
+	char *alg_name;
+
+	switch (alg) {
+	case WPA_ALG_NONE:
+		alg_name = "none";
+		break;
+	case WPA_ALG_WEP:
+		alg_name = "WEP";
+		break;
+	case WPA_ALG_TKIP:
+		alg_name = "TKIP";
+		break;
+	case WPA_ALG_CCMP:
+		alg_name = "CCMP";
+		break;
+	default:
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "%s: alg=%s key_idx=%d set_tx=%d seq_len=%lu "
+		   "key_len=%lu", __FUNCTION__, alg_name, key_idx, set_tx,
+		   (unsigned long) seq_len, (unsigned long) key_len);
+
+	if (seq_len > 8)
+		return -2;
+
+	blen = sizeof(*param) + key_len;
+	buf = os_zalloc(blen);
+	if (buf == NULL)
+		return -1;
+
+	param = (struct prism2_hostapd_param *) buf;
+	param->cmd = PRISM2_SET_ENCRYPTION;
+	/* TODO: In theory, STA in client mode can use five keys; four default
+	 * keys for receiving (with keyidx 0..3) and one individual key for
+	 * both transmitting and receiving (keyidx 0) _unicast_ packets. Now,
+	 * keyidx 0 is reserved for this unicast use and default keys can only
+	 * use keyidx 1..3 (i.e., default key with keyidx 0 is not supported).
+	 * This should be fine for more or less all cases, but for completeness
+	 * sake, the driver could be enhanced to support the missing key. */
+#if 0
+	if (addr == NULL)
+		os_memset(param->sta_addr, 0xff, ETH_ALEN);
+	else
+		os_memcpy(param->sta_addr, addr, ETH_ALEN);
+#else
+	os_memset(param->sta_addr, 0xff, ETH_ALEN);
+#endif
+	os_strlcpy((char *) param->u.crypt.alg, alg_name,
+		   HOSTAP_CRYPT_ALG_NAME_LEN);
+	param->u.crypt.flags = set_tx ? HOSTAP_CRYPT_FLAG_SET_TX_KEY : 0;
+	param->u.crypt.idx = key_idx;
+	if (seq)
+		os_memcpy(param->u.crypt.seq, seq, seq_len);
+	param->u.crypt.key_len = key_len;
+	os_memcpy((u8 *) (param + 1), key, key_len);
+
+	if (hostapd_ioctl(drv, param, blen, 1)) {
+		wpa_printf(MSG_WARNING, "Failed to set encryption.");
+		show_set_key_error(param);
+		ret = -1;
+	}
+	os_free(buf);
+
+	return ret;
+}
+
+
+static int wpa_driver_hostap_set_countermeasures(void *priv, int enabled)
+{
+	struct wpa_driver_hostap_data *drv = priv;
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
+	return prism2param(drv, PRISM2_PARAM_TKIP_COUNTERMEASURES, enabled);
+}
+
+
+static int wpa_driver_hostap_reset(struct wpa_driver_hostap_data *drv,
+				   int type)
+{
+	struct iwreq iwr;
+	int *i, ret = 0;
+
+	wpa_printf(MSG_DEBUG, "%s: type=%d", __FUNCTION__, type);
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	i = (int *) iwr.u.name;
+	*i++ = type;
+
+	if (ioctl(drv->sock, PRISM2_IOCTL_RESET, &iwr) < 0) {
+	        perror("ioctl[PRISM2_IOCTL_RESET]");
+	        ret = -1;
+	}
+	return ret;
+}
+
+
+static int wpa_driver_hostap_mlme(struct wpa_driver_hostap_data *drv,
+				  const u8 *addr, int cmd, int reason_code)
+{
+	struct prism2_hostapd_param param;
+	int ret;
+
+	/* There does not seem to be a better way of deauthenticating or
+	 * disassociating with Prism2/2.5/3 than sending the management frame
+	 * and then resetting the Port0 to make sure both the AP and the STA
+	 * end up in disconnected state. */
+	os_memset(&param, 0, sizeof(param));
+	param.cmd = PRISM2_HOSTAPD_MLME;
+	os_memcpy(param.sta_addr, addr, ETH_ALEN);
+	param.u.mlme.cmd = cmd;
+	param.u.mlme.reason_code = reason_code;
+	ret = hostapd_ioctl(drv, &param, sizeof(param), 1);
+	if (ret == 0) {
+		os_sleep(0, 100000);
+		ret = wpa_driver_hostap_reset(drv, 2);
+	}
+	return ret;
+}
+
+
+static int wpa_driver_hostap_deauthenticate(void *priv, const u8 *addr,
+					    int reason_code)
+{
+	struct wpa_driver_hostap_data *drv = priv;
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+	return wpa_driver_hostap_mlme(drv, addr, MLME_STA_DEAUTH,
+				      reason_code);
+}
+
+
+static int wpa_driver_hostap_disassociate(void *priv, const u8 *addr,
+					  int reason_code)
+{
+	struct wpa_driver_hostap_data *drv = priv;
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+	return wpa_driver_hostap_mlme(drv, addr, MLME_STA_DISASSOC,
+				      reason_code);
+}
+
+
+static int
+wpa_driver_hostap_associate(void *priv,
+			    struct wpa_driver_associate_params *params)
+{
+	struct wpa_driver_hostap_data *drv = priv;
+	int ret = 0;
+	int allow_unencrypted_eapol;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	if (prism2param(drv, PRISM2_PARAM_DROP_UNENCRYPTED,
+			params->drop_unencrypted) < 0)
+		ret = -1;
+	if (wpa_driver_hostap_set_auth_alg(drv, params->auth_alg) < 0)
+		ret = -1;
+	if (params->mode != drv->current_mode) {
+		/* At the moment, Host AP driver requires host_roaming=2 for
+		 * infrastructure mode and host_roaming=0 for adhoc. */
+		if (prism2param(drv, PRISM2_PARAM_HOST_ROAMING,
+				params->mode == IEEE80211_MODE_IBSS ? 0 : 2) <
+		    0) {
+			wpa_printf(MSG_DEBUG, "%s: failed to set host_roaming",
+				   __func__);
+		}
+		drv->current_mode = params->mode;
+	}
+
+	if (prism2param(drv, PRISM2_PARAM_PRIVACY_INVOKED,
+			params->key_mgmt_suite != KEY_MGMT_NONE) < 0)
+		ret = -1;
+	if (wpa_driver_hostap_set_wpa_ie(drv, params->wpa_ie,
+					 params->wpa_ie_len) < 0)
+		ret = -1;
+	if (wpa_driver_wext_set_mode(drv->wext, params->mode) < 0)
+		ret = -1;
+	if (params->freq &&
+	    wpa_driver_wext_set_freq(drv->wext, params->freq) < 0)
+		ret = -1;
+	if (wpa_driver_wext_set_ssid(drv->wext, params->ssid, params->ssid_len)
+	    < 0)
+		ret = -1;
+	if (wpa_driver_wext_set_bssid(drv->wext, params->bssid) < 0)
+		ret = -1;
+
+	/* Allow unencrypted EAPOL messages even if pairwise keys are set when
+	 * not using WPA. IEEE 802.1X specifies that these frames are not
+	 * encrypted, but WPA encrypts them when pairwise keys are in use. */
+	if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
+	    params->key_mgmt_suite == KEY_MGMT_PSK)
+		allow_unencrypted_eapol = 0;
+	else
+		allow_unencrypted_eapol = 1;
+	
+	if (prism2param(drv, PRISM2_PARAM_IEEE_802_1X,
+			allow_unencrypted_eapol) < 0) {
+		wpa_printf(MSG_DEBUG, "hostap: Failed to configure "
+			   "ieee_802_1x param");
+		/* Ignore this error.. driver_hostap.c can also be used with
+		 * other drivers that do not support this prism2_param. */
+	}
+
+	return ret;
+}
+
+
+static int wpa_driver_hostap_scan(void *priv,
+				  struct wpa_driver_scan_params *params)
+{
+	struct wpa_driver_hostap_data *drv = priv;
+	struct prism2_hostapd_param param;
+	int ret;
+	const u8 *ssid = params->ssids[0].ssid;
+	size_t ssid_len = params->ssids[0].ssid_len;
+
+	if (ssid == NULL) {
+		/* Use standard Linux Wireless Extensions ioctl if possible
+		 * because some drivers using hostap code in wpa_supplicant
+		 * might not support Host AP specific scan request (with SSID
+		 * info). */
+		return wpa_driver_wext_scan(drv->wext, params);
+	}
+
+	if (ssid_len > 32)
+		ssid_len = 32;
+
+	os_memset(&param, 0, sizeof(param));
+	param.cmd = PRISM2_HOSTAPD_SCAN_REQ;
+	param.u.scan_req.ssid_len = ssid_len;
+	os_memcpy(param.u.scan_req.ssid, ssid, ssid_len);
+	ret = hostapd_ioctl(drv, &param, sizeof(param), 1);
+
+	/* Not all drivers generate "scan completed" wireless event, so try to
+	 * read results after a timeout. */
+	eloop_cancel_timeout(wpa_driver_wext_scan_timeout, drv->wext,
+			     drv->ctx);
+	eloop_register_timeout(3, 0, wpa_driver_wext_scan_timeout, drv->wext,
+			       drv->ctx);
+
+	return ret;
+}
+
+
+static int wpa_driver_hostap_set_auth_alg(void *priv, int auth_alg)
+{
+	struct wpa_driver_hostap_data *drv = priv;
+	int algs = 0;
+
+	if (auth_alg & WPA_AUTH_ALG_OPEN)
+		algs |= 1;
+	if (auth_alg & WPA_AUTH_ALG_SHARED)
+		algs |= 2;
+	if (auth_alg & WPA_AUTH_ALG_LEAP)
+		algs |= 4;
+	if (algs == 0)
+		algs = 1; /* at least one algorithm should be set */
+
+	return prism2param(drv, PRISM2_PARAM_AP_AUTH_ALGS, algs);
+}
+
+
+static int wpa_driver_hostap_get_bssid(void *priv, u8 *bssid)
+{
+	struct wpa_driver_hostap_data *drv = priv;
+	return wpa_driver_wext_get_bssid(drv->wext, bssid);
+}
+
+
+static int wpa_driver_hostap_get_ssid(void *priv, u8 *ssid)
+{
+	struct wpa_driver_hostap_data *drv = priv;
+	return wpa_driver_wext_get_ssid(drv->wext, ssid);
+}
+
+
+static struct wpa_scan_results * wpa_driver_hostap_get_scan_results(void *priv)
+{
+	struct wpa_driver_hostap_data *drv = priv;
+	return wpa_driver_wext_get_scan_results(drv->wext);
+}
+
+
+static int wpa_driver_hostap_set_operstate(void *priv, int state)
+{
+	struct wpa_driver_hostap_data *drv = priv;
+	return wpa_driver_wext_set_operstate(drv->wext, state);
+}
+
+
+static void * wpa_driver_hostap_init(void *ctx, const char *ifname)
+{
+	struct wpa_driver_hostap_data *drv;
+
+	drv = os_zalloc(sizeof(*drv));
+	if (drv == NULL)
+		return NULL;
+	drv->wext = wpa_driver_wext_init(ctx, ifname);
+	if (drv->wext == NULL) {
+		os_free(drv);
+		return NULL;
+	}
+
+	drv->ctx = ctx;
+	os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
+	drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
+	if (drv->sock < 0) {
+		perror("socket");
+		wpa_driver_wext_deinit(drv->wext);
+		os_free(drv);
+		return NULL;
+	}
+
+	if (os_strncmp(ifname, "wlan", 4) == 0) {
+		/*
+		 * Host AP driver may use both wlan# and wifi# interface in
+		 * wireless events.
+		 */
+		char ifname2[IFNAMSIZ + 1];
+		os_strlcpy(ifname2, ifname, sizeof(ifname2));
+		os_memcpy(ifname2, "wifi", 4);
+		wpa_driver_wext_alternative_ifindex(drv->wext, ifname2);
+	}
+
+	wpa_driver_hostap_set_wpa(drv, 1);
+
+	return drv;
+}
+
+
+static void wpa_driver_hostap_deinit(void *priv)
+{
+	struct wpa_driver_hostap_data *drv = priv;
+	wpa_driver_hostap_set_wpa(drv, 0);
+	wpa_driver_wext_deinit(drv->wext);
+	close(drv->sock);
+	os_free(drv);
+}
+
+#endif /* HOSTAPD */
+
+
+const struct wpa_driver_ops wpa_driver_hostap_ops = {
+	.name = "hostap",
+	.desc = "Host AP driver (Intersil Prism2/2.5/3)",
+	.set_key = wpa_driver_hostap_set_key,
+#ifdef HOSTAPD
+	.hapd_init = hostap_init,
+	.hapd_deinit = hostap_driver_deinit,
+	.set_ieee8021x = hostap_set_ieee8021x,
+	.set_privacy = hostap_set_privacy,
+	.get_seqnum = hostap_get_seqnum,
+	.flush = hostap_flush,
+	.set_generic_elem = hostap_set_generic_elem,
+	.read_sta_data = hostap_read_sta_data,
+	.hapd_send_eapol = hostap_send_eapol,
+	.sta_set_flags = hostap_sta_set_flags,
+	.sta_deauth = hostap_sta_deauth,
+	.sta_disassoc = hostap_sta_disassoc,
+	.sta_remove = hostap_sta_remove,
+	.hapd_set_ssid = hostap_set_ssid,
+	.send_mlme = hostap_send_mlme,
+	.sta_add = hostap_sta_add,
+	.get_inact_sec = hostap_get_inact_sec,
+	.sta_clear_stats = hostap_sta_clear_stats,
+	.get_hw_feature_data = hostap_get_hw_feature_data,
+	.set_ap_wps_ie = hostap_set_ap_wps_ie,
+#else /* HOSTAPD */
+	.get_bssid = wpa_driver_hostap_get_bssid,
+	.get_ssid = wpa_driver_hostap_get_ssid,
+	.set_countermeasures = wpa_driver_hostap_set_countermeasures,
+	.scan2 = wpa_driver_hostap_scan,
+	.get_scan_results2 = wpa_driver_hostap_get_scan_results,
+	.deauthenticate = wpa_driver_hostap_deauthenticate,
+	.disassociate = wpa_driver_hostap_disassociate,
+	.associate = wpa_driver_hostap_associate,
+	.init = wpa_driver_hostap_init,
+	.deinit = wpa_driver_hostap_deinit,
+	.set_operstate = wpa_driver_hostap_set_operstate,
+#endif /* HOSTAPD */
+};
diff --git a/src/drivers/driver_hostap.h b/src/drivers/driver_hostap.h
new file mode 100644
index 0000000..66b2bb3
--- /dev/null
+++ b/src/drivers/driver_hostap.h
@@ -0,0 +1,216 @@
+/*
+ * Driver interaction with Linux Host AP driver
+ * Copyright (c) 2002-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef HOSTAP_DRIVER_H
+#define HOSTAP_DRIVER_H
+
+/* netdevice private ioctls (used, e.g., with iwpriv from user space) */
+
+/* New wireless extensions API - SET/GET convention (even ioctl numbers are
+ * root only)
+ */
+#define PRISM2_IOCTL_PRISM2_PARAM (SIOCIWFIRSTPRIV + 0)
+#define PRISM2_IOCTL_GET_PRISM2_PARAM (SIOCIWFIRSTPRIV + 1)
+#define PRISM2_IOCTL_WRITEMIF (SIOCIWFIRSTPRIV + 2)
+#define PRISM2_IOCTL_READMIF (SIOCIWFIRSTPRIV + 3)
+#define PRISM2_IOCTL_MONITOR (SIOCIWFIRSTPRIV + 4)
+#define PRISM2_IOCTL_RESET (SIOCIWFIRSTPRIV + 6)
+#define PRISM2_IOCTL_INQUIRE (SIOCIWFIRSTPRIV + 8)
+#define PRISM2_IOCTL_WDS_ADD (SIOCIWFIRSTPRIV + 10)
+#define PRISM2_IOCTL_WDS_DEL (SIOCIWFIRSTPRIV + 12)
+#define PRISM2_IOCTL_SET_RID_WORD (SIOCIWFIRSTPRIV + 14)
+#define PRISM2_IOCTL_MACCMD (SIOCIWFIRSTPRIV + 16)
+#define PRISM2_IOCTL_ADDMAC (SIOCIWFIRSTPRIV + 18)
+#define PRISM2_IOCTL_DELMAC (SIOCIWFIRSTPRIV + 20)
+#define PRISM2_IOCTL_KICKMAC (SIOCIWFIRSTPRIV + 22)
+
+/* following are not in SIOCGIWPRIV list; check permission in the driver code
+ */
+#define PRISM2_IOCTL_DOWNLOAD (SIOCDEVPRIVATE + 13)
+#define PRISM2_IOCTL_HOSTAPD (SIOCDEVPRIVATE + 14)
+
+
+/* PRISM2_IOCTL_PRISM2_PARAM ioctl() subtypes: */
+enum {
+	/* PRISM2_PARAM_PTYPE = 1, */ /* REMOVED 2003-10-22 */
+	PRISM2_PARAM_TXRATECTRL = 2,
+	PRISM2_PARAM_BEACON_INT = 3,
+	PRISM2_PARAM_PSEUDO_IBSS = 4,
+	PRISM2_PARAM_ALC = 5,
+	/* PRISM2_PARAM_TXPOWER = 6, */ /* REMOVED 2003-10-22 */
+	PRISM2_PARAM_DUMP = 7,
+	PRISM2_PARAM_OTHER_AP_POLICY = 8,
+	PRISM2_PARAM_AP_MAX_INACTIVITY = 9,
+	PRISM2_PARAM_AP_BRIDGE_PACKETS = 10,
+	PRISM2_PARAM_DTIM_PERIOD = 11,
+	PRISM2_PARAM_AP_NULLFUNC_ACK = 12,
+	PRISM2_PARAM_MAX_WDS = 13,
+	PRISM2_PARAM_AP_AUTOM_AP_WDS = 14,
+	PRISM2_PARAM_AP_AUTH_ALGS = 15,
+	PRISM2_PARAM_MONITOR_ALLOW_FCSERR = 16,
+	PRISM2_PARAM_HOST_ENCRYPT = 17,
+	PRISM2_PARAM_HOST_DECRYPT = 18,
+	PRISM2_PARAM_BUS_MASTER_THRESHOLD_RX = 19,
+	PRISM2_PARAM_BUS_MASTER_THRESHOLD_TX = 20,
+	PRISM2_PARAM_HOST_ROAMING = 21,
+	PRISM2_PARAM_BCRX_STA_KEY = 22,
+	PRISM2_PARAM_IEEE_802_1X = 23,
+	PRISM2_PARAM_ANTSEL_TX = 24,
+	PRISM2_PARAM_ANTSEL_RX = 25,
+	PRISM2_PARAM_MONITOR_TYPE = 26,
+	PRISM2_PARAM_WDS_TYPE = 27,
+	PRISM2_PARAM_HOSTSCAN = 28,
+	PRISM2_PARAM_AP_SCAN = 29,
+	PRISM2_PARAM_ENH_SEC = 30,
+	PRISM2_PARAM_IO_DEBUG = 31,
+	PRISM2_PARAM_BASIC_RATES = 32,
+	PRISM2_PARAM_OPER_RATES = 33,
+	PRISM2_PARAM_HOSTAPD = 34,
+	PRISM2_PARAM_HOSTAPD_STA = 35,
+	PRISM2_PARAM_WPA = 36,
+	PRISM2_PARAM_PRIVACY_INVOKED = 37,
+	PRISM2_PARAM_TKIP_COUNTERMEASURES = 38,
+	PRISM2_PARAM_DROP_UNENCRYPTED = 39,
+	PRISM2_PARAM_SCAN_CHANNEL_MASK = 40,
+};
+
+enum { HOSTAP_ANTSEL_DO_NOT_TOUCH = 0, HOSTAP_ANTSEL_DIVERSITY = 1,
+       HOSTAP_ANTSEL_LOW = 2, HOSTAP_ANTSEL_HIGH = 3 };
+
+
+/* PRISM2_IOCTL_MACCMD ioctl() subcommands: */
+enum { AP_MAC_CMD_POLICY_OPEN = 0, AP_MAC_CMD_POLICY_ALLOW = 1,
+       AP_MAC_CMD_POLICY_DENY = 2, AP_MAC_CMD_FLUSH = 3,
+       AP_MAC_CMD_KICKALL = 4 };
+
+
+/* PRISM2_IOCTL_DOWNLOAD ioctl() dl_cmd: */
+enum {
+	PRISM2_DOWNLOAD_VOLATILE = 1 /* RAM */,
+	/* Note! Old versions of prism2_srec have a fatal error in CRC-16
+	 * calculation, which will corrupt all non-volatile downloads.
+	 * PRISM2_DOWNLOAD_NON_VOLATILE used to be 2, but it is now 3 to
+	 * prevent use of old versions of prism2_srec for non-volatile
+	 * download. */
+	PRISM2_DOWNLOAD_NON_VOLATILE = 3 /* FLASH */,
+	PRISM2_DOWNLOAD_VOLATILE_GENESIS = 4 /* RAM in Genesis mode */,
+	/* Persistent versions of volatile download commands (keep firmware
+	 * data in memory and automatically re-download after hw_reset */
+	PRISM2_DOWNLOAD_VOLATILE_PERSISTENT = 5,
+	PRISM2_DOWNLOAD_VOLATILE_GENESIS_PERSISTENT = 6,
+};
+
+struct prism2_download_param {
+	u32 dl_cmd;
+	u32 start_addr;
+	u32 num_areas;
+	struct prism2_download_area {
+		u32 addr; /* wlan card address */
+		u32 len;
+		caddr_t ptr; /* pointer to data in user space */
+	} data[0];
+};
+
+#define PRISM2_MAX_DOWNLOAD_AREA_LEN 131072
+#define PRISM2_MAX_DOWNLOAD_LEN 262144
+
+
+/* PRISM2_IOCTL_HOSTAPD ioctl() cmd: */
+enum {
+	PRISM2_HOSTAPD_FLUSH = 1,
+	PRISM2_HOSTAPD_ADD_STA = 2,
+	PRISM2_HOSTAPD_REMOVE_STA = 3,
+	PRISM2_HOSTAPD_GET_INFO_STA = 4,
+	/* REMOVED: PRISM2_HOSTAPD_RESET_TXEXC_STA = 5, */
+	PRISM2_SET_ENCRYPTION = 6,
+	PRISM2_GET_ENCRYPTION = 7,
+	PRISM2_HOSTAPD_SET_FLAGS_STA = 8,
+	PRISM2_HOSTAPD_GET_RID = 9,
+	PRISM2_HOSTAPD_SET_RID = 10,
+	PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR = 11,
+	PRISM2_HOSTAPD_SET_GENERIC_ELEMENT = 12,
+	PRISM2_HOSTAPD_MLME = 13,
+	PRISM2_HOSTAPD_SCAN_REQ = 14,
+	PRISM2_HOSTAPD_STA_CLEAR_STATS = 15,
+};
+
+#define PRISM2_HOSTAPD_MAX_BUF_SIZE 1024
+#define PRISM2_HOSTAPD_RID_HDR_LEN \
+((size_t) (&((struct prism2_hostapd_param *) 0)->u.rid.data))
+#define PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN \
+((size_t) (&((struct prism2_hostapd_param *) 0)->u.generic_elem.data))
+
+/* Maximum length for algorithm names (-1 for nul termination) used in ioctl()
+ */
+#define HOSTAP_CRYPT_ALG_NAME_LEN 16
+
+
+struct prism2_hostapd_param {
+	u32 cmd;
+	u8 sta_addr[ETH_ALEN];
+	union {
+		struct {
+			u16 aid;
+			u16 capability;
+			u8 tx_supp_rates;
+		} add_sta;
+		struct {
+			u32 inactive_sec;
+		} get_info_sta;
+		struct {
+			u8 alg[HOSTAP_CRYPT_ALG_NAME_LEN];
+			u32 flags;
+			u32 err;
+			u8 idx;
+			u8 seq[8]; /* sequence counter (set: RX, get: TX) */
+			u16 key_len;
+			u8 key[0];
+		} crypt;
+		struct {
+			u32 flags_and;
+			u32 flags_or;
+		} set_flags_sta;
+		struct {
+			u16 rid;
+			u16 len;
+			u8 data[0];
+		} rid;
+		struct {
+			u8 len;
+			u8 data[0];
+		} generic_elem;
+		struct {
+#define MLME_STA_DEAUTH 0
+#define MLME_STA_DISASSOC 1
+			u16 cmd;
+			u16 reason_code;
+		} mlme;
+		struct {
+			u8 ssid_len;
+			u8 ssid[32];
+		} scan_req;
+	} u;
+};
+
+#define HOSTAP_CRYPT_FLAG_SET_TX_KEY BIT(0)
+#define HOSTAP_CRYPT_FLAG_PERMANENT BIT(1)
+
+#define HOSTAP_CRYPT_ERR_UNKNOWN_ALG 2
+#define HOSTAP_CRYPT_ERR_UNKNOWN_ADDR 3
+#define HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED 4
+#define HOSTAP_CRYPT_ERR_KEY_SET_FAILED 5
+#define HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED 6
+#define HOSTAP_CRYPT_ERR_CARD_CONF_FAILED 7
+
+#endif /* HOSTAP_DRIVER_H */
diff --git a/src/drivers/driver_iphone.m b/src/drivers/driver_iphone.m
new file mode 100644
index 0000000..8213fda
--- /dev/null
+++ b/src/drivers/driver_iphone.m
@@ -0,0 +1,466 @@
+/*
+ * WPA Supplicant - iPhone/iPod touch Apple80211 driver interface
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#define Boolean __DummyBoolean
+#include <CoreFoundation/CoreFoundation.h>
+#undef Boolean
+
+#include "common.h"
+#include "driver.h"
+#include "eloop.h"
+#include "common/ieee802_11_defs.h"
+
+#include "MobileApple80211.h"
+
+struct wpa_driver_iphone_data {
+	void *ctx;
+	Apple80211Ref wireless_ctx;
+	CFArrayRef scan_results;
+	int ctrl_power;
+};
+
+
+static const void * cfdict_get_key_str(CFDictionaryRef dict, const char *key)
+{
+	const void *res;
+	CFStringRef str = CFStringCreateWithCString(kCFAllocatorDefault, key,
+						    kCFStringEncodingMacRoman);
+	if (str == NULL)
+		return NULL;
+
+	res = CFDictionaryGetValue(dict, str);
+	CFRelease(str);
+	return res;
+}
+
+
+static int wpa_driver_iphone_get_ssid(void *priv, u8 *ssid)
+{
+	struct wpa_driver_iphone_data *drv = priv;
+	CFDataRef data;
+	int err, len;
+
+	err = Apple80211CopyValue(drv->wireless_ctx, APPLE80211_VALUE_SSID, 0,
+				  &data);
+	if (err != 0) {
+		wpa_printf(MSG_DEBUG, "iPhone: Apple80211CopyValue(SSID) "
+			   "failed: %d", err);
+		return -1;
+	}
+
+	len = CFDataGetLength(data);
+	if (len > 32) {
+		CFRelease(data);
+		return -1;
+	}
+	os_memcpy(ssid, CFDataGetBytePtr(data), len);
+	CFRelease(data);
+
+	return len;
+}
+
+
+static int wpa_driver_iphone_get_bssid(void *priv, u8 *bssid)
+{
+	struct wpa_driver_iphone_data *drv = priv;
+	CFStringRef data;
+	int err;
+	int a1, a2, a3, a4, a5, a6;
+
+	err = Apple80211CopyValue(drv->wireless_ctx, APPLE80211_VALUE_BSSID, 0,
+				  &data);
+	if (err != 0) {
+		wpa_printf(MSG_DEBUG, "iPhone: Apple80211CopyValue(BSSID) "
+			   "failed: %d", err);
+		return -1;
+	}
+
+	sscanf(CFStringGetCStringPtr(data, kCFStringEncodingMacRoman),
+	       "%x:%x:%x:%x:%x:%x", &a1, &a2, &a3, &a4, &a5, &a6);
+	bssid[0] = a1;
+	bssid[1] = a2;
+	bssid[2] = a3;
+	bssid[3] = a4;
+	bssid[4] = a5;
+	bssid[5] = a6;
+
+	CFRelease(data);
+
+	return 0;
+}
+
+
+static void wpa_driver_iphone_scan_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
+}
+
+
+static int wpa_driver_iphone_scan(void *priv, const u8 *ssid, size_t ssid_len)
+{
+	struct wpa_driver_iphone_data *drv = priv;
+	int err;
+
+	if (drv->scan_results) {
+		CFRelease(drv->scan_results);
+		drv->scan_results = NULL;
+	}
+
+	err = Apple80211Scan(drv->wireless_ctx, &drv->scan_results, NULL);
+	if (err) {
+		wpa_printf(MSG_DEBUG, "iPhone: Apple80211Scan failed: %d",
+			   err);
+		return -1;
+	}
+
+	eloop_register_timeout(0, 0, wpa_driver_iphone_scan_timeout, drv,
+			       drv->ctx);
+	return 0;
+}
+
+
+static int wpa_driver_iphone_get_scan_results(void *priv,
+					      struct wpa_scan_result *results,
+					      size_t max_size)
+{
+	struct wpa_driver_iphone_data *drv = priv;
+	size_t i, num;
+
+	if (drv->scan_results == NULL)
+		return 0;
+
+	num = CFArrayGetCount(drv->scan_results);
+	if (num > max_size)
+		num = max_size;
+	os_memset(results, 0, num * sizeof(struct wpa_scan_result));
+
+	for (i = 0; i < num; i++) {
+		struct wpa_scan_result *res = &results[i];
+		CFDictionaryRef dict =
+			CFArrayGetValueAtIndex(drv->scan_results, i);
+		CFDataRef data;
+		CFStringRef str;
+		CFNumberRef num;
+		int val;
+
+		data = cfdict_get_key_str(dict, "SSID");
+		if (data) {
+			res->ssid_len = CFDataGetLength(data);
+			if (res->ssid_len > 32)
+				res->ssid_len = 32;
+			os_memcpy(res->ssid, CFDataGetBytePtr(data),
+				  res->ssid_len);
+		}
+
+		str = cfdict_get_key_str(dict, "BSSID");
+		if (str) {
+			int a1, a2, a3, a4, a5, a6;
+			sscanf(CFStringGetCStringPtr(
+				       str, kCFStringEncodingMacRoman),
+			       "%x:%x:%x:%x:%x:%x",
+			       &a1, &a2, &a3, &a4, &a5, &a6);
+			res->bssid[0] = a1;
+			res->bssid[1] = a2;
+			res->bssid[2] = a3;
+			res->bssid[3] = a4;
+			res->bssid[4] = a5;
+			res->bssid[5] = a6;
+		}
+
+		num = cfdict_get_key_str(dict, "CAPABILITIES");
+		if (num) {
+			if (CFNumberGetValue(num, kCFNumberSInt32Type, &val))
+				res->caps = val;
+		}
+
+		num = cfdict_get_key_str(dict, "CHANNEL");
+		if (num) {
+			if (CFNumberGetValue(num, kCFNumberSInt32Type, &val))
+				res->freq = 2407 + val * 5;
+		}
+
+		num = cfdict_get_key_str(dict, "RSSI");
+		if (num) {
+			if (CFNumberGetValue(num, kCFNumberSInt32Type, &val))
+				res->level = val;
+		}
+
+		num = cfdict_get_key_str(dict, "NOISE");
+		if (num) {
+			if (CFNumberGetValue(num, kCFNumberSInt32Type, &val))
+				res->noise = val;
+		}
+
+		data = cfdict_get_key_str(dict, "IE");
+		if (data) {
+			u8 *ptr = (u8 *) CFDataGetBytePtr(data);
+			int len = CFDataGetLength(data);
+			u8 *pos = ptr, *end = ptr + len;
+
+			while (pos + 2 < end) {
+				if (pos + 2 + pos[1] > end)
+					break;
+				if (pos[0] == WLAN_EID_RSN &&
+				    pos[1] <= SSID_MAX_WPA_IE_LEN) {
+					os_memcpy(res->rsn_ie, pos,
+						  2 + pos[1]);
+					res->rsn_ie_len = 2 + pos[1];
+				}
+				if (pos[0] == WLAN_EID_VENDOR_SPECIFIC &&
+				    pos[1] > 4 && pos[2] == 0x00 &&
+				    pos[3] == 0x50 && pos[4] == 0xf2 &&
+				    pos[5] == 0x01) {
+					os_memcpy(res->wpa_ie, pos,
+						  2 + pos[1]);
+					res->wpa_ie_len = 2 + pos[1];
+				}
+
+				pos = pos + 2 + pos[1];
+			}
+		}
+	}
+
+	return num;
+}
+
+
+static void wpa_driver_iphone_assoc_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_driver_iphone_data *drv = eloop_ctx;
+	u8 bssid[ETH_ALEN];
+
+	if (wpa_driver_iphone_get_bssid(drv, bssid) != 0) {
+		eloop_register_timeout(1, 0, wpa_driver_iphone_assoc_timeout,
+				       drv, drv->ctx);
+		return;
+	}
+
+	wpa_supplicant_event(timeout_ctx, EVENT_ASSOC, NULL);
+}
+
+
+static int wpa_driver_iphone_associate(
+	void *priv, struct wpa_driver_associate_params *params)
+{
+	struct wpa_driver_iphone_data *drv = priv;
+	int i, num, err;
+	size_t ssid_len;
+	CFDictionaryRef bss = NULL;
+
+	/*
+	 * TODO: Consider generating parameters instead of just using an entry
+	 * from scan results in order to support ap_scan=2.
+	 */
+
+	if (drv->scan_results == NULL) {
+		wpa_printf(MSG_DEBUG, "iPhone: No scan results - cannot "
+			   "associate");
+		return -1;
+	}
+
+	num = CFArrayGetCount(drv->scan_results);
+
+	for (i = 0; i < num; i++) {
+		CFDictionaryRef dict =
+			CFArrayGetValueAtIndex(drv->scan_results, i);
+		CFDataRef data;
+
+		data = cfdict_get_key_str(dict, "SSID");
+		if (data == NULL)
+			continue;
+
+		ssid_len = CFDataGetLength(data);
+		if (ssid_len != params->ssid_len ||
+		    os_memcmp(CFDataGetBytePtr(data), params->ssid, ssid_len)
+		    != 0)
+			continue;
+
+		bss = dict;
+		break;
+	}
+
+	if (bss == NULL) {
+		wpa_printf(MSG_DEBUG, "iPhone: Could not find SSID from scan "
+			   "results - cannot associate");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "iPhone: Trying to associate with a BSS found "
+		   "from scan results");
+
+	err = Apple80211Associate(drv->wireless_ctx, bss, NULL);
+	if (err) {
+		wpa_printf(MSG_DEBUG, "iPhone: Apple80211Associate() failed: "
+			   "%d", err);
+		return -1;
+	}
+
+	/*
+	 * Driver is actually already associated; report association from an
+	 * eloop callback.
+	 */
+	eloop_cancel_timeout(wpa_driver_iphone_assoc_timeout, drv, drv->ctx);
+	eloop_register_timeout(0, 0, wpa_driver_iphone_assoc_timeout, drv,
+			       drv->ctx);
+
+	return 0;
+}
+
+
+static int wpa_driver_iphone_set_key(void *priv, wpa_alg alg, const u8 *addr,
+				     int key_idx, int set_tx, const u8 *seq,
+				     size_t seq_len, const u8 *key,
+				     size_t key_len)
+{
+	/*
+	 * TODO: Need to either support configuring PMK for 4-way handshake or
+	 * PTK for TKIP/CCMP.
+	 */
+	return -1;
+}
+
+
+static int wpa_driver_iphone_get_capa(void *priv, struct wpa_driver_capa *capa)
+{
+	os_memset(capa, 0, sizeof(*capa));
+
+	capa->key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
+		WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
+		WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
+		WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
+	capa->enc = WPA_DRIVER_CAPA_ENC_WEP40 | WPA_DRIVER_CAPA_ENC_WEP104 |
+		WPA_DRIVER_CAPA_ENC_TKIP | WPA_DRIVER_CAPA_ENC_CCMP;
+	capa->auth = WPA_DRIVER_AUTH_OPEN | WPA_DRIVER_AUTH_SHARED |
+		WPA_DRIVER_AUTH_LEAP;
+	capa->flags = WPA_DRIVER_FLAGS_4WAY_HANDSHAKE;
+
+	return 0;
+}
+
+
+static void * wpa_driver_iphone_init(void *ctx, const char *ifname)
+{
+	struct wpa_driver_iphone_data *drv;
+	int err;
+	char power;
+	CFStringRef name;
+	CFDictionaryRef dict;
+
+	drv = os_zalloc(sizeof(*drv));
+	if (drv == NULL)
+		return NULL;
+	drv->ctx = ctx;
+	err = Apple80211Open(&drv->wireless_ctx);
+	if (err) {
+		wpa_printf(MSG_ERROR, "iPhone: Apple80211Open failed: %d",
+			   err);
+		os_free(drv);
+		return NULL;
+	}
+
+	name = CFStringCreateWithCString(kCFAllocatorDefault, ifname,
+					 kCFStringEncodingISOLatin1);
+	if (name == NULL) {
+		wpa_printf(MSG_ERROR, "iPhone: ifname -> CFString failed");
+		Apple80211Close(drv->wireless_ctx);
+		os_free(drv);
+		return NULL;
+	}
+
+	err = Apple80211BindToInterface(drv->wireless_ctx, name);
+	CFRelease(name);
+
+	if (err) {
+		wpa_printf(MSG_ERROR, "iPhone: Apple80211BindToInterface "
+			   "failed: %d", err);
+		Apple80211Close(drv->wireless_ctx);
+		os_free(drv);
+		return NULL;
+	}
+
+	err = Apple80211GetPower(drv->wireless_ctx, &power);
+	if (err)
+		wpa_printf(MSG_DEBUG, "iPhone: Apple80211GetPower failed: %d",
+			   err);
+
+	wpa_printf(MSG_DEBUG, "iPhone: Power=%d", power);
+
+	if (!power) {
+		drv->ctrl_power = 1;
+		err = Apple80211SetPower(drv->wireless_ctx, 1);
+		if (err) {
+			wpa_printf(MSG_DEBUG, "iPhone: Apple80211SetPower "
+				   "failed: %d", err);
+			Apple80211Close(drv->wireless_ctx);
+			os_free(drv);
+			return NULL;
+		}
+	}
+
+	err = Apple80211GetInfoCopy(drv->wireless_ctx, &dict);
+	if (err == 0) {
+		CFShow(dict);
+		CFRelease(dict);
+	} else {
+		printf("Apple80211GetInfoCopy: %d\n", err);
+	}
+
+	return drv;
+}
+
+
+static void wpa_driver_iphone_deinit(void *priv)
+{
+	struct wpa_driver_iphone_data *drv = priv;
+	int err;
+
+	eloop_cancel_timeout(wpa_driver_iphone_scan_timeout, drv, drv->ctx);
+	eloop_cancel_timeout(wpa_driver_iphone_assoc_timeout, drv, drv->ctx);
+
+	if (drv->ctrl_power) {
+		wpa_printf(MSG_DEBUG, "iPhone: Power down the interface");
+		err = Apple80211SetPower(drv->wireless_ctx, 0);
+		if (err) {
+			wpa_printf(MSG_DEBUG, "iPhone: Apple80211SetPower(0) "
+				   "failed: %d", err);
+		}
+	}
+
+	err = Apple80211Close(drv->wireless_ctx);
+	if (err) {
+		wpa_printf(MSG_DEBUG, "iPhone: Apple80211Close failed: %d",
+			   err);
+	}
+
+	if (drv->scan_results)
+		CFRelease(drv->scan_results);
+
+	os_free(drv);
+}
+
+
+const struct wpa_driver_ops wpa_driver_iphone_ops = {
+	.name = "iphone",
+	.desc = "iPhone/iPod touch Apple80211 driver",
+	.get_ssid = wpa_driver_iphone_get_ssid,
+	.get_bssid = wpa_driver_iphone_get_bssid,
+	.init = wpa_driver_iphone_init,
+	.deinit = wpa_driver_iphone_deinit,
+	.scan = wpa_driver_iphone_scan,
+	.get_scan_results = wpa_driver_iphone_get_scan_results,
+	.associate = wpa_driver_iphone_associate,
+	.set_key = wpa_driver_iphone_set_key,
+	.get_capa = wpa_driver_iphone_get_capa,
+};
diff --git a/src/drivers/driver_madwifi.c b/src/drivers/driver_madwifi.c
new file mode 100644
index 0000000..630fbf4
--- /dev/null
+++ b/src/drivers/driver_madwifi.c
@@ -0,0 +1,1856 @@
+/*
+ * WPA Supplicant - driver interaction with MADWIFI 802.11 driver
+ * Copyright (c) 2004, Sam Leffler <sam@errno.com>
+ * Copyright (c) 2004, Video54 Technologies
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * While this driver wrapper supports both AP (hostapd) and station
+ * (wpa_supplicant) operations, the station side is deprecated and
+ * driver_wext.c should be used instead. This driver wrapper should only be
+ * used with hostapd for AP mode functionality.
+ */
+
+#include "includes.h"
+#include <sys/ioctl.h>
+
+#include "common.h"
+#include "driver.h"
+#include "driver_wext.h"
+#include "eloop.h"
+#include "common/ieee802_11_defs.h"
+#include "wireless_copy.h"
+
+/*
+ * Avoid conflicts with wpa_supplicant definitions by undefining a definition.
+ */
+#undef WME_OUI_TYPE
+
+#include <include/compat.h>
+#include <net80211/ieee80211.h>
+#ifdef WME_NUM_AC
+/* Assume this is built against BSD branch of madwifi driver. */
+#define MADWIFI_BSD
+#include <net80211/_ieee80211.h>
+#endif /* WME_NUM_AC */
+#include <net80211/ieee80211_crypto.h>
+#include <net80211/ieee80211_ioctl.h>
+
+#ifdef CONFIG_WPS
+#ifdef IEEE80211_IOCTL_FILTERFRAME
+#include <netpacket/packet.h>
+
+#ifndef ETH_P_80211_RAW
+#define ETH_P_80211_RAW 0x0019
+#endif
+#endif /* IEEE80211_IOCTL_FILTERFRAME */
+#endif /* CONFIG_WPS */
+
+/*
+ * Avoid conflicts with hostapd definitions by undefining couple of defines
+ * from madwifi header files.
+ */
+#undef RSN_VERSION
+#undef WPA_VERSION
+#undef WPA_OUI_TYPE
+#undef WME_OUI_TYPE
+
+
+#ifdef IEEE80211_IOCTL_SETWMMPARAMS
+/* Assume this is built against madwifi-ng */
+#define MADWIFI_NG
+#endif /* IEEE80211_IOCTL_SETWMMPARAMS */
+
+#define WPA_KEY_RSC_LEN 8
+
+#ifdef HOSTAPD
+
+#include "priv_netlink.h"
+#include "netlink.h"
+#include "linux_ioctl.h"
+#include "l2_packet/l2_packet.h"
+
+
+struct madwifi_driver_data {
+	struct hostapd_data *hapd;		/* back pointer */
+
+	char	iface[IFNAMSIZ + 1];
+	int     ifindex;
+	struct l2_packet_data *sock_xmit;	/* raw packet xmit socket */
+	struct l2_packet_data *sock_recv;	/* raw packet recv socket */
+	int	ioctl_sock;			/* socket for ioctl() use */
+	struct netlink_data *netlink;
+	int	we_version;
+	u8	acct_mac[ETH_ALEN];
+	struct hostap_sta_driver_data acct_data;
+
+	struct l2_packet_data *sock_raw; /* raw 802.11 management frames */
+};
+
+static int madwifi_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
+			      int reason_code);
+
+static int
+set80211priv(struct madwifi_driver_data *drv, int op, void *data, int len)
+{
+	struct iwreq iwr;
+	int do_inline = len < IFNAMSIZ;
+
+	memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+#ifdef IEEE80211_IOCTL_FILTERFRAME
+	/* FILTERFRAME must be NOT inline, regardless of size. */
+	if (op == IEEE80211_IOCTL_FILTERFRAME)
+		do_inline = 0;
+#endif /* IEEE80211_IOCTL_FILTERFRAME */
+	if (op == IEEE80211_IOCTL_SET_APPIEBUF)
+		do_inline = 0;
+	if (do_inline) {
+		/*
+		 * Argument data fits inline; put it there.
+		 */
+		memcpy(iwr.u.name, data, len);
+	} else {
+		/*
+		 * Argument data too big for inline transfer; setup a
+		 * parameter block instead; the kernel will transfer
+		 * the data for the driver.
+		 */
+		iwr.u.data.pointer = data;
+		iwr.u.data.length = len;
+	}
+
+	if (ioctl(drv->ioctl_sock, op, &iwr) < 0) {
+#ifdef MADWIFI_NG
+		int first = IEEE80211_IOCTL_SETPARAM;
+		static const char *opnames[] = {
+			"ioctl[IEEE80211_IOCTL_SETPARAM]",
+			"ioctl[IEEE80211_IOCTL_GETPARAM]",
+			"ioctl[IEEE80211_IOCTL_SETMODE]",
+			"ioctl[IEEE80211_IOCTL_GETMODE]",
+			"ioctl[IEEE80211_IOCTL_SETWMMPARAMS]",
+			"ioctl[IEEE80211_IOCTL_GETWMMPARAMS]",
+			"ioctl[IEEE80211_IOCTL_SETCHANLIST]",
+			"ioctl[IEEE80211_IOCTL_GETCHANLIST]",
+			"ioctl[IEEE80211_IOCTL_CHANSWITCH]",
+			"ioctl[IEEE80211_IOCTL_GET_APPIEBUF]",
+			"ioctl[IEEE80211_IOCTL_SET_APPIEBUF]",
+			"ioctl[IEEE80211_IOCTL_GETSCANRESULTS]",
+			"ioctl[IEEE80211_IOCTL_FILTERFRAME]",
+			"ioctl[IEEE80211_IOCTL_GETCHANINFO]",
+			"ioctl[IEEE80211_IOCTL_SETOPTIE]",
+			"ioctl[IEEE80211_IOCTL_GETOPTIE]",
+			"ioctl[IEEE80211_IOCTL_SETMLME]",
+			NULL,
+			"ioctl[IEEE80211_IOCTL_SETKEY]",
+			NULL,
+			"ioctl[IEEE80211_IOCTL_DELKEY]",
+			NULL,
+			"ioctl[IEEE80211_IOCTL_ADDMAC]",
+			NULL,
+			"ioctl[IEEE80211_IOCTL_DELMAC]",
+			NULL,
+			"ioctl[IEEE80211_IOCTL_WDSMAC]",
+			NULL,
+			"ioctl[IEEE80211_IOCTL_WDSDELMAC]",
+			NULL,
+			"ioctl[IEEE80211_IOCTL_KICKMAC]",
+		};
+#else /* MADWIFI_NG */
+		int first = IEEE80211_IOCTL_SETPARAM;
+		static const char *opnames[] = {
+			"ioctl[IEEE80211_IOCTL_SETPARAM]",
+			"ioctl[IEEE80211_IOCTL_GETPARAM]",
+			"ioctl[IEEE80211_IOCTL_SETKEY]",
+			"ioctl[SIOCIWFIRSTPRIV+3]",
+			"ioctl[IEEE80211_IOCTL_DELKEY]",
+			"ioctl[SIOCIWFIRSTPRIV+5]",
+			"ioctl[IEEE80211_IOCTL_SETMLME]",
+			"ioctl[SIOCIWFIRSTPRIV+7]",
+			"ioctl[IEEE80211_IOCTL_SETOPTIE]",
+			"ioctl[IEEE80211_IOCTL_GETOPTIE]",
+			"ioctl[IEEE80211_IOCTL_ADDMAC]",
+			"ioctl[SIOCIWFIRSTPRIV+11]",
+			"ioctl[IEEE80211_IOCTL_DELMAC]",
+			"ioctl[SIOCIWFIRSTPRIV+13]",
+			"ioctl[IEEE80211_IOCTL_CHANLIST]",
+			"ioctl[SIOCIWFIRSTPRIV+15]",
+			"ioctl[IEEE80211_IOCTL_GETRSN]",
+			"ioctl[SIOCIWFIRSTPRIV+17]",
+			"ioctl[IEEE80211_IOCTL_GETKEY]",
+		};
+#endif /* MADWIFI_NG */
+		int idx = op - first;
+		if (first <= op &&
+		    idx < (int) (sizeof(opnames) / sizeof(opnames[0])) &&
+		    opnames[idx])
+			perror(opnames[idx]);
+		else
+			perror("ioctl[unknown???]");
+		return -1;
+	}
+	return 0;
+}
+
+static int
+set80211param(struct madwifi_driver_data *drv, int op, int arg)
+{
+	struct iwreq iwr;
+
+	memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+	iwr.u.mode = op;
+	memcpy(iwr.u.name+sizeof(__u32), &arg, sizeof(arg));
+
+	if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
+		perror("ioctl[IEEE80211_IOCTL_SETPARAM]");
+		wpa_printf(MSG_DEBUG, "%s: Failed to set parameter (op %d "
+			   "arg %d)", __func__, op, arg);
+		return -1;
+	}
+	return 0;
+}
+
+#ifndef CONFIG_NO_STDOUT_DEBUG
+static const char *
+ether_sprintf(const u8 *addr)
+{
+	static char buf[sizeof(MACSTR)];
+
+	if (addr != NULL)
+		snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
+	else
+		snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
+	return buf;
+}
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+
+/*
+ * Configure WPA parameters.
+ */
+static int
+madwifi_configure_wpa(struct madwifi_driver_data *drv,
+		      struct wpa_bss_params *params)
+{
+	int v;
+
+	switch (params->wpa_group) {
+	case WPA_CIPHER_CCMP:
+		v = IEEE80211_CIPHER_AES_CCM;
+		break;
+	case WPA_CIPHER_TKIP:
+		v = IEEE80211_CIPHER_TKIP;
+		break;
+	case WPA_CIPHER_WEP104:
+		v = IEEE80211_CIPHER_WEP;
+		break;
+	case WPA_CIPHER_WEP40:
+		v = IEEE80211_CIPHER_WEP;
+		break;
+	case WPA_CIPHER_NONE:
+		v = IEEE80211_CIPHER_NONE;
+		break;
+	default:
+		wpa_printf(MSG_ERROR, "Unknown group key cipher %u",
+			   params->wpa_group);
+		return -1;
+	}
+	wpa_printf(MSG_DEBUG, "%s: group key cipher=%d", __func__, v);
+	if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) {
+		printf("Unable to set group key cipher to %u\n", v);
+		return -1;
+	}
+	if (v == IEEE80211_CIPHER_WEP) {
+		/* key length is done only for specific ciphers */
+		v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
+		if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) {
+			printf("Unable to set group key length to %u\n", v);
+			return -1;
+		}
+	}
+
+	v = 0;
+	if (params->wpa_pairwise & WPA_CIPHER_CCMP)
+		v |= 1<<IEEE80211_CIPHER_AES_CCM;
+	if (params->wpa_pairwise & WPA_CIPHER_TKIP)
+		v |= 1<<IEEE80211_CIPHER_TKIP;
+	if (params->wpa_pairwise & WPA_CIPHER_NONE)
+		v |= 1<<IEEE80211_CIPHER_NONE;
+	wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
+	if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) {
+		printf("Unable to set pairwise key ciphers to 0x%x\n", v);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
+		   __func__, params->wpa_key_mgmt);
+	if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS,
+			  params->wpa_key_mgmt)) {
+		printf("Unable to set key management algorithms to 0x%x\n",
+			params->wpa_key_mgmt);
+		return -1;
+	}
+
+	v = 0;
+	if (params->rsn_preauth)
+		v |= BIT(0);
+	wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
+		   __func__, params->rsn_preauth);
+	if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) {
+		printf("Unable to set RSN capabilities to 0x%x\n", v);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "%s: enable WPA=0x%x", __func__, params->wpa);
+	if (set80211param(drv, IEEE80211_PARAM_WPA, params->wpa)) {
+		printf("Unable to set WPA to %u\n", params->wpa);
+		return -1;
+	}
+	return 0;
+}
+
+static int
+madwifi_set_ieee8021x(void *priv, struct wpa_bss_params *params)
+{
+	struct madwifi_driver_data *drv = priv;
+
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
+
+	if (!params->enabled) {
+		/* XXX restore state */
+		return set80211param(priv, IEEE80211_PARAM_AUTHMODE,
+			IEEE80211_AUTH_AUTO);
+	}
+	if (!params->wpa && !params->ieee802_1x) {
+		hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
+			HOSTAPD_LEVEL_WARNING, "No 802.1X or WPA enabled!");
+		return -1;
+	}
+	if (params->wpa && madwifi_configure_wpa(drv, params) != 0) {
+		hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
+			HOSTAPD_LEVEL_WARNING, "Error configuring WPA state!");
+		return -1;
+	}
+	if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
+		(params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
+		hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
+			HOSTAPD_LEVEL_WARNING, "Error enabling WPA/802.1X!");
+		return -1;
+	}
+
+	return 0;
+}
+
+static int
+madwifi_set_privacy(void *priv, int enabled)
+{
+	struct madwifi_driver_data *drv = priv;
+
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
+
+	return set80211param(drv, IEEE80211_PARAM_PRIVACY, enabled);
+}
+
+static int
+madwifi_set_sta_authorized(void *priv, const u8 *addr, int authorized)
+{
+	struct madwifi_driver_data *drv = priv;
+	struct ieee80211req_mlme mlme;
+	int ret;
+
+	wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
+		   __func__, ether_sprintf(addr), authorized);
+
+	if (authorized)
+		mlme.im_op = IEEE80211_MLME_AUTHORIZE;
+	else
+		mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
+	mlme.im_reason = 0;
+	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
+	if (ret < 0) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR,
+			   __func__, authorized ? "" : "un", MAC2STR(addr));
+	}
+
+	return ret;
+}
+
+static int
+madwifi_sta_set_flags(void *priv, const u8 *addr,
+		      int total_flags, int flags_or, int flags_and)
+{
+	/* For now, only support setting Authorized flag */
+	if (flags_or & WPA_STA_AUTHORIZED)
+		return madwifi_set_sta_authorized(priv, addr, 1);
+	if (!(flags_and & WPA_STA_AUTHORIZED))
+		return madwifi_set_sta_authorized(priv, addr, 0);
+	return 0;
+}
+
+static int
+madwifi_del_key(void *priv, const u8 *addr, int key_idx)
+{
+	struct madwifi_driver_data *drv = priv;
+	struct ieee80211req_del_key wk;
+	int ret;
+
+	wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
+		   __func__, ether_sprintf(addr), key_idx);
+
+	memset(&wk, 0, sizeof(wk));
+	if (addr != NULL) {
+		memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
+		wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE;
+	} else {
+		wk.idk_keyix = key_idx;
+	}
+
+	ret = set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk));
+	if (ret < 0) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to delete key (addr %s"
+			   " key_idx %d)", __func__, ether_sprintf(addr),
+			   key_idx);
+	}
+
+	return ret;
+}
+
+static int
+wpa_driver_madwifi_set_key(const char *ifname, void *priv, enum wpa_alg alg,
+			   const u8 *addr, int key_idx, int set_tx,
+			   const u8 *seq, size_t seq_len,
+			   const u8 *key, size_t key_len)
+{
+	struct madwifi_driver_data *drv = priv;
+	struct ieee80211req_key wk;
+	u_int8_t cipher;
+	int ret;
+
+	if (alg == WPA_ALG_NONE)
+		return madwifi_del_key(drv, addr, key_idx);
+
+	wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d",
+		   __func__, alg, ether_sprintf(addr), key_idx);
+
+	if (alg == WPA_ALG_WEP)
+		cipher = IEEE80211_CIPHER_WEP;
+	else if (alg == WPA_ALG_TKIP)
+		cipher = IEEE80211_CIPHER_TKIP;
+	else if (alg == WPA_ALG_CCMP)
+		cipher = IEEE80211_CIPHER_AES_CCM;
+	else {
+		printf("%s: unknown/unsupported algorithm %d\n",
+			__func__, alg);
+		return -1;
+	}
+
+	if (key_len > sizeof(wk.ik_keydata)) {
+		printf("%s: key length %lu too big\n", __func__,
+		       (unsigned long) key_len);
+		return -3;
+	}
+
+	memset(&wk, 0, sizeof(wk));
+	wk.ik_type = cipher;
+	wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
+	if (addr == NULL || is_broadcast_ether_addr(addr)) {
+		memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
+		wk.ik_keyix = key_idx;
+		wk.ik_flags |= IEEE80211_KEY_DEFAULT;
+	} else {
+		memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
+		wk.ik_keyix = IEEE80211_KEYIX_NONE;
+	}
+	wk.ik_keylen = key_len;
+	memcpy(wk.ik_keydata, key, key_len);
+
+	ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk));
+	if (ret < 0) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to set key (addr %s"
+			   " key_idx %d alg %d key_len %lu set_tx %d)",
+			   __func__, ether_sprintf(wk.ik_macaddr), key_idx,
+			   alg, (unsigned long) key_len, set_tx);
+	}
+
+	return ret;
+}
+
+
+static int
+madwifi_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
+		   u8 *seq)
+{
+	struct madwifi_driver_data *drv = priv;
+	struct ieee80211req_key wk;
+
+	wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
+		   __func__, ether_sprintf(addr), idx);
+
+	memset(&wk, 0, sizeof(wk));
+	if (addr == NULL)
+		memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
+	else
+		memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
+	wk.ik_keyix = idx;
+
+	if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to get encryption data "
+			   "(addr " MACSTR " key_idx %d)",
+			   __func__, MAC2STR(wk.ik_macaddr), idx);
+		return -1;
+	}
+
+#ifdef WORDS_BIGENDIAN
+	{
+		/*
+		 * wk.ik_keytsc is in host byte order (big endian), need to
+		 * swap it to match with the byte order used in WPA.
+		 */
+		int i;
+		u8 tmp[WPA_KEY_RSC_LEN];
+		memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
+		for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
+			seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
+		}
+	}
+#else /* WORDS_BIGENDIAN */
+	memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
+#endif /* WORDS_BIGENDIAN */
+	return 0;
+}
+
+
+static int 
+madwifi_flush(void *priv)
+{
+#ifdef MADWIFI_BSD
+	u8 allsta[IEEE80211_ADDR_LEN];
+	memset(allsta, 0xff, IEEE80211_ADDR_LEN);
+	return madwifi_sta_deauth(priv, NULL, allsta,
+				  IEEE80211_REASON_AUTH_LEAVE);
+#else /* MADWIFI_BSD */
+	return 0;		/* XXX */
+#endif /* MADWIFI_BSD */
+}
+
+
+static int
+madwifi_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
+			     const u8 *addr)
+{
+	struct madwifi_driver_data *drv = priv;
+
+#ifdef MADWIFI_BSD
+	struct ieee80211req_sta_stats stats;
+
+	memset(data, 0, sizeof(*data));
+
+	/*
+	 * Fetch statistics for station from the system.
+	 */
+	memset(&stats, 0, sizeof(stats));
+	memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
+	if (set80211priv(drv,
+#ifdef MADWIFI_NG
+			 IEEE80211_IOCTL_STA_STATS,
+#else /* MADWIFI_NG */
+			 IEEE80211_IOCTL_GETSTASTATS,
+#endif /* MADWIFI_NG */
+			 &stats, sizeof(stats))) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr "
+			   MACSTR ")", __func__, MAC2STR(addr));
+		if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
+			memcpy(data, &drv->acct_data, sizeof(*data));
+			return 0;
+		}
+
+		printf("Failed to get station stats information element.\n");
+		return -1;
+	}
+
+	data->rx_packets = stats.is_stats.ns_rx_data;
+	data->rx_bytes = stats.is_stats.ns_rx_bytes;
+	data->tx_packets = stats.is_stats.ns_tx_data;
+	data->tx_bytes = stats.is_stats.ns_tx_bytes;
+	return 0;
+
+#else /* MADWIFI_BSD */
+
+	char buf[1024], line[128], *pos;
+	FILE *f;
+	unsigned long val;
+
+	memset(data, 0, sizeof(*data));
+	snprintf(buf, sizeof(buf), "/proc/net/madwifi/%s/" MACSTR,
+		 drv->iface, MAC2STR(addr));
+
+	f = fopen(buf, "r");
+	if (!f) {
+		if (memcmp(addr, drv->acct_mac, ETH_ALEN) != 0)
+			return -1;
+		memcpy(data, &drv->acct_data, sizeof(*data));
+		return 0;
+	}
+	/* Need to read proc file with in one piece, so use large enough
+	 * buffer. */
+	setbuffer(f, buf, sizeof(buf));
+
+	while (fgets(line, sizeof(line), f)) {
+		pos = strchr(line, '=');
+		if (!pos)
+			continue;
+		*pos++ = '\0';
+		val = strtoul(pos, NULL, 10);
+		if (strcmp(line, "rx_packets") == 0)
+			data->rx_packets = val;
+		else if (strcmp(line, "tx_packets") == 0)
+			data->tx_packets = val;
+		else if (strcmp(line, "rx_bytes") == 0)
+			data->rx_bytes = val;
+		else if (strcmp(line, "tx_bytes") == 0)
+			data->tx_bytes = val;
+	}
+
+	fclose(f);
+
+	return 0;
+#endif /* MADWIFI_BSD */
+}
+
+
+static int
+madwifi_sta_clear_stats(void *priv, const u8 *addr)
+{
+#if defined(MADWIFI_BSD) && defined(IEEE80211_MLME_CLEAR_STATS)
+	struct madwifi_driver_data *drv = priv;
+	struct ieee80211req_mlme mlme;
+	int ret;
+
+	wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr));
+
+	mlme.im_op = IEEE80211_MLME_CLEAR_STATS;
+	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
+			   sizeof(mlme));
+	if (ret < 0) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to clear STA stats (addr "
+			   MACSTR ")", __func__, MAC2STR(addr));
+	}
+
+	return ret;
+#else /* MADWIFI_BSD && IEEE80211_MLME_CLEAR_STATS */
+	return 0; /* FIX */
+#endif /* MADWIFI_BSD && IEEE80211_MLME_CLEAR_STATS */
+}
+
+
+static int
+madwifi_set_opt_ie(void *priv, const u8 *ie, size_t ie_len)
+{
+	/*
+	 * Do nothing; we setup parameters at startup that define the
+	 * contents of the beacon information element.
+	 */
+	return 0;
+}
+
+static int
+madwifi_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
+		   int reason_code)
+{
+	struct madwifi_driver_data *drv = priv;
+	struct ieee80211req_mlme mlme;
+	int ret;
+
+	wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
+		   __func__, ether_sprintf(addr), reason_code);
+
+	mlme.im_op = IEEE80211_MLME_DEAUTH;
+	mlme.im_reason = reason_code;
+	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
+	if (ret < 0) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR
+			   " reason %d)",
+			   __func__, MAC2STR(addr), reason_code);
+	}
+
+	return ret;
+}
+
+static int
+madwifi_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
+		     int reason_code)
+{
+	struct madwifi_driver_data *drv = priv;
+	struct ieee80211req_mlme mlme;
+	int ret;
+
+	wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
+		   __func__, ether_sprintf(addr), reason_code);
+
+	mlme.im_op = IEEE80211_MLME_DISASSOC;
+	mlme.im_reason = reason_code;
+	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
+	if (ret < 0) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr "
+			   MACSTR " reason %d)",
+			   __func__, MAC2STR(addr), reason_code);
+	}
+
+	return ret;
+}
+
+#ifdef CONFIG_WPS
+#ifdef IEEE80211_IOCTL_FILTERFRAME
+static void madwifi_raw_receive(void *ctx, const u8 *src_addr, const u8 *buf,
+				size_t len)
+{
+	struct madwifi_driver_data *drv = ctx;
+	const struct ieee80211_mgmt *mgmt;
+	u16 fc;
+	union wpa_event_data event;
+
+	/* Send Probe Request information to WPS processing */
+
+	if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req))
+		return;
+	mgmt = (const struct ieee80211_mgmt *) buf;
+
+	fc = le_to_host16(mgmt->frame_control);
+	if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
+	    WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_PROBE_REQ)
+		return;
+
+	os_memset(&event, 0, sizeof(event));
+	event.rx_probe_req.sa = mgmt->sa;
+	event.rx_probe_req.ie = mgmt->u.probe_req.variable;
+	event.rx_probe_req.ie_len =
+		len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req));
+	wpa_supplicant_event(drv->hapd, EVENT_RX_PROBE_REQ, &event);
+}
+#endif /* IEEE80211_IOCTL_FILTERFRAME */
+#endif /* CONFIG_WPS */
+
+static int madwifi_receive_probe_req(struct madwifi_driver_data *drv)
+{
+	int ret = 0;
+#ifdef CONFIG_WPS
+#ifdef IEEE80211_IOCTL_FILTERFRAME
+	struct ieee80211req_set_filter filt;
+
+	wpa_printf(MSG_DEBUG, "%s Enter", __func__);
+	filt.app_filterype = IEEE80211_FILTER_TYPE_PROBE_REQ;
+
+	ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
+			   sizeof(struct ieee80211req_set_filter));
+	if (ret)
+		return ret;
+
+	drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW,
+				       madwifi_raw_receive, drv, 1);
+	if (drv->sock_raw == NULL)
+		return -1;
+#endif /* IEEE80211_IOCTL_FILTERFRAME */
+#endif /* CONFIG_WPS */
+	return ret;
+}
+
+#ifdef CONFIG_WPS
+static int
+madwifi_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype)
+{
+	struct madwifi_driver_data *drv = priv;
+	u8 buf[256];
+	struct ieee80211req_getset_appiebuf *beac_ie;
+
+	wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__,
+		   (unsigned long) len);
+
+	beac_ie = (struct ieee80211req_getset_appiebuf *) buf;
+	beac_ie->app_frmtype = frametype;
+	beac_ie->app_buflen = len;
+	memcpy(&(beac_ie->app_buf[0]), ie, len);
+
+	return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie,
+			    sizeof(struct ieee80211req_getset_appiebuf) + len);
+}
+
+static int
+madwifi_set_ap_wps_ie(void *priv, const struct wpabuf *beacon,
+		      const struct wpabuf *proberesp,
+		      const struct wpabuf *assocresp)
+{
+	if (madwifi_set_wps_ie(priv, beacon ? wpabuf_head(beacon) : NULL,
+			       beacon ? wpabuf_len(beacon) : 0,
+			       IEEE80211_APPIE_FRAME_BEACON) < 0)
+		return -1;
+	return madwifi_set_wps_ie(priv,
+				  proberesp ? wpabuf_head(proberesp) : NULL,
+				  proberesp ? wpabuf_len(proberesp) : 0,
+				  IEEE80211_APPIE_FRAME_PROBE_RESP);
+}
+#else /* CONFIG_WPS */
+#define madwifi_set_ap_wps_ie NULL
+#endif /* CONFIG_WPS */
+
+static void
+madwifi_new_sta(struct madwifi_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
+{
+	struct hostapd_data *hapd = drv->hapd;
+	struct ieee80211req_wpaie ie;
+	int ielen = 0;
+	u8 *iebuf = NULL;
+
+	/*
+	 * Fetch negotiated WPA/RSN parameters from the system.
+	 */
+	memset(&ie, 0, sizeof(ie));
+	memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
+	if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE",
+			   __func__);
+		goto no_ie;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "madwifi req WPA IE",
+		    ie.wpa_ie, IEEE80211_MAX_OPT_IE);
+	iebuf = ie.wpa_ie;
+	/* madwifi seems to return some random data if WPA/RSN IE is not set.
+	 * Assume the IE was not included if the IE type is unknown. */
+	if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC)
+		iebuf[1] = 0;
+#ifdef MADWIFI_NG
+	wpa_hexdump(MSG_MSGDUMP, "madwifi req RSN IE",
+		    ie.rsn_ie, IEEE80211_MAX_OPT_IE);
+	if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) {
+		/* madwifi-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not
+		 * set. This is needed for WPA2. */
+		iebuf = ie.rsn_ie;
+		if (iebuf[0] != WLAN_EID_RSN)
+			iebuf[1] = 0;
+	}
+#endif /* MADWIFI_NG */
+
+	ielen = iebuf[1];
+	if (ielen == 0)
+		iebuf = NULL;
+	else
+		ielen += 2;
+
+no_ie:
+	drv_event_assoc(hapd, addr, iebuf, ielen, 0);
+
+	if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
+		/* Cached accounting data is not valid anymore. */
+		memset(drv->acct_mac, 0, ETH_ALEN);
+		memset(&drv->acct_data, 0, sizeof(drv->acct_data));
+	}
+}
+
+static void
+madwifi_wireless_event_wireless_custom(struct madwifi_driver_data *drv,
+				       char *custom)
+{
+	wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
+
+	if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
+		char *pos;
+		u8 addr[ETH_ALEN];
+		pos = strstr(custom, "addr=");
+		if (pos == NULL) {
+			wpa_printf(MSG_DEBUG,
+				   "MLME-MICHAELMICFAILURE.indication "
+				   "without sender address ignored");
+			return;
+		}
+		pos += 5;
+		if (hwaddr_aton(pos, addr) == 0) {
+			union wpa_event_data data;
+			os_memset(&data, 0, sizeof(data));
+			data.michael_mic_failure.unicast = 1;
+			data.michael_mic_failure.src = addr;
+			wpa_supplicant_event(drv->hapd,
+					     EVENT_MICHAEL_MIC_FAILURE, &data);
+		} else {
+			wpa_printf(MSG_DEBUG,
+				   "MLME-MICHAELMICFAILURE.indication "
+				   "with invalid MAC address");
+		}
+	} else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) {
+		char *key, *value;
+		u32 val;
+		key = custom;
+		while ((key = strchr(key, '\n')) != NULL) {
+			key++;
+			value = strchr(key, '=');
+			if (value == NULL)
+				continue;
+			*value++ = '\0';
+			val = strtoul(value, NULL, 10);
+			if (strcmp(key, "mac") == 0)
+				hwaddr_aton(value, drv->acct_mac);
+			else if (strcmp(key, "rx_packets") == 0)
+				drv->acct_data.rx_packets = val;
+			else if (strcmp(key, "tx_packets") == 0)
+				drv->acct_data.tx_packets = val;
+			else if (strcmp(key, "rx_bytes") == 0)
+				drv->acct_data.rx_bytes = val;
+			else if (strcmp(key, "tx_bytes") == 0)
+				drv->acct_data.tx_bytes = val;
+			key = value;
+		}
+	}
+}
+
+static void
+madwifi_wireless_event_wireless(struct madwifi_driver_data *drv,
+					    char *data, int len)
+{
+	struct iw_event iwe_buf, *iwe = &iwe_buf;
+	char *pos, *end, *custom, *buf;
+
+	pos = data;
+	end = data + len;
+
+	while (pos + IW_EV_LCP_LEN <= end) {
+		/* Event data may be unaligned, so make a local, aligned copy
+		 * before processing. */
+		memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
+		wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d",
+			   iwe->cmd, iwe->len);
+		if (iwe->len <= IW_EV_LCP_LEN)
+			return;
+
+		custom = pos + IW_EV_POINT_LEN;
+		if (drv->we_version > 18 &&
+		    (iwe->cmd == IWEVMICHAELMICFAILURE ||
+		     iwe->cmd == IWEVCUSTOM)) {
+			/* WE-19 removed the pointer from struct iw_point */
+			char *dpos = (char *) &iwe_buf.u.data.length;
+			int dlen = dpos - (char *) &iwe_buf;
+			memcpy(dpos, pos + IW_EV_LCP_LEN,
+			       sizeof(struct iw_event) - dlen);
+		} else {
+			memcpy(&iwe_buf, pos, sizeof(struct iw_event));
+			custom += IW_EV_POINT_OFF;
+		}
+
+		switch (iwe->cmd) {
+		case IWEVEXPIRED:
+			drv_event_disassoc(drv->hapd,
+					   (u8 *) iwe->u.addr.sa_data);
+			break;
+		case IWEVREGISTERED:
+			madwifi_new_sta(drv, (u8 *) iwe->u.addr.sa_data);
+			break;
+		case IWEVCUSTOM:
+			if (custom + iwe->u.data.length > end)
+				return;
+			buf = malloc(iwe->u.data.length + 1);
+			if (buf == NULL)
+				return;		/* XXX */
+			memcpy(buf, custom, iwe->u.data.length);
+			buf[iwe->u.data.length] = '\0';
+			madwifi_wireless_event_wireless_custom(drv, buf);
+			free(buf);
+			break;
+		}
+
+		pos += iwe->len;
+	}
+}
+
+
+static void
+madwifi_wireless_event_rtm_newlink(void *ctx, struct ifinfomsg *ifi,
+				   u8 *buf, size_t len)
+{
+	struct madwifi_driver_data *drv = ctx;
+	int attrlen, rta_len;
+	struct rtattr *attr;
+
+	if (ifi->ifi_index != drv->ifindex)
+		return;
+
+	attrlen = len;
+	attr = (struct rtattr *) buf;
+
+	rta_len = RTA_ALIGN(sizeof(struct rtattr));
+	while (RTA_OK(attr, attrlen)) {
+		if (attr->rta_type == IFLA_WIRELESS) {
+			madwifi_wireless_event_wireless(
+				drv, ((char *) attr) + rta_len,
+				attr->rta_len - rta_len);
+		}
+		attr = RTA_NEXT(attr, attrlen);
+	}
+}
+
+
+static int
+madwifi_get_we_version(struct madwifi_driver_data *drv)
+{
+	struct iw_range *range;
+	struct iwreq iwr;
+	int minlen;
+	size_t buflen;
+
+	drv->we_version = 0;
+
+	/*
+	 * Use larger buffer than struct iw_range in order to allow the
+	 * structure to grow in the future.
+	 */
+	buflen = sizeof(struct iw_range) + 500;
+	range = os_zalloc(buflen);
+	if (range == NULL)
+		return -1;
+
+	memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+	iwr.u.data.pointer = (caddr_t) range;
+	iwr.u.data.length = buflen;
+
+	minlen = ((char *) &range->enc_capa) - (char *) range +
+		sizeof(range->enc_capa);
+
+	if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
+		perror("ioctl[SIOCGIWRANGE]");
+		free(range);
+		return -1;
+	} else if (iwr.u.data.length >= minlen &&
+		   range->we_version_compiled >= 18) {
+		wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
+			   "WE(source)=%d enc_capa=0x%x",
+			   range->we_version_compiled,
+			   range->we_version_source,
+			   range->enc_capa);
+		drv->we_version = range->we_version_compiled;
+	}
+
+	free(range);
+	return 0;
+}
+
+
+static int
+madwifi_wireless_event_init(struct madwifi_driver_data *drv)
+{
+	struct netlink_config *cfg;
+
+	madwifi_get_we_version(drv);
+
+	cfg = os_zalloc(sizeof(*cfg));
+	if (cfg == NULL)
+		return -1;
+	cfg->ctx = drv;
+	cfg->newlink_cb = madwifi_wireless_event_rtm_newlink;
+	drv->netlink = netlink_init(cfg);
+	if (drv->netlink == NULL) {
+		os_free(cfg);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int
+madwifi_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
+		   int encrypt, const u8 *own_addr, u32 flags)
+{
+	struct madwifi_driver_data *drv = priv;
+	unsigned char buf[3000];
+	unsigned char *bp = buf;
+	struct l2_ethhdr *eth;
+	size_t len;
+	int status;
+
+	/*
+	 * Prepend the Ethernet header.  If the caller left us
+	 * space at the front we could just insert it but since
+	 * we don't know we copy to a local buffer.  Given the frequency
+	 * and size of frames this probably doesn't matter.
+	 */
+	len = data_len + sizeof(struct l2_ethhdr);
+	if (len > sizeof(buf)) {
+		bp = malloc(len);
+		if (bp == NULL) {
+			printf("EAPOL frame discarded, cannot malloc temp "
+			       "buffer of size %lu!\n", (unsigned long) len);
+			return -1;
+		}
+	}
+	eth = (struct l2_ethhdr *) bp;
+	memcpy(eth->h_dest, addr, ETH_ALEN);
+	memcpy(eth->h_source, own_addr, ETH_ALEN);
+	eth->h_proto = host_to_be16(ETH_P_EAPOL);
+	memcpy(eth+1, data, data_len);
+
+	wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
+
+	status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
+
+	if (bp != buf)
+		free(bp);
+	return status;
+}
+
+static void
+handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
+{
+	struct madwifi_driver_data *drv = ctx;
+	drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr),
+			   len - sizeof(struct l2_ethhdr));
+}
+
+static void *
+madwifi_init(struct hostapd_data *hapd, struct wpa_init_params *params)
+{
+	struct madwifi_driver_data *drv;
+	struct ifreq ifr;
+	struct iwreq iwr;
+	char brname[IFNAMSIZ];
+
+	drv = os_zalloc(sizeof(struct madwifi_driver_data));
+	if (drv == NULL) {
+		printf("Could not allocate memory for madwifi driver data\n");
+		return NULL;
+	}
+
+	drv->hapd = hapd;
+	drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
+	if (drv->ioctl_sock < 0) {
+		perror("socket[PF_INET,SOCK_DGRAM]");
+		goto bad;
+	}
+	memcpy(drv->iface, params->ifname, sizeof(drv->iface));
+
+	memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
+	if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) {
+		perror("ioctl(SIOCGIFINDEX)");
+		goto bad;
+	}
+	drv->ifindex = ifr.ifr_ifindex;
+
+	drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
+					handle_read, drv, 1);
+	if (drv->sock_xmit == NULL)
+		goto bad;
+	if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
+		goto bad;
+	if (params->bridge[0]) {
+		wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.",
+			   params->bridge[0]);
+		drv->sock_recv = l2_packet_init(params->bridge[0], NULL,
+						ETH_P_EAPOL, handle_read, drv,
+						1);
+		if (drv->sock_recv == NULL)
+			goto bad;
+	} else if (linux_br_get(brname, drv->iface) == 0) {
+		wpa_printf(MSG_DEBUG, "Interface in bridge %s; configure for "
+			   "EAPOL receive", brname);
+		drv->sock_recv = l2_packet_init(brname, NULL, ETH_P_EAPOL,
+						handle_read, drv, 1);
+		if (drv->sock_recv == NULL)
+			goto bad;
+	} else
+		drv->sock_recv = drv->sock_xmit;
+
+	memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+
+	iwr.u.mode = IW_MODE_MASTER;
+
+	if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) {
+		perror("ioctl[SIOCSIWMODE]");
+		printf("Could not set interface to master mode!\n");
+		goto bad;
+	}
+
+	/* mark down during setup */
+	linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
+	madwifi_set_privacy(drv, 0); /* default to no privacy */
+
+	madwifi_receive_probe_req(drv);
+
+	if (madwifi_wireless_event_init(drv))
+		goto bad;
+
+	return drv;
+bad:
+	if (drv->sock_xmit != NULL)
+		l2_packet_deinit(drv->sock_xmit);
+	if (drv->ioctl_sock >= 0)
+		close(drv->ioctl_sock);
+	if (drv != NULL)
+		free(drv);
+	return NULL;
+}
+
+
+static void
+madwifi_deinit(void *priv)
+{
+	struct madwifi_driver_data *drv = priv;
+
+	netlink_deinit(drv->netlink);
+	(void) linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
+	if (drv->ioctl_sock >= 0)
+		close(drv->ioctl_sock);
+	if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
+		l2_packet_deinit(drv->sock_recv);
+	if (drv->sock_xmit != NULL)
+		l2_packet_deinit(drv->sock_xmit);
+	if (drv->sock_raw)
+		l2_packet_deinit(drv->sock_raw);
+	free(drv);
+}
+
+static int
+madwifi_set_ssid(void *priv, const u8 *buf, int len)
+{
+	struct madwifi_driver_data *drv = priv;
+	struct iwreq iwr;
+
+	memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+	iwr.u.essid.flags = 1; /* SSID active */
+	iwr.u.essid.pointer = (caddr_t) buf;
+	iwr.u.essid.length = len + 1;
+
+	if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
+		perror("ioctl[SIOCSIWESSID]");
+		printf("len=%d\n", len);
+		return -1;
+	}
+	return 0;
+}
+
+static int
+madwifi_get_ssid(void *priv, u8 *buf, int len)
+{
+	struct madwifi_driver_data *drv = priv;
+	struct iwreq iwr;
+	int ret = 0;
+
+	memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+	iwr.u.essid.pointer = (caddr_t) buf;
+	iwr.u.essid.length = len;
+
+	if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
+		perror("ioctl[SIOCGIWESSID]");
+		ret = -1;
+	} else
+		ret = iwr.u.essid.length;
+
+	return ret;
+}
+
+static int
+madwifi_set_countermeasures(void *priv, int enabled)
+{
+	struct madwifi_driver_data *drv = priv;
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
+	return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled);
+}
+
+static int
+madwifi_commit(void *priv)
+{
+	struct madwifi_driver_data *drv = priv;
+	return linux_set_iface_flags(drv->ioctl_sock, drv->iface, 1);
+}
+
+#else /* HOSTAPD */
+
+struct wpa_driver_madwifi_data {
+	void *wext; /* private data for driver_wext */
+	void *ctx;
+	char ifname[IFNAMSIZ + 1];
+	int sock;
+};
+
+static int wpa_driver_madwifi_set_auth_alg(void *priv, int auth_alg);
+static int wpa_driver_madwifi_set_probe_req_ie(void *priv, const u8 *ies,
+					       size_t ies_len);
+
+
+static int
+set80211priv(struct wpa_driver_madwifi_data *drv, int op, void *data, int len,
+	     int show_err)
+{
+	struct iwreq iwr;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	if (len < IFNAMSIZ &&
+	    op != IEEE80211_IOCTL_SET_APPIEBUF) {
+		/*
+		 * Argument data fits inline; put it there.
+		 */
+		os_memcpy(iwr.u.name, data, len);
+	} else {
+		/*
+		 * Argument data too big for inline transfer; setup a
+		 * parameter block instead; the kernel will transfer
+		 * the data for the driver.
+		 */
+		iwr.u.data.pointer = data;
+		iwr.u.data.length = len;
+	}
+
+	if (ioctl(drv->sock, op, &iwr) < 0) {
+		if (show_err) {
+#ifdef MADWIFI_NG
+			int first = IEEE80211_IOCTL_SETPARAM;
+			int last = IEEE80211_IOCTL_KICKMAC;
+			static const char *opnames[] = {
+				"ioctl[IEEE80211_IOCTL_SETPARAM]",
+				"ioctl[IEEE80211_IOCTL_GETPARAM]",
+				"ioctl[IEEE80211_IOCTL_SETMODE]",
+				"ioctl[IEEE80211_IOCTL_GETMODE]",
+				"ioctl[IEEE80211_IOCTL_SETWMMPARAMS]",
+				"ioctl[IEEE80211_IOCTL_GETWMMPARAMS]",
+				"ioctl[IEEE80211_IOCTL_SETCHANLIST]",
+				"ioctl[IEEE80211_IOCTL_GETCHANLIST]",
+				"ioctl[IEEE80211_IOCTL_CHANSWITCH]",
+				NULL,
+				"ioctl[IEEE80211_IOCTL_SET_APPIEBUF]",
+				"ioctl[IEEE80211_IOCTL_GETSCANRESULTS]",
+				NULL,
+				"ioctl[IEEE80211_IOCTL_GETCHANINFO]",
+				"ioctl[IEEE80211_IOCTL_SETOPTIE]",
+				"ioctl[IEEE80211_IOCTL_GETOPTIE]",
+				"ioctl[IEEE80211_IOCTL_SETMLME]",
+				NULL,
+				"ioctl[IEEE80211_IOCTL_SETKEY]",
+				NULL,
+				"ioctl[IEEE80211_IOCTL_DELKEY]",
+				NULL,
+				"ioctl[IEEE80211_IOCTL_ADDMAC]",
+				NULL,
+				"ioctl[IEEE80211_IOCTL_DELMAC]",
+				NULL,
+				"ioctl[IEEE80211_IOCTL_WDSMAC]",
+				NULL,
+				"ioctl[IEEE80211_IOCTL_WDSDELMAC]",
+				NULL,
+				"ioctl[IEEE80211_IOCTL_KICKMAC]",
+			};
+#else /* MADWIFI_NG */
+			int first = IEEE80211_IOCTL_SETPARAM;
+			int last = IEEE80211_IOCTL_CHANLIST;
+			static const char *opnames[] = {
+				"ioctl[IEEE80211_IOCTL_SETPARAM]",
+				"ioctl[IEEE80211_IOCTL_GETPARAM]",
+				"ioctl[IEEE80211_IOCTL_SETKEY]",
+				"ioctl[IEEE80211_IOCTL_GETKEY]",
+				"ioctl[IEEE80211_IOCTL_DELKEY]",
+				NULL,
+				"ioctl[IEEE80211_IOCTL_SETMLME]",
+				NULL,
+				"ioctl[IEEE80211_IOCTL_SETOPTIE]",
+				"ioctl[IEEE80211_IOCTL_GETOPTIE]",
+				"ioctl[IEEE80211_IOCTL_ADDMAC]",
+				NULL,
+				"ioctl[IEEE80211_IOCTL_DELMAC]",
+				NULL,
+				"ioctl[IEEE80211_IOCTL_CHANLIST]",
+			};
+#endif /* MADWIFI_NG */
+			int idx = op - first;
+			if (first <= op && op <= last &&
+			    idx < (int) (sizeof(opnames) / sizeof(opnames[0]))
+			    && opnames[idx])
+				perror(opnames[idx]);
+			else
+				perror("ioctl[unknown???]");
+		}
+		return -1;
+	}
+	return 0;
+}
+
+static int
+set80211param(struct wpa_driver_madwifi_data *drv, int op, int arg,
+	      int show_err)
+{
+	struct iwreq iwr;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	iwr.u.mode = op;
+	os_memcpy(iwr.u.name+sizeof(u32), &arg, sizeof(arg));
+
+	if (ioctl(drv->sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
+		if (show_err) 
+			perror("ioctl[IEEE80211_IOCTL_SETPARAM]");
+		return -1;
+	}
+	return 0;
+}
+
+static int
+wpa_driver_madwifi_set_wpa_ie(struct wpa_driver_madwifi_data *drv,
+			      const u8 *wpa_ie, size_t wpa_ie_len)
+{
+	struct iwreq iwr;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	/* NB: SETOPTIE is not fixed-size so must not be inlined */
+	iwr.u.data.pointer = (void *) wpa_ie;
+	iwr.u.data.length = wpa_ie_len;
+
+	if (ioctl(drv->sock, IEEE80211_IOCTL_SETOPTIE, &iwr) < 0) {
+		perror("ioctl[IEEE80211_IOCTL_SETOPTIE]");
+		return -1;
+	}
+	return 0;
+}
+
+static int
+wpa_driver_madwifi_del_key(struct wpa_driver_madwifi_data *drv, int key_idx,
+			   const u8 *addr)
+{
+	struct ieee80211req_del_key wk;
+
+	wpa_printf(MSG_DEBUG, "%s: keyidx=%d", __FUNCTION__, key_idx);
+	os_memset(&wk, 0, sizeof(wk));
+	wk.idk_keyix = key_idx;
+	if (addr != NULL)
+		os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
+
+	return set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk), 1);
+}
+
+static int
+wpa_driver_madwifi_set_key(const char *ifname, void *priv, enum wpa_alg alg,
+			   const u8 *addr, int key_idx, int set_tx,
+			   const u8 *seq, size_t seq_len,
+			   const u8 *key, size_t key_len)
+{
+	struct wpa_driver_madwifi_data *drv = priv;
+	struct ieee80211req_key wk;
+	char *alg_name;
+	u_int8_t cipher;
+
+	if (alg == WPA_ALG_NONE)
+		return wpa_driver_madwifi_del_key(drv, key_idx, addr);
+
+	switch (alg) {
+	case WPA_ALG_WEP:
+		if (addr == NULL || os_memcmp(addr, "\xff\xff\xff\xff\xff\xff",
+					      ETH_ALEN) == 0) {
+			/*
+			 * madwifi did not seem to like static WEP key
+			 * configuration with IEEE80211_IOCTL_SETKEY, so use
+			 * Linux wireless extensions ioctl for this.
+			 */
+			return wpa_driver_wext_set_key(ifname, drv->wext, alg,
+						       addr, key_idx, set_tx,
+						       seq, seq_len,
+						       key, key_len);
+		}
+		alg_name = "WEP";
+		cipher = IEEE80211_CIPHER_WEP;
+		break;
+	case WPA_ALG_TKIP:
+		alg_name = "TKIP";
+		cipher = IEEE80211_CIPHER_TKIP;
+		break;
+	case WPA_ALG_CCMP:
+		alg_name = "CCMP";
+		cipher = IEEE80211_CIPHER_AES_CCM;
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "%s: unknown/unsupported algorithm %d",
+			__FUNCTION__, alg);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "%s: alg=%s key_idx=%d set_tx=%d seq_len=%lu "
+		   "key_len=%lu", __FUNCTION__, alg_name, key_idx, set_tx,
+		   (unsigned long) seq_len, (unsigned long) key_len);
+
+	if (seq_len > sizeof(u_int64_t)) {
+		wpa_printf(MSG_DEBUG, "%s: seq_len %lu too big",
+			   __FUNCTION__, (unsigned long) seq_len);
+		return -2;
+	}
+	if (key_len > sizeof(wk.ik_keydata)) {
+		wpa_printf(MSG_DEBUG, "%s: key length %lu too big",
+			   __FUNCTION__, (unsigned long) key_len);
+		return -3;
+	}
+
+	os_memset(&wk, 0, sizeof(wk));
+	wk.ik_type = cipher;
+	wk.ik_flags = IEEE80211_KEY_RECV;
+	if (addr == NULL ||
+	    os_memcmp(addr, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0)
+		wk.ik_flags |= IEEE80211_KEY_GROUP;
+	if (set_tx) {
+		wk.ik_flags |= IEEE80211_KEY_XMIT | IEEE80211_KEY_DEFAULT;
+		os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
+	} else
+		os_memset(wk.ik_macaddr, 0, IEEE80211_ADDR_LEN);
+	wk.ik_keyix = key_idx;
+	wk.ik_keylen = key_len;
+#ifdef WORDS_BIGENDIAN
+	if (seq) {
+		size_t i;
+		u8 tmp[WPA_KEY_RSC_LEN];
+		os_memset(tmp, 0, sizeof(tmp));
+		for (i = 0; i < seq_len; i++)
+			tmp[WPA_KEY_RSC_LEN - i - 1] = seq[i];
+		os_memcpy(&wk.ik_keyrsc, tmp, WPA_KEY_RSC_LEN);
+	}
+#else /* WORDS_BIGENDIAN */
+	if (seq)
+		os_memcpy(&wk.ik_keyrsc, seq, seq_len);
+#endif /* WORDS_BIGENDIAN */
+	os_memcpy(wk.ik_keydata, key, key_len);
+
+	return set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk), 1);
+}
+
+static int
+wpa_driver_madwifi_set_countermeasures(void *priv, int enabled)
+{
+	struct wpa_driver_madwifi_data *drv = priv;
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
+	return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled, 1);
+}
+
+static int
+wpa_driver_madwifi_deauthenticate(void *priv, const u8 *addr, int reason_code)
+{
+	struct wpa_driver_madwifi_data *drv = priv;
+	struct ieee80211req_mlme mlme;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+	mlme.im_op = IEEE80211_MLME_DEAUTH;
+	mlme.im_reason = reason_code;
+	os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+	return set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme), 1);
+}
+
+static int
+wpa_driver_madwifi_disassociate(void *priv, const u8 *addr, int reason_code)
+{
+	struct wpa_driver_madwifi_data *drv = priv;
+	struct ieee80211req_mlme mlme;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+	mlme.im_op = IEEE80211_MLME_DISASSOC;
+	mlme.im_reason = reason_code;
+	os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+	return set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme), 1);
+}
+
+static int
+wpa_driver_madwifi_associate(void *priv,
+			     struct wpa_driver_associate_params *params)
+{
+	struct wpa_driver_madwifi_data *drv = priv;
+	struct ieee80211req_mlme mlme;
+	int ret = 0, privacy = 1;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	if (set80211param(drv, IEEE80211_PARAM_DROPUNENCRYPTED,
+			  params->drop_unencrypted, 1) < 0)
+		ret = -1;
+	if (wpa_driver_madwifi_set_auth_alg(drv, params->auth_alg) < 0)
+		ret = -1;
+
+	/*
+	 * NB: Don't need to set the freq or cipher-related state as
+	 *     this is implied by the bssid which is used to locate
+	 *     the scanned node state which holds it.  The ssid is
+	 *     needed to disambiguate an AP that broadcasts multiple
+	 *     ssid's but uses the same bssid.
+	 */
+	/* XXX error handling is wrong but unclear what to do... */
+	if (wpa_driver_madwifi_set_wpa_ie(drv, params->wpa_ie,
+					  params->wpa_ie_len) < 0)
+		ret = -1;
+
+	if (params->pairwise_suite == CIPHER_NONE &&
+	    params->group_suite == CIPHER_NONE &&
+	    params->key_mgmt_suite == KEY_MGMT_NONE &&
+	    params->wpa_ie_len == 0)
+		privacy = 0;
+
+	if (set80211param(drv, IEEE80211_PARAM_PRIVACY, privacy, 1) < 0)
+		ret = -1;
+
+	if (params->wpa_ie_len &&
+	    set80211param(drv, IEEE80211_PARAM_WPA,
+			  params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1, 1) < 0)
+		ret = -1;
+
+	if (params->bssid == NULL) {
+		/* ap_scan=2 mode - driver takes care of AP selection and
+		 * roaming */
+		/* FIX: this does not seem to work; would probably need to
+		 * change something in the driver */
+		if (set80211param(drv, IEEE80211_PARAM_ROAMING, 0, 1) < 0)
+			ret = -1;
+
+		if (wpa_driver_wext_set_ssid(drv->wext, params->ssid,
+					     params->ssid_len) < 0)
+			ret = -1;
+	} else {
+		if (set80211param(drv, IEEE80211_PARAM_ROAMING, 2, 1) < 0)
+			ret = -1;
+		if (wpa_driver_wext_set_ssid(drv->wext, params->ssid,
+					     params->ssid_len) < 0)
+			ret = -1;
+		os_memset(&mlme, 0, sizeof(mlme));
+		mlme.im_op = IEEE80211_MLME_ASSOC;
+		os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
+		if (set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
+				 sizeof(mlme), 1) < 0) {
+			wpa_printf(MSG_DEBUG, "%s: SETMLME[ASSOC] failed",
+				   __func__);
+			ret = -1;
+		}
+	}
+
+	return ret;
+}
+
+static int
+wpa_driver_madwifi_set_auth_alg(void *priv, int auth_alg)
+{
+	struct wpa_driver_madwifi_data *drv = priv;
+	int authmode;
+
+	if ((auth_alg & WPA_AUTH_ALG_OPEN) &&
+	    (auth_alg & WPA_AUTH_ALG_SHARED))
+		authmode = IEEE80211_AUTH_AUTO;
+	else if (auth_alg & WPA_AUTH_ALG_SHARED)
+		authmode = IEEE80211_AUTH_SHARED;
+	else
+		authmode = IEEE80211_AUTH_OPEN;
+
+	return set80211param(drv, IEEE80211_PARAM_AUTHMODE, authmode, 1);
+}
+
+static int
+wpa_driver_madwifi_scan(void *priv, struct wpa_driver_scan_params *params)
+{
+	struct wpa_driver_madwifi_data *drv = priv;
+	struct iwreq iwr;
+	int ret = 0;
+	const u8 *ssid = params->ssids[0].ssid;
+	size_t ssid_len = params->ssids[0].ssid_len;
+
+	wpa_driver_madwifi_set_probe_req_ie(drv, params->extra_ies,
+					    params->extra_ies_len);
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+
+	/* set desired ssid before scan */
+	/* FIX: scan should not break the current association, so using
+	 * set_ssid may not be the best way of doing this.. */
+	if (wpa_driver_wext_set_ssid(drv->wext, ssid, ssid_len) < 0)
+		ret = -1;
+
+	if (ioctl(drv->sock, SIOCSIWSCAN, &iwr) < 0) {
+		perror("ioctl[SIOCSIWSCAN]");
+		ret = -1;
+	}
+
+	/*
+	 * madwifi delivers a scan complete event so no need to poll, but
+	 * register a backup timeout anyway to make sure that we recover even
+	 * if the driver does not send this event for any reason. This timeout
+	 * will only be used if the event is not delivered (event handler will
+	 * cancel the timeout).
+	 */
+	eloop_cancel_timeout(wpa_driver_wext_scan_timeout, drv->wext,
+			     drv->ctx);
+	eloop_register_timeout(30, 0, wpa_driver_wext_scan_timeout, drv->wext,
+			       drv->ctx);
+
+	return ret;
+}
+
+static int wpa_driver_madwifi_get_bssid(void *priv, u8 *bssid)
+{
+	struct wpa_driver_madwifi_data *drv = priv;
+	return wpa_driver_wext_get_bssid(drv->wext, bssid);
+}
+
+
+static int wpa_driver_madwifi_get_ssid(void *priv, u8 *ssid)
+{
+	struct wpa_driver_madwifi_data *drv = priv;
+	return wpa_driver_wext_get_ssid(drv->wext, ssid);
+}
+
+
+static struct wpa_scan_results *
+wpa_driver_madwifi_get_scan_results(void *priv)
+{
+	struct wpa_driver_madwifi_data *drv = priv;
+	return wpa_driver_wext_get_scan_results(drv->wext);
+}
+
+
+static int wpa_driver_madwifi_set_operstate(void *priv, int state)
+{
+	struct wpa_driver_madwifi_data *drv = priv;
+	return wpa_driver_wext_set_operstate(drv->wext, state);
+}
+
+
+static int wpa_driver_madwifi_set_probe_req_ie(void *priv, const u8 *ies,
+					       size_t ies_len)
+{
+	struct ieee80211req_getset_appiebuf *probe_req_ie;
+	int ret;
+
+	probe_req_ie = os_malloc(sizeof(*probe_req_ie) + ies_len);
+	if (probe_req_ie == NULL)
+		return -1;
+
+	probe_req_ie->app_frmtype = IEEE80211_APPIE_FRAME_PROBE_REQ;
+	probe_req_ie->app_buflen = ies_len;
+	os_memcpy(probe_req_ie->app_buf, ies, ies_len);
+
+	ret = set80211priv(priv, IEEE80211_IOCTL_SET_APPIEBUF, probe_req_ie,
+			   sizeof(struct ieee80211req_getset_appiebuf) +
+			   ies_len, 1);
+
+	os_free(probe_req_ie);
+
+	return ret;
+}
+
+
+static void * wpa_driver_madwifi_init(void *ctx, const char *ifname)
+{
+	struct wpa_driver_madwifi_data *drv;
+
+	drv = os_zalloc(sizeof(*drv));
+	if (drv == NULL)
+		return NULL;
+	drv->wext = wpa_driver_wext_init(ctx, ifname);
+	if (drv->wext == NULL)
+		goto fail;
+
+	drv->ctx = ctx;
+	os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
+	drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
+	if (drv->sock < 0)
+		goto fail2;
+
+	if (set80211param(drv, IEEE80211_PARAM_ROAMING, 2, 1) < 0) {
+		wpa_printf(MSG_DEBUG, "%s: failed to set wpa_supplicant-based "
+			   "roaming", __FUNCTION__);
+		goto fail3;
+	}
+
+	if (set80211param(drv, IEEE80211_PARAM_WPA, 3, 1) < 0) {
+		wpa_printf(MSG_DEBUG, "%s: failed to enable WPA support",
+			   __FUNCTION__);
+		goto fail3;
+	}
+
+	return drv;
+
+fail3:
+	close(drv->sock);
+fail2:
+	wpa_driver_wext_deinit(drv->wext);
+fail:
+	os_free(drv);
+	return NULL;
+}
+
+
+static void wpa_driver_madwifi_deinit(void *priv)
+{
+	struct wpa_driver_madwifi_data *drv = priv;
+
+	if (wpa_driver_madwifi_set_wpa_ie(drv, NULL, 0) < 0) {
+		wpa_printf(MSG_DEBUG, "%s: failed to clear WPA IE",
+			   __FUNCTION__);
+	}
+	if (set80211param(drv, IEEE80211_PARAM_ROAMING, 0, 1) < 0) {
+		wpa_printf(MSG_DEBUG, "%s: failed to enable driver-based "
+			   "roaming", __FUNCTION__);
+	}
+	if (set80211param(drv, IEEE80211_PARAM_PRIVACY, 0, 1) < 0) {
+		wpa_printf(MSG_DEBUG, "%s: failed to disable forced Privacy "
+			   "flag", __FUNCTION__);
+	}
+	if (set80211param(drv, IEEE80211_PARAM_WPA, 0, 1) < 0) {
+		wpa_printf(MSG_DEBUG, "%s: failed to disable WPA",
+			   __FUNCTION__);
+	}
+
+	wpa_driver_wext_deinit(drv->wext);
+
+	close(drv->sock);
+	os_free(drv);
+}
+
+#endif /* HOSTAPD */
+
+
+const struct wpa_driver_ops wpa_driver_madwifi_ops = {
+	.name			= "madwifi",
+	.desc			= "MADWIFI 802.11 support (Atheros, etc.)",
+	.set_key		= wpa_driver_madwifi_set_key,
+#ifdef HOSTAPD
+	.hapd_init		= madwifi_init,
+	.hapd_deinit		= madwifi_deinit,
+	.set_ieee8021x		= madwifi_set_ieee8021x,
+	.set_privacy		= madwifi_set_privacy,
+	.get_seqnum		= madwifi_get_seqnum,
+	.flush			= madwifi_flush,
+	.set_generic_elem	= madwifi_set_opt_ie,
+	.sta_set_flags		= madwifi_sta_set_flags,
+	.read_sta_data		= madwifi_read_sta_driver_data,
+	.hapd_send_eapol	= madwifi_send_eapol,
+	.sta_disassoc		= madwifi_sta_disassoc,
+	.sta_deauth		= madwifi_sta_deauth,
+	.hapd_set_ssid		= madwifi_set_ssid,
+	.hapd_get_ssid		= madwifi_get_ssid,
+	.hapd_set_countermeasures	= madwifi_set_countermeasures,
+	.sta_clear_stats        = madwifi_sta_clear_stats,
+	.commit			= madwifi_commit,
+	.set_ap_wps_ie		= madwifi_set_ap_wps_ie,
+#else /* HOSTAPD */
+	.get_bssid		= wpa_driver_madwifi_get_bssid,
+	.get_ssid		= wpa_driver_madwifi_get_ssid,
+	.init			= wpa_driver_madwifi_init,
+	.deinit			= wpa_driver_madwifi_deinit,
+	.set_countermeasures	= wpa_driver_madwifi_set_countermeasures,
+	.scan2			= wpa_driver_madwifi_scan,
+	.get_scan_results2	= wpa_driver_madwifi_get_scan_results,
+	.deauthenticate		= wpa_driver_madwifi_deauthenticate,
+	.disassociate		= wpa_driver_madwifi_disassociate,
+	.associate		= wpa_driver_madwifi_associate,
+	.set_operstate		= wpa_driver_madwifi_set_operstate,
+#endif /* HOSTAPD */
+};
diff --git a/src/drivers/driver_ndis.c b/src/drivers/driver_ndis.c
new file mode 100644
index 0000000..aeb7304
--- /dev/null
+++ b/src/drivers/driver_ndis.c
@@ -0,0 +1,3331 @@
+/*
+ * WPA Supplicant - Windows/NDIS driver interface
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifdef __CYGWIN__
+/* Avoid some header file conflicts by not including standard headers for
+ * cygwin builds when Packet32.h is included. */
+#include "build_config.h"
+int close(int fd);
+#else /* __CYGWIN__ */
+#include "includes.h"
+#endif /* __CYGWIN__ */
+#ifdef CONFIG_USE_NDISUIO
+#include <winsock2.h>
+#else /* CONFIG_USE_NDISUIO */
+#include <Packet32.h>
+#endif /* CONFIG_USE_NDISUIO */
+#ifdef __MINGW32_VERSION
+#include <ddk/ntddndis.h>
+#else /* __MINGW32_VERSION */
+#include <ntddndis.h>
+#endif /* __MINGW32_VERSION */
+
+#ifdef _WIN32_WCE
+#include <winioctl.h>
+#include <nuiouser.h>
+#include <devload.h>
+#endif /* _WIN32_WCE */
+
+#include "common.h"
+#include "driver.h"
+#include "eloop.h"
+#include "common/ieee802_11_defs.h"
+#include "driver_ndis.h"
+
+int wpa_driver_register_event_cb(struct wpa_driver_ndis_data *drv);
+#ifdef CONFIG_NDIS_EVENTS_INTEGRATED
+void wpa_driver_ndis_event_pipe_cb(void *eloop_data, void *user_data);
+#endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
+
+static void wpa_driver_ndis_deinit(void *priv);
+static void wpa_driver_ndis_poll(void *drv);
+static void wpa_driver_ndis_poll_timeout(void *eloop_ctx, void *timeout_ctx);
+static int wpa_driver_ndis_adapter_init(struct wpa_driver_ndis_data *drv);
+static int wpa_driver_ndis_adapter_open(struct wpa_driver_ndis_data *drv);
+static void wpa_driver_ndis_adapter_close(struct wpa_driver_ndis_data *drv);
+
+
+static const u8 pae_group_addr[ETH_ALEN] =
+{ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 };
+
+
+/* FIX: to be removed once this can be compiled with the complete NDIS
+ * header files */
+#ifndef OID_802_11_BSSID
+#define OID_802_11_BSSID 			0x0d010101
+#define OID_802_11_SSID 			0x0d010102
+#define OID_802_11_INFRASTRUCTURE_MODE		0x0d010108
+#define OID_802_11_ADD_WEP			0x0D010113
+#define OID_802_11_REMOVE_WEP			0x0D010114
+#define OID_802_11_DISASSOCIATE			0x0D010115
+#define OID_802_11_BSSID_LIST 			0x0d010217
+#define OID_802_11_AUTHENTICATION_MODE		0x0d010118
+#define OID_802_11_PRIVACY_FILTER		0x0d010119
+#define OID_802_11_BSSID_LIST_SCAN 		0x0d01011A
+#define OID_802_11_WEP_STATUS	 		0x0d01011B
+#define OID_802_11_ENCRYPTION_STATUS OID_802_11_WEP_STATUS
+#define OID_802_11_ADD_KEY 			0x0d01011D
+#define OID_802_11_REMOVE_KEY 			0x0d01011E
+#define OID_802_11_ASSOCIATION_INFORMATION	0x0d01011F
+#define OID_802_11_TEST 			0x0d010120
+#define OID_802_11_CAPABILITY 			0x0d010122
+#define OID_802_11_PMKID 			0x0d010123
+
+#define NDIS_802_11_LENGTH_SSID 32
+#define NDIS_802_11_LENGTH_RATES 8
+#define NDIS_802_11_LENGTH_RATES_EX 16
+
+typedef UCHAR NDIS_802_11_MAC_ADDRESS[6];
+
+typedef struct NDIS_802_11_SSID {
+	ULONG SsidLength;
+	UCHAR Ssid[NDIS_802_11_LENGTH_SSID];
+} NDIS_802_11_SSID;
+
+typedef LONG NDIS_802_11_RSSI;
+
+typedef enum NDIS_802_11_NETWORK_TYPE {
+	Ndis802_11FH,
+	Ndis802_11DS,
+	Ndis802_11OFDM5,
+	Ndis802_11OFDM24,
+	Ndis802_11NetworkTypeMax
+} NDIS_802_11_NETWORK_TYPE;
+
+typedef struct NDIS_802_11_CONFIGURATION_FH {
+	ULONG Length;
+	ULONG HopPattern;
+	ULONG HopSet;
+	ULONG DwellTime;
+} NDIS_802_11_CONFIGURATION_FH;
+
+typedef struct NDIS_802_11_CONFIGURATION {
+	ULONG Length;
+	ULONG BeaconPeriod;
+	ULONG ATIMWindow;
+	ULONG DSConfig;
+	NDIS_802_11_CONFIGURATION_FH FHConfig;
+} NDIS_802_11_CONFIGURATION;
+
+typedef enum NDIS_802_11_NETWORK_INFRASTRUCTURE {
+	Ndis802_11IBSS,
+	Ndis802_11Infrastructure,
+	Ndis802_11AutoUnknown,
+	Ndis802_11InfrastructureMax
+} NDIS_802_11_NETWORK_INFRASTRUCTURE;
+
+typedef enum NDIS_802_11_AUTHENTICATION_MODE {
+	Ndis802_11AuthModeOpen,
+	Ndis802_11AuthModeShared,
+	Ndis802_11AuthModeAutoSwitch,
+	Ndis802_11AuthModeWPA,
+	Ndis802_11AuthModeWPAPSK,
+	Ndis802_11AuthModeWPANone,
+	Ndis802_11AuthModeWPA2,
+	Ndis802_11AuthModeWPA2PSK,
+	Ndis802_11AuthModeMax
+} NDIS_802_11_AUTHENTICATION_MODE;
+
+typedef enum NDIS_802_11_WEP_STATUS {
+	Ndis802_11WEPEnabled,
+	Ndis802_11Encryption1Enabled = Ndis802_11WEPEnabled,
+	Ndis802_11WEPDisabled,
+	Ndis802_11EncryptionDisabled = Ndis802_11WEPDisabled,
+	Ndis802_11WEPKeyAbsent,
+	Ndis802_11Encryption1KeyAbsent = Ndis802_11WEPKeyAbsent,
+	Ndis802_11WEPNotSupported,
+	Ndis802_11EncryptionNotSupported = Ndis802_11WEPNotSupported,
+	Ndis802_11Encryption2Enabled,
+	Ndis802_11Encryption2KeyAbsent,
+	Ndis802_11Encryption3Enabled,
+	Ndis802_11Encryption3KeyAbsent
+} NDIS_802_11_WEP_STATUS, NDIS_802_11_ENCRYPTION_STATUS;
+
+typedef enum NDIS_802_11_PRIVACY_FILTER {
+	Ndis802_11PrivFilterAcceptAll,
+	Ndis802_11PrivFilter8021xWEP
+} NDIS_802_11_PRIVACY_FILTER;
+
+typedef UCHAR NDIS_802_11_RATES[NDIS_802_11_LENGTH_RATES];
+typedef UCHAR NDIS_802_11_RATES_EX[NDIS_802_11_LENGTH_RATES_EX];
+
+typedef struct NDIS_WLAN_BSSID_EX {
+	ULONG Length;
+	NDIS_802_11_MAC_ADDRESS MacAddress; /* BSSID */
+	UCHAR Reserved[2];
+	NDIS_802_11_SSID Ssid;
+	ULONG Privacy;
+	NDIS_802_11_RSSI Rssi;
+	NDIS_802_11_NETWORK_TYPE NetworkTypeInUse;
+	NDIS_802_11_CONFIGURATION Configuration;
+	NDIS_802_11_NETWORK_INFRASTRUCTURE InfrastructureMode;
+	NDIS_802_11_RATES_EX SupportedRates;
+	ULONG IELength;
+	UCHAR IEs[1];
+} NDIS_WLAN_BSSID_EX;
+
+typedef struct NDIS_802_11_BSSID_LIST_EX {
+	ULONG NumberOfItems;
+	NDIS_WLAN_BSSID_EX Bssid[1];
+} NDIS_802_11_BSSID_LIST_EX;
+
+typedef struct NDIS_802_11_FIXED_IEs {
+	UCHAR Timestamp[8];
+	USHORT BeaconInterval;
+	USHORT Capabilities;
+} NDIS_802_11_FIXED_IEs;
+
+typedef struct NDIS_802_11_WEP {
+	ULONG Length;
+	ULONG KeyIndex;
+	ULONG KeyLength;
+	UCHAR KeyMaterial[1];
+} NDIS_802_11_WEP;
+
+typedef ULONG NDIS_802_11_KEY_INDEX;
+typedef ULONGLONG NDIS_802_11_KEY_RSC;
+
+typedef struct NDIS_802_11_KEY {
+	ULONG Length;
+	ULONG KeyIndex;
+	ULONG KeyLength;
+	NDIS_802_11_MAC_ADDRESS BSSID;
+	NDIS_802_11_KEY_RSC KeyRSC;
+	UCHAR KeyMaterial[1];
+} NDIS_802_11_KEY;
+
+typedef struct NDIS_802_11_REMOVE_KEY {
+	ULONG Length;
+	ULONG KeyIndex;
+	NDIS_802_11_MAC_ADDRESS BSSID;
+} NDIS_802_11_REMOVE_KEY;
+
+typedef struct NDIS_802_11_AI_REQFI {
+	USHORT Capabilities;
+	USHORT ListenInterval;
+	NDIS_802_11_MAC_ADDRESS CurrentAPAddress;
+} NDIS_802_11_AI_REQFI;
+
+typedef struct NDIS_802_11_AI_RESFI {
+	USHORT Capabilities;
+	USHORT StatusCode;
+	USHORT AssociationId;
+} NDIS_802_11_AI_RESFI;
+
+typedef struct NDIS_802_11_ASSOCIATION_INFORMATION {
+	ULONG Length;
+	USHORT AvailableRequestFixedIEs;
+	NDIS_802_11_AI_REQFI RequestFixedIEs;
+	ULONG RequestIELength;
+	ULONG OffsetRequestIEs;
+	USHORT AvailableResponseFixedIEs;
+	NDIS_802_11_AI_RESFI ResponseFixedIEs;
+	ULONG ResponseIELength;
+	ULONG OffsetResponseIEs;
+} NDIS_802_11_ASSOCIATION_INFORMATION;
+
+typedef struct NDIS_802_11_AUTHENTICATION_ENCRYPTION {
+	NDIS_802_11_AUTHENTICATION_MODE AuthModeSupported;
+	NDIS_802_11_ENCRYPTION_STATUS EncryptStatusSupported;
+} NDIS_802_11_AUTHENTICATION_ENCRYPTION;
+
+typedef struct NDIS_802_11_CAPABILITY {
+	ULONG Length;
+	ULONG Version;
+	ULONG NoOfPMKIDs;
+	ULONG NoOfAuthEncryptPairsSupported;
+	NDIS_802_11_AUTHENTICATION_ENCRYPTION
+		AuthenticationEncryptionSupported[1];
+} NDIS_802_11_CAPABILITY;
+
+typedef UCHAR NDIS_802_11_PMKID_VALUE[16];
+
+typedef struct BSSID_INFO {
+	NDIS_802_11_MAC_ADDRESS BSSID;
+	NDIS_802_11_PMKID_VALUE PMKID;
+} BSSID_INFO;
+
+typedef struct NDIS_802_11_PMKID {
+	ULONG Length;
+	ULONG BSSIDInfoCount;
+	BSSID_INFO BSSIDInfo[1];
+} NDIS_802_11_PMKID;
+
+typedef enum NDIS_802_11_STATUS_TYPE {
+	Ndis802_11StatusType_Authentication,
+	Ndis802_11StatusType_PMKID_CandidateList = 2,
+	Ndis802_11StatusTypeMax
+} NDIS_802_11_STATUS_TYPE;
+
+typedef struct NDIS_802_11_STATUS_INDICATION {
+	NDIS_802_11_STATUS_TYPE StatusType;
+} NDIS_802_11_STATUS_INDICATION;
+
+typedef struct PMKID_CANDIDATE {
+	NDIS_802_11_MAC_ADDRESS BSSID;
+	ULONG Flags;
+} PMKID_CANDIDATE;
+
+#define NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED 0x01
+
+typedef struct NDIS_802_11_PMKID_CANDIDATE_LIST {
+	ULONG Version;
+	ULONG NumCandidates;
+	PMKID_CANDIDATE CandidateList[1];
+} NDIS_802_11_PMKID_CANDIDATE_LIST;
+
+typedef struct NDIS_802_11_AUTHENTICATION_REQUEST {
+	ULONG Length;
+	NDIS_802_11_MAC_ADDRESS Bssid;
+	ULONG Flags;
+} NDIS_802_11_AUTHENTICATION_REQUEST;
+
+#define NDIS_802_11_AUTH_REQUEST_REAUTH			0x01
+#define NDIS_802_11_AUTH_REQUEST_KEYUPDATE		0x02
+#define NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR		0x06
+#define NDIS_802_11_AUTH_REQUEST_GROUP_ERROR		0x0E
+
+#endif /* OID_802_11_BSSID */
+
+
+#ifndef OID_802_11_PMKID
+/* Platform SDK for XP did not include WPA2, so add needed definitions */
+
+#define OID_802_11_CAPABILITY 			0x0d010122
+#define OID_802_11_PMKID 			0x0d010123
+
+#define Ndis802_11AuthModeWPA2 6
+#define Ndis802_11AuthModeWPA2PSK 7
+
+#define Ndis802_11StatusType_PMKID_CandidateList 2
+
+typedef struct NDIS_802_11_AUTHENTICATION_ENCRYPTION {
+	NDIS_802_11_AUTHENTICATION_MODE AuthModeSupported;
+	NDIS_802_11_ENCRYPTION_STATUS EncryptStatusSupported;
+} NDIS_802_11_AUTHENTICATION_ENCRYPTION;
+
+typedef struct NDIS_802_11_CAPABILITY {
+	ULONG Length;
+	ULONG Version;
+	ULONG NoOfPMKIDs;
+	ULONG NoOfAuthEncryptPairsSupported;
+	NDIS_802_11_AUTHENTICATION_ENCRYPTION
+		AuthenticationEncryptionSupported[1];
+} NDIS_802_11_CAPABILITY;
+
+typedef UCHAR NDIS_802_11_PMKID_VALUE[16];
+
+typedef struct BSSID_INFO {
+	NDIS_802_11_MAC_ADDRESS BSSID;
+	NDIS_802_11_PMKID_VALUE PMKID;
+} BSSID_INFO;
+
+typedef struct NDIS_802_11_PMKID {
+	ULONG Length;
+	ULONG BSSIDInfoCount;
+	BSSID_INFO BSSIDInfo[1];
+} NDIS_802_11_PMKID;
+
+typedef struct PMKID_CANDIDATE {
+	NDIS_802_11_MAC_ADDRESS BSSID;
+	ULONG Flags;
+} PMKID_CANDIDATE;
+
+#define NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED 0x01
+
+typedef struct NDIS_802_11_PMKID_CANDIDATE_LIST {
+	ULONG Version;
+	ULONG NumCandidates;
+	PMKID_CANDIDATE CandidateList[1];
+} NDIS_802_11_PMKID_CANDIDATE_LIST;
+
+#endif /* OID_802_11_CAPABILITY */
+
+
+#ifndef OID_DOT11_CURRENT_OPERATION_MODE
+/* Native 802.11 OIDs */
+#define OID_DOT11_NDIS_START 0x0D010300
+#define OID_DOT11_CURRENT_OPERATION_MODE (OID_DOT11_NDIS_START + 8)
+#define OID_DOT11_SCAN_REQUEST (OID_DOT11_NDIS_START + 11)
+
+typedef enum _DOT11_BSS_TYPE {
+	dot11_BSS_type_infrastructure = 1,
+	dot11_BSS_type_independent = 2,
+	dot11_BSS_type_any = 3
+} DOT11_BSS_TYPE, * PDOT11_BSS_TYPE;
+
+typedef UCHAR DOT11_MAC_ADDRESS[6];
+typedef DOT11_MAC_ADDRESS * PDOT11_MAC_ADDRESS;
+
+typedef enum _DOT11_SCAN_TYPE {
+	dot11_scan_type_active = 1,
+	dot11_scan_type_passive = 2,
+	dot11_scan_type_auto = 3,
+	dot11_scan_type_forced = 0x80000000
+} DOT11_SCAN_TYPE, * PDOT11_SCAN_TYPE;
+
+typedef struct _DOT11_SCAN_REQUEST_V2 {
+	DOT11_BSS_TYPE dot11BSSType;
+	DOT11_MAC_ADDRESS dot11BSSID;
+	DOT11_SCAN_TYPE dot11ScanType;
+	BOOLEAN bRestrictedScan;
+	ULONG udot11SSIDsOffset;
+	ULONG uNumOfdot11SSIDs;
+	BOOLEAN bUseRequestIE;
+	ULONG uRequestIDsOffset;
+	ULONG uNumOfRequestIDs;
+	ULONG uPhyTypeInfosOffset;
+	ULONG uNumOfPhyTypeInfos;
+	ULONG uIEsOffset;
+	ULONG uIEsLength;
+	UCHAR ucBuffer[1];
+} DOT11_SCAN_REQUEST_V2, * PDOT11_SCAN_REQUEST_V2;
+
+#endif /* OID_DOT11_CURRENT_OPERATION_MODE */
+
+#ifdef CONFIG_USE_NDISUIO
+#ifndef _WIN32_WCE
+#ifdef __MINGW32_VERSION
+typedef ULONG NDIS_OID;
+#endif /* __MINGW32_VERSION */
+/* from nuiouser.h */
+#define FSCTL_NDISUIO_BASE      FILE_DEVICE_NETWORK
+
+#define _NDISUIO_CTL_CODE(_Function, _Method, _Access) \
+	CTL_CODE(FSCTL_NDISUIO_BASE, _Function, _Method, _Access)
+
+#define IOCTL_NDISUIO_OPEN_DEVICE \
+	_NDISUIO_CTL_CODE(0x200, METHOD_BUFFERED, \
+			  FILE_READ_ACCESS | FILE_WRITE_ACCESS)
+
+#define IOCTL_NDISUIO_QUERY_OID_VALUE \
+	_NDISUIO_CTL_CODE(0x201, METHOD_BUFFERED, \
+			  FILE_READ_ACCESS | FILE_WRITE_ACCESS)
+
+#define IOCTL_NDISUIO_SET_OID_VALUE \
+	_NDISUIO_CTL_CODE(0x205, METHOD_BUFFERED, \
+			  FILE_READ_ACCESS | FILE_WRITE_ACCESS)
+
+#define IOCTL_NDISUIO_SET_ETHER_TYPE \
+	_NDISUIO_CTL_CODE(0x202, METHOD_BUFFERED, \
+			  FILE_READ_ACCESS | FILE_WRITE_ACCESS)
+
+#define IOCTL_NDISUIO_QUERY_BINDING \
+	_NDISUIO_CTL_CODE(0x203, METHOD_BUFFERED, \
+			  FILE_READ_ACCESS | FILE_WRITE_ACCESS)
+
+#define IOCTL_NDISUIO_BIND_WAIT \
+	_NDISUIO_CTL_CODE(0x204, METHOD_BUFFERED, \
+			  FILE_READ_ACCESS | FILE_WRITE_ACCESS)
+
+typedef struct _NDISUIO_QUERY_OID
+{
+    NDIS_OID Oid;
+    UCHAR Data[sizeof(ULONG)];
+} NDISUIO_QUERY_OID, *PNDISUIO_QUERY_OID;
+
+typedef struct _NDISUIO_SET_OID
+{
+    NDIS_OID Oid;
+    UCHAR Data[sizeof(ULONG)];
+} NDISUIO_SET_OID, *PNDISUIO_SET_OID;
+
+typedef struct _NDISUIO_QUERY_BINDING
+{
+	ULONG BindingIndex;
+	ULONG DeviceNameOffset;
+	ULONG DeviceNameLength;
+	ULONG DeviceDescrOffset;
+	ULONG DeviceDescrLength;
+} NDISUIO_QUERY_BINDING, *PNDISUIO_QUERY_BINDING;
+#endif /* _WIN32_WCE */
+#endif /* CONFIG_USE_NDISUIO */
+
+
+static int ndis_get_oid(struct wpa_driver_ndis_data *drv, unsigned int oid,
+			char *data, size_t len)
+{
+#ifdef CONFIG_USE_NDISUIO
+	NDISUIO_QUERY_OID *o;
+	size_t buflen = sizeof(*o) + len;
+	DWORD written;
+	int ret;
+	size_t hdrlen;
+
+	o = os_zalloc(buflen);
+	if (o == NULL)
+		return -1;
+	o->Oid = oid;
+#ifdef _WIN32_WCE
+	o->ptcDeviceName = drv->adapter_name;
+#endif /* _WIN32_WCE */
+	if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_QUERY_OID_VALUE,
+			     o, sizeof(NDISUIO_QUERY_OID), o, buflen, &written,
+			     NULL)) {
+		wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDISUIO_QUERY_OID_VALUE "
+			   "failed (oid=%08x): %d", oid, (int) GetLastError());
+		os_free(o);
+		return -1;
+	}
+	hdrlen = sizeof(NDISUIO_QUERY_OID) - sizeof(o->Data);
+	if (written < hdrlen) {
+		wpa_printf(MSG_DEBUG, "NDIS: query oid=%08x written (%d); "
+			   "too short", oid, (unsigned int) written);
+		os_free(o);
+		return -1;
+	}
+	written -= hdrlen;
+	if (written > len) {
+		wpa_printf(MSG_DEBUG, "NDIS: query oid=%08x written (%d) > "
+			   "len (%d)",oid, (unsigned int) written, len);
+		os_free(o);
+		return -1;
+	}
+	os_memcpy(data, o->Data, written);
+	ret = written;
+	os_free(o);
+	return ret;
+#else /* CONFIG_USE_NDISUIO */
+	char *buf;
+	PACKET_OID_DATA *o;
+	int ret;
+
+	buf = os_zalloc(sizeof(*o) + len);
+	if (buf == NULL)
+		return -1;
+	o = (PACKET_OID_DATA *) buf;
+	o->Oid = oid;
+	o->Length = len;
+
+	if (!PacketRequest(drv->adapter, FALSE, o)) {
+		wpa_printf(MSG_DEBUG, "%s: oid=0x%x len (%d) failed",
+			   __func__, oid, len);
+		os_free(buf);
+		return -1;
+	}
+	if (o->Length > len) {
+		wpa_printf(MSG_DEBUG, "%s: oid=0x%x Length (%d) > len (%d)",
+			   __func__, oid, (unsigned int) o->Length, len);
+		os_free(buf);
+		return -1;
+	}
+	os_memcpy(data, o->Data, o->Length);
+	ret = o->Length;
+	os_free(buf);
+	return ret;
+#endif /* CONFIG_USE_NDISUIO */
+}
+
+
+static int ndis_set_oid(struct wpa_driver_ndis_data *drv, unsigned int oid,
+			const char *data, size_t len)
+{
+#ifdef CONFIG_USE_NDISUIO
+	NDISUIO_SET_OID *o;
+	size_t buflen, reallen;
+	DWORD written;
+	char txt[50];
+
+	os_snprintf(txt, sizeof(txt), "NDIS: Set OID %08x", oid);
+	wpa_hexdump_key(MSG_MSGDUMP, txt, (const u8 *) data, len);
+
+	buflen = sizeof(*o) + len;
+	reallen = buflen - sizeof(o->Data);
+	o = os_zalloc(buflen);
+	if (o == NULL)
+		return -1;
+	o->Oid = oid;
+#ifdef _WIN32_WCE
+	o->ptcDeviceName = drv->adapter_name;
+#endif /* _WIN32_WCE */
+	if (data)
+		os_memcpy(o->Data, data, len);
+	if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_SET_OID_VALUE,
+			     o, reallen, NULL, 0, &written, NULL)) {
+		wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDISUIO_SET_OID_VALUE "
+			   "(oid=%08x) failed: %d", oid, (int) GetLastError());
+		os_free(o);
+		return -1;
+	}
+	os_free(o);
+	return 0;
+#else /* CONFIG_USE_NDISUIO */
+	char *buf;
+	PACKET_OID_DATA *o;
+	char txt[50];
+
+	os_snprintf(txt, sizeof(txt), "NDIS: Set OID %08x", oid);
+	wpa_hexdump_key(MSG_MSGDUMP, txt, (const u8 *) data, len);
+
+	buf = os_zalloc(sizeof(*o) + len);
+	if (buf == NULL)
+		return -1;
+	o = (PACKET_OID_DATA *) buf;
+	o->Oid = oid;
+	o->Length = len;
+	if (data)
+		os_memcpy(o->Data, data, len);
+
+	if (!PacketRequest(drv->adapter, TRUE, o)) {
+		wpa_printf(MSG_DEBUG, "%s: oid=0x%x len (%d) failed",
+			   __func__, oid, len);
+		os_free(buf);
+		return -1;
+	}
+	os_free(buf);
+	return 0;
+#endif /* CONFIG_USE_NDISUIO */
+}
+
+
+static int ndis_set_auth_mode(struct wpa_driver_ndis_data *drv, int mode)
+{
+	u32 auth_mode = mode;
+	if (ndis_set_oid(drv, OID_802_11_AUTHENTICATION_MODE,
+			 (char *) &auth_mode, sizeof(auth_mode)) < 0) {
+		wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
+			   "OID_802_11_AUTHENTICATION_MODE (%d)",
+			   (int) auth_mode);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int ndis_get_auth_mode(struct wpa_driver_ndis_data *drv)
+{
+	u32 auth_mode;
+	int res;
+	res = ndis_get_oid(drv, OID_802_11_AUTHENTICATION_MODE,
+			   (char *) &auth_mode, sizeof(auth_mode));
+	if (res != sizeof(auth_mode)) {
+		wpa_printf(MSG_DEBUG, "NDIS: Failed to get "
+			   "OID_802_11_AUTHENTICATION_MODE");
+		return -1;
+	}
+	return auth_mode;
+}
+
+
+static int ndis_set_encr_status(struct wpa_driver_ndis_data *drv, int encr)
+{
+	u32 encr_status = encr;
+	if (ndis_set_oid(drv, OID_802_11_ENCRYPTION_STATUS,
+			 (char *) &encr_status, sizeof(encr_status)) < 0) {
+		wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
+			   "OID_802_11_ENCRYPTION_STATUS (%d)", encr);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int ndis_get_encr_status(struct wpa_driver_ndis_data *drv)
+{
+	u32 encr;
+	int res;
+	res = ndis_get_oid(drv, OID_802_11_ENCRYPTION_STATUS,
+			   (char *) &encr, sizeof(encr));
+	if (res != sizeof(encr)) {
+		wpa_printf(MSG_DEBUG, "NDIS: Failed to get "
+			   "OID_802_11_ENCRYPTION_STATUS");
+		return -1;
+	}
+	return encr;
+}
+
+
+static int wpa_driver_ndis_get_bssid(void *priv, u8 *bssid)
+{
+	struct wpa_driver_ndis_data *drv = priv;
+
+	if (drv->wired) {
+		/*
+		 * Report PAE group address as the "BSSID" for wired
+		 * connection.
+		 */
+		os_memcpy(bssid, pae_group_addr, ETH_ALEN);
+		return 0;
+	}
+
+	return ndis_get_oid(drv, OID_802_11_BSSID, (char *) bssid, ETH_ALEN) <
+		0 ? -1 : 0;
+}
+
+
+static int wpa_driver_ndis_get_ssid(void *priv, u8 *ssid)
+{
+	struct wpa_driver_ndis_data *drv = priv;
+	NDIS_802_11_SSID buf;
+	int res;
+
+	res = ndis_get_oid(drv, OID_802_11_SSID, (char *) &buf, sizeof(buf));
+	if (res < 4) {
+		wpa_printf(MSG_DEBUG, "NDIS: Failed to get SSID");
+		if (drv->wired) {
+			wpa_printf(MSG_DEBUG, "NDIS: Allow get_ssid failure "
+				   "with a wired interface");
+			return 0;
+		}
+		return -1;
+	}
+	os_memcpy(ssid, buf.Ssid, buf.SsidLength);
+	return buf.SsidLength;
+}
+
+
+static int wpa_driver_ndis_set_ssid(struct wpa_driver_ndis_data *drv,
+				    const u8 *ssid, size_t ssid_len)
+{
+	NDIS_802_11_SSID buf;
+
+	os_memset(&buf, 0, sizeof(buf));
+	buf.SsidLength = ssid_len;
+	os_memcpy(buf.Ssid, ssid, ssid_len);
+	/*
+	 * Make sure radio is marked enabled here so that scan request will not
+	 * force SSID to be changed to a random one in order to enable radio at
+	 * that point.
+	 */
+	drv->radio_enabled = 1;
+	return ndis_set_oid(drv, OID_802_11_SSID, (char *) &buf, sizeof(buf));
+}
+
+
+/* Disconnect using OID_802_11_DISASSOCIATE. This will also turn the radio off.
+ */
+static int wpa_driver_ndis_radio_off(struct wpa_driver_ndis_data *drv)
+{
+	drv->radio_enabled = 0;
+	return ndis_set_oid(drv, OID_802_11_DISASSOCIATE, "    ", 4);
+}
+
+
+/* Disconnect by setting SSID to random (i.e., likely not used). */
+static int wpa_driver_ndis_disconnect(struct wpa_driver_ndis_data *drv)
+{
+	char ssid[32];
+	int i;
+	for (i = 0; i < 32; i++)
+		ssid[i] = rand() & 0xff;
+	return wpa_driver_ndis_set_ssid(drv, (u8 *) ssid, 32);
+}
+
+
+static int wpa_driver_ndis_deauthenticate(void *priv, const u8 *addr,
+					  int reason_code)
+{
+	struct wpa_driver_ndis_data *drv = priv;
+	return wpa_driver_ndis_disconnect(drv);
+}
+
+
+static int wpa_driver_ndis_disassociate(void *priv, const u8 *addr,
+					int reason_code)
+{
+	struct wpa_driver_ndis_data *drv = priv;
+	return wpa_driver_ndis_disconnect(drv);
+}
+
+
+static void wpa_driver_ndis_scan_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
+	wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
+}
+
+
+static int wpa_driver_ndis_scan_native80211(
+	struct wpa_driver_ndis_data *drv,
+	struct wpa_driver_scan_params *params)
+{
+	DOT11_SCAN_REQUEST_V2 req;
+	int res;
+
+	os_memset(&req, 0, sizeof(req));
+	req.dot11BSSType = dot11_BSS_type_any;
+	os_memset(req.dot11BSSID, 0xff, ETH_ALEN);
+	req.dot11ScanType = dot11_scan_type_auto;
+	res = ndis_set_oid(drv, OID_DOT11_SCAN_REQUEST, (char *) &req,
+			   sizeof(req));
+	eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
+	eloop_register_timeout(7, 0, wpa_driver_ndis_scan_timeout, drv,
+			       drv->ctx);
+	return res;
+}
+
+
+static int wpa_driver_ndis_scan(void *priv,
+				struct wpa_driver_scan_params *params)
+{
+	struct wpa_driver_ndis_data *drv = priv;
+	int res;
+
+	if (drv->native80211)
+		return wpa_driver_ndis_scan_native80211(drv, params);
+
+	if (!drv->radio_enabled) {
+		wpa_printf(MSG_DEBUG, "NDIS: turning radio on before the first"
+			   " scan");
+		if (wpa_driver_ndis_disconnect(drv) < 0) {
+			wpa_printf(MSG_DEBUG, "NDIS: failed to enable radio");
+		}
+		drv->radio_enabled = 1;
+	}
+
+	res = ndis_set_oid(drv, OID_802_11_BSSID_LIST_SCAN, "    ", 4);
+	eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
+	eloop_register_timeout(7, 0, wpa_driver_ndis_scan_timeout, drv,
+			       drv->ctx);
+	return res;
+}
+
+
+static const u8 * wpa_scan_get_ie(const struct wpa_scan_res *res, u8 ie)
+{
+	const u8 *end, *pos;
+
+	pos = (const u8 *) (res + 1);
+	end = pos + res->ie_len;
+
+	while (pos + 1 < end) {
+		if (pos + 2 + pos[1] > end)
+			break;
+		if (pos[0] == ie)
+			return pos;
+		pos += 2 + pos[1];
+	}
+
+	return NULL;
+}
+
+
+static struct wpa_scan_res * wpa_driver_ndis_add_scan_ssid(
+	struct wpa_scan_res *r, NDIS_802_11_SSID *ssid)
+{
+	struct wpa_scan_res *nr;
+	u8 *pos;
+
+	if (wpa_scan_get_ie(r, WLAN_EID_SSID))
+		return r; /* SSID IE already present */
+
+	if (ssid->SsidLength == 0 || ssid->SsidLength > 32)
+		return r; /* No valid SSID inside scan data */
+
+	nr = os_realloc(r, sizeof(*r) + r->ie_len + 2 + ssid->SsidLength);
+	if (nr == NULL)
+		return r;
+
+	pos = ((u8 *) (nr + 1)) + nr->ie_len;
+	*pos++ = WLAN_EID_SSID;
+	*pos++ = ssid->SsidLength;
+	os_memcpy(pos, ssid->Ssid, ssid->SsidLength);
+	nr->ie_len += 2 + ssid->SsidLength;
+
+	return nr;
+}
+
+
+static struct wpa_scan_results * wpa_driver_ndis_get_scan_results(void *priv)
+{
+	struct wpa_driver_ndis_data *drv = priv;
+	NDIS_802_11_BSSID_LIST_EX *b;
+	size_t blen, count, i;
+	int len;
+	char *pos;
+	struct wpa_scan_results *results;
+	struct wpa_scan_res *r;
+
+	blen = 65535;
+	b = os_zalloc(blen);
+	if (b == NULL)
+		return NULL;
+	len = ndis_get_oid(drv, OID_802_11_BSSID_LIST, (char *) b, blen);
+	if (len < 0) {
+		wpa_printf(MSG_DEBUG, "NDIS: failed to get scan results");
+		os_free(b);
+		return NULL;
+	}
+	count = b->NumberOfItems;
+
+	results = os_zalloc(sizeof(*results));
+	if (results == NULL) {
+		os_free(b);
+		return NULL;
+	}
+	results->res = os_zalloc(count * sizeof(struct wpa_scan_res *));
+	if (results->res == NULL) {
+		os_free(results);
+		os_free(b);
+		return NULL;
+	}
+
+	pos = (char *) &b->Bssid[0];
+	for (i = 0; i < count; i++) {
+		NDIS_WLAN_BSSID_EX *bss = (NDIS_WLAN_BSSID_EX *) pos;
+		NDIS_802_11_FIXED_IEs *fixed;
+
+		if (bss->IELength < sizeof(NDIS_802_11_FIXED_IEs)) {
+			wpa_printf(MSG_DEBUG, "NDIS: too small IELength=%d",
+				   (int) bss->IELength);
+			break;
+		}
+		if (((char *) bss->IEs) + bss->IELength  > (char *) b + blen) {
+			/*
+			 * Some NDIS drivers have been reported to include an
+			 * entry with an invalid IELength in scan results and
+			 * this has crashed wpa_supplicant, so validate the
+			 * returned value before using it.
+			 */
+			wpa_printf(MSG_DEBUG, "NDIS: skipped invalid scan "
+				   "result IE (BSSID=" MACSTR ") IELength=%d",
+				   MAC2STR(bss->MacAddress),
+				   (int) bss->IELength);
+			break;
+		}
+
+		r = os_zalloc(sizeof(*r) + bss->IELength -
+			      sizeof(NDIS_802_11_FIXED_IEs));
+		if (r == NULL)
+			break;
+
+		os_memcpy(r->bssid, bss->MacAddress, ETH_ALEN);
+		r->level = (int) bss->Rssi;
+		r->freq = bss->Configuration.DSConfig / 1000;
+		fixed = (NDIS_802_11_FIXED_IEs *) bss->IEs;
+		r->beacon_int = WPA_GET_LE16((u8 *) &fixed->BeaconInterval);
+		r->caps = WPA_GET_LE16((u8 *) &fixed->Capabilities);
+		r->tsf = WPA_GET_LE64(fixed->Timestamp);
+		os_memcpy(r + 1, bss->IEs + sizeof(NDIS_802_11_FIXED_IEs),
+			  bss->IELength - sizeof(NDIS_802_11_FIXED_IEs));
+		r->ie_len = bss->IELength - sizeof(NDIS_802_11_FIXED_IEs);
+		r = wpa_driver_ndis_add_scan_ssid(r, &bss->Ssid);
+
+		results->res[results->num++] = r;
+
+		pos += bss->Length;
+		if (pos > (char *) b + blen)
+			break;
+	}
+
+	os_free(b);
+
+	return results;
+}
+
+
+static int wpa_driver_ndis_remove_key(struct wpa_driver_ndis_data *drv,
+				      int key_idx, const u8 *addr,
+				      const u8 *bssid, int pairwise)
+{
+	NDIS_802_11_REMOVE_KEY rkey;
+	NDIS_802_11_KEY_INDEX index;
+	int res, res2;
+
+	os_memset(&rkey, 0, sizeof(rkey));
+
+	rkey.Length = sizeof(rkey);
+	rkey.KeyIndex = key_idx;
+	if (pairwise)
+		rkey.KeyIndex |= 1 << 30;
+	os_memcpy(rkey.BSSID, bssid, ETH_ALEN);
+
+	res = ndis_set_oid(drv, OID_802_11_REMOVE_KEY, (char *) &rkey,
+			   sizeof(rkey));
+	if (!pairwise) {
+		index = key_idx;
+		res2 = ndis_set_oid(drv, OID_802_11_REMOVE_WEP,
+				    (char *) &index, sizeof(index));
+	} else
+		res2 = 0;
+
+	if (res < 0 && res2 < 0)
+		return -1;
+	return 0;
+}
+
+
+static int wpa_driver_ndis_add_wep(struct wpa_driver_ndis_data *drv,
+				   int pairwise, int key_idx, int set_tx,
+				   const u8 *key, size_t key_len)
+{
+	NDIS_802_11_WEP *wep;
+	size_t len;
+	int res;
+
+	len = 12 + key_len;
+	wep = os_zalloc(len);
+	if (wep == NULL)
+		return -1;
+	wep->Length = len;
+	wep->KeyIndex = key_idx;
+	if (set_tx)
+		wep->KeyIndex |= 1 << 31;
+#if 0 /* Setting bit30 does not seem to work with some NDIS drivers */
+	if (pairwise)
+		wep->KeyIndex |= 1 << 30;
+#endif
+	wep->KeyLength = key_len;
+	os_memcpy(wep->KeyMaterial, key, key_len);
+
+	wpa_hexdump_key(MSG_MSGDUMP, "NDIS: OID_802_11_ADD_WEP",
+			(u8 *) wep, len);
+	res = ndis_set_oid(drv, OID_802_11_ADD_WEP, (char *) wep, len);
+
+	os_free(wep);
+
+	return res;
+}
+
+
+static int wpa_driver_ndis_set_key(const char *ifname, void *priv,
+				   enum wpa_alg alg, const u8 *addr,
+				   int key_idx, int set_tx,
+				   const u8 *seq, size_t seq_len,
+				   const u8 *key, size_t key_len)
+{
+	struct wpa_driver_ndis_data *drv = priv;
+	size_t len, i;
+	NDIS_802_11_KEY *nkey;
+	int res, pairwise;
+	u8 bssid[ETH_ALEN];
+
+	if (addr == NULL || is_broadcast_ether_addr(addr)) {
+		/* Group Key */
+		pairwise = 0;
+		if (wpa_driver_ndis_get_bssid(drv, bssid) < 0)
+			os_memset(bssid, 0xff, ETH_ALEN);
+	} else {
+		/* Pairwise Key */
+		pairwise = 1;
+		os_memcpy(bssid, addr, ETH_ALEN);
+	}
+
+	if (alg == WPA_ALG_NONE || key_len == 0) {
+		return wpa_driver_ndis_remove_key(drv, key_idx, addr, bssid,
+						  pairwise);
+	}
+
+	if (alg == WPA_ALG_WEP) {
+		return wpa_driver_ndis_add_wep(drv, pairwise, key_idx, set_tx,
+					       key, key_len);
+	}
+
+	len = 12 + 6 + 6 + 8 + key_len;
+
+	nkey = os_zalloc(len);
+	if (nkey == NULL)
+		return -1;
+
+	nkey->Length = len;
+	nkey->KeyIndex = key_idx;
+	if (set_tx)
+		nkey->KeyIndex |= 1 << 31;
+	if (pairwise)
+		nkey->KeyIndex |= 1 << 30;
+	if (seq && seq_len)
+		nkey->KeyIndex |= 1 << 29;
+	nkey->KeyLength = key_len;
+	os_memcpy(nkey->BSSID, bssid, ETH_ALEN);
+	if (seq && seq_len) {
+		for (i = 0; i < seq_len; i++)
+			nkey->KeyRSC |= (ULONGLONG) seq[i] << (i * 8);
+	}
+	if (alg == WPA_ALG_TKIP && key_len == 32) {
+		os_memcpy(nkey->KeyMaterial, key, 16);
+		os_memcpy(nkey->KeyMaterial + 16, key + 24, 8);
+		os_memcpy(nkey->KeyMaterial + 24, key + 16, 8);
+	} else {
+		os_memcpy(nkey->KeyMaterial, key, key_len);
+	}
+
+	wpa_hexdump_key(MSG_MSGDUMP, "NDIS: OID_802_11_ADD_KEY",
+			(u8 *) nkey, len);
+	res = ndis_set_oid(drv, OID_802_11_ADD_KEY, (char *) nkey, len);
+	os_free(nkey);
+
+	return res;
+}
+
+
+static int
+wpa_driver_ndis_associate(void *priv,
+			  struct wpa_driver_associate_params *params)
+{
+	struct wpa_driver_ndis_data *drv = priv;
+	u32 auth_mode, encr, priv_mode, mode;
+	u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+
+	drv->mode = params->mode;
+
+	/* Note: Setting OID_802_11_INFRASTRUCTURE_MODE clears current keys,
+	 * so static WEP keys needs to be set again after this. */
+	if (params->mode == IEEE80211_MODE_IBSS) {
+		mode = Ndis802_11IBSS;
+		/* Need to make sure that BSSID polling is enabled for
+		 * IBSS mode. */
+		eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
+		eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout,
+				       drv, NULL);
+	} else
+		mode = Ndis802_11Infrastructure;
+	if (ndis_set_oid(drv, OID_802_11_INFRASTRUCTURE_MODE,
+			 (char *) &mode, sizeof(mode)) < 0) {
+		wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
+			   "OID_802_11_INFRASTRUCTURE_MODE (%d)",
+			   (int) mode);
+		/* Try to continue anyway */
+	}
+
+	if (params->key_mgmt_suite == KEY_MGMT_NONE ||
+	    params->key_mgmt_suite == KEY_MGMT_802_1X_NO_WPA) {
+		/* Re-set WEP keys if static WEP configuration is used. */
+		int i;
+		for (i = 0; i < 4; i++) {
+			if (!params->wep_key[i])
+				continue;
+			wpa_printf(MSG_DEBUG, "NDIS: Re-setting static WEP "
+				   "key %d", i);
+			wpa_driver_ndis_set_key(drv->ifname, drv, WPA_ALG_WEP,
+						bcast, i,
+						i == params->wep_tx_keyidx,
+						NULL, 0, params->wep_key[i],
+						params->wep_key_len[i]);
+		}
+	}
+
+	if (params->wpa_ie == NULL || params->wpa_ie_len == 0) {
+		if (params->auth_alg & WPA_AUTH_ALG_SHARED) {
+			if (params->auth_alg & WPA_AUTH_ALG_OPEN)
+				auth_mode = Ndis802_11AuthModeAutoSwitch;
+			else
+				auth_mode = Ndis802_11AuthModeShared;
+		} else
+			auth_mode = Ndis802_11AuthModeOpen;
+		priv_mode = Ndis802_11PrivFilterAcceptAll;
+	} else if (params->wpa_ie[0] == WLAN_EID_RSN) {
+		priv_mode = Ndis802_11PrivFilter8021xWEP;
+		if (params->key_mgmt_suite == KEY_MGMT_PSK)
+			auth_mode = Ndis802_11AuthModeWPA2PSK;
+		else
+			auth_mode = Ndis802_11AuthModeWPA2;
+#ifdef CONFIG_WPS
+	} else if (params->key_mgmt_suite == KEY_MGMT_WPS) {
+		auth_mode = Ndis802_11AuthModeOpen;
+		priv_mode = Ndis802_11PrivFilterAcceptAll;
+		if (params->wps == WPS_MODE_PRIVACY) {
+			u8 dummy_key[5] = { 0x11, 0x22, 0x33, 0x44, 0x55 };
+			/*
+			 * Some NDIS drivers refuse to associate in open mode
+			 * configuration due to Privacy field mismatch, so use
+			 * a workaround to make the configuration look like
+			 * matching one for WPS provisioning.
+			 */
+			wpa_printf(MSG_DEBUG, "NDIS: Set dummy WEP key as a "
+				   "workaround to allow driver to associate "
+				   "for WPS");
+			wpa_driver_ndis_set_key(drv->ifname, drv, WPA_ALG_WEP,
+						bcast, 0, 1,
+						NULL, 0, dummy_key,
+						sizeof(dummy_key));
+		}
+#endif /* CONFIG_WPS */
+	} else {
+		priv_mode = Ndis802_11PrivFilter8021xWEP;
+		if (params->key_mgmt_suite == KEY_MGMT_WPA_NONE)
+			auth_mode = Ndis802_11AuthModeWPANone;
+		else if (params->key_mgmt_suite == KEY_MGMT_PSK)
+			auth_mode = Ndis802_11AuthModeWPAPSK;
+		else
+			auth_mode = Ndis802_11AuthModeWPA;
+	}
+
+	switch (params->pairwise_suite) {
+	case CIPHER_CCMP:
+		encr = Ndis802_11Encryption3Enabled;
+		break;
+	case CIPHER_TKIP:
+		encr = Ndis802_11Encryption2Enabled;
+		break;
+	case CIPHER_WEP40:
+	case CIPHER_WEP104:
+		encr = Ndis802_11Encryption1Enabled;
+		break;
+	case CIPHER_NONE:
+#ifdef CONFIG_WPS
+		if (params->wps == WPS_MODE_PRIVACY) {
+			encr = Ndis802_11Encryption1Enabled;
+			break;
+		}
+#endif /* CONFIG_WPS */
+		if (params->group_suite == CIPHER_CCMP)
+			encr = Ndis802_11Encryption3Enabled;
+		else if (params->group_suite == CIPHER_TKIP)
+			encr = Ndis802_11Encryption2Enabled;
+		else
+			encr = Ndis802_11EncryptionDisabled;
+		break;
+	default:
+#ifdef CONFIG_WPS
+		if (params->wps == WPS_MODE_PRIVACY) {
+			encr = Ndis802_11Encryption1Enabled;
+			break;
+		}
+#endif /* CONFIG_WPS */
+		encr = Ndis802_11EncryptionDisabled;
+		break;
+	};
+
+	if (ndis_set_oid(drv, OID_802_11_PRIVACY_FILTER,
+			 (char *) &priv_mode, sizeof(priv_mode)) < 0) {
+		wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
+			   "OID_802_11_PRIVACY_FILTER (%d)",
+			   (int) priv_mode);
+		/* Try to continue anyway */
+	}
+
+	ndis_set_auth_mode(drv, auth_mode);
+	ndis_set_encr_status(drv, encr);
+
+	if (params->bssid) {
+		ndis_set_oid(drv, OID_802_11_BSSID, (char *) params->bssid,
+			     ETH_ALEN);
+		drv->oid_bssid_set = 1;
+	} else if (drv->oid_bssid_set) {
+		ndis_set_oid(drv, OID_802_11_BSSID, "\xff\xff\xff\xff\xff\xff",
+			     ETH_ALEN);
+		drv->oid_bssid_set = 0;
+	}
+
+	return wpa_driver_ndis_set_ssid(drv, params->ssid, params->ssid_len);
+}
+
+
+static int wpa_driver_ndis_set_pmkid(struct wpa_driver_ndis_data *drv)
+{
+	int len, count, i, ret;
+	struct ndis_pmkid_entry *entry;
+	NDIS_802_11_PMKID *p;
+
+	count = 0;
+	entry = drv->pmkid;
+	while (entry) {
+		count++;
+		if (count >= drv->no_of_pmkid)
+			break;
+		entry = entry->next;
+	}
+	len = 8 + count * sizeof(BSSID_INFO);
+	p = os_zalloc(len);
+	if (p == NULL)
+		return -1;
+
+	p->Length = len;
+	p->BSSIDInfoCount = count;
+	entry = drv->pmkid;
+	for (i = 0; i < count; i++) {
+		os_memcpy(&p->BSSIDInfo[i].BSSID, entry->bssid, ETH_ALEN);
+		os_memcpy(&p->BSSIDInfo[i].PMKID, entry->pmkid, 16);
+		entry = entry->next;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "NDIS: OID_802_11_PMKID", (u8 *) p, len);
+	ret = ndis_set_oid(drv, OID_802_11_PMKID, (char *) p, len);
+	os_free(p);
+	return ret;
+}
+
+
+static int wpa_driver_ndis_add_pmkid(void *priv, const u8 *bssid,
+				     const u8 *pmkid)
+{
+	struct wpa_driver_ndis_data *drv = priv;
+	struct ndis_pmkid_entry *entry, *prev;
+
+	if (drv->no_of_pmkid == 0)
+		return 0;
+
+	prev = NULL;
+	entry = drv->pmkid;
+	while (entry) {
+		if (os_memcmp(entry->bssid, bssid, ETH_ALEN) == 0)
+			break;
+		prev = entry;
+		entry = entry->next;
+	}
+
+	if (entry) {
+		/* Replace existing entry for this BSSID and move it into the
+		 * beginning of the list. */
+		os_memcpy(entry->pmkid, pmkid, 16);
+		if (prev) {
+			prev->next = entry->next;
+			entry->next = drv->pmkid;
+			drv->pmkid = entry;
+		}
+	} else {
+		entry = os_malloc(sizeof(*entry));
+		if (entry) {
+			os_memcpy(entry->bssid, bssid, ETH_ALEN);
+			os_memcpy(entry->pmkid, pmkid, 16);
+			entry->next = drv->pmkid;
+			drv->pmkid = entry;
+		}
+	}
+
+	return wpa_driver_ndis_set_pmkid(drv);
+}
+
+
+static int wpa_driver_ndis_remove_pmkid(void *priv, const u8 *bssid,
+		 			const u8 *pmkid)
+{
+	struct wpa_driver_ndis_data *drv = priv;
+	struct ndis_pmkid_entry *entry, *prev;
+
+	if (drv->no_of_pmkid == 0)
+		return 0;
+
+	entry = drv->pmkid;
+	prev = NULL;
+	while (entry) {
+		if (os_memcmp(entry->bssid, bssid, ETH_ALEN) == 0 &&
+		    os_memcmp(entry->pmkid, pmkid, 16) == 0) {
+			if (prev)
+				prev->next = entry->next;
+			else
+				drv->pmkid = entry->next;
+			os_free(entry);
+			break;
+		}
+		prev = entry;
+		entry = entry->next;
+	}
+	return wpa_driver_ndis_set_pmkid(drv);
+}
+
+
+static int wpa_driver_ndis_flush_pmkid(void *priv)
+{
+	struct wpa_driver_ndis_data *drv = priv;
+	NDIS_802_11_PMKID p;
+	struct ndis_pmkid_entry *pmkid, *prev;
+	int prev_authmode, ret;
+
+	if (drv->no_of_pmkid == 0)
+		return 0;
+
+	pmkid = drv->pmkid;
+	drv->pmkid = NULL;
+	while (pmkid) {
+		prev = pmkid;
+		pmkid = pmkid->next;
+		os_free(prev);
+	}
+
+	/*
+	 * Some drivers may refuse OID_802_11_PMKID if authMode is not set to
+	 * WPA2, so change authMode temporarily, if needed.
+	 */
+	prev_authmode = ndis_get_auth_mode(drv);
+	if (prev_authmode != Ndis802_11AuthModeWPA2)
+		ndis_set_auth_mode(drv, Ndis802_11AuthModeWPA2);
+
+	os_memset(&p, 0, sizeof(p));
+	p.Length = 8;
+	p.BSSIDInfoCount = 0;
+	wpa_hexdump(MSG_MSGDUMP, "NDIS: OID_802_11_PMKID (flush)",
+		    (u8 *) &p, 8);
+	ret = ndis_set_oid(drv, OID_802_11_PMKID, (char *) &p, 8);
+
+	if (prev_authmode != Ndis802_11AuthModeWPA2)
+		ndis_set_auth_mode(drv, prev_authmode);
+
+	return ret;
+}
+
+
+static int wpa_driver_ndis_get_associnfo(struct wpa_driver_ndis_data *drv)
+{
+	char buf[512], *pos;
+	NDIS_802_11_ASSOCIATION_INFORMATION *ai;
+	int len;
+	union wpa_event_data data;
+	NDIS_802_11_BSSID_LIST_EX *b;
+	size_t blen, i;
+
+	len = ndis_get_oid(drv, OID_802_11_ASSOCIATION_INFORMATION, buf,
+			   sizeof(buf));
+	if (len < 0) {
+		wpa_printf(MSG_DEBUG, "NDIS: failed to get association "
+			   "information");
+		return -1;
+	}
+	if (len > sizeof(buf)) {
+		/* Some drivers seem to be producing incorrect length for this
+		 * data. Limit the length to the current buffer size to avoid
+		 * crashing in hexdump. The data seems to be otherwise valid,
+		 * so better try to use it. */
+		wpa_printf(MSG_DEBUG, "NDIS: ignored bogus association "
+			   "information length %d", len);
+		len = ndis_get_oid(drv, OID_802_11_ASSOCIATION_INFORMATION,
+				   buf, sizeof(buf));
+		if (len < -1) {
+			wpa_printf(MSG_DEBUG, "NDIS: re-reading association "
+				   "information failed");
+			return -1;
+		}
+		if (len > sizeof(buf)) {
+			wpa_printf(MSG_DEBUG, "NDIS: ignored bogus association"
+				   " information length %d (re-read)", len);
+			len = sizeof(buf);
+		}
+	}
+	wpa_hexdump(MSG_MSGDUMP, "NDIS: association information",
+		    (u8 *) buf, len);
+	if (len < sizeof(*ai)) {
+		wpa_printf(MSG_DEBUG, "NDIS: too short association "
+			   "information");
+		return -1;
+	}
+	ai = (NDIS_802_11_ASSOCIATION_INFORMATION *) buf;
+	wpa_printf(MSG_DEBUG, "NDIS: ReqFixed=0x%x RespFixed=0x%x off_req=%d "
+		   "off_resp=%d len_req=%d len_resp=%d",
+		   ai->AvailableRequestFixedIEs, ai->AvailableResponseFixedIEs,
+		   (int) ai->OffsetRequestIEs, (int) ai->OffsetResponseIEs,
+		   (int) ai->RequestIELength, (int) ai->ResponseIELength);
+
+	if (ai->OffsetRequestIEs + ai->RequestIELength > (unsigned) len ||
+	    ai->OffsetResponseIEs + ai->ResponseIELength > (unsigned) len) {
+		wpa_printf(MSG_DEBUG, "NDIS: association information - "
+			   "IE overflow");
+		return -1;
+	}
+
+	wpa_hexdump(MSG_MSGDUMP, "NDIS: Request IEs",
+		    (u8 *) buf + ai->OffsetRequestIEs, ai->RequestIELength);
+	wpa_hexdump(MSG_MSGDUMP, "NDIS: Response IEs",
+		    (u8 *) buf + ai->OffsetResponseIEs, ai->ResponseIELength);
+
+	os_memset(&data, 0, sizeof(data));
+	data.assoc_info.req_ies = (u8 *) buf + ai->OffsetRequestIEs;
+	data.assoc_info.req_ies_len = ai->RequestIELength;
+	data.assoc_info.resp_ies = (u8 *) buf + ai->OffsetResponseIEs;
+	data.assoc_info.resp_ies_len = ai->ResponseIELength;
+
+	blen = 65535;
+	b = os_zalloc(blen);
+	if (b == NULL)
+		goto skip_scan_results;
+	len = ndis_get_oid(drv, OID_802_11_BSSID_LIST, (char *) b, blen);
+	if (len < 0) {
+		wpa_printf(MSG_DEBUG, "NDIS: failed to get scan results");
+		os_free(b);
+		b = NULL;
+		goto skip_scan_results;
+	}
+	wpa_printf(MSG_DEBUG, "NDIS: %d BSSID items to process for AssocInfo",
+		   (unsigned int) b->NumberOfItems);
+
+	pos = (char *) &b->Bssid[0];
+	for (i = 0; i < b->NumberOfItems; i++) {
+		NDIS_WLAN_BSSID_EX *bss = (NDIS_WLAN_BSSID_EX *) pos;
+		if (os_memcmp(drv->bssid, bss->MacAddress, ETH_ALEN) == 0 &&
+		    bss->IELength > sizeof(NDIS_802_11_FIXED_IEs)) {
+			data.assoc_info.beacon_ies =
+				((u8 *) bss->IEs) +
+				sizeof(NDIS_802_11_FIXED_IEs);
+			data.assoc_info.beacon_ies_len =
+				bss->IELength - sizeof(NDIS_802_11_FIXED_IEs);
+			wpa_hexdump(MSG_MSGDUMP, "NDIS: Beacon IEs",
+				    data.assoc_info.beacon_ies,
+				    data.assoc_info.beacon_ies_len);
+			break;
+		}
+		pos += bss->Length;
+		if (pos > (char *) b + blen)
+			break;
+	}
+
+skip_scan_results:
+	wpa_supplicant_event(drv->ctx, EVENT_ASSOCINFO, &data);
+
+	os_free(b);
+
+	return 0;
+}
+
+
+static void wpa_driver_ndis_poll_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_driver_ndis_data *drv = eloop_ctx;
+	u8 bssid[ETH_ALEN];
+	int poll;
+
+	if (drv->wired)
+		return;
+
+	if (wpa_driver_ndis_get_bssid(drv, bssid)) {
+		/* Disconnected */
+		if (!is_zero_ether_addr(drv->bssid)) {
+			os_memset(drv->bssid, 0, ETH_ALEN);
+			wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
+		}
+	} else {
+		/* Connected */
+		if (os_memcmp(drv->bssid, bssid, ETH_ALEN) != 0) {
+			os_memcpy(drv->bssid, bssid, ETH_ALEN);
+			wpa_driver_ndis_get_associnfo(drv);
+			wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
+		}
+	}
+
+	/* When using integrated NDIS event receiver, we can skip BSSID
+	 * polling when using infrastructure network. However, when using
+	 * IBSS mode, many driver do not seem to generate connection event,
+	 * so we need to enable BSSID polling to figure out when IBSS network
+	 * has been formed.
+	 */
+	poll = drv->mode == IEEE80211_MODE_IBSS;
+#ifndef CONFIG_NDIS_EVENTS_INTEGRATED
+#ifndef _WIN32_WCE
+	poll = 1;
+#endif /* _WIN32_WCE */
+#endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
+
+	if (poll) {
+		eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout,
+					drv, NULL);
+	}
+}
+
+
+static void wpa_driver_ndis_poll(void *priv)
+{
+	struct wpa_driver_ndis_data *drv = priv;
+	eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
+	wpa_driver_ndis_poll_timeout(drv, NULL);
+}
+
+
+/* Called when driver generates Media Connect Event by calling
+ * NdisMIndicateStatus() with NDIS_STATUS_MEDIA_CONNECT */
+void wpa_driver_ndis_event_connect(struct wpa_driver_ndis_data *drv)
+{
+	wpa_printf(MSG_DEBUG, "NDIS: Media Connect Event");
+	if (wpa_driver_ndis_get_bssid(drv, drv->bssid) == 0) {
+		wpa_driver_ndis_get_associnfo(drv);
+		wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
+	}
+}
+
+
+/* Called when driver generates Media Disconnect Event by calling
+ * NdisMIndicateStatus() with NDIS_STATUS_MEDIA_DISCONNECT */
+void wpa_driver_ndis_event_disconnect(struct wpa_driver_ndis_data *drv)
+{
+	wpa_printf(MSG_DEBUG, "NDIS: Media Disconnect Event");
+	os_memset(drv->bssid, 0, ETH_ALEN);
+	wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
+}
+
+
+static void wpa_driver_ndis_event_auth(struct wpa_driver_ndis_data *drv,
+				       const u8 *data, size_t data_len)
+{
+	NDIS_802_11_AUTHENTICATION_REQUEST *req;
+	int pairwise = 0, group = 0;
+	union wpa_event_data event;
+
+	if (data_len < sizeof(*req)) {
+		wpa_printf(MSG_DEBUG, "NDIS: Too short Authentication Request "
+			   "Event (len=%d)", data_len);
+		return;
+	}
+	req = (NDIS_802_11_AUTHENTICATION_REQUEST *) data;
+
+	wpa_printf(MSG_DEBUG, "NDIS: Authentication Request Event: "
+		   "Bssid " MACSTR " Flags 0x%x",
+		   MAC2STR(req->Bssid), (int) req->Flags);
+
+	if ((req->Flags & NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR) ==
+	    NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR)
+		pairwise = 1;
+	else if ((req->Flags & NDIS_802_11_AUTH_REQUEST_GROUP_ERROR) ==
+	    NDIS_802_11_AUTH_REQUEST_GROUP_ERROR)
+		group = 1;
+
+	if (pairwise || group) {
+		os_memset(&event, 0, sizeof(event));
+		event.michael_mic_failure.unicast = pairwise;
+		wpa_supplicant_event(drv->ctx, EVENT_MICHAEL_MIC_FAILURE,
+				     &event);
+	}
+}
+
+
+static void wpa_driver_ndis_event_pmkid(struct wpa_driver_ndis_data *drv,
+					const u8 *data, size_t data_len)
+{
+	NDIS_802_11_PMKID_CANDIDATE_LIST *pmkid;
+	size_t i;
+	union wpa_event_data event;
+
+	if (data_len < 8) {
+		wpa_printf(MSG_DEBUG, "NDIS: Too short PMKID Candidate List "
+			   "Event (len=%d)", data_len);
+		return;
+	}
+	pmkid = (NDIS_802_11_PMKID_CANDIDATE_LIST *) data;
+	wpa_printf(MSG_DEBUG, "NDIS: PMKID Candidate List Event - Version %d "
+		   "NumCandidates %d",
+		   (int) pmkid->Version, (int) pmkid->NumCandidates);
+
+	if (pmkid->Version != 1) {
+		wpa_printf(MSG_DEBUG, "NDIS: Unsupported PMKID Candidate List "
+			   "Version %d", (int) pmkid->Version);
+		return;
+	}
+
+	if (data_len < 8 + pmkid->NumCandidates * sizeof(PMKID_CANDIDATE)) {
+		wpa_printf(MSG_DEBUG, "NDIS: PMKID Candidate List underflow");
+		return;
+	}
+
+	os_memset(&event, 0, sizeof(event));
+	for (i = 0; i < pmkid->NumCandidates; i++) {
+		PMKID_CANDIDATE *p = &pmkid->CandidateList[i];
+		wpa_printf(MSG_DEBUG, "NDIS: %d: " MACSTR " Flags 0x%x",
+			   i, MAC2STR(p->BSSID), (int) p->Flags);
+		os_memcpy(event.pmkid_candidate.bssid, p->BSSID, ETH_ALEN);
+		event.pmkid_candidate.index = i;
+		event.pmkid_candidate.preauth =
+			p->Flags & NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED;
+		wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE,
+				     &event);
+	}
+}
+
+
+/* Called when driver calls NdisMIndicateStatus() with
+ * NDIS_STATUS_MEDIA_SPECIFIC_INDICATION */
+void wpa_driver_ndis_event_media_specific(struct wpa_driver_ndis_data *drv,
+					  const u8 *data, size_t data_len)
+{
+	NDIS_802_11_STATUS_INDICATION *status;
+
+	if (data == NULL || data_len < sizeof(*status))
+		return;
+
+	wpa_hexdump(MSG_DEBUG, "NDIS: Media Specific Indication",
+		    data, data_len);
+
+	status = (NDIS_802_11_STATUS_INDICATION *) data;
+	data += sizeof(status);
+	data_len -= sizeof(status);
+
+	switch (status->StatusType) {
+	case Ndis802_11StatusType_Authentication:
+		wpa_driver_ndis_event_auth(drv, data, data_len);
+		break;
+	case Ndis802_11StatusType_PMKID_CandidateList:
+		wpa_driver_ndis_event_pmkid(drv, data, data_len);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "NDIS: Unknown StatusType %d",
+			   (int) status->StatusType);
+		break;
+	}
+}
+
+
+/* Called when an adapter is added */
+void wpa_driver_ndis_event_adapter_arrival(struct wpa_driver_ndis_data *drv)
+{
+	union wpa_event_data event;
+	int i;
+
+	wpa_printf(MSG_DEBUG, "NDIS: Notify Adapter Arrival");
+
+	for (i = 0; i < 30; i++) {
+		/* Re-open Packet32/NDISUIO connection */
+		wpa_driver_ndis_adapter_close(drv);
+		if (wpa_driver_ndis_adapter_init(drv) < 0 ||
+		    wpa_driver_ndis_adapter_open(drv) < 0) {
+			wpa_printf(MSG_DEBUG, "NDIS: Driver re-initialization "
+				   "(%d) failed", i);
+			os_sleep(1, 0);
+		} else {
+			wpa_printf(MSG_DEBUG, "NDIS: Driver re-initialized");
+			break;
+		}
+	}
+
+	os_memset(&event, 0, sizeof(event));
+	os_strlcpy(event.interface_status.ifname, drv->ifname,
+		   sizeof(event.interface_status.ifname));
+	event.interface_status.ievent = EVENT_INTERFACE_ADDED;
+	wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
+}
+
+
+/* Called when an adapter is removed */
+void wpa_driver_ndis_event_adapter_removal(struct wpa_driver_ndis_data *drv)
+{
+	union wpa_event_data event;
+
+	wpa_printf(MSG_DEBUG, "NDIS: Notify Adapter Removal");
+	os_memset(&event, 0, sizeof(event));
+	os_strlcpy(event.interface_status.ifname, drv->ifname,
+		   sizeof(event.interface_status.ifname));
+	event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
+	wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
+}
+
+
+static void
+wpa_driver_ndis_get_wpa_capability(struct wpa_driver_ndis_data *drv)
+{
+	wpa_printf(MSG_DEBUG, "NDIS: verifying driver WPA capability");
+
+	if (ndis_set_auth_mode(drv, Ndis802_11AuthModeWPA) == 0 &&
+	    ndis_get_auth_mode(drv) == Ndis802_11AuthModeWPA) {
+		wpa_printf(MSG_DEBUG, "NDIS: WPA key management supported");
+		drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA;
+	}
+
+	if (ndis_set_auth_mode(drv, Ndis802_11AuthModeWPAPSK) == 0 &&
+	    ndis_get_auth_mode(drv) == Ndis802_11AuthModeWPAPSK) {
+		wpa_printf(MSG_DEBUG, "NDIS: WPA-PSK key management "
+			   "supported");
+		drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
+	}
+
+	if (ndis_set_encr_status(drv, Ndis802_11Encryption3Enabled) == 0 &&
+	    ndis_get_encr_status(drv) == Ndis802_11Encryption3KeyAbsent) {
+		wpa_printf(MSG_DEBUG, "NDIS: CCMP encryption supported");
+		drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
+	}
+
+	if (ndis_set_encr_status(drv, Ndis802_11Encryption2Enabled) == 0 &&
+	    ndis_get_encr_status(drv) == Ndis802_11Encryption2KeyAbsent) {
+		wpa_printf(MSG_DEBUG, "NDIS: TKIP encryption supported");
+		drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
+	}
+
+	if (ndis_set_encr_status(drv, Ndis802_11Encryption1Enabled) == 0 &&
+	    ndis_get_encr_status(drv) == Ndis802_11Encryption1KeyAbsent) {
+		wpa_printf(MSG_DEBUG, "NDIS: WEP encryption supported");
+		drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 |
+			WPA_DRIVER_CAPA_ENC_WEP104;
+	}
+
+	if (ndis_set_auth_mode(drv, Ndis802_11AuthModeShared) == 0 &&
+	    ndis_get_auth_mode(drv) == Ndis802_11AuthModeShared) {
+		drv->capa.auth |= WPA_DRIVER_AUTH_SHARED;
+	}
+
+	if (ndis_set_auth_mode(drv, Ndis802_11AuthModeOpen) == 0 &&
+	    ndis_get_auth_mode(drv) == Ndis802_11AuthModeOpen) {
+		drv->capa.auth |= WPA_DRIVER_AUTH_OPEN;
+	}
+
+	ndis_set_encr_status(drv, Ndis802_11EncryptionDisabled);
+
+	/* Could also verify OID_802_11_ADD_KEY error reporting and
+	 * support for OID_802_11_ASSOCIATION_INFORMATION. */
+
+	if (drv->capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA &&
+	    drv->capa.enc & (WPA_DRIVER_CAPA_ENC_TKIP |
+			     WPA_DRIVER_CAPA_ENC_CCMP)) {
+		wpa_printf(MSG_DEBUG, "NDIS: driver supports WPA");
+		drv->has_capability = 1;
+	} else {
+		wpa_printf(MSG_DEBUG, "NDIS: no WPA support found");
+	}
+
+	wpa_printf(MSG_DEBUG, "NDIS: driver capabilities: key_mgmt 0x%x "
+		   "enc 0x%x auth 0x%x",
+		   drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth);
+}
+
+
+static void wpa_driver_ndis_get_capability(struct wpa_driver_ndis_data *drv)
+{
+	char buf[512];
+	int len;
+	size_t i;
+	NDIS_802_11_CAPABILITY *c;
+
+	drv->capa.flags = WPA_DRIVER_FLAGS_DRIVER_IE;
+
+	len = ndis_get_oid(drv, OID_802_11_CAPABILITY, buf, sizeof(buf));
+	if (len < 0) {
+		wpa_driver_ndis_get_wpa_capability(drv);
+		return;
+	}
+
+	wpa_hexdump(MSG_MSGDUMP, "OID_802_11_CAPABILITY", (u8 *) buf, len);
+	c = (NDIS_802_11_CAPABILITY *) buf;
+	if (len < sizeof(*c) || c->Version != 2) {
+		wpa_printf(MSG_DEBUG, "NDIS: unsupported "
+			   "OID_802_11_CAPABILITY data");
+		return;
+	}
+	wpa_printf(MSG_DEBUG, "NDIS: Driver supports OID_802_11_CAPABILITY - "
+		   "NoOfPMKIDs %d NoOfAuthEncrPairs %d",
+		   (int) c->NoOfPMKIDs,
+		   (int) c->NoOfAuthEncryptPairsSupported);
+	drv->has_capability = 1;
+	drv->no_of_pmkid = c->NoOfPMKIDs;
+	for (i = 0; i < c->NoOfAuthEncryptPairsSupported; i++) {
+		NDIS_802_11_AUTHENTICATION_ENCRYPTION *ae;
+		ae = &c->AuthenticationEncryptionSupported[i];
+		if ((char *) (ae + 1) > buf + len) {
+			wpa_printf(MSG_DEBUG, "NDIS: auth/encr pair list "
+				   "overflow");
+			break;
+		}
+		wpa_printf(MSG_MSGDUMP, "NDIS: %d - auth %d encr %d",
+			   i, (int) ae->AuthModeSupported,
+			   (int) ae->EncryptStatusSupported);
+		switch (ae->AuthModeSupported) {
+		case Ndis802_11AuthModeOpen:
+			drv->capa.auth |= WPA_DRIVER_AUTH_OPEN;
+			break;
+		case Ndis802_11AuthModeShared:
+			drv->capa.auth |= WPA_DRIVER_AUTH_SHARED;
+			break;
+		case Ndis802_11AuthModeWPA:
+			drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA;
+			break;
+		case Ndis802_11AuthModeWPAPSK:
+			drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
+			break;
+		case Ndis802_11AuthModeWPA2:
+			drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA2;
+			break;
+		case Ndis802_11AuthModeWPA2PSK:
+			drv->capa.key_mgmt |=
+				WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
+			break;
+		case Ndis802_11AuthModeWPANone:
+			drv->capa.key_mgmt |=
+				WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE;
+			break;
+		default:
+			break;
+		}
+		switch (ae->EncryptStatusSupported) {
+		case Ndis802_11Encryption1Enabled:
+			drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40;
+			drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP104;
+			break;
+		case Ndis802_11Encryption2Enabled:
+			drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
+			break;
+		case Ndis802_11Encryption3Enabled:
+			drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
+			break;
+		default:
+			break;
+		}
+	}
+
+	wpa_printf(MSG_DEBUG, "NDIS: driver capabilities: key_mgmt 0x%x "
+		   "enc 0x%x auth 0x%x",
+		   drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth);
+}
+
+
+static int wpa_driver_ndis_get_capa(void *priv, struct wpa_driver_capa *capa)
+{
+	struct wpa_driver_ndis_data *drv = priv;
+	if (!drv->has_capability)
+		return -1;
+	os_memcpy(capa, &drv->capa, sizeof(*capa));
+	return 0;
+}
+
+
+static const char * wpa_driver_ndis_get_ifname(void *priv)
+{
+	struct wpa_driver_ndis_data *drv = priv;
+	return drv->ifname;
+}
+
+
+static const u8 * wpa_driver_ndis_get_mac_addr(void *priv)
+{
+	struct wpa_driver_ndis_data *drv = priv;
+	return drv->own_addr;
+}
+
+
+#ifdef _WIN32_WCE
+
+#define NDISUIO_MSG_SIZE (sizeof(NDISUIO_DEVICE_NOTIFICATION) + 512)
+
+static void ndisuio_notification_receive(void *eloop_data, void *user_ctx)
+{
+	struct wpa_driver_ndis_data *drv = eloop_data;
+	NDISUIO_DEVICE_NOTIFICATION *hdr;
+	u8 buf[NDISUIO_MSG_SIZE];
+	DWORD len, flags;
+
+	if (!ReadMsgQueue(drv->event_queue, buf, NDISUIO_MSG_SIZE, &len, 0,
+			  &flags)) {
+		wpa_printf(MSG_DEBUG, "ndisuio_notification_receive: "
+			   "ReadMsgQueue failed: %d", (int) GetLastError());
+		return;
+	}
+
+	if (len < sizeof(NDISUIO_DEVICE_NOTIFICATION)) {
+		wpa_printf(MSG_DEBUG, "ndisuio_notification_receive: "
+			   "Too short message (len=%d)", (int) len);
+		return;
+	}
+
+	hdr = (NDISUIO_DEVICE_NOTIFICATION *) buf;
+	wpa_printf(MSG_DEBUG, "NDIS: Notification received: len=%d type=0x%x",
+		   (int) len, hdr->dwNotificationType);
+
+	switch (hdr->dwNotificationType) {
+#ifdef NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL
+	case NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL:
+		wpa_printf(MSG_DEBUG, "NDIS: ADAPTER_ARRIVAL");
+		wpa_driver_ndis_event_adapter_arrival(drv);
+		break;
+#endif
+#ifdef NDISUIO_NOTIFICATION_ADAPTER_REMOVAL
+	case NDISUIO_NOTIFICATION_ADAPTER_REMOVAL:
+		wpa_printf(MSG_DEBUG, "NDIS: ADAPTER_REMOVAL");
+		wpa_driver_ndis_event_adapter_removal(drv);
+		break;
+#endif
+	case NDISUIO_NOTIFICATION_MEDIA_CONNECT:
+		wpa_printf(MSG_DEBUG, "NDIS: MEDIA_CONNECT");
+		SetEvent(drv->connected_event);
+		wpa_driver_ndis_event_connect(drv);
+		break;
+	case NDISUIO_NOTIFICATION_MEDIA_DISCONNECT:
+		ResetEvent(drv->connected_event);
+		wpa_printf(MSG_DEBUG, "NDIS: MEDIA_DISCONNECT");
+		wpa_driver_ndis_event_disconnect(drv);
+		break;
+	case NDISUIO_NOTIFICATION_MEDIA_SPECIFIC_NOTIFICATION:
+		wpa_printf(MSG_DEBUG, "NDIS: MEDIA_SPECIFIC_NOTIFICATION");
+#if _WIN32_WCE == 420 || _WIN32_WCE == 0x420
+		wpa_driver_ndis_event_media_specific(
+			drv, hdr->pvStatusBuffer, hdr->uiStatusBufferSize);
+#else
+		wpa_driver_ndis_event_media_specific(
+			drv, ((const u8 *) hdr) + hdr->uiOffsetToStatusBuffer,
+			(size_t) hdr->uiStatusBufferSize);
+#endif
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "NDIS: Unknown notification type 0x%x",
+			   hdr->dwNotificationType);
+		break;
+	}
+}
+
+
+static void ndisuio_notification_deinit(struct wpa_driver_ndis_data *drv)
+{
+	NDISUIO_REQUEST_NOTIFICATION req;
+
+	memset(&req, 0, sizeof(req));
+	req.hMsgQueue = drv->event_queue;
+	req.dwNotificationTypes = 0;
+
+	if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_REQUEST_NOTIFICATION,
+			     &req, sizeof(req), NULL, 0, NULL, NULL)) {
+		wpa_printf(MSG_INFO, "ndisuio_notification_deinit: "
+			   "IOCTL_NDISUIO_REQUEST_NOTIFICATION failed: %d",
+			   (int) GetLastError());
+	}
+
+	if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_CANCEL_NOTIFICATION,
+			     NULL, 0, NULL, 0, NULL, NULL)) {
+		wpa_printf(MSG_INFO, "ndisuio_notification_deinit: "
+			   "IOCTL_NDISUIO_CANCEL_NOTIFICATION failed: %d",
+			   (int) GetLastError());
+	}
+
+	if (drv->event_queue) {
+		eloop_unregister_event(drv->event_queue,
+				       sizeof(drv->event_queue));
+		CloseHandle(drv->event_queue);
+		drv->event_queue = NULL;
+	}
+
+	if (drv->connected_event) {
+		CloseHandle(drv->connected_event);
+		drv->connected_event = NULL;
+	}
+}
+
+
+static int ndisuio_notification_init(struct wpa_driver_ndis_data *drv)
+{
+	MSGQUEUEOPTIONS opt;
+	NDISUIO_REQUEST_NOTIFICATION req;
+
+	drv->connected_event =
+		CreateEvent(NULL, TRUE, FALSE, TEXT("WpaSupplicantConnected"));
+	if (drv->connected_event == NULL) {
+		wpa_printf(MSG_INFO, "ndisuio_notification_init: "
+			   "CreateEvent failed: %d",
+			   (int) GetLastError());
+		return -1;
+	}
+
+	memset(&opt, 0, sizeof(opt));
+	opt.dwSize = sizeof(opt);
+	opt.dwMaxMessages = 5;
+	opt.cbMaxMessage = NDISUIO_MSG_SIZE;
+	opt.bReadAccess = TRUE;
+
+	drv->event_queue = CreateMsgQueue(NULL, &opt);
+	if (drv->event_queue == NULL) {
+		wpa_printf(MSG_INFO, "ndisuio_notification_init: "
+			   "CreateMsgQueue failed: %d",
+			   (int) GetLastError());
+		ndisuio_notification_deinit(drv);
+		return -1;
+	}
+
+	memset(&req, 0, sizeof(req));
+	req.hMsgQueue = drv->event_queue;
+	req.dwNotificationTypes =
+#ifdef NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL
+		NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL |
+#endif
+#ifdef NDISUIO_NOTIFICATION_ADAPTER_REMOVAL
+		NDISUIO_NOTIFICATION_ADAPTER_REMOVAL |
+#endif
+		NDISUIO_NOTIFICATION_MEDIA_CONNECT |
+		NDISUIO_NOTIFICATION_MEDIA_DISCONNECT |
+		NDISUIO_NOTIFICATION_MEDIA_SPECIFIC_NOTIFICATION;
+
+	if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_REQUEST_NOTIFICATION,
+			     &req, sizeof(req), NULL, 0, NULL, NULL)) {
+		wpa_printf(MSG_INFO, "ndisuio_notification_init: "
+			   "IOCTL_NDISUIO_REQUEST_NOTIFICATION failed: %d",
+			   (int) GetLastError());
+		ndisuio_notification_deinit(drv);
+		return -1;
+	}
+
+	eloop_register_event(drv->event_queue, sizeof(drv->event_queue),
+			     ndisuio_notification_receive, drv, NULL);
+
+	return 0;
+}
+#endif /* _WIN32_WCE */
+
+
+static int wpa_driver_ndis_get_names(struct wpa_driver_ndis_data *drv)
+{
+#ifdef CONFIG_USE_NDISUIO
+	NDISUIO_QUERY_BINDING *b;
+	size_t blen = sizeof(*b) + 1024;
+	int i, error, found = 0;
+	DWORD written;
+	char name[256], desc[256], *dpos;
+	WCHAR *pos;
+	size_t j, len, dlen;
+
+	b = os_malloc(blen);
+	if (b == NULL)
+		return -1;
+
+	for (i = 0; ; i++) {
+		os_memset(b, 0, blen);
+		b->BindingIndex = i;
+		if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_QUERY_BINDING,
+				     b, sizeof(NDISUIO_QUERY_BINDING), b, blen,
+				     &written, NULL)) {
+			error = (int) GetLastError();
+			if (error == ERROR_NO_MORE_ITEMS)
+				break;
+			wpa_printf(MSG_DEBUG, "IOCTL_NDISUIO_QUERY_BINDING "
+				   "failed: %d", error);
+			break;
+		}
+
+		pos = (WCHAR *) ((char *) b + b->DeviceNameOffset);
+		len = b->DeviceNameLength;
+		if (len >= sizeof(name))
+			len = sizeof(name) - 1;
+		for (j = 0; j < len; j++)
+			name[j] = (char) pos[j];
+		name[len] = '\0';
+
+		pos = (WCHAR *) ((char *) b + b->DeviceDescrOffset);
+		len = b->DeviceDescrLength;
+		if (len >= sizeof(desc))
+			len = sizeof(desc) - 1;
+		for (j = 0; j < len; j++)
+			desc[j] = (char) pos[j];
+		desc[len] = '\0';
+
+		wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s", i, name, desc);
+
+		if (os_strstr(name, drv->ifname)) {
+			wpa_printf(MSG_DEBUG, "NDIS: Interface name match");
+			found = 1;
+			break;
+		}
+
+		if (os_strncmp(desc, drv->ifname, os_strlen(drv->ifname)) == 0)
+		{
+			wpa_printf(MSG_DEBUG, "NDIS: Interface description "
+				   "match");
+			found = 1;
+			break;
+		}
+	}
+
+	if (!found) {
+		wpa_printf(MSG_DEBUG, "NDIS: Could not find interface '%s'",
+			   drv->ifname);
+		os_free(b);
+		return -1;
+	}
+
+	os_strlcpy(drv->ifname,
+		   os_strncmp(name, "\\DEVICE\\", 8) == 0 ? name + 8 : name,
+		   sizeof(drv->ifname));
+#ifdef _WIN32_WCE
+	drv->adapter_name = wpa_strdup_tchar(drv->ifname);
+	if (drv->adapter_name == NULL) {
+		wpa_printf(MSG_ERROR, "NDIS: Failed to allocate memory for "
+			   "adapter name");
+		os_free(b);
+		return -1;
+	}
+#endif /* _WIN32_WCE */
+
+	dpos = os_strstr(desc, " - ");
+	if (dpos)
+		dlen = dpos - desc;
+	else
+		dlen = os_strlen(desc);
+	drv->adapter_desc = os_malloc(dlen + 1);
+	if (drv->adapter_desc) {
+		os_memcpy(drv->adapter_desc, desc, dlen);
+		drv->adapter_desc[dlen] = '\0';
+	}
+
+	os_free(b);
+
+	if (drv->adapter_desc == NULL)
+		return -1;
+
+	wpa_printf(MSG_DEBUG, "NDIS: Adapter description prefix '%s'",
+		   drv->adapter_desc);
+
+	return 0;
+#else /* CONFIG_USE_NDISUIO */
+	PTSTR _names;
+	char *names, *pos, *pos2;
+	ULONG len;
+	BOOLEAN res;
+#define MAX_ADAPTERS 32
+	char *name[MAX_ADAPTERS];
+	char *desc[MAX_ADAPTERS];
+	int num_name, num_desc, i, found_name, found_desc;
+	size_t dlen;
+
+	wpa_printf(MSG_DEBUG, "NDIS: Packet.dll version: %s",
+		   PacketGetVersion());
+
+	len = 8192;
+	_names = os_zalloc(len);
+	if (_names == NULL)
+		return -1;
+
+	res = PacketGetAdapterNames(_names, &len);
+	if (!res && len > 8192) {
+		os_free(_names);
+		_names = os_zalloc(len);
+		if (_names == NULL)
+			return -1;
+		res = PacketGetAdapterNames(_names, &len);
+	}
+
+	if (!res) {
+		wpa_printf(MSG_ERROR, "NDIS: Failed to get adapter list "
+			   "(PacketGetAdapterNames)");
+		os_free(_names);
+		return -1;
+	}
+
+	names = (char *) _names;
+	if (names[0] && names[1] == '\0' && names[2] && names[3] == '\0') {
+		wpa_printf(MSG_DEBUG, "NDIS: Looks like adapter names are in "
+			   "UNICODE");
+		/* Convert to ASCII */
+		pos2 = pos = names;
+		while (pos2 < names + len) {
+			if (pos2[0] == '\0' && pos2[1] == '\0' &&
+			    pos2[2] == '\0' && pos2[3] == '\0') {
+				pos2 += 4;
+				break;
+			}
+			*pos++ = pos2[0];
+			pos2 += 2;
+		}
+		os_memcpy(pos + 2, names, pos - names);
+		pos += 2;
+	} else
+		pos = names;
+
+	num_name = 0;
+	while (pos < names + len) {
+		name[num_name] = pos;
+		while (*pos && pos < names + len)
+			pos++;
+		if (pos + 1 >= names + len) {
+			os_free(names);
+			return -1;
+		}
+		pos++;
+		num_name++;
+		if (num_name >= MAX_ADAPTERS) {
+			wpa_printf(MSG_DEBUG, "NDIS: Too many adapters");
+			os_free(names);
+			return -1;
+		}
+		if (*pos == '\0') {
+			wpa_printf(MSG_DEBUG, "NDIS: %d adapter names found",
+				   num_name);
+			pos++;
+			break;
+		}
+	}
+
+	num_desc = 0;
+	while (pos < names + len) {
+		desc[num_desc] = pos;
+		while (*pos && pos < names + len)
+			pos++;
+		if (pos + 1 >= names + len) {
+			os_free(names);
+			return -1;
+		}
+		pos++;
+		num_desc++;
+		if (num_desc >= MAX_ADAPTERS) {
+			wpa_printf(MSG_DEBUG, "NDIS: Too many adapter "
+				   "descriptions");
+			os_free(names);
+			return -1;
+		}
+		if (*pos == '\0') {
+			wpa_printf(MSG_DEBUG, "NDIS: %d adapter descriptions "
+				   "found", num_name);
+			pos++;
+			break;
+		}
+	}
+
+	/*
+	 * Windows 98 with Packet.dll 3.0 alpha3 does not include adapter
+	 * descriptions. Fill in dummy descriptors to work around this.
+	 */
+	while (num_desc < num_name)
+		desc[num_desc++] = "dummy description";
+
+	if (num_name != num_desc) {
+		wpa_printf(MSG_DEBUG, "NDIS: mismatch in adapter name and "
+			   "description counts (%d != %d)",
+			   num_name, num_desc);
+		os_free(names);
+		return -1;
+	}
+
+	found_name = found_desc = -1;
+	for (i = 0; i < num_name; i++) {
+		wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s",
+			   i, name[i], desc[i]);
+		if (found_name == -1 && os_strstr(name[i], drv->ifname))
+			found_name = i;
+		if (found_desc == -1 &&
+		    os_strncmp(desc[i], drv->ifname, os_strlen(drv->ifname)) ==
+		    0)
+			found_desc = i;
+	}
+
+	if (found_name < 0 && found_desc >= 0) {
+		wpa_printf(MSG_DEBUG, "NDIS: Matched interface '%s' based on "
+			   "description '%s'",
+			   name[found_desc], desc[found_desc]);
+		found_name = found_desc;
+		os_strlcpy(drv->ifname,
+			   os_strncmp(name[found_desc], "\\Device\\NPF_", 12)
+			   == 0 ? name[found_desc] + 12 : name[found_desc],
+			   sizeof(drv->ifname));
+	}
+
+	if (found_name < 0) {
+		wpa_printf(MSG_DEBUG, "NDIS: Could not find interface '%s'",
+			   drv->ifname);
+		os_free(names);
+		return -1;
+	}
+
+	i = found_name;
+	pos = os_strrchr(desc[i], '(');
+	if (pos) {
+		dlen = pos - desc[i];
+		pos--;
+		if (pos > desc[i] && *pos == ' ')
+			dlen--;
+	} else {
+		dlen = os_strlen(desc[i]);
+	}
+	drv->adapter_desc = os_malloc(dlen + 1);
+	if (drv->adapter_desc) {
+		os_memcpy(drv->adapter_desc, desc[i], dlen);
+		drv->adapter_desc[dlen] = '\0';
+	}
+
+	os_free(names);
+
+	if (drv->adapter_desc == NULL)
+		return -1;
+
+	wpa_printf(MSG_DEBUG, "NDIS: Adapter description prefix '%s'",
+		   drv->adapter_desc);
+
+	return 0;
+#endif /* CONFIG_USE_NDISUIO */
+}
+
+
+#if defined(CONFIG_NATIVE_WINDOWS) || defined(__CYGWIN__)
+#ifndef _WIN32_WCE
+/*
+ * These structures are undocumented for WinXP; only WinCE version is
+ * documented. These would be included wzcsapi.h if it were available. Some
+ * changes here have been needed to make the structures match with WinXP SP2.
+ * It is unclear whether these work with any other version.
+ */
+
+typedef struct {
+	LPWSTR wszGuid;
+} INTF_KEY_ENTRY, *PINTF_KEY_ENTRY;
+
+typedef struct {
+	DWORD dwNumIntfs;
+	PINTF_KEY_ENTRY pIntfs;
+} INTFS_KEY_TABLE, *PINTFS_KEY_TABLE;
+
+typedef struct {
+	DWORD dwDataLen;
+	LPBYTE pData;
+} RAW_DATA, *PRAW_DATA;
+
+typedef struct {
+	LPWSTR wszGuid;
+	LPWSTR wszDescr;
+	ULONG ulMediaState;
+	ULONG ulMediaType;
+	ULONG ulPhysicalMediaType;
+	INT nInfraMode;
+	INT nAuthMode;
+	INT nWepStatus;
+#ifndef _WIN32_WCE
+	u8 pad[2]; /* why is this needed? */
+#endif /* _WIN32_WCE */
+	DWORD dwCtlFlags;
+	DWORD dwCapabilities; /* something added for WinXP SP2(?) */
+	RAW_DATA rdSSID;
+	RAW_DATA rdBSSID;
+	RAW_DATA rdBSSIDList;
+	RAW_DATA rdStSSIDList;
+	RAW_DATA rdCtrlData;
+#ifdef UNDER_CE
+	BOOL bInitialized;
+#endif
+	DWORD nWPAMCastCipher;
+	/* add some extra buffer for later additions since this interface is
+	 * far from stable */
+	u8 later_additions[100];
+} INTF_ENTRY, *PINTF_ENTRY;
+
+#define INTF_ALL 0xffffffff
+#define INTF_ALL_FLAGS 0x0000ffff
+#define INTF_CTLFLAGS 0x00000010
+#define INTFCTL_ENABLED 0x8000
+#endif /* _WIN32_WCE */
+
+
+#ifdef _WIN32_WCE
+static int wpa_driver_ndis_rebind_adapter(struct wpa_driver_ndis_data *drv)
+{
+	HANDLE ndis;
+	TCHAR multi[100];
+	int len;
+
+	len = _tcslen(drv->adapter_name);
+	if (len > 80)
+		return -1;
+
+	ndis = CreateFile(DD_NDIS_DEVICE_NAME, GENERIC_READ | GENERIC_WRITE,
+			  0, NULL, OPEN_EXISTING, 0, NULL);
+	if (ndis == INVALID_HANDLE_VALUE) {
+		wpa_printf(MSG_DEBUG, "NDIS: Failed to open file to NDIS "
+			   "device: %d", (int) GetLastError());
+		return -1;
+	}
+
+	len++;
+	memcpy(multi, drv->adapter_name, len * sizeof(TCHAR));
+	memcpy(&multi[len], TEXT("NDISUIO\0"), 9 * sizeof(TCHAR));
+	len += 9;
+
+	if (!DeviceIoControl(ndis, IOCTL_NDIS_REBIND_ADAPTER,
+			     multi, len * sizeof(TCHAR), NULL, 0, NULL, NULL))
+	{
+		wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDIS_REBIND_ADAPTER "
+			   "failed: 0x%x", (int) GetLastError());
+		wpa_hexdump_ascii(MSG_DEBUG, "NDIS: rebind multi_sz",
+				  (u8 *) multi, len * sizeof(TCHAR));
+		CloseHandle(ndis);
+		return -1;
+	}
+
+	CloseHandle(ndis);
+
+	wpa_printf(MSG_DEBUG, "NDIS: Requested NDIS rebind of NDISUIO "
+		   "protocol");
+
+	return 0;
+}
+#endif /* _WIN32_WCE */
+
+
+static int wpa_driver_ndis_set_wzc(struct wpa_driver_ndis_data *drv,
+				   int enable)
+{
+#ifdef _WIN32_WCE
+	HKEY hk, hk2;
+	LONG ret;
+	DWORD i, hnd, len;
+	TCHAR keyname[256], devname[256];
+
+#define WZC_DRIVER TEXT("Drivers\\BuiltIn\\ZeroConfig")
+
+	if (enable) {
+		HANDLE h;
+		h = ActivateDeviceEx(WZC_DRIVER, NULL, 0, NULL);
+		if (h == INVALID_HANDLE_VALUE || h == 0) {
+			wpa_printf(MSG_DEBUG, "NDIS: Failed to re-enable WZC "
+				   "- ActivateDeviceEx failed: %d",
+				   (int) GetLastError());
+			return -1;
+		}
+
+		wpa_printf(MSG_DEBUG, "NDIS: WZC re-enabled");
+		return wpa_driver_ndis_rebind_adapter(drv);
+	}
+
+	/*
+	 * Unfortunately, just disabling the WZC for an interface is not enough
+	 * to free NDISUIO for us, so need to disable and unload WZC completely
+	 * for now when using WinCE with NDISUIO. In addition, must request
+	 * NDISUIO protocol to be rebound to the adapter in order to free the
+	 * NDISUIO binding that WZC hold before us.
+	 */
+
+	/* Enumerate HKLM\Drivers\Active\* to find a handle to WZC. */
+	ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, DEVLOAD_ACTIVE_KEY, 0, 0, &hk);
+	if (ret != ERROR_SUCCESS) {
+		wpa_printf(MSG_DEBUG, "NDIS: RegOpenKeyEx(DEVLOAD_ACTIVE_KEY) "
+			   "failed: %d %d", (int) ret, (int) GetLastError());
+		return -1;
+	}
+
+	for (i = 0; ; i++) {
+		len = sizeof(keyname);
+		ret = RegEnumKeyEx(hk, i, keyname, &len, NULL, NULL, NULL,
+				   NULL);
+		if (ret != ERROR_SUCCESS) {
+			wpa_printf(MSG_DEBUG, "NDIS: Could not find active "
+				   "WZC - assuming it is not running.");
+			RegCloseKey(hk);
+			return -1;
+		}
+
+		ret = RegOpenKeyEx(hk, keyname, 0, 0, &hk2);
+		if (ret != ERROR_SUCCESS) {
+			wpa_printf(MSG_DEBUG, "NDIS: RegOpenKeyEx(active dev) "
+				   "failed: %d %d",
+				   (int) ret, (int) GetLastError());
+			continue;
+		}
+
+		len = sizeof(devname);
+		ret = RegQueryValueEx(hk2, DEVLOAD_DEVKEY_VALNAME, NULL, NULL,
+				      (LPBYTE) devname, &len);
+		if (ret != ERROR_SUCCESS) {
+			wpa_printf(MSG_DEBUG, "NDIS: RegQueryValueEx("
+				   "DEVKEY_VALNAME) failed: %d %d",
+				   (int) ret, (int) GetLastError());
+			RegCloseKey(hk2);
+			continue;
+		}
+
+		if (_tcscmp(devname, WZC_DRIVER) == 0)
+			break;
+
+		RegCloseKey(hk2);
+	}
+
+	RegCloseKey(hk);
+
+	/* Found WZC - get handle to it. */
+	len = sizeof(hnd);
+	ret = RegQueryValueEx(hk2, DEVLOAD_HANDLE_VALNAME, NULL, NULL,
+			      (PUCHAR) &hnd, &len);
+	if (ret != ERROR_SUCCESS) {
+		wpa_printf(MSG_DEBUG, "NDIS: RegQueryValueEx(HANDLE_VALNAME) "
+			   "failed: %d %d", (int) ret, (int) GetLastError());
+		RegCloseKey(hk2);
+		return -1;
+	}
+
+	RegCloseKey(hk2);
+
+	/* Deactivate WZC */
+	if (!DeactivateDevice((HANDLE) hnd)) {
+		wpa_printf(MSG_DEBUG, "NDIS: DeactivateDevice failed: %d",
+			   (int) GetLastError());
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "NDIS: Disabled WZC temporarily");
+	drv->wzc_disabled = 1;
+	return wpa_driver_ndis_rebind_adapter(drv);
+
+#else /* _WIN32_WCE */
+
+	HMODULE hm;
+	DWORD (WINAPI *wzc_enum_interf)(LPWSTR pSrvAddr,
+					PINTFS_KEY_TABLE pIntfs);
+	DWORD (WINAPI *wzc_query_interf)(LPWSTR pSrvAddr, DWORD dwInFlags,
+					 PINTF_ENTRY pIntf,
+					 LPDWORD pdwOutFlags);
+	DWORD (WINAPI *wzc_set_interf)(LPWSTR pSrvAddr, DWORD dwInFlags,
+				       PINTF_ENTRY pIntf, LPDWORD pdwOutFlags);
+	int ret = -1, j;
+	DWORD res;
+	INTFS_KEY_TABLE guids;
+	INTF_ENTRY intf;
+	char guid[128];
+	WCHAR *pos;
+	DWORD flags, i;
+
+	hm = LoadLibrary(TEXT("wzcsapi.dll"));
+	if (hm == NULL) {
+		wpa_printf(MSG_DEBUG, "NDIS: Failed to load wzcsapi.dll (%u) "
+			   "- WZC probably not running",
+			   (unsigned int) GetLastError());
+		return -1;
+	}
+
+#ifdef _WIN32_WCE
+	wzc_enum_interf = (void *) GetProcAddressA(hm, "WZCEnumInterfaces");
+	wzc_query_interf = (void *) GetProcAddressA(hm, "WZCQueryInterface");
+	wzc_set_interf = (void *) GetProcAddressA(hm, "WZCSetInterface");
+#else /* _WIN32_WCE */
+	wzc_enum_interf = (void *) GetProcAddress(hm, "WZCEnumInterfaces");
+	wzc_query_interf = (void *) GetProcAddress(hm, "WZCQueryInterface");
+	wzc_set_interf = (void *) GetProcAddress(hm, "WZCSetInterface");
+#endif /* _WIN32_WCE */
+
+	if (wzc_enum_interf == NULL || wzc_query_interf == NULL ||
+	    wzc_set_interf == NULL) {
+		wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces, "
+			   "WZCQueryInterface, or WZCSetInterface not found "
+			   "in wzcsapi.dll");
+		goto fail;
+	}
+
+	os_memset(&guids, 0, sizeof(guids));
+	res = wzc_enum_interf(NULL, &guids);
+	if (res != 0) {
+		wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces failed: %d; "
+			   "WZC service is apparently not running",
+			   (int) res);
+		goto fail;
+	}
+
+	wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces: %d interfaces",
+		   (int) guids.dwNumIntfs);
+
+	for (i = 0; i < guids.dwNumIntfs; i++) {
+		pos = guids.pIntfs[i].wszGuid;
+		for (j = 0; j < sizeof(guid); j++) {
+			guid[j] = (char) *pos;
+			if (*pos == 0)
+				break;
+			pos++;
+		}
+		guid[sizeof(guid) - 1] = '\0';
+		wpa_printf(MSG_DEBUG, "NDIS: intfs %d GUID '%s'",
+			   (int) i, guid);
+		if (os_strstr(drv->ifname, guid) == NULL)
+			continue;
+
+		wpa_printf(MSG_DEBUG, "NDIS: Current interface found from "
+			   "WZC");
+		break;
+	}
+
+	if (i >= guids.dwNumIntfs) {
+		wpa_printf(MSG_DEBUG, "NDIS: Current interface not found from "
+			   "WZC");
+		goto fail;
+	}
+
+	os_memset(&intf, 0, sizeof(intf));
+	intf.wszGuid = guids.pIntfs[i].wszGuid;
+	/* Set flags to verify that the structure has not changed. */
+	intf.dwCtlFlags = -1;
+	flags = 0;
+	res = wzc_query_interf(NULL, INTFCTL_ENABLED, &intf, &flags);
+	if (res != 0) {
+		wpa_printf(MSG_DEBUG, "NDIS: Could not query flags for the "
+			   "WZC interface: %d (0x%x)",
+			   (int) res, (int) res);
+		wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
+			   (unsigned int) GetLastError());
+		goto fail;
+	}
+
+	wpa_printf(MSG_DEBUG, "NDIS: WZC interface flags 0x%x dwCtlFlags 0x%x",
+		   (int) flags, (int) intf.dwCtlFlags);
+
+	if (intf.dwCtlFlags == -1) {
+		wpa_printf(MSG_DEBUG, "NDIS: Looks like wzcsapi has changed "
+			   "again - could not disable WZC");
+		wpa_hexdump(MSG_MSGDUMP, "NDIS: intf",
+			    (u8 *) &intf, sizeof(intf));
+		goto fail;
+	}
+
+	if (enable) {
+		if (!(intf.dwCtlFlags & INTFCTL_ENABLED)) {
+			wpa_printf(MSG_DEBUG, "NDIS: Enabling WZC for this "
+				   "interface");
+			intf.dwCtlFlags |= INTFCTL_ENABLED;
+			res = wzc_set_interf(NULL, INTFCTL_ENABLED, &intf,
+					     &flags);
+			if (res != 0) {
+				wpa_printf(MSG_DEBUG, "NDIS: Failed to enable "
+					   "WZC: %d (0x%x)",
+					   (int) res, (int) res);
+				wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
+					   (unsigned int) GetLastError());
+				goto fail;
+			}
+			wpa_printf(MSG_DEBUG, "NDIS: Re-enabled WZC for this "
+				   "interface");
+			drv->wzc_disabled = 0;
+		}
+	} else {
+		if (intf.dwCtlFlags & INTFCTL_ENABLED) {
+			wpa_printf(MSG_DEBUG, "NDIS: Disabling WZC for this "
+				   "interface");
+			intf.dwCtlFlags &= ~INTFCTL_ENABLED;
+			res = wzc_set_interf(NULL, INTFCTL_ENABLED, &intf,
+					     &flags);
+			if (res != 0) {
+				wpa_printf(MSG_DEBUG, "NDIS: Failed to "
+					   "disable WZC: %d (0x%x)",
+					   (int) res, (int) res);
+				wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
+					   (unsigned int) GetLastError());
+				goto fail;
+			}
+			wpa_printf(MSG_DEBUG, "NDIS: Disabled WZC temporarily "
+				   "for this interface");
+			drv->wzc_disabled = 1;
+		} else {
+			wpa_printf(MSG_DEBUG, "NDIS: WZC was not enabled for "
+				   "this interface");
+		}
+	}
+
+	ret = 0;
+
+fail:
+	FreeLibrary(hm);
+
+	return ret;
+#endif /* _WIN32_WCE */
+}
+
+#else /* CONFIG_NATIVE_WINDOWS || __CYGWIN__ */
+
+static int wpa_driver_ndis_set_wzc(struct wpa_driver_ndis_data *drv,
+				   int enable)
+{
+	return 0;
+}
+
+#endif /* CONFIG_NATIVE_WINDOWS || __CYGWIN__ */
+
+
+#ifdef CONFIG_USE_NDISUIO
+/*
+ * l2_packet_ndis.c is sharing the same handle to NDISUIO, so we must be able
+ * to export this handle. This is somewhat ugly, but there is no better
+ * mechanism available to pass data from driver interface to l2_packet wrapper.
+ */
+static HANDLE driver_ndis_ndisuio_handle = INVALID_HANDLE_VALUE;
+
+HANDLE driver_ndis_get_ndisuio_handle(void)
+{
+	return driver_ndis_ndisuio_handle;
+}
+#endif /* CONFIG_USE_NDISUIO */
+
+
+static int wpa_driver_ndis_adapter_init(struct wpa_driver_ndis_data *drv)
+{
+#ifdef CONFIG_USE_NDISUIO
+#ifndef _WIN32_WCE
+#define NDISUIO_DEVICE_NAME TEXT("\\\\.\\\\Ndisuio")
+	DWORD written;
+#endif /* _WIN32_WCE */
+	drv->ndisuio = CreateFile(NDISUIO_DEVICE_NAME,
+				  GENERIC_READ | GENERIC_WRITE, 0, NULL,
+				  OPEN_EXISTING,
+				  FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
+				  INVALID_HANDLE_VALUE);
+	if (drv->ndisuio == INVALID_HANDLE_VALUE) {
+		wpa_printf(MSG_ERROR, "NDIS: Failed to open connection to "
+			   "NDISUIO: %d", (int) GetLastError());
+		return -1;
+	}
+	driver_ndis_ndisuio_handle = drv->ndisuio;
+
+#ifndef _WIN32_WCE
+	if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_BIND_WAIT, NULL, 0,
+			     NULL, 0, &written, NULL)) {
+		wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_BIND_WAIT failed: "
+			   "%d", (int) GetLastError());
+		CloseHandle(drv->ndisuio);
+		drv->ndisuio = INVALID_HANDLE_VALUE;
+		return -1;
+	}
+#endif /* _WIN32_WCE */
+
+	return 0;
+#else /* CONFIG_USE_NDISUIO */
+	return 0;
+#endif /* CONFIG_USE_NDISUIO */
+}
+
+
+static int wpa_driver_ndis_adapter_open(struct wpa_driver_ndis_data *drv)
+{
+#ifdef CONFIG_USE_NDISUIO
+	DWORD written;
+#define MAX_NDIS_DEVICE_NAME_LEN 256
+	WCHAR ifname[MAX_NDIS_DEVICE_NAME_LEN];
+	size_t len, i, pos;
+	const char *prefix = "\\DEVICE\\";
+
+#ifdef _WIN32_WCE
+	pos = 0;
+#else /* _WIN32_WCE */
+	pos = 8;
+#endif /* _WIN32_WCE */
+	len = pos + os_strlen(drv->ifname);
+	if (len >= MAX_NDIS_DEVICE_NAME_LEN)
+		return -1;
+	for (i = 0; i < pos; i++)
+		ifname[i] = (WCHAR) prefix[i];
+	for (i = pos; i < len; i++)
+		ifname[i] = (WCHAR) drv->ifname[i - pos];
+	ifname[i] = L'\0';
+
+	if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_OPEN_DEVICE,
+			     ifname, len * sizeof(WCHAR), NULL, 0, &written,
+			     NULL)) {
+		wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_OPEN_DEVICE "
+			   "failed: %d", (int) GetLastError());
+		wpa_hexdump_ascii(MSG_DEBUG, "NDIS: ifname",
+				  (const u8 *) ifname, len * sizeof(WCHAR));
+		CloseHandle(drv->ndisuio);
+		drv->ndisuio = INVALID_HANDLE_VALUE;
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "NDIS: Opened NDISUIO device successfully");
+
+	return 0;
+#else /* CONFIG_USE_NDISUIO */
+	char ifname[128];
+	os_snprintf(ifname, sizeof(ifname), "\\Device\\NPF_%s", drv->ifname);
+	drv->adapter = PacketOpenAdapter(ifname);
+	if (drv->adapter == NULL) {
+		wpa_printf(MSG_DEBUG, "NDIS: PacketOpenAdapter failed for "
+			   "'%s'", ifname);
+		return -1;
+	}
+	return 0;
+#endif /* CONFIG_USE_NDISUIO */
+}
+
+
+static void wpa_driver_ndis_adapter_close(struct wpa_driver_ndis_data *drv)
+{
+#ifdef CONFIG_USE_NDISUIO
+	driver_ndis_ndisuio_handle = INVALID_HANDLE_VALUE;
+	if (drv->ndisuio != INVALID_HANDLE_VALUE)
+		CloseHandle(drv->ndisuio);
+#else /* CONFIG_USE_NDISUIO */
+	if (drv->adapter)
+		PacketCloseAdapter(drv->adapter);
+#endif /* CONFIG_USE_NDISUIO */
+}
+
+
+static int ndis_add_multicast(struct wpa_driver_ndis_data *drv)
+{
+	if (ndis_set_oid(drv, OID_802_3_MULTICAST_LIST,
+			 (const char *) pae_group_addr, ETH_ALEN) < 0) {
+		wpa_printf(MSG_DEBUG, "NDIS: Failed to add PAE group address "
+			   "to the multicast list");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static void * wpa_driver_ndis_init(void *ctx, const char *ifname)
+{
+	struct wpa_driver_ndis_data *drv;
+	u32 mode;
+
+	drv = os_zalloc(sizeof(*drv));
+	if (drv == NULL)
+		return NULL;
+	drv->ctx = ctx;
+	/*
+	 * Compatibility code to strip possible prefix from the GUID. Previous
+	 * versions include \Device\NPF_ prefix for all names, but the internal
+	 * interface name is now only the GUI. Both Packet32 and NDISUIO
+	 * prefixes are supported.
+	 */
+	if (os_strncmp(ifname, "\\Device\\NPF_", 12) == 0)
+		ifname += 12;
+	else if (os_strncmp(ifname, "\\DEVICE\\", 8) == 0)
+		ifname += 8;
+	os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
+
+	if (wpa_driver_ndis_adapter_init(drv) < 0) {
+		os_free(drv);
+		return NULL;
+	}
+
+	if (wpa_driver_ndis_get_names(drv) < 0) {
+		wpa_driver_ndis_adapter_close(drv);
+		os_free(drv);
+		return NULL;
+	}
+
+	wpa_driver_ndis_set_wzc(drv, 0);
+
+	if (wpa_driver_ndis_adapter_open(drv) < 0) {
+		wpa_driver_ndis_adapter_close(drv);
+		os_free(drv);
+		return NULL;
+	}
+
+	if (ndis_get_oid(drv, OID_802_3_CURRENT_ADDRESS,
+			 (char *) drv->own_addr, ETH_ALEN) < 0) {
+		wpa_printf(MSG_DEBUG, "NDIS: Get OID_802_3_CURRENT_ADDRESS "
+			   "failed");
+		wpa_driver_ndis_adapter_close(drv);
+		os_free(drv);
+		return NULL;
+	}
+	wpa_driver_ndis_get_capability(drv);
+
+	/* Make sure that the driver does not have any obsolete PMKID entries.
+	 */
+	wpa_driver_ndis_flush_pmkid(drv);
+
+	/*
+	 * Disconnect to make sure that driver re-associates if it was
+	 * connected.
+	 */
+	wpa_driver_ndis_disconnect(drv);
+
+	eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout, drv, NULL);
+
+#ifdef CONFIG_NDIS_EVENTS_INTEGRATED
+	drv->events = ndis_events_init(&drv->events_pipe, &drv->event_avail,
+				       drv->ifname, drv->adapter_desc);
+	if (drv->events == NULL) {
+		wpa_driver_ndis_deinit(drv);
+		return NULL;
+	}
+	eloop_register_event(drv->event_avail, sizeof(drv->event_avail),
+			     wpa_driver_ndis_event_pipe_cb, drv, NULL);
+#endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
+
+#ifdef _WIN32_WCE
+	if (ndisuio_notification_init(drv) < 0) {
+		wpa_driver_ndis_deinit(drv);
+		return NULL;
+	}
+#endif /* _WIN32_WCE */
+
+	/* Set mode here in case card was configured for ad-hoc mode
+	 * previously. */
+	mode = Ndis802_11Infrastructure;
+	if (ndis_set_oid(drv, OID_802_11_INFRASTRUCTURE_MODE,
+			 (char *) &mode, sizeof(mode)) < 0) {
+		char buf[8];
+		int res;
+		wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
+			   "OID_802_11_INFRASTRUCTURE_MODE (%d)",
+			   (int) mode);
+		/* Try to continue anyway */
+
+		res = ndis_get_oid(drv, OID_DOT11_CURRENT_OPERATION_MODE, buf,
+				   sizeof(buf));
+		if (res > 0) {
+			wpa_printf(MSG_INFO, "NDIS: The driver seems to use "
+				   "Native 802.11 OIDs. These are not yet "
+				   "fully supported.");
+			drv->native80211 = 1;
+		} else if (!drv->has_capability || drv->capa.enc == 0) {
+			/*
+			 * Note: This will also happen with NDIS 6 drivers with
+			 * Vista.
+			 */
+			wpa_printf(MSG_DEBUG, "NDIS: Driver did not provide "
+				   "any wireless capabilities - assume it is "
+				   "a wired interface");
+			drv->wired = 1;
+			drv->capa.flags |= WPA_DRIVER_FLAGS_WIRED;
+			drv->has_capability = 1;
+			ndis_add_multicast(drv);
+		}
+	}
+
+	return drv;
+}
+
+
+static void wpa_driver_ndis_deinit(void *priv)
+{
+	struct wpa_driver_ndis_data *drv = priv;
+
+#ifdef CONFIG_NDIS_EVENTS_INTEGRATED
+	if (drv->events) {
+		eloop_unregister_event(drv->event_avail,
+				       sizeof(drv->event_avail));
+		ndis_events_deinit(drv->events);
+	}
+#endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
+
+#ifdef _WIN32_WCE
+	ndisuio_notification_deinit(drv);
+#endif /* _WIN32_WCE */
+
+	eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
+	eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
+	wpa_driver_ndis_flush_pmkid(drv);
+	wpa_driver_ndis_disconnect(drv);
+	if (wpa_driver_ndis_radio_off(drv) < 0) {
+		wpa_printf(MSG_DEBUG, "NDIS: failed to disassociate and turn "
+			   "radio off");
+	}
+
+	wpa_driver_ndis_adapter_close(drv);
+
+	if (drv->wzc_disabled)
+		wpa_driver_ndis_set_wzc(drv, 1);
+
+#ifdef _WIN32_WCE
+	os_free(drv->adapter_name);
+#endif /* _WIN32_WCE */
+	os_free(drv->adapter_desc);
+	os_free(drv);
+}
+
+
+static struct wpa_interface_info *
+wpa_driver_ndis_get_interfaces(void *global_priv)
+{
+	struct wpa_interface_info *iface = NULL, *niface;
+
+#ifdef CONFIG_USE_NDISUIO
+	NDISUIO_QUERY_BINDING *b;
+	size_t blen = sizeof(*b) + 1024;
+	int i, error;
+	DWORD written;
+	char name[256], desc[256];
+	WCHAR *pos;
+	size_t j, len;
+	HANDLE ndisuio;
+
+	ndisuio = CreateFile(NDISUIO_DEVICE_NAME,
+			     GENERIC_READ | GENERIC_WRITE, 0, NULL,
+			     OPEN_EXISTING,
+			     FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
+			     INVALID_HANDLE_VALUE);
+	if (ndisuio == INVALID_HANDLE_VALUE) {
+		wpa_printf(MSG_ERROR, "NDIS: Failed to open connection to "
+			   "NDISUIO: %d", (int) GetLastError());
+		return NULL;
+	}
+
+#ifndef _WIN32_WCE
+	if (!DeviceIoControl(ndisuio, IOCTL_NDISUIO_BIND_WAIT, NULL, 0,
+			     NULL, 0, &written, NULL)) {
+		wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_BIND_WAIT failed: "
+			   "%d", (int) GetLastError());
+		CloseHandle(ndisuio);
+		return NULL;
+	}
+#endif /* _WIN32_WCE */
+
+	b = os_malloc(blen);
+	if (b == NULL) {
+		CloseHandle(ndisuio);
+		return NULL;
+	}
+
+	for (i = 0; ; i++) {
+		os_memset(b, 0, blen);
+		b->BindingIndex = i;
+		if (!DeviceIoControl(ndisuio, IOCTL_NDISUIO_QUERY_BINDING,
+				     b, sizeof(NDISUIO_QUERY_BINDING), b, blen,
+				     &written, NULL)) {
+			error = (int) GetLastError();
+			if (error == ERROR_NO_MORE_ITEMS)
+				break;
+			wpa_printf(MSG_DEBUG, "IOCTL_NDISUIO_QUERY_BINDING "
+				   "failed: %d", error);
+			break;
+		}
+
+		pos = (WCHAR *) ((char *) b + b->DeviceNameOffset);
+		len = b->DeviceNameLength;
+		if (len >= sizeof(name))
+			len = sizeof(name) - 1;
+		for (j = 0; j < len; j++)
+			name[j] = (char) pos[j];
+		name[len] = '\0';
+
+		pos = (WCHAR *) ((char *) b + b->DeviceDescrOffset);
+		len = b->DeviceDescrLength;
+		if (len >= sizeof(desc))
+			len = sizeof(desc) - 1;
+		for (j = 0; j < len; j++)
+			desc[j] = (char) pos[j];
+		desc[len] = '\0';
+
+		wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s", i, name, desc);
+
+		niface = os_zalloc(sizeof(*niface));
+		if (niface == NULL)
+			break;
+		niface->drv_name = "ndis";
+		if (os_strncmp(name, "\\DEVICE\\", 8) == 0)
+			niface->ifname = os_strdup(name + 8);
+		else
+			niface->ifname = os_strdup(name);
+		if (niface->ifname == NULL) {
+			os_free(niface);
+			break;
+		}
+		niface->desc = os_strdup(desc);
+		niface->next = iface;
+		iface = niface;
+	}
+
+	os_free(b);
+	CloseHandle(ndisuio);
+#else /* CONFIG_USE_NDISUIO */
+	PTSTR _names;
+	char *names, *pos, *pos2;
+	ULONG len;
+	BOOLEAN res;
+	char *name[MAX_ADAPTERS];
+	char *desc[MAX_ADAPTERS];
+	int num_name, num_desc, i;
+
+	wpa_printf(MSG_DEBUG, "NDIS: Packet.dll version: %s",
+		   PacketGetVersion());
+
+	len = 8192;
+	_names = os_zalloc(len);
+	if (_names == NULL)
+		return NULL;
+
+	res = PacketGetAdapterNames(_names, &len);
+	if (!res && len > 8192) {
+		os_free(_names);
+		_names = os_zalloc(len);
+		if (_names == NULL)
+			return NULL;
+		res = PacketGetAdapterNames(_names, &len);
+	}
+
+	if (!res) {
+		wpa_printf(MSG_ERROR, "NDIS: Failed to get adapter list "
+			   "(PacketGetAdapterNames)");
+		os_free(_names);
+		return NULL;
+	}
+
+	names = (char *) _names;
+	if (names[0] && names[1] == '\0' && names[2] && names[3] == '\0') {
+		wpa_printf(MSG_DEBUG, "NDIS: Looks like adapter names are in "
+			   "UNICODE");
+		/* Convert to ASCII */
+		pos2 = pos = names;
+		while (pos2 < names + len) {
+			if (pos2[0] == '\0' && pos2[1] == '\0' &&
+			    pos2[2] == '\0' && pos2[3] == '\0') {
+				pos2 += 4;
+				break;
+			}
+			*pos++ = pos2[0];
+			pos2 += 2;
+		}
+		os_memcpy(pos + 2, names, pos - names);
+		pos += 2;
+	} else
+		pos = names;
+
+	num_name = 0;
+	while (pos < names + len) {
+		name[num_name] = pos;
+		while (*pos && pos < names + len)
+			pos++;
+		if (pos + 1 >= names + len) {
+			os_free(names);
+			return NULL;
+		}
+		pos++;
+		num_name++;
+		if (num_name >= MAX_ADAPTERS) {
+			wpa_printf(MSG_DEBUG, "NDIS: Too many adapters");
+			os_free(names);
+			return NULL;
+		}
+		if (*pos == '\0') {
+			wpa_printf(MSG_DEBUG, "NDIS: %d adapter names found",
+				   num_name);
+			pos++;
+			break;
+		}
+	}
+
+	num_desc = 0;
+	while (pos < names + len) {
+		desc[num_desc] = pos;
+		while (*pos && pos < names + len)
+			pos++;
+		if (pos + 1 >= names + len) {
+			os_free(names);
+			return NULL;
+		}
+		pos++;
+		num_desc++;
+		if (num_desc >= MAX_ADAPTERS) {
+			wpa_printf(MSG_DEBUG, "NDIS: Too many adapter "
+				   "descriptions");
+			os_free(names);
+			return NULL;
+		}
+		if (*pos == '\0') {
+			wpa_printf(MSG_DEBUG, "NDIS: %d adapter descriptions "
+				   "found", num_name);
+			pos++;
+			break;
+		}
+	}
+
+	/*
+	 * Windows 98 with Packet.dll 3.0 alpha3 does not include adapter
+	 * descriptions. Fill in dummy descriptors to work around this.
+	 */
+	while (num_desc < num_name)
+		desc[num_desc++] = "dummy description";
+
+	if (num_name != num_desc) {
+		wpa_printf(MSG_DEBUG, "NDIS: mismatch in adapter name and "
+			   "description counts (%d != %d)",
+			   num_name, num_desc);
+		os_free(names);
+		return NULL;
+	}
+
+	for (i = 0; i < num_name; i++) {
+		niface = os_zalloc(sizeof(*niface));
+		if (niface == NULL)
+			break;
+		niface->drv_name = "ndis";
+		if (os_strncmp(name[i], "\\Device\\NPF_", 12) == 0)
+			niface->ifname = os_strdup(name[i] + 12);
+		else
+			niface->ifname = os_strdup(name[i]);
+		if (niface->ifname == NULL) {
+			os_free(niface);
+			break;
+		}
+		niface->desc = os_strdup(desc[i]);
+		niface->next = iface;
+		iface = niface;
+	}
+
+#endif /* CONFIG_USE_NDISUIO */
+
+	return iface;
+}
+
+
+const struct wpa_driver_ops wpa_driver_ndis_ops = {
+	"ndis",
+	"Windows NDIS driver",
+	wpa_driver_ndis_get_bssid,
+	wpa_driver_ndis_get_ssid,
+	wpa_driver_ndis_set_key,
+	wpa_driver_ndis_init,
+	wpa_driver_ndis_deinit,
+	NULL /* set_param */,
+	NULL /* set_countermeasures */,
+	wpa_driver_ndis_deauthenticate,
+	wpa_driver_ndis_disassociate,
+	wpa_driver_ndis_associate,
+	wpa_driver_ndis_add_pmkid,
+	wpa_driver_ndis_remove_pmkid,
+	wpa_driver_ndis_flush_pmkid,
+	wpa_driver_ndis_get_capa,
+	wpa_driver_ndis_poll,
+	wpa_driver_ndis_get_ifname,
+	wpa_driver_ndis_get_mac_addr,
+	NULL /* send_eapol */,
+	NULL /* set_operstate */,
+	NULL /* mlme_setprotection */,
+	NULL /* get_hw_feature_data */,
+	NULL /* set_channel */,
+	NULL /* set_ssid */,
+	NULL /* set_bssid */,
+	NULL /* send_mlme */,
+	NULL /* mlme_add_sta */,
+	NULL /* mlme_remove_sta */,
+	NULL /* update_ft_ies */,
+	NULL /* send_ft_action */,
+	wpa_driver_ndis_get_scan_results,
+	NULL /* set_country */,
+	NULL /* global_init */,
+	NULL /* global_deinit */,
+	NULL /* init2 */,
+	wpa_driver_ndis_get_interfaces,
+	wpa_driver_ndis_scan,
+	NULL /* authenticate */,
+	NULL /* set_beacon */,
+	NULL /* hapd_init */,
+	NULL /* hapd_deinit */,
+	NULL /* set_ieee8021x */,
+	NULL /* set_privacy */,
+	NULL /* get_seqnum */,
+	NULL /* flush */,
+	NULL /* set_generic_elem */,
+	NULL /* read_sta_data */,
+	NULL /* hapd_send_eapol */,
+	NULL /* sta_deauth */,
+	NULL /* sta_disassoc */,
+	NULL /* sta_remove */,
+	NULL /* hapd_get_ssid */,
+	NULL /* hapd_set_ssid */,
+	NULL /* hapd_set_countermeasures */,
+	NULL /* sta_add */,
+	NULL /* get_inact_sec */,
+	NULL /* sta_clear_stats */,
+	NULL /* set_freq */,
+	NULL /* set_rts */,
+	NULL /* set_frag */,
+	NULL /* sta_set_flags */,
+	NULL /* set_rate_sets */,
+	NULL /* set_cts_protect */,
+	NULL /* set_preamble */,
+	NULL /* set_short_slot_time */,
+	NULL /* set_tx_queue_params */,
+	NULL /* valid_bss_mask */,
+	NULL /* if_add */,
+	NULL /* if_remove */,
+	NULL /* set_sta_vlan */,
+	NULL /* commit */,
+	NULL /* send_ether */,
+	NULL /* set_radius_acl_auth */,
+	NULL /* set_radius_acl_expire */,
+	NULL /* set_ht_params */,
+	NULL /* set_ap_wps_ie */,
+	NULL /* set_supp_port */,
+	NULL /* set_wds_sta */,
+	NULL /* send_action */,
+	NULL /* send_action_cancel_wait */,
+	NULL /* remain_on_channel */,
+	NULL /* cancel_remain_on_channel */,
+	NULL /* probe_req_report */,
+	NULL /* disable_11b_rates */,
+	NULL /* deinit_ap */,
+	NULL /* suspend */,
+	NULL /* resume */,
+	NULL /* signal_monitor */,
+	NULL /* send_frame */,
+	NULL /* shared_freq */,
+	NULL /* get_noa */,
+	NULL /* set_noa */,
+	NULL /* set_p2p_powersave */,
+	NULL /* ampdu */,
+	NULL /* set_intra_bss */,
+	NULL /* get_radio_name */,
+	NULL /* p2p_find */,
+	NULL /* p2p_stop_find */,
+	NULL /* p2p_listen */,
+	NULL /* p2p_connect */,
+	NULL /* wps_success_cb */,
+	NULL /* p2p_group_formation_failed */,
+	NULL /* p2p_set_params */,
+	NULL /* p2p_prov_disc_req */,
+	NULL /* p2p_sd_request */,
+	NULL /* p2p_sd_cancel_request */,
+	NULL /* p2p_sd_response */,
+	NULL /* p2p_service_update */,
+	NULL /* p2p_reject */,
+	NULL /* p2p_invite */,
+	NULL /* send_tdls_mgmt */,
+	NULL /* tdls_oper */,
+	NULL /* signal_poll */
+};
diff --git a/src/drivers/driver_ndis.h b/src/drivers/driver_ndis.h
new file mode 100644
index 0000000..f263f0e
--- /dev/null
+++ b/src/drivers/driver_ndis.h
@@ -0,0 +1,65 @@
+/*
+ * WPA Supplicant - Windows/NDIS driver interface
+ * Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef DRIVER_NDIS_H
+#define DRIVER_NDIS_H
+
+#ifdef CONFIG_NDIS_EVENTS_INTEGRATED
+struct ndis_events_data;
+struct ndis_events_data * ndis_events_init(HANDLE *read_pipe, HANDLE *event,
+					   const char *ifname,
+					   const char *desc);
+void ndis_events_deinit(struct ndis_events_data *events);
+#endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
+
+struct ndis_pmkid_entry {
+	struct ndis_pmkid_entry *next;
+	u8 bssid[ETH_ALEN];
+	u8 pmkid[16];
+};
+
+struct wpa_driver_ndis_data {
+	void *ctx;
+	char ifname[100]; /* GUID: {7EE3EFE5-C165-472F-986D-F6FBEDFE8C8D} */
+#ifdef _WIN32_WCE
+	TCHAR *adapter_name;
+	HANDLE event_queue; /* NDISUIO notifier MsgQueue */
+	HANDLE connected_event; /* WpaSupplicantConnected event */
+#endif /* _WIN32_WCE */
+	u8 own_addr[ETH_ALEN];
+#ifdef CONFIG_USE_NDISUIO
+	HANDLE ndisuio;
+#else /* CONFIG_USE_NDISUIO */
+	LPADAPTER adapter;
+#endif /* CONFIG_USE_NDISUIO */
+	u8 bssid[ETH_ALEN];
+
+	int has_capability;
+	int no_of_pmkid;
+	int radio_enabled;
+	struct wpa_driver_capa capa;
+	struct ndis_pmkid_entry *pmkid;
+	char *adapter_desc;
+	int wired;
+	int native80211;
+	int mode;
+	int wzc_disabled;
+	int oid_bssid_set;
+#ifdef CONFIG_NDIS_EVENTS_INTEGRATED
+	HANDLE events_pipe, event_avail;
+	struct ndis_events_data *events;
+#endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
+};
+
+#endif /* DRIVER_NDIS_H */
diff --git a/src/drivers/driver_ndis_.c b/src/drivers/driver_ndis_.c
new file mode 100644
index 0000000..4bee9aa
--- /dev/null
+++ b/src/drivers/driver_ndis_.c
@@ -0,0 +1,105 @@
+/*
+ * WPA Supplicant - Windows/NDIS driver interface - event processing
+ * Copyright (c) 2004-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "driver.h"
+#include "eloop.h"
+
+/* Keep this event processing in a separate file and without WinPcap headers to
+ * avoid conflicts with some of the header files. */
+struct _ADAPTER;
+typedef struct _ADAPTER * LPADAPTER;
+#include "driver_ndis.h"
+
+
+void wpa_driver_ndis_event_connect(struct wpa_driver_ndis_data *drv);
+void wpa_driver_ndis_event_disconnect(struct wpa_driver_ndis_data *drv);
+void wpa_driver_ndis_event_media_specific(struct wpa_driver_ndis_data *drv,
+					  const u8 *data, size_t data_len);
+void wpa_driver_ndis_event_adapter_arrival(struct wpa_driver_ndis_data *drv);
+void wpa_driver_ndis_event_adapter_removal(struct wpa_driver_ndis_data *drv);
+
+
+enum event_types { EVENT_CONNECT, EVENT_DISCONNECT,
+		   EVENT_MEDIA_SPECIFIC, EVENT_ADAPTER_ARRIVAL,
+		   EVENT_ADAPTER_REMOVAL };
+
+/* Event data:
+ * enum event_types (as int, i.e., 4 octets)
+ * data length (2 octets (big endian), optional)
+ * data (variable len, optional)
+ */
+
+
+static void wpa_driver_ndis_event_process(struct wpa_driver_ndis_data *drv,
+					  u8 *buf, size_t len)
+{
+	u8 *pos, *data = NULL;
+	enum event_types type;
+	size_t data_len = 0;
+
+	wpa_hexdump(MSG_MSGDUMP, "NDIS: received event data", buf, len);
+	if (len < sizeof(int))
+		return;
+	type = *((int *) buf);
+	pos = buf + sizeof(int);
+	wpa_printf(MSG_DEBUG, "NDIS: event - type %d", type);
+
+	if (buf + len - pos > 2) {
+		data_len = (int) *pos++ << 8;
+		data_len += *pos++;
+		if (data_len > (size_t) (buf + len - pos)) {
+			wpa_printf(MSG_DEBUG, "NDIS: event data overflow");
+			return;
+		}
+		data = pos;
+		wpa_hexdump(MSG_MSGDUMP, "NDIS: event data", data, data_len);
+	}
+
+	switch (type) {
+	case EVENT_CONNECT:
+		wpa_driver_ndis_event_connect(drv);
+		break;
+	case EVENT_DISCONNECT:
+		wpa_driver_ndis_event_disconnect(drv);
+		break;
+	case EVENT_MEDIA_SPECIFIC:
+		wpa_driver_ndis_event_media_specific(drv, data, data_len);
+		break;
+	case EVENT_ADAPTER_ARRIVAL:
+		wpa_driver_ndis_event_adapter_arrival(drv);
+		break;
+	case EVENT_ADAPTER_REMOVAL:
+		wpa_driver_ndis_event_adapter_removal(drv);
+		break;
+	}
+}
+
+
+void wpa_driver_ndis_event_pipe_cb(void *eloop_data, void *user_data)
+{
+	struct wpa_driver_ndis_data *drv = eloop_data;
+	u8 buf[512];
+	DWORD len;
+
+	ResetEvent(drv->event_avail);
+	if (ReadFile(drv->events_pipe, buf, sizeof(buf), &len, NULL))
+		wpa_driver_ndis_event_process(drv, buf, len);
+	else {
+		wpa_printf(MSG_DEBUG, "%s: ReadFile() failed: %d", __func__,
+			   (int) GetLastError());
+	}
+}
diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
new file mode 100644
index 0000000..90b3f20
--- /dev/null
+++ b/src/drivers/driver_nl80211.c
@@ -0,0 +1,6550 @@
+/*
+ * Driver interaction with Linux nl80211/cfg80211
+ * Copyright (c) 2002-2010, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2004, Instant802 Networks, Inc.
+ * Copyright (c) 2005-2006, Devicescape Software, Inc.
+ * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
+ * Copyright (c) 2009-2010, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <net/if.h>
+#include <netlink/genl/genl.h>
+#include <netlink/genl/family.h>
+#include <netlink/genl/ctrl.h>
+#include <linux/rtnetlink.h>
+#include <netpacket/packet.h>
+#include <linux/filter.h>
+#include "nl80211_copy.h"
+
+#include "common.h"
+#include "eloop.h"
+#include "utils/list.h"
+#include "common/ieee802_11_defs.h"
+#include "netlink.h"
+#include "linux_ioctl.h"
+#include "radiotap.h"
+#include "radiotap_iter.h"
+#include "rfkill.h"
+#include "driver.h"
+
+#ifdef CONFIG_LIBNL20
+/* libnl 2.0 compatibility code */
+#define nl_handle nl_sock
+#define nl80211_handle_alloc nl_socket_alloc_cb
+#define nl80211_handle_destroy nl_socket_free
+#else
+/*
+ * libnl 1.1 has a bug, it tries to allocate socket numbers densely
+ * but when you free a socket again it will mess up its bitmap and
+ * and use the wrong number the next time it needs a socket ID.
+ * Therefore, we wrap the handle alloc/destroy and add our own pid
+ * accounting.
+ */
+static uint32_t port_bitmap[32] = { 0 };
+
+static struct nl_handle *nl80211_handle_alloc(void *cb)
+{
+	struct nl_handle *handle;
+	uint32_t pid = getpid() & 0x3FFFFF;
+	int i;
+
+	handle = nl_handle_alloc_cb(cb);
+
+	for (i = 0; i < 1024; i++) {
+		if (port_bitmap[i / 32] & (1 << (i % 32)))
+			continue;
+		port_bitmap[i / 32] |= 1 << (i % 32);
+		pid += i << 22;
+		break;
+	}
+
+	nl_socket_set_local_port(handle, pid);
+
+	return handle;
+}
+
+static void nl80211_handle_destroy(struct nl_handle *handle)
+{
+	uint32_t port = nl_socket_get_local_port(handle);
+
+	port >>= 22;
+	port_bitmap[port / 32] &= ~(1 << (port % 32));
+
+	nl_handle_destroy(handle);
+}
+#endif /* CONFIG_LIBNL20 */
+
+
+#ifndef IFF_LOWER_UP
+#define IFF_LOWER_UP   0x10000         /* driver signals L1 up         */
+#endif
+#ifndef IFF_DORMANT
+#define IFF_DORMANT    0x20000         /* driver signals dormant       */
+#endif
+
+#ifndef IF_OPER_DORMANT
+#define IF_OPER_DORMANT 5
+#endif
+#ifndef IF_OPER_UP
+#define IF_OPER_UP 6
+#endif
+
+struct nl80211_global {
+	struct dl_list interfaces;
+};
+
+struct i802_bss {
+	struct wpa_driver_nl80211_data *drv;
+	struct i802_bss *next;
+	int ifindex;
+	char ifname[IFNAMSIZ + 1];
+	char brname[IFNAMSIZ];
+	unsigned int beacon_set:1;
+	unsigned int added_if_into_bridge:1;
+	unsigned int added_bridge:1;
+};
+
+struct wpa_driver_nl80211_data {
+	struct nl80211_global *global;
+	struct dl_list list;
+	u8 addr[ETH_ALEN];
+	char phyname[32];
+	void *ctx;
+	struct netlink_data *netlink;
+	int ioctl_sock; /* socket for ioctl() use */
+	int ifindex;
+	int if_removed;
+	int if_disabled;
+	struct rfkill_data *rfkill;
+	struct wpa_driver_capa capa;
+	int has_capability;
+
+	int operstate;
+
+	int scan_complete_events;
+
+	struct nl_handle *nl_handle;
+	struct nl_handle *nl_handle_event;
+	struct nl_handle *nl_handle_preq;
+	struct nl_cache *nl_cache;
+	struct nl_cache *nl_cache_event;
+	struct nl_cache *nl_cache_preq;
+	struct nl_cb *nl_cb;
+	struct genl_family *nl80211;
+
+	u8 auth_bssid[ETH_ALEN];
+	u8 bssid[ETH_ALEN];
+	int associated;
+	u8 ssid[32];
+	size_t ssid_len;
+	int nlmode;
+	int ap_scan_as_station;
+	unsigned int assoc_freq;
+
+	int monitor_sock;
+	int monitor_ifidx;
+	int disable_11b_rates;
+
+	unsigned int pending_remain_on_chan:1;
+
+	u64 remain_on_chan_cookie;
+	u64 send_action_cookie;
+
+	unsigned int last_mgmt_freq;
+
+	struct wpa_driver_scan_filter *filter_ssids;
+	size_t num_filter_ssids;
+
+	struct i802_bss first_bss;
+
+#ifdef HOSTAPD
+	int eapol_sock; /* socket for EAPOL frames */
+
+	int default_if_indices[16];
+	int *if_indices;
+	int num_if_indices;
+
+	int last_freq;
+	int last_freq_ht;
+#endif /* HOSTAPD */
+};
+
+
+static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx,
+					    void *timeout_ctx);
+static int wpa_driver_nl80211_set_mode(void *priv, int mode);
+static int
+wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv);
+static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
+				   const u8 *addr, int cmd, u16 reason_code,
+				   int local_state_change);
+static void nl80211_remove_monitor_interface(
+	struct wpa_driver_nl80211_data *drv);
+static int nl80211_send_frame_cmd(struct wpa_driver_nl80211_data *drv,
+				  unsigned int freq, unsigned int wait,
+				  const u8 *buf, size_t buf_len, u64 *cookie);
+static int wpa_driver_nl80211_probe_req_report(void *priv, int report);
+
+#ifdef HOSTAPD
+static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
+static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
+static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
+static int wpa_driver_nl80211_if_remove(void *priv,
+					enum wpa_driver_if_type type,
+					const char *ifname);
+#else /* HOSTAPD */
+static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
+{
+	return 0;
+}
+#endif /* HOSTAPD */
+
+static int i802_set_freq(void *priv, struct hostapd_freq_params *freq);
+static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
+				     int ifindex, int disabled);
+
+static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv);
+
+
+/* nl80211 code */
+static int ack_handler(struct nl_msg *msg, void *arg)
+{
+	int *err = arg;
+	*err = 0;
+	return NL_STOP;
+}
+
+static int finish_handler(struct nl_msg *msg, void *arg)
+{
+	int *ret = arg;
+	*ret = 0;
+	return NL_SKIP;
+}
+
+static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
+			 void *arg)
+{
+	int *ret = arg;
+	*ret = err->error;
+	return NL_SKIP;
+}
+
+
+static int no_seq_check(struct nl_msg *msg, void *arg)
+{
+	return NL_OK;
+}
+
+
+static int send_and_recv(struct wpa_driver_nl80211_data *drv,
+			 struct nl_handle *nl_handle, struct nl_msg *msg,
+			 int (*valid_handler)(struct nl_msg *, void *),
+			 void *valid_data)
+{
+	struct nl_cb *cb;
+	int err = -ENOMEM;
+
+	cb = nl_cb_clone(drv->nl_cb);
+	if (!cb)
+		goto out;
+
+	err = nl_send_auto_complete(nl_handle, msg);
+	if (err < 0)
+		goto out;
+
+	err = 1;
+
+	nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
+	nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
+	nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
+
+	if (valid_handler)
+		nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
+			  valid_handler, valid_data);
+
+	while (err > 0)
+		nl_recvmsgs(nl_handle, cb);
+ out:
+	nl_cb_put(cb);
+	nlmsg_free(msg);
+	return err;
+}
+
+
+static int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
+			      struct nl_msg *msg,
+			      int (*valid_handler)(struct nl_msg *, void *),
+			      void *valid_data)
+{
+	return send_and_recv(drv, drv->nl_handle, msg, valid_handler,
+			     valid_data);
+}
+
+
+struct family_data {
+	const char *group;
+	int id;
+};
+
+
+static int family_handler(struct nl_msg *msg, void *arg)
+{
+	struct family_data *res = arg;
+	struct nlattr *tb[CTRL_ATTR_MAX + 1];
+	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+	struct nlattr *mcgrp;
+	int i;
+
+	nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+		  genlmsg_attrlen(gnlh, 0), NULL);
+	if (!tb[CTRL_ATTR_MCAST_GROUPS])
+		return NL_SKIP;
+
+	nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
+		struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
+		nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
+			  nla_len(mcgrp), NULL);
+		if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
+		    !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
+		    os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
+			       res->group,
+			       nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
+			continue;
+		res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
+		break;
+	};
+
+	return NL_SKIP;
+}
+
+
+static int nl_get_multicast_id(struct wpa_driver_nl80211_data *drv,
+			       const char *family, const char *group)
+{
+	struct nl_msg *msg;
+	int ret = -1;
+	struct family_data res = { group, -ENOENT };
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+	genlmsg_put(msg, 0, 0, genl_ctrl_resolve(drv->nl_handle, "nlctrl"),
+		    0, 0, CTRL_CMD_GETFAMILY, 0);
+	NLA_PUT_STRING(msg, CTRL_ATTR_FAMILY_NAME, family);
+
+	ret = send_and_recv_msgs(drv, msg, family_handler, &res);
+	msg = NULL;
+	if (ret == 0)
+		ret = res.id;
+
+nla_put_failure:
+	nlmsg_free(msg);
+	return ret;
+}
+
+
+static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	if (!drv->associated)
+		return -1;
+	os_memcpy(bssid, drv->bssid, ETH_ALEN);
+	return 0;
+}
+
+
+static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	if (!drv->associated)
+		return -1;
+	os_memcpy(ssid, drv->ssid, drv->ssid_len);
+	return drv->ssid_len;
+}
+
+
+static void wpa_driver_nl80211_event_link(struct wpa_driver_nl80211_data *drv,
+					  char *buf, size_t len, int del)
+{
+	union wpa_event_data event;
+
+	os_memset(&event, 0, sizeof(event));
+	if (len > sizeof(event.interface_status.ifname))
+		len = sizeof(event.interface_status.ifname) - 1;
+	os_memcpy(event.interface_status.ifname, buf, len);
+	event.interface_status.ievent = del ? EVENT_INTERFACE_REMOVED :
+		EVENT_INTERFACE_ADDED;
+
+	wpa_printf(MSG_DEBUG, "RTM_%sLINK, IFLA_IFNAME: Interface '%s' %s",
+		   del ? "DEL" : "NEW",
+		   event.interface_status.ifname,
+		   del ? "removed" : "added");
+
+	if (os_strcmp(drv->first_bss.ifname, event.interface_status.ifname) == 0) {
+		if (del)
+			drv->if_removed = 1;
+		else
+			drv->if_removed = 0;
+	}
+
+	wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
+}
+
+
+static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
+					 u8 *buf, size_t len)
+{
+	int attrlen, rta_len;
+	struct rtattr *attr;
+
+	attrlen = len;
+	attr = (struct rtattr *) buf;
+
+	rta_len = RTA_ALIGN(sizeof(struct rtattr));
+	while (RTA_OK(attr, attrlen)) {
+		if (attr->rta_type == IFLA_IFNAME) {
+			if (os_strcmp(((char *) attr) + rta_len, drv->first_bss.ifname)
+			    == 0)
+				return 1;
+			else
+				break;
+		}
+		attr = RTA_NEXT(attr, attrlen);
+	}
+
+	return 0;
+}
+
+
+static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
+					  int ifindex, u8 *buf, size_t len)
+{
+	if (drv->ifindex == ifindex)
+		return 1;
+
+	if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
+		drv->first_bss.ifindex = if_nametoindex(drv->first_bss.ifname);
+		wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
+			   "interface");
+		wpa_driver_nl80211_finish_drv_init(drv);
+		return 1;
+	}
+
+	return 0;
+}
+
+
+static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
+						 struct ifinfomsg *ifi,
+						 u8 *buf, size_t len)
+{
+	struct wpa_driver_nl80211_data *drv = ctx;
+	int attrlen, rta_len;
+	struct rtattr *attr;
+	u32 brid = 0;
+
+	if (!wpa_driver_nl80211_own_ifindex(drv, ifi->ifi_index, buf, len) &&
+	    !have_ifidx(drv, ifi->ifi_index)) {
+		wpa_printf(MSG_DEBUG, "nl80211: Ignore event for foreign "
+			   "ifindex %d", ifi->ifi_index);
+		return;
+	}
+
+	wpa_printf(MSG_DEBUG, "RTM_NEWLINK: operstate=%d ifi_flags=0x%x "
+		   "(%s%s%s%s)",
+		   drv->operstate, ifi->ifi_flags,
+		   (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
+		   (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
+		   (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
+		   (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
+
+	if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
+		wpa_printf(MSG_DEBUG, "nl80211: Interface down");
+		drv->if_disabled = 1;
+		wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL);
+	}
+
+	if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
+		wpa_printf(MSG_DEBUG, "nl80211: Interface up");
+		drv->if_disabled = 0;
+		wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
+	}
+
+	/*
+	 * Some drivers send the association event before the operup event--in
+	 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
+	 * fails. This will hit us when wpa_supplicant does not need to do
+	 * IEEE 802.1X authentication
+	 */
+	if (drv->operstate == 1 &&
+	    (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
+	    !(ifi->ifi_flags & IFF_RUNNING))
+		netlink_send_oper_ifla(drv->netlink, drv->ifindex,
+				       -1, IF_OPER_UP);
+
+	attrlen = len;
+	attr = (struct rtattr *) buf;
+	rta_len = RTA_ALIGN(sizeof(struct rtattr));
+	while (RTA_OK(attr, attrlen)) {
+		if (attr->rta_type == IFLA_IFNAME) {
+			wpa_driver_nl80211_event_link(
+				drv,
+				((char *) attr) + rta_len,
+				attr->rta_len - rta_len, 0);
+		} else if (attr->rta_type == IFLA_MASTER)
+			brid = nla_get_u32((struct nlattr *) attr);
+		attr = RTA_NEXT(attr, attrlen);
+	}
+
+#ifdef HOSTAPD
+	if (ifi->ifi_family == AF_BRIDGE && brid) {
+		/* device has been added to bridge */
+		char namebuf[IFNAMSIZ];
+		if_indextoname(brid, namebuf);
+		wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
+			   brid, namebuf);
+		add_ifidx(drv, brid);
+	}
+#endif /* HOSTAPD */
+}
+
+
+static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
+						 struct ifinfomsg *ifi,
+						 u8 *buf, size_t len)
+{
+	struct wpa_driver_nl80211_data *drv = ctx;
+	int attrlen, rta_len;
+	struct rtattr *attr;
+	u32 brid = 0;
+
+	attrlen = len;
+	attr = (struct rtattr *) buf;
+
+	rta_len = RTA_ALIGN(sizeof(struct rtattr));
+	while (RTA_OK(attr, attrlen)) {
+		if (attr->rta_type == IFLA_IFNAME) {
+			wpa_driver_nl80211_event_link(
+				drv,
+				((char *) attr) + rta_len,
+				attr->rta_len - rta_len, 1);
+		} else if (attr->rta_type == IFLA_MASTER)
+			brid = nla_get_u32((struct nlattr *) attr);
+		attr = RTA_NEXT(attr, attrlen);
+	}
+
+#ifdef HOSTAPD
+	if (ifi->ifi_family == AF_BRIDGE && brid) {
+		/* device has been removed from bridge */
+		char namebuf[IFNAMSIZ];
+		if_indextoname(brid, namebuf);
+		wpa_printf(MSG_DEBUG, "nl80211: Remove ifindex %u for bridge "
+			   "%s", brid, namebuf);
+		del_ifidx(drv, brid);
+	}
+#endif /* HOSTAPD */
+}
+
+
+static void mlme_event_auth(struct wpa_driver_nl80211_data *drv,
+			    const u8 *frame, size_t len)
+{
+	const struct ieee80211_mgmt *mgmt;
+	union wpa_event_data event;
+
+	mgmt = (const struct ieee80211_mgmt *) frame;
+	if (len < 24 + sizeof(mgmt->u.auth)) {
+		wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
+			   "frame");
+		return;
+	}
+
+	os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN);
+	os_memset(&event, 0, sizeof(event));
+	os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
+	event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
+	event.auth.status_code = le_to_host16(mgmt->u.auth.status_code);
+	if (len > 24 + sizeof(mgmt->u.auth)) {
+		event.auth.ies = mgmt->u.auth.variable;
+		event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth);
+	}
+
+	wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event);
+}
+
+
+static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv,
+			    const u8 *frame, size_t len)
+{
+	const struct ieee80211_mgmt *mgmt;
+	union wpa_event_data event;
+	u16 status;
+
+	mgmt = (const struct ieee80211_mgmt *) frame;
+	if (len < 24 + sizeof(mgmt->u.assoc_resp)) {
+		wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
+			   "frame");
+		return;
+	}
+
+	status = le_to_host16(mgmt->u.assoc_resp.status_code);
+	if (status != WLAN_STATUS_SUCCESS) {
+		os_memset(&event, 0, sizeof(event));
+		event.assoc_reject.bssid = mgmt->bssid;
+		if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
+			event.assoc_reject.resp_ies =
+				(u8 *) mgmt->u.assoc_resp.variable;
+			event.assoc_reject.resp_ies_len =
+				len - 24 - sizeof(mgmt->u.assoc_resp);
+		}
+		event.assoc_reject.status_code = status;
+
+		wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
+		return;
+	}
+
+	drv->associated = 1;
+	os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN);
+
+	os_memset(&event, 0, sizeof(event));
+	if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
+		event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable;
+		event.assoc_info.resp_ies_len =
+			len - 24 - sizeof(mgmt->u.assoc_resp);
+	}
+
+	event.assoc_info.freq = drv->assoc_freq;
+
+	wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
+}
+
+
+static void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
+			       enum nl80211_commands cmd, struct nlattr *status,
+			       struct nlattr *addr, struct nlattr *req_ie,
+			       struct nlattr *resp_ie)
+{
+	union wpa_event_data event;
+
+	if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
+		/*
+		 * Avoid reporting two association events that would confuse
+		 * the core code.
+		 */
+		wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) "
+			   "when using userspace SME", cmd);
+		return;
+	}
+
+	os_memset(&event, 0, sizeof(event));
+	if (cmd == NL80211_CMD_CONNECT &&
+	    nla_get_u16(status) != WLAN_STATUS_SUCCESS) {
+		if (addr)
+			event.assoc_reject.bssid = nla_data(addr);
+		if (resp_ie) {
+			event.assoc_reject.resp_ies = nla_data(resp_ie);
+			event.assoc_reject.resp_ies_len = nla_len(resp_ie);
+		}
+		event.assoc_reject.status_code = nla_get_u16(status);
+		wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
+		return;
+	}
+
+	drv->associated = 1;
+	if (addr)
+		os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN);
+
+	if (req_ie) {
+		event.assoc_info.req_ies = nla_data(req_ie);
+		event.assoc_info.req_ies_len = nla_len(req_ie);
+	}
+	if (resp_ie) {
+		event.assoc_info.resp_ies = nla_data(resp_ie);
+		event.assoc_info.resp_ies_len = nla_len(resp_ie);
+	}
+
+	wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
+}
+
+
+static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
+			       enum nl80211_commands cmd, struct nlattr *addr)
+{
+	union wpa_event_data event;
+	enum wpa_event_type ev;
+
+	if (nla_len(addr) != ETH_ALEN)
+		return;
+
+	wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR,
+		   cmd, MAC2STR((u8 *) nla_data(addr)));
+
+	if (cmd == NL80211_CMD_AUTHENTICATE)
+		ev = EVENT_AUTH_TIMED_OUT;
+	else if (cmd == NL80211_CMD_ASSOCIATE)
+		ev = EVENT_ASSOC_TIMED_OUT;
+	else
+		return;
+
+	os_memset(&event, 0, sizeof(event));
+	os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN);
+	wpa_supplicant_event(drv->ctx, ev, &event);
+}
+
+
+static void mlme_event_mgmt(struct wpa_driver_nl80211_data *drv,
+			    struct nlattr *freq, const u8 *frame, size_t len)
+{
+	const struct ieee80211_mgmt *mgmt;
+	union wpa_event_data event;
+	u16 fc, stype;
+
+	mgmt = (const struct ieee80211_mgmt *) frame;
+	if (len < 24) {
+		wpa_printf(MSG_DEBUG, "nl80211: Too short action frame");
+		return;
+	}
+
+	fc = le_to_host16(mgmt->frame_control);
+	stype = WLAN_FC_GET_STYPE(fc);
+
+	os_memset(&event, 0, sizeof(event));
+	if (freq) {
+		event.rx_action.freq = nla_get_u32(freq);
+		drv->last_mgmt_freq = event.rx_action.freq;
+	}
+	if (stype == WLAN_FC_STYPE_ACTION) {
+		event.rx_action.da = mgmt->da;
+		event.rx_action.sa = mgmt->sa;
+		event.rx_action.bssid = mgmt->bssid;
+		event.rx_action.category = mgmt->u.action.category;
+		event.rx_action.data = &mgmt->u.action.category + 1;
+		event.rx_action.len = frame + len - event.rx_action.data;
+		wpa_supplicant_event(drv->ctx, EVENT_RX_ACTION, &event);
+	} else {
+		event.rx_mgmt.frame = frame;
+		event.rx_mgmt.frame_len = len;
+		wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
+	}
+}
+
+
+static void mlme_event_action_tx_status(struct wpa_driver_nl80211_data *drv,
+					struct nlattr *cookie, const u8 *frame,
+					size_t len, struct nlattr *ack)
+{
+	union wpa_event_data event;
+	const struct ieee80211_hdr *hdr;
+	u16 fc;
+	u64 cookie_val;
+
+	if (!cookie)
+		return;
+
+	cookie_val = nla_get_u64(cookie);
+	wpa_printf(MSG_DEBUG, "nl80211: Action TX status: cookie=0%llx%s "
+		   "(ack=%d)",
+		   (long long unsigned int) cookie_val,
+		   cookie_val == drv->send_action_cookie ?
+		   " (match)" : " (unknown)", ack != NULL);
+	if (cookie_val != drv->send_action_cookie)
+		return;
+
+	hdr = (const struct ieee80211_hdr *) frame;
+	fc = le_to_host16(hdr->frame_control);
+
+	os_memset(&event, 0, sizeof(event));
+	event.tx_status.type = WLAN_FC_GET_TYPE(fc);
+	event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
+	event.tx_status.dst = hdr->addr1;
+	event.tx_status.data = frame;
+	event.tx_status.data_len = len;
+	event.tx_status.ack = ack != NULL;
+	wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
+}
+
+
+static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
+				       enum wpa_event_type type,
+				       const u8 *frame, size_t len)
+{
+	const struct ieee80211_mgmt *mgmt;
+	union wpa_event_data event;
+	const u8 *bssid = NULL;
+	u16 reason_code = 0;
+
+	mgmt = (const struct ieee80211_mgmt *) frame;
+	if (len >= 24) {
+		bssid = mgmt->bssid;
+
+		if (drv->associated != 0 &&
+		    os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
+		    os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
+			/*
+			 * We have presumably received this deauth as a
+			 * response to a clear_state_mismatch() outgoing
+			 * deauth.  Don't let it take us offline!
+			 */
+			wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
+				   "from Unknown BSSID " MACSTR " -- ignoring",
+				   MAC2STR(bssid));
+			return;
+		}
+	}
+
+	drv->associated = 0;
+	os_memset(&event, 0, sizeof(event));
+
+	/* Note: Same offset for Reason Code in both frame subtypes */
+	if (len >= 24 + sizeof(mgmt->u.deauth))
+		reason_code = le_to_host16(mgmt->u.deauth.reason_code);
+
+	if (type == EVENT_DISASSOC) {
+		event.disassoc_info.addr = bssid;
+		event.disassoc_info.reason_code = reason_code;
+		if (frame + len > mgmt->u.disassoc.variable) {
+			event.disassoc_info.ie = mgmt->u.disassoc.variable;
+			event.disassoc_info.ie_len = frame + len -
+				mgmt->u.disassoc.variable;
+		}
+	} else {
+		event.deauth_info.addr = bssid;
+		event.deauth_info.reason_code = reason_code;
+		if (frame + len > mgmt->u.deauth.variable) {
+			event.deauth_info.ie = mgmt->u.deauth.variable;
+			event.deauth_info.ie_len = frame + len -
+				mgmt->u.deauth.variable;
+		}
+	}
+
+	wpa_supplicant_event(drv->ctx, type, &event);
+}
+
+
+static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv,
+					 enum wpa_event_type type,
+					 const u8 *frame, size_t len)
+{
+	const struct ieee80211_mgmt *mgmt;
+	union wpa_event_data event;
+	u16 reason_code = 0;
+
+	if (len < 24)
+		return;
+
+	mgmt = (const struct ieee80211_mgmt *) frame;
+
+	os_memset(&event, 0, sizeof(event));
+	/* Note: Same offset for Reason Code in both frame subtypes */
+	if (len >= 24 + sizeof(mgmt->u.deauth))
+		reason_code = le_to_host16(mgmt->u.deauth.reason_code);
+
+	if (type == EVENT_UNPROT_DISASSOC) {
+		event.unprot_disassoc.sa = mgmt->sa;
+		event.unprot_disassoc.da = mgmt->da;
+		event.unprot_disassoc.reason_code = reason_code;
+	} else {
+		event.unprot_deauth.sa = mgmt->sa;
+		event.unprot_deauth.da = mgmt->da;
+		event.unprot_deauth.reason_code = reason_code;
+	}
+
+	wpa_supplicant_event(drv->ctx, type, &event);
+}
+
+
+static void mlme_event(struct wpa_driver_nl80211_data *drv,
+		       enum nl80211_commands cmd, struct nlattr *frame,
+		       struct nlattr *addr, struct nlattr *timed_out,
+		       struct nlattr *freq, struct nlattr *ack,
+		       struct nlattr *cookie)
+{
+	if (timed_out && addr) {
+		mlme_timeout_event(drv, cmd, addr);
+		return;
+	}
+
+	if (frame == NULL) {
+		wpa_printf(MSG_DEBUG, "nl80211: MLME event %d without frame "
+			   "data", cmd);
+		return;
+	}
+
+	wpa_printf(MSG_DEBUG, "nl80211: MLME event %d", cmd);
+	wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame",
+		    nla_data(frame), nla_len(frame));
+
+	switch (cmd) {
+	case NL80211_CMD_AUTHENTICATE:
+		mlme_event_auth(drv, nla_data(frame), nla_len(frame));
+		break;
+	case NL80211_CMD_ASSOCIATE:
+		mlme_event_assoc(drv, nla_data(frame), nla_len(frame));
+		break;
+	case NL80211_CMD_DEAUTHENTICATE:
+		mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
+					   nla_data(frame), nla_len(frame));
+		break;
+	case NL80211_CMD_DISASSOCIATE:
+		mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
+					   nla_data(frame), nla_len(frame));
+		break;
+	case NL80211_CMD_FRAME:
+		mlme_event_mgmt(drv, freq, nla_data(frame), nla_len(frame));
+		break;
+	case NL80211_CMD_FRAME_TX_STATUS:
+		mlme_event_action_tx_status(drv, cookie, nla_data(frame),
+					    nla_len(frame), ack);
+		break;
+	case NL80211_CMD_UNPROT_DEAUTHENTICATE:
+		mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH,
+					     nla_data(frame), nla_len(frame));
+		break;
+	case NL80211_CMD_UNPROT_DISASSOCIATE:
+		mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC,
+					     nla_data(frame), nla_len(frame));
+		break;
+	default:
+		break;
+	}
+}
+
+
+static void mlme_event_michael_mic_failure(struct wpa_driver_nl80211_data *drv,
+					   struct nlattr *tb[])
+{
+	union wpa_event_data data;
+
+	wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure");
+	os_memset(&data, 0, sizeof(data));
+	if (tb[NL80211_ATTR_MAC]) {
+		wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address",
+			    nla_data(tb[NL80211_ATTR_MAC]),
+			    nla_len(tb[NL80211_ATTR_MAC]));
+		data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]);
+	}
+	if (tb[NL80211_ATTR_KEY_SEQ]) {
+		wpa_hexdump(MSG_DEBUG, "nl80211: TSC",
+			    nla_data(tb[NL80211_ATTR_KEY_SEQ]),
+			    nla_len(tb[NL80211_ATTR_KEY_SEQ]));
+	}
+	if (tb[NL80211_ATTR_KEY_TYPE]) {
+		enum nl80211_key_type key_type =
+			nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]);
+		wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type);
+		if (key_type == NL80211_KEYTYPE_PAIRWISE)
+			data.michael_mic_failure.unicast = 1;
+	} else
+		data.michael_mic_failure.unicast = 1;
+
+	if (tb[NL80211_ATTR_KEY_IDX]) {
+		u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]);
+		wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id);
+	}
+
+	wpa_supplicant_event(drv->ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
+}
+
+
+static void mlme_event_join_ibss(struct wpa_driver_nl80211_data *drv,
+				 struct nlattr *tb[])
+{
+	if (tb[NL80211_ATTR_MAC] == NULL) {
+		wpa_printf(MSG_DEBUG, "nl80211: No address in IBSS joined "
+			   "event");
+		return;
+	}
+	os_memcpy(drv->bssid, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
+	drv->associated = 1;
+	wpa_printf(MSG_DEBUG, "nl80211: IBSS " MACSTR " joined",
+		   MAC2STR(drv->bssid));
+
+	wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
+}
+
+
+static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv,
+					 int cancel_event, struct nlattr *tb[])
+{
+	unsigned int freq, chan_type, duration;
+	union wpa_event_data data;
+	u64 cookie;
+
+	if (tb[NL80211_ATTR_WIPHY_FREQ])
+		freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
+	else
+		freq = 0;
+
+	if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
+		chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
+	else
+		chan_type = 0;
+
+	if (tb[NL80211_ATTR_DURATION])
+		duration = nla_get_u32(tb[NL80211_ATTR_DURATION]);
+	else
+		duration = 0;
+
+	if (tb[NL80211_ATTR_COOKIE])
+		cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
+	else
+		cookie = 0;
+
+	wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d "
+		   "freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))",
+		   cancel_event, freq, chan_type, duration,
+		   (long long unsigned int) cookie,
+		   cookie == drv->remain_on_chan_cookie ? "match" : "unknown");
+
+	if (cookie != drv->remain_on_chan_cookie)
+		return; /* not for us */
+
+	drv->pending_remain_on_chan = !cancel_event;
+
+	os_memset(&data, 0, sizeof(data));
+	data.remain_on_channel.freq = freq;
+	data.remain_on_channel.duration = duration;
+	wpa_supplicant_event(drv->ctx, cancel_event ?
+			     EVENT_CANCEL_REMAIN_ON_CHANNEL :
+			     EVENT_REMAIN_ON_CHANNEL, &data);
+}
+
+
+static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted,
+			    struct nlattr *tb[])
+{
+	union wpa_event_data event;
+	struct nlattr *nl;
+	int rem;
+	struct scan_info *info;
+#define MAX_REPORT_FREQS 50
+	int freqs[MAX_REPORT_FREQS];
+	int num_freqs = 0;
+
+	os_memset(&event, 0, sizeof(event));
+	info = &event.scan_info;
+	info->aborted = aborted;
+
+	if (tb[NL80211_ATTR_SCAN_SSIDS]) {
+		nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) {
+			struct wpa_driver_scan_ssid *s =
+				&info->ssids[info->num_ssids];
+			s->ssid = nla_data(nl);
+			s->ssid_len = nla_len(nl);
+			info->num_ssids++;
+			if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
+				break;
+		}
+	}
+	if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
+		nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem)
+		{
+			freqs[num_freqs] = nla_get_u32(nl);
+			num_freqs++;
+			if (num_freqs == MAX_REPORT_FREQS - 1)
+				break;
+		}
+		info->freqs = freqs;
+		info->num_freqs = num_freqs;
+	}
+	wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
+}
+
+
+static int get_link_signal(struct nl_msg *msg, void *arg)
+{
+	struct nlattr *tb[NL80211_ATTR_MAX + 1];
+	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+	struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
+	static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
+		[NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
+	};
+	struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
+	static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
+		[NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
+		[NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
+		[NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
+		[NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
+	};
+	struct wpa_signal_info *sig_change = arg;
+
+	nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+		  genlmsg_attrlen(gnlh, 0), NULL);
+	if (!tb[NL80211_ATTR_STA_INFO] ||
+	    nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
+			     tb[NL80211_ATTR_STA_INFO], policy))
+		return NL_SKIP;
+	if (!sinfo[NL80211_STA_INFO_SIGNAL])
+		return NL_SKIP;
+
+	sig_change->current_signal =
+		(s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
+
+	if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
+		if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
+				     sinfo[NL80211_STA_INFO_TX_BITRATE],
+				     rate_policy)) {
+			sig_change->current_txrate = 0;
+		} else {
+			if (rinfo[NL80211_RATE_INFO_BITRATE]) {
+				sig_change->current_txrate =
+					nla_get_u16(rinfo[
+					     NL80211_RATE_INFO_BITRATE]) * 100;
+			}
+		}
+	}
+
+	return NL_SKIP;
+}
+
+
+static int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
+				   struct wpa_signal_info *sig)
+{
+	struct nl_msg *msg;
+
+	sig->current_signal = -9999;
+	sig->current_txrate = 0;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_GET_STATION, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+	NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid);
+
+	return send_and_recv_msgs(drv, msg, get_link_signal, sig);
+ nla_put_failure:
+	return -ENOBUFS;
+}
+
+
+static int get_link_noise(struct nl_msg *msg, void *arg)
+{
+	struct nlattr *tb[NL80211_ATTR_MAX + 1];
+	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+	struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
+	static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
+		[NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
+		[NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
+	};
+	struct wpa_signal_info *sig_change = arg;
+
+	nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+		  genlmsg_attrlen(gnlh, 0), NULL);
+
+	if (!tb[NL80211_ATTR_SURVEY_INFO]) {
+		wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
+		return NL_SKIP;
+	}
+
+	if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
+			     tb[NL80211_ATTR_SURVEY_INFO],
+			     survey_policy)) {
+		wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
+			   "attributes!");
+		return NL_SKIP;
+	}
+
+	if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
+		return NL_SKIP;
+
+	if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
+	    sig_change->frequency)
+		return NL_SKIP;
+
+	if (!sinfo[NL80211_SURVEY_INFO_NOISE])
+		return NL_SKIP;
+
+	sig_change->current_noise =
+		(s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
+
+	return NL_SKIP;
+}
+
+
+static int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
+				  struct wpa_signal_info *sig_change)
+{
+	struct nl_msg *msg;
+
+	sig_change->current_noise = 9999;
+	sig_change->frequency = drv->assoc_freq;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    NLM_F_DUMP, NL80211_CMD_GET_SURVEY, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+
+	return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
+ nla_put_failure:
+	return -ENOBUFS;
+}
+
+
+static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
+			      struct nlattr *tb[])
+{
+	static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
+		[NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
+		[NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 },
+		[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
+		[NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 },
+	};
+	struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
+	enum nl80211_cqm_rssi_threshold_event event;
+	union wpa_event_data ed;
+	struct wpa_signal_info sig;
+	int res;
+
+	if (tb[NL80211_ATTR_CQM] == NULL ||
+	    nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
+			     cqm_policy)) {
+		wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event");
+		return;
+	}
+
+	os_memset(&ed, 0, sizeof(ed));
+
+	if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
+		if (!tb[NL80211_ATTR_MAC])
+			return;
+		os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]),
+			  ETH_ALEN);
+		wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed);
+		return;
+	}
+
+	if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL)
+		return;
+	event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
+
+	if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) {
+		wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
+			   "event: RSSI high");
+		ed.signal_change.above_threshold = 1;
+	} else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) {
+		wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
+			   "event: RSSI low");
+		ed.signal_change.above_threshold = 0;
+	} else
+		return;
+
+	res = nl80211_get_link_signal(drv, &sig);
+	if (res == 0) {
+		ed.signal_change.current_signal = sig.current_signal;
+		ed.signal_change.current_txrate = sig.current_txrate;
+		wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm  txrate: %d",
+			   sig.current_signal, sig.current_txrate);
+	}
+
+	res = nl80211_get_link_noise(drv, &sig);
+	if (res == 0) {
+		ed.signal_change.current_noise = sig.current_noise;
+		wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm",
+			   sig.current_noise);
+	}
+
+	wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed);
+}
+
+
+static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv,
+				      struct nlattr **tb)
+{
+	u8 *addr;
+	union wpa_event_data data;
+
+	if (tb[NL80211_ATTR_MAC] == NULL)
+		return;
+	addr = nla_data(tb[NL80211_ATTR_MAC]);
+	wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr));
+	if (drv->nlmode != NL80211_IFTYPE_ADHOC)
+		return;
+
+	os_memset(&data, 0, sizeof(data));
+	os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN);
+	wpa_supplicant_event(drv->ctx, EVENT_IBSS_RSN_START, &data);
+}
+
+
+static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv,
+				      struct nlattr **tb)
+{
+	u8 *addr;
+	union wpa_event_data data;
+
+	if (tb[NL80211_ATTR_MAC] == NULL)
+		return;
+	addr = nla_data(tb[NL80211_ATTR_MAC]);
+	wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR,
+		   MAC2STR(addr));
+	if (drv->nlmode != NL80211_IFTYPE_ADHOC)
+		return;
+
+	os_memset(&data, 0, sizeof(data));
+	os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN);
+	wpa_supplicant_event(drv->ctx, EVENT_IBSS_PEER_LOST, &data);
+}
+
+
+static int process_event(struct nl_msg *msg, void *arg)
+{
+	struct wpa_driver_nl80211_data *drv = arg;
+	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+	struct nlattr *tb[NL80211_ATTR_MAX + 1];
+	union wpa_event_data data;
+
+	nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+		  genlmsg_attrlen(gnlh, 0), NULL);
+
+	if (tb[NL80211_ATTR_IFINDEX]) {
+		int ifindex = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
+		if (ifindex != drv->ifindex && !have_ifidx(drv, ifindex)) {
+			wpa_printf(MSG_DEBUG, "nl80211: Ignored event (cmd=%d)"
+				   " for foreign interface (ifindex %d)",
+				   gnlh->cmd, ifindex);
+			return NL_SKIP;
+		}
+	}
+
+	if (drv->ap_scan_as_station &&
+	    (gnlh->cmd == NL80211_CMD_NEW_SCAN_RESULTS ||
+	     gnlh->cmd == NL80211_CMD_SCAN_ABORTED)) {
+		wpa_driver_nl80211_set_mode(&drv->first_bss,
+					    IEEE80211_MODE_AP);
+		drv->ap_scan_as_station = 0;
+	}
+
+	switch (gnlh->cmd) {
+	case NL80211_CMD_TRIGGER_SCAN:
+		wpa_printf(MSG_DEBUG, "nl80211: Scan trigger");
+		break;
+	case NL80211_CMD_NEW_SCAN_RESULTS:
+		wpa_printf(MSG_DEBUG, "nl80211: New scan results available");
+		drv->scan_complete_events = 1;
+		eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
+				     drv->ctx);
+		send_scan_event(drv, 0, tb);
+		break;
+	case NL80211_CMD_SCAN_ABORTED:
+		wpa_printf(MSG_DEBUG, "nl80211: Scan aborted");
+		/*
+		 * Need to indicate that scan results are available in order
+		 * not to make wpa_supplicant stop its scanning.
+		 */
+		eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
+				     drv->ctx);
+		send_scan_event(drv, 1, tb);
+		break;
+	case NL80211_CMD_AUTHENTICATE:
+	case NL80211_CMD_ASSOCIATE:
+	case NL80211_CMD_DEAUTHENTICATE:
+	case NL80211_CMD_DISASSOCIATE:
+	case NL80211_CMD_FRAME:
+	case NL80211_CMD_FRAME_TX_STATUS:
+	case NL80211_CMD_UNPROT_DEAUTHENTICATE:
+	case NL80211_CMD_UNPROT_DISASSOCIATE:
+		mlme_event(drv, gnlh->cmd, tb[NL80211_ATTR_FRAME],
+			   tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
+			   tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
+			   tb[NL80211_ATTR_COOKIE]);
+		break;
+	case NL80211_CMD_CONNECT:
+	case NL80211_CMD_ROAM:
+		mlme_event_connect(drv, gnlh->cmd,
+				   tb[NL80211_ATTR_STATUS_CODE],
+				   tb[NL80211_ATTR_MAC],
+				   tb[NL80211_ATTR_REQ_IE],
+				   tb[NL80211_ATTR_RESP_IE]);
+		break;
+	case NL80211_CMD_DISCONNECT:
+		if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
+			/*
+			 * Avoid reporting two disassociation events that could
+			 * confuse the core code.
+			 */
+			wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
+				   "event when using userspace SME");
+			break;
+		}
+		drv->associated = 0;
+		os_memset(&data, 0, sizeof(data));
+		if (tb[NL80211_ATTR_REASON_CODE])
+			data.disassoc_info.reason_code =
+				nla_get_u16(tb[NL80211_ATTR_REASON_CODE]);
+		wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, &data);
+		break;
+	case NL80211_CMD_MICHAEL_MIC_FAILURE:
+		mlme_event_michael_mic_failure(drv, tb);
+		break;
+	case NL80211_CMD_JOIN_IBSS:
+		mlme_event_join_ibss(drv, tb);
+		break;
+	case NL80211_CMD_REMAIN_ON_CHANNEL:
+		mlme_event_remain_on_channel(drv, 0, tb);
+		break;
+	case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
+		mlme_event_remain_on_channel(drv, 1, tb);
+		break;
+	case NL80211_CMD_NOTIFY_CQM:
+		nl80211_cqm_event(drv, tb);
+		break;
+	case NL80211_CMD_REG_CHANGE:
+		wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
+		wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
+				     NULL);
+		break;
+	case NL80211_CMD_REG_BEACON_HINT:
+		wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
+		wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
+				     NULL);
+		break;
+	case NL80211_CMD_NEW_STATION:
+		nl80211_new_station_event(drv, tb);
+		break;
+	case NL80211_CMD_DEL_STATION:
+		nl80211_del_station_event(drv, tb);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
+			   "(cmd=%d)", gnlh->cmd);
+		break;
+	}
+
+	return NL_SKIP;
+}
+
+
+static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
+					     void *handle)
+{
+	struct nl_cb *cb;
+	struct wpa_driver_nl80211_data *drv = eloop_ctx;
+
+	wpa_printf(MSG_DEBUG, "nl80211: Event message available");
+
+	cb = nl_cb_clone(drv->nl_cb);
+	if (!cb)
+		return;
+	nl_cb_set(cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
+	nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, process_event, drv);
+	nl_recvmsgs(handle, cb);
+	nl_cb_put(cb);
+}
+
+
+/**
+ * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
+ * @priv: driver_nl80211 private data
+ * @alpha2_arg: country to which to switch to
+ * Returns: 0 on success, -1 on failure
+ *
+ * This asks nl80211 to set the regulatory domain for given
+ * country ISO / IEC alpha2.
+ */
+static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	char alpha2[3];
+	struct nl_msg *msg;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	alpha2[0] = alpha2_arg[0];
+	alpha2[1] = alpha2_arg[1];
+	alpha2[2] = '\0';
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_REQ_SET_REG, 0);
+
+	NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, alpha2);
+	if (send_and_recv_msgs(drv, msg, NULL, NULL))
+		return -EINVAL;
+	return 0;
+nla_put_failure:
+	return -EINVAL;
+}
+
+
+struct wiphy_info_data {
+	int max_scan_ssids;
+	int ap_supported;
+	int p2p_supported;
+	int auth_supported;
+	int connect_supported;
+	int offchan_tx_supported;
+	int max_remain_on_chan;
+};
+
+
+static int wiphy_info_handler(struct nl_msg *msg, void *arg)
+{
+	struct nlattr *tb[NL80211_ATTR_MAX + 1];
+	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+	struct wiphy_info_data *info = arg;
+	int p2p_go_supported = 0, p2p_client_supported = 0;
+
+	nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+		  genlmsg_attrlen(gnlh, 0), NULL);
+
+	if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
+		info->max_scan_ssids =
+			nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
+
+	if (tb[NL80211_ATTR_SUPPORTED_IFTYPES]) {
+		struct nlattr *nl_mode;
+		int i;
+		nla_for_each_nested(nl_mode,
+				    tb[NL80211_ATTR_SUPPORTED_IFTYPES], i) {
+			switch (nla_type(nl_mode)) {
+			case NL80211_IFTYPE_AP:
+				info->ap_supported = 1;
+				break;
+			case NL80211_IFTYPE_P2P_GO:
+				p2p_go_supported = 1;
+				break;
+			case NL80211_IFTYPE_P2P_CLIENT:
+				p2p_client_supported = 1;
+				break;
+			}
+		}
+	}
+
+	info->p2p_supported = p2p_go_supported && p2p_client_supported;
+
+	if (tb[NL80211_ATTR_SUPPORTED_COMMANDS]) {
+		struct nlattr *nl_cmd;
+		int i;
+
+		nla_for_each_nested(nl_cmd,
+				    tb[NL80211_ATTR_SUPPORTED_COMMANDS], i) {
+			u32 cmd = nla_get_u32(nl_cmd);
+			if (cmd == NL80211_CMD_AUTHENTICATE)
+				info->auth_supported = 1;
+			else if (cmd == NL80211_CMD_CONNECT)
+				info->connect_supported = 1;
+		}
+	}
+
+	if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK])
+		info->offchan_tx_supported = 1;
+
+	if (tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION])
+		info->max_remain_on_chan =
+			nla_get_u32(tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
+
+	return NL_SKIP;
+}
+
+
+static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
+				       struct wiphy_info_data *info)
+{
+	struct nl_msg *msg;
+
+	os_memset(info, 0, sizeof(*info));
+
+	/* default to 5000 since early versions of mac80211 don't set it */
+	info->max_remain_on_chan = 5000;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -1;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_GET_WIPHY, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->first_bss.ifindex);
+
+	if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info) == 0)
+		return 0;
+	msg = NULL;
+nla_put_failure:
+	nlmsg_free(msg);
+	return -1;
+}
+
+
+static int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
+{
+	struct wiphy_info_data info;
+	if (wpa_driver_nl80211_get_info(drv, &info))
+		return -1;
+	drv->has_capability = 1;
+	/* For now, assume TKIP, CCMP, WPA, WPA2 are supported */
+	drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
+		WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
+		WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
+		WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
+	drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 |
+		WPA_DRIVER_CAPA_ENC_WEP104 |
+		WPA_DRIVER_CAPA_ENC_TKIP |
+		WPA_DRIVER_CAPA_ENC_CCMP;
+	drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
+		WPA_DRIVER_AUTH_SHARED |
+		WPA_DRIVER_AUTH_LEAP;
+
+	drv->capa.max_scan_ssids = info.max_scan_ssids;
+	if (info.ap_supported)
+		drv->capa.flags |= WPA_DRIVER_FLAGS_AP;
+
+	if (info.auth_supported)
+		drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
+	else if (!info.connect_supported) {
+		wpa_printf(MSG_INFO, "nl80211: Driver does not support "
+			   "authentication/association or connect commands");
+		return -1;
+	}
+
+	if (info.offchan_tx_supported) {
+		wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
+			   "off-channel TX");
+		drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
+	}
+
+	drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES;
+	drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
+	if (info.p2p_supported)
+		drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
+	drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
+	drv->capa.max_remain_on_chan = info.max_remain_on_chan;
+
+	return 0;
+}
+
+
+static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv)
+{
+	int ret;
+
+	/* Initialize generic netlink and nl80211 */
+
+	drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
+	if (drv->nl_cb == NULL) {
+		wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
+			   "callbacks");
+		goto err1;
+	}
+
+	drv->nl_handle = nl80211_handle_alloc(drv->nl_cb);
+	if (drv->nl_handle == NULL) {
+		wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
+			   "callbacks");
+		goto err2;
+	}
+
+	drv->nl_handle_event = nl80211_handle_alloc(drv->nl_cb);
+	if (drv->nl_handle_event == NULL) {
+		wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
+			   "callbacks (event)");
+		goto err2b;
+	}
+
+	if (genl_connect(drv->nl_handle)) {
+		wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
+			   "netlink");
+		goto err3;
+	}
+
+	if (genl_connect(drv->nl_handle_event)) {
+		wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
+			   "netlink (event)");
+		goto err3;
+	}
+
+#ifdef CONFIG_LIBNL20
+	if (genl_ctrl_alloc_cache(drv->nl_handle, &drv->nl_cache) < 0) {
+		wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
+			   "netlink cache");
+		goto err3;
+	}
+	if (genl_ctrl_alloc_cache(drv->nl_handle_event, &drv->nl_cache_event) <
+	    0) {
+		wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
+			   "netlink cache (event)");
+		goto err3b;
+	}
+#else /* CONFIG_LIBNL20 */
+	drv->nl_cache = genl_ctrl_alloc_cache(drv->nl_handle);
+	if (drv->nl_cache == NULL) {
+		wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
+			   "netlink cache");
+		goto err3;
+	}
+	drv->nl_cache_event = genl_ctrl_alloc_cache(drv->nl_handle_event);
+	if (drv->nl_cache_event == NULL) {
+		wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
+			   "netlink cache (event)");
+		goto err3b;
+	}
+#endif /* CONFIG_LIBNL20 */
+
+	drv->nl80211 = genl_ctrl_search_by_name(drv->nl_cache, "nl80211");
+	if (drv->nl80211 == NULL) {
+		wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
+			   "found");
+		goto err4;
+	}
+
+	ret = nl_get_multicast_id(drv, "nl80211", "scan");
+	if (ret >= 0)
+		ret = nl_socket_add_membership(drv->nl_handle_event, ret);
+	if (ret < 0) {
+		wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
+			   "membership for scan events: %d (%s)",
+			   ret, strerror(-ret));
+		goto err4;
+	}
+
+	ret = nl_get_multicast_id(drv, "nl80211", "mlme");
+	if (ret >= 0)
+		ret = nl_socket_add_membership(drv->nl_handle_event, ret);
+	if (ret < 0) {
+		wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
+			   "membership for mlme events: %d (%s)",
+			   ret, strerror(-ret));
+		goto err4;
+	}
+
+	ret = nl_get_multicast_id(drv, "nl80211", "regulatory");
+	if (ret >= 0)
+		ret = nl_socket_add_membership(drv->nl_handle_event, ret);
+	if (ret < 0) {
+		wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
+			   "membership for regulatory events: %d (%s)",
+			   ret, strerror(-ret));
+		/* Continue without regulatory events */
+	}
+
+	eloop_register_read_sock(nl_socket_get_fd(drv->nl_handle_event),
+				 wpa_driver_nl80211_event_receive, drv,
+				 drv->nl_handle_event);
+
+	return 0;
+
+err4:
+	nl_cache_free(drv->nl_cache_event);
+err3b:
+	nl_cache_free(drv->nl_cache);
+err3:
+	nl80211_handle_destroy(drv->nl_handle_event);
+err2b:
+	nl80211_handle_destroy(drv->nl_handle);
+err2:
+	nl_cb_put(drv->nl_cb);
+err1:
+	return -1;
+}
+
+
+static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
+{
+	wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
+	/*
+	 * This may be for any interface; use ifdown event to disable
+	 * interface.
+	 */
+}
+
+
+static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
+{
+	struct wpa_driver_nl80211_data *drv = ctx;
+	wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
+	if (linux_set_iface_flags(drv->ioctl_sock, drv->first_bss.ifname, 1)) {
+		wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
+			   "after rfkill unblock");
+		return;
+	}
+	/* rtnetlink ifup handler will report interface as enabled */
+}
+
+
+static void nl80211_get_phy_name(struct wpa_driver_nl80211_data *drv)
+{
+	/* Find phy (radio) to which this interface belongs */
+	char buf[90], *pos;
+	int f, rv;
+
+	drv->phyname[0] = '\0';
+	snprintf(buf, sizeof(buf) - 1, "/sys/class/net/%s/phy80211/name",
+		 drv->first_bss.ifname);
+	f = open(buf, O_RDONLY);
+	if (f < 0) {
+		wpa_printf(MSG_DEBUG, "Could not open file %s: %s",
+			   buf, strerror(errno));
+		return;
+	}
+
+	rv = read(f, drv->phyname, sizeof(drv->phyname) - 1);
+	close(f);
+	if (rv < 0) {
+		wpa_printf(MSG_DEBUG, "Could not read file %s: %s",
+			   buf, strerror(errno));
+		return;
+	}
+
+	drv->phyname[rv] = '\0';
+	pos = os_strchr(drv->phyname, '\n');
+	if (pos)
+		*pos = '\0';
+	wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
+		   drv->first_bss.ifname, drv->phyname);
+}
+
+
+/**
+ * wpa_driver_nl80211_init - Initialize nl80211 driver interface
+ * @ctx: context to be used when calling wpa_supplicant functions,
+ * e.g., wpa_supplicant_event()
+ * @ifname: interface name, e.g., wlan0
+ * @global_priv: private driver global data from global_init()
+ * Returns: Pointer to private data, %NULL on failure
+ */
+static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
+				      void *global_priv)
+{
+	struct wpa_driver_nl80211_data *drv;
+	struct netlink_config *cfg;
+	struct rfkill_config *rcfg;
+	struct i802_bss *bss;
+
+	drv = os_zalloc(sizeof(*drv));
+	if (drv == NULL)
+		return NULL;
+	drv->global = global_priv;
+	drv->ctx = ctx;
+	bss = &drv->first_bss;
+	bss->drv = drv;
+	os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
+	drv->monitor_ifidx = -1;
+	drv->monitor_sock = -1;
+	drv->ioctl_sock = -1;
+
+	if (wpa_driver_nl80211_init_nl(drv)) {
+		os_free(drv);
+		return NULL;
+	}
+
+	nl80211_get_phy_name(drv);
+
+	drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
+	if (drv->ioctl_sock < 0) {
+		perror("socket(PF_INET,SOCK_DGRAM)");
+		goto failed;
+	}
+
+	cfg = os_zalloc(sizeof(*cfg));
+	if (cfg == NULL)
+		goto failed;
+	cfg->ctx = drv;
+	cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
+	cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
+	drv->netlink = netlink_init(cfg);
+	if (drv->netlink == NULL) {
+		os_free(cfg);
+		goto failed;
+	}
+
+	rcfg = os_zalloc(sizeof(*rcfg));
+	if (rcfg == NULL)
+		goto failed;
+	rcfg->ctx = drv;
+	os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname));
+	rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
+	rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
+	drv->rfkill = rfkill_init(rcfg);
+	if (drv->rfkill == NULL) {
+		wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
+		os_free(rcfg);
+	}
+
+	if (wpa_driver_nl80211_finish_drv_init(drv))
+		goto failed;
+
+	if (drv->global)
+		dl_list_add(&drv->global->interfaces, &drv->list);
+
+	return bss;
+
+failed:
+	rfkill_deinit(drv->rfkill);
+	netlink_deinit(drv->netlink);
+	if (drv->ioctl_sock >= 0)
+		close(drv->ioctl_sock);
+
+	genl_family_put(drv->nl80211);
+	nl_cache_free(drv->nl_cache);
+	nl80211_handle_destroy(drv->nl_handle);
+	nl_cb_put(drv->nl_cb);
+	eloop_unregister_read_sock(nl_socket_get_fd(drv->nl_handle_event));
+
+	os_free(drv);
+	return NULL;
+}
+
+
+static int nl80211_register_frame(struct wpa_driver_nl80211_data *drv,
+				  struct nl_handle *nl_handle,
+				  u16 type, const u8 *match, size_t match_len)
+{
+	struct nl_msg *msg;
+	int ret = -1;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -1;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+		    NL80211_CMD_REGISTER_ACTION, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+	NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, type);
+	NLA_PUT(msg, NL80211_ATTR_FRAME_MATCH, match_len, match);
+
+	ret = send_and_recv(drv, nl_handle, msg, NULL, NULL);
+	msg = NULL;
+	if (ret) {
+		wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
+			   "failed (type=%u): ret=%d (%s)",
+			   type, ret, strerror(-ret));
+		wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
+			    match, match_len);
+		goto nla_put_failure;
+	}
+	ret = 0;
+nla_put_failure:
+	nlmsg_free(msg);
+	return ret;
+}
+
+
+static int nl80211_register_action_frame(struct wpa_driver_nl80211_data *drv,
+					 const u8 *match, size_t match_len)
+{
+	u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
+	return nl80211_register_frame(drv, drv->nl_handle_event,
+				      type, match, match_len);
+}
+
+
+static int nl80211_register_action_frames(struct wpa_driver_nl80211_data *drv)
+{
+#ifdef CONFIG_P2P
+	/* GAS Initial Request */
+	if (nl80211_register_action_frame(drv, (u8 *) "\x04\x0a", 2) < 0)
+		return -1;
+	/* GAS Initial Response */
+	if (nl80211_register_action_frame(drv, (u8 *) "\x04\x0b", 2) < 0)
+		return -1;
+	/* GAS Comeback Request */
+	if (nl80211_register_action_frame(drv, (u8 *) "\x04\x0c", 2) < 0)
+		return -1;
+	/* GAS Comeback Response */
+	if (nl80211_register_action_frame(drv, (u8 *) "\x04\x0d", 2) < 0)
+		return -1;
+	/* P2P Public Action */
+	if (nl80211_register_action_frame(drv,
+					  (u8 *) "\x04\x09\x50\x6f\x9a\x09",
+					  6) < 0)
+		return -1;
+	/* P2P Action */
+	if (nl80211_register_action_frame(drv,
+					  (u8 *) "\x7f\x50\x6f\x9a\x09",
+					  5) < 0)
+		return -1;
+#endif /* CONFIG_P2P */
+#ifdef CONFIG_IEEE80211W
+	/* SA Query Response */
+	if (nl80211_register_action_frame(drv, (u8 *) "\x08\x01", 2) < 0)
+		return -1;
+#endif /* CONFIG_IEEE80211W */
+
+	/* FT Action frames */
+	if (nl80211_register_action_frame(drv, (u8 *) "\x06", 1) < 0)
+		return -1;
+	else
+		drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
+			WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
+
+	return 0;
+}
+
+
+static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
+{
+	wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
+}
+
+
+static int
+wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv)
+{
+	struct i802_bss *bss = &drv->first_bss;
+	int send_rfkill_event = 0;
+
+	drv->ifindex = if_nametoindex(bss->ifname);
+	drv->first_bss.ifindex = drv->ifindex;
+
+#ifndef HOSTAPD
+	if (wpa_driver_nl80211_set_mode(bss, IEEE80211_MODE_INFRA) < 0) {
+		wpa_printf(MSG_DEBUG, "nl80211: Could not configure driver to "
+			   "use managed mode");
+	}
+
+	if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 1)) {
+		if (rfkill_is_blocked(drv->rfkill)) {
+			wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
+				   "interface '%s' due to rfkill",
+				   bss->ifname);
+			drv->if_disabled = 1;
+			send_rfkill_event = 1;
+		} else {
+			wpa_printf(MSG_ERROR, "nl80211: Could not set "
+				   "interface '%s' UP", bss->ifname);
+			return -1;
+		}
+	}
+
+	netlink_send_oper_ifla(drv->netlink, drv->ifindex,
+			       1, IF_OPER_DORMANT);
+#endif /* HOSTAPD */
+
+	if (wpa_driver_nl80211_capa(drv))
+		return -1;
+
+	if (linux_get_ifhwaddr(drv->ioctl_sock, bss->ifname, drv->addr))
+		return -1;
+
+	if (nl80211_register_action_frames(drv) < 0) {
+		wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
+			   "frame processing - ignore for now");
+		/*
+		 * Older kernel versions did not support this, so ignore the
+		 * error for now. Some functionality may not be available
+		 * because of this.
+		 */
+	}
+
+	if (send_rfkill_event) {
+		eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
+				       drv, drv->ctx);
+	}
+
+	return 0;
+}
+
+
+static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
+{
+	struct nl_msg *msg;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_DEL_BEACON, 0);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+
+	return send_and_recv_msgs(drv, msg, NULL, NULL);
+ nla_put_failure:
+	return -ENOBUFS;
+}
+
+
+/**
+ * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
+ * @priv: Pointer to private nl80211 data from wpa_driver_nl80211_init()
+ *
+ * Shut down driver interface and processing of driver events. Free
+ * private data buffer if one was allocated in wpa_driver_nl80211_init().
+ */
+static void wpa_driver_nl80211_deinit(void *priv)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+
+	if (drv->nl_handle_preq)
+		wpa_driver_nl80211_probe_req_report(bss, 0);
+	if (bss->added_if_into_bridge) {
+		if (linux_br_del_if(drv->ioctl_sock, bss->brname, bss->ifname)
+		    < 0)
+			wpa_printf(MSG_INFO, "nl80211: Failed to remove "
+				   "interface %s from bridge %s: %s",
+				   bss->ifname, bss->brname, strerror(errno));
+	}
+	if (bss->added_bridge) {
+		if (linux_br_del(drv->ioctl_sock, bss->brname) < 0)
+			wpa_printf(MSG_INFO, "nl80211: Failed to remove "
+				   "bridge %s: %s",
+				   bss->brname, strerror(errno));
+	}
+
+	nl80211_remove_monitor_interface(drv);
+
+	if (drv->nlmode == NL80211_IFTYPE_AP)
+		wpa_driver_nl80211_del_beacon(drv);
+
+#ifdef HOSTAPD
+	if (drv->last_freq_ht) {
+		/* Clear HT flags from the driver */
+		struct hostapd_freq_params freq;
+		os_memset(&freq, 0, sizeof(freq));
+		freq.freq = drv->last_freq;
+		i802_set_freq(priv, &freq);
+	}
+
+	if (drv->eapol_sock >= 0) {
+		eloop_unregister_read_sock(drv->eapol_sock);
+		close(drv->eapol_sock);
+	}
+
+	if (drv->if_indices != drv->default_if_indices)
+		os_free(drv->if_indices);
+#endif /* HOSTAPD */
+
+	if (drv->disable_11b_rates)
+		nl80211_disable_11b_rates(drv, drv->ifindex, 0);
+
+	netlink_send_oper_ifla(drv->netlink, drv->ifindex, 0, IF_OPER_UP);
+	netlink_deinit(drv->netlink);
+	rfkill_deinit(drv->rfkill);
+
+	eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
+
+	(void) linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 0);
+	wpa_driver_nl80211_set_mode(bss, IEEE80211_MODE_INFRA);
+
+	if (drv->ioctl_sock >= 0)
+		close(drv->ioctl_sock);
+
+	eloop_unregister_read_sock(nl_socket_get_fd(drv->nl_handle_event));
+	genl_family_put(drv->nl80211);
+	nl_cache_free(drv->nl_cache);
+	nl_cache_free(drv->nl_cache_event);
+	nl80211_handle_destroy(drv->nl_handle);
+	nl80211_handle_destroy(drv->nl_handle_event);
+	nl_cb_put(drv->nl_cb);
+
+	os_free(drv->filter_ssids);
+
+	if (drv->global)
+		dl_list_del(&drv->list);
+
+	os_free(drv);
+}
+
+
+/**
+ * wpa_driver_nl80211_scan_timeout - Scan timeout to report scan completion
+ * @eloop_ctx: Driver private data
+ * @timeout_ctx: ctx argument given to wpa_driver_nl80211_init()
+ *
+ * This function can be used as registered timeout when starting a scan to
+ * generate a scan completed event if the driver does not report this.
+ */
+static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_driver_nl80211_data *drv = eloop_ctx;
+	if (drv->ap_scan_as_station) {
+		wpa_driver_nl80211_set_mode(&drv->first_bss,
+					    IEEE80211_MODE_AP);
+		drv->ap_scan_as_station = 0;
+	}
+	wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
+	wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
+}
+
+
+/**
+ * wpa_driver_nl80211_scan - Request the driver to initiate scan
+ * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
+ * @params: Scan parameters
+ * Returns: 0 on success, -1 on failure
+ */
+static int wpa_driver_nl80211_scan(void *priv,
+				   struct wpa_driver_scan_params *params)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	int ret = 0, timeout;
+	struct nl_msg *msg, *ssids, *freqs;
+	size_t i;
+
+	msg = nlmsg_alloc();
+	ssids = nlmsg_alloc();
+	freqs = nlmsg_alloc();
+	if (!msg || !ssids || !freqs) {
+		nlmsg_free(msg);
+		nlmsg_free(ssids);
+		nlmsg_free(freqs);
+		return -1;
+	}
+
+	os_free(drv->filter_ssids);
+	drv->filter_ssids = params->filter_ssids;
+	params->filter_ssids = NULL;
+	drv->num_filter_ssids = params->num_filter_ssids;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+		    NL80211_CMD_TRIGGER_SCAN, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+
+	for (i = 0; i < params->num_ssids; i++) {
+		wpa_hexdump_ascii(MSG_MSGDUMP, "nl80211: Scan SSID",
+				  params->ssids[i].ssid,
+				  params->ssids[i].ssid_len);
+		NLA_PUT(ssids, i + 1, params->ssids[i].ssid_len,
+			params->ssids[i].ssid);
+	}
+	if (params->num_ssids)
+		nla_put_nested(msg, NL80211_ATTR_SCAN_SSIDS, ssids);
+
+	if (params->extra_ies) {
+		wpa_hexdump_ascii(MSG_MSGDUMP, "nl80211: Scan extra IEs",
+				  params->extra_ies, params->extra_ies_len);
+		NLA_PUT(msg, NL80211_ATTR_IE, params->extra_ies_len,
+			params->extra_ies);
+	}
+
+	if (params->freqs) {
+		for (i = 0; params->freqs[i]; i++) {
+			wpa_printf(MSG_MSGDUMP, "nl80211: Scan frequency %u "
+				   "MHz", params->freqs[i]);
+			NLA_PUT_U32(freqs, i + 1, params->freqs[i]);
+		}
+		nla_put_nested(msg, NL80211_ATTR_SCAN_FREQUENCIES, freqs);
+	}
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	msg = NULL;
+	if (ret) {
+		wpa_printf(MSG_DEBUG, "nl80211: Scan trigger failed: ret=%d "
+			   "(%s)", ret, strerror(-ret));
+#ifdef HOSTAPD
+		if (drv->nlmode == NL80211_IFTYPE_AP) {
+			/*
+			 * mac80211 does not allow scan requests in AP mode, so
+			 * try to do this in station mode.
+			 */
+			if (wpa_driver_nl80211_set_mode(bss,
+							IEEE80211_MODE_INFRA))
+				goto nla_put_failure;
+
+			if (wpa_driver_nl80211_scan(drv, params)) {
+				wpa_driver_nl80211_set_mode(bss,
+							    IEEE80211_MODE_AP);
+				goto nla_put_failure;
+			}
+
+			/* Restore AP mode when processing scan results */
+			drv->ap_scan_as_station = 1;
+			ret = 0;
+		} else
+			goto nla_put_failure;
+#else /* HOSTAPD */
+		goto nla_put_failure;
+#endif /* HOSTAPD */
+	}
+
+	/* Not all drivers generate "scan completed" wireless event, so try to
+	 * read results after a timeout. */
+	timeout = 10;
+	if (drv->scan_complete_events) {
+		/*
+		 * The driver seems to deliver events to notify when scan is
+		 * complete, so use longer timeout to avoid race conditions
+		 * with scanning and following association request.
+		 */
+		timeout = 30;
+	}
+	wpa_printf(MSG_DEBUG, "Scan requested (ret=%d) - scan timeout %d "
+		   "seconds", ret, timeout);
+	eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
+	eloop_register_timeout(timeout, 0, wpa_driver_nl80211_scan_timeout,
+			       drv, drv->ctx);
+
+nla_put_failure:
+	nlmsg_free(ssids);
+	nlmsg_free(msg);
+	nlmsg_free(freqs);
+	return ret;
+}
+
+
+static const u8 * nl80211_get_ie(const u8 *ies, size_t ies_len, u8 ie)
+{
+	const u8 *end, *pos;
+
+	if (ies == NULL)
+		return NULL;
+
+	pos = ies;
+	end = ies + ies_len;
+
+	while (pos + 1 < end) {
+		if (pos + 2 + pos[1] > end)
+			break;
+		if (pos[0] == ie)
+			return pos;
+		pos += 2 + pos[1];
+	}
+
+	return NULL;
+}
+
+
+static int nl80211_scan_filtered(struct wpa_driver_nl80211_data *drv,
+				 const u8 *ie, size_t ie_len)
+{
+	const u8 *ssid;
+	size_t i;
+
+	if (drv->filter_ssids == NULL)
+		return 0;
+
+	ssid = nl80211_get_ie(ie, ie_len, WLAN_EID_SSID);
+	if (ssid == NULL)
+		return 1;
+
+	for (i = 0; i < drv->num_filter_ssids; i++) {
+		if (ssid[1] == drv->filter_ssids[i].ssid_len &&
+		    os_memcmp(ssid + 2, drv->filter_ssids[i].ssid, ssid[1]) ==
+		    0)
+			return 0;
+	}
+
+	return 1;
+}
+
+
+struct nl80211_bss_info_arg {
+	struct wpa_driver_nl80211_data *drv;
+	struct wpa_scan_results *res;
+};
+
+static int bss_info_handler(struct nl_msg *msg, void *arg)
+{
+	struct nlattr *tb[NL80211_ATTR_MAX + 1];
+	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+	struct nlattr *bss[NL80211_BSS_MAX + 1];
+	static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
+		[NL80211_BSS_BSSID] = { .type = NLA_UNSPEC },
+		[NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
+		[NL80211_BSS_TSF] = { .type = NLA_U64 },
+		[NL80211_BSS_BEACON_INTERVAL] = { .type = NLA_U16 },
+		[NL80211_BSS_CAPABILITY] = { .type = NLA_U16 },
+		[NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC },
+		[NL80211_BSS_SIGNAL_MBM] = { .type = NLA_U32 },
+		[NL80211_BSS_SIGNAL_UNSPEC] = { .type = NLA_U8 },
+		[NL80211_BSS_STATUS] = { .type = NLA_U32 },
+		[NL80211_BSS_SEEN_MS_AGO] = { .type = NLA_U32 },
+		[NL80211_BSS_BEACON_IES] = { .type = NLA_UNSPEC },
+	};
+	struct nl80211_bss_info_arg *_arg = arg;
+	struct wpa_scan_results *res = _arg->res;
+	struct wpa_scan_res **tmp;
+	struct wpa_scan_res *r;
+	const u8 *ie, *beacon_ie;
+	size_t ie_len, beacon_ie_len;
+	u8 *pos;
+
+	nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+		  genlmsg_attrlen(gnlh, 0), NULL);
+	if (!tb[NL80211_ATTR_BSS])
+		return NL_SKIP;
+	if (nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
+			     bss_policy))
+		return NL_SKIP;
+	if (bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
+		ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
+		ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
+	} else {
+		ie = NULL;
+		ie_len = 0;
+	}
+	if (bss[NL80211_BSS_BEACON_IES]) {
+		beacon_ie = nla_data(bss[NL80211_BSS_BEACON_IES]);
+		beacon_ie_len = nla_len(bss[NL80211_BSS_BEACON_IES]);
+	} else {
+		beacon_ie = NULL;
+		beacon_ie_len = 0;
+	}
+
+	if (nl80211_scan_filtered(_arg->drv, ie ? ie : beacon_ie,
+				  ie ? ie_len : beacon_ie_len))
+		return NL_SKIP;
+
+	r = os_zalloc(sizeof(*r) + ie_len + beacon_ie_len);
+	if (r == NULL)
+		return NL_SKIP;
+	if (bss[NL80211_BSS_BSSID])
+		os_memcpy(r->bssid, nla_data(bss[NL80211_BSS_BSSID]),
+			  ETH_ALEN);
+	if (bss[NL80211_BSS_FREQUENCY])
+		r->freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
+	if (bss[NL80211_BSS_BEACON_INTERVAL])
+		r->beacon_int = nla_get_u16(bss[NL80211_BSS_BEACON_INTERVAL]);
+	if (bss[NL80211_BSS_CAPABILITY])
+		r->caps = nla_get_u16(bss[NL80211_BSS_CAPABILITY]);
+	r->flags |= WPA_SCAN_NOISE_INVALID;
+	if (bss[NL80211_BSS_SIGNAL_MBM]) {
+		r->level = nla_get_u32(bss[NL80211_BSS_SIGNAL_MBM]);
+		r->level /= 100; /* mBm to dBm */
+		r->flags |= WPA_SCAN_LEVEL_DBM | WPA_SCAN_QUAL_INVALID;
+	} else if (bss[NL80211_BSS_SIGNAL_UNSPEC]) {
+		r->level = nla_get_u8(bss[NL80211_BSS_SIGNAL_UNSPEC]);
+		r->flags |= WPA_SCAN_LEVEL_INVALID;
+	} else
+		r->flags |= WPA_SCAN_LEVEL_INVALID | WPA_SCAN_QUAL_INVALID;
+	if (bss[NL80211_BSS_TSF])
+		r->tsf = nla_get_u64(bss[NL80211_BSS_TSF]);
+	if (bss[NL80211_BSS_SEEN_MS_AGO])
+		r->age = nla_get_u32(bss[NL80211_BSS_SEEN_MS_AGO]);
+	r->ie_len = ie_len;
+	pos = (u8 *) (r + 1);
+	if (ie) {
+		os_memcpy(pos, ie, ie_len);
+		pos += ie_len;
+	}
+	r->beacon_ie_len = beacon_ie_len;
+	if (beacon_ie)
+		os_memcpy(pos, beacon_ie, beacon_ie_len);
+
+	if (bss[NL80211_BSS_STATUS]) {
+		enum nl80211_bss_status status;
+		status = nla_get_u32(bss[NL80211_BSS_STATUS]);
+		switch (status) {
+		case NL80211_BSS_STATUS_AUTHENTICATED:
+			r->flags |= WPA_SCAN_AUTHENTICATED;
+			break;
+		case NL80211_BSS_STATUS_ASSOCIATED:
+			r->flags |= WPA_SCAN_ASSOCIATED;
+			break;
+		default:
+			break;
+		}
+	}
+
+	tmp = os_realloc(res->res,
+			 (res->num + 1) * sizeof(struct wpa_scan_res *));
+	if (tmp == NULL) {
+		os_free(r);
+		return NL_SKIP;
+	}
+	tmp[res->num++] = r;
+	res->res = tmp;
+
+	return NL_SKIP;
+}
+
+
+static void clear_state_mismatch(struct wpa_driver_nl80211_data *drv,
+				 const u8 *addr)
+{
+	if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
+		wpa_printf(MSG_DEBUG, "nl80211: Clear possible state "
+			   "mismatch (" MACSTR ")", MAC2STR(addr));
+		wpa_driver_nl80211_mlme(drv, addr,
+					NL80211_CMD_DEAUTHENTICATE,
+					WLAN_REASON_PREV_AUTH_NOT_VALID, 1);
+	}
+}
+
+
+static void wpa_driver_nl80211_check_bss_status(
+	struct wpa_driver_nl80211_data *drv, struct wpa_scan_results *res)
+{
+	size_t i;
+
+	for (i = 0; i < res->num; i++) {
+		struct wpa_scan_res *r = res->res[i];
+		if (r->flags & WPA_SCAN_AUTHENTICATED) {
+			wpa_printf(MSG_DEBUG, "nl80211: Scan results "
+				   "indicates BSS status with " MACSTR
+				   " as authenticated",
+				   MAC2STR(r->bssid));
+			if (drv->nlmode == NL80211_IFTYPE_STATION &&
+			    os_memcmp(r->bssid, drv->bssid, ETH_ALEN) != 0 &&
+			    os_memcmp(r->bssid, drv->auth_bssid, ETH_ALEN) !=
+			    0) {
+				wpa_printf(MSG_DEBUG, "nl80211: Unknown BSSID"
+					   " in local state (auth=" MACSTR
+					   " assoc=" MACSTR ")",
+					   MAC2STR(drv->auth_bssid),
+					   MAC2STR(drv->bssid));
+				clear_state_mismatch(drv, r->bssid);
+			}
+		}
+
+		if (r->flags & WPA_SCAN_ASSOCIATED) {
+			wpa_printf(MSG_DEBUG, "nl80211: Scan results "
+				   "indicate BSS status with " MACSTR
+				   " as associated",
+				   MAC2STR(r->bssid));
+			if (drv->nlmode == NL80211_IFTYPE_STATION &&
+			    !drv->associated) {
+				wpa_printf(MSG_DEBUG, "nl80211: Local state "
+					   "(not associated) does not match "
+					   "with BSS state");
+				clear_state_mismatch(drv, r->bssid);
+			} else if (drv->nlmode == NL80211_IFTYPE_STATION &&
+				   os_memcmp(drv->bssid, r->bssid, ETH_ALEN) !=
+				   0) {
+				wpa_printf(MSG_DEBUG, "nl80211: Local state "
+					   "(associated with " MACSTR ") does "
+					   "not match with BSS state",
+					   MAC2STR(drv->bssid));
+				clear_state_mismatch(drv, r->bssid);
+				clear_state_mismatch(drv, drv->bssid);
+			}
+		}
+	}
+}
+
+
+static void wpa_scan_results_free(struct wpa_scan_results *res)
+{
+	size_t i;
+
+	if (res == NULL)
+		return;
+
+	for (i = 0; i < res->num; i++)
+		os_free(res->res[i]);
+	os_free(res->res);
+	os_free(res);
+}
+
+
+static struct wpa_scan_results *
+nl80211_get_scan_results(struct wpa_driver_nl80211_data *drv)
+{
+	struct nl_msg *msg;
+	struct wpa_scan_results *res;
+	int ret;
+	struct nl80211_bss_info_arg arg;
+
+	res = os_zalloc(sizeof(*res));
+	if (res == NULL)
+		return NULL;
+	msg = nlmsg_alloc();
+	if (!msg)
+		goto nla_put_failure;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, NLM_F_DUMP,
+		    NL80211_CMD_GET_SCAN, 0);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+
+	arg.drv = drv;
+	arg.res = res;
+	ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
+	msg = NULL;
+	if (ret == 0) {
+		wpa_printf(MSG_DEBUG, "Received scan results (%lu BSSes)",
+			   (unsigned long) res->num);
+		return res;
+	}
+	wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
+		   "(%s)", ret, strerror(-ret));
+nla_put_failure:
+	nlmsg_free(msg);
+	wpa_scan_results_free(res);
+	return NULL;
+}
+
+
+/**
+ * wpa_driver_nl80211_get_scan_results - Fetch the latest scan results
+ * @priv: Pointer to private wext data from wpa_driver_nl80211_init()
+ * Returns: Scan results on success, -1 on failure
+ */
+static struct wpa_scan_results *
+wpa_driver_nl80211_get_scan_results(void *priv)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct wpa_scan_results *res;
+
+	res = nl80211_get_scan_results(drv);
+	if (res)
+		wpa_driver_nl80211_check_bss_status(drv, res);
+	return res;
+}
+
+
+static void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv)
+{
+	struct wpa_scan_results *res;
+	size_t i;
+
+	res = nl80211_get_scan_results(drv);
+	if (res == NULL) {
+		wpa_printf(MSG_DEBUG, "nl80211: Failed to get scan results");
+		return;
+	}
+
+	wpa_printf(MSG_DEBUG, "nl80211: Scan result dump");
+	for (i = 0; i < res->num; i++) {
+		struct wpa_scan_res *r = res->res[i];
+		wpa_printf(MSG_DEBUG, "nl80211: %d/%d " MACSTR "%s%s",
+			   (int) i, (int) res->num, MAC2STR(r->bssid),
+			   r->flags & WPA_SCAN_AUTHENTICATED ? " [auth]" : "",
+			   r->flags & WPA_SCAN_ASSOCIATED ? " [assoc]" : "");
+	}
+
+	wpa_scan_results_free(res);
+}
+
+
+static int wpa_driver_nl80211_set_key(const char *ifname, void *priv,
+				      enum wpa_alg alg, const u8 *addr,
+				      int key_idx, int set_tx,
+				      const u8 *seq, size_t seq_len,
+				      const u8 *key, size_t key_len)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	int ifindex = if_nametoindex(ifname);
+	struct nl_msg *msg;
+	int ret;
+
+	wpa_printf(MSG_DEBUG, "%s: ifindex=%d alg=%d addr=%p key_idx=%d "
+		   "set_tx=%d seq_len=%lu key_len=%lu",
+		   __func__, ifindex, alg, addr, key_idx, set_tx,
+		   (unsigned long) seq_len, (unsigned long) key_len);
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	if (alg == WPA_ALG_NONE) {
+		genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+			    0, NL80211_CMD_DEL_KEY, 0);
+	} else {
+		genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+			    0, NL80211_CMD_NEW_KEY, 0);
+		NLA_PUT(msg, NL80211_ATTR_KEY_DATA, key_len, key);
+		switch (alg) {
+		case WPA_ALG_WEP:
+			if (key_len == 5)
+				NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
+					    WLAN_CIPHER_SUITE_WEP40);
+			else
+				NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
+					    WLAN_CIPHER_SUITE_WEP104);
+			break;
+		case WPA_ALG_TKIP:
+			NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
+				    WLAN_CIPHER_SUITE_TKIP);
+			break;
+		case WPA_ALG_CCMP:
+			NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
+				    WLAN_CIPHER_SUITE_CCMP);
+			break;
+		case WPA_ALG_IGTK:
+			NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
+				    WLAN_CIPHER_SUITE_AES_CMAC);
+			break;
+		default:
+			wpa_printf(MSG_ERROR, "%s: Unsupported encryption "
+				   "algorithm %d", __func__, alg);
+			nlmsg_free(msg);
+			return -1;
+		}
+	}
+
+	if (seq && seq_len)
+		NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq);
+
+	if (addr && !is_broadcast_ether_addr(addr)) {
+		wpa_printf(MSG_DEBUG, "   addr=" MACSTR, MAC2STR(addr));
+		NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+
+		if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
+			wpa_printf(MSG_DEBUG, "   RSN IBSS RX GTK");
+			NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE,
+				    NL80211_KEYTYPE_GROUP);
+		}
+	} else if (addr && is_broadcast_ether_addr(addr)) {
+		struct nl_msg *types;
+		int err;
+		wpa_printf(MSG_DEBUG, "   broadcast key");
+		types = nlmsg_alloc();
+		if (!types)
+			goto nla_put_failure;
+		NLA_PUT_FLAG(types, NL80211_KEY_DEFAULT_TYPE_MULTICAST);
+		err = nla_put_nested(msg, NL80211_ATTR_KEY_DEFAULT_TYPES,
+				     types);
+		nlmsg_free(types);
+		if (err)
+			goto nla_put_failure;
+	}
+	NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
+		ret = 0;
+	if (ret)
+		wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
+			   ret, strerror(-ret));
+
+	/*
+	 * If we failed or don't need to set the default TX key (below),
+	 * we're done here.
+	 */
+	if (ret || !set_tx || alg == WPA_ALG_NONE)
+		return ret;
+	if (drv->nlmode == NL80211_IFTYPE_AP && addr &&
+	    !is_broadcast_ether_addr(addr))
+		return ret;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_SET_KEY, 0);
+	NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
+	if (alg == WPA_ALG_IGTK)
+		NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT_MGMT);
+	else
+		NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT);
+	if (addr && is_broadcast_ether_addr(addr)) {
+		struct nl_msg *types;
+		int err;
+		types = nlmsg_alloc();
+		if (!types)
+			goto nla_put_failure;
+		NLA_PUT_FLAG(types, NL80211_KEY_DEFAULT_TYPE_MULTICAST);
+		err = nla_put_nested(msg, NL80211_ATTR_KEY_DEFAULT_TYPES,
+				     types);
+		nlmsg_free(types);
+		if (err)
+			goto nla_put_failure;
+	} else if (addr) {
+		struct nl_msg *types;
+		int err;
+		types = nlmsg_alloc();
+		if (!types)
+			goto nla_put_failure;
+		NLA_PUT_FLAG(types, NL80211_KEY_DEFAULT_TYPE_UNICAST);
+		err = nla_put_nested(msg, NL80211_ATTR_KEY_DEFAULT_TYPES,
+				     types);
+		nlmsg_free(types);
+		if (err)
+			goto nla_put_failure;
+	}
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	if (ret == -ENOENT)
+		ret = 0;
+	if (ret)
+		wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
+			   "err=%d %s)", ret, strerror(-ret));
+	return ret;
+
+nla_put_failure:
+	return -ENOBUFS;
+}
+
+
+static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
+		      int key_idx, int defkey,
+		      const u8 *seq, size_t seq_len,
+		      const u8 *key, size_t key_len)
+{
+	struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
+	if (!key_attr)
+		return -1;
+
+	if (defkey && alg == WPA_ALG_IGTK)
+		NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_MGMT);
+	else if (defkey)
+		NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT);
+
+	NLA_PUT_U8(msg, NL80211_KEY_IDX, key_idx);
+
+	switch (alg) {
+	case WPA_ALG_WEP:
+		if (key_len == 5)
+			NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
+				    WLAN_CIPHER_SUITE_WEP40);
+		else
+			NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
+				    WLAN_CIPHER_SUITE_WEP104);
+		break;
+	case WPA_ALG_TKIP:
+		NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_TKIP);
+		break;
+	case WPA_ALG_CCMP:
+		NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_CCMP);
+		break;
+	case WPA_ALG_IGTK:
+		NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
+			    WLAN_CIPHER_SUITE_AES_CMAC);
+		break;
+	default:
+		wpa_printf(MSG_ERROR, "%s: Unsupported encryption "
+			   "algorithm %d", __func__, alg);
+		return -1;
+	}
+
+	if (seq && seq_len)
+		NLA_PUT(msg, NL80211_KEY_SEQ, seq_len, seq);
+
+	NLA_PUT(msg, NL80211_KEY_DATA, key_len, key);
+
+	nla_nest_end(msg, key_attr);
+
+	return 0;
+ nla_put_failure:
+	return -1;
+}
+
+
+static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
+				 struct nl_msg *msg)
+{
+	int i, privacy = 0;
+	struct nlattr *nl_keys, *nl_key;
+
+	for (i = 0; i < 4; i++) {
+		if (!params->wep_key[i])
+			continue;
+		privacy = 1;
+		break;
+	}
+	if (params->wps == WPS_MODE_PRIVACY)
+		privacy = 1;
+	if (params->pairwise_suite &&
+	    params->pairwise_suite != WPA_CIPHER_NONE)
+		privacy = 1;
+
+	if (!privacy)
+		return 0;
+
+	NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY);
+
+	nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
+	if (!nl_keys)
+		goto nla_put_failure;
+
+	for (i = 0; i < 4; i++) {
+		if (!params->wep_key[i])
+			continue;
+
+		nl_key = nla_nest_start(msg, i);
+		if (!nl_key)
+			goto nla_put_failure;
+
+		NLA_PUT(msg, NL80211_KEY_DATA, params->wep_key_len[i],
+			params->wep_key[i]);
+		if (params->wep_key_len[i] == 5)
+			NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
+				    WLAN_CIPHER_SUITE_WEP40);
+		else
+			NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
+				    WLAN_CIPHER_SUITE_WEP104);
+
+		NLA_PUT_U8(msg, NL80211_KEY_IDX, i);
+
+		if (i == params->wep_tx_keyidx)
+			NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT);
+
+		nla_nest_end(msg, nl_key);
+	}
+	nla_nest_end(msg, nl_keys);
+
+	return 0;
+
+nla_put_failure:
+	return -ENOBUFS;
+}
+
+
+static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
+				   const u8 *addr, int cmd, u16 reason_code,
+				   int local_state_change)
+{
+	int ret = -1;
+	struct nl_msg *msg;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -1;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0, cmd, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+	NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason_code);
+	NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+	if (local_state_change)
+		NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE);
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	msg = NULL;
+	if (ret) {
+		wpa_printf(MSG_DEBUG, "nl80211: MLME command failed: ret=%d "
+			   "(%s)", ret, strerror(-ret));
+		goto nla_put_failure;
+	}
+	ret = 0;
+
+nla_put_failure:
+	nlmsg_free(msg);
+	return ret;
+}
+
+
+static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
+					 const u8 *addr, int reason_code)
+{
+	wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
+		   __func__, MAC2STR(addr), reason_code);
+	drv->associated = 0;
+	return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DISCONNECT,
+				       reason_code, 0);
+}
+
+
+static int wpa_driver_nl80211_deauthenticate(void *priv, const u8 *addr,
+					     int reason_code)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
+		return wpa_driver_nl80211_disconnect(drv, addr, reason_code);
+	wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
+		   __func__, MAC2STR(addr), reason_code);
+	drv->associated = 0;
+	if (drv->nlmode == NL80211_IFTYPE_ADHOC)
+		return nl80211_leave_ibss(drv);
+	return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
+				       reason_code, 0);
+}
+
+
+static int wpa_driver_nl80211_disassociate(void *priv, const u8 *addr,
+					   int reason_code)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
+		return wpa_driver_nl80211_disconnect(drv, addr, reason_code);
+	wpa_printf(MSG_DEBUG, "%s", __func__);
+	drv->associated = 0;
+	return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DISASSOCIATE,
+				       reason_code, 0);
+}
+
+
+static int wpa_driver_nl80211_authenticate(
+	void *priv, struct wpa_driver_auth_params *params)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	int ret = -1, i;
+	struct nl_msg *msg;
+	enum nl80211_auth_type type;
+	int count = 0;
+
+	drv->associated = 0;
+	os_memset(drv->auth_bssid, 0, ETH_ALEN);
+	/* FIX: IBSS mode */
+	if (drv->nlmode != NL80211_IFTYPE_STATION &&
+	    wpa_driver_nl80211_set_mode(priv, IEEE80211_MODE_INFRA) < 0)
+		return -1;
+
+retry:
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -1;
+
+	wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
+		   drv->ifindex);
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+		    NL80211_CMD_AUTHENTICATE, 0);
+
+	for (i = 0; i < 4; i++) {
+		if (!params->wep_key[i])
+			continue;
+		wpa_driver_nl80211_set_key(bss->ifname, priv, WPA_ALG_WEP,
+					   NULL, i,
+					   i == params->wep_tx_keyidx, NULL, 0,
+					   params->wep_key[i],
+					   params->wep_key_len[i]);
+		if (params->wep_tx_keyidx != i)
+			continue;
+		if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
+			       params->wep_key[i], params->wep_key_len[i])) {
+			nlmsg_free(msg);
+			return -1;
+		}
+	}
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+	if (params->bssid) {
+		wpa_printf(MSG_DEBUG, "  * bssid=" MACSTR,
+			   MAC2STR(params->bssid));
+		NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
+	}
+	if (params->freq) {
+		wpa_printf(MSG_DEBUG, "  * freq=%d", params->freq);
+		NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
+	}
+	if (params->ssid) {
+		wpa_hexdump_ascii(MSG_DEBUG, "  * SSID",
+				  params->ssid, params->ssid_len);
+		NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
+			params->ssid);
+	}
+	wpa_hexdump(MSG_DEBUG, "  * IEs", params->ie, params->ie_len);
+	if (params->ie)
+		NLA_PUT(msg, NL80211_ATTR_IE, params->ie_len, params->ie);
+	if (params->auth_alg & WPA_AUTH_ALG_OPEN)
+		type = NL80211_AUTHTYPE_OPEN_SYSTEM;
+	else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
+		type = NL80211_AUTHTYPE_SHARED_KEY;
+	else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
+		type = NL80211_AUTHTYPE_NETWORK_EAP;
+	else if (params->auth_alg & WPA_AUTH_ALG_FT)
+		type = NL80211_AUTHTYPE_FT;
+	else
+		goto nla_put_failure;
+	wpa_printf(MSG_DEBUG, "  * Auth Type %d", type);
+	NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type);
+	if (params->local_state_change) {
+		wpa_printf(MSG_DEBUG, "  * Local state change only");
+		NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE);
+	}
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	msg = NULL;
+	if (ret) {
+		wpa_printf(MSG_DEBUG, "nl80211: MLME command failed: ret=%d "
+			   "(%s)", ret, strerror(-ret));
+		count++;
+		if (ret == -EALREADY && count == 1 && params->bssid &&
+		    !params->local_state_change) {
+			/*
+			 * mac80211 does not currently accept new
+			 * authentication if we are already authenticated. As a
+			 * workaround, force deauthentication and try again.
+			 */
+			wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
+				   "after forced deauthentication");
+			wpa_driver_nl80211_deauthenticate(
+				bss, params->bssid,
+				WLAN_REASON_PREV_AUTH_NOT_VALID);
+			nlmsg_free(msg);
+			goto retry;
+		}
+		goto nla_put_failure;
+	}
+	ret = 0;
+	wpa_printf(MSG_DEBUG, "nl80211: Authentication request send "
+		   "successfully");
+
+nla_put_failure:
+	nlmsg_free(msg);
+	return ret;
+}
+
+
+struct phy_info_arg {
+	u16 *num_modes;
+	struct hostapd_hw_modes *modes;
+};
+
+static int phy_info_handler(struct nl_msg *msg, void *arg)
+{
+	struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
+	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+	struct phy_info_arg *phy_info = arg;
+
+	struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
+
+	struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
+	static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
+		[NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
+		[NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
+		[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] = { .type = NLA_FLAG },
+		[NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
+		[NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
+		[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
+	};
+
+	struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
+	static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
+		[NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
+		[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = { .type = NLA_FLAG },
+	};
+
+	struct nlattr *nl_band;
+	struct nlattr *nl_freq;
+	struct nlattr *nl_rate;
+	int rem_band, rem_freq, rem_rate;
+	struct hostapd_hw_modes *mode;
+	int idx, mode_is_set;
+
+	nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+		  genlmsg_attrlen(gnlh, 0), NULL);
+
+	if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
+		return NL_SKIP;
+
+	nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) {
+		mode = os_realloc(phy_info->modes, (*phy_info->num_modes + 1) * sizeof(*mode));
+		if (!mode)
+			return NL_SKIP;
+		phy_info->modes = mode;
+
+		mode_is_set = 0;
+
+		mode = &phy_info->modes[*(phy_info->num_modes)];
+		memset(mode, 0, sizeof(*mode));
+		*(phy_info->num_modes) += 1;
+
+		nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
+			  nla_len(nl_band), NULL);
+
+		if (tb_band[NL80211_BAND_ATTR_HT_CAPA]) {
+			mode->ht_capab = nla_get_u16(
+				tb_band[NL80211_BAND_ATTR_HT_CAPA]);
+		}
+
+		if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]) {
+			mode->a_mpdu_params |= nla_get_u8(
+				tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]) &
+				0x03;
+		}
+
+		if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]) {
+			mode->a_mpdu_params |= nla_get_u8(
+				tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]) <<
+				2;
+		}
+
+		if (tb_band[NL80211_BAND_ATTR_HT_MCS_SET] &&
+		    nla_len(tb_band[NL80211_BAND_ATTR_HT_MCS_SET])) {
+			u8 *mcs;
+			mcs = nla_data(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
+			os_memcpy(mode->mcs_set, mcs, 16);
+		}
+
+		nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) {
+			nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq),
+				  nla_len(nl_freq), freq_policy);
+			if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
+				continue;
+			mode->num_channels++;
+		}
+
+		mode->channels = os_zalloc(mode->num_channels * sizeof(struct hostapd_channel_data));
+		if (!mode->channels)
+			return NL_SKIP;
+
+		idx = 0;
+
+		nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) {
+			nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq),
+				  nla_len(nl_freq), freq_policy);
+			if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
+				continue;
+
+			mode->channels[idx].freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
+			mode->channels[idx].flag = 0;
+
+			if (!mode_is_set) {
+				/* crude heuristic */
+				if (mode->channels[idx].freq < 4000)
+					mode->mode = HOSTAPD_MODE_IEEE80211B;
+				else
+					mode->mode = HOSTAPD_MODE_IEEE80211A;
+				mode_is_set = 1;
+			}
+
+			/* crude heuristic */
+			if (mode->channels[idx].freq < 4000)
+				if (mode->channels[idx].freq == 2484)
+					mode->channels[idx].chan = 14;
+				else
+					mode->channels[idx].chan = (mode->channels[idx].freq - 2407) / 5;
+			else
+				mode->channels[idx].chan = mode->channels[idx].freq/5 - 1000;
+
+			if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
+				mode->channels[idx].flag |=
+					HOSTAPD_CHAN_DISABLED;
+			if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN])
+				mode->channels[idx].flag |=
+					HOSTAPD_CHAN_PASSIVE_SCAN;
+			if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IBSS])
+				mode->channels[idx].flag |=
+					HOSTAPD_CHAN_NO_IBSS;
+			if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
+				mode->channels[idx].flag |=
+					HOSTAPD_CHAN_RADAR;
+
+			if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] &&
+			    !tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
+				mode->channels[idx].max_tx_power =
+					nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]) / 100;
+
+			idx++;
+		}
+
+		nla_for_each_nested(nl_rate, tb_band[NL80211_BAND_ATTR_RATES], rem_rate) {
+			nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, nla_data(nl_rate),
+				  nla_len(nl_rate), rate_policy);
+			if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
+				continue;
+			mode->num_rates++;
+		}
+
+		mode->rates = os_zalloc(mode->num_rates * sizeof(int));
+		if (!mode->rates)
+			return NL_SKIP;
+
+		idx = 0;
+
+		nla_for_each_nested(nl_rate, tb_band[NL80211_BAND_ATTR_RATES], rem_rate) {
+			nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, nla_data(nl_rate),
+				  nla_len(nl_rate), rate_policy);
+			if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
+				continue;
+			mode->rates[idx] = nla_get_u32(tb_rate[NL80211_BITRATE_ATTR_RATE]);
+
+			/* crude heuristic */
+			if (mode->mode == HOSTAPD_MODE_IEEE80211B &&
+			    mode->rates[idx] > 200)
+				mode->mode = HOSTAPD_MODE_IEEE80211G;
+
+			idx++;
+		}
+	}
+
+	return NL_SKIP;
+}
+
+static struct hostapd_hw_modes *
+wpa_driver_nl80211_add_11b(struct hostapd_hw_modes *modes, u16 *num_modes)
+{
+	u16 m;
+	struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
+	int i, mode11g_idx = -1;
+
+	/* If only 802.11g mode is included, use it to construct matching
+	 * 802.11b mode data. */
+
+	for (m = 0; m < *num_modes; m++) {
+		if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
+			return modes; /* 802.11b already included */
+		if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
+			mode11g_idx = m;
+	}
+
+	if (mode11g_idx < 0)
+		return modes; /* 2.4 GHz band not supported at all */
+
+	nmodes = os_realloc(modes, (*num_modes + 1) * sizeof(*nmodes));
+	if (nmodes == NULL)
+		return modes; /* Could not add 802.11b mode */
+
+	mode = &nmodes[*num_modes];
+	os_memset(mode, 0, sizeof(*mode));
+	(*num_modes)++;
+	modes = nmodes;
+
+	mode->mode = HOSTAPD_MODE_IEEE80211B;
+
+	mode11g = &modes[mode11g_idx];
+	mode->num_channels = mode11g->num_channels;
+	mode->channels = os_malloc(mode11g->num_channels *
+				   sizeof(struct hostapd_channel_data));
+	if (mode->channels == NULL) {
+		(*num_modes)--;
+		return modes; /* Could not add 802.11b mode */
+	}
+	os_memcpy(mode->channels, mode11g->channels,
+		  mode11g->num_channels * sizeof(struct hostapd_channel_data));
+
+	mode->num_rates = 0;
+	mode->rates = os_malloc(4 * sizeof(int));
+	if (mode->rates == NULL) {
+		os_free(mode->channels);
+		(*num_modes)--;
+		return modes; /* Could not add 802.11b mode */
+	}
+
+	for (i = 0; i < mode11g->num_rates; i++) {
+		if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
+		    mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
+			continue;
+		mode->rates[mode->num_rates] = mode11g->rates[i];
+		mode->num_rates++;
+		if (mode->num_rates == 4)
+			break;
+	}
+
+	if (mode->num_rates == 0) {
+		os_free(mode->channels);
+		os_free(mode->rates);
+		(*num_modes)--;
+		return modes; /* No 802.11b rates */
+	}
+
+	wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
+		   "information");
+
+	return modes;
+}
+
+
+static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
+				  int end)
+{
+	int c;
+
+	for (c = 0; c < mode->num_channels; c++) {
+		struct hostapd_channel_data *chan = &mode->channels[c];
+		if (chan->freq - 10 >= start && chan->freq + 10 <= end)
+			chan->flag |= HOSTAPD_CHAN_HT40;
+	}
+}
+
+
+static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
+				      int end)
+{
+	int c;
+
+	for (c = 0; c < mode->num_channels; c++) {
+		struct hostapd_channel_data *chan = &mode->channels[c];
+		if (!(chan->flag & HOSTAPD_CHAN_HT40))
+			continue;
+		if (chan->freq - 30 >= start && chan->freq - 10 <= end)
+			chan->flag |= HOSTAPD_CHAN_HT40MINUS;
+		if (chan->freq + 10 >= start && chan->freq + 30 <= end)
+			chan->flag |= HOSTAPD_CHAN_HT40PLUS;
+	}
+}
+
+
+static void nl80211_reg_rule_ht40(struct nlattr *tb[],
+				  struct phy_info_arg *results)
+{
+	u32 start, end, max_bw;
+	u16 m;
+
+	if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
+	    tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
+	    tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
+		return;
+
+	start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
+	end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
+	max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
+
+	wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz",
+		   start, end, max_bw);
+	if (max_bw < 40)
+		return;
+
+	for (m = 0; m < *results->num_modes; m++) {
+		if (!(results->modes[m].ht_capab &
+		      HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
+			continue;
+		nl80211_set_ht40_mode(&results->modes[m], start, end);
+	}
+}
+
+
+static void nl80211_reg_rule_sec(struct nlattr *tb[],
+				 struct phy_info_arg *results)
+{
+	u32 start, end, max_bw;
+	u16 m;
+
+	if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
+	    tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
+	    tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
+		return;
+
+	start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
+	end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
+	max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
+
+	if (max_bw < 20)
+		return;
+
+	for (m = 0; m < *results->num_modes; m++) {
+		if (!(results->modes[m].ht_capab &
+		      HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
+			continue;
+		nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
+	}
+}
+
+
+static int nl80211_get_reg(struct nl_msg *msg, void *arg)
+{
+	struct phy_info_arg *results = arg;
+	struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
+	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+	struct nlattr *nl_rule;
+	struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
+	int rem_rule;
+	static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
+		[NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
+		[NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
+		[NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
+		[NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
+		[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
+		[NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
+	};
+
+	nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+		  genlmsg_attrlen(gnlh, 0), NULL);
+	if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
+	    !tb_msg[NL80211_ATTR_REG_RULES]) {
+		wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
+			   "available");
+		return NL_SKIP;
+	}
+
+	wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
+		   (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
+
+	nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
+	{
+		nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
+			  nla_data(nl_rule), nla_len(nl_rule), reg_policy);
+		nl80211_reg_rule_ht40(tb_rule, results);
+	}
+
+	nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
+	{
+		nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
+			  nla_data(nl_rule), nla_len(nl_rule), reg_policy);
+		nl80211_reg_rule_sec(tb_rule, results);
+	}
+
+	return NL_SKIP;
+}
+
+
+static int nl80211_set_ht40_flags(struct wpa_driver_nl80211_data *drv,
+				  struct phy_info_arg *results)
+{
+	struct nl_msg *msg;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_GET_REG, 0);
+	return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
+}
+
+
+static struct hostapd_hw_modes *
+wpa_driver_nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg;
+	struct phy_info_arg result = {
+		.num_modes = num_modes,
+		.modes = NULL,
+	};
+
+	*num_modes = 0;
+	*flags = 0;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return NULL;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_GET_WIPHY, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+
+	if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
+		nl80211_set_ht40_flags(drv, &result);
+		return wpa_driver_nl80211_add_11b(result.modes, num_modes);
+	}
+ nla_put_failure:
+	return NULL;
+}
+
+
+static int wpa_driver_nl80211_send_frame(struct wpa_driver_nl80211_data *drv,
+					 const void *data, size_t len,
+					 int encrypt)
+{
+	__u8 rtap_hdr[] = {
+		0x00, 0x00, /* radiotap version */
+		0x0e, 0x00, /* radiotap length */
+		0x02, 0xc0, 0x00, 0x00, /* bmap: flags, tx and rx flags */
+		IEEE80211_RADIOTAP_F_FRAG, /* F_FRAG (fragment if required) */
+		0x00,       /* padding */
+		0x00, 0x00, /* RX and TX flags to indicate that */
+		0x00, 0x00, /* this is the injected frame directly */
+	};
+	struct iovec iov[2] = {
+		{
+			.iov_base = &rtap_hdr,
+			.iov_len = sizeof(rtap_hdr),
+		},
+		{
+			.iov_base = (void *) data,
+			.iov_len = len,
+		}
+	};
+	struct msghdr msg = {
+		.msg_name = NULL,
+		.msg_namelen = 0,
+		.msg_iov = iov,
+		.msg_iovlen = 2,
+		.msg_control = NULL,
+		.msg_controllen = 0,
+		.msg_flags = 0,
+	};
+	int res;
+
+	if (encrypt)
+		rtap_hdr[8] |= IEEE80211_RADIOTAP_F_WEP;
+
+	res = sendmsg(drv->monitor_sock, &msg, 0);
+	if (res < 0) {
+		wpa_printf(MSG_INFO, "nl80211: sendmsg: %s", strerror(errno));
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wpa_driver_nl80211_send_mlme(void *priv, const u8 *data,
+					size_t data_len)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct ieee80211_mgmt *mgmt;
+	int encrypt = 1;
+	u16 fc;
+
+	mgmt = (struct ieee80211_mgmt *) data;
+	fc = le_to_host16(mgmt->frame_control);
+
+	if (drv->nlmode == NL80211_IFTYPE_STATION &&
+	    WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
+	    WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
+		/*
+		 * The use of last_mgmt_freq is a bit of a hack,
+		 * but it works due to the single-threaded nature
+		 * of wpa_supplicant.
+		 */
+		return nl80211_send_frame_cmd(drv, drv->last_mgmt_freq, 0,
+					      data, data_len, NULL);
+	}
+
+	if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
+	    WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
+		/*
+		 * Only one of the authentication frame types is encrypted.
+		 * In order for static WEP encryption to work properly (i.e.,
+		 * to not encrypt the frame), we need to tell mac80211 about
+		 * the frames that must not be encrypted.
+		 */
+		u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
+		u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
+		if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
+			encrypt = 0;
+	}
+
+	return wpa_driver_nl80211_send_frame(drv, data, data_len, encrypt);
+}
+
+
+static int wpa_driver_nl80211_set_beacon(void *priv,
+					 const u8 *head, size_t head_len,
+					 const u8 *tail, size_t tail_len,
+					 int dtim_period, int beacon_int)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg;
+	u8 cmd = NL80211_CMD_NEW_BEACON;
+	int ret;
+	int beacon_set;
+	int ifindex = if_nametoindex(bss->ifname);
+
+	beacon_set = bss->beacon_set;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
+		   beacon_set);
+	if (beacon_set)
+		cmd = NL80211_CMD_SET_BEACON;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, cmd, 0);
+	NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, head_len, head);
+	NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, tail_len, tail);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
+	NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, beacon_int);
+	NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	if (ret) {
+		wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
+			   ret, strerror(-ret));
+	} else {
+		bss->beacon_set = 1;
+	}
+	return ret;
+ nla_put_failure:
+	return -ENOBUFS;
+}
+
+
+static int wpa_driver_nl80211_set_freq(struct wpa_driver_nl80211_data *drv,
+				       int freq, int ht_enabled,
+				       int sec_channel_offset)
+{
+	struct nl_msg *msg;
+	int ret;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -1;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+		    NL80211_CMD_SET_WIPHY, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+	NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
+	if (ht_enabled) {
+		switch (sec_channel_offset) {
+		case -1:
+			NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
+				    NL80211_CHAN_HT40MINUS);
+			break;
+		case 1:
+			NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
+				    NL80211_CHAN_HT40PLUS);
+			break;
+		default:
+			NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
+				    NL80211_CHAN_HT20);
+			break;
+		}
+	}
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	if (ret == 0)
+		return 0;
+	wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
+		   "%d (%s)", freq, ret, strerror(-ret));
+nla_put_failure:
+	return -1;
+}
+
+
+static int wpa_driver_nl80211_sta_add(void *priv,
+				      struct hostapd_sta_add_params *params)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg;
+	int ret = -ENOBUFS;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_NEW_STATION, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
+	NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr);
+	NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, params->aid);
+	NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_RATES, params->supp_rates_len,
+		params->supp_rates);
+	NLA_PUT_U16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
+		    params->listen_interval);
+	if (params->ht_capabilities) {
+		NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY,
+			sizeof(*params->ht_capabilities),
+			params->ht_capabilities);
+	}
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	if (ret)
+		wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_NEW_STATION "
+			   "result: %d (%s)", ret, strerror(-ret));
+	if (ret == -EEXIST)
+		ret = 0;
+ nla_put_failure:
+	return ret;
+}
+
+
+static int wpa_driver_nl80211_sta_remove(void *priv, const u8 *addr)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg;
+	int ret;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_DEL_STATION, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
+		    if_nametoindex(bss->ifname));
+	NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	if (ret == -ENOENT)
+		return 0;
+	return ret;
+ nla_put_failure:
+	return -ENOBUFS;
+}
+
+
+static void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv,
+				 int ifidx)
+{
+	struct nl_msg *msg;
+
+	wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
+
+#ifdef HOSTAPD
+	/* stop listening for EAPOL on this interface */
+	del_ifidx(drv, ifidx);
+#endif /* HOSTAPD */
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		goto nla_put_failure;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_DEL_INTERFACE, 0);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifidx);
+
+	if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
+		return;
+ nla_put_failure:
+	wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
+}
+
+
+static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
+				     const char *ifname,
+				     enum nl80211_iftype iftype,
+				     const u8 *addr, int wds)
+{
+	struct nl_msg *msg, *flags = NULL;
+	int ifidx;
+	int ret = -ENOBUFS;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -1;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_NEW_INTERFACE, 0);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+	NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, ifname);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, iftype);
+
+	if (iftype == NL80211_IFTYPE_MONITOR) {
+		int err;
+
+		flags = nlmsg_alloc();
+		if (!flags)
+			goto nla_put_failure;
+
+		NLA_PUT_FLAG(flags, NL80211_MNTR_FLAG_COOK_FRAMES);
+
+		err = nla_put_nested(msg, NL80211_ATTR_MNTR_FLAGS, flags);
+
+		nlmsg_free(flags);
+
+		if (err)
+			goto nla_put_failure;
+	} else if (wds) {
+		NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, wds);
+	}
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	if (ret) {
+ nla_put_failure:
+		wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
+			   ifname, ret, strerror(-ret));
+		return ret;
+	}
+
+	ifidx = if_nametoindex(ifname);
+	wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
+		   ifname, ifidx);
+
+	if (ifidx <= 0)
+		return -1;
+
+#ifdef HOSTAPD
+	/* start listening for EAPOL on this interface */
+	add_ifidx(drv, ifidx);
+#endif /* HOSTAPD */
+
+	if (addr && iftype != NL80211_IFTYPE_MONITOR &&
+	    linux_set_ifhwaddr(drv->ioctl_sock, ifname, addr)) {
+		nl80211_remove_iface(drv, ifidx);
+		return -1;
+	}
+
+	return ifidx;
+}
+
+
+static int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
+				const char *ifname, enum nl80211_iftype iftype,
+				const u8 *addr, int wds)
+{
+	int ret;
+
+	ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds);
+
+	/* if error occured and interface exists already */
+	if (ret == -ENFILE && if_nametoindex(ifname)) {
+		wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
+
+		/* Try to remove the interface that was already there. */
+		nl80211_remove_iface(drv, if_nametoindex(ifname));
+
+		/* Try to create the interface again */
+		ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
+						wds);
+	}
+
+	if (ret >= 0 && drv->disable_11b_rates)
+		nl80211_disable_11b_rates(drv, ret, 1);
+
+	return ret;
+}
+
+
+static void handle_tx_callback(void *ctx, u8 *buf, size_t len, int ok)
+{
+	struct ieee80211_hdr *hdr;
+	u16 fc;
+	union wpa_event_data event;
+
+	hdr = (struct ieee80211_hdr *) buf;
+	fc = le_to_host16(hdr->frame_control);
+
+	os_memset(&event, 0, sizeof(event));
+	event.tx_status.type = WLAN_FC_GET_TYPE(fc);
+	event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
+	event.tx_status.dst = hdr->addr1;
+	event.tx_status.data = buf;
+	event.tx_status.data_len = len;
+	event.tx_status.ack = ok;
+	wpa_supplicant_event(ctx, EVENT_TX_STATUS, &event);
+}
+
+
+static void from_unknown_sta(struct wpa_driver_nl80211_data *drv,
+			     u8 *buf, size_t len)
+{
+	union wpa_event_data event;
+	os_memset(&event, 0, sizeof(event));
+	event.rx_from_unknown.frame = buf;
+	event.rx_from_unknown.len = len;
+	wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
+}
+
+
+static void handle_frame(struct wpa_driver_nl80211_data *drv,
+			 u8 *buf, size_t len, int datarate, int ssi_signal)
+{
+	struct ieee80211_hdr *hdr;
+	u16 fc;
+	union wpa_event_data event;
+
+	hdr = (struct ieee80211_hdr *) buf;
+	fc = le_to_host16(hdr->frame_control);
+
+	switch (WLAN_FC_GET_TYPE(fc)) {
+	case WLAN_FC_TYPE_MGMT:
+		os_memset(&event, 0, sizeof(event));
+		event.rx_mgmt.frame = buf;
+		event.rx_mgmt.frame_len = len;
+		event.rx_mgmt.datarate = datarate;
+		event.rx_mgmt.ssi_signal = ssi_signal;
+		wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
+		break;
+	case WLAN_FC_TYPE_CTRL:
+		/* can only get here with PS-Poll frames */
+		wpa_printf(MSG_DEBUG, "CTRL");
+		from_unknown_sta(drv, buf, len);
+		break;
+	case WLAN_FC_TYPE_DATA:
+		from_unknown_sta(drv, buf, len);
+		break;
+	}
+}
+
+
+static void handle_monitor_read(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	struct wpa_driver_nl80211_data *drv = eloop_ctx;
+	int len;
+	unsigned char buf[3000];
+	struct ieee80211_radiotap_iterator iter;
+	int ret;
+	int datarate = 0, ssi_signal = 0;
+	int injected = 0, failed = 0, rxflags = 0;
+
+	len = recv(sock, buf, sizeof(buf), 0);
+	if (len < 0) {
+		perror("recv");
+		return;
+	}
+
+	if (ieee80211_radiotap_iterator_init(&iter, (void*)buf, len)) {
+		printf("received invalid radiotap frame\n");
+		return;
+	}
+
+	while (1) {
+		ret = ieee80211_radiotap_iterator_next(&iter);
+		if (ret == -ENOENT)
+			break;
+		if (ret) {
+			printf("received invalid radiotap frame (%d)\n", ret);
+			return;
+		}
+		switch (iter.this_arg_index) {
+		case IEEE80211_RADIOTAP_FLAGS:
+			if (*iter.this_arg & IEEE80211_RADIOTAP_F_FCS)
+				len -= 4;
+			break;
+		case IEEE80211_RADIOTAP_RX_FLAGS:
+			rxflags = 1;
+			break;
+		case IEEE80211_RADIOTAP_TX_FLAGS:
+			injected = 1;
+			failed = le_to_host16((*(uint16_t *) iter.this_arg)) &
+					IEEE80211_RADIOTAP_F_TX_FAIL;
+			break;
+		case IEEE80211_RADIOTAP_DATA_RETRIES:
+			break;
+		case IEEE80211_RADIOTAP_CHANNEL:
+			/* TODO: convert from freq/flags to channel number */
+			break;
+		case IEEE80211_RADIOTAP_RATE:
+			datarate = *iter.this_arg * 5;
+			break;
+		case IEEE80211_RADIOTAP_DB_ANTSIGNAL:
+			ssi_signal = *iter.this_arg;
+			break;
+		}
+	}
+
+	if (rxflags && injected)
+		return;
+
+	if (!injected)
+		handle_frame(drv, buf + iter.max_length,
+			     len - iter.max_length, datarate, ssi_signal);
+	else
+		handle_tx_callback(drv->ctx, buf + iter.max_length,
+				   len - iter.max_length, !failed);
+}
+
+
+/*
+ * we post-process the filter code later and rewrite
+ * this to the offset to the last instruction
+ */
+#define PASS	0xFF
+#define FAIL	0xFE
+
+static struct sock_filter msock_filter_insns[] = {
+	/*
+	 * do a little-endian load of the radiotap length field
+	 */
+	/* load lower byte into A */
+	BPF_STMT(BPF_LD  | BPF_B | BPF_ABS, 2),
+	/* put it into X (== index register) */
+	BPF_STMT(BPF_MISC| BPF_TAX, 0),
+	/* load upper byte into A */
+	BPF_STMT(BPF_LD  | BPF_B | BPF_ABS, 3),
+	/* left-shift it by 8 */
+	BPF_STMT(BPF_ALU | BPF_LSH | BPF_K, 8),
+	/* or with X */
+	BPF_STMT(BPF_ALU | BPF_OR | BPF_X, 0),
+	/* put result into X */
+	BPF_STMT(BPF_MISC| BPF_TAX, 0),
+
+	/*
+	 * Allow management frames through, this also gives us those
+	 * management frames that we sent ourselves with status
+	 */
+	/* load the lower byte of the IEEE 802.11 frame control field */
+	BPF_STMT(BPF_LD  | BPF_B | BPF_IND, 0),
+	/* mask off frame type and version */
+	BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0xF),
+	/* accept frame if it's both 0, fall through otherwise */
+	BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0, PASS, 0),
+
+	/*
+	 * TODO: add a bit to radiotap RX flags that indicates
+	 * that the sending station is not associated, then
+	 * add a filter here that filters on our DA and that flag
+	 * to allow us to deauth frames to that bad station.
+	 *
+	 * For now allow all To DS data frames through.
+	 */
+	/* load the IEEE 802.11 frame control field */
+	BPF_STMT(BPF_LD  | BPF_H | BPF_IND, 0),
+	/* mask off frame type, version and DS status */
+	BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0F03),
+	/* accept frame if version 0, type 2 and To DS, fall through otherwise
+	 */
+	BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0801, PASS, 0),
+
+#if 0
+	/*
+	 * drop non-data frames
+	 */
+	/* load the lower byte of the frame control field */
+	BPF_STMT(BPF_LD   | BPF_B | BPF_IND, 0),
+	/* mask off QoS bit */
+	BPF_STMT(BPF_ALU  | BPF_AND | BPF_K, 0x0c),
+	/* drop non-data frames */
+	BPF_JUMP(BPF_JMP  | BPF_JEQ | BPF_K, 8, 0, FAIL),
+#endif
+	/* load the upper byte of the frame control field */
+	BPF_STMT(BPF_LD   | BPF_B | BPF_IND, 1),
+	/* mask off toDS/fromDS */
+	BPF_STMT(BPF_ALU  | BPF_AND | BPF_K, 0x03),
+	/* accept WDS frames */
+	BPF_JUMP(BPF_JMP  | BPF_JEQ | BPF_K, 3, PASS, 0),
+
+	/*
+	 * add header length to index
+	 */
+	/* load the lower byte of the frame control field */
+	BPF_STMT(BPF_LD   | BPF_B | BPF_IND, 0),
+	/* mask off QoS bit */
+	BPF_STMT(BPF_ALU  | BPF_AND | BPF_K, 0x80),
+	/* right shift it by 6 to give 0 or 2 */
+	BPF_STMT(BPF_ALU  | BPF_RSH | BPF_K, 6),
+	/* add data frame header length */
+	BPF_STMT(BPF_ALU  | BPF_ADD | BPF_K, 24),
+	/* add index, was start of 802.11 header */
+	BPF_STMT(BPF_ALU  | BPF_ADD | BPF_X, 0),
+	/* move to index, now start of LL header */
+	BPF_STMT(BPF_MISC | BPF_TAX, 0),
+
+	/*
+	 * Accept empty data frames, we use those for
+	 * polling activity.
+	 */
+	BPF_STMT(BPF_LD  | BPF_W | BPF_LEN, 0),
+	BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_X, 0, PASS, 0),
+
+	/*
+	 * Accept EAPOL frames
+	 */
+	BPF_STMT(BPF_LD  | BPF_W | BPF_IND, 0),
+	BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0xAAAA0300, 0, FAIL),
+	BPF_STMT(BPF_LD  | BPF_W | BPF_IND, 4),
+	BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0000888E, PASS, FAIL),
+
+	/* keep these last two statements or change the code below */
+	/* return 0 == "DROP" */
+	BPF_STMT(BPF_RET | BPF_K, 0),
+	/* return ~0 == "keep all" */
+	BPF_STMT(BPF_RET | BPF_K, ~0),
+};
+
+static struct sock_fprog msock_filter = {
+	.len = sizeof(msock_filter_insns)/sizeof(msock_filter_insns[0]),
+	.filter = msock_filter_insns,
+};
+
+
+static int add_monitor_filter(int s)
+{
+	int idx;
+
+	/* rewrite all PASS/FAIL jump offsets */
+	for (idx = 0; idx < msock_filter.len; idx++) {
+		struct sock_filter *insn = &msock_filter_insns[idx];
+
+		if (BPF_CLASS(insn->code) == BPF_JMP) {
+			if (insn->code == (BPF_JMP|BPF_JA)) {
+				if (insn->k == PASS)
+					insn->k = msock_filter.len - idx - 2;
+				else if (insn->k == FAIL)
+					insn->k = msock_filter.len - idx - 3;
+			}
+
+			if (insn->jt == PASS)
+				insn->jt = msock_filter.len - idx - 2;
+			else if (insn->jt == FAIL)
+				insn->jt = msock_filter.len - idx - 3;
+
+			if (insn->jf == PASS)
+				insn->jf = msock_filter.len - idx - 2;
+			else if (insn->jf == FAIL)
+				insn->jf = msock_filter.len - idx - 3;
+		}
+	}
+
+	if (setsockopt(s, SOL_SOCKET, SO_ATTACH_FILTER,
+		       &msock_filter, sizeof(msock_filter))) {
+		perror("SO_ATTACH_FILTER");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static void nl80211_remove_monitor_interface(
+	struct wpa_driver_nl80211_data *drv)
+{
+	if (drv->monitor_ifidx >= 0) {
+		nl80211_remove_iface(drv, drv->monitor_ifidx);
+		drv->monitor_ifidx = -1;
+	}
+	if (drv->monitor_sock >= 0) {
+		eloop_unregister_read_sock(drv->monitor_sock);
+		close(drv->monitor_sock);
+		drv->monitor_sock = -1;
+	}
+}
+
+
+static int
+nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv)
+{
+	char buf[IFNAMSIZ];
+	struct sockaddr_ll ll;
+	int optval;
+	socklen_t optlen;
+
+	snprintf(buf, IFNAMSIZ, "mon.%s", drv->first_bss.ifname);
+	buf[IFNAMSIZ - 1] = '\0';
+
+	drv->monitor_ifidx =
+		nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR, NULL,
+				     0);
+
+	if (drv->monitor_ifidx < 0)
+		return -1;
+
+	if (linux_set_iface_flags(drv->ioctl_sock, buf, 1))
+		goto error;
+
+	memset(&ll, 0, sizeof(ll));
+	ll.sll_family = AF_PACKET;
+	ll.sll_ifindex = drv->monitor_ifidx;
+	drv->monitor_sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
+	if (drv->monitor_sock < 0) {
+		perror("socket[PF_PACKET,SOCK_RAW]");
+		goto error;
+	}
+
+	if (add_monitor_filter(drv->monitor_sock)) {
+		wpa_printf(MSG_INFO, "Failed to set socket filter for monitor "
+			   "interface; do filtering in user space");
+		/* This works, but will cost in performance. */
+	}
+
+	if (bind(drv->monitor_sock, (struct sockaddr *) &ll, sizeof(ll)) < 0) {
+		perror("monitor socket bind");
+		goto error;
+	}
+
+	optlen = sizeof(optval);
+	optval = 20;
+	if (setsockopt
+	    (drv->monitor_sock, SOL_SOCKET, SO_PRIORITY, &optval, optlen)) {
+		perror("Failed to set socket priority");
+		goto error;
+	}
+
+	if (eloop_register_read_sock(drv->monitor_sock, handle_monitor_read,
+				     drv, NULL)) {
+		printf("Could not register monitor read socket\n");
+		goto error;
+	}
+
+	return 0;
+ error:
+	nl80211_remove_monitor_interface(drv);
+	return -1;
+}
+
+
+static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
+
+static int wpa_driver_nl80211_hapd_send_eapol(
+	void *priv, const u8 *addr, const u8 *data,
+	size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct ieee80211_hdr *hdr;
+	size_t len;
+	u8 *pos;
+	int res;
+	int qos = flags & WPA_STA_WMM;
+
+	len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
+		data_len;
+	hdr = os_zalloc(len);
+	if (hdr == NULL) {
+		printf("malloc() failed for i802_send_data(len=%lu)\n",
+		       (unsigned long) len);
+		return -1;
+	}
+
+	hdr->frame_control =
+		IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
+	hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
+	if (encrypt)
+		hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
+	if (qos) {
+		hdr->frame_control |=
+			host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
+	}
+
+	memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
+	memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
+	memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
+	pos = (u8 *) (hdr + 1);
+
+	if (qos) {
+		/* add an empty QoS header if needed */
+		pos[0] = 0;
+		pos[1] = 0;
+		pos += 2;
+	}
+
+	memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
+	pos += sizeof(rfc1042_header);
+	WPA_PUT_BE16(pos, ETH_P_PAE);
+	pos += 2;
+	memcpy(pos, data, data_len);
+
+	res = wpa_driver_nl80211_send_frame(drv, (u8 *) hdr, len, encrypt);
+	if (res < 0) {
+		wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
+			   "failed: %d (%s)",
+			   (unsigned long) len, errno, strerror(errno));
+	}
+	os_free(hdr);
+
+	return res;
+}
+
+
+static u32 sta_flags_nl80211(int flags)
+{
+	u32 f = 0;
+
+	if (flags & WPA_STA_AUTHORIZED)
+		f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
+	if (flags & WPA_STA_WMM)
+		f |= BIT(NL80211_STA_FLAG_WME);
+	if (flags & WPA_STA_SHORT_PREAMBLE)
+		f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
+	if (flags & WPA_STA_MFP)
+		f |= BIT(NL80211_STA_FLAG_MFP);
+
+	return f;
+}
+
+
+static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
+					    int total_flags,
+					    int flags_or, int flags_and)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg, *flags = NULL;
+	struct nl80211_sta_flag_update upd;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	flags = nlmsg_alloc();
+	if (!flags) {
+		nlmsg_free(msg);
+		return -ENOMEM;
+	}
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_SET_STATION, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
+		    if_nametoindex(bss->ifname));
+	NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+
+	/*
+	 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
+	 * can be removed eventually.
+	 */
+	if (total_flags & WPA_STA_AUTHORIZED)
+		NLA_PUT_FLAG(flags, NL80211_STA_FLAG_AUTHORIZED);
+
+	if (total_flags & WPA_STA_WMM)
+		NLA_PUT_FLAG(flags, NL80211_STA_FLAG_WME);
+
+	if (total_flags & WPA_STA_SHORT_PREAMBLE)
+		NLA_PUT_FLAG(flags, NL80211_STA_FLAG_SHORT_PREAMBLE);
+
+	if (total_flags & WPA_STA_MFP)
+		NLA_PUT_FLAG(flags, NL80211_STA_FLAG_MFP);
+
+	if (nla_put_nested(msg, NL80211_ATTR_STA_FLAGS, flags))
+		goto nla_put_failure;
+
+	os_memset(&upd, 0, sizeof(upd));
+	upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
+	upd.set = sta_flags_nl80211(flags_or);
+	NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
+
+	nlmsg_free(flags);
+
+	return send_and_recv_msgs(drv, msg, NULL, NULL);
+ nla_put_failure:
+	nlmsg_free(flags);
+	return -ENOBUFS;
+}
+
+
+static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
+				 struct wpa_driver_associate_params *params)
+{
+	if (params->p2p)
+		wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
+			   "group (GO)");
+	if (wpa_driver_nl80211_set_mode(&drv->first_bss, params->mode) ||
+	    wpa_driver_nl80211_set_freq(drv, params->freq, 0, 0)) {
+		nl80211_remove_monitor_interface(drv);
+		return -1;
+	}
+
+	/* TODO: setup monitor interface (and add code somewhere to remove this
+	 * when AP mode is stopped; associate with mode != 2 or drv_deinit) */
+
+	return 0;
+}
+
+
+static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv)
+{
+	struct nl_msg *msg;
+	int ret = -1;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -1;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+		    NL80211_CMD_LEAVE_IBSS, 0);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	msg = NULL;
+	if (ret) {
+		wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
+			   "(%s)", ret, strerror(-ret));
+		goto nla_put_failure;
+	}
+
+	ret = 0;
+	wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS request sent successfully");
+
+nla_put_failure:
+	nlmsg_free(msg);
+	return ret;
+}
+
+
+static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
+				   struct wpa_driver_associate_params *params)
+{
+	struct nl_msg *msg;
+	int ret = -1;
+	int count = 0;
+
+	wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
+
+	if (wpa_driver_nl80211_set_mode(&drv->first_bss, params->mode)) {
+		wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
+			   "IBSS mode");
+		return -1;
+	}
+
+retry:
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -1;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+		    NL80211_CMD_JOIN_IBSS, 0);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+
+	if (params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
+		goto nla_put_failure;
+
+	wpa_hexdump_ascii(MSG_DEBUG, "  * SSID",
+			  params->ssid, params->ssid_len);
+	NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
+		params->ssid);
+	os_memcpy(drv->ssid, params->ssid, params->ssid_len);
+	drv->ssid_len = params->ssid_len;
+
+	wpa_printf(MSG_DEBUG, "  * freq=%d", params->freq);
+	NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
+
+	ret = nl80211_set_conn_keys(params, msg);
+	if (ret)
+		goto nla_put_failure;
+
+	if (params->wpa_ie) {
+		wpa_hexdump(MSG_DEBUG,
+			    "  * Extra IEs for Beacon/Probe Response frames",
+			    params->wpa_ie, params->wpa_ie_len);
+		NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
+			params->wpa_ie);
+	}
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	msg = NULL;
+	if (ret) {
+		wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
+			   ret, strerror(-ret));
+		count++;
+		if (ret == -EALREADY && count == 1) {
+			wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
+				   "forced leave");
+			nl80211_leave_ibss(drv);
+			nlmsg_free(msg);
+			goto retry;
+		}
+
+		goto nla_put_failure;
+	}
+	ret = 0;
+	wpa_printf(MSG_DEBUG, "nl80211: Join IBSS request sent successfully");
+
+nla_put_failure:
+	nlmsg_free(msg);
+	return ret;
+}
+
+
+static int wpa_driver_nl80211_connect(
+	struct wpa_driver_nl80211_data *drv,
+	struct wpa_driver_associate_params *params)
+{
+	struct nl_msg *msg;
+	enum nl80211_auth_type type;
+	int ret = 0;
+	int algs;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -1;
+
+	wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+		    NL80211_CMD_CONNECT, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+	if (params->bssid) {
+		wpa_printf(MSG_DEBUG, "  * bssid=" MACSTR,
+			   MAC2STR(params->bssid));
+		NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
+	}
+	if (params->freq) {
+		wpa_printf(MSG_DEBUG, "  * freq=%d", params->freq);
+		NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
+	}
+	if (params->ssid) {
+		wpa_hexdump_ascii(MSG_DEBUG, "  * SSID",
+				  params->ssid, params->ssid_len);
+		NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
+			params->ssid);
+		if (params->ssid_len > sizeof(drv->ssid))
+			goto nla_put_failure;
+		os_memcpy(drv->ssid, params->ssid, params->ssid_len);
+		drv->ssid_len = params->ssid_len;
+	}
+	wpa_hexdump(MSG_DEBUG, "  * IEs", params->wpa_ie, params->wpa_ie_len);
+	if (params->wpa_ie)
+		NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
+			params->wpa_ie);
+
+	algs = 0;
+	if (params->auth_alg & WPA_AUTH_ALG_OPEN)
+		algs++;
+	if (params->auth_alg & WPA_AUTH_ALG_SHARED)
+		algs++;
+	if (params->auth_alg & WPA_AUTH_ALG_LEAP)
+		algs++;
+	if (algs > 1) {
+		wpa_printf(MSG_DEBUG, "  * Leave out Auth Type for automatic "
+			   "selection");
+		goto skip_auth_type;
+	}
+
+	if (params->auth_alg & WPA_AUTH_ALG_OPEN)
+		type = NL80211_AUTHTYPE_OPEN_SYSTEM;
+	else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
+		type = NL80211_AUTHTYPE_SHARED_KEY;
+	else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
+		type = NL80211_AUTHTYPE_NETWORK_EAP;
+	else if (params->auth_alg & WPA_AUTH_ALG_FT)
+		type = NL80211_AUTHTYPE_FT;
+	else
+		goto nla_put_failure;
+
+	wpa_printf(MSG_DEBUG, "  * Auth Type %d", type);
+	NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type);
+
+skip_auth_type:
+	if (params->wpa_ie && params->wpa_ie_len) {
+		enum nl80211_wpa_versions ver;
+
+		if (params->wpa_ie[0] == WLAN_EID_RSN)
+			ver = NL80211_WPA_VERSION_2;
+		else
+			ver = NL80211_WPA_VERSION_1;
+
+		wpa_printf(MSG_DEBUG, "  * WPA Version %d", ver);
+		NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver);
+	}
+
+	if (params->pairwise_suite != CIPHER_NONE) {
+		int cipher;
+
+		switch (params->pairwise_suite) {
+		case CIPHER_WEP40:
+			cipher = WLAN_CIPHER_SUITE_WEP40;
+			break;
+		case CIPHER_WEP104:
+			cipher = WLAN_CIPHER_SUITE_WEP104;
+			break;
+		case CIPHER_CCMP:
+			cipher = WLAN_CIPHER_SUITE_CCMP;
+			break;
+		case CIPHER_TKIP:
+		default:
+			cipher = WLAN_CIPHER_SUITE_TKIP;
+			break;
+		}
+		NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher);
+	}
+
+	if (params->group_suite != CIPHER_NONE) {
+		int cipher;
+
+		switch (params->group_suite) {
+		case CIPHER_WEP40:
+			cipher = WLAN_CIPHER_SUITE_WEP40;
+			break;
+		case CIPHER_WEP104:
+			cipher = WLAN_CIPHER_SUITE_WEP104;
+			break;
+		case CIPHER_CCMP:
+			cipher = WLAN_CIPHER_SUITE_CCMP;
+			break;
+		case CIPHER_TKIP:
+		default:
+			cipher = WLAN_CIPHER_SUITE_TKIP;
+			break;
+		}
+		NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher);
+	}
+
+	if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
+	    params->key_mgmt_suite == KEY_MGMT_PSK) {
+		int mgmt = WLAN_AKM_SUITE_PSK;
+
+		switch (params->key_mgmt_suite) {
+		case KEY_MGMT_802_1X:
+			mgmt = WLAN_AKM_SUITE_8021X;
+			break;
+		case KEY_MGMT_PSK:
+		default:
+			mgmt = WLAN_AKM_SUITE_PSK;
+			break;
+		}
+		NLA_PUT_U32(msg, NL80211_ATTR_AKM_SUITES, mgmt);
+	}
+
+	ret = nl80211_set_conn_keys(params, msg);
+	if (ret)
+		goto nla_put_failure;
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	msg = NULL;
+	if (ret) {
+		wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
+			   "(%s)", ret, strerror(-ret));
+		goto nla_put_failure;
+	}
+	ret = 0;
+	wpa_printf(MSG_DEBUG, "nl80211: Connect request send successfully");
+
+nla_put_failure:
+	nlmsg_free(msg);
+	return ret;
+
+}
+
+
+static int wpa_driver_nl80211_associate(
+	void *priv, struct wpa_driver_associate_params *params)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	int ret = -1;
+	struct nl_msg *msg;
+
+	if (params->mode == IEEE80211_MODE_AP)
+		return wpa_driver_nl80211_ap(drv, params);
+
+	if (params->mode == IEEE80211_MODE_IBSS)
+		return wpa_driver_nl80211_ibss(drv, params);
+
+	if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
+		if (wpa_driver_nl80211_set_mode(priv, params->mode) < 0)
+			return -1;
+		return wpa_driver_nl80211_connect(drv, params);
+	}
+
+	drv->associated = 0;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -1;
+
+	wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
+		   drv->ifindex);
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+		    NL80211_CMD_ASSOCIATE, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+	if (params->bssid) {
+		wpa_printf(MSG_DEBUG, "  * bssid=" MACSTR,
+			   MAC2STR(params->bssid));
+		NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
+	}
+	if (params->freq) {
+		wpa_printf(MSG_DEBUG, "  * freq=%d", params->freq);
+		NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
+		drv->assoc_freq = params->freq;
+	} else
+		drv->assoc_freq = 0;
+	if (params->ssid) {
+		wpa_hexdump_ascii(MSG_DEBUG, "  * SSID",
+				  params->ssid, params->ssid_len);
+		NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
+			params->ssid);
+		if (params->ssid_len > sizeof(drv->ssid))
+			goto nla_put_failure;
+		os_memcpy(drv->ssid, params->ssid, params->ssid_len);
+		drv->ssid_len = params->ssid_len;
+	}
+	wpa_hexdump(MSG_DEBUG, "  * IEs", params->wpa_ie, params->wpa_ie_len);
+	if (params->wpa_ie)
+		NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
+			params->wpa_ie);
+
+	if (params->pairwise_suite != CIPHER_NONE) {
+		int cipher;
+
+		switch (params->pairwise_suite) {
+		case CIPHER_WEP40:
+			cipher = WLAN_CIPHER_SUITE_WEP40;
+			break;
+		case CIPHER_WEP104:
+			cipher = WLAN_CIPHER_SUITE_WEP104;
+			break;
+		case CIPHER_CCMP:
+			cipher = WLAN_CIPHER_SUITE_CCMP;
+			break;
+		case CIPHER_TKIP:
+		default:
+			cipher = WLAN_CIPHER_SUITE_TKIP;
+			break;
+		}
+		wpa_printf(MSG_DEBUG, "  * pairwise=0x%x", cipher);
+		NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher);
+	}
+
+	if (params->group_suite != CIPHER_NONE) {
+		int cipher;
+
+		switch (params->group_suite) {
+		case CIPHER_WEP40:
+			cipher = WLAN_CIPHER_SUITE_WEP40;
+			break;
+		case CIPHER_WEP104:
+			cipher = WLAN_CIPHER_SUITE_WEP104;
+			break;
+		case CIPHER_CCMP:
+			cipher = WLAN_CIPHER_SUITE_CCMP;
+			break;
+		case CIPHER_TKIP:
+		default:
+			cipher = WLAN_CIPHER_SUITE_TKIP;
+			break;
+		}
+		wpa_printf(MSG_DEBUG, "  * group=0x%x", cipher);
+		NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher);
+	}
+
+#ifdef CONFIG_IEEE80211W
+	if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED)
+		NLA_PUT_U32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED);
+#endif /* CONFIG_IEEE80211W */
+
+	NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT);
+
+	if (params->prev_bssid) {
+		wpa_printf(MSG_DEBUG, "  * prev_bssid=" MACSTR,
+			   MAC2STR(params->prev_bssid));
+		NLA_PUT(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
+			params->prev_bssid);
+	}
+
+	if (params->p2p)
+		wpa_printf(MSG_DEBUG, "  * P2P group");
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	msg = NULL;
+	if (ret) {
+		wpa_printf(MSG_DEBUG, "nl80211: MLME command failed: ret=%d "
+			   "(%s)", ret, strerror(-ret));
+		nl80211_dump_scan(drv);
+		goto nla_put_failure;
+	}
+	ret = 0;
+	wpa_printf(MSG_DEBUG, "nl80211: Association request send "
+		   "successfully");
+
+nla_put_failure:
+	nlmsg_free(msg);
+	return ret;
+}
+
+
+static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
+			    int ifindex, int mode)
+{
+	struct nl_msg *msg;
+	int ret = -ENOBUFS;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_SET_INTERFACE, 0);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, mode);
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	if (!ret)
+		return 0;
+nla_put_failure:
+	wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
+		   " %d (%s)", ifindex, mode, ret, strerror(-ret));
+	return ret;
+}
+
+
+static int wpa_driver_nl80211_set_mode(void *priv, int mode)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	int ret = -1;
+	int nlmode;
+	int i;
+
+	switch (mode) {
+	case 0:
+		nlmode = NL80211_IFTYPE_STATION;
+		break;
+	case 1:
+		nlmode = NL80211_IFTYPE_ADHOC;
+		break;
+	case 2:
+		nlmode = NL80211_IFTYPE_AP;
+		break;
+	default:
+		return -1;
+	}
+
+	if (nl80211_set_mode(drv, drv->ifindex, nlmode) == 0) {
+		drv->nlmode = nlmode;
+		ret = 0;
+		goto done;
+	}
+
+	if (nlmode == drv->nlmode) {
+		wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
+			   "requested mode - ignore error");
+		ret = 0;
+		goto done; /* Already in the requested mode */
+	}
+
+	/* mac80211 doesn't allow mode changes while the device is up, so
+	 * take the device down, try to set the mode again, and bring the
+	 * device back up.
+	 */
+	wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
+		   "interface down");
+	for (i = 0; i < 10; i++) {
+		if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 0) ==
+		    0) {
+			/* Try to set the mode again while the interface is
+			 * down */
+			ret = nl80211_set_mode(drv, drv->ifindex, nlmode);
+			if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname,
+						  1))
+				ret = -1;
+			if (!ret)
+				break;
+		} else
+			wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
+				   "interface down");
+		os_sleep(0, 100000);
+	}
+
+	if (!ret) {
+		wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
+			   "interface is down");
+		drv->nlmode = nlmode;
+	}
+
+done:
+	if (!ret && nlmode == NL80211_IFTYPE_AP) {
+		/* Setup additional AP mode functionality if needed */
+		if (drv->monitor_ifidx < 0 &&
+		    nl80211_create_monitor_interface(drv))
+			return -1;
+	} else if (!ret && nlmode != NL80211_IFTYPE_AP) {
+		/* Remove additional AP mode functionality */
+		nl80211_remove_monitor_interface(drv);
+		bss->beacon_set = 0;
+	}
+
+	if (ret)
+		wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
+			   "from %d failed", nlmode, drv->nlmode);
+
+	return ret;
+}
+
+
+static int wpa_driver_nl80211_get_capa(void *priv,
+				       struct wpa_driver_capa *capa)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	if (!drv->has_capability)
+		return -1;
+	os_memcpy(capa, &drv->capa, sizeof(*capa));
+	return 0;
+}
+
+
+static int wpa_driver_nl80211_set_operstate(void *priv, int state)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+
+	wpa_printf(MSG_DEBUG, "%s: operstate %d->%d (%s)",
+		   __func__, drv->operstate, state, state ? "UP" : "DORMANT");
+	drv->operstate = state;
+	return netlink_send_oper_ifla(drv->netlink, drv->ifindex, -1,
+				      state ? IF_OPER_UP : IF_OPER_DORMANT);
+}
+
+
+static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg;
+	struct nl80211_sta_flag_update upd;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_SET_STATION, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
+		    if_nametoindex(bss->ifname));
+	NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid);
+
+	os_memset(&upd, 0, sizeof(upd));
+	upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
+	if (authorized)
+		upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
+	NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
+
+	return send_and_recv_msgs(drv, msg, NULL, NULL);
+ nla_put_failure:
+	return -ENOBUFS;
+}
+
+
+#ifdef HOSTAPD
+
+static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
+{
+	int i;
+	int *old;
+
+	wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d",
+		   ifidx);
+	for (i = 0; i < drv->num_if_indices; i++) {
+		if (drv->if_indices[i] == 0) {
+			drv->if_indices[i] = ifidx;
+			return;
+		}
+	}
+
+	if (drv->if_indices != drv->default_if_indices)
+		old = drv->if_indices;
+	else
+		old = NULL;
+
+	drv->if_indices = os_realloc(old,
+				     sizeof(int) * (drv->num_if_indices + 1));
+	if (!drv->if_indices) {
+		if (!old)
+			drv->if_indices = drv->default_if_indices;
+		else
+			drv->if_indices = old;
+		wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
+			   "interfaces");
+		wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
+		return;
+	} else if (!old)
+		os_memcpy(drv->if_indices, drv->default_if_indices,
+			  sizeof(drv->default_if_indices));
+	drv->if_indices[drv->num_if_indices] = ifidx;
+	drv->num_if_indices++;
+}
+
+
+static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
+{
+	int i;
+
+	for (i = 0; i < drv->num_if_indices; i++) {
+		if (drv->if_indices[i] == ifidx) {
+			drv->if_indices[i] = 0;
+			break;
+		}
+	}
+}
+
+
+static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
+{
+	int i;
+
+	for (i = 0; i < drv->num_if_indices; i++)
+		if (drv->if_indices[i] == ifidx)
+			return 1;
+
+	return 0;
+}
+
+
+static inline int min_int(int a, int b)
+{
+	if (a < b)
+		return a;
+	return b;
+}
+
+
+static int get_key_handler(struct nl_msg *msg, void *arg)
+{
+	struct nlattr *tb[NL80211_ATTR_MAX + 1];
+	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+
+	nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+		  genlmsg_attrlen(gnlh, 0), NULL);
+
+	/*
+	 * TODO: validate the key index and mac address!
+	 * Otherwise, there's a race condition as soon as
+	 * the kernel starts sending key notifications.
+	 */
+
+	if (tb[NL80211_ATTR_KEY_SEQ])
+		memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
+		       min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
+	return NL_SKIP;
+}
+
+
+static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
+			   int idx, u8 *seq)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_GET_KEY, 0);
+
+	if (addr)
+		NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+	NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
+
+	memset(seq, 0, 6);
+
+	return send_and_recv_msgs(drv, msg, get_key_handler, seq);
+ nla_put_failure:
+	return -ENOBUFS;
+}
+
+
+static int i802_set_rate_sets(void *priv, int *supp_rates, int *basic_rates,
+			      int mode)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg;
+	u8 rates[NL80211_MAX_SUPP_RATES];
+	u8 rates_len = 0;
+	int i;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+		    NL80211_CMD_SET_BSS, 0);
+
+	for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
+		rates[rates_len++] = basic_rates[i] / 5;
+
+	NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
+
+	return send_and_recv_msgs(drv, msg, NULL, NULL);
+ nla_put_failure:
+	return -ENOBUFS;
+}
+
+#endif /* HOSTAPD */
+
+
+/* Set kernel driver on given frequency (MHz) */
+static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	return wpa_driver_nl80211_set_freq(drv, freq->freq, freq->ht_enabled,
+					   freq->sec_channel_offset);
+}
+
+
+#ifdef HOSTAPD
+
+static int i802_set_rts(void *priv, int rts)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg;
+	int ret = -ENOBUFS;
+	u32 val;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	if (rts >= 2347)
+		val = (u32) -1;
+	else
+		val = rts;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_SET_WIPHY, 0);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+	NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val);
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	if (!ret)
+		return 0;
+nla_put_failure:
+	wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
+		   "%d (%s)", rts, ret, strerror(-ret));
+	return ret;
+}
+
+
+static int i802_set_frag(void *priv, int frag)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg;
+	int ret = -ENOBUFS;
+	u32 val;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	if (frag >= 2346)
+		val = (u32) -1;
+	else
+		val = frag;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_SET_WIPHY, 0);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+	NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val);
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	if (!ret)
+		return 0;
+nla_put_failure:
+	wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
+		   "%d: %d (%s)", frag, ret, strerror(-ret));
+	return ret;
+}
+
+
+static int i802_flush(void *priv)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -1;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_DEL_STATION, 0);
+
+	/*
+	 * XXX: FIX! this needs to flush all VLANs too
+	 */
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
+		    if_nametoindex(bss->ifname));
+
+	return send_and_recv_msgs(drv, msg, NULL, NULL);
+ nla_put_failure:
+	return -ENOBUFS;
+}
+
+
+static int get_sta_handler(struct nl_msg *msg, void *arg)
+{
+	struct nlattr *tb[NL80211_ATTR_MAX + 1];
+	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+	struct hostap_sta_driver_data *data = arg;
+	struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
+	static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
+		[NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
+		[NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
+		[NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
+		[NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
+		[NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
+	};
+
+	nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+		  genlmsg_attrlen(gnlh, 0), NULL);
+
+	/*
+	 * TODO: validate the interface and mac address!
+	 * Otherwise, there's a race condition as soon as
+	 * the kernel starts sending station notifications.
+	 */
+
+	if (!tb[NL80211_ATTR_STA_INFO]) {
+		wpa_printf(MSG_DEBUG, "sta stats missing!");
+		return NL_SKIP;
+	}
+	if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
+			     tb[NL80211_ATTR_STA_INFO],
+			     stats_policy)) {
+		wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
+		return NL_SKIP;
+	}
+
+	if (stats[NL80211_STA_INFO_INACTIVE_TIME])
+		data->inactive_msec =
+			nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
+	if (stats[NL80211_STA_INFO_RX_BYTES])
+		data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
+	if (stats[NL80211_STA_INFO_TX_BYTES])
+		data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
+	if (stats[NL80211_STA_INFO_RX_PACKETS])
+		data->rx_packets =
+			nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
+	if (stats[NL80211_STA_INFO_TX_PACKETS])
+		data->tx_packets =
+			nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
+
+	return NL_SKIP;
+}
+
+static int i802_read_sta_data(void *priv, struct hostap_sta_driver_data *data,
+			      const u8 *addr)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg;
+
+	os_memset(data, 0, sizeof(*data));
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_GET_STATION, 0);
+
+	NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
+
+	return send_and_recv_msgs(drv, msg, get_sta_handler, data);
+ nla_put_failure:
+	return -ENOBUFS;
+}
+
+
+static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
+				    int cw_min, int cw_max, int burst_time)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg;
+	struct nlattr *txq, *params;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -1;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_SET_WIPHY, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
+
+	txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
+	if (!txq)
+		goto nla_put_failure;
+
+	/* We are only sending parameters for a single TXQ at a time */
+	params = nla_nest_start(msg, 1);
+	if (!params)
+		goto nla_put_failure;
+
+	switch (queue) {
+	case 0:
+		NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO);
+		break;
+	case 1:
+		NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI);
+		break;
+	case 2:
+		NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE);
+		break;
+	case 3:
+		NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK);
+		break;
+	}
+	/* Burst time is configured in units of 0.1 msec and TXOP parameter in
+	 * 32 usec, so need to convert the value here. */
+	NLA_PUT_U16(msg, NL80211_TXQ_ATTR_TXOP, (burst_time * 100 + 16) / 32);
+	NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min);
+	NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max);
+	NLA_PUT_U8(msg, NL80211_TXQ_ATTR_AIFS, aifs);
+
+	nla_nest_end(msg, params);
+
+	nla_nest_end(msg, txq);
+
+	if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
+		return 0;
+ nla_put_failure:
+	return -1;
+}
+
+
+static int i802_set_bss(void *priv, int cts, int preamble, int slot,
+			int ht_opmode)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+		    NL80211_CMD_SET_BSS, 0);
+
+	if (cts >= 0)
+		NLA_PUT_U8(msg, NL80211_ATTR_BSS_CTS_PROT, cts);
+	if (preamble >= 0)
+		NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble);
+	if (slot >= 0)
+		NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot);
+	if (ht_opmode >= 0)
+		NLA_PUT_U16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
+
+	return send_and_recv_msgs(drv, msg, NULL, NULL);
+ nla_put_failure:
+	return -ENOBUFS;
+}
+
+
+static int i802_set_cts_protect(void *priv, int value)
+{
+	return i802_set_bss(priv, value, -1, -1, -1);
+}
+
+
+static int i802_set_preamble(void *priv, int value)
+{
+	return i802_set_bss(priv, -1, value, -1, -1);
+}
+
+
+static int i802_set_short_slot_time(void *priv, int value)
+{
+	return i802_set_bss(priv, -1, -1, value, -1);
+}
+
+
+static int i802_set_sta_vlan(void *priv, const u8 *addr,
+			     const char *ifname, int vlan_id)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg;
+	int ret = -ENOBUFS;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_SET_STATION, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
+		    if_nametoindex(bss->ifname));
+	NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+	NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN,
+		    if_nametoindex(ifname));
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	if (ret < 0) {
+		wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
+			   MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
+			   MAC2STR(addr), ifname, vlan_id, ret,
+			   strerror(-ret));
+	}
+ nla_put_failure:
+	return ret;
+}
+
+
+static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
+                            const char *bridge_ifname)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	char name[IFNAMSIZ + 1];
+
+	os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
+	wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
+		   " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
+	if (val) {
+		if (!if_nametoindex(name)) {
+			if (nl80211_create_iface(drv, name,
+						 NL80211_IFTYPE_AP_VLAN,
+						 NULL, 1) < 0)
+				return -1;
+			if (bridge_ifname &&
+			    linux_br_add_if(drv->ioctl_sock, bridge_ifname,
+					    name) < 0)
+				return -1;
+		}
+		linux_set_iface_flags(drv->ioctl_sock, name, 1);
+		return i802_set_sta_vlan(priv, addr, name, 0);
+	} else {
+		i802_set_sta_vlan(priv, addr, bss->ifname, 0);
+		return wpa_driver_nl80211_if_remove(priv, WPA_IF_AP_VLAN,
+						    name);
+	}
+}
+
+
+static int i802_set_ht_params(void *priv, const u8 *ht_capab,
+			      size_t ht_capab_len, const u8 *ht_oper,
+			      size_t ht_oper_len)
+{
+	if (ht_oper_len >= 6) {
+		/* ht opmode uses 16bit in octet 5 & 6 */
+		u16 ht_opmode = le_to_host16(((u16 *) ht_oper)[2]);
+		return i802_set_bss(priv, -1, -1, -1, ht_opmode);
+	} else
+		return -1;
+}
+
+
+static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	struct wpa_driver_nl80211_data *drv = eloop_ctx;
+	struct sockaddr_ll lladdr;
+	unsigned char buf[3000];
+	int len;
+	socklen_t fromlen = sizeof(lladdr);
+
+	len = recvfrom(sock, buf, sizeof(buf), 0,
+		       (struct sockaddr *)&lladdr, &fromlen);
+	if (len < 0) {
+		perror("recv");
+		return;
+	}
+
+	if (have_ifidx(drv, lladdr.sll_ifindex))
+		drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
+}
+
+
+static int i802_get_inact_sec(void *priv, const u8 *addr)
+{
+	struct hostap_sta_driver_data data;
+	int ret;
+
+	data.inactive_msec = (unsigned long) -1;
+	ret = i802_read_sta_data(priv, &data, addr);
+	if (ret || data.inactive_msec == (unsigned long) -1)
+		return -1;
+	return data.inactive_msec / 1000;
+}
+
+
+static int i802_sta_clear_stats(void *priv, const u8 *addr)
+{
+#if 0
+	/* TODO */
+#endif
+	return 0;
+}
+
+#endif /* HOSTAPD */
+
+#if defined(HOSTAPD) || defined(CONFIG_AP)
+
+static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
+			   int reason)
+{
+	struct i802_bss *bss = priv;
+	struct ieee80211_mgmt mgmt;
+
+	memset(&mgmt, 0, sizeof(mgmt));
+	mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
+					  WLAN_FC_STYPE_DEAUTH);
+	memcpy(mgmt.da, addr, ETH_ALEN);
+	memcpy(mgmt.sa, own_addr, ETH_ALEN);
+	memcpy(mgmt.bssid, own_addr, ETH_ALEN);
+	mgmt.u.deauth.reason_code = host_to_le16(reason);
+	return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
+					    IEEE80211_HDRLEN +
+					    sizeof(mgmt.u.deauth));
+}
+
+
+static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
+			     int reason)
+{
+	struct i802_bss *bss = priv;
+	struct ieee80211_mgmt mgmt;
+
+	memset(&mgmt, 0, sizeof(mgmt));
+	mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
+					  WLAN_FC_STYPE_DISASSOC);
+	memcpy(mgmt.da, addr, ETH_ALEN);
+	memcpy(mgmt.sa, own_addr, ETH_ALEN);
+	memcpy(mgmt.bssid, own_addr, ETH_ALEN);
+	mgmt.u.disassoc.reason_code = host_to_le16(reason);
+	return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
+					    IEEE80211_HDRLEN +
+					    sizeof(mgmt.u.disassoc));
+}
+
+#endif /* HOSTAPD || CONFIG_AP */
+
+#ifdef HOSTAPD
+
+static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
+			     struct i802_bss *bss,
+			     const char *brname, const char *ifname)
+{
+	int ifindex;
+	char in_br[IFNAMSIZ];
+
+	os_strlcpy(bss->brname, brname, IFNAMSIZ);
+	ifindex = if_nametoindex(brname);
+	if (ifindex == 0) {
+		/*
+		 * Bridge was configured, but the bridge device does
+		 * not exist. Try to add it now.
+		 */
+		if (linux_br_add(drv->ioctl_sock, brname) < 0) {
+			wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
+				   "bridge interface %s: %s",
+				   brname, strerror(errno));
+			return -1;
+		}
+		bss->added_bridge = 1;
+		add_ifidx(drv, if_nametoindex(brname));
+	}
+
+	if (linux_br_get(in_br, ifname) == 0) {
+		if (os_strcmp(in_br, brname) == 0)
+			return 0; /* already in the bridge */
+
+		wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
+			   "bridge %s", ifname, in_br);
+		if (linux_br_del_if(drv->ioctl_sock, in_br, ifname) < 0) {
+			wpa_printf(MSG_ERROR, "nl80211: Failed to "
+				   "remove interface %s from bridge "
+				   "%s: %s",
+				   ifname, brname, strerror(errno));
+			return -1;
+		}
+	}
+
+	wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
+		   ifname, brname);
+	if (linux_br_add_if(drv->ioctl_sock, brname, ifname) < 0) {
+		wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
+			   "into bridge %s: %s",
+			   ifname, brname, strerror(errno));
+		return -1;
+	}
+	bss->added_if_into_bridge = 1;
+
+	return 0;
+}
+
+
+static void *i802_init(struct hostapd_data *hapd,
+		       struct wpa_init_params *params)
+{
+	struct wpa_driver_nl80211_data *drv;
+	struct i802_bss *bss;
+	size_t i;
+	char brname[IFNAMSIZ];
+	int ifindex, br_ifindex;
+	int br_added = 0;
+
+	bss = wpa_driver_nl80211_init(hapd, params->ifname, NULL);
+	if (bss == NULL)
+		return NULL;
+
+	drv = bss->drv;
+	drv->nlmode = NL80211_IFTYPE_AP;
+	if (linux_br_get(brname, params->ifname) == 0) {
+		wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
+			   params->ifname, brname);
+		br_ifindex = if_nametoindex(brname);
+	} else {
+		brname[0] = '\0';
+		br_ifindex = 0;
+	}
+
+	drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
+	drv->if_indices = drv->default_if_indices;
+	for (i = 0; i < params->num_bridge; i++) {
+		if (params->bridge[i]) {
+			ifindex = if_nametoindex(params->bridge[i]);
+			if (ifindex)
+				add_ifidx(drv, ifindex);
+			if (ifindex == br_ifindex)
+				br_added = 1;
+		}
+	}
+	if (!br_added && br_ifindex &&
+	    (params->num_bridge == 0 || !params->bridge[0]))
+		add_ifidx(drv, br_ifindex);
+
+	/* start listening for EAPOL on the default AP interface */
+	add_ifidx(drv, drv->ifindex);
+
+	if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 0))
+		goto failed;
+
+	if (params->bssid) {
+		if (linux_set_ifhwaddr(drv->ioctl_sock, bss->ifname,
+				       params->bssid))
+			goto failed;
+	}
+
+	if (wpa_driver_nl80211_set_mode(bss, IEEE80211_MODE_AP)) {
+		wpa_printf(MSG_ERROR, "nl80211: Failed to set interface %s "
+			   "into AP mode", bss->ifname);
+		goto failed;
+	}
+
+	if (params->num_bridge && params->bridge[0] &&
+	    i802_check_bridge(drv, bss, params->bridge[0], params->ifname) < 0)
+		goto failed;
+
+	if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 1))
+		goto failed;
+
+	drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
+	if (drv->eapol_sock < 0) {
+		perror("socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE)");
+		goto failed;
+	}
+
+	if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
+	{
+		printf("Could not register read socket for eapol\n");
+		goto failed;
+	}
+
+	if (linux_get_ifhwaddr(drv->ioctl_sock, bss->ifname, params->own_addr))
+		goto failed;
+
+	return bss;
+
+failed:
+	nl80211_remove_monitor_interface(drv);
+	rfkill_deinit(drv->rfkill);
+	netlink_deinit(drv->netlink);
+	if (drv->ioctl_sock >= 0)
+		close(drv->ioctl_sock);
+
+	genl_family_put(drv->nl80211);
+	nl_cache_free(drv->nl_cache);
+	nl80211_handle_destroy(drv->nl_handle);
+	nl_cb_put(drv->nl_cb);
+	eloop_unregister_read_sock(nl_socket_get_fd(drv->nl_handle_event));
+
+	os_free(drv);
+	return NULL;
+}
+
+
+static void i802_deinit(void *priv)
+{
+	wpa_driver_nl80211_deinit(priv);
+}
+
+#endif /* HOSTAPD */
+
+
+static enum nl80211_iftype wpa_driver_nl80211_if_type(
+	enum wpa_driver_if_type type)
+{
+	switch (type) {
+	case WPA_IF_STATION:
+		return NL80211_IFTYPE_STATION;
+	case WPA_IF_P2P_CLIENT:
+	case WPA_IF_P2P_GROUP:
+		return NL80211_IFTYPE_P2P_CLIENT;
+	case WPA_IF_AP_VLAN:
+		return NL80211_IFTYPE_AP_VLAN;
+	case WPA_IF_AP_BSS:
+		return NL80211_IFTYPE_AP;
+	case WPA_IF_P2P_GO:
+		return NL80211_IFTYPE_P2P_GO;
+	}
+	return -1;
+}
+
+
+#ifdef CONFIG_P2P
+
+static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
+{
+	struct wpa_driver_nl80211_data *drv;
+	dl_list_for_each(drv, &global->interfaces,
+			 struct wpa_driver_nl80211_data, list) {
+		if (os_memcmp(addr, drv->addr, ETH_ALEN) == 0)
+			return 1;
+	}
+	return 0;
+}
+
+
+static int nl80211_p2p_interface_addr(struct wpa_driver_nl80211_data *drv,
+				      u8 *new_addr)
+{
+	unsigned int idx;
+
+	if (!drv->global)
+		return -1;
+
+	os_memcpy(new_addr, drv->addr, ETH_ALEN);
+	for (idx = 0; idx < 64; idx++) {
+		new_addr[0] = drv->addr[0] | 0x02;
+		new_addr[0] ^= idx << 2;
+		if (!nl80211_addr_in_use(drv->global, new_addr))
+			break;
+	}
+	if (idx == 64)
+		return -1;
+
+	wpa_printf(MSG_DEBUG, "nl80211: Assigned new P2P Interface Address "
+		   MACSTR, MAC2STR(new_addr));
+
+	return 0;
+}
+
+#endif /* CONFIG_P2P */
+
+
+static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
+				     const char *ifname, const u8 *addr,
+				     void *bss_ctx, void **drv_priv,
+				     char *force_ifname, u8 *if_addr,
+				     const char *bridge)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	int ifidx;
+#ifdef HOSTAPD
+	struct i802_bss *new_bss = NULL;
+
+	if (type == WPA_IF_AP_BSS) {
+		new_bss = os_zalloc(sizeof(*new_bss));
+		if (new_bss == NULL)
+			return -1;
+	}
+#endif /* HOSTAPD */
+
+	if (addr)
+		os_memcpy(if_addr, addr, ETH_ALEN);
+	ifidx = nl80211_create_iface(drv, ifname,
+				     wpa_driver_nl80211_if_type(type), addr,
+				     0);
+	if (ifidx < 0) {
+#ifdef HOSTAPD
+		os_free(new_bss);
+#endif /* HOSTAPD */
+		return -1;
+	}
+
+	if (!addr &&
+	    linux_get_ifhwaddr(drv->ioctl_sock, bss->ifname, if_addr) < 0) {
+		nl80211_remove_iface(drv, ifidx);
+		return -1;
+	}
+
+#ifdef CONFIG_P2P
+	if (!addr &&
+	    (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
+	     type == WPA_IF_P2P_GO)) {
+		/* Enforce unique P2P Interface Address */
+		u8 new_addr[ETH_ALEN], own_addr[ETH_ALEN];
+
+		if (linux_get_ifhwaddr(drv->ioctl_sock, bss->ifname, own_addr)
+		    < 0 ||
+		    linux_get_ifhwaddr(drv->ioctl_sock, ifname, new_addr) < 0)
+		{
+			nl80211_remove_iface(drv, ifidx);
+			return -1;
+		}
+		if (os_memcmp(own_addr, new_addr, ETH_ALEN) == 0) {
+			wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
+				   "for P2P group interface");
+			if (nl80211_p2p_interface_addr(drv, new_addr) < 0) {
+				nl80211_remove_iface(drv, ifidx);
+				return -1;
+			}
+			if (linux_set_ifhwaddr(drv->ioctl_sock, ifname,
+					       new_addr) < 0) {
+				nl80211_remove_iface(drv, ifidx);
+				return -1;
+			}
+			os_memcpy(if_addr, new_addr, ETH_ALEN);
+		}
+	}
+#endif /* CONFIG_P2P */
+
+#ifdef HOSTAPD
+	if (bridge &&
+	    i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
+		wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
+			   "interface %s to a bridge %s", ifname, bridge);
+		nl80211_remove_iface(drv, ifidx);
+		os_free(new_bss);
+		return -1;
+	}
+
+	if (type == WPA_IF_AP_BSS) {
+		if (linux_set_iface_flags(drv->ioctl_sock, ifname, 1)) {
+			nl80211_remove_iface(drv, ifidx);
+			os_free(new_bss);
+			return -1;
+		}
+		os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
+		new_bss->ifindex = ifidx;
+		new_bss->drv = drv;
+		new_bss->next = drv->first_bss.next;
+		drv->first_bss.next = new_bss;
+		if (drv_priv)
+			*drv_priv = new_bss;
+	}
+#endif /* HOSTAPD */
+
+	return 0;
+}
+
+
+static int wpa_driver_nl80211_if_remove(void *priv,
+					enum wpa_driver_if_type type,
+					const char *ifname)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	int ifindex = if_nametoindex(ifname);
+
+	wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d",
+		   __func__, type, ifname, ifindex);
+	if (ifindex <= 0)
+		return -1;
+
+#ifdef HOSTAPD
+	if (bss->added_if_into_bridge) {
+		if (linux_br_del_if(drv->ioctl_sock, bss->brname, bss->ifname)
+		    < 0)
+			wpa_printf(MSG_INFO, "nl80211: Failed to remove "
+				   "interface %s from bridge %s: %s",
+				   bss->ifname, bss->brname, strerror(errno));
+	}
+	if (bss->added_bridge) {
+		if (linux_br_del(drv->ioctl_sock, bss->brname) < 0)
+			wpa_printf(MSG_INFO, "nl80211: Failed to remove "
+				   "bridge %s: %s",
+				   bss->brname, strerror(errno));
+	}
+#endif /* HOSTAPD */
+
+	nl80211_remove_iface(drv, ifindex);
+
+#ifdef HOSTAPD
+	if (type != WPA_IF_AP_BSS)
+		return 0;
+
+	if (bss != &drv->first_bss) {
+		struct i802_bss *tbss;
+
+		for (tbss = &drv->first_bss; tbss; tbss = tbss->next) {
+			if (tbss->next == bss) {
+				tbss->next = bss->next;
+				os_free(bss);
+				bss = NULL;
+				break;
+			}
+		}
+		if (bss)
+			wpa_printf(MSG_INFO, "nl80211: %s - could not find "
+				   "BSS %p in the list", __func__, bss);
+	}
+#endif /* HOSTAPD */
+
+	return 0;
+}
+
+
+static int cookie_handler(struct nl_msg *msg, void *arg)
+{
+	struct nlattr *tb[NL80211_ATTR_MAX + 1];
+	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+	u64 *cookie = arg;
+	nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+		  genlmsg_attrlen(gnlh, 0), NULL);
+	if (tb[NL80211_ATTR_COOKIE])
+		*cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
+	return NL_SKIP;
+}
+
+
+static int nl80211_send_frame_cmd(struct wpa_driver_nl80211_data *drv,
+				  unsigned int freq, unsigned int wait,
+				  const u8 *buf, size_t buf_len,
+				  u64 *cookie_out)
+{
+	struct nl_msg *msg;
+	u64 cookie;
+	int ret = -1;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -1;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+		    NL80211_CMD_FRAME, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+	NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
+	NLA_PUT_U32(msg, NL80211_ATTR_DURATION, wait);
+	NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK);
+	NLA_PUT(msg, NL80211_ATTR_FRAME, buf_len, buf);
+
+	cookie = 0;
+	ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
+	msg = NULL;
+	if (ret) {
+		wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
+			   "(%s)", ret, strerror(-ret));
+		goto nla_put_failure;
+	}
+	wpa_printf(MSG_DEBUG, "nl80211: Frame TX command accepted; "
+		   "cookie 0x%llx", (long long unsigned int) cookie);
+
+	if (cookie_out)
+		*cookie_out = cookie;
+
+nla_put_failure:
+	nlmsg_free(msg);
+	return ret;
+}
+
+
+static int wpa_driver_nl80211_send_action(void *priv, unsigned int freq,
+					  unsigned int wait_time,
+					  const u8 *dst, const u8 *src,
+					  const u8 *bssid,
+					  const u8 *data, size_t data_len)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	int ret = -1;
+	u8 *buf;
+	struct ieee80211_hdr *hdr;
+
+	wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
+		   "wait=%d ms)", drv->ifindex, wait_time);
+
+	buf = os_zalloc(24 + data_len);
+	if (buf == NULL)
+		return ret;
+	os_memcpy(buf + 24, data, data_len);
+	hdr = (struct ieee80211_hdr *) buf;
+	hdr->frame_control =
+		IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
+	os_memcpy(hdr->addr1, dst, ETH_ALEN);
+	os_memcpy(hdr->addr2, src, ETH_ALEN);
+	os_memcpy(hdr->addr3, bssid, ETH_ALEN);
+
+	if (drv->nlmode == NL80211_IFTYPE_AP)
+		ret = wpa_driver_nl80211_send_mlme(priv, buf, 24 + data_len);
+	else
+		ret = nl80211_send_frame_cmd(drv, freq, wait_time, buf,
+					     24 + data_len,
+					     &drv->send_action_cookie);
+
+	os_free(buf);
+	return ret;
+}
+
+
+static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg;
+	int ret;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+		    NL80211_CMD_FRAME_WAIT_CANCEL, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+	NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie);
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	msg = NULL;
+	if (ret)
+		wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
+			   "(%s)", ret, strerror(-ret));
+
+ nla_put_failure:
+	nlmsg_free(msg);
+}
+
+
+static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
+						unsigned int duration)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg;
+	int ret;
+	u64 cookie;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -1;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+		    NL80211_CMD_REMAIN_ON_CHANNEL, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+	NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
+	NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration);
+
+	cookie = 0;
+	ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
+	if (ret == 0) {
+		wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
+			   "0x%llx for freq=%u MHz duration=%u",
+			   (long long unsigned int) cookie, freq, duration);
+		drv->remain_on_chan_cookie = cookie;
+		return 0;
+	}
+	wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
+		   "(freq=%d duration=%u): %d (%s)",
+		   freq, duration, ret, strerror(-ret));
+nla_put_failure:
+	return -1;
+}
+
+
+static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg;
+	int ret;
+
+	if (!drv->pending_remain_on_chan) {
+		wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
+			   "to cancel");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
+		   "0x%llx",
+		   (long long unsigned int) drv->remain_on_chan_cookie);
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -1;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+		    NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+	NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie);
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	if (ret == 0)
+		return 0;
+	wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
+		   "%d (%s)", ret, strerror(-ret));
+nla_put_failure:
+	return -1;
+}
+
+
+static int wpa_driver_nl80211_probe_req_report(void *priv, int report)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+
+	if (drv->nlmode != NL80211_IFTYPE_STATION) {
+		wpa_printf(MSG_DEBUG, "nl80211: probe_req_report control only "
+			   "allowed in station mode (iftype=%d)",
+			   drv->nlmode);
+		return -1;
+	}
+
+	if (!report) {
+		if (drv->nl_handle_preq) {
+			eloop_unregister_read_sock(
+				nl_socket_get_fd(drv->nl_handle_preq));
+			nl_cache_free(drv->nl_cache_preq);
+			nl80211_handle_destroy(drv->nl_handle_preq);
+			drv->nl_handle_preq = NULL;
+		}
+		return 0;
+	}
+
+	if (drv->nl_handle_preq) {
+		wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
+			   "already on!");
+		return 0;
+	}
+
+	drv->nl_handle_preq = nl80211_handle_alloc(drv->nl_cb);
+	if (drv->nl_handle_preq == NULL) {
+		wpa_printf(MSG_ERROR, "nl80211: Failed to allocate "
+			   "netlink callbacks (preq)");
+		goto out_err1;
+	}
+
+	if (genl_connect(drv->nl_handle_preq)) {
+		wpa_printf(MSG_ERROR, "nl80211: Failed to connect to "
+			   "generic netlink (preq)");
+		goto out_err2;
+		return -1;
+	}
+
+#ifdef CONFIG_LIBNL20
+	if (genl_ctrl_alloc_cache(drv->nl_handle_preq,
+				  &drv->nl_cache_preq) < 0) {
+		wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
+			   "netlink cache (preq)");
+		goto out_err2;
+	}
+#else /* CONFIG_LIBNL20 */
+	drv->nl_cache_preq = genl_ctrl_alloc_cache(drv->nl_handle_preq);
+	if (drv->nl_cache_preq == NULL) {
+		wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
+			   "netlink cache (preq)");
+		goto out_err2;
+	}
+#endif /* CONFIG_LIBNL20 */
+
+	if (nl80211_register_frame(drv, drv->nl_handle_preq,
+				   (WLAN_FC_TYPE_MGMT << 2) |
+				   (WLAN_FC_STYPE_PROBE_REQ << 4),
+				   NULL, 0) < 0) {
+		goto out_err3;
+	}
+
+	eloop_register_read_sock(nl_socket_get_fd(drv->nl_handle_preq),
+				 wpa_driver_nl80211_event_receive, drv,
+				 drv->nl_handle_preq);
+
+	return 0;
+
+ out_err3:
+	nl_cache_free(drv->nl_cache_preq);
+ out_err2:
+	nl80211_handle_destroy(drv->nl_handle_preq);
+	drv->nl_handle_preq = NULL;
+ out_err1:
+	return -1;
+}
+
+
+static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
+				     int ifindex, int disabled)
+{
+	struct nl_msg *msg;
+	struct nlattr *bands, *band;
+	int ret;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -1;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+		    NL80211_CMD_SET_TX_BITRATE_MASK, 0);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
+
+	bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
+	if (!bands)
+		goto nla_put_failure;
+
+	/*
+	 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
+	 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
+	 * rates. All 5 GHz rates are left enabled.
+	 */
+	band = nla_nest_start(msg, NL80211_BAND_2GHZ);
+	if (!band)
+		goto nla_put_failure;
+	NLA_PUT(msg, NL80211_TXRATE_LEGACY, 8,
+		"\x0c\x12\x18\x24\x30\x48\x60\x6c");
+	nla_nest_end(msg, band);
+
+	nla_nest_end(msg, bands);
+
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	msg = NULL;
+	if (ret) {
+		wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
+			   "(%s)", ret, strerror(-ret));
+	}
+
+	return ret;
+
+nla_put_failure:
+	nlmsg_free(msg);
+	return -1;
+}
+
+
+static int wpa_driver_nl80211_disable_11b_rates(void *priv, int disabled)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	drv->disable_11b_rates = disabled;
+	return nl80211_disable_11b_rates(drv, drv->ifindex, disabled);
+}
+
+
+static int wpa_driver_nl80211_deinit_ap(void *priv)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	if (drv->nlmode != NL80211_IFTYPE_AP)
+		return -1;
+	wpa_driver_nl80211_del_beacon(drv);
+	return wpa_driver_nl80211_set_mode(priv, IEEE80211_MODE_INFRA);
+}
+
+
+static void wpa_driver_nl80211_resume(void *priv)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 1)) {
+		wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on "
+			   "resume event");
+	}
+}
+
+
+static int nl80211_send_ft_action(void *priv, u8 action, const u8 *target_ap,
+				  const u8 *ies, size_t ies_len)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	int ret;
+	u8 *data, *pos;
+	size_t data_len;
+	u8 own_addr[ETH_ALEN];
+
+	if (linux_get_ifhwaddr(drv->ioctl_sock, bss->ifname, own_addr) < 0)
+		return -1;
+
+	if (action != 1) {
+		wpa_printf(MSG_ERROR, "nl80211: Unsupported send_ft_action "
+			   "action %d", action);
+		return -1;
+	}
+
+	/*
+	 * Action frame payload:
+	 * Category[1] = 6 (Fast BSS Transition)
+	 * Action[1] = 1 (Fast BSS Transition Request)
+	 * STA Address
+	 * Target AP Address
+	 * FT IEs
+	 */
+
+	data_len = 2 + 2 * ETH_ALEN + ies_len;
+	data = os_malloc(data_len);
+	if (data == NULL)
+		return -1;
+	pos = data;
+	*pos++ = 0x06; /* FT Action category */
+	*pos++ = action;
+	os_memcpy(pos, own_addr, ETH_ALEN);
+	pos += ETH_ALEN;
+	os_memcpy(pos, target_ap, ETH_ALEN);
+	pos += ETH_ALEN;
+	os_memcpy(pos, ies, ies_len);
+
+	ret = wpa_driver_nl80211_send_action(bss, drv->assoc_freq, 0,
+					     drv->bssid, own_addr, drv->bssid,
+					     data, data_len);
+	os_free(data);
+
+	return ret;
+}
+
+
+static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg, *cqm = NULL;
+
+	wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
+		   "hysteresis=%d", threshold, hysteresis);
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -1;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_SET_CQM, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
+
+	cqm = nlmsg_alloc();
+	if (cqm == NULL)
+		return -1;
+
+	NLA_PUT_U32(cqm, NL80211_ATTR_CQM_RSSI_THOLD, threshold);
+	NLA_PUT_U32(cqm, NL80211_ATTR_CQM_RSSI_HYST, hysteresis);
+	nla_put_nested(msg, NL80211_ATTR_CQM, cqm);
+
+	if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
+		return 0;
+	msg = NULL;
+
+nla_put_failure:
+	if (cqm)
+		nlmsg_free(cqm);
+	nlmsg_free(msg);
+	return -1;
+}
+
+
+static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	int res;
+
+	os_memset(si, 0, sizeof(*si));
+	res = nl80211_get_link_signal(drv, si);
+	if (res != 0)
+		return res;
+
+	return nl80211_get_link_noise(drv, si);
+}
+
+
+static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
+			      int encrypt)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	return wpa_driver_nl80211_send_frame(drv, data, data_len, encrypt);
+}
+
+
+static int nl80211_set_intra_bss(void *priv, int enabled)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	struct nl_msg *msg;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+		    NL80211_CMD_SET_BSS, 0);
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
+	NLA_PUT_U8(msg, NL80211_ATTR_AP_ISOLATE, !enabled);
+
+	return send_and_recv_msgs(drv, msg, NULL, NULL);
+ nla_put_failure:
+	return -ENOBUFS;
+}
+
+
+static int nl80211_set_param(void *priv, const char *param)
+{
+	wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
+	if (param == NULL)
+		return 0;
+
+#ifdef CONFIG_P2P
+	if (os_strstr(param, "use_p2p_group_interface=1")) {
+		struct i802_bss *bss = priv;
+		struct wpa_driver_nl80211_data *drv = bss->drv;
+
+		wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
+			   "interface");
+		drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
+		drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
+	}
+#endif /* CONFIG_P2P */
+
+	return 0;
+}
+
+
+static void * nl80211_global_init(void)
+{
+	struct nl80211_global *global;
+	global = os_zalloc(sizeof(*global));
+	if (global == NULL)
+		return NULL;
+	dl_list_init(&global->interfaces);
+	return global;
+}
+
+
+static void nl80211_global_deinit(void *priv)
+{
+	struct nl80211_global *global = priv;
+	if (global == NULL)
+		return;
+	if (!dl_list_empty(&global->interfaces)) {
+		wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
+			   "nl80211_global_deinit",
+			   dl_list_len(&global->interfaces));
+	}
+	os_free(global);
+}
+
+
+static const char * nl80211_get_radio_name(void *priv)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+	return drv->phyname;
+}
+
+
+const struct wpa_driver_ops wpa_driver_nl80211_ops = {
+	.name = "nl80211",
+	.desc = "Linux nl80211/cfg80211",
+	.get_bssid = wpa_driver_nl80211_get_bssid,
+	.get_ssid = wpa_driver_nl80211_get_ssid,
+	.set_key = wpa_driver_nl80211_set_key,
+	.scan2 = wpa_driver_nl80211_scan,
+	.get_scan_results2 = wpa_driver_nl80211_get_scan_results,
+	.deauthenticate = wpa_driver_nl80211_deauthenticate,
+	.disassociate = wpa_driver_nl80211_disassociate,
+	.authenticate = wpa_driver_nl80211_authenticate,
+	.associate = wpa_driver_nl80211_associate,
+	.global_init = nl80211_global_init,
+	.global_deinit = nl80211_global_deinit,
+	.init2 = wpa_driver_nl80211_init,
+	.deinit = wpa_driver_nl80211_deinit,
+	.get_capa = wpa_driver_nl80211_get_capa,
+	.set_operstate = wpa_driver_nl80211_set_operstate,
+	.set_supp_port = wpa_driver_nl80211_set_supp_port,
+	.set_country = wpa_driver_nl80211_set_country,
+	.set_beacon = wpa_driver_nl80211_set_beacon,
+	.if_add = wpa_driver_nl80211_if_add,
+	.if_remove = wpa_driver_nl80211_if_remove,
+	.send_mlme = wpa_driver_nl80211_send_mlme,
+	.get_hw_feature_data = wpa_driver_nl80211_get_hw_feature_data,
+	.sta_add = wpa_driver_nl80211_sta_add,
+	.sta_remove = wpa_driver_nl80211_sta_remove,
+	.hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
+	.sta_set_flags = wpa_driver_nl80211_sta_set_flags,
+#ifdef HOSTAPD
+	.hapd_init = i802_init,
+	.hapd_deinit = i802_deinit,
+	.get_seqnum = i802_get_seqnum,
+	.flush = i802_flush,
+	.read_sta_data = i802_read_sta_data,
+	.get_inact_sec = i802_get_inact_sec,
+	.sta_clear_stats = i802_sta_clear_stats,
+	.set_rts = i802_set_rts,
+	.set_frag = i802_set_frag,
+	.set_rate_sets = i802_set_rate_sets,
+	.set_cts_protect = i802_set_cts_protect,
+	.set_preamble = i802_set_preamble,
+	.set_short_slot_time = i802_set_short_slot_time,
+	.set_tx_queue_params = i802_set_tx_queue_params,
+	.set_sta_vlan = i802_set_sta_vlan,
+	.set_wds_sta = i802_set_wds_sta,
+	.set_ht_params = i802_set_ht_params,
+#endif /* HOSTAPD */
+#if defined(HOSTAPD) || defined(CONFIG_AP)
+	.sta_deauth = i802_sta_deauth,
+	.sta_disassoc = i802_sta_disassoc,
+#endif /* HOSTAPD || CONFIG_AP */
+	.set_freq = i802_set_freq,
+	.send_action = wpa_driver_nl80211_send_action,
+	.send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
+	.remain_on_channel = wpa_driver_nl80211_remain_on_channel,
+	.cancel_remain_on_channel =
+	wpa_driver_nl80211_cancel_remain_on_channel,
+	.probe_req_report = wpa_driver_nl80211_probe_req_report,
+	.disable_11b_rates = wpa_driver_nl80211_disable_11b_rates,
+	.deinit_ap = wpa_driver_nl80211_deinit_ap,
+	.resume = wpa_driver_nl80211_resume,
+	.send_ft_action = nl80211_send_ft_action,
+	.signal_monitor = nl80211_signal_monitor,
+	.signal_poll = nl80211_signal_poll,
+	.send_frame = nl80211_send_frame,
+	.set_intra_bss = nl80211_set_intra_bss,
+	.set_param = nl80211_set_param,
+	.get_radio_name = nl80211_get_radio_name,
+};
diff --git a/src/drivers/driver_none.c b/src/drivers/driver_none.c
new file mode 100644
index 0000000..aaeacd6
--- /dev/null
+++ b/src/drivers/driver_none.c
@@ -0,0 +1,99 @@
+/*
+ * Driver interface for RADIUS server or WPS ER only (no driver)
+ * Copyright (c) 2008, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "driver.h"
+
+
+struct none_driver_data {
+	struct hostapd_data *hapd;
+	void *ctx;
+};
+
+
+static void * none_driver_hapd_init(struct hostapd_data *hapd,
+				    struct wpa_init_params *params)
+{
+	struct none_driver_data *drv;
+
+	drv = os_zalloc(sizeof(struct none_driver_data));
+	if (drv == NULL) {
+		wpa_printf(MSG_ERROR, "Could not allocate memory for none "
+			   "driver data");
+		return NULL;
+	}
+	drv->hapd = hapd;
+
+	return drv;
+}
+
+
+static void none_driver_hapd_deinit(void *priv)
+{
+	struct none_driver_data *drv = priv;
+
+	os_free(drv);
+}
+
+
+static int none_driver_send_ether(void *priv, const u8 *dst, const u8 *src,
+				  u16 proto, const u8 *data, size_t data_len)
+{
+	return 0;
+}
+
+
+static void * none_driver_init(void *ctx, const char *ifname)
+{
+	struct none_driver_data *drv;
+
+	drv = os_zalloc(sizeof(struct none_driver_data));
+	if (drv == NULL) {
+		wpa_printf(MSG_ERROR, "Could not allocate memory for none "
+			   "driver data");
+		return NULL;
+	}
+	drv->ctx = ctx;
+
+	return drv;
+}
+
+
+static void none_driver_deinit(void *priv)
+{
+	struct none_driver_data *drv = priv;
+
+	os_free(drv);
+}
+
+
+static int none_driver_send_eapol(void *priv, const u8 *dest, u16 proto,
+				  const u8 *data, size_t data_len)
+{
+	return -1;
+}
+
+
+const struct wpa_driver_ops wpa_driver_none_ops = {
+	.name = "none",
+	.desc = "no driver (RADIUS server/WPS ER)",
+	.hapd_init = none_driver_hapd_init,
+	.hapd_deinit = none_driver_hapd_deinit,
+	.send_ether = none_driver_send_ether,
+	.init = none_driver_init,
+	.deinit = none_driver_deinit,
+	.send_eapol = none_driver_send_eapol,
+};
diff --git a/src/drivers/driver_osx.m b/src/drivers/driver_osx.m
new file mode 100644
index 0000000..69ca4b5
--- /dev/null
+++ b/src/drivers/driver_osx.m
@@ -0,0 +1,459 @@
+/*
+ * WPA Supplicant - Mac OS X Apple80211 driver interface
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#define Boolean __DummyBoolean
+#include <CoreFoundation/CoreFoundation.h>
+#undef Boolean
+
+#include "common.h"
+#include "driver.h"
+#include "eloop.h"
+#include "common/ieee802_11_defs.h"
+
+#include "Apple80211.h"
+
+struct wpa_driver_osx_data {
+	void *ctx;
+	WirelessRef wireless_ctx;
+	CFArrayRef scan_results;
+};
+
+
+#ifndef CONFIG_NO_STDOUT_DEBUG
+extern int wpa_debug_level;
+
+static void dump_dict_cb(const void *key, const void *value, void *context)
+{
+        if (MSG_DEBUG < wpa_debug_level)
+                return;
+
+	wpa_printf(MSG_DEBUG, "Key:");
+	CFShow(key);
+	wpa_printf(MSG_DEBUG, "Value:");
+	CFShow(value);
+}
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+
+
+static void wpa_driver_osx_dump_dict(CFDictionaryRef dict, const char *title)
+{
+#ifndef CONFIG_NO_STDOUT_DEBUG
+	wpa_printf(MSG_DEBUG, "OSX: Dump dictionary %s - %u entries",
+		   title, (unsigned int) CFDictionaryGetCount(dict));
+	CFDictionaryApplyFunction(dict, dump_dict_cb, NULL);
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+}
+
+
+static int wpa_driver_osx_get_ssid(void *priv, u8 *ssid)
+{
+	struct wpa_driver_osx_data *drv = priv;
+	WirelessError err;
+	WirelessInfo info;
+	int len;
+
+	err = WirelessGetInfo(drv->wireless_ctx, &info);
+	if (err) {
+		wpa_printf(MSG_DEBUG, "OSX: WirelessGetInfo failed: %d",
+			   (int) err);
+		return -1;
+	}
+	if (!info.power) {
+		wpa_printf(MSG_DEBUG, "OSX: Wireless device power off");
+		return -1;
+	}
+
+	for (len = 0; len < 32; len++)
+		if (info.ssid[len] == 0)
+			break;
+
+	os_memcpy(ssid, info.ssid, len);
+	return len;
+}
+
+
+static int wpa_driver_osx_get_bssid(void *priv, u8 *bssid)
+{
+	struct wpa_driver_osx_data *drv = priv;
+	WirelessError err;
+	WirelessInfo info;
+
+	err = WirelessGetInfo(drv->wireless_ctx, &info);
+	if (err) {
+		wpa_printf(MSG_DEBUG, "OSX: WirelessGetInfo failed: %d",
+			   (int) err);
+		return -1;
+	}
+	if (!info.power) {
+		wpa_printf(MSG_DEBUG, "OSX: Wireless device power off");
+		return -1;
+	}
+
+	os_memcpy(bssid, info.bssID, ETH_ALEN);
+	return 0;
+}
+
+
+static void wpa_driver_osx_scan_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
+}
+
+
+static int wpa_driver_osx_scan(void *priv, struct wpa_driver_scan_params *params)
+{
+	struct wpa_driver_osx_data *drv = priv;
+	WirelessError err;
+	const u8 *ssid = params->ssids[0].ssid;
+	size_t ssid_len = params->ssids[0].ssid_len;
+
+	if (drv->scan_results) {
+		CFRelease(drv->scan_results);
+		drv->scan_results = NULL;
+	}
+
+	if (ssid) {
+		CFStringRef data;
+		data = CFStringCreateWithBytes(kCFAllocatorDefault,
+					       ssid, ssid_len,
+					       kCFStringEncodingISOLatin1,
+					       FALSE);
+		if (data == NULL) {
+			wpa_printf(MSG_DEBUG, "CFStringCreateWithBytes "
+				   "failed");
+			return -1;
+		}
+
+		err = WirelessDirectedScan(drv->wireless_ctx,
+					   &drv->scan_results, 0, data);
+		CFRelease(data);
+		if (err) {
+			wpa_printf(MSG_DEBUG, "OSX: WirelessDirectedScan "
+				   "failed: 0x%08x", (unsigned int) err);
+			return -1;
+		}
+	} else {
+		err = WirelessScan(drv->wireless_ctx, &drv->scan_results, 0);
+		if (err) {
+			wpa_printf(MSG_DEBUG, "OSX: WirelessScan failed: "
+				   "0x%08x", (unsigned int) err);
+			return -1;
+		}
+	}
+
+	eloop_register_timeout(0, 0, wpa_driver_osx_scan_timeout, drv,
+			       drv->ctx);
+	return 0;
+}
+
+
+static void wpa_driver_osx_add_scan_entry(struct wpa_scan_results *res,
+					  WirelessNetworkInfo *info)
+{
+	struct wpa_scan_res *result, **tmp;
+	size_t extra_len;
+	u8 *pos;
+
+	extra_len = 2 + info->ssid_len;
+
+	result = os_zalloc(sizeof(*result) + extra_len);
+	if (result == NULL)
+		return;
+	os_memcpy(result->bssid, info->bssid, ETH_ALEN);
+	result->freq = 2407 + info->channel * 5;
+	//result->beacon_int =;
+	result->caps = info->capability;
+	//result->qual = info->signal;
+	result->noise = info->noise;
+
+	pos = (u8 *)(result + 1);
+
+	*pos++ = WLAN_EID_SSID;
+	*pos++ = info->ssid_len;
+	os_memcpy(pos, info->ssid, info->ssid_len);
+	pos += info->ssid_len;
+
+	result->ie_len = pos - (u8 *)(result + 1);
+
+	tmp = os_realloc(res->res,
+			 (res->num + 1) * sizeof(struct wpa_scan_res *));
+	if (tmp == NULL) {
+		os_free(result);
+		return;
+	}
+	tmp[res->num++] = result;
+	res->res = tmp;
+}
+
+
+static struct wpa_scan_results * wpa_driver_osx_get_scan_results(void *priv)
+{
+	struct wpa_driver_osx_data *drv = priv;
+	struct wpa_scan_results *res;
+	size_t i, num;
+
+	if (drv->scan_results == NULL)
+		return 0;
+
+	num = CFArrayGetCount(drv->scan_results);
+
+	res = os_zalloc(sizeof(*res));
+	if (res == NULL)
+		return NULL;
+
+	for (i = 0; i < num; i++)
+		wpa_driver_osx_add_scan_entry(res, (WirelessNetworkInfo *)
+			CFDataGetBytePtr(CFArrayGetValueAtIndex(
+				drv->scan_results, i)));
+
+	return res;
+}
+
+
+static void wpa_driver_osx_assoc_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_driver_osx_data *drv = eloop_ctx;
+	u8 bssid[ETH_ALEN];
+	CFDictionaryRef ai;
+
+	if (wpa_driver_osx_get_bssid(drv, bssid) != 0) {
+		eloop_register_timeout(1, 0, wpa_driver_osx_assoc_timeout,
+				       drv, drv->ctx);
+		return;
+	}
+
+	ai = WirelessGetAssociationInfo(drv->wireless_ctx);
+	if (ai) {
+		wpa_driver_osx_dump_dict(ai, "WirelessGetAssociationInfo");
+		CFRelease(ai);
+	} else {
+		wpa_printf(MSG_DEBUG, "OSX: Failed to get association info");
+	}
+
+	wpa_supplicant_event(timeout_ctx, EVENT_ASSOC, NULL);
+}
+
+
+static int wpa_driver_osx_associate(void *priv,
+				    struct wpa_driver_associate_params *params)
+{
+	struct wpa_driver_osx_data *drv = priv;
+	WirelessError err;
+	CFDataRef ssid;
+	CFStringRef key;
+	int assoc_type;
+
+	ssid = CFDataCreate(kCFAllocatorDefault, params->ssid,
+			    params->ssid_len);
+	if (ssid == NULL)
+		return -1;
+
+	/* TODO: support for WEP */
+	if (params->key_mgmt_suite == KEY_MGMT_PSK) {
+		if (params->passphrase == NULL)
+			return -1;
+		key = CFStringCreateWithCString(kCFAllocatorDefault,
+						params->passphrase,
+						kCFStringEncodingISOLatin1);
+		if (key == NULL) {
+			CFRelease(ssid);
+			return -1;
+		}
+	} else
+		key = NULL;
+
+	if (params->key_mgmt_suite == KEY_MGMT_NONE)
+		assoc_type = 0;
+	else
+		assoc_type = 4;
+
+	wpa_printf(MSG_DEBUG, "OSX: WirelessAssociate(type=%d key=%p)",
+		   assoc_type, key);
+	err = WirelessAssociate(drv->wireless_ctx, assoc_type, ssid, key);
+	CFRelease(ssid);
+	if (key)
+		CFRelease(key);
+	if (err) {
+		wpa_printf(MSG_DEBUG, "OSX: WirelessAssociate failed: 0x%08x",
+			   (unsigned int) err);
+		return -1;
+	}
+
+	/*
+	 * Driver is actually already associated; report association from an
+	 * eloop callback.
+	 */
+	eloop_cancel_timeout(wpa_driver_osx_assoc_timeout, drv, drv->ctx);
+	eloop_register_timeout(0, 0, wpa_driver_osx_assoc_timeout, drv,
+			       drv->ctx);
+
+	return 0;
+}
+
+
+static int wpa_driver_osx_set_key(const char *ifname, void *priv,
+				  enum wpa_alg alg, const u8 *addr,
+				  int key_idx, int set_tx, const u8 *seq,
+				  size_t seq_len, const u8 *key,
+				  size_t key_len)
+{
+	struct wpa_driver_osx_data *drv = priv;
+	WirelessError err;
+
+	if (alg == WPA_ALG_WEP) {
+		err = WirelessSetKey(drv->wireless_ctx, 1, key_idx, key_len,
+				     key);
+		if (err != 0) {
+			wpa_printf(MSG_DEBUG, "OSX: WirelessSetKey failed: "
+				   "0x%08x", (unsigned int) err);
+			return -1;
+		}
+
+		return 0;
+	}
+
+	if (alg == WPA_ALG_PMK) {
+		err = WirelessSetWPAKey(drv->wireless_ctx, 1, key_len, key);
+		if (err != 0) {
+			wpa_printf(MSG_DEBUG, "OSX: WirelessSetWPAKey failed: "
+				   "0x%08x", (unsigned int) err);
+			return -1;
+		}
+		return 0;
+	}
+
+	wpa_printf(MSG_DEBUG, "OSX: Unsupported set_key alg %d", alg);
+	return -1;
+}
+
+
+static int wpa_driver_osx_get_capa(void *priv, struct wpa_driver_capa *capa)
+{
+	os_memset(capa, 0, sizeof(*capa));
+
+	capa->key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
+		WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
+		WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
+		WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
+	capa->enc = WPA_DRIVER_CAPA_ENC_WEP40 | WPA_DRIVER_CAPA_ENC_WEP104 |
+		WPA_DRIVER_CAPA_ENC_TKIP | WPA_DRIVER_CAPA_ENC_CCMP;
+	capa->auth = WPA_DRIVER_AUTH_OPEN | WPA_DRIVER_AUTH_SHARED |
+		WPA_DRIVER_AUTH_LEAP;
+	capa->flags = WPA_DRIVER_FLAGS_4WAY_HANDSHAKE;
+
+	return 0;
+}
+
+
+static void * wpa_driver_osx_init(void *ctx, const char *ifname)
+{
+	struct wpa_driver_osx_data *drv;
+	WirelessError err;
+	u8 enabled, power;
+
+	if (!WirelessIsAvailable()) {
+		wpa_printf(MSG_ERROR, "OSX: No wireless interface available");
+		return NULL;
+	}
+
+	drv = os_zalloc(sizeof(*drv));
+	if (drv == NULL)
+		return NULL;
+	drv->ctx = ctx;
+	err = WirelessAttach(&drv->wireless_ctx, 0);
+	if (err) {
+		wpa_printf(MSG_ERROR, "OSX: WirelessAttach failed: %d",
+			   (int) err);
+		os_free(drv);
+		return NULL;
+	}
+
+	err = WirelessGetEnabled(drv->wireless_ctx, &enabled);
+	if (err)
+		wpa_printf(MSG_DEBUG, "OSX: WirelessGetEnabled failed: 0x%08x",
+			   (unsigned int) err);
+	err = WirelessGetPower(drv->wireless_ctx, &power);
+	if (err)
+		wpa_printf(MSG_DEBUG, "OSX: WirelessGetPower failed: 0x%08x",
+			   (unsigned int) err);
+
+	wpa_printf(MSG_DEBUG, "OSX: Enabled=%d Power=%d", enabled, power);
+
+	if (!enabled) {
+		err = WirelessSetEnabled(drv->wireless_ctx, 1);
+		if (err) {
+			wpa_printf(MSG_DEBUG, "OSX: WirelessSetEnabled failed:"
+				   " 0x%08x", (unsigned int) err);
+			WirelessDetach(drv->wireless_ctx);
+			os_free(drv);
+			return NULL;
+		}
+	}
+
+	if (!power) {
+		err = WirelessSetPower(drv->wireless_ctx, 1);
+		if (err) {
+			wpa_printf(MSG_DEBUG, "OSX: WirelessSetPower failed: "
+				   "0x%08x", (unsigned int) err);
+			WirelessDetach(drv->wireless_ctx);
+			os_free(drv);
+			return NULL;
+		}
+	}
+
+	return drv;
+}
+
+
+static void wpa_driver_osx_deinit(void *priv)
+{
+	struct wpa_driver_osx_data *drv = priv;
+	WirelessError err;
+
+	eloop_cancel_timeout(wpa_driver_osx_scan_timeout, drv, drv->ctx);
+	eloop_cancel_timeout(wpa_driver_osx_assoc_timeout, drv, drv->ctx);
+
+	err = WirelessSetPower(drv->wireless_ctx, 0);
+	if (err) {
+		wpa_printf(MSG_DEBUG, "OSX: WirelessSetPower(0) failed: "
+			   "0x%08x", (unsigned int) err);
+	}
+
+	err = WirelessDetach(drv->wireless_ctx);
+	if (err) {
+		wpa_printf(MSG_DEBUG, "OSX: WirelessDetach failed: 0x%08x",
+			   (unsigned int) err);
+	}
+
+	if (drv->scan_results)
+		CFRelease(drv->scan_results);
+
+	os_free(drv);
+}
+
+
+const struct wpa_driver_ops wpa_driver_osx_ops = {
+	.name = "osx",
+	.desc = "Mac OS X Apple80211 driver",
+	.get_ssid = wpa_driver_osx_get_ssid,
+	.get_bssid = wpa_driver_osx_get_bssid,
+	.init = wpa_driver_osx_init,
+	.deinit = wpa_driver_osx_deinit,
+	.scan2 = wpa_driver_osx_scan,
+	.get_scan_results2 = wpa_driver_osx_get_scan_results,
+	.associate = wpa_driver_osx_associate,
+	.set_key = wpa_driver_osx_set_key,
+	.get_capa = wpa_driver_osx_get_capa,
+};
diff --git a/src/drivers/driver_privsep.c b/src/drivers/driver_privsep.c
new file mode 100644
index 0000000..2848521
--- /dev/null
+++ b/src/drivers/driver_privsep.c
@@ -0,0 +1,758 @@
+/*
+ * WPA Supplicant - privilege separated driver interface
+ * Copyright (c) 2007-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <sys/un.h>
+
+#include "common.h"
+#include "driver.h"
+#include "eloop.h"
+#include "common/privsep_commands.h"
+
+
+struct wpa_driver_privsep_data {
+	void *ctx;
+	u8 own_addr[ETH_ALEN];
+	int priv_socket;
+	char *own_socket_path;
+	int cmd_socket;
+	char *own_cmd_path;
+	struct sockaddr_un priv_addr;
+	char ifname[16];
+};
+
+
+static int wpa_priv_reg_cmd(struct wpa_driver_privsep_data *drv, int cmd)
+{
+	int res;
+
+	res = sendto(drv->priv_socket, &cmd, sizeof(cmd), 0,
+		     (struct sockaddr *) &drv->priv_addr,
+		     sizeof(drv->priv_addr));
+	if (res < 0)
+		perror("sendto");
+	return res < 0 ? -1 : 0;
+}
+
+
+static int wpa_priv_cmd(struct wpa_driver_privsep_data *drv, int cmd,
+			const void *data, size_t data_len,
+			void *reply, size_t *reply_len)
+{
+	struct msghdr msg;
+	struct iovec io[2];
+
+	io[0].iov_base = &cmd;
+	io[0].iov_len = sizeof(cmd);
+	io[1].iov_base = (u8 *) data;
+	io[1].iov_len = data_len;
+
+	os_memset(&msg, 0, sizeof(msg));
+	msg.msg_iov = io;
+	msg.msg_iovlen = data ? 2 : 1;
+	msg.msg_name = &drv->priv_addr;
+	msg.msg_namelen = sizeof(drv->priv_addr);
+
+	if (sendmsg(drv->cmd_socket, &msg, 0) < 0) {
+		perror("sendmsg(cmd_socket)");
+		return -1;
+	}
+
+	if (reply) {
+		fd_set rfds;
+		struct timeval tv;
+		int res;
+
+		FD_ZERO(&rfds);
+		FD_SET(drv->cmd_socket, &rfds);
+		tv.tv_sec = 5;
+		tv.tv_usec = 0;
+		res = select(drv->cmd_socket + 1, &rfds, NULL, NULL, &tv);
+		if (res < 0 && errno != EINTR) {
+			perror("select");
+			return -1;
+		}
+
+		if (FD_ISSET(drv->cmd_socket, &rfds)) {
+			res = recv(drv->cmd_socket, reply, *reply_len, 0);
+			if (res < 0) {
+				perror("recv");
+				return -1;
+			}
+			*reply_len = res;
+		} else {
+			wpa_printf(MSG_DEBUG, "PRIVSEP: Timeout while waiting "
+				   "for reply (cmd=%d)", cmd);
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+			     
+static int wpa_driver_privsep_scan(void *priv,
+				   struct wpa_driver_scan_params *params)
+{
+	struct wpa_driver_privsep_data *drv = priv;
+	const u8 *ssid = params->ssids[0].ssid;
+	size_t ssid_len = params->ssids[0].ssid_len;
+	wpa_printf(MSG_DEBUG, "%s: priv=%p", __func__, priv);
+	return wpa_priv_cmd(drv, PRIVSEP_CMD_SCAN, ssid, ssid_len,
+			    NULL, NULL);
+}
+
+
+static struct wpa_scan_results *
+wpa_driver_privsep_get_scan_results2(void *priv)
+{
+	struct wpa_driver_privsep_data *drv = priv;
+	int res, num;
+	u8 *buf, *pos, *end;
+	size_t reply_len = 60000;
+	struct wpa_scan_results *results;
+	struct wpa_scan_res *r;
+
+	buf = os_malloc(reply_len);
+	if (buf == NULL)
+		return NULL;
+	res = wpa_priv_cmd(drv, PRIVSEP_CMD_GET_SCAN_RESULTS,
+			   NULL, 0, buf, &reply_len);
+	if (res < 0) {
+		os_free(buf);
+		return NULL;
+	}
+
+	wpa_printf(MSG_DEBUG, "privsep: Received %lu bytes of scan results",
+		   (unsigned long) reply_len);
+	if (reply_len < sizeof(int)) {
+		wpa_printf(MSG_DEBUG, "privsep: Invalid scan result len %lu",
+			   (unsigned long) reply_len);
+		os_free(buf);
+		return NULL;
+	}
+
+	pos = buf;
+	end = buf + reply_len;
+	os_memcpy(&num, pos, sizeof(int));
+	if (num < 0 || num > 1000) {
+		os_free(buf);
+		return NULL;
+	}
+	pos += sizeof(int);
+
+	results = os_zalloc(sizeof(*results));
+	if (results == NULL) {
+		os_free(buf);
+		return NULL;
+	}
+
+	results->res = os_zalloc(num * sizeof(struct wpa_scan_res *));
+	if (results->res == NULL) {
+		os_free(results);
+		os_free(buf);
+		return NULL;
+	}
+
+	while (results->num < (size_t) num && pos + sizeof(int) < end) {
+		int len;
+		os_memcpy(&len, pos, sizeof(int));
+		pos += sizeof(int);
+		if (len < 0 || len > 10000 || pos + len > end)
+			break;
+
+		r = os_malloc(len);
+		if (r == NULL)
+			break;
+		os_memcpy(r, pos, len);
+		pos += len;
+		if (sizeof(*r) + r->ie_len > (size_t) len) {
+			os_free(r);
+			break;
+		}
+
+		results->res[results->num++] = r;
+	}
+
+	os_free(buf);
+	return results;
+}
+
+
+static int wpa_driver_privsep_set_key(const char *ifname, void *priv,
+				      enum wpa_alg alg, const u8 *addr,
+				      int key_idx, int set_tx,
+				      const u8 *seq, size_t seq_len,
+				      const u8 *key, size_t key_len)
+{
+	struct wpa_driver_privsep_data *drv = priv;
+	struct privsep_cmd_set_key cmd;
+
+	wpa_printf(MSG_DEBUG, "%s: priv=%p alg=%d key_idx=%d set_tx=%d",
+		   __func__, priv, alg, key_idx, set_tx);
+
+	os_memset(&cmd, 0, sizeof(cmd));
+	cmd.alg = alg;
+	if (addr)
+		os_memcpy(cmd.addr, addr, ETH_ALEN);
+	else
+		os_memset(cmd.addr, 0xff, ETH_ALEN);
+	cmd.key_idx = key_idx;
+	cmd.set_tx = set_tx;
+	if (seq && seq_len > 0 && seq_len < sizeof(cmd.seq)) {
+		os_memcpy(cmd.seq, seq, seq_len);
+		cmd.seq_len = seq_len;
+	}
+	if (key && key_len > 0 && key_len < sizeof(cmd.key)) {
+		os_memcpy(cmd.key, key, key_len);
+		cmd.key_len = key_len;
+	}
+
+	return wpa_priv_cmd(drv, PRIVSEP_CMD_SET_KEY, &cmd, sizeof(cmd),
+			    NULL, NULL);
+}
+
+
+static int wpa_driver_privsep_associate(
+	void *priv, struct wpa_driver_associate_params *params)
+{
+	struct wpa_driver_privsep_data *drv = priv;
+	struct privsep_cmd_associate *data;
+	int res;
+	size_t buflen;
+
+	wpa_printf(MSG_DEBUG, "%s: priv=%p freq=%d pairwise_suite=%d "
+		   "group_suite=%d key_mgmt_suite=%d auth_alg=%d mode=%d",
+		   __func__, priv, params->freq, params->pairwise_suite,
+		   params->group_suite, params->key_mgmt_suite,
+		   params->auth_alg, params->mode);
+
+	buflen = sizeof(*data) + params->wpa_ie_len;
+	data = os_zalloc(buflen);
+	if (data == NULL)
+		return -1;
+
+	if (params->bssid)
+		os_memcpy(data->bssid, params->bssid, ETH_ALEN);
+	os_memcpy(data->ssid, params->ssid, params->ssid_len);
+	data->ssid_len = params->ssid_len;
+	data->freq = params->freq;
+	data->pairwise_suite = params->pairwise_suite;
+	data->group_suite = params->group_suite;
+	data->key_mgmt_suite = params->key_mgmt_suite;
+	data->auth_alg = params->auth_alg;
+	data->mode = params->mode;
+	data->wpa_ie_len = params->wpa_ie_len;
+	if (params->wpa_ie)
+		os_memcpy(data + 1, params->wpa_ie, params->wpa_ie_len);
+	/* TODO: add support for other assoc parameters */
+
+	res = wpa_priv_cmd(drv, PRIVSEP_CMD_ASSOCIATE, data, buflen,
+			   NULL, NULL);
+	os_free(data);
+
+	return res;
+}
+
+
+static int wpa_driver_privsep_get_bssid(void *priv, u8 *bssid)
+{
+	struct wpa_driver_privsep_data *drv = priv;
+	int res;
+	size_t len = ETH_ALEN;
+
+	res = wpa_priv_cmd(drv, PRIVSEP_CMD_GET_BSSID, NULL, 0, bssid, &len);
+	if (res < 0 || len != ETH_ALEN)
+		return -1;
+	return 0;
+}
+
+
+static int wpa_driver_privsep_get_ssid(void *priv, u8 *ssid)
+{
+	struct wpa_driver_privsep_data *drv = priv;
+	int res, ssid_len;
+	u8 reply[sizeof(int) + 32];
+	size_t len = sizeof(reply);
+
+	res = wpa_priv_cmd(drv, PRIVSEP_CMD_GET_SSID, NULL, 0, reply, &len);
+	if (res < 0 || len < sizeof(int))
+		return -1;
+	os_memcpy(&ssid_len, reply, sizeof(int));
+	if (ssid_len < 0 || ssid_len > 32 || sizeof(int) + ssid_len > len) {
+		wpa_printf(MSG_DEBUG, "privsep: Invalid get SSID reply");
+		return -1;
+	}
+	os_memcpy(ssid, &reply[sizeof(int)], ssid_len);
+	return ssid_len;
+}
+
+
+static int wpa_driver_privsep_deauthenticate(void *priv, const u8 *addr,
+					  int reason_code)
+{
+	//struct wpa_driver_privsep_data *drv = priv;
+	wpa_printf(MSG_DEBUG, "%s addr=" MACSTR " reason_code=%d",
+		   __func__, MAC2STR(addr), reason_code);
+	wpa_printf(MSG_DEBUG, "%s - TODO", __func__);
+	return 0;
+}
+
+
+static int wpa_driver_privsep_disassociate(void *priv, const u8 *addr,
+					int reason_code)
+{
+	//struct wpa_driver_privsep_data *drv = priv;
+	wpa_printf(MSG_DEBUG, "%s addr=" MACSTR " reason_code=%d",
+		   __func__, MAC2STR(addr), reason_code);
+	wpa_printf(MSG_DEBUG, "%s - TODO", __func__);
+	return 0;
+}
+
+
+static void wpa_driver_privsep_event_assoc(void *ctx,
+					   enum wpa_event_type event,
+					   u8 *buf, size_t len)
+{
+	union wpa_event_data data;
+	int inc_data = 0;
+	u8 *pos, *end;
+	int ie_len;
+
+	os_memset(&data, 0, sizeof(data));
+
+	pos = buf;
+	end = buf + len;
+
+	if (end - pos < (int) sizeof(int))
+		return;
+	os_memcpy(&ie_len, pos, sizeof(int));
+	pos += sizeof(int);
+	if (ie_len < 0 || ie_len > end - pos)
+		return;
+	if (ie_len) {
+		data.assoc_info.req_ies = pos;
+		data.assoc_info.req_ies_len = ie_len;
+		pos += ie_len;
+		inc_data = 1;
+	}
+
+	wpa_supplicant_event(ctx, event, inc_data ? &data : NULL);
+}
+
+
+static void wpa_driver_privsep_event_interface_status(void *ctx, u8 *buf,
+						      size_t len)
+{
+	union wpa_event_data data;
+	int ievent;
+
+	if (len < sizeof(int) ||
+	    len - sizeof(int) > sizeof(data.interface_status.ifname))
+		return;
+
+	os_memcpy(&ievent, buf, sizeof(int));
+
+	os_memset(&data, 0, sizeof(data));
+	data.interface_status.ievent = ievent;
+	os_memcpy(data.interface_status.ifname, buf + sizeof(int),
+		  len - sizeof(int));
+	wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &data);
+}
+
+
+static void wpa_driver_privsep_event_michael_mic_failure(
+	void *ctx, u8 *buf, size_t len)
+{
+	union wpa_event_data data;
+
+	if (len != sizeof(int))
+		return;
+
+	os_memset(&data, 0, sizeof(data));
+	os_memcpy(&data.michael_mic_failure.unicast, buf, sizeof(int));
+	wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
+}
+
+
+static void wpa_driver_privsep_event_pmkid_candidate(void *ctx, u8 *buf,
+						     size_t len)
+{
+	union wpa_event_data data;
+
+	if (len != sizeof(struct pmkid_candidate))
+		return;
+
+	os_memset(&data, 0, sizeof(data));
+	os_memcpy(&data.pmkid_candidate, buf, len);
+	wpa_supplicant_event(ctx, EVENT_PMKID_CANDIDATE, &data);
+}
+
+
+static void wpa_driver_privsep_event_stkstart(void *ctx, u8 *buf, size_t len)
+{
+	union wpa_event_data data;
+
+	if (len != ETH_ALEN)
+		return;
+
+	os_memset(&data, 0, sizeof(data));
+	os_memcpy(data.stkstart.peer, buf, ETH_ALEN);
+	wpa_supplicant_event(ctx, EVENT_STKSTART, &data);
+}
+
+
+static void wpa_driver_privsep_event_ft_response(void *ctx, u8 *buf,
+						 size_t len)
+{
+	union wpa_event_data data;
+
+	if (len < sizeof(int) + ETH_ALEN)
+		return;
+
+	os_memset(&data, 0, sizeof(data));
+	os_memcpy(&data.ft_ies.ft_action, buf, sizeof(int));
+	os_memcpy(data.ft_ies.target_ap, buf + sizeof(int), ETH_ALEN);
+	data.ft_ies.ies = buf + sizeof(int) + ETH_ALEN;
+	data.ft_ies.ies_len = len - sizeof(int) - ETH_ALEN;
+	wpa_supplicant_event(ctx, EVENT_FT_RESPONSE, &data);
+}
+
+
+static void wpa_driver_privsep_event_rx_eapol(void *ctx, u8 *buf, size_t len)
+{
+	if (len < ETH_ALEN)
+		return;
+	drv_event_eapol_rx(ctx, buf, buf + ETH_ALEN, len - ETH_ALEN);
+}
+
+
+static void wpa_driver_privsep_receive(int sock, void *eloop_ctx,
+				       void *sock_ctx)
+{
+	struct wpa_driver_privsep_data *drv = eloop_ctx;
+	u8 *buf, *event_buf;
+	size_t event_len;
+	int res, event;
+	enum privsep_event e;
+	struct sockaddr_un from;
+	socklen_t fromlen = sizeof(from);
+	const size_t buflen = 2000;
+
+	buf = os_malloc(buflen);
+	if (buf == NULL)
+		return;
+	res = recvfrom(sock, buf, buflen, 0,
+		       (struct sockaddr *) &from, &fromlen);
+	if (res < 0) {
+		perror("recvfrom(priv_socket)");
+		os_free(buf);
+		return;
+	}
+
+	wpa_printf(MSG_DEBUG, "privsep_driver: received %u bytes", res);
+
+	if (res < (int) sizeof(int)) {
+		wpa_printf(MSG_DEBUG, "Too short event message (len=%d)", res);
+		return;
+	}
+
+	os_memcpy(&event, buf, sizeof(int));
+	event_buf = &buf[sizeof(int)];
+	event_len = res - sizeof(int);
+	wpa_printf(MSG_DEBUG, "privsep: Event %d received (len=%lu)",
+		   event, (unsigned long) event_len);
+
+	e = event;
+	switch (e) {
+	case PRIVSEP_EVENT_SCAN_RESULTS:
+		wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, NULL);
+		break;
+	case PRIVSEP_EVENT_ASSOC:
+		wpa_driver_privsep_event_assoc(drv->ctx, EVENT_ASSOC,
+					       event_buf, event_len);
+		break;
+	case PRIVSEP_EVENT_DISASSOC:
+		wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
+		break;
+	case PRIVSEP_EVENT_ASSOCINFO:
+		wpa_driver_privsep_event_assoc(drv->ctx, EVENT_ASSOCINFO,
+					       event_buf, event_len);
+		break;
+	case PRIVSEP_EVENT_MICHAEL_MIC_FAILURE:
+		wpa_driver_privsep_event_michael_mic_failure(
+			drv->ctx, event_buf, event_len);
+		break;
+	case PRIVSEP_EVENT_INTERFACE_STATUS:
+		wpa_driver_privsep_event_interface_status(drv->ctx, event_buf,
+							  event_len);
+		break;
+	case PRIVSEP_EVENT_PMKID_CANDIDATE:
+		wpa_driver_privsep_event_pmkid_candidate(drv->ctx, event_buf,
+							 event_len);
+		break;
+	case PRIVSEP_EVENT_STKSTART:
+		wpa_driver_privsep_event_stkstart(drv->ctx, event_buf,
+						  event_len);
+		break;
+	case PRIVSEP_EVENT_FT_RESPONSE:
+		wpa_driver_privsep_event_ft_response(drv->ctx, event_buf,
+						     event_len);
+		break;
+	case PRIVSEP_EVENT_RX_EAPOL:
+		wpa_driver_privsep_event_rx_eapol(drv->ctx, event_buf,
+						  event_len);
+		break;
+	}
+
+	os_free(buf);
+}
+
+
+static void * wpa_driver_privsep_init(void *ctx, const char *ifname)
+{
+	struct wpa_driver_privsep_data *drv;
+
+	drv = os_zalloc(sizeof(*drv));
+	if (drv == NULL)
+		return NULL;
+	drv->ctx = ctx;
+	drv->priv_socket = -1;
+	drv->cmd_socket = -1;
+	os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
+
+	return drv;
+}
+
+
+static void wpa_driver_privsep_deinit(void *priv)
+{
+	struct wpa_driver_privsep_data *drv = priv;
+
+	if (drv->priv_socket >= 0) {
+		wpa_priv_reg_cmd(drv, PRIVSEP_CMD_UNREGISTER);
+		eloop_unregister_read_sock(drv->priv_socket);
+		close(drv->priv_socket);
+	}
+
+	if (drv->own_socket_path) {
+		unlink(drv->own_socket_path);
+		os_free(drv->own_socket_path);
+	}
+
+	if (drv->cmd_socket >= 0) {
+		eloop_unregister_read_sock(drv->cmd_socket);
+		close(drv->cmd_socket);
+	}
+
+	if (drv->own_cmd_path) {
+		unlink(drv->own_cmd_path);
+		os_free(drv->own_cmd_path);
+	}
+
+	os_free(drv);
+}
+
+
+static int wpa_driver_privsep_set_param(void *priv, const char *param)
+{
+	struct wpa_driver_privsep_data *drv = priv;
+	const char *pos;
+	char *own_dir, *priv_dir;
+	static unsigned int counter = 0;
+	size_t len;
+	struct sockaddr_un addr;
+
+	wpa_printf(MSG_DEBUG, "%s: param='%s'", __func__, param);
+	if (param == NULL)
+		pos = NULL;
+	else
+		pos = os_strstr(param, "own_dir=");
+	if (pos) {
+		char *end;
+		own_dir = os_strdup(pos + 8);
+		if (own_dir == NULL)
+			return -1;
+		end = os_strchr(own_dir, ' ');
+		if (end)
+			*end = '\0';
+	} else {
+		own_dir = os_strdup("/tmp");
+		if (own_dir == NULL)
+			return -1;
+	}
+
+	if (param == NULL)
+		pos = NULL;
+	else
+		pos = os_strstr(param, "priv_dir=");
+	if (pos) {
+		char *end;
+		priv_dir = os_strdup(pos + 9);
+		if (priv_dir == NULL) {
+			os_free(own_dir);
+			return -1;
+		}
+		end = os_strchr(priv_dir, ' ');
+		if (end)
+			*end = '\0';
+	} else {
+		priv_dir = os_strdup("/var/run/wpa_priv");
+		if (priv_dir == NULL) {
+			os_free(own_dir);
+			return -1;
+		}
+	}
+
+	len = os_strlen(own_dir) + 50;
+	drv->own_socket_path = os_malloc(len);
+	if (drv->own_socket_path == NULL) {
+		os_free(priv_dir);
+		os_free(own_dir);
+		return -1;
+	}
+	os_snprintf(drv->own_socket_path, len, "%s/wpa_privsep-%d-%d",
+		    own_dir, getpid(), counter++);
+
+	len = os_strlen(own_dir) + 50;
+	drv->own_cmd_path = os_malloc(len);
+	if (drv->own_cmd_path == NULL) {
+		os_free(drv->own_socket_path);
+		drv->own_socket_path = NULL;
+		os_free(priv_dir);
+		os_free(own_dir);
+		return -1;
+	}
+	os_snprintf(drv->own_cmd_path, len, "%s/wpa_privsep-%d-%d",
+		    own_dir, getpid(), counter++);
+
+	os_free(own_dir);
+
+	drv->priv_addr.sun_family = AF_UNIX;
+	os_snprintf(drv->priv_addr.sun_path, sizeof(drv->priv_addr.sun_path),
+		    "%s/%s", priv_dir, drv->ifname);
+	os_free(priv_dir);
+
+	drv->priv_socket = socket(PF_UNIX, SOCK_DGRAM, 0);
+	if (drv->priv_socket < 0) {
+		perror("socket(PF_UNIX)");
+		os_free(drv->own_socket_path);
+		drv->own_socket_path = NULL;
+		return -1;
+	}
+
+	os_memset(&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+	os_strlcpy(addr.sun_path, drv->own_socket_path, sizeof(addr.sun_path));
+	if (bind(drv->priv_socket, (struct sockaddr *) &addr, sizeof(addr)) <
+	    0) {
+		perror("bind(PF_UNIX)");
+		close(drv->priv_socket);
+		drv->priv_socket = -1;
+		unlink(drv->own_socket_path);
+		os_free(drv->own_socket_path);
+		drv->own_socket_path = NULL;
+		return -1;
+	}
+
+	eloop_register_read_sock(drv->priv_socket, wpa_driver_privsep_receive,
+				 drv, NULL);
+
+	drv->cmd_socket = socket(PF_UNIX, SOCK_DGRAM, 0);
+	if (drv->cmd_socket < 0) {
+		perror("socket(PF_UNIX)");
+		os_free(drv->own_cmd_path);
+		drv->own_cmd_path = NULL;
+		return -1;
+	}
+
+	os_memset(&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+	os_strlcpy(addr.sun_path, drv->own_cmd_path, sizeof(addr.sun_path));
+	if (bind(drv->cmd_socket, (struct sockaddr *) &addr, sizeof(addr)) < 0)
+	{
+		perror("bind(PF_UNIX)");
+		close(drv->cmd_socket);
+		drv->cmd_socket = -1;
+		unlink(drv->own_cmd_path);
+		os_free(drv->own_cmd_path);
+		drv->own_cmd_path = NULL;
+		return -1;
+	}
+
+	if (wpa_priv_reg_cmd(drv, PRIVSEP_CMD_REGISTER) < 0) {
+		wpa_printf(MSG_ERROR, "Failed to register with wpa_priv");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int wpa_driver_privsep_get_capa(void *priv,
+				       struct wpa_driver_capa *capa)
+{
+	struct wpa_driver_privsep_data *drv = priv;
+	int res;
+	size_t len = sizeof(*capa);
+
+	res = wpa_priv_cmd(drv, PRIVSEP_CMD_GET_CAPA, NULL, 0, capa, &len);
+	if (res < 0 || len != sizeof(*capa))
+		return -1;
+	return 0;
+}
+
+
+static const u8 * wpa_driver_privsep_get_mac_addr(void *priv)
+{
+	struct wpa_driver_privsep_data *drv = priv;
+	wpa_printf(MSG_DEBUG, "%s", __func__);
+	return drv->own_addr;
+}
+
+
+static int wpa_driver_privsep_set_country(void *priv, const char *alpha2)
+{
+	struct wpa_driver_privsep_data *drv = priv;
+	wpa_printf(MSG_DEBUG, "%s country='%s'", __func__, alpha2);
+	return wpa_priv_cmd(drv, PRIVSEP_CMD_SET_COUNTRY, alpha2,
+			    os_strlen(alpha2), NULL, NULL);
+}
+
+
+struct wpa_driver_ops wpa_driver_privsep_ops = {
+	"privsep",
+	"wpa_supplicant privilege separated driver",
+	.get_bssid = wpa_driver_privsep_get_bssid,
+	.get_ssid = wpa_driver_privsep_get_ssid,
+	.set_key = wpa_driver_privsep_set_key,
+	.init = wpa_driver_privsep_init,
+	.deinit = wpa_driver_privsep_deinit,
+	.set_param = wpa_driver_privsep_set_param,
+	.scan2 = wpa_driver_privsep_scan,
+	.deauthenticate = wpa_driver_privsep_deauthenticate,
+	.disassociate = wpa_driver_privsep_disassociate,
+	.associate = wpa_driver_privsep_associate,
+	.get_capa = wpa_driver_privsep_get_capa,
+	.get_mac_addr = wpa_driver_privsep_get_mac_addr,
+	.get_scan_results2 = wpa_driver_privsep_get_scan_results2,
+	.set_country = wpa_driver_privsep_set_country,
+};
+
+
+struct wpa_driver_ops *wpa_drivers[] =
+{
+	&wpa_driver_privsep_ops,
+	NULL
+};
diff --git a/src/drivers/driver_ralink.c b/src/drivers/driver_ralink.c
new file mode 100644
index 0000000..a1e27be
--- /dev/null
+++ b/src/drivers/driver_ralink.c
@@ -0,0 +1,1498 @@
+/*
+ * WPA Supplicant - driver interaction with Ralink Wireless Client
+ * Copyright (c) 2003-2006, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2007, Snowpin Lee <snowpin_lee@ralinktech.com.tw>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ */
+
+#include "includes.h"
+#include <sys/ioctl.h>
+
+#include "wireless_copy.h"
+#include "common.h"
+#include "driver.h"
+#include "l2_packet/l2_packet.h"
+#include "eloop.h"
+#include "common/ieee802_11_defs.h"
+#include "priv_netlink.h"
+#include "netlink.h"
+#include "linux_ioctl.h"
+#include "driver_ralink.h"
+
+static void wpa_driver_ralink_scan_timeout(void *eloop_ctx, void *timeout_ctx);
+
+#define MAX_SSID_LEN 32
+
+struct wpa_driver_ralink_data {
+	void *ctx;
+	int ioctl_sock;
+	struct netlink_data *netlink;
+	char ifname[IFNAMSIZ + 1];
+	u8 *assoc_req_ies;
+	size_t assoc_req_ies_len;
+	u8 *assoc_resp_ies;
+	size_t assoc_resp_ies_len;
+	int no_of_pmkid;
+	struct ndis_pmkid_entry *pmkid;
+	int we_version_compiled;
+	int ap_scan;
+	int scanning_done;
+	u8 g_driver_down;
+	BOOLEAN	bAddWepKey;
+};
+
+static int ralink_set_oid(struct wpa_driver_ralink_data *drv,
+			  unsigned short oid, char *data, int len)
+{
+	char *buf;
+	struct iwreq iwr;
+
+	buf = os_zalloc(len);
+	if (buf == NULL)
+		return -1;
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	iwr.u.data.flags = oid;
+	iwr.u.data.flags |= OID_GET_SET_TOGGLE;
+
+	if (data)
+		os_memcpy(buf, data, len);
+
+	iwr.u.data.pointer = (caddr_t) buf;
+	iwr.u.data.length = len;
+
+	if (ioctl(drv->ioctl_sock, RT_PRIV_IOCTL, &iwr) < 0) {
+		wpa_printf(MSG_DEBUG, "%s: oid=0x%x len (%d) failed",
+			   __func__, oid, len);
+		os_free(buf);
+		return -1;
+	}
+	os_free(buf);
+	return 0;
+}
+
+static int
+ralink_get_new_driver_flag(struct wpa_driver_ralink_data *drv)
+{
+	struct iwreq iwr;
+	UCHAR enabled = 0;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	iwr.u.data.pointer = (UCHAR*) &enabled;
+	iwr.u.data.flags = RT_OID_NEW_DRIVER;
+
+	if (ioctl(drv->ioctl_sock, RT_PRIV_IOCTL, &iwr) < 0) {
+		wpa_printf(MSG_DEBUG, "%s: failed", __func__);
+		return 0;
+	}
+
+	return (enabled == 1) ? 1 : 0;
+}
+
+static int wpa_driver_ralink_get_bssid(void *priv, u8 *bssid)
+{
+	struct wpa_driver_ralink_data *drv = priv;
+	struct iwreq iwr;
+	int ret = 0;
+
+	if (drv->g_driver_down == 1)
+		return -1;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+
+	if (ioctl(drv->ioctl_sock, SIOCGIWAP, &iwr) < 0) {
+		perror("ioctl[SIOCGIWAP]");
+		ret = -1;
+	}
+	os_memcpy(bssid, iwr.u.ap_addr.sa_data, ETH_ALEN);
+
+	return ret;
+}
+
+static int wpa_driver_ralink_get_ssid(void *priv, u8 *ssid)
+{
+	struct wpa_driver_ralink_data *drv = priv;
+#if 0
+	struct wpa_supplicant *wpa_s = drv->ctx;
+	struct wpa_ssid *entry;
+#endif
+	int ssid_len;
+	u8 bssid[ETH_ALEN];
+	u8 ssid_str[MAX_SSID_LEN];
+	struct iwreq iwr;
+#if 0
+	int result = 0;
+#endif
+	int ret = 0;
+#if 0
+	BOOLEAN	ieee8021x_mode = FALSE;
+	BOOLEAN ieee8021x_required_key = FALSE;
+#endif
+
+	if (drv->g_driver_down == 1)
+		return -1;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	iwr.u.essid.pointer = (caddr_t) ssid;
+	iwr.u.essid.length = 32;
+
+	if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
+		perror("ioctl[SIOCGIWESSID]");
+		ret = -1;
+	} else
+		ret = iwr.u.essid.length;
+
+	if (ret <= 0)
+		return ret;
+
+	ssid_len = ret;
+	os_memset(ssid_str, 0, MAX_SSID_LEN);
+	os_memcpy(ssid_str, ssid, ssid_len);
+
+	if (drv->ap_scan == 0) {
+		/* Read BSSID form driver */
+		if (wpa_driver_ralink_get_bssid(priv, bssid) < 0) {
+			wpa_printf(MSG_WARNING, "Could not read BSSID from "
+				   "driver.");
+			return ret;
+		}
+
+#if 0
+		entry = wpa_s->conf->ssid;
+		while (entry) {
+			if (!entry->disabled && ssid_len == entry->ssid_len &&
+			    os_memcmp(ssid_str, entry->ssid, ssid_len) == 0 &&
+			    (!entry->bssid_set ||
+			     os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0)) {
+				/* match the config of driver */
+				result = 1;
+				break;
+			}
+			entry = entry->next;
+		}
+
+		if (result) {
+			wpa_printf(MSG_DEBUG, "Ready to set 802.1x mode and "
+				   "ieee_required_keys parameters to driver");
+
+			/* set 802.1x mode and ieee_required_keys parameter */
+			if (entry->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
+				if ((entry->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST | EAPOL_FLAG_REQUIRE_KEY_BROADCAST)))
+						ieee8021x_required_key = TRUE;
+				ieee8021x_mode = TRUE;
+			}
+
+			if (ralink_set_oid(drv, OID_802_11_SET_IEEE8021X, (char *) &ieee8021x_mode, sizeof(BOOLEAN)) < 0)
+			{
+				wpa_printf(MSG_DEBUG, "RALINK: Failed to set OID_802_11_SET_IEEE8021X(%d)", (int) ieee8021x_mode);
+			}
+			else
+			{
+				wpa_printf(MSG_DEBUG, "ieee8021x_mode is %s", ieee8021x_mode ? "TRUE" : "FALSE");
+			}
+
+			if (ralink_set_oid(drv, OID_802_11_SET_IEEE8021X_REQUIRE_KEY, (char *) &ieee8021x_required_key, sizeof(BOOLEAN)) < 0)
+			{
+				wpa_printf(MSG_DEBUG, "ERROR: Failed to set OID_802_11_SET_IEEE8021X_REQUIRE_KEY(%d)", (int) ieee8021x_required_key);
+			}
+			else
+			{
+				wpa_printf(MSG_DEBUG, "ieee8021x_required_key is %s and eapol_flag(%d)", ieee8021x_required_key ? "TRUE" : "FALSE",
+																								entry->eapol_flags);
+			}
+		}
+#endif
+	}
+
+	return ret;
+}
+
+static int wpa_driver_ralink_set_ssid(struct wpa_driver_ralink_data *drv,
+				      const u8 *ssid, size_t ssid_len)
+{
+	NDIS_802_11_SSID *buf;
+	int ret = 0;
+	struct iwreq iwr;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	buf = os_zalloc(sizeof(NDIS_802_11_SSID));
+	if (buf == NULL)
+		return -1;
+	os_memset(buf, 0, sizeof(buf));
+	buf->SsidLength = ssid_len;
+	os_memcpy(buf->Ssid, ssid, ssid_len);
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+
+	iwr.u.data.flags = OID_802_11_SSID;
+	iwr.u.data.flags |= OID_GET_SET_TOGGLE;
+	iwr.u.data.pointer = (caddr_t) buf;
+	iwr.u.data.length = sizeof(NDIS_802_11_SSID);
+
+	if (ioctl(drv->ioctl_sock, RT_PRIV_IOCTL, &iwr) < 0) {
+		perror("ioctl[RT_PRIV_IOCTL] -- OID_802_11_SSID");
+		ret = -1;
+	}
+	os_free(buf);
+	return ret;
+}
+
+static void wpa_driver_ralink_event_pmkid(struct wpa_driver_ralink_data *drv,
+					  const u8 *data, size_t data_len)
+{
+	NDIS_802_11_PMKID_CANDIDATE_LIST *pmkid;
+	size_t i;
+	union wpa_event_data event;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	if (data_len < 8) {
+		wpa_printf(MSG_DEBUG, "RALINK: Too short PMKID Candidate List "
+			   "Event (len=%lu)", (unsigned long) data_len);
+		return;
+	}
+	pmkid = (NDIS_802_11_PMKID_CANDIDATE_LIST *) data;
+	wpa_printf(MSG_DEBUG, "RALINK: PMKID Candidate List Event - Version %d"
+		   " NumCandidates %d",
+		   (int) pmkid->Version, (int) pmkid->NumCandidates);
+
+	if (pmkid->Version != 1) {
+		wpa_printf(MSG_DEBUG, "RALINK: Unsupported PMKID Candidate "
+			   "List Version %d", (int) pmkid->Version);
+		return;
+	}
+
+	if (data_len < 8 + pmkid->NumCandidates * sizeof(PMKID_CANDIDATE)) {
+		wpa_printf(MSG_DEBUG, "RALINK: PMKID Candidate List "
+			   "underflow");
+
+		return;
+	}
+
+
+
+	os_memset(&event, 0, sizeof(event));
+	for (i = 0; i < pmkid->NumCandidates; i++) {
+		PMKID_CANDIDATE *p = &pmkid->CandidateList[i];
+		wpa_printf(MSG_DEBUG, "RALINK: %lu: " MACSTR " Flags 0x%x",
+			   (unsigned long) i, MAC2STR(p->BSSID),
+			   (int) p->Flags);
+		os_memcpy(event.pmkid_candidate.bssid, p->BSSID, ETH_ALEN);
+		event.pmkid_candidate.index = i;
+		event.pmkid_candidate.preauth =
+			p->Flags & NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED;
+		wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE,
+				     &event);
+	}
+}
+
+static int wpa_driver_ralink_set_pmkid(struct wpa_driver_ralink_data *drv)
+{
+	int len, count, i, ret;
+	struct ndis_pmkid_entry *entry;
+	NDIS_802_11_PMKID *p;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	count = 0;
+	entry = drv->pmkid;
+	while (entry) {
+		count++;
+		if (count >= drv->no_of_pmkid)
+			break;
+		entry = entry->next;
+	}
+	len = 8 + count * sizeof(BSSID_INFO);
+	p = os_zalloc(len);
+	if (p == NULL)
+		return -1;
+	p->Length = len;
+	p->BSSIDInfoCount = count;
+	entry = drv->pmkid;
+	for (i = 0; i < count; i++) {
+		os_memcpy(&p->BSSIDInfo[i].BSSID, entry->bssid, ETH_ALEN);
+		os_memcpy(&p->BSSIDInfo[i].PMKID, entry->pmkid, 16);
+		entry = entry->next;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "NDIS: OID_802_11_PMKID",
+		    (const u8 *) p, len);
+	ret = ralink_set_oid(drv, OID_802_11_PMKID, (char *) p, len);
+	os_free(p);
+	return ret;
+}
+
+static int wpa_driver_ralink_add_pmkid(void *priv, const u8 *bssid,
+				       const u8 *pmkid)
+{
+	struct wpa_driver_ralink_data *drv = priv;
+	struct ndis_pmkid_entry *entry, *prev;
+
+	if (drv->g_driver_down == 1)
+		return -1;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	if (drv->no_of_pmkid == 0)
+		return 0;
+
+	prev = NULL;
+	entry = drv->pmkid;
+	while (entry) {
+		if (os_memcmp(entry->bssid, bssid, ETH_ALEN) == 0)
+			break;
+		prev = entry;
+		entry = entry->next;
+	}
+
+	if (entry) {
+		/* Replace existing entry for this BSSID and move it into the
+		 * beginning of the list. */
+		os_memcpy(entry->pmkid, pmkid, 16);
+		if (prev) {
+			prev->next = entry->next;
+			entry->next = drv->pmkid;
+			drv->pmkid = entry;
+		}
+	} else {
+		entry = os_malloc(sizeof(*entry));
+		if (entry) {
+			os_memcpy(entry->bssid, bssid, ETH_ALEN);
+			os_memcpy(entry->pmkid, pmkid, 16);
+			entry->next = drv->pmkid;
+			drv->pmkid = entry;
+		}
+	}
+
+	return wpa_driver_ralink_set_pmkid(drv);
+}
+
+
+static int wpa_driver_ralink_remove_pmkid(void *priv, const u8 *bssid,
+					  const u8 *pmkid)
+{
+	struct wpa_driver_ralink_data *drv = priv;
+	struct ndis_pmkid_entry *entry, *prev;
+
+	if (drv->g_driver_down == 1)
+		return -1;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	if (drv->no_of_pmkid == 0)
+		return 0;
+
+	entry = drv->pmkid;
+	prev = NULL;
+	drv->pmkid = NULL;
+	while (entry) {
+		if (os_memcmp(entry->bssid, bssid, ETH_ALEN) == 0 &&
+		    os_memcmp(entry->pmkid, pmkid, 16) == 0) {
+			if (prev)
+				prev->next = entry->next;
+			else
+				drv->pmkid = entry->next;
+			os_free(entry);
+			break;
+		}
+		prev = entry;
+		entry = entry->next;
+	}
+	return wpa_driver_ralink_set_pmkid(drv);
+}
+
+
+static int wpa_driver_ralink_flush_pmkid(void *priv)
+{
+	struct wpa_driver_ralink_data *drv = priv;
+	NDIS_802_11_PMKID p;
+	struct ndis_pmkid_entry *pmkid, *prev;
+
+	if (drv->g_driver_down == 1)
+		return -1;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	if (drv->no_of_pmkid == 0)
+		return 0;
+
+	pmkid = drv->pmkid;
+	drv->pmkid = NULL;
+	while (pmkid) {
+		prev = pmkid;
+		pmkid = pmkid->next;
+		os_free(prev);
+	}
+
+	os_memset(&p, 0, sizeof(p));
+	p.Length = 8;
+	p.BSSIDInfoCount = 0;
+	wpa_hexdump(MSG_MSGDUMP, "NDIS: OID_802_11_PMKID (flush)",
+		    (const u8 *) &p, 8);
+	return ralink_set_oid(drv, OID_802_11_PMKID, (char *) &p, 8);
+}
+
+static void
+wpa_driver_ralink_event_wireless_custom(struct wpa_driver_ralink_data *drv,
+					void *ctx, char *custom)
+{
+	union wpa_event_data data;
+	u8 *req_ies = NULL, *resp_ies = NULL;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
+
+	os_memset(&data, 0, sizeof(data));
+	/* Host AP driver */
+	if (os_strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
+		/* receive a MICFAILURE report */
+		data.michael_mic_failure.unicast =
+			os_strstr(custom, " unicast") != NULL;
+		/* TODO: parse parameters(?) */
+		wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
+	} else if (os_strncmp(custom, "ASSOCINFO_ReqIEs=", 17) == 0) {
+		/* receive assoc. req. IEs */
+		char *spos;
+		int bytes;
+
+		spos = custom + 17;
+		/*get IE's length */
+		/*
+		 * bytes = strlen(spos); ==> bug, bytes may less than original
+		 * size by using this way to get size. snowpin 20070312
+		 * if (!bytes)
+		 *	return;
+		 */
+		bytes = drv->assoc_req_ies_len;
+
+		req_ies = os_malloc(bytes);
+		if (req_ies == NULL)
+			return;
+		os_memcpy(req_ies, spos, bytes);
+		data.assoc_info.req_ies = req_ies;
+		data.assoc_info.req_ies_len = bytes;
+
+		/* skip the '\0' byte */
+		spos += bytes + 1;
+
+		data.assoc_info.resp_ies = NULL;
+		data.assoc_info.resp_ies_len = 0;
+
+		if (os_strncmp(spos, " RespIEs=", 9) == 0) {
+			/* receive assoc. resp. IEs */
+			spos += 9;
+			/* get IE's length */
+			bytes = os_strlen(spos);
+			if (!bytes)
+				goto done;
+
+			resp_ies = os_malloc(bytes);
+			if (resp_ies == NULL)
+				goto done;
+			os_memcpy(resp_ies, spos, bytes);
+			data.assoc_info.resp_ies = resp_ies;
+			data.assoc_info.resp_ies_len = bytes;
+		}
+
+		wpa_supplicant_event(ctx, EVENT_ASSOCINFO, &data);
+
+	done:
+		/* free allocated memory */
+		os_free(resp_ies);
+		os_free(req_ies);
+	}
+}
+
+static void ralink_interface_up(struct wpa_driver_ralink_data *drv)
+{
+	union wpa_event_data event;
+	int enable_wpa_supplicant = 0;
+	drv->g_driver_down = 0;
+	os_memset(&event, 0, sizeof(event));
+	os_snprintf(event.interface_status.ifname,
+		    sizeof(event.interface_status.ifname), "%s", drv->ifname);
+
+	event.interface_status.ievent = EVENT_INTERFACE_ADDED;
+	wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
+
+	if (drv->ap_scan == 1)
+		enable_wpa_supplicant = 1;
+	else
+		enable_wpa_supplicant = 2;
+	/* trigger driver support wpa_supplicant */
+	if (ralink_set_oid(drv, RT_OID_WPA_SUPPLICANT_SUPPORT,
+			   (PCHAR) &enable_wpa_supplicant, sizeof(UCHAR)) < 0)
+	{
+		wpa_printf(MSG_INFO, "RALINK: Failed to set "
+			   "RT_OID_WPA_SUPPLICANT_SUPPORT(%d)",
+			   (int) enable_wpa_supplicant);
+		wpa_printf(MSG_ERROR, "ralink. Driver does not support "
+			   "wpa_supplicant");
+	}
+}
+
+static void
+wpa_driver_ralink_event_wireless(struct wpa_driver_ralink_data *drv,
+				 void *ctx, char *data, int len)
+{
+	struct iw_event iwe_buf, *iwe = &iwe_buf;
+	char *pos, *end, *custom, *buf, *assoc_info_buf, *info_pos;
+#if 0
+	BOOLEAN ieee8021x_required_key = FALSE;
+#endif
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	assoc_info_buf = info_pos = NULL;
+	pos = data;
+	end = data + len;
+
+	while (pos + IW_EV_LCP_LEN <= end) {
+		/* Event data may be unaligned, so make a local, aligned copy
+		 * before processing. */
+		os_memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
+		wpa_printf(MSG_DEBUG, "Wireless event: cmd=0x%x len=%d",
+			   iwe->cmd, iwe->len);
+		if (iwe->len <= IW_EV_LCP_LEN)
+			return;
+
+		custom = pos + IW_EV_POINT_LEN;
+
+		if (drv->we_version_compiled > 18 && iwe->cmd == IWEVCUSTOM) {
+			/* WE-19 removed the pointer from struct iw_point */
+			char *dpos = (char *) &iwe_buf.u.data.length;
+			int dlen = dpos - (char *) &iwe_buf;
+			os_memcpy(dpos, pos + IW_EV_LCP_LEN,
+				  sizeof(struct iw_event) - dlen);
+		} else {
+			os_memcpy(&iwe_buf, pos, sizeof(struct iw_event));
+			custom += IW_EV_POINT_OFF;
+		}
+
+		switch (iwe->cmd) {
+		case IWEVCUSTOM:
+			if (custom + iwe->u.data.length > end)
+				return;
+			buf = os_malloc(iwe->u.data.length + 1);
+			if (buf == NULL)
+				return;
+			os_memcpy(buf, custom, iwe->u.data.length);
+			buf[iwe->u.data.length] = '\0';
+
+			if (drv->ap_scan == 1) {
+				if ((iwe->u.data.flags == RT_ASSOC_EVENT_FLAG)
+				    || (iwe->u.data.flags ==
+					RT_REQIE_EVENT_FLAG) ||
+				    (iwe->u.data.flags == RT_RESPIE_EVENT_FLAG)
+				    || (iwe->u.data.flags ==
+					RT_ASSOCINFO_EVENT_FLAG)) {
+					if (drv->scanning_done == 0) {
+						os_free(buf);
+						return;
+					}
+				}
+			}
+
+			if (iwe->u.data.flags == RT_ASSOC_EVENT_FLAG) {
+				wpa_supplicant_event(ctx, EVENT_ASSOC, NULL);
+				wpa_printf(MSG_DEBUG, "Custom wireless event: "
+					   "receive ASSOCIATED_EVENT !!!");
+			} else if (iwe->u.data.flags == RT_REQIE_EVENT_FLAG) {
+				wpa_printf(MSG_DEBUG, "Custom wireless event: "
+					   "receive ReqIEs !!!");
+				drv->assoc_req_ies =
+					os_malloc(iwe->u.data.length);
+				if (drv->assoc_req_ies == NULL) {
+					os_free(buf);
+					return;
+				}
+
+				drv->assoc_req_ies_len = iwe->u.data.length;
+				os_memcpy(drv->assoc_req_ies, custom,
+					  iwe->u.data.length);
+			} else if (iwe->u.data.flags == RT_RESPIE_EVENT_FLAG) {
+				wpa_printf(MSG_DEBUG, "Custom wireless event: "
+					   "receive RespIEs !!!");
+				drv->assoc_resp_ies =
+					os_malloc(iwe->u.data.length);
+				if (drv->assoc_resp_ies == NULL) {
+					os_free(drv->assoc_req_ies);
+					drv->assoc_req_ies = NULL;
+					os_free(buf);
+					return;
+				}
+
+				drv->assoc_resp_ies_len = iwe->u.data.length;
+				os_memcpy(drv->assoc_resp_ies, custom,
+					  iwe->u.data.length);
+			} else if (iwe->u.data.flags ==
+				   RT_ASSOCINFO_EVENT_FLAG) {
+				wpa_printf(MSG_DEBUG, "Custom wireless event: "
+					   "receive ASSOCINFO_EVENT !!!");
+
+				assoc_info_buf =
+					os_zalloc(drv->assoc_req_ies_len +
+						  drv->assoc_resp_ies_len + 1);
+
+				if (assoc_info_buf == NULL) {
+					os_free(drv->assoc_req_ies);
+					drv->assoc_req_ies = NULL;
+					os_free(drv->assoc_resp_ies);
+					drv->assoc_resp_ies = NULL;
+					os_free(buf);
+					return;
+				}
+
+				if (drv->assoc_req_ies) {
+					os_memcpy(assoc_info_buf,
+						  drv->assoc_req_ies,
+						  drv->assoc_req_ies_len);
+				}
+				info_pos = assoc_info_buf +
+					drv->assoc_req_ies_len;
+				if (drv->assoc_resp_ies) {
+					os_memcpy(info_pos,
+						  drv->assoc_resp_ies,
+						  drv->assoc_resp_ies_len);
+				}
+				assoc_info_buf[drv->assoc_req_ies_len +
+					       drv->assoc_resp_ies_len] = '\0';
+				wpa_driver_ralink_event_wireless_custom(
+					drv, ctx, assoc_info_buf);
+				os_free(drv->assoc_req_ies);
+				drv->assoc_req_ies = NULL;
+				os_free(drv->assoc_resp_ies);
+				drv->assoc_resp_ies = NULL;
+				os_free(assoc_info_buf);
+			} else if (iwe->u.data.flags == RT_DISASSOC_EVENT_FLAG)
+			{
+				wpa_printf(MSG_DEBUG, "Custom wireless event: "
+					   "receive DISASSOCIATED_EVENT !!!");
+				wpa_supplicant_event(ctx, EVENT_DISASSOC,
+						     NULL);
+			} else if (iwe->u.data.flags == RT_PMKIDCAND_FLAG) {
+				wpa_printf(MSG_DEBUG, "Custom wireless event: "
+					   "receive PMKIDCAND_EVENT !!!");
+				wpa_driver_ralink_event_pmkid(
+					drv, (const u8 *) custom,
+					iwe->u.data.length);
+			} else if (iwe->u.data.flags == RT_INTERFACE_DOWN) {
+				drv->g_driver_down = 1;
+				eloop_terminate();
+			} else if (iwe->u.data.flags == RT_INTERFACE_UP) {
+				ralink_interface_up(drv);
+			} else {
+				wpa_driver_ralink_event_wireless_custom(
+					drv, ctx, buf);
+			}
+			os_free(buf);
+			break;
+		}
+
+		pos += iwe->len;
+	}
+}
+
+static void
+wpa_driver_ralink_event_rtm_newlink(void *ctx, struct ifinfomsg *ifi, 
+				    u8 *buf, size_t len)
+{
+	struct wpa_driver_ralink_data *drv = ctx;
+	int attrlen, rta_len;
+	struct rtattr *attr;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	wpa_hexdump(MSG_DEBUG, "ifi: ", (u8 *) ifi, sizeof(struct ifinfomsg));
+
+	attrlen = len;
+	wpa_printf(MSG_DEBUG, "attrlen=%d", attrlen);
+	attr = (struct rtattr *) buf;
+	wpa_hexdump(MSG_DEBUG, "attr1: ", (u8 *) attr, sizeof(struct rtattr));
+	rta_len = RTA_ALIGN(sizeof(struct rtattr));
+	wpa_hexdump(MSG_DEBUG, "attr2: ", (u8 *)attr,rta_len);
+	while (RTA_OK(attr, attrlen)) {
+		wpa_printf(MSG_DEBUG, "rta_type=%02x\n", attr->rta_type);
+		if (attr->rta_type == IFLA_WIRELESS) {
+			wpa_driver_ralink_event_wireless(
+				drv, ctx,
+				((char *) attr) + rta_len,
+				attr->rta_len - rta_len);
+		}
+		attr = RTA_NEXT(attr, attrlen);
+		wpa_hexdump(MSG_DEBUG, "attr3: ",
+			    (u8 *) attr, sizeof(struct rtattr));
+	}
+}
+
+static int
+ralink_get_we_version_compiled(struct wpa_driver_ralink_data *drv)
+{
+	struct iwreq iwr;
+	UINT we_version_compiled = 0;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	iwr.u.data.pointer = (caddr_t) &we_version_compiled;
+	iwr.u.data.flags = RT_OID_WE_VERSION_COMPILED;
+
+	if (ioctl(drv->ioctl_sock, RT_PRIV_IOCTL, &iwr) < 0) {
+		wpa_printf(MSG_DEBUG, "%s: failed", __func__);
+		return -1;
+	}
+
+	drv->we_version_compiled = we_version_compiled;
+
+	return 0;
+}
+
+static void * wpa_driver_ralink_init(void *ctx, const char *ifname)
+{
+	int s;
+	struct wpa_driver_ralink_data *drv;
+	struct ifreq ifr;
+	UCHAR enable_wpa_supplicant = 0;
+	struct netlink_config *cfg;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	/* open socket to kernel */
+	if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+		perror("socket");
+		return NULL;
+	}
+	/* do it */
+	os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
+
+	if (ioctl(s, SIOCGIFINDEX, &ifr) < 0) {
+		perror(ifr.ifr_name);
+		return NULL;
+	}
+
+	drv = os_zalloc(sizeof(*drv));
+	if (drv == NULL)
+		return NULL;
+
+	drv->scanning_done = 1;
+	drv->ap_scan = 1; /* for now - let's assume ap_scan=1 is used */
+	drv->ctx = ctx;
+	os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
+	drv->ioctl_sock = s;
+	drv->g_driver_down = 0;
+
+	cfg = os_zalloc(sizeof(*cfg));
+	if (cfg == NULL) {
+		close(drv->ioctl_sock);
+		os_free(drv);
+		return NULL;
+	}
+	cfg->ctx = drv;
+	cfg->newlink_cb = wpa_driver_ralink_event_rtm_newlink;
+	drv->netlink = netlink_init(cfg);
+	if (drv->netlink == NULL) {
+		os_free(cfg);
+		close(drv->ioctl_sock);
+		os_free(drv);
+		return NULL;
+	}
+
+	drv->no_of_pmkid = 4; /* Number of PMKID saved supported */
+
+	linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 1);
+	ralink_get_we_version_compiled(drv);
+	wpa_driver_ralink_flush_pmkid(drv);
+
+	if (drv->ap_scan == 1)
+		enable_wpa_supplicant = 1;
+	else
+		enable_wpa_supplicant = 2;
+	/* trigger driver support wpa_supplicant */
+	if (ralink_set_oid(drv, RT_OID_WPA_SUPPLICANT_SUPPORT,
+			   (PCHAR) &enable_wpa_supplicant, sizeof(UCHAR)) < 0)
+	{
+		wpa_printf(MSG_DEBUG, "RALINK: Failed to set "
+			   "RT_OID_WPA_SUPPLICANT_SUPPORT(%d)",
+			   (int) enable_wpa_supplicant);
+		wpa_printf(MSG_ERROR, "RALINK: Driver does not support "
+			   "wpa_supplicant");
+		close(s);
+		close(drv->ioctl_sock);
+		os_free(drv);
+		return NULL;
+	}
+
+	if (drv->ap_scan == 1)
+		drv->scanning_done = 0;
+
+	return drv;
+}
+
+static void wpa_driver_ralink_deinit(void *priv)
+{
+	struct wpa_driver_ralink_data *drv = priv;
+	UCHAR enable_wpa_supplicant;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	enable_wpa_supplicant = 0;
+
+	if (drv->g_driver_down == 0) {
+		/* trigger driver disable wpa_supplicant support */
+		if (ralink_set_oid(drv, RT_OID_WPA_SUPPLICANT_SUPPORT,
+				   (char *) &enable_wpa_supplicant,
+				   sizeof(BOOLEAN)) < 0) {
+			wpa_printf(MSG_DEBUG, "RALINK: Failed to set "
+				   "RT_OID_WPA_SUPPLICANT_SUPPORT(%d)",
+				   (int) enable_wpa_supplicant);
+		}
+
+		wpa_driver_ralink_flush_pmkid(drv);
+
+		sleep(1);
+		/* linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 0); */
+	}
+
+	eloop_cancel_timeout(wpa_driver_ralink_scan_timeout, drv, drv->ctx);
+	netlink_deinit(drv->netlink);
+	close(drv->ioctl_sock);
+	os_free(drv);
+}
+
+static void wpa_driver_ralink_scan_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_driver_ralink_data *drv = eloop_ctx;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
+	wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
+
+	drv->scanning_done = 1;
+
+}
+
+static int wpa_driver_ralink_scan(void *priv,
+				  struct wpa_driver_scan_params *params)
+{
+	struct wpa_driver_ralink_data *drv = priv;
+	struct iwreq iwr;
+	int ret = 0;
+
+	if (drv->g_driver_down == 1)
+		return -1;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+#if 0
+	if (ssid_len > IW_ESSID_MAX_SIZE) {
+		wpa_printf(MSG_DEBUG, "%s: too long SSID (%lu)",
+			   __FUNCTION__, (unsigned long) ssid_len);
+		return -1;
+	}
+
+	/* wpa_driver_ralink_set_ssid(drv, ssid, ssid_len); */
+#endif
+
+	if (ralink_set_oid(drv, RT_OID_WPS_PROBE_REQ_IE,
+			   (char *) params->extra_ies, params->extra_ies_len) <
+	    0) {
+		wpa_printf(MSG_DEBUG, "RALINK: Failed to set "
+			   "RT_OID_WPS_PROBE_REQ_IE");
+	}
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+
+	if (ioctl(drv->ioctl_sock, SIOCSIWSCAN, &iwr) < 0) {
+		perror("ioctl[SIOCSIWSCAN]");
+		ret = -1;
+	}
+
+	/* Not all drivers generate "scan completed" wireless event, so try to
+	 * read results after a timeout. */
+	eloop_cancel_timeout(wpa_driver_ralink_scan_timeout, drv, drv->ctx);
+	eloop_register_timeout(4, 0, wpa_driver_ralink_scan_timeout, drv,
+			       drv->ctx);
+
+	drv->scanning_done = 0;
+
+	return ret;
+}
+
+static struct wpa_scan_results *
+wpa_driver_ralink_get_scan_results(void *priv)
+{
+	struct wpa_driver_ralink_data *drv = priv;
+	UCHAR *buf = NULL;
+	size_t buf_len;
+	NDIS_802_11_BSSID_LIST_EX *wsr;
+	NDIS_WLAN_BSSID_EX *wbi;
+	struct iwreq iwr;
+	size_t ap_num;
+	u8 *pos;
+	struct wpa_scan_results *res;
+
+	if (drv->g_driver_down == 1)
+		return NULL;
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	if (drv->we_version_compiled >= 17)
+		buf_len = 8192;
+	else
+		buf_len = 4096;
+
+	for (;;) {
+		buf = os_zalloc(buf_len);
+		iwr.u.data.length = buf_len;
+		if (buf == NULL)
+			return NULL;
+
+		wsr = (NDIS_802_11_BSSID_LIST_EX *) buf;
+
+		wsr->NumberOfItems = 0;
+		os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+		iwr.u.data.pointer = (void *) buf;
+		iwr.u.data.flags = OID_802_11_BSSID_LIST;
+
+		if (ioctl(drv->ioctl_sock, RT_PRIV_IOCTL, &iwr) == 0)
+			break;
+
+		if (errno == E2BIG && buf_len < 65535) {
+			os_free(buf);
+			buf = NULL;
+			buf_len *= 2;
+			if (buf_len > 65535)
+				buf_len = 65535; /* 16-bit length field */
+			wpa_printf(MSG_DEBUG, "Scan results did not fit - "
+				   "trying larger buffer (%lu bytes)",
+				   (unsigned long) buf_len);
+		} else {
+			perror("ioctl[RT_PRIV_IOCTL]");
+			os_free(buf);
+			return NULL;
+		}
+	}
+
+	res = os_zalloc(sizeof(*res));
+	if (res == NULL) {
+		os_free(buf);
+		return NULL;
+	}
+
+	res->res = os_zalloc(wsr->NumberOfItems *
+			     sizeof(struct wpa_scan_res *));
+	if (res->res == NULL) {
+		os_free(res);
+		os_free(buf);
+		return NULL;
+	}
+
+	for (ap_num = 0, wbi = wsr->Bssid; ap_num < wsr->NumberOfItems;
+	     ++ap_num) {
+		struct wpa_scan_res *r = NULL;
+		size_t extra_len = 0, var_ie_len = 0;
+		u8 *pos2;
+
+		/* SSID data element */
+		extra_len += 2 + wbi->Ssid.SsidLength;
+		var_ie_len = wbi->IELength - sizeof(NDIS_802_11_FIXED_IEs);
+		r = os_zalloc(sizeof(*r) + extra_len + var_ie_len);
+		if (r == NULL)
+			break;
+		res->res[res->num++] = r;
+
+		wpa_printf(MSG_DEBUG, "SSID - %s", wbi->Ssid.Ssid);
+		/* get ie's */
+		wpa_hexdump(MSG_DEBUG, "RALINK: AP IEs",
+			    (u8 *) &wbi->IEs[0], wbi->IELength);
+
+		os_memcpy(r->bssid, wbi->MacAddress, ETH_ALEN);
+
+		extra_len += (2 + wbi->Ssid.SsidLength);
+		r->ie_len = extra_len + var_ie_len;
+		pos2 = (u8 *) (r + 1);
+
+		/*
+		 * Generate a fake SSID IE since the driver did not report
+		 * a full IE list.
+		 */
+		*pos2++ = WLAN_EID_SSID;
+		*pos2++ = wbi->Ssid.SsidLength;
+		os_memcpy(pos2, wbi->Ssid.Ssid, wbi->Ssid.SsidLength);
+		pos2 += wbi->Ssid.SsidLength;
+
+		r->freq = (wbi->Configuration.DSConfig / 1000);
+
+		pos = (u8 *) wbi + sizeof(*wbi) - 1;
+
+		pos += sizeof(NDIS_802_11_FIXED_IEs) - 2;
+		os_memcpy(&(r->caps), pos, 2);
+		pos += 2;
+
+		if (wbi->IELength > sizeof(NDIS_802_11_FIXED_IEs))
+			os_memcpy(pos2, pos, var_ie_len);
+
+		wbi = (NDIS_WLAN_BSSID_EX *) ((u8 *) wbi + wbi->Length);
+	}
+
+	os_free(buf);
+	return res;
+}
+
+static int ralink_set_auth_mode(struct wpa_driver_ralink_data *drv,
+				NDIS_802_11_AUTHENTICATION_MODE mode)
+{
+	NDIS_802_11_AUTHENTICATION_MODE auth_mode = mode;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	if (ralink_set_oid(drv, OID_802_11_AUTHENTICATION_MODE,
+			   (char *) &auth_mode, sizeof(auth_mode)) < 0) {
+		wpa_printf(MSG_DEBUG, "RALINK: Failed to set "
+			   "OID_802_11_AUTHENTICATION_MODE (%d)",
+			   (int) auth_mode);
+		return -1;
+	}
+	return 0;
+}
+
+static int ralink_set_encr_type(struct wpa_driver_ralink_data *drv,
+				NDIS_802_11_WEP_STATUS encr_type)
+{
+	NDIS_802_11_WEP_STATUS wep_status = encr_type;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	if (ralink_set_oid(drv, OID_802_11_WEP_STATUS,
+			   (char *) &wep_status, sizeof(wep_status)) < 0) {
+		wpa_printf(MSG_DEBUG, "RALINK: Failed to set "
+			   "OID_802_11_WEP_STATUS (%d)",
+			   (int) wep_status);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wpa_driver_ralink_remove_key(struct wpa_driver_ralink_data *drv,
+					int key_idx, const u8 *addr,
+					const u8 *bssid, int pairwise)
+{
+	NDIS_802_11_REMOVE_KEY rkey;
+	NDIS_802_11_KEY_INDEX _index;
+	int res, res2;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	os_memset(&rkey, 0, sizeof(rkey));
+
+	rkey.Length = sizeof(rkey);
+	rkey.KeyIndex = key_idx;
+
+	if (pairwise)
+		rkey.KeyIndex |= 1 << 30;
+
+	os_memcpy(rkey.BSSID, bssid, ETH_ALEN);
+
+	res = ralink_set_oid(drv, OID_802_11_REMOVE_KEY, (char *) &rkey,
+			     sizeof(rkey));
+
+	/* AlbertY@20060210 removed it */
+	if (0 /* !pairwise */) {
+		res2 = ralink_set_oid(drv, OID_802_11_REMOVE_WEP,
+				      (char *) &_index, sizeof(_index));
+	} else
+		res2 = 0;
+
+	if (res < 0 && res2 < 0)
+		return res;
+	return 0;
+}
+
+static int wpa_driver_ralink_add_wep(struct wpa_driver_ralink_data *drv,
+				     int pairwise, int key_idx, int set_tx,
+				     const u8 *key, size_t key_len)
+{
+	NDIS_802_11_WEP *wep;
+	size_t len;
+	int res;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	len = 12 + key_len;
+	wep = os_zalloc(len);
+	if (wep == NULL)
+		return -1;
+
+	wep->Length = len;
+	wep->KeyIndex = key_idx;
+
+	if (set_tx)
+		wep->KeyIndex |= 0x80000000;
+
+	wep->KeyLength = key_len;
+	os_memcpy(wep->KeyMaterial, key, key_len);
+
+	wpa_hexdump_key(MSG_MSGDUMP, "RALINK: OID_802_11_ADD_WEP",
+			(const u8 *) wep, len);
+	res = ralink_set_oid(drv, OID_802_11_ADD_WEP, (char *) wep, len);
+
+	os_free(wep);
+
+	return res;
+}
+
+static int wpa_driver_ralink_set_key(const char *ifname, void *priv,
+				     enum wpa_alg alg, const u8 *addr,
+				     int key_idx, int set_tx,
+				     const u8 *seq, size_t seq_len,
+				     const u8 *key, size_t key_len)
+{
+	struct wpa_driver_ralink_data *drv = priv;
+	size_t len, i;
+	NDIS_802_11_KEY *nkey;
+	int res, pairwise;
+	u8 bssid[ETH_ALEN];
+
+	if (drv->g_driver_down == 1)
+		return -1;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	drv->bAddWepKey = FALSE;
+
+	if (addr == NULL || is_broadcast_ether_addr(addr)) {
+		/* Group Key */
+		pairwise = 0;
+		wpa_driver_ralink_get_bssid(drv, bssid);
+	} else {
+		/* Pairwise Key */
+		pairwise = 1;
+		os_memcpy(bssid, addr, ETH_ALEN);
+	}
+
+	if (alg == WPA_ALG_NONE || key_len == 0) {
+		return wpa_driver_ralink_remove_key(drv, key_idx, addr, bssid,
+						    pairwise);
+	}
+
+	if (alg == WPA_ALG_WEP) {
+		drv->bAddWepKey = TRUE;
+		return wpa_driver_ralink_add_wep(drv, pairwise, key_idx,
+						 set_tx, key, key_len);
+	}
+
+	len = 12 + 6 + 6 + 8 + key_len;
+
+	nkey = os_zalloc(len);
+	if (nkey == NULL)
+		return -1;
+
+	nkey->Length = len;
+	nkey->KeyIndex = key_idx;
+
+	if (set_tx)
+		nkey->KeyIndex |= 1 << 31;
+
+	if (pairwise)
+		nkey->KeyIndex |= 1 << 30;
+
+	if (seq && seq_len)
+		nkey->KeyIndex |= 1 << 29;
+
+	nkey->KeyLength = key_len;
+	os_memcpy(nkey->BSSID, bssid, ETH_ALEN);
+
+	if (seq && seq_len) {
+		for (i = 0; i < seq_len; i++)
+			nkey->KeyRSC |= seq[i] << (i * 8);
+	}
+	if (alg == WPA_ALG_TKIP && key_len == 32) {
+		os_memcpy(nkey->KeyMaterial, key, 16);
+		os_memcpy(nkey->KeyMaterial + 16, key + 24, 8);
+		os_memcpy(nkey->KeyMaterial + 24, key + 16, 8);
+	} else {
+		os_memcpy(nkey->KeyMaterial, key, key_len);
+	}
+
+	wpa_printf(MSG_DEBUG, "%s: alg=%d key_idx=%d set_tx=%d seq_len=%lu "
+		   "key_len=%lu", __FUNCTION__, alg, key_idx, set_tx,
+		   (unsigned long) seq_len, (unsigned long) key_len);
+
+	wpa_hexdump_key(MSG_MSGDUMP, "RALINK: OID_802_11_ADD_KEY",
+			(const u8 *) nkey, len);
+	res = ralink_set_oid(drv, OID_802_11_ADD_KEY, (char *) nkey, len);
+	os_free(nkey);
+
+	return res;
+}
+
+static int wpa_driver_ralink_disassociate(void *priv, const u8 *addr,
+					int reason_code)
+{
+	struct wpa_driver_ralink_data *drv = priv;
+
+	if (drv->g_driver_down == 1)
+		return -1;
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+	if (ralink_set_oid(drv, OID_802_11_DISASSOCIATE, "    ", 4) < 0) {
+		wpa_printf(MSG_DEBUG, "RALINK: Failed to set "
+			   "OID_802_11_DISASSOCIATE");
+	}
+
+	return 0;
+}
+
+static int wpa_driver_ralink_deauthenticate(void *priv, const u8 *addr,
+					  int reason_code)
+{
+	struct wpa_driver_ralink_data *drv = priv;
+
+	wpa_printf(MSG_DEBUG, "g_driver_down = %d", drv->g_driver_down);
+
+	if (drv->g_driver_down == 1)
+		return -1;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+	if (ralink_get_new_driver_flag(drv) == 0) {
+		return wpa_driver_ralink_disassociate(priv, addr, reason_code);
+	} else {
+		MLME_DEAUTH_REQ_STRUCT mlme;
+		os_memset(&mlme, 0, sizeof(MLME_DEAUTH_REQ_STRUCT));
+		mlme.Reason = reason_code;
+		os_memcpy(mlme.Addr, addr, MAC_ADDR_LEN);
+		return ralink_set_oid(drv, OID_802_11_DEAUTHENTICATION,
+				      (char *) &mlme,
+				      sizeof(MLME_DEAUTH_REQ_STRUCT));
+	}
+}
+
+static int wpa_driver_ralink_set_gen_ie(void *priv, const u8 *ie,
+					size_t ie_len)
+{
+	struct wpa_driver_ralink_data *drv = priv;
+	struct iwreq iwr;
+	int ret = 0;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	iwr.u.data.pointer = (caddr_t) ie;
+	iwr.u.data.length = ie_len;
+
+	wpa_hexdump(MSG_DEBUG, "wpa_driver_ralink_set_gen_ie: ",
+		    (u8 *) ie, ie_len);
+
+	if (ioctl(drv->ioctl_sock, SIOCSIWGENIE, &iwr) < 0) {
+		perror("ioctl[SIOCSIWGENIE]");
+		ret = -1;
+	}
+
+	return ret;
+}
+
+static int
+wpa_driver_ralink_associate(void *priv,
+			    struct wpa_driver_associate_params *params)
+{
+	struct wpa_driver_ralink_data *drv = priv;
+
+	NDIS_802_11_NETWORK_INFRASTRUCTURE mode;
+	NDIS_802_11_AUTHENTICATION_MODE auth_mode;
+	NDIS_802_11_WEP_STATUS encr;
+	BOOLEAN		ieee8021xMode;
+	BOOLEAN 	ieee8021x_required_key = TRUE;
+
+	if (drv->g_driver_down == 1)
+		return -1;
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	if (params->mode == IEEE80211_MODE_IBSS)
+		mode = Ndis802_11IBSS;
+	else
+		mode = Ndis802_11Infrastructure;
+
+	if (ralink_set_oid(drv, OID_802_11_INFRASTRUCTURE_MODE,
+			 (char *) &mode, sizeof(mode)) < 0) {
+		wpa_printf(MSG_DEBUG, "RALINK: Failed to set "
+			   "OID_802_11_INFRASTRUCTURE_MODE (%d)",
+			   (int) mode);
+		/* Try to continue anyway */
+	}
+
+	if (params->key_mgmt_suite == KEY_MGMT_WPS) {
+		UCHAR enable_wps = 0x80;
+		/* trigger driver support wpa_supplicant */
+		if (ralink_set_oid(drv, RT_OID_WPA_SUPPLICANT_SUPPORT,
+				   (PCHAR) &enable_wps, sizeof(UCHAR)) < 0) {
+			wpa_printf(MSG_INFO, "RALINK: Failed to set "
+				   "RT_OID_WPA_SUPPLICANT_SUPPORT (%d)",
+				   (int) enable_wps);
+		}
+
+		wpa_driver_ralink_set_gen_ie(priv, params->wpa_ie,
+					     params->wpa_ie_len);
+
+		ralink_set_auth_mode(drv, Ndis802_11AuthModeOpen);
+
+		ralink_set_encr_type(drv, Ndis802_11EncryptionDisabled);
+	} else {
+#ifdef CONFIG_WPS
+		UCHAR enable_wpa_supplicant;
+
+		if (drv->ap_scan == 1)
+			enable_wpa_supplicant = 0x01;
+		else
+			enable_wpa_supplicant = 0x02;
+
+		/* trigger driver support wpa_supplicant */
+		if (ralink_set_oid(drv, RT_OID_WPA_SUPPLICANT_SUPPORT,
+				   (PCHAR) &enable_wpa_supplicant,
+				   sizeof(UCHAR)) < 0) {
+			wpa_printf(MSG_DEBUG, "RALINK: Failed to set "
+				   "RT_OID_WPA_SUPPLICANT_SUPPORT (%d)",
+				   (int) enable_wpa_supplicant);
+		}
+
+		wpa_driver_ralink_set_gen_ie(priv, (u8 *) "", 0);
+#endif /* CONFIG_WPS */
+
+		if (params->wpa_ie == NULL || params->wpa_ie_len == 0) {
+			if (params->auth_alg & WPA_AUTH_ALG_SHARED) {
+				if (params->auth_alg & WPA_AUTH_ALG_OPEN)
+					auth_mode = Ndis802_11AuthModeAutoSwitch;
+				else
+					auth_mode = Ndis802_11AuthModeShared;
+			} else
+				auth_mode = Ndis802_11AuthModeOpen;
+		} else if (params->wpa_ie[0] == WLAN_EID_RSN) {
+			if (params->key_mgmt_suite == KEY_MGMT_PSK)
+				auth_mode = Ndis802_11AuthModeWPA2PSK;
+			else
+				auth_mode = Ndis802_11AuthModeWPA2;
+		} else {
+			if (params->key_mgmt_suite == KEY_MGMT_WPA_NONE)
+				auth_mode = Ndis802_11AuthModeWPANone;
+			else if (params->key_mgmt_suite == KEY_MGMT_PSK)
+				auth_mode = Ndis802_11AuthModeWPAPSK;
+			else
+				auth_mode = Ndis802_11AuthModeWPA;
+		}
+
+		switch (params->pairwise_suite) {
+		case CIPHER_CCMP:
+			encr = Ndis802_11Encryption3Enabled;
+			break;
+		case CIPHER_TKIP:
+			encr = Ndis802_11Encryption2Enabled;
+			break;
+		case CIPHER_WEP40:
+		case CIPHER_WEP104:
+			encr = Ndis802_11Encryption1Enabled;
+			break;
+		case CIPHER_NONE:
+			if (params->group_suite == CIPHER_CCMP)
+				encr = Ndis802_11Encryption3Enabled;
+			else if (params->group_suite == CIPHER_TKIP)
+				encr = Ndis802_11Encryption2Enabled;
+			else
+				encr = Ndis802_11EncryptionDisabled;
+			break;
+		default:
+			encr = Ndis802_11EncryptionDisabled;
+			break;
+		}
+
+		ralink_set_auth_mode(drv, auth_mode);
+
+		/* notify driver that IEEE8021x mode is enabled */
+		if (params->key_mgmt_suite == KEY_MGMT_802_1X_NO_WPA) {
+			ieee8021xMode = TRUE;
+			if (drv->bAddWepKey)
+				ieee8021x_required_key = FALSE;
+		} else
+			ieee8021xMode = FALSE;
+
+		if (ralink_set_oid(drv, OID_802_11_SET_IEEE8021X_REQUIRE_KEY,
+				   (char *) &ieee8021x_required_key,
+				   sizeof(BOOLEAN)) < 0) {
+			wpa_printf(MSG_DEBUG, "ERROR: Failed to set "
+				   "OID_802_11_SET_IEEE8021X_REQUIRE_KEY(%d)",
+				   (int) ieee8021x_required_key);
+		} else {
+			wpa_printf(MSG_DEBUG, "ieee8021x_required_key is %s",
+				   ieee8021x_required_key ? "TRUE" : "FALSE");
+		}
+
+		if (ralink_set_oid(drv, OID_802_11_SET_IEEE8021X,
+				   (char *) &ieee8021xMode, sizeof(BOOLEAN)) <
+		    0) {
+			wpa_printf(MSG_DEBUG, "RALINK: Failed to set "
+				   "OID_802_11_SET_IEEE8021X(%d)",
+				   (int) ieee8021xMode);
+		}
+
+		ralink_set_encr_type(drv, encr);
+
+		if ((ieee8021xMode == FALSE) &&
+		    (encr == Ndis802_11Encryption1Enabled)) {
+			/* static WEP */
+			int enabled = 0;
+			if (ralink_set_oid(drv, OID_802_11_DROP_UNENCRYPTED,
+					   (char *) &enabled, sizeof(enabled))
+			    < 0) {
+				wpa_printf(MSG_DEBUG, "RALINK: Failed to set "
+					   "OID_802_11_DROP_UNENCRYPTED(%d)",
+					   (int) encr);
+			}
+		}
+	}
+
+	return wpa_driver_ralink_set_ssid(drv, params->ssid, params->ssid_len);
+}
+
+static int
+wpa_driver_ralink_set_countermeasures(void *priv, int enabled)
+{
+	struct wpa_driver_ralink_data *drv = priv;
+	if (drv->g_driver_down == 1)
+		return -1;
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
+	return ralink_set_oid(drv, OID_SET_COUNTERMEASURES, (char *) &enabled,
+			      sizeof(int));
+}
+
+const struct wpa_driver_ops wpa_driver_ralink_ops = {
+	.name = "ralink",
+	.desc = "Ralink Wireless Client driver",
+	.get_bssid = wpa_driver_ralink_get_bssid,
+	.get_ssid = wpa_driver_ralink_get_ssid,
+	.set_key = wpa_driver_ralink_set_key,
+	.init = wpa_driver_ralink_init,
+	.deinit = wpa_driver_ralink_deinit,
+	.set_countermeasures	= wpa_driver_ralink_set_countermeasures,
+	.scan2 = wpa_driver_ralink_scan,
+	.get_scan_results2 = wpa_driver_ralink_get_scan_results,
+	.deauthenticate = wpa_driver_ralink_deauthenticate,
+	.disassociate = wpa_driver_ralink_disassociate,
+	.associate = wpa_driver_ralink_associate,
+	.add_pmkid = wpa_driver_ralink_add_pmkid,
+	.remove_pmkid = wpa_driver_ralink_remove_pmkid,
+	.flush_pmkid = wpa_driver_ralink_flush_pmkid,
+};
diff --git a/src/drivers/driver_ralink.h b/src/drivers/driver_ralink.h
new file mode 100644
index 0000000..d13df28
--- /dev/null
+++ b/src/drivers/driver_ralink.h
@@ -0,0 +1,383 @@
+/*
+ * WPA Supplicant - driver_ralink exported functions
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2007, Snowpin Lee <snowpin_lee@ralinktech.com.tw>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+// Ralink defined OIDs
+#if WIRELESS_EXT <= 11
+#ifndef SIOCDEVPRIVATE
+#define SIOCDEVPRIVATE                              0x8BE0
+#endif
+#define SIOCIWFIRSTPRIV								SIOCDEVPRIVATE
+#endif
+
+#define RT_PRIV_IOCTL								(SIOCIWFIRSTPRIV + 0x0E)  
+#define RTPRIV_IOCTL_SET							(SIOCIWFIRSTPRIV + 0x02)
+
+// IEEE 802.11 OIDs  &  Ralink defined OIDs  ******
+
+// (RaConfig Set/QueryInform) ==>
+#define OID_GET_SET_TOGGLE							0x8000
+
+#define OID_802_11_ADD_WEP                          0x0112
+#define OID_802_11_REMOVE_WEP                       0x0113
+#define OID_802_11_DISASSOCIATE                     0x0114
+#define OID_802_11_PRIVACY_FILTER                   0x0118
+#define OID_802_11_ASSOCIATION_INFORMATION          0x011E
+#define OID_802_11_BSSID_LIST_SCAN                  0x0508
+#define OID_802_11_SSID                             0x0509
+#define OID_802_11_BSSID                            0x050A
+#define OID_802_11_WEP_STATUS                       0x0510
+#define OID_802_11_AUTHENTICATION_MODE              0x0511
+#define OID_802_11_INFRASTRUCTURE_MODE              0x0512
+#define OID_802_11_TX_POWER_LEVEL                   0x0517
+#define OID_802_11_REMOVE_KEY                       0x0519
+#define OID_802_11_ADD_KEY                          0x0520
+#define OID_802_11_DEAUTHENTICATION                 0x0526
+#define OID_802_11_DROP_UNENCRYPTED                 0x0527
+#define OID_802_11_BSSID_LIST                       0x0609
+#define OID_802_3_CURRENT_ADDRESS                   0x060A
+#define OID_SET_COUNTERMEASURES                     0x0616
+#define OID_802_11_SET_IEEE8021X                    0x0617	// For IEEE8021x mode 
+#define OID_802_11_SET_IEEE8021X_REQUIRE_KEY        0x0618  // For DynamicWEP in IEEE802.1x mode
+#define OID_802_11_PMKID                            0x0620
+#define RT_OID_WPA_SUPPLICANT_SUPPORT               0x0621  // for trigger driver enable/disable wpa_supplicant support 
+#define RT_OID_WE_VERSION_COMPILED                  0x0622
+#define RT_OID_NEW_DRIVER                           0x0623
+#define RT_OID_WPS_PROBE_REQ_IE						0x0625
+
+#define PACKED  __attribute__ ((packed))
+
+//wpa_supplicant event flags
+#define	RT_ASSOC_EVENT_FLAG                         0x0101
+#define	RT_DISASSOC_EVENT_FLAG                      0x0102
+#define	RT_REQIE_EVENT_FLAG                         0x0103
+#define	RT_RESPIE_EVENT_FLAG                        0x0104
+#define	RT_ASSOCINFO_EVENT_FLAG                     0x0105
+#define RT_PMKIDCAND_FLAG                           0x0106
+#define RT_INTERFACE_DOWN                           0x0107
+#define RT_INTERFACE_UP                           	0x0108
+
+//
+// IEEE 802.11 Structures and definitions
+//
+// new types for Media Specific Indications
+
+#ifndef ULONG
+#define CHAR            char
+#define INT             int
+#define SHORT           int
+#define UINT            u32
+#undef  ULONG           
+//#define ULONG           u32
+#define ULONG           unsigned long /* 32-bit in 32-bit CPU or 64-bit in 64-bit CPU */
+#define USHORT          unsigned short
+#define UCHAR           unsigned char
+
+#define uint32		u32
+#define uint8		u8
+
+
+#define BOOLEAN         u8
+//#define LARGE_INTEGER s64
+#define VOID            void
+#define LONG            long
+#define LONGLONG        s64
+#define ULONGLONG       u64
+typedef VOID            *PVOID;
+typedef CHAR            *PCHAR;
+typedef UCHAR           *PUCHAR;
+typedef USHORT          *PUSHORT;
+typedef LONG            *PLONG;
+typedef ULONG           *PULONG;
+
+typedef union _LARGE_INTEGER {
+    struct {
+        ULONG LowPart;
+        LONG HighPart;
+    }vv;
+    struct {
+        ULONG LowPart;
+        LONG HighPart;
+    } u;
+    s64 QuadPart;
+} LARGE_INTEGER;
+
+#endif
+
+#define NDIS_802_11_LENGTH_SSID         32
+#define NDIS_802_11_LENGTH_RATES        8
+#define NDIS_802_11_LENGTH_RATES_EX     16
+#define MAX_LEN_OF_SSID                 32
+#define MAC_ADDR_LEN                    6
+
+typedef UCHAR   NDIS_802_11_MAC_ADDRESS[6];
+
+// mask for authentication/integrity fields
+#define NDIS_802_11_AUTH_REQUEST_AUTH_FIELDS        0x0f
+
+#define NDIS_802_11_AUTH_REQUEST_REAUTH             0x01
+#define NDIS_802_11_AUTH_REQUEST_KEYUPDATE          0x02
+#define NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR     0x06
+#define NDIS_802_11_AUTH_REQUEST_GROUP_ERROR        0x0E
+
+// Added new types for OFDM 5G and 2.4G
+typedef enum _NDIS_802_11_NETWORK_TYPE
+{
+    Ndis802_11FH, 
+    Ndis802_11DS, 
+    Ndis802_11OFDM5,
+    Ndis802_11OFDM24,
+    Ndis802_11Automode,
+    Ndis802_11NetworkTypeMax    // not a real type, defined as an upper bound
+} NDIS_802_11_NETWORK_TYPE, *PNDIS_802_11_NETWORK_TYPE;
+
+//
+// Received Signal Strength Indication
+//
+typedef LONG    NDIS_802_11_RSSI;           // in dBm
+
+typedef struct _NDIS_802_11_CONFIGURATION_FH
+{
+   ULONG           Length;            // Length of structure
+   ULONG           HopPattern;        // As defined by 802.11, MSB set 
+   ULONG           HopSet;            // to one if non-802.11
+   ULONG           DwellTime;         // units are Kusec
+} NDIS_802_11_CONFIGURATION_FH, *PNDIS_802_11_CONFIGURATION_FH;
+
+typedef struct _NDIS_802_11_CONFIGURATION
+{
+   ULONG                           Length;             // Length of structure
+   ULONG                           BeaconPeriod;       // units are Kusec
+   ULONG                           ATIMWindow;         // units are Kusec
+   ULONG                           DSConfig;           // Frequency, units are kHz
+   NDIS_802_11_CONFIGURATION_FH    FHConfig;
+} NDIS_802_11_CONFIGURATION, *PNDIS_802_11_CONFIGURATION;
+
+typedef  ULONG  NDIS_802_11_KEY_INDEX;
+typedef ULONGLONG   NDIS_802_11_KEY_RSC;
+
+// Key mapping keys require a BSSID
+typedef struct _NDIS_802_11_KEY
+{
+    UINT           Length;             // Length of this structure
+    UINT           KeyIndex;           
+    UINT           KeyLength;          // length of key in bytes
+    NDIS_802_11_MAC_ADDRESS BSSID;
+    NDIS_802_11_KEY_RSC KeyRSC;
+    UCHAR           KeyMaterial[1];     // variable length depending on above field
+} NDIS_802_11_KEY, *PNDIS_802_11_KEY;
+
+typedef struct _NDIS_802_11_REMOVE_KEY
+{
+    UINT                   Length;        // Length of this structure
+    UINT                   KeyIndex;           
+    NDIS_802_11_MAC_ADDRESS BSSID;      
+} NDIS_802_11_REMOVE_KEY, *PNDIS_802_11_REMOVE_KEY;
+
+typedef struct PACKED _NDIS_802_11_WEP
+{
+   UINT     Length;        // Length of this structure
+   UINT           KeyIndex;           // 0 is the per-client key, 1-N are the
+                                        // global keys
+   UINT     KeyLength;     // length of key in bytes
+   UCHAR     KeyMaterial[1];// variable length depending on above field
+} NDIS_802_11_WEP, *PNDIS_802_11_WEP;
+
+
+typedef enum _NDIS_802_11_NETWORK_INFRASTRUCTURE
+{
+   Ndis802_11IBSS,
+   Ndis802_11Infrastructure,
+   Ndis802_11AutoUnknown,
+   Ndis802_11InfrastructureMax     // Not a real value, defined as upper bound
+} NDIS_802_11_NETWORK_INFRASTRUCTURE, *PNDIS_802_11_NETWORK_INFRASTRUCTURE;
+
+// PMKID Structures
+typedef UCHAR   NDIS_802_11_PMKID_VALUE[16];
+
+typedef struct _BSSID_INFO
+{
+	NDIS_802_11_MAC_ADDRESS BSSID;
+	NDIS_802_11_PMKID_VALUE PMKID;
+} BSSID_INFO, *PBSSID_INFO;
+
+typedef struct _NDIS_802_11_PMKID
+{
+	ULONG Length;
+	ULONG BSSIDInfoCount;
+	BSSID_INFO BSSIDInfo[1];
+} NDIS_802_11_PMKID, *PNDIS_802_11_PMKID;
+
+//Added new types for PMKID Candidate lists.
+typedef struct _PMKID_CANDIDATE {
+	NDIS_802_11_MAC_ADDRESS BSSID;
+	ULONG Flags;
+} PMKID_CANDIDATE, *PPMKID_CANDIDATE;
+
+typedef struct _NDIS_802_11_PMKID_CANDIDATE_LIST
+{
+	ULONG Version;       // Version of the structure
+	ULONG NumCandidates; // No. of pmkid candidates
+	PMKID_CANDIDATE CandidateList[1];
+} NDIS_802_11_PMKID_CANDIDATE_LIST, *PNDIS_802_11_PMKID_CANDIDATE_LIST;
+
+//Flags for PMKID Candidate list structure
+#define NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED	0x01
+
+// Add new authentication modes
+typedef enum _NDIS_802_11_AUTHENTICATION_MODE
+{
+   Ndis802_11AuthModeOpen,
+   Ndis802_11AuthModeShared,
+   Ndis802_11AuthModeAutoSwitch,
+   Ndis802_11AuthModeWPA,
+   Ndis802_11AuthModeWPAPSK,
+   Ndis802_11AuthModeWPANone,
+   Ndis802_11AuthModeWPA2,
+   Ndis802_11AuthModeWPA2PSK,    
+   Ndis802_11AuthModeMax           // Not a real mode, defined as upper bound
+} NDIS_802_11_AUTHENTICATION_MODE, *PNDIS_802_11_AUTHENTICATION_MODE;
+
+typedef UCHAR  NDIS_802_11_RATES[NDIS_802_11_LENGTH_RATES];        // Set of 8 data rates
+typedef UCHAR  NDIS_802_11_RATES_EX[NDIS_802_11_LENGTH_RATES_EX];  // Set of 16 data rates
+
+typedef struct PACKED _NDIS_802_11_SSID 
+{
+    INT   SsidLength;         // length of SSID field below, in bytes;
+                                // this can be zero.
+    UCHAR   Ssid[NDIS_802_11_LENGTH_SSID];           // SSID information field
+} NDIS_802_11_SSID, *PNDIS_802_11_SSID;
+
+
+typedef struct PACKED _NDIS_WLAN_BSSID
+{
+   ULONG                               Length;     // Length of this structure
+   NDIS_802_11_MAC_ADDRESS             MacAddress; // BSSID
+   UCHAR                               Reserved[2];
+   NDIS_802_11_SSID                    Ssid;       // SSID
+   ULONG                               Privacy;    // WEP encryption requirement
+    NDIS_802_11_RSSI                    Rssi;               // receive signal
+                                                            // strength in dBm
+   NDIS_802_11_NETWORK_TYPE            NetworkTypeInUse;
+   NDIS_802_11_CONFIGURATION           Configuration;
+   NDIS_802_11_NETWORK_INFRASTRUCTURE  InfrastructureMode;
+   NDIS_802_11_RATES                   SupportedRates;
+} NDIS_WLAN_BSSID, *PNDIS_WLAN_BSSID;
+
+typedef struct PACKED _NDIS_802_11_BSSID_LIST
+{
+   UINT             NumberOfItems;      // in list below, at least 1
+   NDIS_WLAN_BSSID Bssid[1];
+} NDIS_802_11_BSSID_LIST, *PNDIS_802_11_BSSID_LIST;
+
+// Added Capabilities, IELength and IEs for each BSSID
+typedef struct PACKED _NDIS_WLAN_BSSID_EX
+{
+    ULONG                               Length;             // Length of this structure
+    NDIS_802_11_MAC_ADDRESS             MacAddress;         // BSSID
+    UCHAR                               Reserved[2];
+    NDIS_802_11_SSID                    Ssid;               // SSID
+    UINT                                Privacy;            // WEP encryption requirement
+    NDIS_802_11_RSSI                    Rssi;               // receive signal
+                                                            // strength in dBm
+    NDIS_802_11_NETWORK_TYPE            NetworkTypeInUse;
+    NDIS_802_11_CONFIGURATION           Configuration;
+    NDIS_802_11_NETWORK_INFRASTRUCTURE  InfrastructureMode;
+    NDIS_802_11_RATES_EX                SupportedRates;
+    ULONG                               IELength;
+    UCHAR                               IEs[1];
+} NDIS_WLAN_BSSID_EX, *PNDIS_WLAN_BSSID_EX;
+
+typedef struct PACKED _NDIS_802_11_BSSID_LIST_EX
+{
+    UINT                   NumberOfItems;      // in list below, at least 1
+    NDIS_WLAN_BSSID_EX      Bssid[1];
+} NDIS_802_11_BSSID_LIST_EX, *PNDIS_802_11_BSSID_LIST_EX;
+
+typedef struct PACKED _NDIS_802_11_FIXED_IEs 
+{
+    UCHAR Timestamp[8];
+    USHORT BeaconInterval;
+    USHORT Capabilities;
+} NDIS_802_11_FIXED_IEs, *PNDIS_802_11_FIXED_IEs;
+
+// Added new encryption types
+// Also aliased typedef to new name
+typedef enum _NDIS_802_11_WEP_STATUS
+{
+   Ndis802_11WEPEnabled,
+   Ndis802_11Encryption1Enabled = Ndis802_11WEPEnabled,
+   Ndis802_11WEPDisabled,
+   Ndis802_11EncryptionDisabled = Ndis802_11WEPDisabled,
+   Ndis802_11WEPKeyAbsent,
+   Ndis802_11Encryption1KeyAbsent = Ndis802_11WEPKeyAbsent,
+   Ndis802_11WEPNotSupported,
+   Ndis802_11EncryptionNotSupported = Ndis802_11WEPNotSupported,
+   Ndis802_11Encryption2Enabled,
+   Ndis802_11Encryption2KeyAbsent,
+   Ndis802_11Encryption3Enabled,
+   Ndis802_11Encryption3KeyAbsent
+} NDIS_802_11_WEP_STATUS, *PNDIS_802_11_WEP_STATUS,
+  NDIS_802_11_ENCRYPTION_STATUS, *PNDIS_802_11_ENCRYPTION_STATUS;
+
+typedef enum _NDIS_802_11_RELOAD_DEFAULTS
+{
+   Ndis802_11ReloadWEPKeys
+} NDIS_802_11_RELOAD_DEFAULTS, *PNDIS_802_11_RELOAD_DEFAULTS;
+
+#define NDIS_802_11_AI_REQFI_CAPABILITIES      1
+#define NDIS_802_11_AI_REQFI_LISTENINTERVAL    2
+#define NDIS_802_11_AI_REQFI_CURRENTAPADDRESS  4
+
+#define NDIS_802_11_AI_RESFI_CAPABILITIES      1
+#define NDIS_802_11_AI_RESFI_STATUSCODE        2
+#define NDIS_802_11_AI_RESFI_ASSOCIATIONID     4
+
+typedef struct _NDIS_802_11_AI_REQFI
+{
+    USHORT Capabilities;
+    USHORT ListenInterval;
+    NDIS_802_11_MAC_ADDRESS  CurrentAPAddress;
+} NDIS_802_11_AI_REQFI, *PNDIS_802_11_AI_REQFI;
+
+typedef struct _NDIS_802_11_AI_RESFI
+{
+    USHORT Capabilities;
+    USHORT StatusCode;
+    USHORT AssociationId;
+} NDIS_802_11_AI_RESFI, *PNDIS_802_11_AI_RESFI;
+
+typedef struct _NDIS_802_11_ASSOCIATION_INFORMATION
+{
+    ULONG                   Length;
+    USHORT                  AvailableRequestFixedIEs;
+    NDIS_802_11_AI_REQFI    RequestFixedIEs;
+    ULONG                   RequestIELength;
+    ULONG                   OffsetRequestIEs;
+    USHORT                  AvailableResponseFixedIEs;
+    NDIS_802_11_AI_RESFI    ResponseFixedIEs;
+    ULONG                   ResponseIELength;
+    ULONG                   OffsetResponseIEs;
+} NDIS_802_11_ASSOCIATION_INFORMATION, *PNDIS_802_11_ASSOCIATION_INFORMATION;
+
+struct ndis_pmkid_entry {
+	struct ndis_pmkid_entry *next;
+	u8 bssid[ETH_ALEN];
+	u8 pmkid[16];
+};
+
+typedef struct _MLME_DEAUTH_REQ_STRUCT {
+    UCHAR        Addr[MAC_ADDR_LEN];
+    USHORT       Reason;
+} MLME_DEAUTH_REQ_STRUCT, *PMLME_DEAUTH_REQ_STRUCT;
diff --git a/src/drivers/driver_roboswitch.c b/src/drivers/driver_roboswitch.c
new file mode 100644
index 0000000..c014b96
--- /dev/null
+++ b/src/drivers/driver_roboswitch.c
@@ -0,0 +1,480 @@
+/*
+ * WPA Supplicant - roboswitch driver interface
+ * Copyright (c) 2008-2009 Jouke Witteveen
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <sys/ioctl.h>
+#include <linux/sockios.h>
+#include <linux/if_ether.h>
+#include <linux/mii.h>
+#include <net/if.h>
+
+#include "common.h"
+#include "driver.h"
+#include "l2_packet/l2_packet.h"
+
+#define ROBO_PHY_ADDR		0x1e	/* RoboSwitch PHY address */
+
+/* MII access registers */
+#define ROBO_MII_PAGE		0x10	/* MII page register */
+#define ROBO_MII_ADDR		0x11	/* MII address register */
+#define ROBO_MII_DATA_OFFSET	0x18	/* Start of MII data registers */
+
+#define ROBO_MII_PAGE_ENABLE	0x01	/* MII page op code */
+#define ROBO_MII_ADDR_WRITE	0x01	/* MII address write op code */
+#define ROBO_MII_ADDR_READ	0x02	/* MII address read op code */
+#define ROBO_MII_DATA_MAX	   4	/* Consecutive MII data registers */
+#define ROBO_MII_RETRY_MAX	  10	/* Read attempts before giving up */
+
+/* Page numbers */
+#define ROBO_ARLCTRL_PAGE	0x04	/* ARL control page */
+#define ROBO_VLAN_PAGE		0x34	/* VLAN page */
+
+/* ARL control page registers */
+#define ROBO_ARLCTRL_CONF	0x00	/* ARL configuration register */
+#define ROBO_ARLCTRL_ADDR_1	0x10	/* Multiport address 1 */
+#define ROBO_ARLCTRL_VEC_1	0x16	/* Multiport vector 1 */
+#define ROBO_ARLCTRL_ADDR_2	0x20	/* Multiport address 2 */
+#define ROBO_ARLCTRL_VEC_2	0x26	/* Multiport vector 2 */
+
+/* VLAN page registers */
+#define ROBO_VLAN_ACCESS	0x08	/* VLAN table access register */
+#define ROBO_VLAN_ACCESS_5350	0x06	/* VLAN table access register (5350) */
+#define ROBO_VLAN_READ		0x0c	/* VLAN read register */
+#define ROBO_VLAN_MAX		0xff	/* Maximum number of VLANs */
+
+
+static const u8 pae_group_addr[ETH_ALEN] =
+{ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 };
+
+
+struct wpa_driver_roboswitch_data {
+	void *ctx;
+	struct l2_packet_data *l2;
+	char ifname[IFNAMSIZ + 1];
+	u8 own_addr[ETH_ALEN];
+	struct ifreq ifr;
+	int fd, is_5350;
+	u16 ports;
+};
+
+
+/* Copied from the kernel-only part of mii.h. */
+static inline struct mii_ioctl_data *if_mii(struct ifreq *rq)
+{
+	return (struct mii_ioctl_data *) &rq->ifr_ifru;
+}
+
+
+/*
+ * RoboSwitch uses 16-bit Big Endian addresses.
+ * The ordering of the words is reversed in the MII registers.
+ */
+static void wpa_driver_roboswitch_addr_be16(const u8 addr[ETH_ALEN], u16 *be)
+{
+	int i;
+	for (i = 0; i < ETH_ALEN; i += 2)
+		be[(ETH_ALEN - i) / 2 - 1] = WPA_GET_BE16(addr + i);
+}
+
+
+static u16 wpa_driver_roboswitch_mdio_read(
+	struct wpa_driver_roboswitch_data *drv, u8 reg)
+{
+	struct mii_ioctl_data *mii = if_mii(&drv->ifr);
+
+	mii->phy_id = ROBO_PHY_ADDR;
+	mii->reg_num = reg;
+
+	if (ioctl(drv->fd, SIOCGMIIREG, &drv->ifr) < 0) {
+		perror("ioctl[SIOCGMIIREG]");
+		return 0x00;
+	}
+	return mii->val_out;
+}
+
+
+static void wpa_driver_roboswitch_mdio_write(
+	struct wpa_driver_roboswitch_data *drv, u8 reg, u16 val)
+{
+	struct mii_ioctl_data *mii = if_mii(&drv->ifr);
+
+	mii->phy_id = ROBO_PHY_ADDR;
+	mii->reg_num = reg;
+	mii->val_in = val;
+
+	if (ioctl(drv->fd, SIOCSMIIREG, &drv->ifr) < 0) {
+		perror("ioctl[SIOCSMIIREG");
+	}
+}
+
+
+static int wpa_driver_roboswitch_reg(struct wpa_driver_roboswitch_data *drv,
+				     u8 page, u8 reg, u8 op)
+{
+	int i;
+
+	/* set page number */
+	wpa_driver_roboswitch_mdio_write(drv, ROBO_MII_PAGE,
+					 (page << 8) | ROBO_MII_PAGE_ENABLE);
+	/* set register address */
+	wpa_driver_roboswitch_mdio_write(drv, ROBO_MII_ADDR, (reg << 8) | op);
+
+	/* check if operation completed */
+	for (i = 0; i < ROBO_MII_RETRY_MAX; ++i) {
+		if ((wpa_driver_roboswitch_mdio_read(drv, ROBO_MII_ADDR) & 3)
+		    == 0)
+			return 0;
+	}
+	/* timeout */
+	return -1;
+}
+
+
+static int wpa_driver_roboswitch_read(struct wpa_driver_roboswitch_data *drv,
+				      u8 page, u8 reg, u16 *val, int len)
+{
+	int i;
+
+	if (len > ROBO_MII_DATA_MAX ||
+	    wpa_driver_roboswitch_reg(drv, page, reg, ROBO_MII_ADDR_READ) < 0)
+		return -1;
+
+	for (i = 0; i < len; ++i) {
+		val[i] = wpa_driver_roboswitch_mdio_read(
+			drv, ROBO_MII_DATA_OFFSET + i);
+	}
+
+	return 0;
+}
+
+
+static int wpa_driver_roboswitch_write(struct wpa_driver_roboswitch_data *drv,
+				       u8 page, u8 reg, u16 *val, int len)
+{
+	int i;
+
+	if (len > ROBO_MII_DATA_MAX) return -1;
+	for (i = 0; i < len; ++i) {
+		wpa_driver_roboswitch_mdio_write(drv, ROBO_MII_DATA_OFFSET + i,
+						 val[i]);
+	}
+	return wpa_driver_roboswitch_reg(drv, page, reg, ROBO_MII_ADDR_WRITE);
+}
+
+
+static void wpa_driver_roboswitch_receive(void *priv, const u8 *src_addr,
+					  const u8 *buf, size_t len)
+{
+	struct wpa_driver_roboswitch_data *drv = priv;
+
+	if (len > 14 && WPA_GET_BE16(buf + 12) == ETH_P_EAPOL &&
+	    os_memcmp(buf, drv->own_addr, ETH_ALEN) == 0)
+		drv_event_eapol_rx(drv->ctx, src_addr, buf + 14, len - 14);
+}
+
+
+static int wpa_driver_roboswitch_get_ssid(void *priv, u8 *ssid)
+{
+	ssid[0] = 0;
+	return 0;
+}
+
+
+static int wpa_driver_roboswitch_get_bssid(void *priv, u8 *bssid)
+{
+	/* Report PAE group address as the "BSSID" for wired connection. */
+	os_memcpy(bssid, pae_group_addr, ETH_ALEN);
+	return 0;
+}
+
+
+static int wpa_driver_roboswitch_get_capa(void *priv,
+					  struct wpa_driver_capa *capa)
+{
+	os_memset(capa, 0, sizeof(*capa));
+	capa->flags = WPA_DRIVER_FLAGS_WIRED;
+	return 0;
+}
+
+
+static int wpa_driver_roboswitch_set_param(void *priv, const char *param)
+{
+	struct wpa_driver_roboswitch_data *drv = priv;
+	char *sep;
+
+	if (param == NULL || os_strstr(param, "multicast_only=1") == NULL) {
+		sep = drv->ifname + os_strlen(drv->ifname);
+		*sep = '.';
+		drv->l2 = l2_packet_init(drv->ifname, NULL, ETH_P_ALL,
+					 wpa_driver_roboswitch_receive, drv,
+					 1);
+		if (drv->l2 == NULL) {
+			wpa_printf(MSG_INFO, "%s: Unable to listen on %s",
+				   __func__, drv->ifname);
+			return -1;
+		}
+		*sep = '\0';
+		l2_packet_get_own_addr(drv->l2, drv->own_addr);
+	} else {
+		wpa_printf(MSG_DEBUG, "%s: Ignoring unicast frames", __func__);
+		drv->l2 = NULL;
+	}
+	return 0;
+}
+
+
+static const char * wpa_driver_roboswitch_get_ifname(void *priv)
+{
+	struct wpa_driver_roboswitch_data *drv = priv;
+	return drv->ifname;
+}
+
+
+static int wpa_driver_roboswitch_join(struct wpa_driver_roboswitch_data *drv,
+				      u16 ports, const u8 *addr)
+{
+	u16 read1[3], read2[3], addr_be16[3];
+
+	wpa_driver_roboswitch_addr_be16(addr, addr_be16);
+
+	if (wpa_driver_roboswitch_read(drv, ROBO_ARLCTRL_PAGE,
+				       ROBO_ARLCTRL_CONF, read1, 1) < 0)
+		return -1;
+	if (!(read1[0] & (1 << 4))) {
+		/* multiport addresses are not yet enabled */
+		read1[0] |= 1 << 4;
+		wpa_driver_roboswitch_write(drv, ROBO_ARLCTRL_PAGE,
+					    ROBO_ARLCTRL_ADDR_1, addr_be16, 3);
+		wpa_driver_roboswitch_write(drv, ROBO_ARLCTRL_PAGE,
+					    ROBO_ARLCTRL_VEC_1, &ports, 1);
+		wpa_driver_roboswitch_write(drv, ROBO_ARLCTRL_PAGE,
+					    ROBO_ARLCTRL_ADDR_2, addr_be16, 3);
+		wpa_driver_roboswitch_write(drv, ROBO_ARLCTRL_PAGE,
+					    ROBO_ARLCTRL_VEC_2, &ports, 1);
+		wpa_driver_roboswitch_write(drv, ROBO_ARLCTRL_PAGE,
+					    ROBO_ARLCTRL_CONF, read1, 1);
+	} else {
+		/* if both multiport addresses are the same we can add */
+		wpa_driver_roboswitch_read(drv, ROBO_ARLCTRL_PAGE,
+					   ROBO_ARLCTRL_ADDR_1, read1, 3);
+		wpa_driver_roboswitch_read(drv, ROBO_ARLCTRL_PAGE,
+					   ROBO_ARLCTRL_ADDR_2, read2, 3);
+		if (os_memcmp(read1, read2, 6) != 0)
+			return -1;
+		wpa_driver_roboswitch_read(drv, ROBO_ARLCTRL_PAGE,
+					   ROBO_ARLCTRL_VEC_1, read1, 1);
+		wpa_driver_roboswitch_read(drv, ROBO_ARLCTRL_PAGE,
+					   ROBO_ARLCTRL_VEC_2, read2, 1);
+		if (read1[0] != read2[0])
+			return -1;
+		wpa_driver_roboswitch_write(drv, ROBO_ARLCTRL_PAGE,
+					    ROBO_ARLCTRL_ADDR_1, addr_be16, 3);
+		wpa_driver_roboswitch_write(drv, ROBO_ARLCTRL_PAGE,
+					    ROBO_ARLCTRL_VEC_1, &ports, 1);
+	}
+	return 0;
+}
+
+
+static int wpa_driver_roboswitch_leave(struct wpa_driver_roboswitch_data *drv,
+				       u16 ports, const u8 *addr)
+{
+	u16 _read, addr_be16[3], addr_read[3], ports_read;
+
+	wpa_driver_roboswitch_addr_be16(addr, addr_be16);
+
+	wpa_driver_roboswitch_read(drv, ROBO_ARLCTRL_PAGE, ROBO_ARLCTRL_CONF,
+				   &_read, 1);
+	/* If ARL control is disabled, there is nothing to leave. */
+	if (!(_read & (1 << 4))) return -1;
+
+	wpa_driver_roboswitch_read(drv, ROBO_ARLCTRL_PAGE,
+				   ROBO_ARLCTRL_ADDR_1, addr_read, 3);
+	wpa_driver_roboswitch_read(drv, ROBO_ARLCTRL_PAGE, ROBO_ARLCTRL_VEC_1,
+				   &ports_read, 1);
+	/* check if we occupy multiport address 1 */
+	if (os_memcmp(addr_read, addr_be16, 6) == 0 && ports_read == ports) {
+		wpa_driver_roboswitch_read(drv, ROBO_ARLCTRL_PAGE,
+					   ROBO_ARLCTRL_ADDR_2, addr_read, 3);
+		wpa_driver_roboswitch_read(drv, ROBO_ARLCTRL_PAGE,
+					   ROBO_ARLCTRL_VEC_2, &ports_read, 1);
+		/* and multiport address 2 */
+		if (os_memcmp(addr_read, addr_be16, 6) == 0 &&
+		    ports_read == ports) {
+			_read &= ~(1 << 4);
+			wpa_driver_roboswitch_write(drv, ROBO_ARLCTRL_PAGE,
+						    ROBO_ARLCTRL_CONF, &_read,
+						    1);
+		} else {
+			wpa_driver_roboswitch_read(drv, ROBO_ARLCTRL_PAGE,
+						   ROBO_ARLCTRL_ADDR_1,
+						   addr_read, 3);
+			wpa_driver_roboswitch_read(drv, ROBO_ARLCTRL_PAGE,
+						   ROBO_ARLCTRL_VEC_1,
+						   &ports_read, 1);
+			wpa_driver_roboswitch_write(drv, ROBO_ARLCTRL_PAGE,
+						    ROBO_ARLCTRL_ADDR_2,
+						    addr_read, 3);
+			wpa_driver_roboswitch_write(drv, ROBO_ARLCTRL_PAGE,
+						    ROBO_ARLCTRL_VEC_2,
+						    &ports_read, 1);
+		}
+	} else {
+		wpa_driver_roboswitch_read(drv, ROBO_ARLCTRL_PAGE,
+					   ROBO_ARLCTRL_ADDR_2, addr_read, 3);
+		wpa_driver_roboswitch_read(drv, ROBO_ARLCTRL_PAGE,
+					   ROBO_ARLCTRL_VEC_2, &ports_read, 1);
+		/* or multiport address 2 */
+		if (os_memcmp(addr_read, addr_be16, 6) == 0 &&
+		    ports_read == ports) {
+			wpa_driver_roboswitch_write(drv, ROBO_ARLCTRL_PAGE,
+						    ROBO_ARLCTRL_ADDR_1,
+						    addr_read, 3);
+			wpa_driver_roboswitch_write(drv, ROBO_ARLCTRL_PAGE,
+						    ROBO_ARLCTRL_VEC_1,
+						    &ports_read, 1);
+		} else return -1;
+	}
+	return 0;
+}
+
+
+static void * wpa_driver_roboswitch_init(void *ctx, const char *ifname)
+{
+	struct wpa_driver_roboswitch_data *drv;
+	char *sep;
+	u16 vlan = 0, _read[2];
+
+	drv = os_zalloc(sizeof(*drv));
+	if (drv == NULL) return NULL;
+	drv->ctx = ctx;
+	drv->own_addr[0] = '\0';
+
+	/* copy ifname and take a pointer to the second to last character */
+	sep = drv->ifname +
+	      os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname)) - 2;
+	/* find the '.' seperating <interface> and <vlan> */
+	while (sep > drv->ifname && *sep != '.') sep--;
+	if (sep <= drv->ifname) {
+		wpa_printf(MSG_INFO, "%s: No <interface>.<vlan> pair in "
+			   "interface name %s", __func__, drv->ifname);
+		os_free(drv);
+		return NULL;
+	}
+	*sep = '\0';
+	while (*++sep) {
+		if (*sep < '0' || *sep > '9') {
+			wpa_printf(MSG_INFO, "%s: Invalid vlan specification "
+				   "in interface name %s", __func__, ifname);
+			os_free(drv);
+			return NULL;
+		}
+		vlan *= 10;
+		vlan += *sep - '0';
+		if (vlan > ROBO_VLAN_MAX) {
+			wpa_printf(MSG_INFO, "%s: VLAN out of range in "
+				   "interface name %s", __func__, ifname);
+			os_free(drv);
+			return NULL;
+		}
+	}
+
+	drv->fd = socket(PF_INET, SOCK_DGRAM, 0);
+	if (drv->fd < 0) {
+		wpa_printf(MSG_INFO, "%s: Unable to create socket", __func__);
+		os_free(drv);
+		return NULL;
+	}
+
+	os_memset(&drv->ifr, 0, sizeof(drv->ifr));
+	os_strlcpy(drv->ifr.ifr_name, drv->ifname, IFNAMSIZ);
+	if (ioctl(drv->fd, SIOCGMIIPHY, &drv->ifr) < 0) {
+		perror("ioctl[SIOCGMIIPHY]");
+		os_free(drv);
+		return NULL;
+	}
+	if (if_mii(&drv->ifr)->phy_id != ROBO_PHY_ADDR) {
+		wpa_printf(MSG_INFO, "%s: Invalid phy address (not a "
+			   "RoboSwitch?)", __func__);
+		os_free(drv);
+		return NULL;
+	}
+
+	/* set and read back to see if the register can be used */
+	_read[0] = ROBO_VLAN_MAX;
+	wpa_driver_roboswitch_write(drv, ROBO_VLAN_PAGE, ROBO_VLAN_ACCESS_5350,
+				    _read, 1);
+	wpa_driver_roboswitch_read(drv, ROBO_VLAN_PAGE, ROBO_VLAN_ACCESS_5350,
+				   _read + 1, 1);
+	drv->is_5350 = _read[0] == _read[1];
+
+	/* set the read bit */
+	vlan |= 1 << 13;
+	wpa_driver_roboswitch_write(drv, ROBO_VLAN_PAGE,
+				    drv->is_5350 ? ROBO_VLAN_ACCESS_5350
+						 : ROBO_VLAN_ACCESS,
+				    &vlan, 1);
+	wpa_driver_roboswitch_read(drv, ROBO_VLAN_PAGE, ROBO_VLAN_READ, _read,
+				   drv->is_5350 ? 2 : 1);
+	if (!(drv->is_5350 ? _read[1] & (1 << 4) : _read[0] & (1 << 14))) {
+		wpa_printf(MSG_INFO, "%s: Could not get port information for "
+				     "VLAN %d", __func__, vlan & ~(1 << 13));
+		os_free(drv);
+		return NULL;
+	}
+	drv->ports = _read[0] & 0x001F;
+	/* add the MII port */
+	drv->ports |= 1 << 8;
+	if (wpa_driver_roboswitch_join(drv, drv->ports, pae_group_addr) < 0) {
+		wpa_printf(MSG_INFO, "%s: Unable to join PAE group", __func__);
+		os_free(drv);
+		return NULL;
+	} else {
+		wpa_printf(MSG_DEBUG, "%s: Added PAE group address to "
+			   "RoboSwitch ARL", __func__);
+	}
+
+	return drv;
+}
+
+
+static void wpa_driver_roboswitch_deinit(void *priv)
+{
+	struct wpa_driver_roboswitch_data *drv = priv;
+
+	if (drv->l2) {
+		l2_packet_deinit(drv->l2);
+		drv->l2 = NULL;
+	}
+	if (wpa_driver_roboswitch_leave(drv, drv->ports, pae_group_addr) < 0) {
+		wpa_printf(MSG_DEBUG, "%s: Unable to leave PAE group",
+			   __func__);
+	}
+
+	close(drv->fd);
+	os_free(drv);
+}
+
+
+const struct wpa_driver_ops wpa_driver_roboswitch_ops = {
+	.name = "roboswitch",
+	.desc = "wpa_supplicant roboswitch driver",
+	.get_ssid = wpa_driver_roboswitch_get_ssid,
+	.get_bssid = wpa_driver_roboswitch_get_bssid,
+	.get_capa = wpa_driver_roboswitch_get_capa,
+	.init = wpa_driver_roboswitch_init,
+	.deinit = wpa_driver_roboswitch_deinit,
+	.set_param = wpa_driver_roboswitch_set_param,
+	.get_ifname = wpa_driver_roboswitch_get_ifname,
+};
diff --git a/src/drivers/driver_test.c b/src/drivers/driver_test.c
new file mode 100644
index 0000000..6bfa46d
--- /dev/null
+++ b/src/drivers/driver_test.c
@@ -0,0 +1,3391 @@
+/*
+ * Testing driver interface for a simulated network driver
+ * Copyright (c) 2004-2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+/* Make sure we get winsock2.h for Windows build to get sockaddr_storage */
+#include "build_config.h"
+#ifdef CONFIG_NATIVE_WINDOWS
+#include <winsock2.h>
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+#include "utils/includes.h"
+
+#ifndef CONFIG_NATIVE_WINDOWS
+#include <sys/un.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#define DRIVER_TEST_UNIX
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "utils/list.h"
+#include "utils/trace.h"
+#include "common/ieee802_11_defs.h"
+#include "crypto/sha1.h"
+#include "l2_packet/l2_packet.h"
+#include "p2p/p2p.h"
+#include "wps/wps.h"
+#include "driver.h"
+
+
+struct test_client_socket {
+	struct test_client_socket *next;
+	u8 addr[ETH_ALEN];
+	struct sockaddr_un un;
+	socklen_t unlen;
+	struct test_driver_bss *bss;
+};
+
+struct test_driver_bss {
+	struct wpa_driver_test_data *drv;
+	struct dl_list list;
+	void *bss_ctx;
+	char ifname[IFNAMSIZ];
+	u8 bssid[ETH_ALEN];
+	u8 *ie;
+	size_t ielen;
+	u8 *wps_beacon_ie;
+	size_t wps_beacon_ie_len;
+	u8 *wps_probe_resp_ie;
+	size_t wps_probe_resp_ie_len;
+	u8 ssid[32];
+	size_t ssid_len;
+	int privacy;
+};
+
+struct wpa_driver_test_global {
+	int bss_add_used;
+	u8 req_addr[ETH_ALEN];
+};
+
+struct wpa_driver_test_data {
+	struct wpa_driver_test_global *global;
+	void *ctx;
+	WPA_TRACE_REF(ctx);
+	u8 own_addr[ETH_ALEN];
+	int test_socket;
+#ifdef DRIVER_TEST_UNIX
+	struct sockaddr_un hostapd_addr;
+#endif /* DRIVER_TEST_UNIX */
+	int hostapd_addr_set;
+	struct sockaddr_in hostapd_addr_udp;
+	int hostapd_addr_udp_set;
+	char *own_socket_path;
+	char *test_dir;
+#define MAX_SCAN_RESULTS 30
+	struct wpa_scan_res *scanres[MAX_SCAN_RESULTS];
+	size_t num_scanres;
+	int use_associnfo;
+	u8 assoc_wpa_ie[80];
+	size_t assoc_wpa_ie_len;
+	int use_mlme;
+	int associated;
+	u8 *probe_req_ie;
+	size_t probe_req_ie_len;
+	u8 probe_req_ssid[32];
+	size_t probe_req_ssid_len;
+	int ibss;
+	int ap;
+
+	struct test_client_socket *cli;
+	struct dl_list bss;
+	int udp_port;
+
+	int alloc_iface_idx;
+
+	int probe_req_report;
+	unsigned int remain_on_channel_freq;
+	unsigned int remain_on_channel_duration;
+
+	int current_freq;
+
+	struct p2p_data *p2p;
+	unsigned int off_channel_freq;
+	struct wpabuf *pending_action_tx;
+	u8 pending_action_src[ETH_ALEN];
+	u8 pending_action_dst[ETH_ALEN];
+	u8 pending_action_bssid[ETH_ALEN];
+	unsigned int pending_action_freq;
+	unsigned int pending_listen_freq;
+	unsigned int pending_listen_duration;
+	int pending_p2p_scan;
+	struct sockaddr *probe_from;
+	socklen_t probe_from_len;
+};
+
+
+static void wpa_driver_test_deinit(void *priv);
+static int wpa_driver_test_attach(struct wpa_driver_test_data *drv,
+				  const char *dir, int ap);
+static void wpa_driver_test_close_test_socket(
+	struct wpa_driver_test_data *drv);
+static void test_remain_on_channel_timeout(void *eloop_ctx, void *timeout_ctx);
+static int wpa_driver_test_init_p2p(struct wpa_driver_test_data *drv);
+
+
+static void test_driver_free_bss(struct test_driver_bss *bss)
+{
+	os_free(bss->ie);
+	os_free(bss->wps_beacon_ie);
+	os_free(bss->wps_probe_resp_ie);
+	os_free(bss);
+}
+
+
+static void test_driver_free_bsses(struct wpa_driver_test_data *drv)
+{
+	struct test_driver_bss *bss, *tmp;
+
+	dl_list_for_each_safe(bss, tmp, &drv->bss, struct test_driver_bss,
+			      list) {
+		dl_list_del(&bss->list);
+		test_driver_free_bss(bss);
+	}
+}
+
+
+static struct test_client_socket *
+test_driver_get_cli(struct wpa_driver_test_data *drv, struct sockaddr_un *from,
+		    socklen_t fromlen)
+{
+	struct test_client_socket *cli = drv->cli;
+
+	while (cli) {
+		if (cli->unlen == fromlen &&
+		    strncmp(cli->un.sun_path, from->sun_path,
+			    fromlen - sizeof(cli->un.sun_family)) == 0)
+			return cli;
+		cli = cli->next;
+	}
+
+	return NULL;
+}
+
+
+static int test_driver_send_eapol(void *priv, const u8 *addr, const u8 *data,
+				  size_t data_len, int encrypt,
+				  const u8 *own_addr, u32 flags)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	struct test_client_socket *cli;
+	struct msghdr msg;
+	struct iovec io[3];
+	struct l2_ethhdr eth;
+
+	if (drv->test_socket < 0)
+		return -1;
+
+	cli = drv->cli;
+	while (cli) {
+		if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
+			break;
+		cli = cli->next;
+	}
+
+	if (!cli) {
+		wpa_printf(MSG_DEBUG, "%s: no destination client entry",
+			   __func__);
+		return -1;
+	}
+
+	memcpy(eth.h_dest, addr, ETH_ALEN);
+	memcpy(eth.h_source, own_addr, ETH_ALEN);
+	eth.h_proto = host_to_be16(ETH_P_EAPOL);
+
+	io[0].iov_base = "EAPOL ";
+	io[0].iov_len = 6;
+	io[1].iov_base = &eth;
+	io[1].iov_len = sizeof(eth);
+	io[2].iov_base = (u8 *) data;
+	io[2].iov_len = data_len;
+
+	memset(&msg, 0, sizeof(msg));
+	msg.msg_iov = io;
+	msg.msg_iovlen = 3;
+	msg.msg_name = &cli->un;
+	msg.msg_namelen = cli->unlen;
+	return sendmsg(drv->test_socket, &msg, 0);
+}
+
+
+static int test_driver_send_ether(void *priv, const u8 *dst, const u8 *src,
+				  u16 proto, const u8 *data, size_t data_len)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	struct msghdr msg;
+	struct iovec io[3];
+	struct l2_ethhdr eth;
+	char desttxt[30];
+	struct sockaddr_un addr;
+	struct dirent *dent;
+	DIR *dir;
+	int ret = 0, broadcast = 0, count = 0;
+
+	if (drv->test_socket < 0 || drv->test_dir == NULL) {
+		wpa_printf(MSG_DEBUG, "%s: invalid parameters (sock=%d "
+			   "test_dir=%p)",
+			   __func__, drv->test_socket, drv->test_dir);
+		return -1;
+	}
+
+	broadcast = memcmp(dst, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0;
+	snprintf(desttxt, sizeof(desttxt), MACSTR, MAC2STR(dst));
+
+	memcpy(eth.h_dest, dst, ETH_ALEN);
+	memcpy(eth.h_source, src, ETH_ALEN);
+	eth.h_proto = host_to_be16(proto);
+
+	io[0].iov_base = "ETHER ";
+	io[0].iov_len = 6;
+	io[1].iov_base = &eth;
+	io[1].iov_len = sizeof(eth);
+	io[2].iov_base = (u8 *) data;
+	io[2].iov_len = data_len;
+
+	memset(&msg, 0, sizeof(msg));
+	msg.msg_iov = io;
+	msg.msg_iovlen = 3;
+
+	dir = opendir(drv->test_dir);
+	if (dir == NULL) {
+		perror("test_driver: opendir");
+		return -1;
+	}
+	while ((dent = readdir(dir))) {
+#ifdef _DIRENT_HAVE_D_TYPE
+		/* Skip the file if it is not a socket. Also accept
+		 * DT_UNKNOWN (0) in case the C library or underlying file
+		 * system does not support d_type. */
+		if (dent->d_type != DT_SOCK && dent->d_type != DT_UNKNOWN)
+			continue;
+#endif /* _DIRENT_HAVE_D_TYPE */
+		if (strcmp(dent->d_name, ".") == 0 ||
+		    strcmp(dent->d_name, "..") == 0)
+			continue;
+
+		memset(&addr, 0, sizeof(addr));
+		addr.sun_family = AF_UNIX;
+		snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s",
+			 drv->test_dir, dent->d_name);
+
+		if (strcmp(addr.sun_path, drv->own_socket_path) == 0)
+			continue;
+		if (!broadcast && strstr(dent->d_name, desttxt) == NULL)
+			continue;
+
+		wpa_printf(MSG_DEBUG, "%s: Send ether frame to %s",
+			   __func__, dent->d_name);
+
+		msg.msg_name = &addr;
+		msg.msg_namelen = sizeof(addr);
+		ret = sendmsg(drv->test_socket, &msg, 0);
+		if (ret < 0)
+			perror("driver_test: sendmsg");
+		count++;
+	}
+	closedir(dir);
+
+	if (!broadcast && count == 0) {
+		wpa_printf(MSG_DEBUG, "%s: Destination " MACSTR " not found",
+			   __func__, MAC2STR(dst));
+		return -1;
+	}
+
+	return ret;
+}
+
+
+static int wpa_driver_test_send_mlme(void *priv, const u8 *data,
+				     size_t data_len)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	struct msghdr msg;
+	struct iovec io[2];
+	const u8 *dest;
+	struct sockaddr_un addr;
+	struct dirent *dent;
+	DIR *dir;
+	int broadcast;
+	int ret = 0;
+	struct ieee80211_hdr *hdr;
+	u16 fc;
+	char cmd[50];
+	int freq;
+#ifdef HOSTAPD
+	char desttxt[30];
+#endif /* HOSTAPD */
+	union wpa_event_data event;
+
+	wpa_hexdump(MSG_MSGDUMP, "test_send_mlme", data, data_len);
+	if (drv->test_socket < 0 || data_len < 10) {
+		wpa_printf(MSG_DEBUG, "%s: invalid parameters (sock=%d len=%lu"
+			   " test_dir=%p)",
+			   __func__, drv->test_socket,
+			   (unsigned long) data_len,
+			   drv->test_dir);
+		return -1;
+	}
+
+	dest = data + 4;
+	broadcast = os_memcmp(dest, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0;
+
+#ifdef HOSTAPD
+	snprintf(desttxt, sizeof(desttxt), MACSTR, MAC2STR(dest));
+#endif /* HOSTAPD */
+
+	if (drv->remain_on_channel_freq)
+		freq = drv->remain_on_channel_freq;
+	else
+		freq = drv->current_freq;
+	wpa_printf(MSG_DEBUG, "test_driver(%s): MLME TX on freq %d MHz",
+		   dbss->ifname, freq);
+	os_snprintf(cmd, sizeof(cmd), "MLME freq=%d ", freq);
+	io[0].iov_base = cmd;
+	io[0].iov_len = os_strlen(cmd);
+	io[1].iov_base = (void *) data;
+	io[1].iov_len = data_len;
+
+	os_memset(&msg, 0, sizeof(msg));
+	msg.msg_iov = io;
+	msg.msg_iovlen = 2;
+
+#ifdef HOSTAPD
+	if (drv->test_dir == NULL) {
+		wpa_printf(MSG_DEBUG, "%s: test_dir == NULL", __func__);
+		return -1;
+	}
+
+	dir = opendir(drv->test_dir);
+	if (dir == NULL) {
+		perror("test_driver: opendir");
+		return -1;
+	}
+	while ((dent = readdir(dir))) {
+#ifdef _DIRENT_HAVE_D_TYPE
+		/* Skip the file if it is not a socket. Also accept
+		 * DT_UNKNOWN (0) in case the C library or underlying file
+		 * system does not support d_type. */
+		if (dent->d_type != DT_SOCK && dent->d_type != DT_UNKNOWN)
+			continue;
+#endif /* _DIRENT_HAVE_D_TYPE */
+		if (os_strcmp(dent->d_name, ".") == 0 ||
+		    os_strcmp(dent->d_name, "..") == 0)
+			continue;
+
+		os_memset(&addr, 0, sizeof(addr));
+		addr.sun_family = AF_UNIX;
+		os_snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s",
+			    drv->test_dir, dent->d_name);
+
+		if (os_strcmp(addr.sun_path, drv->own_socket_path) == 0)
+			continue;
+		if (!broadcast && os_strstr(dent->d_name, desttxt) == NULL)
+			continue;
+
+		wpa_printf(MSG_DEBUG, "%s: Send management frame to %s",
+			   __func__, dent->d_name);
+
+		msg.msg_name = &addr;
+		msg.msg_namelen = sizeof(addr);
+		ret = sendmsg(drv->test_socket, &msg, 0);
+		if (ret < 0)
+			perror("driver_test: sendmsg(test_socket)");
+	}
+	closedir(dir);
+#else /* HOSTAPD */
+
+	if (os_memcmp(dest, dbss->bssid, ETH_ALEN) == 0 ||
+	    drv->test_dir == NULL) {
+		if (drv->hostapd_addr_udp_set) {
+			msg.msg_name = &drv->hostapd_addr_udp;
+			msg.msg_namelen = sizeof(drv->hostapd_addr_udp);
+		} else {
+#ifdef DRIVER_TEST_UNIX
+			msg.msg_name = &drv->hostapd_addr;
+			msg.msg_namelen = sizeof(drv->hostapd_addr);
+#endif /* DRIVER_TEST_UNIX */
+		}
+	} else if (broadcast) {
+		dir = opendir(drv->test_dir);
+		if (dir == NULL)
+			return -1;
+		while ((dent = readdir(dir))) {
+#ifdef _DIRENT_HAVE_D_TYPE
+			/* Skip the file if it is not a socket.
+			 * Also accept DT_UNKNOWN (0) in case
+			 * the C library or underlying file
+			 * system does not support d_type. */
+			if (dent->d_type != DT_SOCK &&
+			    dent->d_type != DT_UNKNOWN)
+				continue;
+#endif /* _DIRENT_HAVE_D_TYPE */
+			if (os_strcmp(dent->d_name, ".") == 0 ||
+			    os_strcmp(dent->d_name, "..") == 0)
+				continue;
+			wpa_printf(MSG_DEBUG, "%s: Send broadcast MLME to %s",
+				   __func__, dent->d_name);
+			os_memset(&addr, 0, sizeof(addr));
+			addr.sun_family = AF_UNIX;
+			os_snprintf(addr.sun_path, sizeof(addr.sun_path),
+				    "%s/%s", drv->test_dir, dent->d_name);
+
+			msg.msg_name = &addr;
+			msg.msg_namelen = sizeof(addr);
+
+			ret = sendmsg(drv->test_socket, &msg, 0);
+			if (ret < 0)
+				perror("driver_test: sendmsg(test_socket)");
+		}
+		closedir(dir);
+		return ret;
+	} else {
+		struct stat st;
+		os_memset(&addr, 0, sizeof(addr));
+		addr.sun_family = AF_UNIX;
+		os_snprintf(addr.sun_path, sizeof(addr.sun_path),
+			    "%s/AP-" MACSTR, drv->test_dir, MAC2STR(dest));
+		if (stat(addr.sun_path, &st) < 0) {
+			os_snprintf(addr.sun_path, sizeof(addr.sun_path),
+				    "%s/STA-" MACSTR,
+				    drv->test_dir, MAC2STR(dest));
+		}
+		msg.msg_name = &addr;
+		msg.msg_namelen = sizeof(addr);
+	}
+
+	if (sendmsg(drv->test_socket, &msg, 0) < 0) {
+		perror("sendmsg(test_socket)");
+		return -1;
+	}
+#endif /* HOSTAPD */
+
+	hdr = (struct ieee80211_hdr *) data;
+	fc = le_to_host16(hdr->frame_control);
+
+	os_memset(&event, 0, sizeof(event));
+	event.tx_status.type = WLAN_FC_GET_TYPE(fc);
+	event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
+	event.tx_status.dst = hdr->addr1;
+	event.tx_status.data = data;
+	event.tx_status.data_len = data_len;
+	event.tx_status.ack = ret >= 0;
+	wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
+
+#ifdef CONFIG_P2P
+	if (drv->p2p &&
+	    WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
+	    WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
+		if (drv->pending_action_tx == NULL) {
+			wpa_printf(MSG_DEBUG, "P2P: Ignore Action TX status - "
+				   "no pending operation");
+			return ret;
+		}
+
+		if (os_memcmp(hdr->addr1, drv->pending_action_dst, ETH_ALEN) !=
+		    0) {
+			wpa_printf(MSG_DEBUG, "P2P: Ignore Action TX status - "
+				   "unknown destination address");
+			return ret;
+		}
+
+		wpabuf_free(drv->pending_action_tx);
+		drv->pending_action_tx = NULL;
+
+		p2p_send_action_cb(drv->p2p, drv->pending_action_freq,
+				   drv->pending_action_dst,
+				   drv->pending_action_src,
+				   drv->pending_action_bssid,
+				   ret >= 0);
+	}
+#endif /* CONFIG_P2P */
+
+	return ret;
+}
+
+
+static void test_driver_scan(struct wpa_driver_test_data *drv,
+			     struct sockaddr_un *from, socklen_t fromlen,
+			     char *data)
+{
+	char buf[512], *pos, *end;
+	int ret;
+	struct test_driver_bss *bss;
+	u8 sa[ETH_ALEN];
+	u8 ie[512];
+	size_t ielen;
+	union wpa_event_data event;
+
+	/* data: optional [ ' ' | STA-addr | ' ' | IEs(hex) ] */
+
+	wpa_printf(MSG_DEBUG, "test_driver: SCAN");
+
+	if (*data) {
+		if (*data != ' ' ||
+		    hwaddr_aton(data + 1, sa)) {
+			wpa_printf(MSG_DEBUG, "test_driver: Unexpected SCAN "
+				   "command format");
+			return;
+		}
+
+		data += 18;
+		while (*data == ' ')
+			data++;
+		ielen = os_strlen(data) / 2;
+		if (ielen > sizeof(ie))
+			ielen = sizeof(ie);
+		if (hexstr2bin(data, ie, ielen) < 0)
+			ielen = 0;
+
+		wpa_printf(MSG_DEBUG, "test_driver: Scan from " MACSTR,
+			   MAC2STR(sa));
+		wpa_hexdump(MSG_MSGDUMP, "test_driver: scan IEs", ie, ielen);
+
+		os_memset(&event, 0, sizeof(event));
+		event.rx_probe_req.sa = sa;
+		event.rx_probe_req.ie = ie;
+		event.rx_probe_req.ie_len = ielen;
+		wpa_supplicant_event(drv->ctx, EVENT_RX_PROBE_REQ, &event);
+#ifdef CONFIG_P2P
+		if (drv->p2p)
+			p2p_probe_req_rx(drv->p2p, sa, ie, ielen);
+#endif /* CONFIG_P2P */
+	}
+
+	dl_list_for_each(bss, &drv->bss, struct test_driver_bss, list) {
+		pos = buf;
+		end = buf + sizeof(buf);
+
+		/* reply: SCANRESP BSSID SSID IEs */
+		ret = snprintf(pos, end - pos, "SCANRESP " MACSTR " ",
+			       MAC2STR(bss->bssid));
+		if (ret < 0 || ret >= end - pos)
+			return;
+		pos += ret;
+		pos += wpa_snprintf_hex(pos, end - pos,
+					bss->ssid, bss->ssid_len);
+		ret = snprintf(pos, end - pos, " ");
+		if (ret < 0 || ret >= end - pos)
+			return;
+		pos += ret;
+		pos += wpa_snprintf_hex(pos, end - pos, bss->ie, bss->ielen);
+		pos += wpa_snprintf_hex(pos, end - pos, bss->wps_probe_resp_ie,
+					bss->wps_probe_resp_ie_len);
+
+		if (bss->privacy) {
+			ret = snprintf(pos, end - pos, " PRIVACY");
+			if (ret < 0 || ret >= end - pos)
+				return;
+			pos += ret;
+		}
+
+		sendto(drv->test_socket, buf, pos - buf, 0,
+		       (struct sockaddr *) from, fromlen);
+	}
+}
+
+
+static void test_driver_assoc(struct wpa_driver_test_data *drv,
+			      struct sockaddr_un *from, socklen_t fromlen,
+			      char *data)
+{
+	struct test_client_socket *cli;
+	u8 ie[256], ssid[32];
+	size_t ielen, ssid_len = 0;
+	char *pos, *pos2, cmd[50];
+	struct test_driver_bss *bss, *tmp;
+
+	/* data: STA-addr SSID(hex) IEs(hex) */
+
+	cli = os_zalloc(sizeof(*cli));
+	if (cli == NULL)
+		return;
+
+	if (hwaddr_aton(data, cli->addr)) {
+		printf("test_socket: Invalid MAC address '%s' in ASSOC\n",
+		       data);
+		os_free(cli);
+		return;
+	}
+	pos = data + 17;
+	while (*pos == ' ')
+		pos++;
+	pos2 = strchr(pos, ' ');
+	ielen = 0;
+	if (pos2) {
+		ssid_len = (pos2 - pos) / 2;
+		if (hexstr2bin(pos, ssid, ssid_len) < 0) {
+			wpa_printf(MSG_DEBUG, "%s: Invalid SSID", __func__);
+			os_free(cli);
+			return;
+		}
+		wpa_hexdump_ascii(MSG_DEBUG, "test_driver_assoc: SSID",
+				  ssid, ssid_len);
+
+		pos = pos2 + 1;
+		ielen = strlen(pos) / 2;
+		if (ielen > sizeof(ie))
+			ielen = sizeof(ie);
+		if (hexstr2bin(pos, ie, ielen) < 0)
+			ielen = 0;
+	}
+
+	bss = NULL;
+	dl_list_for_each(tmp, &drv->bss, struct test_driver_bss, list) {
+		if (tmp->ssid_len == ssid_len &&
+		    os_memcmp(tmp->ssid, ssid, ssid_len) == 0) {
+			bss = tmp;
+			break;
+		}
+	}
+	if (bss == NULL) {
+		wpa_printf(MSG_DEBUG, "%s: No matching SSID found from "
+			   "configured BSSes", __func__);
+		os_free(cli);
+		return;
+	}
+
+	cli->bss = bss;
+	memcpy(&cli->un, from, sizeof(cli->un));
+	cli->unlen = fromlen;
+	cli->next = drv->cli;
+	drv->cli = cli;
+	wpa_hexdump_ascii(MSG_DEBUG, "test_socket: ASSOC sun_path",
+			  (const u8 *) cli->un.sun_path,
+			  cli->unlen - sizeof(cli->un.sun_family));
+
+	snprintf(cmd, sizeof(cmd), "ASSOCRESP " MACSTR " 0",
+		 MAC2STR(bss->bssid));
+	sendto(drv->test_socket, cmd, strlen(cmd), 0,
+	       (struct sockaddr *) from, fromlen);
+
+	drv_event_assoc(bss->bss_ctx, cli->addr, ie, ielen, 0);
+}
+
+
+static void test_driver_disassoc(struct wpa_driver_test_data *drv,
+				 struct sockaddr_un *from, socklen_t fromlen)
+{
+	struct test_client_socket *cli;
+
+	cli = test_driver_get_cli(drv, from, fromlen);
+	if (!cli)
+		return;
+
+	drv_event_disassoc(drv->ctx, cli->addr);
+}
+
+
+static void test_driver_eapol(struct wpa_driver_test_data *drv,
+			      struct sockaddr_un *from, socklen_t fromlen,
+			      u8 *data, size_t datalen)
+{
+#ifdef HOSTAPD
+	struct test_client_socket *cli;
+#endif /* HOSTAPD */
+	const u8 *src = NULL;
+
+	if (datalen > 14) {
+		/* Skip Ethernet header */
+		src = data + ETH_ALEN;
+		wpa_printf(MSG_DEBUG, "test_driver: dst=" MACSTR " src="
+			   MACSTR " proto=%04x",
+			   MAC2STR(data), MAC2STR(src),
+			   WPA_GET_BE16(data + 2 * ETH_ALEN));
+		data += 14;
+		datalen -= 14;
+	}
+
+#ifdef HOSTAPD
+	cli = test_driver_get_cli(drv, from, fromlen);
+	if (cli) {
+		drv_event_eapol_rx(cli->bss->bss_ctx, cli->addr, data,
+				   datalen);
+	} else {
+		wpa_printf(MSG_DEBUG, "test_socket: EAPOL from unknown "
+			   "client");
+	}
+#else /* HOSTAPD */
+	if (src)
+		drv_event_eapol_rx(drv->ctx, src, data, datalen);
+#endif /* HOSTAPD */
+}
+
+
+static void test_driver_ether(struct wpa_driver_test_data *drv,
+			      struct sockaddr_un *from, socklen_t fromlen,
+			      u8 *data, size_t datalen)
+{
+	struct l2_ethhdr *eth;
+
+	if (datalen < sizeof(*eth))
+		return;
+
+	eth = (struct l2_ethhdr *) data;
+	wpa_printf(MSG_DEBUG, "test_driver: RX ETHER dst=" MACSTR " src="
+		   MACSTR " proto=%04x",
+		   MAC2STR(eth->h_dest), MAC2STR(eth->h_source),
+		   be_to_host16(eth->h_proto));
+
+#ifdef CONFIG_IEEE80211R
+	if (be_to_host16(eth->h_proto) == ETH_P_RRB) {
+		union wpa_event_data ev;
+		os_memset(&ev, 0, sizeof(ev));
+		ev.ft_rrb_rx.src = eth->h_source;
+		ev.ft_rrb_rx.data = data + sizeof(*eth);
+		ev.ft_rrb_rx.data_len = datalen - sizeof(*eth);
+	}
+#endif /* CONFIG_IEEE80211R */
+}
+
+
+static void test_driver_mlme(struct wpa_driver_test_data *drv,
+			     struct sockaddr_un *from, socklen_t fromlen,
+			     u8 *data, size_t datalen)
+{
+	struct ieee80211_hdr *hdr;
+	u16 fc;
+	union wpa_event_data event;
+	int freq = 0, own_freq;
+	struct test_driver_bss *bss;
+
+	bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
+
+	if (datalen > 6 && os_memcmp(data, "freq=", 5) == 0) {
+		size_t pos;
+		for (pos = 5; pos < datalen; pos++) {
+			if (data[pos] == ' ')
+				break;
+		}
+		if (pos < datalen) {
+			freq = atoi((const char *) &data[5]);
+			wpa_printf(MSG_DEBUG, "test_driver(%s): MLME RX on "
+				   "freq %d MHz", bss->ifname, freq);
+			pos++;
+			data += pos;
+			datalen -= pos;
+		}
+	}
+
+	if (drv->remain_on_channel_freq)
+		own_freq = drv->remain_on_channel_freq;
+	else
+		own_freq = drv->current_freq;
+
+	if (freq && own_freq && freq != own_freq) {
+		wpa_printf(MSG_DEBUG, "test_driver(%s): Ignore MLME RX on "
+			   "another frequency %d MHz (own %d MHz)",
+			   bss->ifname, freq, own_freq);
+		return;
+	}
+
+	hdr = (struct ieee80211_hdr *) data;
+
+	if (test_driver_get_cli(drv, from, fromlen) == NULL && datalen >= 16) {
+		struct test_client_socket *cli;
+		cli = os_zalloc(sizeof(*cli));
+		if (cli == NULL)
+			return;
+		wpa_printf(MSG_DEBUG, "Adding client entry for " MACSTR,
+			   MAC2STR(hdr->addr2));
+		memcpy(cli->addr, hdr->addr2, ETH_ALEN);
+		memcpy(&cli->un, from, sizeof(cli->un));
+		cli->unlen = fromlen;
+		cli->next = drv->cli;
+		drv->cli = cli;
+	}
+
+	wpa_hexdump(MSG_MSGDUMP, "test_driver_mlme: received frame",
+		    data, datalen);
+	fc = le_to_host16(hdr->frame_control);
+	if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT) {
+		wpa_printf(MSG_ERROR, "%s: received non-mgmt frame",
+			   __func__);
+		return;
+	}
+
+	os_memset(&event, 0, sizeof(event));
+	event.rx_mgmt.frame = data;
+	event.rx_mgmt.frame_len = datalen;
+	wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
+}
+
+
+static void test_driver_receive_unix(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	struct wpa_driver_test_data *drv = eloop_ctx;
+	char buf[2000];
+	int res;
+	struct sockaddr_un from;
+	socklen_t fromlen = sizeof(from);
+
+	res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
+		       (struct sockaddr *) &from, &fromlen);
+	if (res < 0) {
+		perror("recvfrom(test_socket)");
+		return;
+	}
+	buf[res] = '\0';
+
+	wpa_printf(MSG_DEBUG, "test_driver: received %u bytes", res);
+
+	if (strncmp(buf, "SCAN", 4) == 0) {
+		test_driver_scan(drv, &from, fromlen, buf + 4);
+	} else if (strncmp(buf, "ASSOC ", 6) == 0) {
+		test_driver_assoc(drv, &from, fromlen, buf + 6);
+	} else if (strcmp(buf, "DISASSOC") == 0) {
+		test_driver_disassoc(drv, &from, fromlen);
+	} else if (strncmp(buf, "EAPOL ", 6) == 0) {
+		test_driver_eapol(drv, &from, fromlen, (u8 *) buf + 6,
+				  res - 6);
+	} else if (strncmp(buf, "ETHER ", 6) == 0) {
+		test_driver_ether(drv, &from, fromlen, (u8 *) buf + 6,
+				  res - 6);
+	} else if (strncmp(buf, "MLME ", 5) == 0) {
+		test_driver_mlme(drv, &from, fromlen, (u8 *) buf + 5, res - 5);
+	} else {
+		wpa_hexdump_ascii(MSG_DEBUG, "Unknown test_socket command",
+				  (u8 *) buf, res);
+	}
+}
+
+
+static int test_driver_set_generic_elem(void *priv,
+					const u8 *elem, size_t elem_len)
+{
+	struct test_driver_bss *bss = priv;
+
+	os_free(bss->ie);
+
+	if (elem == NULL) {
+		bss->ie = NULL;
+		bss->ielen = 0;
+		return 0;
+	}
+
+	bss->ie = os_malloc(elem_len);
+	if (bss->ie == NULL) {
+		bss->ielen = 0;
+		return -1;
+	}
+
+	memcpy(bss->ie, elem, elem_len);
+	bss->ielen = elem_len;
+	return 0;
+}
+
+
+static int test_driver_set_ap_wps_ie(void *priv, const struct wpabuf *beacon,
+				     const struct wpabuf *proberesp,
+				     const struct wpabuf *assocresp)
+{
+	struct test_driver_bss *bss = priv;
+
+	if (beacon == NULL)
+		wpa_printf(MSG_DEBUG, "test_driver: Clear Beacon WPS IE");
+	else
+		wpa_hexdump_buf(MSG_DEBUG, "test_driver: Beacon WPS IE",
+				beacon);
+
+	os_free(bss->wps_beacon_ie);
+
+	if (beacon == NULL) {
+		bss->wps_beacon_ie = NULL;
+		bss->wps_beacon_ie_len = 0;
+	} else {
+		bss->wps_beacon_ie = os_malloc(wpabuf_len(beacon));
+		if (bss->wps_beacon_ie == NULL) {
+			bss->wps_beacon_ie_len = 0;
+			return -1;
+		}
+
+		os_memcpy(bss->wps_beacon_ie, wpabuf_head(beacon),
+			  wpabuf_len(beacon));
+		bss->wps_beacon_ie_len = wpabuf_len(beacon);
+	}
+
+	if (proberesp == NULL)
+		wpa_printf(MSG_DEBUG, "test_driver: Clear Probe Response WPS "
+			   "IE");
+	else
+		wpa_hexdump_buf(MSG_DEBUG, "test_driver: Probe Response WPS "
+				"IE", proberesp);
+
+	os_free(bss->wps_probe_resp_ie);
+
+	if (proberesp == NULL) {
+		bss->wps_probe_resp_ie = NULL;
+		bss->wps_probe_resp_ie_len = 0;
+	} else {
+		bss->wps_probe_resp_ie = os_malloc(wpabuf_len(proberesp));
+		if (bss->wps_probe_resp_ie == NULL) {
+			bss->wps_probe_resp_ie_len = 0;
+			return -1;
+		}
+
+		os_memcpy(bss->wps_probe_resp_ie, wpabuf_head(proberesp),
+			  wpabuf_len(proberesp));
+		bss->wps_probe_resp_ie_len = wpabuf_len(proberesp);
+	}
+
+	return 0;
+}
+
+
+static int test_driver_sta_deauth(void *priv, const u8 *own_addr,
+				  const u8 *addr, int reason)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	struct test_client_socket *cli;
+
+	if (drv->test_socket < 0)
+		return -1;
+
+	cli = drv->cli;
+	while (cli) {
+		if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
+			break;
+		cli = cli->next;
+	}
+
+	if (!cli)
+		return -1;
+
+	return sendto(drv->test_socket, "DEAUTH", 6, 0,
+		      (struct sockaddr *) &cli->un, cli->unlen);
+}
+
+
+static int test_driver_sta_disassoc(void *priv, const u8 *own_addr,
+				    const u8 *addr, int reason)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	struct test_client_socket *cli;
+
+	if (drv->test_socket < 0)
+		return -1;
+
+	cli = drv->cli;
+	while (cli) {
+		if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
+			break;
+		cli = cli->next;
+	}
+
+	if (!cli)
+		return -1;
+
+	return sendto(drv->test_socket, "DISASSOC", 8, 0,
+		      (struct sockaddr *) &cli->un, cli->unlen);
+}
+
+
+static int test_driver_bss_add(void *priv, const char *ifname, const u8 *bssid,
+			       void *bss_ctx, void **drv_priv)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	struct test_driver_bss *bss;
+
+	wpa_printf(MSG_DEBUG, "%s(ifname=%s bssid=" MACSTR ")",
+		   __func__, ifname, MAC2STR(bssid));
+
+	bss = os_zalloc(sizeof(*bss));
+	if (bss == NULL)
+		return -1;
+
+	bss->bss_ctx = bss_ctx;
+	bss->drv = drv;
+	os_strlcpy(bss->ifname, ifname, IFNAMSIZ);
+	os_memcpy(bss->bssid, bssid, ETH_ALEN);
+
+	dl_list_add(&drv->bss, &bss->list);
+	if (drv->global) {
+		drv->global->bss_add_used = 1;
+		os_memcpy(drv->global->req_addr, bssid, ETH_ALEN);
+	}
+
+	if (drv_priv)
+		*drv_priv = bss;
+
+	return 0;
+}
+
+
+static int test_driver_bss_remove(void *priv, const char *ifname)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	struct test_driver_bss *bss;
+	struct test_client_socket *cli, *prev_c;
+
+	wpa_printf(MSG_DEBUG, "%s(ifname=%s)", __func__, ifname);
+
+	dl_list_for_each(bss, &drv->bss, struct test_driver_bss, list) {
+		if (strcmp(bss->ifname, ifname) != 0)
+			continue;
+
+		for (prev_c = NULL, cli = drv->cli; cli;
+		     prev_c = cli, cli = cli->next) {
+			if (cli->bss != bss)
+				continue;
+			if (prev_c)
+				prev_c->next = cli->next;
+			else
+				drv->cli = cli->next;
+			os_free(cli);
+			break;
+		}
+
+		dl_list_del(&bss->list);
+		test_driver_free_bss(bss);
+		return 0;
+	}
+
+	return -1;
+}
+
+
+static int test_driver_if_add(void *priv, enum wpa_driver_if_type type,
+			      const char *ifname, const u8 *addr,
+			      void *bss_ctx, void **drv_priv,
+			      char *force_ifname, u8 *if_addr,
+			      const char *bridge)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+
+	wpa_printf(MSG_DEBUG, "%s(type=%d ifname=%s bss_ctx=%p)",
+		   __func__, type, ifname, bss_ctx);
+	if (addr)
+		os_memcpy(if_addr, addr, ETH_ALEN);
+	else {
+		drv->alloc_iface_idx++;
+		if_addr[0] = 0x02; /* locally administered */
+		sha1_prf(drv->own_addr, ETH_ALEN,
+			 "hostapd test addr generation",
+			 (const u8 *) &drv->alloc_iface_idx,
+			 sizeof(drv->alloc_iface_idx),
+			 if_addr + 1, ETH_ALEN - 1);
+	}
+	if (type == WPA_IF_AP_BSS || type == WPA_IF_P2P_GO ||
+	    type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP)
+		return test_driver_bss_add(priv, ifname, if_addr, bss_ctx,
+					   drv_priv);
+	return 0;
+}
+
+
+static int test_driver_if_remove(void *priv, enum wpa_driver_if_type type,
+				 const char *ifname)
+{
+	wpa_printf(MSG_DEBUG, "%s(type=%d ifname=%s)", __func__, type, ifname);
+	if (type == WPA_IF_AP_BSS || type == WPA_IF_P2P_GO ||
+	    type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP)
+		return test_driver_bss_remove(priv, ifname);
+	return 0;
+}
+
+
+static int test_driver_valid_bss_mask(void *priv, const u8 *addr,
+				      const u8 *mask)
+{
+	return 0;
+}
+
+
+static int test_driver_set_ssid(void *priv, const u8 *buf, int len)
+{
+	struct test_driver_bss *bss = priv;
+
+	wpa_printf(MSG_DEBUG, "%s(ifname=%s)", __func__, bss->ifname);
+	if (len < 0)
+		return -1;
+	wpa_hexdump_ascii(MSG_DEBUG, "test_driver_set_ssid: SSID", buf, len);
+
+	if ((size_t) len > sizeof(bss->ssid))
+		return -1;
+
+	os_memcpy(bss->ssid, buf, len);
+	bss->ssid_len = len;
+
+	return 0;
+}
+
+
+static int test_driver_set_privacy(void *priv, int enabled)
+{
+	struct test_driver_bss *dbss = priv;
+
+	wpa_printf(MSG_DEBUG, "%s(enabled=%d)",  __func__, enabled);
+	dbss->privacy = enabled;
+
+	return 0;
+}
+
+
+static int test_driver_set_sta_vlan(void *priv, const u8 *addr,
+				    const char *ifname, int vlan_id)
+{
+	wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " ifname=%s vlan_id=%d)",
+		   __func__, MAC2STR(addr), ifname, vlan_id);
+	return 0;
+}
+
+
+static int test_driver_sta_add(void *priv,
+			       struct hostapd_sta_add_params *params)
+{
+	struct test_driver_bss *bss = priv;
+	struct wpa_driver_test_data *drv = bss->drv;
+	struct test_client_socket *cli;
+
+	wpa_printf(MSG_DEBUG, "%s(ifname=%s addr=" MACSTR " aid=%d "
+		   "capability=0x%x listen_interval=%d)",
+		   __func__, bss->ifname, MAC2STR(params->addr), params->aid,
+		   params->capability, params->listen_interval);
+	wpa_hexdump(MSG_DEBUG, "test_driver_sta_add - supp_rates",
+		    params->supp_rates, params->supp_rates_len);
+
+	cli = drv->cli;
+	while (cli) {
+		if (os_memcmp(cli->addr, params->addr, ETH_ALEN) == 0)
+			break;
+		cli = cli->next;
+	}
+	if (!cli) {
+		wpa_printf(MSG_DEBUG, "%s: no matching client entry",
+			   __func__);
+		return -1;
+	}
+
+	cli->bss = bss;
+
+	return 0;
+}
+
+
+static struct wpa_driver_test_data * test_alloc_data(void *ctx,
+						     const char *ifname)
+{
+	struct wpa_driver_test_data *drv;
+	struct test_driver_bss *bss;
+
+	drv = os_zalloc(sizeof(struct wpa_driver_test_data));
+	if (drv == NULL) {
+		wpa_printf(MSG_ERROR, "Could not allocate memory for test "
+			   "driver data");
+		return NULL;
+	}
+
+	bss = os_zalloc(sizeof(struct test_driver_bss));
+	if (bss == NULL) {
+		os_free(drv);
+		return NULL;
+	}
+
+	drv->ctx = ctx;
+	wpa_trace_add_ref(drv, ctx, ctx);
+	dl_list_init(&drv->bss);
+	dl_list_add(&drv->bss, &bss->list);
+	os_strlcpy(bss->ifname, ifname, IFNAMSIZ);
+	bss->bss_ctx = ctx;
+	bss->drv = drv;
+
+	/* Generate a MAC address to help testing with multiple STAs */
+	drv->own_addr[0] = 0x02; /* locally administered */
+	sha1_prf((const u8 *) ifname, os_strlen(ifname),
+		 "test mac addr generation",
+		 NULL, 0, drv->own_addr + 1, ETH_ALEN - 1);
+
+	return drv;
+}
+
+
+static void * test_driver_init(struct hostapd_data *hapd,
+			       struct wpa_init_params *params)
+{
+	struct wpa_driver_test_data *drv;
+	struct sockaddr_un addr_un;
+	struct sockaddr_in addr_in;
+	struct sockaddr *addr;
+	socklen_t alen;
+	struct test_driver_bss *bss;
+
+	drv = test_alloc_data(hapd, params->ifname);
+	if (drv == NULL)
+		return NULL;
+	drv->ap = 1;
+	bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
+
+	bss->bss_ctx = hapd;
+	os_memcpy(bss->bssid, drv->own_addr, ETH_ALEN);
+	os_memcpy(params->own_addr, drv->own_addr, ETH_ALEN);
+
+	if (params->test_socket) {
+		if (os_strlen(params->test_socket) >=
+		    sizeof(addr_un.sun_path)) {
+			printf("Too long test_socket path\n");
+			wpa_driver_test_deinit(bss);
+			return NULL;
+		}
+		if (strncmp(params->test_socket, "DIR:", 4) == 0) {
+			size_t len = strlen(params->test_socket) + 30;
+			drv->test_dir = os_strdup(params->test_socket + 4);
+			drv->own_socket_path = os_malloc(len);
+			if (drv->own_socket_path) {
+				snprintf(drv->own_socket_path, len,
+					 "%s/AP-" MACSTR,
+					 params->test_socket + 4,
+					 MAC2STR(params->own_addr));
+			}
+		} else if (strncmp(params->test_socket, "UDP:", 4) == 0) {
+			drv->udp_port = atoi(params->test_socket + 4);
+		} else {
+			drv->own_socket_path = os_strdup(params->test_socket);
+		}
+		if (drv->own_socket_path == NULL && drv->udp_port == 0) {
+			wpa_driver_test_deinit(bss);
+			return NULL;
+		}
+
+		drv->test_socket = socket(drv->udp_port ? PF_INET : PF_UNIX,
+					  SOCK_DGRAM, 0);
+		if (drv->test_socket < 0) {
+			perror("socket");
+			wpa_driver_test_deinit(bss);
+			return NULL;
+		}
+
+		if (drv->udp_port) {
+			os_memset(&addr_in, 0, sizeof(addr_in));
+			addr_in.sin_family = AF_INET;
+			addr_in.sin_port = htons(drv->udp_port);
+			addr = (struct sockaddr *) &addr_in;
+			alen = sizeof(addr_in);
+		} else {
+			os_memset(&addr_un, 0, sizeof(addr_un));
+			addr_un.sun_family = AF_UNIX;
+			os_strlcpy(addr_un.sun_path, drv->own_socket_path,
+				   sizeof(addr_un.sun_path));
+			addr = (struct sockaddr *) &addr_un;
+			alen = sizeof(addr_un);
+		}
+		if (bind(drv->test_socket, addr, alen) < 0) {
+			perror("bind(PF_UNIX)");
+			close(drv->test_socket);
+			if (drv->own_socket_path)
+				unlink(drv->own_socket_path);
+			wpa_driver_test_deinit(bss);
+			return NULL;
+		}
+		eloop_register_read_sock(drv->test_socket,
+					 test_driver_receive_unix, drv, NULL);
+	} else
+		drv->test_socket = -1;
+
+	return bss;
+}
+
+
+static void wpa_driver_test_poll(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_driver_test_data *drv = eloop_ctx;
+
+#ifdef DRIVER_TEST_UNIX
+	if (drv->associated && drv->hostapd_addr_set) {
+		struct stat st;
+		if (stat(drv->hostapd_addr.sun_path, &st) < 0) {
+			wpa_printf(MSG_DEBUG, "%s: lost connection to AP: %s",
+				   __func__, strerror(errno));
+			drv->associated = 0;
+			wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
+		}
+	}
+#endif /* DRIVER_TEST_UNIX */
+
+	eloop_register_timeout(1, 0, wpa_driver_test_poll, drv, NULL);
+}
+
+
+static void wpa_driver_test_scan_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_driver_test_data *drv = eloop_ctx;
+	wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
+	if (drv->pending_p2p_scan && drv->p2p) {
+#ifdef CONFIG_P2P
+		size_t i;
+		for (i = 0; i < drv->num_scanres; i++) {
+			struct wpa_scan_res *bss = drv->scanres[i];
+			if (p2p_scan_res_handler(drv->p2p, bss->bssid,
+						 bss->freq, bss->level,
+						 (const u8 *) (bss + 1),
+						 bss->ie_len) > 0)
+				return;
+		}
+		p2p_scan_res_handled(drv->p2p);
+#endif /* CONFIG_P2P */
+		return;
+	}
+	wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
+}
+
+
+#ifdef DRIVER_TEST_UNIX
+static void wpa_driver_scan_dir(struct wpa_driver_test_data *drv,
+				const char *path)
+{
+	struct dirent *dent;
+	DIR *dir;
+	struct sockaddr_un addr;
+	char cmd[512], *pos, *end;
+	int ret;
+
+	dir = opendir(path);
+	if (dir == NULL)
+		return;
+
+	end = cmd + sizeof(cmd);
+	pos = cmd;
+	ret = os_snprintf(pos, end - pos, "SCAN " MACSTR,
+			  MAC2STR(drv->own_addr));
+	if (ret >= 0 && ret < end - pos)
+		pos += ret;
+	if (drv->probe_req_ie) {
+		ret = os_snprintf(pos, end - pos, " ");
+		if (ret >= 0 && ret < end - pos)
+			pos += ret;
+		pos += wpa_snprintf_hex(pos, end - pos, drv->probe_req_ie,
+					drv->probe_req_ie_len);
+	}
+	if (drv->probe_req_ssid_len) {
+		/* Add SSID IE */
+		ret = os_snprintf(pos, end - pos, "%02x%02x",
+				  WLAN_EID_SSID,
+				  (unsigned int) drv->probe_req_ssid_len);
+		if (ret >= 0 && ret < end - pos)
+			pos += ret;
+		pos += wpa_snprintf_hex(pos, end - pos, drv->probe_req_ssid,
+					drv->probe_req_ssid_len);
+	}
+	end[-1] = '\0';
+
+	while ((dent = readdir(dir))) {
+		if (os_strncmp(dent->d_name, "AP-", 3) != 0 &&
+		    os_strncmp(dent->d_name, "STA-", 4) != 0)
+			continue;
+		if (drv->own_socket_path) {
+			size_t olen, dlen;
+			olen = os_strlen(drv->own_socket_path);
+			dlen = os_strlen(dent->d_name);
+			if (olen >= dlen &&
+			    os_strcmp(dent->d_name,
+				      drv->own_socket_path + olen - dlen) == 0)
+				continue;
+		}
+		wpa_printf(MSG_DEBUG, "%s: SCAN %s", __func__, dent->d_name);
+
+		os_memset(&addr, 0, sizeof(addr));
+		addr.sun_family = AF_UNIX;
+		os_snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s",
+			    path, dent->d_name);
+
+		if (sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
+			   (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+			perror("sendto(test_socket)");
+		}
+	}
+	closedir(dir);
+}
+#endif /* DRIVER_TEST_UNIX */
+
+
+static int wpa_driver_test_scan(void *priv,
+				struct wpa_driver_scan_params *params)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	size_t i;
+
+	wpa_printf(MSG_DEBUG, "%s: priv=%p", __func__, priv);
+
+	os_free(drv->probe_req_ie);
+	if (params->extra_ies) {
+		drv->probe_req_ie = os_malloc(params->extra_ies_len);
+		if (drv->probe_req_ie == NULL) {
+			drv->probe_req_ie_len = 0;
+			return -1;
+		}
+		os_memcpy(drv->probe_req_ie, params->extra_ies,
+			  params->extra_ies_len);
+		drv->probe_req_ie_len = params->extra_ies_len;
+	} else {
+		drv->probe_req_ie = NULL;
+		drv->probe_req_ie_len = 0;
+	}
+
+	for (i = 0; i < params->num_ssids; i++)
+		wpa_hexdump(MSG_DEBUG, "Scan SSID",
+			    params->ssids[i].ssid, params->ssids[i].ssid_len);
+	drv->probe_req_ssid_len = 0;
+	if (params->num_ssids) {
+		os_memcpy(drv->probe_req_ssid, params->ssids[0].ssid,
+			  params->ssids[0].ssid_len);
+		drv->probe_req_ssid_len = params->ssids[0].ssid_len;
+	}
+	wpa_hexdump(MSG_DEBUG, "Scan extra IE(s)",
+		    params->extra_ies, params->extra_ies_len);
+
+	drv->num_scanres = 0;
+
+#ifdef DRIVER_TEST_UNIX
+	if (drv->test_socket >= 0 && drv->test_dir)
+		wpa_driver_scan_dir(drv, drv->test_dir);
+
+	if (drv->test_socket >= 0 && drv->hostapd_addr_set &&
+	    sendto(drv->test_socket, "SCAN", 4, 0,
+		   (struct sockaddr *) &drv->hostapd_addr,
+		   sizeof(drv->hostapd_addr)) < 0) {
+		perror("sendto(test_socket)");
+	}
+#endif /* DRIVER_TEST_UNIX */
+
+	if (drv->test_socket >= 0 && drv->hostapd_addr_udp_set &&
+	    sendto(drv->test_socket, "SCAN", 4, 0,
+		   (struct sockaddr *) &drv->hostapd_addr_udp,
+		   sizeof(drv->hostapd_addr_udp)) < 0) {
+		perror("sendto(test_socket)");
+	}
+
+	eloop_cancel_timeout(wpa_driver_test_scan_timeout, drv, drv->ctx);
+	eloop_register_timeout(1, 0, wpa_driver_test_scan_timeout, drv,
+			       drv->ctx);
+	return 0;
+}
+
+
+static struct wpa_scan_results * wpa_driver_test_get_scan_results2(void *priv)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	struct wpa_scan_results *res;
+	size_t i;
+
+	res = os_zalloc(sizeof(*res));
+	if (res == NULL)
+		return NULL;
+
+	res->res = os_zalloc(drv->num_scanres * sizeof(struct wpa_scan_res *));
+	if (res->res == NULL) {
+		os_free(res);
+		return NULL;
+	}
+
+	for (i = 0; i < drv->num_scanres; i++) {
+		struct wpa_scan_res *r;
+		if (drv->scanres[i] == NULL)
+			continue;
+		r = os_malloc(sizeof(*r) + drv->scanres[i]->ie_len);
+		if (r == NULL)
+			break;
+		os_memcpy(r, drv->scanres[i],
+			  sizeof(*r) + drv->scanres[i]->ie_len);
+		res->res[res->num++] = r;
+	}
+
+	return res;
+}
+
+
+static int wpa_driver_test_set_key(const char *ifname, void *priv,
+				   enum wpa_alg alg, const u8 *addr,
+				   int key_idx, int set_tx,
+				   const u8 *seq, size_t seq_len,
+				   const u8 *key, size_t key_len)
+{
+	wpa_printf(MSG_DEBUG, "%s: ifname=%s priv=%p alg=%d key_idx=%d "
+		   "set_tx=%d",
+		   __func__, ifname, priv, alg, key_idx, set_tx);
+	if (addr)
+		wpa_printf(MSG_DEBUG, "   addr=" MACSTR, MAC2STR(addr));
+	if (seq)
+		wpa_hexdump(MSG_DEBUG, "   seq", seq, seq_len);
+	if (key)
+		wpa_hexdump_key(MSG_DEBUG, "   key", key, key_len);
+	return 0;
+}
+
+
+static int wpa_driver_update_mode(struct wpa_driver_test_data *drv, int ap)
+{
+	if (ap && !drv->ap) {
+		wpa_driver_test_close_test_socket(drv);
+		wpa_driver_test_attach(drv, drv->test_dir, 1);
+		drv->ap = 1;
+	} else if (!ap && drv->ap) {
+		wpa_driver_test_close_test_socket(drv);
+		wpa_driver_test_attach(drv, drv->test_dir, 0);
+		drv->ap = 0;
+	}
+
+	return 0;
+}
+
+
+static int wpa_driver_test_associate(
+	void *priv, struct wpa_driver_associate_params *params)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	wpa_printf(MSG_DEBUG, "%s: priv=%p freq=%d pairwise_suite=%d "
+		   "group_suite=%d key_mgmt_suite=%d auth_alg=%d mode=%d",
+		   __func__, priv, params->freq, params->pairwise_suite,
+		   params->group_suite, params->key_mgmt_suite,
+		   params->auth_alg, params->mode);
+	wpa_driver_update_mode(drv, params->mode == IEEE80211_MODE_AP);
+	if (params->bssid) {
+		wpa_printf(MSG_DEBUG, "   bssid=" MACSTR,
+			   MAC2STR(params->bssid));
+	}
+	if (params->ssid) {
+		wpa_hexdump_ascii(MSG_DEBUG, "   ssid",
+				  params->ssid, params->ssid_len);
+	}
+	if (params->wpa_ie) {
+		wpa_hexdump(MSG_DEBUG, "   wpa_ie",
+			    params->wpa_ie, params->wpa_ie_len);
+		drv->assoc_wpa_ie_len = params->wpa_ie_len;
+		if (drv->assoc_wpa_ie_len > sizeof(drv->assoc_wpa_ie))
+			drv->assoc_wpa_ie_len = sizeof(drv->assoc_wpa_ie);
+		os_memcpy(drv->assoc_wpa_ie, params->wpa_ie,
+			  drv->assoc_wpa_ie_len);
+	} else
+		drv->assoc_wpa_ie_len = 0;
+
+	wpa_driver_update_mode(drv, params->mode == IEEE80211_MODE_AP);
+
+	drv->ibss = params->mode == IEEE80211_MODE_IBSS;
+	dbss->privacy = params->key_mgmt_suite &
+		(WPA_KEY_MGMT_IEEE8021X |
+		 WPA_KEY_MGMT_PSK |
+		 WPA_KEY_MGMT_WPA_NONE |
+		 WPA_KEY_MGMT_FT_IEEE8021X |
+		 WPA_KEY_MGMT_FT_PSK |
+		 WPA_KEY_MGMT_IEEE8021X_SHA256 |
+		 WPA_KEY_MGMT_PSK_SHA256);
+	if (params->wep_key_len[params->wep_tx_keyidx])
+		dbss->privacy = 1;
+
+#ifdef DRIVER_TEST_UNIX
+	if (drv->test_dir && params->bssid &&
+	    params->mode != IEEE80211_MODE_IBSS) {
+		os_memset(&drv->hostapd_addr, 0, sizeof(drv->hostapd_addr));
+		drv->hostapd_addr.sun_family = AF_UNIX;
+		os_snprintf(drv->hostapd_addr.sun_path,
+			    sizeof(drv->hostapd_addr.sun_path),
+			    "%s/AP-" MACSTR,
+			    drv->test_dir, MAC2STR(params->bssid));
+		drv->hostapd_addr_set = 1;
+	}
+#endif /* DRIVER_TEST_UNIX */
+
+	if (params->mode == IEEE80211_MODE_AP) {
+		os_memcpy(dbss->ssid, params->ssid, params->ssid_len);
+		dbss->ssid_len = params->ssid_len;
+		os_memcpy(dbss->bssid, drv->own_addr, ETH_ALEN);
+		if (params->wpa_ie && params->wpa_ie_len) {
+			dbss->ie = os_malloc(params->wpa_ie_len);
+			if (dbss->ie) {
+				os_memcpy(dbss->ie, params->wpa_ie,
+					  params->wpa_ie_len);
+				dbss->ielen = params->wpa_ie_len;
+			}
+		}
+	} else if (drv->test_socket >= 0 &&
+		   (drv->hostapd_addr_set || drv->hostapd_addr_udp_set)) {
+		char cmd[200], *pos, *end;
+		int ret;
+		end = cmd + sizeof(cmd);
+		pos = cmd;
+		ret = os_snprintf(pos, end - pos, "ASSOC " MACSTR " ",
+				  MAC2STR(drv->own_addr));
+		if (ret >= 0 && ret < end - pos)
+			pos += ret;
+		pos += wpa_snprintf_hex(pos, end - pos, params->ssid,
+					params->ssid_len);
+		ret = os_snprintf(pos, end - pos, " ");
+		if (ret >= 0 && ret < end - pos)
+			pos += ret;
+		pos += wpa_snprintf_hex(pos, end - pos, params->wpa_ie,
+					params->wpa_ie_len);
+		end[-1] = '\0';
+#ifdef DRIVER_TEST_UNIX
+		if (drv->hostapd_addr_set &&
+		    sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
+			   (struct sockaddr *) &drv->hostapd_addr,
+			   sizeof(drv->hostapd_addr)) < 0) {
+			perror("sendto(test_socket)");
+			return -1;
+		}
+#endif /* DRIVER_TEST_UNIX */
+		if (drv->hostapd_addr_udp_set &&
+		    sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
+			   (struct sockaddr *) &drv->hostapd_addr_udp,
+			   sizeof(drv->hostapd_addr_udp)) < 0) {
+			perror("sendto(test_socket)");
+			return -1;
+		}
+
+		os_memcpy(dbss->ssid, params->ssid, params->ssid_len);
+		dbss->ssid_len = params->ssid_len;
+	} else {
+		drv->associated = 1;
+		if (params->mode == IEEE80211_MODE_IBSS) {
+			os_memcpy(dbss->ssid, params->ssid, params->ssid_len);
+			dbss->ssid_len = params->ssid_len;
+			if (params->bssid)
+				os_memcpy(dbss->bssid, params->bssid,
+					  ETH_ALEN);
+			else {
+				os_get_random(dbss->bssid, ETH_ALEN);
+				dbss->bssid[0] &= ~0x01;
+				dbss->bssid[0] |= 0x02;
+			}
+		}
+		wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
+	}
+
+	return 0;
+}
+
+
+static int wpa_driver_test_get_bssid(void *priv, u8 *bssid)
+{
+	struct test_driver_bss *dbss = priv;
+	os_memcpy(bssid, dbss->bssid, ETH_ALEN);
+	return 0;
+}
+
+
+static int wpa_driver_test_get_ssid(void *priv, u8 *ssid)
+{
+	struct test_driver_bss *dbss = priv;
+	os_memcpy(ssid, dbss->ssid, 32);
+	return dbss->ssid_len;
+}
+
+
+static int wpa_driver_test_send_disassoc(struct wpa_driver_test_data *drv)
+{
+#ifdef DRIVER_TEST_UNIX
+	if (drv->test_socket >= 0 &&
+	    sendto(drv->test_socket, "DISASSOC", 8, 0,
+		   (struct sockaddr *) &drv->hostapd_addr,
+		   sizeof(drv->hostapd_addr)) < 0) {
+		perror("sendto(test_socket)");
+		return -1;
+	}
+#endif /* DRIVER_TEST_UNIX */
+	if (drv->test_socket >= 0 && drv->hostapd_addr_udp_set &&
+	    sendto(drv->test_socket, "DISASSOC", 8, 0,
+		   (struct sockaddr *) &drv->hostapd_addr_udp,
+		   sizeof(drv->hostapd_addr_udp)) < 0) {
+		perror("sendto(test_socket)");
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wpa_driver_test_deauthenticate(void *priv, const u8 *addr,
+					  int reason_code)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	wpa_printf(MSG_DEBUG, "%s addr=" MACSTR " reason_code=%d",
+		   __func__, MAC2STR(addr), reason_code);
+	os_memset(dbss->bssid, 0, ETH_ALEN);
+	drv->associated = 0;
+	wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
+	return wpa_driver_test_send_disassoc(drv);
+}
+
+
+static int wpa_driver_test_disassociate(void *priv, const u8 *addr,
+					int reason_code)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	wpa_printf(MSG_DEBUG, "%s addr=" MACSTR " reason_code=%d",
+		   __func__, MAC2STR(addr), reason_code);
+	os_memset(dbss->bssid, 0, ETH_ALEN);
+	drv->associated = 0;
+	wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
+	return wpa_driver_test_send_disassoc(drv);
+}
+
+
+static const u8 * wpa_scan_get_ie(const struct wpa_scan_res *res, u8 ie)
+{
+	const u8 *end, *pos;
+
+	pos = (const u8 *) (res + 1);
+	end = pos + res->ie_len;
+
+	while (pos + 1 < end) {
+		if (pos + 2 + pos[1] > end)
+			break;
+		if (pos[0] == ie)
+			return pos;
+		pos += 2 + pos[1];
+	}
+
+	return NULL;
+}
+
+
+static void wpa_driver_test_scanresp(struct wpa_driver_test_data *drv,
+				     struct sockaddr *from,
+				     socklen_t fromlen,
+				     const char *data)
+{
+	struct wpa_scan_res *res;
+	const char *pos, *pos2;
+	size_t len;
+	u8 *ie_pos, *ie_start, *ie_end;
+#define MAX_IE_LEN 1000
+	const u8 *ds_params;
+
+	wpa_printf(MSG_DEBUG, "test_driver: SCANRESP %s", data);
+	if (drv->num_scanres >= MAX_SCAN_RESULTS) {
+		wpa_printf(MSG_DEBUG, "test_driver: No room for the new scan "
+			   "result");
+		return;
+	}
+
+	/* SCANRESP BSSID SSID IEs */
+
+	res = os_zalloc(sizeof(*res) + MAX_IE_LEN);
+	if (res == NULL)
+		return;
+	ie_start = ie_pos = (u8 *) (res + 1);
+	ie_end = ie_pos + MAX_IE_LEN;
+
+	if (hwaddr_aton(data, res->bssid)) {
+		wpa_printf(MSG_DEBUG, "test_driver: invalid BSSID in scanres");
+		os_free(res);
+		return;
+	}
+
+	pos = data + 17;
+	while (*pos == ' ')
+		pos++;
+	pos2 = os_strchr(pos, ' ');
+	if (pos2 == NULL) {
+		wpa_printf(MSG_DEBUG, "test_driver: invalid SSID termination "
+			   "in scanres");
+		os_free(res);
+		return;
+	}
+	len = (pos2 - pos) / 2;
+	if (len > 32)
+		len = 32;
+	/*
+	 * Generate SSID IE from the SSID field since this IE is not included
+	 * in the main IE field.
+	 */
+	*ie_pos++ = WLAN_EID_SSID;
+	*ie_pos++ = len;
+	if (hexstr2bin(pos, ie_pos, len) < 0) {
+		wpa_printf(MSG_DEBUG, "test_driver: invalid SSID in scanres");
+		os_free(res);
+		return;
+	}
+	ie_pos += len;
+
+	pos = pos2 + 1;
+	pos2 = os_strchr(pos, ' ');
+	if (pos2 == NULL)
+		len = os_strlen(pos) / 2;
+	else
+		len = (pos2 - pos) / 2;
+	if ((int) len > ie_end - ie_pos)
+		len = ie_end - ie_pos;
+	if (hexstr2bin(pos, ie_pos, len) < 0) {
+		wpa_printf(MSG_DEBUG, "test_driver: invalid IEs in scanres");
+		os_free(res);
+		return;
+	}
+	ie_pos += len;
+	res->ie_len = ie_pos - ie_start;
+
+	if (pos2) {
+		pos = pos2 + 1;
+		while (*pos == ' ')
+			pos++;
+		if (os_strstr(pos, "PRIVACY"))
+			res->caps |= IEEE80211_CAP_PRIVACY;
+		if (os_strstr(pos, "IBSS"))
+			res->caps |= IEEE80211_CAP_IBSS;
+	}
+
+	ds_params = wpa_scan_get_ie(res, WLAN_EID_DS_PARAMS);
+	if (ds_params && ds_params[1] > 0) {
+		if (ds_params[2] >= 1 && ds_params[2] <= 13)
+			res->freq = 2407 + ds_params[2] * 5;
+	}
+
+	os_free(drv->scanres[drv->num_scanres]);
+	drv->scanres[drv->num_scanres++] = res;
+}
+
+
+static void wpa_driver_test_assocresp(struct wpa_driver_test_data *drv,
+				      struct sockaddr *from,
+				      socklen_t fromlen,
+				      const char *data)
+{
+	struct test_driver_bss *bss;
+
+	bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
+
+	/* ASSOCRESP BSSID <res> */
+	if (hwaddr_aton(data, bss->bssid)) {
+		wpa_printf(MSG_DEBUG, "test_driver: invalid BSSID in "
+			   "assocresp");
+	}
+	if (drv->use_associnfo) {
+		union wpa_event_data event;
+		os_memset(&event, 0, sizeof(event));
+		event.assoc_info.req_ies = drv->assoc_wpa_ie;
+		event.assoc_info.req_ies_len = drv->assoc_wpa_ie_len;
+		wpa_supplicant_event(drv->ctx, EVENT_ASSOCINFO, &event);
+	}
+	drv->associated = 1;
+	wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
+}
+
+
+static void wpa_driver_test_disassoc(struct wpa_driver_test_data *drv,
+				     struct sockaddr *from,
+				     socklen_t fromlen)
+{
+	drv->associated = 0;
+	wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
+}
+
+
+static void wpa_driver_test_eapol(struct wpa_driver_test_data *drv,
+				  struct sockaddr *from,
+				  socklen_t fromlen,
+				  const u8 *data, size_t data_len)
+{
+	const u8 *src;
+	struct test_driver_bss *bss;
+
+	bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
+
+	if (data_len > 14) {
+		/* Skip Ethernet header */
+		src = data + ETH_ALEN;
+		data += 14;
+		data_len -= 14;
+	} else
+		src = bss->bssid;
+
+	drv_event_eapol_rx(drv->ctx, src, data, data_len);
+}
+
+
+static void wpa_driver_test_mlme(struct wpa_driver_test_data *drv,
+				 struct sockaddr *from,
+				 socklen_t fromlen,
+				 const u8 *data, size_t data_len)
+{
+	int freq = 0, own_freq;
+	union wpa_event_data event;
+	const struct ieee80211_mgmt *mgmt;
+	u16 fc;
+	struct test_driver_bss *bss;
+
+	bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
+	if (data_len > 6 && os_memcmp(data, "freq=", 5) == 0) {
+		size_t pos;
+		for (pos = 5; pos < data_len; pos++) {
+			if (data[pos] == ' ')
+				break;
+		}
+		if (pos < data_len) {
+			freq = atoi((const char *) &data[5]);
+			wpa_printf(MSG_DEBUG, "test_driver(%s): MLME RX on "
+				   "freq %d MHz", bss->ifname, freq);
+			pos++;
+			data += pos;
+			data_len -= pos;
+		}
+	}
+
+	if (drv->remain_on_channel_freq)
+		own_freq = drv->remain_on_channel_freq;
+	else
+		own_freq = drv->current_freq;
+
+	if (freq && own_freq && freq != own_freq) {
+		wpa_printf(MSG_DEBUG, "test_driver(%s): Ignore MLME RX on "
+			   "another frequency %d MHz (own %d MHz)",
+			   bss->ifname, freq, own_freq);
+		return;
+	}
+
+	os_memset(&event, 0, sizeof(event));
+	event.mlme_rx.buf = data;
+	event.mlme_rx.len = data_len;
+	event.mlme_rx.freq = freq;
+	wpa_supplicant_event(drv->ctx, EVENT_MLME_RX, &event);
+
+	mgmt = (const struct ieee80211_mgmt *) data;
+	fc = le_to_host16(mgmt->frame_control);
+
+	if (drv->probe_req_report && data_len >= 24) {
+		if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
+		    WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ) {
+			os_memset(&event, 0, sizeof(event));
+			event.rx_probe_req.sa = mgmt->sa;
+			event.rx_probe_req.ie = mgmt->u.probe_req.variable;
+			event.rx_probe_req.ie_len =
+				data_len - (mgmt->u.probe_req.variable - data);
+			wpa_supplicant_event(drv->ctx, EVENT_RX_PROBE_REQ,
+					     &event);
+#ifdef CONFIG_P2P
+			if (drv->p2p)
+				p2p_probe_req_rx(drv->p2p, mgmt->sa,
+						 event.rx_probe_req.ie,
+						 event.rx_probe_req.ie_len);
+#endif /* CONFIG_P2P */
+		}
+	}
+
+#ifdef CONFIG_P2P
+	if (drv->p2p &&
+	    WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
+	    WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
+		size_t hdr_len;
+		hdr_len = (const u8 *)
+			&mgmt->u.action.u.vs_public_action.action - data;
+		p2p_rx_action(drv->p2p, mgmt->da, mgmt->sa, mgmt->bssid,
+			      mgmt->u.action.category,
+			      &mgmt->u.action.u.vs_public_action.action,
+			      data_len - hdr_len, freq);
+	}
+#endif /* CONFIG_P2P */
+
+}
+
+
+static void wpa_driver_test_scan_cmd(struct wpa_driver_test_data *drv,
+				     struct sockaddr *from,
+				     socklen_t fromlen,
+				     const u8 *data, size_t data_len)
+{
+	char buf[512], *pos, *end;
+	int ret;
+	struct test_driver_bss *bss;
+
+	bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
+
+	/* data: optional [ STA-addr | ' ' | IEs(hex) ] */
+#ifdef CONFIG_P2P
+	if (drv->probe_req_report && drv->p2p && data_len) {
+		const char *d = (const char *) data;
+		u8 sa[ETH_ALEN];
+		u8 ie[512];
+		size_t ielen;
+
+		if (hwaddr_aton(d, sa))
+			return;
+		d += 18;
+		while (*d == ' ')
+			d++;
+		ielen = os_strlen(d) / 2;
+		if (ielen > sizeof(ie))
+			ielen = sizeof(ie);
+		if (hexstr2bin(d, ie, ielen) < 0)
+			ielen = 0;
+		drv->probe_from = from;
+		drv->probe_from_len = fromlen;
+		p2p_probe_req_rx(drv->p2p, sa, ie, ielen);
+		drv->probe_from = NULL;
+	}
+#endif /* CONFIG_P2P */
+
+	if (!drv->ibss)
+		return;
+
+	pos = buf;
+	end = buf + sizeof(buf);
+
+	/* reply: SCANRESP BSSID SSID IEs */
+	ret = snprintf(pos, end - pos, "SCANRESP " MACSTR " ",
+		       MAC2STR(bss->bssid));
+	if (ret < 0 || ret >= end - pos)
+		return;
+	pos += ret;
+	pos += wpa_snprintf_hex(pos, end - pos,
+				bss->ssid, bss->ssid_len);
+	ret = snprintf(pos, end - pos, " ");
+	if (ret < 0 || ret >= end - pos)
+		return;
+	pos += ret;
+	pos += wpa_snprintf_hex(pos, end - pos, drv->assoc_wpa_ie,
+				drv->assoc_wpa_ie_len);
+
+	if (bss->privacy) {
+		ret = snprintf(pos, end - pos, " PRIVACY");
+		if (ret < 0 || ret >= end - pos)
+			return;
+		pos += ret;
+	}
+
+	ret = snprintf(pos, end - pos, " IBSS");
+	if (ret < 0 || ret >= end - pos)
+		return;
+	pos += ret;
+
+	sendto(drv->test_socket, buf, pos - buf, 0,
+	       (struct sockaddr *) from, fromlen);
+}
+
+
+static void wpa_driver_test_receive_unix(int sock, void *eloop_ctx,
+					 void *sock_ctx)
+{
+	struct wpa_driver_test_data *drv = eloop_ctx;
+	char *buf;
+	int res;
+	struct sockaddr_storage from;
+	socklen_t fromlen = sizeof(from);
+	const size_t buflen = 2000;
+
+	if (drv->ap) {
+		test_driver_receive_unix(sock, eloop_ctx, sock_ctx);
+		return;
+	}
+
+	buf = os_malloc(buflen);
+	if (buf == NULL)
+		return;
+	res = recvfrom(sock, buf, buflen - 1, 0,
+		       (struct sockaddr *) &from, &fromlen);
+	if (res < 0) {
+		perror("recvfrom(test_socket)");
+		os_free(buf);
+		return;
+	}
+	buf[res] = '\0';
+
+	wpa_printf(MSG_DEBUG, "test_driver: received %u bytes", res);
+
+	if (os_strncmp(buf, "SCANRESP ", 9) == 0) {
+		wpa_driver_test_scanresp(drv, (struct sockaddr *) &from,
+					 fromlen, buf + 9);
+	} else if (os_strncmp(buf, "ASSOCRESP ", 10) == 0) {
+		wpa_driver_test_assocresp(drv, (struct sockaddr *) &from,
+					  fromlen, buf + 10);
+	} else if (os_strcmp(buf, "DISASSOC") == 0) {
+		wpa_driver_test_disassoc(drv, (struct sockaddr *) &from,
+					 fromlen);
+	} else if (os_strcmp(buf, "DEAUTH") == 0) {
+		wpa_driver_test_disassoc(drv, (struct sockaddr *) &from,
+					 fromlen);
+	} else if (os_strncmp(buf, "EAPOL ", 6) == 0) {
+		wpa_driver_test_eapol(drv, (struct sockaddr *) &from, fromlen,
+				      (const u8 *) buf + 6, res - 6);
+	} else if (os_strncmp(buf, "MLME ", 5) == 0) {
+		wpa_driver_test_mlme(drv, (struct sockaddr *) &from, fromlen,
+				     (const u8 *) buf + 5, res - 5);
+	} else if (os_strncmp(buf, "SCAN ", 5) == 0) {
+		wpa_driver_test_scan_cmd(drv, (struct sockaddr *) &from,
+					 fromlen,
+					 (const u8 *) buf + 5, res - 5);
+	} else {
+		wpa_hexdump_ascii(MSG_DEBUG, "Unknown test_socket command",
+				  (u8 *) buf, res);
+	}
+	os_free(buf);
+}
+
+
+static void * wpa_driver_test_init2(void *ctx, const char *ifname,
+				    void *global_priv)
+{
+	struct wpa_driver_test_data *drv;
+	struct wpa_driver_test_global *global = global_priv;
+	struct test_driver_bss *bss;
+
+	drv = test_alloc_data(ctx, ifname);
+	if (drv == NULL)
+		return NULL;
+	bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
+	drv->global = global_priv;
+	drv->test_socket = -1;
+
+	/* Set dummy BSSID and SSID for testing. */
+	bss->bssid[0] = 0x02;
+	bss->bssid[1] = 0x00;
+	bss->bssid[2] = 0x00;
+	bss->bssid[3] = 0x00;
+	bss->bssid[4] = 0x00;
+	bss->bssid[5] = 0x01;
+	os_memcpy(bss->ssid, "test", 5);
+	bss->ssid_len = 4;
+
+	if (global->bss_add_used) {
+		os_memcpy(drv->own_addr, global->req_addr, ETH_ALEN);
+		global->bss_add_used = 0;
+	}
+
+	eloop_register_timeout(1, 0, wpa_driver_test_poll, drv, NULL);
+
+	return bss;
+}
+
+
+static void wpa_driver_test_close_test_socket(struct wpa_driver_test_data *drv)
+{
+	if (drv->test_socket >= 0) {
+		eloop_unregister_read_sock(drv->test_socket);
+		close(drv->test_socket);
+		drv->test_socket = -1;
+	}
+
+	if (drv->own_socket_path) {
+		unlink(drv->own_socket_path);
+		os_free(drv->own_socket_path);
+		drv->own_socket_path = NULL;
+	}
+}
+
+
+static void wpa_driver_test_deinit(void *priv)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	struct test_client_socket *cli, *prev;
+	int i;
+
+#ifdef CONFIG_P2P
+	if (drv->p2p)
+		p2p_deinit(drv->p2p);
+	wpabuf_free(drv->pending_action_tx);
+#endif /* CONFIG_P2P */
+
+	cli = drv->cli;
+	while (cli) {
+		prev = cli;
+		cli = cli->next;
+		os_free(prev);
+	}
+
+#ifdef HOSTAPD
+	/* There should be only one BSS remaining at this point. */
+	if (dl_list_len(&drv->bss) != 1)
+		wpa_printf(MSG_ERROR, "%s: %u remaining BSS entries",
+			   __func__, dl_list_len(&drv->bss));
+#endif /* HOSTAPD */
+
+	test_driver_free_bsses(drv);
+
+	wpa_driver_test_close_test_socket(drv);
+	eloop_cancel_timeout(wpa_driver_test_scan_timeout, drv, drv->ctx);
+	eloop_cancel_timeout(wpa_driver_test_poll, drv, NULL);
+	eloop_cancel_timeout(test_remain_on_channel_timeout, drv, NULL);
+	os_free(drv->test_dir);
+	for (i = 0; i < MAX_SCAN_RESULTS; i++)
+		os_free(drv->scanres[i]);
+	os_free(drv->probe_req_ie);
+	wpa_trace_remove_ref(drv, ctx, drv->ctx);
+	os_free(drv);
+}
+
+
+static int wpa_driver_test_attach(struct wpa_driver_test_data *drv,
+				  const char *dir, int ap)
+{
+#ifdef DRIVER_TEST_UNIX
+	static unsigned int counter = 0;
+	struct sockaddr_un addr;
+	size_t len;
+
+	os_free(drv->own_socket_path);
+	if (dir) {
+		len = os_strlen(dir) + 30;
+		drv->own_socket_path = os_malloc(len);
+		if (drv->own_socket_path == NULL)
+			return -1;
+		os_snprintf(drv->own_socket_path, len, "%s/%s-" MACSTR,
+			    dir, ap ? "AP" : "STA", MAC2STR(drv->own_addr));
+	} else {
+		drv->own_socket_path = os_malloc(100);
+		if (drv->own_socket_path == NULL)
+			return -1;
+		os_snprintf(drv->own_socket_path, 100,
+			    "/tmp/wpa_supplicant_test-%d-%d",
+			    getpid(), counter++);
+	}
+
+	drv->test_socket = socket(PF_UNIX, SOCK_DGRAM, 0);
+	if (drv->test_socket < 0) {
+		perror("socket(PF_UNIX)");
+		os_free(drv->own_socket_path);
+		drv->own_socket_path = NULL;
+		return -1;
+	}
+
+	os_memset(&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+	os_strlcpy(addr.sun_path, drv->own_socket_path, sizeof(addr.sun_path));
+	if (bind(drv->test_socket, (struct sockaddr *) &addr,
+		 sizeof(addr)) < 0) {
+		perror("bind(PF_UNIX)");
+		close(drv->test_socket);
+		unlink(drv->own_socket_path);
+		os_free(drv->own_socket_path);
+		drv->own_socket_path = NULL;
+		return -1;
+	}
+
+	eloop_register_read_sock(drv->test_socket,
+				 wpa_driver_test_receive_unix, drv, NULL);
+
+	return 0;
+#else /* DRIVER_TEST_UNIX */
+	return -1;
+#endif /* DRIVER_TEST_UNIX */
+}
+
+
+static int wpa_driver_test_attach_udp(struct wpa_driver_test_data *drv,
+				      char *dst)
+{
+	char *pos;
+
+	pos = os_strchr(dst, ':');
+	if (pos == NULL)
+		return -1;
+	*pos++ = '\0';
+	wpa_printf(MSG_DEBUG, "%s: addr=%s port=%s", __func__, dst, pos);
+
+	drv->test_socket = socket(PF_INET, SOCK_DGRAM, 0);
+	if (drv->test_socket < 0) {
+		perror("socket(PF_INET)");
+		return -1;
+	}
+
+	os_memset(&drv->hostapd_addr_udp, 0, sizeof(drv->hostapd_addr_udp));
+	drv->hostapd_addr_udp.sin_family = AF_INET;
+#if defined(CONFIG_NATIVE_WINDOWS) || defined(CONFIG_ANSI_C_EXTRA)
+	{
+		int a[4];
+		u8 *pos;
+		sscanf(dst, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]);
+		pos = (u8 *) &drv->hostapd_addr_udp.sin_addr;
+		*pos++ = a[0];
+		*pos++ = a[1];
+		*pos++ = a[2];
+		*pos++ = a[3];
+	}
+#else /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
+	inet_aton(dst, &drv->hostapd_addr_udp.sin_addr);
+#endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
+	drv->hostapd_addr_udp.sin_port = htons(atoi(pos));
+
+	drv->hostapd_addr_udp_set = 1;
+
+	eloop_register_read_sock(drv->test_socket,
+				 wpa_driver_test_receive_unix, drv, NULL);
+
+	return 0;
+}
+
+
+static int wpa_driver_test_set_param(void *priv, const char *param)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	const char *pos;
+
+	wpa_printf(MSG_DEBUG, "%s: param='%s'", __func__, param);
+	if (param == NULL)
+		return 0;
+
+	wpa_driver_test_close_test_socket(drv);
+
+#ifdef DRIVER_TEST_UNIX
+	pos = os_strstr(param, "test_socket=");
+	if (pos) {
+		const char *pos2;
+		size_t len;
+
+		pos += 12;
+		pos2 = os_strchr(pos, ' ');
+		if (pos2)
+			len = pos2 - pos;
+		else
+			len = os_strlen(pos);
+		if (len > sizeof(drv->hostapd_addr.sun_path))
+			return -1;
+		os_memset(&drv->hostapd_addr, 0, sizeof(drv->hostapd_addr));
+		drv->hostapd_addr.sun_family = AF_UNIX;
+		os_memcpy(drv->hostapd_addr.sun_path, pos, len);
+		drv->hostapd_addr_set = 1;
+	}
+#endif /* DRIVER_TEST_UNIX */
+
+	pos = os_strstr(param, "test_dir=");
+	if (pos) {
+		char *end;
+		os_free(drv->test_dir);
+		drv->test_dir = os_strdup(pos + 9);
+		if (drv->test_dir == NULL)
+			return -1;
+		end = os_strchr(drv->test_dir, ' ');
+		if (end)
+			*end = '\0';
+		if (wpa_driver_test_attach(drv, drv->test_dir, 0))
+			return -1;
+	} else {
+		pos = os_strstr(param, "test_udp=");
+		if (pos) {
+			char *dst, *epos;
+			dst = os_strdup(pos + 9);
+			if (dst == NULL)
+				return -1;
+			epos = os_strchr(dst, ' ');
+			if (epos)
+				*epos = '\0';
+			if (wpa_driver_test_attach_udp(drv, dst))
+				return -1;
+			os_free(dst);
+		} else if (wpa_driver_test_attach(drv, NULL, 0))
+			return -1;
+	}
+
+	if (os_strstr(param, "use_associnfo=1")) {
+		wpa_printf(MSG_DEBUG, "test_driver: Use AssocInfo events");
+		drv->use_associnfo = 1;
+	}
+
+#ifdef CONFIG_CLIENT_MLME
+	if (os_strstr(param, "use_mlme=1")) {
+		wpa_printf(MSG_DEBUG, "test_driver: Use internal MLME");
+		drv->use_mlme = 1;
+	}
+#endif /* CONFIG_CLIENT_MLME */
+
+	if (os_strstr(param, "p2p_mgmt=1")) {
+		wpa_printf(MSG_DEBUG, "test_driver: Use internal P2P "
+			   "management");
+		if (wpa_driver_test_init_p2p(drv) < 0)
+			return -1;
+	}
+
+	return 0;
+}
+
+
+static const u8 * wpa_driver_test_get_mac_addr(void *priv)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	wpa_printf(MSG_DEBUG, "%s", __func__);
+	return drv->own_addr;
+}
+
+
+static int wpa_driver_test_send_eapol(void *priv, const u8 *dest, u16 proto,
+				      const u8 *data, size_t data_len)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	char *msg;
+	size_t msg_len;
+	struct l2_ethhdr eth;
+	struct sockaddr *addr;
+	socklen_t alen;
+#ifdef DRIVER_TEST_UNIX
+	struct sockaddr_un addr_un;
+#endif /* DRIVER_TEST_UNIX */
+
+	wpa_hexdump(MSG_MSGDUMP, "test_send_eapol TX frame", data, data_len);
+
+	os_memset(&eth, 0, sizeof(eth));
+	os_memcpy(eth.h_dest, dest, ETH_ALEN);
+	os_memcpy(eth.h_source, drv->own_addr, ETH_ALEN);
+	eth.h_proto = host_to_be16(proto);
+
+	msg_len = 6 + sizeof(eth) + data_len;
+	msg = os_malloc(msg_len);
+	if (msg == NULL)
+		return -1;
+	os_memcpy(msg, "EAPOL ", 6);
+	os_memcpy(msg + 6, &eth, sizeof(eth));
+	os_memcpy(msg + 6 + sizeof(eth), data, data_len);
+
+	if (os_memcmp(dest, dbss->bssid, ETH_ALEN) == 0 ||
+	    drv->test_dir == NULL) {
+		if (drv->hostapd_addr_udp_set) {
+			addr = (struct sockaddr *) &drv->hostapd_addr_udp;
+			alen = sizeof(drv->hostapd_addr_udp);
+		} else {
+#ifdef DRIVER_TEST_UNIX
+			addr = (struct sockaddr *) &drv->hostapd_addr;
+			alen = sizeof(drv->hostapd_addr);
+#else /* DRIVER_TEST_UNIX */
+			os_free(msg);
+			return -1;
+#endif /* DRIVER_TEST_UNIX */
+		}
+	} else {
+#ifdef DRIVER_TEST_UNIX
+		struct stat st;
+		os_memset(&addr_un, 0, sizeof(addr_un));
+		addr_un.sun_family = AF_UNIX;
+		os_snprintf(addr_un.sun_path, sizeof(addr_un.sun_path),
+			    "%s/STA-" MACSTR, drv->test_dir, MAC2STR(dest));
+		if (stat(addr_un.sun_path, &st) < 0) {
+			os_snprintf(addr_un.sun_path, sizeof(addr_un.sun_path),
+				    "%s/AP-" MACSTR,
+				    drv->test_dir, MAC2STR(dest));
+		}
+		addr = (struct sockaddr *) &addr_un;
+		alen = sizeof(addr_un);
+#else /* DRIVER_TEST_UNIX */
+		os_free(msg);
+		return -1;
+#endif /* DRIVER_TEST_UNIX */
+	}
+
+	if (sendto(drv->test_socket, msg, msg_len, 0, addr, alen) < 0) {
+		perror("sendmsg(test_socket)");
+		os_free(msg);
+		return -1;
+	}
+
+	os_free(msg);
+	return 0;
+}
+
+
+static int wpa_driver_test_get_capa(void *priv, struct wpa_driver_capa *capa)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	os_memset(capa, 0, sizeof(*capa));
+	capa->key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
+		WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
+		WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
+		WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
+		WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE |
+		WPA_DRIVER_CAPA_KEY_MGMT_FT |
+		WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
+	capa->enc = WPA_DRIVER_CAPA_ENC_WEP40 |
+		WPA_DRIVER_CAPA_ENC_WEP104 |
+		WPA_DRIVER_CAPA_ENC_TKIP |
+		WPA_DRIVER_CAPA_ENC_CCMP;
+	capa->auth = WPA_DRIVER_AUTH_OPEN |
+		WPA_DRIVER_AUTH_SHARED |
+		WPA_DRIVER_AUTH_LEAP;
+	if (drv->use_mlme)
+		capa->flags |= WPA_DRIVER_FLAGS_USER_SPACE_MLME;
+	if (drv->p2p)
+		capa->flags |= WPA_DRIVER_FLAGS_P2P_MGMT;
+	capa->flags |= WPA_DRIVER_FLAGS_AP;
+	capa->flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
+	capa->flags |= WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE;
+	capa->flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
+	capa->max_scan_ssids = 2;
+	capa->max_remain_on_chan = 60000;
+
+	return 0;
+}
+
+
+static int wpa_driver_test_mlme_setprotection(void *priv, const u8 *addr,
+					      int protect_type,
+					      int key_type)
+{
+	wpa_printf(MSG_DEBUG, "%s: protect_type=%d key_type=%d",
+		   __func__, protect_type, key_type);
+
+	if (addr) {
+		wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR,
+			   __func__, MAC2STR(addr));
+	}
+
+	return 0;
+}
+
+
+static int wpa_driver_test_set_channel(void *priv,
+				       enum hostapd_hw_mode phymode,
+				       int chan, int freq)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	wpa_printf(MSG_DEBUG, "%s: phymode=%d chan=%d freq=%d",
+		   __func__, phymode, chan, freq);
+	drv->current_freq = freq;
+	return 0;
+}
+
+
+static int wpa_driver_test_mlme_add_sta(void *priv, const u8 *addr,
+					const u8 *supp_rates,
+					size_t supp_rates_len)
+{
+	wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__, MAC2STR(addr));
+	return 0;
+}
+
+
+static int wpa_driver_test_mlme_remove_sta(void *priv, const u8 *addr)
+{
+	wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__, MAC2STR(addr));
+	return 0;
+}
+
+
+static int wpa_driver_test_set_ssid(void *priv, const u8 *ssid,
+				    size_t ssid_len)
+{
+	wpa_printf(MSG_DEBUG, "%s", __func__);
+	return 0;
+}
+
+
+static int wpa_driver_test_set_bssid(void *priv, const u8 *bssid)
+{
+	wpa_printf(MSG_DEBUG, "%s: bssid=" MACSTR, __func__, MAC2STR(bssid));
+	return 0;
+}
+
+
+static void * wpa_driver_test_global_init(void)
+{
+	struct wpa_driver_test_global *global;
+
+	global = os_zalloc(sizeof(*global));
+	return global;
+}
+
+
+static void wpa_driver_test_global_deinit(void *priv)
+{
+	struct wpa_driver_test_global *global = priv;
+	os_free(global);
+}
+
+
+static struct wpa_interface_info *
+wpa_driver_test_get_interfaces(void *global_priv)
+{
+	/* struct wpa_driver_test_global *global = priv; */
+	struct wpa_interface_info *iface;
+
+	iface = os_zalloc(sizeof(*iface));
+	if (iface == NULL)
+		return iface;
+	iface->ifname = os_strdup("sta0");
+	iface->desc = os_strdup("test interface 0");
+	iface->drv_name = "test";
+	iface->next = os_zalloc(sizeof(*iface));
+	if (iface->next) {
+		iface->next->ifname = os_strdup("sta1");
+		iface->next->desc = os_strdup("test interface 1");
+		iface->next->drv_name = "test";
+	}
+
+	return iface;
+}
+
+
+static struct hostapd_hw_modes *
+wpa_driver_test_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
+{
+	struct hostapd_hw_modes *modes;
+	size_t i;
+
+	*num_modes = 3;
+	*flags = 0;
+	modes = os_zalloc(*num_modes * sizeof(struct hostapd_hw_modes));
+	if (modes == NULL)
+		return NULL;
+	modes[0].mode = HOSTAPD_MODE_IEEE80211G;
+	modes[0].num_channels = 11;
+	modes[0].num_rates = 12;
+	modes[0].channels =
+		os_zalloc(11 * sizeof(struct hostapd_channel_data));
+	modes[0].rates = os_zalloc(modes[0].num_rates * sizeof(int));
+	if (modes[0].channels == NULL || modes[0].rates == NULL)
+		goto fail;
+	for (i = 0; i < 11; i++) {
+		modes[0].channels[i].chan = i + 1;
+		modes[0].channels[i].freq = 2412 + 5 * i;
+		modes[0].channels[i].flag = 0;
+	}
+	modes[0].rates[0] = 10;
+	modes[0].rates[1] = 20;
+	modes[0].rates[2] = 55;
+	modes[0].rates[3] = 110;
+	modes[0].rates[4] = 60;
+	modes[0].rates[5] = 90;
+	modes[0].rates[6] = 120;
+	modes[0].rates[7] = 180;
+	modes[0].rates[8] = 240;
+	modes[0].rates[9] = 360;
+	modes[0].rates[10] = 480;
+	modes[0].rates[11] = 540;
+
+	modes[1].mode = HOSTAPD_MODE_IEEE80211B;
+	modes[1].num_channels = 11;
+	modes[1].num_rates = 4;
+	modes[1].channels =
+		os_zalloc(11 * sizeof(struct hostapd_channel_data));
+	modes[1].rates = os_zalloc(modes[1].num_rates * sizeof(int));
+	if (modes[1].channels == NULL || modes[1].rates == NULL)
+		goto fail;
+	for (i = 0; i < 11; i++) {
+		modes[1].channels[i].chan = i + 1;
+		modes[1].channels[i].freq = 2412 + 5 * i;
+		modes[1].channels[i].flag = 0;
+	}
+	modes[1].rates[0] = 10;
+	modes[1].rates[1] = 20;
+	modes[1].rates[2] = 55;
+	modes[1].rates[3] = 110;
+
+	modes[2].mode = HOSTAPD_MODE_IEEE80211A;
+	modes[2].num_channels = 1;
+	modes[2].num_rates = 8;
+	modes[2].channels = os_zalloc(sizeof(struct hostapd_channel_data));
+	modes[2].rates = os_zalloc(modes[2].num_rates * sizeof(int));
+	if (modes[2].channels == NULL || modes[2].rates == NULL)
+		goto fail;
+	modes[2].channels[0].chan = 60;
+	modes[2].channels[0].freq = 5300;
+	modes[2].channels[0].flag = 0;
+	modes[2].rates[0] = 60;
+	modes[2].rates[1] = 90;
+	modes[2].rates[2] = 120;
+	modes[2].rates[3] = 180;
+	modes[2].rates[4] = 240;
+	modes[2].rates[5] = 360;
+	modes[2].rates[6] = 480;
+	modes[2].rates[7] = 540;
+
+	return modes;
+
+fail:
+	if (modes) {
+		for (i = 0; i < *num_modes; i++) {
+			os_free(modes[i].channels);
+			os_free(modes[i].rates);
+		}
+		os_free(modes);
+	}
+	return NULL;
+}
+
+
+static int wpa_driver_test_set_freq(void *priv,
+				    struct hostapd_freq_params *freq)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	wpa_printf(MSG_DEBUG, "test: set_freq %u MHz", freq->freq);
+	drv->current_freq = freq->freq;
+	return 0;
+}
+
+
+static int wpa_driver_test_send_action(void *priv, unsigned int freq,
+				       unsigned int wait,
+				       const u8 *dst, const u8 *src,
+				       const u8 *bssid,
+				       const u8 *data, size_t data_len)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	int ret = -1;
+	u8 *buf;
+	struct ieee80211_hdr *hdr;
+
+	wpa_printf(MSG_DEBUG, "test: Send Action frame");
+
+	if ((drv->remain_on_channel_freq &&
+	     freq != drv->remain_on_channel_freq) ||
+	    (drv->remain_on_channel_freq == 0 &&
+	     freq != (unsigned int) drv->current_freq)) {
+		wpa_printf(MSG_DEBUG, "test: Reject Action frame TX on "
+			   "unexpected channel: freq=%u MHz (current_freq=%u "
+			   "MHz, remain-on-channel freq=%u MHz)",
+			   freq, drv->current_freq,
+			   drv->remain_on_channel_freq);
+		return -1;
+	}
+
+	buf = os_zalloc(24 + data_len);
+	if (buf == NULL)
+		return ret;
+	os_memcpy(buf + 24, data, data_len);
+	hdr = (struct ieee80211_hdr *) buf;
+	hdr->frame_control =
+		IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
+	os_memcpy(hdr->addr1, dst, ETH_ALEN);
+	os_memcpy(hdr->addr2, src, ETH_ALEN);
+	os_memcpy(hdr->addr3, bssid, ETH_ALEN);
+
+	ret = wpa_driver_test_send_mlme(priv, buf, 24 + data_len);
+	os_free(buf);
+	return ret;
+}
+
+
+#ifdef CONFIG_P2P
+static void test_send_action_cb(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_driver_test_data *drv = eloop_ctx;
+	int res;
+
+	if (drv->pending_action_tx == NULL)
+		return;
+
+	if (drv->off_channel_freq != drv->pending_action_freq) {
+		wpa_printf(MSG_DEBUG, "P2P: Pending Action frame TX "
+			   "waiting for another freq=%u",
+			   drv->pending_action_freq);
+		return;
+	}
+	wpa_printf(MSG_DEBUG, "P2P: Sending pending Action frame to "
+		   MACSTR, MAC2STR(drv->pending_action_dst));
+	res = wpa_driver_test_send_action(drv, drv->pending_action_freq, 0,
+					  drv->pending_action_dst,
+					  drv->pending_action_src,
+					  drv->pending_action_bssid,
+					  wpabuf_head(drv->pending_action_tx),
+					  wpabuf_len(drv->pending_action_tx));
+}
+#endif /* CONFIG_P2P */
+
+
+static void test_remain_on_channel_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_driver_test_data *drv = eloop_ctx;
+	union wpa_event_data data;
+
+	wpa_printf(MSG_DEBUG, "test: Remain-on-channel timeout");
+
+	os_memset(&data, 0, sizeof(data));
+	data.remain_on_channel.freq = drv->remain_on_channel_freq;
+	data.remain_on_channel.duration = drv->remain_on_channel_duration;
+
+	if (drv->p2p)
+		drv->off_channel_freq = 0;
+
+	drv->remain_on_channel_freq = 0;
+
+	wpa_supplicant_event(drv->ctx, EVENT_CANCEL_REMAIN_ON_CHANNEL, &data);
+}
+
+
+static int wpa_driver_test_remain_on_channel(void *priv, unsigned int freq,
+					     unsigned int duration)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	union wpa_event_data data;
+
+	wpa_printf(MSG_DEBUG, "%s(freq=%u, duration=%u)",
+		   __func__, freq, duration);
+	if (drv->remain_on_channel_freq &&
+	    drv->remain_on_channel_freq != freq) {
+		wpa_printf(MSG_DEBUG, "test: Refuse concurrent "
+			   "remain_on_channel request");
+		return -1;
+	}
+
+	drv->remain_on_channel_freq = freq;
+	drv->remain_on_channel_duration = duration;
+	eloop_cancel_timeout(test_remain_on_channel_timeout, drv, NULL);
+	eloop_register_timeout(duration / 1000, (duration % 1000) * 1000,
+			       test_remain_on_channel_timeout, drv, NULL);
+
+	os_memset(&data, 0, sizeof(data));
+	data.remain_on_channel.freq = freq;
+	data.remain_on_channel.duration = duration;
+	wpa_supplicant_event(drv->ctx, EVENT_REMAIN_ON_CHANNEL, &data);
+
+#ifdef CONFIG_P2P
+	if (drv->p2p) {
+		drv->off_channel_freq = drv->remain_on_channel_freq;
+		test_send_action_cb(drv, NULL);
+		if (drv->off_channel_freq == drv->pending_listen_freq) {
+			p2p_listen_cb(drv->p2p, drv->pending_listen_freq,
+				      drv->pending_listen_duration);
+			drv->pending_listen_freq = 0;
+		}
+	}
+#endif /* CONFIG_P2P */
+
+	return 0;
+}
+
+
+static int wpa_driver_test_cancel_remain_on_channel(void *priv)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	wpa_printf(MSG_DEBUG, "%s", __func__);
+	if (!drv->remain_on_channel_freq)
+		return -1;
+	drv->remain_on_channel_freq = 0;
+	eloop_cancel_timeout(test_remain_on_channel_timeout, drv, NULL);
+	return 0;
+}
+
+
+static int wpa_driver_test_probe_req_report(void *priv, int report)
+{
+	struct test_driver_bss *dbss = priv;
+	struct wpa_driver_test_data *drv = dbss->drv;
+	wpa_printf(MSG_DEBUG, "%s(report=%d)", __func__, report);
+	drv->probe_req_report = report;
+	return 0;
+}
+
+
+#ifdef CONFIG_P2P
+
+static int wpa_driver_test_p2p_find(void *priv, unsigned int timeout, int type)
+{
+	struct wpa_driver_test_data *drv = priv;
+	wpa_printf(MSG_DEBUG, "%s(timeout=%u)", __func__, timeout);
+	if (!drv->p2p)
+		return -1;
+	return p2p_find(drv->p2p, timeout, type, 0, NULL);
+}
+
+
+static int wpa_driver_test_p2p_stop_find(void *priv)
+{
+	struct wpa_driver_test_data *drv = priv;
+	wpa_printf(MSG_DEBUG, "%s", __func__);
+	if (!drv->p2p)
+		return -1;
+	p2p_stop_find(drv->p2p);
+	return 0;
+}
+
+
+static int wpa_driver_test_p2p_listen(void *priv, unsigned int timeout)
+{
+	struct wpa_driver_test_data *drv = priv;
+	wpa_printf(MSG_DEBUG, "%s(timeout=%u)", __func__, timeout);
+	if (!drv->p2p)
+		return -1;
+	return p2p_listen(drv->p2p, timeout);
+}
+
+
+static int wpa_driver_test_p2p_connect(void *priv, const u8 *peer_addr,
+				       int wps_method, int go_intent,
+				       const u8 *own_interface_addr,
+				       unsigned int force_freq,
+				       int persistent_group)
+{
+	struct wpa_driver_test_data *drv = priv;
+	wpa_printf(MSG_DEBUG, "%s(peer_addr=" MACSTR " wps_method=%d "
+		   "go_intent=%d "
+		   "own_interface_addr=" MACSTR " force_freq=%u "
+		   "persistent_group=%d)",
+		   __func__, MAC2STR(peer_addr), wps_method, go_intent,
+		   MAC2STR(own_interface_addr), force_freq, persistent_group);
+	if (!drv->p2p)
+		return -1;
+	return p2p_connect(drv->p2p, peer_addr, wps_method, go_intent,
+			   own_interface_addr, force_freq, persistent_group);
+}
+
+
+static int wpa_driver_test_wps_success_cb(void *priv, const u8 *peer_addr)
+{
+	struct wpa_driver_test_data *drv = priv;
+	wpa_printf(MSG_DEBUG, "%s(peer_addr=" MACSTR ")",
+		   __func__, MAC2STR(peer_addr));
+	if (!drv->p2p)
+		return -1;
+	p2p_wps_success_cb(drv->p2p, peer_addr);
+	return 0;
+}
+
+
+static int wpa_driver_test_p2p_group_formation_failed(void *priv)
+{
+	struct wpa_driver_test_data *drv = priv;
+	wpa_printf(MSG_DEBUG, "%s", __func__);
+	if (!drv->p2p)
+		return -1;
+	p2p_group_formation_failed(drv->p2p);
+	return 0;
+}
+
+
+static int wpa_driver_test_p2p_set_params(void *priv,
+					  const struct p2p_params *params)
+{
+	struct wpa_driver_test_data *drv = priv;
+	wpa_printf(MSG_DEBUG, "%s", __func__);
+	if (!drv->p2p)
+		return -1;
+	if (p2p_set_dev_name(drv->p2p, params->dev_name) < 0 ||
+	    p2p_set_pri_dev_type(drv->p2p, params->pri_dev_type) < 0 ||
+	    p2p_set_sec_dev_types(drv->p2p, params->sec_dev_type,
+				  params->num_sec_dev_types) < 0)
+		return -1;
+	return 0;
+}
+
+
+static int test_p2p_scan(void *ctx, enum p2p_scan_type type, int freq,
+			 unsigned int num_req_dev_types,
+			 const u8 *req_dev_types)
+{
+	struct wpa_driver_test_data *drv = ctx;
+	struct wpa_driver_scan_params params;
+	int ret;
+	struct wpabuf *wps_ie, *ies;
+	int social_channels[] = { 2412, 2437, 2462, 0, 0 };
+
+	wpa_printf(MSG_DEBUG, "%s(type=%d freq=%d)",
+		   __func__, type, freq);
+
+	os_memset(&params, 0, sizeof(params));
+
+	/* P2P Wildcard SSID */
+	params.num_ssids = 1;
+	params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID;
+	params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN;
+
+#if 0 /* TODO: WPS IE */
+	wpa_s->wps->dev.p2p = 1;
+	wps_ie = wps_build_probe_req_ie(0, &wpa_s->wps->dev, wpa_s->wps->uuid,
+					WPS_REQ_ENROLLEE);
+#else
+	wps_ie = wpabuf_alloc(1);
+#endif
+	if (wps_ie == NULL)
+		return -1;
+
+	ies = wpabuf_alloc(wpabuf_len(wps_ie) + 100);
+	if (ies == NULL) {
+		wpabuf_free(wps_ie);
+		return -1;
+	}
+	wpabuf_put_buf(ies, wps_ie);
+	wpabuf_free(wps_ie);
+
+	p2p_scan_ie(drv->p2p, ies);
+
+	params.extra_ies = wpabuf_head(ies);
+	params.extra_ies_len = wpabuf_len(ies);
+
+	switch (type) {
+	case P2P_SCAN_SOCIAL:
+		params.freqs = social_channels;
+		break;
+	case P2P_SCAN_FULL:
+		break;
+	case P2P_SCAN_SPECIFIC:
+		social_channels[0] = freq;
+		social_channels[1] = 0;
+		params.freqs = social_channels;
+		break;
+	case P2P_SCAN_SOCIAL_PLUS_ONE:
+		social_channels[3] = freq;
+		params.freqs = social_channels;
+		break;
+	}
+
+	drv->pending_p2p_scan = 1;
+	ret = wpa_driver_test_scan(drv, &params);
+
+	wpabuf_free(ies);
+
+	return ret;
+}
+
+
+static int test_send_action(void *ctx, unsigned int freq, const u8 *dst,
+			    const u8 *src, const u8 *bssid, const u8 *buf,
+			    size_t len, unsigned int wait_time)
+{
+	struct wpa_driver_test_data *drv = ctx;
+
+	wpa_printf(MSG_DEBUG, "%s(freq=%u dst=" MACSTR " src=" MACSTR
+		   " bssid=" MACSTR " len=%d",
+		   __func__, freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
+		   (int) len);
+	if (freq <= 0) {
+		wpa_printf(MSG_WARNING, "P2P: No frequency specified for "
+			   "action frame TX");
+		return -1;
+	}
+
+	if (drv->pending_action_tx) {
+		wpa_printf(MSG_DEBUG, "P2P: Dropped pending Action frame TX "
+			   "to " MACSTR, MAC2STR(drv->pending_action_dst));
+		wpabuf_free(drv->pending_action_tx);
+	}
+	drv->pending_action_tx = wpabuf_alloc(len);
+	if (drv->pending_action_tx == NULL)
+		return -1;
+	wpabuf_put_data(drv->pending_action_tx, buf, len);
+	os_memcpy(drv->pending_action_src, src, ETH_ALEN);
+	os_memcpy(drv->pending_action_dst, dst, ETH_ALEN);
+	os_memcpy(drv->pending_action_bssid, bssid, ETH_ALEN);
+	drv->pending_action_freq = freq;
+
+	if (drv->off_channel_freq == freq) {
+		/* Already on requested channel; send immediately */
+		/* TODO: Would there ever be need to extend the current
+		 * duration on the channel? */
+		eloop_cancel_timeout(test_send_action_cb, drv, NULL);
+		eloop_register_timeout(0, 0, test_send_action_cb, drv, NULL);
+		return 0;
+	}
+
+	wpa_printf(MSG_DEBUG, "P2P: Schedule Action frame to be transmitted "
+		   "once the driver gets to the requested channel");
+	if (wpa_driver_test_remain_on_channel(drv, freq, wait_time) < 0) {
+		wpa_printf(MSG_DEBUG, "P2P: Failed to request driver "
+			   "to remain on channel (%u MHz) for Action "
+			   "Frame TX", freq);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static void test_send_action_done(void *ctx)
+{
+	wpa_printf(MSG_DEBUG, "%s", __func__);
+	/* TODO */
+}
+
+
+static void test_go_neg_completed(void *ctx, struct p2p_go_neg_results *res)
+{
+	struct wpa_driver_test_data *drv = ctx;
+	union wpa_event_data event;
+	wpa_printf(MSG_DEBUG, "%s", __func__);
+	os_memset(&event, 0, sizeof(event));
+	event.p2p_go_neg_completed.res = res;
+	wpa_supplicant_event(drv->ctx, EVENT_P2P_GO_NEG_COMPLETED, &event);
+}
+
+
+static void test_go_neg_req_rx(void *ctx, const u8 *src, u16 dev_passwd_id)
+{
+	struct wpa_driver_test_data *drv = ctx;
+	union wpa_event_data event;
+	wpa_printf(MSG_DEBUG, "%s(src=" MACSTR ")", __func__, MAC2STR(src));
+	os_memset(&event, 0, sizeof(event));
+	event.p2p_go_neg_req_rx.src = src;
+	event.p2p_go_neg_req_rx.dev_passwd_id = dev_passwd_id;
+	wpa_supplicant_event(drv->ctx, EVENT_P2P_GO_NEG_REQ_RX, &event);
+}
+
+
+static void test_dev_found(void *ctx, const u8 *addr,
+			   const struct p2p_peer_info *info, int new_device)
+{
+	struct wpa_driver_test_data *drv = ctx;
+	union wpa_event_data event;
+	char devtype[WPS_DEV_TYPE_BUFSIZE];
+	wpa_printf(MSG_DEBUG, "%s(" MACSTR " p2p_dev_addr=" MACSTR
+		   " pri_dev_type=%s name='%s' config_methods=0x%x "
+		   "dev_capab=0x%x group_capab=0x%x)",
+		   __func__, MAC2STR(addr), MAC2STR(info->p2p_device_addr),
+		   wps_dev_type_bin2str(info->pri_dev_type, devtype,
+					sizeof(devtype)),
+		   info->device_name, info->config_methods, info->dev_capab,
+		   info->group_capab);
+
+	os_memset(&event, 0, sizeof(event));
+	event.p2p_dev_found.addr = addr;
+	event.p2p_dev_found.dev_addr = info->p2p_device_addr;
+	event.p2p_dev_found.pri_dev_type = info->pri_dev_type;
+	event.p2p_dev_found.dev_name = info->device_name;
+	event.p2p_dev_found.config_methods = info->config_methods;
+	event.p2p_dev_found.dev_capab = info->dev_capab;
+	event.p2p_dev_found.group_capab = info->group_capab;
+	wpa_supplicant_event(drv->ctx, EVENT_P2P_DEV_FOUND, &event);
+}
+
+
+static int test_start_listen(void *ctx, unsigned int freq,
+			     unsigned int duration,
+			     const struct wpabuf *probe_resp_ie)
+{
+	struct wpa_driver_test_data *drv = ctx;
+
+	wpa_printf(MSG_DEBUG, "%s(freq=%u duration=%u)",
+		   __func__, freq, duration);
+
+	if (wpa_driver_test_probe_req_report(drv, 1) < 0)
+		return -1;
+
+	drv->pending_listen_freq = freq;
+	drv->pending_listen_duration = duration;
+
+	if (wpa_driver_test_remain_on_channel(drv, freq, duration) < 0) {
+		drv->pending_listen_freq = 0;
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static void test_stop_listen(void *ctx)
+{
+	wpa_printf(MSG_DEBUG, "%s", __func__);
+	/* TODO */
+}
+
+
+static int test_send_probe_resp(void *ctx, const struct wpabuf *buf)
+{
+	struct wpa_driver_test_data *drv = ctx;
+	char resp[512], *pos, *end;
+	int ret;
+	const struct ieee80211_mgmt *mgmt;
+	const u8 *ie, *ie_end;
+
+	wpa_printf(MSG_DEBUG, "%s", __func__);
+	wpa_hexdump_buf(MSG_MSGDUMP, "Probe Response", buf);
+	if (wpabuf_len(buf) < 24)
+		return -1;
+	if (!drv->probe_from) {
+		wpa_printf(MSG_DEBUG, "%s: probe_from not set", __func__);
+		return -1;
+	}
+
+	pos = resp;
+	end = resp + sizeof(resp);
+
+	mgmt = wpabuf_head(buf);
+
+	/* reply: SCANRESP BSSID SSID IEs */
+	ret = os_snprintf(pos, end - pos, "SCANRESP " MACSTR " ",
+			  MAC2STR(mgmt->bssid));
+	if (ret < 0 || ret >= end - pos)
+		return -1;
+	pos += ret;
+
+	ie = mgmt->u.probe_resp.variable;
+	ie_end = wpabuf_head_u8(buf) + wpabuf_len(buf);
+	if (ie_end - ie < 2 || ie[0] != WLAN_EID_SSID ||
+	    ie + 2 + ie[1] > ie_end)
+		return -1;
+	pos += wpa_snprintf_hex(pos, end - pos, ie + 2, ie[1]);
+
+	ret = os_snprintf(pos, end - pos, " ");
+	if (ret < 0 || ret >= end - pos)
+		return -1;
+	pos += ret;
+	pos += wpa_snprintf_hex(pos, end - pos, ie, ie_end - ie);
+
+	sendto(drv->test_socket, resp, pos - resp, 0,
+	       drv->probe_from, drv->probe_from_len);
+
+	return 0;
+}
+
+
+static void test_sd_request(void *ctx, int freq, const u8 *sa, u8 dialog_token,
+			    u16 update_indic, const u8 *tlvs, size_t tlvs_len)
+{
+	wpa_printf(MSG_DEBUG, "%s", __func__);
+	/* TODO */
+}
+
+
+static void test_sd_response(void *ctx, const u8 *sa, u16 update_indic,
+			     const u8 *tlvs, size_t tlvs_len)
+{
+	wpa_printf(MSG_DEBUG, "%s", __func__);
+	/* TODO */
+}
+
+
+static void test_prov_disc_req(void *ctx, const u8 *peer, u16 config_methods,
+			       const u8 *dev_addr, const u8 *pri_dev_type,
+			       const char *dev_name, u16 supp_config_methods,
+			       u8 dev_capab, u8 group_capab)
+{
+	wpa_printf(MSG_DEBUG, "%s(peer=" MACSTR " config_methods=0x%x)",
+		   __func__, MAC2STR(peer), config_methods);
+	/* TODO */
+}
+
+
+static void test_prov_disc_resp(void *ctx, const u8 *peer, u16 config_methods)
+{
+	wpa_printf(MSG_DEBUG, "%s(peer=" MACSTR " config_methods=0x%x)",
+		   __func__, MAC2STR(peer), config_methods);
+	/* TODO */
+}
+
+#endif /* CONFIG_P2P */
+
+
+static int wpa_driver_test_init_p2p(struct wpa_driver_test_data *drv)
+{
+#ifdef CONFIG_P2P
+	struct p2p_config p2p;
+	unsigned int r;
+	int i;
+
+	os_memset(&p2p, 0, sizeof(p2p));
+	p2p.msg_ctx = drv->ctx;
+	p2p.cb_ctx = drv;
+	p2p.p2p_scan = test_p2p_scan;
+	p2p.send_action = test_send_action;
+	p2p.send_action_done = test_send_action_done;
+	p2p.go_neg_completed = test_go_neg_completed;
+	p2p.go_neg_req_rx = test_go_neg_req_rx;
+	p2p.dev_found = test_dev_found;
+	p2p.start_listen = test_start_listen;
+	p2p.stop_listen = test_stop_listen;
+	p2p.send_probe_resp = test_send_probe_resp;
+	p2p.sd_request = test_sd_request;
+	p2p.sd_response = test_sd_response;
+	p2p.prov_disc_req = test_prov_disc_req;
+	p2p.prov_disc_resp = test_prov_disc_resp;
+
+	os_memcpy(p2p.dev_addr, drv->own_addr, ETH_ALEN);
+
+	p2p.reg_class = 12; /* TODO: change depending on location */
+	/*
+	 * Pick one of the social channels randomly as the listen
+	 * channel.
+	 */
+	os_get_random((u8 *) &r, sizeof(r));
+	p2p.channel = 1 + (r % 3) * 5;
+
+	/* TODO: change depending on location */
+	p2p.op_reg_class = 12;
+	/*
+	 * For initial tests, pick the operation channel randomly.
+	 * TODO: Use scan results (etc.) to select the best channel.
+	 */
+	p2p.op_channel = 1 + r % 11;
+
+	os_memcpy(p2p.country, "US ", 3);
+
+	/* FIX: fetch available channels from the driver */
+	p2p.channels.reg_classes = 1;
+	p2p.channels.reg_class[0].reg_class = 12; /* US/12 = 2.4 GHz band */
+	p2p.channels.reg_class[0].channels = 11;
+	for (i = 0; i < 11; i++)
+		p2p.channels.reg_class[0].channel[i] = i + 1;
+
+	p2p.max_peers = 100;
+
+	drv->p2p = p2p_init(&p2p);
+	if (drv->p2p == NULL)
+		return -1;
+	return 0;
+#else /* CONFIG_P2P */
+	wpa_printf(MSG_INFO, "driver_test: P2P support not included");
+	return -1;
+#endif /* CONFIG_P2P */
+}
+
+
+const struct wpa_driver_ops wpa_driver_test_ops = {
+	"test",
+	"wpa_supplicant test driver",
+	.hapd_init = test_driver_init,
+	.hapd_deinit = wpa_driver_test_deinit,
+	.hapd_send_eapol = test_driver_send_eapol,
+	.send_mlme = wpa_driver_test_send_mlme,
+	.set_generic_elem = test_driver_set_generic_elem,
+	.sta_deauth = test_driver_sta_deauth,
+	.sta_disassoc = test_driver_sta_disassoc,
+	.get_hw_feature_data = wpa_driver_test_get_hw_feature_data,
+	.if_add = test_driver_if_add,
+	.if_remove = test_driver_if_remove,
+	.valid_bss_mask = test_driver_valid_bss_mask,
+	.hapd_set_ssid = test_driver_set_ssid,
+	.set_privacy = test_driver_set_privacy,
+	.set_sta_vlan = test_driver_set_sta_vlan,
+	.sta_add = test_driver_sta_add,
+	.send_ether = test_driver_send_ether,
+	.set_ap_wps_ie = test_driver_set_ap_wps_ie,
+	.get_bssid = wpa_driver_test_get_bssid,
+	.get_ssid = wpa_driver_test_get_ssid,
+	.set_key = wpa_driver_test_set_key,
+	.deinit = wpa_driver_test_deinit,
+	.set_param = wpa_driver_test_set_param,
+	.deauthenticate = wpa_driver_test_deauthenticate,
+	.disassociate = wpa_driver_test_disassociate,
+	.associate = wpa_driver_test_associate,
+	.get_capa = wpa_driver_test_get_capa,
+	.get_mac_addr = wpa_driver_test_get_mac_addr,
+	.send_eapol = wpa_driver_test_send_eapol,
+	.mlme_setprotection = wpa_driver_test_mlme_setprotection,
+	.set_channel = wpa_driver_test_set_channel,
+	.set_ssid = wpa_driver_test_set_ssid,
+	.set_bssid = wpa_driver_test_set_bssid,
+	.mlme_add_sta = wpa_driver_test_mlme_add_sta,
+	.mlme_remove_sta = wpa_driver_test_mlme_remove_sta,
+	.get_scan_results2 = wpa_driver_test_get_scan_results2,
+	.global_init = wpa_driver_test_global_init,
+	.global_deinit = wpa_driver_test_global_deinit,
+	.init2 = wpa_driver_test_init2,
+	.get_interfaces = wpa_driver_test_get_interfaces,
+	.scan2 = wpa_driver_test_scan,
+	.set_freq = wpa_driver_test_set_freq,
+	.send_action = wpa_driver_test_send_action,
+	.remain_on_channel = wpa_driver_test_remain_on_channel,
+	.cancel_remain_on_channel = wpa_driver_test_cancel_remain_on_channel,
+	.probe_req_report = wpa_driver_test_probe_req_report,
+#ifdef CONFIG_P2P
+	.p2p_find = wpa_driver_test_p2p_find,
+	.p2p_stop_find = wpa_driver_test_p2p_stop_find,
+	.p2p_listen = wpa_driver_test_p2p_listen,
+	.p2p_connect = wpa_driver_test_p2p_connect,
+	.wps_success_cb = wpa_driver_test_wps_success_cb,
+	.p2p_group_formation_failed =
+	wpa_driver_test_p2p_group_formation_failed,
+	.p2p_set_params = wpa_driver_test_p2p_set_params,
+#endif /* CONFIG_P2P */
+};
diff --git a/src/drivers/driver_wext.c b/src/drivers/driver_wext.c
new file mode 100644
index 0000000..e731101
--- /dev/null
+++ b/src/drivers/driver_wext.c
@@ -0,0 +1,2320 @@
+/*
+ * Driver interaction with generic Linux Wireless Extensions
+ * Copyright (c) 2003-2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This file implements a driver interface for the Linux Wireless Extensions.
+ * When used with WE-18 or newer, this interface can be used as-is with number
+ * of drivers. In addition to this, some of the common functions in this file
+ * can be used by other driver interface implementations that use generic WE
+ * ioctls, but require private ioctls for some of the functionality.
+ */
+
+#include "includes.h"
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <net/if_arp.h>
+
+#include "wireless_copy.h"
+#include "common.h"
+#include "eloop.h"
+#include "common/ieee802_11_defs.h"
+#include "common/wpa_common.h"
+#include "priv_netlink.h"
+#include "netlink.h"
+#include "linux_ioctl.h"
+#include "rfkill.h"
+#include "driver.h"
+#include "driver_wext.h"
+
+
+static int wpa_driver_wext_flush_pmkid(void *priv);
+static int wpa_driver_wext_get_range(void *priv);
+static int wpa_driver_wext_finish_drv_init(struct wpa_driver_wext_data *drv);
+static void wpa_driver_wext_disconnect(struct wpa_driver_wext_data *drv);
+static int wpa_driver_wext_set_auth_alg(void *priv, int auth_alg);
+
+
+int wpa_driver_wext_set_auth_param(struct wpa_driver_wext_data *drv,
+				   int idx, u32 value)
+{
+	struct iwreq iwr;
+	int ret = 0;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	iwr.u.param.flags = idx & IW_AUTH_INDEX;
+	iwr.u.param.value = value;
+
+	if (ioctl(drv->ioctl_sock, SIOCSIWAUTH, &iwr) < 0) {
+		if (errno != EOPNOTSUPP) {
+			wpa_printf(MSG_DEBUG, "WEXT: SIOCSIWAUTH(param %d "
+				   "value 0x%x) failed: %s)",
+				   idx, value, strerror(errno));
+		}
+		ret = errno == EOPNOTSUPP ? -2 : -1;
+	}
+
+	return ret;
+}
+
+
+/**
+ * wpa_driver_wext_get_bssid - Get BSSID, SIOCGIWAP
+ * @priv: Pointer to private wext data from wpa_driver_wext_init()
+ * @bssid: Buffer for BSSID
+ * Returns: 0 on success, -1 on failure
+ */
+int wpa_driver_wext_get_bssid(void *priv, u8 *bssid)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	struct iwreq iwr;
+	int ret = 0;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+
+	if (ioctl(drv->ioctl_sock, SIOCGIWAP, &iwr) < 0) {
+		perror("ioctl[SIOCGIWAP]");
+		ret = -1;
+	}
+	os_memcpy(bssid, iwr.u.ap_addr.sa_data, ETH_ALEN);
+
+	return ret;
+}
+
+
+/**
+ * wpa_driver_wext_set_bssid - Set BSSID, SIOCSIWAP
+ * @priv: Pointer to private wext data from wpa_driver_wext_init()
+ * @bssid: BSSID
+ * Returns: 0 on success, -1 on failure
+ */
+int wpa_driver_wext_set_bssid(void *priv, const u8 *bssid)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	struct iwreq iwr;
+	int ret = 0;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	iwr.u.ap_addr.sa_family = ARPHRD_ETHER;
+	if (bssid)
+		os_memcpy(iwr.u.ap_addr.sa_data, bssid, ETH_ALEN);
+	else
+		os_memset(iwr.u.ap_addr.sa_data, 0, ETH_ALEN);
+
+	if (ioctl(drv->ioctl_sock, SIOCSIWAP, &iwr) < 0) {
+		perror("ioctl[SIOCSIWAP]");
+		ret = -1;
+	}
+
+	return ret;
+}
+
+
+/**
+ * wpa_driver_wext_get_ssid - Get SSID, SIOCGIWESSID
+ * @priv: Pointer to private wext data from wpa_driver_wext_init()
+ * @ssid: Buffer for the SSID; must be at least 32 bytes long
+ * Returns: SSID length on success, -1 on failure
+ */
+int wpa_driver_wext_get_ssid(void *priv, u8 *ssid)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	struct iwreq iwr;
+	int ret = 0;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	iwr.u.essid.pointer = (caddr_t) ssid;
+	iwr.u.essid.length = 32;
+
+	if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
+		perror("ioctl[SIOCGIWESSID]");
+		ret = -1;
+	} else {
+		ret = iwr.u.essid.length;
+		if (ret > 32)
+			ret = 32;
+		/* Some drivers include nul termination in the SSID, so let's
+		 * remove it here before further processing. WE-21 changes this
+		 * to explicitly require the length _not_ to include nul
+		 * termination. */
+		if (ret > 0 && ssid[ret - 1] == '\0' &&
+		    drv->we_version_compiled < 21)
+			ret--;
+	}
+
+	return ret;
+}
+
+
+/**
+ * wpa_driver_wext_set_ssid - Set SSID, SIOCSIWESSID
+ * @priv: Pointer to private wext data from wpa_driver_wext_init()
+ * @ssid: SSID
+ * @ssid_len: Length of SSID (0..32)
+ * Returns: 0 on success, -1 on failure
+ */
+int wpa_driver_wext_set_ssid(void *priv, const u8 *ssid, size_t ssid_len)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	struct iwreq iwr;
+	int ret = 0;
+	char buf[33];
+
+	if (ssid_len > 32)
+		return -1;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	/* flags: 1 = ESSID is active, 0 = not (promiscuous) */
+	iwr.u.essid.flags = (ssid_len != 0);
+	os_memset(buf, 0, sizeof(buf));
+	os_memcpy(buf, ssid, ssid_len);
+	iwr.u.essid.pointer = (caddr_t) buf;
+	if (drv->we_version_compiled < 21) {
+		/* For historic reasons, set SSID length to include one extra
+		 * character, C string nul termination, even though SSID is
+		 * really an octet string that should not be presented as a C
+		 * string. Some Linux drivers decrement the length by one and
+		 * can thus end up missing the last octet of the SSID if the
+		 * length is not incremented here. WE-21 changes this to
+		 * explicitly require the length _not_ to include nul
+		 * termination. */
+		if (ssid_len)
+			ssid_len++;
+	}
+	iwr.u.essid.length = ssid_len;
+
+	if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
+		perror("ioctl[SIOCSIWESSID]");
+		ret = -1;
+	}
+
+	return ret;
+}
+
+
+/**
+ * wpa_driver_wext_set_freq - Set frequency/channel, SIOCSIWFREQ
+ * @priv: Pointer to private wext data from wpa_driver_wext_init()
+ * @freq: Frequency in MHz
+ * Returns: 0 on success, -1 on failure
+ */
+int wpa_driver_wext_set_freq(void *priv, int freq)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	struct iwreq iwr;
+	int ret = 0;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	iwr.u.freq.m = freq * 100000;
+	iwr.u.freq.e = 1;
+
+	if (ioctl(drv->ioctl_sock, SIOCSIWFREQ, &iwr) < 0) {
+		perror("ioctl[SIOCSIWFREQ]");
+		ret = -1;
+	}
+
+	return ret;
+}
+
+
+static void
+wpa_driver_wext_event_wireless_custom(void *ctx, char *custom)
+{
+	union wpa_event_data data;
+
+	wpa_printf(MSG_MSGDUMP, "WEXT: Custom wireless event: '%s'",
+		   custom);
+
+	os_memset(&data, 0, sizeof(data));
+	/* Host AP driver */
+	if (os_strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
+		data.michael_mic_failure.unicast =
+			os_strstr(custom, " unicast ") != NULL;
+		/* TODO: parse parameters(?) */
+		wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
+	} else if (os_strncmp(custom, "ASSOCINFO(ReqIEs=", 17) == 0) {
+		char *spos;
+		int bytes;
+		u8 *req_ies = NULL, *resp_ies = NULL;
+
+		spos = custom + 17;
+
+		bytes = strspn(spos, "0123456789abcdefABCDEF");
+		if (!bytes || (bytes & 1))
+			return;
+		bytes /= 2;
+
+		req_ies = os_malloc(bytes);
+		if (req_ies == NULL ||
+		    hexstr2bin(spos, req_ies, bytes) < 0)
+			goto done;
+		data.assoc_info.req_ies = req_ies;
+		data.assoc_info.req_ies_len = bytes;
+
+		spos += bytes * 2;
+
+		data.assoc_info.resp_ies = NULL;
+		data.assoc_info.resp_ies_len = 0;
+
+		if (os_strncmp(spos, " RespIEs=", 9) == 0) {
+			spos += 9;
+
+			bytes = strspn(spos, "0123456789abcdefABCDEF");
+			if (!bytes || (bytes & 1))
+				goto done;
+			bytes /= 2;
+
+			resp_ies = os_malloc(bytes);
+			if (resp_ies == NULL ||
+			    hexstr2bin(spos, resp_ies, bytes) < 0)
+				goto done;
+			data.assoc_info.resp_ies = resp_ies;
+			data.assoc_info.resp_ies_len = bytes;
+		}
+
+		wpa_supplicant_event(ctx, EVENT_ASSOCINFO, &data);
+
+	done:
+		os_free(resp_ies);
+		os_free(req_ies);
+#ifdef CONFIG_PEERKEY
+	} else if (os_strncmp(custom, "STKSTART.request=", 17) == 0) {
+		if (hwaddr_aton(custom + 17, data.stkstart.peer)) {
+			wpa_printf(MSG_DEBUG, "WEXT: unrecognized "
+				   "STKSTART.request '%s'", custom + 17);
+			return;
+		}
+		wpa_supplicant_event(ctx, EVENT_STKSTART, &data);
+#endif /* CONFIG_PEERKEY */
+	}
+}
+
+
+static int wpa_driver_wext_event_wireless_michaelmicfailure(
+	void *ctx, const char *ev, size_t len)
+{
+	const struct iw_michaelmicfailure *mic;
+	union wpa_event_data data;
+
+	if (len < sizeof(*mic))
+		return -1;
+
+	mic = (const struct iw_michaelmicfailure *) ev;
+
+	wpa_printf(MSG_DEBUG, "Michael MIC failure wireless event: "
+		   "flags=0x%x src_addr=" MACSTR, mic->flags,
+		   MAC2STR(mic->src_addr.sa_data));
+
+	os_memset(&data, 0, sizeof(data));
+	data.michael_mic_failure.unicast = !(mic->flags & IW_MICFAILURE_GROUP);
+	wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
+
+	return 0;
+}
+
+
+static int wpa_driver_wext_event_wireless_pmkidcand(
+	struct wpa_driver_wext_data *drv, const char *ev, size_t len)
+{
+	const struct iw_pmkid_cand *cand;
+	union wpa_event_data data;
+	const u8 *addr;
+
+	if (len < sizeof(*cand))
+		return -1;
+
+	cand = (const struct iw_pmkid_cand *) ev;
+	addr = (const u8 *) cand->bssid.sa_data;
+
+	wpa_printf(MSG_DEBUG, "PMKID candidate wireless event: "
+		   "flags=0x%x index=%d bssid=" MACSTR, cand->flags,
+		   cand->index, MAC2STR(addr));
+
+	os_memset(&data, 0, sizeof(data));
+	os_memcpy(data.pmkid_candidate.bssid, addr, ETH_ALEN);
+	data.pmkid_candidate.index = cand->index;
+	data.pmkid_candidate.preauth = cand->flags & IW_PMKID_CAND_PREAUTH;
+	wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data);
+
+	return 0;
+}
+
+
+static int wpa_driver_wext_event_wireless_assocreqie(
+	struct wpa_driver_wext_data *drv, const char *ev, int len)
+{
+	if (len < 0)
+		return -1;
+
+	wpa_hexdump(MSG_DEBUG, "AssocReq IE wireless event", (const u8 *) ev,
+		    len);
+	os_free(drv->assoc_req_ies);
+	drv->assoc_req_ies = os_malloc(len);
+	if (drv->assoc_req_ies == NULL) {
+		drv->assoc_req_ies_len = 0;
+		return -1;
+	}
+	os_memcpy(drv->assoc_req_ies, ev, len);
+	drv->assoc_req_ies_len = len;
+
+	return 0;
+}
+
+
+static int wpa_driver_wext_event_wireless_assocrespie(
+	struct wpa_driver_wext_data *drv, const char *ev, int len)
+{
+	if (len < 0)
+		return -1;
+
+	wpa_hexdump(MSG_DEBUG, "AssocResp IE wireless event", (const u8 *) ev,
+		    len);
+	os_free(drv->assoc_resp_ies);
+	drv->assoc_resp_ies = os_malloc(len);
+	if (drv->assoc_resp_ies == NULL) {
+		drv->assoc_resp_ies_len = 0;
+		return -1;
+	}
+	os_memcpy(drv->assoc_resp_ies, ev, len);
+	drv->assoc_resp_ies_len = len;
+
+	return 0;
+}
+
+
+static void wpa_driver_wext_event_assoc_ies(struct wpa_driver_wext_data *drv)
+{
+	union wpa_event_data data;
+
+	if (drv->assoc_req_ies == NULL && drv->assoc_resp_ies == NULL)
+		return;
+
+	os_memset(&data, 0, sizeof(data));
+	if (drv->assoc_req_ies) {
+		data.assoc_info.req_ies = drv->assoc_req_ies;
+		data.assoc_info.req_ies_len = drv->assoc_req_ies_len;
+	}
+	if (drv->assoc_resp_ies) {
+		data.assoc_info.resp_ies = drv->assoc_resp_ies;
+		data.assoc_info.resp_ies_len = drv->assoc_resp_ies_len;
+	}
+
+	wpa_supplicant_event(drv->ctx, EVENT_ASSOCINFO, &data);
+
+	os_free(drv->assoc_req_ies);
+	drv->assoc_req_ies = NULL;
+	os_free(drv->assoc_resp_ies);
+	drv->assoc_resp_ies = NULL;
+}
+
+
+static void wpa_driver_wext_event_wireless(struct wpa_driver_wext_data *drv,
+					   char *data, int len)
+{
+	struct iw_event iwe_buf, *iwe = &iwe_buf;
+	char *pos, *end, *custom, *buf;
+
+	pos = data;
+	end = data + len;
+
+	while (pos + IW_EV_LCP_LEN <= end) {
+		/* Event data may be unaligned, so make a local, aligned copy
+		 * before processing. */
+		os_memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
+		wpa_printf(MSG_DEBUG, "Wireless event: cmd=0x%x len=%d",
+			   iwe->cmd, iwe->len);
+		if (iwe->len <= IW_EV_LCP_LEN)
+			return;
+
+		custom = pos + IW_EV_POINT_LEN;
+		if (drv->we_version_compiled > 18 &&
+		    (iwe->cmd == IWEVMICHAELMICFAILURE ||
+		     iwe->cmd == IWEVCUSTOM ||
+		     iwe->cmd == IWEVASSOCREQIE ||
+		     iwe->cmd == IWEVASSOCRESPIE ||
+		     iwe->cmd == IWEVPMKIDCAND)) {
+			/* WE-19 removed the pointer from struct iw_point */
+			char *dpos = (char *) &iwe_buf.u.data.length;
+			int dlen = dpos - (char *) &iwe_buf;
+			os_memcpy(dpos, pos + IW_EV_LCP_LEN,
+				  sizeof(struct iw_event) - dlen);
+		} else {
+			os_memcpy(&iwe_buf, pos, sizeof(struct iw_event));
+			custom += IW_EV_POINT_OFF;
+		}
+
+		switch (iwe->cmd) {
+		case SIOCGIWAP:
+			wpa_printf(MSG_DEBUG, "Wireless event: new AP: "
+				   MACSTR,
+				   MAC2STR((u8 *) iwe->u.ap_addr.sa_data));
+			if (is_zero_ether_addr(
+				    (const u8 *) iwe->u.ap_addr.sa_data) ||
+			    os_memcmp(iwe->u.ap_addr.sa_data,
+				      "\x44\x44\x44\x44\x44\x44", ETH_ALEN) ==
+			    0) {
+				os_free(drv->assoc_req_ies);
+				drv->assoc_req_ies = NULL;
+				os_free(drv->assoc_resp_ies);
+				drv->assoc_resp_ies = NULL;
+				wpa_supplicant_event(drv->ctx, EVENT_DISASSOC,
+						     NULL);
+			
+			} else {
+				wpa_driver_wext_event_assoc_ies(drv);
+				wpa_supplicant_event(drv->ctx, EVENT_ASSOC,
+						     NULL);
+			}
+			break;
+		case IWEVMICHAELMICFAILURE:
+			if (custom + iwe->u.data.length > end) {
+				wpa_printf(MSG_DEBUG, "WEXT: Invalid "
+					   "IWEVMICHAELMICFAILURE length");
+				return;
+			}
+			wpa_driver_wext_event_wireless_michaelmicfailure(
+				drv->ctx, custom, iwe->u.data.length);
+			break;
+		case IWEVCUSTOM:
+			if (custom + iwe->u.data.length > end) {
+				wpa_printf(MSG_DEBUG, "WEXT: Invalid "
+					   "IWEVCUSTOM length");
+				return;
+			}
+			buf = os_malloc(iwe->u.data.length + 1);
+			if (buf == NULL)
+				return;
+			os_memcpy(buf, custom, iwe->u.data.length);
+			buf[iwe->u.data.length] = '\0';
+			wpa_driver_wext_event_wireless_custom(drv->ctx, buf);
+			os_free(buf);
+			break;
+		case SIOCGIWSCAN:
+			drv->scan_complete_events = 1;
+			eloop_cancel_timeout(wpa_driver_wext_scan_timeout,
+					     drv, drv->ctx);
+			wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS,
+					     NULL);
+			break;
+		case IWEVASSOCREQIE:
+			if (custom + iwe->u.data.length > end) {
+				wpa_printf(MSG_DEBUG, "WEXT: Invalid "
+					   "IWEVASSOCREQIE length");
+				return;
+			}
+			wpa_driver_wext_event_wireless_assocreqie(
+				drv, custom, iwe->u.data.length);
+			break;
+		case IWEVASSOCRESPIE:
+			if (custom + iwe->u.data.length > end) {
+				wpa_printf(MSG_DEBUG, "WEXT: Invalid "
+					   "IWEVASSOCRESPIE length");
+				return;
+			}
+			wpa_driver_wext_event_wireless_assocrespie(
+				drv, custom, iwe->u.data.length);
+			break;
+		case IWEVPMKIDCAND:
+			if (custom + iwe->u.data.length > end) {
+				wpa_printf(MSG_DEBUG, "WEXT: Invalid "
+					   "IWEVPMKIDCAND length");
+				return;
+			}
+			wpa_driver_wext_event_wireless_pmkidcand(
+				drv, custom, iwe->u.data.length);
+			break;
+		}
+
+		pos += iwe->len;
+	}
+}
+
+
+static void wpa_driver_wext_event_link(struct wpa_driver_wext_data *drv,
+				       char *buf, size_t len, int del)
+{
+	union wpa_event_data event;
+
+	os_memset(&event, 0, sizeof(event));
+	if (len > sizeof(event.interface_status.ifname))
+		len = sizeof(event.interface_status.ifname) - 1;
+	os_memcpy(event.interface_status.ifname, buf, len);
+	event.interface_status.ievent = del ? EVENT_INTERFACE_REMOVED :
+		EVENT_INTERFACE_ADDED;
+
+	wpa_printf(MSG_DEBUG, "RTM_%sLINK, IFLA_IFNAME: Interface '%s' %s",
+		   del ? "DEL" : "NEW",
+		   event.interface_status.ifname,
+		   del ? "removed" : "added");
+
+	if (os_strcmp(drv->ifname, event.interface_status.ifname) == 0) {
+		if (del)
+			drv->if_removed = 1;
+		else
+			drv->if_removed = 0;
+	}
+
+	wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
+}
+
+
+static int wpa_driver_wext_own_ifname(struct wpa_driver_wext_data *drv,
+				      u8 *buf, size_t len)
+{
+	int attrlen, rta_len;
+	struct rtattr *attr;
+
+	attrlen = len;
+	attr = (struct rtattr *) buf;
+
+	rta_len = RTA_ALIGN(sizeof(struct rtattr));
+	while (RTA_OK(attr, attrlen)) {
+		if (attr->rta_type == IFLA_IFNAME) {
+			if (os_strcmp(((char *) attr) + rta_len, drv->ifname)
+			    == 0)
+				return 1;
+			else
+				break;
+		}
+		attr = RTA_NEXT(attr, attrlen);
+	}
+
+	return 0;
+}
+
+
+static int wpa_driver_wext_own_ifindex(struct wpa_driver_wext_data *drv,
+				       int ifindex, u8 *buf, size_t len)
+{
+	if (drv->ifindex == ifindex || drv->ifindex2 == ifindex)
+		return 1;
+
+	if (drv->if_removed && wpa_driver_wext_own_ifname(drv, buf, len)) {
+		drv->ifindex = if_nametoindex(drv->ifname);
+		wpa_printf(MSG_DEBUG, "WEXT: Update ifindex for a removed "
+			   "interface");
+		wpa_driver_wext_finish_drv_init(drv);
+		return 1;
+	}
+
+	return 0;
+}
+
+
+static void wpa_driver_wext_event_rtm_newlink(void *ctx, struct ifinfomsg *ifi,
+					      u8 *buf, size_t len)
+{
+	struct wpa_driver_wext_data *drv = ctx;
+	int attrlen, rta_len;
+	struct rtattr *attr;
+
+	if (!wpa_driver_wext_own_ifindex(drv, ifi->ifi_index, buf, len)) {
+		wpa_printf(MSG_DEBUG, "Ignore event for foreign ifindex %d",
+			   ifi->ifi_index);
+		return;
+	}
+
+	wpa_printf(MSG_DEBUG, "RTM_NEWLINK: operstate=%d ifi_flags=0x%x "
+		   "(%s%s%s%s)",
+		   drv->operstate, ifi->ifi_flags,
+		   (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
+		   (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
+		   (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
+		   (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
+
+	if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
+		wpa_printf(MSG_DEBUG, "WEXT: Interface down");
+		drv->if_disabled = 1;
+		wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL);
+	}
+
+	if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
+		wpa_printf(MSG_DEBUG, "WEXT: Interface up");
+		drv->if_disabled = 0;
+		wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
+	}
+
+	/*
+	 * Some drivers send the association event before the operup event--in
+	 * this case, lifting operstate in wpa_driver_wext_set_operstate()
+	 * fails. This will hit us when wpa_supplicant does not need to do
+	 * IEEE 802.1X authentication
+	 */
+	if (drv->operstate == 1 &&
+	    (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
+	    !(ifi->ifi_flags & IFF_RUNNING))
+		netlink_send_oper_ifla(drv->netlink, drv->ifindex,
+				       -1, IF_OPER_UP);
+
+	attrlen = len;
+	attr = (struct rtattr *) buf;
+
+	rta_len = RTA_ALIGN(sizeof(struct rtattr));
+	while (RTA_OK(attr, attrlen)) {
+		if (attr->rta_type == IFLA_WIRELESS) {
+			wpa_driver_wext_event_wireless(
+				drv, ((char *) attr) + rta_len,
+				attr->rta_len - rta_len);
+		} else if (attr->rta_type == IFLA_IFNAME) {
+			wpa_driver_wext_event_link(drv,
+						   ((char *) attr) + rta_len,
+						   attr->rta_len - rta_len, 0);
+		}
+		attr = RTA_NEXT(attr, attrlen);
+	}
+}
+
+
+static void wpa_driver_wext_event_rtm_dellink(void *ctx, struct ifinfomsg *ifi,
+					      u8 *buf, size_t len)
+{
+	struct wpa_driver_wext_data *drv = ctx;
+	int attrlen, rta_len;
+	struct rtattr *attr;
+
+	attrlen = len;
+	attr = (struct rtattr *) buf;
+
+	rta_len = RTA_ALIGN(sizeof(struct rtattr));
+	while (RTA_OK(attr, attrlen)) {
+		if (attr->rta_type == IFLA_IFNAME) {
+			wpa_driver_wext_event_link(drv,
+						   ((char *) attr) + rta_len,
+						   attr->rta_len - rta_len, 1);
+		}
+		attr = RTA_NEXT(attr, attrlen);
+	}
+}
+
+
+static void wpa_driver_wext_rfkill_blocked(void *ctx)
+{
+	wpa_printf(MSG_DEBUG, "WEXT: RFKILL blocked");
+	/*
+	 * This may be for any interface; use ifdown event to disable
+	 * interface.
+	 */
+}
+
+
+static void wpa_driver_wext_rfkill_unblocked(void *ctx)
+{
+	struct wpa_driver_wext_data *drv = ctx;
+	wpa_printf(MSG_DEBUG, "WEXT: RFKILL unblocked");
+	if (linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 1)) {
+		wpa_printf(MSG_DEBUG, "WEXT: Could not set interface UP "
+			   "after rfkill unblock");
+		return;
+	}
+	/* rtnetlink ifup handler will report interface as enabled */
+}
+
+
+static void wext_get_phy_name(struct wpa_driver_wext_data *drv)
+{
+	/* Find phy (radio) to which this interface belongs */
+	char buf[90], *pos;
+	int f, rv;
+
+	drv->phyname[0] = '\0';
+	snprintf(buf, sizeof(buf) - 1, "/sys/class/net/%s/phy80211/name",
+		 drv->ifname);
+	f = open(buf, O_RDONLY);
+	if (f < 0) {
+		wpa_printf(MSG_DEBUG, "Could not open file %s: %s",
+			   buf, strerror(errno));
+		return;
+	}
+
+	rv = read(f, drv->phyname, sizeof(drv->phyname) - 1);
+	close(f);
+	if (rv < 0) {
+		wpa_printf(MSG_DEBUG, "Could not read file %s: %s",
+			   buf, strerror(errno));
+		return;
+	}
+
+	drv->phyname[rv] = '\0';
+	pos = os_strchr(drv->phyname, '\n');
+	if (pos)
+		*pos = '\0';
+	wpa_printf(MSG_DEBUG, "wext: interface %s phy: %s",
+		   drv->ifname, drv->phyname);
+}
+
+
+/**
+ * wpa_driver_wext_init - Initialize WE driver interface
+ * @ctx: context to be used when calling wpa_supplicant functions,
+ * e.g., wpa_supplicant_event()
+ * @ifname: interface name, e.g., wlan0
+ * Returns: Pointer to private data, %NULL on failure
+ */
+void * wpa_driver_wext_init(void *ctx, const char *ifname)
+{
+	struct wpa_driver_wext_data *drv;
+	struct netlink_config *cfg;
+	struct rfkill_config *rcfg;
+	char path[128];
+	struct stat buf;
+
+	drv = os_zalloc(sizeof(*drv));
+	if (drv == NULL)
+		return NULL;
+	drv->ctx = ctx;
+	os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
+
+	os_snprintf(path, sizeof(path), "/sys/class/net/%s/phy80211", ifname);
+	if (stat(path, &buf) == 0) {
+		wpa_printf(MSG_DEBUG, "WEXT: cfg80211-based driver detected");
+		drv->cfg80211 = 1;
+		wext_get_phy_name(drv);
+	}
+
+	drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
+	if (drv->ioctl_sock < 0) {
+		perror("socket(PF_INET,SOCK_DGRAM)");
+		goto err1;
+	}
+
+	cfg = os_zalloc(sizeof(*cfg));
+	if (cfg == NULL)
+		goto err1;
+	cfg->ctx = drv;
+	cfg->newlink_cb = wpa_driver_wext_event_rtm_newlink;
+	cfg->dellink_cb = wpa_driver_wext_event_rtm_dellink;
+	drv->netlink = netlink_init(cfg);
+	if (drv->netlink == NULL) {
+		os_free(cfg);
+		goto err2;
+	}
+
+	rcfg = os_zalloc(sizeof(*rcfg));
+	if (rcfg == NULL)
+		goto err3;
+	rcfg->ctx = drv;
+	os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname));
+	rcfg->blocked_cb = wpa_driver_wext_rfkill_blocked;
+	rcfg->unblocked_cb = wpa_driver_wext_rfkill_unblocked;
+	drv->rfkill = rfkill_init(rcfg);
+	if (drv->rfkill == NULL) {
+		wpa_printf(MSG_DEBUG, "WEXT: RFKILL status not available");
+		os_free(rcfg);
+	}
+
+	drv->mlme_sock = -1;
+
+	if (wpa_driver_wext_finish_drv_init(drv) < 0)
+		goto err3;
+
+	wpa_driver_wext_set_auth_param(drv, IW_AUTH_WPA_ENABLED, 1);
+
+	return drv;
+
+err3:
+	rfkill_deinit(drv->rfkill);
+	netlink_deinit(drv->netlink);
+err2:
+	close(drv->ioctl_sock);
+err1:
+	os_free(drv);
+	return NULL;
+}
+
+
+static void wpa_driver_wext_send_rfkill(void *eloop_ctx, void *timeout_ctx)
+{
+	wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
+}
+
+
+static int wpa_driver_wext_finish_drv_init(struct wpa_driver_wext_data *drv)
+{
+	int send_rfkill_event = 0;
+
+	if (linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 1) < 0) {
+		if (rfkill_is_blocked(drv->rfkill)) {
+			wpa_printf(MSG_DEBUG, "WEXT: Could not yet enable "
+				   "interface '%s' due to rfkill",
+				   drv->ifname);
+			drv->if_disabled = 1;
+			send_rfkill_event = 1;
+		} else {
+			wpa_printf(MSG_ERROR, "WEXT: Could not set "
+				   "interface '%s' UP", drv->ifname);
+			return -1;
+		}
+	}
+
+	/*
+	 * Make sure that the driver does not have any obsolete PMKID entries.
+	 */
+	wpa_driver_wext_flush_pmkid(drv);
+
+	if (wpa_driver_wext_set_mode(drv, 0) < 0) {
+		wpa_printf(MSG_DEBUG, "Could not configure driver to use "
+			   "managed mode");
+		/* Try to use it anyway */
+	}
+
+	wpa_driver_wext_get_range(drv);
+
+	/*
+	 * Unlock the driver's BSSID and force to a random SSID to clear any
+	 * previous association the driver might have when the supplicant
+	 * starts up.
+	 */
+	wpa_driver_wext_disconnect(drv);
+
+	drv->ifindex = if_nametoindex(drv->ifname);
+
+	if (os_strncmp(drv->ifname, "wlan", 4) == 0) {
+		/*
+		 * Host AP driver may use both wlan# and wifi# interface in
+		 * wireless events. Since some of the versions included WE-18
+		 * support, let's add the alternative ifindex also from
+		 * driver_wext.c for the time being. This may be removed at
+		 * some point once it is believed that old versions of the
+		 * driver are not in use anymore.
+		 */
+		char ifname2[IFNAMSIZ + 1];
+		os_strlcpy(ifname2, drv->ifname, sizeof(ifname2));
+		os_memcpy(ifname2, "wifi", 4);
+		wpa_driver_wext_alternative_ifindex(drv, ifname2);
+	}
+
+	netlink_send_oper_ifla(drv->netlink, drv->ifindex,
+			       1, IF_OPER_DORMANT);
+
+	if (send_rfkill_event) {
+		eloop_register_timeout(0, 0, wpa_driver_wext_send_rfkill,
+				       drv, drv->ctx);
+	}
+
+	return 0;
+}
+
+
+/**
+ * wpa_driver_wext_deinit - Deinitialize WE driver interface
+ * @priv: Pointer to private wext data from wpa_driver_wext_init()
+ *
+ * Shut down driver interface and processing of driver events. Free
+ * private data buffer if one was allocated in wpa_driver_wext_init().
+ */
+void wpa_driver_wext_deinit(void *priv)
+{
+	struct wpa_driver_wext_data *drv = priv;
+
+	wpa_driver_wext_set_auth_param(drv, IW_AUTH_WPA_ENABLED, 0);
+
+	eloop_cancel_timeout(wpa_driver_wext_scan_timeout, drv, drv->ctx);
+
+	/*
+	 * Clear possibly configured driver parameters in order to make it
+	 * easier to use the driver after wpa_supplicant has been terminated.
+	 */
+	wpa_driver_wext_disconnect(drv);
+
+	netlink_send_oper_ifla(drv->netlink, drv->ifindex, 0, IF_OPER_UP);
+	netlink_deinit(drv->netlink);
+	rfkill_deinit(drv->rfkill);
+
+	if (drv->mlme_sock >= 0)
+		eloop_unregister_read_sock(drv->mlme_sock);
+
+	(void) linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 0);
+
+	close(drv->ioctl_sock);
+	if (drv->mlme_sock >= 0)
+		close(drv->mlme_sock);
+	os_free(drv->assoc_req_ies);
+	os_free(drv->assoc_resp_ies);
+	os_free(drv);
+}
+
+
+/**
+ * wpa_driver_wext_scan_timeout - Scan timeout to report scan completion
+ * @eloop_ctx: Unused
+ * @timeout_ctx: ctx argument given to wpa_driver_wext_init()
+ *
+ * This function can be used as registered timeout when starting a scan to
+ * generate a scan completed event if the driver does not report this.
+ */
+void wpa_driver_wext_scan_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
+	wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
+}
+
+
+/**
+ * wpa_driver_wext_scan - Request the driver to initiate scan
+ * @priv: Pointer to private wext data from wpa_driver_wext_init()
+ * @param: Scan parameters (specific SSID to scan for (ProbeReq), etc.)
+ * Returns: 0 on success, -1 on failure
+ */
+int wpa_driver_wext_scan(void *priv, struct wpa_driver_scan_params *params)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	struct iwreq iwr;
+	int ret = 0, timeout;
+	struct iw_scan_req req;
+	const u8 *ssid = params->ssids[0].ssid;
+	size_t ssid_len = params->ssids[0].ssid_len;
+
+	if (ssid_len > IW_ESSID_MAX_SIZE) {
+		wpa_printf(MSG_DEBUG, "%s: too long SSID (%lu)",
+			   __FUNCTION__, (unsigned long) ssid_len);
+		return -1;
+	}
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+
+	if (ssid && ssid_len) {
+		os_memset(&req, 0, sizeof(req));
+		req.essid_len = ssid_len;
+		req.bssid.sa_family = ARPHRD_ETHER;
+		os_memset(req.bssid.sa_data, 0xff, ETH_ALEN);
+		os_memcpy(req.essid, ssid, ssid_len);
+		iwr.u.data.pointer = (caddr_t) &req;
+		iwr.u.data.length = sizeof(req);
+		iwr.u.data.flags = IW_SCAN_THIS_ESSID;
+	}
+
+	if (ioctl(drv->ioctl_sock, SIOCSIWSCAN, &iwr) < 0) {
+		perror("ioctl[SIOCSIWSCAN]");
+		ret = -1;
+	}
+
+	/* Not all drivers generate "scan completed" wireless event, so try to
+	 * read results after a timeout. */
+	timeout = 5;
+	if (drv->scan_complete_events) {
+		/*
+		 * The driver seems to deliver SIOCGIWSCAN events to notify
+		 * when scan is complete, so use longer timeout to avoid race
+		 * conditions with scanning and following association request.
+		 */
+		timeout = 30;
+	}
+	wpa_printf(MSG_DEBUG, "Scan requested (ret=%d) - scan timeout %d "
+		   "seconds", ret, timeout);
+	eloop_cancel_timeout(wpa_driver_wext_scan_timeout, drv, drv->ctx);
+	eloop_register_timeout(timeout, 0, wpa_driver_wext_scan_timeout, drv,
+			       drv->ctx);
+
+	return ret;
+}
+
+
+static u8 * wpa_driver_wext_giwscan(struct wpa_driver_wext_data *drv,
+				    size_t *len)
+{
+	struct iwreq iwr;
+	u8 *res_buf;
+	size_t res_buf_len;
+
+	res_buf_len = IW_SCAN_MAX_DATA;
+	for (;;) {
+		res_buf = os_malloc(res_buf_len);
+		if (res_buf == NULL)
+			return NULL;
+		os_memset(&iwr, 0, sizeof(iwr));
+		os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+		iwr.u.data.pointer = res_buf;
+		iwr.u.data.length = res_buf_len;
+
+		if (ioctl(drv->ioctl_sock, SIOCGIWSCAN, &iwr) == 0)
+			break;
+
+		if (errno == E2BIG && res_buf_len < 65535) {
+			os_free(res_buf);
+			res_buf = NULL;
+			res_buf_len *= 2;
+			if (res_buf_len > 65535)
+				res_buf_len = 65535; /* 16-bit length field */
+			wpa_printf(MSG_DEBUG, "Scan results did not fit - "
+				   "trying larger buffer (%lu bytes)",
+				   (unsigned long) res_buf_len);
+		} else {
+			perror("ioctl[SIOCGIWSCAN]");
+			os_free(res_buf);
+			return NULL;
+		}
+	}
+
+	if (iwr.u.data.length > res_buf_len) {
+		os_free(res_buf);
+		return NULL;
+	}
+	*len = iwr.u.data.length;
+
+	return res_buf;
+}
+
+
+/*
+ * Data structure for collecting WEXT scan results. This is needed to allow
+ * the various methods of reporting IEs to be combined into a single IE buffer.
+ */
+struct wext_scan_data {
+	struct wpa_scan_res res;
+	u8 *ie;
+	size_t ie_len;
+	u8 ssid[32];
+	size_t ssid_len;
+	int maxrate;
+};
+
+
+static void wext_get_scan_mode(struct iw_event *iwe,
+			       struct wext_scan_data *res)
+{
+	if (iwe->u.mode == IW_MODE_ADHOC)
+		res->res.caps |= IEEE80211_CAP_IBSS;
+	else if (iwe->u.mode == IW_MODE_MASTER || iwe->u.mode == IW_MODE_INFRA)
+		res->res.caps |= IEEE80211_CAP_ESS;
+}
+
+
+static void wext_get_scan_ssid(struct iw_event *iwe,
+			       struct wext_scan_data *res, char *custom,
+			       char *end)
+{
+	int ssid_len = iwe->u.essid.length;
+	if (custom + ssid_len > end)
+		return;
+	if (iwe->u.essid.flags &&
+	    ssid_len > 0 &&
+	    ssid_len <= IW_ESSID_MAX_SIZE) {
+		os_memcpy(res->ssid, custom, ssid_len);
+		res->ssid_len = ssid_len;
+	}
+}
+
+
+static void wext_get_scan_freq(struct iw_event *iwe,
+			       struct wext_scan_data *res)
+{
+	int divi = 1000000, i;
+
+	if (iwe->u.freq.e == 0) {
+		/*
+		 * Some drivers do not report frequency, but a channel.
+		 * Try to map this to frequency by assuming they are using
+		 * IEEE 802.11b/g.  But don't overwrite a previously parsed
+		 * frequency if the driver sends both frequency and channel,
+		 * since the driver may be sending an A-band channel that we
+		 * don't handle here.
+		 */
+
+		if (res->res.freq)
+			return;
+
+		if (iwe->u.freq.m >= 1 && iwe->u.freq.m <= 13) {
+			res->res.freq = 2407 + 5 * iwe->u.freq.m;
+			return;
+		} else if (iwe->u.freq.m == 14) {
+			res->res.freq = 2484;
+			return;
+		}
+	}
+
+	if (iwe->u.freq.e > 6) {
+		wpa_printf(MSG_DEBUG, "Invalid freq in scan results (BSSID="
+			   MACSTR " m=%d e=%d)",
+			   MAC2STR(res->res.bssid), iwe->u.freq.m,
+			   iwe->u.freq.e);
+		return;
+	}
+
+	for (i = 0; i < iwe->u.freq.e; i++)
+		divi /= 10;
+	res->res.freq = iwe->u.freq.m / divi;
+}
+
+
+static void wext_get_scan_qual(struct wpa_driver_wext_data *drv,
+			       struct iw_event *iwe,
+			       struct wext_scan_data *res)
+{
+	res->res.qual = iwe->u.qual.qual;
+	res->res.noise = iwe->u.qual.noise;
+	res->res.level = iwe->u.qual.level;
+	if (iwe->u.qual.updated & IW_QUAL_QUAL_INVALID)
+		res->res.flags |= WPA_SCAN_QUAL_INVALID;
+	if (iwe->u.qual.updated & IW_QUAL_LEVEL_INVALID)
+		res->res.flags |= WPA_SCAN_LEVEL_INVALID;
+	if (iwe->u.qual.updated & IW_QUAL_NOISE_INVALID)
+		res->res.flags |= WPA_SCAN_NOISE_INVALID;
+	if (iwe->u.qual.updated & IW_QUAL_DBM)
+		res->res.flags |= WPA_SCAN_LEVEL_DBM;
+	if ((iwe->u.qual.updated & IW_QUAL_DBM) ||
+	    ((iwe->u.qual.level != 0) &&
+	     (iwe->u.qual.level > drv->max_level))) {
+		if (iwe->u.qual.level >= 64)
+			res->res.level -= 0x100;
+		if (iwe->u.qual.noise >= 64)
+			res->res.noise -= 0x100;
+	}
+}
+
+
+static void wext_get_scan_encode(struct iw_event *iwe,
+				 struct wext_scan_data *res)
+{
+	if (!(iwe->u.data.flags & IW_ENCODE_DISABLED))
+		res->res.caps |= IEEE80211_CAP_PRIVACY;
+}
+
+
+static void wext_get_scan_rate(struct iw_event *iwe,
+			       struct wext_scan_data *res, char *pos,
+			       char *end)
+{
+	int maxrate;
+	char *custom = pos + IW_EV_LCP_LEN;
+	struct iw_param p;
+	size_t clen;
+
+	clen = iwe->len;
+	if (custom + clen > end)
+		return;
+	maxrate = 0;
+	while (((ssize_t) clen) >= (ssize_t) sizeof(struct iw_param)) {
+		/* Note: may be misaligned, make a local, aligned copy */
+		os_memcpy(&p, custom, sizeof(struct iw_param));
+		if (p.value > maxrate)
+			maxrate = p.value;
+		clen -= sizeof(struct iw_param);
+		custom += sizeof(struct iw_param);
+	}
+
+	/* Convert the maxrate from WE-style (b/s units) to
+	 * 802.11 rates (500000 b/s units).
+	 */
+	res->maxrate = maxrate / 500000;
+}
+
+
+static void wext_get_scan_iwevgenie(struct iw_event *iwe,
+				    struct wext_scan_data *res, char *custom,
+				    char *end)
+{
+	char *genie, *gpos, *gend;
+	u8 *tmp;
+
+	if (iwe->u.data.length == 0)
+		return;
+
+	gpos = genie = custom;
+	gend = genie + iwe->u.data.length;
+	if (gend > end) {
+		wpa_printf(MSG_INFO, "IWEVGENIE overflow");
+		return;
+	}
+
+	tmp = os_realloc(res->ie, res->ie_len + gend - gpos);
+	if (tmp == NULL)
+		return;
+	os_memcpy(tmp + res->ie_len, gpos, gend - gpos);
+	res->ie = tmp;
+	res->ie_len += gend - gpos;
+}
+
+
+static void wext_get_scan_custom(struct iw_event *iwe,
+				 struct wext_scan_data *res, char *custom,
+				 char *end)
+{
+	size_t clen;
+	u8 *tmp;
+
+	clen = iwe->u.data.length;
+	if (custom + clen > end)
+		return;
+
+	if (clen > 7 && os_strncmp(custom, "wpa_ie=", 7) == 0) {
+		char *spos;
+		int bytes;
+		spos = custom + 7;
+		bytes = custom + clen - spos;
+		if (bytes & 1 || bytes == 0)
+			return;
+		bytes /= 2;
+		tmp = os_realloc(res->ie, res->ie_len + bytes);
+		if (tmp == NULL)
+			return;
+		res->ie = tmp;
+		if (hexstr2bin(spos, tmp + res->ie_len, bytes) < 0)
+			return;
+		res->ie_len += bytes;
+	} else if (clen > 7 && os_strncmp(custom, "rsn_ie=", 7) == 0) {
+		char *spos;
+		int bytes;
+		spos = custom + 7;
+		bytes = custom + clen - spos;
+		if (bytes & 1 || bytes == 0)
+			return;
+		bytes /= 2;
+		tmp = os_realloc(res->ie, res->ie_len + bytes);
+		if (tmp == NULL)
+			return;
+		res->ie = tmp;
+		if (hexstr2bin(spos, tmp + res->ie_len, bytes) < 0)
+			return;
+		res->ie_len += bytes;
+	} else if (clen > 4 && os_strncmp(custom, "tsf=", 4) == 0) {
+		char *spos;
+		int bytes;
+		u8 bin[8];
+		spos = custom + 4;
+		bytes = custom + clen - spos;
+		if (bytes != 16) {
+			wpa_printf(MSG_INFO, "Invalid TSF length (%d)", bytes);
+			return;
+		}
+		bytes /= 2;
+		if (hexstr2bin(spos, bin, bytes) < 0) {
+			wpa_printf(MSG_DEBUG, "WEXT: Invalid TSF value");
+			return;
+		}
+		res->res.tsf += WPA_GET_BE64(bin);
+	}
+}
+
+
+static int wext_19_iw_point(struct wpa_driver_wext_data *drv, u16 cmd)
+{
+	return drv->we_version_compiled > 18 &&
+		(cmd == SIOCGIWESSID || cmd == SIOCGIWENCODE ||
+		 cmd == IWEVGENIE || cmd == IWEVCUSTOM);
+}
+
+
+static void wpa_driver_wext_add_scan_entry(struct wpa_scan_results *res,
+					   struct wext_scan_data *data)
+{
+	struct wpa_scan_res **tmp;
+	struct wpa_scan_res *r;
+	size_t extra_len;
+	u8 *pos, *end, *ssid_ie = NULL, *rate_ie = NULL;
+
+	/* Figure out whether we need to fake any IEs */
+	pos = data->ie;
+	end = pos + data->ie_len;
+	while (pos && pos + 1 < end) {
+		if (pos + 2 + pos[1] > end)
+			break;
+		if (pos[0] == WLAN_EID_SSID)
+			ssid_ie = pos;
+		else if (pos[0] == WLAN_EID_SUPP_RATES)
+			rate_ie = pos;
+		else if (pos[0] == WLAN_EID_EXT_SUPP_RATES)
+			rate_ie = pos;
+		pos += 2 + pos[1];
+	}
+
+	extra_len = 0;
+	if (ssid_ie == NULL)
+		extra_len += 2 + data->ssid_len;
+	if (rate_ie == NULL && data->maxrate)
+		extra_len += 3;
+
+	r = os_zalloc(sizeof(*r) + extra_len + data->ie_len);
+	if (r == NULL)
+		return;
+	os_memcpy(r, &data->res, sizeof(*r));
+	r->ie_len = extra_len + data->ie_len;
+	pos = (u8 *) (r + 1);
+	if (ssid_ie == NULL) {
+		/*
+		 * Generate a fake SSID IE since the driver did not report
+		 * a full IE list.
+		 */
+		*pos++ = WLAN_EID_SSID;
+		*pos++ = data->ssid_len;
+		os_memcpy(pos, data->ssid, data->ssid_len);
+		pos += data->ssid_len;
+	}
+	if (rate_ie == NULL && data->maxrate) {
+		/*
+		 * Generate a fake Supported Rates IE since the driver did not
+		 * report a full IE list.
+		 */
+		*pos++ = WLAN_EID_SUPP_RATES;
+		*pos++ = 1;
+		*pos++ = data->maxrate;
+	}
+	if (data->ie)
+		os_memcpy(pos, data->ie, data->ie_len);
+
+	tmp = os_realloc(res->res,
+			 (res->num + 1) * sizeof(struct wpa_scan_res *));
+	if (tmp == NULL) {
+		os_free(r);
+		return;
+	}
+	tmp[res->num++] = r;
+	res->res = tmp;
+}
+				      
+
+/**
+ * wpa_driver_wext_get_scan_results - Fetch the latest scan results
+ * @priv: Pointer to private wext data from wpa_driver_wext_init()
+ * Returns: Scan results on success, -1 on failure
+ */
+struct wpa_scan_results * wpa_driver_wext_get_scan_results(void *priv)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	size_t ap_num = 0, len;
+	int first;
+	u8 *res_buf;
+	struct iw_event iwe_buf, *iwe = &iwe_buf;
+	char *pos, *end, *custom;
+	struct wpa_scan_results *res;
+	struct wext_scan_data data;
+
+	res_buf = wpa_driver_wext_giwscan(drv, &len);
+	if (res_buf == NULL)
+		return NULL;
+
+	ap_num = 0;
+	first = 1;
+
+	res = os_zalloc(sizeof(*res));
+	if (res == NULL) {
+		os_free(res_buf);
+		return NULL;
+	}
+
+	pos = (char *) res_buf;
+	end = (char *) res_buf + len;
+	os_memset(&data, 0, sizeof(data));
+
+	while (pos + IW_EV_LCP_LEN <= end) {
+		/* Event data may be unaligned, so make a local, aligned copy
+		 * before processing. */
+		os_memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
+		if (iwe->len <= IW_EV_LCP_LEN)
+			break;
+
+		custom = pos + IW_EV_POINT_LEN;
+		if (wext_19_iw_point(drv, iwe->cmd)) {
+			/* WE-19 removed the pointer from struct iw_point */
+			char *dpos = (char *) &iwe_buf.u.data.length;
+			int dlen = dpos - (char *) &iwe_buf;
+			os_memcpy(dpos, pos + IW_EV_LCP_LEN,
+				  sizeof(struct iw_event) - dlen);
+		} else {
+			os_memcpy(&iwe_buf, pos, sizeof(struct iw_event));
+			custom += IW_EV_POINT_OFF;
+		}
+
+		switch (iwe->cmd) {
+		case SIOCGIWAP:
+			if (!first)
+				wpa_driver_wext_add_scan_entry(res, &data);
+			first = 0;
+			os_free(data.ie);
+			os_memset(&data, 0, sizeof(data));
+			os_memcpy(data.res.bssid,
+				  iwe->u.ap_addr.sa_data, ETH_ALEN);
+			break;
+		case SIOCGIWMODE:
+			wext_get_scan_mode(iwe, &data);
+			break;
+		case SIOCGIWESSID:
+			wext_get_scan_ssid(iwe, &data, custom, end);
+			break;
+		case SIOCGIWFREQ:
+			wext_get_scan_freq(iwe, &data);
+			break;
+		case IWEVQUAL:
+			wext_get_scan_qual(drv, iwe, &data);
+			break;
+		case SIOCGIWENCODE:
+			wext_get_scan_encode(iwe, &data);
+			break;
+		case SIOCGIWRATE:
+			wext_get_scan_rate(iwe, &data, pos, end);
+			break;
+		case IWEVGENIE:
+			wext_get_scan_iwevgenie(iwe, &data, custom, end);
+			break;
+		case IWEVCUSTOM:
+			wext_get_scan_custom(iwe, &data, custom, end);
+			break;
+		}
+
+		pos += iwe->len;
+	}
+	os_free(res_buf);
+	res_buf = NULL;
+	if (!first)
+		wpa_driver_wext_add_scan_entry(res, &data);
+	os_free(data.ie);
+
+	wpa_printf(MSG_DEBUG, "Received %lu bytes of scan results (%lu BSSes)",
+		   (unsigned long) len, (unsigned long) res->num);
+
+	return res;
+}
+
+
+static int wpa_driver_wext_get_range(void *priv)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	struct iw_range *range;
+	struct iwreq iwr;
+	int minlen;
+	size_t buflen;
+
+	/*
+	 * Use larger buffer than struct iw_range in order to allow the
+	 * structure to grow in the future.
+	 */
+	buflen = sizeof(struct iw_range) + 500;
+	range = os_zalloc(buflen);
+	if (range == NULL)
+		return -1;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	iwr.u.data.pointer = (caddr_t) range;
+	iwr.u.data.length = buflen;
+
+	minlen = ((char *) &range->enc_capa) - (char *) range +
+		sizeof(range->enc_capa);
+
+	if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
+		perror("ioctl[SIOCGIWRANGE]");
+		os_free(range);
+		return -1;
+	} else if (iwr.u.data.length >= minlen &&
+		   range->we_version_compiled >= 18) {
+		wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
+			   "WE(source)=%d enc_capa=0x%x",
+			   range->we_version_compiled,
+			   range->we_version_source,
+			   range->enc_capa);
+		drv->has_capability = 1;
+		drv->we_version_compiled = range->we_version_compiled;
+		if (range->enc_capa & IW_ENC_CAPA_WPA) {
+			drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA |
+				WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
+		}
+		if (range->enc_capa & IW_ENC_CAPA_WPA2) {
+			drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
+				WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
+		}
+		drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 |
+			WPA_DRIVER_CAPA_ENC_WEP104;
+		if (range->enc_capa & IW_ENC_CAPA_CIPHER_TKIP)
+			drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
+		if (range->enc_capa & IW_ENC_CAPA_CIPHER_CCMP)
+			drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
+		if (range->enc_capa & IW_ENC_CAPA_4WAY_HANDSHAKE)
+			drv->capa.flags |= WPA_DRIVER_FLAGS_4WAY_HANDSHAKE;
+		drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
+			WPA_DRIVER_AUTH_SHARED |
+			WPA_DRIVER_AUTH_LEAP;
+		drv->capa.max_scan_ssids = 1;
+
+		wpa_printf(MSG_DEBUG, "  capabilities: key_mgmt 0x%x enc 0x%x "
+			   "flags 0x%x",
+			   drv->capa.key_mgmt, drv->capa.enc, drv->capa.flags);
+	} else {
+		wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: too old (short) data - "
+			   "assuming WPA is not supported");
+	}
+
+	drv->max_level = range->max_qual.level;
+
+	os_free(range);
+	return 0;
+}
+
+
+static int wpa_driver_wext_set_psk(struct wpa_driver_wext_data *drv,
+				   const u8 *psk)
+{
+	struct iw_encode_ext *ext;
+	struct iwreq iwr;
+	int ret;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	if (!(drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE))
+		return 0;
+
+	if (!psk)
+		return 0;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+
+	ext = os_zalloc(sizeof(*ext) + PMK_LEN);
+	if (ext == NULL)
+		return -1;
+
+	iwr.u.encoding.pointer = (caddr_t) ext;
+	iwr.u.encoding.length = sizeof(*ext) + PMK_LEN;
+	ext->key_len = PMK_LEN;
+	os_memcpy(&ext->key, psk, ext->key_len);
+	ext->alg = IW_ENCODE_ALG_PMK;
+
+	ret = ioctl(drv->ioctl_sock, SIOCSIWENCODEEXT, &iwr);
+	if (ret < 0)
+		perror("ioctl[SIOCSIWENCODEEXT] PMK");
+	os_free(ext);
+
+	return ret;
+}
+
+
+static int wpa_driver_wext_set_key_ext(void *priv, enum wpa_alg alg,
+				       const u8 *addr, int key_idx,
+				       int set_tx, const u8 *seq,
+				       size_t seq_len,
+				       const u8 *key, size_t key_len)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	struct iwreq iwr;
+	int ret = 0;
+	struct iw_encode_ext *ext;
+
+	if (seq_len > IW_ENCODE_SEQ_MAX_SIZE) {
+		wpa_printf(MSG_DEBUG, "%s: Invalid seq_len %lu",
+			   __FUNCTION__, (unsigned long) seq_len);
+		return -1;
+	}
+
+	ext = os_zalloc(sizeof(*ext) + key_len);
+	if (ext == NULL)
+		return -1;
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	iwr.u.encoding.flags = key_idx + 1;
+	iwr.u.encoding.flags |= IW_ENCODE_TEMP;
+	if (alg == WPA_ALG_NONE)
+		iwr.u.encoding.flags |= IW_ENCODE_DISABLED;
+	iwr.u.encoding.pointer = (caddr_t) ext;
+	iwr.u.encoding.length = sizeof(*ext) + key_len;
+
+	if (addr == NULL || is_broadcast_ether_addr(addr))
+		ext->ext_flags |= IW_ENCODE_EXT_GROUP_KEY;
+	if (set_tx)
+		ext->ext_flags |= IW_ENCODE_EXT_SET_TX_KEY;
+
+	ext->addr.sa_family = ARPHRD_ETHER;
+	if (addr)
+		os_memcpy(ext->addr.sa_data, addr, ETH_ALEN);
+	else
+		os_memset(ext->addr.sa_data, 0xff, ETH_ALEN);
+	if (key && key_len) {
+		os_memcpy(ext + 1, key, key_len);
+		ext->key_len = key_len;
+	}
+	switch (alg) {
+	case WPA_ALG_NONE:
+		ext->alg = IW_ENCODE_ALG_NONE;
+		break;
+	case WPA_ALG_WEP:
+		ext->alg = IW_ENCODE_ALG_WEP;
+		break;
+	case WPA_ALG_TKIP:
+		ext->alg = IW_ENCODE_ALG_TKIP;
+		break;
+	case WPA_ALG_CCMP:
+		ext->alg = IW_ENCODE_ALG_CCMP;
+		break;
+	case WPA_ALG_PMK:
+		ext->alg = IW_ENCODE_ALG_PMK;
+		break;
+#ifdef CONFIG_IEEE80211W
+	case WPA_ALG_IGTK:
+		ext->alg = IW_ENCODE_ALG_AES_CMAC;
+		break;
+#endif /* CONFIG_IEEE80211W */
+	default:
+		wpa_printf(MSG_DEBUG, "%s: Unknown algorithm %d",
+			   __FUNCTION__, alg);
+		os_free(ext);
+		return -1;
+	}
+
+	if (seq && seq_len) {
+		ext->ext_flags |= IW_ENCODE_EXT_RX_SEQ_VALID;
+		os_memcpy(ext->rx_seq, seq, seq_len);
+	}
+
+	if (ioctl(drv->ioctl_sock, SIOCSIWENCODEEXT, &iwr) < 0) {
+		ret = errno == EOPNOTSUPP ? -2 : -1;
+		if (errno == ENODEV) {
+			/*
+			 * ndiswrapper seems to be returning incorrect error
+			 * code.. */
+			ret = -2;
+		}
+
+		perror("ioctl[SIOCSIWENCODEEXT]");
+	}
+
+	os_free(ext);
+	return ret;
+}
+
+
+/**
+ * wpa_driver_wext_set_key - Configure encryption key
+ * @priv: Pointer to private wext data from wpa_driver_wext_init()
+ * @priv: Private driver interface data
+ * @alg: Encryption algorithm (%WPA_ALG_NONE, %WPA_ALG_WEP,
+ *	%WPA_ALG_TKIP, %WPA_ALG_CCMP); %WPA_ALG_NONE clears the key.
+ * @addr: Address of the peer STA or ff:ff:ff:ff:ff:ff for
+ *	broadcast/default keys
+ * @key_idx: key index (0..3), usually 0 for unicast keys
+ * @set_tx: Configure this key as the default Tx key (only used when
+ *	driver does not support separate unicast/individual key
+ * @seq: Sequence number/packet number, seq_len octets, the next
+ *	packet number to be used for in replay protection; configured
+ *	for Rx keys (in most cases, this is only used with broadcast
+ *	keys and set to zero for unicast keys)
+ * @seq_len: Length of the seq, depends on the algorithm:
+ *	TKIP: 6 octets, CCMP: 6 octets
+ * @key: Key buffer; TKIP: 16-byte temporal key, 8-byte Tx Mic key,
+ *	8-byte Rx Mic Key
+ * @key_len: Length of the key buffer in octets (WEP: 5 or 13,
+ *	TKIP: 32, CCMP: 16)
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function uses SIOCSIWENCODEEXT by default, but tries to use
+ * SIOCSIWENCODE if the extended ioctl fails when configuring a WEP key.
+ */
+int wpa_driver_wext_set_key(const char *ifname, void *priv, enum wpa_alg alg,
+			    const u8 *addr, int key_idx,
+			    int set_tx, const u8 *seq, size_t seq_len,
+			    const u8 *key, size_t key_len)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	struct iwreq iwr;
+	int ret = 0;
+
+	wpa_printf(MSG_DEBUG, "%s: alg=%d key_idx=%d set_tx=%d seq_len=%lu "
+		   "key_len=%lu",
+		   __FUNCTION__, alg, key_idx, set_tx,
+		   (unsigned long) seq_len, (unsigned long) key_len);
+
+	ret = wpa_driver_wext_set_key_ext(drv, alg, addr, key_idx, set_tx,
+					  seq, seq_len, key, key_len);
+	if (ret == 0)
+		return 0;
+
+	if (ret == -2 &&
+	    (alg == WPA_ALG_NONE || alg == WPA_ALG_WEP)) {
+		wpa_printf(MSG_DEBUG, "Driver did not support "
+			   "SIOCSIWENCODEEXT, trying SIOCSIWENCODE");
+		ret = 0;
+	} else {
+		wpa_printf(MSG_DEBUG, "Driver did not support "
+			   "SIOCSIWENCODEEXT");
+		return ret;
+	}
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	iwr.u.encoding.flags = key_idx + 1;
+	iwr.u.encoding.flags |= IW_ENCODE_TEMP;
+	if (alg == WPA_ALG_NONE)
+		iwr.u.encoding.flags |= IW_ENCODE_DISABLED;
+	iwr.u.encoding.pointer = (caddr_t) key;
+	iwr.u.encoding.length = key_len;
+
+	if (ioctl(drv->ioctl_sock, SIOCSIWENCODE, &iwr) < 0) {
+		perror("ioctl[SIOCSIWENCODE]");
+		ret = -1;
+	}
+
+	if (set_tx && alg != WPA_ALG_NONE) {
+		os_memset(&iwr, 0, sizeof(iwr));
+		os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+		iwr.u.encoding.flags = key_idx + 1;
+		iwr.u.encoding.flags |= IW_ENCODE_TEMP;
+		iwr.u.encoding.pointer = (caddr_t) NULL;
+		iwr.u.encoding.length = 0;
+		if (ioctl(drv->ioctl_sock, SIOCSIWENCODE, &iwr) < 0) {
+			perror("ioctl[SIOCSIWENCODE] (set_tx)");
+			ret = -1;
+		}
+	}
+
+	return ret;
+}
+
+
+static int wpa_driver_wext_set_countermeasures(void *priv,
+					       int enabled)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+	return wpa_driver_wext_set_auth_param(drv,
+					      IW_AUTH_TKIP_COUNTERMEASURES,
+					      enabled);
+}
+
+
+static int wpa_driver_wext_set_drop_unencrypted(void *priv,
+						int enabled)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+	drv->use_crypt = enabled;
+	return wpa_driver_wext_set_auth_param(drv, IW_AUTH_DROP_UNENCRYPTED,
+					      enabled);
+}
+
+
+static int wpa_driver_wext_mlme(struct wpa_driver_wext_data *drv,
+				const u8 *addr, int cmd, int reason_code)
+{
+	struct iwreq iwr;
+	struct iw_mlme mlme;
+	int ret = 0;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	os_memset(&mlme, 0, sizeof(mlme));
+	mlme.cmd = cmd;
+	mlme.reason_code = reason_code;
+	mlme.addr.sa_family = ARPHRD_ETHER;
+	os_memcpy(mlme.addr.sa_data, addr, ETH_ALEN);
+	iwr.u.data.pointer = (caddr_t) &mlme;
+	iwr.u.data.length = sizeof(mlme);
+
+	if (ioctl(drv->ioctl_sock, SIOCSIWMLME, &iwr) < 0) {
+		perror("ioctl[SIOCSIWMLME]");
+		ret = -1;
+	}
+
+	return ret;
+}
+
+
+static void wpa_driver_wext_disconnect(struct wpa_driver_wext_data *drv)
+{
+	struct iwreq iwr;
+	const u8 null_bssid[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 };
+	u8 ssid[32];
+	int i;
+
+	/*
+	 * Only force-disconnect when the card is in infrastructure mode,
+	 * otherwise the driver might interpret the cleared BSSID and random
+	 * SSID as an attempt to create a new ad-hoc network.
+	 */
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	if (ioctl(drv->ioctl_sock, SIOCGIWMODE, &iwr) < 0) {
+		perror("ioctl[SIOCGIWMODE]");
+		iwr.u.mode = IW_MODE_INFRA;
+	}
+
+	if (iwr.u.mode == IW_MODE_INFRA) {
+		if (drv->cfg80211) {
+			/*
+			 * cfg80211 supports SIOCSIWMLME commands, so there is
+			 * no need for the random SSID hack, but clear the
+			 * BSSID and SSID.
+			 */
+			if (wpa_driver_wext_set_bssid(drv, null_bssid) < 0 ||
+			    wpa_driver_wext_set_ssid(drv, (u8 *) "", 0) < 0) {
+				wpa_printf(MSG_DEBUG, "WEXT: Failed to clear "
+					   "to disconnect");
+			}
+			return;
+		}
+		/*
+		 * Clear the BSSID selection and set a random SSID to make sure
+		 * the driver will not be trying to associate with something
+		 * even if it does not understand SIOCSIWMLME commands (or
+		 * tries to associate automatically after deauth/disassoc).
+		 */
+		for (i = 0; i < 32; i++)
+			ssid[i] = rand() & 0xFF;
+		if (wpa_driver_wext_set_bssid(drv, null_bssid) < 0 ||
+		    wpa_driver_wext_set_ssid(drv, ssid, 32) < 0) {
+			wpa_printf(MSG_DEBUG, "WEXT: Failed to set bogus "
+				   "BSSID/SSID to disconnect");
+		}
+	}
+}
+
+
+static int wpa_driver_wext_deauthenticate(void *priv, const u8 *addr,
+					  int reason_code)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	int ret;
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+	ret = wpa_driver_wext_mlme(drv, addr, IW_MLME_DEAUTH, reason_code);
+	wpa_driver_wext_disconnect(drv);
+	return ret;
+}
+
+
+static int wpa_driver_wext_disassociate(void *priv, const u8 *addr,
+					int reason_code)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	int ret;
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+	ret = wpa_driver_wext_mlme(drv, addr, IW_MLME_DISASSOC, reason_code);
+	wpa_driver_wext_disconnect(drv);
+	return ret;
+}
+
+
+static int wpa_driver_wext_set_gen_ie(void *priv, const u8 *ie,
+				      size_t ie_len)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	struct iwreq iwr;
+	int ret = 0;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	iwr.u.data.pointer = (caddr_t) ie;
+	iwr.u.data.length = ie_len;
+
+	if (ioctl(drv->ioctl_sock, SIOCSIWGENIE, &iwr) < 0) {
+		perror("ioctl[SIOCSIWGENIE]");
+		ret = -1;
+	}
+
+	return ret;
+}
+
+
+int wpa_driver_wext_cipher2wext(int cipher)
+{
+	switch (cipher) {
+	case CIPHER_NONE:
+		return IW_AUTH_CIPHER_NONE;
+	case CIPHER_WEP40:
+		return IW_AUTH_CIPHER_WEP40;
+	case CIPHER_TKIP:
+		return IW_AUTH_CIPHER_TKIP;
+	case CIPHER_CCMP:
+		return IW_AUTH_CIPHER_CCMP;
+	case CIPHER_WEP104:
+		return IW_AUTH_CIPHER_WEP104;
+	default:
+		return 0;
+	}
+}
+
+
+int wpa_driver_wext_keymgmt2wext(int keymgmt)
+{
+	switch (keymgmt) {
+	case KEY_MGMT_802_1X:
+	case KEY_MGMT_802_1X_NO_WPA:
+		return IW_AUTH_KEY_MGMT_802_1X;
+	case KEY_MGMT_PSK:
+		return IW_AUTH_KEY_MGMT_PSK;
+	default:
+		return 0;
+	}
+}
+
+
+static int
+wpa_driver_wext_auth_alg_fallback(struct wpa_driver_wext_data *drv,
+				  struct wpa_driver_associate_params *params)
+{
+	struct iwreq iwr;
+	int ret = 0;
+
+	wpa_printf(MSG_DEBUG, "WEXT: Driver did not support "
+		   "SIOCSIWAUTH for AUTH_ALG, trying SIOCSIWENCODE");
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	/* Just changing mode, not actual keys */
+	iwr.u.encoding.flags = 0;
+	iwr.u.encoding.pointer = (caddr_t) NULL;
+	iwr.u.encoding.length = 0;
+
+	/*
+	 * Note: IW_ENCODE_{OPEN,RESTRICTED} can be interpreted to mean two
+	 * different things. Here they are used to indicate Open System vs.
+	 * Shared Key authentication algorithm. However, some drivers may use
+	 * them to select between open/restricted WEP encrypted (open = allow
+	 * both unencrypted and encrypted frames; restricted = only allow
+	 * encrypted frames).
+	 */
+
+	if (!drv->use_crypt) {
+		iwr.u.encoding.flags |= IW_ENCODE_DISABLED;
+	} else {
+		if (params->auth_alg & WPA_AUTH_ALG_OPEN)
+			iwr.u.encoding.flags |= IW_ENCODE_OPEN;
+		if (params->auth_alg & WPA_AUTH_ALG_SHARED)
+			iwr.u.encoding.flags |= IW_ENCODE_RESTRICTED;
+	}
+
+	if (ioctl(drv->ioctl_sock, SIOCSIWENCODE, &iwr) < 0) {
+		perror("ioctl[SIOCSIWENCODE]");
+		ret = -1;
+	}
+
+	return ret;
+}
+
+
+int wpa_driver_wext_associate(void *priv,
+			      struct wpa_driver_associate_params *params)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	int ret = 0;
+	int allow_unencrypted_eapol;
+	int value;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	if (drv->cfg80211) {
+		/*
+		 * Stop cfg80211 from trying to associate before we are done
+		 * with all parameters.
+		 */
+		wpa_driver_wext_set_ssid(drv, (u8 *) "", 0);
+	}
+
+	if (wpa_driver_wext_set_drop_unencrypted(drv, params->drop_unencrypted)
+	    < 0)
+		ret = -1;
+	if (wpa_driver_wext_set_auth_alg(drv, params->auth_alg) < 0)
+		ret = -1;
+	if (wpa_driver_wext_set_mode(drv, params->mode) < 0)
+		ret = -1;
+
+	/*
+	 * If the driver did not support SIOCSIWAUTH, fallback to
+	 * SIOCSIWENCODE here.
+	 */
+	if (drv->auth_alg_fallback &&
+	    wpa_driver_wext_auth_alg_fallback(drv, params) < 0)
+		ret = -1;
+
+	if (!params->bssid &&
+	    wpa_driver_wext_set_bssid(drv, NULL) < 0)
+		ret = -1;
+
+	/* TODO: should consider getting wpa version and cipher/key_mgmt suites
+	 * from configuration, not from here, where only the selected suite is
+	 * available */
+	if (wpa_driver_wext_set_gen_ie(drv, params->wpa_ie, params->wpa_ie_len)
+	    < 0)
+		ret = -1;
+	if (params->wpa_ie == NULL || params->wpa_ie_len == 0)
+		value = IW_AUTH_WPA_VERSION_DISABLED;
+	else if (params->wpa_ie[0] == WLAN_EID_RSN)
+		value = IW_AUTH_WPA_VERSION_WPA2;
+	else
+		value = IW_AUTH_WPA_VERSION_WPA;
+	if (wpa_driver_wext_set_auth_param(drv,
+					   IW_AUTH_WPA_VERSION, value) < 0)
+		ret = -1;
+	value = wpa_driver_wext_cipher2wext(params->pairwise_suite);
+	if (wpa_driver_wext_set_auth_param(drv,
+					   IW_AUTH_CIPHER_PAIRWISE, value) < 0)
+		ret = -1;
+	value = wpa_driver_wext_cipher2wext(params->group_suite);
+	if (wpa_driver_wext_set_auth_param(drv,
+					   IW_AUTH_CIPHER_GROUP, value) < 0)
+		ret = -1;
+	value = wpa_driver_wext_keymgmt2wext(params->key_mgmt_suite);
+	if (wpa_driver_wext_set_auth_param(drv,
+					   IW_AUTH_KEY_MGMT, value) < 0)
+		ret = -1;
+	value = params->key_mgmt_suite != KEY_MGMT_NONE ||
+		params->pairwise_suite != CIPHER_NONE ||
+		params->group_suite != CIPHER_NONE ||
+		params->wpa_ie_len;
+	if (wpa_driver_wext_set_auth_param(drv,
+					   IW_AUTH_PRIVACY_INVOKED, value) < 0)
+		ret = -1;
+
+	/* Allow unencrypted EAPOL messages even if pairwise keys are set when
+	 * not using WPA. IEEE 802.1X specifies that these frames are not
+	 * encrypted, but WPA encrypts them when pairwise keys are in use. */
+	if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
+	    params->key_mgmt_suite == KEY_MGMT_PSK)
+		allow_unencrypted_eapol = 0;
+	else
+		allow_unencrypted_eapol = 1;
+
+	if (wpa_driver_wext_set_psk(drv, params->psk) < 0)
+		ret = -1;
+	if (wpa_driver_wext_set_auth_param(drv,
+					   IW_AUTH_RX_UNENCRYPTED_EAPOL,
+					   allow_unencrypted_eapol) < 0)
+		ret = -1;
+#ifdef CONFIG_IEEE80211W
+	switch (params->mgmt_frame_protection) {
+	case NO_MGMT_FRAME_PROTECTION:
+		value = IW_AUTH_MFP_DISABLED;
+		break;
+	case MGMT_FRAME_PROTECTION_OPTIONAL:
+		value = IW_AUTH_MFP_OPTIONAL;
+		break;
+	case MGMT_FRAME_PROTECTION_REQUIRED:
+		value = IW_AUTH_MFP_REQUIRED;
+		break;
+	};
+	if (wpa_driver_wext_set_auth_param(drv, IW_AUTH_MFP, value) < 0)
+		ret = -1;
+#endif /* CONFIG_IEEE80211W */
+	if (params->freq && wpa_driver_wext_set_freq(drv, params->freq) < 0)
+		ret = -1;
+	if (!drv->cfg80211 &&
+	    wpa_driver_wext_set_ssid(drv, params->ssid, params->ssid_len) < 0)
+		ret = -1;
+	if (params->bssid &&
+	    wpa_driver_wext_set_bssid(drv, params->bssid) < 0)
+		ret = -1;
+	if (drv->cfg80211 &&
+	    wpa_driver_wext_set_ssid(drv, params->ssid, params->ssid_len) < 0)
+		ret = -1;
+
+	return ret;
+}
+
+
+static int wpa_driver_wext_set_auth_alg(void *priv, int auth_alg)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	int algs = 0, res;
+
+	if (auth_alg & WPA_AUTH_ALG_OPEN)
+		algs |= IW_AUTH_ALG_OPEN_SYSTEM;
+	if (auth_alg & WPA_AUTH_ALG_SHARED)
+		algs |= IW_AUTH_ALG_SHARED_KEY;
+	if (auth_alg & WPA_AUTH_ALG_LEAP)
+		algs |= IW_AUTH_ALG_LEAP;
+	if (algs == 0) {
+		/* at least one algorithm should be set */
+		algs = IW_AUTH_ALG_OPEN_SYSTEM;
+	}
+
+	res = wpa_driver_wext_set_auth_param(drv, IW_AUTH_80211_AUTH_ALG,
+					     algs);
+	drv->auth_alg_fallback = res == -2;
+	return res;
+}
+
+
+/**
+ * wpa_driver_wext_set_mode - Set wireless mode (infra/adhoc), SIOCSIWMODE
+ * @priv: Pointer to private wext data from wpa_driver_wext_init()
+ * @mode: 0 = infra/BSS (associate with an AP), 1 = adhoc/IBSS
+ * Returns: 0 on success, -1 on failure
+ */
+int wpa_driver_wext_set_mode(void *priv, int mode)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	struct iwreq iwr;
+	int ret = -1;
+	unsigned int new_mode = mode ? IW_MODE_ADHOC : IW_MODE_INFRA;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	iwr.u.mode = new_mode;
+	if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) == 0) {
+		ret = 0;
+		goto done;
+	}
+
+	if (errno != EBUSY) {
+		perror("ioctl[SIOCSIWMODE]");
+		goto done;
+	}
+
+	/* mac80211 doesn't allow mode changes while the device is up, so if
+	 * the device isn't in the mode we're about to change to, take device
+	 * down, try to set the mode again, and bring it back up.
+	 */
+	if (ioctl(drv->ioctl_sock, SIOCGIWMODE, &iwr) < 0) {
+		perror("ioctl[SIOCGIWMODE]");
+		goto done;
+	}
+
+	if (iwr.u.mode == new_mode) {
+		ret = 0;
+		goto done;
+	}
+
+	if (linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 0) == 0) {
+		/* Try to set the mode again while the interface is down */
+		iwr.u.mode = new_mode;
+		if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0)
+			perror("ioctl[SIOCSIWMODE]");
+		else
+			ret = 0;
+
+		(void) linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 1);
+	}
+
+done:
+	return ret;
+}
+
+
+static int wpa_driver_wext_pmksa(struct wpa_driver_wext_data *drv,
+				 u32 cmd, const u8 *bssid, const u8 *pmkid)
+{
+	struct iwreq iwr;
+	struct iw_pmksa pmksa;
+	int ret = 0;
+
+	os_memset(&iwr, 0, sizeof(iwr));
+	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+	os_memset(&pmksa, 0, sizeof(pmksa));
+	pmksa.cmd = cmd;
+	pmksa.bssid.sa_family = ARPHRD_ETHER;
+	if (bssid)
+		os_memcpy(pmksa.bssid.sa_data, bssid, ETH_ALEN);
+	if (pmkid)
+		os_memcpy(pmksa.pmkid, pmkid, IW_PMKID_LEN);
+	iwr.u.data.pointer = (caddr_t) &pmksa;
+	iwr.u.data.length = sizeof(pmksa);
+
+	if (ioctl(drv->ioctl_sock, SIOCSIWPMKSA, &iwr) < 0) {
+		if (errno != EOPNOTSUPP)
+			perror("ioctl[SIOCSIWPMKSA]");
+		ret = -1;
+	}
+
+	return ret;
+}
+
+
+static int wpa_driver_wext_add_pmkid(void *priv, const u8 *bssid,
+				     const u8 *pmkid)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	return wpa_driver_wext_pmksa(drv, IW_PMKSA_ADD, bssid, pmkid);
+}
+
+
+static int wpa_driver_wext_remove_pmkid(void *priv, const u8 *bssid,
+		 			const u8 *pmkid)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	return wpa_driver_wext_pmksa(drv, IW_PMKSA_REMOVE, bssid, pmkid);
+}
+
+
+static int wpa_driver_wext_flush_pmkid(void *priv)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	return wpa_driver_wext_pmksa(drv, IW_PMKSA_FLUSH, NULL, NULL);
+}
+
+
+int wpa_driver_wext_get_capa(void *priv, struct wpa_driver_capa *capa)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	if (!drv->has_capability)
+		return -1;
+	os_memcpy(capa, &drv->capa, sizeof(*capa));
+	return 0;
+}
+
+
+int wpa_driver_wext_alternative_ifindex(struct wpa_driver_wext_data *drv,
+					const char *ifname)
+{
+	if (ifname == NULL) {
+		drv->ifindex2 = -1;
+		return 0;
+	}
+
+	drv->ifindex2 = if_nametoindex(ifname);
+	if (drv->ifindex2 <= 0)
+		return -1;
+
+	wpa_printf(MSG_DEBUG, "Added alternative ifindex %d (%s) for "
+		   "wireless events", drv->ifindex2, ifname);
+
+	return 0;
+}
+
+
+int wpa_driver_wext_set_operstate(void *priv, int state)
+{
+	struct wpa_driver_wext_data *drv = priv;
+
+	wpa_printf(MSG_DEBUG, "%s: operstate %d->%d (%s)",
+		   __func__, drv->operstate, state, state ? "UP" : "DORMANT");
+	drv->operstate = state;
+	return netlink_send_oper_ifla(drv->netlink, drv->ifindex, -1,
+				      state ? IF_OPER_UP : IF_OPER_DORMANT);
+}
+
+
+int wpa_driver_wext_get_version(struct wpa_driver_wext_data *drv)
+{
+	return drv->we_version_compiled;
+}
+
+
+static const char * wext_get_radio_name(void *priv)
+{
+	struct wpa_driver_wext_data *drv = priv;
+	return drv->phyname;
+}
+
+
+const struct wpa_driver_ops wpa_driver_wext_ops = {
+	.name = "wext",
+	.desc = "Linux wireless extensions (generic)",
+	.get_bssid = wpa_driver_wext_get_bssid,
+	.get_ssid = wpa_driver_wext_get_ssid,
+	.set_key = wpa_driver_wext_set_key,
+	.set_countermeasures = wpa_driver_wext_set_countermeasures,
+	.scan2 = wpa_driver_wext_scan,
+	.get_scan_results2 = wpa_driver_wext_get_scan_results,
+	.deauthenticate = wpa_driver_wext_deauthenticate,
+	.disassociate = wpa_driver_wext_disassociate,
+	.associate = wpa_driver_wext_associate,
+	.init = wpa_driver_wext_init,
+	.deinit = wpa_driver_wext_deinit,
+	.add_pmkid = wpa_driver_wext_add_pmkid,
+	.remove_pmkid = wpa_driver_wext_remove_pmkid,
+	.flush_pmkid = wpa_driver_wext_flush_pmkid,
+	.get_capa = wpa_driver_wext_get_capa,
+	.set_operstate = wpa_driver_wext_set_operstate,
+	.get_radio_name = wext_get_radio_name,
+};
diff --git a/src/drivers/driver_wext.h b/src/drivers/driver_wext.h
new file mode 100644
index 0000000..89c13eb
--- /dev/null
+++ b/src/drivers/driver_wext.h
@@ -0,0 +1,87 @@
+/*
+ * WPA Supplicant - driver_wext exported functions
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef DRIVER_WEXT_H
+#define DRIVER_WEXT_H
+
+#include <net/if.h>
+
+struct wpa_driver_wext_data {
+	void *ctx;
+	struct netlink_data *netlink;
+	int ioctl_sock;
+	int mlme_sock;
+	char ifname[IFNAMSIZ + 1];
+	char phyname[32];
+	int ifindex;
+	int ifindex2;
+	int if_removed;
+	int if_disabled;
+	struct rfkill_data *rfkill;
+	u8 *assoc_req_ies;
+	size_t assoc_req_ies_len;
+	u8 *assoc_resp_ies;
+	size_t assoc_resp_ies_len;
+	struct wpa_driver_capa capa;
+	int has_capability;
+	int we_version_compiled;
+
+	/* for set_auth_alg fallback */
+	int use_crypt;
+	int auth_alg_fallback;
+
+	int operstate;
+
+	char mlmedev[IFNAMSIZ + 1];
+
+	int scan_complete_events;
+
+	int cfg80211; /* whether driver is using cfg80211 */
+
+	u8 max_level;
+};
+
+int wpa_driver_wext_get_bssid(void *priv, u8 *bssid);
+int wpa_driver_wext_set_bssid(void *priv, const u8 *bssid);
+int wpa_driver_wext_get_ssid(void *priv, u8 *ssid);
+int wpa_driver_wext_set_ssid(void *priv, const u8 *ssid, size_t ssid_len);
+int wpa_driver_wext_set_freq(void *priv, int freq);
+int wpa_driver_wext_set_mode(void *priv, int mode);
+int wpa_driver_wext_set_key(const char *ifname, void *priv, enum wpa_alg alg,
+			    const u8 *addr, int key_idx,
+			    int set_tx, const u8 *seq, size_t seq_len,
+			    const u8 *key, size_t key_len);
+int wpa_driver_wext_scan(void *priv, struct wpa_driver_scan_params *params);
+struct wpa_scan_results * wpa_driver_wext_get_scan_results(void *priv);
+
+void wpa_driver_wext_scan_timeout(void *eloop_ctx, void *timeout_ctx);
+
+int wpa_driver_wext_alternative_ifindex(struct wpa_driver_wext_data *drv,
+					const char *ifname);
+
+void * wpa_driver_wext_init(void *ctx, const char *ifname);
+void wpa_driver_wext_deinit(void *priv);
+
+int wpa_driver_wext_set_operstate(void *priv, int state);
+int wpa_driver_wext_get_version(struct wpa_driver_wext_data *drv);
+
+int wpa_driver_wext_associate(void *priv,
+			      struct wpa_driver_associate_params *params);
+int wpa_driver_wext_get_capa(void *priv, struct wpa_driver_capa *capa);
+int wpa_driver_wext_set_auth_param(struct wpa_driver_wext_data *drv,
+				   int idx, u32 value);
+int wpa_driver_wext_cipher2wext(int cipher);
+int wpa_driver_wext_keymgmt2wext(int keymgmt);
+
+#endif /* DRIVER_WEXT_H */
diff --git a/src/drivers/driver_wired.c b/src/drivers/driver_wired.c
new file mode 100644
index 0000000..618db26
--- /dev/null
+++ b/src/drivers/driver_wired.c
@@ -0,0 +1,629 @@
+/*
+ * Wired Ethernet driver interface
+ * Copyright (c) 2005-2009, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2004, Gunter Burchardt <tira@isx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <sys/ioctl.h>
+#include <net/if.h>
+#ifdef __linux__
+#include <netpacket/packet.h>
+#include <net/if_arp.h>
+#include <net/if.h>
+#endif /* __linux__ */
+#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
+#include <net/if_dl.h>
+#endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__) */
+#ifdef __sun__
+#include <sys/sockio.h>
+#endif /* __sun__ */
+
+#include "common.h"
+#include "eloop.h"
+#include "driver.h"
+
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+struct ieee8023_hdr {
+	u8 dest[6];
+	u8 src[6];
+	u16 ethertype;
+} STRUCT_PACKED;
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+static const u8 pae_group_addr[ETH_ALEN] =
+{ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 };
+
+
+struct wpa_driver_wired_data {
+	char ifname[IFNAMSIZ + 1];
+	void *ctx;
+
+	int sock; /* raw packet socket for driver access */
+	int dhcp_sock; /* socket for dhcp packets */
+	int use_pae_group_addr;
+
+	int pf_sock;
+	int membership, multi, iff_allmulti, iff_up;
+};
+
+
+/* TODO: detecting new devices should eventually be changed from using DHCP
+ * snooping to trigger on any packet from a new layer 2 MAC address, e.g.,
+ * based on ebtables, etc. */
+
+struct dhcp_message {
+	u_int8_t op;
+	u_int8_t htype;
+	u_int8_t hlen;
+	u_int8_t hops;
+	u_int32_t xid;
+	u_int16_t secs;
+	u_int16_t flags;
+	u_int32_t ciaddr;
+	u_int32_t yiaddr;
+	u_int32_t siaddr;
+	u_int32_t giaddr;
+	u_int8_t chaddr[16];
+	u_int8_t sname[64];
+	u_int8_t file[128];
+	u_int32_t cookie;
+	u_int8_t options[308]; /* 312 - cookie */
+};
+
+
+static int wired_multicast_membership(int sock, int ifindex,
+				      const u8 *addr, int add)
+{
+#ifdef __linux__
+	struct packet_mreq mreq;
+
+	if (sock < 0)
+		return -1;
+
+	os_memset(&mreq, 0, sizeof(mreq));
+	mreq.mr_ifindex = ifindex;
+	mreq.mr_type = PACKET_MR_MULTICAST;
+	mreq.mr_alen = ETH_ALEN;
+	os_memcpy(mreq.mr_address, addr, ETH_ALEN);
+
+	if (setsockopt(sock, SOL_PACKET,
+		       add ? PACKET_ADD_MEMBERSHIP : PACKET_DROP_MEMBERSHIP,
+		       &mreq, sizeof(mreq)) < 0) {
+		perror("setsockopt");
+		return -1;
+	}
+	return 0;
+#else /* __linux__ */
+	return -1;
+#endif /* __linux__ */
+}
+
+
+#ifdef __linux__
+static void handle_data(void *ctx, unsigned char *buf, size_t len)
+{
+#ifdef HOSTAPD
+	struct ieee8023_hdr *hdr;
+	u8 *pos, *sa;
+	size_t left;
+	union wpa_event_data event;
+
+	/* must contain at least ieee8023_hdr 6 byte source, 6 byte dest,
+	 * 2 byte ethertype */
+	if (len < 14) {
+		wpa_printf(MSG_MSGDUMP, "handle_data: too short (%lu)",
+			   (unsigned long) len);
+		return;
+	}
+
+	hdr = (struct ieee8023_hdr *) buf;
+
+	switch (ntohs(hdr->ethertype)) {
+		case ETH_P_PAE:
+			wpa_printf(MSG_MSGDUMP, "Received EAPOL packet");
+			sa = hdr->src;
+			os_memset(&event, 0, sizeof(event));
+			event.new_sta.addr = sa;
+			wpa_supplicant_event(ctx, EVENT_NEW_STA, &event);
+
+			pos = (u8 *) (hdr + 1);
+			left = len - sizeof(*hdr);
+			drv_event_eapol_rx(ctx, sa, pos, left);
+		break;
+
+	default:
+		wpa_printf(MSG_DEBUG, "Unknown ethertype 0x%04x in data frame",
+			   ntohs(hdr->ethertype));
+		break;
+	}
+#endif /* HOSTAPD */
+}
+
+
+static void handle_read(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	int len;
+	unsigned char buf[3000];
+
+	len = recv(sock, buf, sizeof(buf), 0);
+	if (len < 0) {
+		perror("recv");
+		return;
+	}
+
+	handle_data(eloop_ctx, buf, len);
+}
+
+
+static void handle_dhcp(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	int len;
+	unsigned char buf[3000];
+	struct dhcp_message *msg;
+	u8 *mac_address;
+	union wpa_event_data event;
+
+	len = recv(sock, buf, sizeof(buf), 0);
+	if (len < 0) {
+		perror("recv");
+		return;
+	}
+
+	/* must contain at least dhcp_message->chaddr */
+	if (len < 44) {
+		wpa_printf(MSG_MSGDUMP, "handle_dhcp: too short (%d)", len);
+		return;
+	}
+
+	msg = (struct dhcp_message *) buf;
+	mac_address = (u8 *) &(msg->chaddr);
+
+	wpa_printf(MSG_MSGDUMP, "Got DHCP broadcast packet from " MACSTR,
+		   MAC2STR(mac_address));
+
+	os_memset(&event, 0, sizeof(event));
+	event.new_sta.addr = mac_address;
+	wpa_supplicant_event(eloop_ctx, EVENT_NEW_STA, &event);
+}
+#endif /* __linux__ */
+
+
+static int wired_init_sockets(struct wpa_driver_wired_data *drv, u8 *own_addr)
+{
+#ifdef __linux__
+	struct ifreq ifr;
+	struct sockaddr_ll addr;
+	struct sockaddr_in addr2;
+	int n = 1;
+
+	drv->sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_PAE));
+	if (drv->sock < 0) {
+		perror("socket[PF_PACKET,SOCK_RAW]");
+		return -1;
+	}
+
+	if (eloop_register_read_sock(drv->sock, handle_read, drv->ctx, NULL)) {
+		printf("Could not register read socket\n");
+		return -1;
+	}
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
+	if (ioctl(drv->sock, SIOCGIFINDEX, &ifr) != 0) {
+		perror("ioctl(SIOCGIFINDEX)");
+		return -1;
+	}
+
+	os_memset(&addr, 0, sizeof(addr));
+	addr.sll_family = AF_PACKET;
+	addr.sll_ifindex = ifr.ifr_ifindex;
+	wpa_printf(MSG_DEBUG, "Opening raw packet socket for ifindex %d",
+		   addr.sll_ifindex);
+
+	if (bind(drv->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+		perror("bind");
+		return -1;
+	}
+
+	/* filter multicast address */
+	if (wired_multicast_membership(drv->sock, ifr.ifr_ifindex,
+				       pae_group_addr, 1) < 0) {
+		wpa_printf(MSG_ERROR, "wired: Failed to add multicast group "
+			   "membership");
+		return -1;
+	}
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
+	if (ioctl(drv->sock, SIOCGIFHWADDR, &ifr) != 0) {
+		perror("ioctl(SIOCGIFHWADDR)");
+		return -1;
+	}
+
+	if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) {
+		printf("Invalid HW-addr family 0x%04x\n",
+		       ifr.ifr_hwaddr.sa_family);
+		return -1;
+	}
+	os_memcpy(own_addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
+
+	/* setup dhcp listen socket for sta detection */
+	if ((drv->dhcp_sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
+		perror("socket call failed for dhcp");
+		return -1;
+	}
+
+	if (eloop_register_read_sock(drv->dhcp_sock, handle_dhcp, drv->ctx,
+				     NULL)) {
+		printf("Could not register read socket\n");
+		return -1;
+	}
+
+	os_memset(&addr2, 0, sizeof(addr2));
+	addr2.sin_family = AF_INET;
+	addr2.sin_port = htons(67);
+	addr2.sin_addr.s_addr = INADDR_ANY;
+
+	if (setsockopt(drv->dhcp_sock, SOL_SOCKET, SO_REUSEADDR, (char *) &n,
+		       sizeof(n)) == -1) {
+		perror("setsockopt[SOL_SOCKET,SO_REUSEADDR]");
+		return -1;
+	}
+	if (setsockopt(drv->dhcp_sock, SOL_SOCKET, SO_BROADCAST, (char *) &n,
+		       sizeof(n)) == -1) {
+		perror("setsockopt[SOL_SOCKET,SO_BROADCAST]");
+		return -1;
+	}
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_ifrn.ifrn_name, drv->ifname, IFNAMSIZ);
+	if (setsockopt(drv->dhcp_sock, SOL_SOCKET, SO_BINDTODEVICE,
+		       (char *) &ifr, sizeof(ifr)) < 0) {
+		perror("setsockopt[SOL_SOCKET,SO_BINDTODEVICE]");
+		return -1;
+	}
+
+	if (bind(drv->dhcp_sock, (struct sockaddr *) &addr2,
+		 sizeof(struct sockaddr)) == -1) {
+		perror("bind");
+		return -1;
+	}
+
+	return 0;
+#else /* __linux__ */
+	return -1;
+#endif /* __linux__ */
+}
+
+
+static int wired_send_eapol(void *priv, const u8 *addr,
+			    const u8 *data, size_t data_len, int encrypt,
+			    const u8 *own_addr, u32 flags)
+{
+	struct wpa_driver_wired_data *drv = priv;
+	struct ieee8023_hdr *hdr;
+	size_t len;
+	u8 *pos;
+	int res;
+
+	len = sizeof(*hdr) + data_len;
+	hdr = os_zalloc(len);
+	if (hdr == NULL) {
+		printf("malloc() failed for wired_send_eapol(len=%lu)\n",
+		       (unsigned long) len);
+		return -1;
+	}
+
+	os_memcpy(hdr->dest, drv->use_pae_group_addr ? pae_group_addr : addr,
+		  ETH_ALEN);
+	os_memcpy(hdr->src, own_addr, ETH_ALEN);
+	hdr->ethertype = htons(ETH_P_PAE);
+
+	pos = (u8 *) (hdr + 1);
+	os_memcpy(pos, data, data_len);
+
+	res = send(drv->sock, (u8 *) hdr, len, 0);
+	os_free(hdr);
+
+	if (res < 0) {
+		perror("wired_send_eapol: send");
+		printf("wired_send_eapol - packet len: %lu - failed\n",
+		       (unsigned long) len);
+	}
+
+	return res;
+}
+
+
+static void * wired_driver_hapd_init(struct hostapd_data *hapd,
+				     struct wpa_init_params *params)
+{
+	struct wpa_driver_wired_data *drv;
+
+	drv = os_zalloc(sizeof(struct wpa_driver_wired_data));
+	if (drv == NULL) {
+		printf("Could not allocate memory for wired driver data\n");
+		return NULL;
+	}
+
+	drv->ctx = hapd;
+	os_strlcpy(drv->ifname, params->ifname, sizeof(drv->ifname));
+	drv->use_pae_group_addr = params->use_pae_group_addr;
+
+	if (wired_init_sockets(drv, params->own_addr)) {
+		os_free(drv);
+		return NULL;
+	}
+
+	return drv;
+}
+
+
+static void wired_driver_hapd_deinit(void *priv)
+{
+	struct wpa_driver_wired_data *drv = priv;
+
+	if (drv->sock >= 0)
+		close(drv->sock);
+
+	if (drv->dhcp_sock >= 0)
+		close(drv->dhcp_sock);
+
+	os_free(drv);
+}
+
+
+static int wpa_driver_wired_get_ssid(void *priv, u8 *ssid)
+{
+	ssid[0] = 0;
+	return 0;
+}
+
+
+static int wpa_driver_wired_get_bssid(void *priv, u8 *bssid)
+{
+	/* Report PAE group address as the "BSSID" for wired connection. */
+	os_memcpy(bssid, pae_group_addr, ETH_ALEN);
+	return 0;
+}
+
+
+static int wpa_driver_wired_get_capa(void *priv, struct wpa_driver_capa *capa)
+{
+	os_memset(capa, 0, sizeof(*capa));
+	capa->flags = WPA_DRIVER_FLAGS_WIRED;
+	return 0;
+}
+
+
+static int wpa_driver_wired_get_ifflags(const char *ifname, int *flags)
+{
+	struct ifreq ifr;
+	int s;
+
+	s = socket(PF_INET, SOCK_DGRAM, 0);
+	if (s < 0) {
+		perror("socket");
+		return -1;
+	}
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
+	if (ioctl(s, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) {
+		perror("ioctl[SIOCGIFFLAGS]");
+		close(s);
+		return -1;
+	}
+	close(s);
+	*flags = ifr.ifr_flags & 0xffff;
+	return 0;
+}
+
+
+static int wpa_driver_wired_set_ifflags(const char *ifname, int flags)
+{
+	struct ifreq ifr;
+	int s;
+
+	s = socket(PF_INET, SOCK_DGRAM, 0);
+	if (s < 0) {
+		perror("socket");
+		return -1;
+	}
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
+	ifr.ifr_flags = flags & 0xffff;
+	if (ioctl(s, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) {
+		perror("ioctl[SIOCSIFFLAGS]");
+		close(s);
+		return -1;
+	}
+	close(s);
+	return 0;
+}
+
+
+static int wpa_driver_wired_multi(const char *ifname, const u8 *addr, int add)
+{
+	struct ifreq ifr;
+	int s;
+
+#ifdef __sun__
+	return -1;
+#endif /* __sun__ */
+
+	s = socket(PF_INET, SOCK_DGRAM, 0);
+	if (s < 0) {
+		perror("socket");
+		return -1;
+	}
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
+#ifdef __linux__
+	ifr.ifr_hwaddr.sa_family = AF_UNSPEC;
+	os_memcpy(ifr.ifr_hwaddr.sa_data, addr, ETH_ALEN);
+#endif /* __linux__ */
+#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
+	{
+		struct sockaddr_dl *dlp;
+		dlp = (struct sockaddr_dl *) &ifr.ifr_addr;
+		dlp->sdl_len = sizeof(struct sockaddr_dl);
+		dlp->sdl_family = AF_LINK;
+		dlp->sdl_index = 0;
+		dlp->sdl_nlen = 0;
+		dlp->sdl_alen = ETH_ALEN;
+		dlp->sdl_slen = 0;
+		os_memcpy(LLADDR(dlp), addr, ETH_ALEN);
+	}
+#endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(FreeBSD_kernel__) */
+#if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
+	{
+		struct sockaddr *sap;
+		sap = (struct sockaddr *) &ifr.ifr_addr;
+		sap->sa_len = sizeof(struct sockaddr);
+		sap->sa_family = AF_UNSPEC;
+		os_memcpy(sap->sa_data, addr, ETH_ALEN);
+	}
+#endif /* defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__) */
+
+	if (ioctl(s, add ? SIOCADDMULTI : SIOCDELMULTI, (caddr_t) &ifr) < 0) {
+		perror("ioctl[SIOC{ADD/DEL}MULTI]");
+		close(s);
+		return -1;
+	}
+	close(s);
+	return 0;
+}
+
+
+static void * wpa_driver_wired_init(void *ctx, const char *ifname)
+{
+	struct wpa_driver_wired_data *drv;
+	int flags;
+
+	drv = os_zalloc(sizeof(*drv));
+	if (drv == NULL)
+		return NULL;
+	os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
+	drv->ctx = ctx;
+
+#ifdef __linux__
+	drv->pf_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
+	if (drv->pf_sock < 0)
+		perror("socket(PF_PACKET)");
+#else /* __linux__ */
+	drv->pf_sock = -1;
+#endif /* __linux__ */
+
+	if (wpa_driver_wired_get_ifflags(ifname, &flags) == 0 &&
+	    !(flags & IFF_UP) &&
+	    wpa_driver_wired_set_ifflags(ifname, flags | IFF_UP) == 0) {
+		drv->iff_up = 1;
+	}
+
+	if (wired_multicast_membership(drv->pf_sock,
+				       if_nametoindex(drv->ifname),
+				       pae_group_addr, 1) == 0) {
+		wpa_printf(MSG_DEBUG, "%s: Added multicast membership with "
+			   "packet socket", __func__);
+		drv->membership = 1;
+	} else if (wpa_driver_wired_multi(ifname, pae_group_addr, 1) == 0) {
+		wpa_printf(MSG_DEBUG, "%s: Added multicast membership with "
+			   "SIOCADDMULTI", __func__);
+		drv->multi = 1;
+	} else if (wpa_driver_wired_get_ifflags(ifname, &flags) < 0) {
+		wpa_printf(MSG_INFO, "%s: Could not get interface "
+			   "flags", __func__);
+		os_free(drv);
+		return NULL;
+	} else if (flags & IFF_ALLMULTI) {
+		wpa_printf(MSG_DEBUG, "%s: Interface is already configured "
+			   "for multicast", __func__);
+	} else if (wpa_driver_wired_set_ifflags(ifname,
+						flags | IFF_ALLMULTI) < 0) {
+		wpa_printf(MSG_INFO, "%s: Failed to enable allmulti",
+			   __func__);
+		os_free(drv);
+		return NULL;
+	} else {
+		wpa_printf(MSG_DEBUG, "%s: Enabled allmulti mode",
+			   __func__);
+		drv->iff_allmulti = 1;
+	}
+
+	return drv;
+}
+
+
+static void wpa_driver_wired_deinit(void *priv)
+{
+	struct wpa_driver_wired_data *drv = priv;
+	int flags;
+
+	if (drv->membership &&
+	    wired_multicast_membership(drv->pf_sock,
+				       if_nametoindex(drv->ifname),
+				       pae_group_addr, 0) < 0) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to remove PAE multicast "
+			   "group (PACKET)", __func__);
+	}
+
+	if (drv->multi &&
+	    wpa_driver_wired_multi(drv->ifname, pae_group_addr, 0) < 0) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to remove PAE multicast "
+			   "group (SIOCDELMULTI)", __func__);
+	}
+
+	if (drv->iff_allmulti &&
+	    (wpa_driver_wired_get_ifflags(drv->ifname, &flags) < 0 ||
+	     wpa_driver_wired_set_ifflags(drv->ifname,
+					  flags & ~IFF_ALLMULTI) < 0)) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to disable allmulti mode",
+			   __func__);
+	}
+
+	if (drv->iff_up &&
+	    wpa_driver_wired_get_ifflags(drv->ifname, &flags) == 0 &&
+	    (flags & IFF_UP) &&
+	    wpa_driver_wired_set_ifflags(drv->ifname, flags & ~IFF_UP) < 0) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to set the interface down",
+			   __func__);
+	}
+
+	if (drv->pf_sock != -1)
+		close(drv->pf_sock);
+
+	os_free(drv);
+}
+
+
+const struct wpa_driver_ops wpa_driver_wired_ops = {
+	.name = "wired",
+	.desc = "Wired Ethernet driver",
+	.hapd_init = wired_driver_hapd_init,
+	.hapd_deinit = wired_driver_hapd_deinit,
+	.hapd_send_eapol = wired_send_eapol,
+	.get_ssid = wpa_driver_wired_get_ssid,
+	.get_bssid = wpa_driver_wired_get_bssid,
+	.get_capa = wpa_driver_wired_get_capa,
+	.init = wpa_driver_wired_init,
+	.deinit = wpa_driver_wired_deinit,
+};
diff --git a/src/drivers/drivers.c b/src/drivers/drivers.c
new file mode 100644
index 0000000..b710778
--- /dev/null
+++ b/src/drivers/drivers.c
@@ -0,0 +1,114 @@
+/*
+ * Driver interface list
+ * Copyright (c) 2004-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+
+#ifdef CONFIG_DRIVER_WEXT
+extern struct wpa_driver_ops wpa_driver_wext_ops; /* driver_wext.c */
+#endif /* CONFIG_DRIVER_WEXT */
+#ifdef CONFIG_DRIVER_NL80211
+extern struct wpa_driver_ops wpa_driver_nl80211_ops; /* driver_nl80211.c */
+#endif /* CONFIG_DRIVER_NL80211 */
+#ifdef CONFIG_DRIVER_HOSTAP
+extern struct wpa_driver_ops wpa_driver_hostap_ops; /* driver_hostap.c */
+#endif /* CONFIG_DRIVER_HOSTAP */
+#ifdef CONFIG_DRIVER_MADWIFI
+extern struct wpa_driver_ops wpa_driver_madwifi_ops; /* driver_madwifi.c */
+#endif /* CONFIG_DRIVER_MADWIFI */
+#ifdef CONFIG_DRIVER_BROADCOM
+extern struct wpa_driver_ops wpa_driver_broadcom_ops; /* driver_broadcom.c */
+#endif /* CONFIG_DRIVER_BROADCOM */
+#ifdef CONFIG_DRIVER_BSD
+extern struct wpa_driver_ops wpa_driver_bsd_ops; /* driver_bsd.c */
+#endif /* CONFIG_DRIVER_BSD */
+#ifdef CONFIG_DRIVER_NDIS
+extern struct wpa_driver_ops wpa_driver_ndis_ops; /* driver_ndis.c */
+#endif /* CONFIG_DRIVER_NDIS */
+#ifdef CONFIG_DRIVER_WIRED
+extern struct wpa_driver_ops wpa_driver_wired_ops; /* driver_wired.c */
+#endif /* CONFIG_DRIVER_WIRED */
+#ifdef CONFIG_DRIVER_TEST
+extern struct wpa_driver_ops wpa_driver_test_ops; /* driver_test.c */
+#endif /* CONFIG_DRIVER_TEST */
+#ifdef CONFIG_DRIVER_RALINK
+extern struct wpa_driver_ops wpa_driver_ralink_ops; /* driver_ralink.c */
+#endif /* CONFIG_DRIVER_RALINK */
+#ifdef CONFIG_DRIVER_OSX
+extern struct wpa_driver_ops wpa_driver_osx_ops; /* driver_osx.m */
+#endif /* CONFIG_DRIVER_OSX */
+#ifdef CONFIG_DRIVER_IPHONE
+extern struct wpa_driver_ops wpa_driver_iphone_ops; /* driver_iphone.m */
+#endif /* CONFIG_DRIVER_IPHONE */
+#ifdef CONFIG_DRIVER_ROBOSWITCH
+/* driver_roboswitch.c */
+extern struct wpa_driver_ops wpa_driver_roboswitch_ops;
+#endif /* CONFIG_DRIVER_ROBOSWITCH */
+#ifdef CONFIG_DRIVER_ATHEROS
+extern struct wpa_driver_ops wpa_driver_atheros_ops; /* driver_atheros.c */
+#endif /* CONFIG_DRIVER_ATHEROS */
+#ifdef CONFIG_DRIVER_NONE
+extern struct wpa_driver_ops wpa_driver_none_ops; /* driver_none.c */
+#endif /* CONFIG_DRIVER_NONE */
+
+
+struct wpa_driver_ops *wpa_drivers[] =
+{
+#ifdef CONFIG_DRIVER_WEXT
+	&wpa_driver_wext_ops,
+#endif /* CONFIG_DRIVER_WEXT */
+#ifdef CONFIG_DRIVER_NL80211
+	&wpa_driver_nl80211_ops,
+#endif /* CONFIG_DRIVER_NL80211 */
+#ifdef CONFIG_DRIVER_HOSTAP
+	&wpa_driver_hostap_ops,
+#endif /* CONFIG_DRIVER_HOSTAP */
+#ifdef CONFIG_DRIVER_MADWIFI
+	&wpa_driver_madwifi_ops,
+#endif /* CONFIG_DRIVER_MADWIFI */
+#ifdef CONFIG_DRIVER_BROADCOM
+	&wpa_driver_broadcom_ops,
+#endif /* CONFIG_DRIVER_BROADCOM */
+#ifdef CONFIG_DRIVER_BSD
+	&wpa_driver_bsd_ops,
+#endif /* CONFIG_DRIVER_BSD */
+#ifdef CONFIG_DRIVER_NDIS
+	&wpa_driver_ndis_ops,
+#endif /* CONFIG_DRIVER_NDIS */
+#ifdef CONFIG_DRIVER_WIRED
+	&wpa_driver_wired_ops,
+#endif /* CONFIG_DRIVER_WIRED */
+#ifdef CONFIG_DRIVER_TEST
+	&wpa_driver_test_ops,
+#endif /* CONFIG_DRIVER_TEST */
+#ifdef CONFIG_DRIVER_RALINK
+	&wpa_driver_ralink_ops,
+#endif /* CONFIG_DRIVER_RALINK */
+#ifdef CONFIG_DRIVER_OSX
+	&wpa_driver_osx_ops,
+#endif /* CONFIG_DRIVER_OSX */
+#ifdef CONFIG_DRIVER_IPHONE
+	&wpa_driver_iphone_ops,
+#endif /* CONFIG_DRIVER_IPHONE */
+#ifdef CONFIG_DRIVER_ROBOSWITCH
+	&wpa_driver_roboswitch_ops,
+#endif /* CONFIG_DRIVER_ROBOSWITCH */
+#ifdef CONFIG_DRIVER_ATHEROS
+	&wpa_driver_atheros_ops,
+#endif /* CONFIG_DRIVER_ATHEROS */
+#ifdef CONFIG_DRIVER_NONE
+	&wpa_driver_none_ops,
+#endif /* CONFIG_DRIVER_NONE */
+	NULL
+};
diff --git a/src/drivers/drivers.mak b/src/drivers/drivers.mak
new file mode 100644
index 0000000..ebf39c8
--- /dev/null
+++ b/src/drivers/drivers.mak
@@ -0,0 +1,180 @@
+##### CLEAR VARS
+
+DRV_CFLAGS =
+DRV_WPA_CFLAGS =
+DRV_AP_CFLAGS =
+DRV_OBJS =
+DRV_WPA_OBJS =
+DRV_AP_OBJS =
+DRV_LIBS =
+DRV_WPA_LIBS =
+DRV_AP_LIBS =
+
+##### COMMON DRIVERS
+
+ifdef CONFIG_DRIVER_HOSTAP
+DRV_CFLAGS += -DCONFIG_DRIVER_HOSTAP
+DRV_OBJS += ../src/drivers/driver_hostap.o
+CONFIG_WIRELESS_EXTENSION=y
+NEED_AP_MLME=y
+NEED_NETLINK=y
+NEED_LINUX_IOCTL=y
+endif
+
+ifdef CONFIG_DRIVER_WIRED
+DRV_CFLAGS += -DCONFIG_DRIVER_WIRED
+DRV_OBJS += ../src/drivers/driver_wired.o
+endif
+
+ifdef CONFIG_DRIVER_MADWIFI
+DRV_CFLAGS += -DCONFIG_DRIVER_MADWIFI
+DRV_OBJS += ../src/drivers/driver_madwifi.o
+CONFIG_WIRELESS_EXTENSION=y
+CONFIG_L2_PACKET=linux
+NEED_NETLINK=y
+NEED_LINUX_IOCTL=y
+endif
+
+ifdef CONFIG_DRIVER_NL80211
+DRV_CFLAGS += -DCONFIG_DRIVER_NL80211
+DRV_OBJS += ../src/drivers/driver_nl80211.o
+DRV_OBJS += ../src/utils/radiotap.o
+NEED_SME=y
+NEED_AP_MLME=y
+NEED_NETLINK=y
+NEED_LINUX_IOCTL=y
+NEED_RFKILL=y
+ifdef CONFIG_LIBNL_TINY
+DRV_LIBS += -lnl-tiny
+else
+DRV_LIBS += -lnl
+endif
+
+ifdef CONFIG_LIBNL20
+DRV_LIBS += -lnl-genl
+DRV_CFLAGS += -DCONFIG_LIBNL20
+endif
+endif
+
+ifdef CONFIG_DRIVER_BSD
+ifndef CONFIG_L2_PACKET
+CONFIG_L2_PACKET=freebsd
+endif
+DRV_CFLAGS += -DCONFIG_DRIVER_BSD
+DRV_OBJS += ../src/drivers/driver_bsd.o
+CONFIG_L2_FREEBSD=y
+CONFIG_DNET_PCAP=y
+endif
+
+ifdef CONFIG_DRIVER_TEST
+DRV_CFLAGS += -DCONFIG_DRIVER_TEST
+DRV_OBJS += ../src/drivers/driver_test.o
+NEED_AP_MLME=y
+endif
+
+ifdef CONFIG_DRIVER_NONE
+DRV_CFLAGS += -DCONFIG_DRIVER_NONE
+DRV_OBJS += ../src/drivers/driver_none.o
+endif
+
+##### PURE AP DRIVERS
+
+ifdef CONFIG_DRIVER_ATHEROS
+DRV_AP_CFLAGS += -DCONFIG_DRIVER_ATHEROS
+DRV_AP_OBJS += ../src/drivers/driver_atheros.o
+CONFIG_L2_PACKET=linux
+NEED_NETLINK=y
+NEED_LINUX_IOCTL=y
+endif
+
+##### PURE CLIENT DRIVERS
+
+ifdef CONFIG_DRIVER_WEXT
+DRV_WPA_CFLAGS += -DCONFIG_DRIVER_WEXT
+CONFIG_WIRELESS_EXTENSION=y
+NEED_NETLINK=y
+NEED_LINUX_IOCTL=y
+NEED_RFKILL=y
+endif
+
+ifdef CONFIG_DRIVER_RALINK
+DRV_WPA_CFLAGS += -DCONFIG_DRIVER_RALINK
+DRV_WPA_OBJS += ../src/drivers/driver_ralink.o
+NEED_NETLINK=y
+NEED_LINUX_IOCTL=y
+endif
+
+ifdef CONFIG_DRIVER_BROADCOM
+DRV_WPA_CFLAGS += -DCONFIG_DRIVER_BROADCOM
+DRV_WPA_OBJS += ../src/drivers/driver_broadcom.o
+endif
+
+ifdef CONFIG_DRIVER_NDIS
+DRV_WPA_CFLAGS += -DCONFIG_DRIVER_NDIS
+DRV_WPA_OBJS += ../src/drivers/driver_ndis.o
+ifdef CONFIG_NDIS_EVENTS_INTEGRATED
+DRV_WPA_OBJS += ../src/drivers/driver_ndis_.o
+endif
+ifndef CONFIG_L2_PACKET
+CONFIG_L2_PACKET=pcap
+endif
+CONFIG_WINPCAP=y
+ifdef CONFIG_USE_NDISUIO
+DRV_WPA_CFLAGS += -DCONFIG_USE_NDISUIO
+endif
+endif
+
+ifdef CONFIG_DRIVER_OSX
+DRV_WPA_CFLAGS += -DCONFIG_DRIVER_OSX
+DRV_WPA_OBJS += ../src/drivers/driver_osx.o
+DRV_WPA_LDFLAGS += -framework CoreFoundation
+DRV_WPA_LDFLAGS += -F/System/Library/PrivateFrameworks -framework Apple80211
+endif
+
+ifdef CONFIG_DRIVER_IPHONE
+DRV_WPA_CFLAGS += -DCONFIG_DRIVER_IPHONE
+DRV_WPA_OBJS += ../src/drivers/driver_iphone.o
+DRV_WPA_OBJS += ../src/drivers/MobileApple80211.o
+DRV_WPA_LDFLAGS += -framework CoreFoundation
+endif
+
+ifdef CONFIG_DRIVER_ROBOSWITCH
+DRV_WPA_CFLAGS += -DCONFIG_DRIVER_ROBOSWITCH
+DRV_WPA_OBJS += ../src/drivers/driver_roboswitch.o
+endif
+
+ifdef CONFIG_WIRELESS_EXTENSION
+DRV_WPA_CFLAGS += -DCONFIG_WIRELESS_EXTENSION
+DRV_WPA_OBJS += ../src/drivers/driver_wext.o
+NEED_RFKILL=y
+endif
+
+ifdef NEED_NETLINK
+DRV_OBJS += ../src/drivers/netlink.o
+endif
+
+ifdef NEED_LINUX_IOCTL
+DRV_OBJS += ../src/drivers/linux_ioctl.o
+endif
+
+ifdef NEED_RFKILL
+DRV_OBJS += ../src/drivers/rfkill.o
+endif
+
+
+##### COMMON VARS
+DRV_BOTH_CFLAGS := $(DRV_CFLAGS) $(DRV_WPA_CFLAGS) $(DRV_AP_CFLAGS)
+DRV_WPA_CFLAGS += $(DRV_CFLAGS)
+DRV_AP_CFLAGS += $(DRV_CFLAGS)
+
+DRV_BOTH_LIBS := $(DRV_LIBS) $(DRV_WPA_LIBS) $(DRV_AP_LIBS)
+DRV_WPA_LIBS += $(DRV_LIBS)
+DRV_AP_LIBS += $(DRV_LIBS)
+
+DRV_BOTH_OBJS := $(DRV_OBJS) $(DRV_WPA_OBJS) $(DRV_AP_OBJS)
+DRV_WPA_OBJS += $(DRV_OBJS)
+DRV_AP_OBJS += $(DRV_OBJS)
+
+DRV_BOTH_LDFLAGS := $(DRV_LDFLAGS) $(DRV_WPA_LDFLAGS) $(DRV_AP_LDFLAGS)
+DRV_WPA_LDFLAGS += $(DRV_LDFLAGS)
+DRV_AP_LDFLAGS += $(DRV_LDFLAGS)
diff --git a/src/drivers/drivers.mk b/src/drivers/drivers.mk
new file mode 100644
index 0000000..c690e1c
--- /dev/null
+++ b/src/drivers/drivers.mk
@@ -0,0 +1,183 @@
+##### CLEAR VARS
+
+DRV_CFLAGS =
+DRV_WPA_CFLAGS =
+DRV_AP_CFLAGS =
+DRV_OBJS =
+DRV_WPA_OBJS =
+DRV_AP_OBJS =
+DRV_LIBS =
+DRV_WPA_LIBS =
+DRV_AP_LIBS =
+
+##### COMMON DRIVERS
+
+ifdef CONFIG_DRIVER_HOSTAP
+DRV_CFLAGS += -DCONFIG_DRIVER_HOSTAP
+DRV_OBJS += src/drivers/driver_hostap.c
+CONFIG_WIRELESS_EXTENSION=y
+NEED_AP_MLME=y
+NEED_NETLINK=y
+NEED_LINUX_IOCTL=y
+endif
+
+ifdef CONFIG_DRIVER_WIRED
+DRV_CFLAGS += -DCONFIG_DRIVER_WIRED
+DRV_OBJS += src/drivers/driver_wired.c
+endif
+
+ifdef CONFIG_DRIVER_MADWIFI
+DRV_CFLAGS += -DCONFIG_DRIVER_MADWIFI
+DRV_OBJS += src/drivers/driver_madwifi.c
+CONFIG_WIRELESS_EXTENSION=y
+CONFIG_L2_PACKET=linux
+NEED_NETLINK=y
+NEED_LINUX_IOCTL=y
+endif
+
+ifdef CONFIG_DRIVER_NL80211
+DRV_CFLAGS += -DCONFIG_DRIVER_NL80211
+DRV_OBJS += src/drivers/driver_nl80211.c
+DRV_OBJS += src/utils/radiotap.c
+NEED_SME=y
+NEED_AP_MLME=y
+NEED_NETLINK=y
+NEED_LINUX_IOCTL=y
+NEED_RFKILL=y
+ifdef CONFIG_LIBNL_TINY
+DRV_LIBS += -lnl-tiny
+else
+DRV_LIBS += -lnl
+endif
+
+ifdef CONFIG_LIBNL20
+DRV_LIBS += -lnl-genl
+DRV_CFLAGS += -DCONFIG_LIBNL20
+endif
+endif
+
+ifdef CONFIG_DRIVER_BSD
+ifndef CONFIG_L2_PACKET
+CONFIG_L2_PACKET=freebsd
+endif
+DRV_CFLAGS += -DCONFIG_DRIVER_BSD
+DRV_OBJS += src/drivers/driver_bsd.c
+CONFIG_L2_FREEBSD=y
+CONFIG_DNET_PCAP=y
+endif
+
+ifdef CONFIG_DRIVER_TEST
+DRV_CFLAGS += -DCONFIG_DRIVER_TEST
+DRV_OBJS += src/drivers/driver_test.c
+NEED_AP_MLME=y
+endif
+
+ifdef CONFIG_DRIVER_NONE
+DRV_CFLAGS += -DCONFIG_DRIVER_NONE
+DRV_OBJS += src/drivers/driver_none.c
+endif
+
+##### PURE AP DRIVERS
+
+ifdef CONFIG_DRIVER_ATHEROS
+DRV_AP_CFLAGS += -DCONFIG_DRIVER_ATHEROS
+DRV_AP_OBJS += src/drivers/driver_atheros.c
+CONFIG_L2_PACKET=linux
+NEED_NETLINK=y
+NEED_LINUX_IOCTL=y
+endif
+
+##### PURE CLIENT DRIVERS
+
+ifdef CONFIG_DRIVER_WEXT
+DRV_WPA_CFLAGS += -DCONFIG_DRIVER_WEXT
+CONFIG_WIRELESS_EXTENSION=y
+NEED_NETLINK=y
+NEED_LINUX_IOCTL=y
+NEED_RFKILL=y
+endif
+
+ifdef CONFIG_DRIVER_RALINK
+DRV_WPA_CFLAGS += -DCONFIG_DRIVER_RALINK
+DRV_WPA_OBJS += src/drivers/driver_ralink.c
+NEED_NETLINK=y
+NEED_LINUX_IOCTL=y
+endif
+
+ifdef CONFIG_DRIVER_BROADCOM
+DRV_WPA_CFLAGS += -DCONFIG_DRIVER_BROADCOM
+DRV_WPA_OBJS += src/drivers/driver_broadcom.c
+endif
+
+ifdef CONFIG_DRIVER_NDIS
+DRV_WPA_CFLAGS += -DCONFIG_DRIVER_NDIS
+DRV_WPA_OBJS += src/drivers/driver_ndis.c
+ifdef CONFIG_NDIS_EVENTS_INTEGRATED
+DRV_WPA_OBJS += src/drivers/driver_ndis_.c
+endif
+ifndef CONFIG_L2_PACKET
+CONFIG_L2_PACKET=pcap
+endif
+CONFIG_WINPCAP=y
+ifdef CONFIG_USE_NDISUIO
+DRV_WPA_CFLAGS += -DCONFIG_USE_NDISUIO
+endif
+endif
+
+ifdef CONFIG_DRIVER_OSX
+DRV_WPA_CFLAGS += -DCONFIG_DRIVER_OSX
+DRV_WPA_OBJS += src/drivers/driver_osx.c
+DRV_WPA_LDFLAGS += -framework CoreFoundation
+DRV_WPA_LDFLAGS += -F/System/Library/PrivateFrameworks -framework Apple80211
+endif
+
+ifdef CONFIG_DRIVER_IPHONE
+DRV_WPA_CFLAGS += -DCONFIG_DRIVER_IPHONE
+DRV_WPA_OBJS += src/drivers/driver_iphone.c
+DRV_WPA_OBJS += src/drivers/MobileApple80211.c
+DRV_WPA_LDFLAGS += -framework CoreFoundation
+endif
+
+ifdef CONFIG_DRIVER_ROBOSWITCH
+DRV_WPA_CFLAGS += -DCONFIG_DRIVER_ROBOSWITCH
+DRV_WPA_OBJS += src/drivers/driver_roboswitch.c
+endif
+
+ifdef CONFIG_WIRELESS_EXTENSION
+DRV_WPA_CFLAGS += -DCONFIG_WIRELESS_EXTENSION
+DRV_WPA_OBJS += src/drivers/driver_wext.c
+NEED_RFKILL=y
+endif
+
+ifdef NEED_NETLINK
+DRV_OBJS += src/drivers/netlink.c
+endif
+
+ifdef NEED_LINUX_IOCTL
+DRV_OBJS += src/drivers/linux_ioctl.c
+endif
+
+ifdef NEED_RFKILL
+DRV_OBJS += src/drivers/rfkill.c
+endif
+
+ifdef CONFIG_DRIVER_CUSTOM
+DRV_CFLAGS += -DCONFIG_DRIVER_CUSTOM
+endif
+
+##### COMMON VARS
+DRV_BOTH_CFLAGS := $(DRV_CFLAGS) $(DRV_WPA_CFLAGS) $(DRV_AP_CFLAGS)
+DRV_WPA_CFLAGS += $(DRV_CFLAGS)
+DRV_AP_CFLAGS += $(DRV_CFLAGS)
+
+DRV_BOTH_LIBS := $(DRV_LIBS) $(DRV_WPA_LIBS) $(DRV_AP_LIBS)
+DRV_WPA_LIBS += $(DRV_LIBS)
+DRV_AP_LIBS += $(DRV_LIBS)
+
+DRV_BOTH_OBJS := $(DRV_OBJS) $(DRV_WPA_OBJS) $(DRV_AP_OBJS)
+DRV_WPA_OBJS += $(DRV_OBJS)
+DRV_AP_OBJS += $(DRV_OBJS)
+
+DRV_BOTH_LDFLAGS := $(DRV_LDFLAGS) $(DRV_WPA_LDFLAGS) $(DRV_AP_LDFLAGS)
+DRV_WPA_LDFLAGS += $(DRV_LDFLAGS)
+DRV_AP_LDFLAGS += $(DRV_LDFLAGS)
diff --git a/src/drivers/linux_ioctl.c b/src/drivers/linux_ioctl.c
new file mode 100644
index 0000000..0d6cf54
--- /dev/null
+++ b/src/drivers/linux_ioctl.c
@@ -0,0 +1,198 @@
+/*
+ * Linux ioctl helper functions for driver wrappers
+ * Copyright (c) 2002-2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+#include <sys/ioctl.h>
+#include <net/if.h>
+#include <net/if_arp.h>
+
+#include "utils/common.h"
+#include "linux_ioctl.h"
+
+
+int linux_set_iface_flags(int sock, const char *ifname, int dev_up)
+{
+	struct ifreq ifr;
+
+	if (sock < 0)
+		return -1;
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
+
+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) != 0) {
+		wpa_printf(MSG_ERROR, "Could not read interface %s flags: %s",
+			   ifname, strerror(errno));
+		return -1;
+	}
+
+	if (dev_up) {
+		if (ifr.ifr_flags & IFF_UP)
+			return 0;
+		ifr.ifr_flags |= IFF_UP;
+	} else {
+		if (!(ifr.ifr_flags & IFF_UP))
+			return 0;
+		ifr.ifr_flags &= ~IFF_UP;
+	}
+
+	if (ioctl(sock, SIOCSIFFLAGS, &ifr) != 0) {
+		wpa_printf(MSG_ERROR, "Could not set interface %s flags: %s",
+			   ifname, strerror(errno));
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int linux_get_ifhwaddr(int sock, const char *ifname, u8 *addr)
+{
+	struct ifreq ifr;
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
+	if (ioctl(sock, SIOCGIFHWADDR, &ifr)) {
+		wpa_printf(MSG_ERROR, "Could not get interface %s hwaddr: %s",
+			   ifname, strerror(errno));
+		return -1;
+	}
+
+	if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) {
+		wpa_printf(MSG_ERROR, "%s: Invalid HW-addr family 0x%04x",
+			   ifname, ifr.ifr_hwaddr.sa_family);
+		return -1;
+	}
+	os_memcpy(addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
+
+	return 0;
+}
+
+
+int linux_set_ifhwaddr(int sock, const char *ifname, const u8 *addr)
+{
+	struct ifreq ifr;
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
+	os_memcpy(ifr.ifr_hwaddr.sa_data, addr, ETH_ALEN);
+	ifr.ifr_hwaddr.sa_family = ARPHRD_ETHER;
+
+	if (ioctl(sock, SIOCSIFHWADDR, &ifr)) {
+		wpa_printf(MSG_DEBUG, "Could not set interface %s hwaddr: %s",
+			   ifname, strerror(errno));
+		return -1;
+	}
+
+	return 0;
+}
+
+
+#ifndef SIOCBRADDBR
+#define SIOCBRADDBR 0x89a0
+#endif
+#ifndef SIOCBRDELBR
+#define SIOCBRDELBR 0x89a1
+#endif
+#ifndef SIOCBRADDIF
+#define SIOCBRADDIF 0x89a2
+#endif
+#ifndef SIOCBRDELIF
+#define SIOCBRDELIF 0x89a3
+#endif
+
+
+int linux_br_add(int sock, const char *brname)
+{
+	if (ioctl(sock, SIOCBRADDBR, brname) < 0) {
+		wpa_printf(MSG_DEBUG, "Could not add bridge %s: %s",
+			   brname, strerror(errno));
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int linux_br_del(int sock, const char *brname)
+{
+	if (ioctl(sock, SIOCBRDELBR, brname) < 0) {
+		wpa_printf(MSG_DEBUG, "Could not remove bridge %s: %s",
+			   brname, strerror(errno));
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int linux_br_add_if(int sock, const char *brname, const char *ifname)
+{
+	struct ifreq ifr;
+	int ifindex;
+
+	ifindex = if_nametoindex(ifname);
+	if (ifindex == 0)
+		return -1;
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, brname, IFNAMSIZ);
+	ifr.ifr_ifindex = ifindex;
+	if (ioctl(sock, SIOCBRADDIF, &ifr) < 0) {
+		wpa_printf(MSG_DEBUG, "Could not add interface %s into bridge "
+			   "%s: %s", ifname, brname, strerror(errno));
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int linux_br_del_if(int sock, const char *brname, const char *ifname)
+{
+	struct ifreq ifr;
+	int ifindex;
+
+	ifindex = if_nametoindex(ifname);
+	if (ifindex == 0)
+		return -1;
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, brname, IFNAMSIZ);
+	ifr.ifr_ifindex = ifindex;
+	if (ioctl(sock, SIOCBRDELIF, &ifr) < 0) {
+		wpa_printf(MSG_DEBUG, "Could not remove interface %s from "
+			   "bridge %s: %s", ifname, brname, strerror(errno));
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int linux_br_get(char *brname, const char *ifname)
+{
+	char path[128], brlink[128], *pos;
+	os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/bridge",
+		    ifname);
+	os_memset(brlink, 0, sizeof(brlink));
+	if (readlink(path, brlink, sizeof(brlink) - 1) < 0)
+		return -1;
+	pos = os_strrchr(brlink, '/');
+	if (pos == NULL)
+		return -1;
+	pos++;
+	os_strlcpy(brname, pos, IFNAMSIZ);
+	return 0;
+}
diff --git a/src/drivers/linux_ioctl.h b/src/drivers/linux_ioctl.h
new file mode 100644
index 0000000..a555738
--- /dev/null
+++ b/src/drivers/linux_ioctl.h
@@ -0,0 +1,27 @@
+/*
+ * Linux ioctl helper functions for driver wrappers
+ * Copyright (c) 2002-2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef LINUX_IOCTL_H
+#define LINUX_IOCTL_H
+
+int linux_set_iface_flags(int sock, const char *ifname, int dev_up);
+int linux_get_ifhwaddr(int sock, const char *ifname, u8 *addr);
+int linux_set_ifhwaddr(int sock, const char *ifname, const u8 *addr);
+int linux_br_add(int sock, const char *brname);
+int linux_br_del(int sock, const char *brname);
+int linux_br_add_if(int sock, const char *brname, const char *ifname);
+int linux_br_del_if(int sock, const char *brname, const char *ifname);
+int linux_br_get(char *brname, const char *ifname);
+
+#endif /* LINUX_IOCTL_H */
diff --git a/src/drivers/ndis_events.c b/src/drivers/ndis_events.c
new file mode 100644
index 0000000..f6eaa7c
--- /dev/null
+++ b/src/drivers/ndis_events.c
@@ -0,0 +1,808 @@
+/*
+ * ndis_events - Receive NdisMIndicateStatus() events using WMI
+ * Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#define _WIN32_WINNT    0x0400
+
+#include "includes.h"
+
+#ifndef COBJMACROS
+#define COBJMACROS
+#endif /* COBJMACROS */
+#include <wbemidl.h>
+
+#include "common.h"
+
+
+static int wmi_refcnt = 0;
+static int wmi_first = 1;
+
+struct ndis_events_data {
+	IWbemObjectSink sink;
+	IWbemObjectSinkVtbl sink_vtbl;
+
+	IWbemServices *pSvc;
+	IWbemLocator *pLoc;
+
+	HANDLE read_pipe, write_pipe, event_avail;
+	UINT ref;
+	int terminating;
+	char *ifname; /* {GUID..} */
+	WCHAR *adapter_desc;
+};
+
+#define BstrAlloc(x) (x) ? SysAllocString(x) : NULL
+#define BstrFree(x) if (x) SysFreeString(x)
+
+/* WBEM / WMI wrapper functions, to perform in-place conversion of WCHARs to
+ * BSTRs */
+HRESULT STDMETHODCALLTYPE call_IWbemServices_ExecQuery(
+	IWbemServices *pSvc, LPCWSTR strQueryLanguage, LPCWSTR strQuery,
+	long lFlags, IWbemContext *pCtx, IEnumWbemClassObject **ppEnum)
+{
+	BSTR bsQueryLanguage, bsQuery;
+	HRESULT hr;
+
+	bsQueryLanguage = BstrAlloc(strQueryLanguage);
+	bsQuery = BstrAlloc(strQuery);
+
+	hr = IWbemServices_ExecQuery(pSvc, bsQueryLanguage, bsQuery, lFlags,
+				     pCtx, ppEnum);
+
+	BstrFree(bsQueryLanguage);
+	BstrFree(bsQuery);
+
+	return hr;
+}
+
+
+HRESULT STDMETHODCALLTYPE call_IWbemServices_ExecNotificationQueryAsync(
+	IWbemServices *pSvc, LPCWSTR strQueryLanguage, LPCWSTR strQuery,
+	long lFlags, IWbemContext *pCtx, IWbemObjectSink *pResponseHandler)
+{
+	BSTR bsQueryLanguage, bsQuery;
+	HRESULT hr;
+
+	bsQueryLanguage = BstrAlloc(strQueryLanguage);
+	bsQuery = BstrAlloc(strQuery);
+
+	hr = IWbemServices_ExecNotificationQueryAsync(pSvc, bsQueryLanguage,
+						      bsQuery, lFlags, pCtx,
+						      pResponseHandler);
+
+	BstrFree(bsQueryLanguage);
+	BstrFree(bsQuery);
+
+	return hr;
+}
+
+
+HRESULT STDMETHODCALLTYPE call_IWbemLocator_ConnectServer(
+	IWbemLocator *pLoc, LPCWSTR strNetworkResource, LPCWSTR strUser,
+	LPCWSTR strPassword, LPCWSTR strLocale, long lSecurityFlags,
+	LPCWSTR strAuthority, IWbemContext *pCtx, IWbemServices **ppNamespace)
+{
+	BSTR bsNetworkResource, bsUser, bsPassword, bsLocale, bsAuthority;
+	HRESULT hr;
+
+	bsNetworkResource = BstrAlloc(strNetworkResource);
+	bsUser = BstrAlloc(strUser);
+	bsPassword = BstrAlloc(strPassword);
+	bsLocale = BstrAlloc(strLocale);
+	bsAuthority = BstrAlloc(strAuthority);
+
+	hr = IWbemLocator_ConnectServer(pLoc, bsNetworkResource, bsUser,
+					bsPassword, bsLocale, lSecurityFlags,
+					bsAuthority, pCtx, ppNamespace);
+
+	BstrFree(bsNetworkResource);
+	BstrFree(bsUser);
+	BstrFree(bsPassword);
+	BstrFree(bsLocale);
+	BstrFree(bsAuthority);
+
+	return hr;
+}
+
+
+enum event_types { EVENT_CONNECT, EVENT_DISCONNECT, EVENT_MEDIA_SPECIFIC,
+		   EVENT_ADAPTER_ARRIVAL, EVENT_ADAPTER_REMOVAL };
+
+static int ndis_events_get_adapter(struct ndis_events_data *events,
+				   const char *ifname, const char *desc);
+
+
+static int ndis_events_constructor(struct ndis_events_data *events)
+{
+	events->ref = 1;
+
+	if (!CreatePipe(&events->read_pipe, &events->write_pipe, NULL, 512)) {
+		wpa_printf(MSG_ERROR, "CreatePipe() failed: %d",
+			   (int) GetLastError());
+		return -1;
+	}
+	events->event_avail = CreateEvent(NULL, TRUE, FALSE, NULL);
+	if (events->event_avail == NULL) {
+		wpa_printf(MSG_ERROR, "CreateEvent() failed: %d",
+			   (int) GetLastError());
+		CloseHandle(events->read_pipe);
+		CloseHandle(events->write_pipe);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static void ndis_events_destructor(struct ndis_events_data *events)
+{
+	CloseHandle(events->read_pipe);
+	CloseHandle(events->write_pipe);
+	CloseHandle(events->event_avail);
+	IWbemServices_Release(events->pSvc);
+	IWbemLocator_Release(events->pLoc);
+	if (--wmi_refcnt == 0)
+		CoUninitialize();
+}
+
+
+static HRESULT STDMETHODCALLTYPE
+ndis_events_query_interface(IWbemObjectSink *this, REFIID riid, void **obj)
+{
+	*obj = NULL;
+
+	if (IsEqualIID(riid, &IID_IUnknown) ||
+	    IsEqualIID(riid, &IID_IWbemObjectSink)) {
+		*obj = this;
+		IWbemObjectSink_AddRef(this);
+		return NOERROR;
+	}
+
+	return E_NOINTERFACE;
+}
+
+
+static ULONG STDMETHODCALLTYPE ndis_events_add_ref(IWbemObjectSink *this)
+{
+	struct ndis_events_data *events = (struct ndis_events_data *) this;
+	return ++events->ref;
+}
+
+
+static ULONG STDMETHODCALLTYPE ndis_events_release(IWbemObjectSink *this)
+{
+	struct ndis_events_data *events = (struct ndis_events_data *) this;
+
+	if (--events->ref != 0)
+		return events->ref;
+
+	ndis_events_destructor(events);
+	wpa_printf(MSG_DEBUG, "ndis_events: terminated");
+	os_free(events->adapter_desc);
+	os_free(events->ifname);
+	os_free(events);
+	return 0;
+}
+
+
+static int ndis_events_send_event(struct ndis_events_data *events,
+				  enum event_types type,
+				  char *data, size_t data_len)
+{
+	char buf[512], *pos, *end;
+	int _type;
+	DWORD written;
+
+	end = buf + sizeof(buf);
+	_type = (int) type;
+	os_memcpy(buf, &_type, sizeof(_type));
+	pos = buf + sizeof(_type);
+
+	if (data) {
+		if (2 + data_len > (size_t) (end - pos)) {
+			wpa_printf(MSG_DEBUG, "Not enough room for send_event "
+				   "data (%d)", data_len);
+			return -1;
+		}
+		*pos++ = data_len >> 8;
+		*pos++ = data_len & 0xff;
+		os_memcpy(pos, data, data_len);
+		pos += data_len;
+	}
+
+	if (WriteFile(events->write_pipe, buf, pos - buf, &written, NULL)) {
+		SetEvent(events->event_avail);
+		return 0;
+	}
+	wpa_printf(MSG_INFO, "WriteFile() failed: %d", (int) GetLastError());
+	return -1;
+}
+
+
+static void ndis_events_media_connect(struct ndis_events_data *events)
+{
+	wpa_printf(MSG_DEBUG, "MSNdis_StatusMediaConnect");
+	ndis_events_send_event(events, EVENT_CONNECT, NULL, 0);
+}
+
+
+static void ndis_events_media_disconnect(struct ndis_events_data *events)
+{
+	wpa_printf(MSG_DEBUG, "MSNdis_StatusMediaDisconnect");
+	ndis_events_send_event(events, EVENT_DISCONNECT, NULL, 0);
+}
+
+
+static void ndis_events_media_specific(struct ndis_events_data *events,
+				       IWbemClassObject *pObj)
+{
+	VARIANT vt;
+	HRESULT hr;
+	LONG lower, upper, k;
+	UCHAR ch;
+	char *data, *pos;
+	size_t data_len;
+
+	wpa_printf(MSG_DEBUG, "MSNdis_StatusMediaSpecificIndication");
+
+	/* This is the StatusBuffer from NdisMIndicateStatus() call */
+	hr = IWbemClassObject_Get(pObj, L"NdisStatusMediaSpecificIndication",
+				  0, &vt, NULL, NULL);
+	if (FAILED(hr)) {
+		wpa_printf(MSG_DEBUG, "Could not get "
+			   "NdisStatusMediaSpecificIndication from "
+			   "the object?!");
+		return;
+	}
+
+	SafeArrayGetLBound(V_ARRAY(&vt), 1, &lower);
+	SafeArrayGetUBound(V_ARRAY(&vt), 1, &upper);
+	data_len = upper - lower + 1;
+	data = os_malloc(data_len);
+	if (data == NULL) {
+		wpa_printf(MSG_DEBUG, "Failed to allocate buffer for event "
+			   "data");
+		VariantClear(&vt);
+		return;
+	}
+
+	pos = data;
+	for (k = lower; k <= upper; k++) {
+		SafeArrayGetElement(V_ARRAY(&vt), &k, &ch);
+		*pos++ = ch;
+	}
+	wpa_hexdump(MSG_DEBUG, "MediaSpecificEvent", (u8 *) data, data_len);
+
+	VariantClear(&vt);
+
+	ndis_events_send_event(events, EVENT_MEDIA_SPECIFIC, data, data_len);
+
+	os_free(data);
+}
+
+
+static void ndis_events_adapter_arrival(struct ndis_events_data *events)
+{
+	wpa_printf(MSG_DEBUG, "MSNdis_NotifyAdapterArrival");
+	ndis_events_send_event(events, EVENT_ADAPTER_ARRIVAL, NULL, 0);
+}
+
+
+static void ndis_events_adapter_removal(struct ndis_events_data *events)
+{
+	wpa_printf(MSG_DEBUG, "MSNdis_NotifyAdapterRemoval");
+	ndis_events_send_event(events, EVENT_ADAPTER_REMOVAL, NULL, 0);
+}
+
+
+static HRESULT STDMETHODCALLTYPE
+ndis_events_indicate(IWbemObjectSink *this, long lObjectCount,
+		     IWbemClassObject __RPC_FAR *__RPC_FAR *ppObjArray)
+{
+	struct ndis_events_data *events = (struct ndis_events_data *) this;
+	long i;
+
+	if (events->terminating) {
+		wpa_printf(MSG_DEBUG, "ndis_events_indicate: Ignore "
+			   "indication - terminating");
+		return WBEM_NO_ERROR;
+	}
+	/* wpa_printf(MSG_DEBUG, "Notification received - %d object(s)",
+	   lObjectCount); */
+
+	for (i = 0; i < lObjectCount; i++) {
+		IWbemClassObject *pObj = ppObjArray[i];
+		HRESULT hr;
+		VARIANT vtClass, vt;
+
+		hr = IWbemClassObject_Get(pObj, L"__CLASS", 0, &vtClass, NULL,
+					  NULL);
+		if (FAILED(hr)) {
+			wpa_printf(MSG_DEBUG, "Failed to get __CLASS from "
+				   "event.");
+			break;
+		}
+		/* wpa_printf(MSG_DEBUG, "CLASS: '%S'", vtClass.bstrVal); */
+
+		hr = IWbemClassObject_Get(pObj, L"InstanceName", 0, &vt, NULL,
+					  NULL);
+		if (FAILED(hr)) {
+			wpa_printf(MSG_DEBUG, "Failed to get InstanceName "
+				   "from event.");
+			VariantClear(&vtClass);
+			break;
+		}
+
+		if (wcscmp(vtClass.bstrVal,
+			   L"MSNdis_NotifyAdapterArrival") == 0) {
+			wpa_printf(MSG_DEBUG, "ndis_events_indicate: Try to "
+				   "update adapter description since it may "
+				   "have changed with new adapter instance");
+			ndis_events_get_adapter(events, events->ifname, NULL);
+		}
+
+		if (wcscmp(events->adapter_desc, vt.bstrVal) != 0) {
+			wpa_printf(MSG_DEBUG, "ndis_events_indicate: Ignore "
+				   "indication for foreign adapter: "
+				   "InstanceName: '%S' __CLASS: '%S'",
+				   vt.bstrVal, vtClass.bstrVal);
+			VariantClear(&vtClass);
+			VariantClear(&vt);
+			continue;
+		}
+		VariantClear(&vt);
+
+		if (wcscmp(vtClass.bstrVal,
+			   L"MSNdis_StatusMediaSpecificIndication") == 0) {
+			ndis_events_media_specific(events, pObj);
+		} else if (wcscmp(vtClass.bstrVal,
+				  L"MSNdis_StatusMediaConnect") == 0) {
+			ndis_events_media_connect(events);
+		} else if (wcscmp(vtClass.bstrVal,
+				  L"MSNdis_StatusMediaDisconnect") == 0) {
+			ndis_events_media_disconnect(events);
+		} else if (wcscmp(vtClass.bstrVal,
+				  L"MSNdis_NotifyAdapterArrival") == 0) {
+			ndis_events_adapter_arrival(events);
+		} else if (wcscmp(vtClass.bstrVal,
+				  L"MSNdis_NotifyAdapterRemoval") == 0) {
+			ndis_events_adapter_removal(events);
+		} else {
+			wpa_printf(MSG_DEBUG, "Unepected event - __CLASS: "
+				   "'%S'", vtClass.bstrVal);
+		}
+
+		VariantClear(&vtClass);
+	}
+
+	return WBEM_NO_ERROR;
+}
+
+
+static HRESULT STDMETHODCALLTYPE
+ndis_events_set_status(IWbemObjectSink *this, long lFlags, HRESULT hResult,
+		       BSTR strParam, IWbemClassObject __RPC_FAR *pObjParam)
+{
+	return WBEM_NO_ERROR;
+}
+
+
+static int notification_query(IWbemObjectSink *pDestSink,
+			      IWbemServices *pSvc, const char *class_name)
+{
+	HRESULT hr;
+	WCHAR query[256];
+
+	_snwprintf(query, 256,
+		  L"SELECT * FROM %S", class_name);
+	wpa_printf(MSG_DEBUG, "ndis_events: WMI: %S", query);
+	hr = call_IWbemServices_ExecNotificationQueryAsync(
+		pSvc, L"WQL", query, 0, 0, pDestSink);
+	if (FAILED(hr)) {
+		wpa_printf(MSG_DEBUG, "ExecNotificationQueryAsync for %s "
+			   "failed with hresult of 0x%x",
+			   class_name, (int) hr);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int register_async_notification(IWbemObjectSink *pDestSink,
+				       IWbemServices *pSvc)
+{
+	int i;
+	const char *class_list[] = {
+		"MSNdis_StatusMediaConnect",
+		"MSNdis_StatusMediaDisconnect",
+		"MSNdis_StatusMediaSpecificIndication",
+		"MSNdis_NotifyAdapterArrival",
+		"MSNdis_NotifyAdapterRemoval",
+		NULL
+	};
+
+	for (i = 0; class_list[i]; i++) {
+		if (notification_query(pDestSink, pSvc, class_list[i]) < 0)
+			return -1;
+	}
+
+	return 0;
+}
+
+
+void ndis_events_deinit(struct ndis_events_data *events)
+{
+	events->terminating = 1;
+	IWbemServices_CancelAsyncCall(events->pSvc, &events->sink);
+	IWbemObjectSink_Release(&events->sink);
+	/*
+	 * Rest of deinitialization is done in ndis_events_destructor() once
+	 * all reference count drops to zero.
+	 */
+}
+
+
+static int ndis_events_use_desc(struct ndis_events_data *events,
+				const char *desc)
+{
+	char *tmp, *pos;
+	size_t len;
+
+	if (desc == NULL) {
+		if (events->adapter_desc == NULL)
+			return -1;
+		/* Continue using old description */
+		return 0;
+	}
+
+	tmp = os_strdup(desc);
+	if (tmp == NULL)
+		return -1;
+
+	pos = os_strstr(tmp, " (Microsoft's Packet Scheduler)");
+	if (pos)
+		*pos = '\0';
+
+	len = os_strlen(tmp);
+	events->adapter_desc = os_malloc((len + 1) * sizeof(WCHAR));
+	if (events->adapter_desc == NULL) {
+		os_free(tmp);
+		return -1;
+	}
+	_snwprintf(events->adapter_desc, len + 1, L"%S", tmp);
+	os_free(tmp);
+	return 0;
+}
+
+
+static int ndis_events_get_adapter(struct ndis_events_data *events,
+				   const char *ifname, const char *desc)
+{
+	HRESULT hr;
+	IWbemServices *pSvc;
+#define MAX_QUERY_LEN 256
+	WCHAR query[MAX_QUERY_LEN];
+	IEnumWbemClassObject *pEnumerator;
+	IWbemClassObject *pObj;
+	ULONG uReturned;
+	VARIANT vt;
+	int len, pos;
+
+	/*
+	 * Try to get adapter descriptor through WMI CIMv2 Win32_NetworkAdapter
+	 * to have better probability of matching with InstanceName from
+	 * MSNdis events. If this fails, use the provided description.
+	 */
+
+	os_free(events->adapter_desc);
+	events->adapter_desc = NULL;
+
+	hr = call_IWbemLocator_ConnectServer(
+		events->pLoc, L"ROOT\\CIMV2", NULL, NULL, 0, 0, 0, 0, &pSvc);
+	if (FAILED(hr)) {
+		wpa_printf(MSG_ERROR, "ndis_events: Could not connect to WMI "
+			   "server (ROOT\\CIMV2) - error 0x%x", (int) hr);
+		return ndis_events_use_desc(events, desc);
+	}
+	wpa_printf(MSG_DEBUG, "ndis_events: Connected to ROOT\\CIMV2.");
+
+	_snwprintf(query, MAX_QUERY_LEN,
+		  L"SELECT Index FROM Win32_NetworkAdapterConfiguration "
+		  L"WHERE SettingID='%S'", ifname);
+	wpa_printf(MSG_DEBUG, "ndis_events: WMI: %S", query);
+
+	hr = call_IWbemServices_ExecQuery(
+		pSvc, L"WQL", query,
+		WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY,
+		NULL, &pEnumerator);
+	if (!SUCCEEDED(hr)) {
+		wpa_printf(MSG_DEBUG, "ndis_events: Failed to query interface "
+			   "GUID from Win32_NetworkAdapterConfiguration: "
+			   "0x%x", (int) hr);
+		IWbemServices_Release(pSvc);
+		return ndis_events_use_desc(events, desc);
+	}
+
+	uReturned = 0;
+	hr = IEnumWbemClassObject_Next(pEnumerator, WBEM_INFINITE, 1,
+				       &pObj, &uReturned);
+	if (!SUCCEEDED(hr) || uReturned == 0) {
+		wpa_printf(MSG_DEBUG, "ndis_events: Failed to find interface "
+			   "GUID from Win32_NetworkAdapterConfiguration: "
+			   "0x%x", (int) hr);
+		IEnumWbemClassObject_Release(pEnumerator);
+		IWbemServices_Release(pSvc);
+		return ndis_events_use_desc(events, desc);
+	}
+	IEnumWbemClassObject_Release(pEnumerator);
+
+	VariantInit(&vt);
+	hr = IWbemClassObject_Get(pObj, L"Index", 0, &vt, NULL, NULL);
+	if (!SUCCEEDED(hr)) {
+		wpa_printf(MSG_DEBUG, "ndis_events: Failed to get Index from "
+			   "Win32_NetworkAdapterConfiguration: 0x%x",
+			   (int) hr);
+		IWbemServices_Release(pSvc);
+		return ndis_events_use_desc(events, desc);
+	}
+
+	_snwprintf(query, MAX_QUERY_LEN,
+		  L"SELECT Name,PNPDeviceID FROM Win32_NetworkAdapter WHERE "
+		  L"Index=%d",
+		  vt.uintVal);
+	wpa_printf(MSG_DEBUG, "ndis_events: WMI: %S", query);
+	VariantClear(&vt);
+	IWbemClassObject_Release(pObj);
+
+	hr = call_IWbemServices_ExecQuery(
+		pSvc, L"WQL", query,
+		WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY,
+		NULL, &pEnumerator);
+	if (!SUCCEEDED(hr)) {
+		wpa_printf(MSG_DEBUG, "ndis_events: Failed to query interface "
+			   "from Win32_NetworkAdapter: 0x%x", (int) hr);
+		IWbemServices_Release(pSvc);
+		return ndis_events_use_desc(events, desc);
+	}
+
+	uReturned = 0;
+	hr = IEnumWbemClassObject_Next(pEnumerator, WBEM_INFINITE, 1,
+				       &pObj, &uReturned);
+	if (!SUCCEEDED(hr) || uReturned == 0) {
+		wpa_printf(MSG_DEBUG, "ndis_events: Failed to find interface "
+			   "from Win32_NetworkAdapter: 0x%x", (int) hr);
+		IEnumWbemClassObject_Release(pEnumerator);
+		IWbemServices_Release(pSvc);
+		return ndis_events_use_desc(events, desc);
+	}
+	IEnumWbemClassObject_Release(pEnumerator);
+
+	hr = IWbemClassObject_Get(pObj, L"Name", 0, &vt, NULL, NULL);
+	if (!SUCCEEDED(hr)) {
+		wpa_printf(MSG_DEBUG, "ndis_events: Failed to get Name from "
+			   "Win32_NetworkAdapter: 0x%x", (int) hr);
+		IWbemClassObject_Release(pObj);
+		IWbemServices_Release(pSvc);
+		return ndis_events_use_desc(events, desc);
+	}
+
+	wpa_printf(MSG_DEBUG, "ndis_events: Win32_NetworkAdapter::Name='%S'",
+		   vt.bstrVal);
+	events->adapter_desc = _wcsdup(vt.bstrVal);
+	VariantClear(&vt);
+
+	/*
+	 * Try to get even better candidate for matching with InstanceName
+	 * from Win32_PnPEntity. This is needed at least for some USB cards
+	 * that can change the InstanceName whenever being unplugged and
+	 * plugged again.
+	 */
+
+	hr = IWbemClassObject_Get(pObj, L"PNPDeviceID", 0, &vt, NULL, NULL);
+	if (!SUCCEEDED(hr)) {
+		wpa_printf(MSG_DEBUG, "ndis_events: Failed to get PNPDeviceID "
+			   "from Win32_NetworkAdapter: 0x%x", (int) hr);
+		IWbemClassObject_Release(pObj);
+		IWbemServices_Release(pSvc);
+		if (events->adapter_desc == NULL)
+			return ndis_events_use_desc(events, desc);
+		return 0; /* use Win32_NetworkAdapter::Name */
+	}
+
+	wpa_printf(MSG_DEBUG, "ndis_events: Win32_NetworkAdapter::PNPDeviceID="
+		   "'%S'", vt.bstrVal);
+
+	len = _snwprintf(query, MAX_QUERY_LEN,
+			L"SELECT Name FROM Win32_PnPEntity WHERE DeviceID='");
+	if (len < 0 || len >= MAX_QUERY_LEN - 1) {
+		VariantClear(&vt);
+		IWbemClassObject_Release(pObj);
+		IWbemServices_Release(pSvc);
+		if (events->adapter_desc == NULL)
+			return ndis_events_use_desc(events, desc);
+		return 0; /* use Win32_NetworkAdapter::Name */
+	}
+
+	/* Escape \ as \\ */
+	for (pos = 0; vt.bstrVal[pos] && len < MAX_QUERY_LEN - 2; pos++) {
+		if (vt.bstrVal[pos] == '\\') {
+			if (len >= MAX_QUERY_LEN - 3)
+				break;
+			query[len++] = '\\';
+		}
+		query[len++] = vt.bstrVal[pos];
+	}
+	query[len++] = L'\'';
+	query[len] = L'\0';
+	VariantClear(&vt);
+	IWbemClassObject_Release(pObj);
+	wpa_printf(MSG_DEBUG, "ndis_events: WMI: %S", query);
+
+	hr = call_IWbemServices_ExecQuery(
+		pSvc, L"WQL", query,
+		WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY,
+		NULL, &pEnumerator);
+	if (!SUCCEEDED(hr)) {
+		wpa_printf(MSG_DEBUG, "ndis_events: Failed to query interface "
+			   "Name from Win32_PnPEntity: 0x%x", (int) hr);
+		IWbemServices_Release(pSvc);
+		if (events->adapter_desc == NULL)
+			return ndis_events_use_desc(events, desc);
+		return 0; /* use Win32_NetworkAdapter::Name */
+	}
+
+	uReturned = 0;
+	hr = IEnumWbemClassObject_Next(pEnumerator, WBEM_INFINITE, 1,
+				       &pObj, &uReturned);
+	if (!SUCCEEDED(hr) || uReturned == 0) {
+		wpa_printf(MSG_DEBUG, "ndis_events: Failed to find interface "
+			   "from Win32_PnPEntity: 0x%x", (int) hr);
+		IEnumWbemClassObject_Release(pEnumerator);
+		IWbemServices_Release(pSvc);
+		if (events->adapter_desc == NULL)
+			return ndis_events_use_desc(events, desc);
+		return 0; /* use Win32_NetworkAdapter::Name */
+	}
+	IEnumWbemClassObject_Release(pEnumerator);
+
+	hr = IWbemClassObject_Get(pObj, L"Name", 0, &vt, NULL, NULL);
+	if (!SUCCEEDED(hr)) {
+		wpa_printf(MSG_DEBUG, "ndis_events: Failed to get Name from "
+			   "Win32_PnPEntity: 0x%x", (int) hr);
+		IWbemClassObject_Release(pObj);
+		IWbemServices_Release(pSvc);
+		if (events->adapter_desc == NULL)
+			return ndis_events_use_desc(events, desc);
+		return 0; /* use Win32_NetworkAdapter::Name */
+	}
+
+	wpa_printf(MSG_DEBUG, "ndis_events: Win32_PnPEntity::Name='%S'",
+		   vt.bstrVal);
+	os_free(events->adapter_desc);
+	events->adapter_desc = _wcsdup(vt.bstrVal);
+	VariantClear(&vt);
+
+	IWbemClassObject_Release(pObj);
+
+	IWbemServices_Release(pSvc);
+
+	if (events->adapter_desc == NULL)
+		return ndis_events_use_desc(events, desc);
+
+	return 0;
+}
+
+
+struct ndis_events_data *
+ndis_events_init(HANDLE *read_pipe, HANDLE *event_avail,
+		 const char *ifname, const char *desc)
+{
+	HRESULT hr;
+	IWbemObjectSink *pSink;
+	struct ndis_events_data *events;
+
+	events = os_zalloc(sizeof(*events));
+	if (events == NULL) {
+		wpa_printf(MSG_ERROR, "Could not allocate sink for events.");
+		return NULL;
+	}
+	events->ifname = os_strdup(ifname);
+	if (events->ifname == NULL) {
+		os_free(events);
+		return NULL;
+	}
+
+	if (wmi_refcnt++ == 0) {
+		hr = CoInitializeEx(0, COINIT_MULTITHREADED);
+		if (FAILED(hr)) {
+			wpa_printf(MSG_ERROR, "CoInitializeEx() failed - "
+				   "returned 0x%x", (int) hr);
+			os_free(events);
+			return NULL;
+		}
+	}
+
+	if (wmi_first) {
+		/* CoInitializeSecurity() must be called once and only once
+		 * per process, so let's use wmi_first flag to protect against
+		 * multiple calls. */
+		wmi_first = 0;
+
+		hr = CoInitializeSecurity(NULL, -1, NULL, NULL,
+					  RPC_C_AUTHN_LEVEL_PKT_PRIVACY,
+					  RPC_C_IMP_LEVEL_IMPERSONATE,
+					  NULL, EOAC_SECURE_REFS, NULL);
+		if (FAILED(hr)) {
+			wpa_printf(MSG_ERROR, "CoInitializeSecurity() failed "
+				   "- returned 0x%x", (int) hr);
+			os_free(events);
+			return NULL;
+		}
+	}
+
+	hr = CoCreateInstance(&CLSID_WbemLocator, 0, CLSCTX_INPROC_SERVER,
+			      &IID_IWbemLocator,
+			      (LPVOID *) (void *) &events->pLoc);
+	if (FAILED(hr)) {
+		wpa_printf(MSG_ERROR, "CoCreateInstance() failed - returned "
+			   "0x%x", (int) hr);
+		CoUninitialize();
+		os_free(events);
+		return NULL;
+	}
+
+	if (ndis_events_get_adapter(events, ifname, desc) < 0) {
+		CoUninitialize();
+		os_free(events);
+		return NULL;
+	}
+	wpa_printf(MSG_DEBUG, "ndis_events: use adapter descriptor '%S'",
+		   events->adapter_desc);
+
+	hr = call_IWbemLocator_ConnectServer(
+		events->pLoc, L"ROOT\\WMI", NULL, NULL,
+		0, 0, 0, 0, &events->pSvc);
+	if (FAILED(hr)) {
+		wpa_printf(MSG_ERROR, "Could not connect to server - error "
+			   "0x%x", (int) hr);
+		CoUninitialize();
+		os_free(events->adapter_desc);
+		os_free(events);
+		return NULL;
+	}
+	wpa_printf(MSG_DEBUG, "Connected to ROOT\\WMI.");
+
+	ndis_events_constructor(events);
+	pSink = &events->sink;
+	pSink->lpVtbl = &events->sink_vtbl;
+	events->sink_vtbl.QueryInterface = ndis_events_query_interface;
+	events->sink_vtbl.AddRef = ndis_events_add_ref;
+	events->sink_vtbl.Release = ndis_events_release;
+	events->sink_vtbl.Indicate = ndis_events_indicate;
+	events->sink_vtbl.SetStatus = ndis_events_set_status;
+
+	if (register_async_notification(pSink, events->pSvc) < 0) {
+		wpa_printf(MSG_DEBUG, "Failed to register async "
+			   "notifications");
+		ndis_events_destructor(events);
+		os_free(events->adapter_desc);
+		os_free(events);
+		return NULL;
+	}
+
+	*read_pipe = events->read_pipe;
+	*event_avail = events->event_avail;
+
+	return events;
+}
diff --git a/src/drivers/netlink.c b/src/drivers/netlink.c
new file mode 100644
index 0000000..ad15b1d
--- /dev/null
+++ b/src/drivers/netlink.c
@@ -0,0 +1,204 @@
+/*
+ * Netlink helper functions for driver wrappers
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eloop.h"
+#include "priv_netlink.h"
+#include "netlink.h"
+
+
+struct netlink_data {
+	struct netlink_config *cfg;
+	int sock;
+};
+
+
+static void netlink_receive_link(struct netlink_data *netlink,
+				 void (*cb)(void *ctx, struct ifinfomsg *ifi,
+					    u8 *buf, size_t len),
+				 struct nlmsghdr *h)
+{
+	if (cb == NULL || NLMSG_PAYLOAD(h, 0) < sizeof(struct ifinfomsg))
+		return;
+	cb(netlink->cfg->ctx, NLMSG_DATA(h),
+	   NLMSG_DATA(h) + NLMSG_ALIGN(sizeof(struct ifinfomsg)),
+	   NLMSG_PAYLOAD(h, sizeof(struct ifinfomsg)));
+}
+
+
+static void netlink_receive(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	struct netlink_data *netlink = eloop_ctx;
+	char buf[8192];
+	int left;
+	struct sockaddr_nl from;
+	socklen_t fromlen;
+	struct nlmsghdr *h;
+	int max_events = 10;
+
+try_again:
+	fromlen = sizeof(from);
+	left = recvfrom(sock, buf, sizeof(buf), MSG_DONTWAIT,
+			(struct sockaddr *) &from, &fromlen);
+	if (left < 0) {
+		if (errno != EINTR && errno != EAGAIN)
+			wpa_printf(MSG_INFO, "netlink: recvfrom failed: %s",
+				   strerror(errno));
+		return;
+	}
+
+	h = (struct nlmsghdr *) buf;
+	while (NLMSG_OK(h, left)) {
+		switch (h->nlmsg_type) {
+		case RTM_NEWLINK:
+			netlink_receive_link(netlink, netlink->cfg->newlink_cb,
+					     h);
+			break;
+		case RTM_DELLINK:
+			netlink_receive_link(netlink, netlink->cfg->dellink_cb,
+					     h);
+			break;
+		}
+
+		h = NLMSG_NEXT(h, left);
+	}
+
+	if (left > 0) {
+		wpa_printf(MSG_DEBUG, "netlink: %d extra bytes in the end of "
+			   "netlink message", left);
+	}
+
+	if (--max_events > 0) {
+		/*
+		 * Try to receive all events in one eloop call in order to
+		 * limit race condition on cases where AssocInfo event, Assoc
+		 * event, and EAPOL frames are received more or less at the
+		 * same time. We want to process the event messages first
+		 * before starting EAPOL processing.
+		 */
+		goto try_again;
+	}
+}
+
+
+struct netlink_data * netlink_init(struct netlink_config *cfg)
+{
+	struct netlink_data *netlink;
+	struct sockaddr_nl local;
+
+	netlink = os_zalloc(sizeof(*netlink));
+	if (netlink == NULL)
+		return NULL;
+
+	netlink->cfg = cfg;
+
+	netlink->sock = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
+	if (netlink->sock < 0) {
+		wpa_printf(MSG_ERROR, "netlink: Failed to open netlink "
+			   "socket: %s", strerror(errno));
+		netlink_deinit(netlink);
+		return NULL;
+	}
+
+	os_memset(&local, 0, sizeof(local));
+	local.nl_family = AF_NETLINK;
+	local.nl_groups = RTMGRP_LINK;
+	if (bind(netlink->sock, (struct sockaddr *) &local, sizeof(local)) < 0)
+	{
+		wpa_printf(MSG_ERROR, "netlink: Failed to bind netlink "
+			   "socket: %s", strerror(errno));
+		netlink_deinit(netlink);
+		return NULL;
+	}
+
+	eloop_register_read_sock(netlink->sock, netlink_receive, netlink,
+				 NULL);
+
+	return netlink;
+}
+
+
+void netlink_deinit(struct netlink_data *netlink)
+{
+	if (netlink == NULL)
+		return;
+	if (netlink->sock >= 0) {
+		eloop_unregister_read_sock(netlink->sock);
+		close(netlink->sock);
+	}
+	os_free(netlink->cfg);
+	os_free(netlink);
+}
+
+int netlink_send_oper_ifla(struct netlink_data *netlink, int ifindex,
+			   int linkmode, int operstate)
+{
+	struct {
+		struct nlmsghdr hdr;
+		struct ifinfomsg ifinfo;
+		char opts[16];
+	} req;
+	struct rtattr *rta;
+	static int nl_seq;
+	ssize_t ret;
+
+	os_memset(&req, 0, sizeof(req));
+
+	req.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
+	req.hdr.nlmsg_type = RTM_SETLINK;
+	req.hdr.nlmsg_flags = NLM_F_REQUEST;
+	req.hdr.nlmsg_seq = ++nl_seq;
+	req.hdr.nlmsg_pid = 0;
+
+	req.ifinfo.ifi_family = AF_UNSPEC;
+	req.ifinfo.ifi_type = 0;
+	req.ifinfo.ifi_index = ifindex;
+	req.ifinfo.ifi_flags = 0;
+	req.ifinfo.ifi_change = 0;
+
+	if (linkmode != -1) {
+		rta = aliasing_hide_typecast(
+			((char *) &req + NLMSG_ALIGN(req.hdr.nlmsg_len)),
+			struct rtattr);
+		rta->rta_type = IFLA_LINKMODE;
+		rta->rta_len = RTA_LENGTH(sizeof(char));
+		*((char *) RTA_DATA(rta)) = linkmode;
+		req.hdr.nlmsg_len = NLMSG_ALIGN(req.hdr.nlmsg_len) +
+			RTA_LENGTH(sizeof(char));
+	}
+	if (operstate != -1) {
+		rta = aliasing_hide_typecast(
+			((char *) &req + NLMSG_ALIGN(req.hdr.nlmsg_len)),
+			struct rtattr);
+		rta->rta_type = IFLA_OPERSTATE;
+		rta->rta_len = RTA_LENGTH(sizeof(char));
+		*((char *) RTA_DATA(rta)) = operstate;
+		req.hdr.nlmsg_len = NLMSG_ALIGN(req.hdr.nlmsg_len) +
+			RTA_LENGTH(sizeof(char));
+	}
+
+	wpa_printf(MSG_DEBUG, "netlink: Operstate: linkmode=%d, operstate=%d",
+		   linkmode, operstate);
+
+	ret = send(netlink->sock, &req, req.hdr.nlmsg_len, 0);
+	if (ret < 0) {
+		wpa_printf(MSG_DEBUG, "netlink: Sending operstate IFLA "
+			   "failed: %s (assume operstate is not supported)",
+			   strerror(errno));
+	}
+
+	return ret < 0 ? -1 : 0;
+}
diff --git a/src/drivers/netlink.h b/src/drivers/netlink.h
new file mode 100644
index 0000000..ccf12a5
--- /dev/null
+++ b/src/drivers/netlink.h
@@ -0,0 +1,34 @@
+/*
+ * Netlink helper functions for driver wrappers
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef NETLINK_H
+#define NETLINK_H
+
+struct netlink_data;
+struct ifinfomsg;
+
+struct netlink_config {
+	void *ctx;
+	void (*newlink_cb)(void *ctx, struct ifinfomsg *ifi, u8 *buf,
+			   size_t len);
+	void (*dellink_cb)(void *ctx, struct ifinfomsg *ifi, u8 *buf,
+			   size_t len);
+};
+
+struct netlink_data * netlink_init(struct netlink_config *cfg);
+void netlink_deinit(struct netlink_data *netlink);
+int netlink_send_oper_ifla(struct netlink_data *netlink, int ifindex,
+			   int linkmode, int operstate);
+
+#endif /* NETLINK_H */
diff --git a/src/drivers/nl80211_copy.h b/src/drivers/nl80211_copy.h
new file mode 100644
index 0000000..7483a89
--- /dev/null
+++ b/src/drivers/nl80211_copy.h
@@ -0,0 +1,1939 @@
+#ifndef __LINUX_NL80211_H
+#define __LINUX_NL80211_H
+/*
+ * 802.11 netlink interface public header
+ *
+ * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2008 Michael Wu <flamingice@sourmilk.net>
+ * Copyright 2008 Luis Carlos Cobo <luisca@cozybit.com>
+ * Copyright 2008 Michael Buesch <mb@bu3sch.de>
+ * Copyright 2008, 2009 Luis R. Rodriguez <lrodriguez@atheros.com>
+ * Copyright 2008 Jouni Malinen <jouni.malinen@atheros.com>
+ * Copyright 2008 Colin McCabe <colin@cozybit.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#include <linux/types.h>
+
+/**
+ * DOC: Station handling
+ *
+ * Stations are added per interface, but a special case exists with VLAN
+ * interfaces. When a station is bound to an AP interface, it may be moved
+ * into a VLAN identified by a VLAN interface index (%NL80211_ATTR_STA_VLAN).
+ * The station is still assumed to belong to the AP interface it was added
+ * to.
+ *
+ * TODO: need more info?
+ */
+
+/**
+ * DOC: Frame transmission/registration support
+ *
+ * Frame transmission and registration support exists to allow userspace
+ * management entities such as wpa_supplicant react to management frames
+ * that are not being handled by the kernel. This includes, for example,
+ * certain classes of action frames that cannot be handled in the kernel
+ * for various reasons.
+ *
+ * Frame registration is done on a per-interface basis and registrations
+ * cannot be removed other than by closing the socket. It is possible to
+ * specify a registration filter to register, for example, only for a
+ * certain type of action frame. In particular with action frames, those
+ * that userspace registers for will not be returned as unhandled by the
+ * driver, so that the registered application has to take responsibility
+ * for doing that.
+ *
+ * The type of frame that can be registered for is also dependent on the
+ * driver and interface type. The frame types are advertised in wiphy
+ * attributes so applications know what to expect.
+ *
+ * NOTE: When an interface changes type while registrations are active,
+ *       these registrations are ignored until the interface type is
+ *       changed again. This means that changing the interface type can
+ *       lead to a situation that couldn't otherwise be produced, but
+ *       any such registrations will be dormant in the sense that they
+ *       will not be serviced, i.e. they will not receive any frames.
+ *
+ * Frame transmission allows userspace to send for example the required
+ * responses to action frames. It is subject to some sanity checking,
+ * but many frames can be transmitted. When a frame was transmitted, its
+ * status is indicated to the sending socket.
+ *
+ * For more technical details, see the corresponding command descriptions
+ * below.
+ */
+
+/**
+ * enum nl80211_commands - supported nl80211 commands
+ *
+ * @NL80211_CMD_UNSPEC: unspecified command to catch errors
+ *
+ * @NL80211_CMD_GET_WIPHY: request information about a wiphy or dump request
+ *	to get a list of all present wiphys.
+ * @NL80211_CMD_SET_WIPHY: set wiphy parameters, needs %NL80211_ATTR_WIPHY or
+ *	%NL80211_ATTR_IFINDEX; can be used to set %NL80211_ATTR_WIPHY_NAME,
+ *	%NL80211_ATTR_WIPHY_TXQ_PARAMS, %NL80211_ATTR_WIPHY_FREQ,
+ *	%NL80211_ATTR_WIPHY_CHANNEL_TYPE, %NL80211_ATTR_WIPHY_RETRY_SHORT,
+ *	%NL80211_ATTR_WIPHY_RETRY_LONG, %NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
+ *	and/or %NL80211_ATTR_WIPHY_RTS_THRESHOLD.
+ *	However, for setting the channel, see %NL80211_CMD_SET_CHANNEL
+ *	instead, the support here is for backward compatibility only.
+ * @NL80211_CMD_NEW_WIPHY: Newly created wiphy, response to get request
+ *	or rename notification. Has attributes %NL80211_ATTR_WIPHY and
+ *	%NL80211_ATTR_WIPHY_NAME.
+ * @NL80211_CMD_DEL_WIPHY: Wiphy deleted. Has attributes
+ *	%NL80211_ATTR_WIPHY and %NL80211_ATTR_WIPHY_NAME.
+ *
+ * @NL80211_CMD_GET_INTERFACE: Request an interface's configuration;
+ *	either a dump request on a %NL80211_ATTR_WIPHY or a specific get
+ *	on an %NL80211_ATTR_IFINDEX is supported.
+ * @NL80211_CMD_SET_INTERFACE: Set type of a virtual interface, requires
+ *	%NL80211_ATTR_IFINDEX and %NL80211_ATTR_IFTYPE.
+ * @NL80211_CMD_NEW_INTERFACE: Newly created virtual interface or response
+ *	to %NL80211_CMD_GET_INTERFACE. Has %NL80211_ATTR_IFINDEX,
+ *	%NL80211_ATTR_WIPHY and %NL80211_ATTR_IFTYPE attributes. Can also
+ *	be sent from userspace to request creation of a new virtual interface,
+ *	then requires attributes %NL80211_ATTR_WIPHY, %NL80211_ATTR_IFTYPE and
+ *	%NL80211_ATTR_IFNAME.
+ * @NL80211_CMD_DEL_INTERFACE: Virtual interface was deleted, has attributes
+ *	%NL80211_ATTR_IFINDEX and %NL80211_ATTR_WIPHY. Can also be sent from
+ *	userspace to request deletion of a virtual interface, then requires
+ *	attribute %NL80211_ATTR_IFINDEX.
+ *
+ * @NL80211_CMD_GET_KEY: Get sequence counter information for a key specified
+ *	by %NL80211_ATTR_KEY_IDX and/or %NL80211_ATTR_MAC.
+ * @NL80211_CMD_SET_KEY: Set key attributes %NL80211_ATTR_KEY_DEFAULT,
+ *	%NL80211_ATTR_KEY_DEFAULT_MGMT, or %NL80211_ATTR_KEY_THRESHOLD.
+ * @NL80211_CMD_NEW_KEY: add a key with given %NL80211_ATTR_KEY_DATA,
+ *	%NL80211_ATTR_KEY_IDX, %NL80211_ATTR_MAC, %NL80211_ATTR_KEY_CIPHER,
+ *	and %NL80211_ATTR_KEY_SEQ attributes.
+ * @NL80211_CMD_DEL_KEY: delete a key identified by %NL80211_ATTR_KEY_IDX
+ *	or %NL80211_ATTR_MAC.
+ *
+ * @NL80211_CMD_GET_BEACON: retrieve beacon information (returned in a
+ *	%NL80222_CMD_NEW_BEACON message)
+ * @NL80211_CMD_SET_BEACON: set the beacon on an access point interface
+ *	using the %NL80211_ATTR_BEACON_INTERVAL, %NL80211_ATTR_DTIM_PERIOD,
+ *	%NL80211_ATTR_BEACON_HEAD and %NL80211_ATTR_BEACON_TAIL attributes.
+ * @NL80211_CMD_NEW_BEACON: add a new beacon to an access point interface,
+ *	parameters are like for %NL80211_CMD_SET_BEACON.
+ * @NL80211_CMD_DEL_BEACON: remove the beacon, stop sending it
+ *
+ * @NL80211_CMD_GET_STATION: Get station attributes for station identified by
+ *	%NL80211_ATTR_MAC on the interface identified by %NL80211_ATTR_IFINDEX.
+ * @NL80211_CMD_SET_STATION: Set station attributes for station identified by
+ *	%NL80211_ATTR_MAC on the interface identified by %NL80211_ATTR_IFINDEX.
+ * @NL80211_CMD_NEW_STATION: Add a station with given attributes to the
+ *	the interface identified by %NL80211_ATTR_IFINDEX.
+ * @NL80211_CMD_DEL_STATION: Remove a station identified by %NL80211_ATTR_MAC
+ *	or, if no MAC address given, all stations, on the interface identified
+ *	by %NL80211_ATTR_IFINDEX.
+ *
+ * @NL80211_CMD_GET_MPATH: Get mesh path attributes for mesh path to
+ * 	destination %NL80211_ATTR_MAC on the interface identified by
+ * 	%NL80211_ATTR_IFINDEX.
+ * @NL80211_CMD_SET_MPATH:  Set mesh path attributes for mesh path to
+ * 	destination %NL80211_ATTR_MAC on the interface identified by
+ * 	%NL80211_ATTR_IFINDEX.
+ * @NL80211_CMD_NEW_PATH: Add a mesh path with given attributes to the
+ *	the interface identified by %NL80211_ATTR_IFINDEX.
+ * @NL80211_CMD_DEL_PATH: Remove a mesh path identified by %NL80211_ATTR_MAC
+ *	or, if no MAC address given, all mesh paths, on the interface identified
+ *	by %NL80211_ATTR_IFINDEX.
+ * @NL80211_CMD_SET_BSS: Set BSS attributes for BSS identified by
+ *	%NL80211_ATTR_IFINDEX.
+ *
+ * @NL80211_CMD_GET_REG: ask the wireless core to send us its currently set
+ * 	regulatory domain.
+ * @NL80211_CMD_SET_REG: Set current regulatory domain. CRDA sends this command
+ *	after being queried by the kernel. CRDA replies by sending a regulatory
+ *	domain structure which consists of %NL80211_ATTR_REG_ALPHA set to our
+ *	current alpha2 if it found a match. It also provides
+ * 	NL80211_ATTR_REG_RULE_FLAGS, and a set of regulatory rules. Each
+ * 	regulatory rule is a nested set of attributes  given by
+ * 	%NL80211_ATTR_REG_RULE_FREQ_[START|END] and
+ * 	%NL80211_ATTR_FREQ_RANGE_MAX_BW with an attached power rule given by
+ * 	%NL80211_ATTR_REG_RULE_POWER_MAX_ANT_GAIN and
+ * 	%NL80211_ATTR_REG_RULE_POWER_MAX_EIRP.
+ * @NL80211_CMD_REQ_SET_REG: ask the wireless core to set the regulatory domain
+ * 	to the specified ISO/IEC 3166-1 alpha2 country code. The core will
+ * 	store this as a valid request and then query userspace for it.
+ *
+ * @NL80211_CMD_GET_MESH_PARAMS: Get mesh networking properties for the
+ *	interface identified by %NL80211_ATTR_IFINDEX
+ *
+ * @NL80211_CMD_SET_MESH_PARAMS: Set mesh networking properties for the
+ *      interface identified by %NL80211_ATTR_IFINDEX
+ *
+ * @NL80211_CMD_SET_MGMT_EXTRA_IE: Set extra IEs for management frames. The
+ *	interface is identified with %NL80211_ATTR_IFINDEX and the management
+ *	frame subtype with %NL80211_ATTR_MGMT_SUBTYPE. The extra IE data to be
+ *	added to the end of the specified management frame is specified with
+ *	%NL80211_ATTR_IE. If the command succeeds, the requested data will be
+ *	added to all specified management frames generated by
+ *	kernel/firmware/driver.
+ *	Note: This command has been removed and it is only reserved at this
+ *	point to avoid re-using existing command number. The functionality this
+ *	command was planned for has been provided with cleaner design with the
+ *	option to specify additional IEs in NL80211_CMD_TRIGGER_SCAN,
+ *	NL80211_CMD_AUTHENTICATE, NL80211_CMD_ASSOCIATE,
+ *	NL80211_CMD_DEAUTHENTICATE, and NL80211_CMD_DISASSOCIATE.
+ *
+ * @NL80211_CMD_GET_SCAN: get scan results
+ * @NL80211_CMD_TRIGGER_SCAN: trigger a new scan with the given parameters
+ * @NL80211_CMD_NEW_SCAN_RESULTS: scan notification (as a reply to
+ *	NL80211_CMD_GET_SCAN and on the "scan" multicast group)
+ * @NL80211_CMD_SCAN_ABORTED: scan was aborted, for unspecified reasons,
+ *	partial scan results may be available
+ *
+ * @NL80211_CMD_GET_SURVEY: get survey resuls, e.g. channel occupation
+ *      or noise level
+ * @NL80211_CMD_NEW_SURVEY_RESULTS: survey data notification (as a reply to
+ *	NL80211_CMD_GET_SURVEY and on the "scan" multicast group)
+ *
+ * @NL80211_CMD_REG_CHANGE: indicates to userspace the regulatory domain
+ * 	has been changed and provides details of the request information
+ * 	that caused the change such as who initiated the regulatory request
+ * 	(%NL80211_ATTR_REG_INITIATOR), the wiphy_idx
+ * 	(%NL80211_ATTR_REG_ALPHA2) on which the request was made from if
+ * 	the initiator was %NL80211_REGDOM_SET_BY_COUNTRY_IE or
+ * 	%NL80211_REGDOM_SET_BY_DRIVER, the type of regulatory domain
+ * 	set (%NL80211_ATTR_REG_TYPE), if the type of regulatory domain is
+ * 	%NL80211_REG_TYPE_COUNTRY the alpha2 to which we have moved on
+ * 	to (%NL80211_ATTR_REG_ALPHA2).
+ * @NL80211_CMD_REG_BEACON_HINT: indicates to userspace that an AP beacon
+ * 	has been found while world roaming thus enabling active scan or
+ * 	any mode of operation that initiates TX (beacons) on a channel
+ * 	where we would not have been able to do either before. As an example
+ * 	if you are world roaming (regulatory domain set to world or if your
+ * 	driver is using a custom world roaming regulatory domain) and while
+ * 	doing a passive scan on the 5 GHz band you find an AP there (if not
+ * 	on a DFS channel) you will now be able to actively scan for that AP
+ * 	or use AP mode on your card on that same channel. Note that this will
+ * 	never be used for channels 1-11 on the 2 GHz band as they are always
+ * 	enabled world wide. This beacon hint is only sent if your device had
+ * 	either disabled active scanning or beaconing on a channel. We send to
+ * 	userspace the wiphy on which we removed a restriction from
+ * 	(%NL80211_ATTR_WIPHY) and the channel on which this occurred
+ * 	before (%NL80211_ATTR_FREQ_BEFORE) and after (%NL80211_ATTR_FREQ_AFTER)
+ * 	the beacon hint was processed.
+ *
+ * @NL80211_CMD_AUTHENTICATE: authentication request and notification.
+ *	This command is used both as a command (request to authenticate) and
+ *	as an event on the "mlme" multicast group indicating completion of the
+ *	authentication process.
+ *	When used as a command, %NL80211_ATTR_IFINDEX is used to identify the
+ *	interface. %NL80211_ATTR_MAC is used to specify PeerSTAAddress (and
+ *	BSSID in case of station mode). %NL80211_ATTR_SSID is used to specify
+ *	the SSID (mainly for association, but is included in authentication
+ *	request, too, to help BSS selection. %NL80211_ATTR_WIPHY_FREQ is used
+ *	to specify the frequence of the channel in MHz. %NL80211_ATTR_AUTH_TYPE
+ *	is used to specify the authentication type. %NL80211_ATTR_IE is used to
+ *	define IEs (VendorSpecificInfo, but also including RSN IE and FT IEs)
+ *	to be added to the frame.
+ *	When used as an event, this reports reception of an Authentication
+ *	frame in station and IBSS modes when the local MLME processed the
+ *	frame, i.e., it was for the local STA and was received in correct
+ *	state. This is similar to MLME-AUTHENTICATE.confirm primitive in the
+ *	MLME SAP interface (kernel providing MLME, userspace SME). The
+ *	included %NL80211_ATTR_FRAME attribute contains the management frame
+ *	(including both the header and frame body, but not FCS). This event is
+ *	also used to indicate if the authentication attempt timed out. In that
+ *	case the %NL80211_ATTR_FRAME attribute is replaced with a
+ *	%NL80211_ATTR_TIMED_OUT flag (and %NL80211_ATTR_MAC to indicate which
+ *	pending authentication timed out).
+ * @NL80211_CMD_ASSOCIATE: association request and notification; like
+ *	NL80211_CMD_AUTHENTICATE but for Association and Reassociation
+ *	(similar to MLME-ASSOCIATE.request, MLME-REASSOCIATE.request,
+ *	MLME-ASSOCIATE.confirm or MLME-REASSOCIATE.confirm primitives).
+ * @NL80211_CMD_DEAUTHENTICATE: deauthentication request and notification; like
+ *	NL80211_CMD_AUTHENTICATE but for Deauthentication frames (similar to
+ *	MLME-DEAUTHENTICATION.request and MLME-DEAUTHENTICATE.indication
+ *	primitives).
+ * @NL80211_CMD_DISASSOCIATE: disassociation request and notification; like
+ *	NL80211_CMD_AUTHENTICATE but for Disassociation frames (similar to
+ *	MLME-DISASSOCIATE.request and MLME-DISASSOCIATE.indication primitives).
+ *
+ * @NL80211_CMD_MICHAEL_MIC_FAILURE: notification of a locally detected Michael
+ *	MIC (part of TKIP) failure; sent on the "mlme" multicast group; the
+ *	event includes %NL80211_ATTR_MAC to describe the source MAC address of
+ *	the frame with invalid MIC, %NL80211_ATTR_KEY_TYPE to show the key
+ *	type, %NL80211_ATTR_KEY_IDX to indicate the key identifier, and
+ *	%NL80211_ATTR_KEY_SEQ to indicate the TSC value of the frame; this
+ *	event matches with MLME-MICHAELMICFAILURE.indication() primitive
+ *
+ * @NL80211_CMD_JOIN_IBSS: Join a new IBSS -- given at least an SSID and a
+ *	FREQ attribute (for the initial frequency if no peer can be found)
+ *	and optionally a MAC (as BSSID) and FREQ_FIXED attribute if those
+ *	should be fixed rather than automatically determined. Can only be
+ *	executed on a network interface that is UP, and fixed BSSID/FREQ
+ *	may be rejected. Another optional parameter is the beacon interval,
+ *	given in the %NL80211_ATTR_BEACON_INTERVAL attribute, which if not
+ *	given defaults to 100 TU (102.4ms).
+ * @NL80211_CMD_LEAVE_IBSS: Leave the IBSS -- no special arguments, the IBSS is
+ *	determined by the network interface.
+ *
+ * @NL80211_CMD_TESTMODE: testmode command, takes a wiphy (or ifindex) attribute
+ *	to identify the device, and the TESTDATA blob attribute to pass through
+ *	to the driver.
+ *
+ * @NL80211_CMD_CONNECT: connection request and notification; this command
+ *	requests to connect to a specified network but without separating
+ *	auth and assoc steps. For this, you need to specify the SSID in a
+ *	%NL80211_ATTR_SSID attribute, and can optionally specify the association
+ *	IEs in %NL80211_ATTR_IE, %NL80211_ATTR_AUTH_TYPE, %NL80211_ATTR_MAC,
+ *	%NL80211_ATTR_WIPHY_FREQ, %NL80211_ATTR_CONTROL_PORT,
+ *	%NL80211_ATTR_CONTROL_PORT_ETHERTYPE and
+ *	%NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT.
+ *	It is also sent as an event, with the BSSID and response IEs when the
+ *	connection is established or failed to be established. This can be
+ *	determined by the STATUS_CODE attribute.
+ * @NL80211_CMD_ROAM: request that the card roam (currently not implemented),
+ *	sent as an event when the card/driver roamed by itself.
+ * @NL80211_CMD_DISCONNECT: drop a given connection; also used to notify
+ *	userspace that a connection was dropped by the AP or due to other
+ *	reasons, for this the %NL80211_ATTR_DISCONNECTED_BY_AP and
+ *	%NL80211_ATTR_REASON_CODE attributes are used.
+ *
+ * @NL80211_CMD_SET_WIPHY_NETNS: Set a wiphy's netns. Note that all devices
+ *	associated with this wiphy must be down and will follow.
+ *
+ * @NL80211_CMD_REMAIN_ON_CHANNEL: Request to remain awake on the specified
+ *	channel for the specified amount of time. This can be used to do
+ *	off-channel operations like transmit a Public Action frame and wait for
+ *	a response while being associated to an AP on another channel.
+ *	%NL80211_ATTR_IFINDEX is used to specify which interface (and thus
+ *	radio) is used. %NL80211_ATTR_WIPHY_FREQ is used to specify the
+ *	frequency for the operation and %NL80211_ATTR_WIPHY_CHANNEL_TYPE may be
+ *	optionally used to specify additional channel parameters.
+ *	%NL80211_ATTR_DURATION is used to specify the duration in milliseconds
+ *	to remain on the channel. This command is also used as an event to
+ *	notify when the requested duration starts (it may take a while for the
+ *	driver to schedule this time due to other concurrent needs for the
+ *	radio).
+ *	When called, this operation returns a cookie (%NL80211_ATTR_COOKIE)
+ *	that will be included with any events pertaining to this request;
+ *	the cookie is also used to cancel the request.
+ * @NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL: This command can be used to cancel a
+ *	pending remain-on-channel duration if the desired operation has been
+ *	completed prior to expiration of the originally requested duration.
+ *	%NL80211_ATTR_WIPHY or %NL80211_ATTR_IFINDEX is used to specify the
+ *	radio. The %NL80211_ATTR_COOKIE attribute must be given as well to
+ *	uniquely identify the request.
+ *	This command is also used as an event to notify when a requested
+ *	remain-on-channel duration has expired.
+ *
+ * @NL80211_CMD_SET_TX_BITRATE_MASK: Set the mask of rates to be used in TX
+ *	rate selection. %NL80211_ATTR_IFINDEX is used to specify the interface
+ *	and @NL80211_ATTR_TX_RATES the set of allowed rates.
+ *
+ * @NL80211_CMD_REGISTER_FRAME: Register for receiving certain mgmt frames
+ *	(via @NL80211_CMD_FRAME) for processing in userspace. This command
+ *	requires an interface index, a frame type attribute (optional for
+ *	backward compatibility reasons, if not given assumes action frames)
+ *	and a match attribute containing the first few bytes of the frame
+ *	that should match, e.g. a single byte for only a category match or
+ *	four bytes for vendor frames including the OUI. The registration
+ *	cannot be dropped, but is removed automatically when the netlink
+ *	socket is closed. Multiple registrations can be made.
+ * @NL80211_CMD_REGISTER_ACTION: Alias for @NL80211_CMD_REGISTER_FRAME for
+ *	backward compatibility
+ * @NL80211_CMD_FRAME: Management frame TX request and RX notification. This
+ *	command is used both as a request to transmit a management frame and
+ *	as an event indicating reception of a frame that was not processed in
+ *	kernel code, but is for us (i.e., which may need to be processed in a
+ *	user space application). %NL80211_ATTR_FRAME is used to specify the
+ *	frame contents (including header). %NL80211_ATTR_WIPHY_FREQ (and
+ *	optionally %NL80211_ATTR_WIPHY_CHANNEL_TYPE) is used to indicate on
+ *	which channel the frame is to be transmitted or was received. If this
+ *	channel is not the current channel (remain-on-channel or the
+ *	operational channel) the device will switch to the given channel and
+ *	transmit the frame, optionally waiting for a response for the time
+ *	specified using %NL80211_ATTR_DURATION. When called, this operation
+ *	returns a cookie (%NL80211_ATTR_COOKIE) that will be included with the
+ *	TX status event pertaining to the TX request.
+ * @NL80211_CMD_FRAME_WAIT_CANCEL: When an off-channel TX was requested, this
+ *	command may be used with the corresponding cookie to cancel the wait
+ *	time if it is known that it is no longer necessary.
+ * @NL80211_CMD_ACTION: Alias for @NL80211_CMD_FRAME for backward compatibility.
+ * @NL80211_CMD_FRAME_TX_STATUS: Report TX status of a management frame
+ *	transmitted with %NL80211_CMD_FRAME. %NL80211_ATTR_COOKIE identifies
+ *	the TX command and %NL80211_ATTR_FRAME includes the contents of the
+ *	frame. %NL80211_ATTR_ACK flag is included if the recipient acknowledged
+ *	the frame.
+ * @NL80211_CMD_ACTION_TX_STATUS: Alias for @NL80211_CMD_FRAME_TX_STATUS for
+ *	backward compatibility.
+ * @NL80211_CMD_SET_CQM: Connection quality monitor configuration. This command
+ *	is used to configure connection quality monitoring notification trigger
+ *	levels.
+ * @NL80211_CMD_NOTIFY_CQM: Connection quality monitor notification. This
+ *	command is used as an event to indicate the that a trigger level was
+ *	reached.
+ * @NL80211_CMD_SET_CHANNEL: Set the channel (using %NL80211_ATTR_WIPHY_FREQ
+ *	and %NL80211_ATTR_WIPHY_CHANNEL_TYPE) the given interface (identifed
+ *	by %NL80211_ATTR_IFINDEX) shall operate on.
+ *	In case multiple channels are supported by the device, the mechanism
+ *	with which it switches channels is implementation-defined.
+ *	When a monitor interface is given, it can only switch channel while
+ *	no other interfaces are operating to avoid disturbing the operation
+ *	of any other interfaces, and other interfaces will again take
+ *	precedence when they are used.
+ *
+ * @NL80211_CMD_SET_WDS_PEER: Set the MAC address of the peer on a WDS interface.
+ *
+ * @NL80211_CMD_JOIN_MESH: Join a mesh. The mesh ID must be given, and initial
+ *	mesh config parameters may be given.
+ * @NL80211_CMD_LEAVE_MESH: Leave the mesh network -- no special arguments, the
+ *	network is determined by the network interface.
+ *
+ * @NL80211_CMD_UNPROT_DEAUTHENTICATE: Unprotected deauthentication frame
+ *	notification. This event is used to indicate that an unprotected
+ *	deauthentication frame was dropped when MFP is in use.
+ * @NL80211_CMD_UNPROT_DISASSOCIATE: Unprotected disassociation frame
+ *	notification. This event is used to indicate that an unprotected
+ *	disassociation frame was dropped when MFP is in use.
+ *
+ * @NL80211_CMD_MAX: highest used command number
+ * @__NL80211_CMD_AFTER_LAST: internal use
+ */
+enum nl80211_commands {
+/* don't change the order or add anything inbetween, this is ABI! */
+	NL80211_CMD_UNSPEC,
+
+	NL80211_CMD_GET_WIPHY,		/* can dump */
+	NL80211_CMD_SET_WIPHY,
+	NL80211_CMD_NEW_WIPHY,
+	NL80211_CMD_DEL_WIPHY,
+
+	NL80211_CMD_GET_INTERFACE,	/* can dump */
+	NL80211_CMD_SET_INTERFACE,
+	NL80211_CMD_NEW_INTERFACE,
+	NL80211_CMD_DEL_INTERFACE,
+
+	NL80211_CMD_GET_KEY,
+	NL80211_CMD_SET_KEY,
+	NL80211_CMD_NEW_KEY,
+	NL80211_CMD_DEL_KEY,
+
+	NL80211_CMD_GET_BEACON,
+	NL80211_CMD_SET_BEACON,
+	NL80211_CMD_NEW_BEACON,
+	NL80211_CMD_DEL_BEACON,
+
+	NL80211_CMD_GET_STATION,
+	NL80211_CMD_SET_STATION,
+	NL80211_CMD_NEW_STATION,
+	NL80211_CMD_DEL_STATION,
+
+	NL80211_CMD_GET_MPATH,
+	NL80211_CMD_SET_MPATH,
+	NL80211_CMD_NEW_MPATH,
+	NL80211_CMD_DEL_MPATH,
+
+	NL80211_CMD_SET_BSS,
+
+	NL80211_CMD_SET_REG,
+	NL80211_CMD_REQ_SET_REG,
+
+	NL80211_CMD_GET_MESH_PARAMS,
+	NL80211_CMD_SET_MESH_PARAMS,
+
+	NL80211_CMD_SET_MGMT_EXTRA_IE /* reserved; not used */,
+
+	NL80211_CMD_GET_REG,
+
+	NL80211_CMD_GET_SCAN,
+	NL80211_CMD_TRIGGER_SCAN,
+	NL80211_CMD_NEW_SCAN_RESULTS,
+	NL80211_CMD_SCAN_ABORTED,
+
+	NL80211_CMD_REG_CHANGE,
+
+	NL80211_CMD_AUTHENTICATE,
+	NL80211_CMD_ASSOCIATE,
+	NL80211_CMD_DEAUTHENTICATE,
+	NL80211_CMD_DISASSOCIATE,
+
+	NL80211_CMD_MICHAEL_MIC_FAILURE,
+
+	NL80211_CMD_REG_BEACON_HINT,
+
+	NL80211_CMD_JOIN_IBSS,
+	NL80211_CMD_LEAVE_IBSS,
+
+	NL80211_CMD_TESTMODE,
+
+	NL80211_CMD_CONNECT,
+	NL80211_CMD_ROAM,
+	NL80211_CMD_DISCONNECT,
+
+	NL80211_CMD_SET_WIPHY_NETNS,
+
+	NL80211_CMD_GET_SURVEY,
+	NL80211_CMD_NEW_SURVEY_RESULTS,
+
+	NL80211_CMD_SET_PMKSA,
+	NL80211_CMD_DEL_PMKSA,
+	NL80211_CMD_FLUSH_PMKSA,
+
+	NL80211_CMD_REMAIN_ON_CHANNEL,
+	NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
+
+	NL80211_CMD_SET_TX_BITRATE_MASK,
+
+	NL80211_CMD_REGISTER_FRAME,
+	NL80211_CMD_REGISTER_ACTION = NL80211_CMD_REGISTER_FRAME,
+	NL80211_CMD_FRAME,
+	NL80211_CMD_ACTION = NL80211_CMD_FRAME,
+	NL80211_CMD_FRAME_TX_STATUS,
+	NL80211_CMD_ACTION_TX_STATUS = NL80211_CMD_FRAME_TX_STATUS,
+
+	NL80211_CMD_SET_POWER_SAVE,
+	NL80211_CMD_GET_POWER_SAVE,
+
+	NL80211_CMD_SET_CQM,
+	NL80211_CMD_NOTIFY_CQM,
+
+	NL80211_CMD_SET_CHANNEL,
+	NL80211_CMD_SET_WDS_PEER,
+
+	NL80211_CMD_FRAME_WAIT_CANCEL,
+
+	NL80211_CMD_JOIN_MESH,
+	NL80211_CMD_LEAVE_MESH,
+
+	NL80211_CMD_UNPROT_DEAUTHENTICATE,
+	NL80211_CMD_UNPROT_DISASSOCIATE,
+
+	/* add new commands above here */
+
+	/* used to define NL80211_CMD_MAX below */
+	__NL80211_CMD_AFTER_LAST,
+	NL80211_CMD_MAX = __NL80211_CMD_AFTER_LAST - 1
+};
+
+/*
+ * Allow user space programs to use #ifdef on new commands by defining them
+ * here
+ */
+#define NL80211_CMD_SET_BSS NL80211_CMD_SET_BSS
+#define NL80211_CMD_SET_MGMT_EXTRA_IE NL80211_CMD_SET_MGMT_EXTRA_IE
+#define NL80211_CMD_REG_CHANGE NL80211_CMD_REG_CHANGE
+#define NL80211_CMD_AUTHENTICATE NL80211_CMD_AUTHENTICATE
+#define NL80211_CMD_ASSOCIATE NL80211_CMD_ASSOCIATE
+#define NL80211_CMD_DEAUTHENTICATE NL80211_CMD_DEAUTHENTICATE
+#define NL80211_CMD_DISASSOCIATE NL80211_CMD_DISASSOCIATE
+#define NL80211_CMD_REG_BEACON_HINT NL80211_CMD_REG_BEACON_HINT
+
+/**
+ * enum nl80211_attrs - nl80211 netlink attributes
+ *
+ * @NL80211_ATTR_UNSPEC: unspecified attribute to catch errors
+ *
+ * @NL80211_ATTR_WIPHY: index of wiphy to operate on, cf.
+ *	/sys/class/ieee80211/<phyname>/index
+ * @NL80211_ATTR_WIPHY_NAME: wiphy name (used for renaming)
+ * @NL80211_ATTR_WIPHY_TXQ_PARAMS: a nested array of TX queue parameters
+ * @NL80211_ATTR_WIPHY_FREQ: frequency of the selected channel in MHz
+ * @NL80211_ATTR_WIPHY_CHANNEL_TYPE: included with NL80211_ATTR_WIPHY_FREQ
+ *	if HT20 or HT40 are allowed (i.e., 802.11n disabled if not included):
+ *	NL80211_CHAN_NO_HT = HT not allowed (i.e., same as not including
+ *		this attribute)
+ *	NL80211_CHAN_HT20 = HT20 only
+ *	NL80211_CHAN_HT40MINUS = secondary channel is below the primary channel
+ *	NL80211_CHAN_HT40PLUS = secondary channel is above the primary channel
+ * @NL80211_ATTR_WIPHY_RETRY_SHORT: TX retry limit for frames whose length is
+ *	less than or equal to the RTS threshold; allowed range: 1..255;
+ *	dot11ShortRetryLimit; u8
+ * @NL80211_ATTR_WIPHY_RETRY_LONG: TX retry limit for frames whose length is
+ *	greater than the RTS threshold; allowed range: 1..255;
+ *	dot11ShortLongLimit; u8
+ * @NL80211_ATTR_WIPHY_FRAG_THRESHOLD: fragmentation threshold, i.e., maximum
+ *	length in octets for frames; allowed range: 256..8000, disable
+ *	fragmentation with (u32)-1; dot11FragmentationThreshold; u32
+ * @NL80211_ATTR_WIPHY_RTS_THRESHOLD: RTS threshold (TX frames with length
+ *	larger than or equal to this use RTS/CTS handshake); allowed range:
+ *	0..65536, disable with (u32)-1; dot11RTSThreshold; u32
+ * @NL80211_ATTR_WIPHY_COVERAGE_CLASS: Coverage Class as defined by IEEE 802.11
+ *	section 7.3.2.9; dot11CoverageClass; u8
+ *
+ * @NL80211_ATTR_IFINDEX: network interface index of the device to operate on
+ * @NL80211_ATTR_IFNAME: network interface name
+ * @NL80211_ATTR_IFTYPE: type of virtual interface, see &enum nl80211_iftype
+ *
+ * @NL80211_ATTR_MAC: MAC address (various uses)
+ *
+ * @NL80211_ATTR_KEY_DATA: (temporal) key data; for TKIP this consists of
+ *	16 bytes encryption key followed by 8 bytes each for TX and RX MIC
+ *	keys
+ * @NL80211_ATTR_KEY_IDX: key ID (u8, 0-3)
+ * @NL80211_ATTR_KEY_CIPHER: key cipher suite (u32, as defined by IEEE 802.11
+ *	section 7.3.2.25.1, e.g. 0x000FAC04)
+ * @NL80211_ATTR_KEY_SEQ: transmit key sequence number (IV/PN) for TKIP and
+ *	CCMP keys, each six bytes in little endian
+ *
+ * @NL80211_ATTR_BEACON_INTERVAL: beacon interval in TU
+ * @NL80211_ATTR_DTIM_PERIOD: DTIM period for beaconing
+ * @NL80211_ATTR_BEACON_HEAD: portion of the beacon before the TIM IE
+ * @NL80211_ATTR_BEACON_TAIL: portion of the beacon after the TIM IE
+ *
+ * @NL80211_ATTR_STA_AID: Association ID for the station (u16)
+ * @NL80211_ATTR_STA_FLAGS: flags, nested element with NLA_FLAG attributes of
+ *	&enum nl80211_sta_flags (deprecated, use %NL80211_ATTR_STA_FLAGS2)
+ * @NL80211_ATTR_STA_LISTEN_INTERVAL: listen interval as defined by
+ *	IEEE 802.11 7.3.1.6 (u16).
+ * @NL80211_ATTR_STA_SUPPORTED_RATES: supported rates, array of supported
+ *	rates as defined by IEEE 802.11 7.3.2.2 but without the length
+ *	restriction (at most %NL80211_MAX_SUPP_RATES).
+ * @NL80211_ATTR_STA_VLAN: interface index of VLAN interface to move station
+ *	to, or the AP interface the station was originally added to to.
+ * @NL80211_ATTR_STA_INFO: information about a station, part of station info
+ *	given for %NL80211_CMD_GET_STATION, nested attribute containing
+ *	info as possible, see &enum nl80211_sta_info.
+ *
+ * @NL80211_ATTR_WIPHY_BANDS: Information about an operating bands,
+ *	consisting of a nested array.
+ *
+ * @NL80211_ATTR_MESH_ID: mesh id (1-32 bytes).
+ * @NL80211_ATTR_PLINK_ACTION: action to perform on the mesh peer link.
+ * @NL80211_ATTR_MPATH_NEXT_HOP: MAC address of the next hop for a mesh path.
+ * @NL80211_ATTR_MPATH_INFO: information about a mesh_path, part of mesh path
+ * 	info given for %NL80211_CMD_GET_MPATH, nested attribute described at
+ *	&enum nl80211_mpath_info.
+ *
+ * @NL80211_ATTR_MNTR_FLAGS: flags, nested element with NLA_FLAG attributes of
+ *      &enum nl80211_mntr_flags.
+ *
+ * @NL80211_ATTR_REG_ALPHA2: an ISO-3166-alpha2 country code for which the
+ * 	current regulatory domain should be set to or is already set to.
+ * 	For example, 'CR', for Costa Rica. This attribute is used by the kernel
+ * 	to query the CRDA to retrieve one regulatory domain. This attribute can
+ * 	also be used by userspace to query the kernel for the currently set
+ * 	regulatory domain. We chose an alpha2 as that is also used by the
+ * 	IEEE-802.11d country information element to identify a country.
+ * 	Users can also simply ask the wireless core to set regulatory domain
+ * 	to a specific alpha2.
+ * @NL80211_ATTR_REG_RULES: a nested array of regulatory domain regulatory
+ *	rules.
+ *
+ * @NL80211_ATTR_BSS_CTS_PROT: whether CTS protection is enabled (u8, 0 or 1)
+ * @NL80211_ATTR_BSS_SHORT_PREAMBLE: whether short preamble is enabled
+ *	(u8, 0 or 1)
+ * @NL80211_ATTR_BSS_SHORT_SLOT_TIME: whether short slot time enabled
+ *	(u8, 0 or 1)
+ * @NL80211_ATTR_BSS_BASIC_RATES: basic rates, array of basic
+ *	rates in format defined by IEEE 802.11 7.3.2.2 but without the length
+ *	restriction (at most %NL80211_MAX_SUPP_RATES).
+ *
+ * @NL80211_ATTR_HT_CAPABILITY: HT Capability information element (from
+ *	association request when used with NL80211_CMD_NEW_STATION)
+ *
+ * @NL80211_ATTR_SUPPORTED_IFTYPES: nested attribute containing all
+ *	supported interface types, each a flag attribute with the number
+ *	of the interface mode.
+ *
+ * @NL80211_ATTR_MGMT_SUBTYPE: Management frame subtype for
+ *	%NL80211_CMD_SET_MGMT_EXTRA_IE.
+ *
+ * @NL80211_ATTR_IE: Information element(s) data (used, e.g., with
+ *	%NL80211_CMD_SET_MGMT_EXTRA_IE).
+ *
+ * @NL80211_ATTR_MAX_NUM_SCAN_SSIDS: number of SSIDs you can scan with
+ *	a single scan request, a wiphy attribute.
+ * @NL80211_ATTR_MAX_SCAN_IE_LEN: maximum length of information elements
+ *	that can be added to a scan request
+ *
+ * @NL80211_ATTR_SCAN_FREQUENCIES: nested attribute with frequencies (in MHz)
+ * @NL80211_ATTR_SCAN_SSIDS: nested attribute with SSIDs, leave out for passive
+ *	scanning and include a zero-length SSID (wildcard) for wildcard scan
+ * @NL80211_ATTR_BSS: scan result BSS
+ *
+ * @NL80211_ATTR_REG_INITIATOR: indicates who requested the regulatory domain
+ * 	currently in effect. This could be any of the %NL80211_REGDOM_SET_BY_*
+ * @NL80211_ATTR_REG_TYPE: indicates the type of the regulatory domain currently
+ * 	set. This can be one of the nl80211_reg_type (%NL80211_REGDOM_TYPE_*)
+ *
+ * @NL80211_ATTR_SUPPORTED_COMMANDS: wiphy attribute that specifies
+ *	an array of command numbers (i.e. a mapping index to command number)
+ *	that the driver for the given wiphy supports.
+ *
+ * @NL80211_ATTR_FRAME: frame data (binary attribute), including frame header
+ *	and body, but not FCS; used, e.g., with NL80211_CMD_AUTHENTICATE and
+ *	NL80211_CMD_ASSOCIATE events
+ * @NL80211_ATTR_SSID: SSID (binary attribute, 0..32 octets)
+ * @NL80211_ATTR_AUTH_TYPE: AuthenticationType, see &enum nl80211_auth_type,
+ *	represented as a u32
+ * @NL80211_ATTR_REASON_CODE: ReasonCode for %NL80211_CMD_DEAUTHENTICATE and
+ *	%NL80211_CMD_DISASSOCIATE, u16
+ *
+ * @NL80211_ATTR_KEY_TYPE: Key Type, see &enum nl80211_key_type, represented as
+ *	a u32
+ *
+ * @NL80211_ATTR_FREQ_BEFORE: A channel which has suffered a regulatory change
+ * 	due to considerations from a beacon hint. This attribute reflects
+ * 	the state of the channel _before_ the beacon hint processing. This
+ * 	attributes consists of a nested attribute containing
+ * 	NL80211_FREQUENCY_ATTR_*
+ * @NL80211_ATTR_FREQ_AFTER: A channel which has suffered a regulatory change
+ * 	due to considerations from a beacon hint. This attribute reflects
+ * 	the state of the channel _after_ the beacon hint processing. This
+ * 	attributes consists of a nested attribute containing
+ * 	NL80211_FREQUENCY_ATTR_*
+ *
+ * @NL80211_ATTR_CIPHER_SUITES: a set of u32 values indicating the supported
+ *	cipher suites
+ *
+ * @NL80211_ATTR_FREQ_FIXED: a flag indicating the IBSS should not try to look
+ *	for other networks on different channels
+ *
+ * @NL80211_ATTR_TIMED_OUT: a flag indicating than an operation timed out; this
+ *	is used, e.g., with %NL80211_CMD_AUTHENTICATE event
+ *
+ * @NL80211_ATTR_USE_MFP: Whether management frame protection (IEEE 802.11w) is
+ *	used for the association (&enum nl80211_mfp, represented as a u32);
+ *	this attribute can be used
+ *	with %NL80211_CMD_ASSOCIATE request
+ *
+ * @NL80211_ATTR_STA_FLAGS2: Attribute containing a
+ *	&struct nl80211_sta_flag_update.
+ *
+ * @NL80211_ATTR_CONTROL_PORT: A flag indicating whether user space controls
+ *	IEEE 802.1X port, i.e., sets/clears %NL80211_STA_FLAG_AUTHORIZED, in
+ *	station mode. If the flag is included in %NL80211_CMD_ASSOCIATE
+ *	request, the driver will assume that the port is unauthorized until
+ *	authorized by user space. Otherwise, port is marked authorized by
+ *	default in station mode.
+ * @NL80211_ATTR_CONTROL_PORT_ETHERTYPE: A 16-bit value indicating the
+ *	ethertype that will be used for key negotiation. It can be
+ *	specified with the associate and connect commands. If it is not
+ *	specified, the value defaults to 0x888E (PAE, 802.1X). This
+ *	attribute is also used as a flag in the wiphy information to
+ *	indicate that protocols other than PAE are supported.
+ * @NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT: When included along with
+ *	%NL80211_ATTR_CONTROL_PORT_ETHERTYPE, indicates that the custom
+ *	ethertype frames used for key negotiation must not be encrypted.
+ *
+ * @NL80211_ATTR_TESTDATA: Testmode data blob, passed through to the driver.
+ *	We recommend using nested, driver-specific attributes within this.
+ *
+ * @NL80211_ATTR_DISCONNECTED_BY_AP: A flag indicating that the DISCONNECT
+ *	event was due to the AP disconnecting the station, and not due to
+ *	a local disconnect request.
+ * @NL80211_ATTR_STATUS_CODE: StatusCode for the %NL80211_CMD_CONNECT
+ *	event (u16)
+ * @NL80211_ATTR_PRIVACY: Flag attribute, used with connect(), indicating
+ *	that protected APs should be used.
+ *
+ * @NL80211_ATTR_CIPHERS_PAIRWISE: Used with CONNECT and ASSOCIATE to
+ *	indicate which unicast key ciphers will be used with the connection
+ *	(an array of u32).
+ * @NL80211_ATTR_CIPHER_GROUP: Used with CONNECT and ASSOCIATE to indicate
+ *	which group key cipher will be used with the connection (a u32).
+ * @NL80211_ATTR_WPA_VERSIONS: Used with CONNECT and ASSOCIATE to indicate
+ *	which WPA version(s) the AP we want to associate with is using
+ *	(a u32 with flags from &enum nl80211_wpa_versions).
+ * @NL80211_ATTR_AKM_SUITES: Used with CONNECT and ASSOCIATE to indicate
+ *	which key management algorithm(s) to use (an array of u32).
+ *
+ * @NL80211_ATTR_REQ_IE: (Re)association request information elements as
+ *	sent out by the card, for ROAM and successful CONNECT events.
+ * @NL80211_ATTR_RESP_IE: (Re)association response information elements as
+ *	sent by peer, for ROAM and successful CONNECT events.
+ *
+ * @NL80211_ATTR_PREV_BSSID: previous BSSID, to be used by in ASSOCIATE
+ *	commands to specify using a reassociate frame
+ *
+ * @NL80211_ATTR_KEY: key information in a nested attribute with
+ *	%NL80211_KEY_* sub-attributes
+ * @NL80211_ATTR_KEYS: array of keys for static WEP keys for connect()
+ *	and join_ibss(), key information is in a nested attribute each
+ *	with %NL80211_KEY_* sub-attributes
+ *
+ * @NL80211_ATTR_PID: Process ID of a network namespace.
+ *
+ * @NL80211_ATTR_GENERATION: Used to indicate consistent snapshots for
+ *	dumps. This number increases whenever the object list being
+ *	dumped changes, and as such userspace can verify that it has
+ *	obtained a complete and consistent snapshot by verifying that
+ *	all dump messages contain the same generation number. If it
+ *	changed then the list changed and the dump should be repeated
+ *	completely from scratch.
+ *
+ * @NL80211_ATTR_4ADDR: Use 4-address frames on a virtual interface
+ *
+ * @NL80211_ATTR_SURVEY_INFO: survey information about a channel, part of
+ *      the survey response for %NL80211_CMD_GET_SURVEY, nested attribute
+ *      containing info as possible, see &enum survey_info.
+ *
+ * @NL80211_ATTR_PMKID: PMK material for PMKSA caching.
+ * @NL80211_ATTR_MAX_NUM_PMKIDS: maximum number of PMKIDs a firmware can
+ *	cache, a wiphy attribute.
+ *
+ * @NL80211_ATTR_DURATION: Duration of an operation in milliseconds, u32.
+ * @NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION: Device attribute that
+ *	specifies the maximum duration that can be requested with the
+ *	remain-on-channel operation, in milliseconds, u32.
+ *
+ * @NL80211_ATTR_COOKIE: Generic 64-bit cookie to identify objects.
+ *
+ * @NL80211_ATTR_TX_RATES: Nested set of attributes
+ *	(enum nl80211_tx_rate_attributes) describing TX rates per band. The
+ *	enum nl80211_band value is used as the index (nla_type() of the nested
+ *	data. If a band is not included, it will be configured to allow all
+ *	rates based on negotiated supported rates information. This attribute
+ *	is used with %NL80211_CMD_SET_TX_BITRATE_MASK.
+ *
+ * @NL80211_ATTR_FRAME_MATCH: A binary attribute which typically must contain
+ *	at least one byte, currently used with @NL80211_CMD_REGISTER_FRAME.
+ * @NL80211_ATTR_FRAME_TYPE: A u16 indicating the frame type/subtype for the
+ *	@NL80211_CMD_REGISTER_FRAME command.
+ * @NL80211_ATTR_TX_FRAME_TYPES: wiphy capability attribute, which is a
+ *	nested attribute of %NL80211_ATTR_FRAME_TYPE attributes, containing
+ *	information about which frame types can be transmitted with
+ *	%NL80211_CMD_FRAME.
+ * @NL80211_ATTR_RX_FRAME_TYPES: wiphy capability attribute, which is a
+ *	nested attribute of %NL80211_ATTR_FRAME_TYPE attributes, containing
+ *	information about which frame types can be registered for RX.
+ *
+ * @NL80211_ATTR_ACK: Flag attribute indicating that the frame was
+ *	acknowledged by the recipient.
+ *
+ * @NL80211_ATTR_CQM: connection quality monitor configuration in a
+ *	nested attribute with %NL80211_ATTR_CQM_* sub-attributes.
+ *
+ * @NL80211_ATTR_LOCAL_STATE_CHANGE: Flag attribute to indicate that a command
+ *	is requesting a local authentication/association state change without
+ *	invoking actual management frame exchange. This can be used with
+ *	NL80211_CMD_AUTHENTICATE, NL80211_CMD_DEAUTHENTICATE,
+ *	NL80211_CMD_DISASSOCIATE.
+ *
+ * @NL80211_ATTR_AP_ISOLATE: (AP mode) Do not forward traffic between stations
+ *	connected to this BSS.
+ *
+ * @NL80211_ATTR_WIPHY_TX_POWER_SETTING: Transmit power setting type. See
+ *      &enum nl80211_tx_power_setting for possible values.
+ * @NL80211_ATTR_WIPHY_TX_POWER_LEVEL: Transmit power level in signed mBm units.
+ *      This is used in association with @NL80211_ATTR_WIPHY_TX_POWER_SETTING
+ *      for non-automatic settings.
+ *
+ * @NL80211_ATTR_SUPPORT_IBSS_RSN: The device supports IBSS RSN, which mostly
+ *	means support for per-station GTKs.
+ *
+ * @NL80211_ATTR_WIPHY_ANTENNA_TX: Bitmap of allowed antennas for transmitting.
+ *	This can be used to mask out antennas which are not attached or should
+ *	not be used for transmitting. If an antenna is not selected in this
+ *	bitmap the hardware is not allowed to transmit on this antenna.
+ *
+ *	Each bit represents one antenna, starting with antenna 1 at the first
+ *	bit. Depending on which antennas are selected in the bitmap, 802.11n
+ *	drivers can derive which chainmasks to use (if all antennas belonging to
+ *	a particular chain are disabled this chain should be disabled) and if
+ *	a chain has diversity antennas wether diversity should be used or not.
+ *	HT capabilities (STBC, TX Beamforming, Antenna selection) can be
+ *	derived from the available chains after applying the antenna mask.
+ *	Non-802.11n drivers can derive wether to use diversity or not.
+ *	Drivers may reject configurations or RX/TX mask combinations they cannot
+ *	support by returning -EINVAL.
+ *
+ * @NL80211_ATTR_WIPHY_ANTENNA_RX: Bitmap of allowed antennas for receiving.
+ *	This can be used to mask out antennas which are not attached or should
+ *	not be used for receiving. If an antenna is not selected in this bitmap
+ *	the hardware should not be configured to receive on this antenna.
+ *	For a more detailed descripton see @NL80211_ATTR_WIPHY_ANTENNA_TX.
+ *
+ * @NL80211_ATTR_MCAST_RATE: Multicast tx rate (in 100 kbps) for IBSS
+ *
+ * @NL80211_ATTR_OFFCHANNEL_TX_OK: For management frame TX, the frame may be
+ *	transmitted on another channel when the channel given doesn't match
+ *	the current channel. If the current channel doesn't match and this
+ *	flag isn't set, the frame will be rejected. This is also used as an
+ *	nl80211 capability flag.
+ *
+ * @NL80211_ATTR_BSS_HTOPMODE: HT operation mode (u16)
+ *
+ * @NL80211_ATTR_KEY_DEFAULT_TYPES: A nested attribute containing flags
+ *	attributes, specifying what a key should be set as default as.
+ *	See &enum nl80211_key_default_types.
+ *
+ * @NL80211_ATTR_MAX: highest attribute number currently defined
+ * @__NL80211_ATTR_AFTER_LAST: internal use
+ */
+enum nl80211_attrs {
+/* don't change the order or add anything inbetween, this is ABI! */
+	NL80211_ATTR_UNSPEC,
+
+	NL80211_ATTR_WIPHY,
+	NL80211_ATTR_WIPHY_NAME,
+
+	NL80211_ATTR_IFINDEX,
+	NL80211_ATTR_IFNAME,
+	NL80211_ATTR_IFTYPE,
+
+	NL80211_ATTR_MAC,
+
+	NL80211_ATTR_KEY_DATA,
+	NL80211_ATTR_KEY_IDX,
+	NL80211_ATTR_KEY_CIPHER,
+	NL80211_ATTR_KEY_SEQ,
+	NL80211_ATTR_KEY_DEFAULT,
+
+	NL80211_ATTR_BEACON_INTERVAL,
+	NL80211_ATTR_DTIM_PERIOD,
+	NL80211_ATTR_BEACON_HEAD,
+	NL80211_ATTR_BEACON_TAIL,
+
+	NL80211_ATTR_STA_AID,
+	NL80211_ATTR_STA_FLAGS,
+	NL80211_ATTR_STA_LISTEN_INTERVAL,
+	NL80211_ATTR_STA_SUPPORTED_RATES,
+	NL80211_ATTR_STA_VLAN,
+	NL80211_ATTR_STA_INFO,
+
+	NL80211_ATTR_WIPHY_BANDS,
+
+	NL80211_ATTR_MNTR_FLAGS,
+
+	NL80211_ATTR_MESH_ID,
+	NL80211_ATTR_STA_PLINK_ACTION,
+	NL80211_ATTR_MPATH_NEXT_HOP,
+	NL80211_ATTR_MPATH_INFO,
+
+	NL80211_ATTR_BSS_CTS_PROT,
+	NL80211_ATTR_BSS_SHORT_PREAMBLE,
+	NL80211_ATTR_BSS_SHORT_SLOT_TIME,
+
+	NL80211_ATTR_HT_CAPABILITY,
+
+	NL80211_ATTR_SUPPORTED_IFTYPES,
+
+	NL80211_ATTR_REG_ALPHA2,
+	NL80211_ATTR_REG_RULES,
+
+	NL80211_ATTR_MESH_PARAMS,
+
+	NL80211_ATTR_BSS_BASIC_RATES,
+
+	NL80211_ATTR_WIPHY_TXQ_PARAMS,
+	NL80211_ATTR_WIPHY_FREQ,
+	NL80211_ATTR_WIPHY_CHANNEL_TYPE,
+
+	NL80211_ATTR_KEY_DEFAULT_MGMT,
+
+	NL80211_ATTR_MGMT_SUBTYPE,
+	NL80211_ATTR_IE,
+
+	NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
+
+	NL80211_ATTR_SCAN_FREQUENCIES,
+	NL80211_ATTR_SCAN_SSIDS,
+	NL80211_ATTR_GENERATION, /* replaces old SCAN_GENERATION */
+	NL80211_ATTR_BSS,
+
+	NL80211_ATTR_REG_INITIATOR,
+	NL80211_ATTR_REG_TYPE,
+
+	NL80211_ATTR_SUPPORTED_COMMANDS,
+
+	NL80211_ATTR_FRAME,
+	NL80211_ATTR_SSID,
+	NL80211_ATTR_AUTH_TYPE,
+	NL80211_ATTR_REASON_CODE,
+
+	NL80211_ATTR_KEY_TYPE,
+
+	NL80211_ATTR_MAX_SCAN_IE_LEN,
+	NL80211_ATTR_CIPHER_SUITES,
+
+	NL80211_ATTR_FREQ_BEFORE,
+	NL80211_ATTR_FREQ_AFTER,
+
+	NL80211_ATTR_FREQ_FIXED,
+
+
+	NL80211_ATTR_WIPHY_RETRY_SHORT,
+	NL80211_ATTR_WIPHY_RETRY_LONG,
+	NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
+	NL80211_ATTR_WIPHY_RTS_THRESHOLD,
+
+	NL80211_ATTR_TIMED_OUT,
+
+	NL80211_ATTR_USE_MFP,
+
+	NL80211_ATTR_STA_FLAGS2,
+
+	NL80211_ATTR_CONTROL_PORT,
+
+	NL80211_ATTR_TESTDATA,
+
+	NL80211_ATTR_PRIVACY,
+
+	NL80211_ATTR_DISCONNECTED_BY_AP,
+	NL80211_ATTR_STATUS_CODE,
+
+	NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
+	NL80211_ATTR_CIPHER_SUITE_GROUP,
+	NL80211_ATTR_WPA_VERSIONS,
+	NL80211_ATTR_AKM_SUITES,
+
+	NL80211_ATTR_REQ_IE,
+	NL80211_ATTR_RESP_IE,
+
+	NL80211_ATTR_PREV_BSSID,
+
+	NL80211_ATTR_KEY,
+	NL80211_ATTR_KEYS,
+
+	NL80211_ATTR_PID,
+
+	NL80211_ATTR_4ADDR,
+
+	NL80211_ATTR_SURVEY_INFO,
+
+	NL80211_ATTR_PMKID,
+	NL80211_ATTR_MAX_NUM_PMKIDS,
+
+	NL80211_ATTR_DURATION,
+
+	NL80211_ATTR_COOKIE,
+
+	NL80211_ATTR_WIPHY_COVERAGE_CLASS,
+
+	NL80211_ATTR_TX_RATES,
+
+	NL80211_ATTR_FRAME_MATCH,
+
+	NL80211_ATTR_ACK,
+
+	NL80211_ATTR_PS_STATE,
+
+	NL80211_ATTR_CQM,
+
+	NL80211_ATTR_LOCAL_STATE_CHANGE,
+
+	NL80211_ATTR_AP_ISOLATE,
+
+	NL80211_ATTR_WIPHY_TX_POWER_SETTING,
+	NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
+
+	NL80211_ATTR_TX_FRAME_TYPES,
+	NL80211_ATTR_RX_FRAME_TYPES,
+	NL80211_ATTR_FRAME_TYPE,
+
+	NL80211_ATTR_CONTROL_PORT_ETHERTYPE,
+	NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT,
+
+	NL80211_ATTR_SUPPORT_IBSS_RSN,
+
+	NL80211_ATTR_WIPHY_ANTENNA_TX,
+	NL80211_ATTR_WIPHY_ANTENNA_RX,
+
+	NL80211_ATTR_MCAST_RATE,
+
+	NL80211_ATTR_OFFCHANNEL_TX_OK,
+
+	NL80211_ATTR_BSS_HT_OPMODE,
+
+	NL80211_ATTR_KEY_DEFAULT_TYPES,
+
+	NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
+
+	/* add attributes here, update the policy in nl80211.c */
+
+	__NL80211_ATTR_AFTER_LAST,
+	NL80211_ATTR_MAX = __NL80211_ATTR_AFTER_LAST - 1
+};
+
+/* source-level API compatibility */
+#define NL80211_ATTR_SCAN_GENERATION NL80211_ATTR_GENERATION
+
+/*
+ * Allow user space programs to use #ifdef on new attributes by defining them
+ * here
+ */
+#define NL80211_CMD_CONNECT NL80211_CMD_CONNECT
+#define NL80211_ATTR_HT_CAPABILITY NL80211_ATTR_HT_CAPABILITY
+#define NL80211_ATTR_BSS_BASIC_RATES NL80211_ATTR_BSS_BASIC_RATES
+#define NL80211_ATTR_WIPHY_TXQ_PARAMS NL80211_ATTR_WIPHY_TXQ_PARAMS
+#define NL80211_ATTR_WIPHY_FREQ NL80211_ATTR_WIPHY_FREQ
+#define NL80211_ATTR_WIPHY_CHANNEL_TYPE NL80211_ATTR_WIPHY_CHANNEL_TYPE
+#define NL80211_ATTR_MGMT_SUBTYPE NL80211_ATTR_MGMT_SUBTYPE
+#define NL80211_ATTR_IE NL80211_ATTR_IE
+#define NL80211_ATTR_REG_INITIATOR NL80211_ATTR_REG_INITIATOR
+#define NL80211_ATTR_REG_TYPE NL80211_ATTR_REG_TYPE
+#define NL80211_ATTR_FRAME NL80211_ATTR_FRAME
+#define NL80211_ATTR_SSID NL80211_ATTR_SSID
+#define NL80211_ATTR_AUTH_TYPE NL80211_ATTR_AUTH_TYPE
+#define NL80211_ATTR_REASON_CODE NL80211_ATTR_REASON_CODE
+#define NL80211_ATTR_CIPHER_SUITES_PAIRWISE NL80211_ATTR_CIPHER_SUITES_PAIRWISE
+#define NL80211_ATTR_CIPHER_SUITE_GROUP NL80211_ATTR_CIPHER_SUITE_GROUP
+#define NL80211_ATTR_WPA_VERSIONS NL80211_ATTR_WPA_VERSIONS
+#define NL80211_ATTR_AKM_SUITES NL80211_ATTR_AKM_SUITES
+#define NL80211_ATTR_KEY NL80211_ATTR_KEY
+#define NL80211_ATTR_KEYS NL80211_ATTR_KEYS
+
+#define NL80211_MAX_SUPP_RATES			32
+#define NL80211_MAX_SUPP_REG_RULES		32
+#define NL80211_TKIP_DATA_OFFSET_ENCR_KEY	0
+#define NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY	16
+#define NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY	24
+#define NL80211_HT_CAPABILITY_LEN		26
+
+#define NL80211_MAX_NR_CIPHER_SUITES		5
+#define NL80211_MAX_NR_AKM_SUITES		2
+
+/**
+ * enum nl80211_iftype - (virtual) interface types
+ *
+ * @NL80211_IFTYPE_UNSPECIFIED: unspecified type, driver decides
+ * @NL80211_IFTYPE_ADHOC: independent BSS member
+ * @NL80211_IFTYPE_STATION: managed BSS member
+ * @NL80211_IFTYPE_AP: access point
+ * @NL80211_IFTYPE_AP_VLAN: VLAN interface for access points
+ * @NL80211_IFTYPE_WDS: wireless distribution interface
+ * @NL80211_IFTYPE_MONITOR: monitor interface receiving all frames
+ * @NL80211_IFTYPE_MESH_POINT: mesh point
+ * @NL80211_IFTYPE_P2P_CLIENT: P2P client
+ * @NL80211_IFTYPE_P2P_GO: P2P group owner
+ * @NL80211_IFTYPE_MAX: highest interface type number currently defined
+ * @NUM_NL80211_IFTYPES: number of defined interface types
+ *
+ * These values are used with the %NL80211_ATTR_IFTYPE
+ * to set the type of an interface.
+ *
+ */
+enum nl80211_iftype {
+	NL80211_IFTYPE_UNSPECIFIED,
+	NL80211_IFTYPE_ADHOC,
+	NL80211_IFTYPE_STATION,
+	NL80211_IFTYPE_AP,
+	NL80211_IFTYPE_AP_VLAN,
+	NL80211_IFTYPE_WDS,
+	NL80211_IFTYPE_MONITOR,
+	NL80211_IFTYPE_MESH_POINT,
+	NL80211_IFTYPE_P2P_CLIENT,
+	NL80211_IFTYPE_P2P_GO,
+
+	/* keep last */
+	NUM_NL80211_IFTYPES,
+	NL80211_IFTYPE_MAX = NUM_NL80211_IFTYPES - 1
+};
+
+/**
+ * enum nl80211_sta_flags - station flags
+ *
+ * Station flags. When a station is added to an AP interface, it is
+ * assumed to be already associated (and hence authenticated.)
+ *
+ * @__NL80211_STA_FLAG_INVALID: attribute number 0 is reserved
+ * @NL80211_STA_FLAG_AUTHORIZED: station is authorized (802.1X)
+ * @NL80211_STA_FLAG_SHORT_PREAMBLE: station is capable of receiving frames
+ *	with short barker preamble
+ * @NL80211_STA_FLAG_WME: station is WME/QoS capable
+ * @NL80211_STA_FLAG_MFP: station uses management frame protection
+ * @NL80211_STA_FLAG_MAX: highest station flag number currently defined
+ * @__NL80211_STA_FLAG_AFTER_LAST: internal use
+ */
+enum nl80211_sta_flags {
+	__NL80211_STA_FLAG_INVALID,
+	NL80211_STA_FLAG_AUTHORIZED,
+	NL80211_STA_FLAG_SHORT_PREAMBLE,
+	NL80211_STA_FLAG_WME,
+	NL80211_STA_FLAG_MFP,
+
+	/* keep last */
+	__NL80211_STA_FLAG_AFTER_LAST,
+	NL80211_STA_FLAG_MAX = __NL80211_STA_FLAG_AFTER_LAST - 1
+};
+
+/**
+ * struct nl80211_sta_flag_update - station flags mask/set
+ * @mask: mask of station flags to set
+ * @set: which values to set them to
+ *
+ * Both mask and set contain bits as per &enum nl80211_sta_flags.
+ */
+struct nl80211_sta_flag_update {
+	__u32 mask;
+	__u32 set;
+} __attribute__((packed));
+
+/**
+ * enum nl80211_rate_info - bitrate information
+ *
+ * These attribute types are used with %NL80211_STA_INFO_TXRATE
+ * when getting information about the bitrate of a station.
+ *
+ * @__NL80211_RATE_INFO_INVALID: attribute number 0 is reserved
+ * @NL80211_RATE_INFO_BITRATE: total bitrate (u16, 100kbit/s)
+ * @NL80211_RATE_INFO_MCS: mcs index for 802.11n (u8)
+ * @NL80211_RATE_INFO_40_MHZ_WIDTH: 40 Mhz dualchannel bitrate
+ * @NL80211_RATE_INFO_SHORT_GI: 400ns guard interval
+ * @NL80211_RATE_INFO_MAX: highest rate_info number currently defined
+ * @__NL80211_RATE_INFO_AFTER_LAST: internal use
+ */
+enum nl80211_rate_info {
+	__NL80211_RATE_INFO_INVALID,
+	NL80211_RATE_INFO_BITRATE,
+	NL80211_RATE_INFO_MCS,
+	NL80211_RATE_INFO_40_MHZ_WIDTH,
+	NL80211_RATE_INFO_SHORT_GI,
+
+	/* keep last */
+	__NL80211_RATE_INFO_AFTER_LAST,
+	NL80211_RATE_INFO_MAX = __NL80211_RATE_INFO_AFTER_LAST - 1
+};
+
+/**
+ * enum nl80211_sta_info - station information
+ *
+ * These attribute types are used with %NL80211_ATTR_STA_INFO
+ * when getting information about a station.
+ *
+ * @__NL80211_STA_INFO_INVALID: attribute number 0 is reserved
+ * @NL80211_STA_INFO_INACTIVE_TIME: time since last activity (u32, msecs)
+ * @NL80211_STA_INFO_RX_BYTES: total received bytes (u32, from this station)
+ * @NL80211_STA_INFO_TX_BYTES: total transmitted bytes (u32, to this station)
+ * @__NL80211_STA_INFO_AFTER_LAST: internal
+ * @NL80211_STA_INFO_MAX: highest possible station info attribute
+ * @NL80211_STA_INFO_SIGNAL: signal strength of last received PPDU (u8, dBm)
+ * @NL80211_STA_INFO_TX_BITRATE: current unicast tx rate, nested attribute
+ * 	containing info as possible, see &enum nl80211_sta_info_txrate.
+ * @NL80211_STA_INFO_RX_PACKETS: total received packet (u32, from this station)
+ * @NL80211_STA_INFO_TX_PACKETS: total transmitted packets (u32, to this
+ *	station)
+ * @NL80211_STA_INFO_TX_RETRIES: total retries (u32, to this station)
+ * @NL80211_STA_INFO_TX_FAILED: total failed packets (u32, to this station)
+ * @NL80211_STA_INFO_SIGNAL_AVG: signal strength average (u8, dBm)
+ */
+enum nl80211_sta_info {
+	__NL80211_STA_INFO_INVALID,
+	NL80211_STA_INFO_INACTIVE_TIME,
+	NL80211_STA_INFO_RX_BYTES,
+	NL80211_STA_INFO_TX_BYTES,
+	NL80211_STA_INFO_LLID,
+	NL80211_STA_INFO_PLID,
+	NL80211_STA_INFO_PLINK_STATE,
+	NL80211_STA_INFO_SIGNAL,
+	NL80211_STA_INFO_TX_BITRATE,
+	NL80211_STA_INFO_RX_PACKETS,
+	NL80211_STA_INFO_TX_PACKETS,
+	NL80211_STA_INFO_TX_RETRIES,
+	NL80211_STA_INFO_TX_FAILED,
+	NL80211_STA_INFO_SIGNAL_AVG,
+
+	/* keep last */
+	__NL80211_STA_INFO_AFTER_LAST,
+	NL80211_STA_INFO_MAX = __NL80211_STA_INFO_AFTER_LAST - 1
+};
+
+/**
+ * enum nl80211_mpath_flags - nl80211 mesh path flags
+ *
+ * @NL80211_MPATH_FLAG_ACTIVE: the mesh path is active
+ * @NL80211_MPATH_FLAG_RESOLVING: the mesh path discovery process is running
+ * @NL80211_MPATH_FLAG_SN_VALID: the mesh path contains a valid SN
+ * @NL80211_MPATH_FLAG_FIXED: the mesh path has been manually set
+ * @NL80211_MPATH_FLAG_RESOLVED: the mesh path discovery process succeeded
+ */
+enum nl80211_mpath_flags {
+	NL80211_MPATH_FLAG_ACTIVE =	1<<0,
+	NL80211_MPATH_FLAG_RESOLVING =	1<<1,
+	NL80211_MPATH_FLAG_SN_VALID =	1<<2,
+	NL80211_MPATH_FLAG_FIXED =	1<<3,
+	NL80211_MPATH_FLAG_RESOLVED =	1<<4,
+};
+
+/**
+ * enum nl80211_mpath_info - mesh path information
+ *
+ * These attribute types are used with %NL80211_ATTR_MPATH_INFO when getting
+ * information about a mesh path.
+ *
+ * @__NL80211_MPATH_INFO_INVALID: attribute number 0 is reserved
+ * @NL80211_MPATH_INFO_FRAME_QLEN: number of queued frames for this destination
+ * @NL80211_MPATH_INFO_SN: destination sequence number
+ * @NL80211_MPATH_INFO_METRIC: metric (cost) of this mesh path
+ * @NL80211_MPATH_INFO_EXPTIME: expiration time for the path, in msec from now
+ * @NL80211_MPATH_INFO_FLAGS: mesh path flags, enumerated in
+ * 	&enum nl80211_mpath_flags;
+ * @NL80211_MPATH_INFO_DISCOVERY_TIMEOUT: total path discovery timeout, in msec
+ * @NL80211_MPATH_INFO_DISCOVERY_RETRIES: mesh path discovery retries
+ * @NL80211_MPATH_INFO_MAX: highest mesh path information attribute number
+ *	currently defind
+ * @__NL80211_MPATH_INFO_AFTER_LAST: internal use
+ */
+enum nl80211_mpath_info {
+	__NL80211_MPATH_INFO_INVALID,
+	NL80211_MPATH_INFO_FRAME_QLEN,
+	NL80211_MPATH_INFO_SN,
+	NL80211_MPATH_INFO_METRIC,
+	NL80211_MPATH_INFO_EXPTIME,
+	NL80211_MPATH_INFO_FLAGS,
+	NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
+	NL80211_MPATH_INFO_DISCOVERY_RETRIES,
+
+	/* keep last */
+	__NL80211_MPATH_INFO_AFTER_LAST,
+	NL80211_MPATH_INFO_MAX = __NL80211_MPATH_INFO_AFTER_LAST - 1
+};
+
+/**
+ * enum nl80211_band_attr - band attributes
+ * @__NL80211_BAND_ATTR_INVALID: attribute number 0 is reserved
+ * @NL80211_BAND_ATTR_FREQS: supported frequencies in this band,
+ *	an array of nested frequency attributes
+ * @NL80211_BAND_ATTR_RATES: supported bitrates in this band,
+ *	an array of nested bitrate attributes
+ * @NL80211_BAND_ATTR_HT_MCS_SET: 16-byte attribute containing the MCS set as
+ *	defined in 802.11n
+ * @NL80211_BAND_ATTR_HT_CAPA: HT capabilities, as in the HT information IE
+ * @NL80211_BAND_ATTR_HT_AMPDU_FACTOR: A-MPDU factor, as in 11n
+ * @NL80211_BAND_ATTR_HT_AMPDU_DENSITY: A-MPDU density, as in 11n
+ * @NL80211_BAND_ATTR_MAX: highest band attribute currently defined
+ * @__NL80211_BAND_ATTR_AFTER_LAST: internal use
+ */
+enum nl80211_band_attr {
+	__NL80211_BAND_ATTR_INVALID,
+	NL80211_BAND_ATTR_FREQS,
+	NL80211_BAND_ATTR_RATES,
+
+	NL80211_BAND_ATTR_HT_MCS_SET,
+	NL80211_BAND_ATTR_HT_CAPA,
+	NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
+	NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
+
+	/* keep last */
+	__NL80211_BAND_ATTR_AFTER_LAST,
+	NL80211_BAND_ATTR_MAX = __NL80211_BAND_ATTR_AFTER_LAST - 1
+};
+
+#define NL80211_BAND_ATTR_HT_CAPA NL80211_BAND_ATTR_HT_CAPA
+
+/**
+ * enum nl80211_frequency_attr - frequency attributes
+ * @__NL80211_FREQUENCY_ATTR_INVALID: attribute number 0 is reserved
+ * @NL80211_FREQUENCY_ATTR_FREQ: Frequency in MHz
+ * @NL80211_FREQUENCY_ATTR_DISABLED: Channel is disabled in current
+ *	regulatory domain.
+ * @NL80211_FREQUENCY_ATTR_PASSIVE_SCAN: Only passive scanning is
+ *	permitted on this channel in current regulatory domain.
+ * @NL80211_FREQUENCY_ATTR_NO_IBSS: IBSS networks are not permitted
+ *	on this channel in current regulatory domain.
+ * @NL80211_FREQUENCY_ATTR_RADAR: Radar detection is mandatory
+ *	on this channel in current regulatory domain.
+ * @NL80211_FREQUENCY_ATTR_MAX_TX_POWER: Maximum transmission power in mBm
+ *	(100 * dBm).
+ * @NL80211_FREQUENCY_ATTR_MAX: highest frequency attribute number
+ *	currently defined
+ * @__NL80211_FREQUENCY_ATTR_AFTER_LAST: internal use
+ */
+enum nl80211_frequency_attr {
+	__NL80211_FREQUENCY_ATTR_INVALID,
+	NL80211_FREQUENCY_ATTR_FREQ,
+	NL80211_FREQUENCY_ATTR_DISABLED,
+	NL80211_FREQUENCY_ATTR_PASSIVE_SCAN,
+	NL80211_FREQUENCY_ATTR_NO_IBSS,
+	NL80211_FREQUENCY_ATTR_RADAR,
+	NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
+
+	/* keep last */
+	__NL80211_FREQUENCY_ATTR_AFTER_LAST,
+	NL80211_FREQUENCY_ATTR_MAX = __NL80211_FREQUENCY_ATTR_AFTER_LAST - 1
+};
+
+#define NL80211_FREQUENCY_ATTR_MAX_TX_POWER NL80211_FREQUENCY_ATTR_MAX_TX_POWER
+
+/**
+ * enum nl80211_bitrate_attr - bitrate attributes
+ * @__NL80211_BITRATE_ATTR_INVALID: attribute number 0 is reserved
+ * @NL80211_BITRATE_ATTR_RATE: Bitrate in units of 100 kbps
+ * @NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE: Short preamble supported
+ *	in 2.4 GHz band.
+ * @NL80211_BITRATE_ATTR_MAX: highest bitrate attribute number
+ *	currently defined
+ * @__NL80211_BITRATE_ATTR_AFTER_LAST: internal use
+ */
+enum nl80211_bitrate_attr {
+	__NL80211_BITRATE_ATTR_INVALID,
+	NL80211_BITRATE_ATTR_RATE,
+	NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE,
+
+	/* keep last */
+	__NL80211_BITRATE_ATTR_AFTER_LAST,
+	NL80211_BITRATE_ATTR_MAX = __NL80211_BITRATE_ATTR_AFTER_LAST - 1
+};
+
+/**
+ * enum nl80211_initiator - Indicates the initiator of a reg domain request
+ * @NL80211_REGDOM_SET_BY_CORE: Core queried CRDA for a dynamic world
+ * 	regulatory domain.
+ * @NL80211_REGDOM_SET_BY_USER: User asked the wireless core to set the
+ * 	regulatory domain.
+ * @NL80211_REGDOM_SET_BY_DRIVER: a wireless drivers has hinted to the
+ * 	wireless core it thinks its knows the regulatory domain we should be in.
+ * @NL80211_REGDOM_SET_BY_COUNTRY_IE: the wireless core has received an
+ * 	802.11 country information element with regulatory information it
+ * 	thinks we should consider. cfg80211 only processes the country
+ *	code from the IE, and relies on the regulatory domain information
+ *	structure pased by userspace (CRDA) from our wireless-regdb.
+ *	If a channel is enabled but the country code indicates it should
+ *	be disabled we disable the channel and re-enable it upon disassociation.
+ */
+enum nl80211_reg_initiator {
+	NL80211_REGDOM_SET_BY_CORE,
+	NL80211_REGDOM_SET_BY_USER,
+	NL80211_REGDOM_SET_BY_DRIVER,
+	NL80211_REGDOM_SET_BY_COUNTRY_IE,
+};
+
+/**
+ * enum nl80211_reg_type - specifies the type of regulatory domain
+ * @NL80211_REGDOM_TYPE_COUNTRY: the regulatory domain set is one that pertains
+ *	to a specific country. When this is set you can count on the
+ *	ISO / IEC 3166 alpha2 country code being valid.
+ * @NL80211_REGDOM_TYPE_WORLD: the regulatory set domain is the world regulatory
+ * 	domain.
+ * @NL80211_REGDOM_TYPE_CUSTOM_WORLD: the regulatory domain set is a custom
+ * 	driver specific world regulatory domain. These do not apply system-wide
+ * 	and are only applicable to the individual devices which have requested
+ * 	them to be applied.
+ * @NL80211_REGDOM_TYPE_INTERSECTION: the regulatory domain set is the product
+ *	of an intersection between two regulatory domains -- the previously
+ *	set regulatory domain on the system and the last accepted regulatory
+ *	domain request to be processed.
+ */
+enum nl80211_reg_type {
+	NL80211_REGDOM_TYPE_COUNTRY,
+	NL80211_REGDOM_TYPE_WORLD,
+	NL80211_REGDOM_TYPE_CUSTOM_WORLD,
+	NL80211_REGDOM_TYPE_INTERSECTION,
+};
+
+/**
+ * enum nl80211_reg_rule_attr - regulatory rule attributes
+ * @__NL80211_REG_RULE_ATTR_INVALID: attribute number 0 is reserved
+ * @NL80211_ATTR_REG_RULE_FLAGS: a set of flags which specify additional
+ * 	considerations for a given frequency range. These are the
+ * 	&enum nl80211_reg_rule_flags.
+ * @NL80211_ATTR_FREQ_RANGE_START: starting frequencry for the regulatory
+ * 	rule in KHz. This is not a center of frequency but an actual regulatory
+ * 	band edge.
+ * @NL80211_ATTR_FREQ_RANGE_END: ending frequency for the regulatory rule
+ * 	in KHz. This is not a center a frequency but an actual regulatory
+ * 	band edge.
+ * @NL80211_ATTR_FREQ_RANGE_MAX_BW: maximum allowed bandwidth for this
+ * 	frequency range, in KHz.
+ * @NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN: the maximum allowed antenna gain
+ * 	for a given frequency range. The value is in mBi (100 * dBi).
+ * 	If you don't have one then don't send this.
+ * @NL80211_ATTR_POWER_RULE_MAX_EIRP: the maximum allowed EIRP for
+ * 	a given frequency range. The value is in mBm (100 * dBm).
+ * @NL80211_REG_RULE_ATTR_MAX: highest regulatory rule attribute number
+ *	currently defined
+ * @__NL80211_REG_RULE_ATTR_AFTER_LAST: internal use
+ */
+enum nl80211_reg_rule_attr {
+	__NL80211_REG_RULE_ATTR_INVALID,
+	NL80211_ATTR_REG_RULE_FLAGS,
+
+	NL80211_ATTR_FREQ_RANGE_START,
+	NL80211_ATTR_FREQ_RANGE_END,
+	NL80211_ATTR_FREQ_RANGE_MAX_BW,
+
+	NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
+	NL80211_ATTR_POWER_RULE_MAX_EIRP,
+
+	/* keep last */
+	__NL80211_REG_RULE_ATTR_AFTER_LAST,
+	NL80211_REG_RULE_ATTR_MAX = __NL80211_REG_RULE_ATTR_AFTER_LAST - 1
+};
+
+/**
+ * enum nl80211_reg_rule_flags - regulatory rule flags
+ *
+ * @NL80211_RRF_NO_OFDM: OFDM modulation not allowed
+ * @NL80211_RRF_NO_CCK: CCK modulation not allowed
+ * @NL80211_RRF_NO_INDOOR: indoor operation not allowed
+ * @NL80211_RRF_NO_OUTDOOR: outdoor operation not allowed
+ * @NL80211_RRF_DFS: DFS support is required to be used
+ * @NL80211_RRF_PTP_ONLY: this is only for Point To Point links
+ * @NL80211_RRF_PTMP_ONLY: this is only for Point To Multi Point links
+ * @NL80211_RRF_PASSIVE_SCAN: passive scan is required
+ * @NL80211_RRF_NO_IBSS: no IBSS is allowed
+ */
+enum nl80211_reg_rule_flags {
+	NL80211_RRF_NO_OFDM		= 1<<0,
+	NL80211_RRF_NO_CCK		= 1<<1,
+	NL80211_RRF_NO_INDOOR		= 1<<2,
+	NL80211_RRF_NO_OUTDOOR		= 1<<3,
+	NL80211_RRF_DFS			= 1<<4,
+	NL80211_RRF_PTP_ONLY		= 1<<5,
+	NL80211_RRF_PTMP_ONLY		= 1<<6,
+	NL80211_RRF_PASSIVE_SCAN	= 1<<7,
+	NL80211_RRF_NO_IBSS		= 1<<8,
+};
+
+/**
+ * enum nl80211_survey_info - survey information
+ *
+ * These attribute types are used with %NL80211_ATTR_SURVEY_INFO
+ * when getting information about a survey.
+ *
+ * @__NL80211_SURVEY_INFO_INVALID: attribute number 0 is reserved
+ * @NL80211_SURVEY_INFO_FREQUENCY: center frequency of channel
+ * @NL80211_SURVEY_INFO_NOISE: noise level of channel (u8, dBm)
+ * @NL80211_SURVEY_INFO_IN_USE: channel is currently being used
+ * @NL80211_SURVEY_INFO_CHANNEL_TIME: amount of time (in ms) that the radio
+ *	spent on this channel
+ * @NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY: amount of the time the primary
+ *	channel was sensed busy (either due to activity or energy detect)
+ * @NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY: amount of time the extension
+ *	channel was sensed busy
+ * @NL80211_SURVEY_INFO_CHANNEL_TIME_RX: amount of time the radio spent
+ *	receiving data
+ * @NL80211_SURVEY_INFO_CHANNEL_TIME_TX: amount of time the radio spent
+ *	transmitting data
+ * @NL80211_SURVEY_INFO_MAX: highest survey info attribute number
+ *	currently defined
+ * @__NL80211_SURVEY_INFO_AFTER_LAST: internal use
+ */
+enum nl80211_survey_info {
+	__NL80211_SURVEY_INFO_INVALID,
+	NL80211_SURVEY_INFO_FREQUENCY,
+	NL80211_SURVEY_INFO_NOISE,
+	NL80211_SURVEY_INFO_IN_USE,
+	NL80211_SURVEY_INFO_CHANNEL_TIME,
+	NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY,
+	NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY,
+	NL80211_SURVEY_INFO_CHANNEL_TIME_RX,
+	NL80211_SURVEY_INFO_CHANNEL_TIME_TX,
+
+	/* keep last */
+	__NL80211_SURVEY_INFO_AFTER_LAST,
+	NL80211_SURVEY_INFO_MAX = __NL80211_SURVEY_INFO_AFTER_LAST - 1
+};
+
+/**
+ * enum nl80211_mntr_flags - monitor configuration flags
+ *
+ * Monitor configuration flags.
+ *
+ * @__NL80211_MNTR_FLAG_INVALID: reserved
+ *
+ * @NL80211_MNTR_FLAG_FCSFAIL: pass frames with bad FCS
+ * @NL80211_MNTR_FLAG_PLCPFAIL: pass frames with bad PLCP
+ * @NL80211_MNTR_FLAG_CONTROL: pass control frames
+ * @NL80211_MNTR_FLAG_OTHER_BSS: disable BSSID filtering
+ * @NL80211_MNTR_FLAG_COOK_FRAMES: report frames after processing.
+ *	overrides all other flags.
+ *
+ * @__NL80211_MNTR_FLAG_AFTER_LAST: internal use
+ * @NL80211_MNTR_FLAG_MAX: highest possible monitor flag
+ */
+enum nl80211_mntr_flags {
+	__NL80211_MNTR_FLAG_INVALID,
+	NL80211_MNTR_FLAG_FCSFAIL,
+	NL80211_MNTR_FLAG_PLCPFAIL,
+	NL80211_MNTR_FLAG_CONTROL,
+	NL80211_MNTR_FLAG_OTHER_BSS,
+	NL80211_MNTR_FLAG_COOK_FRAMES,
+
+	/* keep last */
+	__NL80211_MNTR_FLAG_AFTER_LAST,
+	NL80211_MNTR_FLAG_MAX = __NL80211_MNTR_FLAG_AFTER_LAST - 1
+};
+
+/**
+ * enum nl80211_meshconf_params - mesh configuration parameters
+ *
+ * Mesh configuration parameters
+ *
+ * @__NL80211_MESHCONF_INVALID: internal use
+ *
+ * @NL80211_MESHCONF_RETRY_TIMEOUT: specifies the initial retry timeout in
+ * millisecond units, used by the Peer Link Open message
+ *
+ * @NL80211_MESHCONF_CONFIRM_TIMEOUT: specifies the inital confirm timeout, in
+ * millisecond units, used by the peer link management to close a peer link
+ *
+ * @NL80211_MESHCONF_HOLDING_TIMEOUT: specifies the holding timeout, in
+ * millisecond units
+ *
+ * @NL80211_MESHCONF_MAX_PEER_LINKS: maximum number of peer links allowed
+ * on this mesh interface
+ *
+ * @NL80211_MESHCONF_MAX_RETRIES: specifies the maximum number of peer link
+ * open retries that can be sent to establish a new peer link instance in a
+ * mesh
+ *
+ * @NL80211_MESHCONF_TTL: specifies the value of TTL field set at a source mesh
+ * point.
+ *
+ * @NL80211_MESHCONF_ELEMENT_TTL: specifies the value of TTL field set at a
+ * source mesh point for path selection elements.
+ *
+ * @NL80211_MESHCONF_AUTO_OPEN_PLINKS: whether we should automatically
+ * open peer links when we detect compatible mesh peers.
+ *
+ * @NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES: the number of action frames
+ * containing a PREQ that an MP can send to a particular destination (path
+ * target)
+ *
+ * @NL80211_MESHCONF_PATH_REFRESH_TIME: how frequently to refresh mesh paths
+ * (in milliseconds)
+ *
+ * @NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT: minimum length of time to wait
+ * until giving up on a path discovery (in milliseconds)
+ *
+ * @NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT: The time (in TUs) for which mesh
+ * points receiving a PREQ shall consider the forwarding information from the
+ * root to be valid. (TU = time unit)
+ *
+ * @NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL: The minimum interval of time (in
+ * TUs) during which an MP can send only one action frame containing a PREQ
+ * reference element
+ *
+ * @NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME: The interval of time (in TUs)
+ * that it takes for an HWMP information element to propagate across the mesh
+ *
+ * @NL80211_MESHCONF_ROOTMODE: whether root mode is enabled or not
+ *
+ * @NL80211_MESHCONF_ATTR_MAX: highest possible mesh configuration attribute
+ *
+ * @__NL80211_MESHCONF_ATTR_AFTER_LAST: internal use
+ */
+enum nl80211_meshconf_params {
+	__NL80211_MESHCONF_INVALID,
+	NL80211_MESHCONF_RETRY_TIMEOUT,
+	NL80211_MESHCONF_CONFIRM_TIMEOUT,
+	NL80211_MESHCONF_HOLDING_TIMEOUT,
+	NL80211_MESHCONF_MAX_PEER_LINKS,
+	NL80211_MESHCONF_MAX_RETRIES,
+	NL80211_MESHCONF_TTL,
+	NL80211_MESHCONF_AUTO_OPEN_PLINKS,
+	NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
+	NL80211_MESHCONF_PATH_REFRESH_TIME,
+	NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
+	NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
+	NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
+	NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
+	NL80211_MESHCONF_HWMP_ROOTMODE,
+	NL80211_MESHCONF_ELEMENT_TTL,
+
+	/* keep last */
+	__NL80211_MESHCONF_ATTR_AFTER_LAST,
+	NL80211_MESHCONF_ATTR_MAX = __NL80211_MESHCONF_ATTR_AFTER_LAST - 1
+};
+
+/**
+ * enum nl80211_txq_attr - TX queue parameter attributes
+ * @__NL80211_TXQ_ATTR_INVALID: Attribute number 0 is reserved
+ * @NL80211_TXQ_ATTR_QUEUE: TX queue identifier (NL80211_TXQ_Q_*)
+ * @NL80211_TXQ_ATTR_TXOP: Maximum burst time in units of 32 usecs, 0 meaning
+ *	disabled
+ * @NL80211_TXQ_ATTR_CWMIN: Minimum contention window [a value of the form
+ *	2^n-1 in the range 1..32767]
+ * @NL80211_TXQ_ATTR_CWMAX: Maximum contention window [a value of the form
+ *	2^n-1 in the range 1..32767]
+ * @NL80211_TXQ_ATTR_AIFS: Arbitration interframe space [0..255]
+ * @__NL80211_TXQ_ATTR_AFTER_LAST: Internal
+ * @NL80211_TXQ_ATTR_MAX: Maximum TXQ attribute number
+ */
+enum nl80211_txq_attr {
+	__NL80211_TXQ_ATTR_INVALID,
+	NL80211_TXQ_ATTR_QUEUE,
+	NL80211_TXQ_ATTR_TXOP,
+	NL80211_TXQ_ATTR_CWMIN,
+	NL80211_TXQ_ATTR_CWMAX,
+	NL80211_TXQ_ATTR_AIFS,
+
+	/* keep last */
+	__NL80211_TXQ_ATTR_AFTER_LAST,
+	NL80211_TXQ_ATTR_MAX = __NL80211_TXQ_ATTR_AFTER_LAST - 1
+};
+
+enum nl80211_txq_q {
+	NL80211_TXQ_Q_VO,
+	NL80211_TXQ_Q_VI,
+	NL80211_TXQ_Q_BE,
+	NL80211_TXQ_Q_BK
+};
+
+enum nl80211_channel_type {
+	NL80211_CHAN_NO_HT,
+	NL80211_CHAN_HT20,
+	NL80211_CHAN_HT40MINUS,
+	NL80211_CHAN_HT40PLUS
+};
+
+/**
+ * enum nl80211_bss - netlink attributes for a BSS
+ *
+ * @__NL80211_BSS_INVALID: invalid
+ * @NL80211_BSS_BSSID: BSSID of the BSS (6 octets)
+ * @NL80211_BSS_FREQUENCY: frequency in MHz (u32)
+ * @NL80211_BSS_TSF: TSF of the received probe response/beacon (u64)
+ * @NL80211_BSS_BEACON_INTERVAL: beacon interval of the (I)BSS (u16)
+ * @NL80211_BSS_CAPABILITY: capability field (CPU order, u16)
+ * @NL80211_BSS_INFORMATION_ELEMENTS: binary attribute containing the
+ *	raw information elements from the probe response/beacon (bin);
+ *	if the %NL80211_BSS_BEACON_IES attribute is present, the IEs here are
+ *	from a Probe Response frame; otherwise they are from a Beacon frame.
+ *	However, if the driver does not indicate the source of the IEs, these
+ *	IEs may be from either frame subtype.
+ * @NL80211_BSS_SIGNAL_MBM: signal strength of probe response/beacon
+ *	in mBm (100 * dBm) (s32)
+ * @NL80211_BSS_SIGNAL_UNSPEC: signal strength of the probe response/beacon
+ *	in unspecified units, scaled to 0..100 (u8)
+ * @NL80211_BSS_STATUS: status, if this BSS is "used"
+ * @NL80211_BSS_SEEN_MS_AGO: age of this BSS entry in ms
+ * @NL80211_BSS_BEACON_IES: binary attribute containing the raw information
+ *	elements from a Beacon frame (bin); not present if no Beacon frame has
+ *	yet been received
+ * @__NL80211_BSS_AFTER_LAST: internal
+ * @NL80211_BSS_MAX: highest BSS attribute
+ */
+enum nl80211_bss {
+	__NL80211_BSS_INVALID,
+	NL80211_BSS_BSSID,
+	NL80211_BSS_FREQUENCY,
+	NL80211_BSS_TSF,
+	NL80211_BSS_BEACON_INTERVAL,
+	NL80211_BSS_CAPABILITY,
+	NL80211_BSS_INFORMATION_ELEMENTS,
+	NL80211_BSS_SIGNAL_MBM,
+	NL80211_BSS_SIGNAL_UNSPEC,
+	NL80211_BSS_STATUS,
+	NL80211_BSS_SEEN_MS_AGO,
+	NL80211_BSS_BEACON_IES,
+
+	/* keep last */
+	__NL80211_BSS_AFTER_LAST,
+	NL80211_BSS_MAX = __NL80211_BSS_AFTER_LAST - 1
+};
+
+/**
+ * enum nl80211_bss_status - BSS "status"
+ * @NL80211_BSS_STATUS_AUTHENTICATED: Authenticated with this BSS.
+ * @NL80211_BSS_STATUS_ASSOCIATED: Associated with this BSS.
+ * @NL80211_BSS_STATUS_IBSS_JOINED: Joined to this IBSS.
+ *
+ * The BSS status is a BSS attribute in scan dumps, which
+ * indicates the status the interface has wrt. this BSS.
+ */
+enum nl80211_bss_status {
+	NL80211_BSS_STATUS_AUTHENTICATED,
+	NL80211_BSS_STATUS_ASSOCIATED,
+	NL80211_BSS_STATUS_IBSS_JOINED,
+};
+
+/**
+ * enum nl80211_auth_type - AuthenticationType
+ *
+ * @NL80211_AUTHTYPE_OPEN_SYSTEM: Open System authentication
+ * @NL80211_AUTHTYPE_SHARED_KEY: Shared Key authentication (WEP only)
+ * @NL80211_AUTHTYPE_FT: Fast BSS Transition (IEEE 802.11r)
+ * @NL80211_AUTHTYPE_NETWORK_EAP: Network EAP (some Cisco APs and mainly LEAP)
+ * @__NL80211_AUTHTYPE_NUM: internal
+ * @NL80211_AUTHTYPE_MAX: maximum valid auth algorithm
+ * @NL80211_AUTHTYPE_AUTOMATIC: determine automatically (if necessary by
+ *	trying multiple times); this is invalid in netlink -- leave out
+ *	the attribute for this on CONNECT commands.
+ */
+enum nl80211_auth_type {
+	NL80211_AUTHTYPE_OPEN_SYSTEM,
+	NL80211_AUTHTYPE_SHARED_KEY,
+	NL80211_AUTHTYPE_FT,
+	NL80211_AUTHTYPE_NETWORK_EAP,
+
+	/* keep last */
+	__NL80211_AUTHTYPE_NUM,
+	NL80211_AUTHTYPE_MAX = __NL80211_AUTHTYPE_NUM - 1,
+	NL80211_AUTHTYPE_AUTOMATIC
+};
+
+/**
+ * enum nl80211_key_type - Key Type
+ * @NL80211_KEYTYPE_GROUP: Group (broadcast/multicast) key
+ * @NL80211_KEYTYPE_PAIRWISE: Pairwise (unicast/individual) key
+ * @NL80211_KEYTYPE_PEERKEY: PeerKey (DLS)
+ * @NUM_NL80211_KEYTYPES: number of defined key types
+ */
+enum nl80211_key_type {
+	NL80211_KEYTYPE_GROUP,
+	NL80211_KEYTYPE_PAIRWISE,
+	NL80211_KEYTYPE_PEERKEY,
+
+	NUM_NL80211_KEYTYPES
+};
+
+/**
+ * enum nl80211_mfp - Management frame protection state
+ * @NL80211_MFP_NO: Management frame protection not used
+ * @NL80211_MFP_REQUIRED: Management frame protection required
+ */
+enum nl80211_mfp {
+	NL80211_MFP_NO,
+	NL80211_MFP_REQUIRED,
+};
+
+enum nl80211_wpa_versions {
+	NL80211_WPA_VERSION_1 = 1 << 0,
+	NL80211_WPA_VERSION_2 = 1 << 1,
+};
+
+/**
+ * enum nl80211_key_default_types - key default types
+ * @__NL80211_KEY_DEFAULT_TYPE_INVALID: invalid
+ * @NL80211_KEY_DEFAULT_TYPE_UNICAST: key should be used as default
+ *	unicast key
+ * @NL80211_KEY_DEFAULT_TYPE_MULTICAST: key should be used as default
+ *	multicast key
+ * @NUM_NL80211_KEY_DEFAULT_TYPES: number of default types
+ */
+enum nl80211_key_default_types {
+	__NL80211_KEY_DEFAULT_TYPE_INVALID,
+	NL80211_KEY_DEFAULT_TYPE_UNICAST,
+	NL80211_KEY_DEFAULT_TYPE_MULTICAST,
+
+	NUM_NL80211_KEY_DEFAULT_TYPES
+};
+
+/**
+ * enum nl80211_key_attributes - key attributes
+ * @__NL80211_KEY_INVALID: invalid
+ * @NL80211_KEY_DATA: (temporal) key data; for TKIP this consists of
+ *	16 bytes encryption key followed by 8 bytes each for TX and RX MIC
+ *	keys
+ * @NL80211_KEY_IDX: key ID (u8, 0-3)
+ * @NL80211_KEY_CIPHER: key cipher suite (u32, as defined by IEEE 802.11
+ *	section 7.3.2.25.1, e.g. 0x000FAC04)
+ * @NL80211_KEY_SEQ: transmit key sequence number (IV/PN) for TKIP and
+ *	CCMP keys, each six bytes in little endian
+ * @NL80211_KEY_DEFAULT: flag indicating default key
+ * @NL80211_KEY_DEFAULT_MGMT: flag indicating default management key
+ * @NL80211_KEY_TYPE: the key type from enum nl80211_key_type, if not
+ *	specified the default depends on whether a MAC address was
+ *	given with the command using the key or not (u32)
+ * @NL80211_KEY_DEFAULT_TYPES: A nested attribute containing flags
+ *	attributes, specifying what a key should be set as default as.
+ *	See &enum nl80211_key_default_types.
+ * @__NL80211_KEY_AFTER_LAST: internal
+ * @NL80211_KEY_MAX: highest key attribute
+ */
+enum nl80211_key_attributes {
+	__NL80211_KEY_INVALID,
+	NL80211_KEY_DATA,
+	NL80211_KEY_IDX,
+	NL80211_KEY_CIPHER,
+	NL80211_KEY_SEQ,
+	NL80211_KEY_DEFAULT,
+	NL80211_KEY_DEFAULT_MGMT,
+	NL80211_KEY_TYPE,
+	NL80211_KEY_DEFAULT_TYPES,
+
+	/* keep last */
+	__NL80211_KEY_AFTER_LAST,
+	NL80211_KEY_MAX = __NL80211_KEY_AFTER_LAST - 1
+};
+
+/**
+ * enum nl80211_tx_rate_attributes - TX rate set attributes
+ * @__NL80211_TXRATE_INVALID: invalid
+ * @NL80211_TXRATE_LEGACY: Legacy (non-MCS) rates allowed for TX rate selection
+ *	in an array of rates as defined in IEEE 802.11 7.3.2.2 (u8 values with
+ *	1 = 500 kbps) but without the IE length restriction (at most
+ *	%NL80211_MAX_SUPP_RATES in a single array).
+ * @__NL80211_TXRATE_AFTER_LAST: internal
+ * @NL80211_TXRATE_MAX: highest TX rate attribute
+ */
+enum nl80211_tx_rate_attributes {
+	__NL80211_TXRATE_INVALID,
+	NL80211_TXRATE_LEGACY,
+
+	/* keep last */
+	__NL80211_TXRATE_AFTER_LAST,
+	NL80211_TXRATE_MAX = __NL80211_TXRATE_AFTER_LAST - 1
+};
+
+/**
+ * enum nl80211_band - Frequency band
+ * @NL80211_BAND_2GHZ: 2.4 GHz ISM band
+ * @NL80211_BAND_5GHZ: around 5 GHz band (4.9 - 5.7 GHz)
+ */
+enum nl80211_band {
+	NL80211_BAND_2GHZ,
+	NL80211_BAND_5GHZ,
+};
+
+enum nl80211_ps_state {
+	NL80211_PS_DISABLED,
+	NL80211_PS_ENABLED,
+};
+
+/**
+ * enum nl80211_attr_cqm - connection quality monitor attributes
+ * @__NL80211_ATTR_CQM_INVALID: invalid
+ * @NL80211_ATTR_CQM_RSSI_THOLD: RSSI threshold in dBm. This value specifies
+ *	the threshold for the RSSI level at which an event will be sent. Zero
+ *	to disable.
+ * @NL80211_ATTR_CQM_RSSI_HYST: RSSI hysteresis in dBm. This value specifies
+ *	the minimum amount the RSSI level must change after an event before a
+ *	new event may be issued (to reduce effects of RSSI oscillation).
+ * @NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT: RSSI threshold event
+ * @NL80211_ATTR_CQM_PKT_LOSS_EVENT: a u32 value indicating that this many
+ *	consecutive packets were not acknowledged by the peer
+ * @__NL80211_ATTR_CQM_AFTER_LAST: internal
+ * @NL80211_ATTR_CQM_MAX: highest key attribute
+ */
+enum nl80211_attr_cqm {
+	__NL80211_ATTR_CQM_INVALID,
+	NL80211_ATTR_CQM_RSSI_THOLD,
+	NL80211_ATTR_CQM_RSSI_HYST,
+	NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
+	NL80211_ATTR_CQM_PKT_LOSS_EVENT,
+
+	/* keep last */
+	__NL80211_ATTR_CQM_AFTER_LAST,
+	NL80211_ATTR_CQM_MAX = __NL80211_ATTR_CQM_AFTER_LAST - 1
+};
+
+/**
+ * enum nl80211_cqm_rssi_threshold_event - RSSI threshold event
+ * @NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW: The RSSI level is lower than the
+ *      configured threshold
+ * @NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH: The RSSI is higher than the
+ *      configured threshold
+ */
+enum nl80211_cqm_rssi_threshold_event {
+	NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW,
+	NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH,
+};
+
+
+/**
+ * enum nl80211_tx_power_setting - TX power adjustment
+ * @NL80211_TX_POWER_AUTOMATIC: automatically determine transmit power
+ * @NL80211_TX_POWER_LIMITED: limit TX power by the mBm parameter
+ * @NL80211_TX_POWER_FIXED: fix TX power to the mBm parameter
+ */
+enum nl80211_tx_power_setting {
+	NL80211_TX_POWER_AUTOMATIC,
+	NL80211_TX_POWER_LIMITED,
+	NL80211_TX_POWER_FIXED,
+};
+
+#endif /* __LINUX_NL80211_H */
diff --git a/src/drivers/priv_netlink.h b/src/drivers/priv_netlink.h
new file mode 100644
index 0000000..23eff83
--- /dev/null
+++ b/src/drivers/priv_netlink.h
@@ -0,0 +1,113 @@
+/*
+ * wpa_supplicant - Private copy of Linux netlink/rtnetlink definitions.
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef PRIV_NETLINK_H
+#define PRIV_NETLINK_H
+
+/*
+ * This should be replaced with user space header once one is available with C
+ * library, etc..
+ */
+
+#ifndef IFF_LOWER_UP
+#define IFF_LOWER_UP   0x10000         /* driver signals L1 up         */
+#endif
+#ifndef IFF_DORMANT
+#define IFF_DORMANT    0x20000         /* driver signals dormant       */
+#endif
+
+#ifndef IFLA_IFNAME
+#define IFLA_IFNAME 3
+#endif
+#ifndef IFLA_WIRELESS
+#define IFLA_WIRELESS 11
+#endif
+#ifndef IFLA_OPERSTATE
+#define IFLA_OPERSTATE 16
+#endif
+#ifndef IFLA_LINKMODE
+#define IFLA_LINKMODE 17
+#define IF_OPER_DORMANT 5
+#define IF_OPER_UP 6
+#endif
+
+#define NLM_F_REQUEST 1
+
+#define NETLINK_ROUTE 0
+#define RTMGRP_LINK 1
+#define RTM_BASE 0x10
+#define RTM_NEWLINK (RTM_BASE + 0)
+#define RTM_DELLINK (RTM_BASE + 1)
+#define RTM_SETLINK (RTM_BASE + 3)
+
+#define NLMSG_ALIGNTO 4
+#define NLMSG_ALIGN(len) (((len) + NLMSG_ALIGNTO - 1) & ~(NLMSG_ALIGNTO - 1))
+#define NLMSG_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr)))
+#define NLMSG_LENGTH(len) ((len) + NLMSG_ALIGN(sizeof(struct nlmsghdr)))
+#define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len))
+#define NLMSG_DATA(nlh) ((void*) (((char*) nlh) + NLMSG_LENGTH(0)))
+#define NLMSG_NEXT(nlh,len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \
+			     (struct nlmsghdr *) \
+			     (((char *)(nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len)))
+#define NLMSG_OK(nlh,len) ((len) >= (int) sizeof(struct nlmsghdr) && \
+			   (nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \
+			   (int) (nlh)->nlmsg_len <= (len))
+#define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_len - NLMSG_SPACE((len)))
+
+#define RTA_ALIGNTO 4
+#define RTA_ALIGN(len) (((len) + RTA_ALIGNTO - 1) & ~(RTA_ALIGNTO - 1))
+#define RTA_OK(rta,len) \
+((len) > 0 && (rta)->rta_len >= sizeof(struct rtattr) && \
+(rta)->rta_len <= (len))
+#define RTA_NEXT(rta,attrlen) \
+((attrlen) -= RTA_ALIGN((rta)->rta_len), \
+(struct rtattr *) (((char *)(rta)) + RTA_ALIGN((rta)->rta_len)))
+#define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len))
+#define RTA_DATA(rta) ((void *) (((char *) (rta)) + RTA_LENGTH(0)))
+
+
+struct sockaddr_nl
+{
+	sa_family_t nl_family;
+	unsigned short nl_pad;
+	u32 nl_pid;
+	u32 nl_groups;
+};
+
+struct nlmsghdr
+{
+	u32 nlmsg_len;
+	u16 nlmsg_type;
+	u16 nlmsg_flags;
+	u32 nlmsg_seq;
+	u32 nlmsg_pid;
+};
+
+struct ifinfomsg
+{
+	unsigned char ifi_family;
+	unsigned char __ifi_pad;
+	unsigned short ifi_type;
+	int ifi_index;
+	unsigned ifi_flags;
+	unsigned ifi_change;
+};
+
+struct rtattr
+{
+	unsigned short rta_len;
+	unsigned short rta_type;
+};
+
+#endif /* PRIV_NETLINK_H */
diff --git a/src/drivers/rfkill.c b/src/drivers/rfkill.c
new file mode 100644
index 0000000..8818311
--- /dev/null
+++ b/src/drivers/rfkill.c
@@ -0,0 +1,194 @@
+/*
+ * Linux rfkill helper functions for driver wrappers
+ * Copyright (c) 2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <fcntl.h>
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "rfkill.h"
+
+#define RFKILL_EVENT_SIZE_V1 8
+
+struct rfkill_event {
+	u32 idx;
+	u8 type;
+	u8 op;
+	u8 soft;
+	u8 hard;
+} STRUCT_PACKED;
+
+enum rfkill_operation {
+	RFKILL_OP_ADD = 0,
+	RFKILL_OP_DEL,
+	RFKILL_OP_CHANGE,
+	RFKILL_OP_CHANGE_ALL,
+};
+
+enum rfkill_type {
+	RFKILL_TYPE_ALL = 0,
+	RFKILL_TYPE_WLAN,
+	RFKILL_TYPE_BLUETOOTH,
+	RFKILL_TYPE_UWB,
+	RFKILL_TYPE_WIMAX,
+	RFKILL_TYPE_WWAN,
+	RFKILL_TYPE_GPS,
+	RFKILL_TYPE_FM,
+	NUM_RFKILL_TYPES,
+};
+
+
+struct rfkill_data {
+	struct rfkill_config *cfg;
+	int fd;
+	int blocked;
+};
+
+
+static void rfkill_receive(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	struct rfkill_data *rfkill = eloop_ctx;
+	struct rfkill_event event;
+	ssize_t len;
+	int new_blocked;
+
+	len = read(rfkill->fd, &event, sizeof(event));
+	if (len < 0) {
+		wpa_printf(MSG_ERROR, "rfkill: Event read failed: %s",
+			   strerror(errno));
+		return;
+	}
+	if (len != RFKILL_EVENT_SIZE_V1) {
+		wpa_printf(MSG_DEBUG, "rfkill: Unexpected event size "
+			   "%d (expected %d)",
+			   (int) len, RFKILL_EVENT_SIZE_V1);
+		return;
+	}
+	wpa_printf(MSG_DEBUG, "rfkill: event: idx=%u type=%d "
+		   "op=%u soft=%u hard=%u",
+		   event.idx, event.type, event.op, event.soft,
+		   event.hard);
+	if (event.op != RFKILL_OP_CHANGE || event.type != RFKILL_TYPE_WLAN)
+		return;
+
+	if (event.hard) {
+		wpa_printf(MSG_INFO, "rfkill: WLAN hard blocked");
+		new_blocked = 1;
+	} else if (event.soft) {
+		wpa_printf(MSG_INFO, "rfkill: WLAN soft blocked");
+		new_blocked = 1;
+	} else {
+		wpa_printf(MSG_INFO, "rfkill: WLAN unblocked");
+		new_blocked = 0;
+	}
+
+	if (new_blocked != rfkill->blocked) {
+		rfkill->blocked = new_blocked;
+		if (new_blocked)
+			rfkill->cfg->blocked_cb(rfkill->cfg->ctx);
+		else
+			rfkill->cfg->unblocked_cb(rfkill->cfg->ctx);
+	}
+}
+
+
+struct rfkill_data * rfkill_init(struct rfkill_config *cfg)
+{
+	struct rfkill_data *rfkill;
+	struct rfkill_event event;
+	ssize_t len;
+
+	rfkill = os_zalloc(sizeof(*rfkill));
+	if (rfkill == NULL)
+		return NULL;
+
+	rfkill->cfg = cfg;
+	rfkill->fd = open("/dev/rfkill", O_RDONLY);
+	if (rfkill->fd < 0) {
+		wpa_printf(MSG_INFO, "rfkill: Cannot open RFKILL control "
+			   "device");
+		goto fail;
+	}
+
+	if (fcntl(rfkill->fd, F_SETFL, O_NONBLOCK) < 0) {
+		wpa_printf(MSG_ERROR, "rfkill: Cannot set non-blocking mode: "
+			   "%s", strerror(errno));
+		goto fail2;
+	}
+
+	for (;;) {
+		len = read(rfkill->fd, &event, sizeof(event));
+		if (len < 0) {
+			if (errno == EAGAIN)
+				break; /* No more entries */
+			wpa_printf(MSG_ERROR, "rfkill: Event read failed: %s",
+				   strerror(errno));
+			break;
+		}
+		if (len != RFKILL_EVENT_SIZE_V1) {
+			wpa_printf(MSG_DEBUG, "rfkill: Unexpected event size "
+				   "%d (expected %d)",
+				   (int) len, RFKILL_EVENT_SIZE_V1);
+			continue;
+		}
+		wpa_printf(MSG_DEBUG, "rfkill: initial event: idx=%u type=%d "
+			   "op=%u soft=%u hard=%u",
+			   event.idx, event.type, event.op, event.soft,
+			   event.hard);
+		if (event.op != RFKILL_OP_ADD ||
+		    event.type != RFKILL_TYPE_WLAN)
+			continue;
+		if (event.hard) {
+			wpa_printf(MSG_INFO, "rfkill: WLAN hard blocked");
+			rfkill->blocked = 1;
+		} else if (event.soft) {
+			wpa_printf(MSG_INFO, "rfkill: WLAN soft blocked");
+			rfkill->blocked = 1;
+		}
+	}
+
+	eloop_register_read_sock(rfkill->fd, rfkill_receive, rfkill, NULL);
+
+	return rfkill;
+
+fail2:
+	close(rfkill->fd);
+fail:
+	os_free(rfkill);
+	return NULL;
+}
+
+
+void rfkill_deinit(struct rfkill_data *rfkill)
+{
+	if (rfkill == NULL)
+		return;
+
+	if (rfkill->fd >= 0) {
+		eloop_unregister_read_sock(rfkill->fd);
+		close(rfkill->fd);
+	}
+
+	os_free(rfkill->cfg);
+	os_free(rfkill);
+}
+
+
+int rfkill_is_blocked(struct rfkill_data *rfkill)
+{
+	if (rfkill == NULL)
+		return 0;
+
+	return rfkill->blocked;
+}
diff --git a/src/drivers/rfkill.h b/src/drivers/rfkill.h
new file mode 100644
index 0000000..7a984a6
--- /dev/null
+++ b/src/drivers/rfkill.h
@@ -0,0 +1,31 @@
+/*
+ * Linux rfkill helper functions for driver wrappers
+ * Copyright (c) 2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef RFKILL_H
+#define RFKILL_H
+
+struct rfkill_data;
+
+struct rfkill_config {
+	void *ctx;
+	char ifname[IFNAMSIZ];
+	void (*blocked_cb)(void *ctx);
+	void (*unblocked_cb)(void *ctx);
+};
+
+struct rfkill_data * rfkill_init(struct rfkill_config *cfg);
+void rfkill_deinit(struct rfkill_data *rfkill);
+int rfkill_is_blocked(struct rfkill_data *rfkill);
+
+#endif /* RFKILL_H */
diff --git a/src/drivers/wireless_copy.h b/src/drivers/wireless_copy.h
new file mode 100644
index 0000000..201719b
--- /dev/null
+++ b/src/drivers/wireless_copy.h
@@ -0,0 +1,1185 @@
+/* This is based on Linux Wireless Extensions header file from WIRELESS_EXT 22.
+ * I have just removed kernel related headers and added some typedefs etc. to
+ * make this easier to include into user space programs.
+ * Jouni Malinen, 2005-03-12.
+ */
+
+
+/*
+ * This file define a set of standard wireless extensions
+ *
+ * Version :	22	16.3.07
+ *
+ * Authors :	Jean Tourrilhes - HPL - <jt@hpl.hp.com>
+ * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved.
+ */
+
+#ifndef _LINUX_WIRELESS_H
+#define _LINUX_WIRELESS_H
+
+/************************** DOCUMENTATION **************************/
+/*
+ * Initial APIs (1996 -> onward) :
+ * -----------------------------
+ * Basically, the wireless extensions are for now a set of standard ioctl
+ * call + /proc/net/wireless
+ *
+ * The entry /proc/net/wireless give statistics and information on the
+ * driver.
+ * This is better than having each driver having its entry because
+ * its centralised and we may remove the driver module safely.
+ *
+ * Ioctl are used to configure the driver and issue commands.  This is
+ * better than command line options of insmod because we may want to
+ * change dynamically (while the driver is running) some parameters.
+ *
+ * The ioctl mechanimsm are copied from standard devices ioctl.
+ * We have the list of command plus a structure descibing the
+ * data exchanged...
+ * Note that to add these ioctl, I was obliged to modify :
+ *	# net/core/dev.c (two place + add include)
+ *	# net/ipv4/af_inet.c (one place + add include)
+ *
+ * /proc/net/wireless is a copy of /proc/net/dev.
+ * We have a structure for data passed from the driver to /proc/net/wireless
+ * Too add this, I've modified :
+ *	# net/core/dev.c (two other places)
+ *	# include/linux/netdevice.h (one place)
+ *	# include/linux/proc_fs.h (one place)
+ *
+ * New driver API (2002 -> onward) :
+ * -------------------------------
+ * This file is only concerned with the user space API and common definitions.
+ * The new driver API is defined and documented in :
+ *	# include/net/iw_handler.h
+ *
+ * Note as well that /proc/net/wireless implementation has now moved in :
+ *	# net/core/wireless.c
+ *
+ * Wireless Events (2002 -> onward) :
+ * --------------------------------
+ * Events are defined at the end of this file, and implemented in :
+ *	# net/core/wireless.c
+ *
+ * Other comments :
+ * --------------
+ * Do not add here things that are redundant with other mechanisms
+ * (drivers init, ifconfig, /proc/net/dev, ...) and with are not
+ * wireless specific.
+ *
+ * These wireless extensions are not magic : each driver has to provide
+ * support for them...
+ *
+ * IMPORTANT NOTE : As everything in the kernel, this is very much a
+ * work in progress. Contact me if you have ideas of improvements...
+ */
+
+/***************************** INCLUDES *****************************/
+
+ /* jkm - replaced linux headers with C library headers, added typedefs */
+#if 0
+#include <linux/types.h>		/* for __u* and __s* typedefs */
+#include <linux/socket.h>		/* for "struct sockaddr" et al	*/
+#include <linux/if.h>			/* for IFNAMSIZ and co... */
+#else
+#include <sys/types.h>
+#include <net/if.h>
+#ifndef ANDROID
+typedef __uint32_t __u32;
+typedef __int32_t __s32;
+typedef __uint16_t __u16;
+typedef __int16_t __s16;
+typedef __uint8_t __u8;
+#endif /* ANDROID */
+#ifndef __user
+#define __user
+#endif /* __user */
+#endif
+
+/***************************** VERSION *****************************/
+/*
+ * This constant is used to know the availability of the wireless
+ * extensions and to know which version of wireless extensions it is
+ * (there is some stuff that will be added in the future...)
+ * I just plan to increment with each new version.
+ */
+#define WIRELESS_EXT	22
+
+/*
+ * Changes :
+ *
+ * V2 to V3
+ * --------
+ *	Alan Cox start some incompatibles changes. I've integrated a bit more.
+ *	- Encryption renamed to Encode to avoid US regulation problems
+ *	- Frequency changed from float to struct to avoid problems on old 386
+ *
+ * V3 to V4
+ * --------
+ *	- Add sensitivity
+ *
+ * V4 to V5
+ * --------
+ *	- Missing encoding definitions in range
+ *	- Access points stuff
+ *
+ * V5 to V6
+ * --------
+ *	- 802.11 support (ESSID ioctls)
+ *
+ * V6 to V7
+ * --------
+ *	- define IW_ESSID_MAX_SIZE and IW_MAX_AP
+ *
+ * V7 to V8
+ * --------
+ *	- Changed my e-mail address
+ *	- More 802.11 support (nickname, rate, rts, frag)
+ *	- List index in frequencies
+ *
+ * V8 to V9
+ * --------
+ *	- Support for 'mode of operation' (ad-hoc, managed...)
+ *	- Support for unicast and multicast power saving
+ *	- Change encoding to support larger tokens (>64 bits)
+ *	- Updated iw_params (disable, flags) and use it for NWID
+ *	- Extracted iw_point from iwreq for clarity
+ *
+ * V9 to V10
+ * ---------
+ *	- Add PM capability to range structure
+ *	- Add PM modifier : MAX/MIN/RELATIVE
+ *	- Add encoding option : IW_ENCODE_NOKEY
+ *	- Add TxPower ioctls (work like TxRate)
+ *
+ * V10 to V11
+ * ----------
+ *	- Add WE version in range (help backward/forward compatibility)
+ *	- Add retry ioctls (work like PM)
+ *
+ * V11 to V12
+ * ----------
+ *	- Add SIOCSIWSTATS to get /proc/net/wireless programatically
+ *	- Add DEV PRIVATE IOCTL to avoid collisions in SIOCDEVPRIVATE space
+ *	- Add new statistics (frag, retry, beacon)
+ *	- Add average quality (for user space calibration)
+ *
+ * V12 to V13
+ * ----------
+ *	- Document creation of new driver API.
+ *	- Extract union iwreq_data from struct iwreq (for new driver API).
+ *	- Rename SIOCSIWNAME as SIOCSIWCOMMIT
+ *
+ * V13 to V14
+ * ----------
+ *	- Wireless Events support : define struct iw_event
+ *	- Define additional specific event numbers
+ *	- Add "addr" and "param" fields in union iwreq_data
+ *	- AP scanning stuff (SIOCSIWSCAN and friends)
+ *
+ * V14 to V15
+ * ----------
+ *	- Add IW_PRIV_TYPE_ADDR for struct sockaddr private arg
+ *	- Make struct iw_freq signed (both m & e), add explicit padding
+ *	- Add IWEVCUSTOM for driver specific event/scanning token
+ *	- Add IW_MAX_GET_SPY for driver returning a lot of addresses
+ *	- Add IW_TXPOW_RANGE for range of Tx Powers
+ *	- Add IWEVREGISTERED & IWEVEXPIRED events for Access Points
+ *	- Add IW_MODE_MONITOR for passive monitor
+ *
+ * V15 to V16
+ * ----------
+ *	- Increase the number of bitrates in iw_range to 32 (for 802.11g)
+ *	- Increase the number of frequencies in iw_range to 32 (for 802.11b+a)
+ *	- Reshuffle struct iw_range for increases, add filler
+ *	- Increase IW_MAX_AP to 64 for driver returning a lot of addresses
+ *	- Remove IW_MAX_GET_SPY because conflict with enhanced spy support
+ *	- Add SIOCSIWTHRSPY/SIOCGIWTHRSPY and "struct iw_thrspy"
+ *	- Add IW_ENCODE_TEMP and iw_range->encoding_login_index
+ *
+ * V16 to V17
+ * ----------
+ *	- Add flags to frequency -> auto/fixed
+ *	- Document (struct iw_quality *)->updated, add new flags (INVALID)
+ *	- Wireless Event capability in struct iw_range
+ *	- Add support for relative TxPower (yick !)
+ *
+ * V17 to V18 (From Jouni Malinen <j@w1.fi>)
+ * ----------
+ *	- Add support for WPA/WPA2
+ *	- Add extended encoding configuration (SIOCSIWENCODEEXT and
+ *	  SIOCGIWENCODEEXT)
+ *	- Add SIOCSIWGENIE/SIOCGIWGENIE
+ *	- Add SIOCSIWMLME
+ *	- Add SIOCSIWPMKSA
+ *	- Add struct iw_range bit field for supported encoding capabilities
+ *	- Add optional scan request parameters for SIOCSIWSCAN
+ *	- Add SIOCSIWAUTH/SIOCGIWAUTH for setting authentication and WPA
+ *	  related parameters (extensible up to 4096 parameter values)
+ *	- Add wireless events: IWEVGENIE, IWEVMICHAELMICFAILURE,
+ *	  IWEVASSOCREQIE, IWEVASSOCRESPIE, IWEVPMKIDCAND
+ *
+ * V18 to V19
+ * ----------
+ *	- Remove (struct iw_point *)->pointer from events and streams
+ *	- Remove header includes to help user space
+ *	- Increase IW_ENCODING_TOKEN_MAX from 32 to 64
+ *	- Add IW_QUAL_ALL_UPDATED and IW_QUAL_ALL_INVALID macros
+ *	- Add explicit flag to tell stats are in dBm : IW_QUAL_DBM
+ *	- Add IW_IOCTL_IDX() and IW_EVENT_IDX() macros
+ *
+ * V19 to V20
+ * ----------
+ *	- RtNetlink requests support (SET/GET)
+ *
+ * V20 to V21
+ * ----------
+ *	- Remove (struct net_device *)->get_wireless_stats()
+ *	- Change length in ESSID and NICK to strlen() instead of strlen()+1
+ *	- Add IW_RETRY_SHORT/IW_RETRY_LONG retry modifiers
+ *	- Power/Retry relative values no longer * 100000
+ *	- Add explicit flag to tell stats are in 802.11k RCPI : IW_QUAL_RCPI
+ *
+ * V21 to V22
+ * ----------
+ *	- Prevent leaking of kernel space in stream on 64 bits.
+ */
+
+/**************************** CONSTANTS ****************************/
+
+/* -------------------------- IOCTL LIST -------------------------- */
+
+/* Wireless Identification */
+#define SIOCSIWCOMMIT	0x8B00		/* Commit pending changes to driver */
+#define SIOCGIWNAME	0x8B01		/* get name == wireless protocol */
+/* SIOCGIWNAME is used to verify the presence of Wireless Extensions.
+ * Common values : "IEEE 802.11-DS", "IEEE 802.11-FH", "IEEE 802.11b"...
+ * Don't put the name of your driver there, it's useless. */
+
+/* Basic operations */
+#define SIOCSIWNWID	0x8B02		/* set network id (pre-802.11) */
+#define SIOCGIWNWID	0x8B03		/* get network id (the cell) */
+#define SIOCSIWFREQ	0x8B04		/* set channel/frequency (Hz) */
+#define SIOCGIWFREQ	0x8B05		/* get channel/frequency (Hz) */
+#define SIOCSIWMODE	0x8B06		/* set operation mode */
+#define SIOCGIWMODE	0x8B07		/* get operation mode */
+#define SIOCSIWSENS	0x8B08		/* set sensitivity (dBm) */
+#define SIOCGIWSENS	0x8B09		/* get sensitivity (dBm) */
+
+/* Informative stuff */
+#define SIOCSIWRANGE	0x8B0A		/* Unused */
+#define SIOCGIWRANGE	0x8B0B		/* Get range of parameters */
+#define SIOCSIWPRIV	0x8B0C		/* Unused */
+#define SIOCGIWPRIV	0x8B0D		/* get private ioctl interface info */
+#define SIOCSIWSTATS	0x8B0E		/* Unused */
+#define SIOCGIWSTATS	0x8B0F		/* Get /proc/net/wireless stats */
+/* SIOCGIWSTATS is strictly used between user space and the kernel, and
+ * is never passed to the driver (i.e. the driver will never see it). */
+
+/* Spy support (statistics per MAC address - used for Mobile IP support) */
+#define SIOCSIWSPY	0x8B10		/* set spy addresses */
+#define SIOCGIWSPY	0x8B11		/* get spy info (quality of link) */
+#define SIOCSIWTHRSPY	0x8B12		/* set spy threshold (spy event) */
+#define SIOCGIWTHRSPY	0x8B13		/* get spy threshold */
+
+/* Access Point manipulation */
+#define SIOCSIWAP	0x8B14		/* set access point MAC addresses */
+#define SIOCGIWAP	0x8B15		/* get access point MAC addresses */
+#define SIOCGIWAPLIST	0x8B17		/* Deprecated in favor of scanning */
+#define SIOCSIWSCAN	0x8B18		/* trigger scanning (list cells) */
+#define SIOCGIWSCAN	0x8B19		/* get scanning results */
+
+/* 802.11 specific support */
+#define SIOCSIWESSID	0x8B1A		/* set ESSID (network name) */
+#define SIOCGIWESSID	0x8B1B		/* get ESSID */
+#define SIOCSIWNICKN	0x8B1C		/* set node name/nickname */
+#define SIOCGIWNICKN	0x8B1D		/* get node name/nickname */
+/* As the ESSID and NICKN are strings up to 32 bytes long, it doesn't fit
+ * within the 'iwreq' structure, so we need to use the 'data' member to
+ * point to a string in user space, like it is done for RANGE... */
+
+/* Other parameters useful in 802.11 and some other devices */
+#define SIOCSIWRATE	0x8B20		/* set default bit rate (bps) */
+#define SIOCGIWRATE	0x8B21		/* get default bit rate (bps) */
+#define SIOCSIWRTS	0x8B22		/* set RTS/CTS threshold (bytes) */
+#define SIOCGIWRTS	0x8B23		/* get RTS/CTS threshold (bytes) */
+#define SIOCSIWFRAG	0x8B24		/* set fragmentation thr (bytes) */
+#define SIOCGIWFRAG	0x8B25		/* get fragmentation thr (bytes) */
+#define SIOCSIWTXPOW	0x8B26		/* set transmit power (dBm) */
+#define SIOCGIWTXPOW	0x8B27		/* get transmit power (dBm) */
+#define SIOCSIWRETRY	0x8B28		/* set retry limits and lifetime */
+#define SIOCGIWRETRY	0x8B29		/* get retry limits and lifetime */
+
+/* Encoding stuff (scrambling, hardware security, WEP...) */
+#define SIOCSIWENCODE	0x8B2A		/* set encoding token & mode */
+#define SIOCGIWENCODE	0x8B2B		/* get encoding token & mode */
+/* Power saving stuff (power management, unicast and multicast) */
+#define SIOCSIWPOWER	0x8B2C		/* set Power Management settings */
+#define SIOCGIWPOWER	0x8B2D		/* get Power Management settings */
+
+/* WPA : Generic IEEE 802.11 informatiom element (e.g., for WPA/RSN/WMM).
+ * This ioctl uses struct iw_point and data buffer that includes IE id and len
+ * fields. More than one IE may be included in the request. Setting the generic
+ * IE to empty buffer (len=0) removes the generic IE from the driver. Drivers
+ * are allowed to generate their own WPA/RSN IEs, but in these cases, drivers
+ * are required to report the used IE as a wireless event, e.g., when
+ * associating with an AP. */
+#define SIOCSIWGENIE	0x8B30		/* set generic IE */
+#define SIOCGIWGENIE	0x8B31		/* get generic IE */
+
+/* WPA : IEEE 802.11 MLME requests */
+#define SIOCSIWMLME	0x8B16		/* request MLME operation; uses
+					 * struct iw_mlme */
+/* WPA : Authentication mode parameters */
+#define SIOCSIWAUTH	0x8B32		/* set authentication mode params */
+#define SIOCGIWAUTH	0x8B33		/* get authentication mode params */
+
+/* WPA : Extended version of encoding configuration */
+#define SIOCSIWENCODEEXT 0x8B34		/* set encoding token & mode */
+#define SIOCGIWENCODEEXT 0x8B35		/* get encoding token & mode */
+
+/* WPA2 : PMKSA cache management */
+#define SIOCSIWPMKSA	0x8B36		/* PMKSA cache operation */
+
+/* -------------------- DEV PRIVATE IOCTL LIST -------------------- */
+
+/* These 32 ioctl are wireless device private, for 16 commands.
+ * Each driver is free to use them for whatever purpose it chooses,
+ * however the driver *must* export the description of those ioctls
+ * with SIOCGIWPRIV and *must* use arguments as defined below.
+ * If you don't follow those rules, DaveM is going to hate you (reason :
+ * it make mixed 32/64bit operation impossible).
+ */
+#define SIOCIWFIRSTPRIV	0x8BE0
+#define SIOCIWLASTPRIV	0x8BFF
+/* Previously, we were using SIOCDEVPRIVATE, but we now have our
+ * separate range because of collisions with other tools such as
+ * 'mii-tool'.
+ * We now have 32 commands, so a bit more space ;-).
+ * Also, all 'even' commands are only usable by root and don't return the
+ * content of ifr/iwr to user (but you are not obliged to use the set/get
+ * convention, just use every other two command). More details in iwpriv.c.
+ * And I repeat : you are not forced to use them with iwpriv, but you
+ * must be compliant with it.
+ */
+
+/* ------------------------- IOCTL STUFF ------------------------- */
+
+/* The first and the last (range) */
+#define SIOCIWFIRST	0x8B00
+#define SIOCIWLAST	SIOCIWLASTPRIV		/* 0x8BFF */
+#define IW_IOCTL_IDX(cmd)	((cmd) - SIOCIWFIRST)
+#define IW_HANDLER(id, func)			\
+	[IW_IOCTL_IDX(id)] = func
+
+/* Odd : get (world access), even : set (root access) */
+#define IW_IS_SET(cmd)	(!((cmd) & 0x1))
+#define IW_IS_GET(cmd)	((cmd) & 0x1)
+
+/* ----------------------- WIRELESS EVENTS ----------------------- */
+/* Those are *NOT* ioctls, do not issue request on them !!! */
+/* Most events use the same identifier as ioctl requests */
+
+#define IWEVTXDROP	0x8C00		/* Packet dropped to excessive retry */
+#define IWEVQUAL	0x8C01		/* Quality part of statistics (scan) */
+#define IWEVCUSTOM	0x8C02		/* Driver specific ascii string */
+#define IWEVREGISTERED	0x8C03		/* Discovered a new node (AP mode) */
+#define IWEVEXPIRED	0x8C04		/* Expired a node (AP mode) */
+#define IWEVGENIE	0x8C05		/* Generic IE (WPA, RSN, WMM, ..)
+					 * (scan results); This includes id and
+					 * length fields. One IWEVGENIE may
+					 * contain more than one IE. Scan
+					 * results may contain one or more
+					 * IWEVGENIE events. */
+#define IWEVMICHAELMICFAILURE 0x8C06	/* Michael MIC failure
+					 * (struct iw_michaelmicfailure)
+					 */
+#define IWEVASSOCREQIE	0x8C07		/* IEs used in (Re)Association Request.
+					 * The data includes id and length
+					 * fields and may contain more than one
+					 * IE. This event is required in
+					 * Managed mode if the driver
+					 * generates its own WPA/RSN IE. This
+					 * should be sent just before
+					 * IWEVREGISTERED event for the
+					 * association. */
+#define IWEVASSOCRESPIE	0x8C08		/* IEs used in (Re)Association
+					 * Response. The data includes id and
+					 * length fields and may contain more
+					 * than one IE. This may be sent
+					 * between IWEVASSOCREQIE and
+					 * IWEVREGISTERED events for the
+					 * association. */
+#define IWEVPMKIDCAND	0x8C09		/* PMKID candidate for RSN
+					 * pre-authentication
+					 * (struct iw_pmkid_cand) */
+
+#define IWEVFIRST	0x8C00
+#define IW_EVENT_IDX(cmd)	((cmd) - IWEVFIRST)
+
+/* ------------------------- PRIVATE INFO ------------------------- */
+/*
+ * The following is used with SIOCGIWPRIV. It allow a driver to define
+ * the interface (name, type of data) for its private ioctl.
+ * Privates ioctl are SIOCIWFIRSTPRIV -> SIOCIWLASTPRIV
+ */
+
+#define IW_PRIV_TYPE_MASK	0x7000	/* Type of arguments */
+#define IW_PRIV_TYPE_NONE	0x0000
+#define IW_PRIV_TYPE_BYTE	0x1000	/* Char as number */
+#define IW_PRIV_TYPE_CHAR	0x2000	/* Char as character */
+#define IW_PRIV_TYPE_INT	0x4000	/* 32 bits int */
+#define IW_PRIV_TYPE_FLOAT	0x5000	/* struct iw_freq */
+#define IW_PRIV_TYPE_ADDR	0x6000	/* struct sockaddr */
+
+#define IW_PRIV_SIZE_FIXED	0x0800	/* Variable or fixed number of args */
+
+#define IW_PRIV_SIZE_MASK	0x07FF	/* Max number of those args */
+
+/*
+ * Note : if the number of args is fixed and the size < 16 octets,
+ * instead of passing a pointer we will put args in the iwreq struct...
+ */
+
+/* ----------------------- OTHER CONSTANTS ----------------------- */
+
+/* Maximum frequencies in the range struct */
+#define IW_MAX_FREQUENCIES	32
+/* Note : if you have something like 80 frequencies,
+ * don't increase this constant and don't fill the frequency list.
+ * The user will be able to set by channel anyway... */
+
+/* Maximum bit rates in the range struct */
+#define IW_MAX_BITRATES		32
+
+/* Maximum tx powers in the range struct */
+#define IW_MAX_TXPOWER		8
+/* Note : if you more than 8 TXPowers, just set the max and min or
+ * a few of them in the struct iw_range. */
+
+/* Maximum of address that you may set with SPY */
+#define IW_MAX_SPY		8
+
+/* Maximum of address that you may get in the
+   list of access points in range */
+#define IW_MAX_AP		64
+
+/* Maximum size of the ESSID and NICKN strings */
+#define IW_ESSID_MAX_SIZE	32
+
+/* Modes of operation */
+#define IW_MODE_AUTO	0	/* Let the driver decides */
+#define IW_MODE_ADHOC	1	/* Single cell network */
+#define IW_MODE_INFRA	2	/* Multi cell network, roaming, ... */
+#define IW_MODE_MASTER	3	/* Synchronisation master or Access Point */
+#define IW_MODE_REPEAT	4	/* Wireless Repeater (forwarder) */
+#define IW_MODE_SECOND	5	/* Secondary master/repeater (backup) */
+#define IW_MODE_MONITOR	6	/* Passive monitor (listen only) */
+#define IW_MODE_MESH	7	/* Mesh (IEEE 802.11s) network */
+
+/* Statistics flags (bitmask in updated) */
+#define IW_QUAL_QUAL_UPDATED	0x01	/* Value was updated since last read */
+#define IW_QUAL_LEVEL_UPDATED	0x02
+#define IW_QUAL_NOISE_UPDATED	0x04
+#define IW_QUAL_ALL_UPDATED	0x07
+#define IW_QUAL_DBM		0x08	/* Level + Noise are dBm */
+#define IW_QUAL_QUAL_INVALID	0x10	/* Driver doesn't provide value */
+#define IW_QUAL_LEVEL_INVALID	0x20
+#define IW_QUAL_NOISE_INVALID	0x40
+#define IW_QUAL_RCPI		0x80	/* Level + Noise are 802.11k RCPI */
+#define IW_QUAL_ALL_INVALID	0x70
+
+/* Frequency flags */
+#define IW_FREQ_AUTO		0x00	/* Let the driver decides */
+#define IW_FREQ_FIXED		0x01	/* Force a specific value */
+
+/* Maximum number of size of encoding token available
+ * they are listed in the range structure */
+#define IW_MAX_ENCODING_SIZES	8
+
+/* Maximum size of the encoding token in bytes */
+#define IW_ENCODING_TOKEN_MAX	64	/* 512 bits (for now) */
+
+/* Flags for encoding (along with the token) */
+#define IW_ENCODE_INDEX		0x00FF	/* Token index (if needed) */
+#define IW_ENCODE_FLAGS		0xFF00	/* Flags defined below */
+#define IW_ENCODE_MODE		0xF000	/* Modes defined below */
+#define IW_ENCODE_DISABLED	0x8000	/* Encoding disabled */
+#define IW_ENCODE_ENABLED	0x0000	/* Encoding enabled */
+#define IW_ENCODE_RESTRICTED	0x4000	/* Refuse non-encoded packets */
+#define IW_ENCODE_OPEN		0x2000	/* Accept non-encoded packets */
+#define IW_ENCODE_NOKEY		0x0800  /* Key is write only, so not present */
+#define IW_ENCODE_TEMP		0x0400  /* Temporary key */
+
+/* Power management flags available (along with the value, if any) */
+#define IW_POWER_ON		0x0000	/* No details... */
+#define IW_POWER_TYPE		0xF000	/* Type of parameter */
+#define IW_POWER_PERIOD		0x1000	/* Value is a period/duration of  */
+#define IW_POWER_TIMEOUT	0x2000	/* Value is a timeout (to go asleep) */
+#define IW_POWER_MODE		0x0F00	/* Power Management mode */
+#define IW_POWER_UNICAST_R	0x0100	/* Receive only unicast messages */
+#define IW_POWER_MULTICAST_R	0x0200	/* Receive only multicast messages */
+#define IW_POWER_ALL_R		0x0300	/* Receive all messages though PM */
+#define IW_POWER_FORCE_S	0x0400	/* Force PM procedure for sending unicast */
+#define IW_POWER_REPEATER	0x0800	/* Repeat broadcast messages in PM period */
+#define IW_POWER_MODIFIER	0x000F	/* Modify a parameter */
+#define IW_POWER_MIN		0x0001	/* Value is a minimum  */
+#define IW_POWER_MAX		0x0002	/* Value is a maximum */
+#define IW_POWER_RELATIVE	0x0004	/* Value is not in seconds/ms/us */
+
+/* Transmit Power flags available */
+#define IW_TXPOW_TYPE		0x00FF	/* Type of value */
+#define IW_TXPOW_DBM		0x0000	/* Value is in dBm */
+#define IW_TXPOW_MWATT		0x0001	/* Value is in mW */
+#define IW_TXPOW_RELATIVE	0x0002	/* Value is in arbitrary units */
+#define IW_TXPOW_RANGE		0x1000	/* Range of value between min/max */
+
+/* Retry limits and lifetime flags available */
+#define IW_RETRY_ON		0x0000	/* No details... */
+#define IW_RETRY_TYPE		0xF000	/* Type of parameter */
+#define IW_RETRY_LIMIT		0x1000	/* Maximum number of retries*/
+#define IW_RETRY_LIFETIME	0x2000	/* Maximum duration of retries in us */
+#define IW_RETRY_MODIFIER	0x00FF	/* Modify a parameter */
+#define IW_RETRY_MIN		0x0001	/* Value is a minimum  */
+#define IW_RETRY_MAX		0x0002	/* Value is a maximum */
+#define IW_RETRY_RELATIVE	0x0004	/* Value is not in seconds/ms/us */
+#define IW_RETRY_SHORT		0x0010	/* Value is for short packets  */
+#define IW_RETRY_LONG		0x0020	/* Value is for long packets */
+
+/* Scanning request flags */
+#define IW_SCAN_DEFAULT		0x0000	/* Default scan of the driver */
+#define IW_SCAN_ALL_ESSID	0x0001	/* Scan all ESSIDs */
+#define IW_SCAN_THIS_ESSID	0x0002	/* Scan only this ESSID */
+#define IW_SCAN_ALL_FREQ	0x0004	/* Scan all Frequencies */
+#define IW_SCAN_THIS_FREQ	0x0008	/* Scan only this Frequency */
+#define IW_SCAN_ALL_MODE	0x0010	/* Scan all Modes */
+#define IW_SCAN_THIS_MODE	0x0020	/* Scan only this Mode */
+#define IW_SCAN_ALL_RATE	0x0040	/* Scan all Bit-Rates */
+#define IW_SCAN_THIS_RATE	0x0080	/* Scan only this Bit-Rate */
+/* struct iw_scan_req scan_type */
+#define IW_SCAN_TYPE_ACTIVE 0
+#define IW_SCAN_TYPE_PASSIVE 1
+/* Maximum size of returned data */
+#define IW_SCAN_MAX_DATA	4096	/* In bytes */
+
+/* Scan capability flags - in (struct iw_range *)->scan_capa */
+#define IW_SCAN_CAPA_NONE		0x00
+#define IW_SCAN_CAPA_ESSID		0x01
+#define IW_SCAN_CAPA_BSSID		0x02
+#define IW_SCAN_CAPA_CHANNEL	0x04
+#define IW_SCAN_CAPA_MODE		0x08
+#define IW_SCAN_CAPA_RATE		0x10
+#define IW_SCAN_CAPA_TYPE		0x20
+#define IW_SCAN_CAPA_TIME		0x40
+
+/* Max number of char in custom event - use multiple of them if needed */
+#define IW_CUSTOM_MAX		256	/* In bytes */
+
+/* Generic information element */
+#define IW_GENERIC_IE_MAX	1024
+
+/* MLME requests (SIOCSIWMLME / struct iw_mlme) */
+#define IW_MLME_DEAUTH		0
+#define IW_MLME_DISASSOC	1
+#define IW_MLME_AUTH		2
+#define IW_MLME_ASSOC		3
+
+/* SIOCSIWAUTH/SIOCGIWAUTH struct iw_param flags */
+#define IW_AUTH_INDEX		0x0FFF
+#define IW_AUTH_FLAGS		0xF000
+/* SIOCSIWAUTH/SIOCGIWAUTH parameters (0 .. 4095)
+ * (IW_AUTH_INDEX mask in struct iw_param flags; this is the index of the
+ * parameter that is being set/get to; value will be read/written to
+ * struct iw_param value field) */
+#define IW_AUTH_WPA_VERSION		0
+#define IW_AUTH_CIPHER_PAIRWISE		1
+#define IW_AUTH_CIPHER_GROUP		2
+#define IW_AUTH_KEY_MGMT		3
+#define IW_AUTH_TKIP_COUNTERMEASURES	4
+#define IW_AUTH_DROP_UNENCRYPTED	5
+#define IW_AUTH_80211_AUTH_ALG		6
+#define IW_AUTH_WPA_ENABLED		7
+#define IW_AUTH_RX_UNENCRYPTED_EAPOL	8
+#define IW_AUTH_ROAMING_CONTROL		9
+#define IW_AUTH_PRIVACY_INVOKED		10
+#define IW_AUTH_CIPHER_GROUP_MGMT	11
+#define IW_AUTH_MFP			12
+
+/* IW_AUTH_WPA_VERSION values (bit field) */
+#define IW_AUTH_WPA_VERSION_DISABLED	0x00000001
+#define IW_AUTH_WPA_VERSION_WPA		0x00000002
+#define IW_AUTH_WPA_VERSION_WPA2	0x00000004
+
+/* IW_AUTH_PAIRWISE_CIPHER, IW_AUTH_GROUP_CIPHER, and IW_AUTH_CIPHER_GROUP_MGMT
+ * values (bit field) */
+#define IW_AUTH_CIPHER_NONE	0x00000001
+#define IW_AUTH_CIPHER_WEP40	0x00000002
+#define IW_AUTH_CIPHER_TKIP	0x00000004
+#define IW_AUTH_CIPHER_CCMP	0x00000008
+#define IW_AUTH_CIPHER_WEP104	0x00000010
+#define IW_AUTH_CIPHER_AES_CMAC	0x00000020
+
+/* IW_AUTH_KEY_MGMT values (bit field) */
+#define IW_AUTH_KEY_MGMT_802_1X	1
+#define IW_AUTH_KEY_MGMT_PSK	2
+
+/* IW_AUTH_80211_AUTH_ALG values (bit field) */
+#define IW_AUTH_ALG_OPEN_SYSTEM	0x00000001
+#define IW_AUTH_ALG_SHARED_KEY	0x00000002
+#define IW_AUTH_ALG_LEAP	0x00000004
+
+/* IW_AUTH_ROAMING_CONTROL values */
+#define IW_AUTH_ROAMING_ENABLE	0	/* driver/firmware based roaming */
+#define IW_AUTH_ROAMING_DISABLE	1	/* user space program used for roaming
+					 * control */
+
+/* IW_AUTH_MFP (management frame protection) values */
+#define IW_AUTH_MFP_DISABLED	0	/* MFP disabled */
+#define IW_AUTH_MFP_OPTIONAL	1	/* MFP optional */
+#define IW_AUTH_MFP_REQUIRED	2	/* MFP required */
+
+/* SIOCSIWENCODEEXT definitions */
+#define IW_ENCODE_SEQ_MAX_SIZE	8
+/* struct iw_encode_ext ->alg */
+#define IW_ENCODE_ALG_NONE	0
+#define IW_ENCODE_ALG_WEP	1
+#define IW_ENCODE_ALG_TKIP	2
+#define IW_ENCODE_ALG_CCMP	3
+#define IW_ENCODE_ALG_PMK	4
+#define IW_ENCODE_ALG_AES_CMAC	5
+/* struct iw_encode_ext ->ext_flags */
+#define IW_ENCODE_EXT_TX_SEQ_VALID	0x00000001
+#define IW_ENCODE_EXT_RX_SEQ_VALID	0x00000002
+#define IW_ENCODE_EXT_GROUP_KEY		0x00000004
+#define IW_ENCODE_EXT_SET_TX_KEY	0x00000008
+
+/* IWEVMICHAELMICFAILURE : struct iw_michaelmicfailure ->flags */
+#define IW_MICFAILURE_KEY_ID	0x00000003 /* Key ID 0..3 */
+#define IW_MICFAILURE_GROUP	0x00000004
+#define IW_MICFAILURE_PAIRWISE	0x00000008
+#define IW_MICFAILURE_STAKEY	0x00000010
+#define IW_MICFAILURE_COUNT	0x00000060 /* 1 or 2 (0 = count not supported)
+					    */
+
+/* Bit field values for enc_capa in struct iw_range */
+#define IW_ENC_CAPA_WPA		0x00000001
+#define IW_ENC_CAPA_WPA2	0x00000002
+#define IW_ENC_CAPA_CIPHER_TKIP	0x00000004
+#define IW_ENC_CAPA_CIPHER_CCMP	0x00000008
+#define IW_ENC_CAPA_4WAY_HANDSHAKE	0x00000010
+
+/* Event capability macros - in (struct iw_range *)->event_capa
+ * Because we have more than 32 possible events, we use an array of
+ * 32 bit bitmasks. Note : 32 bits = 0x20 = 2^5. */
+#define IW_EVENT_CAPA_BASE(cmd)		((cmd >= SIOCIWFIRSTPRIV) ? \
+					 (cmd - SIOCIWFIRSTPRIV + 0x60) : \
+					 (cmd - SIOCIWFIRST))
+#define IW_EVENT_CAPA_INDEX(cmd)	(IW_EVENT_CAPA_BASE(cmd) >> 5)
+#define IW_EVENT_CAPA_MASK(cmd)		(1 << (IW_EVENT_CAPA_BASE(cmd) & 0x1F))
+/* Event capability constants - event autogenerated by the kernel
+ * This list is valid for most 802.11 devices, customise as needed... */
+#define IW_EVENT_CAPA_K_0	(IW_EVENT_CAPA_MASK(0x8B04) | \
+				 IW_EVENT_CAPA_MASK(0x8B06) | \
+				 IW_EVENT_CAPA_MASK(0x8B1A))
+#define IW_EVENT_CAPA_K_1	(IW_EVENT_CAPA_MASK(0x8B2A))
+/* "Easy" macro to set events in iw_range (less efficient) */
+#define IW_EVENT_CAPA_SET(event_capa, cmd) (event_capa[IW_EVENT_CAPA_INDEX(cmd)] |= IW_EVENT_CAPA_MASK(cmd))
+#define IW_EVENT_CAPA_SET_KERNEL(event_capa) {event_capa[0] |= IW_EVENT_CAPA_K_0; event_capa[1] |= IW_EVENT_CAPA_K_1; }
+
+
+/****************************** TYPES ******************************/
+
+/* --------------------------- SUBTYPES --------------------------- */
+/*
+ *	Generic format for most parameters that fit in an int
+ */
+struct	iw_param
+{
+  __s32		value;		/* The value of the parameter itself */
+  __u8		fixed;		/* Hardware should not use auto select */
+  __u8		disabled;	/* Disable the feature */
+  __u16		flags;		/* Various specifc flags (if any) */
+};
+
+/*
+ *	For all data larger than 16 octets, we need to use a
+ *	pointer to memory allocated in user space.
+ */
+struct	iw_point
+{
+  void __user	*pointer;	/* Pointer to the data  (in user space) */
+  __u16		length;		/* number of fields or size in bytes */
+  __u16		flags;		/* Optional params */
+};
+
+#ifdef __KERNEL__
+#ifdef CONFIG_COMPAT
+
+#include <linux/compat.h>
+
+struct compat_iw_point {
+	compat_caddr_t pointer;
+	__u16 length;
+	__u16 flags;
+};
+#endif
+#endif
+
+/*
+ *	A frequency
+ *	For numbers lower than 10^9, we encode the number in 'm' and
+ *	set 'e' to 0
+ *	For number greater than 10^9, we divide it by the lowest power
+ *	of 10 to get 'm' lower than 10^9, with 'm'= f / (10^'e')...
+ *	The power of 10 is in 'e', the result of the division is in 'm'.
+ */
+struct	iw_freq
+{
+	__s32		m;		/* Mantissa */
+	__s16		e;		/* Exponent */
+	__u8		i;		/* List index (when in range struct) */
+	__u8		flags;		/* Flags (fixed/auto) */
+};
+
+/*
+ *	Quality of the link
+ */
+struct	iw_quality
+{
+	__u8		qual;		/* link quality (%retries, SNR,
+					   %missed beacons or better...) */
+	__u8		level;		/* signal level (dBm) */
+	__u8		noise;		/* noise level (dBm) */
+	__u8		updated;	/* Flags to know if updated */
+};
+
+/*
+ *	Packet discarded in the wireless adapter due to
+ *	"wireless" specific problems...
+ *	Note : the list of counter and statistics in net_device_stats
+ *	is already pretty exhaustive, and you should use that first.
+ *	This is only additional stats...
+ */
+struct	iw_discarded
+{
+	__u32		nwid;		/* Rx : Wrong nwid/essid */
+	__u32		code;		/* Rx : Unable to code/decode (WEP) */
+	__u32		fragment;	/* Rx : Can't perform MAC reassembly */
+	__u32		retries;	/* Tx : Max MAC retries num reached */
+	__u32		misc;		/* Others cases */
+};
+
+/*
+ *	Packet/Time period missed in the wireless adapter due to
+ *	"wireless" specific problems...
+ */
+struct	iw_missed
+{
+	__u32		beacon;		/* Missed beacons/superframe */
+};
+
+/*
+ *	Quality range (for spy threshold)
+ */
+struct	iw_thrspy
+{
+	struct sockaddr		addr;		/* Source address (hw/mac) */
+	struct iw_quality	qual;		/* Quality of the link */
+	struct iw_quality	low;		/* Low threshold */
+	struct iw_quality	high;		/* High threshold */
+};
+
+/*
+ *	Optional data for scan request
+ *
+ *	Note: these optional parameters are controlling parameters for the
+ *	scanning behavior, these do not apply to getting scan results
+ *	(SIOCGIWSCAN). Drivers are expected to keep a local BSS table and
+ *	provide a merged results with all BSSes even if the previous scan
+ *	request limited scanning to a subset, e.g., by specifying an SSID.
+ *	Especially, scan results are required to include an entry for the
+ *	current BSS if the driver is in Managed mode and associated with an AP.
+ */
+struct	iw_scan_req
+{
+	__u8		scan_type; /* IW_SCAN_TYPE_{ACTIVE,PASSIVE} */
+	__u8		essid_len;
+	__u8		num_channels; /* num entries in channel_list;
+				       * 0 = scan all allowed channels */
+	__u8		flags; /* reserved as padding; use zero, this may
+				* be used in the future for adding flags
+				* to request different scan behavior */
+	struct sockaddr	bssid; /* ff:ff:ff:ff:ff:ff for broadcast BSSID or
+				* individual address of a specific BSS */
+
+	/*
+	 * Use this ESSID if IW_SCAN_THIS_ESSID flag is used instead of using
+	 * the current ESSID. This allows scan requests for specific ESSID
+	 * without having to change the current ESSID and potentially breaking
+	 * the current association.
+	 */
+	__u8		essid[IW_ESSID_MAX_SIZE];
+
+	/*
+	 * Optional parameters for changing the default scanning behavior.
+	 * These are based on the MLME-SCAN.request from IEEE Std 802.11.
+	 * TU is 1.024 ms. If these are set to 0, driver is expected to use
+	 * reasonable default values. min_channel_time defines the time that
+	 * will be used to wait for the first reply on each channel. If no
+	 * replies are received, next channel will be scanned after this. If
+	 * replies are received, total time waited on the channel is defined by
+	 * max_channel_time.
+	 */
+	__u32		min_channel_time; /* in TU */
+	__u32		max_channel_time; /* in TU */
+
+	struct iw_freq	channel_list[IW_MAX_FREQUENCIES];
+};
+
+/* ------------------------- WPA SUPPORT ------------------------- */
+
+/*
+ *	Extended data structure for get/set encoding (this is used with
+ *	SIOCSIWENCODEEXT/SIOCGIWENCODEEXT. struct iw_point and IW_ENCODE_*
+ *	flags are used in the same way as with SIOCSIWENCODE/SIOCGIWENCODE and
+ *	only the data contents changes (key data -> this structure, including
+ *	key data).
+ *
+ *	If the new key is the first group key, it will be set as the default
+ *	TX key. Otherwise, default TX key index is only changed if
+ *	IW_ENCODE_EXT_SET_TX_KEY flag is set.
+ *
+ *	Key will be changed with SIOCSIWENCODEEXT in all cases except for
+ *	special "change TX key index" operation which is indicated by setting
+ *	key_len = 0 and ext_flags |= IW_ENCODE_EXT_SET_TX_KEY.
+ *
+ *	tx_seq/rx_seq are only used when respective
+ *	IW_ENCODE_EXT_{TX,RX}_SEQ_VALID flag is set in ext_flags. Normal
+ *	TKIP/CCMP operation is to set RX seq with SIOCSIWENCODEEXT and start
+ *	TX seq from zero whenever key is changed. SIOCGIWENCODEEXT is normally
+ *	used only by an Authenticator (AP or an IBSS station) to get the
+ *	current TX sequence number. Using TX_SEQ_VALID for SIOCSIWENCODEEXT and
+ *	RX_SEQ_VALID for SIOCGIWENCODEEXT are optional, but can be useful for
+ *	debugging/testing.
+ */
+struct	iw_encode_ext
+{
+	__u32		ext_flags; /* IW_ENCODE_EXT_* */
+	__u8		tx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */
+	__u8		rx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */
+	struct sockaddr	addr; /* ff:ff:ff:ff:ff:ff for broadcast/multicast
+			       * (group) keys or unicast address for
+			       * individual keys */
+	__u16		alg; /* IW_ENCODE_ALG_* */
+	__u16		key_len;
+	__u8		key[0];
+};
+
+/* SIOCSIWMLME data */
+struct	iw_mlme
+{
+	__u16		cmd; /* IW_MLME_* */
+	__u16		reason_code;
+	struct sockaddr	addr;
+};
+
+/* SIOCSIWPMKSA data */
+#define IW_PMKSA_ADD		1
+#define IW_PMKSA_REMOVE		2
+#define IW_PMKSA_FLUSH		3
+
+#define IW_PMKID_LEN	16
+
+struct	iw_pmksa
+{
+	__u32		cmd; /* IW_PMKSA_* */
+	struct sockaddr	bssid;
+	__u8		pmkid[IW_PMKID_LEN];
+};
+
+/* IWEVMICHAELMICFAILURE data */
+struct	iw_michaelmicfailure
+{
+	__u32		flags;
+	struct sockaddr	src_addr;
+	__u8		tsc[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */
+};
+
+/* IWEVPMKIDCAND data */
+#define IW_PMKID_CAND_PREAUTH	0x00000001 /* RNS pre-authentication enabled */
+struct	iw_pmkid_cand
+{
+	__u32		flags; /* IW_PMKID_CAND_* */
+	__u32		index; /* the smaller the index, the higher the
+				* priority */
+	struct sockaddr	bssid;
+};
+
+/* ------------------------ WIRELESS STATS ------------------------ */
+/*
+ * Wireless statistics (used for /proc/net/wireless)
+ */
+struct	iw_statistics
+{
+	__u16		status;		/* Status
+					 * - device dependent for now */
+
+	struct iw_quality	qual;		/* Quality of the link
+						 * (instant/mean/max) */
+	struct iw_discarded	discard;	/* Packet discarded counts */
+	struct iw_missed	miss;		/* Packet missed counts */
+};
+
+/* ------------------------ IOCTL REQUEST ------------------------ */
+/*
+ * This structure defines the payload of an ioctl, and is used 
+ * below.
+ *
+ * Note that this structure should fit on the memory footprint
+ * of iwreq (which is the same as ifreq), which mean a max size of
+ * 16 octets = 128 bits. Warning, pointers might be 64 bits wide...
+ * You should check this when increasing the structures defined
+ * above in this file...
+ */
+union	iwreq_data
+{
+	/* Config - generic */
+	char		name[IFNAMSIZ];
+	/* Name : used to verify the presence of  wireless extensions.
+	 * Name of the protocol/provider... */
+
+	struct iw_point	essid;		/* Extended network name */
+	struct iw_param	nwid;		/* network id (or domain - the cell) */
+	struct iw_freq	freq;		/* frequency or channel :
+					 * 0-1000 = channel
+					 * > 1000 = frequency in Hz */
+
+	struct iw_param	sens;		/* signal level threshold */
+	struct iw_param	bitrate;	/* default bit rate */
+	struct iw_param	txpower;	/* default transmit power */
+	struct iw_param	rts;		/* RTS threshold threshold */
+	struct iw_param	frag;		/* Fragmentation threshold */
+	__u32		mode;		/* Operation mode */
+	struct iw_param	retry;		/* Retry limits & lifetime */
+
+	struct iw_point	encoding;	/* Encoding stuff : tokens */
+	struct iw_param	power;		/* PM duration/timeout */
+	struct iw_quality qual;		/* Quality part of statistics */
+
+	struct sockaddr	ap_addr;	/* Access point address */
+	struct sockaddr	addr;		/* Destination address (hw/mac) */
+
+	struct iw_param	param;		/* Other small parameters */
+	struct iw_point	data;		/* Other large parameters */
+};
+
+/*
+ * The structure to exchange data for ioctl.
+ * This structure is the same as 'struct ifreq', but (re)defined for
+ * convenience...
+ * Do I need to remind you about structure size (32 octets) ?
+ */
+struct	iwreq 
+{
+	union
+	{
+		char	ifrn_name[IFNAMSIZ];	/* if name, e.g. "eth0" */
+	} ifr_ifrn;
+
+	/* Data part (defined just above) */
+	union	iwreq_data	u;
+};
+
+/* -------------------------- IOCTL DATA -------------------------- */
+/*
+ *	For those ioctl which want to exchange mode data that what could
+ *	fit in the above structure...
+ */
+
+/*
+ *	Range of parameters
+ */
+
+struct	iw_range
+{
+	/* Informative stuff (to choose between different interface) */
+	__u32		throughput;	/* To give an idea... */
+	/* In theory this value should be the maximum benchmarked
+	 * TCP/IP throughput, because with most of these devices the
+	 * bit rate is meaningless (overhead an co) to estimate how
+	 * fast the connection will go and pick the fastest one.
+	 * I suggest people to play with Netperf or any benchmark...
+	 */
+
+	/* NWID (or domain id) */
+	__u32		min_nwid;	/* Minimal NWID we are able to set */
+	__u32		max_nwid;	/* Maximal NWID we are able to set */
+
+	/* Old Frequency (backward compat - moved lower ) */
+	__u16		old_num_channels;
+	__u8		old_num_frequency;
+
+	/* Scan capabilities */
+	__u8		scan_capa; 	/* IW_SCAN_CAPA_* bit field */
+
+	/* Wireless event capability bitmasks */
+	__u32		event_capa[6];
+
+	/* signal level threshold range */
+	__s32		sensitivity;
+
+	/* Quality of link & SNR stuff */
+	/* Quality range (link, level, noise)
+	 * If the quality is absolute, it will be in the range [0 ; max_qual],
+	 * if the quality is dBm, it will be in the range [max_qual ; 0].
+	 * Don't forget that we use 8 bit arithmetics... */
+	struct iw_quality	max_qual;	/* Quality of the link */
+	/* This should contain the average/typical values of the quality
+	 * indicator. This should be the threshold between a "good" and
+	 * a "bad" link (example : monitor going from green to orange).
+	 * Currently, user space apps like quality monitors don't have any
+	 * way to calibrate the measurement. With this, they can split
+	 * the range between 0 and max_qual in different quality level
+	 * (using a geometric subdivision centered on the average).
+	 * I expect that people doing the user space apps will feedback
+	 * us on which value we need to put in each driver... */
+	struct iw_quality	avg_qual;	/* Quality of the link */
+
+	/* Rates */
+	__u8		num_bitrates;	/* Number of entries in the list */
+	__s32		bitrate[IW_MAX_BITRATES];	/* list, in bps */
+
+	/* RTS threshold */
+	__s32		min_rts;	/* Minimal RTS threshold */
+	__s32		max_rts;	/* Maximal RTS threshold */
+
+	/* Frag threshold */
+	__s32		min_frag;	/* Minimal frag threshold */
+	__s32		max_frag;	/* Maximal frag threshold */
+
+	/* Power Management duration & timeout */
+	__s32		min_pmp;	/* Minimal PM period */
+	__s32		max_pmp;	/* Maximal PM period */
+	__s32		min_pmt;	/* Minimal PM timeout */
+	__s32		max_pmt;	/* Maximal PM timeout */
+	__u16		pmp_flags;	/* How to decode max/min PM period */
+	__u16		pmt_flags;	/* How to decode max/min PM timeout */
+	__u16		pm_capa;	/* What PM options are supported */
+
+	/* Encoder stuff */
+	__u16	encoding_size[IW_MAX_ENCODING_SIZES];	/* Different token sizes */
+	__u8	num_encoding_sizes;	/* Number of entry in the list */
+	__u8	max_encoding_tokens;	/* Max number of tokens */
+	/* For drivers that need a "login/passwd" form */
+	__u8	encoding_login_index;	/* token index for login token */
+
+	/* Transmit power */
+	__u16		txpower_capa;	/* What options are supported */
+	__u8		num_txpower;	/* Number of entries in the list */
+	__s32		txpower[IW_MAX_TXPOWER];	/* list, in bps */
+
+	/* Wireless Extension version info */
+	__u8		we_version_compiled;	/* Must be WIRELESS_EXT */
+	__u8		we_version_source;	/* Last update of source */
+
+	/* Retry limits and lifetime */
+	__u16		retry_capa;	/* What retry options are supported */
+	__u16		retry_flags;	/* How to decode max/min retry limit */
+	__u16		r_time_flags;	/* How to decode max/min retry life */
+	__s32		min_retry;	/* Minimal number of retries */
+	__s32		max_retry;	/* Maximal number of retries */
+	__s32		min_r_time;	/* Minimal retry lifetime */
+	__s32		max_r_time;	/* Maximal retry lifetime */
+
+	/* Frequency */
+	__u16		num_channels;	/* Number of channels [0; num - 1] */
+	__u8		num_frequency;	/* Number of entry in the list */
+	struct iw_freq	freq[IW_MAX_FREQUENCIES];	/* list */
+	/* Note : this frequency list doesn't need to fit channel numbers,
+	 * because each entry contain its channel index */
+
+	__u32		enc_capa;	/* IW_ENC_CAPA_* bit field */
+};
+
+/*
+ * Private ioctl interface information
+ */
+ 
+struct	iw_priv_args
+{
+	__u32		cmd;		/* Number of the ioctl to issue */
+	__u16		set_args;	/* Type and number of args */
+	__u16		get_args;	/* Type and number of args */
+	char		name[IFNAMSIZ];	/* Name of the extension */
+};
+
+/* ----------------------- WIRELESS EVENTS ----------------------- */
+/*
+ * Wireless events are carried through the rtnetlink socket to user
+ * space. They are encapsulated in the IFLA_WIRELESS field of
+ * a RTM_NEWLINK message.
+ */
+
+/*
+ * A Wireless Event. Contains basically the same data as the ioctl...
+ */
+struct iw_event
+{
+	__u16		len;			/* Real length of this stuff */
+	__u16		cmd;			/* Wireless IOCTL */
+	union iwreq_data	u;		/* IOCTL fixed payload */
+};
+
+/* Size of the Event prefix (including padding and alignement junk) */
+#define IW_EV_LCP_LEN	(sizeof(struct iw_event) - sizeof(union iwreq_data))
+/* Size of the various events */
+#define IW_EV_CHAR_LEN	(IW_EV_LCP_LEN + IFNAMSIZ)
+#define IW_EV_UINT_LEN	(IW_EV_LCP_LEN + sizeof(__u32))
+#define IW_EV_FREQ_LEN	(IW_EV_LCP_LEN + sizeof(struct iw_freq))
+#define IW_EV_PARAM_LEN	(IW_EV_LCP_LEN + sizeof(struct iw_param))
+#define IW_EV_ADDR_LEN	(IW_EV_LCP_LEN + sizeof(struct sockaddr))
+#define IW_EV_QUAL_LEN	(IW_EV_LCP_LEN + sizeof(struct iw_quality))
+
+/* iw_point events are special. First, the payload (extra data) come at
+ * the end of the event, so they are bigger than IW_EV_POINT_LEN. Second,
+ * we omit the pointer, so start at an offset. */
+#define IW_EV_POINT_OFF (((char *) &(((struct iw_point *) NULL)->length)) - \
+			  (char *) NULL)
+#define IW_EV_POINT_LEN	(IW_EV_LCP_LEN + sizeof(struct iw_point) - \
+			 IW_EV_POINT_OFF)
+
+#ifdef __KERNEL__
+#ifdef CONFIG_COMPAT
+struct __compat_iw_event {
+	__u16		len;			/* Real length of this stuff */
+	__u16		cmd;			/* Wireless IOCTL */
+	compat_caddr_t	pointer;
+};
+#define IW_EV_COMPAT_LCP_LEN offsetof(struct __compat_iw_event, pointer)
+#define IW_EV_COMPAT_POINT_OFF offsetof(struct compat_iw_point, length)
+
+/* Size of the various events for compat */
+#define IW_EV_COMPAT_CHAR_LEN	(IW_EV_COMPAT_LCP_LEN + IFNAMSIZ)
+#define IW_EV_COMPAT_UINT_LEN	(IW_EV_COMPAT_LCP_LEN + sizeof(__u32))
+#define IW_EV_COMPAT_FREQ_LEN	(IW_EV_COMPAT_LCP_LEN + sizeof(struct iw_freq))
+#define IW_EV_COMPAT_PARAM_LEN	(IW_EV_COMPAT_LCP_LEN + sizeof(struct iw_param))
+#define IW_EV_COMPAT_ADDR_LEN	(IW_EV_COMPAT_LCP_LEN + sizeof(struct sockaddr))
+#define IW_EV_COMPAT_QUAL_LEN	(IW_EV_COMPAT_LCP_LEN + sizeof(struct iw_quality))
+#define IW_EV_COMPAT_POINT_LEN	\
+	(IW_EV_COMPAT_LCP_LEN + sizeof(struct compat_iw_point) - \
+	 IW_EV_COMPAT_POINT_OFF)
+#endif
+#endif
+
+/* Size of the Event prefix when packed in stream */
+#define IW_EV_LCP_PK_LEN	(4)
+/* Size of the various events when packed in stream */
+#define IW_EV_CHAR_PK_LEN	(IW_EV_LCP_PK_LEN + IFNAMSIZ)
+#define IW_EV_UINT_PK_LEN	(IW_EV_LCP_PK_LEN + sizeof(__u32))
+#define IW_EV_FREQ_PK_LEN	(IW_EV_LCP_PK_LEN + sizeof(struct iw_freq))
+#define IW_EV_PARAM_PK_LEN	(IW_EV_LCP_PK_LEN + sizeof(struct iw_param))
+#define IW_EV_ADDR_PK_LEN	(IW_EV_LCP_PK_LEN + sizeof(struct sockaddr))
+#define IW_EV_QUAL_PK_LEN	(IW_EV_LCP_PK_LEN + sizeof(struct iw_quality))
+#define IW_EV_POINT_PK_LEN	(IW_EV_LCP_PK_LEN + 4)
+
+#endif	/* _LINUX_WIRELESS_H */
diff --git a/src/eap_common/Makefile b/src/eap_common/Makefile
new file mode 100644
index 0000000..9c41962
--- /dev/null
+++ b/src/eap_common/Makefile
@@ -0,0 +1,8 @@
+all:
+	@echo Nothing to be made.
+
+clean:
+	rm -f *~ *.o *.d
+
+install:
+	@echo Nothing to be made.
diff --git a/src/eap_common/chap.c b/src/eap_common/chap.c
new file mode 100644
index 0000000..60bfc1c
--- /dev/null
+++ b/src/eap_common/chap.c
@@ -0,0 +1,34 @@
+/*
+ * CHAP-MD5 (RFC 1994)
+ * Copyright (c) 2007-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/crypto.h"
+#include "chap.h"
+
+int chap_md5(u8 id, const u8 *secret, size_t secret_len, const u8 *challenge,
+	      size_t challenge_len, u8 *response)
+{
+	const u8 *addr[3];
+	size_t len[3];
+
+	addr[0] = &id;
+	len[0] = 1;
+	addr[1] = secret;
+	len[1] = secret_len;
+	addr[2] = challenge;
+	len[2] = challenge_len;
+	return md5_vector(3, addr, len, response);
+}
diff --git a/src/eap_common/chap.h b/src/eap_common/chap.h
new file mode 100644
index 0000000..b9c400c
--- /dev/null
+++ b/src/eap_common/chap.h
@@ -0,0 +1,23 @@
+/*
+ * CHAP-MD5 (RFC 1994)
+ * Copyright (c) 2007-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef CHAP_H
+#define CHAP_H
+
+#define CHAP_MD5_LEN 16
+
+int chap_md5(u8 id, const u8 *secret, size_t secret_len, const u8 *challenge,
+	     size_t challenge_len, u8 *response);
+
+#endif /* CHAP_H */
diff --git a/src/eap_common/eap_common.c b/src/eap_common/eap_common.c
new file mode 100644
index 0000000..4afa1dd
--- /dev/null
+++ b/src/eap_common/eap_common.c
@@ -0,0 +1,184 @@
+/*
+ * EAP common peer/server definitions
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eap_defs.h"
+#include "eap_common.h"
+
+/**
+ * eap_hdr_validate - Validate EAP header
+ * @vendor: Expected EAP Vendor-Id (0 = IETF)
+ * @eap_type: Expected EAP type number
+ * @msg: EAP frame (starting with EAP header)
+ * @plen: Pointer to variable to contain the returned payload length
+ * Returns: Pointer to EAP payload (after type field), or %NULL on failure
+ *
+ * This is a helper function for EAP method implementations. This is usually
+ * called in the beginning of struct eap_method::process() function to verify
+ * that the received EAP request packet has a valid header. This function is
+ * able to process both legacy and expanded EAP headers and in most cases, the
+ * caller can just use the returned payload pointer (into *plen) for processing
+ * the payload regardless of whether the packet used the expanded EAP header or
+ * not.
+ */
+const u8 * eap_hdr_validate(int vendor, EapType eap_type,
+			    const struct wpabuf *msg, size_t *plen)
+{
+	const struct eap_hdr *hdr;
+	const u8 *pos;
+	size_t len;
+
+	hdr = wpabuf_head(msg);
+
+	if (wpabuf_len(msg) < sizeof(*hdr)) {
+		wpa_printf(MSG_INFO, "EAP: Too short EAP frame");
+		return NULL;
+	}
+
+	len = be_to_host16(hdr->length);
+	if (len < sizeof(*hdr) + 1 || len > wpabuf_len(msg)) {
+		wpa_printf(MSG_INFO, "EAP: Invalid EAP length");
+		return NULL;
+	}
+
+	pos = (const u8 *) (hdr + 1);
+
+	if (*pos == EAP_TYPE_EXPANDED) {
+		int exp_vendor;
+		u32 exp_type;
+		if (len < sizeof(*hdr) + 8) {
+			wpa_printf(MSG_INFO, "EAP: Invalid expanded EAP "
+				   "length");
+			return NULL;
+		}
+		pos++;
+		exp_vendor = WPA_GET_BE24(pos);
+		pos += 3;
+		exp_type = WPA_GET_BE32(pos);
+		pos += 4;
+		if (exp_vendor != vendor || exp_type != (u32) eap_type) {
+			wpa_printf(MSG_INFO, "EAP: Invalid expanded frame "
+				   "type");
+			return NULL;
+		}
+
+		*plen = len - sizeof(*hdr) - 8;
+		return pos;
+	} else {
+		if (vendor != EAP_VENDOR_IETF || *pos != eap_type) {
+			wpa_printf(MSG_INFO, "EAP: Invalid frame type");
+			return NULL;
+		}
+		*plen = len - sizeof(*hdr) - 1;
+		return pos + 1;
+	}
+}
+
+
+/**
+ * eap_msg_alloc - Allocate a buffer for an EAP message
+ * @vendor: Vendor-Id (0 = IETF)
+ * @type: EAP type
+ * @payload_len: Payload length in bytes (data after Type)
+ * @code: Message Code (EAP_CODE_*)
+ * @identifier: Identifier
+ * Returns: Pointer to the allocated message buffer or %NULL on error
+ *
+ * This function can be used to allocate a buffer for an EAP message and fill
+ * in the EAP header. This function is automatically using expanded EAP header
+ * if the selected Vendor-Id is not IETF. In other words, most EAP methods do
+ * not need to separately select which header type to use when using this
+ * function to allocate the message buffers. The returned buffer has room for
+ * payload_len bytes and has the EAP header and Type field already filled in.
+ */
+struct wpabuf * eap_msg_alloc(int vendor, EapType type, size_t payload_len,
+			      u8 code, u8 identifier)
+{
+	struct wpabuf *buf;
+	struct eap_hdr *hdr;
+	size_t len;
+
+	len = sizeof(struct eap_hdr) + (vendor == EAP_VENDOR_IETF ? 1 : 8) +
+		payload_len;
+	buf = wpabuf_alloc(len);
+	if (buf == NULL)
+		return NULL;
+
+	hdr = wpabuf_put(buf, sizeof(*hdr));
+	hdr->code = code;
+	hdr->identifier = identifier;
+	hdr->length = host_to_be16(len);
+
+	if (vendor == EAP_VENDOR_IETF) {
+		wpabuf_put_u8(buf, type);
+	} else {
+		wpabuf_put_u8(buf, EAP_TYPE_EXPANDED);
+		wpabuf_put_be24(buf, vendor);
+		wpabuf_put_be32(buf, type);
+	}
+
+	return buf;
+}
+
+
+/**
+ * eap_update_len - Update EAP header length
+ * @msg: EAP message from eap_msg_alloc
+ *
+ * This function updates the length field in the EAP header to match with the
+ * current length for the buffer. This allows eap_msg_alloc() to be used to
+ * allocate a larger buffer than the exact message length (e.g., if exact
+ * message length is not yet known).
+ */
+void eap_update_len(struct wpabuf *msg)
+{
+	struct eap_hdr *hdr;
+	hdr = wpabuf_mhead(msg);
+	if (wpabuf_len(msg) < sizeof(*hdr))
+		return;
+	hdr->length = host_to_be16(wpabuf_len(msg));
+}
+
+
+/**
+ * eap_get_id - Get EAP Identifier from wpabuf
+ * @msg: Buffer starting with an EAP header
+ * Returns: The Identifier field from the EAP header
+ */
+u8 eap_get_id(const struct wpabuf *msg)
+{
+	const struct eap_hdr *eap;
+
+	if (wpabuf_len(msg) < sizeof(*eap))
+		return 0;
+
+	eap = wpabuf_head(msg);
+	return eap->identifier;
+}
+
+
+/**
+ * eap_get_id - Get EAP Type from wpabuf
+ * @msg: Buffer starting with an EAP header
+ * Returns: The EAP Type after the EAP header
+ */
+EapType eap_get_type(const struct wpabuf *msg)
+{
+	if (wpabuf_len(msg) < sizeof(struct eap_hdr) + 1)
+		return EAP_TYPE_NONE;
+
+	return ((const u8 *) wpabuf_head(msg))[sizeof(struct eap_hdr)];
+}
diff --git a/src/eap_common/eap_common.h b/src/eap_common/eap_common.h
new file mode 100644
index 0000000..b95e76b
--- /dev/null
+++ b/src/eap_common/eap_common.h
@@ -0,0 +1,28 @@
+/*
+ * EAP common peer/server definitions
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_COMMON_H
+#define EAP_COMMON_H
+
+#include "wpabuf.h"
+
+const u8 * eap_hdr_validate(int vendor, EapType eap_type,
+			    const struct wpabuf *msg, size_t *plen);
+struct wpabuf * eap_msg_alloc(int vendor, EapType type, size_t payload_len,
+			      u8 code, u8 identifier);
+void eap_update_len(struct wpabuf *msg);
+u8 eap_get_id(const struct wpabuf *msg);
+EapType eap_get_type(const struct wpabuf *msg);
+
+#endif /* EAP_COMMON_H */
diff --git a/src/eap_common/eap_defs.h b/src/eap_common/eap_defs.h
new file mode 100644
index 0000000..3035301
--- /dev/null
+++ b/src/eap_common/eap_defs.h
@@ -0,0 +1,86 @@
+/*
+ * EAP server/peer: Shared EAP definitions
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_DEFS_H
+#define EAP_DEFS_H
+
+/* RFC 3748 - Extensible Authentication Protocol (EAP) */
+
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+struct eap_hdr {
+	u8 code;
+	u8 identifier;
+	be16 length; /* including code and identifier; network byte order */
+	/* followed by length-4 octets of data */
+} STRUCT_PACKED;
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+enum { EAP_CODE_REQUEST = 1, EAP_CODE_RESPONSE = 2, EAP_CODE_SUCCESS = 3,
+       EAP_CODE_FAILURE = 4 };
+
+/* EAP Request and Response data begins with one octet Type. Success and
+ * Failure do not have additional data. */
+
+/*
+ * EAP Method Types as allocated by IANA:
+ * http://www.iana.org/assignments/eap-numbers
+ */
+typedef enum {
+	EAP_TYPE_NONE = 0,
+	EAP_TYPE_IDENTITY = 1 /* RFC 3748 */,
+	EAP_TYPE_NOTIFICATION = 2 /* RFC 3748 */,
+	EAP_TYPE_NAK = 3 /* Response only, RFC 3748 */,
+	EAP_TYPE_MD5 = 4, /* RFC 3748 */
+	EAP_TYPE_OTP = 5 /* RFC 3748 */,
+	EAP_TYPE_GTC = 6, /* RFC 3748 */
+	EAP_TYPE_TLS = 13 /* RFC 2716 */,
+	EAP_TYPE_LEAP = 17 /* Cisco proprietary */,
+	EAP_TYPE_SIM = 18 /* RFC 4186 */,
+	EAP_TYPE_TTLS = 21 /* RFC 5281 */,
+	EAP_TYPE_AKA = 23 /* RFC 4187 */,
+	EAP_TYPE_PEAP = 25 /* draft-josefsson-pppext-eap-tls-eap-06.txt */,
+	EAP_TYPE_MSCHAPV2 = 26 /* draft-kamath-pppext-eap-mschapv2-00.txt */,
+	EAP_TYPE_TLV = 33 /* draft-josefsson-pppext-eap-tls-eap-07.txt */,
+	EAP_TYPE_TNC = 38 /* TNC IF-T v1.0-r3; note: tentative assignment;
+			   * type 38 has previously been allocated for
+			   * EAP-HTTP Digest, (funk.com) */,
+	EAP_TYPE_FAST = 43 /* RFC 4851 */,
+	EAP_TYPE_PAX = 46 /* RFC 4746 */,
+	EAP_TYPE_PSK = 47 /* RFC 4764 */,
+	EAP_TYPE_SAKE = 48 /* RFC 4763 */,
+	EAP_TYPE_IKEV2 = 49 /* RFC 5106 */,
+	EAP_TYPE_AKA_PRIME = 50 /* draft-arkko-eap-aka-kdf-10.txt */,
+	EAP_TYPE_GPSK = 51 /* RFC 5433 */,
+	EAP_TYPE_PWD = 52 /* RFC 5931 */,
+	EAP_TYPE_EXPANDED = 254 /* RFC 3748 */
+} EapType;
+
+
+/* SMI Network Management Private Enterprise Code for vendor specific types */
+enum {
+	EAP_VENDOR_IETF = 0,
+	EAP_VENDOR_MICROSOFT = 0x000137 /* Microsoft */,
+	EAP_VENDOR_WFA = 0x00372A /* Wi-Fi Alliance */
+};
+
+#define EAP_MSK_LEN 64
+#define EAP_EMSK_LEN 64
+
+#endif /* EAP_DEFS_H */
diff --git a/src/eap_common/eap_fast_common.c b/src/eap_common/eap_fast_common.c
new file mode 100644
index 0000000..4de34a8
--- /dev/null
+++ b/src/eap_common/eap_fast_common.c
@@ -0,0 +1,304 @@
+/*
+ * EAP-FAST common helper functions (RFC 4851)
+ * Copyright (c) 2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/sha1.h"
+#include "crypto/tls.h"
+#include "eap_defs.h"
+#include "eap_tlv_common.h"
+#include "eap_fast_common.h"
+
+
+void eap_fast_put_tlv_hdr(struct wpabuf *buf, u16 type, u16 len)
+{
+	struct pac_tlv_hdr hdr;
+	hdr.type = host_to_be16(type);
+	hdr.len = host_to_be16(len);
+	wpabuf_put_data(buf, &hdr, sizeof(hdr));
+}
+
+
+void eap_fast_put_tlv(struct wpabuf *buf, u16 type, const void *data,
+			     u16 len)
+{
+	eap_fast_put_tlv_hdr(buf, type, len);
+	wpabuf_put_data(buf, data, len);
+}
+
+
+void eap_fast_put_tlv_buf(struct wpabuf *buf, u16 type,
+				 const struct wpabuf *data)
+{
+	eap_fast_put_tlv_hdr(buf, type, wpabuf_len(data));
+	wpabuf_put_buf(buf, data);
+}
+
+
+struct wpabuf * eap_fast_tlv_eap_payload(struct wpabuf *buf)
+{
+	struct wpabuf *e;
+
+	if (buf == NULL)
+		return NULL;
+
+	/* Encapsulate EAP packet in EAP-Payload TLV */
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Add EAP-Payload TLV");
+	e = wpabuf_alloc(sizeof(struct pac_tlv_hdr) + wpabuf_len(buf));
+	if (e == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Failed to allocate memory "
+			   "for TLV encapsulation");
+		wpabuf_free(buf);
+		return NULL;
+	}
+	eap_fast_put_tlv_buf(e,
+			     EAP_TLV_TYPE_MANDATORY | EAP_TLV_EAP_PAYLOAD_TLV,
+			     buf);
+	wpabuf_free(buf);
+	return e;
+}
+
+
+void eap_fast_derive_master_secret(const u8 *pac_key, const u8 *server_random,
+				   const u8 *client_random, u8 *master_secret)
+{
+#define TLS_RANDOM_LEN 32
+#define TLS_MASTER_SECRET_LEN 48
+	u8 seed[2 * TLS_RANDOM_LEN];
+
+	wpa_hexdump(MSG_DEBUG, "EAP-FAST: client_random",
+		    client_random, TLS_RANDOM_LEN);
+	wpa_hexdump(MSG_DEBUG, "EAP-FAST: server_random",
+		    server_random, TLS_RANDOM_LEN);
+
+	/*
+	 * RFC 4851, Section 5.1:
+	 * master_secret = T-PRF(PAC-Key, "PAC to master secret label hash", 
+	 *                       server_random + client_random, 48)
+	 */
+	os_memcpy(seed, server_random, TLS_RANDOM_LEN);
+	os_memcpy(seed + TLS_RANDOM_LEN, client_random, TLS_RANDOM_LEN);
+	sha1_t_prf(pac_key, EAP_FAST_PAC_KEY_LEN,
+		   "PAC to master secret label hash",
+		   seed, sizeof(seed), master_secret, TLS_MASTER_SECRET_LEN);
+
+	wpa_hexdump_key(MSG_DEBUG, "EAP-FAST: master_secret",
+			master_secret, TLS_MASTER_SECRET_LEN);
+}
+
+
+u8 * eap_fast_derive_key(void *ssl_ctx, struct tls_connection *conn,
+			 const char *label, size_t len)
+{
+	struct tls_keys keys;
+	u8 *rnd = NULL, *out;
+	int block_size;
+
+	block_size = tls_connection_get_keyblock_size(ssl_ctx, conn);
+	if (block_size < 0)
+		return NULL;
+
+	out = os_malloc(block_size + len);
+	if (out == NULL)
+		return NULL;
+
+	if (tls_connection_prf(ssl_ctx, conn, label, 1, out, block_size + len)
+	    == 0) {
+		os_memmove(out, out + block_size, len);
+		return out;
+	}
+
+	if (tls_connection_get_keys(ssl_ctx, conn, &keys))
+		goto fail;
+
+	rnd = os_malloc(keys.client_random_len + keys.server_random_len);
+	if (rnd == NULL)
+		goto fail;
+
+	os_memcpy(rnd, keys.server_random, keys.server_random_len);
+	os_memcpy(rnd + keys.server_random_len, keys.client_random,
+		  keys.client_random_len);
+
+	wpa_hexdump_key(MSG_MSGDUMP, "EAP-FAST: master_secret for key "
+			"expansion", keys.master_key, keys.master_key_len);
+	if (tls_prf(keys.master_key, keys.master_key_len,
+		    label, rnd, keys.client_random_len +
+		    keys.server_random_len, out, block_size + len))
+		goto fail;
+	os_free(rnd);
+	os_memmove(out, out + block_size, len);
+	return out;
+
+fail:
+	os_free(rnd);
+	os_free(out);
+	return NULL;
+}
+
+
+void eap_fast_derive_eap_msk(const u8 *simck, u8 *msk)
+{
+	/*
+	 * RFC 4851, Section 5.4: EAP Master Session Key Generation
+	 * MSK = T-PRF(S-IMCK[j], "Session Key Generating Function", 64)
+	 */
+
+	sha1_t_prf(simck, EAP_FAST_SIMCK_LEN,
+		   "Session Key Generating Function", (u8 *) "", 0,
+		   msk, EAP_FAST_KEY_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-FAST: Derived key (MSK)",
+			msk, EAP_FAST_KEY_LEN);
+}
+
+
+void eap_fast_derive_eap_emsk(const u8 *simck, u8 *emsk)
+{
+	/*
+	 * RFC 4851, Section 5.4: EAP Master Session Key Genreration
+	 * EMSK = T-PRF(S-IMCK[j],
+	 *        "Extended Session Key Generating Function", 64)
+	 */
+
+	sha1_t_prf(simck, EAP_FAST_SIMCK_LEN,
+		   "Extended Session Key Generating Function", (u8 *) "", 0,
+		   emsk, EAP_EMSK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-FAST: Derived key (EMSK)",
+			emsk, EAP_EMSK_LEN);
+}
+
+
+int eap_fast_parse_tlv(struct eap_fast_tlv_parse *tlv,
+		       int tlv_type, u8 *pos, int len)
+{
+	switch (tlv_type) {
+	case EAP_TLV_EAP_PAYLOAD_TLV:
+		wpa_hexdump(MSG_MSGDUMP, "EAP-FAST: EAP-Payload TLV",
+			    pos, len);
+		if (tlv->eap_payload_tlv) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: More than one "
+				   "EAP-Payload TLV in the message");
+			tlv->iresult = EAP_TLV_RESULT_FAILURE;
+			return -2;
+		}
+		tlv->eap_payload_tlv = pos;
+		tlv->eap_payload_tlv_len = len;
+		break;
+	case EAP_TLV_RESULT_TLV:
+		wpa_hexdump(MSG_MSGDUMP, "EAP-FAST: Result TLV", pos, len);
+		if (tlv->result) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: More than one "
+				   "Result TLV in the message");
+			tlv->result = EAP_TLV_RESULT_FAILURE;
+			return -2;
+		}
+		if (len < 2) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Too short "
+				   "Result TLV");
+			tlv->result = EAP_TLV_RESULT_FAILURE;
+			break;
+		}
+		tlv->result = WPA_GET_BE16(pos);
+		if (tlv->result != EAP_TLV_RESULT_SUCCESS &&
+		    tlv->result != EAP_TLV_RESULT_FAILURE) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Unknown Result %d",
+				   tlv->result);
+			tlv->result = EAP_TLV_RESULT_FAILURE;
+		}
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Result: %s",
+			   tlv->result == EAP_TLV_RESULT_SUCCESS ?
+			   "Success" : "Failure");
+		break;
+	case EAP_TLV_INTERMEDIATE_RESULT_TLV:
+		wpa_hexdump(MSG_MSGDUMP, "EAP-FAST: Intermediate Result TLV",
+			    pos, len);
+		if (len < 2) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Too short "
+				   "Intermediate-Result TLV");
+			tlv->iresult = EAP_TLV_RESULT_FAILURE;
+			break;
+		}
+		if (tlv->iresult) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: More than one "
+				   "Intermediate-Result TLV in the message");
+			tlv->iresult = EAP_TLV_RESULT_FAILURE;
+			return -2;
+		}
+		tlv->iresult = WPA_GET_BE16(pos);
+		if (tlv->iresult != EAP_TLV_RESULT_SUCCESS &&
+		    tlv->iresult != EAP_TLV_RESULT_FAILURE) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Unknown Intermediate "
+				   "Result %d", tlv->iresult);
+			tlv->iresult = EAP_TLV_RESULT_FAILURE;
+		}
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Intermediate Result: %s",
+			   tlv->iresult == EAP_TLV_RESULT_SUCCESS ?
+			   "Success" : "Failure");
+		break;
+	case EAP_TLV_CRYPTO_BINDING_TLV:
+		wpa_hexdump(MSG_MSGDUMP, "EAP-FAST: Crypto-Binding TLV",
+			    pos, len);
+		if (tlv->crypto_binding) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: More than one "
+				   "Crypto-Binding TLV in the message");
+			tlv->iresult = EAP_TLV_RESULT_FAILURE;
+			return -2;
+		}
+		tlv->crypto_binding_len = sizeof(struct eap_tlv_hdr) + len;
+		if (tlv->crypto_binding_len < sizeof(*tlv->crypto_binding)) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Too short "
+				   "Crypto-Binding TLV");
+			tlv->iresult = EAP_TLV_RESULT_FAILURE;
+			return -2;
+		}
+		tlv->crypto_binding = (struct eap_tlv_crypto_binding_tlv *)
+			(pos - sizeof(struct eap_tlv_hdr));
+		break;
+	case EAP_TLV_REQUEST_ACTION_TLV:
+		wpa_hexdump(MSG_MSGDUMP, "EAP-FAST: Request-Action TLV",
+			    pos, len);
+		if (tlv->request_action) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: More than one "
+				   "Request-Action TLV in the message");
+			tlv->iresult = EAP_TLV_RESULT_FAILURE;
+			return -2;
+		}
+		if (len < 2) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Too short "
+				   "Request-Action TLV");
+			tlv->iresult = EAP_TLV_RESULT_FAILURE;
+			break;
+		}
+		tlv->request_action = WPA_GET_BE16(pos);
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Request-Action: %d",
+			   tlv->request_action);
+		break;
+	case EAP_TLV_PAC_TLV:
+		wpa_hexdump(MSG_MSGDUMP, "EAP-FAST: PAC TLV", pos, len);
+		if (tlv->pac) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: More than one "
+				   "PAC TLV in the message");
+			tlv->iresult = EAP_TLV_RESULT_FAILURE;
+			return -2;
+		}
+		tlv->pac = pos;
+		tlv->pac_len = len;
+		break;
+	default:
+		/* Unknown TLV */
+		return -1;
+	}
+
+	return 0;
+}
diff --git a/src/eap_common/eap_fast_common.h b/src/eap_common/eap_fast_common.h
new file mode 100644
index 0000000..c85fd37
--- /dev/null
+++ b/src/eap_common/eap_fast_common.h
@@ -0,0 +1,113 @@
+/*
+ * EAP-FAST definitions (RFC 4851)
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_FAST_H
+#define EAP_FAST_H
+
+#define EAP_FAST_VERSION 1
+#define EAP_FAST_KEY_LEN 64
+#define EAP_FAST_SIMCK_LEN 40
+#define EAP_FAST_SKS_LEN 40
+#define EAP_FAST_CMK_LEN 20
+
+#define TLS_EXT_PAC_OPAQUE 35
+
+/*
+ * RFC 5422: Section 4.2.1 - Formats for PAC TLV Attributes / Type Field
+ * Note: bit 0x8000 (Mandatory) and bit 0x4000 (Reserved) are also defined
+ * in the general PAC TLV format (Section 4.2).
+ */
+#define PAC_TYPE_PAC_KEY 1
+#define PAC_TYPE_PAC_OPAQUE 2
+#define PAC_TYPE_CRED_LIFETIME 3
+#define PAC_TYPE_A_ID 4
+#define PAC_TYPE_I_ID 5
+/*
+ * 6 was previous assigned for SERVER_PROTECTED_DATA, but
+ * draft-cam-winget-eap-fast-provisioning-02.txt changed this to Reserved.
+ */
+#define PAC_TYPE_A_ID_INFO 7
+#define PAC_TYPE_PAC_ACKNOWLEDGEMENT 8
+#define PAC_TYPE_PAC_INFO 9
+#define PAC_TYPE_PAC_TYPE 10
+
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+struct pac_tlv_hdr {
+	be16 type;
+	be16 len;
+} STRUCT_PACKED;
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+
+#define EAP_FAST_PAC_KEY_LEN 32
+
+/* RFC 5422: 4.2.6 PAC-Type TLV */
+#define PAC_TYPE_TUNNEL_PAC 1
+/* Application Specific Short Lived PACs (only in volatile storage) */
+/* User Authorization PAC */
+#define PAC_TYPE_USER_AUTHORIZATION 3
+/* Application Specific Long Lived PACs */
+/* Machine Authentication PAC */
+#define PAC_TYPE_MACHINE_AUTHENTICATION 2
+
+
+/*
+ * RFC 5422:
+ * Section 3.3 - Key Derivations Used in the EAP-FAST Provisioning Exchange
+ */
+struct eap_fast_key_block_provisioning {
+	/* Extra key material after TLS key_block */
+	u8 session_key_seed[EAP_FAST_SKS_LEN];
+	u8 server_challenge[16]; /* MSCHAPv2 ServerChallenge */
+	u8 client_challenge[16]; /* MSCHAPv2 ClientChallenge */
+};
+
+
+struct wpabuf;
+struct tls_connection;
+
+struct eap_fast_tlv_parse {
+	u8 *eap_payload_tlv;
+	size_t eap_payload_tlv_len;
+	struct eap_tlv_crypto_binding_tlv *crypto_binding;
+	size_t crypto_binding_len;
+	int iresult;
+	int result;
+	int request_action;
+	u8 *pac;
+	size_t pac_len;
+};
+
+void eap_fast_put_tlv_hdr(struct wpabuf *buf, u16 type, u16 len);
+void eap_fast_put_tlv(struct wpabuf *buf, u16 type, const void *data,
+		      u16 len);
+void eap_fast_put_tlv_buf(struct wpabuf *buf, u16 type,
+			  const struct wpabuf *data);
+struct wpabuf * eap_fast_tlv_eap_payload(struct wpabuf *buf);
+void eap_fast_derive_master_secret(const u8 *pac_key, const u8 *server_random,
+				   const u8 *client_random, u8 *master_secret);
+u8 * eap_fast_derive_key(void *ssl_ctx, struct tls_connection *conn,
+			 const char *label, size_t len);
+void eap_fast_derive_eap_msk(const u8 *simck, u8 *msk);
+void eap_fast_derive_eap_emsk(const u8 *simck, u8 *emsk);
+int eap_fast_parse_tlv(struct eap_fast_tlv_parse *tlv,
+		       int tlv_type, u8 *pos, int len);
+
+#endif /* EAP_FAST_H */
diff --git a/src/eap_common/eap_gpsk_common.c b/src/eap_common/eap_gpsk_common.c
new file mode 100644
index 0000000..4076262
--- /dev/null
+++ b/src/eap_common/eap_gpsk_common.c
@@ -0,0 +1,423 @@
+/*
+ * EAP server/peer: EAP-GPSK shared routines
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/aes_wrap.h"
+#include "crypto/sha256.h"
+#include "eap_defs.h"
+#include "eap_gpsk_common.h"
+
+
+/**
+ * eap_gpsk_supported_ciphersuite - Check whether ciphersuite is supported
+ * @vendor: CSuite/Vendor
+ * @specifier: CSuite/Specifier
+ * Returns: 1 if ciphersuite is support, or 0 if not
+ */
+int eap_gpsk_supported_ciphersuite(int vendor, int specifier)
+{
+	if (vendor == EAP_GPSK_VENDOR_IETF &&
+	    specifier == EAP_GPSK_CIPHER_AES)
+		return 1;
+#ifdef EAP_GPSK_SHA256
+	if (vendor == EAP_GPSK_VENDOR_IETF &&
+	    specifier == EAP_GPSK_CIPHER_SHA256)
+		return 1;
+#endif /* EAP_GPSK_SHA256 */
+	return 0;
+}
+
+
+static int eap_gpsk_gkdf_cmac(const u8 *psk /* Y */,
+			      const u8 *data /* Z */, size_t data_len,
+			      u8 *buf, size_t len /* X */)
+{
+	u8 *opos;
+	size_t i, n, hashlen, left, clen;
+	u8 ibuf[2], hash[16];
+	const u8 *addr[2];
+	size_t vlen[2];
+
+	hashlen = sizeof(hash);
+	/* M_i = MAC_Y (i || Z); (MAC = AES-CMAC-128) */
+	addr[0] = ibuf;
+	vlen[0] = sizeof(ibuf);
+	addr[1] = data;
+	vlen[1] = data_len;
+
+	opos = buf;
+	left = len;
+	n = (len + hashlen - 1) / hashlen;
+	for (i = 1; i <= n; i++) {
+		WPA_PUT_BE16(ibuf, i);
+		if (omac1_aes_128_vector(psk, 2, addr, vlen, hash))
+			return -1;
+		clen = left > hashlen ? hashlen : left;
+		os_memcpy(opos, hash, clen);
+		opos += clen;
+		left -= clen;
+	}
+
+	return 0;
+}
+
+
+#ifdef EAP_GPSK_SHA256
+static int eap_gpsk_gkdf_sha256(const u8 *psk /* Y */,
+				const u8 *data /* Z */, size_t data_len,
+				u8 *buf, size_t len /* X */)
+{
+	u8 *opos;
+	size_t i, n, hashlen, left, clen;
+	u8 ibuf[2], hash[SHA256_MAC_LEN];
+	const u8 *addr[2];
+	size_t vlen[2];
+
+	hashlen = SHA256_MAC_LEN;
+	/* M_i = MAC_Y (i || Z); (MAC = HMAC-SHA256) */
+	addr[0] = ibuf;
+	vlen[0] = sizeof(ibuf);
+	addr[1] = data;
+	vlen[1] = data_len;
+
+	opos = buf;
+	left = len;
+	n = (len + hashlen - 1) / hashlen;
+	for (i = 1; i <= n; i++) {
+		WPA_PUT_BE16(ibuf, i);
+		hmac_sha256_vector(psk, 32, 2, addr, vlen, hash);
+		clen = left > hashlen ? hashlen : left;
+		os_memcpy(opos, hash, clen);
+		opos += clen;
+		left -= clen;
+	}
+
+	return 0;
+}
+#endif /* EAP_GPSK_SHA256 */
+
+
+static int eap_gpsk_derive_keys_helper(u32 csuite_specifier,
+				       u8 *kdf_out, size_t kdf_out_len,
+				       const u8 *psk, size_t psk_len,
+				       const u8 *seed, size_t seed_len,
+				       u8 *msk, u8 *emsk,
+				       u8 *sk, size_t sk_len,
+				       u8 *pk, size_t pk_len)
+{
+	u8 mk[32], *pos, *data;
+	size_t data_len, mk_len;
+	int (*gkdf)(const u8 *_psk, const u8 *_data, size_t _data_len,
+		    u8 *buf, size_t len);
+
+	gkdf = NULL;
+	switch (csuite_specifier) {
+	case EAP_GPSK_CIPHER_AES:
+		gkdf = eap_gpsk_gkdf_cmac;
+		mk_len = 16;
+		break;
+#ifdef EAP_GPSK_SHA256
+	case EAP_GPSK_CIPHER_SHA256:
+		gkdf = eap_gpsk_gkdf_sha256;
+		mk_len = SHA256_MAC_LEN;
+		break;
+#endif /* EAP_GPSK_SHA256 */
+	default:
+		return -1;
+	}
+
+	if (psk_len < mk_len)
+		return -1;
+
+	data_len = 2 + psk_len + 6 + seed_len;
+	data = os_malloc(data_len);
+	if (data == NULL)
+		return -1;
+	pos = data;
+	WPA_PUT_BE16(pos, psk_len);
+	pos += 2;
+	os_memcpy(pos, psk, psk_len);
+	pos += psk_len;
+	WPA_PUT_BE32(pos, EAP_GPSK_VENDOR_IETF); /* CSuite/Vendor = IETF */
+	pos += 4;
+	WPA_PUT_BE16(pos, csuite_specifier); /* CSuite/Specifier */
+	pos += 2;
+	os_memcpy(pos, seed, seed_len); /* inputString */
+	wpa_hexdump_key(MSG_DEBUG, "EAP-GPSK: Data to MK derivation",
+			data, data_len);
+
+	if (gkdf(psk, data, data_len, mk, mk_len) < 0) {
+		os_free(data);
+		return -1;
+	}
+	os_free(data);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-GPSK: MK", mk, mk_len);
+
+	if (gkdf(mk, seed, seed_len, kdf_out, kdf_out_len) < 0)
+		return -1;
+
+	pos = kdf_out;
+	wpa_hexdump_key(MSG_DEBUG, "EAP-GPSK: MSK", pos, EAP_MSK_LEN);
+	os_memcpy(msk, pos, EAP_MSK_LEN);
+	pos += EAP_MSK_LEN;
+
+	wpa_hexdump_key(MSG_DEBUG, "EAP-GPSK: EMSK", pos, EAP_EMSK_LEN);
+	os_memcpy(emsk, pos, EAP_EMSK_LEN);
+	pos += EAP_EMSK_LEN;
+
+	wpa_hexdump_key(MSG_DEBUG, "EAP-GPSK: SK", pos, sk_len);
+	os_memcpy(sk, pos, sk_len);
+	pos += sk_len;
+
+	if (pk) {
+		wpa_hexdump_key(MSG_DEBUG, "EAP-GPSK: PK", pos, pk_len);
+		os_memcpy(pk, pos, pk_len);
+	}
+
+	return 0;
+}
+
+
+static int eap_gpsk_derive_keys_aes(const u8 *psk, size_t psk_len,
+				    const u8 *seed, size_t seed_len,
+				    u8 *msk, u8 *emsk, u8 *sk, size_t *sk_len,
+				    u8 *pk, size_t *pk_len)
+{
+#define EAP_GPSK_SK_LEN_AES 16
+#define EAP_GPSK_PK_LEN_AES 16
+	u8 kdf_out[EAP_MSK_LEN + EAP_EMSK_LEN + EAP_GPSK_SK_LEN_AES +
+		   EAP_GPSK_PK_LEN_AES];
+
+	/*
+	 * inputString = RAND_Peer || ID_Peer || RAND_Server || ID_Server
+	 *            (= seed)
+	 * KS = 16, PL = psk_len, CSuite_Sel = 0x00000000 0x0001
+	 * MK = GKDF-16 (PSK[0..15], PL || PSK || CSuite_Sel || inputString)
+	 * MSK = GKDF-160 (MK, inputString)[0..63]
+	 * EMSK = GKDF-160 (MK, inputString)[64..127]
+	 * SK = GKDF-160 (MK, inputString)[128..143]
+	 * PK = GKDF-160 (MK, inputString)[144..159]
+	 * zero = 0x00 || 0x00 || ... || 0x00 (16 times)
+	 * Method-ID = GKDF-16 (zero, "Method ID" || EAP_Method_Type ||
+	 *                      CSuite_Sel || inputString)
+	 */
+
+	*sk_len = EAP_GPSK_SK_LEN_AES;
+	*pk_len = EAP_GPSK_PK_LEN_AES;
+
+	return eap_gpsk_derive_keys_helper(EAP_GPSK_CIPHER_AES,
+					   kdf_out, sizeof(kdf_out),
+					   psk, psk_len, seed, seed_len,
+					   msk, emsk, sk, *sk_len,
+					   pk, *pk_len);
+}
+
+
+#ifdef EAP_GPSK_SHA256
+static int eap_gpsk_derive_keys_sha256(const u8 *psk, size_t psk_len,
+				       const u8 *seed, size_t seed_len,
+				       u8 *msk, u8 *emsk,
+				       u8 *sk, size_t *sk_len)
+{
+#define EAP_GPSK_SK_LEN_SHA256 SHA256_MAC_LEN
+#define EAP_GPSK_PK_LEN_SHA256 SHA256_MAC_LEN
+	u8 kdf_out[EAP_MSK_LEN + EAP_EMSK_LEN + EAP_GPSK_SK_LEN_SHA256 +
+		   EAP_GPSK_PK_LEN_SHA256];
+
+	/*
+	 * inputString = RAND_Peer || ID_Peer || RAND_Server || ID_Server
+	 *            (= seed)
+	 * KS = 32, PL = psk_len, CSuite_Sel = 0x00000000 0x0002
+	 * MK = GKDF-32 (PSK[0..31], PL || PSK || CSuite_Sel || inputString)
+	 * MSK = GKDF-160 (MK, inputString)[0..63]
+	 * EMSK = GKDF-160 (MK, inputString)[64..127]
+	 * SK = GKDF-160 (MK, inputString)[128..159]
+	 * zero = 0x00 || 0x00 || ... || 0x00 (32 times)
+	 * Method-ID = GKDF-16 (zero, "Method ID" || EAP_Method_Type ||
+	 *                      CSuite_Sel || inputString)
+	 */
+
+	*sk_len = EAP_GPSK_SK_LEN_SHA256;
+
+	return eap_gpsk_derive_keys_helper(EAP_GPSK_CIPHER_SHA256,
+					   kdf_out, sizeof(kdf_out),
+					   psk, psk_len, seed, seed_len,
+					   msk, emsk, sk, *sk_len,
+					   NULL, 0);
+}
+#endif /* EAP_GPSK_SHA256 */
+
+
+/**
+ * eap_gpsk_derive_keys - Derive EAP-GPSK keys
+ * @psk: Pre-shared key
+ * @psk_len: Length of psk in bytes
+ * @vendor: CSuite/Vendor
+ * @specifier: CSuite/Specifier
+ * @rand_peer: 32-byte RAND_Peer
+ * @rand_server: 32-byte RAND_Server
+ * @id_peer: ID_Peer
+ * @id_peer_len: Length of ID_Peer
+ * @id_server: ID_Server
+ * @id_server_len: Length of ID_Server
+ * @msk: Buffer for 64-byte MSK
+ * @emsk: Buffer for 64-byte EMSK
+ * @sk: Buffer for SK (at least EAP_GPSK_MAX_SK_LEN bytes)
+ * @sk_len: Buffer for returning length of SK
+ * @pk: Buffer for PK (at least EAP_GPSK_MAX_PK_LEN bytes)
+ * @pk_len: Buffer for returning length of PK
+ * Returns: 0 on success, -1 on failure
+ */
+int eap_gpsk_derive_keys(const u8 *psk, size_t psk_len, int vendor,
+			 int specifier,
+			 const u8 *rand_peer, const u8 *rand_server,
+			 const u8 *id_peer, size_t id_peer_len,
+			 const u8 *id_server, size_t id_server_len,
+			 u8 *msk, u8 *emsk, u8 *sk, size_t *sk_len,
+			 u8 *pk, size_t *pk_len)
+{
+	u8 *seed, *pos;
+	size_t seed_len;
+	int ret;
+
+	wpa_printf(MSG_DEBUG, "EAP-GPSK: Deriving keys (%d:%d)",
+		   vendor, specifier);
+
+	if (vendor != EAP_GPSK_VENDOR_IETF)
+		return -1;
+
+	wpa_hexdump_key(MSG_DEBUG, "EAP-GPSK: PSK", psk, psk_len);
+
+	/* Seed = RAND_Peer || ID_Peer || RAND_Server || ID_Server */
+	seed_len = 2 * EAP_GPSK_RAND_LEN + id_server_len + id_peer_len;
+	seed = os_malloc(seed_len);
+	if (seed == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Failed to allocate memory "
+			   "for key derivation");
+		return -1;
+	}
+
+	pos = seed;
+	os_memcpy(pos, rand_peer, EAP_GPSK_RAND_LEN);
+	pos += EAP_GPSK_RAND_LEN;
+	os_memcpy(pos, id_peer, id_peer_len);
+	pos += id_peer_len;
+	os_memcpy(pos, rand_server, EAP_GPSK_RAND_LEN);
+	pos += EAP_GPSK_RAND_LEN;
+	os_memcpy(pos, id_server, id_server_len);
+	pos += id_server_len;
+	wpa_hexdump(MSG_DEBUG, "EAP-GPSK: Seed", seed, seed_len);
+
+	switch (specifier) {
+	case EAP_GPSK_CIPHER_AES:
+		ret = eap_gpsk_derive_keys_aes(psk, psk_len, seed, seed_len,
+					       msk, emsk, sk, sk_len,
+					       pk, pk_len);
+		break;
+#ifdef EAP_GPSK_SHA256
+	case EAP_GPSK_CIPHER_SHA256:
+		ret = eap_gpsk_derive_keys_sha256(psk, psk_len, seed, seed_len,
+						  msk, emsk, sk, sk_len);
+		break;
+#endif /* EAP_GPSK_SHA256 */
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Unknown cipher %d:%d used in "
+			   "key derivation", vendor, specifier);
+		ret = -1;
+		break;
+	}
+
+	os_free(seed);
+
+	return ret;
+}
+
+
+/**
+ * eap_gpsk_mic_len - Get the length of the MIC
+ * @vendor: CSuite/Vendor
+ * @specifier: CSuite/Specifier
+ * Returns: MIC length in bytes
+ */
+size_t eap_gpsk_mic_len(int vendor, int specifier)
+{
+	if (vendor != EAP_GPSK_VENDOR_IETF)
+		return 0;
+
+	switch (specifier) {
+	case EAP_GPSK_CIPHER_AES:
+		return 16;
+#ifdef EAP_GPSK_SHA256
+	case EAP_GPSK_CIPHER_SHA256:
+		return 32;
+#endif /* EAP_GPSK_SHA256 */
+	default:
+		return 0;
+	}
+}
+
+
+static int eap_gpsk_compute_mic_aes(const u8 *sk, size_t sk_len,
+				    const u8 *data, size_t len, u8 *mic)
+{
+	if (sk_len != 16) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Invalid SK length %lu for "
+			   "AES-CMAC MIC", (unsigned long) sk_len);
+		return -1;
+	}
+
+	return omac1_aes_128(sk, data, len, mic);
+}
+
+
+/**
+ * eap_gpsk_compute_mic - Compute EAP-GPSK MIC for an EAP packet
+ * @sk: Session key SK from eap_gpsk_derive_keys()
+ * @sk_len: SK length in bytes from eap_gpsk_derive_keys()
+ * @vendor: CSuite/Vendor
+ * @specifier: CSuite/Specifier
+ * @data: Input data to MIC
+ * @len: Input data length in bytes
+ * @mic: Buffer for the computed MIC, eap_gpsk_mic_len(cipher) bytes
+ * Returns: 0 on success, -1 on failure
+ */
+int eap_gpsk_compute_mic(const u8 *sk, size_t sk_len, int vendor,
+			 int specifier, const u8 *data, size_t len, u8 *mic)
+{
+	int ret;
+
+	if (vendor != EAP_GPSK_VENDOR_IETF)
+		return -1;
+
+	switch (specifier) {
+	case EAP_GPSK_CIPHER_AES:
+		ret = eap_gpsk_compute_mic_aes(sk, sk_len, data, len, mic);
+		break;
+#ifdef EAP_GPSK_SHA256
+	case EAP_GPSK_CIPHER_SHA256:
+		hmac_sha256(sk, sk_len, data, len, mic);
+		ret = 0;
+		break;
+#endif /* EAP_GPSK_SHA256 */
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Unknown cipher %d:%d used in "
+			   "MIC computation", vendor, specifier);
+		ret = -1;
+		break;
+	}
+
+	return ret;
+}
diff --git a/src/eap_common/eap_gpsk_common.h b/src/eap_common/eap_gpsk_common.h
new file mode 100644
index 0000000..a30ab97
--- /dev/null
+++ b/src/eap_common/eap_gpsk_common.h
@@ -0,0 +1,66 @@
+/*
+ * EAP server/peer: EAP-GPSK shared routines
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_GPSK_COMMON_H
+#define EAP_GPSK_COMMON_H
+
+#define EAP_GPSK_OPCODE_GPSK_1 1
+#define EAP_GPSK_OPCODE_GPSK_2 2
+#define EAP_GPSK_OPCODE_GPSK_3 3
+#define EAP_GPSK_OPCODE_GPSK_4 4
+#define EAP_GPSK_OPCODE_FAIL 5
+#define EAP_GPSK_OPCODE_PROTECTED_FAIL 6
+
+/* Failure-Code in GPSK-Fail and GPSK-Protected-Fail */
+#define EAP_GPSK_FAIL_PSK_NOT_FOUND 0x00000001
+#define EAP_GPSK_FAIL_AUTHENTICATION_FAILURE 0x00000002
+#define EAP_GPSK_FAIL_AUTHORIZATION_FAILURE 0x00000003
+
+#define EAP_GPSK_RAND_LEN 32
+#define EAP_GPSK_MAX_SK_LEN 32
+#define EAP_GPSK_MAX_PK_LEN 32
+#define EAP_GPSK_MAX_MIC_LEN 32
+
+#define EAP_GPSK_VENDOR_IETF		0x00000000
+#define EAP_GPSK_CIPHER_RESERVED	0x000000
+#define EAP_GPSK_CIPHER_AES		0x000001
+#define EAP_GPSK_CIPHER_SHA256		0x000002
+
+
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+struct eap_gpsk_csuite {
+	u8 vendor[4];
+	u8 specifier[2];
+} STRUCT_PACKED;
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+int eap_gpsk_supported_ciphersuite(int vendor, int specifier);
+int eap_gpsk_derive_keys(const u8 *psk, size_t psk_len, int vendor,
+			 int specifier,
+			 const u8 *rand_client, const u8 *rand_server,
+			 const u8 *id_client, size_t id_client_len,
+			 const u8 *id_server, size_t id_server_len,
+			 u8 *msk, u8 *emsk, u8 *sk, size_t *sk_len,
+			 u8 *pk, size_t *pk_len);
+size_t eap_gpsk_mic_len(int vendor, int specifier);
+int eap_gpsk_compute_mic(const u8 *sk, size_t sk_len, int vendor,
+			 int specifier, const u8 *data, size_t len, u8 *mic);
+
+#endif /* EAP_GPSK_COMMON_H */
diff --git a/src/eap_common/eap_ikev2_common.c b/src/eap_common/eap_ikev2_common.c
new file mode 100644
index 0000000..e9a9c55
--- /dev/null
+++ b/src/eap_common/eap_ikev2_common.c
@@ -0,0 +1,132 @@
+/*
+ * EAP-IKEv2 common routines
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eap_defs.h"
+#include "eap_common.h"
+#include "ikev2_common.h"
+#include "eap_ikev2_common.h"
+
+
+int eap_ikev2_derive_keymat(int prf, struct ikev2_keys *keys,
+			    const u8 *i_nonce, size_t i_nonce_len,
+			    const u8 *r_nonce, size_t r_nonce_len,
+			    u8 *keymat)
+{
+	u8 *nonces;
+	size_t nlen;
+
+	/* KEYMAT = prf+(SK_d, Ni | Nr) */
+	if (keys->SK_d == NULL || i_nonce == NULL || r_nonce == NULL)
+		return -1;
+
+	nlen = i_nonce_len + r_nonce_len;
+	nonces = os_malloc(nlen);
+	if (nonces == NULL)
+		return -1;
+	os_memcpy(nonces, i_nonce, i_nonce_len);
+	os_memcpy(nonces + i_nonce_len, r_nonce, r_nonce_len);
+
+	if (ikev2_prf_plus(prf, keys->SK_d, keys->SK_d_len, nonces, nlen,
+			   keymat, EAP_MSK_LEN + EAP_EMSK_LEN)) {
+		os_free(nonces);
+		return -1;
+	}
+	os_free(nonces);
+
+	wpa_hexdump_key(MSG_DEBUG, "EAP-IKEV2: KEYMAT",
+			keymat, EAP_MSK_LEN + EAP_EMSK_LEN);
+
+	return 0;
+}
+
+
+struct wpabuf * eap_ikev2_build_frag_ack(u8 id, u8 code)
+{
+	struct wpabuf *msg;
+
+#ifdef CCNS_PL
+	msg = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_IKEV2, 1, code, id);
+	if (msg == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-IKEV2: Failed to allocate memory "
+			   "for fragment ack");
+		return NULL;
+	}
+	wpabuf_put_u8(msg, 0); /* Flags */
+#else /* CCNS_PL */
+	msg = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_IKEV2, 0, code, id);
+	if (msg == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-IKEV2: Failed to allocate memory "
+			   "for fragment ack");
+		return NULL;
+	}
+#endif /* CCNS_PL */
+
+	wpa_printf(MSG_DEBUG, "EAP-IKEV2: Send fragment ack");
+
+	return msg;
+}
+
+
+int eap_ikev2_validate_icv(int integ_alg, struct ikev2_keys *keys,
+			   int initiator, const struct wpabuf *msg,
+			   const u8 *pos, const u8 *end)
+{
+	const struct ikev2_integ_alg *integ;
+	size_t icv_len;
+	u8 icv[IKEV2_MAX_HASH_LEN];
+	const u8 *SK_a = initiator ? keys->SK_ai : keys->SK_ar;
+
+	integ = ikev2_get_integ(integ_alg);
+	if (integ == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: Unknown INTEG "
+			   "transform / cannot validate ICV");
+		return -1;
+	}
+	icv_len = integ->hash_len;
+
+	if (end - pos < (int) icv_len) {
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: Not enough room in the "
+			   "message for Integrity Checksum Data");
+		return -1;
+	}
+
+	if (SK_a == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: No SK_a for ICV validation");
+		return -1;
+	}
+
+	if (ikev2_integ_hash(integ_alg, SK_a, keys->SK_integ_len,
+			     wpabuf_head(msg),
+			     wpabuf_len(msg) - icv_len, icv) < 0) {
+		wpa_printf(MSG_INFO, "EAP-IKEV2: Could not calculate ICV");
+		return -1;
+	}
+
+	if (os_memcmp(icv, end - icv_len, icv_len) != 0) {
+		wpa_printf(MSG_INFO, "EAP-IKEV2: Invalid ICV");
+		wpa_hexdump(MSG_DEBUG, "EAP-IKEV2: Calculated ICV",
+			    icv, icv_len);
+		wpa_hexdump(MSG_DEBUG, "EAP-IKEV2: Received ICV",
+			    end - icv_len, icv_len);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-IKEV2: Valid Integrity Checksum Data in "
+		   "the received message");
+
+	return icv_len;
+}
diff --git a/src/eap_common/eap_ikev2_common.h b/src/eap_common/eap_ikev2_common.h
new file mode 100644
index 0000000..a9fc2ca
--- /dev/null
+++ b/src/eap_common/eap_ikev2_common.h
@@ -0,0 +1,42 @@
+/*
+ * EAP-IKEv2 definitions
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_IKEV2_COMMON_H
+#define EAP_IKEV2_COMMON_H
+
+#ifdef CCNS_PL
+/* incorrect bit order */
+#define IKEV2_FLAGS_LENGTH_INCLUDED 0x01
+#define IKEV2_FLAGS_MORE_FRAGMENTS 0x02
+#define IKEV2_FLAGS_ICV_INCLUDED 0x04
+#else /* CCNS_PL */
+#define IKEV2_FLAGS_LENGTH_INCLUDED 0x80
+#define IKEV2_FLAGS_MORE_FRAGMENTS 0x40
+#define IKEV2_FLAGS_ICV_INCLUDED 0x20
+#endif /* CCNS_PL */
+
+#define IKEV2_FRAGMENT_SIZE 1400
+
+struct ikev2_keys;
+
+int eap_ikev2_derive_keymat(int prf, struct ikev2_keys *keys,
+			    const u8 *i_nonce, size_t i_nonce_len,
+			    const u8 *r_nonce, size_t r_nonce_len,
+			    u8 *keymat);
+struct wpabuf * eap_ikev2_build_frag_ack(u8 id, u8 code);
+int eap_ikev2_validate_icv(int integ_alg, struct ikev2_keys *keys,
+			   int initiator, const struct wpabuf *msg,
+			   const u8 *pos, const u8 *end);
+
+#endif /* EAP_IKEV2_COMMON_H */
diff --git a/src/eap_common/eap_pax_common.c b/src/eap_common/eap_pax_common.c
new file mode 100644
index 0000000..32dc80c
--- /dev/null
+++ b/src/eap_common/eap_pax_common.c
@@ -0,0 +1,150 @@
+/*
+ * EAP server/peer: EAP-PAX shared routines
+ * Copyright (c) 2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/sha1.h"
+#include "eap_pax_common.h"
+
+
+/**
+ * eap_pax_kdf - PAX Key Derivation Function
+ * @mac_id: MAC ID (EAP_PAX_MAC_*) / currently, only HMAC_SHA1_128 is supported
+ * @key: Secret key (X)
+ * @key_len: Length of the secret key in bytes
+ * @identifier: Public identifier for the key (Y)
+ * @entropy: Exchanged entropy to seed the KDF (Z)
+ * @entropy_len: Length of the entropy in bytes
+ * @output_len: Output len in bytes (W)
+ * @output: Buffer for the derived key
+ * Returns: 0 on success, -1 failed
+ *
+ * RFC 4746, Section 2.6: PAX-KDF-W(X, Y, Z)
+ */
+int eap_pax_kdf(u8 mac_id, const u8 *key, size_t key_len,
+		const char *identifier,
+		const u8 *entropy, size_t entropy_len,
+		size_t output_len, u8 *output)
+{
+	u8 mac[SHA1_MAC_LEN];
+	u8 counter, *pos;
+	const u8 *addr[3];
+	size_t len[3];
+	size_t num_blocks, left;
+
+	num_blocks = (output_len + EAP_PAX_MAC_LEN - 1) / EAP_PAX_MAC_LEN;
+	if (identifier == NULL || num_blocks >= 255)
+		return -1;
+
+	/* TODO: add support for EAP_PAX_HMAC_SHA256_128 */
+	if (mac_id != EAP_PAX_MAC_HMAC_SHA1_128)
+		return -1;
+
+	addr[0] = (const u8 *) identifier;
+	len[0] = os_strlen(identifier);
+	addr[1] = entropy;
+	len[1] = entropy_len;
+	addr[2] = &counter;
+	len[2] = 1;
+
+	pos = output;
+	left = output_len;
+	for (counter = 1; counter <= (u8) num_blocks; counter++) {
+		size_t clen = left > EAP_PAX_MAC_LEN ? EAP_PAX_MAC_LEN : left;
+		hmac_sha1_vector(key, key_len, 3, addr, len, mac);
+		os_memcpy(pos, mac, clen);
+		pos += clen;
+		left -= clen;
+	}
+
+	return 0;
+}
+
+
+/**
+ * eap_pax_mac - EAP-PAX MAC
+ * @mac_id: MAC ID (EAP_PAX_MAC_*) / currently, only HMAC_SHA1_128 is supported
+ * @key: Secret key
+ * @key_len: Length of the secret key in bytes
+ * @data1: Optional data, first block; %NULL if not used
+ * @data1_len: Length of data1 in bytes
+ * @data2: Optional data, second block; %NULL if not used
+ * @data2_len: Length of data2 in bytes
+ * @data3: Optional data, third block; %NULL if not used
+ * @data3_len: Length of data3 in bytes
+ * @mac: Buffer for the MAC value (EAP_PAX_MAC_LEN = 16 bytes)
+ * Returns: 0 on success, -1 on failure
+ *
+ * Wrapper function to calculate EAP-PAX MAC.
+ */
+int eap_pax_mac(u8 mac_id, const u8 *key, size_t key_len,
+		const u8 *data1, size_t data1_len,
+		const u8 *data2, size_t data2_len,
+		const u8 *data3, size_t data3_len,
+		u8 *mac)
+{
+	u8 hash[SHA1_MAC_LEN];
+	const u8 *addr[3];
+	size_t len[3];
+	size_t count;
+
+	/* TODO: add support for EAP_PAX_HMAC_SHA256_128 */
+	if (mac_id != EAP_PAX_MAC_HMAC_SHA1_128)
+		return -1;
+
+	addr[0] = data1;
+	len[0] = data1_len;
+	addr[1] = data2;
+	len[1] = data2_len;
+	addr[2] = data3;
+	len[2] = data3_len;
+
+	count = (data1 ? 1 : 0) + (data2 ? 1 : 0) + (data3 ? 1 : 0);
+	hmac_sha1_vector(key, key_len, count, addr, len, hash);
+	os_memcpy(mac, hash, EAP_PAX_MAC_LEN);
+
+	return 0;
+}
+
+
+/**
+ * eap_pax_initial_key_derivation - EAP-PAX initial key derivation
+ * @mac_id: MAC ID (EAP_PAX_MAC_*) / currently, only HMAC_SHA1_128 is supported
+ * @ak: Authentication Key
+ * @e: Entropy
+ * @mk: Buffer for the derived Master Key
+ * @ck: Buffer for the derived Confirmation Key
+ * @ick: Buffer for the derived Integrity Check Key
+ * Returns: 0 on success, -1 on failure
+ */
+int eap_pax_initial_key_derivation(u8 mac_id, const u8 *ak, const u8 *e,
+				   u8 *mk, u8 *ck, u8 *ick)
+{
+	wpa_printf(MSG_DEBUG, "EAP-PAX: initial key derivation");
+	if (eap_pax_kdf(mac_id, ak, EAP_PAX_AK_LEN, "Master Key",
+			e, 2 * EAP_PAX_RAND_LEN, EAP_PAX_MK_LEN, mk) ||
+	    eap_pax_kdf(mac_id, mk, EAP_PAX_MK_LEN, "Confirmation Key",
+			e, 2 * EAP_PAX_RAND_LEN, EAP_PAX_CK_LEN, ck) ||
+	    eap_pax_kdf(mac_id, mk, EAP_PAX_MK_LEN, "Integrity Check Key",
+			e, 2 * EAP_PAX_RAND_LEN, EAP_PAX_ICK_LEN, ick))
+		return -1;
+
+	wpa_hexdump_key(MSG_MSGDUMP, "EAP-PAX: AK", ak, EAP_PAX_AK_LEN);
+	wpa_hexdump_key(MSG_MSGDUMP, "EAP-PAX: MK", mk, EAP_PAX_MK_LEN);
+	wpa_hexdump_key(MSG_MSGDUMP, "EAP-PAX: CK", ck, EAP_PAX_CK_LEN);
+	wpa_hexdump_key(MSG_MSGDUMP, "EAP-PAX: ICK", ick, EAP_PAX_ICK_LEN);
+
+	return 0;
+}
diff --git a/src/eap_common/eap_pax_common.h b/src/eap_common/eap_pax_common.h
new file mode 100644
index 0000000..dcc171e
--- /dev/null
+++ b/src/eap_common/eap_pax_common.h
@@ -0,0 +1,97 @@
+/*
+ * EAP server/peer: EAP-PAX shared routines
+ * Copyright (c) 2005-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_PAX_COMMON_H
+#define EAP_PAX_COMMON_H
+
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+struct eap_pax_hdr {
+	u8 op_code;
+	u8 flags;
+	u8 mac_id;
+	u8 dh_group_id;
+	u8 public_key_id;
+	/* Followed by variable length payload and ICV */
+} STRUCT_PACKED;
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+
+/* op_code: */
+enum {
+	EAP_PAX_OP_STD_1 = 0x01,
+	EAP_PAX_OP_STD_2 = 0x02,
+	EAP_PAX_OP_STD_3 = 0x03,
+	EAP_PAX_OP_SEC_1 = 0x11,
+	EAP_PAX_OP_SEC_2 = 0x12,
+	EAP_PAX_OP_SEC_3 = 0x13,
+	EAP_PAX_OP_SEC_4 = 0x14,
+	EAP_PAX_OP_SEC_5 = 0x15,
+	EAP_PAX_OP_ACK = 0x21
+};
+
+/* flags: */
+#define EAP_PAX_FLAGS_MF			0x01
+#define EAP_PAX_FLAGS_CE			0x02
+#define EAP_PAX_FLAGS_AI			0x04
+
+/* mac_id: */
+#define EAP_PAX_MAC_HMAC_SHA1_128		0x01
+#define EAP_PAX_HMAC_SHA256_128			0x02
+
+/* dh_group_id: */
+#define EAP_PAX_DH_GROUP_NONE			0x00
+#define EAP_PAX_DH_GROUP_2048_MODP		0x01
+#define EAP_PAX_DH_GROUP_3072_MODP		0x02
+#define EAP_PAX_DH_GROUP_NIST_ECC_P_256		0x03
+
+/* public_key_id: */
+#define EAP_PAX_PUBLIC_KEY_NONE			0x00
+#define EAP_PAX_PUBLIC_KEY_RSAES_OAEP		0x01
+#define EAP_PAX_PUBLIC_KEY_RSA_PKCS1_V1_5	0x02
+#define EAP_PAX_PUBLIC_KEY_EL_GAMAL_NIST_ECC	0x03
+
+/* ADE type: */
+#define EAP_PAX_ADE_VENDOR_SPECIFIC		0x01
+#define EAP_PAX_ADE_CLIENT_CHANNEL_BINDING	0x02
+#define EAP_PAX_ADE_SERVER_CHANNEL_BINDING	0x03
+
+
+#define EAP_PAX_RAND_LEN 32
+#define EAP_PAX_MAC_LEN 16
+#define EAP_PAX_ICV_LEN 16
+#define EAP_PAX_AK_LEN 16
+#define EAP_PAX_MK_LEN 16
+#define EAP_PAX_CK_LEN 16
+#define EAP_PAX_ICK_LEN 16
+
+
+int eap_pax_kdf(u8 mac_id, const u8 *key, size_t key_len,
+		const char *identifier,
+		const u8 *entropy, size_t entropy_len,
+		size_t output_len, u8 *output);
+int eap_pax_mac(u8 mac_id, const u8 *key, size_t key_len,
+		const u8 *data1, size_t data1_len,
+		const u8 *data2, size_t data2_len,
+		const u8 *data3, size_t data3_len,
+		u8 *mac);
+int eap_pax_initial_key_derivation(u8 mac_id, const u8 *ak, const u8 *e,
+				   u8 *mk, u8 *ck, u8 *ick);
+
+#endif /* EAP_PAX_COMMON_H */
diff --git a/src/eap_common/eap_peap_common.c b/src/eap_common/eap_peap_common.c
new file mode 100644
index 0000000..3a64b8e
--- /dev/null
+++ b/src/eap_common/eap_peap_common.c
@@ -0,0 +1,88 @@
+/*
+ * EAP-PEAP common routines
+ * Copyright (c) 2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/sha1.h"
+#include "eap_peap_common.h"
+
+void peap_prfplus(int version, const u8 *key, size_t key_len,
+		  const char *label, const u8 *seed, size_t seed_len,
+		  u8 *buf, size_t buf_len)
+{
+	unsigned char counter = 0;
+	size_t pos, plen;
+	u8 hash[SHA1_MAC_LEN];
+	size_t label_len = os_strlen(label);
+	u8 extra[2];
+	const unsigned char *addr[5];
+	size_t len[5];
+
+	addr[0] = hash;
+	len[0] = 0;
+	addr[1] = (unsigned char *) label;
+	len[1] = label_len;
+	addr[2] = seed;
+	len[2] = seed_len;
+
+	if (version == 0) {
+		/*
+		 * PRF+(K, S, LEN) = T1 | T2 | ... | Tn
+		 * T1 = HMAC-SHA1(K, S | 0x01 | 0x00 | 0x00)
+		 * T2 = HMAC-SHA1(K, T1 | S | 0x02 | 0x00 | 0x00)
+		 * ...
+		 * Tn = HMAC-SHA1(K, Tn-1 | S | n | 0x00 | 0x00)
+		 */
+
+		extra[0] = 0;
+		extra[1] = 0;
+
+		addr[3] = &counter;
+		len[3] = 1;
+		addr[4] = extra;
+		len[4] = 2;
+	} else {
+		/*
+		 * PRF (K,S,LEN) = T1 | T2 | T3 | T4 | ... where:
+		 * T1 = HMAC-SHA1(K, S | LEN | 0x01)
+		 * T2 = HMAC-SHA1 (K, T1 | S | LEN | 0x02)
+		 * T3 = HMAC-SHA1 (K, T2 | S | LEN | 0x03)
+		 * T4 = HMAC-SHA1 (K, T3 | S | LEN | 0x04)
+		 *   ...
+		 */
+
+		extra[0] = buf_len & 0xff;
+
+		addr[3] = extra;
+		len[3] = 1;
+		addr[4] = &counter;
+		len[4] = 1;
+	}
+
+	pos = 0;
+	while (pos < buf_len) {
+		counter++;
+		plen = buf_len - pos;
+		hmac_sha1_vector(key, key_len, 5, addr, len, hash);
+		if (plen >= SHA1_MAC_LEN) {
+			os_memcpy(&buf[pos], hash, SHA1_MAC_LEN);
+			pos += SHA1_MAC_LEN;
+		} else {
+			os_memcpy(&buf[pos], hash, plen);
+			break;
+		}
+		len[0] = SHA1_MAC_LEN;
+	}
+}
diff --git a/src/eap_common/eap_peap_common.h b/src/eap_common/eap_peap_common.h
new file mode 100644
index 0000000..f59afb0
--- /dev/null
+++ b/src/eap_common/eap_peap_common.h
@@ -0,0 +1,22 @@
+/*
+ * EAP-PEAP common routines
+ * Copyright (c) 2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_PEAP_COMMON_H
+#define EAP_PEAP_COMMON_H
+
+void peap_prfplus(int version, const u8 *key, size_t key_len,
+		  const char *label, const u8 *seed, size_t seed_len,
+		  u8 *buf, size_t buf_len);
+
+#endif /* EAP_PEAP_COMMON_H */
diff --git a/src/eap_common/eap_psk_common.c b/src/eap_common/eap_psk_common.c
new file mode 100644
index 0000000..7417d5c
--- /dev/null
+++ b/src/eap_common/eap_psk_common.c
@@ -0,0 +1,74 @@
+/*
+ * EAP server/peer: EAP-PSK shared routines
+ * Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/aes_wrap.h"
+#include "eap_defs.h"
+#include "eap_psk_common.h"
+
+#define aes_block_size 16
+
+
+int eap_psk_key_setup(const u8 *psk, u8 *ak, u8 *kdk)
+{
+	os_memset(ak, 0, aes_block_size);
+	if (aes_128_encrypt_block(psk, ak, ak))
+		return -1;
+	os_memcpy(kdk, ak, aes_block_size);
+	ak[aes_block_size - 1] ^= 0x01;
+	kdk[aes_block_size - 1] ^= 0x02;
+	if (aes_128_encrypt_block(psk, ak, ak) ||
+	    aes_128_encrypt_block(psk, kdk, kdk))
+		return -1;
+	return 0;
+}
+
+
+int eap_psk_derive_keys(const u8 *kdk, const u8 *rand_p, u8 *tek, u8 *msk,
+			u8 *emsk)
+{
+	u8 hash[aes_block_size];
+	u8 counter = 1;
+	int i;
+
+	if (aes_128_encrypt_block(kdk, rand_p, hash))
+		return -1;
+
+	hash[aes_block_size - 1] ^= counter;
+	if (aes_128_encrypt_block(kdk, hash, tek))
+		return -1;
+	hash[aes_block_size - 1] ^= counter;
+	counter++;
+
+	for (i = 0; i < EAP_MSK_LEN / aes_block_size; i++) {
+		hash[aes_block_size - 1] ^= counter;
+		if (aes_128_encrypt_block(kdk, hash, &msk[i * aes_block_size]))
+			return -1;
+		hash[aes_block_size - 1] ^= counter;
+		counter++;
+	}
+
+	for (i = 0; i < EAP_EMSK_LEN / aes_block_size; i++) {
+		hash[aes_block_size - 1] ^= counter;
+		if (aes_128_encrypt_block(kdk, hash,
+					  &emsk[i * aes_block_size]))
+			return -1;
+		hash[aes_block_size - 1] ^= counter;
+		counter++;
+	}
+
+	return 0;
+}
diff --git a/src/eap_common/eap_psk_common.h b/src/eap_common/eap_psk_common.h
new file mode 100644
index 0000000..8adc054
--- /dev/null
+++ b/src/eap_common/eap_psk_common.h
@@ -0,0 +1,78 @@
+/*
+ * EAP server/peer: EAP-PSK shared routines
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_PSK_COMMON_H
+#define EAP_PSK_COMMON_H
+
+
+#define EAP_PSK_RAND_LEN 16
+#define EAP_PSK_MAC_LEN 16
+#define EAP_PSK_TEK_LEN 16
+#define EAP_PSK_PSK_LEN 16
+#define EAP_PSK_AK_LEN 16
+#define EAP_PSK_KDK_LEN 16
+
+#define EAP_PSK_R_FLAG_CONT 1
+#define EAP_PSK_R_FLAG_DONE_SUCCESS 2
+#define EAP_PSK_R_FLAG_DONE_FAILURE 3
+#define EAP_PSK_E_FLAG 0x20
+
+#define EAP_PSK_FLAGS_GET_T(flags) (((flags) & 0xc0) >> 6)
+#define EAP_PSK_FLAGS_SET_T(t) ((u8) (t) << 6)
+
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+/* EAP-PSK First Message (AS -> Supplicant) */
+struct eap_psk_hdr_1 {
+	u8 flags;
+	u8 rand_s[EAP_PSK_RAND_LEN];
+	/* Followed by variable length ID_S */
+} STRUCT_PACKED;
+
+/* EAP-PSK Second Message (Supplicant -> AS) */
+struct eap_psk_hdr_2 {
+	u8 flags;
+	u8 rand_s[EAP_PSK_RAND_LEN];
+	u8 rand_p[EAP_PSK_RAND_LEN];
+	u8 mac_p[EAP_PSK_MAC_LEN];
+	/* Followed by variable length ID_P */
+} STRUCT_PACKED;
+
+/* EAP-PSK Third Message (AS -> Supplicant) */
+struct eap_psk_hdr_3 {
+	u8 flags;
+	u8 rand_s[EAP_PSK_RAND_LEN];
+	u8 mac_s[EAP_PSK_MAC_LEN];
+	/* Followed by variable length PCHANNEL */
+} STRUCT_PACKED;
+
+/* EAP-PSK Fourth Message (Supplicant -> AS) */
+struct eap_psk_hdr_4 {
+	u8 flags;
+	u8 rand_s[EAP_PSK_RAND_LEN];
+	/* Followed by variable length PCHANNEL */
+} STRUCT_PACKED;
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+
+int __must_check eap_psk_key_setup(const u8 *psk, u8 *ak, u8 *kdk);
+int __must_check eap_psk_derive_keys(const u8 *kdk, const u8 *rand_p, u8 *tek,
+				     u8 *msk, u8 *emsk);
+
+#endif /* EAP_PSK_COMMON_H */
diff --git a/src/eap_common/eap_pwd_common.c b/src/eap_common/eap_pwd_common.c
new file mode 100644
index 0000000..c24b146
--- /dev/null
+++ b/src/eap_common/eap_pwd_common.c
@@ -0,0 +1,312 @@
+/*
+ * EAP server/peer: EAP-pwd shared routines
+ * Copyright (c) 2010, Dan Harkins <dharkins@lounge.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the BSD license.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include "common.h"
+#include "eap_defs.h"
+#include "eap_pwd_common.h"
+
+/* The random function H(x) = HMAC-SHA256(0^32, x) */
+void H_Init(HMAC_CTX *ctx)
+{
+	u8 allzero[SHA256_DIGEST_LENGTH];
+
+	os_memset(allzero, 0, SHA256_DIGEST_LENGTH);
+	HMAC_Init(ctx, allzero, SHA256_DIGEST_LENGTH, EVP_sha256());
+}
+
+
+void H_Update(HMAC_CTX *ctx, const u8 *data, int len)
+{
+	HMAC_Update(ctx, data, len);
+}
+
+
+void H_Final(HMAC_CTX *ctx, u8 *digest)
+{
+	unsigned int mdlen = SHA256_DIGEST_LENGTH;
+
+	HMAC_Final(ctx, digest, &mdlen);
+	HMAC_CTX_cleanup(ctx);
+}
+
+
+/* a counter-based KDF based on NIST SP800-108 */
+void eap_pwd_kdf(u8 *key, int keylen, u8 *label, int labellen,
+		 u8 *result, int resultbitlen)
+{
+	HMAC_CTX hctx;
+	unsigned char digest[SHA256_DIGEST_LENGTH];
+	u16 i, ctr, L;
+	int resultbytelen, len = 0;
+	unsigned int mdlen = SHA256_DIGEST_LENGTH;
+	unsigned char mask = 0xff;
+
+	resultbytelen = (resultbitlen + 7)/8;
+	ctr = 0;
+	L = htons(resultbitlen);
+	while (len < resultbytelen) {
+		ctr++; i = htons(ctr);
+		HMAC_Init(&hctx, key, keylen, EVP_sha256());
+		if (ctr > 1)
+			HMAC_Update(&hctx, digest, mdlen);
+		HMAC_Update(&hctx, (u8 *) &i, sizeof(u16));
+		HMAC_Update(&hctx, label, labellen);
+		HMAC_Update(&hctx, (u8 *) &L, sizeof(u16));
+		HMAC_Final(&hctx, digest, &mdlen);
+		if ((len + (int) mdlen) > resultbytelen)
+			os_memcpy(result + len, digest, resultbytelen - len);
+		else
+			os_memcpy(result + len, digest, mdlen);
+		len += mdlen;
+		HMAC_CTX_cleanup(&hctx);
+	}
+
+	/* since we're expanding to a bit length, mask off the excess */
+	if (resultbitlen % 8) {
+		mask >>= ((resultbytelen * 8) - resultbitlen);
+		result[0] &= mask;
+	}
+}
+
+
+/*
+ * compute a "random" secret point on an elliptic curve based
+ * on the password and identities.
+ */
+int compute_password_element(EAP_PWD_group *grp, u16 num,
+			     u8 *password, int password_len,
+			     u8 *id_server, int id_server_len,
+			     u8 *id_peer, int id_peer_len, u8 *token)
+{
+	BIGNUM *x_candidate = NULL, *rnd = NULL, *cofactor = NULL;
+	HMAC_CTX ctx;
+	unsigned char pwe_digest[SHA256_DIGEST_LENGTH], *prfbuf = NULL, ctr;
+	int nid, is_odd, primebitlen, primebytelen, ret = 0;
+
+	switch (num) { /* from IANA registry for IKE D-H groups */
+        case 19:
+		nid = NID_X9_62_prime256v1;
+		break;
+        case 20:
+		nid = NID_secp384r1;
+		break;
+        case 21:
+		nid = NID_secp521r1;
+		break;
+        case 25:
+		nid = NID_X9_62_prime192v1;
+		break;
+        case 26:
+		nid = NID_secp224r1;
+		break;
+        default:
+		wpa_printf(MSG_INFO, "EAP-pwd: unsupported group %d", num);
+		return -1;
+	}
+
+	grp->pwe = NULL;
+	grp->order = NULL;
+	grp->prime = NULL;
+
+	if ((grp->group = EC_GROUP_new_by_curve_name(nid)) == NULL) {
+		wpa_printf(MSG_INFO, "EAP-pwd: unable to create EC_GROUP");
+		goto fail;
+	}
+
+	if (((rnd = BN_new()) == NULL) ||
+	    ((cofactor = BN_new()) == NULL) ||
+	    ((grp->pwe = EC_POINT_new(grp->group)) == NULL) ||
+	    ((grp->order = BN_new()) == NULL) ||
+	    ((grp->prime = BN_new()) == NULL) ||
+	    ((x_candidate = BN_new()) == NULL)) {
+		wpa_printf(MSG_INFO, "EAP-pwd: unable to create bignums");
+		goto fail;
+	}
+
+	if (!EC_GROUP_get_curve_GFp(grp->group, grp->prime, NULL, NULL, NULL))
+	{
+		wpa_printf(MSG_INFO, "EAP-pwd: unable to get prime for GFp "
+			   "curve");
+		goto fail;
+	}
+	if (!EC_GROUP_get_order(grp->group, grp->order, NULL)) {
+		wpa_printf(MSG_INFO, "EAP-pwd: unable to get order for curve");
+		goto fail;
+	}
+	if (!EC_GROUP_get_cofactor(grp->group, cofactor, NULL)) {
+		wpa_printf(MSG_INFO, "EAP-pwd: unable to get cofactor for "
+			   "curve");
+		goto fail;
+	}
+	primebitlen = BN_num_bits(grp->prime);
+	primebytelen = BN_num_bytes(grp->prime);
+	if ((prfbuf = os_malloc(primebytelen)) == NULL) {
+		wpa_printf(MSG_INFO, "EAP-pwd: unable to malloc space for prf "
+			   "buffer");
+		goto fail;
+	}
+	os_memset(prfbuf, 0, primebytelen);
+	ctr = 0;
+	while (1) {
+		if (ctr > 10) {
+			wpa_printf(MSG_INFO, "EAP-pwd: unable to find random "
+				   "point on curve for group %d, something's "
+				   "fishy", num);
+			goto fail;
+		}
+		ctr++;
+
+		/*
+		 * compute counter-mode password value and stretch to prime
+		 *    pwd-seed = H(token | peer-id | server-id | password |
+		 *		   counter)
+		 */
+		H_Init(&ctx);
+		H_Update(&ctx, token, sizeof(u32));
+		H_Update(&ctx, id_peer, id_peer_len);
+		H_Update(&ctx, id_server, id_server_len);
+		H_Update(&ctx, password, password_len);
+		H_Update(&ctx, &ctr, sizeof(ctr));
+		H_Final(&ctx, pwe_digest);
+
+		BN_bin2bn(pwe_digest, SHA256_DIGEST_LENGTH, rnd);
+
+		eap_pwd_kdf(pwe_digest, SHA256_DIGEST_LENGTH,
+			    (unsigned char *) "EAP-pwd Hunting And Pecking",
+			    os_strlen("EAP-pwd Hunting And Pecking"),
+			    prfbuf, primebitlen);
+
+		BN_bin2bn(prfbuf, primebytelen, x_candidate);
+		if (BN_ucmp(x_candidate, grp->prime) >= 0)
+			continue;
+
+		wpa_hexdump(MSG_DEBUG, "EAP-pwd: x_candidate",
+			    prfbuf, primebytelen);
+
+		/*
+		 * need to unambiguously identify the solution, if there is
+		 * one...
+		 */
+		if (BN_is_odd(rnd))
+			is_odd = 1;
+		else
+			is_odd = 0;
+
+		/*
+		 * solve the quadratic equation, if it's not solvable then we
+		 * don't have a point
+		 */
+		if (!EC_POINT_set_compressed_coordinates_GFp(grp->group,
+							     grp->pwe,
+							     x_candidate,
+							     is_odd, NULL))
+			continue;
+		/*
+		 * If there's a solution to the equation then the point must be
+		 * on the curve so why check again explicitly? OpenSSL code
+		 * says this is required by X9.62. We're not X9.62 but it can't
+		 * hurt just to be sure.
+		 */
+		if (!EC_POINT_is_on_curve(grp->group, grp->pwe, NULL)) {
+			wpa_printf(MSG_INFO, "EAP-pwd: point is not on curve");
+			continue;
+		}
+
+		if (BN_cmp(cofactor, BN_value_one())) {
+			/* make sure the point is not in a small sub-group */
+			if (!EC_POINT_mul(grp->group, grp->pwe, NULL, grp->pwe,
+					  cofactor, NULL)) {
+				wpa_printf(MSG_INFO, "EAP-pwd: cannot "
+					   "multiply generator by order");
+				continue;
+			}
+			if (EC_POINT_is_at_infinity(grp->group, grp->pwe)) {
+				wpa_printf(MSG_INFO, "EAP-pwd: point is at "
+					   "infinity");
+				continue;
+			}
+		}
+		/* if we got here then we have a new generator. */
+		break;
+	}
+	wpa_printf(MSG_DEBUG, "EAP-pwd: found a PWE in %d tries", ctr);
+	grp->group_num = num;
+	if (0) {
+ fail:
+		EC_GROUP_free(grp->group);
+		EC_POINT_free(grp->pwe);
+		BN_free(grp->order);
+		BN_free(grp->prime);
+		os_free(grp);
+		grp = NULL;
+		ret = 1;
+	}
+	/* cleanliness and order.... */
+	BN_free(cofactor);
+	BN_free(x_candidate);
+	BN_free(rnd);
+	os_free(prfbuf);
+
+	return ret;
+}
+
+
+int compute_keys(EAP_PWD_group *grp, BN_CTX *bnctx, BIGNUM *k,
+		 BIGNUM *peer_scalar, BIGNUM *server_scalar,
+		 u8 *commit_peer, u8 *commit_server,
+		 u32 *ciphersuite, u8 *msk, u8 *emsk)
+{
+	HMAC_CTX ctx;
+	u8 mk[SHA256_DIGEST_LENGTH], *cruft;
+	u8 session_id[SHA256_DIGEST_LENGTH + 1];
+	u8 msk_emsk[EAP_MSK_LEN + EAP_EMSK_LEN];
+
+	if ((cruft = os_malloc(BN_num_bytes(grp->prime))) == NULL)
+		return -1;
+
+	/*
+	 * first compute the session-id = TypeCode | H(ciphersuite | scal_p |
+	 *	scal_s)
+	 */
+	session_id[0] = EAP_TYPE_PWD;
+	H_Init(&ctx);
+	H_Update(&ctx, (u8 *)ciphersuite, sizeof(u32));
+	BN_bn2bin(peer_scalar, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(grp->order));
+	BN_bn2bin(server_scalar, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(grp->order));
+	H_Final(&ctx, &session_id[1]);
+
+	/* then compute MK = H(k | commit-peer | commit-server) */
+	H_Init(&ctx);
+	os_memset(cruft, 0, BN_num_bytes(grp->prime));
+	BN_bn2bin(k, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(grp->prime));
+	H_Update(&ctx, commit_peer, SHA256_DIGEST_LENGTH);
+	H_Update(&ctx, commit_server, SHA256_DIGEST_LENGTH);
+	H_Final(&ctx, mk);
+
+	/* stretch the mk with the session-id to get MSK | EMSK */
+	eap_pwd_kdf(mk, SHA256_DIGEST_LENGTH,
+		    session_id, SHA256_DIGEST_LENGTH+1,
+		    msk_emsk, (EAP_MSK_LEN + EAP_EMSK_LEN) * 8);
+
+	os_memcpy(msk, msk_emsk, EAP_MSK_LEN);
+	os_memcpy(emsk, msk_emsk + EAP_MSK_LEN, EAP_EMSK_LEN);
+
+	os_free(cruft);
+
+	return 1;
+}
diff --git a/src/eap_common/eap_pwd_common.h b/src/eap_common/eap_pwd_common.h
new file mode 100644
index 0000000..971386d
--- /dev/null
+++ b/src/eap_common/eap_pwd_common.h
@@ -0,0 +1,79 @@
+/*
+ * EAP server/peer: EAP-pwd shared definitions
+ * Copyright (c) 2009, Dan Harkins <dharkins@lounge.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the BSD license.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_PWD_COMMON_H
+#define EAP_PWD_COMMON_H
+
+#include <openssl/bn.h>
+#include <openssl/sha.h>
+#include <openssl/ec.h>
+#include <openssl/evp.h>
+#include <openssl/hmac.h>
+
+/*
+ * definition of a finite cyclic group
+ * TODO: support one based on a prime field
+ */
+typedef struct group_definition_ {
+	u16 group_num;
+	EC_GROUP *group;
+	EC_POINT *pwe;
+	BIGNUM *order;
+	BIGNUM *prime;
+} EAP_PWD_group;
+
+/*
+ * EAP-pwd header, included on all payloads
+ */
+struct eap_pwd_hdr {
+	u8 l_bit:1;
+	u8 m_bit:1;
+	u8 exch:6;
+	u8 total_length[0];         /* included when l_bit is set */
+} STRUCT_PACKED;
+
+#define EAP_PWD_OPCODE_ID_EXCH          1
+#define EAP_PWD_OPCODE_COMMIT_EXCH      2
+#define EAP_PWD_OPCODE_CONFIRM_EXCH     3
+#define EAP_PWD_GET_LENGTH_BIT(x)       ((x)->lm_exch & 0x80)
+#define EAP_PWD_SET_LENGTH_BIT(x)       ((x)->lm_exch |= 0x80)
+#define EAP_PWD_GET_MORE_BIT(x)         ((x)->lm_exch & 0x40)
+#define EAP_PWD_SET_MORE_BIT(x)         ((x)->lm_exch |= 0x40)
+#define EAP_PWD_GET_EXCHANGE(x)         ((x)->lm_exch & 0x3f)
+#define EAP_PWD_SET_EXCHANGE(x,y)       ((x)->lm_exch |= (y))
+
+/* EAP-pwd-ID payload */
+struct eap_pwd_id {
+	be16 group_num;
+	u8 random_function;
+#define EAP_PWD_DEFAULT_RAND_FUNC       1
+	u8 prf;
+#define EAP_PWD_DEFAULT_PRF             1
+	u8 token[4];
+	u8 prep;
+#define EAP_PWD_PREP_NONE               0
+#define EAP_PWD_PREP_MS                 1
+	u8 identity[0];     /* length inferred from payload */
+} STRUCT_PACKED;
+
+/* common routines */
+int compute_password_element(EAP_PWD_group *, u16, u8 *, int, u8 *, int, u8 *,
+			     int, u8 *);
+int compute_keys(EAP_PWD_group *, BN_CTX *, BIGNUM *, BIGNUM *, BIGNUM *,
+		 u8 *, u8 *, u32 *, u8 *, u8 *);
+void H_Init(HMAC_CTX *);
+void H_Update(HMAC_CTX *, const u8 *, int);
+void H_Final(HMAC_CTX *, u8 *);
+
+#endif  /* EAP_PWD_COMMON_H */
diff --git a/src/eap_common/eap_sake_common.c b/src/eap_common/eap_sake_common.c
new file mode 100644
index 0000000..9002b0c
--- /dev/null
+++ b/src/eap_common/eap_sake_common.c
@@ -0,0 +1,393 @@
+/*
+ * EAP server/peer: EAP-SAKE shared routines
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "wpabuf.h"
+#include "crypto/sha1.h"
+#include "eap_defs.h"
+#include "eap_sake_common.h"
+
+
+static int eap_sake_parse_add_attr(struct eap_sake_parse_attr *attr,
+				   const u8 *pos)
+{
+	size_t i;
+
+	switch (pos[0]) {
+	case EAP_SAKE_AT_RAND_S:
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Parse: AT_RAND_S");
+		if (pos[1] != 2 + EAP_SAKE_RAND_LEN) {
+			wpa_printf(MSG_DEBUG, "EAP-SAKE: AT_RAND_S with "
+				   "invalid length %d", pos[1]);
+			return -1;
+		}
+		attr->rand_s = pos + 2;
+		break;
+	case EAP_SAKE_AT_RAND_P:
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Parse: AT_RAND_P");
+		if (pos[1] != 2 + EAP_SAKE_RAND_LEN) {
+			wpa_printf(MSG_DEBUG, "EAP-SAKE: AT_RAND_P with "
+				   "invalid length %d", pos[1]);
+			return -1;
+		}
+		attr->rand_p = pos + 2;
+		break;
+	case EAP_SAKE_AT_MIC_S:
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Parse: AT_MIC_S");
+		if (pos[1] != 2 + EAP_SAKE_MIC_LEN) {
+			wpa_printf(MSG_DEBUG, "EAP-SAKE: AT_MIC_S with "
+				   "invalid length %d", pos[1]);
+			return -1;
+		}
+		attr->mic_s = pos + 2;
+		break;
+	case EAP_SAKE_AT_MIC_P:
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Parse: AT_MIC_P");
+		if (pos[1] != 2 + EAP_SAKE_MIC_LEN) {
+			wpa_printf(MSG_DEBUG, "EAP-SAKE: AT_MIC_P with "
+				   "invalid length %d", pos[1]);
+			return -1;
+		}
+		attr->mic_p = pos + 2;
+		break;
+	case EAP_SAKE_AT_SERVERID:
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Parse: AT_SERVERID");
+		attr->serverid = pos + 2;
+		attr->serverid_len = pos[1] - 2;
+		break;
+	case EAP_SAKE_AT_PEERID:
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Parse: AT_PEERID");
+		attr->peerid = pos + 2;
+		attr->peerid_len = pos[1] - 2;
+		break;
+	case EAP_SAKE_AT_SPI_S:
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Parse: AT_SPI_S");
+		attr->spi_s = pos + 2;
+		attr->spi_s_len = pos[1] - 2;
+		break;
+	case EAP_SAKE_AT_SPI_P:
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Parse: AT_SPI_P");
+		attr->spi_p = pos + 2;
+		attr->spi_p_len = pos[1] - 2;
+		break;
+	case EAP_SAKE_AT_ANY_ID_REQ:
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Parse: AT_ANY_ID_REQ");
+		if (pos[1] != 4) {
+			wpa_printf(MSG_DEBUG, "EAP-SAKE: Invalid AT_ANY_ID_REQ"
+				   " length %d", pos[1]);
+			return -1;
+		}
+		attr->any_id_req = pos + 2;
+		break;
+	case EAP_SAKE_AT_PERM_ID_REQ:
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Parse: AT_PERM_ID_REQ");
+		if (pos[1] != 4) {
+			wpa_printf(MSG_DEBUG, "EAP-SAKE: Invalid "
+				   "AT_PERM_ID_REQ length %d", pos[1]);
+			return -1;
+		}
+		attr->perm_id_req = pos + 2;
+		break;
+	case EAP_SAKE_AT_ENCR_DATA:
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Parse: AT_ENCR_DATA");
+		attr->encr_data = pos + 2;
+		attr->encr_data_len = pos[1] - 2;
+		break;
+	case EAP_SAKE_AT_IV:
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Parse: AT_IV");
+		attr->iv = pos + 2;
+		attr->iv_len = pos[1] - 2;
+		break;
+	case EAP_SAKE_AT_PADDING:
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Parse: AT_PADDING");
+		for (i = 2; i < pos[1]; i++) {
+			if (pos[i]) {
+				wpa_printf(MSG_DEBUG, "EAP-SAKE: AT_PADDING "
+					   "with non-zero pad byte");
+				return -1;
+			}
+		}
+		break;
+	case EAP_SAKE_AT_NEXT_TMPID:
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Parse: AT_NEXT_TMPID");
+		attr->next_tmpid = pos + 2;
+		attr->next_tmpid_len = pos[1] - 2;
+		break;
+	case EAP_SAKE_AT_MSK_LIFE:
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Parse: AT_IV");
+		if (pos[1] != 6) {
+			wpa_printf(MSG_DEBUG, "EAP-SAKE: Invalid "
+				   "AT_MSK_LIFE length %d", pos[1]);
+			return -1;
+		}
+		attr->msk_life = pos + 2;
+		break;
+	default:
+		if (pos[0] < 128) {
+			wpa_printf(MSG_DEBUG, "EAP-SAKE: Unknown non-skippable"
+				   " attribute %d", pos[0]);
+			return -1;
+		}
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Ignoring unknown skippable "
+			   "attribute %d", pos[0]);
+		break;
+	}
+
+	if (attr->iv && !attr->encr_data) {
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: AT_IV included without "
+			   "AT_ENCR_DATA");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+/**
+ * eap_sake_parse_attributes - Parse EAP-SAKE attributes
+ * @buf: Packet payload (starting with the first attribute)
+ * @len: Payload length
+ * @attr: Structure to be filled with found attributes
+ * Returns: 0 on success or -1 on failure
+ */
+int eap_sake_parse_attributes(const u8 *buf, size_t len,
+			      struct eap_sake_parse_attr *attr)
+{
+	const u8 *pos = buf, *end = buf + len;
+
+	os_memset(attr, 0, sizeof(*attr));
+	while (pos < end) {
+		if (end - pos < 2) {
+			wpa_printf(MSG_DEBUG, "EAP-SAKE: Too short attribute");
+			return -1;
+		}
+
+		if (pos[1] < 2) {
+			wpa_printf(MSG_DEBUG, "EAP-SAKE: Invalid attribute "
+				   "length (%d)", pos[1]);
+			return -1;
+		}
+
+		if (pos + pos[1] > end) {
+			wpa_printf(MSG_DEBUG, "EAP-SAKE: Attribute underflow");
+			return -1;
+		}
+
+		if (eap_sake_parse_add_attr(attr, pos))
+			return -1;
+
+		pos += pos[1];
+	}
+
+	return 0;
+}
+
+
+/**
+ * eap_sake_kdf - EAP-SAKE Key Derivation Function (KDF)
+ * @key: Key for KDF
+ * @key_len: Length of the key in bytes
+ * @label: A unique label for each purpose of the KDF
+ * @data: Extra data (start) to bind into the key
+ * @data_len: Length of the data
+ * @data2: Extra data (end) to bind into the key
+ * @data2_len: Length of the data2
+ * @buf: Buffer for the generated pseudo-random key
+ * @buf_len: Number of bytes of key to generate
+ *
+ * This function is used to derive new, cryptographically separate keys from a
+ * given key (e.g., SMS). This is identical to the PRF used in IEEE 802.11i.
+ */
+static void eap_sake_kdf(const u8 *key, size_t key_len, const char *label,
+			 const u8 *data, size_t data_len,
+			 const u8 *data2, size_t data2_len,
+			 u8 *buf, size_t buf_len)
+{
+	u8 counter = 0;
+	size_t pos, plen;
+	u8 hash[SHA1_MAC_LEN];
+	size_t label_len = os_strlen(label) + 1;
+	const unsigned char *addr[4];
+	size_t len[4];
+
+	addr[0] = (u8 *) label; /* Label | Y */
+	len[0] = label_len;
+	addr[1] = data; /* Msg[start] */
+	len[1] = data_len;
+	addr[2] = data2; /* Msg[end] */
+	len[2] = data2_len;
+	addr[3] = &counter; /* Length */
+	len[3] = 1;
+
+	pos = 0;
+	while (pos < buf_len) {
+		plen = buf_len - pos;
+		if (plen >= SHA1_MAC_LEN) {
+			hmac_sha1_vector(key, key_len, 4, addr, len,
+					 &buf[pos]);
+			pos += SHA1_MAC_LEN;
+		} else {
+			hmac_sha1_vector(key, key_len, 4, addr, len,
+					 hash);
+			os_memcpy(&buf[pos], hash, plen);
+			break;
+		}
+		counter++;
+	}
+}
+
+
+/**
+ * eap_sake_derive_keys - Derive EAP-SAKE keys
+ * @root_secret_a: 16-byte Root-Secret-A
+ * @root_secret_b: 16-byte Root-Secret-B
+ * @rand_s: 16-byte RAND_S
+ * @rand_p: 16-byte RAND_P
+ * @tek: Buffer for Temporary EAK Keys (TEK-Auth[16] | TEK-Cipher[16])
+ * @msk: Buffer for 64-byte MSK
+ * @emsk: Buffer for 64-byte EMSK
+ *
+ * This function derives EAP-SAKE keys as defined in RFC 4763, section 3.2.6.
+ */
+void eap_sake_derive_keys(const u8 *root_secret_a, const u8 *root_secret_b,
+			  const u8 *rand_s, const u8 *rand_p, u8 *tek, u8 *msk,
+			  u8 *emsk)
+{
+	u8 sms_a[EAP_SAKE_SMS_LEN];
+	u8 sms_b[EAP_SAKE_SMS_LEN];
+	u8 key_buf[EAP_MSK_LEN + EAP_EMSK_LEN];
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: Deriving keys");
+
+	wpa_hexdump_key(MSG_DEBUG, "EAP-SAKE: Root-Secret-A",
+			root_secret_a, EAP_SAKE_ROOT_SECRET_LEN);
+	eap_sake_kdf(root_secret_a, EAP_SAKE_ROOT_SECRET_LEN,
+		     "SAKE Master Secret A",
+		     rand_p, EAP_SAKE_RAND_LEN, rand_s, EAP_SAKE_RAND_LEN,
+		     sms_a, EAP_SAKE_SMS_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-SAKE: SMS-A", sms_a, EAP_SAKE_SMS_LEN);
+	eap_sake_kdf(sms_a, EAP_SAKE_SMS_LEN, "Transient EAP Key",
+		     rand_s, EAP_SAKE_RAND_LEN, rand_p, EAP_SAKE_RAND_LEN,
+		     tek, EAP_SAKE_TEK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-SAKE: TEK-Auth",
+			tek, EAP_SAKE_TEK_AUTH_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-SAKE: TEK-Cipher",
+			tek + EAP_SAKE_TEK_AUTH_LEN, EAP_SAKE_TEK_CIPHER_LEN);
+
+	wpa_hexdump_key(MSG_DEBUG, "EAP-SAKE: Root-Secret-B",
+			root_secret_b, EAP_SAKE_ROOT_SECRET_LEN);
+	eap_sake_kdf(root_secret_b, EAP_SAKE_ROOT_SECRET_LEN,
+		     "SAKE Master Secret B",
+		     rand_p, EAP_SAKE_RAND_LEN, rand_s, EAP_SAKE_RAND_LEN,
+		     sms_b, EAP_SAKE_SMS_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-SAKE: SMS-B", sms_b, EAP_SAKE_SMS_LEN);
+	eap_sake_kdf(sms_b, EAP_SAKE_SMS_LEN, "Master Session Key",
+		     rand_s, EAP_SAKE_RAND_LEN, rand_p, EAP_SAKE_RAND_LEN,
+		     key_buf, sizeof(key_buf));
+	os_memcpy(msk, key_buf, EAP_MSK_LEN);
+	os_memcpy(emsk, key_buf + EAP_MSK_LEN, EAP_EMSK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-SAKE: MSK", msk, EAP_MSK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-SAKE: EMSK", emsk, EAP_EMSK_LEN);
+}
+
+
+/**
+ * eap_sake_compute_mic - Compute EAP-SAKE MIC for an EAP packet
+ * @tek_auth: 16-byte TEK-Auth
+ * @rand_s: 16-byte RAND_S
+ * @rand_p: 16-byte RAND_P
+ * @serverid: SERVERID
+ * @serverid_len: SERVERID length
+ * @peerid: PEERID
+ * @peerid_len: PEERID length
+ * @peer: MIC calculation for 0 = Server, 1 = Peer message
+ * @eap: EAP packet
+ * @eap_len: EAP packet length
+ * @mic_pos: MIC position in the EAP packet (must be [eap .. eap + eap_len])
+ * @mic: Buffer for the computed 16-byte MIC
+ */
+int eap_sake_compute_mic(const u8 *tek_auth,
+			 const u8 *rand_s, const u8 *rand_p,
+			 const u8 *serverid, size_t serverid_len,
+			 const u8 *peerid, size_t peerid_len,
+			 int peer, const u8 *eap, size_t eap_len,
+			 const u8 *mic_pos, u8 *mic)
+{
+	u8 _rand[2 * EAP_SAKE_RAND_LEN];
+	u8 *tmp, *pos;
+	size_t tmplen;
+
+	tmplen = serverid_len + 1 + peerid_len + 1 + eap_len;
+	tmp = os_malloc(tmplen);
+	if (tmp == NULL)
+		return -1;
+	pos = tmp;
+	if (peer) {
+		if (peerid) {
+			os_memcpy(pos, peerid, peerid_len);
+			pos += peerid_len;
+		}
+		*pos++ = 0x00;
+		if (serverid) {
+			os_memcpy(pos, serverid, serverid_len);
+			pos += serverid_len;
+		}
+		*pos++ = 0x00;
+
+		os_memcpy(_rand, rand_s, EAP_SAKE_RAND_LEN);
+		os_memcpy(_rand + EAP_SAKE_RAND_LEN, rand_p,
+			  EAP_SAKE_RAND_LEN);
+	} else {
+		if (serverid) {
+			os_memcpy(pos, serverid, serverid_len);
+			pos += serverid_len;
+		}
+		*pos++ = 0x00;
+		if (peerid) {
+			os_memcpy(pos, peerid, peerid_len);
+			pos += peerid_len;
+		}
+		*pos++ = 0x00;
+
+		os_memcpy(_rand, rand_p, EAP_SAKE_RAND_LEN);
+		os_memcpy(_rand + EAP_SAKE_RAND_LEN, rand_s,
+			  EAP_SAKE_RAND_LEN);
+	}
+
+	os_memcpy(pos, eap, eap_len);
+	os_memset(pos + (mic_pos - eap), 0, EAP_SAKE_MIC_LEN);
+
+	eap_sake_kdf(tek_auth, EAP_SAKE_TEK_AUTH_LEN,
+		     peer ? "Peer MIC" : "Server MIC",
+		     _rand, 2 * EAP_SAKE_RAND_LEN, tmp, tmplen,
+		     mic, EAP_SAKE_MIC_LEN);
+
+	os_free(tmp);
+
+	return 0;
+}
+
+
+void eap_sake_add_attr(struct wpabuf *buf, u8 type, const u8 *data,
+		       size_t len)
+{
+	wpabuf_put_u8(buf, type);
+	wpabuf_put_u8(buf, 2 + len); /* Length; including attr header */
+	if (data)
+		wpabuf_put_data(buf, data, len);
+	else
+		os_memset(wpabuf_put(buf, len), 0, len);
+}
diff --git a/src/eap_common/eap_sake_common.h b/src/eap_common/eap_sake_common.h
new file mode 100644
index 0000000..201e207
--- /dev/null
+++ b/src/eap_common/eap_sake_common.h
@@ -0,0 +1,102 @@
+/*
+ * EAP server/peer: EAP-SAKE shared routines
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_SAKE_COMMON_H
+#define EAP_SAKE_COMMON_H
+
+#define EAP_SAKE_VERSION 2
+
+#define EAP_SAKE_SUBTYPE_CHALLENGE 1
+#define EAP_SAKE_SUBTYPE_CONFIRM 2
+#define EAP_SAKE_SUBTYPE_AUTH_REJECT 3
+#define EAP_SAKE_SUBTYPE_IDENTITY 4
+
+#define EAP_SAKE_AT_RAND_S 1
+#define EAP_SAKE_AT_RAND_P 2
+#define EAP_SAKE_AT_MIC_S 3
+#define EAP_SAKE_AT_MIC_P 4
+#define EAP_SAKE_AT_SERVERID 5
+#define EAP_SAKE_AT_PEERID 6
+#define EAP_SAKE_AT_SPI_S 7
+#define EAP_SAKE_AT_SPI_P 8
+#define EAP_SAKE_AT_ANY_ID_REQ 9
+#define EAP_SAKE_AT_PERM_ID_REQ 10
+#define EAP_SAKE_AT_ENCR_DATA 128
+#define EAP_SAKE_AT_IV 129
+#define EAP_SAKE_AT_PADDING 130
+#define EAP_SAKE_AT_NEXT_TMPID 131
+#define EAP_SAKE_AT_MSK_LIFE 132
+
+#define EAP_SAKE_RAND_LEN 16
+#define EAP_SAKE_MIC_LEN 16
+#define EAP_SAKE_ROOT_SECRET_LEN 16
+#define EAP_SAKE_SMS_LEN 16
+#define EAP_SAKE_TEK_AUTH_LEN 16
+#define EAP_SAKE_TEK_CIPHER_LEN 16
+#define EAP_SAKE_TEK_LEN (EAP_SAKE_TEK_AUTH_LEN + EAP_SAKE_TEK_CIPHER_LEN)
+
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+struct eap_sake_hdr {
+	u8 version; /* EAP_SAKE_VERSION */
+	u8 session_id;
+	u8 subtype;
+} STRUCT_PACKED;
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+
+struct eap_sake_parse_attr {
+	const u8 *rand_s;
+	const u8 *rand_p;
+	const u8 *mic_s;
+	const u8 *mic_p;
+	const u8 *serverid;
+	size_t serverid_len;
+	const u8 *peerid;
+	size_t peerid_len;
+	const u8 *spi_s;
+	size_t spi_s_len;
+	const u8 *spi_p;
+	size_t spi_p_len;
+	const u8 *any_id_req;
+	const u8 *perm_id_req;
+	const u8 *encr_data;
+	size_t encr_data_len;
+	const u8 *iv;
+	size_t iv_len;
+	const u8 *next_tmpid;
+	size_t next_tmpid_len;
+	const u8 *msk_life;
+};
+
+int eap_sake_parse_attributes(const u8 *buf, size_t len,
+			      struct eap_sake_parse_attr *attr);
+void eap_sake_derive_keys(const u8 *root_secret_a, const u8 *root_secret_b,
+			  const u8 *rand_s, const u8 *rand_p,
+			  u8 *tek, u8 *msk, u8 *emsk);
+int eap_sake_compute_mic(const u8 *tek_auth,
+			 const u8 *rand_s, const u8 *rand_p,
+			 const u8 *serverid, size_t serverid_len,
+			 const u8 *peerid, size_t peerid_len,
+			 int peer, const u8 *eap, size_t eap_len,
+			 const u8 *mic_pos, u8 *mic);
+void eap_sake_add_attr(struct wpabuf *buf, u8 type, const u8 *data,
+		       size_t len);
+
+#endif /* EAP_SAKE_COMMON_H */
diff --git a/src/eap_common/eap_sim_common.c b/src/eap_common/eap_sim_common.c
new file mode 100644
index 0000000..0b37b0b
--- /dev/null
+++ b/src/eap_common/eap_sim_common.c
@@ -0,0 +1,1215 @@
+/*
+ * EAP peer/server: EAP-SIM/AKA/AKA' shared routines
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "wpabuf.h"
+#include "crypto/aes_wrap.h"
+#include "crypto/crypto.h"
+#include "crypto/sha1.h"
+#include "crypto/sha256.h"
+#include "crypto/random.h"
+#include "eap_common/eap_defs.h"
+#include "eap_common/eap_sim_common.h"
+
+
+static int eap_sim_prf(const u8 *key, u8 *x, size_t xlen)
+{
+	return fips186_2_prf(key, EAP_SIM_MK_LEN, x, xlen);
+}
+
+
+void eap_sim_derive_mk(const u8 *identity, size_t identity_len,
+		       const u8 *nonce_mt, u16 selected_version,
+		       const u8 *ver_list, size_t ver_list_len,
+		       int num_chal, const u8 *kc, u8 *mk)
+{
+	u8 sel_ver[2];
+	const unsigned char *addr[5];
+	size_t len[5];
+
+	addr[0] = identity;
+	len[0] = identity_len;
+	addr[1] = kc;
+	len[1] = num_chal * EAP_SIM_KC_LEN;
+	addr[2] = nonce_mt;
+	len[2] = EAP_SIM_NONCE_MT_LEN;
+	addr[3] = ver_list;
+	len[3] = ver_list_len;
+	addr[4] = sel_ver;
+	len[4] = 2;
+
+	WPA_PUT_BE16(sel_ver, selected_version);
+
+	/* MK = SHA1(Identity|n*Kc|NONCE_MT|Version List|Selected Version) */
+	sha1_vector(5, addr, len, mk);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-SIM: MK", mk, EAP_SIM_MK_LEN);
+}
+
+
+void eap_aka_derive_mk(const u8 *identity, size_t identity_len,
+		       const u8 *ik, const u8 *ck, u8 *mk)
+{
+	const u8 *addr[3];
+	size_t len[3];
+
+	addr[0] = identity;
+	len[0] = identity_len;
+	addr[1] = ik;
+	len[1] = EAP_AKA_IK_LEN;
+	addr[2] = ck;
+	len[2] = EAP_AKA_CK_LEN;
+
+	/* MK = SHA1(Identity|IK|CK) */
+	sha1_vector(3, addr, len, mk);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-AKA: IK", ik, EAP_AKA_IK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-AKA: CK", ck, EAP_AKA_CK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-AKA: MK", mk, EAP_SIM_MK_LEN);
+}
+
+
+int eap_sim_derive_keys(const u8 *mk, u8 *k_encr, u8 *k_aut, u8 *msk, u8 *emsk)
+{
+	u8 buf[EAP_SIM_K_ENCR_LEN + EAP_SIM_K_AUT_LEN +
+	       EAP_SIM_KEYING_DATA_LEN + EAP_EMSK_LEN], *pos;
+	if (eap_sim_prf(mk, buf, sizeof(buf)) < 0) {
+		wpa_printf(MSG_ERROR, "EAP-SIM: Failed to derive keys");
+		return -1;
+	}
+	pos = buf;
+	os_memcpy(k_encr, pos, EAP_SIM_K_ENCR_LEN);
+	pos += EAP_SIM_K_ENCR_LEN;
+	os_memcpy(k_aut, pos, EAP_SIM_K_AUT_LEN);
+	pos += EAP_SIM_K_AUT_LEN;
+	os_memcpy(msk, pos, EAP_SIM_KEYING_DATA_LEN);
+	pos += EAP_SIM_KEYING_DATA_LEN;
+	os_memcpy(emsk, pos, EAP_EMSK_LEN);
+
+	wpa_hexdump_key(MSG_DEBUG, "EAP-SIM: K_encr",
+			k_encr, EAP_SIM_K_ENCR_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-SIM: K_aut",
+			k_aut, EAP_SIM_K_AUT_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-SIM: keying material (MSK)",
+			msk, EAP_SIM_KEYING_DATA_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-SIM: EMSK", emsk, EAP_EMSK_LEN);
+	os_memset(buf, 0, sizeof(buf));
+
+	return 0;
+}
+
+
+int eap_sim_derive_keys_reauth(u16 _counter,
+			       const u8 *identity, size_t identity_len,
+			       const u8 *nonce_s, const u8 *mk, u8 *msk,
+			       u8 *emsk)
+{
+	u8 xkey[SHA1_MAC_LEN];
+	u8 buf[EAP_SIM_KEYING_DATA_LEN + EAP_EMSK_LEN + 32];
+	u8 counter[2];
+	const u8 *addr[4];
+	size_t len[4];
+
+	while (identity_len > 0 && identity[identity_len - 1] == 0) {
+		wpa_printf(MSG_DEBUG, "EAP-SIM: Workaround - drop null "
+			   "character from the end of identity");
+		identity_len--;
+	}
+	addr[0] = identity;
+	len[0] = identity_len;
+	addr[1] = counter;
+	len[1] = 2;
+	addr[2] = nonce_s;
+	len[2] = EAP_SIM_NONCE_S_LEN;
+	addr[3] = mk;
+	len[3] = EAP_SIM_MK_LEN;
+
+	WPA_PUT_BE16(counter, _counter);
+
+	wpa_printf(MSG_DEBUG, "EAP-SIM: Deriving keying data from reauth");
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-SIM: Identity",
+			  identity, identity_len);
+	wpa_hexdump(MSG_DEBUG, "EAP-SIM: counter", counter, 2);
+	wpa_hexdump(MSG_DEBUG, "EAP-SIM: NONCE_S", nonce_s,
+		    EAP_SIM_NONCE_S_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-SIM: MK", mk, EAP_SIM_MK_LEN);
+
+	/* XKEY' = SHA1(Identity|counter|NONCE_S|MK) */
+	sha1_vector(4, addr, len, xkey);
+	wpa_hexdump(MSG_DEBUG, "EAP-SIM: XKEY'", xkey, SHA1_MAC_LEN);
+
+	if (eap_sim_prf(xkey, buf, sizeof(buf)) < 0) {
+		wpa_printf(MSG_ERROR, "EAP-SIM: Failed to derive keys");
+		return -1;
+	}
+	if (msk) {
+		os_memcpy(msk, buf, EAP_SIM_KEYING_DATA_LEN);
+		wpa_hexdump(MSG_DEBUG, "EAP-SIM: keying material (MSK)",
+			    msk, EAP_SIM_KEYING_DATA_LEN);
+	}
+	if (emsk) {
+		os_memcpy(emsk, buf + EAP_SIM_KEYING_DATA_LEN, EAP_EMSK_LEN);
+		wpa_hexdump(MSG_DEBUG, "EAP-SIM: EMSK", emsk, EAP_EMSK_LEN);
+	}
+	os_memset(buf, 0, sizeof(buf));
+
+	return 0;
+}
+
+
+int eap_sim_verify_mac(const u8 *k_aut, const struct wpabuf *req,
+		       const u8 *mac, const u8 *extra, size_t extra_len)
+{
+	unsigned char hmac[SHA1_MAC_LEN];
+	const u8 *addr[2];
+	size_t len[2];
+	u8 *tmp;
+
+	if (mac == NULL || wpabuf_len(req) < EAP_SIM_MAC_LEN ||
+	    mac < wpabuf_head_u8(req) ||
+	    mac > wpabuf_head_u8(req) + wpabuf_len(req) - EAP_SIM_MAC_LEN)
+		return -1;
+
+	tmp = os_malloc(wpabuf_len(req));
+	if (tmp == NULL)
+		return -1;
+
+	addr[0] = tmp;
+	len[0] = wpabuf_len(req);
+	addr[1] = extra;
+	len[1] = extra_len;
+
+	/* HMAC-SHA1-128 */
+	os_memcpy(tmp, wpabuf_head(req), wpabuf_len(req));
+	os_memset(tmp + (mac - wpabuf_head_u8(req)), 0, EAP_SIM_MAC_LEN);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-SIM: Verify MAC - msg",
+		    tmp, wpabuf_len(req));
+	wpa_hexdump(MSG_MSGDUMP, "EAP-SIM: Verify MAC - extra data",
+		    extra, extra_len);
+	wpa_hexdump_key(MSG_MSGDUMP, "EAP-SIM: Verify MAC - K_aut",
+			k_aut, EAP_SIM_K_AUT_LEN);
+	hmac_sha1_vector(k_aut, EAP_SIM_K_AUT_LEN, 2, addr, len, hmac);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-SIM: Verify MAC: MAC",
+		    hmac, EAP_SIM_MAC_LEN);
+	os_free(tmp);
+
+	return (os_memcmp(hmac, mac, EAP_SIM_MAC_LEN) == 0) ? 0 : 1;
+}
+
+
+void eap_sim_add_mac(const u8 *k_aut, const u8 *msg, size_t msg_len, u8 *mac,
+		     const u8 *extra, size_t extra_len)
+{
+	unsigned char hmac[SHA1_MAC_LEN];
+	const u8 *addr[2];
+	size_t len[2];
+
+	addr[0] = msg;
+	len[0] = msg_len;
+	addr[1] = extra;
+	len[1] = extra_len;
+
+	/* HMAC-SHA1-128 */
+	os_memset(mac, 0, EAP_SIM_MAC_LEN);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-SIM: Add MAC - msg", msg, msg_len);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-SIM: Add MAC - extra data",
+		    extra, extra_len);
+	wpa_hexdump_key(MSG_MSGDUMP, "EAP-SIM: Add MAC - K_aut",
+			k_aut, EAP_SIM_K_AUT_LEN);
+	hmac_sha1_vector(k_aut, EAP_SIM_K_AUT_LEN, 2, addr, len, hmac);
+	os_memcpy(mac, hmac, EAP_SIM_MAC_LEN);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-SIM: Add MAC: MAC",
+		    mac, EAP_SIM_MAC_LEN);
+}
+
+
+#if defined(EAP_AKA_PRIME) || defined(EAP_SERVER_AKA_PRIME)
+static void prf_prime(const u8 *k, const char *seed1,
+		      const u8 *seed2, size_t seed2_len,
+		      const u8 *seed3, size_t seed3_len,
+		      u8 *res, size_t res_len)
+{
+	const u8 *addr[5];
+	size_t len[5];
+	u8 hash[SHA256_MAC_LEN];
+	u8 iter;
+
+	/*
+	 * PRF'(K,S) = T1 | T2 | T3 | T4 | ...
+	 * T1 = HMAC-SHA-256 (K, S | 0x01)
+	 * T2 = HMAC-SHA-256 (K, T1 | S | 0x02)
+	 * T3 = HMAC-SHA-256 (K, T2 | S | 0x03)
+	 * T4 = HMAC-SHA-256 (K, T3 | S | 0x04)
+	 * ...
+	 */
+
+	addr[0] = hash;
+	len[0] = 0;
+	addr[1] = (const u8 *) seed1;
+	len[1] = os_strlen(seed1);
+	addr[2] = seed2;
+	len[2] = seed2_len;
+	addr[3] = seed3;
+	len[3] = seed3_len;
+	addr[4] = &iter;
+	len[4] = 1;
+
+	iter = 0;
+	while (res_len) {
+		size_t hlen;
+		iter++;
+		hmac_sha256_vector(k, 32, 5, addr, len, hash);
+		len[0] = SHA256_MAC_LEN;
+		hlen = res_len > SHA256_MAC_LEN ? SHA256_MAC_LEN : res_len;
+		os_memcpy(res, hash, hlen);
+		res += hlen;
+		res_len -= hlen;
+	}
+}
+
+
+void eap_aka_prime_derive_keys(const u8 *identity, size_t identity_len,
+			       const u8 *ik, const u8 *ck, u8 *k_encr,
+			       u8 *k_aut, u8 *k_re, u8 *msk, u8 *emsk)
+{
+	u8 key[EAP_AKA_IK_LEN + EAP_AKA_CK_LEN];
+	u8 keys[EAP_SIM_K_ENCR_LEN + EAP_AKA_PRIME_K_AUT_LEN +
+		EAP_AKA_PRIME_K_RE_LEN + EAP_MSK_LEN + EAP_EMSK_LEN];
+	u8 *pos;
+
+	/*
+	 * MK = PRF'(IK'|CK',"EAP-AKA'"|Identity)
+	 * K_encr = MK[0..127]
+	 * K_aut  = MK[128..383]
+	 * K_re   = MK[384..639]
+	 * MSK    = MK[640..1151]
+	 * EMSK   = MK[1152..1663]
+	 */
+
+	os_memcpy(key, ik, EAP_AKA_IK_LEN);
+	os_memcpy(key + EAP_AKA_IK_LEN, ck, EAP_AKA_CK_LEN);
+
+	prf_prime(key, "EAP-AKA'", identity, identity_len, NULL, 0,
+		  keys, sizeof(keys));
+
+	pos = keys;
+	os_memcpy(k_encr, pos, EAP_SIM_K_ENCR_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-AKA': K_encr",
+			k_encr, EAP_SIM_K_ENCR_LEN);
+	pos += EAP_SIM_K_ENCR_LEN;
+
+	os_memcpy(k_aut, pos, EAP_AKA_PRIME_K_AUT_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-AKA': K_aut",
+			k_aut, EAP_AKA_PRIME_K_AUT_LEN);
+	pos += EAP_AKA_PRIME_K_AUT_LEN;
+
+	os_memcpy(k_re, pos, EAP_AKA_PRIME_K_RE_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-AKA': K_re",
+			k_re, EAP_AKA_PRIME_K_RE_LEN);
+	pos += EAP_AKA_PRIME_K_RE_LEN;
+
+	os_memcpy(msk, pos, EAP_MSK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-AKA': MSK", msk, EAP_MSK_LEN);
+	pos += EAP_MSK_LEN;
+
+	os_memcpy(emsk, pos, EAP_EMSK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-AKA': EMSK", emsk, EAP_EMSK_LEN);
+}
+
+
+int eap_aka_prime_derive_keys_reauth(const u8 *k_re, u16 counter,
+				     const u8 *identity, size_t identity_len,
+				     const u8 *nonce_s, u8 *msk, u8 *emsk)
+{
+	u8 seed3[2 + EAP_SIM_NONCE_S_LEN];
+	u8 keys[EAP_MSK_LEN + EAP_EMSK_LEN];
+	u8 *pos;
+
+	/*
+	 * MK = PRF'(K_re,"EAP-AKA' re-auth"|Identity|counter|NONCE_S)
+	 * MSK  = MK[0..511]
+	 * EMSK = MK[512..1023]
+	 */
+
+	WPA_PUT_BE16(seed3, counter);
+	os_memcpy(seed3 + 2, nonce_s, EAP_SIM_NONCE_S_LEN);
+
+	prf_prime(k_re, "EAP-AKA' re-auth", identity, identity_len,
+		  seed3, sizeof(seed3),
+		  keys, sizeof(keys));
+
+	pos = keys;
+	os_memcpy(msk, pos, EAP_MSK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-AKA': MSK", msk, EAP_MSK_LEN);
+	pos += EAP_MSK_LEN;
+
+	os_memcpy(emsk, pos, EAP_EMSK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-AKA': EMSK", emsk, EAP_EMSK_LEN);
+
+	os_memset(keys, 0, sizeof(keys));
+
+	return 0;
+}
+
+
+int eap_sim_verify_mac_sha256(const u8 *k_aut, const struct wpabuf *req,
+			      const u8 *mac, const u8 *extra, size_t extra_len)
+{
+	unsigned char hmac[SHA256_MAC_LEN];
+	const u8 *addr[2];
+	size_t len[2];
+	u8 *tmp;
+
+	if (mac == NULL || wpabuf_len(req) < EAP_SIM_MAC_LEN ||
+	    mac < wpabuf_head_u8(req) ||
+	    mac > wpabuf_head_u8(req) + wpabuf_len(req) - EAP_SIM_MAC_LEN)
+		return -1;
+
+	tmp = os_malloc(wpabuf_len(req));
+	if (tmp == NULL)
+		return -1;
+
+	addr[0] = tmp;
+	len[0] = wpabuf_len(req);
+	addr[1] = extra;
+	len[1] = extra_len;
+
+	/* HMAC-SHA-256-128 */
+	os_memcpy(tmp, wpabuf_head(req), wpabuf_len(req));
+	os_memset(tmp + (mac - wpabuf_head_u8(req)), 0, EAP_SIM_MAC_LEN);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-AKA': Verify MAC - msg",
+		    tmp, wpabuf_len(req));
+	wpa_hexdump(MSG_MSGDUMP, "EAP-AKA': Verify MAC - extra data",
+		    extra, extra_len);
+	wpa_hexdump_key(MSG_MSGDUMP, "EAP-AKA': Verify MAC - K_aut",
+			k_aut, EAP_AKA_PRIME_K_AUT_LEN);
+	hmac_sha256_vector(k_aut, EAP_AKA_PRIME_K_AUT_LEN, 2, addr, len, hmac);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-AKA': Verify MAC: MAC",
+		    hmac, EAP_SIM_MAC_LEN);
+	os_free(tmp);
+
+	return (os_memcmp(hmac, mac, EAP_SIM_MAC_LEN) == 0) ? 0 : 1;
+}
+
+
+void eap_sim_add_mac_sha256(const u8 *k_aut, const u8 *msg, size_t msg_len,
+			    u8 *mac, const u8 *extra, size_t extra_len)
+{
+	unsigned char hmac[SHA256_MAC_LEN];
+	const u8 *addr[2];
+	size_t len[2];
+
+	addr[0] = msg;
+	len[0] = msg_len;
+	addr[1] = extra;
+	len[1] = extra_len;
+
+	/* HMAC-SHA-256-128 */
+	os_memset(mac, 0, EAP_SIM_MAC_LEN);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-AKA': Add MAC - msg", msg, msg_len);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-AKA': Add MAC - extra data",
+		    extra, extra_len);
+	wpa_hexdump_key(MSG_MSGDUMP, "EAP-AKA': Add MAC - K_aut",
+			k_aut, EAP_AKA_PRIME_K_AUT_LEN);
+	hmac_sha256_vector(k_aut, EAP_AKA_PRIME_K_AUT_LEN, 2, addr, len, hmac);
+	os_memcpy(mac, hmac, EAP_SIM_MAC_LEN);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-AKA': Add MAC: MAC",
+		    mac, EAP_SIM_MAC_LEN);
+}
+
+
+void eap_aka_prime_derive_ck_ik_prime(u8 *ck, u8 *ik, const u8 *sqn_ak,
+				      const u8 *network_name,
+				      size_t network_name_len)
+{
+	u8 key[EAP_AKA_CK_LEN + EAP_AKA_IK_LEN];
+	u8 hash[SHA256_MAC_LEN];
+	const u8 *addr[5];
+	size_t len[5];
+	u8 fc;
+	u8 l0[2], l1[2];
+
+	/* 3GPP TS 33.402 V8.0.0
+	 * (CK', IK') = F(CK, IK, <access network identity>)
+	 */
+	/* TODO: CK', IK' generation should really be moved into the actual
+	 * AKA procedure with network name passed in there and option to use
+	 * AMF separation bit = 1 (3GPP TS 33.401). */
+
+	/* Change Request 33.402 CR 0033 to version 8.1.1 from
+	 * 3GPP TSG-SA WG3 Meeting #53 in September 2008:
+	 *
+	 * CK' || IK' = HMAC-SHA-256(Key, S)
+	 * S = FC || P0 || L0 || P1 || L1 || ... || Pn || Ln
+	 * Key = CK || IK
+	 * FC = 0x20
+	 * P0 = access network identity (3GPP TS 24.302)
+	 * L0 = length of acceess network identity (2 octets, big endian)
+	 * P1 = SQN xor AK (if AK is not used, AK is treaded as 000..0
+	 * L1 = 0x00 0x06
+	 */
+
+	fc = 0x20;
+
+	wpa_printf(MSG_DEBUG, "EAP-AKA': Derive (CK',IK') from (CK,IK)");
+	wpa_hexdump_key(MSG_DEBUG, "EAP-AKA': CK", ck, EAP_AKA_CK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-AKA': IK", ik, EAP_AKA_IK_LEN);
+	wpa_printf(MSG_DEBUG, "EAP-AKA': FC = 0x%x", fc);
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-AKA': P0 = Access network identity",
+			  network_name, network_name_len);
+	wpa_hexdump(MSG_DEBUG, "EAP-AKA': P1 = SQN xor AK", sqn_ak, 6);
+
+	os_memcpy(key, ck, EAP_AKA_CK_LEN);
+	os_memcpy(key + EAP_AKA_CK_LEN, ik, EAP_AKA_IK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-AKA': Key = CK || IK",
+			key, sizeof(key));
+
+	addr[0] = &fc;
+	len[0] = 1;
+	addr[1] = network_name;
+	len[1] = network_name_len;
+	WPA_PUT_BE16(l0, network_name_len);
+	addr[2] = l0;
+	len[2] = 2;
+	addr[3] = sqn_ak;
+	len[3] = 6;
+	WPA_PUT_BE16(l1, 6);
+	addr[4] = l1;
+	len[4] = 2;
+
+	hmac_sha256_vector(key, sizeof(key), 5, addr, len, hash);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-AKA': KDF output (CK' || IK')",
+			hash, sizeof(hash));
+
+	os_memcpy(ck, hash, EAP_AKA_CK_LEN);
+	os_memcpy(ik, hash + EAP_AKA_CK_LEN, EAP_AKA_IK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-AKA': CK'", ck, EAP_AKA_CK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-AKA': IK'", ik, EAP_AKA_IK_LEN);
+}
+#endif /* EAP_AKA_PRIME || EAP_SERVER_AKA_PRIME */
+
+
+int eap_sim_parse_attr(const u8 *start, const u8 *end,
+		       struct eap_sim_attrs *attr, int aka, int encr)
+{
+	const u8 *pos = start, *apos;
+	size_t alen, plen, i, list_len;
+
+	os_memset(attr, 0, sizeof(*attr));
+	attr->id_req = NO_ID_REQ;
+	attr->notification = -1;
+	attr->counter = -1;
+	attr->selected_version = -1;
+	attr->client_error_code = -1;
+
+	while (pos < end) {
+		if (pos + 2 > end) {
+			wpa_printf(MSG_INFO, "EAP-SIM: Attribute overflow(1)");
+			return -1;
+		}
+		wpa_printf(MSG_MSGDUMP, "EAP-SIM: Attribute: Type=%d Len=%d",
+			   pos[0], pos[1] * 4);
+		if (pos + pos[1] * 4 > end) {
+			wpa_printf(MSG_INFO, "EAP-SIM: Attribute overflow "
+				   "(pos=%p len=%d end=%p)",
+				   pos, pos[1] * 4, end);
+			return -1;
+		}
+		if (pos[1] == 0) {
+			wpa_printf(MSG_INFO, "EAP-SIM: Attribute underflow");
+			return -1;
+		}
+		apos = pos + 2;
+		alen = pos[1] * 4 - 2;
+		wpa_hexdump(MSG_MSGDUMP, "EAP-SIM: Attribute data",
+			    apos, alen);
+
+		switch (pos[0]) {
+		case EAP_SIM_AT_RAND:
+			wpa_printf(MSG_DEBUG, "EAP-SIM: AT_RAND");
+			apos += 2;
+			alen -= 2;
+			if ((!aka && (alen % GSM_RAND_LEN)) ||
+			    (aka && alen != EAP_AKA_RAND_LEN)) {
+				wpa_printf(MSG_INFO, "EAP-SIM: Invalid AT_RAND"
+					   " (len %lu)",
+					   (unsigned long) alen);
+				return -1;
+			}
+			attr->rand = apos;
+			attr->num_chal = alen / GSM_RAND_LEN;
+			break;
+		case EAP_SIM_AT_AUTN:
+			wpa_printf(MSG_DEBUG, "EAP-AKA: AT_AUTN");
+			if (!aka) {
+				wpa_printf(MSG_DEBUG, "EAP-SIM: "
+					   "Unexpected AT_AUTN");
+				return -1;
+			}
+			apos += 2;
+			alen -= 2;
+			if (alen != EAP_AKA_AUTN_LEN) {
+				wpa_printf(MSG_INFO, "EAP-AKA: Invalid AT_AUTN"
+					   " (len %lu)",
+					   (unsigned long) alen);
+				return -1;
+			}
+			attr->autn = apos;
+			break;
+		case EAP_SIM_AT_PADDING:
+			if (!encr) {
+				wpa_printf(MSG_ERROR, "EAP-SIM: Unencrypted "
+					   "AT_PADDING");
+				return -1;
+			}
+			wpa_printf(MSG_DEBUG, "EAP-SIM: (encr) AT_PADDING");
+			for (i = 2; i < alen; i++) {
+				if (apos[i] != 0) {
+					wpa_printf(MSG_INFO, "EAP-SIM: (encr) "
+						   "AT_PADDING used a non-zero"
+						   " padding byte");
+					wpa_hexdump(MSG_DEBUG, "EAP-SIM: "
+						    "(encr) padding bytes",
+						    apos + 2, alen - 2);
+					return -1;
+				}
+			}
+			break;
+		case EAP_SIM_AT_NONCE_MT:
+			wpa_printf(MSG_DEBUG, "EAP-SIM: AT_NONCE_MT");
+			if (alen != 2 + EAP_SIM_NONCE_MT_LEN) {
+				wpa_printf(MSG_INFO, "EAP-SIM: Invalid "
+					   "AT_NONCE_MT length");
+				return -1;
+			}
+			attr->nonce_mt = apos + 2;
+			break;
+		case EAP_SIM_AT_PERMANENT_ID_REQ:
+			wpa_printf(MSG_DEBUG, "EAP-SIM: AT_PERMANENT_ID_REQ");
+			attr->id_req = PERMANENT_ID;
+			break;
+		case EAP_SIM_AT_MAC:
+			wpa_printf(MSG_DEBUG, "EAP-SIM: AT_MAC");
+			if (alen != 2 + EAP_SIM_MAC_LEN) {
+				wpa_printf(MSG_INFO, "EAP-SIM: Invalid AT_MAC "
+					   "length");
+				return -1;
+			}
+			attr->mac = apos + 2;
+			break;
+		case EAP_SIM_AT_NOTIFICATION:
+			if (alen != 2) {
+				wpa_printf(MSG_INFO, "EAP-SIM: Invalid "
+					   "AT_NOTIFICATION length %lu",
+					   (unsigned long) alen);
+				return -1;
+			}
+			attr->notification = apos[0] * 256 + apos[1];
+			wpa_printf(MSG_DEBUG, "EAP-SIM: AT_NOTIFICATION %d",
+				   attr->notification);
+			break;
+		case EAP_SIM_AT_ANY_ID_REQ:
+			wpa_printf(MSG_DEBUG, "EAP-SIM: AT_ANY_ID_REQ");
+			attr->id_req = ANY_ID;
+			break;
+		case EAP_SIM_AT_IDENTITY:
+			wpa_printf(MSG_DEBUG, "EAP-SIM: AT_IDENTITY");
+			plen = WPA_GET_BE16(apos);
+			apos += 2;
+			alen -= 2;
+			if (plen > alen) {
+				wpa_printf(MSG_INFO, "EAP-SIM: Invalid "
+					   "AT_IDENTITY (Actual Length %lu, "
+					   "remaining length %lu)",
+					   (unsigned long) plen,
+					   (unsigned long) alen);
+				return -1;
+			}
+
+			attr->identity = apos;
+			attr->identity_len = plen;
+			break;
+		case EAP_SIM_AT_VERSION_LIST:
+			if (aka) {
+				wpa_printf(MSG_DEBUG, "EAP-AKA: "
+					   "Unexpected AT_VERSION_LIST");
+				return -1;
+			}
+			list_len = apos[0] * 256 + apos[1];
+			wpa_printf(MSG_DEBUG, "EAP-SIM: AT_VERSION_LIST");
+			if (list_len < 2 || list_len > alen - 2) {
+				wpa_printf(MSG_WARNING, "EAP-SIM: Invalid "
+					   "AT_VERSION_LIST (list_len=%lu "
+					   "attr_len=%lu)",
+					   (unsigned long) list_len,
+					   (unsigned long) alen);
+				return -1;
+			}
+			attr->version_list = apos + 2;
+			attr->version_list_len = list_len;
+			break;
+		case EAP_SIM_AT_SELECTED_VERSION:
+			wpa_printf(MSG_DEBUG, "EAP-SIM: AT_SELECTED_VERSION");
+			if (alen != 2) {
+				wpa_printf(MSG_INFO, "EAP-SIM: Invalid "
+					   "AT_SELECTED_VERSION length %lu",
+					   (unsigned long) alen);
+				return -1;
+			}
+			attr->selected_version = apos[0] * 256 + apos[1];
+			wpa_printf(MSG_DEBUG, "EAP-SIM: AT_SELECTED_VERSION "
+				   "%d", attr->selected_version);
+			break;
+		case EAP_SIM_AT_FULLAUTH_ID_REQ:
+			wpa_printf(MSG_DEBUG, "EAP-SIM: AT_FULLAUTH_ID_REQ");
+			attr->id_req = FULLAUTH_ID;
+			break;
+		case EAP_SIM_AT_COUNTER:
+			if (!encr) {
+				wpa_printf(MSG_ERROR, "EAP-SIM: Unencrypted "
+					   "AT_COUNTER");
+				return -1;
+			}
+			if (alen != 2) {
+				wpa_printf(MSG_INFO, "EAP-SIM: (encr) Invalid "
+					   "AT_COUNTER (alen=%lu)",
+					   (unsigned long) alen);
+				return -1;
+			}
+			attr->counter = apos[0] * 256 + apos[1];
+			wpa_printf(MSG_DEBUG, "EAP-SIM: (encr) AT_COUNTER %d",
+				   attr->counter);
+			break;
+		case EAP_SIM_AT_COUNTER_TOO_SMALL:
+			if (!encr) {
+				wpa_printf(MSG_ERROR, "EAP-SIM: Unencrypted "
+					   "AT_COUNTER_TOO_SMALL");
+				return -1;
+			}
+			if (alen != 2) {
+				wpa_printf(MSG_INFO, "EAP-SIM: (encr) Invalid "
+					   "AT_COUNTER_TOO_SMALL (alen=%lu)",
+					   (unsigned long) alen);
+				return -1;
+			}
+			wpa_printf(MSG_DEBUG, "EAP-SIM: (encr) "
+				   "AT_COUNTER_TOO_SMALL");
+			attr->counter_too_small = 1;
+			break;
+		case EAP_SIM_AT_NONCE_S:
+			if (!encr) {
+				wpa_printf(MSG_ERROR, "EAP-SIM: Unencrypted "
+					   "AT_NONCE_S");
+				return -1;
+			}
+			wpa_printf(MSG_DEBUG, "EAP-SIM: (encr) "
+				   "AT_NONCE_S");
+			if (alen != 2 + EAP_SIM_NONCE_S_LEN) {
+				wpa_printf(MSG_INFO, "EAP-SIM: (encr) Invalid "
+					   "AT_NONCE_S (alen=%lu)",
+					   (unsigned long) alen);
+				return -1;
+			}
+			attr->nonce_s = apos + 2;
+			break;
+		case EAP_SIM_AT_CLIENT_ERROR_CODE:
+			if (alen != 2) {
+				wpa_printf(MSG_INFO, "EAP-SIM: Invalid "
+					   "AT_CLIENT_ERROR_CODE length %lu",
+					   (unsigned long) alen);
+				return -1;
+			}
+			attr->client_error_code = apos[0] * 256 + apos[1];
+			wpa_printf(MSG_DEBUG, "EAP-SIM: AT_CLIENT_ERROR_CODE "
+				   "%d", attr->client_error_code);
+			break;
+		case EAP_SIM_AT_IV:
+			wpa_printf(MSG_DEBUG, "EAP-SIM: AT_IV");
+			if (alen != 2 + EAP_SIM_MAC_LEN) {
+				wpa_printf(MSG_INFO, "EAP-SIM: Invalid AT_IV "
+					   "length %lu", (unsigned long) alen);
+				return -1;
+			}
+			attr->iv = apos + 2;
+			break;
+		case EAP_SIM_AT_ENCR_DATA:
+			wpa_printf(MSG_DEBUG, "EAP-SIM: AT_ENCR_DATA");
+			attr->encr_data = apos + 2;
+			attr->encr_data_len = alen - 2;
+			if (attr->encr_data_len % 16) {
+				wpa_printf(MSG_INFO, "EAP-SIM: Invalid "
+					   "AT_ENCR_DATA length %lu",
+					   (unsigned long)
+					   attr->encr_data_len);
+				return -1;
+			}
+			break;
+		case EAP_SIM_AT_NEXT_PSEUDONYM:
+			if (!encr) {
+				wpa_printf(MSG_ERROR, "EAP-SIM: Unencrypted "
+					   "AT_NEXT_PSEUDONYM");
+				return -1;
+			}
+			wpa_printf(MSG_DEBUG, "EAP-SIM: (encr) "
+				   "AT_NEXT_PSEUDONYM");
+			plen = apos[0] * 256 + apos[1];
+			if (plen > alen - 2) {
+				wpa_printf(MSG_INFO, "EAP-SIM: (encr) Invalid"
+					   " AT_NEXT_PSEUDONYM (actual"
+					   " len %lu, attr len %lu)",
+					   (unsigned long) plen,
+					   (unsigned long) alen);
+				return -1;
+			}
+			attr->next_pseudonym = pos + 4;
+			attr->next_pseudonym_len = plen;
+			break;
+		case EAP_SIM_AT_NEXT_REAUTH_ID:
+			if (!encr) {
+				wpa_printf(MSG_ERROR, "EAP-SIM: Unencrypted "
+					   "AT_NEXT_REAUTH_ID");
+				return -1;
+			}
+			wpa_printf(MSG_DEBUG, "EAP-SIM: (encr) "
+				   "AT_NEXT_REAUTH_ID");
+			plen = apos[0] * 256 + apos[1];
+			if (plen > alen - 2) {
+				wpa_printf(MSG_INFO, "EAP-SIM: (encr) Invalid"
+					   " AT_NEXT_REAUTH_ID (actual"
+					   " len %lu, attr len %lu)",
+					   (unsigned long) plen,
+					   (unsigned long) alen);
+				return -1;
+			}
+			attr->next_reauth_id = pos + 4;
+			attr->next_reauth_id_len = plen;
+			break;
+		case EAP_SIM_AT_RES:
+			wpa_printf(MSG_DEBUG, "EAP-SIM: AT_RES");
+			attr->res_len_bits = WPA_GET_BE16(apos);
+			apos += 2;
+			alen -= 2;
+			if (!aka || alen < EAP_AKA_MIN_RES_LEN ||
+			    alen > EAP_AKA_MAX_RES_LEN) {
+				wpa_printf(MSG_INFO, "EAP-SIM: Invalid AT_RES "
+					   "(len %lu)",
+					   (unsigned long) alen);
+				return -1;
+			}
+			attr->res = apos;
+			attr->res_len = alen;
+			break;
+		case EAP_SIM_AT_AUTS:
+			wpa_printf(MSG_DEBUG, "EAP-AKA: AT_AUTS");
+			if (!aka) {
+				wpa_printf(MSG_DEBUG, "EAP-SIM: "
+					   "Unexpected AT_AUTS");
+				return -1;
+			}
+			if (alen != EAP_AKA_AUTS_LEN) {
+				wpa_printf(MSG_INFO, "EAP-AKA: Invalid AT_AUTS"
+					   " (len %lu)",
+					   (unsigned long) alen);
+				return -1;
+			}
+			attr->auts = apos;
+			break;
+		case EAP_SIM_AT_CHECKCODE:
+			wpa_printf(MSG_DEBUG, "EAP-AKA: AT_CHECKCODE");
+			if (!aka) {
+				wpa_printf(MSG_DEBUG, "EAP-SIM: "
+					   "Unexpected AT_CHECKCODE");
+				return -1;
+			}
+			apos += 2;
+			alen -= 2;
+			if (alen != 0 && alen != EAP_AKA_CHECKCODE_LEN &&
+			    alen != EAP_AKA_PRIME_CHECKCODE_LEN) {
+				wpa_printf(MSG_INFO, "EAP-AKA: Invalid "
+					   "AT_CHECKCODE (len %lu)",
+					   (unsigned long) alen);
+				return -1;
+			}
+			attr->checkcode = apos;
+			attr->checkcode_len = alen;
+			break;
+		case EAP_SIM_AT_RESULT_IND:
+			if (encr) {
+				wpa_printf(MSG_ERROR, "EAP-SIM: Encrypted "
+					   "AT_RESULT_IND");
+				return -1;
+			}
+			if (alen != 2) {
+				wpa_printf(MSG_INFO, "EAP-SIM: Invalid "
+					   "AT_RESULT_IND (alen=%lu)",
+					   (unsigned long) alen);
+				return -1;
+			}
+			wpa_printf(MSG_DEBUG, "EAP-SIM: AT_RESULT_IND");
+			attr->result_ind = 1;
+			break;
+#if defined(EAP_AKA_PRIME) || defined(EAP_SERVER_AKA_PRIME)
+		case EAP_SIM_AT_KDF_INPUT:
+			if (aka != 2) {
+				wpa_printf(MSG_INFO, "EAP-AKA: Unexpected "
+					   "AT_KDF_INPUT");
+				return -1;
+			}
+
+			wpa_printf(MSG_DEBUG, "EAP-AKA: AT_KDF_INPUT");
+			plen = WPA_GET_BE16(apos);
+			apos += 2;
+			alen -= 2;
+			if (plen > alen) {
+				wpa_printf(MSG_INFO, "EAP-AKA': Invalid "
+					   "AT_KDF_INPUT (Actual Length %lu, "
+					   "remaining length %lu)",
+					   (unsigned long) plen,
+					   (unsigned long) alen);
+				return -1;
+			}
+			attr->kdf_input = apos;
+			attr->kdf_input_len = plen;
+			break;
+		case EAP_SIM_AT_KDF:
+			if (aka != 2) {
+				wpa_printf(MSG_INFO, "EAP-AKA: Unexpected "
+					   "AT_KDF");
+				return -1;
+			}
+
+			wpa_printf(MSG_DEBUG, "EAP-AKA: AT_KDF");
+			if (alen != 2) {
+				wpa_printf(MSG_INFO, "EAP-AKA': Invalid "
+					   "AT_KDF (len %lu)",
+					   (unsigned long) alen);
+				return -1;
+			}
+			if (attr->kdf_count == EAP_AKA_PRIME_KDF_MAX) {
+				wpa_printf(MSG_DEBUG, "EAP-AKA': Too many "
+					   "AT_KDF attributes - ignore this");
+				continue;
+			}
+			attr->kdf[attr->kdf_count] = WPA_GET_BE16(apos);
+			attr->kdf_count++;
+			break;
+		case EAP_SIM_AT_BIDDING:
+			wpa_printf(MSG_DEBUG, "EAP-AKA: AT_BIDDING");
+			if (alen != 2) {
+				wpa_printf(MSG_INFO, "EAP-AKA: Invalid "
+					   "AT_BIDDING (len %lu)",
+					   (unsigned long) alen);
+				return -1;
+			}
+			attr->bidding = apos;
+			break;
+#endif /* EAP_AKA_PRIME || EAP_SERVER_AKA_PRIME */
+		default:
+			if (pos[0] < 128) {
+				wpa_printf(MSG_INFO, "EAP-SIM: Unrecognized "
+					   "non-skippable attribute %d",
+					   pos[0]);
+				return -1;
+			}
+
+			wpa_printf(MSG_DEBUG, "EAP-SIM: Unrecognized skippable"
+				   " attribute %d ignored", pos[0]);
+			break;
+		}
+
+		pos += pos[1] * 4;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-SIM: Attributes parsed successfully "
+		   "(aka=%d encr=%d)", aka, encr);
+
+	return 0;
+}
+
+
+u8 * eap_sim_parse_encr(const u8 *k_encr, const u8 *encr_data,
+			size_t encr_data_len, const u8 *iv,
+			struct eap_sim_attrs *attr, int aka)
+{
+	u8 *decrypted;
+
+	if (!iv) {
+		wpa_printf(MSG_INFO, "EAP-SIM: Encrypted data, but no IV");
+		return NULL;
+	}
+
+	decrypted = os_malloc(encr_data_len);
+	if (decrypted == NULL)
+		return NULL;
+	os_memcpy(decrypted, encr_data, encr_data_len);
+
+	if (aes_128_cbc_decrypt(k_encr, iv, decrypted, encr_data_len)) {
+		os_free(decrypted);
+		return NULL;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "EAP-SIM: Decrypted AT_ENCR_DATA",
+		    decrypted, encr_data_len);
+
+	if (eap_sim_parse_attr(decrypted, decrypted + encr_data_len, attr,
+			       aka, 1)) {
+		wpa_printf(MSG_INFO, "EAP-SIM: (encr) Failed to parse "
+			   "decrypted AT_ENCR_DATA");
+		os_free(decrypted);
+		return NULL;
+	}
+
+	return decrypted;
+}
+
+
+#define EAP_SIM_INIT_LEN 128
+
+struct eap_sim_msg {
+	struct wpabuf *buf;
+	size_t mac, iv, encr; /* index from buf */
+	int type;
+};
+
+
+struct eap_sim_msg * eap_sim_msg_init(int code, int id, int type, int subtype)
+{
+	struct eap_sim_msg *msg;
+	struct eap_hdr *eap;
+	u8 *pos;
+
+	msg = os_zalloc(sizeof(*msg));
+	if (msg == NULL)
+		return NULL;
+
+	msg->type = type;
+	msg->buf = wpabuf_alloc(EAP_SIM_INIT_LEN);
+	if (msg->buf == NULL) {
+		os_free(msg);
+		return NULL;
+	}
+	eap = wpabuf_put(msg->buf, sizeof(*eap));
+	eap->code = code;
+	eap->identifier = id;
+
+	pos = wpabuf_put(msg->buf, 4);
+	*pos++ = type;
+	*pos++ = subtype;
+	*pos++ = 0; /* Reserved */
+	*pos++ = 0; /* Reserved */
+
+	return msg;
+}
+
+
+struct wpabuf * eap_sim_msg_finish(struct eap_sim_msg *msg, const u8 *k_aut,
+				   const u8 *extra, size_t extra_len)
+{
+	struct eap_hdr *eap;
+	struct wpabuf *buf;
+
+	if (msg == NULL)
+		return NULL;
+
+	eap = wpabuf_mhead(msg->buf);
+	eap->length = host_to_be16(wpabuf_len(msg->buf));
+
+#if defined(EAP_AKA_PRIME) || defined(EAP_SERVER_AKA_PRIME)
+	if (k_aut && msg->mac && msg->type == EAP_TYPE_AKA_PRIME) {
+		eap_sim_add_mac_sha256(k_aut, (u8 *) wpabuf_head(msg->buf),
+				       wpabuf_len(msg->buf),
+				       (u8 *) wpabuf_mhead(msg->buf) +
+				       msg->mac, extra, extra_len);
+	} else
+#endif /* EAP_AKA_PRIME || EAP_SERVER_AKA_PRIME */
+	if (k_aut && msg->mac) {
+		eap_sim_add_mac(k_aut, (u8 *) wpabuf_head(msg->buf),
+				wpabuf_len(msg->buf),
+				(u8 *) wpabuf_mhead(msg->buf) + msg->mac,
+				extra, extra_len);
+	}
+
+	buf = msg->buf;
+	os_free(msg);
+	return buf;
+}
+
+
+void eap_sim_msg_free(struct eap_sim_msg *msg)
+{
+	if (msg) {
+		wpabuf_free(msg->buf);
+		os_free(msg);
+	}
+}
+
+
+u8 * eap_sim_msg_add_full(struct eap_sim_msg *msg, u8 attr,
+			  const u8 *data, size_t len)
+{
+	int attr_len = 2 + len;
+	int pad_len;
+	u8 *start;
+
+	if (msg == NULL)
+		return NULL;
+
+	pad_len = (4 - attr_len % 4) % 4;
+	attr_len += pad_len;
+	if (wpabuf_resize(&msg->buf, attr_len))
+		return NULL;
+	start = wpabuf_put(msg->buf, 0);
+	wpabuf_put_u8(msg->buf, attr);
+	wpabuf_put_u8(msg->buf, attr_len / 4);
+	wpabuf_put_data(msg->buf, data, len);
+	if (pad_len)
+		os_memset(wpabuf_put(msg->buf, pad_len), 0, pad_len);
+	return start;
+}
+
+
+u8 * eap_sim_msg_add(struct eap_sim_msg *msg, u8 attr, u16 value,
+		     const u8 *data, size_t len)
+{
+	int attr_len = 4 + len;
+	int pad_len;
+	u8 *start;
+
+	if (msg == NULL)
+		return NULL;
+
+	pad_len = (4 - attr_len % 4) % 4;
+	attr_len += pad_len;
+	if (wpabuf_resize(&msg->buf, attr_len))
+		return NULL;
+	start = wpabuf_put(msg->buf, 0);
+	wpabuf_put_u8(msg->buf, attr);
+	wpabuf_put_u8(msg->buf, attr_len / 4);
+	wpabuf_put_be16(msg->buf, value);
+	if (data)
+		wpabuf_put_data(msg->buf, data, len);
+	else
+		wpabuf_put(msg->buf, len);
+	if (pad_len)
+		os_memset(wpabuf_put(msg->buf, pad_len), 0, pad_len);
+	return start;
+}
+
+
+u8 * eap_sim_msg_add_mac(struct eap_sim_msg *msg, u8 attr)
+{
+	u8 *pos = eap_sim_msg_add(msg, attr, 0, NULL, EAP_SIM_MAC_LEN);
+	if (pos)
+		msg->mac = (pos - wpabuf_head_u8(msg->buf)) + 4;
+	return pos;
+}
+
+
+int eap_sim_msg_add_encr_start(struct eap_sim_msg *msg, u8 attr_iv,
+			       u8 attr_encr)
+{
+	u8 *pos = eap_sim_msg_add(msg, attr_iv, 0, NULL, EAP_SIM_IV_LEN);
+	if (pos == NULL)
+		return -1;
+	msg->iv = (pos - wpabuf_head_u8(msg->buf)) + 4;
+	if (random_get_bytes(wpabuf_mhead_u8(msg->buf) + msg->iv,
+			     EAP_SIM_IV_LEN)) {
+		msg->iv = 0;
+		return -1;
+	}
+
+	pos = eap_sim_msg_add(msg, attr_encr, 0, NULL, 0);
+	if (pos == NULL) {
+		msg->iv = 0;
+		return -1;
+	}
+	msg->encr = pos - wpabuf_head_u8(msg->buf);
+
+	return 0;
+}
+
+
+int eap_sim_msg_add_encr_end(struct eap_sim_msg *msg, u8 *k_encr, int attr_pad)
+{
+	size_t encr_len;
+
+	if (msg == NULL || k_encr == NULL || msg->iv == 0 || msg->encr == 0)
+		return -1;
+
+	encr_len = wpabuf_len(msg->buf) - msg->encr - 4;
+	if (encr_len % 16) {
+		u8 *pos;
+		int pad_len = 16 - (encr_len % 16);
+		if (pad_len < 4) {
+			wpa_printf(MSG_WARNING, "EAP-SIM: "
+				   "eap_sim_msg_add_encr_end - invalid pad_len"
+				   " %d", pad_len);
+			return -1;
+		}
+		wpa_printf(MSG_DEBUG, "   *AT_PADDING");
+		pos = eap_sim_msg_add(msg, attr_pad, 0, NULL, pad_len - 4);
+		if (pos == NULL)
+			return -1;
+		os_memset(pos + 4, 0, pad_len - 4);
+		encr_len += pad_len;
+	}
+	wpa_printf(MSG_DEBUG, "   (AT_ENCR_DATA data len %lu)",
+		   (unsigned long) encr_len);
+	wpabuf_mhead_u8(msg->buf)[msg->encr + 1] = encr_len / 4 + 1;
+	return aes_128_cbc_encrypt(k_encr, wpabuf_head_u8(msg->buf) + msg->iv,
+				   wpabuf_mhead_u8(msg->buf) + msg->encr + 4,
+				   encr_len);
+}
+
+
+void eap_sim_report_notification(void *msg_ctx, int notification, int aka)
+{
+#ifndef CONFIG_NO_STDOUT_DEBUG
+	const char *type = aka ? "AKA" : "SIM";
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+
+	switch (notification) {
+	case EAP_SIM_GENERAL_FAILURE_AFTER_AUTH:
+		wpa_printf(MSG_WARNING, "EAP-%s: General failure "
+			   "notification (after authentication)", type);
+		break;
+	case EAP_SIM_TEMPORARILY_DENIED:
+		wpa_printf(MSG_WARNING, "EAP-%s: Failure notification: "
+			   "User has been temporarily denied access to the "
+			   "requested service", type);
+		break;
+	case EAP_SIM_NOT_SUBSCRIBED:
+		wpa_printf(MSG_WARNING, "EAP-%s: Failure notification: "
+			   "User has not subscribed to the requested service",
+			   type);
+		break;
+	case EAP_SIM_GENERAL_FAILURE_BEFORE_AUTH:
+		wpa_printf(MSG_WARNING, "EAP-%s: General failure "
+			   "notification (before authentication)", type);
+		break;
+	case EAP_SIM_SUCCESS:
+		wpa_printf(MSG_INFO, "EAP-%s: Successful authentication "
+			   "notification", type);
+		break;
+	default:
+		if (notification >= 32768) {
+			wpa_printf(MSG_INFO, "EAP-%s: Unrecognized "
+				   "non-failure notification %d",
+				   type, notification);
+		} else {
+			wpa_printf(MSG_WARNING, "EAP-%s: Unrecognized "
+				   "failure notification %d",
+				   type, notification);
+		}
+	}
+}
diff --git a/src/eap_common/eap_sim_common.h b/src/eap_common/eap_sim_common.h
new file mode 100644
index 0000000..48c8eaa
--- /dev/null
+++ b/src/eap_common/eap_sim_common.h
@@ -0,0 +1,235 @@
+/*
+ * EAP peer/server: EAP-SIM/AKA/AKA' shared routines
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_SIM_COMMON_H
+#define EAP_SIM_COMMON_H
+
+#define EAP_SIM_NONCE_S_LEN 16
+#define EAP_SIM_NONCE_MT_LEN 16
+#define EAP_SIM_MAC_LEN 16
+#define EAP_SIM_MK_LEN 20
+#define EAP_SIM_K_AUT_LEN 16
+#define EAP_SIM_K_ENCR_LEN 16
+#define EAP_SIM_KEYING_DATA_LEN 64
+#define EAP_SIM_IV_LEN 16
+#define EAP_SIM_KC_LEN 8
+#define EAP_SIM_SRES_LEN 4
+
+#define GSM_RAND_LEN 16
+
+#define EAP_SIM_VERSION 1
+
+/* EAP-SIM Subtypes */
+#define EAP_SIM_SUBTYPE_START 10
+#define EAP_SIM_SUBTYPE_CHALLENGE 11
+#define EAP_SIM_SUBTYPE_NOTIFICATION 12
+#define EAP_SIM_SUBTYPE_REAUTHENTICATION 13
+#define EAP_SIM_SUBTYPE_CLIENT_ERROR 14
+
+/* AT_CLIENT_ERROR_CODE error codes */
+#define EAP_SIM_UNABLE_TO_PROCESS_PACKET 0
+#define EAP_SIM_UNSUPPORTED_VERSION 1
+#define EAP_SIM_INSUFFICIENT_NUM_OF_CHAL 2
+#define EAP_SIM_RAND_NOT_FRESH 3
+
+#define EAP_SIM_MAX_FAST_REAUTHS 1000
+
+#define EAP_SIM_MAX_CHAL 3
+
+
+/* EAP-AKA Subtypes */
+#define EAP_AKA_SUBTYPE_CHALLENGE 1
+#define EAP_AKA_SUBTYPE_AUTHENTICATION_REJECT 2
+#define EAP_AKA_SUBTYPE_SYNCHRONIZATION_FAILURE 4
+#define EAP_AKA_SUBTYPE_IDENTITY 5
+#define EAP_AKA_SUBTYPE_NOTIFICATION 12
+#define EAP_AKA_SUBTYPE_REAUTHENTICATION 13
+#define EAP_AKA_SUBTYPE_CLIENT_ERROR 14
+
+/* AT_CLIENT_ERROR_CODE error codes */
+#define EAP_AKA_UNABLE_TO_PROCESS_PACKET 0
+
+#define EAP_AKA_RAND_LEN 16
+#define EAP_AKA_AUTN_LEN 16
+#define EAP_AKA_AUTS_LEN 14
+#define EAP_AKA_RES_MAX_LEN 16
+#define EAP_AKA_IK_LEN 16
+#define EAP_AKA_CK_LEN 16
+#define EAP_AKA_MAX_FAST_REAUTHS 1000
+#define EAP_AKA_MIN_RES_LEN 4
+#define EAP_AKA_MAX_RES_LEN 16
+#define EAP_AKA_CHECKCODE_LEN 20
+
+#define EAP_AKA_PRIME_K_AUT_LEN 32
+#define EAP_AKA_PRIME_CHECKCODE_LEN 32
+#define EAP_AKA_PRIME_K_RE_LEN 32
+
+struct wpabuf;
+
+void eap_sim_derive_mk(const u8 *identity, size_t identity_len,
+		       const u8 *nonce_mt, u16 selected_version,
+		       const u8 *ver_list, size_t ver_list_len,
+		       int num_chal, const u8 *kc, u8 *mk);
+void eap_aka_derive_mk(const u8 *identity, size_t identity_len,
+		       const u8 *ik, const u8 *ck, u8 *mk);
+int eap_sim_derive_keys(const u8 *mk, u8 *k_encr, u8 *k_aut, u8 *msk,
+			u8 *emsk);
+int eap_sim_derive_keys_reauth(u16 _counter,
+			       const u8 *identity, size_t identity_len,
+			       const u8 *nonce_s, const u8 *mk, u8 *msk,
+			       u8 *emsk);
+int eap_sim_verify_mac(const u8 *k_aut, const struct wpabuf *req,
+		       const u8 *mac, const u8 *extra, size_t extra_len);
+void eap_sim_add_mac(const u8 *k_aut, const u8 *msg, size_t msg_len, u8 *mac,
+		     const u8 *extra, size_t extra_len);
+
+#if defined(EAP_AKA_PRIME) || defined(EAP_SERVER_AKA_PRIME)
+void eap_aka_prime_derive_keys(const u8 *identity, size_t identity_len,
+			       const u8 *ik, const u8 *ck, u8 *k_encr,
+			       u8 *k_aut, u8 *k_re, u8 *msk, u8 *emsk);
+int eap_aka_prime_derive_keys_reauth(const u8 *k_re, u16 counter,
+				     const u8 *identity, size_t identity_len,
+				     const u8 *nonce_s, u8 *msk, u8 *emsk);
+int eap_sim_verify_mac_sha256(const u8 *k_aut, const struct wpabuf *req,
+			      const u8 *mac, const u8 *extra,
+			      size_t extra_len);
+void eap_sim_add_mac_sha256(const u8 *k_aut, const u8 *msg, size_t msg_len,
+			    u8 *mac, const u8 *extra, size_t extra_len);
+
+void eap_aka_prime_derive_ck_ik_prime(u8 *ck, u8 *ik, const u8 *sqn_ak,
+				      const u8 *network_name,
+				      size_t network_name_len);
+#else /* EAP_AKA_PRIME || EAP_SERVER_AKA_PRIME */
+static inline void eap_aka_prime_derive_keys(const u8 *identity,
+					     size_t identity_len,
+					     const u8 *ik, const u8 *ck,
+					     u8 *k_encr, u8 *k_aut, u8 *k_re,
+					     u8 *msk, u8 *emsk)
+{
+}
+
+static inline int eap_aka_prime_derive_keys_reauth(const u8 *k_re, u16 counter,
+						   const u8 *identity,
+						   size_t identity_len,
+						   const u8 *nonce_s, u8 *msk,
+						   u8 *emsk)
+{
+	return -1;
+}
+
+static inline int eap_sim_verify_mac_sha256(const u8 *k_aut,
+					    const struct wpabuf *req,
+					    const u8 *mac, const u8 *extra,
+					    size_t extra_len)
+{
+	return -1;
+}
+#endif /* EAP_AKA_PRIME || EAP_SERVER_AKA_PRIME */
+
+
+/* EAP-SIM/AKA Attributes (0..127 non-skippable) */
+#define EAP_SIM_AT_RAND 1
+#define EAP_SIM_AT_AUTN 2 /* only AKA */
+#define EAP_SIM_AT_RES 3 /* only AKA, only peer->server */
+#define EAP_SIM_AT_AUTS 4 /* only AKA, only peer->server */
+#define EAP_SIM_AT_PADDING 6 /* only encrypted */
+#define EAP_SIM_AT_NONCE_MT 7 /* only SIM, only send */
+#define EAP_SIM_AT_PERMANENT_ID_REQ 10
+#define EAP_SIM_AT_MAC 11
+#define EAP_SIM_AT_NOTIFICATION 12
+#define EAP_SIM_AT_ANY_ID_REQ 13
+#define EAP_SIM_AT_IDENTITY 14 /* only send */
+#define EAP_SIM_AT_VERSION_LIST 15 /* only SIM */
+#define EAP_SIM_AT_SELECTED_VERSION 16 /* only SIM */
+#define EAP_SIM_AT_FULLAUTH_ID_REQ 17
+#define EAP_SIM_AT_COUNTER 19 /* only encrypted */
+#define EAP_SIM_AT_COUNTER_TOO_SMALL 20 /* only encrypted */
+#define EAP_SIM_AT_NONCE_S 21 /* only encrypted */
+#define EAP_SIM_AT_CLIENT_ERROR_CODE 22 /* only send */
+#define EAP_SIM_AT_KDF_INPUT 23 /* only AKA' */
+#define EAP_SIM_AT_KDF 24 /* only AKA' */
+#define EAP_SIM_AT_IV 129
+#define EAP_SIM_AT_ENCR_DATA 130
+#define EAP_SIM_AT_NEXT_PSEUDONYM 132 /* only encrypted */
+#define EAP_SIM_AT_NEXT_REAUTH_ID 133 /* only encrypted */
+#define EAP_SIM_AT_CHECKCODE 134 /* only AKA */
+#define EAP_SIM_AT_RESULT_IND 135
+#define EAP_SIM_AT_BIDDING 136
+
+/* AT_NOTIFICATION notification code values */
+#define EAP_SIM_GENERAL_FAILURE_AFTER_AUTH 0
+#define EAP_SIM_TEMPORARILY_DENIED 1026
+#define EAP_SIM_NOT_SUBSCRIBED 1031
+#define EAP_SIM_GENERAL_FAILURE_BEFORE_AUTH 16384
+#define EAP_SIM_SUCCESS 32768
+
+/* EAP-AKA' AT_KDF Key Derivation Function values */
+#define EAP_AKA_PRIME_KDF 1
+
+/* AT_BIDDING flags */
+#define EAP_AKA_BIDDING_FLAG_D 0x8000
+
+
+enum eap_sim_id_req {
+	NO_ID_REQ, ANY_ID, FULLAUTH_ID, PERMANENT_ID
+};
+
+
+struct eap_sim_attrs {
+	const u8 *rand, *autn, *mac, *iv, *encr_data, *version_list, *nonce_s;
+	const u8 *next_pseudonym, *next_reauth_id;
+	const u8 *nonce_mt, *identity, *res, *auts;
+	const u8 *checkcode;
+	const u8 *kdf_input;
+	const u8 *bidding;
+	size_t num_chal, version_list_len, encr_data_len;
+	size_t next_pseudonym_len, next_reauth_id_len, identity_len, res_len;
+	size_t res_len_bits;
+	size_t checkcode_len;
+	size_t kdf_input_len;
+	enum eap_sim_id_req id_req;
+	int notification, counter, selected_version, client_error_code;
+	int counter_too_small;
+	int result_ind;
+#define EAP_AKA_PRIME_KDF_MAX 10
+	u16 kdf[EAP_AKA_PRIME_KDF_MAX];
+	size_t kdf_count;
+};
+
+int eap_sim_parse_attr(const u8 *start, const u8 *end,
+		       struct eap_sim_attrs *attr, int aka, int encr);
+u8 * eap_sim_parse_encr(const u8 *k_encr, const u8 *encr_data,
+			size_t encr_data_len, const u8 *iv,
+			struct eap_sim_attrs *attr, int aka);
+
+
+struct eap_sim_msg;
+
+struct eap_sim_msg * eap_sim_msg_init(int code, int id, int type, int subtype);
+struct wpabuf * eap_sim_msg_finish(struct eap_sim_msg *msg, const u8 *k_aut,
+				   const u8 *extra, size_t extra_len);
+void eap_sim_msg_free(struct eap_sim_msg *msg);
+u8 * eap_sim_msg_add_full(struct eap_sim_msg *msg, u8 attr,
+			  const u8 *data, size_t len);
+u8 * eap_sim_msg_add(struct eap_sim_msg *msg, u8 attr,
+		     u16 value, const u8 *data, size_t len);
+u8 * eap_sim_msg_add_mac(struct eap_sim_msg *msg, u8 attr);
+int eap_sim_msg_add_encr_start(struct eap_sim_msg *msg, u8 attr_iv,
+			       u8 attr_encr);
+int eap_sim_msg_add_encr_end(struct eap_sim_msg *msg, u8 *k_encr,
+			     int attr_pad);
+
+void eap_sim_report_notification(void *msg_ctx, int notification, int aka);
+
+#endif /* EAP_SIM_COMMON_H */
diff --git a/src/eap_common/eap_tlv_common.h b/src/eap_common/eap_tlv_common.h
new file mode 100644
index 0000000..f86015d
--- /dev/null
+++ b/src/eap_common/eap_tlv_common.h
@@ -0,0 +1,118 @@
+/*
+ * EAP-TLV definitions (draft-josefsson-pppext-eap-tls-eap-10.txt)
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_TLV_COMMON_H
+#define EAP_TLV_COMMON_H
+
+/* EAP-TLV TLVs (draft-josefsson-ppext-eap-tls-eap-10.txt) */
+#define EAP_TLV_RESULT_TLV 3 /* Acknowledged Result */
+#define EAP_TLV_NAK_TLV 4
+#define EAP_TLV_ERROR_CODE_TLV 5
+#define EAP_TLV_CONNECTION_BINDING_TLV 6
+#define EAP_TLV_VENDOR_SPECIFIC_TLV 7
+#define EAP_TLV_URI_TLV 8
+#define EAP_TLV_EAP_PAYLOAD_TLV 9
+#define EAP_TLV_INTERMEDIATE_RESULT_TLV 10
+#define EAP_TLV_PAC_TLV 11 /* RFC 5422, Section 4.2 */
+#define EAP_TLV_CRYPTO_BINDING_TLV 12
+#define EAP_TLV_CALLING_STATION_ID_TLV 13
+#define EAP_TLV_CALLED_STATION_ID_TLV 14
+#define EAP_TLV_NAS_PORT_TYPE_TLV 15
+#define EAP_TLV_SERVER_IDENTIFIER_TLV 16
+#define EAP_TLV_IDENTITY_TYPE_TLV 17
+#define EAP_TLV_SERVER_TRUSTED_ROOT_TLV 18
+#define EAP_TLV_REQUEST_ACTION_TLV 19
+#define EAP_TLV_PKCS7_TLV 20
+
+#define EAP_TLV_RESULT_SUCCESS 1
+#define EAP_TLV_RESULT_FAILURE 2
+
+#define EAP_TLV_TYPE_MANDATORY 0x8000
+#define EAP_TLV_TYPE_MASK 0x3fff
+
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+struct eap_tlv_hdr {
+	be16 tlv_type;
+	be16 length;
+} STRUCT_PACKED;
+
+struct eap_tlv_nak_tlv {
+	be16 tlv_type;
+	be16 length;
+	be32 vendor_id;
+	be16 nak_type;
+} STRUCT_PACKED;
+
+struct eap_tlv_result_tlv {
+	be16 tlv_type;
+	be16 length;
+	be16 status;
+} STRUCT_PACKED;
+
+/* RFC 4851, Section 4.2.7 - Intermediate-Result TLV */
+struct eap_tlv_intermediate_result_tlv {
+	be16 tlv_type;
+	be16 length;
+	be16 status;
+	/* Followed by optional TLVs */
+} STRUCT_PACKED;
+
+/* RFC 4851, Section 4.2.8 - Crypto-Binding TLV */
+struct eap_tlv_crypto_binding_tlv {
+	be16 tlv_type;
+	be16 length;
+	u8 reserved;
+	u8 version;
+	u8 received_version;
+	u8 subtype;
+	u8 nonce[32];
+	u8 compound_mac[20];
+} STRUCT_PACKED;
+
+struct eap_tlv_pac_ack_tlv {
+	be16 tlv_type;
+	be16 length;
+	be16 pac_type;
+	be16 pac_len;
+	be16 result;
+} STRUCT_PACKED;
+
+/* RFC 4851, Section 4.2.9 - Request-Action TLV */
+struct eap_tlv_request_action_tlv {
+	be16 tlv_type;
+	be16 length;
+	be16 action;
+} STRUCT_PACKED;
+
+/* RFC 5422, Section 4.2.6 - PAC-Type TLV */
+struct eap_tlv_pac_type_tlv {
+	be16 tlv_type; /* PAC_TYPE_PAC_TYPE */
+	be16 length;
+	be16 pac_type;
+} STRUCT_PACKED;
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+#define EAP_TLV_CRYPTO_BINDING_SUBTYPE_REQUEST 0
+#define EAP_TLV_CRYPTO_BINDING_SUBTYPE_RESPONSE 1
+
+#define EAP_TLV_ACTION_PROCESS_TLV 1
+#define EAP_TLV_ACTION_NEGOTIATE_EAP 2
+
+#endif /* EAP_TLV_COMMON_H */
diff --git a/src/eap_common/eap_ttls.h b/src/eap_common/eap_ttls.h
new file mode 100644
index 0000000..797d084
--- /dev/null
+++ b/src/eap_common/eap_ttls.h
@@ -0,0 +1,71 @@
+/*
+ * EAP server/peer: EAP-TTLS (RFC 5281)
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_TTLS_H
+#define EAP_TTLS_H
+
+struct ttls_avp {
+	be32 avp_code;
+	be32 avp_length; /* 8-bit flags, 24-bit length;
+			  * length includes AVP header */
+	/* optional 32-bit Vendor-ID */
+	/* Data */
+};
+
+struct ttls_avp_vendor {
+	be32 avp_code;
+	be32 avp_length; /* 8-bit flags, 24-bit length;
+			  * length includes AVP header */
+	be32 vendor_id;
+	/* Data */
+};
+
+#define AVP_FLAGS_VENDOR 0x80
+#define AVP_FLAGS_MANDATORY 0x40
+
+#define AVP_PAD(start, pos) \
+do { \
+	int __pad; \
+	__pad = (4 - (((pos) - (start)) & 3)) & 3; \
+	os_memset((pos), 0, __pad); \
+	pos += __pad; \
+} while (0)
+
+
+/* RFC 2865 */
+#define RADIUS_ATTR_USER_NAME 1
+#define RADIUS_ATTR_USER_PASSWORD 2
+#define RADIUS_ATTR_CHAP_PASSWORD 3
+#define RADIUS_ATTR_REPLY_MESSAGE 18
+#define RADIUS_ATTR_CHAP_CHALLENGE 60
+#define RADIUS_ATTR_EAP_MESSAGE 79
+
+/* RFC 2548 */
+#define RADIUS_VENDOR_ID_MICROSOFT 311
+#define RADIUS_ATTR_MS_CHAP_RESPONSE 1
+#define RADIUS_ATTR_MS_CHAP_ERROR 2
+#define RADIUS_ATTR_MS_CHAP_NT_ENC_PW 6
+#define RADIUS_ATTR_MS_CHAP_CHALLENGE 11
+#define RADIUS_ATTR_MS_CHAP2_RESPONSE 25
+#define RADIUS_ATTR_MS_CHAP2_SUCCESS 26
+#define RADIUS_ATTR_MS_CHAP2_CPW 27
+
+#define EAP_TTLS_MSCHAPV2_CHALLENGE_LEN 16
+#define EAP_TTLS_MSCHAPV2_RESPONSE_LEN 50
+#define EAP_TTLS_MSCHAP_CHALLENGE_LEN 8
+#define EAP_TTLS_MSCHAP_RESPONSE_LEN 50
+#define EAP_TTLS_CHAP_CHALLENGE_LEN 16
+#define EAP_TTLS_CHAP_PASSWORD_LEN 16
+
+#endif /* EAP_TTLS_H */
diff --git a/src/eap_common/eap_wsc_common.c b/src/eap_common/eap_wsc_common.c
new file mode 100644
index 0000000..5d4e8cc
--- /dev/null
+++ b/src/eap_common/eap_wsc_common.c
@@ -0,0 +1,39 @@
+/*
+ * EAP-WSC common routines for Wi-Fi Protected Setup
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eap_defs.h"
+#include "eap_common.h"
+#include "wps/wps.h"
+#include "eap_wsc_common.h"
+
+struct wpabuf * eap_wsc_build_frag_ack(u8 id, u8 code)
+{
+	struct wpabuf *msg;
+
+	msg = eap_msg_alloc(EAP_VENDOR_WFA, EAP_VENDOR_TYPE_WSC, 2, code, id);
+	if (msg == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-WSC: Failed to allocate memory for "
+			   "FRAG_ACK");
+		return NULL;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-WSC: Send WSC/FRAG_ACK");
+	wpabuf_put_u8(msg, WSC_FRAG_ACK); /* Op-Code */
+	wpabuf_put_u8(msg, 0); /* Flags */
+
+	return msg;
+}
diff --git a/src/eap_common/eap_wsc_common.h b/src/eap_common/eap_wsc_common.h
new file mode 100644
index 0000000..fdf61d3
--- /dev/null
+++ b/src/eap_common/eap_wsc_common.h
@@ -0,0 +1,33 @@
+/*
+ * EAP-WSC definitions for Wi-Fi Protected Setup
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_WSC_COMMON_H
+#define EAP_WSC_COMMON_H
+
+#define EAP_VENDOR_TYPE_WSC 1
+
+#define WSC_FLAGS_MF 0x01
+#define WSC_FLAGS_LF 0x02
+
+#define WSC_ID_REGISTRAR "WFA-SimpleConfig-Registrar-1-0"
+#define WSC_ID_REGISTRAR_LEN 30
+#define WSC_ID_ENROLLEE "WFA-SimpleConfig-Enrollee-1-0"
+#define WSC_ID_ENROLLEE_LEN 29
+
+#define WSC_FRAGMENT_SIZE 1400
+
+
+struct wpabuf * eap_wsc_build_frag_ack(u8 id, u8 code);
+
+#endif /* EAP_WSC_COMMON_H */
diff --git a/src/eap_common/ikev2_common.c b/src/eap_common/ikev2_common.c
new file mode 100644
index 0000000..003c288
--- /dev/null
+++ b/src/eap_common/ikev2_common.c
@@ -0,0 +1,797 @@
+/*
+ * IKEv2 common routines for initiator and responder
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/crypto.h"
+#include "crypto/md5.h"
+#include "crypto/sha1.h"
+#include "crypto/random.h"
+#include "ikev2_common.h"
+
+
+static struct ikev2_integ_alg ikev2_integ_algs[] = {
+	{ AUTH_HMAC_SHA1_96, 20, 12 },
+	{ AUTH_HMAC_MD5_96, 16, 12 }
+};
+
+#define NUM_INTEG_ALGS (sizeof(ikev2_integ_algs) / sizeof(ikev2_integ_algs[0]))
+
+
+static struct ikev2_prf_alg ikev2_prf_algs[] = {
+	{ PRF_HMAC_SHA1, 20, 20 },
+	{ PRF_HMAC_MD5, 16, 16 }
+};
+
+#define NUM_PRF_ALGS (sizeof(ikev2_prf_algs) / sizeof(ikev2_prf_algs[0]))
+
+
+static struct ikev2_encr_alg ikev2_encr_algs[] = {
+	{ ENCR_AES_CBC, 16, 16 }, /* only 128-bit keys supported for now */
+	{ ENCR_3DES, 24, 8 }
+};
+
+#define NUM_ENCR_ALGS (sizeof(ikev2_encr_algs) / sizeof(ikev2_encr_algs[0]))
+
+
+const struct ikev2_integ_alg * ikev2_get_integ(int id)
+{
+	size_t i;
+
+	for (i = 0; i < NUM_INTEG_ALGS; i++) {
+		if (ikev2_integ_algs[i].id == id)
+			return &ikev2_integ_algs[i];
+	}
+
+	return NULL;
+}
+
+
+int ikev2_integ_hash(int alg, const u8 *key, size_t key_len, const u8 *data,
+		     size_t data_len, u8 *hash)
+{
+	u8 tmphash[IKEV2_MAX_HASH_LEN];
+
+	switch (alg) {
+	case AUTH_HMAC_SHA1_96:
+		if (key_len != 20)
+			return -1;
+		hmac_sha1(key, key_len, data, data_len, tmphash);
+		os_memcpy(hash, tmphash, 12);
+		break;
+	case AUTH_HMAC_MD5_96:
+		if (key_len != 16)
+			return -1;
+		hmac_md5(key, key_len, data, data_len, tmphash);
+		os_memcpy(hash, tmphash, 12);
+		break;
+	default:
+		return -1;
+	}
+
+	return 0;
+}
+
+
+const struct ikev2_prf_alg * ikev2_get_prf(int id)
+{
+	size_t i;
+
+	for (i = 0; i < NUM_PRF_ALGS; i++) {
+		if (ikev2_prf_algs[i].id == id)
+			return &ikev2_prf_algs[i];
+	}
+
+	return NULL;
+}
+
+
+int ikev2_prf_hash(int alg, const u8 *key, size_t key_len,
+		   size_t num_elem, const u8 *addr[], const size_t *len,
+		   u8 *hash)
+{
+	switch (alg) {
+	case PRF_HMAC_SHA1:
+		hmac_sha1_vector(key, key_len, num_elem, addr, len, hash);
+		break;
+	case PRF_HMAC_MD5:
+		hmac_md5_vector(key, key_len, num_elem, addr, len, hash);
+		break;
+	default:
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int ikev2_prf_plus(int alg, const u8 *key, size_t key_len,
+		   const u8 *data, size_t data_len,
+		   u8 *out, size_t out_len)
+{
+	u8 hash[IKEV2_MAX_HASH_LEN];
+	size_t hash_len;
+	u8 iter, *pos, *end;
+	const u8 *addr[3];
+	size_t len[3];
+	const struct ikev2_prf_alg *prf;
+	int res;
+
+	prf = ikev2_get_prf(alg);
+	if (prf == NULL)
+		return -1;
+	hash_len = prf->hash_len;
+
+	addr[0] = hash;
+	len[0] = hash_len;
+	addr[1] = data;
+	len[1] = data_len;
+	addr[2] = &iter;
+	len[2] = 1;
+
+	pos = out;
+	end = out + out_len;
+	iter = 1;
+	while (pos < end) {
+		size_t clen;
+		if (iter == 1)
+			res = ikev2_prf_hash(alg, key, key_len, 2, &addr[1],
+					     &len[1], hash);
+		else
+			res = ikev2_prf_hash(alg, key, key_len, 3, addr, len,
+					     hash);
+		if (res < 0)
+			return -1;
+		clen = hash_len;
+		if ((int) clen > end - pos)
+			clen = end - pos;
+		os_memcpy(pos, hash, clen);
+		pos += clen;
+		iter++;
+	}
+
+	return 0;
+}
+
+
+const struct ikev2_encr_alg * ikev2_get_encr(int id)
+{
+	size_t i;
+
+	for (i = 0; i < NUM_ENCR_ALGS; i++) {
+		if (ikev2_encr_algs[i].id == id)
+			return &ikev2_encr_algs[i];
+	}
+
+	return NULL;
+}
+
+
+#ifdef CCNS_PL
+/* from des.c */
+struct des3_key_s {
+	u32 ek[3][32];
+	u32 dk[3][32];
+};
+
+void des3_key_setup(const u8 *key, struct des3_key_s *dkey);
+void des3_encrypt(const u8 *plain, const struct des3_key_s *key, u8 *crypt);
+void des3_decrypt(const u8 *crypt, const struct des3_key_s *key, u8 *plain);
+#endif /* CCNS_PL */
+
+
+int ikev2_encr_encrypt(int alg, const u8 *key, size_t key_len, const u8 *iv,
+		       const u8 *plain, u8 *crypt, size_t len)
+{
+	struct crypto_cipher *cipher;
+	int encr_alg;
+
+#ifdef CCNS_PL
+	if (alg == ENCR_3DES) {
+		struct des3_key_s des3key;
+		size_t i, blocks;
+		u8 *pos;
+
+		/* ECB mode is used incorrectly for 3DES!? */
+		if (key_len != 24) {
+			wpa_printf(MSG_INFO, "IKEV2: Invalid encr key length");
+			return -1;
+		}
+		des3_key_setup(key, &des3key);
+
+		blocks = len / 8;
+		pos = crypt;
+		for (i = 0; i < blocks; i++) {
+			des3_encrypt(pos, &des3key, pos);
+			pos += 8;
+		}
+	} else {
+#endif /* CCNS_PL */
+	switch (alg) {
+	case ENCR_3DES:
+		encr_alg = CRYPTO_CIPHER_ALG_3DES;
+		break;
+	case ENCR_AES_CBC:
+		encr_alg = CRYPTO_CIPHER_ALG_AES;
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "IKEV2: Unsupported encr alg %d", alg);
+		return -1;
+	}
+
+	cipher = crypto_cipher_init(encr_alg, iv, key, key_len);
+	if (cipher == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: Failed to initialize cipher");
+		return -1;
+	}
+
+	if (crypto_cipher_encrypt(cipher, plain, crypt, len) < 0) {
+		wpa_printf(MSG_INFO, "IKEV2: Encryption failed");
+		crypto_cipher_deinit(cipher);
+		return -1;
+	}
+	crypto_cipher_deinit(cipher);
+#ifdef CCNS_PL
+	}
+#endif /* CCNS_PL */
+
+	return 0;
+}
+
+
+int ikev2_encr_decrypt(int alg, const u8 *key, size_t key_len, const u8 *iv,
+		       const u8 *crypt, u8 *plain, size_t len)
+{
+	struct crypto_cipher *cipher;
+	int encr_alg;
+
+#ifdef CCNS_PL
+	if (alg == ENCR_3DES) {
+		struct des3_key_s des3key;
+		size_t i, blocks;
+
+		/* ECB mode is used incorrectly for 3DES!? */
+		if (key_len != 24) {
+			wpa_printf(MSG_INFO, "IKEV2: Invalid encr key length");
+			return -1;
+		}
+		des3_key_setup(key, &des3key);
+
+		if (len % 8) {
+			wpa_printf(MSG_INFO, "IKEV2: Invalid encrypted "
+				   "length");
+			return -1;
+		}
+		blocks = len / 8;
+		for (i = 0; i < blocks; i++) {
+			des3_decrypt(crypt, &des3key, plain);
+			plain += 8;
+			crypt += 8;
+		}
+	} else {
+#endif /* CCNS_PL */
+	switch (alg) {
+	case ENCR_3DES:
+		encr_alg = CRYPTO_CIPHER_ALG_3DES;
+		break;
+	case ENCR_AES_CBC:
+		encr_alg = CRYPTO_CIPHER_ALG_AES;
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "IKEV2: Unsupported encr alg %d", alg);
+		return -1;
+	}
+
+	cipher = crypto_cipher_init(encr_alg, iv, key, key_len);
+	if (cipher == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: Failed to initialize cipher");
+		return -1;
+	}
+
+	if (crypto_cipher_decrypt(cipher, crypt, plain, len) < 0) {
+		wpa_printf(MSG_INFO, "IKEV2: Decryption failed");
+		crypto_cipher_deinit(cipher);
+		return -1;
+	}
+	crypto_cipher_deinit(cipher);
+#ifdef CCNS_PL
+	}
+#endif /* CCNS_PL */
+
+	return 0;
+}
+
+
+int ikev2_parse_payloads(struct ikev2_payloads *payloads,
+			 u8 next_payload, const u8 *pos, const u8 *end)
+{
+	const struct ikev2_payload_hdr *phdr;
+
+	os_memset(payloads, 0, sizeof(*payloads));
+
+	while (next_payload != IKEV2_PAYLOAD_NO_NEXT_PAYLOAD) {
+		int plen, pdatalen;
+		const u8 *pdata;
+		wpa_printf(MSG_DEBUG, "IKEV2: Processing payload %u",
+			   next_payload);
+		if (end - pos < (int) sizeof(*phdr)) {
+			wpa_printf(MSG_INFO, "IKEV2:   Too short message for "
+				   "payload header (left=%ld)",
+				   (long) (end - pos));
+		}
+		phdr = (const struct ikev2_payload_hdr *) pos;
+		plen = WPA_GET_BE16(phdr->payload_length);
+		if (plen < (int) sizeof(*phdr) || pos + plen > end) {
+			wpa_printf(MSG_INFO, "IKEV2:   Invalid payload header "
+				   "length %d", plen);
+			return -1;
+		}
+
+		wpa_printf(MSG_DEBUG, "IKEV2:   Next Payload: %u  Flags: 0x%x"
+			   "  Payload Length: %d",
+			   phdr->next_payload, phdr->flags, plen);
+
+		pdata = (const u8 *) (phdr + 1);
+		pdatalen = plen - sizeof(*phdr);
+
+		switch (next_payload) {
+		case IKEV2_PAYLOAD_SA:
+			wpa_printf(MSG_DEBUG, "IKEV2:   Payload: Security "
+				   "Association");
+			payloads->sa = pdata;
+			payloads->sa_len = pdatalen;
+			break;
+		case IKEV2_PAYLOAD_KEY_EXCHANGE:
+			wpa_printf(MSG_DEBUG, "IKEV2:   Payload: Key "
+				   "Exchange");
+			payloads->ke = pdata;
+			payloads->ke_len = pdatalen;
+			break;
+		case IKEV2_PAYLOAD_IDi:
+			wpa_printf(MSG_DEBUG, "IKEV2:   Payload: IDi");
+			payloads->idi = pdata;
+			payloads->idi_len = pdatalen;
+			break;
+		case IKEV2_PAYLOAD_IDr:
+			wpa_printf(MSG_DEBUG, "IKEV2:   Payload: IDr");
+			payloads->idr = pdata;
+			payloads->idr_len = pdatalen;
+			break;
+		case IKEV2_PAYLOAD_CERTIFICATE:
+			wpa_printf(MSG_DEBUG, "IKEV2:   Payload: Certificate");
+			payloads->cert = pdata;
+			payloads->cert_len = pdatalen;
+			break;
+		case IKEV2_PAYLOAD_AUTHENTICATION:
+			wpa_printf(MSG_DEBUG, "IKEV2:   Payload: "
+				   "Authentication");
+			payloads->auth = pdata;
+			payloads->auth_len = pdatalen;
+			break;
+		case IKEV2_PAYLOAD_NONCE:
+			wpa_printf(MSG_DEBUG, "IKEV2:   Payload: Nonce");
+			payloads->nonce = pdata;
+			payloads->nonce_len = pdatalen;
+			break;
+		case IKEV2_PAYLOAD_ENCRYPTED:
+			wpa_printf(MSG_DEBUG, "IKEV2:   Payload: Encrypted");
+			payloads->encrypted = pdata;
+			payloads->encrypted_len = pdatalen;
+			break;
+		case IKEV2_PAYLOAD_NOTIFICATION:
+			wpa_printf(MSG_DEBUG, "IKEV2:   Payload: "
+				   "Notification");
+			payloads->notification = pdata;
+			payloads->notification_len = pdatalen;
+			break;
+		default:
+			if (phdr->flags & IKEV2_PAYLOAD_FLAGS_CRITICAL) {
+				wpa_printf(MSG_INFO, "IKEV2:   Unsupported "
+					   "critical payload %u - reject the "
+					   "entire message", next_payload);
+				return -1;
+			} else {
+				wpa_printf(MSG_DEBUG, "IKEV2:   Skipped "
+					   "unsupported payload %u",
+					   next_payload);
+			}
+		}
+
+		if (next_payload == IKEV2_PAYLOAD_ENCRYPTED &&
+		    pos + plen == end) {
+			/*
+			 * Next Payload in the case of Encrypted Payload is
+			 * actually the payload type for the first embedded
+			 * payload.
+			 */
+			payloads->encr_next_payload = phdr->next_payload;
+			next_payload = IKEV2_PAYLOAD_NO_NEXT_PAYLOAD;
+		} else
+			next_payload = phdr->next_payload;
+
+		pos += plen;
+	}
+
+	if (pos != end) {
+		wpa_printf(MSG_INFO, "IKEV2: Unexpected extra data after "
+			   "payloads");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int ikev2_derive_auth_data(int prf_alg, const struct wpabuf *sign_msg,
+			   const u8 *ID, size_t ID_len, u8 ID_type,
+			   struct ikev2_keys *keys, int initiator,
+			   const u8 *shared_secret, size_t shared_secret_len,
+			   const u8 *nonce, size_t nonce_len,
+			   const u8 *key_pad, size_t key_pad_len,
+			   u8 *auth_data)
+{
+	size_t sign_len, buf_len;
+	u8 *sign_data, *pos, *buf, hash[IKEV2_MAX_HASH_LEN];
+	const struct ikev2_prf_alg *prf;
+	const u8 *SK_p = initiator ? keys->SK_pi : keys->SK_pr;
+
+	prf = ikev2_get_prf(prf_alg);
+	if (sign_msg == NULL || ID == NULL || SK_p == NULL ||
+	    shared_secret == NULL || nonce == NULL || prf == NULL)
+		return -1;
+
+	/* prf(SK_pi/r,IDi/r') */
+	buf_len = 4 + ID_len;
+	buf = os_zalloc(buf_len);
+	if (buf == NULL)
+		return -1;
+	buf[0] = ID_type;
+	os_memcpy(buf + 4, ID, ID_len);
+	if (ikev2_prf_hash(prf->id, SK_p, keys->SK_prf_len,
+			   1, (const u8 **) &buf, &buf_len, hash) < 0) {
+		os_free(buf);
+		return -1;
+	}
+	os_free(buf);
+
+	/* sign_data = msg | Nr/i | prf(SK_pi/r,IDi/r') */
+	sign_len = wpabuf_len(sign_msg) + nonce_len + prf->hash_len;
+	sign_data = os_malloc(sign_len);
+	if (sign_data == NULL)
+		return -1;
+	pos = sign_data;
+	os_memcpy(pos, wpabuf_head(sign_msg), wpabuf_len(sign_msg));
+	pos += wpabuf_len(sign_msg);
+	os_memcpy(pos, nonce, nonce_len);
+	pos += nonce_len;
+	os_memcpy(pos, hash, prf->hash_len);
+
+	/* AUTH = prf(prf(Shared Secret, key pad, sign_data) */
+	if (ikev2_prf_hash(prf->id, shared_secret, shared_secret_len, 1,
+			   &key_pad, &key_pad_len, hash) < 0 ||
+	    ikev2_prf_hash(prf->id, hash, prf->hash_len, 1,
+			   (const u8 **) &sign_data, &sign_len, auth_data) < 0)
+	{
+		os_free(sign_data);
+		return -1;
+	}
+	os_free(sign_data);
+
+	return 0;
+}
+
+
+u8 * ikev2_decrypt_payload(int encr_id, int integ_id,
+			   struct ikev2_keys *keys, int initiator,
+			   const struct ikev2_hdr *hdr,
+			   const u8 *encrypted, size_t encrypted_len,
+			   size_t *res_len)
+{
+	size_t iv_len;
+	const u8 *pos, *end, *iv, *integ;
+	u8 hash[IKEV2_MAX_HASH_LEN], *decrypted;
+	size_t decrypted_len, pad_len;
+	const struct ikev2_integ_alg *integ_alg;
+	const struct ikev2_encr_alg *encr_alg;
+	const u8 *SK_e = initiator ? keys->SK_ei : keys->SK_er;
+	const u8 *SK_a = initiator ? keys->SK_ai : keys->SK_ar;
+
+	if (encrypted == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: No Encrypted payload in SA_AUTH");
+		return NULL;
+	}
+
+	encr_alg = ikev2_get_encr(encr_id);
+	if (encr_alg == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: Unsupported encryption type");
+		return NULL;
+	}
+	iv_len = encr_alg->block_size;
+
+	integ_alg = ikev2_get_integ(integ_id);
+	if (integ_alg == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: Unsupported intergrity type");
+		return NULL;
+	}
+
+	if (encrypted_len < iv_len + 1 + integ_alg->hash_len) {
+		wpa_printf(MSG_INFO, "IKEV2: No room for IV or Integrity "
+			  "Checksum");
+		return NULL;
+	}
+
+	iv = encrypted;
+	pos = iv + iv_len;
+	end = encrypted + encrypted_len;
+	integ = end - integ_alg->hash_len;
+
+	if (SK_a == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: No SK_a available");
+		return NULL;
+	}
+	if (ikev2_integ_hash(integ_id, SK_a, keys->SK_integ_len,
+			     (const u8 *) hdr,
+			     integ - (const u8 *) hdr, hash) < 0) {
+		wpa_printf(MSG_INFO, "IKEV2: Failed to calculate integrity "
+			   "hash");
+		return NULL;
+	}
+	if (os_memcmp(integ, hash, integ_alg->hash_len) != 0) {
+		wpa_printf(MSG_INFO, "IKEV2: Incorrect Integrity Checksum "
+			   "Data");
+		return NULL;
+	}
+
+	if (SK_e == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: No SK_e available");
+		return NULL;
+	}
+
+	decrypted_len = integ - pos;
+	decrypted = os_malloc(decrypted_len);
+	if (decrypted == NULL)
+		return NULL;
+
+	if (ikev2_encr_decrypt(encr_alg->id, SK_e, keys->SK_encr_len, iv, pos,
+			       decrypted, decrypted_len) < 0) {
+		os_free(decrypted);
+		return NULL;
+	}
+
+	pad_len = decrypted[decrypted_len - 1];
+	if (decrypted_len < pad_len + 1) {
+		wpa_printf(MSG_INFO, "IKEV2: Invalid padding in encrypted "
+			   "payload");
+		os_free(decrypted);
+		return NULL;
+	}
+
+	decrypted_len -= pad_len + 1;
+
+	*res_len = decrypted_len;
+	return decrypted;
+}
+
+
+void ikev2_update_hdr(struct wpabuf *msg)
+{
+	struct ikev2_hdr *hdr;
+
+	/* Update lenth field in HDR */
+	hdr = wpabuf_mhead(msg);
+	WPA_PUT_BE32(hdr->length, wpabuf_len(msg));
+}
+
+
+int ikev2_build_encrypted(int encr_id, int integ_id, struct ikev2_keys *keys,
+			  int initiator, struct wpabuf *msg,
+			  struct wpabuf *plain, u8 next_payload)
+{
+	struct ikev2_payload_hdr *phdr;
+	size_t plen;
+	size_t iv_len, pad_len;
+	u8 *icv, *iv;
+	const struct ikev2_integ_alg *integ_alg;
+	const struct ikev2_encr_alg *encr_alg;
+	const u8 *SK_e = initiator ? keys->SK_ei : keys->SK_er;
+	const u8 *SK_a = initiator ? keys->SK_ai : keys->SK_ar;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Adding Encrypted payload");
+
+	/* Encr - RFC 4306, Sect. 3.14 */
+
+	encr_alg = ikev2_get_encr(encr_id);
+	if (encr_alg == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: Unsupported encryption type");
+		return -1;
+	}
+	iv_len = encr_alg->block_size;
+
+	integ_alg = ikev2_get_integ(integ_id);
+	if (integ_alg == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: Unsupported intergrity type");
+		return -1;
+	}
+
+	if (SK_e == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: No SK_e available");
+		return -1;
+	}
+
+	if (SK_a == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: No SK_a available");
+		return -1;
+	}
+
+	phdr = wpabuf_put(msg, sizeof(*phdr));
+	phdr->next_payload = next_payload;
+	phdr->flags = 0;
+
+	iv = wpabuf_put(msg, iv_len);
+	if (random_get_bytes(iv, iv_len)) {
+		wpa_printf(MSG_INFO, "IKEV2: Could not generate IV");
+		return -1;
+	}
+
+	pad_len = iv_len - (wpabuf_len(plain) + 1) % iv_len;
+	if (pad_len == iv_len)
+		pad_len = 0;
+	wpabuf_put(plain, pad_len);
+	wpabuf_put_u8(plain, pad_len);
+
+	if (ikev2_encr_encrypt(encr_alg->id, SK_e, keys->SK_encr_len, iv,
+			       wpabuf_head(plain), wpabuf_mhead(plain),
+			       wpabuf_len(plain)) < 0)
+		return -1;
+
+	wpabuf_put_buf(msg, plain);
+
+	/* Need to update all headers (Length fields) prior to hash func */
+	icv = wpabuf_put(msg, integ_alg->hash_len);
+	plen = (u8 *) wpabuf_put(msg, 0) - (u8 *) phdr;
+	WPA_PUT_BE16(phdr->payload_length, plen);
+
+	ikev2_update_hdr(msg);
+
+	return ikev2_integ_hash(integ_id, SK_a, keys->SK_integ_len,
+				wpabuf_head(msg),
+				wpabuf_len(msg) - integ_alg->hash_len, icv);
+
+	return 0;
+}
+
+
+int ikev2_keys_set(struct ikev2_keys *keys)
+{
+	return keys->SK_d && keys->SK_ai && keys->SK_ar && keys->SK_ei &&
+		keys->SK_er && keys->SK_pi && keys->SK_pr;
+}
+
+
+void ikev2_free_keys(struct ikev2_keys *keys)
+{
+	os_free(keys->SK_d);
+	os_free(keys->SK_ai);
+	os_free(keys->SK_ar);
+	os_free(keys->SK_ei);
+	os_free(keys->SK_er);
+	os_free(keys->SK_pi);
+	os_free(keys->SK_pr);
+	keys->SK_d = keys->SK_ai = keys->SK_ar = keys->SK_ei = keys->SK_er =
+		keys->SK_pi = keys->SK_pr = NULL;
+}
+
+
+int ikev2_derive_sk_keys(const struct ikev2_prf_alg *prf,
+			 const struct ikev2_integ_alg *integ,
+			 const struct ikev2_encr_alg *encr,
+			 const u8 *skeyseed, const u8 *data, size_t data_len,
+			 struct ikev2_keys *keys)
+{
+	u8 *keybuf, *pos;
+	size_t keybuf_len;
+
+	/*
+	 * {SK_d | SK_ai | SK_ar | SK_ei | SK_er | SK_pi | SK_pr } =
+	 *	prf+(SKEYSEED, Ni | Nr | SPIi | SPIr )
+	 */
+	ikev2_free_keys(keys);
+	keys->SK_d_len = prf->key_len;
+	keys->SK_integ_len = integ->key_len;
+	keys->SK_encr_len = encr->key_len;
+	keys->SK_prf_len = prf->key_len;
+#ifdef CCNS_PL
+	/* Uses encryption key length for SK_d; should be PRF length */
+	keys->SK_d_len = keys->SK_encr_len;
+#endif /* CCNS_PL */
+
+	keybuf_len = keys->SK_d_len + 2 * keys->SK_integ_len +
+		2 * keys->SK_encr_len + 2 * keys->SK_prf_len;
+	keybuf = os_malloc(keybuf_len);
+	if (keybuf == NULL)
+		return -1;
+
+	if (ikev2_prf_plus(prf->id, skeyseed, prf->hash_len,
+			   data, data_len, keybuf, keybuf_len)) {
+		os_free(keybuf);
+		return -1;
+	}
+
+	pos = keybuf;
+
+	keys->SK_d = os_malloc(keys->SK_d_len);
+	if (keys->SK_d) {
+		os_memcpy(keys->SK_d, pos, keys->SK_d_len);
+		wpa_hexdump_key(MSG_DEBUG, "IKEV2: SK_d",
+				keys->SK_d, keys->SK_d_len);
+	}
+	pos += keys->SK_d_len;
+
+	keys->SK_ai = os_malloc(keys->SK_integ_len);
+	if (keys->SK_ai) {
+		os_memcpy(keys->SK_ai, pos, keys->SK_integ_len);
+		wpa_hexdump_key(MSG_DEBUG, "IKEV2: SK_ai",
+				keys->SK_ai, keys->SK_integ_len);
+	}
+	pos += keys->SK_integ_len;
+
+	keys->SK_ar = os_malloc(keys->SK_integ_len);
+	if (keys->SK_ar) {
+		os_memcpy(keys->SK_ar, pos, keys->SK_integ_len);
+		wpa_hexdump_key(MSG_DEBUG, "IKEV2: SK_ar",
+				keys->SK_ar, keys->SK_integ_len);
+	}
+	pos += keys->SK_integ_len;
+
+	keys->SK_ei = os_malloc(keys->SK_encr_len);
+	if (keys->SK_ei) {
+		os_memcpy(keys->SK_ei, pos, keys->SK_encr_len);
+		wpa_hexdump_key(MSG_DEBUG, "IKEV2: SK_ei",
+				keys->SK_ei, keys->SK_encr_len);
+	}
+	pos += keys->SK_encr_len;
+
+	keys->SK_er = os_malloc(keys->SK_encr_len);
+	if (keys->SK_er) {
+		os_memcpy(keys->SK_er, pos, keys->SK_encr_len);
+		wpa_hexdump_key(MSG_DEBUG, "IKEV2: SK_er",
+				keys->SK_er, keys->SK_encr_len);
+	}
+	pos += keys->SK_encr_len;
+
+	keys->SK_pi = os_malloc(keys->SK_prf_len);
+	if (keys->SK_pi) {
+		os_memcpy(keys->SK_pi, pos, keys->SK_prf_len);
+		wpa_hexdump_key(MSG_DEBUG, "IKEV2: SK_pi",
+				keys->SK_pi, keys->SK_prf_len);
+	}
+	pos += keys->SK_prf_len;
+
+	keys->SK_pr = os_malloc(keys->SK_prf_len);
+	if (keys->SK_pr) {
+		os_memcpy(keys->SK_pr, pos, keys->SK_prf_len);
+		wpa_hexdump_key(MSG_DEBUG, "IKEV2: SK_pr",
+				keys->SK_pr, keys->SK_prf_len);
+	}
+
+	os_free(keybuf);
+
+	if (!ikev2_keys_set(keys)) {
+		ikev2_free_keys(keys);
+		return -1;
+	}
+
+	return 0;
+}
diff --git a/src/eap_common/ikev2_common.h b/src/eap_common/ikev2_common.h
new file mode 100644
index 0000000..c96a070
--- /dev/null
+++ b/src/eap_common/ikev2_common.h
@@ -0,0 +1,344 @@
+/*
+ * IKEv2 definitions
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef IKEV2_COMMON_H
+#define IKEV2_COMMON_H
+
+/*
+ * Nonce length must be at least 16 octets. It must also be at least half the
+ * key size of the negotiated PRF.
+ */
+#define IKEV2_NONCE_MIN_LEN 16
+#define IKEV2_NONCE_MAX_LEN 256
+
+/* IKE Header - RFC 4306, Sect. 3.1 */
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+#define IKEV2_SPI_LEN 8
+
+struct ikev2_hdr {
+	u8 i_spi[IKEV2_SPI_LEN]; /* IKE_SA Initiator's SPI */
+	u8 r_spi[IKEV2_SPI_LEN]; /* IKE_SA Responder's SPI */
+	u8 next_payload;
+	u8 version; /* MjVer | MnVer */
+	u8 exchange_type;
+	u8 flags;
+	u8 message_id[4];
+	u8 length[4]; /* total length of HDR + payloads */
+} STRUCT_PACKED;
+
+struct ikev2_payload_hdr {
+	u8 next_payload;
+	u8 flags;
+	u8 payload_length[2]; /* this payload, including the payload header */
+} STRUCT_PACKED;
+
+struct ikev2_proposal {
+	u8 type; /* 0 (last) or 2 (more) */
+	u8 reserved;
+	u8 proposal_length[2]; /* including all transform and attributes */
+	u8 proposal_num;
+	u8 protocol_id; /* IKEV2_PROTOCOL_* */
+	u8 spi_size;
+	u8 num_transforms;
+	/* SPI of spi_size octets */
+	/* Transforms */
+} STRUCT_PACKED;
+
+struct ikev2_transform {
+	u8 type; /* 0 (last) or 3 (more) */
+	u8 reserved;
+	u8 transform_length[2]; /* including Header and Attributes */
+	u8 transform_type;
+	u8 reserved2;
+	u8 transform_id[2];
+	/* Transform Attributes */
+} STRUCT_PACKED;
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+
+/* Current IKEv2 version from RFC 4306 */
+#define IKEV2_MjVer 2
+#define IKEV2_MnVer 0
+#ifdef CCNS_PL
+#define IKEV2_VERSION ((IKEV2_MjVer) | ((IKEV2_MnVer) << 4))
+#else /* CCNS_PL */
+#define IKEV2_VERSION (((IKEV2_MjVer) << 4) | (IKEV2_MnVer))
+#endif /* CCNS_PL */
+
+/* IKEv2 Exchange Types */
+enum {
+	/* 0-33 RESERVED */
+	IKE_SA_INIT = 34,
+	IKE_SA_AUTH = 35,
+	CREATE_CHILD_SA = 36,
+	INFORMATION = 37
+	/* 38-239 RESERVED TO IANA */
+	/* 240-255 Reserved for private use */
+};
+
+/* IKEv2 Flags */
+#define IKEV2_HDR_INITIATOR	0x08
+#define IKEV2_HDR_VERSION	0x10
+#define IKEV2_HDR_RESPONSE	0x20
+
+/* Payload Header Flags */
+#define IKEV2_PAYLOAD_FLAGS_CRITICAL 0x01
+
+
+/* EAP-IKEv2 Payload Types (in Next Payload Type field)
+ * http://www.iana.org/assignments/eap-ikev2-payloads */
+enum {
+	IKEV2_PAYLOAD_NO_NEXT_PAYLOAD = 0,
+	IKEV2_PAYLOAD_SA = 33,
+	IKEV2_PAYLOAD_KEY_EXCHANGE = 34,
+	IKEV2_PAYLOAD_IDi = 35,
+	IKEV2_PAYLOAD_IDr = 36,
+	IKEV2_PAYLOAD_CERTIFICATE = 37,
+	IKEV2_PAYLOAD_CERT_REQ = 38,
+	IKEV2_PAYLOAD_AUTHENTICATION = 39,
+	IKEV2_PAYLOAD_NONCE = 40,
+	IKEV2_PAYLOAD_NOTIFICATION = 41,
+	IKEV2_PAYLOAD_VENDOD_ID = 43,
+	IKEV2_PAYLOAD_ENCRYPTED = 46,
+	IKEV2_PAYLOAD_NEXT_FAST_ID = 121
+};
+
+
+/* IKEv2 Proposal - Protocol ID */
+enum {
+	IKEV2_PROTOCOL_RESERVED = 0,
+	IKEV2_PROTOCOL_IKE = 1, /* IKE is the only one allowed for EAP-IKEv2 */
+	IKEV2_PROTOCOL_AH = 2,
+	IKEV2_PROTOCOL_ESP = 3
+};
+
+
+/* IKEv2 Transform Types */
+enum {
+	IKEV2_TRANSFORM_ENCR = 1,
+	IKEV2_TRANSFORM_PRF = 2,
+	IKEV2_TRANSFORM_INTEG = 3,
+	IKEV2_TRANSFORM_DH = 4,
+	IKEV2_TRANSFORM_ESN = 5
+};
+
+/* IKEv2 Tranform Type 1 (Encryption Algorithm) */
+enum {
+	ENCR_DES_IV64 = 1,
+	ENCR_DES = 2,
+	ENCR_3DES = 3,
+	ENCR_RC5 = 4,
+	ENCR_IDEA = 5,
+	ENCR_CAST = 6,
+	ENCR_BLOWFISH = 7,
+	ENCR_3IDEA = 8,
+	ENCR_DES_IV32 = 9,
+	ENCR_NULL = 11,
+	ENCR_AES_CBC = 12,
+	ENCR_AES_CTR = 13
+};
+
+/* IKEv2 Transform Type 2 (Pseudo-random Function) */
+enum {
+	PRF_HMAC_MD5 = 1,
+	PRF_HMAC_SHA1 = 2,
+	PRF_HMAC_TIGER = 3,
+	PRF_AES128_XCBC = 4
+};
+
+/* IKEv2 Transform Type 3 (Integrity Algorithm) */
+enum {
+	AUTH_HMAC_MD5_96 = 1,
+	AUTH_HMAC_SHA1_96 = 2,
+	AUTH_DES_MAC = 3,
+	AUTH_KPDK_MD5 = 4,
+	AUTH_AES_XCBC_96 = 5
+};
+
+/* IKEv2 Transform Type 4 (Diffie-Hellman Group) */
+enum {
+	DH_GROUP1_768BIT_MODP = 1, /* RFC 4306 */
+	DH_GROUP2_1024BIT_MODP = 2, /* RFC 4306 */
+	DH_GROUP5_1536BIT_MODP = 5, /* RFC 3526 */
+	DH_GROUP5_2048BIT_MODP = 14, /* RFC 3526 */
+	DH_GROUP5_3072BIT_MODP = 15, /* RFC 3526 */
+	DH_GROUP5_4096BIT_MODP = 16, /* RFC 3526 */
+	DH_GROUP5_6144BIT_MODP = 17, /* RFC 3526 */
+	DH_GROUP5_8192BIT_MODP = 18 /* RFC 3526 */
+};
+
+
+/* Identification Data Types (RFC 4306, Sect. 3.5) */
+enum {
+	ID_IPV4_ADDR = 1,
+	ID_FQDN = 2,
+	ID_RFC822_ADDR = 3,
+	ID_IPV6_ADDR = 5,
+	ID_DER_ASN1_DN = 9,
+	ID_DER_ASN1_GN= 10,
+	ID_KEY_ID = 11
+};
+
+
+/* Certificate Encoding (RFC 4306, Sect. 3.6) */
+enum {
+	CERT_ENCODING_PKCS7_X509 = 1,
+	CERT_ENCODING_PGP_CERT = 2,
+	CERT_ENCODING_DNS_SIGNED_KEY = 3,
+	/* X.509 Certificate - Signature: DER encoded X.509 certificate whose
+	 * public key is used to validate the sender's AUTH payload */
+	CERT_ENCODING_X509_CERT_SIGN = 4,
+	CERT_ENCODING_KERBEROS_TOKEN = 6,
+	/* DER encoded X.509 certificate revocation list */
+	CERT_ENCODING_CRL = 7,
+	CERT_ENCODING_ARL = 8,
+	CERT_ENCODING_SPKI_CERT = 9,
+	CERT_ENCODING_X509_CERT_ATTR = 10,
+	/* PKCS #1 encoded RSA key */
+	CERT_ENCODING_RAW_RSA_KEY = 11,
+	CERT_ENCODING_HASH_AND_URL_X509_CERT = 12,
+	CERT_ENCODING_HASH_AND_URL_X509_BUNDLE = 13
+};
+
+
+/* Authentication Method (RFC 4306, Sect. 3.8) */
+enum {
+	AUTH_RSA_SIGN = 1,
+	AUTH_SHARED_KEY_MIC = 2,
+	AUTH_DSS_SIGN = 3
+};
+
+
+/* Notify Message Types (RFC 4306, Sect. 3.10.1) */
+enum {
+	UNSUPPORTED_CRITICAL_PAYLOAD = 1,
+	INVALID_IKE_SPI = 4,
+	INVALID_MAJOR_VERSION = 5,
+	INVALID_SYNTAX = 7,
+	INVALID_MESSAGE_ID = 9,
+	INVALID_SPI = 11,
+	NO_PROPOSAL_CHOSEN = 14,
+	INVALID_KE_PAYLOAD = 17,
+	AUTHENTICATION_FAILED = 24,
+	SINGLE_PAIR_REQUIRED = 34,
+	NO_ADDITIONAL_SAS = 35,
+	INTERNAL_ADDRESS_FAILURE = 36,
+	FAILED_CP_REQUIRED = 37,
+	TS_UNACCEPTABLE = 38,
+	INVALID_SELECTORS = 39
+};
+
+
+struct ikev2_keys {
+	u8 *SK_d, *SK_ai, *SK_ar, *SK_ei, *SK_er, *SK_pi, *SK_pr;
+	size_t SK_d_len, SK_integ_len, SK_encr_len, SK_prf_len;
+};
+
+
+int ikev2_keys_set(struct ikev2_keys *keys);
+void ikev2_free_keys(struct ikev2_keys *keys);
+
+
+/* Maximum hash length for supported hash algorithms */
+#define IKEV2_MAX_HASH_LEN 20
+
+struct ikev2_integ_alg {
+	int id;
+	size_t key_len;
+	size_t hash_len;
+};
+
+struct ikev2_prf_alg {
+	int id;
+	size_t key_len;
+	size_t hash_len;
+};
+
+struct ikev2_encr_alg {
+	int id;
+	size_t key_len;
+	size_t block_size;
+};
+
+const struct ikev2_integ_alg * ikev2_get_integ(int id);
+int ikev2_integ_hash(int alg, const u8 *key, size_t key_len, const u8 *data,
+		     size_t data_len, u8 *hash);
+const struct ikev2_prf_alg * ikev2_get_prf(int id);
+int ikev2_prf_hash(int alg, const u8 *key, size_t key_len,
+		   size_t num_elem, const u8 *addr[], const size_t *len,
+		   u8 *hash);
+int ikev2_prf_plus(int alg, const u8 *key, size_t key_len,
+		   const u8 *data, size_t data_len,
+		   u8 *out, size_t out_len);
+const struct ikev2_encr_alg * ikev2_get_encr(int id);
+int ikev2_encr_encrypt(int alg, const u8 *key, size_t key_len, const u8 *iv,
+		       const u8 *plain, u8 *crypt, size_t len);
+int ikev2_encr_decrypt(int alg, const u8 *key, size_t key_len, const u8 *iv,
+		       const u8 *crypt, u8 *plain, size_t len);
+
+int ikev2_derive_auth_data(int prf_alg, const struct wpabuf *sign_msg,
+			   const u8 *ID, size_t ID_len, u8 ID_type,
+			   struct ikev2_keys *keys, int initiator,
+			   const u8 *shared_secret, size_t shared_secret_len,
+			   const u8 *nonce, size_t nonce_len,
+			   const u8 *key_pad, size_t key_pad_len,
+			   u8 *auth_data);
+
+
+struct ikev2_payloads {
+	const u8 *sa;
+	size_t sa_len;
+	const u8 *ke;
+	size_t ke_len;
+	const u8 *idi;
+	size_t idi_len;
+	const u8 *idr;
+	size_t idr_len;
+	const u8 *cert;
+	size_t cert_len;
+	const u8 *auth;
+	size_t auth_len;
+	const u8 *nonce;
+	size_t nonce_len;
+	const u8 *encrypted;
+	size_t encrypted_len;
+	u8 encr_next_payload;
+	const u8 *notification;
+	size_t notification_len;
+};
+
+int ikev2_parse_payloads(struct ikev2_payloads *payloads,
+			 u8 next_payload, const u8 *pos, const u8 *end);
+
+u8 * ikev2_decrypt_payload(int encr_id, int integ_id, struct ikev2_keys *keys,
+			   int initiator, const struct ikev2_hdr *hdr,
+			   const u8 *encrypted, size_t encrypted_len,
+			   size_t *res_len);
+void ikev2_update_hdr(struct wpabuf *msg);
+int ikev2_build_encrypted(int encr_id, int integ_id, struct ikev2_keys *keys,
+			  int initiator, struct wpabuf *msg,
+			  struct wpabuf *plain, u8 next_payload);
+int ikev2_derive_sk_keys(const struct ikev2_prf_alg *prf,
+			 const struct ikev2_integ_alg *integ,
+			 const struct ikev2_encr_alg *encr,
+			 const u8 *skeyseed, const u8 *data, size_t data_len,
+			 struct ikev2_keys *keys);
+
+#endif /* IKEV2_COMMON_H */
diff --git a/src/eap_peer/Makefile b/src/eap_peer/Makefile
new file mode 100644
index 0000000..3651056
--- /dev/null
+++ b/src/eap_peer/Makefile
@@ -0,0 +1,11 @@
+all:
+	@echo Nothing to be made.
+
+clean:
+	rm -f *~ *.o *.so *.d
+
+install:
+	if ls *.so >/dev/null 2>&1; then \
+		install -d $(DESTDIR)$(LIBDIR)/wpa_supplicant && \
+		cp *.so $(DESTDIR)$(LIBDIR)/wpa_supplicant \
+	; fi
diff --git a/src/eap_peer/eap.c b/src/eap_peer/eap.c
new file mode 100644
index 0000000..8a9826f
--- /dev/null
+++ b/src/eap_peer/eap.c
@@ -0,0 +1,2159 @@
+/*
+ * EAP peer state machines (RFC 4137)
+ * Copyright (c) 2004-2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This file implements the Peer State Machine as defined in RFC 4137. The used
+ * states and state transitions match mostly with the RFC. However, there are
+ * couple of additional transitions for working around small issues noticed
+ * during testing. These exceptions are explained in comments within the
+ * functions in this file. The method functions, m.func(), are similar to the
+ * ones used in RFC 4137, but some small changes have used here to optimize
+ * operations and to add functionality needed for fast re-authentication
+ * (session resumption).
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "pcsc_funcs.h"
+#include "state_machine.h"
+#include "crypto/crypto.h"
+#include "crypto/tls.h"
+#include "common/wpa_ctrl.h"
+#include "eap_common/eap_wsc_common.h"
+#include "eap_i.h"
+#include "eap_config.h"
+
+#define STATE_MACHINE_DATA struct eap_sm
+#define STATE_MACHINE_DEBUG_PREFIX "EAP"
+
+#define EAP_MAX_AUTH_ROUNDS 50
+#define EAP_CLIENT_TIMEOUT_DEFAULT 60
+
+
+static Boolean eap_sm_allowMethod(struct eap_sm *sm, int vendor,
+				  EapType method);
+static struct wpabuf * eap_sm_buildNak(struct eap_sm *sm, int id);
+static void eap_sm_processIdentity(struct eap_sm *sm,
+				   const struct wpabuf *req);
+static void eap_sm_processNotify(struct eap_sm *sm, const struct wpabuf *req);
+static struct wpabuf * eap_sm_buildNotify(int id);
+static void eap_sm_parseEapReq(struct eap_sm *sm, const struct wpabuf *req);
+#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
+static const char * eap_sm_method_state_txt(EapMethodState state);
+static const char * eap_sm_decision_txt(EapDecision decision);
+#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
+
+
+
+static Boolean eapol_get_bool(struct eap_sm *sm, enum eapol_bool_var var)
+{
+	return sm->eapol_cb->get_bool(sm->eapol_ctx, var);
+}
+
+
+static void eapol_set_bool(struct eap_sm *sm, enum eapol_bool_var var,
+			   Boolean value)
+{
+	sm->eapol_cb->set_bool(sm->eapol_ctx, var, value);
+}
+
+
+static unsigned int eapol_get_int(struct eap_sm *sm, enum eapol_int_var var)
+{
+	return sm->eapol_cb->get_int(sm->eapol_ctx, var);
+}
+
+
+static void eapol_set_int(struct eap_sm *sm, enum eapol_int_var var,
+			  unsigned int value)
+{
+	sm->eapol_cb->set_int(sm->eapol_ctx, var, value);
+}
+
+
+static struct wpabuf * eapol_get_eapReqData(struct eap_sm *sm)
+{
+	return sm->eapol_cb->get_eapReqData(sm->eapol_ctx);
+}
+
+
+static void eap_deinit_prev_method(struct eap_sm *sm, const char *txt)
+{
+	if (sm->m == NULL || sm->eap_method_priv == NULL)
+		return;
+
+	wpa_printf(MSG_DEBUG, "EAP: deinitialize previously used EAP method "
+		   "(%d, %s) at %s", sm->selectedMethod, sm->m->name, txt);
+	sm->m->deinit(sm, sm->eap_method_priv);
+	sm->eap_method_priv = NULL;
+	sm->m = NULL;
+}
+
+
+/**
+ * eap_allowed_method - Check whether EAP method is allowed
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @vendor: Vendor-Id for expanded types or 0 = IETF for legacy types
+ * @method: EAP type
+ * Returns: 1 = allowed EAP method, 0 = not allowed
+ */
+int eap_allowed_method(struct eap_sm *sm, int vendor, u32 method)
+{
+	struct eap_peer_config *config = eap_get_config(sm);
+	int i;
+	struct eap_method_type *m;
+
+	if (config == NULL || config->eap_methods == NULL)
+		return 1;
+
+	m = config->eap_methods;
+	for (i = 0; m[i].vendor != EAP_VENDOR_IETF ||
+		     m[i].method != EAP_TYPE_NONE; i++) {
+		if (m[i].vendor == vendor && m[i].method == method)
+			return 1;
+	}
+	return 0;
+}
+
+
+/*
+ * This state initializes state machine variables when the machine is
+ * activated (portEnabled = TRUE). This is also used when re-starting
+ * authentication (eapRestart == TRUE).
+ */
+SM_STATE(EAP, INITIALIZE)
+{
+	SM_ENTRY(EAP, INITIALIZE);
+	if (sm->fast_reauth && sm->m && sm->m->has_reauth_data &&
+	    sm->m->has_reauth_data(sm, sm->eap_method_priv) &&
+	    !sm->prev_failure) {
+		wpa_printf(MSG_DEBUG, "EAP: maintaining EAP method data for "
+			   "fast reauthentication");
+		sm->m->deinit_for_reauth(sm, sm->eap_method_priv);
+	} else {
+		eap_deinit_prev_method(sm, "INITIALIZE");
+	}
+	sm->selectedMethod = EAP_TYPE_NONE;
+	sm->methodState = METHOD_NONE;
+	sm->allowNotifications = TRUE;
+	sm->decision = DECISION_FAIL;
+	eapol_set_int(sm, EAPOL_idleWhile, sm->ClientTimeout);
+	eapol_set_bool(sm, EAPOL_eapSuccess, FALSE);
+	eapol_set_bool(sm, EAPOL_eapFail, FALSE);
+	os_free(sm->eapKeyData);
+	sm->eapKeyData = NULL;
+	sm->eapKeyAvailable = FALSE;
+	eapol_set_bool(sm, EAPOL_eapRestart, FALSE);
+	sm->lastId = -1; /* new session - make sure this does not match with
+			  * the first EAP-Packet */
+	/*
+	 * RFC 4137 does not reset eapResp and eapNoResp here. However, this
+	 * seemed to be able to trigger cases where both were set and if EAPOL
+	 * state machine uses eapNoResp first, it may end up not sending a real
+	 * reply correctly. This occurred when the workaround in FAIL state set
+	 * eapNoResp = TRUE.. Maybe that workaround needs to be fixed to do
+	 * something else(?)
+	 */
+	eapol_set_bool(sm, EAPOL_eapResp, FALSE);
+	eapol_set_bool(sm, EAPOL_eapNoResp, FALSE);
+	sm->num_rounds = 0;
+	sm->prev_failure = 0;
+}
+
+
+/*
+ * This state is reached whenever service from the lower layer is interrupted
+ * or unavailable (portEnabled == FALSE). Immediate transition to INITIALIZE
+ * occurs when the port becomes enabled.
+ */
+SM_STATE(EAP, DISABLED)
+{
+	SM_ENTRY(EAP, DISABLED);
+	sm->num_rounds = 0;
+}
+
+
+/*
+ * The state machine spends most of its time here, waiting for something to
+ * happen. This state is entered unconditionally from INITIALIZE, DISCARD, and
+ * SEND_RESPONSE states.
+ */
+SM_STATE(EAP, IDLE)
+{
+	SM_ENTRY(EAP, IDLE);
+}
+
+
+/*
+ * This state is entered when an EAP packet is received (eapReq == TRUE) to
+ * parse the packet header.
+ */
+SM_STATE(EAP, RECEIVED)
+{
+	const struct wpabuf *eapReqData;
+
+	SM_ENTRY(EAP, RECEIVED);
+	eapReqData = eapol_get_eapReqData(sm);
+	/* parse rxReq, rxSuccess, rxFailure, reqId, reqMethod */
+	eap_sm_parseEapReq(sm, eapReqData);
+	sm->num_rounds++;
+}
+
+
+/*
+ * This state is entered when a request for a new type comes in. Either the
+ * correct method is started, or a Nak response is built.
+ */
+SM_STATE(EAP, GET_METHOD)
+{
+	int reinit;
+	EapType method;
+
+	SM_ENTRY(EAP, GET_METHOD);
+
+	if (sm->reqMethod == EAP_TYPE_EXPANDED)
+		method = sm->reqVendorMethod;
+	else
+		method = sm->reqMethod;
+
+	if (!eap_sm_allowMethod(sm, sm->reqVendor, method)) {
+		wpa_printf(MSG_DEBUG, "EAP: vendor %u method %u not allowed",
+			   sm->reqVendor, method);
+		wpa_msg(sm->msg_ctx, MSG_INFO, WPA_EVENT_EAP_PROPOSED_METHOD
+			"vendor=%u method=%u -> NAK",
+			sm->reqVendor, method);
+		goto nak;
+	}
+
+	wpa_msg(sm->msg_ctx, MSG_INFO, WPA_EVENT_EAP_PROPOSED_METHOD
+		"vendor=%u method=%u", sm->reqVendor, method);
+
+	/*
+	 * RFC 4137 does not define specific operation for fast
+	 * re-authentication (session resumption). The design here is to allow
+	 * the previously used method data to be maintained for
+	 * re-authentication if the method support session resumption.
+	 * Otherwise, the previously used method data is freed and a new method
+	 * is allocated here.
+	 */
+	if (sm->fast_reauth &&
+	    sm->m && sm->m->vendor == sm->reqVendor &&
+	    sm->m->method == method &&
+	    sm->m->has_reauth_data &&
+	    sm->m->has_reauth_data(sm, sm->eap_method_priv)) {
+		wpa_printf(MSG_DEBUG, "EAP: Using previous method data"
+			   " for fast re-authentication");
+		reinit = 1;
+	} else {
+		eap_deinit_prev_method(sm, "GET_METHOD");
+		reinit = 0;
+	}
+
+	sm->selectedMethod = sm->reqMethod;
+	if (sm->m == NULL)
+		sm->m = eap_peer_get_eap_method(sm->reqVendor, method);
+	if (!sm->m) {
+		wpa_printf(MSG_DEBUG, "EAP: Could not find selected method: "
+			   "vendor %d method %d",
+			   sm->reqVendor, method);
+		goto nak;
+	}
+
+	sm->ClientTimeout = EAP_CLIENT_TIMEOUT_DEFAULT;
+
+	wpa_printf(MSG_DEBUG, "EAP: Initialize selected EAP method: "
+		   "vendor %u method %u (%s)",
+		   sm->reqVendor, method, sm->m->name);
+	if (reinit)
+		sm->eap_method_priv = sm->m->init_for_reauth(
+			sm, sm->eap_method_priv);
+	else
+		sm->eap_method_priv = sm->m->init(sm);
+
+	if (sm->eap_method_priv == NULL) {
+		struct eap_peer_config *config = eap_get_config(sm);
+		wpa_msg(sm->msg_ctx, MSG_INFO,
+			"EAP: Failed to initialize EAP method: vendor %u "
+			"method %u (%s)",
+			sm->reqVendor, method, sm->m->name);
+		sm->m = NULL;
+		sm->methodState = METHOD_NONE;
+		sm->selectedMethod = EAP_TYPE_NONE;
+		if (sm->reqMethod == EAP_TYPE_TLS && config &&
+		    (config->pending_req_pin ||
+		     config->pending_req_passphrase)) {
+			/*
+			 * Return without generating Nak in order to allow
+			 * entering of PIN code or passphrase to retry the
+			 * current EAP packet.
+			 */
+			wpa_printf(MSG_DEBUG, "EAP: Pending PIN/passphrase "
+				   "request - skip Nak");
+			return;
+		}
+
+		goto nak;
+	}
+
+	sm->methodState = METHOD_INIT;
+	wpa_msg(sm->msg_ctx, MSG_INFO, WPA_EVENT_EAP_METHOD
+		"EAP vendor %u method %u (%s) selected",
+		sm->reqVendor, method, sm->m->name);
+	return;
+
+nak:
+	wpabuf_free(sm->eapRespData);
+	sm->eapRespData = NULL;
+	sm->eapRespData = eap_sm_buildNak(sm, sm->reqId);
+}
+
+
+/*
+ * The method processing happens here. The request from the authenticator is
+ * processed, and an appropriate response packet is built.
+ */
+SM_STATE(EAP, METHOD)
+{
+	struct wpabuf *eapReqData;
+	struct eap_method_ret ret;
+
+	SM_ENTRY(EAP, METHOD);
+	if (sm->m == NULL) {
+		wpa_printf(MSG_WARNING, "EAP::METHOD - method not selected");
+		return;
+	}
+
+	eapReqData = eapol_get_eapReqData(sm);
+
+	/*
+	 * Get ignore, methodState, decision, allowNotifications, and
+	 * eapRespData. RFC 4137 uses three separate method procedure (check,
+	 * process, and buildResp) in this state. These have been combined into
+	 * a single function call to m->process() in order to optimize EAP
+	 * method implementation interface a bit. These procedures are only
+	 * used from within this METHOD state, so there is no need to keep
+	 * these as separate C functions.
+	 *
+	 * The RFC 4137 procedures return values as follows:
+	 * ignore = m.check(eapReqData)
+	 * (methodState, decision, allowNotifications) = m.process(eapReqData)
+	 * eapRespData = m.buildResp(reqId)
+	 */
+	os_memset(&ret, 0, sizeof(ret));
+	ret.ignore = sm->ignore;
+	ret.methodState = sm->methodState;
+	ret.decision = sm->decision;
+	ret.allowNotifications = sm->allowNotifications;
+	wpabuf_free(sm->eapRespData);
+	sm->eapRespData = NULL;
+	sm->eapRespData = sm->m->process(sm, sm->eap_method_priv, &ret,
+					 eapReqData);
+	wpa_printf(MSG_DEBUG, "EAP: method process -> ignore=%s "
+		   "methodState=%s decision=%s",
+		   ret.ignore ? "TRUE" : "FALSE",
+		   eap_sm_method_state_txt(ret.methodState),
+		   eap_sm_decision_txt(ret.decision));
+
+	sm->ignore = ret.ignore;
+	if (sm->ignore)
+		return;
+	sm->methodState = ret.methodState;
+	sm->decision = ret.decision;
+	sm->allowNotifications = ret.allowNotifications;
+
+	if (sm->m->isKeyAvailable && sm->m->getKey &&
+	    sm->m->isKeyAvailable(sm, sm->eap_method_priv)) {
+		os_free(sm->eapKeyData);
+		sm->eapKeyData = sm->m->getKey(sm, sm->eap_method_priv,
+					       &sm->eapKeyDataLen);
+	}
+}
+
+
+/*
+ * This state signals the lower layer that a response packet is ready to be
+ * sent.
+ */
+SM_STATE(EAP, SEND_RESPONSE)
+{
+	SM_ENTRY(EAP, SEND_RESPONSE);
+	wpabuf_free(sm->lastRespData);
+	if (sm->eapRespData) {
+		if (sm->workaround)
+			os_memcpy(sm->last_md5, sm->req_md5, 16);
+		sm->lastId = sm->reqId;
+		sm->lastRespData = wpabuf_dup(sm->eapRespData);
+		eapol_set_bool(sm, EAPOL_eapResp, TRUE);
+	} else
+		sm->lastRespData = NULL;
+	eapol_set_bool(sm, EAPOL_eapReq, FALSE);
+	eapol_set_int(sm, EAPOL_idleWhile, sm->ClientTimeout);
+}
+
+
+/*
+ * This state signals the lower layer that the request was discarded, and no
+ * response packet will be sent at this time.
+ */
+SM_STATE(EAP, DISCARD)
+{
+	SM_ENTRY(EAP, DISCARD);
+	eapol_set_bool(sm, EAPOL_eapReq, FALSE);
+	eapol_set_bool(sm, EAPOL_eapNoResp, TRUE);
+}
+
+
+/*
+ * Handles requests for Identity method and builds a response.
+ */
+SM_STATE(EAP, IDENTITY)
+{
+	const struct wpabuf *eapReqData;
+
+	SM_ENTRY(EAP, IDENTITY);
+	eapReqData = eapol_get_eapReqData(sm);
+	eap_sm_processIdentity(sm, eapReqData);
+	wpabuf_free(sm->eapRespData);
+	sm->eapRespData = NULL;
+	sm->eapRespData = eap_sm_buildIdentity(sm, sm->reqId, 0);
+}
+
+
+/*
+ * Handles requests for Notification method and builds a response.
+ */
+SM_STATE(EAP, NOTIFICATION)
+{
+	const struct wpabuf *eapReqData;
+
+	SM_ENTRY(EAP, NOTIFICATION);
+	eapReqData = eapol_get_eapReqData(sm);
+	eap_sm_processNotify(sm, eapReqData);
+	wpabuf_free(sm->eapRespData);
+	sm->eapRespData = NULL;
+	sm->eapRespData = eap_sm_buildNotify(sm->reqId);
+}
+
+
+/*
+ * This state retransmits the previous response packet.
+ */
+SM_STATE(EAP, RETRANSMIT)
+{
+	SM_ENTRY(EAP, RETRANSMIT);
+	wpabuf_free(sm->eapRespData);
+	if (sm->lastRespData)
+		sm->eapRespData = wpabuf_dup(sm->lastRespData);
+	else
+		sm->eapRespData = NULL;
+}
+
+
+/*
+ * This state is entered in case of a successful completion of authentication
+ * and state machine waits here until port is disabled or EAP authentication is
+ * restarted.
+ */
+SM_STATE(EAP, SUCCESS)
+{
+	SM_ENTRY(EAP, SUCCESS);
+	if (sm->eapKeyData != NULL)
+		sm->eapKeyAvailable = TRUE;
+	eapol_set_bool(sm, EAPOL_eapSuccess, TRUE);
+
+	/*
+	 * RFC 4137 does not clear eapReq here, but this seems to be required
+	 * to avoid processing the same request twice when state machine is
+	 * initialized.
+	 */
+	eapol_set_bool(sm, EAPOL_eapReq, FALSE);
+
+	/*
+	 * RFC 4137 does not set eapNoResp here, but this seems to be required
+	 * to get EAPOL Supplicant backend state machine into SUCCESS state. In
+	 * addition, either eapResp or eapNoResp is required to be set after
+	 * processing the received EAP frame.
+	 */
+	eapol_set_bool(sm, EAPOL_eapNoResp, TRUE);
+
+	wpa_msg(sm->msg_ctx, MSG_INFO, WPA_EVENT_EAP_SUCCESS
+		"EAP authentication completed successfully");
+}
+
+
+/*
+ * This state is entered in case of a failure and state machine waits here
+ * until port is disabled or EAP authentication is restarted.
+ */
+SM_STATE(EAP, FAILURE)
+{
+	SM_ENTRY(EAP, FAILURE);
+	eapol_set_bool(sm, EAPOL_eapFail, TRUE);
+
+	/*
+	 * RFC 4137 does not clear eapReq here, but this seems to be required
+	 * to avoid processing the same request twice when state machine is
+	 * initialized.
+	 */
+	eapol_set_bool(sm, EAPOL_eapReq, FALSE);
+
+	/*
+	 * RFC 4137 does not set eapNoResp here. However, either eapResp or
+	 * eapNoResp is required to be set after processing the received EAP
+	 * frame.
+	 */
+	eapol_set_bool(sm, EAPOL_eapNoResp, TRUE);
+
+	wpa_msg(sm->msg_ctx, MSG_INFO, WPA_EVENT_EAP_FAILURE
+		"EAP authentication failed");
+
+	sm->prev_failure = 1;
+}
+
+
+static int eap_success_workaround(struct eap_sm *sm, int reqId, int lastId)
+{
+	/*
+	 * At least Microsoft IAS and Meetinghouse Aegis seem to be sending
+	 * EAP-Success/Failure with lastId + 1 even though RFC 3748 and
+	 * RFC 4137 require that reqId == lastId. In addition, it looks like
+	 * Ringmaster v2.1.2.0 would be using lastId + 2 in EAP-Success.
+	 *
+	 * Accept this kind of Id if EAP workarounds are enabled. These are
+	 * unauthenticated plaintext messages, so this should have minimal
+	 * security implications (bit easier to fake EAP-Success/Failure).
+	 */
+	if (sm->workaround && (reqId == ((lastId + 1) & 0xff) ||
+			       reqId == ((lastId + 2) & 0xff))) {
+		wpa_printf(MSG_DEBUG, "EAP: Workaround for unexpected "
+			   "identifier field in EAP Success: "
+			   "reqId=%d lastId=%d (these are supposed to be "
+			   "same)", reqId, lastId);
+		return 1;
+	}
+	wpa_printf(MSG_DEBUG, "EAP: EAP-Success Id mismatch - reqId=%d "
+		   "lastId=%d", reqId, lastId);
+	return 0;
+}
+
+
+/*
+ * RFC 4137 - Appendix A.1: EAP Peer State Machine - State transitions
+ */
+
+static void eap_peer_sm_step_idle(struct eap_sm *sm)
+{
+	/*
+	 * The first three transitions are from RFC 4137. The last two are
+	 * local additions to handle special cases with LEAP and PEAP server
+	 * not sending EAP-Success in some cases.
+	 */
+	if (eapol_get_bool(sm, EAPOL_eapReq))
+		SM_ENTER(EAP, RECEIVED);
+	else if ((eapol_get_bool(sm, EAPOL_altAccept) &&
+		  sm->decision != DECISION_FAIL) ||
+		 (eapol_get_int(sm, EAPOL_idleWhile) == 0 &&
+		  sm->decision == DECISION_UNCOND_SUCC))
+		SM_ENTER(EAP, SUCCESS);
+	else if (eapol_get_bool(sm, EAPOL_altReject) ||
+		 (eapol_get_int(sm, EAPOL_idleWhile) == 0 &&
+		  sm->decision != DECISION_UNCOND_SUCC) ||
+		 (eapol_get_bool(sm, EAPOL_altAccept) &&
+		  sm->methodState != METHOD_CONT &&
+		  sm->decision == DECISION_FAIL))
+		SM_ENTER(EAP, FAILURE);
+	else if (sm->selectedMethod == EAP_TYPE_LEAP &&
+		 sm->leap_done && sm->decision != DECISION_FAIL &&
+		 sm->methodState == METHOD_DONE)
+		SM_ENTER(EAP, SUCCESS);
+	else if (sm->selectedMethod == EAP_TYPE_PEAP &&
+		 sm->peap_done && sm->decision != DECISION_FAIL &&
+		 sm->methodState == METHOD_DONE)
+		SM_ENTER(EAP, SUCCESS);
+}
+
+
+static int eap_peer_req_is_duplicate(struct eap_sm *sm)
+{
+	int duplicate;
+
+	duplicate = (sm->reqId == sm->lastId) && sm->rxReq;
+	if (sm->workaround && duplicate &&
+	    os_memcmp(sm->req_md5, sm->last_md5, 16) != 0) {
+		/*
+		 * RFC 4137 uses (reqId == lastId) as the only verification for
+		 * duplicate EAP requests. However, this misses cases where the
+		 * AS is incorrectly using the same id again; and
+		 * unfortunately, such implementations exist. Use MD5 hash as
+		 * an extra verification for the packets being duplicate to
+		 * workaround these issues.
+		 */
+		wpa_printf(MSG_DEBUG, "EAP: AS used the same Id again, but "
+			   "EAP packets were not identical");
+		wpa_printf(MSG_DEBUG, "EAP: workaround - assume this is not a "
+			   "duplicate packet");
+		duplicate = 0;
+	}
+
+	return duplicate;
+}
+
+
+static void eap_peer_sm_step_received(struct eap_sm *sm)
+{
+	int duplicate = eap_peer_req_is_duplicate(sm);
+
+	/*
+	 * Two special cases below for LEAP are local additions to work around
+	 * odd LEAP behavior (EAP-Success in the middle of authentication and
+	 * then swapped roles). Other transitions are based on RFC 4137.
+	 */
+	if (sm->rxSuccess && sm->decision != DECISION_FAIL &&
+	    (sm->reqId == sm->lastId ||
+	     eap_success_workaround(sm, sm->reqId, sm->lastId)))
+		SM_ENTER(EAP, SUCCESS);
+	else if (sm->methodState != METHOD_CONT &&
+		 ((sm->rxFailure &&
+		   sm->decision != DECISION_UNCOND_SUCC) ||
+		  (sm->rxSuccess && sm->decision == DECISION_FAIL &&
+		   (sm->selectedMethod != EAP_TYPE_LEAP ||
+		    sm->methodState != METHOD_MAY_CONT))) &&
+		 (sm->reqId == sm->lastId ||
+		  eap_success_workaround(sm, sm->reqId, sm->lastId)))
+		SM_ENTER(EAP, FAILURE);
+	else if (sm->rxReq && duplicate)
+		SM_ENTER(EAP, RETRANSMIT);
+	else if (sm->rxReq && !duplicate &&
+		 sm->reqMethod == EAP_TYPE_NOTIFICATION &&
+		 sm->allowNotifications)
+		SM_ENTER(EAP, NOTIFICATION);
+	else if (sm->rxReq && !duplicate &&
+		 sm->selectedMethod == EAP_TYPE_NONE &&
+		 sm->reqMethod == EAP_TYPE_IDENTITY)
+		SM_ENTER(EAP, IDENTITY);
+	else if (sm->rxReq && !duplicate &&
+		 sm->selectedMethod == EAP_TYPE_NONE &&
+		 sm->reqMethod != EAP_TYPE_IDENTITY &&
+		 sm->reqMethod != EAP_TYPE_NOTIFICATION)
+		SM_ENTER(EAP, GET_METHOD);
+	else if (sm->rxReq && !duplicate &&
+		 sm->reqMethod == sm->selectedMethod &&
+		 sm->methodState != METHOD_DONE)
+		SM_ENTER(EAP, METHOD);
+	else if (sm->selectedMethod == EAP_TYPE_LEAP &&
+		 (sm->rxSuccess || sm->rxResp))
+		SM_ENTER(EAP, METHOD);
+	else
+		SM_ENTER(EAP, DISCARD);
+}
+
+
+static void eap_peer_sm_step_local(struct eap_sm *sm)
+{
+	switch (sm->EAP_state) {
+	case EAP_INITIALIZE:
+		SM_ENTER(EAP, IDLE);
+		break;
+	case EAP_DISABLED:
+		if (eapol_get_bool(sm, EAPOL_portEnabled) &&
+		    !sm->force_disabled)
+			SM_ENTER(EAP, INITIALIZE);
+		break;
+	case EAP_IDLE:
+		eap_peer_sm_step_idle(sm);
+		break;
+	case EAP_RECEIVED:
+		eap_peer_sm_step_received(sm);
+		break;
+	case EAP_GET_METHOD:
+		if (sm->selectedMethod == sm->reqMethod)
+			SM_ENTER(EAP, METHOD);
+		else
+			SM_ENTER(EAP, SEND_RESPONSE);
+		break;
+	case EAP_METHOD:
+		if (sm->ignore)
+			SM_ENTER(EAP, DISCARD);
+		else
+			SM_ENTER(EAP, SEND_RESPONSE);
+		break;
+	case EAP_SEND_RESPONSE:
+		SM_ENTER(EAP, IDLE);
+		break;
+	case EAP_DISCARD:
+		SM_ENTER(EAP, IDLE);
+		break;
+	case EAP_IDENTITY:
+		SM_ENTER(EAP, SEND_RESPONSE);
+		break;
+	case EAP_NOTIFICATION:
+		SM_ENTER(EAP, SEND_RESPONSE);
+		break;
+	case EAP_RETRANSMIT:
+		SM_ENTER(EAP, SEND_RESPONSE);
+		break;
+	case EAP_SUCCESS:
+		break;
+	case EAP_FAILURE:
+		break;
+	}
+}
+
+
+SM_STEP(EAP)
+{
+	/* Global transitions */
+	if (eapol_get_bool(sm, EAPOL_eapRestart) &&
+	    eapol_get_bool(sm, EAPOL_portEnabled))
+		SM_ENTER_GLOBAL(EAP, INITIALIZE);
+	else if (!eapol_get_bool(sm, EAPOL_portEnabled) || sm->force_disabled)
+		SM_ENTER_GLOBAL(EAP, DISABLED);
+	else if (sm->num_rounds > EAP_MAX_AUTH_ROUNDS) {
+		/* RFC 4137 does not place any limit on number of EAP messages
+		 * in an authentication session. However, some error cases have
+		 * ended up in a state were EAP messages were sent between the
+		 * peer and server in a loop (e.g., TLS ACK frame in both
+		 * direction). Since this is quite undesired outcome, limit the
+		 * total number of EAP round-trips and abort authentication if
+		 * this limit is exceeded.
+		 */
+		if (sm->num_rounds == EAP_MAX_AUTH_ROUNDS + 1) {
+			wpa_msg(sm->msg_ctx, MSG_INFO, "EAP: more than %d "
+				"authentication rounds - abort",
+				EAP_MAX_AUTH_ROUNDS);
+			sm->num_rounds++;
+			SM_ENTER_GLOBAL(EAP, FAILURE);
+		}
+	} else {
+		/* Local transitions */
+		eap_peer_sm_step_local(sm);
+	}
+}
+
+
+static Boolean eap_sm_allowMethod(struct eap_sm *sm, int vendor,
+				  EapType method)
+{
+	if (!eap_allowed_method(sm, vendor, method)) {
+		wpa_printf(MSG_DEBUG, "EAP: configuration does not allow: "
+			   "vendor %u method %u", vendor, method);
+		return FALSE;
+	}
+	if (eap_peer_get_eap_method(vendor, method))
+		return TRUE;
+	wpa_printf(MSG_DEBUG, "EAP: not included in build: "
+		   "vendor %u method %u", vendor, method);
+	return FALSE;
+}
+
+
+static struct wpabuf * eap_sm_build_expanded_nak(
+	struct eap_sm *sm, int id, const struct eap_method *methods,
+	size_t count)
+{
+	struct wpabuf *resp;
+	int found = 0;
+	const struct eap_method *m;
+
+	wpa_printf(MSG_DEBUG, "EAP: Building expanded EAP-Nak");
+
+	/* RFC 3748 - 5.3.2: Expanded Nak */
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_EXPANDED,
+			     8 + 8 * (count + 1), EAP_CODE_RESPONSE, id);
+	if (resp == NULL)
+		return NULL;
+
+	wpabuf_put_be24(resp, EAP_VENDOR_IETF);
+	wpabuf_put_be32(resp, EAP_TYPE_NAK);
+
+	for (m = methods; m; m = m->next) {
+		if (sm->reqVendor == m->vendor &&
+		    sm->reqVendorMethod == m->method)
+			continue; /* do not allow the current method again */
+		if (eap_allowed_method(sm, m->vendor, m->method)) {
+			wpa_printf(MSG_DEBUG, "EAP: allowed type: "
+				   "vendor=%u method=%u",
+				   m->vendor, m->method);
+			wpabuf_put_u8(resp, EAP_TYPE_EXPANDED);
+			wpabuf_put_be24(resp, m->vendor);
+			wpabuf_put_be32(resp, m->method);
+
+			found++;
+		}
+	}
+	if (!found) {
+		wpa_printf(MSG_DEBUG, "EAP: no more allowed methods");
+		wpabuf_put_u8(resp, EAP_TYPE_EXPANDED);
+		wpabuf_put_be24(resp, EAP_VENDOR_IETF);
+		wpabuf_put_be32(resp, EAP_TYPE_NONE);
+	}
+
+	eap_update_len(resp);
+
+	return resp;
+}
+
+
+static struct wpabuf * eap_sm_buildNak(struct eap_sm *sm, int id)
+{
+	struct wpabuf *resp;
+	u8 *start;
+	int found = 0, expanded_found = 0;
+	size_t count;
+	const struct eap_method *methods, *m;
+
+	wpa_printf(MSG_DEBUG, "EAP: Building EAP-Nak (requested type %u "
+		   "vendor=%u method=%u not allowed)", sm->reqMethod,
+		   sm->reqVendor, sm->reqVendorMethod);
+	methods = eap_peer_get_methods(&count);
+	if (methods == NULL)
+		return NULL;
+	if (sm->reqMethod == EAP_TYPE_EXPANDED)
+		return eap_sm_build_expanded_nak(sm, id, methods, count);
+
+	/* RFC 3748 - 5.3.1: Legacy Nak */
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_NAK,
+			     sizeof(struct eap_hdr) + 1 + count + 1,
+			     EAP_CODE_RESPONSE, id);
+	if (resp == NULL)
+		return NULL;
+
+	start = wpabuf_put(resp, 0);
+	for (m = methods; m; m = m->next) {
+		if (m->vendor == EAP_VENDOR_IETF && m->method == sm->reqMethod)
+			continue; /* do not allow the current method again */
+		if (eap_allowed_method(sm, m->vendor, m->method)) {
+			if (m->vendor != EAP_VENDOR_IETF) {
+				if (expanded_found)
+					continue;
+				expanded_found = 1;
+				wpabuf_put_u8(resp, EAP_TYPE_EXPANDED);
+			} else
+				wpabuf_put_u8(resp, m->method);
+			found++;
+		}
+	}
+	if (!found)
+		wpabuf_put_u8(resp, EAP_TYPE_NONE);
+	wpa_hexdump(MSG_DEBUG, "EAP: allowed methods", start, found);
+
+	eap_update_len(resp);
+
+	return resp;
+}
+
+
+static void eap_sm_processIdentity(struct eap_sm *sm, const struct wpabuf *req)
+{
+	const struct eap_hdr *hdr = wpabuf_head(req);
+	const u8 *pos = (const u8 *) (hdr + 1);
+	pos++;
+
+	wpa_msg(sm->msg_ctx, MSG_INFO, WPA_EVENT_EAP_STARTED
+		"EAP authentication started");
+
+	/*
+	 * RFC 3748 - 5.1: Identity
+	 * Data field may contain a displayable message in UTF-8. If this
+	 * includes NUL-character, only the data before that should be
+	 * displayed. Some EAP implementasitons may piggy-back additional
+	 * options after the NUL.
+	 */
+	/* TODO: could save displayable message so that it can be shown to the
+	 * user in case of interaction is required */
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP: EAP-Request Identity data",
+			  pos, be_to_host16(hdr->length) - 5);
+}
+
+
+#ifdef PCSC_FUNCS
+static int eap_sm_imsi_identity(struct eap_sm *sm,
+				struct eap_peer_config *conf)
+{
+	int aka = 0;
+	char imsi[100];
+	size_t imsi_len;
+	struct eap_method_type *m = conf->eap_methods;
+	int i;
+
+	imsi_len = sizeof(imsi);
+	if (scard_get_imsi(sm->scard_ctx, imsi, &imsi_len)) {
+		wpa_printf(MSG_WARNING, "Failed to get IMSI from SIM");
+		return -1;
+	}
+
+	wpa_hexdump_ascii(MSG_DEBUG, "IMSI", (u8 *) imsi, imsi_len);
+
+	for (i = 0; m && (m[i].vendor != EAP_VENDOR_IETF ||
+			  m[i].method != EAP_TYPE_NONE); i++) {
+		if (m[i].vendor == EAP_VENDOR_IETF &&
+		    m[i].method == EAP_TYPE_AKA) {
+			aka = 1;
+			break;
+		}
+	}
+
+	os_free(conf->identity);
+	conf->identity = os_malloc(1 + imsi_len);
+	if (conf->identity == NULL) {
+		wpa_printf(MSG_WARNING, "Failed to allocate buffer for "
+			   "IMSI-based identity");
+		return -1;
+	}
+
+	conf->identity[0] = aka ? '0' : '1';
+	os_memcpy(conf->identity + 1, imsi, imsi_len);
+	conf->identity_len = 1 + imsi_len;
+
+	return 0;
+}
+#endif /* PCSC_FUNCS */
+
+
+static int eap_sm_set_scard_pin(struct eap_sm *sm,
+				struct eap_peer_config *conf)
+{
+#ifdef PCSC_FUNCS
+	if (scard_set_pin(sm->scard_ctx, conf->pin)) {
+		/*
+		 * Make sure the same PIN is not tried again in order to avoid
+		 * blocking SIM.
+		 */
+		os_free(conf->pin);
+		conf->pin = NULL;
+
+		wpa_printf(MSG_WARNING, "PIN validation failed");
+		eap_sm_request_pin(sm);
+		return -1;
+	}
+	return 0;
+#else /* PCSC_FUNCS */
+	return -1;
+#endif /* PCSC_FUNCS */
+}
+
+static int eap_sm_get_scard_identity(struct eap_sm *sm,
+				     struct eap_peer_config *conf)
+{
+#ifdef PCSC_FUNCS
+	if (eap_sm_set_scard_pin(sm, conf))
+		return -1;
+
+	return eap_sm_imsi_identity(sm, conf);
+#else /* PCSC_FUNCS */
+	return -1;
+#endif /* PCSC_FUNCS */
+}
+
+
+/**
+ * eap_sm_buildIdentity - Build EAP-Identity/Response for the current network
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @id: EAP identifier for the packet
+ * @encrypted: Whether the packet is for encrypted tunnel (EAP phase 2)
+ * Returns: Pointer to the allocated EAP-Identity/Response packet or %NULL on
+ * failure
+ *
+ * This function allocates and builds an EAP-Identity/Response packet for the
+ * current network. The caller is responsible for freeing the returned data.
+ */
+struct wpabuf * eap_sm_buildIdentity(struct eap_sm *sm, int id, int encrypted)
+{
+	struct eap_peer_config *config = eap_get_config(sm);
+	struct wpabuf *resp;
+	const u8 *identity;
+	size_t identity_len;
+
+	if (config == NULL) {
+		wpa_printf(MSG_WARNING, "EAP: buildIdentity: configuration "
+			   "was not available");
+		return NULL;
+	}
+
+	if (sm->m && sm->m->get_identity &&
+	    (identity = sm->m->get_identity(sm, sm->eap_method_priv,
+					    &identity_len)) != NULL) {
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP: using method re-auth "
+				  "identity", identity, identity_len);
+	} else if (!encrypted && config->anonymous_identity) {
+		identity = config->anonymous_identity;
+		identity_len = config->anonymous_identity_len;
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP: using anonymous identity",
+				  identity, identity_len);
+	} else {
+		identity = config->identity;
+		identity_len = config->identity_len;
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP: using real identity",
+				  identity, identity_len);
+	}
+
+	if (identity == NULL) {
+		wpa_printf(MSG_WARNING, "EAP: buildIdentity: identity "
+			   "configuration was not available");
+		if (config->pcsc) {
+			if (eap_sm_get_scard_identity(sm, config) < 0)
+				return NULL;
+			identity = config->identity;
+			identity_len = config->identity_len;
+			wpa_hexdump_ascii(MSG_DEBUG, "permanent identity from "
+					  "IMSI", identity, identity_len);
+		} else {
+			eap_sm_request_identity(sm);
+			return NULL;
+		}
+	} else if (config->pcsc) {
+		if (eap_sm_set_scard_pin(sm, config) < 0)
+			return NULL;
+	}
+
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_IDENTITY, identity_len,
+			     EAP_CODE_RESPONSE, id);
+	if (resp == NULL)
+		return NULL;
+
+	wpabuf_put_data(resp, identity, identity_len);
+
+	return resp;
+}
+
+
+static void eap_sm_processNotify(struct eap_sm *sm, const struct wpabuf *req)
+{
+	const u8 *pos;
+	char *msg;
+	size_t i, msg_len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_NOTIFICATION, req,
+			       &msg_len);
+	if (pos == NULL)
+		return;
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP: EAP-Request Notification data",
+			  pos, msg_len);
+
+	msg = os_malloc(msg_len + 1);
+	if (msg == NULL)
+		return;
+	for (i = 0; i < msg_len; i++)
+		msg[i] = isprint(pos[i]) ? (char) pos[i] : '_';
+	msg[msg_len] = '\0';
+	wpa_msg(sm->msg_ctx, MSG_INFO, "%s%s",
+		WPA_EVENT_EAP_NOTIFICATION, msg);
+	os_free(msg);
+}
+
+
+static struct wpabuf * eap_sm_buildNotify(int id)
+{
+	struct wpabuf *resp;
+
+	wpa_printf(MSG_DEBUG, "EAP: Generating EAP-Response Notification");
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_NOTIFICATION, 0,
+			     EAP_CODE_RESPONSE, id);
+	if (resp == NULL)
+		return NULL;
+
+	return resp;
+}
+
+
+static void eap_sm_parseEapReq(struct eap_sm *sm, const struct wpabuf *req)
+{
+	const struct eap_hdr *hdr;
+	size_t plen;
+	const u8 *pos;
+
+	sm->rxReq = sm->rxResp = sm->rxSuccess = sm->rxFailure = FALSE;
+	sm->reqId = 0;
+	sm->reqMethod = EAP_TYPE_NONE;
+	sm->reqVendor = EAP_VENDOR_IETF;
+	sm->reqVendorMethod = EAP_TYPE_NONE;
+
+	if (req == NULL || wpabuf_len(req) < sizeof(*hdr))
+		return;
+
+	hdr = wpabuf_head(req);
+	plen = be_to_host16(hdr->length);
+	if (plen > wpabuf_len(req)) {
+		wpa_printf(MSG_DEBUG, "EAP: Ignored truncated EAP-Packet "
+			   "(len=%lu plen=%lu)",
+			   (unsigned long) wpabuf_len(req),
+			   (unsigned long) plen);
+		return;
+	}
+
+	sm->reqId = hdr->identifier;
+
+	if (sm->workaround) {
+		const u8 *addr[1];
+		addr[0] = wpabuf_head(req);
+		md5_vector(1, addr, &plen, sm->req_md5);
+	}
+
+	switch (hdr->code) {
+	case EAP_CODE_REQUEST:
+		if (plen < sizeof(*hdr) + 1) {
+			wpa_printf(MSG_DEBUG, "EAP: Too short EAP-Request - "
+				   "no Type field");
+			return;
+		}
+		sm->rxReq = TRUE;
+		pos = (const u8 *) (hdr + 1);
+		sm->reqMethod = *pos++;
+		if (sm->reqMethod == EAP_TYPE_EXPANDED) {
+			if (plen < sizeof(*hdr) + 8) {
+				wpa_printf(MSG_DEBUG, "EAP: Ignored truncated "
+					   "expanded EAP-Packet (plen=%lu)",
+					   (unsigned long) plen);
+				return;
+			}
+			sm->reqVendor = WPA_GET_BE24(pos);
+			pos += 3;
+			sm->reqVendorMethod = WPA_GET_BE32(pos);
+		}
+		wpa_printf(MSG_DEBUG, "EAP: Received EAP-Request id=%d "
+			   "method=%u vendor=%u vendorMethod=%u",
+			   sm->reqId, sm->reqMethod, sm->reqVendor,
+			   sm->reqVendorMethod);
+		break;
+	case EAP_CODE_RESPONSE:
+		if (sm->selectedMethod == EAP_TYPE_LEAP) {
+			/*
+			 * LEAP differs from RFC 4137 by using reversed roles
+			 * for mutual authentication and because of this, we
+			 * need to accept EAP-Response frames if LEAP is used.
+			 */
+			if (plen < sizeof(*hdr) + 1) {
+				wpa_printf(MSG_DEBUG, "EAP: Too short "
+					   "EAP-Response - no Type field");
+				return;
+			}
+			sm->rxResp = TRUE;
+			pos = (const u8 *) (hdr + 1);
+			sm->reqMethod = *pos;
+			wpa_printf(MSG_DEBUG, "EAP: Received EAP-Response for "
+				   "LEAP method=%d id=%d",
+				   sm->reqMethod, sm->reqId);
+			break;
+		}
+		wpa_printf(MSG_DEBUG, "EAP: Ignored EAP-Response");
+		break;
+	case EAP_CODE_SUCCESS:
+		wpa_printf(MSG_DEBUG, "EAP: Received EAP-Success");
+		sm->rxSuccess = TRUE;
+		break;
+	case EAP_CODE_FAILURE:
+		wpa_printf(MSG_DEBUG, "EAP: Received EAP-Failure");
+		sm->rxFailure = TRUE;
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP: Ignored EAP-Packet with unknown "
+			   "code %d", hdr->code);
+		break;
+	}
+}
+
+
+static void eap_peer_sm_tls_event(void *ctx, enum tls_event ev,
+				  union tls_event_data *data)
+{
+	struct eap_sm *sm = ctx;
+	char *hash_hex = NULL;
+	char *cert_hex = NULL;
+
+	switch (ev) {
+	case TLS_CERT_CHAIN_FAILURE:
+		wpa_msg(sm->msg_ctx, MSG_INFO, WPA_EVENT_EAP_TLS_CERT_ERROR
+			"reason=%d depth=%d subject='%s' err='%s'",
+			data->cert_fail.reason,
+			data->cert_fail.depth,
+			data->cert_fail.subject,
+			data->cert_fail.reason_txt);
+		break;
+	case TLS_PEER_CERTIFICATE:
+		if (data->peer_cert.hash) {
+			size_t len = data->peer_cert.hash_len * 2 + 1;
+			hash_hex = os_malloc(len);
+			if (hash_hex) {
+				wpa_snprintf_hex(hash_hex, len,
+						 data->peer_cert.hash,
+						 data->peer_cert.hash_len);
+			}
+		}
+		wpa_msg(sm->msg_ctx, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
+			"depth=%d subject='%s'%s%s",
+			data->peer_cert.depth, data->peer_cert.subject,
+			hash_hex ? " hash=" : "", hash_hex ? hash_hex : "");
+
+		if (data->peer_cert.cert) {
+			size_t len = wpabuf_len(data->peer_cert.cert) * 2 + 1;
+			cert_hex = os_malloc(len);
+			if (cert_hex == NULL)
+				break;
+			wpa_snprintf_hex(cert_hex, len,
+					 wpabuf_head(data->peer_cert.cert),
+					 wpabuf_len(data->peer_cert.cert));
+			wpa_msg_ctrl(sm->msg_ctx, MSG_INFO,
+				     WPA_EVENT_EAP_PEER_CERT
+				     "depth=%d subject='%s' cert=%s",
+				     data->peer_cert.depth,
+				     data->peer_cert.subject,
+				     cert_hex);
+		}
+		break;
+	}
+
+	os_free(hash_hex);
+	os_free(cert_hex);
+}
+
+
+/**
+ * eap_peer_sm_init - Allocate and initialize EAP peer state machine
+ * @eapol_ctx: Context data to be used with eapol_cb calls
+ * @eapol_cb: Pointer to EAPOL callback functions
+ * @msg_ctx: Context data for wpa_msg() calls
+ * @conf: EAP configuration
+ * Returns: Pointer to the allocated EAP state machine or %NULL on failure
+ *
+ * This function allocates and initializes an EAP state machine. In addition,
+ * this initializes TLS library for the new EAP state machine. eapol_cb pointer
+ * will be in use until eap_peer_sm_deinit() is used to deinitialize this EAP
+ * state machine. Consequently, the caller must make sure that this data
+ * structure remains alive while the EAP state machine is active.
+ */
+struct eap_sm * eap_peer_sm_init(void *eapol_ctx,
+				 struct eapol_callbacks *eapol_cb,
+				 void *msg_ctx, struct eap_config *conf)
+{
+	struct eap_sm *sm;
+	struct tls_config tlsconf;
+
+	sm = os_zalloc(sizeof(*sm));
+	if (sm == NULL)
+		return NULL;
+	sm->eapol_ctx = eapol_ctx;
+	sm->eapol_cb = eapol_cb;
+	sm->msg_ctx = msg_ctx;
+	sm->ClientTimeout = EAP_CLIENT_TIMEOUT_DEFAULT;
+	sm->wps = conf->wps;
+
+	os_memset(&tlsconf, 0, sizeof(tlsconf));
+	tlsconf.opensc_engine_path = conf->opensc_engine_path;
+	tlsconf.pkcs11_engine_path = conf->pkcs11_engine_path;
+	tlsconf.pkcs11_module_path = conf->pkcs11_module_path;
+#ifdef CONFIG_FIPS
+	tlsconf.fips_mode = 1;
+#endif /* CONFIG_FIPS */
+	tlsconf.event_cb = eap_peer_sm_tls_event;
+	tlsconf.cb_ctx = sm;
+	sm->ssl_ctx = tls_init(&tlsconf);
+	if (sm->ssl_ctx == NULL) {
+		wpa_printf(MSG_WARNING, "SSL: Failed to initialize TLS "
+			   "context.");
+		os_free(sm);
+		return NULL;
+	}
+
+	return sm;
+}
+
+
+/**
+ * eap_peer_sm_deinit - Deinitialize and free an EAP peer state machine
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ *
+ * This function deinitializes EAP state machine and frees all allocated
+ * resources.
+ */
+void eap_peer_sm_deinit(struct eap_sm *sm)
+{
+	if (sm == NULL)
+		return;
+	eap_deinit_prev_method(sm, "EAP deinit");
+	eap_sm_abort(sm);
+	tls_deinit(sm->ssl_ctx);
+	os_free(sm);
+}
+
+
+/**
+ * eap_peer_sm_step - Step EAP peer state machine
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * Returns: 1 if EAP state was changed or 0 if not
+ *
+ * This function advances EAP state machine to a new state to match with the
+ * current variables. This should be called whenever variables used by the EAP
+ * state machine have changed.
+ */
+int eap_peer_sm_step(struct eap_sm *sm)
+{
+	int res = 0;
+	do {
+		sm->changed = FALSE;
+		SM_STEP_RUN(EAP);
+		if (sm->changed)
+			res = 1;
+	} while (sm->changed);
+	return res;
+}
+
+
+/**
+ * eap_sm_abort - Abort EAP authentication
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ *
+ * Release system resources that have been allocated for the authentication
+ * session without fully deinitializing the EAP state machine.
+ */
+void eap_sm_abort(struct eap_sm *sm)
+{
+	wpabuf_free(sm->lastRespData);
+	sm->lastRespData = NULL;
+	wpabuf_free(sm->eapRespData);
+	sm->eapRespData = NULL;
+	os_free(sm->eapKeyData);
+	sm->eapKeyData = NULL;
+
+	/* This is not clearly specified in the EAP statemachines draft, but
+	 * it seems necessary to make sure that some of the EAPOL variables get
+	 * cleared for the next authentication. */
+	eapol_set_bool(sm, EAPOL_eapSuccess, FALSE);
+}
+
+
+#ifdef CONFIG_CTRL_IFACE
+static const char * eap_sm_state_txt(int state)
+{
+	switch (state) {
+	case EAP_INITIALIZE:
+		return "INITIALIZE";
+	case EAP_DISABLED:
+		return "DISABLED";
+	case EAP_IDLE:
+		return "IDLE";
+	case EAP_RECEIVED:
+		return "RECEIVED";
+	case EAP_GET_METHOD:
+		return "GET_METHOD";
+	case EAP_METHOD:
+		return "METHOD";
+	case EAP_SEND_RESPONSE:
+		return "SEND_RESPONSE";
+	case EAP_DISCARD:
+		return "DISCARD";
+	case EAP_IDENTITY:
+		return "IDENTITY";
+	case EAP_NOTIFICATION:
+		return "NOTIFICATION";
+	case EAP_RETRANSMIT:
+		return "RETRANSMIT";
+	case EAP_SUCCESS:
+		return "SUCCESS";
+	case EAP_FAILURE:
+		return "FAILURE";
+	default:
+		return "UNKNOWN";
+	}
+}
+#endif /* CONFIG_CTRL_IFACE */
+
+
+#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
+static const char * eap_sm_method_state_txt(EapMethodState state)
+{
+	switch (state) {
+	case METHOD_NONE:
+		return "NONE";
+	case METHOD_INIT:
+		return "INIT";
+	case METHOD_CONT:
+		return "CONT";
+	case METHOD_MAY_CONT:
+		return "MAY_CONT";
+	case METHOD_DONE:
+		return "DONE";
+	default:
+		return "UNKNOWN";
+	}
+}
+
+
+static const char * eap_sm_decision_txt(EapDecision decision)
+{
+	switch (decision) {
+	case DECISION_FAIL:
+		return "FAIL";
+	case DECISION_COND_SUCC:
+		return "COND_SUCC";
+	case DECISION_UNCOND_SUCC:
+		return "UNCOND_SUCC";
+	default:
+		return "UNKNOWN";
+	}
+}
+#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
+
+
+#ifdef CONFIG_CTRL_IFACE
+
+/**
+ * eap_sm_get_status - Get EAP state machine status
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @buf: Buffer for status information
+ * @buflen: Maximum buffer length
+ * @verbose: Whether to include verbose status information
+ * Returns: Number of bytes written to buf.
+ *
+ * Query EAP state machine for status information. This function fills in a
+ * text area with current status information from the EAPOL state machine. If
+ * the buffer (buf) is not large enough, status information will be truncated
+ * to fit the buffer.
+ */
+int eap_sm_get_status(struct eap_sm *sm, char *buf, size_t buflen, int verbose)
+{
+	int len, ret;
+
+	if (sm == NULL)
+		return 0;
+
+	len = os_snprintf(buf, buflen,
+			  "EAP state=%s\n",
+			  eap_sm_state_txt(sm->EAP_state));
+	if (len < 0 || (size_t) len >= buflen)
+		return 0;
+
+	if (sm->selectedMethod != EAP_TYPE_NONE) {
+		const char *name;
+		if (sm->m) {
+			name = sm->m->name;
+		} else {
+			const struct eap_method *m =
+				eap_peer_get_eap_method(EAP_VENDOR_IETF,
+							sm->selectedMethod);
+			if (m)
+				name = m->name;
+			else
+				name = "?";
+		}
+		ret = os_snprintf(buf + len, buflen - len,
+				  "selectedMethod=%d (EAP-%s)\n",
+				  sm->selectedMethod, name);
+		if (ret < 0 || (size_t) ret >= buflen - len)
+			return len;
+		len += ret;
+
+		if (sm->m && sm->m->get_status) {
+			len += sm->m->get_status(sm, sm->eap_method_priv,
+						 buf + len, buflen - len,
+						 verbose);
+		}
+	}
+
+	if (verbose) {
+		ret = os_snprintf(buf + len, buflen - len,
+				  "reqMethod=%d\n"
+				  "methodState=%s\n"
+				  "decision=%s\n"
+				  "ClientTimeout=%d\n",
+				  sm->reqMethod,
+				  eap_sm_method_state_txt(sm->methodState),
+				  eap_sm_decision_txt(sm->decision),
+				  sm->ClientTimeout);
+		if (ret < 0 || (size_t) ret >= buflen - len)
+			return len;
+		len += ret;
+	}
+
+	return len;
+}
+#endif /* CONFIG_CTRL_IFACE */
+
+
+#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
+typedef enum {
+	TYPE_IDENTITY, TYPE_PASSWORD, TYPE_OTP, TYPE_PIN, TYPE_NEW_PASSWORD,
+	TYPE_PASSPHRASE
+} eap_ctrl_req_type;
+
+static void eap_sm_request(struct eap_sm *sm, eap_ctrl_req_type type,
+			   const char *msg, size_t msglen)
+{
+	struct eap_peer_config *config;
+	char *field, *txt, *tmp;
+
+	if (sm == NULL)
+		return;
+	config = eap_get_config(sm);
+	if (config == NULL)
+		return;
+
+	switch (type) {
+	case TYPE_IDENTITY:
+		field = "IDENTITY";
+		txt = "Identity";
+		config->pending_req_identity++;
+		break;
+	case TYPE_PASSWORD:
+		field = "PASSWORD";
+		txt = "Password";
+		config->pending_req_password++;
+		break;
+	case TYPE_NEW_PASSWORD:
+		field = "NEW_PASSWORD";
+		txt = "New Password";
+		config->pending_req_new_password++;
+		break;
+	case TYPE_PIN:
+		field = "PIN";
+		txt = "PIN";
+		config->pending_req_pin++;
+		break;
+	case TYPE_OTP:
+		field = "OTP";
+		if (msg) {
+			tmp = os_malloc(msglen + 3);
+			if (tmp == NULL)
+				return;
+			tmp[0] = '[';
+			os_memcpy(tmp + 1, msg, msglen);
+			tmp[msglen + 1] = ']';
+			tmp[msglen + 2] = '\0';
+			txt = tmp;
+			os_free(config->pending_req_otp);
+			config->pending_req_otp = tmp;
+			config->pending_req_otp_len = msglen + 3;
+		} else {
+			if (config->pending_req_otp == NULL)
+				return;
+			txt = config->pending_req_otp;
+		}
+		break;
+	case TYPE_PASSPHRASE:
+		field = "PASSPHRASE";
+		txt = "Private key passphrase";
+		config->pending_req_passphrase++;
+		break;
+	default:
+		return;
+	}
+
+	if (sm->eapol_cb->eap_param_needed)
+		sm->eapol_cb->eap_param_needed(sm->eapol_ctx, field, txt);
+}
+#else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
+#define eap_sm_request(sm, type, msg, msglen) do { } while (0)
+#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
+
+const char * eap_sm_get_method_name(struct eap_sm *sm)
+{
+	if (sm->m == NULL)
+		return "UNKNOWN";
+	return sm->m->name;
+}
+
+
+/**
+ * eap_sm_request_identity - Request identity from user (ctrl_iface)
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ *
+ * EAP methods can call this function to request identity information for the
+ * current network. This is normally called when the identity is not included
+ * in the network configuration. The request will be sent to monitor programs
+ * through the control interface.
+ */
+void eap_sm_request_identity(struct eap_sm *sm)
+{
+	eap_sm_request(sm, TYPE_IDENTITY, NULL, 0);
+}
+
+
+/**
+ * eap_sm_request_password - Request password from user (ctrl_iface)
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ *
+ * EAP methods can call this function to request password information for the
+ * current network. This is normally called when the password is not included
+ * in the network configuration. The request will be sent to monitor programs
+ * through the control interface.
+ */
+void eap_sm_request_password(struct eap_sm *sm)
+{
+	eap_sm_request(sm, TYPE_PASSWORD, NULL, 0);
+}
+
+
+/**
+ * eap_sm_request_new_password - Request new password from user (ctrl_iface)
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ *
+ * EAP methods can call this function to request new password information for
+ * the current network. This is normally called when the EAP method indicates
+ * that the current password has expired and password change is required. The
+ * request will be sent to monitor programs through the control interface.
+ */
+void eap_sm_request_new_password(struct eap_sm *sm)
+{
+	eap_sm_request(sm, TYPE_NEW_PASSWORD, NULL, 0);
+}
+
+
+/**
+ * eap_sm_request_pin - Request SIM or smart card PIN from user (ctrl_iface)
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ *
+ * EAP methods can call this function to request SIM or smart card PIN
+ * information for the current network. This is normally called when the PIN is
+ * not included in the network configuration. The request will be sent to
+ * monitor programs through the control interface.
+ */
+void eap_sm_request_pin(struct eap_sm *sm)
+{
+	eap_sm_request(sm, TYPE_PIN, NULL, 0);
+}
+
+
+/**
+ * eap_sm_request_otp - Request one time password from user (ctrl_iface)
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @msg: Message to be displayed to the user when asking for OTP
+ * @msg_len: Length of the user displayable message
+ *
+ * EAP methods can call this function to request open time password (OTP) for
+ * the current network. The request will be sent to monitor programs through
+ * the control interface.
+ */
+void eap_sm_request_otp(struct eap_sm *sm, const char *msg, size_t msg_len)
+{
+	eap_sm_request(sm, TYPE_OTP, msg, msg_len);
+}
+
+
+/**
+ * eap_sm_request_passphrase - Request passphrase from user (ctrl_iface)
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ *
+ * EAP methods can call this function to request passphrase for a private key
+ * for the current network. This is normally called when the passphrase is not
+ * included in the network configuration. The request will be sent to monitor
+ * programs through the control interface.
+ */
+void eap_sm_request_passphrase(struct eap_sm *sm)
+{
+	eap_sm_request(sm, TYPE_PASSPHRASE, NULL, 0);
+}
+
+
+/**
+ * eap_sm_notify_ctrl_attached - Notification of attached monitor
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ *
+ * Notify EAP state machines that a monitor was attached to the control
+ * interface to trigger re-sending of pending requests for user input.
+ */
+void eap_sm_notify_ctrl_attached(struct eap_sm *sm)
+{
+	struct eap_peer_config *config = eap_get_config(sm);
+
+	if (config == NULL)
+		return;
+
+	/* Re-send any pending requests for user data since a new control
+	 * interface was added. This handles cases where the EAP authentication
+	 * starts immediately after system startup when the user interface is
+	 * not yet running. */
+	if (config->pending_req_identity)
+		eap_sm_request_identity(sm);
+	if (config->pending_req_password)
+		eap_sm_request_password(sm);
+	if (config->pending_req_new_password)
+		eap_sm_request_new_password(sm);
+	if (config->pending_req_otp)
+		eap_sm_request_otp(sm, NULL, 0);
+	if (config->pending_req_pin)
+		eap_sm_request_pin(sm);
+	if (config->pending_req_passphrase)
+		eap_sm_request_passphrase(sm);
+}
+
+
+static int eap_allowed_phase2_type(int vendor, int type)
+{
+	if (vendor != EAP_VENDOR_IETF)
+		return 0;
+	return type != EAP_TYPE_PEAP && type != EAP_TYPE_TTLS &&
+		type != EAP_TYPE_FAST;
+}
+
+
+/**
+ * eap_get_phase2_type - Get EAP type for the given EAP phase 2 method name
+ * @name: EAP method name, e.g., MD5
+ * @vendor: Buffer for returning EAP Vendor-Id
+ * Returns: EAP method type or %EAP_TYPE_NONE if not found
+ *
+ * This function maps EAP type names into EAP type numbers that are allowed for
+ * Phase 2, i.e., for tunneled authentication. Phase 2 is used, e.g., with
+ * EAP-PEAP, EAP-TTLS, and EAP-FAST.
+ */
+u32 eap_get_phase2_type(const char *name, int *vendor)
+{
+	int v;
+	u8 type = eap_peer_get_type(name, &v);
+	if (eap_allowed_phase2_type(v, type)) {
+		*vendor = v;
+		return type;
+	}
+	*vendor = EAP_VENDOR_IETF;
+	return EAP_TYPE_NONE;
+}
+
+
+/**
+ * eap_get_phase2_types - Get list of allowed EAP phase 2 types
+ * @config: Pointer to a network configuration
+ * @count: Pointer to a variable to be filled with number of returned EAP types
+ * Returns: Pointer to allocated type list or %NULL on failure
+ *
+ * This function generates an array of allowed EAP phase 2 (tunneled) types for
+ * the given network configuration.
+ */
+struct eap_method_type * eap_get_phase2_types(struct eap_peer_config *config,
+					      size_t *count)
+{
+	struct eap_method_type *buf;
+	u32 method;
+	int vendor;
+	size_t mcount;
+	const struct eap_method *methods, *m;
+
+	methods = eap_peer_get_methods(&mcount);
+	if (methods == NULL)
+		return NULL;
+	*count = 0;
+	buf = os_malloc(mcount * sizeof(struct eap_method_type));
+	if (buf == NULL)
+		return NULL;
+
+	for (m = methods; m; m = m->next) {
+		vendor = m->vendor;
+		method = m->method;
+		if (eap_allowed_phase2_type(vendor, method)) {
+			if (vendor == EAP_VENDOR_IETF &&
+			    method == EAP_TYPE_TLS && config &&
+			    config->private_key2 == NULL)
+				continue;
+			buf[*count].vendor = vendor;
+			buf[*count].method = method;
+			(*count)++;
+		}
+	}
+
+	return buf;
+}
+
+
+/**
+ * eap_set_fast_reauth - Update fast_reauth setting
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @enabled: 1 = Fast reauthentication is enabled, 0 = Disabled
+ */
+void eap_set_fast_reauth(struct eap_sm *sm, int enabled)
+{
+	sm->fast_reauth = enabled;
+}
+
+
+/**
+ * eap_set_workaround - Update EAP workarounds setting
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @workaround: 1 = Enable EAP workarounds, 0 = Disable EAP workarounds
+ */
+void eap_set_workaround(struct eap_sm *sm, unsigned int workaround)
+{
+	sm->workaround = workaround;
+}
+
+
+/**
+ * eap_get_config - Get current network configuration
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * Returns: Pointer to the current network configuration or %NULL if not found
+ *
+ * EAP peer methods should avoid using this function if they can use other
+ * access functions, like eap_get_config_identity() and
+ * eap_get_config_password(), that do not require direct access to
+ * struct eap_peer_config.
+ */
+struct eap_peer_config * eap_get_config(struct eap_sm *sm)
+{
+	return sm->eapol_cb->get_config(sm->eapol_ctx);
+}
+
+
+/**
+ * eap_get_config_identity - Get identity from the network configuration
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @len: Buffer for the length of the identity
+ * Returns: Pointer to the identity or %NULL if not found
+ */
+const u8 * eap_get_config_identity(struct eap_sm *sm, size_t *len)
+{
+	struct eap_peer_config *config = eap_get_config(sm);
+	if (config == NULL)
+		return NULL;
+	*len = config->identity_len;
+	return config->identity;
+}
+
+
+/**
+ * eap_get_config_password - Get password from the network configuration
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @len: Buffer for the length of the password
+ * Returns: Pointer to the password or %NULL if not found
+ */
+const u8 * eap_get_config_password(struct eap_sm *sm, size_t *len)
+{
+	struct eap_peer_config *config = eap_get_config(sm);
+	if (config == NULL)
+		return NULL;
+	*len = config->password_len;
+	return config->password;
+}
+
+
+/**
+ * eap_get_config_password2 - Get password from the network configuration
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @len: Buffer for the length of the password
+ * @hash: Buffer for returning whether the password is stored as a
+ * NtPasswordHash instead of plaintext password; can be %NULL if this
+ * information is not needed
+ * Returns: Pointer to the password or %NULL if not found
+ */
+const u8 * eap_get_config_password2(struct eap_sm *sm, size_t *len, int *hash)
+{
+	struct eap_peer_config *config = eap_get_config(sm);
+	if (config == NULL)
+		return NULL;
+	*len = config->password_len;
+	if (hash)
+		*hash = !!(config->flags & EAP_CONFIG_FLAGS_PASSWORD_NTHASH);
+	return config->password;
+}
+
+
+/**
+ * eap_get_config_new_password - Get new password from network configuration
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @len: Buffer for the length of the new password
+ * Returns: Pointer to the new password or %NULL if not found
+ */
+const u8 * eap_get_config_new_password(struct eap_sm *sm, size_t *len)
+{
+	struct eap_peer_config *config = eap_get_config(sm);
+	if (config == NULL)
+		return NULL;
+	*len = config->new_password_len;
+	return config->new_password;
+}
+
+
+/**
+ * eap_get_config_otp - Get one-time password from the network configuration
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @len: Buffer for the length of the one-time password
+ * Returns: Pointer to the one-time password or %NULL if not found
+ */
+const u8 * eap_get_config_otp(struct eap_sm *sm, size_t *len)
+{
+	struct eap_peer_config *config = eap_get_config(sm);
+	if (config == NULL)
+		return NULL;
+	*len = config->otp_len;
+	return config->otp;
+}
+
+
+/**
+ * eap_clear_config_otp - Clear used one-time password
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ *
+ * This function clears a used one-time password (OTP) from the current network
+ * configuration. This should be called when the OTP has been used and is not
+ * needed anymore.
+ */
+void eap_clear_config_otp(struct eap_sm *sm)
+{
+	struct eap_peer_config *config = eap_get_config(sm);
+	if (config == NULL)
+		return;
+	os_memset(config->otp, 0, config->otp_len);
+	os_free(config->otp);
+	config->otp = NULL;
+	config->otp_len = 0;
+}
+
+
+/**
+ * eap_get_config_phase1 - Get phase1 data from the network configuration
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * Returns: Pointer to the phase1 data or %NULL if not found
+ */
+const char * eap_get_config_phase1(struct eap_sm *sm)
+{
+	struct eap_peer_config *config = eap_get_config(sm);
+	if (config == NULL)
+		return NULL;
+	return config->phase1;
+}
+
+
+/**
+ * eap_get_config_phase2 - Get phase2 data from the network configuration
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * Returns: Pointer to the phase1 data or %NULL if not found
+ */
+const char * eap_get_config_phase2(struct eap_sm *sm)
+{
+	struct eap_peer_config *config = eap_get_config(sm);
+	if (config == NULL)
+		return NULL;
+	return config->phase2;
+}
+
+
+int eap_get_config_fragment_size(struct eap_sm *sm)
+{
+	struct eap_peer_config *config = eap_get_config(sm);
+	if (config == NULL)
+		return -1;
+	return config->fragment_size;
+}
+
+
+/**
+ * eap_key_available - Get key availability (eapKeyAvailable variable)
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * Returns: 1 if EAP keying material is available, 0 if not
+ */
+int eap_key_available(struct eap_sm *sm)
+{
+	return sm ? sm->eapKeyAvailable : 0;
+}
+
+
+/**
+ * eap_notify_success - Notify EAP state machine about external success trigger
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ *
+ * This function is called when external event, e.g., successful completion of
+ * WPA-PSK key handshake, is indicating that EAP state machine should move to
+ * success state. This is mainly used with security modes that do not use EAP
+ * state machine (e.g., WPA-PSK).
+ */
+void eap_notify_success(struct eap_sm *sm)
+{
+	if (sm) {
+		sm->decision = DECISION_COND_SUCC;
+		sm->EAP_state = EAP_SUCCESS;
+	}
+}
+
+
+/**
+ * eap_notify_lower_layer_success - Notification of lower layer success
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ *
+ * Notify EAP state machines that a lower layer has detected a successful
+ * authentication. This is used to recover from dropped EAP-Success messages.
+ */
+void eap_notify_lower_layer_success(struct eap_sm *sm)
+{
+	if (sm == NULL)
+		return;
+
+	if (eapol_get_bool(sm, EAPOL_eapSuccess) ||
+	    sm->decision == DECISION_FAIL ||
+	    (sm->methodState != METHOD_MAY_CONT &&
+	     sm->methodState != METHOD_DONE))
+		return;
+
+	if (sm->eapKeyData != NULL)
+		sm->eapKeyAvailable = TRUE;
+	eapol_set_bool(sm, EAPOL_eapSuccess, TRUE);
+	wpa_msg(sm->msg_ctx, MSG_INFO, WPA_EVENT_EAP_SUCCESS
+		"EAP authentication completed successfully (based on lower "
+		"layer success)");
+}
+
+
+/**
+ * eap_get_eapKeyData - Get master session key (MSK) from EAP state machine
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @len: Pointer to variable that will be set to number of bytes in the key
+ * Returns: Pointer to the EAP keying data or %NULL on failure
+ *
+ * Fetch EAP keying material (MSK, eapKeyData) from the EAP state machine. The
+ * key is available only after a successful authentication. EAP state machine
+ * continues to manage the key data and the caller must not change or free the
+ * returned data.
+ */
+const u8 * eap_get_eapKeyData(struct eap_sm *sm, size_t *len)
+{
+	if (sm == NULL || sm->eapKeyData == NULL) {
+		*len = 0;
+		return NULL;
+	}
+
+	*len = sm->eapKeyDataLen;
+	return sm->eapKeyData;
+}
+
+
+/**
+ * eap_get_eapKeyData - Get EAP response data
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * Returns: Pointer to the EAP response (eapRespData) or %NULL on failure
+ *
+ * Fetch EAP response (eapRespData) from the EAP state machine. This data is
+ * available when EAP state machine has processed an incoming EAP request. The
+ * EAP state machine does not maintain a reference to the response after this
+ * function is called and the caller is responsible for freeing the data.
+ */
+struct wpabuf * eap_get_eapRespData(struct eap_sm *sm)
+{
+	struct wpabuf *resp;
+
+	if (sm == NULL || sm->eapRespData == NULL)
+		return NULL;
+
+	resp = sm->eapRespData;
+	sm->eapRespData = NULL;
+
+	return resp;
+}
+
+
+/**
+ * eap_sm_register_scard_ctx - Notification of smart card context
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @ctx: Context data for smart card operations
+ *
+ * Notify EAP state machines of context data for smart card operations. This
+ * context data will be used as a parameter for scard_*() functions.
+ */
+void eap_register_scard_ctx(struct eap_sm *sm, void *ctx)
+{
+	if (sm)
+		sm->scard_ctx = ctx;
+}
+
+
+/**
+ * eap_set_config_blob - Set or add a named configuration blob
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @blob: New value for the blob
+ *
+ * Adds a new configuration blob or replaces the current value of an existing
+ * blob.
+ */
+void eap_set_config_blob(struct eap_sm *sm, struct wpa_config_blob *blob)
+{
+#ifndef CONFIG_NO_CONFIG_BLOBS
+	sm->eapol_cb->set_config_blob(sm->eapol_ctx, blob);
+#endif /* CONFIG_NO_CONFIG_BLOBS */
+}
+
+
+/**
+ * eap_get_config_blob - Get a named configuration blob
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @name: Name of the blob
+ * Returns: Pointer to blob data or %NULL if not found
+ */
+const struct wpa_config_blob * eap_get_config_blob(struct eap_sm *sm,
+						   const char *name)
+{
+#ifndef CONFIG_NO_CONFIG_BLOBS
+	return sm->eapol_cb->get_config_blob(sm->eapol_ctx, name);
+#else /* CONFIG_NO_CONFIG_BLOBS */
+	return NULL;
+#endif /* CONFIG_NO_CONFIG_BLOBS */
+}
+
+
+/**
+ * eap_set_force_disabled - Set force_disabled flag
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @disabled: 1 = EAP disabled, 0 = EAP enabled
+ *
+ * This function is used to force EAP state machine to be disabled when it is
+ * not in use (e.g., with WPA-PSK or plaintext connections).
+ */
+void eap_set_force_disabled(struct eap_sm *sm, int disabled)
+{
+	sm->force_disabled = disabled;
+}
+
+
+ /**
+ * eap_notify_pending - Notify that EAP method is ready to re-process a request
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ *
+ * An EAP method can perform a pending operation (e.g., to get a response from
+ * an external process). Once the response is available, this function can be
+ * used to request EAPOL state machine to retry delivering the previously
+ * received (and still unanswered) EAP request to EAP state machine.
+ */
+void eap_notify_pending(struct eap_sm *sm)
+{
+	sm->eapol_cb->notify_pending(sm->eapol_ctx);
+}
+
+
+/**
+ * eap_invalidate_cached_session - Mark cached session data invalid
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ */
+void eap_invalidate_cached_session(struct eap_sm *sm)
+{
+	if (sm)
+		eap_deinit_prev_method(sm, "invalidate");
+}
+
+
+int eap_is_wps_pbc_enrollee(struct eap_peer_config *conf)
+{
+	if (conf->identity_len != WSC_ID_ENROLLEE_LEN ||
+	    os_memcmp(conf->identity, WSC_ID_ENROLLEE, WSC_ID_ENROLLEE_LEN))
+		return 0; /* Not a WPS Enrollee */
+
+	if (conf->phase1 == NULL || os_strstr(conf->phase1, "pbc=1") == NULL)
+		return 0; /* Not using PBC */
+
+	return 1;
+}
+
+
+int eap_is_wps_pin_enrollee(struct eap_peer_config *conf)
+{
+	if (conf->identity_len != WSC_ID_ENROLLEE_LEN ||
+	    os_memcmp(conf->identity, WSC_ID_ENROLLEE, WSC_ID_ENROLLEE_LEN))
+		return 0; /* Not a WPS Enrollee */
+
+	if (conf->phase1 == NULL || os_strstr(conf->phase1, "pin=") == NULL)
+		return 0; /* Not using PIN */
+
+	return 1;
+}
diff --git a/src/eap_peer/eap.h b/src/eap_peer/eap.h
new file mode 100644
index 0000000..3550909
--- /dev/null
+++ b/src/eap_peer/eap.h
@@ -0,0 +1,292 @@
+/*
+ * EAP peer state machine functions (RFC 4137)
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_H
+#define EAP_H
+
+#include "common/defs.h"
+#include "eap_common/eap_defs.h"
+#include "eap_peer/eap_methods.h"
+
+struct eap_sm;
+struct wpa_config_blob;
+struct wpabuf;
+
+struct eap_method_type {
+	int vendor;
+	u32 method;
+};
+
+#ifdef IEEE8021X_EAPOL
+
+/**
+ * enum eapol_bool_var - EAPOL boolean state variables for EAP state machine
+ *
+ * These variables are used in the interface between EAP peer state machine and
+ * lower layer. These are defined in RFC 4137, Sect. 4.1. Lower layer code is
+ * expected to maintain these variables and register a callback functions for
+ * EAP state machine to get and set the variables.
+ */
+enum eapol_bool_var {
+	/**
+	 * EAPOL_eapSuccess - EAP SUCCESS state reached
+	 *
+	 * EAP state machine reads and writes this value.
+	 */
+	EAPOL_eapSuccess,
+
+	/**
+	 * EAPOL_eapRestart - Lower layer request to restart authentication
+	 *
+	 * Set to TRUE in lower layer, FALSE in EAP state machine.
+	 */
+	EAPOL_eapRestart,
+
+	/**
+	 * EAPOL_eapFail - EAP FAILURE state reached
+	 *
+	 * EAP state machine writes this value.
+	 */
+	EAPOL_eapFail,
+
+	/**
+	 * EAPOL_eapResp - Response to send
+	 *
+	 * Set to TRUE in EAP state machine, FALSE in lower layer.
+	 */
+	EAPOL_eapResp,
+
+	/**
+	 * EAPOL_eapNoResp - Request has been process; no response to send
+	 *
+	 * Set to TRUE in EAP state machine, FALSE in lower layer.
+	 */
+	EAPOL_eapNoResp,
+
+	/**
+	 * EAPOL_eapReq - EAP request available from lower layer
+	 *
+	 * Set to TRUE in lower layer, FALSE in EAP state machine.
+	 */
+	EAPOL_eapReq,
+
+	/**
+	 * EAPOL_portEnabled - Lower layer is ready for communication
+	 *
+	 * EAP state machines reads this value.
+	 */
+	EAPOL_portEnabled,
+
+	/**
+	 * EAPOL_altAccept - Alternate indication of success (RFC3748)
+	 *
+	 * EAP state machines reads this value.
+	 */
+	EAPOL_altAccept,
+
+	/**
+	 * EAPOL_altReject - Alternate indication of failure (RFC3748)
+	 *
+	 * EAP state machines reads this value.
+	 */
+	EAPOL_altReject
+};
+
+/**
+ * enum eapol_int_var - EAPOL integer state variables for EAP state machine
+ *
+ * These variables are used in the interface between EAP peer state machine and
+ * lower layer. These are defined in RFC 4137, Sect. 4.1. Lower layer code is
+ * expected to maintain these variables and register a callback functions for
+ * EAP state machine to get and set the variables.
+ */
+enum eapol_int_var {
+	/**
+	 * EAPOL_idleWhile - Outside time for EAP peer timeout
+	 *
+	 * This integer variable is used to provide an outside timer that the
+	 * external (to EAP state machine) code must decrement by one every
+	 * second until the value reaches zero. This is used in the same way as
+	 * EAPOL state machine timers. EAP state machine reads and writes this
+	 * value.
+	 */
+	EAPOL_idleWhile
+};
+
+/**
+ * struct eapol_callbacks - Callback functions from EAP to lower layer
+ *
+ * This structure defines the callback functions that EAP state machine
+ * requires from the lower layer (usually EAPOL state machine) for updating
+ * state variables and requesting information. eapol_ctx from
+ * eap_peer_sm_init() call will be used as the ctx parameter for these
+ * callback functions.
+ */
+struct eapol_callbacks {
+	/**
+	 * get_config - Get pointer to the current network configuration
+	 * @ctx: eapol_ctx from eap_peer_sm_init() call
+	 */
+	struct eap_peer_config * (*get_config)(void *ctx);
+
+	/**
+	 * get_bool - Get a boolean EAPOL state variable
+	 * @variable: EAPOL boolean variable to get
+	 * Returns: Value of the EAPOL variable
+	 */
+	Boolean (*get_bool)(void *ctx, enum eapol_bool_var variable);
+
+	/**
+	 * set_bool - Set a boolean EAPOL state variable
+	 * @ctx: eapol_ctx from eap_peer_sm_init() call
+	 * @variable: EAPOL boolean variable to set
+	 * @value: Value for the EAPOL variable
+	 */
+	void (*set_bool)(void *ctx, enum eapol_bool_var variable,
+			 Boolean value);
+
+	/**
+	 * get_int - Get an integer EAPOL state variable
+	 * @ctx: eapol_ctx from eap_peer_sm_init() call
+	 * @variable: EAPOL integer variable to get
+	 * Returns: Value of the EAPOL variable
+	 */
+	unsigned int (*get_int)(void *ctx, enum eapol_int_var variable);
+
+	/**
+	 * set_int - Set an integer EAPOL state variable
+	 * @ctx: eapol_ctx from eap_peer_sm_init() call
+	 * @variable: EAPOL integer variable to set
+	 * @value: Value for the EAPOL variable
+	 */
+	void (*set_int)(void *ctx, enum eapol_int_var variable,
+			unsigned int value);
+
+	/**
+	 * get_eapReqData - Get EAP-Request data
+	 * @ctx: eapol_ctx from eap_peer_sm_init() call
+	 * @len: Pointer to variable that will be set to eapReqDataLen
+	 * Returns: Reference to eapReqData (EAP state machine will not free
+	 * this) or %NULL if eapReqData not available.
+	 */
+	struct wpabuf * (*get_eapReqData)(void *ctx);
+
+	/**
+	 * set_config_blob - Set named configuration blob
+	 * @ctx: eapol_ctx from eap_peer_sm_init() call
+	 * @blob: New value for the blob
+	 *
+	 * Adds a new configuration blob or replaces the current value of an
+	 * existing blob.
+	 */
+	void (*set_config_blob)(void *ctx, struct wpa_config_blob *blob);
+
+	/**
+	 * get_config_blob - Get a named configuration blob
+	 * @ctx: eapol_ctx from eap_peer_sm_init() call
+	 * @name: Name of the blob
+	 * Returns: Pointer to blob data or %NULL if not found
+	 */
+	const struct wpa_config_blob * (*get_config_blob)(void *ctx,
+							  const char *name);
+
+	/**
+	 * notify_pending - Notify that a pending request can be retried
+	 * @ctx: eapol_ctx from eap_peer_sm_init() call
+	 *
+	 * An EAP method can perform a pending operation (e.g., to get a
+	 * response from an external process). Once the response is available,
+	 * this callback function can be used to request EAPOL state machine to
+	 * retry delivering the previously received (and still unanswered) EAP
+	 * request to EAP state machine.
+	 */
+	void (*notify_pending)(void *ctx);
+
+	/**
+	 * eap_param_needed - Notify that EAP parameter is needed
+	 * @ctx: eapol_ctx from eap_peer_sm_init() call
+	 * @field: Field name (e.g., "IDENTITY")
+	 * @txt: User readable text describing the required parameter
+	 */
+	void (*eap_param_needed)(void *ctx, const char *field,
+				 const char *txt);
+};
+
+/**
+ * struct eap_config - Configuration for EAP state machine
+ */
+struct eap_config {
+	/**
+	 * opensc_engine_path - OpenSC engine for OpenSSL engine support
+	 *
+	 * Usually, path to engine_opensc.so.
+	 */
+	const char *opensc_engine_path;
+	/**
+	 * pkcs11_engine_path - PKCS#11 engine for OpenSSL engine support
+	 *
+	 * Usually, path to engine_pkcs11.so.
+	 */
+	const char *pkcs11_engine_path;
+	/**
+	 * pkcs11_module_path - OpenSC PKCS#11 module for OpenSSL engine
+	 *
+	 * Usually, path to opensc-pkcs11.so.
+	 */
+	const char *pkcs11_module_path;
+	/**
+	 * wps - WPS context data
+	 *
+	 * This is only used by EAP-WSC and can be left %NULL if not available.
+	 */
+	struct wps_context *wps;
+};
+
+struct eap_sm * eap_peer_sm_init(void *eapol_ctx,
+				 struct eapol_callbacks *eapol_cb,
+				 void *msg_ctx, struct eap_config *conf);
+void eap_peer_sm_deinit(struct eap_sm *sm);
+int eap_peer_sm_step(struct eap_sm *sm);
+void eap_sm_abort(struct eap_sm *sm);
+int eap_sm_get_status(struct eap_sm *sm, char *buf, size_t buflen,
+		      int verbose);
+const char * eap_sm_get_method_name(struct eap_sm *sm);
+struct wpabuf * eap_sm_buildIdentity(struct eap_sm *sm, int id, int encrypted);
+void eap_sm_request_identity(struct eap_sm *sm);
+void eap_sm_request_password(struct eap_sm *sm);
+void eap_sm_request_new_password(struct eap_sm *sm);
+void eap_sm_request_pin(struct eap_sm *sm);
+void eap_sm_request_otp(struct eap_sm *sm, const char *msg, size_t msg_len);
+void eap_sm_request_passphrase(struct eap_sm *sm);
+void eap_sm_notify_ctrl_attached(struct eap_sm *sm);
+u32 eap_get_phase2_type(const char *name, int *vendor);
+struct eap_method_type * eap_get_phase2_types(struct eap_peer_config *config,
+					      size_t *count);
+void eap_set_fast_reauth(struct eap_sm *sm, int enabled);
+void eap_set_workaround(struct eap_sm *sm, unsigned int workaround);
+void eap_set_force_disabled(struct eap_sm *sm, int disabled);
+int eap_key_available(struct eap_sm *sm);
+void eap_notify_success(struct eap_sm *sm);
+void eap_notify_lower_layer_success(struct eap_sm *sm);
+const u8 * eap_get_eapKeyData(struct eap_sm *sm, size_t *len);
+struct wpabuf * eap_get_eapRespData(struct eap_sm *sm);
+void eap_register_scard_ctx(struct eap_sm *sm, void *ctx);
+void eap_invalidate_cached_session(struct eap_sm *sm);
+
+int eap_is_wps_pbc_enrollee(struct eap_peer_config *conf);
+int eap_is_wps_pin_enrollee(struct eap_peer_config *conf);
+
+#endif /* IEEE8021X_EAPOL */
+
+#endif /* EAP_H */
diff --git a/src/eap_peer/eap_aka.c b/src/eap_peer/eap_aka.c
new file mode 100644
index 0000000..182f01a
--- /dev/null
+++ b/src/eap_peer/eap_aka.c
@@ -0,0 +1,1389 @@
+/*
+ * EAP peer method: EAP-AKA (RFC 4187) and EAP-AKA' (draft-arkko-eap-aka-kdf)
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "pcsc_funcs.h"
+#include "crypto/crypto.h"
+#include "crypto/sha1.h"
+#include "crypto/sha256.h"
+#include "crypto/milenage.h"
+#include "eap_common/eap_sim_common.h"
+#include "eap_config.h"
+#include "eap_i.h"
+
+
+struct eap_aka_data {
+	u8 ik[EAP_AKA_IK_LEN], ck[EAP_AKA_CK_LEN], res[EAP_AKA_RES_MAX_LEN];
+	size_t res_len;
+	u8 nonce_s[EAP_SIM_NONCE_S_LEN];
+	u8 mk[EAP_SIM_MK_LEN];
+	u8 k_aut[EAP_AKA_PRIME_K_AUT_LEN];
+	u8 k_encr[EAP_SIM_K_ENCR_LEN];
+	u8 k_re[EAP_AKA_PRIME_K_RE_LEN]; /* EAP-AKA' only */
+	u8 msk[EAP_SIM_KEYING_DATA_LEN];
+	u8 emsk[EAP_EMSK_LEN];
+	u8 rand[EAP_AKA_RAND_LEN], autn[EAP_AKA_AUTN_LEN];
+	u8 auts[EAP_AKA_AUTS_LEN];
+
+	int num_id_req, num_notification;
+	u8 *pseudonym;
+	size_t pseudonym_len;
+	u8 *reauth_id;
+	size_t reauth_id_len;
+	int reauth;
+	unsigned int counter, counter_too_small;
+	u8 *last_eap_identity;
+	size_t last_eap_identity_len;
+	enum {
+		CONTINUE, RESULT_SUCCESS, RESULT_FAILURE, SUCCESS, FAILURE
+	} state;
+
+	struct wpabuf *id_msgs;
+	int prev_id;
+	int result_ind, use_result_ind;
+	u8 eap_method;
+	u8 *network_name;
+	size_t network_name_len;
+	u16 kdf;
+	int kdf_negotiation;
+};
+
+
+#ifndef CONFIG_NO_STDOUT_DEBUG
+static const char * eap_aka_state_txt(int state)
+{
+	switch (state) {
+	case CONTINUE:
+		return "CONTINUE";
+	case RESULT_SUCCESS:
+		return "RESULT_SUCCESS";
+	case RESULT_FAILURE:
+		return "RESULT_FAILURE";
+	case SUCCESS:
+		return "SUCCESS";
+	case FAILURE:
+		return "FAILURE";
+	default:
+		return "?";
+	}
+}
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+
+
+static void eap_aka_state(struct eap_aka_data *data, int state)
+{
+	wpa_printf(MSG_DEBUG, "EAP-AKA: %s -> %s",
+		   eap_aka_state_txt(data->state),
+		   eap_aka_state_txt(state));
+	data->state = state;
+}
+
+
+static void * eap_aka_init(struct eap_sm *sm)
+{
+	struct eap_aka_data *data;
+	const char *phase1 = eap_get_config_phase1(sm);
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+
+	data->eap_method = EAP_TYPE_AKA;
+
+	eap_aka_state(data, CONTINUE);
+	data->prev_id = -1;
+
+	data->result_ind = phase1 && os_strstr(phase1, "result_ind=1") != NULL;
+
+	return data;
+}
+
+
+#ifdef EAP_AKA_PRIME
+static void * eap_aka_prime_init(struct eap_sm *sm)
+{
+	struct eap_aka_data *data = eap_aka_init(sm);
+	if (data == NULL)
+		return NULL;
+	data->eap_method = EAP_TYPE_AKA_PRIME;
+	return data;
+}
+#endif /* EAP_AKA_PRIME */
+
+
+static void eap_aka_deinit(struct eap_sm *sm, void *priv)
+{
+	struct eap_aka_data *data = priv;
+	if (data) {
+		os_free(data->pseudonym);
+		os_free(data->reauth_id);
+		os_free(data->last_eap_identity);
+		wpabuf_free(data->id_msgs);
+		os_free(data->network_name);
+		os_free(data);
+	}
+}
+
+
+static int eap_aka_umts_auth(struct eap_sm *sm, struct eap_aka_data *data)
+{
+	struct eap_peer_config *conf;
+
+	wpa_printf(MSG_DEBUG, "EAP-AKA: UMTS authentication algorithm");
+
+	conf = eap_get_config(sm);
+	if (conf == NULL)
+		return -1;
+	if (conf->pcsc) {
+		return scard_umts_auth(sm->scard_ctx, data->rand,
+				       data->autn, data->res, &data->res_len,
+				       data->ik, data->ck, data->auts);
+	}
+
+#ifdef CONFIG_USIM_SIMULATOR
+	if (conf->password) {
+		u8 opc[16], k[16], sqn[6];
+		const char *pos;
+		wpa_printf(MSG_DEBUG, "EAP-AKA: Use internal Milenage "
+			   "implementation for UMTS authentication");
+		if (conf->password_len < 78) {
+			wpa_printf(MSG_DEBUG, "EAP-AKA: invalid Milenage "
+				   "password");
+			return -1;
+		}
+		pos = (const char *) conf->password;
+		if (hexstr2bin(pos, k, 16))
+			return -1;
+		pos += 32;
+		if (*pos != ':')
+			return -1;
+		pos++;
+
+		if (hexstr2bin(pos, opc, 16))
+			return -1;
+		pos += 32;
+		if (*pos != ':')
+			return -1;
+		pos++;
+
+		if (hexstr2bin(pos, sqn, 6))
+			return -1;
+
+		return milenage_check(opc, k, sqn, data->rand, data->autn,
+				      data->ik, data->ck,
+				      data->res, &data->res_len, data->auts);
+	}
+#endif /* CONFIG_USIM_SIMULATOR */
+
+#ifdef CONFIG_USIM_HARDCODED
+	wpa_printf(MSG_DEBUG, "EAP-AKA: Use hardcoded Kc and SRES values for "
+		   "testing");
+
+	/* These hardcoded Kc and SRES values are used for testing.
+	 * Could consider making them configurable. */
+	os_memset(data->res, '2', EAP_AKA_RES_MAX_LEN);
+	data->res_len = EAP_AKA_RES_MAX_LEN;
+	os_memset(data->ik, '3', EAP_AKA_IK_LEN);
+	os_memset(data->ck, '4', EAP_AKA_CK_LEN);
+	{
+		u8 autn[EAP_AKA_AUTN_LEN];
+		os_memset(autn, '1', EAP_AKA_AUTN_LEN);
+		if (os_memcmp(autn, data->autn, EAP_AKA_AUTN_LEN) != 0) {
+			wpa_printf(MSG_WARNING, "EAP-AKA: AUTN did not match "
+				   "with expected value");
+			return -1;
+		}
+	}
+#if 0
+	{
+		static int test_resync = 1;
+		if (test_resync) {
+			/* Test Resynchronization */
+			test_resync = 0;
+			return -2;
+		}
+	}
+#endif
+	return 0;
+
+#else /* CONFIG_USIM_HARDCODED */
+
+	wpa_printf(MSG_DEBUG, "EAP-AKA: No UMTS authentication algorith "
+		   "enabled");
+	return -1;
+
+#endif /* CONFIG_USIM_HARDCODED */
+}
+
+
+#define CLEAR_PSEUDONYM	0x01
+#define CLEAR_REAUTH_ID	0x02
+#define CLEAR_EAP_ID	0x04
+
+static void eap_aka_clear_identities(struct eap_aka_data *data, int id)
+{
+	wpa_printf(MSG_DEBUG, "EAP-AKA: forgetting old%s%s%s",
+		   id & CLEAR_PSEUDONYM ? " pseudonym" : "",
+		   id & CLEAR_REAUTH_ID ? " reauth_id" : "",
+		   id & CLEAR_EAP_ID ? " eap_id" : "");
+	if (id & CLEAR_PSEUDONYM) {
+		os_free(data->pseudonym);
+		data->pseudonym = NULL;
+		data->pseudonym_len = 0;
+	}
+	if (id & CLEAR_REAUTH_ID) {
+		os_free(data->reauth_id);
+		data->reauth_id = NULL;
+		data->reauth_id_len = 0;
+	}
+	if (id & CLEAR_EAP_ID) {
+		os_free(data->last_eap_identity);
+		data->last_eap_identity = NULL;
+		data->last_eap_identity_len = 0;
+	}
+}
+
+
+static int eap_aka_learn_ids(struct eap_aka_data *data,
+			     struct eap_sim_attrs *attr)
+{
+	if (attr->next_pseudonym) {
+		os_free(data->pseudonym);
+		data->pseudonym = os_malloc(attr->next_pseudonym_len);
+		if (data->pseudonym == NULL) {
+			wpa_printf(MSG_INFO, "EAP-AKA: (encr) No memory for "
+				   "next pseudonym");
+			return -1;
+		}
+		os_memcpy(data->pseudonym, attr->next_pseudonym,
+			  attr->next_pseudonym_len);
+		data->pseudonym_len = attr->next_pseudonym_len;
+		wpa_hexdump_ascii(MSG_DEBUG,
+				  "EAP-AKA: (encr) AT_NEXT_PSEUDONYM",
+				  data->pseudonym,
+				  data->pseudonym_len);
+	}
+
+	if (attr->next_reauth_id) {
+		os_free(data->reauth_id);
+		data->reauth_id = os_malloc(attr->next_reauth_id_len);
+		if (data->reauth_id == NULL) {
+			wpa_printf(MSG_INFO, "EAP-AKA: (encr) No memory for "
+				   "next reauth_id");
+			return -1;
+		}
+		os_memcpy(data->reauth_id, attr->next_reauth_id,
+			  attr->next_reauth_id_len);
+		data->reauth_id_len = attr->next_reauth_id_len;
+		wpa_hexdump_ascii(MSG_DEBUG,
+				  "EAP-AKA: (encr) AT_NEXT_REAUTH_ID",
+				  data->reauth_id,
+				  data->reauth_id_len);
+	}
+
+	return 0;
+}
+
+
+static int eap_aka_add_id_msg(struct eap_aka_data *data,
+			      const struct wpabuf *msg)
+{
+	if (msg == NULL)
+		return -1;
+
+	if (data->id_msgs == NULL) {
+		data->id_msgs = wpabuf_dup(msg);
+		return data->id_msgs == NULL ? -1 : 0;
+	}
+
+	if (wpabuf_resize(&data->id_msgs, wpabuf_len(msg)) < 0)
+		return -1;
+	wpabuf_put_buf(data->id_msgs, msg);
+
+	return 0;
+}
+
+
+static void eap_aka_add_checkcode(struct eap_aka_data *data,
+				  struct eap_sim_msg *msg)
+{
+	const u8 *addr;
+	size_t len;
+	u8 hash[SHA256_MAC_LEN];
+
+	wpa_printf(MSG_DEBUG, "   AT_CHECKCODE");
+
+	if (data->id_msgs == NULL) {
+		/*
+		 * No EAP-AKA/Identity packets were exchanged - send empty
+		 * checkcode.
+		 */
+		eap_sim_msg_add(msg, EAP_SIM_AT_CHECKCODE, 0, NULL, 0);
+		return;
+	}
+
+	/* Checkcode is SHA1/SHA256 hash over all EAP-AKA/Identity packets. */
+	addr = wpabuf_head(data->id_msgs);
+	len = wpabuf_len(data->id_msgs);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-AKA: AT_CHECKCODE data", addr, len);
+#ifdef EAP_AKA_PRIME
+	if (data->eap_method == EAP_TYPE_AKA_PRIME)
+		sha256_vector(1, &addr, &len, hash);
+	else
+#endif /* EAP_AKA_PRIME */
+		sha1_vector(1, &addr, &len, hash);
+
+	eap_sim_msg_add(msg, EAP_SIM_AT_CHECKCODE, 0, hash,
+			data->eap_method == EAP_TYPE_AKA_PRIME ?
+			EAP_AKA_PRIME_CHECKCODE_LEN : EAP_AKA_CHECKCODE_LEN);
+}
+
+
+static int eap_aka_verify_checkcode(struct eap_aka_data *data,
+				    const u8 *checkcode, size_t checkcode_len)
+{
+	const u8 *addr;
+	size_t len;
+	u8 hash[SHA256_MAC_LEN];
+	size_t hash_len;
+
+	if (checkcode == NULL)
+		return -1;
+
+	if (data->id_msgs == NULL) {
+		if (checkcode_len != 0) {
+			wpa_printf(MSG_DEBUG, "EAP-AKA: Checkcode from server "
+				   "indicates that AKA/Identity messages were "
+				   "used, but they were not");
+			return -1;
+		}
+		return 0;
+	}
+
+	hash_len = data->eap_method == EAP_TYPE_AKA_PRIME ?
+		EAP_AKA_PRIME_CHECKCODE_LEN : EAP_AKA_CHECKCODE_LEN;
+
+	if (checkcode_len != hash_len) {
+		wpa_printf(MSG_DEBUG, "EAP-AKA: Checkcode from server "
+			   "indicates that AKA/Identity message were not "
+			   "used, but they were");
+		return -1;
+	}
+
+	/* Checkcode is SHA1/SHA256 hash over all EAP-AKA/Identity packets. */
+	addr = wpabuf_head(data->id_msgs);
+	len = wpabuf_len(data->id_msgs);
+#ifdef EAP_AKA_PRIME
+	if (data->eap_method == EAP_TYPE_AKA_PRIME)
+		sha256_vector(1, &addr, &len, hash);
+	else
+#endif /* EAP_AKA_PRIME */
+		sha1_vector(1, &addr, &len, hash);
+
+	if (os_memcmp(hash, checkcode, hash_len) != 0) {
+		wpa_printf(MSG_DEBUG, "EAP-AKA: Mismatch in AT_CHECKCODE");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static struct wpabuf * eap_aka_client_error(struct eap_aka_data *data, u8 id,
+					    int err)
+{
+	struct eap_sim_msg *msg;
+
+	eap_aka_state(data, FAILURE);
+	data->num_id_req = 0;
+	data->num_notification = 0;
+
+	msg = eap_sim_msg_init(EAP_CODE_RESPONSE, id, data->eap_method,
+			       EAP_AKA_SUBTYPE_CLIENT_ERROR);
+	eap_sim_msg_add(msg, EAP_SIM_AT_CLIENT_ERROR_CODE, err, NULL, 0);
+	return eap_sim_msg_finish(msg, NULL, NULL, 0);
+}
+
+
+static struct wpabuf * eap_aka_authentication_reject(struct eap_aka_data *data,
+						     u8 id)
+{
+	struct eap_sim_msg *msg;
+
+	eap_aka_state(data, FAILURE);
+	data->num_id_req = 0;
+	data->num_notification = 0;
+
+	wpa_printf(MSG_DEBUG, "Generating EAP-AKA Authentication-Reject "
+		   "(id=%d)", id);
+	msg = eap_sim_msg_init(EAP_CODE_RESPONSE, id, data->eap_method,
+			       EAP_AKA_SUBTYPE_AUTHENTICATION_REJECT);
+	return eap_sim_msg_finish(msg, NULL, NULL, 0);
+}
+
+
+static struct wpabuf * eap_aka_synchronization_failure(
+	struct eap_aka_data *data, u8 id)
+{
+	struct eap_sim_msg *msg;
+
+	data->num_id_req = 0;
+	data->num_notification = 0;
+
+	wpa_printf(MSG_DEBUG, "Generating EAP-AKA Synchronization-Failure "
+		   "(id=%d)", id);
+	msg = eap_sim_msg_init(EAP_CODE_RESPONSE, id, data->eap_method,
+			       EAP_AKA_SUBTYPE_SYNCHRONIZATION_FAILURE);
+	wpa_printf(MSG_DEBUG, "   AT_AUTS");
+	eap_sim_msg_add_full(msg, EAP_SIM_AT_AUTS, data->auts,
+			     EAP_AKA_AUTS_LEN);
+	return eap_sim_msg_finish(msg, NULL, NULL, 0);
+}
+
+
+static struct wpabuf * eap_aka_response_identity(struct eap_sm *sm,
+						 struct eap_aka_data *data,
+						 u8 id,
+						 enum eap_sim_id_req id_req)
+{
+	const u8 *identity = NULL;
+	size_t identity_len = 0;
+	struct eap_sim_msg *msg;
+
+	data->reauth = 0;
+	if (id_req == ANY_ID && data->reauth_id) {
+		identity = data->reauth_id;
+		identity_len = data->reauth_id_len;
+		data->reauth = 1;
+	} else if ((id_req == ANY_ID || id_req == FULLAUTH_ID) &&
+		   data->pseudonym) {
+		identity = data->pseudonym;
+		identity_len = data->pseudonym_len;
+		eap_aka_clear_identities(data, CLEAR_REAUTH_ID);
+	} else if (id_req != NO_ID_REQ) {
+		identity = eap_get_config_identity(sm, &identity_len);
+		if (identity) {
+			eap_aka_clear_identities(data, CLEAR_PSEUDONYM |
+						 CLEAR_REAUTH_ID);
+		}
+	}
+	if (id_req != NO_ID_REQ)
+		eap_aka_clear_identities(data, CLEAR_EAP_ID);
+
+	wpa_printf(MSG_DEBUG, "Generating EAP-AKA Identity (id=%d)", id);
+	msg = eap_sim_msg_init(EAP_CODE_RESPONSE, id, data->eap_method,
+			       EAP_AKA_SUBTYPE_IDENTITY);
+
+	if (identity) {
+		wpa_hexdump_ascii(MSG_DEBUG, "   AT_IDENTITY",
+				  identity, identity_len);
+		eap_sim_msg_add(msg, EAP_SIM_AT_IDENTITY, identity_len,
+				identity, identity_len);
+	}
+
+	return eap_sim_msg_finish(msg, NULL, NULL, 0);
+}
+
+
+static struct wpabuf * eap_aka_response_challenge(struct eap_aka_data *data,
+						  u8 id)
+{
+	struct eap_sim_msg *msg;
+
+	wpa_printf(MSG_DEBUG, "Generating EAP-AKA Challenge (id=%d)", id);
+	msg = eap_sim_msg_init(EAP_CODE_RESPONSE, id, data->eap_method,
+			       EAP_AKA_SUBTYPE_CHALLENGE);
+	wpa_printf(MSG_DEBUG, "   AT_RES");
+	eap_sim_msg_add(msg, EAP_SIM_AT_RES, data->res_len * 8,
+			data->res, data->res_len);
+	eap_aka_add_checkcode(data, msg);
+	if (data->use_result_ind) {
+		wpa_printf(MSG_DEBUG, "   AT_RESULT_IND");
+		eap_sim_msg_add(msg, EAP_SIM_AT_RESULT_IND, 0, NULL, 0);
+	}
+	wpa_printf(MSG_DEBUG, "   AT_MAC");
+	eap_sim_msg_add_mac(msg, EAP_SIM_AT_MAC);
+	return eap_sim_msg_finish(msg, data->k_aut, (u8 *) "", 0);
+}
+
+
+static struct wpabuf * eap_aka_response_reauth(struct eap_aka_data *data,
+					       u8 id, int counter_too_small,
+					       const u8 *nonce_s)
+{
+	struct eap_sim_msg *msg;
+	unsigned int counter;
+
+	wpa_printf(MSG_DEBUG, "Generating EAP-AKA Reauthentication (id=%d)",
+		   id);
+	msg = eap_sim_msg_init(EAP_CODE_RESPONSE, id, data->eap_method,
+			       EAP_AKA_SUBTYPE_REAUTHENTICATION);
+	wpa_printf(MSG_DEBUG, "   AT_IV");
+	wpa_printf(MSG_DEBUG, "   AT_ENCR_DATA");
+	eap_sim_msg_add_encr_start(msg, EAP_SIM_AT_IV, EAP_SIM_AT_ENCR_DATA);
+
+	if (counter_too_small) {
+		wpa_printf(MSG_DEBUG, "   *AT_COUNTER_TOO_SMALL");
+		eap_sim_msg_add(msg, EAP_SIM_AT_COUNTER_TOO_SMALL, 0, NULL, 0);
+		counter = data->counter_too_small;
+	} else
+		counter = data->counter;
+
+	wpa_printf(MSG_DEBUG, "   *AT_COUNTER %d", counter);
+	eap_sim_msg_add(msg, EAP_SIM_AT_COUNTER, counter, NULL, 0);
+
+	if (eap_sim_msg_add_encr_end(msg, data->k_encr, EAP_SIM_AT_PADDING)) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Failed to encrypt "
+			   "AT_ENCR_DATA");
+		eap_sim_msg_free(msg);
+		return NULL;
+	}
+	eap_aka_add_checkcode(data, msg);
+	if (data->use_result_ind) {
+		wpa_printf(MSG_DEBUG, "   AT_RESULT_IND");
+		eap_sim_msg_add(msg, EAP_SIM_AT_RESULT_IND, 0, NULL, 0);
+	}
+	wpa_printf(MSG_DEBUG, "   AT_MAC");
+	eap_sim_msg_add_mac(msg, EAP_SIM_AT_MAC);
+	return eap_sim_msg_finish(msg, data->k_aut, nonce_s,
+				  EAP_SIM_NONCE_S_LEN);
+}
+
+
+static struct wpabuf * eap_aka_response_notification(struct eap_aka_data *data,
+						     u8 id, u16 notification)
+{
+	struct eap_sim_msg *msg;
+	u8 *k_aut = (notification & 0x4000) == 0 ? data->k_aut : NULL;
+
+	wpa_printf(MSG_DEBUG, "Generating EAP-AKA Notification (id=%d)", id);
+	msg = eap_sim_msg_init(EAP_CODE_RESPONSE, id, data->eap_method,
+			       EAP_AKA_SUBTYPE_NOTIFICATION);
+	if (k_aut && data->reauth) {
+		wpa_printf(MSG_DEBUG, "   AT_IV");
+		wpa_printf(MSG_DEBUG, "   AT_ENCR_DATA");
+		eap_sim_msg_add_encr_start(msg, EAP_SIM_AT_IV,
+					   EAP_SIM_AT_ENCR_DATA);
+		wpa_printf(MSG_DEBUG, "   *AT_COUNTER %d", data->counter);
+		eap_sim_msg_add(msg, EAP_SIM_AT_COUNTER, data->counter,
+				NULL, 0);
+		if (eap_sim_msg_add_encr_end(msg, data->k_encr,
+					     EAP_SIM_AT_PADDING)) {
+			wpa_printf(MSG_WARNING, "EAP-AKA: Failed to encrypt "
+				   "AT_ENCR_DATA");
+			eap_sim_msg_free(msg);
+			return NULL;
+		}
+	}
+	if (k_aut) {
+		wpa_printf(MSG_DEBUG, "   AT_MAC");
+		eap_sim_msg_add_mac(msg, EAP_SIM_AT_MAC);
+	}
+	return eap_sim_msg_finish(msg, k_aut, (u8 *) "", 0);
+}
+
+
+static struct wpabuf * eap_aka_process_identity(struct eap_sm *sm,
+						struct eap_aka_data *data,
+						u8 id,
+						const struct wpabuf *reqData,
+						struct eap_sim_attrs *attr)
+{
+	int id_error;
+	struct wpabuf *buf;
+
+	wpa_printf(MSG_DEBUG, "EAP-AKA: subtype Identity");
+
+	id_error = 0;
+	switch (attr->id_req) {
+	case NO_ID_REQ:
+		break;
+	case ANY_ID:
+		if (data->num_id_req > 0)
+			id_error++;
+		data->num_id_req++;
+		break;
+	case FULLAUTH_ID:
+		if (data->num_id_req > 1)
+			id_error++;
+		data->num_id_req++;
+		break;
+	case PERMANENT_ID:
+		if (data->num_id_req > 2)
+			id_error++;
+		data->num_id_req++;
+		break;
+	}
+	if (id_error) {
+		wpa_printf(MSG_INFO, "EAP-AKA: Too many ID requests "
+			   "used within one authentication");
+		return eap_aka_client_error(data, id,
+					    EAP_AKA_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	buf = eap_aka_response_identity(sm, data, id, attr->id_req);
+
+	if (data->prev_id != id) {
+		eap_aka_add_id_msg(data, reqData);
+		eap_aka_add_id_msg(data, buf);
+		data->prev_id = id;
+	}
+
+	return buf;
+}
+
+
+static int eap_aka_verify_mac(struct eap_aka_data *data,
+			      const struct wpabuf *req,
+			      const u8 *mac, const u8 *extra,
+			      size_t extra_len)
+{
+	if (data->eap_method == EAP_TYPE_AKA_PRIME)
+		return eap_sim_verify_mac_sha256(data->k_aut, req, mac, extra,
+						 extra_len);
+	return eap_sim_verify_mac(data->k_aut, req, mac, extra, extra_len);
+}
+
+
+#ifdef EAP_AKA_PRIME
+static struct wpabuf * eap_aka_prime_kdf_select(struct eap_aka_data *data,
+						u8 id, u16 kdf)
+{
+	struct eap_sim_msg *msg;
+
+	data->kdf_negotiation = 1;
+	data->kdf = kdf;
+	wpa_printf(MSG_DEBUG, "Generating EAP-AKA Challenge (id=%d) (KDF "
+		   "select)", id);
+	msg = eap_sim_msg_init(EAP_CODE_RESPONSE, id, data->eap_method,
+			       EAP_AKA_SUBTYPE_CHALLENGE);
+	wpa_printf(MSG_DEBUG, "   AT_KDF");
+	eap_sim_msg_add(msg, EAP_SIM_AT_KDF, kdf, NULL, 0);
+	return eap_sim_msg_finish(msg, NULL, NULL, 0);
+}
+
+
+static struct wpabuf * eap_aka_prime_kdf_neg(struct eap_aka_data *data,
+					     u8 id, struct eap_sim_attrs *attr)
+{
+	size_t i;
+
+	for (i = 0; i < attr->kdf_count; i++) {
+		if (attr->kdf[i] == EAP_AKA_PRIME_KDF)
+			return eap_aka_prime_kdf_select(data, id,
+							EAP_AKA_PRIME_KDF);
+	}
+
+	/* No matching KDF found - fail authentication as if AUTN had been
+	 * incorrect */
+	return eap_aka_authentication_reject(data, id);
+}
+
+
+static int eap_aka_prime_kdf_valid(struct eap_aka_data *data,
+				   struct eap_sim_attrs *attr)
+{
+	size_t i, j;
+
+	if (attr->kdf_count == 0)
+		return 0;
+
+	/* The only allowed (and required) duplication of a KDF is the addition
+	 * of the selected KDF into the beginning of the list. */
+
+	if (data->kdf_negotiation) {
+		if (attr->kdf[0] != data->kdf) {
+			wpa_printf(MSG_WARNING, "EAP-AKA': The server did not "
+				   "accept the selected KDF");
+			return 0;
+		}
+
+		for (i = 1; i < attr->kdf_count; i++) {
+			if (attr->kdf[i] == data->kdf)
+				break;
+		}
+		if (i == attr->kdf_count &&
+		    attr->kdf_count < EAP_AKA_PRIME_KDF_MAX) {
+			wpa_printf(MSG_WARNING, "EAP-AKA': The server did not "
+				   "duplicate the selected KDF");
+			return 0;
+		}
+
+		/* TODO: should check that the list is identical to the one
+		 * used in the previous Challenge message apart from the added
+		 * entry in the beginning. */
+	}
+
+	for (i = data->kdf ? 1 : 0; i < attr->kdf_count; i++) {
+		for (j = i + 1; j < attr->kdf_count; j++) {
+			if (attr->kdf[i] == attr->kdf[j]) {
+				wpa_printf(MSG_WARNING, "EAP-AKA': The server "
+					   "included a duplicated KDF");
+				return 0;
+			}
+		}
+	}
+
+	return 1;
+}
+#endif /* EAP_AKA_PRIME */
+
+
+static struct wpabuf * eap_aka_process_challenge(struct eap_sm *sm,
+						 struct eap_aka_data *data,
+						 u8 id,
+						 const struct wpabuf *reqData,
+						 struct eap_sim_attrs *attr)
+{
+	const u8 *identity;
+	size_t identity_len;
+	int res;
+	struct eap_sim_attrs eattr;
+
+	wpa_printf(MSG_DEBUG, "EAP-AKA: subtype Challenge");
+
+	if (attr->checkcode &&
+	    eap_aka_verify_checkcode(data, attr->checkcode,
+				     attr->checkcode_len)) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Invalid AT_CHECKCODE in the "
+			   "message");
+		return eap_aka_client_error(data, id,
+					    EAP_AKA_UNABLE_TO_PROCESS_PACKET);
+	}
+
+#ifdef EAP_AKA_PRIME
+	if (data->eap_method == EAP_TYPE_AKA_PRIME) {
+		if (!attr->kdf_input || attr->kdf_input_len == 0) {
+			wpa_printf(MSG_WARNING, "EAP-AKA': Challenge message "
+				   "did not include non-empty AT_KDF_INPUT");
+			/* Fail authentication as if AUTN had been incorrect */
+			return eap_aka_authentication_reject(data, id);
+		}
+		os_free(data->network_name);
+		data->network_name = os_malloc(attr->kdf_input_len);
+		if (data->network_name == NULL) {
+			wpa_printf(MSG_WARNING, "EAP-AKA': No memory for "
+				   "storing Network Name");
+			return eap_aka_authentication_reject(data, id);
+		}
+		os_memcpy(data->network_name, attr->kdf_input,
+			  attr->kdf_input_len);
+		data->network_name_len = attr->kdf_input_len;
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-AKA': Network Name "
+				  "(AT_KDF_INPUT)",
+				  data->network_name, data->network_name_len);
+		/* TODO: check Network Name per 3GPP.33.402 */
+
+		if (!eap_aka_prime_kdf_valid(data, attr))
+			return eap_aka_authentication_reject(data, id);
+
+		if (attr->kdf[0] != EAP_AKA_PRIME_KDF)
+			return eap_aka_prime_kdf_neg(data, id, attr);
+
+		data->kdf = EAP_AKA_PRIME_KDF;
+		wpa_printf(MSG_DEBUG, "EAP-AKA': KDF %d selected", data->kdf);
+	}
+
+	if (data->eap_method == EAP_TYPE_AKA && attr->bidding) {
+		u16 flags = WPA_GET_BE16(attr->bidding);
+		if ((flags & EAP_AKA_BIDDING_FLAG_D) &&
+		    eap_allowed_method(sm, EAP_VENDOR_IETF,
+				       EAP_TYPE_AKA_PRIME)) {
+			wpa_printf(MSG_WARNING, "EAP-AKA: Bidding down from "
+				   "AKA' to AKA detected");
+			/* Fail authentication as if AUTN had been incorrect */
+			return eap_aka_authentication_reject(data, id);
+		}
+	}
+#endif /* EAP_AKA_PRIME */
+
+	data->reauth = 0;
+	if (!attr->mac || !attr->rand || !attr->autn) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Challenge message "
+			   "did not include%s%s%s",
+			   !attr->mac ? " AT_MAC" : "",
+			   !attr->rand ? " AT_RAND" : "",
+			   !attr->autn ? " AT_AUTN" : "");
+		return eap_aka_client_error(data, id,
+					    EAP_AKA_UNABLE_TO_PROCESS_PACKET);
+	}
+	os_memcpy(data->rand, attr->rand, EAP_AKA_RAND_LEN);
+	os_memcpy(data->autn, attr->autn, EAP_AKA_AUTN_LEN);
+
+	res = eap_aka_umts_auth(sm, data);
+	if (res == -1) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: UMTS authentication "
+			   "failed (AUTN)");
+		return eap_aka_authentication_reject(data, id);
+	} else if (res == -2) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: UMTS authentication "
+			   "failed (AUTN seq# -> AUTS)");
+		return eap_aka_synchronization_failure(data, id);
+	} else if (res) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: UMTS authentication failed");
+		return eap_aka_client_error(data, id,
+					    EAP_AKA_UNABLE_TO_PROCESS_PACKET);
+	}
+#ifdef EAP_AKA_PRIME
+	if (data->eap_method == EAP_TYPE_AKA_PRIME) {
+		/* Note: AUTN = (SQN ^ AK) || AMF || MAC which gives us the
+		 * needed 6-octet SQN ^ AK for CK',IK' derivation */
+		u16 amf = WPA_GET_BE16(data->autn + 6);
+		if (!(amf & 0x8000)) {
+			wpa_printf(MSG_WARNING, "EAP-AKA': AMF separation bit "
+				   "not set (AMF=0x%4x)", amf);
+			return eap_aka_authentication_reject(data, id);
+		}
+		eap_aka_prime_derive_ck_ik_prime(data->ck, data->ik,
+						 data->autn,
+						 data->network_name,
+						 data->network_name_len);
+	}
+#endif /* EAP_AKA_PRIME */
+	if (data->last_eap_identity) {
+		identity = data->last_eap_identity;
+		identity_len = data->last_eap_identity_len;
+	} else if (data->pseudonym) {
+		identity = data->pseudonym;
+		identity_len = data->pseudonym_len;
+	} else
+		identity = eap_get_config_identity(sm, &identity_len);
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-AKA: Selected identity for MK "
+			  "derivation", identity, identity_len);
+	if (data->eap_method == EAP_TYPE_AKA_PRIME) {
+		eap_aka_prime_derive_keys(identity, identity_len, data->ik,
+					  data->ck, data->k_encr, data->k_aut,
+					  data->k_re, data->msk, data->emsk);
+	} else {
+		eap_aka_derive_mk(identity, identity_len, data->ik, data->ck,
+				  data->mk);
+		eap_sim_derive_keys(data->mk, data->k_encr, data->k_aut,
+				    data->msk, data->emsk);
+	}
+	if (eap_aka_verify_mac(data, reqData, attr->mac, (u8 *) "", 0)) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Challenge message "
+			   "used invalid AT_MAC");
+		return eap_aka_client_error(data, id,
+					    EAP_AKA_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	/* Old reauthentication and pseudonym identities must not be used
+	 * anymore. In other words, if no new identities are received, full
+	 * authentication will be used on next reauthentication. */
+	eap_aka_clear_identities(data, CLEAR_PSEUDONYM | CLEAR_REAUTH_ID |
+				 CLEAR_EAP_ID);
+
+	if (attr->encr_data) {
+		u8 *decrypted;
+		decrypted = eap_sim_parse_encr(data->k_encr, attr->encr_data,
+					       attr->encr_data_len, attr->iv,
+					       &eattr, 0);
+		if (decrypted == NULL) {
+			return eap_aka_client_error(
+				data, id, EAP_AKA_UNABLE_TO_PROCESS_PACKET);
+		}
+		eap_aka_learn_ids(data, &eattr);
+		os_free(decrypted);
+	}
+
+	if (data->result_ind && attr->result_ind)
+		data->use_result_ind = 1;
+
+	if (data->state != FAILURE && data->state != RESULT_FAILURE) {
+		eap_aka_state(data, data->use_result_ind ?
+			      RESULT_SUCCESS : SUCCESS);
+	}
+
+	data->num_id_req = 0;
+	data->num_notification = 0;
+	/* RFC 4187 specifies that counter is initialized to one after
+	 * fullauth, but initializing it to zero makes it easier to implement
+	 * reauth verification. */
+	data->counter = 0;
+	return eap_aka_response_challenge(data, id);
+}
+
+
+static int eap_aka_process_notification_reauth(struct eap_aka_data *data,
+					       struct eap_sim_attrs *attr)
+{
+	struct eap_sim_attrs eattr;
+	u8 *decrypted;
+
+	if (attr->encr_data == NULL || attr->iv == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Notification message after "
+			   "reauth did not include encrypted data");
+		return -1;
+	}
+
+	decrypted = eap_sim_parse_encr(data->k_encr, attr->encr_data,
+				       attr->encr_data_len, attr->iv, &eattr,
+				       0);
+	if (decrypted == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Failed to parse encrypted "
+			   "data from notification message");
+		return -1;
+	}
+
+	if (eattr.counter < 0 || (size_t) eattr.counter != data->counter) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Counter in notification "
+			   "message does not match with counter in reauth "
+			   "message");
+		os_free(decrypted);
+		return -1;
+	}
+
+	os_free(decrypted);
+	return 0;
+}
+
+
+static int eap_aka_process_notification_auth(struct eap_aka_data *data,
+					     const struct wpabuf *reqData,
+					     struct eap_sim_attrs *attr)
+{
+	if (attr->mac == NULL) {
+		wpa_printf(MSG_INFO, "EAP-AKA: no AT_MAC in after_auth "
+			   "Notification message");
+		return -1;
+	}
+
+	if (eap_aka_verify_mac(data, reqData, attr->mac, (u8 *) "", 0)) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Notification message "
+			   "used invalid AT_MAC");
+		return -1;
+	}
+
+	if (data->reauth &&
+	    eap_aka_process_notification_reauth(data, attr)) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Invalid notification "
+			   "message after reauth");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static struct wpabuf * eap_aka_process_notification(
+	struct eap_sm *sm, struct eap_aka_data *data, u8 id,
+	const struct wpabuf *reqData, struct eap_sim_attrs *attr)
+{
+	wpa_printf(MSG_DEBUG, "EAP-AKA: subtype Notification");
+	if (data->num_notification > 0) {
+		wpa_printf(MSG_INFO, "EAP-AKA: too many notification "
+			   "rounds (only one allowed)");
+		return eap_aka_client_error(data, id,
+					    EAP_AKA_UNABLE_TO_PROCESS_PACKET);
+	}
+	data->num_notification++;
+	if (attr->notification == -1) {
+		wpa_printf(MSG_INFO, "EAP-AKA: no AT_NOTIFICATION in "
+			   "Notification message");
+		return eap_aka_client_error(data, id,
+					    EAP_AKA_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	if ((attr->notification & 0x4000) == 0 &&
+	    eap_aka_process_notification_auth(data, reqData, attr)) {
+		return eap_aka_client_error(data, id,
+					    EAP_AKA_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	eap_sim_report_notification(sm->msg_ctx, attr->notification, 1);
+	if (attr->notification >= 0 && attr->notification < 32768) {
+		eap_aka_state(data, FAILURE);
+	} else if (attr->notification == EAP_SIM_SUCCESS &&
+		   data->state == RESULT_SUCCESS)
+		eap_aka_state(data, SUCCESS);
+	return eap_aka_response_notification(data, id, attr->notification);
+}
+
+
+static struct wpabuf * eap_aka_process_reauthentication(
+	struct eap_sm *sm, struct eap_aka_data *data, u8 id,
+	const struct wpabuf *reqData, struct eap_sim_attrs *attr)
+{
+	struct eap_sim_attrs eattr;
+	u8 *decrypted;
+
+	wpa_printf(MSG_DEBUG, "EAP-AKA: subtype Reauthentication");
+
+	if (attr->checkcode &&
+	    eap_aka_verify_checkcode(data, attr->checkcode,
+				     attr->checkcode_len)) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Invalid AT_CHECKCODE in the "
+			   "message");
+		return eap_aka_client_error(data, id,
+					    EAP_AKA_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	if (data->reauth_id == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Server is trying "
+			   "reauthentication, but no reauth_id available");
+		return eap_aka_client_error(data, id,
+					    EAP_AKA_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	data->reauth = 1;
+	if (eap_aka_verify_mac(data, reqData, attr->mac, (u8 *) "", 0)) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Reauthentication "
+			   "did not have valid AT_MAC");
+		return eap_aka_client_error(data, id,
+					    EAP_AKA_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	if (attr->encr_data == NULL || attr->iv == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Reauthentication "
+			   "message did not include encrypted data");
+		return eap_aka_client_error(data, id,
+					    EAP_AKA_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	decrypted = eap_sim_parse_encr(data->k_encr, attr->encr_data,
+				       attr->encr_data_len, attr->iv, &eattr,
+				       0);
+	if (decrypted == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Failed to parse encrypted "
+			   "data from reauthentication message");
+		return eap_aka_client_error(data, id,
+					    EAP_AKA_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	if (eattr.nonce_s == NULL || eattr.counter < 0) {
+		wpa_printf(MSG_INFO, "EAP-AKA: (encr) No%s%s in reauth packet",
+			   !eattr.nonce_s ? " AT_NONCE_S" : "",
+			   eattr.counter < 0 ? " AT_COUNTER" : "");
+		os_free(decrypted);
+		return eap_aka_client_error(data, id,
+					    EAP_AKA_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	if (eattr.counter < 0 || (size_t) eattr.counter <= data->counter) {
+		struct wpabuf *res;
+		wpa_printf(MSG_INFO, "EAP-AKA: (encr) Invalid counter "
+			   "(%d <= %d)", eattr.counter, data->counter);
+		data->counter_too_small = eattr.counter;
+
+		/* Reply using Re-auth w/ AT_COUNTER_TOO_SMALL. The current
+		 * reauth_id must not be used to start a new reauthentication.
+		 * However, since it was used in the last EAP-Response-Identity
+		 * packet, it has to saved for the following fullauth to be
+		 * used in MK derivation. */
+		os_free(data->last_eap_identity);
+		data->last_eap_identity = data->reauth_id;
+		data->last_eap_identity_len = data->reauth_id_len;
+		data->reauth_id = NULL;
+		data->reauth_id_len = 0;
+
+		res = eap_aka_response_reauth(data, id, 1, eattr.nonce_s);
+		os_free(decrypted);
+
+		return res;
+	}
+	data->counter = eattr.counter;
+
+	os_memcpy(data->nonce_s, eattr.nonce_s, EAP_SIM_NONCE_S_LEN);
+	wpa_hexdump(MSG_DEBUG, "EAP-AKA: (encr) AT_NONCE_S",
+		    data->nonce_s, EAP_SIM_NONCE_S_LEN);
+
+	if (data->eap_method == EAP_TYPE_AKA_PRIME) {
+		eap_aka_prime_derive_keys_reauth(data->k_re, data->counter,
+						 data->reauth_id,
+						 data->reauth_id_len,
+						 data->nonce_s,
+						 data->msk, data->emsk);
+	} else {
+		eap_sim_derive_keys_reauth(data->counter, data->reauth_id,
+					   data->reauth_id_len,
+					   data->nonce_s, data->mk,
+					   data->msk, data->emsk);
+	}
+	eap_aka_clear_identities(data, CLEAR_REAUTH_ID | CLEAR_EAP_ID);
+	eap_aka_learn_ids(data, &eattr);
+
+	if (data->result_ind && attr->result_ind)
+		data->use_result_ind = 1;
+
+	if (data->state != FAILURE && data->state != RESULT_FAILURE) {
+		eap_aka_state(data, data->use_result_ind ?
+			      RESULT_SUCCESS : SUCCESS);
+	}
+
+	data->num_id_req = 0;
+	data->num_notification = 0;
+	if (data->counter > EAP_AKA_MAX_FAST_REAUTHS) {
+		wpa_printf(MSG_DEBUG, "EAP-AKA: Maximum number of "
+			   "fast reauths performed - force fullauth");
+		eap_aka_clear_identities(data, CLEAR_REAUTH_ID | CLEAR_EAP_ID);
+	}
+	os_free(decrypted);
+	return eap_aka_response_reauth(data, id, 0, data->nonce_s);
+}
+
+
+static struct wpabuf * eap_aka_process(struct eap_sm *sm, void *priv,
+				       struct eap_method_ret *ret,
+				       const struct wpabuf *reqData)
+{
+	struct eap_aka_data *data = priv;
+	const struct eap_hdr *req;
+	u8 subtype, id;
+	struct wpabuf *res;
+	const u8 *pos;
+	struct eap_sim_attrs attr;
+	size_t len;
+
+	wpa_hexdump_buf(MSG_DEBUG, "EAP-AKA: EAP data", reqData);
+	if (eap_get_config_identity(sm, &len) == NULL) {
+		wpa_printf(MSG_INFO, "EAP-AKA: Identity not configured");
+		eap_sm_request_identity(sm);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, data->eap_method, reqData,
+			       &len);
+	if (pos == NULL || len < 1) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+	req = wpabuf_head(reqData);
+	id = req->identifier;
+	len = be_to_host16(req->length);
+
+	ret->ignore = FALSE;
+	ret->methodState = METHOD_MAY_CONT;
+	ret->decision = DECISION_FAIL;
+	ret->allowNotifications = TRUE;
+
+	subtype = *pos++;
+	wpa_printf(MSG_DEBUG, "EAP-AKA: Subtype=%d", subtype);
+	pos += 2; /* Reserved */
+
+	if (eap_sim_parse_attr(pos, wpabuf_head_u8(reqData) + len, &attr,
+			       data->eap_method == EAP_TYPE_AKA_PRIME ? 2 : 1,
+			       0)) {
+		res = eap_aka_client_error(data, id,
+					   EAP_AKA_UNABLE_TO_PROCESS_PACKET);
+		goto done;
+	}
+
+	switch (subtype) {
+	case EAP_AKA_SUBTYPE_IDENTITY:
+		res = eap_aka_process_identity(sm, data, id, reqData, &attr);
+		break;
+	case EAP_AKA_SUBTYPE_CHALLENGE:
+		res = eap_aka_process_challenge(sm, data, id, reqData, &attr);
+		break;
+	case EAP_AKA_SUBTYPE_NOTIFICATION:
+		res = eap_aka_process_notification(sm, data, id, reqData,
+						   &attr);
+		break;
+	case EAP_AKA_SUBTYPE_REAUTHENTICATION:
+		res = eap_aka_process_reauthentication(sm, data, id, reqData,
+						       &attr);
+		break;
+	case EAP_AKA_SUBTYPE_CLIENT_ERROR:
+		wpa_printf(MSG_DEBUG, "EAP-AKA: subtype Client-Error");
+		res = eap_aka_client_error(data, id,
+					   EAP_AKA_UNABLE_TO_PROCESS_PACKET);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-AKA: Unknown subtype=%d", subtype);
+		res = eap_aka_client_error(data, id,
+					   EAP_AKA_UNABLE_TO_PROCESS_PACKET);
+		break;
+	}
+
+done:
+	if (data->state == FAILURE) {
+		ret->decision = DECISION_FAIL;
+		ret->methodState = METHOD_DONE;
+	} else if (data->state == SUCCESS) {
+		ret->decision = data->use_result_ind ?
+			DECISION_UNCOND_SUCC : DECISION_COND_SUCC;
+		/*
+		 * It is possible for the server to reply with AKA
+		 * Notification, so we must allow the method to continue and
+		 * not only accept EAP-Success at this point.
+		 */
+		ret->methodState = data->use_result_ind ?
+			METHOD_DONE : METHOD_MAY_CONT;
+	} else if (data->state == RESULT_FAILURE)
+		ret->methodState = METHOD_CONT;
+	else if (data->state == RESULT_SUCCESS)
+		ret->methodState = METHOD_CONT;
+
+	if (ret->methodState == METHOD_DONE) {
+		ret->allowNotifications = FALSE;
+	}
+
+	return res;
+}
+
+
+static Boolean eap_aka_has_reauth_data(struct eap_sm *sm, void *priv)
+{
+	struct eap_aka_data *data = priv;
+	return data->pseudonym || data->reauth_id;
+}
+
+
+static void eap_aka_deinit_for_reauth(struct eap_sm *sm, void *priv)
+{
+	struct eap_aka_data *data = priv;
+	eap_aka_clear_identities(data, CLEAR_EAP_ID);
+	data->prev_id = -1;
+	wpabuf_free(data->id_msgs);
+	data->id_msgs = NULL;
+	data->use_result_ind = 0;
+	data->kdf_negotiation = 0;
+}
+
+
+static void * eap_aka_init_for_reauth(struct eap_sm *sm, void *priv)
+{
+	struct eap_aka_data *data = priv;
+	data->num_id_req = 0;
+	data->num_notification = 0;
+	eap_aka_state(data, CONTINUE);
+	return priv;
+}
+
+
+static const u8 * eap_aka_get_identity(struct eap_sm *sm, void *priv,
+				       size_t *len)
+{
+	struct eap_aka_data *data = priv;
+
+	if (data->reauth_id) {
+		*len = data->reauth_id_len;
+		return data->reauth_id;
+	}
+
+	if (data->pseudonym) {
+		*len = data->pseudonym_len;
+		return data->pseudonym;
+	}
+
+	return NULL;
+}
+
+
+static Boolean eap_aka_isKeyAvailable(struct eap_sm *sm, void *priv)
+{
+	struct eap_aka_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+static u8 * eap_aka_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_aka_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_SIM_KEYING_DATA_LEN);
+	if (key == NULL)
+		return NULL;
+
+	*len = EAP_SIM_KEYING_DATA_LEN;
+	os_memcpy(key, data->msk, EAP_SIM_KEYING_DATA_LEN);
+
+	return key;
+}
+
+
+static u8 * eap_aka_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_aka_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_EMSK_LEN);
+	if (key == NULL)
+		return NULL;
+
+	*len = EAP_EMSK_LEN;
+	os_memcpy(key, data->emsk, EAP_EMSK_LEN);
+
+	return key;
+}
+
+
+int eap_peer_aka_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_IETF, EAP_TYPE_AKA, "AKA");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_aka_init;
+	eap->deinit = eap_aka_deinit;
+	eap->process = eap_aka_process;
+	eap->isKeyAvailable = eap_aka_isKeyAvailable;
+	eap->getKey = eap_aka_getKey;
+	eap->has_reauth_data = eap_aka_has_reauth_data;
+	eap->deinit_for_reauth = eap_aka_deinit_for_reauth;
+	eap->init_for_reauth = eap_aka_init_for_reauth;
+	eap->get_identity = eap_aka_get_identity;
+	eap->get_emsk = eap_aka_get_emsk;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
+
+
+#ifdef EAP_AKA_PRIME
+int eap_peer_aka_prime_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME,
+				    "AKA'");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_aka_prime_init;
+	eap->deinit = eap_aka_deinit;
+	eap->process = eap_aka_process;
+	eap->isKeyAvailable = eap_aka_isKeyAvailable;
+	eap->getKey = eap_aka_getKey;
+	eap->has_reauth_data = eap_aka_has_reauth_data;
+	eap->deinit_for_reauth = eap_aka_deinit_for_reauth;
+	eap->init_for_reauth = eap_aka_init_for_reauth;
+	eap->get_identity = eap_aka_get_identity;
+	eap->get_emsk = eap_aka_get_emsk;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+
+	return ret;
+}
+#endif /* EAP_AKA_PRIME */
diff --git a/src/eap_peer/eap_config.h b/src/eap_peer/eap_config.h
new file mode 100644
index 0000000..b64b68f
--- /dev/null
+++ b/src/eap_peer/eap_config.h
@@ -0,0 +1,669 @@
+/*
+ * EAP peer configuration data
+ * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_CONFIG_H
+#define EAP_CONFIG_H
+
+/**
+ * struct eap_peer_config - EAP peer configuration/credentials
+ */
+struct eap_peer_config {
+	/**
+	 * identity - EAP Identity
+	 *
+	 * This field is used to set the real user identity or NAI (for
+	 * EAP-PSK/PAX/SAKE/GPSK).
+	 */
+	u8 *identity;
+
+	/**
+	 * identity_len - EAP Identity length
+	 */
+	size_t identity_len;
+
+	/**
+	 * anonymous_identity -  Anonymous EAP Identity
+	 *
+	 * This field is used for unencrypted use with EAP types that support
+	 * different tunnelled identity, e.g., EAP-TTLS, in order to reveal the
+	 * real identity (identity field) only to the authentication server.
+	 *
+	 * If not set, the identity field will be used for both unencrypted and
+	 * protected fields.
+	 */
+	u8 *anonymous_identity;
+
+	/**
+	 * anonymous_identity_len - Length of anonymous_identity
+	 */
+	size_t anonymous_identity_len;
+
+	/**
+	 * password - Password string for EAP
+	 *
+	 * This field can include either the plaintext password (default
+	 * option) or a NtPasswordHash (16-byte MD4 hash of the unicode
+	 * presentation of the password) if flags field has
+	 * EAP_CONFIG_FLAGS_PASSWORD_NTHASH bit set to 1. NtPasswordHash can
+	 * only be used with authentication mechanism that use this hash as the
+	 * starting point for operation: MSCHAP and MSCHAPv2 (EAP-MSCHAPv2,
+	 * EAP-TTLS/MSCHAPv2, EAP-TTLS/MSCHAP, LEAP).
+	 *
+	 * In addition, this field is used to configure a pre-shared key for
+	 * EAP-PSK/PAX/SAKE/GPSK. The length of the PSK must be 16 for EAP-PSK
+	 * and EAP-PAX and 32 for EAP-SAKE. EAP-GPSK can use a variable length
+	 * PSK.
+	 */
+	u8 *password;
+
+	/**
+	 * password_len - Length of password field
+	 */
+	size_t password_len;
+
+	/**
+	 * ca_cert - File path to CA certificate file (PEM/DER)
+	 *
+	 * This file can have one or more trusted CA certificates. If ca_cert
+	 * and ca_path are not included, server certificate will not be
+	 * verified. This is insecure and a trusted CA certificate should
+	 * always be configured when using EAP-TLS/TTLS/PEAP. Full path to the
+	 * file should be used since working directory may change when
+	 * wpa_supplicant is run in the background.
+	 *
+	 * Alternatively, a named configuration blob can be used by setting
+	 * this to blob://blob_name.
+	 *
+	 * Alternatively, this can be used to only perform matching of the
+	 * server certificate (SHA-256 hash of the DER encoded X.509
+	 * certificate). In this case, the possible CA certificates in the
+	 * server certificate chain are ignored and only the server certificate
+	 * is verified. This is configured with the following format:
+	 * hash:://server/sha256/cert_hash_in_hex
+	 * For example: "hash://server/sha256/
+	 * 5a1bc1296205e6fdbe3979728efe3920798885c1c4590b5f90f43222d239ca6a"
+	 *
+	 * On Windows, trusted CA certificates can be loaded from the system
+	 * certificate store by setting this to cert_store://name, e.g.,
+	 * ca_cert="cert_store://CA" or ca_cert="cert_store://ROOT".
+	 * Note that when running wpa_supplicant as an application, the user
+	 * certificate store (My user account) is used, whereas computer store
+	 * (Computer account) is used when running wpasvc as a service.
+	 */
+	u8 *ca_cert;
+
+	/**
+	 * ca_path - Directory path for CA certificate files (PEM)
+	 *
+	 * This path may contain multiple CA certificates in OpenSSL format.
+	 * Common use for this is to point to system trusted CA list which is
+	 * often installed into directory like /etc/ssl/certs. If configured,
+	 * these certificates are added to the list of trusted CAs. ca_cert
+	 * may also be included in that case, but it is not required.
+	 */
+	u8 *ca_path;
+
+	/**
+	 * client_cert - File path to client certificate file (PEM/DER)
+	 *
+	 * This field is used with EAP method that use TLS authentication.
+	 * Usually, this is only configured for EAP-TLS, even though this could
+	 * in theory be used with EAP-TTLS and EAP-PEAP, too. Full path to the
+	 * file should be used since working directory may change when
+	 * wpa_supplicant is run in the background.
+	 *
+	 * Alternatively, a named configuration blob can be used by setting
+	 * this to blob://blob_name.
+	 */
+	u8 *client_cert;
+
+	/**
+	 * private_key - File path to client private key file (PEM/DER/PFX)
+	 *
+	 * When PKCS#12/PFX file (.p12/.pfx) is used, client_cert should be
+	 * commented out. Both the private key and certificate will be read
+	 * from the PKCS#12 file in this case. Full path to the file should be
+	 * used since working directory may change when wpa_supplicant is run
+	 * in the background.
+	 *
+	 * Windows certificate store can be used by leaving client_cert out and
+	 * configuring private_key in one of the following formats:
+	 *
+	 * cert://substring_to_match
+	 *
+	 * hash://certificate_thumbprint_in_hex
+	 *
+	 * For example: private_key="hash://63093aa9c47f56ae88334c7b65a4"
+	 *
+	 * Note that when running wpa_supplicant as an application, the user
+	 * certificate store (My user account) is used, whereas computer store
+	 * (Computer account) is used when running wpasvc as a service.
+	 *
+	 * Alternatively, a named configuration blob can be used by setting
+	 * this to blob://blob_name.
+	 */
+	u8 *private_key;
+
+	/**
+	 * private_key_passwd - Password for private key file
+	 *
+	 * If left out, this will be asked through control interface.
+	 */
+	u8 *private_key_passwd;
+
+	/**
+	 * dh_file - File path to DH/DSA parameters file (in PEM format)
+	 *
+	 * This is an optional configuration file for setting parameters for an
+	 * ephemeral DH key exchange. In most cases, the default RSA
+	 * authentication does not use this configuration. However, it is
+	 * possible setup RSA to use ephemeral DH key exchange. In addition,
+	 * ciphers with DSA keys always use ephemeral DH keys. This can be used
+	 * to achieve forward secrecy. If the file is in DSA parameters format,
+	 * it will be automatically converted into DH params. Full path to the
+	 * file should be used since working directory may change when
+	 * wpa_supplicant is run in the background.
+	 *
+	 * Alternatively, a named configuration blob can be used by setting
+	 * this to blob://blob_name.
+	 */
+	u8 *dh_file;
+
+	/**
+	 * subject_match - Constraint for server certificate subject
+	 *
+	 * This substring is matched against the subject of the authentication
+	 * server certificate. If this string is set, the server sertificate is
+	 * only accepted if it contains this string in the subject. The subject
+	 * string is in following format:
+	 *
+	 * /C=US/ST=CA/L=San Francisco/CN=Test AS/emailAddress=as@n.example.com
+	 */
+	u8 *subject_match;
+
+	/**
+	 * altsubject_match - Constraint for server certificate alt. subject
+	 *
+	 * Semicolon separated string of entries to be matched against the
+	 * alternative subject name of the authentication server certificate.
+	 * If this string is set, the server sertificate is only accepted if it
+	 * contains one of the entries in an alternative subject name
+	 * extension.
+	 *
+	 * altSubjectName string is in following format: TYPE:VALUE
+	 *
+	 * Example: EMAIL:server@example.com
+	 * Example: DNS:server.example.com;DNS:server2.example.com
+	 *
+	 * Following types are supported: EMAIL, DNS, URI
+	 */
+	u8 *altsubject_match;
+
+	/**
+	 * ca_cert2 - File path to CA certificate file (PEM/DER) (Phase 2)
+	 *
+	 * This file can have one or more trusted CA certificates. If ca_cert2
+	 * and ca_path2 are not included, server certificate will not be
+	 * verified. This is insecure and a trusted CA certificate should
+	 * always be configured. Full path to the file should be used since
+	 * working directory may change when wpa_supplicant is run in the
+	 * background.
+	 *
+	 * This field is like ca_cert, but used for phase 2 (inside
+	 * EAP-TTLS/PEAP/FAST tunnel) authentication.
+	 *
+	 * Alternatively, a named configuration blob can be used by setting
+	 * this to blob://blob_name.
+	 */
+	u8 *ca_cert2;
+
+	/**
+	 * ca_path2 - Directory path for CA certificate files (PEM) (Phase 2)
+	 *
+	 * This path may contain multiple CA certificates in OpenSSL format.
+	 * Common use for this is to point to system trusted CA list which is
+	 * often installed into directory like /etc/ssl/certs. If configured,
+	 * these certificates are added to the list of trusted CAs. ca_cert
+	 * may also be included in that case, but it is not required.
+	 *
+	 * This field is like ca_path, but used for phase 2 (inside
+	 * EAP-TTLS/PEAP/FAST tunnel) authentication.
+	 */
+	u8 *ca_path2;
+
+	/**
+	 * client_cert2 - File path to client certificate file
+	 *
+	 * This field is like client_cert, but used for phase 2 (inside
+	 * EAP-TTLS/PEAP/FAST tunnel) authentication. Full path to the
+	 * file should be used since working directory may change when
+	 * wpa_supplicant is run in the background.
+	 *
+	 * Alternatively, a named configuration blob can be used by setting
+	 * this to blob://blob_name.
+	 */
+	u8 *client_cert2;
+
+	/**
+	 * private_key2 - File path to client private key file
+	 *
+	 * This field is like private_key, but used for phase 2 (inside
+	 * EAP-TTLS/PEAP/FAST tunnel) authentication. Full path to the
+	 * file should be used since working directory may change when
+	 * wpa_supplicant is run in the background.
+	 *
+	 * Alternatively, a named configuration blob can be used by setting
+	 * this to blob://blob_name.
+	 */
+	u8 *private_key2;
+
+	/**
+	 * private_key2_passwd -  Password for private key file
+	 *
+	 * This field is like private_key_passwd, but used for phase 2 (inside
+	 * EAP-TTLS/PEAP/FAST tunnel) authentication.
+	 */
+	u8 *private_key2_passwd;
+
+	/**
+	 * dh_file2 - File path to DH/DSA parameters file (in PEM format)
+	 *
+	 * This field is like dh_file, but used for phase 2 (inside
+	 * EAP-TTLS/PEAP/FAST tunnel) authentication. Full path to the
+	 * file should be used since working directory may change when
+	 * wpa_supplicant is run in the background.
+	 *
+	 * Alternatively, a named configuration blob can be used by setting
+	 * this to blob://blob_name.
+	 */
+	u8 *dh_file2;
+
+	/**
+	 * subject_match2 - Constraint for server certificate subject
+	 *
+	 * This field is like subject_match, but used for phase 2 (inside
+	 * EAP-TTLS/PEAP/FAST tunnel) authentication.
+	 */
+	u8 *subject_match2;
+
+	/**
+	 * altsubject_match2 - Constraint for server certificate alt. subject
+	 *
+	 * This field is like altsubject_match, but used for phase 2 (inside
+	 * EAP-TTLS/PEAP/FAST tunnel) authentication.
+	 */
+	u8 *altsubject_match2;
+
+	/**
+	 * eap_methods - Allowed EAP methods
+	 *
+	 * (vendor=EAP_VENDOR_IETF,method=EAP_TYPE_NONE) terminated list of
+	 * allowed EAP methods or %NULL if all methods are accepted.
+	 */
+	struct eap_method_type *eap_methods;
+
+	/**
+	 * phase1 - Phase 1 (outer authentication) parameters
+	 *
+	 * String with field-value pairs, e.g., "peapver=0" or
+	 * "peapver=1 peaplabel=1".
+	 *
+	 * 'peapver' can be used to force which PEAP version (0 or 1) is used.
+	 *
+	 * 'peaplabel=1' can be used to force new label, "client PEAP
+	 * encryption",	to be used during key derivation when PEAPv1 or newer.
+	 *
+	 * Most existing PEAPv1 implementation seem to be using the old label,
+	 * "client EAP encryption", and wpa_supplicant is now using that as the
+	 * default value.
+	 *
+	 * Some servers, e.g., Radiator, may require peaplabel=1 configuration
+	 * to interoperate with PEAPv1; see eap_testing.txt for more details.
+	 *
+	 * 'peap_outer_success=0' can be used to terminate PEAP authentication
+	 * on tunneled EAP-Success. This is required with some RADIUS servers
+	 * that implement draft-josefsson-pppext-eap-tls-eap-05.txt (e.g.,
+	 * Lucent NavisRadius v4.4.0 with PEAP in "IETF Draft 5" mode).
+	 *
+	 * include_tls_length=1 can be used to force wpa_supplicant to include
+	 * TLS Message Length field in all TLS messages even if they are not
+	 * fragmented.
+	 *
+	 * sim_min_num_chal=3 can be used to configure EAP-SIM to require three
+	 * challenges (by default, it accepts 2 or 3).
+	 *
+	 * result_ind=1 can be used to enable EAP-SIM and EAP-AKA to use
+	 * protected result indication.
+	 *
+	 * fast_provisioning option can be used to enable in-line provisioning
+	 * of EAP-FAST credentials (PAC):
+	 * 0 = disabled,
+	 * 1 = allow unauthenticated provisioning,
+	 * 2 = allow authenticated provisioning,
+	 * 3 = allow both unauthenticated and authenticated provisioning
+	 *
+	 * fast_max_pac_list_len=num option can be used to set the maximum
+	 * number of PAC entries to store in a PAC list (default: 10).
+	 *
+	 * fast_pac_format=binary option can be used to select binary format
+	 * for storing PAC entries in order to save some space (the default
+	 * text format uses about 2.5 times the size of minimal binary format).
+	 *
+	 * crypto_binding option can be used to control PEAPv0 cryptobinding
+	 * behavior:
+	 * 0 = do not use cryptobinding (default)
+	 * 1 = use cryptobinding if server supports it
+	 * 2 = require cryptobinding
+	 *
+	 * EAP-WSC (WPS) uses following options: pin=Device_Password and
+	 * uuid=Device_UUID
+	 */
+	char *phase1;
+
+	/**
+	 * phase2 - Phase2 (inner authentication with TLS tunnel) parameters
+	 *
+	 * String with field-value pairs, e.g., "auth=MSCHAPV2" for EAP-PEAP or
+	 * "autheap=MSCHAPV2 autheap=MD5" for EAP-TTLS.
+	 */
+	char *phase2;
+
+	/**
+	 * pcsc - Parameters for PC/SC smartcard interface for USIM and GSM SIM
+	 *
+	 * This field is used to configure PC/SC smartcard interface.
+	 * Currently, the only configuration is whether this field is %NULL (do
+	 * not use PC/SC) or non-NULL (e.g., "") to enable PC/SC.
+	 *
+	 * This field is used for EAP-SIM and EAP-AKA.
+	 */
+	char *pcsc;
+
+	/**
+	 * pin - PIN for USIM, GSM SIM, and smartcards
+	 *
+	 * This field is used to configure PIN for SIM and smartcards for
+	 * EAP-SIM and EAP-AKA. In addition, this is used with EAP-TLS if a
+	 * smartcard is used for private key operations.
+	 *
+	 * If left out, this will be asked through control interface.
+	 */
+	char *pin;
+
+	/**
+	 * engine - Enable OpenSSL engine (e.g., for smartcard access)
+	 *
+	 * This is used if private key operations for EAP-TLS are performed
+	 * using a smartcard.
+	 */
+	int engine;
+
+	/**
+	 * engine_id - Engine ID for OpenSSL engine
+	 *
+	 * "opensc" to select OpenSC engine or "pkcs11" to select PKCS#11
+	 * engine.
+	 *
+	 * This is used if private key operations for EAP-TLS are performed
+	 * using a smartcard.
+	 */
+	char *engine_id;
+
+	/**
+	 * engine2 - Enable OpenSSL engine (e.g., for smartcard) (Phase 2)
+	 *
+	 * This is used if private key operations for EAP-TLS are performed
+	 * using a smartcard.
+	 *
+	 * This field is like engine, but used for phase 2 (inside
+	 * EAP-TTLS/PEAP/FAST tunnel) authentication.
+	 */
+	int engine2;
+
+
+	/**
+	 * pin2 - PIN for USIM, GSM SIM, and smartcards (Phase 2)
+	 *
+	 * This field is used to configure PIN for SIM and smartcards for
+	 * EAP-SIM and EAP-AKA. In addition, this is used with EAP-TLS if a
+	 * smartcard is used for private key operations.
+	 *
+	 * This field is like pin2, but used for phase 2 (inside
+	 * EAP-TTLS/PEAP/FAST tunnel) authentication.
+	 *
+	 * If left out, this will be asked through control interface.
+	 */
+	char *pin2;
+
+	/**
+	 * engine2_id - Engine ID for OpenSSL engine (Phase 2)
+	 *
+	 * "opensc" to select OpenSC engine or "pkcs11" to select PKCS#11
+	 * engine.
+	 *
+	 * This is used if private key operations for EAP-TLS are performed
+	 * using a smartcard.
+	 *
+	 * This field is like engine_id, but used for phase 2 (inside
+	 * EAP-TTLS/PEAP/FAST tunnel) authentication.
+	 */
+	char *engine2_id;
+
+
+	/**
+	 * key_id - Key ID for OpenSSL engine
+	 *
+	 * This is used if private key operations for EAP-TLS are performed
+	 * using a smartcard.
+	 */
+	char *key_id;
+
+	/**
+	 * cert_id - Cert ID for OpenSSL engine
+	 *
+	 * This is used if the certificate operations for EAP-TLS are performed
+	 * using a smartcard.
+	 */
+	char *cert_id;
+
+	/**
+	 * ca_cert_id - CA Cert ID for OpenSSL engine
+	 *
+	 * This is used if the CA certificate for EAP-TLS is on a smartcard.
+	 */
+	char *ca_cert_id;
+
+	/**
+	 * key2_id - Key ID for OpenSSL engine (phase2)
+	 *
+	 * This is used if private key operations for EAP-TLS are performed
+	 * using a smartcard.
+	 */
+	char *key2_id;
+
+	/**
+	 * cert2_id - Cert ID for OpenSSL engine (phase2)
+	 *
+	 * This is used if the certificate operations for EAP-TLS are performed
+	 * using a smartcard.
+	 */
+	char *cert2_id;
+
+	/**
+	 * ca_cert2_id - CA Cert ID for OpenSSL engine (phase2)
+	 *
+	 * This is used if the CA certificate for EAP-TLS is on a smartcard.
+	 */
+	char *ca_cert2_id;
+
+	/**
+	 * otp - One-time-password
+	 *
+	 * This field should not be set in configuration step. It is only used
+	 * internally when OTP is entered through the control interface.
+	 */
+	u8 *otp;
+
+	/**
+	 * otp_len - Length of the otp field
+	 */
+	size_t otp_len;
+
+	/**
+	 * pending_req_identity - Whether there is a pending identity request
+	 *
+	 * This field should not be set in configuration step. It is only used
+	 * internally when control interface is used to request needed
+	 * information.
+	 */
+	int pending_req_identity;
+
+	/**
+	 * pending_req_password - Whether there is a pending password request
+	 *
+	 * This field should not be set in configuration step. It is only used
+	 * internally when control interface is used to request needed
+	 * information.
+	 */
+	int pending_req_password;
+
+	/**
+	 * pending_req_pin - Whether there is a pending PIN request
+	 *
+	 * This field should not be set in configuration step. It is only used
+	 * internally when control interface is used to request needed
+	 * information.
+	 */
+	int pending_req_pin;
+
+	/**
+	 * pending_req_new_password - Pending password update request
+	 *
+	 * This field should not be set in configuration step. It is only used
+	 * internally when control interface is used to request needed
+	 * information.
+	 */
+	int pending_req_new_password;
+
+	/**
+	 * pending_req_passphrase - Pending passphrase request
+	 *
+	 * This field should not be set in configuration step. It is only used
+	 * internally when control interface is used to request needed
+	 * information.
+	 */
+	int pending_req_passphrase;
+
+	/**
+	 * pending_req_otp - Whether there is a pending OTP request
+	 *
+	 * This field should not be set in configuration step. It is only used
+	 * internally when control interface is used to request needed
+	 * information.
+	 */
+	char *pending_req_otp;
+
+	/**
+	 * pending_req_otp_len - Length of the pending OTP request
+	 */
+	size_t pending_req_otp_len;
+
+	/**
+	 * pac_file - File path or blob name for the PAC entries (EAP-FAST)
+	 *
+	 * wpa_supplicant will need to be able to create this file and write
+	 * updates to it when PAC is being provisioned or refreshed. Full path
+	 * to the file should be used since working directory may change when
+	 * wpa_supplicant is run in the background.
+	 * Alternatively, a named configuration blob can be used by setting
+	 * this to blob://blob_name.
+	 */
+	char *pac_file;
+
+	/**
+	 * mschapv2_retry - MSCHAPv2 retry in progress
+	 *
+	 * This field is used internally by EAP-MSCHAPv2 and should not be set
+	 * as part of configuration.
+	 */
+	int mschapv2_retry;
+
+	/**
+	 * new_password - New password for password update
+	 *
+	 * This field is used during MSCHAPv2 password update. This is normally
+	 * requested from the user through the control interface and not set
+	 * from configuration.
+	 */
+	u8 *new_password;
+
+	/**
+	 * new_password_len - Length of new_password field
+	 */
+	size_t new_password_len;
+
+	/**
+	 * fragment_size - Maximum EAP fragment size in bytes (default 1398)
+	 *
+	 * This value limits the fragment size for EAP methods that support
+	 * fragmentation (e.g., EAP-TLS and EAP-PEAP). This value should be set
+	 * small enough to make the EAP messages fit in MTU of the network
+	 * interface used for EAPOL. The default value is suitable for most
+	 * cases.
+	 */
+	int fragment_size;
+
+#define EAP_CONFIG_FLAGS_PASSWORD_NTHASH BIT(0)
+	/**
+	 * flags - Network configuration flags (bitfield)
+	 *
+	 * This variable is used for internal flags to describe further details
+	 * for the network parameters.
+	 * bit 0 = password is represented as a 16-byte NtPasswordHash value
+	 *         instead of plaintext password
+	 */
+	u32 flags;
+};
+
+
+/**
+ * struct wpa_config_blob - Named configuration blob
+ *
+ * This data structure is used to provide storage for binary objects to store
+ * abstract information like certificates and private keys inlined with the
+ * configuration data.
+ */
+struct wpa_config_blob {
+	/**
+	 * name - Blob name
+	 */
+	char *name;
+
+	/**
+	 * data - Pointer to binary data
+	 */
+	u8 *data;
+
+	/**
+	 * len - Length of binary data
+	 */
+	size_t len;
+
+	/**
+	 * next - Pointer to next blob in the configuration
+	 */
+	struct wpa_config_blob *next;
+};
+
+#endif /* EAP_CONFIG_H */
diff --git a/src/eap_peer/eap_fast.c b/src/eap_peer/eap_fast.c
new file mode 100644
index 0000000..5d3e69d
--- /dev/null
+++ b/src/eap_peer/eap_fast.c
@@ -0,0 +1,1712 @@
+/*
+ * EAP peer method: EAP-FAST (RFC 4851)
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/tls.h"
+#include "crypto/sha1.h"
+#include "eap_common/eap_tlv_common.h"
+#include "eap_i.h"
+#include "eap_tls_common.h"
+#include "eap_config.h"
+#include "eap_fast_pac.h"
+
+#ifdef EAP_FAST_DYNAMIC
+#include "eap_fast_pac.c"
+#endif /* EAP_FAST_DYNAMIC */
+
+/* TODO:
+ * - test session resumption and enable it if it interoperates
+ * - password change (pending mschapv2 packet; replay decrypted packet)
+ */
+
+
+static void eap_fast_deinit(struct eap_sm *sm, void *priv);
+
+
+struct eap_fast_data {
+	struct eap_ssl_data ssl;
+
+	int fast_version;
+
+	const struct eap_method *phase2_method;
+	void *phase2_priv;
+	int phase2_success;
+
+	struct eap_method_type phase2_type;
+	struct eap_method_type *phase2_types;
+	size_t num_phase2_types;
+	int resuming; /* starting a resumed session */
+	struct eap_fast_key_block_provisioning *key_block_p;
+#define EAP_FAST_PROV_UNAUTH 1
+#define EAP_FAST_PROV_AUTH 2
+	int provisioning_allowed; /* Allowed PAC provisioning modes */
+	int provisioning; /* doing PAC provisioning (not the normal auth) */
+	int anon_provisioning; /* doing anonymous (unauthenticated)
+				* provisioning */
+	int session_ticket_used;
+
+	u8 key_data[EAP_FAST_KEY_LEN];
+	u8 emsk[EAP_EMSK_LEN];
+	int success;
+
+	struct eap_fast_pac *pac;
+	struct eap_fast_pac *current_pac;
+	size_t max_pac_list_len;
+	int use_pac_binary_format;
+
+	u8 simck[EAP_FAST_SIMCK_LEN];
+	int simck_idx;
+
+	struct wpabuf *pending_phase2_req;
+};
+
+
+static int eap_fast_session_ticket_cb(void *ctx, const u8 *ticket, size_t len,
+				      const u8 *client_random,
+				      const u8 *server_random,
+				      u8 *master_secret)
+{
+	struct eap_fast_data *data = ctx;
+
+	wpa_printf(MSG_DEBUG, "EAP-FAST: SessionTicket callback");
+
+	if (client_random == NULL || server_random == NULL ||
+	    master_secret == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: SessionTicket failed - fall "
+			   "back to full TLS handshake");
+		data->session_ticket_used = 0;
+		if (data->provisioning_allowed) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Try to provision a "
+				   "new PAC-Key");
+			data->provisioning = 1;
+			data->current_pac = NULL;
+		}
+		return 0;
+	}
+
+	wpa_hexdump(MSG_DEBUG, "EAP-FAST: SessionTicket", ticket, len);
+
+	if (data->current_pac == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: No PAC-Key available for "
+			   "using SessionTicket");
+		data->session_ticket_used = 0;
+		return 0;
+	}
+
+	eap_fast_derive_master_secret(data->current_pac->pac_key,
+				      server_random, client_random,
+				      master_secret);
+
+	data->session_ticket_used = 1;
+
+	return 1;
+}
+
+
+static int eap_fast_parse_phase1(struct eap_fast_data *data,
+				 const char *phase1)
+{
+	const char *pos;
+
+	pos = os_strstr(phase1, "fast_provisioning=");
+	if (pos) {
+		data->provisioning_allowed = atoi(pos + 18);
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Automatic PAC provisioning "
+			   "mode: %d", data->provisioning_allowed);
+	}
+
+	pos = os_strstr(phase1, "fast_max_pac_list_len=");
+	if (pos) {
+		data->max_pac_list_len = atoi(pos + 22);
+		if (data->max_pac_list_len == 0)
+			data->max_pac_list_len = 1;
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Maximum PAC list length: %lu",
+			   (unsigned long) data->max_pac_list_len);
+	}
+
+	pos = os_strstr(phase1, "fast_pac_format=binary");
+	if (pos) {
+		data->use_pac_binary_format = 1;
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Using binary format for PAC "
+			   "list");
+	}
+
+	return 0;
+}
+
+
+static void * eap_fast_init(struct eap_sm *sm)
+{
+	struct eap_fast_data *data;
+	struct eap_peer_config *config = eap_get_config(sm);
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->fast_version = EAP_FAST_VERSION;
+	data->max_pac_list_len = 10;
+
+	if (config && config->phase1 &&
+	    eap_fast_parse_phase1(data, config->phase1) < 0) {
+		eap_fast_deinit(sm, data);
+		return NULL;
+	}
+
+	if (eap_peer_select_phase2_methods(config, "auth=",
+					   &data->phase2_types,
+					   &data->num_phase2_types) < 0) {
+		eap_fast_deinit(sm, data);
+		return NULL;
+	}
+
+	data->phase2_type.vendor = EAP_VENDOR_IETF;
+	data->phase2_type.method = EAP_TYPE_NONE;
+
+	if (eap_peer_tls_ssl_init(sm, &data->ssl, config)) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Failed to initialize SSL.");
+		eap_fast_deinit(sm, data);
+		return NULL;
+	}
+
+	if (tls_connection_set_session_ticket_cb(sm->ssl_ctx, data->ssl.conn,
+						 eap_fast_session_ticket_cb,
+						 data) < 0) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Failed to set SessionTicket "
+			   "callback");
+		eap_fast_deinit(sm, data);
+		return NULL;
+	}
+
+	/*
+	 * The local RADIUS server in a Cisco AP does not seem to like empty
+	 * fragments before data, so disable that workaround for CBC.
+	 * TODO: consider making this configurable
+	 */
+	if (tls_connection_enable_workaround(sm->ssl_ctx, data->ssl.conn)) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Failed to enable TLS "
+			   "workarounds");
+	}
+
+	if (data->use_pac_binary_format &&
+	    eap_fast_load_pac_bin(sm, &data->pac, config->pac_file) < 0) {
+		eap_fast_deinit(sm, data);
+		return NULL;
+	}
+
+	if (!data->use_pac_binary_format &&
+	    eap_fast_load_pac(sm, &data->pac, config->pac_file) < 0) {
+		eap_fast_deinit(sm, data);
+		return NULL;
+	}
+	eap_fast_pac_list_truncate(data->pac, data->max_pac_list_len);
+
+	if (data->pac == NULL && !data->provisioning_allowed) {
+		wpa_printf(MSG_INFO, "EAP-FAST: No PAC configured and "
+			   "provisioning disabled");
+		eap_fast_deinit(sm, data);
+		return NULL;
+	}
+
+	return data;
+}
+
+
+static void eap_fast_deinit(struct eap_sm *sm, void *priv)
+{
+	struct eap_fast_data *data = priv;
+	struct eap_fast_pac *pac, *prev;
+
+	if (data == NULL)
+		return;
+	if (data->phase2_priv && data->phase2_method)
+		data->phase2_method->deinit(sm, data->phase2_priv);
+	os_free(data->phase2_types);
+	os_free(data->key_block_p);
+	eap_peer_tls_ssl_deinit(sm, &data->ssl);
+
+	pac = data->pac;
+	prev = NULL;
+	while (pac) {
+		prev = pac;
+		pac = pac->next;
+		eap_fast_free_pac(prev);
+	}
+	wpabuf_free(data->pending_phase2_req);
+	os_free(data);
+}
+
+
+static int eap_fast_derive_msk(struct eap_fast_data *data)
+{
+	eap_fast_derive_eap_msk(data->simck, data->key_data);
+	eap_fast_derive_eap_emsk(data->simck, data->emsk);
+	data->success = 1;
+	return 0;
+}
+
+
+static void eap_fast_derive_key_auth(struct eap_sm *sm,
+				     struct eap_fast_data *data)
+{
+	u8 *sks;
+
+	/* RFC 4851, Section 5.1:
+	 * Extra key material after TLS key_block: session_key_seed[40]
+	 */
+
+	sks = eap_fast_derive_key(sm->ssl_ctx, data->ssl.conn, "key expansion",
+				  EAP_FAST_SKS_LEN);
+	if (sks == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Failed to derive "
+			   "session_key_seed");
+		return;
+	}
+
+	/*
+	 * RFC 4851, Section 5.2:
+	 * S-IMCK[0] = session_key_seed
+	 */
+	wpa_hexdump_key(MSG_DEBUG,
+			"EAP-FAST: session_key_seed (SKS = S-IMCK[0])",
+			sks, EAP_FAST_SKS_LEN);
+	data->simck_idx = 0;
+	os_memcpy(data->simck, sks, EAP_FAST_SIMCK_LEN);
+	os_free(sks);
+}
+
+
+static void eap_fast_derive_key_provisioning(struct eap_sm *sm,
+					     struct eap_fast_data *data)
+{
+	os_free(data->key_block_p);
+	data->key_block_p = (struct eap_fast_key_block_provisioning *)
+		eap_fast_derive_key(sm->ssl_ctx, data->ssl.conn,
+				    "key expansion",
+				    sizeof(*data->key_block_p));
+	if (data->key_block_p == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Failed to derive key block");
+		return;
+	}
+	/*
+	 * RFC 4851, Section 5.2:
+	 * S-IMCK[0] = session_key_seed
+	 */
+	wpa_hexdump_key(MSG_DEBUG,
+			"EAP-FAST: session_key_seed (SKS = S-IMCK[0])",
+			data->key_block_p->session_key_seed,
+			sizeof(data->key_block_p->session_key_seed));
+	data->simck_idx = 0;
+	os_memcpy(data->simck, data->key_block_p->session_key_seed,
+		  EAP_FAST_SIMCK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-FAST: server_challenge",
+			data->key_block_p->server_challenge,
+			sizeof(data->key_block_p->server_challenge));
+	wpa_hexdump_key(MSG_DEBUG, "EAP-FAST: client_challenge",
+			data->key_block_p->client_challenge,
+			sizeof(data->key_block_p->client_challenge));
+}
+
+
+static void eap_fast_derive_keys(struct eap_sm *sm, struct eap_fast_data *data)
+{
+	if (data->anon_provisioning)
+		eap_fast_derive_key_provisioning(sm, data);
+	else
+		eap_fast_derive_key_auth(sm, data);
+}
+
+
+static int eap_fast_init_phase2_method(struct eap_sm *sm,
+				       struct eap_fast_data *data)
+{
+	data->phase2_method =
+		eap_peer_get_eap_method(data->phase2_type.vendor,
+					data->phase2_type.method);
+	if (data->phase2_method == NULL)
+		return -1;
+
+	if (data->key_block_p) {
+		sm->auth_challenge = data->key_block_p->server_challenge;
+		sm->peer_challenge = data->key_block_p->client_challenge;
+	}
+	sm->init_phase2 = 1;
+	data->phase2_priv = data->phase2_method->init(sm);
+	sm->init_phase2 = 0;
+	sm->auth_challenge = NULL;
+	sm->peer_challenge = NULL;
+
+	return data->phase2_priv == NULL ? -1 : 0;
+}
+
+
+static int eap_fast_select_phase2_method(struct eap_fast_data *data, u8 type)
+{
+	size_t i;
+
+	/* TODO: TNC with anonymous provisioning; need to require both
+	 * completed MSCHAPv2 and TNC */
+
+	if (data->anon_provisioning && type != EAP_TYPE_MSCHAPV2) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Only EAP-MSCHAPv2 is allowed "
+			   "during unauthenticated provisioning; reject phase2"
+			   " type %d", type);
+		return -1;
+	}
+
+#ifdef EAP_TNC
+	if (type == EAP_TYPE_TNC) {
+		data->phase2_type.vendor = EAP_VENDOR_IETF;
+		data->phase2_type.method = EAP_TYPE_TNC;
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Selected Phase 2 EAP "
+			   "vendor %d method %d for TNC",
+			   data->phase2_type.vendor,
+			   data->phase2_type.method);
+		return 0;
+	}
+#endif /* EAP_TNC */
+
+	for (i = 0; i < data->num_phase2_types; i++) {
+		if (data->phase2_types[i].vendor != EAP_VENDOR_IETF ||
+		    data->phase2_types[i].method != type)
+			continue;
+
+		data->phase2_type.vendor = data->phase2_types[i].vendor;
+		data->phase2_type.method = data->phase2_types[i].method;
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Selected Phase 2 EAP "
+			   "vendor %d method %d",
+			   data->phase2_type.vendor,
+			   data->phase2_type.method);
+		break;
+	}
+
+	if (type != data->phase2_type.method || type == EAP_TYPE_NONE)
+		return -1;
+
+	return 0;
+}
+
+
+static int eap_fast_phase2_request(struct eap_sm *sm,
+				   struct eap_fast_data *data,
+				   struct eap_method_ret *ret,
+				   struct eap_hdr *hdr,
+				   struct wpabuf **resp)
+{
+	size_t len = be_to_host16(hdr->length);
+	u8 *pos;
+	struct eap_method_ret iret;
+	struct eap_peer_config *config = eap_get_config(sm);
+	struct wpabuf msg;
+
+	if (len <= sizeof(struct eap_hdr)) {
+		wpa_printf(MSG_INFO, "EAP-FAST: too short "
+			   "Phase 2 request (len=%lu)", (unsigned long) len);
+		return -1;
+	}
+	pos = (u8 *) (hdr + 1);
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Phase 2 Request: type=%d", *pos);
+	if (*pos == EAP_TYPE_IDENTITY) {
+		*resp = eap_sm_buildIdentity(sm, hdr->identifier, 1);
+		return 0;
+	}
+
+	if (data->phase2_priv && data->phase2_method &&
+	    *pos != data->phase2_type.method) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Phase 2 EAP sequence - "
+			   "deinitialize previous method");
+		data->phase2_method->deinit(sm, data->phase2_priv);
+		data->phase2_method = NULL;
+		data->phase2_priv = NULL;
+		data->phase2_type.vendor = EAP_VENDOR_IETF;
+		data->phase2_type.method = EAP_TYPE_NONE;
+	}
+
+	if (data->phase2_type.vendor == EAP_VENDOR_IETF &&
+	    data->phase2_type.method == EAP_TYPE_NONE &&
+	    eap_fast_select_phase2_method(data, *pos) < 0) {
+		if (eap_peer_tls_phase2_nak(data->phase2_types,
+					    data->num_phase2_types,
+					    hdr, resp))
+			return -1;
+		return 0;
+	}
+
+	if (data->phase2_priv == NULL &&
+	    eap_fast_init_phase2_method(sm, data) < 0) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Failed to initialize "
+			   "Phase 2 EAP method %d", *pos);
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_FAIL;
+		return -1;
+	}
+
+	os_memset(&iret, 0, sizeof(iret));
+	wpabuf_set(&msg, hdr, len);
+	*resp = data->phase2_method->process(sm, data->phase2_priv, &iret,
+					     &msg);
+	if (*resp == NULL ||
+	    (iret.methodState == METHOD_DONE &&
+	     iret.decision == DECISION_FAIL)) {
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_FAIL;
+	} else if ((iret.methodState == METHOD_DONE ||
+		    iret.methodState == METHOD_MAY_CONT) &&
+		   (iret.decision == DECISION_UNCOND_SUCC ||
+		    iret.decision == DECISION_COND_SUCC)) {
+		data->phase2_success = 1;
+	}
+
+	if (*resp == NULL && config &&
+	    (config->pending_req_identity || config->pending_req_password ||
+	     config->pending_req_otp || config->pending_req_new_password)) {
+		wpabuf_free(data->pending_phase2_req);
+		data->pending_phase2_req = wpabuf_alloc_copy(hdr, len);
+	} else if (*resp == NULL)
+		return -1;
+
+	return 0;
+}
+
+
+static struct wpabuf * eap_fast_tlv_nak(int vendor_id, int tlv_type)
+{
+	struct wpabuf *buf;
+	struct eap_tlv_nak_tlv *nak;
+	buf = wpabuf_alloc(sizeof(*nak));
+	if (buf == NULL)
+		return NULL;
+	nak = wpabuf_put(buf, sizeof(*nak));
+	nak->tlv_type = host_to_be16(EAP_TLV_TYPE_MANDATORY | EAP_TLV_NAK_TLV);
+	nak->length = host_to_be16(6);
+	nak->vendor_id = host_to_be32(vendor_id);
+	nak->nak_type = host_to_be16(tlv_type);
+	return buf;
+}
+
+
+static struct wpabuf * eap_fast_tlv_result(int status, int intermediate)
+{
+	struct wpabuf *buf;
+	struct eap_tlv_intermediate_result_tlv *result;
+	buf = wpabuf_alloc(sizeof(*result));
+	if (buf == NULL)
+		return NULL;
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Add %sResult TLV(status=%d)",
+		   intermediate ? "Intermediate " : "", status);
+	result = wpabuf_put(buf, sizeof(*result));
+	result->tlv_type = host_to_be16(EAP_TLV_TYPE_MANDATORY |
+					(intermediate ?
+					 EAP_TLV_INTERMEDIATE_RESULT_TLV :
+					 EAP_TLV_RESULT_TLV));
+	result->length = host_to_be16(2);
+	result->status = host_to_be16(status);
+	return buf;
+}
+
+
+static struct wpabuf * eap_fast_tlv_pac_ack(void)
+{
+	struct wpabuf *buf;
+	struct eap_tlv_result_tlv *res;
+	struct eap_tlv_pac_ack_tlv *ack;
+
+	buf = wpabuf_alloc(sizeof(*res) + sizeof(*ack));
+	if (buf == NULL)
+		return NULL;
+
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Add PAC TLV (ack)");
+	ack = wpabuf_put(buf, sizeof(*ack));
+	ack->tlv_type = host_to_be16(EAP_TLV_PAC_TLV |
+				     EAP_TLV_TYPE_MANDATORY);
+	ack->length = host_to_be16(sizeof(*ack) - sizeof(struct eap_tlv_hdr));
+	ack->pac_type = host_to_be16(PAC_TYPE_PAC_ACKNOWLEDGEMENT);
+	ack->pac_len = host_to_be16(2);
+	ack->result = host_to_be16(EAP_TLV_RESULT_SUCCESS);
+
+	return buf;
+}
+
+
+static struct wpabuf * eap_fast_process_eap_payload_tlv(
+	struct eap_sm *sm, struct eap_fast_data *data,
+	struct eap_method_ret *ret, const struct eap_hdr *req,
+	u8 *eap_payload_tlv, size_t eap_payload_tlv_len)
+{
+	struct eap_hdr *hdr;
+	struct wpabuf *resp = NULL;
+
+	if (eap_payload_tlv_len < sizeof(*hdr)) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: too short EAP "
+			   "Payload TLV (len=%lu)",
+			   (unsigned long) eap_payload_tlv_len);
+		return NULL;
+	}
+
+	hdr = (struct eap_hdr *) eap_payload_tlv;
+	if (be_to_host16(hdr->length) > eap_payload_tlv_len) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: EAP packet overflow in "
+			   "EAP Payload TLV");
+		return NULL;
+	}
+
+	if (hdr->code != EAP_CODE_REQUEST) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Unexpected code=%d in "
+			   "Phase 2 EAP header", hdr->code);
+		return NULL;
+	}
+
+	if (eap_fast_phase2_request(sm, data, ret, hdr, &resp)) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Phase2 Request processing "
+			   "failed");
+		return NULL;
+	}
+
+	return eap_fast_tlv_eap_payload(resp);
+}
+
+
+static int eap_fast_validate_crypto_binding(
+	struct eap_tlv_crypto_binding_tlv *_bind)
+{
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Crypto-Binding TLV: Version %d "
+		   "Received Version %d SubType %d",
+		   _bind->version, _bind->received_version, _bind->subtype);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-FAST: NONCE",
+		    _bind->nonce, sizeof(_bind->nonce));
+	wpa_hexdump(MSG_MSGDUMP, "EAP-FAST: Compound MAC",
+		    _bind->compound_mac, sizeof(_bind->compound_mac));
+
+	if (_bind->version != EAP_FAST_VERSION ||
+	    _bind->received_version != EAP_FAST_VERSION ||
+	    _bind->subtype != EAP_TLV_CRYPTO_BINDING_SUBTYPE_REQUEST) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Invalid version/subtype in "
+			   "Crypto-Binding TLV: Version %d "
+			   "Received Version %d SubType %d",
+			   _bind->version, _bind->received_version,
+			   _bind->subtype);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static void eap_fast_write_crypto_binding(
+	struct eap_tlv_crypto_binding_tlv *rbind,
+	struct eap_tlv_crypto_binding_tlv *_bind, const u8 *cmk)
+{
+	rbind->tlv_type = host_to_be16(EAP_TLV_TYPE_MANDATORY |
+				       EAP_TLV_CRYPTO_BINDING_TLV);
+	rbind->length = host_to_be16(sizeof(*rbind) -
+				     sizeof(struct eap_tlv_hdr));
+	rbind->version = EAP_FAST_VERSION;
+	rbind->received_version = _bind->version;
+	rbind->subtype = EAP_TLV_CRYPTO_BINDING_SUBTYPE_RESPONSE;
+	os_memcpy(rbind->nonce, _bind->nonce, sizeof(_bind->nonce));
+	inc_byte_array(rbind->nonce, sizeof(rbind->nonce));
+	hmac_sha1(cmk, EAP_FAST_CMK_LEN, (u8 *) rbind, sizeof(*rbind),
+		  rbind->compound_mac);
+
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Reply Crypto-Binding TLV: Version %d "
+		   "Received Version %d SubType %d",
+		   rbind->version, rbind->received_version, rbind->subtype);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-FAST: NONCE",
+		    rbind->nonce, sizeof(rbind->nonce));
+	wpa_hexdump(MSG_MSGDUMP, "EAP-FAST: Compound MAC",
+		    rbind->compound_mac, sizeof(rbind->compound_mac));
+}
+
+
+static int eap_fast_get_phase2_key(struct eap_sm *sm,
+				   struct eap_fast_data *data,
+				   u8 *isk, size_t isk_len)
+{
+	u8 *key;
+	size_t key_len;
+
+	os_memset(isk, 0, isk_len);
+
+	if (data->phase2_method == NULL || data->phase2_priv == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Phase 2 method not "
+			   "available");
+		return -1;
+	}
+
+	if (data->phase2_method->isKeyAvailable == NULL ||
+	    data->phase2_method->getKey == NULL)
+		return 0;
+
+	if (!data->phase2_method->isKeyAvailable(sm, data->phase2_priv) ||
+	    (key = data->phase2_method->getKey(sm, data->phase2_priv,
+					       &key_len)) == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Could not get key material "
+			   "from Phase 2");
+		return -1;
+	}
+
+	if (key_len > isk_len)
+		key_len = isk_len;
+	if (key_len == 32 &&
+	    data->phase2_method->vendor == EAP_VENDOR_IETF &&
+	    data->phase2_method->method == EAP_TYPE_MSCHAPV2) {
+		/*
+		 * EAP-FAST uses reverse order for MS-MPPE keys when deriving
+		 * MSK from EAP-MSCHAPv2. Swap the keys here to get the correct
+		 * ISK for EAP-FAST cryptobinding.
+		 */
+		os_memcpy(isk, key + 16, 16);
+		os_memcpy(isk + 16, key, 16);
+	} else
+		os_memcpy(isk, key, key_len);
+	os_free(key);
+
+	return 0;
+}
+
+
+static int eap_fast_get_cmk(struct eap_sm *sm, struct eap_fast_data *data,
+			    u8 *cmk)
+{
+	u8 isk[32], imck[60];
+
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Determining CMK[%d] for Compound MIC "
+		   "calculation", data->simck_idx + 1);
+
+	/*
+	 * RFC 4851, Section 5.2:
+	 * IMCK[j] = T-PRF(S-IMCK[j-1], "Inner Methods Compound Keys",
+	 *                 MSK[j], 60)
+	 * S-IMCK[j] = first 40 octets of IMCK[j]
+	 * CMK[j] = last 20 octets of IMCK[j]
+	 */
+
+	if (eap_fast_get_phase2_key(sm, data, isk, sizeof(isk)) < 0)
+		return -1;
+	wpa_hexdump_key(MSG_MSGDUMP, "EAP-FAST: ISK[j]", isk, sizeof(isk));
+	sha1_t_prf(data->simck, EAP_FAST_SIMCK_LEN,
+		   "Inner Methods Compound Keys",
+		   isk, sizeof(isk), imck, sizeof(imck));
+	data->simck_idx++;
+	os_memcpy(data->simck, imck, EAP_FAST_SIMCK_LEN);
+	wpa_hexdump_key(MSG_MSGDUMP, "EAP-FAST: S-IMCK[j]",
+			data->simck, EAP_FAST_SIMCK_LEN);
+	os_memcpy(cmk, imck + EAP_FAST_SIMCK_LEN, EAP_FAST_CMK_LEN);
+	wpa_hexdump_key(MSG_MSGDUMP, "EAP-FAST: CMK[j]",
+			cmk, EAP_FAST_CMK_LEN);
+
+	return 0;
+}
+
+
+static u8 * eap_fast_write_pac_request(u8 *pos, u16 pac_type)
+{
+	struct eap_tlv_hdr *pac;
+	struct eap_tlv_request_action_tlv *act;
+	struct eap_tlv_pac_type_tlv *type;
+
+	act = (struct eap_tlv_request_action_tlv *) pos;
+	act->tlv_type = host_to_be16(EAP_TLV_REQUEST_ACTION_TLV);
+	act->length = host_to_be16(2);
+	act->action = host_to_be16(EAP_TLV_ACTION_PROCESS_TLV);
+
+	pac = (struct eap_tlv_hdr *) (act + 1);
+	pac->tlv_type = host_to_be16(EAP_TLV_PAC_TLV);
+	pac->length = host_to_be16(sizeof(*type));
+
+	type = (struct eap_tlv_pac_type_tlv *) (pac + 1);
+	type->tlv_type = host_to_be16(PAC_TYPE_PAC_TYPE);
+	type->length = host_to_be16(2);
+	type->pac_type = host_to_be16(pac_type);
+
+	return (u8 *) (type + 1);
+}
+
+
+static struct wpabuf * eap_fast_process_crypto_binding(
+	struct eap_sm *sm, struct eap_fast_data *data,
+	struct eap_method_ret *ret,
+	struct eap_tlv_crypto_binding_tlv *_bind, size_t bind_len)
+{
+	struct wpabuf *resp;
+	u8 *pos;
+	u8 cmk[EAP_FAST_CMK_LEN], cmac[SHA1_MAC_LEN];
+	int res;
+	size_t len;
+
+	if (eap_fast_validate_crypto_binding(_bind) < 0)
+		return NULL;
+
+	if (eap_fast_get_cmk(sm, data, cmk) < 0)
+		return NULL;
+
+	/* Validate received Compound MAC */
+	os_memcpy(cmac, _bind->compound_mac, sizeof(cmac));
+	os_memset(_bind->compound_mac, 0, sizeof(cmac));
+	wpa_hexdump(MSG_MSGDUMP, "EAP-FAST: Crypto-Binding TLV for Compound "
+		    "MAC calculation", (u8 *) _bind, bind_len);
+	hmac_sha1(cmk, EAP_FAST_CMK_LEN, (u8 *) _bind, bind_len,
+		  _bind->compound_mac);
+	res = os_memcmp(cmac, _bind->compound_mac, sizeof(cmac));
+	wpa_hexdump(MSG_MSGDUMP, "EAP-FAST: Received Compound MAC",
+		    cmac, sizeof(cmac));
+	wpa_hexdump(MSG_MSGDUMP, "EAP-FAST: Calculated Compound MAC",
+		    _bind->compound_mac, sizeof(cmac));
+	if (res != 0) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Compound MAC did not match");
+		os_memcpy(_bind->compound_mac, cmac, sizeof(cmac));
+		return NULL;
+	}
+
+	/*
+	 * Compound MAC was valid, so authentication succeeded. Reply with
+	 * crypto binding to allow server to complete authentication.
+	 */
+
+	len = sizeof(struct eap_tlv_crypto_binding_tlv);
+	resp = wpabuf_alloc(len);
+	if (resp == NULL)
+		return NULL;
+
+	if (!data->anon_provisioning && data->phase2_success &&
+	    eap_fast_derive_msk(data) < 0) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Failed to generate MSK");
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_FAIL;
+		data->phase2_success = 0;
+		wpabuf_free(resp);
+		return NULL;
+	}
+
+	pos = wpabuf_put(resp, sizeof(struct eap_tlv_crypto_binding_tlv));
+	eap_fast_write_crypto_binding((struct eap_tlv_crypto_binding_tlv *)
+				      pos, _bind, cmk);
+
+	return resp;
+}
+
+
+static void eap_fast_parse_pac_tlv(struct eap_fast_pac *entry, int type,
+				   u8 *pos, size_t len, int *pac_key_found)
+{
+	switch (type & 0x7fff) {
+	case PAC_TYPE_PAC_KEY:
+		wpa_hexdump_key(MSG_DEBUG, "EAP-FAST: PAC-Key", pos, len);
+		if (len != EAP_FAST_PAC_KEY_LEN) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Invalid PAC-Key "
+				   "length %lu", (unsigned long) len);
+			break;
+		}
+		*pac_key_found = 1;
+		os_memcpy(entry->pac_key, pos, len);
+		break;
+	case PAC_TYPE_PAC_OPAQUE:
+		wpa_hexdump(MSG_DEBUG, "EAP-FAST: PAC-Opaque", pos, len);
+		entry->pac_opaque = pos;
+		entry->pac_opaque_len = len;
+		break;
+	case PAC_TYPE_PAC_INFO:
+		wpa_hexdump(MSG_DEBUG, "EAP-FAST: PAC-Info", pos, len);
+		entry->pac_info = pos;
+		entry->pac_info_len = len;
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Ignored unknown PAC type %d",
+			   type);
+		break;
+	}
+}
+
+
+static int eap_fast_process_pac_tlv(struct eap_fast_pac *entry,
+				    u8 *pac, size_t pac_len)
+{
+	struct pac_tlv_hdr *hdr;
+	u8 *pos;
+	size_t left, len;
+	int type, pac_key_found = 0;
+
+	pos = pac;
+	left = pac_len;
+
+	while (left > sizeof(*hdr)) {
+		hdr = (struct pac_tlv_hdr *) pos;
+		type = be_to_host16(hdr->type);
+		len = be_to_host16(hdr->len);
+		pos += sizeof(*hdr);
+		left -= sizeof(*hdr);
+		if (len > left) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: PAC TLV overrun "
+				   "(type=%d len=%lu left=%lu)",
+				   type, (unsigned long) len,
+				   (unsigned long) left);
+			return -1;
+		}
+
+		eap_fast_parse_pac_tlv(entry, type, pos, len, &pac_key_found);
+
+		pos += len;
+		left -= len;
+	}
+
+	if (!pac_key_found || !entry->pac_opaque || !entry->pac_info) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: PAC TLV does not include "
+			   "all the required fields");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int eap_fast_parse_pac_info(struct eap_fast_pac *entry, int type,
+				   u8 *pos, size_t len)
+{
+	u16 pac_type;
+	u32 lifetime;
+	struct os_time now;
+
+	switch (type & 0x7fff) {
+	case PAC_TYPE_CRED_LIFETIME:
+		if (len != 4) {
+			wpa_hexdump(MSG_DEBUG, "EAP-FAST: PAC-Info - "
+				    "Invalid CRED_LIFETIME length - ignored",
+				    pos, len);
+			return 0;
+		}
+
+		/*
+		 * This is not currently saved separately in PAC files since
+		 * the server can automatically initiate PAC update when
+		 * needed. Anyway, the information is available from PAC-Info
+		 * dump if it is needed for something in the future.
+		 */
+		lifetime = WPA_GET_BE32(pos);
+		os_get_time(&now);
+		wpa_printf(MSG_DEBUG, "EAP-FAST: PAC-Info - CRED_LIFETIME %d "
+			   "(%d days)",
+			   lifetime, (lifetime - (u32) now.sec) / 86400);
+		break;
+	case PAC_TYPE_A_ID:
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-FAST: PAC-Info - A-ID",
+				  pos, len);
+		entry->a_id = pos;
+		entry->a_id_len = len;
+		break;
+	case PAC_TYPE_I_ID:
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-FAST: PAC-Info - I-ID",
+				  pos, len);
+		entry->i_id = pos;
+		entry->i_id_len = len;
+		break;
+	case PAC_TYPE_A_ID_INFO:
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-FAST: PAC-Info - A-ID-Info",
+				  pos, len);
+		entry->a_id_info = pos;
+		entry->a_id_info_len = len;
+		break;
+	case PAC_TYPE_PAC_TYPE:
+		/* RFC 5422, Section 4.2.6 - PAC-Type TLV */
+		if (len != 2) {
+			wpa_printf(MSG_INFO, "EAP-FAST: Invalid PAC-Type "
+				   "length %lu (expected 2)",
+				   (unsigned long) len);
+			wpa_hexdump_ascii(MSG_DEBUG,
+					  "EAP-FAST: PAC-Info - PAC-Type",
+					  pos, len);
+			return -1;
+		}
+		pac_type = WPA_GET_BE16(pos);
+		if (pac_type != PAC_TYPE_TUNNEL_PAC &&
+		    pac_type != PAC_TYPE_USER_AUTHORIZATION &&
+		    pac_type != PAC_TYPE_MACHINE_AUTHENTICATION) {
+			wpa_printf(MSG_INFO, "EAP-FAST: Unsupported PAC Type "
+				   "%d", pac_type);
+			return -1;
+		}
+
+		wpa_printf(MSG_DEBUG, "EAP-FAST: PAC-Info - PAC-Type %d",
+			   pac_type);
+		entry->pac_type = pac_type;
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Ignored unknown PAC-Info "
+			   "type %d", type);
+		break;
+	}
+
+	return 0;
+}
+
+
+static int eap_fast_process_pac_info(struct eap_fast_pac *entry)
+{
+	struct pac_tlv_hdr *hdr;
+	u8 *pos;
+	size_t left, len;
+	int type;
+
+	/* RFC 5422, Section 4.2.4 */
+
+	/* PAC-Type defaults to Tunnel PAC (Type 1) */
+	entry->pac_type = PAC_TYPE_TUNNEL_PAC;
+
+	pos = entry->pac_info;
+	left = entry->pac_info_len;
+	while (left > sizeof(*hdr)) {
+		hdr = (struct pac_tlv_hdr *) pos;
+		type = be_to_host16(hdr->type);
+		len = be_to_host16(hdr->len);
+		pos += sizeof(*hdr);
+		left -= sizeof(*hdr);
+		if (len > left) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: PAC-Info overrun "
+				   "(type=%d len=%lu left=%lu)",
+				   type, (unsigned long) len,
+				   (unsigned long) left);
+			return -1;
+		}
+
+		if (eap_fast_parse_pac_info(entry, type, pos, len) < 0)
+			return -1;
+
+		pos += len;
+		left -= len;
+	}
+
+	if (entry->a_id == NULL || entry->a_id_info == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: PAC-Info does not include "
+			   "all the required fields");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static struct wpabuf * eap_fast_process_pac(struct eap_sm *sm,
+					    struct eap_fast_data *data,
+					    struct eap_method_ret *ret,
+					    u8 *pac, size_t pac_len)
+{
+	struct eap_peer_config *config = eap_get_config(sm);
+	struct eap_fast_pac entry;
+
+	os_memset(&entry, 0, sizeof(entry));
+	if (eap_fast_process_pac_tlv(&entry, pac, pac_len) ||
+	    eap_fast_process_pac_info(&entry))
+		return NULL;
+
+	eap_fast_add_pac(&data->pac, &data->current_pac, &entry);
+	eap_fast_pac_list_truncate(data->pac, data->max_pac_list_len);
+	if (data->use_pac_binary_format)
+		eap_fast_save_pac_bin(sm, data->pac, config->pac_file);
+	else
+		eap_fast_save_pac(sm, data->pac, config->pac_file);
+
+	if (data->provisioning) {
+		if (data->anon_provisioning) {
+			/*
+			 * Unauthenticated provisioning does not provide keying
+			 * material and must end with an EAP-Failure.
+			 * Authentication will be done separately after this.
+			 */
+			data->success = 0;
+			ret->decision = DECISION_FAIL;
+		} else {
+			/*
+			 * Server may or may not allow authenticated
+			 * provisioning also for key generation.
+			 */
+			ret->decision = DECISION_COND_SUCC;
+		}
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Send PAC-Acknowledgement TLV "
+			   "- Provisioning completed successfully");
+	} else {
+		/*
+		 * This is PAC refreshing, i.e., normal authentication that is
+		 * expected to be completed with an EAP-Success.
+		 */
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Send PAC-Acknowledgement TLV "
+			   "- PAC refreshing completed successfully");
+		ret->decision = DECISION_UNCOND_SUCC;
+	}
+	ret->methodState = METHOD_DONE;
+	return eap_fast_tlv_pac_ack();
+}
+
+
+static int eap_fast_parse_decrypted(struct wpabuf *decrypted,
+				    struct eap_fast_tlv_parse *tlv,
+				    struct wpabuf **resp)
+{
+	int mandatory, tlv_type, len, res;
+	u8 *pos, *end;
+
+	os_memset(tlv, 0, sizeof(*tlv));
+
+	/* Parse TLVs from the decrypted Phase 2 data */
+	pos = wpabuf_mhead(decrypted);
+	end = pos + wpabuf_len(decrypted);
+	while (pos + 4 < end) {
+		mandatory = pos[0] & 0x80;
+		tlv_type = WPA_GET_BE16(pos) & 0x3fff;
+		pos += 2;
+		len = WPA_GET_BE16(pos);
+		pos += 2;
+		if (pos + len > end) {
+			wpa_printf(MSG_INFO, "EAP-FAST: TLV overflow");
+			return -1;
+		}
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Received Phase 2: "
+			   "TLV type %d length %d%s",
+			   tlv_type, len, mandatory ? " (mandatory)" : "");
+
+		res = eap_fast_parse_tlv(tlv, tlv_type, pos, len);
+		if (res == -2)
+			break;
+		if (res < 0) {
+			if (mandatory) {
+				wpa_printf(MSG_DEBUG, "EAP-FAST: Nak unknown "
+					   "mandatory TLV type %d", tlv_type);
+				*resp = eap_fast_tlv_nak(0, tlv_type);
+				break;
+			} else {
+				wpa_printf(MSG_DEBUG, "EAP-FAST: ignored "
+					   "unknown optional TLV type %d",
+					   tlv_type);
+			}
+		}
+
+		pos += len;
+	}
+
+	return 0;
+}
+
+
+static int eap_fast_encrypt_response(struct eap_sm *sm,
+				     struct eap_fast_data *data,
+				     struct wpabuf *resp,
+				     u8 identifier, struct wpabuf **out_data)
+{
+	if (resp == NULL)
+		return 0;
+
+	wpa_hexdump_buf(MSG_DEBUG, "EAP-FAST: Encrypting Phase 2 data",
+			resp);
+	if (eap_peer_tls_encrypt(sm, &data->ssl, EAP_TYPE_FAST,
+				 data->fast_version, identifier,
+				 resp, out_data)) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Failed to encrypt a Phase 2 "
+			   "frame");
+	}
+	wpabuf_free(resp);
+
+	return 0;
+}
+
+
+static struct wpabuf * eap_fast_pac_request(void)
+{
+	struct wpabuf *tmp;
+	u8 *pos, *pos2;
+
+	tmp = wpabuf_alloc(sizeof(struct eap_tlv_hdr) +
+			   sizeof(struct eap_tlv_request_action_tlv) +
+			   sizeof(struct eap_tlv_pac_type_tlv));
+	if (tmp == NULL)
+		return NULL;
+
+	pos = wpabuf_put(tmp, 0);
+	pos2 = eap_fast_write_pac_request(pos, PAC_TYPE_TUNNEL_PAC);
+	wpabuf_put(tmp, pos2 - pos);
+	return tmp;
+}
+
+
+static int eap_fast_process_decrypted(struct eap_sm *sm,
+				      struct eap_fast_data *data,
+				      struct eap_method_ret *ret,
+				      const struct eap_hdr *req,
+				      struct wpabuf *decrypted,
+				      struct wpabuf **out_data)
+{
+	struct wpabuf *resp = NULL, *tmp;
+	struct eap_fast_tlv_parse tlv;
+	int failed = 0;
+
+	if (eap_fast_parse_decrypted(decrypted, &tlv, &resp) < 0)
+		return 0;
+	if (resp)
+		return eap_fast_encrypt_response(sm, data, resp,
+						 req->identifier, out_data);
+
+	if (tlv.result == EAP_TLV_RESULT_FAILURE) {
+		resp = eap_fast_tlv_result(EAP_TLV_RESULT_FAILURE, 0);
+		return eap_fast_encrypt_response(sm, data, resp,
+						 req->identifier, out_data);
+	}
+
+	if (tlv.iresult == EAP_TLV_RESULT_FAILURE) {
+		resp = eap_fast_tlv_result(EAP_TLV_RESULT_FAILURE, 1);
+		return eap_fast_encrypt_response(sm, data, resp,
+						 req->identifier, out_data);
+	}
+
+	if (tlv.crypto_binding) {
+		tmp = eap_fast_process_crypto_binding(sm, data, ret,
+						      tlv.crypto_binding,
+						      tlv.crypto_binding_len);
+		if (tmp == NULL)
+			failed = 1;
+		else
+			resp = wpabuf_concat(resp, tmp);
+	}
+
+	if (tlv.iresult == EAP_TLV_RESULT_SUCCESS) {
+		tmp = eap_fast_tlv_result(failed ? EAP_TLV_RESULT_FAILURE :
+					  EAP_TLV_RESULT_SUCCESS, 1);
+		resp = wpabuf_concat(resp, tmp);
+	}
+
+	if (tlv.eap_payload_tlv) {
+		tmp = eap_fast_process_eap_payload_tlv(
+			sm, data, ret, req, tlv.eap_payload_tlv,
+			tlv.eap_payload_tlv_len);
+		resp = wpabuf_concat(resp, tmp);
+	}
+
+	if (tlv.pac && tlv.result != EAP_TLV_RESULT_SUCCESS) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: PAC TLV without Result TLV "
+			   "acknowledging success");
+		failed = 1;
+	} else if (tlv.pac && tlv.result == EAP_TLV_RESULT_SUCCESS) {
+		tmp = eap_fast_process_pac(sm, data, ret, tlv.pac,
+					   tlv.pac_len);
+		resp = wpabuf_concat(resp, tmp);
+	}
+
+	if (data->current_pac == NULL && data->provisioning &&
+	    !data->anon_provisioning && !tlv.pac &&
+	    (tlv.iresult == EAP_TLV_RESULT_SUCCESS ||
+	     tlv.result == EAP_TLV_RESULT_SUCCESS)) {
+		/*
+		 * Need to request Tunnel PAC when using authenticated
+		 * provisioning.
+		 */
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Request Tunnel PAC");
+		tmp = eap_fast_pac_request();
+		resp = wpabuf_concat(resp, tmp);
+	}
+
+	if (tlv.result == EAP_TLV_RESULT_SUCCESS && !failed) {
+		tmp = eap_fast_tlv_result(EAP_TLV_RESULT_SUCCESS, 0);
+		resp = wpabuf_concat(tmp, resp);
+	} else if (failed) {
+		tmp = eap_fast_tlv_result(EAP_TLV_RESULT_FAILURE, 0);
+		resp = wpabuf_concat(tmp, resp);
+	}
+
+	if (resp && tlv.result == EAP_TLV_RESULT_SUCCESS && !failed &&
+	    tlv.crypto_binding && data->phase2_success) {
+		if (data->anon_provisioning) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Unauthenticated "
+				   "provisioning completed successfully.");
+			ret->methodState = METHOD_DONE;
+			ret->decision = DECISION_FAIL;
+		} else {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Authentication "
+				   "completed successfully.");
+			if (data->provisioning)
+				ret->methodState = METHOD_MAY_CONT;
+			else
+				ret->methodState = METHOD_DONE;
+			ret->decision = DECISION_UNCOND_SUCC;
+		}
+	}
+
+	if (resp == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: No recognized TLVs - send "
+			   "empty response packet");
+		resp = wpabuf_alloc(1);
+	}
+
+	return eap_fast_encrypt_response(sm, data, resp, req->identifier,
+					 out_data);
+}
+
+
+static int eap_fast_decrypt(struct eap_sm *sm, struct eap_fast_data *data,
+			    struct eap_method_ret *ret,
+			    const struct eap_hdr *req,
+			    const struct wpabuf *in_data,
+			    struct wpabuf **out_data)
+{
+	struct wpabuf *in_decrypted;
+	int res;
+
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Received %lu bytes encrypted data for"
+		   " Phase 2", (unsigned long) wpabuf_len(in_data));
+
+	if (data->pending_phase2_req) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Pending Phase 2 request - "
+			   "skip decryption and use old data");
+		/* Clear TLS reassembly state. */
+		eap_peer_tls_reset_input(&data->ssl);
+
+		in_decrypted = data->pending_phase2_req;
+		data->pending_phase2_req = NULL;
+		goto continue_req;
+	}
+
+	if (wpabuf_len(in_data) == 0) {
+		/* Received TLS ACK - requesting more fragments */
+		return eap_peer_tls_encrypt(sm, &data->ssl, EAP_TYPE_FAST,
+					    data->fast_version,
+					    req->identifier, NULL, out_data);
+	}
+
+	res = eap_peer_tls_decrypt(sm, &data->ssl, in_data, &in_decrypted);
+	if (res)
+		return res;
+
+continue_req:
+	wpa_hexdump_buf(MSG_MSGDUMP, "EAP-FAST: Decrypted Phase 2 TLV(s)",
+			in_decrypted);
+
+	if (wpabuf_len(in_decrypted) < 4) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Too short Phase 2 "
+			   "TLV frame (len=%lu)",
+			   (unsigned long) wpabuf_len(in_decrypted));
+		wpabuf_free(in_decrypted);
+		return -1;
+	}
+
+	res = eap_fast_process_decrypted(sm, data, ret, req,
+					 in_decrypted, out_data);
+
+	wpabuf_free(in_decrypted);
+
+	return res;
+}
+
+
+static const u8 * eap_fast_get_a_id(const u8 *buf, size_t len, size_t *id_len)
+{
+	const u8 *a_id;
+	struct pac_tlv_hdr *hdr;
+
+	/*
+	 * Parse authority identity (A-ID) from the EAP-FAST/Start. This
+	 * supports both raw A-ID and one inside an A-ID TLV.
+	 */
+	a_id = buf;
+	*id_len = len;
+	if (len > sizeof(*hdr)) {
+		int tlen;
+		hdr = (struct pac_tlv_hdr *) buf;
+		tlen = be_to_host16(hdr->len);
+		if (be_to_host16(hdr->type) == PAC_TYPE_A_ID &&
+		    sizeof(*hdr) + tlen <= len) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: A-ID was in TLV "
+				   "(Start)");
+			a_id = (u8 *) (hdr + 1);
+			*id_len = tlen;
+		}
+	}
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-FAST: A-ID", a_id, *id_len);
+
+	return a_id;
+}
+
+
+static void eap_fast_select_pac(struct eap_fast_data *data,
+				const u8 *a_id, size_t a_id_len)
+{
+	data->current_pac = eap_fast_get_pac(data->pac, a_id, a_id_len,
+					     PAC_TYPE_TUNNEL_PAC);
+	if (data->current_pac == NULL) {
+		/*
+		 * Tunnel PAC was not available for this A-ID. Try to use
+		 * Machine Authentication PAC, if one is available.
+		 */
+		data->current_pac = eap_fast_get_pac(
+			data->pac, a_id, a_id_len,
+			PAC_TYPE_MACHINE_AUTHENTICATION);
+	}
+
+	if (data->current_pac) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: PAC found for this A-ID "
+			   "(PAC-Type %d)", data->current_pac->pac_type);
+		wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-FAST: A-ID-Info",
+				  data->current_pac->a_id_info,
+				  data->current_pac->a_id_info_len);
+	}
+}
+
+
+static int eap_fast_use_pac_opaque(struct eap_sm *sm,
+				   struct eap_fast_data *data,
+				   struct eap_fast_pac *pac)
+{
+	u8 *tlv;
+	size_t tlv_len, olen;
+	struct eap_tlv_hdr *ehdr;
+
+	olen = pac->pac_opaque_len;
+	tlv_len = sizeof(*ehdr) + olen;
+	tlv = os_malloc(tlv_len);
+	if (tlv) {
+		ehdr = (struct eap_tlv_hdr *) tlv;
+		ehdr->tlv_type = host_to_be16(PAC_TYPE_PAC_OPAQUE);
+		ehdr->length = host_to_be16(olen);
+		os_memcpy(ehdr + 1, pac->pac_opaque, olen);
+	}
+	if (tlv == NULL ||
+	    tls_connection_client_hello_ext(sm->ssl_ctx, data->ssl.conn,
+					    TLS_EXT_PAC_OPAQUE,
+					    tlv, tlv_len) < 0) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Failed to add PAC-Opaque TLS "
+			   "extension");
+		os_free(tlv);
+		return -1;
+	}
+	os_free(tlv);
+
+	return 0;
+}
+
+
+static int eap_fast_clear_pac_opaque_ext(struct eap_sm *sm,
+					 struct eap_fast_data *data)
+{
+	if (tls_connection_client_hello_ext(sm->ssl_ctx, data->ssl.conn,
+					    TLS_EXT_PAC_OPAQUE, NULL, 0) < 0) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Failed to remove PAC-Opaque "
+			   "TLS extension");
+		return -1;
+	}
+	return 0;
+}
+
+
+static int eap_fast_set_provisioning_ciphers(struct eap_sm *sm,
+					     struct eap_fast_data *data)
+{
+	u8 ciphers[5];
+	int count = 0;
+
+	if (data->provisioning_allowed & EAP_FAST_PROV_UNAUTH) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Enabling unauthenticated "
+			   "provisioning TLS cipher suites");
+		ciphers[count++] = TLS_CIPHER_ANON_DH_AES128_SHA;
+	}
+
+	if (data->provisioning_allowed & EAP_FAST_PROV_AUTH) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Enabling authenticated "
+			   "provisioning TLS cipher suites");
+		ciphers[count++] = TLS_CIPHER_RSA_DHE_AES128_SHA;
+		ciphers[count++] = TLS_CIPHER_AES128_SHA;
+		ciphers[count++] = TLS_CIPHER_RC4_SHA;
+	}
+
+	ciphers[count++] = TLS_CIPHER_NONE;
+
+	if (tls_connection_set_cipher_list(sm->ssl_ctx, data->ssl.conn,
+					   ciphers)) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Could not configure TLS "
+			   "cipher suites for provisioning");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int eap_fast_process_start(struct eap_sm *sm,
+				  struct eap_fast_data *data, u8 flags,
+				  const u8 *pos, size_t left)
+{
+	const u8 *a_id;
+	size_t a_id_len;
+
+	/* EAP-FAST Version negotiation (section 3.1) */
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Start (server ver=%d, own ver=%d)",
+		   flags & EAP_TLS_VERSION_MASK, data->fast_version);
+	if ((flags & EAP_TLS_VERSION_MASK) < data->fast_version)
+		data->fast_version = flags & EAP_TLS_VERSION_MASK;
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Using FAST version %d",
+		   data->fast_version);
+
+	a_id = eap_fast_get_a_id(pos, left, &a_id_len);
+	eap_fast_select_pac(data, a_id, a_id_len);
+
+	if (data->resuming && data->current_pac) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Trying to resume session - "
+			   "do not add PAC-Opaque to TLS ClientHello");
+		if (eap_fast_clear_pac_opaque_ext(sm, data) < 0)
+			return -1;
+	} else if (data->current_pac) {
+		/*
+		 * PAC found for the A-ID and we are not resuming an old
+		 * session, so add PAC-Opaque extension to ClientHello.
+		 */
+		if (eap_fast_use_pac_opaque(sm, data, data->current_pac) < 0)
+			return -1;
+	} else {
+		/* No PAC found, so we must provision one. */
+		if (!data->provisioning_allowed) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: No PAC found and "
+				   "provisioning disabled");
+			return -1;
+		}
+		wpa_printf(MSG_DEBUG, "EAP-FAST: No PAC found - "
+			   "starting provisioning");
+		if (eap_fast_set_provisioning_ciphers(sm, data) < 0 ||
+		    eap_fast_clear_pac_opaque_ext(sm, data) < 0)
+			return -1;
+		data->provisioning = 1;
+	}
+
+	return 0;
+}
+
+
+static struct wpabuf * eap_fast_process(struct eap_sm *sm, void *priv,
+					struct eap_method_ret *ret,
+					const struct wpabuf *reqData)
+{
+	const struct eap_hdr *req;
+	size_t left;
+	int res;
+	u8 flags, id;
+	struct wpabuf *resp;
+	const u8 *pos;
+	struct eap_fast_data *data = priv;
+
+	pos = eap_peer_tls_process_init(sm, &data->ssl, EAP_TYPE_FAST, ret,
+					reqData, &left, &flags);
+	if (pos == NULL)
+		return NULL;
+
+	req = wpabuf_head(reqData);
+	id = req->identifier;
+
+	if (flags & EAP_TLS_FLAGS_START) {
+		if (eap_fast_process_start(sm, data, flags, pos, left) < 0)
+			return NULL;
+
+		left = 0; /* A-ID is not used in further packet processing */
+	}
+
+	resp = NULL;
+	if (tls_connection_established(sm->ssl_ctx, data->ssl.conn) &&
+	    !data->resuming) {
+		/* Process tunneled (encrypted) phase 2 data. */
+		struct wpabuf msg;
+		wpabuf_set(&msg, pos, left);
+		res = eap_fast_decrypt(sm, data, ret, req, &msg, &resp);
+		if (res < 0) {
+			ret->methodState = METHOD_DONE;
+			ret->decision = DECISION_FAIL;
+			/*
+			 * Ack possible Alert that may have caused failure in
+			 * decryption.
+			 */
+			res = 1;
+		}
+	} else {
+		/* Continue processing TLS handshake (phase 1). */
+		res = eap_peer_tls_process_helper(sm, &data->ssl,
+						  EAP_TYPE_FAST,
+						  data->fast_version, id, pos,
+						  left, &resp);
+
+		if (tls_connection_established(sm->ssl_ctx, data->ssl.conn)) {
+			char cipher[80];
+			wpa_printf(MSG_DEBUG,
+				   "EAP-FAST: TLS done, proceed to Phase 2");
+			if (data->provisioning &&
+			    (!(data->provisioning_allowed &
+			       EAP_FAST_PROV_AUTH) ||
+			     tls_get_cipher(sm->ssl_ctx, data->ssl.conn,
+					    cipher, sizeof(cipher)) < 0 ||
+			     os_strstr(cipher, "ADH-") ||
+			     os_strstr(cipher, "anon"))) {
+				wpa_printf(MSG_DEBUG, "EAP-FAST: Using "
+					   "anonymous (unauthenticated) "
+					   "provisioning");
+				data->anon_provisioning = 1;
+			} else
+				data->anon_provisioning = 0;
+			data->resuming = 0;
+			eap_fast_derive_keys(sm, data);
+		}
+
+		if (res == 2) {
+			struct wpabuf msg;
+			/*
+			 * Application data included in the handshake message.
+			 */
+			wpabuf_free(data->pending_phase2_req);
+			data->pending_phase2_req = resp;
+			resp = NULL;
+			wpabuf_set(&msg, pos, left);
+			res = eap_fast_decrypt(sm, data, ret, req, &msg,
+					       &resp);
+		}
+	}
+
+	if (res == 1) {
+		wpabuf_free(resp);
+		return eap_peer_tls_build_ack(id, EAP_TYPE_FAST,
+					      data->fast_version);
+	}
+
+	return resp;
+}
+
+
+#if 0 /* FIX */
+static Boolean eap_fast_has_reauth_data(struct eap_sm *sm, void *priv)
+{
+	struct eap_fast_data *data = priv;
+	return tls_connection_established(sm->ssl_ctx, data->ssl.conn);
+}
+
+
+static void eap_fast_deinit_for_reauth(struct eap_sm *sm, void *priv)
+{
+	struct eap_fast_data *data = priv;
+	os_free(data->key_block_p);
+	data->key_block_p = NULL;
+	wpabuf_free(data->pending_phase2_req);
+	data->pending_phase2_req = NULL;
+}
+
+
+static void * eap_fast_init_for_reauth(struct eap_sm *sm, void *priv)
+{
+	struct eap_fast_data *data = priv;
+	if (eap_peer_tls_reauth_init(sm, &data->ssl)) {
+		os_free(data);
+		return NULL;
+	}
+	if (data->phase2_priv && data->phase2_method &&
+	    data->phase2_method->init_for_reauth)
+		data->phase2_method->init_for_reauth(sm, data->phase2_priv);
+	data->phase2_success = 0;
+	data->resuming = 1;
+	data->provisioning = 0;
+	data->anon_provisioning = 0;
+	data->simck_idx = 0;
+	return priv;
+}
+#endif
+
+
+static int eap_fast_get_status(struct eap_sm *sm, void *priv, char *buf,
+			       size_t buflen, int verbose)
+{
+	struct eap_fast_data *data = priv;
+	int len, ret;
+
+	len = eap_peer_tls_status(sm, &data->ssl, buf, buflen, verbose);
+	if (data->phase2_method) {
+		ret = os_snprintf(buf + len, buflen - len,
+				  "EAP-FAST Phase2 method=%s\n",
+				  data->phase2_method->name);
+		if (ret < 0 || (size_t) ret >= buflen - len)
+			return len;
+		len += ret;
+	}
+	return len;
+}
+
+
+static Boolean eap_fast_isKeyAvailable(struct eap_sm *sm, void *priv)
+{
+	struct eap_fast_data *data = priv;
+	return data->success;
+}
+
+
+static u8 * eap_fast_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_fast_data *data = priv;
+	u8 *key;
+
+	if (!data->success)
+		return NULL;
+
+	key = os_malloc(EAP_FAST_KEY_LEN);
+	if (key == NULL)
+		return NULL;
+
+	*len = EAP_FAST_KEY_LEN;
+	os_memcpy(key, data->key_data, EAP_FAST_KEY_LEN);
+
+	return key;
+}
+
+
+static u8 * eap_fast_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_fast_data *data = priv;
+	u8 *key;
+
+	if (!data->success)
+		return NULL;
+
+	key = os_malloc(EAP_EMSK_LEN);
+	if (key == NULL)
+		return NULL;
+
+	*len = EAP_EMSK_LEN;
+	os_memcpy(key, data->emsk, EAP_EMSK_LEN);
+
+	return key;
+}
+
+
+int eap_peer_fast_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_IETF, EAP_TYPE_FAST, "FAST");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_fast_init;
+	eap->deinit = eap_fast_deinit;
+	eap->process = eap_fast_process;
+	eap->isKeyAvailable = eap_fast_isKeyAvailable;
+	eap->getKey = eap_fast_getKey;
+	eap->get_status = eap_fast_get_status;
+#if 0
+	eap->has_reauth_data = eap_fast_has_reauth_data;
+	eap->deinit_for_reauth = eap_fast_deinit_for_reauth;
+	eap->init_for_reauth = eap_fast_init_for_reauth;
+#endif
+	eap->get_emsk = eap_fast_get_emsk;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_peer/eap_fast_pac.c b/src/eap_peer/eap_fast_pac.c
new file mode 100644
index 0000000..4037288
--- /dev/null
+++ b/src/eap_peer/eap_fast_pac.c
@@ -0,0 +1,923 @@
+/*
+ * EAP peer method: EAP-FAST PAC file processing
+ * Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eap_config.h"
+#include "eap_i.h"
+#include "eap_fast_pac.h"
+
+/* TODO: encrypt PAC-Key in the PAC file */
+
+
+/* Text data format */
+static const char *pac_file_hdr =
+	"wpa_supplicant EAP-FAST PAC file - version 1";
+
+/*
+ * Binary data format
+ * 4-octet magic value: 6A E4 92 0C
+ * 2-octet version (big endian)
+ * <version specific data>
+ *
+ * version=0:
+ * Sequence of PAC entries:
+ *   2-octet PAC-Type (big endian)
+ *   32-octet PAC-Key
+ *   2-octet PAC-Opaque length (big endian)
+ *   <variable len> PAC-Opaque data (length bytes)
+ *   2-octet PAC-Info length (big endian)
+ *   <variable len> PAC-Info data (length bytes)
+ */
+
+#define EAP_FAST_PAC_BINARY_MAGIC 0x6ae4920c
+#define EAP_FAST_PAC_BINARY_FORMAT_VERSION 0
+
+
+/**
+ * eap_fast_free_pac - Free PAC data
+ * @pac: Pointer to the PAC entry
+ *
+ * Note that the PAC entry must not be in a list since this function does not
+ * remove the list links.
+ */
+void eap_fast_free_pac(struct eap_fast_pac *pac)
+{
+	os_free(pac->pac_opaque);
+	os_free(pac->pac_info);
+	os_free(pac->a_id);
+	os_free(pac->i_id);
+	os_free(pac->a_id_info);
+	os_free(pac);
+}
+
+
+/**
+ * eap_fast_get_pac - Get a PAC entry based on A-ID
+ * @pac_root: Pointer to root of the PAC list
+ * @a_id: A-ID to search for
+ * @a_id_len: Length of A-ID
+ * @pac_type: PAC-Type to search for
+ * Returns: Pointer to the PAC entry, or %NULL if A-ID not found
+ */
+struct eap_fast_pac * eap_fast_get_pac(struct eap_fast_pac *pac_root,
+				       const u8 *a_id, size_t a_id_len,
+				       u16 pac_type)
+{
+	struct eap_fast_pac *pac = pac_root;
+
+	while (pac) {
+		if (pac->pac_type == pac_type && pac->a_id_len == a_id_len &&
+		    os_memcmp(pac->a_id, a_id, a_id_len) == 0) {
+			return pac;
+		}
+		pac = pac->next;
+	}
+	return NULL;
+}
+
+
+static void eap_fast_remove_pac(struct eap_fast_pac **pac_root,
+				struct eap_fast_pac **pac_current,
+				const u8 *a_id, size_t a_id_len, u16 pac_type)
+{
+	struct eap_fast_pac *pac, *prev;
+
+	pac = *pac_root;
+	prev = NULL;
+
+	while (pac) {
+		if (pac->pac_type == pac_type && pac->a_id_len == a_id_len &&
+		    os_memcmp(pac->a_id, a_id, a_id_len) == 0) {
+			if (prev == NULL)
+				*pac_root = pac->next;
+			else
+				prev->next = pac->next;
+			if (*pac_current == pac)
+				*pac_current = NULL;
+			eap_fast_free_pac(pac);
+			break;
+		}
+		prev = pac;
+		pac = pac->next;
+	}
+}
+
+
+static int eap_fast_copy_buf(u8 **dst, size_t *dst_len,
+			     const u8 *src, size_t src_len)
+{
+	if (src) {
+		*dst = os_malloc(src_len);
+		if (*dst == NULL)
+			return -1;
+		os_memcpy(*dst, src, src_len);
+		*dst_len = src_len;
+	}
+	return 0;
+}
+
+
+/**
+ * eap_fast_add_pac - Add a copy of a PAC entry to a list
+ * @pac_root: Pointer to PAC list root pointer
+ * @pac_current: Pointer to the current PAC pointer
+ * @entry: New entry to clone and add to the list
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function makes a clone of the given PAC entry and adds this copied
+ * entry to the list (pac_root). If an old entry for the same A-ID is found,
+ * it will be removed from the PAC list and in this case, pac_current entry
+ * is set to %NULL if it was the removed entry.
+ */
+int eap_fast_add_pac(struct eap_fast_pac **pac_root,
+		     struct eap_fast_pac **pac_current,
+		     struct eap_fast_pac *entry)
+{
+	struct eap_fast_pac *pac;
+
+	if (entry == NULL || entry->a_id == NULL)
+		return -1;
+
+	/* Remove a possible old entry for the matching A-ID. */
+	eap_fast_remove_pac(pac_root, pac_current,
+			    entry->a_id, entry->a_id_len, entry->pac_type);
+
+	/* Allocate a new entry and add it to the list of PACs. */
+	pac = os_zalloc(sizeof(*pac));
+	if (pac == NULL)
+		return -1;
+
+	pac->pac_type = entry->pac_type;
+	os_memcpy(pac->pac_key, entry->pac_key, EAP_FAST_PAC_KEY_LEN);
+	if (eap_fast_copy_buf(&pac->pac_opaque, &pac->pac_opaque_len,
+			      entry->pac_opaque, entry->pac_opaque_len) < 0 ||
+	    eap_fast_copy_buf(&pac->pac_info, &pac->pac_info_len,
+			      entry->pac_info, entry->pac_info_len) < 0 ||
+	    eap_fast_copy_buf(&pac->a_id, &pac->a_id_len,
+			      entry->a_id, entry->a_id_len) < 0 ||
+	    eap_fast_copy_buf(&pac->i_id, &pac->i_id_len,
+			      entry->i_id, entry->i_id_len) < 0 ||
+	    eap_fast_copy_buf(&pac->a_id_info, &pac->a_id_info_len,
+			      entry->a_id_info, entry->a_id_info_len) < 0) {
+		eap_fast_free_pac(pac);
+		return -1;
+	}
+
+	pac->next = *pac_root;
+	*pac_root = pac;
+
+	return 0;
+}
+
+
+struct eap_fast_read_ctx {
+	FILE *f;
+	const char *pos;
+	const char *end;
+	int line;
+	char *buf;
+	size_t buf_len;
+};
+
+static int eap_fast_read_line(struct eap_fast_read_ctx *rc, char **value)
+{
+	char *pos;
+
+	rc->line++;
+	if (rc->f) {
+		if (fgets(rc->buf, rc->buf_len, rc->f) == NULL)
+			return -1;
+	} else {
+		const char *l_end;
+		size_t len;
+		if (rc->pos >= rc->end)
+			return -1;
+		l_end = rc->pos;
+		while (l_end < rc->end && *l_end != '\n')
+			l_end++;
+		len = l_end - rc->pos;
+		if (len >= rc->buf_len)
+			len = rc->buf_len - 1;
+		os_memcpy(rc->buf, rc->pos, len);
+		rc->buf[len] = '\0';
+		rc->pos = l_end + 1;
+	}
+
+	rc->buf[rc->buf_len - 1] = '\0';
+	pos = rc->buf;
+	while (*pos != '\0') {
+		if (*pos == '\n' || *pos == '\r') {
+			*pos = '\0';
+			break;
+		}
+		pos++;
+	}
+
+	pos = os_strchr(rc->buf, '=');
+	if (pos)
+		*pos++ = '\0';
+	*value = pos;
+
+	return 0;
+}
+
+
+static u8 * eap_fast_parse_hex(const char *value, size_t *len)
+{
+	int hlen;
+	u8 *buf;
+
+	if (value == NULL)
+		return NULL;
+	hlen = os_strlen(value);
+	if (hlen & 1)
+		return NULL;
+	*len = hlen / 2;
+	buf = os_malloc(*len);
+	if (buf == NULL)
+		return NULL;
+	if (hexstr2bin(value, buf, *len)) {
+		os_free(buf);
+		return NULL;
+	}
+	return buf;
+}
+
+
+static int eap_fast_init_pac_data(struct eap_sm *sm, const char *pac_file,
+				  struct eap_fast_read_ctx *rc)
+{
+	os_memset(rc, 0, sizeof(*rc));
+
+	rc->buf_len = 2048;
+	rc->buf = os_malloc(rc->buf_len);
+	if (rc->buf == NULL)
+		return -1;
+
+	if (os_strncmp(pac_file, "blob://", 7) == 0) {
+		const struct wpa_config_blob *blob;
+		blob = eap_get_config_blob(sm, pac_file + 7);
+		if (blob == NULL) {
+			wpa_printf(MSG_INFO, "EAP-FAST: No PAC blob '%s' - "
+				   "assume no PAC entries have been "
+				   "provisioned", pac_file + 7);
+			os_free(rc->buf);
+			return -1;
+		}
+		rc->pos = (char *) blob->data;
+		rc->end = (char *) blob->data + blob->len;
+	} else {
+		rc->f = fopen(pac_file, "rb");
+		if (rc->f == NULL) {
+			wpa_printf(MSG_INFO, "EAP-FAST: No PAC file '%s' - "
+				   "assume no PAC entries have been "
+				   "provisioned", pac_file);
+			os_free(rc->buf);
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+
+static void eap_fast_deinit_pac_data(struct eap_fast_read_ctx *rc)
+{
+	os_free(rc->buf);
+	if (rc->f)
+		fclose(rc->f);
+}
+
+
+static const char * eap_fast_parse_start(struct eap_fast_pac **pac)
+{
+	if (*pac)
+		return "START line without END";
+
+	*pac = os_zalloc(sizeof(struct eap_fast_pac));
+	if (*pac == NULL)
+		return "No memory for PAC entry";
+	(*pac)->pac_type = PAC_TYPE_TUNNEL_PAC;
+	return NULL;
+}
+
+
+static const char * eap_fast_parse_end(struct eap_fast_pac **pac_root,
+				       struct eap_fast_pac **pac)
+{
+	if (*pac == NULL)
+		return "END line without START";
+	if (*pac_root) {
+		struct eap_fast_pac *end = *pac_root;
+		while (end->next)
+			end = end->next;
+		end->next = *pac;
+	} else
+		*pac_root = *pac;
+
+	*pac = NULL;
+	return NULL;
+}
+
+
+static const char * eap_fast_parse_pac_type(struct eap_fast_pac *pac,
+					    char *pos)
+{
+	pac->pac_type = atoi(pos);
+	if (pac->pac_type != PAC_TYPE_TUNNEL_PAC &&
+	    pac->pac_type != PAC_TYPE_USER_AUTHORIZATION &&
+	    pac->pac_type != PAC_TYPE_MACHINE_AUTHENTICATION)
+		return "Unrecognized PAC-Type";
+
+	return NULL;
+}
+
+
+static const char * eap_fast_parse_pac_key(struct eap_fast_pac *pac, char *pos)
+{
+	u8 *key;
+	size_t key_len;
+
+	key = eap_fast_parse_hex(pos, &key_len);
+	if (key == NULL || key_len != EAP_FAST_PAC_KEY_LEN) {
+		os_free(key);
+		return "Invalid PAC-Key";
+	}
+
+	os_memcpy(pac->pac_key, key, EAP_FAST_PAC_KEY_LEN);
+	os_free(key);
+
+	return NULL;
+}
+
+
+static const char * eap_fast_parse_pac_opaque(struct eap_fast_pac *pac,
+					      char *pos)
+{
+	os_free(pac->pac_opaque);
+	pac->pac_opaque = eap_fast_parse_hex(pos, &pac->pac_opaque_len);
+	if (pac->pac_opaque == NULL)
+		return "Invalid PAC-Opaque";
+	return NULL;
+}
+
+
+static const char * eap_fast_parse_a_id(struct eap_fast_pac *pac, char *pos)
+{
+	os_free(pac->a_id);
+	pac->a_id = eap_fast_parse_hex(pos, &pac->a_id_len);
+	if (pac->a_id == NULL)
+		return "Invalid A-ID";
+	return NULL;
+}
+
+
+static const char * eap_fast_parse_i_id(struct eap_fast_pac *pac, char *pos)
+{
+	os_free(pac->i_id);
+	pac->i_id = eap_fast_parse_hex(pos, &pac->i_id_len);
+	if (pac->i_id == NULL)
+		return "Invalid I-ID";
+	return NULL;
+}
+
+
+static const char * eap_fast_parse_a_id_info(struct eap_fast_pac *pac,
+					     char *pos)
+{
+	os_free(pac->a_id_info);
+	pac->a_id_info = eap_fast_parse_hex(pos, &pac->a_id_info_len);
+	if (pac->a_id_info == NULL)
+		return "Invalid A-ID-Info";
+	return NULL;
+}
+
+
+/**
+ * eap_fast_load_pac - Load PAC entries (text format)
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @pac_root: Pointer to root of the PAC list (to be filled)
+ * @pac_file: Name of the PAC file/blob to load
+ * Returns: 0 on success, -1 on failure
+ */
+int eap_fast_load_pac(struct eap_sm *sm, struct eap_fast_pac **pac_root,
+		      const char *pac_file)
+{
+	struct eap_fast_read_ctx rc;
+	struct eap_fast_pac *pac = NULL;
+	int count = 0;
+	char *pos;
+	const char *err = NULL;
+
+	if (pac_file == NULL)
+		return -1;
+
+	if (eap_fast_init_pac_data(sm, pac_file, &rc) < 0)
+		return 0;
+
+	if (eap_fast_read_line(&rc, &pos) < 0 ||
+	    os_strcmp(pac_file_hdr, rc.buf) != 0)
+		err = "Unrecognized header line";
+
+	while (!err && eap_fast_read_line(&rc, &pos) == 0) {
+		if (os_strcmp(rc.buf, "START") == 0)
+			err = eap_fast_parse_start(&pac);
+		else if (os_strcmp(rc.buf, "END") == 0) {
+			err = eap_fast_parse_end(pac_root, &pac);
+			count++;
+		} else if (!pac)
+			err = "Unexpected line outside START/END block";
+		else if (os_strcmp(rc.buf, "PAC-Type") == 0)
+			err = eap_fast_parse_pac_type(pac, pos);
+		else if (os_strcmp(rc.buf, "PAC-Key") == 0)
+			err = eap_fast_parse_pac_key(pac, pos);
+		else if (os_strcmp(rc.buf, "PAC-Opaque") == 0)
+			err = eap_fast_parse_pac_opaque(pac, pos);
+		else if (os_strcmp(rc.buf, "A-ID") == 0)
+			err = eap_fast_parse_a_id(pac, pos);
+		else if (os_strcmp(rc.buf, "I-ID") == 0)
+			err = eap_fast_parse_i_id(pac, pos);
+		else if (os_strcmp(rc.buf, "A-ID-Info") == 0)
+			err = eap_fast_parse_a_id_info(pac, pos);
+	}
+
+	if (pac) {
+		err = "PAC block not terminated with END";
+		eap_fast_free_pac(pac);
+	}
+
+	eap_fast_deinit_pac_data(&rc);
+
+	if (err) {
+		wpa_printf(MSG_INFO, "EAP-FAST: %s in '%s:%d'",
+			   err, pac_file, rc.line);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Read %d PAC entries from '%s'",
+		   count, pac_file);
+
+	return 0;
+}
+
+
+static void eap_fast_write(char **buf, char **pos, size_t *buf_len,
+			   const char *field, const u8 *data,
+			   size_t len, int txt)
+{
+	size_t i, need;
+	int ret;
+	char *end;
+
+	if (data == NULL || buf == NULL || *buf == NULL ||
+	    pos == NULL || *pos == NULL || *pos < *buf)
+		return;
+
+	need = os_strlen(field) + len * 2 + 30;
+	if (txt)
+		need += os_strlen(field) + len + 20;
+
+	if (*pos - *buf + need > *buf_len) {
+		char *nbuf = os_realloc(*buf, *buf_len + need);
+		if (nbuf == NULL) {
+			os_free(*buf);
+			*buf = NULL;
+			return;
+		}
+		*pos = nbuf + (*pos - *buf);
+		*buf = nbuf;
+		*buf_len += need;
+	}
+	end = *buf + *buf_len;
+
+	ret = os_snprintf(*pos, end - *pos, "%s=", field);
+	if (ret < 0 || ret >= end - *pos)
+		return;
+	*pos += ret;
+	*pos += wpa_snprintf_hex(*pos, end - *pos, data, len);
+	ret = os_snprintf(*pos, end - *pos, "\n");
+	if (ret < 0 || ret >= end - *pos)
+		return;
+	*pos += ret;
+
+	if (txt) {
+		ret = os_snprintf(*pos, end - *pos, "%s-txt=", field);
+		if (ret < 0 || ret >= end - *pos)
+			return;
+		*pos += ret;
+		for (i = 0; i < len; i++) {
+			ret = os_snprintf(*pos, end - *pos, "%c", data[i]);
+			if (ret < 0 || ret >= end - *pos)
+				return;
+			*pos += ret;
+		}
+		ret = os_snprintf(*pos, end - *pos, "\n");
+		if (ret < 0 || ret >= end - *pos)
+			return;
+		*pos += ret;
+	}
+}
+
+
+static int eap_fast_write_pac(struct eap_sm *sm, const char *pac_file,
+			      char *buf, size_t len)
+{
+	if (os_strncmp(pac_file, "blob://", 7) == 0) {
+		struct wpa_config_blob *blob;
+		blob = os_zalloc(sizeof(*blob));
+		if (blob == NULL)
+			return -1;
+		blob->data = (u8 *) buf;
+		blob->len = len;
+		buf = NULL;
+		blob->name = os_strdup(pac_file + 7);
+		if (blob->name == NULL) {
+			os_free(blob);
+			return -1;
+		}
+		eap_set_config_blob(sm, blob);
+	} else {
+		FILE *f;
+		f = fopen(pac_file, "wb");
+		if (f == NULL) {
+			wpa_printf(MSG_INFO, "EAP-FAST: Failed to open PAC "
+				   "file '%s' for writing", pac_file);
+			return -1;
+		}
+		if (fwrite(buf, 1, len, f) != len) {
+			wpa_printf(MSG_INFO, "EAP-FAST: Failed to write all "
+				   "PACs into '%s'", pac_file);
+			fclose(f);
+			return -1;
+		}
+		os_free(buf);
+		fclose(f);
+	}
+
+	return 0;
+}
+
+
+static int eap_fast_add_pac_data(struct eap_fast_pac *pac, char **buf,
+				 char **pos, size_t *buf_len)
+{
+	int ret;
+
+	ret = os_snprintf(*pos, *buf + *buf_len - *pos,
+			  "START\nPAC-Type=%d\n", pac->pac_type);
+	if (ret < 0 || ret >= *buf + *buf_len - *pos)
+		return -1;
+
+	*pos += ret;
+	eap_fast_write(buf, pos, buf_len, "PAC-Key",
+		       pac->pac_key, EAP_FAST_PAC_KEY_LEN, 0);
+	eap_fast_write(buf, pos, buf_len, "PAC-Opaque",
+		       pac->pac_opaque, pac->pac_opaque_len, 0);
+	eap_fast_write(buf, pos, buf_len, "PAC-Info",
+		       pac->pac_info, pac->pac_info_len, 0);
+	eap_fast_write(buf, pos, buf_len, "A-ID",
+		       pac->a_id, pac->a_id_len, 0);
+	eap_fast_write(buf, pos, buf_len, "I-ID",
+		       pac->i_id, pac->i_id_len, 1);
+	eap_fast_write(buf, pos, buf_len, "A-ID-Info",
+		       pac->a_id_info, pac->a_id_info_len, 1);
+	if (*buf == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: No memory for PAC "
+			   "data");
+		return -1;
+	}
+	ret = os_snprintf(*pos, *buf + *buf_len - *pos, "END\n");
+	if (ret < 0 || ret >= *buf + *buf_len - *pos)
+		return -1;
+	*pos += ret;
+
+	return 0;
+}
+
+
+/**
+ * eap_fast_save_pac - Save PAC entries (text format)
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @pac_root: Root of the PAC list
+ * @pac_file: Name of the PAC file/blob
+ * Returns: 0 on success, -1 on failure
+ */
+int eap_fast_save_pac(struct eap_sm *sm, struct eap_fast_pac *pac_root,
+		      const char *pac_file)
+{
+	struct eap_fast_pac *pac;
+	int ret, count = 0;
+	char *buf, *pos;
+	size_t buf_len;
+
+	if (pac_file == NULL)
+		return -1;
+
+	buf_len = 1024;
+	pos = buf = os_malloc(buf_len);
+	if (buf == NULL)
+		return -1;
+
+	ret = os_snprintf(pos, buf + buf_len - pos, "%s\n", pac_file_hdr);
+	if (ret < 0 || ret >= buf + buf_len - pos) {
+		os_free(buf);
+		return -1;
+	}
+	pos += ret;
+
+	pac = pac_root;
+	while (pac) {
+		if (eap_fast_add_pac_data(pac, &buf, &pos, &buf_len)) {
+			os_free(buf);
+			return -1;
+		}
+		count++;
+		pac = pac->next;
+	}
+
+	if (eap_fast_write_pac(sm, pac_file, buf, pos - buf)) {
+		os_free(buf);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Wrote %d PAC entries into '%s'",
+		   count, pac_file);
+
+	return 0;
+}
+
+
+/**
+ * eap_fast_pac_list_truncate - Truncate a PAC list to the given length
+ * @pac_root: Root of the PAC list
+ * @max_len: Maximum length of the list (>= 1)
+ * Returns: Number of PAC entries removed
+ */
+size_t eap_fast_pac_list_truncate(struct eap_fast_pac *pac_root,
+				  size_t max_len)
+{
+	struct eap_fast_pac *pac, *prev;
+	size_t count;
+
+	pac = pac_root;
+	prev = NULL;
+	count = 0;
+
+	while (pac) {
+		count++;
+		if (count > max_len)
+			break;
+		prev = pac;
+		pac = pac->next;
+	}
+
+	if (count <= max_len || prev == NULL)
+		return 0;
+
+	count = 0;
+	prev->next = NULL;
+
+	while (pac) {
+		prev = pac;
+		pac = pac->next;
+		eap_fast_free_pac(prev);
+		count++;
+	}
+
+	return count;
+}
+
+
+static void eap_fast_pac_get_a_id(struct eap_fast_pac *pac)
+{
+	u8 *pos, *end;
+	u16 type, len;
+
+	pos = pac->pac_info;
+	end = pos + pac->pac_info_len;
+
+	while (pos + 4 < end) {
+		type = WPA_GET_BE16(pos);
+		pos += 2;
+		len = WPA_GET_BE16(pos);
+		pos += 2;
+		if (pos + len > end)
+			break;
+
+		if (type == PAC_TYPE_A_ID) {
+			os_free(pac->a_id);
+			pac->a_id = os_malloc(len);
+			if (pac->a_id == NULL)
+				break;
+			os_memcpy(pac->a_id, pos, len);
+			pac->a_id_len = len;
+		}
+
+		if (type == PAC_TYPE_A_ID_INFO) {
+			os_free(pac->a_id_info);
+			pac->a_id_info = os_malloc(len);
+			if (pac->a_id_info == NULL)
+				break;
+			os_memcpy(pac->a_id_info, pos, len);
+			pac->a_id_info_len = len;
+		}
+
+		pos += len;
+	}
+}
+
+
+/**
+ * eap_fast_load_pac_bin - Load PAC entries (binary format)
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @pac_root: Pointer to root of the PAC list (to be filled)
+ * @pac_file: Name of the PAC file/blob to load
+ * Returns: 0 on success, -1 on failure
+ */
+int eap_fast_load_pac_bin(struct eap_sm *sm, struct eap_fast_pac **pac_root,
+			  const char *pac_file)
+{
+	const struct wpa_config_blob *blob = NULL;
+	u8 *buf, *end, *pos;
+	size_t len, count = 0;
+	struct eap_fast_pac *pac, *prev;
+
+	*pac_root = NULL;
+
+	if (pac_file == NULL)
+		return -1;
+
+	if (os_strncmp(pac_file, "blob://", 7) == 0) {
+		blob = eap_get_config_blob(sm, pac_file + 7);
+		if (blob == NULL) {
+			wpa_printf(MSG_INFO, "EAP-FAST: No PAC blob '%s' - "
+				   "assume no PAC entries have been "
+				   "provisioned", pac_file + 7);
+			return 0;
+		}
+		buf = blob->data;
+		len = blob->len;
+	} else {
+		buf = (u8 *) os_readfile(pac_file, &len);
+		if (buf == NULL) {
+			wpa_printf(MSG_INFO, "EAP-FAST: No PAC file '%s' - "
+				   "assume no PAC entries have been "
+				   "provisioned", pac_file);
+			return 0;
+		}
+	}
+
+	if (len == 0) {
+		if (blob == NULL)
+			os_free(buf);
+		return 0;
+	}
+
+	if (len < 6 || WPA_GET_BE32(buf) != EAP_FAST_PAC_BINARY_MAGIC ||
+	    WPA_GET_BE16(buf + 4) != EAP_FAST_PAC_BINARY_FORMAT_VERSION) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Invalid PAC file '%s' (bin)",
+			   pac_file);
+		if (blob == NULL)
+			os_free(buf);
+		return -1;
+	}
+
+	pac = prev = NULL;
+	pos = buf + 6;
+	end = buf + len;
+	while (pos < end) {
+		if (end - pos < 2 + 32 + 2 + 2)
+			goto parse_fail;
+
+		pac = os_zalloc(sizeof(*pac));
+		if (pac == NULL)
+			goto parse_fail;
+
+		pac->pac_type = WPA_GET_BE16(pos);
+		pos += 2;
+		os_memcpy(pac->pac_key, pos, EAP_FAST_PAC_KEY_LEN);
+		pos += EAP_FAST_PAC_KEY_LEN;
+		pac->pac_opaque_len = WPA_GET_BE16(pos);
+		pos += 2;
+		if (pos + pac->pac_opaque_len + 2 > end)
+			goto parse_fail;
+		pac->pac_opaque = os_malloc(pac->pac_opaque_len);
+		if (pac->pac_opaque == NULL)
+			goto parse_fail;
+		os_memcpy(pac->pac_opaque, pos, pac->pac_opaque_len);
+		pos += pac->pac_opaque_len;
+		pac->pac_info_len = WPA_GET_BE16(pos);
+		pos += 2;
+		if (pos + pac->pac_info_len > end)
+			goto parse_fail;
+		pac->pac_info = os_malloc(pac->pac_info_len);
+		if (pac->pac_info == NULL)
+			goto parse_fail;
+		os_memcpy(pac->pac_info, pos, pac->pac_info_len);
+		pos += pac->pac_info_len;
+		eap_fast_pac_get_a_id(pac);
+
+		count++;
+		if (prev)
+			prev->next = pac;
+		else
+			*pac_root = pac;
+		prev = pac;
+	}
+
+	if (blob == NULL)
+		os_free(buf);
+
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Read %lu PAC entries from '%s' (bin)",
+		   (unsigned long) count, pac_file);
+
+	return 0;
+
+parse_fail:
+	wpa_printf(MSG_INFO, "EAP-FAST: Failed to parse PAC file '%s' (bin)",
+		   pac_file);
+	if (blob == NULL)
+		os_free(buf);
+	if (pac)
+		eap_fast_free_pac(pac);
+	return -1;
+}
+
+
+/**
+ * eap_fast_save_pac_bin - Save PAC entries (binary format)
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @pac_root: Root of the PAC list
+ * @pac_file: Name of the PAC file/blob
+ * Returns: 0 on success, -1 on failure
+ */
+int eap_fast_save_pac_bin(struct eap_sm *sm, struct eap_fast_pac *pac_root,
+			  const char *pac_file)
+{
+	size_t len, count = 0;
+	struct eap_fast_pac *pac;
+	u8 *buf, *pos;
+
+	len = 6;
+	pac = pac_root;
+	while (pac) {
+		if (pac->pac_opaque_len > 65535 ||
+		    pac->pac_info_len > 65535)
+			return -1;
+		len += 2 + EAP_FAST_PAC_KEY_LEN + 2 + pac->pac_opaque_len +
+			2 + pac->pac_info_len;
+		pac = pac->next;
+	}
+
+	buf = os_malloc(len);
+	if (buf == NULL)
+		return -1;
+
+	pos = buf;
+	WPA_PUT_BE32(pos, EAP_FAST_PAC_BINARY_MAGIC);
+	pos += 4;
+	WPA_PUT_BE16(pos, EAP_FAST_PAC_BINARY_FORMAT_VERSION);
+	pos += 2;
+
+	pac = pac_root;
+	while (pac) {
+		WPA_PUT_BE16(pos, pac->pac_type);
+		pos += 2;
+		os_memcpy(pos, pac->pac_key, EAP_FAST_PAC_KEY_LEN);
+		pos += EAP_FAST_PAC_KEY_LEN;
+		WPA_PUT_BE16(pos, pac->pac_opaque_len);
+		pos += 2;
+		os_memcpy(pos, pac->pac_opaque, pac->pac_opaque_len);
+		pos += pac->pac_opaque_len;
+		WPA_PUT_BE16(pos, pac->pac_info_len);
+		pos += 2;
+		os_memcpy(pos, pac->pac_info, pac->pac_info_len);
+		pos += pac->pac_info_len;
+
+		pac = pac->next;
+		count++;
+	}
+
+	if (eap_fast_write_pac(sm, pac_file, (char *) buf, len)) {
+		os_free(buf);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Wrote %lu PAC entries into '%s' "
+		   "(bin)", (unsigned long) count, pac_file);
+
+	return 0;
+}
diff --git a/src/eap_peer/eap_fast_pac.h b/src/eap_peer/eap_fast_pac.h
new file mode 100644
index 0000000..9483f96
--- /dev/null
+++ b/src/eap_peer/eap_fast_pac.h
@@ -0,0 +1,56 @@
+/*
+ * EAP peer method: EAP-FAST PAC file processing
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_FAST_PAC_H
+#define EAP_FAST_PAC_H
+
+#include "eap_common/eap_fast_common.h"
+
+struct eap_fast_pac {
+	struct eap_fast_pac *next;
+
+	u8 pac_key[EAP_FAST_PAC_KEY_LEN];
+	u8 *pac_opaque;
+	size_t pac_opaque_len;
+	u8 *pac_info;
+	size_t pac_info_len;
+	u8 *a_id;
+	size_t a_id_len;
+	u8 *i_id;
+	size_t i_id_len;
+	u8 *a_id_info;
+	size_t a_id_info_len;
+	u16 pac_type;
+};
+
+
+void eap_fast_free_pac(struct eap_fast_pac *pac);
+struct eap_fast_pac * eap_fast_get_pac(struct eap_fast_pac *pac_root,
+				       const u8 *a_id, size_t a_id_len,
+				       u16 pac_type);
+int eap_fast_add_pac(struct eap_fast_pac **pac_root,
+		     struct eap_fast_pac **pac_current,
+		     struct eap_fast_pac *entry);
+int eap_fast_load_pac(struct eap_sm *sm, struct eap_fast_pac **pac_root,
+		      const char *pac_file);
+int eap_fast_save_pac(struct eap_sm *sm, struct eap_fast_pac *pac_root,
+		      const char *pac_file);
+size_t eap_fast_pac_list_truncate(struct eap_fast_pac *pac_root,
+				  size_t max_len);
+int eap_fast_load_pac_bin(struct eap_sm *sm, struct eap_fast_pac **pac_root,
+			  const char *pac_file);
+int eap_fast_save_pac_bin(struct eap_sm *sm, struct eap_fast_pac *pac_root,
+			  const char *pac_file);
+
+#endif /* EAP_FAST_PAC_H */
diff --git a/src/eap_peer/eap_gpsk.c b/src/eap_peer/eap_gpsk.c
new file mode 100644
index 0000000..5037c60
--- /dev/null
+++ b/src/eap_peer/eap_gpsk.c
@@ -0,0 +1,738 @@
+/*
+ * EAP peer method: EAP-GPSK (RFC 5433)
+ * Copyright (c) 2006-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/random.h"
+#include "eap_peer/eap_i.h"
+#include "eap_common/eap_gpsk_common.h"
+
+struct eap_gpsk_data {
+	enum { GPSK_1, GPSK_3, SUCCESS, FAILURE } state;
+	u8 rand_server[EAP_GPSK_RAND_LEN];
+	u8 rand_peer[EAP_GPSK_RAND_LEN];
+	u8 msk[EAP_MSK_LEN];
+	u8 emsk[EAP_EMSK_LEN];
+	u8 sk[EAP_GPSK_MAX_SK_LEN];
+	size_t sk_len;
+	u8 pk[EAP_GPSK_MAX_PK_LEN];
+	size_t pk_len;
+	u8 session_id;
+	int session_id_set;
+	u8 *id_peer;
+	size_t id_peer_len;
+	u8 *id_server;
+	size_t id_server_len;
+	int vendor; /* CSuite/Specifier */
+	int specifier; /* CSuite/Specifier */
+	u8 *psk;
+	size_t psk_len;
+};
+
+
+static struct wpabuf * eap_gpsk_send_gpsk_2(struct eap_gpsk_data *data,
+					    u8 identifier,
+					    const u8 *csuite_list,
+					    size_t csuite_list_len);
+static struct wpabuf * eap_gpsk_send_gpsk_4(struct eap_gpsk_data *data,
+					    u8 identifier);
+
+
+#ifndef CONFIG_NO_STDOUT_DEBUG
+static const char * eap_gpsk_state_txt(int state)
+{
+	switch (state) {
+	case GPSK_1:
+		return "GPSK-1";
+	case GPSK_3:
+		return "GPSK-3";
+	case SUCCESS:
+		return "SUCCESS";
+	case FAILURE:
+		return "FAILURE";
+	default:
+		return "?";
+	}
+}
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+
+
+static void eap_gpsk_state(struct eap_gpsk_data *data, int state)
+{
+	wpa_printf(MSG_DEBUG, "EAP-GPSK: %s -> %s",
+		   eap_gpsk_state_txt(data->state),
+		   eap_gpsk_state_txt(state));
+	data->state = state;
+}
+
+
+static void eap_gpsk_deinit(struct eap_sm *sm, void *priv);
+
+
+static void * eap_gpsk_init(struct eap_sm *sm)
+{
+	struct eap_gpsk_data *data;
+	const u8 *identity, *password;
+	size_t identity_len, password_len;
+
+	password = eap_get_config_password(sm, &password_len);
+	if (password == NULL) {
+		wpa_printf(MSG_INFO, "EAP-GPSK: No key (password) configured");
+		return NULL;
+	}
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = GPSK_1;
+
+	identity = eap_get_config_identity(sm, &identity_len);
+	if (identity) {
+		data->id_peer = os_malloc(identity_len);
+		if (data->id_peer == NULL) {
+			eap_gpsk_deinit(sm, data);
+			return NULL;
+		}
+		os_memcpy(data->id_peer, identity, identity_len);
+		data->id_peer_len = identity_len;
+	}
+
+	data->psk = os_malloc(password_len);
+	if (data->psk == NULL) {
+		eap_gpsk_deinit(sm, data);
+		return NULL;
+	}
+	os_memcpy(data->psk, password, password_len);
+	data->psk_len = password_len;
+
+	return data;
+}
+
+
+static void eap_gpsk_deinit(struct eap_sm *sm, void *priv)
+{
+	struct eap_gpsk_data *data = priv;
+	os_free(data->id_server);
+	os_free(data->id_peer);
+	os_free(data->psk);
+	os_free(data);
+}
+
+
+static const u8 * eap_gpsk_process_id_server(struct eap_gpsk_data *data,
+					     const u8 *pos, const u8 *end)
+{
+	u16 alen;
+
+	if (end - pos < 2) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short GPSK-1 packet");
+		return NULL;
+	}
+	alen = WPA_GET_BE16(pos);
+	pos += 2;
+	if (end - pos < alen) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: ID_Server overflow");
+		return NULL;
+	}
+	os_free(data->id_server);
+	data->id_server = os_malloc(alen);
+	if (data->id_server == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: No memory for ID_Server");
+		return NULL;
+	}
+	os_memcpy(data->id_server, pos, alen);
+	data->id_server_len = alen;
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-GPSK: ID_Server",
+			  data->id_server, data->id_server_len);
+	pos += alen;
+
+	return pos;
+}
+
+
+static const u8 * eap_gpsk_process_rand_server(struct eap_gpsk_data *data,
+					       const u8 *pos, const u8 *end)
+{
+	if (pos == NULL)
+		return NULL;
+
+	if (end - pos < EAP_GPSK_RAND_LEN) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: RAND_Server overflow");
+		return NULL;
+	}
+	os_memcpy(data->rand_server, pos, EAP_GPSK_RAND_LEN);
+	wpa_hexdump(MSG_DEBUG, "EAP-GPSK: RAND_Server",
+		    data->rand_server, EAP_GPSK_RAND_LEN);
+	pos += EAP_GPSK_RAND_LEN;
+
+	return pos;
+}
+
+
+static int eap_gpsk_select_csuite(struct eap_sm *sm,
+				  struct eap_gpsk_data *data,
+				  const u8 *csuite_list,
+				  size_t csuite_list_len)
+{
+	struct eap_gpsk_csuite *csuite;
+	int i, count;
+
+	count = csuite_list_len / sizeof(struct eap_gpsk_csuite);
+	data->vendor = EAP_GPSK_VENDOR_IETF;
+	data->specifier = EAP_GPSK_CIPHER_RESERVED;
+	csuite = (struct eap_gpsk_csuite *) csuite_list;
+	for (i = 0; i < count; i++) {
+		int vendor, specifier;
+		vendor = WPA_GET_BE32(csuite->vendor);
+		specifier = WPA_GET_BE16(csuite->specifier);
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: CSuite[%d]: %d:%d",
+			   i, vendor, specifier);
+		if (data->vendor == EAP_GPSK_VENDOR_IETF &&
+		    data->specifier == EAP_GPSK_CIPHER_RESERVED &&
+		    eap_gpsk_supported_ciphersuite(vendor, specifier)) {
+			data->vendor = vendor;
+			data->specifier = specifier;
+		}
+		csuite++;
+	}
+	if (data->vendor == EAP_GPSK_VENDOR_IETF &&
+	    data->specifier == EAP_GPSK_CIPHER_RESERVED) {
+		wpa_msg(sm->msg_ctx, MSG_INFO, "EAP-GPSK: No supported "
+			"ciphersuite found");
+		return -1;
+	}
+	wpa_printf(MSG_DEBUG, "EAP-GPSK: Selected ciphersuite %d:%d",
+		   data->vendor, data->specifier);
+
+	return 0;
+}
+
+
+static const u8 * eap_gpsk_process_csuite_list(struct eap_sm *sm,
+					       struct eap_gpsk_data *data,
+					       const u8 **list,
+					       size_t *list_len,
+					       const u8 *pos, const u8 *end)
+{
+	if (pos == NULL)
+		return NULL;
+
+	if (end - pos < 2) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short GPSK-1 packet");
+		return NULL;
+	}
+	*list_len = WPA_GET_BE16(pos);
+	pos += 2;
+	if (end - pos < (int) *list_len) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: CSuite_List overflow");
+		return NULL;
+	}
+	if (*list_len == 0 || (*list_len % sizeof(struct eap_gpsk_csuite))) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Invalid CSuite_List len %lu",
+			   (unsigned long) *list_len);
+		return NULL;
+	}
+	*list = pos;
+	pos += *list_len;
+
+	if (eap_gpsk_select_csuite(sm, data, *list, *list_len) < 0)
+		return NULL;
+
+	return pos;
+}
+
+
+static struct wpabuf * eap_gpsk_process_gpsk_1(struct eap_sm *sm,
+					       struct eap_gpsk_data *data,
+					       struct eap_method_ret *ret,
+					       const struct wpabuf *reqData,
+					       const u8 *payload,
+					       size_t payload_len)
+{
+	size_t csuite_list_len;
+	const u8 *csuite_list, *pos, *end;
+	struct wpabuf *resp;
+
+	if (data->state != GPSK_1) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-GPSK: Received Request/GPSK-1");
+
+	end = payload + payload_len;
+
+	pos = eap_gpsk_process_id_server(data, payload, end);
+	pos = eap_gpsk_process_rand_server(data, pos, end);
+	pos = eap_gpsk_process_csuite_list(sm, data, &csuite_list,
+					   &csuite_list_len, pos, end);
+	if (pos == NULL) {
+		eap_gpsk_state(data, FAILURE);
+		return NULL;
+	}
+
+	resp = eap_gpsk_send_gpsk_2(data, eap_get_id(reqData),
+				    csuite_list, csuite_list_len);
+	if (resp == NULL)
+		return NULL;
+
+	eap_gpsk_state(data, GPSK_3);
+
+	return resp;
+}
+
+
+static struct wpabuf * eap_gpsk_send_gpsk_2(struct eap_gpsk_data *data,
+					    u8 identifier,
+					    const u8 *csuite_list,
+					    size_t csuite_list_len)
+{
+	struct wpabuf *resp;
+	size_t len, miclen;
+	u8 *rpos, *start;
+	struct eap_gpsk_csuite *csuite;
+
+	wpa_printf(MSG_DEBUG, "EAP-GPSK: Sending Response/GPSK-2");
+
+	miclen = eap_gpsk_mic_len(data->vendor, data->specifier);
+	len = 1 + 2 + data->id_peer_len + 2 + data->id_server_len +
+		2 * EAP_GPSK_RAND_LEN + 2 + csuite_list_len +
+		sizeof(struct eap_gpsk_csuite) + 2 + miclen;
+
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_GPSK, len,
+			     EAP_CODE_RESPONSE, identifier);
+	if (resp == NULL)
+		return NULL;
+
+	wpabuf_put_u8(resp, EAP_GPSK_OPCODE_GPSK_2);
+	start = wpabuf_put(resp, 0);
+
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-GPSK: ID_Peer",
+			  data->id_peer, data->id_peer_len);
+	wpabuf_put_be16(resp, data->id_peer_len);
+	wpabuf_put_data(resp, data->id_peer, data->id_peer_len);
+
+	wpabuf_put_be16(resp, data->id_server_len);
+	wpabuf_put_data(resp, data->id_server, data->id_server_len);
+
+	if (random_get_bytes(data->rand_peer, EAP_GPSK_RAND_LEN)) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Failed to get random data "
+			   "for RAND_Peer");
+		eap_gpsk_state(data, FAILURE);
+		wpabuf_free(resp);
+		return NULL;
+	}
+	wpa_hexdump(MSG_DEBUG, "EAP-GPSK: RAND_Peer",
+		    data->rand_peer, EAP_GPSK_RAND_LEN);
+	wpabuf_put_data(resp, data->rand_peer, EAP_GPSK_RAND_LEN);
+	wpabuf_put_data(resp, data->rand_server, EAP_GPSK_RAND_LEN);
+
+	wpabuf_put_be16(resp, csuite_list_len);
+	wpabuf_put_data(resp, csuite_list, csuite_list_len);
+
+	csuite = wpabuf_put(resp, sizeof(*csuite));
+	WPA_PUT_BE32(csuite->vendor, data->vendor);
+	WPA_PUT_BE16(csuite->specifier, data->specifier);
+
+	if (eap_gpsk_derive_keys(data->psk, data->psk_len,
+				 data->vendor, data->specifier,
+				 data->rand_peer, data->rand_server,
+				 data->id_peer, data->id_peer_len,
+				 data->id_server, data->id_server_len,
+				 data->msk, data->emsk,
+				 data->sk, &data->sk_len,
+				 data->pk, &data->pk_len) < 0) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Failed to derive keys");
+		eap_gpsk_state(data, FAILURE);
+		wpabuf_free(resp);
+		return NULL;
+	}
+
+	/* No PD_Payload_1 */
+	wpabuf_put_be16(resp, 0);
+
+	rpos = wpabuf_put(resp, miclen);
+	if (eap_gpsk_compute_mic(data->sk, data->sk_len, data->vendor,
+				 data->specifier, start, rpos - start, rpos) <
+	    0) {
+		eap_gpsk_state(data, FAILURE);
+		wpabuf_free(resp);
+		return NULL;
+	}
+
+	return resp;
+}
+
+
+static const u8 * eap_gpsk_validate_rand(struct eap_gpsk_data *data,
+					 const u8 *pos, const u8 *end)
+{
+	if (end - pos < EAP_GPSK_RAND_LEN) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Message too short for "
+			   "RAND_Peer");
+		return NULL;
+	}
+	if (os_memcmp(pos, data->rand_peer, EAP_GPSK_RAND_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: RAND_Peer in GPSK-2 and "
+			   "GPSK-3 did not match");
+		wpa_hexdump(MSG_DEBUG, "EAP-GPSK: RAND_Peer in GPSK-2",
+			    data->rand_peer, EAP_GPSK_RAND_LEN);
+		wpa_hexdump(MSG_DEBUG, "EAP-GPSK: RAND_Peer in GPSK-3",
+			    pos, EAP_GPSK_RAND_LEN);
+		return NULL;
+	}
+	pos += EAP_GPSK_RAND_LEN;
+
+	if (end - pos < EAP_GPSK_RAND_LEN) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Message too short for "
+			   "RAND_Server");
+		return NULL;
+	}
+	if (os_memcmp(pos, data->rand_server, EAP_GPSK_RAND_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: RAND_Server in GPSK-1 and "
+			   "GPSK-3 did not match");
+		wpa_hexdump(MSG_DEBUG, "EAP-GPSK: RAND_Server in GPSK-1",
+			    data->rand_server, EAP_GPSK_RAND_LEN);
+		wpa_hexdump(MSG_DEBUG, "EAP-GPSK: RAND_Server in GPSK-3",
+			    pos, EAP_GPSK_RAND_LEN);
+		return NULL;
+	}
+	pos += EAP_GPSK_RAND_LEN;
+
+	return pos;
+}
+
+
+static const u8 * eap_gpsk_validate_id_server(struct eap_gpsk_data *data,
+					      const u8 *pos, const u8 *end)
+{
+	size_t len;
+
+	if (pos == NULL)
+		return NULL;
+
+	if (end - pos < (int) 2) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Message too short for "
+			   "length(ID_Server)");
+		return NULL;
+	}
+
+	len = WPA_GET_BE16(pos);
+	pos += 2;
+
+	if (end - pos < (int) len) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Message too short for "
+			   "ID_Server");
+		return NULL;
+	}
+
+	if (len != data->id_server_len ||
+	    os_memcmp(pos, data->id_server, len) != 0) {
+		wpa_printf(MSG_INFO, "EAP-GPSK: ID_Server did not match with "
+			   "the one used in GPSK-1");
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-GPSK: ID_Server in GPSK-1",
+				  data->id_server, data->id_server_len);
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-GPSK: ID_Server in GPSK-3",
+				  pos, len);
+		return NULL;
+	}
+
+	pos += len;
+
+	return pos;
+}
+
+
+static const u8 * eap_gpsk_validate_csuite(struct eap_gpsk_data *data,
+					   const u8 *pos, const u8 *end)
+{
+	int vendor, specifier;
+	const struct eap_gpsk_csuite *csuite;
+
+	if (pos == NULL)
+		return NULL;
+
+	if (end - pos < (int) sizeof(*csuite)) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Message too short for "
+			   "CSuite_Sel");
+		return NULL;
+	}
+	csuite = (const struct eap_gpsk_csuite *) pos;
+	vendor = WPA_GET_BE32(csuite->vendor);
+	specifier = WPA_GET_BE16(csuite->specifier);
+	pos += sizeof(*csuite);
+	if (vendor != data->vendor || specifier != data->specifier) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: CSuite_Sel (%d:%d) does not "
+			   "match with the one sent in GPSK-2 (%d:%d)",
+			   vendor, specifier, data->vendor, data->specifier);
+		return NULL;
+	}
+
+	return pos;
+}
+
+
+static const u8 * eap_gpsk_validate_pd_payload_2(struct eap_gpsk_data *data,
+						 const u8 *pos, const u8 *end)
+{
+	u16 alen;
+
+	if (pos == NULL)
+		return NULL;
+
+	if (end - pos < 2) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Message too short for "
+			   "PD_Payload_2 length");
+		return NULL;
+	}
+	alen = WPA_GET_BE16(pos);
+	pos += 2;
+	if (end - pos < alen) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Message too short for "
+			   "%d-octet PD_Payload_2", alen);
+		return NULL;
+	}
+	wpa_hexdump(MSG_DEBUG, "EAP-GPSK: PD_Payload_2", pos, alen);
+	pos += alen;
+
+	return pos;
+}
+
+
+static const u8 * eap_gpsk_validate_gpsk_3_mic(struct eap_gpsk_data *data,
+					       const u8 *payload,
+					       const u8 *pos, const u8 *end)
+{
+	size_t miclen;
+	u8 mic[EAP_GPSK_MAX_MIC_LEN];
+
+	if (pos == NULL)
+		return NULL;
+
+	miclen = eap_gpsk_mic_len(data->vendor, data->specifier);
+	if (end - pos < (int) miclen) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Message too short for MIC "
+			   "(left=%lu miclen=%lu)",
+			   (unsigned long) (end - pos),
+			   (unsigned long) miclen);
+		return NULL;
+	}
+	if (eap_gpsk_compute_mic(data->sk, data->sk_len, data->vendor,
+				 data->specifier, payload, pos - payload, mic)
+	    < 0) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Failed to compute MIC");
+		return NULL;
+	}
+	if (os_memcmp(mic, pos, miclen) != 0) {
+		wpa_printf(MSG_INFO, "EAP-GPSK: Incorrect MIC in GPSK-3");
+		wpa_hexdump(MSG_DEBUG, "EAP-GPSK: Received MIC", pos, miclen);
+		wpa_hexdump(MSG_DEBUG, "EAP-GPSK: Computed MIC", mic, miclen);
+		return NULL;
+	}
+	pos += miclen;
+
+	return pos;
+}
+
+
+static struct wpabuf * eap_gpsk_process_gpsk_3(struct eap_sm *sm,
+					       struct eap_gpsk_data *data,
+					       struct eap_method_ret *ret,
+					       const struct wpabuf *reqData,
+					       const u8 *payload,
+					       size_t payload_len)
+{
+	struct wpabuf *resp;
+	const u8 *pos, *end;
+
+	if (data->state != GPSK_3) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-GPSK: Received Request/GPSK-3");
+
+	end = payload + payload_len;
+
+	pos = eap_gpsk_validate_rand(data, payload, end);
+	pos = eap_gpsk_validate_id_server(data, pos, end);
+	pos = eap_gpsk_validate_csuite(data, pos, end);
+	pos = eap_gpsk_validate_pd_payload_2(data, pos, end);
+	pos = eap_gpsk_validate_gpsk_3_mic(data, payload, pos, end);
+
+	if (pos == NULL) {
+		eap_gpsk_state(data, FAILURE);
+		return NULL;
+	}
+	if (pos != end) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Ignored %lu bytes of extra "
+			   "data in the end of GPSK-2",
+			   (unsigned long) (end - pos));
+	}
+
+	resp = eap_gpsk_send_gpsk_4(data, eap_get_id(reqData));
+	if (resp == NULL)
+		return NULL;
+
+	eap_gpsk_state(data, SUCCESS);
+	ret->methodState = METHOD_DONE;
+	ret->decision = DECISION_UNCOND_SUCC;
+
+	return resp;
+}
+
+
+static struct wpabuf * eap_gpsk_send_gpsk_4(struct eap_gpsk_data *data,
+					    u8 identifier)
+{
+	struct wpabuf *resp;
+	u8 *rpos, *start;
+	size_t mlen;
+
+	wpa_printf(MSG_DEBUG, "EAP-GPSK: Sending Response/GPSK-4");
+
+	mlen = eap_gpsk_mic_len(data->vendor, data->specifier);
+
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_GPSK, 1 + 2 + mlen,
+			     EAP_CODE_RESPONSE, identifier);
+	if (resp == NULL)
+		return NULL;
+
+	wpabuf_put_u8(resp, EAP_GPSK_OPCODE_GPSK_4);
+	start = wpabuf_put(resp, 0);
+
+	/* No PD_Payload_3 */
+	wpabuf_put_be16(resp, 0);
+
+	rpos = wpabuf_put(resp, mlen);
+	if (eap_gpsk_compute_mic(data->sk, data->sk_len, data->vendor,
+				 data->specifier, start, rpos - start, rpos) <
+	    0) {
+		eap_gpsk_state(data, FAILURE);
+		wpabuf_free(resp);
+		return NULL;
+	}
+
+	return resp;
+}
+
+
+static struct wpabuf * eap_gpsk_process(struct eap_sm *sm, void *priv,
+					struct eap_method_ret *ret,
+					const struct wpabuf *reqData)
+{
+	struct eap_gpsk_data *data = priv;
+	struct wpabuf *resp;
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_GPSK, reqData, &len);
+	if (pos == NULL || len < 1) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-GPSK: Received frame: opcode %d", *pos);
+
+	ret->ignore = FALSE;
+	ret->methodState = METHOD_MAY_CONT;
+	ret->decision = DECISION_FAIL;
+	ret->allowNotifications = FALSE;
+
+	switch (*pos) {
+	case EAP_GPSK_OPCODE_GPSK_1:
+		resp = eap_gpsk_process_gpsk_1(sm, data, ret, reqData,
+					       pos + 1, len - 1);
+		break;
+	case EAP_GPSK_OPCODE_GPSK_3:
+		resp = eap_gpsk_process_gpsk_3(sm, data, ret, reqData,
+					       pos + 1, len - 1);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Ignoring message with "
+			   "unknown opcode %d", *pos);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	return resp;
+}
+
+
+static Boolean eap_gpsk_isKeyAvailable(struct eap_sm *sm, void *priv)
+{
+	struct eap_gpsk_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+static u8 * eap_gpsk_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_gpsk_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_MSK_LEN);
+	if (key == NULL)
+		return NULL;
+	os_memcpy(key, data->msk, EAP_MSK_LEN);
+	*len = EAP_MSK_LEN;
+
+	return key;
+}
+
+
+static u8 * eap_gpsk_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_gpsk_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_EMSK_LEN);
+	if (key == NULL)
+		return NULL;
+	os_memcpy(key, data->emsk, EAP_EMSK_LEN);
+	*len = EAP_EMSK_LEN;
+
+	return key;
+}
+
+
+int eap_peer_gpsk_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_IETF, EAP_TYPE_GPSK, "GPSK");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_gpsk_init;
+	eap->deinit = eap_gpsk_deinit;
+	eap->process = eap_gpsk_process;
+	eap->isKeyAvailable = eap_gpsk_isKeyAvailable;
+	eap->getKey = eap_gpsk_getKey;
+	eap->get_emsk = eap_gpsk_get_emsk;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_peer/eap_gtc.c b/src/eap_peer/eap_gtc.c
new file mode 100644
index 0000000..b2b554b
--- /dev/null
+++ b/src/eap_peer/eap_gtc.c
@@ -0,0 +1,151 @@
+/*
+ * EAP peer method: EAP-GTC (RFC 3748)
+ * Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eap_i.h"
+
+
+struct eap_gtc_data {
+	int prefix;
+};
+
+
+static void * eap_gtc_init(struct eap_sm *sm)
+{
+	struct eap_gtc_data *data;
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+
+	if (sm->m && sm->m->vendor == EAP_VENDOR_IETF &&
+	    sm->m->method == EAP_TYPE_FAST) {
+		wpa_printf(MSG_DEBUG, "EAP-GTC: EAP-FAST tunnel - use prefix "
+			   "with challenge/response");
+		data->prefix = 1;
+	}
+	return data;
+}
+
+
+static void eap_gtc_deinit(struct eap_sm *sm, void *priv)
+{
+	struct eap_gtc_data *data = priv;
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_gtc_process(struct eap_sm *sm, void *priv,
+				       struct eap_method_ret *ret,
+				       const struct wpabuf *reqData)
+{
+	struct eap_gtc_data *data = priv;
+	struct wpabuf *resp;
+	const u8 *pos, *password, *identity;
+	size_t password_len, identity_len, len, plen;
+	int otp;
+	u8 id;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_GTC, reqData, &len);
+	if (pos == NULL) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+	id = eap_get_id(reqData);
+
+	wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-GTC: Request message", pos, len);
+	if (data->prefix &&
+	    (len < 10 || os_memcmp(pos, "CHALLENGE=", 10) != 0)) {
+		wpa_printf(MSG_DEBUG, "EAP-GTC: Challenge did not start with "
+			   "expected prefix");
+
+		/* Send an empty response in order to allow tunneled
+		 * acknowledgement of the failure. This will also cover the
+		 * error case which seems to use EAP-MSCHAPv2 like error
+		 * reporting with EAP-GTC inside EAP-FAST tunnel. */
+		resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_GTC,
+				     0, EAP_CODE_RESPONSE, id);
+		return resp;
+	}
+
+	password = eap_get_config_otp(sm, &password_len);
+	if (password)
+		otp = 1;
+	else {
+		password = eap_get_config_password(sm, &password_len);
+		otp = 0;
+	}
+
+	if (password == NULL) {
+		wpa_printf(MSG_INFO, "EAP-GTC: Password not configured");
+		eap_sm_request_otp(sm, (const char *) pos, len);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	ret->ignore = FALSE;
+
+	ret->methodState = data->prefix ? METHOD_MAY_CONT : METHOD_DONE;
+	ret->decision = DECISION_COND_SUCC;
+	ret->allowNotifications = FALSE;
+
+	plen = password_len;
+	identity = eap_get_config_identity(sm, &identity_len);
+	if (identity == NULL)
+		return NULL;
+	if (data->prefix)
+		plen += 9 + identity_len + 1;
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_GTC, plen,
+			     EAP_CODE_RESPONSE, id);
+	if (resp == NULL)
+		return NULL;
+	if (data->prefix) {
+		wpabuf_put_data(resp, "RESPONSE=", 9);
+		wpabuf_put_data(resp, identity, identity_len);
+		wpabuf_put_u8(resp, '\0');
+	}
+	wpabuf_put_data(resp, password, password_len);
+	wpa_hexdump_ascii_key(MSG_MSGDUMP, "EAP-GTC: Response",
+			      wpabuf_head_u8(resp) + sizeof(struct eap_hdr) +
+			      1, plen);
+
+	if (otp) {
+		wpa_printf(MSG_DEBUG, "EAP-GTC: Forgetting used password");
+		eap_clear_config_otp(sm);
+	}
+
+	return resp;
+}
+
+
+int eap_peer_gtc_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_IETF, EAP_TYPE_GTC, "GTC");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_gtc_init;
+	eap->deinit = eap_gtc_deinit;
+	eap->process = eap_gtc_process;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_peer/eap_i.h b/src/eap_peer/eap_i.h
new file mode 100644
index 0000000..afca611
--- /dev/null
+++ b/src/eap_peer/eap_i.h
@@ -0,0 +1,356 @@
+/*
+ * EAP peer state machines internal structures (RFC 4137)
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_I_H
+#define EAP_I_H
+
+#include "wpabuf.h"
+#include "eap_peer/eap.h"
+#include "eap_common/eap_common.h"
+
+/* RFC 4137 - EAP Peer state machine */
+
+typedef enum {
+	DECISION_FAIL, DECISION_COND_SUCC, DECISION_UNCOND_SUCC
+} EapDecision;
+
+typedef enum {
+	METHOD_NONE, METHOD_INIT, METHOD_CONT, METHOD_MAY_CONT, METHOD_DONE
+} EapMethodState;
+
+/**
+ * struct eap_method_ret - EAP return values from struct eap_method::process()
+ *
+ * These structure contains OUT variables for the interface between peer state
+ * machine and methods (RFC 4137, Sect. 4.2). eapRespData will be returned as
+ * the return value of struct eap_method::process() so it is not included in
+ * this structure.
+ */
+struct eap_method_ret {
+	/**
+	 * ignore - Whether method decided to drop the current packed (OUT)
+	 */
+	Boolean ignore;
+
+	/**
+	 * methodState - Method-specific state (IN/OUT)
+	 */
+	EapMethodState methodState;
+
+	/**
+	 * decision - Authentication decision (OUT)
+	 */
+	EapDecision decision;
+
+	/**
+	 * allowNotifications - Whether method allows notifications (OUT)
+	 */
+	Boolean allowNotifications;
+};
+
+
+/**
+ * struct eap_method - EAP method interface
+ * This structure defines the EAP method interface. Each method will need to
+ * register its own EAP type, EAP name, and set of function pointers for method
+ * specific operations. This interface is based on section 4.4 of RFC 4137.
+ */
+struct eap_method {
+	/**
+	 * vendor - EAP Vendor-ID (EAP_VENDOR_*) (0 = IETF)
+	 */
+	int vendor;
+
+	/**
+	 * method - EAP type number (EAP_TYPE_*)
+	 */
+	EapType method;
+
+	/**
+	 * name - Name of the method (e.g., "TLS")
+	 */
+	const char *name;
+
+	/**
+	 * init - Initialize an EAP method
+	 * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+	 * Returns: Pointer to allocated private data, or %NULL on failure
+	 *
+	 * This function is used to initialize the EAP method explicitly
+	 * instead of using METHOD_INIT state as specific in RFC 4137. The
+	 * method is expected to initialize it method-specific state and return
+	 * a pointer that will be used as the priv argument to other calls.
+	 */
+	void * (*init)(struct eap_sm *sm);
+
+	/**
+	 * deinit - Deinitialize an EAP method
+	 * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+	 * @priv: Pointer to private EAP method data from eap_method::init()
+	 *
+	 * Deinitialize the EAP method and free any allocated private data.
+	 */
+	void (*deinit)(struct eap_sm *sm, void *priv);
+
+	/**
+	 * process - Process an EAP request
+	 * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+	 * @priv: Pointer to private EAP method data from eap_method::init()
+	 * @ret: Return values from EAP request validation and processing
+	 * @reqData: EAP request to be processed (eapReqData)
+	 * Returns: Pointer to allocated EAP response packet (eapRespData)
+	 *
+	 * This function is a combination of m.check(), m.process(), and
+	 * m.buildResp() procedures defined in section 4.4 of RFC 4137 In other
+	 * words, this function validates the incoming request, processes it,
+	 * and build a response packet. m.check() and m.process() return values
+	 * are returned through struct eap_method_ret *ret variable. Caller is
+	 * responsible for freeing the returned EAP response packet.
+	 */
+	struct wpabuf * (*process)(struct eap_sm *sm, void *priv,
+				   struct eap_method_ret *ret,
+				   const struct wpabuf *reqData);
+
+	/**
+	 * isKeyAvailable - Find out whether EAP method has keying material
+	 * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+	 * @priv: Pointer to private EAP method data from eap_method::init()
+	 * Returns: %TRUE if key material (eapKeyData) is available
+	 */
+	Boolean (*isKeyAvailable)(struct eap_sm *sm, void *priv);
+
+	/**
+	 * getKey - Get EAP method specific keying material (eapKeyData)
+	 * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+	 * @priv: Pointer to private EAP method data from eap_method::init()
+	 * @len: Pointer to variable to store key length (eapKeyDataLen)
+	 * Returns: Keying material (eapKeyData) or %NULL if not available
+	 *
+	 * This function can be used to get the keying material from the EAP
+	 * method. The key may already be stored in the method-specific private
+	 * data or this function may derive the key.
+	 */
+	u8 * (*getKey)(struct eap_sm *sm, void *priv, size_t *len);
+
+	/**
+	 * get_status - Get EAP method status
+	 * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+	 * @priv: Pointer to private EAP method data from eap_method::init()
+	 * @buf: Buffer for status information
+	 * @buflen: Maximum buffer length
+	 * @verbose: Whether to include verbose status information
+	 * Returns: Number of bytes written to buf
+	 *
+	 * Query EAP method for status information. This function fills in a
+	 * text area with current status information from the EAP method. If
+	 * the buffer (buf) is not large enough, status information will be
+	 * truncated to fit the buffer.
+	 */
+	int (*get_status)(struct eap_sm *sm, void *priv, char *buf,
+			  size_t buflen, int verbose);
+
+	/**
+	 * has_reauth_data - Whether method is ready for fast reauthentication
+	 * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+	 * @priv: Pointer to private EAP method data from eap_method::init()
+	 * Returns: %TRUE or %FALSE based on whether fast reauthentication is
+	 * possible
+	 *
+	 * This function is an optional handler that only EAP methods
+	 * supporting fast re-authentication need to implement.
+	 */
+	Boolean (*has_reauth_data)(struct eap_sm *sm, void *priv);
+
+	/**
+	 * deinit_for_reauth - Release data that is not needed for fast re-auth
+	 * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+	 * @priv: Pointer to private EAP method data from eap_method::init()
+	 *
+	 * This function is an optional handler that only EAP methods
+	 * supporting fast re-authentication need to implement. This is called
+	 * when authentication has been completed and EAP state machine is
+	 * requesting that enough state information is maintained for fast
+	 * re-authentication
+	 */
+	void (*deinit_for_reauth)(struct eap_sm *sm, void *priv);
+
+	/**
+	 * init_for_reauth - Prepare for start of fast re-authentication
+	 * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+	 * @priv: Pointer to private EAP method data from eap_method::init()
+	 *
+	 * This function is an optional handler that only EAP methods
+	 * supporting fast re-authentication need to implement. This is called
+	 * when EAP authentication is started and EAP state machine is
+	 * requesting fast re-authentication to be used.
+	 */
+	void * (*init_for_reauth)(struct eap_sm *sm, void *priv);
+
+	/**
+	 * get_identity - Get method specific identity for re-authentication
+	 * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+	 * @priv: Pointer to private EAP method data from eap_method::init()
+	 * @len: Length of the returned identity
+	 * Returns: Pointer to the method specific identity or %NULL if default
+	 * identity is to be used
+	 *
+	 * This function is an optional handler that only EAP methods
+	 * that use method specific identity need to implement.
+	 */
+	const u8 * (*get_identity)(struct eap_sm *sm, void *priv, size_t *len);
+
+	/**
+	 * free - Free EAP method data
+	 * @method: Pointer to the method data registered with
+	 * eap_peer_method_register().
+	 *
+	 * This function will be called when the EAP method is being
+	 * unregistered. If the EAP method allocated resources during
+	 * registration (e.g., allocated struct eap_method), they should be
+	 * freed in this function. No other method functions will be called
+	 * after this call. If this function is not defined (i.e., function
+	 * pointer is %NULL), a default handler is used to release the method
+	 * data with free(method). This is suitable for most cases.
+	 */
+	void (*free)(struct eap_method *method);
+
+#define EAP_PEER_METHOD_INTERFACE_VERSION 1
+	/**
+	 * version - Version of the EAP peer method interface
+	 *
+	 * The EAP peer method implementation should set this variable to
+	 * EAP_PEER_METHOD_INTERFACE_VERSION. This is used to verify that the
+	 * EAP method is using supported API version when using dynamically
+	 * loadable EAP methods.
+	 */
+	int version;
+
+	/**
+	 * next - Pointer to the next EAP method
+	 *
+	 * This variable is used internally in the EAP method registration code
+	 * to create a linked list of registered EAP methods.
+	 */
+	struct eap_method *next;
+
+#ifdef CONFIG_DYNAMIC_EAP_METHODS
+	/**
+	 * dl_handle - Handle for the dynamic library
+	 *
+	 * This variable is used internally in the EAP method registration code
+	 * to store a handle for the dynamic library. If the method is linked
+	 * in statically, this is %NULL.
+	 */
+	void *dl_handle;
+#endif /* CONFIG_DYNAMIC_EAP_METHODS */
+
+	/**
+	 * get_emsk - Get EAP method specific keying extended material (EMSK)
+	 * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+	 * @priv: Pointer to private EAP method data from eap_method::init()
+	 * @len: Pointer to a variable to store EMSK length
+	 * Returns: EMSK or %NULL if not available
+	 *
+	 * This function can be used to get the extended keying material from
+	 * the EAP method. The key may already be stored in the method-specific
+	 * private data or this function may derive the key.
+	 */
+	u8 * (*get_emsk)(struct eap_sm *sm, void *priv, size_t *len);
+};
+
+
+/**
+ * struct eap_sm - EAP state machine data
+ */
+struct eap_sm {
+	enum {
+		EAP_INITIALIZE, EAP_DISABLED, EAP_IDLE, EAP_RECEIVED,
+		EAP_GET_METHOD, EAP_METHOD, EAP_SEND_RESPONSE, EAP_DISCARD,
+		EAP_IDENTITY, EAP_NOTIFICATION, EAP_RETRANSMIT, EAP_SUCCESS,
+		EAP_FAILURE
+	} EAP_state;
+	/* Long-term local variables */
+	EapType selectedMethod;
+	EapMethodState methodState;
+	int lastId;
+	struct wpabuf *lastRespData;
+	EapDecision decision;
+	/* Short-term local variables */
+	Boolean rxReq;
+	Boolean rxSuccess;
+	Boolean rxFailure;
+	int reqId;
+	EapType reqMethod;
+	int reqVendor;
+	u32 reqVendorMethod;
+	Boolean ignore;
+	/* Constants */
+	int ClientTimeout;
+
+	/* Miscellaneous variables */
+	Boolean allowNotifications; /* peer state machine <-> methods */
+	struct wpabuf *eapRespData; /* peer to lower layer */
+	Boolean eapKeyAvailable; /* peer to lower layer */
+	u8 *eapKeyData; /* peer to lower layer */
+	size_t eapKeyDataLen; /* peer to lower layer */
+	const struct eap_method *m; /* selected EAP method */
+	/* not defined in RFC 4137 */
+	Boolean changed;
+	void *eapol_ctx;
+	struct eapol_callbacks *eapol_cb;
+	void *eap_method_priv;
+	int init_phase2;
+	int fast_reauth;
+
+	Boolean rxResp /* LEAP only */;
+	Boolean leap_done;
+	Boolean peap_done;
+	u8 req_md5[16]; /* MD5() of the current EAP packet */
+	u8 last_md5[16]; /* MD5() of the previously received EAP packet; used
+			  * in duplicate request detection. */
+
+	void *msg_ctx;
+	void *scard_ctx;
+	void *ssl_ctx;
+
+	unsigned int workaround;
+
+	/* Optional challenges generated in Phase 1 (EAP-FAST) */
+	u8 *peer_challenge, *auth_challenge;
+
+	int num_rounds;
+	int force_disabled;
+
+	struct wps_context *wps;
+
+	int prev_failure;
+};
+
+const u8 * eap_get_config_identity(struct eap_sm *sm, size_t *len);
+const u8 * eap_get_config_password(struct eap_sm *sm, size_t *len);
+const u8 * eap_get_config_password2(struct eap_sm *sm, size_t *len, int *hash);
+const u8 * eap_get_config_new_password(struct eap_sm *sm, size_t *len);
+const u8 * eap_get_config_otp(struct eap_sm *sm, size_t *len);
+void eap_clear_config_otp(struct eap_sm *sm);
+const char * eap_get_config_phase1(struct eap_sm *sm);
+const char * eap_get_config_phase2(struct eap_sm *sm);
+int eap_get_config_fragment_size(struct eap_sm *sm);
+struct eap_peer_config * eap_get_config(struct eap_sm *sm);
+void eap_set_config_blob(struct eap_sm *sm, struct wpa_config_blob *blob);
+const struct wpa_config_blob *
+eap_get_config_blob(struct eap_sm *sm, const char *name);
+void eap_notify_pending(struct eap_sm *sm);
+int eap_allowed_method(struct eap_sm *sm, int vendor, u32 method);
+
+#endif /* EAP_I_H */
diff --git a/src/eap_peer/eap_ikev2.c b/src/eap_peer/eap_ikev2.c
new file mode 100644
index 0000000..bb49a66
--- /dev/null
+++ b/src/eap_peer/eap_ikev2.c
@@ -0,0 +1,506 @@
+/*
+ * EAP-IKEv2 peer (RFC 5106)
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eap_i.h"
+#include "eap_common/eap_ikev2_common.h"
+#include "ikev2.h"
+
+
+struct eap_ikev2_data {
+	struct ikev2_responder_data ikev2;
+	enum { WAIT_START, PROC_MSG, WAIT_FRAG_ACK, DONE, FAIL } state;
+	struct wpabuf *in_buf;
+	struct wpabuf *out_buf;
+	size_t out_used;
+	size_t fragment_size;
+	int keys_ready;
+	u8 keymat[EAP_MSK_LEN + EAP_EMSK_LEN];
+	int keymat_ok;
+};
+
+
+static const char * eap_ikev2_state_txt(int state)
+{
+	switch (state) {
+	case WAIT_START:
+		return "WAIT_START";
+	case PROC_MSG:
+		return "PROC_MSG";
+	case WAIT_FRAG_ACK:
+		return "WAIT_FRAG_ACK";
+	case DONE:
+		return "DONE";
+	case FAIL:
+		return "FAIL";
+	default:
+		return "?";
+	}
+}
+
+
+static void eap_ikev2_state(struct eap_ikev2_data *data, int state)
+{
+	wpa_printf(MSG_DEBUG, "EAP-IKEV2: %s -> %s",
+		   eap_ikev2_state_txt(data->state),
+		   eap_ikev2_state_txt(state));
+	data->state = state;
+}
+
+
+static void * eap_ikev2_init(struct eap_sm *sm)
+{
+	struct eap_ikev2_data *data;
+	const u8 *identity, *password;
+	size_t identity_len, password_len;
+
+	identity = eap_get_config_identity(sm, &identity_len);
+	if (identity == NULL) {
+		wpa_printf(MSG_INFO, "EAP-IKEV2: No identity available");
+		return NULL;
+	}
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = WAIT_START;
+	data->fragment_size = IKEV2_FRAGMENT_SIZE;
+	data->ikev2.state = SA_INIT;
+	data->ikev2.peer_auth = PEER_AUTH_SECRET;
+	data->ikev2.key_pad = (u8 *) os_strdup("Key Pad for EAP-IKEv2");
+	if (data->ikev2.key_pad == NULL)
+		goto failed;
+	data->ikev2.key_pad_len = 21;
+	data->ikev2.IDr = os_malloc(identity_len);
+	if (data->ikev2.IDr == NULL)
+		goto failed;
+	os_memcpy(data->ikev2.IDr, identity, identity_len);
+	data->ikev2.IDr_len = identity_len;
+
+	password = eap_get_config_password(sm, &password_len);
+	if (password) {
+		data->ikev2.shared_secret = os_malloc(password_len);
+		if (data->ikev2.shared_secret == NULL)
+			goto failed;
+		os_memcpy(data->ikev2.shared_secret, password, password_len);
+		data->ikev2.shared_secret_len = password_len;
+	}
+
+	return data;
+
+failed:
+	ikev2_responder_deinit(&data->ikev2);
+	os_free(data);
+	return NULL;
+}
+
+
+static void eap_ikev2_deinit(struct eap_sm *sm, void *priv)
+{
+	struct eap_ikev2_data *data = priv;
+	wpabuf_free(data->in_buf);
+	wpabuf_free(data->out_buf);
+	ikev2_responder_deinit(&data->ikev2);
+	os_free(data);
+}
+
+
+static int eap_ikev2_peer_keymat(struct eap_ikev2_data *data)
+{
+	if (eap_ikev2_derive_keymat(
+		    data->ikev2.proposal.prf, &data->ikev2.keys,
+		    data->ikev2.i_nonce, data->ikev2.i_nonce_len,
+		    data->ikev2.r_nonce, data->ikev2.r_nonce_len,
+		    data->keymat) < 0) {
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: Failed to "
+			   "derive key material");
+		return -1;
+	}
+	data->keymat_ok = 1;
+	return 0;
+}
+
+
+static struct wpabuf * eap_ikev2_build_msg(struct eap_ikev2_data *data,
+					   struct eap_method_ret *ret, u8 id)
+{
+	struct wpabuf *resp;
+	u8 flags;
+	size_t send_len, plen, icv_len = 0;
+
+	ret->ignore = FALSE;
+	wpa_printf(MSG_DEBUG, "EAP-IKEV2: Generating Response");
+	ret->allowNotifications = TRUE;
+
+	flags = 0;
+	send_len = wpabuf_len(data->out_buf) - data->out_used;
+	if (1 + send_len > data->fragment_size) {
+		send_len = data->fragment_size - 1;
+		flags |= IKEV2_FLAGS_MORE_FRAGMENTS;
+		if (data->out_used == 0) {
+			flags |= IKEV2_FLAGS_LENGTH_INCLUDED;
+			send_len -= 4;
+		}
+	}
+#ifdef CCNS_PL
+	/* Some issues figuring out the length of the message if Message Length
+	 * field not included?! */
+	if (!(flags & IKEV2_FLAGS_LENGTH_INCLUDED))
+		flags |= IKEV2_FLAGS_LENGTH_INCLUDED;
+#endif /* CCNS_PL */
+
+	plen = 1 + send_len;
+	if (flags & IKEV2_FLAGS_LENGTH_INCLUDED)
+		plen += 4;
+	if (data->keys_ready) {
+		const struct ikev2_integ_alg *integ;
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: Add Integrity Checksum "
+			   "Data");
+		flags |= IKEV2_FLAGS_ICV_INCLUDED;
+		integ = ikev2_get_integ(data->ikev2.proposal.integ);
+		if (integ == NULL) {
+			wpa_printf(MSG_DEBUG, "EAP-IKEV2: Unknown INTEG "
+				   "transform / cannot generate ICV");
+			return NULL;
+		}
+		icv_len = integ->hash_len;
+
+		plen += icv_len;
+	}
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_IKEV2, plen,
+			     EAP_CODE_RESPONSE, id);
+	if (resp == NULL)
+		return NULL;
+
+	wpabuf_put_u8(resp, flags); /* Flags */
+	if (flags & IKEV2_FLAGS_LENGTH_INCLUDED)
+		wpabuf_put_be32(resp, wpabuf_len(data->out_buf));
+
+	wpabuf_put_data(resp, wpabuf_head_u8(data->out_buf) + data->out_used,
+			send_len);
+	data->out_used += send_len;
+
+	if (flags & IKEV2_FLAGS_ICV_INCLUDED) {
+		const u8 *msg = wpabuf_head(resp);
+		size_t len = wpabuf_len(resp);
+		ikev2_integ_hash(data->ikev2.proposal.integ,
+				 data->ikev2.keys.SK_ar,
+				 data->ikev2.keys.SK_integ_len,
+				 msg, len, wpabuf_put(resp, icv_len));
+	}
+
+	ret->methodState = METHOD_MAY_CONT;
+	ret->decision = DECISION_FAIL;
+
+	if (data->out_used == wpabuf_len(data->out_buf)) {
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: Sending out %lu bytes "
+			   "(message sent completely)",
+			   (unsigned long) send_len);
+		wpabuf_free(data->out_buf);
+		data->out_buf = NULL;
+		data->out_used = 0;
+		switch (data->ikev2.state) {
+		case SA_AUTH:
+			/* SA_INIT was sent out, so message have to be
+			 * integrity protected from now on. */
+			data->keys_ready = 1;
+			break;
+		case IKEV2_DONE:
+			ret->methodState = METHOD_DONE;
+			if (data->state == FAIL)
+				break;
+			ret->decision = DECISION_COND_SUCC;
+			wpa_printf(MSG_DEBUG, "EAP-IKEV2: Authentication "
+				   "completed successfully");
+			if (eap_ikev2_peer_keymat(data))
+				break;
+			eap_ikev2_state(data, DONE);
+			break;
+		case IKEV2_FAILED:
+			wpa_printf(MSG_DEBUG, "EAP-IKEV2: Authentication "
+				   "failed");
+			ret->methodState = METHOD_DONE;
+			ret->decision = DECISION_FAIL;
+			break;
+		default:
+			break;
+		}
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: Sending out %lu bytes "
+			   "(%lu more to send)", (unsigned long) send_len,
+			   (unsigned long) wpabuf_len(data->out_buf) -
+			   data->out_used);
+		eap_ikev2_state(data, WAIT_FRAG_ACK);
+	}
+
+	return resp;
+}
+
+
+static int eap_ikev2_process_icv(struct eap_ikev2_data *data,
+				 const struct wpabuf *reqData,
+				 u8 flags, const u8 *pos, const u8 **end)
+{
+	if (flags & IKEV2_FLAGS_ICV_INCLUDED) {
+		int icv_len = eap_ikev2_validate_icv(
+			data->ikev2.proposal.integ, &data->ikev2.keys, 1,
+			reqData, pos, *end);
+		if (icv_len < 0)
+			return -1;
+		/* Hide Integrity Checksum Data from further processing */
+		*end -= icv_len;
+	} else if (data->keys_ready) {
+		wpa_printf(MSG_INFO, "EAP-IKEV2: The message should have "
+			   "included integrity checksum");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int eap_ikev2_process_cont(struct eap_ikev2_data *data,
+				  const u8 *buf, size_t len)
+{
+	/* Process continuation of a pending message */
+	if (len > wpabuf_tailroom(data->in_buf)) {
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: Fragment overflow");
+		eap_ikev2_state(data, FAIL);
+		return -1;
+	}
+
+	wpabuf_put_data(data->in_buf, buf, len);
+	wpa_printf(MSG_DEBUG, "EAP-IKEV2: Received %lu bytes, waiting "
+		   "for %lu bytes more", (unsigned long) len,
+		   (unsigned long) wpabuf_tailroom(data->in_buf));
+
+	return 0;
+}
+
+
+static struct wpabuf * eap_ikev2_process_fragment(struct eap_ikev2_data *data,
+						  struct eap_method_ret *ret,
+						  u8 id, u8 flags,
+						  u32 message_length,
+						  const u8 *buf, size_t len)
+{
+	/* Process a fragment that is not the last one of the message */
+	if (data->in_buf == NULL && !(flags & IKEV2_FLAGS_LENGTH_INCLUDED)) {
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: No Message Length field in "
+			   "a fragmented packet");
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (data->in_buf == NULL) {
+		/* First fragment of the message */
+		data->in_buf = wpabuf_alloc(message_length);
+		if (data->in_buf == NULL) {
+			wpa_printf(MSG_DEBUG, "EAP-IKEV2: No memory for "
+				   "message");
+			ret->ignore = TRUE;
+			return NULL;
+		}
+		wpabuf_put_data(data->in_buf, buf, len);
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: Received %lu bytes in first "
+			   "fragment, waiting for %lu bytes more",
+			   (unsigned long) len,
+			   (unsigned long) wpabuf_tailroom(data->in_buf));
+	}
+
+	return eap_ikev2_build_frag_ack(id, EAP_CODE_RESPONSE);
+}
+
+
+static struct wpabuf * eap_ikev2_process(struct eap_sm *sm, void *priv,
+					 struct eap_method_ret *ret,
+					 const struct wpabuf *reqData)
+{
+	struct eap_ikev2_data *data = priv;
+	const u8 *start, *pos, *end;
+	size_t len;
+	u8 flags, id;
+	u32 message_length = 0;
+	struct wpabuf tmpbuf;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_IKEV2, reqData, &len);
+	if (pos == NULL) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	id = eap_get_id(reqData);
+
+	start = pos;
+	end = start + len;
+
+	if (len == 0)
+		flags = 0; /* fragment ack */
+	else
+		flags = *pos++;
+
+	if (eap_ikev2_process_icv(data, reqData, flags, pos, &end) < 0) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (flags & IKEV2_FLAGS_LENGTH_INCLUDED) {
+		if (end - pos < 4) {
+			wpa_printf(MSG_DEBUG, "EAP-IKEV2: Message underflow");
+			ret->ignore = TRUE;
+			return NULL;
+		}
+		message_length = WPA_GET_BE32(pos);
+		pos += 4;
+
+		if (message_length < (u32) (end - pos)) {
+			wpa_printf(MSG_DEBUG, "EAP-IKEV2: Invalid Message "
+				   "Length (%d; %ld remaining in this msg)",
+				   message_length, (long) (end - pos));
+			ret->ignore = TRUE;
+			return NULL;
+		}
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-IKEV2: Received packet: Flags 0x%x "
+		   "Message Length %u", flags, message_length);
+
+	if (data->state == WAIT_FRAG_ACK) {
+#ifdef CCNS_PL
+		if (len > 1) /* Empty Flags field included in ACK */
+#else /* CCNS_PL */
+		if (len != 0)
+#endif /* CCNS_PL */
+		{
+			wpa_printf(MSG_DEBUG, "EAP-IKEV2: Unexpected payload "
+				   "in WAIT_FRAG_ACK state");
+			ret->ignore = TRUE;
+			return NULL;
+		}
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: Fragment acknowledged");
+		eap_ikev2_state(data, PROC_MSG);
+		return eap_ikev2_build_msg(data, ret, id);
+	}
+
+	if (data->in_buf && eap_ikev2_process_cont(data, pos, end - pos) < 0) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+		
+	if (flags & IKEV2_FLAGS_MORE_FRAGMENTS) {
+		return eap_ikev2_process_fragment(data, ret, id, flags,
+						  message_length, pos,
+						  end - pos);
+	}
+
+	if (data->in_buf == NULL) {
+		/* Wrap unfragmented messages as wpabuf without extra copy */
+		wpabuf_set(&tmpbuf, pos, end - pos);
+		data->in_buf = &tmpbuf;
+	}
+
+	if (ikev2_responder_process(&data->ikev2, data->in_buf) < 0) {
+		if (data->in_buf == &tmpbuf)
+			data->in_buf = NULL;
+		eap_ikev2_state(data, FAIL);
+		return NULL;
+	}
+
+	if (data->in_buf != &tmpbuf)
+		wpabuf_free(data->in_buf);
+	data->in_buf = NULL;
+
+	if (data->out_buf == NULL) {
+		data->out_buf = ikev2_responder_build(&data->ikev2);
+		if (data->out_buf == NULL) {
+			wpa_printf(MSG_DEBUG, "EAP-IKEV2: Failed to generate "
+				   "IKEv2 message");
+			return NULL;
+		}
+		data->out_used = 0;
+	}
+
+	eap_ikev2_state(data, PROC_MSG);
+	return eap_ikev2_build_msg(data, ret, id);
+}
+
+
+static Boolean eap_ikev2_isKeyAvailable(struct eap_sm *sm, void *priv)
+{
+	struct eap_ikev2_data *data = priv;
+	return data->state == DONE && data->keymat_ok;
+}
+
+
+static u8 * eap_ikev2_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_ikev2_data *data = priv;
+	u8 *key;
+
+	if (data->state != DONE || !data->keymat_ok)
+		return NULL;
+
+	key = os_malloc(EAP_MSK_LEN);
+	if (key) {
+		os_memcpy(key, data->keymat, EAP_MSK_LEN);
+		*len = EAP_MSK_LEN;
+	}
+
+	return key;
+}
+
+
+static u8 * eap_ikev2_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_ikev2_data *data = priv;
+	u8 *key;
+
+	if (data->state != DONE || !data->keymat_ok)
+		return NULL;
+
+	key = os_malloc(EAP_EMSK_LEN);
+	if (key) {
+		os_memcpy(key, data->keymat + EAP_MSK_LEN, EAP_EMSK_LEN);
+		*len = EAP_EMSK_LEN;
+	}
+
+	return key;
+}
+
+
+int eap_peer_ikev2_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_IETF, EAP_TYPE_IKEV2,
+				    "IKEV2");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_ikev2_init;
+	eap->deinit = eap_ikev2_deinit;
+	eap->process = eap_ikev2_process;
+	eap->isKeyAvailable = eap_ikev2_isKeyAvailable;
+	eap->getKey = eap_ikev2_getKey;
+	eap->get_emsk = eap_ikev2_get_emsk;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_peer/eap_leap.c b/src/eap_peer/eap_leap.c
new file mode 100644
index 0000000..6a8efcd
--- /dev/null
+++ b/src/eap_peer/eap_leap.c
@@ -0,0 +1,416 @@
+/*
+ * EAP peer method: LEAP
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/ms_funcs.h"
+#include "crypto/crypto.h"
+#include "crypto/random.h"
+#include "eap_i.h"
+
+#define LEAP_VERSION 1
+#define LEAP_CHALLENGE_LEN 8
+#define LEAP_RESPONSE_LEN 24
+#define LEAP_KEY_LEN 16
+
+
+struct eap_leap_data {
+	enum {
+		LEAP_WAIT_CHALLENGE,
+		LEAP_WAIT_SUCCESS,
+		LEAP_WAIT_RESPONSE,
+		LEAP_DONE
+	} state;
+
+	u8 peer_challenge[LEAP_CHALLENGE_LEN];
+	u8 peer_response[LEAP_RESPONSE_LEN];
+
+	u8 ap_challenge[LEAP_CHALLENGE_LEN];
+	u8 ap_response[LEAP_RESPONSE_LEN];
+};
+
+
+static void * eap_leap_init(struct eap_sm *sm)
+{
+	struct eap_leap_data *data;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = LEAP_WAIT_CHALLENGE;
+
+	sm->leap_done = FALSE;
+	return data;
+}
+
+
+static void eap_leap_deinit(struct eap_sm *sm, void *priv)
+{
+	os_free(priv);
+}
+
+
+static struct wpabuf * eap_leap_process_request(struct eap_sm *sm, void *priv,
+						struct eap_method_ret *ret,
+						const struct wpabuf *reqData)
+{
+	struct eap_leap_data *data = priv;
+	struct wpabuf *resp;
+	const u8 *pos, *challenge, *identity, *password;
+	u8 challenge_len, *rpos;
+	size_t identity_len, password_len, len;
+	int pwhash;
+
+	wpa_printf(MSG_DEBUG, "EAP-LEAP: Processing EAP-Request");
+
+	identity = eap_get_config_identity(sm, &identity_len);
+	password = eap_get_config_password2(sm, &password_len, &pwhash);
+	if (identity == NULL || password == NULL)
+		return NULL;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_LEAP, reqData, &len);
+	if (pos == NULL || len < 3) {
+		wpa_printf(MSG_INFO, "EAP-LEAP: Invalid EAP-Request frame");
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (*pos != LEAP_VERSION) {
+		wpa_printf(MSG_WARNING, "EAP-LEAP: Unsupported LEAP version "
+			   "%d", *pos);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+	pos++;
+
+	pos++; /* skip unused byte */
+
+	challenge_len = *pos++;
+	if (challenge_len != LEAP_CHALLENGE_LEN || challenge_len > len - 3) {
+		wpa_printf(MSG_INFO, "EAP-LEAP: Invalid challenge "
+			   "(challenge_len=%d reqDataLen=%lu)",
+			   challenge_len, (unsigned long) wpabuf_len(reqData));
+		ret->ignore = TRUE;
+		return NULL;
+	}
+	challenge = pos;
+	os_memcpy(data->peer_challenge, challenge, LEAP_CHALLENGE_LEN);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-LEAP: Challenge from AP",
+		    challenge, LEAP_CHALLENGE_LEN);
+
+	wpa_printf(MSG_DEBUG, "EAP-LEAP: Generating Challenge Response");
+
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_LEAP,
+			     3 + LEAP_RESPONSE_LEN + identity_len,
+			     EAP_CODE_RESPONSE, eap_get_id(reqData));
+	if (resp == NULL)
+		return NULL;
+	wpabuf_put_u8(resp, LEAP_VERSION);
+	wpabuf_put_u8(resp, 0); /* unused */
+	wpabuf_put_u8(resp, LEAP_RESPONSE_LEN);
+	rpos = wpabuf_put(resp, LEAP_RESPONSE_LEN);
+	if (pwhash)
+		challenge_response(challenge, password, rpos);
+	else
+		nt_challenge_response(challenge, password, password_len, rpos);
+	os_memcpy(data->peer_response, rpos, LEAP_RESPONSE_LEN);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-LEAP: Response",
+		    rpos, LEAP_RESPONSE_LEN);
+	wpabuf_put_data(resp, identity, identity_len);
+
+	data->state = LEAP_WAIT_SUCCESS;
+
+	return resp;
+}
+
+
+static struct wpabuf * eap_leap_process_success(struct eap_sm *sm, void *priv,
+						struct eap_method_ret *ret,
+						const struct wpabuf *reqData)
+{
+	struct eap_leap_data *data = priv;
+	struct wpabuf *resp;
+	u8 *pos;
+	const u8 *identity;
+	size_t identity_len;
+
+	wpa_printf(MSG_DEBUG, "EAP-LEAP: Processing EAP-Success");
+
+	identity = eap_get_config_identity(sm, &identity_len);
+	if (identity == NULL)
+		return NULL;
+
+	if (data->state != LEAP_WAIT_SUCCESS) {
+		wpa_printf(MSG_INFO, "EAP-LEAP: EAP-Success received in "
+			   "unexpected state (%d) - ignored", data->state);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_LEAP,
+			     3 + LEAP_CHALLENGE_LEN + identity_len,
+			     EAP_CODE_REQUEST, eap_get_id(reqData));
+	if (resp == NULL)
+		return NULL;
+	wpabuf_put_u8(resp, LEAP_VERSION);
+	wpabuf_put_u8(resp, 0); /* unused */
+	wpabuf_put_u8(resp, LEAP_CHALLENGE_LEN);
+	pos = wpabuf_put(resp, LEAP_CHALLENGE_LEN);
+	if (random_get_bytes(pos, LEAP_CHALLENGE_LEN)) {
+		wpa_printf(MSG_WARNING, "EAP-LEAP: Failed to read random data "
+			   "for challenge");
+		wpabuf_free(resp);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+	os_memcpy(data->ap_challenge, pos, LEAP_CHALLENGE_LEN);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-LEAP: Challenge to AP/AS", pos,
+		    LEAP_CHALLENGE_LEN);
+	wpabuf_put_data(resp, identity, identity_len);
+
+	data->state = LEAP_WAIT_RESPONSE;
+
+	return resp;
+}
+
+
+static struct wpabuf * eap_leap_process_response(struct eap_sm *sm, void *priv,
+						 struct eap_method_ret *ret,
+						 const struct wpabuf *reqData)
+{
+	struct eap_leap_data *data = priv;
+	const u8 *pos, *password;
+	u8 response_len, pw_hash[16], pw_hash_hash[16],
+		expected[LEAP_RESPONSE_LEN];
+	size_t password_len, len;
+	int pwhash;
+
+	wpa_printf(MSG_DEBUG, "EAP-LEAP: Processing EAP-Response");
+
+	password = eap_get_config_password2(sm, &password_len, &pwhash);
+	if (password == NULL)
+		return NULL;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_LEAP, reqData, &len);
+	if (pos == NULL || len < 3) {
+		wpa_printf(MSG_INFO, "EAP-LEAP: Invalid EAP-Response frame");
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (*pos != LEAP_VERSION) {
+		wpa_printf(MSG_WARNING, "EAP-LEAP: Unsupported LEAP version "
+			   "%d", *pos);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+	pos++;
+
+	pos++; /* skip unused byte */
+
+	response_len = *pos++;
+	if (response_len != LEAP_RESPONSE_LEN || response_len > len - 3) {
+		wpa_printf(MSG_INFO, "EAP-LEAP: Invalid response "
+			   "(response_len=%d reqDataLen=%lu)",
+			   response_len, (unsigned long) wpabuf_len(reqData));
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	wpa_hexdump(MSG_DEBUG, "EAP-LEAP: Response from AP",
+		    pos, LEAP_RESPONSE_LEN);
+	os_memcpy(data->ap_response, pos, LEAP_RESPONSE_LEN);
+
+	if (pwhash) {
+		if (hash_nt_password_hash(password, pw_hash_hash)) {
+			ret->ignore = TRUE;
+			return NULL;
+		}
+	} else {
+		if (nt_password_hash(password, password_len, pw_hash) ||
+		    hash_nt_password_hash(pw_hash, pw_hash_hash)) {
+			ret->ignore = TRUE;
+			return NULL;
+		}
+	}
+	challenge_response(data->ap_challenge, pw_hash_hash, expected);
+
+	ret->methodState = METHOD_DONE;
+	ret->allowNotifications = FALSE;
+
+	if (os_memcmp(pos, expected, LEAP_RESPONSE_LEN) != 0) {
+		wpa_printf(MSG_WARNING, "EAP-LEAP: AP sent an invalid "
+			   "response - authentication failed");
+		wpa_hexdump(MSG_DEBUG, "EAP-LEAP: Expected response from AP",
+			    expected, LEAP_RESPONSE_LEN);
+		ret->decision = DECISION_FAIL;
+		return NULL;
+	}
+
+	ret->decision = DECISION_UNCOND_SUCC;
+
+	/* LEAP is somewhat odd method since it sends EAP-Success in the middle
+	 * of the authentication. Use special variable to transit EAP state
+	 * machine to SUCCESS state. */
+	sm->leap_done = TRUE;
+	data->state = LEAP_DONE;
+
+	/* No more authentication messages expected; AP will send EAPOL-Key
+	 * frames if encryption is enabled. */
+	return NULL;
+}
+
+
+static struct wpabuf * eap_leap_process(struct eap_sm *sm, void *priv,
+					struct eap_method_ret *ret,
+					const struct wpabuf *reqData)
+{
+	const struct eap_hdr *eap;
+	size_t password_len;
+	const u8 *password;
+
+	password = eap_get_config_password(sm, &password_len);
+	if (password == NULL) {
+		wpa_printf(MSG_INFO, "EAP-LEAP: Password not configured");
+		eap_sm_request_password(sm);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	/*
+	 * LEAP needs to be able to handle EAP-Success frame which does not
+	 * include Type field. Consequently, eap_hdr_validate() cannot be used
+	 * here. This validation will be done separately for EAP-Request and
+	 * EAP-Response frames.
+	 */
+	eap = wpabuf_head(reqData);
+	if (wpabuf_len(reqData) < sizeof(*eap) ||
+	    be_to_host16(eap->length) > wpabuf_len(reqData)) {
+		wpa_printf(MSG_INFO, "EAP-LEAP: Invalid frame");
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	ret->ignore = FALSE;
+	ret->allowNotifications = TRUE;
+	ret->methodState = METHOD_MAY_CONT;
+	ret->decision = DECISION_FAIL;
+
+	sm->leap_done = FALSE;
+
+	switch (eap->code) {
+	case EAP_CODE_REQUEST:
+		return eap_leap_process_request(sm, priv, ret, reqData);
+	case EAP_CODE_SUCCESS:
+		return eap_leap_process_success(sm, priv, ret, reqData);
+	case EAP_CODE_RESPONSE:
+		return eap_leap_process_response(sm, priv, ret, reqData);
+	default:
+		wpa_printf(MSG_INFO, "EAP-LEAP: Unexpected EAP code (%d) - "
+			   "ignored", eap->code);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+}
+
+
+static Boolean eap_leap_isKeyAvailable(struct eap_sm *sm, void *priv)
+{
+	struct eap_leap_data *data = priv;
+	return data->state == LEAP_DONE;
+}
+
+
+static u8 * eap_leap_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_leap_data *data = priv;
+	u8 *key, pw_hash_hash[16], pw_hash[16];
+	const u8 *addr[5], *password;
+	size_t elen[5], password_len;
+	int pwhash;
+
+	if (data->state != LEAP_DONE)
+		return NULL;
+
+	password = eap_get_config_password2(sm, &password_len, &pwhash);
+	if (password == NULL)
+		return NULL;
+
+	key = os_malloc(LEAP_KEY_LEN);
+	if (key == NULL)
+		return NULL;
+
+	if (pwhash) {
+		if (hash_nt_password_hash(password, pw_hash_hash)) {
+			os_free(key);
+			return NULL;
+		}
+	} else {
+		if (nt_password_hash(password, password_len, pw_hash) ||
+		    hash_nt_password_hash(pw_hash, pw_hash_hash)) {
+			os_free(key);
+			return NULL;
+		}
+	}
+	wpa_hexdump_key(MSG_DEBUG, "EAP-LEAP: pw_hash_hash",
+			pw_hash_hash, 16);
+	wpa_hexdump(MSG_DEBUG, "EAP-LEAP: peer_challenge",
+		    data->peer_challenge, LEAP_CHALLENGE_LEN);
+	wpa_hexdump(MSG_DEBUG, "EAP-LEAP: peer_response",
+		    data->peer_response, LEAP_RESPONSE_LEN);
+	wpa_hexdump(MSG_DEBUG, "EAP-LEAP: ap_challenge",
+		    data->ap_challenge, LEAP_CHALLENGE_LEN);
+	wpa_hexdump(MSG_DEBUG, "EAP-LEAP: ap_response",
+		    data->ap_response, LEAP_RESPONSE_LEN);
+
+	addr[0] = pw_hash_hash;
+	elen[0] = 16;
+	addr[1] = data->ap_challenge;
+	elen[1] = LEAP_CHALLENGE_LEN;
+	addr[2] = data->ap_response;
+	elen[2] = LEAP_RESPONSE_LEN;
+	addr[3] = data->peer_challenge;
+	elen[3] = LEAP_CHALLENGE_LEN;
+	addr[4] = data->peer_response;
+	elen[4] = LEAP_RESPONSE_LEN;
+	md5_vector(5, addr, elen, key);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-LEAP: master key", key, LEAP_KEY_LEN);
+	*len = LEAP_KEY_LEN;
+
+	return key;
+}
+
+
+int eap_peer_leap_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_IETF, EAP_TYPE_LEAP, "LEAP");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_leap_init;
+	eap->deinit = eap_leap_deinit;
+	eap->process = eap_leap_process;
+	eap->isKeyAvailable = eap_leap_isKeyAvailable;
+	eap->getKey = eap_leap_getKey;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_peer/eap_md5.c b/src/eap_peer/eap_md5.c
new file mode 100644
index 0000000..0edbae8
--- /dev/null
+++ b/src/eap_peer/eap_md5.c
@@ -0,0 +1,120 @@
+/*
+ * EAP peer method: EAP-MD5 (RFC 3748 and RFC 1994)
+ * Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eap_i.h"
+#include "eap_common/chap.h"
+
+
+static void * eap_md5_init(struct eap_sm *sm)
+{
+	/* No need for private data. However, must return non-NULL to indicate
+	 * success. */
+	return (void *) 1;
+}
+
+
+static void eap_md5_deinit(struct eap_sm *sm, void *priv)
+{
+}
+
+
+static struct wpabuf * eap_md5_process(struct eap_sm *sm, void *priv,
+				       struct eap_method_ret *ret,
+				       const struct wpabuf *reqData)
+{
+	struct wpabuf *resp;
+	const u8 *pos, *challenge, *password;
+	u8 *rpos, id;
+	size_t len, challenge_len, password_len;
+
+	password = eap_get_config_password(sm, &password_len);
+	if (password == NULL) {
+		wpa_printf(MSG_INFO, "EAP-MD5: Password not configured");
+		eap_sm_request_password(sm);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_MD5, reqData, &len);
+	if (pos == NULL || len == 0) {
+		wpa_printf(MSG_INFO, "EAP-MD5: Invalid frame (pos=%p len=%lu)",
+			   pos, (unsigned long) len);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	/*
+	 * CHAP Challenge:
+	 * Value-Size (1 octet) | Value(Challenge) | Name(optional)
+	 */
+	challenge_len = *pos++;
+	if (challenge_len == 0 || challenge_len > len - 1) {
+		wpa_printf(MSG_INFO, "EAP-MD5: Invalid challenge "
+			   "(challenge_len=%lu len=%lu)",
+			   (unsigned long) challenge_len, (unsigned long) len);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+	ret->ignore = FALSE;
+	challenge = pos;
+	wpa_hexdump(MSG_MSGDUMP, "EAP-MD5: Challenge",
+		    challenge, challenge_len);
+
+	wpa_printf(MSG_DEBUG, "EAP-MD5: Generating Challenge Response");
+	ret->methodState = METHOD_DONE;
+	ret->decision = DECISION_COND_SUCC;
+	ret->allowNotifications = TRUE;
+
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_MD5, 1 + CHAP_MD5_LEN,
+			     EAP_CODE_RESPONSE, eap_get_id(reqData));
+	if (resp == NULL)
+		return NULL;
+
+	/*
+	 * CHAP Response:
+	 * Value-Size (1 octet) | Value(Response) | Name(optional)
+	 */
+	wpabuf_put_u8(resp, CHAP_MD5_LEN);
+
+	id = eap_get_id(resp);
+	rpos = wpabuf_put(resp, CHAP_MD5_LEN);
+	chap_md5(id, password, password_len, challenge, challenge_len, rpos);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-MD5: Response", rpos, CHAP_MD5_LEN);
+
+	return resp;
+}
+
+
+int eap_peer_md5_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_IETF, EAP_TYPE_MD5, "MD5");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_md5_init;
+	eap->deinit = eap_md5_deinit;
+	eap->process = eap_md5_process;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_peer/eap_methods.c b/src/eap_peer/eap_methods.c
new file mode 100644
index 0000000..3b0af05
--- /dev/null
+++ b/src/eap_peer/eap_methods.c
@@ -0,0 +1,373 @@
+/*
+ * EAP peer: Method registration
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#ifdef CONFIG_DYNAMIC_EAP_METHODS
+#include <dlfcn.h>
+#endif /* CONFIG_DYNAMIC_EAP_METHODS */
+
+#include "common.h"
+#include "eap_i.h"
+#include "eap_methods.h"
+
+
+static struct eap_method *eap_methods = NULL;
+
+
+/**
+ * eap_peer_get_eap_method - Get EAP method based on type number
+ * @vendor: EAP Vendor-Id (0 = IETF)
+ * @method: EAP type number
+ * Returns: Pointer to EAP method or %NULL if not found
+ */
+const struct eap_method * eap_peer_get_eap_method(int vendor, EapType method)
+{
+	struct eap_method *m;
+	for (m = eap_methods; m; m = m->next) {
+		if (m->vendor == vendor && m->method == method)
+			return m;
+	}
+	return NULL;
+}
+
+
+/**
+ * eap_peer_get_type - Get EAP type for the given EAP method name
+ * @name: EAP method name, e.g., TLS
+ * @vendor: Buffer for returning EAP Vendor-Id
+ * Returns: EAP method type or %EAP_TYPE_NONE if not found
+ *
+ * This function maps EAP type names into EAP type numbers based on the list of
+ * EAP methods included in the build.
+ */
+EapType eap_peer_get_type(const char *name, int *vendor)
+{
+	struct eap_method *m;
+	for (m = eap_methods; m; m = m->next) {
+		if (os_strcmp(m->name, name) == 0) {
+			*vendor = m->vendor;
+			return m->method;
+		}
+	}
+	*vendor = EAP_VENDOR_IETF;
+	return EAP_TYPE_NONE;
+}
+
+
+/**
+ * eap_get_name - Get EAP method name for the given EAP type
+ * @vendor: EAP Vendor-Id (0 = IETF)
+ * @type: EAP method type
+ * Returns: EAP method name, e.g., TLS, or %NULL if not found
+ *
+ * This function maps EAP type numbers into EAP type names based on the list of
+ * EAP methods included in the build.
+ */
+const char * eap_get_name(int vendor, EapType type)
+{
+	struct eap_method *m;
+	for (m = eap_methods; m; m = m->next) {
+		if (m->vendor == vendor && m->method == type)
+			return m->name;
+	}
+	return NULL;
+}
+
+
+/**
+ * eap_get_names - Get space separated list of names for supported EAP methods
+ * @buf: Buffer for names
+ * @buflen: Buffer length
+ * Returns: Number of characters written into buf (not including nul
+ * termination)
+ */
+size_t eap_get_names(char *buf, size_t buflen)
+{
+	char *pos, *end;
+	struct eap_method *m;
+	int ret;
+
+	if (buflen == 0)
+		return 0;
+
+	pos = buf;
+	end = pos + buflen;
+
+	for (m = eap_methods; m; m = m->next) {
+		ret = os_snprintf(pos, end - pos, "%s%s",
+				  m == eap_methods ? "" : " ", m->name);
+		if (ret < 0 || ret >= end - pos)
+			break;
+		pos += ret;
+	}
+	buf[buflen - 1] = '\0';
+
+	return pos - buf;
+}
+
+
+/**
+ * eap_get_names_as_string_array - Get supported EAP methods as string array
+ * @num: Buffer for returning the number of items in array, not including %NULL
+ * terminator. This parameter can be %NULL if the length is not needed.
+ * Returns: A %NULL-terminated array of strings, or %NULL on error.
+ *
+ * This function returns the list of names for all supported EAP methods as an
+ * array of strings. The caller must free the returned array items and the
+ * array.
+ */
+char ** eap_get_names_as_string_array(size_t *num)
+{
+	struct eap_method *m;
+	size_t array_len = 0;
+	char **array;
+	int i = 0, j;
+
+	for (m = eap_methods; m; m = m->next)
+		array_len++;
+
+	array = os_zalloc(sizeof(char *) * (array_len + 1));
+	if (array == NULL)
+		return NULL;
+
+	for (m = eap_methods; m; m = m->next) {
+		array[i++] = os_strdup(m->name);
+		if (array[i - 1] == NULL) {
+			for (j = 0; j < i; j++)
+				os_free(array[j]);
+			os_free(array);
+			return NULL;
+		}
+	}
+	array[i] = NULL;
+
+	if (num)
+		*num = array_len;
+
+	return array;
+}
+
+
+/**
+ * eap_peer_get_methods - Get a list of enabled EAP peer methods
+ * @count: Set to number of available methods
+ * Returns: List of enabled EAP peer methods
+ */
+const struct eap_method * eap_peer_get_methods(size_t *count)
+{
+	int c = 0;
+	struct eap_method *m;
+
+	for (m = eap_methods; m; m = m->next)
+		c++;
+	
+	*count = c;
+	return eap_methods;
+}
+
+
+#ifdef CONFIG_DYNAMIC_EAP_METHODS
+/**
+ * eap_peer_method_load - Load a dynamic EAP method library (shared object)
+ * @so: File path for the shared object file to load
+ * Returns: 0 on success, -1 on failure
+ */
+int eap_peer_method_load(const char *so)
+{
+	void *handle;
+	int (*dyn_init)(void);
+	int ret;
+
+	handle = dlopen(so, RTLD_LAZY);
+	if (handle == NULL) {
+		wpa_printf(MSG_ERROR, "EAP: Failed to open dynamic EAP method "
+			   "'%s': %s", so, dlerror());
+		return -1;
+	}
+
+	dyn_init = dlsym(handle, "eap_peer_method_dynamic_init");
+	if (dyn_init == NULL) {
+		dlclose(handle);
+		wpa_printf(MSG_ERROR, "EAP: Invalid EAP method '%s' - no "
+			   "eap_peer_method_dynamic_init()", so);
+		return -1;
+	}
+
+	ret = dyn_init();
+	if (ret) {
+		dlclose(handle);
+		wpa_printf(MSG_ERROR, "EAP: Failed to add EAP method '%s' - "
+			   "ret %d", so, ret);
+		return ret;
+	}
+
+	/* Store the handle for this shared object. It will be freed with
+	 * dlclose() when the EAP method is unregistered. */
+	eap_methods->dl_handle = handle;
+
+	wpa_printf(MSG_DEBUG, "EAP: Loaded dynamic EAP method: '%s'", so);
+
+	return 0;
+}
+
+
+/**
+ * eap_peer_method_unload - Unload a dynamic EAP method library (shared object)
+ * @method: Pointer to the dynamically loaded EAP method
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function can be used to unload EAP methods that have been previously
+ * loaded with eap_peer_method_load(). Before unloading the method, all
+ * references to the method must be removed to make sure that no dereferences
+ * of freed memory will occur after unloading.
+ */
+int eap_peer_method_unload(struct eap_method *method)
+{
+	struct eap_method *m, *prev;
+	void *handle;
+
+	m = eap_methods;
+	prev = NULL;
+	while (m) {
+		if (m == method)
+			break;
+		prev = m;
+		m = m->next;
+	}
+
+	if (m == NULL || m->dl_handle == NULL)
+		return -1;
+
+	if (prev)
+		prev->next = m->next;
+	else
+		eap_methods = m->next;
+
+	handle = m->dl_handle;
+
+	if (m->free)
+		m->free(m);
+	else
+		eap_peer_method_free(m);
+
+	dlclose(handle);
+
+	return 0;
+}
+#endif /* CONFIG_DYNAMIC_EAP_METHODS */
+
+
+/**
+ * eap_peer_method_alloc - Allocate EAP peer method structure
+ * @version: Version of the EAP peer method interface (set to
+ * EAP_PEER_METHOD_INTERFACE_VERSION)
+ * @vendor: EAP Vendor-ID (EAP_VENDOR_*) (0 = IETF)
+ * @method: EAP type number (EAP_TYPE_*)
+ * @name: Name of the method (e.g., "TLS")
+ * Returns: Allocated EAP method structure or %NULL on failure
+ *
+ * The returned structure should be freed with eap_peer_method_free() when it
+ * is not needed anymore.
+ */
+struct eap_method * eap_peer_method_alloc(int version, int vendor,
+					  EapType method, const char *name)
+{
+	struct eap_method *eap;
+	eap = os_zalloc(sizeof(*eap));
+	if (eap == NULL)
+		return NULL;
+	eap->version = version;
+	eap->vendor = vendor;
+	eap->method = method;
+	eap->name = name;
+	return eap;
+}
+
+
+/**
+ * eap_peer_method_free - Free EAP peer method structure
+ * @method: Method structure allocated with eap_peer_method_alloc()
+ */
+void eap_peer_method_free(struct eap_method *method)
+{
+	os_free(method);
+}
+
+
+/**
+ * eap_peer_method_register - Register an EAP peer method
+ * @method: EAP method to register
+ * Returns: 0 on success, -1 on invalid method, or -2 if a matching EAP method
+ * has already been registered
+ *
+ * Each EAP peer method needs to call this function to register itself as a
+ * supported EAP method.
+ */
+int eap_peer_method_register(struct eap_method *method)
+{
+	struct eap_method *m, *last = NULL;
+
+	if (method == NULL || method->name == NULL ||
+	    method->version != EAP_PEER_METHOD_INTERFACE_VERSION)
+		return -1;
+
+	for (m = eap_methods; m; m = m->next) {
+		if ((m->vendor == method->vendor &&
+		     m->method == method->method) ||
+		    os_strcmp(m->name, method->name) == 0)
+			return -2;
+		last = m;
+	}
+
+	if (last)
+		last->next = method;
+	else
+		eap_methods = method;
+
+	return 0;
+}
+
+
+/**
+ * eap_peer_unregister_methods - Unregister EAP peer methods
+ *
+ * This function is called at program termination to unregister all EAP peer
+ * methods.
+ */
+void eap_peer_unregister_methods(void)
+{
+	struct eap_method *m;
+#ifdef CONFIG_DYNAMIC_EAP_METHODS
+	void *handle;
+#endif /* CONFIG_DYNAMIC_EAP_METHODS */
+
+	while (eap_methods) {
+		m = eap_methods;
+		eap_methods = eap_methods->next;
+
+#ifdef CONFIG_DYNAMIC_EAP_METHODS
+		handle = m->dl_handle;
+#endif /* CONFIG_DYNAMIC_EAP_METHODS */
+
+		if (m->free)
+			m->free(m);
+		else
+			eap_peer_method_free(m);
+
+#ifdef CONFIG_DYNAMIC_EAP_METHODS
+		if (handle)
+			dlclose(handle);
+#endif /* CONFIG_DYNAMIC_EAP_METHODS */
+	}
+}
diff --git a/src/eap_peer/eap_methods.h b/src/eap_peer/eap_methods.h
new file mode 100644
index 0000000..4330b57
--- /dev/null
+++ b/src/eap_peer/eap_methods.h
@@ -0,0 +1,114 @@
+/*
+ * EAP peer: Method registration
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_METHODS_H
+#define EAP_METHODS_H
+
+#include "eap_common/eap_defs.h"
+
+const struct eap_method * eap_peer_get_eap_method(int vendor, EapType method);
+const struct eap_method * eap_peer_get_methods(size_t *count);
+
+struct eap_method * eap_peer_method_alloc(int version, int vendor,
+					  EapType method, const char *name);
+void eap_peer_method_free(struct eap_method *method);
+int eap_peer_method_register(struct eap_method *method);
+
+
+#ifdef IEEE8021X_EAPOL
+
+EapType eap_peer_get_type(const char *name, int *vendor);
+const char * eap_get_name(int vendor, EapType type);
+size_t eap_get_names(char *buf, size_t buflen);
+char ** eap_get_names_as_string_array(size_t *num);
+void eap_peer_unregister_methods(void);
+
+#else /* IEEE8021X_EAPOL */
+
+static inline EapType eap_peer_get_type(const char *name, int *vendor)
+{
+	*vendor = EAP_VENDOR_IETF;
+	return EAP_TYPE_NONE;
+}
+
+static inline const char * eap_get_name(int vendor, EapType type)
+{
+	return NULL;
+}
+
+static inline size_t eap_get_names(char *buf, size_t buflen)
+{
+	return 0;
+}
+
+static inline int eap_peer_register_methods(void)
+{
+	return 0;
+}
+
+static inline void eap_peer_unregister_methods(void)
+{
+}
+
+static inline char ** eap_get_names_as_string_array(size_t *num)
+{
+	return NULL;
+}
+
+#endif /* IEEE8021X_EAPOL */
+
+
+#ifdef CONFIG_DYNAMIC_EAP_METHODS
+
+int eap_peer_method_load(const char *so);
+int eap_peer_method_unload(struct eap_method *method);
+
+#else /* CONFIG_DYNAMIC_EAP_METHODS */
+
+static inline int eap_peer_method_load(const char *so)
+{
+	return 0;
+}
+
+static inline int eap_peer_method_unload(struct eap_method *method)
+{
+	return 0;
+}
+
+#endif /* CONFIG_DYNAMIC_EAP_METHODS */
+
+/* EAP peer method registration calls for statically linked in methods */
+int eap_peer_md5_register(void);
+int eap_peer_tls_register(void);
+int eap_peer_mschapv2_register(void);
+int eap_peer_peap_register(void);
+int eap_peer_ttls_register(void);
+int eap_peer_gtc_register(void);
+int eap_peer_otp_register(void);
+int eap_peer_sim_register(void);
+int eap_peer_leap_register(void);
+int eap_peer_psk_register(void);
+int eap_peer_aka_register(void);
+int eap_peer_aka_prime_register(void);
+int eap_peer_fast_register(void);
+int eap_peer_pax_register(void);
+int eap_peer_sake_register(void);
+int eap_peer_gpsk_register(void);
+int eap_peer_wsc_register(void);
+int eap_peer_ikev2_register(void);
+int eap_peer_vendor_test_register(void);
+int eap_peer_tnc_register(void);
+int eap_peer_pwd_register(void);
+
+#endif /* EAP_METHODS_H */
diff --git a/src/eap_peer/eap_mschapv2.c b/src/eap_peer/eap_mschapv2.c
new file mode 100644
index 0000000..321e9f7
--- /dev/null
+++ b/src/eap_peer/eap_mschapv2.c
@@ -0,0 +1,883 @@
+/*
+ * EAP peer method: EAP-MSCHAPV2 (draft-kamath-pppext-eap-mschapv2-00.txt)
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This file implements EAP peer part of EAP-MSCHAPV2 method (EAP type 26).
+ * draft-kamath-pppext-eap-mschapv2-00.txt defines the Microsoft EAP CHAP
+ * Extensions Protocol, Version 2, for mutual authentication and key
+ * derivation. This encapsulates MS-CHAP-v2 protocol which is defined in
+ * RFC 2759. Use of EAP-MSCHAPV2 derived keys with MPPE cipher is described in
+ * RFC 3079.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/ms_funcs.h"
+#include "crypto/random.h"
+#include "common/wpa_ctrl.h"
+#include "mschapv2.h"
+#include "eap_i.h"
+#include "eap_config.h"
+
+
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+struct eap_mschapv2_hdr {
+	u8 op_code; /* MSCHAPV2_OP_* */
+	u8 mschapv2_id; /* usually same as EAP identifier; must be changed
+			 * for challenges, but not for success/failure */
+	u8 ms_length[2]; /* Note: misaligned; length - 5 */
+	/* followed by data */
+} STRUCT_PACKED;
+
+/* Response Data field */
+struct ms_response {
+	u8 peer_challenge[MSCHAPV2_CHAL_LEN];
+	u8 reserved[8];
+	u8 nt_response[MSCHAPV2_NT_RESPONSE_LEN];
+	u8 flags;
+} STRUCT_PACKED;
+
+/* Change-Password Data field */
+struct ms_change_password {
+	u8 encr_password[516];
+	u8 encr_hash[16];
+	u8 peer_challenge[MSCHAPV2_CHAL_LEN];
+	u8 reserved[8];
+	u8 nt_response[MSCHAPV2_NT_RESPONSE_LEN];
+	u8 flags[2];
+} STRUCT_PACKED;
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+#define MSCHAPV2_OP_CHALLENGE 1
+#define MSCHAPV2_OP_RESPONSE 2
+#define MSCHAPV2_OP_SUCCESS 3
+#define MSCHAPV2_OP_FAILURE 4
+#define MSCHAPV2_OP_CHANGE_PASSWORD 7
+
+#define ERROR_RESTRICTED_LOGON_HOURS 646
+#define ERROR_ACCT_DISABLED 647
+#define ERROR_PASSWD_EXPIRED 648
+#define ERROR_NO_DIALIN_PERMISSION 649
+#define ERROR_AUTHENTICATION_FAILURE 691
+#define ERROR_CHANGING_PASSWORD 709
+
+#define PASSWD_CHANGE_CHAL_LEN 16
+#define MSCHAPV2_KEY_LEN 16
+
+
+struct eap_mschapv2_data {
+	u8 auth_response[MSCHAPV2_AUTH_RESPONSE_LEN];
+	int auth_response_valid;
+
+	int prev_error;
+	u8 passwd_change_challenge[PASSWD_CHANGE_CHAL_LEN];
+	int passwd_change_challenge_valid;
+	int passwd_change_version;
+
+	/* Optional challenge values generated in EAP-FAST Phase 1 negotiation
+	 */
+	u8 *peer_challenge;
+	u8 *auth_challenge;
+
+	int phase2;
+	u8 master_key[MSCHAPV2_MASTER_KEY_LEN];
+	int master_key_valid;
+	int success;
+
+	struct wpabuf *prev_challenge;
+};
+
+
+static void eap_mschapv2_deinit(struct eap_sm *sm, void *priv);
+
+
+static void * eap_mschapv2_init(struct eap_sm *sm)
+{
+	struct eap_mschapv2_data *data;
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+
+	if (sm->peer_challenge) {
+		data->peer_challenge = os_malloc(MSCHAPV2_CHAL_LEN);
+		if (data->peer_challenge == NULL) {
+			eap_mschapv2_deinit(sm, data);
+			return NULL;
+		}
+		os_memcpy(data->peer_challenge, sm->peer_challenge,
+			  MSCHAPV2_CHAL_LEN);
+	}
+
+	if (sm->auth_challenge) {
+		data->auth_challenge = os_malloc(MSCHAPV2_CHAL_LEN);
+		if (data->auth_challenge == NULL) {
+			eap_mschapv2_deinit(sm, data);
+			return NULL;
+		}
+		os_memcpy(data->auth_challenge, sm->auth_challenge,
+			  MSCHAPV2_CHAL_LEN);
+	}
+
+	data->phase2 = sm->init_phase2;
+
+	return data;
+}
+
+
+static void eap_mschapv2_deinit(struct eap_sm *sm, void *priv)
+{
+	struct eap_mschapv2_data *data = priv;
+	os_free(data->peer_challenge);
+	os_free(data->auth_challenge);
+	wpabuf_free(data->prev_challenge);
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_mschapv2_challenge_reply(
+	struct eap_sm *sm, struct eap_mschapv2_data *data, u8 id,
+	u8 mschapv2_id, const u8 *auth_challenge)
+{
+	struct wpabuf *resp;
+	struct eap_mschapv2_hdr *ms;
+	u8 *peer_challenge;
+	int ms_len;
+	struct ms_response *r;
+	size_t identity_len, password_len;
+	const u8 *identity, *password;
+	int pwhash;
+
+	wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Generating Challenge Response");
+
+	identity = eap_get_config_identity(sm, &identity_len);
+	password = eap_get_config_password2(sm, &password_len, &pwhash);
+	if (identity == NULL || password == NULL)
+		return NULL;
+
+	ms_len = sizeof(*ms) + 1 + sizeof(*r) + identity_len;
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_MSCHAPV2, ms_len,
+			     EAP_CODE_RESPONSE, id);
+	if (resp == NULL)
+		return NULL;
+
+	ms = wpabuf_put(resp, sizeof(*ms));
+	ms->op_code = MSCHAPV2_OP_RESPONSE;
+	ms->mschapv2_id = mschapv2_id;
+	if (data->prev_error) {
+		/*
+		 * TODO: this does not seem to be enough when processing two
+		 * or more failure messages. IAS did not increment mschapv2_id
+		 * in its own packets, but it seemed to expect the peer to
+		 * increment this for all packets(?).
+		 */
+		ms->mschapv2_id++;
+	}
+	WPA_PUT_BE16(ms->ms_length, ms_len);
+
+	wpabuf_put_u8(resp, sizeof(*r)); /* Value-Size */
+
+	/* Response */
+	r = wpabuf_put(resp, sizeof(*r));
+	peer_challenge = r->peer_challenge;
+	if (data->peer_challenge) {
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: peer_challenge generated "
+			   "in Phase 1");
+		peer_challenge = data->peer_challenge;
+		os_memset(r->peer_challenge, 0, MSCHAPV2_CHAL_LEN);
+	} else if (random_get_bytes(peer_challenge, MSCHAPV2_CHAL_LEN)) {
+		wpabuf_free(resp);
+		return NULL;
+	}
+	os_memset(r->reserved, 0, 8);
+	if (data->auth_challenge) {
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: auth_challenge generated "
+			   "in Phase 1");
+		auth_challenge = data->auth_challenge;
+	}
+	if (mschapv2_derive_response(identity, identity_len, password,
+				     password_len, pwhash, auth_challenge,
+				     peer_challenge, r->nt_response,
+				     data->auth_response, data->master_key)) {
+		wpa_printf(MSG_ERROR, "EAP-MSCHAPV2: Failed to derive "
+			   "response");
+		wpabuf_free(resp);
+		return NULL;
+	}
+	data->auth_response_valid = 1;
+	data->master_key_valid = 1;
+
+	r->flags = 0; /* reserved, must be zero */
+
+	wpabuf_put_data(resp, identity, identity_len);
+	wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: TX identifier %d mschapv2_id %d "
+		   "(response)", id, ms->mschapv2_id);
+	return resp;
+}
+
+
+/**
+ * eap_mschapv2_process - Process an EAP-MSCHAPv2 challenge message
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @data: Pointer to private EAP method data from eap_mschapv2_init()
+ * @ret: Return values from EAP request validation and processing
+ * @req: Pointer to EAP-MSCHAPv2 header from the request
+ * @req_len: Length of the EAP-MSCHAPv2 data
+ * @id: EAP identifier used in the request
+ * Returns: Pointer to allocated EAP response packet (eapRespData) or %NULL if
+ * no reply available
+ */
+static struct wpabuf * eap_mschapv2_challenge(
+	struct eap_sm *sm, struct eap_mschapv2_data *data,
+	struct eap_method_ret *ret, const struct eap_mschapv2_hdr *req,
+	size_t req_len, u8 id)
+{
+	size_t len, challenge_len;
+	const u8 *pos, *challenge;
+
+	if (eap_get_config_identity(sm, &len) == NULL ||
+	    eap_get_config_password(sm, &len) == NULL)
+		return NULL;
+
+	wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Received challenge");
+	if (req_len < sizeof(*req) + 1) {
+		wpa_printf(MSG_INFO, "EAP-MSCHAPV2: Too short challenge data "
+			   "(len %lu)", (unsigned long) req_len);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+	pos = (const u8 *) (req + 1);
+	challenge_len = *pos++;
+	len = req_len - sizeof(*req) - 1;
+	if (challenge_len != MSCHAPV2_CHAL_LEN) {
+		wpa_printf(MSG_INFO, "EAP-MSCHAPV2: Invalid challenge length "
+			   "%lu", (unsigned long) challenge_len);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (len < challenge_len) {
+		wpa_printf(MSG_INFO, "EAP-MSCHAPV2: Too short challenge"
+			   " packet: len=%lu challenge_len=%lu",
+			   (unsigned long) len, (unsigned long) challenge_len);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (data->passwd_change_challenge_valid) {
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Using challenge from the "
+			   "failure message");
+		challenge = data->passwd_change_challenge;
+	} else
+		challenge = pos;
+	pos += challenge_len;
+	len -= challenge_len;
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-MSCHAPV2: Authentication Servername",
+		    pos, len);
+
+	ret->ignore = FALSE;
+	ret->methodState = METHOD_MAY_CONT;
+	ret->decision = DECISION_FAIL;
+	ret->allowNotifications = TRUE;
+
+	return eap_mschapv2_challenge_reply(sm, data, id, req->mschapv2_id,
+					    challenge);
+}
+
+
+static void eap_mschapv2_password_changed(struct eap_sm *sm,
+					  struct eap_mschapv2_data *data)
+{
+	struct eap_peer_config *config = eap_get_config(sm);
+	if (config && config->new_password) {
+		wpa_msg(sm->msg_ctx, MSG_INFO,
+			WPA_EVENT_PASSWORD_CHANGED
+			"EAP-MSCHAPV2: Password changed successfully");
+		data->prev_error = 0;
+		os_free(config->password);
+		if (config->flags & EAP_CONFIG_FLAGS_PASSWORD_NTHASH) {
+			config->password = os_malloc(16);
+			config->password_len = 16;
+			if (config->password) {
+				nt_password_hash(config->new_password,
+						 config->new_password_len,
+						 config->password);
+			}
+			os_free(config->new_password);
+		} else {
+			config->password = config->new_password;
+			config->password_len = config->new_password_len;
+		}
+		config->new_password = NULL;
+		config->new_password_len = 0;
+	}
+}
+
+
+/**
+ * eap_mschapv2_process - Process an EAP-MSCHAPv2 success message
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @data: Pointer to private EAP method data from eap_mschapv2_init()
+ * @ret: Return values from EAP request validation and processing
+ * @req: Pointer to EAP-MSCHAPv2 header from the request
+ * @req_len: Length of the EAP-MSCHAPv2 data
+ * @id: EAP identifier used in th erequest
+ * Returns: Pointer to allocated EAP response packet (eapRespData) or %NULL if
+ * no reply available
+ */
+static struct wpabuf * eap_mschapv2_success(struct eap_sm *sm,
+					    struct eap_mschapv2_data *data,
+					    struct eap_method_ret *ret,
+					    const struct eap_mschapv2_hdr *req,
+					    size_t req_len, u8 id)
+{
+	struct wpabuf *resp;
+	const u8 *pos;
+	size_t len;
+
+	wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Received success");
+	len = req_len - sizeof(*req);
+	pos = (const u8 *) (req + 1);
+	if (!data->auth_response_valid ||
+	    mschapv2_verify_auth_response(data->auth_response, pos, len)) {
+		wpa_printf(MSG_WARNING, "EAP-MSCHAPV2: Invalid authenticator "
+			   "response in success request");
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_FAIL;
+		return NULL;
+	}
+	pos += 2 + 2 * MSCHAPV2_AUTH_RESPONSE_LEN;
+	len -= 2 + 2 * MSCHAPV2_AUTH_RESPONSE_LEN;
+	while (len > 0 && *pos == ' ') {
+		pos++;
+		len--;
+	}
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-MSCHAPV2: Success message",
+			  pos, len);
+	wpa_printf(MSG_INFO, "EAP-MSCHAPV2: Authentication succeeded");
+
+	/* Note: Only op_code of the EAP-MSCHAPV2 header is included in success
+	 * message. */
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_MSCHAPV2, 1,
+			     EAP_CODE_RESPONSE, id);
+	if (resp == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Failed to allocate "
+			   "buffer for success response");
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	wpabuf_put_u8(resp, MSCHAPV2_OP_SUCCESS); /* op_code */
+
+	ret->methodState = METHOD_DONE;
+	ret->decision = DECISION_UNCOND_SUCC;
+	ret->allowNotifications = FALSE;
+	data->success = 1;
+
+	if (data->prev_error == ERROR_PASSWD_EXPIRED)
+		eap_mschapv2_password_changed(sm, data);
+
+	return resp;
+}
+
+
+static int eap_mschapv2_failure_txt(struct eap_sm *sm,
+				    struct eap_mschapv2_data *data, char *txt)
+{
+	char *pos, *msg = "";
+	int retry = 1;
+	struct eap_peer_config *config = eap_get_config(sm);
+
+	/* For example:
+	 * E=691 R=1 C=<32 octets hex challenge> V=3 M=Authentication Failure
+	 */
+
+	pos = txt;
+
+	if (pos && os_strncmp(pos, "E=", 2) == 0) {
+		pos += 2;
+		data->prev_error = atoi(pos);
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: error %d",
+			   data->prev_error);
+		pos = os_strchr(pos, ' ');
+		if (pos)
+			pos++;
+	}
+
+	if (pos && os_strncmp(pos, "R=", 2) == 0) {
+		pos += 2;
+		retry = atoi(pos);
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: retry is %sallowed",
+			   retry == 1 ? "" : "not ");
+		pos = os_strchr(pos, ' ');
+		if (pos)
+			pos++;
+	}
+
+	if (pos && os_strncmp(pos, "C=", 2) == 0) {
+		int hex_len;
+		pos += 2;
+		hex_len = os_strchr(pos, ' ') - (char *) pos;
+		if (hex_len == PASSWD_CHANGE_CHAL_LEN * 2) {
+			if (hexstr2bin(pos, data->passwd_change_challenge,
+				       PASSWD_CHANGE_CHAL_LEN)) {
+				wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: invalid "
+					   "failure challenge");
+			} else {
+				wpa_hexdump(MSG_DEBUG, "EAP-MSCHAPV2: failure "
+					    "challenge",
+					    data->passwd_change_challenge,
+					    PASSWD_CHANGE_CHAL_LEN);
+				data->passwd_change_challenge_valid = 1;
+			}
+		} else {
+			wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: invalid failure "
+				   "challenge len %d", hex_len);
+		}
+		pos = os_strchr(pos, ' ');
+		if (pos)
+			pos++;
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: required challenge field "
+			   "was not present in failure message");
+	}
+
+	if (pos && os_strncmp(pos, "V=", 2) == 0) {
+		pos += 2;
+		data->passwd_change_version = atoi(pos);
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: password changing "
+			   "protocol version %d", data->passwd_change_version);
+		pos = os_strchr(pos, ' ');
+		if (pos)
+			pos++;
+	}
+
+	if (pos && os_strncmp(pos, "M=", 2) == 0) {
+		pos += 2;
+		msg = pos;
+	}
+	wpa_msg(sm->msg_ctx, MSG_WARNING,
+		"EAP-MSCHAPV2: failure message: '%s' (retry %sallowed, error "
+		"%d)",
+		msg, retry == 1 ? "" : "not ", data->prev_error);
+	if (data->prev_error == ERROR_PASSWD_EXPIRED &&
+	    data->passwd_change_version == 3 && config) {
+		if (config->new_password == NULL) {
+			wpa_msg(sm->msg_ctx, MSG_INFO,
+				"EAP-MSCHAPV2: Password expired - password "
+				"change required");
+			eap_sm_request_new_password(sm);
+		}
+	} else if (retry == 1 && config) {
+		/* TODO: could prevent the current password from being used
+		 * again at least for some period of time */
+		if (!config->mschapv2_retry)
+			eap_sm_request_identity(sm);
+		eap_sm_request_password(sm);
+		config->mschapv2_retry = 1;
+	} else if (config) {
+		/* TODO: prevent retries using same username/password */
+		config->mschapv2_retry = 0;
+	}
+
+	return retry == 1;
+}
+
+
+static struct wpabuf * eap_mschapv2_change_password(
+	struct eap_sm *sm, struct eap_mschapv2_data *data,
+	struct eap_method_ret *ret, const struct eap_mschapv2_hdr *req, u8 id)
+{
+	struct wpabuf *resp;
+	int ms_len;
+	const u8 *username, *password, *new_password;
+	size_t username_len, password_len, new_password_len;
+	struct eap_mschapv2_hdr *ms;
+	struct ms_change_password *cp;
+	u8 password_hash[16], password_hash_hash[16];
+	int pwhash;
+
+	username = eap_get_config_identity(sm, &username_len);
+	password = eap_get_config_password2(sm, &password_len, &pwhash);
+	new_password = eap_get_config_new_password(sm, &new_password_len);
+	if (username == NULL || password == NULL || new_password == NULL)
+		return NULL;
+
+	username = mschapv2_remove_domain(username, &username_len);
+
+	ret->ignore = FALSE;
+	ret->methodState = METHOD_MAY_CONT;
+	ret->decision = DECISION_COND_SUCC;
+	ret->allowNotifications = TRUE;
+
+	ms_len = sizeof(*ms) + sizeof(*cp);
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_MSCHAPV2, ms_len,
+			     EAP_CODE_RESPONSE, id);
+	if (resp == NULL)
+		return NULL;
+
+	ms = wpabuf_put(resp, sizeof(*ms));
+	ms->op_code = MSCHAPV2_OP_CHANGE_PASSWORD;
+	ms->mschapv2_id = req->mschapv2_id + 1;
+	WPA_PUT_BE16(ms->ms_length, ms_len);
+	cp = wpabuf_put(resp, sizeof(*cp));
+
+	/* Encrypted-Password */
+	if (pwhash) {
+		if (encrypt_pw_block_with_password_hash(
+			    new_password, new_password_len,
+			    password, cp->encr_password))
+			goto fail;
+	} else {
+		if (new_password_encrypted_with_old_nt_password_hash(
+			    new_password, new_password_len,
+			    password, password_len, cp->encr_password))
+			goto fail;
+	}
+
+	/* Encrypted-Hash */
+	if (pwhash) {
+		u8 new_password_hash[16];
+		nt_password_hash(new_password, new_password_len,
+				 new_password_hash);
+		nt_password_hash_encrypted_with_block(password,
+						      new_password_hash,
+						      cp->encr_hash);
+	} else {
+		old_nt_password_hash_encrypted_with_new_nt_password_hash(
+			new_password, new_password_len,
+			password, password_len, cp->encr_hash);
+	}
+
+	/* Peer-Challenge */
+	if (random_get_bytes(cp->peer_challenge, MSCHAPV2_CHAL_LEN))
+		goto fail;
+
+	/* Reserved, must be zero */
+	os_memset(cp->reserved, 0, 8);
+
+	/* NT-Response */
+	wpa_hexdump(MSG_DEBUG, "EAP-MSCHAPV2: auth_challenge",
+		    data->passwd_change_challenge, PASSWD_CHANGE_CHAL_LEN);
+	wpa_hexdump(MSG_DEBUG, "EAP-MSCHAPV2: peer_challenge",
+		    cp->peer_challenge, MSCHAPV2_CHAL_LEN);
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-MSCHAPV2: username",
+			  username, username_len);
+	wpa_hexdump_ascii_key(MSG_DEBUG, "EAP-MSCHAPV2: new password",
+			      new_password, new_password_len);
+	generate_nt_response(data->passwd_change_challenge, cp->peer_challenge,
+			     username, username_len,
+			     new_password, new_password_len,
+			     cp->nt_response);
+	wpa_hexdump(MSG_DEBUG, "EAP-MSCHAPV2: NT-Response",
+		    cp->nt_response, MSCHAPV2_NT_RESPONSE_LEN);
+
+	/* Authenticator response is not really needed yet, but calculate it
+	 * here so that challenges need not be saved. */
+	generate_authenticator_response(new_password, new_password_len,
+					cp->peer_challenge,
+					data->passwd_change_challenge,
+					username, username_len,
+					cp->nt_response, data->auth_response);
+	data->auth_response_valid = 1;
+
+	/* Likewise, generate master_key here since we have the needed data
+	 * available. */
+	nt_password_hash(new_password, new_password_len, password_hash);
+	hash_nt_password_hash(password_hash, password_hash_hash);
+	get_master_key(password_hash_hash, cp->nt_response, data->master_key);
+	data->master_key_valid = 1;
+
+	/* Flags */
+	os_memset(cp->flags, 0, 2);
+
+	wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: TX identifier %d mschapv2_id %d "
+		   "(change pw)", id, ms->mschapv2_id);
+
+	return resp;
+
+fail:
+	wpabuf_free(resp);
+	return NULL;
+}
+
+
+/**
+ * eap_mschapv2_process - Process an EAP-MSCHAPv2 failure message
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @data: Pointer to private EAP method data from eap_mschapv2_init()
+ * @ret: Return values from EAP request validation and processing
+ * @req: Pointer to EAP-MSCHAPv2 header from the request
+ * @req_len: Length of the EAP-MSCHAPv2 data
+ * @id: EAP identifier used in th erequest
+ * Returns: Pointer to allocated EAP response packet (eapRespData) or %NULL if
+ * no reply available
+ */
+static struct wpabuf * eap_mschapv2_failure(struct eap_sm *sm,
+					    struct eap_mschapv2_data *data,
+					    struct eap_method_ret *ret,
+					    const struct eap_mschapv2_hdr *req,
+					    size_t req_len, u8 id)
+{
+	struct wpabuf *resp;
+	const u8 *msdata = (const u8 *) (req + 1);
+	char *buf;
+	size_t len = req_len - sizeof(*req);
+	int retry = 0;
+
+	wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Received failure");
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-MSCHAPV2: Failure data",
+			  msdata, len);
+	/*
+	 * eap_mschapv2_failure_txt() expects a nul terminated string, so we
+	 * must allocate a large enough temporary buffer to create that since
+	 * the received message does not include nul termination.
+	 */
+	buf = os_malloc(len + 1);
+	if (buf) {
+		os_memcpy(buf, msdata, len);
+		buf[len] = '\0';
+		retry = eap_mschapv2_failure_txt(sm, data, buf);
+		os_free(buf);
+	}
+
+	ret->ignore = FALSE;
+	ret->methodState = METHOD_DONE;
+	ret->decision = DECISION_FAIL;
+	ret->allowNotifications = FALSE;
+
+	if (data->prev_error == ERROR_PASSWD_EXPIRED &&
+	    data->passwd_change_version == 3) {
+		struct eap_peer_config *config = eap_get_config(sm);
+		if (config && config->new_password)
+			return eap_mschapv2_change_password(sm, data, ret, req,
+							    id);
+		if (config && config->pending_req_new_password)
+			return NULL;
+	} else if (retry && data->prev_error == ERROR_AUTHENTICATION_FAILURE) {
+		/* TODO: could try to retry authentication, e.g, after having
+		 * changed the username/password. In this case, EAP MS-CHAP-v2
+		 * Failure Response would not be sent here. */
+		return NULL;
+	}
+
+	/* Note: Only op_code of the EAP-MSCHAPV2 header is included in failure
+	 * message. */
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_MSCHAPV2, 1,
+			     EAP_CODE_RESPONSE, id);
+	if (resp == NULL)
+		return NULL;
+
+	wpabuf_put_u8(resp, MSCHAPV2_OP_FAILURE); /* op_code */
+
+	return resp;
+}
+
+
+static int eap_mschapv2_check_config(struct eap_sm *sm)
+{
+	size_t len;
+
+	if (eap_get_config_identity(sm, &len) == NULL) {
+		wpa_printf(MSG_INFO, "EAP-MSCHAPV2: Identity not configured");
+		eap_sm_request_identity(sm);
+		return -1;
+	}
+
+	if (eap_get_config_password(sm, &len) == NULL) {
+		wpa_printf(MSG_INFO, "EAP-MSCHAPV2: Password not configured");
+		eap_sm_request_password(sm);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int eap_mschapv2_check_mslen(struct eap_sm *sm, size_t len,
+				    const struct eap_mschapv2_hdr *ms)
+{
+	size_t ms_len = WPA_GET_BE16(ms->ms_length);
+
+	if (ms_len == len)
+		return 0;
+
+	wpa_printf(MSG_INFO, "EAP-MSCHAPV2: Invalid header: len=%lu "
+		   "ms_len=%lu", (unsigned long) len, (unsigned long) ms_len);
+	if (sm->workaround) {
+		/* Some authentication servers use invalid ms_len,
+		 * ignore it for interoperability. */
+		wpa_printf(MSG_INFO, "EAP-MSCHAPV2: workaround, ignore"
+			   " invalid ms_len %lu (len %lu)",
+			   (unsigned long) ms_len,
+			   (unsigned long) len);
+		return 0;
+	}
+
+	return -1;
+}
+
+
+static void eap_mschapv2_copy_challenge(struct eap_mschapv2_data *data,
+					const struct wpabuf *reqData)
+{
+	/*
+	 * Store a copy of the challenge message, so that it can be processed
+	 * again in case retry is allowed after a possible failure.
+	 */
+	wpabuf_free(data->prev_challenge);
+	data->prev_challenge = wpabuf_dup(reqData);
+}
+
+
+/**
+ * eap_mschapv2_process - Process an EAP-MSCHAPv2 request
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @priv: Pointer to private EAP method data from eap_mschapv2_init()
+ * @ret: Return values from EAP request validation and processing
+ * @reqData: EAP request to be processed (eapReqData)
+ * Returns: Pointer to allocated EAP response packet (eapRespData) or %NULL if
+ * no reply available
+ */
+static struct wpabuf * eap_mschapv2_process(struct eap_sm *sm, void *priv,
+					    struct eap_method_ret *ret,
+					    const struct wpabuf *reqData)
+{
+	struct eap_mschapv2_data *data = priv;
+	struct eap_peer_config *config = eap_get_config(sm);
+	const struct eap_mschapv2_hdr *ms;
+	int using_prev_challenge = 0;
+	const u8 *pos;
+	size_t len;
+	u8 id;
+
+	if (eap_mschapv2_check_config(sm)) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (config->mschapv2_retry && data->prev_challenge &&
+	    data->prev_error == ERROR_AUTHENTICATION_FAILURE) {
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Replacing pending packet "
+			   "with the previous challenge");
+
+		reqData = data->prev_challenge;
+		using_prev_challenge = 1;
+		config->mschapv2_retry = 0;
+	}
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_MSCHAPV2, reqData,
+			       &len);
+	if (pos == NULL || len < sizeof(*ms) + 1) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	ms = (const struct eap_mschapv2_hdr *) pos;
+	if (eap_mschapv2_check_mslen(sm, len, ms)) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	id = eap_get_id(reqData);
+	wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: RX identifier %d mschapv2_id %d",
+		   id, ms->mschapv2_id);
+
+	switch (ms->op_code) {
+	case MSCHAPV2_OP_CHALLENGE:
+		if (!using_prev_challenge)
+			eap_mschapv2_copy_challenge(data, reqData);
+		return eap_mschapv2_challenge(sm, data, ret, ms, len, id);
+	case MSCHAPV2_OP_SUCCESS:
+		return eap_mschapv2_success(sm, data, ret, ms, len, id);
+	case MSCHAPV2_OP_FAILURE:
+		return eap_mschapv2_failure(sm, data, ret, ms, len, id);
+	default:
+		wpa_printf(MSG_INFO, "EAP-MSCHAPV2: Unknown op %d - ignored",
+			   ms->op_code);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+}
+
+
+static Boolean eap_mschapv2_isKeyAvailable(struct eap_sm *sm, void *priv)
+{
+	struct eap_mschapv2_data *data = priv;
+	return data->success && data->master_key_valid;
+}
+
+
+static u8 * eap_mschapv2_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_mschapv2_data *data = priv;
+	u8 *key;
+	int key_len;
+
+	if (!data->master_key_valid || !data->success)
+		return NULL;
+
+	key_len = 2 * MSCHAPV2_KEY_LEN;
+
+	key = os_malloc(key_len);
+	if (key == NULL)
+		return NULL;
+
+	/* MSK = server MS-MPPE-Recv-Key | MS-MPPE-Send-Key, i.e.,
+	 *	peer MS-MPPE-Send-Key | MS-MPPE-Recv-Key */
+	get_asymetric_start_key(data->master_key, key, MSCHAPV2_KEY_LEN, 1, 0);
+	get_asymetric_start_key(data->master_key, key + MSCHAPV2_KEY_LEN,
+				MSCHAPV2_KEY_LEN, 0, 0);
+
+	wpa_hexdump_key(MSG_DEBUG, "EAP-MSCHAPV2: Derived key",
+			key, key_len);
+
+	*len = key_len;
+	return key;
+}
+
+
+/**
+ * eap_peer_mschapv2_register - Register EAP-MSCHAPv2 peer method
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is used to register EAP-MSCHAPv2 peer method into the EAP
+ * method list.
+ */
+int eap_peer_mschapv2_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_IETF, EAP_TYPE_MSCHAPV2,
+				    "MSCHAPV2");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_mschapv2_init;
+	eap->deinit = eap_mschapv2_deinit;
+	eap->process = eap_mschapv2_process;
+	eap->isKeyAvailable = eap_mschapv2_isKeyAvailable;
+	eap->getKey = eap_mschapv2_getKey;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_peer/eap_otp.c b/src/eap_peer/eap_otp.c
new file mode 100644
index 0000000..556c22f
--- /dev/null
+++ b/src/eap_peer/eap_otp.c
@@ -0,0 +1,107 @@
+/*
+ * EAP peer method: EAP-OTP (RFC 3748)
+ * Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eap_i.h"
+
+
+static void * eap_otp_init(struct eap_sm *sm)
+{
+	/* No need for private data. However, must return non-NULL to indicate
+	 * success. */
+	return (void *) 1;
+}
+
+
+static void eap_otp_deinit(struct eap_sm *sm, void *priv)
+{
+}
+
+
+static struct wpabuf * eap_otp_process(struct eap_sm *sm, void *priv,
+				       struct eap_method_ret *ret,
+				       const struct wpabuf *reqData)
+{
+	struct wpabuf *resp;
+	const u8 *pos, *password;
+	size_t password_len, len;
+	int otp;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_OTP, reqData, &len);
+	if (pos == NULL) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+	wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-OTP: Request message",
+			  pos, len);
+
+	password = eap_get_config_otp(sm, &password_len);
+	if (password)
+		otp = 1;
+	else {
+		password = eap_get_config_password(sm, &password_len);
+		otp = 0;
+	}
+
+	if (password == NULL) {
+		wpa_printf(MSG_INFO, "EAP-OTP: Password not configured");
+		eap_sm_request_otp(sm, (const char *) pos, len);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	ret->ignore = FALSE;
+
+	ret->methodState = METHOD_DONE;
+	ret->decision = DECISION_COND_SUCC;
+	ret->allowNotifications = FALSE;
+
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_OTP, password_len,
+			     EAP_CODE_RESPONSE, eap_get_id(reqData));
+	if (resp == NULL)
+		return NULL;
+	wpabuf_put_data(resp, password, password_len);
+	wpa_hexdump_ascii_key(MSG_MSGDUMP, "EAP-OTP: Response",
+			      password, password_len);
+
+	if (otp) {
+		wpa_printf(MSG_DEBUG, "EAP-OTP: Forgetting used password");
+		eap_clear_config_otp(sm);
+	}
+
+	return resp;
+}
+
+
+int eap_peer_otp_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_IETF, EAP_TYPE_OTP, "OTP");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_otp_init;
+	eap->deinit = eap_otp_deinit;
+	eap->process = eap_otp_process;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_peer/eap_pax.c b/src/eap_peer/eap_pax.c
new file mode 100644
index 0000000..d42a7f8
--- /dev/null
+++ b/src/eap_peer/eap_pax.c
@@ -0,0 +1,531 @@
+/*
+ * EAP peer method: EAP-PAX (RFC 4746)
+ * Copyright (c) 2005-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/random.h"
+#include "eap_common/eap_pax_common.h"
+#include "eap_i.h"
+
+/*
+ * Note: only PAX_STD subprotocol is currently supported
+ *
+ * TODO: Add support with PAX_SEC with the mandatory to implement ciphersuite
+ * (HMAC_SHA1_128, IANA DH Group 14 (2048 bits), RSA-PKCS1-V1_5) and
+ * recommended ciphersuite (HMAC_SHA256_128, IANA DH Group 15 (3072 bits),
+ * RSAES-OAEP).
+ */
+
+struct eap_pax_data {
+	enum { PAX_INIT, PAX_STD_2_SENT, PAX_DONE } state;
+	u8 mac_id, dh_group_id, public_key_id;
+	union {
+		u8 e[2 * EAP_PAX_RAND_LEN];
+		struct {
+			u8 x[EAP_PAX_RAND_LEN]; /* server rand */
+			u8 y[EAP_PAX_RAND_LEN]; /* client rand */
+		} r;
+	} rand;
+	char *cid;
+	size_t cid_len;
+	u8 ak[EAP_PAX_AK_LEN];
+	u8 mk[EAP_PAX_MK_LEN];
+	u8 ck[EAP_PAX_CK_LEN];
+	u8 ick[EAP_PAX_ICK_LEN];
+};
+
+
+static void eap_pax_deinit(struct eap_sm *sm, void *priv);
+
+
+static void * eap_pax_init(struct eap_sm *sm)
+{
+	struct eap_pax_data *data;
+	const u8 *identity, *password;
+	size_t identity_len, password_len;
+
+	identity = eap_get_config_identity(sm, &identity_len);
+	password = eap_get_config_password(sm, &password_len);
+	if (!identity || !password) {
+		wpa_printf(MSG_INFO, "EAP-PAX: CID (nai) or key (password) "
+			   "not configured");
+		return NULL;
+	}
+
+	if (password_len != EAP_PAX_AK_LEN) {
+		wpa_printf(MSG_INFO, "EAP-PAX: Invalid PSK length");
+		return NULL;
+	}
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = PAX_INIT;
+
+	data->cid = os_malloc(identity_len);
+	if (data->cid == NULL) {
+		eap_pax_deinit(sm, data);
+		return NULL;
+	}
+	os_memcpy(data->cid, identity, identity_len);
+	data->cid_len = identity_len;
+
+	os_memcpy(data->ak, password, EAP_PAX_AK_LEN);
+
+	return data;
+}
+
+
+static void eap_pax_deinit(struct eap_sm *sm, void *priv)
+{
+	struct eap_pax_data *data = priv;
+	os_free(data->cid);
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_pax_alloc_resp(const struct eap_pax_hdr *req,
+					  u8 id, u8 op_code, size_t plen)
+{
+	struct wpabuf *resp;
+	struct eap_pax_hdr *pax;
+
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_PAX,
+			     sizeof(*pax) + plen, EAP_CODE_RESPONSE, id);
+	if (resp == NULL)
+		return NULL;
+
+	pax = wpabuf_put(resp, sizeof(*pax));
+	pax->op_code = op_code;
+	pax->flags = 0;
+	pax->mac_id = req->mac_id;
+	pax->dh_group_id = req->dh_group_id;
+	pax->public_key_id = req->public_key_id;
+
+	return resp;
+}
+
+
+static struct wpabuf * eap_pax_process_std_1(struct eap_pax_data *data,
+					     struct eap_method_ret *ret, u8 id,
+					     const struct eap_pax_hdr *req,
+					     size_t req_plen)
+{
+	struct wpabuf *resp;
+	const u8 *pos;
+	u8 *rpos;
+	size_t left, plen;
+
+	wpa_printf(MSG_DEBUG, "EAP-PAX: PAX_STD-1 (received)");
+
+	if (data->state != PAX_INIT) {
+		wpa_printf(MSG_INFO, "EAP-PAX: PAX_STD-1 received in "
+			   "unexpected state (%d) - ignored", data->state);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (req->flags & EAP_PAX_FLAGS_CE) {
+		wpa_printf(MSG_INFO, "EAP-PAX: PAX_STD-1 with CE flag set - "
+			   "ignored");
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	left = req_plen - sizeof(*req);
+
+	if (left < 2 + EAP_PAX_RAND_LEN) {
+		wpa_printf(MSG_INFO, "EAP-PAX: PAX_STD-1 with too short "
+			   "payload");
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	pos = (const u8 *) (req + 1);
+	if (WPA_GET_BE16(pos) != EAP_PAX_RAND_LEN) {
+		wpa_printf(MSG_INFO, "EAP-PAX: PAX_STD-1 with incorrect A "
+			   "length %d (expected %d)",
+			   WPA_GET_BE16(pos), EAP_PAX_RAND_LEN);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	pos += 2;
+	left -= 2;
+	os_memcpy(data->rand.r.x, pos, EAP_PAX_RAND_LEN);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: X (server rand)",
+		    data->rand.r.x, EAP_PAX_RAND_LEN);
+	pos += EAP_PAX_RAND_LEN;
+	left -= EAP_PAX_RAND_LEN;
+
+	if (left > 0) {
+		wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: ignored extra payload",
+			    pos, left);
+	}
+
+	if (random_get_bytes(data->rand.r.y, EAP_PAX_RAND_LEN)) {
+		wpa_printf(MSG_ERROR, "EAP-PAX: Failed to get random data");
+		ret->ignore = TRUE;
+		return NULL;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: Y (client rand)",
+		    data->rand.r.y, EAP_PAX_RAND_LEN);
+
+	if (eap_pax_initial_key_derivation(req->mac_id, data->ak, data->rand.e,
+					   data->mk, data->ck, data->ick) < 0)
+	{
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-PAX: PAX_STD-2 (sending)");
+
+	plen = 2 + EAP_PAX_RAND_LEN + 2 + data->cid_len + 2 + EAP_PAX_MAC_LEN +
+		EAP_PAX_ICV_LEN;
+	resp = eap_pax_alloc_resp(req, id, EAP_PAX_OP_STD_2, plen);
+	if (resp == NULL)
+		return NULL;
+
+	wpabuf_put_be16(resp, EAP_PAX_RAND_LEN);
+	wpabuf_put_data(resp, data->rand.r.y, EAP_PAX_RAND_LEN);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: B = Y (client rand)",
+		    data->rand.r.y, EAP_PAX_RAND_LEN);
+
+	wpabuf_put_be16(resp, data->cid_len);
+	wpabuf_put_data(resp, data->cid, data->cid_len);
+	wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-PAX: CID",
+			  (u8 *) data->cid, data->cid_len);
+
+	wpabuf_put_be16(resp, EAP_PAX_MAC_LEN);
+	rpos = wpabuf_put(resp, EAP_PAX_MAC_LEN);
+	eap_pax_mac(req->mac_id, data->ck, EAP_PAX_CK_LEN,
+		    data->rand.r.x, EAP_PAX_RAND_LEN,
+		    data->rand.r.y, EAP_PAX_RAND_LEN,
+		    (u8 *) data->cid, data->cid_len, rpos);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: MAC_CK(A, B, CID)",
+		    rpos, EAP_PAX_MAC_LEN);
+
+	/* Optional ADE could be added here, if needed */
+
+	rpos = wpabuf_put(resp, EAP_PAX_ICV_LEN);
+	eap_pax_mac(req->mac_id, data->ick, EAP_PAX_ICK_LEN,
+		    wpabuf_head(resp), wpabuf_len(resp) - EAP_PAX_ICV_LEN,
+		    NULL, 0, NULL, 0, rpos);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: ICV", rpos, EAP_PAX_ICV_LEN);
+
+	data->state = PAX_STD_2_SENT;
+	data->mac_id = req->mac_id;
+	data->dh_group_id = req->dh_group_id;
+	data->public_key_id = req->public_key_id;
+
+	return resp;
+}
+
+
+static struct wpabuf * eap_pax_process_std_3(struct eap_pax_data *data,
+					     struct eap_method_ret *ret, u8 id,
+					     const struct eap_pax_hdr *req,
+					     size_t req_plen)
+{
+	struct wpabuf *resp;
+	u8 *rpos, mac[EAP_PAX_MAC_LEN];
+	const u8 *pos;
+	size_t left;
+
+	wpa_printf(MSG_DEBUG, "EAP-PAX: PAX_STD-3 (received)");
+
+	if (data->state != PAX_STD_2_SENT) {
+		wpa_printf(MSG_INFO, "EAP-PAX: PAX_STD-3 received in "
+			   "unexpected state (%d) - ignored", data->state);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (req->flags & EAP_PAX_FLAGS_CE) {
+		wpa_printf(MSG_INFO, "EAP-PAX: PAX_STD-3 with CE flag set - "
+			   "ignored");
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	left = req_plen - sizeof(*req);
+
+	if (left < 2 + EAP_PAX_MAC_LEN) {
+		wpa_printf(MSG_INFO, "EAP-PAX: PAX_STD-3 with too short "
+			   "payload");
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	pos = (const u8 *) (req + 1);
+	if (WPA_GET_BE16(pos) != EAP_PAX_MAC_LEN) {
+		wpa_printf(MSG_INFO, "EAP-PAX: PAX_STD-3 with incorrect "
+			   "MAC_CK length %d (expected %d)",
+			   WPA_GET_BE16(pos), EAP_PAX_MAC_LEN);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+	pos += 2;
+	left -= 2;
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: MAC_CK(B, CID)",
+		    pos, EAP_PAX_MAC_LEN);
+	eap_pax_mac(data->mac_id, data->ck, EAP_PAX_CK_LEN,
+		    data->rand.r.y, EAP_PAX_RAND_LEN,
+		    (u8 *) data->cid, data->cid_len, NULL, 0, mac);
+	if (os_memcmp(pos, mac, EAP_PAX_MAC_LEN) != 0) {
+		wpa_printf(MSG_INFO, "EAP-PAX: Invalid MAC_CK(B, CID) "
+			   "received");
+		wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: expected MAC_CK(B, CID)",
+			    mac, EAP_PAX_MAC_LEN);
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_FAIL;
+		return NULL;
+	}
+
+	pos += EAP_PAX_MAC_LEN;
+	left -= EAP_PAX_MAC_LEN;
+
+	if (left > 0) {
+		wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: ignored extra payload",
+			    pos, left);
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-PAX: PAX-ACK (sending)");
+
+	resp = eap_pax_alloc_resp(req, id, EAP_PAX_OP_ACK, EAP_PAX_ICV_LEN);
+	if (resp == NULL)
+		return NULL;
+
+	/* Optional ADE could be added here, if needed */
+
+	rpos = wpabuf_put(resp, EAP_PAX_ICV_LEN);
+	eap_pax_mac(data->mac_id, data->ick, EAP_PAX_ICK_LEN,
+		    wpabuf_head(resp), wpabuf_len(resp) - EAP_PAX_ICV_LEN,
+		    NULL, 0, NULL, 0, rpos);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: ICV", rpos, EAP_PAX_ICV_LEN);
+
+	data->state = PAX_DONE;
+	ret->methodState = METHOD_DONE;
+	ret->decision = DECISION_UNCOND_SUCC;
+	ret->allowNotifications = FALSE;
+
+	return resp;
+}
+
+
+static struct wpabuf * eap_pax_process(struct eap_sm *sm, void *priv,
+				       struct eap_method_ret *ret,
+				       const struct wpabuf *reqData)
+{
+	struct eap_pax_data *data = priv;
+	const struct eap_pax_hdr *req;
+	struct wpabuf *resp;
+	u8 icvbuf[EAP_PAX_ICV_LEN], id;
+	const u8 *icv, *pos;
+	size_t len;
+	u16 flen, mlen;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PAX, reqData, &len);
+	if (pos == NULL || len < EAP_PAX_ICV_LEN) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+	id = eap_get_id(reqData);
+	req = (const struct eap_pax_hdr *) pos;
+	flen = len - EAP_PAX_ICV_LEN;
+	mlen = wpabuf_len(reqData) - EAP_PAX_ICV_LEN;
+
+	wpa_printf(MSG_DEBUG, "EAP-PAX: received frame: op_code 0x%x "
+		   "flags 0x%x mac_id 0x%x dh_group_id 0x%x "
+		   "public_key_id 0x%x",
+		   req->op_code, req->flags, req->mac_id, req->dh_group_id,
+		   req->public_key_id);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: received payload",
+		    pos, len - EAP_PAX_ICV_LEN);
+
+	if (data->state != PAX_INIT && data->mac_id != req->mac_id) {
+		wpa_printf(MSG_INFO, "EAP-PAX: MAC ID changed during "
+			   "authentication (was 0x%d, is 0x%d)",
+			   data->mac_id, req->mac_id);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (data->state != PAX_INIT && data->dh_group_id != req->dh_group_id) {
+		wpa_printf(MSG_INFO, "EAP-PAX: DH Group ID changed during "
+			   "authentication (was 0x%d, is 0x%d)",
+			   data->dh_group_id, req->dh_group_id);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (data->state != PAX_INIT &&
+	    data->public_key_id != req->public_key_id) {
+		wpa_printf(MSG_INFO, "EAP-PAX: Public Key ID changed during "
+			   "authentication (was 0x%d, is 0x%d)",
+			   data->public_key_id, req->public_key_id);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	/* TODO: add support EAP_PAX_HMAC_SHA256_128 */
+	if (req->mac_id != EAP_PAX_MAC_HMAC_SHA1_128) {
+		wpa_printf(MSG_INFO, "EAP-PAX: Unsupported MAC ID 0x%x",
+			   req->mac_id);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (req->dh_group_id != EAP_PAX_DH_GROUP_NONE) {
+		wpa_printf(MSG_INFO, "EAP-PAX: Unsupported DH Group ID 0x%x",
+			   req->dh_group_id);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (req->public_key_id != EAP_PAX_PUBLIC_KEY_NONE) {
+		wpa_printf(MSG_INFO, "EAP-PAX: Unsupported Public Key ID 0x%x",
+			   req->public_key_id);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (req->flags & EAP_PAX_FLAGS_MF) {
+		/* TODO: add support for reassembling fragments */
+		wpa_printf(MSG_INFO, "EAP-PAX: fragmentation not supported - "
+			   "ignored packet");
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	icv = pos + len - EAP_PAX_ICV_LEN;
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: ICV", icv, EAP_PAX_ICV_LEN);
+	if (req->op_code == EAP_PAX_OP_STD_1) {
+		eap_pax_mac(req->mac_id, (u8 *) "", 0,
+			    wpabuf_head(reqData), mlen, NULL, 0, NULL, 0,
+			    icvbuf);
+	} else {
+		eap_pax_mac(req->mac_id, data->ick, EAP_PAX_ICK_LEN,
+			    wpabuf_head(reqData), mlen, NULL, 0, NULL, 0,
+			    icvbuf);
+	}
+	if (os_memcmp(icv, icvbuf, EAP_PAX_ICV_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "EAP-PAX: invalid ICV - ignoring the "
+			   "message");
+		wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: expected ICV",
+			    icvbuf, EAP_PAX_ICV_LEN);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	ret->ignore = FALSE;
+	ret->methodState = METHOD_MAY_CONT;
+	ret->decision = DECISION_FAIL;
+	ret->allowNotifications = TRUE;
+
+	switch (req->op_code) {
+	case EAP_PAX_OP_STD_1:
+		resp = eap_pax_process_std_1(data, ret, id, req, flen);
+		break;
+	case EAP_PAX_OP_STD_3:
+		resp = eap_pax_process_std_3(data, ret, id, req, flen);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-PAX: ignoring message with unknown "
+			   "op_code %d", req->op_code);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (ret->methodState == METHOD_DONE) {
+		ret->allowNotifications = FALSE;
+	}
+
+	return resp;
+}
+
+
+static Boolean eap_pax_isKeyAvailable(struct eap_sm *sm, void *priv)
+{
+	struct eap_pax_data *data = priv;
+	return data->state == PAX_DONE;
+}
+
+
+static u8 * eap_pax_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_pax_data *data = priv;
+	u8 *key;
+
+	if (data->state != PAX_DONE)
+		return NULL;
+
+	key = os_malloc(EAP_MSK_LEN);
+	if (key == NULL)
+		return NULL;
+
+	*len = EAP_MSK_LEN;
+	eap_pax_kdf(data->mac_id, data->mk, EAP_PAX_MK_LEN,
+		    "Master Session Key", data->rand.e, 2 * EAP_PAX_RAND_LEN,
+		    EAP_MSK_LEN, key);
+
+	return key;
+}
+
+
+static u8 * eap_pax_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_pax_data *data = priv;
+	u8 *key;
+
+	if (data->state != PAX_DONE)
+		return NULL;
+
+	key = os_malloc(EAP_EMSK_LEN);
+	if (key == NULL)
+		return NULL;
+
+	*len = EAP_EMSK_LEN;
+	eap_pax_kdf(data->mac_id, data->mk, EAP_PAX_MK_LEN,
+		    "Extended Master Session Key",
+		    data->rand.e, 2 * EAP_PAX_RAND_LEN,
+		    EAP_EMSK_LEN, key);
+
+	return key;
+}
+
+
+int eap_peer_pax_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_IETF, EAP_TYPE_PAX, "PAX");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_pax_init;
+	eap->deinit = eap_pax_deinit;
+	eap->process = eap_pax_process;
+	eap->isKeyAvailable = eap_pax_isKeyAvailable;
+	eap->getKey = eap_pax_getKey;
+	eap->get_emsk = eap_pax_get_emsk;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_peer/eap_peap.c b/src/eap_peer/eap_peap.c
new file mode 100644
index 0000000..2b72084
--- /dev/null
+++ b/src/eap_peer/eap_peap.c
@@ -0,0 +1,1288 @@
+/*
+ * EAP peer method: EAP-PEAP (draft-josefsson-pppext-eap-tls-eap-10.txt)
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/sha1.h"
+#include "crypto/tls.h"
+#include "eap_common/eap_tlv_common.h"
+#include "eap_common/eap_peap_common.h"
+#include "eap_i.h"
+#include "eap_tls_common.h"
+#include "eap_config.h"
+#include "tncc.h"
+
+
+/* Maximum supported PEAP version
+ * 0 = Microsoft's PEAP version 0; draft-kamath-pppext-peapv0-00.txt
+ * 1 = draft-josefsson-ppext-eap-tls-eap-05.txt
+ * 2 = draft-josefsson-ppext-eap-tls-eap-10.txt
+ */
+#define EAP_PEAP_VERSION 1
+
+
+static void eap_peap_deinit(struct eap_sm *sm, void *priv);
+
+
+struct eap_peap_data {
+	struct eap_ssl_data ssl;
+
+	int peap_version, force_peap_version, force_new_label;
+
+	const struct eap_method *phase2_method;
+	void *phase2_priv;
+	int phase2_success;
+	int phase2_eap_success;
+	int phase2_eap_started;
+
+	struct eap_method_type phase2_type;
+	struct eap_method_type *phase2_types;
+	size_t num_phase2_types;
+
+	int peap_outer_success; /* 0 = PEAP terminated on Phase 2 inner
+				 * EAP-Success
+				 * 1 = reply with tunneled EAP-Success to inner
+				 * EAP-Success and expect AS to send outer
+				 * (unencrypted) EAP-Success after this
+				 * 2 = reply with PEAP/TLS ACK to inner
+				 * EAP-Success and expect AS to send outer
+				 * (unencrypted) EAP-Success after this */
+	int resuming; /* starting a resumed session */
+	int reauth; /* reauthentication */
+	u8 *key_data;
+
+	struct wpabuf *pending_phase2_req;
+	enum { NO_BINDING, OPTIONAL_BINDING, REQUIRE_BINDING } crypto_binding;
+	int crypto_binding_used;
+	u8 binding_nonce[32];
+	u8 ipmk[40];
+	u8 cmk[20];
+	int soh; /* Whether IF-TNCCS-SOH (Statement of Health; Microsoft NAP)
+		  * is enabled. */
+};
+
+
+static int eap_peap_parse_phase1(struct eap_peap_data *data,
+				 const char *phase1)
+{
+	const char *pos;
+
+	pos = os_strstr(phase1, "peapver=");
+	if (pos) {
+		data->force_peap_version = atoi(pos + 8);
+		data->peap_version = data->force_peap_version;
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Forced PEAP version %d",
+			   data->force_peap_version);
+	}
+
+	if (os_strstr(phase1, "peaplabel=1")) {
+		data->force_new_label = 1;
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Force new label for key "
+			   "derivation");
+	}
+
+	if (os_strstr(phase1, "peap_outer_success=0")) {
+		data->peap_outer_success = 0;
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: terminate authentication on "
+			   "tunneled EAP-Success");
+	} else if (os_strstr(phase1, "peap_outer_success=1")) {
+		data->peap_outer_success = 1;
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: send tunneled EAP-Success "
+			   "after receiving tunneled EAP-Success");
+	} else if (os_strstr(phase1, "peap_outer_success=2")) {
+		data->peap_outer_success = 2;
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: send PEAP/TLS ACK after "
+			   "receiving tunneled EAP-Success");
+	}
+
+	if (os_strstr(phase1, "crypto_binding=0")) {
+		data->crypto_binding = NO_BINDING;
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Do not use cryptobinding");
+	} else if (os_strstr(phase1, "crypto_binding=1")) {
+		data->crypto_binding = OPTIONAL_BINDING;
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Optional cryptobinding");
+	} else if (os_strstr(phase1, "crypto_binding=2")) {
+		data->crypto_binding = REQUIRE_BINDING;
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Require cryptobinding");
+	}
+
+#ifdef EAP_TNC
+	if (os_strstr(phase1, "tnc=soh2")) {
+		data->soh = 2;
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: SoH version 2 enabled");
+	} else if (os_strstr(phase1, "tnc=soh1")) {
+		data->soh = 1;
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: SoH version 1 enabled");
+	} else if (os_strstr(phase1, "tnc=soh")) {
+		data->soh = 2;
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: SoH version 2 enabled");
+	}
+#endif /* EAP_TNC */
+
+	return 0;
+}
+
+
+static void * eap_peap_init(struct eap_sm *sm)
+{
+	struct eap_peap_data *data;
+	struct eap_peer_config *config = eap_get_config(sm);
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	sm->peap_done = FALSE;
+	data->peap_version = EAP_PEAP_VERSION;
+	data->force_peap_version = -1;
+	data->peap_outer_success = 2;
+	data->crypto_binding = OPTIONAL_BINDING;
+
+	if (config && config->phase1 &&
+	    eap_peap_parse_phase1(data, config->phase1) < 0) {
+		eap_peap_deinit(sm, data);
+		return NULL;
+	}
+
+	if (eap_peer_select_phase2_methods(config, "auth=",
+					   &data->phase2_types,
+					   &data->num_phase2_types) < 0) {
+		eap_peap_deinit(sm, data);
+		return NULL;
+	}
+
+	data->phase2_type.vendor = EAP_VENDOR_IETF;
+	data->phase2_type.method = EAP_TYPE_NONE;
+
+	if (eap_peer_tls_ssl_init(sm, &data->ssl, config)) {
+		wpa_printf(MSG_INFO, "EAP-PEAP: Failed to initialize SSL.");
+		eap_peap_deinit(sm, data);
+		return NULL;
+	}
+
+	return data;
+}
+
+
+static void eap_peap_deinit(struct eap_sm *sm, void *priv)
+{
+	struct eap_peap_data *data = priv;
+	if (data == NULL)
+		return;
+	if (data->phase2_priv && data->phase2_method)
+		data->phase2_method->deinit(sm, data->phase2_priv);
+	os_free(data->phase2_types);
+	eap_peer_tls_ssl_deinit(sm, &data->ssl);
+	os_free(data->key_data);
+	wpabuf_free(data->pending_phase2_req);
+	os_free(data);
+}
+
+
+/**
+ * eap_tlv_build_nak - Build EAP-TLV NAK message
+ * @id: EAP identifier for the header
+ * @nak_type: TLV type (EAP_TLV_*)
+ * Returns: Buffer to the allocated EAP-TLV NAK message or %NULL on failure
+ *
+ * This funtion builds an EAP-TLV NAK message. The caller is responsible for
+ * freeing the returned buffer.
+ */
+static struct wpabuf * eap_tlv_build_nak(int id, u16 nak_type)
+{
+	struct wpabuf *msg;
+
+	msg = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_TLV, 10,
+			    EAP_CODE_RESPONSE, id);
+	if (msg == NULL)
+		return NULL;
+
+	wpabuf_put_u8(msg, 0x80); /* Mandatory */
+	wpabuf_put_u8(msg, EAP_TLV_NAK_TLV);
+	wpabuf_put_be16(msg, 6); /* Length */
+	wpabuf_put_be32(msg, 0); /* Vendor-Id */
+	wpabuf_put_be16(msg, nak_type); /* NAK-Type */
+
+	return msg;
+}
+
+
+static int eap_peap_get_isk(struct eap_sm *sm, struct eap_peap_data *data,
+			    u8 *isk, size_t isk_len)
+{
+	u8 *key;
+	size_t key_len;
+
+	os_memset(isk, 0, isk_len);
+	if (data->phase2_method == NULL || data->phase2_priv == NULL ||
+	    data->phase2_method->isKeyAvailable == NULL ||
+	    data->phase2_method->getKey == NULL)
+		return 0;
+
+	if (!data->phase2_method->isKeyAvailable(sm, data->phase2_priv) ||
+	    (key = data->phase2_method->getKey(sm, data->phase2_priv,
+					       &key_len)) == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Could not get key material "
+			   "from Phase 2");
+		return -1;
+	}
+
+	if (key_len > isk_len)
+		key_len = isk_len;
+	os_memcpy(isk, key, key_len);
+	os_free(key);
+
+	return 0;
+}
+
+
+static int eap_peap_derive_cmk(struct eap_sm *sm, struct eap_peap_data *data)
+{
+	u8 *tk;
+	u8 isk[32], imck[60];
+
+	/*
+	 * Tunnel key (TK) is the first 60 octets of the key generated by
+	 * phase 1 of PEAP (based on TLS).
+	 */
+	tk = data->key_data;
+	if (tk == NULL)
+		return -1;
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: TK", tk, 60);
+
+	if (data->reauth &&
+	    tls_connection_resumed(sm->ssl_ctx, data->ssl.conn)) {
+		/* Fast-connect: IPMK|CMK = TK */
+		os_memcpy(data->ipmk, tk, 40);
+		wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: IPMK from TK",
+				data->ipmk, 40);
+		os_memcpy(data->cmk, tk + 40, 20);
+		wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: CMK from TK",
+				data->cmk, 20);
+		return 0;
+	}
+
+	if (eap_peap_get_isk(sm, data, isk, sizeof(isk)) < 0)
+		return -1;
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: ISK", isk, sizeof(isk));
+
+	/*
+	 * IPMK Seed = "Inner Methods Compound Keys" | ISK
+	 * TempKey = First 40 octets of TK
+	 * IPMK|CMK = PRF+(TempKey, IPMK Seed, 60)
+	 * (note: draft-josefsson-pppext-eap-tls-eap-10.txt includes a space
+	 * in the end of the label just before ISK; is that just a typo?)
+	 */
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: TempKey", tk, 40);
+	peap_prfplus(data->peap_version, tk, 40, "Inner Methods Compound Keys",
+		     isk, sizeof(isk), imck, sizeof(imck));
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: IMCK (IPMKj)",
+			imck, sizeof(imck));
+
+	os_memcpy(data->ipmk, imck, 40);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: IPMK (S-IPMKj)", data->ipmk, 40);
+	os_memcpy(data->cmk, imck + 40, 20);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: CMK (CMKj)", data->cmk, 20);
+
+	return 0;
+}
+
+
+static int eap_tlv_add_cryptobinding(struct eap_sm *sm,
+				     struct eap_peap_data *data,
+				     struct wpabuf *buf)
+{
+	u8 *mac;
+	u8 eap_type = EAP_TYPE_PEAP;
+	const u8 *addr[2];
+	size_t len[2];
+	u16 tlv_type;
+
+	/* Compound_MAC: HMAC-SHA1-160(cryptobinding TLV | EAP type) */
+	addr[0] = wpabuf_put(buf, 0);
+	len[0] = 60;
+	addr[1] = &eap_type;
+	len[1] = 1;
+
+	tlv_type = EAP_TLV_CRYPTO_BINDING_TLV;
+	if (data->peap_version >= 2)
+		tlv_type |= EAP_TLV_TYPE_MANDATORY;
+	wpabuf_put_be16(buf, tlv_type);
+	wpabuf_put_be16(buf, 56);
+
+	wpabuf_put_u8(buf, 0); /* Reserved */
+	wpabuf_put_u8(buf, data->peap_version); /* Version */
+	wpabuf_put_u8(buf, data->peap_version); /* RecvVersion */
+	wpabuf_put_u8(buf, 1); /* SubType: 0 = Request, 1 = Response */
+	wpabuf_put_data(buf, data->binding_nonce, 32); /* Nonce */
+	mac = wpabuf_put(buf, 20); /* Compound_MAC */
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PEAP: Compound_MAC CMK", data->cmk, 20);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PEAP: Compound_MAC data 1",
+		    addr[0], len[0]);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PEAP: Compound_MAC data 2",
+		    addr[1], len[1]);
+	hmac_sha1_vector(data->cmk, 20, 2, addr, len, mac);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PEAP: Compound_MAC", mac, SHA1_MAC_LEN);
+	data->crypto_binding_used = 1;
+
+	return 0;
+}
+
+
+/**
+ * eap_tlv_build_result - Build EAP-TLV Result message
+ * @id: EAP identifier for the header
+ * @status: Status (EAP_TLV_RESULT_SUCCESS or EAP_TLV_RESULT_FAILURE)
+ * Returns: Buffer to the allocated EAP-TLV Result message or %NULL on failure
+ *
+ * This funtion builds an EAP-TLV Result message. The caller is responsible for
+ * freeing the returned buffer.
+ */
+static struct wpabuf * eap_tlv_build_result(struct eap_sm *sm,
+					    struct eap_peap_data *data,
+					    int crypto_tlv_used,
+					    int id, u16 status)
+{
+	struct wpabuf *msg;
+	size_t len;
+
+	if (data->crypto_binding == NO_BINDING)
+		crypto_tlv_used = 0;
+
+	len = 6;
+	if (crypto_tlv_used)
+		len += 60; /* Cryptobinding TLV */
+	msg = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_TLV, len,
+			    EAP_CODE_RESPONSE, id);
+	if (msg == NULL)
+		return NULL;
+
+	wpabuf_put_u8(msg, 0x80); /* Mandatory */
+	wpabuf_put_u8(msg, EAP_TLV_RESULT_TLV);
+	wpabuf_put_be16(msg, 2); /* Length */
+	wpabuf_put_be16(msg, status); /* Status */
+
+	if (crypto_tlv_used && eap_tlv_add_cryptobinding(sm, data, msg)) {
+		wpabuf_free(msg);
+		return NULL;
+	}
+
+	return msg;
+}
+
+
+static int eap_tlv_validate_cryptobinding(struct eap_sm *sm,
+					  struct eap_peap_data *data,
+					  const u8 *crypto_tlv,
+					  size_t crypto_tlv_len)
+{
+	u8 buf[61], mac[SHA1_MAC_LEN];
+	const u8 *pos;
+
+	if (eap_peap_derive_cmk(sm, data) < 0) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Could not derive CMK");
+		return -1;
+	}
+
+	if (crypto_tlv_len != 4 + 56) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Invalid cryptobinding TLV "
+			   "length %d", (int) crypto_tlv_len);
+		return -1;
+	}
+
+	pos = crypto_tlv;
+	pos += 4; /* TLV header */
+	if (pos[1] != data->peap_version) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Cryptobinding TLV Version "
+			   "mismatch (was %d; expected %d)",
+			   pos[1], data->peap_version);
+		return -1;
+	}
+
+	if (pos[3] != 0) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Unexpected Cryptobinding TLV "
+			   "SubType %d", pos[3]);
+		return -1;
+	}
+	pos += 4;
+	os_memcpy(data->binding_nonce, pos, 32);
+	pos += 32; /* Nonce */
+
+	/* Compound_MAC: HMAC-SHA1-160(cryptobinding TLV | EAP type) */
+	os_memcpy(buf, crypto_tlv, 60);
+	os_memset(buf + 4 + 4 + 32, 0, 20); /* Compound_MAC */
+	buf[60] = EAP_TYPE_PEAP;
+	wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Compound_MAC data",
+		    buf, sizeof(buf));
+	hmac_sha1(data->cmk, 20, buf, sizeof(buf), mac);
+
+	if (os_memcmp(mac, pos, SHA1_MAC_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Invalid Compound_MAC in "
+			   "cryptobinding TLV");
+		wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Received MAC",
+			    pos, SHA1_MAC_LEN);
+		wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Expected MAC",
+			    mac, SHA1_MAC_LEN);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-PEAP: Valid cryptobinding TLV received");
+
+	return 0;
+}
+
+
+/**
+ * eap_tlv_process - Process a received EAP-TLV message and generate a response
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @ret: Return values from EAP request validation and processing
+ * @req: EAP-TLV request to be processed. The caller must have validated that
+ * the buffer is large enough to contain full request (hdr->length bytes) and
+ * that the EAP type is EAP_TYPE_TLV.
+ * @resp: Buffer to return a pointer to the allocated response message. This
+ * field should be initialized to %NULL before the call. The value will be
+ * updated if a response message is generated. The caller is responsible for
+ * freeing the allocated message.
+ * @force_failure: Force negotiation to fail
+ * Returns: 0 on success, -1 on failure
+ */
+static int eap_tlv_process(struct eap_sm *sm, struct eap_peap_data *data,
+			   struct eap_method_ret *ret,
+			   const struct wpabuf *req, struct wpabuf **resp,
+			   int force_failure)
+{
+	size_t left, tlv_len;
+	const u8 *pos;
+	const u8 *result_tlv = NULL, *crypto_tlv = NULL;
+	size_t result_tlv_len = 0, crypto_tlv_len = 0;
+	int tlv_type, mandatory;
+
+	/* Parse TLVs */
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_TLV, req, &left);
+	if (pos == NULL)
+		return -1;
+	wpa_hexdump(MSG_DEBUG, "EAP-TLV: Received TLVs", pos, left);
+	while (left >= 4) {
+		mandatory = !!(pos[0] & 0x80);
+		tlv_type = WPA_GET_BE16(pos) & 0x3fff;
+		pos += 2;
+		tlv_len = WPA_GET_BE16(pos);
+		pos += 2;
+		left -= 4;
+		if (tlv_len > left) {
+			wpa_printf(MSG_DEBUG, "EAP-TLV: TLV underrun "
+				   "(tlv_len=%lu left=%lu)",
+				   (unsigned long) tlv_len,
+				   (unsigned long) left);
+			return -1;
+		}
+		switch (tlv_type) {
+		case EAP_TLV_RESULT_TLV:
+			result_tlv = pos;
+			result_tlv_len = tlv_len;
+			break;
+		case EAP_TLV_CRYPTO_BINDING_TLV:
+			crypto_tlv = pos;
+			crypto_tlv_len = tlv_len;
+			break;
+		default:
+			wpa_printf(MSG_DEBUG, "EAP-TLV: Unsupported TLV Type "
+				   "%d%s", tlv_type,
+				   mandatory ? " (mandatory)" : "");
+			if (mandatory) {
+				/* NAK TLV and ignore all TLVs in this packet.
+				 */
+				*resp = eap_tlv_build_nak(eap_get_id(req),
+							  tlv_type);
+				return *resp == NULL ? -1 : 0;
+			}
+			/* Ignore this TLV, but process other TLVs */
+			break;
+		}
+
+		pos += tlv_len;
+		left -= tlv_len;
+	}
+	if (left) {
+		wpa_printf(MSG_DEBUG, "EAP-TLV: Last TLV too short in "
+			   "Request (left=%lu)", (unsigned long) left);
+		return -1;
+	}
+
+	/* Process supported TLVs */
+	if (crypto_tlv && data->crypto_binding != NO_BINDING) {
+		wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Cryptobinding TLV",
+			    crypto_tlv, crypto_tlv_len);
+		if (eap_tlv_validate_cryptobinding(sm, data, crypto_tlv - 4,
+						   crypto_tlv_len + 4) < 0) {
+			if (result_tlv == NULL)
+				return -1;
+			force_failure = 1;
+			crypto_tlv = NULL; /* do not include Cryptobinding TLV
+					    * in response, if the received
+					    * cryptobinding was invalid. */
+		}
+	} else if (!crypto_tlv && data->crypto_binding == REQUIRE_BINDING) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: No cryptobinding TLV");
+		return -1;
+	}
+
+	if (result_tlv) {
+		int status, resp_status;
+		wpa_hexdump(MSG_DEBUG, "EAP-TLV: Result TLV",
+			    result_tlv, result_tlv_len);
+		if (result_tlv_len < 2) {
+			wpa_printf(MSG_INFO, "EAP-TLV: Too short Result TLV "
+				   "(len=%lu)",
+				   (unsigned long) result_tlv_len);
+			return -1;
+		}
+		status = WPA_GET_BE16(result_tlv);
+		if (status == EAP_TLV_RESULT_SUCCESS) {
+			wpa_printf(MSG_INFO, "EAP-TLV: TLV Result - Success "
+				   "- EAP-TLV/Phase2 Completed");
+			if (force_failure) {
+				wpa_printf(MSG_INFO, "EAP-TLV: Earlier failure"
+					   " - force failed Phase 2");
+				resp_status = EAP_TLV_RESULT_FAILURE;
+				ret->decision = DECISION_FAIL;
+			} else {
+				resp_status = EAP_TLV_RESULT_SUCCESS;
+				ret->decision = DECISION_UNCOND_SUCC;
+			}
+		} else if (status == EAP_TLV_RESULT_FAILURE) {
+			wpa_printf(MSG_INFO, "EAP-TLV: TLV Result - Failure");
+			resp_status = EAP_TLV_RESULT_FAILURE;
+			ret->decision = DECISION_FAIL;
+		} else {
+			wpa_printf(MSG_INFO, "EAP-TLV: Unknown TLV Result "
+				   "Status %d", status);
+			resp_status = EAP_TLV_RESULT_FAILURE;
+			ret->decision = DECISION_FAIL;
+		}
+		ret->methodState = METHOD_DONE;
+
+		*resp = eap_tlv_build_result(sm, data, crypto_tlv != NULL,
+					     eap_get_id(req), resp_status);
+	}
+
+	return 0;
+}
+
+
+static struct wpabuf * eap_peapv2_tlv_eap_payload(struct wpabuf *buf)
+{
+	struct wpabuf *e;
+	struct eap_tlv_hdr *tlv;
+
+	if (buf == NULL)
+		return NULL;
+
+	/* Encapsulate EAP packet in EAP-Payload TLV */
+	wpa_printf(MSG_DEBUG, "EAP-PEAPv2: Add EAP-Payload TLV");
+	e = wpabuf_alloc(sizeof(*tlv) + wpabuf_len(buf));
+	if (e == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAPv2: Failed to allocate memory "
+			   "for TLV encapsulation");
+		wpabuf_free(buf);
+		return NULL;
+	}
+	tlv = wpabuf_put(e, sizeof(*tlv));
+	tlv->tlv_type = host_to_be16(EAP_TLV_TYPE_MANDATORY |
+				     EAP_TLV_EAP_PAYLOAD_TLV);
+	tlv->length = host_to_be16(wpabuf_len(buf));
+	wpabuf_put_buf(e, buf);
+	wpabuf_free(buf);
+	return e;
+}
+
+
+static int eap_peap_phase2_request(struct eap_sm *sm,
+				   struct eap_peap_data *data,
+				   struct eap_method_ret *ret,
+				   struct wpabuf *req,
+				   struct wpabuf **resp)
+{
+	struct eap_hdr *hdr = wpabuf_mhead(req);
+	size_t len = be_to_host16(hdr->length);
+	u8 *pos;
+	struct eap_method_ret iret;
+	struct eap_peer_config *config = eap_get_config(sm);
+
+	if (len <= sizeof(struct eap_hdr)) {
+		wpa_printf(MSG_INFO, "EAP-PEAP: too short "
+			   "Phase 2 request (len=%lu)", (unsigned long) len);
+		return -1;
+	}
+	pos = (u8 *) (hdr + 1);
+	wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase 2 Request: type=%d", *pos);
+	switch (*pos) {
+	case EAP_TYPE_IDENTITY:
+		*resp = eap_sm_buildIdentity(sm, hdr->identifier, 1);
+		break;
+	case EAP_TYPE_TLV:
+		os_memset(&iret, 0, sizeof(iret));
+		if (eap_tlv_process(sm, data, &iret, req, resp,
+				    data->phase2_eap_started &&
+				    !data->phase2_eap_success)) {
+			ret->methodState = METHOD_DONE;
+			ret->decision = DECISION_FAIL;
+			return -1;
+		}
+		if (iret.methodState == METHOD_DONE ||
+		    iret.methodState == METHOD_MAY_CONT) {
+			ret->methodState = iret.methodState;
+			ret->decision = iret.decision;
+			data->phase2_success = 1;
+		}
+		break;
+	case EAP_TYPE_EXPANDED:
+#ifdef EAP_TNC
+		if (data->soh) {
+			const u8 *epos;
+			size_t eleft;
+
+			epos = eap_hdr_validate(EAP_VENDOR_MICROSOFT, 0x21,
+						req, &eleft);
+			if (epos) {
+				struct wpabuf *buf;
+				wpa_printf(MSG_DEBUG,
+					   "EAP-PEAP: SoH EAP Extensions");
+				buf = tncc_process_soh_request(data->soh,
+							       epos, eleft);
+				if (buf) {
+					*resp = eap_msg_alloc(
+						EAP_VENDOR_MICROSOFT, 0x21,
+						wpabuf_len(buf),
+						EAP_CODE_RESPONSE,
+						hdr->identifier);
+					if (*resp == NULL) {
+						ret->methodState = METHOD_DONE;
+						ret->decision = DECISION_FAIL;
+						return -1;
+					}
+					wpabuf_put_buf(*resp, buf);
+					wpabuf_free(buf);
+					break;
+				}
+			}
+		}
+#endif /* EAP_TNC */
+		/* fall through */
+	default:
+		if (data->phase2_type.vendor == EAP_VENDOR_IETF &&
+		    data->phase2_type.method == EAP_TYPE_NONE) {
+			size_t i;
+			for (i = 0; i < data->num_phase2_types; i++) {
+				if (data->phase2_types[i].vendor !=
+				    EAP_VENDOR_IETF ||
+				    data->phase2_types[i].method != *pos)
+					continue;
+
+				data->phase2_type.vendor =
+					data->phase2_types[i].vendor;
+				data->phase2_type.method =
+					data->phase2_types[i].method;
+				wpa_printf(MSG_DEBUG, "EAP-PEAP: Selected "
+					   "Phase 2 EAP vendor %d method %d",
+					   data->phase2_type.vendor,
+					   data->phase2_type.method);
+				break;
+			}
+		}
+		if (*pos != data->phase2_type.method ||
+		    *pos == EAP_TYPE_NONE) {
+			if (eap_peer_tls_phase2_nak(data->phase2_types,
+						    data->num_phase2_types,
+						    hdr, resp))
+				return -1;
+			return 0;
+		}
+
+		if (data->phase2_priv == NULL) {
+			data->phase2_method = eap_peer_get_eap_method(
+				data->phase2_type.vendor,
+				data->phase2_type.method);
+			if (data->phase2_method) {
+				sm->init_phase2 = 1;
+				data->phase2_priv =
+					data->phase2_method->init(sm);
+				sm->init_phase2 = 0;
+			}
+		}
+		if (data->phase2_priv == NULL || data->phase2_method == NULL) {
+			wpa_printf(MSG_INFO, "EAP-PEAP: failed to initialize "
+				   "Phase 2 EAP method %d", *pos);
+			ret->methodState = METHOD_DONE;
+			ret->decision = DECISION_FAIL;
+			return -1;
+		}
+		data->phase2_eap_started = 1;
+		os_memset(&iret, 0, sizeof(iret));
+		*resp = data->phase2_method->process(sm, data->phase2_priv,
+						     &iret, req);
+		if ((iret.methodState == METHOD_DONE ||
+		     iret.methodState == METHOD_MAY_CONT) &&
+		    (iret.decision == DECISION_UNCOND_SUCC ||
+		     iret.decision == DECISION_COND_SUCC)) {
+			data->phase2_eap_success = 1;
+			data->phase2_success = 1;
+		}
+		break;
+	}
+
+	if (*resp == NULL &&
+	    (config->pending_req_identity || config->pending_req_password ||
+	     config->pending_req_otp || config->pending_req_new_password)) {
+		wpabuf_free(data->pending_phase2_req);
+		data->pending_phase2_req = wpabuf_alloc_copy(hdr, len);
+	}
+
+	return 0;
+}
+
+
+static int eap_peap_decrypt(struct eap_sm *sm, struct eap_peap_data *data,
+			    struct eap_method_ret *ret,
+			    const struct eap_hdr *req,
+			    const struct wpabuf *in_data,
+			    struct wpabuf **out_data)
+{
+	struct wpabuf *in_decrypted = NULL;
+	int res, skip_change = 0;
+	struct eap_hdr *hdr, *rhdr;
+	struct wpabuf *resp = NULL;
+	size_t len;
+
+	wpa_printf(MSG_DEBUG, "EAP-PEAP: received %lu bytes encrypted data for"
+		   " Phase 2", (unsigned long) wpabuf_len(in_data));
+
+	if (data->pending_phase2_req) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Pending Phase 2 request - "
+			   "skip decryption and use old data");
+		/* Clear TLS reassembly state. */
+		eap_peer_tls_reset_input(&data->ssl);
+		in_decrypted = data->pending_phase2_req;
+		data->pending_phase2_req = NULL;
+		skip_change = 1;
+		goto continue_req;
+	}
+
+	if (wpabuf_len(in_data) == 0 && sm->workaround &&
+	    data->phase2_success) {
+		/*
+		 * Cisco ACS seems to be using TLS ACK to terminate
+		 * EAP-PEAPv0/GTC. Try to reply with TLS ACK.
+		 */
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Received TLS ACK, but "
+			   "expected data - acknowledge with TLS ACK since "
+			   "Phase 2 has been completed");
+		ret->decision = DECISION_COND_SUCC;
+		ret->methodState = METHOD_DONE;
+		return 1;
+	} else if (wpabuf_len(in_data) == 0) {
+		/* Received TLS ACK - requesting more fragments */
+		return eap_peer_tls_encrypt(sm, &data->ssl, EAP_TYPE_PEAP,
+					    data->peap_version,
+					    req->identifier, NULL, out_data);
+	}
+
+	res = eap_peer_tls_decrypt(sm, &data->ssl, in_data, &in_decrypted);
+	if (res)
+		return res;
+
+continue_req:
+	wpa_hexdump_buf(MSG_DEBUG, "EAP-PEAP: Decrypted Phase 2 EAP",
+			in_decrypted);
+
+	hdr = wpabuf_mhead(in_decrypted);
+	if (wpabuf_len(in_decrypted) == 5 && hdr->code == EAP_CODE_REQUEST &&
+	    be_to_host16(hdr->length) == 5 &&
+	    eap_get_type(in_decrypted) == EAP_TYPE_IDENTITY) {
+		/* At least FreeRADIUS seems to send full EAP header with
+		 * EAP Request Identity */
+		skip_change = 1;
+	}
+	if (wpabuf_len(in_decrypted) >= 5 && hdr->code == EAP_CODE_REQUEST &&
+	    eap_get_type(in_decrypted) == EAP_TYPE_TLV) {
+		skip_change = 1;
+	}
+
+	if (data->peap_version == 0 && !skip_change) {
+		struct eap_hdr *nhdr;
+		struct wpabuf *nmsg = wpabuf_alloc(sizeof(struct eap_hdr) +
+						   wpabuf_len(in_decrypted));
+		if (nmsg == NULL) {
+			wpabuf_free(in_decrypted);
+			return 0;
+		}
+		nhdr = wpabuf_put(nmsg, sizeof(*nhdr));
+		wpabuf_put_buf(nmsg, in_decrypted);
+		nhdr->code = req->code;
+		nhdr->identifier = req->identifier;
+		nhdr->length = host_to_be16(sizeof(struct eap_hdr) +
+					    wpabuf_len(in_decrypted));
+
+		wpabuf_free(in_decrypted);
+		in_decrypted = nmsg;
+	}
+
+	if (data->peap_version >= 2) {
+		struct eap_tlv_hdr *tlv;
+		struct wpabuf *nmsg;
+
+		if (wpabuf_len(in_decrypted) < sizeof(*tlv) + sizeof(*hdr)) {
+			wpa_printf(MSG_INFO, "EAP-PEAPv2: Too short Phase 2 "
+				   "EAP TLV");
+			wpabuf_free(in_decrypted);
+			return 0;
+		}
+		tlv = wpabuf_mhead(in_decrypted);
+		if ((be_to_host16(tlv->tlv_type) & 0x3fff) !=
+		    EAP_TLV_EAP_PAYLOAD_TLV) {
+			wpa_printf(MSG_INFO, "EAP-PEAPv2: Not an EAP TLV");
+			wpabuf_free(in_decrypted);
+			return 0;
+		}
+		if (sizeof(*tlv) + be_to_host16(tlv->length) >
+		    wpabuf_len(in_decrypted)) {
+			wpa_printf(MSG_INFO, "EAP-PEAPv2: Invalid EAP TLV "
+				   "length");
+			wpabuf_free(in_decrypted);
+			return 0;
+		}
+		hdr = (struct eap_hdr *) (tlv + 1);
+		if (be_to_host16(hdr->length) > be_to_host16(tlv->length)) {
+			wpa_printf(MSG_INFO, "EAP-PEAPv2: No room for full "
+				   "EAP packet in EAP TLV");
+			wpabuf_free(in_decrypted);
+			return 0;
+		}
+
+		nmsg = wpabuf_alloc(be_to_host16(hdr->length));
+		if (nmsg == NULL) {
+			wpabuf_free(in_decrypted);
+			return 0;
+		}
+
+		wpabuf_put_data(nmsg, hdr, be_to_host16(hdr->length));
+		wpabuf_free(in_decrypted);
+		in_decrypted = nmsg;
+	}
+
+	hdr = wpabuf_mhead(in_decrypted);
+	if (wpabuf_len(in_decrypted) < sizeof(*hdr)) {
+		wpa_printf(MSG_INFO, "EAP-PEAP: Too short Phase 2 "
+			   "EAP frame (len=%lu)",
+			   (unsigned long) wpabuf_len(in_decrypted));
+		wpabuf_free(in_decrypted);
+		return 0;
+	}
+	len = be_to_host16(hdr->length);
+	if (len > wpabuf_len(in_decrypted)) {
+		wpa_printf(MSG_INFO, "EAP-PEAP: Length mismatch in "
+			   "Phase 2 EAP frame (len=%lu hdr->length=%lu)",
+			   (unsigned long) wpabuf_len(in_decrypted),
+			   (unsigned long) len);
+		wpabuf_free(in_decrypted);
+		return 0;
+	}
+	if (len < wpabuf_len(in_decrypted)) {
+		wpa_printf(MSG_INFO, "EAP-PEAP: Odd.. Phase 2 EAP header has "
+			   "shorter length than full decrypted data "
+			   "(%lu < %lu)",
+			   (unsigned long) len,
+			   (unsigned long) wpabuf_len(in_decrypted));
+	}
+	wpa_printf(MSG_DEBUG, "EAP-PEAP: received Phase 2: code=%d "
+		   "identifier=%d length=%lu", hdr->code, hdr->identifier,
+		   (unsigned long) len);
+	switch (hdr->code) {
+	case EAP_CODE_REQUEST:
+		if (eap_peap_phase2_request(sm, data, ret, in_decrypted,
+					    &resp)) {
+			wpabuf_free(in_decrypted);
+			wpa_printf(MSG_INFO, "EAP-PEAP: Phase2 Request "
+				   "processing failed");
+			return 0;
+		}
+		break;
+	case EAP_CODE_SUCCESS:
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase 2 Success");
+		if (data->peap_version == 1) {
+			/* EAP-Success within TLS tunnel is used to indicate
+			 * shutdown of the TLS channel. The authentication has
+			 * been completed. */
+			if (data->phase2_eap_started &&
+			    !data->phase2_eap_success) {
+				wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase 2 "
+					   "Success used to indicate success, "
+					   "but Phase 2 EAP was not yet "
+					   "completed successfully");
+				ret->methodState = METHOD_DONE;
+				ret->decision = DECISION_FAIL;
+				wpabuf_free(in_decrypted);
+				return 0;
+			}
+			wpa_printf(MSG_DEBUG, "EAP-PEAP: Version 1 - "
+				   "EAP-Success within TLS tunnel - "
+				   "authentication completed");
+			ret->decision = DECISION_UNCOND_SUCC;
+			ret->methodState = METHOD_DONE;
+			data->phase2_success = 1;
+			if (data->peap_outer_success == 2) {
+				wpabuf_free(in_decrypted);
+				wpa_printf(MSG_DEBUG, "EAP-PEAP: Use TLS ACK "
+					   "to finish authentication");
+				return 1;
+			} else if (data->peap_outer_success == 1) {
+				/* Reply with EAP-Success within the TLS
+				 * channel to complete the authentication. */
+				resp = wpabuf_alloc(sizeof(struct eap_hdr));
+				if (resp) {
+					rhdr = wpabuf_put(resp, sizeof(*rhdr));
+					rhdr->code = EAP_CODE_SUCCESS;
+					rhdr->identifier = hdr->identifier;
+					rhdr->length =
+						host_to_be16(sizeof(*rhdr));
+				}
+			} else {
+				/* No EAP-Success expected for Phase 1 (outer,
+				 * unencrypted auth), so force EAP state
+				 * machine to SUCCESS state. */
+				sm->peap_done = TRUE;
+			}
+		} else {
+			/* FIX: ? */
+		}
+		break;
+	case EAP_CODE_FAILURE:
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase 2 Failure");
+		ret->decision = DECISION_FAIL;
+		ret->methodState = METHOD_MAY_CONT;
+		ret->allowNotifications = FALSE;
+		/* Reply with EAP-Failure within the TLS channel to complete
+		 * failure reporting. */
+		resp = wpabuf_alloc(sizeof(struct eap_hdr));
+		if (resp) {
+			rhdr = wpabuf_put(resp, sizeof(*rhdr));
+			rhdr->code = EAP_CODE_FAILURE;
+			rhdr->identifier = hdr->identifier;
+			rhdr->length = host_to_be16(sizeof(*rhdr));
+		}
+		break;
+	default:
+		wpa_printf(MSG_INFO, "EAP-PEAP: Unexpected code=%d in "
+			   "Phase 2 EAP header", hdr->code);
+		break;
+	}
+
+	wpabuf_free(in_decrypted);
+
+	if (resp) {
+		int skip_change2 = 0;
+		struct wpabuf *rmsg, buf;
+
+		wpa_hexdump_buf_key(MSG_DEBUG,
+				    "EAP-PEAP: Encrypting Phase 2 data", resp);
+		/* PEAP version changes */
+		if (data->peap_version >= 2) {
+			resp = eap_peapv2_tlv_eap_payload(resp);
+			if (resp == NULL)
+				return -1;
+		}
+		if (wpabuf_len(resp) >= 5 &&
+		    wpabuf_head_u8(resp)[0] == EAP_CODE_RESPONSE &&
+		    eap_get_type(resp) == EAP_TYPE_TLV)
+			skip_change2 = 1;
+		rmsg = resp;
+		if (data->peap_version == 0 && !skip_change2) {
+			wpabuf_set(&buf, wpabuf_head_u8(resp) +
+				   sizeof(struct eap_hdr),
+				   wpabuf_len(resp) - sizeof(struct eap_hdr));
+			rmsg = &buf;
+		}
+
+		if (eap_peer_tls_encrypt(sm, &data->ssl, EAP_TYPE_PEAP,
+					 data->peap_version, req->identifier,
+					 rmsg, out_data)) {
+			wpa_printf(MSG_INFO, "EAP-PEAP: Failed to encrypt "
+				   "a Phase 2 frame");
+		}
+		wpabuf_free(resp);
+	}
+
+	return 0;
+}
+
+
+static struct wpabuf * eap_peap_process(struct eap_sm *sm, void *priv,
+					struct eap_method_ret *ret,
+					const struct wpabuf *reqData)
+{
+	const struct eap_hdr *req;
+	size_t left;
+	int res;
+	u8 flags, id;
+	struct wpabuf *resp;
+	const u8 *pos;
+	struct eap_peap_data *data = priv;
+
+	pos = eap_peer_tls_process_init(sm, &data->ssl, EAP_TYPE_PEAP, ret,
+					reqData, &left, &flags);
+	if (pos == NULL)
+		return NULL;
+	req = wpabuf_head(reqData);
+	id = req->identifier;
+
+	if (flags & EAP_TLS_FLAGS_START) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Start (server ver=%d, own "
+			   "ver=%d)", flags & EAP_TLS_VERSION_MASK,
+			data->peap_version);
+		if ((flags & EAP_TLS_VERSION_MASK) < data->peap_version)
+			data->peap_version = flags & EAP_TLS_VERSION_MASK;
+		if (data->force_peap_version >= 0 &&
+		    data->force_peap_version != data->peap_version) {
+			wpa_printf(MSG_WARNING, "EAP-PEAP: Failed to select "
+				   "forced PEAP version %d",
+				   data->force_peap_version);
+			ret->methodState = METHOD_DONE;
+			ret->decision = DECISION_FAIL;
+			ret->allowNotifications = FALSE;
+			return NULL;
+		}
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Using PEAP version %d",
+			   data->peap_version);
+		left = 0; /* make sure that this frame is empty, even though it
+			   * should always be, anyway */
+	}
+
+	resp = NULL;
+	if (tls_connection_established(sm->ssl_ctx, data->ssl.conn) &&
+	    !data->resuming) {
+		struct wpabuf msg;
+		wpabuf_set(&msg, pos, left);
+		res = eap_peap_decrypt(sm, data, ret, req, &msg, &resp);
+	} else {
+		res = eap_peer_tls_process_helper(sm, &data->ssl,
+						  EAP_TYPE_PEAP,
+						  data->peap_version, id, pos,
+						  left, &resp);
+
+		if (tls_connection_established(sm->ssl_ctx, data->ssl.conn)) {
+			char *label;
+			wpa_printf(MSG_DEBUG,
+				   "EAP-PEAP: TLS done, proceed to Phase 2");
+			os_free(data->key_data);
+			/* draft-josefsson-ppext-eap-tls-eap-05.txt
+			 * specifies that PEAPv1 would use "client PEAP
+			 * encryption" as the label. However, most existing
+			 * PEAPv1 implementations seem to be using the old
+			 * label, "client EAP encryption", instead. Use the old
+			 * label by default, but allow it to be configured with
+			 * phase1 parameter peaplabel=1. */
+			if (data->peap_version > 1 || data->force_new_label)
+				label = "client PEAP encryption";
+			else
+				label = "client EAP encryption";
+			wpa_printf(MSG_DEBUG, "EAP-PEAP: using label '%s' in "
+				   "key derivation", label);
+			data->key_data =
+				eap_peer_tls_derive_key(sm, &data->ssl, label,
+							EAP_TLS_KEY_LEN);
+			if (data->key_data) {
+				wpa_hexdump_key(MSG_DEBUG, 
+						"EAP-PEAP: Derived key",
+						data->key_data,
+						EAP_TLS_KEY_LEN);
+			} else {
+				wpa_printf(MSG_DEBUG, "EAP-PEAP: Failed to "
+					   "derive key");
+			}
+
+			if (sm->workaround && data->resuming) {
+				/*
+				 * At least few RADIUS servers (Aegis v1.1.6;
+				 * but not v1.1.4; and Cisco ACS) seem to be
+				 * terminating PEAPv1 (Aegis) or PEAPv0 (Cisco
+				 * ACS) session resumption with outer
+				 * EAP-Success. This does not seem to follow
+				 * draft-josefsson-pppext-eap-tls-eap-05.txt
+				 * section 4.2, so only allow this if EAP
+				 * workarounds are enabled.
+				 */
+				wpa_printf(MSG_DEBUG, "EAP-PEAP: Workaround - "
+					   "allow outer EAP-Success to "
+					   "terminate PEAP resumption");
+				ret->decision = DECISION_COND_SUCC;
+				data->phase2_success = 1;
+			}
+
+			data->resuming = 0;
+		}
+
+		if (res == 2) {
+			struct wpabuf msg;
+			/*
+			 * Application data included in the handshake message.
+			 */
+			wpabuf_free(data->pending_phase2_req);
+			data->pending_phase2_req = resp;
+			resp = NULL;
+			wpabuf_set(&msg, pos, left);
+			res = eap_peap_decrypt(sm, data, ret, req, &msg,
+					       &resp);
+		}
+	}
+
+	if (ret->methodState == METHOD_DONE) {
+		ret->allowNotifications = FALSE;
+	}
+
+	if (res == 1) {
+		wpabuf_free(resp);
+		return eap_peer_tls_build_ack(id, EAP_TYPE_PEAP,
+					      data->peap_version);
+	}
+
+	return resp;
+}
+
+
+static Boolean eap_peap_has_reauth_data(struct eap_sm *sm, void *priv)
+{
+	struct eap_peap_data *data = priv;
+	return tls_connection_established(sm->ssl_ctx, data->ssl.conn) &&
+		data->phase2_success;
+}
+
+
+static void eap_peap_deinit_for_reauth(struct eap_sm *sm, void *priv)
+{
+	struct eap_peap_data *data = priv;
+	wpabuf_free(data->pending_phase2_req);
+	data->pending_phase2_req = NULL;
+	data->crypto_binding_used = 0;
+}
+
+
+static void * eap_peap_init_for_reauth(struct eap_sm *sm, void *priv)
+{
+	struct eap_peap_data *data = priv;
+	os_free(data->key_data);
+	data->key_data = NULL;
+	if (eap_peer_tls_reauth_init(sm, &data->ssl)) {
+		os_free(data);
+		return NULL;
+	}
+	if (data->phase2_priv && data->phase2_method &&
+	    data->phase2_method->init_for_reauth)
+		data->phase2_method->init_for_reauth(sm, data->phase2_priv);
+	data->phase2_success = 0;
+	data->phase2_eap_success = 0;
+	data->phase2_eap_started = 0;
+	data->resuming = 1;
+	data->reauth = 1;
+	sm->peap_done = FALSE;
+	return priv;
+}
+
+
+static int eap_peap_get_status(struct eap_sm *sm, void *priv, char *buf,
+			       size_t buflen, int verbose)
+{
+	struct eap_peap_data *data = priv;
+	int len, ret;
+
+	len = eap_peer_tls_status(sm, &data->ssl, buf, buflen, verbose);
+	if (data->phase2_method) {
+		ret = os_snprintf(buf + len, buflen - len,
+				  "EAP-PEAPv%d Phase2 method=%s\n",
+				  data->peap_version,
+				  data->phase2_method->name);
+		if (ret < 0 || (size_t) ret >= buflen - len)
+			return len;
+		len += ret;
+	}
+	return len;
+}
+
+
+static Boolean eap_peap_isKeyAvailable(struct eap_sm *sm, void *priv)
+{
+	struct eap_peap_data *data = priv;
+	return data->key_data != NULL && data->phase2_success;
+}
+
+
+static u8 * eap_peap_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_peap_data *data = priv;
+	u8 *key;
+
+	if (data->key_data == NULL || !data->phase2_success)
+		return NULL;
+
+	key = os_malloc(EAP_TLS_KEY_LEN);
+	if (key == NULL)
+		return NULL;
+
+	*len = EAP_TLS_KEY_LEN;
+
+	if (data->crypto_binding_used) {
+		u8 csk[128];
+		/*
+		 * Note: It looks like Microsoft implementation requires null
+		 * termination for this label while the one used for deriving
+		 * IPMK|CMK did not use null termination.
+		 */
+		peap_prfplus(data->peap_version, data->ipmk, 40,
+			     "Session Key Generating Function",
+			     (u8 *) "\00", 1, csk, sizeof(csk));
+		wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: CSK", csk, sizeof(csk));
+		os_memcpy(key, csk, EAP_TLS_KEY_LEN);
+		wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Derived key",
+			    key, EAP_TLS_KEY_LEN);
+	} else
+		os_memcpy(key, data->key_data, EAP_TLS_KEY_LEN);
+
+	return key;
+}
+
+
+int eap_peer_peap_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_IETF, EAP_TYPE_PEAP, "PEAP");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_peap_init;
+	eap->deinit = eap_peap_deinit;
+	eap->process = eap_peap_process;
+	eap->isKeyAvailable = eap_peap_isKeyAvailable;
+	eap->getKey = eap_peap_getKey;
+	eap->get_status = eap_peap_get_status;
+	eap->has_reauth_data = eap_peap_has_reauth_data;
+	eap->deinit_for_reauth = eap_peap_deinit_for_reauth;
+	eap->init_for_reauth = eap_peap_init_for_reauth;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_peer/eap_psk.c b/src/eap_peer/eap_psk.c
new file mode 100644
index 0000000..592ef13
--- /dev/null
+++ b/src/eap_peer/eap_psk.c
@@ -0,0 +1,483 @@
+/*
+ * EAP peer method: EAP-PSK (RFC 4764)
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * Note: EAP-PSK is an EAP authentication method and as such, completely
+ * different from WPA-PSK. This file is not needed for WPA-PSK functionality.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/aes_wrap.h"
+#include "crypto/random.h"
+#include "eap_common/eap_psk_common.h"
+#include "eap_i.h"
+
+
+struct eap_psk_data {
+	enum { PSK_INIT, PSK_MAC_SENT, PSK_DONE } state;
+	u8 rand_p[EAP_PSK_RAND_LEN];
+	u8 ak[EAP_PSK_AK_LEN], kdk[EAP_PSK_KDK_LEN], tek[EAP_PSK_TEK_LEN];
+	u8 *id_s, *id_p;
+	size_t id_s_len, id_p_len;
+	u8 msk[EAP_MSK_LEN];
+	u8 emsk[EAP_EMSK_LEN];
+};
+
+
+static void * eap_psk_init(struct eap_sm *sm)
+{
+	struct eap_psk_data *data;
+	const u8 *identity, *password;
+	size_t identity_len, password_len;
+
+	password = eap_get_config_password(sm, &password_len);
+	if (!password || password_len != 16) {
+		wpa_printf(MSG_INFO, "EAP-PSK: 16-octet pre-shared key not "
+			   "configured");
+		return NULL;
+	}
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	if (eap_psk_key_setup(password, data->ak, data->kdk)) {
+		os_free(data);
+		return NULL;
+	}
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PSK: AK", data->ak, EAP_PSK_AK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PSK: KDK", data->kdk, EAP_PSK_KDK_LEN);
+	data->state = PSK_INIT;
+
+	identity = eap_get_config_identity(sm, &identity_len);
+	if (identity) {
+		data->id_p = os_malloc(identity_len);
+		if (data->id_p)
+			os_memcpy(data->id_p, identity, identity_len);
+		data->id_p_len = identity_len;
+	}
+	if (data->id_p == NULL) {
+		wpa_printf(MSG_INFO, "EAP-PSK: could not get own identity");
+		os_free(data);
+		return NULL;
+	}
+
+	return data;
+}
+
+
+static void eap_psk_deinit(struct eap_sm *sm, void *priv)
+{
+	struct eap_psk_data *data = priv;
+	os_free(data->id_s);
+	os_free(data->id_p);
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_psk_process_1(struct eap_psk_data *data,
+					 struct eap_method_ret *ret,
+					 const struct wpabuf *reqData)
+{
+	const struct eap_psk_hdr_1 *hdr1;
+	struct eap_psk_hdr_2 *hdr2;
+	struct wpabuf *resp;
+	u8 *buf, *pos;
+	size_t buflen, len;
+	const u8 *cpos;
+
+	wpa_printf(MSG_DEBUG, "EAP-PSK: in INIT state");
+
+	cpos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PSK, reqData, &len);
+	hdr1 = (const struct eap_psk_hdr_1 *) cpos;
+	if (cpos == NULL || len < sizeof(*hdr1)) {
+		wpa_printf(MSG_INFO, "EAP-PSK: Invalid first message "
+			   "length (%lu; expected %lu or more)",
+			   (unsigned long) len,
+			   (unsigned long) sizeof(*hdr1));
+		ret->ignore = TRUE;
+		return NULL;
+	}
+	wpa_printf(MSG_DEBUG, "EAP-PSK: Flags=0x%x", hdr1->flags);
+	if (EAP_PSK_FLAGS_GET_T(hdr1->flags) != 0) {
+		wpa_printf(MSG_INFO, "EAP-PSK: Unexpected T=%d (expected 0)",
+			   EAP_PSK_FLAGS_GET_T(hdr1->flags));
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_FAIL;
+		return NULL;
+	}
+	wpa_hexdump(MSG_DEBUG, "EAP-PSK: RAND_S", hdr1->rand_s,
+		    EAP_PSK_RAND_LEN);
+	os_free(data->id_s);
+	data->id_s_len = len - sizeof(*hdr1);
+	data->id_s = os_malloc(data->id_s_len);
+	if (data->id_s == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-PSK: Failed to allocate memory for "
+			   "ID_S (len=%lu)", (unsigned long) data->id_s_len);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+	os_memcpy(data->id_s, (u8 *) (hdr1 + 1), data->id_s_len);
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-PSK: ID_S",
+			  data->id_s, data->id_s_len);
+
+	if (random_get_bytes(data->rand_p, EAP_PSK_RAND_LEN)) {
+		wpa_printf(MSG_ERROR, "EAP-PSK: Failed to get random data");
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_PSK,
+			     sizeof(*hdr2) + data->id_p_len, EAP_CODE_RESPONSE,
+			     eap_get_id(reqData));
+	if (resp == NULL)
+		return NULL;
+	hdr2 = wpabuf_put(resp, sizeof(*hdr2));
+	hdr2->flags = EAP_PSK_FLAGS_SET_T(1); /* T=1 */
+	os_memcpy(hdr2->rand_s, hdr1->rand_s, EAP_PSK_RAND_LEN);
+	os_memcpy(hdr2->rand_p, data->rand_p, EAP_PSK_RAND_LEN);
+	wpabuf_put_data(resp, data->id_p, data->id_p_len);
+	/* MAC_P = OMAC1-AES-128(AK, ID_P||ID_S||RAND_S||RAND_P) */
+	buflen = data->id_p_len + data->id_s_len + 2 * EAP_PSK_RAND_LEN;
+	buf = os_malloc(buflen);
+	if (buf == NULL) {
+		wpabuf_free(resp);
+		return NULL;
+	}
+	os_memcpy(buf, data->id_p, data->id_p_len);
+	pos = buf + data->id_p_len;
+	os_memcpy(pos, data->id_s, data->id_s_len);
+	pos += data->id_s_len;
+	os_memcpy(pos, hdr1->rand_s, EAP_PSK_RAND_LEN);
+	pos += EAP_PSK_RAND_LEN;
+	os_memcpy(pos, data->rand_p, EAP_PSK_RAND_LEN);
+	if (omac1_aes_128(data->ak, buf, buflen, hdr2->mac_p)) {
+		os_free(buf);
+		wpabuf_free(resp);
+		return NULL;
+	}
+	os_free(buf);
+	wpa_hexdump(MSG_DEBUG, "EAP-PSK: RAND_P", hdr2->rand_p,
+		    EAP_PSK_RAND_LEN);
+	wpa_hexdump(MSG_DEBUG, "EAP-PSK: MAC_P", hdr2->mac_p, EAP_PSK_MAC_LEN);
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-PSK: ID_P",
+			  data->id_p, data->id_p_len);
+
+	data->state = PSK_MAC_SENT;
+
+	return resp;
+}
+
+
+static struct wpabuf * eap_psk_process_3(struct eap_psk_data *data,
+					 struct eap_method_ret *ret,
+					 const struct wpabuf *reqData)
+{
+	const struct eap_psk_hdr_3 *hdr3;
+	struct eap_psk_hdr_4 *hdr4;
+	struct wpabuf *resp;
+	u8 *buf, *rpchannel, nonce[16], *decrypted;
+	const u8 *pchannel, *tag, *msg;
+	u8 mac[EAP_PSK_MAC_LEN];
+	size_t buflen, left, data_len, len, plen;
+	int failed = 0;
+	const u8 *pos;
+
+	wpa_printf(MSG_DEBUG, "EAP-PSK: in MAC_SENT state");
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PSK,
+			       reqData, &len);
+	hdr3 = (const struct eap_psk_hdr_3 *) pos;
+	if (pos == NULL || len < sizeof(*hdr3)) {
+		wpa_printf(MSG_INFO, "EAP-PSK: Invalid third message "
+			   "length (%lu; expected %lu or more)",
+			   (unsigned long) len,
+			   (unsigned long) sizeof(*hdr3));
+		ret->ignore = TRUE;
+		return NULL;
+	}
+	left = len - sizeof(*hdr3);
+	pchannel = (const u8 *) (hdr3 + 1);
+	wpa_printf(MSG_DEBUG, "EAP-PSK: Flags=0x%x", hdr3->flags);
+	if (EAP_PSK_FLAGS_GET_T(hdr3->flags) != 2) {
+		wpa_printf(MSG_INFO, "EAP-PSK: Unexpected T=%d (expected 2)",
+			   EAP_PSK_FLAGS_GET_T(hdr3->flags));
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_FAIL;
+		return NULL;
+	}
+	wpa_hexdump(MSG_DEBUG, "EAP-PSK: RAND_S", hdr3->rand_s,
+		    EAP_PSK_RAND_LEN);
+	wpa_hexdump(MSG_DEBUG, "EAP-PSK: MAC_S", hdr3->mac_s, EAP_PSK_MAC_LEN);
+	wpa_hexdump(MSG_DEBUG, "EAP-PSK: PCHANNEL", pchannel, left);
+
+	if (left < 4 + 16 + 1) {
+		wpa_printf(MSG_INFO, "EAP-PSK: Too short PCHANNEL data in "
+			   "third message (len=%lu, expected 21)",
+			   (unsigned long) left);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	/* MAC_S = OMAC1-AES-128(AK, ID_S||RAND_P) */
+	buflen = data->id_s_len + EAP_PSK_RAND_LEN;
+	buf = os_malloc(buflen);
+	if (buf == NULL)
+		return NULL;
+	os_memcpy(buf, data->id_s, data->id_s_len);
+	os_memcpy(buf + data->id_s_len, data->rand_p, EAP_PSK_RAND_LEN);
+	if (omac1_aes_128(data->ak, buf, buflen, mac)) {
+		os_free(buf);
+		return NULL;
+	}
+	os_free(buf);
+	if (os_memcmp(mac, hdr3->mac_s, EAP_PSK_MAC_LEN) != 0) {
+		wpa_printf(MSG_WARNING, "EAP-PSK: Invalid MAC_S in third "
+			   "message");
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_FAIL;
+		return NULL;
+	}
+	wpa_printf(MSG_DEBUG, "EAP-PSK: MAC_S verified successfully");
+
+	if (eap_psk_derive_keys(data->kdk, data->rand_p, data->tek,
+				data->msk, data->emsk)) {
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_FAIL;
+		return NULL;
+	}
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PSK: TEK", data->tek, EAP_PSK_TEK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PSK: MSK", data->msk, EAP_MSK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PSK: EMSK", data->emsk, EAP_EMSK_LEN);
+
+	os_memset(nonce, 0, 12);
+	os_memcpy(nonce + 12, pchannel, 4);
+	pchannel += 4;
+	left -= 4;
+
+	tag = pchannel;
+	pchannel += 16;
+	left -= 16;
+
+	msg = pchannel;
+
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PSK: PCHANNEL - nonce",
+		    nonce, sizeof(nonce));
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PSK: PCHANNEL - hdr",
+		    wpabuf_head(reqData), 5);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PSK: PCHANNEL - cipher msg", msg, left);
+
+	decrypted = os_malloc(left);
+	if (decrypted == NULL) {
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_FAIL;
+		return NULL;
+	}
+	os_memcpy(decrypted, msg, left);
+
+	if (aes_128_eax_decrypt(data->tek, nonce, sizeof(nonce),
+				wpabuf_head(reqData),
+				sizeof(struct eap_hdr) + 1 +
+				sizeof(*hdr3) - EAP_PSK_MAC_LEN, decrypted,
+				left, tag)) {
+		wpa_printf(MSG_WARNING, "EAP-PSK: PCHANNEL decryption failed");
+		os_free(decrypted);
+		return NULL;
+	}
+	wpa_hexdump(MSG_DEBUG, "EAP-PSK: Decrypted PCHANNEL message",
+		    decrypted, left);
+
+	/* Verify R flag */
+	switch (decrypted[0] >> 6) {
+	case EAP_PSK_R_FLAG_CONT:
+		wpa_printf(MSG_DEBUG, "EAP-PSK: R flag - CONT - unsupported");
+		failed = 1;
+		break;
+	case EAP_PSK_R_FLAG_DONE_SUCCESS:
+		wpa_printf(MSG_DEBUG, "EAP-PSK: R flag - DONE_SUCCESS");
+		break;
+	case EAP_PSK_R_FLAG_DONE_FAILURE:
+		wpa_printf(MSG_DEBUG, "EAP-PSK: R flag - DONE_FAILURE");
+		wpa_printf(MSG_INFO, "EAP-PSK: Authentication server rejected "
+			   "authentication");
+		failed = 1;
+		break;
+	}
+
+	data_len = 1;
+	if ((decrypted[0] & EAP_PSK_E_FLAG) && left > 1)
+		data_len++;
+	plen = sizeof(*hdr4) + 4 + 16 + data_len;
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_PSK, plen,
+			     EAP_CODE_RESPONSE, eap_get_id(reqData));
+	if (resp == NULL) {
+		os_free(decrypted);
+		return NULL;
+	}
+	hdr4 = wpabuf_put(resp, sizeof(*hdr4));
+	hdr4->flags = EAP_PSK_FLAGS_SET_T(3); /* T=3 */
+	os_memcpy(hdr4->rand_s, hdr3->rand_s, EAP_PSK_RAND_LEN);
+	rpchannel = wpabuf_put(resp, 4 + 16 + data_len);
+
+	/* nonce++ */
+	inc_byte_array(nonce, sizeof(nonce));
+	os_memcpy(rpchannel, nonce + 12, 4);
+
+	if (decrypted[0] & EAP_PSK_E_FLAG) {
+		wpa_printf(MSG_DEBUG, "EAP-PSK: Unsupported E (Ext) flag");
+		failed = 1;
+		rpchannel[4 + 16] = (EAP_PSK_R_FLAG_DONE_FAILURE << 6) |
+			EAP_PSK_E_FLAG;
+		if (left > 1) {
+			/* Add empty EXT_Payload with same EXT_Type */
+			rpchannel[4 + 16 + 1] = decrypted[1];
+		}
+	} else if (failed)
+		rpchannel[4 + 16] = EAP_PSK_R_FLAG_DONE_FAILURE << 6;
+	else
+		rpchannel[4 + 16] = EAP_PSK_R_FLAG_DONE_SUCCESS << 6;
+
+	wpa_hexdump(MSG_DEBUG, "EAP-PSK: reply message (plaintext)",
+		    rpchannel + 4 + 16, data_len);
+	if (aes_128_eax_encrypt(data->tek, nonce, sizeof(nonce),
+				wpabuf_head(resp),
+				sizeof(struct eap_hdr) + 1 + sizeof(*hdr4),
+				rpchannel + 4 + 16, data_len, rpchannel + 4)) {
+		os_free(decrypted);
+		wpabuf_free(resp);
+		return NULL;
+	}
+	wpa_hexdump(MSG_DEBUG, "EAP-PSK: reply message (PCHANNEL)",
+		    rpchannel, 4 + 16 + data_len);
+
+	wpa_printf(MSG_DEBUG, "EAP-PSK: Completed %ssuccessfully",
+		   failed ? "un" : "");
+	data->state = PSK_DONE;
+	ret->methodState = METHOD_DONE;
+	ret->decision = failed ? DECISION_FAIL : DECISION_UNCOND_SUCC;
+
+	os_free(decrypted);
+
+	return resp;
+}
+
+
+static struct wpabuf * eap_psk_process(struct eap_sm *sm, void *priv,
+				       struct eap_method_ret *ret,
+				       const struct wpabuf *reqData)
+{
+	struct eap_psk_data *data = priv;
+	const u8 *pos;
+	struct wpabuf *resp = NULL;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PSK, reqData, &len);
+	if (pos == NULL) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	ret->ignore = FALSE;
+	ret->methodState = METHOD_MAY_CONT;
+	ret->decision = DECISION_FAIL;
+	ret->allowNotifications = TRUE;
+
+	switch (data->state) {
+	case PSK_INIT:
+		resp = eap_psk_process_1(data, ret, reqData);
+		break;
+	case PSK_MAC_SENT:
+		resp = eap_psk_process_3(data, ret, reqData);
+		break;
+	case PSK_DONE:
+		wpa_printf(MSG_DEBUG, "EAP-PSK: in DONE state - ignore "
+			   "unexpected message");
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (ret->methodState == METHOD_DONE) {
+		ret->allowNotifications = FALSE;
+	}
+
+	return resp;
+}
+
+
+static Boolean eap_psk_isKeyAvailable(struct eap_sm *sm, void *priv)
+{
+	struct eap_psk_data *data = priv;
+	return data->state == PSK_DONE;
+}
+
+
+static u8 * eap_psk_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_psk_data *data = priv;
+	u8 *key;
+
+	if (data->state != PSK_DONE)
+		return NULL;
+
+	key = os_malloc(EAP_MSK_LEN);
+	if (key == NULL)
+		return NULL;
+
+	*len = EAP_MSK_LEN;
+	os_memcpy(key, data->msk, EAP_MSK_LEN);
+
+	return key;
+}
+
+
+static u8 * eap_psk_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_psk_data *data = priv;
+	u8 *key;
+
+	if (data->state != PSK_DONE)
+		return NULL;
+
+	key = os_malloc(EAP_EMSK_LEN);
+	if (key == NULL)
+		return NULL;
+
+	*len = EAP_EMSK_LEN;
+	os_memcpy(key, data->emsk, EAP_EMSK_LEN);
+
+	return key;
+}
+
+
+int eap_peer_psk_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_IETF, EAP_TYPE_PSK, "PSK");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_psk_init;
+	eap->deinit = eap_psk_deinit;
+	eap->process = eap_psk_process;
+	eap->isKeyAvailable = eap_psk_isKeyAvailable;
+	eap->getKey = eap_psk_getKey;
+	eap->get_emsk = eap_psk_get_emsk;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_peer/eap_pwd.c b/src/eap_peer/eap_pwd.c
new file mode 100644
index 0000000..e4705b7
--- /dev/null
+++ b/src/eap_peer/eap_pwd.c
@@ -0,0 +1,744 @@
+/*
+ * EAP peer method: EAP-pwd (RFC 5931)
+ * Copyright (c) 2010, Dan Harkins <dharkins@lounge.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the BSD license.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eap_peer/eap_i.h"
+#include "eap_common/eap_pwd_common.h"
+
+
+struct eap_pwd_data {
+	enum {
+		PWD_ID_Req, PWD_Commit_Req, PWD_Confirm_Req, SUCCESS, FAILURE
+	} state;
+	u8 *id_peer;
+	size_t id_peer_len;
+	u8 *id_server;
+	size_t id_server_len;
+	u8 *password;
+	size_t password_len;
+	u16 group_num;
+	EAP_PWD_group *grp;
+
+	BIGNUM *k;
+	BIGNUM *private_value;
+	BIGNUM *server_scalar;
+	BIGNUM *my_scalar;
+	EC_POINT *my_element;
+	EC_POINT *server_element;
+
+	u8 msk[EAP_MSK_LEN];
+	u8 emsk[EAP_EMSK_LEN];
+
+	BN_CTX *bnctx;
+};
+
+
+#ifndef CONFIG_NO_STDOUT_DEBUG
+static const char * eap_pwd_state_txt(int state)
+{
+	switch (state) {
+        case PWD_ID_Req:
+		return "PWD-ID-Req";
+        case PWD_Commit_Req:
+		return "PWD-Commit-Req";
+        case PWD_Confirm_Req:
+		return "PWD-Confirm-Req";
+        case SUCCESS:
+		return "SUCCESS";
+        case FAILURE:
+		return "FAILURE";
+        default:
+		return "PWD-UNK";
+	}
+}
+#endif  /* CONFIG_NO_STDOUT_DEBUG */
+
+
+static void eap_pwd_state(struct eap_pwd_data *data, int state)
+{
+	wpa_printf(MSG_INFO, "EAP-PWD: %s -> %s",
+		   eap_pwd_state_txt(data->state), eap_pwd_state_txt(state));
+	data->state = state;
+}
+
+
+static void * eap_pwd_init(struct eap_sm *sm)
+{
+	struct eap_pwd_data *data;
+	const u8 *identity, *password;
+	size_t identity_len, password_len;
+
+	password = eap_get_config_password(sm, &password_len);
+	if (password == NULL) {
+		wpa_printf(MSG_INFO, "EAP-PWD: No password configured!");
+		return NULL;
+	}
+
+	identity = eap_get_config_identity(sm, &identity_len);
+	if (identity == NULL) {
+		wpa_printf(MSG_INFO, "EAP-PWD: No identity configured!");
+		return NULL;
+	}
+
+	if ((data = os_zalloc(sizeof(*data))) == NULL) {
+		wpa_printf(MSG_INFO, "EAP-PWD: memory allocation data fail");
+		return NULL;
+	}
+
+	if ((data->bnctx = BN_CTX_new()) == NULL) {
+		wpa_printf(MSG_INFO, "EAP-PWD: bn context allocation fail");
+		os_free(data);
+		return NULL;
+	}
+
+	if ((data->id_peer = os_malloc(identity_len)) == NULL) {
+		wpa_printf(MSG_INFO, "EAP-PWD: memory allocation id fail");
+		BN_CTX_free(data->bnctx);
+		os_free(data);
+		return NULL;
+	}
+
+	os_memcpy(data->id_peer, identity, identity_len);
+	data->id_peer_len = identity_len;
+
+	if ((data->password = os_malloc(password_len)) == NULL) {
+		wpa_printf(MSG_INFO, "EAP-PWD: memory allocation psk fail");
+		BN_CTX_free(data->bnctx);
+		os_free(data->id_peer);
+		os_free(data);
+		return NULL;
+	}
+	os_memcpy(data->password, password, password_len);
+	data->password_len = password_len;
+
+	data->state = PWD_ID_Req;
+
+	return data;
+}
+
+
+static void eap_pwd_deinit(struct eap_sm *sm, void *priv)
+{
+	struct eap_pwd_data *data = priv;
+
+	BN_free(data->private_value);
+	BN_free(data->server_scalar);
+	BN_free(data->my_scalar);
+	BN_free(data->k);
+	BN_CTX_free(data->bnctx);
+	EC_POINT_free(data->my_element);
+	EC_POINT_free(data->server_element);
+	os_free(data->id_peer);
+	os_free(data->id_server);
+	os_free(data->password);
+	if (data->grp) {
+		EC_GROUP_free(data->grp->group);
+		EC_POINT_free(data->grp->pwe);
+		BN_free(data->grp->order);
+		BN_free(data->grp->prime);
+		os_free(data->grp);
+	}
+	os_free(data);
+}
+
+
+static u8 * eap_pwd_getkey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_pwd_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_MSK_LEN);
+	if (key == NULL)
+		return NULL;
+
+	os_memcpy(key, data->msk, EAP_MSK_LEN);
+	*len = EAP_MSK_LEN;
+
+	return key;
+}
+
+
+static struct wpabuf *
+eap_pwd_perform_id_exchange(struct eap_sm *sm, struct eap_pwd_data *data,
+			    struct eap_method_ret *ret,
+			    const struct wpabuf *reqData,
+			    const u8 *payload, size_t payload_len)
+{
+	struct eap_pwd_id *id;
+	struct wpabuf *resp;
+
+	if (data->state != PWD_ID_Req) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (payload_len < sizeof(struct eap_pwd_id)) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	id = (struct eap_pwd_id *) payload;
+	data->group_num = be_to_host16(id->group_num);
+	if ((id->random_function != EAP_PWD_DEFAULT_RAND_FUNC) ||
+	    (id->prf != EAP_PWD_DEFAULT_PRF)) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-PWD (peer): server said group %d",
+		   data->group_num);
+
+	data->id_server = os_malloc(payload_len - sizeof(struct eap_pwd_id));
+	if (data->id_server == NULL) {
+		wpa_printf(MSG_INFO, "EAP-PWD: memory allocation id fail");
+		return NULL;
+	}
+	data->id_server_len = payload_len - sizeof(struct eap_pwd_id);
+	os_memcpy(data->id_server, id->identity, data->id_server_len);
+	wpa_hexdump_ascii(MSG_INFO, "EAP-PWD (peer): server sent id of",
+			  data->id_server, data->id_server_len);
+
+	if ((data->grp = (EAP_PWD_group *) os_malloc(sizeof(EAP_PWD_group))) ==
+	    NULL) {
+		wpa_printf(MSG_INFO, "EAP-PWD: failed to allocate memory for "
+			   "group");
+		return NULL;
+	}
+
+	/* compute PWE */
+	if (compute_password_element(data->grp, data->group_num,
+				     data->password, data->password_len,
+				     data->id_server, data->id_server_len,
+				     data->id_peer, data->id_peer_len,
+				     id->token)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (peer): unable to compute PWE");
+		return NULL;
+	}
+
+	wpa_printf(MSG_INFO, "EAP-PWD (peer): computed %d bit PWE...",
+		   BN_num_bits(data->grp->prime));
+
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_PWD,
+			     1 + sizeof(struct eap_pwd_id) + data->id_peer_len,
+			     EAP_CODE_RESPONSE, eap_get_id(reqData));
+	if (resp == NULL)
+		return NULL;
+
+	wpabuf_put_u8(resp, EAP_PWD_OPCODE_ID_EXCH);
+	wpabuf_put_be16(resp, data->group_num);
+	wpabuf_put_u8(resp, EAP_PWD_DEFAULT_RAND_FUNC);
+	wpabuf_put_u8(resp, EAP_PWD_DEFAULT_PRF);
+	wpabuf_put_data(resp, id->token, sizeof(id->token));
+	wpabuf_put_u8(resp, EAP_PWD_PREP_NONE);
+	wpabuf_put_data(resp, data->id_peer, data->id_peer_len);
+
+	eap_pwd_state(data, PWD_Commit_Req);
+
+	return resp;
+}
+
+
+static struct wpabuf *
+eap_pwd_perform_commit_exchange(struct eap_sm *sm, struct eap_pwd_data *data,
+				struct eap_method_ret *ret,
+				const struct wpabuf *reqData,
+				const u8 *payload, size_t payload_len)
+{
+	struct wpabuf *resp = NULL;
+	EC_POINT *K = NULL, *point = NULL;
+	BIGNUM *mask = NULL, *x = NULL, *y = NULL, *cofactor = NULL;
+	u16 offset;
+	u8 *ptr, *scalar = NULL, *element = NULL;
+
+	if (((data->private_value = BN_new()) == NULL) ||
+	    ((data->my_element = EC_POINT_new(data->grp->group)) == NULL) ||
+	    ((cofactor = BN_new()) == NULL) ||
+	    ((data->my_scalar = BN_new()) == NULL) ||
+	    ((mask = BN_new()) == NULL)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (peer): scalar allocation fail");
+		goto fin;
+	}
+
+	if (!EC_GROUP_get_cofactor(data->grp->group, cofactor, NULL)) {
+		wpa_printf(MSG_INFO, "EAP-pwd (peer): unable to get cofactor "
+			   "for curve");
+		goto fin;
+	}
+
+	BN_rand_range(data->private_value, data->grp->order);
+	BN_rand_range(mask, data->grp->order);
+	BN_add(data->my_scalar, data->private_value, mask);
+	BN_mod(data->my_scalar, data->my_scalar, data->grp->order,
+	       data->bnctx);
+
+	if (!EC_POINT_mul(data->grp->group, data->my_element, NULL,
+			  data->grp->pwe, mask, data->bnctx)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (peer): element allocation "
+			   "fail");
+		eap_pwd_state(data, FAILURE);
+		goto fin;
+	}
+
+	if (!EC_POINT_invert(data->grp->group, data->my_element, data->bnctx))
+	{
+		wpa_printf(MSG_INFO, "EAP-PWD (peer): element inversion fail");
+		goto fin;
+	}
+	BN_free(mask);
+
+	if (((x = BN_new()) == NULL) ||
+	    ((y = BN_new()) == NULL)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (peer): point allocation fail");
+		goto fin;
+	}
+
+	/* process the request */
+	if (((data->server_scalar = BN_new()) == NULL) ||
+	    ((data->k = BN_new()) == NULL) ||
+	    ((K = EC_POINT_new(data->grp->group)) == NULL) ||
+	    ((point = EC_POINT_new(data->grp->group)) == NULL) ||
+	    ((data->server_element = EC_POINT_new(data->grp->group)) == NULL))
+	{
+		wpa_printf(MSG_INFO, "EAP-PWD (peer): peer data allocation "
+			   "fail");
+		goto fin;
+	}
+
+	/* element, x then y, followed by scalar */
+	ptr = (u8 *) payload;
+	BN_bin2bn(ptr, BN_num_bytes(data->grp->prime), x);
+	ptr += BN_num_bytes(data->grp->prime);
+	BN_bin2bn(ptr, BN_num_bytes(data->grp->prime), y);
+	ptr += BN_num_bytes(data->grp->prime);
+	BN_bin2bn(ptr, BN_num_bytes(data->grp->order), data->server_scalar);
+	if (!EC_POINT_set_affine_coordinates_GFp(data->grp->group,
+						 data->server_element, x, y,
+						 data->bnctx)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (peer): setting peer element "
+			   "fail");
+		goto fin;
+	}
+
+	/* check to ensure server's element is not in a small sub-group */
+	if (BN_cmp(cofactor, BN_value_one())) {
+		if (!EC_POINT_mul(data->grp->group, point, NULL,
+				  data->server_element, cofactor, NULL)) {
+			wpa_printf(MSG_INFO, "EAP-PWD (peer): cannot multiply "
+				   "server element by order!\n");
+			goto fin;
+		}
+		if (EC_POINT_is_at_infinity(data->grp->group, point)) {
+			wpa_printf(MSG_INFO, "EAP-PWD (peer): server element "
+				   "is at infinity!\n");
+			goto fin;
+		}
+	}
+
+	/* compute the shared key, k */
+	if ((!EC_POINT_mul(data->grp->group, K, NULL, data->grp->pwe,
+			   data->server_scalar, data->bnctx)) ||
+	    (!EC_POINT_add(data->grp->group, K, K, data->server_element,
+			   data->bnctx)) ||
+	    (!EC_POINT_mul(data->grp->group, K, NULL, K, data->private_value,
+			   data->bnctx))) {
+		wpa_printf(MSG_INFO, "EAP-PWD (peer): computing shared key "
+			   "fail");
+		goto fin;
+	}
+
+	/* ensure that the shared key isn't in a small sub-group */
+	if (BN_cmp(cofactor, BN_value_one())) {
+		if (!EC_POINT_mul(data->grp->group, K, NULL, K, cofactor,
+				  NULL)) {
+			wpa_printf(MSG_INFO, "EAP-PWD (peer): cannot multiply "
+				   "shared key point by order");
+			goto fin;
+		}
+	}
+
+	/*
+	 * This check is strictly speaking just for the case above where
+	 * co-factor > 1 but it was suggested that even though this is probably
+	 * never going to happen it is a simple and safe check "just to be
+	 * sure" so let's be safe.
+	 */
+	if (EC_POINT_is_at_infinity(data->grp->group, K)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (peer): shared key point is at "
+			   "infinity!\n");
+		goto fin;
+	}
+
+	if (!EC_POINT_get_affine_coordinates_GFp(data->grp->group, K, data->k,
+						 NULL, data->bnctx)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (peer): unable to extract "
+			   "shared secret from point");
+		goto fin;
+	}
+
+	/* now do the response */
+	if (!EC_POINT_get_affine_coordinates_GFp(data->grp->group,
+						 data->my_element, x, y,
+						 data->bnctx)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (peer): point assignment fail");
+		goto fin;
+	}
+
+	if (((scalar = os_malloc(BN_num_bytes(data->grp->order))) == NULL) ||
+	    ((element = os_malloc(BN_num_bytes(data->grp->prime) * 2)) ==
+	     NULL)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (peer): data allocation fail");
+		goto fin;
+	}
+
+	/*
+	 * bignums occupy as little memory as possible so one that is
+	 * sufficiently smaller than the prime or order might need pre-pending
+	 * with zeros.
+	 */
+	os_memset(scalar, 0, BN_num_bytes(data->grp->order));
+	os_memset(element, 0, BN_num_bytes(data->grp->prime) * 2);
+	offset = BN_num_bytes(data->grp->order) -
+		BN_num_bytes(data->my_scalar);
+	BN_bn2bin(data->my_scalar, scalar + offset);
+
+	offset = BN_num_bytes(data->grp->prime) - BN_num_bytes(x);
+	BN_bn2bin(x, element + offset);
+	offset = BN_num_bytes(data->grp->prime) - BN_num_bytes(y);
+	BN_bn2bin(y, element + BN_num_bytes(data->grp->prime) + offset);
+
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_PWD,
+			     sizeof(struct eap_pwd_hdr) +
+			     BN_num_bytes(data->grp->order) +
+			     (2 * BN_num_bytes(data->grp->prime)),
+			     EAP_CODE_RESPONSE, eap_get_id(reqData));
+	if (resp == NULL)
+		goto fin;
+
+	wpabuf_put_u8(resp, EAP_PWD_OPCODE_COMMIT_EXCH);
+
+	/* we send the element as (x,y) follwed by the scalar */
+	wpabuf_put_data(resp, element, (2 * BN_num_bytes(data->grp->prime)));
+	wpabuf_put_data(resp, scalar, BN_num_bytes(data->grp->order));
+
+fin:
+	os_free(scalar);
+	os_free(element);
+	BN_free(x);
+	BN_free(y);
+	BN_free(cofactor);
+	EC_POINT_free(K);
+	EC_POINT_free(point);
+	if (resp == NULL)
+		eap_pwd_state(data, FAILURE);
+	else
+		eap_pwd_state(data, PWD_Confirm_Req);
+
+	return resp;
+}
+
+
+static struct wpabuf *
+eap_pwd_perform_confirm_exchange(struct eap_sm *sm, struct eap_pwd_data *data,
+				 struct eap_method_ret *ret,
+				 const struct wpabuf *reqData,
+				 const u8 *payload, size_t payload_len)
+{
+	struct wpabuf *resp = NULL;
+	BIGNUM *x = NULL, *y = NULL;
+	HMAC_CTX ctx;
+	u32 cs;
+	u16 grp;
+	u8 conf[SHA256_DIGEST_LENGTH], *cruft = NULL, *ptr;
+
+	/*
+	 * first build up the ciphersuite which is group | random_function |
+	 *	prf
+	 */
+	grp = htons(data->group_num);
+	ptr = (u8 *) &cs;
+	os_memcpy(ptr, &grp, sizeof(u16));
+	ptr += sizeof(u16);
+	*ptr = EAP_PWD_DEFAULT_RAND_FUNC;
+	ptr += sizeof(u8);
+	*ptr = EAP_PWD_DEFAULT_PRF;
+
+	/* each component of the cruft will be at most as big as the prime */
+	if (((cruft = os_malloc(BN_num_bytes(data->grp->prime))) == NULL) ||
+	    ((x = BN_new()) == NULL) || ((y = BN_new()) == NULL)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): debug allocation "
+			   "fail");
+		goto fin;
+	}
+
+	/*
+	 * server's commit is H(k | server_element | server_scalar |
+	 *			peer_element | peer_scalar | ciphersuite)
+	 */
+	H_Init(&ctx);
+
+	/*
+	 * zero the memory each time because this is mod prime math and some
+	 * value may start with a few zeros and the previous one did not.
+	 */
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(data->k, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+
+	/* server element: x, y */
+	if (!EC_POINT_get_affine_coordinates_GFp(data->grp->group,
+						 data->server_element, x, y,
+						 data->bnctx)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): confirm point "
+			   "assignment fail");
+		goto fin;
+	}
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(x, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(y, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+
+	/* server scalar */
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(data->server_scalar, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->order));
+
+	/* my element: x, y */
+	if (!EC_POINT_get_affine_coordinates_GFp(data->grp->group,
+						 data->my_element, x, y,
+						 data->bnctx)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): confirm point "
+			   "assignment fail");
+		goto fin;
+	}
+
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(x, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(y, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+
+	/* my scalar */
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(data->my_scalar, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->order));
+
+	/* the ciphersuite */
+	H_Update(&ctx, (u8 *) &cs, sizeof(u32));
+
+	/* random function fin */
+	H_Final(&ctx, conf);
+
+	ptr = (u8 *) payload;
+	if (os_memcmp(conf, ptr, SHA256_DIGEST_LENGTH)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (peer): confirm did not verify");
+		goto fin;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-pwd (peer): confirm verified");
+
+	/*
+	 * compute confirm:
+	 *  H(k | peer_element | peer_scalar | server_element | server_scalar |
+	 *    ciphersuite)
+	 */
+	H_Init(&ctx);
+
+	/* k */
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(data->k, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+
+	/* my element */
+	if (!EC_POINT_get_affine_coordinates_GFp(data->grp->group,
+						 data->my_element, x, y,
+						 data->bnctx)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (peer): confirm point "
+			   "assignment fail");
+		goto fin;
+	}
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(x, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(y, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+
+	/* my scalar */
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(data->my_scalar, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->order));
+
+	/* server element: x, y */
+	if (!EC_POINT_get_affine_coordinates_GFp(data->grp->group,
+						 data->server_element, x, y,
+						 data->bnctx)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (peer): confirm point "
+			   "assignment fail");
+		goto fin;
+	}
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(x, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(y, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+
+	/* server scalar */
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(data->server_scalar, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->order));
+
+	/* the ciphersuite */
+	H_Update(&ctx, (u8 *) &cs, sizeof(u32));
+
+	/* all done */
+	H_Final(&ctx, conf);
+
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_PWD,
+			     sizeof(struct eap_pwd_hdr) + SHA256_DIGEST_LENGTH,
+			     EAP_CODE_RESPONSE, eap_get_id(reqData));
+	if (resp == NULL)
+		goto fin;
+
+	wpabuf_put_u8(resp, EAP_PWD_OPCODE_CONFIRM_EXCH);
+	wpabuf_put_data(resp, conf, SHA256_DIGEST_LENGTH);
+
+	if (compute_keys(data->grp, data->bnctx, data->k,
+			 data->my_scalar, data->server_scalar, conf, ptr,
+			 &cs, data->msk, data->emsk) < 0) {
+		wpa_printf(MSG_INFO, "EAP-PWD (peer): unable to compute MSK | "
+			   "EMSK");
+		goto fin;
+	}
+
+fin:
+	os_free(cruft);
+	BN_free(x);
+	BN_free(y);
+	ret->methodState = METHOD_DONE;
+	if (resp == NULL) {
+		ret->decision = DECISION_FAIL;
+		eap_pwd_state(data, FAILURE);
+	} else {
+		ret->decision = DECISION_UNCOND_SUCC;
+		eap_pwd_state(data, SUCCESS);
+	}
+
+	return resp;
+}
+
+
+static struct wpabuf *
+eap_pwd_process(struct eap_sm *sm, void *priv, struct eap_method_ret *ret,
+		const struct wpabuf *reqData)
+{
+	struct eap_pwd_data *data = priv;
+	struct wpabuf *resp = NULL;
+	const u8 *pos;
+	size_t len;
+	u8 exch;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PWD, reqData, &len);
+	if ((pos == NULL) || (len < 1)) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	wpa_printf(MSG_INFO, "EAP-pwd: Received frame: opcode %d", *pos);
+
+	ret->ignore = FALSE;
+	ret->methodState = METHOD_MAY_CONT;
+	ret->decision = DECISION_FAIL;
+	ret->allowNotifications = FALSE;
+
+	exch = *pos & 0x3f;
+	switch (exch) {
+        case EAP_PWD_OPCODE_ID_EXCH:
+		resp = eap_pwd_perform_id_exchange(sm, data, ret, reqData,
+						   pos + 1, len - 1);
+		break;
+        case EAP_PWD_OPCODE_COMMIT_EXCH:
+		resp = eap_pwd_perform_commit_exchange(sm, data, ret, reqData,
+						       pos + 1, len - 1);
+		break;
+        case EAP_PWD_OPCODE_CONFIRM_EXCH:
+		resp = eap_pwd_perform_confirm_exchange(sm, data, ret, reqData,
+							pos + 1, len - 1);
+		break;
+        default:
+		wpa_printf(MSG_INFO, "EAP-pwd: Ignoring message with unknown "
+			   "opcode %d", exch);
+		break;
+	}
+
+	return resp;
+}
+
+
+static Boolean eap_pwd_key_available(struct eap_sm *sm, void *priv)
+{
+	struct eap_pwd_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+static u8 * eap_pwd_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_pwd_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	if ((key = os_malloc(EAP_EMSK_LEN)) == NULL)
+		return NULL;
+
+	os_memcpy(key, data->emsk, EAP_EMSK_LEN);
+	*len = EAP_EMSK_LEN;
+
+	return key;
+}
+
+
+int eap_peer_pwd_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	EVP_add_digest(EVP_sha256());
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_IETF, EAP_TYPE_PWD, "PWD");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_pwd_init;
+	eap->deinit = eap_pwd_deinit;
+	eap->process = eap_pwd_process;
+	eap->isKeyAvailable = eap_pwd_key_available;
+	eap->getKey = eap_pwd_getkey;
+	eap->get_emsk = eap_pwd_get_emsk;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_peer/eap_sake.c b/src/eap_peer/eap_sake.c
new file mode 100644
index 0000000..1474b7f
--- /dev/null
+++ b/src/eap_peer/eap_sake.c
@@ -0,0 +1,500 @@
+/*
+ * EAP peer method: EAP-SAKE (RFC 4763)
+ * Copyright (c) 2006-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/random.h"
+#include "eap_peer/eap_i.h"
+#include "eap_common/eap_sake_common.h"
+
+struct eap_sake_data {
+	enum { IDENTITY, CHALLENGE, CONFIRM, SUCCESS, FAILURE } state;
+	u8 root_secret_a[EAP_SAKE_ROOT_SECRET_LEN];
+	u8 root_secret_b[EAP_SAKE_ROOT_SECRET_LEN];
+	u8 rand_s[EAP_SAKE_RAND_LEN];
+	u8 rand_p[EAP_SAKE_RAND_LEN];
+	struct {
+		u8 auth[EAP_SAKE_TEK_AUTH_LEN];
+		u8 cipher[EAP_SAKE_TEK_CIPHER_LEN];
+	} tek;
+	u8 msk[EAP_MSK_LEN];
+	u8 emsk[EAP_EMSK_LEN];
+	u8 session_id;
+	int session_id_set;
+	u8 *peerid;
+	size_t peerid_len;
+	u8 *serverid;
+	size_t serverid_len;
+};
+
+
+static const char * eap_sake_state_txt(int state)
+{
+	switch (state) {
+	case IDENTITY:
+		return "IDENTITY";
+	case CHALLENGE:
+		return "CHALLENGE";
+	case CONFIRM:
+		return "CONFIRM";
+	case SUCCESS:
+		return "SUCCESS";
+	case FAILURE:
+		return "FAILURE";
+	default:
+		return "?";
+	}
+}
+
+
+static void eap_sake_state(struct eap_sake_data *data, int state)
+{
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: %s -> %s",
+		   eap_sake_state_txt(data->state),
+		   eap_sake_state_txt(state));
+	data->state = state;
+}
+
+
+static void eap_sake_deinit(struct eap_sm *sm, void *priv);
+
+
+static void * eap_sake_init(struct eap_sm *sm)
+{
+	struct eap_sake_data *data;
+	const u8 *identity, *password;
+	size_t identity_len, password_len;
+
+	password = eap_get_config_password(sm, &password_len);
+	if (!password || password_len != 2 * EAP_SAKE_ROOT_SECRET_LEN) {
+		wpa_printf(MSG_INFO, "EAP-SAKE: No key of correct length "
+			   "configured");
+		return NULL;
+	}
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = IDENTITY;
+
+	identity = eap_get_config_identity(sm, &identity_len);
+	if (identity) {
+		data->peerid = os_malloc(identity_len);
+		if (data->peerid == NULL) {
+			eap_sake_deinit(sm, data);
+			return NULL;
+		}
+		os_memcpy(data->peerid, identity, identity_len);
+		data->peerid_len = identity_len;
+	}
+
+	os_memcpy(data->root_secret_a, password, EAP_SAKE_ROOT_SECRET_LEN);
+	os_memcpy(data->root_secret_b,
+		  password + EAP_SAKE_ROOT_SECRET_LEN,
+		  EAP_SAKE_ROOT_SECRET_LEN);
+
+	return data;
+}
+
+
+static void eap_sake_deinit(struct eap_sm *sm, void *priv)
+{
+	struct eap_sake_data *data = priv;
+	os_free(data->serverid);
+	os_free(data->peerid);
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_sake_build_msg(struct eap_sake_data *data,
+					  int id, size_t length, u8 subtype)
+{
+	struct eap_sake_hdr *sake;
+	struct wpabuf *msg;
+	size_t plen;
+
+	plen = length + sizeof(struct eap_sake_hdr);
+
+	msg = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_SAKE, plen,
+			    EAP_CODE_RESPONSE, id);
+	if (msg == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-SAKE: Failed to allocate memory "
+			   "request");
+		return NULL;
+	}
+
+	sake = wpabuf_put(msg, sizeof(*sake));
+	sake->version = EAP_SAKE_VERSION;
+	sake->session_id = data->session_id;
+	sake->subtype = subtype;
+
+	return msg;
+}
+
+
+static struct wpabuf * eap_sake_process_identity(struct eap_sm *sm,
+						 struct eap_sake_data *data,
+						 struct eap_method_ret *ret,
+						 const struct wpabuf *reqData,
+						 const u8 *payload,
+						 size_t payload_len)
+{
+	struct eap_sake_parse_attr attr;
+	struct wpabuf *resp;
+
+	if (data->state != IDENTITY) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: Received Request/Identity");
+
+	if (eap_sake_parse_attributes(payload, payload_len, &attr))
+		return NULL;
+
+	if (!attr.perm_id_req && !attr.any_id_req) {
+		wpa_printf(MSG_INFO, "EAP-SAKE: No AT_PERM_ID_REQ or "
+			   "AT_ANY_ID_REQ in Request/Identity");
+		return NULL;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: Sending Response/Identity");
+
+	resp = eap_sake_build_msg(data, eap_get_id(reqData),
+				  2 + data->peerid_len,
+				  EAP_SAKE_SUBTYPE_IDENTITY);
+	if (resp == NULL)
+		return NULL;
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: * AT_PEERID");
+	eap_sake_add_attr(resp, EAP_SAKE_AT_PEERID,
+			  data->peerid, data->peerid_len);
+
+	eap_sake_state(data, CHALLENGE);
+
+	return resp;
+}
+
+
+static struct wpabuf * eap_sake_process_challenge(struct eap_sm *sm,
+						  struct eap_sake_data *data,
+						  struct eap_method_ret *ret,
+						  const struct wpabuf *reqData,
+						  const u8 *payload,
+						  size_t payload_len)
+{
+	struct eap_sake_parse_attr attr;
+	struct wpabuf *resp;
+	u8 *rpos;
+	size_t rlen;
+
+	if (data->state != IDENTITY && data->state != CHALLENGE) {
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Request/Challenge received "
+			   "in unexpected state (%d)", data->state);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+	if (data->state == IDENTITY)
+		eap_sake_state(data, CHALLENGE);
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: Received Request/Challenge");
+
+	if (eap_sake_parse_attributes(payload, payload_len, &attr))
+		return NULL;
+
+	if (!attr.rand_s) {
+		wpa_printf(MSG_INFO, "EAP-SAKE: Request/Challenge did not "
+			   "include AT_RAND_S");
+		return NULL;
+	}
+
+	os_memcpy(data->rand_s, attr.rand_s, EAP_SAKE_RAND_LEN);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-SAKE: RAND_S (server rand)",
+		    data->rand_s, EAP_SAKE_RAND_LEN);
+
+	if (random_get_bytes(data->rand_p, EAP_SAKE_RAND_LEN)) {
+		wpa_printf(MSG_ERROR, "EAP-SAKE: Failed to get random data");
+		return NULL;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "EAP-SAKE: RAND_P (peer rand)",
+		    data->rand_p, EAP_SAKE_RAND_LEN);
+
+	os_free(data->serverid);
+	data->serverid = NULL;
+	data->serverid_len = 0;
+	if (attr.serverid) {
+		wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-SAKE: SERVERID",
+				  attr.serverid, attr.serverid_len);
+		data->serverid = os_malloc(attr.serverid_len);
+		if (data->serverid == NULL)
+			return NULL;
+		os_memcpy(data->serverid, attr.serverid, attr.serverid_len);
+		data->serverid_len = attr.serverid_len;
+	}
+
+	eap_sake_derive_keys(data->root_secret_a, data->root_secret_b,
+			     data->rand_s, data->rand_p,
+			     (u8 *) &data->tek, data->msk, data->emsk);
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: Sending Response/Challenge");
+
+	rlen = 2 + EAP_SAKE_RAND_LEN + 2 + EAP_SAKE_MIC_LEN;
+	if (data->peerid)
+		rlen += 2 + data->peerid_len;
+	resp = eap_sake_build_msg(data, eap_get_id(reqData), rlen,
+				  EAP_SAKE_SUBTYPE_CHALLENGE);
+	if (resp == NULL)
+		return NULL;
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: * AT_RAND_P");
+	eap_sake_add_attr(resp, EAP_SAKE_AT_RAND_P,
+			  data->rand_p, EAP_SAKE_RAND_LEN);
+
+	if (data->peerid) {
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: * AT_PEERID");
+		eap_sake_add_attr(resp, EAP_SAKE_AT_PEERID,
+				  data->peerid, data->peerid_len);
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: * AT_MIC_P");
+	wpabuf_put_u8(resp, EAP_SAKE_AT_MIC_P);
+	wpabuf_put_u8(resp, 2 + EAP_SAKE_MIC_LEN);
+	rpos = wpabuf_put(resp, EAP_SAKE_MIC_LEN);
+	if (eap_sake_compute_mic(data->tek.auth, data->rand_s, data->rand_p,
+				 data->serverid, data->serverid_len,
+				 data->peerid, data->peerid_len, 1,
+				 wpabuf_head(resp), wpabuf_len(resp), rpos,
+				 rpos)) {
+		wpa_printf(MSG_INFO, "EAP-SAKE: Failed to compute MIC");
+		wpabuf_free(resp);
+		return NULL;
+	}
+
+	eap_sake_state(data, CONFIRM);
+
+	return resp;
+}
+
+
+static struct wpabuf * eap_sake_process_confirm(struct eap_sm *sm,
+						struct eap_sake_data *data,
+						struct eap_method_ret *ret,
+						const struct wpabuf *reqData,
+						const u8 *payload,
+						size_t payload_len)
+{
+	struct eap_sake_parse_attr attr;
+	u8 mic_s[EAP_SAKE_MIC_LEN];
+	struct wpabuf *resp;
+	u8 *rpos;
+
+	if (data->state != CONFIRM) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: Received Request/Confirm");
+
+	if (eap_sake_parse_attributes(payload, payload_len, &attr))
+		return NULL;
+
+	if (!attr.mic_s) {
+		wpa_printf(MSG_INFO, "EAP-SAKE: Request/Confirm did not "
+			   "include AT_MIC_S");
+		return NULL;
+	}
+
+	eap_sake_compute_mic(data->tek.auth, data->rand_s, data->rand_p,
+			     data->serverid, data->serverid_len,
+			     data->peerid, data->peerid_len, 0,
+			     wpabuf_head(reqData), wpabuf_len(reqData),
+			     attr.mic_s, mic_s);
+	if (os_memcmp(attr.mic_s, mic_s, EAP_SAKE_MIC_LEN) != 0) {
+		wpa_printf(MSG_INFO, "EAP-SAKE: Incorrect AT_MIC_S");
+		eap_sake_state(data, FAILURE);
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_FAIL;
+		ret->allowNotifications = FALSE;
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Sending "
+			   "Response/Auth-Reject");
+		return eap_sake_build_msg(data, eap_get_id(reqData), 0,
+					  EAP_SAKE_SUBTYPE_AUTH_REJECT);
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: Sending Response/Confirm");
+
+	resp = eap_sake_build_msg(data, eap_get_id(reqData),
+				  2 + EAP_SAKE_MIC_LEN,
+				  EAP_SAKE_SUBTYPE_CONFIRM);
+	if (resp == NULL)
+		return NULL;
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: * AT_MIC_P");
+	wpabuf_put_u8(resp, EAP_SAKE_AT_MIC_P);
+	wpabuf_put_u8(resp, 2 + EAP_SAKE_MIC_LEN);
+	rpos = wpabuf_put(resp, EAP_SAKE_MIC_LEN);
+	if (eap_sake_compute_mic(data->tek.auth, data->rand_s, data->rand_p,
+				 data->serverid, data->serverid_len,
+				 data->peerid, data->peerid_len, 1,
+				 wpabuf_head(resp), wpabuf_len(resp), rpos,
+				 rpos)) {
+		wpa_printf(MSG_INFO, "EAP-SAKE: Failed to compute MIC");
+		wpabuf_free(resp);
+		return NULL;
+	}
+
+	eap_sake_state(data, SUCCESS);
+	ret->methodState = METHOD_DONE;
+	ret->decision = DECISION_UNCOND_SUCC;
+	ret->allowNotifications = FALSE;
+
+	return resp;
+}
+
+
+static struct wpabuf * eap_sake_process(struct eap_sm *sm, void *priv,
+					struct eap_method_ret *ret,
+					const struct wpabuf *reqData)
+{
+	struct eap_sake_data *data = priv;
+	const struct eap_sake_hdr *req;
+	struct wpabuf *resp;
+	const u8 *pos, *end;
+	size_t len;
+	u8 subtype, session_id;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_SAKE, reqData, &len);
+	if (pos == NULL || len < sizeof(struct eap_sake_hdr)) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	req = (const struct eap_sake_hdr *) pos;
+	end = pos + len;
+	subtype = req->subtype;
+	session_id = req->session_id;
+	pos = (const u8 *) (req + 1);
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: Received frame: subtype %d "
+		   "session_id %d", subtype, session_id);
+	wpa_hexdump(MSG_DEBUG, "EAP-SAKE: Received attributes",
+		    pos, end - pos);
+
+	if (data->session_id_set && data->session_id != session_id) {
+		wpa_printf(MSG_INFO, "EAP-SAKE: Session ID mismatch (%d,%d)",
+			   session_id, data->session_id);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+	data->session_id = session_id;
+	data->session_id_set = 1;
+
+	ret->ignore = FALSE;
+	ret->methodState = METHOD_MAY_CONT;
+	ret->decision = DECISION_FAIL;
+	ret->allowNotifications = TRUE;
+
+	switch (subtype) {
+	case EAP_SAKE_SUBTYPE_IDENTITY:
+		resp = eap_sake_process_identity(sm, data, ret, reqData,
+						 pos, end - pos);
+		break;
+	case EAP_SAKE_SUBTYPE_CHALLENGE:
+		resp = eap_sake_process_challenge(sm, data, ret, reqData,
+						  pos, end - pos);
+		break;
+	case EAP_SAKE_SUBTYPE_CONFIRM:
+		resp = eap_sake_process_confirm(sm, data, ret, reqData,
+						pos, end - pos);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Ignoring message with "
+			   "unknown subtype %d", subtype);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (ret->methodState == METHOD_DONE)
+		ret->allowNotifications = FALSE;
+
+	return resp;
+}
+
+
+static Boolean eap_sake_isKeyAvailable(struct eap_sm *sm, void *priv)
+{
+	struct eap_sake_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+static u8 * eap_sake_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_sake_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_MSK_LEN);
+	if (key == NULL)
+		return NULL;
+	os_memcpy(key, data->msk, EAP_MSK_LEN);
+	*len = EAP_MSK_LEN;
+
+	return key;
+}
+
+
+static u8 * eap_sake_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_sake_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_EMSK_LEN);
+	if (key == NULL)
+		return NULL;
+	os_memcpy(key, data->emsk, EAP_EMSK_LEN);
+	*len = EAP_EMSK_LEN;
+
+	return key;
+}
+
+
+int eap_peer_sake_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_IETF, EAP_TYPE_SAKE, "SAKE");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_sake_init;
+	eap->deinit = eap_sake_deinit;
+	eap->process = eap_sake_process;
+	eap->isKeyAvailable = eap_sake_isKeyAvailable;
+	eap->getKey = eap_sake_getKey;
+	eap->get_emsk = eap_sake_get_emsk;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_peer/eap_sim.c b/src/eap_peer/eap_sim.c
new file mode 100644
index 0000000..6677063
--- /dev/null
+++ b/src/eap_peer/eap_sim.c
@@ -0,0 +1,1101 @@
+/*
+ * EAP peer method: EAP-SIM (RFC 4186)
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "pcsc_funcs.h"
+#include "crypto/milenage.h"
+#include "crypto/random.h"
+#include "eap_peer/eap_i.h"
+#include "eap_config.h"
+#include "eap_common/eap_sim_common.h"
+
+
+struct eap_sim_data {
+	u8 *ver_list;
+	size_t ver_list_len;
+	int selected_version;
+	size_t min_num_chal, num_chal;
+
+	u8 kc[3][EAP_SIM_KC_LEN];
+	u8 sres[3][EAP_SIM_SRES_LEN];
+	u8 nonce_mt[EAP_SIM_NONCE_MT_LEN], nonce_s[EAP_SIM_NONCE_S_LEN];
+	u8 mk[EAP_SIM_MK_LEN];
+	u8 k_aut[EAP_SIM_K_AUT_LEN];
+	u8 k_encr[EAP_SIM_K_ENCR_LEN];
+	u8 msk[EAP_SIM_KEYING_DATA_LEN];
+	u8 emsk[EAP_EMSK_LEN];
+	u8 rand[3][GSM_RAND_LEN];
+
+	int num_id_req, num_notification;
+	u8 *pseudonym;
+	size_t pseudonym_len;
+	u8 *reauth_id;
+	size_t reauth_id_len;
+	int reauth;
+	unsigned int counter, counter_too_small;
+	u8 *last_eap_identity;
+	size_t last_eap_identity_len;
+	enum {
+		CONTINUE, RESULT_SUCCESS, RESULT_FAILURE, SUCCESS, FAILURE
+	} state;
+	int result_ind, use_result_ind;
+};
+
+
+#ifndef CONFIG_NO_STDOUT_DEBUG
+static const char * eap_sim_state_txt(int state)
+{
+	switch (state) {
+	case CONTINUE:
+		return "CONTINUE";
+	case RESULT_SUCCESS:
+		return "RESULT_SUCCESS";
+	case RESULT_FAILURE:
+		return "RESULT_FAILURE";
+	case SUCCESS:
+		return "SUCCESS";
+	case FAILURE:
+		return "FAILURE";
+	default:
+		return "?";
+	}
+}
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+
+
+static void eap_sim_state(struct eap_sim_data *data, int state)
+{
+	wpa_printf(MSG_DEBUG, "EAP-SIM: %s -> %s",
+		   eap_sim_state_txt(data->state),
+		   eap_sim_state_txt(state));
+	data->state = state;
+}
+
+
+static void * eap_sim_init(struct eap_sm *sm)
+{
+	struct eap_sim_data *data;
+	struct eap_peer_config *config = eap_get_config(sm);
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+
+	if (random_get_bytes(data->nonce_mt, EAP_SIM_NONCE_MT_LEN)) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: Failed to get random data "
+			   "for NONCE_MT");
+		os_free(data);
+		return NULL;
+	}
+
+	data->min_num_chal = 2;
+	if (config && config->phase1) {
+		char *pos = os_strstr(config->phase1, "sim_min_num_chal=");
+		if (pos) {
+			data->min_num_chal = atoi(pos + 17);
+			if (data->min_num_chal < 2 || data->min_num_chal > 3) {
+				wpa_printf(MSG_WARNING, "EAP-SIM: Invalid "
+					   "sim_min_num_chal configuration "
+					   "(%lu, expected 2 or 3)",
+					   (unsigned long) data->min_num_chal);
+				os_free(data);
+				return NULL;
+			}
+			wpa_printf(MSG_DEBUG, "EAP-SIM: Set minimum number of "
+				   "challenges to %lu",
+				   (unsigned long) data->min_num_chal);
+		}
+
+		data->result_ind = os_strstr(config->phase1, "result_ind=1") !=
+			NULL;
+	}
+
+	eap_sim_state(data, CONTINUE);
+
+	return data;
+}
+
+
+static void eap_sim_deinit(struct eap_sm *sm, void *priv)
+{
+	struct eap_sim_data *data = priv;
+	if (data) {
+		os_free(data->ver_list);
+		os_free(data->pseudonym);
+		os_free(data->reauth_id);
+		os_free(data->last_eap_identity);
+		os_free(data);
+	}
+}
+
+
+static int eap_sim_gsm_auth(struct eap_sm *sm, struct eap_sim_data *data)
+{
+	struct eap_peer_config *conf;
+
+	wpa_printf(MSG_DEBUG, "EAP-SIM: GSM authentication algorithm");
+
+	conf = eap_get_config(sm);
+	if (conf == NULL)
+		return -1;
+	if (conf->pcsc) {
+		if (scard_gsm_auth(sm->scard_ctx, data->rand[0],
+				   data->sres[0], data->kc[0]) ||
+		    scard_gsm_auth(sm->scard_ctx, data->rand[1],
+				   data->sres[1], data->kc[1]) ||
+		    (data->num_chal > 2 &&
+		     scard_gsm_auth(sm->scard_ctx, data->rand[2],
+				    data->sres[2], data->kc[2]))) {
+			wpa_printf(MSG_DEBUG, "EAP-SIM: GSM SIM "
+				   "authentication could not be completed");
+			return -1;
+		}
+		return 0;
+	}
+
+#ifdef CONFIG_SIM_SIMULATOR
+	if (conf->password) {
+		u8 opc[16], k[16];
+		const char *pos;
+		size_t i;
+		wpa_printf(MSG_DEBUG, "EAP-SIM: Use internal GSM-Milenage "
+			   "implementation for authentication");
+		if (conf->password_len < 65) {
+			wpa_printf(MSG_DEBUG, "EAP-SIM: invalid GSM-Milenage "
+				   "password");
+			return -1;
+		}
+		pos = (const char *) conf->password;
+		if (hexstr2bin(pos, k, 16))
+			return -1;
+		pos += 32;
+		if (*pos != ':')
+			return -1;
+		pos++;
+
+		if (hexstr2bin(pos, opc, 16))
+			return -1;
+
+		for (i = 0; i < data->num_chal; i++) {
+			if (gsm_milenage(opc, k, data->rand[i],
+					 data->sres[i], data->kc[i])) {
+				wpa_printf(MSG_DEBUG, "EAP-SIM: "
+					   "GSM-Milenage authentication "
+					   "could not be completed");
+				return -1;
+			}
+			wpa_hexdump(MSG_DEBUG, "EAP-SIM: RAND",
+				    data->rand[i], GSM_RAND_LEN);
+			wpa_hexdump_key(MSG_DEBUG, "EAP-SIM: SRES",
+					data->sres[i], EAP_SIM_SRES_LEN);
+			wpa_hexdump_key(MSG_DEBUG, "EAP-SIM: Kc",
+					data->kc[i], EAP_SIM_KC_LEN);
+		}
+		return 0;
+	}
+#endif /* CONFIG_SIM_SIMULATOR */
+
+#ifdef CONFIG_SIM_HARDCODED
+	/* These hardcoded Kc and SRES values are used for testing. RAND to
+	 * KC/SREC mapping is very bogus as far as real authentication is
+	 * concerned, but it is quite useful for cases where the AS is rotating
+	 * the order of pre-configured values. */
+	{
+		size_t i;
+
+		wpa_printf(MSG_DEBUG, "EAP-SIM: Use hardcoded Kc and SRES "
+			   "values for testing");
+
+		for (i = 0; i < data->num_chal; i++) {
+			if (data->rand[i][0] == 0xaa) {
+				os_memcpy(data->kc[i],
+					  "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7",
+					  EAP_SIM_KC_LEN);
+				os_memcpy(data->sres[i], "\xd1\xd2\xd3\xd4",
+					  EAP_SIM_SRES_LEN);
+			} else if (data->rand[i][0] == 0xbb) {
+				os_memcpy(data->kc[i],
+					  "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7",
+					  EAP_SIM_KC_LEN);
+				os_memcpy(data->sres[i], "\xe1\xe2\xe3\xe4",
+					  EAP_SIM_SRES_LEN);
+			} else {
+				os_memcpy(data->kc[i],
+					  "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7",
+					  EAP_SIM_KC_LEN);
+				os_memcpy(data->sres[i], "\xf1\xf2\xf3\xf4",
+					  EAP_SIM_SRES_LEN);
+			}
+		}
+	}
+
+	return 0;
+
+#else /* CONFIG_SIM_HARDCODED */
+
+	wpa_printf(MSG_DEBUG, "EAP-SIM: No GSM authentication algorithm "
+		   "enabled");
+	return -1;
+
+#endif /* CONFIG_SIM_HARDCODED */
+}
+
+
+static int eap_sim_supported_ver(int version)
+{
+	return version == EAP_SIM_VERSION;
+}
+
+
+#define CLEAR_PSEUDONYM	0x01
+#define CLEAR_REAUTH_ID	0x02
+#define CLEAR_EAP_ID	0x04
+
+static void eap_sim_clear_identities(struct eap_sim_data *data, int id)
+{
+	wpa_printf(MSG_DEBUG, "EAP-SIM: forgetting old%s%s%s",
+		   id & CLEAR_PSEUDONYM ? " pseudonym" : "",
+		   id & CLEAR_REAUTH_ID ? " reauth_id" : "",
+		   id & CLEAR_EAP_ID ? " eap_id" : "");
+	if (id & CLEAR_PSEUDONYM) {
+		os_free(data->pseudonym);
+		data->pseudonym = NULL;
+		data->pseudonym_len = 0;
+	}
+	if (id & CLEAR_REAUTH_ID) {
+		os_free(data->reauth_id);
+		data->reauth_id = NULL;
+		data->reauth_id_len = 0;
+	}
+	if (id & CLEAR_EAP_ID) {
+		os_free(data->last_eap_identity);
+		data->last_eap_identity = NULL;
+		data->last_eap_identity_len = 0;
+	}
+}
+
+
+static int eap_sim_learn_ids(struct eap_sim_data *data,
+			     struct eap_sim_attrs *attr)
+{
+	if (attr->next_pseudonym) {
+		os_free(data->pseudonym);
+		data->pseudonym = os_malloc(attr->next_pseudonym_len);
+		if (data->pseudonym == NULL) {
+			wpa_printf(MSG_INFO, "EAP-SIM: (encr) No memory for "
+				   "next pseudonym");
+			return -1;
+		}
+		os_memcpy(data->pseudonym, attr->next_pseudonym,
+			  attr->next_pseudonym_len);
+		data->pseudonym_len = attr->next_pseudonym_len;
+		wpa_hexdump_ascii(MSG_DEBUG,
+				  "EAP-SIM: (encr) AT_NEXT_PSEUDONYM",
+				  data->pseudonym,
+				  data->pseudonym_len);
+	}
+
+	if (attr->next_reauth_id) {
+		os_free(data->reauth_id);
+		data->reauth_id = os_malloc(attr->next_reauth_id_len);
+		if (data->reauth_id == NULL) {
+			wpa_printf(MSG_INFO, "EAP-SIM: (encr) No memory for "
+				   "next reauth_id");
+			return -1;
+		}
+		os_memcpy(data->reauth_id, attr->next_reauth_id,
+			  attr->next_reauth_id_len);
+		data->reauth_id_len = attr->next_reauth_id_len;
+		wpa_hexdump_ascii(MSG_DEBUG,
+				  "EAP-SIM: (encr) AT_NEXT_REAUTH_ID",
+				  data->reauth_id,
+				  data->reauth_id_len);
+	}
+
+	return 0;
+}
+
+
+static struct wpabuf * eap_sim_client_error(struct eap_sim_data *data, u8 id,
+					    int err)
+{
+	struct eap_sim_msg *msg;
+
+	eap_sim_state(data, FAILURE);
+	data->num_id_req = 0;
+	data->num_notification = 0;
+
+	msg = eap_sim_msg_init(EAP_CODE_RESPONSE, id, EAP_TYPE_SIM,
+			       EAP_SIM_SUBTYPE_CLIENT_ERROR);
+	eap_sim_msg_add(msg, EAP_SIM_AT_CLIENT_ERROR_CODE, err, NULL, 0);
+	return eap_sim_msg_finish(msg, NULL, NULL, 0);
+}
+
+
+static struct wpabuf * eap_sim_response_start(struct eap_sm *sm,
+					      struct eap_sim_data *data, u8 id,
+					      enum eap_sim_id_req id_req)
+{
+	const u8 *identity = NULL;
+	size_t identity_len = 0;
+	struct eap_sim_msg *msg;
+
+	data->reauth = 0;
+	if (id_req == ANY_ID && data->reauth_id) {
+		identity = data->reauth_id;
+		identity_len = data->reauth_id_len;
+		data->reauth = 1;
+	} else if ((id_req == ANY_ID || id_req == FULLAUTH_ID) &&
+		   data->pseudonym) {
+		identity = data->pseudonym;
+		identity_len = data->pseudonym_len;
+		eap_sim_clear_identities(data, CLEAR_REAUTH_ID);
+	} else if (id_req != NO_ID_REQ) {
+		identity = eap_get_config_identity(sm, &identity_len);
+		if (identity) {
+			eap_sim_clear_identities(data, CLEAR_PSEUDONYM |
+						 CLEAR_REAUTH_ID);
+		}
+	}
+	if (id_req != NO_ID_REQ)
+		eap_sim_clear_identities(data, CLEAR_EAP_ID);
+
+	wpa_printf(MSG_DEBUG, "Generating EAP-SIM Start (id=%d)", id);
+	msg = eap_sim_msg_init(EAP_CODE_RESPONSE, id,
+			       EAP_TYPE_SIM, EAP_SIM_SUBTYPE_START);
+	if (!data->reauth) {
+		wpa_hexdump(MSG_DEBUG, "   AT_NONCE_MT",
+			    data->nonce_mt, EAP_SIM_NONCE_MT_LEN);
+		eap_sim_msg_add(msg, EAP_SIM_AT_NONCE_MT, 0,
+				data->nonce_mt, EAP_SIM_NONCE_MT_LEN);
+		wpa_printf(MSG_DEBUG, "   AT_SELECTED_VERSION %d",
+			   data->selected_version);
+		eap_sim_msg_add(msg, EAP_SIM_AT_SELECTED_VERSION,
+				data->selected_version, NULL, 0);
+	}
+
+	if (identity) {
+		wpa_hexdump_ascii(MSG_DEBUG, "   AT_IDENTITY",
+				  identity, identity_len);
+		eap_sim_msg_add(msg, EAP_SIM_AT_IDENTITY, identity_len,
+				identity, identity_len);
+	}
+
+	return eap_sim_msg_finish(msg, NULL, NULL, 0);
+}
+
+
+static struct wpabuf * eap_sim_response_challenge(struct eap_sim_data *data,
+						  u8 id)
+{
+	struct eap_sim_msg *msg;
+
+	wpa_printf(MSG_DEBUG, "Generating EAP-SIM Challenge (id=%d)", id);
+	msg = eap_sim_msg_init(EAP_CODE_RESPONSE, id, EAP_TYPE_SIM,
+			       EAP_SIM_SUBTYPE_CHALLENGE);
+	if (data->use_result_ind) {
+		wpa_printf(MSG_DEBUG, "   AT_RESULT_IND");
+		eap_sim_msg_add(msg, EAP_SIM_AT_RESULT_IND, 0, NULL, 0);
+	}
+	wpa_printf(MSG_DEBUG, "   AT_MAC");
+	eap_sim_msg_add_mac(msg, EAP_SIM_AT_MAC);
+	return eap_sim_msg_finish(msg, data->k_aut, (u8 *) data->sres,
+				  data->num_chal * EAP_SIM_SRES_LEN);
+}
+
+
+static struct wpabuf * eap_sim_response_reauth(struct eap_sim_data *data,
+					       u8 id, int counter_too_small)
+{
+	struct eap_sim_msg *msg;
+	unsigned int counter;
+
+	wpa_printf(MSG_DEBUG, "Generating EAP-SIM Reauthentication (id=%d)",
+		   id);
+	msg = eap_sim_msg_init(EAP_CODE_RESPONSE, id, EAP_TYPE_SIM,
+			       EAP_SIM_SUBTYPE_REAUTHENTICATION);
+	wpa_printf(MSG_DEBUG, "   AT_IV");
+	wpa_printf(MSG_DEBUG, "   AT_ENCR_DATA");
+	eap_sim_msg_add_encr_start(msg, EAP_SIM_AT_IV, EAP_SIM_AT_ENCR_DATA);
+
+	if (counter_too_small) {
+		wpa_printf(MSG_DEBUG, "   *AT_COUNTER_TOO_SMALL");
+		eap_sim_msg_add(msg, EAP_SIM_AT_COUNTER_TOO_SMALL, 0, NULL, 0);
+		counter = data->counter_too_small;
+	} else
+		counter = data->counter;
+
+	wpa_printf(MSG_DEBUG, "   *AT_COUNTER %d", counter);
+	eap_sim_msg_add(msg, EAP_SIM_AT_COUNTER, counter, NULL, 0);
+
+	if (eap_sim_msg_add_encr_end(msg, data->k_encr, EAP_SIM_AT_PADDING)) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: Failed to encrypt "
+			   "AT_ENCR_DATA");
+		eap_sim_msg_free(msg);
+		return NULL;
+	}
+	if (data->use_result_ind) {
+		wpa_printf(MSG_DEBUG, "   AT_RESULT_IND");
+		eap_sim_msg_add(msg, EAP_SIM_AT_RESULT_IND, 0, NULL, 0);
+	}
+	wpa_printf(MSG_DEBUG, "   AT_MAC");
+	eap_sim_msg_add_mac(msg, EAP_SIM_AT_MAC);
+	return eap_sim_msg_finish(msg, data->k_aut, data->nonce_s,
+				  EAP_SIM_NONCE_S_LEN);
+}
+
+
+static struct wpabuf * eap_sim_response_notification(struct eap_sim_data *data,
+						     u8 id, u16 notification)
+{
+	struct eap_sim_msg *msg;
+	u8 *k_aut = (notification & 0x4000) == 0 ? data->k_aut : NULL;
+
+	wpa_printf(MSG_DEBUG, "Generating EAP-SIM Notification (id=%d)", id);
+	msg = eap_sim_msg_init(EAP_CODE_RESPONSE, id,
+			       EAP_TYPE_SIM, EAP_SIM_SUBTYPE_NOTIFICATION);
+	if (k_aut && data->reauth) {
+		wpa_printf(MSG_DEBUG, "   AT_IV");
+		wpa_printf(MSG_DEBUG, "   AT_ENCR_DATA");
+		eap_sim_msg_add_encr_start(msg, EAP_SIM_AT_IV,
+					   EAP_SIM_AT_ENCR_DATA);
+		wpa_printf(MSG_DEBUG, "   *AT_COUNTER %d", data->counter);
+		eap_sim_msg_add(msg, EAP_SIM_AT_COUNTER, data->counter,
+				NULL, 0);
+		if (eap_sim_msg_add_encr_end(msg, data->k_encr,
+					     EAP_SIM_AT_PADDING)) {
+			wpa_printf(MSG_WARNING, "EAP-SIM: Failed to encrypt "
+				   "AT_ENCR_DATA");
+			eap_sim_msg_free(msg);
+			return NULL;
+		}
+	}
+	if (k_aut) {
+		wpa_printf(MSG_DEBUG, "   AT_MAC");
+		eap_sim_msg_add_mac(msg, EAP_SIM_AT_MAC);
+	}
+	return eap_sim_msg_finish(msg, k_aut, (u8 *) "", 0);
+}
+
+
+static struct wpabuf * eap_sim_process_start(struct eap_sm *sm,
+					     struct eap_sim_data *data, u8 id,
+					     struct eap_sim_attrs *attr)
+{
+	int selected_version = -1, id_error;
+	size_t i;
+	u8 *pos;
+
+	wpa_printf(MSG_DEBUG, "EAP-SIM: subtype Start");
+	if (attr->version_list == NULL) {
+		wpa_printf(MSG_INFO, "EAP-SIM: No AT_VERSION_LIST in "
+			   "SIM/Start");
+		return eap_sim_client_error(data, id,
+					    EAP_SIM_UNSUPPORTED_VERSION);
+	}
+
+	os_free(data->ver_list);
+	data->ver_list = os_malloc(attr->version_list_len);
+	if (data->ver_list == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-SIM: Failed to allocate "
+			   "memory for version list");
+		return eap_sim_client_error(data, id,
+					    EAP_SIM_UNABLE_TO_PROCESS_PACKET);
+	}
+	os_memcpy(data->ver_list, attr->version_list, attr->version_list_len);
+	data->ver_list_len = attr->version_list_len;
+	pos = data->ver_list;
+	for (i = 0; i < data->ver_list_len / 2; i++) {
+		int ver = pos[0] * 256 + pos[1];
+		pos += 2;
+		if (eap_sim_supported_ver(ver)) {
+			selected_version = ver;
+			break;
+		}
+	}
+	if (selected_version < 0) {
+		wpa_printf(MSG_INFO, "EAP-SIM: Could not find a supported "
+			   "version");
+		return eap_sim_client_error(data, id,
+					    EAP_SIM_UNSUPPORTED_VERSION);
+	}
+	wpa_printf(MSG_DEBUG, "EAP-SIM: Selected Version %d",
+		   selected_version);
+	data->selected_version = selected_version;
+
+	id_error = 0;
+	switch (attr->id_req) {
+	case NO_ID_REQ:
+		break;
+	case ANY_ID:
+		if (data->num_id_req > 0)
+			id_error++;
+		data->num_id_req++;
+		break;
+	case FULLAUTH_ID:
+		if (data->num_id_req > 1)
+			id_error++;
+		data->num_id_req++;
+		break;
+	case PERMANENT_ID:
+		if (data->num_id_req > 2)
+			id_error++;
+		data->num_id_req++;
+		break;
+	}
+	if (id_error) {
+		wpa_printf(MSG_INFO, "EAP-SIM: Too many ID requests "
+			   "used within one authentication");
+		return eap_sim_client_error(data, id,
+					    EAP_SIM_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	return eap_sim_response_start(sm, data, id, attr->id_req);
+}
+
+
+static struct wpabuf * eap_sim_process_challenge(struct eap_sm *sm,
+						 struct eap_sim_data *data,
+						 u8 id,
+						 const struct wpabuf *reqData,
+						 struct eap_sim_attrs *attr)
+{
+	const u8 *identity;
+	size_t identity_len;
+	struct eap_sim_attrs eattr;
+
+	wpa_printf(MSG_DEBUG, "EAP-SIM: subtype Challenge");
+	data->reauth = 0;
+	if (!attr->mac || !attr->rand) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: Challenge message "
+			   "did not include%s%s",
+			   !attr->mac ? " AT_MAC" : "",
+			   !attr->rand ? " AT_RAND" : "");
+		return eap_sim_client_error(data, id,
+					    EAP_SIM_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-SIM: %lu challenges",
+		   (unsigned long) attr->num_chal);
+	if (attr->num_chal < data->min_num_chal) {
+		wpa_printf(MSG_INFO, "EAP-SIM: Insufficient number of "
+			   "challenges (%lu)", (unsigned long) attr->num_chal);
+		return eap_sim_client_error(data, id,
+					    EAP_SIM_INSUFFICIENT_NUM_OF_CHAL);
+	}
+	if (attr->num_chal > 3) {
+		wpa_printf(MSG_INFO, "EAP-SIM: Too many challenges "
+			   "(%lu)", (unsigned long) attr->num_chal);
+		return eap_sim_client_error(data, id,
+					    EAP_SIM_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	/* Verify that RANDs are different */
+	if (os_memcmp(attr->rand, attr->rand + GSM_RAND_LEN,
+		   GSM_RAND_LEN) == 0 ||
+	    (attr->num_chal > 2 &&
+	     (os_memcmp(attr->rand, attr->rand + 2 * GSM_RAND_LEN,
+			GSM_RAND_LEN) == 0 ||
+	      os_memcmp(attr->rand + GSM_RAND_LEN,
+			attr->rand + 2 * GSM_RAND_LEN,
+			GSM_RAND_LEN) == 0))) {
+		wpa_printf(MSG_INFO, "EAP-SIM: Same RAND used multiple times");
+		return eap_sim_client_error(data, id,
+					    EAP_SIM_RAND_NOT_FRESH);
+	}
+
+	os_memcpy(data->rand, attr->rand, attr->num_chal * GSM_RAND_LEN);
+	data->num_chal = attr->num_chal;
+		
+	if (eap_sim_gsm_auth(sm, data)) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: GSM authentication failed");
+		return eap_sim_client_error(data, id,
+					    EAP_SIM_UNABLE_TO_PROCESS_PACKET);
+	}
+	if (data->last_eap_identity) {
+		identity = data->last_eap_identity;
+		identity_len = data->last_eap_identity_len;
+	} else if (data->pseudonym) {
+		identity = data->pseudonym;
+		identity_len = data->pseudonym_len;
+	} else
+		identity = eap_get_config_identity(sm, &identity_len);
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-SIM: Selected identity for MK "
+			  "derivation", identity, identity_len);
+	eap_sim_derive_mk(identity, identity_len, data->nonce_mt,
+			  data->selected_version, data->ver_list,
+			  data->ver_list_len, data->num_chal,
+			  (const u8 *) data->kc, data->mk);
+	eap_sim_derive_keys(data->mk, data->k_encr, data->k_aut, data->msk,
+			    data->emsk);
+	if (eap_sim_verify_mac(data->k_aut, reqData, attr->mac, data->nonce_mt,
+			       EAP_SIM_NONCE_MT_LEN)) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: Challenge message "
+			   "used invalid AT_MAC");
+		return eap_sim_client_error(data, id,
+					    EAP_SIM_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	/* Old reauthentication and pseudonym identities must not be used
+	 * anymore. In other words, if no new identities are received, full
+	 * authentication will be used on next reauthentication. */
+	eap_sim_clear_identities(data, CLEAR_PSEUDONYM | CLEAR_REAUTH_ID |
+				 CLEAR_EAP_ID);
+
+	if (attr->encr_data) {
+		u8 *decrypted;
+		decrypted = eap_sim_parse_encr(data->k_encr, attr->encr_data,
+					       attr->encr_data_len, attr->iv,
+					       &eattr, 0);
+		if (decrypted == NULL) {
+			return eap_sim_client_error(
+				data, id, EAP_SIM_UNABLE_TO_PROCESS_PACKET);
+		}
+		eap_sim_learn_ids(data, &eattr);
+		os_free(decrypted);
+	}
+
+	if (data->result_ind && attr->result_ind)
+		data->use_result_ind = 1;
+
+	if (data->state != FAILURE && data->state != RESULT_FAILURE) {
+		eap_sim_state(data, data->use_result_ind ?
+			      RESULT_SUCCESS : SUCCESS);
+	}
+
+	data->num_id_req = 0;
+	data->num_notification = 0;
+	/* RFC 4186 specifies that counter is initialized to one after
+	 * fullauth, but initializing it to zero makes it easier to implement
+	 * reauth verification. */
+	data->counter = 0;
+	return eap_sim_response_challenge(data, id);
+}
+
+
+static int eap_sim_process_notification_reauth(struct eap_sim_data *data,
+					       struct eap_sim_attrs *attr)
+{
+	struct eap_sim_attrs eattr;
+	u8 *decrypted;
+
+	if (attr->encr_data == NULL || attr->iv == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: Notification message after "
+			   "reauth did not include encrypted data");
+		return -1;
+	}
+
+	decrypted = eap_sim_parse_encr(data->k_encr, attr->encr_data,
+				       attr->encr_data_len, attr->iv, &eattr,
+				       0);
+	if (decrypted == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: Failed to parse encrypted "
+			   "data from notification message");
+		return -1;
+	}
+
+	if (eattr.counter < 0 || (size_t) eattr.counter != data->counter) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: Counter in notification "
+			   "message does not match with counter in reauth "
+			   "message");
+		os_free(decrypted);
+		return -1;
+	}
+
+	os_free(decrypted);
+	return 0;
+}
+
+
+static int eap_sim_process_notification_auth(struct eap_sim_data *data,
+					     const struct wpabuf *reqData,
+					     struct eap_sim_attrs *attr)
+{
+	if (attr->mac == NULL) {
+		wpa_printf(MSG_INFO, "EAP-SIM: no AT_MAC in after_auth "
+			   "Notification message");
+		return -1;
+	}
+
+	if (eap_sim_verify_mac(data->k_aut, reqData, attr->mac, (u8 *) "", 0))
+	{
+		wpa_printf(MSG_WARNING, "EAP-SIM: Notification message "
+			   "used invalid AT_MAC");
+		return -1;
+	}
+
+	if (data->reauth &&
+	    eap_sim_process_notification_reauth(data, attr)) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: Invalid notification "
+			   "message after reauth");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static struct wpabuf * eap_sim_process_notification(
+	struct eap_sm *sm, struct eap_sim_data *data, u8 id,
+	const struct wpabuf *reqData, struct eap_sim_attrs *attr)
+{
+	wpa_printf(MSG_DEBUG, "EAP-SIM: subtype Notification");
+	if (data->num_notification > 0) {
+		wpa_printf(MSG_INFO, "EAP-SIM: too many notification "
+			   "rounds (only one allowed)");
+		return eap_sim_client_error(data, id,
+					    EAP_SIM_UNABLE_TO_PROCESS_PACKET);
+	}
+	data->num_notification++;
+	if (attr->notification == -1) {
+		wpa_printf(MSG_INFO, "EAP-SIM: no AT_NOTIFICATION in "
+			   "Notification message");
+		return eap_sim_client_error(data, id,
+					    EAP_SIM_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	if ((attr->notification & 0x4000) == 0 &&
+	    eap_sim_process_notification_auth(data, reqData, attr)) {
+		return eap_sim_client_error(data, id,
+					    EAP_SIM_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	eap_sim_report_notification(sm->msg_ctx, attr->notification, 0);
+	if (attr->notification >= 0 && attr->notification < 32768) {
+		eap_sim_state(data, FAILURE);
+	} else if (attr->notification == EAP_SIM_SUCCESS &&
+		   data->state == RESULT_SUCCESS)
+		eap_sim_state(data, SUCCESS);
+	return eap_sim_response_notification(data, id, attr->notification);
+}
+
+
+static struct wpabuf * eap_sim_process_reauthentication(
+	struct eap_sm *sm, struct eap_sim_data *data, u8 id,
+	const struct wpabuf *reqData, struct eap_sim_attrs *attr)
+{
+	struct eap_sim_attrs eattr;
+	u8 *decrypted;
+
+	wpa_printf(MSG_DEBUG, "EAP-SIM: subtype Reauthentication");
+
+	if (data->reauth_id == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: Server is trying "
+			   "reauthentication, but no reauth_id available");
+		return eap_sim_client_error(data, id,
+					    EAP_SIM_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	data->reauth = 1;
+	if (eap_sim_verify_mac(data->k_aut, reqData, attr->mac, (u8 *) "", 0))
+	{
+		wpa_printf(MSG_WARNING, "EAP-SIM: Reauthentication "
+			   "did not have valid AT_MAC");
+		return eap_sim_client_error(data, id,
+					    EAP_SIM_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	if (attr->encr_data == NULL || attr->iv == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: Reauthentication "
+			   "message did not include encrypted data");
+		return eap_sim_client_error(data, id,
+					    EAP_SIM_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	decrypted = eap_sim_parse_encr(data->k_encr, attr->encr_data,
+				       attr->encr_data_len, attr->iv, &eattr,
+				       0);
+	if (decrypted == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: Failed to parse encrypted "
+			   "data from reauthentication message");
+		return eap_sim_client_error(data, id,
+					    EAP_SIM_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	if (eattr.nonce_s == NULL || eattr.counter < 0) {
+		wpa_printf(MSG_INFO, "EAP-SIM: (encr) No%s%s in reauth packet",
+			   !eattr.nonce_s ? " AT_NONCE_S" : "",
+			   eattr.counter < 0 ? " AT_COUNTER" : "");
+		os_free(decrypted);
+		return eap_sim_client_error(data, id,
+					    EAP_SIM_UNABLE_TO_PROCESS_PACKET);
+	}
+
+	if (eattr.counter < 0 || (size_t) eattr.counter <= data->counter) {
+		wpa_printf(MSG_INFO, "EAP-SIM: (encr) Invalid counter "
+			   "(%d <= %d)", eattr.counter, data->counter);
+		data->counter_too_small = eattr.counter;
+		/* Reply using Re-auth w/ AT_COUNTER_TOO_SMALL. The current
+		 * reauth_id must not be used to start a new reauthentication.
+		 * However, since it was used in the last EAP-Response-Identity
+		 * packet, it has to saved for the following fullauth to be
+		 * used in MK derivation. */
+		os_free(data->last_eap_identity);
+		data->last_eap_identity = data->reauth_id;
+		data->last_eap_identity_len = data->reauth_id_len;
+		data->reauth_id = NULL;
+		data->reauth_id_len = 0;
+		os_free(decrypted);
+		return eap_sim_response_reauth(data, id, 1);
+	}
+	data->counter = eattr.counter;
+
+	os_memcpy(data->nonce_s, eattr.nonce_s, EAP_SIM_NONCE_S_LEN);
+	wpa_hexdump(MSG_DEBUG, "EAP-SIM: (encr) AT_NONCE_S",
+		    data->nonce_s, EAP_SIM_NONCE_S_LEN);
+
+	eap_sim_derive_keys_reauth(data->counter,
+				   data->reauth_id, data->reauth_id_len,
+				   data->nonce_s, data->mk, data->msk,
+				   data->emsk);
+	eap_sim_clear_identities(data, CLEAR_REAUTH_ID | CLEAR_EAP_ID);
+	eap_sim_learn_ids(data, &eattr);
+
+	if (data->result_ind && attr->result_ind)
+		data->use_result_ind = 1;
+
+	if (data->state != FAILURE && data->state != RESULT_FAILURE) {
+		eap_sim_state(data, data->use_result_ind ?
+			      RESULT_SUCCESS : SUCCESS);
+	}
+
+	data->num_id_req = 0;
+	data->num_notification = 0;
+	if (data->counter > EAP_SIM_MAX_FAST_REAUTHS) {
+		wpa_printf(MSG_DEBUG, "EAP-SIM: Maximum number of "
+			   "fast reauths performed - force fullauth");
+		eap_sim_clear_identities(data, CLEAR_REAUTH_ID | CLEAR_EAP_ID);
+	}
+	os_free(decrypted);
+	return eap_sim_response_reauth(data, id, 0);
+}
+
+
+static struct wpabuf * eap_sim_process(struct eap_sm *sm, void *priv,
+				       struct eap_method_ret *ret,
+				       const struct wpabuf *reqData)
+{
+	struct eap_sim_data *data = priv;
+	const struct eap_hdr *req;
+	u8 subtype, id;
+	struct wpabuf *res;
+	const u8 *pos;
+	struct eap_sim_attrs attr;
+	size_t len;
+
+	wpa_hexdump_buf(MSG_DEBUG, "EAP-SIM: EAP data", reqData);
+	if (eap_get_config_identity(sm, &len) == NULL) {
+		wpa_printf(MSG_INFO, "EAP-SIM: Identity not configured");
+		eap_sm_request_identity(sm);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_SIM, reqData, &len);
+	if (pos == NULL || len < 1) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+	req = wpabuf_head(reqData);
+	id = req->identifier;
+	len = be_to_host16(req->length);
+
+	ret->ignore = FALSE;
+	ret->methodState = METHOD_MAY_CONT;
+	ret->decision = DECISION_FAIL;
+	ret->allowNotifications = TRUE;
+
+	subtype = *pos++;
+	wpa_printf(MSG_DEBUG, "EAP-SIM: Subtype=%d", subtype);
+	pos += 2; /* Reserved */
+
+	if (eap_sim_parse_attr(pos, wpabuf_head_u8(reqData) + len, &attr, 0,
+			       0)) {
+		res = eap_sim_client_error(data, id,
+					   EAP_SIM_UNABLE_TO_PROCESS_PACKET);
+		goto done;
+	}
+
+	switch (subtype) {
+	case EAP_SIM_SUBTYPE_START:
+		res = eap_sim_process_start(sm, data, id, &attr);
+		break;
+	case EAP_SIM_SUBTYPE_CHALLENGE:
+		res = eap_sim_process_challenge(sm, data, id, reqData, &attr);
+		break;
+	case EAP_SIM_SUBTYPE_NOTIFICATION:
+		res = eap_sim_process_notification(sm, data, id, reqData,
+						   &attr);
+		break;
+	case EAP_SIM_SUBTYPE_REAUTHENTICATION:
+		res = eap_sim_process_reauthentication(sm, data, id, reqData,
+						       &attr);
+		break;
+	case EAP_SIM_SUBTYPE_CLIENT_ERROR:
+		wpa_printf(MSG_DEBUG, "EAP-SIM: subtype Client-Error");
+		res = eap_sim_client_error(data, id,
+					   EAP_SIM_UNABLE_TO_PROCESS_PACKET);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-SIM: Unknown subtype=%d", subtype);
+		res = eap_sim_client_error(data, id,
+					   EAP_SIM_UNABLE_TO_PROCESS_PACKET);
+		break;
+	}
+
+done:
+	if (data->state == FAILURE) {
+		ret->decision = DECISION_FAIL;
+		ret->methodState = METHOD_DONE;
+	} else if (data->state == SUCCESS) {
+		ret->decision = data->use_result_ind ?
+			DECISION_UNCOND_SUCC : DECISION_COND_SUCC;
+		ret->methodState = data->use_result_ind ?
+			METHOD_DONE : METHOD_MAY_CONT;
+	} else if (data->state == RESULT_FAILURE)
+		ret->methodState = METHOD_CONT;
+	else if (data->state == RESULT_SUCCESS)
+		ret->methodState = METHOD_CONT;
+
+	if (ret->methodState == METHOD_DONE) {
+		ret->allowNotifications = FALSE;
+	}
+
+	return res;
+}
+
+
+static Boolean eap_sim_has_reauth_data(struct eap_sm *sm, void *priv)
+{
+	struct eap_sim_data *data = priv;
+	return data->pseudonym || data->reauth_id;
+}
+
+
+static void eap_sim_deinit_for_reauth(struct eap_sm *sm, void *priv)
+{
+	struct eap_sim_data *data = priv;
+	eap_sim_clear_identities(data, CLEAR_EAP_ID);
+	data->use_result_ind = 0;
+}
+
+
+static void * eap_sim_init_for_reauth(struct eap_sm *sm, void *priv)
+{
+	struct eap_sim_data *data = priv;
+	if (random_get_bytes(data->nonce_mt, EAP_SIM_NONCE_MT_LEN)) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: Failed to get random data "
+			   "for NONCE_MT");
+		os_free(data);
+		return NULL;
+	}
+	data->num_id_req = 0;
+	data->num_notification = 0;
+	eap_sim_state(data, CONTINUE);
+	return priv;
+}
+
+
+static const u8 * eap_sim_get_identity(struct eap_sm *sm, void *priv,
+				       size_t *len)
+{
+	struct eap_sim_data *data = priv;
+
+	if (data->reauth_id) {
+		*len = data->reauth_id_len;
+		return data->reauth_id;
+	}
+
+	if (data->pseudonym) {
+		*len = data->pseudonym_len;
+		return data->pseudonym;
+	}
+
+	return NULL;
+}
+
+
+static Boolean eap_sim_isKeyAvailable(struct eap_sm *sm, void *priv)
+{
+	struct eap_sim_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+static u8 * eap_sim_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_sim_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_SIM_KEYING_DATA_LEN);
+	if (key == NULL)
+		return NULL;
+
+	*len = EAP_SIM_KEYING_DATA_LEN;
+	os_memcpy(key, data->msk, EAP_SIM_KEYING_DATA_LEN);
+
+	return key;
+}
+
+
+static u8 * eap_sim_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_sim_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_EMSK_LEN);
+	if (key == NULL)
+		return NULL;
+
+	*len = EAP_EMSK_LEN;
+	os_memcpy(key, data->emsk, EAP_EMSK_LEN);
+
+	return key;
+}
+
+
+int eap_peer_sim_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_IETF, EAP_TYPE_SIM, "SIM");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_sim_init;
+	eap->deinit = eap_sim_deinit;
+	eap->process = eap_sim_process;
+	eap->isKeyAvailable = eap_sim_isKeyAvailable;
+	eap->getKey = eap_sim_getKey;
+	eap->has_reauth_data = eap_sim_has_reauth_data;
+	eap->deinit_for_reauth = eap_sim_deinit_for_reauth;
+	eap->init_for_reauth = eap_sim_init_for_reauth;
+	eap->get_identity = eap_sim_get_identity;
+	eap->get_emsk = eap_sim_get_emsk;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_peer/eap_tls.c b/src/eap_peer/eap_tls.c
new file mode 100644
index 0000000..20b2212
--- /dev/null
+++ b/src/eap_peer/eap_tls.c
@@ -0,0 +1,289 @@
+/*
+ * EAP peer method: EAP-TLS (RFC 2716)
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/tls.h"
+#include "eap_i.h"
+#include "eap_tls_common.h"
+#include "eap_config.h"
+
+
+static void eap_tls_deinit(struct eap_sm *sm, void *priv);
+
+
+struct eap_tls_data {
+	struct eap_ssl_data ssl;
+	u8 *key_data;
+};
+
+
+static void * eap_tls_init(struct eap_sm *sm)
+{
+	struct eap_tls_data *data;
+	struct eap_peer_config *config = eap_get_config(sm);
+	if (config == NULL ||
+	    ((sm->init_phase2 ? config->private_key2 : config->private_key)
+	     == NULL &&
+	     (sm->init_phase2 ? config->engine2 : config->engine) == 0)) {
+		wpa_printf(MSG_INFO, "EAP-TLS: Private key not configured");
+		return NULL;
+	}
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+
+	if (eap_peer_tls_ssl_init(sm, &data->ssl, config)) {
+		wpa_printf(MSG_INFO, "EAP-TLS: Failed to initialize SSL.");
+		eap_tls_deinit(sm, data);
+		if (config->engine) {
+			wpa_printf(MSG_DEBUG, "EAP-TLS: Requesting Smartcard "
+				   "PIN");
+			eap_sm_request_pin(sm);
+			sm->ignore = TRUE;
+		} else if (config->private_key && !config->private_key_passwd)
+		{
+			wpa_printf(MSG_DEBUG, "EAP-TLS: Requesting private "
+				   "key passphrase");
+			eap_sm_request_passphrase(sm);
+			sm->ignore = TRUE;
+		}
+		return NULL;
+	}
+
+	return data;
+}
+
+
+static void eap_tls_deinit(struct eap_sm *sm, void *priv)
+{
+	struct eap_tls_data *data = priv;
+	if (data == NULL)
+		return;
+	eap_peer_tls_ssl_deinit(sm, &data->ssl);
+	os_free(data->key_data);
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_tls_failure(struct eap_sm *sm,
+				       struct eap_tls_data *data,
+				       struct eap_method_ret *ret, int res,
+				       struct wpabuf *resp, u8 id)
+{
+	wpa_printf(MSG_DEBUG, "EAP-TLS: TLS processing failed");
+
+	ret->methodState = METHOD_DONE;
+	ret->decision = DECISION_FAIL;
+
+	if (res == -1) {
+		struct eap_peer_config *config = eap_get_config(sm);
+		if (config) {
+			/*
+			 * The TLS handshake failed. So better forget the old
+			 * PIN. It may be wrong, we cannot be sure but trying
+			 * the wrong one again might block it on the card--so
+			 * better ask the user again.
+			 */
+			os_free(config->pin);
+			config->pin = NULL;
+		}
+	}
+
+	if (resp) {
+		/*
+		 * This is likely an alert message, so send it instead of just
+		 * ACKing the error.
+		 */
+		return resp;
+	}
+
+	return eap_peer_tls_build_ack(id, EAP_TYPE_TLS, 0);
+}
+
+
+static void eap_tls_success(struct eap_sm *sm, struct eap_tls_data *data,
+			    struct eap_method_ret *ret)
+{
+	wpa_printf(MSG_DEBUG, "EAP-TLS: Done");
+
+	ret->methodState = METHOD_DONE;
+	ret->decision = DECISION_UNCOND_SUCC;
+
+	os_free(data->key_data);
+	data->key_data = eap_peer_tls_derive_key(sm, &data->ssl,
+						 "client EAP encryption",
+						 EAP_TLS_KEY_LEN +
+						 EAP_EMSK_LEN);
+	if (data->key_data) {
+		wpa_hexdump_key(MSG_DEBUG, "EAP-TLS: Derived key",
+				data->key_data, EAP_TLS_KEY_LEN);
+		wpa_hexdump_key(MSG_DEBUG, "EAP-TLS: Derived EMSK",
+				data->key_data + EAP_TLS_KEY_LEN,
+				EAP_EMSK_LEN);
+	} else {
+		wpa_printf(MSG_INFO, "EAP-TLS: Failed to derive key");
+	}
+}
+
+
+static struct wpabuf * eap_tls_process(struct eap_sm *sm, void *priv,
+				       struct eap_method_ret *ret,
+				       const struct wpabuf *reqData)
+{
+	size_t left;
+	int res;
+	struct wpabuf *resp;
+	u8 flags, id;
+	const u8 *pos;
+	struct eap_tls_data *data = priv;
+
+	pos = eap_peer_tls_process_init(sm, &data->ssl, EAP_TYPE_TLS, ret,
+					reqData, &left, &flags);
+	if (pos == NULL)
+		return NULL;
+	id = eap_get_id(reqData);
+
+	if (flags & EAP_TLS_FLAGS_START) {
+		wpa_printf(MSG_DEBUG, "EAP-TLS: Start");
+		left = 0; /* make sure that this frame is empty, even though it
+			   * should always be, anyway */
+	}
+
+	resp = NULL;
+	res = eap_peer_tls_process_helper(sm, &data->ssl, EAP_TYPE_TLS, 0, id,
+					  pos, left, &resp);
+
+	if (res < 0) {
+		return eap_tls_failure(sm, data, ret, res, resp, id);
+	}
+
+	if (tls_connection_established(sm->ssl_ctx, data->ssl.conn))
+		eap_tls_success(sm, data, ret);
+
+	if (res == 1) {
+		wpabuf_free(resp);
+		return eap_peer_tls_build_ack(id, EAP_TYPE_TLS, 0);
+	}
+
+	return resp;
+}
+
+
+static Boolean eap_tls_has_reauth_data(struct eap_sm *sm, void *priv)
+{
+	struct eap_tls_data *data = priv;
+	return tls_connection_established(sm->ssl_ctx, data->ssl.conn);
+}
+
+
+static void eap_tls_deinit_for_reauth(struct eap_sm *sm, void *priv)
+{
+}
+
+
+static void * eap_tls_init_for_reauth(struct eap_sm *sm, void *priv)
+{
+	struct eap_tls_data *data = priv;
+	os_free(data->key_data);
+	data->key_data = NULL;
+	if (eap_peer_tls_reauth_init(sm, &data->ssl)) {
+		os_free(data);
+		return NULL;
+	}
+	return priv;
+}
+
+
+static int eap_tls_get_status(struct eap_sm *sm, void *priv, char *buf,
+			      size_t buflen, int verbose)
+{
+	struct eap_tls_data *data = priv;
+	return eap_peer_tls_status(sm, &data->ssl, buf, buflen, verbose);
+}
+
+
+static Boolean eap_tls_isKeyAvailable(struct eap_sm *sm, void *priv)
+{
+	struct eap_tls_data *data = priv;
+	return data->key_data != NULL;
+}
+
+
+static u8 * eap_tls_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_tls_data *data = priv;
+	u8 *key;
+
+	if (data->key_data == NULL)
+		return NULL;
+
+	key = os_malloc(EAP_TLS_KEY_LEN);
+	if (key == NULL)
+		return NULL;
+
+	*len = EAP_TLS_KEY_LEN;
+	os_memcpy(key, data->key_data, EAP_TLS_KEY_LEN);
+
+	return key;
+}
+
+
+static u8 * eap_tls_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_tls_data *data = priv;
+	u8 *key;
+
+	if (data->key_data == NULL)
+		return NULL;
+
+	key = os_malloc(EAP_EMSK_LEN);
+	if (key == NULL)
+		return NULL;
+
+	*len = EAP_EMSK_LEN;
+	os_memcpy(key, data->key_data + EAP_TLS_KEY_LEN, EAP_EMSK_LEN);
+
+	return key;
+}
+
+
+int eap_peer_tls_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_IETF, EAP_TYPE_TLS, "TLS");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_tls_init;
+	eap->deinit = eap_tls_deinit;
+	eap->process = eap_tls_process;
+	eap->isKeyAvailable = eap_tls_isKeyAvailable;
+	eap->getKey = eap_tls_getKey;
+	eap->get_status = eap_tls_get_status;
+	eap->has_reauth_data = eap_tls_has_reauth_data;
+	eap->deinit_for_reauth = eap_tls_deinit_for_reauth;
+	eap->init_for_reauth = eap_tls_init_for_reauth;
+	eap->get_emsk = eap_tls_get_emsk;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_peer/eap_tls_common.c b/src/eap_peer/eap_tls_common.c
new file mode 100644
index 0000000..d1567e9
--- /dev/null
+++ b/src/eap_peer/eap_tls_common.c
@@ -0,0 +1,1021 @@
+/*
+ * EAP peer: EAP-TLS/PEAP/TTLS/FAST common functions
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/sha1.h"
+#include "crypto/tls.h"
+#include "eap_i.h"
+#include "eap_tls_common.h"
+#include "eap_config.h"
+
+
+static int eap_tls_check_blob(struct eap_sm *sm, const char **name,
+			      const u8 **data, size_t *data_len)
+{
+	const struct wpa_config_blob *blob;
+
+	if (*name == NULL || os_strncmp(*name, "blob://", 7) != 0)
+		return 0;
+
+	blob = eap_get_config_blob(sm, *name + 7);
+	if (blob == NULL) {
+		wpa_printf(MSG_ERROR, "%s: Named configuration blob '%s' not "
+			   "found", __func__, *name + 7);
+		return -1;
+	}
+
+	*name = NULL;
+	*data = blob->data;
+	*data_len = blob->len;
+
+	return 0;
+}
+
+
+static void eap_tls_params_flags(struct tls_connection_params *params,
+				 const char *txt)
+{
+	if (txt == NULL)
+		return;
+	if (os_strstr(txt, "tls_allow_md5=1"))
+		params->flags |= TLS_CONN_ALLOW_SIGN_RSA_MD5;
+	if (os_strstr(txt, "tls_disable_time_checks=1"))
+		params->flags |= TLS_CONN_DISABLE_TIME_CHECKS;
+}
+
+
+static void eap_tls_params_from_conf1(struct tls_connection_params *params,
+				      struct eap_peer_config *config)
+{
+	params->ca_cert = (char *) config->ca_cert;
+	params->ca_path = (char *) config->ca_path;
+	params->client_cert = (char *) config->client_cert;
+	params->private_key = (char *) config->private_key;
+	params->private_key_passwd = (char *) config->private_key_passwd;
+	params->dh_file = (char *) config->dh_file;
+	params->subject_match = (char *) config->subject_match;
+	params->altsubject_match = (char *) config->altsubject_match;
+	params->engine = config->engine;
+	params->engine_id = config->engine_id;
+	params->pin = config->pin;
+	params->key_id = config->key_id;
+	params->cert_id = config->cert_id;
+	params->ca_cert_id = config->ca_cert_id;
+	eap_tls_params_flags(params, config->phase1);
+}
+
+
+static void eap_tls_params_from_conf2(struct tls_connection_params *params,
+				      struct eap_peer_config *config)
+{
+	params->ca_cert = (char *) config->ca_cert2;
+	params->ca_path = (char *) config->ca_path2;
+	params->client_cert = (char *) config->client_cert2;
+	params->private_key = (char *) config->private_key2;
+	params->private_key_passwd = (char *) config->private_key2_passwd;
+	params->dh_file = (char *) config->dh_file2;
+	params->subject_match = (char *) config->subject_match2;
+	params->altsubject_match = (char *) config->altsubject_match2;
+	params->engine = config->engine2;
+	params->engine_id = config->engine2_id;
+	params->pin = config->pin2;
+	params->key_id = config->key2_id;
+	params->cert_id = config->cert2_id;
+	params->ca_cert_id = config->ca_cert2_id;
+	eap_tls_params_flags(params, config->phase2);
+}
+
+
+static int eap_tls_params_from_conf(struct eap_sm *sm,
+				    struct eap_ssl_data *data,
+				    struct tls_connection_params *params,
+				    struct eap_peer_config *config, int phase2)
+{
+	os_memset(params, 0, sizeof(*params));
+	if (phase2) {
+		wpa_printf(MSG_DEBUG, "TLS: using phase2 config options");
+		eap_tls_params_from_conf2(params, config);
+	} else {
+		wpa_printf(MSG_DEBUG, "TLS: using phase1 config options");
+		eap_tls_params_from_conf1(params, config);
+	}
+	params->tls_ia = data->tls_ia;
+
+	/*
+	 * Use blob data, if available. Otherwise, leave reference to external
+	 * file as-is.
+	 */
+	if (eap_tls_check_blob(sm, &params->ca_cert, &params->ca_cert_blob,
+			       &params->ca_cert_blob_len) ||
+	    eap_tls_check_blob(sm, &params->client_cert,
+			       &params->client_cert_blob,
+			       &params->client_cert_blob_len) ||
+	    eap_tls_check_blob(sm, &params->private_key,
+			       &params->private_key_blob,
+			       &params->private_key_blob_len) ||
+	    eap_tls_check_blob(sm, &params->dh_file, &params->dh_blob,
+			       &params->dh_blob_len)) {
+		wpa_printf(MSG_INFO, "SSL: Failed to get configuration blobs");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int eap_tls_init_connection(struct eap_sm *sm,
+				   struct eap_ssl_data *data,
+				   struct eap_peer_config *config,
+				   struct tls_connection_params *params)
+{
+	int res;
+
+	data->conn = tls_connection_init(sm->ssl_ctx);
+	if (data->conn == NULL) {
+		wpa_printf(MSG_INFO, "SSL: Failed to initialize new TLS "
+			   "connection");
+		return -1;
+	}
+
+	res = tls_connection_set_params(sm->ssl_ctx, data->conn, params);
+	if (res == TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED) {
+		/*
+		 * At this point with the pkcs11 engine the PIN might be wrong.
+		 * We reset the PIN in the configuration to be sure to not use
+		 * it again and the calling function must request a new one.
+		 */
+		os_free(config->pin);
+		config->pin = NULL;
+	} else if (res == TLS_SET_PARAMS_ENGINE_PRV_VERIFY_FAILED) {
+		wpa_printf(MSG_INFO, "TLS: Failed to load private key");
+		/*
+		 * We do not know exactly but maybe the PIN was wrong,
+		 * so ask for a new one.
+		 */
+		os_free(config->pin);
+		config->pin = NULL;
+		eap_sm_request_pin(sm);
+		sm->ignore = TRUE;
+		tls_connection_deinit(sm->ssl_ctx, data->conn);
+		data->conn = NULL;
+		return -1;
+	} else if (res) {
+		wpa_printf(MSG_INFO, "TLS: Failed to set TLS connection "
+			   "parameters");
+		tls_connection_deinit(sm->ssl_ctx, data->conn);
+		data->conn = NULL;
+		return -1;
+	}
+
+	return 0;
+}
+
+
+/**
+ * eap_peer_tls_ssl_init - Initialize shared TLS functionality
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @data: Data for TLS processing
+ * @config: Pointer to the network configuration
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is used to initialize shared TLS functionality for EAP-TLS,
+ * EAP-PEAP, EAP-TTLS, and EAP-FAST.
+ */
+int eap_peer_tls_ssl_init(struct eap_sm *sm, struct eap_ssl_data *data,
+			  struct eap_peer_config *config)
+{
+	struct tls_connection_params params;
+
+	if (config == NULL)
+		return -1;
+
+	data->eap = sm;
+	data->phase2 = sm->init_phase2;
+	if (eap_tls_params_from_conf(sm, data, &params, config, data->phase2) <
+	    0)
+		return -1;
+
+	if (eap_tls_init_connection(sm, data, config, &params) < 0)
+		return -1;
+
+	data->tls_out_limit = config->fragment_size;
+	if (data->phase2) {
+		/* Limit the fragment size in the inner TLS authentication
+		 * since the outer authentication with EAP-PEAP does not yet
+		 * support fragmentation */
+		if (data->tls_out_limit > 100)
+			data->tls_out_limit -= 100;
+	}
+
+	if (config->phase1 &&
+	    os_strstr(config->phase1, "include_tls_length=1")) {
+		wpa_printf(MSG_DEBUG, "TLS: Include TLS Message Length in "
+			   "unfragmented packets");
+		data->include_tls_length = 1;
+	}
+
+	return 0;
+}
+
+
+/**
+ * eap_peer_tls_ssl_deinit - Deinitialize shared TLS functionality
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @data: Data for TLS processing
+ *
+ * This function deinitializes shared TLS functionality that was initialized
+ * with eap_peer_tls_ssl_init().
+ */
+void eap_peer_tls_ssl_deinit(struct eap_sm *sm, struct eap_ssl_data *data)
+{
+	tls_connection_deinit(sm->ssl_ctx, data->conn);
+	eap_peer_tls_reset_input(data);
+	eap_peer_tls_reset_output(data);
+}
+
+
+/**
+ * eap_peer_tls_derive_key - Derive a key based on TLS session data
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @data: Data for TLS processing
+ * @label: Label string for deriving the keys, e.g., "client EAP encryption"
+ * @len: Length of the key material to generate (usually 64 for MSK)
+ * Returns: Pointer to allocated key on success or %NULL on failure
+ *
+ * This function uses TLS-PRF to generate pseudo-random data based on the TLS
+ * session data (client/server random and master key). Each key type may use a
+ * different label to bind the key usage into the generated material.
+ *
+ * The caller is responsible for freeing the returned buffer.
+ */
+u8 * eap_peer_tls_derive_key(struct eap_sm *sm, struct eap_ssl_data *data,
+			     const char *label, size_t len)
+{
+	struct tls_keys keys;
+	u8 *rnd = NULL, *out;
+
+	out = os_malloc(len);
+	if (out == NULL)
+		return NULL;
+
+	/* First, try to use TLS library function for PRF, if available. */
+	if (tls_connection_prf(sm->ssl_ctx, data->conn, label, 0, out, len) ==
+	    0)
+		return out;
+
+	/*
+	 * TLS library did not support key generation, so get the needed TLS
+	 * session parameters and use an internal implementation of TLS PRF to
+	 * derive the key.
+	 */
+	if (tls_connection_get_keys(sm->ssl_ctx, data->conn, &keys))
+		goto fail;
+
+	if (keys.client_random == NULL || keys.server_random == NULL ||
+	    keys.master_key == NULL)
+		goto fail;
+
+	rnd = os_malloc(keys.client_random_len + keys.server_random_len);
+	if (rnd == NULL)
+		goto fail;
+	os_memcpy(rnd, keys.client_random, keys.client_random_len);
+	os_memcpy(rnd + keys.client_random_len, keys.server_random,
+		  keys.server_random_len);
+
+	if (tls_prf(keys.master_key, keys.master_key_len,
+		    label, rnd, keys.client_random_len +
+		    keys.server_random_len, out, len))
+		goto fail;
+
+	os_free(rnd);
+	return out;
+
+fail:
+	os_free(out);
+	os_free(rnd);
+	return NULL;
+}
+
+
+/**
+ * eap_peer_tls_reassemble_fragment - Reassemble a received fragment
+ * @data: Data for TLS processing
+ * @in_data: Next incoming TLS segment
+ * Returns: 0 on success, 1 if more data is needed for the full message, or
+ * -1 on error
+ */
+static int eap_peer_tls_reassemble_fragment(struct eap_ssl_data *data,
+					    const struct wpabuf *in_data)
+{
+	size_t tls_in_len, in_len;
+
+	tls_in_len = data->tls_in ? wpabuf_len(data->tls_in) : 0;
+	in_len = in_data ? wpabuf_len(in_data) : 0;
+
+	if (tls_in_len + in_len == 0) {
+		/* No message data received?! */
+		wpa_printf(MSG_WARNING, "SSL: Invalid reassembly state: "
+			   "tls_in_left=%lu tls_in_len=%lu in_len=%lu",
+			   (unsigned long) data->tls_in_left,
+			   (unsigned long) tls_in_len,
+			   (unsigned long) in_len);
+		eap_peer_tls_reset_input(data);
+		return -1;
+	}
+
+	if (tls_in_len + in_len > 65536) {
+		/*
+		 * Limit length to avoid rogue servers from causing large
+		 * memory allocations.
+		 */
+		wpa_printf(MSG_INFO, "SSL: Too long TLS fragment (size over "
+			   "64 kB)");
+		eap_peer_tls_reset_input(data);
+		return -1;
+	}
+
+	if (in_len > data->tls_in_left) {
+		/* Sender is doing something odd - reject message */
+		wpa_printf(MSG_INFO, "SSL: more data than TLS message length "
+			   "indicated");
+		eap_peer_tls_reset_input(data);
+		return -1;
+	}
+
+	if (wpabuf_resize(&data->tls_in, in_len) < 0) {
+		wpa_printf(MSG_INFO, "SSL: Could not allocate memory for TLS "
+			   "data");
+		eap_peer_tls_reset_input(data);
+		return -1;
+	}
+	if (in_data)
+		wpabuf_put_buf(data->tls_in, in_data);
+	data->tls_in_left -= in_len;
+
+	if (data->tls_in_left > 0) {
+		wpa_printf(MSG_DEBUG, "SSL: Need %lu bytes more input "
+			   "data", (unsigned long) data->tls_in_left);
+		return 1;
+	}
+
+	return 0;
+}
+
+
+/**
+ * eap_peer_tls_data_reassemble - Reassemble TLS data
+ * @data: Data for TLS processing
+ * @in_data: Next incoming TLS segment
+ * @need_more_input: Variable for returning whether more input data is needed
+ * to reassemble this TLS packet
+ * Returns: Pointer to output data, %NULL on error or when more data is needed
+ * for the full message (in which case, *need_more_input is also set to 1).
+ *
+ * This function reassembles TLS fragments. Caller must not free the returned
+ * data buffer since an internal pointer to it is maintained.
+ */
+static const struct wpabuf * eap_peer_tls_data_reassemble(
+	struct eap_ssl_data *data, const struct wpabuf *in_data,
+	int *need_more_input)
+{
+	*need_more_input = 0;
+
+	if (data->tls_in_left > wpabuf_len(in_data) || data->tls_in) {
+		/* Message has fragments */
+		int res = eap_peer_tls_reassemble_fragment(data, in_data);
+		if (res) {
+			if (res == 1)
+				*need_more_input = 1;
+			return NULL;
+		}
+
+		/* Message is now fully reassembled. */
+	} else {
+		/* No fragments in this message, so just make a copy of it. */
+		data->tls_in_left = 0;
+		data->tls_in = wpabuf_dup(in_data);
+		if (data->tls_in == NULL)
+			return NULL;
+	}
+
+	return data->tls_in;
+}
+
+
+/**
+ * eap_tls_process_input - Process incoming TLS message
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @data: Data for TLS processing
+ * @in_data: Message received from the server
+ * @in_len: Length of in_data
+ * @out_data: Buffer for returning a pointer to application data (if available)
+ * Returns: 0 on success, 1 if more input data is needed, 2 if application data
+ * is available, -1 on failure
+ */
+static int eap_tls_process_input(struct eap_sm *sm, struct eap_ssl_data *data,
+				 const u8 *in_data, size_t in_len,
+				 struct wpabuf **out_data)
+{
+	const struct wpabuf *msg;
+	int need_more_input;
+	struct wpabuf *appl_data;
+	struct wpabuf buf;
+
+	wpabuf_set(&buf, in_data, in_len);
+	msg = eap_peer_tls_data_reassemble(data, &buf, &need_more_input);
+	if (msg == NULL)
+		return need_more_input ? 1 : -1;
+
+	/* Full TLS message reassembled - continue handshake processing */
+	if (data->tls_out) {
+		/* This should not happen.. */
+		wpa_printf(MSG_INFO, "SSL: eap_tls_process_input - pending "
+			   "tls_out data even though tls_out_len = 0");
+		wpabuf_free(data->tls_out);
+		WPA_ASSERT(data->tls_out == NULL);
+	}
+	appl_data = NULL;
+	data->tls_out = tls_connection_handshake(sm->ssl_ctx, data->conn,
+						 msg, &appl_data);
+
+	eap_peer_tls_reset_input(data);
+
+	if (appl_data &&
+	    tls_connection_established(sm->ssl_ctx, data->conn) &&
+	    !tls_connection_get_failed(sm->ssl_ctx, data->conn)) {
+		wpa_hexdump_buf_key(MSG_MSGDUMP, "SSL: Application data",
+				    appl_data);
+		*out_data = appl_data;
+		return 2;
+	}
+
+	wpabuf_free(appl_data);
+
+	return 0;
+}
+
+
+/**
+ * eap_tls_process_output - Process outgoing TLS message
+ * @data: Data for TLS processing
+ * @eap_type: EAP type (EAP_TYPE_TLS, EAP_TYPE_PEAP, ...)
+ * @peap_version: Version number for EAP-PEAP/TTLS
+ * @id: EAP identifier for the response
+ * @ret: Return value to use on success
+ * @out_data: Buffer for returning the allocated output buffer
+ * Returns: ret (0 or 1) on success, -1 on failure
+ */
+static int eap_tls_process_output(struct eap_ssl_data *data, EapType eap_type,
+				  int peap_version, u8 id, int ret,
+				  struct wpabuf **out_data)
+{
+	size_t len;
+	u8 *flags;
+	int more_fragments, length_included;
+
+	if (data->tls_out == NULL)
+		return -1;
+	len = wpabuf_len(data->tls_out) - data->tls_out_pos;
+	wpa_printf(MSG_DEBUG, "SSL: %lu bytes left to be sent out (of total "
+		   "%lu bytes)",
+		   (unsigned long) len,
+		   (unsigned long) wpabuf_len(data->tls_out));
+
+	/*
+	 * Limit outgoing message to the configured maximum size. Fragment
+	 * message if needed.
+	 */
+	if (len > data->tls_out_limit) {
+		more_fragments = 1;
+		len = data->tls_out_limit;
+		wpa_printf(MSG_DEBUG, "SSL: sending %lu bytes, more fragments "
+			   "will follow", (unsigned long) len);
+	} else
+		more_fragments = 0;
+
+	length_included = data->tls_out_pos == 0 &&
+		(wpabuf_len(data->tls_out) > data->tls_out_limit ||
+		 data->include_tls_length);
+	if (!length_included &&
+	    eap_type == EAP_TYPE_PEAP && peap_version == 0 &&
+	    !tls_connection_established(data->eap->ssl_ctx, data->conn)) {
+		/*
+		 * Windows Server 2008 NPS really wants to have the TLS Message
+		 * length included in phase 0 even for unfragmented frames or
+		 * it will get very confused with Compound MAC calculation and
+		 * Outer TLVs.
+		 */
+		length_included = 1;
+	}
+
+	*out_data = eap_msg_alloc(EAP_VENDOR_IETF, eap_type,
+				  1 + length_included * 4 + len,
+				  EAP_CODE_RESPONSE, id);
+	if (*out_data == NULL)
+		return -1;
+
+	flags = wpabuf_put(*out_data, 1);
+	*flags = peap_version;
+	if (more_fragments)
+		*flags |= EAP_TLS_FLAGS_MORE_FRAGMENTS;
+	if (length_included) {
+		*flags |= EAP_TLS_FLAGS_LENGTH_INCLUDED;
+		wpabuf_put_be32(*out_data, wpabuf_len(data->tls_out));
+	}
+
+	wpabuf_put_data(*out_data,
+			wpabuf_head_u8(data->tls_out) + data->tls_out_pos,
+			len);
+	data->tls_out_pos += len;
+
+	if (!more_fragments)
+		eap_peer_tls_reset_output(data);
+
+	return ret;
+}
+
+
+/**
+ * eap_peer_tls_process_helper - Process TLS handshake message
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @data: Data for TLS processing
+ * @eap_type: EAP type (EAP_TYPE_TLS, EAP_TYPE_PEAP, ...)
+ * @peap_version: Version number for EAP-PEAP/TTLS
+ * @id: EAP identifier for the response
+ * @in_data: Message received from the server
+ * @in_len: Length of in_data
+ * @out_data: Buffer for returning a pointer to the response message
+ * Returns: 0 on success, 1 if more input data is needed, 2 if application data
+ * is available, or -1 on failure
+ *
+ * This function can be used to process TLS handshake messages. It reassembles
+ * the received fragments and uses a TLS library to process the messages. The
+ * response data from the TLS library is fragmented to suitable output messages
+ * that the caller can send out.
+ *
+ * out_data is used to return the response message if the return value of this
+ * function is 0, 2, or -1. In case of failure, the message is likely a TLS
+ * alarm message. The caller is responsible for freeing the allocated buffer if
+ * *out_data is not %NULL.
+ *
+ * This function is called for each received TLS message during the TLS
+ * handshake after eap_peer_tls_process_init() call and possible processing of
+ * TLS Flags field. Once the handshake has been completed, i.e., when
+ * tls_connection_established() returns 1, EAP method specific decrypting of
+ * the tunneled data is used.
+ */
+int eap_peer_tls_process_helper(struct eap_sm *sm, struct eap_ssl_data *data,
+				EapType eap_type, int peap_version,
+				u8 id, const u8 *in_data, size_t in_len,
+				struct wpabuf **out_data)
+{
+	int ret = 0;
+
+	*out_data = NULL;
+
+	if (data->tls_out && wpabuf_len(data->tls_out) > 0 && in_len > 0) {
+		wpa_printf(MSG_DEBUG, "SSL: Received non-ACK when output "
+			   "fragments are waiting to be sent out");
+		return -1;
+	}
+
+	if (data->tls_out == NULL || wpabuf_len(data->tls_out) == 0) {
+		/*
+		 * No more data to send out - expect to receive more data from
+		 * the AS.
+		 */
+		int res = eap_tls_process_input(sm, data, in_data, in_len,
+						out_data);
+		if (res) {
+			/*
+			 * Input processing failed (res = -1) or more data is
+			 * needed (res = 1).
+			 */
+			return res;
+		}
+
+		/*
+		 * The incoming message has been reassembled and processed. The
+		 * response was allocated into data->tls_out buffer.
+		 */
+	}
+
+	if (data->tls_out == NULL) {
+		/*
+		 * No outgoing fragments remaining from the previous message
+		 * and no new message generated. This indicates an error in TLS
+		 * processing.
+		 */
+		eap_peer_tls_reset_output(data);
+		return -1;
+	}
+
+	if (tls_connection_get_failed(sm->ssl_ctx, data->conn)) {
+		/* TLS processing has failed - return error */
+		wpa_printf(MSG_DEBUG, "SSL: Failed - tls_out available to "
+			   "report error");
+		ret = -1;
+		/* TODO: clean pin if engine used? */
+	}
+
+	if (data->tls_out == NULL || wpabuf_len(data->tls_out) == 0) {
+		/*
+		 * TLS negotiation should now be complete since all other cases
+		 * needing more data should have been caught above based on
+		 * the TLS Message Length field.
+		 */
+		wpa_printf(MSG_DEBUG, "SSL: No data to be sent out");
+		wpabuf_free(data->tls_out);
+		data->tls_out = NULL;
+		return 1;
+	}
+
+	/* Send the pending message (in fragments, if needed). */
+	return eap_tls_process_output(data, eap_type, peap_version, id, ret,
+				      out_data);
+}
+
+
+/**
+ * eap_peer_tls_build_ack - Build a TLS ACK frame
+ * @id: EAP identifier for the response
+ * @eap_type: EAP type (EAP_TYPE_TLS, EAP_TYPE_PEAP, ...)
+ * @peap_version: Version number for EAP-PEAP/TTLS
+ * Returns: Pointer to the allocated ACK frame or %NULL on failure
+ */
+struct wpabuf * eap_peer_tls_build_ack(u8 id, EapType eap_type,
+				       int peap_version)
+{
+	struct wpabuf *resp;
+
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, eap_type, 1, EAP_CODE_RESPONSE,
+			     id);
+	if (resp == NULL)
+		return NULL;
+	wpa_printf(MSG_DEBUG, "SSL: Building ACK (type=%d id=%d ver=%d)",
+		   (int) eap_type, id, peap_version);
+	wpabuf_put_u8(resp, peap_version); /* Flags */
+	return resp;
+}
+
+
+/**
+ * eap_peer_tls_reauth_init - Re-initialize shared TLS for session resumption
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @data: Data for TLS processing
+ * Returns: 0 on success, -1 on failure
+ */
+int eap_peer_tls_reauth_init(struct eap_sm *sm, struct eap_ssl_data *data)
+{
+	eap_peer_tls_reset_input(data);
+	eap_peer_tls_reset_output(data);
+	return tls_connection_shutdown(sm->ssl_ctx, data->conn);
+}
+
+
+/**
+ * eap_peer_tls_status - Get TLS status
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @data: Data for TLS processing
+ * @buf: Buffer for status information
+ * @buflen: Maximum buffer length
+ * @verbose: Whether to include verbose status information
+ * Returns: Number of bytes written to buf.
+ */
+int eap_peer_tls_status(struct eap_sm *sm, struct eap_ssl_data *data,
+			char *buf, size_t buflen, int verbose)
+{
+	char name[128];
+	int len = 0, ret;
+
+	if (tls_get_cipher(sm->ssl_ctx, data->conn, name, sizeof(name)) == 0) {
+		ret = os_snprintf(buf + len, buflen - len,
+				  "EAP TLS cipher=%s\n", name);
+		if (ret < 0 || (size_t) ret >= buflen - len)
+			return len;
+		len += ret;
+	}
+
+	return len;
+}
+
+
+/**
+ * eap_peer_tls_process_init - Initial validation/processing of EAP requests
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @data: Data for TLS processing
+ * @eap_type: EAP type (EAP_TYPE_TLS, EAP_TYPE_PEAP, ...)
+ * @ret: Return values from EAP request validation and processing
+ * @reqData: EAP request to be processed (eapReqData)
+ * @len: Buffer for returning length of the remaining payload
+ * @flags: Buffer for returning TLS flags
+ * Returns: Pointer to payload after TLS flags and length or %NULL on failure
+ *
+ * This function validates the EAP header and processes the optional TLS
+ * Message Length field. If this is the first fragment of a TLS message, the
+ * TLS reassembly code is initialized to receive the indicated number of bytes.
+ *
+ * EAP-TLS, EAP-PEAP, EAP-TTLS, and EAP-FAST methods are expected to use this
+ * function as the first step in processing received messages. They will need
+ * to process the flags (apart from Message Length Included) that are returned
+ * through the flags pointer and the message payload that will be returned (and
+ * the length is returned through the len pointer). Return values (ret) are set
+ * for continuation of EAP method processing. The caller is responsible for
+ * setting these to indicate completion (either success or failure) based on
+ * the authentication result.
+ */
+const u8 * eap_peer_tls_process_init(struct eap_sm *sm,
+				     struct eap_ssl_data *data,
+				     EapType eap_type,
+				     struct eap_method_ret *ret,
+				     const struct wpabuf *reqData,
+				     size_t *len, u8 *flags)
+{
+	const u8 *pos;
+	size_t left;
+	unsigned int tls_msg_len;
+
+	if (tls_get_errors(sm->ssl_ctx)) {
+		wpa_printf(MSG_INFO, "SSL: TLS errors detected");
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, eap_type, reqData, &left);
+	if (pos == NULL) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+	if (left == 0) {
+		wpa_printf(MSG_DEBUG, "SSL: Invalid TLS message: no Flags "
+			   "octet included");
+		if (!sm->workaround) {
+			ret->ignore = TRUE;
+			return NULL;
+		}
+
+		wpa_printf(MSG_DEBUG, "SSL: Workaround - assume no Flags "
+			   "indicates ACK frame");
+		*flags = 0;
+	} else {
+		*flags = *pos++;
+		left--;
+	}
+	wpa_printf(MSG_DEBUG, "SSL: Received packet(len=%lu) - "
+		   "Flags 0x%02x", (unsigned long) wpabuf_len(reqData),
+		   *flags);
+	if (*flags & EAP_TLS_FLAGS_LENGTH_INCLUDED) {
+		if (left < 4) {
+			wpa_printf(MSG_INFO, "SSL: Short frame with TLS "
+				   "length");
+			ret->ignore = TRUE;
+			return NULL;
+		}
+		tls_msg_len = WPA_GET_BE32(pos);
+		wpa_printf(MSG_DEBUG, "SSL: TLS Message Length: %d",
+			   tls_msg_len);
+		if (data->tls_in_left == 0) {
+			data->tls_in_total = tls_msg_len;
+			data->tls_in_left = tls_msg_len;
+			wpabuf_free(data->tls_in);
+			data->tls_in = NULL;
+		}
+		pos += 4;
+		left -= 4;
+	}
+
+	ret->ignore = FALSE;
+	ret->methodState = METHOD_MAY_CONT;
+	ret->decision = DECISION_FAIL;
+	ret->allowNotifications = TRUE;
+
+	*len = left;
+	return pos;
+}
+
+
+/**
+ * eap_peer_tls_reset_input - Reset input buffers
+ * @data: Data for TLS processing
+ *
+ * This function frees any allocated memory for input buffers and resets input
+ * state.
+ */
+void eap_peer_tls_reset_input(struct eap_ssl_data *data)
+{
+	data->tls_in_left = data->tls_in_total = 0;
+	wpabuf_free(data->tls_in);
+	data->tls_in = NULL;
+}
+
+
+/**
+ * eap_peer_tls_reset_output - Reset output buffers
+ * @data: Data for TLS processing
+ *
+ * This function frees any allocated memory for output buffers and resets
+ * output state.
+ */
+void eap_peer_tls_reset_output(struct eap_ssl_data *data)
+{
+	data->tls_out_pos = 0;
+	wpabuf_free(data->tls_out);
+	data->tls_out = NULL;
+}
+
+
+/**
+ * eap_peer_tls_decrypt - Decrypt received phase 2 TLS message
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @data: Data for TLS processing
+ * @in_data: Message received from the server
+ * @in_decrypted: Buffer for returning a pointer to the decrypted message
+ * Returns: 0 on success, 1 if more input data is needed, or -1 on failure
+ */
+int eap_peer_tls_decrypt(struct eap_sm *sm, struct eap_ssl_data *data,
+			 const struct wpabuf *in_data,
+			 struct wpabuf **in_decrypted)
+{
+	const struct wpabuf *msg;
+	int need_more_input;
+
+	msg = eap_peer_tls_data_reassemble(data, in_data, &need_more_input);
+	if (msg == NULL)
+		return need_more_input ? 1 : -1;
+
+	*in_decrypted = tls_connection_decrypt(sm->ssl_ctx, data->conn, msg);
+	eap_peer_tls_reset_input(data);
+	if (*in_decrypted == NULL) {
+		wpa_printf(MSG_INFO, "SSL: Failed to decrypt Phase 2 data");
+		return -1;
+	}
+	return 0;
+}
+
+
+/**
+ * eap_peer_tls_encrypt - Encrypt phase 2 TLS message
+ * @sm: Pointer to EAP state machine allocated with eap_peer_sm_init()
+ * @data: Data for TLS processing
+ * @eap_type: EAP type (EAP_TYPE_TLS, EAP_TYPE_PEAP, ...)
+ * @peap_version: Version number for EAP-PEAP/TTLS
+ * @id: EAP identifier for the response
+ * @in_data: Plaintext phase 2 data to encrypt or %NULL to continue fragments
+ * @out_data: Buffer for returning a pointer to the encrypted response message
+ * Returns: 0 on success, -1 on failure
+ */
+int eap_peer_tls_encrypt(struct eap_sm *sm, struct eap_ssl_data *data,
+			 EapType eap_type, int peap_version, u8 id,
+			 const struct wpabuf *in_data,
+			 struct wpabuf **out_data)
+{
+	if (in_data) {
+		eap_peer_tls_reset_output(data);
+		data->tls_out = tls_connection_encrypt(sm->ssl_ctx, data->conn,
+						       in_data);
+		if (data->tls_out == NULL) {
+			wpa_printf(MSG_INFO, "SSL: Failed to encrypt Phase 2 "
+				   "data (in_len=%lu)",
+				   (unsigned long) wpabuf_len(in_data));
+			eap_peer_tls_reset_output(data);
+			return -1;
+		}
+	}
+
+	return eap_tls_process_output(data, eap_type, peap_version, id, 0,
+				      out_data);
+}
+
+
+/**
+ * eap_peer_select_phase2_methods - Select phase 2 EAP method
+ * @config: Pointer to the network configuration
+ * @prefix: 'phase2' configuration prefix, e.g., "auth="
+ * @types: Buffer for returning allocated list of allowed EAP methods
+ * @num_types: Buffer for returning number of allocated EAP methods
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is used to parse EAP method list and select allowed methods
+ * for Phase2 authentication.
+ */
+int eap_peer_select_phase2_methods(struct eap_peer_config *config,
+				   const char *prefix,
+				   struct eap_method_type **types,
+				   size_t *num_types)
+{
+	char *start, *pos, *buf;
+	struct eap_method_type *methods = NULL, *_methods;
+	u8 method;
+	size_t num_methods = 0, prefix_len;
+
+	if (config == NULL || config->phase2 == NULL)
+		goto get_defaults;
+
+	start = buf = os_strdup(config->phase2);
+	if (buf == NULL)
+		return -1;
+
+	prefix_len = os_strlen(prefix);
+
+	while (start && *start != '\0') {
+		int vendor;
+		pos = os_strstr(start, prefix);
+		if (pos == NULL)
+			break;
+		if (start != pos && *(pos - 1) != ' ') {
+			start = pos + prefix_len;
+			continue;
+		}
+
+		start = pos + prefix_len;
+		pos = os_strchr(start, ' ');
+		if (pos)
+			*pos++ = '\0';
+		method = eap_get_phase2_type(start, &vendor);
+		if (vendor == EAP_VENDOR_IETF && method == EAP_TYPE_NONE) {
+			wpa_printf(MSG_ERROR, "TLS: Unsupported Phase2 EAP "
+				   "method '%s'", start);
+		} else {
+			num_methods++;
+			_methods = os_realloc(methods,
+					      num_methods * sizeof(*methods));
+			if (_methods == NULL) {
+				os_free(methods);
+				os_free(buf);
+				return -1;
+			}
+			methods = _methods;
+			methods[num_methods - 1].vendor = vendor;
+			methods[num_methods - 1].method = method;
+		}
+
+		start = pos;
+	}
+
+	os_free(buf);
+
+get_defaults:
+	if (methods == NULL)
+		methods = eap_get_phase2_types(config, &num_methods);
+
+	if (methods == NULL) {
+		wpa_printf(MSG_ERROR, "TLS: No Phase2 EAP methods available");
+		return -1;
+	}
+	wpa_hexdump(MSG_DEBUG, "TLS: Phase2 EAP types",
+		    (u8 *) methods,
+		    num_methods * sizeof(struct eap_method_type));
+
+	*types = methods;
+	*num_types = num_methods;
+
+	return 0;
+}
+
+
+/**
+ * eap_peer_tls_phase2_nak - Generate EAP-Nak for Phase 2
+ * @types: Buffer for returning allocated list of allowed EAP methods
+ * @num_types: Buffer for returning number of allocated EAP methods
+ * @hdr: EAP-Request header (and the following EAP type octet)
+ * @resp: Buffer for returning the EAP-Nak message
+ * Returns: 0 on success, -1 on failure
+ */
+int eap_peer_tls_phase2_nak(struct eap_method_type *types, size_t num_types,
+			    struct eap_hdr *hdr, struct wpabuf **resp)
+{
+	u8 *pos = (u8 *) (hdr + 1);
+	size_t i;
+
+	/* TODO: add support for expanded Nak */
+	wpa_printf(MSG_DEBUG, "TLS: Phase 2 Request: Nak type=%d", *pos);
+	wpa_hexdump(MSG_DEBUG, "TLS: Allowed Phase2 EAP types",
+		    (u8 *) types, num_types * sizeof(struct eap_method_type));
+	*resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_NAK, num_types,
+			      EAP_CODE_RESPONSE, hdr->identifier);
+	if (*resp == NULL)
+		return -1;
+
+	for (i = 0; i < num_types; i++) {
+		if (types[i].vendor == EAP_VENDOR_IETF &&
+		    types[i].method < 256)
+			wpabuf_put_u8(*resp, types[i].method);
+	}
+
+	eap_update_len(*resp);
+
+	return 0;
+}
diff --git a/src/eap_peer/eap_tls_common.h b/src/eap_peer/eap_tls_common.h
new file mode 100644
index 0000000..e9e0998
--- /dev/null
+++ b/src/eap_peer/eap_tls_common.h
@@ -0,0 +1,126 @@
+/*
+ * EAP peer: EAP-TLS/PEAP/TTLS/FAST common functions
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_TLS_COMMON_H
+#define EAP_TLS_COMMON_H
+
+/**
+ * struct eap_ssl_data - TLS data for EAP methods
+ */
+struct eap_ssl_data {
+	/**
+	 * conn - TLS connection context data from tls_connection_init()
+	 */
+	struct tls_connection *conn;
+
+	/**
+	 * tls_out - TLS message to be sent out in fragments
+	 */
+	struct wpabuf *tls_out;
+
+	/**
+	 * tls_out_pos - The current position in the outgoing TLS message
+	 */
+	size_t tls_out_pos;
+
+	/**
+	 * tls_out_limit - Maximum fragment size for outgoing TLS messages
+	 */
+	size_t tls_out_limit;
+
+	/**
+	 * tls_in - Received TLS message buffer for re-assembly
+	 */
+	struct wpabuf *tls_in;
+
+	/**
+	 * tls_in_left - Number of remaining bytes in the incoming TLS message
+	 */
+	size_t tls_in_left;
+
+	/**
+	 * tls_in_total - Total number of bytes in the incoming TLS message
+	 */
+	size_t tls_in_total;
+
+	/**
+	 * phase2 - Whether this TLS connection is used in EAP phase 2 (tunnel)
+	 */
+	int phase2;
+
+	/**
+	 * include_tls_length - Whether the TLS length field is included even
+	 * if the TLS data is not fragmented
+	 */
+	int include_tls_length;
+
+	/**
+	 * tls_ia - Whether TLS/IA is enabled for this TLS connection
+	 */
+	int tls_ia;
+
+	/**
+	 * eap - EAP state machine allocated with eap_peer_sm_init()
+	 */
+	struct eap_sm *eap;
+};
+
+
+/* EAP TLS Flags */
+#define EAP_TLS_FLAGS_LENGTH_INCLUDED 0x80
+#define EAP_TLS_FLAGS_MORE_FRAGMENTS 0x40
+#define EAP_TLS_FLAGS_START 0x20
+#define EAP_TLS_VERSION_MASK 0x07
+
+ /* could be up to 128 bytes, but only the first 64 bytes are used */
+#define EAP_TLS_KEY_LEN 64
+
+
+int eap_peer_tls_ssl_init(struct eap_sm *sm, struct eap_ssl_data *data,
+			  struct eap_peer_config *config);
+void eap_peer_tls_ssl_deinit(struct eap_sm *sm, struct eap_ssl_data *data);
+u8 * eap_peer_tls_derive_key(struct eap_sm *sm, struct eap_ssl_data *data,
+			     const char *label, size_t len);
+int eap_peer_tls_process_helper(struct eap_sm *sm, struct eap_ssl_data *data,
+				EapType eap_type, int peap_version,
+				u8 id, const u8 *in_data, size_t in_len,
+				struct wpabuf **out_data);
+struct wpabuf * eap_peer_tls_build_ack(u8 id, EapType eap_type,
+				       int peap_version);
+int eap_peer_tls_reauth_init(struct eap_sm *sm, struct eap_ssl_data *data);
+int eap_peer_tls_status(struct eap_sm *sm, struct eap_ssl_data *data,
+			char *buf, size_t buflen, int verbose);
+const u8 * eap_peer_tls_process_init(struct eap_sm *sm,
+				     struct eap_ssl_data *data,
+				     EapType eap_type,
+				     struct eap_method_ret *ret,
+				     const struct wpabuf *reqData,
+				     size_t *len, u8 *flags);
+void eap_peer_tls_reset_input(struct eap_ssl_data *data);
+void eap_peer_tls_reset_output(struct eap_ssl_data *data);
+int eap_peer_tls_decrypt(struct eap_sm *sm, struct eap_ssl_data *data,
+			 const struct wpabuf *in_data,
+			 struct wpabuf **in_decrypted);
+int eap_peer_tls_encrypt(struct eap_sm *sm, struct eap_ssl_data *data,
+			 EapType eap_type, int peap_version, u8 id,
+			 const struct wpabuf *in_data,
+			 struct wpabuf **out_data);
+int eap_peer_select_phase2_methods(struct eap_peer_config *config,
+				   const char *prefix,
+				   struct eap_method_type **types,
+				   size_t *num_types);
+int eap_peer_tls_phase2_nak(struct eap_method_type *types, size_t num_types,
+			    struct eap_hdr *hdr, struct wpabuf **resp);
+
+#endif /* EAP_TLS_COMMON_H */
diff --git a/src/eap_peer/eap_tnc.c b/src/eap_peer/eap_tnc.c
new file mode 100644
index 0000000..6c95f72
--- /dev/null
+++ b/src/eap_peer/eap_tnc.c
@@ -0,0 +1,434 @@
+/*
+ * EAP peer method: EAP-TNC (Trusted Network Connect)
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "base64.h"
+#include "eap_i.h"
+#include "tncc.h"
+
+
+struct eap_tnc_data {
+	enum { WAIT_START, PROC_MSG, WAIT_FRAG_ACK, DONE, FAIL } state;
+	struct tncc_data *tncc;
+	struct wpabuf *in_buf;
+	struct wpabuf *out_buf;
+	size_t out_used;
+	size_t fragment_size;
+};
+
+
+/* EAP-TNC Flags */
+#define EAP_TNC_FLAGS_LENGTH_INCLUDED 0x80
+#define EAP_TNC_FLAGS_MORE_FRAGMENTS 0x40
+#define EAP_TNC_FLAGS_START 0x20
+#define EAP_TNC_VERSION_MASK 0x07
+
+#define EAP_TNC_VERSION 1
+
+
+static void * eap_tnc_init(struct eap_sm *sm)
+{
+	struct eap_tnc_data *data;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = WAIT_START;
+	data->fragment_size = 1300;
+	data->tncc = tncc_init();
+	if (data->tncc == NULL) {
+		os_free(data);
+		return NULL;
+	}
+
+	return data;
+}
+
+
+static void eap_tnc_deinit(struct eap_sm *sm, void *priv)
+{
+	struct eap_tnc_data *data = priv;
+
+	wpabuf_free(data->in_buf);
+	wpabuf_free(data->out_buf);
+	tncc_deinit(data->tncc);
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_tnc_build_frag_ack(u8 id, u8 code)
+{
+	struct wpabuf *msg;
+
+	msg = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_TNC, 1, code, id);
+	if (msg == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-TNC: Failed to allocate memory "
+			   "for fragment ack");
+		return NULL;
+	}
+	wpabuf_put_u8(msg, EAP_TNC_VERSION); /* Flags */
+
+	wpa_printf(MSG_DEBUG, "EAP-TNC: Send fragment ack");
+
+	return msg;
+}
+
+
+static struct wpabuf * eap_tnc_build_msg(struct eap_tnc_data *data,
+					 struct eap_method_ret *ret, u8 id)
+{
+	struct wpabuf *resp;
+	u8 flags;
+	size_t send_len, plen;
+
+	ret->ignore = FALSE;
+	wpa_printf(MSG_DEBUG, "EAP-TNC: Generating Response");
+	ret->allowNotifications = TRUE;
+
+	flags = EAP_TNC_VERSION;
+	send_len = wpabuf_len(data->out_buf) - data->out_used;
+	if (1 + send_len > data->fragment_size) {
+		send_len = data->fragment_size - 1;
+		flags |= EAP_TNC_FLAGS_MORE_FRAGMENTS;
+		if (data->out_used == 0) {
+			flags |= EAP_TNC_FLAGS_LENGTH_INCLUDED;
+			send_len -= 4;
+		}
+	}
+
+	plen = 1 + send_len;
+	if (flags & EAP_TNC_FLAGS_LENGTH_INCLUDED)
+		plen += 4;
+	resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_TNC, plen,
+			     EAP_CODE_RESPONSE, id);
+	if (resp == NULL)
+		return NULL;
+
+	wpabuf_put_u8(resp, flags); /* Flags */
+	if (flags & EAP_TNC_FLAGS_LENGTH_INCLUDED)
+		wpabuf_put_be32(resp, wpabuf_len(data->out_buf));
+
+	wpabuf_put_data(resp, wpabuf_head_u8(data->out_buf) + data->out_used,
+			send_len);
+	data->out_used += send_len;
+
+	ret->methodState = METHOD_MAY_CONT;
+	ret->decision = DECISION_FAIL;
+
+	if (data->out_used == wpabuf_len(data->out_buf)) {
+		wpa_printf(MSG_DEBUG, "EAP-TNC: Sending out %lu bytes "
+			   "(message sent completely)",
+			   (unsigned long) send_len);
+		wpabuf_free(data->out_buf);
+		data->out_buf = NULL;
+		data->out_used = 0;
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-TNC: Sending out %lu bytes "
+			   "(%lu more to send)", (unsigned long) send_len,
+			   (unsigned long) wpabuf_len(data->out_buf) -
+			   data->out_used);
+		data->state = WAIT_FRAG_ACK;
+	}
+
+	return resp;
+}
+
+
+static int eap_tnc_process_cont(struct eap_tnc_data *data,
+				const u8 *buf, size_t len)
+{
+	/* Process continuation of a pending message */
+	if (len > wpabuf_tailroom(data->in_buf)) {
+		wpa_printf(MSG_DEBUG, "EAP-TNC: Fragment overflow");
+		data->state = FAIL;
+		return -1;
+	}
+
+	wpabuf_put_data(data->in_buf, buf, len);
+	wpa_printf(MSG_DEBUG, "EAP-TNC: Received %lu bytes, waiting for "
+		   "%lu bytes more", (unsigned long) len,
+		   (unsigned long) wpabuf_tailroom(data->in_buf));
+
+	return 0;
+}
+
+
+static struct wpabuf * eap_tnc_process_fragment(struct eap_tnc_data *data,
+						struct eap_method_ret *ret,
+						u8 id, u8 flags,
+						u32 message_length,
+						const u8 *buf, size_t len)
+{
+	/* Process a fragment that is not the last one of the message */
+	if (data->in_buf == NULL && !(flags & EAP_TNC_FLAGS_LENGTH_INCLUDED)) {
+		wpa_printf(MSG_DEBUG, "EAP-TNC: No Message Length field in a "
+			   "fragmented packet");
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (data->in_buf == NULL) {
+		/* First fragment of the message */
+		data->in_buf = wpabuf_alloc(message_length);
+		if (data->in_buf == NULL) {
+			wpa_printf(MSG_DEBUG, "EAP-TNC: No memory for "
+				   "message");
+			ret->ignore = TRUE;
+			return NULL;
+		}
+		wpabuf_put_data(data->in_buf, buf, len);
+		wpa_printf(MSG_DEBUG, "EAP-TNC: Received %lu bytes in first "
+			   "fragment, waiting for %lu bytes more",
+			   (unsigned long) len,
+			   (unsigned long) wpabuf_tailroom(data->in_buf));
+	}
+
+	return eap_tnc_build_frag_ack(id, EAP_CODE_RESPONSE);
+}
+
+
+static struct wpabuf * eap_tnc_process(struct eap_sm *sm, void *priv,
+				       struct eap_method_ret *ret,
+				       const struct wpabuf *reqData)
+{
+	struct eap_tnc_data *data = priv;
+	struct wpabuf *resp;
+	const u8 *pos, *end;
+	u8 *rpos, *rpos1;
+	size_t len, rlen;
+	size_t imc_len;
+	char *start_buf, *end_buf;
+	size_t start_len, end_len;
+	int tncs_done = 0;
+	u8 flags, id;
+	u32 message_length = 0;
+	struct wpabuf tmpbuf;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_TNC, reqData, &len);
+	if (pos == NULL) {
+		wpa_printf(MSG_INFO, "EAP-TNC: Invalid frame (pos=%p len=%lu)",
+			   pos, (unsigned long) len);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	id = eap_get_id(reqData);
+
+	end = pos + len;
+
+	if (len == 0)
+		flags = 0; /* fragment ack */
+	else
+		flags = *pos++;
+
+	if (len > 0 && (flags & EAP_TNC_VERSION_MASK) != EAP_TNC_VERSION) {
+		wpa_printf(MSG_DEBUG, "EAP-TNC: Unsupported version %d",
+			   flags & EAP_TNC_VERSION_MASK);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (flags & EAP_TNC_FLAGS_LENGTH_INCLUDED) {
+		if (end - pos < 4) {
+			wpa_printf(MSG_DEBUG, "EAP-TNC: Message underflow");
+			ret->ignore = TRUE;
+			return NULL;
+		}
+		message_length = WPA_GET_BE32(pos);
+		pos += 4;
+
+		if (message_length < (u32) (end - pos)) {
+			wpa_printf(MSG_DEBUG, "EAP-TNC: Invalid Message "
+				   "Length (%d; %ld remaining in this msg)",
+				   message_length, (long) (end - pos));
+			ret->ignore = TRUE;
+			return NULL;
+		}
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-TNC: Received packet: Flags 0x%x "
+		   "Message Length %u", flags, message_length);
+
+	if (data->state == WAIT_FRAG_ACK) {
+		if (len > 1) {
+			wpa_printf(MSG_DEBUG, "EAP-TNC: Unexpected payload in "
+				   "WAIT_FRAG_ACK state");
+			ret->ignore = TRUE;
+			return NULL;
+		}
+		wpa_printf(MSG_DEBUG, "EAP-TNC: Fragment acknowledged");
+		data->state = PROC_MSG;
+		return eap_tnc_build_msg(data, ret, id);
+	}
+
+	if (data->in_buf && eap_tnc_process_cont(data, pos, end - pos) < 0) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+		
+	if (flags & EAP_TNC_FLAGS_MORE_FRAGMENTS) {
+		return eap_tnc_process_fragment(data, ret, id, flags,
+						message_length, pos,
+						end - pos);
+	}
+
+	if (data->in_buf == NULL) {
+		/* Wrap unfragmented messages as wpabuf without extra copy */
+		wpabuf_set(&tmpbuf, pos, end - pos);
+		data->in_buf = &tmpbuf;
+	}
+
+	if (data->state == WAIT_START) {
+		if (!(flags & EAP_TNC_FLAGS_START)) {
+			wpa_printf(MSG_DEBUG, "EAP-TNC: Server did not use "
+				   "start flag in the first message");
+			ret->ignore = TRUE;
+			goto fail;
+		}
+
+		tncc_init_connection(data->tncc);
+
+		data->state = PROC_MSG;
+	} else {
+		enum tncc_process_res res;
+
+		if (flags & EAP_TNC_FLAGS_START) {
+			wpa_printf(MSG_DEBUG, "EAP-TNC: Server used start "
+				   "flag again");
+			ret->ignore = TRUE;
+			goto fail;
+		}
+
+		res = tncc_process_if_tnccs(data->tncc,
+					    wpabuf_head(data->in_buf),
+					    wpabuf_len(data->in_buf));
+		switch (res) {
+		case TNCCS_PROCESS_ERROR:
+			ret->ignore = TRUE;
+			goto fail;
+		case TNCCS_PROCESS_OK_NO_RECOMMENDATION:
+		case TNCCS_RECOMMENDATION_ERROR:
+			wpa_printf(MSG_DEBUG, "EAP-TNC: No "
+				   "TNCCS-Recommendation received");
+			break;
+		case TNCCS_RECOMMENDATION_ALLOW:
+			wpa_msg(sm->msg_ctx, MSG_INFO,
+				"TNC: Recommendation = allow");
+			tncs_done = 1;
+			break;
+		case TNCCS_RECOMMENDATION_NONE:
+			wpa_msg(sm->msg_ctx, MSG_INFO,
+				"TNC: Recommendation = none");
+			tncs_done = 1;
+			break;
+		case TNCCS_RECOMMENDATION_ISOLATE:
+			wpa_msg(sm->msg_ctx, MSG_INFO,
+				"TNC: Recommendation = isolate");
+			tncs_done = 1;
+			break;
+		}
+	}
+
+	if (data->in_buf != &tmpbuf)
+		wpabuf_free(data->in_buf);
+	data->in_buf = NULL;
+
+	ret->ignore = FALSE;
+	ret->methodState = METHOD_MAY_CONT;
+	ret->decision = DECISION_UNCOND_SUCC;
+	ret->allowNotifications = TRUE;
+
+	if (data->out_buf) {
+		data->state = PROC_MSG;
+		return eap_tnc_build_msg(data, ret, id);
+	}
+
+	if (tncs_done) {
+		resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_TNC, 1,
+				     EAP_CODE_RESPONSE, eap_get_id(reqData));
+		if (resp == NULL)
+			return NULL;
+
+		wpabuf_put_u8(resp, EAP_TNC_VERSION);
+		wpa_printf(MSG_DEBUG, "EAP-TNC: TNCS done - reply with an "
+			   "empty ACK message");
+		return resp;
+	}
+
+	imc_len = tncc_total_send_len(data->tncc);
+
+	start_buf = tncc_if_tnccs_start(data->tncc);
+	if (start_buf == NULL)
+		return NULL;
+	start_len = os_strlen(start_buf);
+	end_buf = tncc_if_tnccs_end();
+	if (end_buf == NULL) {
+		os_free(start_buf);
+		return NULL;
+	}
+	end_len = os_strlen(end_buf);
+
+	rlen = start_len + imc_len + end_len;
+	resp = wpabuf_alloc(rlen);
+	if (resp == NULL) {
+		os_free(start_buf);
+		os_free(end_buf);
+		return NULL;
+	}
+
+	wpabuf_put_data(resp, start_buf, start_len);
+	os_free(start_buf);
+
+	rpos1 = wpabuf_put(resp, 0);
+	rpos = tncc_copy_send_buf(data->tncc, rpos1);
+	wpabuf_put(resp, rpos - rpos1);
+
+	wpabuf_put_data(resp, end_buf, end_len);
+	os_free(end_buf);
+
+	wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-TNC: Response",
+			  wpabuf_head(resp), wpabuf_len(resp));
+
+	data->out_buf = resp;
+	data->state = PROC_MSG;
+	return eap_tnc_build_msg(data, ret, id);
+
+fail:
+	if (data->in_buf == &tmpbuf)
+		data->in_buf = NULL;
+	return NULL;
+}
+
+
+int eap_peer_tnc_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_IETF, EAP_TYPE_TNC, "TNC");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_tnc_init;
+	eap->deinit = eap_tnc_deinit;
+	eap->process = eap_tnc_process;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_peer/eap_ttls.c b/src/eap_peer/eap_ttls.c
new file mode 100644
index 0000000..e8f0f38
--- /dev/null
+++ b/src/eap_peer/eap_ttls.c
@@ -0,0 +1,1986 @@
+/*
+ * EAP peer method: EAP-TTLS (RFC 5281)
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/ms_funcs.h"
+#include "crypto/sha1.h"
+#include "crypto/tls.h"
+#include "eap_common/chap.h"
+#include "eap_common/eap_ttls.h"
+#include "mschapv2.h"
+#include "eap_i.h"
+#include "eap_tls_common.h"
+#include "eap_config.h"
+
+
+/* Maximum supported TTLS version
+ * 0 = RFC 5281
+ * 1 = draft-funk-eap-ttls-v1-00.txt
+ */
+#ifndef EAP_TTLS_VERSION
+#define EAP_TTLS_VERSION 0 /* TTLSv1 implementation is not yet complete */
+#endif /* EAP_TTLS_VERSION */
+
+
+#define MSCHAPV2_KEY_LEN 16
+#define MSCHAPV2_NT_RESPONSE_LEN 24
+
+
+static void eap_ttls_deinit(struct eap_sm *sm, void *priv);
+
+
+struct eap_ttls_data {
+	struct eap_ssl_data ssl;
+	int ssl_initialized;
+
+	int ttls_version, force_ttls_version;
+
+	const struct eap_method *phase2_method;
+	void *phase2_priv;
+	int phase2_success;
+	int phase2_start;
+
+	enum phase2_types {
+		EAP_TTLS_PHASE2_EAP,
+		EAP_TTLS_PHASE2_MSCHAPV2,
+		EAP_TTLS_PHASE2_MSCHAP,
+		EAP_TTLS_PHASE2_PAP,
+		EAP_TTLS_PHASE2_CHAP
+	} phase2_type;
+	struct eap_method_type phase2_eap_type;
+	struct eap_method_type *phase2_eap_types;
+	size_t num_phase2_eap_types;
+
+	u8 auth_response[MSCHAPV2_AUTH_RESPONSE_LEN];
+	int auth_response_valid;
+	u8 master_key[MSCHAPV2_MASTER_KEY_LEN]; /* MSCHAPv2 master key */
+	u8 ident;
+	int resuming; /* starting a resumed session */
+	int reauth; /* reauthentication */
+	u8 *key_data;
+
+	struct wpabuf *pending_phase2_req;
+
+#ifdef EAP_TNC
+	int ready_for_tnc;
+	int tnc_started;
+#endif /* EAP_TNC */
+};
+
+
+static void * eap_ttls_init(struct eap_sm *sm)
+{
+	struct eap_ttls_data *data;
+	struct eap_peer_config *config = eap_get_config(sm);
+	char *selected;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->ttls_version = EAP_TTLS_VERSION;
+	data->force_ttls_version = -1;
+	selected = "EAP";
+	data->phase2_type = EAP_TTLS_PHASE2_EAP;
+
+#if EAP_TTLS_VERSION > 0
+	if (config && config->phase1) {
+		const char *pos = os_strstr(config->phase1, "ttlsver=");
+		if (pos) {
+			data->force_ttls_version = atoi(pos + 8);
+			data->ttls_version = data->force_ttls_version;
+			wpa_printf(MSG_DEBUG, "EAP-TTLS: Forced TTLS version "
+				   "%d", data->force_ttls_version);
+		}
+	}
+#endif /* EAP_TTLS_VERSION */
+
+	if (config && config->phase2) {
+		if (os_strstr(config->phase2, "autheap=")) {
+			selected = "EAP";
+			data->phase2_type = EAP_TTLS_PHASE2_EAP;
+		} else if (os_strstr(config->phase2, "auth=MSCHAPV2")) {
+			selected = "MSCHAPV2";
+			data->phase2_type = EAP_TTLS_PHASE2_MSCHAPV2;
+		} else if (os_strstr(config->phase2, "auth=MSCHAP")) {
+			selected = "MSCHAP";
+			data->phase2_type = EAP_TTLS_PHASE2_MSCHAP;
+		} else if (os_strstr(config->phase2, "auth=PAP")) {
+			selected = "PAP";
+			data->phase2_type = EAP_TTLS_PHASE2_PAP;
+		} else if (os_strstr(config->phase2, "auth=CHAP")) {
+			selected = "CHAP";
+			data->phase2_type = EAP_TTLS_PHASE2_CHAP;
+		}
+	}
+	wpa_printf(MSG_DEBUG, "EAP-TTLS: Phase2 type: %s", selected);
+
+	if (data->phase2_type == EAP_TTLS_PHASE2_EAP) {
+		if (eap_peer_select_phase2_methods(config, "autheap=",
+						   &data->phase2_eap_types,
+						   &data->num_phase2_eap_types)
+		    < 0) {
+			eap_ttls_deinit(sm, data);
+			return NULL;
+		}
+
+		data->phase2_eap_type.vendor = EAP_VENDOR_IETF;
+		data->phase2_eap_type.method = EAP_TYPE_NONE;
+	}
+
+#if EAP_TTLS_VERSION > 0
+	if (!(tls_capabilities(sm->ssl_ctx) & TLS_CAPABILITY_IA) &&
+	    data->ttls_version > 0) {
+		if (data->force_ttls_version > 0) {
+			wpa_printf(MSG_INFO, "EAP-TTLS: Forced TTLSv%d and "
+				   "TLS library does not support TLS/IA.",
+				   data->force_ttls_version);
+			eap_ttls_deinit(sm, data);
+			return NULL;
+		}
+		data->ttls_version = 0;
+	}
+#endif /* EAP_TTLS_VERSION */
+
+	return data;
+}
+
+
+static void eap_ttls_phase2_eap_deinit(struct eap_sm *sm,
+				       struct eap_ttls_data *data)
+{
+	if (data->phase2_priv && data->phase2_method) {
+		data->phase2_method->deinit(sm, data->phase2_priv);
+		data->phase2_method = NULL;
+		data->phase2_priv = NULL;
+	}
+}
+
+
+static void eap_ttls_deinit(struct eap_sm *sm, void *priv)
+{
+	struct eap_ttls_data *data = priv;
+	if (data == NULL)
+		return;
+	eap_ttls_phase2_eap_deinit(sm, data);
+	os_free(data->phase2_eap_types);
+	if (data->ssl_initialized)
+		eap_peer_tls_ssl_deinit(sm, &data->ssl);
+	os_free(data->key_data);
+	wpabuf_free(data->pending_phase2_req);
+	os_free(data);
+}
+
+
+static u8 * eap_ttls_avp_hdr(u8 *avphdr, u32 avp_code, u32 vendor_id,
+			     int mandatory, size_t len)
+{
+	struct ttls_avp_vendor *avp;
+	u8 flags;
+	size_t hdrlen;
+
+	avp = (struct ttls_avp_vendor *) avphdr;
+	flags = mandatory ? AVP_FLAGS_MANDATORY : 0;
+	if (vendor_id) {
+		flags |= AVP_FLAGS_VENDOR;
+		hdrlen = sizeof(*avp);
+		avp->vendor_id = host_to_be32(vendor_id);
+	} else {
+		hdrlen = sizeof(struct ttls_avp);
+	}
+
+	avp->avp_code = host_to_be32(avp_code);
+	avp->avp_length = host_to_be32((flags << 24) | (u32) (hdrlen + len));
+
+	return avphdr + hdrlen;
+}
+
+
+static u8 * eap_ttls_avp_add(u8 *start, u8 *avphdr, u32 avp_code,
+			     u32 vendor_id, int mandatory,
+			     const u8 *data, size_t len)
+{
+	u8 *pos;
+	pos = eap_ttls_avp_hdr(avphdr, avp_code, vendor_id, mandatory, len);
+	os_memcpy(pos, data, len);
+	pos += len;
+	AVP_PAD(start, pos);
+	return pos;
+}
+
+
+static int eap_ttls_avp_encapsulate(struct wpabuf **resp, u32 avp_code,
+				    int mandatory)
+{
+	struct wpabuf *msg;
+	u8 *avp, *pos;
+
+	msg = wpabuf_alloc(sizeof(struct ttls_avp) + wpabuf_len(*resp) + 4);
+	if (msg == NULL) {
+		wpabuf_free(*resp);
+		*resp = NULL;
+		return -1;
+	}
+
+	avp = wpabuf_mhead(msg);
+	pos = eap_ttls_avp_hdr(avp, avp_code, 0, mandatory, wpabuf_len(*resp));
+	os_memcpy(pos, wpabuf_head(*resp), wpabuf_len(*resp));
+	pos += wpabuf_len(*resp);
+	AVP_PAD(avp, pos);
+	wpabuf_free(*resp);
+	wpabuf_put(msg, pos - avp);
+	*resp = msg;
+	return 0;
+}
+
+
+#if EAP_TTLS_VERSION > 0
+static int eap_ttls_ia_permute_inner_secret(struct eap_sm *sm,
+					    struct eap_ttls_data *data,
+					    const u8 *key, size_t key_len)
+{
+	u8 *buf;
+	size_t buf_len;
+	int ret;
+
+	if (key) {
+		buf_len = 2 + key_len;
+		buf = os_malloc(buf_len);
+		if (buf == NULL)
+			return -1;
+		WPA_PUT_BE16(buf, key_len);
+		os_memcpy(buf + 2, key, key_len);
+	} else {
+		buf = NULL;
+		buf_len = 0;
+	}
+
+	wpa_hexdump_key(MSG_DEBUG, "EAP-TTLS: Session keys for TLS/IA inner "
+			"secret permutation", buf, buf_len);
+	ret = tls_connection_ia_permute_inner_secret(sm->ssl_ctx,
+						     data->ssl.conn,
+						     buf, buf_len);
+	os_free(buf);
+
+	return ret;
+}
+#endif /* EAP_TTLS_VERSION */
+
+
+static int eap_ttls_v0_derive_key(struct eap_sm *sm,
+				  struct eap_ttls_data *data)
+{
+	os_free(data->key_data);
+	data->key_data = eap_peer_tls_derive_key(sm, &data->ssl,
+						 "ttls keying material",
+						 EAP_TLS_KEY_LEN);
+	if (!data->key_data) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: Failed to derive key");
+		return -1;
+	}
+
+	wpa_hexdump_key(MSG_DEBUG, "EAP-TTLS: Derived key",
+			data->key_data, EAP_TLS_KEY_LEN);
+
+	return 0;
+}
+
+
+#if EAP_TTLS_VERSION > 0
+static int eap_ttls_v1_derive_key(struct eap_sm *sm,
+				  struct eap_ttls_data *data)
+{
+	struct tls_keys keys;
+	u8 *rnd;
+
+	os_free(data->key_data);
+	data->key_data = NULL;
+
+	os_memset(&keys, 0, sizeof(keys));
+	if (tls_connection_get_keys(sm->ssl_ctx, data->ssl.conn, &keys) ||
+	    keys.client_random == NULL || keys.server_random == NULL ||
+	    keys.inner_secret == NULL) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: Could not get inner secret, "
+			   "client random, or server random to derive keying "
+			   "material");
+		return -1;
+	}
+
+	rnd = os_malloc(keys.client_random_len + keys.server_random_len);
+	data->key_data = os_malloc(EAP_TLS_KEY_LEN);
+	if (rnd == NULL || data->key_data == NULL) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: No memory for key derivation");
+		os_free(rnd);
+		os_free(data->key_data);
+		data->key_data = NULL;
+		return -1;
+	}
+	os_memcpy(rnd, keys.client_random, keys.client_random_len);
+	os_memcpy(rnd + keys.client_random_len, keys.server_random,
+		  keys.server_random_len);
+
+	if (tls_prf(keys.inner_secret, keys.inner_secret_len,
+		    "ttls v1 keying material", rnd, keys.client_random_len +
+		    keys.server_random_len, data->key_data, EAP_TLS_KEY_LEN)) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: Failed to derive key");
+		os_free(rnd);
+		os_free(data->key_data);
+		data->key_data = NULL;
+		return -1;
+	}
+
+	wpa_hexdump(MSG_DEBUG, "EAP-TTLS: client/server random",
+		    rnd, keys.client_random_len + keys.server_random_len);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-TTLS: TLS/IA inner secret",
+			keys.inner_secret, keys.inner_secret_len);
+
+	os_free(rnd);
+
+	wpa_hexdump_key(MSG_DEBUG, "EAP-TTLS: Derived key",
+			data->key_data, EAP_TLS_KEY_LEN);
+
+	return 0;
+}
+#endif /* EAP_TTLS_VERSION */
+
+
+static u8 * eap_ttls_implicit_challenge(struct eap_sm *sm,
+					struct eap_ttls_data *data, size_t len)
+{
+#if EAP_TTLS_VERSION > 0
+	struct tls_keys keys;
+	u8 *challenge, *rnd;
+#endif /* EAP_TTLS_VERSION */
+
+	if (data->ttls_version == 0) {
+		return eap_peer_tls_derive_key(sm, &data->ssl,
+					       "ttls challenge", len);
+	}
+
+#if EAP_TTLS_VERSION > 0
+
+	os_memset(&keys, 0, sizeof(keys));
+	if (tls_connection_get_keys(sm->ssl_ctx, data->ssl.conn, &keys) ||
+	    keys.client_random == NULL || keys.server_random == NULL ||
+	    keys.inner_secret == NULL) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: Could not get inner secret, "
+			   "client random, or server random to derive "
+			   "implicit challenge");
+		return NULL;
+	}
+
+	rnd = os_malloc(keys.client_random_len + keys.server_random_len);
+	challenge = os_malloc(len);
+	if (rnd == NULL || challenge == NULL) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: No memory for implicit "
+			   "challenge derivation");
+		os_free(rnd);
+		os_free(challenge);
+		return NULL;
+	}
+	os_memcpy(rnd, keys.server_random, keys.server_random_len);
+	os_memcpy(rnd + keys.server_random_len, keys.client_random,
+		  keys.client_random_len);
+
+	if (tls_prf(keys.inner_secret, keys.inner_secret_len,
+		    "inner application challenge", rnd,
+		    keys.client_random_len + keys.server_random_len,
+		    challenge, len)) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: Failed to derive implicit "
+			   "challenge");
+		os_free(rnd);
+		os_free(challenge);
+		return NULL;
+	}
+
+	os_free(rnd);
+
+	wpa_hexdump_key(MSG_DEBUG, "EAP-TTLS: Derived implicit challenge",
+			challenge, len);
+
+	return challenge;
+
+#else /* EAP_TTLS_VERSION */
+
+	return NULL;
+
+#endif /* EAP_TTLS_VERSION */
+}
+
+
+static void eap_ttlsv1_phase2_eap_finish(struct eap_sm *sm,
+					 struct eap_ttls_data *data,
+					 struct eap_method_ret *ret)
+{
+#if EAP_TTLS_VERSION > 0
+	if (data->ttls_version > 0) {
+		const struct eap_method *m = data->phase2_method;
+		void *priv = data->phase2_priv;
+
+		/* TTLSv1 requires TLS/IA FinalPhaseFinished */
+		if (ret->decision == DECISION_UNCOND_SUCC)
+			ret->decision = DECISION_COND_SUCC;
+		ret->methodState = METHOD_CONT;
+
+		if (ret->decision == DECISION_COND_SUCC &&
+		    m->isKeyAvailable && m->getKey &&
+		    m->isKeyAvailable(sm, priv)) {
+			u8 *key;
+			size_t key_len;
+			key = m->getKey(sm, priv, &key_len);
+			if (key) {
+				eap_ttls_ia_permute_inner_secret(
+					sm, data, key, key_len);
+				os_free(key);
+			}
+		}
+	}
+#endif /* EAP_TTLS_VERSION */
+}
+
+
+static void eap_ttls_phase2_select_eap_method(struct eap_ttls_data *data,
+					      u8 method)
+{
+	size_t i;
+	for (i = 0; i < data->num_phase2_eap_types; i++) {
+		if (data->phase2_eap_types[i].vendor != EAP_VENDOR_IETF ||
+		    data->phase2_eap_types[i].method != method)
+			continue;
+
+		data->phase2_eap_type.vendor =
+			data->phase2_eap_types[i].vendor;
+		data->phase2_eap_type.method =
+			data->phase2_eap_types[i].method;
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: Selected "
+			   "Phase 2 EAP vendor %d method %d",
+			   data->phase2_eap_type.vendor,
+			   data->phase2_eap_type.method);
+		break;
+	}
+}
+
+
+static int eap_ttls_phase2_eap_process(struct eap_sm *sm,
+				       struct eap_ttls_data *data,
+				       struct eap_method_ret *ret,
+				       struct eap_hdr *hdr, size_t len,
+				       struct wpabuf **resp)
+{
+	struct wpabuf msg;
+	struct eap_method_ret iret;
+
+	os_memset(&iret, 0, sizeof(iret));
+	wpabuf_set(&msg, hdr, len);
+	*resp = data->phase2_method->process(sm, data->phase2_priv, &iret,
+					     &msg);
+	if ((iret.methodState == METHOD_DONE ||
+	     iret.methodState == METHOD_MAY_CONT) &&
+	    (iret.decision == DECISION_UNCOND_SUCC ||
+	     iret.decision == DECISION_COND_SUCC ||
+	     iret.decision == DECISION_FAIL)) {
+		ret->methodState = iret.methodState;
+		ret->decision = iret.decision;
+	}
+	eap_ttlsv1_phase2_eap_finish(sm, data, ret);
+
+	return 0;
+}
+
+
+static int eap_ttls_phase2_request_eap_method(struct eap_sm *sm,
+					      struct eap_ttls_data *data,
+					      struct eap_method_ret *ret,
+					      struct eap_hdr *hdr, size_t len,
+					      u8 method, struct wpabuf **resp)
+{
+#ifdef EAP_TNC
+	if (data->tnc_started && data->phase2_method &&
+	    data->phase2_priv && method == EAP_TYPE_TNC &&
+	    data->phase2_eap_type.method == EAP_TYPE_TNC)
+		return eap_ttls_phase2_eap_process(sm, data, ret, hdr, len,
+						   resp);
+
+	if (data->ready_for_tnc && !data->tnc_started &&
+	    method == EAP_TYPE_TNC) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: Start TNC after completed "
+			   "EAP method");
+		data->tnc_started = 1;
+	}
+
+	if (data->tnc_started) {
+		if (data->phase2_eap_type.vendor != EAP_VENDOR_IETF ||
+		    data->phase2_eap_type.method == EAP_TYPE_TNC) {
+			wpa_printf(MSG_DEBUG, "EAP-TTLS: Unexpected EAP "
+				   "type %d for TNC", method);
+			return -1;
+		}
+
+		data->phase2_eap_type.vendor = EAP_VENDOR_IETF;
+		data->phase2_eap_type.method = method;
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: Selected "
+			   "Phase 2 EAP vendor %d method %d (TNC)",
+			   data->phase2_eap_type.vendor,
+			   data->phase2_eap_type.method);
+
+		if (data->phase2_type == EAP_TTLS_PHASE2_EAP)
+			eap_ttls_phase2_eap_deinit(sm, data);
+	}
+#endif /* EAP_TNC */
+
+	if (data->phase2_eap_type.vendor == EAP_VENDOR_IETF &&
+	    data->phase2_eap_type.method == EAP_TYPE_NONE)
+		eap_ttls_phase2_select_eap_method(data, method);
+
+	if (method != data->phase2_eap_type.method || method == EAP_TYPE_NONE)
+	{
+		if (eap_peer_tls_phase2_nak(data->phase2_eap_types,
+					    data->num_phase2_eap_types,
+					    hdr, resp))
+			return -1;
+		return 0;
+	}
+
+	if (data->phase2_priv == NULL) {
+		data->phase2_method = eap_peer_get_eap_method(
+			EAP_VENDOR_IETF, method);
+		if (data->phase2_method) {
+			sm->init_phase2 = 1;
+			data->phase2_priv = data->phase2_method->init(sm);
+			sm->init_phase2 = 0;
+		}
+	}
+	if (data->phase2_priv == NULL || data->phase2_method == NULL) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: failed to initialize "
+			   "Phase 2 EAP method %d", method);
+		return -1;
+	}
+
+	return eap_ttls_phase2_eap_process(sm, data, ret, hdr, len, resp);
+}
+
+
+static int eap_ttls_phase2_request_eap(struct eap_sm *sm,
+				       struct eap_ttls_data *data,
+				       struct eap_method_ret *ret,
+				       struct eap_hdr *hdr,
+				       struct wpabuf **resp)
+{
+	size_t len = be_to_host16(hdr->length);
+	u8 *pos;
+	struct eap_peer_config *config = eap_get_config(sm);
+
+	if (len <= sizeof(struct eap_hdr)) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: too short "
+			   "Phase 2 request (len=%lu)", (unsigned long) len);
+		return -1;
+	}
+	pos = (u8 *) (hdr + 1);
+	wpa_printf(MSG_DEBUG, "EAP-TTLS: Phase 2 EAP Request: type=%d", *pos);
+	switch (*pos) {
+	case EAP_TYPE_IDENTITY:
+		*resp = eap_sm_buildIdentity(sm, hdr->identifier, 1);
+		break;
+	default:
+		if (eap_ttls_phase2_request_eap_method(sm, data, ret, hdr, len,
+						       *pos, resp) < 0)
+			return -1;
+		break;
+	}
+
+	if (*resp == NULL &&
+	    (config->pending_req_identity || config->pending_req_password ||
+	     config->pending_req_otp)) {
+		return 0;
+	}
+
+	if (*resp == NULL)
+		return -1;
+
+	wpa_hexdump_buf(MSG_DEBUG, "EAP-TTLS: AVP encapsulate EAP Response",
+			*resp);
+	return eap_ttls_avp_encapsulate(resp, RADIUS_ATTR_EAP_MESSAGE, 1);
+}
+
+
+static void eap_ttlsv1_permute_inner(struct eap_sm *sm,
+				     struct eap_ttls_data *data)
+{
+#if EAP_TTLS_VERSION > 0
+	u8 session_key[2 * MSCHAPV2_KEY_LEN];
+
+	if (data->ttls_version == 0)
+		return;
+
+	get_asymetric_start_key(data->master_key, session_key,
+				MSCHAPV2_KEY_LEN, 0, 0);
+	get_asymetric_start_key(data->master_key,
+				session_key + MSCHAPV2_KEY_LEN,
+				MSCHAPV2_KEY_LEN, 1, 0);
+	eap_ttls_ia_permute_inner_secret(sm, data, session_key,
+					 sizeof(session_key));
+#endif /* EAP_TTLS_VERSION */
+}
+
+
+static int eap_ttls_phase2_request_mschapv2(struct eap_sm *sm,
+					    struct eap_ttls_data *data,
+					    struct eap_method_ret *ret,
+					    struct wpabuf **resp)
+{
+	struct wpabuf *msg;
+	u8 *buf, *pos, *challenge, *peer_challenge;
+	const u8 *identity, *password;
+	size_t identity_len, password_len;
+	int pwhash;
+
+	wpa_printf(MSG_DEBUG, "EAP-TTLS: Phase 2 MSCHAPV2 Request");
+
+	identity = eap_get_config_identity(sm, &identity_len);
+	password = eap_get_config_password2(sm, &password_len, &pwhash);
+	if (identity == NULL || password == NULL)
+		return -1;
+
+	msg = wpabuf_alloc(identity_len + 1000);
+	if (msg == NULL) {
+		wpa_printf(MSG_ERROR,
+			   "EAP-TTLS/MSCHAPV2: Failed to allocate memory");
+		return -1;
+	}
+	pos = buf = wpabuf_mhead(msg);
+
+	/* User-Name */
+	pos = eap_ttls_avp_add(buf, pos, RADIUS_ATTR_USER_NAME, 0, 1,
+			       identity, identity_len);
+
+	/* MS-CHAP-Challenge */
+	challenge = eap_ttls_implicit_challenge(
+		sm, data, EAP_TTLS_MSCHAPV2_CHALLENGE_LEN + 1);
+	if (challenge == NULL) {
+		wpabuf_free(msg);
+		wpa_printf(MSG_ERROR, "EAP-TTLS/MSCHAPV2: Failed to derive "
+			   "implicit challenge");
+		return -1;
+	}
+	peer_challenge = challenge + 1 + EAP_TTLS_MSCHAPV2_CHALLENGE_LEN;
+
+	pos = eap_ttls_avp_add(buf, pos, RADIUS_ATTR_MS_CHAP_CHALLENGE,
+			       RADIUS_VENDOR_ID_MICROSOFT, 1,
+			       challenge, EAP_TTLS_MSCHAPV2_CHALLENGE_LEN);
+
+	/* MS-CHAP2-Response */
+	pos = eap_ttls_avp_hdr(pos, RADIUS_ATTR_MS_CHAP2_RESPONSE,
+			       RADIUS_VENDOR_ID_MICROSOFT, 1,
+			       EAP_TTLS_MSCHAPV2_RESPONSE_LEN);
+	data->ident = challenge[EAP_TTLS_MSCHAPV2_CHALLENGE_LEN];
+	*pos++ = data->ident;
+	*pos++ = 0; /* Flags */
+	os_memcpy(pos, peer_challenge, EAP_TTLS_MSCHAPV2_CHALLENGE_LEN);
+	pos += EAP_TTLS_MSCHAPV2_CHALLENGE_LEN;
+	os_memset(pos, 0, 8); /* Reserved, must be zero */
+	pos += 8;
+	if (mschapv2_derive_response(identity, identity_len, password,
+				     password_len, pwhash, challenge,
+				     peer_challenge, pos, data->auth_response,
+				     data->master_key)) {
+		wpabuf_free(msg);
+		wpa_printf(MSG_ERROR, "EAP-TTLS/MSCHAPV2: Failed to derive "
+			   "response");
+		return -1;
+	}
+	data->auth_response_valid = 1;
+
+	eap_ttlsv1_permute_inner(sm, data);
+
+	pos += 24;
+	os_free(challenge);
+	AVP_PAD(buf, pos);
+
+	wpabuf_put(msg, pos - buf);
+	*resp = msg;
+
+	if (sm->workaround && data->ttls_version == 0) {
+		/* At least FreeRADIUS seems to be terminating
+		 * EAP-TTLS/MSHCAPV2 without the expected MS-CHAP-v2 Success
+		 * packet. */
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAPV2: EAP workaround - "
+			   "allow success without tunneled response");
+		ret->methodState = METHOD_MAY_CONT;
+		ret->decision = DECISION_COND_SUCC;
+	}
+
+	return 0;
+}
+
+
+static int eap_ttls_phase2_request_mschap(struct eap_sm *sm,
+					  struct eap_ttls_data *data,
+					  struct eap_method_ret *ret,
+					  struct wpabuf **resp)
+{
+	struct wpabuf *msg;
+	u8 *buf, *pos, *challenge;
+	const u8 *identity, *password;
+	size_t identity_len, password_len;
+	int pwhash;
+
+	wpa_printf(MSG_DEBUG, "EAP-TTLS: Phase 2 MSCHAP Request");
+
+	identity = eap_get_config_identity(sm, &identity_len);
+	password = eap_get_config_password2(sm, &password_len, &pwhash);
+	if (identity == NULL || password == NULL)
+		return -1;
+
+	msg = wpabuf_alloc(identity_len + 1000);
+	if (msg == NULL) {
+		wpa_printf(MSG_ERROR,
+			   "EAP-TTLS/MSCHAP: Failed to allocate memory");
+		return -1;
+	}
+	pos = buf = wpabuf_mhead(msg);
+
+	/* User-Name */
+	pos = eap_ttls_avp_add(buf, pos, RADIUS_ATTR_USER_NAME, 0, 1,
+			       identity, identity_len);
+
+	/* MS-CHAP-Challenge */
+	challenge = eap_ttls_implicit_challenge(
+		sm, data, EAP_TTLS_MSCHAP_CHALLENGE_LEN + 1);
+	if (challenge == NULL) {
+		wpabuf_free(msg);
+		wpa_printf(MSG_ERROR, "EAP-TTLS/MSCHAP: Failed to derive "
+			   "implicit challenge");
+		return -1;
+	}
+
+	pos = eap_ttls_avp_add(buf, pos, RADIUS_ATTR_MS_CHAP_CHALLENGE,
+			       RADIUS_VENDOR_ID_MICROSOFT, 1,
+			       challenge, EAP_TTLS_MSCHAP_CHALLENGE_LEN);
+
+	/* MS-CHAP-Response */
+	pos = eap_ttls_avp_hdr(pos, RADIUS_ATTR_MS_CHAP_RESPONSE,
+			       RADIUS_VENDOR_ID_MICROSOFT, 1,
+			       EAP_TTLS_MSCHAP_RESPONSE_LEN);
+	data->ident = challenge[EAP_TTLS_MSCHAP_CHALLENGE_LEN];
+	*pos++ = data->ident;
+	*pos++ = 1; /* Flags: Use NT style passwords */
+	os_memset(pos, 0, 24); /* LM-Response */
+	pos += 24;
+	if (pwhash) {
+		challenge_response(challenge, password, pos); /* NT-Response */
+		wpa_hexdump_key(MSG_DEBUG, "EAP-TTLS: MSCHAP password hash",
+				password, 16);
+	} else {
+		nt_challenge_response(challenge, password, password_len,
+				      pos); /* NT-Response */
+		wpa_hexdump_ascii_key(MSG_DEBUG, "EAP-TTLS: MSCHAP password",
+				      password, password_len);
+	}
+	wpa_hexdump(MSG_DEBUG, "EAP-TTLS: MSCHAP implicit challenge",
+		    challenge, EAP_TTLS_MSCHAP_CHALLENGE_LEN);
+	wpa_hexdump(MSG_DEBUG, "EAP-TTLS: MSCHAP response", pos, 24);
+	pos += 24;
+	os_free(challenge);
+	AVP_PAD(buf, pos);
+
+	wpabuf_put(msg, pos - buf);
+	*resp = msg;
+
+	if (data->ttls_version > 0) {
+		/* EAP-TTLSv1 uses TLS/IA FinalPhaseFinished to report success,
+		 * so do not allow connection to be terminated yet. */
+		ret->methodState = METHOD_CONT;
+		ret->decision = DECISION_COND_SUCC;
+	} else {
+		/* EAP-TTLS/MSCHAP does not provide tunneled success
+		 * notification, so assume that Phase2 succeeds. */
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_COND_SUCC;
+	}
+
+	return 0;
+}
+
+
+static int eap_ttls_phase2_request_pap(struct eap_sm *sm,
+				       struct eap_ttls_data *data,
+				       struct eap_method_ret *ret,
+				       struct wpabuf **resp)
+{
+	struct wpabuf *msg;
+	u8 *buf, *pos;
+	size_t pad;
+	const u8 *identity, *password;
+	size_t identity_len, password_len;
+
+	wpa_printf(MSG_DEBUG, "EAP-TTLS: Phase 2 PAP Request");
+
+	identity = eap_get_config_identity(sm, &identity_len);
+	password = eap_get_config_password(sm, &password_len);
+	if (identity == NULL || password == NULL)
+		return -1;
+
+	msg = wpabuf_alloc(identity_len + password_len + 100);
+	if (msg == NULL) {
+		wpa_printf(MSG_ERROR,
+			   "EAP-TTLS/PAP: Failed to allocate memory");
+		return -1;
+	}
+	pos = buf = wpabuf_mhead(msg);
+
+	/* User-Name */
+	pos = eap_ttls_avp_add(buf, pos, RADIUS_ATTR_USER_NAME, 0, 1,
+			       identity, identity_len);
+
+	/* User-Password; in RADIUS, this is encrypted, but EAP-TTLS encrypts
+	 * the data, so no separate encryption is used in the AVP itself.
+	 * However, the password is padded to obfuscate its length. */
+	pad = password_len == 0 ? 16 : (16 - (password_len & 15)) & 15;
+	pos = eap_ttls_avp_hdr(pos, RADIUS_ATTR_USER_PASSWORD, 0, 1,
+			       password_len + pad);
+	os_memcpy(pos, password, password_len);
+	pos += password_len;
+	os_memset(pos, 0, pad);
+	pos += pad;
+	AVP_PAD(buf, pos);
+
+	wpabuf_put(msg, pos - buf);
+	*resp = msg;
+
+	if (data->ttls_version > 0) {
+		/* EAP-TTLSv1 uses TLS/IA FinalPhaseFinished to report success,
+		 * so do not allow connection to be terminated yet. */
+		ret->methodState = METHOD_CONT;
+		ret->decision = DECISION_COND_SUCC;
+	} else {
+		/* EAP-TTLS/PAP does not provide tunneled success notification,
+		 * so assume that Phase2 succeeds. */
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_COND_SUCC;
+	}
+
+	return 0;
+}
+
+
+static int eap_ttls_phase2_request_chap(struct eap_sm *sm,
+					struct eap_ttls_data *data,
+					struct eap_method_ret *ret,
+					struct wpabuf **resp)
+{
+	struct wpabuf *msg;
+	u8 *buf, *pos, *challenge;
+	const u8 *identity, *password;
+	size_t identity_len, password_len;
+
+	wpa_printf(MSG_DEBUG, "EAP-TTLS: Phase 2 CHAP Request");
+
+	identity = eap_get_config_identity(sm, &identity_len);
+	password = eap_get_config_password(sm, &password_len);
+	if (identity == NULL || password == NULL)
+		return -1;
+
+	msg = wpabuf_alloc(identity_len + 1000);
+	if (msg == NULL) {
+		wpa_printf(MSG_ERROR,
+			   "EAP-TTLS/CHAP: Failed to allocate memory");
+		return -1;
+	}
+	pos = buf = wpabuf_mhead(msg);
+
+	/* User-Name */
+	pos = eap_ttls_avp_add(buf, pos, RADIUS_ATTR_USER_NAME, 0, 1,
+			       identity, identity_len);
+
+	/* CHAP-Challenge */
+	challenge = eap_ttls_implicit_challenge(
+		sm, data, EAP_TTLS_CHAP_CHALLENGE_LEN + 1);
+	if (challenge == NULL) {
+		wpabuf_free(msg);
+		wpa_printf(MSG_ERROR, "EAP-TTLS/CHAP: Failed to derive "
+			   "implicit challenge");
+		return -1;
+	}
+
+	pos = eap_ttls_avp_add(buf, pos, RADIUS_ATTR_CHAP_CHALLENGE, 0, 1,
+			       challenge, EAP_TTLS_CHAP_CHALLENGE_LEN);
+
+	/* CHAP-Password */
+	pos = eap_ttls_avp_hdr(pos, RADIUS_ATTR_CHAP_PASSWORD, 0, 1,
+			       1 + EAP_TTLS_CHAP_PASSWORD_LEN);
+	data->ident = challenge[EAP_TTLS_CHAP_CHALLENGE_LEN];
+	*pos++ = data->ident;
+
+	/* MD5(Ident + Password + Challenge) */
+	chap_md5(data->ident, password, password_len, challenge,
+		 EAP_TTLS_CHAP_CHALLENGE_LEN, pos);
+
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-TTLS: CHAP username",
+			  identity, identity_len);
+	wpa_hexdump_ascii_key(MSG_DEBUG, "EAP-TTLS: CHAP password",
+			      password, password_len);
+	wpa_hexdump(MSG_DEBUG, "EAP-TTLS: CHAP implicit challenge",
+		    challenge, EAP_TTLS_CHAP_CHALLENGE_LEN);
+	wpa_hexdump(MSG_DEBUG, "EAP-TTLS: CHAP password",
+		    pos, EAP_TTLS_CHAP_PASSWORD_LEN);
+	pos += EAP_TTLS_CHAP_PASSWORD_LEN;
+	os_free(challenge);
+	AVP_PAD(buf, pos);
+
+	wpabuf_put(msg, pos - buf);
+	*resp = msg;
+
+	if (data->ttls_version > 0) {
+		/* EAP-TTLSv1 uses TLS/IA FinalPhaseFinished to report success,
+		 * so do not allow connection to be terminated yet. */
+		ret->methodState = METHOD_CONT;
+		ret->decision = DECISION_COND_SUCC;
+	} else {
+		/* EAP-TTLS/CHAP does not provide tunneled success
+		 * notification, so assume that Phase2 succeeds. */
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_COND_SUCC;
+	}
+
+	return 0;
+}
+
+
+static int eap_ttls_phase2_request(struct eap_sm *sm,
+				   struct eap_ttls_data *data,
+				   struct eap_method_ret *ret,
+				   struct eap_hdr *hdr,
+				   struct wpabuf **resp)
+{
+	int res = 0;
+	size_t len;
+	enum phase2_types phase2_type = data->phase2_type;
+
+#ifdef EAP_TNC
+	if (data->tnc_started) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: Processing TNC");
+		phase2_type = EAP_TTLS_PHASE2_EAP;
+	}
+#endif /* EAP_TNC */
+
+	if (phase2_type == EAP_TTLS_PHASE2_MSCHAPV2 ||
+	    phase2_type == EAP_TTLS_PHASE2_MSCHAP ||
+	    phase2_type == EAP_TTLS_PHASE2_PAP ||
+	    phase2_type == EAP_TTLS_PHASE2_CHAP) {
+		if (eap_get_config_identity(sm, &len) == NULL) {
+			wpa_printf(MSG_INFO,
+				   "EAP-TTLS: Identity not configured");
+			eap_sm_request_identity(sm);
+			if (eap_get_config_password(sm, &len) == NULL)
+				eap_sm_request_password(sm);
+			return 0;
+		}
+
+		if (eap_get_config_password(sm, &len) == NULL) {
+			wpa_printf(MSG_INFO,
+				   "EAP-TTLS: Password not configured");
+			eap_sm_request_password(sm);
+			return 0;
+		}
+	}
+
+	switch (phase2_type) {
+	case EAP_TTLS_PHASE2_EAP:
+		res = eap_ttls_phase2_request_eap(sm, data, ret, hdr, resp);
+		break;
+	case EAP_TTLS_PHASE2_MSCHAPV2:
+		res = eap_ttls_phase2_request_mschapv2(sm, data, ret, resp);
+		break;
+	case EAP_TTLS_PHASE2_MSCHAP:
+		res = eap_ttls_phase2_request_mschap(sm, data, ret, resp);
+		break;
+	case EAP_TTLS_PHASE2_PAP:
+		res = eap_ttls_phase2_request_pap(sm, data, ret, resp);
+		break;
+	case EAP_TTLS_PHASE2_CHAP:
+		res = eap_ttls_phase2_request_chap(sm, data, ret, resp);
+		break;
+	default:
+		wpa_printf(MSG_ERROR, "EAP-TTLS: Phase 2 - Unknown");
+		res = -1;
+		break;
+	}
+
+	if (res < 0) {
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_FAIL;
+	}
+
+	return res;
+}
+
+
+#if EAP_TTLS_VERSION > 0
+static struct wpabuf * eap_ttls_build_phase_finished(
+	struct eap_sm *sm, struct eap_ttls_data *data, int id, int final)
+{
+	struct wpabuf *req, *buf;
+
+	buf = tls_connection_ia_send_phase_finished(sm->ssl_ctx,
+						    data->ssl.conn,
+						    final);
+	if (buf == NULL)
+		return NULL;
+
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_TTLS,
+			    1 + wpabuf_len(buf),
+			    EAP_CODE_RESPONSE, id);
+	if (req == NULL) {
+		wpabuf_free(buf);
+		return NULL;
+	}
+
+	wpabuf_put_u8(req, data->ttls_version);
+	wpabuf_put_buf(req, buf);
+	wpabuf_free(buf);
+	eap_update_len(req);
+
+	return req;
+}
+#endif /* EAP_TTLS_VERSION */
+
+
+struct ttls_parse_avp {
+	u8 *mschapv2;
+	u8 *eapdata;
+	size_t eap_len;
+	int mschapv2_error;
+};
+
+
+static int eap_ttls_parse_attr_eap(const u8 *dpos, size_t dlen,
+				   struct ttls_parse_avp *parse)
+{
+	wpa_printf(MSG_DEBUG, "EAP-TTLS: AVP - EAP Message");
+	if (parse->eapdata == NULL) {
+		parse->eapdata = os_malloc(dlen);
+		if (parse->eapdata == NULL) {
+			wpa_printf(MSG_WARNING, "EAP-TTLS: Failed to allocate "
+				   "memory for Phase 2 EAP data");
+			return -1;
+		}
+		os_memcpy(parse->eapdata, dpos, dlen);
+		parse->eap_len = dlen;
+	} else {
+		u8 *neweap = os_realloc(parse->eapdata, parse->eap_len + dlen);
+		if (neweap == NULL) {
+			wpa_printf(MSG_WARNING, "EAP-TTLS: Failed to allocate "
+				   "memory for Phase 2 EAP data");
+			return -1;
+		}
+		os_memcpy(neweap + parse->eap_len, dpos, dlen);
+		parse->eapdata = neweap;
+		parse->eap_len += dlen;
+	}
+
+	return 0;
+}
+
+
+static int eap_ttls_parse_avp(u8 *pos, size_t left,
+			      struct ttls_parse_avp *parse)
+{
+	struct ttls_avp *avp;
+	u32 avp_code, avp_length, vendor_id = 0;
+	u8 avp_flags, *dpos;
+	size_t dlen;
+
+	avp = (struct ttls_avp *) pos;
+	avp_code = be_to_host32(avp->avp_code);
+	avp_length = be_to_host32(avp->avp_length);
+	avp_flags = (avp_length >> 24) & 0xff;
+	avp_length &= 0xffffff;
+	wpa_printf(MSG_DEBUG, "EAP-TTLS: AVP: code=%d flags=0x%02x "
+		   "length=%d", (int) avp_code, avp_flags,
+		   (int) avp_length);
+
+	if (avp_length > left) {
+		wpa_printf(MSG_WARNING, "EAP-TTLS: AVP overflow "
+			   "(len=%d, left=%lu) - dropped",
+			   (int) avp_length, (unsigned long) left);
+		return -1;
+	}
+
+	if (avp_length < sizeof(*avp)) {
+		wpa_printf(MSG_WARNING, "EAP-TTLS: Invalid AVP length %d",
+			   avp_length);
+		return -1;
+	}
+
+	dpos = (u8 *) (avp + 1);
+	dlen = avp_length - sizeof(*avp);
+	if (avp_flags & AVP_FLAGS_VENDOR) {
+		if (dlen < 4) {
+			wpa_printf(MSG_WARNING, "EAP-TTLS: Vendor AVP "
+				   "underflow");
+			return -1;
+		}
+		vendor_id = WPA_GET_BE32(dpos);
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: AVP vendor_id %d",
+			   (int) vendor_id);
+		dpos += 4;
+		dlen -= 4;
+	}
+
+	wpa_hexdump(MSG_DEBUG, "EAP-TTLS: AVP data", dpos, dlen);
+
+	if (vendor_id == 0 && avp_code == RADIUS_ATTR_EAP_MESSAGE) {
+		if (eap_ttls_parse_attr_eap(dpos, dlen, parse) < 0)
+			return -1;
+	} else if (vendor_id == 0 && avp_code == RADIUS_ATTR_REPLY_MESSAGE) {
+		/* This is an optional message that can be displayed to
+		 * the user. */
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-TTLS: AVP - Reply-Message",
+				  dpos, dlen);
+	} else if (vendor_id == RADIUS_VENDOR_ID_MICROSOFT &&
+		   avp_code == RADIUS_ATTR_MS_CHAP2_SUCCESS) {
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-TTLS: MS-CHAP2-Success",
+				  dpos, dlen);
+		if (dlen != 43) {
+			wpa_printf(MSG_WARNING, "EAP-TTLS: Unexpected "
+				   "MS-CHAP2-Success length "
+				   "(len=%lu, expected 43)",
+				   (unsigned long) dlen);
+			return -1;
+		}
+		parse->mschapv2 = dpos;
+	} else if (vendor_id == RADIUS_VENDOR_ID_MICROSOFT &&
+		   avp_code == RADIUS_ATTR_MS_CHAP_ERROR) {
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-TTLS: MS-CHAP-Error",
+				  dpos, dlen);
+		parse->mschapv2_error = 1;
+	} else if (avp_flags & AVP_FLAGS_MANDATORY) {
+		wpa_printf(MSG_WARNING, "EAP-TTLS: Unsupported mandatory AVP "
+			   "code %d vendor_id %d - dropped",
+			   (int) avp_code, (int) vendor_id);
+		return -1;
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: Ignoring unsupported AVP "
+			   "code %d vendor_id %d",
+			   (int) avp_code, (int) vendor_id);
+	}
+
+	return avp_length;
+}
+
+
+static int eap_ttls_parse_avps(struct wpabuf *in_decrypted,
+			       struct ttls_parse_avp *parse)
+{
+	u8 *pos;
+	size_t left, pad;
+	int avp_length;
+
+	pos = wpabuf_mhead(in_decrypted);
+	left = wpabuf_len(in_decrypted);
+	wpa_hexdump(MSG_DEBUG, "EAP-TTLS: Decrypted Phase 2 AVPs", pos, left);
+	if (left < sizeof(struct ttls_avp)) {
+		wpa_printf(MSG_WARNING, "EAP-TTLS: Too short Phase 2 AVP frame"
+			   " len=%lu expected %lu or more - dropped",
+			   (unsigned long) left,
+			   (unsigned long) sizeof(struct ttls_avp));
+		return -1;
+	}
+
+	/* Parse AVPs */
+	os_memset(parse, 0, sizeof(*parse));
+
+	while (left > 0) {
+		avp_length = eap_ttls_parse_avp(pos, left, parse);
+		if (avp_length < 0)
+			return -1;
+
+		pad = (4 - (avp_length & 3)) & 3;
+		pos += avp_length + pad;
+		if (left < avp_length + pad)
+			left = 0;
+		else
+			left -= avp_length + pad;
+	}
+
+	return 0;
+}
+
+
+static u8 * eap_ttls_fake_identity_request(void)
+{
+	struct eap_hdr *hdr;
+	u8 *buf;
+
+	wpa_printf(MSG_DEBUG, "EAP-TTLS: empty data in beginning of "
+		   "Phase 2 - use fake EAP-Request Identity");
+	buf = os_malloc(sizeof(*hdr) + 1);
+	if (buf == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-TTLS: failed to allocate "
+			   "memory for fake EAP-Identity Request");
+		return NULL;
+	}
+
+	hdr = (struct eap_hdr *) buf;
+	hdr->code = EAP_CODE_REQUEST;
+	hdr->identifier = 0;
+	hdr->length = host_to_be16(sizeof(*hdr) + 1);
+	buf[sizeof(*hdr)] = EAP_TYPE_IDENTITY;
+
+	return buf;
+}
+
+
+static int eap_ttls_encrypt_response(struct eap_sm *sm,
+				     struct eap_ttls_data *data,
+				     struct wpabuf *resp, u8 identifier,
+				     struct wpabuf **out_data)
+{
+	if (resp == NULL)
+		return 0;
+
+	wpa_hexdump_buf_key(MSG_DEBUG, "EAP-TTLS: Encrypting Phase 2 data",
+			    resp);
+	if (eap_peer_tls_encrypt(sm, &data->ssl, EAP_TYPE_TTLS,
+				 data->ttls_version, identifier,
+				 resp, out_data)) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: Failed to encrypt a Phase 2 "
+			   "frame");
+		return -1;
+	}
+	wpabuf_free(resp);
+
+	return 0;
+}
+
+
+static int eap_ttls_process_phase2_eap(struct eap_sm *sm,
+				       struct eap_ttls_data *data,
+				       struct eap_method_ret *ret,
+				       struct ttls_parse_avp *parse,
+				       struct wpabuf **resp)
+{
+	struct eap_hdr *hdr;
+	size_t len;
+
+	if (parse->eapdata == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-TTLS: No EAP Message in the "
+			   "packet - dropped");
+		return -1;
+	}
+
+	wpa_hexdump(MSG_DEBUG, "EAP-TTLS: Phase 2 EAP",
+		    parse->eapdata, parse->eap_len);
+	hdr = (struct eap_hdr *) parse->eapdata;
+
+	if (parse->eap_len < sizeof(*hdr)) {
+		wpa_printf(MSG_WARNING, "EAP-TTLS: Too short Phase 2 EAP "
+			   "frame (len=%lu, expected %lu or more) - dropped",
+			   (unsigned long) parse->eap_len,
+			   (unsigned long) sizeof(*hdr));
+		return -1;
+	}
+	len = be_to_host16(hdr->length);
+	if (len > parse->eap_len) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: Length mismatch in Phase 2 "
+			   "EAP frame (EAP hdr len=%lu, EAP data len in "
+			   "AVP=%lu)",
+			   (unsigned long) len,
+			   (unsigned long) parse->eap_len);
+		return -1;
+	}
+	wpa_printf(MSG_DEBUG, "EAP-TTLS: received Phase 2: code=%d "
+		   "identifier=%d length=%lu",
+		   hdr->code, hdr->identifier, (unsigned long) len);
+	switch (hdr->code) {
+	case EAP_CODE_REQUEST:
+		if (eap_ttls_phase2_request(sm, data, ret, hdr, resp)) {
+			wpa_printf(MSG_INFO, "EAP-TTLS: Phase2 Request "
+				   "processing failed");
+			return -1;
+		}
+		break;
+	default:
+		wpa_printf(MSG_INFO, "EAP-TTLS: Unexpected code=%d in "
+			   "Phase 2 EAP header", hdr->code);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int eap_ttls_process_phase2_mschapv2(struct eap_sm *sm,
+					    struct eap_ttls_data *data,
+					    struct eap_method_ret *ret,
+					    struct ttls_parse_avp *parse)
+{
+	if (parse->mschapv2_error) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAPV2: Received "
+			   "MS-CHAP-Error - failed");
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_FAIL;
+		/* Reply with empty data to ACK error */
+		return 1;
+	}
+
+	if (parse->mschapv2 == NULL) {
+#ifdef EAP_TNC
+		if (data->phase2_success && parse->eapdata) {
+			/*
+			 * Allow EAP-TNC to be started after successfully
+			 * completed MSCHAPV2.
+			 */
+			return 1;
+		}
+#endif /* EAP_TNC */
+		wpa_printf(MSG_WARNING, "EAP-TTLS: no MS-CHAP2-Success AVP "
+			   "received for Phase2 MSCHAPV2");
+		return -1;
+	}
+	if (parse->mschapv2[0] != data->ident) {
+		wpa_printf(MSG_WARNING, "EAP-TTLS: Ident mismatch for Phase 2 "
+			   "MSCHAPV2 (received Ident 0x%02x, expected 0x%02x)",
+			   parse->mschapv2[0], data->ident);
+		return -1;
+	}
+	if (!data->auth_response_valid ||
+	    mschapv2_verify_auth_response(data->auth_response,
+					  parse->mschapv2 + 1, 42)) {
+		wpa_printf(MSG_WARNING, "EAP-TTLS: Invalid authenticator "
+			   "response in Phase 2 MSCHAPV2 success request");
+		return -1;
+	}
+
+	wpa_printf(MSG_INFO, "EAP-TTLS: Phase 2 MSCHAPV2 "
+		   "authentication succeeded");
+	if (data->ttls_version > 0) {
+		/*
+		 * EAP-TTLSv1 uses TLS/IA FinalPhaseFinished to report
+		 * success, so do not allow connection to be terminated
+		 * yet.
+		 */
+		ret->methodState = METHOD_CONT;
+		ret->decision = DECISION_COND_SUCC;
+	} else {
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_UNCOND_SUCC;
+		data->phase2_success = 1;
+	}
+
+	/*
+	 * Reply with empty data; authentication server will reply
+	 * with EAP-Success after this.
+	 */
+	return 1;
+}
+
+
+#ifdef EAP_TNC
+static int eap_ttls_process_tnc_start(struct eap_sm *sm,
+				      struct eap_ttls_data *data,
+				      struct eap_method_ret *ret,
+				      struct ttls_parse_avp *parse,
+				      struct wpabuf **resp)
+{
+	/* TNC uses inner EAP method after non-EAP TTLS phase 2. */
+	if (parse->eapdata == NULL) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: Phase 2 received "
+			   "unexpected tunneled data (no EAP)");
+		return -1;
+	}
+
+	if (!data->ready_for_tnc) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: Phase 2 received "
+			   "EAP after non-EAP, but not ready for TNC");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-TTLS: Start TNC after completed "
+		   "non-EAP method");
+	data->tnc_started = 1;
+
+	if (eap_ttls_process_phase2_eap(sm, data, ret, parse, resp) < 0)
+		return -1;
+
+	return 0;
+}
+#endif /* EAP_TNC */
+
+
+static int eap_ttls_process_decrypted(struct eap_sm *sm,
+				      struct eap_ttls_data *data,
+				      struct eap_method_ret *ret,
+				      u8 identifier,
+				      struct ttls_parse_avp *parse,
+				      struct wpabuf *in_decrypted,
+				      struct wpabuf **out_data)
+{
+	struct wpabuf *resp = NULL;
+	struct eap_peer_config *config = eap_get_config(sm);
+	int res;
+	enum phase2_types phase2_type = data->phase2_type;
+
+#ifdef EAP_TNC
+	if (data->tnc_started)
+		phase2_type = EAP_TTLS_PHASE2_EAP;
+#endif /* EAP_TNC */
+
+	switch (phase2_type) {
+	case EAP_TTLS_PHASE2_EAP:
+		if (eap_ttls_process_phase2_eap(sm, data, ret, parse, &resp) <
+		    0)
+			return -1;
+		break;
+	case EAP_TTLS_PHASE2_MSCHAPV2:
+		res = eap_ttls_process_phase2_mschapv2(sm, data, ret, parse);
+#ifdef EAP_TNC
+		if (res == 1 && parse->eapdata && data->phase2_success) {
+			/*
+			 * TNC may be required as the next
+			 * authentication method within the tunnel.
+			 */
+			ret->methodState = METHOD_MAY_CONT;
+			data->ready_for_tnc = 1;
+			if (eap_ttls_process_tnc_start(sm, data, ret, parse,
+						       &resp) == 0)
+				break;
+		}
+#endif /* EAP_TNC */
+		return res;
+	case EAP_TTLS_PHASE2_MSCHAP:
+	case EAP_TTLS_PHASE2_PAP:
+	case EAP_TTLS_PHASE2_CHAP:
+#ifdef EAP_TNC
+		if (eap_ttls_process_tnc_start(sm, data, ret, parse, &resp) <
+		    0)
+			return -1;
+		break;
+#else /* EAP_TNC */
+		/* EAP-TTLS/{MSCHAP,PAP,CHAP} should not send any TLS tunneled
+		 * requests to the supplicant */
+		wpa_printf(MSG_INFO, "EAP-TTLS: Phase 2 received unexpected "
+			   "tunneled data");
+		return -1;
+#endif /* EAP_TNC */
+	}
+
+	if (resp) {
+		if (eap_ttls_encrypt_response(sm, data, resp, identifier,
+					      out_data) < 0)
+			return -1;
+	} else if (config->pending_req_identity ||
+		   config->pending_req_password ||
+		   config->pending_req_otp ||
+		   config->pending_req_new_password) {
+		wpabuf_free(data->pending_phase2_req);
+		data->pending_phase2_req = wpabuf_dup(in_decrypted);
+	}
+
+	return 0;
+}
+
+
+#if EAP_TTLS_VERSION > 0
+static void eap_ttls_final_phase_finished(struct eap_sm *sm,
+					  struct eap_ttls_data *data,
+					  struct eap_method_ret *ret,
+					  u8 identifier,
+					  struct wpabuf **out_data)
+{
+	wpa_printf(MSG_DEBUG, "EAP-TTLS: FinalPhaseFinished received");
+	wpa_printf(MSG_INFO, "EAP-TTLS: TLS/IA authentication succeeded");
+	ret->methodState = METHOD_DONE;
+	ret->decision = DECISION_UNCOND_SUCC;
+	data->phase2_success = 1;
+	*out_data = eap_ttls_build_phase_finished(sm, data, identifier, 1);
+	eap_ttls_v1_derive_key(sm, data);
+}
+#endif /* EAP_TTLS_VERSION */
+
+
+static int eap_ttls_implicit_identity_request(struct eap_sm *sm,
+					      struct eap_ttls_data *data,
+					      struct eap_method_ret *ret,
+					      u8 identifier,
+					      struct wpabuf **out_data)
+{
+	int retval = 0;
+	struct eap_hdr *hdr;
+	struct wpabuf *resp;
+
+	hdr = (struct eap_hdr *) eap_ttls_fake_identity_request();
+	if (hdr == NULL) {
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_FAIL;
+		return -1;
+	}
+
+	resp = NULL;
+	if (eap_ttls_phase2_request(sm, data, ret, hdr, &resp)) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: Phase2 Request "
+			   "processing failed");
+		retval = -1;
+	} else {
+		retval = eap_ttls_encrypt_response(sm, data, resp, identifier,
+						   out_data);
+	}
+
+	os_free(hdr);
+
+	if (retval < 0) {
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_FAIL;
+	}
+
+	return retval;
+}
+
+
+static int eap_ttls_phase2_start(struct eap_sm *sm, struct eap_ttls_data *data,
+				 struct eap_method_ret *ret, u8 identifier,
+				 struct wpabuf **out_data)
+{
+	data->phase2_start = 0;
+
+	/*
+	 * EAP-TTLS does not use Phase2 on fast re-auth; this must be done only
+	 * if TLS part was indeed resuming a previous session. Most
+	 * Authentication Servers terminate EAP-TTLS before reaching this
+	 * point, but some do not. Make wpa_supplicant stop phase 2 here, if
+	 * needed.
+	 */
+	if (data->reauth &&
+	    tls_connection_resumed(sm->ssl_ctx, data->ssl.conn)) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: Session resumption - "
+			   "skip phase 2");
+		*out_data = eap_peer_tls_build_ack(identifier, EAP_TYPE_TTLS,
+						   data->ttls_version);
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_UNCOND_SUCC;
+		data->phase2_success = 1;
+		return 0;
+	}
+
+	return eap_ttls_implicit_identity_request(sm, data, ret, identifier,
+						  out_data);
+}
+
+
+static int eap_ttls_decrypt(struct eap_sm *sm, struct eap_ttls_data *data,
+			    struct eap_method_ret *ret, u8 identifier,
+			    const struct wpabuf *in_data,
+			    struct wpabuf **out_data)
+{
+	struct wpabuf *in_decrypted = NULL;
+	int retval = 0;
+	struct ttls_parse_avp parse;
+
+	os_memset(&parse, 0, sizeof(parse));
+
+	wpa_printf(MSG_DEBUG, "EAP-TTLS: received %lu bytes encrypted data for"
+		   " Phase 2",
+		   in_data ? (unsigned long) wpabuf_len(in_data) : 0);
+
+	if (data->pending_phase2_req) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: Pending Phase 2 request - "
+			   "skip decryption and use old data");
+		/* Clear TLS reassembly state. */
+		eap_peer_tls_reset_input(&data->ssl);
+
+		in_decrypted = data->pending_phase2_req;
+		data->pending_phase2_req = NULL;
+		if (wpabuf_len(in_decrypted) == 0) {
+			wpabuf_free(in_decrypted);
+			return eap_ttls_implicit_identity_request(
+				sm, data, ret, identifier, out_data);
+		}
+		goto continue_req;
+	}
+
+	if ((in_data == NULL || wpabuf_len(in_data) == 0) &&
+	    data->phase2_start) {
+		return eap_ttls_phase2_start(sm, data, ret, identifier,
+					     out_data);
+	}
+
+	if (in_data == NULL || wpabuf_len(in_data) == 0) {
+		/* Received TLS ACK - requesting more fragments */
+		return eap_peer_tls_encrypt(sm, &data->ssl, EAP_TYPE_TTLS,
+					    data->ttls_version,
+					    identifier, NULL, out_data);
+	}
+
+	retval = eap_peer_tls_decrypt(sm, &data->ssl, in_data, &in_decrypted);
+	if (retval)
+		goto done;
+
+#if EAP_TTLS_VERSION > 0
+	if (data->ttls_version > 0 &&
+	    (in_decrypted == NULL || wpabuf_len(in_decrypted) == 0) &&
+	    tls_connection_ia_final_phase_finished(sm->ssl_ctx,
+						   data->ssl.conn)) {
+		eap_ttls_final_phase_finished(sm, data, ret, identifier,
+					      out_data);
+		goto done;
+	}
+#endif /* EAP_TTLS_VERSION */
+
+continue_req:
+	data->phase2_start = 0;
+
+	if (eap_ttls_parse_avps(in_decrypted, &parse) < 0) {
+		retval = -1;
+		goto done;
+	}
+
+	retval = eap_ttls_process_decrypted(sm, data, ret, identifier,
+					    &parse, in_decrypted, out_data);
+
+done:
+	wpabuf_free(in_decrypted);
+	os_free(parse.eapdata);
+
+	if (retval < 0) {
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_FAIL;
+	}
+
+	return retval;
+}
+
+
+static int eap_ttls_process_start(struct eap_sm *sm,
+				  struct eap_ttls_data *data, u8 flags,
+				  struct eap_method_ret *ret)
+{
+	struct eap_peer_config *config = eap_get_config(sm);
+
+	wpa_printf(MSG_DEBUG, "EAP-TTLS: Start (server ver=%d, own ver=%d)",
+		   flags & EAP_TLS_VERSION_MASK, data->ttls_version);
+#if EAP_TTLS_VERSION > 0
+	if ((flags & EAP_TLS_VERSION_MASK) < data->ttls_version)
+		data->ttls_version = flags & EAP_TLS_VERSION_MASK;
+	if (data->force_ttls_version >= 0 &&
+	    data->force_ttls_version != data->ttls_version) {
+		wpa_printf(MSG_WARNING, "EAP-TTLS: Failed to select "
+			   "forced TTLS version %d",
+			   data->force_ttls_version);
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_FAIL;
+		ret->allowNotifications = FALSE;
+		return -1;
+	}
+	wpa_printf(MSG_DEBUG, "EAP-TTLS: Using TTLS version %d",
+		   data->ttls_version);
+
+	if (data->ttls_version > 0)
+		data->ssl.tls_ia = 1;
+#endif /* EAP_TTLS_VERSION */
+	if (!data->ssl_initialized &&
+	    eap_peer_tls_ssl_init(sm, &data->ssl, config)) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: Failed to initialize SSL.");
+		return -1;
+	}
+	data->ssl_initialized = 1;
+
+	wpa_printf(MSG_DEBUG, "EAP-TTLS: Start");
+
+	return 0;
+}
+
+
+static int eap_ttls_process_handshake(struct eap_sm *sm,
+				      struct eap_ttls_data *data,
+				      struct eap_method_ret *ret,
+				      u8 identifier,
+				      const u8 *in_data, size_t in_len,
+				      struct wpabuf **out_data)
+{
+	int res;
+
+	res = eap_peer_tls_process_helper(sm, &data->ssl, EAP_TYPE_TTLS,
+					  data->ttls_version, identifier,
+					  in_data, in_len, out_data);
+
+	if (tls_connection_established(sm->ssl_ctx, data->ssl.conn)) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: TLS done, proceed to "
+			   "Phase 2");
+		if (data->resuming) {
+			wpa_printf(MSG_DEBUG, "EAP-TTLS: fast reauth - may "
+				   "skip Phase 2");
+			ret->decision = DECISION_COND_SUCC;
+			ret->methodState = METHOD_MAY_CONT;
+		}
+		data->phase2_start = 1;
+		if (data->ttls_version == 0)
+			eap_ttls_v0_derive_key(sm, data);
+
+		if (*out_data == NULL || wpabuf_len(*out_data) == 0) {
+			if (eap_ttls_decrypt(sm, data, ret, identifier,
+					     NULL, out_data)) {
+				wpa_printf(MSG_WARNING, "EAP-TTLS: "
+					   "failed to process early "
+					   "start for Phase 2");
+			}
+			res = 0;
+		}
+		data->resuming = 0;
+	}
+
+	if (res == 2) {
+		struct wpabuf msg;
+		/*
+		 * Application data included in the handshake message.
+		 */
+		wpabuf_free(data->pending_phase2_req);
+		data->pending_phase2_req = *out_data;
+		*out_data = NULL;
+		wpabuf_set(&msg, in_data, in_len);
+		res = eap_ttls_decrypt(sm, data, ret, identifier, &msg,
+				       out_data);
+	}
+
+	return res;
+}
+
+
+static void eap_ttls_check_auth_status(struct eap_sm *sm, 
+				       struct eap_ttls_data *data,
+				       struct eap_method_ret *ret)
+{
+	if (data->ttls_version == 0 && ret->methodState == METHOD_DONE) {
+		ret->allowNotifications = FALSE;
+		if (ret->decision == DECISION_UNCOND_SUCC ||
+		    ret->decision == DECISION_COND_SUCC) {
+			wpa_printf(MSG_DEBUG, "EAP-TTLS: Authentication "
+				   "completed successfully");
+			data->phase2_success = 1;
+#ifdef EAP_TNC
+			if (!data->ready_for_tnc && !data->tnc_started) {
+				/*
+				 * TNC may be required as the next
+				 * authentication method within the tunnel.
+				 */
+				ret->methodState = METHOD_MAY_CONT;
+				data->ready_for_tnc = 1;
+			}
+#endif /* EAP_TNC */
+		}
+	} else if (data->ttls_version == 0 &&
+		   ret->methodState == METHOD_MAY_CONT &&
+		   (ret->decision == DECISION_UNCOND_SUCC ||
+		    ret->decision == DECISION_COND_SUCC)) {
+			wpa_printf(MSG_DEBUG, "EAP-TTLS: Authentication "
+				   "completed successfully (MAY_CONT)");
+			data->phase2_success = 1;
+	}
+}
+
+
+static struct wpabuf * eap_ttls_process(struct eap_sm *sm, void *priv,
+					struct eap_method_ret *ret,
+					const struct wpabuf *reqData)
+{
+	size_t left;
+	int res;
+	u8 flags, id;
+	struct wpabuf *resp;
+	const u8 *pos;
+	struct eap_ttls_data *data = priv;
+
+	pos = eap_peer_tls_process_init(sm, &data->ssl, EAP_TYPE_TTLS, ret,
+					reqData, &left, &flags);
+	if (pos == NULL)
+		return NULL;
+	id = eap_get_id(reqData);
+
+	if (flags & EAP_TLS_FLAGS_START) {
+		if (eap_ttls_process_start(sm, data, flags, ret) < 0)
+			return NULL;
+
+		/* RFC 5281, Ch. 9.2:
+		 * "This packet MAY contain additional information in the form
+		 * of AVPs, which may provide useful hints to the client"
+		 * For now, ignore any potential extra data.
+		 */
+		left = 0;
+	} else if (!data->ssl_initialized) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: First message did not "
+			   "include Start flag");
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_FAIL;
+		ret->allowNotifications = FALSE;
+		return NULL;
+	}
+
+	resp = NULL;
+	if (tls_connection_established(sm->ssl_ctx, data->ssl.conn) &&
+	    !data->resuming) {
+		struct wpabuf msg;
+		wpabuf_set(&msg, pos, left);
+		res = eap_ttls_decrypt(sm, data, ret, id, &msg, &resp);
+	} else {
+		res = eap_ttls_process_handshake(sm, data, ret, id,
+						 pos, left, &resp);
+	}
+
+	eap_ttls_check_auth_status(sm, data, ret);
+
+	/* FIX: what about res == -1? Could just move all error processing into
+	 * the other functions and get rid of this res==1 case here. */
+	if (res == 1) {
+		wpabuf_free(resp);
+		return eap_peer_tls_build_ack(id, EAP_TYPE_TTLS,
+					      data->ttls_version);
+	}
+	return resp;
+}
+
+
+static Boolean eap_ttls_has_reauth_data(struct eap_sm *sm, void *priv)
+{
+	struct eap_ttls_data *data = priv;
+	return tls_connection_established(sm->ssl_ctx, data->ssl.conn) &&
+		data->phase2_success;
+}
+
+
+static void eap_ttls_deinit_for_reauth(struct eap_sm *sm, void *priv)
+{
+	struct eap_ttls_data *data = priv;
+	wpabuf_free(data->pending_phase2_req);
+	data->pending_phase2_req = NULL;
+#ifdef EAP_TNC
+	data->ready_for_tnc = 0;
+	data->tnc_started = 0;
+#endif /* EAP_TNC */
+}
+
+
+static void * eap_ttls_init_for_reauth(struct eap_sm *sm, void *priv)
+{
+	struct eap_ttls_data *data = priv;
+	os_free(data->key_data);
+	data->key_data = NULL;
+	if (eap_peer_tls_reauth_init(sm, &data->ssl)) {
+		os_free(data);
+		return NULL;
+	}
+	if (data->phase2_priv && data->phase2_method &&
+	    data->phase2_method->init_for_reauth)
+		data->phase2_method->init_for_reauth(sm, data->phase2_priv);
+	data->phase2_start = 0;
+	data->phase2_success = 0;
+	data->resuming = 1;
+	data->reauth = 1;
+	return priv;
+}
+
+
+static int eap_ttls_get_status(struct eap_sm *sm, void *priv, char *buf,
+			       size_t buflen, int verbose)
+{
+	struct eap_ttls_data *data = priv;
+	int len, ret;
+
+	len = eap_peer_tls_status(sm, &data->ssl, buf, buflen, verbose);
+	ret = os_snprintf(buf + len, buflen - len,
+			  "EAP-TTLSv%d Phase2 method=",
+			  data->ttls_version);
+	if (ret < 0 || (size_t) ret >= buflen - len)
+		return len;
+	len += ret;
+	switch (data->phase2_type) {
+	case EAP_TTLS_PHASE2_EAP:
+		ret = os_snprintf(buf + len, buflen - len, "EAP-%s\n",
+				  data->phase2_method ?
+				  data->phase2_method->name : "?");
+		break;
+	case EAP_TTLS_PHASE2_MSCHAPV2:
+		ret = os_snprintf(buf + len, buflen - len, "MSCHAPV2\n");
+		break;
+	case EAP_TTLS_PHASE2_MSCHAP:
+		ret = os_snprintf(buf + len, buflen - len, "MSCHAP\n");
+		break;
+	case EAP_TTLS_PHASE2_PAP:
+		ret = os_snprintf(buf + len, buflen - len, "PAP\n");
+		break;
+	case EAP_TTLS_PHASE2_CHAP:
+		ret = os_snprintf(buf + len, buflen - len, "CHAP\n");
+		break;
+	default:
+		ret = 0;
+		break;
+	}
+	if (ret < 0 || (size_t) ret >= buflen - len)
+		return len;
+	len += ret;
+
+	return len;
+}
+
+
+static Boolean eap_ttls_isKeyAvailable(struct eap_sm *sm, void *priv)
+{
+	struct eap_ttls_data *data = priv;
+	return data->key_data != NULL && data->phase2_success;
+}
+
+
+static u8 * eap_ttls_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_ttls_data *data = priv;
+	u8 *key;
+
+	if (data->key_data == NULL || !data->phase2_success)
+		return NULL;
+
+	key = os_malloc(EAP_TLS_KEY_LEN);
+	if (key == NULL)
+		return NULL;
+
+	*len = EAP_TLS_KEY_LEN;
+	os_memcpy(key, data->key_data, EAP_TLS_KEY_LEN);
+
+	return key;
+}
+
+
+int eap_peer_ttls_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_IETF, EAP_TYPE_TTLS, "TTLS");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_ttls_init;
+	eap->deinit = eap_ttls_deinit;
+	eap->process = eap_ttls_process;
+	eap->isKeyAvailable = eap_ttls_isKeyAvailable;
+	eap->getKey = eap_ttls_getKey;
+	eap->get_status = eap_ttls_get_status;
+	eap->has_reauth_data = eap_ttls_has_reauth_data;
+	eap->deinit_for_reauth = eap_ttls_deinit_for_reauth;
+	eap->init_for_reauth = eap_ttls_init_for_reauth;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_peer/eap_vendor_test.c b/src/eap_peer/eap_vendor_test.c
new file mode 100644
index 0000000..3e114c1
--- /dev/null
+++ b/src/eap_peer/eap_vendor_test.c
@@ -0,0 +1,195 @@
+/*
+ * EAP peer method: Test method for vendor specific (expanded) EAP type
+ * Copyright (c) 2005-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This file implements a vendor specific test method using EAP expanded types.
+ * This is only for test use and must not be used for authentication since no
+ * security is provided.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eap_i.h"
+#ifdef TEST_PENDING_REQUEST
+#include "eloop.h"
+#endif /* TEST_PENDING_REQUEST */
+
+
+#define EAP_VENDOR_ID 0xfffefd
+#define EAP_VENDOR_TYPE 0xfcfbfaf9
+
+
+/* #define TEST_PENDING_REQUEST */
+
+struct eap_vendor_test_data {
+	enum { INIT, CONFIRM, SUCCESS } state;
+	int first_try;
+};
+
+
+static void * eap_vendor_test_init(struct eap_sm *sm)
+{
+	struct eap_vendor_test_data *data;
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = INIT;
+	data->first_try = 1;
+	return data;
+}
+
+
+static void eap_vendor_test_deinit(struct eap_sm *sm, void *priv)
+{
+	struct eap_vendor_test_data *data = priv;
+	os_free(data);
+}
+
+
+#ifdef TEST_PENDING_REQUEST
+static void eap_vendor_ready(void *eloop_ctx, void *timeout_ctx)
+{
+	struct eap_sm *sm = eloop_ctx;
+	wpa_printf(MSG_DEBUG, "EAP-VENDOR-TEST: Ready to re-process pending "
+		   "request");
+	eap_notify_pending(sm);
+}
+#endif /* TEST_PENDING_REQUEST */
+
+
+static struct wpabuf * eap_vendor_test_process(struct eap_sm *sm, void *priv,
+					       struct eap_method_ret *ret,
+					       const struct wpabuf *reqData)
+{
+	struct eap_vendor_test_data *data = priv;
+	struct wpabuf *resp;
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_ID, EAP_VENDOR_TYPE, reqData, &len);
+	if (pos == NULL || len < 1) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (data->state == INIT && *pos != 1) {
+		wpa_printf(MSG_DEBUG, "EAP-VENDOR-TEST: Unexpected message "
+			   "%d in INIT state", *pos);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (data->state == CONFIRM && *pos != 3) {
+		wpa_printf(MSG_DEBUG, "EAP-VENDOR-TEST: Unexpected message "
+			   "%d in CONFIRM state", *pos);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (data->state == SUCCESS) {
+		wpa_printf(MSG_DEBUG, "EAP-VENDOR-TEST: Unexpected message "
+			   "in SUCCESS state");
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (data->state == CONFIRM) {
+#ifdef TEST_PENDING_REQUEST
+		if (data->first_try) {
+			data->first_try = 0;
+			wpa_printf(MSG_DEBUG, "EAP-VENDOR-TEST: Testing "
+				   "pending request");
+			ret->ignore = TRUE;
+			eloop_register_timeout(1, 0, eap_vendor_ready, sm,
+					       NULL);
+			return NULL;
+		}
+#endif /* TEST_PENDING_REQUEST */
+	}
+
+	ret->ignore = FALSE;
+
+	wpa_printf(MSG_DEBUG, "EAP-VENDOR-TEST: Generating Response");
+	ret->allowNotifications = TRUE;
+
+	resp = eap_msg_alloc(EAP_VENDOR_ID, EAP_VENDOR_TYPE, 1,
+			     EAP_CODE_RESPONSE, eap_get_id(reqData));
+	if (resp == NULL)
+		return NULL;
+
+	if (data->state == INIT) {
+		wpabuf_put_u8(resp, 2);
+		data->state = CONFIRM;
+		ret->methodState = METHOD_CONT;
+		ret->decision = DECISION_FAIL;
+	} else {
+		wpabuf_put_u8(resp, 4);
+		data->state = SUCCESS;
+		ret->methodState = METHOD_DONE;
+		ret->decision = DECISION_UNCOND_SUCC;
+	}
+
+	return resp;
+}
+
+
+static Boolean eap_vendor_test_isKeyAvailable(struct eap_sm *sm, void *priv)
+{
+	struct eap_vendor_test_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+static u8 * eap_vendor_test_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_vendor_test_data *data = priv;
+	u8 *key;
+	const int key_len = 64;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(key_len);
+	if (key == NULL)
+		return NULL;
+
+	os_memset(key, 0x11, key_len / 2);
+	os_memset(key + key_len / 2, 0x22, key_len / 2);
+	*len = key_len;
+
+	return key;
+}
+
+
+int eap_peer_vendor_test_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_ID, EAP_VENDOR_TYPE,
+				    "VENDOR-TEST");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_vendor_test_init;
+	eap->deinit = eap_vendor_test_deinit;
+	eap->process = eap_vendor_test_process;
+	eap->isKeyAvailable = eap_vendor_test_isKeyAvailable;
+	eap->getKey = eap_vendor_test_getKey;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_peer/eap_wsc.c b/src/eap_peer/eap_wsc.c
new file mode 100644
index 0000000..09d8a1c
--- /dev/null
+++ b/src/eap_peer/eap_wsc.c
@@ -0,0 +1,553 @@
+/*
+ * EAP-WSC peer for Wi-Fi Protected Setup
+ * Copyright (c) 2007-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "uuid.h"
+#include "eap_i.h"
+#include "eap_common/eap_wsc_common.h"
+#include "wps/wps.h"
+#include "wps/wps_defs.h"
+
+
+struct eap_wsc_data {
+	enum { WAIT_START, MESG, FRAG_ACK, WAIT_FRAG_ACK, DONE, FAIL } state;
+	int registrar;
+	struct wpabuf *in_buf;
+	struct wpabuf *out_buf;
+	enum wsc_op_code in_op_code, out_op_code;
+	size_t out_used;
+	size_t fragment_size;
+	struct wps_data *wps;
+	struct wps_context *wps_ctx;
+};
+
+
+static const char * eap_wsc_state_txt(int state)
+{
+	switch (state) {
+	case WAIT_START:
+		return "WAIT_START";
+	case MESG:
+		return "MESG";
+	case FRAG_ACK:
+		return "FRAG_ACK";
+	case WAIT_FRAG_ACK:
+		return "WAIT_FRAG_ACK";
+	case DONE:
+		return "DONE";
+	case FAIL:
+		return "FAIL";
+	default:
+		return "?";
+	}
+}
+
+
+static void eap_wsc_state(struct eap_wsc_data *data, int state)
+{
+	wpa_printf(MSG_DEBUG, "EAP-WSC: %s -> %s",
+		   eap_wsc_state_txt(data->state),
+		   eap_wsc_state_txt(state));
+	data->state = state;
+}
+
+
+static int eap_wsc_new_ap_settings(struct wps_credential *cred,
+				   const char *params)
+{
+	const char *pos, *end;
+	size_t len;
+
+	os_memset(cred, 0, sizeof(*cred));
+
+	pos = os_strstr(params, "new_ssid=");
+	if (pos == NULL)
+		return 0;
+	pos += 9;
+	end = os_strchr(pos, ' ');
+	if (end == NULL)
+		len = os_strlen(pos);
+	else
+		len = end - pos;
+	if ((len & 1) || len > 2 * sizeof(cred->ssid) ||
+	    hexstr2bin(pos, cred->ssid, len / 2))
+		return -1;
+	cred->ssid_len = len / 2;
+
+	pos = os_strstr(params, "new_auth=");
+	if (pos == NULL)
+		return -1;
+	if (os_strncmp(pos + 9, "OPEN", 4) == 0)
+		cred->auth_type = WPS_AUTH_OPEN;
+	else if (os_strncmp(pos + 9, "WPAPSK", 6) == 0)
+		cred->auth_type = WPS_AUTH_WPAPSK;
+	else if (os_strncmp(pos + 9, "WPA2PSK", 7) == 0)
+		cred->auth_type = WPS_AUTH_WPA2PSK;
+	else
+		return -1;
+
+	pos = os_strstr(params, "new_encr=");
+	if (pos == NULL)
+		return -1;
+	if (os_strncmp(pos + 9, "NONE", 4) == 0)
+		cred->encr_type = WPS_ENCR_NONE;
+	else if (os_strncmp(pos + 9, "WEP", 3) == 0)
+		cred->encr_type = WPS_ENCR_WEP;
+	else if (os_strncmp(pos + 9, "TKIP", 4) == 0)
+		cred->encr_type = WPS_ENCR_TKIP;
+	else if (os_strncmp(pos + 9, "CCMP", 4) == 0)
+		cred->encr_type = WPS_ENCR_AES;
+	else
+		return -1;
+
+	pos = os_strstr(params, "new_key=");
+	if (pos == NULL)
+		return 0;
+	pos += 8;
+	end = os_strchr(pos, ' ');
+	if (end == NULL)
+		len = os_strlen(pos);
+	else
+		len = end - pos;
+	if ((len & 1) || len > 2 * sizeof(cred->key) ||
+	    hexstr2bin(pos, cred->key, len / 2))
+		return -1;
+	cred->key_len = len / 2;
+
+	return 1;
+}
+
+
+static void * eap_wsc_init(struct eap_sm *sm)
+{
+	struct eap_wsc_data *data;
+	const u8 *identity;
+	size_t identity_len;
+	int registrar;
+	struct wps_config cfg;
+	const char *pos;
+	const char *phase1;
+	struct wps_context *wps;
+	struct wps_credential new_ap_settings;
+	int res;
+
+	wps = sm->wps;
+	if (wps == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-WSC: WPS context not available");
+		return NULL;
+	}
+
+	identity = eap_get_config_identity(sm, &identity_len);
+
+	if (identity && identity_len == WSC_ID_REGISTRAR_LEN &&
+	    os_memcmp(identity, WSC_ID_REGISTRAR, WSC_ID_REGISTRAR_LEN) == 0)
+		registrar = 1; /* Supplicant is Registrar */
+	else if (identity && identity_len == WSC_ID_ENROLLEE_LEN &&
+	    os_memcmp(identity, WSC_ID_ENROLLEE, WSC_ID_ENROLLEE_LEN) == 0)
+		registrar = 0; /* Supplicant is Enrollee */
+	else {
+		wpa_hexdump_ascii(MSG_INFO, "EAP-WSC: Unexpected identity",
+				  identity, identity_len);
+		return NULL;
+	}
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = registrar ? MESG : WAIT_START;
+	data->registrar = registrar;
+	data->wps_ctx = wps;
+
+	os_memset(&cfg, 0, sizeof(cfg));
+	cfg.wps = wps;
+	cfg.registrar = registrar;
+
+	phase1 = eap_get_config_phase1(sm);
+	if (phase1 == NULL) {
+		wpa_printf(MSG_INFO, "EAP-WSC: phase1 configuration data not "
+			   "set");
+		os_free(data);
+		return NULL;
+	}
+
+	pos = os_strstr(phase1, "pin=");
+	if (pos) {
+		pos += 4;
+		cfg.pin = (const u8 *) pos;
+		while (*pos != '\0' && *pos != ' ')
+			pos++;
+		cfg.pin_len = pos - (const char *) cfg.pin;
+	} else {
+		pos = os_strstr(phase1, "pbc=1");
+		if (pos)
+			cfg.pbc = 1;
+	}
+
+	if (cfg.pin == NULL && !cfg.pbc) {
+		wpa_printf(MSG_INFO, "EAP-WSC: PIN or PBC not set in phase1 "
+			   "configuration data");
+		os_free(data);
+		return NULL;
+	}
+
+	pos = os_strstr(phase1, "dev_pw_id=");
+	if (pos && cfg.pin)
+		cfg.dev_pw_id = atoi(pos + 10);
+
+	res = eap_wsc_new_ap_settings(&new_ap_settings, phase1);
+	if (res < 0) {
+		os_free(data);
+		return NULL;
+	}
+	if (res == 1) {
+		wpa_printf(MSG_DEBUG, "EAP-WSC: Provide new AP settings for "
+			   "WPS");
+		cfg.new_ap_settings = &new_ap_settings;
+	}
+
+	data->wps = wps_init(&cfg);
+	if (data->wps == NULL) {
+		os_free(data);
+		return NULL;
+	}
+	res = eap_get_config_fragment_size(sm);
+	if (res > 0)
+		data->fragment_size = res;
+	else
+		data->fragment_size = WSC_FRAGMENT_SIZE;
+	wpa_printf(MSG_DEBUG, "EAP-WSC: Fragment size limit %u",
+		   (unsigned int) data->fragment_size);
+
+	if (registrar && cfg.pin) {
+		wps_registrar_add_pin(data->wps_ctx->registrar, NULL, NULL,
+				      cfg.pin, cfg.pin_len, 0);
+	}
+
+	/* Use reduced client timeout for WPS to avoid long wait */
+	if (sm->ClientTimeout > 30)
+		sm->ClientTimeout = 30;
+
+	return data;
+}
+
+
+static void eap_wsc_deinit(struct eap_sm *sm, void *priv)
+{
+	struct eap_wsc_data *data = priv;
+	wpabuf_free(data->in_buf);
+	wpabuf_free(data->out_buf);
+	wps_deinit(data->wps);
+	os_free(data->wps_ctx->network_key);
+	data->wps_ctx->network_key = NULL;
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_wsc_build_msg(struct eap_wsc_data *data,
+					 struct eap_method_ret *ret, u8 id)
+{
+	struct wpabuf *resp;
+	u8 flags;
+	size_t send_len, plen;
+
+	ret->ignore = FALSE;
+	wpa_printf(MSG_DEBUG, "EAP-WSC: Generating Response");
+	ret->allowNotifications = TRUE;
+
+	flags = 0;
+	send_len = wpabuf_len(data->out_buf) - data->out_used;
+	if (2 + send_len > data->fragment_size) {
+		send_len = data->fragment_size - 2;
+		flags |= WSC_FLAGS_MF;
+		if (data->out_used == 0) {
+			flags |= WSC_FLAGS_LF;
+			send_len -= 2;
+		}
+	}
+	plen = 2 + send_len;
+	if (flags & WSC_FLAGS_LF)
+		plen += 2;
+	resp = eap_msg_alloc(EAP_VENDOR_WFA, EAP_VENDOR_TYPE_WSC, plen,
+			     EAP_CODE_RESPONSE, id);
+	if (resp == NULL)
+		return NULL;
+
+	wpabuf_put_u8(resp, data->out_op_code); /* Op-Code */
+	wpabuf_put_u8(resp, flags); /* Flags */
+	if (flags & WSC_FLAGS_LF)
+		wpabuf_put_be16(resp, wpabuf_len(data->out_buf));
+
+	wpabuf_put_data(resp, wpabuf_head_u8(data->out_buf) + data->out_used,
+			send_len);
+	data->out_used += send_len;
+
+	ret->methodState = METHOD_MAY_CONT;
+	ret->decision = DECISION_FAIL;
+
+	if (data->out_used == wpabuf_len(data->out_buf)) {
+		wpa_printf(MSG_DEBUG, "EAP-WSC: Sending out %lu bytes "
+			   "(message sent completely)",
+			   (unsigned long) send_len);
+		wpabuf_free(data->out_buf);
+		data->out_buf = NULL;
+		data->out_used = 0;
+		if ((data->state == FAIL && data->out_op_code == WSC_ACK) ||
+		    data->out_op_code == WSC_NACK ||
+		    data->out_op_code == WSC_Done) {
+			eap_wsc_state(data, FAIL);
+			ret->methodState = METHOD_DONE;
+		} else
+			eap_wsc_state(data, MESG);
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-WSC: Sending out %lu bytes "
+			   "(%lu more to send)", (unsigned long) send_len,
+			   (unsigned long) wpabuf_len(data->out_buf) -
+			   data->out_used);
+		eap_wsc_state(data, WAIT_FRAG_ACK);
+	}
+
+	return resp;
+}
+
+
+static int eap_wsc_process_cont(struct eap_wsc_data *data,
+				const u8 *buf, size_t len, u8 op_code)
+{
+	/* Process continuation of a pending message */
+	if (op_code != data->in_op_code) {
+		wpa_printf(MSG_DEBUG, "EAP-WSC: Unexpected Op-Code %d in "
+			   "fragment (expected %d)",
+			   op_code, data->in_op_code);
+		return -1;
+	}
+
+	if (len > wpabuf_tailroom(data->in_buf)) {
+		wpa_printf(MSG_DEBUG, "EAP-WSC: Fragment overflow");
+		eap_wsc_state(data, FAIL);
+		return -1;
+	}
+
+	wpabuf_put_data(data->in_buf, buf, len);
+	wpa_printf(MSG_DEBUG, "EAP-WSC: Received %lu bytes, waiting "
+		   "for %lu bytes more", (unsigned long) len,
+		   (unsigned long) wpabuf_tailroom(data->in_buf));
+
+	return 0;
+}
+
+
+static struct wpabuf * eap_wsc_process_fragment(struct eap_wsc_data *data,
+						struct eap_method_ret *ret,
+						u8 id, u8 flags, u8 op_code,
+						u16 message_length,
+						const u8 *buf, size_t len)
+{
+	/* Process a fragment that is not the last one of the message */
+	if (data->in_buf == NULL && !(flags & WSC_FLAGS_LF)) {
+		wpa_printf(MSG_DEBUG, "EAP-WSC: No Message Length field in a "
+			   "fragmented packet");
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (data->in_buf == NULL) {
+		/* First fragment of the message */
+		data->in_buf = wpabuf_alloc(message_length);
+		if (data->in_buf == NULL) {
+			wpa_printf(MSG_DEBUG, "EAP-WSC: No memory for "
+				   "message");
+			ret->ignore = TRUE;
+			return NULL;
+		}
+		data->in_op_code = op_code;
+		wpabuf_put_data(data->in_buf, buf, len);
+		wpa_printf(MSG_DEBUG, "EAP-WSC: Received %lu bytes in first "
+			   "fragment, waiting for %lu bytes more",
+			   (unsigned long) len,
+			   (unsigned long) wpabuf_tailroom(data->in_buf));
+	}
+
+	return eap_wsc_build_frag_ack(id, EAP_CODE_RESPONSE);
+}
+
+
+static struct wpabuf * eap_wsc_process(struct eap_sm *sm, void *priv,
+				       struct eap_method_ret *ret,
+				       const struct wpabuf *reqData)
+{
+	struct eap_wsc_data *data = priv;
+	const u8 *start, *pos, *end;
+	size_t len;
+	u8 op_code, flags, id;
+	u16 message_length = 0;
+	enum wps_process_res res;
+	struct wpabuf tmpbuf;
+	struct wpabuf *r;
+
+	pos = eap_hdr_validate(EAP_VENDOR_WFA, EAP_VENDOR_TYPE_WSC, reqData,
+			       &len);
+	if (pos == NULL || len < 2) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	id = eap_get_id(reqData);
+
+	start = pos;
+	end = start + len;
+
+	op_code = *pos++;
+	flags = *pos++;
+	if (flags & WSC_FLAGS_LF) {
+		if (end - pos < 2) {
+			wpa_printf(MSG_DEBUG, "EAP-WSC: Message underflow");
+			ret->ignore = TRUE;
+			return NULL;
+		}
+		message_length = WPA_GET_BE16(pos);
+		pos += 2;
+
+		if (message_length < end - pos) {
+			wpa_printf(MSG_DEBUG, "EAP-WSC: Invalid Message "
+				   "Length");
+			ret->ignore = TRUE;
+			return NULL;
+		}
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-WSC: Received packet: Op-Code %d "
+		   "Flags 0x%x Message Length %d",
+		   op_code, flags, message_length);
+
+	if (data->state == WAIT_FRAG_ACK) {
+		if (op_code != WSC_FRAG_ACK) {
+			wpa_printf(MSG_DEBUG, "EAP-WSC: Unexpected Op-Code %d "
+				   "in WAIT_FRAG_ACK state", op_code);
+			ret->ignore = TRUE;
+			return NULL;
+		}
+		wpa_printf(MSG_DEBUG, "EAP-WSC: Fragment acknowledged");
+		eap_wsc_state(data, MESG);
+		return eap_wsc_build_msg(data, ret, id);
+	}
+
+	if (op_code != WSC_ACK && op_code != WSC_NACK && op_code != WSC_MSG &&
+	    op_code != WSC_Done && op_code != WSC_Start) {
+		wpa_printf(MSG_DEBUG, "EAP-WSC: Unexpected Op-Code %d",
+			   op_code);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (data->state == WAIT_START) {
+		if (op_code != WSC_Start) {
+			wpa_printf(MSG_DEBUG, "EAP-WSC: Unexpected Op-Code %d "
+				   "in WAIT_START state", op_code);
+			ret->ignore = TRUE;
+			return NULL;
+		}
+		wpa_printf(MSG_DEBUG, "EAP-WSC: Received start");
+		eap_wsc_state(data, MESG);
+		/* Start message has empty payload, skip processing */
+		goto send_msg;
+	} else if (op_code == WSC_Start) {
+		wpa_printf(MSG_DEBUG, "EAP-WSC: Unexpected Op-Code %d",
+			   op_code);
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (data->in_buf &&
+	    eap_wsc_process_cont(data, pos, end - pos, op_code) < 0) {
+		ret->ignore = TRUE;
+		return NULL;
+	}
+
+	if (flags & WSC_FLAGS_MF) {
+		return eap_wsc_process_fragment(data, ret, id, flags, op_code,
+						message_length, pos,
+						end - pos);
+	}
+
+	if (data->in_buf == NULL) {
+		/* Wrap unfragmented messages as wpabuf without extra copy */
+		wpabuf_set(&tmpbuf, pos, end - pos);
+		data->in_buf = &tmpbuf;
+	}
+
+	res = wps_process_msg(data->wps, op_code, data->in_buf);
+	switch (res) {
+	case WPS_DONE:
+		wpa_printf(MSG_DEBUG, "EAP-WSC: WPS processing completed "
+			   "successfully - wait for EAP failure");
+		eap_wsc_state(data, FAIL);
+		break;
+	case WPS_CONTINUE:
+		eap_wsc_state(data, MESG);
+		break;
+	case WPS_FAILURE:
+	case WPS_PENDING:
+		wpa_printf(MSG_DEBUG, "EAP-WSC: WPS processing failed");
+		eap_wsc_state(data, FAIL);
+		break;
+	}
+
+	if (data->in_buf != &tmpbuf)
+		wpabuf_free(data->in_buf);
+	data->in_buf = NULL;
+
+send_msg:
+	if (data->out_buf == NULL) {
+		data->out_buf = wps_get_msg(data->wps, &data->out_op_code);
+		if (data->out_buf == NULL) {
+			wpa_printf(MSG_DEBUG, "EAP-WSC: Failed to receive "
+				   "message from WPS");
+			return NULL;
+		}
+		data->out_used = 0;
+	}
+
+	eap_wsc_state(data, MESG);
+	r = eap_wsc_build_msg(data, ret, id);
+	if (data->state == FAIL && ret->methodState == METHOD_DONE) {
+		/* Use reduced client timeout for WPS to avoid long wait */
+		if (sm->ClientTimeout > 2)
+			sm->ClientTimeout = 2;
+	}
+	return r;
+}
+
+
+int eap_peer_wsc_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
+				    EAP_VENDOR_WFA, EAP_VENDOR_TYPE_WSC,
+				    "WSC");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_wsc_init;
+	eap->deinit = eap_wsc_deinit;
+	eap->process = eap_wsc_process;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_peer/ikev2.c b/src/eap_peer/ikev2.c
new file mode 100644
index 0000000..1e169a0
--- /dev/null
+++ b/src/eap_peer/ikev2.c
@@ -0,0 +1,1304 @@
+/*
+ * IKEv2 responder (RFC 4306) for EAP-IKEV2
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/dh_groups.h"
+#include "crypto/random.h"
+#include "ikev2.h"
+
+
+void ikev2_responder_deinit(struct ikev2_responder_data *data)
+{
+	ikev2_free_keys(&data->keys);
+	wpabuf_free(data->i_dh_public);
+	wpabuf_free(data->r_dh_private);
+	os_free(data->IDi);
+	os_free(data->IDr);
+	os_free(data->shared_secret);
+	wpabuf_free(data->i_sign_msg);
+	wpabuf_free(data->r_sign_msg);
+	os_free(data->key_pad);
+}
+
+
+static int ikev2_derive_keys(struct ikev2_responder_data *data)
+{
+	u8 *buf, *pos, *pad, skeyseed[IKEV2_MAX_HASH_LEN];
+	size_t buf_len, pad_len;
+	struct wpabuf *shared;
+	const struct ikev2_integ_alg *integ;
+	const struct ikev2_prf_alg *prf;
+	const struct ikev2_encr_alg *encr;
+	int ret;
+	const u8 *addr[2];
+	size_t len[2];
+
+	/* RFC 4306, Sect. 2.14 */
+
+	integ = ikev2_get_integ(data->proposal.integ);
+	prf = ikev2_get_prf(data->proposal.prf);
+	encr = ikev2_get_encr(data->proposal.encr);
+	if (integ == NULL || prf == NULL || encr == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: Unsupported proposal");
+		return -1;
+	}
+
+	shared = dh_derive_shared(data->i_dh_public, data->r_dh_private,
+				  data->dh);
+	if (shared == NULL)
+		return -1;
+
+	/* Construct Ni | Nr | SPIi | SPIr */
+
+	buf_len = data->i_nonce_len + data->r_nonce_len + 2 * IKEV2_SPI_LEN;
+	buf = os_malloc(buf_len);
+	if (buf == NULL) {
+		wpabuf_free(shared);
+		return -1;
+	}
+
+	pos = buf;
+	os_memcpy(pos, data->i_nonce, data->i_nonce_len);
+	pos += data->i_nonce_len;
+	os_memcpy(pos, data->r_nonce, data->r_nonce_len);
+	pos += data->r_nonce_len;
+	os_memcpy(pos, data->i_spi, IKEV2_SPI_LEN);
+	pos += IKEV2_SPI_LEN;
+	os_memcpy(pos, data->r_spi, IKEV2_SPI_LEN);
+#ifdef CCNS_PL
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+	{
+		int i;
+		u8 *tmp = pos - IKEV2_SPI_LEN;
+		/* Incorrect byte re-ordering on little endian hosts.. */
+		for (i = 0; i < IKEV2_SPI_LEN; i++)
+			*tmp++ = data->i_spi[IKEV2_SPI_LEN - 1 - i];
+		for (i = 0; i < IKEV2_SPI_LEN; i++)
+			*tmp++ = data->r_spi[IKEV2_SPI_LEN - 1 - i];
+	}
+#endif
+#endif /* CCNS_PL */
+
+	/* SKEYSEED = prf(Ni | Nr, g^ir) */
+	/* Use zero-padding per RFC 4306, Sect. 2.14 */
+	pad_len = data->dh->prime_len - wpabuf_len(shared);
+#ifdef CCNS_PL
+	/* Shared secret is not zero-padded correctly */
+	pad_len = 0;
+#endif /* CCNS_PL */
+	pad = os_zalloc(pad_len ? pad_len : 1);
+	if (pad == NULL) {
+		wpabuf_free(shared);
+		os_free(buf);
+		return -1;
+	}
+
+	addr[0] = pad;
+	len[0] = pad_len;
+	addr[1] = wpabuf_head(shared);
+	len[1] = wpabuf_len(shared);
+	if (ikev2_prf_hash(prf->id, buf, data->i_nonce_len + data->r_nonce_len,
+			   2, addr, len, skeyseed) < 0) {
+		wpabuf_free(shared);
+		os_free(buf);
+		os_free(pad);
+		return -1;
+	}
+	os_free(pad);
+	wpabuf_free(shared);
+
+	/* DH parameters are not needed anymore, so free them */
+	wpabuf_free(data->i_dh_public);
+	data->i_dh_public = NULL;
+	wpabuf_free(data->r_dh_private);
+	data->r_dh_private = NULL;
+
+	wpa_hexdump_key(MSG_DEBUG, "IKEV2: SKEYSEED",
+			skeyseed, prf->hash_len);
+
+	ret = ikev2_derive_sk_keys(prf, integ, encr, skeyseed, buf, buf_len,
+				   &data->keys);
+	os_free(buf);
+	return ret;
+}
+
+
+static int ikev2_parse_transform(struct ikev2_proposal_data *prop,
+				 const u8 *pos, const u8 *end)
+{
+	int transform_len;
+	const struct ikev2_transform *t;
+	u16 transform_id;
+	const u8 *tend;
+
+	if (end - pos < (int) sizeof(*t)) {
+		wpa_printf(MSG_INFO, "IKEV2: Too short transform");
+		return -1;
+	}
+
+	t = (const struct ikev2_transform *) pos;
+	transform_len = WPA_GET_BE16(t->transform_length);
+	if (transform_len < (int) sizeof(*t) || pos + transform_len > end) {
+		wpa_printf(MSG_INFO, "IKEV2: Invalid transform length %d",
+			   transform_len);
+		return -1;
+	}
+	tend = pos + transform_len;
+
+	transform_id = WPA_GET_BE16(t->transform_id);
+
+	wpa_printf(MSG_DEBUG, "IKEV2:   Transform:");
+	wpa_printf(MSG_DEBUG, "IKEV2:     Type: %d  Transform Length: %d  "
+		   "Transform Type: %d  Transform ID: %d",
+		   t->type, transform_len, t->transform_type, transform_id);
+
+	if (t->type != 0 && t->type != 3) {
+		wpa_printf(MSG_INFO, "IKEV2: Unexpected Transform type");
+		return -1;
+	}
+
+	pos = (const u8 *) (t + 1);
+	if (pos < tend) {
+		wpa_hexdump(MSG_DEBUG, "IKEV2:     Transform Attributes",
+			    pos, tend - pos);
+	}
+
+	switch (t->transform_type) {
+	case IKEV2_TRANSFORM_ENCR:
+		if (ikev2_get_encr(transform_id)) {
+			if (transform_id == ENCR_AES_CBC) {
+				if (tend - pos != 4) {
+					wpa_printf(MSG_DEBUG, "IKEV2: No "
+						   "Transform Attr for AES");
+					break;
+				}
+#ifdef CCNS_PL
+				if (WPA_GET_BE16(pos) != 0x001d /* ?? */) {
+					wpa_printf(MSG_DEBUG, "IKEV2: Not a "
+						   "Key Size attribute for "
+						   "AES");
+					break;
+				}
+#else /* CCNS_PL */
+				if (WPA_GET_BE16(pos) != 0x800e) {
+					wpa_printf(MSG_DEBUG, "IKEV2: Not a "
+						   "Key Size attribute for "
+						   "AES");
+					break;
+				}
+#endif /* CCNS_PL */
+				if (WPA_GET_BE16(pos + 2) != 128) {
+					wpa_printf(MSG_DEBUG, "IKEV2: "
+						   "Unsupported AES key size "
+						   "%d bits",
+						   WPA_GET_BE16(pos + 2));
+					break;
+				}
+			}
+			prop->encr = transform_id;
+		}
+		break;
+	case IKEV2_TRANSFORM_PRF:
+		if (ikev2_get_prf(transform_id))
+			prop->prf = transform_id;
+		break;
+	case IKEV2_TRANSFORM_INTEG:
+		if (ikev2_get_integ(transform_id))
+			prop->integ = transform_id;
+		break;
+	case IKEV2_TRANSFORM_DH:
+		if (dh_groups_get(transform_id))
+			prop->dh = transform_id;
+		break;
+	}
+
+	return transform_len;
+}
+
+
+static int ikev2_parse_proposal(struct ikev2_proposal_data *prop,
+				const u8 *pos, const u8 *end)
+{
+	const u8 *pend, *ppos;
+	int proposal_len, i;
+	const struct ikev2_proposal *p;
+
+	if (end - pos < (int) sizeof(*p)) {
+		wpa_printf(MSG_INFO, "IKEV2: Too short proposal");
+		return -1;
+	}
+
+	/* FIX: AND processing if multiple proposals use the same # */
+
+	p = (const struct ikev2_proposal *) pos;
+	proposal_len = WPA_GET_BE16(p->proposal_length);
+	if (proposal_len < (int) sizeof(*p) || pos + proposal_len > end) {
+		wpa_printf(MSG_INFO, "IKEV2: Invalid proposal length %d",
+			   proposal_len);
+		return -1;
+	}
+	wpa_printf(MSG_DEBUG, "IKEV2: SAi1 Proposal # %d",
+		   p->proposal_num);
+	wpa_printf(MSG_DEBUG, "IKEV2:   Type: %d  Proposal Length: %d "
+		   " Protocol ID: %d",
+		   p->type, proposal_len, p->protocol_id);
+	wpa_printf(MSG_DEBUG, "IKEV2:   SPI Size: %d  Transforms: %d",
+		   p->spi_size, p->num_transforms);
+
+	if (p->type != 0 && p->type != 2) {
+		wpa_printf(MSG_INFO, "IKEV2: Unexpected Proposal type");
+		return -1;
+	}
+
+	if (p->protocol_id != IKEV2_PROTOCOL_IKE) {
+		wpa_printf(MSG_DEBUG, "IKEV2: Unexpected Protocol ID "
+			   "(only IKE allowed for EAP-IKEv2)");
+		return -1;
+	}
+
+	if (p->proposal_num != prop->proposal_num) {
+		if (p->proposal_num == prop->proposal_num + 1)
+			prop->proposal_num = p->proposal_num;
+		else {
+			wpa_printf(MSG_INFO, "IKEV2: Unexpected Proposal #");
+			return -1;
+		}
+	}
+
+	ppos = (const u8 *) (p + 1);
+	pend = pos + proposal_len;
+	if (ppos + p->spi_size > pend) {
+		wpa_printf(MSG_INFO, "IKEV2: Not enough room for SPI "
+			   "in proposal");
+		return -1;
+	}
+	if (p->spi_size) {
+		wpa_hexdump(MSG_DEBUG, "IKEV2:    SPI",
+			    ppos, p->spi_size);
+		ppos += p->spi_size;
+	}
+
+	/*
+	 * For initial IKE_SA negotiation, SPI Size MUST be zero; for
+	 * subsequent negotiations, it must be 8 for IKE. We only support
+	 * initial case for now.
+	 */
+	if (p->spi_size != 0) {
+		wpa_printf(MSG_INFO, "IKEV2: Unexpected SPI Size");
+		return -1;
+	}
+
+	if (p->num_transforms == 0) {
+		wpa_printf(MSG_INFO, "IKEV2: At least one transform required");
+		return -1;
+	}
+
+	for (i = 0; i < (int) p->num_transforms; i++) {
+		int tlen = ikev2_parse_transform(prop, ppos, pend);
+		if (tlen < 0)
+			return -1;
+		ppos += tlen;
+	}
+
+	if (ppos != pend) {
+		wpa_printf(MSG_INFO, "IKEV2: Unexpected data after "
+			   "transforms");
+		return -1;
+	}
+
+	return proposal_len;
+}
+
+
+static int ikev2_process_sai1(struct ikev2_responder_data *data,
+			      const u8 *sai1, size_t sai1_len)
+{
+	struct ikev2_proposal_data prop;
+	const u8 *pos, *end;
+	int found = 0;
+
+	/* Security Association Payloads: <Proposals> */
+
+	if (sai1 == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: SAi1 not received");
+		return -1;
+	}
+
+	os_memset(&prop, 0, sizeof(prop));
+	prop.proposal_num = 1;
+
+	pos = sai1;
+	end = sai1 + sai1_len;
+
+	while (pos < end) {
+		int plen;
+
+		prop.integ = -1;
+		prop.prf = -1;
+		prop.encr = -1;
+		prop.dh = -1;
+		plen = ikev2_parse_proposal(&prop, pos, end);
+		if (plen < 0)
+			return -1;
+
+		if (!found && prop.integ != -1 && prop.prf != -1 &&
+		    prop.encr != -1 && prop.dh != -1) {
+			os_memcpy(&data->proposal, &prop, sizeof(prop));
+			data->dh = dh_groups_get(prop.dh);
+			found = 1;
+		}
+
+		pos += plen;
+	}
+
+	if (pos != end) {
+		wpa_printf(MSG_INFO, "IKEV2: Unexpected data after proposals");
+		return -1;
+	}
+
+	if (!found) {
+		wpa_printf(MSG_INFO, "IKEV2: No acceptable proposal found");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Accepted proposal #%d: ENCR:%d PRF:%d "
+		   "INTEG:%d D-H:%d", data->proposal.proposal_num,
+		   data->proposal.encr, data->proposal.prf,
+		   data->proposal.integ, data->proposal.dh);
+
+	return 0;
+}
+
+
+static int ikev2_process_kei(struct ikev2_responder_data *data,
+			     const u8 *kei, size_t kei_len)
+{
+	u16 group;
+
+	/*
+	 * Key Exchange Payload:
+	 * DH Group # (16 bits)
+	 * RESERVED (16 bits)
+	 * Key Exchange Data (Diffie-Hellman public value)
+	 */
+
+	if (kei == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: KEi not received");
+		return -1;
+	}
+
+	if (kei_len < 4 + 96) {
+		wpa_printf(MSG_INFO, "IKEV2: Too show Key Exchange Payload");
+		return -1;
+	}
+
+	group = WPA_GET_BE16(kei);
+	wpa_printf(MSG_DEBUG, "IKEV2: KEi DH Group #%u", group);
+
+	if (group != data->proposal.dh) {
+		wpa_printf(MSG_DEBUG, "IKEV2: KEi DH Group #%u does not match "
+			   "with the selected proposal (%u)",
+			   group, data->proposal.dh);
+		/* Reject message with Notify payload of type
+		 * INVALID_KE_PAYLOAD (RFC 4306, Sect. 3.4) */
+		data->error_type = INVALID_KE_PAYLOAD;
+		data->state = NOTIFY;
+		return -1;
+	}
+
+	if (data->dh == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: Unsupported DH group");
+		return -1;
+	}
+
+	/* RFC 4306, Section 3.4:
+	 * The length of DH public value MUST be equal to the lenght of the
+	 * prime modulus.
+	 */
+	if (kei_len - 4 != data->dh->prime_len) {
+		wpa_printf(MSG_INFO, "IKEV2: Invalid DH public value length "
+			   "%ld (expected %ld)",
+			   (long) (kei_len - 4), (long) data->dh->prime_len);
+		return -1;
+	}
+
+	wpabuf_free(data->i_dh_public);
+	data->i_dh_public = wpabuf_alloc(kei_len - 4);
+	if (data->i_dh_public == NULL)
+		return -1;
+	wpabuf_put_data(data->i_dh_public, kei + 4, kei_len - 4);
+
+	wpa_hexdump_buf(MSG_DEBUG, "IKEV2: KEi Diffie-Hellman Public Value",
+			data->i_dh_public);
+	
+	return 0;
+}
+
+
+static int ikev2_process_ni(struct ikev2_responder_data *data,
+			    const u8 *ni, size_t ni_len)
+{
+	if (ni == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: Ni not received");
+		return -1;
+	}
+
+	if (ni_len < IKEV2_NONCE_MIN_LEN || ni_len > IKEV2_NONCE_MAX_LEN) {
+		wpa_printf(MSG_INFO, "IKEV2: Invalid Ni length %ld",
+		           (long) ni_len);
+		return -1;
+	}
+
+#ifdef CCNS_PL
+	/* Zeros are removed incorrectly from the beginning of the nonces */
+	while (ni_len > 1 && *ni == 0) {
+		ni_len--;
+		ni++;
+	}
+#endif /* CCNS_PL */
+
+	data->i_nonce_len = ni_len;
+	os_memcpy(data->i_nonce, ni, ni_len);
+	wpa_hexdump(MSG_MSGDUMP, "IKEV2: Ni",
+		    data->i_nonce, data->i_nonce_len);
+
+	return 0;
+}
+
+
+static int ikev2_process_sa_init(struct ikev2_responder_data *data,
+				 const struct ikev2_hdr *hdr,
+				 struct ikev2_payloads *pl)
+{
+	if (ikev2_process_sai1(data, pl->sa, pl->sa_len) < 0 ||
+	    ikev2_process_kei(data, pl->ke, pl->ke_len) < 0 ||
+	    ikev2_process_ni(data, pl->nonce, pl->nonce_len) < 0)
+		return -1;
+
+	os_memcpy(data->i_spi, hdr->i_spi, IKEV2_SPI_LEN);
+
+	return 0;
+}
+
+
+static int ikev2_process_idi(struct ikev2_responder_data *data,
+			     const u8 *idi, size_t idi_len)
+{
+	u8 id_type;
+
+	if (idi == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: No IDi received");
+		return -1;
+	}
+
+	if (idi_len < 4) {
+		wpa_printf(MSG_INFO, "IKEV2: Too short IDi payload");
+		return -1;
+	}
+
+	id_type = idi[0];
+	idi += 4;
+	idi_len -= 4;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: IDi ID Type %d", id_type);
+	wpa_hexdump_ascii(MSG_DEBUG, "IKEV2: IDi", idi, idi_len);
+	os_free(data->IDi);
+	data->IDi = os_malloc(idi_len);
+	if (data->IDi == NULL)
+		return -1;
+	os_memcpy(data->IDi, idi, idi_len);
+	data->IDi_len = idi_len;
+	data->IDi_type = id_type;
+
+	return 0;
+}
+
+
+static int ikev2_process_cert(struct ikev2_responder_data *data,
+			      const u8 *cert, size_t cert_len)
+{
+	u8 cert_encoding;
+
+	if (cert == NULL) {
+		if (data->peer_auth == PEER_AUTH_CERT) {
+			wpa_printf(MSG_INFO, "IKEV2: No Certificate received");
+			return -1;
+		}
+		return 0;
+	}
+
+	if (cert_len < 1) {
+		wpa_printf(MSG_INFO, "IKEV2: No Cert Encoding field");
+		return -1;
+	}
+
+	cert_encoding = cert[0];
+	cert++;
+	cert_len--;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Cert Encoding %d", cert_encoding);
+	wpa_hexdump(MSG_MSGDUMP, "IKEV2: Certificate Data", cert, cert_len);
+
+	/* TODO: validate certificate */
+
+	return 0;
+}
+
+
+static int ikev2_process_auth_cert(struct ikev2_responder_data *data,
+				   u8 method, const u8 *auth, size_t auth_len)
+{
+	if (method != AUTH_RSA_SIGN) {
+		wpa_printf(MSG_INFO, "IKEV2: Unsupported authentication "
+			   "method %d", method);
+		return -1;
+	}
+
+	/* TODO: validate AUTH */
+	return 0;
+}
+
+
+static int ikev2_process_auth_secret(struct ikev2_responder_data *data,
+				     u8 method, const u8 *auth,
+				     size_t auth_len)
+{
+	u8 auth_data[IKEV2_MAX_HASH_LEN];
+	const struct ikev2_prf_alg *prf;
+
+	if (method != AUTH_SHARED_KEY_MIC) {
+		wpa_printf(MSG_INFO, "IKEV2: Unsupported authentication "
+			   "method %d", method);
+		return -1;
+	}
+
+	/* msg | Nr | prf(SK_pi,IDi') */
+	if (ikev2_derive_auth_data(data->proposal.prf, data->i_sign_msg,
+				   data->IDi, data->IDi_len, data->IDi_type,
+				   &data->keys, 1, data->shared_secret,
+				   data->shared_secret_len,
+				   data->r_nonce, data->r_nonce_len,
+				   data->key_pad, data->key_pad_len,
+				   auth_data) < 0) {
+		wpa_printf(MSG_INFO, "IKEV2: Could not derive AUTH data");
+		return -1;
+	}
+
+	wpabuf_free(data->i_sign_msg);
+	data->i_sign_msg = NULL;
+
+	prf = ikev2_get_prf(data->proposal.prf);
+	if (prf == NULL)
+		return -1;
+
+	if (auth_len != prf->hash_len ||
+	    os_memcmp(auth, auth_data, auth_len) != 0) {
+		wpa_printf(MSG_INFO, "IKEV2: Invalid Authentication Data");
+		wpa_hexdump(MSG_DEBUG, "IKEV2: Received Authentication Data",
+			    auth, auth_len);
+		wpa_hexdump(MSG_DEBUG, "IKEV2: Expected Authentication Data",
+			    auth_data, prf->hash_len);
+		data->error_type = AUTHENTICATION_FAILED;
+		data->state = NOTIFY;
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Server authenticated successfully "
+		   "using shared keys");
+
+	return 0;
+}
+
+
+static int ikev2_process_auth(struct ikev2_responder_data *data,
+			      const u8 *auth, size_t auth_len)
+{
+	u8 auth_method;
+
+	if (auth == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: No Authentication Payload");
+		return -1;
+	}
+
+	if (auth_len < 4) {
+		wpa_printf(MSG_INFO, "IKEV2: Too short Authentication "
+			   "Payload");
+		return -1;
+	}
+
+	auth_method = auth[0];
+	auth += 4;
+	auth_len -= 4;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Auth Method %d", auth_method);
+	wpa_hexdump(MSG_MSGDUMP, "IKEV2: Authentication Data", auth, auth_len);
+
+	switch (data->peer_auth) {
+	case PEER_AUTH_CERT:
+		return ikev2_process_auth_cert(data, auth_method, auth,
+					       auth_len);
+	case PEER_AUTH_SECRET:
+		return ikev2_process_auth_secret(data, auth_method, auth,
+						 auth_len);
+	}
+
+	return -1;
+}
+
+
+static int ikev2_process_sa_auth_decrypted(struct ikev2_responder_data *data,
+					   u8 next_payload,
+					   u8 *payload, size_t payload_len)
+{
+	struct ikev2_payloads pl;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Processing decrypted payloads");
+
+	if (ikev2_parse_payloads(&pl, next_payload, payload, payload +
+				 payload_len) < 0) {
+		wpa_printf(MSG_INFO, "IKEV2: Failed to parse decrypted "
+			   "payloads");
+		return -1;
+	}
+
+	if (ikev2_process_idi(data, pl.idi, pl.idi_len) < 0 ||
+	    ikev2_process_cert(data, pl.cert, pl.cert_len) < 0 ||
+	    ikev2_process_auth(data, pl.auth, pl.auth_len) < 0)
+		return -1;
+
+	return 0;
+}
+
+
+static int ikev2_process_sa_auth(struct ikev2_responder_data *data,
+				 const struct ikev2_hdr *hdr,
+				 struct ikev2_payloads *pl)
+{
+	u8 *decrypted;
+	size_t decrypted_len;
+	int ret;
+
+	decrypted = ikev2_decrypt_payload(data->proposal.encr,
+					  data->proposal.integ,
+					  &data->keys, 1, hdr, pl->encrypted,
+					  pl->encrypted_len, &decrypted_len);
+	if (decrypted == NULL)
+		return -1;
+
+	ret = ikev2_process_sa_auth_decrypted(data, pl->encr_next_payload,
+					      decrypted, decrypted_len);
+	os_free(decrypted);
+
+	return ret;
+}
+
+
+static int ikev2_validate_rx_state(struct ikev2_responder_data *data,
+				   u8 exchange_type, u32 message_id)
+{
+	switch (data->state) {
+	case SA_INIT:
+		/* Expect to receive IKE_SA_INIT: HDR, SAi1, KEi, Ni */
+		if (exchange_type != IKE_SA_INIT) {
+			wpa_printf(MSG_INFO, "IKEV2: Unexpected Exchange Type "
+				   "%u in SA_INIT state", exchange_type);
+			return -1;
+		}
+		if (message_id != 0) {
+			wpa_printf(MSG_INFO, "IKEV2: Unexpected Message ID %u "
+				   "in SA_INIT state", message_id);
+			return -1;
+		}
+		break;
+	case SA_AUTH:
+		/* Expect to receive IKE_SA_AUTH:
+		 * HDR, SK {IDi, [CERT,] [CERTREQ,] [IDr,]
+		 *	AUTH, SAi2, TSi, TSr}
+		 */
+		if (exchange_type != IKE_SA_AUTH) {
+			wpa_printf(MSG_INFO, "IKEV2: Unexpected Exchange Type "
+				   "%u in SA_AUTH state", exchange_type);
+			return -1;
+		}
+		if (message_id != 1) {
+			wpa_printf(MSG_INFO, "IKEV2: Unexpected Message ID %u "
+				   "in SA_AUTH state", message_id);
+			return -1;
+		}
+		break;
+	case CHILD_SA:
+		if (exchange_type != CREATE_CHILD_SA) {
+			wpa_printf(MSG_INFO, "IKEV2: Unexpected Exchange Type "
+				   "%u in CHILD_SA state", exchange_type);
+			return -1;
+		}
+		if (message_id != 2) {
+			wpa_printf(MSG_INFO, "IKEV2: Unexpected Message ID %u "
+				   "in CHILD_SA state", message_id);
+			return -1;
+		}
+		break;
+	case NOTIFY:
+	case IKEV2_DONE:
+	case IKEV2_FAILED:
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int ikev2_responder_process(struct ikev2_responder_data *data,
+			    const struct wpabuf *buf)
+{
+	const struct ikev2_hdr *hdr;
+	u32 length, message_id;
+	const u8 *pos, *end;
+	struct ikev2_payloads pl;
+
+	wpa_printf(MSG_MSGDUMP, "IKEV2: Received message (len %lu)",
+		   (unsigned long) wpabuf_len(buf));
+
+	if (wpabuf_len(buf) < sizeof(*hdr)) {
+		wpa_printf(MSG_INFO, "IKEV2: Too short frame to include HDR");
+		return -1;
+	}
+
+	data->error_type = 0;
+	hdr = (const struct ikev2_hdr *) wpabuf_head(buf);
+	end = wpabuf_head_u8(buf) + wpabuf_len(buf);
+	message_id = WPA_GET_BE32(hdr->message_id);
+	length = WPA_GET_BE32(hdr->length);
+
+	wpa_hexdump(MSG_DEBUG, "IKEV2:   IKE_SA Initiator's SPI",
+		    hdr->i_spi, IKEV2_SPI_LEN);
+	wpa_hexdump(MSG_DEBUG, "IKEV2:   IKE_SA Responder's SPI",
+		    hdr->r_spi, IKEV2_SPI_LEN);
+	wpa_printf(MSG_DEBUG, "IKEV2:   Next Payload: %u  Version: 0x%x  "
+		   "Exchange Type: %u",
+		   hdr->next_payload, hdr->version, hdr->exchange_type);
+	wpa_printf(MSG_DEBUG, "IKEV2:   Message ID: %u  Length: %u",
+		   message_id, length);
+
+	if (hdr->version != IKEV2_VERSION) {
+		wpa_printf(MSG_INFO, "IKEV2: Unsupported HDR version 0x%x "
+			   "(expected 0x%x)", hdr->version, IKEV2_VERSION);
+		return -1;
+	}
+
+	if (length != wpabuf_len(buf)) {
+		wpa_printf(MSG_INFO, "IKEV2: Invalid length (HDR: %lu != "
+			   "RX: %lu)", (unsigned long) length,
+			   (unsigned long) wpabuf_len(buf));
+		return -1;
+	}
+
+	if (ikev2_validate_rx_state(data, hdr->exchange_type, message_id) < 0)
+		return -1;
+
+	if ((hdr->flags & (IKEV2_HDR_INITIATOR | IKEV2_HDR_RESPONSE)) !=
+	    IKEV2_HDR_INITIATOR) {
+		wpa_printf(MSG_INFO, "IKEV2: Unexpected Flags value 0x%x",
+			   hdr->flags);
+		return -1;
+	}
+
+	if (data->state != SA_INIT) {
+		if (os_memcmp(data->i_spi, hdr->i_spi, IKEV2_SPI_LEN) != 0) {
+			wpa_printf(MSG_INFO, "IKEV2: Unexpected IKE_SA "
+				   "Initiator's SPI");
+			return -1;
+		}
+		if (os_memcmp(data->r_spi, hdr->r_spi, IKEV2_SPI_LEN) != 0) {
+			wpa_printf(MSG_INFO, "IKEV2: Unexpected IKE_SA "
+				   "Responder's SPI");
+			return -1;
+		}
+	}
+
+	pos = (const u8 *) (hdr + 1);
+	if (ikev2_parse_payloads(&pl, hdr->next_payload, pos, end) < 0)
+		return -1;
+
+	if (data->state == SA_INIT) {
+		data->last_msg = LAST_MSG_SA_INIT;
+		if (ikev2_process_sa_init(data, hdr, &pl) < 0) {
+			if (data->state == NOTIFY)
+				return 0;
+			return -1;
+		}
+		wpabuf_free(data->i_sign_msg);
+		data->i_sign_msg = wpabuf_dup(buf);
+	}
+
+	if (data->state == SA_AUTH) {
+		data->last_msg = LAST_MSG_SA_AUTH;
+		if (ikev2_process_sa_auth(data, hdr, &pl) < 0) {
+			if (data->state == NOTIFY)
+				return 0;
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+
+static void ikev2_build_hdr(struct ikev2_responder_data *data,
+			    struct wpabuf *msg, u8 exchange_type,
+			    u8 next_payload, u32 message_id)
+{
+	struct ikev2_hdr *hdr;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Adding HDR");
+
+	/* HDR - RFC 4306, Sect. 3.1 */
+	hdr = wpabuf_put(msg, sizeof(*hdr));
+	os_memcpy(hdr->i_spi, data->i_spi, IKEV2_SPI_LEN);
+	os_memcpy(hdr->r_spi, data->r_spi, IKEV2_SPI_LEN);
+	hdr->next_payload = next_payload;
+	hdr->version = IKEV2_VERSION;
+	hdr->exchange_type = exchange_type;
+	hdr->flags = IKEV2_HDR_RESPONSE;
+	WPA_PUT_BE32(hdr->message_id, message_id);
+}
+
+
+static int ikev2_build_sar1(struct ikev2_responder_data *data,
+			    struct wpabuf *msg, u8 next_payload)
+{
+	struct ikev2_payload_hdr *phdr;
+	size_t plen;
+	struct ikev2_proposal *p;
+	struct ikev2_transform *t;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Adding SAr1 payload");
+
+	/* SAr1 - RFC 4306, Sect. 2.7 and 3.3 */
+	phdr = wpabuf_put(msg, sizeof(*phdr));
+	phdr->next_payload = next_payload;
+	phdr->flags = 0;
+
+	p = wpabuf_put(msg, sizeof(*p));
+#ifdef CCNS_PL
+	/* Seems to require that the Proposal # is 1 even though RFC 4306
+	 * Sect 3.3.1 has following requirement "When a proposal is accepted,
+	 * all of the proposal numbers in the SA payload MUST be the same and
+	 * MUST match the number on the proposal sent that was accepted.".
+	 */
+	p->proposal_num = 1;
+#else /* CCNS_PL */
+	p->proposal_num = data->proposal.proposal_num;
+#endif /* CCNS_PL */
+	p->protocol_id = IKEV2_PROTOCOL_IKE;
+	p->num_transforms = 4;
+
+	t = wpabuf_put(msg, sizeof(*t));
+	t->type = 3;
+	t->transform_type = IKEV2_TRANSFORM_ENCR;
+	WPA_PUT_BE16(t->transform_id, data->proposal.encr);
+	if (data->proposal.encr == ENCR_AES_CBC) {
+		/* Transform Attribute: Key Len = 128 bits */
+#ifdef CCNS_PL
+		wpabuf_put_be16(msg, 0x001d); /* ?? */
+#else /* CCNS_PL */
+		wpabuf_put_be16(msg, 0x800e); /* AF=1, AttrType=14 */
+#endif /* CCNS_PL */
+		wpabuf_put_be16(msg, 128); /* 128-bit key */
+	}
+	plen = (u8 *) wpabuf_put(msg, 0) - (u8 *) t;
+	WPA_PUT_BE16(t->transform_length, plen);
+
+	t = wpabuf_put(msg, sizeof(*t));
+	t->type = 3;
+	WPA_PUT_BE16(t->transform_length, sizeof(*t));
+	t->transform_type = IKEV2_TRANSFORM_PRF;
+	WPA_PUT_BE16(t->transform_id, data->proposal.prf);
+
+	t = wpabuf_put(msg, sizeof(*t));
+	t->type = 3;
+	WPA_PUT_BE16(t->transform_length, sizeof(*t));
+	t->transform_type = IKEV2_TRANSFORM_INTEG;
+	WPA_PUT_BE16(t->transform_id, data->proposal.integ);
+
+	t = wpabuf_put(msg, sizeof(*t));
+	WPA_PUT_BE16(t->transform_length, sizeof(*t));
+	t->transform_type = IKEV2_TRANSFORM_DH;
+	WPA_PUT_BE16(t->transform_id, data->proposal.dh);
+
+	plen = (u8 *) wpabuf_put(msg, 0) - (u8 *) p;
+	WPA_PUT_BE16(p->proposal_length, plen);
+
+	plen = (u8 *) wpabuf_put(msg, 0) - (u8 *) phdr;
+	WPA_PUT_BE16(phdr->payload_length, plen);
+
+	return 0;
+}
+
+
+static int ikev2_build_ker(struct ikev2_responder_data *data,
+			   struct wpabuf *msg, u8 next_payload)
+{
+	struct ikev2_payload_hdr *phdr;
+	size_t plen;
+	struct wpabuf *pv;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Adding KEr payload");
+
+	pv = dh_init(data->dh, &data->r_dh_private);
+	if (pv == NULL) {
+		wpa_printf(MSG_DEBUG, "IKEV2: Failed to initialize DH");
+		return -1;
+	}
+
+	/* KEr - RFC 4306, Sect. 3.4 */
+	phdr = wpabuf_put(msg, sizeof(*phdr));
+	phdr->next_payload = next_payload;
+	phdr->flags = 0;
+
+	wpabuf_put_be16(msg, data->proposal.dh); /* DH Group # */
+	wpabuf_put(msg, 2); /* RESERVED */
+	/*
+	 * RFC 4306, Sect. 3.4: possible zero padding for public value to
+	 * match the length of the prime.
+	 */
+	wpabuf_put(msg, data->dh->prime_len - wpabuf_len(pv));
+	wpabuf_put_buf(msg, pv);
+	wpabuf_free(pv);
+
+	plen = (u8 *) wpabuf_put(msg, 0) - (u8 *) phdr;
+	WPA_PUT_BE16(phdr->payload_length, plen);
+	return 0;
+}
+
+
+static int ikev2_build_nr(struct ikev2_responder_data *data,
+			  struct wpabuf *msg, u8 next_payload)
+{
+	struct ikev2_payload_hdr *phdr;
+	size_t plen;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Adding Nr payload");
+
+	/* Nr - RFC 4306, Sect. 3.9 */
+	phdr = wpabuf_put(msg, sizeof(*phdr));
+	phdr->next_payload = next_payload;
+	phdr->flags = 0;
+	wpabuf_put_data(msg, data->r_nonce, data->r_nonce_len);
+	plen = (u8 *) wpabuf_put(msg, 0) - (u8 *) phdr;
+	WPA_PUT_BE16(phdr->payload_length, plen);
+	return 0;
+}
+
+
+static int ikev2_build_idr(struct ikev2_responder_data *data,
+			   struct wpabuf *msg, u8 next_payload)
+{
+	struct ikev2_payload_hdr *phdr;
+	size_t plen;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Adding IDr payload");
+
+	if (data->IDr == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: No IDr available");
+		return -1;
+	}
+
+	/* IDr - RFC 4306, Sect. 3.5 */
+	phdr = wpabuf_put(msg, sizeof(*phdr));
+	phdr->next_payload = next_payload;
+	phdr->flags = 0;
+	wpabuf_put_u8(msg, ID_KEY_ID);
+	wpabuf_put(msg, 3); /* RESERVED */
+	wpabuf_put_data(msg, data->IDr, data->IDr_len);
+	plen = (u8 *) wpabuf_put(msg, 0) - (u8 *) phdr;
+	WPA_PUT_BE16(phdr->payload_length, plen);
+	return 0;
+}
+
+
+static int ikev2_build_auth(struct ikev2_responder_data *data,
+			    struct wpabuf *msg, u8 next_payload)
+{
+	struct ikev2_payload_hdr *phdr;
+	size_t plen;
+	const struct ikev2_prf_alg *prf;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Adding AUTH payload");
+
+	prf = ikev2_get_prf(data->proposal.prf);
+	if (prf == NULL)
+		return -1;
+
+	/* Authentication - RFC 4306, Sect. 3.8 */
+	phdr = wpabuf_put(msg, sizeof(*phdr));
+	phdr->next_payload = next_payload;
+	phdr->flags = 0;
+	wpabuf_put_u8(msg, AUTH_SHARED_KEY_MIC);
+	wpabuf_put(msg, 3); /* RESERVED */
+
+	/* msg | Ni | prf(SK_pr,IDr') */
+	if (ikev2_derive_auth_data(data->proposal.prf, data->r_sign_msg,
+				   data->IDr, data->IDr_len, ID_KEY_ID,
+				   &data->keys, 0, data->shared_secret,
+				   data->shared_secret_len,
+				   data->i_nonce, data->i_nonce_len,
+				   data->key_pad, data->key_pad_len,
+				   wpabuf_put(msg, prf->hash_len)) < 0) {
+		wpa_printf(MSG_INFO, "IKEV2: Could not derive AUTH data");
+		return -1;
+	}
+	wpabuf_free(data->r_sign_msg);
+	data->r_sign_msg = NULL;
+
+	plen = (u8 *) wpabuf_put(msg, 0) - (u8 *) phdr;
+	WPA_PUT_BE16(phdr->payload_length, plen);
+	return 0;
+}
+
+
+static int ikev2_build_notification(struct ikev2_responder_data *data,
+				    struct wpabuf *msg, u8 next_payload)
+{
+	struct ikev2_payload_hdr *phdr;
+	size_t plen;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Adding Notification payload");
+
+	if (data->error_type == 0) {
+		wpa_printf(MSG_INFO, "IKEV2: No Notify Message Type "
+			   "available");
+		return -1;
+	}
+
+	/* Notify - RFC 4306, Sect. 3.10 */
+	phdr = wpabuf_put(msg, sizeof(*phdr));
+	phdr->next_payload = next_payload;
+	phdr->flags = 0;
+#ifdef CCNS_PL
+	wpabuf_put_u8(msg, 1); /* Protocol ID: IKE_SA notification */
+#else /* CCNS_PL */
+	wpabuf_put_u8(msg, 0); /* Protocol ID: no existing SA */
+#endif /* CCNS_PL */
+	wpabuf_put_u8(msg, 0); /* SPI Size */
+	wpabuf_put_be16(msg, data->error_type);
+
+	switch (data->error_type) {
+	case INVALID_KE_PAYLOAD:
+		if (data->proposal.dh == -1) {
+			wpa_printf(MSG_INFO, "IKEV2: No DH Group selected for "
+				   "INVALID_KE_PAYLOAD notifications");
+			return -1;
+		}
+		wpabuf_put_be16(msg, data->proposal.dh);
+		wpa_printf(MSG_DEBUG, "IKEV2: INVALID_KE_PAYLOAD - request "
+			   "DH Group #%d", data->proposal.dh);
+		break;
+	case AUTHENTICATION_FAILED:
+		/* no associated data */
+		break;
+	default:
+		wpa_printf(MSG_INFO, "IKEV2: Unsupported Notify Message Type "
+			   "%d", data->error_type);
+		return -1;
+	}
+
+	plen = (u8 *) wpabuf_put(msg, 0) - (u8 *) phdr;
+	WPA_PUT_BE16(phdr->payload_length, plen);
+	return 0;
+}
+
+
+static struct wpabuf * ikev2_build_sa_init(struct ikev2_responder_data *data)
+{
+	struct wpabuf *msg;
+
+	/* build IKE_SA_INIT: HDR, SAr1, KEr, Nr, [CERTREQ], [SK{IDr}] */
+
+	if (os_get_random(data->r_spi, IKEV2_SPI_LEN))
+		return NULL;
+	wpa_hexdump(MSG_DEBUG, "IKEV2: IKE_SA Responder's SPI",
+		    data->r_spi, IKEV2_SPI_LEN);
+
+	data->r_nonce_len = IKEV2_NONCE_MIN_LEN;
+	if (random_get_bytes(data->r_nonce, data->r_nonce_len))
+		return NULL;
+#ifdef CCNS_PL
+	/* Zeros are removed incorrectly from the beginning of the nonces in
+	 * key derivation; as a workaround, make sure Nr does not start with
+	 * zero.. */
+	if (data->r_nonce[0] == 0)
+		data->r_nonce[0] = 1;
+#endif /* CCNS_PL */
+	wpa_hexdump(MSG_DEBUG, "IKEV2: Nr", data->r_nonce, data->r_nonce_len);
+
+	msg = wpabuf_alloc(sizeof(struct ikev2_hdr) + data->IDr_len + 1500);
+	if (msg == NULL)
+		return NULL;
+
+	ikev2_build_hdr(data, msg, IKE_SA_INIT, IKEV2_PAYLOAD_SA, 0);
+	if (ikev2_build_sar1(data, msg, IKEV2_PAYLOAD_KEY_EXCHANGE) ||
+	    ikev2_build_ker(data, msg, IKEV2_PAYLOAD_NONCE) ||
+	    ikev2_build_nr(data, msg, data->peer_auth == PEER_AUTH_SECRET ?
+			   IKEV2_PAYLOAD_ENCRYPTED :
+			   IKEV2_PAYLOAD_NO_NEXT_PAYLOAD)) {
+		wpabuf_free(msg);
+		return NULL;
+	}
+
+	if (ikev2_derive_keys(data)) {
+		wpabuf_free(msg);
+		return NULL;
+	}
+
+	if (data->peer_auth == PEER_AUTH_CERT) {
+		/* TODO: CERTREQ with SHA-1 hashes of Subject Public Key Info
+		 * for trust agents */
+	}
+
+	if (data->peer_auth == PEER_AUTH_SECRET) {
+		struct wpabuf *plain = wpabuf_alloc(data->IDr_len + 1000);
+		if (plain == NULL) {
+			wpabuf_free(msg);
+			return NULL;
+		}
+		if (ikev2_build_idr(data, plain,
+				    IKEV2_PAYLOAD_NO_NEXT_PAYLOAD) ||
+		    ikev2_build_encrypted(data->proposal.encr,
+					  data->proposal.integ,
+					  &data->keys, 0, msg, plain,
+					  IKEV2_PAYLOAD_IDr)) {
+			wpabuf_free(plain);
+			wpabuf_free(msg);
+			return NULL;
+		}
+		wpabuf_free(plain);
+	}
+
+	ikev2_update_hdr(msg);
+
+	wpa_hexdump_buf(MSG_MSGDUMP, "IKEV2: Sending message (SA_INIT)", msg);
+
+	data->state = SA_AUTH;
+
+	wpabuf_free(data->r_sign_msg);
+	data->r_sign_msg = wpabuf_dup(msg);
+
+	return msg;
+}
+
+
+static struct wpabuf * ikev2_build_sa_auth(struct ikev2_responder_data *data)
+{
+	struct wpabuf *msg, *plain;
+
+	/* build IKE_SA_AUTH: HDR, SK {IDr, [CERT,] AUTH} */
+
+	msg = wpabuf_alloc(sizeof(struct ikev2_hdr) + data->IDr_len + 1000);
+	if (msg == NULL)
+		return NULL;
+	ikev2_build_hdr(data, msg, IKE_SA_AUTH, IKEV2_PAYLOAD_ENCRYPTED, 1);
+
+	plain = wpabuf_alloc(data->IDr_len + 1000);
+	if (plain == NULL) {
+		wpabuf_free(msg);
+		return NULL;
+	}
+
+	if (ikev2_build_idr(data, plain, IKEV2_PAYLOAD_AUTHENTICATION) ||
+	    ikev2_build_auth(data, plain, IKEV2_PAYLOAD_NO_NEXT_PAYLOAD) ||
+	    ikev2_build_encrypted(data->proposal.encr, data->proposal.integ,
+				  &data->keys, 0, msg, plain,
+				  IKEV2_PAYLOAD_IDr)) {
+		wpabuf_free(plain);
+		wpabuf_free(msg);
+		return NULL;
+	}
+	wpabuf_free(plain);
+
+	wpa_hexdump_buf(MSG_MSGDUMP, "IKEV2: Sending message (SA_AUTH)", msg);
+
+	data->state = IKEV2_DONE;
+
+	return msg;
+}
+
+
+static struct wpabuf * ikev2_build_notify(struct ikev2_responder_data *data)
+{
+	struct wpabuf *msg;
+
+	msg = wpabuf_alloc(sizeof(struct ikev2_hdr) + 1000);
+	if (msg == NULL)
+		return NULL;
+	if (data->last_msg == LAST_MSG_SA_AUTH) {
+		/* HDR, SK{N} */
+		struct wpabuf *plain = wpabuf_alloc(100);
+		if (plain == NULL) {
+			wpabuf_free(msg);
+			return NULL;
+		}
+		ikev2_build_hdr(data, msg, IKE_SA_AUTH,
+				IKEV2_PAYLOAD_ENCRYPTED, 1);
+		if (ikev2_build_notification(data, plain,
+					     IKEV2_PAYLOAD_NO_NEXT_PAYLOAD) ||
+		    ikev2_build_encrypted(data->proposal.encr,
+					  data->proposal.integ,
+					  &data->keys, 0, msg, plain,
+					  IKEV2_PAYLOAD_NOTIFICATION)) {
+			wpabuf_free(plain);
+			wpabuf_free(msg);
+			return NULL;
+		}
+		data->state = IKEV2_FAILED;
+	} else {
+		/* HDR, N */
+		ikev2_build_hdr(data, msg, IKE_SA_INIT,
+				IKEV2_PAYLOAD_NOTIFICATION, 0);
+		if (ikev2_build_notification(data, msg,
+					     IKEV2_PAYLOAD_NO_NEXT_PAYLOAD)) {
+			wpabuf_free(msg);
+			return NULL;
+		}
+		data->state = SA_INIT;
+	}
+
+	ikev2_update_hdr(msg);
+
+	wpa_hexdump_buf(MSG_MSGDUMP, "IKEV2: Sending message (Notification)",
+			msg);
+
+	return msg;
+}
+
+
+struct wpabuf * ikev2_responder_build(struct ikev2_responder_data *data)
+{
+	switch (data->state) {
+	case SA_INIT:
+		return ikev2_build_sa_init(data);
+	case SA_AUTH:
+		return ikev2_build_sa_auth(data);
+	case CHILD_SA:
+		return NULL;
+	case NOTIFY:
+		return ikev2_build_notify(data);
+	case IKEV2_DONE:
+	case IKEV2_FAILED:
+		return NULL;
+	}
+	return NULL;
+}
diff --git a/src/eap_peer/ikev2.h b/src/eap_peer/ikev2.h
new file mode 100644
index 0000000..9ca0ca5
--- /dev/null
+++ b/src/eap_peer/ikev2.h
@@ -0,0 +1,65 @@
+/*
+ * IKEv2 responder (RFC 4306) for EAP-IKEV2
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef IKEV2_H
+#define IKEV2_H
+
+#include "eap_common/ikev2_common.h"
+
+struct ikev2_proposal_data {
+	u8 proposal_num;
+	int integ;
+	int prf;
+	int encr;
+	int dh;
+};
+
+
+struct ikev2_responder_data {
+	enum { SA_INIT, SA_AUTH, CHILD_SA, NOTIFY, IKEV2_DONE, IKEV2_FAILED }
+		state;
+	u8 i_spi[IKEV2_SPI_LEN];
+	u8 r_spi[IKEV2_SPI_LEN];
+	u8 i_nonce[IKEV2_NONCE_MAX_LEN];
+	size_t i_nonce_len;
+	u8 r_nonce[IKEV2_NONCE_MAX_LEN];
+	size_t r_nonce_len;
+	struct wpabuf *i_dh_public;
+	struct wpabuf *r_dh_private;
+	struct ikev2_proposal_data proposal;
+	const struct dh_group *dh;
+	struct ikev2_keys keys;
+	u8 *IDi;
+	size_t IDi_len;
+	u8 IDi_type;
+	u8 *IDr;
+	size_t IDr_len;
+	struct wpabuf *r_sign_msg;
+	struct wpabuf *i_sign_msg;
+	u8 *shared_secret;
+	size_t shared_secret_len;
+	enum { PEER_AUTH_CERT, PEER_AUTH_SECRET } peer_auth;
+	u8 *key_pad;
+	size_t key_pad_len;
+	u16 error_type;
+	enum { LAST_MSG_SA_INIT, LAST_MSG_SA_AUTH } last_msg;
+};
+
+
+void ikev2_responder_deinit(struct ikev2_responder_data *data);
+int ikev2_responder_process(struct ikev2_responder_data *data,
+			    const struct wpabuf *buf);
+struct wpabuf * ikev2_responder_build(struct ikev2_responder_data *data);
+
+#endif /* IKEV2_H */
diff --git a/src/eap_peer/mschapv2.c b/src/eap_peer/mschapv2.c
new file mode 100644
index 0000000..b8fb075
--- /dev/null
+++ b/src/eap_peer/mschapv2.c
@@ -0,0 +1,123 @@
+/*
+ * MSCHAPV2 (RFC 2759)
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/ms_funcs.h"
+#include "mschapv2.h"
+
+const u8 * mschapv2_remove_domain(const u8 *username, size_t *len)
+{
+	size_t i;
+
+	/*
+	 * MSCHAPv2 does not include optional domain name in the
+	 * challenge-response calculation, so remove domain prefix
+	 * (if present).
+	 */
+
+	for (i = 0; i < *len; i++) {
+		if (username[i] == '\\') {
+			*len -= i + 1;
+			return username + i + 1;
+		}
+	}
+
+	return username;
+}
+
+
+int mschapv2_derive_response(const u8 *identity, size_t identity_len,
+			     const u8 *password, size_t password_len,
+			     int pwhash,
+			     const u8 *auth_challenge,
+			     const u8 *peer_challenge,
+			     u8 *nt_response, u8 *auth_response,
+			     u8 *master_key)
+{
+	const u8 *username;
+	size_t username_len;
+	u8 password_hash[16], password_hash_hash[16];
+
+	wpa_hexdump_ascii(MSG_DEBUG, "MSCHAPV2: Identity",
+			  identity, identity_len);
+	username_len = identity_len;
+	username = mschapv2_remove_domain(identity, &username_len);
+	wpa_hexdump_ascii(MSG_DEBUG, "MSCHAPV2: Username",
+			  username, username_len);
+
+	wpa_hexdump(MSG_DEBUG, "MSCHAPV2: auth_challenge",
+		    auth_challenge, MSCHAPV2_CHAL_LEN);
+	wpa_hexdump(MSG_DEBUG, "MSCHAPV2: peer_challenge",
+		    peer_challenge, MSCHAPV2_CHAL_LEN);
+	wpa_hexdump_ascii(MSG_DEBUG, "MSCHAPV2: username",
+			  username, username_len);
+	/* Authenticator response is not really needed yet, but calculate it
+	 * here so that challenges need not be saved. */
+	if (pwhash) {
+		wpa_hexdump_key(MSG_DEBUG, "MSCHAPV2: password hash",
+				password, password_len);
+		generate_nt_response_pwhash(auth_challenge, peer_challenge,
+					    username, username_len,
+					    password, nt_response);
+		generate_authenticator_response_pwhash(
+			password, peer_challenge, auth_challenge,
+			username, username_len, nt_response, auth_response);
+	} else {
+		wpa_hexdump_ascii_key(MSG_DEBUG, "MSCHAPV2: password",
+				      password, password_len);
+		generate_nt_response(auth_challenge, peer_challenge,
+				     username, username_len,
+				     password, password_len, nt_response);
+		generate_authenticator_response(password, password_len,
+						peer_challenge, auth_challenge,
+						username, username_len,
+						nt_response, auth_response);
+	}
+	wpa_hexdump(MSG_DEBUG, "MSCHAPV2: NT Response",
+		    nt_response, MSCHAPV2_NT_RESPONSE_LEN);
+	wpa_hexdump(MSG_DEBUG, "MSCHAPV2: Auth Response",
+		    auth_response, MSCHAPV2_AUTH_RESPONSE_LEN);
+
+	/* Generate master_key here since we have the needed data available. */
+	if (pwhash) {
+		if (hash_nt_password_hash(password, password_hash_hash))
+			return -1;
+	} else {
+		if (nt_password_hash(password, password_len, password_hash) ||
+		    hash_nt_password_hash(password_hash, password_hash_hash))
+			return -1;
+	}
+	get_master_key(password_hash_hash, nt_response, master_key);
+	wpa_hexdump_key(MSG_DEBUG, "MSCHAPV2: Master Key",
+			master_key, MSCHAPV2_MASTER_KEY_LEN);
+
+	return 0;
+}
+
+
+int mschapv2_verify_auth_response(const u8 *auth_response,
+				  const u8 *buf, size_t buf_len)
+{
+	u8 recv_response[MSCHAPV2_AUTH_RESPONSE_LEN];
+	if (buf_len < 2 + 2 * MSCHAPV2_AUTH_RESPONSE_LEN ||
+	    buf[0] != 'S' || buf[1] != '=' ||
+	    hexstr2bin((char *) (buf + 2), recv_response,
+		       MSCHAPV2_AUTH_RESPONSE_LEN) ||
+	    os_memcmp(auth_response, recv_response,
+		      MSCHAPV2_AUTH_RESPONSE_LEN) != 0)
+		return -1;
+	return 0;
+}
diff --git a/src/eap_peer/mschapv2.h b/src/eap_peer/mschapv2.h
new file mode 100644
index 0000000..90dad31
--- /dev/null
+++ b/src/eap_peer/mschapv2.h
@@ -0,0 +1,34 @@
+/*
+ * MSCHAPV2 (RFC 2759)
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef MSCHAPV2_H
+#define MSCHAPV2_H
+
+#define MSCHAPV2_CHAL_LEN 16
+#define MSCHAPV2_NT_RESPONSE_LEN 24
+#define MSCHAPV2_AUTH_RESPONSE_LEN 20
+#define MSCHAPV2_MASTER_KEY_LEN 16
+
+const u8 * mschapv2_remove_domain(const u8 *username, size_t *len);
+int mschapv2_derive_response(const u8 *username, size_t username_len,
+			     const u8 *password, size_t password_len,
+			     int pwhash,
+			     const u8 *auth_challenge,
+			     const u8 *peer_challenge,
+			     u8 *nt_response, u8 *auth_response,
+			     u8 *master_key);
+int mschapv2_verify_auth_response(const u8 *auth_response,
+				  const u8 *buf, size_t buf_len);
+
+#endif /* MSCHAPV2_H */
diff --git a/src/eap_peer/tncc.c b/src/eap_peer/tncc.c
new file mode 100644
index 0000000..a70d70c
--- /dev/null
+++ b/src/eap_peer/tncc.c
@@ -0,0 +1,1369 @@
+/*
+ * EAP-TNC - TNCC (IF-IMC and IF-TNCCS)
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#ifndef CONFIG_NATIVE_WINDOWS
+#include <dlfcn.h>
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+#include "common.h"
+#include "base64.h"
+#include "tncc.h"
+#include "eap_common/eap_tlv_common.h"
+#include "eap_common/eap_defs.h"
+
+
+#ifdef UNICODE
+#define TSTR "%S"
+#else /* UNICODE */
+#define TSTR "%s"
+#endif /* UNICODE */
+
+
+#define TNC_CONFIG_FILE "/etc/tnc_config"
+#define TNC_WINREG_PATH TEXT("SOFTWARE\\Trusted Computing Group\\TNC\\IMCs")
+#define IF_TNCCS_START \
+"<?xml version=\"1.0\"?>\n" \
+"<TNCCS-Batch BatchId=\"%d\" Recipient=\"TNCS\" " \
+"xmlns=\"http://www.trustedcomputinggroup.org/IWG/TNC/1_0/IF_TNCCS#\" " \
+"xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" " \
+"xsi:schemaLocation=\"http://www.trustedcomputinggroup.org/IWG/TNC/1_0/" \
+"IF_TNCCS# https://www.trustedcomputinggroup.org/XML/SCHEMA/TNCCS_1.0.xsd\">\n"
+#define IF_TNCCS_END "\n</TNCCS-Batch>"
+
+/* TNC IF-IMC */
+
+typedef unsigned long TNC_UInt32;
+typedef unsigned char *TNC_BufferReference;
+
+typedef TNC_UInt32 TNC_IMCID;
+typedef TNC_UInt32 TNC_ConnectionID;
+typedef TNC_UInt32 TNC_ConnectionState;
+typedef TNC_UInt32 TNC_RetryReason;
+typedef TNC_UInt32 TNC_MessageType;
+typedef TNC_MessageType *TNC_MessageTypeList;
+typedef TNC_UInt32 TNC_VendorID;
+typedef TNC_UInt32 TNC_MessageSubtype;
+typedef TNC_UInt32 TNC_Version;
+typedef TNC_UInt32 TNC_Result;
+
+typedef TNC_Result (*TNC_TNCC_BindFunctionPointer)(
+	TNC_IMCID imcID,
+	char *functionName,
+	void **pOutfunctionPointer);
+
+#define TNC_RESULT_SUCCESS 0
+#define TNC_RESULT_NOT_INITIALIZED 1
+#define TNC_RESULT_ALREADY_INITIALIZED 2
+#define TNC_RESULT_NO_COMMON_VERSION 3
+#define TNC_RESULT_CANT_RETRY 4
+#define TNC_RESULT_WONT_RETRY 5
+#define TNC_RESULT_INVALID_PARAMETER 6
+#define TNC_RESULT_CANT_RESPOND 7
+#define TNC_RESULT_ILLEGAL_OPERATION 8
+#define TNC_RESULT_OTHER 9
+#define TNC_RESULT_FATAL 10
+
+#define TNC_CONNECTION_STATE_CREATE 0
+#define TNC_CONNECTION_STATE_HANDSHAKE 1
+#define TNC_CONNECTION_STATE_ACCESS_ALLOWED 2
+#define TNC_CONNECTION_STATE_ACCESS_ISOLATED 3
+#define TNC_CONNECTION_STATE_ACCESS_NONE 4
+#define TNC_CONNECTION_STATE_DELETE 5
+
+#define TNC_IFIMC_VERSION_1 1
+
+#define TNC_VENDORID_ANY ((TNC_VendorID) 0xffffff)
+#define TNC_SUBTYPE_ANY ((TNC_MessageSubtype) 0xff)
+
+/* TNCC-TNCS Message Types */
+#define TNC_TNCCS_RECOMMENDATION		0x00000001
+#define TNC_TNCCS_ERROR				0x00000002
+#define TNC_TNCCS_PREFERREDLANGUAGE		0x00000003
+#define TNC_TNCCS_REASONSTRINGS			0x00000004
+
+
+/* IF-TNCCS-SOH - SSoH and SSoHR Attributes */
+enum {
+	SSOH_MS_MACHINE_INVENTORY = 1,
+	SSOH_MS_QUARANTINE_STATE = 2,
+	SSOH_MS_PACKET_INFO = 3,
+	SSOH_MS_SYSTEMGENERATED_IDS = 4,
+	SSOH_MS_MACHINENAME = 5,
+	SSOH_MS_CORRELATIONID = 6,
+	SSOH_MS_INSTALLED_SHVS = 7,
+	SSOH_MS_MACHINE_INVENTORY_EX = 8
+};
+
+struct tnc_if_imc {
+	struct tnc_if_imc *next;
+	char *name;
+	char *path;
+	void *dlhandle; /* from dlopen() */
+	TNC_IMCID imcID;
+	TNC_ConnectionID connectionID;
+	TNC_MessageTypeList supported_types;
+	size_t num_supported_types;
+	u8 *imc_send;
+	size_t imc_send_len;
+
+	/* Functions implemented by IMCs (with TNC_IMC_ prefix) */
+	TNC_Result (*Initialize)(
+		TNC_IMCID imcID,
+		TNC_Version minVersion,
+		TNC_Version maxVersion,
+		TNC_Version *pOutActualVersion);
+	TNC_Result (*NotifyConnectionChange)(
+		TNC_IMCID imcID,
+		TNC_ConnectionID connectionID,
+		TNC_ConnectionState newState);
+	TNC_Result (*BeginHandshake)(
+		TNC_IMCID imcID,
+		TNC_ConnectionID connectionID);
+	TNC_Result (*ReceiveMessage)(
+		TNC_IMCID imcID,
+		TNC_ConnectionID connectionID,
+		TNC_BufferReference messageBuffer,
+		TNC_UInt32 messageLength,
+		TNC_MessageType messageType);
+	TNC_Result (*BatchEnding)(
+		TNC_IMCID imcID,
+		TNC_ConnectionID connectionID);
+	TNC_Result (*Terminate)(TNC_IMCID imcID);
+	TNC_Result (*ProvideBindFunction)(
+		TNC_IMCID imcID,
+		TNC_TNCC_BindFunctionPointer bindFunction);
+};
+
+struct tncc_data {
+	struct tnc_if_imc *imc;
+	unsigned int last_batchid;
+};
+
+#define TNC_MAX_IMC_ID 10
+static struct tnc_if_imc *tnc_imc[TNC_MAX_IMC_ID] = { NULL };
+
+
+/* TNCC functions that IMCs can call */
+
+TNC_Result TNC_TNCC_ReportMessageTypes(
+	TNC_IMCID imcID,
+	TNC_MessageTypeList supportedTypes,
+	TNC_UInt32 typeCount)
+{
+	TNC_UInt32 i;
+	struct tnc_if_imc *imc;
+
+	wpa_printf(MSG_DEBUG, "TNC: TNC_TNCC_ReportMessageTypes(imcID=%lu "
+		   "typeCount=%lu)",
+		   (unsigned long) imcID, (unsigned long) typeCount);
+
+	for (i = 0; i < typeCount; i++) {
+		wpa_printf(MSG_DEBUG, "TNC: supportedTypes[%lu] = %lu",
+			   i, supportedTypes[i]);
+	}
+
+	if (imcID >= TNC_MAX_IMC_ID || tnc_imc[imcID] == NULL)
+		return TNC_RESULT_INVALID_PARAMETER;
+
+	imc = tnc_imc[imcID];
+	os_free(imc->supported_types);
+	imc->supported_types =
+		os_malloc(typeCount * sizeof(TNC_MessageType));
+	if (imc->supported_types == NULL)
+		return TNC_RESULT_FATAL;
+	os_memcpy(imc->supported_types, supportedTypes,
+		  typeCount * sizeof(TNC_MessageType));
+	imc->num_supported_types = typeCount;
+
+	return TNC_RESULT_SUCCESS;
+}
+
+
+TNC_Result TNC_TNCC_SendMessage(
+	TNC_IMCID imcID,
+	TNC_ConnectionID connectionID,
+	TNC_BufferReference message,
+	TNC_UInt32 messageLength,
+	TNC_MessageType messageType)
+{
+	struct tnc_if_imc *imc;
+	unsigned char *b64;
+	size_t b64len;
+
+	wpa_printf(MSG_DEBUG, "TNC: TNC_TNCC_SendMessage(imcID=%lu "
+		   "connectionID=%lu messageType=%lu)",
+		   imcID, connectionID, messageType);
+	wpa_hexdump_ascii(MSG_DEBUG, "TNC: TNC_TNCC_SendMessage",
+			  message, messageLength);
+
+	if (imcID >= TNC_MAX_IMC_ID || tnc_imc[imcID] == NULL)
+		return TNC_RESULT_INVALID_PARAMETER;
+
+	b64 = base64_encode(message, messageLength, &b64len);
+	if (b64 == NULL)
+		return TNC_RESULT_FATAL;
+
+	imc = tnc_imc[imcID];
+	os_free(imc->imc_send);
+	imc->imc_send_len = 0;
+	imc->imc_send = os_zalloc(b64len + 100);
+	if (imc->imc_send == NULL) {
+		os_free(b64);
+		return TNC_RESULT_OTHER;
+	}
+
+	imc->imc_send_len =
+		os_snprintf((char *) imc->imc_send, b64len + 100,
+			    "<IMC-IMV-Message><Type>%08X</Type>"
+			    "<Base64>%s</Base64></IMC-IMV-Message>",
+			    (unsigned int) messageType, b64);
+
+	os_free(b64);
+
+	return TNC_RESULT_SUCCESS;
+}
+
+
+TNC_Result TNC_TNCC_RequestHandshakeRetry(
+	TNC_IMCID imcID,
+	TNC_ConnectionID connectionID,
+	TNC_RetryReason reason)
+{
+	wpa_printf(MSG_DEBUG, "TNC: TNC_TNCC_RequestHandshakeRetry");
+
+	if (imcID >= TNC_MAX_IMC_ID || tnc_imc[imcID] == NULL)
+		return TNC_RESULT_INVALID_PARAMETER;
+
+	/*
+	 * TODO: trigger a call to eapol_sm_request_reauth(). This would
+	 * require that the IMC continues to be loaded in memory afer
+	 * authentication..
+	 */
+
+	return TNC_RESULT_SUCCESS;
+}
+
+
+TNC_Result TNC_9048_LogMessage(TNC_IMCID imcID, TNC_UInt32 severity,
+			       const char *message)
+{
+	wpa_printf(MSG_DEBUG, "TNC: TNC_9048_LogMessage(imcID=%lu "
+		   "severity==%lu message='%s')",
+		   imcID, severity, message);
+	return TNC_RESULT_SUCCESS;
+}
+
+
+TNC_Result TNC_9048_UserMessage(TNC_IMCID imcID, TNC_ConnectionID connectionID,
+				const char *message)
+{
+	wpa_printf(MSG_DEBUG, "TNC: TNC_9048_UserMessage(imcID=%lu "
+		   "connectionID==%lu message='%s')",
+		   imcID, connectionID, message);
+	return TNC_RESULT_SUCCESS;
+}
+
+
+TNC_Result TNC_TNCC_BindFunction(
+	TNC_IMCID imcID,
+	char *functionName,
+	void **pOutfunctionPointer)
+{
+	wpa_printf(MSG_DEBUG, "TNC: TNC_TNCC_BindFunction(imcID=%lu, "
+		   "functionName='%s')", (unsigned long) imcID, functionName);
+
+	if (imcID >= TNC_MAX_IMC_ID || tnc_imc[imcID] == NULL)
+		return TNC_RESULT_INVALID_PARAMETER;
+
+	if (pOutfunctionPointer == NULL)
+		return TNC_RESULT_INVALID_PARAMETER;
+
+	if (os_strcmp(functionName, "TNC_TNCC_ReportMessageTypes") == 0)
+		*pOutfunctionPointer = TNC_TNCC_ReportMessageTypes;
+	else if (os_strcmp(functionName, "TNC_TNCC_SendMessage") == 0)
+		*pOutfunctionPointer = TNC_TNCC_SendMessage;
+	else if (os_strcmp(functionName, "TNC_TNCC_RequestHandshakeRetry") ==
+		 0)
+		*pOutfunctionPointer = TNC_TNCC_RequestHandshakeRetry;
+	else if (os_strcmp(functionName, "TNC_9048_LogMessage") == 0)
+		*pOutfunctionPointer = TNC_9048_LogMessage;
+	else if (os_strcmp(functionName, "TNC_9048_UserMessage") == 0)
+		*pOutfunctionPointer = TNC_9048_UserMessage;
+	else
+		*pOutfunctionPointer = NULL;
+
+	return TNC_RESULT_SUCCESS;
+}
+
+
+static void * tncc_get_sym(void *handle, char *func)
+{
+	void *fptr;
+
+#ifdef CONFIG_NATIVE_WINDOWS
+#ifdef _WIN32_WCE
+	fptr = GetProcAddressA(handle, func);
+#else /* _WIN32_WCE */
+	fptr = GetProcAddress(handle, func);
+#endif /* _WIN32_WCE */
+#else /* CONFIG_NATIVE_WINDOWS */
+	fptr = dlsym(handle, func);
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+	return fptr;
+}
+
+
+static int tncc_imc_resolve_funcs(struct tnc_if_imc *imc)
+{
+	void *handle = imc->dlhandle;
+
+	/* Mandatory IMC functions */
+	imc->Initialize = tncc_get_sym(handle, "TNC_IMC_Initialize");
+	if (imc->Initialize == NULL) {
+		wpa_printf(MSG_ERROR, "TNC: IMC does not export "
+			   "TNC_IMC_Initialize");
+		return -1;
+	}
+
+	imc->BeginHandshake = tncc_get_sym(handle, "TNC_IMC_BeginHandshake");
+	if (imc->BeginHandshake == NULL) {
+		wpa_printf(MSG_ERROR, "TNC: IMC does not export "
+			   "TNC_IMC_BeginHandshake");
+		return -1;
+	}
+
+	imc->ProvideBindFunction =
+		tncc_get_sym(handle, "TNC_IMC_ProvideBindFunction");
+	if (imc->ProvideBindFunction == NULL) {
+		wpa_printf(MSG_ERROR, "TNC: IMC does not export "
+			   "TNC_IMC_ProvideBindFunction");
+		return -1;
+	}
+
+	/* Optional IMC functions */
+	imc->NotifyConnectionChange =
+		tncc_get_sym(handle, "TNC_IMC_NotifyConnectionChange");
+	imc->ReceiveMessage = tncc_get_sym(handle, "TNC_IMC_ReceiveMessage");
+	imc->BatchEnding = tncc_get_sym(handle, "TNC_IMC_BatchEnding");
+	imc->Terminate = tncc_get_sym(handle, "TNC_IMC_Terminate");
+
+	return 0;
+}
+
+
+static int tncc_imc_initialize(struct tnc_if_imc *imc)
+{
+	TNC_Result res;
+	TNC_Version imc_ver;
+
+	wpa_printf(MSG_DEBUG, "TNC: Calling TNC_IMC_Initialize for IMC '%s'",
+		   imc->name);
+	res = imc->Initialize(imc->imcID, TNC_IFIMC_VERSION_1,
+			      TNC_IFIMC_VERSION_1, &imc_ver);
+	wpa_printf(MSG_DEBUG, "TNC: TNC_IMC_Initialize: res=%lu imc_ver=%lu",
+		   (unsigned long) res, (unsigned long) imc_ver);
+
+	return res == TNC_RESULT_SUCCESS ? 0 : -1;
+}
+
+
+static int tncc_imc_terminate(struct tnc_if_imc *imc)
+{
+	TNC_Result res;
+
+	if (imc->Terminate == NULL)
+		return 0;
+
+	wpa_printf(MSG_DEBUG, "TNC: Calling TNC_IMC_Terminate for IMC '%s'",
+		   imc->name);
+	res = imc->Terminate(imc->imcID);
+	wpa_printf(MSG_DEBUG, "TNC: TNC_IMC_Terminate: %lu",
+		   (unsigned long) res);
+
+	return res == TNC_RESULT_SUCCESS ? 0 : -1;
+}
+
+
+static int tncc_imc_provide_bind_function(struct tnc_if_imc *imc)
+{
+	TNC_Result res;
+
+	wpa_printf(MSG_DEBUG, "TNC: Calling TNC_IMC_ProvideBindFunction for "
+		   "IMC '%s'", imc->name);
+	res = imc->ProvideBindFunction(imc->imcID, TNC_TNCC_BindFunction);
+	wpa_printf(MSG_DEBUG, "TNC: TNC_IMC_ProvideBindFunction: res=%lu",
+		   (unsigned long) res);
+
+	return res == TNC_RESULT_SUCCESS ? 0 : -1;
+}
+
+
+static int tncc_imc_notify_connection_change(struct tnc_if_imc *imc,
+					     TNC_ConnectionState state)
+{
+	TNC_Result res;
+
+	if (imc->NotifyConnectionChange == NULL)
+		return 0;
+
+	wpa_printf(MSG_DEBUG, "TNC: Calling TNC_IMC_NotifyConnectionChange(%d)"
+		   " for IMC '%s'", (int) state, imc->name);
+	res = imc->NotifyConnectionChange(imc->imcID, imc->connectionID,
+					  state);
+	wpa_printf(MSG_DEBUG, "TNC: TNC_IMC_NotifyConnectionChange: %lu",
+		   (unsigned long) res);
+
+	return res == TNC_RESULT_SUCCESS ? 0 : -1;
+}
+
+
+static int tncc_imc_begin_handshake(struct tnc_if_imc *imc)
+{
+	TNC_Result res;
+
+	wpa_printf(MSG_DEBUG, "TNC: Calling TNC_IMC_BeginHandshake for IMC "
+		   "'%s'", imc->name);
+	res = imc->BeginHandshake(imc->imcID, imc->connectionID);
+	wpa_printf(MSG_DEBUG, "TNC: TNC_IMC_BeginHandshake: %lu",
+		   (unsigned long) res);
+
+	return res == TNC_RESULT_SUCCESS ? 0 : -1;
+}
+
+
+static int tncc_load_imc(struct tnc_if_imc *imc)
+{
+	if (imc->path == NULL) {
+		wpa_printf(MSG_DEBUG, "TNC: No IMC configured");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "TNC: Opening IMC: %s (%s)",
+		   imc->name, imc->path);
+#ifdef CONFIG_NATIVE_WINDOWS
+#ifdef UNICODE
+	{
+		TCHAR *lib = wpa_strdup_tchar(imc->path);
+		if (lib == NULL)
+			return -1;
+		imc->dlhandle = LoadLibrary(lib);
+		os_free(lib);
+	}
+#else /* UNICODE */
+	imc->dlhandle = LoadLibrary(imc->path);
+#endif /* UNICODE */
+	if (imc->dlhandle == NULL) {
+		wpa_printf(MSG_ERROR, "TNC: Failed to open IMC '%s' (%s): %d",
+			   imc->name, imc->path, (int) GetLastError());
+		return -1;
+	}
+#else /* CONFIG_NATIVE_WINDOWS */
+	imc->dlhandle = dlopen(imc->path, RTLD_LAZY);
+	if (imc->dlhandle == NULL) {
+		wpa_printf(MSG_ERROR, "TNC: Failed to open IMC '%s' (%s): %s",
+			   imc->name, imc->path, dlerror());
+		return -1;
+	}
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+	if (tncc_imc_resolve_funcs(imc) < 0) {
+		wpa_printf(MSG_ERROR, "TNC: Failed to resolve IMC functions");
+		return -1;
+	}
+
+	if (tncc_imc_initialize(imc) < 0 ||
+	    tncc_imc_provide_bind_function(imc) < 0) {
+		wpa_printf(MSG_ERROR, "TNC: Failed to initialize IMC");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static void tncc_unload_imc(struct tnc_if_imc *imc)
+{
+	tncc_imc_terminate(imc);
+	tnc_imc[imc->imcID] = NULL;
+
+	if (imc->dlhandle) {
+#ifdef CONFIG_NATIVE_WINDOWS
+		FreeLibrary(imc->dlhandle);
+#else /* CONFIG_NATIVE_WINDOWS */
+		dlclose(imc->dlhandle);
+#endif /* CONFIG_NATIVE_WINDOWS */
+	}
+	os_free(imc->name);
+	os_free(imc->path);
+	os_free(imc->supported_types);
+	os_free(imc->imc_send);
+}
+
+
+static int tncc_supported_type(struct tnc_if_imc *imc, unsigned int type)
+{
+	size_t i;
+	unsigned int vendor, subtype;
+
+	if (imc == NULL || imc->supported_types == NULL)
+		return 0;
+
+	vendor = type >> 8;
+	subtype = type & 0xff;
+
+	for (i = 0; i < imc->num_supported_types; i++) {
+		unsigned int svendor, ssubtype;
+		svendor = imc->supported_types[i] >> 8;
+		ssubtype = imc->supported_types[i] & 0xff;
+		if ((vendor == svendor || svendor == TNC_VENDORID_ANY) &&
+		    (subtype == ssubtype || ssubtype == TNC_SUBTYPE_ANY))
+			return 1;
+	}
+
+	return 0;
+}
+
+
+static void tncc_send_to_imcs(struct tncc_data *tncc, unsigned int type,
+			      const u8 *msg, size_t len)
+{
+	struct tnc_if_imc *imc;
+	TNC_Result res;
+
+	wpa_hexdump_ascii(MSG_MSGDUMP, "TNC: Message to IMC(s)", msg, len);
+
+	for (imc = tncc->imc; imc; imc = imc->next) {
+		if (imc->ReceiveMessage == NULL ||
+		    !tncc_supported_type(imc, type))
+			continue;
+
+		wpa_printf(MSG_DEBUG, "TNC: Call ReceiveMessage for IMC '%s'",
+			   imc->name);
+		res = imc->ReceiveMessage(imc->imcID, imc->connectionID,
+					  (TNC_BufferReference) msg, len,
+					  type);
+		wpa_printf(MSG_DEBUG, "TNC: ReceiveMessage: %lu",
+			   (unsigned long) res);
+	}
+}
+
+
+void tncc_init_connection(struct tncc_data *tncc)
+{
+	struct tnc_if_imc *imc;
+
+	for (imc = tncc->imc; imc; imc = imc->next) {
+		tncc_imc_notify_connection_change(
+			imc, TNC_CONNECTION_STATE_CREATE);
+		tncc_imc_notify_connection_change(
+			imc, TNC_CONNECTION_STATE_HANDSHAKE);
+
+		os_free(imc->imc_send);
+		imc->imc_send = NULL;
+		imc->imc_send_len = 0;
+
+		tncc_imc_begin_handshake(imc);
+	}
+}
+
+
+size_t tncc_total_send_len(struct tncc_data *tncc)
+{
+	struct tnc_if_imc *imc;
+
+	size_t len = 0;
+	for (imc = tncc->imc; imc; imc = imc->next)
+		len += imc->imc_send_len;
+	return len;
+}
+
+
+u8 * tncc_copy_send_buf(struct tncc_data *tncc, u8 *pos)
+{
+	struct tnc_if_imc *imc;
+
+	for (imc = tncc->imc; imc; imc = imc->next) {
+		if (imc->imc_send == NULL)
+			continue;
+
+		os_memcpy(pos, imc->imc_send, imc->imc_send_len);
+		pos += imc->imc_send_len;
+		os_free(imc->imc_send);
+		imc->imc_send = NULL;
+		imc->imc_send_len = 0;
+	}
+
+	return pos;
+}
+
+
+char * tncc_if_tnccs_start(struct tncc_data *tncc)
+{
+	char *buf = os_malloc(1000);
+	if (buf == NULL)
+		return NULL;
+	tncc->last_batchid++;
+	os_snprintf(buf, 1000, IF_TNCCS_START, tncc->last_batchid);
+	return buf;
+}
+
+
+char * tncc_if_tnccs_end(void)
+{
+	char *buf = os_malloc(100);
+	if (buf == NULL)
+		return NULL;
+	os_snprintf(buf, 100, IF_TNCCS_END);
+	return buf;
+}
+
+
+static void tncc_notify_recommendation(struct tncc_data *tncc,
+				       enum tncc_process_res res)
+{
+	TNC_ConnectionState state;
+	struct tnc_if_imc *imc;
+
+	switch (res) {
+	case TNCCS_RECOMMENDATION_ALLOW:
+		state = TNC_CONNECTION_STATE_ACCESS_ALLOWED;
+		break;
+	case TNCCS_RECOMMENDATION_NONE:
+		state = TNC_CONNECTION_STATE_ACCESS_NONE;
+		break;
+	case TNCCS_RECOMMENDATION_ISOLATE:
+		state = TNC_CONNECTION_STATE_ACCESS_ISOLATED;
+		break;
+	default:
+		state = TNC_CONNECTION_STATE_ACCESS_NONE;
+		break;
+	}
+
+	for (imc = tncc->imc; imc; imc = imc->next)
+		tncc_imc_notify_connection_change(imc, state);
+}
+
+
+static int tncc_get_type(char *start, unsigned int *type)
+{
+	char *pos = os_strstr(start, "<Type>");
+	if (pos == NULL)
+		return -1;
+	pos += 6;
+	*type = strtoul(pos, NULL, 16);
+	return 0;
+}
+
+
+static unsigned char * tncc_get_base64(char *start, size_t *decoded_len)
+{
+	char *pos, *pos2;
+	unsigned char *decoded;
+
+	pos = os_strstr(start, "<Base64>");
+	if (pos == NULL)
+		return NULL;
+
+	pos += 8;
+	pos2 = os_strstr(pos, "</Base64>");
+	if (pos2 == NULL)
+		return NULL;
+	*pos2 = '\0';
+
+	decoded = base64_decode((unsigned char *) pos, os_strlen(pos),
+				decoded_len);
+	*pos2 = '<';
+	if (decoded == NULL) {
+		wpa_printf(MSG_DEBUG, "TNC: Failed to decode Base64 data");
+	}
+
+	return decoded;
+}
+
+
+static enum tncc_process_res tncc_get_recommendation(char *start)
+{
+	char *pos, *pos2, saved;
+	int recom;
+
+	pos = os_strstr(start, "<TNCCS-Recommendation ");
+	if (pos == NULL)
+		return TNCCS_RECOMMENDATION_ERROR;
+
+	pos += 21;
+	pos = os_strstr(pos, " type=");
+	if (pos == NULL)
+		return TNCCS_RECOMMENDATION_ERROR;
+	pos += 6;
+
+	if (*pos == '"')
+		pos++;
+
+	pos2 = pos;
+	while (*pos2 != '\0' && *pos2 != '"' && *pos2 != '>')
+		pos2++;
+
+	if (*pos2 == '\0')
+		return TNCCS_RECOMMENDATION_ERROR;
+
+	saved = *pos2;
+	*pos2 = '\0';
+	wpa_printf(MSG_DEBUG, "TNC: TNCCS-Recommendation: '%s'", pos);
+
+	recom = TNCCS_RECOMMENDATION_ERROR;
+	if (os_strcmp(pos, "allow") == 0)
+		recom = TNCCS_RECOMMENDATION_ALLOW;
+	else if (os_strcmp(pos, "none") == 0)
+		recom = TNCCS_RECOMMENDATION_NONE;
+	else if (os_strcmp(pos, "isolate") == 0)
+		recom = TNCCS_RECOMMENDATION_ISOLATE;
+
+	*pos2 = saved;
+
+	return recom;
+}
+
+
+enum tncc_process_res tncc_process_if_tnccs(struct tncc_data *tncc,
+					    const u8 *msg, size_t len)
+{
+	char *buf, *start, *end, *pos, *pos2, *payload;
+	unsigned int batch_id;
+	unsigned char *decoded;
+	size_t decoded_len;
+	enum tncc_process_res res = TNCCS_PROCESS_OK_NO_RECOMMENDATION;
+	int recommendation_msg = 0;
+
+	buf = os_malloc(len + 1);
+	if (buf == NULL)
+		return TNCCS_PROCESS_ERROR;
+
+	os_memcpy(buf, msg, len);
+	buf[len] = '\0';
+	start = os_strstr(buf, "<TNCCS-Batch ");
+	end = os_strstr(buf, "</TNCCS-Batch>");
+	if (start == NULL || end == NULL || start > end) {
+		os_free(buf);
+		return TNCCS_PROCESS_ERROR;
+	}
+
+	start += 13;
+	while (*start == ' ')
+		start++;
+	*end = '\0';
+
+	pos = os_strstr(start, "BatchId=");
+	if (pos == NULL) {
+		os_free(buf);
+		return TNCCS_PROCESS_ERROR;
+	}
+
+	pos += 8;
+	if (*pos == '"')
+		pos++;
+	batch_id = atoi(pos);
+	wpa_printf(MSG_DEBUG, "TNC: Received IF-TNCCS BatchId=%u",
+		   batch_id);
+	if (batch_id != tncc->last_batchid + 1) {
+		wpa_printf(MSG_DEBUG, "TNC: Unexpected IF-TNCCS BatchId "
+			   "%u (expected %u)",
+			   batch_id, tncc->last_batchid + 1);
+		os_free(buf);
+		return TNCCS_PROCESS_ERROR;
+	}
+	tncc->last_batchid = batch_id;
+
+	while (*pos != '\0' && *pos != '>')
+		pos++;
+	if (*pos == '\0') {
+		os_free(buf);
+		return TNCCS_PROCESS_ERROR;
+	}
+	pos++;
+	payload = start;
+
+	/*
+	 * <IMC-IMV-Message>
+	 * <Type>01234567</Type>
+	 * <Base64>foo==</Base64>
+	 * </IMC-IMV-Message>
+	 */
+
+	while (*start) {
+		char *endpos;
+		unsigned int type;
+
+		pos = os_strstr(start, "<IMC-IMV-Message>");
+		if (pos == NULL)
+			break;
+		start = pos + 17;
+		end = os_strstr(start, "</IMC-IMV-Message>");
+		if (end == NULL)
+			break;
+		*end = '\0';
+		endpos = end;
+		end += 18;
+
+		if (tncc_get_type(start, &type) < 0) {
+			*endpos = '<';
+			start = end;
+			continue;
+		}
+		wpa_printf(MSG_DEBUG, "TNC: IMC-IMV-Message Type 0x%x", type);
+
+		decoded = tncc_get_base64(start, &decoded_len);
+		if (decoded == NULL) {
+			*endpos = '<';
+			start = end;
+			continue;
+		}
+
+		tncc_send_to_imcs(tncc, type, decoded, decoded_len);
+
+		os_free(decoded);
+
+		start = end;
+	}
+
+	/*
+	 * <TNCC-TNCS-Message>
+	 * <Type>01234567</Type>
+	 * <XML><TNCCS-Foo type="foo"></TNCCS-Foo></XML>
+	 * <Base64>foo==</Base64>
+	 * </TNCC-TNCS-Message>
+	 */
+
+	start = payload;
+	while (*start) {
+		unsigned int type;
+		char *xml, *xmlend, *endpos;
+
+		pos = os_strstr(start, "<TNCC-TNCS-Message>");
+		if (pos == NULL)
+			break;
+		start = pos + 19;
+		end = os_strstr(start, "</TNCC-TNCS-Message>");
+		if (end == NULL)
+			break;
+		*end = '\0';
+		endpos = end;
+		end += 20;
+
+		if (tncc_get_type(start, &type) < 0) {
+			*endpos = '<';
+			start = end;
+			continue;
+		}
+		wpa_printf(MSG_DEBUG, "TNC: TNCC-TNCS-Message Type 0x%x",
+			   type);
+
+		/* Base64 OR XML */
+		decoded = NULL;
+		xml = NULL;
+		xmlend = NULL;
+		pos = os_strstr(start, "<XML>");
+		if (pos) {
+			pos += 5;
+			pos2 = os_strstr(pos, "</XML>");
+			if (pos2 == NULL) {
+				*endpos = '<';
+				start = end;
+				continue;
+			}
+			xmlend = pos2;
+			xml = pos;
+		} else {
+			decoded = tncc_get_base64(start, &decoded_len);
+			if (decoded == NULL) {
+				*endpos = '<';
+				start = end;
+				continue;
+			}
+		}
+
+		if (decoded) {
+			wpa_hexdump_ascii(MSG_MSGDUMP,
+					  "TNC: TNCC-TNCS-Message Base64",
+					  decoded, decoded_len);
+			os_free(decoded);
+		}
+
+		if (xml) {
+			wpa_hexdump_ascii(MSG_MSGDUMP,
+					  "TNC: TNCC-TNCS-Message XML",
+					  (unsigned char *) xml,
+					  xmlend - xml);
+		}
+
+		if (type == TNC_TNCCS_RECOMMENDATION && xml) {
+			/*
+			 * <TNCCS-Recommendation type="allow">
+			 * </TNCCS-Recommendation>
+			 */
+			*xmlend = '\0';
+			res = tncc_get_recommendation(xml);
+			*xmlend = '<';
+			recommendation_msg = 1;
+		}
+
+		start = end;
+	}
+
+	os_free(buf);
+
+	if (recommendation_msg)
+		tncc_notify_recommendation(tncc, res);
+
+	return res;
+}
+
+
+#ifdef CONFIG_NATIVE_WINDOWS
+static int tncc_read_config_reg(struct tncc_data *tncc, HKEY hive)
+{
+	HKEY hk, hk2;
+	LONG ret;
+	DWORD i;
+	struct tnc_if_imc *imc, *last;
+	int j;
+
+	last = tncc->imc;
+	while (last && last->next)
+		last = last->next;
+
+	ret = RegOpenKeyEx(hive, TNC_WINREG_PATH, 0, KEY_ENUMERATE_SUB_KEYS,
+			   &hk);
+	if (ret != ERROR_SUCCESS)
+		return 0;
+
+	for (i = 0; ; i++) {
+		TCHAR name[255], *val;
+		DWORD namelen, buflen;
+
+		namelen = 255;
+		ret = RegEnumKeyEx(hk, i, name, &namelen, NULL, NULL, NULL,
+				   NULL);
+
+		if (ret == ERROR_NO_MORE_ITEMS)
+			break;
+
+		if (ret != ERROR_SUCCESS) {
+			wpa_printf(MSG_DEBUG, "TNC: RegEnumKeyEx failed: 0x%x",
+				   (unsigned int) ret);
+			break;
+		}
+
+		if (namelen >= 255)
+			namelen = 255 - 1;
+		name[namelen] = '\0';
+
+		wpa_printf(MSG_DEBUG, "TNC: IMC '" TSTR "'", name);
+
+		ret = RegOpenKeyEx(hk, name, 0, KEY_QUERY_VALUE, &hk2);
+		if (ret != ERROR_SUCCESS) {
+			wpa_printf(MSG_DEBUG, "Could not open IMC key '" TSTR
+				   "'", name);
+			continue;
+		}
+
+		ret = RegQueryValueEx(hk2, TEXT("Path"), NULL, NULL, NULL,
+				      &buflen);
+		if (ret != ERROR_SUCCESS) {
+			wpa_printf(MSG_DEBUG, "TNC: Could not read Path from "
+				   "IMC key '" TSTR "'", name);
+			RegCloseKey(hk2);
+			continue;
+		}
+
+		val = os_malloc(buflen);
+		if (val == NULL) {
+			RegCloseKey(hk2);
+			continue;
+		}
+
+		ret = RegQueryValueEx(hk2, TEXT("Path"), NULL, NULL,
+				      (LPBYTE) val, &buflen);
+		if (ret != ERROR_SUCCESS) {
+			os_free(val);
+			RegCloseKey(hk2);
+			continue;
+		}
+
+		RegCloseKey(hk2);
+
+		wpa_unicode2ascii_inplace(val);
+		wpa_printf(MSG_DEBUG, "TNC: IMC Path '%s'", (char *) val);
+
+		for (j = 0; j < TNC_MAX_IMC_ID; j++) {
+			if (tnc_imc[j] == NULL)
+				break;
+		}
+		if (j >= TNC_MAX_IMC_ID) {
+			wpa_printf(MSG_DEBUG, "TNC: Too many IMCs");
+			os_free(val);
+			continue;
+		}
+
+		imc = os_zalloc(sizeof(*imc));
+		if (imc == NULL) {
+			os_free(val);
+			break;
+		}
+
+		imc->imcID = j;
+
+		wpa_unicode2ascii_inplace(name);
+		imc->name = os_strdup((char *) name);
+		imc->path = os_strdup((char *) val);
+
+		os_free(val);
+
+		if (last == NULL)
+			tncc->imc = imc;
+		else
+			last->next = imc;
+		last = imc;
+
+		tnc_imc[imc->imcID] = imc;
+	}
+
+	RegCloseKey(hk);
+
+	return 0;
+}
+
+
+static int tncc_read_config(struct tncc_data *tncc)
+{
+	if (tncc_read_config_reg(tncc, HKEY_LOCAL_MACHINE) < 0 ||
+	    tncc_read_config_reg(tncc, HKEY_CURRENT_USER) < 0)
+		return -1;
+	return 0;
+}
+
+#else /* CONFIG_NATIVE_WINDOWS */
+
+static struct tnc_if_imc * tncc_parse_imc(char *start, char *end, int *error)
+{
+	struct tnc_if_imc *imc;
+	char *pos, *pos2;
+	int i;
+
+	for (i = 0; i < TNC_MAX_IMC_ID; i++) {
+		if (tnc_imc[i] == NULL)
+			break;
+	}
+	if (i >= TNC_MAX_IMC_ID) {
+		wpa_printf(MSG_DEBUG, "TNC: Too many IMCs");
+		return NULL;
+	}
+
+	imc = os_zalloc(sizeof(*imc));
+	if (imc == NULL) {
+		*error = 1;
+		return NULL;
+	}
+
+	imc->imcID = i;
+
+	pos = start;
+	wpa_printf(MSG_DEBUG, "TNC: Configured IMC: %s", pos);
+	if (pos + 1 >= end || *pos != '"') {
+		wpa_printf(MSG_ERROR, "TNC: Ignoring invalid IMC line '%s' "
+			   "(no starting quotation mark)", start);
+		os_free(imc);
+		return NULL;
+	}
+
+	pos++;
+	pos2 = pos;
+	while (pos2 < end && *pos2 != '"')
+		pos2++;
+	if (pos2 >= end) {
+		wpa_printf(MSG_ERROR, "TNC: Ignoring invalid IMC line '%s' "
+			   "(no ending quotation mark)", start);
+		os_free(imc);
+		return NULL;
+	}
+	*pos2 = '\0';
+	wpa_printf(MSG_DEBUG, "TNC: Name: '%s'", pos);
+	imc->name = os_strdup(pos);
+
+	pos = pos2 + 1;
+	if (pos >= end || *pos != ' ') {
+		wpa_printf(MSG_ERROR, "TNC: Ignoring invalid IMC line '%s' "
+			   "(no space after name)", start);
+		os_free(imc->name);
+		os_free(imc);
+		return NULL;
+	}
+
+	pos++;
+	wpa_printf(MSG_DEBUG, "TNC: IMC file: '%s'", pos);
+	imc->path = os_strdup(pos);
+	tnc_imc[imc->imcID] = imc;
+
+	return imc;
+}
+
+
+static int tncc_read_config(struct tncc_data *tncc)
+{
+	char *config, *end, *pos, *line_end;
+	size_t config_len;
+	struct tnc_if_imc *imc, *last;
+
+	last = NULL;
+
+	config = os_readfile(TNC_CONFIG_FILE, &config_len);
+	if (config == NULL) {
+		wpa_printf(MSG_ERROR, "TNC: Could not open TNC configuration "
+			   "file '%s'", TNC_CONFIG_FILE);
+		return -1;
+	}
+
+	end = config + config_len;
+	for (pos = config; pos < end; pos = line_end + 1) {
+		line_end = pos;
+		while (*line_end != '\n' && *line_end != '\r' &&
+		       line_end < end)
+			line_end++;
+		*line_end = '\0';
+
+		if (os_strncmp(pos, "IMC ", 4) == 0) {
+			int error = 0;
+
+			imc = tncc_parse_imc(pos + 4, line_end, &error);
+			if (error)
+				return -1;
+			if (imc) {
+				if (last == NULL)
+					tncc->imc = imc;
+				else
+					last->next = imc;
+				last = imc;
+			}
+		}
+	}
+
+	os_free(config);
+
+	return 0;
+}
+
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+
+struct tncc_data * tncc_init(void)
+{
+	struct tncc_data *tncc;
+	struct tnc_if_imc *imc;
+
+	tncc = os_zalloc(sizeof(*tncc));
+	if (tncc == NULL)
+		return NULL;
+
+	/* TODO:
+	 * move loading and Initialize() to a location that is not
+	 *    re-initialized for every EAP-TNC session (?)
+	 */
+
+	if (tncc_read_config(tncc) < 0) {
+		wpa_printf(MSG_ERROR, "TNC: Failed to read TNC configuration");
+		goto failed;
+	}
+
+	for (imc = tncc->imc; imc; imc = imc->next) {
+		if (tncc_load_imc(imc)) {
+			wpa_printf(MSG_ERROR, "TNC: Failed to load IMC '%s'",
+				   imc->name);
+			goto failed;
+		}
+	}
+
+	return tncc;
+
+failed:
+	tncc_deinit(tncc);
+	return NULL;
+}
+
+
+void tncc_deinit(struct tncc_data *tncc)
+{
+	struct tnc_if_imc *imc, *prev;
+
+	imc = tncc->imc;
+	while (imc) {
+		tncc_unload_imc(imc);
+
+		prev = imc;
+		imc = imc->next;
+		os_free(prev);
+	}
+
+	os_free(tncc);
+}
+
+
+static struct wpabuf * tncc_build_soh(int ver)
+{
+	struct wpabuf *buf;
+	u8 *tlv_len, *tlv_len2, *outer_len, *inner_len, *ssoh_len, *end;
+	u8 correlation_id[24];
+	/* TODO: get correct name */
+	char *machinename = "wpa_supplicant@w1.fi";
+
+	if (os_get_random(correlation_id, sizeof(correlation_id)))
+		return NULL;
+	wpa_hexdump(MSG_DEBUG, "TNC: SoH Correlation ID",
+		    correlation_id, sizeof(correlation_id));
+
+	buf = wpabuf_alloc(200);
+	if (buf == NULL)
+		return NULL;
+
+	/* Vendor-Specific TLV (Microsoft) - SoH */
+	wpabuf_put_be16(buf, EAP_TLV_VENDOR_SPECIFIC_TLV); /* TLV Type */
+	tlv_len = wpabuf_put(buf, 2); /* Length */
+	wpabuf_put_be32(buf, EAP_VENDOR_MICROSOFT); /* Vendor_Id */
+	wpabuf_put_be16(buf, 0x01); /* TLV Type - SoH TLV */
+	tlv_len2 = wpabuf_put(buf, 2); /* Length */
+
+	/* SoH Header */
+	wpabuf_put_be16(buf, EAP_TLV_VENDOR_SPECIFIC_TLV); /* Outer Type */
+	outer_len = wpabuf_put(buf, 2);
+	wpabuf_put_be32(buf, EAP_VENDOR_MICROSOFT); /* IANA SMI Code */
+	wpabuf_put_be16(buf, ver); /* Inner Type */
+	inner_len = wpabuf_put(buf, 2);
+
+	if (ver == 2) {
+		/* SoH Mode Sub-Header */
+		/* Outer Type */
+		wpabuf_put_be16(buf, EAP_TLV_VENDOR_SPECIFIC_TLV);
+		wpabuf_put_be16(buf, 4 + 24 + 1 + 1); /* Length */
+		wpabuf_put_be32(buf, EAP_VENDOR_MICROSOFT); /* IANA SMI Code */
+		/* Value: */
+		wpabuf_put_data(buf, correlation_id, sizeof(correlation_id));
+		wpabuf_put_u8(buf, 0x01); /* Intent Flag - Request */
+		wpabuf_put_u8(buf, 0x00); /* Content-Type Flag */
+	}
+
+	/* SSoH TLV */
+	/* System-Health-Id */
+	wpabuf_put_be16(buf, 0x0002); /* Type */
+	wpabuf_put_be16(buf, 4); /* Length */
+	wpabuf_put_be32(buf, 79616);
+	/* Vendor-Specific Attribute */
+	wpabuf_put_be16(buf, EAP_TLV_VENDOR_SPECIFIC_TLV);
+	ssoh_len = wpabuf_put(buf, 2);
+	wpabuf_put_be32(buf, EAP_VENDOR_MICROSOFT); /* IANA SMI Code */
+
+	/* MS-Packet-Info */
+	wpabuf_put_u8(buf, SSOH_MS_PACKET_INFO);
+	/* Note: IF-TNCCS-SOH v1.0 r8 claims this field to be:
+	 * Reserved(4 bits) r(1 bit) Vers(3 bits), but Windows XP
+	 * SP3 seems to be sending 0x11 for SSoH, i.e., r(request/response) bit
+	 * would not be in the specified location.
+	 * [MS-SOH] 4.0.2: Reserved(3 bits) r(1 bit) Vers(4 bits)
+	 */
+	wpabuf_put_u8(buf, 0x11); /* r=request, vers=1 */
+
+	/* MS-Machine-Inventory */
+	/* TODO: get correct values; 0 = not applicable for OS */
+	wpabuf_put_u8(buf, SSOH_MS_MACHINE_INVENTORY);
+	wpabuf_put_be32(buf, 0); /* osVersionMajor */
+	wpabuf_put_be32(buf, 0); /* osVersionMinor */
+	wpabuf_put_be32(buf, 0); /* osVersionBuild */
+	wpabuf_put_be16(buf, 0); /* spVersionMajor */
+	wpabuf_put_be16(buf, 0); /* spVersionMinor */
+	wpabuf_put_be16(buf, 0); /* procArch */
+
+	/* MS-MachineName */
+	wpabuf_put_u8(buf, SSOH_MS_MACHINENAME);
+	wpabuf_put_be16(buf, os_strlen(machinename) + 1);
+	wpabuf_put_data(buf, machinename, os_strlen(machinename) + 1);
+
+	/* MS-CorrelationId */
+	wpabuf_put_u8(buf, SSOH_MS_CORRELATIONID);
+	wpabuf_put_data(buf, correlation_id, sizeof(correlation_id));
+
+	/* MS-Quarantine-State */
+	wpabuf_put_u8(buf, SSOH_MS_QUARANTINE_STATE);
+	wpabuf_put_be16(buf, 1); /* Flags: ExtState=0, f=0, qState=1 */
+	wpabuf_put_be32(buf, 0xffffffff); /* ProbTime (hi) */
+	wpabuf_put_be32(buf, 0xffffffff); /* ProbTime (lo) */
+	wpabuf_put_be16(buf, 1); /* urlLenInBytes */
+	wpabuf_put_u8(buf, 0); /* null termination for the url */
+
+	/* MS-Machine-Inventory-Ex */
+	wpabuf_put_u8(buf, SSOH_MS_MACHINE_INVENTORY_EX);
+	wpabuf_put_be32(buf, 0); /* Reserved
+				  * (note: Windows XP SP3 uses 0xdecafbad) */
+	wpabuf_put_u8(buf, 1); /* ProductType: Client */
+
+	/* Update SSoH Length */
+	end = wpabuf_put(buf, 0);
+	WPA_PUT_BE16(ssoh_len, end - ssoh_len - 2);
+
+	/* TODO: SoHReportEntry TLV (zero or more) */
+
+	/* Update length fields */
+	end = wpabuf_put(buf, 0);
+	WPA_PUT_BE16(tlv_len, end - tlv_len - 2);
+	WPA_PUT_BE16(tlv_len2, end - tlv_len2 - 2);
+	WPA_PUT_BE16(outer_len, end - outer_len - 2);
+	WPA_PUT_BE16(inner_len, end - inner_len - 2);
+
+	return buf;
+}
+
+
+struct wpabuf * tncc_process_soh_request(int ver, const u8 *data, size_t len)
+{
+	const u8 *pos;
+
+	wpa_hexdump(MSG_DEBUG, "TNC: SoH Request", data, len);
+
+	if (len < 12)
+		return NULL;
+
+	/* SoH Request */
+	pos = data;
+
+	/* TLV Type */
+	if (WPA_GET_BE16(pos) != EAP_TLV_VENDOR_SPECIFIC_TLV)
+		return NULL;
+	pos += 2;
+
+	/* Length */
+	if (WPA_GET_BE16(pos) < 8)
+		return NULL;
+	pos += 2;
+
+	/* Vendor_Id */
+	if (WPA_GET_BE32(pos) != EAP_VENDOR_MICROSOFT)
+		return NULL;
+	pos += 4;
+
+	/* TLV Type */
+	if (WPA_GET_BE16(pos) != 0x02 /* SoH request TLV */)
+		return NULL;
+
+	wpa_printf(MSG_DEBUG, "TNC: SoH Request TLV received");
+
+	return tncc_build_soh(2);
+}
diff --git a/src/eap_peer/tncc.h b/src/eap_peer/tncc.h
new file mode 100644
index 0000000..4d42a05
--- /dev/null
+++ b/src/eap_peer/tncc.h
@@ -0,0 +1,42 @@
+/*
+ * EAP-TNC - TNCC (IF-IMC and IF-TNCCS)
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef TNCC_H
+#define TNCC_H
+
+struct tncc_data;
+
+struct tncc_data * tncc_init(void);
+void tncc_deinit(struct tncc_data *tncc);
+void tncc_init_connection(struct tncc_data *tncc);
+size_t tncc_total_send_len(struct tncc_data *tncc);
+u8 * tncc_copy_send_buf(struct tncc_data *tncc, u8 *pos);
+char * tncc_if_tnccs_start(struct tncc_data *tncc);
+char * tncc_if_tnccs_end(void);
+
+enum tncc_process_res {
+	TNCCS_PROCESS_ERROR = -1,
+	TNCCS_PROCESS_OK_NO_RECOMMENDATION = 0,
+	TNCCS_RECOMMENDATION_ERROR,
+	TNCCS_RECOMMENDATION_ALLOW,
+	TNCCS_RECOMMENDATION_NONE,
+	TNCCS_RECOMMENDATION_ISOLATE
+};
+
+enum tncc_process_res tncc_process_if_tnccs(struct tncc_data *tncc,
+					    const u8 *msg, size_t len);
+
+struct wpabuf * tncc_process_soh_request(int ver, const u8 *data, size_t len);
+
+#endif /* TNCC_H */
diff --git a/src/eap_server/Makefile b/src/eap_server/Makefile
new file mode 100644
index 0000000..9c41962
--- /dev/null
+++ b/src/eap_server/Makefile
@@ -0,0 +1,8 @@
+all:
+	@echo Nothing to be made.
+
+clean:
+	rm -f *~ *.o *.d
+
+install:
+	@echo Nothing to be made.
diff --git a/src/eap_server/eap.h b/src/eap_server/eap.h
new file mode 100644
index 0000000..6b29075
--- /dev/null
+++ b/src/eap_server/eap.h
@@ -0,0 +1,128 @@
+/*
+ * hostapd / EAP Full Authenticator state machine (RFC 4137)
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_H
+#define EAP_H
+
+#include "common/defs.h"
+#include "eap_common/eap_defs.h"
+#include "eap_server/eap_methods.h"
+#include "wpabuf.h"
+
+struct eap_sm;
+
+#define EAP_MAX_METHODS 8
+
+#define EAP_TTLS_AUTH_PAP 1
+#define EAP_TTLS_AUTH_CHAP 2
+#define EAP_TTLS_AUTH_MSCHAP 4
+#define EAP_TTLS_AUTH_MSCHAPV2 8
+
+struct eap_user {
+	struct {
+		int vendor;
+		u32 method;
+	} methods[EAP_MAX_METHODS];
+	u8 *password;
+	size_t password_len;
+	int password_hash; /* whether password is hashed with
+			    * nt_password_hash() */
+	int phase2;
+	int force_version;
+	int ttls_auth; /* bitfield of
+			* EAP_TTLS_AUTH_{PAP,CHAP,MSCHAP,MSCHAPV2} */
+};
+
+struct eap_eapol_interface {
+	/* Lower layer to full authenticator variables */
+	Boolean eapResp; /* shared with EAPOL Backend Authentication */
+	struct wpabuf *eapRespData;
+	Boolean portEnabled;
+	int retransWhile;
+	Boolean eapRestart; /* shared with EAPOL Authenticator PAE */
+	int eapSRTT;
+	int eapRTTVAR;
+
+	/* Full authenticator to lower layer variables */
+	Boolean eapReq; /* shared with EAPOL Backend Authentication */
+	Boolean eapNoReq; /* shared with EAPOL Backend Authentication */
+	Boolean eapSuccess;
+	Boolean eapFail;
+	Boolean eapTimeout;
+	struct wpabuf *eapReqData;
+	u8 *eapKeyData;
+	size_t eapKeyDataLen;
+	Boolean eapKeyAvailable; /* called keyAvailable in IEEE 802.1X-2004 */
+
+	/* AAA interface to full authenticator variables */
+	Boolean aaaEapReq;
+	Boolean aaaEapNoReq;
+	Boolean aaaSuccess;
+	Boolean aaaFail;
+	struct wpabuf *aaaEapReqData;
+	u8 *aaaEapKeyData;
+	size_t aaaEapKeyDataLen;
+	Boolean aaaEapKeyAvailable;
+	int aaaMethodTimeout;
+
+	/* Full authenticator to AAA interface variables */
+	Boolean aaaEapResp;
+	struct wpabuf *aaaEapRespData;
+	/* aaaIdentity -> eap_get_identity() */
+	Boolean aaaTimeout;
+};
+
+struct eapol_callbacks {
+	int (*get_eap_user)(void *ctx, const u8 *identity, size_t identity_len,
+			    int phase2, struct eap_user *user);
+	const char * (*get_eap_req_id_text)(void *ctx, size_t *len);
+};
+
+struct eap_config {
+	void *ssl_ctx;
+	void *msg_ctx;
+	void *eap_sim_db_priv;
+	Boolean backend_auth;
+	int eap_server;
+	u16 pwd_group;
+	u8 *pac_opaque_encr_key;
+	u8 *eap_fast_a_id;
+	size_t eap_fast_a_id_len;
+	char *eap_fast_a_id_info;
+	int eap_fast_prov;
+	int pac_key_lifetime;
+	int pac_key_refresh_time;
+	int eap_sim_aka_result_ind;
+	int tnc;
+	struct wps_context *wps;
+	const struct wpabuf *assoc_wps_ie;
+	const struct wpabuf *assoc_p2p_ie;
+	const u8 *peer_addr;
+	int fragment_size;
+};
+
+
+struct eap_sm * eap_server_sm_init(void *eapol_ctx,
+				   struct eapol_callbacks *eapol_cb,
+				   struct eap_config *eap_conf);
+void eap_server_sm_deinit(struct eap_sm *sm);
+int eap_server_sm_step(struct eap_sm *sm);
+void eap_sm_notify_cached(struct eap_sm *sm);
+void eap_sm_pending_cb(struct eap_sm *sm);
+int eap_sm_method_pending(struct eap_sm *sm);
+const u8 * eap_get_identity(struct eap_sm *sm, size_t *len);
+struct eap_eapol_interface * eap_get_interface(struct eap_sm *sm);
+void eap_server_clear_identity(struct eap_sm *sm);
+
+#endif /* EAP_H */
diff --git a/src/eap_server/eap_i.h b/src/eap_server/eap_i.h
new file mode 100644
index 0000000..daac746
--- /dev/null
+++ b/src/eap_server/eap_i.h
@@ -0,0 +1,201 @@
+/*
+ * hostapd / EAP Authenticator state machine internal structures (RFC 4137)
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_I_H
+#define EAP_I_H
+
+#include "wpabuf.h"
+#include "eap_server/eap.h"
+#include "eap_common/eap_common.h"
+
+/* RFC 4137 - EAP Standalone Authenticator */
+
+/**
+ * struct eap_method - EAP method interface
+ * This structure defines the EAP method interface. Each method will need to
+ * register its own EAP type, EAP name, and set of function pointers for method
+ * specific operations. This interface is based on section 5.4 of RFC 4137.
+ */
+struct eap_method {
+	int vendor;
+	EapType method;
+	const char *name;
+
+	void * (*init)(struct eap_sm *sm);
+	void * (*initPickUp)(struct eap_sm *sm);
+	void (*reset)(struct eap_sm *sm, void *priv);
+
+	struct wpabuf * (*buildReq)(struct eap_sm *sm, void *priv, u8 id);
+	int (*getTimeout)(struct eap_sm *sm, void *priv);
+	Boolean (*check)(struct eap_sm *sm, void *priv,
+			 struct wpabuf *respData);
+	void (*process)(struct eap_sm *sm, void *priv,
+			struct wpabuf *respData);
+	Boolean (*isDone)(struct eap_sm *sm, void *priv);
+	u8 * (*getKey)(struct eap_sm *sm, void *priv, size_t *len);
+	/* isSuccess is not specified in draft-ietf-eap-statemachine-05.txt,
+	 * but it is useful in implementing Policy.getDecision() */
+	Boolean (*isSuccess)(struct eap_sm *sm, void *priv);
+
+	/**
+	 * free - Free EAP method data
+	 * @method: Pointer to the method data registered with
+	 * eap_server_method_register().
+	 *
+	 * This function will be called when the EAP method is being
+	 * unregistered. If the EAP method allocated resources during
+	 * registration (e.g., allocated struct eap_method), they should be
+	 * freed in this function. No other method functions will be called
+	 * after this call. If this function is not defined (i.e., function
+	 * pointer is %NULL), a default handler is used to release the method
+	 * data with free(method). This is suitable for most cases.
+	 */
+	void (*free)(struct eap_method *method);
+
+#define EAP_SERVER_METHOD_INTERFACE_VERSION 1
+	/**
+	 * version - Version of the EAP server method interface
+	 *
+	 * The EAP server method implementation should set this variable to
+	 * EAP_SERVER_METHOD_INTERFACE_VERSION. This is used to verify that the
+	 * EAP method is using supported API version when using dynamically
+	 * loadable EAP methods.
+	 */
+	int version;
+
+	/**
+	 * next - Pointer to the next EAP method
+	 *
+	 * This variable is used internally in the EAP method registration code
+	 * to create a linked list of registered EAP methods.
+	 */
+	struct eap_method *next;
+
+	/**
+	 * get_emsk - Get EAP method specific keying extended material (EMSK)
+	 * @sm: Pointer to EAP state machine allocated with eap_sm_init()
+	 * @priv: Pointer to private EAP method data from eap_method::init()
+	 * @len: Pointer to a variable to store EMSK length
+	 * Returns: EMSK or %NULL if not available
+	 *
+	 * This function can be used to get the extended keying material from
+	 * the EAP method. The key may already be stored in the method-specific
+	 * private data or this function may derive the key.
+	 */
+	u8 * (*get_emsk)(struct eap_sm *sm, void *priv, size_t *len);
+};
+
+/**
+ * struct eap_sm - EAP server state machine data
+ */
+struct eap_sm {
+	enum {
+		EAP_DISABLED, EAP_INITIALIZE, EAP_IDLE, EAP_RECEIVED,
+		EAP_INTEGRITY_CHECK, EAP_METHOD_RESPONSE, EAP_METHOD_REQUEST,
+		EAP_PROPOSE_METHOD, EAP_SELECT_ACTION, EAP_SEND_REQUEST,
+		EAP_DISCARD, EAP_NAK, EAP_RETRANSMIT, EAP_SUCCESS, EAP_FAILURE,
+		EAP_TIMEOUT_FAILURE, EAP_PICK_UP_METHOD,
+		EAP_INITIALIZE_PASSTHROUGH, EAP_IDLE2, EAP_RETRANSMIT2,
+		EAP_RECEIVED2, EAP_DISCARD2, EAP_SEND_REQUEST2,
+		EAP_AAA_REQUEST, EAP_AAA_RESPONSE, EAP_AAA_IDLE,
+		EAP_TIMEOUT_FAILURE2, EAP_FAILURE2, EAP_SUCCESS2
+	} EAP_state;
+
+	/* Constants */
+	int MaxRetrans;
+
+	struct eap_eapol_interface eap_if;
+
+	/* Full authenticator state machine local variables */
+
+	/* Long-term (maintained betwen packets) */
+	EapType currentMethod;
+	int currentId;
+	enum {
+		METHOD_PROPOSED, METHOD_CONTINUE, METHOD_END
+	} methodState;
+	int retransCount;
+	struct wpabuf *lastReqData;
+	int methodTimeout;
+
+	/* Short-term (not maintained between packets) */
+	Boolean rxResp;
+	int respId;
+	EapType respMethod;
+	int respVendor;
+	u32 respVendorMethod;
+	Boolean ignore;
+	enum {
+		DECISION_SUCCESS, DECISION_FAILURE, DECISION_CONTINUE,
+		DECISION_PASSTHROUGH
+	} decision;
+
+	/* Miscellaneous variables */
+	const struct eap_method *m; /* selected EAP method */
+	/* not defined in RFC 4137 */
+	Boolean changed;
+	void *eapol_ctx, *msg_ctx;
+	struct eapol_callbacks *eapol_cb;
+	void *eap_method_priv;
+	u8 *identity;
+	size_t identity_len;
+	/* Whether Phase 2 method should validate identity match */
+	int require_identity_match;
+	int lastId; /* Identifier used in the last EAP-Packet */
+	struct eap_user *user;
+	int user_eap_method_index;
+	int init_phase2;
+	void *ssl_ctx;
+	void *eap_sim_db_priv;
+	Boolean backend_auth;
+	Boolean update_user;
+	int eap_server;
+
+	int num_rounds;
+	enum {
+		METHOD_PENDING_NONE, METHOD_PENDING_WAIT, METHOD_PENDING_CONT
+	} method_pending;
+
+	u8 *auth_challenge;
+	u8 *peer_challenge;
+
+	u8 *pac_opaque_encr_key;
+	u8 *eap_fast_a_id;
+	size_t eap_fast_a_id_len;
+	char *eap_fast_a_id_info;
+	enum {
+		NO_PROV, ANON_PROV, AUTH_PROV, BOTH_PROV
+	} eap_fast_prov;
+	int pac_key_lifetime;
+	int pac_key_refresh_time;
+	int eap_sim_aka_result_ind;
+	int tnc;
+	u16 pwd_group;
+	struct wps_context *wps;
+	struct wpabuf *assoc_wps_ie;
+	struct wpabuf *assoc_p2p_ie;
+
+	Boolean start_reauth;
+
+	u8 peer_addr[ETH_ALEN];
+
+	/* Fragmentation size for EAP method init() handler */
+	int fragment_size;
+};
+
+int eap_user_get(struct eap_sm *sm, const u8 *identity, size_t identity_len,
+		 int phase2);
+void eap_sm_process_nak(struct eap_sm *sm, const u8 *nak_list, size_t len);
+
+#endif /* EAP_I_H */
diff --git a/src/eap_server/eap_methods.h b/src/eap_server/eap_methods.h
new file mode 100644
index 0000000..4a5296e
--- /dev/null
+++ b/src/eap_server/eap_methods.h
@@ -0,0 +1,54 @@
+/*
+ * EAP server method registration
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_SERVER_METHODS_H
+#define EAP_SERVER_METHODS_H
+
+#include "eap_common/eap_defs.h"
+
+const struct eap_method * eap_server_get_eap_method(int vendor,
+						    EapType method);
+struct eap_method * eap_server_method_alloc(int version, int vendor,
+					    EapType method, const char *name);
+void eap_server_method_free(struct eap_method *method);
+int eap_server_method_register(struct eap_method *method);
+
+EapType eap_server_get_type(const char *name, int *vendor);
+void eap_server_unregister_methods(void);
+const char * eap_server_get_name(int vendor, EapType type);
+
+/* EAP server method registration calls for statically linked in methods */
+int eap_server_identity_register(void);
+int eap_server_md5_register(void);
+int eap_server_tls_register(void);
+int eap_server_mschapv2_register(void);
+int eap_server_peap_register(void);
+int eap_server_tlv_register(void);
+int eap_server_gtc_register(void);
+int eap_server_ttls_register(void);
+int eap_server_sim_register(void);
+int eap_server_aka_register(void);
+int eap_server_aka_prime_register(void);
+int eap_server_pax_register(void);
+int eap_server_psk_register(void);
+int eap_server_sake_register(void);
+int eap_server_gpsk_register(void);
+int eap_server_vendor_test_register(void);
+int eap_server_fast_register(void);
+int eap_server_wsc_register(void);
+int eap_server_ikev2_register(void);
+int eap_server_tnc_register(void);
+int eap_server_pwd_register(void);
+
+#endif /* EAP_SERVER_METHODS_H */
diff --git a/src/eap_server/eap_server.c b/src/eap_server/eap_server.c
new file mode 100644
index 0000000..41416b1
--- /dev/null
+++ b/src/eap_server/eap_server.c
@@ -0,0 +1,1384 @@
+/*
+ * hostapd / EAP Full Authenticator state machine (RFC 4137)
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This state machine is based on the full authenticator state machine defined
+ * in RFC 4137. However, to support backend authentication in RADIUS
+ * authentication server functionality, parts of backend authenticator (also
+ * from RFC 4137) are mixed in. This functionality is enabled by setting
+ * backend_auth configuration variable to TRUE.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eap_i.h"
+#include "state_machine.h"
+#include "common/wpa_ctrl.h"
+
+#define STATE_MACHINE_DATA struct eap_sm
+#define STATE_MACHINE_DEBUG_PREFIX "EAP"
+
+#define EAP_MAX_AUTH_ROUNDS 50
+
+static void eap_user_free(struct eap_user *user);
+
+
+/* EAP state machines are described in RFC 4137 */
+
+static int eap_sm_calculateTimeout(struct eap_sm *sm, int retransCount,
+				   int eapSRTT, int eapRTTVAR,
+				   int methodTimeout);
+static void eap_sm_parseEapResp(struct eap_sm *sm, const struct wpabuf *resp);
+static int eap_sm_getId(const struct wpabuf *data);
+static struct wpabuf * eap_sm_buildSuccess(struct eap_sm *sm, u8 id);
+static struct wpabuf * eap_sm_buildFailure(struct eap_sm *sm, u8 id);
+static int eap_sm_nextId(struct eap_sm *sm, int id);
+static void eap_sm_Policy_update(struct eap_sm *sm, const u8 *nak_list,
+				 size_t len);
+static EapType eap_sm_Policy_getNextMethod(struct eap_sm *sm, int *vendor);
+static int eap_sm_Policy_getDecision(struct eap_sm *sm);
+static Boolean eap_sm_Policy_doPickUp(struct eap_sm *sm, EapType method);
+
+
+static int eap_copy_buf(struct wpabuf **dst, const struct wpabuf *src)
+{
+	if (src == NULL)
+		return -1;
+
+	wpabuf_free(*dst);
+	*dst = wpabuf_dup(src);
+	return *dst ? 0 : -1;
+}
+
+
+static int eap_copy_data(u8 **dst, size_t *dst_len,
+			 const u8 *src, size_t src_len)
+{
+	if (src == NULL)
+		return -1;
+
+	os_free(*dst);
+	*dst = os_malloc(src_len);
+	if (*dst) {
+		os_memcpy(*dst, src, src_len);
+		*dst_len = src_len;
+		return 0;
+	} else {
+		*dst_len = 0;
+		return -1;
+	}
+}
+
+#define EAP_COPY(dst, src) \
+	eap_copy_data((dst), (dst ## Len), (src), (src ## Len))
+
+
+/**
+ * eap_user_get - Fetch user information from the database
+ * @sm: Pointer to EAP state machine allocated with eap_server_sm_init()
+ * @identity: Identity (User-Name) of the user
+ * @identity_len: Length of identity in bytes
+ * @phase2: 0 = EAP phase1 user, 1 = EAP phase2 (tunneled) user
+ * Returns: 0 on success, or -1 on failure
+ *
+ * This function is used to fetch user information for EAP. The user will be
+ * selected based on the specified identity. sm->user and
+ * sm->user_eap_method_index are updated for the new user when a matching user
+ * is found. sm->user can be used to get user information (e.g., password).
+ */
+int eap_user_get(struct eap_sm *sm, const u8 *identity, size_t identity_len,
+		 int phase2)
+{
+	struct eap_user *user;
+
+	if (sm == NULL || sm->eapol_cb == NULL ||
+	    sm->eapol_cb->get_eap_user == NULL)
+		return -1;
+
+	eap_user_free(sm->user);
+	sm->user = NULL;
+
+	user = os_zalloc(sizeof(*user));
+	if (user == NULL)
+	    return -1;
+
+	if (sm->eapol_cb->get_eap_user(sm->eapol_ctx, identity,
+				       identity_len, phase2, user) != 0) {
+		eap_user_free(user);
+		return -1;
+	}
+
+	sm->user = user;
+	sm->user_eap_method_index = 0;
+
+	return 0;
+}
+
+
+SM_STATE(EAP, DISABLED)
+{
+	SM_ENTRY(EAP, DISABLED);
+	sm->num_rounds = 0;
+}
+
+
+SM_STATE(EAP, INITIALIZE)
+{
+	SM_ENTRY(EAP, INITIALIZE);
+
+	sm->currentId = -1;
+	sm->eap_if.eapSuccess = FALSE;
+	sm->eap_if.eapFail = FALSE;
+	sm->eap_if.eapTimeout = FALSE;
+	os_free(sm->eap_if.eapKeyData);
+	sm->eap_if.eapKeyData = NULL;
+	sm->eap_if.eapKeyDataLen = 0;
+	sm->eap_if.eapKeyAvailable = FALSE;
+	sm->eap_if.eapRestart = FALSE;
+
+	/*
+	 * This is not defined in RFC 4137, but method state needs to be
+	 * reseted here so that it does not remain in success state when
+	 * re-authentication starts.
+	 */
+	if (sm->m && sm->eap_method_priv) {
+		sm->m->reset(sm, sm->eap_method_priv);
+		sm->eap_method_priv = NULL;
+	}
+	sm->m = NULL;
+	sm->user_eap_method_index = 0;
+
+	if (sm->backend_auth) {
+		sm->currentMethod = EAP_TYPE_NONE;
+		/* parse rxResp, respId, respMethod */
+		eap_sm_parseEapResp(sm, sm->eap_if.eapRespData);
+		if (sm->rxResp) {
+			sm->currentId = sm->respId;
+		}
+	}
+	sm->num_rounds = 0;
+	sm->method_pending = METHOD_PENDING_NONE;
+
+	wpa_msg(sm->msg_ctx, MSG_INFO, WPA_EVENT_EAP_STARTED
+		MACSTR, MAC2STR(sm->peer_addr));
+}
+
+
+SM_STATE(EAP, PICK_UP_METHOD)
+{
+	SM_ENTRY(EAP, PICK_UP_METHOD);
+
+	if (eap_sm_Policy_doPickUp(sm, sm->respMethod)) {
+		sm->currentMethod = sm->respMethod;
+		if (sm->m && sm->eap_method_priv) {
+			sm->m->reset(sm, sm->eap_method_priv);
+			sm->eap_method_priv = NULL;
+		}
+		sm->m = eap_server_get_eap_method(EAP_VENDOR_IETF,
+						  sm->currentMethod);
+		if (sm->m && sm->m->initPickUp) {
+			sm->eap_method_priv = sm->m->initPickUp(sm);
+			if (sm->eap_method_priv == NULL) {
+				wpa_printf(MSG_DEBUG, "EAP: Failed to "
+					   "initialize EAP method %d",
+					   sm->currentMethod);
+				sm->m = NULL;
+				sm->currentMethod = EAP_TYPE_NONE;
+			}
+		} else {
+			sm->m = NULL;
+			sm->currentMethod = EAP_TYPE_NONE;
+		}
+	}
+
+	wpa_msg(sm->msg_ctx, MSG_INFO, WPA_EVENT_EAP_PROPOSED_METHOD
+		"method=%u", sm->currentMethod);
+}
+
+
+SM_STATE(EAP, IDLE)
+{
+	SM_ENTRY(EAP, IDLE);
+
+	sm->eap_if.retransWhile = eap_sm_calculateTimeout(
+		sm, sm->retransCount, sm->eap_if.eapSRTT, sm->eap_if.eapRTTVAR,
+		sm->methodTimeout);
+}
+
+
+SM_STATE(EAP, RETRANSMIT)
+{
+	SM_ENTRY(EAP, RETRANSMIT);
+
+	sm->retransCount++;
+	if (sm->retransCount <= sm->MaxRetrans && sm->lastReqData) {
+		if (eap_copy_buf(&sm->eap_if.eapReqData, sm->lastReqData) == 0)
+			sm->eap_if.eapReq = TRUE;
+	}
+}
+
+
+SM_STATE(EAP, RECEIVED)
+{
+	SM_ENTRY(EAP, RECEIVED);
+
+	/* parse rxResp, respId, respMethod */
+	eap_sm_parseEapResp(sm, sm->eap_if.eapRespData);
+	sm->num_rounds++;
+}
+
+
+SM_STATE(EAP, DISCARD)
+{
+	SM_ENTRY(EAP, DISCARD);
+	sm->eap_if.eapResp = FALSE;
+	sm->eap_if.eapNoReq = TRUE;
+}
+
+
+SM_STATE(EAP, SEND_REQUEST)
+{
+	SM_ENTRY(EAP, SEND_REQUEST);
+
+	sm->retransCount = 0;
+	if (sm->eap_if.eapReqData) {
+		if (eap_copy_buf(&sm->lastReqData, sm->eap_if.eapReqData) == 0)
+		{
+			sm->eap_if.eapResp = FALSE;
+			sm->eap_if.eapReq = TRUE;
+		} else {
+			sm->eap_if.eapResp = FALSE;
+			sm->eap_if.eapReq = FALSE;
+		}
+	} else {
+		wpa_printf(MSG_INFO, "EAP: SEND_REQUEST - no eapReqData");
+		sm->eap_if.eapResp = FALSE;
+		sm->eap_if.eapReq = FALSE;
+		sm->eap_if.eapNoReq = TRUE;
+	}
+}
+
+
+SM_STATE(EAP, INTEGRITY_CHECK)
+{
+	SM_ENTRY(EAP, INTEGRITY_CHECK);
+
+	if (sm->m->check) {
+		sm->ignore = sm->m->check(sm, sm->eap_method_priv,
+					  sm->eap_if.eapRespData);
+	}
+}
+
+
+SM_STATE(EAP, METHOD_REQUEST)
+{
+	SM_ENTRY(EAP, METHOD_REQUEST);
+
+	if (sm->m == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP: method not initialized");
+		return;
+	}
+
+	sm->currentId = eap_sm_nextId(sm, sm->currentId);
+	wpa_printf(MSG_DEBUG, "EAP: building EAP-Request: Identifier %d",
+		   sm->currentId);
+	sm->lastId = sm->currentId;
+	wpabuf_free(sm->eap_if.eapReqData);
+	sm->eap_if.eapReqData = sm->m->buildReq(sm, sm->eap_method_priv,
+						sm->currentId);
+	if (sm->m->getTimeout)
+		sm->methodTimeout = sm->m->getTimeout(sm, sm->eap_method_priv);
+	else
+		sm->methodTimeout = 0;
+}
+
+
+SM_STATE(EAP, METHOD_RESPONSE)
+{
+	SM_ENTRY(EAP, METHOD_RESPONSE);
+
+	sm->m->process(sm, sm->eap_method_priv, sm->eap_if.eapRespData);
+	if (sm->m->isDone(sm, sm->eap_method_priv)) {
+		eap_sm_Policy_update(sm, NULL, 0);
+		os_free(sm->eap_if.eapKeyData);
+		if (sm->m->getKey) {
+			sm->eap_if.eapKeyData = sm->m->getKey(
+				sm, sm->eap_method_priv,
+				&sm->eap_if.eapKeyDataLen);
+		} else {
+			sm->eap_if.eapKeyData = NULL;
+			sm->eap_if.eapKeyDataLen = 0;
+		}
+		sm->methodState = METHOD_END;
+	} else {
+		sm->methodState = METHOD_CONTINUE;
+	}
+}
+
+
+SM_STATE(EAP, PROPOSE_METHOD)
+{
+	int vendor;
+	EapType type;
+
+	SM_ENTRY(EAP, PROPOSE_METHOD);
+
+	type = eap_sm_Policy_getNextMethod(sm, &vendor);
+	if (vendor == EAP_VENDOR_IETF)
+		sm->currentMethod = type;
+	else
+		sm->currentMethod = EAP_TYPE_EXPANDED;
+	if (sm->m && sm->eap_method_priv) {
+		sm->m->reset(sm, sm->eap_method_priv);
+		sm->eap_method_priv = NULL;
+	}
+	sm->m = eap_server_get_eap_method(vendor, type);
+	if (sm->m) {
+		sm->eap_method_priv = sm->m->init(sm);
+		if (sm->eap_method_priv == NULL) {
+			wpa_printf(MSG_DEBUG, "EAP: Failed to initialize EAP "
+				   "method %d", sm->currentMethod);
+			sm->m = NULL;
+			sm->currentMethod = EAP_TYPE_NONE;
+		}
+	}
+	if (sm->currentMethod == EAP_TYPE_IDENTITY ||
+	    sm->currentMethod == EAP_TYPE_NOTIFICATION)
+		sm->methodState = METHOD_CONTINUE;
+	else
+		sm->methodState = METHOD_PROPOSED;
+
+	wpa_msg(sm->msg_ctx, MSG_INFO, WPA_EVENT_EAP_PROPOSED_METHOD
+		"vendor=%u method=%u", vendor, sm->currentMethod);
+}
+
+
+SM_STATE(EAP, NAK)
+{
+	const struct eap_hdr *nak;
+	size_t len = 0;
+	const u8 *pos;
+	const u8 *nak_list = NULL;
+
+	SM_ENTRY(EAP, NAK);
+
+	if (sm->eap_method_priv) {
+		sm->m->reset(sm, sm->eap_method_priv);
+		sm->eap_method_priv = NULL;
+	}
+	sm->m = NULL;
+
+	nak = wpabuf_head(sm->eap_if.eapRespData);
+	if (nak && wpabuf_len(sm->eap_if.eapRespData) > sizeof(*nak)) {
+		len = be_to_host16(nak->length);
+		if (len > wpabuf_len(sm->eap_if.eapRespData))
+			len = wpabuf_len(sm->eap_if.eapRespData);
+		pos = (const u8 *) (nak + 1);
+		len -= sizeof(*nak);
+		if (*pos == EAP_TYPE_NAK) {
+			pos++;
+			len--;
+			nak_list = pos;
+		}
+	}
+	eap_sm_Policy_update(sm, nak_list, len);
+}
+
+
+SM_STATE(EAP, SELECT_ACTION)
+{
+	SM_ENTRY(EAP, SELECT_ACTION);
+
+	sm->decision = eap_sm_Policy_getDecision(sm);
+}
+
+
+SM_STATE(EAP, TIMEOUT_FAILURE)
+{
+	SM_ENTRY(EAP, TIMEOUT_FAILURE);
+
+	sm->eap_if.eapTimeout = TRUE;
+}
+
+
+SM_STATE(EAP, FAILURE)
+{
+	SM_ENTRY(EAP, FAILURE);
+
+	wpabuf_free(sm->eap_if.eapReqData);
+	sm->eap_if.eapReqData = eap_sm_buildFailure(sm, sm->currentId);
+	wpabuf_free(sm->lastReqData);
+	sm->lastReqData = NULL;
+	sm->eap_if.eapFail = TRUE;
+
+	wpa_msg(sm->msg_ctx, MSG_INFO, WPA_EVENT_EAP_FAILURE
+		MACSTR, MAC2STR(sm->peer_addr));
+}
+
+
+SM_STATE(EAP, SUCCESS)
+{
+	SM_ENTRY(EAP, SUCCESS);
+
+	wpabuf_free(sm->eap_if.eapReqData);
+	sm->eap_if.eapReqData = eap_sm_buildSuccess(sm, sm->currentId);
+	wpabuf_free(sm->lastReqData);
+	sm->lastReqData = NULL;
+	if (sm->eap_if.eapKeyData)
+		sm->eap_if.eapKeyAvailable = TRUE;
+	sm->eap_if.eapSuccess = TRUE;
+
+	wpa_msg(sm->msg_ctx, MSG_INFO, WPA_EVENT_EAP_SUCCESS
+		MACSTR, MAC2STR(sm->peer_addr));
+}
+
+
+SM_STATE(EAP, INITIALIZE_PASSTHROUGH)
+{
+	SM_ENTRY(EAP, INITIALIZE_PASSTHROUGH);
+
+	wpabuf_free(sm->eap_if.aaaEapRespData);
+	sm->eap_if.aaaEapRespData = NULL;
+}
+
+
+SM_STATE(EAP, IDLE2)
+{
+	SM_ENTRY(EAP, IDLE2);
+
+	sm->eap_if.retransWhile = eap_sm_calculateTimeout(
+		sm, sm->retransCount, sm->eap_if.eapSRTT, sm->eap_if.eapRTTVAR,
+		sm->methodTimeout);
+}
+
+
+SM_STATE(EAP, RETRANSMIT2)
+{
+	SM_ENTRY(EAP, RETRANSMIT2);
+
+	sm->retransCount++;
+	if (sm->retransCount <= sm->MaxRetrans && sm->lastReqData) {
+		if (eap_copy_buf(&sm->eap_if.eapReqData, sm->lastReqData) == 0)
+			sm->eap_if.eapReq = TRUE;
+	}
+}
+
+
+SM_STATE(EAP, RECEIVED2)
+{
+	SM_ENTRY(EAP, RECEIVED2);
+
+	/* parse rxResp, respId, respMethod */
+	eap_sm_parseEapResp(sm, sm->eap_if.eapRespData);
+}
+
+
+SM_STATE(EAP, DISCARD2)
+{
+	SM_ENTRY(EAP, DISCARD2);
+	sm->eap_if.eapResp = FALSE;
+	sm->eap_if.eapNoReq = TRUE;
+}
+
+
+SM_STATE(EAP, SEND_REQUEST2)
+{
+	SM_ENTRY(EAP, SEND_REQUEST2);
+
+	sm->retransCount = 0;
+	if (sm->eap_if.eapReqData) {
+		if (eap_copy_buf(&sm->lastReqData, sm->eap_if.eapReqData) == 0)
+		{
+			sm->eap_if.eapResp = FALSE;
+			sm->eap_if.eapReq = TRUE;
+		} else {
+			sm->eap_if.eapResp = FALSE;
+			sm->eap_if.eapReq = FALSE;
+		}
+	} else {
+		wpa_printf(MSG_INFO, "EAP: SEND_REQUEST2 - no eapReqData");
+		sm->eap_if.eapResp = FALSE;
+		sm->eap_if.eapReq = FALSE;
+		sm->eap_if.eapNoReq = TRUE;
+	}
+}
+
+
+SM_STATE(EAP, AAA_REQUEST)
+{
+	SM_ENTRY(EAP, AAA_REQUEST);
+
+	if (sm->eap_if.eapRespData == NULL) {
+		wpa_printf(MSG_INFO, "EAP: AAA_REQUEST - no eapRespData");
+		return;
+	}
+
+	/*
+	 * if (respMethod == IDENTITY)
+	 *	aaaIdentity = eapRespData
+	 * This is already taken care of by the EAP-Identity method which
+	 * stores the identity into sm->identity.
+	 */
+
+	eap_copy_buf(&sm->eap_if.aaaEapRespData, sm->eap_if.eapRespData);
+}
+
+
+SM_STATE(EAP, AAA_RESPONSE)
+{
+	SM_ENTRY(EAP, AAA_RESPONSE);
+
+	eap_copy_buf(&sm->eap_if.eapReqData, sm->eap_if.aaaEapReqData);
+	sm->currentId = eap_sm_getId(sm->eap_if.eapReqData);
+	sm->methodTimeout = sm->eap_if.aaaMethodTimeout;
+}
+
+
+SM_STATE(EAP, AAA_IDLE)
+{
+	SM_ENTRY(EAP, AAA_IDLE);
+
+	sm->eap_if.aaaFail = FALSE;
+	sm->eap_if.aaaSuccess = FALSE;
+	sm->eap_if.aaaEapReq = FALSE;
+	sm->eap_if.aaaEapNoReq = FALSE;
+	sm->eap_if.aaaEapResp = TRUE;
+}
+
+
+SM_STATE(EAP, TIMEOUT_FAILURE2)
+{
+	SM_ENTRY(EAP, TIMEOUT_FAILURE2);
+
+	sm->eap_if.eapTimeout = TRUE;
+}
+
+
+SM_STATE(EAP, FAILURE2)
+{
+	SM_ENTRY(EAP, FAILURE2);
+
+	eap_copy_buf(&sm->eap_if.eapReqData, sm->eap_if.aaaEapReqData);
+	sm->eap_if.eapFail = TRUE;
+}
+
+
+SM_STATE(EAP, SUCCESS2)
+{
+	SM_ENTRY(EAP, SUCCESS2);
+
+	eap_copy_buf(&sm->eap_if.eapReqData, sm->eap_if.aaaEapReqData);
+
+	sm->eap_if.eapKeyAvailable = sm->eap_if.aaaEapKeyAvailable;
+	if (sm->eap_if.aaaEapKeyAvailable) {
+		EAP_COPY(&sm->eap_if.eapKeyData, sm->eap_if.aaaEapKeyData);
+	} else {
+		os_free(sm->eap_if.eapKeyData);
+		sm->eap_if.eapKeyData = NULL;
+		sm->eap_if.eapKeyDataLen = 0;
+	}
+
+	sm->eap_if.eapSuccess = TRUE;
+
+	/*
+	 * Start reauthentication with identity request even though we know the
+	 * previously used identity. This is needed to get reauthentication
+	 * started properly.
+	 */
+	sm->start_reauth = TRUE;
+}
+
+
+SM_STEP(EAP)
+{
+	if (sm->eap_if.eapRestart && sm->eap_if.portEnabled)
+		SM_ENTER_GLOBAL(EAP, INITIALIZE);
+	else if (!sm->eap_if.portEnabled)
+		SM_ENTER_GLOBAL(EAP, DISABLED);
+	else if (sm->num_rounds > EAP_MAX_AUTH_ROUNDS) {
+		if (sm->num_rounds == EAP_MAX_AUTH_ROUNDS + 1) {
+			wpa_printf(MSG_DEBUG, "EAP: more than %d "
+				   "authentication rounds - abort",
+				   EAP_MAX_AUTH_ROUNDS);
+			sm->num_rounds++;
+			SM_ENTER_GLOBAL(EAP, FAILURE);
+		}
+	} else switch (sm->EAP_state) {
+	case EAP_INITIALIZE:
+		if (sm->backend_auth) {
+			if (!sm->rxResp)
+				SM_ENTER(EAP, SELECT_ACTION);
+			else if (sm->rxResp &&
+				 (sm->respMethod == EAP_TYPE_NAK ||
+				  (sm->respMethod == EAP_TYPE_EXPANDED &&
+				   sm->respVendor == EAP_VENDOR_IETF &&
+				   sm->respVendorMethod == EAP_TYPE_NAK)))
+				SM_ENTER(EAP, NAK);
+			else
+				SM_ENTER(EAP, PICK_UP_METHOD);
+		} else {
+			SM_ENTER(EAP, SELECT_ACTION);
+		}
+		break;
+	case EAP_PICK_UP_METHOD:
+		if (sm->currentMethod == EAP_TYPE_NONE) {
+			SM_ENTER(EAP, SELECT_ACTION);
+		} else {
+			SM_ENTER(EAP, METHOD_RESPONSE);
+		}
+		break;
+	case EAP_DISABLED:
+		if (sm->eap_if.portEnabled)
+			SM_ENTER(EAP, INITIALIZE);
+		break;
+	case EAP_IDLE:
+		if (sm->eap_if.retransWhile == 0)
+			SM_ENTER(EAP, RETRANSMIT);
+		else if (sm->eap_if.eapResp)
+			SM_ENTER(EAP, RECEIVED);
+		break;
+	case EAP_RETRANSMIT:
+		if (sm->retransCount > sm->MaxRetrans)
+			SM_ENTER(EAP, TIMEOUT_FAILURE);
+		else
+			SM_ENTER(EAP, IDLE);
+		break;
+	case EAP_RECEIVED:
+		if (sm->rxResp && (sm->respId == sm->currentId) &&
+		    (sm->respMethod == EAP_TYPE_NAK ||
+		     (sm->respMethod == EAP_TYPE_EXPANDED &&
+		      sm->respVendor == EAP_VENDOR_IETF &&
+		      sm->respVendorMethod == EAP_TYPE_NAK))
+		    && (sm->methodState == METHOD_PROPOSED))
+			SM_ENTER(EAP, NAK);
+		else if (sm->rxResp && (sm->respId == sm->currentId) &&
+			 ((sm->respMethod == sm->currentMethod) ||
+			  (sm->respMethod == EAP_TYPE_EXPANDED &&
+			   sm->respVendor == EAP_VENDOR_IETF &&
+			   sm->respVendorMethod == sm->currentMethod)))
+			SM_ENTER(EAP, INTEGRITY_CHECK);
+		else {
+			wpa_printf(MSG_DEBUG, "EAP: RECEIVED->DISCARD: "
+				   "rxResp=%d respId=%d currentId=%d "
+				   "respMethod=%d currentMethod=%d",
+				   sm->rxResp, sm->respId, sm->currentId,
+				   sm->respMethod, sm->currentMethod);
+			SM_ENTER(EAP, DISCARD);
+		}
+		break;
+	case EAP_DISCARD:
+		SM_ENTER(EAP, IDLE);
+		break;
+	case EAP_SEND_REQUEST:
+		SM_ENTER(EAP, IDLE);
+		break;
+	case EAP_INTEGRITY_CHECK:
+		if (sm->ignore)
+			SM_ENTER(EAP, DISCARD);
+		else
+			SM_ENTER(EAP, METHOD_RESPONSE);
+		break;
+	case EAP_METHOD_REQUEST:
+		SM_ENTER(EAP, SEND_REQUEST);
+		break;
+	case EAP_METHOD_RESPONSE:
+		/*
+		 * Note: Mechanism to allow EAP methods to wait while going
+		 * through pending processing is an extension to RFC 4137
+		 * which only defines the transits to SELECT_ACTION and
+		 * METHOD_REQUEST from this METHOD_RESPONSE state.
+		 */
+		if (sm->methodState == METHOD_END)
+			SM_ENTER(EAP, SELECT_ACTION);
+		else if (sm->method_pending == METHOD_PENDING_WAIT) {
+			wpa_printf(MSG_DEBUG, "EAP: Method has pending "
+				   "processing - wait before proceeding to "
+				   "METHOD_REQUEST state");
+		} else if (sm->method_pending == METHOD_PENDING_CONT) {
+			wpa_printf(MSG_DEBUG, "EAP: Method has completed "
+				   "pending processing - reprocess pending "
+				   "EAP message");
+			sm->method_pending = METHOD_PENDING_NONE;
+			SM_ENTER(EAP, METHOD_RESPONSE);
+		} else
+			SM_ENTER(EAP, METHOD_REQUEST);
+		break;
+	case EAP_PROPOSE_METHOD:
+		/*
+		 * Note: Mechanism to allow EAP methods to wait while going
+		 * through pending processing is an extension to RFC 4137
+		 * which only defines the transit to METHOD_REQUEST from this
+		 * PROPOSE_METHOD state.
+		 */
+		if (sm->method_pending == METHOD_PENDING_WAIT) {
+			wpa_printf(MSG_DEBUG, "EAP: Method has pending "
+				   "processing - wait before proceeding to "
+				   "METHOD_REQUEST state");
+			if (sm->user_eap_method_index > 0)
+				sm->user_eap_method_index--;
+		} else if (sm->method_pending == METHOD_PENDING_CONT) {
+			wpa_printf(MSG_DEBUG, "EAP: Method has completed "
+				   "pending processing - reprocess pending "
+				   "EAP message");
+			sm->method_pending = METHOD_PENDING_NONE;
+			SM_ENTER(EAP, PROPOSE_METHOD);
+		} else
+			SM_ENTER(EAP, METHOD_REQUEST);
+		break;
+	case EAP_NAK:
+		SM_ENTER(EAP, SELECT_ACTION);
+		break;
+	case EAP_SELECT_ACTION:
+		if (sm->decision == DECISION_FAILURE)
+			SM_ENTER(EAP, FAILURE);
+		else if (sm->decision == DECISION_SUCCESS)
+			SM_ENTER(EAP, SUCCESS);
+		else if (sm->decision == DECISION_PASSTHROUGH)
+			SM_ENTER(EAP, INITIALIZE_PASSTHROUGH);
+		else
+			SM_ENTER(EAP, PROPOSE_METHOD);
+		break;
+	case EAP_TIMEOUT_FAILURE:
+		break;
+	case EAP_FAILURE:
+		break;
+	case EAP_SUCCESS:
+		break;
+
+	case EAP_INITIALIZE_PASSTHROUGH:
+		if (sm->currentId == -1)
+			SM_ENTER(EAP, AAA_IDLE);
+		else
+			SM_ENTER(EAP, AAA_REQUEST);
+		break;
+	case EAP_IDLE2:
+		if (sm->eap_if.eapResp)
+			SM_ENTER(EAP, RECEIVED2);
+		else if (sm->eap_if.retransWhile == 0)
+			SM_ENTER(EAP, RETRANSMIT2);
+		break;
+	case EAP_RETRANSMIT2:
+		if (sm->retransCount > sm->MaxRetrans)
+			SM_ENTER(EAP, TIMEOUT_FAILURE2);
+		else
+			SM_ENTER(EAP, IDLE2);
+		break;
+	case EAP_RECEIVED2:
+		if (sm->rxResp && (sm->respId == sm->currentId))
+			SM_ENTER(EAP, AAA_REQUEST);
+		else
+			SM_ENTER(EAP, DISCARD2);
+		break;
+	case EAP_DISCARD2:
+		SM_ENTER(EAP, IDLE2);
+		break;
+	case EAP_SEND_REQUEST2:
+		SM_ENTER(EAP, IDLE2);
+		break;
+	case EAP_AAA_REQUEST:
+		SM_ENTER(EAP, AAA_IDLE);
+		break;
+	case EAP_AAA_RESPONSE:
+		SM_ENTER(EAP, SEND_REQUEST2);
+		break;
+	case EAP_AAA_IDLE:
+		if (sm->eap_if.aaaFail)
+			SM_ENTER(EAP, FAILURE2);
+		else if (sm->eap_if.aaaSuccess)
+			SM_ENTER(EAP, SUCCESS2);
+		else if (sm->eap_if.aaaEapReq)
+			SM_ENTER(EAP, AAA_RESPONSE);
+		else if (sm->eap_if.aaaTimeout)
+			SM_ENTER(EAP, TIMEOUT_FAILURE2);
+		break;
+	case EAP_TIMEOUT_FAILURE2:
+		break;
+	case EAP_FAILURE2:
+		break;
+	case EAP_SUCCESS2:
+		break;
+	}
+}
+
+
+static int eap_sm_calculateTimeout(struct eap_sm *sm, int retransCount,
+				   int eapSRTT, int eapRTTVAR,
+				   int methodTimeout)
+{
+	int rto, i;
+
+	if (methodTimeout) {
+		/*
+		 * EAP method (either internal or through AAA server, provided
+		 * timeout hint. Use that as-is as a timeout for retransmitting
+		 * the EAP request if no response is received.
+		 */
+		wpa_printf(MSG_DEBUG, "EAP: retransmit timeout %d seconds "
+			   "(from EAP method hint)", methodTimeout);
+		return methodTimeout;
+	}
+
+	/*
+	 * RFC 3748 recommends algorithms described in RFC 2988 for estimation
+	 * of the retransmission timeout. This should be implemented once
+	 * round-trip time measurements are available. For nowm a simple
+	 * backoff mechanism is used instead if there are no EAP method
+	 * specific hints.
+	 *
+	 * SRTT = smoothed round-trip time
+	 * RTTVAR = round-trip time variation
+	 * RTO = retransmission timeout
+	 */
+
+	/*
+	 * RFC 2988, 2.1: before RTT measurement, set RTO to 3 seconds for
+	 * initial retransmission and then double the RTO to provide back off
+	 * per 5.5. Limit the maximum RTO to 20 seconds per RFC 3748, 4.3
+	 * modified RTOmax.
+	 */
+	rto = 3;
+	for (i = 0; i < retransCount; i++) {
+		rto *= 2;
+		if (rto >= 20) {
+			rto = 20;
+			break;
+		}
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP: retransmit timeout %d seconds "
+		   "(from dynamic back off; retransCount=%d)",
+		   rto, retransCount);
+
+	return rto;
+}
+
+
+static void eap_sm_parseEapResp(struct eap_sm *sm, const struct wpabuf *resp)
+{
+	const struct eap_hdr *hdr;
+	size_t plen;
+
+	/* parse rxResp, respId, respMethod */
+	sm->rxResp = FALSE;
+	sm->respId = -1;
+	sm->respMethod = EAP_TYPE_NONE;
+	sm->respVendor = EAP_VENDOR_IETF;
+	sm->respVendorMethod = EAP_TYPE_NONE;
+
+	if (resp == NULL || wpabuf_len(resp) < sizeof(*hdr)) {
+		wpa_printf(MSG_DEBUG, "EAP: parseEapResp: invalid resp=%p "
+			   "len=%lu", resp,
+			   resp ? (unsigned long) wpabuf_len(resp) : 0);
+		return;
+	}
+
+	hdr = wpabuf_head(resp);
+	plen = be_to_host16(hdr->length);
+	if (plen > wpabuf_len(resp)) {
+		wpa_printf(MSG_DEBUG, "EAP: Ignored truncated EAP-Packet "
+			   "(len=%lu plen=%lu)",
+			   (unsigned long) wpabuf_len(resp),
+			   (unsigned long) plen);
+		return;
+	}
+
+	sm->respId = hdr->identifier;
+
+	if (hdr->code == EAP_CODE_RESPONSE)
+		sm->rxResp = TRUE;
+
+	if (plen > sizeof(*hdr)) {
+		u8 *pos = (u8 *) (hdr + 1);
+		sm->respMethod = *pos++;
+		if (sm->respMethod == EAP_TYPE_EXPANDED) {
+			if (plen < sizeof(*hdr) + 8) {
+				wpa_printf(MSG_DEBUG, "EAP: Ignored truncated "
+					   "expanded EAP-Packet (plen=%lu)",
+					   (unsigned long) plen);
+				return;
+			}
+			sm->respVendor = WPA_GET_BE24(pos);
+			pos += 3;
+			sm->respVendorMethod = WPA_GET_BE32(pos);
+		}
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP: parseEapResp: rxResp=%d respId=%d "
+		   "respMethod=%u respVendor=%u respVendorMethod=%u",
+		   sm->rxResp, sm->respId, sm->respMethod, sm->respVendor,
+		   sm->respVendorMethod);
+}
+
+
+static int eap_sm_getId(const struct wpabuf *data)
+{
+	const struct eap_hdr *hdr;
+
+	if (data == NULL || wpabuf_len(data) < sizeof(*hdr))
+		return -1;
+
+	hdr = wpabuf_head(data);
+	wpa_printf(MSG_DEBUG, "EAP: getId: id=%d", hdr->identifier);
+	return hdr->identifier;
+}
+
+
+static struct wpabuf * eap_sm_buildSuccess(struct eap_sm *sm, u8 id)
+{
+	struct wpabuf *msg;
+	struct eap_hdr *resp;
+	wpa_printf(MSG_DEBUG, "EAP: Building EAP-Success (id=%d)", id);
+
+	msg = wpabuf_alloc(sizeof(*resp));
+	if (msg == NULL)
+		return NULL;
+	resp = wpabuf_put(msg, sizeof(*resp));
+	resp->code = EAP_CODE_SUCCESS;
+	resp->identifier = id;
+	resp->length = host_to_be16(sizeof(*resp));
+
+	return msg;
+}
+
+
+static struct wpabuf * eap_sm_buildFailure(struct eap_sm *sm, u8 id)
+{
+	struct wpabuf *msg;
+	struct eap_hdr *resp;
+	wpa_printf(MSG_DEBUG, "EAP: Building EAP-Failure (id=%d)", id);
+
+	msg = wpabuf_alloc(sizeof(*resp));
+	if (msg == NULL)
+		return NULL;
+	resp = wpabuf_put(msg, sizeof(*resp));
+	resp->code = EAP_CODE_FAILURE;
+	resp->identifier = id;
+	resp->length = host_to_be16(sizeof(*resp));
+
+	return msg;
+}
+
+
+static int eap_sm_nextId(struct eap_sm *sm, int id)
+{
+	if (id < 0) {
+		/* RFC 3748 Ch 4.1: recommended to initialize Identifier with a
+		 * random number */
+		id = rand() & 0xff;
+		if (id != sm->lastId)
+			return id;
+	}
+	return (id + 1) & 0xff;
+}
+
+
+/**
+ * eap_sm_process_nak - Process EAP-Response/Nak
+ * @sm: Pointer to EAP state machine allocated with eap_server_sm_init()
+ * @nak_list: Nak list (allowed methods) from the supplicant
+ * @len: Length of nak_list in bytes
+ *
+ * This function is called when EAP-Response/Nak is received from the
+ * supplicant. This can happen for both phase 1 and phase 2 authentications.
+ */
+void eap_sm_process_nak(struct eap_sm *sm, const u8 *nak_list, size_t len)
+{
+	int i;
+	size_t j;
+
+	if (sm->user == NULL)
+		return;
+
+	wpa_printf(MSG_MSGDUMP, "EAP: processing NAK (current EAP method "
+		   "index %d)", sm->user_eap_method_index);
+
+	wpa_hexdump(MSG_MSGDUMP, "EAP: configured methods",
+		    (u8 *) sm->user->methods,
+		    EAP_MAX_METHODS * sizeof(sm->user->methods[0]));
+	wpa_hexdump(MSG_MSGDUMP, "EAP: list of methods supported by the peer",
+		    nak_list, len);
+
+	i = sm->user_eap_method_index;
+	while (i < EAP_MAX_METHODS &&
+	       (sm->user->methods[i].vendor != EAP_VENDOR_IETF ||
+		sm->user->methods[i].method != EAP_TYPE_NONE)) {
+		if (sm->user->methods[i].vendor != EAP_VENDOR_IETF)
+			goto not_found;
+		for (j = 0; j < len; j++) {
+			if (nak_list[j] == sm->user->methods[i].method) {
+				break;
+			}
+		}
+
+		if (j < len) {
+			/* found */
+			i++;
+			continue;
+		}
+
+	not_found:
+		/* not found - remove from the list */
+		os_memmove(&sm->user->methods[i], &sm->user->methods[i + 1],
+			   (EAP_MAX_METHODS - i - 1) *
+			   sizeof(sm->user->methods[0]));
+		sm->user->methods[EAP_MAX_METHODS - 1].vendor =
+			EAP_VENDOR_IETF;
+		sm->user->methods[EAP_MAX_METHODS - 1].method = EAP_TYPE_NONE;
+	}
+
+	wpa_hexdump(MSG_MSGDUMP, "EAP: new list of configured methods",
+		    (u8 *) sm->user->methods, EAP_MAX_METHODS *
+		    sizeof(sm->user->methods[0]));
+}
+
+
+static void eap_sm_Policy_update(struct eap_sm *sm, const u8 *nak_list,
+				 size_t len)
+{
+	if (nak_list == NULL || sm == NULL || sm->user == NULL)
+		return;
+
+	if (sm->user->phase2) {
+		wpa_printf(MSG_DEBUG, "EAP: EAP-Nak received after Phase2 user"
+			   " info was selected - reject");
+		sm->decision = DECISION_FAILURE;
+		return;
+	}
+
+	eap_sm_process_nak(sm, nak_list, len);
+}
+
+
+static EapType eap_sm_Policy_getNextMethod(struct eap_sm *sm, int *vendor)
+{
+	EapType next;
+	int idx = sm->user_eap_method_index;
+
+	/* In theory, there should be no problems with starting
+	 * re-authentication with something else than EAP-Request/Identity and
+	 * this does indeed work with wpa_supplicant. However, at least Funk
+	 * Supplicant seemed to ignore re-auth if it skipped
+	 * EAP-Request/Identity.
+	 * Re-auth sets currentId == -1, so that can be used here to select
+	 * whether Identity needs to be requested again. */
+	if (sm->identity == NULL || sm->currentId == -1) {
+		*vendor = EAP_VENDOR_IETF;
+		next = EAP_TYPE_IDENTITY;
+		sm->update_user = TRUE;
+	} else if (sm->user && idx < EAP_MAX_METHODS &&
+		   (sm->user->methods[idx].vendor != EAP_VENDOR_IETF ||
+		    sm->user->methods[idx].method != EAP_TYPE_NONE)) {
+		*vendor = sm->user->methods[idx].vendor;
+		next = sm->user->methods[idx].method;
+		sm->user_eap_method_index++;
+	} else {
+		*vendor = EAP_VENDOR_IETF;
+		next = EAP_TYPE_NONE;
+	}
+	wpa_printf(MSG_DEBUG, "EAP: getNextMethod: vendor %d type %d",
+		   *vendor, next);
+	return next;
+}
+
+
+static int eap_sm_Policy_getDecision(struct eap_sm *sm)
+{
+	if (!sm->eap_server && sm->identity && !sm->start_reauth) {
+		wpa_printf(MSG_DEBUG, "EAP: getDecision: -> PASSTHROUGH");
+		return DECISION_PASSTHROUGH;
+	}
+
+	if (sm->m && sm->currentMethod != EAP_TYPE_IDENTITY &&
+	    sm->m->isSuccess(sm, sm->eap_method_priv)) {
+		wpa_printf(MSG_DEBUG, "EAP: getDecision: method succeeded -> "
+			   "SUCCESS");
+		sm->update_user = TRUE;
+		return DECISION_SUCCESS;
+	}
+
+	if (sm->m && sm->m->isDone(sm, sm->eap_method_priv) &&
+	    !sm->m->isSuccess(sm, sm->eap_method_priv)) {
+		wpa_printf(MSG_DEBUG, "EAP: getDecision: method failed -> "
+			   "FAILURE");
+		sm->update_user = TRUE;
+		return DECISION_FAILURE;
+	}
+
+	if ((sm->user == NULL || sm->update_user) && sm->identity &&
+	    !sm->start_reauth) {
+		/*
+		 * Allow Identity method to be started once to allow identity
+		 * selection hint to be sent from the authentication server,
+		 * but prevent a loop of Identity requests by only allowing
+		 * this to happen once.
+		 */
+		int id_req = 0;
+		if (sm->user && sm->currentMethod == EAP_TYPE_IDENTITY &&
+		    sm->user->methods[0].vendor == EAP_VENDOR_IETF &&
+		    sm->user->methods[0].method == EAP_TYPE_IDENTITY)
+			id_req = 1;
+		if (eap_user_get(sm, sm->identity, sm->identity_len, 0) != 0) {
+			wpa_printf(MSG_DEBUG, "EAP: getDecision: user not "
+				   "found from database -> FAILURE");
+			return DECISION_FAILURE;
+		}
+		if (id_req && sm->user &&
+		    sm->user->methods[0].vendor == EAP_VENDOR_IETF &&
+		    sm->user->methods[0].method == EAP_TYPE_IDENTITY) {
+			wpa_printf(MSG_DEBUG, "EAP: getDecision: stop "
+				   "identity request loop -> FAILURE");
+			sm->update_user = TRUE;
+			return DECISION_FAILURE;
+		}
+		sm->update_user = FALSE;
+	}
+	sm->start_reauth = FALSE;
+
+	if (sm->user && sm->user_eap_method_index < EAP_MAX_METHODS &&
+	    (sm->user->methods[sm->user_eap_method_index].vendor !=
+	     EAP_VENDOR_IETF ||
+	     sm->user->methods[sm->user_eap_method_index].method !=
+	     EAP_TYPE_NONE)) {
+		wpa_printf(MSG_DEBUG, "EAP: getDecision: another method "
+			   "available -> CONTINUE");
+		return DECISION_CONTINUE;
+	}
+
+	if (sm->identity == NULL || sm->currentId == -1) {
+		wpa_printf(MSG_DEBUG, "EAP: getDecision: no identity known "
+			   "yet -> CONTINUE");
+		return DECISION_CONTINUE;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP: getDecision: no more methods available -> "
+		   "FAILURE");
+	return DECISION_FAILURE;
+}
+
+
+static Boolean eap_sm_Policy_doPickUp(struct eap_sm *sm, EapType method)
+{
+	return method == EAP_TYPE_IDENTITY ? TRUE : FALSE;
+}
+
+
+/**
+ * eap_server_sm_step - Step EAP server state machine
+ * @sm: Pointer to EAP state machine allocated with eap_server_sm_init()
+ * Returns: 1 if EAP state was changed or 0 if not
+ *
+ * This function advances EAP state machine to a new state to match with the
+ * current variables. This should be called whenever variables used by the EAP
+ * state machine have changed.
+ */
+int eap_server_sm_step(struct eap_sm *sm)
+{
+	int res = 0;
+	do {
+		sm->changed = FALSE;
+		SM_STEP_RUN(EAP);
+		if (sm->changed)
+			res = 1;
+	} while (sm->changed);
+	return res;
+}
+
+
+static void eap_user_free(struct eap_user *user)
+{
+	if (user == NULL)
+		return;
+	os_free(user->password);
+	user->password = NULL;
+	os_free(user);
+}
+
+
+/**
+ * eap_server_sm_init - Allocate and initialize EAP server state machine
+ * @eapol_ctx: Context data to be used with eapol_cb calls
+ * @eapol_cb: Pointer to EAPOL callback functions
+ * @conf: EAP configuration
+ * Returns: Pointer to the allocated EAP state machine or %NULL on failure
+ *
+ * This function allocates and initializes an EAP state machine.
+ */
+struct eap_sm * eap_server_sm_init(void *eapol_ctx,
+				   struct eapol_callbacks *eapol_cb,
+				   struct eap_config *conf)
+{
+	struct eap_sm *sm;
+
+	sm = os_zalloc(sizeof(*sm));
+	if (sm == NULL)
+		return NULL;
+	sm->eapol_ctx = eapol_ctx;
+	sm->eapol_cb = eapol_cb;
+	sm->MaxRetrans = 5; /* RFC 3748: max 3-5 retransmissions suggested */
+	sm->ssl_ctx = conf->ssl_ctx;
+	sm->msg_ctx = conf->msg_ctx;
+	sm->eap_sim_db_priv = conf->eap_sim_db_priv;
+	sm->backend_auth = conf->backend_auth;
+	sm->eap_server = conf->eap_server;
+	if (conf->pac_opaque_encr_key) {
+		sm->pac_opaque_encr_key = os_malloc(16);
+		if (sm->pac_opaque_encr_key) {
+			os_memcpy(sm->pac_opaque_encr_key,
+				  conf->pac_opaque_encr_key, 16);
+		}
+	}
+	if (conf->eap_fast_a_id) {
+		sm->eap_fast_a_id = os_malloc(conf->eap_fast_a_id_len);
+		if (sm->eap_fast_a_id) {
+			os_memcpy(sm->eap_fast_a_id, conf->eap_fast_a_id,
+				  conf->eap_fast_a_id_len);
+			sm->eap_fast_a_id_len = conf->eap_fast_a_id_len;
+		}
+	}
+	if (conf->eap_fast_a_id_info)
+		sm->eap_fast_a_id_info = os_strdup(conf->eap_fast_a_id_info);
+	sm->eap_fast_prov = conf->eap_fast_prov;
+	sm->pac_key_lifetime = conf->pac_key_lifetime;
+	sm->pac_key_refresh_time = conf->pac_key_refresh_time;
+	sm->eap_sim_aka_result_ind = conf->eap_sim_aka_result_ind;
+	sm->tnc = conf->tnc;
+	sm->wps = conf->wps;
+	if (conf->assoc_wps_ie)
+		sm->assoc_wps_ie = wpabuf_dup(conf->assoc_wps_ie);
+	if (conf->assoc_p2p_ie)
+		sm->assoc_p2p_ie = wpabuf_dup(conf->assoc_p2p_ie);
+	if (conf->peer_addr)
+		os_memcpy(sm->peer_addr, conf->peer_addr, ETH_ALEN);
+	sm->fragment_size = conf->fragment_size;
+	sm->pwd_group = conf->pwd_group;
+
+	wpa_printf(MSG_DEBUG, "EAP: Server state machine created");
+
+	return sm;
+}
+
+
+/**
+ * eap_server_sm_deinit - Deinitialize and free an EAP server state machine
+ * @sm: Pointer to EAP state machine allocated with eap_server_sm_init()
+ *
+ * This function deinitializes EAP state machine and frees all allocated
+ * resources.
+ */
+void eap_server_sm_deinit(struct eap_sm *sm)
+{
+	if (sm == NULL)
+		return;
+	wpa_printf(MSG_DEBUG, "EAP: Server state machine removed");
+	if (sm->m && sm->eap_method_priv)
+		sm->m->reset(sm, sm->eap_method_priv);
+	wpabuf_free(sm->eap_if.eapReqData);
+	os_free(sm->eap_if.eapKeyData);
+	wpabuf_free(sm->lastReqData);
+	wpabuf_free(sm->eap_if.eapRespData);
+	os_free(sm->identity);
+	os_free(sm->pac_opaque_encr_key);
+	os_free(sm->eap_fast_a_id);
+	os_free(sm->eap_fast_a_id_info);
+	wpabuf_free(sm->eap_if.aaaEapReqData);
+	wpabuf_free(sm->eap_if.aaaEapRespData);
+	os_free(sm->eap_if.aaaEapKeyData);
+	eap_user_free(sm->user);
+	wpabuf_free(sm->assoc_wps_ie);
+	wpabuf_free(sm->assoc_p2p_ie);
+	os_free(sm);
+}
+
+
+/**
+ * eap_sm_notify_cached - Notify EAP state machine of cached PMK
+ * @sm: Pointer to EAP state machine allocated with eap_server_sm_init()
+ *
+ * This function is called when PMKSA caching is used to skip EAP
+ * authentication.
+ */
+void eap_sm_notify_cached(struct eap_sm *sm)
+{
+	if (sm == NULL)
+		return;
+
+	sm->EAP_state = EAP_SUCCESS;
+}
+
+
+/**
+ * eap_sm_pending_cb - EAP state machine callback for a pending EAP request
+ * @sm: Pointer to EAP state machine allocated with eap_server_sm_init()
+ *
+ * This function is called when data for a pending EAP-Request is received.
+ */
+void eap_sm_pending_cb(struct eap_sm *sm)
+{
+	if (sm == NULL)
+		return;
+	wpa_printf(MSG_DEBUG, "EAP: Callback for pending request received");
+	if (sm->method_pending == METHOD_PENDING_WAIT)
+		sm->method_pending = METHOD_PENDING_CONT;
+}
+
+
+/**
+ * eap_sm_method_pending - Query whether EAP method is waiting for pending data
+ * @sm: Pointer to EAP state machine allocated with eap_server_sm_init()
+ * Returns: 1 if method is waiting for pending data or 0 if not
+ */
+int eap_sm_method_pending(struct eap_sm *sm)
+{
+	if (sm == NULL)
+		return 0;
+	return sm->method_pending == METHOD_PENDING_WAIT;
+}
+
+
+/**
+ * eap_get_identity - Get the user identity (from EAP-Response/Identity)
+ * @sm: Pointer to EAP state machine allocated with eap_server_sm_init()
+ * @len: Buffer for returning identity length
+ * Returns: Pointer to the user identity or %NULL if not available
+ */
+const u8 * eap_get_identity(struct eap_sm *sm, size_t *len)
+{
+	*len = sm->identity_len;
+	return sm->identity;
+}
+
+
+/**
+ * eap_get_interface - Get pointer to EAP-EAPOL interface data
+ * @sm: Pointer to EAP state machine allocated with eap_server_sm_init()
+ * Returns: Pointer to the EAP-EAPOL interface data
+ */
+struct eap_eapol_interface * eap_get_interface(struct eap_sm *sm)
+{
+	return &sm->eap_if;
+}
+
+
+/**
+ * eap_server_clear_identity - Clear EAP identity information
+ * @sm: Pointer to EAP state machine allocated with eap_server_sm_init()
+ *
+ * This function can be used to clear the EAP identity information in the EAP
+ * server context. This allows the EAP/Identity method to be used again after
+ * EAPOL-Start or EAPOL-Logoff.
+ */
+void eap_server_clear_identity(struct eap_sm *sm)
+{
+	os_free(sm->identity);
+	sm->identity = NULL;
+}
diff --git a/src/eap_server/eap_server_aka.c b/src/eap_server/eap_server_aka.c
new file mode 100644
index 0000000..42cbdce
--- /dev/null
+++ b/src/eap_server/eap_server_aka.c
@@ -0,0 +1,1278 @@
+/*
+ * hostapd / EAP-AKA (RFC 4187) and EAP-AKA' (draft-arkko-eap-aka-kdf)
+ * Copyright (c) 2005-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/sha256.h"
+#include "crypto/crypto.h"
+#include "crypto/random.h"
+#include "eap_common/eap_sim_common.h"
+#include "eap_server/eap_i.h"
+#include "eap_server/eap_sim_db.h"
+
+
+struct eap_aka_data {
+	u8 mk[EAP_SIM_MK_LEN];
+	u8 nonce_s[EAP_SIM_NONCE_S_LEN];
+	u8 k_aut[EAP_AKA_PRIME_K_AUT_LEN];
+	u8 k_encr[EAP_SIM_K_ENCR_LEN];
+	u8 k_re[EAP_AKA_PRIME_K_RE_LEN]; /* EAP-AKA' only */
+	u8 msk[EAP_SIM_KEYING_DATA_LEN];
+	u8 emsk[EAP_EMSK_LEN];
+	u8 rand[EAP_AKA_RAND_LEN];
+	u8 autn[EAP_AKA_AUTN_LEN];
+	u8 ck[EAP_AKA_CK_LEN];
+	u8 ik[EAP_AKA_IK_LEN];
+	u8 res[EAP_AKA_RES_MAX_LEN];
+	size_t res_len;
+	enum {
+		IDENTITY, CHALLENGE, REAUTH, NOTIFICATION, SUCCESS, FAILURE
+	} state;
+	char *next_pseudonym;
+	char *next_reauth_id;
+	u16 counter;
+	struct eap_sim_reauth *reauth;
+	int auts_reported; /* whether the current AUTS has been reported to the
+			    * eap_sim_db */
+	u16 notification;
+	int use_result_ind;
+
+	struct wpabuf *id_msgs;
+	int pending_id;
+	u8 eap_method;
+	u8 *network_name;
+	size_t network_name_len;
+	u16 kdf;
+};
+
+
+static void eap_aka_determine_identity(struct eap_sm *sm,
+				       struct eap_aka_data *data,
+				       int before_identity, int after_reauth);
+
+
+static const char * eap_aka_state_txt(int state)
+{
+	switch (state) {
+	case IDENTITY:
+		return "IDENTITY";
+	case CHALLENGE:
+		return "CHALLENGE";
+	case REAUTH:
+		return "REAUTH";
+	case SUCCESS:
+		return "SUCCESS";
+	case FAILURE:
+		return "FAILURE";
+	case NOTIFICATION:
+		return "NOTIFICATION";
+	default:
+		return "Unknown?!";
+	}
+}
+
+
+static void eap_aka_state(struct eap_aka_data *data, int state)
+{
+	wpa_printf(MSG_DEBUG, "EAP-AKA: %s -> %s",
+		   eap_aka_state_txt(data->state),
+		   eap_aka_state_txt(state));
+	data->state = state;
+}
+
+
+static void * eap_aka_init(struct eap_sm *sm)
+{
+	struct eap_aka_data *data;
+
+	if (sm->eap_sim_db_priv == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: eap_sim_db not configured");
+		return NULL;
+	}
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+
+	data->eap_method = EAP_TYPE_AKA;
+
+	data->state = IDENTITY;
+	eap_aka_determine_identity(sm, data, 1, 0);
+	data->pending_id = -1;
+
+	return data;
+}
+
+
+#ifdef EAP_SERVER_AKA_PRIME
+static void * eap_aka_prime_init(struct eap_sm *sm)
+{
+	struct eap_aka_data *data;
+	/* TODO: make ANID configurable; see 3GPP TS 24.302 */
+	char *network_name = "WLAN";
+
+	if (sm->eap_sim_db_priv == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: eap_sim_db not configured");
+		return NULL;
+	}
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+
+	data->eap_method = EAP_TYPE_AKA_PRIME;
+	data->network_name = os_malloc(os_strlen(network_name));
+	if (data->network_name == NULL) {
+		os_free(data);
+		return NULL;
+	}
+
+	data->network_name_len = os_strlen(network_name);
+	os_memcpy(data->network_name, network_name, data->network_name_len);
+
+	data->state = IDENTITY;
+	eap_aka_determine_identity(sm, data, 1, 0);
+	data->pending_id = -1;
+
+	return data;
+}
+#endif /* EAP_SERVER_AKA_PRIME */
+
+
+static void eap_aka_reset(struct eap_sm *sm, void *priv)
+{
+	struct eap_aka_data *data = priv;
+	os_free(data->next_pseudonym);
+	os_free(data->next_reauth_id);
+	wpabuf_free(data->id_msgs);
+	os_free(data->network_name);
+	os_free(data);
+}
+
+
+static int eap_aka_add_id_msg(struct eap_aka_data *data,
+			      const struct wpabuf *msg)
+{
+	if (msg == NULL)
+		return -1;
+
+	if (data->id_msgs == NULL) {
+		data->id_msgs = wpabuf_dup(msg);
+		return data->id_msgs == NULL ? -1 : 0;
+	}
+
+	if (wpabuf_resize(&data->id_msgs, wpabuf_len(msg)) < 0)
+		return -1;
+	wpabuf_put_buf(data->id_msgs, msg);
+
+	return 0;
+}
+
+
+static void eap_aka_add_checkcode(struct eap_aka_data *data,
+				  struct eap_sim_msg *msg)
+{
+	const u8 *addr;
+	size_t len;
+	u8 hash[SHA256_MAC_LEN];
+
+	wpa_printf(MSG_DEBUG, "   AT_CHECKCODE");
+
+	if (data->id_msgs == NULL) {
+		/*
+		 * No EAP-AKA/Identity packets were exchanged - send empty
+		 * checkcode.
+		 */
+		eap_sim_msg_add(msg, EAP_SIM_AT_CHECKCODE, 0, NULL, 0);
+		return;
+	}
+
+	/* Checkcode is SHA1 hash over all EAP-AKA/Identity packets. */
+	addr = wpabuf_head(data->id_msgs);
+	len = wpabuf_len(data->id_msgs);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-AKA: AT_CHECKCODE data", addr, len);
+	if (data->eap_method == EAP_TYPE_AKA_PRIME)
+		sha256_vector(1, &addr, &len, hash);
+	else
+		sha1_vector(1, &addr, &len, hash);
+
+	eap_sim_msg_add(msg, EAP_SIM_AT_CHECKCODE, 0, hash,
+			data->eap_method == EAP_TYPE_AKA_PRIME ?
+			EAP_AKA_PRIME_CHECKCODE_LEN : EAP_AKA_CHECKCODE_LEN);
+}
+
+
+static int eap_aka_verify_checkcode(struct eap_aka_data *data,
+				    const u8 *checkcode, size_t checkcode_len)
+{
+	const u8 *addr;
+	size_t len;
+	u8 hash[SHA256_MAC_LEN];
+	size_t hash_len;
+
+	if (checkcode == NULL)
+		return -1;
+
+	if (data->id_msgs == NULL) {
+		if (checkcode_len != 0) {
+			wpa_printf(MSG_DEBUG, "EAP-AKA: Checkcode from peer "
+				   "indicates that AKA/Identity messages were "
+				   "used, but they were not");
+			return -1;
+		}
+		return 0;
+	}
+
+	hash_len = data->eap_method == EAP_TYPE_AKA_PRIME ?
+		EAP_AKA_PRIME_CHECKCODE_LEN : EAP_AKA_CHECKCODE_LEN;
+
+	if (checkcode_len != hash_len) {
+		wpa_printf(MSG_DEBUG, "EAP-AKA: Checkcode from peer indicates "
+			   "that AKA/Identity message were not used, but they "
+			   "were");
+		return -1;
+	}
+
+	/* Checkcode is SHA1 hash over all EAP-AKA/Identity packets. */
+	addr = wpabuf_head(data->id_msgs);
+	len = wpabuf_len(data->id_msgs);
+	if (data->eap_method == EAP_TYPE_AKA_PRIME)
+		sha256_vector(1, &addr, &len, hash);
+	else
+		sha1_vector(1, &addr, &len, hash);
+
+	if (os_memcmp(hash, checkcode, hash_len) != 0) {
+		wpa_printf(MSG_DEBUG, "EAP-AKA: Mismatch in AT_CHECKCODE");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static struct wpabuf * eap_aka_build_identity(struct eap_sm *sm,
+					      struct eap_aka_data *data, u8 id)
+{
+	struct eap_sim_msg *msg;
+	struct wpabuf *buf;
+
+	wpa_printf(MSG_DEBUG, "EAP-AKA: Generating Identity");
+	msg = eap_sim_msg_init(EAP_CODE_REQUEST, id, data->eap_method,
+			       EAP_AKA_SUBTYPE_IDENTITY);
+	if (eap_sim_db_identity_known(sm->eap_sim_db_priv, sm->identity,
+				      sm->identity_len)) {
+		wpa_printf(MSG_DEBUG, "   AT_PERMANENT_ID_REQ");
+		eap_sim_msg_add(msg, EAP_SIM_AT_PERMANENT_ID_REQ, 0, NULL, 0);
+	} else {
+		/*
+		 * RFC 4187, Chap. 4.1.4 recommends that identity from EAP is
+		 * ignored and the AKA/Identity is used to request the
+		 * identity.
+		 */
+		wpa_printf(MSG_DEBUG, "   AT_ANY_ID_REQ");
+		eap_sim_msg_add(msg, EAP_SIM_AT_ANY_ID_REQ, 0, NULL, 0);
+	}
+	buf = eap_sim_msg_finish(msg, NULL, NULL, 0);
+	if (eap_aka_add_id_msg(data, buf) < 0) {
+		wpabuf_free(buf);
+		return NULL;
+	}
+	data->pending_id = id;
+	return buf;
+}
+
+
+static int eap_aka_build_encr(struct eap_sm *sm, struct eap_aka_data *data,
+			      struct eap_sim_msg *msg, u16 counter,
+			      const u8 *nonce_s)
+{
+	os_free(data->next_pseudonym);
+	data->next_pseudonym =
+		eap_sim_db_get_next_pseudonym(sm->eap_sim_db_priv, 1);
+	os_free(data->next_reauth_id);
+	if (data->counter <= EAP_AKA_MAX_FAST_REAUTHS) {
+		data->next_reauth_id =
+			eap_sim_db_get_next_reauth_id(sm->eap_sim_db_priv, 1);
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-AKA: Max fast re-authentication "
+			   "count exceeded - force full authentication");
+		data->next_reauth_id = NULL;
+	}
+
+	if (data->next_pseudonym == NULL && data->next_reauth_id == NULL &&
+	    counter == 0 && nonce_s == NULL)
+		return 0;
+
+	wpa_printf(MSG_DEBUG, "   AT_IV");
+	wpa_printf(MSG_DEBUG, "   AT_ENCR_DATA");
+	eap_sim_msg_add_encr_start(msg, EAP_SIM_AT_IV, EAP_SIM_AT_ENCR_DATA);
+
+	if (counter > 0) {
+		wpa_printf(MSG_DEBUG, "   *AT_COUNTER (%u)", counter);
+		eap_sim_msg_add(msg, EAP_SIM_AT_COUNTER, counter, NULL, 0);
+	}
+
+	if (nonce_s) {
+		wpa_printf(MSG_DEBUG, "   *AT_NONCE_S");
+		eap_sim_msg_add(msg, EAP_SIM_AT_NONCE_S, 0, nonce_s,
+				EAP_SIM_NONCE_S_LEN);
+	}
+
+	if (data->next_pseudonym) {
+		wpa_printf(MSG_DEBUG, "   *AT_NEXT_PSEUDONYM (%s)",
+			   data->next_pseudonym);
+		eap_sim_msg_add(msg, EAP_SIM_AT_NEXT_PSEUDONYM,
+				os_strlen(data->next_pseudonym),
+				(u8 *) data->next_pseudonym,
+				os_strlen(data->next_pseudonym));
+	}
+
+	if (data->next_reauth_id) {
+		wpa_printf(MSG_DEBUG, "   *AT_NEXT_REAUTH_ID (%s)",
+			   data->next_reauth_id);
+		eap_sim_msg_add(msg, EAP_SIM_AT_NEXT_REAUTH_ID,
+				os_strlen(data->next_reauth_id),
+				(u8 *) data->next_reauth_id,
+				os_strlen(data->next_reauth_id));
+	}
+
+	if (eap_sim_msg_add_encr_end(msg, data->k_encr, EAP_SIM_AT_PADDING)) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Failed to encrypt "
+			   "AT_ENCR_DATA");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static struct wpabuf * eap_aka_build_challenge(struct eap_sm *sm,
+					       struct eap_aka_data *data,
+					       u8 id)
+{
+	struct eap_sim_msg *msg;
+
+	wpa_printf(MSG_DEBUG, "EAP-AKA: Generating Challenge");
+	msg = eap_sim_msg_init(EAP_CODE_REQUEST, id, data->eap_method,
+			       EAP_AKA_SUBTYPE_CHALLENGE);
+	wpa_printf(MSG_DEBUG, "   AT_RAND");
+	eap_sim_msg_add(msg, EAP_SIM_AT_RAND, 0, data->rand, EAP_AKA_RAND_LEN);
+	wpa_printf(MSG_DEBUG, "   AT_AUTN");
+	eap_sim_msg_add(msg, EAP_SIM_AT_AUTN, 0, data->autn, EAP_AKA_AUTN_LEN);
+	if (data->eap_method == EAP_TYPE_AKA_PRIME) {
+		if (data->kdf) {
+			/* Add the selected KDF into the beginning */
+			wpa_printf(MSG_DEBUG, "   AT_KDF");
+			eap_sim_msg_add(msg, EAP_SIM_AT_KDF, data->kdf,
+					NULL, 0);
+		}
+		wpa_printf(MSG_DEBUG, "   AT_KDF");
+		eap_sim_msg_add(msg, EAP_SIM_AT_KDF, EAP_AKA_PRIME_KDF,
+				NULL, 0);
+		wpa_printf(MSG_DEBUG, "   AT_KDF_INPUT");
+		eap_sim_msg_add(msg, EAP_SIM_AT_KDF_INPUT,
+				data->network_name_len,
+				data->network_name, data->network_name_len);
+	}
+
+	if (eap_aka_build_encr(sm, data, msg, 0, NULL)) {
+		eap_sim_msg_free(msg);
+		return NULL;
+	}
+
+	eap_aka_add_checkcode(data, msg);
+
+	if (sm->eap_sim_aka_result_ind) {
+		wpa_printf(MSG_DEBUG, "   AT_RESULT_IND");
+		eap_sim_msg_add(msg, EAP_SIM_AT_RESULT_IND, 0, NULL, 0);
+	}
+
+#ifdef EAP_SERVER_AKA_PRIME
+	if (data->eap_method == EAP_TYPE_AKA) {
+		u16 flags = 0;
+		int i;
+		int aka_prime_preferred = 0;
+
+		i = 0;
+		while (sm->user && i < EAP_MAX_METHODS &&
+		       (sm->user->methods[i].vendor != EAP_VENDOR_IETF ||
+			sm->user->methods[i].method != EAP_TYPE_NONE)) {
+			if (sm->user->methods[i].vendor == EAP_VENDOR_IETF) {
+				if (sm->user->methods[i].method ==
+				    EAP_TYPE_AKA)
+					break;
+				if (sm->user->methods[i].method ==
+				    EAP_TYPE_AKA_PRIME) {
+					aka_prime_preferred = 1;
+					break;
+				}
+			}
+			i++;
+		}
+
+		if (aka_prime_preferred)
+			flags |= EAP_AKA_BIDDING_FLAG_D;
+		eap_sim_msg_add(msg, EAP_SIM_AT_BIDDING, flags, NULL, 0);
+	}
+#endif /* EAP_SERVER_AKA_PRIME */
+
+	wpa_printf(MSG_DEBUG, "   AT_MAC");
+	eap_sim_msg_add_mac(msg, EAP_SIM_AT_MAC);
+	return eap_sim_msg_finish(msg, data->k_aut, NULL, 0);
+}
+
+
+static struct wpabuf * eap_aka_build_reauth(struct eap_sm *sm,
+					    struct eap_aka_data *data, u8 id)
+{
+	struct eap_sim_msg *msg;
+
+	wpa_printf(MSG_DEBUG, "EAP-AKA: Generating Re-authentication");
+
+	if (random_get_bytes(data->nonce_s, EAP_SIM_NONCE_S_LEN))
+		return NULL;
+	wpa_hexdump_key(MSG_MSGDUMP, "EAP-AKA: NONCE_S",
+			data->nonce_s, EAP_SIM_NONCE_S_LEN);
+
+	if (data->eap_method == EAP_TYPE_AKA_PRIME) {
+		eap_aka_prime_derive_keys_reauth(data->k_re, data->counter,
+						 sm->identity,
+						 sm->identity_len,
+						 data->nonce_s,
+						 data->msk, data->emsk);
+	} else {
+		eap_sim_derive_keys(data->mk, data->k_encr, data->k_aut,
+				    data->msk, data->emsk);
+		eap_sim_derive_keys_reauth(data->counter, sm->identity,
+					   sm->identity_len, data->nonce_s,
+					   data->mk, data->msk, data->emsk);
+	}
+
+	msg = eap_sim_msg_init(EAP_CODE_REQUEST, id, data->eap_method,
+			       EAP_AKA_SUBTYPE_REAUTHENTICATION);
+
+	if (eap_aka_build_encr(sm, data, msg, data->counter, data->nonce_s)) {
+		eap_sim_msg_free(msg);
+		return NULL;
+	}
+
+	eap_aka_add_checkcode(data, msg);
+
+	if (sm->eap_sim_aka_result_ind) {
+		wpa_printf(MSG_DEBUG, "   AT_RESULT_IND");
+		eap_sim_msg_add(msg, EAP_SIM_AT_RESULT_IND, 0, NULL, 0);
+	}
+
+	wpa_printf(MSG_DEBUG, "   AT_MAC");
+	eap_sim_msg_add_mac(msg, EAP_SIM_AT_MAC);
+	return eap_sim_msg_finish(msg, data->k_aut, NULL, 0);
+}
+
+
+static struct wpabuf * eap_aka_build_notification(struct eap_sm *sm,
+						  struct eap_aka_data *data,
+						  u8 id)
+{
+	struct eap_sim_msg *msg;
+
+	wpa_printf(MSG_DEBUG, "EAP-AKA: Generating Notification");
+	msg = eap_sim_msg_init(EAP_CODE_REQUEST, id, data->eap_method,
+			       EAP_AKA_SUBTYPE_NOTIFICATION);
+	wpa_printf(MSG_DEBUG, "   AT_NOTIFICATION (%d)", data->notification);
+	eap_sim_msg_add(msg, EAP_SIM_AT_NOTIFICATION, data->notification,
+			NULL, 0);
+	if (data->use_result_ind) {
+		if (data->reauth) {
+			wpa_printf(MSG_DEBUG, "   AT_IV");
+			wpa_printf(MSG_DEBUG, "   AT_ENCR_DATA");
+			eap_sim_msg_add_encr_start(msg, EAP_SIM_AT_IV,
+						   EAP_SIM_AT_ENCR_DATA);
+			wpa_printf(MSG_DEBUG, "   *AT_COUNTER (%u)",
+				   data->counter);
+			eap_sim_msg_add(msg, EAP_SIM_AT_COUNTER, data->counter,
+					NULL, 0);
+
+			if (eap_sim_msg_add_encr_end(msg, data->k_encr,
+						     EAP_SIM_AT_PADDING)) {
+				wpa_printf(MSG_WARNING, "EAP-AKA: Failed to "
+					   "encrypt AT_ENCR_DATA");
+				eap_sim_msg_free(msg);
+				return NULL;
+			}
+		}
+
+		wpa_printf(MSG_DEBUG, "   AT_MAC");
+		eap_sim_msg_add_mac(msg, EAP_SIM_AT_MAC);
+	}
+	return eap_sim_msg_finish(msg, data->k_aut, NULL, 0);
+}
+
+
+static struct wpabuf * eap_aka_buildReq(struct eap_sm *sm, void *priv, u8 id)
+{
+	struct eap_aka_data *data = priv;
+
+	data->auts_reported = 0;
+	switch (data->state) {
+	case IDENTITY:
+		return eap_aka_build_identity(sm, data, id);
+	case CHALLENGE:
+		return eap_aka_build_challenge(sm, data, id);
+	case REAUTH:
+		return eap_aka_build_reauth(sm, data, id);
+	case NOTIFICATION:
+		return eap_aka_build_notification(sm, data, id);
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-AKA: Unknown state %d in "
+			   "buildReq", data->state);
+		break;
+	}
+	return NULL;
+}
+
+
+static Boolean eap_aka_check(struct eap_sm *sm, void *priv,
+			     struct wpabuf *respData)
+{
+	struct eap_aka_data *data = priv;
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, data->eap_method, respData,
+			       &len);
+	if (pos == NULL || len < 3) {
+		wpa_printf(MSG_INFO, "EAP-AKA: Invalid frame");
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+static Boolean eap_aka_subtype_ok(struct eap_aka_data *data, u8 subtype)
+{
+	if (subtype == EAP_AKA_SUBTYPE_CLIENT_ERROR ||
+	    subtype == EAP_AKA_SUBTYPE_AUTHENTICATION_REJECT)
+		return FALSE;
+
+	switch (data->state) {
+	case IDENTITY:
+		if (subtype != EAP_AKA_SUBTYPE_IDENTITY) {
+			wpa_printf(MSG_INFO, "EAP-AKA: Unexpected response "
+				   "subtype %d", subtype);
+			return TRUE;
+		}
+		break;
+	case CHALLENGE:
+		if (subtype != EAP_AKA_SUBTYPE_CHALLENGE &&
+		    subtype != EAP_AKA_SUBTYPE_SYNCHRONIZATION_FAILURE) {
+			wpa_printf(MSG_INFO, "EAP-AKA: Unexpected response "
+				   "subtype %d", subtype);
+			return TRUE;
+		}
+		break;
+	case REAUTH:
+		if (subtype != EAP_AKA_SUBTYPE_REAUTHENTICATION) {
+			wpa_printf(MSG_INFO, "EAP-AKA: Unexpected response "
+				   "subtype %d", subtype);
+			return TRUE;
+		}
+		break;
+	case NOTIFICATION:
+		if (subtype != EAP_AKA_SUBTYPE_NOTIFICATION) {
+			wpa_printf(MSG_INFO, "EAP-AKA: Unexpected response "
+				   "subtype %d", subtype);
+			return TRUE;
+		}
+		break;
+	default:
+		wpa_printf(MSG_INFO, "EAP-AKA: Unexpected state (%d) for "
+			   "processing a response", data->state);
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+static void eap_aka_determine_identity(struct eap_sm *sm,
+				       struct eap_aka_data *data,
+				       int before_identity, int after_reauth)
+{
+	const u8 *identity;
+	size_t identity_len;
+	int res;
+
+	identity = NULL;
+	identity_len = 0;
+
+	if (after_reauth && data->reauth) {
+		identity = data->reauth->identity;
+		identity_len = data->reauth->identity_len;
+	} else if (sm->identity && sm->identity_len > 0 &&
+		   sm->identity[0] == EAP_AKA_PERMANENT_PREFIX) {
+		identity = sm->identity;
+		identity_len = sm->identity_len;
+	} else {
+		identity = eap_sim_db_get_permanent(sm->eap_sim_db_priv,
+						    sm->identity,
+						    sm->identity_len,
+						    &identity_len);
+		if (identity == NULL) {
+			data->reauth = eap_sim_db_get_reauth_entry(
+				sm->eap_sim_db_priv, sm->identity,
+				sm->identity_len);
+			if (data->reauth &&
+			    data->reauth->aka_prime !=
+			    (data->eap_method == EAP_TYPE_AKA_PRIME)) {
+				wpa_printf(MSG_DEBUG, "EAP-AKA: Reauth data "
+					   "was for different AKA version");
+				data->reauth = NULL;
+			}
+			if (data->reauth) {
+				wpa_printf(MSG_DEBUG, "EAP-AKA: Using fast "
+					   "re-authentication");
+				identity = data->reauth->identity;
+				identity_len = data->reauth->identity_len;
+				data->counter = data->reauth->counter;
+				if (data->eap_method == EAP_TYPE_AKA_PRIME) {
+					os_memcpy(data->k_encr,
+						  data->reauth->k_encr,
+						  EAP_SIM_K_ENCR_LEN);
+					os_memcpy(data->k_aut,
+						  data->reauth->k_aut,
+						  EAP_AKA_PRIME_K_AUT_LEN);
+					os_memcpy(data->k_re,
+						  data->reauth->k_re,
+						  EAP_AKA_PRIME_K_RE_LEN);
+				} else {
+					os_memcpy(data->mk, data->reauth->mk,
+						  EAP_SIM_MK_LEN);
+				}
+			}
+		}
+	}
+
+	if (identity == NULL ||
+	    eap_sim_db_identity_known(sm->eap_sim_db_priv, sm->identity,
+				      sm->identity_len) < 0) {
+		if (before_identity) {
+			wpa_printf(MSG_DEBUG, "EAP-AKA: Permanent user name "
+				   "not known - send AKA-Identity request");
+			eap_aka_state(data, IDENTITY);
+			return;
+		} else {
+			wpa_printf(MSG_DEBUG, "EAP-AKA: Unknown whether the "
+				   "permanent user name is known; try to use "
+				   "it");
+			/* eap_sim_db_get_aka_auth() will report failure, if
+			 * this identity is not known. */
+		}
+	}
+
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-AKA: Identity",
+			  identity, identity_len);
+
+	if (!after_reauth && data->reauth) {
+		eap_aka_state(data, REAUTH);
+		return;
+	}
+
+	res = eap_sim_db_get_aka_auth(sm->eap_sim_db_priv, identity,
+				      identity_len, data->rand, data->autn,
+				      data->ik, data->ck, data->res,
+				      &data->res_len, sm);
+	if (res == EAP_SIM_DB_PENDING) {
+		wpa_printf(MSG_DEBUG, "EAP-AKA: AKA authentication data "
+			   "not yet available - pending request");
+		sm->method_pending = METHOD_PENDING_WAIT;
+		return;
+	}
+
+#ifdef EAP_SERVER_AKA_PRIME
+	if (data->eap_method == EAP_TYPE_AKA_PRIME) {
+		/* Note: AUTN = (SQN ^ AK) || AMF || MAC which gives us the
+		 * needed 6-octet SQN ^AK for CK',IK' derivation */
+		eap_aka_prime_derive_ck_ik_prime(data->ck, data->ik,
+						 data->autn,
+						 data->network_name,
+						 data->network_name_len);
+	}
+#endif /* EAP_SERVER_AKA_PRIME */
+
+	data->reauth = NULL;
+	data->counter = 0; /* reset re-auth counter since this is full auth */
+
+	if (res != 0) {
+		wpa_printf(MSG_INFO, "EAP-AKA: Failed to get AKA "
+			   "authentication data for the peer");
+		data->notification = EAP_SIM_GENERAL_FAILURE_BEFORE_AUTH;
+		eap_aka_state(data, NOTIFICATION);
+		return;
+	}
+	if (sm->method_pending == METHOD_PENDING_WAIT) {
+		wpa_printf(MSG_DEBUG, "EAP-AKA: AKA authentication data "
+			   "available - abort pending wait");
+		sm->method_pending = METHOD_PENDING_NONE;
+	}
+
+	identity_len = sm->identity_len;
+	while (identity_len > 0 && sm->identity[identity_len - 1] == '\0') {
+		wpa_printf(MSG_DEBUG, "EAP-AKA: Workaround - drop last null "
+			   "character from identity");
+		identity_len--;
+	}
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-AKA: Identity for MK derivation",
+			  sm->identity, identity_len);
+
+	if (data->eap_method == EAP_TYPE_AKA_PRIME) {
+		eap_aka_prime_derive_keys(identity, identity_len, data->ik,
+					  data->ck, data->k_encr, data->k_aut,
+					  data->k_re, data->msk, data->emsk);
+	} else {
+		eap_aka_derive_mk(sm->identity, identity_len, data->ik,
+				  data->ck, data->mk);
+		eap_sim_derive_keys(data->mk, data->k_encr, data->k_aut,
+				    data->msk, data->emsk);
+	}
+
+	eap_aka_state(data, CHALLENGE);
+}
+
+
+static void eap_aka_process_identity(struct eap_sm *sm,
+				     struct eap_aka_data *data,
+				     struct wpabuf *respData,
+				     struct eap_sim_attrs *attr)
+{
+	wpa_printf(MSG_DEBUG, "EAP-AKA: Processing Identity");
+
+	if (attr->mac || attr->iv || attr->encr_data) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Unexpected attribute "
+			   "received in EAP-Response/AKA-Identity");
+		data->notification = EAP_SIM_GENERAL_FAILURE_BEFORE_AUTH;
+		eap_aka_state(data, NOTIFICATION);
+		return;
+	}
+
+	if (attr->identity) {
+		os_free(sm->identity);
+		sm->identity = os_malloc(attr->identity_len);
+		if (sm->identity) {
+			os_memcpy(sm->identity, attr->identity,
+				  attr->identity_len);
+			sm->identity_len = attr->identity_len;
+		}
+	}
+
+	eap_aka_determine_identity(sm, data, 0, 0);
+	if (eap_get_id(respData) == data->pending_id) {
+		data->pending_id = -1;
+		eap_aka_add_id_msg(data, respData);
+	}
+}
+
+
+static int eap_aka_verify_mac(struct eap_aka_data *data,
+			      const struct wpabuf *req,
+			      const u8 *mac, const u8 *extra,
+			      size_t extra_len)
+{
+	if (data->eap_method == EAP_TYPE_AKA_PRIME)
+		return eap_sim_verify_mac_sha256(data->k_aut, req, mac, extra,
+						 extra_len);
+	return eap_sim_verify_mac(data->k_aut, req, mac, extra, extra_len);
+}
+
+
+static void eap_aka_process_challenge(struct eap_sm *sm,
+				      struct eap_aka_data *data,
+				      struct wpabuf *respData,
+				      struct eap_sim_attrs *attr)
+{
+	const u8 *identity;
+	size_t identity_len;
+
+	wpa_printf(MSG_DEBUG, "EAP-AKA: Processing Challenge");
+
+#ifdef EAP_SERVER_AKA_PRIME
+#if 0
+	/* KDF negotiation; to be enabled only after more than one KDF is
+	 * supported */
+	if (data->eap_method == EAP_TYPE_AKA_PRIME &&
+	    attr->kdf_count == 1 && attr->mac == NULL) {
+		if (attr->kdf[0] != EAP_AKA_PRIME_KDF) {
+			wpa_printf(MSG_WARNING, "EAP-AKA': Peer selected "
+				   "unknown KDF");
+			data->notification =
+				EAP_SIM_GENERAL_FAILURE_BEFORE_AUTH;
+			eap_aka_state(data, NOTIFICATION);
+			return;
+		}
+
+		data->kdf = attr->kdf[0];
+
+		/* Allow negotiation to continue with the selected KDF by
+		 * sending another Challenge message */
+		wpa_printf(MSG_DEBUG, "EAP-AKA': KDF %d selected", data->kdf);
+		return;
+	}
+#endif
+#endif /* EAP_SERVER_AKA_PRIME */
+
+	if (attr->checkcode &&
+	    eap_aka_verify_checkcode(data, attr->checkcode,
+				     attr->checkcode_len)) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Invalid AT_CHECKCODE in the "
+			   "message");
+		data->notification = EAP_SIM_GENERAL_FAILURE_BEFORE_AUTH;
+		eap_aka_state(data, NOTIFICATION);
+		return;
+	}
+	if (attr->mac == NULL ||
+	    eap_aka_verify_mac(data, respData, attr->mac, NULL, 0)) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Challenge message "
+			   "did not include valid AT_MAC");
+		data->notification = EAP_SIM_GENERAL_FAILURE_BEFORE_AUTH;
+		eap_aka_state(data, NOTIFICATION);
+		return;
+	}
+
+	/*
+	 * AT_RES is padded, so verify that there is enough room for RES and
+	 * that the RES length in bits matches with the expected RES.
+	 */
+	if (attr->res == NULL || attr->res_len < data->res_len ||
+	    attr->res_len_bits != data->res_len * 8 ||
+	    os_memcmp(attr->res, data->res, data->res_len) != 0) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Challenge message did not "
+			   "include valid AT_RES (attr len=%lu, res len=%lu "
+			   "bits, expected %lu bits)",
+			   (unsigned long) attr->res_len,
+			   (unsigned long) attr->res_len_bits,
+			   (unsigned long) data->res_len * 8);
+		data->notification = EAP_SIM_GENERAL_FAILURE_BEFORE_AUTH;
+		eap_aka_state(data, NOTIFICATION);
+		return;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-AKA: Challenge response includes the "
+		   "correct AT_MAC");
+	if (sm->eap_sim_aka_result_ind && attr->result_ind) {
+		data->use_result_ind = 1;
+		data->notification = EAP_SIM_SUCCESS;
+		eap_aka_state(data, NOTIFICATION);
+	} else
+		eap_aka_state(data, SUCCESS);
+
+	identity = eap_sim_db_get_permanent(sm->eap_sim_db_priv, sm->identity,
+					    sm->identity_len, &identity_len);
+	if (identity == NULL) {
+		identity = sm->identity;
+		identity_len = sm->identity_len;
+	}
+
+	if (data->next_pseudonym) {
+		eap_sim_db_add_pseudonym(sm->eap_sim_db_priv, identity,
+					 identity_len,
+					 data->next_pseudonym);
+		data->next_pseudonym = NULL;
+	}
+	if (data->next_reauth_id) {
+		if (data->eap_method == EAP_TYPE_AKA_PRIME) {
+#ifdef EAP_SERVER_AKA_PRIME
+			eap_sim_db_add_reauth_prime(sm->eap_sim_db_priv,
+						    identity,
+						    identity_len,
+						    data->next_reauth_id,
+						    data->counter + 1,
+						    data->k_encr, data->k_aut,
+						    data->k_re);
+#endif /* EAP_SERVER_AKA_PRIME */
+		} else {
+			eap_sim_db_add_reauth(sm->eap_sim_db_priv, identity,
+					      identity_len,
+					      data->next_reauth_id,
+					      data->counter + 1,
+					      data->mk);
+		}
+		data->next_reauth_id = NULL;
+	}
+}
+
+
+static void eap_aka_process_sync_failure(struct eap_sm *sm,
+					 struct eap_aka_data *data,
+					 struct wpabuf *respData,
+					 struct eap_sim_attrs *attr)
+{
+	wpa_printf(MSG_DEBUG, "EAP-AKA: Processing Synchronization-Failure");
+
+	if (attr->auts == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Synchronization-Failure "
+			   "message did not include valid AT_AUTS");
+		data->notification = EAP_SIM_GENERAL_FAILURE_BEFORE_AUTH;
+		eap_aka_state(data, NOTIFICATION);
+		return;
+	}
+
+	/* Avoid re-reporting AUTS when processing pending EAP packet by
+	 * maintaining a local flag stating whether this AUTS has already been
+	 * reported. */
+	if (!data->auts_reported &&
+	    eap_sim_db_resynchronize(sm->eap_sim_db_priv, sm->identity,
+				     sm->identity_len, attr->auts,
+				     data->rand)) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Resynchronization failed");
+		data->notification = EAP_SIM_GENERAL_FAILURE_BEFORE_AUTH;
+		eap_aka_state(data, NOTIFICATION);
+		return;
+	}
+	data->auts_reported = 1;
+
+	/* Try again after resynchronization */
+	eap_aka_determine_identity(sm, data, 0, 0);
+}
+
+
+static void eap_aka_process_reauth(struct eap_sm *sm,
+				   struct eap_aka_data *data,
+				   struct wpabuf *respData,
+				   struct eap_sim_attrs *attr)
+{
+	struct eap_sim_attrs eattr;
+	u8 *decrypted = NULL;
+	const u8 *identity, *id2;
+	size_t identity_len, id2_len;
+
+	wpa_printf(MSG_DEBUG, "EAP-AKA: Processing Reauthentication");
+
+	if (attr->mac == NULL ||
+	    eap_aka_verify_mac(data, respData, attr->mac, data->nonce_s,
+			       EAP_SIM_NONCE_S_LEN)) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Re-authentication message "
+			   "did not include valid AT_MAC");
+		goto fail;
+	}
+
+	if (attr->encr_data == NULL || attr->iv == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Reauthentication "
+			   "message did not include encrypted data");
+		goto fail;
+	}
+
+	decrypted = eap_sim_parse_encr(data->k_encr, attr->encr_data,
+				       attr->encr_data_len, attr->iv, &eattr,
+				       0);
+	if (decrypted == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Failed to parse encrypted "
+			   "data from reauthentication message");
+		goto fail;
+	}
+
+	if (eattr.counter != data->counter) {
+		wpa_printf(MSG_WARNING, "EAP-AKA: Re-authentication message "
+			   "used incorrect counter %u, expected %u",
+			   eattr.counter, data->counter);
+		goto fail;
+	}
+	os_free(decrypted);
+	decrypted = NULL;
+
+	wpa_printf(MSG_DEBUG, "EAP-AKA: Re-authentication response includes "
+		   "the correct AT_MAC");
+
+	if (eattr.counter_too_small) {
+		wpa_printf(MSG_DEBUG, "EAP-AKA: Re-authentication response "
+			   "included AT_COUNTER_TOO_SMALL - starting full "
+			   "authentication");
+		eap_aka_determine_identity(sm, data, 0, 1);
+		return;
+	}
+
+	if (sm->eap_sim_aka_result_ind && attr->result_ind) {
+		data->use_result_ind = 1;
+		data->notification = EAP_SIM_SUCCESS;
+		eap_aka_state(data, NOTIFICATION);
+	} else
+		eap_aka_state(data, SUCCESS);
+
+	if (data->reauth) {
+		identity = data->reauth->identity;
+		identity_len = data->reauth->identity_len;
+	} else {
+		identity = sm->identity;
+		identity_len = sm->identity_len;
+	}
+
+	id2 = eap_sim_db_get_permanent(sm->eap_sim_db_priv, identity,
+				       identity_len, &id2_len);
+	if (id2) {
+		identity = id2;
+		identity_len = id2_len;
+	}
+
+	if (data->next_pseudonym) {
+		eap_sim_db_add_pseudonym(sm->eap_sim_db_priv, identity,
+					 identity_len, data->next_pseudonym);
+		data->next_pseudonym = NULL;
+	}
+	if (data->next_reauth_id) {
+		if (data->eap_method == EAP_TYPE_AKA_PRIME) {
+#ifdef EAP_SERVER_AKA_PRIME
+			eap_sim_db_add_reauth_prime(sm->eap_sim_db_priv,
+						    identity,
+						    identity_len,
+						    data->next_reauth_id,
+						    data->counter + 1,
+						    data->k_encr, data->k_aut,
+						    data->k_re);
+#endif /* EAP_SERVER_AKA_PRIME */
+		} else {
+			eap_sim_db_add_reauth(sm->eap_sim_db_priv, identity,
+					      identity_len,
+					      data->next_reauth_id,
+					      data->counter + 1,
+					      data->mk);
+		}
+		data->next_reauth_id = NULL;
+	} else {
+		eap_sim_db_remove_reauth(sm->eap_sim_db_priv, data->reauth);
+		data->reauth = NULL;
+	}
+
+	return;
+
+fail:
+	data->notification = EAP_SIM_GENERAL_FAILURE_BEFORE_AUTH;
+	eap_aka_state(data, NOTIFICATION);
+	eap_sim_db_remove_reauth(sm->eap_sim_db_priv, data->reauth);
+	data->reauth = NULL;
+	os_free(decrypted);
+}
+
+
+static void eap_aka_process_client_error(struct eap_sm *sm,
+					 struct eap_aka_data *data,
+					 struct wpabuf *respData,
+					 struct eap_sim_attrs *attr)
+{
+	wpa_printf(MSG_DEBUG, "EAP-AKA: Client reported error %d",
+		   attr->client_error_code);
+	if (data->notification == EAP_SIM_SUCCESS && data->use_result_ind)
+		eap_aka_state(data, SUCCESS);
+	else
+		eap_aka_state(data, FAILURE);
+}
+
+
+static void eap_aka_process_authentication_reject(
+	struct eap_sm *sm, struct eap_aka_data *data,
+	struct wpabuf *respData, struct eap_sim_attrs *attr)
+{
+	wpa_printf(MSG_DEBUG, "EAP-AKA: Client rejected authentication");
+	eap_aka_state(data, FAILURE);
+}
+
+
+static void eap_aka_process_notification(struct eap_sm *sm,
+					 struct eap_aka_data *data,
+					 struct wpabuf *respData,
+					 struct eap_sim_attrs *attr)
+{
+	wpa_printf(MSG_DEBUG, "EAP-AKA: Client replied to notification");
+	if (data->notification == EAP_SIM_SUCCESS && data->use_result_ind)
+		eap_aka_state(data, SUCCESS);
+	else
+		eap_aka_state(data, FAILURE);
+}
+
+
+static void eap_aka_process(struct eap_sm *sm, void *priv,
+			    struct wpabuf *respData)
+{
+	struct eap_aka_data *data = priv;
+	const u8 *pos, *end;
+	u8 subtype;
+	size_t len;
+	struct eap_sim_attrs attr;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, data->eap_method, respData,
+			       &len);
+	if (pos == NULL || len < 3)
+		return;
+
+	end = pos + len;
+	subtype = *pos;
+	pos += 3;
+
+	if (eap_aka_subtype_ok(data, subtype)) {
+		wpa_printf(MSG_DEBUG, "EAP-AKA: Unrecognized or unexpected "
+			   "EAP-AKA Subtype in EAP Response");
+		data->notification = EAP_SIM_GENERAL_FAILURE_BEFORE_AUTH;
+		eap_aka_state(data, NOTIFICATION);
+		return;
+	}
+
+	if (eap_sim_parse_attr(pos, end, &attr,
+			       data->eap_method == EAP_TYPE_AKA_PRIME ? 2 : 1,
+			       0)) {
+		wpa_printf(MSG_DEBUG, "EAP-AKA: Failed to parse attributes");
+		data->notification = EAP_SIM_GENERAL_FAILURE_BEFORE_AUTH;
+		eap_aka_state(data, NOTIFICATION);
+		return;
+	}
+
+	if (subtype == EAP_AKA_SUBTYPE_CLIENT_ERROR) {
+		eap_aka_process_client_error(sm, data, respData, &attr);
+		return;
+	}
+
+	if (subtype == EAP_AKA_SUBTYPE_AUTHENTICATION_REJECT) {
+		eap_aka_process_authentication_reject(sm, data, respData,
+						      &attr);
+		return;
+	}
+
+	switch (data->state) {
+	case IDENTITY:
+		eap_aka_process_identity(sm, data, respData, &attr);
+		break;
+	case CHALLENGE:
+		if (subtype == EAP_AKA_SUBTYPE_SYNCHRONIZATION_FAILURE) {
+			eap_aka_process_sync_failure(sm, data, respData,
+						     &attr);
+		} else {
+			eap_aka_process_challenge(sm, data, respData, &attr);
+		}
+		break;
+	case REAUTH:
+		eap_aka_process_reauth(sm, data, respData, &attr);
+		break;
+	case NOTIFICATION:
+		eap_aka_process_notification(sm, data, respData, &attr);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-AKA: Unknown state %d in "
+			   "process", data->state);
+		break;
+	}
+}
+
+
+static Boolean eap_aka_isDone(struct eap_sm *sm, void *priv)
+{
+	struct eap_aka_data *data = priv;
+	return data->state == SUCCESS || data->state == FAILURE;
+}
+
+
+static u8 * eap_aka_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_aka_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_SIM_KEYING_DATA_LEN);
+	if (key == NULL)
+		return NULL;
+	os_memcpy(key, data->msk, EAP_SIM_KEYING_DATA_LEN);
+	*len = EAP_SIM_KEYING_DATA_LEN;
+	return key;
+}
+
+
+static u8 * eap_aka_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_aka_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_EMSK_LEN);
+	if (key == NULL)
+		return NULL;
+	os_memcpy(key, data->emsk, EAP_EMSK_LEN);
+	*len = EAP_EMSK_LEN;
+	return key;
+}
+
+
+static Boolean eap_aka_isSuccess(struct eap_sm *sm, void *priv)
+{
+	struct eap_aka_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+int eap_server_aka_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_IETF, EAP_TYPE_AKA, "AKA");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_aka_init;
+	eap->reset = eap_aka_reset;
+	eap->buildReq = eap_aka_buildReq;
+	eap->check = eap_aka_check;
+	eap->process = eap_aka_process;
+	eap->isDone = eap_aka_isDone;
+	eap->getKey = eap_aka_getKey;
+	eap->isSuccess = eap_aka_isSuccess;
+	eap->get_emsk = eap_aka_get_emsk;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
+
+
+#ifdef EAP_SERVER_AKA_PRIME
+int eap_server_aka_prime_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME,
+				      "AKA'");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_aka_prime_init;
+	eap->reset = eap_aka_reset;
+	eap->buildReq = eap_aka_buildReq;
+	eap->check = eap_aka_check;
+	eap->process = eap_aka_process;
+	eap->isDone = eap_aka_isDone;
+	eap->getKey = eap_aka_getKey;
+	eap->isSuccess = eap_aka_isSuccess;
+	eap->get_emsk = eap_aka_get_emsk;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+
+	return ret;
+}
+#endif /* EAP_SERVER_AKA_PRIME */
diff --git a/src/eap_server/eap_server_fast.c b/src/eap_server/eap_server_fast.c
new file mode 100644
index 0000000..ba17e98
--- /dev/null
+++ b/src/eap_server/eap_server_fast.c
@@ -0,0 +1,1620 @@
+/*
+ * EAP-FAST server (RFC 4851)
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/aes_wrap.h"
+#include "crypto/sha1.h"
+#include "crypto/tls.h"
+#include "crypto/random.h"
+#include "eap_common/eap_tlv_common.h"
+#include "eap_common/eap_fast_common.h"
+#include "eap_i.h"
+#include "eap_tls_common.h"
+
+
+static void eap_fast_reset(struct eap_sm *sm, void *priv);
+
+
+/* Private PAC-Opaque TLV types */
+#define PAC_OPAQUE_TYPE_PAD 0
+#define PAC_OPAQUE_TYPE_KEY 1
+#define PAC_OPAQUE_TYPE_LIFETIME 2
+#define PAC_OPAQUE_TYPE_IDENTITY 3
+
+struct eap_fast_data {
+	struct eap_ssl_data ssl;
+	enum {
+		START, PHASE1, PHASE2_START, PHASE2_ID, PHASE2_METHOD,
+		CRYPTO_BINDING, REQUEST_PAC, SUCCESS, FAILURE
+	} state;
+
+	int fast_version;
+	const struct eap_method *phase2_method;
+	void *phase2_priv;
+	int force_version;
+	int peer_version;
+
+	u8 crypto_binding_nonce[32];
+	int final_result;
+
+	struct eap_fast_key_block_provisioning *key_block_p;
+
+	u8 simck[EAP_FAST_SIMCK_LEN];
+	u8 cmk[EAP_FAST_CMK_LEN];
+	int simck_idx;
+
+	u8 pac_opaque_encr[16];
+	u8 *srv_id;
+	size_t srv_id_len;
+	char *srv_id_info;
+
+	int anon_provisioning;
+	int send_new_pac; /* server triggered re-keying of Tunnel PAC */
+	struct wpabuf *pending_phase2_resp;
+	u8 *identity; /* from PAC-Opaque */
+	size_t identity_len;
+	int eap_seq;
+	int tnc_started;
+
+	int pac_key_lifetime;
+	int pac_key_refresh_time;
+};
+
+
+static int eap_fast_process_phase2_start(struct eap_sm *sm,
+					 struct eap_fast_data *data);
+
+
+static const char * eap_fast_state_txt(int state)
+{
+	switch (state) {
+	case START:
+		return "START";
+	case PHASE1:
+		return "PHASE1";
+	case PHASE2_START:
+		return "PHASE2_START";
+	case PHASE2_ID:
+		return "PHASE2_ID";
+	case PHASE2_METHOD:
+		return "PHASE2_METHOD";
+	case CRYPTO_BINDING:
+		return "CRYPTO_BINDING";
+	case REQUEST_PAC:
+		return "REQUEST_PAC";
+	case SUCCESS:
+		return "SUCCESS";
+	case FAILURE:
+		return "FAILURE";
+	default:
+		return "Unknown?!";
+	}
+}
+
+
+static void eap_fast_state(struct eap_fast_data *data, int state)
+{
+	wpa_printf(MSG_DEBUG, "EAP-FAST: %s -> %s",
+		   eap_fast_state_txt(data->state),
+		   eap_fast_state_txt(state));
+	data->state = state;
+}
+
+
+static EapType eap_fast_req_failure(struct eap_sm *sm,
+				    struct eap_fast_data *data)
+{
+	/* TODO: send Result TLV(FAILURE) */
+	eap_fast_state(data, FAILURE);
+	return EAP_TYPE_NONE;
+}
+
+
+static int eap_fast_session_ticket_cb(void *ctx, const u8 *ticket, size_t len,
+				      const u8 *client_random,
+				      const u8 *server_random,
+				      u8 *master_secret)
+{
+	struct eap_fast_data *data = ctx;
+	const u8 *pac_opaque;
+	size_t pac_opaque_len;
+	u8 *buf, *pos, *end, *pac_key = NULL;
+	os_time_t lifetime = 0;
+	struct os_time now;
+	u8 *identity = NULL;
+	size_t identity_len = 0;
+
+	wpa_printf(MSG_DEBUG, "EAP-FAST: SessionTicket callback");
+	wpa_hexdump(MSG_DEBUG, "EAP-FAST: SessionTicket (PAC-Opaque)",
+		    ticket, len);
+
+	if (len < 4 || WPA_GET_BE16(ticket) != PAC_TYPE_PAC_OPAQUE) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Ignore invalid "
+			   "SessionTicket");
+		return 0;
+	}
+
+	pac_opaque_len = WPA_GET_BE16(ticket + 2);
+	pac_opaque = ticket + 4;
+	if (pac_opaque_len < 8 || pac_opaque_len % 8 ||
+	    pac_opaque_len > len - 4) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Ignore invalid PAC-Opaque "
+			   "(len=%lu left=%lu)",
+			   (unsigned long) pac_opaque_len,
+			   (unsigned long) len);
+		return 0;
+	}
+	wpa_hexdump(MSG_DEBUG, "EAP-FAST: Received PAC-Opaque",
+		    pac_opaque, pac_opaque_len);
+
+	buf = os_malloc(pac_opaque_len - 8);
+	if (buf == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Failed to allocate memory "
+			   "for decrypting PAC-Opaque");
+		return 0;
+	}
+
+	if (aes_unwrap(data->pac_opaque_encr, (pac_opaque_len - 8) / 8,
+		       pac_opaque, buf) < 0) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Failed to decrypt "
+			   "PAC-Opaque");
+		os_free(buf);
+		/*
+		 * This may have been caused by server changing the PAC-Opaque
+		 * encryption key, so just ignore this PAC-Opaque instead of
+		 * failing the authentication completely. Provisioning can now
+		 * be used to provision a new PAC.
+		 */
+		return 0;
+	}
+
+	end = buf + pac_opaque_len - 8;
+	wpa_hexdump_key(MSG_DEBUG, "EAP-FAST: Decrypted PAC-Opaque",
+			buf, end - buf);
+
+	pos = buf;
+	while (pos + 1 < end) {
+		if (pos + 2 + pos[1] > end)
+			break;
+
+		switch (*pos) {
+		case PAC_OPAQUE_TYPE_PAD:
+			pos = end;
+			break;
+		case PAC_OPAQUE_TYPE_KEY:
+			if (pos[1] != EAP_FAST_PAC_KEY_LEN) {
+				wpa_printf(MSG_DEBUG, "EAP-FAST: Invalid "
+					   "PAC-Key length %d", pos[1]);
+				os_free(buf);
+				return -1;
+			}
+			pac_key = pos + 2;
+			wpa_hexdump_key(MSG_DEBUG, "EAP-FAST: PAC-Key from "
+					"decrypted PAC-Opaque",
+					pac_key, EAP_FAST_PAC_KEY_LEN);
+			break;
+		case PAC_OPAQUE_TYPE_LIFETIME:
+			if (pos[1] != 4) {
+				wpa_printf(MSG_DEBUG, "EAP-FAST: Invalid "
+					   "PAC-Key lifetime length %d",
+					   pos[1]);
+				os_free(buf);
+				return -1;
+			}
+			lifetime = WPA_GET_BE32(pos + 2);
+			break;
+		case PAC_OPAQUE_TYPE_IDENTITY:
+			identity = pos + 2;
+			identity_len = pos[1];
+			break;
+		}
+
+		pos += 2 + pos[1];
+	}
+
+	if (pac_key == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: No PAC-Key included in "
+			   "PAC-Opaque");
+		os_free(buf);
+		return -1;
+	}
+
+	if (identity) {
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-FAST: Identity from "
+				  "PAC-Opaque", identity, identity_len);
+		os_free(data->identity);
+		data->identity = os_malloc(identity_len);
+		if (data->identity) {
+			os_memcpy(data->identity, identity, identity_len);
+			data->identity_len = identity_len;
+		}
+	}
+
+	if (os_get_time(&now) < 0 || lifetime <= 0 || now.sec > lifetime) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: PAC-Key not valid anymore "
+			   "(lifetime=%ld now=%ld)", lifetime, now.sec);
+		data->send_new_pac = 2;
+		/*
+		 * Allow PAC to be used to allow a PAC update with some level
+		 * of server authentication (i.e., do not fall back to full TLS
+		 * handshake since we cannot be sure that the peer would be
+		 * able to validate server certificate now). However, reject
+		 * the authentication since the PAC was not valid anymore. Peer
+		 * can connect again with the newly provisioned PAC after this.
+		 */
+	} else if (lifetime - now.sec < data->pac_key_refresh_time) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: PAC-Key soft timeout; send "
+			   "an update if authentication succeeds");
+		data->send_new_pac = 1;
+	}
+
+	eap_fast_derive_master_secret(pac_key, server_random, client_random,
+				      master_secret);
+
+	os_free(buf);
+
+	return 1;
+}
+
+
+static void eap_fast_derive_key_auth(struct eap_sm *sm,
+				     struct eap_fast_data *data)
+{
+	u8 *sks;
+
+	/* RFC 4851, Section 5.1:
+	 * Extra key material after TLS key_block: session_key_seed[40]
+	 */
+
+	sks = eap_fast_derive_key(sm->ssl_ctx, data->ssl.conn, "key expansion",
+				  EAP_FAST_SKS_LEN);
+	if (sks == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Failed to derive "
+			   "session_key_seed");
+		return;
+	}
+
+	/*
+	 * RFC 4851, Section 5.2:
+	 * S-IMCK[0] = session_key_seed
+	 */
+	wpa_hexdump_key(MSG_DEBUG,
+			"EAP-FAST: session_key_seed (SKS = S-IMCK[0])",
+			sks, EAP_FAST_SKS_LEN);
+	data->simck_idx = 0;
+	os_memcpy(data->simck, sks, EAP_FAST_SIMCK_LEN);
+	os_free(sks);
+}
+
+
+static void eap_fast_derive_key_provisioning(struct eap_sm *sm,
+					     struct eap_fast_data *data)
+{
+	os_free(data->key_block_p);
+	data->key_block_p = (struct eap_fast_key_block_provisioning *)
+		eap_fast_derive_key(sm->ssl_ctx, data->ssl.conn,
+				    "key expansion",
+				    sizeof(*data->key_block_p));
+	if (data->key_block_p == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Failed to derive key block");
+		return;
+	}
+	/*
+	 * RFC 4851, Section 5.2:
+	 * S-IMCK[0] = session_key_seed
+	 */
+	wpa_hexdump_key(MSG_DEBUG,
+			"EAP-FAST: session_key_seed (SKS = S-IMCK[0])",
+			data->key_block_p->session_key_seed,
+			sizeof(data->key_block_p->session_key_seed));
+	data->simck_idx = 0;
+	os_memcpy(data->simck, data->key_block_p->session_key_seed,
+		  EAP_FAST_SIMCK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-FAST: server_challenge",
+			data->key_block_p->server_challenge,
+			sizeof(data->key_block_p->server_challenge));
+	wpa_hexdump_key(MSG_DEBUG, "EAP-FAST: client_challenge",
+			data->key_block_p->client_challenge,
+			sizeof(data->key_block_p->client_challenge));
+}
+
+
+static int eap_fast_get_phase2_key(struct eap_sm *sm,
+				   struct eap_fast_data *data,
+				   u8 *isk, size_t isk_len)
+{
+	u8 *key;
+	size_t key_len;
+
+	os_memset(isk, 0, isk_len);
+
+	if (data->phase2_method == NULL || data->phase2_priv == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Phase 2 method not "
+			   "available");
+		return -1;
+	}
+
+	if (data->phase2_method->getKey == NULL)
+		return 0;
+
+	if ((key = data->phase2_method->getKey(sm, data->phase2_priv,
+					       &key_len)) == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Could not get key material "
+			   "from Phase 2");
+		return -1;
+	}
+
+	if (key_len > isk_len)
+		key_len = isk_len;
+	if (key_len == 32 &&
+	    data->phase2_method->vendor == EAP_VENDOR_IETF &&
+	    data->phase2_method->method == EAP_TYPE_MSCHAPV2) {
+		/*
+		 * EAP-FAST uses reverse order for MS-MPPE keys when deriving
+		 * MSK from EAP-MSCHAPv2. Swap the keys here to get the correct
+		 * ISK for EAP-FAST cryptobinding.
+		 */
+		os_memcpy(isk, key + 16, 16);
+		os_memcpy(isk + 16, key, 16);
+	} else
+		os_memcpy(isk, key, key_len);
+	os_free(key);
+
+	return 0;
+}
+
+
+static int eap_fast_update_icmk(struct eap_sm *sm, struct eap_fast_data *data)
+{
+	u8 isk[32], imck[60];
+
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Deriving ICMK[%d] (S-IMCK and CMK)",
+		   data->simck_idx + 1);
+
+	/*
+	 * RFC 4851, Section 5.2:
+	 * IMCK[j] = T-PRF(S-IMCK[j-1], "Inner Methods Compound Keys",
+	 *                 MSK[j], 60)
+	 * S-IMCK[j] = first 40 octets of IMCK[j]
+	 * CMK[j] = last 20 octets of IMCK[j]
+	 */
+
+	if (eap_fast_get_phase2_key(sm, data, isk, sizeof(isk)) < 0)
+		return -1;
+	wpa_hexdump_key(MSG_MSGDUMP, "EAP-FAST: ISK[j]", isk, sizeof(isk));
+	sha1_t_prf(data->simck, EAP_FAST_SIMCK_LEN,
+		   "Inner Methods Compound Keys",
+		   isk, sizeof(isk), imck, sizeof(imck));
+	data->simck_idx++;
+	os_memcpy(data->simck, imck, EAP_FAST_SIMCK_LEN);
+	wpa_hexdump_key(MSG_MSGDUMP, "EAP-FAST: S-IMCK[j]",
+			data->simck, EAP_FAST_SIMCK_LEN);
+	os_memcpy(data->cmk, imck + EAP_FAST_SIMCK_LEN, EAP_FAST_CMK_LEN);
+	wpa_hexdump_key(MSG_MSGDUMP, "EAP-FAST: CMK[j]",
+			data->cmk, EAP_FAST_CMK_LEN);
+
+	return 0;
+}
+
+
+static void * eap_fast_init(struct eap_sm *sm)
+{
+	struct eap_fast_data *data;
+	u8 ciphers[5] = {
+		TLS_CIPHER_ANON_DH_AES128_SHA,
+		TLS_CIPHER_AES128_SHA,
+		TLS_CIPHER_RSA_DHE_AES128_SHA,
+		TLS_CIPHER_RC4_SHA,
+		TLS_CIPHER_NONE
+	};
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->fast_version = EAP_FAST_VERSION;
+	data->force_version = -1;
+	if (sm->user && sm->user->force_version >= 0) {
+		data->force_version = sm->user->force_version;
+		wpa_printf(MSG_DEBUG, "EAP-FAST: forcing version %d",
+			   data->force_version);
+		data->fast_version = data->force_version;
+	}
+	data->state = START;
+
+	if (eap_server_tls_ssl_init(sm, &data->ssl, 0)) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Failed to initialize SSL.");
+		eap_fast_reset(sm, data);
+		return NULL;
+	}
+
+	if (tls_connection_set_cipher_list(sm->ssl_ctx, data->ssl.conn,
+					   ciphers) < 0) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Failed to set TLS cipher "
+			   "suites");
+		eap_fast_reset(sm, data);
+		return NULL;
+	}
+
+	if (tls_connection_set_session_ticket_cb(sm->ssl_ctx, data->ssl.conn,
+						 eap_fast_session_ticket_cb,
+						 data) < 0) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Failed to set SessionTicket "
+			   "callback");
+		eap_fast_reset(sm, data);
+		return NULL;
+	}
+
+	if (sm->pac_opaque_encr_key == NULL) {
+		wpa_printf(MSG_INFO, "EAP-FAST: No PAC-Opaque encryption key "
+			   "configured");
+		eap_fast_reset(sm, data);
+		return NULL;
+	}
+	os_memcpy(data->pac_opaque_encr, sm->pac_opaque_encr_key,
+		  sizeof(data->pac_opaque_encr));
+
+	if (sm->eap_fast_a_id == NULL) {
+		wpa_printf(MSG_INFO, "EAP-FAST: No A-ID configured");
+		eap_fast_reset(sm, data);
+		return NULL;
+	}
+	data->srv_id = os_malloc(sm->eap_fast_a_id_len);
+	if (data->srv_id == NULL) {
+		eap_fast_reset(sm, data);
+		return NULL;
+	}
+	os_memcpy(data->srv_id, sm->eap_fast_a_id, sm->eap_fast_a_id_len);
+	data->srv_id_len = sm->eap_fast_a_id_len;
+
+	if (sm->eap_fast_a_id_info == NULL) {
+		wpa_printf(MSG_INFO, "EAP-FAST: No A-ID-Info configured");
+		eap_fast_reset(sm, data);
+		return NULL;
+	}
+	data->srv_id_info = os_strdup(sm->eap_fast_a_id_info);
+	if (data->srv_id_info == NULL) {
+		eap_fast_reset(sm, data);
+		return NULL;
+	}
+
+	/* PAC-Key lifetime in seconds (hard limit) */
+	data->pac_key_lifetime = sm->pac_key_lifetime;
+
+	/*
+	 * PAC-Key refresh time in seconds (soft limit on remaining hard
+	 * limit). The server will generate a new PAC-Key when this number of
+	 * seconds (or fewer) of the lifetime remains.
+	 */
+	data->pac_key_refresh_time = sm->pac_key_refresh_time;
+
+	return data;
+}
+
+
+static void eap_fast_reset(struct eap_sm *sm, void *priv)
+{
+	struct eap_fast_data *data = priv;
+	if (data == NULL)
+		return;
+	if (data->phase2_priv && data->phase2_method)
+		data->phase2_method->reset(sm, data->phase2_priv);
+	eap_server_tls_ssl_deinit(sm, &data->ssl);
+	os_free(data->srv_id);
+	os_free(data->srv_id_info);
+	os_free(data->key_block_p);
+	wpabuf_free(data->pending_phase2_resp);
+	os_free(data->identity);
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_fast_build_start(struct eap_sm *sm,
+					    struct eap_fast_data *data, u8 id)
+{
+	struct wpabuf *req;
+
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_FAST,
+			    1 + sizeof(struct pac_tlv_hdr) + data->srv_id_len,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-FAST: Failed to allocate memory for"
+			   " request");
+		eap_fast_state(data, FAILURE);
+		return NULL;
+	}
+
+	wpabuf_put_u8(req, EAP_TLS_FLAGS_START | data->fast_version);
+
+	/* RFC 4851, 4.1.1. Authority ID Data */
+	eap_fast_put_tlv(req, PAC_TYPE_A_ID, data->srv_id, data->srv_id_len);
+
+	eap_fast_state(data, PHASE1);
+
+	return req;
+}
+
+
+static int eap_fast_phase1_done(struct eap_sm *sm, struct eap_fast_data *data)
+{
+	char cipher[64];
+
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Phase1 done, starting Phase2");
+
+	if (tls_get_cipher(sm->ssl_ctx, data->ssl.conn, cipher, sizeof(cipher))
+	    < 0) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Failed to get cipher "
+			   "information");
+		eap_fast_state(data, FAILURE);
+		return -1;
+	}
+	data->anon_provisioning = os_strstr(cipher, "ADH") != NULL;
+		    
+	if (data->anon_provisioning) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Anonymous provisioning");
+		eap_fast_derive_key_provisioning(sm, data);
+	} else
+		eap_fast_derive_key_auth(sm, data);
+
+	eap_fast_state(data, PHASE2_START);
+
+	return 0;
+}
+
+
+static struct wpabuf * eap_fast_build_phase2_req(struct eap_sm *sm,
+						 struct eap_fast_data *data,
+						 u8 id)
+{
+	struct wpabuf *req;
+
+	if (data->phase2_priv == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Phase 2 method not "
+			   "initialized");
+		return NULL;
+	}
+	req = data->phase2_method->buildReq(sm, data->phase2_priv, id);
+	if (req == NULL)
+		return NULL;
+
+	wpa_hexdump_buf_key(MSG_MSGDUMP, "EAP-FAST: Phase 2 EAP-Request", req);
+	return eap_fast_tlv_eap_payload(req);
+}
+
+
+static struct wpabuf * eap_fast_build_crypto_binding(
+	struct eap_sm *sm, struct eap_fast_data *data)
+{
+	struct wpabuf *buf;
+	struct eap_tlv_result_tlv *result;
+	struct eap_tlv_crypto_binding_tlv *binding;
+
+	buf = wpabuf_alloc(2 * sizeof(*result) + sizeof(*binding));
+	if (buf == NULL)
+		return NULL;
+
+	if (data->send_new_pac || data->anon_provisioning ||
+	    data->phase2_method)
+		data->final_result = 0;
+	else
+		data->final_result = 1;
+
+	if (!data->final_result || data->eap_seq > 1) {
+		/* Intermediate-Result */
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Add Intermediate-Result TLV "
+			   "(status=SUCCESS)");
+		result = wpabuf_put(buf, sizeof(*result));
+		result->tlv_type = host_to_be16(
+			EAP_TLV_TYPE_MANDATORY |
+			EAP_TLV_INTERMEDIATE_RESULT_TLV);
+		result->length = host_to_be16(2);
+		result->status = host_to_be16(EAP_TLV_RESULT_SUCCESS);
+	}
+
+	if (data->final_result) {
+		/* Result TLV */
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Add Result TLV "
+			   "(status=SUCCESS)");
+		result = wpabuf_put(buf, sizeof(*result));
+		result->tlv_type = host_to_be16(EAP_TLV_TYPE_MANDATORY |
+						EAP_TLV_RESULT_TLV);
+		result->length = host_to_be16(2);
+		result->status = host_to_be16(EAP_TLV_RESULT_SUCCESS);
+	}
+
+	/* Crypto-Binding TLV */
+	binding = wpabuf_put(buf, sizeof(*binding));
+	binding->tlv_type = host_to_be16(EAP_TLV_TYPE_MANDATORY |
+					 EAP_TLV_CRYPTO_BINDING_TLV);
+	binding->length = host_to_be16(sizeof(*binding) -
+				       sizeof(struct eap_tlv_hdr));
+	binding->version = EAP_FAST_VERSION;
+	binding->received_version = data->peer_version;
+	binding->subtype = EAP_TLV_CRYPTO_BINDING_SUBTYPE_REQUEST;
+	if (random_get_bytes(binding->nonce, sizeof(binding->nonce)) < 0) {
+		wpabuf_free(buf);
+		return NULL;
+	}
+
+	/*
+	 * RFC 4851, Section 4.2.8:
+	 * The nonce in a request MUST have its least significant bit set to 0.
+	 */
+	binding->nonce[sizeof(binding->nonce) - 1] &= ~0x01;
+
+	os_memcpy(data->crypto_binding_nonce, binding->nonce,
+		  sizeof(binding->nonce));
+
+	/*
+	 * RFC 4851, Section 5.3:
+	 * CMK = CMK[j]
+	 * Compound-MAC = HMAC-SHA1( CMK, Crypto-Binding TLV )
+	 */
+
+	hmac_sha1(data->cmk, EAP_FAST_CMK_LEN,
+		  (u8 *) binding, sizeof(*binding),
+		  binding->compound_mac);
+
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Add Crypto-Binding TLV: Version %d "
+		   "Received Version %d SubType %d",
+		   binding->version, binding->received_version,
+		   binding->subtype);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-FAST: NONCE",
+		    binding->nonce, sizeof(binding->nonce));
+	wpa_hexdump(MSG_MSGDUMP, "EAP-FAST: Compound MAC",
+		    binding->compound_mac, sizeof(binding->compound_mac));
+
+	return buf;
+}
+
+
+static struct wpabuf * eap_fast_build_pac(struct eap_sm *sm,
+					  struct eap_fast_data *data)
+{
+	u8 pac_key[EAP_FAST_PAC_KEY_LEN];
+	u8 *pac_buf, *pac_opaque;
+	struct wpabuf *buf;
+	u8 *pos;
+	size_t buf_len, srv_id_info_len, pac_len;
+	struct eap_tlv_hdr *pac_tlv;
+	struct pac_tlv_hdr *pac_info;
+	struct eap_tlv_result_tlv *result;
+	struct os_time now;
+
+	if (random_get_bytes(pac_key, EAP_FAST_PAC_KEY_LEN) < 0 ||
+	    os_get_time(&now) < 0)
+		return NULL;
+	wpa_hexdump_key(MSG_DEBUG, "EAP-FAST: Generated PAC-Key",
+			pac_key, EAP_FAST_PAC_KEY_LEN);
+
+	pac_len = (2 + EAP_FAST_PAC_KEY_LEN) + (2 + 4) +
+		(2 + sm->identity_len) + 8;
+	pac_buf = os_malloc(pac_len);
+	if (pac_buf == NULL)
+		return NULL;
+
+	srv_id_info_len = os_strlen(data->srv_id_info);
+
+	pos = pac_buf;
+	*pos++ = PAC_OPAQUE_TYPE_KEY;
+	*pos++ = EAP_FAST_PAC_KEY_LEN;
+	os_memcpy(pos, pac_key, EAP_FAST_PAC_KEY_LEN);
+	pos += EAP_FAST_PAC_KEY_LEN;
+
+	*pos++ = PAC_OPAQUE_TYPE_LIFETIME;
+	*pos++ = 4;
+	WPA_PUT_BE32(pos, now.sec + data->pac_key_lifetime);
+	pos += 4;
+
+	if (sm->identity) {
+		*pos++ = PAC_OPAQUE_TYPE_IDENTITY;
+		*pos++ = sm->identity_len;
+		os_memcpy(pos, sm->identity, sm->identity_len);
+		pos += sm->identity_len;
+	}
+
+	pac_len = pos - pac_buf;
+	while (pac_len % 8) {
+		*pos++ = PAC_OPAQUE_TYPE_PAD;
+		pac_len++;
+	}
+
+	pac_opaque = os_malloc(pac_len + 8);
+	if (pac_opaque == NULL) {
+		os_free(pac_buf);
+		return NULL;
+	}
+	if (aes_wrap(data->pac_opaque_encr, pac_len / 8, pac_buf,
+		     pac_opaque) < 0) {
+		os_free(pac_buf);
+		os_free(pac_opaque);
+		return NULL;
+	}
+	os_free(pac_buf);
+
+	pac_len += 8;
+	wpa_hexdump(MSG_DEBUG, "EAP-FAST: PAC-Opaque",
+		    pac_opaque, pac_len);
+
+	buf_len = sizeof(*pac_tlv) +
+		sizeof(struct pac_tlv_hdr) + EAP_FAST_PAC_KEY_LEN +
+		sizeof(struct pac_tlv_hdr) + pac_len +
+		data->srv_id_len + srv_id_info_len + 100 + sizeof(*result);
+	buf = wpabuf_alloc(buf_len);
+	if (buf == NULL) {
+		os_free(pac_opaque);
+		return NULL;
+	}
+
+	/* Result TLV */
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Add Result TLV (status=SUCCESS)");
+	result = wpabuf_put(buf, sizeof(*result));
+	WPA_PUT_BE16((u8 *) &result->tlv_type,
+		     EAP_TLV_TYPE_MANDATORY | EAP_TLV_RESULT_TLV);
+	WPA_PUT_BE16((u8 *) &result->length, 2);
+	WPA_PUT_BE16((u8 *) &result->status, EAP_TLV_RESULT_SUCCESS);
+
+	/* PAC TLV */
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Add PAC TLV");
+	pac_tlv = wpabuf_put(buf, sizeof(*pac_tlv));
+	pac_tlv->tlv_type = host_to_be16(EAP_TLV_TYPE_MANDATORY |
+					 EAP_TLV_PAC_TLV);
+
+	/* PAC-Key */
+	eap_fast_put_tlv(buf, PAC_TYPE_PAC_KEY, pac_key, EAP_FAST_PAC_KEY_LEN);
+
+	/* PAC-Opaque */
+	eap_fast_put_tlv(buf, PAC_TYPE_PAC_OPAQUE, pac_opaque, pac_len);
+	os_free(pac_opaque);
+
+	/* PAC-Info */
+	pac_info = wpabuf_put(buf, sizeof(*pac_info));
+	pac_info->type = host_to_be16(PAC_TYPE_PAC_INFO);
+
+	/* PAC-Lifetime (inside PAC-Info) */
+	eap_fast_put_tlv_hdr(buf, PAC_TYPE_CRED_LIFETIME, 4);
+	wpabuf_put_be32(buf, now.sec + data->pac_key_lifetime);
+
+	/* A-ID (inside PAC-Info) */
+	eap_fast_put_tlv(buf, PAC_TYPE_A_ID, data->srv_id, data->srv_id_len);
+	
+	/* Note: headers may be misaligned after A-ID */
+
+	if (sm->identity) {
+		eap_fast_put_tlv(buf, PAC_TYPE_I_ID, sm->identity,
+				 sm->identity_len);
+	}
+
+	/* A-ID-Info (inside PAC-Info) */
+	eap_fast_put_tlv(buf, PAC_TYPE_A_ID_INFO, data->srv_id_info,
+			 srv_id_info_len);
+
+	/* PAC-Type (inside PAC-Info) */
+	eap_fast_put_tlv_hdr(buf, PAC_TYPE_PAC_TYPE, 2);
+	wpabuf_put_be16(buf, PAC_TYPE_TUNNEL_PAC);
+
+	/* Update PAC-Info and PAC TLV Length fields */
+	pos = wpabuf_put(buf, 0);
+	pac_info->len = host_to_be16(pos - (u8 *) (pac_info + 1));
+	pac_tlv->length = host_to_be16(pos - (u8 *) (pac_tlv + 1));
+
+	return buf;
+}
+
+
+static int eap_fast_encrypt_phase2(struct eap_sm *sm,
+				   struct eap_fast_data *data,
+				   struct wpabuf *plain, int piggyback)
+{
+	struct wpabuf *encr;
+
+	wpa_hexdump_buf_key(MSG_DEBUG, "EAP-FAST: Encrypting Phase 2 TLVs",
+			    plain);
+	encr = eap_server_tls_encrypt(sm, &data->ssl, plain);
+	wpabuf_free(plain);
+
+	if (data->ssl.tls_out && piggyback) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Piggyback Phase 2 data "
+			   "(len=%d) with last Phase 1 Message (len=%d "
+			   "used=%d)",
+			   (int) wpabuf_len(encr),
+			   (int) wpabuf_len(data->ssl.tls_out),
+			   (int) data->ssl.tls_out_pos);
+		if (wpabuf_resize(&data->ssl.tls_out, wpabuf_len(encr)) < 0) {
+			wpa_printf(MSG_WARNING, "EAP-FAST: Failed to resize "
+				   "output buffer");
+			wpabuf_free(encr);
+			return -1;
+		}
+		wpabuf_put_buf(data->ssl.tls_out, encr);
+		wpabuf_free(encr);
+	} else {
+		wpabuf_free(data->ssl.tls_out);
+		data->ssl.tls_out_pos = 0;
+		data->ssl.tls_out = encr;
+	}
+
+	return 0;
+}
+
+
+static struct wpabuf * eap_fast_buildReq(struct eap_sm *sm, void *priv, u8 id)
+{
+	struct eap_fast_data *data = priv;
+	struct wpabuf *req = NULL;
+	int piggyback = 0;
+
+	if (data->ssl.state == FRAG_ACK) {
+		return eap_server_tls_build_ack(id, EAP_TYPE_FAST,
+						data->fast_version);
+	}
+
+	if (data->ssl.state == WAIT_FRAG_ACK) {
+		return eap_server_tls_build_msg(&data->ssl, EAP_TYPE_FAST,
+						data->fast_version, id);
+	}
+
+	switch (data->state) {
+	case START:
+		return eap_fast_build_start(sm, data, id);
+	case PHASE1:
+		if (tls_connection_established(sm->ssl_ctx, data->ssl.conn)) {
+			if (eap_fast_phase1_done(sm, data) < 0)
+				return NULL;
+			if (data->state == PHASE2_START) {
+				/*
+				 * Try to generate Phase 2 data to piggyback
+				 * with the end of Phase 1 to avoid extra
+				 * roundtrip.
+				 */
+				wpa_printf(MSG_DEBUG, "EAP-FAST: Try to start "
+					   "Phase 2");
+				if (eap_fast_process_phase2_start(sm, data))
+					break;
+				req = eap_fast_build_phase2_req(sm, data, id);
+				piggyback = 1;
+			}
+		}
+		break;
+	case PHASE2_ID:
+	case PHASE2_METHOD:
+		req = eap_fast_build_phase2_req(sm, data, id);
+		break;
+	case CRYPTO_BINDING:
+		req = eap_fast_build_crypto_binding(sm, data);
+		if (data->phase2_method) {
+			/*
+			 * Include the start of the next EAP method in the
+			 * sequence in the same message with Crypto-Binding to
+			 * save a round-trip.
+			 */
+			struct wpabuf *eap;
+			eap = eap_fast_build_phase2_req(sm, data, id);
+			req = wpabuf_concat(req, eap);
+			eap_fast_state(data, PHASE2_METHOD);
+		}
+		break;
+	case REQUEST_PAC:
+		req = eap_fast_build_pac(sm, data);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-FAST: %s - unexpected state %d",
+			   __func__, data->state);
+		return NULL;
+	}
+
+	if (req &&
+	    eap_fast_encrypt_phase2(sm, data, req, piggyback) < 0)
+		return NULL;
+
+	return eap_server_tls_build_msg(&data->ssl, EAP_TYPE_FAST,
+					data->fast_version, id);
+}
+
+
+static Boolean eap_fast_check(struct eap_sm *sm, void *priv,
+			      struct wpabuf *respData)
+{
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_FAST, respData, &len);
+	if (pos == NULL || len < 1) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Invalid frame");
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+static int eap_fast_phase2_init(struct eap_sm *sm, struct eap_fast_data *data,
+				EapType eap_type)
+{
+	if (data->phase2_priv && data->phase2_method) {
+		data->phase2_method->reset(sm, data->phase2_priv);
+		data->phase2_method = NULL;
+		data->phase2_priv = NULL;
+	}
+	data->phase2_method = eap_server_get_eap_method(EAP_VENDOR_IETF,
+							eap_type);
+	if (!data->phase2_method)
+		return -1;
+
+	if (data->key_block_p) {
+		sm->auth_challenge = data->key_block_p->server_challenge;
+		sm->peer_challenge = data->key_block_p->client_challenge;
+	}
+	sm->init_phase2 = 1;
+	data->phase2_priv = data->phase2_method->init(sm);
+	sm->init_phase2 = 0;
+	sm->auth_challenge = NULL;
+	sm->peer_challenge = NULL;
+
+	return data->phase2_priv == NULL ? -1 : 0;
+}
+
+
+static void eap_fast_process_phase2_response(struct eap_sm *sm,
+					     struct eap_fast_data *data,
+					     u8 *in_data, size_t in_len)
+{
+	u8 next_type = EAP_TYPE_NONE;
+	struct eap_hdr *hdr;
+	u8 *pos;
+	size_t left;
+	struct wpabuf buf;
+	const struct eap_method *m = data->phase2_method;
+	void *priv = data->phase2_priv;
+
+	if (priv == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: %s - Phase2 not "
+			   "initialized?!", __func__);
+		return;
+	}
+
+	hdr = (struct eap_hdr *) in_data;
+	pos = (u8 *) (hdr + 1);
+
+	if (in_len > sizeof(*hdr) && *pos == EAP_TYPE_NAK) {
+		left = in_len - sizeof(*hdr);
+		wpa_hexdump(MSG_DEBUG, "EAP-FAST: Phase2 type Nak'ed; "
+			    "allowed types", pos + 1, left - 1);
+#ifdef EAP_SERVER_TNC
+		if (m && m->vendor == EAP_VENDOR_IETF &&
+		    m->method == EAP_TYPE_TNC) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Peer Nak'ed required "
+				   "TNC negotiation");
+			next_type = eap_fast_req_failure(sm, data);
+			eap_fast_phase2_init(sm, data, next_type);
+			return;
+		}
+#endif /* EAP_SERVER_TNC */
+		eap_sm_process_nak(sm, pos + 1, left - 1);
+		if (sm->user && sm->user_eap_method_index < EAP_MAX_METHODS &&
+		    sm->user->methods[sm->user_eap_method_index].method !=
+		    EAP_TYPE_NONE) {
+			next_type = sm->user->methods[
+				sm->user_eap_method_index++].method;
+			wpa_printf(MSG_DEBUG, "EAP-FAST: try EAP type %d",
+				   next_type);
+		} else {
+			next_type = eap_fast_req_failure(sm, data);
+		}
+		eap_fast_phase2_init(sm, data, next_type);
+		return;
+	}
+
+	wpabuf_set(&buf, in_data, in_len);
+
+	if (m->check(sm, priv, &buf)) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Phase2 check() asked to "
+			   "ignore the packet");
+		next_type = eap_fast_req_failure(sm, data);
+		return;
+	}
+
+	m->process(sm, priv, &buf);
+
+	if (!m->isDone(sm, priv))
+		return;
+
+	if (!m->isSuccess(sm, priv)) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Phase2 method failed");
+		next_type = eap_fast_req_failure(sm, data);
+		eap_fast_phase2_init(sm, data, next_type);
+		return;
+	}
+
+	switch (data->state) {
+	case PHASE2_ID:
+		if (eap_user_get(sm, sm->identity, sm->identity_len, 1) != 0) {
+			wpa_hexdump_ascii(MSG_DEBUG, "EAP-FAST: Phase2 "
+					  "Identity not found in the user "
+					  "database",
+					  sm->identity, sm->identity_len);
+			next_type = eap_fast_req_failure(sm, data);
+			break;
+		}
+
+		eap_fast_state(data, PHASE2_METHOD);
+		if (data->anon_provisioning) {
+			/*
+			 * Only EAP-MSCHAPv2 is allowed for anonymous
+			 * provisioning.
+			 */
+			next_type = EAP_TYPE_MSCHAPV2;
+			sm->user_eap_method_index = 0;
+		} else {
+			next_type = sm->user->methods[0].method;
+			sm->user_eap_method_index = 1;
+		}
+		wpa_printf(MSG_DEBUG, "EAP-FAST: try EAP type %d", next_type);
+		break;
+	case PHASE2_METHOD:
+	case CRYPTO_BINDING:
+		eap_fast_update_icmk(sm, data);
+		eap_fast_state(data, CRYPTO_BINDING);
+		data->eap_seq++;
+		next_type = EAP_TYPE_NONE;
+#ifdef EAP_SERVER_TNC
+		if (sm->tnc && !data->tnc_started) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Initialize TNC");
+			next_type = EAP_TYPE_TNC;
+			data->tnc_started = 1;
+		}
+#endif /* EAP_SERVER_TNC */
+		break;
+	case FAILURE:
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-FAST: %s - unexpected state %d",
+			   __func__, data->state);
+		break;
+	}
+
+	eap_fast_phase2_init(sm, data, next_type);
+}
+
+
+static void eap_fast_process_phase2_eap(struct eap_sm *sm,
+					struct eap_fast_data *data,
+					u8 *in_data, size_t in_len)
+{
+	struct eap_hdr *hdr;
+	size_t len;
+
+	hdr = (struct eap_hdr *) in_data;
+	if (in_len < (int) sizeof(*hdr)) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Too short Phase 2 "
+			   "EAP frame (len=%lu)", (unsigned long) in_len);
+		eap_fast_req_failure(sm, data);
+		return;
+	}
+	len = be_to_host16(hdr->length);
+	if (len > in_len) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Length mismatch in "
+			   "Phase 2 EAP frame (len=%lu hdr->length=%lu)",
+			   (unsigned long) in_len, (unsigned long) len);
+		eap_fast_req_failure(sm, data);
+		return;
+	}
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Received Phase 2: code=%d "
+		   "identifier=%d length=%lu", hdr->code, hdr->identifier,
+		   (unsigned long) len);
+	switch (hdr->code) {
+	case EAP_CODE_RESPONSE:
+		eap_fast_process_phase2_response(sm, data, (u8 *) hdr, len);
+		break;
+	default:
+		wpa_printf(MSG_INFO, "EAP-FAST: Unexpected code=%d in "
+			   "Phase 2 EAP header", hdr->code);
+		break;
+	}
+}
+
+
+static int eap_fast_parse_tlvs(struct wpabuf *data,
+			       struct eap_fast_tlv_parse *tlv)
+{
+	int mandatory, tlv_type, len, res;
+	u8 *pos, *end;
+
+	os_memset(tlv, 0, sizeof(*tlv));
+
+	pos = wpabuf_mhead(data);
+	end = pos + wpabuf_len(data);
+	while (pos + 4 < end) {
+		mandatory = pos[0] & 0x80;
+		tlv_type = WPA_GET_BE16(pos) & 0x3fff;
+		pos += 2;
+		len = WPA_GET_BE16(pos);
+		pos += 2;
+		if (pos + len > end) {
+			wpa_printf(MSG_INFO, "EAP-FAST: TLV overflow");
+			return -1;
+		}
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Received Phase 2: "
+			   "TLV type %d length %d%s",
+			   tlv_type, len, mandatory ? " (mandatory)" : "");
+
+		res = eap_fast_parse_tlv(tlv, tlv_type, pos, len);
+		if (res == -2)
+			break;
+		if (res < 0) {
+			if (mandatory) {
+				wpa_printf(MSG_DEBUG, "EAP-FAST: Nak unknown "
+					   "mandatory TLV type %d", tlv_type);
+				/* TODO: generate Nak TLV */
+				break;
+			} else {
+				wpa_printf(MSG_DEBUG, "EAP-FAST: Ignored "
+					   "unknown optional TLV type %d",
+					   tlv_type);
+			}
+		}
+
+		pos += len;
+	}
+
+	return 0;
+}
+
+
+static int eap_fast_validate_crypto_binding(
+	struct eap_fast_data *data, struct eap_tlv_crypto_binding_tlv *b,
+	size_t bind_len)
+{
+	u8 cmac[SHA1_MAC_LEN];
+
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Reply Crypto-Binding TLV: "
+		   "Version %d Received Version %d SubType %d",
+		   b->version, b->received_version, b->subtype);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-FAST: NONCE",
+		    b->nonce, sizeof(b->nonce));
+	wpa_hexdump(MSG_MSGDUMP, "EAP-FAST: Compound MAC",
+		    b->compound_mac, sizeof(b->compound_mac));
+
+	if (b->version != EAP_FAST_VERSION ||
+	    b->received_version != EAP_FAST_VERSION) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Unexpected version "
+			   "in Crypto-Binding: version %d "
+			   "received_version %d", b->version,
+			   b->received_version);
+		return -1;
+	}
+
+	if (b->subtype != EAP_TLV_CRYPTO_BINDING_SUBTYPE_RESPONSE) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Unexpected subtype in "
+			   "Crypto-Binding: %d", b->subtype);
+		return -1;
+	}
+
+	if (os_memcmp(data->crypto_binding_nonce, b->nonce, 31) != 0 ||
+	    (data->crypto_binding_nonce[31] | 1) != b->nonce[31]) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Invalid nonce in "
+			   "Crypto-Binding");
+		return -1;
+	}
+
+	os_memcpy(cmac, b->compound_mac, sizeof(cmac));
+	os_memset(b->compound_mac, 0, sizeof(cmac));
+	wpa_hexdump(MSG_MSGDUMP, "EAP-FAST: Crypto-Binding TLV for "
+		    "Compound MAC calculation",
+		    (u8 *) b, bind_len);
+	hmac_sha1(data->cmk, EAP_FAST_CMK_LEN, (u8 *) b, bind_len,
+		  b->compound_mac);
+	if (os_memcmp(cmac, b->compound_mac, sizeof(cmac)) != 0) {
+		wpa_hexdump(MSG_MSGDUMP,
+			    "EAP-FAST: Calculated Compound MAC",
+			    b->compound_mac, sizeof(cmac));
+		wpa_printf(MSG_INFO, "EAP-FAST: Compound MAC did not "
+			   "match");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int eap_fast_pac_type(u8 *pac, size_t len, u16 type)
+{
+	struct eap_tlv_pac_type_tlv *tlv;
+
+	if (pac == NULL || len != sizeof(*tlv))
+		return 0;
+
+	tlv = (struct eap_tlv_pac_type_tlv *) pac;
+
+	return be_to_host16(tlv->tlv_type) == PAC_TYPE_PAC_TYPE &&
+		be_to_host16(tlv->length) == 2 &&
+		be_to_host16(tlv->pac_type) == type;
+}
+
+
+static void eap_fast_process_phase2_tlvs(struct eap_sm *sm,
+					 struct eap_fast_data *data,
+					 struct wpabuf *in_data)
+{
+	struct eap_fast_tlv_parse tlv;
+	int check_crypto_binding = data->state == CRYPTO_BINDING;
+
+	if (eap_fast_parse_tlvs(in_data, &tlv) < 0) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Failed to parse received "
+			   "Phase 2 TLVs");
+		return;
+	}
+
+	if (tlv.result == EAP_TLV_RESULT_FAILURE) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Result TLV indicated "
+			   "failure");
+		eap_fast_state(data, FAILURE);
+		return;
+	}
+
+	if (data->state == REQUEST_PAC) {
+		u16 type, len, res;
+		if (tlv.pac == NULL || tlv.pac_len < 6) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: No PAC "
+				   "Acknowledgement received");
+			eap_fast_state(data, FAILURE);
+			return;
+		}
+
+		type = WPA_GET_BE16(tlv.pac);
+		len = WPA_GET_BE16(tlv.pac + 2);
+		res = WPA_GET_BE16(tlv.pac + 4);
+
+		if (type != PAC_TYPE_PAC_ACKNOWLEDGEMENT || len != 2 ||
+		    res != EAP_TLV_RESULT_SUCCESS) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: PAC TLV did not "
+				   "contain acknowledgement");
+			eap_fast_state(data, FAILURE);
+			return;
+		}
+
+		wpa_printf(MSG_DEBUG, "EAP-FAST: PAC-Acknowledgement received "
+			   "- PAC provisioning succeeded");
+		eap_fast_state(data, (data->anon_provisioning ||
+				      data->send_new_pac == 2) ?
+			       FAILURE : SUCCESS);
+		return;
+	}
+
+	if (check_crypto_binding) {
+		if (tlv.crypto_binding == NULL) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: No Crypto-Binding "
+				   "TLV received");
+			eap_fast_state(data, FAILURE);
+			return;
+		}
+
+		if (data->final_result &&
+		    tlv.result != EAP_TLV_RESULT_SUCCESS) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Crypto-Binding TLV "
+				   "without Success Result");
+			eap_fast_state(data, FAILURE);
+			return;
+		}
+
+		if (!data->final_result &&
+		    tlv.iresult != EAP_TLV_RESULT_SUCCESS) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Crypto-Binding TLV "
+				   "without intermediate Success Result");
+			eap_fast_state(data, FAILURE);
+			return;
+		}
+
+		if (eap_fast_validate_crypto_binding(data, tlv.crypto_binding,
+						     tlv.crypto_binding_len)) {
+			eap_fast_state(data, FAILURE);
+			return;
+		}
+
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Valid Crypto-Binding TLV "
+			   "received");
+		if (data->final_result) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Authentication "
+				   "completed successfully");
+		}
+
+		if (data->anon_provisioning &&
+		    sm->eap_fast_prov != ANON_PROV &&
+		    sm->eap_fast_prov != BOTH_PROV) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Client is trying to "
+				   "use unauthenticated provisioning which is "
+				   "disabled");
+			eap_fast_state(data, FAILURE);
+			return;
+		}
+
+		if (sm->eap_fast_prov != AUTH_PROV &&
+		    sm->eap_fast_prov != BOTH_PROV &&
+		    tlv.request_action == EAP_TLV_ACTION_PROCESS_TLV &&
+		    eap_fast_pac_type(tlv.pac, tlv.pac_len,
+				      PAC_TYPE_TUNNEL_PAC)) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Client is trying to "
+				   "use authenticated provisioning which is "
+				   "disabled");
+			eap_fast_state(data, FAILURE);
+			return;
+		}
+
+		if (data->anon_provisioning ||
+		    (tlv.request_action == EAP_TLV_ACTION_PROCESS_TLV &&
+		     eap_fast_pac_type(tlv.pac, tlv.pac_len,
+				       PAC_TYPE_TUNNEL_PAC))) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Requested a new "
+				   "Tunnel PAC");
+			eap_fast_state(data, REQUEST_PAC);
+		} else if (data->send_new_pac) {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Server triggered "
+				   "re-keying of Tunnel PAC");
+			eap_fast_state(data, REQUEST_PAC);
+		} else if (data->final_result)
+			eap_fast_state(data, SUCCESS);
+	}
+
+	if (tlv.eap_payload_tlv) {
+		eap_fast_process_phase2_eap(sm, data, tlv.eap_payload_tlv,
+					    tlv.eap_payload_tlv_len);
+	}
+}
+
+
+static void eap_fast_process_phase2(struct eap_sm *sm,
+				    struct eap_fast_data *data,
+				    struct wpabuf *in_buf)
+{
+	struct wpabuf *in_decrypted;
+
+	wpa_printf(MSG_DEBUG, "EAP-FAST: Received %lu bytes encrypted data for"
+		   " Phase 2", (unsigned long) wpabuf_len(in_buf));
+
+	if (data->pending_phase2_resp) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Pending Phase 2 response - "
+			   "skip decryption and use old data");
+		eap_fast_process_phase2_tlvs(sm, data,
+					     data->pending_phase2_resp);
+		wpabuf_free(data->pending_phase2_resp);
+		data->pending_phase2_resp = NULL;
+		return;
+	}
+
+	in_decrypted = tls_connection_decrypt(sm->ssl_ctx, data->ssl.conn,
+					      in_buf);
+	if (in_decrypted == NULL) {
+		wpa_printf(MSG_INFO, "EAP-FAST: Failed to decrypt Phase 2 "
+			   "data");
+		eap_fast_state(data, FAILURE);
+		return;
+	}
+
+	wpa_hexdump_buf_key(MSG_DEBUG, "EAP-FAST: Decrypted Phase 2 TLVs",
+			    in_decrypted);
+
+	eap_fast_process_phase2_tlvs(sm, data, in_decrypted);
+
+	if (sm->method_pending == METHOD_PENDING_WAIT) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Phase2 method is in "
+			   "pending wait state - save decrypted response");
+		wpabuf_free(data->pending_phase2_resp);
+		data->pending_phase2_resp = in_decrypted;
+		return;
+	}
+
+	wpabuf_free(in_decrypted);
+}
+
+
+static int eap_fast_process_version(struct eap_sm *sm, void *priv,
+				    int peer_version)
+{
+	struct eap_fast_data *data = priv;
+
+	data->peer_version = peer_version;
+
+	if (data->force_version >= 0 && peer_version != data->force_version) {
+		wpa_printf(MSG_INFO, "EAP-FAST: peer did not select the forced"
+			   " version (forced=%d peer=%d) - reject",
+			   data->force_version, peer_version);
+		return -1;
+	}
+
+	if (peer_version < data->fast_version) {
+		wpa_printf(MSG_DEBUG, "EAP-FAST: peer ver=%d, own ver=%d; "
+			   "use version %d",
+			   peer_version, data->fast_version, peer_version);
+		data->fast_version = peer_version;
+	}
+
+	return 0;
+}
+
+
+static int eap_fast_process_phase1(struct eap_sm *sm,
+				   struct eap_fast_data *data)
+{
+	if (eap_server_tls_phase1(sm, &data->ssl) < 0) {
+		wpa_printf(MSG_INFO, "EAP-FAST: TLS processing failed");
+		eap_fast_state(data, FAILURE);
+		return -1;
+	}
+
+	if (!tls_connection_established(sm->ssl_ctx, data->ssl.conn) ||
+	    wpabuf_len(data->ssl.tls_out) > 0)
+		return 1;
+
+	/*
+	 * Phase 1 was completed with the received message (e.g., when using
+	 * abbreviated handshake), so Phase 2 can be started immediately
+	 * without having to send through an empty message to the peer.
+	 */
+
+	return eap_fast_phase1_done(sm, data);
+}
+
+
+static int eap_fast_process_phase2_start(struct eap_sm *sm,
+					 struct eap_fast_data *data)
+{
+	u8 next_type;
+
+	if (data->identity) {
+		os_free(sm->identity);
+		sm->identity = data->identity;
+		data->identity = NULL;
+		sm->identity_len = data->identity_len;
+		data->identity_len = 0;
+		sm->require_identity_match = 1;
+		if (eap_user_get(sm, sm->identity, sm->identity_len, 1) != 0) {
+			wpa_hexdump_ascii(MSG_DEBUG, "EAP-FAST: "
+					  "Phase2 Identity not found "
+					  "in the user database",
+					  sm->identity, sm->identity_len);
+			next_type = eap_fast_req_failure(sm, data);
+		} else {
+			wpa_printf(MSG_DEBUG, "EAP-FAST: Identity already "
+				   "known - skip Phase 2 Identity Request");
+			next_type = sm->user->methods[0].method;
+			sm->user_eap_method_index = 1;
+		}
+
+		eap_fast_state(data, PHASE2_METHOD);
+	} else {
+		eap_fast_state(data, PHASE2_ID);
+		next_type = EAP_TYPE_IDENTITY;
+	}
+
+	return eap_fast_phase2_init(sm, data, next_type);
+}
+
+
+static void eap_fast_process_msg(struct eap_sm *sm, void *priv,
+				 const struct wpabuf *respData)
+{
+	struct eap_fast_data *data = priv;
+
+	switch (data->state) {
+	case PHASE1:
+		if (eap_fast_process_phase1(sm, data))
+			break;
+
+		/* fall through to PHASE2_START */
+	case PHASE2_START:
+		eap_fast_process_phase2_start(sm, data);
+		break;
+	case PHASE2_ID:
+	case PHASE2_METHOD:
+	case CRYPTO_BINDING:
+	case REQUEST_PAC:
+		eap_fast_process_phase2(sm, data, data->ssl.tls_in);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-FAST: Unexpected state %d in %s",
+			   data->state, __func__);
+		break;
+	}
+}
+
+
+static void eap_fast_process(struct eap_sm *sm, void *priv,
+			     struct wpabuf *respData)
+{
+	struct eap_fast_data *data = priv;
+	if (eap_server_tls_process(sm, &data->ssl, respData, data,
+				   EAP_TYPE_FAST, eap_fast_process_version,
+				   eap_fast_process_msg) < 0)
+		eap_fast_state(data, FAILURE);
+}
+
+
+static Boolean eap_fast_isDone(struct eap_sm *sm, void *priv)
+{
+	struct eap_fast_data *data = priv;
+	return data->state == SUCCESS || data->state == FAILURE;
+}
+
+
+static u8 * eap_fast_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_fast_data *data = priv;
+	u8 *eapKeyData;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	eapKeyData = os_malloc(EAP_FAST_KEY_LEN);
+	if (eapKeyData == NULL)
+		return NULL;
+
+	eap_fast_derive_eap_msk(data->simck, eapKeyData);
+	*len = EAP_FAST_KEY_LEN;
+
+	return eapKeyData;
+}
+
+
+static u8 * eap_fast_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_fast_data *data = priv;
+	u8 *eapKeyData;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	eapKeyData = os_malloc(EAP_EMSK_LEN);
+	if (eapKeyData == NULL)
+		return NULL;
+
+	eap_fast_derive_eap_emsk(data->simck, eapKeyData);
+	*len = EAP_EMSK_LEN;
+
+	return eapKeyData;
+}
+
+
+static Boolean eap_fast_isSuccess(struct eap_sm *sm, void *priv)
+{
+	struct eap_fast_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+int eap_server_fast_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_IETF, EAP_TYPE_FAST, "FAST");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_fast_init;
+	eap->reset = eap_fast_reset;
+	eap->buildReq = eap_fast_buildReq;
+	eap->check = eap_fast_check;
+	eap->process = eap_fast_process;
+	eap->isDone = eap_fast_isDone;
+	eap->getKey = eap_fast_getKey;
+	eap->get_emsk = eap_fast_get_emsk;
+	eap->isSuccess = eap_fast_isSuccess;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_server/eap_server_gpsk.c b/src/eap_server/eap_server_gpsk.c
new file mode 100644
index 0000000..a794806
--- /dev/null
+++ b/src/eap_server/eap_server_gpsk.c
@@ -0,0 +1,634 @@
+/*
+ * hostapd / EAP-GPSK (RFC 5433) server
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/random.h"
+#include "eap_server/eap_i.h"
+#include "eap_common/eap_gpsk_common.h"
+
+
+struct eap_gpsk_data {
+	enum { GPSK_1, GPSK_3, SUCCESS, FAILURE } state;
+	u8 rand_server[EAP_GPSK_RAND_LEN];
+	u8 rand_peer[EAP_GPSK_RAND_LEN];
+	u8 msk[EAP_MSK_LEN];
+	u8 emsk[EAP_EMSK_LEN];
+	u8 sk[EAP_GPSK_MAX_SK_LEN];
+	size_t sk_len;
+	u8 pk[EAP_GPSK_MAX_PK_LEN];
+	size_t pk_len;
+	u8 *id_peer;
+	size_t id_peer_len;
+	u8 *id_server;
+	size_t id_server_len;
+#define MAX_NUM_CSUITES 2
+	struct eap_gpsk_csuite csuite_list[MAX_NUM_CSUITES];
+	size_t csuite_count;
+	int vendor; /* CSuite/Vendor */
+	int specifier; /* CSuite/Specifier */
+};
+
+
+static const char * eap_gpsk_state_txt(int state)
+{
+	switch (state) {
+	case GPSK_1:
+		return "GPSK-1";
+	case GPSK_3:
+		return "GPSK-3";
+	case SUCCESS:
+		return "SUCCESS";
+	case FAILURE:
+		return "FAILURE";
+	default:
+		return "?";
+	}
+}
+
+
+static void eap_gpsk_state(struct eap_gpsk_data *data, int state)
+{
+	wpa_printf(MSG_DEBUG, "EAP-GPSK: %s -> %s",
+		   eap_gpsk_state_txt(data->state),
+		   eap_gpsk_state_txt(state));
+	data->state = state;
+}
+
+
+static void * eap_gpsk_init(struct eap_sm *sm)
+{
+	struct eap_gpsk_data *data;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = GPSK_1;
+
+	/* TODO: add support for configuring ID_Server */
+	data->id_server = (u8 *) os_strdup("hostapd");
+	if (data->id_server)
+		data->id_server_len = os_strlen((char *) data->id_server);
+
+	data->csuite_count = 0;
+	if (eap_gpsk_supported_ciphersuite(EAP_GPSK_VENDOR_IETF,
+					   EAP_GPSK_CIPHER_AES)) {
+		WPA_PUT_BE32(data->csuite_list[data->csuite_count].vendor,
+			     EAP_GPSK_VENDOR_IETF);
+		WPA_PUT_BE16(data->csuite_list[data->csuite_count].specifier,
+			     EAP_GPSK_CIPHER_AES);
+		data->csuite_count++;
+	}
+	if (eap_gpsk_supported_ciphersuite(EAP_GPSK_VENDOR_IETF,
+					   EAP_GPSK_CIPHER_SHA256)) {
+		WPA_PUT_BE32(data->csuite_list[data->csuite_count].vendor,
+			     EAP_GPSK_VENDOR_IETF);
+		WPA_PUT_BE16(data->csuite_list[data->csuite_count].specifier,
+			     EAP_GPSK_CIPHER_SHA256);
+		data->csuite_count++;
+	}
+
+	return data;
+}
+
+
+static void eap_gpsk_reset(struct eap_sm *sm, void *priv)
+{
+	struct eap_gpsk_data *data = priv;
+	os_free(data->id_server);
+	os_free(data->id_peer);
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_gpsk_build_gpsk_1(struct eap_sm *sm,
+					     struct eap_gpsk_data *data, u8 id)
+{
+	size_t len;
+	struct wpabuf *req;
+
+	wpa_printf(MSG_DEBUG, "EAP-GPSK: Request/GPSK-1");
+
+	if (random_get_bytes(data->rand_server, EAP_GPSK_RAND_LEN)) {
+		wpa_printf(MSG_ERROR, "EAP-GPSK: Failed to get random data");
+		eap_gpsk_state(data, FAILURE);
+		return NULL;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "EAP-GPSK: RAND_Server",
+		    data->rand_server, EAP_GPSK_RAND_LEN);
+
+	len = 1 + 2 + data->id_server_len + EAP_GPSK_RAND_LEN + 2 +
+		data->csuite_count * sizeof(struct eap_gpsk_csuite);
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_GPSK, len,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-GPSK: Failed to allocate memory "
+			   "for request/GPSK-1");
+		eap_gpsk_state(data, FAILURE);
+		return NULL;
+	}
+
+	wpabuf_put_u8(req, EAP_GPSK_OPCODE_GPSK_1);
+	wpabuf_put_be16(req, data->id_server_len);
+	wpabuf_put_data(req, data->id_server, data->id_server_len);
+	wpabuf_put_data(req, data->rand_server, EAP_GPSK_RAND_LEN);
+	wpabuf_put_be16(req,
+			data->csuite_count * sizeof(struct eap_gpsk_csuite));
+	wpabuf_put_data(req, data->csuite_list,
+			data->csuite_count * sizeof(struct eap_gpsk_csuite));
+
+	return req;
+}
+
+
+static struct wpabuf * eap_gpsk_build_gpsk_3(struct eap_sm *sm,
+					     struct eap_gpsk_data *data, u8 id)
+{
+	u8 *pos, *start;
+	size_t len, miclen;
+	struct eap_gpsk_csuite *csuite;
+	struct wpabuf *req;
+
+	wpa_printf(MSG_DEBUG, "EAP-GPSK: Request/GPSK-3");
+
+	miclen = eap_gpsk_mic_len(data->vendor, data->specifier);
+	len = 1 + 2 * EAP_GPSK_RAND_LEN + 2 + data->id_server_len +
+		sizeof(struct eap_gpsk_csuite) + 2 + miclen;
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_GPSK, len,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-GPSK: Failed to allocate memory "
+			   "for request/GPSK-3");
+		eap_gpsk_state(data, FAILURE);
+		return NULL;
+	}
+
+	wpabuf_put_u8(req, EAP_GPSK_OPCODE_GPSK_3);
+	start = wpabuf_put(req, 0);
+
+	wpabuf_put_data(req, data->rand_peer, EAP_GPSK_RAND_LEN);
+	wpabuf_put_data(req, data->rand_server, EAP_GPSK_RAND_LEN);
+	wpabuf_put_be16(req, data->id_server_len);
+	wpabuf_put_data(req, data->id_server, data->id_server_len);
+	csuite = wpabuf_put(req, sizeof(*csuite));
+	WPA_PUT_BE32(csuite->vendor, data->vendor);
+	WPA_PUT_BE16(csuite->specifier, data->specifier);
+
+	/* no PD_Payload_2 */
+	wpabuf_put_be16(req, 0);
+
+	pos = wpabuf_put(req, miclen);
+	if (eap_gpsk_compute_mic(data->sk, data->sk_len, data->vendor,
+				 data->specifier, start, pos - start, pos) < 0)
+	{
+		os_free(req);
+		eap_gpsk_state(data, FAILURE);
+		return NULL;
+	}
+
+	return req;
+}
+
+
+static struct wpabuf * eap_gpsk_buildReq(struct eap_sm *sm, void *priv, u8 id)
+{
+	struct eap_gpsk_data *data = priv;
+
+	switch (data->state) {
+	case GPSK_1:
+		return eap_gpsk_build_gpsk_1(sm, data, id);
+	case GPSK_3:
+		return eap_gpsk_build_gpsk_3(sm, data, id);
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Unknown state %d in buildReq",
+			   data->state);
+		break;
+	}
+	return NULL;
+}
+
+
+static Boolean eap_gpsk_check(struct eap_sm *sm, void *priv,
+			      struct wpabuf *respData)
+{
+	struct eap_gpsk_data *data = priv;
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_GPSK, respData, &len);
+	if (pos == NULL || len < 1) {
+		wpa_printf(MSG_INFO, "EAP-GPSK: Invalid frame");
+		return TRUE;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-GPSK: Received frame: opcode=%d", *pos);
+
+	if (data->state == GPSK_1 && *pos == EAP_GPSK_OPCODE_GPSK_2)
+		return FALSE;
+
+	if (data->state == GPSK_3 && *pos == EAP_GPSK_OPCODE_GPSK_4)
+		return FALSE;
+
+	wpa_printf(MSG_INFO, "EAP-GPSK: Unexpected opcode=%d in state=%d",
+		   *pos, data->state);
+
+	return TRUE;
+}
+
+
+static void eap_gpsk_process_gpsk_2(struct eap_sm *sm,
+				    struct eap_gpsk_data *data,
+				    const u8 *payload, size_t payloadlen)
+{
+	const u8 *pos, *end;
+	u16 alen;
+	const struct eap_gpsk_csuite *csuite;
+	size_t i, miclen;
+	u8 mic[EAP_GPSK_MAX_MIC_LEN];
+
+	if (data->state != GPSK_1)
+		return;
+
+	wpa_printf(MSG_DEBUG, "EAP-GPSK: Received Response/GPSK-2");
+
+	pos = payload;
+	end = payload + payloadlen;
+
+	if (end - pos < 2) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for "
+			   "ID_Peer length");
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	alen = WPA_GET_BE16(pos);
+	pos += 2;
+	if (end - pos < alen) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for "
+			   "ID_Peer");
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	os_free(data->id_peer);
+	data->id_peer = os_malloc(alen);
+	if (data->id_peer == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Not enough memory to store "
+			   "%d-octet ID_Peer", alen);
+		return;
+	}
+	os_memcpy(data->id_peer, pos, alen);
+	data->id_peer_len = alen;
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-GPSK: ID_Peer",
+			  data->id_peer, data->id_peer_len);
+	pos += alen;
+
+	if (end - pos < 2) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for "
+			   "ID_Server length");
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	alen = WPA_GET_BE16(pos);
+	pos += 2;
+	if (end - pos < alen) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for "
+			   "ID_Server");
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	if (alen != data->id_server_len ||
+	    os_memcmp(pos, data->id_server, alen) != 0) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: ID_Server in GPSK-1 and "
+			   "GPSK-2 did not match");
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	pos += alen;
+
+	if (end - pos < EAP_GPSK_RAND_LEN) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for "
+			   "RAND_Peer");
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	os_memcpy(data->rand_peer, pos, EAP_GPSK_RAND_LEN);
+	wpa_hexdump(MSG_DEBUG, "EAP-GPSK: RAND_Peer",
+		    data->rand_peer, EAP_GPSK_RAND_LEN);
+	pos += EAP_GPSK_RAND_LEN;
+
+	if (end - pos < EAP_GPSK_RAND_LEN) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for "
+			   "RAND_Server");
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	if (os_memcmp(data->rand_server, pos, EAP_GPSK_RAND_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: RAND_Server in GPSK-1 and "
+			   "GPSK-2 did not match");
+		wpa_hexdump(MSG_DEBUG, "EAP-GPSK: RAND_Server in GPSK-1",
+			    data->rand_server, EAP_GPSK_RAND_LEN);
+		wpa_hexdump(MSG_DEBUG, "EAP-GPSK: RAND_Server in GPSK-2",
+			    pos, EAP_GPSK_RAND_LEN);
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	pos += EAP_GPSK_RAND_LEN;
+
+	if (end - pos < 2) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for "
+			   "CSuite_List length");
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	alen = WPA_GET_BE16(pos);
+	pos += 2;
+	if (end - pos < alen) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for "
+			   "CSuite_List");
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	if (alen != data->csuite_count * sizeof(struct eap_gpsk_csuite) ||
+	    os_memcmp(pos, data->csuite_list, alen) != 0) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: CSuite_List in GPSK-1 and "
+			   "GPSK-2 did not match");
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	pos += alen;
+
+	if (end - pos < (int) sizeof(*csuite)) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for "
+			   "CSuite_Sel");
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	csuite = (const struct eap_gpsk_csuite *) pos;
+	for (i = 0; i < data->csuite_count; i++) {
+		if (os_memcmp(csuite, &data->csuite_list[i], sizeof(*csuite))
+		    == 0)
+			break;
+	}
+	if (i == data->csuite_count) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Peer selected unsupported "
+			   "ciphersuite %d:%d",
+			   WPA_GET_BE32(csuite->vendor),
+			   WPA_GET_BE16(csuite->specifier));
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	data->vendor = WPA_GET_BE32(csuite->vendor);
+	data->specifier = WPA_GET_BE16(csuite->specifier);
+	wpa_printf(MSG_DEBUG, "EAP-GPSK: CSuite_Sel %d:%d",
+		   data->vendor, data->specifier);
+	pos += sizeof(*csuite);	
+
+	if (end - pos < 2) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for "
+			   "PD_Payload_1 length");
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	alen = WPA_GET_BE16(pos);
+	pos += 2;
+	if (end - pos < alen) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for "
+			   "PD_Payload_1");
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	wpa_hexdump(MSG_DEBUG, "EAP-GPSK: PD_Payload_1", pos, alen);
+	pos += alen;
+
+	if (sm->user == NULL || sm->user->password == NULL) {
+		wpa_printf(MSG_INFO, "EAP-GPSK: No PSK/password configured "
+			   "for the user");
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+
+	if (eap_gpsk_derive_keys(sm->user->password, sm->user->password_len,
+				 data->vendor, data->specifier,
+				 data->rand_peer, data->rand_server,
+				 data->id_peer, data->id_peer_len,
+				 data->id_server, data->id_server_len,
+				 data->msk, data->emsk,
+				 data->sk, &data->sk_len,
+				 data->pk, &data->pk_len) < 0) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Failed to derive keys");
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+
+	miclen = eap_gpsk_mic_len(data->vendor, data->specifier);
+	if (end - pos < (int) miclen) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Message too short for MIC "
+			   "(left=%lu miclen=%lu)",
+			   (unsigned long) (end - pos),
+			   (unsigned long) miclen);
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	if (eap_gpsk_compute_mic(data->sk, data->sk_len, data->vendor,
+				 data->specifier, payload, pos - payload, mic)
+	    < 0) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Failed to compute MIC");
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	if (os_memcmp(mic, pos, miclen) != 0) {
+		wpa_printf(MSG_INFO, "EAP-GPSK: Incorrect MIC in GPSK-2");
+		wpa_hexdump(MSG_DEBUG, "EAP-GPSK: Received MIC", pos, miclen);
+		wpa_hexdump(MSG_DEBUG, "EAP-GPSK: Computed MIC", mic, miclen);
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	pos += miclen;
+
+	if (pos != end) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Ignored %lu bytes of extra "
+			   "data in the end of GPSK-2",
+			   (unsigned long) (end - pos));
+	}
+
+	eap_gpsk_state(data, GPSK_3);
+}
+
+
+static void eap_gpsk_process_gpsk_4(struct eap_sm *sm,
+				    struct eap_gpsk_data *data,
+				    const u8 *payload, size_t payloadlen)
+{
+	const u8 *pos, *end;
+	u16 alen;
+	size_t miclen;
+	u8 mic[EAP_GPSK_MAX_MIC_LEN];
+
+	if (data->state != GPSK_3)
+		return;
+
+	wpa_printf(MSG_DEBUG, "EAP-GPSK: Received Response/GPSK-4");
+
+	pos = payload;
+	end = payload + payloadlen;
+
+	if (end - pos < 2) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for "
+			   "PD_Payload_1 length");
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	alen = WPA_GET_BE16(pos);
+	pos += 2;
+	if (end - pos < alen) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for "
+			   "PD_Payload_1");
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	wpa_hexdump(MSG_DEBUG, "EAP-GPSK: PD_Payload_1", pos, alen);
+	pos += alen;
+
+	miclen = eap_gpsk_mic_len(data->vendor, data->specifier);
+	if (end - pos < (int) miclen) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Message too short for MIC "
+			   "(left=%lu miclen=%lu)",
+			   (unsigned long) (end - pos),
+			   (unsigned long) miclen);
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	if (eap_gpsk_compute_mic(data->sk, data->sk_len, data->vendor,
+				 data->specifier, payload, pos - payload, mic)
+	    < 0) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Failed to compute MIC");
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	if (os_memcmp(mic, pos, miclen) != 0) {
+		wpa_printf(MSG_INFO, "EAP-GPSK: Incorrect MIC in GPSK-4");
+		wpa_hexdump(MSG_DEBUG, "EAP-GPSK: Received MIC", pos, miclen);
+		wpa_hexdump(MSG_DEBUG, "EAP-GPSK: Computed MIC", mic, miclen);
+		eap_gpsk_state(data, FAILURE);
+		return;
+	}
+	pos += miclen;
+
+	if (pos != end) {
+		wpa_printf(MSG_DEBUG, "EAP-GPSK: Ignored %lu bytes of extra "
+			   "data in the end of GPSK-4",
+			   (unsigned long) (end - pos));
+	}
+
+	eap_gpsk_state(data, SUCCESS);
+}
+
+
+static void eap_gpsk_process(struct eap_sm *sm, void *priv,
+			     struct wpabuf *respData)
+{
+	struct eap_gpsk_data *data = priv;
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_GPSK, respData, &len);
+	if (pos == NULL || len < 1)
+		return;
+
+	switch (*pos) {
+	case EAP_GPSK_OPCODE_GPSK_2:
+		eap_gpsk_process_gpsk_2(sm, data, pos + 1, len - 1);
+		break;
+	case EAP_GPSK_OPCODE_GPSK_4:
+		eap_gpsk_process_gpsk_4(sm, data, pos + 1, len - 1);
+		break;
+	}
+}
+
+
+static Boolean eap_gpsk_isDone(struct eap_sm *sm, void *priv)
+{
+	struct eap_gpsk_data *data = priv;
+	return data->state == SUCCESS || data->state == FAILURE;
+}
+
+
+static u8 * eap_gpsk_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_gpsk_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_MSK_LEN);
+	if (key == NULL)
+		return NULL;
+	os_memcpy(key, data->msk, EAP_MSK_LEN);
+	*len = EAP_MSK_LEN;
+
+	return key;
+}
+
+
+static u8 * eap_gpsk_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_gpsk_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_EMSK_LEN);
+	if (key == NULL)
+		return NULL;
+	os_memcpy(key, data->emsk, EAP_EMSK_LEN);
+	*len = EAP_EMSK_LEN;
+
+	return key;
+}
+
+
+static Boolean eap_gpsk_isSuccess(struct eap_sm *sm, void *priv)
+{
+	struct eap_gpsk_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+int eap_server_gpsk_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_IETF, EAP_TYPE_GPSK, "GPSK");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_gpsk_init;
+	eap->reset = eap_gpsk_reset;
+	eap->buildReq = eap_gpsk_buildReq;
+	eap->check = eap_gpsk_check;
+	eap->process = eap_gpsk_process;
+	eap->isDone = eap_gpsk_isDone;
+	eap->getKey = eap_gpsk_getKey;
+	eap->isSuccess = eap_gpsk_isSuccess;
+	eap->get_emsk = eap_gpsk_get_emsk;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_server/eap_server_gtc.c b/src/eap_server/eap_server_gtc.c
new file mode 100644
index 0000000..79b9696
--- /dev/null
+++ b/src/eap_server/eap_server_gtc.c
@@ -0,0 +1,230 @@
+/*
+ * hostapd / EAP-GTC (RFC 3748)
+ * Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eap_i.h"
+
+
+struct eap_gtc_data {
+	enum { CONTINUE, SUCCESS, FAILURE } state;
+	int prefix;
+};
+
+
+static void * eap_gtc_init(struct eap_sm *sm)
+{
+	struct eap_gtc_data *data;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = CONTINUE;
+
+#ifdef EAP_SERVER_FAST
+	if (sm->m && sm->m->vendor == EAP_VENDOR_IETF &&
+	    sm->m->method == EAP_TYPE_FAST) {
+		wpa_printf(MSG_DEBUG, "EAP-GTC: EAP-FAST tunnel - use prefix "
+			   "with challenge/response");
+		data->prefix = 1;
+	}
+#endif /* EAP_SERVER_FAST */
+
+	return data;
+}
+
+
+static void eap_gtc_reset(struct eap_sm *sm, void *priv)
+{
+	struct eap_gtc_data *data = priv;
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_gtc_buildReq(struct eap_sm *sm, void *priv, u8 id)
+{
+	struct eap_gtc_data *data = priv;
+	struct wpabuf *req;
+	char *msg;
+	size_t msg_len;
+
+	msg = data->prefix ? "CHALLENGE=Password" : "Password";
+
+	msg_len = os_strlen(msg);
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_GTC, msg_len,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-GTC: Failed to allocate memory for "
+			   "request");
+		data->state = FAILURE;
+		return NULL;
+	}
+
+	wpabuf_put_data(req, msg, msg_len);
+
+	data->state = CONTINUE;
+
+	return req;
+}
+
+
+static Boolean eap_gtc_check(struct eap_sm *sm, void *priv,
+			     struct wpabuf *respData)
+{
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_GTC, respData, &len);
+	if (pos == NULL || len < 1) {
+		wpa_printf(MSG_INFO, "EAP-GTC: Invalid frame");
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+static void eap_gtc_process(struct eap_sm *sm, void *priv,
+			    struct wpabuf *respData)
+{
+	struct eap_gtc_data *data = priv;
+	const u8 *pos;
+	size_t rlen;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_GTC, respData, &rlen);
+	if (pos == NULL || rlen < 1)
+		return; /* Should not happen - frame already validated */
+
+	wpa_hexdump_ascii_key(MSG_MSGDUMP, "EAP-GTC: Response", pos, rlen);
+
+#ifdef EAP_SERVER_FAST
+	if (data->prefix) {
+		const u8 *pos2, *end;
+		/* "RESPONSE=<user>\0<password>" */
+		if (rlen < 10) {
+			wpa_printf(MSG_DEBUG, "EAP-GTC: Too short response "
+				   "for EAP-FAST prefix");
+			data->state = FAILURE;
+			return;
+		}
+
+		end = pos + rlen;
+		pos += 9;
+		pos2 = pos;
+		while (pos2 < end && *pos2)
+			pos2++;
+		if (pos2 == end) {
+			wpa_printf(MSG_DEBUG, "EAP-GTC: No password in "
+				   "response to EAP-FAST prefix");
+			data->state = FAILURE;
+			return;
+		}
+
+		wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-GTC: Response user",
+				  pos, pos2 - pos);
+		if (sm->identity && sm->require_identity_match &&
+		    (pos2 - pos != (int) sm->identity_len ||
+		     os_memcmp(pos, sm->identity, sm->identity_len))) {
+			wpa_printf(MSG_DEBUG, "EAP-GTC: Phase 2 Identity did "
+				   "not match with required Identity");
+			wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-GTC: Expected "
+					  "identity",
+					  sm->identity, sm->identity_len);
+			data->state = FAILURE;
+			return;
+		} else {
+			os_free(sm->identity);
+			sm->identity_len = pos2 - pos;
+			sm->identity = os_malloc(sm->identity_len);
+			if (sm->identity == NULL) {
+				data->state = FAILURE;
+				return;
+			}
+			os_memcpy(sm->identity, pos, sm->identity_len);
+		}
+
+		if (eap_user_get(sm, sm->identity, sm->identity_len, 1) != 0) {
+			wpa_hexdump_ascii(MSG_DEBUG, "EAP-GTC: Phase2 "
+					  "Identity not found in the user "
+					  "database",
+					  sm->identity, sm->identity_len);
+			data->state = FAILURE;
+			return;
+		}
+
+		pos = pos2 + 1;
+		rlen = end - pos;
+		wpa_hexdump_ascii_key(MSG_MSGDUMP,
+				      "EAP-GTC: Response password",
+				      pos, rlen);
+	}
+#endif /* EAP_SERVER_FAST */
+
+	if (sm->user == NULL || sm->user->password == NULL ||
+	    sm->user->password_hash) {
+		wpa_printf(MSG_INFO, "EAP-GTC: Plaintext password not "
+			   "configured");
+		data->state = FAILURE;
+		return;
+	}
+
+	if (rlen != sm->user->password_len ||
+	    os_memcmp(pos, sm->user->password, rlen) != 0) {
+		wpa_printf(MSG_DEBUG, "EAP-GTC: Done - Failure");
+		data->state = FAILURE;
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-GTC: Done - Success");
+		data->state = SUCCESS;
+	}
+}
+
+
+static Boolean eap_gtc_isDone(struct eap_sm *sm, void *priv)
+{
+	struct eap_gtc_data *data = priv;
+	return data->state != CONTINUE;
+}
+
+
+static Boolean eap_gtc_isSuccess(struct eap_sm *sm, void *priv)
+{
+	struct eap_gtc_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+int eap_server_gtc_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_IETF, EAP_TYPE_GTC, "GTC");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_gtc_init;
+	eap->reset = eap_gtc_reset;
+	eap->buildReq = eap_gtc_buildReq;
+	eap->check = eap_gtc_check;
+	eap->process = eap_gtc_process;
+	eap->isDone = eap_gtc_isDone;
+	eap->isSuccess = eap_gtc_isSuccess;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_server/eap_server_identity.c b/src/eap_server/eap_server_identity.c
new file mode 100644
index 0000000..cd8da2a
--- /dev/null
+++ b/src/eap_server/eap_server_identity.c
@@ -0,0 +1,180 @@
+/*
+ * hostapd / EAP-Identity
+ * Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eap_i.h"
+
+
+struct eap_identity_data {
+	enum { CONTINUE, SUCCESS, FAILURE } state;
+	int pick_up;
+};
+
+
+static void * eap_identity_init(struct eap_sm *sm)
+{
+	struct eap_identity_data *data;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = CONTINUE;
+
+	return data;
+}
+
+
+static void * eap_identity_initPickUp(struct eap_sm *sm)
+{
+	struct eap_identity_data *data;
+	data = eap_identity_init(sm);
+	if (data) {
+		data->pick_up = 1;
+	}
+	return data;
+}
+
+
+static void eap_identity_reset(struct eap_sm *sm, void *priv)
+{
+	struct eap_identity_data *data = priv;
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_identity_buildReq(struct eap_sm *sm, void *priv,
+					     u8 id)
+{
+	struct eap_identity_data *data = priv;
+	struct wpabuf *req;
+	const char *req_data;
+	size_t req_data_len;
+
+	if (sm->eapol_cb->get_eap_req_id_text) {
+		req_data = sm->eapol_cb->get_eap_req_id_text(sm->eapol_ctx,
+							     &req_data_len);
+	} else {
+		req_data = NULL;
+		req_data_len = 0;
+	}
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_IDENTITY, req_data_len,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-Identity: Failed to allocate "
+			   "memory for request");
+		data->state = FAILURE;
+		return NULL;
+	}
+
+	wpabuf_put_data(req, req_data, req_data_len);
+
+	return req;
+}
+
+
+static Boolean eap_identity_check(struct eap_sm *sm, void *priv,
+				  struct wpabuf *respData)
+{
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_IDENTITY,
+			       respData, &len);
+	if (pos == NULL) {
+		wpa_printf(MSG_INFO, "EAP-Identity: Invalid frame");
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+static void eap_identity_process(struct eap_sm *sm, void *priv,
+				 struct wpabuf *respData)
+{
+	struct eap_identity_data *data = priv;
+	const u8 *pos;
+	size_t len;
+
+	if (data->pick_up) {
+		if (eap_identity_check(sm, data, respData)) {
+			wpa_printf(MSG_DEBUG, "EAP-Identity: failed to pick "
+				   "up already started negotiation");
+			data->state = FAILURE;
+			return;
+		}
+		data->pick_up = 0;
+	}
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_IDENTITY,
+			       respData, &len);
+	if (pos == NULL)
+		return; /* Should not happen - frame already validated */
+
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-Identity: Peer identity", pos, len);
+	if (sm->identity)
+		sm->update_user = TRUE;
+	os_free(sm->identity);
+	sm->identity = os_malloc(len ? len : 1);
+	if (sm->identity == NULL) {
+		data->state = FAILURE;
+	} else {
+		os_memcpy(sm->identity, pos, len);
+		sm->identity_len = len;
+		data->state = SUCCESS;
+	}
+}
+
+
+static Boolean eap_identity_isDone(struct eap_sm *sm, void *priv)
+{
+	struct eap_identity_data *data = priv;
+	return data->state != CONTINUE;
+}
+
+
+static Boolean eap_identity_isSuccess(struct eap_sm *sm, void *priv)
+{
+	struct eap_identity_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+int eap_server_identity_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_IETF, EAP_TYPE_IDENTITY,
+				      "Identity");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_identity_init;
+	eap->initPickUp = eap_identity_initPickUp;
+	eap->reset = eap_identity_reset;
+	eap->buildReq = eap_identity_buildReq;
+	eap->check = eap_identity_check;
+	eap->process = eap_identity_process;
+	eap->isDone = eap_identity_isDone;
+	eap->isSuccess = eap_identity_isSuccess;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_server/eap_server_ikev2.c b/src/eap_server/eap_server_ikev2.c
new file mode 100644
index 0000000..ec4fa87
--- /dev/null
+++ b/src/eap_server/eap_server_ikev2.c
@@ -0,0 +1,539 @@
+/*
+ * EAP-IKEv2 server (RFC 5106)
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eap_i.h"
+#include "eap_common/eap_ikev2_common.h"
+#include "ikev2.h"
+
+
+struct eap_ikev2_data {
+	struct ikev2_initiator_data ikev2;
+	enum { MSG, FRAG_ACK, WAIT_FRAG_ACK, DONE, FAIL } state;
+	struct wpabuf *in_buf;
+	struct wpabuf *out_buf;
+	size_t out_used;
+	size_t fragment_size;
+	int keys_ready;
+	u8 keymat[EAP_MSK_LEN + EAP_EMSK_LEN];
+	int keymat_ok;
+};
+
+
+static const u8 * eap_ikev2_get_shared_secret(void *ctx, const u8 *IDr,
+					      size_t IDr_len,
+					      size_t *secret_len)
+{
+	struct eap_sm *sm = ctx;
+
+	if (IDr == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: No IDr received - default "
+			   "to user identity from EAP-Identity");
+		IDr = sm->identity;
+		IDr_len = sm->identity_len;
+	}
+
+	if (eap_user_get(sm, IDr, IDr_len, 0) < 0 || sm->user == NULL ||
+	    sm->user->password == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: No user entry found");
+		return NULL;
+	}
+
+	*secret_len = sm->user->password_len;
+	return sm->user->password;
+}
+
+
+static const char * eap_ikev2_state_txt(int state)
+{
+	switch (state) {
+	case MSG:
+		return "MSG";
+	case FRAG_ACK:
+		return "FRAG_ACK";
+	case WAIT_FRAG_ACK:
+		return "WAIT_FRAG_ACK";
+	case DONE:
+		return "DONE";
+	case FAIL:
+		return "FAIL";
+	default:
+		return "?";
+	}
+}
+
+
+static void eap_ikev2_state(struct eap_ikev2_data *data, int state)
+{
+	wpa_printf(MSG_DEBUG, "EAP-IKEV2: %s -> %s",
+		   eap_ikev2_state_txt(data->state),
+		   eap_ikev2_state_txt(state));
+	data->state = state;
+}
+
+
+static void * eap_ikev2_init(struct eap_sm *sm)
+{
+	struct eap_ikev2_data *data;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = MSG;
+	data->fragment_size = sm->fragment_size > 0 ? sm->fragment_size :
+		IKEV2_FRAGMENT_SIZE;
+	data->ikev2.state = SA_INIT;
+	data->ikev2.peer_auth = PEER_AUTH_SECRET;
+	data->ikev2.key_pad = (u8 *) os_strdup("Key Pad for EAP-IKEv2");
+	if (data->ikev2.key_pad == NULL)
+		goto failed;
+	data->ikev2.key_pad_len = 21;
+
+	/* TODO: make proposals configurable */
+	data->ikev2.proposal.proposal_num = 1;
+	data->ikev2.proposal.integ = AUTH_HMAC_SHA1_96;
+	data->ikev2.proposal.prf = PRF_HMAC_SHA1;
+	data->ikev2.proposal.encr = ENCR_AES_CBC;
+	data->ikev2.proposal.dh = DH_GROUP2_1024BIT_MODP;
+
+	data->ikev2.IDi = (u8 *) os_strdup("hostapd");
+	data->ikev2.IDi_len = 7;
+
+	data->ikev2.get_shared_secret = eap_ikev2_get_shared_secret;
+	data->ikev2.cb_ctx = sm;
+
+	return data;
+
+failed:
+	ikev2_initiator_deinit(&data->ikev2);
+	os_free(data);
+	return NULL;
+}
+
+
+static void eap_ikev2_reset(struct eap_sm *sm, void *priv)
+{
+	struct eap_ikev2_data *data = priv;
+	wpabuf_free(data->in_buf);
+	wpabuf_free(data->out_buf);
+	ikev2_initiator_deinit(&data->ikev2);
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_ikev2_build_msg(struct eap_ikev2_data *data, u8 id)
+{
+	struct wpabuf *req;
+	u8 flags;
+	size_t send_len, plen, icv_len = 0;
+
+	wpa_printf(MSG_DEBUG, "EAP-IKEV2: Generating Request");
+
+	flags = 0;
+	send_len = wpabuf_len(data->out_buf) - data->out_used;
+	if (1 + send_len > data->fragment_size) {
+		send_len = data->fragment_size - 1;
+		flags |= IKEV2_FLAGS_MORE_FRAGMENTS;
+		if (data->out_used == 0) {
+			flags |= IKEV2_FLAGS_LENGTH_INCLUDED;
+			send_len -= 4;
+		}
+	}
+
+	plen = 1 + send_len;
+	if (flags & IKEV2_FLAGS_LENGTH_INCLUDED)
+		plen += 4;
+	if (data->keys_ready) {
+		const struct ikev2_integ_alg *integ;
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: Add Integrity Checksum "
+			   "Data");
+		flags |= IKEV2_FLAGS_ICV_INCLUDED;
+		integ = ikev2_get_integ(data->ikev2.proposal.integ);
+		if (integ == NULL) {
+			wpa_printf(MSG_DEBUG, "EAP-IKEV2: Unknown INTEG "
+				   "transform / cannot generate ICV");
+			return NULL;
+		}
+		icv_len = integ->hash_len;
+
+		plen += icv_len;
+	}
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_IKEV2, plen,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL)
+		return NULL;
+
+	wpabuf_put_u8(req, flags); /* Flags */
+	if (flags & IKEV2_FLAGS_LENGTH_INCLUDED)
+		wpabuf_put_be32(req, wpabuf_len(data->out_buf));
+
+	wpabuf_put_data(req, wpabuf_head_u8(data->out_buf) + data->out_used,
+			send_len);
+	data->out_used += send_len;
+
+	if (flags & IKEV2_FLAGS_ICV_INCLUDED) {
+		const u8 *msg = wpabuf_head(req);
+		size_t len = wpabuf_len(req);
+		ikev2_integ_hash(data->ikev2.proposal.integ,
+				 data->ikev2.keys.SK_ai,
+				 data->ikev2.keys.SK_integ_len,
+				 msg, len, wpabuf_put(req, icv_len));
+	}
+
+	if (data->out_used == wpabuf_len(data->out_buf)) {
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: Sending out %lu bytes "
+			   "(message sent completely)",
+			   (unsigned long) send_len);
+		wpabuf_free(data->out_buf);
+		data->out_buf = NULL;
+		data->out_used = 0;
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: Sending out %lu bytes "
+			   "(%lu more to send)", (unsigned long) send_len,
+			   (unsigned long) wpabuf_len(data->out_buf) -
+			   data->out_used);
+		eap_ikev2_state(data, WAIT_FRAG_ACK);
+	}
+
+	return req;
+}
+
+
+static struct wpabuf * eap_ikev2_buildReq(struct eap_sm *sm, void *priv, u8 id)
+{
+	struct eap_ikev2_data *data = priv;
+
+	switch (data->state) {
+	case MSG:
+		if (data->out_buf == NULL) {
+			data->out_buf = ikev2_initiator_build(&data->ikev2);
+			if (data->out_buf == NULL) {
+				wpa_printf(MSG_DEBUG, "EAP-IKEV2: Failed to "
+					   "generate IKEv2 message");
+				return NULL;
+			}
+			data->out_used = 0;
+		}
+		/* pass through */
+	case WAIT_FRAG_ACK:
+		return eap_ikev2_build_msg(data, id);
+	case FRAG_ACK:
+		return eap_ikev2_build_frag_ack(id, EAP_CODE_REQUEST);
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: Unexpected state %d in "
+			   "buildReq", data->state);
+		return NULL;
+	}
+}
+
+
+static Boolean eap_ikev2_check(struct eap_sm *sm, void *priv,
+			       struct wpabuf *respData)
+{
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_IKEV2, respData,
+			       &len);
+	if (pos == NULL) {
+		wpa_printf(MSG_INFO, "EAP-IKEV2: Invalid frame");
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+static int eap_ikev2_process_icv(struct eap_ikev2_data *data,
+				 const struct wpabuf *respData,
+				 u8 flags, const u8 *pos, const u8 **end)
+{
+	if (flags & IKEV2_FLAGS_ICV_INCLUDED) {
+		int icv_len = eap_ikev2_validate_icv(
+			data->ikev2.proposal.integ, &data->ikev2.keys, 0,
+			respData, pos, *end);
+		if (icv_len < 0)
+			return -1;
+		/* Hide Integrity Checksum Data from further processing */
+		*end -= icv_len;
+	} else if (data->keys_ready) {
+		wpa_printf(MSG_INFO, "EAP-IKEV2: The message should have "
+			   "included integrity checksum");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int eap_ikev2_process_cont(struct eap_ikev2_data *data,
+				  const u8 *buf, size_t len)
+{
+	/* Process continuation of a pending message */
+	if (len > wpabuf_tailroom(data->in_buf)) {
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: Fragment overflow");
+		eap_ikev2_state(data, FAIL);
+		return -1;
+	}
+
+	wpabuf_put_data(data->in_buf, buf, len);
+	wpa_printf(MSG_DEBUG, "EAP-IKEV2: Received %lu bytes, waiting for %lu "
+		   "bytes more", (unsigned long) len,
+		   (unsigned long) wpabuf_tailroom(data->in_buf));
+
+	return 0;
+}
+
+
+static int eap_ikev2_process_fragment(struct eap_ikev2_data *data,
+				      u8 flags, u32 message_length,
+				      const u8 *buf, size_t len)
+{
+	/* Process a fragment that is not the last one of the message */
+	if (data->in_buf == NULL && !(flags & IKEV2_FLAGS_LENGTH_INCLUDED)) {
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: No Message Length field in "
+			   "a fragmented packet");
+		return -1;
+	}
+
+	if (data->in_buf == NULL) {
+		/* First fragment of the message */
+		data->in_buf = wpabuf_alloc(message_length);
+		if (data->in_buf == NULL) {
+			wpa_printf(MSG_DEBUG, "EAP-IKEV2: No memory for "
+				   "message");
+			return -1;
+		}
+		wpabuf_put_data(data->in_buf, buf, len);
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: Received %lu bytes in first "
+			   "fragment, waiting for %lu bytes more",
+			   (unsigned long) len,
+			   (unsigned long) wpabuf_tailroom(data->in_buf));
+	}
+
+	return 0;
+}
+
+
+static int eap_ikev2_server_keymat(struct eap_ikev2_data *data)
+{
+	if (eap_ikev2_derive_keymat(
+		    data->ikev2.proposal.prf, &data->ikev2.keys,
+		    data->ikev2.i_nonce, data->ikev2.i_nonce_len,
+		    data->ikev2.r_nonce, data->ikev2.r_nonce_len,
+		    data->keymat) < 0) {
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: Failed to derive "
+			   "key material");
+		return -1;
+	}
+	data->keymat_ok = 1;
+	return 0;
+}
+
+
+static void eap_ikev2_process(struct eap_sm *sm, void *priv,
+			      struct wpabuf *respData)
+{
+	struct eap_ikev2_data *data = priv;
+	const u8 *start, *pos, *end;
+	size_t len;
+	u8 flags;
+	u32 message_length = 0;
+	struct wpabuf tmpbuf;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_IKEV2, respData,
+			       &len);
+	if (pos == NULL)
+		return; /* Should not happen; message already verified */
+
+	start = pos;
+	end = start + len;
+
+	if (len == 0) {
+		/* fragment ack */
+		flags = 0;
+	} else
+		flags = *pos++;
+
+	if (eap_ikev2_process_icv(data, respData, flags, pos, &end) < 0) {
+		eap_ikev2_state(data, FAIL);
+		return;
+	}
+
+	if (flags & IKEV2_FLAGS_LENGTH_INCLUDED) {
+		if (end - pos < 4) {
+			wpa_printf(MSG_DEBUG, "EAP-IKEV2: Message underflow");
+			eap_ikev2_state(data, FAIL);
+			return;
+		}
+		message_length = WPA_GET_BE32(pos);
+		pos += 4;
+
+		if (message_length < (u32) (end - pos)) {
+			wpa_printf(MSG_DEBUG, "EAP-IKEV2: Invalid Message "
+				   "Length (%d; %ld remaining in this msg)",
+				   message_length, (long) (end - pos));
+			eap_ikev2_state(data, FAIL);
+			return;
+		}
+	}
+	wpa_printf(MSG_DEBUG, "EAP-IKEV2: Received packet: Flags 0x%x "
+		   "Message Length %u", flags, message_length);
+
+	if (data->state == WAIT_FRAG_ACK) {
+		if (len != 0) {
+			wpa_printf(MSG_DEBUG, "EAP-IKEV2: Unexpected payload "
+				   "in WAIT_FRAG_ACK state");
+			eap_ikev2_state(data, FAIL);
+			return;
+		}
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: Fragment acknowledged");
+		eap_ikev2_state(data, MSG);
+		return;
+	}
+
+	if (data->in_buf && eap_ikev2_process_cont(data, pos, end - pos) < 0) {
+		eap_ikev2_state(data, FAIL);
+		return;
+	}
+		
+	if (flags & IKEV2_FLAGS_MORE_FRAGMENTS) {
+		if (eap_ikev2_process_fragment(data, flags, message_length,
+					       pos, end - pos) < 0)
+			eap_ikev2_state(data, FAIL);
+		else
+			eap_ikev2_state(data, FRAG_ACK);
+		return;
+	} else if (data->state == FRAG_ACK) {
+		wpa_printf(MSG_DEBUG, "EAP-TNC: All fragments received");
+		data->state = MSG;
+	}
+
+	if (data->in_buf == NULL) {
+		/* Wrap unfragmented messages as wpabuf without extra copy */
+		wpabuf_set(&tmpbuf, pos, end - pos);
+		data->in_buf = &tmpbuf;
+	}
+
+	if (ikev2_initiator_process(&data->ikev2, data->in_buf) < 0) {
+		if (data->in_buf == &tmpbuf)
+			data->in_buf = NULL;
+		eap_ikev2_state(data, FAIL);
+		return;
+	}
+
+	switch (data->ikev2.state) {
+	case SA_AUTH:
+		/* SA_INIT was sent out, so message have to be
+		 * integrity protected from now on. */
+		data->keys_ready = 1;
+		break;
+	case IKEV2_DONE:
+		if (data->state == FAIL)
+			break;
+		wpa_printf(MSG_DEBUG, "EAP-IKEV2: Authentication completed "
+			   "successfully");
+		if (eap_ikev2_server_keymat(data))
+			break;
+		eap_ikev2_state(data, DONE);
+		break;
+	default:
+		break;
+	}
+
+	if (data->in_buf != &tmpbuf)
+		wpabuf_free(data->in_buf);
+	data->in_buf = NULL;
+}
+
+
+static Boolean eap_ikev2_isDone(struct eap_sm *sm, void *priv)
+{
+	struct eap_ikev2_data *data = priv;
+	return data->state == DONE || data->state == FAIL;
+}
+
+
+static Boolean eap_ikev2_isSuccess(struct eap_sm *sm, void *priv)
+{
+	struct eap_ikev2_data *data = priv;
+	return data->state == DONE && data->ikev2.state == IKEV2_DONE &&
+		data->keymat_ok;
+}
+
+
+static u8 * eap_ikev2_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_ikev2_data *data = priv;
+	u8 *key;
+
+	if (data->state != DONE || !data->keymat_ok)
+		return NULL;
+
+	key = os_malloc(EAP_MSK_LEN);
+	if (key) {
+		os_memcpy(key, data->keymat, EAP_MSK_LEN);
+		*len = EAP_MSK_LEN;
+	}
+
+	return key;
+}
+
+
+static u8 * eap_ikev2_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_ikev2_data *data = priv;
+	u8 *key;
+
+	if (data->state != DONE || !data->keymat_ok)
+		return NULL;
+
+	key = os_malloc(EAP_EMSK_LEN);
+	if (key) {
+		os_memcpy(key, data->keymat + EAP_MSK_LEN, EAP_EMSK_LEN);
+		*len = EAP_EMSK_LEN;
+	}
+
+	return key;
+}
+
+
+int eap_server_ikev2_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_IETF, EAP_TYPE_IKEV2,
+				      "IKEV2");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_ikev2_init;
+	eap->reset = eap_ikev2_reset;
+	eap->buildReq = eap_ikev2_buildReq;
+	eap->check = eap_ikev2_check;
+	eap->process = eap_ikev2_process;
+	eap->isDone = eap_ikev2_isDone;
+	eap->getKey = eap_ikev2_getKey;
+	eap->isSuccess = eap_ikev2_isSuccess;
+	eap->get_emsk = eap_ikev2_get_emsk;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_server/eap_server_md5.c b/src/eap_server/eap_server_md5.c
new file mode 100644
index 0000000..d03ec53
--- /dev/null
+++ b/src/eap_server/eap_server_md5.c
@@ -0,0 +1,177 @@
+/*
+ * hostapd / EAP-MD5 server
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/random.h"
+#include "eap_i.h"
+#include "eap_common/chap.h"
+
+
+#define CHALLENGE_LEN 16
+
+struct eap_md5_data {
+	u8 challenge[CHALLENGE_LEN];
+	enum { CONTINUE, SUCCESS, FAILURE } state;
+};
+
+
+static void * eap_md5_init(struct eap_sm *sm)
+{
+	struct eap_md5_data *data;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = CONTINUE;
+
+	return data;
+}
+
+
+static void eap_md5_reset(struct eap_sm *sm, void *priv)
+{
+	struct eap_md5_data *data = priv;
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_md5_buildReq(struct eap_sm *sm, void *priv, u8 id)
+{
+	struct eap_md5_data *data = priv;
+	struct wpabuf *req;
+
+	if (random_get_bytes(data->challenge, CHALLENGE_LEN)) {
+		wpa_printf(MSG_ERROR, "EAP-MD5: Failed to get random data");
+		data->state = FAILURE;
+		return NULL;
+	}
+
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_MD5, 1 + CHALLENGE_LEN,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-MD5: Failed to allocate memory for "
+			   "request");
+		data->state = FAILURE;
+		return NULL;
+	}
+
+	wpabuf_put_u8(req, CHALLENGE_LEN);
+	wpabuf_put_data(req, data->challenge, CHALLENGE_LEN);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-MD5: Challenge", data->challenge,
+		    CHALLENGE_LEN);
+
+	data->state = CONTINUE;
+
+	return req;
+}
+
+
+static Boolean eap_md5_check(struct eap_sm *sm, void *priv,
+			     struct wpabuf *respData)
+{
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_MD5, respData, &len);
+	if (pos == NULL || len < 1) {
+		wpa_printf(MSG_INFO, "EAP-MD5: Invalid frame");
+		return TRUE;
+	}
+	if (*pos != CHAP_MD5_LEN || 1 + CHAP_MD5_LEN > len) {
+		wpa_printf(MSG_INFO, "EAP-MD5: Invalid response "
+			   "(response_len=%d payload_len=%lu",
+			   *pos, (unsigned long) len);
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+static void eap_md5_process(struct eap_sm *sm, void *priv,
+			    struct wpabuf *respData)
+{
+	struct eap_md5_data *data = priv;
+	const u8 *pos;
+	size_t plen;
+	u8 hash[CHAP_MD5_LEN], id;
+
+	if (sm->user == NULL || sm->user->password == NULL ||
+	    sm->user->password_hash) {
+		wpa_printf(MSG_INFO, "EAP-MD5: Plaintext password not "
+			   "configured");
+		data->state = FAILURE;
+		return;
+	}
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_MD5, respData, &plen);
+	if (pos == NULL || *pos != CHAP_MD5_LEN || plen < 1 + CHAP_MD5_LEN)
+		return; /* Should not happen - frame already validated */
+
+	pos++; /* Skip response len */
+	wpa_hexdump(MSG_MSGDUMP, "EAP-MD5: Response", pos, CHAP_MD5_LEN);
+
+	id = eap_get_id(respData);
+	chap_md5(id, sm->user->password, sm->user->password_len,
+		 data->challenge, CHALLENGE_LEN, hash);
+
+	if (os_memcmp(hash, pos, CHAP_MD5_LEN) == 0) {
+		wpa_printf(MSG_DEBUG, "EAP-MD5: Done - Success");
+		data->state = SUCCESS;
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-MD5: Done - Failure");
+		data->state = FAILURE;
+	}
+}
+
+
+static Boolean eap_md5_isDone(struct eap_sm *sm, void *priv)
+{
+	struct eap_md5_data *data = priv;
+	return data->state != CONTINUE;
+}
+
+
+static Boolean eap_md5_isSuccess(struct eap_sm *sm, void *priv)
+{
+	struct eap_md5_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+int eap_server_md5_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_IETF, EAP_TYPE_MD5, "MD5");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_md5_init;
+	eap->reset = eap_md5_reset;
+	eap->buildReq = eap_md5_buildReq;
+	eap->check = eap_md5_check;
+	eap->process = eap_md5_process;
+	eap->isDone = eap_md5_isDone;
+	eap->isSuccess = eap_md5_isSuccess;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_server/eap_server_methods.c b/src/eap_server/eap_server_methods.c
new file mode 100644
index 0000000..900a5dd
--- /dev/null
+++ b/src/eap_server/eap_server_methods.c
@@ -0,0 +1,175 @@
+/*
+ * EAP server method registration
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eap_i.h"
+#include "eap_methods.h"
+
+
+static struct eap_method *eap_methods;
+
+
+/**
+ * eap_server_get_eap_method - Get EAP method based on type number
+ * @vendor: EAP Vendor-Id (0 = IETF)
+ * @method: EAP type number
+ * Returns: Pointer to EAP method or %NULL if not found
+ */
+const struct eap_method * eap_server_get_eap_method(int vendor, EapType method)
+{
+	struct eap_method *m;
+	for (m = eap_methods; m; m = m->next) {
+		if (m->vendor == vendor && m->method == method)
+			return m;
+	}
+	return NULL;
+}
+
+
+/**
+ * eap_server_get_type - Get EAP type for the given EAP method name
+ * @name: EAP method name, e.g., TLS
+ * @vendor: Buffer for returning EAP Vendor-Id
+ * Returns: EAP method type or %EAP_TYPE_NONE if not found
+ *
+ * This function maps EAP type names into EAP type numbers based on the list of
+ * EAP methods included in the build.
+ */
+EapType eap_server_get_type(const char *name, int *vendor)
+{
+	struct eap_method *m;
+	for (m = eap_methods; m; m = m->next) {
+		if (os_strcmp(m->name, name) == 0) {
+			*vendor = m->vendor;
+			return m->method;
+		}
+	}
+	*vendor = EAP_VENDOR_IETF;
+	return EAP_TYPE_NONE;
+}
+
+
+/**
+ * eap_server_method_alloc - Allocate EAP server method structure
+ * @version: Version of the EAP server method interface (set to
+ * EAP_SERVER_METHOD_INTERFACE_VERSION)
+ * @vendor: EAP Vendor-ID (EAP_VENDOR_*) (0 = IETF)
+ * @method: EAP type number (EAP_TYPE_*)
+ * @name: Name of the method (e.g., "TLS")
+ * Returns: Allocated EAP method structure or %NULL on failure
+ *
+ * The returned structure should be freed with eap_server_method_free() when it
+ * is not needed anymore.
+ */
+struct eap_method * eap_server_method_alloc(int version, int vendor,
+					    EapType method, const char *name)
+{
+	struct eap_method *eap;
+	eap = os_zalloc(sizeof(*eap));
+	if (eap == NULL)
+		return NULL;
+	eap->version = version;
+	eap->vendor = vendor;
+	eap->method = method;
+	eap->name = name;
+	return eap;
+}
+
+
+/**
+ * eap_server_method_free - Free EAP server method structure
+ * @method: Method structure allocated with eap_server_method_alloc()
+ */
+void eap_server_method_free(struct eap_method *method)
+{
+	os_free(method);
+}
+
+
+/**
+ * eap_server_method_register - Register an EAP server method
+ * @method: EAP method to register
+ * Returns: 0 on success, -1 on invalid method, or -2 if a matching EAP method
+ * has already been registered
+ *
+ * Each EAP server method needs to call this function to register itself as a
+ * supported EAP method.
+ */
+int eap_server_method_register(struct eap_method *method)
+{
+	struct eap_method *m, *last = NULL;
+
+	if (method == NULL || method->name == NULL ||
+	    method->version != EAP_SERVER_METHOD_INTERFACE_VERSION)
+		return -1;
+
+	for (m = eap_methods; m; m = m->next) {
+		if ((m->vendor == method->vendor &&
+		     m->method == method->method) ||
+		    os_strcmp(m->name, method->name) == 0)
+			return -2;
+		last = m;
+	}
+
+	if (last)
+		last->next = method;
+	else
+		eap_methods = method;
+
+	return 0;
+}
+
+
+/**
+ * eap_server_unregister_methods - Unregister EAP server methods
+ *
+ * This function is called at program termination to unregister all EAP server
+ * methods.
+ */
+void eap_server_unregister_methods(void)
+{
+	struct eap_method *m;
+
+	while (eap_methods) {
+		m = eap_methods;
+		eap_methods = eap_methods->next;
+
+		if (m->free)
+			m->free(m);
+		else
+			eap_server_method_free(m);
+	}
+}
+
+
+/**
+ * eap_server_get_name - Get EAP method name for the given EAP type
+ * @vendor: EAP Vendor-Id (0 = IETF)
+ * @type: EAP method type
+ * Returns: EAP method name, e.g., TLS, or %NULL if not found
+ *
+ * This function maps EAP type numbers into EAP type names based on the list of
+ * EAP methods included in the build.
+ */
+const char * eap_server_get_name(int vendor, EapType type)
+{
+	struct eap_method *m;
+	for (m = eap_methods; m; m = m->next) {
+		if (m->vendor == vendor && m->method == type)
+			return m->name;
+	}
+	return NULL;
+}
diff --git a/src/eap_server/eap_server_mschapv2.c b/src/eap_server/eap_server_mschapv2.c
new file mode 100644
index 0000000..64120a4
--- /dev/null
+++ b/src/eap_server/eap_server_mschapv2.c
@@ -0,0 +1,575 @@
+/*
+ * hostapd / EAP-MSCHAPv2 (draft-kamath-pppext-eap-mschapv2-00.txt) server
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/ms_funcs.h"
+#include "crypto/random.h"
+#include "eap_i.h"
+
+
+struct eap_mschapv2_hdr {
+	u8 op_code; /* MSCHAPV2_OP_* */
+	u8 mschapv2_id; /* must be changed for challenges, but not for
+			 * success/failure */
+	u8 ms_length[2]; /* Note: misaligned; length - 5 */
+	/* followed by data */
+} STRUCT_PACKED;
+
+#define MSCHAPV2_OP_CHALLENGE 1
+#define MSCHAPV2_OP_RESPONSE 2
+#define MSCHAPV2_OP_SUCCESS 3
+#define MSCHAPV2_OP_FAILURE 4
+#define MSCHAPV2_OP_CHANGE_PASSWORD 7
+
+#define MSCHAPV2_RESP_LEN 49
+
+#define ERROR_RESTRICTED_LOGON_HOURS 646
+#define ERROR_ACCT_DISABLED 647
+#define ERROR_PASSWD_EXPIRED 648
+#define ERROR_NO_DIALIN_PERMISSION 649
+#define ERROR_AUTHENTICATION_FAILURE 691
+#define ERROR_CHANGING_PASSWORD 709
+
+#define PASSWD_CHANGE_CHAL_LEN 16
+#define MSCHAPV2_KEY_LEN 16
+
+
+#define CHALLENGE_LEN 16
+
+struct eap_mschapv2_data {
+	u8 auth_challenge[CHALLENGE_LEN];
+	int auth_challenge_from_tls;
+	u8 *peer_challenge;
+	u8 auth_response[20];
+	enum { CHALLENGE, SUCCESS_REQ, FAILURE_REQ, SUCCESS, FAILURE } state;
+	u8 resp_mschapv2_id;
+	u8 master_key[16];
+	int master_key_valid;
+};
+
+
+static void * eap_mschapv2_init(struct eap_sm *sm)
+{
+	struct eap_mschapv2_data *data;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = CHALLENGE;
+
+	if (sm->auth_challenge) {
+		os_memcpy(data->auth_challenge, sm->auth_challenge,
+			  CHALLENGE_LEN);
+		data->auth_challenge_from_tls = 1;
+	}
+
+	if (sm->peer_challenge) {
+		data->peer_challenge = os_malloc(CHALLENGE_LEN);
+		if (data->peer_challenge == NULL) {
+			os_free(data);
+			return NULL;
+		}
+		os_memcpy(data->peer_challenge, sm->peer_challenge,
+			  CHALLENGE_LEN);
+	}
+
+	return data;
+}
+
+
+static void eap_mschapv2_reset(struct eap_sm *sm, void *priv)
+{
+	struct eap_mschapv2_data *data = priv;
+	if (data == NULL)
+		return;
+
+	os_free(data->peer_challenge);
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_mschapv2_build_challenge(
+	struct eap_sm *sm, struct eap_mschapv2_data *data, u8 id)
+{
+	struct wpabuf *req;
+	struct eap_mschapv2_hdr *ms;
+	char *name = "hostapd"; /* TODO: make this configurable */
+	size_t ms_len;
+
+	if (!data->auth_challenge_from_tls &&
+	    random_get_bytes(data->auth_challenge, CHALLENGE_LEN)) {
+		wpa_printf(MSG_ERROR, "EAP-MSCHAPV2: Failed to get random "
+			   "data");
+		data->state = FAILURE;
+		return NULL;
+	}
+
+	ms_len = sizeof(*ms) + 1 + CHALLENGE_LEN + os_strlen(name);
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_MSCHAPV2, ms_len,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-MSCHAPV2: Failed to allocate memory"
+			   " for request");
+		data->state = FAILURE;
+		return NULL;
+	}
+
+	ms = wpabuf_put(req, sizeof(*ms));
+	ms->op_code = MSCHAPV2_OP_CHALLENGE;
+	ms->mschapv2_id = id;
+	WPA_PUT_BE16(ms->ms_length, ms_len);
+
+	wpabuf_put_u8(req, CHALLENGE_LEN);
+	if (!data->auth_challenge_from_tls)
+		wpabuf_put_data(req, data->auth_challenge, CHALLENGE_LEN);
+	else
+		wpabuf_put(req, CHALLENGE_LEN);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-MSCHAPV2: Challenge",
+		    data->auth_challenge, CHALLENGE_LEN);
+	wpabuf_put_data(req, name, os_strlen(name));
+
+	return req;
+}
+
+
+static struct wpabuf * eap_mschapv2_build_success_req(
+	struct eap_sm *sm, struct eap_mschapv2_data *data, u8 id)
+{
+	struct wpabuf *req;
+	struct eap_mschapv2_hdr *ms;
+	u8 *msg;
+	char *message = "OK";
+	size_t ms_len;
+
+	ms_len = sizeof(*ms) + 2 + 2 * sizeof(data->auth_response) + 1 + 2 +
+		os_strlen(message);
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_MSCHAPV2, ms_len,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-MSCHAPV2: Failed to allocate memory"
+			   " for request");
+		data->state = FAILURE;
+		return NULL;
+	}
+
+	ms = wpabuf_put(req, sizeof(*ms));
+	ms->op_code = MSCHAPV2_OP_SUCCESS;
+	ms->mschapv2_id = data->resp_mschapv2_id;
+	WPA_PUT_BE16(ms->ms_length, ms_len);
+	msg = (u8 *) (ms + 1);
+
+	wpabuf_put_u8(req, 'S');
+	wpabuf_put_u8(req, '=');
+	wpa_snprintf_hex_uppercase(
+		wpabuf_put(req, sizeof(data->auth_response) * 2),
+		sizeof(data->auth_response) * 2 + 1,
+		data->auth_response, sizeof(data->auth_response));
+	wpabuf_put_u8(req, ' ');
+	wpabuf_put_u8(req, 'M');
+	wpabuf_put_u8(req, '=');
+	wpabuf_put_data(req, message, os_strlen(message));
+
+	wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-MSCHAPV2: Success Request Message",
+			  msg, ms_len - sizeof(*ms));
+
+	return req;
+}
+
+
+static struct wpabuf * eap_mschapv2_build_failure_req(
+	struct eap_sm *sm, struct eap_mschapv2_data *data, u8 id)
+{
+	struct wpabuf *req;
+	struct eap_mschapv2_hdr *ms;
+	char *message = "E=691 R=0 C=00000000000000000000000000000000 V=3 "
+		"M=FAILED";
+	size_t ms_len;
+
+	ms_len = sizeof(*ms) + os_strlen(message);
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_MSCHAPV2, ms_len,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-MSCHAPV2: Failed to allocate memory"
+			   " for request");
+		data->state = FAILURE;
+		return NULL;
+	}
+
+	ms = wpabuf_put(req, sizeof(*ms));
+	ms->op_code = MSCHAPV2_OP_FAILURE;
+	ms->mschapv2_id = data->resp_mschapv2_id;
+	WPA_PUT_BE16(ms->ms_length, ms_len);
+
+	wpabuf_put_data(req, message, os_strlen(message));
+
+	wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-MSCHAPV2: Failure Request Message",
+			  (u8 *) message, os_strlen(message));
+
+	return req;
+}
+
+
+static struct wpabuf * eap_mschapv2_buildReq(struct eap_sm *sm, void *priv,
+					     u8 id)
+{
+	struct eap_mschapv2_data *data = priv;
+
+	switch (data->state) {
+	case CHALLENGE:
+		return eap_mschapv2_build_challenge(sm, data, id);
+	case SUCCESS_REQ:
+		return eap_mschapv2_build_success_req(sm, data, id);
+	case FAILURE_REQ:
+		return eap_mschapv2_build_failure_req(sm, data, id);
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Unknown state %d in "
+			   "buildReq", data->state);
+		break;
+	}
+	return NULL;
+}
+
+
+static Boolean eap_mschapv2_check(struct eap_sm *sm, void *priv,
+				  struct wpabuf *respData)
+{
+	struct eap_mschapv2_data *data = priv;
+	struct eap_mschapv2_hdr *resp;
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_MSCHAPV2, respData,
+			       &len);
+	if (pos == NULL || len < 1) {
+		wpa_printf(MSG_INFO, "EAP-MSCHAPV2: Invalid frame");
+		return TRUE;
+	}
+
+	resp = (struct eap_mschapv2_hdr *) pos;
+	if (data->state == CHALLENGE &&
+	    resp->op_code != MSCHAPV2_OP_RESPONSE) {
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Expected Response - "
+			   "ignore op %d", resp->op_code);
+		return TRUE;
+	}
+
+	if (data->state == SUCCESS_REQ &&
+	    resp->op_code != MSCHAPV2_OP_SUCCESS &&
+	    resp->op_code != MSCHAPV2_OP_FAILURE) {
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Expected Success or "
+			   "Failure - ignore op %d", resp->op_code);
+		return TRUE;
+	}
+
+	if (data->state == FAILURE_REQ &&
+	    resp->op_code != MSCHAPV2_OP_FAILURE) {
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Expected Failure "
+			   "- ignore op %d", resp->op_code);
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+static void eap_mschapv2_process_response(struct eap_sm *sm,
+					  struct eap_mschapv2_data *data,
+					  struct wpabuf *respData)
+{
+	struct eap_mschapv2_hdr *resp;
+	const u8 *pos, *end, *peer_challenge, *nt_response, *name;
+	u8 flags;
+	size_t len, name_len, i;
+	u8 expected[24];
+	const u8 *username, *user;
+	size_t username_len, user_len;
+	int res;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_MSCHAPV2, respData,
+			       &len);
+	if (pos == NULL || len < 1)
+		return; /* Should not happen - frame already validated */
+
+	end = pos + len;
+	resp = (struct eap_mschapv2_hdr *) pos;
+	pos = (u8 *) (resp + 1);
+
+	if (len < sizeof(*resp) + 1 + 49 ||
+	    resp->op_code != MSCHAPV2_OP_RESPONSE ||
+	    pos[0] != 49) {
+		wpa_hexdump_buf(MSG_DEBUG, "EAP-MSCHAPV2: Invalid response",
+				respData);
+		data->state = FAILURE;
+		return;
+	}
+	data->resp_mschapv2_id = resp->mschapv2_id;
+	pos++;
+	peer_challenge = pos;
+	pos += 16 + 8;
+	nt_response = pos;
+	pos += 24;
+	flags = *pos++;
+	name = pos;
+	name_len = end - name;
+
+	if (data->peer_challenge) {
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Using pre-configured "
+			   "Peer-Challenge");
+		peer_challenge = data->peer_challenge;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "EAP-MSCHAPV2: Peer-Challenge",
+		    peer_challenge, 16);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-MSCHAPV2: NT-Response", nt_response, 24);
+	wpa_printf(MSG_MSGDUMP, "EAP-MSCHAPV2: Flags 0x%x", flags);
+	wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-MSCHAPV2: Name", name, name_len);
+
+	/* MSCHAPv2 does not include optional domain name in the
+	 * challenge-response calculation, so remove domain prefix
+	 * (if present). */
+	username = sm->identity;
+	username_len = sm->identity_len;
+	for (i = 0; i < username_len; i++) {
+		if (username[i] == '\\') {
+			username_len -= i + 1;
+			username += i + 1;
+			break;
+		}
+	}
+
+	user = name;
+	user_len = name_len;
+	for (i = 0; i < user_len; i++) {
+		if (user[i] == '\\') {
+			user_len -= i + 1;
+			user += i + 1;
+			break;
+		}
+	}
+
+	if (username_len != user_len ||
+	    os_memcmp(username, user, username_len) != 0) {
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Mismatch in user names");
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-MSCHAPV2: Expected user "
+				  "name", username, username_len);
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-MSCHAPV2: Received user "
+				  "name", user, user_len);
+		data->state = FAILURE;
+		return;
+	}
+
+	wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-MSCHAPV2: User name",
+			  username, username_len);
+
+	if (sm->user->password_hash) {
+		res = generate_nt_response_pwhash(data->auth_challenge,
+						  peer_challenge,
+						  username, username_len,
+						  sm->user->password,
+						  expected);
+	} else {
+		res = generate_nt_response(data->auth_challenge,
+					   peer_challenge,
+					   username, username_len,
+					   sm->user->password,
+					   sm->user->password_len,
+					   expected);
+	}
+	if (res) {
+		data->state = FAILURE;
+		return;
+	}
+
+	if (os_memcmp(nt_response, expected, 24) == 0) {
+		const u8 *pw_hash;
+		u8 pw_hash_buf[16], pw_hash_hash[16];
+
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Correct NT-Response");
+		data->state = SUCCESS_REQ;
+
+		/* Authenticator response is not really needed yet, but
+		 * calculate it here so that peer_challenge and username need
+		 * not be saved. */
+		if (sm->user->password_hash) {
+			pw_hash = sm->user->password;
+		} else {
+			nt_password_hash(sm->user->password,
+					 sm->user->password_len,
+					 pw_hash_buf);
+			pw_hash = pw_hash_buf;
+		}
+		generate_authenticator_response_pwhash(
+			pw_hash, peer_challenge, data->auth_challenge,
+			username, username_len, nt_response,
+			data->auth_response);
+
+		hash_nt_password_hash(pw_hash, pw_hash_hash);
+		get_master_key(pw_hash_hash, nt_response, data->master_key);
+		data->master_key_valid = 1;
+		wpa_hexdump_key(MSG_DEBUG, "EAP-MSCHAPV2: Derived Master Key",
+				data->master_key, MSCHAPV2_KEY_LEN);
+	} else {
+		wpa_hexdump(MSG_MSGDUMP, "EAP-MSCHAPV2: Expected NT-Response",
+			    expected, 24);
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Invalid NT-Response");
+		data->state = FAILURE_REQ;
+	}
+}
+
+
+static void eap_mschapv2_process_success_resp(struct eap_sm *sm,
+					      struct eap_mschapv2_data *data,
+					      struct wpabuf *respData)
+{
+	struct eap_mschapv2_hdr *resp;
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_MSCHAPV2, respData,
+			       &len);
+	if (pos == NULL || len < 1)
+		return; /* Should not happen - frame already validated */
+
+	resp = (struct eap_mschapv2_hdr *) pos;
+
+	if (resp->op_code == MSCHAPV2_OP_SUCCESS) {
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Received Success Response"
+			   " - authentication completed successfully");
+		data->state = SUCCESS;
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Did not receive Success "
+			   "Response - peer rejected authentication");
+		data->state = FAILURE;
+	}
+}
+
+
+static void eap_mschapv2_process_failure_resp(struct eap_sm *sm,
+					      struct eap_mschapv2_data *data,
+					      struct wpabuf *respData)
+{
+	struct eap_mschapv2_hdr *resp;
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_MSCHAPV2, respData,
+			       &len);
+	if (pos == NULL || len < 1)
+		return; /* Should not happen - frame already validated */
+
+	resp = (struct eap_mschapv2_hdr *) pos;
+
+	if (resp->op_code == MSCHAPV2_OP_FAILURE) {
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Received Failure Response"
+			   " - authentication failed");
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Did not receive Failure "
+			   "Response - authentication failed");
+	}
+
+	data->state = FAILURE;
+}
+
+
+static void eap_mschapv2_process(struct eap_sm *sm, void *priv,
+				 struct wpabuf *respData)
+{
+	struct eap_mschapv2_data *data = priv;
+
+	if (sm->user == NULL || sm->user->password == NULL) {
+		wpa_printf(MSG_INFO, "EAP-MSCHAPV2: Password not configured");
+		data->state = FAILURE;
+		return;
+	}
+
+	switch (data->state) {
+	case CHALLENGE:
+		eap_mschapv2_process_response(sm, data, respData);
+		break;
+	case SUCCESS_REQ:
+		eap_mschapv2_process_success_resp(sm, data, respData);
+		break;
+	case FAILURE_REQ:
+		eap_mschapv2_process_failure_resp(sm, data, respData);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Unknown state %d in "
+			   "process", data->state);
+		break;
+	}
+}
+
+
+static Boolean eap_mschapv2_isDone(struct eap_sm *sm, void *priv)
+{
+	struct eap_mschapv2_data *data = priv;
+	return data->state == SUCCESS || data->state == FAILURE;
+}
+
+
+static u8 * eap_mschapv2_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_mschapv2_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS || !data->master_key_valid)
+		return NULL;
+
+	*len = 2 * MSCHAPV2_KEY_LEN;
+	key = os_malloc(*len);
+	if (key == NULL)
+		return NULL;
+	/* MSK = server MS-MPPE-Recv-Key | MS-MPPE-Send-Key */
+	get_asymetric_start_key(data->master_key, key, MSCHAPV2_KEY_LEN, 0, 1);
+	get_asymetric_start_key(data->master_key, key + MSCHAPV2_KEY_LEN,
+				MSCHAPV2_KEY_LEN, 1, 1);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-MSCHAPV2: Derived key", key, *len);
+
+	return key;
+}
+
+
+static Boolean eap_mschapv2_isSuccess(struct eap_sm *sm, void *priv)
+{
+	struct eap_mschapv2_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+int eap_server_mschapv2_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_IETF, EAP_TYPE_MSCHAPV2,
+				      "MSCHAPV2");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_mschapv2_init;
+	eap->reset = eap_mschapv2_reset;
+	eap->buildReq = eap_mschapv2_buildReq;
+	eap->check = eap_mschapv2_check;
+	eap->process = eap_mschapv2_process;
+	eap->isDone = eap_mschapv2_isDone;
+	eap->getKey = eap_mschapv2_getKey;
+	eap->isSuccess = eap_mschapv2_isSuccess;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_server/eap_server_pax.c b/src/eap_server/eap_server_pax.c
new file mode 100644
index 0000000..4d64269
--- /dev/null
+++ b/src/eap_server/eap_server_pax.c
@@ -0,0 +1,570 @@
+/*
+ * hostapd / EAP-PAX (RFC 4746) server
+ * Copyright (c) 2005-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/random.h"
+#include "eap_server/eap_i.h"
+#include "eap_common/eap_pax_common.h"
+
+/*
+ * Note: only PAX_STD subprotocol is currently supported
+ *
+ * TODO: Add support with PAX_SEC with the mandatory to implement ciphersuite
+ * (HMAC_SHA1_128, IANA DH Group 14 (2048 bits), RSA-PKCS1-V1_5) and
+ * recommended ciphersuite (HMAC_SHA256_128, IANA DH Group 15 (3072 bits),
+ * RSAES-OAEP).
+ */
+
+struct eap_pax_data {
+	enum { PAX_STD_1, PAX_STD_3, SUCCESS, FAILURE } state;
+	u8 mac_id;
+	union {
+		u8 e[2 * EAP_PAX_RAND_LEN];
+		struct {
+			u8 x[EAP_PAX_RAND_LEN]; /* server rand */
+			u8 y[EAP_PAX_RAND_LEN]; /* client rand */
+		} r;
+	} rand;
+	u8 ak[EAP_PAX_AK_LEN];
+	u8 mk[EAP_PAX_MK_LEN];
+	u8 ck[EAP_PAX_CK_LEN];
+	u8 ick[EAP_PAX_ICK_LEN];
+	int keys_set;
+	char *cid;
+	size_t cid_len;
+};
+
+
+static void * eap_pax_init(struct eap_sm *sm)
+{
+	struct eap_pax_data *data;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = PAX_STD_1;
+	/*
+	 * TODO: make this configurable once EAP_PAX_HMAC_SHA256_128 is
+	 * supported
+	 */
+	data->mac_id = EAP_PAX_MAC_HMAC_SHA1_128;
+
+	return data;
+}
+
+
+static void eap_pax_reset(struct eap_sm *sm, void *priv)
+{
+	struct eap_pax_data *data = priv;
+	os_free(data->cid);
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_pax_build_std_1(struct eap_sm *sm,
+					   struct eap_pax_data *data, u8 id)
+{
+	struct wpabuf *req;
+	struct eap_pax_hdr *pax;
+	u8 *pos;
+
+	wpa_printf(MSG_DEBUG, "EAP-PAX: PAX_STD-1 (sending)");
+
+	if (random_get_bytes(data->rand.r.x, EAP_PAX_RAND_LEN)) {
+		wpa_printf(MSG_ERROR, "EAP-PAX: Failed to get random data");
+		data->state = FAILURE;
+		return NULL;
+	}
+
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_PAX,
+			    sizeof(*pax) + 2 + EAP_PAX_RAND_LEN +
+			    EAP_PAX_ICV_LEN, EAP_CODE_REQUEST, id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-PAX: Failed to allocate memory "
+			   "request");
+		data->state = FAILURE;
+		return NULL;
+	}
+
+	pax = wpabuf_put(req, sizeof(*pax));
+	pax->op_code = EAP_PAX_OP_STD_1;
+	pax->flags = 0;
+	pax->mac_id = data->mac_id;
+	pax->dh_group_id = EAP_PAX_DH_GROUP_NONE;
+	pax->public_key_id = EAP_PAX_PUBLIC_KEY_NONE;
+
+	wpabuf_put_be16(req, EAP_PAX_RAND_LEN);
+	wpabuf_put_data(req, data->rand.r.x, EAP_PAX_RAND_LEN);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: A = X (server rand)",
+		    data->rand.r.x, EAP_PAX_RAND_LEN);
+
+	pos = wpabuf_put(req, EAP_PAX_MAC_LEN);
+	eap_pax_mac(data->mac_id, (u8 *) "", 0,
+		    wpabuf_mhead(req), wpabuf_len(req) - EAP_PAX_ICV_LEN,
+		    NULL, 0, NULL, 0, pos);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: ICV", pos, EAP_PAX_ICV_LEN);
+
+	return req;
+}
+
+
+static struct wpabuf * eap_pax_build_std_3(struct eap_sm *sm,
+					   struct eap_pax_data *data, u8 id)
+{
+	struct wpabuf *req;
+	struct eap_pax_hdr *pax;
+	u8 *pos;
+
+	wpa_printf(MSG_DEBUG, "EAP-PAX: PAX_STD-3 (sending)");
+
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_PAX,
+			    sizeof(*pax) + 2 + EAP_PAX_MAC_LEN +
+			    EAP_PAX_ICV_LEN, EAP_CODE_REQUEST, id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-PAX: Failed to allocate memory "
+			   "request");
+		data->state = FAILURE;
+		return NULL;
+	}
+
+	pax = wpabuf_put(req, sizeof(*pax));
+	pax->op_code = EAP_PAX_OP_STD_3;
+	pax->flags = 0;
+	pax->mac_id = data->mac_id;
+	pax->dh_group_id = EAP_PAX_DH_GROUP_NONE;
+	pax->public_key_id = EAP_PAX_PUBLIC_KEY_NONE;
+
+	wpabuf_put_be16(req, EAP_PAX_MAC_LEN);
+	pos = wpabuf_put(req, EAP_PAX_MAC_LEN);
+	eap_pax_mac(data->mac_id, data->ck, EAP_PAX_CK_LEN,
+		    data->rand.r.y, EAP_PAX_RAND_LEN,
+		    (u8 *) data->cid, data->cid_len, NULL, 0, pos);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: MAC_CK(B, CID)",
+		    pos, EAP_PAX_MAC_LEN);
+	pos += EAP_PAX_MAC_LEN;
+
+	/* Optional ADE could be added here, if needed */
+
+	pos = wpabuf_put(req, EAP_PAX_MAC_LEN);
+	eap_pax_mac(data->mac_id, data->ick, EAP_PAX_ICK_LEN,
+		    wpabuf_mhead(req), wpabuf_len(req) - EAP_PAX_ICV_LEN,
+		    NULL, 0, NULL, 0, pos);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: ICV", pos, EAP_PAX_ICV_LEN);
+
+	return req;
+}
+
+
+static struct wpabuf * eap_pax_buildReq(struct eap_sm *sm, void *priv, u8 id)
+{
+	struct eap_pax_data *data = priv;
+
+	switch (data->state) {
+	case PAX_STD_1:
+		return eap_pax_build_std_1(sm, data, id);
+	case PAX_STD_3:
+		return eap_pax_build_std_3(sm, data, id);
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-PAX: Unknown state %d in buildReq",
+			   data->state);
+		break;
+	}
+	return NULL;
+}
+
+
+static Boolean eap_pax_check(struct eap_sm *sm, void *priv,
+			     struct wpabuf *respData)
+{
+	struct eap_pax_data *data = priv;
+	struct eap_pax_hdr *resp;
+	const u8 *pos;
+	size_t len, mlen;
+	u8 icvbuf[EAP_PAX_ICV_LEN], *icv;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PAX, respData, &len);
+	if (pos == NULL || len < sizeof(*resp)) {
+		wpa_printf(MSG_INFO, "EAP-PAX: Invalid frame");
+		return TRUE;
+	}
+
+	mlen = sizeof(struct eap_hdr) + 1 + len;
+	resp = (struct eap_pax_hdr *) pos;
+
+	wpa_printf(MSG_DEBUG, "EAP-PAX: received frame: op_code 0x%x "
+		   "flags 0x%x mac_id 0x%x dh_group_id 0x%x "
+		   "public_key_id 0x%x",
+		   resp->op_code, resp->flags, resp->mac_id, resp->dh_group_id,
+		   resp->public_key_id);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: received payload",
+		    (u8 *) (resp + 1), len - sizeof(*resp) - EAP_PAX_ICV_LEN);
+
+	if (data->state == PAX_STD_1 &&
+	    resp->op_code != EAP_PAX_OP_STD_2) {
+		wpa_printf(MSG_DEBUG, "EAP-PAX: Expected PAX_STD-2 - "
+			   "ignore op %d", resp->op_code);
+		return TRUE;
+	}
+
+	if (data->state == PAX_STD_3 &&
+	    resp->op_code != EAP_PAX_OP_ACK) {
+		wpa_printf(MSG_DEBUG, "EAP-PAX: Expected PAX-ACK - "
+			   "ignore op %d", resp->op_code);
+		return TRUE;
+	}
+
+	if (resp->op_code != EAP_PAX_OP_STD_2 &&
+	    resp->op_code != EAP_PAX_OP_ACK) {
+		wpa_printf(MSG_DEBUG, "EAP-PAX: Unknown op_code 0x%x",
+			   resp->op_code);
+	}
+
+	if (data->mac_id != resp->mac_id) {
+		wpa_printf(MSG_DEBUG, "EAP-PAX: Expected MAC ID 0x%x, "
+			   "received 0x%x", data->mac_id, resp->mac_id);
+		return TRUE;
+	}
+
+	if (resp->dh_group_id != EAP_PAX_DH_GROUP_NONE) {
+		wpa_printf(MSG_INFO, "EAP-PAX: Expected DH Group ID 0x%x, "
+			   "received 0x%x", EAP_PAX_DH_GROUP_NONE,
+			   resp->dh_group_id);
+		return TRUE;
+	}
+
+	if (resp->public_key_id != EAP_PAX_PUBLIC_KEY_NONE) {
+		wpa_printf(MSG_INFO, "EAP-PAX: Expected Public Key ID 0x%x, "
+			   "received 0x%x", EAP_PAX_PUBLIC_KEY_NONE,
+			   resp->public_key_id);
+		return TRUE;
+	}
+
+	if (resp->flags & EAP_PAX_FLAGS_MF) {
+		/* TODO: add support for reassembling fragments */
+		wpa_printf(MSG_INFO, "EAP-PAX: fragmentation not supported");
+		return TRUE;
+	}
+
+	if (resp->flags & EAP_PAX_FLAGS_CE) {
+		wpa_printf(MSG_INFO, "EAP-PAX: Unexpected CE flag");
+		return TRUE;
+	}
+
+	if (data->keys_set) {
+		if (len - sizeof(*resp) < EAP_PAX_ICV_LEN) {
+			wpa_printf(MSG_INFO, "EAP-PAX: No ICV in the packet");
+			return TRUE;
+		}
+		icv = wpabuf_mhead_u8(respData) + mlen - EAP_PAX_ICV_LEN;
+		wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: ICV", icv, EAP_PAX_ICV_LEN);
+		eap_pax_mac(data->mac_id, data->ick, EAP_PAX_ICK_LEN,
+			    wpabuf_mhead(respData),
+			    wpabuf_len(respData) - EAP_PAX_ICV_LEN,
+			    NULL, 0, NULL, 0, icvbuf);
+		if (os_memcmp(icvbuf, icv, EAP_PAX_ICV_LEN) != 0) {
+			wpa_printf(MSG_INFO, "EAP-PAX: Invalid ICV");
+			wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: Expected ICV",
+				    icvbuf, EAP_PAX_ICV_LEN);
+			return TRUE;
+		}
+	}
+
+	return FALSE;
+}
+
+
+static void eap_pax_process_std_2(struct eap_sm *sm,
+				  struct eap_pax_data *data,
+				  struct wpabuf *respData)
+{
+	struct eap_pax_hdr *resp;
+	u8 mac[EAP_PAX_MAC_LEN], icvbuf[EAP_PAX_ICV_LEN];
+	const u8 *pos;
+	size_t len, left;
+	int i;
+
+	if (data->state != PAX_STD_1)
+		return;
+
+	wpa_printf(MSG_DEBUG, "EAP-PAX: Received PAX_STD-2");
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PAX, respData, &len);
+	if (pos == NULL || len < sizeof(*resp) + EAP_PAX_ICV_LEN)
+		return;
+
+	resp = (struct eap_pax_hdr *) pos;
+	pos = (u8 *) (resp + 1);
+	left = len - sizeof(*resp);
+
+	if (left < 2 + EAP_PAX_RAND_LEN ||
+	    WPA_GET_BE16(pos) != EAP_PAX_RAND_LEN) {
+		wpa_printf(MSG_INFO, "EAP-PAX: Too short PAX_STD-2 (B)");
+		return;
+	}
+	pos += 2;
+	left -= 2;
+	os_memcpy(data->rand.r.y, pos, EAP_PAX_RAND_LEN);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: Y (client rand)",
+		    data->rand.r.y, EAP_PAX_RAND_LEN);
+	pos += EAP_PAX_RAND_LEN;
+	left -= EAP_PAX_RAND_LEN;
+
+	if (left < 2 || (size_t) 2 + WPA_GET_BE16(pos) > left) {
+		wpa_printf(MSG_INFO, "EAP-PAX: Too short PAX_STD-2 (CID)");
+		return;
+	}
+	data->cid_len = WPA_GET_BE16(pos);
+	os_free(data->cid);
+	data->cid = os_malloc(data->cid_len);
+	if (data->cid == NULL) {
+		wpa_printf(MSG_INFO, "EAP-PAX: Failed to allocate memory for "
+			   "CID");
+		return;
+	}
+	os_memcpy(data->cid, pos + 2, data->cid_len);
+	pos += 2 + data->cid_len;
+	left -= 2 + data->cid_len;
+	wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-PAX: CID",
+			  (u8 *) data->cid, data->cid_len);
+
+	if (left < 2 + EAP_PAX_MAC_LEN ||
+	    WPA_GET_BE16(pos) != EAP_PAX_MAC_LEN) {
+		wpa_printf(MSG_INFO, "EAP-PAX: Too short PAX_STD-2 (MAC_CK)");
+		return;
+	}
+	pos += 2;
+	left -= 2;
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: MAC_CK(A, B, CID)",
+		    pos, EAP_PAX_MAC_LEN);
+
+	if (eap_user_get(sm, (u8 *) data->cid, data->cid_len, 0) < 0) {
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-PAX: unknown CID",
+				  (u8 *) data->cid, data->cid_len);
+		data->state = FAILURE;
+		return;
+	}
+
+	for (i = 0;
+	     i < EAP_MAX_METHODS &&
+		     (sm->user->methods[i].vendor != EAP_VENDOR_IETF ||
+		      sm->user->methods[i].method != EAP_TYPE_NONE);
+	     i++) {
+		if (sm->user->methods[i].vendor == EAP_VENDOR_IETF &&
+		    sm->user->methods[i].method == EAP_TYPE_PAX)
+			break;
+	}
+
+	if (i >= EAP_MAX_METHODS ||
+	    sm->user->methods[i].vendor != EAP_VENDOR_IETF ||
+	    sm->user->methods[i].method != EAP_TYPE_PAX) {
+		wpa_hexdump_ascii(MSG_DEBUG,
+				  "EAP-PAX: EAP-PAX not enabled for CID",
+				  (u8 *) data->cid, data->cid_len);
+		data->state = FAILURE;
+		return;
+	}
+
+	if (sm->user->password == NULL ||
+	    sm->user->password_len != EAP_PAX_AK_LEN) {
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-PAX: invalid password in "
+				  "user database for CID",
+				  (u8 *) data->cid, data->cid_len);
+		data->state = FAILURE;
+		return;
+	}
+	os_memcpy(data->ak, sm->user->password, EAP_PAX_AK_LEN);
+
+	if (eap_pax_initial_key_derivation(data->mac_id, data->ak,
+					   data->rand.e, data->mk, data->ck,
+					   data->ick) < 0) {
+		wpa_printf(MSG_INFO, "EAP-PAX: Failed to complete initial "
+			   "key derivation");
+		data->state = FAILURE;
+		return;
+	}
+	data->keys_set = 1;
+
+	eap_pax_mac(data->mac_id, data->ck, EAP_PAX_CK_LEN,
+		    data->rand.r.x, EAP_PAX_RAND_LEN,
+		    data->rand.r.y, EAP_PAX_RAND_LEN,
+		    (u8 *) data->cid, data->cid_len, mac);
+	if (os_memcmp(mac, pos, EAP_PAX_MAC_LEN) != 0) {
+		wpa_printf(MSG_INFO, "EAP-PAX: Invalid MAC_CK(A, B, CID) in "
+			   "PAX_STD-2");
+		wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: Expected MAC_CK(A, B, CID)",
+			    mac, EAP_PAX_MAC_LEN);
+		data->state = FAILURE;
+		return;
+	}
+
+	pos += EAP_PAX_MAC_LEN;
+	left -= EAP_PAX_MAC_LEN;
+
+	if (left < EAP_PAX_ICV_LEN) {
+		wpa_printf(MSG_INFO, "EAP-PAX: Too short ICV (%lu) in "
+			   "PAX_STD-2", (unsigned long) left);
+		return;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: ICV", pos, EAP_PAX_ICV_LEN);
+	eap_pax_mac(data->mac_id, data->ick, EAP_PAX_ICK_LEN,
+		    wpabuf_head(respData),
+		    wpabuf_len(respData) - EAP_PAX_ICV_LEN, NULL, 0, NULL, 0,
+		    icvbuf);
+	if (os_memcmp(icvbuf, pos, EAP_PAX_ICV_LEN) != 0) {
+		wpa_printf(MSG_INFO, "EAP-PAX: Invalid ICV in PAX_STD-2");
+		wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: Expected ICV",
+			    icvbuf, EAP_PAX_ICV_LEN);
+		return;
+	}
+	pos += EAP_PAX_ICV_LEN;
+	left -= EAP_PAX_ICV_LEN;
+
+	if (left > 0) {
+		wpa_hexdump(MSG_MSGDUMP, "EAP-PAX: ignored extra payload",
+			    pos, left);
+	}
+
+	data->state = PAX_STD_3;
+}
+
+
+static void eap_pax_process_ack(struct eap_sm *sm,
+				struct eap_pax_data *data,
+				struct wpabuf *respData)
+{
+	if (data->state != PAX_STD_3)
+		return;
+
+	wpa_printf(MSG_DEBUG, "EAP-PAX: Received PAX-ACK - authentication "
+		   "completed successfully");
+	data->state = SUCCESS;
+}
+
+
+static void eap_pax_process(struct eap_sm *sm, void *priv,
+			    struct wpabuf *respData)
+{
+	struct eap_pax_data *data = priv;
+	struct eap_pax_hdr *resp;
+	const u8 *pos;
+	size_t len;
+
+	if (sm->user == NULL || sm->user->password == NULL) {
+		wpa_printf(MSG_INFO, "EAP-PAX: Plaintext password not "
+			   "configured");
+		data->state = FAILURE;
+		return;
+	}
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PAX, respData, &len);
+	if (pos == NULL || len < sizeof(*resp))
+		return;
+
+	resp = (struct eap_pax_hdr *) pos;
+
+	switch (resp->op_code) {
+	case EAP_PAX_OP_STD_2:
+		eap_pax_process_std_2(sm, data, respData);
+		break;
+	case EAP_PAX_OP_ACK:
+		eap_pax_process_ack(sm, data, respData);
+		break;
+	}
+}
+
+
+static Boolean eap_pax_isDone(struct eap_sm *sm, void *priv)
+{
+	struct eap_pax_data *data = priv;
+	return data->state == SUCCESS || data->state == FAILURE;
+}
+
+
+static u8 * eap_pax_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_pax_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_MSK_LEN);
+	if (key == NULL)
+		return NULL;
+
+	*len = EAP_MSK_LEN;
+	eap_pax_kdf(data->mac_id, data->mk, EAP_PAX_MK_LEN,
+		    "Master Session Key", data->rand.e, 2 * EAP_PAX_RAND_LEN,
+		    EAP_MSK_LEN, key);
+
+	return key;
+}
+
+
+static u8 * eap_pax_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_pax_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_EMSK_LEN);
+	if (key == NULL)
+		return NULL;
+
+	*len = EAP_EMSK_LEN;
+	eap_pax_kdf(data->mac_id, data->mk, EAP_PAX_MK_LEN,
+		    "Extended Master Session Key",
+		    data->rand.e, 2 * EAP_PAX_RAND_LEN,
+		    EAP_EMSK_LEN, key);
+
+	return key;
+}
+
+
+static Boolean eap_pax_isSuccess(struct eap_sm *sm, void *priv)
+{
+	struct eap_pax_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+int eap_server_pax_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_IETF, EAP_TYPE_PAX, "PAX");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_pax_init;
+	eap->reset = eap_pax_reset;
+	eap->buildReq = eap_pax_buildReq;
+	eap->check = eap_pax_check;
+	eap->process = eap_pax_process;
+	eap->isDone = eap_pax_isDone;
+	eap->getKey = eap_pax_getKey;
+	eap->isSuccess = eap_pax_isSuccess;
+	eap->get_emsk = eap_pax_get_emsk;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_server/eap_server_peap.c b/src/eap_server/eap_server_peap.c
new file mode 100644
index 0000000..8a7d626
--- /dev/null
+++ b/src/eap_server/eap_server_peap.c
@@ -0,0 +1,1387 @@
+/*
+ * hostapd / EAP-PEAP (draft-josefsson-pppext-eap-tls-eap-10.txt)
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/sha1.h"
+#include "crypto/tls.h"
+#include "crypto/random.h"
+#include "eap_i.h"
+#include "eap_tls_common.h"
+#include "eap_common/eap_tlv_common.h"
+#include "eap_common/eap_peap_common.h"
+#include "tncs.h"
+
+
+/* Maximum supported PEAP version
+ * 0 = Microsoft's PEAP version 0; draft-kamath-pppext-peapv0-00.txt
+ * 1 = draft-josefsson-ppext-eap-tls-eap-05.txt
+ * 2 = draft-josefsson-ppext-eap-tls-eap-10.txt
+ */
+#define EAP_PEAP_VERSION 1
+
+
+static void eap_peap_reset(struct eap_sm *sm, void *priv);
+
+
+struct eap_peap_data {
+	struct eap_ssl_data ssl;
+	enum {
+		START, PHASE1, PHASE1_ID2, PHASE2_START, PHASE2_ID,
+		PHASE2_METHOD, PHASE2_SOH,
+		PHASE2_TLV, SUCCESS_REQ, FAILURE_REQ, SUCCESS, FAILURE
+	} state;
+
+	int peap_version;
+	int recv_version;
+	const struct eap_method *phase2_method;
+	void *phase2_priv;
+	int force_version;
+	struct wpabuf *pending_phase2_resp;
+	enum { TLV_REQ_NONE, TLV_REQ_SUCCESS, TLV_REQ_FAILURE } tlv_request;
+	int crypto_binding_sent;
+	int crypto_binding_used;
+	enum { NO_BINDING, OPTIONAL_BINDING, REQUIRE_BINDING } crypto_binding;
+	u8 binding_nonce[32];
+	u8 ipmk[40];
+	u8 cmk[20];
+	u8 *phase2_key;
+	size_t phase2_key_len;
+	struct wpabuf *soh_response;
+};
+
+
+static const char * eap_peap_state_txt(int state)
+{
+	switch (state) {
+	case START:
+		return "START";
+	case PHASE1:
+		return "PHASE1";
+	case PHASE1_ID2:
+		return "PHASE1_ID2";
+	case PHASE2_START:
+		return "PHASE2_START";
+	case PHASE2_ID:
+		return "PHASE2_ID";
+	case PHASE2_METHOD:
+		return "PHASE2_METHOD";
+	case PHASE2_SOH:
+		return "PHASE2_SOH";
+	case PHASE2_TLV:
+		return "PHASE2_TLV";
+	case SUCCESS_REQ:
+		return "SUCCESS_REQ";
+	case FAILURE_REQ:
+		return "FAILURE_REQ";
+	case SUCCESS:
+		return "SUCCESS";
+	case FAILURE:
+		return "FAILURE";
+	default:
+		return "Unknown?!";
+	}
+}
+
+
+static void eap_peap_state(struct eap_peap_data *data, int state)
+{
+	wpa_printf(MSG_DEBUG, "EAP-PEAP: %s -> %s",
+		   eap_peap_state_txt(data->state),
+		   eap_peap_state_txt(state));
+	data->state = state;
+}
+
+
+static struct wpabuf * eap_peapv2_tlv_eap_payload(struct wpabuf *buf)
+{
+	struct wpabuf *e;
+	struct eap_tlv_hdr *tlv;
+
+	if (buf == NULL)
+		return NULL;
+
+	/* Encapsulate EAP packet in EAP-Payload TLV */
+	wpa_printf(MSG_DEBUG, "EAP-PEAPv2: Add EAP-Payload TLV");
+	e = wpabuf_alloc(sizeof(*tlv) + wpabuf_len(buf));
+	if (e == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAPv2: Failed to allocate memory "
+			   "for TLV encapsulation");
+		wpabuf_free(buf);
+		return NULL;
+	}
+	tlv = wpabuf_put(e, sizeof(*tlv));
+	tlv->tlv_type = host_to_be16(EAP_TLV_TYPE_MANDATORY |
+				     EAP_TLV_EAP_PAYLOAD_TLV);
+	tlv->length = host_to_be16(wpabuf_len(buf));
+	wpabuf_put_buf(e, buf);
+	wpabuf_free(buf);
+	return e;
+}
+
+
+static void eap_peap_req_success(struct eap_sm *sm,
+				 struct eap_peap_data *data)
+{
+	if (data->state == FAILURE || data->state == FAILURE_REQ) {
+		eap_peap_state(data, FAILURE);
+		return;
+	}
+
+	if (data->peap_version == 0) {
+		data->tlv_request = TLV_REQ_SUCCESS;
+		eap_peap_state(data, PHASE2_TLV);
+	} else {
+		eap_peap_state(data, SUCCESS_REQ);
+	}
+}
+
+
+static void eap_peap_req_failure(struct eap_sm *sm,
+				 struct eap_peap_data *data)
+{
+	if (data->state == FAILURE || data->state == FAILURE_REQ ||
+	    data->state == SUCCESS_REQ || data->tlv_request != TLV_REQ_NONE) {
+		eap_peap_state(data, FAILURE);
+		return;
+	}
+
+	if (data->peap_version == 0) {
+		data->tlv_request = TLV_REQ_FAILURE;
+		eap_peap_state(data, PHASE2_TLV);
+	} else {
+		eap_peap_state(data, FAILURE_REQ);
+	}
+}
+
+
+static void * eap_peap_init(struct eap_sm *sm)
+{
+	struct eap_peap_data *data;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->peap_version = EAP_PEAP_VERSION;
+	data->force_version = -1;
+	if (sm->user && sm->user->force_version >= 0) {
+		data->force_version = sm->user->force_version;
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: forcing version %d",
+			   data->force_version);
+		data->peap_version = data->force_version;
+	}
+	data->state = START;
+	data->crypto_binding = OPTIONAL_BINDING;
+
+	if (eap_server_tls_ssl_init(sm, &data->ssl, 0)) {
+		wpa_printf(MSG_INFO, "EAP-PEAP: Failed to initialize SSL.");
+		eap_peap_reset(sm, data);
+		return NULL;
+	}
+
+	return data;
+}
+
+
+static void eap_peap_reset(struct eap_sm *sm, void *priv)
+{
+	struct eap_peap_data *data = priv;
+	if (data == NULL)
+		return;
+	if (data->phase2_priv && data->phase2_method)
+		data->phase2_method->reset(sm, data->phase2_priv);
+	eap_server_tls_ssl_deinit(sm, &data->ssl);
+	wpabuf_free(data->pending_phase2_resp);
+	os_free(data->phase2_key);
+	wpabuf_free(data->soh_response);
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_peap_build_start(struct eap_sm *sm,
+					    struct eap_peap_data *data, u8 id)
+{
+	struct wpabuf *req;
+
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_PEAP, 1,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-PEAP: Failed to allocate memory for"
+			   " request");
+		eap_peap_state(data, FAILURE);
+		return NULL;
+	}
+
+	wpabuf_put_u8(req, EAP_TLS_FLAGS_START | data->peap_version);
+
+	eap_peap_state(data, PHASE1);
+
+	return req;
+}
+
+
+static struct wpabuf * eap_peap_build_phase2_req(struct eap_sm *sm,
+						 struct eap_peap_data *data,
+						 u8 id)
+{
+	struct wpabuf *buf, *encr_req, msgbuf;
+	const u8 *req;
+	size_t req_len;
+
+	if (data->phase2_method == NULL || data->phase2_priv == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase 2 method not ready");
+		return NULL;
+	}
+	buf = data->phase2_method->buildReq(sm, data->phase2_priv, id);
+	if (data->peap_version >= 2 && buf)
+		buf = eap_peapv2_tlv_eap_payload(buf);
+	if (buf == NULL)
+		return NULL;
+
+	req = wpabuf_head(buf);
+	req_len = wpabuf_len(buf);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: Encrypting Phase 2 data",
+			req, req_len);
+
+	if (data->peap_version == 0 &&
+	    data->phase2_method->method != EAP_TYPE_TLV) {
+		req += sizeof(struct eap_hdr);
+		req_len -= sizeof(struct eap_hdr);
+	}
+
+	wpabuf_set(&msgbuf, req, req_len);
+	encr_req = eap_server_tls_encrypt(sm, &data->ssl, &msgbuf);
+	wpabuf_free(buf);
+
+	return encr_req;
+}
+
+
+#ifdef EAP_SERVER_TNC
+static struct wpabuf * eap_peap_build_phase2_soh(struct eap_sm *sm,
+						 struct eap_peap_data *data,
+						 u8 id)
+{
+	struct wpabuf *buf1, *buf, *encr_req, msgbuf;
+	const u8 *req;
+	size_t req_len;
+
+	buf1 = tncs_build_soh_request();
+	if (buf1 == NULL)
+		return NULL;
+
+	buf = eap_msg_alloc(EAP_VENDOR_MICROSOFT, 0x21, wpabuf_len(buf1),
+			    EAP_CODE_REQUEST, id);
+	if (buf == NULL) {
+		wpabuf_free(buf1);
+		return NULL;
+	}
+	wpabuf_put_buf(buf, buf1);
+	wpabuf_free(buf1);
+
+	req = wpabuf_head(buf);
+	req_len = wpabuf_len(buf);
+
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: Encrypting Phase 2 SOH data",
+			req, req_len);
+
+	req += sizeof(struct eap_hdr);
+	req_len -= sizeof(struct eap_hdr);
+	wpabuf_set(&msgbuf, req, req_len);
+
+	encr_req = eap_server_tls_encrypt(sm, &data->ssl, &msgbuf);
+	wpabuf_free(buf);
+
+	return encr_req;
+}
+#endif /* EAP_SERVER_TNC */
+
+
+static void eap_peap_get_isk(struct eap_peap_data *data,
+			     u8 *isk, size_t isk_len)
+{
+	size_t key_len;
+
+	os_memset(isk, 0, isk_len);
+	if (data->phase2_key == NULL)
+		return;
+
+	key_len = data->phase2_key_len;
+	if (key_len > isk_len)
+		key_len = isk_len;
+	os_memcpy(isk, data->phase2_key, key_len);
+}
+
+
+static int eap_peap_derive_cmk(struct eap_sm *sm, struct eap_peap_data *data)
+{
+	u8 *tk;
+	u8 isk[32], imck[60];
+
+	/*
+	 * Tunnel key (TK) is the first 60 octets of the key generated by
+	 * phase 1 of PEAP (based on TLS).
+	 */
+	tk = eap_server_tls_derive_key(sm, &data->ssl, "client EAP encryption",
+				       EAP_TLS_KEY_LEN);
+	if (tk == NULL)
+		return -1;
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: TK", tk, 60);
+
+	eap_peap_get_isk(data, isk, sizeof(isk));
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: ISK", isk, sizeof(isk));
+
+	/*
+	 * IPMK Seed = "Inner Methods Compound Keys" | ISK
+	 * TempKey = First 40 octets of TK
+	 * IPMK|CMK = PRF+(TempKey, IPMK Seed, 60)
+	 * (note: draft-josefsson-pppext-eap-tls-eap-10.txt includes a space
+	 * in the end of the label just before ISK; is that just a typo?)
+	 */
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: TempKey", tk, 40);
+	peap_prfplus(data->peap_version, tk, 40, "Inner Methods Compound Keys",
+		     isk, sizeof(isk), imck, sizeof(imck));
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: IMCK (IPMKj)",
+			imck, sizeof(imck));
+
+	os_free(tk);
+
+	/* TODO: fast-connect: IPMK|CMK = TK */
+	os_memcpy(data->ipmk, imck, 40);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: IPMK (S-IPMKj)", data->ipmk, 40);
+	os_memcpy(data->cmk, imck + 40, 20);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: CMK (CMKj)", data->cmk, 20);
+
+	return 0;
+}
+
+
+static struct wpabuf * eap_peap_build_phase2_tlv(struct eap_sm *sm,
+						 struct eap_peap_data *data,
+						 u8 id)
+{
+	struct wpabuf *buf, *encr_req;
+	size_t mlen;
+
+	mlen = 6; /* Result TLV */
+	if (data->crypto_binding != NO_BINDING)
+		mlen += 60; /* Cryptobinding TLV */
+#ifdef EAP_SERVER_TNC
+	if (data->soh_response)
+		mlen += wpabuf_len(data->soh_response);
+#endif /* EAP_SERVER_TNC */
+
+	buf = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_TLV, mlen,
+			    EAP_CODE_REQUEST, id);
+	if (buf == NULL)
+		return NULL;
+
+	wpabuf_put_u8(buf, 0x80); /* Mandatory */
+	wpabuf_put_u8(buf, EAP_TLV_RESULT_TLV);
+	/* Length */
+	wpabuf_put_be16(buf, 2);
+	/* Status */
+	wpabuf_put_be16(buf, data->tlv_request == TLV_REQ_SUCCESS ?
+			EAP_TLV_RESULT_SUCCESS : EAP_TLV_RESULT_FAILURE);
+
+	if (data->peap_version == 0 && data->tlv_request == TLV_REQ_SUCCESS &&
+	    data->crypto_binding != NO_BINDING) {
+		u8 *mac;
+		u8 eap_type = EAP_TYPE_PEAP;
+		const u8 *addr[2];
+		size_t len[2];
+		u16 tlv_type;
+
+#ifdef EAP_SERVER_TNC
+		if (data->soh_response) {
+			wpa_printf(MSG_DEBUG, "EAP-PEAP: Adding MS-SOH "
+				   "Response TLV");
+			wpabuf_put_buf(buf, data->soh_response);
+			wpabuf_free(data->soh_response);
+			data->soh_response = NULL;
+		}
+#endif /* EAP_SERVER_TNC */
+
+		if (eap_peap_derive_cmk(sm, data) < 0 ||
+		    random_get_bytes(data->binding_nonce, 32)) {
+			wpabuf_free(buf);
+			return NULL;
+		}
+
+		/* Compound_MAC: HMAC-SHA1-160(cryptobinding TLV | EAP type) */
+		addr[0] = wpabuf_put(buf, 0);
+		len[0] = 60;
+		addr[1] = &eap_type;
+		len[1] = 1;
+
+		tlv_type = EAP_TLV_CRYPTO_BINDING_TLV;
+		if (data->peap_version >= 2)
+			tlv_type |= EAP_TLV_TYPE_MANDATORY;
+		wpabuf_put_be16(buf, tlv_type);
+		wpabuf_put_be16(buf, 56);
+
+		wpabuf_put_u8(buf, 0); /* Reserved */
+		wpabuf_put_u8(buf, data->peap_version); /* Version */
+		wpabuf_put_u8(buf, data->recv_version); /* RecvVersion */
+		wpabuf_put_u8(buf, 0); /* SubType: 0 = Request, 1 = Response */
+		wpabuf_put_data(buf, data->binding_nonce, 32); /* Nonce */
+		mac = wpabuf_put(buf, 20); /* Compound_MAC */
+		wpa_hexdump(MSG_MSGDUMP, "EAP-PEAP: Compound_MAC CMK",
+			    data->cmk, 20);
+		wpa_hexdump(MSG_MSGDUMP, "EAP-PEAP: Compound_MAC data 1",
+			    addr[0], len[0]);
+		wpa_hexdump(MSG_MSGDUMP, "EAP-PEAP: Compound_MAC data 2",
+			    addr[1], len[1]);
+		hmac_sha1_vector(data->cmk, 20, 2, addr, len, mac);
+		wpa_hexdump(MSG_MSGDUMP, "EAP-PEAP: Compound_MAC",
+			    mac, SHA1_MAC_LEN);
+		data->crypto_binding_sent = 1;
+	}
+
+	wpa_hexdump_buf_key(MSG_DEBUG, "EAP-PEAP: Encrypting Phase 2 TLV data",
+			    buf);
+
+	encr_req = eap_server_tls_encrypt(sm, &data->ssl, buf);
+	wpabuf_free(buf);
+
+	return encr_req;
+}
+
+
+static struct wpabuf * eap_peap_build_phase2_term(struct eap_sm *sm,
+						  struct eap_peap_data *data,
+						  u8 id, int success)
+{
+	struct wpabuf *encr_req, msgbuf;
+	size_t req_len;
+	struct eap_hdr *hdr;
+
+	req_len = sizeof(*hdr);
+	hdr = os_zalloc(req_len);
+	if (hdr == NULL)
+		return NULL;
+
+	hdr->code = success ? EAP_CODE_SUCCESS : EAP_CODE_FAILURE;
+	hdr->identifier = id;
+	hdr->length = host_to_be16(req_len);
+
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: Encrypting Phase 2 data",
+			(u8 *) hdr, req_len);
+
+	wpabuf_set(&msgbuf, hdr, req_len);
+	encr_req = eap_server_tls_encrypt(sm, &data->ssl, &msgbuf);
+	os_free(hdr);
+
+	return encr_req;
+}
+
+
+static struct wpabuf * eap_peap_buildReq(struct eap_sm *sm, void *priv, u8 id)
+{
+	struct eap_peap_data *data = priv;
+
+	if (data->ssl.state == FRAG_ACK) {
+		return eap_server_tls_build_ack(id, EAP_TYPE_PEAP,
+						data->peap_version);
+	}
+
+	if (data->ssl.state == WAIT_FRAG_ACK) {
+		return eap_server_tls_build_msg(&data->ssl, EAP_TYPE_PEAP,
+						data->peap_version, id);
+	}
+
+	switch (data->state) {
+	case START:
+		return eap_peap_build_start(sm, data, id);
+	case PHASE1:
+	case PHASE1_ID2:
+		if (data->peap_version < 2 &&
+		    tls_connection_established(sm->ssl_ctx, data->ssl.conn)) {
+			wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase1 done, "
+				   "starting Phase2");
+			eap_peap_state(data, PHASE2_START);
+		}
+		break;
+	case PHASE2_ID:
+	case PHASE2_METHOD:
+		wpabuf_free(data->ssl.tls_out);
+		data->ssl.tls_out_pos = 0;
+		data->ssl.tls_out = eap_peap_build_phase2_req(sm, data, id);
+		break;
+#ifdef EAP_SERVER_TNC
+	case PHASE2_SOH:
+		wpabuf_free(data->ssl.tls_out);
+		data->ssl.tls_out_pos = 0;
+		data->ssl.tls_out = eap_peap_build_phase2_soh(sm, data, id);
+		break;
+#endif /* EAP_SERVER_TNC */
+	case PHASE2_TLV:
+		wpabuf_free(data->ssl.tls_out);
+		data->ssl.tls_out_pos = 0;
+		data->ssl.tls_out = eap_peap_build_phase2_tlv(sm, data, id);
+		break;
+	case SUCCESS_REQ:
+		wpabuf_free(data->ssl.tls_out);
+		data->ssl.tls_out_pos = 0;
+		data->ssl.tls_out = eap_peap_build_phase2_term(sm, data, id,
+							       1);
+		break;
+	case FAILURE_REQ:
+		wpabuf_free(data->ssl.tls_out);
+		data->ssl.tls_out_pos = 0;
+		data->ssl.tls_out = eap_peap_build_phase2_term(sm, data, id,
+							       0);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: %s - unexpected state %d",
+			   __func__, data->state);
+		return NULL;
+	}
+
+	return eap_server_tls_build_msg(&data->ssl, EAP_TYPE_PEAP,
+					data->peap_version, id);
+}
+
+
+static Boolean eap_peap_check(struct eap_sm *sm, void *priv,
+			      struct wpabuf *respData)
+{
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PEAP, respData, &len);
+	if (pos == NULL || len < 1) {
+		wpa_printf(MSG_INFO, "EAP-PEAP: Invalid frame");
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+static int eap_peap_phase2_init(struct eap_sm *sm, struct eap_peap_data *data,
+				EapType eap_type)
+{
+	if (data->phase2_priv && data->phase2_method) {
+		data->phase2_method->reset(sm, data->phase2_priv);
+		data->phase2_method = NULL;
+		data->phase2_priv = NULL;
+	}
+	data->phase2_method = eap_server_get_eap_method(EAP_VENDOR_IETF,
+							eap_type);
+	if (!data->phase2_method)
+		return -1;
+
+	sm->init_phase2 = 1;
+	data->phase2_priv = data->phase2_method->init(sm);
+	sm->init_phase2 = 0;
+	return 0;
+}
+
+
+static int eap_tlv_validate_cryptobinding(struct eap_sm *sm,
+					  struct eap_peap_data *data,
+					  const u8 *crypto_tlv,
+					  size_t crypto_tlv_len)
+{
+	u8 buf[61], mac[SHA1_MAC_LEN];
+	const u8 *pos;
+
+	if (crypto_tlv_len != 4 + 56) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Invalid cryptobinding TLV "
+			   "length %d", (int) crypto_tlv_len);
+		return -1;
+	}
+
+	pos = crypto_tlv;
+	pos += 4; /* TLV header */
+	if (pos[1] != data->peap_version) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Cryptobinding TLV Version "
+			   "mismatch (was %d; expected %d)",
+			   pos[1], data->peap_version);
+		return -1;
+	}
+
+	if (pos[3] != 1) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Unexpected Cryptobinding TLV "
+			   "SubType %d", pos[3]);
+		return -1;
+	}
+	pos += 4;
+	pos += 32; /* Nonce */
+
+	/* Compound_MAC: HMAC-SHA1-160(cryptobinding TLV | EAP type) */
+	os_memcpy(buf, crypto_tlv, 60);
+	os_memset(buf + 4 + 4 + 32, 0, 20); /* Compound_MAC */
+	buf[60] = EAP_TYPE_PEAP;
+	hmac_sha1(data->cmk, 20, buf, sizeof(buf), mac);
+
+	if (os_memcmp(mac, pos, SHA1_MAC_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Invalid Compound_MAC in "
+			   "cryptobinding TLV");
+		wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: CMK", data->cmk, 20);
+		wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Cryptobinding seed data",
+			    buf, 61);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-PEAP: Valid cryptobinding TLV received");
+
+	return 0;
+}
+
+
+static void eap_peap_process_phase2_tlv(struct eap_sm *sm,
+					struct eap_peap_data *data,
+					struct wpabuf *in_data)
+{
+	const u8 *pos;
+	size_t left;
+	const u8 *result_tlv = NULL, *crypto_tlv = NULL;
+	size_t result_tlv_len = 0, crypto_tlv_len = 0;
+	int tlv_type, mandatory, tlv_len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_TLV, in_data, &left);
+	if (pos == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Invalid EAP-TLV header");
+		return;
+	}
+
+	/* Parse TLVs */
+	wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Received TLVs", pos, left);
+	while (left >= 4) {
+		mandatory = !!(pos[0] & 0x80);
+		tlv_type = pos[0] & 0x3f;
+		tlv_type = (tlv_type << 8) | pos[1];
+		tlv_len = ((int) pos[2] << 8) | pos[3];
+		pos += 4;
+		left -= 4;
+		if ((size_t) tlv_len > left) {
+			wpa_printf(MSG_DEBUG, "EAP-PEAP: TLV underrun "
+				   "(tlv_len=%d left=%lu)", tlv_len,
+				   (unsigned long) left);
+			eap_peap_state(data, FAILURE);
+			return;
+		}
+		switch (tlv_type) {
+		case EAP_TLV_RESULT_TLV:
+			result_tlv = pos;
+			result_tlv_len = tlv_len;
+			break;
+		case EAP_TLV_CRYPTO_BINDING_TLV:
+			crypto_tlv = pos;
+			crypto_tlv_len = tlv_len;
+			break;
+		default:
+			wpa_printf(MSG_DEBUG, "EAP-PEAP: Unsupported TLV Type "
+				   "%d%s", tlv_type,
+				   mandatory ? " (mandatory)" : "");
+			if (mandatory) {
+				eap_peap_state(data, FAILURE);
+				return;
+			}
+			/* Ignore this TLV, but process other TLVs */
+			break;
+		}
+
+		pos += tlv_len;
+		left -= tlv_len;
+	}
+	if (left) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Last TLV too short in "
+			   "Request (left=%lu)", (unsigned long) left);
+		eap_peap_state(data, FAILURE);
+		return;
+	}
+
+	/* Process supported TLVs */
+	if (crypto_tlv && data->crypto_binding_sent) {
+		wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Cryptobinding TLV",
+			    crypto_tlv, crypto_tlv_len);
+		if (eap_tlv_validate_cryptobinding(sm, data, crypto_tlv - 4,
+						   crypto_tlv_len + 4) < 0) {
+			eap_peap_state(data, FAILURE);
+			return;
+		}
+		data->crypto_binding_used = 1;
+	} else if (!crypto_tlv && data->crypto_binding_sent &&
+		   data->crypto_binding == REQUIRE_BINDING) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: No cryptobinding TLV");
+		eap_peap_state(data, FAILURE);
+		return;
+	}
+
+	if (result_tlv) {
+		int status;
+		const char *requested;
+
+		wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Result TLV",
+			    result_tlv, result_tlv_len);
+		if (result_tlv_len < 2) {
+			wpa_printf(MSG_INFO, "EAP-PEAP: Too short Result TLV "
+				   "(len=%lu)",
+				   (unsigned long) result_tlv_len);
+			eap_peap_state(data, FAILURE);
+			return;
+		}
+		requested = data->tlv_request == TLV_REQ_SUCCESS ? "Success" :
+			"Failure";
+		status = WPA_GET_BE16(result_tlv);
+		if (status == EAP_TLV_RESULT_SUCCESS) {
+			wpa_printf(MSG_INFO, "EAP-PEAP: TLV Result - Success "
+				   "- requested %s", requested);
+			if (data->tlv_request == TLV_REQ_SUCCESS)
+				eap_peap_state(data, SUCCESS);
+			else
+				eap_peap_state(data, FAILURE);
+			
+		} else if (status == EAP_TLV_RESULT_FAILURE) {
+			wpa_printf(MSG_INFO, "EAP-PEAP: TLV Result - Failure "
+				   "- requested %s", requested);
+			eap_peap_state(data, FAILURE);
+		} else {
+			wpa_printf(MSG_INFO, "EAP-PEAP: Unknown TLV Result "
+				   "Status %d", status);
+			eap_peap_state(data, FAILURE);
+		}
+	}
+}
+
+
+#ifdef EAP_SERVER_TNC
+static void eap_peap_process_phase2_soh(struct eap_sm *sm,
+					struct eap_peap_data *data,
+					struct wpabuf *in_data)
+{
+	const u8 *pos, *vpos;
+	size_t left;
+	const u8 *soh_tlv = NULL;
+	size_t soh_tlv_len = 0;
+	int tlv_type, mandatory, tlv_len, vtlv_len;
+	u8 next_type;
+	u32 vendor_id;
+
+	pos = eap_hdr_validate(EAP_VENDOR_MICROSOFT, 0x21, in_data, &left);
+	if (pos == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Not a valid SoH EAP "
+			   "Extensions Method header - skip TNC");
+		goto auth_method;
+	}
+
+	/* Parse TLVs */
+	wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Received TLVs (SoH)", pos, left);
+	while (left >= 4) {
+		mandatory = !!(pos[0] & 0x80);
+		tlv_type = pos[0] & 0x3f;
+		tlv_type = (tlv_type << 8) | pos[1];
+		tlv_len = ((int) pos[2] << 8) | pos[3];
+		pos += 4;
+		left -= 4;
+		if ((size_t) tlv_len > left) {
+			wpa_printf(MSG_DEBUG, "EAP-PEAP: TLV underrun "
+				   "(tlv_len=%d left=%lu)", tlv_len,
+				   (unsigned long) left);
+			eap_peap_state(data, FAILURE);
+			return;
+		}
+		switch (tlv_type) {
+		case EAP_TLV_VENDOR_SPECIFIC_TLV:
+			if (tlv_len < 4) {
+				wpa_printf(MSG_DEBUG, "EAP-PEAP: Too short "
+					   "vendor specific TLV (len=%d)",
+					   (int) tlv_len);
+				eap_peap_state(data, FAILURE);
+				return;
+			}
+
+			vendor_id = WPA_GET_BE32(pos);
+			if (vendor_id != EAP_VENDOR_MICROSOFT) {
+				if (mandatory) {
+					eap_peap_state(data, FAILURE);
+					return;
+				}
+				break;
+			}
+
+			vpos = pos + 4;
+			mandatory = !!(vpos[0] & 0x80);
+			tlv_type = vpos[0] & 0x3f;
+			tlv_type = (tlv_type << 8) | vpos[1];
+			vtlv_len = ((int) vpos[2] << 8) | vpos[3];
+			vpos += 4;
+			if (vpos + vtlv_len > pos + left) {
+				wpa_printf(MSG_DEBUG, "EAP-PEAP: Vendor TLV "
+					   "underrun");
+				eap_peap_state(data, FAILURE);
+				return;
+			}
+
+			if (tlv_type == 1) {
+				soh_tlv = vpos;
+				soh_tlv_len = vtlv_len;
+				break;
+			}
+
+			wpa_printf(MSG_DEBUG, "EAP-PEAP: Unsupported MS-TLV "
+				   "Type %d%s", tlv_type,
+				   mandatory ? " (mandatory)" : "");
+			if (mandatory) {
+				eap_peap_state(data, FAILURE);
+				return;
+			}
+			/* Ignore this TLV, but process other TLVs */
+			break;
+		default:
+			wpa_printf(MSG_DEBUG, "EAP-PEAP: Unsupported TLV Type "
+				   "%d%s", tlv_type,
+				   mandatory ? " (mandatory)" : "");
+			if (mandatory) {
+				eap_peap_state(data, FAILURE);
+				return;
+			}
+			/* Ignore this TLV, but process other TLVs */
+			break;
+		}
+
+		pos += tlv_len;
+		left -= tlv_len;
+	}
+	if (left) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Last TLV too short in "
+			   "Request (left=%lu)", (unsigned long) left);
+		eap_peap_state(data, FAILURE);
+		return;
+	}
+
+	/* Process supported TLVs */
+	if (soh_tlv) {
+		int failure = 0;
+		wpabuf_free(data->soh_response);
+		data->soh_response = tncs_process_soh(soh_tlv, soh_tlv_len,
+						      &failure);
+		if (failure) {
+			eap_peap_state(data, FAILURE);
+			return;
+		}
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: No SoH TLV received");
+		eap_peap_state(data, FAILURE);
+		return;
+	}
+
+auth_method:
+	eap_peap_state(data, PHASE2_METHOD);
+	next_type = sm->user->methods[0].method;
+	sm->user_eap_method_index = 1;
+	wpa_printf(MSG_DEBUG, "EAP-PEAP: try EAP type %d", next_type);
+	eap_peap_phase2_init(sm, data, next_type);
+}
+#endif /* EAP_SERVER_TNC */
+
+
+static void eap_peap_process_phase2_response(struct eap_sm *sm,
+					     struct eap_peap_data *data,
+					     struct wpabuf *in_data)
+{
+	u8 next_type = EAP_TYPE_NONE;
+	const struct eap_hdr *hdr;
+	const u8 *pos;
+	size_t left;
+
+	if (data->state == PHASE2_TLV) {
+		eap_peap_process_phase2_tlv(sm, data, in_data);
+		return;
+	}
+
+#ifdef EAP_SERVER_TNC
+	if (data->state == PHASE2_SOH) {
+		eap_peap_process_phase2_soh(sm, data, in_data);
+		return;
+	}
+#endif /* EAP_SERVER_TNC */
+
+	if (data->phase2_priv == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: %s - Phase2 not "
+			   "initialized?!", __func__);
+		return;
+	}
+
+	hdr = wpabuf_head(in_data);
+	pos = (const u8 *) (hdr + 1);
+
+	if (wpabuf_len(in_data) > sizeof(*hdr) && *pos == EAP_TYPE_NAK) {
+		left = wpabuf_len(in_data) - sizeof(*hdr);
+		wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Phase2 type Nak'ed; "
+			    "allowed types", pos + 1, left - 1);
+		eap_sm_process_nak(sm, pos + 1, left - 1);
+		if (sm->user && sm->user_eap_method_index < EAP_MAX_METHODS &&
+		    sm->user->methods[sm->user_eap_method_index].method !=
+		    EAP_TYPE_NONE) {
+			next_type = sm->user->methods[
+				sm->user_eap_method_index++].method;
+			wpa_printf(MSG_DEBUG, "EAP-PEAP: try EAP type %d",
+				   next_type);
+		} else {
+			eap_peap_req_failure(sm, data);
+			next_type = EAP_TYPE_NONE;
+		}
+		eap_peap_phase2_init(sm, data, next_type);
+		return;
+	}
+
+	if (data->phase2_method->check(sm, data->phase2_priv, in_data)) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase2 check() asked to "
+			   "ignore the packet");
+		return;
+	}
+
+	data->phase2_method->process(sm, data->phase2_priv, in_data);
+
+	if (sm->method_pending == METHOD_PENDING_WAIT) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase2 method is in "
+			   "pending wait state - save decrypted response");
+		wpabuf_free(data->pending_phase2_resp);
+		data->pending_phase2_resp = wpabuf_dup(in_data);
+	}
+
+	if (!data->phase2_method->isDone(sm, data->phase2_priv))
+		return;
+
+	if (!data->phase2_method->isSuccess(sm, data->phase2_priv)) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase2 method failed");
+		eap_peap_req_failure(sm, data);
+		next_type = EAP_TYPE_NONE;
+		eap_peap_phase2_init(sm, data, next_type);
+		return;
+	}
+
+	os_free(data->phase2_key);
+	if (data->phase2_method->getKey) {
+		data->phase2_key = data->phase2_method->getKey(
+			sm, data->phase2_priv, &data->phase2_key_len);
+		if (data->phase2_key == NULL) {
+			wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase2 getKey "
+				   "failed");
+			eap_peap_req_failure(sm, data);
+			eap_peap_phase2_init(sm, data, EAP_TYPE_NONE);
+			return;
+		}
+	}
+
+	switch (data->state) {
+	case PHASE1_ID2:
+	case PHASE2_ID:
+	case PHASE2_SOH:
+		if (eap_user_get(sm, sm->identity, sm->identity_len, 1) != 0) {
+			wpa_hexdump_ascii(MSG_DEBUG, "EAP_PEAP: Phase2 "
+					  "Identity not found in the user "
+					  "database",
+					  sm->identity, sm->identity_len);
+			eap_peap_req_failure(sm, data);
+			next_type = EAP_TYPE_NONE;
+			break;
+		}
+
+#ifdef EAP_SERVER_TNC
+		if (data->state != PHASE2_SOH && sm->tnc &&
+		    data->peap_version == 0) {
+			eap_peap_state(data, PHASE2_SOH);
+			wpa_printf(MSG_DEBUG, "EAP-PEAP: Try to initialize "
+				   "TNC (NAP SOH)");
+			next_type = EAP_TYPE_NONE;
+			break;
+		}
+#endif /* EAP_SERVER_TNC */
+
+		eap_peap_state(data, PHASE2_METHOD);
+		next_type = sm->user->methods[0].method;
+		sm->user_eap_method_index = 1;
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: try EAP type %d", next_type);
+		break;
+	case PHASE2_METHOD:
+		eap_peap_req_success(sm, data);
+		next_type = EAP_TYPE_NONE;
+		break;
+	case FAILURE:
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: %s - unexpected state %d",
+			   __func__, data->state);
+		break;
+	}
+
+	eap_peap_phase2_init(sm, data, next_type);
+}
+
+
+static void eap_peap_process_phase2(struct eap_sm *sm,
+				    struct eap_peap_data *data,
+				    const struct wpabuf *respData,
+				    struct wpabuf *in_buf)
+{
+	struct wpabuf *in_decrypted;
+	const struct eap_hdr *hdr;
+	size_t len;
+
+	wpa_printf(MSG_DEBUG, "EAP-PEAP: received %lu bytes encrypted data for"
+		   " Phase 2", (unsigned long) wpabuf_len(in_buf));
+
+	if (data->pending_phase2_resp) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Pending Phase 2 response - "
+			   "skip decryption and use old data");
+		eap_peap_process_phase2_response(sm, data,
+						 data->pending_phase2_resp);
+		wpabuf_free(data->pending_phase2_resp);
+		data->pending_phase2_resp = NULL;
+		return;
+	}
+
+	in_decrypted = tls_connection_decrypt(sm->ssl_ctx, data->ssl.conn,
+					      in_buf);
+	if (in_decrypted == NULL) {
+		wpa_printf(MSG_INFO, "EAP-PEAP: Failed to decrypt Phase 2 "
+			   "data");
+		eap_peap_state(data, FAILURE);
+		return;
+	}
+
+	wpa_hexdump_buf_key(MSG_DEBUG, "EAP-PEAP: Decrypted Phase 2 EAP",
+			    in_decrypted);
+
+	hdr = wpabuf_head(in_decrypted);
+
+	if (data->peap_version == 0 && data->state != PHASE2_TLV) {
+		const struct eap_hdr *resp;
+		struct eap_hdr *nhdr;
+		struct wpabuf *nbuf =
+			wpabuf_alloc(sizeof(struct eap_hdr) +
+				     wpabuf_len(in_decrypted));
+		if (nbuf == NULL) {
+			wpabuf_free(in_decrypted);
+			return;
+		}
+
+		resp = wpabuf_head(respData);
+		nhdr = wpabuf_put(nbuf, sizeof(*nhdr));
+		nhdr->code = resp->code;
+		nhdr->identifier = resp->identifier;
+		nhdr->length = host_to_be16(sizeof(struct eap_hdr) +
+					    wpabuf_len(in_decrypted));
+		wpabuf_put_buf(nbuf, in_decrypted);
+		wpabuf_free(in_decrypted);
+
+		in_decrypted = nbuf;
+	} else if (data->peap_version >= 2) {
+		struct eap_tlv_hdr *tlv;
+		struct wpabuf *nmsg;
+
+		if (wpabuf_len(in_decrypted) < sizeof(*tlv) + sizeof(*hdr)) {
+			wpa_printf(MSG_INFO, "EAP-PEAPv2: Too short Phase 2 "
+				   "EAP TLV");
+			wpabuf_free(in_decrypted);
+			return;
+		}
+		tlv = wpabuf_mhead(in_decrypted);
+		if ((be_to_host16(tlv->tlv_type) & EAP_TLV_TYPE_MASK) !=
+		    EAP_TLV_EAP_PAYLOAD_TLV) {
+			wpa_printf(MSG_INFO, "EAP-PEAPv2: Not an EAP TLV");
+			wpabuf_free(in_decrypted);
+			return;
+		}
+		if (sizeof(*tlv) + be_to_host16(tlv->length) >
+		    wpabuf_len(in_decrypted)) {
+			wpa_printf(MSG_INFO, "EAP-PEAPv2: Invalid EAP TLV "
+				   "length");
+			wpabuf_free(in_decrypted);
+			return;
+		}
+		hdr = (struct eap_hdr *) (tlv + 1);
+		if (be_to_host16(hdr->length) > be_to_host16(tlv->length)) {
+			wpa_printf(MSG_INFO, "EAP-PEAPv2: No room for full "
+				   "EAP packet in EAP TLV");
+			wpabuf_free(in_decrypted);
+			return;
+		}
+
+		nmsg = wpabuf_alloc(be_to_host16(hdr->length));
+		if (nmsg == NULL) {
+			wpabuf_free(in_decrypted);
+			return;
+		}
+
+		wpabuf_put_data(nmsg, hdr, be_to_host16(hdr->length));
+		wpabuf_free(in_decrypted);
+		in_decrypted = nmsg;
+	}
+
+	hdr = wpabuf_head(in_decrypted);
+	if (wpabuf_len(in_decrypted) < (int) sizeof(*hdr)) {
+		wpa_printf(MSG_INFO, "EAP-PEAP: Too short Phase 2 "
+			   "EAP frame (len=%lu)",
+			   (unsigned long) wpabuf_len(in_decrypted));
+		wpabuf_free(in_decrypted);
+		eap_peap_req_failure(sm, data);
+		return;
+	}
+	len = be_to_host16(hdr->length);
+	if (len > wpabuf_len(in_decrypted)) {
+		wpa_printf(MSG_INFO, "EAP-PEAP: Length mismatch in "
+			   "Phase 2 EAP frame (len=%lu hdr->length=%lu)",
+			   (unsigned long) wpabuf_len(in_decrypted),
+			   (unsigned long) len);
+		wpabuf_free(in_decrypted);
+		eap_peap_req_failure(sm, data);
+		return;
+	}
+	wpa_printf(MSG_DEBUG, "EAP-PEAP: received Phase 2: code=%d "
+		   "identifier=%d length=%lu", hdr->code, hdr->identifier,
+		   (unsigned long) len);
+	switch (hdr->code) {
+	case EAP_CODE_RESPONSE:
+		eap_peap_process_phase2_response(sm, data, in_decrypted);
+		break;
+	case EAP_CODE_SUCCESS:
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase 2 Success");
+		if (data->state == SUCCESS_REQ) {
+			eap_peap_state(data, SUCCESS);
+		}
+		break;
+	case EAP_CODE_FAILURE:
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase 2 Failure");
+		eap_peap_state(data, FAILURE);
+		break;
+	default:
+		wpa_printf(MSG_INFO, "EAP-PEAP: Unexpected code=%d in "
+			   "Phase 2 EAP header", hdr->code);
+		break;
+	}
+
+	wpabuf_free(in_decrypted);
+}
+
+
+static int eap_peapv2_start_phase2(struct eap_sm *sm,
+				   struct eap_peap_data *data)
+{
+	struct wpabuf *buf, *buf2;
+
+	wpa_printf(MSG_DEBUG, "EAP-PEAPv2: Phase1 done, include first Phase2 "
+		   "payload in the same message");
+	eap_peap_state(data, PHASE1_ID2);
+	if (eap_peap_phase2_init(sm, data, EAP_TYPE_IDENTITY))
+		return -1;
+
+	/* TODO: which Id to use here? */
+	buf = data->phase2_method->buildReq(sm, data->phase2_priv, 6);
+	if (buf == NULL)
+		return -1;
+
+	buf2 = eap_peapv2_tlv_eap_payload(buf);
+	if (buf2 == NULL)
+		return -1;
+
+	wpa_hexdump_buf(MSG_DEBUG, "EAP-PEAPv2: Identity Request", buf2);
+
+	buf = tls_connection_encrypt(sm->ssl_ctx, data->ssl.conn,
+				     buf2);
+	wpabuf_free(buf2);
+
+	if (buf == NULL) {
+		wpa_printf(MSG_INFO, "EAP-PEAPv2: Failed to encrypt Phase 2 "
+			   "data");
+		return -1;
+	}
+
+	wpa_hexdump_buf(MSG_DEBUG, "EAP-PEAPv2: Encrypted Identity Request",
+			buf);
+
+	/* Append TLS data into the pending buffer after the Server Finished */
+	if (wpabuf_resize(&data->ssl.tls_out, wpabuf_len(buf)) < 0) {
+		wpabuf_free(buf);
+		return -1;
+	}
+	wpabuf_put_buf(data->ssl.tls_out, buf);
+	wpabuf_free(buf);
+
+	return 0;
+}
+
+
+static int eap_peap_process_version(struct eap_sm *sm, void *priv,
+				    int peer_version)
+{
+	struct eap_peap_data *data = priv;
+
+	data->recv_version = peer_version;
+	if (data->force_version >= 0 && peer_version != data->force_version) {
+		wpa_printf(MSG_INFO, "EAP-PEAP: peer did not select the forced"
+			   " version (forced=%d peer=%d) - reject",
+			   data->force_version, peer_version);
+		return -1;
+	}
+	if (peer_version < data->peap_version) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: peer ver=%d, own ver=%d; "
+			   "use version %d",
+			   peer_version, data->peap_version, peer_version);
+		data->peap_version = peer_version;
+	}
+
+	return 0;
+}
+
+
+static void eap_peap_process_msg(struct eap_sm *sm, void *priv,
+				 const struct wpabuf *respData)
+{
+	struct eap_peap_data *data = priv;
+
+	switch (data->state) {
+	case PHASE1:
+		if (eap_server_tls_phase1(sm, &data->ssl) < 0) {
+			eap_peap_state(data, FAILURE);
+			break;
+		}
+
+		if (data->peap_version >= 2 &&
+		    tls_connection_established(sm->ssl_ctx, data->ssl.conn)) {
+			if (eap_peapv2_start_phase2(sm, data)) {
+				eap_peap_state(data, FAILURE);
+				break;
+			}
+		}
+		break;
+	case PHASE2_START:
+		eap_peap_state(data, PHASE2_ID);
+		eap_peap_phase2_init(sm, data, EAP_TYPE_IDENTITY);
+		break;
+	case PHASE1_ID2:
+	case PHASE2_ID:
+	case PHASE2_METHOD:
+	case PHASE2_SOH:
+	case PHASE2_TLV:
+		eap_peap_process_phase2(sm, data, respData, data->ssl.tls_in);
+		break;
+	case SUCCESS_REQ:
+		eap_peap_state(data, SUCCESS);
+		break;
+	case FAILURE_REQ:
+		eap_peap_state(data, FAILURE);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Unexpected state %d in %s",
+			   data->state, __func__);
+		break;
+	}
+}
+
+
+static void eap_peap_process(struct eap_sm *sm, void *priv,
+			     struct wpabuf *respData)
+{
+	struct eap_peap_data *data = priv;
+	if (eap_server_tls_process(sm, &data->ssl, respData, data,
+				   EAP_TYPE_PEAP, eap_peap_process_version,
+				   eap_peap_process_msg) < 0)
+		eap_peap_state(data, FAILURE);
+}
+
+
+static Boolean eap_peap_isDone(struct eap_sm *sm, void *priv)
+{
+	struct eap_peap_data *data = priv;
+	return data->state == SUCCESS || data->state == FAILURE;
+}
+
+
+static u8 * eap_peap_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_peap_data *data = priv;
+	u8 *eapKeyData;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	if (data->crypto_binding_used) {
+		u8 csk[128];
+		/*
+		 * Note: It looks like Microsoft implementation requires null
+		 * termination for this label while the one used for deriving
+		 * IPMK|CMK did not use null termination.
+		 */
+		peap_prfplus(data->peap_version, data->ipmk, 40,
+			     "Session Key Generating Function",
+			     (u8 *) "\00", 1, csk, sizeof(csk));
+		wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: CSK", csk, sizeof(csk));
+		eapKeyData = os_malloc(EAP_TLS_KEY_LEN);
+		if (eapKeyData) {
+			os_memcpy(eapKeyData, csk, EAP_TLS_KEY_LEN);
+			*len = EAP_TLS_KEY_LEN;
+			wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Derived key",
+				    eapKeyData, EAP_TLS_KEY_LEN);
+		} else {
+			wpa_printf(MSG_DEBUG, "EAP-PEAP: Failed to derive "
+				   "key");
+		}
+
+		return eapKeyData;
+	}
+
+	/* TODO: PEAPv1 - different label in some cases */
+	eapKeyData = eap_server_tls_derive_key(sm, &data->ssl,
+					       "client EAP encryption",
+					       EAP_TLS_KEY_LEN);
+	if (eapKeyData) {
+		*len = EAP_TLS_KEY_LEN;
+		wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Derived key",
+			    eapKeyData, EAP_TLS_KEY_LEN);
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Failed to derive key");
+	}
+
+	return eapKeyData;
+}
+
+
+static Boolean eap_peap_isSuccess(struct eap_sm *sm, void *priv)
+{
+	struct eap_peap_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+int eap_server_peap_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_IETF, EAP_TYPE_PEAP, "PEAP");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_peap_init;
+	eap->reset = eap_peap_reset;
+	eap->buildReq = eap_peap_buildReq;
+	eap->check = eap_peap_check;
+	eap->process = eap_peap_process;
+	eap->isDone = eap_peap_isDone;
+	eap->getKey = eap_peap_getKey;
+	eap->isSuccess = eap_peap_isSuccess;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_server/eap_server_psk.c b/src/eap_server/eap_server_psk.c
new file mode 100644
index 0000000..efc7a82
--- /dev/null
+++ b/src/eap_server/eap_server_psk.c
@@ -0,0 +1,518 @@
+/*
+ * hostapd / EAP-PSK (RFC 4764) server
+ * Copyright (c) 2005-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * Note: EAP-PSK is an EAP authentication method and as such, completely
+ * different from WPA-PSK. This file is not needed for WPA-PSK functionality.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/aes_wrap.h"
+#include "crypto/random.h"
+#include "eap_common/eap_psk_common.h"
+#include "eap_server/eap_i.h"
+
+
+struct eap_psk_data {
+	enum { PSK_1, PSK_3, SUCCESS, FAILURE } state;
+	u8 rand_s[EAP_PSK_RAND_LEN];
+	u8 rand_p[EAP_PSK_RAND_LEN];
+	u8 *id_p, *id_s;
+	size_t id_p_len, id_s_len;
+	u8 ak[EAP_PSK_AK_LEN], kdk[EAP_PSK_KDK_LEN], tek[EAP_PSK_TEK_LEN];
+	u8 msk[EAP_MSK_LEN];
+	u8 emsk[EAP_EMSK_LEN];
+};
+
+
+static void * eap_psk_init(struct eap_sm *sm)
+{
+	struct eap_psk_data *data;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = PSK_1;
+	data->id_s = (u8 *) "hostapd";
+	data->id_s_len = 7;
+
+	return data;
+}
+
+
+static void eap_psk_reset(struct eap_sm *sm, void *priv)
+{
+	struct eap_psk_data *data = priv;
+	os_free(data->id_p);
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_psk_build_1(struct eap_sm *sm,
+				       struct eap_psk_data *data, u8 id)
+{
+	struct wpabuf *req;
+	struct eap_psk_hdr_1 *psk;
+
+	wpa_printf(MSG_DEBUG, "EAP-PSK: PSK-1 (sending)");
+
+	if (random_get_bytes(data->rand_s, EAP_PSK_RAND_LEN)) {
+		wpa_printf(MSG_ERROR, "EAP-PSK: Failed to get random data");
+		data->state = FAILURE;
+		return NULL;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PSK: RAND_S (server rand)",
+		    data->rand_s, EAP_PSK_RAND_LEN);
+
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_PSK,
+			    sizeof(*psk) + data->id_s_len,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-PSK: Failed to allocate memory "
+			   "request");
+		data->state = FAILURE;
+		return NULL;
+	}
+
+	psk = wpabuf_put(req, sizeof(*psk));
+	psk->flags = EAP_PSK_FLAGS_SET_T(0); /* T=0 */
+	os_memcpy(psk->rand_s, data->rand_s, EAP_PSK_RAND_LEN);
+	wpabuf_put_data(req, data->id_s, data->id_s_len);
+
+	return req;
+}
+
+
+static struct wpabuf * eap_psk_build_3(struct eap_sm *sm,
+				       struct eap_psk_data *data, u8 id)
+{
+	struct wpabuf *req;
+	struct eap_psk_hdr_3 *psk;
+	u8 *buf, *pchannel, nonce[16];
+	size_t buflen;
+
+	wpa_printf(MSG_DEBUG, "EAP-PSK: PSK-3 (sending)");
+
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_PSK,
+			    sizeof(*psk) + 4 + 16 + 1, EAP_CODE_REQUEST, id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-PSK: Failed to allocate memory "
+			   "request");
+		data->state = FAILURE;
+		return NULL;
+	}
+
+	psk = wpabuf_put(req, sizeof(*psk));
+	psk->flags = EAP_PSK_FLAGS_SET_T(2); /* T=2 */
+	os_memcpy(psk->rand_s, data->rand_s, EAP_PSK_RAND_LEN);
+
+	/* MAC_S = OMAC1-AES-128(AK, ID_S||RAND_P) */
+	buflen = data->id_s_len + EAP_PSK_RAND_LEN;
+	buf = os_malloc(buflen);
+	if (buf == NULL)
+		goto fail;
+
+	os_memcpy(buf, data->id_s, data->id_s_len);
+	os_memcpy(buf + data->id_s_len, data->rand_p, EAP_PSK_RAND_LEN);
+	if (omac1_aes_128(data->ak, buf, buflen, psk->mac_s))
+		goto fail;
+	os_free(buf);
+
+	if (eap_psk_derive_keys(data->kdk, data->rand_p, data->tek, data->msk,
+				data->emsk))
+		goto fail;
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PSK: TEK", data->tek, EAP_PSK_TEK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PSK: MSK", data->msk, EAP_MSK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PSK: EMSK", data->emsk, EAP_EMSK_LEN);
+
+	os_memset(nonce, 0, sizeof(nonce));
+	pchannel = wpabuf_put(req, 4 + 16 + 1);
+	os_memcpy(pchannel, nonce + 12, 4);
+	os_memset(pchannel + 4, 0, 16); /* Tag */
+	pchannel[4 + 16] = EAP_PSK_R_FLAG_DONE_SUCCESS << 6;
+	wpa_hexdump(MSG_DEBUG, "EAP-PSK: PCHANNEL (plaintext)",
+		    pchannel, 4 + 16 + 1);
+	if (aes_128_eax_encrypt(data->tek, nonce, sizeof(nonce),
+				wpabuf_head(req), 22,
+				pchannel + 4 + 16, 1, pchannel + 4))
+		goto fail;
+	wpa_hexdump(MSG_DEBUG, "EAP-PSK: PCHANNEL (encrypted)",
+		    pchannel, 4 + 16 + 1);
+
+	return req;
+
+fail:
+	wpabuf_free(req);
+	data->state = FAILURE;
+	return NULL;
+}
+
+
+static struct wpabuf * eap_psk_buildReq(struct eap_sm *sm, void *priv, u8 id)
+{
+	struct eap_psk_data *data = priv;
+
+	switch (data->state) {
+	case PSK_1:
+		return eap_psk_build_1(sm, data, id);
+	case PSK_3:
+		return eap_psk_build_3(sm, data, id);
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-PSK: Unknown state %d in buildReq",
+			   data->state);
+		break;
+	}
+	return NULL;
+}
+
+
+static Boolean eap_psk_check(struct eap_sm *sm, void *priv,
+			     struct wpabuf *respData)
+{
+	struct eap_psk_data *data = priv;
+	size_t len;
+	u8 t;
+	const u8 *pos;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PSK, respData, &len);
+	if (pos == NULL || len < 1) {
+		wpa_printf(MSG_INFO, "EAP-PSK: Invalid frame");
+		return TRUE;
+	}
+	t = EAP_PSK_FLAGS_GET_T(*pos);
+
+	wpa_printf(MSG_DEBUG, "EAP-PSK: received frame: T=%d", t);
+
+	if (data->state == PSK_1 && t != 1) {
+		wpa_printf(MSG_DEBUG, "EAP-PSK: Expected PSK-2 - "
+			   "ignore T=%d", t);
+		return TRUE;
+	}
+
+	if (data->state == PSK_3 && t != 3) {
+		wpa_printf(MSG_DEBUG, "EAP-PSK: Expected PSK-4 - "
+			   "ignore T=%d", t);
+		return TRUE;
+	}
+
+	if ((t == 1 && len < sizeof(struct eap_psk_hdr_2)) ||
+	    (t == 3 && len < sizeof(struct eap_psk_hdr_4))) {
+		wpa_printf(MSG_DEBUG, "EAP-PSK: Too short frame");
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+static void eap_psk_process_2(struct eap_sm *sm,
+			      struct eap_psk_data *data,
+			      struct wpabuf *respData)
+{
+	const struct eap_psk_hdr_2 *resp;
+	u8 *pos, mac[EAP_PSK_MAC_LEN], *buf;
+	size_t left, buflen;
+	int i;
+	const u8 *cpos;
+
+	if (data->state != PSK_1)
+		return;
+
+	wpa_printf(MSG_DEBUG, "EAP-PSK: Received PSK-2");
+
+	cpos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PSK, respData,
+				&left);
+	if (cpos == NULL || left < sizeof(*resp)) {
+		wpa_printf(MSG_INFO, "EAP-PSK: Invalid frame");
+		return;
+	}
+	resp = (const struct eap_psk_hdr_2 *) cpos;
+	cpos = (const u8 *) (resp + 1);
+	left -= sizeof(*resp);
+
+	os_free(data->id_p);
+	data->id_p = os_malloc(left);
+	if (data->id_p == NULL) {
+		wpa_printf(MSG_INFO, "EAP-PSK: Failed to allocate memory for "
+			   "ID_P");
+		return;
+	}
+	os_memcpy(data->id_p, cpos, left);
+	data->id_p_len = left;
+	wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-PSK: ID_P",
+			  data->id_p, data->id_p_len);
+
+	if (eap_user_get(sm, data->id_p, data->id_p_len, 0) < 0) {
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-PSK: unknown ID_P",
+				  data->id_p, data->id_p_len);
+		data->state = FAILURE;
+		return;
+	}
+
+	for (i = 0;
+	     i < EAP_MAX_METHODS &&
+		     (sm->user->methods[i].vendor != EAP_VENDOR_IETF ||
+		      sm->user->methods[i].method != EAP_TYPE_NONE);
+	     i++) {
+		if (sm->user->methods[i].vendor == EAP_VENDOR_IETF &&
+		    sm->user->methods[i].method == EAP_TYPE_PSK)
+			break;
+	}
+
+	if (i >= EAP_MAX_METHODS ||
+	    sm->user->methods[i].vendor != EAP_VENDOR_IETF ||
+	    sm->user->methods[i].method != EAP_TYPE_PSK) {
+		wpa_hexdump_ascii(MSG_DEBUG,
+				  "EAP-PSK: EAP-PSK not enabled for ID_P",
+				  data->id_p, data->id_p_len);
+		data->state = FAILURE;
+		return;
+	}
+
+	if (sm->user->password == NULL ||
+	    sm->user->password_len != EAP_PSK_PSK_LEN) {
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-PSK: invalid password in "
+				  "user database for ID_P",
+				  data->id_p, data->id_p_len);
+		data->state = FAILURE;
+		return;
+	}
+	if (eap_psk_key_setup(sm->user->password, data->ak, data->kdk)) {
+		data->state = FAILURE;
+		return;
+	}
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PSK: AK", data->ak, EAP_PSK_AK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PSK: KDK", data->kdk, EAP_PSK_KDK_LEN);
+
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PSK: RAND_P (client rand)",
+		    resp->rand_p, EAP_PSK_RAND_LEN);
+	os_memcpy(data->rand_p, resp->rand_p, EAP_PSK_RAND_LEN);
+
+	/* MAC_P = OMAC1-AES-128(AK, ID_P||ID_S||RAND_S||RAND_P) */
+	buflen = data->id_p_len + data->id_s_len + 2 * EAP_PSK_RAND_LEN;
+	buf = os_malloc(buflen);
+	if (buf == NULL) {
+		data->state = FAILURE;
+		return;
+	}
+	os_memcpy(buf, data->id_p, data->id_p_len);
+	pos = buf + data->id_p_len;
+	os_memcpy(pos, data->id_s, data->id_s_len);
+	pos += data->id_s_len;
+	os_memcpy(pos, data->rand_s, EAP_PSK_RAND_LEN);
+	pos += EAP_PSK_RAND_LEN;
+	os_memcpy(pos, data->rand_p, EAP_PSK_RAND_LEN);
+	if (omac1_aes_128(data->ak, buf, buflen, mac)) {
+		os_free(buf);
+		data->state = FAILURE;
+		return;
+	}
+	os_free(buf);
+	wpa_hexdump(MSG_DEBUG, "EAP-PSK: MAC_P", resp->mac_p, EAP_PSK_MAC_LEN);
+	if (os_memcmp(mac, resp->mac_p, EAP_PSK_MAC_LEN) != 0) {
+		wpa_printf(MSG_INFO, "EAP-PSK: Invalid MAC_P");
+		wpa_hexdump(MSG_MSGDUMP, "EAP-PSK: Expected MAC_P",
+			    mac, EAP_PSK_MAC_LEN);
+		data->state = FAILURE;
+		return;
+	}
+
+	data->state = PSK_3;
+}
+
+
+static void eap_psk_process_4(struct eap_sm *sm,
+			      struct eap_psk_data *data,
+			      struct wpabuf *respData)
+{
+	const struct eap_psk_hdr_4 *resp;
+	u8 *decrypted, nonce[16];
+	size_t left;
+	const u8 *pos, *tag;
+
+	if (data->state != PSK_3)
+		return;
+
+	wpa_printf(MSG_DEBUG, "EAP-PSK: Received PSK-4");
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PSK, respData, &left);
+	if (pos == NULL || left < sizeof(*resp)) {
+		wpa_printf(MSG_INFO, "EAP-PSK: Invalid frame");
+		return;
+	}
+	resp = (const struct eap_psk_hdr_4 *) pos;
+	pos = (const u8 *) (resp + 1);
+	left -= sizeof(*resp);
+
+	wpa_hexdump(MSG_MSGDUMP, "EAP-PSK: Encrypted PCHANNEL", pos, left);
+
+	if (left < 4 + 16 + 1) {
+		wpa_printf(MSG_INFO, "EAP-PSK: Too short PCHANNEL data in "
+			   "PSK-4 (len=%lu, expected 21)",
+			   (unsigned long) left);
+		return;
+	}
+
+	if (pos[0] == 0 && pos[1] == 0 && pos[2] == 0 && pos[3] == 0) {
+		wpa_printf(MSG_DEBUG, "EAP-PSK: Nonce did not increase");
+		return;
+	}
+
+	os_memset(nonce, 0, 12);
+	os_memcpy(nonce + 12, pos, 4);
+	pos += 4;
+	left -= 4;
+	tag = pos;
+	pos += 16;
+	left -= 16;
+
+	decrypted = os_malloc(left);
+	if (decrypted == NULL)
+		return;
+	os_memcpy(decrypted, pos, left);
+
+	if (aes_128_eax_decrypt(data->tek, nonce, sizeof(nonce),
+				wpabuf_head(respData), 22, decrypted, left,
+				tag)) {
+		wpa_printf(MSG_WARNING, "EAP-PSK: PCHANNEL decryption failed");
+		os_free(decrypted);
+		data->state = FAILURE;
+		return;
+	}
+	wpa_hexdump(MSG_DEBUG, "EAP-PSK: Decrypted PCHANNEL message",
+		    decrypted, left);
+
+	/* Verify R flag */
+	switch (decrypted[0] >> 6) {
+	case EAP_PSK_R_FLAG_CONT:
+		wpa_printf(MSG_DEBUG, "EAP-PSK: R flag - CONT - unsupported");
+		data->state = FAILURE;
+		break;
+	case EAP_PSK_R_FLAG_DONE_SUCCESS:
+		wpa_printf(MSG_DEBUG, "EAP-PSK: R flag - DONE_SUCCESS");
+		data->state = SUCCESS;
+		break;
+	case EAP_PSK_R_FLAG_DONE_FAILURE:
+		wpa_printf(MSG_DEBUG, "EAP-PSK: R flag - DONE_FAILURE");
+		data->state = FAILURE;
+		break;
+	}
+	os_free(decrypted);
+}
+
+
+static void eap_psk_process(struct eap_sm *sm, void *priv,
+			    struct wpabuf *respData)
+{
+	struct eap_psk_data *data = priv;
+	const u8 *pos;
+	size_t len;
+
+	if (sm->user == NULL || sm->user->password == NULL) {
+		wpa_printf(MSG_INFO, "EAP-PSK: Plaintext password not "
+			   "configured");
+		data->state = FAILURE;
+		return;
+	}
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PSK, respData, &len);
+	if (pos == NULL || len < 1)
+		return;
+
+	switch (EAP_PSK_FLAGS_GET_T(*pos)) {
+	case 1:
+		eap_psk_process_2(sm, data, respData);
+		break;
+	case 3:
+		eap_psk_process_4(sm, data, respData);
+		break;
+	}
+}
+
+
+static Boolean eap_psk_isDone(struct eap_sm *sm, void *priv)
+{
+	struct eap_psk_data *data = priv;
+	return data->state == SUCCESS || data->state == FAILURE;
+}
+
+
+static u8 * eap_psk_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_psk_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_MSK_LEN);
+	if (key == NULL)
+		return NULL;
+	os_memcpy(key, data->msk, EAP_MSK_LEN);
+	*len = EAP_MSK_LEN;
+
+	return key;
+}
+
+
+static u8 * eap_psk_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_psk_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_EMSK_LEN);
+	if (key == NULL)
+		return NULL;
+	os_memcpy(key, data->emsk, EAP_EMSK_LEN);
+	*len = EAP_EMSK_LEN;
+
+	return key;
+}
+
+
+static Boolean eap_psk_isSuccess(struct eap_sm *sm, void *priv)
+{
+	struct eap_psk_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+int eap_server_psk_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_IETF, EAP_TYPE_PSK, "PSK");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_psk_init;
+	eap->reset = eap_psk_reset;
+	eap->buildReq = eap_psk_buildReq;
+	eap->check = eap_psk_check;
+	eap->process = eap_psk_process;
+	eap->isDone = eap_psk_isDone;
+	eap->getKey = eap_psk_getKey;
+	eap->isSuccess = eap_psk_isSuccess;
+	eap->get_emsk = eap_psk_get_emsk;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_server/eap_server_pwd.c b/src/eap_server/eap_server_pwd.c
new file mode 100644
index 0000000..dd2557a
--- /dev/null
+++ b/src/eap_server/eap_server_pwd.c
@@ -0,0 +1,844 @@
+/*
+ * hostapd / EAP-pwd (RFC 5931) server
+ * Copyright (c) 2010, Dan Harkins <dharkins@lounge.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the BSD license.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eap_server/eap_i.h"
+#include "eap_common/eap_pwd_common.h"
+
+
+struct eap_pwd_data {
+	enum {
+		PWD_ID_Req, PWD_Commit_Req, PWD_Confirm_Req, SUCCESS, FAILURE
+	} state;
+	u8 *id_peer;
+	size_t id_peer_len;
+	u8 *id_server;
+	size_t id_server_len;
+	u8 *password;
+	size_t password_len;
+	u32 token;
+	u16 group_num;
+	EAP_PWD_group *grp;
+
+	BIGNUM *k;
+	BIGNUM *private_value;
+	BIGNUM *peer_scalar;
+	BIGNUM *my_scalar;
+	EC_POINT *my_element;
+	EC_POINT *peer_element;
+
+	u8 my_confirm[SHA256_DIGEST_LENGTH];
+
+	u8 msk[EAP_MSK_LEN];
+	u8 emsk[EAP_EMSK_LEN];
+
+	BN_CTX *bnctx;
+};
+
+
+static const char * eap_pwd_state_txt(int state)
+{
+	switch (state) {
+        case PWD_ID_Req:
+		return "PWD-ID-Req";
+        case PWD_Commit_Req:
+		return "PWD-Commit-Req";
+        case PWD_Confirm_Req:
+		return "PWD-Confirm-Req";
+        case SUCCESS:
+		return "SUCCESS";
+        case FAILURE:
+		return "FAILURE";
+        default:
+		return "PWD-Unk";
+	}
+}
+
+
+static void eap_pwd_state(struct eap_pwd_data *data, int state)
+{
+	wpa_printf(MSG_DEBUG, "EAP-pwd: %s -> %s",
+		   eap_pwd_state_txt(data->state), eap_pwd_state_txt(state));
+	data->state = state;
+}
+
+
+static void * eap_pwd_init(struct eap_sm *sm)
+{
+	struct eap_pwd_data *data;
+
+	if (sm->user == NULL || sm->user->password == NULL ||
+	    sm->user->password_len == 0) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): Password is not "
+			   "configured");
+		return NULL;
+	}
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+
+	data->group_num = sm->pwd_group;
+	wpa_printf(MSG_DEBUG, "EAP-pwd: Selected group number %d",
+		   data->group_num);
+	data->state = PWD_ID_Req;
+
+	data->id_server = (u8 *) os_strdup("server");
+	if (data->id_server)
+		data->id_server_len = os_strlen((char *) data->id_server);
+
+	data->password = os_malloc(sm->user->password_len);
+	if (data->password == NULL) {
+		wpa_printf(MSG_INFO, "EAP-PWD: Memory allocation password "
+			   "fail");
+		os_free(data->id_server);
+		os_free(data);
+		return NULL;
+	}
+	data->password_len = sm->user->password_len;
+	os_memcpy(data->password, sm->user->password, data->password_len);
+
+	data->bnctx = BN_CTX_new();
+	if (data->bnctx == NULL) {
+		wpa_printf(MSG_INFO, "EAP-PWD: bn context allocation fail");
+		os_free(data->password);
+		os_free(data->id_server);
+		os_free(data);
+		return NULL;
+	}
+
+	return data;
+}
+
+
+static void eap_pwd_reset(struct eap_sm *sm, void *priv)
+{
+	struct eap_pwd_data *data = priv;
+
+	BN_free(data->private_value);
+	BN_free(data->peer_scalar);
+	BN_free(data->my_scalar);
+	BN_free(data->k);
+	BN_CTX_free(data->bnctx);
+	EC_POINT_free(data->my_element);
+	EC_POINT_free(data->peer_element);
+	os_free(data->id_peer);
+	os_free(data->id_server);
+	os_free(data->password);
+	if (data->grp) {
+		EC_GROUP_free(data->grp->group);
+		EC_POINT_free(data->grp->pwe);
+		BN_free(data->grp->order);
+		BN_free(data->grp->prime);
+		os_free(data->grp);
+	}
+	os_free(data);
+}
+
+
+static struct wpabuf *
+eap_pwd_build_id_req(struct eap_sm *sm, struct eap_pwd_data *data, u8 id)
+{
+	struct wpabuf *req;
+
+	wpa_printf(MSG_DEBUG, "EAP-pwd: ID/Request");
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_PWD,
+			    sizeof(struct eap_pwd_hdr) +
+			    sizeof(struct eap_pwd_id) + data->id_server_len,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL) {
+		eap_pwd_state(data, FAILURE);
+		return NULL;
+	}
+
+	/* an lfsr is good enough to generate unpredictable tokens */
+	data->token = os_random();
+	wpabuf_put_u8(req, EAP_PWD_OPCODE_ID_EXCH);
+	wpabuf_put_be16(req, data->group_num);
+	wpabuf_put_u8(req, EAP_PWD_DEFAULT_RAND_FUNC);
+	wpabuf_put_u8(req, EAP_PWD_DEFAULT_PRF);
+	wpabuf_put_data(req, &data->token, sizeof(data->token));
+	wpabuf_put_u8(req, EAP_PWD_PREP_NONE);
+	wpabuf_put_data(req, data->id_server, data->id_server_len);
+
+	return req;
+}
+
+
+static struct wpabuf *
+eap_pwd_build_commit_req(struct eap_sm *sm, struct eap_pwd_data *data, u8 id)
+{
+	struct wpabuf *req = NULL;
+	BIGNUM *mask = NULL, *x = NULL, *y = NULL;
+	u8 *scalar = NULL, *element = NULL;
+	u16 offset;
+
+	wpa_printf(MSG_DEBUG, "EAP-pwd: Commit/Request");
+
+	if (((data->private_value = BN_new()) == NULL) ||
+	    ((data->my_element = EC_POINT_new(data->grp->group)) == NULL) ||
+	    ((data->my_scalar = BN_new()) == NULL) ||
+	    ((mask = BN_new()) == NULL)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): scalar allocation "
+			   "fail");
+		goto fin;
+	}
+
+	BN_rand_range(data->private_value, data->grp->order);
+	BN_rand_range(mask, data->grp->order);
+	BN_add(data->my_scalar, data->private_value, mask);
+	BN_mod(data->my_scalar, data->my_scalar, data->grp->order,
+	       data->bnctx);
+
+	if (!EC_POINT_mul(data->grp->group, data->my_element, NULL,
+			  data->grp->pwe, mask, data->bnctx)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): element allocation "
+			   "fail");
+		eap_pwd_state(data, FAILURE);
+		goto fin;
+	}
+
+	if (!EC_POINT_invert(data->grp->group, data->my_element, data->bnctx))
+	{
+		wpa_printf(MSG_INFO, "EAP-PWD (server): element inversion "
+			   "fail");
+		goto fin;
+	}
+	BN_free(mask);
+
+	if (((x = BN_new()) == NULL) ||
+	    ((y = BN_new()) == NULL)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): point allocation "
+			   "fail");
+		goto fin;
+	}
+	if (!EC_POINT_get_affine_coordinates_GFp(data->grp->group,
+						 data->my_element, x, y,
+						 data->bnctx)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): point assignment "
+			   "fail");
+		goto fin;
+	}
+
+	if (((scalar = os_malloc(BN_num_bytes(data->grp->order))) == NULL) ||
+	    ((element = os_malloc(BN_num_bytes(data->grp->prime) * 2)) ==
+	     NULL)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): data allocation fail");
+		goto fin;
+	}
+
+	/*
+	 * bignums occupy as little memory as possible so one that is
+	 * sufficiently smaller than the prime or order might need pre-pending
+	 * with zeros.
+	 */
+	os_memset(scalar, 0, BN_num_bytes(data->grp->order));
+	os_memset(element, 0, BN_num_bytes(data->grp->prime) * 2);
+	offset = BN_num_bytes(data->grp->order) -
+		BN_num_bytes(data->my_scalar);
+	BN_bn2bin(data->my_scalar, scalar + offset);
+
+	offset = BN_num_bytes(data->grp->prime) - BN_num_bytes(x);
+	BN_bn2bin(x, element + offset);
+	offset = BN_num_bytes(data->grp->prime) - BN_num_bytes(y);
+	BN_bn2bin(y, element + BN_num_bytes(data->grp->prime) + offset);
+
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_PWD,
+			    sizeof(struct eap_pwd_hdr) +
+			    (2 * BN_num_bytes(data->grp->prime)) +
+			    BN_num_bytes(data->grp->order),
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL)
+		goto fin;
+	wpabuf_put_u8(req, EAP_PWD_OPCODE_COMMIT_EXCH);
+
+	/* We send the element as (x,y) followed by the scalar */
+	wpabuf_put_data(req, element, (2 * BN_num_bytes(data->grp->prime)));
+	wpabuf_put_data(req, scalar, BN_num_bytes(data->grp->order));
+
+fin:
+	os_free(scalar);
+	os_free(element);
+	BN_free(x);
+	BN_free(y);
+	if (req == NULL)
+		eap_pwd_state(data, FAILURE);
+
+	return req;
+}
+
+
+static struct wpabuf *
+eap_pwd_build_confirm_req(struct eap_sm *sm, struct eap_pwd_data *data, u8 id)
+{
+	struct wpabuf *req = NULL;
+	BIGNUM *x = NULL, *y = NULL;
+	HMAC_CTX ctx;
+	u8 conf[SHA256_DIGEST_LENGTH], *cruft = NULL, *ptr;
+	u16 grp;
+
+	wpa_printf(MSG_DEBUG, "EAP-pwd: Confirm/Request");
+
+	/* Each component of the cruft will be at most as big as the prime */
+	if (((cruft = os_malloc(BN_num_bytes(data->grp->prime))) == NULL) ||
+	    ((x = BN_new()) == NULL) || ((y = BN_new()) == NULL)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): debug allocation "
+			   "fail");
+		goto fin;
+	}
+
+	/*
+	 * commit is H(k | server_element | server_scalar | peer_element |
+	 *	       peer_scalar | ciphersuite)
+	 */
+	H_Init(&ctx);
+
+	/*
+	 * Zero the memory each time because this is mod prime math and some
+	 * value may start with a few zeros and the previous one did not.
+	 *
+	 * First is k
+	 */
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(data->k, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+
+	/* server element: x, y */
+	if (!EC_POINT_get_affine_coordinates_GFp(data->grp->group,
+						 data->my_element, x, y,
+						 data->bnctx)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): confirm point "
+			   "assignment fail");
+		goto fin;
+	}
+
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(x, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(y, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+
+	/* server scalar */
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(data->my_scalar, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->order));
+
+	/* peer element: x, y */
+	if (!EC_POINT_get_affine_coordinates_GFp(data->grp->group,
+						 data->peer_element, x, y,
+						 data->bnctx)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): confirm point "
+			   "assignment fail");
+		goto fin;
+	}
+
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(x, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(y, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+
+	/* peer scalar */
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(data->peer_scalar, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->order));
+
+	/* ciphersuite */
+	grp = htons(data->group_num);
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	ptr = cruft;
+	os_memcpy(ptr, &grp, sizeof(u16));
+	ptr += sizeof(u16);
+	*ptr = EAP_PWD_DEFAULT_RAND_FUNC;
+	ptr += sizeof(u8);
+	*ptr = EAP_PWD_DEFAULT_PRF;
+	ptr += sizeof(u8);
+	H_Update(&ctx, cruft, ptr-cruft);
+
+	/* all done with the random function */
+	H_Final(&ctx, conf);
+	os_memcpy(data->my_confirm, conf, SHA256_DIGEST_LENGTH);
+
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_PWD,
+			    sizeof(struct eap_pwd_hdr) + SHA256_DIGEST_LENGTH,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL)
+		goto fin;
+
+	wpabuf_put_u8(req, EAP_PWD_OPCODE_CONFIRM_EXCH);
+	wpabuf_put_data(req, conf, SHA256_DIGEST_LENGTH);
+
+fin:
+	os_free(cruft);
+	BN_free(x);
+	BN_free(y);
+	if (req == NULL)
+		eap_pwd_state(data, FAILURE);
+
+	return req;
+}
+
+
+static struct wpabuf *
+eap_pwd_build_req(struct eap_sm *sm, void *priv, u8 id)
+{
+	struct eap_pwd_data *data = priv;
+
+	switch (data->state) {
+        case PWD_ID_Req:
+		return eap_pwd_build_id_req(sm, data, id);
+        case PWD_Commit_Req:
+		return eap_pwd_build_commit_req(sm, data, id);
+        case PWD_Confirm_Req:
+		return eap_pwd_build_confirm_req(sm, data, id);
+        default:
+		wpa_printf(MSG_INFO, "EAP-pwd: Unknown state %d in build_req",
+			   data->state);
+		break;
+	}
+
+	return NULL;
+}
+
+
+static Boolean eap_pwd_check(struct eap_sm *sm, void *priv,
+			     struct wpabuf *respData)
+{
+	struct eap_pwd_data *data = priv;
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PWD, respData, &len);
+	if (pos == NULL || len < 1) {
+		wpa_printf(MSG_INFO, "EAP-pwd: Invalid frame");
+		return TRUE;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-pwd: Received frame: opcode=%d", *pos);
+
+	if (data->state == PWD_ID_Req && *pos == EAP_PWD_OPCODE_ID_EXCH)
+		return FALSE;
+
+	if (data->state == PWD_Commit_Req &&
+	    *pos == EAP_PWD_OPCODE_COMMIT_EXCH)
+		return FALSE;
+
+	if (data->state == PWD_Confirm_Req &&
+	    *pos == EAP_PWD_OPCODE_CONFIRM_EXCH)
+		return FALSE;
+
+	wpa_printf(MSG_INFO, "EAP-pwd: Unexpected opcode=%d in state=%d",
+		   *pos, data->state);
+
+	return TRUE;
+}
+
+
+static void eap_pwd_process_id_resp(struct eap_sm *sm,
+				    struct eap_pwd_data *data,
+				    const u8 *payload, size_t payload_len)
+{
+	struct eap_pwd_id *id;
+
+	if (payload_len < sizeof(struct eap_pwd_id)) {
+		wpa_printf(MSG_INFO, "EAP-pwd: Invalid ID response");
+		return;
+	}
+
+	id = (struct eap_pwd_id *) payload;
+	if ((data->group_num != be_to_host16(id->group_num)) ||
+	    (id->random_function != EAP_PWD_DEFAULT_RAND_FUNC) ||
+	    (os_memcmp(id->token, (u8 *)&data->token, sizeof(data->token))) ||
+	    (id->prf != EAP_PWD_DEFAULT_PRF)) {
+		wpa_printf(MSG_INFO, "EAP-pwd: peer changed parameters");
+		eap_pwd_state(data, FAILURE);
+		return;
+	}
+	data->id_peer = os_malloc(payload_len - sizeof(struct eap_pwd_id));
+	if (data->id_peer == NULL) {
+		wpa_printf(MSG_INFO, "EAP-PWD: memory allocation id fail");
+		return;
+	}
+	data->id_peer_len = payload_len - sizeof(struct eap_pwd_id);
+	os_memcpy(data->id_peer, id->identity, data->id_peer_len);
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-PWD (server): peer sent id of",
+			  data->id_peer, data->id_peer_len);
+
+	if ((data->grp = os_malloc(sizeof(EAP_PWD_group))) == NULL) {
+		wpa_printf(MSG_INFO, "EAP-PWD: failed to allocate memory for "
+			   "group");
+		return;
+	}
+	if (compute_password_element(data->grp, data->group_num,
+				     data->password, data->password_len,
+				     data->id_server, data->id_server_len,
+				     data->id_peer, data->id_peer_len,
+				     (u8 *) &data->token)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): unable to compute "
+			   "PWE");
+		return;
+	}
+	wpa_printf(MSG_DEBUG, "EAP-PWD (server): computed %d bit PWE...",
+		   BN_num_bits(data->grp->prime));
+
+	eap_pwd_state(data, PWD_Commit_Req);
+}
+
+
+static void
+eap_pwd_process_commit_resp(struct eap_sm *sm, struct eap_pwd_data *data,
+			    const u8 *payload, size_t payload_len)
+{
+	u8 *ptr;
+	BIGNUM *x = NULL, *y = NULL, *cofactor = NULL;
+	EC_POINT *K = NULL, *point = NULL;
+	int res = 0;
+
+	wpa_printf(MSG_DEBUG, "EAP-pwd: Received commit response");
+
+	if (((data->peer_scalar = BN_new()) == NULL) ||
+	    ((data->k = BN_new()) == NULL) ||
+	    ((cofactor = BN_new()) == NULL) ||
+	    ((x = BN_new()) == NULL) ||
+	    ((y = BN_new()) == NULL) ||
+	    ((point = EC_POINT_new(data->grp->group)) == NULL) ||
+	    ((K = EC_POINT_new(data->grp->group)) == NULL) ||
+	    ((data->peer_element = EC_POINT_new(data->grp->group)) == NULL)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): peer data allocation "
+			   "fail");
+		goto fin;
+	}
+
+	if (!EC_GROUP_get_cofactor(data->grp->group, cofactor, NULL)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): unable to get "
+			   "cofactor for curve");
+		goto fin;
+	}
+
+	/* element, x then y, followed by scalar */
+	ptr = (u8 *) payload;
+	BN_bin2bn(ptr, BN_num_bytes(data->grp->prime), x);
+	ptr += BN_num_bytes(data->grp->prime);
+	BN_bin2bn(ptr, BN_num_bytes(data->grp->prime), y);
+	ptr += BN_num_bytes(data->grp->prime);
+	BN_bin2bn(ptr, BN_num_bytes(data->grp->order), data->peer_scalar);
+	if (!EC_POINT_set_affine_coordinates_GFp(data->grp->group,
+						 data->peer_element, x, y,
+						 data->bnctx)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): setting peer element "
+			   "fail");
+		goto fin;
+	}
+
+	/* check to ensure peer's element is not in a small sub-group */
+	if (BN_cmp(cofactor, BN_value_one())) {
+		if (!EC_POINT_mul(data->grp->group, point, NULL,
+				  data->peer_element, cofactor, NULL)) {
+			wpa_printf(MSG_INFO, "EAP-PWD (server): cannot "
+				   "multiply peer element by order");
+			goto fin;
+		}
+		if (EC_POINT_is_at_infinity(data->grp->group, point)) {
+			wpa_printf(MSG_INFO, "EAP-PWD (server): peer element "
+				   "is at infinity!\n");
+			goto fin;
+		}
+	}
+
+	/* compute the shared key, k */
+	if ((!EC_POINT_mul(data->grp->group, K, NULL, data->grp->pwe,
+			   data->peer_scalar, data->bnctx)) ||
+	    (!EC_POINT_add(data->grp->group, K, K, data->peer_element,
+			   data->bnctx)) ||
+	    (!EC_POINT_mul(data->grp->group, K, NULL, K, data->private_value,
+			   data->bnctx))) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): computing shared key "
+			   "fail");
+		goto fin;
+	}
+
+	/* ensure that the shared key isn't in a small sub-group */
+	if (BN_cmp(cofactor, BN_value_one())) {
+		if (!EC_POINT_mul(data->grp->group, K, NULL, K, cofactor,
+				  NULL)) {
+			wpa_printf(MSG_INFO, "EAP-PWD (server): cannot "
+				   "multiply shared key point by order!\n");
+			goto fin;
+		}
+	}
+
+	/*
+	 * This check is strictly speaking just for the case above where
+	 * co-factor > 1 but it was suggested that even though this is probably
+	 * never going to happen it is a simple and safe check "just to be
+	 * sure" so let's be safe.
+	 */
+	if (EC_POINT_is_at_infinity(data->grp->group, K)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): shared key point is "
+			   "at infinity");
+		goto fin;
+	}
+	if (!EC_POINT_get_affine_coordinates_GFp(data->grp->group, K, data->k,
+						 NULL, data->bnctx)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): unable to extract "
+			   "shared secret from secret point");
+		goto fin;
+	}
+	res = 1;
+
+fin:
+	EC_POINT_free(K);
+	EC_POINT_free(point);
+	BN_free(cofactor);
+	BN_free(x);
+	BN_free(y);
+
+	if (res)
+		eap_pwd_state(data, PWD_Confirm_Req);
+	else
+		eap_pwd_state(data, FAILURE);
+}
+
+
+static void
+eap_pwd_process_confirm_resp(struct eap_sm *sm, struct eap_pwd_data *data,
+			     const u8 *payload, size_t payload_len)
+{
+	BIGNUM *x = NULL, *y = NULL;
+	HMAC_CTX ctx;
+	u32 cs;
+	u16 grp;
+	u8 conf[SHA256_DIGEST_LENGTH], *cruft = NULL, *ptr;
+
+	/* build up the ciphersuite: group | random_function | prf */
+	grp = htons(data->group_num);
+	ptr = (u8 *) &cs;
+	os_memcpy(ptr, &grp, sizeof(u16));
+	ptr += sizeof(u16);
+	*ptr = EAP_PWD_DEFAULT_RAND_FUNC;
+	ptr += sizeof(u8);
+	*ptr = EAP_PWD_DEFAULT_PRF;
+
+	/* each component of the cruft will be at most as big as the prime */
+	if (((cruft = os_malloc(BN_num_bytes(data->grp->prime))) == NULL) ||
+	    ((x = BN_new()) == NULL) || ((y = BN_new()) == NULL)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (peer): allocation fail");
+		goto fin;
+	}
+
+	/*
+	 * commit is H(k | peer_element | peer_scalar | server_element |
+	 *	       server_scalar | ciphersuite)
+	 */
+	H_Init(&ctx);
+
+	/* k */
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(data->k, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+
+	/* peer element: x, y */
+	if (!EC_POINT_get_affine_coordinates_GFp(data->grp->group,
+						 data->peer_element, x, y,
+						 data->bnctx)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): confirm point "
+			   "assignment fail");
+		goto fin;
+	}
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(x, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(y, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+
+	/* peer scalar */
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(data->peer_scalar, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->order));
+
+	/* server element: x, y */
+	if (!EC_POINT_get_affine_coordinates_GFp(data->grp->group,
+						 data->my_element, x, y,
+						 data->bnctx)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): confirm point "
+			   "assignment fail");
+		goto fin;
+	}
+
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(x, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(y, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->prime));
+
+	/* server scalar */
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	BN_bn2bin(data->my_scalar, cruft);
+	H_Update(&ctx, cruft, BN_num_bytes(data->grp->order));
+
+	/* ciphersuite */
+	os_memset(cruft, 0, BN_num_bytes(data->grp->prime));
+	H_Update(&ctx, (u8 *)&cs, sizeof(u32));
+
+	/* all done */
+	H_Final(&ctx, conf);
+
+	ptr = (u8 *) payload;
+	if (os_memcmp(conf, ptr, SHA256_DIGEST_LENGTH)) {
+		wpa_printf(MSG_INFO, "EAP-PWD (server): confirm did not "
+			   "verify");
+		goto fin;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-pwd (server): confirm verified");
+	if (compute_keys(data->grp, data->bnctx, data->k,
+			 data->peer_scalar, data->my_scalar, conf,
+			 data->my_confirm, &cs, data->msk, data->emsk) < 0)
+		eap_pwd_state(data, FAILURE);
+	else
+		eap_pwd_state(data, SUCCESS);
+
+fin:
+	os_free(cruft);
+	BN_free(x);
+	BN_free(y);
+}
+
+
+static void eap_pwd_process(struct eap_sm *sm, void *priv,
+			    struct wpabuf *respData)
+{
+	struct eap_pwd_data *data = priv;
+	const u8 *pos;
+	size_t len;
+	u8 exch;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PWD, respData, &len);
+	if ((pos == NULL) || (len < 1)) {
+		wpa_printf(MSG_INFO, "Bad EAP header! pos %s and len = %d",
+			   (pos == NULL) ? "is NULL" : "is not NULL",
+			   (int) len);
+		return;
+	}
+
+	exch = *pos & 0x3f;
+	switch (exch) {
+	case EAP_PWD_OPCODE_ID_EXCH:
+		eap_pwd_process_id_resp(sm, data, pos + 1, len - 1);
+		break;
+	case EAP_PWD_OPCODE_COMMIT_EXCH:
+		eap_pwd_process_commit_resp(sm, data, pos + 1, len - 1);
+		break;
+        case EAP_PWD_OPCODE_CONFIRM_EXCH:
+		eap_pwd_process_confirm_resp(sm, data, pos + 1, len - 1);
+		break;
+	}
+}
+
+
+static u8 * eap_pwd_getkey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_pwd_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_MSK_LEN);
+	if (key == NULL)
+		return NULL;
+
+	os_memcpy(key, data->msk, EAP_MSK_LEN);
+	*len = EAP_MSK_LEN;
+
+	return key;
+}
+
+
+static u8 * eap_pwd_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_pwd_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_EMSK_LEN);
+	if (key == NULL)
+		return NULL;
+
+	os_memcpy(key, data->emsk, EAP_EMSK_LEN);
+	*len = EAP_EMSK_LEN;
+
+	return key;
+}
+
+
+static Boolean eap_pwd_is_success(struct eap_sm *sm, void *priv)
+{
+	struct eap_pwd_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+static Boolean eap_pwd_is_done(struct eap_sm *sm, void *priv)
+{
+	struct eap_pwd_data *data = priv;
+	return (data->state == SUCCESS) || (data->state == FAILURE);
+}
+
+
+int eap_server_pwd_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+	struct timeval tp;
+	struct timezone tz;
+	u32 sr;
+
+	EVP_add_digest(EVP_sha256());
+
+	sr = 0xdeaddada;
+	(void) gettimeofday(&tp, &tz);
+	sr ^= (tp.tv_sec ^ tp.tv_usec);
+	srandom(sr);
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_IETF, EAP_TYPE_PWD,
+				      "PWD");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_pwd_init;
+	eap->reset = eap_pwd_reset;
+	eap->buildReq = eap_pwd_build_req;
+	eap->check = eap_pwd_check;
+	eap->process = eap_pwd_process;
+	eap->isDone = eap_pwd_is_done;
+	eap->getKey = eap_pwd_getkey;
+	eap->get_emsk = eap_pwd_get_emsk;
+	eap->isSuccess = eap_pwd_is_success;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
+
diff --git a/src/eap_server/eap_server_sake.c b/src/eap_server/eap_server_sake.c
new file mode 100644
index 0000000..a9b515f
--- /dev/null
+++ b/src/eap_server/eap_server_sake.c
@@ -0,0 +1,543 @@
+/*
+ * hostapd / EAP-SAKE (RFC 4763) server
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/random.h"
+#include "eap_server/eap_i.h"
+#include "eap_common/eap_sake_common.h"
+
+
+struct eap_sake_data {
+	enum { IDENTITY, CHALLENGE, CONFIRM, SUCCESS, FAILURE } state;
+	u8 rand_s[EAP_SAKE_RAND_LEN];
+	u8 rand_p[EAP_SAKE_RAND_LEN];
+	struct {
+		u8 auth[EAP_SAKE_TEK_AUTH_LEN];
+		u8 cipher[EAP_SAKE_TEK_CIPHER_LEN];
+	} tek;
+	u8 msk[EAP_MSK_LEN];
+	u8 emsk[EAP_EMSK_LEN];
+	u8 session_id;
+	u8 *peerid;
+	size_t peerid_len;
+	u8 *serverid;
+	size_t serverid_len;
+};
+
+
+static const char * eap_sake_state_txt(int state)
+{
+	switch (state) {
+	case IDENTITY:
+		return "IDENTITY";
+	case CHALLENGE:
+		return "CHALLENGE";
+	case CONFIRM:
+		return "CONFIRM";
+	case SUCCESS:
+		return "SUCCESS";
+	case FAILURE:
+		return "FAILURE";
+	default:
+		return "?";
+	}
+}
+
+
+static void eap_sake_state(struct eap_sake_data *data, int state)
+{
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: %s -> %s",
+		   eap_sake_state_txt(data->state),
+		   eap_sake_state_txt(state));
+	data->state = state;
+}
+
+
+static void * eap_sake_init(struct eap_sm *sm)
+{
+	struct eap_sake_data *data;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = CHALLENGE;
+
+	if (os_get_random(&data->session_id, 1)) {
+		wpa_printf(MSG_ERROR, "EAP-SAKE: Failed to get random data");
+		os_free(data);
+		return NULL;
+	}
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: Initialized Session ID %d",
+		   data->session_id);
+
+	/* TODO: add support for configuring SERVERID */
+	data->serverid = (u8 *) os_strdup("hostapd");
+	if (data->serverid)
+		data->serverid_len = os_strlen((char *) data->serverid);
+
+	return data;
+}
+
+
+static void eap_sake_reset(struct eap_sm *sm, void *priv)
+{
+	struct eap_sake_data *data = priv;
+	os_free(data->serverid);
+	os_free(data->peerid);
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_sake_build_msg(struct eap_sake_data *data,
+					  u8 id, size_t length, u8 subtype)
+{
+	struct eap_sake_hdr *sake;
+	struct wpabuf *msg;
+	size_t plen;
+
+	plen = sizeof(struct eap_sake_hdr) + length;
+
+	msg = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_SAKE, plen,
+			    EAP_CODE_REQUEST, id);
+	if (msg == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-SAKE: Failed to allocate memory "
+			   "request");
+		return NULL;
+	}
+
+	sake = wpabuf_put(msg, sizeof(*sake));
+	sake->version = EAP_SAKE_VERSION;
+	sake->session_id = data->session_id;
+	sake->subtype = subtype;
+
+	return msg;
+}
+
+
+static struct wpabuf * eap_sake_build_identity(struct eap_sm *sm,
+					       struct eap_sake_data *data,
+					       u8 id)
+{
+	struct wpabuf *msg;
+	size_t plen;
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: Request/Identity");
+
+	plen = 4;
+	if (data->serverid)
+		plen += 2 + data->serverid_len;
+	msg = eap_sake_build_msg(data, id, plen, EAP_SAKE_SUBTYPE_IDENTITY);
+	if (msg == NULL) {
+		data->state = FAILURE;
+		return NULL;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: * AT_PERM_ID_REQ");
+	eap_sake_add_attr(msg, EAP_SAKE_AT_PERM_ID_REQ, NULL, 2);
+
+	if (data->serverid) {
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: * AT_SERVERID");
+		eap_sake_add_attr(msg, EAP_SAKE_AT_SERVERID,
+				  data->serverid, data->serverid_len);
+	}
+
+	return msg;
+}
+
+
+static struct wpabuf * eap_sake_build_challenge(struct eap_sm *sm,
+						struct eap_sake_data *data,
+						u8 id)
+{
+	struct wpabuf *msg;
+	size_t plen;
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: Request/Challenge");
+
+	if (random_get_bytes(data->rand_s, EAP_SAKE_RAND_LEN)) {
+		wpa_printf(MSG_ERROR, "EAP-SAKE: Failed to get random data");
+		data->state = FAILURE;
+		return NULL;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "EAP-SAKE: RAND_S (server rand)",
+		    data->rand_s, EAP_SAKE_RAND_LEN);
+
+	plen = 2 + EAP_SAKE_RAND_LEN;
+	if (data->serverid)
+		plen += 2 + data->serverid_len;
+	msg = eap_sake_build_msg(data, id, plen, EAP_SAKE_SUBTYPE_CHALLENGE);
+	if (msg == NULL) {
+		data->state = FAILURE;
+		return NULL;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: * AT_RAND_S");
+	eap_sake_add_attr(msg, EAP_SAKE_AT_RAND_S,
+			  data->rand_s, EAP_SAKE_RAND_LEN);
+
+	if (data->serverid) {
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: * AT_SERVERID");
+		eap_sake_add_attr(msg, EAP_SAKE_AT_SERVERID,
+				  data->serverid, data->serverid_len);
+	}
+
+	return msg;
+}
+
+
+static struct wpabuf * eap_sake_build_confirm(struct eap_sm *sm,
+					      struct eap_sake_data *data,
+					      u8 id)
+{
+	struct wpabuf *msg;
+	u8 *mic;
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: Request/Confirm");
+
+	msg = eap_sake_build_msg(data, id, 2 + EAP_SAKE_MIC_LEN,
+				 EAP_SAKE_SUBTYPE_CONFIRM);
+	if (msg == NULL) {
+		data->state = FAILURE;
+		return NULL;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: * AT_MIC_S");
+	wpabuf_put_u8(msg, EAP_SAKE_AT_MIC_S);
+	wpabuf_put_u8(msg, 2 + EAP_SAKE_MIC_LEN);
+	mic = wpabuf_put(msg, EAP_SAKE_MIC_LEN);
+	if (eap_sake_compute_mic(data->tek.auth, data->rand_s, data->rand_p,
+				 data->serverid, data->serverid_len,
+				 data->peerid, data->peerid_len, 0,
+				 wpabuf_head(msg), wpabuf_len(msg), mic, mic))
+	{
+		wpa_printf(MSG_INFO, "EAP-SAKE: Failed to compute MIC");
+		data->state = FAILURE;
+		os_free(msg);
+		return NULL;
+	}
+
+	return msg;
+}
+
+
+static struct wpabuf * eap_sake_buildReq(struct eap_sm *sm, void *priv, u8 id)
+{
+	struct eap_sake_data *data = priv;
+
+	switch (data->state) {
+	case IDENTITY:
+		return eap_sake_build_identity(sm, data, id);
+	case CHALLENGE:
+		return eap_sake_build_challenge(sm, data, id);
+	case CONFIRM:
+		return eap_sake_build_confirm(sm, data, id);
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-SAKE: Unknown state %d in buildReq",
+			   data->state);
+		break;
+	}
+	return NULL;
+}
+
+
+static Boolean eap_sake_check(struct eap_sm *sm, void *priv,
+			      struct wpabuf *respData)
+{
+	struct eap_sake_data *data = priv;
+	struct eap_sake_hdr *resp;
+	size_t len;
+	u8 version, session_id, subtype;
+	const u8 *pos;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_SAKE, respData, &len);
+	if (pos == NULL || len < sizeof(struct eap_sake_hdr)) {
+		wpa_printf(MSG_INFO, "EAP-SAKE: Invalid frame");
+		return TRUE;
+	}
+
+	resp = (struct eap_sake_hdr *) pos;
+	version = resp->version;
+	session_id = resp->session_id;
+	subtype = resp->subtype;
+
+	if (version != EAP_SAKE_VERSION) {
+		wpa_printf(MSG_INFO, "EAP-SAKE: Unknown version %d", version);
+		return TRUE;
+	}
+
+	if (session_id != data->session_id) {
+		wpa_printf(MSG_INFO, "EAP-SAKE: Session ID mismatch (%d,%d)",
+			   session_id, data->session_id);
+		return TRUE;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: Received frame: subtype=%d", subtype);
+
+	if (data->state == IDENTITY && subtype == EAP_SAKE_SUBTYPE_IDENTITY)
+		return FALSE;
+
+	if (data->state == CHALLENGE && subtype == EAP_SAKE_SUBTYPE_CHALLENGE)
+		return FALSE;
+
+	if (data->state == CONFIRM && subtype == EAP_SAKE_SUBTYPE_CONFIRM)
+		return FALSE;
+
+	if (subtype == EAP_SAKE_SUBTYPE_AUTH_REJECT)
+		return FALSE;
+
+	wpa_printf(MSG_INFO, "EAP-SAKE: Unexpected subtype=%d in state=%d",
+		   subtype, data->state);
+
+	return TRUE;
+}
+
+
+static void eap_sake_process_identity(struct eap_sm *sm,
+				      struct eap_sake_data *data,
+				      const struct wpabuf *respData,
+				      const u8 *payload, size_t payloadlen)
+{
+	if (data->state != IDENTITY)
+		return;
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: Received Response/Identity");
+	/* TODO: update identity and select new user data */
+	eap_sake_state(data, CHALLENGE);
+}
+
+
+static void eap_sake_process_challenge(struct eap_sm *sm,
+				       struct eap_sake_data *data,
+				       const struct wpabuf *respData,
+				       const u8 *payload, size_t payloadlen)
+{
+	struct eap_sake_parse_attr attr;
+	u8 mic_p[EAP_SAKE_MIC_LEN];
+
+	if (data->state != CHALLENGE)
+		return;
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: Received Response/Challenge");
+
+	if (eap_sake_parse_attributes(payload, payloadlen, &attr))
+		return;
+
+	if (!attr.rand_p || !attr.mic_p) {
+		wpa_printf(MSG_INFO, "EAP-SAKE: Response/Challenge did not "
+			   "include AT_RAND_P or AT_MIC_P");
+		return;
+	}
+
+	os_memcpy(data->rand_p, attr.rand_p, EAP_SAKE_RAND_LEN);
+
+	os_free(data->peerid);
+	data->peerid = NULL;
+	data->peerid_len = 0;
+	if (attr.peerid) {
+		data->peerid = os_malloc(attr.peerid_len);
+		if (data->peerid == NULL)
+			return;
+		os_memcpy(data->peerid, attr.peerid, attr.peerid_len);
+		data->peerid_len = attr.peerid_len;
+	}
+
+	if (sm->user == NULL || sm->user->password == NULL ||
+	    sm->user->password_len != 2 * EAP_SAKE_ROOT_SECRET_LEN) {
+		wpa_printf(MSG_INFO, "EAP-SAKE: Plaintext password with "
+			   "%d-byte key not configured",
+			   2 * EAP_SAKE_ROOT_SECRET_LEN);
+		data->state = FAILURE;
+		return;
+	}
+	eap_sake_derive_keys(sm->user->password,
+			     sm->user->password + EAP_SAKE_ROOT_SECRET_LEN,
+			     data->rand_s, data->rand_p,
+			     (u8 *) &data->tek, data->msk, data->emsk);
+
+	eap_sake_compute_mic(data->tek.auth, data->rand_s, data->rand_p,
+			     data->serverid, data->serverid_len,
+			     data->peerid, data->peerid_len, 1,
+			     wpabuf_head(respData), wpabuf_len(respData),
+			     attr.mic_p, mic_p);
+	if (os_memcmp(attr.mic_p, mic_p, EAP_SAKE_MIC_LEN) != 0) {
+		wpa_printf(MSG_INFO, "EAP-SAKE: Incorrect AT_MIC_P");
+		eap_sake_state(data, FAILURE);
+		return;
+	}
+
+	eap_sake_state(data, CONFIRM);
+}
+
+
+static void eap_sake_process_confirm(struct eap_sm *sm,
+				     struct eap_sake_data *data,
+				     const struct wpabuf *respData,
+				     const u8 *payload, size_t payloadlen)
+{
+	struct eap_sake_parse_attr attr;
+	u8 mic_p[EAP_SAKE_MIC_LEN];
+
+	if (data->state != CONFIRM)
+		return;
+
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: Received Response/Confirm");
+
+	if (eap_sake_parse_attributes(payload, payloadlen, &attr))
+		return;
+
+	if (!attr.mic_p) {
+		wpa_printf(MSG_INFO, "EAP-SAKE: Response/Confirm did not "
+			   "include AT_MIC_P");
+		return;
+	}
+
+	eap_sake_compute_mic(data->tek.auth, data->rand_s, data->rand_p,
+			     data->serverid, data->serverid_len,
+			     data->peerid, data->peerid_len, 1,
+			     wpabuf_head(respData), wpabuf_len(respData),
+			     attr.mic_p, mic_p);
+	if (os_memcmp(attr.mic_p, mic_p, EAP_SAKE_MIC_LEN) != 0) {
+		wpa_printf(MSG_INFO, "EAP-SAKE: Incorrect AT_MIC_P");
+		eap_sake_state(data, FAILURE);
+	} else
+		eap_sake_state(data, SUCCESS);
+}
+
+
+static void eap_sake_process_auth_reject(struct eap_sm *sm,
+					 struct eap_sake_data *data,
+					 const struct wpabuf *respData,
+					 const u8 *payload, size_t payloadlen)
+{
+	wpa_printf(MSG_DEBUG, "EAP-SAKE: Received Response/Auth-Reject");
+	eap_sake_state(data, FAILURE);
+}
+
+
+static void eap_sake_process(struct eap_sm *sm, void *priv,
+			     struct wpabuf *respData)
+{
+	struct eap_sake_data *data = priv;
+	struct eap_sake_hdr *resp;
+	u8 subtype;
+	size_t len;
+	const u8 *pos, *end;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_SAKE, respData, &len);
+	if (pos == NULL || len < sizeof(struct eap_sake_hdr))
+		return;
+
+	resp = (struct eap_sake_hdr *) pos;
+	end = pos + len;
+	subtype = resp->subtype;
+	pos = (u8 *) (resp + 1);
+
+	wpa_hexdump(MSG_DEBUG, "EAP-SAKE: Received attributes",
+		    pos, end - pos);
+
+	switch (subtype) {
+	case EAP_SAKE_SUBTYPE_IDENTITY:
+		eap_sake_process_identity(sm, data, respData, pos, end - pos);
+		break;
+	case EAP_SAKE_SUBTYPE_CHALLENGE:
+		eap_sake_process_challenge(sm, data, respData, pos, end - pos);
+		break;
+	case EAP_SAKE_SUBTYPE_CONFIRM:
+		eap_sake_process_confirm(sm, data, respData, pos, end - pos);
+		break;
+	case EAP_SAKE_SUBTYPE_AUTH_REJECT:
+		eap_sake_process_auth_reject(sm, data, respData, pos,
+					     end - pos);
+		break;
+	}
+}
+
+
+static Boolean eap_sake_isDone(struct eap_sm *sm, void *priv)
+{
+	struct eap_sake_data *data = priv;
+	return data->state == SUCCESS || data->state == FAILURE;
+}
+
+
+static u8 * eap_sake_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_sake_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_MSK_LEN);
+	if (key == NULL)
+		return NULL;
+	os_memcpy(key, data->msk, EAP_MSK_LEN);
+	*len = EAP_MSK_LEN;
+
+	return key;
+}
+
+
+static u8 * eap_sake_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_sake_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_EMSK_LEN);
+	if (key == NULL)
+		return NULL;
+	os_memcpy(key, data->emsk, EAP_EMSK_LEN);
+	*len = EAP_EMSK_LEN;
+
+	return key;
+}
+
+
+static Boolean eap_sake_isSuccess(struct eap_sm *sm, void *priv)
+{
+	struct eap_sake_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+int eap_server_sake_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_IETF, EAP_TYPE_SAKE, "SAKE");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_sake_init;
+	eap->reset = eap_sake_reset;
+	eap->buildReq = eap_sake_buildReq;
+	eap->check = eap_sake_check;
+	eap->process = eap_sake_process;
+	eap->isDone = eap_sake_isDone;
+	eap->getKey = eap_sake_getKey;
+	eap->isSuccess = eap_sake_isSuccess;
+	eap->get_emsk = eap_sake_get_emsk;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_server/eap_server_sim.c b/src/eap_server/eap_server_sim.c
new file mode 100644
index 0000000..29df2ff
--- /dev/null
+++ b/src/eap_server/eap_server_sim.c
@@ -0,0 +1,798 @@
+/*
+ * hostapd / EAP-SIM (RFC 4186)
+ * Copyright (c) 2005-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/random.h"
+#include "eap_server/eap_i.h"
+#include "eap_common/eap_sim_common.h"
+#include "eap_server/eap_sim_db.h"
+
+
+struct eap_sim_data {
+	u8 mk[EAP_SIM_MK_LEN];
+	u8 nonce_mt[EAP_SIM_NONCE_MT_LEN];
+	u8 nonce_s[EAP_SIM_NONCE_S_LEN];
+	u8 k_aut[EAP_SIM_K_AUT_LEN];
+	u8 k_encr[EAP_SIM_K_ENCR_LEN];
+	u8 msk[EAP_SIM_KEYING_DATA_LEN];
+	u8 emsk[EAP_EMSK_LEN];
+	u8 kc[EAP_SIM_MAX_CHAL][EAP_SIM_KC_LEN];
+	u8 sres[EAP_SIM_MAX_CHAL][EAP_SIM_SRES_LEN];
+	u8 rand[EAP_SIM_MAX_CHAL][GSM_RAND_LEN];
+	int num_chal;
+	enum {
+		START, CHALLENGE, REAUTH, NOTIFICATION, SUCCESS, FAILURE
+	} state;
+	char *next_pseudonym;
+	char *next_reauth_id;
+	u16 counter;
+	struct eap_sim_reauth *reauth;
+	u16 notification;
+	int use_result_ind;
+};
+
+
+static const char * eap_sim_state_txt(int state)
+{
+	switch (state) {
+	case START:
+		return "START";
+	case CHALLENGE:
+		return "CHALLENGE";
+	case REAUTH:
+		return "REAUTH";
+	case SUCCESS:
+		return "SUCCESS";
+	case FAILURE:
+		return "FAILURE";
+	case NOTIFICATION:
+		return "NOTIFICATION";
+	default:
+		return "Unknown?!";
+	}
+}
+
+
+static void eap_sim_state(struct eap_sim_data *data, int state)
+{
+	wpa_printf(MSG_DEBUG, "EAP-SIM: %s -> %s",
+		   eap_sim_state_txt(data->state),
+		   eap_sim_state_txt(state));
+	data->state = state;
+}
+
+
+static void * eap_sim_init(struct eap_sm *sm)
+{
+	struct eap_sim_data *data;
+
+	if (sm->eap_sim_db_priv == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: eap_sim_db not configured");
+		return NULL;
+	}
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = START;
+
+	return data;
+}
+
+
+static void eap_sim_reset(struct eap_sm *sm, void *priv)
+{
+	struct eap_sim_data *data = priv;
+	os_free(data->next_pseudonym);
+	os_free(data->next_reauth_id);
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_sim_build_start(struct eap_sm *sm,
+					   struct eap_sim_data *data, u8 id)
+{
+	struct eap_sim_msg *msg;
+	u8 ver[2];
+
+	wpa_printf(MSG_DEBUG, "EAP-SIM: Generating Start");
+	msg = eap_sim_msg_init(EAP_CODE_REQUEST, id, EAP_TYPE_SIM,
+			       EAP_SIM_SUBTYPE_START);
+	if (eap_sim_db_identity_known(sm->eap_sim_db_priv, sm->identity,
+				      sm->identity_len)) {
+		wpa_printf(MSG_DEBUG, "   AT_PERMANENT_ID_REQ");
+		eap_sim_msg_add(msg, EAP_SIM_AT_PERMANENT_ID_REQ, 0, NULL, 0);
+	} else {
+		/*
+		 * RFC 4186, Chap. 4.2.4 recommends that identity from EAP is
+		 * ignored and the SIM/Start is used to request the identity.
+		 */
+		wpa_printf(MSG_DEBUG, "   AT_ANY_ID_REQ");
+		eap_sim_msg_add(msg, EAP_SIM_AT_ANY_ID_REQ, 0, NULL, 0);
+	}
+	wpa_printf(MSG_DEBUG, "   AT_VERSION_LIST");
+	ver[0] = 0;
+	ver[1] = EAP_SIM_VERSION;
+	eap_sim_msg_add(msg, EAP_SIM_AT_VERSION_LIST, sizeof(ver),
+			ver, sizeof(ver));
+	return eap_sim_msg_finish(msg, NULL, NULL, 0);
+}
+
+
+static int eap_sim_build_encr(struct eap_sm *sm, struct eap_sim_data *data,
+			      struct eap_sim_msg *msg, u16 counter,
+			      const u8 *nonce_s)
+{
+	os_free(data->next_pseudonym);
+	data->next_pseudonym =
+		eap_sim_db_get_next_pseudonym(sm->eap_sim_db_priv, 0);
+	os_free(data->next_reauth_id);
+	if (data->counter <= EAP_SIM_MAX_FAST_REAUTHS) {
+		data->next_reauth_id =
+			eap_sim_db_get_next_reauth_id(sm->eap_sim_db_priv, 0);
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-SIM: Max fast re-authentication "
+			   "count exceeded - force full authentication");
+		data->next_reauth_id = NULL;
+	}
+
+	if (data->next_pseudonym == NULL && data->next_reauth_id == NULL &&
+	    counter == 0 && nonce_s == NULL)
+		return 0;
+
+	wpa_printf(MSG_DEBUG, "   AT_IV");
+	wpa_printf(MSG_DEBUG, "   AT_ENCR_DATA");
+	eap_sim_msg_add_encr_start(msg, EAP_SIM_AT_IV, EAP_SIM_AT_ENCR_DATA);
+
+	if (counter > 0) {
+		wpa_printf(MSG_DEBUG, "   *AT_COUNTER (%u)", counter);
+		eap_sim_msg_add(msg, EAP_SIM_AT_COUNTER, counter, NULL, 0);
+	}
+
+	if (nonce_s) {
+		wpa_printf(MSG_DEBUG, "   *AT_NONCE_S");
+		eap_sim_msg_add(msg, EAP_SIM_AT_NONCE_S, 0, nonce_s,
+				EAP_SIM_NONCE_S_LEN);
+	}
+
+	if (data->next_pseudonym) {
+		wpa_printf(MSG_DEBUG, "   *AT_NEXT_PSEUDONYM (%s)",
+			   data->next_pseudonym);
+		eap_sim_msg_add(msg, EAP_SIM_AT_NEXT_PSEUDONYM,
+				os_strlen(data->next_pseudonym),
+				(u8 *) data->next_pseudonym,
+				os_strlen(data->next_pseudonym));
+	}
+
+	if (data->next_reauth_id) {
+		wpa_printf(MSG_DEBUG, "   *AT_NEXT_REAUTH_ID (%s)",
+			   data->next_reauth_id);
+		eap_sim_msg_add(msg, EAP_SIM_AT_NEXT_REAUTH_ID,
+				os_strlen(data->next_reauth_id),
+				(u8 *) data->next_reauth_id,
+				os_strlen(data->next_reauth_id));
+	}
+
+	if (eap_sim_msg_add_encr_end(msg, data->k_encr, EAP_SIM_AT_PADDING)) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: Failed to encrypt "
+			   "AT_ENCR_DATA");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static struct wpabuf * eap_sim_build_challenge(struct eap_sm *sm,
+					       struct eap_sim_data *data,
+					       u8 id)
+{
+	struct eap_sim_msg *msg;
+
+	wpa_printf(MSG_DEBUG, "EAP-SIM: Generating Challenge");
+	msg = eap_sim_msg_init(EAP_CODE_REQUEST, id, EAP_TYPE_SIM,
+			       EAP_SIM_SUBTYPE_CHALLENGE);
+	wpa_printf(MSG_DEBUG, "   AT_RAND");
+	eap_sim_msg_add(msg, EAP_SIM_AT_RAND, 0, (u8 *) data->rand,
+			data->num_chal * GSM_RAND_LEN);
+
+	if (eap_sim_build_encr(sm, data, msg, 0, NULL)) {
+		eap_sim_msg_free(msg);
+		return NULL;
+	}
+
+	if (sm->eap_sim_aka_result_ind) {
+		wpa_printf(MSG_DEBUG, "   AT_RESULT_IND");
+		eap_sim_msg_add(msg, EAP_SIM_AT_RESULT_IND, 0, NULL, 0);
+	}
+
+	wpa_printf(MSG_DEBUG, "   AT_MAC");
+	eap_sim_msg_add_mac(msg, EAP_SIM_AT_MAC);
+	return eap_sim_msg_finish(msg, data->k_aut, data->nonce_mt,
+				  EAP_SIM_NONCE_MT_LEN);
+}
+
+
+static struct wpabuf * eap_sim_build_reauth(struct eap_sm *sm,
+					    struct eap_sim_data *data, u8 id)
+{
+	struct eap_sim_msg *msg;
+
+	wpa_printf(MSG_DEBUG, "EAP-SIM: Generating Re-authentication");
+
+	if (random_get_bytes(data->nonce_s, EAP_SIM_NONCE_S_LEN))
+		return NULL;
+	wpa_hexdump_key(MSG_MSGDUMP, "EAP-SIM: NONCE_S",
+			data->nonce_s, EAP_SIM_NONCE_S_LEN);
+
+	eap_sim_derive_keys(data->mk, data->k_encr, data->k_aut, data->msk,
+			    data->emsk);
+	eap_sim_derive_keys_reauth(data->counter, sm->identity,
+				   sm->identity_len, data->nonce_s, data->mk,
+				   data->msk, data->emsk);
+
+	msg = eap_sim_msg_init(EAP_CODE_REQUEST, id, EAP_TYPE_SIM,
+			       EAP_SIM_SUBTYPE_REAUTHENTICATION);
+
+	if (eap_sim_build_encr(sm, data, msg, data->counter, data->nonce_s)) {
+		eap_sim_msg_free(msg);
+		return NULL;
+	}
+
+	if (sm->eap_sim_aka_result_ind) {
+		wpa_printf(MSG_DEBUG, "   AT_RESULT_IND");
+		eap_sim_msg_add(msg, EAP_SIM_AT_RESULT_IND, 0, NULL, 0);
+	}
+
+	wpa_printf(MSG_DEBUG, "   AT_MAC");
+	eap_sim_msg_add_mac(msg, EAP_SIM_AT_MAC);
+	return eap_sim_msg_finish(msg, data->k_aut, NULL, 0);
+}
+
+
+static struct wpabuf * eap_sim_build_notification(struct eap_sm *sm,
+						  struct eap_sim_data *data,
+						  u8 id)
+{
+	struct eap_sim_msg *msg;
+
+	wpa_printf(MSG_DEBUG, "EAP-SIM: Generating Notification");
+	msg = eap_sim_msg_init(EAP_CODE_REQUEST, id, EAP_TYPE_SIM,
+			       EAP_SIM_SUBTYPE_NOTIFICATION);
+	wpa_printf(MSG_DEBUG, "   AT_NOTIFICATION (%d)", data->notification);
+	eap_sim_msg_add(msg, EAP_SIM_AT_NOTIFICATION, data->notification,
+			NULL, 0);
+	if (data->use_result_ind) {
+		if (data->reauth) {
+			wpa_printf(MSG_DEBUG, "   AT_IV");
+			wpa_printf(MSG_DEBUG, "   AT_ENCR_DATA");
+			eap_sim_msg_add_encr_start(msg, EAP_SIM_AT_IV,
+						   EAP_SIM_AT_ENCR_DATA);
+			wpa_printf(MSG_DEBUG, "   *AT_COUNTER (%u)",
+				   data->counter);
+			eap_sim_msg_add(msg, EAP_SIM_AT_COUNTER, data->counter,
+					NULL, 0);
+
+			if (eap_sim_msg_add_encr_end(msg, data->k_encr,
+						     EAP_SIM_AT_PADDING)) {
+				wpa_printf(MSG_WARNING, "EAP-SIM: Failed to "
+					   "encrypt AT_ENCR_DATA");
+				eap_sim_msg_free(msg);
+				return NULL;
+			}
+		}
+
+		wpa_printf(MSG_DEBUG, "   AT_MAC");
+		eap_sim_msg_add_mac(msg, EAP_SIM_AT_MAC);
+	}
+	return eap_sim_msg_finish(msg, data->k_aut, NULL, 0);
+}
+
+
+static struct wpabuf * eap_sim_buildReq(struct eap_sm *sm, void *priv, u8 id)
+{
+	struct eap_sim_data *data = priv;
+
+	switch (data->state) {
+	case START:
+		return eap_sim_build_start(sm, data, id);
+	case CHALLENGE:
+		return eap_sim_build_challenge(sm, data, id);
+	case REAUTH:
+		return eap_sim_build_reauth(sm, data, id);
+	case NOTIFICATION:
+		return eap_sim_build_notification(sm, data, id);
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-SIM: Unknown state %d in "
+			   "buildReq", data->state);
+		break;
+	}
+	return NULL;
+}
+
+
+static Boolean eap_sim_check(struct eap_sm *sm, void *priv,
+			     struct wpabuf *respData)
+{
+	struct eap_sim_data *data = priv;
+	const u8 *pos;
+	size_t len;
+	u8 subtype;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_SIM, respData, &len);
+	if (pos == NULL || len < 3) {
+		wpa_printf(MSG_INFO, "EAP-SIM: Invalid frame");
+		return TRUE;
+	}
+	subtype = *pos;
+
+	if (subtype == EAP_SIM_SUBTYPE_CLIENT_ERROR)
+		return FALSE;
+
+	switch (data->state) {
+	case START:
+		if (subtype != EAP_SIM_SUBTYPE_START) {
+			wpa_printf(MSG_INFO, "EAP-SIM: Unexpected response "
+				   "subtype %d", subtype);
+			return TRUE;
+		}
+		break;
+	case CHALLENGE:
+		if (subtype != EAP_SIM_SUBTYPE_CHALLENGE) {
+			wpa_printf(MSG_INFO, "EAP-SIM: Unexpected response "
+				   "subtype %d", subtype);
+			return TRUE;
+		}
+		break;
+	case REAUTH:
+		if (subtype != EAP_SIM_SUBTYPE_REAUTHENTICATION) {
+			wpa_printf(MSG_INFO, "EAP-SIM: Unexpected response "
+				   "subtype %d", subtype);
+			return TRUE;
+		}
+		break;
+	case NOTIFICATION:
+		if (subtype != EAP_SIM_SUBTYPE_NOTIFICATION) {
+			wpa_printf(MSG_INFO, "EAP-SIM: Unexpected response "
+				   "subtype %d", subtype);
+			return TRUE;
+		}
+		break;
+	default:
+		wpa_printf(MSG_INFO, "EAP-SIM: Unexpected state (%d) for "
+			   "processing a response", data->state);
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+static int eap_sim_supported_ver(struct eap_sim_data *data, int version)
+{
+	return version == EAP_SIM_VERSION;
+}
+
+
+static void eap_sim_process_start(struct eap_sm *sm,
+				  struct eap_sim_data *data,
+				  struct wpabuf *respData,
+				  struct eap_sim_attrs *attr)
+{
+	const u8 *identity;
+	size_t identity_len;
+	u8 ver_list[2];
+
+	wpa_printf(MSG_DEBUG, "EAP-SIM: Receive start response");
+
+	if (attr->identity) {
+		os_free(sm->identity);
+		sm->identity = os_malloc(attr->identity_len);
+		if (sm->identity) {
+			os_memcpy(sm->identity, attr->identity,
+				  attr->identity_len);
+			sm->identity_len = attr->identity_len;
+		}
+	}
+
+	identity = NULL;
+	identity_len = 0;
+
+	if (sm->identity && sm->identity_len > 0 &&
+	    sm->identity[0] == EAP_SIM_PERMANENT_PREFIX) {
+		identity = sm->identity;
+		identity_len = sm->identity_len;
+	} else {
+		identity = eap_sim_db_get_permanent(sm->eap_sim_db_priv,
+						    sm->identity,
+						    sm->identity_len,
+						    &identity_len);
+		if (identity == NULL) {
+			data->reauth = eap_sim_db_get_reauth_entry(
+				sm->eap_sim_db_priv, sm->identity,
+				sm->identity_len);
+			if (data->reauth) {
+				wpa_printf(MSG_DEBUG, "EAP-SIM: Using fast "
+					   "re-authentication");
+				identity = data->reauth->identity;
+				identity_len = data->reauth->identity_len;
+				data->counter = data->reauth->counter;
+				os_memcpy(data->mk, data->reauth->mk,
+					  EAP_SIM_MK_LEN);
+			}
+		}
+	}
+
+	if (identity == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-SIM: Could not get proper permanent"
+			   " user name");
+		eap_sim_state(data, FAILURE);
+		return;
+	}
+
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-SIM: Identity",
+			  identity, identity_len);
+
+	if (data->reauth) {
+		eap_sim_state(data, REAUTH);
+		return;
+	}
+
+	if (attr->nonce_mt == NULL || attr->selected_version < 0) {
+		wpa_printf(MSG_DEBUG, "EAP-SIM: Start/Response missing "
+			   "required attributes");
+		eap_sim_state(data, FAILURE);
+		return;
+	}
+
+	if (!eap_sim_supported_ver(data, attr->selected_version)) {
+		wpa_printf(MSG_DEBUG, "EAP-SIM: Peer selected unsupported "
+			   "version %d", attr->selected_version);
+		eap_sim_state(data, FAILURE);
+		return;
+	}
+
+	data->counter = 0; /* reset re-auth counter since this is full auth */
+	data->reauth = NULL;
+
+	data->num_chal = eap_sim_db_get_gsm_triplets(
+		sm->eap_sim_db_priv, identity, identity_len,
+		EAP_SIM_MAX_CHAL,
+		(u8 *) data->rand, (u8 *) data->kc, (u8 *) data->sres, sm);
+	if (data->num_chal == EAP_SIM_DB_PENDING) {
+		wpa_printf(MSG_DEBUG, "EAP-SIM: GSM authentication triplets "
+			   "not yet available - pending request");
+		sm->method_pending = METHOD_PENDING_WAIT;
+		return;
+	}
+	if (data->num_chal < 2) {
+		wpa_printf(MSG_INFO, "EAP-SIM: Failed to get GSM "
+			   "authentication triplets for the peer");
+		eap_sim_state(data, FAILURE);
+		return;
+	}
+
+	identity_len = sm->identity_len;
+	while (identity_len > 0 && sm->identity[identity_len - 1] == '\0') {
+		wpa_printf(MSG_DEBUG, "EAP-SIM: Workaround - drop last null "
+			   "character from identity");
+		identity_len--;
+	}
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-SIM: Identity for MK derivation",
+			  sm->identity, identity_len);
+
+	os_memcpy(data->nonce_mt, attr->nonce_mt, EAP_SIM_NONCE_MT_LEN);
+	WPA_PUT_BE16(ver_list, EAP_SIM_VERSION);
+	eap_sim_derive_mk(sm->identity, identity_len, attr->nonce_mt,
+			  attr->selected_version, ver_list, sizeof(ver_list),
+			  data->num_chal, (const u8 *) data->kc, data->mk);
+	eap_sim_derive_keys(data->mk, data->k_encr, data->k_aut, data->msk,
+			    data->emsk);
+
+	eap_sim_state(data, CHALLENGE);
+}
+
+
+static void eap_sim_process_challenge(struct eap_sm *sm,
+				      struct eap_sim_data *data,
+				      struct wpabuf *respData,
+				      struct eap_sim_attrs *attr)
+{
+	const u8 *identity;
+	size_t identity_len;
+
+	if (attr->mac == NULL ||
+	    eap_sim_verify_mac(data->k_aut, respData, attr->mac,
+			       (u8 *) data->sres,
+			       data->num_chal * EAP_SIM_SRES_LEN)) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: Challenge message "
+			   "did not include valid AT_MAC");
+		eap_sim_state(data, FAILURE);
+		return;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-SIM: Challenge response includes the "
+		   "correct AT_MAC");
+	if (sm->eap_sim_aka_result_ind && attr->result_ind) {
+		data->use_result_ind = 1;
+		data->notification = EAP_SIM_SUCCESS;
+		eap_sim_state(data, NOTIFICATION);
+	} else
+		eap_sim_state(data, SUCCESS);
+
+	identity = eap_sim_db_get_permanent(sm->eap_sim_db_priv, sm->identity,
+					    sm->identity_len, &identity_len);
+	if (identity == NULL) {
+		identity = sm->identity;
+		identity_len = sm->identity_len;
+	}
+
+	if (data->next_pseudonym) {
+		eap_sim_db_add_pseudonym(sm->eap_sim_db_priv, identity,
+					 identity_len,
+					 data->next_pseudonym);
+		data->next_pseudonym = NULL;
+	}
+	if (data->next_reauth_id) {
+		eap_sim_db_add_reauth(sm->eap_sim_db_priv, identity,
+				      identity_len,
+				      data->next_reauth_id, data->counter + 1,
+				      data->mk);
+		data->next_reauth_id = NULL;
+	}
+}
+
+
+static void eap_sim_process_reauth(struct eap_sm *sm,
+				   struct eap_sim_data *data,
+				   struct wpabuf *respData,
+				   struct eap_sim_attrs *attr)
+{
+	struct eap_sim_attrs eattr;
+	u8 *decrypted = NULL;
+	const u8 *identity, *id2;
+	size_t identity_len, id2_len;
+
+	if (attr->mac == NULL ||
+	    eap_sim_verify_mac(data->k_aut, respData, attr->mac, data->nonce_s,
+			       EAP_SIM_NONCE_S_LEN)) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: Re-authentication message "
+			   "did not include valid AT_MAC");
+		goto fail;
+	}
+
+	if (attr->encr_data == NULL || attr->iv == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: Reauthentication "
+			   "message did not include encrypted data");
+		goto fail;
+	}
+
+	decrypted = eap_sim_parse_encr(data->k_encr, attr->encr_data,
+				       attr->encr_data_len, attr->iv, &eattr,
+				       0);
+	if (decrypted == NULL) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: Failed to parse encrypted "
+			   "data from reauthentication message");
+		goto fail;
+	}
+
+	if (eattr.counter != data->counter) {
+		wpa_printf(MSG_WARNING, "EAP-SIM: Re-authentication message "
+			   "used incorrect counter %u, expected %u",
+			   eattr.counter, data->counter);
+		goto fail;
+	}
+	os_free(decrypted);
+	decrypted = NULL;
+
+	wpa_printf(MSG_DEBUG, "EAP-SIM: Re-authentication response includes "
+		   "the correct AT_MAC");
+	if (sm->eap_sim_aka_result_ind && attr->result_ind) {
+		data->use_result_ind = 1;
+		data->notification = EAP_SIM_SUCCESS;
+		eap_sim_state(data, NOTIFICATION);
+	} else
+		eap_sim_state(data, SUCCESS);
+
+	if (data->reauth) {
+		identity = data->reauth->identity;
+		identity_len = data->reauth->identity_len;
+	} else {
+		identity = sm->identity;
+		identity_len = sm->identity_len;
+	}
+
+	id2 = eap_sim_db_get_permanent(sm->eap_sim_db_priv, identity,
+				       identity_len, &id2_len);
+	if (id2) {
+		identity = id2;
+		identity_len = id2_len;
+	}
+
+	if (data->next_pseudonym) {
+		eap_sim_db_add_pseudonym(sm->eap_sim_db_priv, identity,
+					 identity_len, data->next_pseudonym);
+		data->next_pseudonym = NULL;
+	}
+	if (data->next_reauth_id) {
+		eap_sim_db_add_reauth(sm->eap_sim_db_priv, identity,
+				      identity_len, data->next_reauth_id,
+				      data->counter + 1, data->mk);
+		data->next_reauth_id = NULL;
+	} else {
+		eap_sim_db_remove_reauth(sm->eap_sim_db_priv, data->reauth);
+		data->reauth = NULL;
+	}
+
+	return;
+
+fail:
+	eap_sim_state(data, FAILURE);
+	eap_sim_db_remove_reauth(sm->eap_sim_db_priv, data->reauth);
+	data->reauth = NULL;
+	os_free(decrypted);
+}
+
+
+static void eap_sim_process_client_error(struct eap_sm *sm,
+					 struct eap_sim_data *data,
+					 struct wpabuf *respData,
+					 struct eap_sim_attrs *attr)
+{
+	wpa_printf(MSG_DEBUG, "EAP-SIM: Client reported error %d",
+		   attr->client_error_code);
+	if (data->notification == EAP_SIM_SUCCESS && data->use_result_ind)
+		eap_sim_state(data, SUCCESS);
+	else
+		eap_sim_state(data, FAILURE);
+}
+
+
+static void eap_sim_process_notification(struct eap_sm *sm,
+					 struct eap_sim_data *data,
+					 struct wpabuf *respData,
+					 struct eap_sim_attrs *attr)
+{
+	wpa_printf(MSG_DEBUG, "EAP-SIM: Client replied to notification");
+	if (data->notification == EAP_SIM_SUCCESS && data->use_result_ind)
+		eap_sim_state(data, SUCCESS);
+	else
+		eap_sim_state(data, FAILURE);
+}
+
+
+static void eap_sim_process(struct eap_sm *sm, void *priv,
+			    struct wpabuf *respData)
+{
+	struct eap_sim_data *data = priv;
+	const u8 *pos, *end;
+	u8 subtype;
+	size_t len;
+	struct eap_sim_attrs attr;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_SIM, respData, &len);
+	if (pos == NULL || len < 3)
+		return;
+
+	end = pos + len;
+	subtype = *pos;
+	pos += 3;
+
+	if (eap_sim_parse_attr(pos, end, &attr, 0, 0)) {
+		wpa_printf(MSG_DEBUG, "EAP-SIM: Failed to parse attributes");
+		eap_sim_state(data, FAILURE);
+		return;
+	}
+
+	if (subtype == EAP_SIM_SUBTYPE_CLIENT_ERROR) {
+		eap_sim_process_client_error(sm, data, respData, &attr);
+		return;
+	}
+
+	switch (data->state) {
+	case START:
+		eap_sim_process_start(sm, data, respData, &attr);
+		break;
+	case CHALLENGE:
+		eap_sim_process_challenge(sm, data, respData, &attr);
+		break;
+	case REAUTH:
+		eap_sim_process_reauth(sm, data, respData, &attr);
+		break;
+	case NOTIFICATION:
+		eap_sim_process_notification(sm, data, respData, &attr);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-SIM: Unknown state %d in "
+			   "process", data->state);
+		break;
+	}
+}
+
+
+static Boolean eap_sim_isDone(struct eap_sm *sm, void *priv)
+{
+	struct eap_sim_data *data = priv;
+	return data->state == SUCCESS || data->state == FAILURE;
+}
+
+
+static u8 * eap_sim_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_sim_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_SIM_KEYING_DATA_LEN);
+	if (key == NULL)
+		return NULL;
+	os_memcpy(key, data->msk, EAP_SIM_KEYING_DATA_LEN);
+	*len = EAP_SIM_KEYING_DATA_LEN;
+	return key;
+}
+
+
+static u8 * eap_sim_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_sim_data *data = priv;
+	u8 *key;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(EAP_EMSK_LEN);
+	if (key == NULL)
+		return NULL;
+	os_memcpy(key, data->emsk, EAP_EMSK_LEN);
+	*len = EAP_EMSK_LEN;
+	return key;
+}
+
+
+static Boolean eap_sim_isSuccess(struct eap_sm *sm, void *priv)
+{
+	struct eap_sim_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+int eap_server_sim_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_IETF, EAP_TYPE_SIM, "SIM");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_sim_init;
+	eap->reset = eap_sim_reset;
+	eap->buildReq = eap_sim_buildReq;
+	eap->check = eap_sim_check;
+	eap->process = eap_sim_process;
+	eap->isDone = eap_sim_isDone;
+	eap->getKey = eap_sim_getKey;
+	eap->isSuccess = eap_sim_isSuccess;
+	eap->get_emsk = eap_sim_get_emsk;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_server/eap_server_tls.c b/src/eap_server/eap_server_tls.c
new file mode 100644
index 0000000..c98fa18
--- /dev/null
+++ b/src/eap_server/eap_server_tls.c
@@ -0,0 +1,286 @@
+/*
+ * hostapd / EAP-TLS (RFC 2716)
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eap_i.h"
+#include "eap_tls_common.h"
+#include "crypto/tls.h"
+
+
+static void eap_tls_reset(struct eap_sm *sm, void *priv);
+
+
+struct eap_tls_data {
+	struct eap_ssl_data ssl;
+	enum { START, CONTINUE, SUCCESS, FAILURE } state;
+	int established;
+};
+
+
+static const char * eap_tls_state_txt(int state)
+{
+	switch (state) {
+	case START:
+		return "START";
+	case CONTINUE:
+		return "CONTINUE";
+	case SUCCESS:
+		return "SUCCESS";
+	case FAILURE:
+		return "FAILURE";
+	default:
+		return "Unknown?!";
+	}
+}
+
+
+static void eap_tls_state(struct eap_tls_data *data, int state)
+{
+	wpa_printf(MSG_DEBUG, "EAP-TLS: %s -> %s",
+		   eap_tls_state_txt(data->state),
+		   eap_tls_state_txt(state));
+	data->state = state;
+}
+
+
+static void * eap_tls_init(struct eap_sm *sm)
+{
+	struct eap_tls_data *data;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = START;
+
+	if (eap_server_tls_ssl_init(sm, &data->ssl, 1)) {
+		wpa_printf(MSG_INFO, "EAP-TLS: Failed to initialize SSL.");
+		eap_tls_reset(sm, data);
+		return NULL;
+	}
+
+	return data;
+}
+
+
+static void eap_tls_reset(struct eap_sm *sm, void *priv)
+{
+	struct eap_tls_data *data = priv;
+	if (data == NULL)
+		return;
+	eap_server_tls_ssl_deinit(sm, &data->ssl);
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_tls_build_start(struct eap_sm *sm,
+					   struct eap_tls_data *data, u8 id)
+{
+	struct wpabuf *req;
+
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_TLS, 1, EAP_CODE_REQUEST,
+			    id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-TLS: Failed to allocate memory for "
+			   "request");
+		eap_tls_state(data, FAILURE);
+		return NULL;
+	}
+
+	wpabuf_put_u8(req, EAP_TLS_FLAGS_START);
+
+	eap_tls_state(data, CONTINUE);
+
+	return req;
+}
+
+
+static struct wpabuf * eap_tls_buildReq(struct eap_sm *sm, void *priv, u8 id)
+{
+	struct eap_tls_data *data = priv;
+	struct wpabuf *res;
+
+	if (data->ssl.state == FRAG_ACK) {
+		return eap_server_tls_build_ack(id, EAP_TYPE_TLS, 0);
+	}
+
+	if (data->ssl.state == WAIT_FRAG_ACK) {
+		res = eap_server_tls_build_msg(&data->ssl, EAP_TYPE_TLS, 0,
+					       id);
+		goto check_established;
+	}
+
+	switch (data->state) {
+	case START:
+		return eap_tls_build_start(sm, data, id);
+	case CONTINUE:
+		if (tls_connection_established(sm->ssl_ctx, data->ssl.conn))
+			data->established = 1;
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-TLS: %s - unexpected state %d",
+			   __func__, data->state);
+		return NULL;
+	}
+
+	res = eap_server_tls_build_msg(&data->ssl, EAP_TYPE_TLS, 0, id);
+
+check_established:
+	if (data->established && data->ssl.state != WAIT_FRAG_ACK) {
+		/* TLS handshake has been completed and there are no more
+		 * fragments waiting to be sent out. */
+		wpa_printf(MSG_DEBUG, "EAP-TLS: Done");
+		eap_tls_state(data, SUCCESS);
+	}
+
+	return res;
+}
+
+
+static Boolean eap_tls_check(struct eap_sm *sm, void *priv,
+			     struct wpabuf *respData)
+{
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_TLS, respData, &len);
+	if (pos == NULL || len < 1) {
+		wpa_printf(MSG_INFO, "EAP-TLS: Invalid frame");
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+static void eap_tls_process_msg(struct eap_sm *sm, void *priv,
+				const struct wpabuf *respData)
+{
+	struct eap_tls_data *data = priv;
+	if (data->state == SUCCESS && wpabuf_len(data->ssl.tls_in) == 0) {
+		wpa_printf(MSG_DEBUG, "EAP-TLS: Client acknowledged final TLS "
+			   "handshake message");
+		return;
+	}
+	if (eap_server_tls_phase1(sm, &data->ssl) < 0)
+		eap_tls_state(data, FAILURE);
+}
+
+
+static void eap_tls_process(struct eap_sm *sm, void *priv,
+			    struct wpabuf *respData)
+{
+	struct eap_tls_data *data = priv;
+	if (eap_server_tls_process(sm, &data->ssl, respData, data,
+				   EAP_TYPE_TLS, NULL, eap_tls_process_msg) <
+	    0)
+		eap_tls_state(data, FAILURE);
+}
+
+
+static Boolean eap_tls_isDone(struct eap_sm *sm, void *priv)
+{
+	struct eap_tls_data *data = priv;
+	return data->state == SUCCESS || data->state == FAILURE;
+}
+
+
+static u8 * eap_tls_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_tls_data *data = priv;
+	u8 *eapKeyData;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	eapKeyData = eap_server_tls_derive_key(sm, &data->ssl,
+					       "client EAP encryption",
+					       EAP_TLS_KEY_LEN);
+	if (eapKeyData) {
+		*len = EAP_TLS_KEY_LEN;
+		wpa_hexdump(MSG_DEBUG, "EAP-TLS: Derived key",
+			    eapKeyData, EAP_TLS_KEY_LEN);
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-TLS: Failed to derive key");
+	}
+
+	return eapKeyData;
+}
+
+
+static u8 * eap_tls_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_tls_data *data = priv;
+	u8 *eapKeyData, *emsk;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	eapKeyData = eap_server_tls_derive_key(sm, &data->ssl,
+					       "client EAP encryption",
+					       EAP_TLS_KEY_LEN + EAP_EMSK_LEN);
+	if (eapKeyData) {
+		emsk = os_malloc(EAP_EMSK_LEN);
+		if (emsk)
+			os_memcpy(emsk, eapKeyData + EAP_TLS_KEY_LEN,
+				  EAP_EMSK_LEN);
+		os_free(eapKeyData);
+	} else
+		emsk = NULL;
+
+	if (emsk) {
+		*len = EAP_EMSK_LEN;
+		wpa_hexdump(MSG_DEBUG, "EAP-TLS: Derived EMSK",
+			    emsk, EAP_EMSK_LEN);
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-TLS: Failed to derive EMSK");
+	}
+
+	return emsk;
+}
+
+
+static Boolean eap_tls_isSuccess(struct eap_sm *sm, void *priv)
+{
+	struct eap_tls_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+int eap_server_tls_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_IETF, EAP_TYPE_TLS, "TLS");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_tls_init;
+	eap->reset = eap_tls_reset;
+	eap->buildReq = eap_tls_buildReq;
+	eap->check = eap_tls_check;
+	eap->process = eap_tls_process;
+	eap->isDone = eap_tls_isDone;
+	eap->getKey = eap_tls_getKey;
+	eap->isSuccess = eap_tls_isSuccess;
+	eap->get_emsk = eap_tls_get_emsk;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_server/eap_server_tls_common.c b/src/eap_server/eap_server_tls_common.c
new file mode 100644
index 0000000..e149ee3
--- /dev/null
+++ b/src/eap_server/eap_server_tls_common.c
@@ -0,0 +1,400 @@
+/*
+ * EAP-TLS/PEAP/TTLS/FAST server common functions
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/sha1.h"
+#include "crypto/tls.h"
+#include "eap_i.h"
+#include "eap_tls_common.h"
+
+
+static void eap_server_tls_free_in_buf(struct eap_ssl_data *data);
+
+
+int eap_server_tls_ssl_init(struct eap_sm *sm, struct eap_ssl_data *data,
+			    int verify_peer)
+{
+	data->eap = sm;
+	data->phase2 = sm->init_phase2;
+
+	data->conn = tls_connection_init(sm->ssl_ctx);
+	if (data->conn == NULL) {
+		wpa_printf(MSG_INFO, "SSL: Failed to initialize new TLS "
+			   "connection");
+		return -1;
+	}
+
+	if (tls_connection_set_verify(sm->ssl_ctx, data->conn, verify_peer)) {
+		wpa_printf(MSG_INFO, "SSL: Failed to configure verification "
+			   "of TLS peer certificate");
+		tls_connection_deinit(sm->ssl_ctx, data->conn);
+		data->conn = NULL;
+		return -1;
+	}
+
+	data->tls_out_limit = sm->fragment_size > 0 ? sm->fragment_size : 1398;
+	if (data->phase2) {
+		/* Limit the fragment size in the inner TLS authentication
+		 * since the outer authentication with EAP-PEAP does not yet
+		 * support fragmentation */
+		if (data->tls_out_limit > 100)
+			data->tls_out_limit -= 100;
+	}
+	return 0;
+}
+
+
+void eap_server_tls_ssl_deinit(struct eap_sm *sm, struct eap_ssl_data *data)
+{
+	tls_connection_deinit(sm->ssl_ctx, data->conn);
+	eap_server_tls_free_in_buf(data);
+	wpabuf_free(data->tls_out);
+	data->tls_out = NULL;
+}
+
+
+u8 * eap_server_tls_derive_key(struct eap_sm *sm, struct eap_ssl_data *data,
+			       char *label, size_t len)
+{
+	struct tls_keys keys;
+	u8 *rnd = NULL, *out;
+
+	out = os_malloc(len);
+	if (out == NULL)
+		return NULL;
+
+	if (tls_connection_prf(sm->ssl_ctx, data->conn, label, 0, out, len) ==
+	    0)
+		return out;
+
+	if (tls_connection_get_keys(sm->ssl_ctx, data->conn, &keys))
+		goto fail;
+
+	if (keys.client_random == NULL || keys.server_random == NULL ||
+	    keys.master_key == NULL)
+		goto fail;
+
+	rnd = os_malloc(keys.client_random_len + keys.server_random_len);
+	if (rnd == NULL)
+		goto fail;
+	os_memcpy(rnd, keys.client_random, keys.client_random_len);
+	os_memcpy(rnd + keys.client_random_len, keys.server_random,
+		  keys.server_random_len);
+
+	if (tls_prf(keys.master_key, keys.master_key_len,
+		    label, rnd, keys.client_random_len +
+		    keys.server_random_len, out, len))
+		goto fail;
+
+	os_free(rnd);
+	return out;
+
+fail:
+	os_free(out);
+	os_free(rnd);
+	return NULL;
+}
+
+
+struct wpabuf * eap_server_tls_build_msg(struct eap_ssl_data *data,
+					 int eap_type, int version, u8 id)
+{
+	struct wpabuf *req;
+	u8 flags;
+	size_t send_len, plen;
+
+	wpa_printf(MSG_DEBUG, "SSL: Generating Request");
+	if (data->tls_out == NULL) {
+		wpa_printf(MSG_ERROR, "SSL: tls_out NULL in %s", __func__);
+		return NULL;
+	}
+
+	flags = version;
+	send_len = wpabuf_len(data->tls_out) - data->tls_out_pos;
+	if (1 + send_len > data->tls_out_limit) {
+		send_len = data->tls_out_limit - 1;
+		flags |= EAP_TLS_FLAGS_MORE_FRAGMENTS;
+		if (data->tls_out_pos == 0) {
+			flags |= EAP_TLS_FLAGS_LENGTH_INCLUDED;
+			send_len -= 4;
+		}
+	}
+
+	plen = 1 + send_len;
+	if (flags & EAP_TLS_FLAGS_LENGTH_INCLUDED)
+		plen += 4;
+
+	req = eap_msg_alloc(EAP_VENDOR_IETF, eap_type, plen,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL)
+		return NULL;
+
+	wpabuf_put_u8(req, flags); /* Flags */
+	if (flags & EAP_TLS_FLAGS_LENGTH_INCLUDED)
+		wpabuf_put_be32(req, wpabuf_len(data->tls_out));
+
+	wpabuf_put_data(req, wpabuf_head_u8(data->tls_out) + data->tls_out_pos,
+			send_len);
+	data->tls_out_pos += send_len;
+
+	if (data->tls_out_pos == wpabuf_len(data->tls_out)) {
+		wpa_printf(MSG_DEBUG, "SSL: Sending out %lu bytes "
+			   "(message sent completely)",
+			   (unsigned long) send_len);
+		wpabuf_free(data->tls_out);
+		data->tls_out = NULL;
+		data->tls_out_pos = 0;
+		data->state = MSG;
+	} else {
+		wpa_printf(MSG_DEBUG, "SSL: Sending out %lu bytes "
+			   "(%lu more to send)", (unsigned long) send_len,
+			   (unsigned long) wpabuf_len(data->tls_out) -
+			   data->tls_out_pos);
+		data->state = WAIT_FRAG_ACK;
+	}
+
+	return req;
+}
+
+
+struct wpabuf * eap_server_tls_build_ack(u8 id, int eap_type, int version)
+{
+	struct wpabuf *req;
+
+	req = eap_msg_alloc(EAP_VENDOR_IETF, eap_type, 1, EAP_CODE_REQUEST,
+			    id);
+	if (req == NULL)
+		return NULL;
+	wpa_printf(MSG_DEBUG, "SSL: Building ACK");
+	wpabuf_put_u8(req, version); /* Flags */
+	return req;
+}
+
+
+static int eap_server_tls_process_cont(struct eap_ssl_data *data,
+				       const u8 *buf, size_t len)
+{
+	/* Process continuation of a pending message */
+	if (len > wpabuf_tailroom(data->tls_in)) {
+		wpa_printf(MSG_DEBUG, "SSL: Fragment overflow");
+		return -1;
+	}
+
+	wpabuf_put_data(data->tls_in, buf, len);
+	wpa_printf(MSG_DEBUG, "SSL: Received %lu bytes, waiting for %lu "
+		   "bytes more", (unsigned long) len,
+		   (unsigned long) wpabuf_tailroom(data->tls_in));
+
+	return 0;
+}
+
+
+static int eap_server_tls_process_fragment(struct eap_ssl_data *data,
+					   u8 flags, u32 message_length,
+					   const u8 *buf, size_t len)
+{
+	/* Process a fragment that is not the last one of the message */
+	if (data->tls_in == NULL && !(flags & EAP_TLS_FLAGS_LENGTH_INCLUDED)) {
+		wpa_printf(MSG_DEBUG, "SSL: No Message Length field in a "
+			   "fragmented packet");
+		return -1;
+	}
+
+	if (data->tls_in == NULL) {
+		/* First fragment of the message */
+
+		/* Limit length to avoid rogue peers from causing large
+		 * memory allocations. */
+		if (message_length > 65536) {
+			wpa_printf(MSG_INFO, "SSL: Too long TLS fragment (size"
+				   " over 64 kB)");
+			return -1;
+		}
+
+		data->tls_in = wpabuf_alloc(message_length);
+		if (data->tls_in == NULL) {
+			wpa_printf(MSG_DEBUG, "SSL: No memory for message");
+			return -1;
+		}
+		wpabuf_put_data(data->tls_in, buf, len);
+		wpa_printf(MSG_DEBUG, "SSL: Received %lu bytes in first "
+			   "fragment, waiting for %lu bytes more",
+			   (unsigned long) len,
+			   (unsigned long) wpabuf_tailroom(data->tls_in));
+	}
+
+	return 0;
+}
+
+
+int eap_server_tls_phase1(struct eap_sm *sm, struct eap_ssl_data *data)
+{
+	if (data->tls_out) {
+		/* This should not happen.. */
+		wpa_printf(MSG_INFO, "SSL: pending tls_out data when "
+			   "processing new message");
+		wpabuf_free(data->tls_out);
+		WPA_ASSERT(data->tls_out == NULL);
+	}
+
+	data->tls_out = tls_connection_server_handshake(sm->ssl_ctx,
+							data->conn,
+							data->tls_in, NULL);
+	if (data->tls_out == NULL) {
+		wpa_printf(MSG_INFO, "SSL: TLS processing failed");
+		return -1;
+	}
+	if (tls_connection_get_failed(sm->ssl_ctx, data->conn)) {
+		/* TLS processing has failed - return error */
+		wpa_printf(MSG_DEBUG, "SSL: Failed - tls_out available to "
+			   "report error");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int eap_server_tls_reassemble(struct eap_ssl_data *data, u8 flags,
+				     const u8 **pos, size_t *left)
+{
+	unsigned int tls_msg_len = 0;
+	const u8 *end = *pos + *left;
+
+	if (flags & EAP_TLS_FLAGS_LENGTH_INCLUDED) {
+		if (*left < 4) {
+			wpa_printf(MSG_INFO, "SSL: Short frame with TLS "
+				   "length");
+			return -1;
+		}
+		tls_msg_len = WPA_GET_BE32(*pos);
+		wpa_printf(MSG_DEBUG, "SSL: TLS Message Length: %d",
+			   tls_msg_len);
+		*pos += 4;
+		*left -= 4;
+	}
+
+	wpa_printf(MSG_DEBUG, "SSL: Received packet: Flags 0x%x "
+		   "Message Length %u", flags, tls_msg_len);
+
+	if (data->state == WAIT_FRAG_ACK) {
+		if (*left != 0) {
+			wpa_printf(MSG_DEBUG, "SSL: Unexpected payload in "
+				   "WAIT_FRAG_ACK state");
+			return -1;
+		}
+		wpa_printf(MSG_DEBUG, "SSL: Fragment acknowledged");
+		return 1;
+	}
+
+	if (data->tls_in &&
+	    eap_server_tls_process_cont(data, *pos, end - *pos) < 0)
+		return -1;
+		
+	if (flags & EAP_TLS_FLAGS_MORE_FRAGMENTS) {
+		if (eap_server_tls_process_fragment(data, flags, tls_msg_len,
+						    *pos, end - *pos) < 0)
+			return -1;
+
+		data->state = FRAG_ACK;
+		return 1;
+	}
+
+	if (data->state == FRAG_ACK) {
+		wpa_printf(MSG_DEBUG, "SSL: All fragments received");
+		data->state = MSG;
+	}
+
+	if (data->tls_in == NULL) {
+		/* Wrap unfragmented messages as wpabuf without extra copy */
+		wpabuf_set(&data->tmpbuf, *pos, end - *pos);
+		data->tls_in = &data->tmpbuf;
+	}
+
+	return 0;
+}
+
+
+static void eap_server_tls_free_in_buf(struct eap_ssl_data *data)
+{
+	if (data->tls_in != &data->tmpbuf)
+		wpabuf_free(data->tls_in);
+	data->tls_in = NULL;
+}
+
+
+struct wpabuf * eap_server_tls_encrypt(struct eap_sm *sm,
+				       struct eap_ssl_data *data,
+				       const struct wpabuf *plain)
+{
+	struct wpabuf *buf;
+
+	buf = tls_connection_encrypt(sm->ssl_ctx, data->conn,
+				     plain);
+	if (buf == NULL) {
+		wpa_printf(MSG_INFO, "SSL: Failed to encrypt Phase 2 data");
+		return NULL;
+	}
+
+	return buf;
+}
+
+
+int eap_server_tls_process(struct eap_sm *sm, struct eap_ssl_data *data,
+			   struct wpabuf *respData, void *priv, int eap_type,
+			   int (*proc_version)(struct eap_sm *sm, void *priv,
+					       int peer_version),
+			   void (*proc_msg)(struct eap_sm *sm, void *priv,
+					    const struct wpabuf *respData))
+{
+	const u8 *pos;
+	u8 flags;
+	size_t left;
+	int ret, res = 0;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, eap_type, respData, &left);
+	if (pos == NULL || left < 1)
+		return 0; /* Should not happen - frame already validated */
+	flags = *pos++;
+	left--;
+	wpa_printf(MSG_DEBUG, "SSL: Received packet(len=%lu) - Flags 0x%02x",
+		   (unsigned long) wpabuf_len(respData), flags);
+
+	if (proc_version &&
+	    proc_version(sm, priv, flags & EAP_TLS_VERSION_MASK) < 0)
+		return -1;
+
+	ret = eap_server_tls_reassemble(data, flags, &pos, &left);
+	if (ret < 0) {
+		res = -1;
+		goto done;
+	} else if (ret == 1)
+		return 0;
+
+	if (proc_msg)
+		proc_msg(sm, priv, respData);
+
+	if (tls_connection_get_write_alerts(sm->ssl_ctx, data->conn) > 1) {
+		wpa_printf(MSG_INFO, "SSL: Locally detected fatal error in "
+			   "TLS processing");
+		res = -1;
+	}
+
+done:
+	eap_server_tls_free_in_buf(data);
+
+	return res;
+}
diff --git a/src/eap_server/eap_server_tnc.c b/src/eap_server/eap_server_tnc.c
new file mode 100644
index 0000000..a2d6f17
--- /dev/null
+++ b/src/eap_server/eap_server_tnc.c
@@ -0,0 +1,582 @@
+/*
+ * EAP server method: EAP-TNC (Trusted Network Connect)
+ * Copyright (c) 2007-2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "base64.h"
+#include "eap_i.h"
+#include "tncs.h"
+
+
+struct eap_tnc_data {
+	enum eap_tnc_state {
+		START, CONTINUE, RECOMMENDATION, FRAG_ACK, WAIT_FRAG_ACK, DONE,
+		FAIL
+	} state;
+	enum { ALLOW, ISOLATE, NO_ACCESS, NO_RECOMMENDATION } recommendation;
+	struct tncs_data *tncs;
+	struct wpabuf *in_buf;
+	struct wpabuf *out_buf;
+	size_t out_used;
+	size_t fragment_size;
+	unsigned int was_done:1;
+	unsigned int was_fail:1;
+};
+
+
+/* EAP-TNC Flags */
+#define EAP_TNC_FLAGS_LENGTH_INCLUDED 0x80
+#define EAP_TNC_FLAGS_MORE_FRAGMENTS 0x40
+#define EAP_TNC_FLAGS_START 0x20
+#define EAP_TNC_VERSION_MASK 0x07
+
+#define EAP_TNC_VERSION 1
+
+
+static const char * eap_tnc_state_txt(enum eap_tnc_state state)
+{
+	switch (state) {
+	case START:
+		return "START";
+	case CONTINUE:
+		return "CONTINUE";
+	case RECOMMENDATION:
+		return "RECOMMENDATION";
+	case FRAG_ACK:
+		return "FRAG_ACK";
+	case WAIT_FRAG_ACK:
+		return "WAIT_FRAG_ACK";
+	case DONE:
+		return "DONE";
+	case FAIL:
+		return "FAIL";
+	}
+	return "??";
+}
+
+
+static void eap_tnc_set_state(struct eap_tnc_data *data,
+			      enum eap_tnc_state new_state)
+{
+	wpa_printf(MSG_DEBUG, "EAP-TNC: %s -> %s",
+		   eap_tnc_state_txt(data->state),
+		   eap_tnc_state_txt(new_state));
+	data->state = new_state;
+}
+
+
+static void * eap_tnc_init(struct eap_sm *sm)
+{
+	struct eap_tnc_data *data;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	eap_tnc_set_state(data, START);
+	data->tncs = tncs_init();
+	if (data->tncs == NULL) {
+		os_free(data);
+		return NULL;
+	}
+
+	data->fragment_size = sm->fragment_size > 100 ?
+		sm->fragment_size - 98 : 1300;
+
+	return data;
+}
+
+
+static void eap_tnc_reset(struct eap_sm *sm, void *priv)
+{
+	struct eap_tnc_data *data = priv;
+	wpabuf_free(data->in_buf);
+	wpabuf_free(data->out_buf);
+	tncs_deinit(data->tncs);
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_tnc_build_start(struct eap_sm *sm,
+					   struct eap_tnc_data *data, u8 id)
+{
+	struct wpabuf *req;
+
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_TNC, 1, EAP_CODE_REQUEST,
+			    id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-TNC: Failed to allocate memory for "
+			   "request");
+		eap_tnc_set_state(data, FAIL);
+		return NULL;
+	}
+
+	wpabuf_put_u8(req, EAP_TNC_FLAGS_START | EAP_TNC_VERSION);
+
+	eap_tnc_set_state(data, CONTINUE);
+
+	return req;
+}
+
+
+static struct wpabuf * eap_tnc_build(struct eap_sm *sm,
+				     struct eap_tnc_data *data)
+{
+	struct wpabuf *req;
+	u8 *rpos, *rpos1;
+	size_t rlen;
+	char *start_buf, *end_buf;
+	size_t start_len, end_len;
+	size_t imv_len;
+
+	imv_len = tncs_total_send_len(data->tncs);
+
+	start_buf = tncs_if_tnccs_start(data->tncs);
+	if (start_buf == NULL)
+		return NULL;
+	start_len = os_strlen(start_buf);
+	end_buf = tncs_if_tnccs_end();
+	if (end_buf == NULL) {
+		os_free(start_buf);
+		return NULL;
+	}
+	end_len = os_strlen(end_buf);
+
+	rlen = start_len + imv_len + end_len;
+	req = wpabuf_alloc(rlen);
+	if (req == NULL) {
+		os_free(start_buf);
+		os_free(end_buf);
+		return NULL;
+	}
+
+	wpabuf_put_data(req, start_buf, start_len);
+	os_free(start_buf);
+
+	rpos1 = wpabuf_put(req, 0);
+	rpos = tncs_copy_send_buf(data->tncs, rpos1);
+	wpabuf_put(req, rpos - rpos1);
+
+	wpabuf_put_data(req, end_buf, end_len);
+	os_free(end_buf);
+
+	wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-TNC: Request",
+			  wpabuf_head(req), wpabuf_len(req));
+
+	return req;
+}
+
+
+static struct wpabuf * eap_tnc_build_recommendation(struct eap_sm *sm,
+						    struct eap_tnc_data *data)
+{
+	switch (data->recommendation) {
+	case ALLOW:
+		eap_tnc_set_state(data, DONE);
+		break;
+	case ISOLATE:
+		eap_tnc_set_state(data, FAIL);
+		/* TODO: support assignment to a different VLAN */
+		break;
+	case NO_ACCESS:
+		eap_tnc_set_state(data, FAIL);
+		break;
+	case NO_RECOMMENDATION:
+		eap_tnc_set_state(data, DONE);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-TNC: Unknown recommendation");
+		return NULL;
+	}
+
+	return eap_tnc_build(sm, data);
+}
+
+
+static struct wpabuf * eap_tnc_build_frag_ack(u8 id, u8 code)
+{
+	struct wpabuf *msg;
+
+	msg = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_TNC, 1, code, id);
+	if (msg == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-TNC: Failed to allocate memory "
+			   "for fragment ack");
+		return NULL;
+	}
+	wpabuf_put_u8(msg, EAP_TNC_VERSION); /* Flags */
+
+	wpa_printf(MSG_DEBUG, "EAP-TNC: Send fragment ack");
+
+	return msg;
+}
+
+
+static struct wpabuf * eap_tnc_build_msg(struct eap_tnc_data *data, u8 id)
+{
+	struct wpabuf *req;
+	u8 flags;
+	size_t send_len, plen;
+
+	wpa_printf(MSG_DEBUG, "EAP-TNC: Generating Request");
+
+	flags = EAP_TNC_VERSION;
+	send_len = wpabuf_len(data->out_buf) - data->out_used;
+	if (1 + send_len > data->fragment_size) {
+		send_len = data->fragment_size - 1;
+		flags |= EAP_TNC_FLAGS_MORE_FRAGMENTS;
+		if (data->out_used == 0) {
+			flags |= EAP_TNC_FLAGS_LENGTH_INCLUDED;
+			send_len -= 4;
+		}
+	}
+
+	plen = 1 + send_len;
+	if (flags & EAP_TNC_FLAGS_LENGTH_INCLUDED)
+		plen += 4;
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_TNC, plen,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL)
+		return NULL;
+
+	wpabuf_put_u8(req, flags); /* Flags */
+	if (flags & EAP_TNC_FLAGS_LENGTH_INCLUDED)
+		wpabuf_put_be32(req, wpabuf_len(data->out_buf));
+
+	wpabuf_put_data(req, wpabuf_head_u8(data->out_buf) + data->out_used,
+			send_len);
+	data->out_used += send_len;
+
+	if (data->out_used == wpabuf_len(data->out_buf)) {
+		wpa_printf(MSG_DEBUG, "EAP-TNC: Sending out %lu bytes "
+			   "(message sent completely)",
+			   (unsigned long) send_len);
+		wpabuf_free(data->out_buf);
+		data->out_buf = NULL;
+		data->out_used = 0;
+		if (data->was_fail)
+			eap_tnc_set_state(data, FAIL);
+		else if (data->was_done)
+			eap_tnc_set_state(data, DONE);
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-TNC: Sending out %lu bytes "
+			   "(%lu more to send)", (unsigned long) send_len,
+			   (unsigned long) wpabuf_len(data->out_buf) -
+			   data->out_used);
+		if (data->state == FAIL)
+			data->was_fail = 1;
+		else if (data->state == DONE)
+			data->was_done = 1;
+		eap_tnc_set_state(data, WAIT_FRAG_ACK);
+	}
+
+	return req;
+}
+
+
+static struct wpabuf * eap_tnc_buildReq(struct eap_sm *sm, void *priv, u8 id)
+{
+	struct eap_tnc_data *data = priv;
+
+	switch (data->state) {
+	case START:
+		tncs_init_connection(data->tncs);
+		return eap_tnc_build_start(sm, data, id);
+	case CONTINUE:
+		if (data->out_buf == NULL) {
+			data->out_buf = eap_tnc_build(sm, data);
+			if (data->out_buf == NULL) {
+				wpa_printf(MSG_DEBUG, "EAP-TNC: Failed to "
+					   "generate message");
+				return NULL;
+			}
+			data->out_used = 0;
+		}
+		return eap_tnc_build_msg(data, id);
+	case RECOMMENDATION:
+		if (data->out_buf == NULL) {
+			data->out_buf = eap_tnc_build_recommendation(sm, data);
+			if (data->out_buf == NULL) {
+				wpa_printf(MSG_DEBUG, "EAP-TNC: Failed to "
+					   "generate recommendation message");
+				return NULL;
+			}
+			data->out_used = 0;
+		}
+		return eap_tnc_build_msg(data, id);
+	case WAIT_FRAG_ACK:
+		return eap_tnc_build_msg(data, id);
+	case FRAG_ACK:
+		return eap_tnc_build_frag_ack(id, EAP_CODE_REQUEST);
+	case DONE:
+	case FAIL:
+		return NULL;
+	}
+
+	return NULL;
+}
+
+
+static Boolean eap_tnc_check(struct eap_sm *sm, void *priv,
+			     struct wpabuf *respData)
+{
+	struct eap_tnc_data *data = priv;
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_TNC, respData,
+			       &len);
+	if (pos == NULL) {
+		wpa_printf(MSG_INFO, "EAP-TNC: Invalid frame");
+		return TRUE;
+	}
+
+	if (len == 0 && data->state != WAIT_FRAG_ACK) {
+		wpa_printf(MSG_INFO, "EAP-TNC: Invalid frame (empty)");
+		return TRUE;
+	}
+
+	if (len == 0)
+		return FALSE; /* Fragment ACK does not include flags */
+
+	if ((*pos & EAP_TNC_VERSION_MASK) != EAP_TNC_VERSION) {
+		wpa_printf(MSG_DEBUG, "EAP-TNC: Unsupported version %d",
+			   *pos & EAP_TNC_VERSION_MASK);
+		return TRUE;
+	}
+
+	if (*pos & EAP_TNC_FLAGS_START) {
+		wpa_printf(MSG_DEBUG, "EAP-TNC: Peer used Start flag");
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+static void tncs_process(struct eap_tnc_data *data, struct wpabuf *inbuf)
+{
+	enum tncs_process_res res;
+
+	res = tncs_process_if_tnccs(data->tncs, wpabuf_head(inbuf),
+				    wpabuf_len(inbuf));
+	switch (res) {
+	case TNCCS_RECOMMENDATION_ALLOW:
+		wpa_printf(MSG_DEBUG, "EAP-TNC: TNCS allowed access");
+		eap_tnc_set_state(data, RECOMMENDATION);
+		data->recommendation = ALLOW;
+		break;
+	case TNCCS_RECOMMENDATION_NO_RECOMMENDATION:
+		wpa_printf(MSG_DEBUG, "EAP-TNC: TNCS has no recommendation");
+		eap_tnc_set_state(data, RECOMMENDATION);
+		data->recommendation = NO_RECOMMENDATION;
+		break;
+	case TNCCS_RECOMMENDATION_ISOLATE:
+		wpa_printf(MSG_DEBUG, "EAP-TNC: TNCS requested isolation");
+		eap_tnc_set_state(data, RECOMMENDATION);
+		data->recommendation = ISOLATE;
+		break;
+	case TNCCS_RECOMMENDATION_NO_ACCESS:
+		wpa_printf(MSG_DEBUG, "EAP-TNC: TNCS rejected access");
+		eap_tnc_set_state(data, RECOMMENDATION);
+		data->recommendation = NO_ACCESS;
+		break;
+	case TNCCS_PROCESS_ERROR:
+		wpa_printf(MSG_DEBUG, "EAP-TNC: TNCS processing error");
+		eap_tnc_set_state(data, FAIL);
+		break;
+	default:
+		break;
+	}
+}
+
+
+static int eap_tnc_process_cont(struct eap_tnc_data *data,
+				const u8 *buf, size_t len)
+{
+	/* Process continuation of a pending message */
+	if (len > wpabuf_tailroom(data->in_buf)) {
+		wpa_printf(MSG_DEBUG, "EAP-TNC: Fragment overflow");
+		eap_tnc_set_state(data, FAIL);
+		return -1;
+	}
+
+	wpabuf_put_data(data->in_buf, buf, len);
+	wpa_printf(MSG_DEBUG, "EAP-TNC: Received %lu bytes, waiting for %lu "
+		   "bytes more", (unsigned long) len,
+		   (unsigned long) wpabuf_tailroom(data->in_buf));
+
+	return 0;
+}
+
+
+static int eap_tnc_process_fragment(struct eap_tnc_data *data,
+				    u8 flags, u32 message_length,
+				    const u8 *buf, size_t len)
+{
+	/* Process a fragment that is not the last one of the message */
+	if (data->in_buf == NULL && !(flags & EAP_TNC_FLAGS_LENGTH_INCLUDED)) {
+		wpa_printf(MSG_DEBUG, "EAP-TNC: No Message Length field in a "
+			   "fragmented packet");
+		return -1;
+	}
+
+	if (data->in_buf == NULL) {
+		/* First fragment of the message */
+		data->in_buf = wpabuf_alloc(message_length);
+		if (data->in_buf == NULL) {
+			wpa_printf(MSG_DEBUG, "EAP-TNC: No memory for "
+				   "message");
+			return -1;
+		}
+		wpabuf_put_data(data->in_buf, buf, len);
+		wpa_printf(MSG_DEBUG, "EAP-TNC: Received %lu bytes in first "
+			   "fragment, waiting for %lu bytes more",
+			   (unsigned long) len,
+			   (unsigned long) wpabuf_tailroom(data->in_buf));
+	}
+
+	return 0;
+}
+
+
+static void eap_tnc_process(struct eap_sm *sm, void *priv,
+			    struct wpabuf *respData)
+{
+	struct eap_tnc_data *data = priv;
+	const u8 *pos, *end;
+	size_t len;
+	u8 flags;
+	u32 message_length = 0;
+	struct wpabuf tmpbuf;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_TNC, respData, &len);
+	if (pos == NULL)
+		return; /* Should not happen; message already verified */
+
+	end = pos + len;
+
+	if (len == 1 && (data->state == DONE || data->state == FAIL)) {
+		wpa_printf(MSG_DEBUG, "EAP-TNC: Peer acknowledged the last "
+			   "message");
+		return;
+	}
+
+	if (len == 0) {
+		/* fragment ack */
+		flags = 0;
+	} else
+		flags = *pos++;
+
+	if (flags & EAP_TNC_FLAGS_LENGTH_INCLUDED) {
+		if (end - pos < 4) {
+			wpa_printf(MSG_DEBUG, "EAP-TNC: Message underflow");
+			eap_tnc_set_state(data, FAIL);
+			return;
+		}
+		message_length = WPA_GET_BE32(pos);
+		pos += 4;
+
+		if (message_length < (u32) (end - pos)) {
+			wpa_printf(MSG_DEBUG, "EAP-TNC: Invalid Message "
+				   "Length (%d; %ld remaining in this msg)",
+				   message_length, (long) (end - pos));
+			eap_tnc_set_state(data, FAIL);
+			return;
+		}
+	}
+	wpa_printf(MSG_DEBUG, "EAP-TNC: Received packet: Flags 0x%x "
+		   "Message Length %u", flags, message_length);
+
+	if (data->state == WAIT_FRAG_ACK) {
+		if (len > 1) {
+			wpa_printf(MSG_DEBUG, "EAP-TNC: Unexpected payload "
+				   "in WAIT_FRAG_ACK state");
+			eap_tnc_set_state(data, FAIL);
+			return;
+		}
+		wpa_printf(MSG_DEBUG, "EAP-TNC: Fragment acknowledged");
+		eap_tnc_set_state(data, CONTINUE);
+		return;
+	}
+
+	if (data->in_buf && eap_tnc_process_cont(data, pos, end - pos) < 0) {
+		eap_tnc_set_state(data, FAIL);
+		return;
+	}
+		
+	if (flags & EAP_TNC_FLAGS_MORE_FRAGMENTS) {
+		if (eap_tnc_process_fragment(data, flags, message_length,
+					     pos, end - pos) < 0)
+			eap_tnc_set_state(data, FAIL);
+		else
+			eap_tnc_set_state(data, FRAG_ACK);
+		return;
+	} else if (data->state == FRAG_ACK) {
+		wpa_printf(MSG_DEBUG, "EAP-TNC: All fragments received");
+		eap_tnc_set_state(data, CONTINUE);
+	}
+
+	if (data->in_buf == NULL) {
+		/* Wrap unfragmented messages as wpabuf without extra copy */
+		wpabuf_set(&tmpbuf, pos, end - pos);
+		data->in_buf = &tmpbuf;
+	}
+
+	wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-TNC: Received payload",
+			  wpabuf_head(data->in_buf), wpabuf_len(data->in_buf));
+	tncs_process(data, data->in_buf);
+
+	if (data->in_buf != &tmpbuf)
+		wpabuf_free(data->in_buf);
+	data->in_buf = NULL;
+}
+
+
+static Boolean eap_tnc_isDone(struct eap_sm *sm, void *priv)
+{
+	struct eap_tnc_data *data = priv;
+	return data->state == DONE || data->state == FAIL;
+}
+
+
+static Boolean eap_tnc_isSuccess(struct eap_sm *sm, void *priv)
+{
+	struct eap_tnc_data *data = priv;
+	return data->state == DONE;
+}
+
+
+int eap_server_tnc_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_IETF, EAP_TYPE_TNC, "TNC");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_tnc_init;
+	eap->reset = eap_tnc_reset;
+	eap->buildReq = eap_tnc_buildReq;
+	eap->check = eap_tnc_check;
+	eap->process = eap_tnc_process;
+	eap->isDone = eap_tnc_isDone;
+	eap->isSuccess = eap_tnc_isSuccess;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_server/eap_server_ttls.c b/src/eap_server/eap_server_ttls.c
new file mode 100644
index 0000000..702c50c
--- /dev/null
+++ b/src/eap_server/eap_server_ttls.c
@@ -0,0 +1,1430 @@
+/*
+ * hostapd / EAP-TTLS (RFC 5281)
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/ms_funcs.h"
+#include "crypto/sha1.h"
+#include "crypto/tls.h"
+#include "eap_server/eap_i.h"
+#include "eap_server/eap_tls_common.h"
+#include "eap_common/chap.h"
+#include "eap_common/eap_ttls.h"
+
+
+/* Maximum supported TTLS version
+ * 0 = RFC 5281
+ * 1 = draft-funk-eap-ttls-v1-00.txt
+ */
+#ifndef EAP_TTLS_VERSION
+#define EAP_TTLS_VERSION 0 /* TTLSv1 implementation is not yet complete */
+#endif /* EAP_TTLS_VERSION */
+
+
+#define MSCHAPV2_KEY_LEN 16
+
+
+static void eap_ttls_reset(struct eap_sm *sm, void *priv);
+
+
+struct eap_ttls_data {
+	struct eap_ssl_data ssl;
+	enum {
+		START, PHASE1, PHASE2_START, PHASE2_METHOD,
+		PHASE2_MSCHAPV2_RESP, PHASE_FINISHED, SUCCESS, FAILURE
+	} state;
+
+	int ttls_version;
+	int force_version;
+	const struct eap_method *phase2_method;
+	void *phase2_priv;
+	int mschapv2_resp_ok;
+	u8 mschapv2_auth_response[20];
+	u8 mschapv2_ident;
+	int tls_ia_configured;
+	struct wpabuf *pending_phase2_eap_resp;
+	int tnc_started;
+};
+
+
+static const char * eap_ttls_state_txt(int state)
+{
+	switch (state) {
+	case START:
+		return "START";
+	case PHASE1:
+		return "PHASE1";
+	case PHASE2_START:
+		return "PHASE2_START";
+	case PHASE2_METHOD:
+		return "PHASE2_METHOD";
+	case PHASE2_MSCHAPV2_RESP:
+		return "PHASE2_MSCHAPV2_RESP";
+	case PHASE_FINISHED:
+		return "PHASE_FINISHED";
+	case SUCCESS:
+		return "SUCCESS";
+	case FAILURE:
+		return "FAILURE";
+	default:
+		return "Unknown?!";
+	}
+}
+
+
+static void eap_ttls_state(struct eap_ttls_data *data, int state)
+{
+	wpa_printf(MSG_DEBUG, "EAP-TTLS: %s -> %s",
+		   eap_ttls_state_txt(data->state),
+		   eap_ttls_state_txt(state));
+	data->state = state;
+}
+
+
+static u8 * eap_ttls_avp_hdr(u8 *avphdr, u32 avp_code, u32 vendor_id,
+			     int mandatory, size_t len)
+{
+	struct ttls_avp_vendor *avp;
+	u8 flags;
+	size_t hdrlen;
+
+	avp = (struct ttls_avp_vendor *) avphdr;
+	flags = mandatory ? AVP_FLAGS_MANDATORY : 0;
+	if (vendor_id) {
+		flags |= AVP_FLAGS_VENDOR;
+		hdrlen = sizeof(*avp);
+		avp->vendor_id = host_to_be32(vendor_id);
+	} else {
+		hdrlen = sizeof(struct ttls_avp);
+	}
+
+	avp->avp_code = host_to_be32(avp_code);
+	avp->avp_length = host_to_be32((flags << 24) | (hdrlen + len));
+
+	return avphdr + hdrlen;
+}
+
+
+static struct wpabuf * eap_ttls_avp_encapsulate(struct wpabuf *resp,
+						u32 avp_code, int mandatory)
+{
+	struct wpabuf *avp;
+	u8 *pos;
+
+	avp = wpabuf_alloc(sizeof(struct ttls_avp) + wpabuf_len(resp) + 4);
+	if (avp == NULL) {
+		wpabuf_free(resp);
+		return NULL;
+	}
+
+	pos = eap_ttls_avp_hdr(wpabuf_mhead(avp), avp_code, 0, mandatory,
+			       wpabuf_len(resp));
+	os_memcpy(pos, wpabuf_head(resp), wpabuf_len(resp));
+	pos += wpabuf_len(resp);
+	AVP_PAD((const u8 *) wpabuf_head(avp), pos);
+	wpabuf_free(resp);
+	wpabuf_put(avp, pos - (u8 *) wpabuf_head(avp));
+	return avp;
+}
+
+
+struct eap_ttls_avp {
+	 /* Note: eap is allocated memory; caller is responsible for freeing
+	  * it. All the other pointers are pointing to the packet data, i.e.,
+	  * they must not be freed separately. */
+	u8 *eap;
+	size_t eap_len;
+	u8 *user_name;
+	size_t user_name_len;
+	u8 *user_password;
+	size_t user_password_len;
+	u8 *chap_challenge;
+	size_t chap_challenge_len;
+	u8 *chap_password;
+	size_t chap_password_len;
+	u8 *mschap_challenge;
+	size_t mschap_challenge_len;
+	u8 *mschap_response;
+	size_t mschap_response_len;
+	u8 *mschap2_response;
+	size_t mschap2_response_len;
+};
+
+
+static int eap_ttls_avp_parse(struct wpabuf *buf, struct eap_ttls_avp *parse)
+{
+	struct ttls_avp *avp;
+	u8 *pos;
+	int left;
+
+	pos = wpabuf_mhead(buf);
+	left = wpabuf_len(buf);
+	os_memset(parse, 0, sizeof(*parse));
+
+	while (left > 0) {
+		u32 avp_code, avp_length, vendor_id = 0;
+		u8 avp_flags, *dpos;
+		size_t pad, dlen;
+		avp = (struct ttls_avp *) pos;
+		avp_code = be_to_host32(avp->avp_code);
+		avp_length = be_to_host32(avp->avp_length);
+		avp_flags = (avp_length >> 24) & 0xff;
+		avp_length &= 0xffffff;
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: AVP: code=%d flags=0x%02x "
+			   "length=%d", (int) avp_code, avp_flags,
+			   (int) avp_length);
+		if ((int) avp_length > left) {
+			wpa_printf(MSG_WARNING, "EAP-TTLS: AVP overflow "
+				   "(len=%d, left=%d) - dropped",
+				   (int) avp_length, left);
+			goto fail;
+		}
+		if (avp_length < sizeof(*avp)) {
+			wpa_printf(MSG_WARNING, "EAP-TTLS: Invalid AVP length "
+				   "%d", avp_length);
+			goto fail;
+		}
+		dpos = (u8 *) (avp + 1);
+		dlen = avp_length - sizeof(*avp);
+		if (avp_flags & AVP_FLAGS_VENDOR) {
+			if (dlen < 4) {
+				wpa_printf(MSG_WARNING, "EAP-TTLS: vendor AVP "
+					   "underflow");
+				goto fail;
+			}
+			vendor_id = be_to_host32(* (be32 *) dpos);
+			wpa_printf(MSG_DEBUG, "EAP-TTLS: AVP vendor_id %d",
+				   (int) vendor_id);
+			dpos += 4;
+			dlen -= 4;
+		}
+
+		wpa_hexdump(MSG_DEBUG, "EAP-TTLS: AVP data", dpos, dlen);
+
+		if (vendor_id == 0 && avp_code == RADIUS_ATTR_EAP_MESSAGE) {
+			wpa_printf(MSG_DEBUG, "EAP-TTLS: AVP - EAP Message");
+			if (parse->eap == NULL) {
+				parse->eap = os_malloc(dlen);
+				if (parse->eap == NULL) {
+					wpa_printf(MSG_WARNING, "EAP-TTLS: "
+						   "failed to allocate memory "
+						   "for Phase 2 EAP data");
+					goto fail;
+				}
+				os_memcpy(parse->eap, dpos, dlen);
+				parse->eap_len = dlen;
+			} else {
+				u8 *neweap = os_realloc(parse->eap,
+							parse->eap_len + dlen);
+				if (neweap == NULL) {
+					wpa_printf(MSG_WARNING, "EAP-TTLS: "
+						   "failed to allocate memory "
+						   "for Phase 2 EAP data");
+					goto fail;
+				}
+				os_memcpy(neweap + parse->eap_len, dpos, dlen);
+				parse->eap = neweap;
+				parse->eap_len += dlen;
+			}
+		} else if (vendor_id == 0 &&
+			   avp_code == RADIUS_ATTR_USER_NAME) {
+			wpa_hexdump_ascii(MSG_DEBUG, "EAP-TTLS: User-Name",
+					  dpos, dlen);
+			parse->user_name = dpos;
+			parse->user_name_len = dlen;
+		} else if (vendor_id == 0 &&
+			   avp_code == RADIUS_ATTR_USER_PASSWORD) {
+			u8 *password = dpos;
+			size_t password_len = dlen;
+			while (password_len > 0 &&
+			       password[password_len - 1] == '\0') {
+				password_len--;
+			}
+			wpa_hexdump_ascii_key(MSG_DEBUG, "EAP-TTLS: "
+					      "User-Password (PAP)",
+					      password, password_len);
+			parse->user_password = password;
+			parse->user_password_len = password_len;
+		} else if (vendor_id == 0 &&
+			   avp_code == RADIUS_ATTR_CHAP_CHALLENGE) {
+			wpa_hexdump(MSG_DEBUG,
+				    "EAP-TTLS: CHAP-Challenge (CHAP)",
+				    dpos, dlen);
+			parse->chap_challenge = dpos;
+			parse->chap_challenge_len = dlen;
+		} else if (vendor_id == 0 &&
+			   avp_code == RADIUS_ATTR_CHAP_PASSWORD) {
+			wpa_hexdump(MSG_DEBUG,
+				    "EAP-TTLS: CHAP-Password (CHAP)",
+				    dpos, dlen);
+			parse->chap_password = dpos;
+			parse->chap_password_len = dlen;
+		} else if (vendor_id == RADIUS_VENDOR_ID_MICROSOFT &&
+			   avp_code == RADIUS_ATTR_MS_CHAP_CHALLENGE) {
+			wpa_hexdump(MSG_DEBUG,
+				    "EAP-TTLS: MS-CHAP-Challenge",
+				    dpos, dlen);
+			parse->mschap_challenge = dpos;
+			parse->mschap_challenge_len = dlen;
+		} else if (vendor_id == RADIUS_VENDOR_ID_MICROSOFT &&
+			   avp_code == RADIUS_ATTR_MS_CHAP_RESPONSE) {
+			wpa_hexdump(MSG_DEBUG,
+				    "EAP-TTLS: MS-CHAP-Response (MSCHAP)",
+				    dpos, dlen);
+			parse->mschap_response = dpos;
+			parse->mschap_response_len = dlen;
+		} else if (vendor_id == RADIUS_VENDOR_ID_MICROSOFT &&
+			   avp_code == RADIUS_ATTR_MS_CHAP2_RESPONSE) {
+			wpa_hexdump(MSG_DEBUG,
+				    "EAP-TTLS: MS-CHAP2-Response (MSCHAPV2)",
+				    dpos, dlen);
+			parse->mschap2_response = dpos;
+			parse->mschap2_response_len = dlen;
+		} else if (avp_flags & AVP_FLAGS_MANDATORY) {
+			wpa_printf(MSG_WARNING, "EAP-TTLS: Unsupported "
+				   "mandatory AVP code %d vendor_id %d - "
+				   "dropped", (int) avp_code, (int) vendor_id);
+			goto fail;
+		} else {
+			wpa_printf(MSG_DEBUG, "EAP-TTLS: Ignoring unsupported "
+				   "AVP code %d vendor_id %d",
+				   (int) avp_code, (int) vendor_id);
+		}
+
+		pad = (4 - (avp_length & 3)) & 3;
+		pos += avp_length + pad;
+		left -= avp_length + pad;
+	}
+
+	return 0;
+
+fail:
+	os_free(parse->eap);
+	parse->eap = NULL;
+	return -1;
+}
+
+
+static u8 * eap_ttls_implicit_challenge(struct eap_sm *sm,
+					struct eap_ttls_data *data, size_t len)
+{
+	struct tls_keys keys;
+	u8 *challenge, *rnd;
+
+	if (data->ttls_version == 0) {
+		return eap_server_tls_derive_key(sm, &data->ssl,
+						 "ttls challenge", len);
+	}
+
+	os_memset(&keys, 0, sizeof(keys));
+	if (tls_connection_get_keys(sm->ssl_ctx, data->ssl.conn, &keys) ||
+	    keys.client_random == NULL || keys.server_random == NULL ||
+	    keys.inner_secret == NULL) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: Could not get inner secret, "
+			   "client random, or server random to derive "
+			   "implicit challenge");
+		return NULL;
+	}
+
+	rnd = os_malloc(keys.client_random_len + keys.server_random_len);
+	challenge = os_malloc(len);
+	if (rnd == NULL || challenge == NULL) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: No memory for implicit "
+			   "challenge derivation");
+		os_free(rnd);
+		os_free(challenge);
+		return NULL;
+	}
+	os_memcpy(rnd, keys.server_random, keys.server_random_len);
+	os_memcpy(rnd + keys.server_random_len, keys.client_random,
+		  keys.client_random_len);
+
+	if (tls_prf(keys.inner_secret, keys.inner_secret_len,
+		    "inner application challenge", rnd,
+		    keys.client_random_len + keys.server_random_len,
+		    challenge, len)) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: Failed to derive implicit "
+			   "challenge");
+		os_free(rnd);
+		os_free(challenge);
+		return NULL;
+	}
+
+	os_free(rnd);
+
+	wpa_hexdump_key(MSG_DEBUG, "EAP-TTLS: Derived implicit challenge",
+			challenge, len);
+
+	return challenge;
+}
+
+
+static void * eap_ttls_init(struct eap_sm *sm)
+{
+	struct eap_ttls_data *data;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->ttls_version = EAP_TTLS_VERSION;
+	data->force_version = -1;
+	if (sm->user && sm->user->force_version >= 0) {
+		data->force_version = sm->user->force_version;
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: forcing version %d",
+			   data->force_version);
+		data->ttls_version = data->force_version;
+	}
+	data->state = START;
+
+	if (!(tls_capabilities(sm->ssl_ctx) & TLS_CAPABILITY_IA) &&
+	    data->ttls_version > 0) {
+		if (data->force_version > 0) {
+			wpa_printf(MSG_INFO, "EAP-TTLS: Forced TTLSv%d and "
+				   "TLS library does not support TLS/IA.",
+				   data->force_version);
+			eap_ttls_reset(sm, data);
+			return NULL;
+		}
+		data->ttls_version = 0;
+	}
+
+	if (eap_server_tls_ssl_init(sm, &data->ssl, 0)) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: Failed to initialize SSL.");
+		eap_ttls_reset(sm, data);
+		return NULL;
+	}
+
+	return data;
+}
+
+
+static void eap_ttls_reset(struct eap_sm *sm, void *priv)
+{
+	struct eap_ttls_data *data = priv;
+	if (data == NULL)
+		return;
+	if (data->phase2_priv && data->phase2_method)
+		data->phase2_method->reset(sm, data->phase2_priv);
+	eap_server_tls_ssl_deinit(sm, &data->ssl);
+	wpabuf_free(data->pending_phase2_eap_resp);
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_ttls_build_start(struct eap_sm *sm,
+					    struct eap_ttls_data *data, u8 id)
+{	
+	struct wpabuf *req;
+
+	req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_TTLS, 1,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-TTLS: Failed to allocate memory for"
+			   " request");
+		eap_ttls_state(data, FAILURE);
+		return NULL;
+	}
+
+	wpabuf_put_u8(req, EAP_TLS_FLAGS_START | data->ttls_version);
+
+	eap_ttls_state(data, PHASE1);
+
+	return req;
+}
+
+
+static struct wpabuf * eap_ttls_build_phase2_eap_req(
+	struct eap_sm *sm, struct eap_ttls_data *data, u8 id)
+{
+	struct wpabuf *buf, *encr_req;
+
+
+	buf = data->phase2_method->buildReq(sm, data->phase2_priv, id);
+	if (buf == NULL)
+		return NULL;
+
+	wpa_hexdump_buf_key(MSG_DEBUG,
+			    "EAP-TTLS/EAP: Encapsulate Phase 2 data", buf);
+
+	buf = eap_ttls_avp_encapsulate(buf, RADIUS_ATTR_EAP_MESSAGE, 1);
+	if (buf == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/EAP: Failed to encapsulate "
+			   "packet");
+		return NULL;
+	}
+
+	wpa_hexdump_buf_key(MSG_DEBUG, "EAP-TTLS/EAP: Encrypt encapsulated "
+			    "Phase 2 data", buf);
+
+	encr_req = eap_server_tls_encrypt(sm, &data->ssl, buf);
+	wpabuf_free(buf);
+
+	return encr_req;
+}
+
+
+static struct wpabuf * eap_ttls_build_phase2_mschapv2(
+	struct eap_sm *sm, struct eap_ttls_data *data)
+{
+	struct wpabuf *encr_req, msgbuf;
+	u8 *req, *pos, *end;
+	int ret;
+
+	pos = req = os_malloc(100);
+	if (req == NULL)
+		return NULL;
+	end = req + 100;
+
+	if (data->mschapv2_resp_ok) {
+		pos = eap_ttls_avp_hdr(pos, RADIUS_ATTR_MS_CHAP2_SUCCESS,
+				       RADIUS_VENDOR_ID_MICROSOFT, 1, 43);
+		*pos++ = data->mschapv2_ident;
+		ret = os_snprintf((char *) pos, end - pos, "S=");
+		if (ret >= 0 && ret < end - pos)
+			pos += ret;
+		pos += wpa_snprintf_hex_uppercase(
+			(char *) pos, end - pos, data->mschapv2_auth_response,
+			sizeof(data->mschapv2_auth_response));
+	} else {
+		pos = eap_ttls_avp_hdr(pos, RADIUS_ATTR_MS_CHAP_ERROR,
+				       RADIUS_VENDOR_ID_MICROSOFT, 1, 6);
+		os_memcpy(pos, "Failed", 6);
+		pos += 6;
+		AVP_PAD(req, pos);
+	}
+
+	wpabuf_set(&msgbuf, req, pos - req);
+	wpa_hexdump_buf_key(MSG_DEBUG, "EAP-TTLS/MSCHAPV2: Encrypting Phase 2 "
+			    "data", &msgbuf);
+
+	encr_req = eap_server_tls_encrypt(sm, &data->ssl, &msgbuf);
+	os_free(req);
+
+	return encr_req;
+}
+
+
+static struct wpabuf * eap_ttls_build_phase_finished(
+	struct eap_sm *sm, struct eap_ttls_data *data, int final)
+{
+	return tls_connection_ia_send_phase_finished(sm->ssl_ctx,
+						     data->ssl.conn, final);
+}
+
+
+static struct wpabuf * eap_ttls_buildReq(struct eap_sm *sm, void *priv, u8 id)
+{
+	struct eap_ttls_data *data = priv;
+
+	if (data->ssl.state == FRAG_ACK) {
+		return eap_server_tls_build_ack(id, EAP_TYPE_TTLS,
+						data->ttls_version);
+	}
+
+	if (data->ssl.state == WAIT_FRAG_ACK) {
+		return eap_server_tls_build_msg(&data->ssl, EAP_TYPE_TTLS,
+						data->ttls_version, id);
+	}
+
+	switch (data->state) {
+	case START:
+		return eap_ttls_build_start(sm, data, id);
+	case PHASE1:
+		if (tls_connection_established(sm->ssl_ctx, data->ssl.conn)) {
+			wpa_printf(MSG_DEBUG, "EAP-TTLS: Phase1 done, "
+				   "starting Phase2");
+			eap_ttls_state(data, PHASE2_START);
+		}
+		break;
+	case PHASE2_METHOD:
+		wpabuf_free(data->ssl.tls_out);
+		data->ssl.tls_out_pos = 0;
+		data->ssl.tls_out = eap_ttls_build_phase2_eap_req(sm, data,
+								  id);
+		break;
+	case PHASE2_MSCHAPV2_RESP:
+		wpabuf_free(data->ssl.tls_out);
+		data->ssl.tls_out_pos = 0;
+		data->ssl.tls_out = eap_ttls_build_phase2_mschapv2(sm, data);
+		break;
+	case PHASE_FINISHED:
+		wpabuf_free(data->ssl.tls_out);
+		data->ssl.tls_out_pos = 0;
+		data->ssl.tls_out = eap_ttls_build_phase_finished(sm, data, 1);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: %s - unexpected state %d",
+			   __func__, data->state);
+		return NULL;
+	}
+
+	return eap_server_tls_build_msg(&data->ssl, EAP_TYPE_TTLS,
+					data->ttls_version, id);
+}
+
+
+static Boolean eap_ttls_check(struct eap_sm *sm, void *priv,
+			      struct wpabuf *respData)
+{
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_TTLS, respData, &len);
+	if (pos == NULL || len < 1) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: Invalid frame");
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+static int eap_ttls_ia_permute_inner_secret(struct eap_sm *sm,
+					    struct eap_ttls_data *data,
+					    const u8 *key, size_t key_len)
+{
+	u8 *buf;
+	size_t buf_len;
+	int ret;
+
+	if (key) {
+		buf_len = 2 + key_len;
+		buf = os_malloc(buf_len);
+		if (buf == NULL)
+			return -1;
+		WPA_PUT_BE16(buf, key_len);
+		os_memcpy(buf + 2, key, key_len);
+	} else {
+		buf = NULL;
+		buf_len = 0;
+	}
+
+	wpa_hexdump_key(MSG_DEBUG, "EAP-TTLS: Session keys for TLS/IA inner "
+			"secret permutation", buf, buf_len);
+	ret = tls_connection_ia_permute_inner_secret(sm->ssl_ctx,
+						     data->ssl.conn,
+						     buf, buf_len);
+	os_free(buf);
+
+	return ret;
+}
+
+
+static void eap_ttls_process_phase2_pap(struct eap_sm *sm,
+					struct eap_ttls_data *data,
+					const u8 *user_password,
+					size_t user_password_len)
+{
+	if (!sm->user || !sm->user->password || sm->user->password_hash ||
+	    !(sm->user->ttls_auth & EAP_TTLS_AUTH_PAP)) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/PAP: No plaintext user "
+			   "password configured");
+		eap_ttls_state(data, FAILURE);
+		return;
+	}
+
+	if (sm->user->password_len != user_password_len ||
+	    os_memcmp(sm->user->password, user_password, user_password_len) !=
+	    0) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/PAP: Invalid user password");
+		eap_ttls_state(data, FAILURE);
+		return;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-TTLS/PAP: Correct user password");
+	eap_ttls_state(data, data->ttls_version > 0 ? PHASE_FINISHED :
+		       SUCCESS);
+}
+
+
+static void eap_ttls_process_phase2_chap(struct eap_sm *sm,
+					 struct eap_ttls_data *data,
+					 const u8 *challenge,
+					 size_t challenge_len,
+					 const u8 *password,
+					 size_t password_len)
+{
+	u8 *chal, hash[CHAP_MD5_LEN];
+
+	if (challenge == NULL || password == NULL ||
+	    challenge_len != EAP_TTLS_CHAP_CHALLENGE_LEN ||
+	    password_len != 1 + EAP_TTLS_CHAP_PASSWORD_LEN) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/CHAP: Invalid CHAP attributes "
+			   "(challenge len %lu password len %lu)",
+			   (unsigned long) challenge_len,
+			   (unsigned long) password_len);
+		eap_ttls_state(data, FAILURE);
+		return;
+	}
+
+	if (!sm->user || !sm->user->password || sm->user->password_hash ||
+	    !(sm->user->ttls_auth & EAP_TTLS_AUTH_CHAP)) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/CHAP: No plaintext user "
+			   "password configured");
+		eap_ttls_state(data, FAILURE);
+		return;
+	}
+
+	chal = eap_ttls_implicit_challenge(sm, data,
+					   EAP_TTLS_CHAP_CHALLENGE_LEN + 1);
+	if (chal == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/CHAP: Failed to generate "
+			   "challenge from TLS data");
+		eap_ttls_state(data, FAILURE);
+		return;
+	}
+
+	if (os_memcmp(challenge, chal, EAP_TTLS_CHAP_CHALLENGE_LEN) != 0 ||
+	    password[0] != chal[EAP_TTLS_CHAP_CHALLENGE_LEN]) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/CHAP: Challenge mismatch");
+		os_free(chal);
+		eap_ttls_state(data, FAILURE);
+		return;
+	}
+	os_free(chal);
+
+	/* MD5(Ident + Password + Challenge) */
+	chap_md5(password[0], sm->user->password, sm->user->password_len,
+		 challenge, challenge_len, hash);
+
+	if (os_memcmp(hash, password + 1, EAP_TTLS_CHAP_PASSWORD_LEN) == 0) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/CHAP: Correct user password");
+		eap_ttls_state(data, data->ttls_version > 0 ? PHASE_FINISHED :
+			       SUCCESS);
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/CHAP: Invalid user password");
+		eap_ttls_state(data, FAILURE);
+	}
+}
+
+
+static void eap_ttls_process_phase2_mschap(struct eap_sm *sm,
+					   struct eap_ttls_data *data,
+					   u8 *challenge, size_t challenge_len,
+					   u8 *response, size_t response_len)
+{
+	u8 *chal, nt_response[24];
+
+	if (challenge == NULL || response == NULL ||
+	    challenge_len != EAP_TTLS_MSCHAP_CHALLENGE_LEN ||
+	    response_len != EAP_TTLS_MSCHAP_RESPONSE_LEN) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAP: Invalid MS-CHAP "
+			   "attributes (challenge len %lu response len %lu)",
+			   (unsigned long) challenge_len,
+			   (unsigned long) response_len);
+		eap_ttls_state(data, FAILURE);
+		return;
+	}
+
+	if (!sm->user || !sm->user->password ||
+	    !(sm->user->ttls_auth & EAP_TTLS_AUTH_MSCHAP)) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAP: No user password "
+			   "configured");
+		eap_ttls_state(data, FAILURE);
+		return;
+	}
+
+	chal = eap_ttls_implicit_challenge(sm, data,
+					   EAP_TTLS_MSCHAP_CHALLENGE_LEN + 1);
+	if (chal == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAP: Failed to generate "
+			   "challenge from TLS data");
+		eap_ttls_state(data, FAILURE);
+		return;
+	}
+
+	if (os_memcmp(challenge, chal, EAP_TTLS_MSCHAP_CHALLENGE_LEN) != 0 ||
+	    response[0] != chal[EAP_TTLS_MSCHAP_CHALLENGE_LEN]) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAP: Challenge mismatch");
+		os_free(chal);
+		eap_ttls_state(data, FAILURE);
+		return;
+	}
+	os_free(chal);
+
+	if (sm->user->password_hash)
+		challenge_response(challenge, sm->user->password, nt_response);
+	else
+		nt_challenge_response(challenge, sm->user->password,
+				      sm->user->password_len, nt_response);
+
+	if (os_memcmp(nt_response, response + 2 + 24, 24) == 0) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAP: Correct response");
+		eap_ttls_state(data, data->ttls_version > 0 ? PHASE_FINISHED :
+			       SUCCESS);
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAP: Invalid NT-Response");
+		wpa_hexdump(MSG_MSGDUMP, "EAP-TTLS/MSCHAP: Received",
+			    response + 2 + 24, 24);
+		wpa_hexdump(MSG_MSGDUMP, "EAP-TTLS/MSCHAP: Expected",
+			    nt_response, 24);
+		eap_ttls_state(data, FAILURE);
+	}
+}
+
+
+static void eap_ttls_process_phase2_mschapv2(struct eap_sm *sm,
+					     struct eap_ttls_data *data,
+					     u8 *challenge,
+					     size_t challenge_len,
+					     u8 *response, size_t response_len)
+{
+	u8 *chal, *username, nt_response[24], *rx_resp, *peer_challenge,
+		*auth_challenge;
+	size_t username_len, i;
+
+	if (challenge == NULL || response == NULL ||
+	    challenge_len != EAP_TTLS_MSCHAPV2_CHALLENGE_LEN ||
+	    response_len != EAP_TTLS_MSCHAPV2_RESPONSE_LEN) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAPV2: Invalid MS-CHAP2 "
+			   "attributes (challenge len %lu response len %lu)",
+			   (unsigned long) challenge_len,
+			   (unsigned long) response_len);
+		eap_ttls_state(data, FAILURE);
+		return;
+	}
+
+	if (!sm->user || !sm->user->password ||
+	    !(sm->user->ttls_auth & EAP_TTLS_AUTH_MSCHAPV2)) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAPV2: No user password "
+			   "configured");
+		eap_ttls_state(data, FAILURE);
+		return;
+	}
+
+	/* MSCHAPv2 does not include optional domain name in the
+	 * challenge-response calculation, so remove domain prefix
+	 * (if present). */
+	username = sm->identity;
+	username_len = sm->identity_len;
+	for (i = 0; i < username_len; i++) {
+		if (username[i] == '\\') {
+			username_len -= i + 1;
+			username += i + 1;
+			break;
+		}
+	}
+
+	chal = eap_ttls_implicit_challenge(
+		sm, data, EAP_TTLS_MSCHAPV2_CHALLENGE_LEN + 1);
+	if (chal == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAPV2: Failed to generate "
+			   "challenge from TLS data");
+		eap_ttls_state(data, FAILURE);
+		return;
+	}
+
+	if (os_memcmp(challenge, chal, EAP_TTLS_MSCHAPV2_CHALLENGE_LEN) != 0 ||
+	    response[0] != chal[EAP_TTLS_MSCHAPV2_CHALLENGE_LEN]) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAPV2: Challenge mismatch");
+		os_free(chal);
+		eap_ttls_state(data, FAILURE);
+		return;
+	}
+	os_free(chal);
+
+	auth_challenge = challenge;
+	peer_challenge = response + 2;
+
+	wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-TTLS/MSCHAPV2: User",
+			  username, username_len);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-TTLS/MSCHAPV2: auth_challenge",
+		    auth_challenge, EAP_TTLS_MSCHAPV2_CHALLENGE_LEN);
+	wpa_hexdump(MSG_MSGDUMP, "EAP-TTLS/MSCHAPV2: peer_challenge",
+		    peer_challenge, EAP_TTLS_MSCHAPV2_CHALLENGE_LEN);
+
+	if (sm->user->password_hash) {
+		generate_nt_response_pwhash(auth_challenge, peer_challenge,
+					    username, username_len,
+					    sm->user->password,
+					    nt_response);
+	} else {
+		generate_nt_response(auth_challenge, peer_challenge,
+				     username, username_len,
+				     sm->user->password,
+				     sm->user->password_len,
+				     nt_response);
+	}
+
+	rx_resp = response + 2 + EAP_TTLS_MSCHAPV2_CHALLENGE_LEN + 8;
+	if (os_memcmp(nt_response, rx_resp, 24) == 0) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAPV2: Correct "
+			   "NT-Response");
+		data->mschapv2_resp_ok = 1;
+		if (data->ttls_version > 0) {
+			const u8 *pw_hash;
+			u8 pw_hash_buf[16], pw_hash_hash[16], master_key[16];
+			u8 session_key[2 * MSCHAPV2_KEY_LEN];
+
+			if (sm->user->password_hash)
+				pw_hash = sm->user->password;
+			else {
+				nt_password_hash(sm->user->password,
+						 sm->user->password_len,
+						 pw_hash_buf);
+				pw_hash = pw_hash_buf;
+			}
+			hash_nt_password_hash(pw_hash, pw_hash_hash);
+			get_master_key(pw_hash_hash, nt_response, master_key);
+			get_asymetric_start_key(master_key, session_key,
+						MSCHAPV2_KEY_LEN, 0, 0);
+			get_asymetric_start_key(master_key,
+						session_key + MSCHAPV2_KEY_LEN,
+						MSCHAPV2_KEY_LEN, 1, 0);
+			eap_ttls_ia_permute_inner_secret(sm, data,
+							 session_key,
+							 sizeof(session_key));
+		}
+
+		if (sm->user->password_hash) {
+			generate_authenticator_response_pwhash(
+				sm->user->password,
+				peer_challenge, auth_challenge,
+				username, username_len, nt_response,
+				data->mschapv2_auth_response);
+		} else {
+			generate_authenticator_response(
+				sm->user->password, sm->user->password_len,
+				peer_challenge, auth_challenge,
+				username, username_len, nt_response,
+				data->mschapv2_auth_response);
+		}
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAPV2: Invalid "
+			   "NT-Response");
+		wpa_hexdump(MSG_MSGDUMP, "EAP-TTLS/MSCHAPV2: Received",
+			    rx_resp, 24);
+		wpa_hexdump(MSG_MSGDUMP, "EAP-TTLS/MSCHAPV2: Expected",
+			    nt_response, 24);
+		data->mschapv2_resp_ok = 0;
+	}
+	eap_ttls_state(data, PHASE2_MSCHAPV2_RESP);
+	data->mschapv2_ident = response[0];
+}
+
+
+static int eap_ttls_phase2_eap_init(struct eap_sm *sm,
+				    struct eap_ttls_data *data,
+				    EapType eap_type)
+{
+	if (data->phase2_priv && data->phase2_method) {
+		data->phase2_method->reset(sm, data->phase2_priv);
+		data->phase2_method = NULL;
+		data->phase2_priv = NULL;
+	}
+	data->phase2_method = eap_server_get_eap_method(EAP_VENDOR_IETF,
+							eap_type);
+	if (!data->phase2_method)
+		return -1;
+
+	sm->init_phase2 = 1;
+	data->phase2_priv = data->phase2_method->init(sm);
+	sm->init_phase2 = 0;
+	return data->phase2_priv == NULL ? -1 : 0;
+}
+
+
+static void eap_ttls_process_phase2_eap_response(struct eap_sm *sm,
+						 struct eap_ttls_data *data,
+						 u8 *in_data, size_t in_len)
+{
+	u8 next_type = EAP_TYPE_NONE;
+	struct eap_hdr *hdr;
+	u8 *pos;
+	size_t left;
+	struct wpabuf buf;
+	const struct eap_method *m = data->phase2_method;
+	void *priv = data->phase2_priv;
+
+	if (priv == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/EAP: %s - Phase2 not "
+			   "initialized?!", __func__);
+		return;
+	}
+
+	hdr = (struct eap_hdr *) in_data;
+	pos = (u8 *) (hdr + 1);
+
+	if (in_len > sizeof(*hdr) && *pos == EAP_TYPE_NAK) {
+		left = in_len - sizeof(*hdr);
+		wpa_hexdump(MSG_DEBUG, "EAP-TTLS/EAP: Phase2 type Nak'ed; "
+			    "allowed types", pos + 1, left - 1);
+		eap_sm_process_nak(sm, pos + 1, left - 1);
+		if (sm->user && sm->user_eap_method_index < EAP_MAX_METHODS &&
+		    sm->user->methods[sm->user_eap_method_index].method !=
+		    EAP_TYPE_NONE) {
+			next_type = sm->user->methods[
+				sm->user_eap_method_index++].method;
+			wpa_printf(MSG_DEBUG, "EAP-TTLS: try EAP type %d",
+				   next_type);
+			if (eap_ttls_phase2_eap_init(sm, data, next_type)) {
+				wpa_printf(MSG_DEBUG, "EAP-TTLS: Failed to "
+					   "initialize EAP type %d",
+					   next_type);
+				eap_ttls_state(data, FAILURE);
+				return;
+			}
+		} else {
+			eap_ttls_state(data, FAILURE);
+		}
+		return;
+	}
+
+	wpabuf_set(&buf, in_data, in_len);
+
+	if (m->check(sm, priv, &buf)) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/EAP: Phase2 check() asked to "
+			   "ignore the packet");
+		return;
+	}
+
+	m->process(sm, priv, &buf);
+
+	if (sm->method_pending == METHOD_PENDING_WAIT) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/EAP: Phase2 method is in "
+			   "pending wait state - save decrypted response");
+		wpabuf_free(data->pending_phase2_eap_resp);
+		data->pending_phase2_eap_resp = wpabuf_dup(&buf);
+	}
+
+	if (!m->isDone(sm, priv))
+		return;
+
+	if (!m->isSuccess(sm, priv)) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/EAP: Phase2 method failed");
+		eap_ttls_state(data, FAILURE);
+		return;
+	}
+
+	switch (data->state) {
+	case PHASE2_START:
+		if (eap_user_get(sm, sm->identity, sm->identity_len, 1) != 0) {
+			wpa_hexdump_ascii(MSG_DEBUG, "EAP_TTLS: Phase2 "
+					  "Identity not found in the user "
+					  "database",
+					  sm->identity, sm->identity_len);
+			eap_ttls_state(data, FAILURE);
+			break;
+		}
+
+		eap_ttls_state(data, PHASE2_METHOD);
+		next_type = sm->user->methods[0].method;
+		sm->user_eap_method_index = 1;
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: try EAP type %d", next_type);
+		if (eap_ttls_phase2_eap_init(sm, data, next_type)) {
+			wpa_printf(MSG_DEBUG, "EAP-TTLS: Failed to initialize "
+				   "EAP type %d", next_type);
+			eap_ttls_state(data, FAILURE);
+		}
+		break;
+	case PHASE2_METHOD:
+		if (data->ttls_version > 0) {
+			if (m->getKey) {
+				u8 *key;
+				size_t key_len;
+				key = m->getKey(sm, priv, &key_len);
+				eap_ttls_ia_permute_inner_secret(sm, data,
+								 key, key_len);
+			}
+			eap_ttls_state(data, PHASE_FINISHED);
+		} else
+			eap_ttls_state(data, SUCCESS);
+		break;
+	case FAILURE:
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: %s - unexpected state %d",
+			   __func__, data->state);
+		break;
+	}
+}
+
+
+static void eap_ttls_process_phase2_eap(struct eap_sm *sm,
+					struct eap_ttls_data *data,
+					const u8 *eap, size_t eap_len)
+{
+	struct eap_hdr *hdr;
+	size_t len;
+
+	if (data->state == PHASE2_START) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/EAP: initializing Phase 2");
+		if (eap_ttls_phase2_eap_init(sm, data, EAP_TYPE_IDENTITY) < 0)
+		{
+			wpa_printf(MSG_DEBUG, "EAP-TTLS/EAP: failed to "
+				   "initialize EAP-Identity");
+			return;
+		}
+	}
+
+	if (eap_len < sizeof(*hdr)) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS/EAP: too short Phase 2 EAP "
+			   "packet (len=%lu)", (unsigned long) eap_len);
+		return;
+	}
+
+	hdr = (struct eap_hdr *) eap;
+	len = be_to_host16(hdr->length);
+	wpa_printf(MSG_DEBUG, "EAP-TTLS/EAP: received Phase 2 EAP: code=%d "
+		   "identifier=%d length=%lu", hdr->code, hdr->identifier,
+		   (unsigned long) len);
+	if (len > eap_len) {
+		wpa_printf(MSG_INFO, "EAP-TTLS/EAP: Length mismatch in Phase 2"
+			   " EAP frame (hdr len=%lu, data len in AVP=%lu)",
+			   (unsigned long) len, (unsigned long) eap_len);
+		return;
+	}
+
+	switch (hdr->code) {
+	case EAP_CODE_RESPONSE:
+		eap_ttls_process_phase2_eap_response(sm, data, (u8 *) hdr,
+						     len);
+		break;
+	default:
+		wpa_printf(MSG_INFO, "EAP-TTLS/EAP: Unexpected code=%d in "
+			   "Phase 2 EAP header", hdr->code);
+		break;
+	}
+}
+
+
+static void eap_ttls_process_phase2(struct eap_sm *sm,
+				    struct eap_ttls_data *data,
+				    struct wpabuf *in_buf)
+{
+	struct wpabuf *in_decrypted;
+	struct eap_ttls_avp parse;
+
+	wpa_printf(MSG_DEBUG, "EAP-TTLS: received %lu bytes encrypted data for"
+		   " Phase 2", (unsigned long) wpabuf_len(in_buf));
+
+	if (data->pending_phase2_eap_resp) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: Pending Phase 2 EAP response "
+			   "- skip decryption and use old data");
+		eap_ttls_process_phase2_eap(
+			sm, data, wpabuf_head(data->pending_phase2_eap_resp),
+			wpabuf_len(data->pending_phase2_eap_resp));
+		wpabuf_free(data->pending_phase2_eap_resp);
+		data->pending_phase2_eap_resp = NULL;
+		return;
+	}
+
+	in_decrypted = tls_connection_decrypt(sm->ssl_ctx, data->ssl.conn,
+					      in_buf);
+	if (in_decrypted == NULL) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: Failed to decrypt Phase 2 "
+			   "data");
+		eap_ttls_state(data, FAILURE);
+		return;
+	}
+
+	if (data->state == PHASE_FINISHED) {
+		if (wpabuf_len(in_decrypted) == 0 &&
+		    tls_connection_ia_final_phase_finished(sm->ssl_ctx,
+							   data->ssl.conn)) {
+			wpa_printf(MSG_DEBUG, "EAP-TTLS: FinalPhaseFinished "
+				   "received");
+			eap_ttls_state(data, SUCCESS);
+		} else {
+			wpa_printf(MSG_INFO, "EAP-TTLS: Did not receive valid "
+				   "FinalPhaseFinished");
+			eap_ttls_state(data, FAILURE);
+		}
+
+		wpabuf_free(in_decrypted);
+		return;
+	}
+
+	wpa_hexdump_buf_key(MSG_DEBUG, "EAP-TTLS: Decrypted Phase 2 EAP",
+			    in_decrypted);
+
+	if (eap_ttls_avp_parse(in_decrypted, &parse) < 0) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: Failed to parse AVPs");
+		wpabuf_free(in_decrypted);
+		eap_ttls_state(data, FAILURE);
+		return;
+	}
+
+	if (parse.user_name) {
+		os_free(sm->identity);
+		sm->identity = os_malloc(parse.user_name_len);
+		if (sm->identity) {
+			os_memcpy(sm->identity, parse.user_name,
+				  parse.user_name_len);
+			sm->identity_len = parse.user_name_len;
+		}
+		if (eap_user_get(sm, parse.user_name, parse.user_name_len, 1)
+		    != 0) {
+			wpa_printf(MSG_DEBUG, "EAP-TTLS: Phase2 Identity not "
+				   "found in the user database");
+			eap_ttls_state(data, FAILURE);
+			goto done;
+		}
+	}
+
+#ifdef EAP_SERVER_TNC
+	if (data->tnc_started && parse.eap == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: TNC started but no EAP "
+			   "response from peer");
+		eap_ttls_state(data, FAILURE);
+		goto done;
+	}
+#endif /* EAP_SERVER_TNC */
+
+	if (parse.eap) {
+		eap_ttls_process_phase2_eap(sm, data, parse.eap,
+					    parse.eap_len);
+	} else if (parse.user_password) {
+		eap_ttls_process_phase2_pap(sm, data, parse.user_password,
+					    parse.user_password_len);
+	} else if (parse.chap_password) {
+		eap_ttls_process_phase2_chap(sm, data,
+					     parse.chap_challenge,
+					     parse.chap_challenge_len,
+					     parse.chap_password,
+					     parse.chap_password_len);
+	} else if (parse.mschap_response) {
+		eap_ttls_process_phase2_mschap(sm, data,
+					       parse.mschap_challenge,
+					       parse.mschap_challenge_len,
+					       parse.mschap_response,
+					       parse.mschap_response_len);
+	} else if (parse.mschap2_response) {
+		eap_ttls_process_phase2_mschapv2(sm, data,
+						 parse.mschap_challenge,
+						 parse.mschap_challenge_len,
+						 parse.mschap2_response,
+						 parse.mschap2_response_len);
+	}
+
+done:
+	wpabuf_free(in_decrypted);
+	os_free(parse.eap);
+}
+
+
+static void eap_ttls_start_tnc(struct eap_sm *sm, struct eap_ttls_data *data)
+{
+#ifdef EAP_SERVER_TNC
+	if (!sm->tnc || data->state != SUCCESS || data->tnc_started)
+		return;
+
+	wpa_printf(MSG_DEBUG, "EAP-TTLS: Initialize TNC");
+	if (eap_ttls_phase2_eap_init(sm, data, EAP_TYPE_TNC)) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: Failed to initialize TNC");
+		eap_ttls_state(data, FAILURE);
+		return;
+	}
+
+	data->tnc_started = 1;
+	eap_ttls_state(data, PHASE2_METHOD);
+#endif /* EAP_SERVER_TNC */
+}
+
+
+static int eap_ttls_process_version(struct eap_sm *sm, void *priv,
+				    int peer_version)
+{
+	struct eap_ttls_data *data = priv;
+	if (peer_version < data->ttls_version) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: peer ver=%d, own ver=%d; "
+			   "use version %d",
+			   peer_version, data->ttls_version, peer_version);
+		data->ttls_version = peer_version;
+	}
+
+	if (data->ttls_version > 0 && !data->tls_ia_configured) {
+		if (tls_connection_set_ia(sm->ssl_ctx, data->ssl.conn, 1)) {
+			wpa_printf(MSG_INFO, "EAP-TTLS: Failed to enable "
+				   "TLS/IA");
+			return -1;
+		}
+		data->tls_ia_configured = 1;
+	}
+
+	return 0;
+}
+
+
+static void eap_ttls_process_msg(struct eap_sm *sm, void *priv,
+				 const struct wpabuf *respData)
+{
+	struct eap_ttls_data *data = priv;
+
+	switch (data->state) {
+	case PHASE1:
+		if (eap_server_tls_phase1(sm, &data->ssl) < 0)
+			eap_ttls_state(data, FAILURE);
+		break;
+	case PHASE2_START:
+	case PHASE2_METHOD:
+	case PHASE_FINISHED:
+		eap_ttls_process_phase2(sm, data, data->ssl.tls_in);
+		eap_ttls_start_tnc(sm, data);
+		break;
+	case PHASE2_MSCHAPV2_RESP:
+		if (data->mschapv2_resp_ok && wpabuf_len(data->ssl.tls_in) ==
+		    0) {
+			wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAPV2: Peer "
+				   "acknowledged response");
+			eap_ttls_state(data, data->ttls_version > 0 ?
+				       PHASE_FINISHED : SUCCESS);
+		} else if (!data->mschapv2_resp_ok) {
+			wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAPV2: Peer "
+				   "acknowledged error");
+			eap_ttls_state(data, FAILURE);
+		} else {
+			wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAPV2: Unexpected "
+				   "frame from peer (payload len %lu, "
+				   "expected empty frame)",
+				   (unsigned long)
+				   wpabuf_len(data->ssl.tls_in));
+			eap_ttls_state(data, FAILURE);
+		}
+		eap_ttls_start_tnc(sm, data);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: Unexpected state %d in %s",
+			   data->state, __func__);
+		break;
+	}
+}
+
+
+static void eap_ttls_process(struct eap_sm *sm, void *priv,
+			     struct wpabuf *respData)
+{
+	struct eap_ttls_data *data = priv;
+	if (eap_server_tls_process(sm, &data->ssl, respData, data,
+				   EAP_TYPE_TTLS, eap_ttls_process_version,
+				   eap_ttls_process_msg) < 0)
+		eap_ttls_state(data, FAILURE);
+}
+
+
+static Boolean eap_ttls_isDone(struct eap_sm *sm, void *priv)
+{
+	struct eap_ttls_data *data = priv;
+	return data->state == SUCCESS || data->state == FAILURE;
+}
+
+
+static u8 * eap_ttls_v1_derive_key(struct eap_sm *sm,
+				   struct eap_ttls_data *data)
+{
+	struct tls_keys keys;
+	u8 *rnd, *key;
+
+	os_memset(&keys, 0, sizeof(keys));
+	if (tls_connection_get_keys(sm->ssl_ctx, data->ssl.conn, &keys) ||
+	    keys.client_random == NULL || keys.server_random == NULL ||
+	    keys.inner_secret == NULL) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: Could not get inner secret, "
+			   "client random, or server random to derive keying "
+			   "material");
+		return NULL;
+	}
+
+	rnd = os_malloc(keys.client_random_len + keys.server_random_len);
+	key = os_malloc(EAP_TLS_KEY_LEN);
+	if (rnd == NULL || key == NULL) {
+		wpa_printf(MSG_INFO, "EAP-TTLS: No memory for key derivation");
+		os_free(rnd);
+		os_free(key);
+		return NULL;
+	}
+	os_memcpy(rnd, keys.client_random, keys.client_random_len);
+	os_memcpy(rnd + keys.client_random_len, keys.server_random,
+		  keys.server_random_len);
+
+	if (tls_prf(keys.inner_secret, keys.inner_secret_len,
+		    "ttls v1 keying material", rnd, keys.client_random_len +
+		    keys.server_random_len, key, EAP_TLS_KEY_LEN)) {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: Failed to derive key");
+		os_free(rnd);
+		os_free(key);
+		return NULL;
+	}
+
+	wpa_hexdump(MSG_DEBUG, "EAP-TTLS: client/server random",
+		    rnd, keys.client_random_len + keys.server_random_len);
+	wpa_hexdump_key(MSG_DEBUG, "EAP-TTLS: TLS/IA inner secret",
+			keys.inner_secret, keys.inner_secret_len);
+
+	os_free(rnd);
+
+	return key;
+}
+
+
+static u8 * eap_ttls_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_ttls_data *data = priv;
+	u8 *eapKeyData;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	if (data->ttls_version == 0) {
+		eapKeyData = eap_server_tls_derive_key(sm, &data->ssl,
+						       "ttls keying material",
+						       EAP_TLS_KEY_LEN);
+	} else {
+		eapKeyData = eap_ttls_v1_derive_key(sm, data);
+	}
+
+	if (eapKeyData) {
+		*len = EAP_TLS_KEY_LEN;
+		wpa_hexdump_key(MSG_DEBUG, "EAP-TTLS: Derived key",
+				eapKeyData, EAP_TLS_KEY_LEN);
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-TTLS: Failed to derive key");
+	}
+
+	return eapKeyData;
+}
+
+
+static Boolean eap_ttls_isSuccess(struct eap_sm *sm, void *priv)
+{
+	struct eap_ttls_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+int eap_server_ttls_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_IETF, EAP_TYPE_TTLS, "TTLS");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_ttls_init;
+	eap->reset = eap_ttls_reset;
+	eap->buildReq = eap_ttls_buildReq;
+	eap->check = eap_ttls_check;
+	eap->process = eap_ttls_process;
+	eap->isDone = eap_ttls_isDone;
+	eap->getKey = eap_ttls_getKey;
+	eap->isSuccess = eap_ttls_isSuccess;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_server/eap_server_vendor_test.c b/src/eap_server/eap_server_vendor_test.c
new file mode 100644
index 0000000..0dd0aca
--- /dev/null
+++ b/src/eap_server/eap_server_vendor_test.c
@@ -0,0 +1,198 @@
+/*
+ * hostapd / Test method for vendor specific (expanded) EAP type
+ * Copyright (c) 2005-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eap_i.h"
+
+
+#define EAP_VENDOR_ID 0xfffefd
+#define EAP_VENDOR_TYPE 0xfcfbfaf9
+
+
+struct eap_vendor_test_data {
+	enum { INIT, CONFIRM, SUCCESS, FAILURE } state;
+};
+
+
+static const char * eap_vendor_test_state_txt(int state)
+{
+	switch (state) {
+	case INIT:
+		return "INIT";
+	case CONFIRM:
+		return "CONFIRM";
+	case SUCCESS:
+		return "SUCCESS";
+	case FAILURE:
+		return "FAILURE";
+	default:
+		return "?";
+	}
+}
+
+
+static void eap_vendor_test_state(struct eap_vendor_test_data *data,
+				  int state)
+{
+	wpa_printf(MSG_DEBUG, "EAP-VENDOR-TEST: %s -> %s",
+		   eap_vendor_test_state_txt(data->state),
+		   eap_vendor_test_state_txt(state));
+	data->state = state;
+}
+
+
+static void * eap_vendor_test_init(struct eap_sm *sm)
+{
+	struct eap_vendor_test_data *data;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = INIT;
+
+	return data;
+}
+
+
+static void eap_vendor_test_reset(struct eap_sm *sm, void *priv)
+{
+	struct eap_vendor_test_data *data = priv;
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_vendor_test_buildReq(struct eap_sm *sm, void *priv,
+						u8 id)
+{
+	struct eap_vendor_test_data *data = priv;
+	struct wpabuf *req;
+
+	req = eap_msg_alloc(EAP_VENDOR_ID, EAP_VENDOR_TYPE, 1,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-VENDOR-TEST: Failed to allocate "
+			   "memory for request");
+		return NULL;
+	}
+
+	wpabuf_put_u8(req, data->state == INIT ? 1 : 3);
+
+	return req;
+}
+
+
+static Boolean eap_vendor_test_check(struct eap_sm *sm, void *priv,
+				     struct wpabuf *respData)
+{
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_ID, EAP_VENDOR_TYPE, respData, &len);
+	if (pos == NULL || len < 1) {
+		wpa_printf(MSG_INFO, "EAP-VENDOR-TEST: Invalid frame");
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+static void eap_vendor_test_process(struct eap_sm *sm, void *priv,
+				    struct wpabuf *respData)
+{
+	struct eap_vendor_test_data *data = priv;
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_ID, EAP_VENDOR_TYPE, respData, &len);
+	if (pos == NULL || len < 1)
+		return;
+
+	if (data->state == INIT) {
+		if (*pos == 2)
+			eap_vendor_test_state(data, CONFIRM);
+		else
+			eap_vendor_test_state(data, FAILURE);
+	} else if (data->state == CONFIRM) {
+		if (*pos == 4)
+			eap_vendor_test_state(data, SUCCESS);
+		else
+			eap_vendor_test_state(data, FAILURE);
+	} else
+		eap_vendor_test_state(data, FAILURE);
+}
+
+
+static Boolean eap_vendor_test_isDone(struct eap_sm *sm, void *priv)
+{
+	struct eap_vendor_test_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+static u8 * eap_vendor_test_getKey(struct eap_sm *sm, void *priv, size_t *len)
+{
+	struct eap_vendor_test_data *data = priv;
+	u8 *key;
+	const int key_len = 64;
+
+	if (data->state != SUCCESS)
+		return NULL;
+
+	key = os_malloc(key_len);
+	if (key == NULL)
+		return NULL;
+
+	os_memset(key, 0x11, key_len / 2);
+	os_memset(key + key_len / 2, 0x22, key_len / 2);
+	*len = key_len;
+
+	return key;
+}
+
+
+static Boolean eap_vendor_test_isSuccess(struct eap_sm *sm, void *priv)
+{
+	struct eap_vendor_test_data *data = priv;
+	return data->state == SUCCESS;
+}
+
+
+int eap_server_vendor_test_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_ID, EAP_VENDOR_TYPE,
+				      "VENDOR-TEST");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_vendor_test_init;
+	eap->reset = eap_vendor_test_reset;
+	eap->buildReq = eap_vendor_test_buildReq;
+	eap->check = eap_vendor_test_check;
+	eap->process = eap_vendor_test_process;
+	eap->isDone = eap_vendor_test_isDone;
+	eap->getKey = eap_vendor_test_getKey;
+	eap->isSuccess = eap_vendor_test_isSuccess;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_server/eap_server_wsc.c b/src/eap_server/eap_server_wsc.c
new file mode 100644
index 0000000..e944a4d
--- /dev/null
+++ b/src/eap_server/eap_server_wsc.c
@@ -0,0 +1,517 @@
+/*
+ * EAP-WSC server for Wi-Fi Protected Setup
+ * Copyright (c) 2007-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eloop.h"
+#include "eap_i.h"
+#include "eap_common/eap_wsc_common.h"
+#include "p2p/p2p.h"
+#include "wps/wps.h"
+
+
+struct eap_wsc_data {
+	enum { START, MESG, FRAG_ACK, WAIT_FRAG_ACK, DONE, FAIL } state;
+	int registrar;
+	struct wpabuf *in_buf;
+	struct wpabuf *out_buf;
+	enum wsc_op_code in_op_code, out_op_code;
+	size_t out_used;
+	size_t fragment_size;
+	struct wps_data *wps;
+	int ext_reg_timeout;
+};
+
+
+#ifndef CONFIG_NO_STDOUT_DEBUG
+static const char * eap_wsc_state_txt(int state)
+{
+	switch (state) {
+	case START:
+		return "START";
+	case MESG:
+		return "MESG";
+	case FRAG_ACK:
+		return "FRAG_ACK";
+	case WAIT_FRAG_ACK:
+		return "WAIT_FRAG_ACK";
+	case DONE:
+		return "DONE";
+	case FAIL:
+		return "FAIL";
+	default:
+		return "?";
+	}
+}
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+
+
+static void eap_wsc_state(struct eap_wsc_data *data, int state)
+{
+	wpa_printf(MSG_DEBUG, "EAP-WSC: %s -> %s",
+		   eap_wsc_state_txt(data->state),
+		   eap_wsc_state_txt(state));
+	data->state = state;
+}
+
+
+static void eap_wsc_ext_reg_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct eap_sm *sm = eloop_ctx;
+	struct eap_wsc_data *data = timeout_ctx;
+
+	if (sm->method_pending != METHOD_PENDING_WAIT)
+		return;
+
+	wpa_printf(MSG_DEBUG, "EAP-WSC: Timeout while waiting for an External "
+		   "Registrar");
+	data->ext_reg_timeout = 1;
+	eap_sm_pending_cb(sm);
+}
+
+
+static void * eap_wsc_init(struct eap_sm *sm)
+{
+	struct eap_wsc_data *data;
+	int registrar;
+	struct wps_config cfg;
+
+	if (sm->identity && sm->identity_len == WSC_ID_REGISTRAR_LEN &&
+	    os_memcmp(sm->identity, WSC_ID_REGISTRAR, WSC_ID_REGISTRAR_LEN) ==
+	    0)
+		registrar = 0; /* Supplicant is Registrar */
+	else if (sm->identity && sm->identity_len == WSC_ID_ENROLLEE_LEN &&
+		 os_memcmp(sm->identity, WSC_ID_ENROLLEE, WSC_ID_ENROLLEE_LEN)
+		 == 0)
+		registrar = 1; /* Supplicant is Enrollee */
+	else {
+		wpa_hexdump_ascii(MSG_INFO, "EAP-WSC: Unexpected identity",
+				  sm->identity, sm->identity_len);
+		return NULL;
+	}
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = registrar ? START : MESG;
+	data->registrar = registrar;
+
+	os_memset(&cfg, 0, sizeof(cfg));
+	cfg.wps = sm->wps;
+	cfg.registrar = registrar;
+	if (registrar) {
+		if (sm->wps == NULL || sm->wps->registrar == NULL) {
+			wpa_printf(MSG_INFO, "EAP-WSC: WPS Registrar not "
+				   "initialized");
+			os_free(data);
+			return NULL;
+		}
+	} else {
+		if (sm->user == NULL || sm->user->password == NULL) {
+			/*
+			 * In theory, this should not really be needed, but
+			 * Windows 7 uses Registrar mode to probe AP's WPS
+			 * capabilities before trying to use Enrollee and fails
+			 * if the AP does not allow that probing to happen..
+			 */
+			wpa_printf(MSG_DEBUG, "EAP-WSC: No AP PIN (password) "
+				   "configured for Enrollee functionality - "
+				   "allow for probing capabilities (M1)");
+		} else {
+			cfg.pin = sm->user->password;
+			cfg.pin_len = sm->user->password_len;
+		}
+	}
+	cfg.assoc_wps_ie = sm->assoc_wps_ie;
+	cfg.peer_addr = sm->peer_addr;
+#ifdef CONFIG_P2P
+	if (sm->assoc_p2p_ie) {
+		wpa_printf(MSG_DEBUG, "EAP-WSC: Prefer PSK format for P2P "
+			   "client");
+		cfg.use_psk_key = 1;
+		cfg.p2p_dev_addr = p2p_get_go_dev_addr(sm->assoc_p2p_ie);
+	}
+#endif /* CONFIG_P2P */
+	data->wps = wps_init(&cfg);
+	if (data->wps == NULL) {
+		os_free(data);
+		return NULL;
+	}
+	data->fragment_size = sm->fragment_size > 0 ? sm->fragment_size :
+		WSC_FRAGMENT_SIZE;
+
+	return data;
+}
+
+
+static void eap_wsc_reset(struct eap_sm *sm, void *priv)
+{
+	struct eap_wsc_data *data = priv;
+	eloop_cancel_timeout(eap_wsc_ext_reg_timeout, sm, data);
+	wpabuf_free(data->in_buf);
+	wpabuf_free(data->out_buf);
+	wps_deinit(data->wps);
+	os_free(data);
+}
+
+
+static struct wpabuf * eap_wsc_build_start(struct eap_sm *sm,
+					   struct eap_wsc_data *data, u8 id)
+{
+	struct wpabuf *req;
+
+	req = eap_msg_alloc(EAP_VENDOR_WFA, EAP_VENDOR_TYPE_WSC, 2,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-WSC: Failed to allocate memory for "
+			   "request");
+		return NULL;
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-WSC: Send WSC/Start");
+	wpabuf_put_u8(req, WSC_Start); /* Op-Code */
+	wpabuf_put_u8(req, 0); /* Flags */
+
+	return req;
+}
+
+
+static struct wpabuf * eap_wsc_build_msg(struct eap_wsc_data *data, u8 id)
+{
+	struct wpabuf *req;
+	u8 flags;
+	size_t send_len, plen;
+
+	flags = 0;
+	send_len = wpabuf_len(data->out_buf) - data->out_used;
+	if (2 + send_len > data->fragment_size) {
+		send_len = data->fragment_size - 2;
+		flags |= WSC_FLAGS_MF;
+		if (data->out_used == 0) {
+			flags |= WSC_FLAGS_LF;
+			send_len -= 2;
+		}
+	}
+	plen = 2 + send_len;
+	if (flags & WSC_FLAGS_LF)
+		plen += 2;
+	req = eap_msg_alloc(EAP_VENDOR_WFA, EAP_VENDOR_TYPE_WSC, plen,
+			    EAP_CODE_REQUEST, id);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-WSC: Failed to allocate memory for "
+			   "request");
+		return NULL;
+	}
+
+	wpabuf_put_u8(req, data->out_op_code); /* Op-Code */
+	wpabuf_put_u8(req, flags); /* Flags */
+	if (flags & WSC_FLAGS_LF)
+		wpabuf_put_be16(req, wpabuf_len(data->out_buf));
+
+	wpabuf_put_data(req, wpabuf_head_u8(data->out_buf) + data->out_used,
+			send_len);
+	data->out_used += send_len;
+
+	if (data->out_used == wpabuf_len(data->out_buf)) {
+		wpa_printf(MSG_DEBUG, "EAP-WSC: Sending out %lu bytes "
+			   "(message sent completely)",
+			   (unsigned long) send_len);
+		wpabuf_free(data->out_buf);
+		data->out_buf = NULL;
+		data->out_used = 0;
+		eap_wsc_state(data, MESG);
+	} else {
+		wpa_printf(MSG_DEBUG, "EAP-WSC: Sending out %lu bytes "
+			   "(%lu more to send)", (unsigned long) send_len,
+			   (unsigned long) wpabuf_len(data->out_buf) -
+			   data->out_used);
+		eap_wsc_state(data, WAIT_FRAG_ACK);
+	}
+
+	return req;
+}
+
+
+static struct wpabuf * eap_wsc_buildReq(struct eap_sm *sm, void *priv, u8 id)
+{
+	struct eap_wsc_data *data = priv;
+
+	switch (data->state) {
+	case START:
+		return eap_wsc_build_start(sm, data, id);
+	case MESG:
+		if (data->out_buf == NULL) {
+			data->out_buf = wps_get_msg(data->wps,
+						    &data->out_op_code);
+			if (data->out_buf == NULL) {
+				wpa_printf(MSG_DEBUG, "EAP-WSC: Failed to "
+					   "receive message from WPS");
+				return NULL;
+			}
+			data->out_used = 0;
+		}
+		/* pass through */
+	case WAIT_FRAG_ACK:
+		return eap_wsc_build_msg(data, id);
+	case FRAG_ACK:
+		return eap_wsc_build_frag_ack(id, EAP_CODE_REQUEST);
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-WSC: Unexpected state %d in "
+			   "buildReq", data->state);
+		return NULL;
+	}
+}
+
+
+static Boolean eap_wsc_check(struct eap_sm *sm, void *priv,
+			     struct wpabuf *respData)
+{
+	const u8 *pos;
+	size_t len;
+
+	pos = eap_hdr_validate(EAP_VENDOR_WFA, EAP_VENDOR_TYPE_WSC,
+			       respData, &len);
+	if (pos == NULL || len < 2) {
+		wpa_printf(MSG_INFO, "EAP-WSC: Invalid frame");
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+static int eap_wsc_process_cont(struct eap_wsc_data *data,
+				const u8 *buf, size_t len, u8 op_code)
+{
+	/* Process continuation of a pending message */
+	if (op_code != data->in_op_code) {
+		wpa_printf(MSG_DEBUG, "EAP-WSC: Unexpected Op-Code %d in "
+			   "fragment (expected %d)",
+			   op_code, data->in_op_code);
+		eap_wsc_state(data, FAIL);
+		return -1;
+	}
+
+	if (len > wpabuf_tailroom(data->in_buf)) {
+		wpa_printf(MSG_DEBUG, "EAP-WSC: Fragment overflow");
+		eap_wsc_state(data, FAIL);
+		return -1;
+	}
+
+	wpabuf_put_data(data->in_buf, buf, len);
+	wpa_printf(MSG_DEBUG, "EAP-WSC: Received %lu bytes, waiting for %lu "
+		   "bytes more", (unsigned long) len,
+		   (unsigned long) wpabuf_tailroom(data->in_buf));
+
+	return 0;
+}
+
+
+static int eap_wsc_process_fragment(struct eap_wsc_data *data,
+				    u8 flags, u8 op_code, u16 message_length,
+				    const u8 *buf, size_t len)
+{
+	/* Process a fragment that is not the last one of the message */
+	if (data->in_buf == NULL && !(flags & WSC_FLAGS_LF)) {
+		wpa_printf(MSG_DEBUG, "EAP-WSC: No Message Length "
+			   "field in a fragmented packet");
+		return -1;
+	}
+
+	if (data->in_buf == NULL) {
+		/* First fragment of the message */
+		data->in_buf = wpabuf_alloc(message_length);
+		if (data->in_buf == NULL) {
+			wpa_printf(MSG_DEBUG, "EAP-WSC: No memory for "
+				   "message");
+			return -1;
+		}
+		data->in_op_code = op_code;
+		wpabuf_put_data(data->in_buf, buf, len);
+		wpa_printf(MSG_DEBUG, "EAP-WSC: Received %lu bytes in "
+			   "first fragment, waiting for %lu bytes more",
+			   (unsigned long) len,
+			   (unsigned long) wpabuf_tailroom(data->in_buf));
+	}
+
+	return 0;
+}
+
+
+static void eap_wsc_process(struct eap_sm *sm, void *priv,
+			    struct wpabuf *respData)
+{
+	struct eap_wsc_data *data = priv;
+	const u8 *start, *pos, *end;
+	size_t len;
+	u8 op_code, flags;
+	u16 message_length = 0;
+	enum wps_process_res res;
+	struct wpabuf tmpbuf;
+
+	eloop_cancel_timeout(eap_wsc_ext_reg_timeout, sm, data);
+	if (data->ext_reg_timeout) {
+		eap_wsc_state(data, FAIL);
+		return;
+	}
+
+	pos = eap_hdr_validate(EAP_VENDOR_WFA, EAP_VENDOR_TYPE_WSC,
+			       respData, &len);
+	if (pos == NULL || len < 2)
+		return; /* Should not happen; message already verified */
+
+	start = pos;
+	end = start + len;
+
+	op_code = *pos++;
+	flags = *pos++;
+	if (flags & WSC_FLAGS_LF) {
+		if (end - pos < 2) {
+			wpa_printf(MSG_DEBUG, "EAP-WSC: Message underflow");
+			return;
+		}
+		message_length = WPA_GET_BE16(pos);
+		pos += 2;
+
+		if (message_length < end - pos) {
+			wpa_printf(MSG_DEBUG, "EAP-WSC: Invalid Message "
+				   "Length");
+			return;
+		}
+	}
+
+	wpa_printf(MSG_DEBUG, "EAP-WSC: Received packet: Op-Code %d "
+		   "Flags 0x%x Message Length %d",
+		   op_code, flags, message_length);
+
+	if (data->state == WAIT_FRAG_ACK) {
+		if (op_code != WSC_FRAG_ACK) {
+			wpa_printf(MSG_DEBUG, "EAP-WSC: Unexpected Op-Code %d "
+				   "in WAIT_FRAG_ACK state", op_code);
+			eap_wsc_state(data, FAIL);
+			return;
+		}
+		wpa_printf(MSG_DEBUG, "EAP-WSC: Fragment acknowledged");
+		eap_wsc_state(data, MESG);
+		return;
+	}
+
+	if (op_code != WSC_ACK && op_code != WSC_NACK && op_code != WSC_MSG &&
+	    op_code != WSC_Done) {
+		wpa_printf(MSG_DEBUG, "EAP-WSC: Unexpected Op-Code %d",
+			   op_code);
+		eap_wsc_state(data, FAIL);
+		return;
+	}
+
+	if (data->in_buf &&
+	    eap_wsc_process_cont(data, pos, end - pos, op_code) < 0) {
+		eap_wsc_state(data, FAIL);
+		return;
+	}
+
+	if (flags & WSC_FLAGS_MF) {
+		if (eap_wsc_process_fragment(data, flags, op_code,
+					     message_length, pos, end - pos) <
+		    0)
+			eap_wsc_state(data, FAIL);
+		else
+			eap_wsc_state(data, FRAG_ACK);
+		return;
+	}
+
+	if (data->in_buf == NULL) {
+		/* Wrap unfragmented messages as wpabuf without extra copy */
+		wpabuf_set(&tmpbuf, pos, end - pos);
+		data->in_buf = &tmpbuf;
+	}
+
+	res = wps_process_msg(data->wps, op_code, data->in_buf);
+	switch (res) {
+	case WPS_DONE:
+		wpa_printf(MSG_DEBUG, "EAP-WSC: WPS processing completed "
+			   "successfully - report EAP failure");
+		eap_wsc_state(data, FAIL);
+		break;
+	case WPS_CONTINUE:
+		eap_wsc_state(data, MESG);
+		break;
+	case WPS_FAILURE:
+		wpa_printf(MSG_DEBUG, "EAP-WSC: WPS processing failed");
+		eap_wsc_state(data, FAIL);
+		break;
+	case WPS_PENDING:
+		eap_wsc_state(data, MESG);
+		sm->method_pending = METHOD_PENDING_WAIT;
+		eloop_cancel_timeout(eap_wsc_ext_reg_timeout, sm, data);
+		eloop_register_timeout(5, 0, eap_wsc_ext_reg_timeout,
+				       sm, data);
+		break;
+	}
+
+	if (data->in_buf != &tmpbuf)
+		wpabuf_free(data->in_buf);
+	data->in_buf = NULL;
+}
+
+
+static Boolean eap_wsc_isDone(struct eap_sm *sm, void *priv)
+{
+	struct eap_wsc_data *data = priv;
+	return data->state == FAIL;
+}
+
+
+static Boolean eap_wsc_isSuccess(struct eap_sm *sm, void *priv)
+{
+	/* EAP-WSC will always result in EAP-Failure */
+	return FALSE;
+}
+
+
+static int eap_wsc_getTimeout(struct eap_sm *sm, void *priv)
+{
+	/* Recommended retransmit times: retransmit timeout 5 seconds,
+	 * per-message timeout 15 seconds, i.e., 3 tries. */
+	sm->MaxRetrans = 2; /* total 3 attempts */
+	return 5;
+}
+
+
+int eap_server_wsc_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_WFA, EAP_VENDOR_TYPE_WSC,
+				      "WSC");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_wsc_init;
+	eap->reset = eap_wsc_reset;
+	eap->buildReq = eap_wsc_buildReq;
+	eap->check = eap_wsc_check;
+	eap->process = eap_wsc_process;
+	eap->isDone = eap_wsc_isDone;
+	eap->isSuccess = eap_wsc_isSuccess;
+	eap->getTimeout = eap_wsc_getTimeout;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
diff --git a/src/eap_server/eap_sim_db.c b/src/eap_server/eap_sim_db.c
new file mode 100644
index 0000000..248b216
--- /dev/null
+++ b/src/eap_server/eap_sim_db.c
@@ -0,0 +1,1338 @@
+/*
+ * hostapd / EAP-SIM database/authenticator gateway
+ * Copyright (c) 2005-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This is an example implementation of the EAP-SIM/AKA database/authentication
+ * gateway interface that is using an external program as an SS7 gateway to
+ * GSM/UMTS authentication center (HLR/AuC). hlr_auc_gw is an example
+ * implementation of such a gateway program. This eap_sim_db.c takes care of
+ * EAP-SIM/AKA pseudonyms and re-auth identities. It can be used with different
+ * gateway implementations for HLR/AuC access. Alternatively, it can also be
+ * completely replaced if the in-memory database of pseudonyms/re-auth
+ * identities is not suitable for some cases.
+ */
+
+#include "includes.h"
+#include <sys/un.h>
+
+#include "common.h"
+#include "crypto/random.h"
+#include "eap_common/eap_sim_common.h"
+#include "eap_server/eap_sim_db.h"
+#include "eloop.h"
+
+struct eap_sim_pseudonym {
+	struct eap_sim_pseudonym *next;
+	u8 *identity;
+	size_t identity_len;
+	char *pseudonym;
+};
+
+struct eap_sim_db_pending {
+	struct eap_sim_db_pending *next;
+	u8 imsi[20];
+	size_t imsi_len;
+	enum { PENDING, SUCCESS, FAILURE } state;
+	void *cb_session_ctx;
+	struct os_time timestamp;
+	int aka;
+	union {
+		struct {
+			u8 kc[EAP_SIM_MAX_CHAL][EAP_SIM_KC_LEN];
+			u8 sres[EAP_SIM_MAX_CHAL][EAP_SIM_SRES_LEN];
+			u8 rand[EAP_SIM_MAX_CHAL][GSM_RAND_LEN];
+			int num_chal;
+		} sim;
+		struct {
+			u8 rand[EAP_AKA_RAND_LEN];
+			u8 autn[EAP_AKA_AUTN_LEN];
+			u8 ik[EAP_AKA_IK_LEN];
+			u8 ck[EAP_AKA_CK_LEN];
+			u8 res[EAP_AKA_RES_MAX_LEN];
+			size_t res_len;
+		} aka;
+	} u;
+};
+
+struct eap_sim_db_data {
+	int sock;
+	char *fname;
+	char *local_sock;
+	void (*get_complete_cb)(void *ctx, void *session_ctx);
+	void *ctx;
+	struct eap_sim_pseudonym *pseudonyms;
+	struct eap_sim_reauth *reauths;
+	struct eap_sim_db_pending *pending;
+};
+
+
+static struct eap_sim_db_pending *
+eap_sim_db_get_pending(struct eap_sim_db_data *data, const u8 *imsi,
+		       size_t imsi_len, int aka)
+{
+	struct eap_sim_db_pending *entry, *prev = NULL;
+
+	entry = data->pending;
+	while (entry) {
+		if (entry->aka == aka && entry->imsi_len == imsi_len &&
+		    os_memcmp(entry->imsi, imsi, imsi_len) == 0) {
+			if (prev)
+				prev->next = entry->next;
+			else
+				data->pending = entry->next;
+			break;
+		}
+		prev = entry;
+		entry = entry->next;
+	}
+	return entry;
+}
+
+
+static void eap_sim_db_add_pending(struct eap_sim_db_data *data,
+				   struct eap_sim_db_pending *entry)
+{
+	entry->next = data->pending;
+	data->pending = entry;
+}
+
+
+static void eap_sim_db_sim_resp_auth(struct eap_sim_db_data *data,
+				     const char *imsi, char *buf)
+{
+	char *start, *end, *pos;
+	struct eap_sim_db_pending *entry;
+	int num_chal;
+
+	/*
+	 * SIM-RESP-AUTH <IMSI> Kc(i):SRES(i):RAND(i) ...
+	 * SIM-RESP-AUTH <IMSI> FAILURE
+	 * (IMSI = ASCII string, Kc/SRES/RAND = hex string)
+	 */
+
+	entry = eap_sim_db_get_pending(data, (u8 *) imsi, os_strlen(imsi), 0);
+	if (entry == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-SIM DB: No pending entry for the "
+			   "received message found");
+		return;
+	}
+
+	start = buf;
+	if (os_strncmp(start, "FAILURE", 7) == 0) {
+		wpa_printf(MSG_DEBUG, "EAP-SIM DB: External server reported "
+			   "failure");
+		entry->state = FAILURE;
+		eap_sim_db_add_pending(data, entry);
+		data->get_complete_cb(data->ctx, entry->cb_session_ctx);
+		return;
+	}
+
+	num_chal = 0;
+	while (num_chal < EAP_SIM_MAX_CHAL) {
+		end = os_strchr(start, ' ');
+		if (end)
+			*end = '\0';
+
+		pos = os_strchr(start, ':');
+		if (pos == NULL)
+			goto parse_fail;
+		*pos = '\0';
+		if (hexstr2bin(start, entry->u.sim.kc[num_chal],
+			       EAP_SIM_KC_LEN))
+			goto parse_fail;
+
+		start = pos + 1;
+		pos = os_strchr(start, ':');
+		if (pos == NULL)
+			goto parse_fail;
+		*pos = '\0';
+		if (hexstr2bin(start, entry->u.sim.sres[num_chal],
+			       EAP_SIM_SRES_LEN))
+			goto parse_fail;
+
+		start = pos + 1;
+		if (hexstr2bin(start, entry->u.sim.rand[num_chal],
+			       GSM_RAND_LEN))
+			goto parse_fail;
+
+		num_chal++;
+		if (end == NULL)
+			break;
+		else
+			start = end + 1;
+	}
+	entry->u.sim.num_chal = num_chal;
+
+	entry->state = SUCCESS;
+	wpa_printf(MSG_DEBUG, "EAP-SIM DB: Authentication data parsed "
+		   "successfully - callback");
+	eap_sim_db_add_pending(data, entry);
+	data->get_complete_cb(data->ctx, entry->cb_session_ctx);
+	return;
+
+parse_fail:
+	wpa_printf(MSG_DEBUG, "EAP-SIM DB: Failed to parse response string");
+	os_free(entry);
+}
+
+
+static void eap_sim_db_aka_resp_auth(struct eap_sim_db_data *data,
+				     const char *imsi, char *buf)
+{
+	char *start, *end;
+	struct eap_sim_db_pending *entry;
+
+	/*
+	 * AKA-RESP-AUTH <IMSI> <RAND> <AUTN> <IK> <CK> <RES>
+	 * AKA-RESP-AUTH <IMSI> FAILURE
+	 * (IMSI = ASCII string, RAND/AUTN/IK/CK/RES = hex string)
+	 */
+
+	entry = eap_sim_db_get_pending(data, (u8 *) imsi, os_strlen(imsi), 1);
+	if (entry == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-SIM DB: No pending entry for the "
+			   "received message found");
+		return;
+	}
+
+	start = buf;
+	if (os_strncmp(start, "FAILURE", 7) == 0) {
+		wpa_printf(MSG_DEBUG, "EAP-SIM DB: External server reported "
+			   "failure");
+		entry->state = FAILURE;
+		eap_sim_db_add_pending(data, entry);
+		data->get_complete_cb(data->ctx, entry->cb_session_ctx);
+		return;
+	}
+
+	end = os_strchr(start, ' ');
+	if (end == NULL)
+		goto parse_fail;
+	*end = '\0';
+	if (hexstr2bin(start, entry->u.aka.rand, EAP_AKA_RAND_LEN))
+		goto parse_fail;
+
+	start = end + 1;
+	end = os_strchr(start, ' ');
+	if (end == NULL)
+		goto parse_fail;
+	*end = '\0';
+	if (hexstr2bin(start, entry->u.aka.autn, EAP_AKA_AUTN_LEN))
+		goto parse_fail;
+
+	start = end + 1;
+	end = os_strchr(start, ' ');
+	if (end == NULL)
+		goto parse_fail;
+	*end = '\0';
+	if (hexstr2bin(start, entry->u.aka.ik, EAP_AKA_IK_LEN))
+		goto parse_fail;
+
+	start = end + 1;
+	end = os_strchr(start, ' ');
+	if (end == NULL)
+		goto parse_fail;
+	*end = '\0';
+	if (hexstr2bin(start, entry->u.aka.ck, EAP_AKA_CK_LEN))
+		goto parse_fail;
+
+	start = end + 1;
+	end = os_strchr(start, ' ');
+	if (end)
+		*end = '\0';
+	else {
+		end = start;
+		while (*end)
+			end++;
+	}
+	entry->u.aka.res_len = (end - start) / 2;
+	if (entry->u.aka.res_len > EAP_AKA_RES_MAX_LEN) {
+		wpa_printf(MSG_DEBUG, "EAP-SIM DB: Too long RES");
+		entry->u.aka.res_len = 0;
+		goto parse_fail;
+	}
+	if (hexstr2bin(start, entry->u.aka.res, entry->u.aka.res_len))
+		goto parse_fail;
+
+	entry->state = SUCCESS;
+	wpa_printf(MSG_DEBUG, "EAP-SIM DB: Authentication data parsed "
+		   "successfully - callback");
+	eap_sim_db_add_pending(data, entry);
+	data->get_complete_cb(data->ctx, entry->cb_session_ctx);
+	return;
+
+parse_fail:
+	wpa_printf(MSG_DEBUG, "EAP-SIM DB: Failed to parse response string");
+	os_free(entry);
+}
+
+
+static void eap_sim_db_receive(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	struct eap_sim_db_data *data = eloop_ctx;
+	char buf[1000], *pos, *cmd, *imsi;
+	int res;
+
+	res = recv(sock, buf, sizeof(buf), 0);
+	if (res < 0)
+		return;
+	wpa_hexdump_ascii_key(MSG_MSGDUMP, "EAP-SIM DB: Received from an "
+			      "external source", (u8 *) buf, res);
+	if (res == 0)
+		return;
+	if (res >= (int) sizeof(buf))
+		res = sizeof(buf) - 1;
+	buf[res] = '\0';
+
+	if (data->get_complete_cb == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-SIM DB: No get_complete_cb "
+			   "registered");
+		return;
+	}
+
+	/* <cmd> <IMSI> ... */
+
+	cmd = buf;
+	pos = os_strchr(cmd, ' ');
+	if (pos == NULL)
+		goto parse_fail;
+	*pos = '\0';
+	imsi = pos + 1;
+	pos = os_strchr(imsi, ' ');
+	if (pos == NULL)
+		goto parse_fail;
+	*pos = '\0';
+	wpa_printf(MSG_DEBUG, "EAP-SIM DB: External response=%s for IMSI %s",
+		   cmd, imsi);
+
+	if (os_strcmp(cmd, "SIM-RESP-AUTH") == 0)
+		eap_sim_db_sim_resp_auth(data, imsi, pos + 1);
+	else if (os_strcmp(cmd, "AKA-RESP-AUTH") == 0)
+		eap_sim_db_aka_resp_auth(data, imsi, pos + 1);
+	else
+		wpa_printf(MSG_INFO, "EAP-SIM DB: Unknown external response "
+			   "'%s'", cmd);
+	return;
+
+parse_fail:
+	wpa_printf(MSG_DEBUG, "EAP-SIM DB: Failed to parse response string");
+}
+
+
+static int eap_sim_db_open_socket(struct eap_sim_db_data *data)
+{
+	struct sockaddr_un addr;
+	static int counter = 0;
+
+	if (os_strncmp(data->fname, "unix:", 5) != 0)
+		return -1;
+
+	data->sock = socket(PF_UNIX, SOCK_DGRAM, 0);
+	if (data->sock < 0) {
+		perror("socket(eap_sim_db)");
+		return -1;
+	}
+
+	os_memset(&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+	os_snprintf(addr.sun_path, sizeof(addr.sun_path),
+		    "/tmp/eap_sim_db_%d-%d", getpid(), counter++);
+	data->local_sock = os_strdup(addr.sun_path);
+	if (bind(data->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+		perror("bind(eap_sim_db)");
+		close(data->sock);
+		data->sock = -1;
+		return -1;
+	}
+
+	os_memset(&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+	os_strlcpy(addr.sun_path, data->fname + 5, sizeof(addr.sun_path));
+	if (connect(data->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+		perror("connect(eap_sim_db)");
+		wpa_hexdump_ascii(MSG_INFO, "HLR/AuC GW socket",
+				  (u8 *) addr.sun_path,
+				  os_strlen(addr.sun_path));
+		close(data->sock);
+		data->sock = -1;
+		return -1;
+	}
+
+	eloop_register_read_sock(data->sock, eap_sim_db_receive, data, NULL);
+
+	return 0;
+}
+
+
+static void eap_sim_db_close_socket(struct eap_sim_db_data *data)
+{
+	if (data->sock >= 0) {
+		eloop_unregister_read_sock(data->sock);
+		close(data->sock);
+		data->sock = -1;
+	}
+	if (data->local_sock) {
+		unlink(data->local_sock);
+		os_free(data->local_sock);
+		data->local_sock = NULL;
+	}
+}
+
+
+/**
+ * eap_sim_db_init - Initialize EAP-SIM DB / authentication gateway interface
+ * @config: Configuration data (e.g., file name)
+ * @get_complete_cb: Callback function for reporting availability of triplets
+ * @ctx: Context pointer for get_complete_cb
+ * Returns: Pointer to a private data structure or %NULL on failure
+ */
+void * eap_sim_db_init(const char *config,
+		       void (*get_complete_cb)(void *ctx, void *session_ctx),
+		       void *ctx)
+{
+	struct eap_sim_db_data *data;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+
+	data->sock = -1;
+	data->get_complete_cb = get_complete_cb;
+	data->ctx = ctx;
+	data->fname = os_strdup(config);
+	if (data->fname == NULL)
+		goto fail;
+
+	if (os_strncmp(data->fname, "unix:", 5) == 0) {
+		if (eap_sim_db_open_socket(data))
+			goto fail;
+	}
+
+	return data;
+
+fail:
+	eap_sim_db_close_socket(data);
+	os_free(data->fname);
+	os_free(data);
+	return NULL;
+}
+
+
+static void eap_sim_db_free_pseudonym(struct eap_sim_pseudonym *p)
+{
+	os_free(p->identity);
+	os_free(p->pseudonym);
+	os_free(p);
+}
+
+
+static void eap_sim_db_free_reauth(struct eap_sim_reauth *r)
+{
+	os_free(r->identity);
+	os_free(r->reauth_id);
+	os_free(r);
+}
+
+
+/**
+ * eap_sim_db_deinit - Deinitialize EAP-SIM DB/authentication gw interface
+ * @priv: Private data pointer from eap_sim_db_init()
+ */
+void eap_sim_db_deinit(void *priv)
+{
+	struct eap_sim_db_data *data = priv;
+	struct eap_sim_pseudonym *p, *prev;
+	struct eap_sim_reauth *r, *prevr;
+	struct eap_sim_db_pending *pending, *prev_pending;
+
+	eap_sim_db_close_socket(data);
+	os_free(data->fname);
+
+	p = data->pseudonyms;
+	while (p) {
+		prev = p;
+		p = p->next;
+		eap_sim_db_free_pseudonym(prev);
+	}
+
+	r = data->reauths;
+	while (r) {
+		prevr = r;
+		r = r->next;
+		eap_sim_db_free_reauth(prevr);
+	}
+
+	pending = data->pending;
+	while (pending) {
+		prev_pending = pending;
+		pending = pending->next;
+		os_free(prev_pending);
+	}
+
+	os_free(data);
+}
+
+
+static int eap_sim_db_send(struct eap_sim_db_data *data, const char *msg,
+			   size_t len)
+{
+	int _errno = 0;
+
+	if (send(data->sock, msg, len, 0) < 0) {
+		_errno = errno;
+		perror("send[EAP-SIM DB UNIX]");
+	}
+
+	if (_errno == ENOTCONN || _errno == EDESTADDRREQ || _errno == EINVAL ||
+	    _errno == ECONNREFUSED) {
+		/* Try to reconnect */
+		eap_sim_db_close_socket(data);
+		if (eap_sim_db_open_socket(data) < 0)
+			return -1;
+		wpa_printf(MSG_DEBUG, "EAP-SIM DB: Reconnected to the "
+			   "external server");
+		if (send(data->sock, msg, len, 0) < 0) {
+			perror("send[EAP-SIM DB UNIX]");
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+
+static void eap_sim_db_expire_pending(struct eap_sim_db_data *data)
+{
+	/* TODO: add limit for maximum length for pending list; remove latest
+	 * (i.e., last) entry from the list if the limit is reached; could also
+	 * use timeout to expire pending entries */
+}
+
+
+/**
+ * eap_sim_db_get_gsm_triplets - Get GSM triplets
+ * @priv: Private data pointer from eap_sim_db_init()
+ * @identity: User name identity
+ * @identity_len: Length of identity in bytes
+ * @max_chal: Maximum number of triplets
+ * @_rand: Buffer for RAND values
+ * @kc: Buffer for Kc values
+ * @sres: Buffer for SRES values
+ * @cb_session_ctx: Session callback context for get_complete_cb()
+ * Returns: Number of triplets received (has to be less than or equal to
+ * max_chal), -1 (EAP_SIM_DB_FAILURE) on error (e.g., user not found), or
+ * -2 (EAP_SIM_DB_PENDING) if results are not yet available. In this case, the
+ * callback function registered with eap_sim_db_init() will be called once the
+ * results become available.
+ *
+ * In most cases, the user name is '1' | IMSI, i.e., 1 followed by the IMSI in
+ * ASCII format.
+ *
+ * When using an external server for GSM triplets, this function can always
+ * start a request and return EAP_SIM_DB_PENDING immediately if authentication
+ * triplets are not available. Once the triplets are received, callback
+ * function registered with eap_sim_db_init() is called to notify EAP state
+ * machine to reprocess the message. This eap_sim_db_get_gsm_triplets()
+ * function will then be called again and the newly received triplets will then
+ * be given to the caller.
+ */
+int eap_sim_db_get_gsm_triplets(void *priv, const u8 *identity,
+				size_t identity_len, int max_chal,
+				u8 *_rand, u8 *kc, u8 *sres,
+				void *cb_session_ctx)
+{
+	struct eap_sim_db_data *data = priv;
+	struct eap_sim_db_pending *entry;
+	int len, ret;
+	size_t i;
+	char msg[40];
+
+	if (identity_len < 2 || identity[0] != EAP_SIM_PERMANENT_PREFIX) {
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-SIM DB: unexpected identity",
+				  identity, identity_len);
+		return EAP_SIM_DB_FAILURE;
+	}
+	identity++;
+	identity_len--;
+	for (i = 0; i < identity_len; i++) {
+		if (identity[i] == '@') {
+			identity_len = i;
+			break;
+		}
+	}
+	if (identity_len + 1 > sizeof(entry->imsi)) {
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-SIM DB: unexpected identity",
+				  identity, identity_len);
+		return EAP_SIM_DB_FAILURE;
+	}
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-SIM DB: Get GSM triplets for IMSI",
+			  identity, identity_len);
+
+	entry = eap_sim_db_get_pending(data, identity, identity_len, 0);
+	if (entry) {
+		int num_chal;
+		if (entry->state == FAILURE) {
+			wpa_printf(MSG_DEBUG, "EAP-SIM DB: Pending entry -> "
+				   "failure");
+			os_free(entry);
+			return EAP_SIM_DB_FAILURE;
+		}
+
+		if (entry->state == PENDING) {
+			wpa_printf(MSG_DEBUG, "EAP-SIM DB: Pending entry -> "
+				   "still pending");
+			eap_sim_db_add_pending(data, entry);
+			return EAP_SIM_DB_PENDING;
+		}
+
+		wpa_printf(MSG_DEBUG, "EAP-SIM DB: Pending entry -> "
+			   "%d challenges", entry->u.sim.num_chal);
+		num_chal = entry->u.sim.num_chal;
+		if (num_chal > max_chal)
+			num_chal = max_chal;
+		os_memcpy(_rand, entry->u.sim.rand, num_chal * GSM_RAND_LEN);
+		os_memcpy(sres, entry->u.sim.sres,
+			  num_chal * EAP_SIM_SRES_LEN);
+		os_memcpy(kc, entry->u.sim.kc, num_chal * EAP_SIM_KC_LEN);
+		os_free(entry);
+		return num_chal;
+	}
+
+	if (data->sock < 0) {
+		if (eap_sim_db_open_socket(data) < 0)
+			return EAP_SIM_DB_FAILURE;
+	}
+
+	len = os_snprintf(msg, sizeof(msg), "SIM-REQ-AUTH ");
+	if (len < 0 || len + identity_len >= sizeof(msg))
+		return EAP_SIM_DB_FAILURE;
+	os_memcpy(msg + len, identity, identity_len);
+	len += identity_len;
+	ret = os_snprintf(msg + len, sizeof(msg) - len, " %d", max_chal);
+	if (ret < 0 || (size_t) ret >= sizeof(msg) - len)
+		return EAP_SIM_DB_FAILURE;
+	len += ret;
+
+	wpa_hexdump(MSG_DEBUG, "EAP-SIM DB: requesting SIM authentication "
+		    "data for IMSI", identity, identity_len);
+	if (eap_sim_db_send(data, msg, len) < 0)
+		return EAP_SIM_DB_FAILURE;
+
+	entry = os_zalloc(sizeof(*entry));
+	if (entry == NULL)
+		return EAP_SIM_DB_FAILURE;
+
+	os_get_time(&entry->timestamp);
+	os_memcpy(entry->imsi, identity, identity_len);
+	entry->imsi_len = identity_len;
+	entry->cb_session_ctx = cb_session_ctx;
+	entry->state = PENDING;
+	eap_sim_db_add_pending(data, entry);
+	eap_sim_db_expire_pending(data);
+
+	return EAP_SIM_DB_PENDING;
+}
+
+
+static struct eap_sim_pseudonym *
+eap_sim_db_get_pseudonym(struct eap_sim_db_data *data, const u8 *identity,
+			 size_t identity_len)
+{
+	char *pseudonym;
+	size_t len;
+	struct eap_sim_pseudonym *p;
+
+	if (identity_len == 0 ||
+	    (identity[0] != EAP_SIM_PSEUDONYM_PREFIX &&
+	     identity[0] != EAP_AKA_PSEUDONYM_PREFIX))
+		return NULL;
+
+	/* Remove possible realm from identity */
+	len = 0;
+	while (len < identity_len) {
+		if (identity[len] == '@')
+			break;
+		len++;
+	}
+
+	pseudonym = os_malloc(len + 1);
+	if (pseudonym == NULL)
+		return NULL;
+	os_memcpy(pseudonym, identity, len);
+	pseudonym[len] = '\0';
+
+	p = data->pseudonyms;
+	while (p) {
+		if (os_strcmp(p->pseudonym, pseudonym) == 0)
+			break;
+		p = p->next;
+	}
+
+	os_free(pseudonym);
+
+	return p;
+}
+
+
+static struct eap_sim_pseudonym *
+eap_sim_db_get_pseudonym_id(struct eap_sim_db_data *data, const u8 *identity,
+			    size_t identity_len)
+{
+	struct eap_sim_pseudonym *p;
+
+	if (identity_len == 0 ||
+	    (identity[0] != EAP_SIM_PERMANENT_PREFIX &&
+	     identity[0] != EAP_AKA_PERMANENT_PREFIX))
+		return NULL;
+
+	p = data->pseudonyms;
+	while (p) {
+		if (identity_len == p->identity_len &&
+		    os_memcmp(p->identity, identity, identity_len) == 0)
+			break;
+		p = p->next;
+	}
+
+	return p;
+}
+
+
+static struct eap_sim_reauth *
+eap_sim_db_get_reauth(struct eap_sim_db_data *data, const u8 *identity,
+		      size_t identity_len)
+{
+	char *reauth_id;
+	size_t len;
+	struct eap_sim_reauth *r;
+
+	if (identity_len == 0 ||
+	    (identity[0] != EAP_SIM_REAUTH_ID_PREFIX &&
+	     identity[0] != EAP_AKA_REAUTH_ID_PREFIX))
+		return NULL;
+
+	/* Remove possible realm from identity */
+	len = 0;
+	while (len < identity_len) {
+		if (identity[len] == '@')
+			break;
+		len++;
+	}
+
+	reauth_id = os_malloc(len + 1);
+	if (reauth_id == NULL)
+		return NULL;
+	os_memcpy(reauth_id, identity, len);
+	reauth_id[len] = '\0';
+
+	r = data->reauths;
+	while (r) {
+		if (os_strcmp(r->reauth_id, reauth_id) == 0)
+			break;
+		r = r->next;
+	}
+
+	os_free(reauth_id);
+
+	return r;
+}
+
+
+static struct eap_sim_reauth *
+eap_sim_db_get_reauth_id(struct eap_sim_db_data *data, const u8 *identity,
+			 size_t identity_len)
+{
+	struct eap_sim_pseudonym *p;
+	struct eap_sim_reauth *r;
+
+	if (identity_len == 0)
+		return NULL;
+
+	p = eap_sim_db_get_pseudonym(data, identity, identity_len);
+	if (p == NULL)
+		p = eap_sim_db_get_pseudonym_id(data, identity, identity_len);
+	if (p) {
+		identity = p->identity;
+		identity_len = p->identity_len;
+	}
+
+	r = data->reauths;
+	while (r) {
+		if (identity_len == r->identity_len &&
+		    os_memcmp(r->identity, identity, identity_len) == 0)
+			break;
+		r = r->next;
+	}
+
+	return r;
+}
+
+
+/**
+ * eap_sim_db_identity_known - Verify whether the given identity is known
+ * @priv: Private data pointer from eap_sim_db_init()
+ * @identity: User name identity
+ * @identity_len: Length of identity in bytes 
+ * Returns: 0 if the user is found or -1 on failure
+ *
+ * In most cases, the user name is ['0','1'] | IMSI, i.e., 1 followed by the
+ * IMSI in ASCII format, ['2','3'] | pseudonym, or ['4','5'] | reauth_id.
+ */
+int eap_sim_db_identity_known(void *priv, const u8 *identity,
+			      size_t identity_len)
+{
+	struct eap_sim_db_data *data = priv;
+
+	if (identity == NULL || identity_len < 2)
+		return -1;
+
+	if (identity[0] == EAP_SIM_PSEUDONYM_PREFIX ||
+	    identity[0] == EAP_AKA_PSEUDONYM_PREFIX) {
+		struct eap_sim_pseudonym *p =
+			eap_sim_db_get_pseudonym(data, identity, identity_len);
+		return p ? 0 : -1;
+	}
+
+	if (identity[0] == EAP_SIM_REAUTH_ID_PREFIX ||
+	    identity[0] == EAP_AKA_REAUTH_ID_PREFIX) {
+		struct eap_sim_reauth *r =
+			eap_sim_db_get_reauth(data, identity, identity_len);
+		return r ? 0 : -1;
+	}
+
+	if (identity[0] != EAP_SIM_PERMANENT_PREFIX &&
+	    identity[0] != EAP_AKA_PERMANENT_PREFIX) {
+		/* Unknown identity prefix */
+		return -1;
+	}
+
+	/* TODO: Should consider asking HLR/AuC gateway whether this permanent
+	 * identity is known. If it is, EAP-SIM/AKA can skip identity request.
+	 * In case of EAP-AKA, this would reduce number of needed round-trips.
+	 * Ideally, this would be done with one wait, i.e., just request
+	 * authentication data and store it for the next use. This would then
+	 * need to use similar pending-request functionality as the normal
+	 * request for authentication data at later phase.
+	 */
+	return -1;
+}
+
+
+static char * eap_sim_db_get_next(struct eap_sim_db_data *data, char prefix)
+{
+	char *id, *pos, *end;
+	u8 buf[10];
+
+	if (random_get_bytes(buf, sizeof(buf)))
+		return NULL;
+	id = os_malloc(sizeof(buf) * 2 + 2);
+	if (id == NULL)
+		return NULL;
+
+	pos = id;
+	end = id + sizeof(buf) * 2 + 2;
+	*pos++ = prefix;
+	pos += wpa_snprintf_hex(pos, end - pos, buf, sizeof(buf));
+	
+	return id;
+}
+
+
+/**
+ * eap_sim_db_get_next_pseudonym - EAP-SIM DB: Get next pseudonym
+ * @priv: Private data pointer from eap_sim_db_init()
+ * @aka: Using EAP-AKA instead of EAP-SIM
+ * Returns: Next pseudonym (allocated string) or %NULL on failure
+ *
+ * This function is used to generate a pseudonym for EAP-SIM. The returned
+ * pseudonym is not added to database at this point; it will need to be added
+ * with eap_sim_db_add_pseudonym() once the authentication has been completed
+ * successfully. Caller is responsible for freeing the returned buffer.
+ */
+char * eap_sim_db_get_next_pseudonym(void *priv, int aka)
+{
+	struct eap_sim_db_data *data = priv;
+	return eap_sim_db_get_next(data, aka ? EAP_AKA_PSEUDONYM_PREFIX :
+				   EAP_SIM_PSEUDONYM_PREFIX);
+}
+
+
+/**
+ * eap_sim_db_get_next_reauth_id - EAP-SIM DB: Get next reauth_id
+ * @priv: Private data pointer from eap_sim_db_init()
+ * @aka: Using EAP-AKA instead of EAP-SIM
+ * Returns: Next reauth_id (allocated string) or %NULL on failure
+ *
+ * This function is used to generate a fast re-authentication identity for
+ * EAP-SIM. The returned reauth_id is not added to database at this point; it
+ * will need to be added with eap_sim_db_add_reauth() once the authentication
+ * has been completed successfully. Caller is responsible for freeing the
+ * returned buffer.
+ */
+char * eap_sim_db_get_next_reauth_id(void *priv, int aka)
+{
+	struct eap_sim_db_data *data = priv;
+	return eap_sim_db_get_next(data, aka ? EAP_AKA_REAUTH_ID_PREFIX :
+				   EAP_SIM_REAUTH_ID_PREFIX);
+}
+
+
+/**
+ * eap_sim_db_add_pseudonym - EAP-SIM DB: Add new pseudonym
+ * @priv: Private data pointer from eap_sim_db_init()
+ * @identity: Identity of the user (may be permanent identity or pseudonym)
+ * @identity_len: Length of identity
+ * @pseudonym: Pseudonym for this user. This needs to be an allocated buffer,
+ * e.g., return value from eap_sim_db_get_next_pseudonym(). Caller must not
+ * free it.
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function adds a new pseudonym for EAP-SIM user. EAP-SIM DB is
+ * responsible of freeing pseudonym buffer once it is not needed anymore.
+ */
+int eap_sim_db_add_pseudonym(void *priv, const u8 *identity,
+			     size_t identity_len, char *pseudonym)
+{
+	struct eap_sim_db_data *data = priv;
+	struct eap_sim_pseudonym *p;
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-SIM DB: Add pseudonym for identity",
+			  identity, identity_len);
+	wpa_printf(MSG_DEBUG, "EAP-SIM DB: Pseudonym: %s", pseudonym);
+
+	/* TODO: could store last two pseudonyms */
+	p = eap_sim_db_get_pseudonym(data, identity, identity_len);
+	if (p == NULL)
+		p = eap_sim_db_get_pseudonym_id(data, identity, identity_len);
+
+	if (p) {
+		wpa_printf(MSG_DEBUG, "EAP-SIM DB: Replacing previous "
+			   "pseudonym: %s", p->pseudonym);
+		os_free(p->pseudonym);
+		p->pseudonym = pseudonym;
+		return 0;
+	}
+
+	p = os_zalloc(sizeof(*p));
+	if (p == NULL) {
+		os_free(pseudonym);
+		return -1;
+	}
+
+	p->next = data->pseudonyms;
+	p->identity = os_malloc(identity_len);
+	if (p->identity == NULL) {
+		os_free(p);
+		os_free(pseudonym);
+		return -1;
+	}
+	os_memcpy(p->identity, identity, identity_len);
+	p->identity_len = identity_len;
+	p->pseudonym = pseudonym;
+	data->pseudonyms = p;
+
+	wpa_printf(MSG_DEBUG, "EAP-SIM DB: Added new pseudonym entry");
+	return 0;
+}
+
+
+static struct eap_sim_reauth *
+eap_sim_db_add_reauth_data(struct eap_sim_db_data *data, const u8 *identity,
+			   size_t identity_len, char *reauth_id, u16 counter)
+{
+	struct eap_sim_reauth *r;
+
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-SIM DB: Add reauth_id for identity",
+			  identity, identity_len);
+	wpa_printf(MSG_DEBUG, "EAP-SIM DB: reauth_id: %s", reauth_id);
+
+	r = eap_sim_db_get_reauth(data, identity, identity_len);
+	if (r == NULL)
+		r = eap_sim_db_get_reauth_id(data, identity, identity_len);
+
+	if (r) {
+		wpa_printf(MSG_DEBUG, "EAP-SIM DB: Replacing previous "
+			   "reauth_id: %s", r->reauth_id);
+		os_free(r->reauth_id);
+		r->reauth_id = reauth_id;
+	} else {
+		r = os_zalloc(sizeof(*r));
+		if (r == NULL) {
+			os_free(reauth_id);
+			return NULL;
+		}
+
+		r->next = data->reauths;
+		r->identity = os_malloc(identity_len);
+		if (r->identity == NULL) {
+			os_free(r);
+			os_free(reauth_id);
+			return NULL;
+		}
+		os_memcpy(r->identity, identity, identity_len);
+		r->identity_len = identity_len;
+		r->reauth_id = reauth_id;
+		data->reauths = r;
+		wpa_printf(MSG_DEBUG, "EAP-SIM DB: Added new reauth entry");
+	}
+
+	r->counter = counter;
+
+	return r;
+}
+
+
+/**
+ * eap_sim_db_add_reauth - EAP-SIM DB: Add new re-authentication entry
+ * @priv: Private data pointer from eap_sim_db_init()
+ * @identity: Identity of the user (may be permanent identity or pseudonym)
+ * @identity_len: Length of identity
+ * @reauth_id: reauth_id for this user. This needs to be an allocated buffer,
+ * e.g., return value from eap_sim_db_get_next_reauth_id(). Caller must not
+ * free it.
+ * @counter: AT_COUNTER value for fast re-authentication
+ * @mk: 16-byte MK from the previous full authentication or %NULL
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function adds a new re-authentication entry for an EAP-SIM user.
+ * EAP-SIM DB is responsible of freeing reauth_id buffer once it is not needed
+ * anymore.
+ */
+int eap_sim_db_add_reauth(void *priv, const u8 *identity,
+			  size_t identity_len, char *reauth_id, u16 counter,
+			  const u8 *mk)
+{
+	struct eap_sim_db_data *data = priv;
+	struct eap_sim_reauth *r;
+
+	r = eap_sim_db_add_reauth_data(data, identity, identity_len, reauth_id,
+				       counter);
+	if (r == NULL)
+		return -1;
+
+	os_memcpy(r->mk, mk, EAP_SIM_MK_LEN);
+	r->aka_prime = 0;
+
+	return 0;
+}
+
+
+#ifdef EAP_SERVER_AKA_PRIME
+/**
+ * eap_sim_db_add_reauth_prime - EAP-AKA' DB: Add new re-authentication entry
+ * @priv: Private data pointer from eap_sim_db_init()
+ * @identity: Identity of the user (may be permanent identity or pseudonym)
+ * @identity_len: Length of identity
+ * @reauth_id: reauth_id for this user. This needs to be an allocated buffer,
+ * e.g., return value from eap_sim_db_get_next_reauth_id(). Caller must not
+ * free it.
+ * @counter: AT_COUNTER value for fast re-authentication
+ * @k_encr: K_encr from the previous full authentication
+ * @k_aut: K_aut from the previous full authentication
+ * @k_re: 32-byte K_re from the previous full authentication
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function adds a new re-authentication entry for an EAP-AKA' user.
+ * EAP-SIM DB is responsible of freeing reauth_id buffer once it is not needed
+ * anymore.
+ */
+int eap_sim_db_add_reauth_prime(void *priv, const u8 *identity,
+				size_t identity_len, char *reauth_id,
+				u16 counter, const u8 *k_encr, const u8 *k_aut,
+				const u8 *k_re)
+{
+	struct eap_sim_db_data *data = priv;
+	struct eap_sim_reauth *r;
+
+	r = eap_sim_db_add_reauth_data(data, identity, identity_len, reauth_id,
+				       counter);
+	if (r == NULL)
+		return -1;
+
+	r->aka_prime = 1;
+	os_memcpy(r->k_encr, k_encr, EAP_SIM_K_ENCR_LEN);
+	os_memcpy(r->k_aut, k_aut, EAP_AKA_PRIME_K_AUT_LEN);
+	os_memcpy(r->k_re, k_re, EAP_AKA_PRIME_K_RE_LEN);
+
+	return 0;
+}
+#endif /* EAP_SERVER_AKA_PRIME */
+
+
+/**
+ * eap_sim_db_get_permanent - EAP-SIM DB: Get permanent identity
+ * @priv: Private data pointer from eap_sim_db_init()
+ * @identity: Identity of the user (may be permanent identity or pseudonym)
+ * @identity_len: Length of identity
+ * @len: Buffer for length of the returned permanent identity
+ * Returns: Pointer to the permanent identity, or %NULL if not found
+ */
+const u8 * eap_sim_db_get_permanent(void *priv, const u8 *identity,
+				    size_t identity_len, size_t *len)
+{
+	struct eap_sim_db_data *data = priv;
+	struct eap_sim_pseudonym *p;
+
+	if (identity == NULL)
+		return NULL;
+
+	p = eap_sim_db_get_pseudonym(data, identity, identity_len);
+	if (p == NULL)
+		p = eap_sim_db_get_pseudonym_id(data, identity, identity_len);
+	if (p == NULL)
+		return NULL;
+
+	*len = p->identity_len;
+	return p->identity;
+}
+
+
+/**
+ * eap_sim_db_get_reauth_entry - EAP-SIM DB: Get re-authentication entry
+ * @priv: Private data pointer from eap_sim_db_init()
+ * @identity: Identity of the user (may be permanent identity, pseudonym, or
+ * reauth_id)
+ * @identity_len: Length of identity
+ * Returns: Pointer to the re-auth entry, or %NULL if not found
+ */
+struct eap_sim_reauth *
+eap_sim_db_get_reauth_entry(void *priv, const u8 *identity,
+			    size_t identity_len)
+{
+	struct eap_sim_db_data *data = priv;
+	struct eap_sim_reauth *r;
+
+	if (identity == NULL)
+		return NULL;
+	r = eap_sim_db_get_reauth(data, identity, identity_len);
+	if (r == NULL)
+		r = eap_sim_db_get_reauth_id(data, identity, identity_len);
+	return r;
+}
+
+
+/**
+ * eap_sim_db_remove_reauth - EAP-SIM DB: Remove re-authentication entry
+ * @priv: Private data pointer from eap_sim_db_init()
+ * @reauth: Pointer to re-authentication entry from
+ * eap_sim_db_get_reauth_entry()
+ */
+void eap_sim_db_remove_reauth(void *priv, struct eap_sim_reauth *reauth)
+{
+	struct eap_sim_db_data *data = priv;
+	struct eap_sim_reauth *r, *prev = NULL;
+	r = data->reauths;
+	while (r) {
+		if (r == reauth) {
+			if (prev)
+				prev->next = r->next;
+			else
+				data->reauths = r->next;
+			eap_sim_db_free_reauth(r);
+			return;
+		}
+		prev = r;
+		r = r->next;
+	}
+}
+
+
+/**
+ * eap_sim_db_get_aka_auth - Get AKA authentication values
+ * @priv: Private data pointer from eap_sim_db_init()
+ * @identity: User name identity
+ * @identity_len: Length of identity in bytes
+ * @_rand: Buffer for RAND value
+ * @autn: Buffer for AUTN value
+ * @ik: Buffer for IK value
+ * @ck: Buffer for CK value
+ * @res: Buffer for RES value
+ * @res_len: Buffer for RES length
+ * @cb_session_ctx: Session callback context for get_complete_cb()
+ * Returns: 0 on success, -1 (EAP_SIM_DB_FAILURE) on error (e.g., user not
+ * found), or -2 (EAP_SIM_DB_PENDING) if results are not yet available. In this
+ * case, the callback function registered with eap_sim_db_init() will be
+ * called once the results become available.
+ *
+ * In most cases, the user name is '0' | IMSI, i.e., 0 followed by the IMSI in
+ * ASCII format.
+ *
+ * When using an external server for AKA authentication, this function can
+ * always start a request and return EAP_SIM_DB_PENDING immediately if
+ * authentication triplets are not available. Once the authentication data are
+ * received, callback function registered with eap_sim_db_init() is called to
+ * notify EAP state machine to reprocess the message. This
+ * eap_sim_db_get_aka_auth() function will then be called again and the newly
+ * received triplets will then be given to the caller.
+ */
+int eap_sim_db_get_aka_auth(void *priv, const u8 *identity,
+			    size_t identity_len, u8 *_rand, u8 *autn, u8 *ik,
+			    u8 *ck, u8 *res, size_t *res_len,
+			    void *cb_session_ctx)
+{
+	struct eap_sim_db_data *data = priv;
+	struct eap_sim_db_pending *entry;
+	int len;
+	size_t i;
+	char msg[40];
+
+	if (identity_len < 2 || identity == NULL ||
+	    identity[0] != EAP_AKA_PERMANENT_PREFIX) {
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-SIM DB: unexpected identity",
+				  identity, identity_len);
+		return EAP_SIM_DB_FAILURE;
+	}
+	identity++;
+	identity_len--;
+	for (i = 0; i < identity_len; i++) {
+		if (identity[i] == '@') {
+			identity_len = i;
+			break;
+		}
+	}
+	if (identity_len + 1 > sizeof(entry->imsi)) {
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-SIM DB: unexpected identity",
+				  identity, identity_len);
+		return EAP_SIM_DB_FAILURE;
+	}
+	wpa_hexdump_ascii(MSG_DEBUG, "EAP-SIM DB: Get AKA auth for IMSI",
+			  identity, identity_len);
+
+	entry = eap_sim_db_get_pending(data, identity, identity_len, 1);
+	if (entry) {
+		if (entry->state == FAILURE) {
+			os_free(entry);
+			wpa_printf(MSG_DEBUG, "EAP-SIM DB: Failure");
+			return EAP_SIM_DB_FAILURE;
+		}
+
+		if (entry->state == PENDING) {
+			eap_sim_db_add_pending(data, entry);
+			wpa_printf(MSG_DEBUG, "EAP-SIM DB: Pending");
+			return EAP_SIM_DB_PENDING;
+		}
+
+		wpa_printf(MSG_DEBUG, "EAP-SIM DB: Returning successfully "
+			   "received authentication data");
+		os_memcpy(_rand, entry->u.aka.rand, EAP_AKA_RAND_LEN);
+		os_memcpy(autn, entry->u.aka.autn, EAP_AKA_AUTN_LEN);
+		os_memcpy(ik, entry->u.aka.ik, EAP_AKA_IK_LEN);
+		os_memcpy(ck, entry->u.aka.ck, EAP_AKA_CK_LEN);
+		os_memcpy(res, entry->u.aka.res, EAP_AKA_RES_MAX_LEN);
+		*res_len = entry->u.aka.res_len;
+		os_free(entry);
+		return 0;
+	}
+
+	if (data->sock < 0) {
+		if (eap_sim_db_open_socket(data) < 0)
+			return EAP_SIM_DB_FAILURE;
+	}
+
+	len = os_snprintf(msg, sizeof(msg), "AKA-REQ-AUTH ");
+	if (len < 0 || len + identity_len >= sizeof(msg))
+		return EAP_SIM_DB_FAILURE;
+	os_memcpy(msg + len, identity, identity_len);
+	len += identity_len;
+
+	wpa_hexdump(MSG_DEBUG, "EAP-SIM DB: requesting AKA authentication "
+		    "data for IMSI", identity, identity_len);
+	if (eap_sim_db_send(data, msg, len) < 0)
+		return EAP_SIM_DB_FAILURE;
+
+	entry = os_zalloc(sizeof(*entry));
+	if (entry == NULL)
+		return EAP_SIM_DB_FAILURE;
+
+	os_get_time(&entry->timestamp);
+	entry->aka = 1;
+	os_memcpy(entry->imsi, identity, identity_len);
+	entry->imsi_len = identity_len;
+	entry->cb_session_ctx = cb_session_ctx;
+	entry->state = PENDING;
+	eap_sim_db_add_pending(data, entry);
+	eap_sim_db_expire_pending(data);
+
+	return EAP_SIM_DB_PENDING;
+}
+
+
+/**
+ * eap_sim_db_resynchronize - Resynchronize AKA AUTN
+ * @priv: Private data pointer from eap_sim_db_init()
+ * @identity: User name identity
+ * @identity_len: Length of identity in bytes
+ * @auts: AUTS value from the peer
+ * @_rand: RAND value used in the rejected message
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is called when the peer reports synchronization failure in the
+ * AUTN value by sending AUTS. The AUTS and RAND values should be sent to
+ * HLR/AuC to allow it to resynchronize with the peer. After this,
+ * eap_sim_db_get_aka_auth() will be called again to to fetch updated
+ * RAND/AUTN values for the next challenge.
+ */
+int eap_sim_db_resynchronize(void *priv, const u8 *identity,
+			     size_t identity_len, const u8 *auts,
+			     const u8 *_rand)
+{
+	struct eap_sim_db_data *data = priv;
+	size_t i;
+
+	if (identity_len < 2 || identity == NULL ||
+	    identity[0] != EAP_AKA_PERMANENT_PREFIX) {
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-SIM DB: unexpected identity",
+				  identity, identity_len);
+		return -1;
+	}
+	identity++;
+	identity_len--;
+	for (i = 0; i < identity_len; i++) {
+		if (identity[i] == '@') {
+			identity_len = i;
+			break;
+		}
+	}
+	if (identity_len > 20) {
+		wpa_hexdump_ascii(MSG_DEBUG, "EAP-SIM DB: unexpected identity",
+				  identity, identity_len);
+		return -1;
+	}
+
+	if (data->sock >= 0) {
+		char msg[100];
+		int len, ret;
+
+		len = os_snprintf(msg, sizeof(msg), "AKA-AUTS ");
+		if (len < 0 || len + identity_len >= sizeof(msg))
+			return -1;
+		os_memcpy(msg + len, identity, identity_len);
+		len += identity_len;
+
+		ret = os_snprintf(msg + len, sizeof(msg) - len, " ");
+		if (ret < 0 || (size_t) ret >= sizeof(msg) - len)
+			return -1;
+		len += ret;
+		len += wpa_snprintf_hex(msg + len, sizeof(msg) - len,
+					auts, EAP_AKA_AUTS_LEN);
+		ret = os_snprintf(msg + len, sizeof(msg) - len, " ");
+		if (ret < 0 || (size_t) ret >= sizeof(msg) - len)
+			return -1;
+		len += ret;
+		len += wpa_snprintf_hex(msg + len, sizeof(msg) - len,
+					_rand, EAP_AKA_RAND_LEN);
+		wpa_hexdump(MSG_DEBUG, "EAP-SIM DB: reporting AKA AUTS for "
+			    "IMSI", identity, identity_len);
+		if (eap_sim_db_send(data, msg, len) < 0)
+			return -1;
+	}
+
+	return 0;
+}
diff --git a/src/eap_server/eap_sim_db.h b/src/eap_server/eap_sim_db.h
new file mode 100644
index 0000000..ab89ae9
--- /dev/null
+++ b/src/eap_server/eap_sim_db.h
@@ -0,0 +1,91 @@
+/*
+ * hostapd / EAP-SIM database/authenticator gateway
+ * Copyright (c) 2005-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_SIM_DB_H
+#define EAP_SIM_DB_H
+
+#include "eap_common/eap_sim_common.h"
+
+/* Identity prefixes */
+#define EAP_SIM_PERMANENT_PREFIX '1'
+#define EAP_SIM_PSEUDONYM_PREFIX '3'
+#define EAP_SIM_REAUTH_ID_PREFIX '5'
+#define EAP_AKA_PERMANENT_PREFIX '0'
+#define EAP_AKA_PSEUDONYM_PREFIX '2'
+#define EAP_AKA_REAUTH_ID_PREFIX '4'
+
+void * eap_sim_db_init(const char *config,
+		       void (*get_complete_cb)(void *ctx, void *session_ctx),
+		       void *ctx);
+
+void eap_sim_db_deinit(void *priv);
+
+int eap_sim_db_get_gsm_triplets(void *priv, const u8 *identity,
+				size_t identity_len, int max_chal,
+				u8 *_rand, u8 *kc, u8 *sres,
+				void *cb_session_ctx);
+
+#define EAP_SIM_DB_FAILURE -1
+#define EAP_SIM_DB_PENDING -2
+
+int eap_sim_db_identity_known(void *priv, const u8 *identity,
+			      size_t identity_len);
+
+char * eap_sim_db_get_next_pseudonym(void *priv, int aka);
+
+char * eap_sim_db_get_next_reauth_id(void *priv, int aka);
+
+int eap_sim_db_add_pseudonym(void *priv, const u8 *identity,
+			     size_t identity_len, char *pseudonym);
+
+int eap_sim_db_add_reauth(void *priv, const u8 *identity,
+			  size_t identity_len, char *reauth_id, u16 counter,
+			  const u8 *mk);
+int eap_sim_db_add_reauth_prime(void *priv, const u8 *identity,
+				size_t identity_len, char *reauth_id,
+				u16 counter, const u8 *k_encr, const u8 *k_aut,
+				const u8 *k_re);
+
+const u8 * eap_sim_db_get_permanent(void *priv, const u8 *identity,
+				    size_t identity_len, size_t *len);
+
+struct eap_sim_reauth {
+	struct eap_sim_reauth *next;
+	u8 *identity;
+	size_t identity_len;
+	char *reauth_id;
+	u16 counter;
+	int aka_prime;
+	u8 mk[EAP_SIM_MK_LEN];
+	u8 k_encr[EAP_SIM_K_ENCR_LEN];
+	u8 k_aut[EAP_AKA_PRIME_K_AUT_LEN];
+	u8 k_re[EAP_AKA_PRIME_K_RE_LEN];
+};
+
+struct eap_sim_reauth *
+eap_sim_db_get_reauth_entry(void *priv, const u8 *identity,
+			    size_t identity_len);
+
+void eap_sim_db_remove_reauth(void *priv, struct eap_sim_reauth *reauth);
+
+int eap_sim_db_get_aka_auth(void *priv, const u8 *identity,
+			    size_t identity_len, u8 *_rand, u8 *autn, u8 *ik,
+			    u8 *ck, u8 *res, size_t *res_len,
+			    void *cb_session_ctx);
+
+int eap_sim_db_resynchronize(void *priv, const u8 *identity,
+			     size_t identity_len, const u8 *auts,
+			     const u8 *_rand);
+
+#endif /* EAP_SIM_DB_H */
diff --git a/src/eap_server/eap_tls_common.h b/src/eap_server/eap_tls_common.h
new file mode 100644
index 0000000..c34c401
--- /dev/null
+++ b/src/eap_server/eap_tls_common.h
@@ -0,0 +1,91 @@
+/*
+ * EAP-TLS/PEAP/TTLS/FAST server common functions
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAP_TLS_COMMON_H
+#define EAP_TLS_COMMON_H
+
+/**
+ * struct eap_ssl_data - TLS data for EAP methods
+ */
+struct eap_ssl_data {
+	/**
+	 * conn - TLS connection context data from tls_connection_init()
+	 */
+	struct tls_connection *conn;
+
+	/**
+	 * tls_out - TLS message to be sent out in fragments
+	 */
+	struct wpabuf *tls_out;
+
+	/**
+	 * tls_out_pos - The current position in the outgoing TLS message
+	 */
+	size_t tls_out_pos;
+
+	/**
+	 * tls_out_limit - Maximum fragment size for outgoing TLS messages
+	 */
+	size_t tls_out_limit;
+
+	/**
+	 * tls_in - Received TLS message buffer for re-assembly
+	 */
+	struct wpabuf *tls_in;
+
+	/**
+	 * phase2 - Whether this TLS connection is used in EAP phase 2 (tunnel)
+	 */
+	int phase2;
+
+	/**
+	 * eap - EAP state machine allocated with eap_server_sm_init()
+	 */
+	struct eap_sm *eap;
+
+	enum { MSG, FRAG_ACK, WAIT_FRAG_ACK } state;
+	struct wpabuf tmpbuf;
+};
+
+
+/* EAP TLS Flags */
+#define EAP_TLS_FLAGS_LENGTH_INCLUDED 0x80
+#define EAP_TLS_FLAGS_MORE_FRAGMENTS 0x40
+#define EAP_TLS_FLAGS_START 0x20
+#define EAP_TLS_VERSION_MASK 0x07
+
+ /* could be up to 128 bytes, but only the first 64 bytes are used */
+#define EAP_TLS_KEY_LEN 64
+
+
+int eap_server_tls_ssl_init(struct eap_sm *sm, struct eap_ssl_data *data,
+			    int verify_peer);
+void eap_server_tls_ssl_deinit(struct eap_sm *sm, struct eap_ssl_data *data);
+u8 * eap_server_tls_derive_key(struct eap_sm *sm, struct eap_ssl_data *data,
+			       char *label, size_t len);
+struct wpabuf * eap_server_tls_build_msg(struct eap_ssl_data *data,
+					 int eap_type, int version, u8 id);
+struct wpabuf * eap_server_tls_build_ack(u8 id, int eap_type, int version);
+int eap_server_tls_phase1(struct eap_sm *sm, struct eap_ssl_data *data);
+struct wpabuf * eap_server_tls_encrypt(struct eap_sm *sm,
+				       struct eap_ssl_data *data,
+				       const struct wpabuf *plain);
+int eap_server_tls_process(struct eap_sm *sm, struct eap_ssl_data *data,
+			   struct wpabuf *respData, void *priv, int eap_type,
+			   int (*proc_version)(struct eap_sm *sm, void *priv,
+					       int peer_version),
+			   void (*proc_msg)(struct eap_sm *sm, void *priv,
+					    const struct wpabuf *respData));
+
+#endif /* EAP_TLS_COMMON_H */
diff --git a/src/eap_server/ikev2.c b/src/eap_server/ikev2.c
new file mode 100644
index 0000000..9624d53
--- /dev/null
+++ b/src/eap_server/ikev2.c
@@ -0,0 +1,1206 @@
+/*
+ * IKEv2 initiator (RFC 4306) for EAP-IKEV2
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/dh_groups.h"
+#include "crypto/random.h"
+#include "ikev2.h"
+
+
+static int ikev2_process_idr(struct ikev2_initiator_data *data,
+			     const u8 *idr, size_t idr_len);
+
+
+void ikev2_initiator_deinit(struct ikev2_initiator_data *data)
+{
+	ikev2_free_keys(&data->keys);
+	wpabuf_free(data->r_dh_public);
+	wpabuf_free(data->i_dh_private);
+	os_free(data->IDi);
+	os_free(data->IDr);
+	os_free(data->shared_secret);
+	wpabuf_free(data->i_sign_msg);
+	wpabuf_free(data->r_sign_msg);
+	os_free(data->key_pad);
+}
+
+
+static int ikev2_derive_keys(struct ikev2_initiator_data *data)
+{
+	u8 *buf, *pos, *pad, skeyseed[IKEV2_MAX_HASH_LEN];
+	size_t buf_len, pad_len;
+	struct wpabuf *shared;
+	const struct ikev2_integ_alg *integ;
+	const struct ikev2_prf_alg *prf;
+	const struct ikev2_encr_alg *encr;
+	int ret;
+	const u8 *addr[2];
+	size_t len[2];
+
+	/* RFC 4306, Sect. 2.14 */
+
+	integ = ikev2_get_integ(data->proposal.integ);
+	prf = ikev2_get_prf(data->proposal.prf);
+	encr = ikev2_get_encr(data->proposal.encr);
+	if (integ == NULL || prf == NULL || encr == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: Unsupported proposal");
+		return -1;
+	}
+
+	shared = dh_derive_shared(data->r_dh_public, data->i_dh_private,
+				  data->dh);
+	if (shared == NULL)
+		return -1;
+
+	/* Construct Ni | Nr | SPIi | SPIr */
+
+	buf_len = data->i_nonce_len + data->r_nonce_len + 2 * IKEV2_SPI_LEN;
+	buf = os_malloc(buf_len);
+	if (buf == NULL) {
+		wpabuf_free(shared);
+		return -1;
+	}
+
+	pos = buf;
+	os_memcpy(pos, data->i_nonce, data->i_nonce_len);
+	pos += data->i_nonce_len;
+	os_memcpy(pos, data->r_nonce, data->r_nonce_len);
+	pos += data->r_nonce_len;
+	os_memcpy(pos, data->i_spi, IKEV2_SPI_LEN);
+	pos += IKEV2_SPI_LEN;
+	os_memcpy(pos, data->r_spi, IKEV2_SPI_LEN);
+
+	/* SKEYSEED = prf(Ni | Nr, g^ir) */
+
+	/* Use zero-padding per RFC 4306, Sect. 2.14 */
+	pad_len = data->dh->prime_len - wpabuf_len(shared);
+	pad = os_zalloc(pad_len ? pad_len : 1);
+	if (pad == NULL) {
+		wpabuf_free(shared);
+		os_free(buf);
+		return -1;
+	}
+	addr[0] = pad;
+	len[0] = pad_len;
+	addr[1] = wpabuf_head(shared);
+	len[1] = wpabuf_len(shared);
+	if (ikev2_prf_hash(prf->id, buf, data->i_nonce_len + data->r_nonce_len,
+			   2, addr, len, skeyseed) < 0) {
+		wpabuf_free(shared);
+		os_free(buf);
+		os_free(pad);
+		return -1;
+	}
+	os_free(pad);
+	wpabuf_free(shared);
+
+	/* DH parameters are not needed anymore, so free them */
+	wpabuf_free(data->r_dh_public);
+	data->r_dh_public = NULL;
+	wpabuf_free(data->i_dh_private);
+	data->i_dh_private = NULL;
+
+	wpa_hexdump_key(MSG_DEBUG, "IKEV2: SKEYSEED",
+			skeyseed, prf->hash_len);
+
+	ret = ikev2_derive_sk_keys(prf, integ, encr, skeyseed, buf, buf_len,
+				   &data->keys);
+	os_free(buf);
+	return ret;
+}
+
+
+static int ikev2_parse_transform(struct ikev2_initiator_data *data,
+				 struct ikev2_proposal_data *prop,
+				 const u8 *pos, const u8 *end)
+{
+	int transform_len;
+	const struct ikev2_transform *t;
+	u16 transform_id;
+	const u8 *tend;
+
+	if (end - pos < (int) sizeof(*t)) {
+		wpa_printf(MSG_INFO, "IKEV2: Too short transform");
+		return -1;
+	}
+
+	t = (const struct ikev2_transform *) pos;
+	transform_len = WPA_GET_BE16(t->transform_length);
+	if (transform_len < (int) sizeof(*t) || pos + transform_len > end) {
+		wpa_printf(MSG_INFO, "IKEV2: Invalid transform length %d",
+			   transform_len);
+		return -1;
+	}
+	tend = pos + transform_len;
+
+	transform_id = WPA_GET_BE16(t->transform_id);
+
+	wpa_printf(MSG_DEBUG, "IKEV2:   Transform:");
+	wpa_printf(MSG_DEBUG, "IKEV2:     Type: %d  Transform Length: %d  "
+		   "Transform Type: %d  Transform ID: %d",
+		   t->type, transform_len, t->transform_type, transform_id);
+
+	if (t->type != 0 && t->type != 3) {
+		wpa_printf(MSG_INFO, "IKEV2: Unexpected Transform type");
+		return -1;
+	}
+
+	pos = (const u8 *) (t + 1);
+	if (pos < tend) {
+		wpa_hexdump(MSG_DEBUG, "IKEV2:     Transform Attributes",
+			    pos, tend - pos);
+	}
+
+	switch (t->transform_type) {
+	case IKEV2_TRANSFORM_ENCR:
+		if (ikev2_get_encr(transform_id) &&
+		    transform_id == data->proposal.encr) {
+			if (transform_id == ENCR_AES_CBC) {
+				if (tend - pos != 4) {
+					wpa_printf(MSG_DEBUG, "IKEV2: No "
+						   "Transform Attr for AES");
+					break;
+				}
+				if (WPA_GET_BE16(pos) != 0x800e) {
+					wpa_printf(MSG_DEBUG, "IKEV2: Not a "
+						   "Key Size attribute for "
+						   "AES");
+					break;
+				}
+				if (WPA_GET_BE16(pos + 2) != 128) {
+					wpa_printf(MSG_DEBUG, "IKEV2: "
+						   "Unsupported AES key size "
+						   "%d bits",
+						   WPA_GET_BE16(pos + 2));
+					break;
+				}
+			}
+			prop->encr = transform_id;
+		}
+		break;
+	case IKEV2_TRANSFORM_PRF:
+		if (ikev2_get_prf(transform_id) &&
+		    transform_id == data->proposal.prf)
+			prop->prf = transform_id;
+		break;
+	case IKEV2_TRANSFORM_INTEG:
+		if (ikev2_get_integ(transform_id) &&
+		    transform_id == data->proposal.integ)
+			prop->integ = transform_id;
+		break;
+	case IKEV2_TRANSFORM_DH:
+		if (dh_groups_get(transform_id) &&
+		    transform_id == data->proposal.dh)
+			prop->dh = transform_id;
+		break;
+	}
+
+	return transform_len;
+}
+
+
+static int ikev2_parse_proposal(struct ikev2_initiator_data *data,
+				struct ikev2_proposal_data *prop,
+				const u8 *pos, const u8 *end)
+{
+	const u8 *pend, *ppos;
+	int proposal_len, i;
+	const struct ikev2_proposal *p;
+
+	if (end - pos < (int) sizeof(*p)) {
+		wpa_printf(MSG_INFO, "IKEV2: Too short proposal");
+		return -1;
+	}
+
+	p = (const struct ikev2_proposal *) pos;
+	proposal_len = WPA_GET_BE16(p->proposal_length);
+	if (proposal_len < (int) sizeof(*p) || pos + proposal_len > end) {
+		wpa_printf(MSG_INFO, "IKEV2: Invalid proposal length %d",
+			   proposal_len);
+		return -1;
+	}
+	wpa_printf(MSG_DEBUG, "IKEV2: SAi1 Proposal # %d",
+		   p->proposal_num);
+	wpa_printf(MSG_DEBUG, "IKEV2:   Type: %d  Proposal Length: %d "
+		   " Protocol ID: %d",
+		   p->type, proposal_len, p->protocol_id);
+	wpa_printf(MSG_DEBUG, "IKEV2:   SPI Size: %d  Transforms: %d",
+		   p->spi_size, p->num_transforms);
+
+	if (p->type != 0 && p->type != 2) {
+		wpa_printf(MSG_INFO, "IKEV2: Unexpected Proposal type");
+		return -1;
+	}
+
+	if (p->protocol_id != IKEV2_PROTOCOL_IKE) {
+		wpa_printf(MSG_DEBUG, "IKEV2: Unexpected Protocol ID "
+			   "(only IKE allowed for EAP-IKEv2)");
+		return -1;
+	}
+
+	if (p->proposal_num != prop->proposal_num) {
+		if (p->proposal_num == prop->proposal_num + 1)
+			prop->proposal_num = p->proposal_num;
+		else {
+			wpa_printf(MSG_INFO, "IKEV2: Unexpected Proposal #");
+			return -1;
+		}
+	}
+
+	ppos = (const u8 *) (p + 1);
+	pend = pos + proposal_len;
+	if (ppos + p->spi_size > pend) {
+		wpa_printf(MSG_INFO, "IKEV2: Not enough room for SPI "
+			   "in proposal");
+		return -1;
+	}
+	if (p->spi_size) {
+		wpa_hexdump(MSG_DEBUG, "IKEV2:    SPI",
+			    ppos, p->spi_size);
+		ppos += p->spi_size;
+	}
+
+	/*
+	 * For initial IKE_SA negotiation, SPI Size MUST be zero; for
+	 * subsequent negotiations, it must be 8 for IKE. We only support
+	 * initial case for now.
+	 */
+	if (p->spi_size != 0) {
+		wpa_printf(MSG_INFO, "IKEV2: Unexpected SPI Size");
+		return -1;
+	}
+
+	if (p->num_transforms == 0) {
+		wpa_printf(MSG_INFO, "IKEV2: At least one transform required");
+		return -1;
+	}
+
+	for (i = 0; i < (int) p->num_transforms; i++) {
+		int tlen = ikev2_parse_transform(data, prop, ppos, pend);
+		if (tlen < 0)
+			return -1;
+		ppos += tlen;
+	}
+
+	if (ppos != pend) {
+		wpa_printf(MSG_INFO, "IKEV2: Unexpected data after "
+			   "transforms");
+		return -1;
+	}
+
+	return proposal_len;
+}
+
+
+static int ikev2_process_sar1(struct ikev2_initiator_data *data,
+			      const u8 *sar1, size_t sar1_len)
+{
+	struct ikev2_proposal_data prop;
+	const u8 *pos, *end;
+	int found = 0;
+
+	/* Security Association Payloads: <Proposals> */
+
+	if (sar1 == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: SAr1 not received");
+		return -1;
+	}
+
+	os_memset(&prop, 0, sizeof(prop));
+	prop.proposal_num = 1;
+
+	pos = sar1;
+	end = sar1 + sar1_len;
+
+	while (pos < end) {
+		int plen;
+
+		prop.integ = -1;
+		prop.prf = -1;
+		prop.encr = -1;
+		prop.dh = -1;
+		plen = ikev2_parse_proposal(data, &prop, pos, end);
+		if (plen < 0)
+			return -1;
+
+		if (!found && prop.integ != -1 && prop.prf != -1 &&
+		    prop.encr != -1 && prop.dh != -1) {
+			found = 1;
+		}
+
+		pos += plen;
+
+		/* Only one proposal expected in SAr */
+		break;
+	}
+
+	if (pos != end) {
+		wpa_printf(MSG_INFO, "IKEV2: Unexpected data after proposal");
+		return -1;
+	}
+
+	if (!found) {
+		wpa_printf(MSG_INFO, "IKEV2: No acceptable proposal found");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Accepted proposal #%d: ENCR:%d PRF:%d "
+		   "INTEG:%d D-H:%d", data->proposal.proposal_num,
+		   data->proposal.encr, data->proposal.prf,
+		   data->proposal.integ, data->proposal.dh);
+
+	return 0;
+}
+
+
+static int ikev2_process_ker(struct ikev2_initiator_data *data,
+			     const u8 *ker, size_t ker_len)
+{
+	u16 group;
+
+	/*
+	 * Key Exchange Payload:
+	 * DH Group # (16 bits)
+	 * RESERVED (16 bits)
+	 * Key Exchange Data (Diffie-Hellman public value)
+	 */
+
+	if (ker == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: KEr not received");
+		return -1;
+	}
+
+	if (ker_len < 4 + 96) {
+		wpa_printf(MSG_INFO, "IKEV2: Too show Key Exchange Payload");
+		return -1;
+	}
+
+	group = WPA_GET_BE16(ker);
+	wpa_printf(MSG_DEBUG, "IKEV2: KEr DH Group #%u", group);
+
+	if (group != data->proposal.dh) {
+		wpa_printf(MSG_DEBUG, "IKEV2: KEr DH Group #%u does not match "
+			   "with the selected proposal (%u)",
+			   group, data->proposal.dh);
+		return -1;
+	}
+
+	if (data->dh == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: Unsupported DH group");
+		return -1;
+	}
+
+	/* RFC 4306, Section 3.4:
+	 * The length of DH public value MUST be equal to the lenght of the
+	 * prime modulus.
+	 */
+	if (ker_len - 4 != data->dh->prime_len) {
+		wpa_printf(MSG_INFO, "IKEV2: Invalid DH public value length "
+			   "%ld (expected %ld)",
+			   (long) (ker_len - 4), (long) data->dh->prime_len);
+		return -1;
+	}
+
+	wpabuf_free(data->r_dh_public);
+	data->r_dh_public = wpabuf_alloc_copy(ker + 4, ker_len - 4);
+	if (data->r_dh_public == NULL)
+		return -1;
+
+	wpa_hexdump_buf(MSG_DEBUG, "IKEV2: KEr Diffie-Hellman Public Value",
+			data->r_dh_public);
+	
+	return 0;
+}
+
+
+static int ikev2_process_nr(struct ikev2_initiator_data *data,
+			    const u8 *nr, size_t nr_len)
+{
+	if (nr == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: Nr not received");
+		return -1;
+	}
+
+	if (nr_len < IKEV2_NONCE_MIN_LEN || nr_len > IKEV2_NONCE_MAX_LEN) {
+		wpa_printf(MSG_INFO, "IKEV2: Invalid Nr length %ld",
+			   (long) nr_len);
+		return -1;
+	}
+
+	data->r_nonce_len = nr_len;
+	os_memcpy(data->r_nonce, nr, nr_len);
+	wpa_hexdump(MSG_MSGDUMP, "IKEV2: Nr",
+		    data->r_nonce, data->r_nonce_len);
+
+	return 0;
+}
+
+
+static int ikev2_process_sa_init_encr(struct ikev2_initiator_data *data,
+				      const struct ikev2_hdr *hdr,
+				      const u8 *encrypted,
+				      size_t encrypted_len, u8 next_payload)
+{
+	u8 *decrypted;
+	size_t decrypted_len;
+	struct ikev2_payloads pl;
+	int ret = 0;
+
+	decrypted = ikev2_decrypt_payload(data->proposal.encr,
+					  data->proposal.integ, &data->keys, 0,
+					  hdr, encrypted, encrypted_len,
+					  &decrypted_len);
+	if (decrypted == NULL)
+		return -1;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Processing decrypted payloads");
+
+	if (ikev2_parse_payloads(&pl, next_payload, decrypted,
+				 decrypted + decrypted_len) < 0) {
+		wpa_printf(MSG_INFO, "IKEV2: Failed to parse decrypted "
+			   "payloads");
+		return -1;
+	}
+
+	if (pl.idr)
+		ret = ikev2_process_idr(data, pl.idr, pl.idr_len);
+
+	os_free(decrypted);
+
+	return ret;
+}
+
+
+static int ikev2_process_sa_init(struct ikev2_initiator_data *data,
+				 const struct ikev2_hdr *hdr,
+				 struct ikev2_payloads *pl)
+{
+	if (ikev2_process_sar1(data, pl->sa, pl->sa_len) < 0 ||
+	    ikev2_process_ker(data, pl->ke, pl->ke_len) < 0 ||
+	    ikev2_process_nr(data, pl->nonce, pl->nonce_len) < 0)
+		return -1;
+
+	os_memcpy(data->r_spi, hdr->r_spi, IKEV2_SPI_LEN);
+
+	if (ikev2_derive_keys(data) < 0)
+		return -1;
+
+	if (pl->encrypted) {
+		wpa_printf(MSG_DEBUG, "IKEV2: Encrypted payload in SA_INIT - "
+			   "try to get IDr from it");
+		if (ikev2_process_sa_init_encr(data, hdr, pl->encrypted,
+					       pl->encrypted_len,
+					       pl->encr_next_payload) < 0) {
+			wpa_printf(MSG_INFO, "IKEV2: Failed to process "
+				   "encrypted payload");
+			return -1;
+		}
+	}
+
+	data->state = SA_AUTH;
+
+	return 0;
+}
+
+
+static int ikev2_process_idr(struct ikev2_initiator_data *data,
+			     const u8 *idr, size_t idr_len)
+{
+	u8 id_type;
+
+	if (idr == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: No IDr received");
+		return -1;
+	}
+
+	if (idr_len < 4) {
+		wpa_printf(MSG_INFO, "IKEV2: Too short IDr payload");
+		return -1;
+	}
+
+	id_type = idr[0];
+	idr += 4;
+	idr_len -= 4;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: IDr ID Type %d", id_type);
+	wpa_hexdump_ascii(MSG_DEBUG, "IKEV2: IDr", idr, idr_len);
+	if (data->IDr) {
+		if (id_type != data->IDr_type || idr_len != data->IDr_len ||
+		    os_memcmp(idr, data->IDr, idr_len) != 0) {
+			wpa_printf(MSG_INFO, "IKEV2: IDr differs from the one "
+				   "received earlier");
+			wpa_printf(MSG_DEBUG, "IKEV2: Previous IDr ID Type %d",
+				   id_type);
+			wpa_hexdump_ascii(MSG_DEBUG, "Previous IKEV2: IDr",
+					  data->IDr, data->IDr_len);
+			return -1;
+		}
+		os_free(data->IDr);
+	}
+	data->IDr = os_malloc(idr_len);
+	if (data->IDr == NULL)
+		return -1;
+	os_memcpy(data->IDr, idr, idr_len);
+	data->IDr_len = idr_len;
+	data->IDr_type = id_type;
+
+	return 0;
+}
+
+
+static int ikev2_process_cert(struct ikev2_initiator_data *data,
+			      const u8 *cert, size_t cert_len)
+{
+	u8 cert_encoding;
+
+	if (cert == NULL) {
+		if (data->peer_auth == PEER_AUTH_CERT) {
+			wpa_printf(MSG_INFO, "IKEV2: No Certificate received");
+			return -1;
+		}
+		return 0;
+	}
+
+	if (cert_len < 1) {
+		wpa_printf(MSG_INFO, "IKEV2: No Cert Encoding field");
+		return -1;
+	}
+
+	cert_encoding = cert[0];
+	cert++;
+	cert_len--;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Cert Encoding %d", cert_encoding);
+	wpa_hexdump(MSG_MSGDUMP, "IKEV2: Certificate Data", cert, cert_len);
+
+	/* TODO: validate certificate */
+
+	return 0;
+}
+
+
+static int ikev2_process_auth_cert(struct ikev2_initiator_data *data,
+				   u8 method, const u8 *auth, size_t auth_len)
+{
+	if (method != AUTH_RSA_SIGN) {
+		wpa_printf(MSG_INFO, "IKEV2: Unsupported authentication "
+			   "method %d", method);
+		return -1;
+	}
+
+	/* TODO: validate AUTH */
+	return 0;
+}
+
+
+static int ikev2_process_auth_secret(struct ikev2_initiator_data *data,
+				     u8 method, const u8 *auth,
+				     size_t auth_len)
+{
+	u8 auth_data[IKEV2_MAX_HASH_LEN];
+	const struct ikev2_prf_alg *prf;
+
+	if (method != AUTH_SHARED_KEY_MIC) {
+		wpa_printf(MSG_INFO, "IKEV2: Unsupported authentication "
+			   "method %d", method);
+		return -1;
+	}
+
+	/* msg | Ni | prf(SK_pr,IDr') */
+	if (ikev2_derive_auth_data(data->proposal.prf, data->r_sign_msg,
+				   data->IDr, data->IDr_len, data->IDr_type,
+				   &data->keys, 0, data->shared_secret,
+				   data->shared_secret_len,
+				   data->i_nonce, data->i_nonce_len,
+				   data->key_pad, data->key_pad_len,
+				   auth_data) < 0) {
+		wpa_printf(MSG_INFO, "IKEV2: Could not derive AUTH data");
+		return -1;
+	}
+
+	wpabuf_free(data->r_sign_msg);
+	data->r_sign_msg = NULL;
+
+	prf = ikev2_get_prf(data->proposal.prf);
+	if (prf == NULL)
+		return -1;
+
+	if (auth_len != prf->hash_len ||
+	    os_memcmp(auth, auth_data, auth_len) != 0) {
+		wpa_printf(MSG_INFO, "IKEV2: Invalid Authentication Data");
+		wpa_hexdump(MSG_DEBUG, "IKEV2: Received Authentication Data",
+			    auth, auth_len);
+		wpa_hexdump(MSG_DEBUG, "IKEV2: Expected Authentication Data",
+			    auth_data, prf->hash_len);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Peer authenticated successfully "
+		   "using shared keys");
+
+	return 0;
+}
+
+
+static int ikev2_process_auth(struct ikev2_initiator_data *data,
+			      const u8 *auth, size_t auth_len)
+{
+	u8 auth_method;
+
+	if (auth == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: No Authentication Payload");
+		return -1;
+	}
+
+	if (auth_len < 4) {
+		wpa_printf(MSG_INFO, "IKEV2: Too short Authentication "
+			   "Payload");
+		return -1;
+	}
+
+	auth_method = auth[0];
+	auth += 4;
+	auth_len -= 4;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Auth Method %d", auth_method);
+	wpa_hexdump(MSG_MSGDUMP, "IKEV2: Authentication Data", auth, auth_len);
+
+	switch (data->peer_auth) {
+	case PEER_AUTH_CERT:
+		return ikev2_process_auth_cert(data, auth_method, auth,
+					       auth_len);
+	case PEER_AUTH_SECRET:
+		return ikev2_process_auth_secret(data, auth_method, auth,
+						 auth_len);
+	}
+
+	return -1;
+}
+
+
+static int ikev2_process_sa_auth_decrypted(struct ikev2_initiator_data *data,
+					   u8 next_payload,
+					   u8 *payload, size_t payload_len)
+{
+	struct ikev2_payloads pl;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Processing decrypted payloads");
+
+	if (ikev2_parse_payloads(&pl, next_payload, payload, payload +
+				 payload_len) < 0) {
+		wpa_printf(MSG_INFO, "IKEV2: Failed to parse decrypted "
+			   "payloads");
+		return -1;
+	}
+
+	if (ikev2_process_idr(data, pl.idr, pl.idr_len) < 0 ||
+	    ikev2_process_cert(data, pl.cert, pl.cert_len) < 0 ||
+	    ikev2_process_auth(data, pl.auth, pl.auth_len) < 0)
+		return -1;
+
+	return 0;
+}
+
+
+static int ikev2_process_sa_auth(struct ikev2_initiator_data *data,
+				 const struct ikev2_hdr *hdr,
+				 struct ikev2_payloads *pl)
+{
+	u8 *decrypted;
+	size_t decrypted_len;
+	int ret;
+
+	decrypted = ikev2_decrypt_payload(data->proposal.encr,
+					  data->proposal.integ,
+					  &data->keys, 0, hdr, pl->encrypted,
+					  pl->encrypted_len, &decrypted_len);
+	if (decrypted == NULL)
+		return -1;
+
+	ret = ikev2_process_sa_auth_decrypted(data, pl->encr_next_payload,
+					      decrypted, decrypted_len);
+	os_free(decrypted);
+
+	if (ret == 0 && !data->unknown_user) {
+		wpa_printf(MSG_DEBUG, "IKEV2: Authentication completed");
+		data->state = IKEV2_DONE;
+	}
+
+	return ret;
+}
+
+
+static int ikev2_validate_rx_state(struct ikev2_initiator_data *data,
+				   u8 exchange_type, u32 message_id)
+{
+	switch (data->state) {
+	case SA_INIT:
+		/* Expect to receive IKE_SA_INIT: HDR, SAr, KEr, Nr, [CERTREQ],
+		 * [SK{IDr}] */
+		if (exchange_type != IKE_SA_INIT) {
+			wpa_printf(MSG_INFO, "IKEV2: Unexpected Exchange Type "
+				   "%u in SA_INIT state", exchange_type);
+			return -1;
+		}
+		if (message_id != 0) {
+			wpa_printf(MSG_INFO, "IKEV2: Unexpected Message ID %u "
+				   "in SA_INIT state", message_id);
+			return -1;
+		}
+		break;
+	case SA_AUTH:
+		/* Expect to receive IKE_SA_AUTH:
+		 * HDR, SK {IDr, [CERT,] [CERTREQ,] [NFID,] AUTH}
+		 */
+		if (exchange_type != IKE_SA_AUTH) {
+			wpa_printf(MSG_INFO, "IKEV2: Unexpected Exchange Type "
+				   "%u in SA_AUTH state", exchange_type);
+			return -1;
+		}
+		if (message_id != 1) {
+			wpa_printf(MSG_INFO, "IKEV2: Unexpected Message ID %u "
+				   "in SA_AUTH state", message_id);
+			return -1;
+		}
+		break;
+	case CHILD_SA:
+		if (exchange_type != CREATE_CHILD_SA) {
+			wpa_printf(MSG_INFO, "IKEV2: Unexpected Exchange Type "
+				   "%u in CHILD_SA state", exchange_type);
+			return -1;
+		}
+		if (message_id != 2) {
+			wpa_printf(MSG_INFO, "IKEV2: Unexpected Message ID %u "
+				   "in CHILD_SA state", message_id);
+			return -1;
+		}
+		break;
+	case IKEV2_DONE:
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int ikev2_initiator_process(struct ikev2_initiator_data *data,
+			    const struct wpabuf *buf)
+{
+	const struct ikev2_hdr *hdr;
+	u32 length, message_id;
+	const u8 *pos, *end;
+	struct ikev2_payloads pl;
+
+	wpa_printf(MSG_MSGDUMP, "IKEV2: Received message (len %lu)",
+		   (unsigned long) wpabuf_len(buf));
+
+	if (wpabuf_len(buf) < sizeof(*hdr)) {
+		wpa_printf(MSG_INFO, "IKEV2: Too short frame to include HDR");
+		return -1;
+	}
+
+	hdr = (const struct ikev2_hdr *) wpabuf_head(buf);
+	end = wpabuf_head_u8(buf) + wpabuf_len(buf);
+	message_id = WPA_GET_BE32(hdr->message_id);
+	length = WPA_GET_BE32(hdr->length);
+
+	wpa_hexdump(MSG_DEBUG, "IKEV2:   IKE_SA Initiator's SPI",
+		    hdr->i_spi, IKEV2_SPI_LEN);
+	wpa_hexdump(MSG_DEBUG, "IKEV2:   IKE_SA Initiator's SPI",
+		    hdr->r_spi, IKEV2_SPI_LEN);
+	wpa_printf(MSG_DEBUG, "IKEV2:   Next Payload: %u  Version: 0x%x  "
+		   "Exchange Type: %u",
+		   hdr->next_payload, hdr->version, hdr->exchange_type);
+	wpa_printf(MSG_DEBUG, "IKEV2:   Message ID: %u  Length: %u",
+		   message_id, length);
+
+	if (hdr->version != IKEV2_VERSION) {
+		wpa_printf(MSG_INFO, "IKEV2: Unsupported HDR version 0x%x "
+			   "(expected 0x%x)", hdr->version, IKEV2_VERSION);
+		return -1;
+	}
+
+	if (length != wpabuf_len(buf)) {
+		wpa_printf(MSG_INFO, "IKEV2: Invalid length (HDR: %lu != "
+			   "RX: %lu)", (unsigned long) length,
+			   (unsigned long) wpabuf_len(buf));
+		return -1;
+	}
+
+	if (ikev2_validate_rx_state(data, hdr->exchange_type, message_id) < 0)
+		return -1;
+
+	if ((hdr->flags & (IKEV2_HDR_INITIATOR | IKEV2_HDR_RESPONSE)) !=
+	    IKEV2_HDR_RESPONSE) {
+		wpa_printf(MSG_INFO, "IKEV2: Unexpected Flags value 0x%x",
+			   hdr->flags);
+		return -1;
+	}
+
+	if (data->state != SA_INIT) {
+		if (os_memcmp(data->i_spi, hdr->i_spi, IKEV2_SPI_LEN) != 0) {
+			wpa_printf(MSG_INFO, "IKEV2: Unexpected IKE_SA "
+				   "Initiator's SPI");
+			return -1;
+		}
+		if (os_memcmp(data->r_spi, hdr->r_spi, IKEV2_SPI_LEN) != 0) {
+			wpa_printf(MSG_INFO, "IKEV2: Unexpected IKE_SA "
+				   "Responder's SPI");
+			return -1;
+		}
+	}
+
+	pos = (const u8 *) (hdr + 1);
+	if (ikev2_parse_payloads(&pl, hdr->next_payload, pos, end) < 0)
+		return -1;
+
+	switch (data->state) {
+	case SA_INIT:
+		if (ikev2_process_sa_init(data, hdr, &pl) < 0)
+			return -1;
+		wpabuf_free(data->r_sign_msg);
+		data->r_sign_msg = wpabuf_dup(buf);
+		break;
+	case SA_AUTH:
+		if (ikev2_process_sa_auth(data, hdr, &pl) < 0)
+			return -1;
+		break;
+	case CHILD_SA:
+	case IKEV2_DONE:
+		break;
+	}
+
+	return 0;
+}
+
+
+static void ikev2_build_hdr(struct ikev2_initiator_data *data,
+			    struct wpabuf *msg, u8 exchange_type,
+			    u8 next_payload, u32 message_id)
+{
+	struct ikev2_hdr *hdr;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Adding HDR");
+
+	/* HDR - RFC 4306, Sect. 3.1 */
+	hdr = wpabuf_put(msg, sizeof(*hdr));
+	os_memcpy(hdr->i_spi, data->i_spi, IKEV2_SPI_LEN);
+	os_memcpy(hdr->r_spi, data->r_spi, IKEV2_SPI_LEN);
+	hdr->next_payload = next_payload;
+	hdr->version = IKEV2_VERSION;
+	hdr->exchange_type = exchange_type;
+	hdr->flags = IKEV2_HDR_INITIATOR;
+	WPA_PUT_BE32(hdr->message_id, message_id);
+}
+
+
+static int ikev2_build_sai(struct ikev2_initiator_data *data,
+			    struct wpabuf *msg, u8 next_payload)
+{
+	struct ikev2_payload_hdr *phdr;
+	size_t plen;
+	struct ikev2_proposal *p;
+	struct ikev2_transform *t;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Adding SAi payload");
+
+	/* SAi1 - RFC 4306, Sect. 2.7 and 3.3 */
+	phdr = wpabuf_put(msg, sizeof(*phdr));
+	phdr->next_payload = next_payload;
+	phdr->flags = 0;
+
+	/* TODO: support for multiple proposals */
+	p = wpabuf_put(msg, sizeof(*p));
+	p->proposal_num = data->proposal.proposal_num;
+	p->protocol_id = IKEV2_PROTOCOL_IKE;
+	p->num_transforms = 4;
+
+	t = wpabuf_put(msg, sizeof(*t));
+	t->type = 3;
+	t->transform_type = IKEV2_TRANSFORM_ENCR;
+	WPA_PUT_BE16(t->transform_id, data->proposal.encr);
+	if (data->proposal.encr == ENCR_AES_CBC) {
+		/* Transform Attribute: Key Len = 128 bits */
+		wpabuf_put_be16(msg, 0x800e); /* AF=1, AttrType=14 */
+		wpabuf_put_be16(msg, 128); /* 128-bit key */
+	}
+	plen = (u8 *) wpabuf_put(msg, 0) - (u8 *) t;
+	WPA_PUT_BE16(t->transform_length, plen);
+
+	t = wpabuf_put(msg, sizeof(*t));
+	t->type = 3;
+	WPA_PUT_BE16(t->transform_length, sizeof(*t));
+	t->transform_type = IKEV2_TRANSFORM_PRF;
+	WPA_PUT_BE16(t->transform_id, data->proposal.prf);
+
+	t = wpabuf_put(msg, sizeof(*t));
+	t->type = 3;
+	WPA_PUT_BE16(t->transform_length, sizeof(*t));
+	t->transform_type = IKEV2_TRANSFORM_INTEG;
+	WPA_PUT_BE16(t->transform_id, data->proposal.integ);
+
+	t = wpabuf_put(msg, sizeof(*t));
+	WPA_PUT_BE16(t->transform_length, sizeof(*t));
+	t->transform_type = IKEV2_TRANSFORM_DH;
+	WPA_PUT_BE16(t->transform_id, data->proposal.dh);
+
+	plen = (u8 *) wpabuf_put(msg, 0) - (u8 *) p;
+	WPA_PUT_BE16(p->proposal_length, plen);
+
+	plen = (u8 *) wpabuf_put(msg, 0) - (u8 *) phdr;
+	WPA_PUT_BE16(phdr->payload_length, plen);
+
+	return 0;
+}
+
+
+static int ikev2_build_kei(struct ikev2_initiator_data *data,
+			   struct wpabuf *msg, u8 next_payload)
+{
+	struct ikev2_payload_hdr *phdr;
+	size_t plen;
+	struct wpabuf *pv;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Adding KEi payload");
+
+	data->dh = dh_groups_get(data->proposal.dh);
+	pv = dh_init(data->dh, &data->i_dh_private);
+	if (pv == NULL) {
+		wpa_printf(MSG_DEBUG, "IKEV2: Failed to initialize DH");
+		return -1;
+	}
+
+	/* KEi - RFC 4306, Sect. 3.4 */
+	phdr = wpabuf_put(msg, sizeof(*phdr));
+	phdr->next_payload = next_payload;
+	phdr->flags = 0;
+
+	wpabuf_put_be16(msg, data->proposal.dh); /* DH Group # */
+	wpabuf_put(msg, 2); /* RESERVED */
+	/*
+	 * RFC 4306, Sect. 3.4: possible zero padding for public value to
+	 * match the length of the prime.
+	 */
+	wpabuf_put(msg, data->dh->prime_len - wpabuf_len(pv));
+	wpabuf_put_buf(msg, pv);
+	os_free(pv);
+
+	plen = (u8 *) wpabuf_put(msg, 0) - (u8 *) phdr;
+	WPA_PUT_BE16(phdr->payload_length, plen);
+	return 0;
+}
+
+
+static int ikev2_build_ni(struct ikev2_initiator_data *data,
+			  struct wpabuf *msg, u8 next_payload)
+{
+	struct ikev2_payload_hdr *phdr;
+	size_t plen;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Adding Ni payload");
+
+	/* Ni - RFC 4306, Sect. 3.9 */
+	phdr = wpabuf_put(msg, sizeof(*phdr));
+	phdr->next_payload = next_payload;
+	phdr->flags = 0;
+	wpabuf_put_data(msg, data->i_nonce, data->i_nonce_len);
+	plen = (u8 *) wpabuf_put(msg, 0) - (u8 *) phdr;
+	WPA_PUT_BE16(phdr->payload_length, plen);
+	return 0;
+}
+
+
+static int ikev2_build_idi(struct ikev2_initiator_data *data,
+			   struct wpabuf *msg, u8 next_payload)
+{
+	struct ikev2_payload_hdr *phdr;
+	size_t plen;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Adding IDi payload");
+
+	if (data->IDi == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: No IDi available");
+		return -1;
+	}
+
+	/* IDi - RFC 4306, Sect. 3.5 */
+	phdr = wpabuf_put(msg, sizeof(*phdr));
+	phdr->next_payload = next_payload;
+	phdr->flags = 0;
+	wpabuf_put_u8(msg, ID_KEY_ID);
+	wpabuf_put(msg, 3); /* RESERVED */
+	wpabuf_put_data(msg, data->IDi, data->IDi_len);
+	plen = (u8 *) wpabuf_put(msg, 0) - (u8 *) phdr;
+	WPA_PUT_BE16(phdr->payload_length, plen);
+	return 0;
+}
+
+
+static int ikev2_build_auth(struct ikev2_initiator_data *data,
+			    struct wpabuf *msg, u8 next_payload)
+{
+	struct ikev2_payload_hdr *phdr;
+	size_t plen;
+	const struct ikev2_prf_alg *prf;
+
+	wpa_printf(MSG_DEBUG, "IKEV2: Adding AUTH payload");
+
+	prf = ikev2_get_prf(data->proposal.prf);
+	if (prf == NULL)
+		return -1;
+
+	/* Authentication - RFC 4306, Sect. 3.8 */
+	phdr = wpabuf_put(msg, sizeof(*phdr));
+	phdr->next_payload = next_payload;
+	phdr->flags = 0;
+	wpabuf_put_u8(msg, AUTH_SHARED_KEY_MIC);
+	wpabuf_put(msg, 3); /* RESERVED */
+
+	/* msg | Nr | prf(SK_pi,IDi') */
+	if (ikev2_derive_auth_data(data->proposal.prf, data->i_sign_msg,
+				   data->IDi, data->IDi_len, ID_KEY_ID,
+				   &data->keys, 1, data->shared_secret,
+				   data->shared_secret_len,
+				   data->r_nonce, data->r_nonce_len,
+				   data->key_pad, data->key_pad_len,
+				   wpabuf_put(msg, prf->hash_len)) < 0) {
+		wpa_printf(MSG_INFO, "IKEV2: Could not derive AUTH data");
+		return -1;
+	}
+	wpabuf_free(data->i_sign_msg);
+	data->i_sign_msg = NULL;
+
+	plen = (u8 *) wpabuf_put(msg, 0) - (u8 *) phdr;
+	WPA_PUT_BE16(phdr->payload_length, plen);
+	return 0;
+}
+
+
+static struct wpabuf * ikev2_build_sa_init(struct ikev2_initiator_data *data)
+{
+	struct wpabuf *msg;
+
+	/* build IKE_SA_INIT: HDR, SAi, KEi, Ni */
+
+	if (os_get_random(data->i_spi, IKEV2_SPI_LEN))
+		return NULL;
+	wpa_hexdump(MSG_DEBUG, "IKEV2: IKE_SA Initiator's SPI",
+		    data->i_spi, IKEV2_SPI_LEN);
+
+	data->i_nonce_len = IKEV2_NONCE_MIN_LEN;
+	if (random_get_bytes(data->i_nonce, data->i_nonce_len))
+		return NULL;
+	wpa_hexdump(MSG_DEBUG, "IKEV2: Ni", data->i_nonce, data->i_nonce_len);
+
+	msg = wpabuf_alloc(sizeof(struct ikev2_hdr) + 1000);
+	if (msg == NULL)
+		return NULL;
+
+	ikev2_build_hdr(data, msg, IKE_SA_INIT, IKEV2_PAYLOAD_SA, 0);
+	if (ikev2_build_sai(data, msg, IKEV2_PAYLOAD_KEY_EXCHANGE) ||
+	    ikev2_build_kei(data, msg, IKEV2_PAYLOAD_NONCE) ||
+	    ikev2_build_ni(data, msg, IKEV2_PAYLOAD_NO_NEXT_PAYLOAD)) {
+		wpabuf_free(msg);
+		return NULL;
+	}
+
+	ikev2_update_hdr(msg);
+
+	wpa_hexdump_buf(MSG_MSGDUMP, "IKEV2: Sending message (SA_INIT)", msg);
+
+	wpabuf_free(data->i_sign_msg);
+	data->i_sign_msg = wpabuf_dup(msg);
+
+	return msg;
+}
+
+
+static struct wpabuf * ikev2_build_sa_auth(struct ikev2_initiator_data *data)
+{
+	struct wpabuf *msg, *plain;
+	const u8 *secret;
+	size_t secret_len;
+
+	secret = data->get_shared_secret(data->cb_ctx, data->IDr,
+					 data->IDr_len, &secret_len);
+	if (secret == NULL) {
+		wpa_printf(MSG_INFO, "IKEV2: Could not get shared secret - "
+			   "use fake value");
+		/* RFC 5106, Sect. 7:
+		 * Use a random key to fake AUTH generation in order to prevent
+		 * probing of user identities.
+		 */
+		data->unknown_user = 1;
+		os_free(data->shared_secret);
+		data->shared_secret = os_malloc(16);
+		if (data->shared_secret == NULL)
+			return NULL;
+		data->shared_secret_len = 16;
+		if (random_get_bytes(data->shared_secret, 16))
+			return NULL;
+	} else {
+		os_free(data->shared_secret);
+		data->shared_secret = os_malloc(secret_len);
+		if (data->shared_secret == NULL)
+			return NULL;
+		os_memcpy(data->shared_secret, secret, secret_len);
+		data->shared_secret_len = secret_len;
+	}
+
+	/* build IKE_SA_AUTH: HDR, SK {IDi, [CERT,] [CERTREQ,] AUTH} */
+
+	msg = wpabuf_alloc(sizeof(struct ikev2_hdr) + data->IDr_len + 1000);
+	if (msg == NULL)
+		return NULL;
+	ikev2_build_hdr(data, msg, IKE_SA_AUTH, IKEV2_PAYLOAD_ENCRYPTED, 1);
+
+	plain = wpabuf_alloc(data->IDr_len + 1000);
+	if (plain == NULL) {
+		wpabuf_free(msg);
+		return NULL;
+	}
+
+	if (ikev2_build_idi(data, plain, IKEV2_PAYLOAD_AUTHENTICATION) ||
+	    ikev2_build_auth(data, plain, IKEV2_PAYLOAD_NO_NEXT_PAYLOAD) ||
+	    ikev2_build_encrypted(data->proposal.encr, data->proposal.integ,
+				  &data->keys, 1, msg, plain,
+				  IKEV2_PAYLOAD_IDi)) {
+		wpabuf_free(plain);
+		wpabuf_free(msg);
+		return NULL;
+	}
+	wpabuf_free(plain);
+
+	wpa_hexdump_buf(MSG_MSGDUMP, "IKEV2: Sending message (SA_AUTH)", msg);
+
+	return msg;
+}
+
+
+struct wpabuf * ikev2_initiator_build(struct ikev2_initiator_data *data)
+{
+	switch (data->state) {
+	case SA_INIT:
+		return ikev2_build_sa_init(data);
+	case SA_AUTH:
+		return ikev2_build_sa_auth(data);
+	case CHILD_SA:
+		return NULL;
+	case IKEV2_DONE:
+		return NULL;
+	}
+	return NULL;
+}
diff --git a/src/eap_server/ikev2.h b/src/eap_server/ikev2.h
new file mode 100644
index 0000000..8349fbe
--- /dev/null
+++ b/src/eap_server/ikev2.h
@@ -0,0 +1,67 @@
+/*
+ * IKEv2 initiator (RFC 4306) for EAP-IKEV2
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef IKEV2_H
+#define IKEV2_H
+
+#include "eap_common/ikev2_common.h"
+
+struct ikev2_proposal_data {
+	u8 proposal_num;
+	int integ;
+	int prf;
+	int encr;
+	int dh;
+};
+
+
+struct ikev2_initiator_data {
+	enum { SA_INIT, SA_AUTH, CHILD_SA, IKEV2_DONE } state;
+	u8 i_spi[IKEV2_SPI_LEN];
+	u8 r_spi[IKEV2_SPI_LEN];
+	u8 i_nonce[IKEV2_NONCE_MAX_LEN];
+	size_t i_nonce_len;
+	u8 r_nonce[IKEV2_NONCE_MAX_LEN];
+	size_t r_nonce_len;
+	struct wpabuf *r_dh_public;
+	struct wpabuf *i_dh_private;
+	struct ikev2_proposal_data proposal;
+	const struct dh_group *dh;
+	struct ikev2_keys keys;
+	u8 *IDi;
+	size_t IDi_len;
+	u8 *IDr;
+	size_t IDr_len;
+	u8 IDr_type;
+	struct wpabuf *r_sign_msg;
+	struct wpabuf *i_sign_msg;
+	u8 *shared_secret;
+	size_t shared_secret_len;
+	enum { PEER_AUTH_CERT, PEER_AUTH_SECRET } peer_auth;
+	u8 *key_pad;
+	size_t key_pad_len;
+
+	const u8 * (*get_shared_secret)(void *ctx, const u8 *IDr,
+					size_t IDr_len, size_t *secret_len);
+	void *cb_ctx;
+	int unknown_user;
+};
+
+
+void ikev2_initiator_deinit(struct ikev2_initiator_data *data);
+int ikev2_initiator_process(struct ikev2_initiator_data *data,
+			    const struct wpabuf *buf);
+struct wpabuf * ikev2_initiator_build(struct ikev2_initiator_data *data);
+
+#endif /* IKEV2_H */
diff --git a/src/eap_server/tncs.c b/src/eap_server/tncs.c
new file mode 100644
index 0000000..637b6f8
--- /dev/null
+++ b/src/eap_server/tncs.c
@@ -0,0 +1,1273 @@
+/*
+ * EAP-TNC - TNCS (IF-IMV, IF-TNCCS, and IF-TNCCS-SOH)
+ * Copyright (c) 2007-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <dlfcn.h>
+
+#include "common.h"
+#include "base64.h"
+#include "tncs.h"
+#include "eap_common/eap_tlv_common.h"
+#include "eap_common/eap_defs.h"
+
+
+/* TODO: TNCS must be thread-safe; review the code and add locking etc. if
+ * needed.. */
+
+#define TNC_CONFIG_FILE "/etc/tnc_config"
+#define IF_TNCCS_START \
+"<?xml version=\"1.0\"?>\n" \
+"<TNCCS-Batch BatchId=\"%d\" Recipient=\"TNCS\" " \
+"xmlns=\"http://www.trustedcomputinggroup.org/IWG/TNC/1_0/IF_TNCCS#\" " \
+"xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" " \
+"xsi:schemaLocation=\"http://www.trustedcomputinggroup.org/IWG/TNC/1_0/" \
+"IF_TNCCS# https://www.trustedcomputinggroup.org/XML/SCHEMA/TNCCS_1.0.xsd\">\n"
+#define IF_TNCCS_END "\n</TNCCS-Batch>"
+
+/* TNC IF-IMV */
+
+typedef unsigned long TNC_UInt32;
+typedef unsigned char *TNC_BufferReference;
+
+typedef TNC_UInt32 TNC_IMVID;
+typedef TNC_UInt32 TNC_ConnectionID;
+typedef TNC_UInt32 TNC_ConnectionState;
+typedef TNC_UInt32 TNC_RetryReason;
+typedef TNC_UInt32 TNC_IMV_Action_Recommendation;
+typedef TNC_UInt32 TNC_IMV_Evaluation_Result;
+typedef TNC_UInt32 TNC_MessageType;
+typedef TNC_MessageType *TNC_MessageTypeList;
+typedef TNC_UInt32 TNC_VendorID;
+typedef TNC_UInt32 TNC_Subtype;
+typedef TNC_UInt32 TNC_Version;
+typedef TNC_UInt32 TNC_Result;
+typedef TNC_UInt32 TNC_AttributeID;
+
+typedef TNC_Result (*TNC_TNCS_BindFunctionPointer)(
+	TNC_IMVID imvID,
+	char *functionName,
+	void **pOutfunctionPointer);
+
+#define TNC_RESULT_SUCCESS 0
+#define TNC_RESULT_NOT_INITIALIZED 1
+#define TNC_RESULT_ALREADY_INITIALIZED 2
+#define TNC_RESULT_NO_COMMON_VERSION 3
+#define TNC_RESULT_CANT_RETRY 4
+#define TNC_RESULT_WONT_RETRY 5
+#define TNC_RESULT_INVALID_PARAMETER 6
+#define TNC_RESULT_CANT_RESPOND 7
+#define TNC_RESULT_ILLEGAL_OPERATION 8
+#define TNC_RESULT_OTHER 9
+#define TNC_RESULT_FATAL 10
+
+#define TNC_CONNECTION_STATE_CREATE 0
+#define TNC_CONNECTION_STATE_HANDSHAKE 1
+#define TNC_CONNECTION_STATE_ACCESS_ALLOWED 2
+#define TNC_CONNECTION_STATE_ACCESS_ISOLATED 3
+#define TNC_CONNECTION_STATE_ACCESS_NONE 4
+#define TNC_CONNECTION_STATE_DELETE 5
+
+#define TNC_IFIMV_VERSION_1 1
+
+#define TNC_VENDORID_ANY ((TNC_VendorID) 0xffffff)
+#define TNC_SUBTYPE_ANY ((TNC_Subtype) 0xff)
+
+/* TNCC-TNCS Message Types */
+#define TNC_TNCCS_RECOMMENDATION		0x00000001
+#define TNC_TNCCS_ERROR				0x00000002
+#define TNC_TNCCS_PREFERREDLANGUAGE		0x00000003
+#define TNC_TNCCS_REASONSTRINGS			0x00000004
+
+/* Possible TNC_IMV_Action_Recommendation values: */
+enum IMV_Action_Recommendation {
+	TNC_IMV_ACTION_RECOMMENDATION_ALLOW,
+	TNC_IMV_ACTION_RECOMMENDATION_NO_ACCESS,
+	TNC_IMV_ACTION_RECOMMENDATION_ISOLATE,
+	TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION
+};
+
+/* Possible TNC_IMV_Evaluation_Result values: */
+enum IMV_Evaluation_Result {
+	TNC_IMV_EVALUATION_RESULT_COMPLIANT,
+	TNC_IMV_EVALUATION_RESULT_NONCOMPLIANT_MINOR,
+	TNC_IMV_EVALUATION_RESULT_NONCOMPLIANT_MAJOR,
+	TNC_IMV_EVALUATION_RESULT_ERROR,
+	TNC_IMV_EVALUATION_RESULT_DONT_KNOW
+};
+
+struct tnc_if_imv {
+	struct tnc_if_imv *next;
+	char *name;
+	char *path;
+	void *dlhandle; /* from dlopen() */
+	TNC_IMVID imvID;
+	TNC_MessageTypeList supported_types;
+	size_t num_supported_types;
+
+	/* Functions implemented by IMVs (with TNC_IMV_ prefix) */
+	TNC_Result (*Initialize)(
+		TNC_IMVID imvID,
+		TNC_Version minVersion,
+		TNC_Version maxVersion,
+		TNC_Version *pOutActualVersion);
+	TNC_Result (*NotifyConnectionChange)(
+		TNC_IMVID imvID,
+		TNC_ConnectionID connectionID,
+		TNC_ConnectionState newState);
+	TNC_Result (*ReceiveMessage)(
+		TNC_IMVID imvID,
+		TNC_ConnectionID connectionID,
+		TNC_BufferReference message,
+		TNC_UInt32 messageLength,
+		TNC_MessageType messageType);
+	TNC_Result (*SolicitRecommendation)(
+		TNC_IMVID imvID,
+		TNC_ConnectionID connectionID);
+	TNC_Result (*BatchEnding)(
+		TNC_IMVID imvID,
+		TNC_ConnectionID connectionID);
+	TNC_Result (*Terminate)(TNC_IMVID imvID);
+	TNC_Result (*ProvideBindFunction)(
+		TNC_IMVID imvID,
+		TNC_TNCS_BindFunctionPointer bindFunction);
+};
+
+
+#define TNC_MAX_IMV_ID 10
+
+struct tncs_data {
+	struct tncs_data *next;
+	struct tnc_if_imv *imv; /* local copy of tncs_global_data->imv */
+	TNC_ConnectionID connectionID;
+	unsigned int last_batchid;
+	enum IMV_Action_Recommendation recommendation;
+	int done;
+
+	struct conn_imv {
+		u8 *imv_send;
+		size_t imv_send_len;
+		enum IMV_Action_Recommendation recommendation;
+		int recommendation_set;
+	} imv_data[TNC_MAX_IMV_ID];
+
+	char *tncs_message;
+};
+
+
+struct tncs_global {
+	struct tnc_if_imv *imv;
+	TNC_ConnectionID next_conn_id;
+	struct tncs_data *connections;
+};
+
+static struct tncs_global *tncs_global_data = NULL;
+
+
+static struct tnc_if_imv * tncs_get_imv(TNC_IMVID imvID)
+{
+	struct tnc_if_imv *imv;
+
+	if (imvID >= TNC_MAX_IMV_ID || tncs_global_data == NULL)
+		return NULL;
+	imv = tncs_global_data->imv;
+	while (imv) {
+		if (imv->imvID == imvID)
+			return imv;
+		imv = imv->next;
+	}
+	return NULL;
+}
+
+
+static struct tncs_data * tncs_get_conn(TNC_ConnectionID connectionID)
+{
+	struct tncs_data *tncs;
+
+	if (tncs_global_data == NULL)
+		return NULL;
+
+	tncs = tncs_global_data->connections;
+	while (tncs) {
+		if (tncs->connectionID == connectionID)
+			return tncs;
+		tncs = tncs->next;
+	}
+
+	wpa_printf(MSG_DEBUG, "TNC: Connection ID %lu not found",
+		   (unsigned long) connectionID);
+
+	return NULL;
+}
+
+
+/* TNCS functions that IMVs can call */
+TNC_Result TNC_TNCS_ReportMessageTypes(
+	TNC_IMVID imvID,
+	TNC_MessageTypeList supportedTypes,
+	TNC_UInt32 typeCount)
+{
+	TNC_UInt32 i;
+	struct tnc_if_imv *imv;
+
+	wpa_printf(MSG_DEBUG, "TNC: TNC_TNCS_ReportMessageTypes(imvID=%lu "
+		   "typeCount=%lu)",
+		   (unsigned long) imvID, (unsigned long) typeCount);
+
+	for (i = 0; i < typeCount; i++) {
+		wpa_printf(MSG_DEBUG, "TNC: supportedTypes[%lu] = %lu",
+			   i, supportedTypes[i]);
+	}
+
+	imv = tncs_get_imv(imvID);
+	if (imv == NULL)
+		return TNC_RESULT_INVALID_PARAMETER;
+	os_free(imv->supported_types);
+	imv->supported_types =
+		os_malloc(typeCount * sizeof(TNC_MessageType));
+	if (imv->supported_types == NULL)
+		return TNC_RESULT_FATAL;
+	os_memcpy(imv->supported_types, supportedTypes,
+		  typeCount * sizeof(TNC_MessageType));
+	imv->num_supported_types = typeCount;
+
+	return TNC_RESULT_SUCCESS;
+}
+
+
+TNC_Result TNC_TNCS_SendMessage(
+	TNC_IMVID imvID,
+	TNC_ConnectionID connectionID,
+	TNC_BufferReference message,
+	TNC_UInt32 messageLength,
+	TNC_MessageType messageType)
+{
+	struct tncs_data *tncs;
+	unsigned char *b64;
+	size_t b64len;
+
+	wpa_printf(MSG_DEBUG, "TNC: TNC_TNCS_SendMessage(imvID=%lu "
+		   "connectionID=%lu messageType=%lu)",
+		   imvID, connectionID, messageType);
+	wpa_hexdump_ascii(MSG_DEBUG, "TNC: TNC_TNCS_SendMessage",
+			  message, messageLength);
+
+	if (tncs_get_imv(imvID) == NULL)
+		return TNC_RESULT_INVALID_PARAMETER;
+
+	tncs = tncs_get_conn(connectionID);
+	if (tncs == NULL)
+		return TNC_RESULT_INVALID_PARAMETER;
+
+	b64 = base64_encode(message, messageLength, &b64len);
+	if (b64 == NULL)
+		return TNC_RESULT_FATAL;
+
+	os_free(tncs->imv_data[imvID].imv_send);
+	tncs->imv_data[imvID].imv_send_len = 0;
+	tncs->imv_data[imvID].imv_send = os_zalloc(b64len + 100);
+	if (tncs->imv_data[imvID].imv_send == NULL) {
+		os_free(b64);
+		return TNC_RESULT_OTHER;
+	}
+
+	tncs->imv_data[imvID].imv_send_len =
+		os_snprintf((char *) tncs->imv_data[imvID].imv_send,
+			    b64len + 100,
+			    "<IMC-IMV-Message><Type>%08X</Type>"
+			    "<Base64>%s</Base64></IMC-IMV-Message>",
+			    (unsigned int) messageType, b64);
+
+	os_free(b64);
+
+	return TNC_RESULT_SUCCESS;
+}
+
+
+TNC_Result TNC_TNCS_RequestHandshakeRetry(
+	TNC_IMVID imvID,
+	TNC_ConnectionID connectionID,
+	TNC_RetryReason reason)
+{
+	wpa_printf(MSG_DEBUG, "TNC: TNC_TNCS_RequestHandshakeRetry");
+	/* TODO */
+	return TNC_RESULT_SUCCESS;
+}
+
+
+TNC_Result TNC_TNCS_ProvideRecommendation(
+	TNC_IMVID imvID,
+	TNC_ConnectionID connectionID,
+	TNC_IMV_Action_Recommendation recommendation,
+	TNC_IMV_Evaluation_Result evaluation)
+{
+	struct tncs_data *tncs;
+
+	wpa_printf(MSG_DEBUG, "TNC: TNC_TNCS_ProvideRecommendation(imvID=%lu "
+		   "connectionID=%lu recommendation=%lu evaluation=%lu)",
+		   (unsigned long) imvID, (unsigned long) connectionID,
+		   (unsigned long) recommendation, (unsigned long) evaluation);
+
+	if (tncs_get_imv(imvID) == NULL)
+		return TNC_RESULT_INVALID_PARAMETER;
+
+	tncs = tncs_get_conn(connectionID);
+	if (tncs == NULL)
+		return TNC_RESULT_INVALID_PARAMETER;
+
+	tncs->imv_data[imvID].recommendation = recommendation;
+	tncs->imv_data[imvID].recommendation_set = 1;
+
+	return TNC_RESULT_SUCCESS;
+}
+
+
+TNC_Result TNC_TNCS_GetAttribute(
+	TNC_IMVID imvID,
+	TNC_ConnectionID connectionID,
+	TNC_AttributeID attribureID,
+	TNC_UInt32 bufferLength,
+	TNC_BufferReference buffer,
+	TNC_UInt32 *pOutValueLength)
+{
+	wpa_printf(MSG_DEBUG, "TNC: TNC_TNCS_GetAttribute");
+	/* TODO */
+	return TNC_RESULT_SUCCESS;
+}
+
+
+TNC_Result TNC_TNCS_SetAttribute(
+	TNC_IMVID imvID,
+	TNC_ConnectionID connectionID,
+	TNC_AttributeID attribureID,
+	TNC_UInt32 bufferLength,
+	TNC_BufferReference buffer)
+{
+	wpa_printf(MSG_DEBUG, "TNC: TNC_TNCS_SetAttribute");
+	/* TODO */
+	return TNC_RESULT_SUCCESS;
+}
+
+
+TNC_Result TNC_TNCS_BindFunction(
+	TNC_IMVID imvID,
+	char *functionName,
+	void **pOutFunctionPointer)
+{
+	wpa_printf(MSG_DEBUG, "TNC: TNC_TNCS_BindFunction(imcID=%lu, "
+		   "functionName='%s')", (unsigned long) imvID, functionName);
+
+	if (tncs_get_imv(imvID) == NULL)
+		return TNC_RESULT_INVALID_PARAMETER;
+
+	if (pOutFunctionPointer == NULL)
+		return TNC_RESULT_INVALID_PARAMETER;
+
+	if (os_strcmp(functionName, "TNC_TNCS_ReportMessageTypes") == 0)
+		*pOutFunctionPointer = TNC_TNCS_ReportMessageTypes;
+	else if (os_strcmp(functionName, "TNC_TNCS_SendMessage") == 0)
+		*pOutFunctionPointer = TNC_TNCS_SendMessage;
+	else if (os_strcmp(functionName, "TNC_TNCS_RequestHandshakeRetry") ==
+		 0)
+		*pOutFunctionPointer = TNC_TNCS_RequestHandshakeRetry;
+	else if (os_strcmp(functionName, "TNC_TNCS_ProvideRecommendation") ==
+		 0)
+		*pOutFunctionPointer = TNC_TNCS_ProvideRecommendation;
+	else if (os_strcmp(functionName, "TNC_TNCS_GetAttribute") == 0)
+		*pOutFunctionPointer = TNC_TNCS_GetAttribute;
+	else if (os_strcmp(functionName, "TNC_TNCS_SetAttribute") == 0)
+		*pOutFunctionPointer = TNC_TNCS_SetAttribute;
+	else
+		*pOutFunctionPointer = NULL;
+
+	return TNC_RESULT_SUCCESS;
+}
+
+
+static void * tncs_get_sym(void *handle, char *func)
+{
+	void *fptr;
+
+	fptr = dlsym(handle, func);
+
+	return fptr;
+}
+
+
+static int tncs_imv_resolve_funcs(struct tnc_if_imv *imv)
+{
+	void *handle = imv->dlhandle;
+
+	/* Mandatory IMV functions */
+	imv->Initialize = tncs_get_sym(handle, "TNC_IMV_Initialize");
+	if (imv->Initialize == NULL) {
+		wpa_printf(MSG_ERROR, "TNC: IMV does not export "
+			   "TNC_IMV_Initialize");
+		return -1;
+	}
+
+	imv->SolicitRecommendation = tncs_get_sym(
+		handle, "TNC_IMV_SolicitRecommendation");
+	if (imv->SolicitRecommendation == NULL) {
+		wpa_printf(MSG_ERROR, "TNC: IMV does not export "
+			   "TNC_IMV_SolicitRecommendation");
+		return -1;
+	}
+
+	imv->ProvideBindFunction =
+		tncs_get_sym(handle, "TNC_IMV_ProvideBindFunction");
+	if (imv->ProvideBindFunction == NULL) {
+		wpa_printf(MSG_ERROR, "TNC: IMV does not export "
+			   "TNC_IMV_ProvideBindFunction");
+		return -1;
+	}
+
+	/* Optional IMV functions */
+	imv->NotifyConnectionChange =
+		tncs_get_sym(handle, "TNC_IMV_NotifyConnectionChange");
+	imv->ReceiveMessage = tncs_get_sym(handle, "TNC_IMV_ReceiveMessage");
+	imv->BatchEnding = tncs_get_sym(handle, "TNC_IMV_BatchEnding");
+	imv->Terminate = tncs_get_sym(handle, "TNC_IMV_Terminate");
+
+	return 0;
+}
+
+
+static int tncs_imv_initialize(struct tnc_if_imv *imv)
+{
+	TNC_Result res;
+	TNC_Version imv_ver;
+
+	wpa_printf(MSG_DEBUG, "TNC: Calling TNC_IMV_Initialize for IMV '%s'",
+		   imv->name);
+	res = imv->Initialize(imv->imvID, TNC_IFIMV_VERSION_1,
+			      TNC_IFIMV_VERSION_1, &imv_ver);
+	wpa_printf(MSG_DEBUG, "TNC: TNC_IMV_Initialize: res=%lu imv_ver=%lu",
+		   (unsigned long) res, (unsigned long) imv_ver);
+
+	return res == TNC_RESULT_SUCCESS ? 0 : -1;
+}
+
+
+static int tncs_imv_terminate(struct tnc_if_imv *imv)
+{
+	TNC_Result res;
+
+	if (imv->Terminate == NULL)
+		return 0;
+
+	wpa_printf(MSG_DEBUG, "TNC: Calling TNC_IMV_Terminate for IMV '%s'",
+		   imv->name);
+	res = imv->Terminate(imv->imvID);
+	wpa_printf(MSG_DEBUG, "TNC: TNC_IMV_Terminate: %lu",
+		   (unsigned long) res);
+
+	return res == TNC_RESULT_SUCCESS ? 0 : -1;
+}
+
+
+static int tncs_imv_provide_bind_function(struct tnc_if_imv *imv)
+{
+	TNC_Result res;
+
+	wpa_printf(MSG_DEBUG, "TNC: Calling TNC_IMV_ProvideBindFunction for "
+		   "IMV '%s'", imv->name);
+	res = imv->ProvideBindFunction(imv->imvID, TNC_TNCS_BindFunction);
+	wpa_printf(MSG_DEBUG, "TNC: TNC_IMV_ProvideBindFunction: res=%lu",
+		   (unsigned long) res);
+
+	return res == TNC_RESULT_SUCCESS ? 0 : -1;
+}
+
+
+static int tncs_imv_notify_connection_change(struct tnc_if_imv *imv,
+					     TNC_ConnectionID conn,
+					     TNC_ConnectionState state)
+{
+	TNC_Result res;
+
+	if (imv->NotifyConnectionChange == NULL)
+		return 0;
+
+	wpa_printf(MSG_DEBUG, "TNC: Calling TNC_IMV_NotifyConnectionChange(%d)"
+		   " for IMV '%s'", (int) state, imv->name);
+	res = imv->NotifyConnectionChange(imv->imvID, conn, state);
+	wpa_printf(MSG_DEBUG, "TNC: TNC_IMC_NotifyConnectionChange: %lu",
+		   (unsigned long) res);
+
+	return res == TNC_RESULT_SUCCESS ? 0 : -1;
+}
+
+
+static int tncs_load_imv(struct tnc_if_imv *imv)
+{
+	if (imv->path == NULL) {
+		wpa_printf(MSG_DEBUG, "TNC: No IMV configured");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "TNC: Opening IMV: %s (%s)",
+		   imv->name, imv->path);
+	imv->dlhandle = dlopen(imv->path, RTLD_LAZY);
+	if (imv->dlhandle == NULL) {
+		wpa_printf(MSG_ERROR, "TNC: Failed to open IMV '%s' (%s): %s",
+			   imv->name, imv->path, dlerror());
+		return -1;
+	}
+
+	if (tncs_imv_resolve_funcs(imv) < 0) {
+		wpa_printf(MSG_ERROR, "TNC: Failed to resolve IMV functions");
+		return -1;
+	}
+
+	if (tncs_imv_initialize(imv) < 0 ||
+	    tncs_imv_provide_bind_function(imv) < 0) {
+		wpa_printf(MSG_ERROR, "TNC: Failed to initialize IMV");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static void tncs_free_imv(struct tnc_if_imv *imv)
+{
+	os_free(imv->name);
+	os_free(imv->path);
+	os_free(imv->supported_types);
+}
+
+static void tncs_unload_imv(struct tnc_if_imv *imv)
+{
+	tncs_imv_terminate(imv);
+
+	if (imv->dlhandle)
+		dlclose(imv->dlhandle);
+
+	tncs_free_imv(imv);
+}
+
+
+static int tncs_supported_type(struct tnc_if_imv *imv, unsigned int type)
+{
+	size_t i;
+	unsigned int vendor, subtype;
+
+	if (imv == NULL || imv->supported_types == NULL)
+		return 0;
+
+	vendor = type >> 8;
+	subtype = type & 0xff;
+
+	for (i = 0; i < imv->num_supported_types; i++) {
+		unsigned int svendor, ssubtype;
+		svendor = imv->supported_types[i] >> 8;
+		ssubtype = imv->supported_types[i] & 0xff;
+		if ((vendor == svendor || svendor == TNC_VENDORID_ANY) &&
+		    (subtype == ssubtype || ssubtype == TNC_SUBTYPE_ANY))
+			return 1;
+	}
+
+	return 0;
+}
+
+
+static void tncs_send_to_imvs(struct tncs_data *tncs, unsigned int type,
+			      const u8 *msg, size_t len)
+{
+	struct tnc_if_imv *imv;
+	TNC_Result res;
+
+	wpa_hexdump_ascii(MSG_MSGDUMP, "TNC: Message to IMV(s)", msg, len);
+
+	for (imv = tncs->imv; imv; imv = imv->next) {
+		if (imv->ReceiveMessage == NULL ||
+		    !tncs_supported_type(imv, type))
+			continue;
+
+		wpa_printf(MSG_DEBUG, "TNC: Call ReceiveMessage for IMV '%s'",
+			   imv->name);
+		res = imv->ReceiveMessage(imv->imvID, tncs->connectionID,
+					  (TNC_BufferReference) msg, len,
+					  type);
+		wpa_printf(MSG_DEBUG, "TNC: ReceiveMessage: %lu",
+			   (unsigned long) res);
+	}
+}
+
+
+static void tncs_batch_ending(struct tncs_data *tncs)
+{
+	struct tnc_if_imv *imv;
+	TNC_Result res;
+
+	for (imv = tncs->imv; imv; imv = imv->next) {
+		if (imv->BatchEnding == NULL)
+			continue;
+
+		wpa_printf(MSG_DEBUG, "TNC: Call BatchEnding for IMV '%s'",
+			   imv->name);
+		res = imv->BatchEnding(imv->imvID, tncs->connectionID);
+		wpa_printf(MSG_DEBUG, "TNC: BatchEnding: %lu",
+			   (unsigned long) res);
+	}
+}
+
+
+static void tncs_solicit_recommendation(struct tncs_data *tncs)
+{
+	struct tnc_if_imv *imv;
+	TNC_Result res;
+
+	for (imv = tncs->imv; imv; imv = imv->next) {
+		if (tncs->imv_data[imv->imvID].recommendation_set)
+			continue;
+
+		wpa_printf(MSG_DEBUG, "TNC: Call SolicitRecommendation for "
+			   "IMV '%s'", imv->name);
+		res = imv->SolicitRecommendation(imv->imvID,
+						 tncs->connectionID);
+		wpa_printf(MSG_DEBUG, "TNC: SolicitRecommendation: %lu",
+			   (unsigned long) res);
+	}
+}
+
+
+void tncs_init_connection(struct tncs_data *tncs)
+{
+	struct tnc_if_imv *imv;
+	int i;
+
+	for (imv = tncs->imv; imv; imv = imv->next) {
+		tncs_imv_notify_connection_change(
+			imv, tncs->connectionID, TNC_CONNECTION_STATE_CREATE);
+		tncs_imv_notify_connection_change(
+			imv, tncs->connectionID,
+			TNC_CONNECTION_STATE_HANDSHAKE);
+	}
+
+	for (i = 0; i < TNC_MAX_IMV_ID; i++) {
+		os_free(tncs->imv_data[i].imv_send);
+		tncs->imv_data[i].imv_send = NULL;
+		tncs->imv_data[i].imv_send_len = 0;
+	}
+}
+
+
+size_t tncs_total_send_len(struct tncs_data *tncs)
+{
+	int i;
+	size_t len = 0;
+
+	for (i = 0; i < TNC_MAX_IMV_ID; i++)
+		len += tncs->imv_data[i].imv_send_len;
+	if (tncs->tncs_message)
+		len += os_strlen(tncs->tncs_message);
+	return len;
+}
+
+
+u8 * tncs_copy_send_buf(struct tncs_data *tncs, u8 *pos)
+{
+	int i;
+
+	for (i = 0; i < TNC_MAX_IMV_ID; i++) {
+		if (tncs->imv_data[i].imv_send == NULL)
+			continue;
+
+		os_memcpy(pos, tncs->imv_data[i].imv_send,
+			  tncs->imv_data[i].imv_send_len);
+		pos += tncs->imv_data[i].imv_send_len;
+		os_free(tncs->imv_data[i].imv_send);
+		tncs->imv_data[i].imv_send = NULL;
+		tncs->imv_data[i].imv_send_len = 0;
+	}
+
+	if (tncs->tncs_message) {
+		size_t len = os_strlen(tncs->tncs_message);
+		os_memcpy(pos, tncs->tncs_message, len);
+		pos += len;
+		os_free(tncs->tncs_message);
+		tncs->tncs_message = NULL;
+	}
+
+	return pos;
+}
+
+
+char * tncs_if_tnccs_start(struct tncs_data *tncs)
+{
+	char *buf = os_malloc(1000);
+	if (buf == NULL)
+		return NULL;
+	tncs->last_batchid++;
+	os_snprintf(buf, 1000, IF_TNCCS_START, tncs->last_batchid);
+	return buf;
+}
+
+
+char * tncs_if_tnccs_end(void)
+{
+	char *buf = os_malloc(100);
+	if (buf == NULL)
+		return NULL;
+	os_snprintf(buf, 100, IF_TNCCS_END);
+	return buf;
+}
+
+
+static int tncs_get_type(char *start, unsigned int *type)
+{
+	char *pos = os_strstr(start, "<Type>");
+	if (pos == NULL)
+		return -1;
+	pos += 6;
+	*type = strtoul(pos, NULL, 16);
+	return 0;
+}
+
+
+static unsigned char * tncs_get_base64(char *start, size_t *decoded_len)
+{
+	char *pos, *pos2;
+	unsigned char *decoded;
+
+	pos = os_strstr(start, "<Base64>");
+	if (pos == NULL)
+		return NULL;
+
+	pos += 8;
+	pos2 = os_strstr(pos, "</Base64>");
+	if (pos2 == NULL)
+		return NULL;
+	*pos2 = '\0';
+
+	decoded = base64_decode((unsigned char *) pos, os_strlen(pos),
+				decoded_len);
+	*pos2 = '<';
+	if (decoded == NULL) {
+		wpa_printf(MSG_DEBUG, "TNC: Failed to decode Base64 data");
+	}
+
+	return decoded;
+}
+
+
+static enum tncs_process_res tncs_derive_recommendation(struct tncs_data *tncs)
+{
+	enum IMV_Action_Recommendation rec;
+	struct tnc_if_imv *imv;
+	TNC_ConnectionState state;
+	char *txt;
+
+	wpa_printf(MSG_DEBUG, "TNC: No more messages from IMVs");
+
+	if (tncs->done)
+		return TNCCS_PROCESS_OK_NO_RECOMMENDATION;
+
+	tncs_solicit_recommendation(tncs);
+
+	/* Select the most restrictive recommendation */
+	rec = TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION;
+	for (imv = tncs->imv; imv; imv = imv->next) {
+		TNC_IMV_Action_Recommendation irec;
+		irec = tncs->imv_data[imv->imvID].recommendation;
+		if (irec == TNC_IMV_ACTION_RECOMMENDATION_NO_ACCESS)
+			rec = TNC_IMV_ACTION_RECOMMENDATION_NO_ACCESS;
+		if (irec == TNC_IMV_ACTION_RECOMMENDATION_ISOLATE &&
+		    rec != TNC_IMV_ACTION_RECOMMENDATION_NO_ACCESS)
+			rec = TNC_IMV_ACTION_RECOMMENDATION_ISOLATE;
+		if (irec == TNC_IMV_ACTION_RECOMMENDATION_ALLOW &&
+		    rec == TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION)
+			rec = TNC_IMV_ACTION_RECOMMENDATION_ALLOW;
+	}
+
+	wpa_printf(MSG_DEBUG, "TNC: Recommendation: %d", rec);
+	tncs->recommendation = rec;
+	tncs->done = 1;
+
+	txt = NULL;
+	switch (rec) {
+	case TNC_IMV_ACTION_RECOMMENDATION_ALLOW:
+	case TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION:
+		txt = "allow";
+		state = TNC_CONNECTION_STATE_ACCESS_ALLOWED;
+		break;
+	case TNC_IMV_ACTION_RECOMMENDATION_ISOLATE:
+		txt = "isolate";
+		state = TNC_CONNECTION_STATE_ACCESS_ISOLATED;
+		break;
+	case TNC_IMV_ACTION_RECOMMENDATION_NO_ACCESS:
+		txt = "none";
+		state = TNC_CONNECTION_STATE_ACCESS_NONE;
+		break;
+	default:
+		state = TNC_CONNECTION_STATE_ACCESS_ALLOWED;
+		break;
+	}
+
+	if (txt) {
+		os_free(tncs->tncs_message);
+		tncs->tncs_message = os_zalloc(200);
+		if (tncs->tncs_message) {
+			os_snprintf(tncs->tncs_message, 199,
+				    "<TNCC-TNCS-Message><Type>%08X</Type>"
+				    "<XML><TNCCS-Recommendation type=\"%s\">"
+				    "</TNCCS-Recommendation></XML>"
+				    "</TNCC-TNCS-Message>",
+				    TNC_TNCCS_RECOMMENDATION, txt);
+		}
+	}
+
+	for (imv = tncs->imv; imv; imv = imv->next) {
+		tncs_imv_notify_connection_change(imv, tncs->connectionID,
+						  state);
+	}
+
+	switch (rec) {
+	case TNC_IMV_ACTION_RECOMMENDATION_ALLOW:
+		return TNCCS_RECOMMENDATION_ALLOW;
+	case TNC_IMV_ACTION_RECOMMENDATION_NO_ACCESS:
+		return TNCCS_RECOMMENDATION_NO_ACCESS;
+	case TNC_IMV_ACTION_RECOMMENDATION_ISOLATE:
+		return TNCCS_RECOMMENDATION_ISOLATE;
+	case TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION:
+		return TNCCS_RECOMMENDATION_NO_RECOMMENDATION;
+	default:
+		return TNCCS_PROCESS_ERROR;
+	}
+}
+
+
+enum tncs_process_res tncs_process_if_tnccs(struct tncs_data *tncs,
+					    const u8 *msg, size_t len)
+{
+	char *buf, *start, *end, *pos, *pos2, *payload;
+	unsigned int batch_id;
+	unsigned char *decoded;
+	size_t decoded_len;
+
+	buf = os_malloc(len + 1);
+	if (buf == NULL)
+		return TNCCS_PROCESS_ERROR;
+
+	os_memcpy(buf, msg, len);
+	buf[len] = '\0';
+	start = os_strstr(buf, "<TNCCS-Batch ");
+	end = os_strstr(buf, "</TNCCS-Batch>");
+	if (start == NULL || end == NULL || start > end) {
+		os_free(buf);
+		return TNCCS_PROCESS_ERROR;
+	}
+
+	start += 13;
+	while (*start == ' ')
+		start++;
+	*end = '\0';
+
+	pos = os_strstr(start, "BatchId=");
+	if (pos == NULL) {
+		os_free(buf);
+		return TNCCS_PROCESS_ERROR;
+	}
+
+	pos += 8;
+	if (*pos == '"')
+		pos++;
+	batch_id = atoi(pos);
+	wpa_printf(MSG_DEBUG, "TNC: Received IF-TNCCS BatchId=%u",
+		   batch_id);
+	if (batch_id != tncs->last_batchid + 1) {
+		wpa_printf(MSG_DEBUG, "TNC: Unexpected IF-TNCCS BatchId "
+			   "%u (expected %u)",
+			   batch_id, tncs->last_batchid + 1);
+		os_free(buf);
+		return TNCCS_PROCESS_ERROR;
+	}
+	tncs->last_batchid = batch_id;
+
+	while (*pos != '\0' && *pos != '>')
+		pos++;
+	if (*pos == '\0') {
+		os_free(buf);
+		return TNCCS_PROCESS_ERROR;
+	}
+	pos++;
+	payload = start;
+
+	/*
+	 * <IMC-IMV-Message>
+	 * <Type>01234567</Type>
+	 * <Base64>foo==</Base64>
+	 * </IMC-IMV-Message>
+	 */
+
+	while (*start) {
+		char *endpos;
+		unsigned int type;
+
+		pos = os_strstr(start, "<IMC-IMV-Message>");
+		if (pos == NULL)
+			break;
+		start = pos + 17;
+		end = os_strstr(start, "</IMC-IMV-Message>");
+		if (end == NULL)
+			break;
+		*end = '\0';
+		endpos = end;
+		end += 18;
+
+		if (tncs_get_type(start, &type) < 0) {
+			*endpos = '<';
+			start = end;
+			continue;
+		}
+		wpa_printf(MSG_DEBUG, "TNC: IMC-IMV-Message Type 0x%x", type);
+
+		decoded = tncs_get_base64(start, &decoded_len);
+		if (decoded == NULL) {
+			*endpos = '<';
+			start = end;
+			continue;
+		}
+
+		tncs_send_to_imvs(tncs, type, decoded, decoded_len);
+
+		os_free(decoded);
+
+		start = end;
+	}
+
+	/*
+	 * <TNCC-TNCS-Message>
+	 * <Type>01234567</Type>
+	 * <XML><TNCCS-Foo type="foo"></TNCCS-Foo></XML>
+	 * <Base64>foo==</Base64>
+	 * </TNCC-TNCS-Message>
+	 */
+
+	start = payload;
+	while (*start) {
+		unsigned int type;
+		char *xml, *xmlend, *endpos;
+
+		pos = os_strstr(start, "<TNCC-TNCS-Message>");
+		if (pos == NULL)
+			break;
+		start = pos + 19;
+		end = os_strstr(start, "</TNCC-TNCS-Message>");
+		if (end == NULL)
+			break;
+		*end = '\0';
+		endpos = end;
+		end += 20;
+
+		if (tncs_get_type(start, &type) < 0) {
+			*endpos = '<';
+			start = end;
+			continue;
+		}
+		wpa_printf(MSG_DEBUG, "TNC: TNCC-TNCS-Message Type 0x%x",
+			   type);
+
+		/* Base64 OR XML */
+		decoded = NULL;
+		xml = NULL;
+		xmlend = NULL;
+		pos = os_strstr(start, "<XML>");
+		if (pos) {
+			pos += 5;
+			pos2 = os_strstr(pos, "</XML>");
+			if (pos2 == NULL) {
+				*endpos = '<';
+				start = end;
+				continue;
+			}
+			xmlend = pos2;
+			xml = pos;
+		} else {
+			decoded = tncs_get_base64(start, &decoded_len);
+			if (decoded == NULL) {
+				*endpos = '<';
+				start = end;
+				continue;
+			}
+		}
+
+		if (decoded) {
+			wpa_hexdump_ascii(MSG_MSGDUMP,
+					  "TNC: TNCC-TNCS-Message Base64",
+					  decoded, decoded_len);
+			os_free(decoded);
+		}
+
+		if (xml) {
+			wpa_hexdump_ascii(MSG_MSGDUMP,
+					  "TNC: TNCC-TNCS-Message XML",
+					  (unsigned char *) xml,
+					  xmlend - xml);
+		}
+
+		start = end;
+	}
+
+	os_free(buf);
+
+	tncs_batch_ending(tncs);
+
+	if (tncs_total_send_len(tncs) == 0)
+		return tncs_derive_recommendation(tncs);
+
+	return TNCCS_PROCESS_OK_NO_RECOMMENDATION;
+}
+
+
+static struct tnc_if_imv * tncs_parse_imv(int id, char *start, char *end,
+					  int *error)
+{
+	struct tnc_if_imv *imv;
+	char *pos, *pos2;
+
+	if (id >= TNC_MAX_IMV_ID) {
+		wpa_printf(MSG_DEBUG, "TNC: Too many IMVs");
+		return NULL;
+	}
+
+	imv = os_zalloc(sizeof(*imv));
+	if (imv == NULL) {
+		*error = 1;
+		return NULL;
+	}
+
+	imv->imvID = id;
+
+	pos = start;
+	wpa_printf(MSG_DEBUG, "TNC: Configured IMV: %s", pos);
+	if (pos + 1 >= end || *pos != '"') {
+		wpa_printf(MSG_ERROR, "TNC: Ignoring invalid IMV line '%s' "
+			   "(no starting quotation mark)", start);
+		os_free(imv);
+		return NULL;
+	}
+
+	pos++;
+	pos2 = pos;
+	while (pos2 < end && *pos2 != '"')
+		pos2++;
+	if (pos2 >= end) {
+		wpa_printf(MSG_ERROR, "TNC: Ignoring invalid IMV line '%s' "
+			   "(no ending quotation mark)", start);
+		os_free(imv);
+		return NULL;
+	}
+	*pos2 = '\0';
+	wpa_printf(MSG_DEBUG, "TNC: Name: '%s'", pos);
+	imv->name = os_strdup(pos);
+
+	pos = pos2 + 1;
+	if (pos >= end || *pos != ' ') {
+		wpa_printf(MSG_ERROR, "TNC: Ignoring invalid IMV line '%s' "
+			   "(no space after name)", start);
+		os_free(imv);
+		return NULL;
+	}
+
+	pos++;
+	wpa_printf(MSG_DEBUG, "TNC: IMV file: '%s'", pos);
+	imv->path = os_strdup(pos);
+
+	return imv;
+}
+
+
+static int tncs_read_config(struct tncs_global *global)
+{
+	char *config, *end, *pos, *line_end;
+	size_t config_len;
+	struct tnc_if_imv *imv, *last;
+	int id = 0;
+
+	last = NULL;
+
+	config = os_readfile(TNC_CONFIG_FILE, &config_len);
+	if (config == NULL) {
+		wpa_printf(MSG_ERROR, "TNC: Could not open TNC configuration "
+			   "file '%s'", TNC_CONFIG_FILE);
+		return -1;
+	}
+
+	end = config + config_len;
+	for (pos = config; pos < end; pos = line_end + 1) {
+		line_end = pos;
+		while (*line_end != '\n' && *line_end != '\r' &&
+		       line_end < end)
+			line_end++;
+		*line_end = '\0';
+
+		if (os_strncmp(pos, "IMV ", 4) == 0) {
+			int error = 0;
+
+			imv = tncs_parse_imv(id++, pos + 4, line_end, &error);
+			if (error)
+				return -1;
+			if (imv) {
+				if (last == NULL)
+					global->imv = imv;
+				else
+					last->next = imv;
+				last = imv;
+			}
+		}
+	}
+
+	os_free(config);
+
+	return 0;
+}
+
+
+struct tncs_data * tncs_init(void)
+{
+	struct tncs_data *tncs;
+
+	if (tncs_global_data == NULL)
+		return NULL;
+
+	tncs = os_zalloc(sizeof(*tncs));
+	if (tncs == NULL)
+		return NULL;
+	tncs->imv = tncs_global_data->imv;
+	tncs->connectionID = tncs_global_data->next_conn_id++;
+	tncs->next = tncs_global_data->connections;
+	tncs_global_data->connections = tncs;
+
+	return tncs;
+}
+
+
+void tncs_deinit(struct tncs_data *tncs)
+{
+	int i;
+	struct tncs_data *prev, *conn;
+
+	if (tncs == NULL)
+		return;
+
+	for (i = 0; i < TNC_MAX_IMV_ID; i++)
+		os_free(tncs->imv_data[i].imv_send);
+
+	prev = NULL;
+	conn = tncs_global_data->connections;
+	while (conn) {
+		if (conn == tncs) {
+			if (prev)
+				prev->next = tncs->next;
+			else
+				tncs_global_data->connections = tncs->next;
+			break;
+		}
+		prev = conn;
+		conn = conn->next;
+	}
+
+	os_free(tncs->tncs_message);
+	os_free(tncs);
+}
+
+
+int tncs_global_init(void)
+{
+	struct tnc_if_imv *imv;
+
+	tncs_global_data = os_zalloc(sizeof(*tncs_global_data));
+	if (tncs_global_data == NULL)
+		return -1;
+
+	if (tncs_read_config(tncs_global_data) < 0) {
+		wpa_printf(MSG_ERROR, "TNC: Failed to read TNC configuration");
+		goto failed;
+	}
+
+	for (imv = tncs_global_data->imv; imv; imv = imv->next) {
+		if (tncs_load_imv(imv)) {
+			wpa_printf(MSG_ERROR, "TNC: Failed to load IMV '%s'",
+				   imv->name);
+			goto failed;
+		}
+	}
+
+	return 0;
+
+failed:
+	tncs_global_deinit();
+	return -1;
+}
+
+
+void tncs_global_deinit(void)
+{
+	struct tnc_if_imv *imv, *prev;
+
+	if (tncs_global_data == NULL)
+		return;
+
+	imv = tncs_global_data->imv;
+	while (imv) {
+		tncs_unload_imv(imv);
+
+		prev = imv;
+		imv = imv->next;
+		os_free(prev);
+	}
+
+	os_free(tncs_global_data);
+	tncs_global_data = NULL;
+}
+
+
+struct wpabuf * tncs_build_soh_request(void)
+{
+	struct wpabuf *buf;
+
+	/*
+	 * Build a SoH Request TLV (to be used inside SoH EAP Extensions
+	 * Method)
+	 */
+
+	buf = wpabuf_alloc(8 + 4);
+	if (buf == NULL)
+		return NULL;
+
+	/* Vendor-Specific TLV (Microsoft) - SoH Request */
+	wpabuf_put_be16(buf, EAP_TLV_VENDOR_SPECIFIC_TLV); /* TLV Type */
+	wpabuf_put_be16(buf, 8); /* Length */
+
+	wpabuf_put_be32(buf, EAP_VENDOR_MICROSOFT); /* Vendor_Id */
+
+	wpabuf_put_be16(buf, 0x02); /* TLV Type - SoH Request TLV */
+	wpabuf_put_be16(buf, 0); /* Length */
+
+	return buf;
+}
+
+
+struct wpabuf * tncs_process_soh(const u8 *soh_tlv, size_t soh_tlv_len,
+				 int *failure)
+{
+	wpa_hexdump(MSG_DEBUG, "TNC: SoH TLV", soh_tlv, soh_tlv_len);
+	*failure = 0;
+
+	/* TODO: return MS-SoH Response TLV */
+
+	return NULL;
+}
diff --git a/src/eap_server/tncs.h b/src/eap_server/tncs.h
new file mode 100644
index 0000000..18a3a1f
--- /dev/null
+++ b/src/eap_server/tncs.h
@@ -0,0 +1,49 @@
+/*
+ * EAP-TNC - TNCS (IF-IMV, IF-TNCCS, and IF-TNCCS-SOH)
+ * Copyright (c) 2007-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef TNCS_H
+#define TNCS_H
+
+struct tncs_data;
+
+struct tncs_data * tncs_init(void);
+void tncs_deinit(struct tncs_data *tncs);
+void tncs_init_connection(struct tncs_data *tncs);
+size_t tncs_total_send_len(struct tncs_data *tncs);
+u8 * tncs_copy_send_buf(struct tncs_data *tncs, u8 *pos);
+char * tncs_if_tnccs_start(struct tncs_data *tncs);
+char * tncs_if_tnccs_end(void);
+
+enum tncs_process_res {
+	TNCCS_PROCESS_ERROR = -1,
+	TNCCS_PROCESS_OK_NO_RECOMMENDATION = 0,
+	TNCCS_RECOMMENDATION_ERROR,
+	TNCCS_RECOMMENDATION_ALLOW,
+	TNCCS_RECOMMENDATION_NONE,
+	TNCCS_RECOMMENDATION_ISOLATE,
+	TNCCS_RECOMMENDATION_NO_ACCESS,
+	TNCCS_RECOMMENDATION_NO_RECOMMENDATION
+};
+
+enum tncs_process_res tncs_process_if_tnccs(struct tncs_data *tncs,
+					    const u8 *msg, size_t len);
+
+int tncs_global_init(void);
+void tncs_global_deinit(void);
+
+struct wpabuf * tncs_build_soh_request(void);
+struct wpabuf * tncs_process_soh(const u8 *soh_tlv, size_t soh_tlv_len,
+				 int *failure);
+
+#endif /* TNCS_H */
diff --git a/src/eapol_auth/Makefile b/src/eapol_auth/Makefile
new file mode 100644
index 0000000..9c41962
--- /dev/null
+++ b/src/eapol_auth/Makefile
@@ -0,0 +1,8 @@
+all:
+	@echo Nothing to be made.
+
+clean:
+	rm -f *~ *.o *.d
+
+install:
+	@echo Nothing to be made.
diff --git a/src/eapol_auth/eapol_auth_dump.c b/src/eapol_auth/eapol_auth_dump.c
new file mode 100644
index 0000000..a0f0e8d
--- /dev/null
+++ b/src/eapol_auth/eapol_auth_dump.c
@@ -0,0 +1,231 @@
+/*
+ * IEEE 802.1X-2004 Authenticator - State dump
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eap_server/eap.h"
+#include "eapol_auth_sm.h"
+#include "eapol_auth_sm_i.h"
+
+static inline const char * port_type_txt(PortTypes pt)
+{
+	switch (pt) {
+	case ForceUnauthorized: return "ForceUnauthorized";
+	case ForceAuthorized: return "ForceAuthorized";
+	case Auto: return "Auto";
+	default: return "Unknown";
+	}
+}
+
+
+static inline const char * port_state_txt(PortState ps)
+{
+	switch (ps) {
+	case Unauthorized: return "Unauthorized";
+	case Authorized: return "Authorized";
+	default: return "Unknown";
+	}
+}
+
+
+static inline const char * ctrl_dir_txt(ControlledDirection dir)
+{
+	switch (dir) {
+	case Both: return "Both";
+	case In: return "In";
+	default: return "Unknown";
+	}
+}
+
+
+static inline const char * auth_pae_state_txt(int s)
+{
+	switch (s) {
+	case AUTH_PAE_INITIALIZE: return "INITIALIZE";
+	case AUTH_PAE_DISCONNECTED: return "DISCONNECTED";
+	case AUTH_PAE_CONNECTING: return "CONNECTING";
+	case AUTH_PAE_AUTHENTICATING: return "AUTHENTICATING";
+	case AUTH_PAE_AUTHENTICATED: return "AUTHENTICATED";
+	case AUTH_PAE_ABORTING: return "ABORTING";
+	case AUTH_PAE_HELD: return "HELD";
+	case AUTH_PAE_FORCE_AUTH: return "FORCE_AUTH";
+	case AUTH_PAE_FORCE_UNAUTH: return "FORCE_UNAUTH";
+	case AUTH_PAE_RESTART: return "RESTART";
+	default: return "Unknown";
+	}
+}
+
+
+static inline const char * be_auth_state_txt(int s)
+{
+	switch (s) {
+	case BE_AUTH_REQUEST: return "REQUEST";
+	case BE_AUTH_RESPONSE: return "RESPONSE";
+	case BE_AUTH_SUCCESS: return "SUCCESS";
+	case BE_AUTH_FAIL: return "FAIL";
+	case BE_AUTH_TIMEOUT: return "TIMEOUT";
+	case BE_AUTH_IDLE: return "IDLE";
+	case BE_AUTH_INITIALIZE: return "INITIALIZE";
+	case BE_AUTH_IGNORE: return "IGNORE";
+	default: return "Unknown";
+	}
+}
+
+
+static inline const char * reauth_timer_state_txt(int s)
+{
+	switch (s) {
+	case REAUTH_TIMER_INITIALIZE: return "INITIALIZE";
+	case REAUTH_TIMER_REAUTHENTICATE: return "REAUTHENTICATE";
+	default: return "Unknown";
+	}
+}
+
+
+static inline const char * auth_key_tx_state_txt(int s)
+{
+	switch (s) {
+	case AUTH_KEY_TX_NO_KEY_TRANSMIT: return "NO_KEY_TRANSMIT";
+	case AUTH_KEY_TX_KEY_TRANSMIT: return "KEY_TRANSMIT";
+	default: return "Unknown";
+	}
+}
+
+
+static inline const char * key_rx_state_txt(int s)
+{
+	switch (s) {
+	case KEY_RX_NO_KEY_RECEIVE: return "NO_KEY_RECEIVE";
+	case KEY_RX_KEY_RECEIVE: return "KEY_RECEIVE";
+	default: return "Unknown";
+	}
+}
+
+
+static inline const char * ctrl_dir_state_txt(int s)
+{
+	switch (s) {
+	case CTRL_DIR_FORCE_BOTH: return "FORCE_BOTH";
+	case CTRL_DIR_IN_OR_BOTH: return "IN_OR_BOTH";
+	default: return "Unknown";
+	}
+}
+
+
+void eapol_auth_dump_state(FILE *f, const char *prefix,
+			   struct eapol_state_machine *sm)
+{
+	fprintf(f, "%sEAPOL state machine:\n", prefix);
+	fprintf(f, "%s  aWhile=%d quietWhile=%d reAuthWhen=%d\n", prefix,
+		sm->aWhile, sm->quietWhile, sm->reAuthWhen);
+#define _SB(b) ((b) ? "TRUE" : "FALSE")
+	fprintf(f,
+		"%s  authAbort=%s authFail=%s authPortStatus=%s authStart=%s\n"
+		"%s  authTimeout=%s authSuccess=%s eapFail=%s eapolEap=%s\n"
+		"%s  eapSuccess=%s eapTimeout=%s initialize=%s "
+		"keyAvailable=%s\n"
+		"%s  keyDone=%s keyRun=%s keyTxEnabled=%s portControl=%s\n"
+		"%s  portEnabled=%s portValid=%s reAuthenticate=%s\n",
+		prefix, _SB(sm->authAbort), _SB(sm->authFail),
+		port_state_txt(sm->authPortStatus), _SB(sm->authStart),
+		prefix, _SB(sm->authTimeout), _SB(sm->authSuccess),
+		_SB(sm->eap_if->eapFail), _SB(sm->eapolEap),
+		prefix, _SB(sm->eap_if->eapSuccess),
+		_SB(sm->eap_if->eapTimeout),
+		_SB(sm->initialize), _SB(sm->eap_if->eapKeyAvailable),
+		prefix, _SB(sm->keyDone), _SB(sm->keyRun),
+		_SB(sm->keyTxEnabled), port_type_txt(sm->portControl),
+		prefix, _SB(sm->eap_if->portEnabled), _SB(sm->portValid),
+		_SB(sm->reAuthenticate));
+
+	fprintf(f, "%s  Authenticator PAE:\n"
+		"%s    state=%s\n"
+		"%s    eapolLogoff=%s eapolStart=%s eapRestart=%s\n"
+		"%s    portMode=%s reAuthCount=%d\n"
+		"%s    quietPeriod=%d reAuthMax=%d\n"
+		"%s    authEntersConnecting=%d\n"
+		"%s    authEapLogoffsWhileConnecting=%d\n"
+		"%s    authEntersAuthenticating=%d\n"
+		"%s    authAuthSuccessesWhileAuthenticating=%d\n"
+		"%s    authAuthTimeoutsWhileAuthenticating=%d\n"
+		"%s    authAuthFailWhileAuthenticating=%d\n"
+		"%s    authAuthEapStartsWhileAuthenticating=%d\n"
+		"%s    authAuthEapLogoffWhileAuthenticating=%d\n"
+		"%s    authAuthReauthsWhileAuthenticated=%d\n"
+		"%s    authAuthEapStartsWhileAuthenticated=%d\n"
+		"%s    authAuthEapLogoffWhileAuthenticated=%d\n",
+		prefix, prefix, auth_pae_state_txt(sm->auth_pae_state), prefix,
+		_SB(sm->eapolLogoff), _SB(sm->eapolStart),
+		_SB(sm->eap_if->eapRestart),
+		prefix, port_type_txt(sm->portMode), sm->reAuthCount,
+		prefix, sm->quietPeriod, sm->reAuthMax,
+		prefix, sm->authEntersConnecting,
+		prefix, sm->authEapLogoffsWhileConnecting,
+		prefix, sm->authEntersAuthenticating,
+		prefix, sm->authAuthSuccessesWhileAuthenticating,
+		prefix, sm->authAuthTimeoutsWhileAuthenticating,
+		prefix, sm->authAuthFailWhileAuthenticating,
+		prefix, sm->authAuthEapStartsWhileAuthenticating,
+		prefix, sm->authAuthEapLogoffWhileAuthenticating,
+		prefix, sm->authAuthReauthsWhileAuthenticated,
+		prefix, sm->authAuthEapStartsWhileAuthenticated,
+		prefix, sm->authAuthEapLogoffWhileAuthenticated);
+
+	fprintf(f, "%s  Backend Authentication:\n"
+		"%s    state=%s\n"
+		"%s    eapNoReq=%s eapReq=%s eapResp=%s\n"
+		"%s    serverTimeout=%d\n"
+		"%s    backendResponses=%d\n"
+		"%s    backendAccessChallenges=%d\n"
+		"%s    backendOtherRequestsToSupplicant=%d\n"
+		"%s    backendAuthSuccesses=%d\n"
+		"%s    backendAuthFails=%d\n",
+		prefix, prefix,
+		be_auth_state_txt(sm->be_auth_state),
+		prefix, _SB(sm->eap_if->eapNoReq), _SB(sm->eap_if->eapReq),
+		_SB(sm->eap_if->eapResp),
+		prefix, sm->serverTimeout,
+		prefix, sm->backendResponses,
+		prefix, sm->backendAccessChallenges,
+		prefix, sm->backendOtherRequestsToSupplicant,
+		prefix, sm->backendAuthSuccesses,
+		prefix, sm->backendAuthFails);
+
+	fprintf(f, "%s  Reauthentication Timer:\n"
+		"%s    state=%s\n"
+		"%s    reAuthPeriod=%d reAuthEnabled=%s\n", prefix, prefix,
+		reauth_timer_state_txt(sm->reauth_timer_state), prefix,
+		sm->reAuthPeriod, _SB(sm->reAuthEnabled));
+
+	fprintf(f, "%s  Authenticator Key Transmit:\n"
+		"%s    state=%s\n", prefix, prefix,
+		auth_key_tx_state_txt(sm->auth_key_tx_state));
+
+	fprintf(f, "%s  Key Receive:\n"
+		"%s    state=%s\n"
+		"%s    rxKey=%s\n", prefix, prefix,
+		key_rx_state_txt(sm->key_rx_state), prefix, _SB(sm->rxKey));
+
+	fprintf(f, "%s  Controlled Directions:\n"
+		"%s    state=%s\n"
+		"%s    adminControlledDirections=%s "
+		"operControlledDirections=%s\n"
+		"%s    operEdge=%s\n", prefix, prefix,
+		ctrl_dir_state_txt(sm->ctrl_dir_state),
+		prefix, ctrl_dir_txt(sm->adminControlledDirections),
+		ctrl_dir_txt(sm->operControlledDirections),
+		prefix, _SB(sm->operEdge));
+#undef _SB
+}
diff --git a/src/eapol_auth/eapol_auth_sm.c b/src/eapol_auth/eapol_auth_sm.c
new file mode 100644
index 0000000..841a1c5
--- /dev/null
+++ b/src/eapol_auth/eapol_auth_sm.c
@@ -0,0 +1,1145 @@
+/*
+ * IEEE 802.1X-2004 Authenticator - EAPOL state machine
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eloop.h"
+#include "state_machine.h"
+#include "common/eapol_common.h"
+#include "eap_common/eap_defs.h"
+#include "eap_common/eap_common.h"
+#include "eap_server/eap.h"
+#include "eapol_auth_sm.h"
+#include "eapol_auth_sm_i.h"
+
+#define STATE_MACHINE_DATA struct eapol_state_machine
+#define STATE_MACHINE_DEBUG_PREFIX "IEEE 802.1X"
+#define STATE_MACHINE_ADDR sm->addr
+
+static struct eapol_callbacks eapol_cb;
+
+/* EAPOL state machines are described in IEEE Std 802.1X-2004, Chap. 8.2 */
+
+#define setPortAuthorized() \
+sm->eapol->cb.set_port_authorized(sm->eapol->conf.ctx, sm->sta, 1)
+#define setPortUnauthorized() \
+sm->eapol->cb.set_port_authorized(sm->eapol->conf.ctx, sm->sta, 0)
+
+/* procedures */
+#define txCannedFail() eapol_auth_tx_canned_eap(sm, 0)
+#define txCannedSuccess() eapol_auth_tx_canned_eap(sm, 1)
+#define txReq() eapol_auth_tx_req(sm)
+#define abortAuth() sm->eapol->cb.abort_auth(sm->eapol->conf.ctx, sm->sta)
+#define txKey() sm->eapol->cb.tx_key(sm->eapol->conf.ctx, sm->sta)
+#define processKey() do { } while (0)
+
+
+static void eapol_sm_step_run(struct eapol_state_machine *sm);
+static void eapol_sm_step_cb(void *eloop_ctx, void *timeout_ctx);
+static void eapol_auth_initialize(struct eapol_state_machine *sm);
+
+
+static void eapol_auth_logger(struct eapol_authenticator *eapol,
+			      const u8 *addr, eapol_logger_level level,
+			      const char *txt)
+{
+	if (eapol->cb.logger == NULL)
+		return;
+	eapol->cb.logger(eapol->conf.ctx, addr, level, txt);
+}
+
+
+static void eapol_auth_vlogger(struct eapol_authenticator *eapol,
+			       const u8 *addr, eapol_logger_level level,
+			       const char *fmt, ...)
+{
+	char *format;
+	int maxlen;
+	va_list ap;
+
+	if (eapol->cb.logger == NULL)
+		return;
+
+	maxlen = os_strlen(fmt) + 100;
+	format = os_malloc(maxlen);
+	if (!format)
+		return;
+
+	va_start(ap, fmt);
+	vsnprintf(format, maxlen, fmt, ap);
+	va_end(ap);
+
+	eapol_auth_logger(eapol, addr, level, format);
+
+	os_free(format);
+}
+
+
+static void eapol_auth_tx_canned_eap(struct eapol_state_machine *sm,
+				     int success)
+{
+	struct eap_hdr eap;
+
+	os_memset(&eap, 0, sizeof(eap));
+
+	eap.code = success ? EAP_CODE_SUCCESS : EAP_CODE_FAILURE;
+	eap.identifier = ++sm->last_eap_id;
+	eap.length = host_to_be16(sizeof(eap));
+
+	eapol_auth_vlogger(sm->eapol, sm->addr, EAPOL_LOGGER_DEBUG,
+			   "Sending canned EAP packet %s (identifier %d)",
+			   success ? "SUCCESS" : "FAILURE", eap.identifier);
+	sm->eapol->cb.eapol_send(sm->eapol->conf.ctx, sm->sta,
+				 IEEE802_1X_TYPE_EAP_PACKET,
+				 (u8 *) &eap, sizeof(eap));
+	sm->dot1xAuthEapolFramesTx++;
+}
+
+
+static void eapol_auth_tx_req(struct eapol_state_machine *sm)
+{
+	if (sm->eap_if->eapReqData == NULL ||
+	    wpabuf_len(sm->eap_if->eapReqData) < sizeof(struct eap_hdr)) {
+		eapol_auth_logger(sm->eapol, sm->addr,
+				  EAPOL_LOGGER_DEBUG,
+				  "TxReq called, but there is no EAP request "
+				  "from authentication server");
+		return;
+	}
+
+	if (sm->flags & EAPOL_SM_WAIT_START) {
+		wpa_printf(MSG_DEBUG, "EAPOL: Drop EAPOL TX to " MACSTR
+			   " while waiting for EAPOL-Start",
+			   MAC2STR(sm->addr));
+		return;
+	}
+
+	sm->last_eap_id = eap_get_id(sm->eap_if->eapReqData);
+	eapol_auth_vlogger(sm->eapol, sm->addr, EAPOL_LOGGER_DEBUG,
+			   "Sending EAP Packet (identifier %d)",
+			   sm->last_eap_id);
+	sm->eapol->cb.eapol_send(sm->eapol->conf.ctx, sm->sta,
+				 IEEE802_1X_TYPE_EAP_PACKET,
+				 wpabuf_head(sm->eap_if->eapReqData),
+				 wpabuf_len(sm->eap_if->eapReqData));
+	sm->dot1xAuthEapolFramesTx++;
+	if (eap_get_type(sm->eap_if->eapReqData) == EAP_TYPE_IDENTITY)
+		sm->dot1xAuthEapolReqIdFramesTx++;
+	else
+		sm->dot1xAuthEapolReqFramesTx++;
+}
+
+
+/**
+ * eapol_port_timers_tick - Port Timers state machine
+ * @eloop_ctx: struct eapol_state_machine *
+ * @timeout_ctx: Not used
+ *
+ * This statemachine is implemented as a function that will be called
+ * once a second as a registered event loop timeout.
+ */
+static void eapol_port_timers_tick(void *eloop_ctx, void *timeout_ctx)
+{
+	struct eapol_state_machine *state = timeout_ctx;
+
+	if (state->aWhile > 0) {
+		state->aWhile--;
+		if (state->aWhile == 0) {
+			wpa_printf(MSG_DEBUG, "IEEE 802.1X: " MACSTR
+				   " - aWhile --> 0",
+				   MAC2STR(state->addr));
+		}
+	}
+
+	if (state->quietWhile > 0) {
+		state->quietWhile--;
+		if (state->quietWhile == 0) {
+			wpa_printf(MSG_DEBUG, "IEEE 802.1X: " MACSTR
+				   " - quietWhile --> 0",
+				   MAC2STR(state->addr));
+		}
+	}
+
+	if (state->reAuthWhen > 0) {
+		state->reAuthWhen--;
+		if (state->reAuthWhen == 0) {
+			wpa_printf(MSG_DEBUG, "IEEE 802.1X: " MACSTR
+				   " - reAuthWhen --> 0",
+				   MAC2STR(state->addr));
+		}
+	}
+
+	if (state->eap_if->retransWhile > 0) {
+		state->eap_if->retransWhile--;
+		if (state->eap_if->retransWhile == 0) {
+			wpa_printf(MSG_DEBUG, "IEEE 802.1X: " MACSTR
+				   " - (EAP) retransWhile --> 0",
+				   MAC2STR(state->addr));
+		}
+	}
+
+	eapol_sm_step_run(state);
+
+	eloop_register_timeout(1, 0, eapol_port_timers_tick, eloop_ctx, state);
+}
+
+
+
+/* Authenticator PAE state machine */
+
+SM_STATE(AUTH_PAE, INITIALIZE)
+{
+	SM_ENTRY_MA(AUTH_PAE, INITIALIZE, auth_pae);
+	sm->portMode = Auto;
+}
+
+
+SM_STATE(AUTH_PAE, DISCONNECTED)
+{
+	int from_initialize = sm->auth_pae_state == AUTH_PAE_INITIALIZE;
+
+	if (sm->eapolLogoff) {
+		if (sm->auth_pae_state == AUTH_PAE_CONNECTING)
+			sm->authEapLogoffsWhileConnecting++;
+		else if (sm->auth_pae_state == AUTH_PAE_AUTHENTICATED)
+			sm->authAuthEapLogoffWhileAuthenticated++;
+	}
+
+	SM_ENTRY_MA(AUTH_PAE, DISCONNECTED, auth_pae);
+
+	sm->authPortStatus = Unauthorized;
+	setPortUnauthorized();
+	sm->reAuthCount = 0;
+	sm->eapolLogoff = FALSE;
+	if (!from_initialize) {
+		sm->eapol->cb.finished(sm->eapol->conf.ctx, sm->sta, 0,
+				       sm->flags & EAPOL_SM_PREAUTH);
+	}
+}
+
+
+SM_STATE(AUTH_PAE, RESTART)
+{
+	if (sm->auth_pae_state == AUTH_PAE_AUTHENTICATED) {
+		if (sm->reAuthenticate)
+			sm->authAuthReauthsWhileAuthenticated++;
+		if (sm->eapolStart)
+			sm->authAuthEapStartsWhileAuthenticated++;
+		if (sm->eapolLogoff)
+			sm->authAuthEapLogoffWhileAuthenticated++;
+	}
+
+	SM_ENTRY_MA(AUTH_PAE, RESTART, auth_pae);
+
+	sm->eap_if->eapRestart = TRUE;
+}
+
+
+SM_STATE(AUTH_PAE, CONNECTING)
+{
+	if (sm->auth_pae_state != AUTH_PAE_CONNECTING)
+		sm->authEntersConnecting++;
+
+	SM_ENTRY_MA(AUTH_PAE, CONNECTING, auth_pae);
+
+	sm->reAuthenticate = FALSE;
+	sm->reAuthCount++;
+}
+
+
+SM_STATE(AUTH_PAE, HELD)
+{
+	if (sm->auth_pae_state == AUTH_PAE_AUTHENTICATING && sm->authFail)
+		sm->authAuthFailWhileAuthenticating++;
+
+	SM_ENTRY_MA(AUTH_PAE, HELD, auth_pae);
+
+	sm->authPortStatus = Unauthorized;
+	setPortUnauthorized();
+	sm->quietWhile = sm->quietPeriod;
+	sm->eapolLogoff = FALSE;
+
+	eapol_auth_vlogger(sm->eapol, sm->addr, EAPOL_LOGGER_WARNING,
+			   "authentication failed - EAP type: %d (%s)",
+			   sm->eap_type_authsrv,
+			   eap_server_get_name(0, sm->eap_type_authsrv));
+	if (sm->eap_type_authsrv != sm->eap_type_supp) {
+		eapol_auth_vlogger(sm->eapol, sm->addr, EAPOL_LOGGER_INFO,
+				   "Supplicant used different EAP type: "
+				   "%d (%s)", sm->eap_type_supp,
+				   eap_server_get_name(0, sm->eap_type_supp));
+	}
+	sm->eapol->cb.finished(sm->eapol->conf.ctx, sm->sta, 0,
+			       sm->flags & EAPOL_SM_PREAUTH);
+}
+
+
+SM_STATE(AUTH_PAE, AUTHENTICATED)
+{
+	char *extra = "";
+
+	if (sm->auth_pae_state == AUTH_PAE_AUTHENTICATING && sm->authSuccess)
+		sm->authAuthSuccessesWhileAuthenticating++;
+							
+	SM_ENTRY_MA(AUTH_PAE, AUTHENTICATED, auth_pae);
+
+	sm->authPortStatus = Authorized;
+	setPortAuthorized();
+	sm->reAuthCount = 0;
+	if (sm->flags & EAPOL_SM_PREAUTH)
+		extra = " (pre-authentication)";
+	else if (sm->flags & EAPOL_SM_FROM_PMKSA_CACHE)
+		extra = " (PMKSA cache)";
+	eapol_auth_vlogger(sm->eapol, sm->addr, EAPOL_LOGGER_INFO,
+			   "authenticated - EAP type: %d (%s)%s",
+			   sm->eap_type_authsrv,
+			   eap_server_get_name(0, sm->eap_type_authsrv),
+			   extra);
+	sm->eapol->cb.finished(sm->eapol->conf.ctx, sm->sta, 1,
+			       sm->flags & EAPOL_SM_PREAUTH);
+}
+
+
+SM_STATE(AUTH_PAE, AUTHENTICATING)
+{
+	SM_ENTRY_MA(AUTH_PAE, AUTHENTICATING, auth_pae);
+
+	sm->eapolStart = FALSE;
+	sm->authSuccess = FALSE;
+	sm->authFail = FALSE;
+	sm->authTimeout = FALSE;
+	sm->authStart = TRUE;
+	sm->keyRun = FALSE;
+	sm->keyDone = FALSE;
+}
+
+
+SM_STATE(AUTH_PAE, ABORTING)
+{
+	if (sm->auth_pae_state == AUTH_PAE_AUTHENTICATING) {
+		if (sm->authTimeout)
+			sm->authAuthTimeoutsWhileAuthenticating++;
+		if (sm->eapolStart)
+			sm->authAuthEapStartsWhileAuthenticating++;
+		if (sm->eapolLogoff)
+			sm->authAuthEapLogoffWhileAuthenticating++;
+	}
+
+	SM_ENTRY_MA(AUTH_PAE, ABORTING, auth_pae);
+
+	sm->authAbort = TRUE;
+	sm->keyRun = FALSE;
+	sm->keyDone = FALSE;
+}
+
+
+SM_STATE(AUTH_PAE, FORCE_AUTH)
+{
+	SM_ENTRY_MA(AUTH_PAE, FORCE_AUTH, auth_pae);
+
+	sm->authPortStatus = Authorized;
+	setPortAuthorized();
+	sm->portMode = ForceAuthorized;
+	sm->eapolStart = FALSE;
+	txCannedSuccess();
+}
+
+
+SM_STATE(AUTH_PAE, FORCE_UNAUTH)
+{
+	SM_ENTRY_MA(AUTH_PAE, FORCE_UNAUTH, auth_pae);
+
+	sm->authPortStatus = Unauthorized;
+	setPortUnauthorized();
+	sm->portMode = ForceUnauthorized;
+	sm->eapolStart = FALSE;
+	txCannedFail();
+}
+
+
+SM_STEP(AUTH_PAE)
+{
+	if ((sm->portControl == Auto && sm->portMode != sm->portControl) ||
+	    sm->initialize || !sm->eap_if->portEnabled)
+		SM_ENTER_GLOBAL(AUTH_PAE, INITIALIZE);
+	else if (sm->portControl == ForceAuthorized &&
+		 sm->portMode != sm->portControl &&
+		 !(sm->initialize || !sm->eap_if->portEnabled))
+		SM_ENTER_GLOBAL(AUTH_PAE, FORCE_AUTH);
+	else if (sm->portControl == ForceUnauthorized &&
+		 sm->portMode != sm->portControl &&
+		 !(sm->initialize || !sm->eap_if->portEnabled))
+		SM_ENTER_GLOBAL(AUTH_PAE, FORCE_UNAUTH);
+	else {
+		switch (sm->auth_pae_state) {
+		case AUTH_PAE_INITIALIZE:
+			SM_ENTER(AUTH_PAE, DISCONNECTED);
+			break;
+		case AUTH_PAE_DISCONNECTED:
+			SM_ENTER(AUTH_PAE, RESTART);
+			break;
+		case AUTH_PAE_RESTART:
+			if (!sm->eap_if->eapRestart)
+				SM_ENTER(AUTH_PAE, CONNECTING);
+			break;
+		case AUTH_PAE_HELD:
+			if (sm->quietWhile == 0)
+				SM_ENTER(AUTH_PAE, RESTART);
+			break;
+		case AUTH_PAE_CONNECTING:
+			if (sm->eapolLogoff || sm->reAuthCount > sm->reAuthMax)
+				SM_ENTER(AUTH_PAE, DISCONNECTED);
+			else if ((sm->eap_if->eapReq &&
+				  sm->reAuthCount <= sm->reAuthMax) ||
+				 sm->eap_if->eapSuccess || sm->eap_if->eapFail)
+				SM_ENTER(AUTH_PAE, AUTHENTICATING);
+			break;
+		case AUTH_PAE_AUTHENTICATED:
+			if (sm->eapolStart || sm->reAuthenticate)
+				SM_ENTER(AUTH_PAE, RESTART);
+			else if (sm->eapolLogoff || !sm->portValid)
+				SM_ENTER(AUTH_PAE, DISCONNECTED);
+			break;
+		case AUTH_PAE_AUTHENTICATING:
+			if (sm->authSuccess && sm->portValid)
+				SM_ENTER(AUTH_PAE, AUTHENTICATED);
+			else if (sm->authFail ||
+				 (sm->keyDone && !sm->portValid))
+				SM_ENTER(AUTH_PAE, HELD);
+			else if (sm->eapolStart || sm->eapolLogoff ||
+				 sm->authTimeout)
+				SM_ENTER(AUTH_PAE, ABORTING);
+			break;
+		case AUTH_PAE_ABORTING:
+			if (sm->eapolLogoff && !sm->authAbort)
+				SM_ENTER(AUTH_PAE, DISCONNECTED);
+			else if (!sm->eapolLogoff && !sm->authAbort)
+				SM_ENTER(AUTH_PAE, RESTART);
+			break;
+		case AUTH_PAE_FORCE_AUTH:
+			if (sm->eapolStart)
+				SM_ENTER(AUTH_PAE, FORCE_AUTH);
+			break;
+		case AUTH_PAE_FORCE_UNAUTH:
+			if (sm->eapolStart)
+				SM_ENTER(AUTH_PAE, FORCE_UNAUTH);
+			break;
+		}
+	}
+}
+
+
+
+/* Backend Authentication state machine */
+
+SM_STATE(BE_AUTH, INITIALIZE)
+{
+	SM_ENTRY_MA(BE_AUTH, INITIALIZE, be_auth);
+
+	abortAuth();
+	sm->eap_if->eapNoReq = FALSE;
+	sm->authAbort = FALSE;
+}
+
+
+SM_STATE(BE_AUTH, REQUEST)
+{
+	SM_ENTRY_MA(BE_AUTH, REQUEST, be_auth);
+
+	txReq();
+	sm->eap_if->eapReq = FALSE;
+	sm->backendOtherRequestsToSupplicant++;
+
+	/*
+	 * Clearing eapolEap here is not specified in IEEE Std 802.1X-2004, but
+	 * it looks like this would be logical thing to do there since the old
+	 * EAP response would not be valid anymore after the new EAP request
+	 * was sent out.
+	 *
+	 * A race condition has been reported, in which hostapd ended up
+	 * sending out EAP-Response/Identity as a response to the first
+	 * EAP-Request from the main EAP method. This can be avoided by
+	 * clearing eapolEap here.
+	 */
+	sm->eapolEap = FALSE;
+}
+
+
+SM_STATE(BE_AUTH, RESPONSE)
+{
+	SM_ENTRY_MA(BE_AUTH, RESPONSE, be_auth);
+
+	sm->authTimeout = FALSE;
+	sm->eapolEap = FALSE;
+	sm->eap_if->eapNoReq = FALSE;
+	sm->aWhile = sm->serverTimeout;
+	sm->eap_if->eapResp = TRUE;
+	/* sendRespToServer(); */
+	sm->backendResponses++;
+}
+
+
+SM_STATE(BE_AUTH, SUCCESS)
+{
+	SM_ENTRY_MA(BE_AUTH, SUCCESS, be_auth);
+
+	txReq();
+	sm->authSuccess = TRUE;
+	sm->keyRun = TRUE;
+}
+
+
+SM_STATE(BE_AUTH, FAIL)
+{
+	SM_ENTRY_MA(BE_AUTH, FAIL, be_auth);
+
+	txReq();
+	sm->authFail = TRUE;
+}
+
+
+SM_STATE(BE_AUTH, TIMEOUT)
+{
+	SM_ENTRY_MA(BE_AUTH, TIMEOUT, be_auth);
+
+	sm->authTimeout = TRUE;
+}
+
+
+SM_STATE(BE_AUTH, IDLE)
+{
+	SM_ENTRY_MA(BE_AUTH, IDLE, be_auth);
+
+	sm->authStart = FALSE;
+}
+
+
+SM_STATE(BE_AUTH, IGNORE)
+{
+	SM_ENTRY_MA(BE_AUTH, IGNORE, be_auth);
+
+	sm->eap_if->eapNoReq = FALSE;
+}
+
+
+SM_STEP(BE_AUTH)
+{
+	if (sm->portControl != Auto || sm->initialize || sm->authAbort) {
+		SM_ENTER_GLOBAL(BE_AUTH, INITIALIZE);
+		return;
+	}
+
+	switch (sm->be_auth_state) {
+	case BE_AUTH_INITIALIZE:
+		SM_ENTER(BE_AUTH, IDLE);
+		break;
+	case BE_AUTH_REQUEST:
+		if (sm->eapolEap)
+			SM_ENTER(BE_AUTH, RESPONSE);
+		else if (sm->eap_if->eapReq)
+			SM_ENTER(BE_AUTH, REQUEST);
+		else if (sm->eap_if->eapTimeout)
+			SM_ENTER(BE_AUTH, TIMEOUT);
+		break;
+	case BE_AUTH_RESPONSE:
+		if (sm->eap_if->eapNoReq)
+			SM_ENTER(BE_AUTH, IGNORE);
+		if (sm->eap_if->eapReq) {
+			sm->backendAccessChallenges++;
+			SM_ENTER(BE_AUTH, REQUEST);
+		} else if (sm->aWhile == 0)
+			SM_ENTER(BE_AUTH, TIMEOUT);
+		else if (sm->eap_if->eapFail) {
+			sm->backendAuthFails++;
+			SM_ENTER(BE_AUTH, FAIL);
+		} else if (sm->eap_if->eapSuccess) {
+			sm->backendAuthSuccesses++;
+			SM_ENTER(BE_AUTH, SUCCESS);
+		}
+		break;
+	case BE_AUTH_SUCCESS:
+		SM_ENTER(BE_AUTH, IDLE);
+		break;
+	case BE_AUTH_FAIL:
+		SM_ENTER(BE_AUTH, IDLE);
+		break;
+	case BE_AUTH_TIMEOUT:
+		SM_ENTER(BE_AUTH, IDLE);
+		break;
+	case BE_AUTH_IDLE:
+		if (sm->eap_if->eapFail && sm->authStart)
+			SM_ENTER(BE_AUTH, FAIL);
+		else if (sm->eap_if->eapReq && sm->authStart)
+			SM_ENTER(BE_AUTH, REQUEST);
+		else if (sm->eap_if->eapSuccess && sm->authStart)
+			SM_ENTER(BE_AUTH, SUCCESS);
+		break;
+	case BE_AUTH_IGNORE:
+		if (sm->eapolEap)
+			SM_ENTER(BE_AUTH, RESPONSE);
+		else if (sm->eap_if->eapReq)
+			SM_ENTER(BE_AUTH, REQUEST);
+		else if (sm->eap_if->eapTimeout)
+			SM_ENTER(BE_AUTH, TIMEOUT);
+		break;
+	}
+}
+
+
+
+/* Reauthentication Timer state machine */
+
+SM_STATE(REAUTH_TIMER, INITIALIZE)
+{
+	SM_ENTRY_MA(REAUTH_TIMER, INITIALIZE, reauth_timer);
+
+	sm->reAuthWhen = sm->reAuthPeriod;
+}
+
+
+SM_STATE(REAUTH_TIMER, REAUTHENTICATE)
+{
+	SM_ENTRY_MA(REAUTH_TIMER, REAUTHENTICATE, reauth_timer);
+
+	sm->reAuthenticate = TRUE;
+	sm->eapol->cb.eapol_event(sm->eapol->conf.ctx, sm->sta,
+				  EAPOL_AUTH_REAUTHENTICATE);
+}
+
+
+SM_STEP(REAUTH_TIMER)
+{
+	if (sm->portControl != Auto || sm->initialize ||
+	    sm->authPortStatus == Unauthorized || !sm->reAuthEnabled) {
+		SM_ENTER_GLOBAL(REAUTH_TIMER, INITIALIZE);
+		return;
+	}
+
+	switch (sm->reauth_timer_state) {
+	case REAUTH_TIMER_INITIALIZE:
+		if (sm->reAuthWhen == 0)
+			SM_ENTER(REAUTH_TIMER, REAUTHENTICATE);
+		break;
+	case REAUTH_TIMER_REAUTHENTICATE:
+		SM_ENTER(REAUTH_TIMER, INITIALIZE);
+		break;
+	}
+}
+
+
+
+/* Authenticator Key Transmit state machine */
+
+SM_STATE(AUTH_KEY_TX, NO_KEY_TRANSMIT)
+{
+	SM_ENTRY_MA(AUTH_KEY_TX, NO_KEY_TRANSMIT, auth_key_tx);
+}
+
+
+SM_STATE(AUTH_KEY_TX, KEY_TRANSMIT)
+{
+	SM_ENTRY_MA(AUTH_KEY_TX, KEY_TRANSMIT, auth_key_tx);
+
+	txKey();
+	sm->eap_if->eapKeyAvailable = FALSE;
+	sm->keyDone = TRUE;
+}
+
+
+SM_STEP(AUTH_KEY_TX)
+{
+	if (sm->initialize || sm->portControl != Auto) {
+		SM_ENTER_GLOBAL(AUTH_KEY_TX, NO_KEY_TRANSMIT);
+		return;
+	}
+
+	switch (sm->auth_key_tx_state) {
+	case AUTH_KEY_TX_NO_KEY_TRANSMIT:
+		if (sm->keyTxEnabled && sm->eap_if->eapKeyAvailable &&
+		    sm->keyRun && !(sm->flags & EAPOL_SM_USES_WPA))
+			SM_ENTER(AUTH_KEY_TX, KEY_TRANSMIT);
+		break;
+	case AUTH_KEY_TX_KEY_TRANSMIT:
+		if (!sm->keyTxEnabled || !sm->keyRun)
+			SM_ENTER(AUTH_KEY_TX, NO_KEY_TRANSMIT);
+		else if (sm->eap_if->eapKeyAvailable)
+			SM_ENTER(AUTH_KEY_TX, KEY_TRANSMIT);
+		break;
+	}
+}
+
+
+
+/* Key Receive state machine */
+
+SM_STATE(KEY_RX, NO_KEY_RECEIVE)
+{
+	SM_ENTRY_MA(KEY_RX, NO_KEY_RECEIVE, key_rx);
+}
+
+
+SM_STATE(KEY_RX, KEY_RECEIVE)
+{
+	SM_ENTRY_MA(KEY_RX, KEY_RECEIVE, key_rx);
+
+	processKey();
+	sm->rxKey = FALSE;
+}
+
+
+SM_STEP(KEY_RX)
+{
+	if (sm->initialize || !sm->eap_if->portEnabled) {
+		SM_ENTER_GLOBAL(KEY_RX, NO_KEY_RECEIVE);
+		return;
+	}
+
+	switch (sm->key_rx_state) {
+	case KEY_RX_NO_KEY_RECEIVE:
+		if (sm->rxKey)
+			SM_ENTER(KEY_RX, KEY_RECEIVE);
+		break;
+	case KEY_RX_KEY_RECEIVE:
+		if (sm->rxKey)
+			SM_ENTER(KEY_RX, KEY_RECEIVE);
+		break;
+	}
+}
+
+
+
+/* Controlled Directions state machine */
+
+SM_STATE(CTRL_DIR, FORCE_BOTH)
+{
+	SM_ENTRY_MA(CTRL_DIR, FORCE_BOTH, ctrl_dir);
+	sm->operControlledDirections = Both;
+}
+
+
+SM_STATE(CTRL_DIR, IN_OR_BOTH)
+{
+	SM_ENTRY_MA(CTRL_DIR, IN_OR_BOTH, ctrl_dir);
+	sm->operControlledDirections = sm->adminControlledDirections;
+}
+
+
+SM_STEP(CTRL_DIR)
+{
+	if (sm->initialize) {
+		SM_ENTER_GLOBAL(CTRL_DIR, IN_OR_BOTH);
+		return;
+	}
+
+	switch (sm->ctrl_dir_state) {
+	case CTRL_DIR_FORCE_BOTH:
+		if (sm->eap_if->portEnabled && sm->operEdge)
+			SM_ENTER(CTRL_DIR, IN_OR_BOTH);
+		break;
+	case CTRL_DIR_IN_OR_BOTH:
+		if (sm->operControlledDirections !=
+		    sm->adminControlledDirections)
+			SM_ENTER(CTRL_DIR, IN_OR_BOTH);
+		if (!sm->eap_if->portEnabled || !sm->operEdge)
+			SM_ENTER(CTRL_DIR, FORCE_BOTH);
+		break;
+	}
+}
+
+
+
+struct eapol_state_machine *
+eapol_auth_alloc(struct eapol_authenticator *eapol, const u8 *addr,
+		 int flags, const struct wpabuf *assoc_wps_ie,
+		 const struct wpabuf *assoc_p2p_ie, void *sta_ctx)
+{
+	struct eapol_state_machine *sm;
+	struct eap_config eap_conf;
+
+	if (eapol == NULL)
+		return NULL;
+
+	sm = os_zalloc(sizeof(*sm));
+	if (sm == NULL) {
+		wpa_printf(MSG_DEBUG, "IEEE 802.1X state machine allocation "
+			   "failed");
+		return NULL;
+	}
+	sm->radius_identifier = -1;
+	os_memcpy(sm->addr, addr, ETH_ALEN);
+	sm->flags = flags;
+
+	sm->eapol = eapol;
+	sm->sta = sta_ctx;
+
+	/* Set default values for state machine constants */
+	sm->auth_pae_state = AUTH_PAE_INITIALIZE;
+	sm->quietPeriod = AUTH_PAE_DEFAULT_quietPeriod;
+	sm->reAuthMax = AUTH_PAE_DEFAULT_reAuthMax;
+
+	sm->be_auth_state = BE_AUTH_INITIALIZE;
+	sm->serverTimeout = BE_AUTH_DEFAULT_serverTimeout;
+
+	sm->reauth_timer_state = REAUTH_TIMER_INITIALIZE;
+	sm->reAuthPeriod = eapol->conf.eap_reauth_period;
+	sm->reAuthEnabled = eapol->conf.eap_reauth_period > 0 ? TRUE : FALSE;
+
+	sm->auth_key_tx_state = AUTH_KEY_TX_NO_KEY_TRANSMIT;
+
+	sm->key_rx_state = KEY_RX_NO_KEY_RECEIVE;
+
+	sm->ctrl_dir_state = CTRL_DIR_IN_OR_BOTH;
+
+	sm->portControl = Auto;
+
+	if (!eapol->conf.wpa &&
+	    (eapol->default_wep_key || eapol->conf.individual_wep_key_len > 0))
+		sm->keyTxEnabled = TRUE;
+	else
+		sm->keyTxEnabled = FALSE;
+	if (eapol->conf.wpa)
+		sm->portValid = FALSE;
+	else
+		sm->portValid = TRUE;
+
+	os_memset(&eap_conf, 0, sizeof(eap_conf));
+	eap_conf.eap_server = eapol->conf.eap_server;
+	eap_conf.ssl_ctx = eapol->conf.ssl_ctx;
+	eap_conf.msg_ctx = eapol->conf.msg_ctx;
+	eap_conf.eap_sim_db_priv = eapol->conf.eap_sim_db_priv;
+	eap_conf.pac_opaque_encr_key = eapol->conf.pac_opaque_encr_key;
+	eap_conf.eap_fast_a_id = eapol->conf.eap_fast_a_id;
+	eap_conf.eap_fast_a_id_len = eapol->conf.eap_fast_a_id_len;
+	eap_conf.eap_fast_a_id_info = eapol->conf.eap_fast_a_id_info;
+	eap_conf.eap_fast_prov = eapol->conf.eap_fast_prov;
+	eap_conf.pac_key_lifetime = eapol->conf.pac_key_lifetime;
+	eap_conf.pac_key_refresh_time = eapol->conf.pac_key_refresh_time;
+	eap_conf.eap_sim_aka_result_ind = eapol->conf.eap_sim_aka_result_ind;
+	eap_conf.tnc = eapol->conf.tnc;
+	eap_conf.wps = eapol->conf.wps;
+	eap_conf.assoc_wps_ie = assoc_wps_ie;
+	eap_conf.assoc_p2p_ie = assoc_p2p_ie;
+	eap_conf.peer_addr = addr;
+	eap_conf.fragment_size = eapol->conf.fragment_size;
+	eap_conf.pwd_group = eapol->conf.pwd_group;
+	sm->eap = eap_server_sm_init(sm, &eapol_cb, &eap_conf);
+	if (sm->eap == NULL) {
+		eapol_auth_free(sm);
+		return NULL;
+	}
+	sm->eap_if = eap_get_interface(sm->eap);
+
+	eapol_auth_initialize(sm);
+
+	return sm;
+}
+
+
+void eapol_auth_free(struct eapol_state_machine *sm)
+{
+	if (sm == NULL)
+		return;
+
+	eloop_cancel_timeout(eapol_port_timers_tick, NULL, sm);
+	eloop_cancel_timeout(eapol_sm_step_cb, sm, NULL);
+	if (sm->eap)
+		eap_server_sm_deinit(sm->eap);
+	os_free(sm);
+}
+
+
+static int eapol_sm_sta_entry_alive(struct eapol_authenticator *eapol,
+				    const u8 *addr)
+{
+	return eapol->cb.sta_entry_alive(eapol->conf.ctx, addr);
+}
+
+
+static void eapol_sm_step_run(struct eapol_state_machine *sm)
+{
+	struct eapol_authenticator *eapol = sm->eapol;
+	u8 addr[ETH_ALEN];
+	unsigned int prev_auth_pae, prev_be_auth, prev_reauth_timer,
+		prev_auth_key_tx, prev_key_rx, prev_ctrl_dir;
+	int max_steps = 100;
+
+	os_memcpy(addr, sm->addr, ETH_ALEN);
+
+	/*
+	 * Allow EAPOL state machines to run as long as there are state
+	 * changes, but exit and return here through event loop if more than
+	 * 100 steps is needed as a precaution against infinite loops inside
+	 * eloop callback.
+	 */
+restart:
+	prev_auth_pae = sm->auth_pae_state;
+	prev_be_auth = sm->be_auth_state;
+	prev_reauth_timer = sm->reauth_timer_state;
+	prev_auth_key_tx = sm->auth_key_tx_state;
+	prev_key_rx = sm->key_rx_state;
+	prev_ctrl_dir = sm->ctrl_dir_state;
+
+	SM_STEP_RUN(AUTH_PAE);
+	if (sm->initializing || eapol_sm_sta_entry_alive(eapol, addr))
+		SM_STEP_RUN(BE_AUTH);
+	if (sm->initializing || eapol_sm_sta_entry_alive(eapol, addr))
+		SM_STEP_RUN(REAUTH_TIMER);
+	if (sm->initializing || eapol_sm_sta_entry_alive(eapol, addr))
+		SM_STEP_RUN(AUTH_KEY_TX);
+	if (sm->initializing || eapol_sm_sta_entry_alive(eapol, addr))
+		SM_STEP_RUN(KEY_RX);
+	if (sm->initializing || eapol_sm_sta_entry_alive(eapol, addr))
+		SM_STEP_RUN(CTRL_DIR);
+
+	if (prev_auth_pae != sm->auth_pae_state ||
+	    prev_be_auth != sm->be_auth_state ||
+	    prev_reauth_timer != sm->reauth_timer_state ||
+	    prev_auth_key_tx != sm->auth_key_tx_state ||
+	    prev_key_rx != sm->key_rx_state ||
+	    prev_ctrl_dir != sm->ctrl_dir_state) {
+		if (--max_steps > 0)
+			goto restart;
+		/* Re-run from eloop timeout */
+		eapol_auth_step(sm);
+		return;
+	}
+
+	if (eapol_sm_sta_entry_alive(eapol, addr) && sm->eap) {
+		if (eap_server_sm_step(sm->eap)) {
+			if (--max_steps > 0)
+				goto restart;
+			/* Re-run from eloop timeout */
+			eapol_auth_step(sm);
+			return;
+		}
+
+		/* TODO: find a better location for this */
+		if (sm->eap_if->aaaEapResp) {
+			sm->eap_if->aaaEapResp = FALSE;
+			if (sm->eap_if->aaaEapRespData == NULL) {
+				wpa_printf(MSG_DEBUG, "EAPOL: aaaEapResp set, "
+					   "but no aaaEapRespData available");
+				return;
+			}
+			sm->eapol->cb.aaa_send(
+				sm->eapol->conf.ctx, sm->sta,
+				wpabuf_head(sm->eap_if->aaaEapRespData),
+				wpabuf_len(sm->eap_if->aaaEapRespData));
+		}
+	}
+
+	if (eapol_sm_sta_entry_alive(eapol, addr))
+		sm->eapol->cb.eapol_event(sm->eapol->conf.ctx, sm->sta,
+					  EAPOL_AUTH_SM_CHANGE);
+}
+
+
+static void eapol_sm_step_cb(void *eloop_ctx, void *timeout_ctx)
+{
+	struct eapol_state_machine *sm = eloop_ctx;
+	eapol_sm_step_run(sm);
+}
+
+
+/**
+ * eapol_auth_step - Advance EAPOL state machines
+ * @sm: EAPOL state machine
+ *
+ * This function is called to advance EAPOL state machines after any change
+ * that could affect their state.
+ */
+void eapol_auth_step(struct eapol_state_machine *sm)
+{
+	/*
+	 * Run eapol_sm_step_run from a registered timeout to make sure that
+	 * other possible timeouts/events are processed and to avoid long
+	 * function call chains.
+	 */
+
+	eloop_register_timeout(0, 0, eapol_sm_step_cb, sm, NULL);
+}
+
+
+static void eapol_auth_initialize(struct eapol_state_machine *sm)
+{
+	sm->initializing = TRUE;
+	/* Initialize the state machines by asserting initialize and then
+	 * deasserting it after one step */
+	sm->initialize = TRUE;
+	eapol_sm_step_run(sm);
+	sm->initialize = FALSE;
+	eapol_sm_step_run(sm);
+	sm->initializing = FALSE;
+
+	/* Start one second tick for port timers state machine */
+	eloop_cancel_timeout(eapol_port_timers_tick, NULL, sm);
+	eloop_register_timeout(1, 0, eapol_port_timers_tick, NULL, sm);
+}
+
+
+static int eapol_sm_get_eap_user(void *ctx, const u8 *identity,
+				 size_t identity_len, int phase2,
+				 struct eap_user *user)
+{
+	struct eapol_state_machine *sm = ctx;
+	return sm->eapol->cb.get_eap_user(sm->eapol->conf.ctx, identity,
+					  identity_len, phase2, user);
+}
+
+
+static const char * eapol_sm_get_eap_req_id_text(void *ctx, size_t *len)
+{
+	struct eapol_state_machine *sm = ctx;
+	*len = sm->eapol->conf.eap_req_id_text_len;
+	return sm->eapol->conf.eap_req_id_text;
+}
+
+
+static struct eapol_callbacks eapol_cb =
+{
+	eapol_sm_get_eap_user,
+	eapol_sm_get_eap_req_id_text
+};
+
+
+int eapol_auth_eap_pending_cb(struct eapol_state_machine *sm, void *ctx)
+{
+	if (sm == NULL || ctx != sm->eap)
+		return -1;
+
+	eap_sm_pending_cb(sm->eap);
+	eapol_auth_step(sm);
+
+	return 0;
+}
+
+
+static int eapol_auth_conf_clone(struct eapol_auth_config *dst,
+				 struct eapol_auth_config *src)
+{
+	dst->ctx = src->ctx;
+	dst->eap_reauth_period = src->eap_reauth_period;
+	dst->wpa = src->wpa;
+	dst->individual_wep_key_len = src->individual_wep_key_len;
+	dst->eap_server = src->eap_server;
+	dst->ssl_ctx = src->ssl_ctx;
+	dst->msg_ctx = src->msg_ctx;
+	dst->eap_sim_db_priv = src->eap_sim_db_priv;
+	os_free(dst->eap_req_id_text);
+	dst->pwd_group = src->pwd_group;
+	if (src->eap_req_id_text) {
+		dst->eap_req_id_text = os_malloc(src->eap_req_id_text_len);
+		if (dst->eap_req_id_text == NULL)
+			return -1;
+		os_memcpy(dst->eap_req_id_text, src->eap_req_id_text,
+			  src->eap_req_id_text_len);
+		dst->eap_req_id_text_len = src->eap_req_id_text_len;
+	} else {
+		dst->eap_req_id_text = NULL;
+		dst->eap_req_id_text_len = 0;
+	}
+	if (src->pac_opaque_encr_key) {
+		dst->pac_opaque_encr_key = os_malloc(16);
+		os_memcpy(dst->pac_opaque_encr_key, src->pac_opaque_encr_key,
+			  16);
+	} else
+		dst->pac_opaque_encr_key = NULL;
+	if (src->eap_fast_a_id) {
+		dst->eap_fast_a_id = os_malloc(src->eap_fast_a_id_len);
+		if (dst->eap_fast_a_id == NULL) {
+			os_free(dst->eap_req_id_text);
+			return -1;
+		}
+		os_memcpy(dst->eap_fast_a_id, src->eap_fast_a_id,
+			  src->eap_fast_a_id_len);
+		dst->eap_fast_a_id_len = src->eap_fast_a_id_len;
+	} else
+		dst->eap_fast_a_id = NULL;
+	if (src->eap_fast_a_id_info) {
+		dst->eap_fast_a_id_info = os_strdup(src->eap_fast_a_id_info);
+		if (dst->eap_fast_a_id_info == NULL) {
+			os_free(dst->eap_req_id_text);
+			os_free(dst->eap_fast_a_id);
+			return -1;
+		}
+	} else
+		dst->eap_fast_a_id_info = NULL;
+	dst->eap_fast_prov = src->eap_fast_prov;
+	dst->pac_key_lifetime = src->pac_key_lifetime;
+	dst->pac_key_refresh_time = src->pac_key_refresh_time;
+	dst->eap_sim_aka_result_ind = src->eap_sim_aka_result_ind;
+	dst->tnc = src->tnc;
+	dst->wps = src->wps;
+	dst->fragment_size = src->fragment_size;
+	return 0;
+}
+
+
+static void eapol_auth_conf_free(struct eapol_auth_config *conf)
+{
+	os_free(conf->eap_req_id_text);
+	conf->eap_req_id_text = NULL;
+	os_free(conf->pac_opaque_encr_key);
+	conf->pac_opaque_encr_key = NULL;
+	os_free(conf->eap_fast_a_id);
+	conf->eap_fast_a_id = NULL;
+	os_free(conf->eap_fast_a_id_info);
+	conf->eap_fast_a_id_info = NULL;
+}
+
+
+struct eapol_authenticator * eapol_auth_init(struct eapol_auth_config *conf,
+					     struct eapol_auth_cb *cb)
+{
+	struct eapol_authenticator *eapol;
+
+	eapol = os_zalloc(sizeof(*eapol));
+	if (eapol == NULL)
+		return NULL;
+
+	if (eapol_auth_conf_clone(&eapol->conf, conf) < 0) {
+		os_free(eapol);
+		return NULL;
+	}
+
+	if (conf->individual_wep_key_len > 0) {
+		/* use key0 in individual key and key1 in broadcast key */
+		eapol->default_wep_key_idx = 1;
+	}
+
+	eapol->cb.eapol_send = cb->eapol_send;
+	eapol->cb.aaa_send = cb->aaa_send;
+	eapol->cb.finished = cb->finished;
+	eapol->cb.get_eap_user = cb->get_eap_user;
+	eapol->cb.sta_entry_alive = cb->sta_entry_alive;
+	eapol->cb.logger = cb->logger;
+	eapol->cb.set_port_authorized = cb->set_port_authorized;
+	eapol->cb.abort_auth = cb->abort_auth;
+	eapol->cb.tx_key = cb->tx_key;
+	eapol->cb.eapol_event = cb->eapol_event;
+
+	return eapol;
+}
+
+
+void eapol_auth_deinit(struct eapol_authenticator *eapol)
+{
+	if (eapol == NULL)
+		return;
+
+	eapol_auth_conf_free(&eapol->conf);
+	os_free(eapol->default_wep_key);
+	os_free(eapol);
+}
diff --git a/src/eapol_auth/eapol_auth_sm.h b/src/eapol_auth/eapol_auth_sm.h
new file mode 100644
index 0000000..59a10b4
--- /dev/null
+++ b/src/eapol_auth/eapol_auth_sm.h
@@ -0,0 +1,92 @@
+/*
+ * IEEE 802.1X-2004 Authenticator - EAPOL state machine
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAPOL_AUTH_SM_H
+#define EAPOL_AUTH_SM_H
+
+#define EAPOL_SM_PREAUTH BIT(0)
+#define EAPOL_SM_WAIT_START BIT(1)
+#define EAPOL_SM_USES_WPA BIT(2)
+#define EAPOL_SM_FROM_PMKSA_CACHE BIT(3)
+
+struct eapol_auth_config {
+	int eap_reauth_period;
+	int wpa;
+	int individual_wep_key_len;
+	int eap_server;
+	void *ssl_ctx;
+	void *msg_ctx;
+	void *eap_sim_db_priv;
+	char *eap_req_id_text; /* a copy of this will be allocated */
+	size_t eap_req_id_text_len;
+	u8 *pac_opaque_encr_key;
+	u8 *eap_fast_a_id;
+	size_t eap_fast_a_id_len;
+	char *eap_fast_a_id_info;
+	int eap_fast_prov;
+	int pac_key_lifetime;
+	int pac_key_refresh_time;
+	int eap_sim_aka_result_ind;
+	int tnc;
+	struct wps_context *wps;
+	int fragment_size;
+	u16 pwd_group;
+
+	/* Opaque context pointer to owner data for callback functions */
+	void *ctx;
+};
+
+struct eap_user;
+
+typedef enum {
+	EAPOL_LOGGER_DEBUG, EAPOL_LOGGER_INFO, EAPOL_LOGGER_WARNING
+} eapol_logger_level;
+
+enum eapol_event {
+	EAPOL_AUTH_SM_CHANGE,
+	EAPOL_AUTH_REAUTHENTICATE
+};
+
+struct eapol_auth_cb {
+	void (*eapol_send)(void *ctx, void *sta_ctx, u8 type, const u8 *data,
+			   size_t datalen);
+	void (*aaa_send)(void *ctx, void *sta_ctx, const u8 *data,
+			 size_t datalen);
+	void (*finished)(void *ctx, void *sta_ctx, int success, int preauth);
+	int (*get_eap_user)(void *ctx, const u8 *identity, size_t identity_len,
+			    int phase2, struct eap_user *user);
+	int (*sta_entry_alive)(void *ctx, const u8 *addr);
+	void (*logger)(void *ctx, const u8 *addr, eapol_logger_level level,
+		       const char *txt);
+	void (*set_port_authorized)(void *ctx, void *sta_ctx, int authorized);
+	void (*abort_auth)(void *ctx, void *sta_ctx);
+	void (*tx_key)(void *ctx, void *sta_ctx);
+	void (*eapol_event)(void *ctx, void *sta_ctx, enum eapol_event type);
+};
+
+
+struct eapol_authenticator * eapol_auth_init(struct eapol_auth_config *conf,
+					     struct eapol_auth_cb *cb);
+void eapol_auth_deinit(struct eapol_authenticator *eapol);
+struct eapol_state_machine *
+eapol_auth_alloc(struct eapol_authenticator *eapol, const u8 *addr,
+		 int flags, const struct wpabuf *assoc_wps_ie,
+		 const struct wpabuf *assoc_p2p_ie, void *sta_ctx);
+void eapol_auth_free(struct eapol_state_machine *sm);
+void eapol_auth_step(struct eapol_state_machine *sm);
+void eapol_auth_dump_state(FILE *f, const char *prefix,
+			   struct eapol_state_machine *sm);
+int eapol_auth_eap_pending_cb(struct eapol_state_machine *sm, void *ctx);
+
+#endif /* EAPOL_AUTH_SM_H */
diff --git a/src/eapol_auth/eapol_auth_sm_i.h b/src/eapol_auth/eapol_auth_sm_i.h
new file mode 100644
index 0000000..1000da4
--- /dev/null
+++ b/src/eapol_auth/eapol_auth_sm_i.h
@@ -0,0 +1,183 @@
+/*
+ * IEEE 802.1X-2004 Authenticator - EAPOL state machine (internal definitions)
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAPOL_AUTH_SM_I_H
+#define EAPOL_AUTH_SM_I_H
+
+#include "common/defs.h"
+#include "radius/radius.h"
+
+/* IEEE Std 802.1X-2004, Ch. 8.2 */
+
+typedef enum { ForceUnauthorized = 1, ForceAuthorized = 3, Auto = 2 }
+	PortTypes;
+typedef enum { Unauthorized = 2, Authorized = 1 } PortState;
+typedef enum { Both = 0, In = 1 } ControlledDirection;
+typedef unsigned int Counter;
+
+
+/**
+ * struct eapol_authenticator - Global EAPOL authenticator data
+ */
+struct eapol_authenticator {
+	struct eapol_auth_config conf;
+	struct eapol_auth_cb cb;
+
+	u8 *default_wep_key;
+	u8 default_wep_key_idx;
+};
+
+
+/**
+ * struct eapol_state_machine - Per-Supplicant Authenticator state machines
+ */
+struct eapol_state_machine {
+	/* timers */
+	int aWhile;
+	int quietWhile;
+	int reAuthWhen;
+
+	/* global variables */
+	Boolean authAbort;
+	Boolean authFail;
+	PortState authPortStatus;
+	Boolean authStart;
+	Boolean authTimeout;
+	Boolean authSuccess;
+	Boolean eapolEap;
+	Boolean initialize;
+	Boolean keyDone;
+	Boolean keyRun;
+	Boolean keyTxEnabled;
+	PortTypes portControl;
+	Boolean portValid;
+	Boolean reAuthenticate;
+
+	/* Port Timers state machine */
+	/* 'Boolean tick' implicitly handled as registered timeout */
+
+	/* Authenticator PAE state machine */
+	enum { AUTH_PAE_INITIALIZE, AUTH_PAE_DISCONNECTED, AUTH_PAE_CONNECTING,
+	       AUTH_PAE_AUTHENTICATING, AUTH_PAE_AUTHENTICATED,
+	       AUTH_PAE_ABORTING, AUTH_PAE_HELD, AUTH_PAE_FORCE_AUTH,
+	       AUTH_PAE_FORCE_UNAUTH, AUTH_PAE_RESTART } auth_pae_state;
+	/* variables */
+	Boolean eapolLogoff;
+	Boolean eapolStart;
+	PortTypes portMode;
+	unsigned int reAuthCount;
+	/* constants */
+	unsigned int quietPeriod; /* default 60; 0..65535 */
+#define AUTH_PAE_DEFAULT_quietPeriod 60
+	unsigned int reAuthMax; /* default 2 */
+#define AUTH_PAE_DEFAULT_reAuthMax 2
+	/* counters */
+	Counter authEntersConnecting;
+	Counter authEapLogoffsWhileConnecting;
+	Counter authEntersAuthenticating;
+	Counter authAuthSuccessesWhileAuthenticating;
+	Counter authAuthTimeoutsWhileAuthenticating;
+	Counter authAuthFailWhileAuthenticating;
+	Counter authAuthEapStartsWhileAuthenticating;
+	Counter authAuthEapLogoffWhileAuthenticating;
+	Counter authAuthReauthsWhileAuthenticated;
+	Counter authAuthEapStartsWhileAuthenticated;
+	Counter authAuthEapLogoffWhileAuthenticated;
+
+	/* Backend Authentication state machine */
+	enum { BE_AUTH_REQUEST, BE_AUTH_RESPONSE, BE_AUTH_SUCCESS,
+	       BE_AUTH_FAIL, BE_AUTH_TIMEOUT, BE_AUTH_IDLE, BE_AUTH_INITIALIZE,
+	       BE_AUTH_IGNORE
+	} be_auth_state;
+	/* constants */
+	unsigned int serverTimeout; /* default 30; 1..X */
+#define BE_AUTH_DEFAULT_serverTimeout 30
+	/* counters */
+	Counter backendResponses;
+	Counter backendAccessChallenges;
+	Counter backendOtherRequestsToSupplicant;
+	Counter backendAuthSuccesses;
+	Counter backendAuthFails;
+
+	/* Reauthentication Timer state machine */
+	enum { REAUTH_TIMER_INITIALIZE, REAUTH_TIMER_REAUTHENTICATE
+	} reauth_timer_state;
+	/* constants */
+	unsigned int reAuthPeriod; /* default 3600 s */
+	Boolean reAuthEnabled;
+
+	/* Authenticator Key Transmit state machine */
+	enum { AUTH_KEY_TX_NO_KEY_TRANSMIT, AUTH_KEY_TX_KEY_TRANSMIT
+	} auth_key_tx_state;
+
+	/* Key Receive state machine */
+	enum { KEY_RX_NO_KEY_RECEIVE, KEY_RX_KEY_RECEIVE } key_rx_state;
+	/* variables */
+	Boolean rxKey;
+
+	/* Controlled Directions state machine */
+	enum { CTRL_DIR_FORCE_BOTH, CTRL_DIR_IN_OR_BOTH } ctrl_dir_state;
+	/* variables */
+	ControlledDirection adminControlledDirections;
+	ControlledDirection operControlledDirections;
+	Boolean operEdge;
+
+	/* Authenticator Statistics Table */
+	Counter dot1xAuthEapolFramesRx;
+	Counter dot1xAuthEapolFramesTx;
+	Counter dot1xAuthEapolStartFramesRx;
+	Counter dot1xAuthEapolLogoffFramesRx;
+	Counter dot1xAuthEapolRespIdFramesRx;
+	Counter dot1xAuthEapolRespFramesRx;
+	Counter dot1xAuthEapolReqIdFramesTx;
+	Counter dot1xAuthEapolReqFramesTx;
+	Counter dot1xAuthInvalidEapolFramesRx;
+	Counter dot1xAuthEapLengthErrorFramesRx;
+	Counter dot1xAuthLastEapolFrameVersion;
+
+	/* Other variables - not defined in IEEE 802.1X */
+	u8 addr[ETH_ALEN]; /* Supplicant address */
+	int flags; /* EAPOL_SM_* */
+
+	/* EAPOL/AAA <-> EAP full authenticator interface */
+	struct eap_eapol_interface *eap_if;
+
+	int radius_identifier;
+	/* TODO: check when the last messages can be released */
+	struct radius_msg *last_recv_radius;
+	u8 last_eap_id; /* last used EAP Identifier */
+	u8 *identity;
+	size_t identity_len;
+	u8 eap_type_authsrv; /* EAP type of the last EAP packet from
+			      * Authentication server */
+	u8 eap_type_supp; /* EAP type of the last EAP packet from Supplicant */
+	struct radius_class_data radius_class;
+
+	/* Keys for encrypting and signing EAPOL-Key frames */
+	u8 *eapol_key_sign;
+	size_t eapol_key_sign_len;
+	u8 *eapol_key_crypt;
+	size_t eapol_key_crypt_len;
+
+	struct eap_sm *eap;
+
+	Boolean initializing; /* in process of initializing state machines */
+	Boolean changed;
+
+	struct eapol_authenticator *eapol;
+
+	void *sta; /* station context pointer to use in callbacks */
+};
+
+#endif /* EAPOL_AUTH_SM_I_H */
diff --git a/src/eapol_supp/Makefile b/src/eapol_supp/Makefile
new file mode 100644
index 0000000..9c41962
--- /dev/null
+++ b/src/eapol_supp/Makefile
@@ -0,0 +1,8 @@
+all:
+	@echo Nothing to be made.
+
+clean:
+	rm -f *~ *.o *.d
+
+install:
+	@echo Nothing to be made.
diff --git a/src/eapol_supp/eapol_supp_sm.c b/src/eapol_supp/eapol_supp_sm.c
new file mode 100644
index 0000000..18abb4e
--- /dev/null
+++ b/src/eapol_supp/eapol_supp_sm.c
@@ -0,0 +1,1913 @@
+/*
+ * EAPOL supplicant state machines
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "state_machine.h"
+#include "wpabuf.h"
+#include "eloop.h"
+#include "crypto/crypto.h"
+#include "crypto/md5.h"
+#include "common/eapol_common.h"
+#include "eap_peer/eap.h"
+#include "eapol_supp_sm.h"
+
+#define STATE_MACHINE_DATA struct eapol_sm
+#define STATE_MACHINE_DEBUG_PREFIX "EAPOL"
+
+
+/* IEEE 802.1X-2004 - Supplicant - EAPOL state machines */
+
+/**
+ * struct eapol_sm - Internal data for EAPOL state machines
+ */
+struct eapol_sm {
+	/* Timers */
+	unsigned int authWhile;
+	unsigned int heldWhile;
+	unsigned int startWhen;
+	unsigned int idleWhile; /* for EAP state machine */
+	int timer_tick_enabled;
+
+	/* Global variables */
+	Boolean eapFail;
+	Boolean eapolEap;
+	Boolean eapSuccess;
+	Boolean initialize;
+	Boolean keyDone;
+	Boolean keyRun;
+	PortControl portControl;
+	Boolean portEnabled;
+	PortStatus suppPortStatus;  /* dot1xSuppControlledPortStatus */
+	Boolean portValid;
+	Boolean suppAbort;
+	Boolean suppFail;
+	Boolean suppStart;
+	Boolean suppSuccess;
+	Boolean suppTimeout;
+
+	/* Supplicant PAE state machine */
+	enum {
+		SUPP_PAE_UNKNOWN = 0,
+		SUPP_PAE_DISCONNECTED = 1,
+		SUPP_PAE_LOGOFF = 2,
+		SUPP_PAE_CONNECTING = 3,
+		SUPP_PAE_AUTHENTICATING = 4,
+		SUPP_PAE_AUTHENTICATED = 5,
+		/* unused(6) */
+		SUPP_PAE_HELD = 7,
+		SUPP_PAE_RESTART = 8,
+		SUPP_PAE_S_FORCE_AUTH = 9,
+		SUPP_PAE_S_FORCE_UNAUTH = 10
+	} SUPP_PAE_state; /* dot1xSuppPaeState */
+	/* Variables */
+	Boolean userLogoff;
+	Boolean logoffSent;
+	unsigned int startCount;
+	Boolean eapRestart;
+	PortControl sPortMode;
+	/* Constants */
+	unsigned int heldPeriod; /* dot1xSuppHeldPeriod */
+	unsigned int startPeriod; /* dot1xSuppStartPeriod */
+	unsigned int maxStart; /* dot1xSuppMaxStart */
+
+	/* Key Receive state machine */
+	enum {
+		KEY_RX_UNKNOWN = 0,
+		KEY_RX_NO_KEY_RECEIVE, KEY_RX_KEY_RECEIVE
+	} KEY_RX_state;
+	/* Variables */
+	Boolean rxKey;
+
+	/* Supplicant Backend state machine */
+	enum {
+		SUPP_BE_UNKNOWN = 0,
+		SUPP_BE_INITIALIZE = 1,
+		SUPP_BE_IDLE = 2,
+		SUPP_BE_REQUEST = 3,
+		SUPP_BE_RECEIVE = 4,
+		SUPP_BE_RESPONSE = 5,
+		SUPP_BE_FAIL = 6,
+		SUPP_BE_TIMEOUT = 7, 
+		SUPP_BE_SUCCESS = 8
+	} SUPP_BE_state; /* dot1xSuppBackendPaeState */
+	/* Variables */
+	Boolean eapNoResp;
+	Boolean eapReq;
+	Boolean eapResp;
+	/* Constants */
+	unsigned int authPeriod; /* dot1xSuppAuthPeriod */
+
+	/* Statistics */
+	unsigned int dot1xSuppEapolFramesRx;
+	unsigned int dot1xSuppEapolFramesTx;
+	unsigned int dot1xSuppEapolStartFramesTx;
+	unsigned int dot1xSuppEapolLogoffFramesTx;
+	unsigned int dot1xSuppEapolRespFramesTx;
+	unsigned int dot1xSuppEapolReqIdFramesRx;
+	unsigned int dot1xSuppEapolReqFramesRx;
+	unsigned int dot1xSuppInvalidEapolFramesRx;
+	unsigned int dot1xSuppEapLengthErrorFramesRx;
+	unsigned int dot1xSuppLastEapolFrameVersion;
+	unsigned char dot1xSuppLastEapolFrameSource[6];
+
+	/* Miscellaneous variables (not defined in IEEE 802.1X-2004) */
+	Boolean changed;
+	struct eap_sm *eap;
+	struct eap_peer_config *config;
+	Boolean initial_req;
+	u8 *last_rx_key;
+	size_t last_rx_key_len;
+	struct wpabuf *eapReqData; /* for EAP */
+	Boolean altAccept; /* for EAP */
+	Boolean altReject; /* for EAP */
+	Boolean replay_counter_valid;
+	u8 last_replay_counter[16];
+	struct eapol_config conf;
+	struct eapol_ctx *ctx;
+	enum { EAPOL_CB_IN_PROGRESS = 0, EAPOL_CB_SUCCESS, EAPOL_CB_FAILURE }
+		cb_status;
+	Boolean cached_pmk;
+
+	Boolean unicast_key_received, broadcast_key_received;
+};
+
+
+#define IEEE8021X_REPLAY_COUNTER_LEN 8
+#define IEEE8021X_KEY_SIGN_LEN 16
+#define IEEE8021X_KEY_IV_LEN 16
+
+#define IEEE8021X_KEY_INDEX_FLAG 0x80
+#define IEEE8021X_KEY_INDEX_MASK 0x03
+
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+struct ieee802_1x_eapol_key {
+	u8 type;
+	/* Note: key_length is unaligned */
+	u8 key_length[2];
+	/* does not repeat within the life of the keying material used to
+	 * encrypt the Key field; 64-bit NTP timestamp MAY be used here */
+	u8 replay_counter[IEEE8021X_REPLAY_COUNTER_LEN];
+	u8 key_iv[IEEE8021X_KEY_IV_LEN]; /* cryptographically random number */
+	u8 key_index; /* key flag in the most significant bit:
+		       * 0 = broadcast (default key),
+		       * 1 = unicast (key mapping key); key index is in the
+		       * 7 least significant bits */
+	/* HMAC-MD5 message integrity check computed with MS-MPPE-Send-Key as
+	 * the key */
+	u8 key_signature[IEEE8021X_KEY_SIGN_LEN];
+
+	/* followed by key: if packet body length = 44 + key length, then the
+	 * key field (of key_length bytes) contains the key in encrypted form;
+	 * if packet body length = 44, key field is absent and key_length
+	 * represents the number of least significant octets from
+	 * MS-MPPE-Send-Key attribute to be used as the keying material;
+	 * RC4 key used in encryption = Key-IV + MS-MPPE-Recv-Key */
+} STRUCT_PACKED;
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+
+static void eapol_sm_txLogoff(struct eapol_sm *sm);
+static void eapol_sm_txStart(struct eapol_sm *sm);
+static void eapol_sm_processKey(struct eapol_sm *sm);
+static void eapol_sm_getSuppRsp(struct eapol_sm *sm);
+static void eapol_sm_txSuppRsp(struct eapol_sm *sm);
+static void eapol_sm_abortSupp(struct eapol_sm *sm);
+static void eapol_sm_abort_cached(struct eapol_sm *sm);
+static void eapol_sm_step_timeout(void *eloop_ctx, void *timeout_ctx);
+static void eapol_sm_set_port_authorized(struct eapol_sm *sm);
+static void eapol_sm_set_port_unauthorized(struct eapol_sm *sm);
+
+
+/* Port Timers state machine - implemented as a function that will be called
+ * once a second as a registered event loop timeout */
+static void eapol_port_timers_tick(void *eloop_ctx, void *timeout_ctx)
+{
+	struct eapol_sm *sm = timeout_ctx;
+
+	if (sm->authWhile > 0) {
+		sm->authWhile--;
+		if (sm->authWhile == 0)
+			wpa_printf(MSG_DEBUG, "EAPOL: authWhile --> 0");
+	}
+	if (sm->heldWhile > 0) {
+		sm->heldWhile--;
+		if (sm->heldWhile == 0)
+			wpa_printf(MSG_DEBUG, "EAPOL: heldWhile --> 0");
+	}
+	if (sm->startWhen > 0) {
+		sm->startWhen--;
+		if (sm->startWhen == 0)
+			wpa_printf(MSG_DEBUG, "EAPOL: startWhen --> 0");
+	}
+	if (sm->idleWhile > 0) {
+		sm->idleWhile--;
+		if (sm->idleWhile == 0)
+			wpa_printf(MSG_DEBUG, "EAPOL: idleWhile --> 0");
+	}
+
+	if (sm->authWhile | sm->heldWhile | sm->startWhen | sm->idleWhile) {
+		eloop_register_timeout(1, 0, eapol_port_timers_tick, eloop_ctx,
+				       sm);
+	} else {
+		wpa_printf(MSG_DEBUG, "EAPOL: disable timer tick");
+		sm->timer_tick_enabled = 0;
+	}
+	eapol_sm_step(sm);
+}
+
+
+static void eapol_enable_timer_tick(struct eapol_sm *sm)
+{
+	if (sm->timer_tick_enabled)
+		return;
+	wpa_printf(MSG_DEBUG, "EAPOL: enable timer tick");
+	sm->timer_tick_enabled = 1;
+	eloop_cancel_timeout(eapol_port_timers_tick, NULL, sm);
+	eloop_register_timeout(1, 0, eapol_port_timers_tick, NULL, sm);
+}
+
+
+SM_STATE(SUPP_PAE, LOGOFF)
+{
+	SM_ENTRY(SUPP_PAE, LOGOFF);
+	eapol_sm_txLogoff(sm);
+	sm->logoffSent = TRUE;
+	sm->suppPortStatus = Unauthorized;
+	eapol_sm_set_port_unauthorized(sm);
+}
+
+
+SM_STATE(SUPP_PAE, DISCONNECTED)
+{
+	SM_ENTRY(SUPP_PAE, DISCONNECTED);
+	sm->sPortMode = Auto;
+	sm->startCount = 0;
+	sm->logoffSent = FALSE;
+	sm->suppPortStatus = Unauthorized;
+	eapol_sm_set_port_unauthorized(sm);
+	sm->suppAbort = TRUE;
+
+	sm->unicast_key_received = FALSE;
+	sm->broadcast_key_received = FALSE;
+}
+
+
+SM_STATE(SUPP_PAE, CONNECTING)
+{
+	int send_start = sm->SUPP_PAE_state == SUPP_PAE_CONNECTING;
+	SM_ENTRY(SUPP_PAE, CONNECTING);
+	if (send_start) {
+		sm->startWhen = sm->startPeriod;
+		sm->startCount++;
+	} else {
+		/*
+		 * Do not send EAPOL-Start immediately since in most cases,
+		 * Authenticator is going to start authentication immediately
+		 * after association and an extra EAPOL-Start is just going to
+		 * delay authentication. Use a short timeout to send the first
+		 * EAPOL-Start if Authenticator does not start authentication.
+		 */
+#ifdef CONFIG_WPS
+		/* Reduce latency on starting WPS negotiation. */
+		sm->startWhen = 1;
+#else /* CONFIG_WPS */
+		sm->startWhen = 3;
+#endif /* CONFIG_WPS */
+	}
+	eapol_enable_timer_tick(sm);
+	sm->eapolEap = FALSE;
+	if (send_start)
+		eapol_sm_txStart(sm);
+}
+
+
+SM_STATE(SUPP_PAE, AUTHENTICATING)
+{
+	SM_ENTRY(SUPP_PAE, AUTHENTICATING);
+	sm->startCount = 0;
+	sm->suppSuccess = FALSE;
+	sm->suppFail = FALSE;
+	sm->suppTimeout = FALSE;
+	sm->keyRun = FALSE;
+	sm->keyDone = FALSE;
+	sm->suppStart = TRUE;
+}
+
+
+SM_STATE(SUPP_PAE, HELD)
+{
+	SM_ENTRY(SUPP_PAE, HELD);
+	sm->heldWhile = sm->heldPeriod;
+	eapol_enable_timer_tick(sm);
+	sm->suppPortStatus = Unauthorized;
+	eapol_sm_set_port_unauthorized(sm);
+	sm->cb_status = EAPOL_CB_FAILURE;
+}
+
+
+SM_STATE(SUPP_PAE, AUTHENTICATED)
+{
+	SM_ENTRY(SUPP_PAE, AUTHENTICATED);
+	sm->suppPortStatus = Authorized;
+	eapol_sm_set_port_authorized(sm);
+	sm->cb_status = EAPOL_CB_SUCCESS;
+}
+
+
+SM_STATE(SUPP_PAE, RESTART)
+{
+	SM_ENTRY(SUPP_PAE, RESTART);
+	sm->eapRestart = TRUE;
+}
+
+
+SM_STATE(SUPP_PAE, S_FORCE_AUTH)
+{
+	SM_ENTRY(SUPP_PAE, S_FORCE_AUTH);
+	sm->suppPortStatus = Authorized;
+	eapol_sm_set_port_authorized(sm);
+	sm->sPortMode = ForceAuthorized;
+}
+
+
+SM_STATE(SUPP_PAE, S_FORCE_UNAUTH)
+{
+	SM_ENTRY(SUPP_PAE, S_FORCE_UNAUTH);
+	sm->suppPortStatus = Unauthorized;
+	eapol_sm_set_port_unauthorized(sm);
+	sm->sPortMode = ForceUnauthorized;
+	eapol_sm_txLogoff(sm);
+}
+
+
+SM_STEP(SUPP_PAE)
+{
+	if ((sm->userLogoff && !sm->logoffSent) &&
+	    !(sm->initialize || !sm->portEnabled))
+		SM_ENTER_GLOBAL(SUPP_PAE, LOGOFF);
+	else if (((sm->portControl == Auto) &&
+		  (sm->sPortMode != sm->portControl)) ||
+		 sm->initialize || !sm->portEnabled)
+		SM_ENTER_GLOBAL(SUPP_PAE, DISCONNECTED);
+	else if ((sm->portControl == ForceAuthorized) &&
+		 (sm->sPortMode != sm->portControl) &&
+		 !(sm->initialize || !sm->portEnabled))
+		SM_ENTER_GLOBAL(SUPP_PAE, S_FORCE_AUTH);
+	else if ((sm->portControl == ForceUnauthorized) &&
+		 (sm->sPortMode != sm->portControl) &&
+		 !(sm->initialize || !sm->portEnabled))
+		SM_ENTER_GLOBAL(SUPP_PAE, S_FORCE_UNAUTH);
+	else switch (sm->SUPP_PAE_state) {
+	case SUPP_PAE_UNKNOWN:
+		break;
+	case SUPP_PAE_LOGOFF:
+		if (!sm->userLogoff)
+			SM_ENTER(SUPP_PAE, DISCONNECTED);
+		break;
+	case SUPP_PAE_DISCONNECTED:
+		SM_ENTER(SUPP_PAE, CONNECTING);
+		break;
+	case SUPP_PAE_CONNECTING:
+		if (sm->startWhen == 0 && sm->startCount < sm->maxStart)
+			SM_ENTER(SUPP_PAE, CONNECTING);
+		else if (sm->startWhen == 0 &&
+			 sm->startCount >= sm->maxStart &&
+			 sm->portValid)
+			SM_ENTER(SUPP_PAE, AUTHENTICATED);
+		else if (sm->eapSuccess || sm->eapFail)
+			SM_ENTER(SUPP_PAE, AUTHENTICATING);
+		else if (sm->eapolEap)
+			SM_ENTER(SUPP_PAE, RESTART);
+		else if (sm->startWhen == 0 &&
+			 sm->startCount >= sm->maxStart &&
+			 !sm->portValid)
+			SM_ENTER(SUPP_PAE, HELD);
+		break;
+	case SUPP_PAE_AUTHENTICATING:
+		if (sm->eapSuccess && !sm->portValid &&
+		    sm->conf.accept_802_1x_keys &&
+		    sm->conf.required_keys == 0) {
+			wpa_printf(MSG_DEBUG, "EAPOL: IEEE 802.1X for "
+				   "plaintext connection; no EAPOL-Key frames "
+				   "required");
+			sm->portValid = TRUE;
+			if (sm->ctx->eapol_done_cb)
+				sm->ctx->eapol_done_cb(sm->ctx->ctx);
+		}
+		if (sm->eapSuccess && sm->portValid)
+			SM_ENTER(SUPP_PAE, AUTHENTICATED);
+		else if (sm->eapFail || (sm->keyDone && !sm->portValid))
+			SM_ENTER(SUPP_PAE, HELD);
+		else if (sm->suppTimeout)
+			SM_ENTER(SUPP_PAE, CONNECTING);
+		break;
+	case SUPP_PAE_HELD:
+		if (sm->heldWhile == 0)
+			SM_ENTER(SUPP_PAE, CONNECTING);
+		else if (sm->eapolEap)
+			SM_ENTER(SUPP_PAE, RESTART);
+		break;
+	case SUPP_PAE_AUTHENTICATED:
+		if (sm->eapolEap && sm->portValid)
+			SM_ENTER(SUPP_PAE, RESTART);
+		else if (!sm->portValid)
+			SM_ENTER(SUPP_PAE, DISCONNECTED);
+		break;
+	case SUPP_PAE_RESTART:
+		if (!sm->eapRestart)
+			SM_ENTER(SUPP_PAE, AUTHENTICATING);
+		break;
+	case SUPP_PAE_S_FORCE_AUTH:
+		break;
+	case SUPP_PAE_S_FORCE_UNAUTH:
+		break;
+	}
+}
+
+
+SM_STATE(KEY_RX, NO_KEY_RECEIVE)
+{
+	SM_ENTRY(KEY_RX, NO_KEY_RECEIVE);
+}
+
+
+SM_STATE(KEY_RX, KEY_RECEIVE)
+{
+	SM_ENTRY(KEY_RX, KEY_RECEIVE);
+	eapol_sm_processKey(sm);
+	sm->rxKey = FALSE;
+}
+
+
+SM_STEP(KEY_RX)
+{
+	if (sm->initialize || !sm->portEnabled)
+		SM_ENTER_GLOBAL(KEY_RX, NO_KEY_RECEIVE);
+	switch (sm->KEY_RX_state) {
+	case KEY_RX_UNKNOWN:
+		break;
+	case KEY_RX_NO_KEY_RECEIVE:
+		if (sm->rxKey)
+			SM_ENTER(KEY_RX, KEY_RECEIVE);
+		break;
+	case KEY_RX_KEY_RECEIVE:
+		if (sm->rxKey)
+			SM_ENTER(KEY_RX, KEY_RECEIVE);
+		break;
+	}
+}
+
+
+SM_STATE(SUPP_BE, REQUEST)
+{
+	SM_ENTRY(SUPP_BE, REQUEST);
+	sm->authWhile = 0;
+	sm->eapReq = TRUE;
+	eapol_sm_getSuppRsp(sm);
+}
+
+
+SM_STATE(SUPP_BE, RESPONSE)
+{
+	SM_ENTRY(SUPP_BE, RESPONSE);
+	eapol_sm_txSuppRsp(sm);
+	sm->eapResp = FALSE;
+}
+
+
+SM_STATE(SUPP_BE, SUCCESS)
+{
+	SM_ENTRY(SUPP_BE, SUCCESS);
+	sm->keyRun = TRUE;
+	sm->suppSuccess = TRUE;
+
+	if (eap_key_available(sm->eap)) {
+		/* New key received - clear IEEE 802.1X EAPOL-Key replay
+		 * counter */
+		sm->replay_counter_valid = FALSE;
+	}
+}
+
+
+SM_STATE(SUPP_BE, FAIL)
+{
+	SM_ENTRY(SUPP_BE, FAIL);
+	sm->suppFail = TRUE;
+}
+
+
+SM_STATE(SUPP_BE, TIMEOUT)
+{
+	SM_ENTRY(SUPP_BE, TIMEOUT);
+	sm->suppTimeout = TRUE;
+}
+
+
+SM_STATE(SUPP_BE, IDLE)
+{
+	SM_ENTRY(SUPP_BE, IDLE);
+	sm->suppStart = FALSE;
+	sm->initial_req = TRUE;
+}
+
+
+SM_STATE(SUPP_BE, INITIALIZE)
+{
+	SM_ENTRY(SUPP_BE, INITIALIZE);
+	eapol_sm_abortSupp(sm);
+	sm->suppAbort = FALSE;
+}
+
+
+SM_STATE(SUPP_BE, RECEIVE)
+{
+	SM_ENTRY(SUPP_BE, RECEIVE);
+	sm->authWhile = sm->authPeriod;
+	eapol_enable_timer_tick(sm);
+	sm->eapolEap = FALSE;
+	sm->eapNoResp = FALSE;
+	sm->initial_req = FALSE;
+}
+
+
+SM_STEP(SUPP_BE)
+{
+	if (sm->initialize || sm->suppAbort)
+		SM_ENTER_GLOBAL(SUPP_BE, INITIALIZE);
+	else switch (sm->SUPP_BE_state) {
+	case SUPP_BE_UNKNOWN:
+		break;
+	case SUPP_BE_REQUEST:
+		/*
+		 * IEEE Std 802.1X-2004 has transitions from REQUEST to FAIL
+		 * and SUCCESS based on eapFail and eapSuccess, respectively.
+		 * However, IEEE Std 802.1X-2004 is also specifying that
+		 * eapNoResp should be set in conjuction with eapSuccess and
+		 * eapFail which would mean that more than one of the
+		 * transitions here would be activated at the same time.
+		 * Skipping RESPONSE and/or RECEIVE states in these cases can
+		 * cause problems and the direct transitions to do not seem
+		 * correct. Because of this, the conditions for these
+		 * transitions are verified only after eapNoResp. They are
+		 * unlikely to be used since eapNoResp should always be set if
+		 * either of eapSuccess or eapFail is set.
+		 */
+		if (sm->eapResp && sm->eapNoResp) {
+			wpa_printf(MSG_DEBUG, "EAPOL: SUPP_BE REQUEST: both "
+				   "eapResp and eapNoResp set?!");
+		}
+		if (sm->eapResp)
+			SM_ENTER(SUPP_BE, RESPONSE);
+		else if (sm->eapNoResp)
+			SM_ENTER(SUPP_BE, RECEIVE);
+		else if (sm->eapFail)
+			SM_ENTER(SUPP_BE, FAIL);
+		else if (sm->eapSuccess)
+			SM_ENTER(SUPP_BE, SUCCESS);
+		break;
+	case SUPP_BE_RESPONSE:
+		SM_ENTER(SUPP_BE, RECEIVE);
+		break;
+	case SUPP_BE_SUCCESS:
+		SM_ENTER(SUPP_BE, IDLE);
+		break;
+	case SUPP_BE_FAIL:
+		SM_ENTER(SUPP_BE, IDLE);
+		break;
+	case SUPP_BE_TIMEOUT:
+		SM_ENTER(SUPP_BE, IDLE);
+		break;
+	case SUPP_BE_IDLE:
+		if (sm->eapFail && sm->suppStart)
+			SM_ENTER(SUPP_BE, FAIL);
+		else if (sm->eapolEap && sm->suppStart)
+			SM_ENTER(SUPP_BE, REQUEST);
+		else if (sm->eapSuccess && sm->suppStart)
+			SM_ENTER(SUPP_BE, SUCCESS);
+		break;
+	case SUPP_BE_INITIALIZE:
+		SM_ENTER(SUPP_BE, IDLE);
+		break;
+	case SUPP_BE_RECEIVE:
+		if (sm->eapolEap)
+			SM_ENTER(SUPP_BE, REQUEST);
+		else if (sm->eapFail)
+			SM_ENTER(SUPP_BE, FAIL);
+		else if (sm->authWhile == 0)
+			SM_ENTER(SUPP_BE, TIMEOUT);
+		else if (sm->eapSuccess)
+			SM_ENTER(SUPP_BE, SUCCESS);
+		break;
+	}
+}
+
+
+static void eapol_sm_txLogoff(struct eapol_sm *sm)
+{
+	wpa_printf(MSG_DEBUG, "EAPOL: txLogoff");
+	sm->ctx->eapol_send(sm->ctx->eapol_send_ctx,
+			    IEEE802_1X_TYPE_EAPOL_LOGOFF, (u8 *) "", 0);
+	sm->dot1xSuppEapolLogoffFramesTx++;
+	sm->dot1xSuppEapolFramesTx++;
+}
+
+
+static void eapol_sm_txStart(struct eapol_sm *sm)
+{
+	wpa_printf(MSG_DEBUG, "EAPOL: txStart");
+	sm->ctx->eapol_send(sm->ctx->eapol_send_ctx,
+			    IEEE802_1X_TYPE_EAPOL_START, (u8 *) "", 0);
+	sm->dot1xSuppEapolStartFramesTx++;
+	sm->dot1xSuppEapolFramesTx++;
+}
+
+
+#define IEEE8021X_ENCR_KEY_LEN 32
+#define IEEE8021X_SIGN_KEY_LEN 32
+
+struct eap_key_data {
+	u8 encr_key[IEEE8021X_ENCR_KEY_LEN];
+	u8 sign_key[IEEE8021X_SIGN_KEY_LEN];
+};
+
+
+static void eapol_sm_processKey(struct eapol_sm *sm)
+{
+	struct ieee802_1x_hdr *hdr;
+	struct ieee802_1x_eapol_key *key;
+	struct eap_key_data keydata;
+	u8 orig_key_sign[IEEE8021X_KEY_SIGN_LEN], datakey[32];
+	u8 ekey[IEEE8021X_KEY_IV_LEN + IEEE8021X_ENCR_KEY_LEN];
+	int key_len, res, sign_key_len, encr_key_len;
+	u16 rx_key_length;
+
+	wpa_printf(MSG_DEBUG, "EAPOL: processKey");
+	if (sm->last_rx_key == NULL)
+		return;
+
+	if (!sm->conf.accept_802_1x_keys) {
+		wpa_printf(MSG_WARNING, "EAPOL: Received IEEE 802.1X EAPOL-Key"
+			   " even though this was not accepted - "
+			   "ignoring this packet");
+		return;
+	}
+
+	hdr = (struct ieee802_1x_hdr *) sm->last_rx_key;
+	key = (struct ieee802_1x_eapol_key *) (hdr + 1);
+	if (sizeof(*hdr) + be_to_host16(hdr->length) > sm->last_rx_key_len) {
+		wpa_printf(MSG_WARNING, "EAPOL: Too short EAPOL-Key frame");
+		return;
+	}
+	rx_key_length = WPA_GET_BE16(key->key_length);
+	wpa_printf(MSG_DEBUG, "EAPOL: RX IEEE 802.1X ver=%d type=%d len=%d "
+		   "EAPOL-Key: type=%d key_length=%d key_index=0x%x",
+		   hdr->version, hdr->type, be_to_host16(hdr->length),
+		   key->type, rx_key_length, key->key_index);
+
+	eapol_sm_notify_lower_layer_success(sm, 1);
+	sign_key_len = IEEE8021X_SIGN_KEY_LEN;
+	encr_key_len = IEEE8021X_ENCR_KEY_LEN;
+	res = eapol_sm_get_key(sm, (u8 *) &keydata, sizeof(keydata));
+	if (res < 0) {
+		wpa_printf(MSG_DEBUG, "EAPOL: Could not get master key for "
+			   "decrypting EAPOL-Key keys");
+		return;
+	}
+	if (res == 16) {
+		/* LEAP derives only 16 bytes of keying material. */
+		res = eapol_sm_get_key(sm, (u8 *) &keydata, 16);
+		if (res) {
+			wpa_printf(MSG_DEBUG, "EAPOL: Could not get LEAP "
+				   "master key for decrypting EAPOL-Key keys");
+			return;
+		}
+		sign_key_len = 16;
+		encr_key_len = 16;
+		os_memcpy(keydata.sign_key, keydata.encr_key, 16);
+	} else if (res) {
+		wpa_printf(MSG_DEBUG, "EAPOL: Could not get enough master key "
+			   "data for decrypting EAPOL-Key keys (res=%d)", res);
+		return;
+	}
+
+	/* The key replay_counter must increase when same master key */
+	if (sm->replay_counter_valid &&
+	    os_memcmp(sm->last_replay_counter, key->replay_counter,
+		      IEEE8021X_REPLAY_COUNTER_LEN) >= 0) {
+		wpa_printf(MSG_WARNING, "EAPOL: EAPOL-Key replay counter did "
+			   "not increase - ignoring key");
+		wpa_hexdump(MSG_DEBUG, "EAPOL: last replay counter",
+			    sm->last_replay_counter,
+			    IEEE8021X_REPLAY_COUNTER_LEN);
+		wpa_hexdump(MSG_DEBUG, "EAPOL: received replay counter",
+			    key->replay_counter, IEEE8021X_REPLAY_COUNTER_LEN);
+		return;
+	}
+
+	/* Verify key signature (HMAC-MD5) */
+	os_memcpy(orig_key_sign, key->key_signature, IEEE8021X_KEY_SIGN_LEN);
+	os_memset(key->key_signature, 0, IEEE8021X_KEY_SIGN_LEN);
+	hmac_md5(keydata.sign_key, sign_key_len,
+		 sm->last_rx_key, sizeof(*hdr) + be_to_host16(hdr->length),
+		 key->key_signature);
+	if (os_memcmp(orig_key_sign, key->key_signature,
+		      IEEE8021X_KEY_SIGN_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "EAPOL: Invalid key signature in "
+			   "EAPOL-Key packet");
+		os_memcpy(key->key_signature, orig_key_sign,
+			  IEEE8021X_KEY_SIGN_LEN);
+		return;
+	}
+	wpa_printf(MSG_DEBUG, "EAPOL: EAPOL-Key key signature verified");
+
+	key_len = be_to_host16(hdr->length) - sizeof(*key);
+	if (key_len > 32 || rx_key_length > 32) {
+		wpa_printf(MSG_WARNING, "EAPOL: Too long key data length %d",
+			   key_len ? key_len : rx_key_length);
+		return;
+	}
+	if (key_len == rx_key_length) {
+		os_memcpy(ekey, key->key_iv, IEEE8021X_KEY_IV_LEN);
+		os_memcpy(ekey + IEEE8021X_KEY_IV_LEN, keydata.encr_key,
+			  encr_key_len);
+		os_memcpy(datakey, key + 1, key_len);
+		rc4_skip(ekey, IEEE8021X_KEY_IV_LEN + encr_key_len, 0,
+			 datakey, key_len);
+		wpa_hexdump_key(MSG_DEBUG, "EAPOL: Decrypted(RC4) key",
+				datakey, key_len);
+	} else if (key_len == 0) {
+		/*
+		 * IEEE 802.1X-2004 specifies that least significant Key Length
+		 * octets from MS-MPPE-Send-Key are used as the key if the key
+		 * data is not present. This seems to be meaning the beginning
+		 * of the MS-MPPE-Send-Key. In addition, MS-MPPE-Send-Key in
+		 * Supplicant corresponds to MS-MPPE-Recv-Key in Authenticator.
+		 * Anyway, taking the beginning of the keying material from EAP
+		 * seems to interoperate with Authenticators.
+		 */
+		key_len = rx_key_length;
+		os_memcpy(datakey, keydata.encr_key, key_len);
+		wpa_hexdump_key(MSG_DEBUG, "EAPOL: using part of EAP keying "
+				"material data encryption key",
+				datakey, key_len);
+	} else {
+		wpa_printf(MSG_DEBUG, "EAPOL: Invalid key data length %d "
+			   "(key_length=%d)", key_len, rx_key_length);
+		return;
+	}
+
+	sm->replay_counter_valid = TRUE;
+	os_memcpy(sm->last_replay_counter, key->replay_counter,
+		  IEEE8021X_REPLAY_COUNTER_LEN);
+
+	wpa_printf(MSG_DEBUG, "EAPOL: Setting dynamic WEP key: %s keyidx %d "
+		   "len %d",
+		   key->key_index & IEEE8021X_KEY_INDEX_FLAG ?
+		   "unicast" : "broadcast",
+		   key->key_index & IEEE8021X_KEY_INDEX_MASK, key_len);
+
+	if (sm->ctx->set_wep_key &&
+	    sm->ctx->set_wep_key(sm->ctx->ctx,
+				 key->key_index & IEEE8021X_KEY_INDEX_FLAG,
+				 key->key_index & IEEE8021X_KEY_INDEX_MASK,
+				 datakey, key_len) < 0) {
+		wpa_printf(MSG_WARNING, "EAPOL: Failed to set WEP key to the "
+			   " driver.");
+	} else {
+		if (key->key_index & IEEE8021X_KEY_INDEX_FLAG)
+			sm->unicast_key_received = TRUE;
+		else
+			sm->broadcast_key_received = TRUE;
+
+		if ((sm->unicast_key_received ||
+		     !(sm->conf.required_keys & EAPOL_REQUIRE_KEY_UNICAST)) &&
+		    (sm->broadcast_key_received ||
+		     !(sm->conf.required_keys & EAPOL_REQUIRE_KEY_BROADCAST)))
+		{
+			wpa_printf(MSG_DEBUG, "EAPOL: all required EAPOL-Key "
+				   "frames received");
+			sm->portValid = TRUE;
+			if (sm->ctx->eapol_done_cb)
+				sm->ctx->eapol_done_cb(sm->ctx->ctx);
+		}
+	}
+}
+
+
+static void eapol_sm_getSuppRsp(struct eapol_sm *sm)
+{
+	wpa_printf(MSG_DEBUG, "EAPOL: getSuppRsp");
+	/* EAP layer processing; no special code is needed, since Supplicant
+	 * Backend state machine is waiting for eapNoResp or eapResp to be set
+	 * and these are only set in the EAP state machine when the processing
+	 * has finished. */
+}
+
+
+static void eapol_sm_txSuppRsp(struct eapol_sm *sm)
+{
+	struct wpabuf *resp;
+
+	wpa_printf(MSG_DEBUG, "EAPOL: txSuppRsp");
+	resp = eap_get_eapRespData(sm->eap);
+	if (resp == NULL) {
+		wpa_printf(MSG_WARNING, "EAPOL: txSuppRsp - EAP response data "
+			   "not available");
+		return;
+	}
+
+	/* Send EAP-Packet from the EAP layer to the Authenticator */
+	sm->ctx->eapol_send(sm->ctx->eapol_send_ctx,
+			    IEEE802_1X_TYPE_EAP_PACKET, wpabuf_head(resp),
+			    wpabuf_len(resp));
+
+	/* eapRespData is not used anymore, so free it here */
+	wpabuf_free(resp);
+
+	if (sm->initial_req)
+		sm->dot1xSuppEapolReqIdFramesRx++;
+	else
+		sm->dot1xSuppEapolReqFramesRx++;
+	sm->dot1xSuppEapolRespFramesTx++;
+	sm->dot1xSuppEapolFramesTx++;
+}
+
+
+static void eapol_sm_abortSupp(struct eapol_sm *sm)
+{
+	/* release system resources that may have been allocated for the
+	 * authentication session */
+	os_free(sm->last_rx_key);
+	sm->last_rx_key = NULL;
+	wpabuf_free(sm->eapReqData);
+	sm->eapReqData = NULL;
+	eap_sm_abort(sm->eap);
+}
+
+
+static void eapol_sm_step_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	eapol_sm_step(timeout_ctx);
+}
+
+
+static void eapol_sm_set_port_authorized(struct eapol_sm *sm)
+{
+	if (sm->ctx->port_cb)
+		sm->ctx->port_cb(sm->ctx->ctx, 1);
+}
+
+
+static void eapol_sm_set_port_unauthorized(struct eapol_sm *sm)
+{
+	if (sm->ctx->port_cb)
+		sm->ctx->port_cb(sm->ctx->ctx, 0);
+}
+
+
+/**
+ * eapol_sm_step - EAPOL state machine step function
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ *
+ * This function is called to notify the state machine about changed external
+ * variables. It will step through the EAPOL state machines in loop to process
+ * all triggered state changes.
+ */
+void eapol_sm_step(struct eapol_sm *sm)
+{
+	int i;
+
+	/* In theory, it should be ok to run this in loop until !changed.
+	 * However, it is better to use a limit on number of iterations to
+	 * allow events (e.g., SIGTERM) to stop the program cleanly if the
+	 * state machine were to generate a busy loop. */
+	for (i = 0; i < 100; i++) {
+		sm->changed = FALSE;
+		SM_STEP_RUN(SUPP_PAE);
+		SM_STEP_RUN(KEY_RX);
+		SM_STEP_RUN(SUPP_BE);
+		if (eap_peer_sm_step(sm->eap))
+			sm->changed = TRUE;
+		if (!sm->changed)
+			break;
+	}
+
+	if (sm->changed) {
+		/* restart EAPOL state machine step from timeout call in order
+		 * to allow other events to be processed. */
+		eloop_cancel_timeout(eapol_sm_step_timeout, NULL, sm);
+		eloop_register_timeout(0, 0, eapol_sm_step_timeout, NULL, sm);
+	}
+
+	if (sm->ctx->cb && sm->cb_status != EAPOL_CB_IN_PROGRESS) {
+		int success = sm->cb_status == EAPOL_CB_SUCCESS ? 1 : 0;
+		sm->cb_status = EAPOL_CB_IN_PROGRESS;
+		sm->ctx->cb(sm, success, sm->ctx->cb_ctx);
+	}
+}
+
+
+#ifdef CONFIG_CTRL_IFACE
+static const char *eapol_supp_pae_state(int state)
+{
+	switch (state) {
+	case SUPP_PAE_LOGOFF:
+		return "LOGOFF";
+	case SUPP_PAE_DISCONNECTED:
+		return "DISCONNECTED";
+	case SUPP_PAE_CONNECTING:
+		return "CONNECTING";
+	case SUPP_PAE_AUTHENTICATING:
+		return "AUTHENTICATING";
+	case SUPP_PAE_HELD:
+		return "HELD";
+	case SUPP_PAE_AUTHENTICATED:
+		return "AUTHENTICATED";
+	case SUPP_PAE_RESTART:
+		return "RESTART";
+	default:
+		return "UNKNOWN";
+	}
+}
+
+
+static const char *eapol_supp_be_state(int state)
+{
+	switch (state) {
+	case SUPP_BE_REQUEST:
+		return "REQUEST";
+	case SUPP_BE_RESPONSE:
+		return "RESPONSE";
+	case SUPP_BE_SUCCESS:
+		return "SUCCESS";
+	case SUPP_BE_FAIL:
+		return "FAIL";
+	case SUPP_BE_TIMEOUT:
+		return "TIMEOUT";
+	case SUPP_BE_IDLE:
+		return "IDLE";
+	case SUPP_BE_INITIALIZE:
+		return "INITIALIZE";
+	case SUPP_BE_RECEIVE:
+		return "RECEIVE";
+	default:
+		return "UNKNOWN";
+	}
+}
+
+
+static const char * eapol_port_status(PortStatus status)
+{
+	if (status == Authorized)
+		return "Authorized";
+	else
+		return "Unauthorized";
+}
+#endif /* CONFIG_CTRL_IFACE */
+
+
+#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
+static const char * eapol_port_control(PortControl ctrl)
+{
+	switch (ctrl) {
+	case Auto:
+		return "Auto";
+	case ForceUnauthorized:
+		return "ForceUnauthorized";
+	case ForceAuthorized:
+		return "ForceAuthorized";
+	default:
+		return "Unknown";
+	}
+}
+#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
+
+
+/**
+ * eapol_sm_configure - Set EAPOL variables
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ * @heldPeriod: dot1xSuppHeldPeriod
+ * @authPeriod: dot1xSuppAuthPeriod
+ * @startPeriod: dot1xSuppStartPeriod
+ * @maxStart: dot1xSuppMaxStart
+ *
+ * Set configurable EAPOL state machine variables. Each variable can be set to
+ * the given value or ignored if set to -1 (to set only some of the variables).
+ */
+void eapol_sm_configure(struct eapol_sm *sm, int heldPeriod, int authPeriod,
+			int startPeriod, int maxStart)
+{
+	if (sm == NULL)
+		return;
+	if (heldPeriod >= 0)
+		sm->heldPeriod = heldPeriod;
+	if (authPeriod >= 0)
+		sm->authPeriod = authPeriod;
+	if (startPeriod >= 0)
+		sm->startPeriod = startPeriod;
+	if (maxStart >= 0)
+		sm->maxStart = maxStart;
+}
+
+
+/**
+ * eapol_sm_get_method_name - Get EAPOL method name
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ * Returns: Static string containing name of current eap method or NULL
+ */
+const char * eapol_sm_get_method_name(struct eapol_sm *sm)
+{
+	if (sm->SUPP_PAE_state != SUPP_PAE_AUTHENTICATED ||
+	    sm->suppPortStatus != Authorized)
+		return NULL;
+
+	return eap_sm_get_method_name(sm->eap);
+}
+
+
+#ifdef CONFIG_CTRL_IFACE
+/**
+ * eapol_sm_get_status - Get EAPOL state machine status
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ * @buf: Buffer for status information
+ * @buflen: Maximum buffer length
+ * @verbose: Whether to include verbose status information
+ * Returns: Number of bytes written to buf.
+ *
+ * Query EAPOL state machine for status information. This function fills in a
+ * text area with current status information from the EAPOL state machine. If
+ * the buffer (buf) is not large enough, status information will be truncated
+ * to fit the buffer.
+ */
+int eapol_sm_get_status(struct eapol_sm *sm, char *buf, size_t buflen,
+			int verbose)
+{
+	int len, ret;
+	if (sm == NULL)
+		return 0;
+
+	len = os_snprintf(buf, buflen,
+			  "Supplicant PAE state=%s\n"
+			  "suppPortStatus=%s\n",
+			  eapol_supp_pae_state(sm->SUPP_PAE_state),
+			  eapol_port_status(sm->suppPortStatus));
+	if (len < 0 || (size_t) len >= buflen)
+		return 0;
+
+	if (verbose) {
+		ret = os_snprintf(buf + len, buflen - len,
+				  "heldPeriod=%u\n"
+				  "authPeriod=%u\n"
+				  "startPeriod=%u\n"
+				  "maxStart=%u\n"
+				  "portControl=%s\n"
+				  "Supplicant Backend state=%s\n",
+				  sm->heldPeriod,
+				  sm->authPeriod,
+				  sm->startPeriod,
+				  sm->maxStart,
+				  eapol_port_control(sm->portControl),
+				  eapol_supp_be_state(sm->SUPP_BE_state));
+		if (ret < 0 || (size_t) ret >= buflen - len)
+			return len;
+		len += ret;
+	}
+
+	len += eap_sm_get_status(sm->eap, buf + len, buflen - len, verbose);
+
+	return len;
+}
+
+
+/**
+ * eapol_sm_get_mib - Get EAPOL state machine MIBs
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ * @buf: Buffer for MIB information
+ * @buflen: Maximum buffer length
+ * Returns: Number of bytes written to buf.
+ *
+ * Query EAPOL state machine for MIB information. This function fills in a
+ * text area with current MIB information from the EAPOL state machine. If
+ * the buffer (buf) is not large enough, MIB information will be truncated to
+ * fit the buffer.
+ */
+int eapol_sm_get_mib(struct eapol_sm *sm, char *buf, size_t buflen)
+{
+	size_t len;
+	int ret;
+
+	if (sm == NULL)
+		return 0;
+	ret = os_snprintf(buf, buflen,
+			  "dot1xSuppPaeState=%d\n"
+			  "dot1xSuppHeldPeriod=%u\n"
+			  "dot1xSuppAuthPeriod=%u\n"
+			  "dot1xSuppStartPeriod=%u\n"
+			  "dot1xSuppMaxStart=%u\n"
+			  "dot1xSuppSuppControlledPortStatus=%s\n"
+			  "dot1xSuppBackendPaeState=%d\n",
+			  sm->SUPP_PAE_state,
+			  sm->heldPeriod,
+			  sm->authPeriod,
+			  sm->startPeriod,
+			  sm->maxStart,
+			  sm->suppPortStatus == Authorized ?
+			  "Authorized" : "Unauthorized",
+			  sm->SUPP_BE_state);
+
+	if (ret < 0 || (size_t) ret >= buflen)
+		return 0;
+	len = ret;
+
+	ret = os_snprintf(buf + len, buflen - len,
+			  "dot1xSuppEapolFramesRx=%u\n"
+			  "dot1xSuppEapolFramesTx=%u\n"
+			  "dot1xSuppEapolStartFramesTx=%u\n"
+			  "dot1xSuppEapolLogoffFramesTx=%u\n"
+			  "dot1xSuppEapolRespFramesTx=%u\n"
+			  "dot1xSuppEapolReqIdFramesRx=%u\n"
+			  "dot1xSuppEapolReqFramesRx=%u\n"
+			  "dot1xSuppInvalidEapolFramesRx=%u\n"
+			  "dot1xSuppEapLengthErrorFramesRx=%u\n"
+			  "dot1xSuppLastEapolFrameVersion=%u\n"
+			  "dot1xSuppLastEapolFrameSource=" MACSTR "\n",
+			  sm->dot1xSuppEapolFramesRx,
+			  sm->dot1xSuppEapolFramesTx,
+			  sm->dot1xSuppEapolStartFramesTx,
+			  sm->dot1xSuppEapolLogoffFramesTx,
+			  sm->dot1xSuppEapolRespFramesTx,
+			  sm->dot1xSuppEapolReqIdFramesRx,
+			  sm->dot1xSuppEapolReqFramesRx,
+			  sm->dot1xSuppInvalidEapolFramesRx,
+			  sm->dot1xSuppEapLengthErrorFramesRx,
+			  sm->dot1xSuppLastEapolFrameVersion,
+			  MAC2STR(sm->dot1xSuppLastEapolFrameSource));
+
+	if (ret < 0 || (size_t) ret >= buflen - len)
+		return len;
+	len += ret;
+
+	return len;
+}
+#endif /* CONFIG_CTRL_IFACE */
+
+
+/**
+ * eapol_sm_rx_eapol - Process received EAPOL frames
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ * @src: Source MAC address of the EAPOL packet
+ * @buf: Pointer to the beginning of the EAPOL data (EAPOL header)
+ * @len: Length of the EAPOL frame
+ * Returns: 1 = EAPOL frame processed, 0 = not for EAPOL state machine,
+ * -1 failure
+ */
+int eapol_sm_rx_eapol(struct eapol_sm *sm, const u8 *src, const u8 *buf,
+		      size_t len)
+{
+	const struct ieee802_1x_hdr *hdr;
+	const struct ieee802_1x_eapol_key *key;
+	int data_len;
+	int res = 1;
+	size_t plen;
+
+	if (sm == NULL)
+		return 0;
+	sm->dot1xSuppEapolFramesRx++;
+	if (len < sizeof(*hdr)) {
+		sm->dot1xSuppInvalidEapolFramesRx++;
+		return 0;
+	}
+	hdr = (const struct ieee802_1x_hdr *) buf;
+	sm->dot1xSuppLastEapolFrameVersion = hdr->version;
+	os_memcpy(sm->dot1xSuppLastEapolFrameSource, src, ETH_ALEN);
+	if (hdr->version < EAPOL_VERSION) {
+		/* TODO: backwards compatibility */
+	}
+	plen = be_to_host16(hdr->length);
+	if (plen > len - sizeof(*hdr)) {
+		sm->dot1xSuppEapLengthErrorFramesRx++;
+		return 0;
+	}
+#ifdef CONFIG_WPS
+	if (sm->conf.workaround &&
+	    plen < len - sizeof(*hdr) &&
+	    hdr->type == IEEE802_1X_TYPE_EAP_PACKET &&
+	    len - sizeof(*hdr) > sizeof(struct eap_hdr)) {
+		const struct eap_hdr *ehdr =
+			(const struct eap_hdr *) (hdr + 1);
+		u16 elen;
+
+		elen = be_to_host16(ehdr->length);
+		if (elen > plen && elen <= len - sizeof(*hdr)) {
+			/*
+			 * Buffalo WHR-G125 Ver.1.47 seems to send EAP-WPS
+			 * packets with too short EAPOL header length field
+			 * (14 octets). This is fixed in firmware Ver.1.49.
+			 * As a workaround, fix the EAPOL header based on the
+			 * correct length in the EAP packet.
+			 */
+			wpa_printf(MSG_DEBUG, "EAPOL: Workaround - fix EAPOL "
+				   "payload length based on EAP header: "
+				   "%d -> %d", (int) plen, elen);
+			plen = elen;
+		}
+	}
+#endif /* CONFIG_WPS */
+	data_len = plen + sizeof(*hdr);
+
+	switch (hdr->type) {
+	case IEEE802_1X_TYPE_EAP_PACKET:
+		if (sm->cached_pmk) {
+			/* Trying to use PMKSA caching, but Authenticator did
+			 * not seem to have a matching entry. Need to restart
+			 * EAPOL state machines.
+			 */
+			eapol_sm_abort_cached(sm);
+		}
+		wpabuf_free(sm->eapReqData);
+		sm->eapReqData = wpabuf_alloc_copy(hdr + 1, plen);
+		if (sm->eapReqData) {
+			wpa_printf(MSG_DEBUG, "EAPOL: Received EAP-Packet "
+				   "frame");
+			sm->eapolEap = TRUE;
+			eapol_sm_step(sm);
+		}
+		break;
+	case IEEE802_1X_TYPE_EAPOL_KEY:
+		if (plen < sizeof(*key)) {
+			wpa_printf(MSG_DEBUG, "EAPOL: Too short EAPOL-Key "
+				   "frame received");
+			break;
+		}
+		key = (const struct ieee802_1x_eapol_key *) (hdr + 1);
+		if (key->type == EAPOL_KEY_TYPE_WPA ||
+		    key->type == EAPOL_KEY_TYPE_RSN) {
+			/* WPA Supplicant takes care of this frame. */
+			wpa_printf(MSG_DEBUG, "EAPOL: Ignoring WPA EAPOL-Key "
+				   "frame in EAPOL state machines");
+			res = 0;
+			break;
+		}
+		if (key->type != EAPOL_KEY_TYPE_RC4) {
+			wpa_printf(MSG_DEBUG, "EAPOL: Ignored unknown "
+				   "EAPOL-Key type %d", key->type);
+			break;
+		}
+		os_free(sm->last_rx_key);
+		sm->last_rx_key = os_malloc(data_len);
+		if (sm->last_rx_key) {
+			wpa_printf(MSG_DEBUG, "EAPOL: Received EAPOL-Key "
+				   "frame");
+			os_memcpy(sm->last_rx_key, buf, data_len);
+			sm->last_rx_key_len = data_len;
+			sm->rxKey = TRUE;
+			eapol_sm_step(sm);
+		}
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "EAPOL: Received unknown EAPOL type %d",
+			   hdr->type);
+		sm->dot1xSuppInvalidEapolFramesRx++;
+		break;
+	}
+
+	return res;
+}
+
+
+/**
+ * eapol_sm_notify_tx_eapol_key - Notification about transmitted EAPOL packet
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ *
+ * Notify EAPOL state machine about transmitted EAPOL packet from an external
+ * component, e.g., WPA. This will update the statistics.
+ */
+void eapol_sm_notify_tx_eapol_key(struct eapol_sm *sm)
+{
+	if (sm)
+		sm->dot1xSuppEapolFramesTx++;
+}
+
+
+/**
+ * eapol_sm_notify_portEnabled - Notification about portEnabled change
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ * @enabled: New portEnabled value
+ *
+ * Notify EAPOL state machine about new portEnabled value.
+ */
+void eapol_sm_notify_portEnabled(struct eapol_sm *sm, Boolean enabled)
+{
+	if (sm == NULL)
+		return;
+	wpa_printf(MSG_DEBUG, "EAPOL: External notification - "
+		   "portEnabled=%d", enabled);
+	sm->portEnabled = enabled;
+	eapol_sm_step(sm);
+}
+
+
+/**
+ * eapol_sm_notify_portValid - Notification about portValid change
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ * @valid: New portValid value
+ *
+ * Notify EAPOL state machine about new portValid value.
+ */
+void eapol_sm_notify_portValid(struct eapol_sm *sm, Boolean valid)
+{
+	if (sm == NULL)
+		return;
+	wpa_printf(MSG_DEBUG, "EAPOL: External notification - "
+		   "portValid=%d", valid);
+	sm->portValid = valid;
+	eapol_sm_step(sm);
+}
+
+
+/**
+ * eapol_sm_notify_eap_success - Notification of external EAP success trigger
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ * @success: %TRUE = set success, %FALSE = clear success
+ *
+ * Notify the EAPOL state machine that external event has forced EAP state to
+ * success (success = %TRUE). This can be cleared by setting success = %FALSE.
+ *
+ * This function is called to update EAP state when WPA-PSK key handshake has
+ * been completed successfully since WPA-PSK does not use EAP state machine.
+ */
+void eapol_sm_notify_eap_success(struct eapol_sm *sm, Boolean success)
+{
+	if (sm == NULL)
+		return;
+	wpa_printf(MSG_DEBUG, "EAPOL: External notification - "
+		   "EAP success=%d", success);
+	sm->eapSuccess = success;
+	sm->altAccept = success;
+	if (success)
+		eap_notify_success(sm->eap);
+	eapol_sm_step(sm);
+}
+
+
+/**
+ * eapol_sm_notify_eap_fail - Notification of external EAP failure trigger
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ * @fail: %TRUE = set failure, %FALSE = clear failure
+ *
+ * Notify EAPOL state machine that external event has forced EAP state to
+ * failure (fail = %TRUE). This can be cleared by setting fail = %FALSE.
+ */
+void eapol_sm_notify_eap_fail(struct eapol_sm *sm, Boolean fail)
+{
+	if (sm == NULL)
+		return;
+	wpa_printf(MSG_DEBUG, "EAPOL: External notification - "
+		   "EAP fail=%d", fail);
+	sm->eapFail = fail;
+	sm->altReject = fail;
+	eapol_sm_step(sm);
+}
+
+
+/**
+ * eapol_sm_notify_config - Notification of EAPOL configuration change
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ * @config: Pointer to current network EAP configuration
+ * @conf: Pointer to EAPOL configuration data
+ *
+ * Notify EAPOL state machine that configuration has changed. config will be
+ * stored as a backpointer to network configuration. This can be %NULL to clear
+ * the stored pointed. conf will be copied to local EAPOL/EAP configuration
+ * data. If conf is %NULL, this part of the configuration change will be
+ * skipped.
+ */
+void eapol_sm_notify_config(struct eapol_sm *sm,
+			    struct eap_peer_config *config,
+			    const struct eapol_config *conf)
+{
+	if (sm == NULL)
+		return;
+
+	sm->config = config;
+
+	if (conf == NULL)
+		return;
+
+	sm->conf.accept_802_1x_keys = conf->accept_802_1x_keys;
+	sm->conf.required_keys = conf->required_keys;
+	sm->conf.fast_reauth = conf->fast_reauth;
+	sm->conf.workaround = conf->workaround;
+	if (sm->eap) {
+		eap_set_fast_reauth(sm->eap, conf->fast_reauth);
+		eap_set_workaround(sm->eap, conf->workaround);
+		eap_set_force_disabled(sm->eap, conf->eap_disabled);
+	}
+}
+
+
+/**
+ * eapol_sm_get_key - Get master session key (MSK) from EAP
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ * @key: Pointer for key buffer
+ * @len: Number of bytes to copy to key
+ * Returns: 0 on success (len of key available), maximum available key len
+ * (>0) if key is available but it is shorter than len, or -1 on failure.
+ *
+ * Fetch EAP keying material (MSK, eapKeyData) from EAP state machine. The key
+ * is available only after a successful authentication.
+ */
+int eapol_sm_get_key(struct eapol_sm *sm, u8 *key, size_t len)
+{
+	const u8 *eap_key;
+	size_t eap_len;
+
+	if (sm == NULL || !eap_key_available(sm->eap)) {
+		wpa_printf(MSG_DEBUG, "EAPOL: EAP key not available");
+		return -1;
+	}
+	eap_key = eap_get_eapKeyData(sm->eap, &eap_len);
+	if (eap_key == NULL) {
+		wpa_printf(MSG_DEBUG, "EAPOL: Failed to get eapKeyData");
+		return -1;
+	}
+	if (len > eap_len) {
+		wpa_printf(MSG_DEBUG, "EAPOL: Requested key length (%lu) not "
+			   "available (len=%lu)",
+			   (unsigned long) len, (unsigned long) eap_len);
+		return eap_len;
+	}
+	os_memcpy(key, eap_key, len);
+	wpa_printf(MSG_DEBUG, "EAPOL: Successfully fetched key (len=%lu)",
+		   (unsigned long) len);
+	return 0;
+}
+
+
+/**
+ * eapol_sm_notify_logoff - Notification of logon/logoff commands
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ * @logoff: Whether command was logoff
+ *
+ * Notify EAPOL state machines that user requested logon/logoff.
+ */
+void eapol_sm_notify_logoff(struct eapol_sm *sm, Boolean logoff)
+{
+	if (sm) {
+		sm->userLogoff = logoff;
+		eapol_sm_step(sm);
+	}
+}
+
+
+/**
+ * eapol_sm_notify_pmkid_attempt - Notification of successful PMKSA caching
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ *
+ * Notify EAPOL state machines that PMKSA caching was successful. This is used
+ * to move EAPOL and EAP state machines into authenticated/successful state.
+ */
+void eapol_sm_notify_cached(struct eapol_sm *sm)
+{
+	if (sm == NULL)
+		return;
+	wpa_printf(MSG_DEBUG, "EAPOL: PMKSA caching was used - skip EAPOL");
+	sm->SUPP_PAE_state = SUPP_PAE_AUTHENTICATED;
+	sm->suppPortStatus = Authorized;
+	eapol_sm_set_port_authorized(sm);
+	sm->portValid = TRUE;
+	eap_notify_success(sm->eap);
+	eapol_sm_step(sm);
+}
+
+
+/**
+ * eapol_sm_notify_pmkid_attempt - Notification of PMKSA caching
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ * @attempt: Whether PMKSA caching is tried
+ *
+ * Notify EAPOL state machines whether PMKSA caching is used.
+ */
+void eapol_sm_notify_pmkid_attempt(struct eapol_sm *sm, int attempt)
+{
+	if (sm == NULL)
+		return;
+	if (attempt) {
+		wpa_printf(MSG_DEBUG, "RSN: Trying to use cached PMKSA");
+		sm->cached_pmk = TRUE;
+	} else {
+		wpa_printf(MSG_DEBUG, "RSN: Do not try to use cached PMKSA");
+		sm->cached_pmk = FALSE;
+	}
+}
+
+
+static void eapol_sm_abort_cached(struct eapol_sm *sm)
+{
+	wpa_printf(MSG_DEBUG, "RSN: Authenticator did not accept PMKID, "
+		   "doing full EAP authentication");
+	if (sm == NULL)
+		return;
+	sm->cached_pmk = FALSE;
+	sm->SUPP_PAE_state = SUPP_PAE_CONNECTING;
+	sm->suppPortStatus = Unauthorized;
+	eapol_sm_set_port_unauthorized(sm);
+
+	/* Make sure we do not start sending EAPOL-Start frames first, but
+	 * instead move to RESTART state to start EAPOL authentication. */
+	sm->startWhen = 3;
+	eapol_enable_timer_tick(sm);
+
+	if (sm->ctx->aborted_cached)
+		sm->ctx->aborted_cached(sm->ctx->ctx);
+}
+
+
+/**
+ * eapol_sm_register_scard_ctx - Notification of smart card context
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ * @ctx: Context data for smart card operations
+ *
+ * Notify EAPOL state machines of context data for smart card operations. This
+ * context data will be used as a parameter for scard_*() functions.
+ */
+void eapol_sm_register_scard_ctx(struct eapol_sm *sm, void *ctx)
+{
+	if (sm) {
+		sm->ctx->scard_ctx = ctx;
+		eap_register_scard_ctx(sm->eap, ctx);
+	}
+}
+
+
+/**
+ * eapol_sm_notify_portControl - Notification of portControl changes
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ * @portControl: New value for portControl variable
+ *
+ * Notify EAPOL state machines that portControl variable has changed.
+ */
+void eapol_sm_notify_portControl(struct eapol_sm *sm, PortControl portControl)
+{
+	if (sm == NULL)
+		return;
+	wpa_printf(MSG_DEBUG, "EAPOL: External notification - "
+		   "portControl=%s", eapol_port_control(portControl));
+	sm->portControl = portControl;
+	eapol_sm_step(sm);
+}
+
+
+/**
+ * eapol_sm_notify_ctrl_attached - Notification of attached monitor
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ *
+ * Notify EAPOL state machines that a monitor was attached to the control
+ * interface to trigger re-sending of pending requests for user input.
+ */
+void eapol_sm_notify_ctrl_attached(struct eapol_sm *sm)
+{
+	if (sm == NULL)
+		return;
+	eap_sm_notify_ctrl_attached(sm->eap);
+}
+
+
+/**
+ * eapol_sm_notify_ctrl_response - Notification of received user input
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ *
+ * Notify EAPOL state machines that a control response, i.e., user
+ * input, was received in order to trigger retrying of a pending EAP request.
+ */
+void eapol_sm_notify_ctrl_response(struct eapol_sm *sm)
+{
+	if (sm == NULL)
+		return;
+	if (sm->eapReqData && !sm->eapReq) {
+		wpa_printf(MSG_DEBUG, "EAPOL: received control response (user "
+			   "input) notification - retrying pending EAP "
+			   "Request");
+		sm->eapolEap = TRUE;
+		sm->eapReq = TRUE;
+		eapol_sm_step(sm);
+	}
+}
+
+
+/**
+ * eapol_sm_request_reauth - Request reauthentication
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ *
+ * This function can be used to request EAPOL reauthentication, e.g., when the
+ * current PMKSA entry is nearing expiration.
+ */
+void eapol_sm_request_reauth(struct eapol_sm *sm)
+{
+	if (sm == NULL || sm->SUPP_PAE_state != SUPP_PAE_AUTHENTICATED)
+		return;
+	eapol_sm_txStart(sm);
+}
+
+
+/**
+ * eapol_sm_notify_lower_layer_success - Notification of lower layer success
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ * @in_eapol_sm: Whether the caller is already running inside EAPOL state
+ * machine loop (eapol_sm_step())
+ *
+ * Notify EAPOL (and EAP) state machines that a lower layer has detected a
+ * successful authentication. This is used to recover from dropped EAP-Success
+ * messages.
+ */
+void eapol_sm_notify_lower_layer_success(struct eapol_sm *sm, int in_eapol_sm)
+{
+	if (sm == NULL)
+		return;
+	eap_notify_lower_layer_success(sm->eap);
+	if (!in_eapol_sm)
+		eapol_sm_step(sm);
+}
+
+
+/**
+ * eapol_sm_invalidate_cached_session - Mark cached EAP session data invalid
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ */
+void eapol_sm_invalidate_cached_session(struct eapol_sm *sm)
+{
+	if (sm)
+		eap_invalidate_cached_session(sm->eap);
+}
+
+
+static struct eap_peer_config * eapol_sm_get_config(void *ctx)
+{
+	struct eapol_sm *sm = ctx;
+	return sm ? sm->config : NULL;
+}
+
+
+static struct wpabuf * eapol_sm_get_eapReqData(void *ctx)
+{
+	struct eapol_sm *sm = ctx;
+	if (sm == NULL || sm->eapReqData == NULL)
+		return NULL;
+
+	return sm->eapReqData;
+}
+
+
+static Boolean eapol_sm_get_bool(void *ctx, enum eapol_bool_var variable)
+{
+	struct eapol_sm *sm = ctx;
+	if (sm == NULL)
+		return FALSE;
+	switch (variable) {
+	case EAPOL_eapSuccess:
+		return sm->eapSuccess;
+	case EAPOL_eapRestart:
+		return sm->eapRestart;
+	case EAPOL_eapFail:
+		return sm->eapFail;
+	case EAPOL_eapResp:
+		return sm->eapResp;
+	case EAPOL_eapNoResp:
+		return sm->eapNoResp;
+	case EAPOL_eapReq:
+		return sm->eapReq;
+	case EAPOL_portEnabled:
+		return sm->portEnabled;
+	case EAPOL_altAccept:
+		return sm->altAccept;
+	case EAPOL_altReject:
+		return sm->altReject;
+	}
+	return FALSE;
+}
+
+
+static void eapol_sm_set_bool(void *ctx, enum eapol_bool_var variable,
+			      Boolean value)
+{
+	struct eapol_sm *sm = ctx;
+	if (sm == NULL)
+		return;
+	switch (variable) {
+	case EAPOL_eapSuccess:
+		sm->eapSuccess = value;
+		break;
+	case EAPOL_eapRestart:
+		sm->eapRestart = value;
+		break;
+	case EAPOL_eapFail:
+		sm->eapFail = value;
+		break;
+	case EAPOL_eapResp:
+		sm->eapResp = value;
+		break;
+	case EAPOL_eapNoResp:
+		sm->eapNoResp = value;
+		break;
+	case EAPOL_eapReq:
+		sm->eapReq = value;
+		break;
+	case EAPOL_portEnabled:
+		sm->portEnabled = value;
+		break;
+	case EAPOL_altAccept:
+		sm->altAccept = value;
+		break;
+	case EAPOL_altReject:
+		sm->altReject = value;
+		break;
+	}
+}
+
+
+static unsigned int eapol_sm_get_int(void *ctx, enum eapol_int_var variable)
+{
+	struct eapol_sm *sm = ctx;
+	if (sm == NULL)
+		return 0;
+	switch (variable) {
+	case EAPOL_idleWhile:
+		return sm->idleWhile;
+	}
+	return 0;
+}
+
+
+static void eapol_sm_set_int(void *ctx, enum eapol_int_var variable,
+			     unsigned int value)
+{
+	struct eapol_sm *sm = ctx;
+	if (sm == NULL)
+		return;
+	switch (variable) {
+	case EAPOL_idleWhile:
+		sm->idleWhile = value;
+		eapol_enable_timer_tick(sm);
+		break;
+	}
+}
+
+
+static void eapol_sm_set_config_blob(void *ctx, struct wpa_config_blob *blob)
+{
+#ifndef CONFIG_NO_CONFIG_BLOBS
+	struct eapol_sm *sm = ctx;
+	if (sm && sm->ctx && sm->ctx->set_config_blob)
+		sm->ctx->set_config_blob(sm->ctx->ctx, blob);
+#endif /* CONFIG_NO_CONFIG_BLOBS */
+}
+
+
+static const struct wpa_config_blob *
+eapol_sm_get_config_blob(void *ctx, const char *name)
+{
+#ifndef CONFIG_NO_CONFIG_BLOBS
+	struct eapol_sm *sm = ctx;
+	if (sm && sm->ctx && sm->ctx->get_config_blob)
+		return sm->ctx->get_config_blob(sm->ctx->ctx, name);
+	else
+		return NULL;
+#else /* CONFIG_NO_CONFIG_BLOBS */
+	return NULL;
+#endif /* CONFIG_NO_CONFIG_BLOBS */
+}
+
+
+static void eapol_sm_notify_pending(void *ctx)
+{
+	struct eapol_sm *sm = ctx;
+	if (sm == NULL)
+		return;
+	if (sm->eapReqData && !sm->eapReq) {
+		wpa_printf(MSG_DEBUG, "EAPOL: received notification from EAP "
+			   "state machine - retrying pending EAP Request");
+		sm->eapolEap = TRUE;
+		sm->eapReq = TRUE;
+		eapol_sm_step(sm);
+	}
+}
+
+
+#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
+static void eapol_sm_eap_param_needed(void *ctx, const char *field,
+				      const char *txt)
+{
+	struct eapol_sm *sm = ctx;
+	wpa_printf(MSG_DEBUG, "EAPOL: EAP parameter needed");
+	if (sm->ctx->eap_param_needed)
+		sm->ctx->eap_param_needed(sm->ctx->ctx, field, txt);
+}
+#else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
+#define eapol_sm_eap_param_needed NULL
+#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
+
+
+static struct eapol_callbacks eapol_cb =
+{
+	eapol_sm_get_config,
+	eapol_sm_get_bool,
+	eapol_sm_set_bool,
+	eapol_sm_get_int,
+	eapol_sm_set_int,
+	eapol_sm_get_eapReqData,
+	eapol_sm_set_config_blob,
+	eapol_sm_get_config_blob,
+	eapol_sm_notify_pending,
+	eapol_sm_eap_param_needed
+};
+
+
+/**
+ * eapol_sm_init - Initialize EAPOL state machine
+ * @ctx: Pointer to EAPOL context data; this needs to be an allocated buffer
+ * and EAPOL state machine will free it in eapol_sm_deinit()
+ * Returns: Pointer to the allocated EAPOL state machine or %NULL on failure
+ *
+ * Allocate and initialize an EAPOL state machine.
+ */
+struct eapol_sm *eapol_sm_init(struct eapol_ctx *ctx)
+{
+	struct eapol_sm *sm;
+	struct eap_config conf;
+	sm = os_zalloc(sizeof(*sm));
+	if (sm == NULL)
+		return NULL;
+	sm->ctx = ctx;
+
+	sm->portControl = Auto;
+
+	/* Supplicant PAE state machine */
+	sm->heldPeriod = 60;
+	sm->startPeriod = 30;
+	sm->maxStart = 3;
+
+	/* Supplicant Backend state machine */
+	sm->authPeriod = 30;
+
+	os_memset(&conf, 0, sizeof(conf));
+	conf.opensc_engine_path = ctx->opensc_engine_path;
+	conf.pkcs11_engine_path = ctx->pkcs11_engine_path;
+	conf.pkcs11_module_path = ctx->pkcs11_module_path;
+	conf.wps = ctx->wps;
+
+	sm->eap = eap_peer_sm_init(sm, &eapol_cb, sm->ctx->msg_ctx, &conf);
+	if (sm->eap == NULL) {
+		os_free(sm);
+		return NULL;
+	}
+
+	/* Initialize EAPOL state machines */
+	sm->initialize = TRUE;
+	eapol_sm_step(sm);
+	sm->initialize = FALSE;
+	eapol_sm_step(sm);
+
+	sm->timer_tick_enabled = 1;
+	eloop_register_timeout(1, 0, eapol_port_timers_tick, NULL, sm);
+
+	return sm;
+}
+
+
+/**
+ * eapol_sm_deinit - Deinitialize EAPOL state machine
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ *
+ * Deinitialize and free EAPOL state machine.
+ */
+void eapol_sm_deinit(struct eapol_sm *sm)
+{
+	if (sm == NULL)
+		return;
+	eloop_cancel_timeout(eapol_sm_step_timeout, NULL, sm);
+	eloop_cancel_timeout(eapol_port_timers_tick, NULL, sm);
+	eap_peer_sm_deinit(sm->eap);
+	os_free(sm->last_rx_key);
+	wpabuf_free(sm->eapReqData);
+	os_free(sm->ctx);
+	os_free(sm);
+}
diff --git a/src/eapol_supp/eapol_supp_sm.h b/src/eapol_supp/eapol_supp_sm.h
new file mode 100644
index 0000000..1bdf8cd
--- /dev/null
+++ b/src/eapol_supp/eapol_supp_sm.h
@@ -0,0 +1,352 @@
+/*
+ * EAPOL supplicant state machines
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EAPOL_SUPP_SM_H
+#define EAPOL_SUPP_SM_H
+
+#include "common/defs.h"
+
+typedef enum { Unauthorized, Authorized } PortStatus;
+typedef enum { Auto, ForceUnauthorized, ForceAuthorized } PortControl;
+
+/**
+ * struct eapol_config - Per network configuration for EAPOL state machines
+ */
+struct eapol_config {
+	/**
+	 * accept_802_1x_keys - Accept IEEE 802.1X (non-WPA) EAPOL-Key frames
+	 *
+	 * This variable should be set to 1 when using EAPOL state machines
+	 * with non-WPA security policy to generate dynamic WEP keys. When
+	 * using WPA, this should be set to 0 so that WPA state machine can
+	 * process the EAPOL-Key frames.
+	 */
+	int accept_802_1x_keys;
+
+#define EAPOL_REQUIRE_KEY_UNICAST BIT(0)
+#define EAPOL_REQUIRE_KEY_BROADCAST BIT(1)
+	/**
+	 * required_keys - Which EAPOL-Key packets are required
+	 *
+	 * This variable determines which EAPOL-Key packets are required before
+	 * marking connection authenticated. This is a bit field of
+	 * EAPOL_REQUIRE_KEY_UNICAST and EAPOL_REQUIRE_KEY_BROADCAST flags.
+	 */
+	int required_keys;
+
+	/**
+	 * fast_reauth - Whether fast EAP reauthentication is enabled
+	 */
+	int fast_reauth;
+
+	/**
+	 * workaround - Whether EAP workarounds are enabled
+	 */
+	unsigned int workaround;
+
+	/**
+	 * eap_disabled - Whether EAP is disabled
+	 */
+	int eap_disabled;
+};
+
+struct eapol_sm;
+struct wpa_config_blob;
+
+/**
+ * struct eapol_ctx - Global (for all networks) EAPOL state machine context
+ */
+struct eapol_ctx {
+	/**
+	 * ctx - Pointer to arbitrary upper level context
+	 */
+	void *ctx;
+
+	/**
+	 * preauth - IEEE 802.11i/RSN pre-authentication
+	 *
+	 * This EAPOL state machine is used for IEEE 802.11i/RSN
+	 * pre-authentication
+	 */
+	int preauth;
+
+	/**
+	 * cb - Function to be called when EAPOL negotiation has been completed
+	 * @eapol: Pointer to EAPOL state machine data
+	 * @success: Whether the authentication was completed successfully
+	 * @ctx: Pointer to context data (cb_ctx)
+	 *
+	 * This optional callback function will be called when the EAPOL
+	 * authentication has been completed. This allows the owner of the
+	 * EAPOL state machine to process the key and terminate the EAPOL state
+	 * machine. Currently, this is used only in RSN pre-authentication.
+	 */
+	void (*cb)(struct eapol_sm *eapol, int success, void *ctx);
+
+	/**
+	 * cb_ctx - Callback context for cb()
+	 */
+	void *cb_ctx;
+
+	/**
+	 * msg_ctx - Callback context for wpa_msg() calls
+	 */
+	void *msg_ctx;
+
+	/**
+	 * scard_ctx - Callback context for PC/SC scard_*() function calls
+	 *
+	 * This context can be updated with eapol_sm_register_scard_ctx().
+	 */
+	void *scard_ctx;
+
+	/**
+	 * eapol_send_ctx - Callback context for eapol_send() calls
+	 */
+	void *eapol_send_ctx;
+
+	/**
+	 * eapol_done_cb - Function to be called at successful completion
+	 * @ctx: Callback context (ctx)
+	 *
+	 * This function is called at the successful completion of EAPOL
+	 * authentication. If dynamic WEP keys are used, this is called only
+	 * after all the expected keys have been received.
+	 */
+	void (*eapol_done_cb)(void *ctx);
+
+	/**
+	 * eapol_send - Send EAPOL packets
+	 * @ctx: Callback context (eapol_send_ctx)
+	 * @type: EAPOL type (IEEE802_1X_TYPE_*)
+	 * @buf: Pointer to EAPOL payload
+	 * @len: Length of the EAPOL payload
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*eapol_send)(void *ctx, int type, const u8 *buf, size_t len);
+
+	/**
+	 * set_wep_key - Configure WEP keys
+	 * @ctx: Callback context (ctx)
+	 * @unicast: Non-zero = unicast, 0 = multicast/broadcast key
+	 * @keyidx: Key index (0..3)
+	 * @key: WEP key
+	 * @keylen: Length of the WEP key
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*set_wep_key)(void *ctx, int unicast, int keyidx,
+			   const u8 *key, size_t keylen);
+
+	/**
+	 * set_config_blob - Set or add a named configuration blob
+	 * @ctx: Callback context (ctx)
+	 * @blob: New value for the blob
+	 *
+	 * Adds a new configuration blob or replaces the current value of an
+	 * existing blob.
+	 */
+	void (*set_config_blob)(void *ctx, struct wpa_config_blob *blob);
+
+	/**
+	 * get_config_blob - Get a named configuration blob
+	 * @ctx: Callback context (ctx)
+	 * @name: Name of the blob
+	 * Returns: Pointer to blob data or %NULL if not found
+	 */
+	const struct wpa_config_blob * (*get_config_blob)(void *ctx,
+							  const char *name);
+
+	/**
+	 * aborted_cached - Notify that cached PMK attempt was aborted
+	 * @ctx: Callback context (ctx)
+	 */
+	void (*aborted_cached)(void *ctx);
+
+	/**
+	 * opensc_engine_path - Path to the OpenSSL engine for opensc
+	 *
+	 * This is an OpenSSL specific configuration option for loading OpenSC
+	 * engine (engine_opensc.so); if %NULL, this engine is not loaded.
+	 */
+	const char *opensc_engine_path;
+
+	/**
+	 * pkcs11_engine_path - Path to the OpenSSL engine for PKCS#11
+	 *
+	 * This is an OpenSSL specific configuration option for loading PKCS#11
+	 * engine (engine_pkcs11.so); if %NULL, this engine is not loaded.
+	 */
+	const char *pkcs11_engine_path;
+
+	/**
+	 * pkcs11_module_path - Path to the OpenSSL OpenSC/PKCS#11 module
+	 *
+	 * This is an OpenSSL specific configuration option for configuring
+	 * path to OpenSC/PKCS#11 engine (opensc-pkcs11.so); if %NULL, this
+	 * module is not loaded.
+	 */
+	const char *pkcs11_module_path;
+
+	/**
+	 * wps - WPS context data
+	 *
+	 * This is only used by EAP-WSC and can be left %NULL if not available.
+	 */
+	struct wps_context *wps;
+
+	/**
+	 * eap_param_needed - Notify that EAP parameter is needed
+	 * @ctx: Callback context (ctx)
+	 * @field: Field name (e.g., "IDENTITY")
+	 * @txt: User readable text describing the required parameter
+	 */
+	void (*eap_param_needed)(void *ctx, const char *field,
+				 const char *txt);
+
+	/**
+	 * port_cb - Set port authorized/unauthorized callback (optional)
+	 * @ctx: Callback context (ctx)
+	 * @authorized: Whether the supplicant port is now in authorized state
+	 */
+	void (*port_cb)(void *ctx, int authorized);
+};
+
+
+struct eap_peer_config;
+
+#ifdef IEEE8021X_EAPOL
+struct eapol_sm *eapol_sm_init(struct eapol_ctx *ctx);
+void eapol_sm_deinit(struct eapol_sm *sm);
+void eapol_sm_step(struct eapol_sm *sm);
+int eapol_sm_get_status(struct eapol_sm *sm, char *buf, size_t buflen,
+			int verbose);
+int eapol_sm_get_mib(struct eapol_sm *sm, char *buf, size_t buflen);
+void eapol_sm_configure(struct eapol_sm *sm, int heldPeriod, int authPeriod,
+			int startPeriod, int maxStart);
+int eapol_sm_rx_eapol(struct eapol_sm *sm, const u8 *src, const u8 *buf,
+		      size_t len);
+void eapol_sm_notify_tx_eapol_key(struct eapol_sm *sm);
+void eapol_sm_notify_portEnabled(struct eapol_sm *sm, Boolean enabled);
+void eapol_sm_notify_portValid(struct eapol_sm *sm, Boolean valid);
+void eapol_sm_notify_eap_success(struct eapol_sm *sm, Boolean success);
+void eapol_sm_notify_eap_fail(struct eapol_sm *sm, Boolean fail);
+void eapol_sm_notify_config(struct eapol_sm *sm,
+			    struct eap_peer_config *config,
+			    const struct eapol_config *conf);
+int eapol_sm_get_key(struct eapol_sm *sm, u8 *key, size_t len);
+void eapol_sm_notify_logoff(struct eapol_sm *sm, Boolean logoff);
+void eapol_sm_notify_cached(struct eapol_sm *sm);
+void eapol_sm_notify_pmkid_attempt(struct eapol_sm *sm, int attempt);
+void eapol_sm_register_scard_ctx(struct eapol_sm *sm, void *ctx);
+void eapol_sm_notify_portControl(struct eapol_sm *sm, PortControl portControl);
+void eapol_sm_notify_ctrl_attached(struct eapol_sm *sm);
+void eapol_sm_notify_ctrl_response(struct eapol_sm *sm);
+void eapol_sm_request_reauth(struct eapol_sm *sm);
+void eapol_sm_notify_lower_layer_success(struct eapol_sm *sm, int in_eapol_sm);
+void eapol_sm_invalidate_cached_session(struct eapol_sm *sm);
+const char * eapol_sm_get_method_name(struct eapol_sm *sm);
+#else /* IEEE8021X_EAPOL */
+static inline struct eapol_sm *eapol_sm_init(struct eapol_ctx *ctx)
+{
+	free(ctx);
+	return (struct eapol_sm *) 1;
+}
+static inline void eapol_sm_deinit(struct eapol_sm *sm)
+{
+}
+static inline void eapol_sm_step(struct eapol_sm *sm)
+{
+}
+static inline int eapol_sm_get_status(struct eapol_sm *sm, char *buf,
+				      size_t buflen, int verbose)
+{
+	return 0;
+}
+static inline int eapol_sm_get_mib(struct eapol_sm *sm, char *buf,
+				   size_t buflen)
+{
+	return 0;
+}
+static inline void eapol_sm_configure(struct eapol_sm *sm, int heldPeriod,
+				      int authPeriod, int startPeriod,
+				      int maxStart)
+{
+}
+static inline int eapol_sm_rx_eapol(struct eapol_sm *sm, const u8 *src,
+				    const u8 *buf, size_t len)
+{
+	return 0;
+}
+static inline void eapol_sm_notify_tx_eapol_key(struct eapol_sm *sm)
+{
+}
+static inline void eapol_sm_notify_portEnabled(struct eapol_sm *sm,
+					       Boolean enabled)
+{
+}
+static inline void eapol_sm_notify_portValid(struct eapol_sm *sm,
+					     Boolean valid)
+{
+}
+static inline void eapol_sm_notify_eap_success(struct eapol_sm *sm,
+					       Boolean success)
+{
+}
+static inline void eapol_sm_notify_eap_fail(struct eapol_sm *sm, Boolean fail)
+{
+}
+static inline void eapol_sm_notify_config(struct eapol_sm *sm,
+					  struct eap_peer_config *config,
+					  struct eapol_config *conf)
+{
+}
+static inline int eapol_sm_get_key(struct eapol_sm *sm, u8 *key, size_t len)
+{
+	return -1;
+}
+static inline void eapol_sm_notify_logoff(struct eapol_sm *sm, Boolean logoff)
+{
+}
+static inline void eapol_sm_notify_cached(struct eapol_sm *sm)
+{
+}
+#define eapol_sm_notify_pmkid_attempt(sm, attempt) do { } while (0)
+#define eapol_sm_register_scard_ctx(sm, ctx) do { } while (0)
+static inline void eapol_sm_notify_portControl(struct eapol_sm *sm,
+					       PortControl portControl)
+{
+}
+static inline void eapol_sm_notify_ctrl_attached(struct eapol_sm *sm)
+{
+}
+static inline void eapol_sm_notify_ctrl_response(struct eapol_sm *sm)
+{
+}
+static inline void eapol_sm_request_reauth(struct eapol_sm *sm)
+{
+}
+static inline void eapol_sm_notify_lower_layer_success(struct eapol_sm *sm,
+						       int in_eapol_sm)
+{
+}
+static inline void eapol_sm_invalidate_cached_session(struct eapol_sm *sm)
+{
+}
+static inline const char * eapol_sm_get_method_name(struct eapol_sm *sm)
+{
+	return NULL;
+}
+#endif /* IEEE8021X_EAPOL */
+
+#endif /* EAPOL_SUPP_SM_H */
diff --git a/src/l2_packet/Makefile b/src/l2_packet/Makefile
new file mode 100644
index 0000000..9c41962
--- /dev/null
+++ b/src/l2_packet/Makefile
@@ -0,0 +1,8 @@
+all:
+	@echo Nothing to be made.
+
+clean:
+	rm -f *~ *.o *.d
+
+install:
+	@echo Nothing to be made.
diff --git a/src/l2_packet/l2_packet.h b/src/l2_packet/l2_packet.h
new file mode 100644
index 0000000..c7b5014
--- /dev/null
+++ b/src/l2_packet/l2_packet.h
@@ -0,0 +1,130 @@
+/*
+ * WPA Supplicant - Layer2 packet interface definition
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This file defines an interface for layer 2 (link layer) packet sending and
+ * receiving. l2_packet_linux.c is one implementation for such a layer 2
+ * implementation using Linux packet sockets and l2_packet_pcap.c another one
+ * using libpcap and libdnet. When porting %wpa_supplicant to other operating
+ * systems, a new l2_packet implementation may need to be added.
+ */
+
+#ifndef L2_PACKET_H
+#define L2_PACKET_H
+
+/**
+ * struct l2_packet_data - Internal l2_packet data structure
+ *
+ * This structure is used by the l2_packet implementation to store its private
+ * data. Other files use a pointer to this data when calling the l2_packet
+ * functions, but the contents of this structure should not be used directly
+ * outside l2_packet implementation.
+ */
+struct l2_packet_data;
+
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+struct l2_ethhdr {
+	u8 h_dest[ETH_ALEN];
+	u8 h_source[ETH_ALEN];
+	be16 h_proto;
+} STRUCT_PACKED;
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+/**
+ * l2_packet_init - Initialize l2_packet interface
+ * @ifname: Interface name
+ * @own_addr: Optional own MAC address if available from driver interface or
+ *	%NULL if not available
+ * @protocol: Ethernet protocol number in host byte order
+ * @rx_callback: Callback function that will be called for each received packet
+ * @rx_callback_ctx: Callback data (ctx) for calls to rx_callback()
+ * @l2_hdr: 1 = include layer 2 header, 0 = do not include header
+ * Returns: Pointer to internal data or %NULL on failure
+ *
+ * rx_callback function will be called with src_addr pointing to the source
+ * address (MAC address) of the the packet. If l2_hdr is set to 0, buf
+ * points to len bytes of the payload after the layer 2 header and similarly,
+ * TX buffers start with payload. This behavior can be changed by setting
+ * l2_hdr=1 to include the layer 2 header in the data buffer.
+ */
+struct l2_packet_data * l2_packet_init(
+	const char *ifname, const u8 *own_addr, unsigned short protocol,
+	void (*rx_callback)(void *ctx, const u8 *src_addr,
+			    const u8 *buf, size_t len),
+	void *rx_callback_ctx, int l2_hdr);
+
+/**
+ * l2_packet_deinit - Deinitialize l2_packet interface
+ * @l2: Pointer to internal l2_packet data from l2_packet_init()
+ */
+void l2_packet_deinit(struct l2_packet_data *l2);
+
+/**
+ * l2_packet_get_own_addr - Get own layer 2 address
+ * @l2: Pointer to internal l2_packet data from l2_packet_init()
+ * @addr: Buffer for the own address (6 bytes)
+ * Returns: 0 on success, -1 on failure
+ */
+int l2_packet_get_own_addr(struct l2_packet_data *l2, u8 *addr);
+
+/**
+ * l2_packet_send - Send a packet
+ * @l2: Pointer to internal l2_packet data from l2_packet_init()
+ * @dst_addr: Destination address for the packet (only used if l2_hdr == 0)
+ * @proto: Protocol/ethertype for the packet in host byte order (only used if
+ * l2_hdr == 0)
+ * @buf: Packet contents to be sent; including layer 2 header if l2_hdr was
+ * set to 1 in l2_packet_init() call. Otherwise, only the payload of the packet
+ * is included.
+ * @len: Length of the buffer (including l2 header only if l2_hdr == 1)
+ * Returns: >=0 on success, <0 on failure
+ */
+int l2_packet_send(struct l2_packet_data *l2, const u8 *dst_addr, u16 proto,
+		   const u8 *buf, size_t len);
+
+/**
+ * l2_packet_get_ip_addr - Get the current IP address from the interface
+ * @l2: Pointer to internal l2_packet data from l2_packet_init()
+ * @buf: Buffer for the IP address in text format
+ * @len: Maximum buffer length
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function can be used to get the current IP address from the interface
+ * bound to the l2_packet. This is mainly for status information and the IP
+ * address will be stored as an ASCII string. This function is not essential
+ * for %wpa_supplicant operation, so full implementation is not required.
+ * l2_packet implementation will need to define the function, but it can return
+ * -1 if the IP address information is not available.
+ */
+int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len);
+
+
+/**
+ * l2_packet_notify_auth_start - Notify l2_packet about start of authentication
+ * @l2: Pointer to internal l2_packet data from l2_packet_init()
+ *
+ * This function is called when authentication is expected to start, e.g., when
+ * association has been completed, in order to prepare l2_packet implementation
+ * for EAPOL frames. This function is used mainly if the l2_packet code needs
+ * to do polling in which case it can increasing polling frequency. This can
+ * also be an empty function if the l2_packet implementation does not benefit
+ * from knowing about the starting authentication.
+ */
+void l2_packet_notify_auth_start(struct l2_packet_data *l2);
+
+#endif /* L2_PACKET_H */
diff --git a/src/l2_packet/l2_packet_freebsd.c b/src/l2_packet/l2_packet_freebsd.c
new file mode 100644
index 0000000..e24277c
--- /dev/null
+++ b/src/l2_packet/l2_packet_freebsd.c
@@ -0,0 +1,316 @@
+/*
+ * WPA Supplicant - Layer2 packet handling with FreeBSD
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2005, Sam Leffler <sam@errno.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#if defined(__APPLE__) || defined(__GLIBC__)
+#include <net/bpf.h>
+#endif /* __APPLE__ */
+#include <pcap.h>
+
+#include <sys/ioctl.h>
+#ifdef __sun__
+#include <libdlpi.h>
+#else /* __sun__ */
+#include <sys/sysctl.h>
+#endif /* __sun__ */
+
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/route.h>
+#include <netinet/in.h>
+
+#include "common.h"
+#include "eloop.h"
+#include "l2_packet.h"
+
+
+static const u8 pae_group_addr[ETH_ALEN] =
+{ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 };
+
+struct l2_packet_data {
+	pcap_t *pcap;
+	char ifname[100];
+	u8 own_addr[ETH_ALEN];
+	void (*rx_callback)(void *ctx, const u8 *src_addr,
+			    const u8 *buf, size_t len);
+	void *rx_callback_ctx;
+	int l2_hdr; /* whether to include layer 2 (Ethernet) header data
+		     * buffers */
+};
+
+
+int l2_packet_get_own_addr(struct l2_packet_data *l2, u8 *addr)
+{
+	os_memcpy(addr, l2->own_addr, ETH_ALEN);
+	return 0;
+}
+
+
+int l2_packet_send(struct l2_packet_data *l2, const u8 *dst_addr, u16 proto,
+		   const u8 *buf, size_t len)
+{
+	if (!l2->l2_hdr) {
+		int ret;
+		struct l2_ethhdr *eth = os_malloc(sizeof(*eth) + len);
+		if (eth == NULL)
+			return -1;
+		os_memcpy(eth->h_dest, dst_addr, ETH_ALEN);
+		os_memcpy(eth->h_source, l2->own_addr, ETH_ALEN);
+		eth->h_proto = htons(proto);
+		os_memcpy(eth + 1, buf, len);
+		ret = pcap_inject(l2->pcap, (u8 *) eth, len + sizeof(*eth));
+		os_free(eth);
+		return ret;
+	} else
+		return pcap_inject(l2->pcap, buf, len);
+}
+
+
+static void l2_packet_receive(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	struct l2_packet_data *l2 = eloop_ctx;
+	pcap_t *pcap = sock_ctx;
+	struct pcap_pkthdr hdr;
+	const u_char *packet;
+	struct l2_ethhdr *ethhdr;
+	unsigned char *buf;
+	size_t len;
+
+	packet = pcap_next(pcap, &hdr);
+
+	if (packet == NULL || hdr.caplen < sizeof(*ethhdr))
+		return;
+
+	ethhdr = (struct l2_ethhdr *) packet;
+	if (l2->l2_hdr) {
+		buf = (unsigned char *) ethhdr;
+		len = hdr.caplen;
+	} else {
+		buf = (unsigned char *) (ethhdr + 1);
+		len = hdr.caplen - sizeof(*ethhdr);
+	}
+	l2->rx_callback(l2->rx_callback_ctx, ethhdr->h_source, buf, len);
+}
+
+
+static int l2_packet_init_libpcap(struct l2_packet_data *l2,
+				  unsigned short protocol)
+{
+	bpf_u_int32 pcap_maskp, pcap_netp;
+	char pcap_filter[200], pcap_err[PCAP_ERRBUF_SIZE];
+	struct bpf_program pcap_fp;
+
+	pcap_lookupnet(l2->ifname, &pcap_netp, &pcap_maskp, pcap_err);
+	l2->pcap = pcap_open_live(l2->ifname, 2500, 0, 10, pcap_err);
+	if (l2->pcap == NULL) {
+		fprintf(stderr, "pcap_open_live: %s\n", pcap_err);
+		fprintf(stderr, "ifname='%s'\n", l2->ifname);
+		return -1;
+	}
+	if (pcap_datalink(l2->pcap) != DLT_EN10MB &&
+	    pcap_set_datalink(l2->pcap, DLT_EN10MB) < 0) {
+		fprintf(stderr, "pcap_set_datalink(DLT_EN10MB): %s\n",
+			pcap_geterr(l2->pcap));
+		return -1;
+	}
+	os_snprintf(pcap_filter, sizeof(pcap_filter),
+		    "not ether src " MACSTR " and "
+		    "( ether dst " MACSTR " or ether dst " MACSTR " ) and "
+		    "ether proto 0x%x",
+		    MAC2STR(l2->own_addr), /* do not receive own packets */
+		    MAC2STR(l2->own_addr), MAC2STR(pae_group_addr),
+		    protocol);
+	if (pcap_compile(l2->pcap, &pcap_fp, pcap_filter, 1, pcap_netp) < 0) {
+		fprintf(stderr, "pcap_compile: %s\n", pcap_geterr(l2->pcap));
+		return -1;
+	}
+
+	if (pcap_setfilter(l2->pcap, &pcap_fp) < 0) {
+		fprintf(stderr, "pcap_setfilter: %s\n", pcap_geterr(l2->pcap));
+		return -1;
+	}
+
+	pcap_freecode(&pcap_fp);
+#ifndef __sun__
+	/*
+	 * When libpcap uses BPF we must enable "immediate mode" to
+	 * receive frames right away; otherwise the system may
+	 * buffer them for us.
+	 */
+	{
+		unsigned int on = 1;
+		if (ioctl(pcap_fileno(l2->pcap), BIOCIMMEDIATE, &on) < 0) {
+			fprintf(stderr, "%s: cannot enable immediate mode on "
+				"interface %s: %s\n",
+				__func__, l2->ifname, strerror(errno));
+			/* XXX should we fail? */
+		}
+	}
+#endif /* __sun__ */
+
+	eloop_register_read_sock(pcap_get_selectable_fd(l2->pcap),
+				 l2_packet_receive, l2, l2->pcap);
+
+	return 0;
+}
+
+
+static int eth_get(const char *device, u8 ea[ETH_ALEN])
+{
+#ifdef __sun__
+	dlpi_handle_t dh;
+	u32 physaddrlen = DLPI_PHYSADDR_MAX;
+	u8 physaddr[DLPI_PHYSADDR_MAX];
+	int retval;
+
+	retval = dlpi_open(device, &dh, 0);
+	if (retval != DLPI_SUCCESS) {
+		wpa_printf(MSG_ERROR, "dlpi_open error: %s",
+			   dlpi_strerror(retval));
+		return -1;
+	}
+
+	retval = dlpi_get_physaddr(dh, DL_CURR_PHYS_ADDR, physaddr,
+				   &physaddrlen);
+	if (retval != DLPI_SUCCESS) {
+		wpa_printf(MSG_ERROR, "dlpi_get_physaddr error: %s",
+			   dlpi_strerror(retval));
+		dlpi_close(dh);
+		return -1;
+	}
+	os_memcpy(ea, physaddr, ETH_ALEN);
+	dlpi_close(dh);
+#else /* __sun__ */
+	struct if_msghdr *ifm;
+	struct sockaddr_dl *sdl;
+	u_char *p, *buf;
+	size_t len;
+	int mib[] = { CTL_NET, AF_ROUTE, 0, AF_LINK, NET_RT_IFLIST, 0 };
+
+	if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0)
+		return -1;
+	if ((buf = os_malloc(len)) == NULL)
+		return -1;
+	if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) {
+		os_free(buf);
+		return -1;
+	}
+	for (p = buf; p < buf + len; p += ifm->ifm_msglen) {
+		ifm = (struct if_msghdr *)p;
+		sdl = (struct sockaddr_dl *)(ifm + 1);
+		if (ifm->ifm_type != RTM_IFINFO ||
+		    (ifm->ifm_addrs & RTA_IFP) == 0)
+			continue;
+		if (sdl->sdl_family != AF_LINK || sdl->sdl_nlen == 0 ||
+		    os_memcmp(sdl->sdl_data, device, sdl->sdl_nlen) != 0)
+			continue;
+		os_memcpy(ea, LLADDR(sdl), sdl->sdl_alen);
+		break;
+	}
+	os_free(buf);
+
+	if (p >= buf + len) {
+		errno = ESRCH;
+		return -1;
+	}
+#endif /* __sun__ */
+	return 0;
+}
+
+
+struct l2_packet_data * l2_packet_init(
+	const char *ifname, const u8 *own_addr, unsigned short protocol,
+	void (*rx_callback)(void *ctx, const u8 *src_addr,
+			    const u8 *buf, size_t len),
+	void *rx_callback_ctx, int l2_hdr)
+{
+	struct l2_packet_data *l2;
+
+	l2 = os_zalloc(sizeof(struct l2_packet_data));
+	if (l2 == NULL)
+		return NULL;
+	os_strlcpy(l2->ifname, ifname, sizeof(l2->ifname));
+	l2->rx_callback = rx_callback;
+	l2->rx_callback_ctx = rx_callback_ctx;
+	l2->l2_hdr = l2_hdr;
+
+	if (eth_get(l2->ifname, l2->own_addr) < 0) {
+		fprintf(stderr, "Failed to get link-level address for "
+			"interface '%s'.\n", l2->ifname);
+		os_free(l2);
+		return NULL;
+	}
+
+	if (l2_packet_init_libpcap(l2, protocol)) {
+		os_free(l2);
+		return NULL;
+	}
+
+	return l2;
+}
+
+
+void l2_packet_deinit(struct l2_packet_data *l2)
+{
+	if (l2 != NULL) {
+		if (l2->pcap) {
+			eloop_unregister_read_sock(
+				pcap_get_selectable_fd(l2->pcap));
+			pcap_close(l2->pcap);
+		}
+		os_free(l2);
+	}
+}
+
+
+int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len)
+{
+	pcap_if_t *devs, *dev;
+	struct pcap_addr *addr;
+	struct sockaddr_in *saddr;
+	int found = 0;
+	char err[PCAP_ERRBUF_SIZE + 1];
+
+	if (pcap_findalldevs(&devs, err) < 0) {
+		wpa_printf(MSG_DEBUG, "pcap_findalldevs: %s\n", err);
+		return -1;
+	}
+
+	for (dev = devs; dev && !found; dev = dev->next) {
+		if (os_strcmp(dev->name, l2->ifname) != 0)
+			continue;
+
+		addr = dev->addresses;
+		while (addr) {
+			saddr = (struct sockaddr_in *) addr->addr;
+			if (saddr && saddr->sin_family == AF_INET) {
+				os_strlcpy(buf, inet_ntoa(saddr->sin_addr),
+					   len);
+				found = 1;
+				break;
+			}
+			addr = addr->next;
+		}
+	}
+
+	pcap_freealldevs(devs);
+
+	return found ? 0 : -1;
+}
+
+
+void l2_packet_notify_auth_start(struct l2_packet_data *l2)
+{
+}
diff --git a/src/l2_packet/l2_packet_linux.c b/src/l2_packet/l2_packet_linux.c
new file mode 100644
index 0000000..93e15eb
--- /dev/null
+++ b/src/l2_packet/l2_packet_linux.c
@@ -0,0 +1,210 @@
+/*
+ * WPA Supplicant - Layer2 packet handling with Linux packet sockets
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <sys/ioctl.h>
+#include <netpacket/packet.h>
+#include <net/if.h>
+
+#include "common.h"
+#include "eloop.h"
+#include "l2_packet.h"
+
+
+struct l2_packet_data {
+	int fd; /* packet socket for EAPOL frames */
+	char ifname[IFNAMSIZ + 1];
+	int ifindex;
+	u8 own_addr[ETH_ALEN];
+	void (*rx_callback)(void *ctx, const u8 *src_addr,
+			    const u8 *buf, size_t len);
+	void *rx_callback_ctx;
+	int l2_hdr; /* whether to include layer 2 (Ethernet) header data
+		     * buffers */
+};
+
+
+int l2_packet_get_own_addr(struct l2_packet_data *l2, u8 *addr)
+{
+	os_memcpy(addr, l2->own_addr, ETH_ALEN);
+	return 0;
+}
+
+
+int l2_packet_send(struct l2_packet_data *l2, const u8 *dst_addr, u16 proto,
+		   const u8 *buf, size_t len)
+{
+	int ret;
+	if (l2 == NULL)
+		return -1;
+	if (l2->l2_hdr) {
+		ret = send(l2->fd, buf, len, 0);
+		if (ret < 0)
+			wpa_printf(MSG_ERROR, "l2_packet_send - send: %s",
+				   strerror(errno));
+	} else {
+		struct sockaddr_ll ll;
+		os_memset(&ll, 0, sizeof(ll));
+		ll.sll_family = AF_PACKET;
+		ll.sll_ifindex = l2->ifindex;
+		ll.sll_protocol = htons(proto);
+		ll.sll_halen = ETH_ALEN;
+		os_memcpy(ll.sll_addr, dst_addr, ETH_ALEN);
+		ret = sendto(l2->fd, buf, len, 0, (struct sockaddr *) &ll,
+			     sizeof(ll));
+		if (ret < 0) {
+			wpa_printf(MSG_ERROR, "l2_packet_send - sendto: %s",
+				   strerror(errno));
+		}
+	}
+	return ret;
+}
+
+
+static void l2_packet_receive(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	struct l2_packet_data *l2 = eloop_ctx;
+	u8 buf[2300];
+	int res;
+	struct sockaddr_ll ll;
+	socklen_t fromlen;
+
+	os_memset(&ll, 0, sizeof(ll));
+	fromlen = sizeof(ll);
+	res = recvfrom(sock, buf, sizeof(buf), 0, (struct sockaddr *) &ll,
+		       &fromlen);
+	if (res < 0) {
+		wpa_printf(MSG_DEBUG, "l2_packet_receive - recvfrom: %s",
+			   strerror(errno));
+		return;
+	}
+
+	l2->rx_callback(l2->rx_callback_ctx, ll.sll_addr, buf, res);
+}
+
+
+struct l2_packet_data * l2_packet_init(
+	const char *ifname, const u8 *own_addr, unsigned short protocol,
+	void (*rx_callback)(void *ctx, const u8 *src_addr,
+			    const u8 *buf, size_t len),
+	void *rx_callback_ctx, int l2_hdr)
+{
+	struct l2_packet_data *l2;
+	struct ifreq ifr;
+	struct sockaddr_ll ll;
+
+	l2 = os_zalloc(sizeof(struct l2_packet_data));
+	if (l2 == NULL)
+		return NULL;
+	os_strlcpy(l2->ifname, ifname, sizeof(l2->ifname));
+	l2->rx_callback = rx_callback;
+	l2->rx_callback_ctx = rx_callback_ctx;
+	l2->l2_hdr = l2_hdr;
+
+	l2->fd = socket(PF_PACKET, l2_hdr ? SOCK_RAW : SOCK_DGRAM,
+			htons(protocol));
+	if (l2->fd < 0) {
+		wpa_printf(MSG_ERROR, "%s: socket(PF_PACKET): %s",
+			   __func__, strerror(errno));
+		os_free(l2);
+		return NULL;
+	}
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, l2->ifname, sizeof(ifr.ifr_name));
+	if (ioctl(l2->fd, SIOCGIFINDEX, &ifr) < 0) {
+		wpa_printf(MSG_ERROR, "%s: ioctl[SIOCGIFINDEX]: %s",
+			   __func__, strerror(errno));
+		close(l2->fd);
+		os_free(l2);
+		return NULL;
+	}
+	l2->ifindex = ifr.ifr_ifindex;
+
+	os_memset(&ll, 0, sizeof(ll));
+	ll.sll_family = PF_PACKET;
+	ll.sll_ifindex = ifr.ifr_ifindex;
+	ll.sll_protocol = htons(protocol);
+	if (bind(l2->fd, (struct sockaddr *) &ll, sizeof(ll)) < 0) {
+		wpa_printf(MSG_ERROR, "%s: bind[PF_PACKET]: %s",
+			   __func__, strerror(errno));
+		close(l2->fd);
+		os_free(l2);
+		return NULL;
+	}
+
+	if (ioctl(l2->fd, SIOCGIFHWADDR, &ifr) < 0) {
+		wpa_printf(MSG_ERROR, "%s: ioctl[SIOCGIFHWADDR]: %s",
+			   __func__, strerror(errno));
+		close(l2->fd);
+		os_free(l2);
+		return NULL;
+	}
+	os_memcpy(l2->own_addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
+
+	eloop_register_read_sock(l2->fd, l2_packet_receive, l2, NULL);
+
+	return l2;
+}
+
+
+void l2_packet_deinit(struct l2_packet_data *l2)
+{
+	if (l2 == NULL)
+		return;
+
+	if (l2->fd >= 0) {
+		eloop_unregister_read_sock(l2->fd);
+		close(l2->fd);
+	}
+		
+	os_free(l2);
+}
+
+
+int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len)
+{
+	int s;
+	struct ifreq ifr;
+	struct sockaddr_in *saddr;
+	size_t res;
+
+	s = socket(PF_INET, SOCK_DGRAM, 0);
+	if (s < 0) {
+		wpa_printf(MSG_ERROR, "%s: socket: %s",
+			   __func__, strerror(errno));
+		return -1;
+	}
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, l2->ifname, sizeof(ifr.ifr_name));
+	if (ioctl(s, SIOCGIFADDR, &ifr) < 0) {
+		if (errno != EADDRNOTAVAIL)
+			wpa_printf(MSG_ERROR, "%s: ioctl[SIOCGIFADDR]: %s",
+				   __func__, strerror(errno));
+		close(s);
+		return -1;
+	}
+	close(s);
+	saddr = aliasing_hide_typecast(&ifr.ifr_addr, struct sockaddr_in);
+	if (saddr->sin_family != AF_INET)
+		return -1;
+	res = os_strlcpy(buf, inet_ntoa(saddr->sin_addr), len);
+	if (res >= len)
+		return -1;
+	return 0;
+}
+
+
+void l2_packet_notify_auth_start(struct l2_packet_data *l2)
+{
+}
diff --git a/src/l2_packet/l2_packet_ndis.c b/src/l2_packet/l2_packet_ndis.c
new file mode 100644
index 0000000..6ce29aa
--- /dev/null
+++ b/src/l2_packet/l2_packet_ndis.c
@@ -0,0 +1,522 @@
+/*
+ * WPA Supplicant - Layer2 packet handling with Microsoft NDISUIO
+ * Copyright (c) 2003-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This implementation requires Windows specific event loop implementation,
+ * i.e., eloop_win.c. In addition, the NDISUIO connection is shared with
+ * driver_ndis.c, so only that driver interface can be used and
+ * CONFIG_USE_NDISUIO must be defined.
+ *
+ * WinXP version of the code uses overlapped I/O and a single threaded design
+ * with callback functions from I/O code. WinCE version uses a separate RX
+ * thread that blocks on ReadFile() whenever the media status is connected.
+ */
+
+#include "includes.h"
+#include <winsock2.h>
+#include <ntddndis.h>
+
+#ifdef _WIN32_WCE
+#include <winioctl.h>
+#include <nuiouser.h>
+#endif /* _WIN32_WCE */
+
+#include "common.h"
+#include "eloop.h"
+#include "l2_packet.h"
+
+#ifndef _WIN32_WCE
+/* from nuiouser.h */
+#define FSCTL_NDISUIO_BASE      FILE_DEVICE_NETWORK
+#define _NDISUIO_CTL_CODE(_Function, _Method, _Access) \
+	CTL_CODE(FSCTL_NDISUIO_BASE, _Function, _Method, _Access)
+#define IOCTL_NDISUIO_SET_ETHER_TYPE \
+	_NDISUIO_CTL_CODE(0x202, METHOD_BUFFERED, \
+			  FILE_READ_ACCESS | FILE_WRITE_ACCESS)
+#endif /* _WIN32_WCE */
+
+/* From driver_ndis.c to shared the handle to NDISUIO */
+HANDLE driver_ndis_get_ndisuio_handle(void);
+
+/*
+ * NDISUIO supports filtering of only one ethertype at the time, so we must
+ * fake support for two (EAPOL and RSN pre-auth) by switching to pre-auth
+ * whenever wpa_supplicant is trying to pre-authenticate and then switching
+ * back to EAPOL when pre-authentication has been completed.
+ */
+
+struct l2_packet_data;
+
+struct l2_packet_ndisuio_global {
+	int refcount;
+	unsigned short first_proto;
+	struct l2_packet_data *l2[2];
+#ifdef _WIN32_WCE
+	HANDLE rx_thread;
+	HANDLE stop_request;
+	HANDLE ready_for_read;
+	HANDLE rx_processed;
+#endif /* _WIN32_WCE */
+};
+
+static struct l2_packet_ndisuio_global *l2_ndisuio_global = NULL;
+
+struct l2_packet_data {
+	char ifname[100];
+	u8 own_addr[ETH_ALEN];
+	void (*rx_callback)(void *ctx, const u8 *src_addr,
+			    const u8 *buf, size_t len);
+	void *rx_callback_ctx;
+	int l2_hdr; /* whether to include layer 2 (Ethernet) header in calls to
+		     * rx_callback and l2_packet_send() */
+	HANDLE rx_avail;
+#ifndef _WIN32_WCE
+	OVERLAPPED rx_overlapped;
+#endif /* _WIN32_WCE */
+	u8 rx_buf[1514];
+	DWORD rx_written;
+};
+
+
+int l2_packet_get_own_addr(struct l2_packet_data *l2, u8 *addr)
+{
+	os_memcpy(addr, l2->own_addr, ETH_ALEN);
+	return 0;
+}
+
+
+int l2_packet_send(struct l2_packet_data *l2, const u8 *dst_addr, u16 proto,
+		   const u8 *buf, size_t len)
+{
+	BOOL res;
+	DWORD written;
+	struct l2_ethhdr *eth;
+#ifndef _WIN32_WCE
+	OVERLAPPED overlapped;
+#endif /* _WIN32_WCE */
+	OVERLAPPED *o;
+
+	if (l2 == NULL)
+		return -1;
+
+#ifdef _WIN32_WCE
+	o = NULL;
+#else /* _WIN32_WCE */
+	os_memset(&overlapped, 0, sizeof(overlapped));
+	o = &overlapped;
+#endif /* _WIN32_WCE */
+
+	if (l2->l2_hdr) {
+		res = WriteFile(driver_ndis_get_ndisuio_handle(), buf, len,
+				&written, o);
+	} else {
+		size_t mlen = sizeof(*eth) + len;
+		eth = os_malloc(mlen);
+		if (eth == NULL)
+			return -1;
+
+		os_memcpy(eth->h_dest, dst_addr, ETH_ALEN);
+		os_memcpy(eth->h_source, l2->own_addr, ETH_ALEN);
+		eth->h_proto = htons(proto);
+		os_memcpy(eth + 1, buf, len);
+		res = WriteFile(driver_ndis_get_ndisuio_handle(), eth, mlen,
+				&written, o);
+		os_free(eth);
+	}
+
+	if (!res) {
+		DWORD err = GetLastError();
+#ifndef _WIN32_WCE
+		if (err == ERROR_IO_PENDING) {
+			wpa_printf(MSG_DEBUG, "L2(NDISUIO): Wait for pending "
+				   "write to complete");
+			res = GetOverlappedResult(
+				driver_ndis_get_ndisuio_handle(), &overlapped,
+				&written, TRUE);
+			if (!res) {
+				wpa_printf(MSG_DEBUG, "L2(NDISUIO): "
+					   "GetOverlappedResult failed: %d",
+					   (int) GetLastError());
+				return -1;
+			}
+			return 0;
+		}
+#endif /* _WIN32_WCE */
+		wpa_printf(MSG_DEBUG, "L2(NDISUIO): WriteFile failed: %d",
+			   (int) GetLastError());
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static void l2_packet_callback(struct l2_packet_data *l2);
+
+#ifdef _WIN32_WCE
+static void l2_packet_rx_thread_try_read(struct l2_packet_data *l2)
+{
+	HANDLE handles[2];
+
+	wpa_printf(MSG_MSGDUMP, "l2_packet_rx_thread: -> ReadFile");
+	if (!ReadFile(driver_ndis_get_ndisuio_handle(), l2->rx_buf,
+		      sizeof(l2->rx_buf), &l2->rx_written, NULL)) {
+		DWORD err = GetLastError();
+		wpa_printf(MSG_DEBUG, "l2_packet_rx_thread: ReadFile failed: "
+			   "%d", (int) err);
+		/*
+		 * ReadFile on NDISUIO/WinCE returns ERROR_DEVICE_NOT_CONNECTED
+		 * error whenever the connection is not up. Yield the thread to
+		 * avoid triggering a busy loop. Connection event should stop
+		 * us from looping for long, but we need to allow enough CPU
+		 * for the main thread to process the media disconnection.
+		 */
+		Sleep(100);
+		return;
+	}
+
+	wpa_printf(MSG_DEBUG, "l2_packet_rx_thread: Read %d byte packet",
+		   (int) l2->rx_written);
+
+	/*
+	 * Notify the main thread about the availability of a frame and wait
+	 * for the frame to be processed.
+	 */
+	SetEvent(l2->rx_avail);
+	handles[0] = l2_ndisuio_global->stop_request;
+	handles[1] = l2_ndisuio_global->rx_processed;
+	WaitForMultipleObjects(2, handles, FALSE, INFINITE);
+	ResetEvent(l2_ndisuio_global->rx_processed);
+}
+
+
+static DWORD WINAPI l2_packet_rx_thread(LPVOID arg)
+{
+	struct l2_packet_data *l2 = arg;
+	DWORD res;
+	HANDLE handles[2];
+	int run = 1;
+
+	wpa_printf(MSG_DEBUG, "L2(NDISUIO): RX thread started");
+	handles[0] = l2_ndisuio_global->stop_request;
+	handles[1] = l2_ndisuio_global->ready_for_read;
+
+	/*
+	 * Unfortunately, NDISUIO on WinCE does not seem to support waiting
+	 * on the handle. There do not seem to be anything else that we could
+	 * wait for either. If one were to modify NDISUIO to set a named event
+	 * whenever packets are available, this event could be used here to
+	 * avoid having to poll for new packets or we could even move to use a
+	 * single threaded design.
+	 *
+	 * In addition, NDISUIO on WinCE is returning
+	 * ERROR_DEVICE_NOT_CONNECTED whenever ReadFile() is attempted while
+	 * the adapter is not in connected state. For now, we are just using a
+	 * local event to allow ReadFile calls only after having received NDIS
+	 * media connect event. This event could be easily converted to handle
+	 * another event if the protocol driver is replaced with somewhat more
+	 * useful design.
+	 */
+
+	while (l2_ndisuio_global && run) {
+		res = WaitForMultipleObjects(2, handles, FALSE, INFINITE);
+		switch (res) {
+		case WAIT_OBJECT_0:
+			wpa_printf(MSG_DEBUG, "l2_packet_rx_thread: Received "
+				   "request to stop RX thread");
+			run = 0;
+			break;
+		case WAIT_OBJECT_0 + 1:
+			l2_packet_rx_thread_try_read(l2);
+			break;
+		case WAIT_FAILED:
+		default:
+			wpa_printf(MSG_DEBUG, "l2_packet_rx_thread: "
+				   "WaitForMultipleObjects failed: %d",
+				   (int) GetLastError());
+			run = 0;
+			break;
+		}
+	}
+
+	wpa_printf(MSG_DEBUG, "L2(NDISUIO): RX thread stopped");
+
+	return 0;
+}
+#else /* _WIN32_WCE */
+static int l2_ndisuio_start_read(struct l2_packet_data *l2, int recursive)
+{
+	os_memset(&l2->rx_overlapped, 0, sizeof(l2->rx_overlapped));
+	l2->rx_overlapped.hEvent = l2->rx_avail;
+	if (!ReadFile(driver_ndis_get_ndisuio_handle(), l2->rx_buf,
+		      sizeof(l2->rx_buf), &l2->rx_written, &l2->rx_overlapped))
+	{
+		DWORD err = GetLastError();
+		if (err != ERROR_IO_PENDING) {
+			wpa_printf(MSG_DEBUG, "L2(NDISUIO): ReadFile failed: "
+				   "%d", (int) err);
+			return -1;
+		}
+		/*
+		 * Once read is completed, l2_packet_rx_event() will be
+		 * called.
+		 */
+	} else {
+		wpa_printf(MSG_DEBUG, "L2(NDISUIO): ReadFile returned data "
+			   "without wait for completion");
+		if (!recursive)
+			l2_packet_callback(l2);
+	}
+
+	return 0;
+}
+#endif /* _WIN32_WCE */
+
+
+static void l2_packet_callback(struct l2_packet_data *l2)
+{
+	const u8 *rx_buf, *rx_src;
+	size_t rx_len;
+	struct l2_ethhdr *ethhdr = (struct l2_ethhdr *) l2->rx_buf;
+
+	wpa_printf(MSG_DEBUG, "L2(NDISUIO): Read %d bytes",
+		   (int) l2->rx_written);
+
+	if (l2->l2_hdr || l2->rx_written < sizeof(*ethhdr)) {
+		rx_buf = (u8 *) ethhdr;
+		rx_len = l2->rx_written;
+	} else {
+		rx_buf = (u8 *) (ethhdr + 1);
+		rx_len = l2->rx_written - sizeof(*ethhdr);
+	}
+	rx_src = ethhdr->h_source;
+
+	l2->rx_callback(l2->rx_callback_ctx, rx_src, rx_buf, rx_len);
+#ifndef _WIN32_WCE
+	l2_ndisuio_start_read(l2, 1);
+#endif /* _WIN32_WCE */
+}
+
+
+static void l2_packet_rx_event(void *eloop_data, void *user_data)
+{
+	struct l2_packet_data *l2 = eloop_data;
+
+	if (l2_ndisuio_global)
+		l2 = l2_ndisuio_global->l2[l2_ndisuio_global->refcount - 1];
+
+	ResetEvent(l2->rx_avail);
+
+#ifndef _WIN32_WCE
+	if (!GetOverlappedResult(driver_ndis_get_ndisuio_handle(),
+				 &l2->rx_overlapped, &l2->rx_written, FALSE)) {
+		wpa_printf(MSG_DEBUG, "L2(NDISUIO): GetOverlappedResult "
+			   "failed: %d", (int) GetLastError());
+		return;
+	}
+#endif /* _WIN32_WCE */
+
+	l2_packet_callback(l2);
+
+#ifdef _WIN32_WCE
+	SetEvent(l2_ndisuio_global->rx_processed);
+#endif /* _WIN32_WCE */
+}
+
+
+static int l2_ndisuio_set_ether_type(unsigned short protocol)
+{
+	USHORT proto = htons(protocol);
+	DWORD written;
+
+	if (!DeviceIoControl(driver_ndis_get_ndisuio_handle(),
+			     IOCTL_NDISUIO_SET_ETHER_TYPE, &proto,
+			     sizeof(proto), NULL, 0, &written, NULL)) {
+		wpa_printf(MSG_ERROR, "L2(NDISUIO): "
+			   "IOCTL_NDISUIO_SET_ETHER_TYPE failed: %d",
+			   (int) GetLastError());
+		return -1;
+	}
+
+	return 0;
+}
+
+
+struct l2_packet_data * l2_packet_init(
+	const char *ifname, const u8 *own_addr, unsigned short protocol,
+	void (*rx_callback)(void *ctx, const u8 *src_addr,
+			    const u8 *buf, size_t len),
+	void *rx_callback_ctx, int l2_hdr)
+{
+	struct l2_packet_data *l2;
+
+	if (l2_ndisuio_global == NULL) {
+		l2_ndisuio_global = os_zalloc(sizeof(*l2_ndisuio_global));
+		if (l2_ndisuio_global == NULL)
+			return NULL;
+		l2_ndisuio_global->first_proto = protocol;
+	}
+	if (l2_ndisuio_global->refcount >= 2) {
+		wpa_printf(MSG_ERROR, "L2(NDISUIO): Not more than two "
+			   "simultaneous connections allowed");
+		return NULL;
+	}
+	l2_ndisuio_global->refcount++;
+
+	l2 = os_zalloc(sizeof(struct l2_packet_data));
+	if (l2 == NULL)
+		return NULL;
+	l2_ndisuio_global->l2[l2_ndisuio_global->refcount - 1] = l2;
+
+	os_strlcpy(l2->ifname, ifname, sizeof(l2->ifname));
+	l2->rx_callback = rx_callback;
+	l2->rx_callback_ctx = rx_callback_ctx;
+	l2->l2_hdr = l2_hdr;
+
+	if (own_addr)
+		os_memcpy(l2->own_addr, own_addr, ETH_ALEN);
+
+	if (l2_ndisuio_set_ether_type(protocol) < 0) {
+		os_free(l2);
+		return NULL;
+	}
+
+	if (l2_ndisuio_global->refcount > 1) {
+		wpa_printf(MSG_DEBUG, "L2(NDISUIO): Temporarily setting "
+			   "filtering ethertype to %04x", protocol);
+		if (l2_ndisuio_global->l2[0])
+			l2->rx_avail = l2_ndisuio_global->l2[0]->rx_avail;
+		return l2;
+	}
+
+	l2->rx_avail = CreateEvent(NULL, TRUE, FALSE, NULL);
+	if (l2->rx_avail == NULL) {
+		os_free(l2);
+		return NULL;
+	}
+
+	eloop_register_event(l2->rx_avail, sizeof(l2->rx_avail),
+			     l2_packet_rx_event, l2, NULL);
+
+#ifdef _WIN32_WCE
+	l2_ndisuio_global->stop_request = CreateEvent(NULL, TRUE, FALSE, NULL);
+	/*
+	 * This event is being set based on media connect/disconnect
+	 * notifications in driver_ndis.c.
+	 */
+	l2_ndisuio_global->ready_for_read =
+		CreateEvent(NULL, TRUE, FALSE, TEXT("WpaSupplicantConnected"));
+	l2_ndisuio_global->rx_processed = CreateEvent(NULL, TRUE, FALSE, NULL);
+	if (l2_ndisuio_global->stop_request == NULL ||
+	    l2_ndisuio_global->ready_for_read == NULL ||
+	    l2_ndisuio_global->rx_processed == NULL) {
+		if (l2_ndisuio_global->stop_request) {
+			CloseHandle(l2_ndisuio_global->stop_request);
+			l2_ndisuio_global->stop_request = NULL;
+		}
+		if (l2_ndisuio_global->ready_for_read) {
+			CloseHandle(l2_ndisuio_global->ready_for_read);
+			l2_ndisuio_global->ready_for_read = NULL;
+		}
+		if (l2_ndisuio_global->rx_processed) {
+			CloseHandle(l2_ndisuio_global->rx_processed);
+			l2_ndisuio_global->rx_processed = NULL;
+		}
+		eloop_unregister_event(l2->rx_avail, sizeof(l2->rx_avail));
+		os_free(l2);
+		return NULL;
+	}
+
+	l2_ndisuio_global->rx_thread = CreateThread(NULL, 0,
+						    l2_packet_rx_thread, l2, 0,
+						    NULL);
+	if (l2_ndisuio_global->rx_thread == NULL) {
+		wpa_printf(MSG_INFO, "L2(NDISUIO): Failed to create RX "
+			   "thread: %d", (int) GetLastError());
+		eloop_unregister_event(l2->rx_avail, sizeof(l2->rx_avail));
+		CloseHandle(l2_ndisuio_global->stop_request);
+		l2_ndisuio_global->stop_request = NULL;
+		os_free(l2);
+		return NULL;
+	}
+#else /* _WIN32_WCE */
+	l2_ndisuio_start_read(l2, 0);
+#endif /* _WIN32_WCE */
+
+	return l2;
+}
+
+
+void l2_packet_deinit(struct l2_packet_data *l2)
+{
+	if (l2 == NULL)
+		return;
+
+	if (l2_ndisuio_global) {
+		l2_ndisuio_global->refcount--;
+		l2_ndisuio_global->l2[l2_ndisuio_global->refcount] = NULL;
+		if (l2_ndisuio_global->refcount) {
+			wpa_printf(MSG_DEBUG, "L2(NDISUIO): restore filtering "
+				   "ethertype to %04x",
+				   l2_ndisuio_global->first_proto);
+			l2_ndisuio_set_ether_type(
+				l2_ndisuio_global->first_proto);
+			return;
+		}
+
+#ifdef _WIN32_WCE
+		wpa_printf(MSG_DEBUG, "L2(NDISUIO): Waiting for RX thread to "
+			   "stop");
+		SetEvent(l2_ndisuio_global->stop_request);
+		/*
+		 * Cancel pending ReadFile() in the RX thread (if we were still
+		 * connected at this point).
+		 */
+		if (!DeviceIoControl(driver_ndis_get_ndisuio_handle(),
+				     IOCTL_CANCEL_READ, NULL, 0, NULL, 0, NULL,
+				     NULL)) {
+			wpa_printf(MSG_DEBUG, "L2(NDISUIO): IOCTL_CANCEL_READ "
+				   "failed: %d", (int) GetLastError());
+			/* RX thread will exit blocking ReadFile once NDISUIO
+			 * notices that the adapter is disconnected. */
+		}
+		WaitForSingleObject(l2_ndisuio_global->rx_thread, INFINITE);
+		wpa_printf(MSG_DEBUG, "L2(NDISUIO): RX thread exited");
+		CloseHandle(l2_ndisuio_global->rx_thread);
+		CloseHandle(l2_ndisuio_global->stop_request);
+		CloseHandle(l2_ndisuio_global->ready_for_read);
+		CloseHandle(l2_ndisuio_global->rx_processed);
+#endif /* _WIN32_WCE */
+
+		os_free(l2_ndisuio_global);
+		l2_ndisuio_global = NULL;
+	}
+
+#ifndef _WIN32_WCE
+	CancelIo(driver_ndis_get_ndisuio_handle());
+#endif /* _WIN32_WCE */
+
+	eloop_unregister_event(l2->rx_avail, sizeof(l2->rx_avail));
+	CloseHandle(l2->rx_avail);
+	os_free(l2);
+}
+
+
+int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len)
+{
+	return -1;
+}
+
+
+void l2_packet_notify_auth_start(struct l2_packet_data *l2)
+{
+}
diff --git a/src/l2_packet/l2_packet_none.c b/src/l2_packet/l2_packet_none.c
new file mode 100644
index 0000000..5e3f6e9
--- /dev/null
+++ b/src/l2_packet/l2_packet_none.c
@@ -0,0 +1,123 @@
+/*
+ * WPA Supplicant - Layer2 packet handling example with dummy functions
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This file can be used as a starting point for layer2 packet implementation.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eloop.h"
+#include "l2_packet.h"
+
+
+struct l2_packet_data {
+	char ifname[17];
+	u8 own_addr[ETH_ALEN];
+	void (*rx_callback)(void *ctx, const u8 *src_addr,
+			    const u8 *buf, size_t len);
+	void *rx_callback_ctx;
+	int l2_hdr; /* whether to include layer 2 (Ethernet) header data
+		     * buffers */
+	int fd;
+};
+
+
+int l2_packet_get_own_addr(struct l2_packet_data *l2, u8 *addr)
+{
+	os_memcpy(addr, l2->own_addr, ETH_ALEN);
+	return 0;
+}
+
+
+int l2_packet_send(struct l2_packet_data *l2, const u8 *dst_addr, u16 proto,
+		   const u8 *buf, size_t len)
+{
+	if (l2 == NULL)
+		return -1;
+
+	/*
+	 * TODO: Send frame (may need different implementation depending on
+	 * whether l2->l2_hdr is set).
+	 */
+
+	return 0;
+}
+
+
+static void l2_packet_receive(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	struct l2_packet_data *l2 = eloop_ctx;
+	u8 buf[2300];
+	int res;
+
+	/* TODO: receive frame (e.g., recv() using sock */
+	buf[0] = 0;
+	res = 0;
+
+	l2->rx_callback(l2->rx_callback_ctx, NULL /* TODO: src addr */,
+			buf, res);
+}
+
+
+struct l2_packet_data * l2_packet_init(
+	const char *ifname, const u8 *own_addr, unsigned short protocol,
+	void (*rx_callback)(void *ctx, const u8 *src_addr,
+			    const u8 *buf, size_t len),
+	void *rx_callback_ctx, int l2_hdr)
+{
+	struct l2_packet_data *l2;
+
+	l2 = os_zalloc(sizeof(struct l2_packet_data));
+	if (l2 == NULL)
+		return NULL;
+	os_strlcpy(l2->ifname, ifname, sizeof(l2->ifname));
+	l2->rx_callback = rx_callback;
+	l2->rx_callback_ctx = rx_callback_ctx;
+	l2->l2_hdr = l2_hdr;
+
+	/*
+	 * TODO: open connection for receiving frames
+	 */
+	l2->fd = -1;
+	eloop_register_read_sock(l2->fd, l2_packet_receive, l2, NULL);
+
+	return l2;
+}
+
+
+void l2_packet_deinit(struct l2_packet_data *l2)
+{
+	if (l2 == NULL)
+		return;
+
+	if (l2->fd >= 0) {
+		eloop_unregister_read_sock(l2->fd);
+		/* TODO: close connection */
+	}
+		
+	os_free(l2);
+}
+
+
+int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len)
+{
+	/* TODO: get interface IP address */
+	return -1;
+}
+
+
+void l2_packet_notify_auth_start(struct l2_packet_data *l2)
+{
+	/* This function can be left empty */
+}
diff --git a/src/l2_packet/l2_packet_pcap.c b/src/l2_packet/l2_packet_pcap.c
new file mode 100644
index 0000000..8156e29
--- /dev/null
+++ b/src/l2_packet/l2_packet_pcap.c
@@ -0,0 +1,386 @@
+/*
+ * WPA Supplicant - Layer2 packet handling with libpcap/libdnet and WinPcap
+ * Copyright (c) 2003-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#ifndef CONFIG_NATIVE_WINDOWS
+#include <sys/ioctl.h>
+#endif /* CONFIG_NATIVE_WINDOWS */
+#include <pcap.h>
+#ifndef CONFIG_WINPCAP
+#include <dnet.h>
+#endif /* CONFIG_WINPCAP */
+
+#include "common.h"
+#include "eloop.h"
+#include "l2_packet.h"
+
+
+static const u8 pae_group_addr[ETH_ALEN] =
+{ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 };
+
+struct l2_packet_data {
+	pcap_t *pcap;
+#ifdef CONFIG_WINPCAP
+	unsigned int num_fast_poll;
+#else /* CONFIG_WINPCAP */
+	eth_t *eth;
+#endif /* CONFIG_WINPCAP */
+	char ifname[100];
+	u8 own_addr[ETH_ALEN];
+	void (*rx_callback)(void *ctx, const u8 *src_addr,
+			    const u8 *buf, size_t len);
+	void *rx_callback_ctx;
+	int l2_hdr; /* whether to include layer 2 (Ethernet) header in calls
+			* to rx_callback */
+};
+
+
+int l2_packet_get_own_addr(struct l2_packet_data *l2, u8 *addr)
+{
+	os_memcpy(addr, l2->own_addr, ETH_ALEN);
+	return 0;
+}
+
+
+#ifndef CONFIG_WINPCAP
+static int l2_packet_init_libdnet(struct l2_packet_data *l2)
+{
+	eth_addr_t own_addr;
+
+	l2->eth = eth_open(l2->ifname);
+	if (!l2->eth) {
+		printf("Failed to open interface '%s'.\n", l2->ifname);
+		perror("eth_open");
+		return -1;
+	}
+
+	if (eth_get(l2->eth, &own_addr) < 0) {
+		printf("Failed to get own hw address from interface '%s'.\n",
+		       l2->ifname);
+		perror("eth_get");
+		eth_close(l2->eth);
+		l2->eth = NULL;
+		return -1;
+	}
+	os_memcpy(l2->own_addr, own_addr.data, ETH_ALEN);
+
+	return 0;
+}
+#endif /* CONFIG_WINPCAP */
+
+
+int l2_packet_send(struct l2_packet_data *l2, const u8 *dst_addr, u16 proto,
+		   const u8 *buf, size_t len)
+{
+	int ret;
+	struct l2_ethhdr *eth;
+
+	if (l2 == NULL)
+		return -1;
+
+	if (l2->l2_hdr) {
+#ifdef CONFIG_WINPCAP
+		ret = pcap_sendpacket(l2->pcap, buf, len);
+#else /* CONFIG_WINPCAP */
+		ret = eth_send(l2->eth, buf, len);
+#endif /* CONFIG_WINPCAP */
+	} else {
+		size_t mlen = sizeof(*eth) + len;
+		eth = os_malloc(mlen);
+		if (eth == NULL)
+			return -1;
+
+		os_memcpy(eth->h_dest, dst_addr, ETH_ALEN);
+		os_memcpy(eth->h_source, l2->own_addr, ETH_ALEN);
+		eth->h_proto = htons(proto);
+		os_memcpy(eth + 1, buf, len);
+
+#ifdef CONFIG_WINPCAP
+		ret = pcap_sendpacket(l2->pcap, (u8 *) eth, mlen);
+#else /* CONFIG_WINPCAP */
+		ret = eth_send(l2->eth, (u8 *) eth, mlen);
+#endif /* CONFIG_WINPCAP */
+
+		os_free(eth);
+	}
+
+	return ret;
+}
+
+
+#ifndef CONFIG_WINPCAP
+static void l2_packet_receive(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	struct l2_packet_data *l2 = eloop_ctx;
+	pcap_t *pcap = sock_ctx;
+	struct pcap_pkthdr hdr;
+	const u_char *packet;
+	struct l2_ethhdr *ethhdr;
+	unsigned char *buf;
+	size_t len;
+
+	packet = pcap_next(pcap, &hdr);
+
+	if (packet == NULL || hdr.caplen < sizeof(*ethhdr))
+		return;
+
+	ethhdr = (struct l2_ethhdr *) packet;
+	if (l2->l2_hdr) {
+		buf = (unsigned char *) ethhdr;
+		len = hdr.caplen;
+	} else {
+		buf = (unsigned char *) (ethhdr + 1);
+		len = hdr.caplen - sizeof(*ethhdr);
+	}
+	l2->rx_callback(l2->rx_callback_ctx, ethhdr->h_source, buf, len);
+}
+#endif /* CONFIG_WINPCAP */
+
+
+#ifdef CONFIG_WINPCAP
+static void l2_packet_receive_cb(u_char *user, const struct pcap_pkthdr *hdr,
+				 const u_char *pkt_data)
+{
+	struct l2_packet_data *l2 = (struct l2_packet_data *) user;
+	struct l2_ethhdr *ethhdr;
+	unsigned char *buf;
+	size_t len;
+
+	if (pkt_data == NULL || hdr->caplen < sizeof(*ethhdr))
+		return;
+
+	ethhdr = (struct l2_ethhdr *) pkt_data;
+	if (l2->l2_hdr) {
+		buf = (unsigned char *) ethhdr;
+		len = hdr->caplen;
+	} else {
+		buf = (unsigned char *) (ethhdr + 1);
+		len = hdr->caplen - sizeof(*ethhdr);
+	}
+	l2->rx_callback(l2->rx_callback_ctx, ethhdr->h_source, buf, len);
+	/*
+	 * Use shorter poll interval for 3 seconds to reduce latency during key
+	 * handshake.
+	 */
+	l2->num_fast_poll = 3 * 50;
+}
+
+
+static void l2_packet_receive_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct l2_packet_data *l2 = eloop_ctx;
+	pcap_t *pcap = timeout_ctx;
+	int timeout;
+
+	if (l2->num_fast_poll > 0) {
+		timeout = 20000;
+		l2->num_fast_poll--;
+	} else
+		timeout = 100000;
+
+	/* Register new timeout before calling l2_packet_receive() since
+	 * receive handler may free this l2_packet instance (which will
+	 * cancel this timeout). */
+	eloop_register_timeout(0, timeout, l2_packet_receive_timeout,
+			       l2, pcap);
+	pcap_dispatch(pcap, 10, l2_packet_receive_cb, (u_char *) l2);
+}
+#endif /* CONFIG_WINPCAP */
+
+
+static int l2_packet_init_libpcap(struct l2_packet_data *l2,
+				  unsigned short protocol)
+{
+	bpf_u_int32 pcap_maskp, pcap_netp;
+	char pcap_filter[200], pcap_err[PCAP_ERRBUF_SIZE];
+	struct bpf_program pcap_fp;
+
+#ifdef CONFIG_WINPCAP
+	char ifname[128];
+	os_snprintf(ifname, sizeof(ifname), "\\Device\\NPF_%s", l2->ifname);
+	pcap_lookupnet(ifname, &pcap_netp, &pcap_maskp, pcap_err);
+	l2->pcap = pcap_open_live(ifname, 2500, 0, 10, pcap_err);
+	if (l2->pcap == NULL) {
+		fprintf(stderr, "pcap_open_live: %s\n", pcap_err);
+		fprintf(stderr, "ifname='%s'\n", ifname);
+		return -1;
+	}
+	if (pcap_setnonblock(l2->pcap, 1, pcap_err) < 0)
+		fprintf(stderr, "pcap_setnonblock: %s\n",
+			pcap_geterr(l2->pcap));
+#else /* CONFIG_WINPCAP */
+	pcap_lookupnet(l2->ifname, &pcap_netp, &pcap_maskp, pcap_err);
+	l2->pcap = pcap_open_live(l2->ifname, 2500, 0, 10, pcap_err);
+	if (l2->pcap == NULL) {
+		fprintf(stderr, "pcap_open_live: %s\n", pcap_err);
+		fprintf(stderr, "ifname='%s'\n", l2->ifname);
+		return -1;
+	}
+	if (pcap_datalink(l2->pcap) != DLT_EN10MB &&
+	    pcap_set_datalink(l2->pcap, DLT_EN10MB) < 0) {
+		fprintf(stderr, "pcap_set_datalink(DLT_EN10MB): %s\n",
+			pcap_geterr(l2->pcap));
+		return -1;
+	}
+#endif /* CONFIG_WINPCAP */
+	os_snprintf(pcap_filter, sizeof(pcap_filter),
+		    "not ether src " MACSTR " and "
+		    "( ether dst " MACSTR " or ether dst " MACSTR " ) and "
+		    "ether proto 0x%x",
+		    MAC2STR(l2->own_addr), /* do not receive own packets */
+		    MAC2STR(l2->own_addr), MAC2STR(pae_group_addr),
+		    protocol);
+	if (pcap_compile(l2->pcap, &pcap_fp, pcap_filter, 1, pcap_netp) < 0) {
+		fprintf(stderr, "pcap_compile: %s\n", pcap_geterr(l2->pcap));
+		return -1;
+	}
+
+	if (pcap_setfilter(l2->pcap, &pcap_fp) < 0) {
+		fprintf(stderr, "pcap_setfilter: %s\n", pcap_geterr(l2->pcap));
+		return -1;
+	}
+
+	pcap_freecode(&pcap_fp);
+#ifdef BIOCIMMEDIATE
+	/*
+	 * When libpcap uses BPF we must enable "immediate mode" to
+	 * receive frames right away; otherwise the system may
+	 * buffer them for us.
+	 */
+	{
+		unsigned int on = 1;
+		if (ioctl(pcap_fileno(l2->pcap), BIOCIMMEDIATE, &on) < 0) {
+			fprintf(stderr, "%s: cannot enable immediate mode on "
+				"interface %s: %s\n",
+				__func__, l2->ifname, strerror(errno));
+			/* XXX should we fail? */
+		}
+	}
+#endif /* BIOCIMMEDIATE */
+
+#ifdef CONFIG_WINPCAP
+	eloop_register_timeout(0, 100000, l2_packet_receive_timeout,
+			       l2, l2->pcap);
+#else /* CONFIG_WINPCAP */
+	eloop_register_read_sock(pcap_get_selectable_fd(l2->pcap),
+				 l2_packet_receive, l2, l2->pcap);
+#endif /* CONFIG_WINPCAP */
+
+	return 0;
+}
+
+
+struct l2_packet_data * l2_packet_init(
+	const char *ifname, const u8 *own_addr, unsigned short protocol,
+	void (*rx_callback)(void *ctx, const u8 *src_addr,
+			    const u8 *buf, size_t len),
+	void *rx_callback_ctx, int l2_hdr)
+{
+	struct l2_packet_data *l2;
+
+	l2 = os_zalloc(sizeof(struct l2_packet_data));
+	if (l2 == NULL)
+		return NULL;
+	os_strlcpy(l2->ifname, ifname, sizeof(l2->ifname));
+	l2->rx_callback = rx_callback;
+	l2->rx_callback_ctx = rx_callback_ctx;
+	l2->l2_hdr = l2_hdr;
+
+#ifdef CONFIG_WINPCAP
+	if (own_addr)
+		os_memcpy(l2->own_addr, own_addr, ETH_ALEN);
+#else /* CONFIG_WINPCAP */
+	if (l2_packet_init_libdnet(l2))
+		return NULL;
+#endif /* CONFIG_WINPCAP */
+
+	if (l2_packet_init_libpcap(l2, protocol)) {
+#ifndef CONFIG_WINPCAP
+		eth_close(l2->eth);
+#endif /* CONFIG_WINPCAP */
+		os_free(l2);
+		return NULL;
+	}
+
+	return l2;
+}
+
+
+void l2_packet_deinit(struct l2_packet_data *l2)
+{
+	if (l2 == NULL)
+		return;
+
+#ifdef CONFIG_WINPCAP
+	eloop_cancel_timeout(l2_packet_receive_timeout, l2, l2->pcap);
+#else /* CONFIG_WINPCAP */
+	if (l2->eth)
+		eth_close(l2->eth);
+	eloop_unregister_read_sock(pcap_get_selectable_fd(l2->pcap));
+#endif /* CONFIG_WINPCAP */
+	if (l2->pcap)
+		pcap_close(l2->pcap);
+	os_free(l2);
+}
+
+
+int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len)
+{
+	pcap_if_t *devs, *dev;
+	struct pcap_addr *addr;
+	struct sockaddr_in *saddr;
+	int found = 0;
+	char err[PCAP_ERRBUF_SIZE + 1];
+
+	if (pcap_findalldevs(&devs, err) < 0) {
+		wpa_printf(MSG_DEBUG, "pcap_findalldevs: %s\n", err);
+		return -1;
+	}
+
+	for (dev = devs; dev && !found; dev = dev->next) {
+		if (os_strcmp(dev->name, l2->ifname) != 0)
+			continue;
+
+		addr = dev->addresses;
+		while (addr) {
+			saddr = (struct sockaddr_in *) addr->addr;
+			if (saddr && saddr->sin_family == AF_INET) {
+				os_strlcpy(buf, inet_ntoa(saddr->sin_addr),
+					   len);
+				found = 1;
+				break;
+			}
+			addr = addr->next;
+		}
+	}
+
+	pcap_freealldevs(devs);
+
+	return found ? 0 : -1;
+}
+
+
+void l2_packet_notify_auth_start(struct l2_packet_data *l2)
+{
+#ifdef CONFIG_WINPCAP
+	/*
+	 * Use shorter poll interval for 3 seconds to reduce latency during key
+	 * handshake.
+	 */
+	l2->num_fast_poll = 3 * 50;
+	eloop_cancel_timeout(l2_packet_receive_timeout, l2, l2->pcap);
+	eloop_register_timeout(0, 10000, l2_packet_receive_timeout,
+			       l2, l2->pcap);
+#endif /* CONFIG_WINPCAP */
+}
diff --git a/src/l2_packet/l2_packet_privsep.c b/src/l2_packet/l2_packet_privsep.c
new file mode 100644
index 0000000..79d2968
--- /dev/null
+++ b/src/l2_packet/l2_packet_privsep.c
@@ -0,0 +1,267 @@
+/*
+ * WPA Supplicant - Layer2 packet handling with privilege separation
+ * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <sys/un.h>
+
+#include "common.h"
+#include "eloop.h"
+#include "l2_packet.h"
+#include "common/privsep_commands.h"
+
+
+struct l2_packet_data {
+	int fd; /* UNIX domain socket for privsep access */
+	void (*rx_callback)(void *ctx, const u8 *src_addr,
+			    const u8 *buf, size_t len);
+	void *rx_callback_ctx;
+	u8 own_addr[ETH_ALEN];
+	char *own_socket_path;
+	struct sockaddr_un priv_addr;
+};
+
+
+static int wpa_priv_cmd(struct l2_packet_data *l2, int cmd,
+			const void *data, size_t data_len)
+{
+	struct msghdr msg;
+	struct iovec io[2];
+
+	io[0].iov_base = &cmd;
+	io[0].iov_len = sizeof(cmd);
+	io[1].iov_base = (u8 *) data;
+	io[1].iov_len = data_len;
+
+	os_memset(&msg, 0, sizeof(msg));
+	msg.msg_iov = io;
+	msg.msg_iovlen = data ? 2 : 1;
+	msg.msg_name = &l2->priv_addr;
+	msg.msg_namelen = sizeof(l2->priv_addr);
+
+	if (sendmsg(l2->fd, &msg, 0) < 0) {
+		perror("L2: sendmsg(cmd)");
+		return -1;
+	}
+
+	return 0;
+}
+
+			     
+int l2_packet_get_own_addr(struct l2_packet_data *l2, u8 *addr)
+{
+	os_memcpy(addr, l2->own_addr, ETH_ALEN);
+	return 0;
+}
+
+
+int l2_packet_send(struct l2_packet_data *l2, const u8 *dst_addr, u16 proto,
+		   const u8 *buf, size_t len)
+{
+	struct msghdr msg;
+	struct iovec io[4];
+	int cmd = PRIVSEP_CMD_L2_SEND;
+
+	io[0].iov_base = &cmd;
+	io[0].iov_len = sizeof(cmd);
+	io[1].iov_base = &dst_addr;
+	io[1].iov_len = ETH_ALEN;
+	io[2].iov_base = &proto;
+	io[2].iov_len = 2;
+	io[3].iov_base = (u8 *) buf;
+	io[3].iov_len = len;
+
+	os_memset(&msg, 0, sizeof(msg));
+	msg.msg_iov = io;
+	msg.msg_iovlen = 4;
+	msg.msg_name = &l2->priv_addr;
+	msg.msg_namelen = sizeof(l2->priv_addr);
+
+	if (sendmsg(l2->fd, &msg, 0) < 0) {
+		perror("L2: sendmsg(packet_send)");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static void l2_packet_receive(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	struct l2_packet_data *l2 = eloop_ctx;
+	u8 buf[2300];
+	int res;
+	struct sockaddr_un from;
+	socklen_t fromlen = sizeof(from);
+
+	os_memset(&from, 0, sizeof(from));
+	res = recvfrom(sock, buf, sizeof(buf), 0, (struct sockaddr *) &from,
+		       &fromlen);
+	if (res < 0) {
+		perror("l2_packet_receive - recvfrom");
+		return;
+	}
+	if (res < ETH_ALEN) {
+		wpa_printf(MSG_DEBUG, "L2: Too show packet received");
+		return;
+	}
+
+	if (from.sun_family != AF_UNIX ||
+	    os_strncmp(from.sun_path, l2->priv_addr.sun_path,
+		       sizeof(from.sun_path)) != 0) {
+		wpa_printf(MSG_DEBUG, "L2: Received message from unexpected "
+			   "source");
+		return;
+	}
+
+	l2->rx_callback(l2->rx_callback_ctx, buf, buf + ETH_ALEN,
+			res - ETH_ALEN);
+}
+
+
+struct l2_packet_data * l2_packet_init(
+	const char *ifname, const u8 *own_addr, unsigned short protocol,
+	void (*rx_callback)(void *ctx, const u8 *src_addr,
+			    const u8 *buf, size_t len),
+	void *rx_callback_ctx, int l2_hdr)
+{
+	struct l2_packet_data *l2;
+	char *own_dir = "/tmp";
+	char *priv_dir = "/var/run/wpa_priv";
+	size_t len;
+	static unsigned int counter = 0;
+	struct sockaddr_un addr;
+	fd_set rfds;
+	struct timeval tv;
+	int res;
+	u8 reply[ETH_ALEN + 1];
+	int reg_cmd[2];
+
+	l2 = os_zalloc(sizeof(struct l2_packet_data));
+	if (l2 == NULL)
+		return NULL;
+	l2->rx_callback = rx_callback;
+	l2->rx_callback_ctx = rx_callback_ctx;
+
+	len = os_strlen(own_dir) + 50;
+	l2->own_socket_path = os_malloc(len);
+	if (l2->own_socket_path == NULL) {
+		os_free(l2);
+		return NULL;
+	}
+	os_snprintf(l2->own_socket_path, len, "%s/wpa_privsep-l2-%d-%d",
+		    own_dir, getpid(), counter++);
+
+	l2->priv_addr.sun_family = AF_UNIX;
+	os_snprintf(l2->priv_addr.sun_path, sizeof(l2->priv_addr.sun_path),
+		    "%s/%s", priv_dir, ifname);
+
+	l2->fd = socket(PF_UNIX, SOCK_DGRAM, 0);
+	if (l2->fd < 0) {
+		perror("socket(PF_UNIX)");
+		os_free(l2->own_socket_path);
+		l2->own_socket_path = NULL;
+		os_free(l2);
+		return NULL;
+	}
+
+	os_memset(&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+	os_strlcpy(addr.sun_path, l2->own_socket_path, sizeof(addr.sun_path));
+	if (bind(l2->fd, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+		perror("bind(PF_UNIX)");
+		goto fail;
+	}
+
+	reg_cmd[0] = protocol;
+	reg_cmd[1] = l2_hdr;
+	if (wpa_priv_cmd(l2, PRIVSEP_CMD_L2_REGISTER, reg_cmd, sizeof(reg_cmd))
+	    < 0) {
+		wpa_printf(MSG_ERROR, "L2: Failed to register with wpa_priv");
+		goto fail;
+	}
+
+	FD_ZERO(&rfds);
+	FD_SET(l2->fd, &rfds);
+	tv.tv_sec = 5;
+	tv.tv_usec = 0;
+	res = select(l2->fd + 1, &rfds, NULL, NULL, &tv);
+	if (res < 0 && errno != EINTR) {
+		perror("select");
+		goto fail;
+	}
+
+	if (FD_ISSET(l2->fd, &rfds)) {
+		res = recv(l2->fd, reply, sizeof(reply), 0);
+		if (res < 0) {
+			perror("recv");
+			goto fail;
+		}
+	} else {
+		wpa_printf(MSG_DEBUG, "L2: Timeout while waiting for "
+			   "registration reply");
+		goto fail;
+	}
+
+	if (res != ETH_ALEN) {
+		wpa_printf(MSG_DEBUG, "L2: Unexpected registration reply "
+			   "(len=%d)", res);
+	}
+	os_memcpy(l2->own_addr, reply, ETH_ALEN);
+
+	eloop_register_read_sock(l2->fd, l2_packet_receive, l2, NULL);
+
+	return l2;
+
+fail:
+	close(l2->fd);
+	l2->fd = -1;
+	unlink(l2->own_socket_path);
+	os_free(l2->own_socket_path);
+	l2->own_socket_path = NULL;
+	os_free(l2);
+	return NULL;
+}
+
+
+void l2_packet_deinit(struct l2_packet_data *l2)
+{
+	if (l2 == NULL)
+		return;
+
+	if (l2->fd >= 0) {
+		wpa_priv_cmd(l2, PRIVSEP_CMD_L2_UNREGISTER, NULL, 0);
+		eloop_unregister_read_sock(l2->fd);
+		close(l2->fd);
+	}
+
+	if (l2->own_socket_path) {
+		unlink(l2->own_socket_path);
+		os_free(l2->own_socket_path);
+	}
+		
+	os_free(l2);
+}
+
+
+int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len)
+{
+	/* TODO */
+	return -1;
+}
+
+
+void l2_packet_notify_auth_start(struct l2_packet_data *l2)
+{
+	wpa_priv_cmd(l2, PRIVSEP_CMD_L2_NOTIFY_AUTH_START, NULL, 0);
+}
diff --git a/src/l2_packet/l2_packet_winpcap.c b/src/l2_packet/l2_packet_winpcap.c
new file mode 100644
index 0000000..f76b386
--- /dev/null
+++ b/src/l2_packet/l2_packet_winpcap.c
@@ -0,0 +1,341 @@
+/*
+ * WPA Supplicant - Layer2 packet handling with WinPcap RX thread
+ * Copyright (c) 2003-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This l2_packet implementation is explicitly for WinPcap and Windows events.
+ * l2_packet_pcap.c has support for WinPcap, but it requires polling to receive
+ * frames which means relatively long latency for EAPOL RX processing. The
+ * implementation here uses a separate thread to allow WinPcap to be receiving
+ * all the time to reduce latency for EAPOL receiving from about 100 ms to 3 ms
+ * when comparing l2_packet_pcap.c to l2_packet_winpcap.c. Extra sleep of 50 ms
+ * is added in to receive thread whenever no EAPOL frames has been received for
+ * a while. Whenever an EAPOL handshake is expected, this sleep is removed.
+ *
+ * The RX thread receives a frame and signals main thread through Windows event
+ * about the availability of a new frame. Processing the received frame is
+ * synchronized with pair of Windows events so that no extra buffer or queuing
+ * mechanism is needed. This implementation requires Windows specific event
+ * loop implementation, i.e., eloop_win.c.
+ *
+ * WinPcap has pcap_getevent() that could, in theory at least, be used to
+ * implement this kind of waiting with a simpler single-thread design. However,
+ * that event handle is not really signaled immediately when receiving each
+ * frame, so it does not really work for this kind of use.
+ */
+
+#include "includes.h"
+#include <pcap.h>
+
+#include "common.h"
+#include "eloop.h"
+#include "l2_packet.h"
+
+
+static const u8 pae_group_addr[ETH_ALEN] =
+{ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 };
+
+/*
+ * Number of pcap_dispatch() iterations to do without extra wait after each
+ * received EAPOL packet or authentication notification. This is used to reduce
+ * latency for EAPOL receive.
+ */
+static const size_t no_wait_count = 750;
+
+struct l2_packet_data {
+	pcap_t *pcap;
+	unsigned int num_fast_poll;
+	char ifname[100];
+	u8 own_addr[ETH_ALEN];
+	void (*rx_callback)(void *ctx, const u8 *src_addr,
+			    const u8 *buf, size_t len);
+	void *rx_callback_ctx;
+	int l2_hdr; /* whether to include layer 2 (Ethernet) header in calls to
+		     * rx_callback and l2_packet_send() */
+	int running;
+	HANDLE rx_avail, rx_done, rx_thread, rx_thread_done, rx_notify;
+	u8 *rx_buf, *rx_src;
+	size_t rx_len;
+	size_t rx_no_wait;
+};
+
+
+int l2_packet_get_own_addr(struct l2_packet_data *l2, u8 *addr)
+{
+	os_memcpy(addr, l2->own_addr, ETH_ALEN);
+	return 0;
+}
+
+
+int l2_packet_send(struct l2_packet_data *l2, const u8 *dst_addr, u16 proto,
+		   const u8 *buf, size_t len)
+{
+	int ret;
+	struct l2_ethhdr *eth;
+
+	if (l2 == NULL)
+		return -1;
+
+	if (l2->l2_hdr) {
+		ret = pcap_sendpacket(l2->pcap, buf, len);
+	} else {
+		size_t mlen = sizeof(*eth) + len;
+		eth = os_malloc(mlen);
+		if (eth == NULL)
+			return -1;
+
+		os_memcpy(eth->h_dest, dst_addr, ETH_ALEN);
+		os_memcpy(eth->h_source, l2->own_addr, ETH_ALEN);
+		eth->h_proto = htons(proto);
+		os_memcpy(eth + 1, buf, len);
+		ret = pcap_sendpacket(l2->pcap, (u8 *) eth, mlen);
+		os_free(eth);
+	}
+
+	return ret;
+}
+
+
+/* pcap_dispatch() callback for the RX thread */
+static void l2_packet_receive_cb(u_char *user, const struct pcap_pkthdr *hdr,
+				 const u_char *pkt_data)
+{
+	struct l2_packet_data *l2 = (struct l2_packet_data *) user;
+	struct l2_ethhdr *ethhdr;
+
+	if (pkt_data == NULL || hdr->caplen < sizeof(*ethhdr))
+		return;
+
+	ethhdr = (struct l2_ethhdr *) pkt_data;
+	if (l2->l2_hdr) {
+		l2->rx_buf = (u8 *) ethhdr;
+		l2->rx_len = hdr->caplen;
+	} else {
+		l2->rx_buf = (u8 *) (ethhdr + 1);
+		l2->rx_len = hdr->caplen - sizeof(*ethhdr);
+	}
+	l2->rx_src = ethhdr->h_source;
+	SetEvent(l2->rx_avail);
+	WaitForSingleObject(l2->rx_done, INFINITE);
+	ResetEvent(l2->rx_done);
+	l2->rx_no_wait = no_wait_count;
+}
+
+
+/* main RX loop that is running in a separate thread */
+static DWORD WINAPI l2_packet_receive_thread(LPVOID arg)
+{
+	struct l2_packet_data *l2 = arg;
+
+	while (l2->running) {
+		pcap_dispatch(l2->pcap, 1, l2_packet_receive_cb,
+			      (u_char *) l2);
+		if (l2->rx_no_wait > 0)
+			l2->rx_no_wait--;
+		if (WaitForSingleObject(l2->rx_notify,
+					l2->rx_no_wait ? 0 : 50) ==
+		    WAIT_OBJECT_0) {
+			l2->rx_no_wait = no_wait_count;
+			ResetEvent(l2->rx_notify);
+		}
+	}
+	SetEvent(l2->rx_thread_done);
+	ExitThread(0);
+	return 0;
+}
+
+
+/* main thread RX event handler */
+static void l2_packet_rx_event(void *eloop_data, void *user_data)
+{
+	struct l2_packet_data *l2 = eloop_data;
+	l2->rx_callback(l2->rx_callback_ctx, l2->rx_src, l2->rx_buf,
+			l2->rx_len);
+	ResetEvent(l2->rx_avail);
+	SetEvent(l2->rx_done);
+}
+
+
+static int l2_packet_init_libpcap(struct l2_packet_data *l2,
+				  unsigned short protocol)
+{
+	bpf_u_int32 pcap_maskp, pcap_netp;
+	char pcap_filter[200], pcap_err[PCAP_ERRBUF_SIZE];
+	struct bpf_program pcap_fp;
+
+	pcap_lookupnet(l2->ifname, &pcap_netp, &pcap_maskp, pcap_err);
+	l2->pcap = pcap_open_live(l2->ifname, 2500, 0, 1, pcap_err);
+	if (l2->pcap == NULL) {
+		fprintf(stderr, "pcap_open_live: %s\n", pcap_err);
+		fprintf(stderr, "ifname='%s'\n", l2->ifname);
+		return -1;
+	}
+	os_snprintf(pcap_filter, sizeof(pcap_filter),
+		    "not ether src " MACSTR " and "
+		    "( ether dst " MACSTR " or ether dst " MACSTR " ) and "
+		    "ether proto 0x%x",
+		    MAC2STR(l2->own_addr), /* do not receive own packets */
+		    MAC2STR(l2->own_addr), MAC2STR(pae_group_addr),
+		    protocol);
+	if (pcap_compile(l2->pcap, &pcap_fp, pcap_filter, 1, pcap_netp) < 0) {
+		fprintf(stderr, "pcap_compile: %s\n", pcap_geterr(l2->pcap));
+		return -1;
+	}
+
+	if (pcap_setfilter(l2->pcap, &pcap_fp) < 0) {
+		fprintf(stderr, "pcap_setfilter: %s\n", pcap_geterr(l2->pcap));
+		return -1;
+	}
+
+	pcap_freecode(&pcap_fp);
+
+	return 0;
+}
+
+
+struct l2_packet_data * l2_packet_init(
+	const char *ifname, const u8 *own_addr, unsigned short protocol,
+	void (*rx_callback)(void *ctx, const u8 *src_addr,
+			    const u8 *buf, size_t len),
+	void *rx_callback_ctx, int l2_hdr)
+{
+	struct l2_packet_data *l2;
+	DWORD thread_id;
+
+	l2 = os_zalloc(sizeof(struct l2_packet_data));
+	if (l2 == NULL)
+		return NULL;
+	if (os_strncmp(ifname, "\\Device\\NPF_", 12) == 0)
+		os_strlcpy(l2->ifname, ifname, sizeof(l2->ifname));
+	else
+		os_snprintf(l2->ifname, sizeof(l2->ifname), "\\Device\\NPF_%s",
+			    ifname);
+	l2->rx_callback = rx_callback;
+	l2->rx_callback_ctx = rx_callback_ctx;
+	l2->l2_hdr = l2_hdr;
+
+	if (own_addr)
+		os_memcpy(l2->own_addr, own_addr, ETH_ALEN);
+
+	if (l2_packet_init_libpcap(l2, protocol)) {
+		os_free(l2);
+		return NULL;
+	}
+
+	l2->rx_avail = CreateEvent(NULL, TRUE, FALSE, NULL);
+	l2->rx_done = CreateEvent(NULL, TRUE, FALSE, NULL);
+	l2->rx_notify = CreateEvent(NULL, TRUE, FALSE, NULL);
+	if (l2->rx_avail == NULL || l2->rx_done == NULL ||
+	    l2->rx_notify == NULL) {
+		CloseHandle(l2->rx_avail);
+		CloseHandle(l2->rx_done);
+		CloseHandle(l2->rx_notify);
+		pcap_close(l2->pcap);
+		os_free(l2);
+		return NULL;
+	}
+
+	eloop_register_event(l2->rx_avail, sizeof(l2->rx_avail),
+			     l2_packet_rx_event, l2, NULL);
+
+	l2->running = 1;
+	l2->rx_thread = CreateThread(NULL, 0, l2_packet_receive_thread, l2, 0,
+				     &thread_id);
+
+	return l2;
+}
+
+
+static void l2_packet_deinit_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct l2_packet_data *l2 = eloop_ctx;
+
+	if (l2->rx_thread_done &&
+	    WaitForSingleObject(l2->rx_thread_done, 2000) != WAIT_OBJECT_0) {
+		wpa_printf(MSG_DEBUG, "l2_packet_winpcap: RX thread did not "
+			   "exit - kill it\n");
+		TerminateThread(l2->rx_thread, 0);
+	}
+	CloseHandle(l2->rx_thread_done);
+	CloseHandle(l2->rx_thread);
+	if (l2->pcap)
+		pcap_close(l2->pcap);
+	eloop_unregister_event(l2->rx_avail, sizeof(l2->rx_avail));
+	CloseHandle(l2->rx_avail);
+	CloseHandle(l2->rx_done);
+	CloseHandle(l2->rx_notify);
+	os_free(l2);
+}
+
+
+void l2_packet_deinit(struct l2_packet_data *l2)
+{
+	if (l2 == NULL)
+		return;
+
+	l2->rx_thread_done = CreateEvent(NULL, TRUE, FALSE, NULL);
+
+	l2->running = 0;
+	pcap_breakloop(l2->pcap);
+
+	/*
+	 * RX thread may be waiting in l2_packet_receive_cb() for l2->rx_done
+	 * event and this event is set in l2_packet_rx_event(). However,
+	 * l2_packet_deinit() may end up being called from l2->rx_callback(),
+	 * so we need to return from here and complete deinitialization in
+	 * a registered timeout to avoid having to forcefully kill the RX
+	 * thread.
+	 */
+	eloop_register_timeout(0, 0, l2_packet_deinit_timeout, l2, NULL);
+}
+
+
+int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len)
+{
+	pcap_if_t *devs, *dev;
+	struct pcap_addr *addr;
+	struct sockaddr_in *saddr;
+	int found = 0;
+	char err[PCAP_ERRBUF_SIZE + 1];
+
+	if (pcap_findalldevs(&devs, err) < 0) {
+		wpa_printf(MSG_DEBUG, "pcap_findalldevs: %s\n", err);
+		return -1;
+	}
+
+	for (dev = devs; dev && !found; dev = dev->next) {
+		if (os_strcmp(dev->name, l2->ifname) != 0)
+			continue;
+
+		addr = dev->addresses;
+		while (addr) {
+			saddr = (struct sockaddr_in *) addr->addr;
+			if (saddr && saddr->sin_family == AF_INET) {
+				os_strlcpy(buf, inet_ntoa(saddr->sin_addr),
+					   len);
+				found = 1;
+				break;
+			}
+			addr = addr->next;
+		}
+	}
+
+	pcap_freealldevs(devs);
+
+	return found ? 0 : -1;
+}
+
+
+void l2_packet_notify_auth_start(struct l2_packet_data *l2)
+{
+	if (l2)
+		SetEvent(l2->rx_notify);
+}
diff --git a/src/lib.rules b/src/lib.rules
new file mode 100644
index 0000000..b260d25
--- /dev/null
+++ b/src/lib.rules
@@ -0,0 +1,21 @@
+ifndef CC
+CC=gcc
+endif
+
+ifndef CFLAGS
+CFLAGS = -MMD -O2 -Wall -g
+endif
+
+CFLAGS += -I.. -I../utils
+
+
+Q=@
+E=echo
+ifeq ($(V), 1)
+Q=
+E=true
+endif
+
+%.o: %.c
+	$(Q)$(CC) -c -o $@ $(CFLAGS) $<
+	@$(E) "  CC " $<
diff --git a/src/p2p/Makefile b/src/p2p/Makefile
new file mode 100644
index 0000000..cffba62
--- /dev/null
+++ b/src/p2p/Makefile
@@ -0,0 +1,9 @@
+all:
+	@echo Nothing to be made.
+
+clean:
+	for d in $(SUBDIRS); do make -C $$d clean; done
+	rm -f *~ *.o *.d
+
+install:
+	@echo Nothing to be made.
diff --git a/src/p2p/p2p.c b/src/p2p/p2p.c
new file mode 100644
index 0000000..653609e
--- /dev/null
+++ b/src/p2p/p2p.c
@@ -0,0 +1,3490 @@
+/*
+ * Wi-Fi Direct - P2P module
+ * Copyright (c) 2009-2010, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eloop.h"
+#include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
+#include "wps/wps_i.h"
+#include "p2p_i.h"
+#include "p2p.h"
+
+
+static void p2p_state_timeout(void *eloop_ctx, void *timeout_ctx);
+static void p2p_device_free(struct p2p_data *p2p, struct p2p_device *dev);
+static void p2p_process_presence_req(struct p2p_data *p2p, const u8 *da,
+				     const u8 *sa, const u8 *data, size_t len,
+				     int rx_freq);
+static void p2p_process_presence_resp(struct p2p_data *p2p, const u8 *da,
+				      const u8 *sa, const u8 *data,
+				      size_t len);
+static void p2p_ext_listen_timeout(void *eloop_ctx, void *timeout_ctx);
+static void p2p_scan_timeout(void *eloop_ctx, void *timeout_ctx);
+
+
+/*
+ * p2p_scan recovery timeout
+ *
+ * Many drivers are using 30 second timeout on scan results. Allow a bit larger
+ * timeout for this to avoid hitting P2P timeout unnecessarily.
+ */
+#define P2P_SCAN_TIMEOUT 35
+
+/**
+ * P2P_PEER_EXPIRATION_AGE - Number of seconds after which inactive peer
+ * entries will be removed
+ */
+#define P2P_PEER_EXPIRATION_AGE 300
+
+#define P2P_PEER_EXPIRATION_INTERVAL (P2P_PEER_EXPIRATION_AGE / 2)
+
+static void p2p_expire_peers(struct p2p_data *p2p)
+{
+	struct p2p_device *dev, *n;
+	struct os_time now;
+
+	os_get_time(&now);
+	dl_list_for_each_safe(dev, n, &p2p->devices, struct p2p_device, list) {
+		if (dev->last_seen.sec + P2P_PEER_EXPIRATION_AGE >= now.sec)
+			continue;
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Expiring old peer "
+			"entry " MACSTR, MAC2STR(dev->info.p2p_device_addr));
+		dl_list_del(&dev->list);
+		p2p_device_free(p2p, dev);
+	}
+}
+
+
+static void p2p_expiration_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct p2p_data *p2p = eloop_ctx;
+	p2p_expire_peers(p2p);
+	eloop_register_timeout(P2P_PEER_EXPIRATION_INTERVAL, 0,
+			       p2p_expiration_timeout, p2p, NULL);
+}
+
+
+static const char * p2p_state_txt(int state)
+{
+	switch (state) {
+	case P2P_IDLE:
+		return "IDLE";
+	case P2P_SEARCH:
+		return "SEARCH";
+	case P2P_CONNECT:
+		return "CONNECT";
+	case P2P_CONNECT_LISTEN:
+		return "CONNECT_LISTEN";
+	case P2P_GO_NEG:
+		return "GO_NEG";
+	case P2P_LISTEN_ONLY:
+		return "LISTEN_ONLY";
+	case P2P_WAIT_PEER_CONNECT:
+		return "WAIT_PEER_CONNECT";
+	case P2P_WAIT_PEER_IDLE:
+		return "WAIT_PEER_IDLE";
+	case P2P_SD_DURING_FIND:
+		return "SD_DURING_FIND";
+	case P2P_PROVISIONING:
+		return "PROVISIONING";
+	case P2P_PD_DURING_FIND:
+		return "PD_DURING_FIND";
+	case P2P_INVITE:
+		return "INVITE";
+	case P2P_INVITE_LISTEN:
+		return "INVITE_LISTEN";
+	default:
+		return "?";
+	}
+}
+
+
+void p2p_set_state(struct p2p_data *p2p, int new_state)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: State %s -> %s",
+		p2p_state_txt(p2p->state), p2p_state_txt(new_state));
+	p2p->state = new_state;
+}
+
+
+void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec, unsigned int usec)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Set timeout (state=%s): %u.%06u sec",
+		p2p_state_txt(p2p->state), sec, usec);
+	eloop_cancel_timeout(p2p_state_timeout, p2p, NULL);
+	eloop_register_timeout(sec, usec, p2p_state_timeout, p2p, NULL);
+}
+
+
+void p2p_clear_timeout(struct p2p_data *p2p)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Clear timeout (state=%s)",
+		p2p_state_txt(p2p->state));
+	eloop_cancel_timeout(p2p_state_timeout, p2p, NULL);
+}
+
+
+void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer,
+		       int status)
+{
+	struct p2p_go_neg_results res;
+	p2p_clear_timeout(p2p);
+	p2p_set_state(p2p, P2P_IDLE);
+	p2p->go_neg_peer = NULL;
+
+	os_memset(&res, 0, sizeof(res));
+	res.status = status;
+	if (peer) {
+		os_memcpy(res.peer_device_addr, peer->info.p2p_device_addr,
+			  ETH_ALEN);
+		os_memcpy(res.peer_interface_addr, peer->intended_addr,
+			  ETH_ALEN);
+	}
+	p2p->cfg->go_neg_completed(p2p->cfg->cb_ctx, &res);
+}
+
+
+static void p2p_listen_in_find(struct p2p_data *p2p)
+{
+	unsigned int r, tu;
+	int freq;
+	struct wpabuf *ies;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Starting short listen state (state=%s)",
+		p2p_state_txt(p2p->state));
+
+	freq = p2p_channel_to_freq(p2p->cfg->country, p2p->cfg->reg_class,
+				   p2p->cfg->channel);
+	if (freq < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unknown regulatory class/channel");
+		return;
+	}
+
+	os_get_random((u8 *) &r, sizeof(r));
+	tu = (r % ((p2p->max_disc_int - p2p->min_disc_int) + 1) +
+	      p2p->min_disc_int) * 100;
+
+	p2p->pending_listen_freq = freq;
+	p2p->pending_listen_sec = 0;
+	p2p->pending_listen_usec = 1024 * tu;
+
+	ies = p2p_build_probe_resp_ies(p2p);
+	if (ies == NULL)
+		return;
+
+	if (p2p->cfg->start_listen(p2p->cfg->cb_ctx, freq, 1024 * tu / 1000,
+		    ies) < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to start listen mode");
+		p2p->pending_listen_freq = 0;
+	}
+	wpabuf_free(ies);
+}
+
+
+int p2p_listen(struct p2p_data *p2p, unsigned int timeout)
+{
+	int freq;
+	struct wpabuf *ies;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Going to listen(only) state");
+
+	freq = p2p_channel_to_freq(p2p->cfg->country, p2p->cfg->reg_class,
+				   p2p->cfg->channel);
+	if (freq < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unknown regulatory class/channel");
+		return -1;
+	}
+
+	p2p->pending_listen_freq = freq;
+	p2p->pending_listen_sec = timeout / 1000;
+	p2p->pending_listen_usec = (timeout % 1000) * 1000;
+
+	if (p2p->p2p_scan_running) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: p2p_scan running - delay start of listen state");
+		p2p->start_after_scan = P2P_AFTER_SCAN_LISTEN;
+		return 0;
+	}
+
+	ies = p2p_build_probe_resp_ies(p2p);
+	if (ies == NULL)
+		return -1;
+
+	if (p2p->cfg->start_listen(p2p->cfg->cb_ctx, freq, timeout, ies) < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to start listen mode");
+		p2p->pending_listen_freq = 0;
+		wpabuf_free(ies);
+		return -1;
+	}
+	wpabuf_free(ies);
+
+	p2p_set_state(p2p, P2P_LISTEN_ONLY);
+
+	return 0;
+}
+
+
+static void p2p_device_clear_reported(struct p2p_data *p2p)
+{
+	struct p2p_device *dev;
+	dl_list_for_each(dev, &p2p->devices, struct p2p_device, list)
+		dev->flags &= ~P2P_DEV_REPORTED;
+}
+
+
+/**
+ * p2p_get_device - Fetch a peer entry
+ * @p2p: P2P module context from p2p_init()
+ * @addr: P2P Device Address of the peer
+ * Returns: Pointer to the device entry or %NULL if not found
+ */
+struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr)
+{
+	struct p2p_device *dev;
+	dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
+		if (os_memcmp(dev->info.p2p_device_addr, addr, ETH_ALEN) == 0)
+			return dev;
+	}
+	return NULL;
+}
+
+
+/**
+ * p2p_get_device_interface - Fetch a peer entry based on P2P Interface Address
+ * @p2p: P2P module context from p2p_init()
+ * @addr: P2P Interface Address of the peer
+ * Returns: Pointer to the device entry or %NULL if not found
+ */
+struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
+					     const u8 *addr)
+{
+	struct p2p_device *dev;
+	dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
+		if (os_memcmp(dev->interface_addr, addr, ETH_ALEN) == 0)
+			return dev;
+	}
+	return NULL;
+}
+
+
+/**
+ * p2p_create_device - Create a peer entry
+ * @p2p: P2P module context from p2p_init()
+ * @addr: P2P Device Address of the peer
+ * Returns: Pointer to the device entry or %NULL on failure
+ *
+ * If there is already an entry for the peer, it will be returned instead of
+ * creating a new one.
+ */
+static struct p2p_device * p2p_create_device(struct p2p_data *p2p,
+					     const u8 *addr)
+{
+	struct p2p_device *dev, *oldest = NULL;
+	size_t count = 0;
+
+	dev = p2p_get_device(p2p, addr);
+	if (dev)
+		return dev;
+
+	dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
+		count++;
+		if (oldest == NULL ||
+		    os_time_before(&dev->last_seen, &oldest->last_seen))
+			oldest = dev;
+	}
+	if (count + 1 > p2p->cfg->max_peers && oldest) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Remove oldest peer entry to make room for a new "
+			"peer");
+		dl_list_del(&oldest->list);
+		p2p_device_free(p2p, oldest);
+	}
+
+	dev = os_zalloc(sizeof(*dev));
+	if (dev == NULL)
+		return NULL;
+	dl_list_add(&p2p->devices, &dev->list);
+	os_memcpy(dev->info.p2p_device_addr, addr, ETH_ALEN);
+
+	return dev;
+}
+
+
+static void p2p_copy_client_info(struct p2p_device *dev,
+				 struct p2p_client_info *cli)
+{
+	os_memcpy(dev->info.device_name, cli->dev_name, cli->dev_name_len);
+	dev->info.device_name[cli->dev_name_len] = '\0';
+	dev->info.dev_capab = cli->dev_capab;
+	dev->info.config_methods = cli->config_methods;
+	os_memcpy(dev->info.pri_dev_type, cli->pri_dev_type, 8);
+	dev->info.wps_sec_dev_type_list_len = 8 * cli->num_sec_dev_types;
+	os_memcpy(dev->info.wps_sec_dev_type_list, cli->sec_dev_types,
+		  dev->info.wps_sec_dev_type_list_len);
+}
+
+
+static int p2p_add_group_clients(struct p2p_data *p2p, const u8 *go_dev_addr,
+				 const u8 *go_interface_addr, int freq,
+				 const u8 *gi, size_t gi_len)
+{
+	struct p2p_group_info info;
+	size_t c;
+	struct p2p_device *dev;
+
+	if (gi == NULL)
+		return 0;
+
+	if (p2p_group_info_parse(gi, gi_len, &info) < 0)
+		return -1;
+
+	/*
+	 * Clear old data for this group; if the devices are still in the
+	 * group, the information will be restored in the loop following this.
+	 */
+	dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
+		if (os_memcpy(dev->member_in_go_iface, go_interface_addr,
+			      ETH_ALEN) == 0) {
+			os_memset(dev->member_in_go_iface, 0, ETH_ALEN);
+			os_memset(dev->member_in_go_dev, 0, ETH_ALEN);
+		}
+	}
+
+	for (c = 0; c < info.num_clients; c++) {
+		struct p2p_client_info *cli = &info.client[c];
+		dev = p2p_get_device(p2p, cli->p2p_device_addr);
+		if (dev) {
+			/*
+			 * Update information only if we have not received this
+			 * directly from the client.
+			 */
+			if (dev->flags & (P2P_DEV_GROUP_CLIENT_ONLY |
+					  P2P_DEV_PROBE_REQ_ONLY))
+				p2p_copy_client_info(dev, cli);
+			if (dev->flags & P2P_DEV_PROBE_REQ_ONLY) {
+				dev->flags &= ~P2P_DEV_PROBE_REQ_ONLY;
+			}
+		} else {
+			dev = p2p_create_device(p2p, cli->p2p_device_addr);
+			if (dev == NULL)
+				continue;
+			dev->flags |= P2P_DEV_GROUP_CLIENT_ONLY;
+			p2p_copy_client_info(dev, cli);
+			dev->oper_freq = freq;
+			p2p->cfg->dev_found(p2p->cfg->cb_ctx,
+					    dev->info.p2p_device_addr,
+					    &dev->info, 1);
+			dev->flags |= P2P_DEV_REPORTED | P2P_DEV_REPORTED_ONCE;
+		}
+
+		os_memcpy(dev->interface_addr, cli->p2p_interface_addr,
+			  ETH_ALEN);
+		os_get_time(&dev->last_seen);
+		os_memcpy(dev->member_in_go_dev, go_dev_addr, ETH_ALEN);
+		os_memcpy(dev->member_in_go_iface, go_interface_addr,
+			  ETH_ALEN);
+	}
+
+	return 0;
+}
+
+
+static void p2p_copy_wps_info(struct p2p_device *dev, int probe_req,
+			      const struct p2p_message *msg)
+{
+	os_memcpy(dev->info.device_name, msg->device_name,
+		  sizeof(dev->info.device_name));
+
+	if (msg->manufacturer &&
+	    msg->manufacturer_len < sizeof(dev->info.manufacturer)) {
+		os_memset(dev->info.manufacturer, 0,
+			  sizeof(dev->info.manufacturer));
+		os_memcpy(dev->info.manufacturer, msg->manufacturer,
+			  msg->manufacturer_len);
+	}
+
+	if (msg->model_name &&
+	    msg->model_name_len < sizeof(dev->info.model_name)) {
+		os_memset(dev->info.model_name, 0,
+			  sizeof(dev->info.model_name));
+		os_memcpy(dev->info.model_name, msg->model_name,
+			  msg->model_name_len);
+	}
+
+	if (msg->model_number &&
+	    msg->model_number_len < sizeof(dev->info.model_number)) {
+		os_memset(dev->info.model_number, 0,
+			  sizeof(dev->info.model_number));
+		os_memcpy(dev->info.model_number, msg->model_number,
+			  msg->model_number_len);
+	}
+
+	if (msg->serial_number &&
+	    msg->serial_number_len < sizeof(dev->info.serial_number)) {
+		os_memset(dev->info.serial_number, 0,
+			  sizeof(dev->info.serial_number));
+		os_memcpy(dev->info.serial_number, msg->serial_number,
+			  msg->serial_number_len);
+	}
+
+	if (msg->pri_dev_type)
+		os_memcpy(dev->info.pri_dev_type, msg->pri_dev_type,
+			  sizeof(dev->info.pri_dev_type));
+	else if (msg->wps_pri_dev_type)
+		os_memcpy(dev->info.pri_dev_type, msg->wps_pri_dev_type,
+			  sizeof(dev->info.pri_dev_type));
+
+	if (msg->wps_sec_dev_type_list) {
+		os_memcpy(dev->info.wps_sec_dev_type_list,
+			  msg->wps_sec_dev_type_list,
+			  msg->wps_sec_dev_type_list_len);
+		dev->info.wps_sec_dev_type_list_len =
+			msg->wps_sec_dev_type_list_len;
+	}
+
+	if (msg->capability) {
+		dev->info.dev_capab = msg->capability[0];
+		dev->info.group_capab = msg->capability[1];
+	}
+
+	if (msg->ext_listen_timing) {
+		dev->ext_listen_period = WPA_GET_LE16(msg->ext_listen_timing);
+		dev->ext_listen_interval =
+			WPA_GET_LE16(msg->ext_listen_timing + 2);
+	}
+
+	if (!probe_req) {
+		dev->info.config_methods = msg->config_methods ?
+			msg->config_methods : msg->wps_config_methods;
+	}
+}
+
+
+/**
+ * p2p_add_device - Add peer entries based on scan results
+ * @p2p: P2P module context from p2p_init()
+ * @addr: Source address of Beacon or Probe Response frame (may be either
+ *	P2P Device Address or P2P Interface Address)
+ * @level: Signal level (signal strength of the received frame from the peer)
+ * @freq: Frequency on which the Beacon or Probe Response frame was received
+ * @ies: IEs from the Beacon or Probe Response frame
+ * @ies_len: Length of ies buffer in octets
+ * Returns: 0 on success, -1 on failure
+ *
+ * If the scan result is for a GO, the clients in the group will also be added
+ * to the peer table. This function can also be used with some other frames
+ * like Provision Discovery Request that contains P2P Capability and P2P Device
+ * Info attributes.
+ */
+int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, int level,
+		   const u8 *ies, size_t ies_len)
+{
+	struct p2p_device *dev;
+	struct p2p_message msg;
+	const u8 *p2p_dev_addr;
+	int i;
+
+	os_memset(&msg, 0, sizeof(msg));
+	if (p2p_parse_ies(ies, ies_len, &msg)) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to parse P2P IE for a device entry");
+		p2p_parse_free(&msg);
+		return -1;
+	}
+
+	if (msg.p2p_device_addr)
+		p2p_dev_addr = msg.p2p_device_addr;
+	else if (msg.device_id)
+		p2p_dev_addr = msg.device_id;
+	else {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Ignore scan data without P2P Device Info or "
+			"P2P Device Id");
+		p2p_parse_free(&msg);
+		return -1;
+	}
+
+	if (!is_zero_ether_addr(p2p->peer_filter) &&
+	    os_memcmp(p2p_dev_addr, p2p->peer_filter, ETH_ALEN) != 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Do not add peer "
+			"filter for " MACSTR " due to peer filter",
+			MAC2STR(p2p_dev_addr));
+		return 0;
+	}
+
+	dev = p2p_create_device(p2p, p2p_dev_addr);
+	if (dev == NULL) {
+		p2p_parse_free(&msg);
+		return -1;
+	}
+	os_get_time(&dev->last_seen);
+	dev->flags &= ~(P2P_DEV_PROBE_REQ_ONLY | P2P_DEV_GROUP_CLIENT_ONLY);
+
+	if (os_memcmp(addr, p2p_dev_addr, ETH_ALEN) != 0)
+		os_memcpy(dev->interface_addr, addr, ETH_ALEN);
+	if (msg.ssid &&
+	    (msg.ssid[1] != P2P_WILDCARD_SSID_LEN ||
+	     os_memcmp(msg.ssid + 2, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN)
+	     != 0)) {
+		os_memcpy(dev->oper_ssid, msg.ssid + 2, msg.ssid[1]);
+		dev->oper_ssid_len = msg.ssid[1];
+	}
+
+	if (freq >= 2412 && freq <= 2484 && msg.ds_params &&
+	    *msg.ds_params >= 1 && *msg.ds_params <= 14) {
+		int ds_freq;
+		if (*msg.ds_params == 14)
+			ds_freq = 2484;
+		else
+			ds_freq = 2407 + *msg.ds_params * 5;
+		if (freq != ds_freq) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Update Listen frequency based on DS "
+				"Parameter Set IE: %d -> %d MHz",
+				freq, ds_freq);
+			freq = ds_freq;
+		}
+	}
+
+	if (dev->listen_freq && dev->listen_freq != freq) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Update Listen frequency based on scan "
+			"results (" MACSTR " %d -> %d MHz (DS param %d)",
+			MAC2STR(dev->info.p2p_device_addr), dev->listen_freq,
+			freq, msg.ds_params ? *msg.ds_params : -1);
+	}
+	dev->listen_freq = freq;
+	if (msg.group_info)
+		dev->oper_freq = freq;
+	dev->level = level;
+
+	p2p_copy_wps_info(dev, 0, &msg);
+
+	for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
+		wpabuf_free(dev->info.wps_vendor_ext[i]);
+		dev->info.wps_vendor_ext[i] = NULL;
+	}
+
+	for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
+		if (msg.wps_vendor_ext[i] == NULL)
+			break;
+		dev->info.wps_vendor_ext[i] = wpabuf_alloc_copy(
+			msg.wps_vendor_ext[i], msg.wps_vendor_ext_len[i]);
+		if (dev->info.wps_vendor_ext[i] == NULL)
+			break;
+	}
+
+	p2p_add_group_clients(p2p, p2p_dev_addr, addr, freq, msg.group_info,
+			      msg.group_info_len);
+
+	p2p_parse_free(&msg);
+
+	if (p2p_pending_sd_req(p2p, dev))
+		dev->flags |= P2P_DEV_SD_SCHEDULE;
+
+	if (dev->flags & P2P_DEV_REPORTED)
+		return 0;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Peer found with Listen frequency %d MHz", freq);
+	if (dev->flags & P2P_DEV_USER_REJECTED) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Do not report rejected device");
+		return 0;
+	}
+
+	p2p->cfg->dev_found(p2p->cfg->cb_ctx, addr, &dev->info,
+			    !(dev->flags & P2P_DEV_REPORTED_ONCE));
+	dev->flags |= P2P_DEV_REPORTED | P2P_DEV_REPORTED_ONCE;
+
+	return 0;
+}
+
+
+static void p2p_device_free(struct p2p_data *p2p, struct p2p_device *dev)
+{
+	int i;
+
+	if (p2p->go_neg_peer == dev)
+		p2p->go_neg_peer = NULL;
+	if (p2p->invite_peer == dev)
+		p2p->invite_peer = NULL;
+	if (p2p->sd_peer == dev)
+		p2p->sd_peer = NULL;
+	if (p2p->pending_client_disc_go == dev)
+		p2p->pending_client_disc_go = NULL;
+
+	p2p->cfg->dev_lost(p2p->cfg->cb_ctx, dev->info.p2p_device_addr);
+
+	for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
+		wpabuf_free(dev->info.wps_vendor_ext[i]);
+		dev->info.wps_vendor_ext[i] = NULL;
+	}
+
+	os_free(dev);
+}
+
+
+static int p2p_get_next_prog_freq(struct p2p_data *p2p)
+{
+	struct p2p_channels *c;
+	struct p2p_reg_class *cla;
+	size_t cl, ch;
+	int found = 0;
+	u8 reg_class;
+	u8 channel;
+	int freq;
+
+	c = &p2p->cfg->channels;
+	for (cl = 0; cl < c->reg_classes; cl++) {
+		cla = &c->reg_class[cl];
+		if (cla->reg_class != p2p->last_prog_scan_class)
+			continue;
+		for (ch = 0; ch < cla->channels; ch++) {
+			if (cla->channel[ch] == p2p->last_prog_scan_chan) {
+				found = 1;
+				break;
+			}
+		}
+		if (found)
+			break;
+	}
+
+	if (!found) {
+		/* Start from beginning */
+		reg_class = c->reg_class[0].reg_class;
+		channel = c->reg_class[0].channel[0];
+	} else {
+		/* Pick the next channel */
+		ch++;
+		if (ch == cla->channels) {
+			cl++;
+			if (cl == c->reg_classes)
+				cl = 0;
+			ch = 0;
+		}
+		reg_class = c->reg_class[cl].reg_class;
+		channel = c->reg_class[cl].channel[ch];
+	}
+
+	freq = p2p_channel_to_freq(p2p->cfg->country, reg_class, channel);
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Next progressive search "
+		"channel: reg_class %u channel %u -> %d MHz",
+		reg_class, channel, freq);
+	p2p->last_prog_scan_class = reg_class;
+	p2p->last_prog_scan_chan = channel;
+
+	if (freq == 2412 || freq == 2437 || freq == 2462)
+		return 0; /* No need to add social channels */
+	return freq;
+}
+
+
+static void p2p_search(struct p2p_data *p2p)
+{
+	int freq = 0;
+	enum p2p_scan_type type;
+
+	if (p2p->drv_in_listen) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Driver is still "
+			"in Listen state - wait for it to end before "
+			"continuing");
+		return;
+	}
+	p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
+
+	if (p2p->go_neg_peer) {
+		/*
+		 * Only scan the known listen frequency of the peer
+		 * during GO Negotiation start.
+		 */
+		freq = p2p->go_neg_peer->listen_freq;
+		if (freq <= 0)
+			freq = p2p->go_neg_peer->oper_freq;
+		type = P2P_SCAN_SPECIFIC;
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Starting search "
+			"for freq %u (GO Neg)", freq);
+	} else if (p2p->invite_peer) {
+		/*
+		 * Only scan the known listen frequency of the peer
+		 * during Invite start.
+		 */
+		freq = p2p->invite_peer->listen_freq;
+		if (freq <= 0)
+			freq = p2p->invite_peer->oper_freq;
+		type = P2P_SCAN_SPECIFIC;
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Starting search "
+			"for freq %u (Invite)", freq);
+	} else if (p2p->find_type == P2P_FIND_PROGRESSIVE &&
+		   (freq = p2p_get_next_prog_freq(p2p)) > 0) {
+		type = P2P_SCAN_SOCIAL_PLUS_ONE;
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Starting search "
+			"(+ freq %u)", freq);
+	} else {
+		type = P2P_SCAN_SOCIAL;
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Starting search");
+	}
+
+	if (p2p->cfg->p2p_scan(p2p->cfg->cb_ctx, type, freq,
+			       p2p->num_req_dev_types, p2p->req_dev_types) < 0)
+	{
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Scan request failed");
+		p2p_continue_find(p2p);
+	} else {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Running p2p_scan");
+		p2p->p2p_scan_running = 1;
+		eloop_cancel_timeout(p2p_scan_timeout, p2p, NULL);
+		eloop_register_timeout(P2P_SCAN_TIMEOUT, 0, p2p_scan_timeout,
+				       p2p, NULL);
+	}
+}
+
+
+static void p2p_find_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct p2p_data *p2p = eloop_ctx;
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Find timeout -> stop");
+	p2p_stop_find(p2p);
+}
+
+
+static int p2p_run_after_scan(struct p2p_data *p2p)
+{
+	struct p2p_device *dev;
+	enum p2p_after_scan op;
+
+	if (p2p->after_scan_tx) {
+		int ret;
+		/* TODO: schedule p2p_run_after_scan to be called from TX
+		 * status callback(?) */
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Send pending "
+			"Action frame at p2p_scan completion");
+		ret = p2p->cfg->send_action(p2p->cfg->cb_ctx,
+					    p2p->after_scan_tx->freq,
+					    p2p->after_scan_tx->dst,
+					    p2p->after_scan_tx->src,
+					    p2p->after_scan_tx->bssid,
+					    (u8 *) (p2p->after_scan_tx + 1),
+					    p2p->after_scan_tx->len,
+					    p2p->after_scan_tx->wait_time);
+		os_free(p2p->after_scan_tx);
+		p2p->after_scan_tx = NULL;
+		return 1;
+	}
+
+	op = p2p->start_after_scan;
+	p2p->start_after_scan = P2P_AFTER_SCAN_NOTHING;
+	switch (op) {
+	case P2P_AFTER_SCAN_NOTHING:
+		break;
+	case P2P_AFTER_SCAN_LISTEN:
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Start previously "
+			"requested Listen state");
+		p2p_listen(p2p, p2p->pending_listen_sec * 1000 +
+			   p2p->pending_listen_usec / 1000);
+		return 1;
+	case P2P_AFTER_SCAN_CONNECT:
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Start previously "
+			"requested connect with " MACSTR,
+			MAC2STR(p2p->after_scan_peer));
+		dev = p2p_get_device(p2p, p2p->after_scan_peer);
+		if (dev == NULL) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Peer not "
+				"known anymore");
+			break;
+		}
+		p2p_connect_send(p2p, dev);
+		return 1;
+	}
+
+	return 0;
+}
+
+
+static void p2p_scan_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct p2p_data *p2p = eloop_ctx;
+	int running;
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: p2p_scan timeout "
+		"(running=%d)", p2p->p2p_scan_running);
+	running = p2p->p2p_scan_running;
+	/* Make sure we recover from missed scan results callback */
+	p2p->p2p_scan_running = 0;
+
+	if (running)
+		p2p_run_after_scan(p2p);
+}
+
+
+static void p2p_free_req_dev_types(struct p2p_data *p2p)
+{
+	p2p->num_req_dev_types = 0;
+	os_free(p2p->req_dev_types);
+	p2p->req_dev_types = NULL;
+}
+
+
+int p2p_find(struct p2p_data *p2p, unsigned int timeout,
+	     enum p2p_discovery_type type,
+	     unsigned int num_req_dev_types, const u8 *req_dev_types)
+{
+	int res;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Starting find (type=%d)",
+		type);
+	if (p2p->p2p_scan_running) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: p2p_scan is "
+			"already running");
+	}
+
+	p2p_free_req_dev_types(p2p);
+	if (req_dev_types && num_req_dev_types) {
+		p2p->req_dev_types = os_malloc(num_req_dev_types *
+					       WPS_DEV_TYPE_LEN);
+		if (p2p->req_dev_types == NULL)
+			return -1;
+		os_memcpy(p2p->req_dev_types, req_dev_types,
+			  num_req_dev_types * WPS_DEV_TYPE_LEN);
+		p2p->num_req_dev_types = num_req_dev_types;
+	}
+
+	p2p->start_after_scan = P2P_AFTER_SCAN_NOTHING;
+	p2p_clear_timeout(p2p);
+	p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
+	p2p->find_type = type;
+	p2p_device_clear_reported(p2p);
+	p2p_set_state(p2p, P2P_SEARCH);
+	eloop_cancel_timeout(p2p_find_timeout, p2p, NULL);
+	if (timeout)
+		eloop_register_timeout(timeout, 0, p2p_find_timeout,
+				       p2p, NULL);
+	switch (type) {
+	case P2P_FIND_START_WITH_FULL:
+	case P2P_FIND_PROGRESSIVE:
+		res = p2p->cfg->p2p_scan(p2p->cfg->cb_ctx, P2P_SCAN_FULL, 0,
+					 p2p->num_req_dev_types,
+					 p2p->req_dev_types);
+		break;
+	case P2P_FIND_ONLY_SOCIAL:
+		res = p2p->cfg->p2p_scan(p2p->cfg->cb_ctx, P2P_SCAN_SOCIAL, 0,
+					 p2p->num_req_dev_types,
+					 p2p->req_dev_types);
+		break;
+	default:
+		return -1;
+	}
+
+	if (res == 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Running p2p_scan");
+		p2p->p2p_scan_running = 1;
+		eloop_cancel_timeout(p2p_scan_timeout, p2p, NULL);
+		eloop_register_timeout(P2P_SCAN_TIMEOUT, 0, p2p_scan_timeout,
+				       p2p, NULL);
+	} else {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Failed to start "
+			"p2p_scan");
+	}
+
+	return res;
+}
+
+
+void p2p_stop_find_for_freq(struct p2p_data *p2p, int freq)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Stopping find");
+	eloop_cancel_timeout(p2p_find_timeout, p2p, NULL);
+	p2p_clear_timeout(p2p);
+	p2p_set_state(p2p, P2P_IDLE);
+	p2p_free_req_dev_types(p2p);
+	p2p->start_after_scan = P2P_AFTER_SCAN_NOTHING;
+	p2p->go_neg_peer = NULL;
+	p2p->sd_peer = NULL;
+	p2p->invite_peer = NULL;
+	if (freq > 0 && p2p->drv_in_listen == freq && p2p->in_listen) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Skip stop_listen "
+			"since we are on correct channel for response");
+		return;
+	}
+	p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
+}
+
+
+void p2p_stop_find(struct p2p_data *p2p)
+{
+	p2p_stop_find_for_freq(p2p, 0);
+}
+
+
+static int p2p_prepare_channel(struct p2p_data *p2p, unsigned int force_freq)
+{
+	if (force_freq) {
+		u8 op_reg_class, op_channel;
+		if (p2p_freq_to_channel(p2p->cfg->country, force_freq,
+					&op_reg_class, &op_channel) < 0) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Unsupported frequency %u MHz",
+				force_freq);
+			return -1;
+		}
+		if (!p2p_channels_includes(&p2p->cfg->channels, op_reg_class,
+					   op_channel)) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Frequency %u MHz (oper_class %u "
+				"channel %u) not allowed for P2P",
+				force_freq, op_reg_class, op_channel);
+			return -1;
+		}
+		p2p->op_reg_class = op_reg_class;
+		p2p->op_channel = op_channel;
+		p2p->channels.reg_classes = 1;
+		p2p->channels.reg_class[0].channels = 1;
+		p2p->channels.reg_class[0].reg_class = p2p->op_reg_class;
+		p2p->channels.reg_class[0].channel[0] = p2p->op_channel;
+	} else {
+		u8 op_reg_class, op_channel;
+
+		if (!p2p->cfg->cfg_op_channel && p2p->best_freq_overall > 0 &&
+		    p2p_supported_freq(p2p, p2p->best_freq_overall) &&
+		    p2p_freq_to_channel(p2p->cfg->country,
+					p2p->best_freq_overall,
+					&op_reg_class, &op_channel) == 0) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Select best overall channel as "
+				"operating channel preference");
+			p2p->op_reg_class = op_reg_class;
+			p2p->op_channel = op_channel;
+		} else if (!p2p->cfg->cfg_op_channel && p2p->best_freq_5 > 0 &&
+			   p2p_supported_freq(p2p, p2p->best_freq_5) &&
+			   p2p_freq_to_channel(p2p->cfg->country,
+					       p2p->best_freq_5,
+					       &op_reg_class, &op_channel) ==
+			   0) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Select best 5 GHz channel as "
+				"operating channel preference");
+			p2p->op_reg_class = op_reg_class;
+			p2p->op_channel = op_channel;
+		} else if (!p2p->cfg->cfg_op_channel &&
+			   p2p->best_freq_24 > 0 &&
+			   p2p_supported_freq(p2p, p2p->best_freq_24) &&
+			   p2p_freq_to_channel(p2p->cfg->country,
+					       p2p->best_freq_24,
+					       &op_reg_class, &op_channel) ==
+			   0) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Select best 2.4 GHz channel as "
+				"operating channel preference");
+			p2p->op_reg_class = op_reg_class;
+			p2p->op_channel = op_channel;
+		} else {
+			p2p->op_reg_class = p2p->cfg->op_reg_class;
+			p2p->op_channel = p2p->cfg->op_channel;
+		}
+
+		os_memcpy(&p2p->channels, &p2p->cfg->channels,
+			  sizeof(struct p2p_channels));
+	}
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Own preference for operation channel: "
+		"Operating Class %u Channel %u%s",
+		p2p->op_reg_class, p2p->op_channel,
+		force_freq ? " (forced)" : "");
+
+	return 0;
+}
+
+
+int p2p_connect(struct p2p_data *p2p, const u8 *peer_addr,
+		enum p2p_wps_method wps_method,
+		int go_intent, const u8 *own_interface_addr,
+		unsigned int force_freq, int persistent_group)
+{
+	struct p2p_device *dev;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Request to start group negotiation - peer=" MACSTR
+		"  GO Intent=%d  Intended Interface Address=" MACSTR
+		" wps_method=%d persistent_group=%d",
+		MAC2STR(peer_addr), go_intent, MAC2STR(own_interface_addr),
+		wps_method, persistent_group);
+
+	if (p2p_prepare_channel(p2p, force_freq) < 0)
+		return -1;
+
+	dev = p2p_get_device(p2p, peer_addr);
+	if (dev == NULL || (dev->flags & P2P_DEV_PROBE_REQ_ONLY)) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Cannot connect to unknown P2P Device " MACSTR,
+			MAC2STR(peer_addr));
+		return -1;
+	}
+
+	if (dev->flags & P2P_DEV_GROUP_CLIENT_ONLY) {
+		if (!(dev->info.dev_capab &
+		      P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY)) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Cannot connect to P2P Device " MACSTR
+				" that is in a group and is not discoverable",
+				MAC2STR(peer_addr));
+			return -1;
+		}
+		if (dev->oper_freq <= 0) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Cannot connect to P2P Device " MACSTR
+				" with incomplete information",
+				MAC2STR(peer_addr));
+			return -1;
+		}
+
+		/*
+		 * First, try to connect directly. If the peer does not
+		 * acknowledge frames, assume it is sleeping and use device
+		 * discoverability via the GO at that point.
+		 */
+	}
+
+	dev->flags &= ~P2P_DEV_NOT_YET_READY;
+	dev->flags &= ~P2P_DEV_USER_REJECTED;
+	dev->flags &= ~P2P_DEV_WAIT_GO_NEG_RESPONSE;
+	dev->flags &= ~P2P_DEV_WAIT_GO_NEG_CONFIRM;
+	dev->connect_reqs = 0;
+	dev->go_neg_req_sent = 0;
+	dev->go_state = UNKNOWN_GO;
+	if (persistent_group)
+		dev->flags |= P2P_DEV_PREFER_PERSISTENT_GROUP;
+	else
+		dev->flags &= ~P2P_DEV_PREFER_PERSISTENT_GROUP;
+	p2p->go_intent = go_intent;
+	os_memcpy(p2p->intended_addr, own_interface_addr, ETH_ALEN);
+
+	if (p2p->state != P2P_IDLE)
+		p2p_stop_find(p2p);
+
+	if (p2p->after_scan_tx) {
+		/*
+		 * We need to drop the pending frame to avoid issues with the
+		 * new GO Negotiation, e.g., when the pending frame was from a
+		 * previous attempt at starting a GO Negotiation.
+		 */
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Dropped "
+			"previous pending Action frame TX that was waiting "
+			"for p2p_scan completion");
+		os_free(p2p->after_scan_tx);
+		p2p->after_scan_tx = NULL;
+	}
+
+	dev->wps_method = wps_method;
+	dev->status = P2P_SC_SUCCESS;
+
+	if (force_freq)
+		dev->flags |= P2P_DEV_FORCE_FREQ;
+	else
+		dev->flags &= ~P2P_DEV_FORCE_FREQ;
+
+	if (p2p->p2p_scan_running) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: p2p_scan running - delay connect send");
+		p2p->start_after_scan = P2P_AFTER_SCAN_CONNECT;
+		os_memcpy(p2p->after_scan_peer, peer_addr, ETH_ALEN);
+		return 0;
+	}
+	p2p->start_after_scan = P2P_AFTER_SCAN_NOTHING;
+
+	return p2p_connect_send(p2p, dev);
+}
+
+
+int p2p_authorize(struct p2p_data *p2p, const u8 *peer_addr,
+		  enum p2p_wps_method wps_method,
+		  int go_intent, const u8 *own_interface_addr,
+		  unsigned int force_freq, int persistent_group)
+{
+	struct p2p_device *dev;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Request to authorize group negotiation - peer=" MACSTR
+		"  GO Intent=%d  Intended Interface Address=" MACSTR
+		" wps_method=%d  persistent_group=%d",
+		MAC2STR(peer_addr), go_intent, MAC2STR(own_interface_addr),
+		wps_method, persistent_group);
+
+	if (p2p_prepare_channel(p2p, force_freq) < 0)
+		return -1;
+
+	dev = p2p_get_device(p2p, peer_addr);
+	if (dev == NULL) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Cannot authorize unknown P2P Device " MACSTR,
+			MAC2STR(peer_addr));
+		return -1;
+	}
+
+	dev->flags &= ~P2P_DEV_NOT_YET_READY;
+	dev->flags &= ~P2P_DEV_USER_REJECTED;
+	dev->go_neg_req_sent = 0;
+	dev->go_state = UNKNOWN_GO;
+	if (persistent_group)
+		dev->flags |= P2P_DEV_PREFER_PERSISTENT_GROUP;
+	else
+		dev->flags &= ~P2P_DEV_PREFER_PERSISTENT_GROUP;
+	p2p->go_intent = go_intent;
+	os_memcpy(p2p->intended_addr, own_interface_addr, ETH_ALEN);
+
+	dev->wps_method = wps_method;
+	dev->status = P2P_SC_SUCCESS;
+
+	if (force_freq)
+		dev->flags |= P2P_DEV_FORCE_FREQ;
+	else
+		dev->flags &= ~P2P_DEV_FORCE_FREQ;
+
+	return 0;
+}
+
+
+void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
+		      struct p2p_device *dev, struct p2p_message *msg)
+{
+	os_get_time(&dev->last_seen);
+
+	p2p_copy_wps_info(dev, 0, msg);
+
+	if (msg->listen_channel) {
+		int freq;
+		freq = p2p_channel_to_freq((char *) msg->listen_channel,
+					   msg->listen_channel[3],
+					   msg->listen_channel[4]);
+		if (freq < 0) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Unknown peer Listen channel: "
+				"country=%c%c(0x%02x) reg_class=%u channel=%u",
+				msg->listen_channel[0],
+				msg->listen_channel[1],
+				msg->listen_channel[2],
+				msg->listen_channel[3],
+				msg->listen_channel[4]);
+		} else {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Update "
+				"peer " MACSTR " Listen channel: %u -> %u MHz",
+				MAC2STR(dev->info.p2p_device_addr),
+				dev->listen_freq, freq);
+			dev->listen_freq = freq;
+		}
+	}
+
+	if (dev->flags & P2P_DEV_PROBE_REQ_ONLY) {
+		dev->flags &= ~P2P_DEV_PROBE_REQ_ONLY;
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Completed device entry based on data from "
+			"GO Negotiation Request");
+	} else {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Created device entry based on GO Neg Req: "
+			MACSTR " dev_capab=0x%x group_capab=0x%x name='%s' "
+			"listen_freq=%d",
+			MAC2STR(dev->info.p2p_device_addr),
+			dev->info.dev_capab, dev->info.group_capab,
+			dev->info.device_name, dev->listen_freq);
+	}
+
+	dev->flags &= ~P2P_DEV_GROUP_CLIENT_ONLY;
+
+	if (dev->flags & P2P_DEV_USER_REJECTED) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Do not report rejected device");
+		return;
+	}
+
+	p2p->cfg->dev_found(p2p->cfg->cb_ctx, addr, &dev->info,
+			    !(dev->flags & P2P_DEV_REPORTED_ONCE));
+	dev->flags |= P2P_DEV_REPORTED | P2P_DEV_REPORTED_ONCE;
+}
+
+
+void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len)
+{
+	os_memcpy(ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN);
+	p2p_random((char *) &ssid[P2P_WILDCARD_SSID_LEN], 2);
+	os_memcpy(&ssid[P2P_WILDCARD_SSID_LEN + 2],
+		  p2p->cfg->ssid_postfix, p2p->cfg->ssid_postfix_len);
+	*ssid_len = P2P_WILDCARD_SSID_LEN + 2 + p2p->cfg->ssid_postfix_len;
+}
+
+
+int p2p_go_params(struct p2p_data *p2p, struct p2p_go_neg_results *params)
+{
+	p2p_build_ssid(p2p, params->ssid, &params->ssid_len);
+	p2p_random(params->passphrase, 8);
+	return 0;
+}
+
+
+void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer)
+{
+	struct p2p_go_neg_results res;
+	int go = peer->go_state == LOCAL_GO;
+	struct p2p_channels intersection;
+	int freqs;
+	size_t i, j;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: GO Negotiation with " MACSTR " completed (%s will be "
+		"GO)", MAC2STR(peer->info.p2p_device_addr),
+		go ? "local end" : "peer");
+
+	os_memset(&res, 0, sizeof(res));
+	res.role_go = go;
+	os_memcpy(res.peer_device_addr, peer->info.p2p_device_addr, ETH_ALEN);
+	os_memcpy(res.peer_interface_addr, peer->intended_addr, ETH_ALEN);
+	res.wps_method = peer->wps_method;
+	if (peer->flags & P2P_DEV_PREFER_PERSISTENT_GROUP)
+		res.persistent_group = 1;
+
+	if (go) {
+		/* Setup AP mode for WPS provisioning */
+		res.freq = p2p_channel_to_freq(p2p->cfg->country,
+					       p2p->op_reg_class,
+					       p2p->op_channel);
+		os_memcpy(res.ssid, p2p->ssid, p2p->ssid_len);
+		res.ssid_len = p2p->ssid_len;
+		p2p_random(res.passphrase, 8);
+	} else {
+		res.freq = peer->oper_freq;
+		if (p2p->ssid_len) {
+			os_memcpy(res.ssid, p2p->ssid, p2p->ssid_len);
+			res.ssid_len = p2p->ssid_len;
+		}
+	}
+
+	p2p_channels_intersect(&p2p->channels, &peer->channels,
+			       &intersection);
+	freqs = 0;
+	for (i = 0; i < intersection.reg_classes; i++) {
+		struct p2p_reg_class *c = &intersection.reg_class[i];
+		if (freqs + 1 == P2P_MAX_CHANNELS)
+			break;
+		for (j = 0; j < c->channels; j++) {
+			int freq;
+			if (freqs + 1 == P2P_MAX_CHANNELS)
+				break;
+			freq = p2p_channel_to_freq(peer->country, c->reg_class,
+						   c->channel[j]);
+			if (freq < 0)
+				continue;
+			res.freq_list[freqs++] = freq;
+		}
+	}
+
+	res.peer_config_timeout = go ? peer->client_timeout : peer->go_timeout;
+
+	p2p_clear_timeout(p2p);
+	peer->go_neg_req_sent = 0;
+	peer->wps_method = WPS_NOT_READY;
+
+	p2p_set_state(p2p, P2P_PROVISIONING);
+	p2p->cfg->go_neg_completed(p2p->cfg->cb_ctx, &res);
+}
+
+
+static void p2p_rx_p2p_action(struct p2p_data *p2p, const u8 *sa,
+			      const u8 *data, size_t len, int rx_freq)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: RX P2P Public Action from " MACSTR, MAC2STR(sa));
+	wpa_hexdump(MSG_MSGDUMP, "P2P: P2P Public Action contents", data, len);
+
+	if (len < 1)
+		return;
+
+	switch (data[0]) {
+	case P2P_GO_NEG_REQ:
+		p2p_process_go_neg_req(p2p, sa, data + 1, len - 1, rx_freq);
+		break;
+	case P2P_GO_NEG_RESP:
+		p2p_process_go_neg_resp(p2p, sa, data + 1, len - 1, rx_freq);
+		break;
+	case P2P_GO_NEG_CONF:
+		p2p_process_go_neg_conf(p2p, sa, data + 1, len - 1);
+		break;
+	case P2P_INVITATION_REQ:
+		p2p_process_invitation_req(p2p, sa, data + 1, len - 1,
+					   rx_freq);
+		break;
+	case P2P_INVITATION_RESP:
+		p2p_process_invitation_resp(p2p, sa, data + 1, len - 1);
+		break;
+	case P2P_PROV_DISC_REQ:
+		p2p_process_prov_disc_req(p2p, sa, data + 1, len - 1, rx_freq);
+		break;
+	case P2P_PROV_DISC_RESP:
+		p2p_process_prov_disc_resp(p2p, sa, data + 1, len - 1);
+		break;
+	case P2P_DEV_DISC_REQ:
+		p2p_process_dev_disc_req(p2p, sa, data + 1, len - 1, rx_freq);
+		break;
+	case P2P_DEV_DISC_RESP:
+		p2p_process_dev_disc_resp(p2p, sa, data + 1, len - 1);
+		break;
+	default:
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unsupported P2P Public Action frame type %d",
+			data[0]);
+		break;
+	}
+}
+
+
+void p2p_rx_action_public(struct p2p_data *p2p, const u8 *da, const u8 *sa,
+			  const u8 *bssid, const u8 *data, size_t len,
+			  int freq)
+{
+	if (len < 1)
+		return;
+
+	switch (data[0]) {
+	case WLAN_PA_VENDOR_SPECIFIC:
+		data++;
+		len--;
+		if (len < 3)
+			return;
+		if (WPA_GET_BE24(data) != OUI_WFA)
+			return;
+
+		data += 3;
+		len -= 3;
+		if (len < 1)
+			return;
+
+		if (*data != P2P_OUI_TYPE)
+			return;
+
+		p2p_rx_p2p_action(p2p, sa, data + 1, len - 1, freq);
+		break;
+	case WLAN_PA_GAS_INITIAL_REQ:
+		p2p_rx_gas_initial_req(p2p, sa, data + 1, len - 1, freq);
+		break;
+	case WLAN_PA_GAS_INITIAL_RESP:
+		p2p_rx_gas_initial_resp(p2p, sa, data + 1, len - 1, freq);
+		break;
+	case WLAN_PA_GAS_COMEBACK_REQ:
+		p2p_rx_gas_comeback_req(p2p, sa, data + 1, len - 1, freq);
+		break;
+	case WLAN_PA_GAS_COMEBACK_RESP:
+		p2p_rx_gas_comeback_resp(p2p, sa, data + 1, len - 1, freq);
+		break;
+	}
+}
+
+
+void p2p_rx_action(struct p2p_data *p2p, const u8 *da, const u8 *sa,
+		   const u8 *bssid, u8 category,
+		   const u8 *data, size_t len, int freq)
+{
+	if (category == WLAN_ACTION_PUBLIC) {
+		p2p_rx_action_public(p2p, da, sa, bssid, data, len, freq);
+		return;
+	}
+
+	if (category != WLAN_ACTION_VENDOR_SPECIFIC)
+		return;
+
+	if (len < 4)
+		return;
+
+	if (WPA_GET_BE24(data) != OUI_WFA)
+		return;
+	data += 3;
+	len -= 3;
+
+	if (*data != P2P_OUI_TYPE)
+		return;
+	data++;
+	len--;
+
+	/* P2P action frame */
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: RX P2P Action from " MACSTR, MAC2STR(sa));
+	wpa_hexdump(MSG_MSGDUMP, "P2P: P2P Action contents", data, len);
+
+	if (len < 1)
+		return;
+	switch (data[0]) {
+	case P2P_NOA:
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Received P2P Action - Notice of Absence");
+		/* TODO */
+		break;
+	case P2P_PRESENCE_REQ:
+		p2p_process_presence_req(p2p, da, sa, data + 1, len - 1, freq);
+		break;
+	case P2P_PRESENCE_RESP:
+		p2p_process_presence_resp(p2p, da, sa, data + 1, len - 1);
+		break;
+	case P2P_GO_DISC_REQ:
+		p2p_process_go_disc_req(p2p, da, sa, data + 1, len - 1, freq);
+		break;
+	default:
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Received P2P Action - unknown type %u", data[0]);
+		break;
+	}
+}
+
+
+static void p2p_go_neg_start(void *eloop_ctx, void *timeout_ctx)
+{
+	struct p2p_data *p2p = eloop_ctx;
+	if (p2p->go_neg_peer == NULL)
+		return;
+	p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
+	p2p->go_neg_peer->status = P2P_SC_SUCCESS;
+	p2p_connect_send(p2p, p2p->go_neg_peer);
+}
+
+
+static void p2p_invite_start(void *eloop_ctx, void *timeout_ctx)
+{
+	struct p2p_data *p2p = eloop_ctx;
+	if (p2p->invite_peer == NULL)
+		return;
+	p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
+	p2p_invite_send(p2p, p2p->invite_peer, p2p->invite_go_dev_addr);
+}
+
+
+static void p2p_add_dev_from_probe_req(struct p2p_data *p2p, const u8 *addr,
+				       const u8 *ie, size_t ie_len)
+{
+	struct p2p_message msg;
+	struct p2p_device *dev;
+
+	os_memset(&msg, 0, sizeof(msg));
+	if (p2p_parse_ies(ie, ie_len, &msg) < 0 || msg.p2p_attributes == NULL)
+	{
+		p2p_parse_free(&msg);
+		return; /* not a P2P probe */
+	}
+
+	if (msg.ssid == NULL || msg.ssid[1] != P2P_WILDCARD_SSID_LEN ||
+	    os_memcmp(msg.ssid + 2, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN)
+	    != 0) {
+		/* The Probe Request is not part of P2P Device Discovery. It is
+		 * not known whether the source address of the frame is the P2P
+		 * Device Address or P2P Interface Address. Do not add a new
+		 * peer entry based on this frames.
+		 */
+		p2p_parse_free(&msg);
+		return;
+	}
+
+	dev = p2p_get_device(p2p, addr);
+	if (dev) {
+		if (dev->country[0] == 0 && msg.listen_channel)
+			os_memcpy(dev->country, msg.listen_channel, 3);
+		p2p_parse_free(&msg);
+		return; /* already known */
+	}
+
+	dev = p2p_create_device(p2p, addr);
+	if (dev == NULL) {
+		p2p_parse_free(&msg);
+		return;
+	}
+
+	os_get_time(&dev->last_seen);
+	dev->flags |= P2P_DEV_PROBE_REQ_ONLY;
+
+	if (msg.listen_channel) {
+		os_memcpy(dev->country, msg.listen_channel, 3);
+		dev->listen_freq = p2p_channel_to_freq(dev->country,
+						       msg.listen_channel[3],
+						       msg.listen_channel[4]);
+	}
+
+	p2p_copy_wps_info(dev, 1, &msg);
+
+	p2p_parse_free(&msg);
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Created device entry based on Probe Req: " MACSTR
+		" dev_capab=0x%x group_capab=0x%x name='%s' listen_freq=%d",
+		MAC2STR(dev->info.p2p_device_addr), dev->info.dev_capab,
+		dev->info.group_capab, dev->info.device_name,
+		dev->listen_freq);
+}
+
+
+struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
+						const u8 *addr,
+						struct p2p_message *msg)
+{
+	struct p2p_device *dev;
+
+	dev = p2p_get_device(p2p, addr);
+	if (dev) {
+		os_get_time(&dev->last_seen);
+		return dev; /* already known */
+	}
+
+	dev = p2p_create_device(p2p, addr);
+	if (dev == NULL)
+		return NULL;
+
+	p2p_add_dev_info(p2p, addr, dev, msg);
+
+	return dev;
+}
+
+
+static int dev_type_match(const u8 *dev_type, const u8 *req_dev_type)
+{
+	if (os_memcmp(dev_type, req_dev_type, WPS_DEV_TYPE_LEN) == 0)
+		return 1;
+	if (os_memcmp(dev_type, req_dev_type, 2) == 0 &&
+	    WPA_GET_BE32(&req_dev_type[2]) == 0 &&
+	    WPA_GET_BE16(&req_dev_type[6]) == 0)
+		return 1; /* Category match with wildcard OUI/sub-category */
+	return 0;
+}
+
+
+int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],
+			size_t num_req_dev_type)
+{
+	size_t i;
+	for (i = 0; i < num_req_dev_type; i++) {
+		if (dev_type_match(dev_type, req_dev_type[i]))
+			return 1;
+	}
+	return 0;
+}
+
+
+/**
+ * p2p_match_dev_type - Match local device type with requested type
+ * @p2p: P2P module context from p2p_init()
+ * @wps: WPS TLVs from Probe Request frame (concatenated WPS IEs)
+ * Returns: 1 on match, 0 on mismatch
+ *
+ * This function can be used to match the Requested Device Type attribute in
+ * WPS IE with the local device types for deciding whether to reply to a Probe
+ * Request frame.
+ */
+int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps)
+{
+	struct wps_parse_attr attr;
+	size_t i;
+
+	if (wps_parse_msg(wps, &attr))
+		return 1; /* assume no Requested Device Type attributes */
+
+	if (attr.num_req_dev_type == 0)
+		return 1; /* no Requested Device Type attributes -> match */
+
+	if (dev_type_list_match(p2p->cfg->pri_dev_type, attr.req_dev_type,
+				attr.num_req_dev_type))
+		return 1; /* Own Primary Device Type matches */
+
+	for (i = 0; i < p2p->cfg->num_sec_dev_types; i++)
+		if (dev_type_list_match(p2p->cfg->sec_dev_type[i],
+					attr.req_dev_type,
+					attr.num_req_dev_type))
+		return 1; /* Own Secondary Device Type matches */
+
+	/* No matching device type found */
+	return 0;
+}
+
+
+struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p)
+{
+	struct wpabuf *buf;
+	u8 *len;
+
+	buf = wpabuf_alloc(1000);
+	if (buf == NULL)
+		return NULL;
+
+	p2p_build_wps_ie(p2p, buf, DEV_PW_DEFAULT, 1);
+
+	/* P2P IE */
+	len = p2p_buf_add_ie_hdr(buf);
+	p2p_buf_add_capability(buf, p2p->dev_capab, 0);
+	if (p2p->ext_listen_interval)
+		p2p_buf_add_ext_listen_timing(buf, p2p->ext_listen_period,
+					      p2p->ext_listen_interval);
+	p2p_buf_add_device_info(buf, p2p, NULL);
+	p2p_buf_update_ie_hdr(buf, len);
+
+	return buf;
+}
+
+
+static void p2p_reply_probe(struct p2p_data *p2p, const u8 *addr, const u8 *ie,
+			    size_t ie_len)
+{
+	struct ieee802_11_elems elems;
+	struct wpabuf *buf;
+	struct ieee80211_mgmt *resp;
+	struct wpabuf *wps;
+	struct wpabuf *ies;
+
+	if (!p2p->in_listen || !p2p->drv_in_listen) {
+		/* not in Listen state - ignore Probe Request */
+		return;
+	}
+
+	if (ieee802_11_parse_elems((u8 *) ie, ie_len, &elems, 0) ==
+	    ParseFailed) {
+		/* Ignore invalid Probe Request frames */
+		return;
+	}
+
+	if (elems.p2p == NULL) {
+		/* not a P2P probe - ignore it */
+		return;
+	}
+
+	if (elems.ssid == NULL || elems.ssid_len != P2P_WILDCARD_SSID_LEN ||
+	    os_memcmp(elems.ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) !=
+	    0) {
+		/* not using P2P Wildcard SSID - ignore */
+		return;
+	}
+
+	/* Check Requested Device Type match */
+	wps = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA);
+	if (wps && !p2p_match_dev_type(p2p, wps)) {
+		wpabuf_free(wps);
+		/* No match with Requested Device Type */
+		return;
+	}
+	wpabuf_free(wps);
+
+	if (!p2p->cfg->send_probe_resp)
+		return; /* Response generated elsewhere */
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Reply to P2P Probe Request in Listen state");
+
+	/*
+	 * We do not really have a specific BSS that this frame is advertising,
+	 * so build a frame that has some information in valid format. This is
+	 * really only used for discovery purposes, not to learn exact BSS
+	 * parameters.
+	 */
+	ies = p2p_build_probe_resp_ies(p2p);
+	if (ies == NULL)
+		return;
+
+	buf = wpabuf_alloc(200 + wpabuf_len(ies));
+	if (buf == NULL) {
+		wpabuf_free(ies);
+		return;
+	}
+
+	resp = NULL;
+	resp = wpabuf_put(buf, resp->u.probe_resp.variable - (u8 *) resp);
+
+	resp->frame_control = host_to_le16((WLAN_FC_TYPE_MGMT << 2) |
+					   (WLAN_FC_STYPE_PROBE_RESP << 4));
+	os_memcpy(resp->da, addr, ETH_ALEN);
+	os_memcpy(resp->sa, p2p->cfg->dev_addr, ETH_ALEN);
+	os_memcpy(resp->bssid, p2p->cfg->dev_addr, ETH_ALEN);
+	resp->u.probe_resp.beacon_int = host_to_le16(100);
+	/* hardware or low-level driver will setup seq_ctrl and timestamp */
+	resp->u.probe_resp.capab_info =
+		host_to_le16(WLAN_CAPABILITY_SHORT_PREAMBLE |
+			     WLAN_CAPABILITY_PRIVACY |
+			     WLAN_CAPABILITY_SHORT_SLOT_TIME);
+
+	wpabuf_put_u8(buf, WLAN_EID_SSID);
+	wpabuf_put_u8(buf, P2P_WILDCARD_SSID_LEN);
+	wpabuf_put_data(buf, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN);
+
+	wpabuf_put_u8(buf, WLAN_EID_SUPP_RATES);
+	wpabuf_put_u8(buf, 8);
+	wpabuf_put_u8(buf, (60 / 5) | 0x80);
+	wpabuf_put_u8(buf, 90 / 5);
+	wpabuf_put_u8(buf, (120 / 5) | 0x80);
+	wpabuf_put_u8(buf, 180 / 5);
+	wpabuf_put_u8(buf, (240 / 5) | 0x80);
+	wpabuf_put_u8(buf, 360 / 5);
+	wpabuf_put_u8(buf, 480 / 5);
+	wpabuf_put_u8(buf, 540 / 5);
+
+	wpabuf_put_u8(buf, WLAN_EID_DS_PARAMS);
+	wpabuf_put_u8(buf, 1);
+	wpabuf_put_u8(buf, p2p->cfg->channel);
+
+	wpabuf_put_buf(buf, ies);
+	wpabuf_free(ies);
+
+	p2p->cfg->send_probe_resp(p2p->cfg->cb_ctx, buf);
+
+	wpabuf_free(buf);
+}
+
+
+int p2p_probe_req_rx(struct p2p_data *p2p, const u8 *addr, const u8 *ie,
+		     size_t ie_len)
+{
+	p2p_add_dev_from_probe_req(p2p, addr, ie, ie_len);
+
+	p2p_reply_probe(p2p, addr, ie, ie_len);
+
+	if ((p2p->state == P2P_CONNECT || p2p->state == P2P_CONNECT_LISTEN) &&
+	    p2p->go_neg_peer &&
+	    os_memcmp(addr, p2p->go_neg_peer->info.p2p_device_addr, ETH_ALEN)
+	    == 0) {
+		/* Received a Probe Request from GO Negotiation peer */
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Found GO Negotiation peer - try to start GO "
+			"negotiation from timeout");
+		eloop_register_timeout(0, 0, p2p_go_neg_start, p2p, NULL);
+		return 1;
+	}
+
+	if ((p2p->state == P2P_INVITE || p2p->state == P2P_INVITE_LISTEN) &&
+	    p2p->invite_peer &&
+	    os_memcmp(addr, p2p->invite_peer->info.p2p_device_addr, ETH_ALEN)
+	    == 0) {
+		/* Received a Probe Request from Invite peer */
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Found Invite peer - try to start Invite from "
+			"timeout");
+		eloop_register_timeout(0, 0, p2p_invite_start, p2p, NULL);
+		return 1;
+	}
+
+	return 0;
+}
+
+
+static int p2p_assoc_req_ie_wlan_ap(struct p2p_data *p2p, const u8 *bssid,
+				    u8 *buf, size_t len, struct wpabuf *p2p_ie)
+{
+	struct wpabuf *tmp;
+	u8 *lpos;
+	size_t tmplen;
+	int res;
+	u8 group_capab;
+
+	if (p2p_ie == NULL)
+		return 0; /* WLAN AP is not a P2P manager */
+
+	/*
+	 * (Re)Association Request - P2P IE
+	 * P2P Capability attribute (shall be present)
+	 * P2P Interface attribute (present if concurrent device and
+	 *	P2P Management is enabled)
+	 */
+	tmp = wpabuf_alloc(200);
+	if (tmp == NULL)
+		return -1;
+
+	lpos = p2p_buf_add_ie_hdr(tmp);
+	group_capab = 0;
+	if (p2p->num_groups > 0) {
+		group_capab |= P2P_GROUP_CAPAB_GROUP_OWNER;
+		if ((p2p->dev_capab & P2P_DEV_CAPAB_CONCURRENT_OPER) &&
+		    (p2p->dev_capab & P2P_DEV_CAPAB_INFRA_MANAGED) &&
+		    p2p->cross_connect)
+			group_capab |= P2P_GROUP_CAPAB_CROSS_CONN;
+	}
+	p2p_buf_add_capability(tmp, p2p->dev_capab, group_capab);
+	if ((p2p->dev_capab & P2P_DEV_CAPAB_CONCURRENT_OPER) &&
+	    (p2p->dev_capab & P2P_DEV_CAPAB_INFRA_MANAGED))
+		p2p_buf_add_p2p_interface(tmp, p2p);
+	p2p_buf_update_ie_hdr(tmp, lpos);
+
+	tmplen = wpabuf_len(tmp);
+	if (tmplen > len)
+		res = -1;
+	else {
+		os_memcpy(buf, wpabuf_head(tmp), tmplen);
+		res = tmplen;
+	}
+	wpabuf_free(tmp);
+
+	return res;
+}
+
+
+int p2p_assoc_req_ie(struct p2p_data *p2p, const u8 *bssid, u8 *buf,
+		     size_t len, int p2p_group, struct wpabuf *p2p_ie)
+{
+	struct wpabuf *tmp;
+	u8 *lpos;
+	struct p2p_device *peer;
+	size_t tmplen;
+	int res;
+
+	if (!p2p_group)
+		return p2p_assoc_req_ie_wlan_ap(p2p, bssid, buf, len, p2p_ie);
+
+	/*
+	 * (Re)Association Request - P2P IE
+	 * P2P Capability attribute (shall be present)
+	 * Extended Listen Timing (may be present)
+	 * P2P Device Info attribute (shall be present)
+	 */
+	tmp = wpabuf_alloc(200);
+	if (tmp == NULL)
+		return -1;
+
+	peer = bssid ? p2p_get_device(p2p, bssid) : NULL;
+
+	lpos = p2p_buf_add_ie_hdr(tmp);
+	p2p_buf_add_capability(tmp, p2p->dev_capab, 0);
+	if (p2p->ext_listen_interval)
+		p2p_buf_add_ext_listen_timing(tmp, p2p->ext_listen_period,
+					      p2p->ext_listen_interval);
+	p2p_buf_add_device_info(tmp, p2p, peer);
+	p2p_buf_update_ie_hdr(tmp, lpos);
+
+	tmplen = wpabuf_len(tmp);
+	if (tmplen > len)
+		res = -1;
+	else {
+		os_memcpy(buf, wpabuf_head(tmp), tmplen);
+		res = tmplen;
+	}
+	wpabuf_free(tmp);
+
+	return res;
+}
+
+
+int p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, char *end)
+{
+	struct wpabuf *p2p_ie;
+	int ret;
+
+	p2p_ie = ieee802_11_vendor_ie_concat(ies, ies_len, P2P_IE_VENDOR_TYPE);
+	if (p2p_ie == NULL)
+		return 0;
+
+	ret = p2p_attr_text(p2p_ie, buf, end);
+	wpabuf_free(p2p_ie);
+	return ret;
+}
+
+
+static void p2p_clear_go_neg(struct p2p_data *p2p)
+{
+	p2p->go_neg_peer = NULL;
+	p2p_clear_timeout(p2p);
+	p2p_set_state(p2p, P2P_IDLE);
+}
+
+
+void p2p_wps_success_cb(struct p2p_data *p2p, const u8 *mac_addr)
+{
+	if (p2p->go_neg_peer == NULL) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No pending Group Formation - "
+			"ignore WPS registration success notification");
+		return; /* No pending Group Formation */
+	}
+
+	if (os_memcmp(mac_addr, p2p->go_neg_peer->intended_addr, ETH_ALEN) !=
+	    0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Ignore WPS registration success notification "
+			"for " MACSTR " (GO Negotiation peer " MACSTR ")",
+			MAC2STR(mac_addr),
+			MAC2STR(p2p->go_neg_peer->intended_addr));
+		return; /* Ignore unexpected peer address */
+	}
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Group Formation completed successfully with " MACSTR,
+		MAC2STR(mac_addr));
+
+	p2p_clear_go_neg(p2p);
+}
+
+
+void p2p_group_formation_failed(struct p2p_data *p2p)
+{
+	if (p2p->go_neg_peer == NULL) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No pending Group Formation - "
+			"ignore group formation failure notification");
+		return; /* No pending Group Formation */
+	}
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Group Formation failed with " MACSTR,
+		MAC2STR(p2p->go_neg_peer->intended_addr));
+
+	p2p_clear_go_neg(p2p);
+}
+
+
+struct p2p_data * p2p_init(const struct p2p_config *cfg)
+{
+	struct p2p_data *p2p;
+
+	if (cfg->max_peers < 1)
+		return NULL;
+
+	p2p = os_zalloc(sizeof(*p2p) + sizeof(*cfg));
+	if (p2p == NULL)
+		return NULL;
+	p2p->cfg = (struct p2p_config *) (p2p + 1);
+	os_memcpy(p2p->cfg, cfg, sizeof(*cfg));
+	if (cfg->dev_name)
+		p2p->cfg->dev_name = os_strdup(cfg->dev_name);
+	if (cfg->manufacturer)
+		p2p->cfg->manufacturer = os_strdup(cfg->manufacturer);
+	if (cfg->model_name)
+		p2p->cfg->model_name = os_strdup(cfg->model_name);
+	if (cfg->model_number)
+		p2p->cfg->model_number = os_strdup(cfg->model_number);
+	if (cfg->serial_number)
+		p2p->cfg->serial_number = os_strdup(cfg->serial_number);
+
+	p2p->min_disc_int = 1;
+	p2p->max_disc_int = 3;
+
+	os_get_random(&p2p->next_tie_breaker, 1);
+	p2p->next_tie_breaker &= 0x01;
+	if (cfg->sd_request)
+		p2p->dev_capab |= P2P_DEV_CAPAB_SERVICE_DISCOVERY;
+	p2p->dev_capab |= P2P_DEV_CAPAB_INVITATION_PROCEDURE;
+	if (cfg->concurrent_operations)
+		p2p->dev_capab |= P2P_DEV_CAPAB_CONCURRENT_OPER;
+	p2p->dev_capab |= P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY;
+
+	dl_list_init(&p2p->devices);
+
+	eloop_register_timeout(P2P_PEER_EXPIRATION_INTERVAL, 0,
+			       p2p_expiration_timeout, p2p, NULL);
+
+	return p2p;
+}
+
+
+void p2p_deinit(struct p2p_data *p2p)
+{
+	eloop_cancel_timeout(p2p_expiration_timeout, p2p, NULL);
+	eloop_cancel_timeout(p2p_ext_listen_timeout, p2p, NULL);
+	eloop_cancel_timeout(p2p_scan_timeout, p2p, NULL);
+	p2p_flush(p2p);
+	p2p_free_req_dev_types(p2p);
+	os_free(p2p->cfg->dev_name);
+	os_free(p2p->cfg->manufacturer);
+	os_free(p2p->cfg->model_name);
+	os_free(p2p->cfg->model_number);
+	os_free(p2p->cfg->serial_number);
+	os_free(p2p->groups);
+	wpabuf_free(p2p->sd_resp);
+	os_free(p2p->after_scan_tx);
+	p2p_remove_wps_vendor_extensions(p2p);
+	os_free(p2p);
+}
+
+
+void p2p_flush(struct p2p_data *p2p)
+{
+	struct p2p_device *dev, *prev;
+	p2p_clear_timeout(p2p);
+	p2p_set_state(p2p, P2P_IDLE);
+	p2p->start_after_scan = P2P_AFTER_SCAN_NOTHING;
+	p2p->go_neg_peer = NULL;
+	eloop_cancel_timeout(p2p_find_timeout, p2p, NULL);
+	dl_list_for_each_safe(dev, prev, &p2p->devices, struct p2p_device,
+			      list) {
+		dl_list_del(&dev->list);
+		p2p_device_free(p2p, dev);
+	}
+	p2p_free_sd_queries(p2p);
+	os_free(p2p->after_scan_tx);
+	p2p->after_scan_tx = NULL;
+}
+
+
+int p2p_unauthorize(struct p2p_data *p2p, const u8 *addr)
+{
+	struct p2p_device *dev;
+
+	dev = p2p_get_device(p2p, addr);
+	if (dev == NULL)
+		return -1;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Unauthorizing " MACSTR,
+		MAC2STR(addr));
+
+	if (p2p->go_neg_peer == dev)
+		p2p->go_neg_peer = NULL;
+
+	dev->wps_method = WPS_NOT_READY;
+	dev->flags &= ~P2P_DEV_WAIT_GO_NEG_RESPONSE;
+	dev->flags &= ~P2P_DEV_WAIT_GO_NEG_CONFIRM;
+
+	/* Check if after_scan_tx is for this peer. If so free it */
+	if (p2p->after_scan_tx &&
+	    os_memcmp(addr, p2p->after_scan_tx->dst, ETH_ALEN) == 0) {
+		os_free(p2p->after_scan_tx);
+		p2p->after_scan_tx = NULL;
+	}
+
+	return 0;
+}
+
+
+int p2p_set_dev_name(struct p2p_data *p2p, const char *dev_name)
+{
+	os_free(p2p->cfg->dev_name);
+	if (dev_name) {
+		p2p->cfg->dev_name = os_strdup(dev_name);
+		if (p2p->cfg->dev_name == NULL)
+			return -1;
+	} else
+		p2p->cfg->dev_name = NULL;
+	return 0;
+}
+
+
+int p2p_set_manufacturer(struct p2p_data *p2p, const char *manufacturer)
+{
+	os_free(p2p->cfg->manufacturer);
+	p2p->cfg->manufacturer = NULL;
+	if (manufacturer) {
+		p2p->cfg->manufacturer = os_strdup(manufacturer);
+		if (p2p->cfg->manufacturer == NULL)
+			return -1;
+	}
+
+	return 0;
+}
+
+
+int p2p_set_model_name(struct p2p_data *p2p, const char *model_name)
+{
+	os_free(p2p->cfg->model_name);
+	p2p->cfg->model_name = NULL;
+	if (model_name) {
+		p2p->cfg->model_name = os_strdup(model_name);
+		if (p2p->cfg->model_name == NULL)
+			return -1;
+	}
+
+	return 0;
+}
+
+
+int p2p_set_model_number(struct p2p_data *p2p, const char *model_number)
+{
+	os_free(p2p->cfg->model_number);
+	p2p->cfg->model_number = NULL;
+	if (model_number) {
+		p2p->cfg->model_number = os_strdup(model_number);
+		if (p2p->cfg->model_number == NULL)
+			return -1;
+	}
+
+	return 0;
+}
+
+
+int p2p_set_serial_number(struct p2p_data *p2p, const char *serial_number)
+{
+	os_free(p2p->cfg->serial_number);
+	p2p->cfg->serial_number = NULL;
+	if (serial_number) {
+		p2p->cfg->serial_number = os_strdup(serial_number);
+		if (p2p->cfg->serial_number == NULL)
+			return -1;
+	}
+
+	return 0;
+}
+
+
+void p2p_set_config_methods(struct p2p_data *p2p, u16 config_methods)
+{
+	p2p->cfg->config_methods = config_methods;
+}
+
+
+void p2p_set_uuid(struct p2p_data *p2p, const u8 *uuid)
+{
+	os_memcpy(p2p->cfg->uuid, uuid, 16);
+}
+
+
+int p2p_set_pri_dev_type(struct p2p_data *p2p, const u8 *pri_dev_type)
+{
+	os_memcpy(p2p->cfg->pri_dev_type, pri_dev_type, 8);
+	return 0;
+}
+
+
+int p2p_set_sec_dev_types(struct p2p_data *p2p, const u8 dev_types[][8],
+			  size_t num_dev_types)
+{
+	if (num_dev_types > P2P_SEC_DEVICE_TYPES)
+		num_dev_types = P2P_SEC_DEVICE_TYPES;
+	p2p->cfg->num_sec_dev_types = num_dev_types;
+	os_memcpy(p2p->cfg->sec_dev_type, dev_types, num_dev_types * 8);
+	return 0;
+}
+
+
+void p2p_remove_wps_vendor_extensions(struct p2p_data *p2p)
+{
+	int i;
+
+	for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
+		wpabuf_free(p2p->wps_vendor_ext[i]);
+		p2p->wps_vendor_ext[i] = NULL;
+	}
+}
+
+
+int p2p_add_wps_vendor_extension(struct p2p_data *p2p,
+				 const struct wpabuf *vendor_ext)
+{
+	int i;
+
+	if (vendor_ext == NULL)
+		return -1;
+
+	for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
+		if (p2p->wps_vendor_ext[i] == NULL)
+			break;
+	}
+	if (i >= P2P_MAX_WPS_VENDOR_EXT)
+		return -1;
+
+	p2p->wps_vendor_ext[i] = wpabuf_dup(vendor_ext);
+	if (p2p->wps_vendor_ext[i] == NULL)
+		return -1;
+
+	return 0;
+}
+
+
+int p2p_set_country(struct p2p_data *p2p, const char *country)
+{
+	os_memcpy(p2p->cfg->country, country, 3);
+	return 0;
+}
+
+
+void p2p_continue_find(struct p2p_data *p2p)
+{
+	struct p2p_device *dev;
+	p2p_set_state(p2p, P2P_SEARCH);
+	dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
+		if (dev->flags & P2P_DEV_SD_SCHEDULE) {
+			if (p2p_start_sd(p2p, dev) == 0)
+				return;
+			else
+				break;
+		} else if (dev->req_config_methods &&
+			   !(dev->flags & P2P_DEV_PD_FOR_JOIN)) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Send "
+				"pending Provisioning Discovery Request to "
+				MACSTR " (config methods 0x%x)",
+				MAC2STR(dev->info.p2p_device_addr),
+				dev->req_config_methods);
+			if (p2p_send_prov_disc_req(p2p, dev, 0) == 0)
+				return;
+		}
+	}
+
+	p2p_listen_in_find(p2p);
+}
+
+
+static void p2p_sd_cb(struct p2p_data *p2p, int success)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Service Discovery Query TX callback: success=%d",
+		success);
+	p2p->pending_action_state = P2P_NO_PENDING_ACTION;
+
+	if (!success) {
+		if (p2p->sd_peer) {
+			p2p->sd_peer->flags &= ~P2P_DEV_SD_SCHEDULE;
+			p2p->sd_peer = NULL;
+		}
+		p2p_continue_find(p2p);
+		return;
+	}
+
+	if (p2p->sd_peer == NULL) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No SD peer entry known");
+		p2p_continue_find(p2p);
+		return;
+	}
+
+	/* Wait for response from the peer */
+	p2p_set_state(p2p, P2P_SD_DURING_FIND);
+	p2p_set_timeout(p2p, 0, 200000);
+}
+
+static void p2p_prov_disc_cb(struct p2p_data *p2p, int success)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Provision Discovery Request TX callback: success=%d",
+		success);
+	p2p->pending_action_state = P2P_NO_PENDING_ACTION;
+
+	if (!success) {
+		if (p2p->state != P2P_IDLE)
+			p2p_continue_find(p2p);
+		return;
+	}
+
+	/* Wait for response from the peer */
+	if (p2p->state == P2P_SEARCH)
+		p2p_set_state(p2p, P2P_PD_DURING_FIND);
+	p2p_set_timeout(p2p, 0, 200000);
+}
+
+
+int p2p_scan_res_handler(struct p2p_data *p2p, const u8 *bssid, int freq,
+			 int level, const u8 *ies, size_t ies_len)
+{
+	p2p_add_device(p2p, bssid, freq, level, ies, ies_len);
+
+	if (p2p->go_neg_peer && p2p->state == P2P_SEARCH &&
+	    os_memcmp(p2p->go_neg_peer->info.p2p_device_addr, bssid, ETH_ALEN)
+	    == 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Found GO Negotiation peer - try to start GO "
+			"negotiation");
+		p2p_connect_send(p2p, p2p->go_neg_peer);
+		return 1;
+	}
+
+	return 0;
+}
+
+
+void p2p_scan_res_handled(struct p2p_data *p2p)
+{
+	if (!p2p->p2p_scan_running) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: p2p_scan was not "
+			"running, but scan results received");
+	}
+	p2p->p2p_scan_running = 0;
+	eloop_cancel_timeout(p2p_scan_timeout, p2p, NULL);
+
+	if (p2p_run_after_scan(p2p))
+		return;
+	if (p2p->state == P2P_SEARCH)
+		p2p_continue_find(p2p);
+}
+
+
+void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies)
+{
+	u8 *len = p2p_buf_add_ie_hdr(ies);
+	p2p_buf_add_capability(ies, p2p->dev_capab, 0);
+	if (p2p->cfg->reg_class && p2p->cfg->channel)
+		p2p_buf_add_listen_channel(ies, p2p->cfg->country,
+					   p2p->cfg->reg_class,
+					   p2p->cfg->channel);
+	if (p2p->ext_listen_interval)
+		p2p_buf_add_ext_listen_timing(ies, p2p->ext_listen_period,
+					      p2p->ext_listen_interval);
+	/* TODO: p2p_buf_add_operating_channel() if GO */
+	p2p_buf_update_ie_hdr(ies, len);
+}
+
+
+int p2p_ie_text(struct wpabuf *p2p_ie, char *buf, char *end)
+{
+	return p2p_attr_text(p2p_ie, buf, end);
+}
+
+
+static void p2p_go_neg_req_cb(struct p2p_data *p2p, int success)
+{
+	struct p2p_device *dev = p2p->go_neg_peer;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: GO Negotiation Request TX callback: success=%d",
+		success);
+
+	if (dev == NULL) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No pending GO Negotiation");
+		return;
+	}
+
+	if (success) {
+		dev->go_neg_req_sent++;
+		if (dev->flags & P2P_DEV_USER_REJECTED) {
+			p2p_set_state(p2p, P2P_IDLE);
+			return;
+		}
+	}
+
+	if (!success &&
+	    (dev->info.dev_capab & P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY) &&
+	    !is_zero_ether_addr(dev->member_in_go_dev)) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Peer " MACSTR " did not acknowledge request - "
+			"try to use device discoverability through its GO",
+			MAC2STR(dev->info.p2p_device_addr));
+		p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+		p2p_send_dev_disc_req(p2p, dev);
+		return;
+	}
+
+	/*
+	 * Use P2P find, if needed, to find the other device from its listen
+	 * channel.
+	 */
+	p2p_set_state(p2p, P2P_CONNECT);
+	p2p_set_timeout(p2p, 0, 100000);
+}
+
+
+static void p2p_go_neg_resp_cb(struct p2p_data *p2p, int success)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: GO Negotiation Response TX callback: success=%d",
+		success);
+	if (!p2p->go_neg_peer && p2p->state == P2P_PROVISIONING) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Ignore TX callback event - GO Negotiation is "
+			"not running anymore");
+		return;
+	}
+	p2p_set_state(p2p, P2P_CONNECT);
+	p2p_set_timeout(p2p, 0, 100000);
+}
+
+
+static void p2p_go_neg_resp_failure_cb(struct p2p_data *p2p, int success)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: GO Negotiation Response (failure) TX callback: "
+		"success=%d", success);
+	if (p2p->go_neg_peer && p2p->go_neg_peer->status != P2P_SC_SUCCESS) {
+		p2p_go_neg_failed(p2p, p2p->go_neg_peer,
+				  p2p->go_neg_peer->status);
+	}
+}
+
+
+static void p2p_go_neg_conf_cb(struct p2p_data *p2p,
+			       enum p2p_send_action_result result)
+{
+	struct p2p_device *dev;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: GO Negotiation Confirm TX callback: result=%d",
+		result);
+	p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+	if (result == P2P_SEND_ACTION_FAILED) {
+		p2p_go_neg_failed(p2p, p2p->go_neg_peer, -1);
+		return;
+	}
+	if (result == P2P_SEND_ACTION_NO_ACK) {
+		/*
+		 * It looks like the TX status for GO Negotiation Confirm is
+		 * often showing failure even when the peer has actually
+		 * received the frame. Since the peer may change channels
+		 * immediately after having received the frame, we may not see
+		 * an Ack for retries, so just dropping a single frame may
+		 * trigger this. To allow the group formation to succeed if the
+		 * peer did indeed receive the frame, continue regardless of
+		 * the TX status.
+		 */
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Assume GO Negotiation Confirm TX was actually "
+			"received by the peer even though Ack was not "
+			"reported");
+	}
+
+	dev = p2p->go_neg_peer;
+	if (dev == NULL)
+		return;
+
+	p2p_go_complete(p2p, dev);
+}
+
+
+void p2p_send_action_cb(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
+			const u8 *src, const u8 *bssid,
+			enum p2p_send_action_result result)
+{
+	enum p2p_pending_action_state state;
+	int success;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Action frame TX callback (state=%d freq=%u dst=" MACSTR
+		" src=" MACSTR " bssid=" MACSTR " result=%d",
+		p2p->pending_action_state, freq, MAC2STR(dst), MAC2STR(src),
+		MAC2STR(bssid), result);
+	success = result == P2P_SEND_ACTION_SUCCESS;
+	state = p2p->pending_action_state;
+	p2p->pending_action_state = P2P_NO_PENDING_ACTION;
+	switch (state) {
+	case P2P_NO_PENDING_ACTION:
+		break;
+	case P2P_PENDING_GO_NEG_REQUEST:
+		p2p_go_neg_req_cb(p2p, success);
+		break;
+	case P2P_PENDING_GO_NEG_RESPONSE:
+		p2p_go_neg_resp_cb(p2p, success);
+		break;
+	case P2P_PENDING_GO_NEG_RESPONSE_FAILURE:
+		p2p_go_neg_resp_failure_cb(p2p, success);
+		break;
+	case P2P_PENDING_GO_NEG_CONFIRM:
+		p2p_go_neg_conf_cb(p2p, result);
+		break;
+	case P2P_PENDING_SD:
+		p2p_sd_cb(p2p, success);
+		break;
+	case P2P_PENDING_PD:
+		p2p_prov_disc_cb(p2p, success);
+		break;
+	case P2P_PENDING_INVITATION_REQUEST:
+		p2p_invitation_req_cb(p2p, success);
+		break;
+	case P2P_PENDING_INVITATION_RESPONSE:
+		p2p_invitation_resp_cb(p2p, success);
+		break;
+	case P2P_PENDING_DEV_DISC_REQUEST:
+		p2p_dev_disc_req_cb(p2p, success);
+		break;
+	case P2P_PENDING_DEV_DISC_RESPONSE:
+		p2p_dev_disc_resp_cb(p2p, success);
+		break;
+	case P2P_PENDING_GO_DISC_REQ:
+		p2p_go_disc_req_cb(p2p, success);
+		break;
+	}
+}
+
+
+void p2p_listen_cb(struct p2p_data *p2p, unsigned int freq,
+		   unsigned int duration)
+{
+	if (freq == p2p->pending_client_disc_freq) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Client discoverability remain-awake completed");
+		p2p->pending_client_disc_freq = 0;
+		return;
+	}
+
+	if (freq != p2p->pending_listen_freq) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unexpected listen callback for freq=%u "
+			"duration=%u (pending_listen_freq=%u)",
+			freq, duration, p2p->pending_listen_freq);
+		return;
+	}
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Starting Listen timeout(%u,%u) on freq=%u based on "
+		"callback",
+		p2p->pending_listen_sec, p2p->pending_listen_usec,
+		p2p->pending_listen_freq);
+	p2p->in_listen = 1;
+	p2p->drv_in_listen = freq;
+	if (p2p->pending_listen_sec || p2p->pending_listen_usec) {
+		/*
+		 * Add 20 msec extra wait to avoid race condition with driver
+		 * remain-on-channel end event, i.e., give driver more time to
+		 * complete the operation before our timeout expires.
+		 */
+		p2p_set_timeout(p2p, p2p->pending_listen_sec,
+				p2p->pending_listen_usec + 20000);
+	}
+
+	p2p->pending_listen_freq = 0;
+}
+
+
+int p2p_listen_end(struct p2p_data *p2p, unsigned int freq)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Driver ended Listen "
+		"state (freq=%u)", freq);
+	p2p->drv_in_listen = 0;
+	if (p2p->in_listen)
+		return 0; /* Internal timeout will trigger the next step */
+
+	if (p2p->state == P2P_CONNECT_LISTEN && p2p->go_neg_peer) {
+		if (p2p->go_neg_peer->connect_reqs >= 120) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Timeout on sending GO Negotiation "
+				"Request without getting response");
+			p2p_go_neg_failed(p2p, p2p->go_neg_peer, -1);
+			return 0;
+		}
+
+		p2p_set_state(p2p, P2P_CONNECT);
+		p2p_connect_send(p2p, p2p->go_neg_peer);
+		return 1;
+	} else if (p2p->state == P2P_SEARCH) {
+		p2p_search(p2p);
+		return 1;
+	}
+
+	return 0;
+}
+
+
+static void p2p_timeout_connect(struct p2p_data *p2p)
+{
+	p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+	p2p_set_state(p2p, P2P_CONNECT_LISTEN);
+	p2p_listen_in_find(p2p);
+}
+
+
+static void p2p_timeout_connect_listen(struct p2p_data *p2p)
+{
+	if (p2p->go_neg_peer) {
+		if (p2p->drv_in_listen) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Driver is "
+				"still in Listen state; wait for it to "
+				"complete");
+			return;
+		}
+
+		if (p2p->go_neg_peer->connect_reqs >= 120) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Timeout on sending GO Negotiation "
+				"Request without getting response");
+			p2p_go_neg_failed(p2p, p2p->go_neg_peer, -1);
+			return;
+		}
+
+		p2p_set_state(p2p, P2P_CONNECT);
+		p2p_connect_send(p2p, p2p->go_neg_peer);
+	} else
+		p2p_set_state(p2p, P2P_IDLE);
+}
+
+
+static void p2p_timeout_wait_peer_connect(struct p2p_data *p2p)
+{
+	/*
+	 * TODO: could remain constantly in Listen state for some time if there
+	 * are no other concurrent uses for the radio. For now, go to listen
+	 * state once per second to give other uses a chance to use the radio.
+	 */
+	p2p_set_state(p2p, P2P_WAIT_PEER_IDLE);
+	p2p_set_timeout(p2p, 1, 0);
+}
+
+
+static void p2p_timeout_wait_peer_idle(struct p2p_data *p2p)
+{
+	struct p2p_device *dev = p2p->go_neg_peer;
+
+	if (dev == NULL) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unknown GO Neg peer - stop GO Neg wait");
+		return;
+	}
+
+	dev->wait_count++;
+	if (dev->wait_count >= 120) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Timeout on waiting peer to become ready for GO "
+			"Negotiation");
+		p2p_go_neg_failed(p2p, dev, -1);
+		return;
+	}
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Go to Listen state while waiting for the peer to become "
+		"ready for GO Negotiation");
+	p2p_set_state(p2p, P2P_WAIT_PEER_CONNECT);
+	p2p_listen_in_find(p2p);
+}
+
+
+static void p2p_timeout_sd_during_find(struct p2p_data *p2p)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Service Discovery Query timeout");
+	if (p2p->sd_peer) {
+		p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+		p2p->sd_peer->flags &= ~P2P_DEV_SD_SCHEDULE;
+		p2p->sd_peer = NULL;
+	}
+	p2p_continue_find(p2p);
+}
+
+
+static void p2p_timeout_prov_disc_during_find(struct p2p_data *p2p)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Provision Discovery Request timeout");
+	p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+	p2p_continue_find(p2p);
+}
+
+
+static void p2p_timeout_invite(struct p2p_data *p2p)
+{
+	p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+	p2p_set_state(p2p, P2P_INVITE_LISTEN);
+	if (p2p->inv_role == P2P_INVITE_ROLE_ACTIVE_GO) {
+		/*
+		 * Better remain on operating channel instead of listen channel
+		 * when running a group.
+		 */
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Inviting in "
+			"active GO role - wait on operating channel");
+		p2p_set_timeout(p2p, 0, 100000);
+		return;
+	}
+	p2p_listen_in_find(p2p);
+}
+
+
+static void p2p_timeout_invite_listen(struct p2p_data *p2p)
+{
+	if (p2p->invite_peer && p2p->invite_peer->invitation_reqs < 100) {
+		p2p_set_state(p2p, P2P_INVITE);
+		p2p_invite_send(p2p, p2p->invite_peer,
+				p2p->invite_go_dev_addr);
+	} else {
+		if (p2p->invite_peer) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Invitation Request retry limit reached");
+			if (p2p->cfg->invitation_result)
+				p2p->cfg->invitation_result(
+					p2p->cfg->cb_ctx, -1, NULL);
+		}
+		p2p_set_state(p2p, P2P_IDLE);
+	}
+}
+
+
+static void p2p_state_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct p2p_data *p2p = eloop_ctx;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Timeout (state=%s)",
+		p2p_state_txt(p2p->state));
+
+	p2p->in_listen = 0;
+
+	switch (p2p->state) {
+	case P2P_IDLE:
+		break;
+	case P2P_SEARCH:
+		p2p_search(p2p);
+		break;
+	case P2P_CONNECT:
+		p2p_timeout_connect(p2p);
+		break;
+	case P2P_CONNECT_LISTEN:
+		p2p_timeout_connect_listen(p2p);
+		break;
+	case P2P_GO_NEG:
+		break;
+	case P2P_LISTEN_ONLY:
+		if (p2p->ext_listen_only) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Extended Listen Timing - Listen State "
+				"completed");
+			p2p->ext_listen_only = 0;
+			p2p_set_state(p2p, P2P_IDLE);
+		}
+		break;
+	case P2P_WAIT_PEER_CONNECT:
+		p2p_timeout_wait_peer_connect(p2p);
+		break;
+	case P2P_WAIT_PEER_IDLE:
+		p2p_timeout_wait_peer_idle(p2p);
+		break;
+	case P2P_SD_DURING_FIND:
+		p2p_timeout_sd_during_find(p2p);
+		break;
+	case P2P_PROVISIONING:
+		break;
+	case P2P_PD_DURING_FIND:
+		p2p_timeout_prov_disc_during_find(p2p);
+		break;
+	case P2P_INVITE:
+		p2p_timeout_invite(p2p);
+		break;
+	case P2P_INVITE_LISTEN:
+		p2p_timeout_invite_listen(p2p);
+		break;
+	}
+}
+
+
+int p2p_reject(struct p2p_data *p2p, const u8 *peer_addr)
+{
+	struct p2p_device *dev;
+
+	dev = p2p_get_device(p2p, peer_addr);
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Local request to reject "
+		"connection attempts by peer " MACSTR, MAC2STR(peer_addr));
+	if (dev == NULL) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Peer " MACSTR
+			" unknown", MAC2STR(peer_addr));
+		return -1;
+	}
+	dev->status = P2P_SC_FAIL_REJECTED_BY_USER;
+	dev->flags |= P2P_DEV_USER_REJECTED;
+	return 0;
+}
+
+
+static const char * p2p_wps_method_text(enum p2p_wps_method method)
+{
+	switch (method) {
+	case WPS_NOT_READY:
+		return "not-ready";
+	case WPS_PIN_LABEL:
+		return "Label";
+	case WPS_PIN_DISPLAY:
+		return "Display";
+	case WPS_PIN_KEYPAD:
+		return "Keypad";
+	case WPS_PBC:
+		return "PBC";
+	}
+
+	return "??";
+}
+
+
+static const char * p2p_go_state_text(enum p2p_go_state go_state)
+{
+	switch (go_state) {
+	case UNKNOWN_GO:
+		return "unknown";
+	case LOCAL_GO:
+		return "local";
+	case  REMOTE_GO:
+		return "remote";
+	}
+
+	return "??";
+}
+
+
+int p2p_get_peer_info(struct p2p_data *p2p, const u8 *addr, int next,
+		      char *buf, size_t buflen)
+{
+	struct p2p_device *dev;
+	int res;
+	char *pos, *end;
+	struct os_time now;
+	char devtype[WPS_DEV_TYPE_BUFSIZE];
+
+	if (addr)
+		dev = p2p_get_device(p2p, addr);
+	else
+		dev = dl_list_first(&p2p->devices, struct p2p_device, list);
+
+	if (dev && next) {
+		dev = dl_list_first(&dev->list, struct p2p_device, list);
+		if (&dev->list == &p2p->devices)
+			dev = NULL;
+	}
+
+	if (dev == NULL)
+		return -1;
+
+	pos = buf;
+	end = buf + buflen;
+
+	res = os_snprintf(pos, end - pos, MACSTR "\n",
+			  MAC2STR(dev->info.p2p_device_addr));
+	if (res < 0 || res >= end - pos)
+		return pos - buf;
+	pos += res;
+
+	os_get_time(&now);
+	res = os_snprintf(pos, end - pos,
+			  "age=%d\n"
+			  "listen_freq=%d\n"
+			  "level=%d\n"
+			  "wps_method=%s\n"
+			  "interface_addr=" MACSTR "\n"
+			  "member_in_go_dev=" MACSTR "\n"
+			  "member_in_go_iface=" MACSTR "\n"
+			  "pri_dev_type=%s\n"
+			  "device_name=%s\n"
+			  "manufacturer=%s\n"
+			  "model_name=%s\n"
+			  "model_number=%s\n"
+			  "serial_number=%s\n"
+			  "config_methods=0x%x\n"
+			  "dev_capab=0x%x\n"
+			  "group_capab=0x%x\n"
+			  "go_neg_req_sent=%d\n"
+			  "go_state=%s\n"
+			  "dialog_token=%u\n"
+			  "intended_addr=" MACSTR "\n"
+			  "country=%c%c\n"
+			  "oper_freq=%d\n"
+			  "req_config_methods=0x%x\n"
+			  "flags=%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n"
+			  "status=%d\n"
+			  "wait_count=%u\n"
+			  "invitation_reqs=%u\n",
+			  (int) (now.sec - dev->last_seen.sec),
+			  dev->listen_freq,
+			  dev->level,
+			  p2p_wps_method_text(dev->wps_method),
+			  MAC2STR(dev->interface_addr),
+			  MAC2STR(dev->member_in_go_dev),
+			  MAC2STR(dev->member_in_go_iface),
+			  wps_dev_type_bin2str(dev->info.pri_dev_type,
+					       devtype, sizeof(devtype)),
+			  dev->info.device_name,
+			  dev->info.manufacturer,
+			  dev->info.model_name,
+			  dev->info.model_number,
+			  dev->info.serial_number,
+			  dev->info.config_methods,
+			  dev->info.dev_capab,
+			  dev->info.group_capab,
+			  dev->go_neg_req_sent,
+			  p2p_go_state_text(dev->go_state),
+			  dev->dialog_token,
+			  MAC2STR(dev->intended_addr),
+			  dev->country[0] ? dev->country[0] : '_',
+			  dev->country[1] ? dev->country[1] : '_',
+			  dev->oper_freq,
+			  dev->req_config_methods,
+			  dev->flags & P2P_DEV_PROBE_REQ_ONLY ?
+			  "[PROBE_REQ_ONLY]" : "",
+			  dev->flags & P2P_DEV_REPORTED ? "[REPORTED]" : "",
+			  dev->flags & P2P_DEV_NOT_YET_READY ?
+			  "[NOT_YET_READY]" : "",
+			  dev->flags & P2P_DEV_SD_INFO ? "[SD_INFO]" : "",
+			  dev->flags & P2P_DEV_SD_SCHEDULE ? "[SD_SCHEDULE]" :
+			  "",
+			  dev->flags & P2P_DEV_PD_PEER_DISPLAY ?
+			  "[PD_PEER_DISPLAY]" : "",
+			  dev->flags & P2P_DEV_PD_PEER_KEYPAD ?
+			  "[PD_PEER_KEYPAD]" : "",
+			  dev->flags & P2P_DEV_USER_REJECTED ?
+			  "[USER_REJECTED]" : "",
+			  dev->flags & P2P_DEV_PEER_WAITING_RESPONSE ?
+			  "[PEER_WAITING_RESPONSE]" : "",
+			  dev->flags & P2P_DEV_PREFER_PERSISTENT_GROUP ?
+			  "[PREFER_PERSISTENT_GROUP]" : "",
+			  dev->flags & P2P_DEV_WAIT_GO_NEG_RESPONSE ?
+			  "[WAIT_GO_NEG_RESPONSE]" : "",
+			  dev->flags & P2P_DEV_WAIT_GO_NEG_CONFIRM ?
+			  "[WAIT_GO_NEG_CONFIRM]" : "",
+			  dev->flags & P2P_DEV_GROUP_CLIENT_ONLY ?
+			  "[GROUP_CLIENT_ONLY]" : "",
+			  dev->flags & P2P_DEV_FORCE_FREQ ?
+			  "[FORCE_FREQ]" : "",
+			  dev->flags & P2P_DEV_PD_FOR_JOIN ?
+			  "[PD_FOR_JOIN]" : "",
+			  dev->status,
+			  dev->wait_count,
+			  dev->invitation_reqs);
+	if (res < 0 || res >= end - pos)
+		return pos - buf;
+	pos += res;
+
+	if (dev->ext_listen_period) {
+		res = os_snprintf(pos, end - pos,
+				  "ext_listen_period=%u\n"
+				  "ext_listen_interval=%u\n",
+				  dev->ext_listen_period,
+				  dev->ext_listen_interval);
+		if (res < 0 || res >= end - pos)
+			return pos - buf;
+		pos += res;
+	}
+
+	if (dev->oper_ssid_len) {
+		res = os_snprintf(pos, end - pos,
+				  "oper_ssid=%s\n",
+				  wpa_ssid_txt(dev->oper_ssid,
+					       dev->oper_ssid_len));
+		if (res < 0 || res >= end - pos)
+			return pos - buf;
+		pos += res;
+	}
+
+	return pos - buf;
+}
+
+
+void p2p_set_client_discoverability(struct p2p_data *p2p, int enabled)
+{
+	if (enabled) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Client "
+			"discoverability enabled");
+		p2p->dev_capab |= P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY;
+	} else {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Client "
+			"discoverability disabled");
+		p2p->dev_capab &= ~P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY;
+	}
+}
+
+
+static struct wpabuf * p2p_build_presence_req(u32 duration1, u32 interval1,
+					      u32 duration2, u32 interval2)
+{
+	struct wpabuf *req;
+	struct p2p_noa_desc desc1, desc2, *ptr1 = NULL, *ptr2 = NULL;
+	u8 *len;
+
+	req = wpabuf_alloc(100);
+	if (req == NULL)
+		return NULL;
+
+	if (duration1 || interval1) {
+		os_memset(&desc1, 0, sizeof(desc1));
+		desc1.count_type = 1;
+		desc1.duration = duration1;
+		desc1.interval = interval1;
+		ptr1 = &desc1;
+
+		if (duration2 || interval2) {
+			os_memset(&desc2, 0, sizeof(desc2));
+			desc2.count_type = 2;
+			desc2.duration = duration2;
+			desc2.interval = interval2;
+			ptr2 = &desc2;
+		}
+	}
+
+	p2p_buf_add_action_hdr(req, P2P_PRESENCE_REQ, 1);
+	len = p2p_buf_add_ie_hdr(req);
+	p2p_buf_add_noa(req, 0, 0, 0, ptr1, ptr2);
+	p2p_buf_update_ie_hdr(req, len);
+
+	return req;
+}
+
+
+int p2p_presence_req(struct p2p_data *p2p, const u8 *go_interface_addr,
+		     const u8 *own_interface_addr, unsigned int freq,
+		     u32 duration1, u32 interval1, u32 duration2,
+		     u32 interval2)
+{
+	struct wpabuf *req;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Send Presence Request to "
+		"GO " MACSTR " (own interface " MACSTR ") freq=%u dur1=%u "
+		"int1=%u dur2=%u int2=%u",
+		MAC2STR(go_interface_addr), MAC2STR(own_interface_addr),
+		freq, duration1, interval1, duration2, interval2);
+
+	req = p2p_build_presence_req(duration1, interval1, duration2,
+				     interval2);
+	if (req == NULL)
+		return -1;
+
+	p2p->pending_action_state = P2P_NO_PENDING_ACTION;
+	if (p2p_send_action(p2p, freq, go_interface_addr, own_interface_addr,
+			    go_interface_addr,
+			    wpabuf_head(req), wpabuf_len(req), 200) < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to send Action frame");
+	}
+	wpabuf_free(req);
+
+	return 0;
+}
+
+
+static struct wpabuf * p2p_build_presence_resp(u8 status, const u8 *noa,
+					       size_t noa_len, u8 dialog_token)
+{
+	struct wpabuf *resp;
+	u8 *len;
+
+	resp = wpabuf_alloc(100 + noa_len);
+	if (resp == NULL)
+		return NULL;
+
+	p2p_buf_add_action_hdr(resp, P2P_PRESENCE_RESP, dialog_token);
+	len = p2p_buf_add_ie_hdr(resp);
+	p2p_buf_add_status(resp, status);
+	if (noa) {
+		wpabuf_put_u8(resp, P2P_ATTR_NOTICE_OF_ABSENCE);
+		wpabuf_put_le16(resp, noa_len);
+		wpabuf_put_data(resp, noa, noa_len);
+	} else
+		p2p_buf_add_noa(resp, 0, 0, 0, NULL, NULL);
+	p2p_buf_update_ie_hdr(resp, len);
+
+	return resp;
+}
+
+
+static void p2p_process_presence_req(struct p2p_data *p2p, const u8 *da,
+				     const u8 *sa, const u8 *data, size_t len,
+				     int rx_freq)
+{
+	struct p2p_message msg;
+	u8 status;
+	struct wpabuf *resp;
+	size_t g;
+	struct p2p_group *group = NULL;
+	int parsed = 0;
+	u8 noa[50];
+	int noa_len;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Received P2P Action - P2P Presence Request");
+
+	for (g = 0; g < p2p->num_groups; g++) {
+		if (os_memcmp(da, p2p_group_get_interface_addr(p2p->groups[g]),
+			      ETH_ALEN) == 0) {
+			group = p2p->groups[g];
+			break;
+		}
+	}
+	if (group == NULL) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Ignore P2P Presence Request for unknown group "
+			MACSTR, MAC2STR(da));
+		return;
+	}
+
+	if (p2p_parse(data, len, &msg) < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to parse P2P Presence Request");
+		status = P2P_SC_FAIL_INVALID_PARAMS;
+		goto fail;
+	}
+	parsed = 1;
+
+	if (msg.noa == NULL) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No NoA attribute in P2P Presence Request");
+		status = P2P_SC_FAIL_INVALID_PARAMS;
+		goto fail;
+	}
+
+	status = p2p_group_presence_req(group, sa, msg.noa, msg.noa_len);
+
+fail:
+	if (p2p->cfg->get_noa)
+		noa_len = p2p->cfg->get_noa(p2p->cfg->cb_ctx, da, noa,
+					    sizeof(noa));
+	else
+		noa_len = -1;
+	resp = p2p_build_presence_resp(status, noa_len > 0 ? noa : NULL,
+				       noa_len > 0 ? noa_len : 0,
+				       msg.dialog_token);
+	if (parsed)
+		p2p_parse_free(&msg);
+	if (resp == NULL)
+		return;
+
+	p2p->pending_action_state = P2P_NO_PENDING_ACTION;
+	if (p2p_send_action(p2p, rx_freq, sa, da, da,
+			    wpabuf_head(resp), wpabuf_len(resp), 200) < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to send Action frame");
+	}
+	wpabuf_free(resp);
+}
+
+
+static void p2p_process_presence_resp(struct p2p_data *p2p, const u8 *da,
+				      const u8 *sa, const u8 *data, size_t len)
+{
+	struct p2p_message msg;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Received P2P Action - P2P Presence Response");
+
+	if (p2p_parse(data, len, &msg) < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to parse P2P Presence Response");
+		return;
+	}
+
+	if (msg.status == NULL || msg.noa == NULL) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No Status or NoA attribute in P2P Presence "
+			"Response");
+		p2p_parse_free(&msg);
+		return;
+	}
+
+	if (*msg.status) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: P2P Presence Request was rejected: status %u",
+			*msg.status);
+		p2p_parse_free(&msg);
+		return;
+	}
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: P2P Presence Request was accepted");
+	wpa_hexdump(MSG_DEBUG, "P2P: P2P Presence Response - NoA",
+		    msg.noa, msg.noa_len);
+	/* TODO: process NoA */
+	p2p_parse_free(&msg);
+}
+
+
+static void p2p_ext_listen_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct p2p_data *p2p = eloop_ctx;
+
+	if (p2p->ext_listen_interval) {
+		/* Schedule next extended listen timeout */
+		eloop_register_timeout(p2p->ext_listen_interval_sec,
+				       p2p->ext_listen_interval_usec,
+				       p2p_ext_listen_timeout, p2p, NULL);
+	}
+
+	if (p2p->state == P2P_LISTEN_ONLY && p2p->ext_listen_only) {
+		/*
+		 * This should not really happen, but it looks like the Listen
+		 * command may fail is something else (e.g., a scan) was
+		 * running at an inconvenient time. As a workaround, allow new
+		 * Extended Listen operation to be started.
+		 */
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Previous "
+			"Extended Listen operation had not been completed - "
+			"try again");
+		p2p->ext_listen_only = 0;
+		p2p_set_state(p2p, P2P_IDLE);
+	}
+
+	if (p2p->state != P2P_IDLE) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Skip Extended "
+			"Listen timeout in active state (%s)",
+			p2p_state_txt(p2p->state));
+		return;
+	}
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Extended Listen timeout");
+	p2p->ext_listen_only = 1;
+	if (p2p_listen(p2p, p2p->ext_listen_period) < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Failed to start "
+			"Listen state for Extended Listen Timing");
+		p2p->ext_listen_only = 0;
+	}
+}
+
+
+int p2p_ext_listen(struct p2p_data *p2p, unsigned int period,
+		   unsigned int interval)
+{
+	if (period > 65535 || interval > 65535 || period > interval ||
+	    (period == 0 && interval > 0) || (period > 0 && interval == 0)) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Invalid Extended Listen Timing request: "
+			"period=%u interval=%u", period, interval);
+		return -1;
+	}
+
+	eloop_cancel_timeout(p2p_ext_listen_timeout, p2p, NULL);
+
+	if (interval == 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Disabling Extended Listen Timing");
+		p2p->ext_listen_period = 0;
+		p2p->ext_listen_interval = 0;
+		return 0;
+	}
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Enabling Extended Listen Timing: period %u msec, "
+		"interval %u msec", period, interval);
+	p2p->ext_listen_period = period;
+	p2p->ext_listen_interval = interval;
+	p2p->ext_listen_interval_sec = interval / 1000;
+	p2p->ext_listen_interval_usec = (interval % 1000) * 1000;
+
+	eloop_register_timeout(p2p->ext_listen_interval_sec,
+			       p2p->ext_listen_interval_usec,
+			       p2p_ext_listen_timeout, p2p, NULL);
+
+	return 0;
+}
+
+
+void p2p_deauth_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
+		      const u8 *ie, size_t ie_len)
+{
+	struct p2p_message msg;
+
+	if (bssid == NULL || ie == NULL)
+		return;
+
+	os_memset(&msg, 0, sizeof(msg));
+	if (p2p_parse_ies(ie, ie_len, &msg))
+		return;
+	if (msg.minor_reason_code == NULL)
+		return;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_INFO,
+		"P2P: Deauthentication notification BSSID " MACSTR
+		" reason_code=%u minor_reason_code=%u",
+		MAC2STR(bssid), reason_code, *msg.minor_reason_code);
+
+	p2p_parse_free(&msg);
+}
+
+
+void p2p_disassoc_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
+			const u8 *ie, size_t ie_len)
+{
+	struct p2p_message msg;
+
+	if (bssid == NULL || ie == NULL)
+		return;
+
+	os_memset(&msg, 0, sizeof(msg));
+	if (p2p_parse_ies(ie, ie_len, &msg))
+		return;
+	if (msg.minor_reason_code == NULL)
+		return;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_INFO,
+		"P2P: Disassociation notification BSSID " MACSTR
+		" reason_code=%u minor_reason_code=%u",
+		MAC2STR(bssid), reason_code, *msg.minor_reason_code);
+
+	p2p_parse_free(&msg);
+}
+
+
+void p2p_set_managed_oper(struct p2p_data *p2p, int enabled)
+{
+	if (enabled) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Managed P2P "
+			"Device operations enabled");
+		p2p->dev_capab |= P2P_DEV_CAPAB_INFRA_MANAGED;
+	} else {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Managed P2P "
+			"Device operations disabled");
+		p2p->dev_capab &= ~P2P_DEV_CAPAB_INFRA_MANAGED;
+	}
+}
+
+
+int p2p_set_listen_channel(struct p2p_data *p2p, u8 reg_class, u8 channel)
+{
+	if (p2p_channel_to_freq(p2p->cfg->country, reg_class, channel) < 0)
+		return -1;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Set Listen channel: "
+		"reg_class %u channel %u", reg_class, channel);
+	p2p->cfg->reg_class = reg_class;
+	p2p->cfg->channel = channel;
+
+	return 0;
+}
+
+
+int p2p_set_ssid_postfix(struct p2p_data *p2p, const u8 *postfix, size_t len)
+{
+	wpa_hexdump_ascii(MSG_DEBUG, "P2P: New SSID postfix", postfix, len);
+	if (postfix == NULL) {
+		p2p->cfg->ssid_postfix_len = 0;
+		return 0;
+	}
+	if (len > sizeof(p2p->cfg->ssid_postfix))
+		return -1;
+	os_memcpy(p2p->cfg->ssid_postfix, postfix, len);
+	p2p->cfg->ssid_postfix_len = len;
+	return 0;
+}
+
+
+int p2p_get_interface_addr(struct p2p_data *p2p, const u8 *dev_addr,
+			   u8 *iface_addr)
+{
+	struct p2p_device *dev = p2p_get_device(p2p, dev_addr);
+	if (dev == NULL || is_zero_ether_addr(dev->interface_addr))
+		return -1;
+	os_memcpy(iface_addr, dev->interface_addr, ETH_ALEN);
+	return 0;
+}
+
+
+int p2p_get_dev_addr(struct p2p_data *p2p, const u8 *iface_addr,
+			   u8 *dev_addr)
+{
+	struct p2p_device *dev = p2p_get_device_interface(p2p, iface_addr);
+	if (dev == NULL)
+		return -1;
+	os_memcpy(dev_addr, dev->info.p2p_device_addr, ETH_ALEN);
+	return 0;
+}
+
+
+void p2p_set_peer_filter(struct p2p_data *p2p, const u8 *addr)
+{
+	os_memcpy(p2p->peer_filter, addr, ETH_ALEN);
+	if (is_zero_ether_addr(p2p->peer_filter))
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Disable peer "
+			"filter");
+	else
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Enable peer "
+			"filter for " MACSTR, MAC2STR(p2p->peer_filter));
+}
+
+
+void p2p_set_cross_connect(struct p2p_data *p2p, int enabled)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Cross connection %s",
+		enabled ? "enabled" : "disabled");
+	if (p2p->cross_connect == enabled)
+		return;
+	p2p->cross_connect = enabled;
+	/* TODO: may need to tear down any action group where we are GO(?) */
+}
+
+
+int p2p_get_oper_freq(struct p2p_data *p2p, const u8 *iface_addr)
+{
+	struct p2p_device *dev = p2p_get_device_interface(p2p, iface_addr);
+	if (dev == NULL)
+		return -1;
+	if (dev->oper_freq <= 0)
+		return -1;
+	return dev->oper_freq;
+}
+
+
+void p2p_set_intra_bss_dist(struct p2p_data *p2p, int enabled)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Intra BSS distribution %s",
+		enabled ? "enabled" : "disabled");
+	p2p->cfg->p2p_intra_bss = enabled;
+}
+
+
+void p2p_update_channel_list(struct p2p_data *p2p, struct p2p_channels *chan)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Update channel list");
+	os_memcpy(&p2p->cfg->channels, chan, sizeof(struct p2p_channels));
+}
+
+
+int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
+		    const u8 *src, const u8 *bssid, const u8 *buf,
+		    size_t len, unsigned int wait_time)
+{
+	if (p2p->p2p_scan_running) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Delay Action "
+			"frame TX until p2p_scan completes");
+		if (p2p->after_scan_tx) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Dropped "
+				"previous pending Action frame TX");
+			os_free(p2p->after_scan_tx);
+		}
+		p2p->after_scan_tx = os_malloc(sizeof(*p2p->after_scan_tx) +
+					       len);
+		if (p2p->after_scan_tx == NULL)
+			return -1;
+		p2p->after_scan_tx->freq = freq;
+		os_memcpy(p2p->after_scan_tx->dst, dst, ETH_ALEN);
+		os_memcpy(p2p->after_scan_tx->src, src, ETH_ALEN);
+		os_memcpy(p2p->after_scan_tx->bssid, bssid, ETH_ALEN);
+		p2p->after_scan_tx->len = len;
+		p2p->after_scan_tx->wait_time = wait_time;
+		os_memcpy(p2p->after_scan_tx + 1, buf, len);
+		return 0;
+	}
+
+	return p2p->cfg->send_action(p2p->cfg->cb_ctx, freq, dst, src, bssid,
+				     buf, len, wait_time);
+}
+
+
+void p2p_set_best_channels(struct p2p_data *p2p, int freq_24, int freq_5,
+			   int freq_overall)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Best channel: 2.4 GHz: %d,"
+		"  5 GHz: %d,  overall: %d", freq_24, freq_5, freq_overall);
+	p2p->best_freq_24 = freq_24;
+	p2p->best_freq_5 = freq_5;
+	p2p->best_freq_overall = freq_overall;
+}
+
+
+const u8 * p2p_get_go_neg_peer(struct p2p_data *p2p)
+{
+	if (p2p == NULL || p2p->go_neg_peer == NULL)
+		return NULL;
+	return p2p->go_neg_peer->info.p2p_device_addr;
+}
+
+
+const struct p2p_peer_info *
+p2p_get_peer_found(struct p2p_data *p2p, const u8 *addr, int next)
+{
+	struct p2p_device *dev;
+
+	if (addr) {
+		dev = p2p_get_device(p2p, addr);
+		if (!dev)
+			return NULL;
+
+		if (!next) {
+			if (dev->flags & P2P_DEV_PROBE_REQ_ONLY)
+				return NULL;
+
+			return &dev->info;
+		} else {
+			do {
+				dev = dl_list_first(&dev->list,
+						    struct p2p_device,
+						    list);
+				if (&dev->list == &p2p->devices)
+					return NULL;
+			} while (dev->flags & P2P_DEV_PROBE_REQ_ONLY);
+		}
+	} else {
+		dev = dl_list_first(&p2p->devices, struct p2p_device, list);
+		if (!dev)
+			return NULL;
+		while (dev->flags & P2P_DEV_PROBE_REQ_ONLY) {
+			dev = dl_list_first(&dev->list,
+					    struct p2p_device,
+					    list);
+			if (&dev->list == &p2p->devices)
+				return NULL;
+		}
+	}
+
+	return &dev->info;
+}
diff --git a/src/p2p/p2p.h b/src/p2p/p2p.h
new file mode 100644
index 0000000..954f562
--- /dev/null
+++ b/src/p2p/p2p.h
@@ -0,0 +1,1473 @@
+/*
+ * Wi-Fi Direct - P2P module
+ * Copyright (c) 2009-2010, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef P2P_H
+#define P2P_H
+
+/**
+ * P2P_MAX_REG_CLASSES - Maximum number of regulatory classes
+ */
+#define P2P_MAX_REG_CLASSES 10
+
+/**
+ * P2P_MAX_REG_CLASS_CHANNELS - Maximum number of channels per regulatory class
+ */
+#define P2P_MAX_REG_CLASS_CHANNELS 20
+
+/**
+ * struct p2p_channels - List of supported channels
+ */
+struct p2p_channels {
+	/**
+	 * struct p2p_reg_class - Supported regulatory class
+	 */
+	struct p2p_reg_class {
+		/**
+		 * reg_class - Regulatory class (IEEE 802.11-2007, Annex J)
+		 */
+		u8 reg_class;
+
+		/**
+		 * channel - Supported channels
+		 */
+		u8 channel[P2P_MAX_REG_CLASS_CHANNELS];
+
+		/**
+		 * channels - Number of channel entries in use
+		 */
+		size_t channels;
+	} reg_class[P2P_MAX_REG_CLASSES];
+
+	/**
+	 * reg_classes - Number of reg_class entries in use
+	 */
+	size_t reg_classes;
+};
+
+enum p2p_wps_method {
+	WPS_NOT_READY, WPS_PIN_LABEL, WPS_PIN_DISPLAY, WPS_PIN_KEYPAD, WPS_PBC
+};
+
+/**
+ * struct p2p_go_neg_results - P2P Group Owner Negotiation results
+ */
+struct p2p_go_neg_results {
+	/**
+	 * status - Negotiation result (Status Code)
+	 *
+	 * 0 (P2P_SC_SUCCESS) indicates success. Non-zero values indicate
+	 * failed negotiation.
+	 */
+	int status;
+
+	/**
+	 * role_go - Whether local end is Group Owner
+	 */
+	int role_go;
+
+	/**
+	 * freq - Frequency of the group operational channel in MHz
+	 */
+	int freq;
+
+	/**
+	 * ssid - SSID of the group
+	 */
+	u8 ssid[32];
+
+	/**
+	 * ssid_len - Length of SSID in octets
+	 */
+	size_t ssid_len;
+
+	/**
+	 * passphrase - WPA2-Personal passphrase for the group (GO only)
+	 */
+	char passphrase[64];
+
+	/**
+	 * peer_device_addr - P2P Device Address of the peer
+	 */
+	u8 peer_device_addr[ETH_ALEN];
+
+	/**
+	 * peer_interface_addr - P2P Interface Address of the peer
+	 */
+	u8 peer_interface_addr[ETH_ALEN];
+
+	/**
+	 * wps_method - WPS method to be used during provisioning
+	 */
+	enum p2p_wps_method wps_method;
+
+#define P2P_MAX_CHANNELS 50
+
+	/**
+	 * freq_list - Zero-terminated list of possible operational channels
+	 */
+	int freq_list[P2P_MAX_CHANNELS];
+
+	/**
+	 * persistent_group - Whether the group should be made persistent
+	 */
+	int persistent_group;
+
+	/**
+	 * peer_config_timeout - Peer configuration timeout (in 10 msec units)
+	 */
+	unsigned int peer_config_timeout;
+};
+
+struct p2p_data;
+
+enum p2p_scan_type {
+	P2P_SCAN_SOCIAL,
+	P2P_SCAN_FULL,
+	P2P_SCAN_SPECIFIC,
+	P2P_SCAN_SOCIAL_PLUS_ONE
+};
+
+#define P2P_MAX_WPS_VENDOR_EXT 10
+
+/**
+ * struct p2p_peer_info - P2P peer information
+ */
+struct p2p_peer_info {
+	/**
+	 * p2p_device_addr - P2P Device Address of the peer
+	 */
+	u8 p2p_device_addr[ETH_ALEN];
+
+	/**
+	 * pri_dev_type - Primary Device Type
+	 */
+	u8 pri_dev_type[8];
+
+	/**
+	 * device_name - Device Name (0..32 octets encoded in UTF-8)
+	 */
+	char device_name[33];
+
+	/**
+	 * manufacturer - Manufacturer (0..64 octets encoded in UTF-8)
+	 */
+	char manufacturer[65];
+
+	/**
+	 * model_name - Model Name (0..32 octets encoded in UTF-8)
+	 */
+	char model_name[33];
+
+	/**
+	 * model_number - Model Number (0..32 octets encoded in UTF-8)
+	 */
+	char model_number[33];
+
+	/**
+	 * serial_number - Serial Number (0..32 octets encoded in UTF-8)
+	 */
+	char serial_number[33];
+
+	/**
+	 * config_methods - WPS Configuration Methods
+	 */
+	u16 config_methods;
+
+	/**
+	 * dev_capab - Device Capabilities
+	 */
+	u8 dev_capab;
+
+	/**
+	 * group_capab - Group Capabilities
+	 */
+	u8 group_capab;
+
+	/**
+	 * wps_sec_dev_type_list - WPS secondary device type list
+	 *
+	 * This list includes from 0 to 16 Secondary Device Types as indicated
+	 * by wps_sec_dev_type_list_len (8 * number of types).
+	 */
+	u8 wps_sec_dev_type_list[128];
+
+	/**
+	 * wps_sec_dev_type_list_len - Length of secondary device type list
+	 */
+	size_t wps_sec_dev_type_list_len;
+
+	struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
+};
+
+/**
+ * struct p2p_config - P2P configuration
+ *
+ * This configuration is provided to the P2P module during initialization with
+ * p2p_init().
+ */
+struct p2p_config {
+	/**
+	 * country - Country code to use in P2P operations
+	 */
+	char country[3];
+
+	/**
+	 * reg_class - Regulatory class for own listen channel
+	 */
+	u8 reg_class;
+
+	/**
+	 * channel - Own listen channel
+	 */
+	u8 channel;
+
+	/**
+	 * Regulatory class for own operational channel
+	 */
+	u8 op_reg_class;
+
+	/**
+	 * op_channel - Own operational channel
+	 */
+	u8 op_channel;
+
+	/**
+	 * cfg_op_channel - Whether op_channel is hardcoded in configuration
+	 */
+	u8 cfg_op_channel;
+
+	/**
+	 * channels - Own supported regulatory classes and channels
+	 *
+	 * List of supposerted channels per regulatory class. The regulatory
+	 * classes are defined in IEEE Std 802.11-2007 Annex J and the
+	 * numbering of the clases depends on the configured country code.
+	 */
+	struct p2p_channels channels;
+
+	/**
+	 * pri_dev_type - Primary Device Type (see WPS)
+	 */
+	u8 pri_dev_type[8];
+
+	/**
+	 * P2P_SEC_DEVICE_TYPES - Maximum number of secondary device types
+	 */
+#define P2P_SEC_DEVICE_TYPES 5
+
+	/**
+	 * sec_dev_type - Optional secondary device types
+	 */
+	u8 sec_dev_type[P2P_SEC_DEVICE_TYPES][8];
+
+	/**
+	 * num_sec_dev_types - Number of sec_dev_type entries
+	 */
+	size_t num_sec_dev_types;
+
+	/**
+	 * dev_addr - P2P Device Address
+	 */
+	u8 dev_addr[ETH_ALEN];
+
+	/**
+	 * dev_name - Device Name
+	 */
+	char *dev_name;
+
+	char *manufacturer;
+	char *model_name;
+	char *model_number;
+	char *serial_number;
+
+	u8 uuid[16];
+	u16 config_methods;
+
+	/**
+	 * concurrent_operations - Whether concurrent operations are supported
+	 */
+	int concurrent_operations;
+
+	/**
+	 * max_peers - Maximum number of discovered peers to remember
+	 *
+	 * If more peers are discovered, older entries will be removed to make
+	 * room for the new ones.
+	 */
+	size_t max_peers;
+
+	/**
+	 * p2p_intra_bss - Intra BSS communication is supported
+	 */
+	int p2p_intra_bss;
+
+	/**
+	 * ssid_postfix - Postfix data to add to the SSID
+	 *
+	 * This data will be added to the end of the SSID after the
+	 * DIRECT-<random two octets> prefix.
+	 */
+	u8 ssid_postfix[32 - 9];
+
+	/**
+	 * ssid_postfix_len - Length of the ssid_postfix data
+	 */
+	size_t ssid_postfix_len;
+
+	/**
+	 * msg_ctx - Context to use with wpa_msg() calls
+	 */
+	void *msg_ctx;
+
+	/**
+	 * cb_ctx - Context to use with callback functions
+	 */
+	void *cb_ctx;
+
+
+	/* Callbacks to request lower layer driver operations */
+
+	/**
+	 * p2p_scan - Request a P2P scan/search
+	 * @ctx: Callback context from cb_ctx
+	 * @type: Scan type
+	 * @freq: Specific frequency (MHz) to scan or 0 for no restriction
+	 * @num_req_dev_types: Number of requested device types
+	 * @req_dev_types: Array containing requested device types
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This callback function is used to request a P2P scan or search
+	 * operation to be completed. Type type argument specifies which type
+	 * of scan is to be done. @P2P_SCAN_SOCIAL indicates that only the
+	 * social channels (1, 6, 11) should be scanned. @P2P_SCAN_FULL
+	 * indicates that all channels are to be scanned. @P2P_SCAN_SPECIFIC
+	 * request a scan of a single channel specified by freq.
+	 * @P2P_SCAN_SOCIAL_PLUS_ONE request scan of all the social channels
+	 * plus one extra channel specified by freq.
+	 *
+	 * The full scan is used for the initial scan to find group owners from
+	 * all. The other types are used during search phase scan of the social
+	 * channels (with potential variation if the Listen channel of the
+	 * target peer is known or if other channels are scanned in steps).
+	 *
+	 * The scan results are returned after this call by calling
+	 * p2p_scan_res_handler() for each scan result that has a P2P IE and
+	 * then calling p2p_scan_res_handled() to indicate that all scan
+	 * results have been indicated.
+	 */
+	int (*p2p_scan)(void *ctx, enum p2p_scan_type type, int freq,
+			unsigned int num_req_dev_types,
+			const u8 *req_dev_types);
+
+	/**
+	 * send_probe_resp - Transmit a Probe Response frame
+	 * @ctx: Callback context from cb_ctx
+	 * @buf: Probe Response frame (including the header and body)
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function is used to reply to Probe Request frames that were
+	 * indicated with a call to p2p_probe_req_rx(). The response is to be
+	 * sent on the same channel or to be dropped if the driver is not
+	 * anymore listening to Probe Request frames.
+	 *
+	 * Alternatively, the responsibility for building the Probe Response
+	 * frames in Listen state may be in another system component in which
+	 * case this function need to be implemented (i.e., the function
+	 * pointer can be %NULL). The WPS and P2P IEs to be added for Probe
+	 * Response frames in such a case are available from the
+	 * start_listen() callback. It should be noted that the received Probe
+	 * Request frames must be indicated by calling p2p_probe_req_rx() even
+	 * if this send_probe_resp() is not used.
+	 */
+	int (*send_probe_resp)(void *ctx, const struct wpabuf *buf);
+
+	/**
+	 * send_action - Transmit an Action frame
+	 * @ctx: Callback context from cb_ctx
+	 * @freq: Frequency in MHz for the channel on which to transmit
+	 * @dst: Destination MAC address (Address 1)
+	 * @src: Source MAC address (Address 2)
+	 * @bssid: BSSID (Address 3)
+	 * @buf: Frame body (starting from Category field)
+	 * @len: Length of buf in octets
+	 * @wait_time: How many msec to wait for a response frame
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * The Action frame may not be transmitted immediately and the status
+	 * of the transmission must be reported by calling
+	 * p2p_send_action_cb() once the frame has either been transmitted or
+	 * it has been dropped due to excessive retries or other failure to
+	 * transmit.
+	 */
+	int (*send_action)(void *ctx, unsigned int freq, const u8 *dst,
+			   const u8 *src, const u8 *bssid, const u8 *buf,
+			   size_t len, unsigned int wait_time);
+
+	/**
+	 * send_action_done - Notify that Action frame sequence was completed
+	 * @ctx: Callback context from cb_ctx
+	 *
+	 * This function is called when the Action frame sequence that was
+	 * started with send_action() has been completed, i.e., when there is
+	 * no need to wait for a response from the destination peer anymore.
+	 */
+	void (*send_action_done)(void *ctx);
+
+	/**
+	 * start_listen - Start Listen state
+	 * @ctx: Callback context from cb_ctx
+	 * @freq: Frequency of the listen channel in MHz
+	 * @duration: Duration for the Listen state in milliseconds
+	 * @probe_resp_ie: IE(s) to be added to Probe Response frames
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This Listen state may not start immediately since the driver may
+	 * have other pending operations to complete first. Once the Listen
+	 * state has started, p2p_listen_cb() must be called to notify the P2P
+	 * module. Once the Listen state is stopped, p2p_listen_end() must be
+	 * called to notify the P2P module that the driver is not in the Listen
+	 * state anymore.
+	 *
+	 * If the send_probe_resp() is not used for generating the response,
+	 * the IEs from probe_resp_ie need to be added to the end of the Probe
+	 * Response frame body. If send_probe_resp() is used, the probe_resp_ie
+	 * information can be ignored.
+	 */
+	int (*start_listen)(void *ctx, unsigned int freq,
+			    unsigned int duration,
+			    const struct wpabuf *probe_resp_ie);
+	/**
+	 * stop_listen - Stop Listen state
+	 * @ctx: Callback context from cb_ctx
+	 *
+	 * This callback can be used to stop a Listen state operation that was
+	 * previously requested with start_listen().
+	 */
+	void (*stop_listen)(void *ctx);
+
+	/**
+	 * get_noa - Get current Notice of Absence attribute payload
+	 * @ctx: Callback context from cb_ctx
+	 * @interface_addr: P2P Interface Address of the GO
+	 * @buf: Buffer for returning NoA
+	 * @buf_len: Buffer length in octets
+	 * Returns: Number of octets used in buf, 0 to indicate no NoA is being
+	 * advertized, or -1 on failure
+	 *
+	 * This function is used to fetch the current Notice of Absence
+	 * attribute value from GO.
+	 */
+	int (*get_noa)(void *ctx, const u8 *interface_addr, u8 *buf,
+		       size_t buf_len);
+
+	/* Callbacks to notify events to upper layer management entity */
+
+	/**
+	 * dev_found - Notification of a found P2P Device
+	 * @ctx: Callback context from cb_ctx
+	 * @addr: Source address of the message triggering this notification
+	 * @info: P2P peer information
+	 * @new_device: Inform if the peer is newly found
+	 *
+	 * This callback is used to notify that a new P2P Device has been
+	 * found. This may happen, e.g., during Search state based on scan
+	 * results or during Listen state based on receive Probe Request and
+	 * Group Owner Negotiation Request.
+	 */
+	void (*dev_found)(void *ctx, const u8 *addr,
+			  const struct p2p_peer_info *info,
+			  int new_device);
+
+	/**
+	 * dev_lost - Notification of a lost P2P Device
+	 * @ctx: Callback context from cb_ctx
+	 * @dev_addr: P2P Device Address of the lost P2P Device
+	 *
+	 * This callback is used to notify that a P2P Device has been deleted.
+	 */
+	void (*dev_lost)(void *ctx, const u8 *dev_addr);
+
+	/**
+	 * go_neg_req_rx - Notification of a receive GO Negotiation Request
+	 * @ctx: Callback context from cb_ctx
+	 * @src: Source address of the message triggering this notification
+	 * @dev_passwd_id: WPS Device Password ID
+	 *
+	 * This callback is used to notify that a P2P Device is requesting
+	 * group owner negotiation with us, but we do not have all the
+	 * necessary information to start GO Negotiation. This indicates that
+	 * the local user has not authorized the connection yet by providing a
+	 * PIN or PBC button press. This information can be provided with a
+	 * call to p2p_connect().
+	 */
+	void (*go_neg_req_rx)(void *ctx, const u8 *src, u16 dev_passwd_id);
+
+	/**
+	 * go_neg_completed - Notification of GO Negotiation results
+	 * @ctx: Callback context from cb_ctx
+	 * @res: GO Negotiation results
+	 *
+	 * This callback is used to notify that Group Owner Negotiation has
+	 * been completed. Non-zero struct p2p_go_neg_results::status indicates
+	 * failed negotiation. In case of success, this function is responsible
+	 * for creating a new group interface (or using the existing interface
+	 * depending on driver features), setting up the group interface in
+	 * proper mode based on struct p2p_go_neg_results::role_go and
+	 * initializing WPS provisioning either as a Registrar (if GO) or as an
+	 * Enrollee. Successful WPS provisioning must be indicated by calling
+	 * p2p_wps_success_cb(). The callee is responsible for timing out group
+	 * formation if WPS provisioning cannot be completed successfully
+	 * within 15 seconds.
+	 */
+	void (*go_neg_completed)(void *ctx, struct p2p_go_neg_results *res);
+
+	/**
+	 * sd_request - Callback on Service Discovery Request
+	 * @ctx: Callback context from cb_ctx
+	 * @freq: Frequency (in MHz) of the channel
+	 * @sa: Source address of the request
+	 * @dialog_token: Dialog token
+	 * @update_indic: Service Update Indicator from the source of request
+	 * @tlvs: P2P Service Request TLV(s)
+	 * @tlvs_len: Length of tlvs buffer in octets
+	 *
+	 * This callback is used to indicate reception of a service discovery
+	 * request. Response to the query must be indicated by calling
+	 * p2p_sd_response() with the context information from the arguments to
+	 * this callback function.
+	 *
+	 * This callback handler can be set to %NULL to indicate that service
+	 * discovery is not supported.
+	 */
+	void (*sd_request)(void *ctx, int freq, const u8 *sa, u8 dialog_token,
+			   u16 update_indic, const u8 *tlvs, size_t tlvs_len);
+
+	/**
+	 * sd_response - Callback on Service Discovery Response
+	 * @ctx: Callback context from cb_ctx
+	 * @sa: Source address of the request
+	 * @update_indic: Service Update Indicator from the source of response
+	 * @tlvs: P2P Service Response TLV(s)
+	 * @tlvs_len: Length of tlvs buffer in octets
+	 *
+	 * This callback is used to indicate reception of a service discovery
+	 * response. This callback handler can be set to %NULL if no service
+	 * discovery requests are used. The information provided with this call
+	 * is replies to the queries scheduled with p2p_sd_request().
+	 */
+	void (*sd_response)(void *ctx, const u8 *sa, u16 update_indic,
+			    const u8 *tlvs, size_t tlvs_len);
+
+	/**
+	 * prov_disc_req - Callback on Provisiong Discovery Request
+	 * @ctx: Callback context from cb_ctx
+	 * @peer: Source address of the request
+	 * @config_methods: Requested WPS Config Method
+	 * @dev_addr: P2P Device Address of the found P2P Device
+	 * @pri_dev_type: Primary Device Type
+	 * @dev_name: Device Name
+	 * @supp_config_methods: Supported configuration Methods
+	 * @dev_capab: Device Capabilities
+	 * @group_capab: Group Capabilities
+	 *
+	 * This callback is used to indicate reception of a Provision Discovery
+	 * Request frame that the P2P module accepted.
+	 */
+	void (*prov_disc_req)(void *ctx, const u8 *peer, u16 config_methods,
+			      const u8 *dev_addr, const u8 *pri_dev_type,
+			      const char *dev_name, u16 supp_config_methods,
+			      u8 dev_capab, u8 group_capab);
+
+	/**
+	 * prov_disc_resp - Callback on Provisiong Discovery Response
+	 * @ctx: Callback context from cb_ctx
+	 * @peer: Source address of the response
+	 * @config_methods: Value from p2p_prov_disc_req() or 0 on failure
+	 *
+	 * This callback is used to indicate reception of a Provision Discovery
+	 * Response frame for a pending request scheduled with
+	 * p2p_prov_disc_req(). This callback handler can be set to %NULL if
+	 * provision discovery is not used.
+	 */
+	void (*prov_disc_resp)(void *ctx, const u8 *peer, u16 config_methods);
+
+	/**
+	 * invitation_process - Optional callback for processing Invitations
+	 * @ctx: Callback context from cb_ctx
+	 * @sa: Source address of the Invitation Request
+	 * @bssid: P2P Group BSSID from the request or %NULL if not included
+	 * @go_dev_addr: GO Device Address from P2P Group ID
+	 * @ssid: SSID from P2P Group ID
+	 * @ssid_len: Length of ssid buffer in octets
+	 * @go: Variable for returning whether the local end is GO in the group
+	 * @group_bssid: Buffer for returning P2P Group BSSID (if local end GO)
+	 * @force_freq: Variable for returning forced frequency for the group
+	 * @persistent_group: Whether this is an invitation to reinvoke a
+	 *	persistent group (instead of invitation to join an active
+	 *	group)
+	 * Returns: Status code (P2P_SC_*)
+	 *
+	 * This optional callback can be used to implement persistent reconnect
+	 * by allowing automatic restarting of persistent groups without user
+	 * interaction. If this callback is not implemented (i.e., is %NULL),
+	 * the received Invitation Request frames are replied with
+	 * %P2P_SC_REQ_RECEIVED status and indicated to upper layer with the
+	 * invitation_result() callback.
+	 *
+	 * If the requested parameters are acceptable and the group is known,
+	 * %P2P_SC_SUCCESS may be returned. If the requested group is unknown,
+	 * %P2P_SC_FAIL_UNKNOWN_GROUP should be returned. %P2P_SC_REQ_RECEIVED
+	 * can be returned if there is not enough data to provide immediate
+	 * response, i.e., if some sort of user interaction is needed. The
+	 * invitation_received() callback will be called in that case
+	 * immediately after this call.
+	 */
+	u8 (*invitation_process)(void *ctx, const u8 *sa, const u8 *bssid,
+				 const u8 *go_dev_addr, const u8 *ssid,
+				 size_t ssid_len, int *go, u8 *group_bssid,
+				 int *force_freq, int persistent_group);
+
+	/**
+	 * invitation_received - Callback on Invitation Request RX
+	 * @ctx: Callback context from cb_ctx
+	 * @sa: Source address of the Invitation Request
+	 * @bssid: P2P Group BSSID or %NULL if not received
+	 * @ssid: SSID of the group
+	 * @ssid_len: Length of ssid in octets
+	 * @go_dev_addr: GO Device Address
+	 * @status: Response Status
+	 * @op_freq: Operational frequency for the group
+	 *
+	 * This callback is used to indicate sending of an Invitation Response
+	 * for a received Invitation Request. If status == 0 (success), the
+	 * upper layer code is responsible for starting the group. status == 1
+	 * indicates need to get user authorization for the group. Other status
+	 * values indicate that the invitation request was rejected.
+	 */
+	void (*invitation_received)(void *ctx, const u8 *sa, const u8 *bssid,
+				    const u8 *ssid, size_t ssid_len,
+				    const u8 *go_dev_addr, u8 status,
+				    int op_freq);
+
+	/**
+	 * invitation_result - Callback on Invitation result
+	 * @ctx: Callback context from cb_ctx
+	 * @status: Negotiation result (Status Code)
+	 * @bssid: P2P Group BSSID or %NULL if not received
+	 *
+	 * This callback is used to indicate result of an Invitation procedure
+	 * started with a call to p2p_invite(). The indicated status code is
+	 * the value received from the peer in Invitation Response with 0
+	 * (P2P_SC_SUCCESS) indicating success or -1 to indicate a timeout or a
+	 * local failure in transmitting the Invitation Request.
+	 */
+	void (*invitation_result)(void *ctx, int status, const u8 *bssid);
+};
+
+
+/* P2P module initialization/deinitialization */
+
+/**
+ * p2p_init - Initialize P2P module
+ * @cfg: P2P module configuration
+ * Returns: Pointer to private data or %NULL on failure
+ *
+ * This function is used to initialize global P2P module context (one per
+ * device). The P2P module will keep a copy of the configuration data, so the
+ * caller does not need to maintain this structure. However, the callback
+ * functions and the context parameters to them must be kept available until
+ * the P2P module is deinitialized with p2p_deinit().
+ */
+struct p2p_data * p2p_init(const struct p2p_config *cfg);
+
+/**
+ * p2p_deinit - Deinitialize P2P module
+ * @p2p: P2P module context from p2p_init()
+ */
+void p2p_deinit(struct p2p_data *p2p);
+
+/**
+ * p2p_flush - Flush P2P module state
+ * @p2p: P2P module context from p2p_init()
+ *
+ * This command removes the P2P module state like peer device entries.
+ */
+void p2p_flush(struct p2p_data *p2p);
+
+/**
+ * p2p_unauthorize - Unauthorize the specified peer device
+ * @p2p: P2P module context from p2p_init()
+ * @addr: P2P peer entry to be unauthorized
+ * Returns: 0 on success, -1 on failure
+ *
+ * This command removes any connection authorization from the specified P2P
+ * peer device address. This can be used, e.g., to cancel effect of a previous
+ * p2p_authorize() or p2p_connect() call that has not yet resulted in completed
+ * GO Negotiation.
+ */
+int p2p_unauthorize(struct p2p_data *p2p, const u8 *addr);
+
+/**
+ * p2p_set_dev_name - Set device name
+ * @p2p: P2P module context from p2p_init()
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function can be used to update the P2P module configuration with
+ * information that was not available at the time of the p2p_init() call.
+ */
+int p2p_set_dev_name(struct p2p_data *p2p, const char *dev_name);
+
+int p2p_set_manufacturer(struct p2p_data *p2p, const char *manufacturer);
+int p2p_set_model_name(struct p2p_data *p2p, const char *model_name);
+int p2p_set_model_number(struct p2p_data *p2p, const char *model_number);
+int p2p_set_serial_number(struct p2p_data *p2p, const char *serial_number);
+
+void p2p_set_config_methods(struct p2p_data *p2p, u16 config_methods);
+void p2p_set_uuid(struct p2p_data *p2p, const u8 *uuid);
+
+/**
+ * p2p_set_pri_dev_type - Set primary device type
+ * @p2p: P2P module context from p2p_init()
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function can be used to update the P2P module configuration with
+ * information that was not available at the time of the p2p_init() call.
+ */
+int p2p_set_pri_dev_type(struct p2p_data *p2p, const u8 *pri_dev_type);
+
+/**
+ * p2p_set_sec_dev_types - Set secondary device types
+ * @p2p: P2P module context from p2p_init()
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function can be used to update the P2P module configuration with
+ * information that was not available at the time of the p2p_init() call.
+ */
+int p2p_set_sec_dev_types(struct p2p_data *p2p, const u8 dev_types[][8],
+			  size_t num_dev_types);
+
+int p2p_set_country(struct p2p_data *p2p, const char *country);
+
+
+/* Commands from upper layer management entity */
+
+enum p2p_discovery_type {
+	P2P_FIND_START_WITH_FULL,
+	P2P_FIND_ONLY_SOCIAL,
+	P2P_FIND_PROGRESSIVE
+};
+
+/**
+ * p2p_find - Start P2P Find (Device Discovery)
+ * @p2p: P2P module context from p2p_init()
+ * @timeout: Timeout for find operation in seconds or 0 for no timeout
+ * @type: Device Discovery type
+ * @num_req_dev_types: Number of requested device types
+ * @req_dev_types: Requested device types array, must be an array
+ *	containing num_req_dev_types * WPS_DEV_TYPE_LEN bytes; %NULL if no
+ *	requested device types.
+ * Returns: 0 on success, -1 on failure
+ */
+int p2p_find(struct p2p_data *p2p, unsigned int timeout,
+	     enum p2p_discovery_type type,
+	     unsigned int num_req_dev_types, const u8 *req_dev_types);
+
+/**
+ * p2p_stop_find - Stop P2P Find (Device Discovery)
+ * @p2p: P2P module context from p2p_init()
+ */
+void p2p_stop_find(struct p2p_data *p2p);
+
+/**
+ * p2p_stop_find_for_freq - Stop P2P Find for next oper on specific freq
+ * @p2p: P2P module context from p2p_init()
+ * @freq: Frequency in MHz for next operation
+ *
+ * This is like p2p_stop_find(), but Listen state is not stopped if we are
+ * already on the same frequency.
+ */
+void p2p_stop_find_for_freq(struct p2p_data *p2p, int freq);
+
+/**
+ * p2p_listen - Start P2P Listen state for specified duration
+ * @p2p: P2P module context from p2p_init()
+ * @timeout: Listen state duration in milliseconds
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function can be used to request the P2P module to keep the device
+ * discoverable on the listen channel for an extended set of time. At least in
+ * its current form, this is mainly used for testing purposes and may not be of
+ * much use for normal P2P operations.
+ */
+int p2p_listen(struct p2p_data *p2p, unsigned int timeout);
+
+/**
+ * p2p_connect - Start P2P group formation (GO negotiation)
+ * @p2p: P2P module context from p2p_init()
+ * @peer_addr: MAC address of the peer P2P client
+ * @wps_method: WPS method to be used in provisioning
+ * @go_intent: Local GO intent value (1..15)
+ * @own_interface_addr: Intended interface address to use with the group
+ * @force_freq: The only allowed channel frequency in MHz or 0
+ * @persistent_group: Whether to create a persistent group
+ * Returns: 0 on success, -1 on failure
+ */
+int p2p_connect(struct p2p_data *p2p, const u8 *peer_addr,
+		enum p2p_wps_method wps_method,
+		int go_intent, const u8 *own_interface_addr,
+		unsigned int force_freq, int persistent_group);
+
+/**
+ * p2p_authorize - Authorize P2P group formation (GO negotiation)
+ * @p2p: P2P module context from p2p_init()
+ * @peer_addr: MAC address of the peer P2P client
+ * @wps_method: WPS method to be used in provisioning
+ * @go_intent: Local GO intent value (1..15)
+ * @own_interface_addr: Intended interface address to use with the group
+ * @force_freq: The only allowed channel frequency in MHz or 0
+ * @persistent_group: Whether to create a persistent group
+ * Returns: 0 on success, -1 on failure
+ *
+ * This is like p2p_connect(), but the actual group negotiation is not
+ * initiated automatically, i.e., the other end is expected to do that.
+ */
+int p2p_authorize(struct p2p_data *p2p, const u8 *peer_addr,
+		  enum p2p_wps_method wps_method,
+		  int go_intent, const u8 *own_interface_addr,
+		  unsigned int force_freq, int persistent_group);
+
+/**
+ * p2p_reject - Reject peer device (explicitly block connection attempts)
+ * @p2p: P2P module context from p2p_init()
+ * @peer_addr: MAC address of the peer P2P client
+ * Returns: 0 on success, -1 on failure
+ */
+int p2p_reject(struct p2p_data *p2p, const u8 *peer_addr);
+
+/**
+ * p2p_prov_disc_req - Send Provision Discovery Request
+ * @p2p: P2P module context from p2p_init()
+ * @peer_addr: MAC address of the peer P2P client
+ * @config_methods: WPS Config Methods value (only one bit set)
+ * @join: Whether this is used by a client joining an active group
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function can be used to request a discovered P2P peer to display a PIN
+ * (config_methods = WPS_CONFIG_DISPLAY) or be prepared to enter a PIN from us
+ * (config_methods = WPS_CONFIG_KEYPAD). The Provision Discovery Request frame
+ * is transmitted once immediately and if no response is received, the frame
+ * will be sent again whenever the target device is discovered during device
+ * dsicovery (start with a p2p_find() call). Response from the peer is
+ * indicated with the p2p_config::prov_disc_resp() callback.
+ */
+int p2p_prov_disc_req(struct p2p_data *p2p, const u8 *peer_addr,
+		      u16 config_methods, int join);
+
+/**
+ * p2p_sd_request - Schedule a service discovery query
+ * @p2p: P2P module context from p2p_init()
+ * @dst: Destination peer or %NULL to apply for all peers
+ * @tlvs: P2P Service Query TLV(s)
+ * Returns: Reference to the query or %NULL on failure
+ *
+ * Response to the query is indicated with the p2p_config::sd_response()
+ * callback.
+ */
+void * p2p_sd_request(struct p2p_data *p2p, const u8 *dst,
+		      const struct wpabuf *tlvs);
+
+/**
+ * p2p_sd_cancel_request - Cancel a pending service discovery query
+ * @p2p: P2P module context from p2p_init()
+ * @req: Query reference from p2p_sd_request()
+ * Returns: 0 if request for cancelled; -1 if not found
+ */
+int p2p_sd_cancel_request(struct p2p_data *p2p, void *req);
+
+/**
+ * p2p_sd_response - Send response to a service discovery query
+ * @p2p: P2P module context from p2p_init()
+ * @freq: Frequency from p2p_config::sd_request() callback
+ * @dst: Destination address from p2p_config::sd_request() callback
+ * @dialog_token: Dialog token from p2p_config::sd_request() callback
+ * @resp_tlvs: P2P Service Response TLV(s)
+ *
+ * This function is called as a response to the request indicated with
+ * p2p_config::sd_request() callback.
+ */
+void p2p_sd_response(struct p2p_data *p2p, int freq, const u8 *dst,
+		     u8 dialog_token, const struct wpabuf *resp_tlvs);
+
+/**
+ * p2p_sd_service_update - Indicate a change in local services
+ * @p2p: P2P module context from p2p_init()
+ *
+ * This function needs to be called whenever there is a change in availability
+ * of the local services. This will increment the Service Update Indicator
+ * value which will be used in SD Request and Response frames.
+ */
+void p2p_sd_service_update(struct p2p_data *p2p);
+
+
+enum p2p_invite_role {
+	P2P_INVITE_ROLE_GO,
+	P2P_INVITE_ROLE_ACTIVE_GO,
+	P2P_INVITE_ROLE_CLIENT
+};
+
+/**
+ * p2p_invite - Invite a P2P Device into a group
+ * @p2p: P2P module context from p2p_init()
+ * @peer: Device Address of the peer P2P Device
+ * @role: Local role in the group
+ * @bssid: Group BSSID or %NULL if not known
+ * @ssid: Group SSID
+ * @ssid_len: Length of ssid in octets
+ * @force_freq: The only allowed channel frequency in MHz or 0
+ * @go_dev_addr: Forced GO Device Address or %NULL if none
+ * @persistent_group: Whether this is to reinvoke a persistent group
+ * Returns: 0 on success, -1 on failure
+ */
+int p2p_invite(struct p2p_data *p2p, const u8 *peer, enum p2p_invite_role role,
+	       const u8 *bssid, const u8 *ssid, size_t ssid_len,
+	       unsigned int force_freq, const u8 *go_dev_addr,
+	       int persistent_group);
+
+/**
+ * p2p_presence_req - Request GO presence
+ * @p2p: P2P module context from p2p_init()
+ * @go_interface_addr: GO P2P Interface Address
+ * @own_interface_addr: Own P2P Interface Address for this group
+ * @freq: Group operating frequence (in MHz)
+ * @duration1: Preferred presence duration in microseconds
+ * @interval1: Preferred presence interval in microseconds
+ * @duration2: Acceptable presence duration in microseconds
+ * @interval2: Acceptable presence interval in microseconds
+ * Returns: 0 on success, -1 on failure
+ *
+ * If both duration and interval values are zero, the parameter pair is not
+ * specified (i.e., to remove Presence Request, use duration1 = interval1 = 0).
+ */
+int p2p_presence_req(struct p2p_data *p2p, const u8 *go_interface_addr,
+		     const u8 *own_interface_addr, unsigned int freq,
+		     u32 duration1, u32 interval1, u32 duration2,
+		     u32 interval2);
+
+/**
+ * p2p_ext_listen - Set Extended Listen Timing
+ * @p2p: P2P module context from p2p_init()
+ * @freq: Group operating frequence (in MHz)
+ * @period: Availability period in milliseconds (1-65535; 0 to disable)
+ * @interval: Availability interval in milliseconds (1-65535; 0 to disable)
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function can be used to enable or disable (period = interval = 0)
+ * Extended Listen Timing. When enabled, the P2P Device will become
+ * discoverable (go into Listen State) every @interval milliseconds for at
+ * least @period milliseconds.
+ */
+int p2p_ext_listen(struct p2p_data *p2p, unsigned int period,
+		   unsigned int interval);
+
+/* Event notifications from upper layer management operations */
+
+/**
+ * p2p_wps_success_cb - Report successfully completed WPS provisioning
+ * @p2p: P2P module context from p2p_init()
+ * @mac_addr: Peer address
+ *
+ * This function is used to report successfully completed WPS provisioning
+ * during group formation in both GO/Registrar and client/Enrollee roles.
+ */
+void p2p_wps_success_cb(struct p2p_data *p2p, const u8 *mac_addr);
+
+/**
+ * p2p_group_formation_failed - Report failed WPS provisioning
+ * @p2p: P2P module context from p2p_init()
+ *
+ * This function is used to report failed group formation. This can happen
+ * either due to failed WPS provisioning or due to 15 second timeout during
+ * the provisioning phase.
+ */
+void p2p_group_formation_failed(struct p2p_data *p2p);
+
+
+/* Event notifications from lower layer driver operations */
+
+/**
+ * p2p_probe_req_rx - Report reception of a Probe Request frame
+ * @p2p: P2P module context from p2p_init()
+ * @addr: Source MAC address
+ * @ie: Information elements from the Probe Request frame body
+ * @ie_len: Length of ie buffer in octets
+ * Returns: 0 to indicate the frame was not processed or 1 if it was
+ */
+int p2p_probe_req_rx(struct p2p_data *p2p, const u8 *addr, const u8 *ie,
+		     size_t ie_len);
+
+/**
+ * p2p_rx_action - Report received Action frame
+ * @p2p: P2P module context from p2p_init()
+ * @da: Destination address of the received Action frame
+ * @sa: Source address of the received Action frame
+ * @bssid: Address 3 of the received Action frame
+ * @category: Category of the received Action frame
+ * @data: Action frame body after the Category field
+ * @len: Length of the data buffer in octets
+ * @freq: Frequency (in MHz) on which the frame was received
+ */
+void p2p_rx_action(struct p2p_data *p2p, const u8 *da, const u8 *sa,
+		   const u8 *bssid, u8 category,
+		   const u8 *data, size_t len, int freq);
+
+/**
+ * p2p_scan_res_handler - Indicate a P2P scan results
+ * @p2p: P2P module context from p2p_init()
+ * @bssid: BSSID of the scan result
+ * @freq: Frequency of the channel on which the device was found in MHz
+ * @level: Signal level (signal strength of the received Beacon/Probe Response
+ *	frame)
+ * @ies: Pointer to IEs from the scan result
+ * @ies_len: Length of the ies buffer
+ * Returns: 0 to continue or 1 to stop scan result indication
+ *
+ * This function is called to indicate a scan result entry with P2P IE from a
+ * scan requested with struct p2p_config::p2p_scan(). This can be called during
+ * the actual scan process (i.e., whenever a new device is found) or as a
+ * sequence of calls after the full scan has been completed. The former option
+ * can result in optimized operations, but may not be supported by all
+ * driver/firmware designs. The ies buffer need to include at least the P2P IE,
+ * but it is recommended to include all IEs received from the device. The
+ * caller does not need to check that the IEs contain a P2P IE before calling
+ * this function since frames will be filtered internally if needed.
+ *
+ * This function will return 1 if it wants to stop scan result iteration (and
+ * scan in general if it is still in progress). This is used to allow faster
+ * start of a pending operation, e.g., to start a pending GO negotiation.
+ */
+int p2p_scan_res_handler(struct p2p_data *p2p, const u8 *bssid, int freq,
+			 int level, const u8 *ies, size_t ies_len);
+
+/**
+ * p2p_scan_res_handled - Indicate end of scan results
+ * @p2p: P2P module context from p2p_init()
+ *
+ * This function is called to indicate that all P2P scan results from a scan
+ * have been reported with zero or more calls to p2p_scan_res_handler(). This
+ * function must be called as a response to successful
+ * struct p2p_config::p2p_scan() call if none of the p2p_scan_res_handler()
+ * calls stopped iteration.
+ */
+void p2p_scan_res_handled(struct p2p_data *p2p);
+
+enum p2p_send_action_result {
+	P2P_SEND_ACTION_SUCCESS /* Frame was send and acknowledged */,
+	P2P_SEND_ACTION_NO_ACK /* Frame was sent, but not acknowledged */,
+	P2P_SEND_ACTION_FAILED /* Frame was not sent due to a failure */
+};
+
+/**
+ * p2p_send_action_cb - Notify TX status of an Action frame
+ * @p2p: P2P module context from p2p_init()
+ * @freq: Channel frequency in MHz
+ * @dst: Destination MAC address (Address 1)
+ * @src: Source MAC address (Address 2)
+ * @bssid: BSSID (Address 3)
+ * @result: Result of the transmission attempt
+ *
+ * This function is used to indicate the result of an Action frame transmission
+ * that was requested with struct p2p_config::send_action() callback.
+ */
+void p2p_send_action_cb(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
+			const u8 *src, const u8 *bssid,
+			enum p2p_send_action_result result);
+
+/**
+ * p2p_listen_cb - Indicate the start of a requested Listen state
+ * @p2p: P2P module context from p2p_init()
+ * @freq: Listen channel frequency in MHz
+ * @duration: Duration for the Listen state in milliseconds
+ *
+ * This function is used to indicate that a Listen state requested with
+ * struct p2p_config::start_listen() callback has started.
+ */
+void p2p_listen_cb(struct p2p_data *p2p, unsigned int freq,
+		   unsigned int duration);
+
+/**
+ * p2p_listen_end - Indicate the end of a requested Listen state
+ * @p2p: P2P module context from p2p_init()
+ * @freq: Listen channel frequency in MHz
+ * Returns: 0 if no operations were started, 1 if an operation was started
+ *
+ * This function is used to indicate that a Listen state requested with
+ * struct p2p_config::start_listen() callback has ended.
+ */
+int p2p_listen_end(struct p2p_data *p2p, unsigned int freq);
+
+void p2p_deauth_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
+		      const u8 *ie, size_t ie_len);
+
+void p2p_disassoc_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
+			const u8 *ie, size_t ie_len);
+
+
+/* Per-group P2P state for GO */
+
+struct p2p_group;
+
+/**
+ * struct p2p_group_config - P2P group configuration
+ *
+ * This configuration is provided to the P2P module during initialization of
+ * the per-group information with p2p_group_init().
+ */
+struct p2p_group_config {
+	/**
+	 * persistent_group - Whether the group is persistent
+	 */
+	int persistent_group;
+
+	/**
+	 * interface_addr - P2P Interface Address of the group
+	 */
+	u8 interface_addr[ETH_ALEN];
+
+	/**
+	 * max_clients - Maximum number of clients in the group
+	 */
+	unsigned int max_clients;
+
+	/**
+	 * cb_ctx - Context to use with callback functions
+	 */
+	void *cb_ctx;
+
+	/**
+	 * ie_update - Notification of IE update
+	 * @ctx: Callback context from cb_ctx
+	 * @beacon_ies: P2P IE for Beacon frames or %NULL if no change
+	 * @proberesp_ies: P2P Ie for Probe Response frames
+	 *
+	 * P2P module uses this callback function to notify whenever the P2P IE
+	 * in Beacon or Probe Response frames should be updated based on group
+	 * events.
+	 *
+	 * The callee is responsible for freeing the returned buffer(s) with
+	 * wpabuf_free().
+	 */
+	void (*ie_update)(void *ctx, struct wpabuf *beacon_ies,
+			  struct wpabuf *proberesp_ies);
+
+	/**
+	 * idle_update - Notification of changes in group idle state
+	 * @ctx: Callback context from cb_ctx
+	 * @idle: Whether the group is idle (no associated stations)
+	 */
+	void (*idle_update)(void *ctx, int idle);
+};
+
+/**
+ * p2p_group_init - Initialize P2P group
+ * @p2p: P2P module context from p2p_init()
+ * @config: P2P group configuration (will be freed by p2p_group_deinit())
+ * Returns: Pointer to private data or %NULL on failure
+ *
+ * This function is used to initialize per-group P2P module context. Currently,
+ * this is only used to manage GO functionality and P2P clients do not need to
+ * create an instance of this per-group information.
+ */
+struct p2p_group * p2p_group_init(struct p2p_data *p2p,
+				  struct p2p_group_config *config);
+
+/**
+ * p2p_group_deinit - Deinitialize P2P group
+ * @group: P2P group context from p2p_group_init()
+ */
+void p2p_group_deinit(struct p2p_group *group);
+
+/**
+ * p2p_group_notif_assoc - Notification of P2P client association with GO
+ * @group: P2P group context from p2p_group_init()
+ * @addr: Interface address of the P2P client
+ * @ie: IEs from the (Re)association Request frame
+ * @len: Length of the ie buffer in octets
+ * Returns: 0 on success, -1 on failure
+ */
+int p2p_group_notif_assoc(struct p2p_group *group, const u8 *addr,
+			  const u8 *ie, size_t len);
+
+/**
+ * p2p_group_assoc_resp_ie - Build P2P IE for (re)association response
+ * @group: P2P group context from p2p_group_init()
+ * @status: Status value (P2P_SC_SUCCESS if association succeeded)
+ * Returns: P2P IE for (Re)association Response or %NULL on failure
+ *
+ * The caller is responsible for freeing the returned buffer with
+ * wpabuf_free().
+ */
+struct wpabuf * p2p_group_assoc_resp_ie(struct p2p_group *group, u8 status);
+
+/**
+ * p2p_group_notif_disassoc - Notification of P2P client disassociation from GO
+ * @group: P2P group context from p2p_group_init()
+ * @addr: Interface address of the P2P client
+ */
+void p2p_group_notif_disassoc(struct p2p_group *group, const u8 *addr);
+
+/**
+ * p2p_group_notif_formation_done - Notification of completed group formation
+ * @group: P2P group context from p2p_group_init()
+ */
+void p2p_group_notif_formation_done(struct p2p_group *group);
+
+/**
+ * p2p_group_notif_noa - Notification of NoA change
+ * @group: P2P group context from p2p_group_init()
+ * @noa: Notice of Absence attribute payload, %NULL if none
+ * @noa_len: Length of noa buffer in octets
+ * Returns: 0 on success, -1 on failure
+ *
+ * Notify the P2P group management about a new NoA contents. This will be
+ * inserted into the P2P IEs in Beacon and Probe Response frames with rest of
+ * the group information.
+ */
+int p2p_group_notif_noa(struct p2p_group *group, const u8 *noa,
+			size_t noa_len);
+
+/**
+ * p2p_group_match_dev_type - Match device types in group with requested type
+ * @group: P2P group context from p2p_group_init()
+ * @wps: WPS TLVs from Probe Request frame (concatenated WPS IEs)
+ * Returns: 1 on match, 0 on mismatch
+ *
+ * This function can be used to match the Requested Device Type attribute in
+ * WPS IE with the device types of a group member for deciding whether a GO
+ * should reply to a Probe Request frame. Match will be reported if the WPS IE
+ * is not requested any specific device type.
+ */
+int p2p_group_match_dev_type(struct p2p_group *group, struct wpabuf *wps);
+
+/**
+ * p2p_group_go_discover - Send GO Discoverability Request to a group client
+ * @group: P2P group context from p2p_group_init()
+ * Returns: 0 on success (frame scheduled); -1 if client was not found
+ */
+int p2p_group_go_discover(struct p2p_group *group, const u8 *dev_id,
+			  const u8 *searching_dev, int rx_freq);
+
+
+/* Generic helper functions */
+
+/**
+ * p2p_ie_text - Build text format description of P2P IE
+ * @p2p_ie: P2P IE
+ * @buf: Buffer for returning text
+ * @end: Pointer to the end of the buf area
+ * Returns: Number of octets written to the buffer or -1 on failure
+ *
+ * This function can be used to parse P2P IE contents into text format
+ * field=value lines.
+ */
+int p2p_ie_text(struct wpabuf *p2p_ie, char *buf, char *end);
+
+/**
+ * p2p_scan_result_text - Build text format description of P2P IE
+ * @ies: Information elements from scan results
+ * @ies_len: ies buffer length in octets
+ * @buf: Buffer for returning text
+ * @end: Pointer to the end of the buf area
+ * Returns: Number of octets written to the buffer or -1 on failure
+ *
+ * This function can be used to parse P2P IE contents into text format
+ * field=value lines.
+ */
+int p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, char *end);
+
+/**
+ * p2p_assoc_req_ie - Build P2P IE for (Re)Association Request frame
+ * @p2p: P2P module context from p2p_init()
+ * @bssid: BSSID
+ * @buf: Buffer for writing the P2P IE
+ * @len: Maximum buf length in octets
+ * @p2p_group: Whether this is for association with a P2P GO
+ * @p2p_ie: Reassembled P2P IE data from scan results or %NULL if none
+ * Returns: Number of octets written into buf or -1 on failure
+ */
+int p2p_assoc_req_ie(struct p2p_data *p2p, const u8 *bssid, u8 *buf,
+		     size_t len, int p2p_group, struct wpabuf *p2p_ie);
+
+/**
+ * p2p_scan_ie - Build P2P IE for Probe Request
+ * @p2p: P2P module context from p2p_init()
+ * @ies: Buffer for writing P2P IE
+ */
+void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies);
+
+/**
+ * p2p_go_params - Generate random P2P group parameters
+ * @p2p: P2P module context from p2p_init()
+ * @params: Buffer for parameters
+ * Returns: 0 on success, -1 on failure
+ */
+int p2p_go_params(struct p2p_data *p2p, struct p2p_go_neg_results *params);
+
+/**
+ * p2p_get_group_capab - Get Group Capability from P2P IE data
+ * @p2p_ie: P2P IE(s) contents
+ * Returns: Group Capability
+ */
+u8 p2p_get_group_capab(const struct wpabuf *p2p_ie);
+
+/**
+ * p2p_get_cross_connect_disallowed - Does WLAN AP disallows cross connection
+ * @p2p_ie: P2P IE(s) contents
+ * Returns: 0 if cross connection is allow, 1 if not
+ */
+int p2p_get_cross_connect_disallowed(const struct wpabuf *p2p_ie);
+
+/**
+ * p2p_get_go_dev_addr - Get P2P Device Address from P2P IE data
+ * @p2p_ie: P2P IE(s) contents
+ * Returns: Pointer to P2P Device Address or %NULL if not included
+ */
+const u8 * p2p_get_go_dev_addr(const struct wpabuf *p2p_ie);
+
+/**
+ * p2p_get_peer_info - Get P2P peer information in text format
+ * @p2p: P2P module context from p2p_init()
+ * @addr: P2P Device Address of the peer or %NULL to indicate the first peer
+ * @next: Whether to select the peer entry following the one indicated by addr
+ * @buf: Buffer for returning text
+ * @buflen: Maximum buffer length
+ * Returns: Number of octets written to the buffer or -1 on failure
+ */
+int p2p_get_peer_info(struct p2p_data *p2p, const u8 *addr, int next,
+		      char *buf, size_t buflen);
+
+/**
+ * p2p_set_client_discoverability - Set client discoverability capability
+ * @p2p: P2P module context from p2p_init()
+ * @enabled: Whether client discoverability will be enabled
+ *
+ * This function can be used to disable (and re-enable) client discoverability.
+ * This capability is enabled by default and should not be disabled in normal
+ * use cases, i.e., this is mainly for testing purposes.
+ */
+void p2p_set_client_discoverability(struct p2p_data *p2p, int enabled);
+
+/**
+ * p2p_set_manageD_oper - Set managed P2P Device operations capability
+ * @p2p: P2P module context from p2p_init()
+ * @enabled: Whether managed P2P Device operations will be enabled
+ */
+void p2p_set_managed_oper(struct p2p_data *p2p, int enabled);
+
+int p2p_set_listen_channel(struct p2p_data *p2p, u8 reg_class, u8 channel);
+
+int p2p_set_ssid_postfix(struct p2p_data *p2p, const u8 *postfix, size_t len);
+
+int p2p_get_interface_addr(struct p2p_data *p2p, const u8 *dev_addr,
+			   u8 *iface_addr);
+int p2p_get_dev_addr(struct p2p_data *p2p, const u8 *iface_addr,
+			   u8 *dev_addr);
+
+void p2p_set_peer_filter(struct p2p_data *p2p, const u8 *addr);
+
+/**
+ * p2p_set_cross_connect - Set cross connection capability
+ * @p2p: P2P module context from p2p_init()
+ * @enabled: Whether cross connection will be enabled
+ */
+void p2p_set_cross_connect(struct p2p_data *p2p, int enabled);
+
+int p2p_get_oper_freq(struct p2p_data *p2p, const u8 *iface_addr);
+
+int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, int level,
+		   const u8 *ies, size_t ies_len);
+
+/**
+ * p2p_set_intra_bss_dist - Set intra BSS distribution
+ * @p2p: P2P module context from p2p_init()
+ * @enabled: Whether intra BSS distribution will be enabled
+ */
+void p2p_set_intra_bss_dist(struct p2p_data *p2p, int enabled);
+
+/**
+ * p2p_supported_freq - Check whether channel is supported for P2P
+ * @p2p: P2P module context from p2p_init()
+ * @freq: Channel frequency in MHz
+ * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
+ */
+int p2p_supported_freq(struct p2p_data *p2p, unsigned int freq);
+
+void p2p_update_channel_list(struct p2p_data *p2p, struct p2p_channels *chan);
+
+/**
+ * p2p_set_best_channels - Update best channel information
+ * @p2p: P2P module context from p2p_init()
+ * @freq_24: Frequency (MHz) of best channel in 2.4 GHz band
+ * @freq_5: Frequency (MHz) of best channel in 5 GHz band
+ * @freq_overall: Frequency (MHz) of best channel overall
+ */
+void p2p_set_best_channels(struct p2p_data *p2p, int freq_24, int freq_5,
+			   int freq_overall);
+
+const u8 * p2p_get_go_neg_peer(struct p2p_data *p2p);
+
+/**
+ * p2p_get_group_num_members - Get number of members in group
+ * @group: P2P group context from p2p_group_init()
+ * Returns: Number of members in the group
+ */
+unsigned int p2p_get_group_num_members(struct p2p_group *group);
+
+/**
+ * p2p_iterate_group_members - Iterate group members
+ * @group: P2P group context from p2p_group_init()
+ * @next: iteration pointer, must be a pointer to a void * that is set to %NULL
+ *	on the first call and not modified later
+ * Returns: A P2P Interface Address for each call and %NULL for no more members
+ */
+const u8 * p2p_iterate_group_members(struct p2p_group *group, void **next);
+
+/**
+ * p2p_get_peer_found - Get P2P peer info structure of a found peer
+ * @p2p: P2P module context from p2p_init()
+ * @addr: P2P Device Address of the peer or %NULL to indicate the first peer
+ * @next: Whether to select the peer entry following the one indicated by addr
+ * Returns: The first P2P peer info available or %NULL if no such peer exists
+ */
+const struct p2p_peer_info *
+p2p_get_peer_found(struct p2p_data *p2p, const u8 *addr, int next);
+
+/**
+ * p2p_remove_wps_vendor_extensions - Remove WPS vendor extensions
+ * @p2p: P2P module context from p2p_init()
+ */
+void p2p_remove_wps_vendor_extensions(struct p2p_data *p2p);
+
+/**
+ * p2p_add_wps_vendor_extension - Add a WPS vendor extension
+ * @p2p: P2P module context from p2p_init()
+ * @vendor_ext: The vendor extensions to add
+ * Returns: 0 on success, -1 on failure
+ *
+ * The wpabuf structures in the array are owned by the P2P
+ * module after this call.
+ */
+int p2p_add_wps_vendor_extension(struct p2p_data *p2p,
+				 const struct wpabuf *vendor_ext);
+
+#endif /* P2P_H */
diff --git a/src/p2p/p2p_build.c b/src/p2p/p2p_build.c
new file mode 100644
index 0000000..c34db91
--- /dev/null
+++ b/src/p2p/p2p_build.c
@@ -0,0 +1,431 @@
+/*
+ * P2P - IE builder
+ * Copyright (c) 2009-2010, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "common/ieee802_11_defs.h"
+#include "wps/wps_i.h"
+#include "p2p_i.h"
+
+
+void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token)
+{
+	wpabuf_put_u8(buf, WLAN_ACTION_VENDOR_SPECIFIC);
+	wpabuf_put_be24(buf, OUI_WFA);
+	wpabuf_put_u8(buf, P2P_OUI_TYPE);
+
+	wpabuf_put_u8(buf, subtype); /* OUI Subtype */
+	wpabuf_put_u8(buf, dialog_token);
+	wpa_printf(MSG_DEBUG, "P2P: * Dialog Token: %d", dialog_token);
+}
+
+
+void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,
+				   u8 dialog_token)
+{
+	wpabuf_put_u8(buf, WLAN_ACTION_PUBLIC);
+	wpabuf_put_u8(buf, WLAN_PA_VENDOR_SPECIFIC);
+	wpabuf_put_be24(buf, OUI_WFA);
+	wpabuf_put_u8(buf, P2P_OUI_TYPE);
+
+	wpabuf_put_u8(buf, subtype); /* OUI Subtype */
+	wpabuf_put_u8(buf, dialog_token);
+	wpa_printf(MSG_DEBUG, "P2P: * Dialog Token: %d", dialog_token);
+}
+
+
+u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf)
+{
+	u8 *len;
+
+	/* P2P IE header */
+	wpabuf_put_u8(buf, WLAN_EID_VENDOR_SPECIFIC);
+	len = wpabuf_put(buf, 1); /* IE length to be filled */
+	wpabuf_put_be24(buf, OUI_WFA);
+	wpabuf_put_u8(buf, P2P_OUI_TYPE);
+	wpa_printf(MSG_DEBUG, "P2P: * P2P IE header");
+	return len;
+}
+
+
+void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len)
+{
+	/* Update P2P IE Length */
+	*len = (u8 *) wpabuf_put(buf, 0) - len - 1;
+}
+
+
+void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab)
+{
+	/* P2P Capability */
+	wpabuf_put_u8(buf, P2P_ATTR_CAPABILITY);
+	wpabuf_put_le16(buf, 2);
+	wpabuf_put_u8(buf, dev_capab); /* Device Capabilities */
+	wpabuf_put_u8(buf, group_capab); /* Group Capabilities */
+	wpa_printf(MSG_DEBUG, "P2P: * Capability dev=%02x group=%02x",
+		   dev_capab, group_capab);
+}
+
+
+void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent)
+{
+	/* Group Owner Intent */
+	wpabuf_put_u8(buf, P2P_ATTR_GROUP_OWNER_INTENT);
+	wpabuf_put_le16(buf, 1);
+	wpabuf_put_u8(buf, go_intent);
+	wpa_printf(MSG_DEBUG, "P2P: * GO Intent: Intent %u Tie breaker %u",
+		   go_intent >> 1, go_intent & 0x01);
+}
+
+
+void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,
+				u8 reg_class, u8 channel)
+{
+	/* Listen Channel */
+	wpabuf_put_u8(buf, P2P_ATTR_LISTEN_CHANNEL);
+	wpabuf_put_le16(buf, 5);
+	wpabuf_put_data(buf, country, 3);
+	wpabuf_put_u8(buf, reg_class); /* Regulatory Class */
+	wpabuf_put_u8(buf, channel); /* Channel Number */
+	wpa_printf(MSG_DEBUG, "P2P: * Listen Channel: Regulatory Class %u "
+		   "Channel %u", reg_class, channel);
+}
+
+
+void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,
+				   u8 reg_class, u8 channel)
+{
+	/* Operating Channel */
+	wpabuf_put_u8(buf, P2P_ATTR_OPERATING_CHANNEL);
+	wpabuf_put_le16(buf, 5);
+	wpabuf_put_data(buf, country, 3);
+	wpabuf_put_u8(buf, reg_class); /* Regulatory Class */
+	wpabuf_put_u8(buf, channel); /* Channel Number */
+	wpa_printf(MSG_DEBUG, "P2P: * Operating Channel: Regulatory Class %u "
+		   "Channel %u", reg_class, channel);
+}
+
+
+void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,
+			      struct p2p_channels *chan)
+{
+	u8 *len;
+	size_t i;
+
+	/* Channel List */
+	wpabuf_put_u8(buf, P2P_ATTR_CHANNEL_LIST);
+	len = wpabuf_put(buf, 2); /* IE length to be filled */
+	wpabuf_put_data(buf, country, 3); /* Country String */
+
+	for (i = 0; i < chan->reg_classes; i++) {
+		struct p2p_reg_class *c = &chan->reg_class[i];
+		wpabuf_put_u8(buf, c->reg_class);
+		wpabuf_put_u8(buf, c->channels);
+		wpabuf_put_data(buf, c->channel, c->channels);
+	}
+
+	/* Update attribute length */
+	WPA_PUT_LE16(len, (u8 *) wpabuf_put(buf, 0) - len - 2);
+	wpa_printf(MSG_DEBUG, "P2P: * Channel List");
+}
+
+
+void p2p_buf_add_status(struct wpabuf *buf, u8 status)
+{
+	/* Status */
+	wpabuf_put_u8(buf, P2P_ATTR_STATUS);
+	wpabuf_put_le16(buf, 1);
+	wpabuf_put_u8(buf, status);
+	wpa_printf(MSG_DEBUG, "P2P: * Status: %d", status);
+}
+
+
+void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,
+			     struct p2p_device *peer)
+{
+	u8 *len;
+	u16 methods;
+	size_t nlen, i;
+
+	/* P2P Device Info */
+	wpabuf_put_u8(buf, P2P_ATTR_DEVICE_INFO);
+	len = wpabuf_put(buf, 2); /* IE length to be filled */
+
+	/* P2P Device address */
+	wpabuf_put_data(buf, p2p->cfg->dev_addr, ETH_ALEN);
+
+	/* Config Methods */
+	methods = 0;
+	if (peer && peer->wps_method != WPS_NOT_READY) {
+		if (peer->wps_method == WPS_PBC)
+			methods |= WPS_CONFIG_PUSHBUTTON;
+		else if (peer->wps_method == WPS_PIN_LABEL)
+			methods |= WPS_CONFIG_LABEL;
+		else if (peer->wps_method == WPS_PIN_DISPLAY ||
+			 peer->wps_method == WPS_PIN_KEYPAD)
+			methods |= WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD;
+	} else {
+		methods |= WPS_CONFIG_PUSHBUTTON;
+		methods |= WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD;
+	}
+	wpabuf_put_be16(buf, methods);
+
+	/* Primary Device Type */
+	wpabuf_put_data(buf, p2p->cfg->pri_dev_type,
+			sizeof(p2p->cfg->pri_dev_type));
+
+	/* Number of Secondary Device Types */
+	wpabuf_put_u8(buf, p2p->cfg->num_sec_dev_types);
+
+	/* Secondary Device Type List */
+	for (i = 0; i < p2p->cfg->num_sec_dev_types; i++)
+		wpabuf_put_data(buf, p2p->cfg->sec_dev_type[i],
+				WPS_DEV_TYPE_LEN);
+
+	/* Device Name */
+	nlen = p2p->cfg->dev_name ? os_strlen(p2p->cfg->dev_name) : 0;
+	wpabuf_put_be16(buf, ATTR_DEV_NAME);
+	wpabuf_put_be16(buf, nlen);
+	wpabuf_put_data(buf, p2p->cfg->dev_name, nlen);
+
+	/* Update attribute length */
+	WPA_PUT_LE16(len, (u8 *) wpabuf_put(buf, 0) - len - 2);
+	wpa_printf(MSG_DEBUG, "P2P: * Device Info");
+}
+
+
+void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr)
+{
+	/* P2P Device ID */
+	wpabuf_put_u8(buf, P2P_ATTR_DEVICE_ID);
+	wpabuf_put_le16(buf, ETH_ALEN);
+	wpabuf_put_data(buf, dev_addr, ETH_ALEN);
+	wpa_printf(MSG_DEBUG, "P2P: * Device ID: " MACSTR, MAC2STR(dev_addr));
+}
+
+
+void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,
+				u8 client_timeout)
+{
+	/* Configuration Timeout */
+	wpabuf_put_u8(buf, P2P_ATTR_CONFIGURATION_TIMEOUT);
+	wpabuf_put_le16(buf, 2);
+	wpabuf_put_u8(buf, go_timeout);
+	wpabuf_put_u8(buf, client_timeout);
+	wpa_printf(MSG_DEBUG, "P2P: * Configuration Timeout: GO %d (*10ms)  "
+		   "client %d (*10ms)", go_timeout, client_timeout);
+}
+
+
+void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr)
+{
+	/* Intended P2P Interface Address */
+	wpabuf_put_u8(buf, P2P_ATTR_INTENDED_INTERFACE_ADDR);
+	wpabuf_put_le16(buf, ETH_ALEN);
+	wpabuf_put_data(buf, interface_addr, ETH_ALEN);
+	wpa_printf(MSG_DEBUG, "P2P: * Intended P2P Interface Address " MACSTR,
+		   MAC2STR(interface_addr));
+}
+
+
+void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid)
+{
+	/* P2P Group BSSID */
+	wpabuf_put_u8(buf, P2P_ATTR_GROUP_BSSID);
+	wpabuf_put_le16(buf, ETH_ALEN);
+	wpabuf_put_data(buf, bssid, ETH_ALEN);
+	wpa_printf(MSG_DEBUG, "P2P: * P2P Group BSSID " MACSTR,
+		   MAC2STR(bssid));
+}
+
+
+void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,
+			  const u8 *ssid, size_t ssid_len)
+{
+	/* P2P Group ID */
+	wpabuf_put_u8(buf, P2P_ATTR_GROUP_ID);
+	wpabuf_put_le16(buf, ETH_ALEN + ssid_len);
+	wpabuf_put_data(buf, dev_addr, ETH_ALEN);
+	wpabuf_put_data(buf, ssid, ssid_len);
+	wpa_printf(MSG_DEBUG, "P2P: * P2P Group ID " MACSTR,
+		   MAC2STR(dev_addr));
+}
+
+
+void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags)
+{
+	/* Invitation Flags */
+	wpabuf_put_u8(buf, P2P_ATTR_INVITATION_FLAGS);
+	wpabuf_put_le16(buf, 1);
+	wpabuf_put_u8(buf, flags);
+	wpa_printf(MSG_DEBUG, "P2P: * Invitation Flags: bitmap 0x%x", flags);
+}
+
+
+static void p2p_buf_add_noa_desc(struct wpabuf *buf, struct p2p_noa_desc *desc)
+{
+	if (desc == NULL)
+		return;
+
+	wpabuf_put_u8(buf, desc->count_type);
+	wpabuf_put_le32(buf, desc->duration);
+	wpabuf_put_le32(buf, desc->interval);
+	wpabuf_put_le32(buf, desc->start_time);
+}
+
+
+void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,
+		     struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2)
+{
+	/* Notice of Absence */
+	wpabuf_put_u8(buf, P2P_ATTR_NOTICE_OF_ABSENCE);
+	wpabuf_put_le16(buf, 2 + (desc1 ? 13 : 0) + (desc2 ? 13 : 0));
+	wpabuf_put_u8(buf, noa_index);
+	wpabuf_put_u8(buf, (opp_ps ? 0x80 : 0) | (ctwindow & 0x7f));
+	p2p_buf_add_noa_desc(buf, desc1);
+	p2p_buf_add_noa_desc(buf, desc2);
+	wpa_printf(MSG_DEBUG, "P2P: * Notice of Absence");
+}
+
+
+void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
+				   u16 interval)
+{
+	/* Extended Listen Timing */
+	wpabuf_put_u8(buf, P2P_ATTR_EXT_LISTEN_TIMING);
+	wpabuf_put_le16(buf, 4);
+	wpabuf_put_le16(buf, period);
+	wpabuf_put_le16(buf, interval);
+	wpa_printf(MSG_DEBUG, "P2P: * Extended Listen Timing (period %u msec  "
+		   "interval %u msec)", period, interval);
+}
+
+
+void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p)
+{
+	/* P2P Interface */
+	wpabuf_put_u8(buf, P2P_ATTR_INTERFACE);
+	wpabuf_put_le16(buf, ETH_ALEN + 1 + ETH_ALEN);
+	/* P2P Device address */
+	wpabuf_put_data(buf, p2p->cfg->dev_addr, ETH_ALEN);
+	/*
+	 * FIX: Fetch interface address list from driver. Do not include
+	 * the P2P Device address if it is never used as interface address.
+	 */
+	/* P2P Interface Address Count */
+	wpabuf_put_u8(buf, 1);
+	wpabuf_put_data(buf, p2p->cfg->dev_addr, ETH_ALEN);
+}
+
+
+static void p2p_add_wps_string(struct wpabuf *buf, enum wps_attribute attr,
+			       const char *val)
+{
+	size_t len;
+
+	wpabuf_put_be16(buf, attr);
+	len = val ? os_strlen(val) : 0;
+#ifndef CONFIG_WPS_STRICT
+	if (len == 0) {
+		/*
+		 * Some deployed WPS implementations fail to parse zeor-length
+		 * attributes. As a workaround, send a space character if the
+		 * device attribute string is empty.
+		 */
+		wpabuf_put_be16(buf, 1);
+		wpabuf_put_u8(buf, ' ');
+		return;
+	}
+#endif /* CONFIG_WPS_STRICT */
+	wpabuf_put_be16(buf, len);
+	if (val)
+		wpabuf_put_data(buf, val, len);
+}
+
+
+void p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, u16 pw_id,
+		      int all_attr)
+{
+	u8 *len;
+	int i;
+
+	wpabuf_put_u8(buf, WLAN_EID_VENDOR_SPECIFIC);
+	len = wpabuf_put(buf, 1);
+	wpabuf_put_be32(buf, WPS_DEV_OUI_WFA);
+
+	wps_build_version(buf);
+
+	if (all_attr) {
+		wpabuf_put_be16(buf, ATTR_WPS_STATE);
+		wpabuf_put_be16(buf, 1);
+		wpabuf_put_u8(buf, WPS_STATE_NOT_CONFIGURED);
+	}
+
+	/* Device Password ID */
+	wpabuf_put_be16(buf, ATTR_DEV_PASSWORD_ID);
+	wpabuf_put_be16(buf, 2);
+	wpa_printf(MSG_DEBUG, "P2P: WPS IE Device Password ID: %d", pw_id);
+	wpabuf_put_be16(buf, pw_id);
+
+	if (all_attr) {
+		wpabuf_put_be16(buf, ATTR_RESPONSE_TYPE);
+		wpabuf_put_be16(buf, 1);
+		wpabuf_put_u8(buf, WPS_RESP_ENROLLEE_INFO);
+
+		wps_build_uuid_e(buf, p2p->cfg->uuid);
+		p2p_add_wps_string(buf, ATTR_MANUFACTURER,
+				   p2p->cfg->manufacturer);
+		p2p_add_wps_string(buf, ATTR_MODEL_NAME, p2p->cfg->model_name);
+		p2p_add_wps_string(buf, ATTR_MODEL_NUMBER,
+				   p2p->cfg->model_number);
+		p2p_add_wps_string(buf, ATTR_SERIAL_NUMBER,
+				   p2p->cfg->serial_number);
+
+		wpabuf_put_be16(buf, ATTR_PRIMARY_DEV_TYPE);
+		wpabuf_put_be16(buf, WPS_DEV_TYPE_LEN);
+		wpabuf_put_data(buf, p2p->cfg->pri_dev_type, WPS_DEV_TYPE_LEN);
+
+		p2p_add_wps_string(buf, ATTR_DEV_NAME, p2p->cfg->dev_name);
+
+		wpabuf_put_be16(buf, ATTR_CONFIG_METHODS);
+		wpabuf_put_be16(buf, 2);
+		wpabuf_put_be16(buf, p2p->cfg->config_methods);
+	}
+
+	wps_build_wfa_ext(buf, 0, NULL, 0);
+
+	if (all_attr && p2p->cfg->num_sec_dev_types) {
+		wpabuf_put_be16(buf, ATTR_SECONDARY_DEV_TYPE_LIST);
+		wpabuf_put_be16(buf, WPS_DEV_TYPE_LEN *
+				p2p->cfg->num_sec_dev_types);
+		wpabuf_put_data(buf, p2p->cfg->sec_dev_type,
+				WPS_DEV_TYPE_LEN *
+				p2p->cfg->num_sec_dev_types);
+	}
+
+	/* Add the WPS vendor extensions */
+	for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
+		if (p2p->wps_vendor_ext[i] == NULL)
+			break;
+		if (wpabuf_tailroom(buf) <
+		    4 + wpabuf_len(p2p->wps_vendor_ext[i]))
+			continue;
+		wpabuf_put_be16(buf, ATTR_VENDOR_EXT);
+		wpabuf_put_be16(buf, wpabuf_len(p2p->wps_vendor_ext[i]));
+		wpabuf_put_buf(buf, p2p->wps_vendor_ext[i]);
+	}
+
+	p2p_buf_update_ie_hdr(buf, len);
+}
diff --git a/src/p2p/p2p_dev_disc.c b/src/p2p/p2p_dev_disc.c
new file mode 100644
index 0000000..47cc0fd
--- /dev/null
+++ b/src/p2p/p2p_dev_disc.c
@@ -0,0 +1,365 @@
+/*
+ * Wi-Fi Direct - P2P Device Discoverability procedure
+ * Copyright (c) 2010, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "common/ieee802_11_defs.h"
+#include "p2p_i.h"
+#include "p2p.h"
+
+
+static struct wpabuf * p2p_build_dev_disc_req(struct p2p_data *p2p,
+					      struct p2p_device *go,
+					      const u8 *dev_id)
+{
+	struct wpabuf *buf;
+	u8 *len;
+
+	buf = wpabuf_alloc(100);
+	if (buf == NULL)
+		return NULL;
+
+	go->dialog_token++;
+	if (go->dialog_token == 0)
+		go->dialog_token = 1;
+	p2p_buf_add_public_action_hdr(buf, P2P_DEV_DISC_REQ, go->dialog_token);
+
+	len = p2p_buf_add_ie_hdr(buf);
+	p2p_buf_add_device_id(buf, dev_id);
+	p2p_buf_add_group_id(buf, go->info.p2p_device_addr, go->oper_ssid,
+			     go->oper_ssid_len);
+	p2p_buf_update_ie_hdr(buf, len);
+
+	return buf;
+}
+
+
+void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Device Discoverability Request TX callback: success=%d",
+		success);
+
+	if (!success) {
+		/*
+		 * Use P2P find, if needed, to find the other device or to
+		 * retry device discoverability.
+		 */
+		p2p_set_state(p2p, P2P_CONNECT);
+		p2p_set_timeout(p2p, 0, 100000);
+		return;
+	}
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: GO acknowledged Device Discoverability Request - wait "
+		"for response");
+	/*
+	 * TODO: is the remain-on-channel from Action frame TX long enough for
+	 * most cases or should we try to increase its duration and/or start
+	 * another remain-on-channel if needed once the previous one expires?
+	 */
+}
+
+
+int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev)
+{
+	struct p2p_device *go;
+	struct wpabuf *req;
+
+	go = p2p_get_device(p2p, dev->member_in_go_dev);
+	if (go == NULL || dev->oper_freq <= 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Could not find peer entry for GO and frequency "
+			"to send Device Discoverability Request");
+		return -1;
+	}
+
+	req = p2p_build_dev_disc_req(p2p, go, dev->info.p2p_device_addr);
+	if (req == NULL)
+		return -1;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Sending Device Discoverability Request to GO " MACSTR
+		" for client " MACSTR,
+		MAC2STR(go->info.p2p_device_addr),
+		MAC2STR(dev->info.p2p_device_addr));
+
+	p2p->pending_client_disc_go = go;
+	os_memcpy(p2p->pending_client_disc_addr, dev->info.p2p_device_addr,
+		  ETH_ALEN);
+	p2p->pending_action_state = P2P_PENDING_DEV_DISC_REQUEST;
+	if (p2p_send_action(p2p, dev->oper_freq, go->info.p2p_device_addr,
+			    p2p->cfg->dev_addr, go->info.p2p_device_addr,
+			    wpabuf_head(req), wpabuf_len(req), 1000) < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to send Action frame");
+		wpabuf_free(req);
+		/* TODO: how to recover from failure? */
+		return -1;
+	}
+
+	wpabuf_free(req);
+
+	return 0;
+}
+
+
+static struct wpabuf * p2p_build_dev_disc_resp(u8 dialog_token, u8 status)
+{
+	struct wpabuf *buf;
+	u8 *len;
+
+	buf = wpabuf_alloc(100);
+	if (buf == NULL)
+		return NULL;
+
+	p2p_buf_add_public_action_hdr(buf, P2P_DEV_DISC_RESP, dialog_token);
+
+	len = p2p_buf_add_ie_hdr(buf);
+	p2p_buf_add_status(buf, status);
+	p2p_buf_update_ie_hdr(buf, len);
+
+	return buf;
+}
+
+
+void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Device Discoverability Response TX callback: success=%d",
+		success);
+	p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+}
+
+
+static void p2p_send_dev_disc_resp(struct p2p_data *p2p, u8 dialog_token,
+				   const u8 *addr, int freq, u8 status)
+{
+	struct wpabuf *resp;
+
+	resp = p2p_build_dev_disc_resp(dialog_token, status);
+	if (resp == NULL)
+		return;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Sending Device Discoverability Response to " MACSTR
+		" (status %u freq %d)",
+		MAC2STR(addr), status, freq);
+
+	p2p->pending_action_state = P2P_PENDING_DEV_DISC_RESPONSE;
+	if (p2p_send_action(p2p, freq, addr, p2p->cfg->dev_addr,
+			    p2p->cfg->dev_addr,
+			    wpabuf_head(resp), wpabuf_len(resp), 200) < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to send Action frame");
+	}
+
+	wpabuf_free(resp);
+}
+
+
+void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa,
+			      const u8 *data, size_t len, int rx_freq)
+{
+	struct p2p_message msg;
+	size_t g;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Received Device Discoverability Request from " MACSTR
+		" (freq=%d)", MAC2STR(sa), rx_freq);
+
+	if (p2p_parse(data, len, &msg))
+		return;
+
+	if (msg.dialog_token == 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Invalid Dialog Token 0 (must be nonzero) in "
+			"Device Discoverability Request");
+		p2p_send_dev_disc_resp(p2p, msg.dialog_token, sa, rx_freq,
+				       P2P_SC_FAIL_INVALID_PARAMS);
+		p2p_parse_free(&msg);
+		return;
+	}
+
+	if (msg.device_id == NULL) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: P2P Device ID attribute missing from Device "
+			"Discoverability Request");
+		p2p_send_dev_disc_resp(p2p, msg.dialog_token, sa, rx_freq,
+				       P2P_SC_FAIL_INVALID_PARAMS);
+		p2p_parse_free(&msg);
+		return;
+	}
+
+	for (g = 0; g < p2p->num_groups; g++) {
+		if (p2p_group_go_discover(p2p->groups[g], msg.device_id, sa,
+					  rx_freq) == 0) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Scheduled "
+				"GO Discoverability Request for the target "
+				"device");
+			/*
+			 * P2P group code will use a callback to indicate TX
+			 * status, so that we can reply to the request once the
+			 * target client has acknowledged the request or it has
+			 * timed out.
+			 */
+			p2p->pending_dev_disc_dialog_token = msg.dialog_token;
+			os_memcpy(p2p->pending_dev_disc_addr, sa, ETH_ALEN);
+			p2p->pending_dev_disc_freq = rx_freq;
+			p2p_parse_free(&msg);
+			return;
+		}
+	}
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Requested client "
+		"was not found in any group or did not support client "
+		"discoverability");
+	p2p_send_dev_disc_resp(p2p, msg.dialog_token, sa, rx_freq,
+			       P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE);
+	p2p_parse_free(&msg);
+}
+
+
+void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa,
+			       const u8 *data, size_t len)
+{
+	struct p2p_message msg;
+	struct p2p_device *go;
+	u8 status;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Received Device Discoverability Response from " MACSTR,
+		MAC2STR(sa));
+
+	go = p2p->pending_client_disc_go;
+	if (go == NULL ||
+	    os_memcmp(sa, go->info.p2p_device_addr, ETH_ALEN) != 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Ignore unexpected "
+			"Device Discoverability Response");
+		return;
+	}
+
+	if (p2p_parse(data, len, &msg))
+		return;
+
+	if (msg.status == NULL) {
+		p2p_parse_free(&msg);
+		return;
+	}
+
+	if (msg.dialog_token != go->dialog_token) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Ignore Device "
+			"Discoverability Response with unexpected dialog "
+			"token %u (expected %u)",
+			msg.dialog_token, go->dialog_token);
+		p2p_parse_free(&msg);
+		return;
+	}
+
+	status = *msg.status;
+	p2p_parse_free(&msg);
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Device Discoverability Response status %u", status);
+
+	if (p2p->go_neg_peer == NULL ||
+	    os_memcmp(p2p->pending_client_disc_addr,
+		      p2p->go_neg_peer->info.p2p_device_addr, ETH_ALEN) != 0 ||
+	    os_memcmp(p2p->go_neg_peer->member_in_go_dev,
+		      go->info.p2p_device_addr, ETH_ALEN) != 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: No pending "
+			"operation with the client discoverability peer "
+			"anymore");
+		return;
+	}
+
+	if (status == 0) {
+		/*
+		 * Peer is expected to be awake for at least 100 TU; try to
+		 * connect immediately.
+		 */
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Client discoverability request succeeded");
+		if (p2p->state == P2P_CONNECT) {
+			/*
+			 * Change state to force the timeout to start in
+			 * P2P_CONNECT again without going through the short
+			 * Listen state.
+			 */
+			p2p_set_state(p2p, P2P_CONNECT_LISTEN);
+			p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+		}
+		p2p_set_timeout(p2p, 0, 0);
+	} else {
+		/*
+		 * Client discoverability request failed; try to connect from
+		 * timeout.
+		 */
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Client discoverability request failed");
+		p2p_set_timeout(p2p, 0, 500000);
+	}
+
+}
+
+
+void p2p_go_disc_req_cb(struct p2p_data *p2p, int success)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: GO Discoverability Request TX callback: success=%d",
+		success);
+	p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+
+	if (p2p->pending_dev_disc_dialog_token == 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: No pending Device "
+			"Discoverability Request");
+		return;
+	}
+
+	p2p_send_dev_disc_resp(p2p, p2p->pending_dev_disc_dialog_token,
+			       p2p->pending_dev_disc_addr,
+			       p2p->pending_dev_disc_freq,
+			       success ? P2P_SC_SUCCESS :
+			       P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE);
+
+	p2p->pending_dev_disc_dialog_token = 0;
+}
+
+
+void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa,
+			     const u8 *data, size_t len, int rx_freq)
+{
+	unsigned int tu;
+	struct wpabuf *ies;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Received GO Discoverability Request - remain awake for "
+		"100 TU");
+
+	ies = p2p_build_probe_resp_ies(p2p);
+	if (ies == NULL)
+		return;
+
+	/* Remain awake 100 TU on operating channel */
+	p2p->pending_client_disc_freq = rx_freq;
+	tu = 100;
+	if (p2p->cfg->start_listen(p2p->cfg->cb_ctx, rx_freq, 1024 * tu / 1000,
+		    ies) < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to start listen mode for client "
+			"discoverability");
+	}
+	wpabuf_free(ies);
+}
diff --git a/src/p2p/p2p_go_neg.c b/src/p2p/p2p_go_neg.c
new file mode 100644
index 0000000..1c96486
--- /dev/null
+++ b/src/p2p/p2p_go_neg.c
@@ -0,0 +1,1127 @@
+/*
+ * Wi-Fi Direct - P2P Group Owner Negotiation
+ * Copyright (c) 2009-2010, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "common/ieee802_11_defs.h"
+#include "wps/wps_defs.h"
+#include "p2p_i.h"
+#include "p2p.h"
+
+
+static int p2p_go_det(u8 own_intent, u8 peer_value)
+{
+	u8 peer_intent = peer_value >> 1;
+	if (own_intent == peer_intent) {
+		if (own_intent == P2P_MAX_GO_INTENT)
+			return -1; /* both devices want to become GO */
+
+		/* Use tie breaker bit to determine GO */
+		return (peer_value & 0x01) ? 0 : 1;
+	}
+
+	return own_intent > peer_intent;
+}
+
+
+int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own,
+			    struct p2p_device *dev,
+			    const u8 *channel_list, size_t channel_list_len)
+{
+	const u8 *pos, *end;
+	struct p2p_channels *ch;
+	size_t channels;
+	struct p2p_channels intersection;
+
+	ch = &dev->channels;
+	os_memset(ch, 0, sizeof(*ch));
+	pos = channel_list;
+	end = channel_list + channel_list_len;
+
+	if (end - pos < 3)
+		return -1;
+	os_memcpy(dev->country, pos, 3);
+	wpa_hexdump_ascii(MSG_DEBUG, "P2P: Peer country", pos, 3);
+	if (pos[2] != 0x04 && os_memcmp(pos, p2p->cfg->country, 2) != 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_INFO,
+			"P2P: Mismatching country (ours=%c%c peer's=%c%c)",
+			p2p->cfg->country[0], p2p->cfg->country[1],
+			pos[0], pos[1]);
+		return -1;
+	}
+	pos += 3;
+
+	while (pos + 2 < end) {
+		struct p2p_reg_class *cl = &ch->reg_class[ch->reg_classes];
+		cl->reg_class = *pos++;
+		if (pos + 1 + pos[0] > end) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_INFO,
+				"P2P: Invalid peer Channel List");
+			return -1;
+		}
+		channels = *pos++;
+		cl->channels = channels > P2P_MAX_REG_CLASS_CHANNELS ?
+			P2P_MAX_REG_CLASS_CHANNELS : channels;
+		os_memcpy(cl->channel, pos, cl->channels);
+		pos += channels;
+		ch->reg_classes++;
+		if (ch->reg_classes == P2P_MAX_REG_CLASSES)
+			break;
+	}
+
+	p2p_channels_intersect(own, &dev->channels, &intersection);
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Own reg_classes %d "
+		"peer reg_classes %d intersection reg_classes %d",
+		(int) own->reg_classes,
+		(int) dev->channels.reg_classes,
+		(int) intersection.reg_classes);
+	if (intersection.reg_classes == 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_INFO,
+			"P2P: No common channels found");
+		return -1;
+	}
+	return 0;
+}
+
+
+static int p2p_peer_channels(struct p2p_data *p2p, struct p2p_device *dev,
+			     const u8 *channel_list, size_t channel_list_len)
+{
+	return p2p_peer_channels_check(p2p, &p2p->channels, dev,
+				       channel_list, channel_list_len);
+}
+
+
+static u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method)
+{
+	switch (wps_method) {
+	case WPS_PIN_LABEL:
+		return DEV_PW_DEFAULT;
+	case WPS_PIN_DISPLAY:
+		return DEV_PW_REGISTRAR_SPECIFIED;
+	case WPS_PIN_KEYPAD:
+		return DEV_PW_USER_SPECIFIED;
+	case WPS_PBC:
+		return DEV_PW_PUSHBUTTON;
+	default:
+		return DEV_PW_DEFAULT;
+	}
+}
+
+
+static const char * p2p_wps_method_str(enum p2p_wps_method wps_method)
+{
+	switch (wps_method) {
+	case WPS_PIN_LABEL:
+		return "Label";
+	case WPS_PIN_DISPLAY:
+		return "Display";
+	case WPS_PIN_KEYPAD:
+		return "Keypad";
+	case WPS_PBC:
+		return "PBC";
+	default:
+		return "??";
+	}
+}
+
+
+static struct wpabuf * p2p_build_go_neg_req(struct p2p_data *p2p,
+					    struct p2p_device *peer)
+{
+	struct wpabuf *buf;
+	u8 *len;
+	u8 group_capab;
+
+	buf = wpabuf_alloc(1000);
+	if (buf == NULL)
+		return NULL;
+
+	peer->dialog_token++;
+	if (peer->dialog_token == 0)
+		peer->dialog_token = 1;
+	p2p_buf_add_public_action_hdr(buf, P2P_GO_NEG_REQ, peer->dialog_token);
+
+	len = p2p_buf_add_ie_hdr(buf);
+	group_capab = 0;
+	if (peer->flags & P2P_DEV_PREFER_PERSISTENT_GROUP)
+		group_capab |= P2P_GROUP_CAPAB_PERSISTENT_GROUP;
+	if (p2p->cross_connect)
+		group_capab |= P2P_GROUP_CAPAB_CROSS_CONN;
+	if (p2p->cfg->p2p_intra_bss)
+		group_capab |= P2P_GROUP_CAPAB_INTRA_BSS_DIST;
+	p2p_buf_add_capability(buf, p2p->dev_capab, group_capab);
+	p2p_buf_add_go_intent(buf, (p2p->go_intent << 1) |
+			      p2p->next_tie_breaker);
+	p2p->next_tie_breaker = !p2p->next_tie_breaker;
+	p2p_buf_add_config_timeout(buf, 100, 20);
+	p2p_buf_add_listen_channel(buf, p2p->cfg->country, p2p->cfg->reg_class,
+				   p2p->cfg->channel);
+	if (p2p->ext_listen_interval)
+		p2p_buf_add_ext_listen_timing(buf, p2p->ext_listen_period,
+					      p2p->ext_listen_interval);
+	p2p_buf_add_intended_addr(buf, p2p->intended_addr);
+	p2p_buf_add_channel_list(buf, p2p->cfg->country, &p2p->channels);
+	p2p_buf_add_device_info(buf, p2p, peer);
+	p2p_buf_add_operating_channel(buf, p2p->cfg->country,
+				      p2p->op_reg_class, p2p->op_channel);
+	p2p_buf_update_ie_hdr(buf, len);
+
+	/* WPS IE with Device Password ID attribute */
+	p2p_build_wps_ie(p2p, buf, p2p_wps_method_pw_id(peer->wps_method), 0);
+
+	return buf;
+}
+
+
+int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev)
+{
+	struct wpabuf *req;
+	int freq;
+
+	freq = dev->listen_freq > 0 ? dev->listen_freq : dev->oper_freq;
+	if (freq <= 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No Listen/Operating frequency known for the "
+			"peer " MACSTR " to send GO Negotiation Request",
+			MAC2STR(dev->info.p2p_device_addr));
+		return -1;
+	}
+
+	req = p2p_build_go_neg_req(p2p, dev);
+	if (req == NULL)
+		return -1;
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Sending GO Negotiation Request");
+	p2p_set_state(p2p, P2P_CONNECT);
+	p2p->pending_action_state = P2P_PENDING_GO_NEG_REQUEST;
+	p2p->go_neg_peer = dev;
+	dev->flags |= P2P_DEV_WAIT_GO_NEG_RESPONSE;
+	dev->connect_reqs++;
+	if (p2p_send_action(p2p, freq, dev->info.p2p_device_addr,
+			    p2p->cfg->dev_addr, dev->info.p2p_device_addr,
+			    wpabuf_head(req), wpabuf_len(req), 200) < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to send Action frame");
+		/* Use P2P find to recover and retry */
+		p2p_set_timeout(p2p, 0, 0);
+	}
+
+	wpabuf_free(req);
+
+	return 0;
+}
+
+
+static struct wpabuf * p2p_build_go_neg_resp(struct p2p_data *p2p,
+					     struct p2p_device *peer,
+					     u8 dialog_token, u8 status,
+					     u8 tie_breaker)
+{
+	struct wpabuf *buf;
+	u8 *len;
+	u8 group_capab;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Building GO Negotiation Response");
+	buf = wpabuf_alloc(1000);
+	if (buf == NULL)
+		return NULL;
+
+	p2p_buf_add_public_action_hdr(buf, P2P_GO_NEG_RESP, dialog_token);
+
+	len = p2p_buf_add_ie_hdr(buf);
+	p2p_buf_add_status(buf, status);
+	group_capab = 0;
+	if (peer && peer->go_state == LOCAL_GO) {
+		if (peer->flags & P2P_DEV_PREFER_PERSISTENT_GROUP)
+			group_capab |= P2P_GROUP_CAPAB_PERSISTENT_GROUP;
+		if (p2p->cross_connect)
+			group_capab |= P2P_GROUP_CAPAB_CROSS_CONN;
+		if (p2p->cfg->p2p_intra_bss)
+			group_capab |= P2P_GROUP_CAPAB_INTRA_BSS_DIST;
+	}
+	p2p_buf_add_capability(buf, p2p->dev_capab, group_capab);
+	p2p_buf_add_go_intent(buf, (p2p->go_intent << 1) | tie_breaker);
+	p2p_buf_add_config_timeout(buf, 100, 20);
+	if (peer && peer->go_state == REMOTE_GO) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Omit Operating "
+			"Channel attribute");
+	} else {
+		p2p_buf_add_operating_channel(buf, p2p->cfg->country,
+					      p2p->op_reg_class,
+					      p2p->op_channel);
+	}
+	p2p_buf_add_intended_addr(buf, p2p->intended_addr);
+	if (status || peer == NULL) {
+		p2p_buf_add_channel_list(buf, p2p->cfg->country,
+					 &p2p->channels);
+	} else if (peer->go_state == REMOTE_GO) {
+		p2p_buf_add_channel_list(buf, p2p->cfg->country,
+					 &p2p->channels);
+	} else {
+		struct p2p_channels res;
+		p2p_channels_intersect(&p2p->channels, &peer->channels,
+				       &res);
+		p2p_buf_add_channel_list(buf, p2p->cfg->country, &res);
+	}
+	p2p_buf_add_device_info(buf, p2p, peer);
+	if (peer && peer->go_state == LOCAL_GO) {
+		p2p_buf_add_group_id(buf, p2p->cfg->dev_addr, p2p->ssid,
+				     p2p->ssid_len);
+	}
+	p2p_buf_update_ie_hdr(buf, len);
+
+	/* WPS IE with Device Password ID attribute */
+	p2p_build_wps_ie(p2p, buf,
+			 p2p_wps_method_pw_id(peer ? peer->wps_method :
+					      WPS_NOT_READY), 0);
+
+	return buf;
+}
+
+
+static void p2p_reselect_channel(struct p2p_data *p2p,
+				 struct p2p_channels *intersection)
+{
+	struct p2p_reg_class *cl;
+	int freq;
+	u8 op_reg_class, op_channel;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Selected operating "
+		"channel (reg_class %u channel %u) not acceptable to the "
+		"peer", p2p->op_reg_class, p2p->op_channel);
+
+	/* First, try to pick the best channel from another band */
+	freq = p2p_channel_to_freq(p2p->cfg->country, p2p->op_reg_class,
+				   p2p->op_channel);
+	if (freq >= 2400 && freq < 2500 && p2p->best_freq_5 > 0 &&
+	    p2p_freq_to_channel(p2p->cfg->country, p2p->best_freq_5,
+				&op_reg_class, &op_channel) == 0 &&
+	    p2p_channels_includes(intersection, op_reg_class, op_channel)) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Pick best 5 GHz "
+			"channel (reg_class %u channel %u) from intersection",
+			op_reg_class, op_channel);
+		p2p->op_reg_class = op_reg_class;
+		p2p->op_channel = op_channel;
+		return;
+	}
+
+	if (freq >= 4900 && freq < 6000 && p2p->best_freq_24 > 0 &&
+	    p2p_freq_to_channel(p2p->cfg->country, p2p->best_freq_24,
+				&op_reg_class, &op_channel) == 0 &&
+	    p2p_channels_includes(intersection, op_reg_class, op_channel)) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Pick best 2.4 GHz "
+			"channel (reg_class %u channel %u) from intersection",
+			op_reg_class, op_channel);
+		p2p->op_reg_class = op_reg_class;
+		p2p->op_channel = op_channel;
+		return;
+	}
+
+	/*
+	 * Fall back to whatever is included in the channel intersection since
+	 * no better options seems to be available.
+	 */
+	cl = &intersection->reg_class[0];
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Pick another channel "
+		"(reg_class %u channel %u) from intersection",
+		cl->reg_class, cl->channel[0]);
+	p2p->op_reg_class = cl->reg_class;
+	p2p->op_channel = cl->channel[0];
+}
+
+
+void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa,
+			    const u8 *data, size_t len, int rx_freq)
+{
+	struct p2p_device *dev = NULL;
+	struct wpabuf *resp;
+	struct p2p_message msg;
+	u8 status = P2P_SC_FAIL_INVALID_PARAMS;
+	int tie_breaker = 0;
+	int freq;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Received GO Negotiation Request from " MACSTR
+		"(freq=%d)", MAC2STR(sa), rx_freq);
+
+	if (p2p_parse(data, len, &msg))
+		return;
+
+	if (!msg.capability) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Mandatory Capability attribute missing from GO "
+			"Negotiation Request");
+#ifdef CONFIG_P2P_STRICT
+		goto fail;
+#endif /* CONFIG_P2P_STRICT */
+	}
+
+	if (msg.go_intent)
+		tie_breaker = *msg.go_intent & 0x01;
+	else {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Mandatory GO Intent attribute missing from GO "
+			"Negotiation Request");
+#ifdef CONFIG_P2P_STRICT
+		goto fail;
+#endif /* CONFIG_P2P_STRICT */
+	}
+
+	if (!msg.config_timeout) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Mandatory Configuration Timeout attribute "
+			"missing from GO Negotiation Request");
+#ifdef CONFIG_P2P_STRICT
+		goto fail;
+#endif /* CONFIG_P2P_STRICT */
+	}
+
+	if (!msg.listen_channel) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No Listen Channel attribute received");
+		goto fail;
+	}
+	if (!msg.operating_channel) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No Operating Channel attribute received");
+		goto fail;
+	}
+	if (!msg.channel_list) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No Channel List attribute received");
+		goto fail;
+	}
+	if (!msg.intended_addr) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No Intended P2P Interface Address attribute "
+			"received");
+		goto fail;
+	}
+	if (!msg.p2p_device_info) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No P2P Device Info attribute received");
+		goto fail;
+	}
+
+	if (os_memcmp(msg.p2p_device_addr, sa, ETH_ALEN) != 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unexpected GO Negotiation Request SA=" MACSTR
+			" != dev_addr=" MACSTR,
+			MAC2STR(sa), MAC2STR(msg.p2p_device_addr));
+		goto fail;
+	}
+
+	dev = p2p_get_device(p2p, sa);
+
+	if (msg.status && *msg.status) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unexpected Status attribute (%d) in GO "
+			"Negotiation Request", *msg.status);
+		goto fail;
+	}
+
+	if (dev == NULL)
+		dev = p2p_add_dev_from_go_neg_req(p2p, sa, &msg);
+	else if (dev->flags & P2P_DEV_PROBE_REQ_ONLY)
+		p2p_add_dev_info(p2p, sa, dev, &msg);
+	if (dev && dev->flags & P2P_DEV_USER_REJECTED) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: User has rejected this peer");
+		status = P2P_SC_FAIL_REJECTED_BY_USER;
+	} else if (dev == NULL || dev->wps_method == WPS_NOT_READY) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Not ready for GO negotiation with " MACSTR,
+			MAC2STR(sa));
+		status = P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
+		if (dev)
+			dev->flags |= P2P_DEV_PEER_WAITING_RESPONSE;
+		p2p->cfg->go_neg_req_rx(p2p->cfg->cb_ctx, sa,
+					msg.dev_password_id);
+	} else if (p2p->go_neg_peer && p2p->go_neg_peer != dev) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Already in Group Formation with another peer");
+		status = P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
+	} else {
+		int go;
+
+		if (!p2p->go_neg_peer) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Starting "
+				"GO Negotiation with previously authorized "
+				"peer");
+			if (!(dev->flags & P2P_DEV_FORCE_FREQ)) {
+				wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+					"P2P: Use default channel settings");
+				p2p->op_reg_class = p2p->cfg->op_reg_class;
+				p2p->op_channel = p2p->cfg->op_channel;
+				os_memcpy(&p2p->channels, &p2p->cfg->channels,
+					  sizeof(struct p2p_channels));
+			} else {
+				wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+					"P2P: Use previously configured "
+					"forced channel settings");
+			}
+		}
+
+		dev->flags &= ~P2P_DEV_NOT_YET_READY;
+
+		if (!msg.go_intent) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: No GO Intent attribute received");
+			goto fail;
+		}
+		if ((*msg.go_intent >> 1) > P2P_MAX_GO_INTENT) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Invalid GO Intent value (%u) received",
+				*msg.go_intent >> 1);
+			goto fail;
+		}
+
+		if (dev->go_neg_req_sent &&
+		    os_memcmp(sa, p2p->cfg->dev_addr, ETH_ALEN) > 0) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Do not reply since peer has higher "
+				"address and GO Neg Request already sent");
+			p2p_parse_free(&msg);
+			return;
+		}
+
+		go = p2p_go_det(p2p->go_intent, *msg.go_intent);
+		if (go < 0) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Incompatible GO Intent");
+			status = P2P_SC_FAIL_BOTH_GO_INTENT_15;
+			goto fail;
+		}
+
+		if (p2p_peer_channels(p2p, dev, msg.channel_list,
+				      msg.channel_list_len) < 0) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: No common channels found");
+			status = P2P_SC_FAIL_NO_COMMON_CHANNELS;
+			goto fail;
+		}
+
+		switch (msg.dev_password_id) {
+		case DEV_PW_DEFAULT:
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: PIN from peer Label");
+			if (dev->wps_method != WPS_PIN_KEYPAD) {
+				wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+					"P2P: We have wps_method=%s -> "
+					"incompatible",
+					p2p_wps_method_str(dev->wps_method));
+				status = P2P_SC_FAIL_INCOMPATIBLE_PROV_METHOD;
+				goto fail;
+			}
+			break;
+		case DEV_PW_REGISTRAR_SPECIFIED:
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: PIN from peer Display");
+			if (dev->wps_method != WPS_PIN_KEYPAD) {
+				wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+					"P2P: We have wps_method=%s -> "
+					"incompatible",
+					p2p_wps_method_str(dev->wps_method));
+				status = P2P_SC_FAIL_INCOMPATIBLE_PROV_METHOD;
+				goto fail;
+			}
+			break;
+		case DEV_PW_USER_SPECIFIED:
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Peer entered PIN on Keypad");
+			if (dev->wps_method != WPS_PIN_LABEL &&
+			    dev->wps_method != WPS_PIN_DISPLAY) {
+				wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+					"P2P: We have wps_method=%s -> "
+					"incompatible",
+					p2p_wps_method_str(dev->wps_method));
+				status = P2P_SC_FAIL_INCOMPATIBLE_PROV_METHOD;
+				goto fail;
+			}
+			break;
+		case DEV_PW_PUSHBUTTON:
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Peer using pushbutton");
+			if (dev->wps_method != WPS_PBC) {
+				wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+					"P2P: We have wps_method=%s -> "
+					"incompatible",
+					p2p_wps_method_str(dev->wps_method));
+				status = P2P_SC_FAIL_INCOMPATIBLE_PROV_METHOD;
+				goto fail;
+			}
+			break;
+		default:
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Unsupported Device Password ID %d",
+				msg.dev_password_id);
+			status = P2P_SC_FAIL_INCOMPATIBLE_PROV_METHOD;
+			goto fail;
+		}
+
+		if (go) {
+			struct p2p_channels intersection;
+			size_t i;
+			p2p_channels_intersect(&p2p->channels, &dev->channels,
+					       &intersection);
+			if (intersection.reg_classes == 0 ||
+			    intersection.reg_class[0].channels == 0) {
+				status = P2P_SC_FAIL_NO_COMMON_CHANNELS;
+				wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+					"P2P: No common channels found");
+				goto fail;
+			}
+			for (i = 0; i < intersection.reg_classes; i++) {
+				struct p2p_reg_class *c;
+				c = &intersection.reg_class[i];
+				wpa_printf(MSG_DEBUG, "P2P: reg_class %u",
+					   c->reg_class);
+				wpa_hexdump(MSG_DEBUG, "P2P: channels",
+					    c->channel, c->channels);
+			}
+			if (!p2p_channels_includes(&intersection,
+						   p2p->op_reg_class,
+						   p2p->op_channel))
+				p2p_reselect_channel(p2p, &intersection);
+
+			p2p_build_ssid(p2p, p2p->ssid, &p2p->ssid_len);
+		}
+
+		dev->go_state = go ? LOCAL_GO : REMOTE_GO;
+		dev->oper_freq = p2p_channel_to_freq((const char *)
+						     msg.operating_channel,
+						     msg.operating_channel[3],
+						     msg.operating_channel[4]);
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Peer operating "
+			"channel preference: %d MHz", dev->oper_freq);
+
+		if (msg.config_timeout) {
+			dev->go_timeout = msg.config_timeout[0];
+			dev->client_timeout = msg.config_timeout[1];
+		}
+
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: GO Negotiation with " MACSTR, MAC2STR(sa));
+		if (p2p->state != P2P_IDLE)
+			p2p_stop_find_for_freq(p2p, rx_freq);
+		p2p_set_state(p2p, P2P_GO_NEG);
+		p2p_clear_timeout(p2p);
+		dev->dialog_token = msg.dialog_token;
+		os_memcpy(dev->intended_addr, msg.intended_addr, ETH_ALEN);
+		p2p->go_neg_peer = dev;
+		status = P2P_SC_SUCCESS;
+	}
+
+fail:
+	if (dev)
+		dev->status = status;
+	resp = p2p_build_go_neg_resp(p2p, dev, msg.dialog_token, status,
+				     !tie_breaker);
+	p2p_parse_free(&msg);
+	if (resp == NULL)
+		return;
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Sending GO Negotiation Response");
+	if (rx_freq > 0)
+		freq = rx_freq;
+	else
+		freq = p2p_channel_to_freq(p2p->cfg->country,
+					   p2p->cfg->reg_class,
+					   p2p->cfg->channel);
+	if (freq < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unknown regulatory class/channel");
+		wpabuf_free(resp);
+		return;
+	}
+	if (status == P2P_SC_SUCCESS) {
+		p2p->pending_action_state = P2P_PENDING_GO_NEG_RESPONSE;
+		dev->flags |= P2P_DEV_WAIT_GO_NEG_CONFIRM;
+	} else
+		p2p->pending_action_state =
+			P2P_PENDING_GO_NEG_RESPONSE_FAILURE;
+	if (p2p_send_action(p2p, freq, sa, p2p->cfg->dev_addr,
+			    p2p->cfg->dev_addr,
+			    wpabuf_head(resp), wpabuf_len(resp), 200) < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to send Action frame");
+	}
+
+	wpabuf_free(resp);
+}
+
+
+static struct wpabuf * p2p_build_go_neg_conf(struct p2p_data *p2p,
+					     struct p2p_device *peer,
+					     u8 dialog_token, u8 status,
+					     const u8 *resp_chan, int go)
+{
+	struct wpabuf *buf;
+	u8 *len;
+	struct p2p_channels res;
+	u8 group_capab;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Building GO Negotiation Confirm");
+	buf = wpabuf_alloc(1000);
+	if (buf == NULL)
+		return NULL;
+
+	p2p_buf_add_public_action_hdr(buf, P2P_GO_NEG_CONF, dialog_token);
+
+	len = p2p_buf_add_ie_hdr(buf);
+	p2p_buf_add_status(buf, status);
+	group_capab = 0;
+	if (peer->go_state == LOCAL_GO) {
+		if (peer->flags & P2P_DEV_PREFER_PERSISTENT_GROUP)
+			group_capab |= P2P_GROUP_CAPAB_PERSISTENT_GROUP;
+		if (p2p->cross_connect)
+			group_capab |= P2P_GROUP_CAPAB_CROSS_CONN;
+		if (p2p->cfg->p2p_intra_bss)
+			group_capab |= P2P_GROUP_CAPAB_INTRA_BSS_DIST;
+	}
+	p2p_buf_add_capability(buf, p2p->dev_capab, group_capab);
+	if (go || resp_chan == NULL)
+		p2p_buf_add_operating_channel(buf, p2p->cfg->country,
+					      p2p->op_reg_class,
+					      p2p->op_channel);
+	else
+		p2p_buf_add_operating_channel(buf, (const char *) resp_chan,
+					      resp_chan[3], resp_chan[4]);
+	p2p_channels_intersect(&p2p->channels, &peer->channels, &res);
+	p2p_buf_add_channel_list(buf, p2p->cfg->country, &res);
+	if (go) {
+		p2p_buf_add_group_id(buf, p2p->cfg->dev_addr, p2p->ssid,
+				     p2p->ssid_len);
+	}
+	p2p_buf_update_ie_hdr(buf, len);
+
+	return buf;
+}
+
+
+void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,
+			     const u8 *data, size_t len, int rx_freq)
+{
+	struct p2p_device *dev;
+	struct wpabuf *conf;
+	int go = -1;
+	struct p2p_message msg;
+	u8 status = P2P_SC_SUCCESS;
+	int freq;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Received GO Negotiation Response from " MACSTR
+		" (freq=%d)", MAC2STR(sa), rx_freq);
+	dev = p2p_get_device(p2p, sa);
+	if (dev == NULL || dev->wps_method == WPS_NOT_READY ||
+	    dev != p2p->go_neg_peer) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Not ready for GO negotiation with " MACSTR,
+			MAC2STR(sa));
+		return;
+	}
+
+	if (p2p_parse(data, len, &msg))
+		return;
+
+	if (!(dev->flags & P2P_DEV_WAIT_GO_NEG_RESPONSE)) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Was not expecting GO Negotiation Response - "
+			"ignore");
+		p2p_parse_free(&msg);
+		return;
+	}
+	dev->flags &= ~P2P_DEV_WAIT_GO_NEG_RESPONSE;
+
+	if (msg.dialog_token != dev->dialog_token) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unexpected Dialog Token %u (expected %u)",
+			msg.dialog_token, dev->dialog_token);
+		p2p_parse_free(&msg);
+		return;
+	}
+
+	if (!msg.status) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No Status attribute received");
+		status = P2P_SC_FAIL_INVALID_PARAMS;
+		goto fail;
+	}
+	if (*msg.status) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: GO Negotiation rejected: status %d",
+			*msg.status);
+		dev->go_neg_req_sent = 0;
+		if (*msg.status == P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Wait for the peer to become ready for "
+				"GO Negotiation");
+			dev->flags |= P2P_DEV_NOT_YET_READY;
+			dev->wait_count = 0;
+			p2p_set_state(p2p, P2P_WAIT_PEER_IDLE);
+			p2p_set_timeout(p2p, 0, 0);
+		} else {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Stop GO Negotiation attempt");
+			p2p_go_neg_failed(p2p, dev, *msg.status);
+		}
+		p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+		p2p_parse_free(&msg);
+		return;
+	}
+
+	if (!msg.capability) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Mandatory Capability attribute missing from GO "
+			"Negotiation Response");
+#ifdef CONFIG_P2P_STRICT
+		status = P2P_SC_FAIL_INVALID_PARAMS;
+		goto fail;
+#endif /* CONFIG_P2P_STRICT */
+	}
+
+	if (!msg.p2p_device_info) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Mandatory P2P Device Info attribute missing "
+			"from GO Negotiation Response");
+#ifdef CONFIG_P2P_STRICT
+		status = P2P_SC_FAIL_INVALID_PARAMS;
+		goto fail;
+#endif /* CONFIG_P2P_STRICT */
+	}
+
+	if (!msg.intended_addr) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No Intended P2P Interface Address attribute "
+			"received");
+		status = P2P_SC_FAIL_INVALID_PARAMS;
+		goto fail;
+	}
+
+	if (!msg.go_intent) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No GO Intent attribute received");
+		status = P2P_SC_FAIL_INVALID_PARAMS;
+		goto fail;
+	}
+	if ((*msg.go_intent >> 1) > P2P_MAX_GO_INTENT) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Invalid GO Intent value (%u) received",
+			*msg.go_intent >> 1);
+		status = P2P_SC_FAIL_INVALID_PARAMS;
+		goto fail;
+	}
+
+	go = p2p_go_det(p2p->go_intent, *msg.go_intent);
+	if (go < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Incompatible GO Intent");
+		status = P2P_SC_FAIL_INCOMPATIBLE_PARAMS;
+		goto fail;
+	}
+
+	if (!go && msg.group_id) {
+		/* Store SSID for Provisioning step */
+		p2p->ssid_len = msg.group_id_len - ETH_ALEN;
+		os_memcpy(p2p->ssid, msg.group_id + ETH_ALEN, p2p->ssid_len);
+	} else if (!go) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Mandatory P2P Group ID attribute missing from "
+			"GO Negotiation Response");
+		p2p->ssid_len = 0;
+#ifdef CONFIG_P2P_STRICT
+		status = P2P_SC_FAIL_INVALID_PARAMS;
+		goto fail;
+#endif /* CONFIG_P2P_STRICT */
+	}
+
+	if (!msg.config_timeout) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Mandatory Configuration Timeout attribute "
+			"missing from GO Negotiation Response");
+#ifdef CONFIG_P2P_STRICT
+		status = P2P_SC_FAIL_INVALID_PARAMS;
+		goto fail;
+#endif /* CONFIG_P2P_STRICT */
+	} else {
+		dev->go_timeout = msg.config_timeout[0];
+		dev->client_timeout = msg.config_timeout[1];
+	}
+
+	if (!msg.operating_channel && !go) {
+		/*
+		 * Note: P2P Client may omit Operating Channel attribute to
+		 * indicate it does not have a preference.
+		 */
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No Operating Channel attribute received");
+		status = P2P_SC_FAIL_INVALID_PARAMS;
+		goto fail;
+	}
+	if (!msg.channel_list) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No Channel List attribute received");
+		status = P2P_SC_FAIL_INVALID_PARAMS;
+		goto fail;
+	}
+
+	if (p2p_peer_channels(p2p, dev, msg.channel_list,
+			      msg.channel_list_len) < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No common channels found");
+		status = P2P_SC_FAIL_NO_COMMON_CHANNELS;
+		goto fail;
+	}
+
+	if (msg.operating_channel) {
+		dev->oper_freq = p2p_channel_to_freq((const char *)
+						     msg.operating_channel,
+						     msg.operating_channel[3],
+						     msg.operating_channel[4]);
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Peer operating "
+			"channel preference: %d MHz", dev->oper_freq);
+	} else
+		dev->oper_freq = 0;
+
+	switch (msg.dev_password_id) {
+	case DEV_PW_DEFAULT:
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: PIN from peer Label");
+		if (dev->wps_method != WPS_PIN_KEYPAD) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: We have wps_method=%s -> "
+				"incompatible",
+				p2p_wps_method_str(dev->wps_method));
+			status = P2P_SC_FAIL_INCOMPATIBLE_PROV_METHOD;
+			goto fail;
+		}
+		break;
+	case DEV_PW_REGISTRAR_SPECIFIED:
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: PIN from peer Display");
+		if (dev->wps_method != WPS_PIN_KEYPAD) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: We have wps_method=%s -> "
+				"incompatible",
+				p2p_wps_method_str(dev->wps_method));
+			status = P2P_SC_FAIL_INCOMPATIBLE_PROV_METHOD;
+			goto fail;
+		}
+		break;
+	case DEV_PW_USER_SPECIFIED:
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Peer entered PIN on Keypad");
+		if (dev->wps_method != WPS_PIN_LABEL &&
+		    dev->wps_method != WPS_PIN_DISPLAY) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: We have wps_method=%s -> "
+				"incompatible",
+				p2p_wps_method_str(dev->wps_method));
+			status = P2P_SC_FAIL_INCOMPATIBLE_PROV_METHOD;
+			goto fail;
+		}
+		break;
+	case DEV_PW_PUSHBUTTON:
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Peer using pushbutton");
+		if (dev->wps_method != WPS_PBC) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: We have wps_method=%s -> "
+				"incompatible",
+				p2p_wps_method_str(dev->wps_method));
+			status = P2P_SC_FAIL_INCOMPATIBLE_PROV_METHOD;
+			goto fail;
+		}
+		break;
+	default:
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unsupported Device Password ID %d",
+			msg.dev_password_id);
+		status = P2P_SC_FAIL_INCOMPATIBLE_PROV_METHOD;
+		goto fail;
+	}
+
+	if (go) {
+		struct p2p_channels intersection;
+		size_t i;
+		p2p_channels_intersect(&p2p->channels, &dev->channels,
+				       &intersection);
+		if (intersection.reg_classes == 0 ||
+		    intersection.reg_class[0].channels == 0) {
+			status = P2P_SC_FAIL_NO_COMMON_CHANNELS;
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: No common channels found");
+			goto fail;
+		}
+		for (i = 0; i < intersection.reg_classes; i++) {
+			struct p2p_reg_class *c;
+			c = &intersection.reg_class[i];
+			wpa_printf(MSG_DEBUG, "P2P: reg_class %u",
+				   c->reg_class);
+			wpa_hexdump(MSG_DEBUG, "P2P: channels",
+				    c->channel, c->channels);
+		}
+		if (!p2p_channels_includes(&intersection, p2p->op_reg_class,
+					   p2p->op_channel))
+			p2p_reselect_channel(p2p, &intersection);
+
+		p2p_build_ssid(p2p, p2p->ssid, &p2p->ssid_len);
+	}
+
+	p2p_set_state(p2p, P2P_GO_NEG);
+	p2p_clear_timeout(p2p);
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: GO Negotiation with " MACSTR, MAC2STR(sa));
+	os_memcpy(dev->intended_addr, msg.intended_addr, ETH_ALEN);
+
+fail:
+	conf = p2p_build_go_neg_conf(p2p, dev, msg.dialog_token, status,
+				     msg.operating_channel, go);
+	p2p_parse_free(&msg);
+	if (conf == NULL)
+		return;
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Sending GO Negotiation Confirm");
+	if (status == P2P_SC_SUCCESS) {
+		p2p->pending_action_state = P2P_PENDING_GO_NEG_CONFIRM;
+		dev->go_state = go ? LOCAL_GO : REMOTE_GO;
+	} else
+		p2p->pending_action_state = P2P_NO_PENDING_ACTION;
+	if (rx_freq > 0)
+		freq = rx_freq;
+	else
+		freq = dev->listen_freq;
+	if (p2p_send_action(p2p, freq, sa, p2p->cfg->dev_addr, sa,
+			    wpabuf_head(conf), wpabuf_len(conf), 200) < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to send Action frame");
+		p2p_go_neg_failed(p2p, dev, -1);
+	}
+	wpabuf_free(conf);
+}
+
+
+void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa,
+			     const u8 *data, size_t len)
+{
+	struct p2p_device *dev;
+	struct p2p_message msg;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Received GO Negotiation Confirm from " MACSTR,
+		MAC2STR(sa));
+	dev = p2p_get_device(p2p, sa);
+	if (dev == NULL || dev->wps_method == WPS_NOT_READY ||
+	    dev != p2p->go_neg_peer) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Not ready for GO negotiation with " MACSTR,
+			MAC2STR(sa));
+		return;
+	}
+
+	if (p2p->pending_action_state == P2P_PENDING_GO_NEG_RESPONSE) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Stopped waiting "
+			"for TX status on GO Negotiation Response since we "
+			"already received Confirmation");
+		p2p->pending_action_state = P2P_NO_PENDING_ACTION;
+	}
+
+	if (p2p_parse(data, len, &msg))
+		return;
+
+	if (!(dev->flags & P2P_DEV_WAIT_GO_NEG_CONFIRM)) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Was not expecting GO Negotiation Confirm - "
+			"ignore");
+		return;
+	}
+	dev->flags &= ~P2P_DEV_WAIT_GO_NEG_CONFIRM;
+
+	if (msg.dialog_token != dev->dialog_token) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unexpected Dialog Token %u (expected %u)",
+			msg.dialog_token, dev->dialog_token);
+		p2p_parse_free(&msg);
+		return;
+	}
+
+	if (!msg.status) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No Status attribute received");
+		p2p_parse_free(&msg);
+		return;
+	}
+	if (*msg.status) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: GO Negotiation rejected: status %d",
+			*msg.status);
+		p2p_parse_free(&msg);
+		return;
+	}
+
+	if (dev->go_state == REMOTE_GO && msg.group_id) {
+		/* Store SSID for Provisioning step */
+		p2p->ssid_len = msg.group_id_len - ETH_ALEN;
+		os_memcpy(p2p->ssid, msg.group_id + ETH_ALEN, p2p->ssid_len);
+	} else if (dev->go_state == REMOTE_GO) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Mandatory P2P Group ID attribute missing from "
+			"GO Negotiation Confirmation");
+		p2p->ssid_len = 0;
+#ifdef CONFIG_P2P_STRICT
+		p2p_parse_free(&msg);
+		return;
+#endif /* CONFIG_P2P_STRICT */
+	}
+
+	if (!msg.operating_channel) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Mandatory Operating Channel attribute missing "
+			"from GO Negotiation Confirmation");
+#ifdef CONFIG_P2P_STRICT
+		p2p_parse_free(&msg);
+		return;
+#endif /* CONFIG_P2P_STRICT */
+	}
+
+	if (!msg.channel_list) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Mandatory Operating Channel attribute missing "
+			"from GO Negotiation Confirmation");
+#ifdef CONFIG_P2P_STRICT
+		p2p_parse_free(&msg);
+		return;
+#endif /* CONFIG_P2P_STRICT */
+	}
+
+	p2p_parse_free(&msg);
+
+	if (dev->go_state == UNKNOWN_GO) {
+		/*
+		 * This should not happen since GO negotiation has already
+		 * been completed.
+		 */
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unexpected GO Neg state - do not know which end "
+			"becomes GO");
+		return;
+	}
+
+	p2p_go_complete(p2p, dev);
+}
diff --git a/src/p2p/p2p_group.c b/src/p2p/p2p_group.c
new file mode 100644
index 0000000..14a475d
--- /dev/null
+++ b/src/p2p/p2p_group.c
@@ -0,0 +1,673 @@
+/*
+ * Wi-Fi Direct - P2P group operations
+ * Copyright (c) 2009-2010, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
+#include "wps/wps_defs.h"
+#include "wps/wps_i.h"
+#include "p2p_i.h"
+#include "p2p.h"
+
+
+struct p2p_group_member {
+	struct p2p_group_member *next;
+	u8 addr[ETH_ALEN]; /* P2P Interface Address */
+	u8 dev_addr[ETH_ALEN]; /* P2P Device Address */
+	struct wpabuf *p2p_ie;
+	struct wpabuf *client_info;
+	u8 dev_capab;
+};
+
+/**
+ * struct p2p_group - Internal P2P module per-group data
+ */
+struct p2p_group {
+	struct p2p_data *p2p;
+	struct p2p_group_config *cfg;
+	struct p2p_group_member *members;
+	unsigned int num_members;
+	int group_formation;
+	int beacon_update;
+	struct wpabuf *noa;
+};
+
+
+static void p2p_group_update_ies(struct p2p_group *group);
+
+
+struct p2p_group * p2p_group_init(struct p2p_data *p2p,
+				  struct p2p_group_config *config)
+{
+	struct p2p_group *group, **groups;
+
+	group = os_zalloc(sizeof(*group));
+	if (group == NULL)
+		return NULL;
+
+	groups = os_realloc(p2p->groups, (p2p->num_groups + 1) *
+			    sizeof(struct p2p_group *));
+	if (groups == NULL) {
+		os_free(group);
+		return NULL;
+	}
+	groups[p2p->num_groups++] = group;
+	p2p->groups = groups;
+
+	group->p2p = p2p;
+	group->cfg = config;
+	group->group_formation = 1;
+	group->beacon_update = 1;
+	p2p_group_update_ies(group);
+	group->cfg->idle_update(group->cfg->cb_ctx, 1);
+
+	return group;
+}
+
+
+static void p2p_group_free_member(struct p2p_group_member *m)
+{
+	wpabuf_free(m->p2p_ie);
+	wpabuf_free(m->client_info);
+	os_free(m);
+}
+
+
+static void p2p_group_free_members(struct p2p_group *group)
+{
+	struct p2p_group_member *m, *prev;
+	m = group->members;
+	group->members = NULL;
+	group->num_members = 0;
+	while (m) {
+		prev = m;
+		m = m->next;
+		p2p_group_free_member(prev);
+	}
+}
+
+
+void p2p_group_deinit(struct p2p_group *group)
+{
+	size_t g;
+	struct p2p_data *p2p;
+
+	if (group == NULL)
+		return;
+
+	p2p = group->p2p;
+
+	for (g = 0; g < p2p->num_groups; g++) {
+		if (p2p->groups[g] == group) {
+			while (g + 1 < p2p->num_groups) {
+				p2p->groups[g] = p2p->groups[g + 1];
+				g++;
+			}
+			p2p->num_groups--;
+			break;
+		}
+	}
+
+	p2p_group_free_members(group);
+	os_free(group->cfg);
+	wpabuf_free(group->noa);
+	os_free(group);
+}
+
+
+static void p2p_client_info(struct wpabuf *ie, struct p2p_group_member *m)
+{
+	if (m->client_info == NULL)
+		return;
+	if (wpabuf_tailroom(ie) < wpabuf_len(m->client_info) + 1)
+		return;
+	wpabuf_put_buf(ie, m->client_info);
+}
+
+
+static void p2p_group_add_common_ies(struct p2p_group *group,
+				     struct wpabuf *ie)
+{
+	u8 dev_capab = 0, group_capab = 0;
+
+	/* P2P Capability */
+	dev_capab |= P2P_DEV_CAPAB_SERVICE_DISCOVERY;
+	dev_capab |= P2P_DEV_CAPAB_INVITATION_PROCEDURE;
+	group_capab |= P2P_GROUP_CAPAB_GROUP_OWNER;
+	if (group->cfg->persistent_group)
+		group_capab |= P2P_GROUP_CAPAB_PERSISTENT_GROUP;
+	if (group->p2p->cfg->p2p_intra_bss)
+		group_capab |= P2P_GROUP_CAPAB_INTRA_BSS_DIST;
+	if (group->group_formation)
+		group_capab |= P2P_GROUP_CAPAB_GROUP_FORMATION;
+	if (group->p2p->cross_connect)
+		group_capab |= P2P_GROUP_CAPAB_CROSS_CONN;
+	if (group->num_members >= group->cfg->max_clients)
+		group_capab |= P2P_GROUP_CAPAB_GROUP_LIMIT;
+	p2p_buf_add_capability(ie, dev_capab, group_capab);
+}
+
+
+static void p2p_group_add_noa(struct wpabuf *ie, struct wpabuf *noa)
+{
+	if (noa == NULL)
+		return;
+	/* Notice of Absence */
+	wpabuf_put_u8(ie, P2P_ATTR_NOTICE_OF_ABSENCE);
+	wpabuf_put_le16(ie, wpabuf_len(noa));
+	wpabuf_put_buf(ie, noa);
+}
+
+
+static struct wpabuf * p2p_group_build_beacon_ie(struct p2p_group *group)
+{
+	struct wpabuf *ie;
+	u8 *len;
+
+	ie = wpabuf_alloc(257);
+	if (ie == NULL)
+		return NULL;
+
+	len = p2p_buf_add_ie_hdr(ie);
+	p2p_group_add_common_ies(group, ie);
+	p2p_buf_add_device_id(ie, group->p2p->cfg->dev_addr);
+	p2p_group_add_noa(ie, group->noa);
+	p2p_buf_update_ie_hdr(ie, len);
+
+	return ie;
+}
+
+
+static struct wpabuf * p2p_group_build_probe_resp_ie(struct p2p_group *group)
+{
+	u8 *group_info;
+	struct wpabuf *ie;
+	struct p2p_group_member *m;
+	u8 *len;
+
+	ie = wpabuf_alloc(257);
+	if (ie == NULL)
+		return NULL;
+
+	len = p2p_buf_add_ie_hdr(ie);
+
+	p2p_group_add_common_ies(group, ie);
+	p2p_group_add_noa(ie, group->noa);
+
+	/* P2P Device Info */
+	p2p_buf_add_device_info(ie, group->p2p, NULL);
+
+	/* P2P Group Info */
+	group_info = wpabuf_put(ie, 0);
+	wpabuf_put_u8(ie, P2P_ATTR_GROUP_INFO);
+	wpabuf_put_le16(ie, 0); /* Length to be filled */
+	for (m = group->members; m; m = m->next)
+		p2p_client_info(ie, m);
+	WPA_PUT_LE16(group_info + 1,
+		     (u8 *) wpabuf_put(ie, 0) - group_info - 3);
+
+	p2p_buf_update_ie_hdr(ie, len);
+	return ie;
+}
+
+
+static void p2p_group_update_ies(struct p2p_group *group)
+{
+	struct wpabuf *beacon_ie;
+	struct wpabuf *probe_resp_ie;
+
+	probe_resp_ie = p2p_group_build_probe_resp_ie(group);
+	if (probe_resp_ie == NULL)
+		return;
+	wpa_hexdump_buf(MSG_MSGDUMP, "P2P: Update GO Probe Response P2P IE",
+			probe_resp_ie);
+
+	if (group->beacon_update) {
+		beacon_ie = p2p_group_build_beacon_ie(group);
+		if (beacon_ie)
+			group->beacon_update = 0;
+		wpa_hexdump_buf(MSG_MSGDUMP, "P2P: Update GO Beacon P2P IE",
+				beacon_ie);
+	} else
+		beacon_ie = NULL;
+
+	group->cfg->ie_update(group->cfg->cb_ctx, beacon_ie, probe_resp_ie);
+}
+
+
+/**
+ * p2p_build_client_info - Build P2P Client Info Descriptor
+ * @addr: MAC address of the peer device
+ * @p2p_ie: P2P IE from (Re)Association Request
+ * @dev_capab: Buffer for returning Device Capability
+ * @dev_addr: Buffer for returning P2P Device Address
+ * Returns: P2P Client Info Descriptor or %NULL on failure
+ *
+ * This function builds P2P Client Info Descriptor based on the information
+ * available from (Re)Association Request frame. Group owner can use this to
+ * build the P2P Group Info attribute for Probe Response frames.
+ */
+static struct wpabuf * p2p_build_client_info(const u8 *addr,
+					     struct wpabuf *p2p_ie,
+					     u8 *dev_capab, u8 *dev_addr)
+{
+	const u8 *spos;
+	struct p2p_message msg;
+	u8 *len_pos;
+	struct wpabuf *buf;
+
+	if (p2p_ie == NULL)
+		return NULL;
+
+	os_memset(&msg, 0, sizeof(msg));
+	if (p2p_parse_p2p_ie(p2p_ie, &msg) ||
+	    msg.capability == NULL || msg.p2p_device_info == NULL)
+		return NULL;
+
+	buf = wpabuf_alloc(ETH_ALEN + 1 + 1 + msg.p2p_device_info_len);
+	if (buf == NULL)
+		return NULL;
+
+	*dev_capab = msg.capability[0];
+	os_memcpy(dev_addr, msg.p2p_device_addr, ETH_ALEN);
+
+	spos = msg.p2p_device_info; /* P2P Device address */
+
+	/* P2P Client Info Descriptor */
+	/* Length to be set */
+	len_pos = wpabuf_put(buf, 1);
+	/* P2P Device address */
+	wpabuf_put_data(buf, spos, ETH_ALEN);
+	/* P2P Interface address */
+	wpabuf_put_data(buf, addr, ETH_ALEN);
+	/* Device Capability Bitmap */
+	wpabuf_put_u8(buf, msg.capability[0]);
+	/*
+	 * Config Methods, Primary Device Type, Number of Secondary Device
+	 * Types, Secondary Device Type List, Device Name copied from
+	 * Device Info
+	 */
+	wpabuf_put_data(buf, spos + ETH_ALEN,
+			msg.p2p_device_info_len - ETH_ALEN);
+
+	*len_pos = wpabuf_len(buf) - 1;
+
+
+	return buf;
+}
+
+
+int p2p_group_notif_assoc(struct p2p_group *group, const u8 *addr,
+			  const u8 *ie, size_t len)
+{
+	struct p2p_group_member *m;
+
+	if (group == NULL)
+		return -1;
+
+	m = os_zalloc(sizeof(*m));
+	if (m == NULL)
+		return -1;
+	os_memcpy(m->addr, addr, ETH_ALEN);
+	m->p2p_ie = ieee802_11_vendor_ie_concat(ie, len, P2P_IE_VENDOR_TYPE);
+	if (m->p2p_ie) {
+		m->client_info = p2p_build_client_info(addr, m->p2p_ie,
+						       &m->dev_capab,
+						       m->dev_addr);
+	}
+
+	m->next = group->members;
+	group->members = m;
+	group->num_members++;
+	wpa_msg(group->p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Add client " MACSTR
+		" to group (p2p=%d client_info=%d); num_members=%u/%u",
+		MAC2STR(addr), m->p2p_ie ? 1 : 0, m->client_info ? 1 : 0,
+		group->num_members, group->cfg->max_clients);
+	if (group->num_members == group->cfg->max_clients)
+		group->beacon_update = 1;
+	p2p_group_update_ies(group);
+	if (group->num_members == 1)
+		group->cfg->idle_update(group->cfg->cb_ctx, 0);
+
+	return 0;
+}
+
+
+struct wpabuf * p2p_group_assoc_resp_ie(struct p2p_group *group, u8 status)
+{
+	struct wpabuf *resp;
+	u8 *rlen;
+
+	/*
+	 * (Re)Association Response - P2P IE
+	 * Status attribute (shall be present when association request is
+	 *	denied)
+	 * Extended Listen Timing (may be present)
+	 */
+	resp = wpabuf_alloc(20);
+	if (resp == NULL)
+		return NULL;
+	rlen = p2p_buf_add_ie_hdr(resp);
+	if (status != P2P_SC_SUCCESS)
+		p2p_buf_add_status(resp, status);
+	p2p_buf_update_ie_hdr(resp, rlen);
+
+	return resp;
+}
+
+
+void p2p_group_notif_disassoc(struct p2p_group *group, const u8 *addr)
+{
+	struct p2p_group_member *m, *prev;
+
+	if (group == NULL)
+		return;
+
+	m = group->members;
+	prev = NULL;
+	while (m) {
+		if (os_memcmp(m->addr, addr, ETH_ALEN) == 0)
+			break;
+		prev = m;
+		m = m->next;
+	}
+
+	if (m) {
+		if (prev)
+			prev->next = m->next;
+		else
+			group->members = m->next;
+		p2p_group_free_member(m);
+		group->num_members--;
+		wpa_msg(group->p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Remove "
+			"client " MACSTR " from group; num_members=%u/%u",
+			MAC2STR(addr), group->num_members,
+			group->cfg->max_clients);
+		if (group->num_members == group->cfg->max_clients - 1)
+			group->beacon_update = 1;
+		p2p_group_update_ies(group);
+		if (group->num_members == 0)
+			group->cfg->idle_update(group->cfg->cb_ctx, 1);
+	}
+}
+
+
+/**
+ * p2p_match_dev_type_member - Match client device type with requested type
+ * @m: Group member
+ * @wps: WPS TLVs from Probe Request frame (concatenated WPS IEs)
+ * Returns: 1 on match, 0 on mismatch
+ *
+ * This function can be used to match the Requested Device Type attribute in
+ * WPS IE with the device types of a group member for deciding whether a GO
+ * should reply to a Probe Request frame.
+ */
+static int p2p_match_dev_type_member(struct p2p_group_member *m,
+				     struct wpabuf *wps)
+{
+	const u8 *pos, *end;
+	struct wps_parse_attr attr;
+	u8 num_sec;
+
+	if (m->client_info == NULL || wps == NULL)
+		return 0;
+
+	pos = wpabuf_head(m->client_info);
+	end = pos + wpabuf_len(m->client_info);
+
+	pos += 1 + 2 * ETH_ALEN + 1 + 2;
+	if (end - pos < WPS_DEV_TYPE_LEN + 1)
+		return 0;
+
+	if (wps_parse_msg(wps, &attr))
+		return 1; /* assume no Requested Device Type attributes */
+
+	if (attr.num_req_dev_type == 0)
+		return 1; /* no Requested Device Type attributes -> match */
+
+	if (dev_type_list_match(pos, attr.req_dev_type, attr.num_req_dev_type))
+		return 1; /* Match with client Primary Device Type */
+
+	pos += WPS_DEV_TYPE_LEN;
+	num_sec = *pos++;
+	if (end - pos < num_sec * WPS_DEV_TYPE_LEN)
+		return 0;
+	while (num_sec > 0) {
+		num_sec--;
+		if (dev_type_list_match(pos, attr.req_dev_type,
+					attr.num_req_dev_type))
+			return 1; /* Match with client Secondary Device Type */
+		pos += WPS_DEV_TYPE_LEN;
+	}
+
+	/* No matching device type found */
+	return 0;
+}
+
+
+int p2p_group_match_dev_type(struct p2p_group *group, struct wpabuf *wps)
+{
+	struct p2p_group_member *m;
+
+	if (p2p_match_dev_type(group->p2p, wps))
+		return 1; /* Match with own device type */
+
+	for (m = group->members; m; m = m->next) {
+		if (p2p_match_dev_type_member(m, wps))
+			return 1; /* Match with group client device type */
+	}
+
+	/* No match with Requested Device Type */
+	return 0;
+}
+
+
+void p2p_group_notif_formation_done(struct p2p_group *group)
+{
+	if (group == NULL)
+		return;
+	group->group_formation = 0;
+	group->beacon_update = 1;
+	p2p_group_update_ies(group);
+}
+
+
+int p2p_group_notif_noa(struct p2p_group *group, const u8 *noa,
+			size_t noa_len)
+{
+	if (noa == NULL) {
+		wpabuf_free(group->noa);
+		group->noa = NULL;
+	} else {
+		if (group->noa) {
+			if (wpabuf_size(group->noa) >= noa_len) {
+				group->noa->size = 0;
+				wpabuf_put_data(group->noa, noa, noa_len);
+			} else {
+				wpabuf_free(group->noa);
+				group->noa = NULL;
+			}
+		}
+
+		if (!group->noa) {
+			group->noa = wpabuf_alloc_copy(noa, noa_len);
+			if (group->noa == NULL)
+				return -1;
+		}
+	}
+
+	group->beacon_update = 1;
+	p2p_group_update_ies(group);
+	return 0;
+}
+
+
+static struct p2p_group_member * p2p_group_get_client(struct p2p_group *group,
+						      const u8 *dev_id)
+{
+	struct p2p_group_member *m;
+
+	for (m = group->members; m; m = m->next) {
+		if (os_memcmp(dev_id, m->dev_addr, ETH_ALEN) == 0)
+			return m;
+	}
+
+	return NULL;
+}
+
+
+static struct p2p_group_member * p2p_group_get_client_iface(
+	struct p2p_group *group, const u8 *interface_addr)
+{
+	struct p2p_group_member *m;
+
+	for (m = group->members; m; m = m->next) {
+		if (os_memcmp(interface_addr, m->addr, ETH_ALEN) == 0)
+			return m;
+	}
+
+	return NULL;
+}
+
+
+static struct wpabuf * p2p_build_go_disc_req(void)
+{
+	struct wpabuf *buf;
+
+	buf = wpabuf_alloc(100);
+	if (buf == NULL)
+		return NULL;
+
+	p2p_buf_add_action_hdr(buf, P2P_GO_DISC_REQ, 0);
+
+	return buf;
+}
+
+
+int p2p_group_go_discover(struct p2p_group *group, const u8 *dev_id,
+			  const u8 *searching_dev, int rx_freq)
+{
+	struct p2p_group_member *m;
+	struct wpabuf *req;
+	struct p2p_data *p2p = group->p2p;
+	int freq;
+
+	m = p2p_group_get_client(group, dev_id);
+	if (m == NULL || m->client_info == NULL) {
+		wpa_printf(MSG_DEBUG, "P2P: Requested client was not in this "
+			   "group " MACSTR,
+			   MAC2STR(group->cfg->interface_addr));
+		return -1;
+	}
+
+	if (!(m->dev_capab & P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY)) {
+		wpa_printf(MSG_DEBUG, "P2P: Requested client does not support "
+			   "client discoverability");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "P2P: Schedule GO Discoverability Request to be "
+		   "sent to " MACSTR, MAC2STR(dev_id));
+
+	req = p2p_build_go_disc_req();
+	if (req == NULL)
+		return -1;
+
+	/* TODO: Should really use group operating frequency here */
+	freq = rx_freq;
+
+	p2p->pending_action_state = P2P_PENDING_GO_DISC_REQ;
+	if (p2p->cfg->send_action(p2p->cfg->cb_ctx, freq, m->addr,
+				  group->cfg->interface_addr,
+				  group->cfg->interface_addr,
+				  wpabuf_head(req), wpabuf_len(req), 200) < 0)
+	{
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to send Action frame");
+	}
+
+	wpabuf_free(req);
+
+	return 0;
+}
+
+
+const u8 * p2p_group_get_interface_addr(struct p2p_group *group)
+{
+	return group->cfg->interface_addr;
+}
+
+
+u8 p2p_group_presence_req(struct p2p_group *group,
+			  const u8 *client_interface_addr,
+			  const u8 *noa, size_t noa_len)
+{
+	struct p2p_group_member *m;
+	u8 curr_noa[50];
+	int curr_noa_len;
+
+	m = p2p_group_get_client_iface(group, client_interface_addr);
+	if (m == NULL || m->client_info == NULL) {
+		wpa_printf(MSG_DEBUG, "P2P: Client was not in this group");
+		return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
+	}
+
+	wpa_hexdump(MSG_DEBUG, "P2P: Presence Request NoA", noa, noa_len);
+
+	if (group->p2p->cfg->get_noa)
+		curr_noa_len = group->p2p->cfg->get_noa(
+			group->p2p->cfg->cb_ctx, group->cfg->interface_addr,
+			curr_noa, sizeof(curr_noa));
+	else
+		curr_noa_len = -1;
+	if (curr_noa_len < 0)
+		wpa_printf(MSG_DEBUG, "P2P: Failed to fetch current NoA");
+	else if (curr_noa_len == 0)
+		wpa_printf(MSG_DEBUG, "P2P: No NoA being advertized");
+	else
+		wpa_hexdump(MSG_DEBUG, "P2P: Current NoA", curr_noa,
+			    curr_noa_len);
+
+	/* TODO: properly process request and store copy */
+	if (curr_noa_len > 0)
+		return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
+
+	return P2P_SC_SUCCESS;
+}
+
+
+unsigned int p2p_get_group_num_members(struct p2p_group *group)
+{
+	return group->num_members;
+}
+
+
+const u8 * p2p_iterate_group_members(struct p2p_group *group, void **next)
+{
+	struct p2p_group_member *iter = *next;
+
+	if (!iter)
+		iter = group->members;
+	else
+		iter = iter->next;
+
+	*next = iter;
+
+	if (!iter)
+		return NULL;
+
+	return iter->addr;
+}
diff --git a/src/p2p/p2p_i.h b/src/p2p/p2p_i.h
new file mode 100644
index 0000000..68b1194
--- /dev/null
+++ b/src/p2p/p2p_i.h
@@ -0,0 +1,638 @@
+/*
+ * P2P - Internal definitions for P2P module
+ * Copyright (c) 2009-2010, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef P2P_I_H
+#define P2P_I_H
+
+#include "utils/list.h"
+#include "p2p.h"
+
+/* TODO: add removal of expired P2P device entries */
+
+enum p2p_go_state {
+	UNKNOWN_GO,
+	LOCAL_GO,
+	REMOTE_GO
+};
+
+/**
+ * struct p2p_device - P2P Device data (internal to P2P module)
+ */
+struct p2p_device {
+	struct dl_list list;
+	struct os_time last_seen;
+	int listen_freq;
+	int level;
+	enum p2p_wps_method wps_method;
+
+	struct p2p_peer_info info;
+
+	/*
+	 * If the peer was discovered based on an interface address (e.g., GO
+	 * from Beacon/Probe Response), the interface address is stored here.
+	 * p2p_device_addr must still be set in such a case to the unique
+	 * identifier for the P2P Device.
+	 */
+	u8 interface_addr[ETH_ALEN];
+
+	/*
+	 * P2P Device Address of the GO in whose group this P2P Device is a
+	 * client.
+	 */
+	u8 member_in_go_dev[ETH_ALEN];
+
+	/*
+	 * P2P Interface Address of the GO in whose group this P2P Device is a
+	 * client.
+	 */
+	u8 member_in_go_iface[ETH_ALEN];
+
+	int go_neg_req_sent;
+	enum p2p_go_state go_state;
+	u8 dialog_token;
+	u8 intended_addr[ETH_ALEN];
+
+	char country[3];
+	struct p2p_channels channels;
+	int oper_freq;
+	u8 oper_ssid[32];
+	size_t oper_ssid_len;
+
+	/**
+	 * req_config_methods - Pending provisioning discovery methods
+	 */
+	u16 req_config_methods;
+
+#define P2P_DEV_PROBE_REQ_ONLY BIT(0)
+#define P2P_DEV_REPORTED BIT(1)
+#define P2P_DEV_NOT_YET_READY BIT(2)
+#define P2P_DEV_SD_INFO BIT(3)
+#define P2P_DEV_SD_SCHEDULE BIT(4)
+#define P2P_DEV_PD_PEER_DISPLAY BIT(5)
+#define P2P_DEV_PD_PEER_KEYPAD BIT(6)
+#define P2P_DEV_USER_REJECTED BIT(7)
+#define P2P_DEV_PEER_WAITING_RESPONSE BIT(8)
+#define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9)
+#define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10)
+#define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11)
+#define P2P_DEV_GROUP_CLIENT_ONLY BIT(12)
+#define P2P_DEV_FORCE_FREQ BIT(13)
+#define P2P_DEV_PD_FOR_JOIN BIT(14)
+#define P2P_DEV_REPORTED_ONCE BIT(15)
+	unsigned int flags;
+
+	int status; /* enum p2p_status_code */
+	unsigned int wait_count;
+	unsigned int connect_reqs;
+	unsigned int invitation_reqs;
+
+	u16 ext_listen_period;
+	u16 ext_listen_interval;
+
+	u8 go_timeout;
+	u8 client_timeout;
+};
+
+struct p2p_sd_query {
+	struct p2p_sd_query *next;
+	u8 peer[ETH_ALEN];
+	int for_all_peers;
+	struct wpabuf *tlvs;
+};
+
+struct p2p_pending_action_tx {
+	unsigned int freq;
+	u8 dst[ETH_ALEN];
+	u8 src[ETH_ALEN];
+	u8 bssid[ETH_ALEN];
+	size_t len;
+	unsigned int wait_time;
+	/* Followed by len octets of the frame */
+};
+
+/**
+ * struct p2p_data - P2P module data (internal to P2P module)
+ */
+struct p2p_data {
+	/**
+	 * cfg - P2P module configuration
+	 *
+	 * This is included in the same memory allocation with the
+	 * struct p2p_data and as such, must not be freed separately.
+	 */
+	struct p2p_config *cfg;
+
+	/**
+	 * state - The current P2P state
+	 */
+	enum p2p_state {
+		/**
+		 * P2P_IDLE - Idle
+		 */
+		P2P_IDLE,
+
+		/**
+		 * P2P_SEARCH - Search (Device Discovery)
+		 */
+		P2P_SEARCH,
+
+		/**
+		 * P2P_CONNECT - Trying to start GO Negotiation
+		 */
+		P2P_CONNECT,
+
+		/**
+		 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start
+		 */
+		P2P_CONNECT_LISTEN,
+
+		/**
+		 * P2P_GO_NEG - In GO Negotiation
+		 */
+		P2P_GO_NEG,
+
+		/**
+		 * P2P_LISTEN_ONLY - Listen only
+		 */
+		P2P_LISTEN_ONLY,
+
+		/**
+		 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg
+		 */
+		P2P_WAIT_PEER_CONNECT,
+
+		/**
+		 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg
+		 */
+		P2P_WAIT_PEER_IDLE,
+
+		/**
+		 * P2P_SD_DURING_FIND - Service Discovery during find
+		 */
+		P2P_SD_DURING_FIND,
+
+		/**
+		 * P2P_PROVISIONING - Provisioning (during group formation)
+		 */
+		P2P_PROVISIONING,
+
+		/**
+		 * P2P_PD_DURING_FIND - Provision Discovery during find
+		 */
+		P2P_PD_DURING_FIND,
+
+		/**
+		 * P2P_INVITE - Trying to start Invite
+		 */
+		P2P_INVITE,
+
+		/**
+		 * P2P_INVITE_LISTEN - Listen during Invite
+		 */
+		P2P_INVITE_LISTEN,
+	} state;
+
+	/**
+	 * min_disc_int - minDiscoverableInterval
+	 */
+	int min_disc_int;
+
+	/**
+	 * max_disc_int - maxDiscoverableInterval
+	 */
+	int max_disc_int;
+
+	/**
+	 * devices - List of known P2P Device peers
+	 */
+	struct dl_list devices;
+
+	/**
+	 * go_neg_peer - Pointer to GO Negotiation peer
+	 */
+	struct p2p_device *go_neg_peer;
+
+	/**
+	 * invite_peer - Pointer to Invite peer
+	 */
+	struct p2p_device *invite_peer;
+
+	const u8 *invite_go_dev_addr;
+	u8 invite_go_dev_addr_buf[ETH_ALEN];
+
+	/**
+	 * sd_peer - Pointer to Service Discovery peer
+	 */
+	struct p2p_device *sd_peer;
+
+	/**
+	 * sd_query - Pointer to Service Discovery query
+	 */
+	struct p2p_sd_query *sd_query;
+
+	/* GO Negotiation data */
+
+	/**
+	 * intended_addr - Local Intended P2P Interface Address
+	 *
+	 * This address is used during group owner negotiation as the Intended
+	 * P2P Interface Address and the group interface will be created with
+	 * address as the local address in case of successfully completed
+	 * negotiation.
+	 */
+	u8 intended_addr[ETH_ALEN];
+
+	/**
+	 * go_intent - Local GO Intent to be used during GO Negotiation
+	 */
+	u8 go_intent;
+
+	/**
+	 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation
+	 */
+	u8 next_tie_breaker;
+
+	/**
+	 * ssid - Selected SSID for GO Negotiation (if local end will be GO)
+	 */
+	u8 ssid[32];
+
+	/**
+	 * ssid_len - ssid length in octets
+	 */
+	size_t ssid_len;
+
+	/**
+	 * Regulatory class for own operational channel
+	 */
+	u8 op_reg_class;
+
+	/**
+	 * op_channel - Own operational channel
+	 */
+	u8 op_channel;
+
+	/**
+	 * channels - Own supported regulatory classes and channels
+	 *
+	 * List of supposerted channels per regulatory class. The regulatory
+	 * classes are defined in IEEE Std 802.11-2007 Annex J and the
+	 * numbering of the clases depends on the configured country code.
+	 */
+	struct p2p_channels channels;
+
+	enum p2p_pending_action_state {
+		P2P_NO_PENDING_ACTION,
+		P2P_PENDING_GO_NEG_REQUEST,
+		P2P_PENDING_GO_NEG_RESPONSE,
+		P2P_PENDING_GO_NEG_RESPONSE_FAILURE,
+		P2P_PENDING_GO_NEG_CONFIRM,
+		P2P_PENDING_SD,
+		P2P_PENDING_PD,
+		P2P_PENDING_INVITATION_REQUEST,
+		P2P_PENDING_INVITATION_RESPONSE,
+		P2P_PENDING_DEV_DISC_REQUEST,
+		P2P_PENDING_DEV_DISC_RESPONSE,
+		P2P_PENDING_GO_DISC_REQ
+	} pending_action_state;
+
+	unsigned int pending_listen_freq;
+	unsigned int pending_listen_sec;
+	unsigned int pending_listen_usec;
+
+	u8 dev_capab;
+
+	int in_listen;
+	int drv_in_listen;
+
+	/**
+	 * sd_queries - Pending service discovery queries
+	 */
+	struct p2p_sd_query *sd_queries;
+
+	/**
+	 * srv_update_indic - Service Update Indicator for local services
+	 */
+	u16 srv_update_indic;
+
+	struct wpabuf *sd_resp; /* Fragmented SD response */
+	u8 sd_resp_addr[ETH_ALEN];
+	u8 sd_resp_dialog_token;
+	size_t sd_resp_pos; /* Offset in sd_resp */
+	u8 sd_frag_id;
+
+	struct wpabuf *sd_rx_resp; /* Reassembled SD response */
+	u16 sd_rx_update_indic;
+
+	/* P2P Invitation data */
+	enum p2p_invite_role inv_role;
+	u8 inv_bssid[ETH_ALEN];
+	int inv_bssid_set;
+	u8 inv_ssid[32];
+	size_t inv_ssid_len;
+	u8 inv_sa[ETH_ALEN];
+	u8 inv_group_bssid[ETH_ALEN];
+	u8 *inv_group_bssid_ptr;
+	u8 inv_go_dev_addr[ETH_ALEN];
+	u8 inv_status;
+	int inv_op_freq;
+	int inv_persistent;
+
+	enum p2p_discovery_type find_type;
+	u8 last_prog_scan_class;
+	u8 last_prog_scan_chan;
+	int p2p_scan_running;
+	enum p2p_after_scan {
+		P2P_AFTER_SCAN_NOTHING,
+		P2P_AFTER_SCAN_LISTEN,
+		P2P_AFTER_SCAN_CONNECT
+	} start_after_scan;
+	u8 after_scan_peer[ETH_ALEN];
+	struct p2p_pending_action_tx *after_scan_tx;
+
+	/* Requested device types for find/search */
+	unsigned int num_req_dev_types;
+	u8 *req_dev_types;
+
+	struct p2p_group **groups;
+	size_t num_groups;
+
+	struct p2p_device *pending_client_disc_go;
+	u8 pending_client_disc_addr[ETH_ALEN];
+	u8 pending_dev_disc_dialog_token;
+	u8 pending_dev_disc_addr[ETH_ALEN];
+	int pending_dev_disc_freq;
+	unsigned int pending_client_disc_freq;
+
+	int ext_listen_only;
+	unsigned int ext_listen_period;
+	unsigned int ext_listen_interval;
+	unsigned int ext_listen_interval_sec;
+	unsigned int ext_listen_interval_usec;
+
+	u8 peer_filter[ETH_ALEN];
+
+	int cross_connect;
+
+	int best_freq_24;
+	int best_freq_5;
+	int best_freq_overall;
+
+	/**
+	 * wps_vendor_ext - WPS Vendor Extensions to add
+	 */
+	struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
+};
+
+/**
+ * struct p2p_message - Parsed P2P message (or P2P IE)
+ */
+struct p2p_message {
+	struct wpabuf *p2p_attributes;
+	struct wpabuf *wps_attributes;
+
+	u8 dialog_token;
+
+	const u8 *capability;
+	const u8 *go_intent;
+	const u8 *status;
+	const u8 *listen_channel;
+	const u8 *operating_channel;
+	const u8 *channel_list;
+	u8 channel_list_len;
+	const u8 *config_timeout;
+	const u8 *intended_addr;
+	const u8 *group_bssid;
+	const u8 *invitation_flags;
+
+	const u8 *group_info;
+	size_t group_info_len;
+
+	const u8 *group_id;
+	size_t group_id_len;
+
+	const u8 *device_id;
+
+	const u8 *manageability;
+
+	const u8 *noa;
+	size_t noa_len;
+
+	const u8 *ext_listen_timing;
+
+	const u8 *minor_reason_code;
+
+	/* P2P Device Info */
+	const u8 *p2p_device_info;
+	size_t p2p_device_info_len;
+	const u8 *p2p_device_addr;
+	const u8 *pri_dev_type;
+	u8 num_sec_dev_types;
+	char device_name[33];
+	u16 config_methods;
+
+	/* WPS IE */
+	u16 dev_password_id;
+	u16 wps_config_methods;
+	const u8 *wps_pri_dev_type;
+	const u8 *wps_sec_dev_type_list;
+	size_t wps_sec_dev_type_list_len;
+	const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
+	size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT];
+	const u8 *manufacturer;
+	size_t manufacturer_len;
+	const u8 *model_name;
+	size_t model_name_len;
+	const u8 *model_number;
+	size_t model_number_len;
+	const u8 *serial_number;
+	size_t serial_number_len;
+
+	/* DS Parameter Set IE */
+	const u8 *ds_params;
+
+	/* SSID IE */
+	const u8 *ssid;
+};
+
+
+#define P2P_MAX_GROUP_ENTRIES 50
+
+struct p2p_group_info {
+	unsigned int num_clients;
+	struct p2p_client_info {
+		const u8 *p2p_device_addr;
+		const u8 *p2p_interface_addr;
+		u8 dev_capab;
+		u16 config_methods;
+		const u8 *pri_dev_type;
+		u8 num_sec_dev_types;
+		const u8 *sec_dev_types;
+		const char *dev_name;
+		size_t dev_name_len;
+	} client[P2P_MAX_GROUP_ENTRIES];
+};
+
+
+/* p2p_utils.c */
+int p2p_random(char *buf, size_t len);
+int p2p_channel_to_freq(const char *country, int reg_class, int channel);
+int p2p_freq_to_channel(const char *country, unsigned int freq, u8 *reg_class,
+			u8 *channel);
+void p2p_channels_intersect(const struct p2p_channels *a,
+			    const struct p2p_channels *b,
+			    struct p2p_channels *res);
+int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,
+			  u8 channel);
+
+/* p2p_parse.c */
+int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg);
+int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg);
+int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg);
+void p2p_parse_free(struct p2p_message *msg);
+int p2p_attr_text(struct wpabuf *data, char *buf, char *end);
+int p2p_group_info_parse(const u8 *gi, size_t gi_len,
+			 struct p2p_group_info *info);
+
+/* p2p_build.c */
+
+struct p2p_noa_desc {
+	u8 count_type;
+	u32 duration;
+	u32 interval;
+	u32 start_time;
+};
+
+/* p2p_group.c */
+const u8 * p2p_group_get_interface_addr(struct p2p_group *group);
+u8 p2p_group_presence_req(struct p2p_group *group,
+			  const u8 *client_interface_addr,
+			  const u8 *noa, size_t noa_len);
+
+
+void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token);
+void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,
+				   u8 dialog_token);
+u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf);
+void p2p_buf_add_status(struct wpabuf *buf, u8 status);
+void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,
+			     struct p2p_device *peer);
+void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr);
+void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len);
+void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab);
+void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent);
+void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,
+				u8 reg_class, u8 channel);
+void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,
+				   u8 reg_class, u8 channel);
+void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,
+			      struct p2p_channels *chan);
+void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,
+				u8 client_timeout);
+void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr);
+void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid);
+void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,
+			  const u8 *ssid, size_t ssid_len);
+void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags);
+void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,
+		     struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2);
+void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
+				   u16 interval);
+void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p);
+void p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, u16 pw_id,
+		      int all_attr);
+
+/* p2p_sd.c */
+struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p,
+					 struct p2p_device *dev);
+void p2p_free_sd_queries(struct p2p_data *p2p);
+void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa,
+			    const u8 *data, size_t len, int rx_freq);
+void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa,
+			     const u8 *data, size_t len, int rx_freq);
+void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa,
+			     const u8 *data, size_t len, int rx_freq);
+void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa,
+			      const u8 *data, size_t len, int rx_freq);
+int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev);
+
+/* p2p_go_neg.c */
+int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own,
+			    struct p2p_device *dev,
+			    const u8 *channel_list, size_t channel_list_len);
+void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa,
+			    const u8 *data, size_t len, int rx_freq);
+void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,
+			     const u8 *data, size_t len, int rx_freq);
+void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa,
+			     const u8 *data, size_t len);
+int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev);
+
+/* p2p_pd.c */
+void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
+			       const u8 *data, size_t len, int rx_freq);
+void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
+				const u8 *data, size_t len);
+int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,
+			   int join);
+
+/* p2p_invitation.c */
+void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,
+				const u8 *data, size_t len, int rx_freq);
+void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa,
+				 const u8 *data, size_t len);
+int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev,
+		    const u8 *go_dev_addr);
+void p2p_invitation_req_cb(struct p2p_data *p2p, int success);
+void p2p_invitation_resp_cb(struct p2p_data *p2p, int success);
+
+/* p2p_dev_disc.c */
+void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa,
+			      const u8 *data, size_t len, int rx_freq);
+void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success);
+int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev);
+void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success);
+void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa,
+			       const u8 *data, size_t len);
+void p2p_go_disc_req_cb(struct p2p_data *p2p, int success);
+void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa,
+			     const u8 *data, size_t len, int rx_freq);
+
+/* p2p.c */
+void p2p_set_state(struct p2p_data *p2p, int new_state);
+void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec,
+		     unsigned int usec);
+void p2p_clear_timeout(struct p2p_data *p2p);
+void p2p_continue_find(struct p2p_data *p2p);
+struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
+						const u8 *addr,
+						struct p2p_message *msg);
+void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
+		      struct p2p_device *dev, struct p2p_message *msg);
+struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr);
+struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
+					     const u8 *addr);
+void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer,
+		       int status);
+void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer);
+int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps);
+int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],
+			size_t num_req_dev_type);
+struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p);
+void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len);
+int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
+		    const u8 *src, const u8 *bssid, const u8 *buf,
+		    size_t len, unsigned int wait_time);
+
+#endif /* P2P_I_H */
diff --git a/src/p2p/p2p_invitation.c b/src/p2p/p2p_invitation.c
new file mode 100644
index 0000000..bb2767d
--- /dev/null
+++ b/src/p2p/p2p_invitation.c
@@ -0,0 +1,489 @@
+/*
+ * Wi-Fi Direct - P2P Invitation procedure
+ * Copyright (c) 2010, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "common/ieee802_11_defs.h"
+#include "p2p_i.h"
+#include "p2p.h"
+
+
+static struct wpabuf * p2p_build_invitation_req(struct p2p_data *p2p,
+						struct p2p_device *peer,
+						const u8 *go_dev_addr)
+{
+	struct wpabuf *buf;
+	u8 *len;
+	const u8 *dev_addr;
+
+	buf = wpabuf_alloc(1000);
+	if (buf == NULL)
+		return NULL;
+
+	peer->dialog_token++;
+	if (peer->dialog_token == 0)
+		peer->dialog_token = 1;
+	p2p_buf_add_public_action_hdr(buf, P2P_INVITATION_REQ,
+				      peer->dialog_token);
+
+	len = p2p_buf_add_ie_hdr(buf);
+	if (p2p->inv_role == P2P_INVITE_ROLE_ACTIVE_GO || !p2p->inv_persistent)
+		p2p_buf_add_config_timeout(buf, 0, 0);
+	else
+		p2p_buf_add_config_timeout(buf, 100, 20);
+	p2p_buf_add_invitation_flags(buf, p2p->inv_persistent ?
+				     P2P_INVITATION_FLAGS_TYPE : 0);
+	p2p_buf_add_operating_channel(buf, p2p->cfg->country,
+				      p2p->op_reg_class, p2p->op_channel);
+	if (p2p->inv_bssid_set)
+		p2p_buf_add_group_bssid(buf, p2p->inv_bssid);
+	p2p_buf_add_channel_list(buf, p2p->cfg->country, &p2p->channels);
+	if (go_dev_addr)
+		dev_addr = go_dev_addr;
+	else if (p2p->inv_role == P2P_INVITE_ROLE_CLIENT)
+		dev_addr = peer->info.p2p_device_addr;
+	else
+		dev_addr = p2p->cfg->dev_addr;
+	p2p_buf_add_group_id(buf, dev_addr, p2p->inv_ssid, p2p->inv_ssid_len);
+	p2p_buf_add_device_info(buf, p2p, peer);
+	p2p_buf_update_ie_hdr(buf, len);
+
+	return buf;
+}
+
+
+static struct wpabuf * p2p_build_invitation_resp(struct p2p_data *p2p,
+						 struct p2p_device *peer,
+						 u8 dialog_token, u8 status,
+						 const u8 *group_bssid,
+						 u8 reg_class, u8 channel,
+						 struct p2p_channels *channels)
+{
+	struct wpabuf *buf;
+	u8 *len;
+
+	buf = wpabuf_alloc(1000);
+	if (buf == NULL)
+		return NULL;
+
+	p2p_buf_add_public_action_hdr(buf, P2P_INVITATION_RESP,
+				      dialog_token);
+
+	len = p2p_buf_add_ie_hdr(buf);
+	p2p_buf_add_status(buf, status);
+	p2p_buf_add_config_timeout(buf, 0, 0); /* FIX */
+	if (reg_class && channel)
+		p2p_buf_add_operating_channel(buf, p2p->cfg->country,
+					      reg_class, channel);
+	if (group_bssid)
+		p2p_buf_add_group_bssid(buf, group_bssid);
+	if (channels)
+		p2p_buf_add_channel_list(buf, p2p->cfg->country, channels);
+	p2p_buf_update_ie_hdr(buf, len);
+
+	return buf;
+}
+
+
+void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,
+				const u8 *data, size_t len, int rx_freq)
+{
+	struct p2p_device *dev;
+	struct p2p_message msg;
+	struct wpabuf *resp = NULL;
+	u8 status = P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
+	int freq;
+	int go = 0;
+	u8 group_bssid[ETH_ALEN], *bssid;
+	int op_freq = 0;
+	u8 reg_class = 0, channel = 0;
+	struct p2p_channels intersection, *channels = NULL;
+	int persistent;
+
+	os_memset(group_bssid, 0, sizeof(group_bssid));
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Received Invitation Request from " MACSTR " (freq=%d)",
+		MAC2STR(sa), rx_freq);
+
+	if (p2p_parse(data, len, &msg))
+		return;
+
+	dev = p2p_get_device(p2p, sa);
+	if (dev == NULL || (dev->flags & P2P_DEV_PROBE_REQ_ONLY)) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Invitation Request from unknown peer "
+			MACSTR, MAC2STR(sa));
+
+		if (p2p_add_device(p2p, sa, rx_freq, 0, data + 1, len - 1)) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Invitation Request add device failed "
+				MACSTR, MAC2STR(sa));
+			status = P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
+			goto fail;
+		}
+
+		dev = p2p_get_device(p2p, sa);
+		if (dev == NULL) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Reject Invitation Request from unknown "
+				"peer " MACSTR, MAC2STR(sa));
+			status = P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
+			goto fail;
+		}
+	}
+
+	if (!msg.group_id || !msg.channel_list) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Mandatory attribute missing in Invitation "
+			"Request from " MACSTR, MAC2STR(sa));
+		status = P2P_SC_FAIL_INVALID_PARAMS;
+		goto fail;
+	}
+
+	if (msg.invitation_flags)
+		persistent = *msg.invitation_flags & P2P_INVITATION_FLAGS_TYPE;
+	else {
+		/* Invitation Flags is a mandatory attribute starting from P2P
+		 * spec 1.06. As a backwards compatibility mechanism, assume
+		 * the request was for a persistent group if the attribute is
+		 * missing.
+		 */
+		wpa_printf(MSG_DEBUG, "P2P: Mandatory Invitation Flags "
+			   "attribute missing from Invitation Request");
+		persistent = 1;
+	}
+
+	if (p2p_peer_channels_check(p2p, &p2p->cfg->channels, dev,
+				    msg.channel_list, msg.channel_list_len) <
+	    0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No common channels found");
+		status = P2P_SC_FAIL_NO_COMMON_CHANNELS;
+		goto fail;
+	}
+
+	if (p2p->cfg->invitation_process) {
+		status = p2p->cfg->invitation_process(
+			p2p->cfg->cb_ctx, sa, msg.group_bssid, msg.group_id,
+			msg.group_id + ETH_ALEN, msg.group_id_len - ETH_ALEN,
+			&go, group_bssid, &op_freq, persistent);
+	}
+
+	if (op_freq) {
+		if (p2p_freq_to_channel(p2p->cfg->country, op_freq,
+					&reg_class, &channel) < 0) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Unknown forced freq %d MHz from "
+				"invitation_process()", op_freq);
+			status = P2P_SC_FAIL_NO_COMMON_CHANNELS;
+			goto fail;
+		}
+
+		p2p_channels_intersect(&p2p->cfg->channels, &dev->channels,
+				       &intersection);
+		if (!p2p_channels_includes(&intersection, reg_class, channel))
+		{
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: forced freq %d MHz not in the supported "
+				"channels interaction", op_freq);
+			status = P2P_SC_FAIL_NO_COMMON_CHANNELS;
+			goto fail;
+		}
+
+		if (status == P2P_SC_SUCCESS)
+			channels = &intersection;
+	} else {
+		op_freq = p2p_channel_to_freq(p2p->cfg->country,
+					      p2p->cfg->op_reg_class,
+					      p2p->cfg->op_channel);
+		if (op_freq < 0) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Unknown operational channel "
+				"(country=%c%c reg_class=%u channel=%u)",
+				p2p->cfg->country[0], p2p->cfg->country[1],
+				p2p->cfg->op_reg_class, p2p->cfg->op_channel);
+			status = P2P_SC_FAIL_NO_COMMON_CHANNELS;
+			goto fail;
+		}
+
+		p2p_channels_intersect(&p2p->cfg->channels, &dev->channels,
+				       &intersection);
+		if (status == P2P_SC_SUCCESS) {
+			reg_class = p2p->cfg->op_reg_class;
+			channel = p2p->cfg->op_channel;
+			channels = &intersection;
+		}
+	}
+
+fail:
+	if (go && status == P2P_SC_SUCCESS && !is_zero_ether_addr(group_bssid))
+		bssid = group_bssid;
+	else
+		bssid = NULL;
+	resp = p2p_build_invitation_resp(p2p, dev, msg.dialog_token, status,
+					 bssid, reg_class, channel, channels);
+
+	if (resp == NULL)
+		goto out;
+
+	if (rx_freq > 0)
+		freq = rx_freq;
+	else
+		freq = p2p_channel_to_freq(p2p->cfg->country,
+					   p2p->cfg->reg_class,
+					   p2p->cfg->channel);
+	if (freq < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unknown regulatory class/channel");
+		goto out;
+	}
+
+	/*
+	 * Store copy of invitation data to be used when processing TX status
+	 * callback for the Acton frame.
+	 */
+	os_memcpy(p2p->inv_sa, sa, ETH_ALEN);
+	if (msg.group_bssid) {
+		os_memcpy(p2p->inv_group_bssid, msg.group_bssid, ETH_ALEN);
+		p2p->inv_group_bssid_ptr = p2p->inv_group_bssid;
+	} else
+		p2p->inv_group_bssid_ptr = NULL;
+	if (msg.group_id_len - ETH_ALEN <= 32) {
+		os_memcpy(p2p->inv_ssid, msg.group_id + ETH_ALEN,
+			  msg.group_id_len - ETH_ALEN);
+		p2p->inv_ssid_len = msg.group_id_len - ETH_ALEN;
+	}
+	os_memcpy(p2p->inv_go_dev_addr, msg.group_id, ETH_ALEN);
+	p2p->inv_status = status;
+	p2p->inv_op_freq = op_freq;
+
+	p2p->pending_action_state = P2P_PENDING_INVITATION_RESPONSE;
+	if (p2p_send_action(p2p, freq, sa, p2p->cfg->dev_addr,
+			    p2p->cfg->dev_addr,
+			    wpabuf_head(resp), wpabuf_len(resp), 200) < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to send Action frame");
+	}
+
+out:
+	wpabuf_free(resp);
+	p2p_parse_free(&msg);
+}
+
+
+void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa,
+				 const u8 *data, size_t len)
+{
+	struct p2p_device *dev;
+	struct p2p_message msg;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Received Invitation Response from " MACSTR,
+		MAC2STR(sa));
+
+	dev = p2p_get_device(p2p, sa);
+	if (dev == NULL) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Ignore Invitation Response from unknown peer "
+			MACSTR, MAC2STR(sa));
+		return;
+	}
+
+	if (dev != p2p->invite_peer) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Ignore unexpected Invitation Response from peer "
+			MACSTR, MAC2STR(sa));
+		return;
+	}
+
+	if (p2p_parse(data, len, &msg))
+		return;
+
+	if (!msg.status) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Mandatory Status attribute missing in "
+			"Invitation Response from " MACSTR, MAC2STR(sa));
+		p2p_parse_free(&msg);
+		return;
+	}
+
+	if (p2p->cfg->invitation_result)
+		p2p->cfg->invitation_result(p2p->cfg->cb_ctx, *msg.status,
+					    msg.group_bssid);
+
+	p2p_parse_free(&msg);
+
+	p2p_clear_timeout(p2p);
+	p2p_set_state(p2p, P2P_IDLE);
+	p2p->invite_peer = NULL;
+}
+
+
+int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev,
+		    const u8 *go_dev_addr)
+{
+	struct wpabuf *req;
+	int freq;
+
+	freq = dev->listen_freq > 0 ? dev->listen_freq : dev->oper_freq;
+	if (freq <= 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No Listen/Operating frequency known for the "
+			"peer " MACSTR " to send Invitation Request",
+			MAC2STR(dev->info.p2p_device_addr));
+		return -1;
+	}
+
+	req = p2p_build_invitation_req(p2p, dev, go_dev_addr);
+	if (req == NULL)
+		return -1;
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Sending Invitation Request");
+	p2p_set_state(p2p, P2P_INVITE);
+	p2p->pending_action_state = P2P_PENDING_INVITATION_REQUEST;
+	p2p->invite_peer = dev;
+	dev->invitation_reqs++;
+	if (p2p_send_action(p2p, freq, dev->info.p2p_device_addr,
+			    p2p->cfg->dev_addr, dev->info.p2p_device_addr,
+			    wpabuf_head(req), wpabuf_len(req), 200) < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to send Action frame");
+		/* Use P2P find to recover and retry */
+		p2p_set_timeout(p2p, 0, 0);
+	}
+
+	wpabuf_free(req);
+
+	return 0;
+}
+
+
+void p2p_invitation_req_cb(struct p2p_data *p2p, int success)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Invitation Request TX callback: success=%d", success);
+
+	if (p2p->invite_peer == NULL) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No pending Invite");
+		return;
+	}
+
+	/*
+	 * Use P2P find, if needed, to find the other device from its listen
+	 * channel.
+	 */
+	p2p_set_state(p2p, P2P_INVITE);
+	p2p_set_timeout(p2p, 0, 100000);
+}
+
+
+void p2p_invitation_resp_cb(struct p2p_data *p2p, int success)
+{
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Invitation Response TX callback: success=%d", success);
+	p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+
+	if (success && p2p->cfg->invitation_received) {
+		p2p->cfg->invitation_received(p2p->cfg->cb_ctx,
+					      p2p->inv_sa,
+					      p2p->inv_group_bssid_ptr,
+					      p2p->inv_ssid, p2p->inv_ssid_len,
+					      p2p->inv_go_dev_addr,
+					      p2p->inv_status,
+					      p2p->inv_op_freq);
+	}
+}
+
+
+int p2p_invite(struct p2p_data *p2p, const u8 *peer, enum p2p_invite_role role,
+	       const u8 *bssid, const u8 *ssid, size_t ssid_len,
+	       unsigned int force_freq, const u8 *go_dev_addr,
+	       int persistent_group)
+{
+	struct p2p_device *dev;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Request to invite peer " MACSTR " role=%d persistent=%d "
+		"force_freq=%u",
+		MAC2STR(peer), role, persistent_group, force_freq);
+	if (bssid)
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Invitation for BSSID " MACSTR, MAC2STR(bssid));
+	if (go_dev_addr) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Invitation for GO Device Address " MACSTR,
+			MAC2STR(go_dev_addr));
+		os_memcpy(p2p->invite_go_dev_addr_buf, go_dev_addr, ETH_ALEN);
+		p2p->invite_go_dev_addr = p2p->invite_go_dev_addr_buf;
+	} else
+		p2p->invite_go_dev_addr = NULL;
+	wpa_hexdump_ascii(MSG_DEBUG, "P2P: Invitation for SSID",
+			  ssid, ssid_len);
+
+	dev = p2p_get_device(p2p, peer);
+	if (dev == NULL || (dev->listen_freq <= 0 && dev->oper_freq <= 0)) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Cannot invite unknown P2P Device " MACSTR,
+			MAC2STR(peer));
+		return -1;
+	}
+
+	if (dev->flags & P2P_DEV_GROUP_CLIENT_ONLY) {
+		if (!(dev->info.dev_capab &
+		      P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY)) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Cannot invite a P2P Device " MACSTR
+				" that is in a group and is not discoverable",
+				MAC2STR(peer));
+		}
+		/* TODO: use device discoverability request through GO */
+	}
+
+	dev->invitation_reqs = 0;
+
+	if (force_freq) {
+		if (p2p_freq_to_channel(p2p->cfg->country, force_freq,
+					&p2p->op_reg_class, &p2p->op_channel) <
+		    0) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Unsupported frequency %u MHz",
+				force_freq);
+			return -1;
+		}
+		p2p->channels.reg_classes = 1;
+		p2p->channels.reg_class[0].channels = 1;
+		p2p->channels.reg_class[0].reg_class = p2p->op_reg_class;
+		p2p->channels.reg_class[0].channel[0] = p2p->op_channel;
+	} else {
+		p2p->op_reg_class = p2p->cfg->op_reg_class;
+		p2p->op_channel = p2p->cfg->op_channel;
+		os_memcpy(&p2p->channels, &p2p->cfg->channels,
+			  sizeof(struct p2p_channels));
+	}
+
+	if (p2p->state != P2P_IDLE)
+		p2p_stop_find(p2p);
+
+	p2p->inv_role = role;
+	p2p->inv_bssid_set = bssid != NULL;
+	if (bssid)
+		os_memcpy(p2p->inv_bssid, bssid, ETH_ALEN);
+	os_memcpy(p2p->inv_ssid, ssid, ssid_len);
+	p2p->inv_ssid_len = ssid_len;
+	p2p->inv_persistent = persistent_group;
+	return p2p_invite_send(p2p, dev, go_dev_addr);
+}
diff --git a/src/p2p/p2p_parse.c b/src/p2p/p2p_parse.c
new file mode 100644
index 0000000..5c5445a
--- /dev/null
+++ b/src/p2p/p2p_parse.c
@@ -0,0 +1,718 @@
+/*
+ * P2P - IE parser
+ * Copyright (c) 2009-2010, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
+#include "wps/wps_i.h"
+#include "p2p_i.h"
+
+
+static int p2p_parse_attribute(u8 id, const u8 *data, u16 len,
+			       struct p2p_message *msg)
+{
+	const u8 *pos;
+	size_t i, nlen;
+	char devtype[WPS_DEV_TYPE_BUFSIZE];
+
+	switch (id) {
+	case P2P_ATTR_CAPABILITY:
+		if (len < 2) {
+			wpa_printf(MSG_DEBUG, "P2P: Too short Capability "
+				   "attribute (length %d)", len);
+			return -1;
+		}
+		msg->capability = data;
+		wpa_printf(MSG_DEBUG, "P2P: * Device Capability %02x "
+			   "Group Capability %02x",
+			   data[0], data[1]);
+		break;
+	case P2P_ATTR_DEVICE_ID:
+		if (len < ETH_ALEN) {
+			wpa_printf(MSG_DEBUG, "P2P: Too short Device ID "
+				   "attribute (length %d)", len);
+			return -1;
+		}
+		msg->device_id = data;
+		wpa_printf(MSG_DEBUG, "P2P: * Device ID " MACSTR,
+			   MAC2STR(msg->device_id));
+		break;
+	case P2P_ATTR_GROUP_OWNER_INTENT:
+		if (len < 1) {
+			wpa_printf(MSG_DEBUG, "P2P: Too short GO Intent "
+				   "attribute (length %d)", len);
+			return -1;
+		}
+		msg->go_intent = data;
+		wpa_printf(MSG_DEBUG, "P2P: * GO Intent: Intent %u "
+			   "Tie breaker %u", data[0] >> 1, data[0] & 0x01);
+		break;
+	case P2P_ATTR_STATUS:
+		if (len < 1) {
+			wpa_printf(MSG_DEBUG, "P2P: Too short Status "
+				   "attribute (length %d)", len);
+			return -1;
+		}
+		msg->status = data;
+		wpa_printf(MSG_DEBUG, "P2P: * Status: %d", data[0]);
+		break;
+	case P2P_ATTR_LISTEN_CHANNEL:
+		if (len == 0) {
+			wpa_printf(MSG_DEBUG, "P2P: * Listen Channel: Ignore "
+				   "null channel");
+			break;
+		}
+		if (len < 5) {
+			wpa_printf(MSG_DEBUG, "P2P: Too short Listen Channel "
+				   "attribute (length %d)", len);
+			return -1;
+		}
+		msg->listen_channel = data;
+		wpa_printf(MSG_DEBUG, "P2P: * Listen Channel: "
+			   "Country %c%c(0x%02x) Regulatory "
+			   "Class %d Channel Number %d", data[0], data[1],
+			   data[2], data[3], data[4]);
+		break;
+	case P2P_ATTR_OPERATING_CHANNEL:
+		if (len == 0) {
+			wpa_printf(MSG_DEBUG, "P2P: * Operating Channel: "
+				   "Ignore null channel");
+			break;
+		}
+		if (len < 5) {
+			wpa_printf(MSG_DEBUG, "P2P: Too short Operating "
+				   "Channel attribute (length %d)", len);
+			return -1;
+		}
+		msg->operating_channel = data;
+		wpa_printf(MSG_DEBUG, "P2P: * Operating Channel: "
+			   "Country %c%c(0x%02x) Regulatory "
+			   "Class %d Channel Number %d", data[0], data[1],
+			   data[2], data[3], data[4]);
+		break;
+	case P2P_ATTR_CHANNEL_LIST:
+		if (len < 3) {
+			wpa_printf(MSG_DEBUG, "P2P: Too short Channel List "
+				   "attribute (length %d)", len);
+			return -1;
+		}
+		msg->channel_list = data;
+		msg->channel_list_len = len;
+		wpa_printf(MSG_DEBUG, "P2P: * Channel List: Country String "
+			   "'%c%c(0x%02x)'", data[0], data[1], data[2]);
+		wpa_hexdump(MSG_MSGDUMP, "P2P: Channel List",
+			    msg->channel_list, msg->channel_list_len);
+		break;
+	case P2P_ATTR_GROUP_INFO:
+		msg->group_info = data;
+		msg->group_info_len = len;
+		wpa_printf(MSG_DEBUG, "P2P: * Group Info");
+		break;
+	case P2P_ATTR_DEVICE_INFO:
+		if (len < ETH_ALEN + 2 + 8 + 1) {
+			wpa_printf(MSG_DEBUG, "P2P: Too short Device Info "
+				   "attribute (length %d)", len);
+			return -1;
+		}
+		msg->p2p_device_info = data;
+		msg->p2p_device_info_len = len;
+		pos = data;
+		msg->p2p_device_addr = pos;
+		pos += ETH_ALEN;
+		msg->config_methods = WPA_GET_BE16(pos);
+		pos += 2;
+		msg->pri_dev_type = pos;
+		pos += 8;
+		msg->num_sec_dev_types = *pos++;
+		if (msg->num_sec_dev_types * 8 > data + len - pos) {
+			wpa_printf(MSG_DEBUG, "P2P: Device Info underflow");
+			return -1;
+		}
+		pos += msg->num_sec_dev_types * 8;
+		if (data + len - pos < 4) {
+			wpa_printf(MSG_DEBUG, "P2P: Invalid Device Name "
+				   "length %d", (int) (data + len - pos));
+			return -1;
+		}
+		if (WPA_GET_BE16(pos) != ATTR_DEV_NAME) {
+			wpa_hexdump(MSG_DEBUG, "P2P: Unexpected Device Name "
+				    "header", pos, 4);
+			return -1;
+		}
+		pos += 2;
+		nlen = WPA_GET_BE16(pos);
+		pos += 2;
+		if (data + len - pos < (int) nlen || nlen > 32) {
+			wpa_printf(MSG_DEBUG, "P2P: Invalid Device Name "
+				   "length %d (buf len %d)", (int) nlen,
+				   (int) (data + len - pos));
+			return -1;
+		}
+		os_memcpy(msg->device_name, pos, nlen);
+		msg->device_name[nlen] = '\0';
+		for (i = 0; i < nlen; i++) {
+			if (msg->device_name[i] == '\0')
+				break;
+			if (msg->device_name[i] > 0 &&
+			    msg->device_name[i] < 32)
+				msg->device_name[i] = '_';
+		}
+		wpa_printf(MSG_DEBUG, "P2P: * Device Info: addr " MACSTR
+			   " primary device type %s device name '%s' "
+			   "config methods 0x%x",
+			   MAC2STR(msg->p2p_device_addr),
+			   wps_dev_type_bin2str(msg->pri_dev_type, devtype,
+						sizeof(devtype)),
+			   msg->device_name, msg->config_methods);
+		break;
+	case P2P_ATTR_CONFIGURATION_TIMEOUT:
+		if (len < 2) {
+			wpa_printf(MSG_DEBUG, "P2P: Too short Configuration "
+				   "Timeout attribute (length %d)", len);
+			return -1;
+		}
+		msg->config_timeout = data;
+		wpa_printf(MSG_DEBUG, "P2P: * Configuration Timeout");
+		break;
+	case P2P_ATTR_INTENDED_INTERFACE_ADDR:
+		if (len < ETH_ALEN) {
+			wpa_printf(MSG_DEBUG, "P2P: Too short Intended P2P "
+				   "Interface Address attribute (length %d)",
+				   len);
+			return -1;
+		}
+		msg->intended_addr = data;
+		wpa_printf(MSG_DEBUG, "P2P: * Intended P2P Interface Address: "
+			   MACSTR, MAC2STR(msg->intended_addr));
+		break;
+	case P2P_ATTR_GROUP_BSSID:
+		if (len < ETH_ALEN) {
+			wpa_printf(MSG_DEBUG, "P2P: Too short P2P Group BSSID "
+				   "attribute (length %d)", len);
+			return -1;
+		}
+		msg->group_bssid = data;
+		wpa_printf(MSG_DEBUG, "P2P: * P2P Group BSSID: " MACSTR,
+			   MAC2STR(msg->group_bssid));
+		break;
+	case P2P_ATTR_GROUP_ID:
+		if (len < ETH_ALEN || len > ETH_ALEN + 32) {
+			wpa_printf(MSG_DEBUG, "P2P: Invalid P2P Group ID "
+				   "attribute length %d", len);
+			return -1;
+		}
+		msg->group_id = data;
+		msg->group_id_len = len;
+		wpa_printf(MSG_DEBUG, "P2P: * P2P Group ID: Device Address "
+			   MACSTR, MAC2STR(msg->group_id));
+		wpa_hexdump_ascii(MSG_DEBUG, "P2P: * P2P Group ID: SSID",
+				  msg->group_id + ETH_ALEN,
+				  msg->group_id_len - ETH_ALEN);
+		break;
+	case P2P_ATTR_INVITATION_FLAGS:
+		if (len < 1) {
+			wpa_printf(MSG_DEBUG, "P2P: Too short Invitation "
+				   "Flag attribute (length %d)", len);
+			return -1;
+		}
+		msg->invitation_flags = data;
+		wpa_printf(MSG_DEBUG, "P2P: * Invitation Flags: bitmap 0x%x",
+			   data[0]);
+		break;
+	case P2P_ATTR_MANAGEABILITY:
+		if (len < 1) {
+			wpa_printf(MSG_DEBUG, "P2P: Too short Manageability "
+				   "attribute (length %d)", len);
+			return -1;
+		}
+		msg->manageability = data;
+		wpa_printf(MSG_DEBUG, "P2P: * Manageability: bitmap 0x%x",
+			   data[0]);
+		break;
+	case P2P_ATTR_NOTICE_OF_ABSENCE:
+		if (len < 2) {
+			wpa_printf(MSG_DEBUG, "P2P: Too short Notice of "
+				   "Absence attribute (length %d)", len);
+			return -1;
+		}
+		msg->noa = data;
+		msg->noa_len = len;
+		wpa_printf(MSG_DEBUG, "P2P: * Notice of Absence");
+		break;
+	case P2P_ATTR_EXT_LISTEN_TIMING:
+		if (len < 4) {
+			wpa_printf(MSG_DEBUG, "P2P: Too short Extended Listen "
+				   "Timing attribute (length %d)", len);
+			return -1;
+		}
+		msg->ext_listen_timing = data;
+		wpa_printf(MSG_DEBUG, "P2P: * Extended Listen Timing "
+			   "(period %u msec  interval %u msec)",
+			   WPA_GET_LE16(msg->ext_listen_timing),
+			   WPA_GET_LE16(msg->ext_listen_timing + 2));
+		break;
+	case P2P_ATTR_MINOR_REASON_CODE:
+		if (len < 1) {
+			wpa_printf(MSG_DEBUG, "P2P: Too short Minor Reason "
+				   "Code attribute (length %d)", len);
+			return -1;
+		}
+		msg->minor_reason_code = data;
+		wpa_printf(MSG_DEBUG, "P2P: * Minor Reason Code: %u",
+			   *msg->minor_reason_code);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "P2P: Skipped unknown attribute %d "
+			   "(length %d)", id, len);
+		break;
+	}
+
+	return 0;
+}
+
+
+/**
+ * p2p_parse_p2p_ie - Parse P2P IE
+ * @buf: Concatenated P2P IE(s) payload
+ * @msg: Buffer for returning parsed attributes
+ * Returns: 0 on success, -1 on failure
+ *
+ * Note: Caller is responsible for clearing the msg data structure before
+ * calling this function.
+ */
+int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg)
+{
+	const u8 *pos = wpabuf_head_u8(buf);
+	const u8 *end = pos + wpabuf_len(buf);
+
+	wpa_printf(MSG_DEBUG, "P2P: Parsing P2P IE");
+
+	while (pos < end) {
+		u16 attr_len;
+		if (pos + 2 >= end) {
+			wpa_printf(MSG_DEBUG, "P2P: Invalid P2P attribute");
+			return -1;
+		}
+		attr_len = WPA_GET_LE16(pos + 1);
+		wpa_printf(MSG_DEBUG, "P2P: Attribute %d length %u",
+			   pos[0], attr_len);
+		if (pos + 3 + attr_len > end) {
+			wpa_printf(MSG_DEBUG, "P2P: Attribute underflow "
+				   "(len=%u left=%d)",
+				   attr_len, (int) (end - pos - 3));
+			wpa_hexdump(MSG_MSGDUMP, "P2P: Data", pos, end - pos);
+			return -1;
+		}
+		if (p2p_parse_attribute(pos[0], pos + 3, attr_len, msg))
+			return -1;
+		pos += 3 + attr_len;
+	}
+
+	return 0;
+}
+
+
+static int p2p_parse_wps_ie(const struct wpabuf *buf, struct p2p_message *msg)
+{
+	struct wps_parse_attr attr;
+	int i;
+
+	wpa_printf(MSG_DEBUG, "P2P: Parsing WPS IE");
+	if (wps_parse_msg(buf, &attr))
+		return -1;
+	if (attr.dev_name && attr.dev_name_len < sizeof(msg->device_name) &&
+	    !msg->device_name[0])
+		os_memcpy(msg->device_name, attr.dev_name, attr.dev_name_len);
+	if (attr.config_methods) {
+		msg->wps_config_methods =
+			WPA_GET_BE16(attr.config_methods);
+		wpa_printf(MSG_DEBUG, "P2P: Config Methods (WPS): 0x%x",
+			   msg->wps_config_methods);
+	}
+	if (attr.dev_password_id) {
+		msg->dev_password_id = WPA_GET_BE16(attr.dev_password_id);
+		wpa_printf(MSG_DEBUG, "P2P: Device Password ID: %d",
+			   msg->dev_password_id);
+	}
+	if (attr.primary_dev_type) {
+		char devtype[WPS_DEV_TYPE_BUFSIZE];
+		msg->wps_pri_dev_type = attr.primary_dev_type;
+		wpa_printf(MSG_DEBUG, "P2P: Primary Device Type (WPS): %s",
+			   wps_dev_type_bin2str(msg->wps_pri_dev_type, devtype,
+						sizeof(devtype)));
+	}
+	if (attr.sec_dev_type_list) {
+		msg->wps_sec_dev_type_list = attr.sec_dev_type_list;
+		msg->wps_sec_dev_type_list_len = attr.sec_dev_type_list_len;
+	}
+
+	for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
+		msg->wps_vendor_ext[i] = attr.vendor_ext[i];
+		msg->wps_vendor_ext_len[i] = attr.vendor_ext_len[i];
+	}
+
+	msg->manufacturer = attr.manufacturer;
+	msg->manufacturer_len = attr.manufacturer_len;
+	msg->model_name = attr.model_name;
+	msg->model_name_len = attr.model_name_len;
+	msg->model_number = attr.model_number;
+	msg->model_number_len = attr.model_number_len;
+	msg->serial_number = attr.serial_number;
+	msg->serial_number_len = attr.serial_number_len;
+
+	return 0;
+}
+
+
+/**
+ * p2p_parse_ies - Parse P2P message IEs (both WPS and P2P IE)
+ * @data: IEs from the message
+ * @len: Length of data buffer in octets
+ * @msg: Buffer for returning parsed attributes
+ * Returns: 0 on success, -1 on failure
+ *
+ * Note: Caller is responsible for clearing the msg data structure before
+ * calling this function.
+ *
+ * Note: Caller must free temporary memory allocations by calling
+ * p2p_parse_free() when the parsed data is not needed anymore.
+ */
+int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg)
+{
+	struct ieee802_11_elems elems;
+
+	ieee802_11_parse_elems(data, len, &elems, 0);
+	if (elems.ds_params && elems.ds_params_len >= 1)
+		msg->ds_params = elems.ds_params;
+	if (elems.ssid)
+		msg->ssid = elems.ssid - 2;
+
+	msg->wps_attributes = ieee802_11_vendor_ie_concat(data, len,
+							  WPS_DEV_OUI_WFA);
+	if (msg->wps_attributes &&
+	    p2p_parse_wps_ie(msg->wps_attributes, msg)) {
+		p2p_parse_free(msg);
+		return -1;
+	}
+
+	msg->p2p_attributes = ieee802_11_vendor_ie_concat(data, len,
+							  P2P_IE_VENDOR_TYPE);
+	if (msg->p2p_attributes &&
+	    p2p_parse_p2p_ie(msg->p2p_attributes, msg)) {
+		wpa_printf(MSG_DEBUG, "P2P: Failed to parse P2P IE data");
+		if (msg->p2p_attributes)
+			wpa_hexdump_buf(MSG_MSGDUMP, "P2P: P2P IE data",
+					msg->p2p_attributes);
+		p2p_parse_free(msg);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+/**
+ * p2p_parse - Parse a P2P Action frame contents
+ * @data: Action frame payload after Category and Code fields
+ * @len: Length of data buffer in octets
+ * @msg: Buffer for returning parsed attributes
+ * Returns: 0 on success, -1 on failure
+ *
+ * Note: Caller must free temporary memory allocations by calling
+ * p2p_parse_free() when the parsed data is not needed anymore.
+ */
+int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg)
+{
+	os_memset(msg, 0, sizeof(*msg));
+	wpa_printf(MSG_DEBUG, "P2P: Parsing the received message");
+	if (len < 1) {
+		wpa_printf(MSG_DEBUG, "P2P: No Dialog Token in the message");
+		return -1;
+	}
+	msg->dialog_token = data[0];
+	wpa_printf(MSG_DEBUG, "P2P: * Dialog Token: %d", msg->dialog_token);
+
+	return p2p_parse_ies(data + 1, len - 1, msg);
+}
+
+
+/**
+ * p2p_parse_free - Free temporary data from P2P parsing
+ * @msg: Parsed attributes
+ */
+void p2p_parse_free(struct p2p_message *msg)
+{
+	wpabuf_free(msg->p2p_attributes);
+	msg->p2p_attributes = NULL;
+	wpabuf_free(msg->wps_attributes);
+	msg->wps_attributes = NULL;
+}
+
+
+int p2p_group_info_parse(const u8 *gi, size_t gi_len,
+			 struct p2p_group_info *info)
+{
+	const u8 *g, *gend;
+
+	os_memset(info, 0, sizeof(*info));
+	if (gi == NULL)
+		return 0;
+
+	g = gi;
+	gend = gi + gi_len;
+	while (g < gend) {
+		struct p2p_client_info *cli;
+		const u8 *t, *cend;
+		int count;
+
+		cli = &info->client[info->num_clients];
+		cend = g + 1 + g[0];
+		if (cend > gend)
+			return -1; /* invalid data */
+		/* g at start of P2P Client Info Descriptor */
+		/* t at Device Capability Bitmap */
+		t = g + 1 + 2 * ETH_ALEN;
+		if (t > cend)
+			return -1; /* invalid data */
+		cli->p2p_device_addr = g + 1;
+		cli->p2p_interface_addr = g + 1 + ETH_ALEN;
+		cli->dev_capab = t[0];
+
+		if (t + 1 + 2 + 8 + 1 > cend)
+			return -1; /* invalid data */
+
+		cli->config_methods = WPA_GET_BE16(&t[1]);
+		cli->pri_dev_type = &t[3];
+
+		t += 1 + 2 + 8;
+		/* t at Number of Secondary Device Types */
+		cli->num_sec_dev_types = *t++;
+		if (t + 8 * cli->num_sec_dev_types > cend)
+			return -1; /* invalid data */
+		cli->sec_dev_types = t;
+		t += 8 * cli->num_sec_dev_types;
+
+		/* t at Device Name in WPS TLV format */
+		if (t + 2 + 2 > cend)
+			return -1; /* invalid data */
+		if (WPA_GET_BE16(t) != ATTR_DEV_NAME)
+			return -1; /* invalid Device Name TLV */
+		t += 2;
+		count = WPA_GET_BE16(t);
+		t += 2;
+		if (count > cend - t)
+			return -1; /* invalid Device Name TLV */
+		if (count >= 32)
+			count = 32;
+		cli->dev_name = (const char *) t;
+		cli->dev_name_len = count;
+
+		g = cend;
+
+		info->num_clients++;
+		if (info->num_clients == P2P_MAX_GROUP_ENTRIES)
+			return -1;
+	}
+
+	return 0;
+}
+
+
+static int p2p_group_info_text(const u8 *gi, size_t gi_len, char *buf,
+			       char *end)
+{
+	char *pos = buf;
+	int ret;
+	struct p2p_group_info info;
+	unsigned int i;
+
+	if (p2p_group_info_parse(gi, gi_len, &info) < 0)
+		return 0;
+
+	for (i = 0; i < info.num_clients; i++) {
+		struct p2p_client_info *cli;
+		char name[33];
+		char devtype[WPS_DEV_TYPE_BUFSIZE];
+		u8 s;
+		int count;
+
+		cli = &info.client[i];
+		ret = os_snprintf(pos, end - pos, "p2p_group_client: "
+				  "dev=" MACSTR " iface=" MACSTR,
+				  MAC2STR(cli->p2p_device_addr),
+				  MAC2STR(cli->p2p_interface_addr));
+		if (ret < 0 || ret >= end - pos)
+			return pos - buf;
+		pos += ret;
+
+		ret = os_snprintf(pos, end - pos,
+				  " dev_capab=0x%x config_methods=0x%x "
+				  "dev_type=%s",
+				  cli->dev_capab, cli->config_methods,
+				  wps_dev_type_bin2str(cli->pri_dev_type,
+						       devtype,
+						       sizeof(devtype)));
+		if (ret < 0 || ret >= end - pos)
+			return pos - buf;
+		pos += ret;
+
+		for (s = 0; s < cli->num_sec_dev_types; s++) {
+			ret = os_snprintf(pos, end - pos, " dev_type=%s",
+					  wps_dev_type_bin2str(
+						  &cli->sec_dev_types[s * 8],
+						  devtype, sizeof(devtype)));
+			if (ret < 0 || ret >= end - pos)
+				return pos - buf;
+			pos += ret;
+		}
+
+		os_memcpy(name, cli->dev_name, cli->dev_name_len);
+		name[cli->dev_name_len] = '\0';
+		count = (int) cli->dev_name_len - 1;
+		while (count >= 0) {
+			if (name[count] > 0 && name[count] < 32)
+				name[count] = '_';
+			count--;
+		}
+
+		ret = os_snprintf(pos, end - pos, " dev_name='%s'\n", name);
+		if (ret < 0 || ret >= end - pos)
+			return pos - buf;
+		pos += ret;
+	}
+
+	return pos - buf;
+}
+
+
+/**
+ * p2p_attr_text - Build text format description of P2P IE attributes
+ * @data: P2P IE contents
+ * @buf: Buffer for returning text
+ * @end: Pointer to the end of the buf area
+ * Returns: Number of octets written to the buffer or -1 on faikure
+ *
+ * This function can be used to parse P2P IE contents into text format
+ * field=value lines.
+ */
+int p2p_attr_text(struct wpabuf *data, char *buf, char *end)
+{
+	struct p2p_message msg;
+	char *pos = buf;
+	int ret;
+
+	os_memset(&msg, 0, sizeof(msg));
+	if (p2p_parse_p2p_ie(data, &msg))
+		return -1;
+
+	if (msg.capability) {
+		ret = os_snprintf(pos, end - pos,
+				  "p2p_dev_capab=0x%x\n"
+				  "p2p_group_capab=0x%x\n",
+				  msg.capability[0], msg.capability[1]);
+		if (ret < 0 || ret >= end - pos)
+			return pos - buf;
+		pos += ret;
+	}
+
+	if (msg.pri_dev_type) {
+		char devtype[WPS_DEV_TYPE_BUFSIZE];
+		ret = os_snprintf(pos, end - pos,
+				  "p2p_primary_device_type=%s\n",
+				  wps_dev_type_bin2str(msg.pri_dev_type,
+						       devtype,
+						       sizeof(devtype)));
+		if (ret < 0 || ret >= end - pos)
+			return pos - buf;
+		pos += ret;
+	}
+
+	ret = os_snprintf(pos, end - pos, "p2p_device_name=%s\n",
+			  msg.device_name);
+	if (ret < 0 || ret >= end - pos)
+		return pos - buf;
+	pos += ret;
+
+	if (msg.p2p_device_addr) {
+		ret = os_snprintf(pos, end - pos, "p2p_device_addr=" MACSTR
+				  "\n",
+				  MAC2STR(msg.p2p_device_addr));
+		if (ret < 0 || ret >= end - pos)
+			return pos - buf;
+		pos += ret;
+	}
+
+	ret = os_snprintf(pos, end - pos, "p2p_config_methods=0x%x\n",
+			  msg.config_methods);
+	if (ret < 0 || ret >= end - pos)
+		return pos - buf;
+	pos += ret;
+
+	ret = p2p_group_info_text(msg.group_info, msg.group_info_len,
+				  pos, end);
+	if (ret < 0)
+		return pos - buf;
+	pos += ret;
+
+	return pos - buf;
+}
+
+
+int p2p_get_cross_connect_disallowed(const struct wpabuf *p2p_ie)
+{
+	struct p2p_message msg;
+
+	os_memset(&msg, 0, sizeof(msg));
+	if (p2p_parse_p2p_ie(p2p_ie, &msg))
+		return 0;
+
+	if (!msg.manageability)
+		return 0;
+
+	return !(msg.manageability[0] & P2P_MAN_CROSS_CONNECTION_PERMITTED);
+}
+
+
+u8 p2p_get_group_capab(const struct wpabuf *p2p_ie)
+{
+	struct p2p_message msg;
+
+	os_memset(&msg, 0, sizeof(msg));
+	if (p2p_parse_p2p_ie(p2p_ie, &msg))
+		return 0;
+
+	if (!msg.capability)
+		return 0;
+
+	return msg.capability[1];
+}
+
+
+const u8 * p2p_get_go_dev_addr(const struct wpabuf *p2p_ie)
+{
+	struct p2p_message msg;
+
+	os_memset(&msg, 0, sizeof(msg));
+	if (p2p_parse_p2p_ie(p2p_ie, &msg))
+		return NULL;
+
+	if (msg.p2p_device_addr)
+		return msg.p2p_device_addr;
+	if (msg.device_id)
+		return msg.device_id;
+
+	return NULL;
+}
diff --git a/src/p2p/p2p_pd.c b/src/p2p/p2p_pd.c
new file mode 100644
index 0000000..e064216
--- /dev/null
+++ b/src/p2p/p2p_pd.c
@@ -0,0 +1,347 @@
+/*
+ * Wi-Fi Direct - P2P provision discovery
+ * Copyright (c) 2009-2010, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "common/ieee802_11_defs.h"
+#include "wps/wps_defs.h"
+#include "p2p_i.h"
+#include "p2p.h"
+
+
+static void p2p_build_wps_ie_config_methods(struct wpabuf *buf,
+					    u16 config_methods)
+{
+	u8 *len;
+	wpabuf_put_u8(buf, WLAN_EID_VENDOR_SPECIFIC);
+	len = wpabuf_put(buf, 1);
+	wpabuf_put_be32(buf, WPS_DEV_OUI_WFA);
+
+	/* Config Methods */
+	wpabuf_put_be16(buf, ATTR_CONFIG_METHODS);
+	wpabuf_put_be16(buf, 2);
+	wpabuf_put_be16(buf, config_methods);
+
+	p2p_buf_update_ie_hdr(buf, len);
+}
+
+
+static struct wpabuf * p2p_build_prov_disc_req(struct p2p_data *p2p,
+					       u8 dialog_token,
+					       u16 config_methods,
+					       struct p2p_device *go)
+{
+	struct wpabuf *buf;
+	u8 *len;
+
+	buf = wpabuf_alloc(1000);
+	if (buf == NULL)
+		return NULL;
+
+	p2p_buf_add_public_action_hdr(buf, P2P_PROV_DISC_REQ, dialog_token);
+
+	len = p2p_buf_add_ie_hdr(buf);
+	p2p_buf_add_capability(buf, p2p->dev_capab, 0);
+	p2p_buf_add_device_info(buf, p2p, NULL);
+	if (go) {
+		p2p_buf_add_group_id(buf, go->info.p2p_device_addr,
+				     go->oper_ssid, go->oper_ssid_len);
+	}
+	p2p_buf_update_ie_hdr(buf, len);
+
+	/* WPS IE with Config Methods attribute */
+	p2p_build_wps_ie_config_methods(buf, config_methods);
+
+	return buf;
+}
+
+
+static struct wpabuf * p2p_build_prov_disc_resp(struct p2p_data *p2p,
+						u8 dialog_token,
+						u16 config_methods)
+{
+	struct wpabuf *buf;
+
+	buf = wpabuf_alloc(100);
+	if (buf == NULL)
+		return NULL;
+
+	p2p_buf_add_public_action_hdr(buf, P2P_PROV_DISC_RESP, dialog_token);
+
+	/* WPS IE with Config Methods attribute */
+	p2p_build_wps_ie_config_methods(buf, config_methods);
+
+	return buf;
+}
+
+
+void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
+			       const u8 *data, size_t len, int rx_freq)
+{
+	struct p2p_message msg;
+	struct p2p_device *dev;
+	int freq;
+	int reject = 1;
+	struct wpabuf *resp;
+
+	if (p2p_parse(data, len, &msg))
+		return;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Received Provision Discovery Request from " MACSTR
+		" with config methods 0x%x (freq=%d)",
+		MAC2STR(sa), msg.wps_config_methods, rx_freq);
+
+	dev = p2p_get_device(p2p, sa);
+	if (dev == NULL || !(dev->flags & P2P_DEV_PROBE_REQ_ONLY)) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Provision Discovery Request from "
+			"unknown peer " MACSTR, MAC2STR(sa));
+		if (p2p_add_device(p2p, sa, rx_freq, 0, data + 1, len - 1)) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			        "P2P: Provision Discovery Request add device "
+				"failed " MACSTR, MAC2STR(sa));
+		}
+	}
+
+	if (!(msg.wps_config_methods &
+	      (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD |
+	       WPS_CONFIG_PUSHBUTTON))) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Unsupported "
+			"Config Methods in Provision Discovery Request");
+		goto out;
+	}
+
+	if (dev)
+		dev->flags &= ~(P2P_DEV_PD_PEER_DISPLAY |
+				P2P_DEV_PD_PEER_KEYPAD);
+	if (msg.wps_config_methods & WPS_CONFIG_DISPLAY) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Peer " MACSTR
+			" requested us to show a PIN on display", MAC2STR(sa));
+		if (dev)
+			dev->flags |= P2P_DEV_PD_PEER_KEYPAD;
+	} else if (msg.wps_config_methods & WPS_CONFIG_KEYPAD) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Peer " MACSTR
+			" requested us to write its PIN using keypad",
+			MAC2STR(sa));
+		if (dev)
+			dev->flags |= P2P_DEV_PD_PEER_DISPLAY;
+	}
+
+	reject = 0;
+
+out:
+	resp = p2p_build_prov_disc_resp(p2p, msg.dialog_token,
+					reject ? 0 : msg.wps_config_methods);
+	if (resp == NULL) {
+		p2p_parse_free(&msg);
+		return;
+	}
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Sending Provision Discovery Response");
+	if (rx_freq > 0)
+		freq = rx_freq;
+	else
+		freq = p2p_channel_to_freq(p2p->cfg->country,
+					   p2p->cfg->reg_class,
+					   p2p->cfg->channel);
+	if (freq < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unknown regulatory class/channel");
+		wpabuf_free(resp);
+		p2p_parse_free(&msg);
+		return;
+	}
+	p2p->pending_action_state = P2P_NO_PENDING_ACTION;
+	if (p2p_send_action(p2p, freq, sa, p2p->cfg->dev_addr,
+			    p2p->cfg->dev_addr,
+			    wpabuf_head(resp), wpabuf_len(resp), 200) < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to send Action frame");
+	}
+
+	wpabuf_free(resp);
+
+	if (!reject && p2p->cfg->prov_disc_req) {
+		const u8 *dev_addr = sa;
+		if (msg.p2p_device_addr)
+			dev_addr = msg.p2p_device_addr;
+		p2p->cfg->prov_disc_req(p2p->cfg->cb_ctx, sa,
+					msg.wps_config_methods,
+					dev_addr, msg.pri_dev_type,
+					msg.device_name, msg.config_methods,
+					msg.capability ? msg.capability[0] : 0,
+					msg.capability ? msg.capability[1] :
+					0);
+
+	}
+	p2p_parse_free(&msg);
+}
+
+
+void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
+				const u8 *data, size_t len)
+{
+	struct p2p_message msg;
+	struct p2p_device *dev;
+	u16 report_config_methods = 0;
+
+	if (p2p_parse(data, len, &msg))
+		return;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Received Provisioning Discovery Response from " MACSTR
+		" with config methods 0x%x",
+		MAC2STR(sa), msg.wps_config_methods);
+
+	dev = p2p_get_device(p2p, sa);
+	if (dev == NULL || !dev->req_config_methods) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Ignore Provisioning Discovery Response from "
+			MACSTR " with no pending request", MAC2STR(sa));
+		p2p_parse_free(&msg);
+		return;
+	}
+
+	if (dev->dialog_token != msg.dialog_token) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Ignore Provisioning Discovery Response with "
+			"unexpected Dialog Token %u (expected %u)",
+			msg.dialog_token, dev->dialog_token);
+		p2p_parse_free(&msg);
+		return;
+	}
+
+	if (msg.wps_config_methods != dev->req_config_methods) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Peer rejected "
+			"our Provisioning Discovery Request");
+		p2p_parse_free(&msg);
+		goto out;
+	}
+
+	report_config_methods = dev->req_config_methods;
+	dev->flags &= ~(P2P_DEV_PD_PEER_DISPLAY |
+			P2P_DEV_PD_PEER_KEYPAD);
+	if (dev->req_config_methods & WPS_CONFIG_DISPLAY) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Peer " MACSTR
+			" accepted to show a PIN on display", MAC2STR(sa));
+		dev->flags |= P2P_DEV_PD_PEER_DISPLAY;
+	} else if (msg.wps_config_methods & WPS_CONFIG_KEYPAD) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Peer " MACSTR
+			" accepted to write our PIN using keypad",
+			MAC2STR(sa));
+		dev->flags |= P2P_DEV_PD_PEER_KEYPAD;
+	}
+	p2p_parse_free(&msg);
+
+out:
+	dev->req_config_methods = 0;
+	p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+	if (p2p->cfg->prov_disc_resp)
+		p2p->cfg->prov_disc_resp(p2p->cfg->cb_ctx, sa,
+					 report_config_methods);
+}
+
+
+int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,
+			   int join)
+{
+	struct wpabuf *req;
+	int freq;
+
+	freq = dev->listen_freq > 0 ? dev->listen_freq : dev->oper_freq;
+	if (freq <= 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No Listen/Operating frequency known for the "
+			"peer " MACSTR " to send Provision Discovery Request",
+			MAC2STR(dev->info.p2p_device_addr));
+		return -1;
+	}
+
+	if (dev->flags & P2P_DEV_GROUP_CLIENT_ONLY) {
+		if (!(dev->info.dev_capab &
+		      P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY)) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Cannot use PD with P2P Device " MACSTR
+				" that is in a group and is not discoverable",
+				MAC2STR(dev->info.p2p_device_addr));
+			return -1;
+		}
+		/* TODO: use device discoverability request through GO */
+	}
+
+	dev->dialog_token++;
+	if (dev->dialog_token == 0)
+		dev->dialog_token = 1;
+	req = p2p_build_prov_disc_req(p2p, dev->dialog_token,
+				      dev->req_config_methods,
+				      join ? dev : NULL);
+	if (req == NULL)
+		return -1;
+
+	p2p->pending_action_state = P2P_PENDING_PD;
+	if (p2p_send_action(p2p, freq, dev->info.p2p_device_addr,
+			    p2p->cfg->dev_addr, dev->info.p2p_device_addr,
+			    wpabuf_head(req), wpabuf_len(req), 200) < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to send Action frame");
+		wpabuf_free(req);
+		return -1;
+	}
+
+	wpabuf_free(req);
+	return 0;
+}
+
+
+int p2p_prov_disc_req(struct p2p_data *p2p, const u8 *peer_addr,
+		      u16 config_methods, int join)
+{
+	struct p2p_device *dev;
+
+	dev = p2p_get_device(p2p, peer_addr);
+	if (dev == NULL)
+		dev = p2p_get_device_interface(p2p, peer_addr);
+	if (dev == NULL || (dev->flags & P2P_DEV_PROBE_REQ_ONLY)) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Provision "
+			"Discovery Request destination " MACSTR
+			" not yet known", MAC2STR(peer_addr));
+		return -1;
+	}
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Provision Discovery "
+		"Request with " MACSTR " (config methods 0x%x)",
+		MAC2STR(peer_addr), config_methods);
+	if (config_methods == 0)
+		return -1;
+
+	dev->req_config_methods = config_methods;
+	if (join)
+		dev->flags |= P2P_DEV_PD_FOR_JOIN;
+	else
+		dev->flags &= ~P2P_DEV_PD_FOR_JOIN;
+
+	if (p2p->go_neg_peer ||
+	    (p2p->state != P2P_IDLE && p2p->state != P2P_SEARCH &&
+	     p2p->state != P2P_LISTEN_ONLY)) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Busy with other "
+			"operations; postpone Provision Discovery Request "
+			"with " MACSTR " (config methods 0x%x)",
+			MAC2STR(peer_addr), config_methods);
+		return 0;
+	}
+
+	return p2p_send_prov_disc_req(p2p, dev, join);
+}
diff --git a/src/p2p/p2p_sd.c b/src/p2p/p2p_sd.c
new file mode 100644
index 0000000..926fc03
--- /dev/null
+++ b/src/p2p/p2p_sd.c
@@ -0,0 +1,951 @@
+/*
+ * Wi-Fi Direct - P2P service discovery
+ * Copyright (c) 2009, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "common/ieee802_11_defs.h"
+#include "p2p_i.h"
+#include "p2p.h"
+
+
+struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p,
+					 struct p2p_device *dev)
+{
+	struct p2p_sd_query *q;
+
+	if (!(dev->info.dev_capab & P2P_DEV_CAPAB_SERVICE_DISCOVERY))
+		return 0; /* peer does not support SD */
+
+	for (q = p2p->sd_queries; q; q = q->next) {
+		if (q->for_all_peers && !(dev->flags & P2P_DEV_SD_INFO))
+			return q;
+		if (!q->for_all_peers &&
+		    os_memcmp(q->peer, dev->info.p2p_device_addr, ETH_ALEN) ==
+		    0)
+			return q;
+	}
+
+	return NULL;
+}
+
+
+static int p2p_unlink_sd_query(struct p2p_data *p2p,
+			       struct p2p_sd_query *query)
+{
+	struct p2p_sd_query *q, *prev;
+	q = p2p->sd_queries;
+	prev = NULL;
+	while (q) {
+		if (q == query) {
+			if (prev)
+				prev->next = q->next;
+			else
+				p2p->sd_queries = q->next;
+			if (p2p->sd_query == query)
+				p2p->sd_query = NULL;
+			return 1;
+		}
+		prev = q;
+		q = q->next;
+	}
+	return 0;
+}
+
+
+static void p2p_free_sd_query(struct p2p_sd_query *q)
+{
+	if (q == NULL)
+		return;
+	wpabuf_free(q->tlvs);
+	os_free(q);
+}
+
+
+void p2p_free_sd_queries(struct p2p_data *p2p)
+{
+	struct p2p_sd_query *q, *prev;
+	q = p2p->sd_queries;
+	p2p->sd_queries = NULL;
+	while (q) {
+		prev = q;
+		q = q->next;
+		p2p_free_sd_query(prev);
+	}
+}
+
+
+static struct wpabuf * p2p_build_sd_query(u16 update_indic,
+					  struct wpabuf *tlvs)
+{
+	struct wpabuf *buf;
+	u8 *len_pos, *len_pos2;
+
+	buf = wpabuf_alloc(1000 + wpabuf_len(tlvs));
+	if (buf == NULL)
+		return NULL;
+
+	wpabuf_put_u8(buf, WLAN_ACTION_PUBLIC);
+	wpabuf_put_u8(buf, WLAN_PA_GAS_INITIAL_REQ);
+	wpabuf_put_u8(buf, 0); /* Dialog Token */
+
+	/* Advertisement Protocol IE */
+	wpabuf_put_u8(buf, WLAN_EID_ADV_PROTO);
+	wpabuf_put_u8(buf, 2); /* Length */
+	wpabuf_put_u8(buf, 0); /* QueryRespLenLimit | PAME-BI */
+	wpabuf_put_u8(buf, NATIVE_QUERY_PROTOCOL); /* Advertisement Protocol */
+
+	/* Query Request */
+	len_pos = wpabuf_put(buf, 2); /* Length (to be filled) */
+
+	/* NQP Query Request Frame */
+	wpabuf_put_le16(buf, NQP_VENDOR_SPECIFIC); /* Info ID */
+	len_pos2 = wpabuf_put(buf, 2); /* Length (to be filled) */
+	wpabuf_put_be24(buf, OUI_WFA);
+	wpabuf_put_u8(buf, P2P_OUI_TYPE);
+	wpabuf_put_le16(buf, update_indic); /* Service Update Indicator */
+	wpabuf_put_buf(buf, tlvs);
+
+	WPA_PUT_LE16(len_pos2, (u8 *) wpabuf_put(buf, 0) - len_pos2 - 2);
+	WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(buf, 0) - len_pos - 2);
+
+	return buf;
+}
+
+
+static struct wpabuf * p2p_build_gas_comeback_req(u8 dialog_token)
+{
+	struct wpabuf *buf;
+
+	buf = wpabuf_alloc(3);
+	if (buf == NULL)
+		return NULL;
+
+	wpabuf_put_u8(buf, WLAN_ACTION_PUBLIC);
+	wpabuf_put_u8(buf, WLAN_PA_GAS_COMEBACK_REQ);
+	wpabuf_put_u8(buf, dialog_token);
+
+	return buf;
+}
+
+
+static void p2p_send_gas_comeback_req(struct p2p_data *p2p, const u8 *dst,
+				      u8 dialog_token, int freq)
+{
+	struct wpabuf *req;
+
+	req = p2p_build_gas_comeback_req(dialog_token);
+	if (req == NULL)
+		return;
+
+	p2p->pending_action_state = P2P_NO_PENDING_ACTION;
+	if (p2p_send_action(p2p, freq, dst, p2p->cfg->dev_addr, dst,
+			    wpabuf_head(req), wpabuf_len(req), 200) < 0)
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to send Action frame");
+
+	wpabuf_free(req);
+}
+
+
+static struct wpabuf * p2p_build_sd_response(u8 dialog_token, u16 status_code,
+					     u16 comeback_delay,
+					     u16 update_indic,
+					     const struct wpabuf *tlvs)
+{
+	struct wpabuf *buf;
+	u8 *len_pos, *len_pos2;
+
+	buf = wpabuf_alloc(1000 + (tlvs ? wpabuf_len(tlvs) : 0));
+	if (buf == NULL)
+		return NULL;
+
+	wpabuf_put_u8(buf, WLAN_ACTION_PUBLIC);
+	wpabuf_put_u8(buf, WLAN_PA_GAS_INITIAL_RESP);
+	wpabuf_put_u8(buf, dialog_token);
+	wpabuf_put_le16(buf, status_code);
+	wpabuf_put_le16(buf, comeback_delay);
+
+	/* Advertisement Protocol IE */
+	wpabuf_put_u8(buf, WLAN_EID_ADV_PROTO);
+	wpabuf_put_u8(buf, 2); /* Length */
+	wpabuf_put_u8(buf, 0x7f); /* QueryRespLenLimit | PAME-BI */
+	wpabuf_put_u8(buf, NATIVE_QUERY_PROTOCOL); /* Advertisement Protocol */
+
+	/* Query Response */
+	len_pos = wpabuf_put(buf, 2); /* Length (to be filled) */
+
+	if (tlvs) {
+		/* NQP Query Response Frame */
+		wpabuf_put_le16(buf, NQP_VENDOR_SPECIFIC); /* Info ID */
+		len_pos2 = wpabuf_put(buf, 2); /* Length (to be filled) */
+		wpabuf_put_be24(buf, OUI_WFA);
+		wpabuf_put_u8(buf, P2P_OUI_TYPE);
+		 /* Service Update Indicator */
+		wpabuf_put_le16(buf, update_indic);
+		wpabuf_put_buf(buf, tlvs);
+
+		WPA_PUT_LE16(len_pos2,
+			     (u8 *) wpabuf_put(buf, 0) - len_pos2 - 2);
+	}
+
+	WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(buf, 0) - len_pos - 2);
+
+	return buf;
+}
+
+
+static struct wpabuf * p2p_build_gas_comeback_resp(u8 dialog_token,
+						   u16 status_code,
+						   u16 update_indic,
+						   const u8 *data, size_t len,
+						   u8 frag_id, u8 more,
+						   u16 total_len)
+{
+	struct wpabuf *buf;
+	u8 *len_pos;
+
+	buf = wpabuf_alloc(1000 + len);
+	if (buf == NULL)
+		return NULL;
+
+	wpabuf_put_u8(buf, WLAN_ACTION_PUBLIC);
+	wpabuf_put_u8(buf, WLAN_PA_GAS_COMEBACK_RESP);
+	wpabuf_put_u8(buf, dialog_token);
+	wpabuf_put_le16(buf, status_code);
+	wpabuf_put_u8(buf, frag_id | (more ? 0x80 : 0));
+	wpabuf_put_le16(buf, 0); /* Comeback Delay */
+
+	/* Advertisement Protocol IE */
+	wpabuf_put_u8(buf, WLAN_EID_ADV_PROTO);
+	wpabuf_put_u8(buf, 2); /* Length */
+	wpabuf_put_u8(buf, 0x7f); /* QueryRespLenLimit | PAME-BI */
+	wpabuf_put_u8(buf, NATIVE_QUERY_PROTOCOL); /* Advertisement Protocol */
+
+	/* Query Response */
+	len_pos = wpabuf_put(buf, 2); /* Length (to be filled) */
+
+	if (frag_id == 0) {
+		/* NQP Query Response Frame */
+		wpabuf_put_le16(buf, NQP_VENDOR_SPECIFIC); /* Info ID */
+		wpabuf_put_le16(buf, 3 + 1 + 2 + total_len);
+		wpabuf_put_be24(buf, OUI_WFA);
+		wpabuf_put_u8(buf, P2P_OUI_TYPE);
+		/* Service Update Indicator */
+		wpabuf_put_le16(buf, update_indic);
+	}
+
+	wpabuf_put_data(buf, data, len);
+
+	WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(buf, 0) - len_pos - 2);
+
+	return buf;
+}
+
+
+int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev)
+{
+	struct wpabuf *req;
+	int ret = 0;
+	struct p2p_sd_query *query;
+	int freq;
+
+	freq = dev->listen_freq > 0 ? dev->listen_freq : dev->oper_freq;
+	if (freq <= 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: No Listen/Operating frequency known for the "
+			"peer " MACSTR " to send SD Request",
+			MAC2STR(dev->info.p2p_device_addr));
+		return -1;
+	}
+
+	query = p2p_pending_sd_req(p2p, dev);
+	if (query == NULL)
+		return -1;
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Start Service Discovery with " MACSTR,
+		MAC2STR(dev->info.p2p_device_addr));
+
+	req = p2p_build_sd_query(p2p->srv_update_indic, query->tlvs);
+	if (req == NULL)
+		return -1;
+
+	p2p->sd_peer = dev;
+	p2p->sd_query = query;
+	p2p->pending_action_state = P2P_PENDING_SD;
+
+	if (p2p_send_action(p2p, freq, dev->info.p2p_device_addr,
+			    p2p->cfg->dev_addr, dev->info.p2p_device_addr,
+			    wpabuf_head(req), wpabuf_len(req), 5000) < 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to send Action frame");
+		ret = -1;
+	}
+
+	wpabuf_free(req);
+
+	return ret;
+}
+
+
+void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa,
+			    const u8 *data, size_t len, int rx_freq)
+{
+	const u8 *pos = data;
+	const u8 *end = data + len;
+	const u8 *next;
+	u8 dialog_token;
+	u16 slen;
+	int freq;
+	u16 update_indic;
+
+
+	if (p2p->cfg->sd_request == NULL)
+		return;
+
+	if (rx_freq > 0)
+		freq = rx_freq;
+	else
+		freq = p2p_channel_to_freq(p2p->cfg->country,
+					   p2p->cfg->reg_class,
+					   p2p->cfg->channel);
+	if (freq < 0)
+		return;
+
+	if (len < 1 + 2)
+		return;
+
+	dialog_token = *pos++;
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: GAS Initial Request from " MACSTR " (dialog token %u, "
+		"freq %d)",
+		MAC2STR(sa), dialog_token, rx_freq);
+
+	if (*pos != WLAN_EID_ADV_PROTO) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unexpected IE in GAS Initial Request: %u", *pos);
+		return;
+	}
+	pos++;
+
+	slen = *pos++;
+	next = pos + slen;
+	if (next > end || slen < 2) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Invalid IE in GAS Initial Request");
+		return;
+	}
+	pos++; /* skip QueryRespLenLimit and PAME-BI */
+
+	if (*pos != NATIVE_QUERY_PROTOCOL) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unsupported GAS advertisement protocol id %u",
+			*pos);
+		return;
+	}
+
+	pos = next;
+	/* Query Request */
+	if (pos + 2 > end)
+		return;
+	slen = WPA_GET_LE16(pos);
+	pos += 2;
+	if (pos + slen > end)
+		return;
+	end = pos + slen;
+
+	/* NQP Query Request */
+	if (pos + 4 > end)
+		return;
+	if (WPA_GET_LE16(pos) != NQP_VENDOR_SPECIFIC) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unsupported NQP Info ID %u", WPA_GET_LE16(pos));
+		return;
+	}
+	pos += 2;
+
+	slen = WPA_GET_LE16(pos);
+	pos += 2;
+	if (pos + slen > end || slen < 3 + 1) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Invalid NQP Query Request length");
+		return;
+	}
+
+	if (WPA_GET_BE24(pos) != OUI_WFA) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unsupported NQP OUI %06x", WPA_GET_BE24(pos));
+		return;
+	}
+	pos += 3;
+
+	if (*pos != P2P_OUI_TYPE) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unsupported NQP vendor type %u", *pos);
+		return;
+	}
+	pos++;
+
+	if (pos + 2 > end)
+		return;
+	update_indic = WPA_GET_LE16(pos);
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Service Update Indicator: %u", update_indic);
+	pos += 2;
+
+	p2p->cfg->sd_request(p2p->cfg->cb_ctx, freq, sa, dialog_token,
+			     update_indic, pos, end - pos);
+	/* the response will be indicated with a call to p2p_sd_response() */
+}
+
+
+void p2p_sd_response(struct p2p_data *p2p, int freq, const u8 *dst,
+		     u8 dialog_token, const struct wpabuf *resp_tlvs)
+{
+	struct wpabuf *resp;
+
+	/* TODO: fix the length limit to match with the maximum frame length */
+	if (wpabuf_len(resp_tlvs) > 1400) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: SD response long "
+			"enough to require fragmentation");
+		if (p2p->sd_resp) {
+			/*
+			 * TODO: Could consider storing the fragmented response
+			 * separately for each peer to avoid having to drop old
+			 * one if there is more than one pending SD query.
+			 * Though, that would eat more memory, so there are
+			 * also benefits to just using a single buffer.
+			 */
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Drop "
+				"previous SD response");
+			wpabuf_free(p2p->sd_resp);
+		}
+		os_memcpy(p2p->sd_resp_addr, dst, ETH_ALEN);
+		p2p->sd_resp_dialog_token = dialog_token;
+		p2p->sd_resp = wpabuf_dup(resp_tlvs);
+		p2p->sd_resp_pos = 0;
+		p2p->sd_frag_id = 0;
+		resp = p2p_build_sd_response(dialog_token, WLAN_STATUS_SUCCESS,
+					     1, p2p->srv_update_indic, NULL);
+	} else {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: SD response fits "
+			"in initial response");
+		resp = p2p_build_sd_response(dialog_token,
+					     WLAN_STATUS_SUCCESS, 0,
+					     p2p->srv_update_indic, resp_tlvs);
+	}
+	if (resp == NULL)
+		return;
+
+	p2p->pending_action_state = P2P_NO_PENDING_ACTION;
+	if (p2p_send_action(p2p, freq, dst, p2p->cfg->dev_addr,
+			    p2p->cfg->dev_addr,
+			    wpabuf_head(resp), wpabuf_len(resp), 200) < 0)
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to send Action frame");
+
+	wpabuf_free(resp);
+}
+
+
+void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa,
+			     const u8 *data, size_t len, int rx_freq)
+{
+	const u8 *pos = data;
+	const u8 *end = data + len;
+	const u8 *next;
+	u8 dialog_token;
+	u16 status_code;
+	u16 comeback_delay;
+	u16 slen;
+	u16 update_indic;
+
+	if (p2p->state != P2P_SD_DURING_FIND || p2p->sd_peer == NULL ||
+	    os_memcmp(sa, p2p->sd_peer->info.p2p_device_addr, ETH_ALEN) != 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Ignore unexpected GAS Initial Response from "
+			MACSTR, MAC2STR(sa));
+		return;
+	}
+	p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+	p2p_clear_timeout(p2p);
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Received GAS Initial Response from " MACSTR " (len=%d)",
+		MAC2STR(sa), (int) len);
+
+	if (len < 5 + 2) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Too short GAS Initial Response frame");
+		return;
+	}
+
+	dialog_token = *pos++;
+	/* TODO: check dialog_token match */
+	status_code = WPA_GET_LE16(pos);
+	pos += 2;
+	comeback_delay = WPA_GET_LE16(pos);
+	pos += 2;
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: dialog_token=%u status_code=%u comeback_delay=%u",
+		dialog_token, status_code, comeback_delay);
+	if (status_code) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Service Discovery failed: status code %u",
+			status_code);
+		return;
+	}
+
+	if (*pos != WLAN_EID_ADV_PROTO) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unexpected IE in GAS Initial Response: %u",
+			*pos);
+		return;
+	}
+	pos++;
+
+	slen = *pos++;
+	next = pos + slen;
+	if (next > end || slen < 2) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Invalid IE in GAS Initial Response");
+		return;
+	}
+	pos++; /* skip QueryRespLenLimit and PAME-BI */
+
+	if (*pos != NATIVE_QUERY_PROTOCOL) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unsupported GAS advertisement protocol id %u",
+			*pos);
+		return;
+	}
+
+	pos = next;
+	/* Query Response */
+	if (pos + 2 > end) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Too short Query "
+			"Response");
+		return;
+	}
+	slen = WPA_GET_LE16(pos);
+	pos += 2;
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Query Response Length: %d",
+		slen);
+	if (pos + slen > end) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Not enough Query "
+			"Response data");
+		return;
+	}
+	end = pos + slen;
+
+	if (comeback_delay) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Fragmented "
+			"response - request fragments");
+		if (p2p->sd_rx_resp) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Drop "
+				"old SD reassembly buffer");
+			wpabuf_free(p2p->sd_rx_resp);
+			p2p->sd_rx_resp = NULL;
+		}
+		p2p_send_gas_comeback_req(p2p, sa, dialog_token, rx_freq);
+		return;
+	}
+
+	/* NQP Query Response */
+	if (pos + 4 > end)
+		return;
+	if (WPA_GET_LE16(pos) != NQP_VENDOR_SPECIFIC) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unsupported NQP Info ID %u", WPA_GET_LE16(pos));
+		return;
+	}
+	pos += 2;
+
+	slen = WPA_GET_LE16(pos);
+	pos += 2;
+	if (pos + slen > end || slen < 3 + 1) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Invalid NQP Query Response length");
+		return;
+	}
+
+	if (WPA_GET_BE24(pos) != OUI_WFA) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unsupported NQP OUI %06x", WPA_GET_BE24(pos));
+		return;
+	}
+	pos += 3;
+
+	if (*pos != P2P_OUI_TYPE) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unsupported NQP vendor type %u", *pos);
+		return;
+	}
+	pos++;
+
+	if (pos + 2 > end)
+		return;
+	update_indic = WPA_GET_LE16(pos);
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Service Update Indicator: %u", update_indic);
+	pos += 2;
+
+	p2p->sd_peer->flags |= P2P_DEV_SD_INFO;
+	p2p->sd_peer->flags &= ~P2P_DEV_SD_SCHEDULE;
+	p2p->sd_peer = NULL;
+
+	if (p2p->sd_query) {
+		if (!p2p->sd_query->for_all_peers) {
+			struct p2p_sd_query *q;
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Remove completed SD query %p",
+				p2p->sd_query);
+			q = p2p->sd_query;
+			p2p_unlink_sd_query(p2p, p2p->sd_query);
+			p2p_free_sd_query(q);
+		}
+		p2p->sd_query = NULL;
+	}
+
+	if (p2p->cfg->sd_response)
+		p2p->cfg->sd_response(p2p->cfg->cb_ctx, sa, update_indic,
+				      pos, end - pos);
+	p2p_continue_find(p2p);
+}
+
+
+void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa,
+			     const u8 *data, size_t len, int rx_freq)
+{
+	struct wpabuf *resp;
+	u8 dialog_token;
+	size_t frag_len;
+	int more = 0;
+
+	wpa_hexdump(MSG_DEBUG, "P2P: RX GAS Comeback Request", data, len);
+	if (len < 1)
+		return;
+	dialog_token = *data;
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Dialog Token: %u",
+		dialog_token);
+	if (dialog_token != p2p->sd_resp_dialog_token) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: No pending SD "
+			"response fragment for dialog token %u", dialog_token);
+		return;
+	}
+
+	if (p2p->sd_resp == NULL) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: No pending SD "
+			"response fragment available");
+		return;
+	}
+	if (os_memcmp(sa, p2p->sd_resp_addr, ETH_ALEN) != 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: No pending SD "
+			"response fragment for " MACSTR, MAC2STR(sa));
+		return;
+	}
+
+	frag_len = wpabuf_len(p2p->sd_resp) - p2p->sd_resp_pos;
+	if (frag_len > 1400) {
+		frag_len = 1400;
+		more = 1;
+	}
+	resp = p2p_build_gas_comeback_resp(dialog_token, WLAN_STATUS_SUCCESS,
+					   p2p->srv_update_indic,
+					   wpabuf_head_u8(p2p->sd_resp) +
+					   p2p->sd_resp_pos, frag_len,
+					   p2p->sd_frag_id, more,
+					   wpabuf_len(p2p->sd_resp));
+	if (resp == NULL)
+		return;
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Send GAS Comeback "
+		"Response (frag_id %d more=%d frag_len=%d)",
+		p2p->sd_frag_id, more, (int) frag_len);
+	p2p->sd_frag_id++;
+	p2p->sd_resp_pos += frag_len;
+
+	if (more) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: %d more bytes "
+			"remain to be sent",
+			(int) (wpabuf_len(p2p->sd_resp) - p2p->sd_resp_pos));
+	} else {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: All fragments of "
+			"SD response sent");
+		wpabuf_free(p2p->sd_resp);
+		p2p->sd_resp = NULL;
+	}
+
+	p2p->pending_action_state = P2P_NO_PENDING_ACTION;
+	if (p2p_send_action(p2p, rx_freq, sa, p2p->cfg->dev_addr,
+			    p2p->cfg->dev_addr,
+			    wpabuf_head(resp), wpabuf_len(resp), 200) < 0)
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Failed to send Action frame");
+
+	wpabuf_free(resp);
+}
+
+
+void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa,
+			      const u8 *data, size_t len, int rx_freq)
+{
+	const u8 *pos = data;
+	const u8 *end = data + len;
+	const u8 *next;
+	u8 dialog_token;
+	u16 status_code;
+	u8 frag_id;
+	u8 more_frags;
+	u16 comeback_delay;
+	u16 slen;
+
+	wpa_hexdump(MSG_DEBUG, "P2P: RX GAS Comeback Response", data, len);
+
+	if (p2p->state != P2P_SD_DURING_FIND || p2p->sd_peer == NULL ||
+	    os_memcmp(sa, p2p->sd_peer->info.p2p_device_addr, ETH_ALEN) != 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Ignore unexpected GAS Comeback Response from "
+			MACSTR, MAC2STR(sa));
+		return;
+	}
+	p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+	p2p_clear_timeout(p2p);
+
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Received GAS Comeback Response from " MACSTR " (len=%d)",
+		MAC2STR(sa), (int) len);
+
+	if (len < 6 + 2) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Too short GAS Comeback Response frame");
+		return;
+	}
+
+	dialog_token = *pos++;
+	/* TODO: check dialog_token match */
+	status_code = WPA_GET_LE16(pos);
+	pos += 2;
+	frag_id = *pos & 0x7f;
+	more_frags = (*pos & 0x80) >> 7;
+	pos++;
+	comeback_delay = WPA_GET_LE16(pos);
+	pos += 2;
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: dialog_token=%u status_code=%u frag_id=%d more_frags=%d "
+		"comeback_delay=%u",
+		dialog_token, status_code, frag_id, more_frags,
+		comeback_delay);
+	/* TODO: check frag_id match */
+	if (status_code) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Service Discovery failed: status code %u",
+			status_code);
+		return;
+	}
+
+	if (*pos != WLAN_EID_ADV_PROTO) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unexpected IE in GAS Comeback Response: %u",
+			*pos);
+		return;
+	}
+	pos++;
+
+	slen = *pos++;
+	next = pos + slen;
+	if (next > end || slen < 2) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Invalid IE in GAS Comeback Response");
+		return;
+	}
+	pos++; /* skip QueryRespLenLimit and PAME-BI */
+
+	if (*pos != NATIVE_QUERY_PROTOCOL) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unsupported GAS advertisement protocol id %u",
+			*pos);
+		return;
+	}
+
+	pos = next;
+	/* Query Response */
+	if (pos + 2 > end) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Too short Query "
+			"Response");
+		return;
+	}
+	slen = WPA_GET_LE16(pos);
+	pos += 2;
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Query Response Length: %d",
+		slen);
+	if (pos + slen > end) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Not enough Query "
+			"Response data");
+		return;
+	}
+	if (slen == 0) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: No Query Response "
+			"data");
+		return;
+	}
+	end = pos + slen;
+
+	if (p2p->sd_rx_resp) {
+		 /*
+		  * NQP header is only included in the first fragment; rest of
+		  * the fragments start with continue TLVs.
+		  */
+		goto skip_nqp_header;
+	}
+
+	/* NQP Query Response */
+	if (pos + 4 > end)
+		return;
+	if (WPA_GET_LE16(pos) != NQP_VENDOR_SPECIFIC) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unsupported NQP Info ID %u", WPA_GET_LE16(pos));
+		return;
+	}
+	pos += 2;
+
+	slen = WPA_GET_LE16(pos);
+	pos += 2;
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: NQP Query Response "
+		"length: %u", slen);
+	if (slen < 3 + 1) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Invalid NQP Query Response length");
+		return;
+	}
+	if (pos + 4 > end)
+		return;
+
+	if (WPA_GET_BE24(pos) != OUI_WFA) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unsupported NQP OUI %06x", WPA_GET_BE24(pos));
+		return;
+	}
+	pos += 3;
+
+	if (*pos != P2P_OUI_TYPE) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Unsupported NQP vendor type %u", *pos);
+		return;
+	}
+	pos++;
+
+	if (pos + 2 > end)
+		return;
+	p2p->sd_rx_update_indic = WPA_GET_LE16(pos);
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+		"P2P: Service Update Indicator: %u", p2p->sd_rx_update_indic);
+	pos += 2;
+
+skip_nqp_header:
+	if (wpabuf_resize(&p2p->sd_rx_resp, end - pos) < 0)
+		return;
+	wpabuf_put_data(p2p->sd_rx_resp, pos, end - pos);
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Current SD reassembly "
+		"buffer length: %u",
+		(unsigned int) wpabuf_len(p2p->sd_rx_resp));
+
+	if (more_frags) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: More fragments "
+			"remains");
+		/* TODO: what would be a good size limit? */
+		if (wpabuf_len(p2p->sd_rx_resp) > 64000) {
+			wpabuf_free(p2p->sd_rx_resp);
+			p2p->sd_rx_resp = NULL;
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Too long "
+				"SD response - drop it");
+			return;
+		}
+		p2p_send_gas_comeback_req(p2p, sa, dialog_token, rx_freq);
+		return;
+	}
+
+	p2p->sd_peer->flags |= P2P_DEV_SD_INFO;
+	p2p->sd_peer->flags &= ~P2P_DEV_SD_SCHEDULE;
+	p2p->sd_peer = NULL;
+
+	if (p2p->sd_query) {
+		if (!p2p->sd_query->for_all_peers) {
+			struct p2p_sd_query *q;
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Remove completed SD query %p",
+				p2p->sd_query);
+			q = p2p->sd_query;
+			p2p_unlink_sd_query(p2p, p2p->sd_query);
+			p2p_free_sd_query(q);
+		}
+		p2p->sd_query = NULL;
+	}
+
+	if (p2p->cfg->sd_response)
+		p2p->cfg->sd_response(p2p->cfg->cb_ctx, sa,
+				      p2p->sd_rx_update_indic,
+				      wpabuf_head(p2p->sd_rx_resp),
+				      wpabuf_len(p2p->sd_rx_resp));
+	wpabuf_free(p2p->sd_rx_resp);
+	p2p->sd_rx_resp = NULL;
+
+	p2p_continue_find(p2p);
+}
+
+
+void * p2p_sd_request(struct p2p_data *p2p, const u8 *dst,
+		      const struct wpabuf *tlvs)
+{
+	struct p2p_sd_query *q;
+
+	q = os_zalloc(sizeof(*q));
+	if (q == NULL)
+		return NULL;
+
+	if (dst)
+		os_memcpy(q->peer, dst, ETH_ALEN);
+	else
+		q->for_all_peers = 1;
+
+	q->tlvs = wpabuf_dup(tlvs);
+	if (q->tlvs == NULL) {
+		p2p_free_sd_query(q);
+		return NULL;
+	}
+
+	q->next = p2p->sd_queries;
+	p2p->sd_queries = q;
+	wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Added SD Query %p", q);
+
+	return q;
+}
+
+
+void p2p_sd_service_update(struct p2p_data *p2p)
+{
+	p2p->srv_update_indic++;
+}
+
+
+int p2p_sd_cancel_request(struct p2p_data *p2p, void *req)
+{
+	if (p2p_unlink_sd_query(p2p, req)) {
+		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+			"P2P: Cancel pending SD query %p", req);
+		p2p_free_sd_query(req);
+		return 0;
+	}
+	return -1;
+}
diff --git a/src/p2p/p2p_utils.c b/src/p2p/p2p_utils.c
new file mode 100644
index 0000000..da4b6ed
--- /dev/null
+++ b/src/p2p/p2p_utils.c
@@ -0,0 +1,271 @@
+/*
+ * P2P - generic helper functions
+ * Copyright (c) 2009, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "p2p_i.h"
+
+
+/**
+ * p2p_random - Generate random string for SSID and passphrase
+ * @buf: Buffer for returning the result
+ * @len: Number of octets to write to the buffer
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function generates a random string using the following character set:
+ * 'A'-'Z', 'a'-'z', '0'-'9'.
+ */
+int p2p_random(char *buf, size_t len)
+{
+	u8 val;
+	size_t i;
+	u8 letters = 'Z' - 'A' + 1;
+	u8 numbers = 10;
+
+	if (os_get_random((unsigned char *) buf, len))
+		return -1;
+	/* Character set: 'A'-'Z', 'a'-'z', '0'-'9' */
+	for (i = 0; i < len; i++) {
+		val = buf[i];
+		val %= 2 * letters + numbers;
+		if (val < letters)
+			buf[i] = 'A' + val;
+		else if (val < 2 * letters)
+			buf[i] = 'a' + (val - letters);
+		else
+			buf[i] = '0' + (val - 2 * letters);
+	}
+
+	return 0;
+}
+
+
+static int p2p_channel_to_freq_j4(int reg_class, int channel)
+{
+	/* Table J-4 in P802.11REVmb/D4.0 - Global operating classes */
+	/* TODO: more regulatory classes */
+	switch (reg_class) {
+	case 81:
+		/* channels 1..13 */
+		if (channel < 1 || channel > 13)
+			return -1;
+		return 2407 + 5 * channel;
+	case 82:
+		/* channel 14 */
+		if (channel != 14)
+			return -1;
+		return 2414 + 5 * channel;
+	case 83: /* channels 1..9; 40 MHz */
+	case 84: /* channels 5..13; 40 MHz */
+		if (channel < 1 || channel > 13)
+			return -1;
+		return 2407 + 5 * channel;
+	case 115: /* channels 36,40,44,48; indoor only */
+	case 118: /* channels 52,56,60,64; dfs */
+		if (channel < 36 || channel > 64)
+			return -1;
+		return 5000 + 5 * channel;
+	case 124: /* channels 149,153,157,161 */
+	case 125: /* channels 149,153,157,161,165,169 */
+		if (channel < 149 || channel > 161)
+			return -1;
+		return 5000 + 5 * channel;
+	case 116: /* channels 36,44; 40 MHz; indoor only */
+	case 117: /* channels 40,48; 40 MHz; indoor only */
+	case 119: /* channels 52,60; 40 MHz; dfs */
+	case 120: /* channels 56,64; 40 MHz; dfs */
+		if (channel < 36 || channel > 64)
+			return -1;
+		return 5000 + 5 * channel;
+	case 126: /* channels 149,157; 40 MHz */
+	case 127: /* channels 153,161; 40 MHz */
+		if (channel < 149 || channel > 161)
+			return -1;
+		return 5000 + 5 * channel;
+	}
+	return -1;
+}
+
+
+/**
+ * p2p_channel_to_freq - Convert channel info to frequency
+ * @country: Country code
+ * @reg_class: Regulatory class
+ * @channel: Channel number
+ * Returns: Frequency in MHz or -1 if the specified channel is unknown
+ */
+int p2p_channel_to_freq(const char *country, int reg_class, int channel)
+{
+	if (country[2] == 0x04)
+		return p2p_channel_to_freq_j4(reg_class, channel);
+
+	/* These are mainly for backwards compatibility; to be removed */
+	switch (reg_class) {
+	case 1: /* US/1, EU/1, JP/1 = 5 GHz, channels 36,40,44,48 */
+		if (channel < 36 || channel > 48)
+			return -1;
+		return 5000 + 5 * channel;
+	case 3: /* US/3 = 5 GHz, channels 149,153,157,161 */
+	case 5: /* US/5 = 5 GHz, channels 149,153,157,161 */
+		if (channel < 149 || channel > 161)
+			return -1;
+		return 5000 + 5 * channel;
+	case 4: /* EU/4 = 2.407 GHz, channels 1..13 */
+	case 12: /* US/12 = 2.407 GHz, channels 1..11 */
+	case 30: /* JP/30 = 2.407 GHz, channels 1..13 */
+		if (channel < 1 || channel > 13)
+			return -1;
+		return 2407 + 5 * channel;
+	case 31: /* JP/31 = 2.414 GHz, channel 14 */
+		if (channel != 14)
+			return -1;
+		return 2414 + 5 * channel;
+	}
+
+	return -1;
+}
+
+
+/**
+ * p2p_freq_to_channel - Convert frequency into channel info
+ * @country: Country code
+ * @reg_class: Buffer for returning regulatory class
+ * @channel: Buffer for returning channel number
+ * Returns: 0 on success, -1 if the specified frequency is unknown
+ */
+int p2p_freq_to_channel(const char *country, unsigned int freq, u8 *reg_class,
+			u8 *channel)
+{
+	/* TODO: more operating classes */
+	if (freq >= 2412 && freq <= 2472) {
+		*reg_class = 81; /* 2.407 GHz, channels 1..13 */
+		*channel = (freq - 2407) / 5;
+		return 0;
+	}
+
+	if (freq == 2484) {
+		*reg_class = 82; /* channel 14 */
+		*channel = 14;
+		return 0;
+	}
+
+	if (freq >= 5180 && freq <= 5240) {
+		*reg_class = 115; /* 5 GHz, channels 36..48 */
+		*channel = (freq - 5000) / 5;
+		return 0;
+	}
+
+	if (freq >= 5745 && freq <= 5805) {
+		*reg_class = 124; /* 5 GHz, channels 149..161 */
+		*channel = (freq - 5000) / 5;
+		return 0;
+	}
+
+	return -1;
+}
+
+
+static void p2p_reg_class_intersect(const struct p2p_reg_class *a,
+				    const struct p2p_reg_class *b,
+				    struct p2p_reg_class *res)
+{
+	size_t i, j;
+
+	res->reg_class = a->reg_class;
+
+	for (i = 0; i < a->channels; i++) {
+		for (j = 0; j < b->channels; j++) {
+			if (a->channel[i] != b->channel[j])
+				continue;
+			res->channel[res->channels] = a->channel[i];
+			res->channels++;
+			if (res->channels == P2P_MAX_REG_CLASS_CHANNELS)
+				return;
+		}
+	}
+}
+
+
+/**
+ * p2p_channels_intersect - Intersection of supported channel lists
+ * @a: First set of supported channels
+ * @b: Second set of supported channels
+ * @res: Data structure for returning the intersection of support channels
+ *
+ * This function can be used to find a common set of supported channels. Both
+ * input channels sets are assumed to use the same country code. If different
+ * country codes are used, the regulatory class numbers may not be matched
+ * correctly and results are undefined.
+ */
+void p2p_channels_intersect(const struct p2p_channels *a,
+			    const struct p2p_channels *b,
+			    struct p2p_channels *res)
+{
+	size_t i, j;
+
+	os_memset(res, 0, sizeof(*res));
+
+	for (i = 0; i < a->reg_classes; i++) {
+		const struct p2p_reg_class *a_reg = &a->reg_class[i];
+		for (j = 0; j < b->reg_classes; j++) {
+			const struct p2p_reg_class *b_reg = &b->reg_class[j];
+			if (a_reg->reg_class != b_reg->reg_class)
+				continue;
+			p2p_reg_class_intersect(
+				a_reg, b_reg,
+				&res->reg_class[res->reg_classes]);
+			if (res->reg_class[res->reg_classes].channels) {
+				res->reg_classes++;
+				if (res->reg_classes == P2P_MAX_REG_CLASSES)
+					return;
+			}
+		}
+	}
+}
+
+
+/**
+ * p2p_channels_includes - Check whether a channel is included in the list
+ * @channels: List of supported channels
+ * @reg_class: Regulatory class of the channel to search
+ * @channel: Channel number of the channel to search
+ * Returns: 1 if channel was found or 0 if not
+ */
+int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,
+			  u8 channel)
+{
+	size_t i, j;
+	for (i = 0; i < channels->reg_classes; i++) {
+		const struct p2p_reg_class *reg = &channels->reg_class[i];
+		if (reg->reg_class != reg_class)
+			continue;
+		for (j = 0; j < reg->channels; j++) {
+			if (reg->channel[j] == channel)
+				return 1;
+		}
+	}
+	return 0;
+}
+
+
+int p2p_supported_freq(struct p2p_data *p2p, unsigned int freq)
+{
+	u8 op_reg_class, op_channel;
+	if (p2p_freq_to_channel(p2p->cfg->country, freq,
+				&op_reg_class, &op_channel) < 0)
+		return 0;
+	return p2p_channels_includes(&p2p->cfg->channels, op_reg_class,
+				     op_channel);
+}
diff --git a/src/radius/.gitignore b/src/radius/.gitignore
new file mode 100644
index 0000000..a89a1f9
--- /dev/null
+++ b/src/radius/.gitignore
@@ -0,0 +1 @@
+libradius.a
diff --git a/src/radius/Makefile b/src/radius/Makefile
new file mode 100644
index 0000000..b199be8
--- /dev/null
+++ b/src/radius/Makefile
@@ -0,0 +1,22 @@
+all: libradius.a
+
+clean:
+	rm -f *~ *.o *.d libradius.a
+
+install:
+	@echo Nothing to be made.
+
+
+include ../lib.rules
+
+CFLAGS += -DCONFIG_IPV6
+
+LIB_OBJS= \
+	radius.o \
+	radius_client.o \
+	radius_server.o
+
+libradius.a: $(LIB_OBJS)
+	$(AR) crT $@ $?
+
+-include $(OBJS:%.o=%.d)
diff --git a/src/radius/radius.c b/src/radius/radius.c
new file mode 100644
index 0000000..70754ef
--- /dev/null
+++ b/src/radius/radius.c
@@ -0,0 +1,1317 @@
+/*
+ * RADIUS message processing
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "utils/wpabuf.h"
+#include "crypto/md5.h"
+#include "crypto/crypto.h"
+#include "radius.h"
+
+
+/**
+ * struct radius_msg - RADIUS message structure for new and parsed messages
+ */
+struct radius_msg {
+	/**
+	 * buf - Allocated buffer for RADIUS message
+	 */
+	struct wpabuf *buf;
+
+	/**
+	 * hdr - Pointer to the RADIUS header in buf
+	 */
+	struct radius_hdr *hdr;
+
+	/**
+	 * attr_pos - Array of indexes to attributes
+	 *
+	 * The values are number of bytes from buf to the beginning of
+	 * struct radius_attr_hdr.
+	 */
+	size_t *attr_pos;
+
+	/**
+	 * attr_size - Total size of the attribute pointer array
+	 */
+	size_t attr_size;
+
+	/**
+	 * attr_used - Total number of attributes in the array
+	 */
+	size_t attr_used;
+};
+
+
+struct radius_hdr * radius_msg_get_hdr(struct radius_msg *msg)
+{
+	return msg->hdr;
+}
+
+
+struct wpabuf * radius_msg_get_buf(struct radius_msg *msg)
+{
+	return msg->buf;
+}
+
+
+static struct radius_attr_hdr *
+radius_get_attr_hdr(struct radius_msg *msg, int idx)
+{
+	return (struct radius_attr_hdr *)
+		(wpabuf_mhead_u8(msg->buf) + msg->attr_pos[idx]);
+}
+
+
+static void radius_msg_set_hdr(struct radius_msg *msg, u8 code, u8 identifier)
+{
+	msg->hdr->code = code;
+	msg->hdr->identifier = identifier;
+}
+
+
+static int radius_msg_initialize(struct radius_msg *msg)
+{
+	msg->attr_pos =
+		os_zalloc(RADIUS_DEFAULT_ATTR_COUNT * sizeof(*msg->attr_pos));
+	if (msg->attr_pos == NULL)
+		return -1;
+
+	msg->attr_size = RADIUS_DEFAULT_ATTR_COUNT;
+	msg->attr_used = 0;
+
+	return 0;
+}
+
+
+/**
+ * radius_msg_new - Create a new RADIUS message
+ * @code: Code for RADIUS header
+ * @identifier: Identifier for RADIUS header
+ * Returns: Context for RADIUS message or %NULL on failure
+ *
+ * The caller is responsible for freeing the returned data with
+ * radius_msg_free().
+ */
+struct radius_msg * radius_msg_new(u8 code, u8 identifier)
+{
+	struct radius_msg *msg;
+
+	msg = os_zalloc(sizeof(*msg));
+	if (msg == NULL)
+		return NULL;
+
+	msg->buf = wpabuf_alloc(RADIUS_DEFAULT_MSG_SIZE);
+	if (msg->buf == NULL || radius_msg_initialize(msg)) {
+		radius_msg_free(msg);
+		return NULL;
+	}
+	msg->hdr = wpabuf_put(msg->buf, sizeof(struct radius_hdr));
+
+	radius_msg_set_hdr(msg, code, identifier);
+
+	return msg;
+}
+
+
+/**
+ * radius_msg_free - Free a RADIUS message
+ * @msg: RADIUS message from radius_msg_new() or radius_msg_parse()
+ */
+void radius_msg_free(struct radius_msg *msg)
+{
+	if (msg == NULL)
+		return;
+
+	wpabuf_free(msg->buf);
+	os_free(msg->attr_pos);
+	os_free(msg);
+}
+
+
+static const char *radius_code_string(u8 code)
+{
+	switch (code) {
+	case RADIUS_CODE_ACCESS_REQUEST: return "Access-Request";
+	case RADIUS_CODE_ACCESS_ACCEPT: return "Access-Accept";
+	case RADIUS_CODE_ACCESS_REJECT: return "Access-Reject";
+	case RADIUS_CODE_ACCOUNTING_REQUEST: return "Accounting-Request";
+	case RADIUS_CODE_ACCOUNTING_RESPONSE: return "Accounting-Response";
+	case RADIUS_CODE_ACCESS_CHALLENGE: return "Access-Challenge";
+	case RADIUS_CODE_STATUS_SERVER: return "Status-Server";
+	case RADIUS_CODE_STATUS_CLIENT: return "Status-Client";
+	case RADIUS_CODE_RESERVED: return "Reserved";
+	default: return "?Unknown?";
+	}
+}
+
+
+struct radius_attr_type {
+	u8 type;
+	char *name;
+	enum {
+		RADIUS_ATTR_UNDIST, RADIUS_ATTR_TEXT, RADIUS_ATTR_IP,
+		RADIUS_ATTR_HEXDUMP, RADIUS_ATTR_INT32, RADIUS_ATTR_IPV6
+	} data_type;
+};
+
+static struct radius_attr_type radius_attrs[] =
+{
+	{ RADIUS_ATTR_USER_NAME, "User-Name", RADIUS_ATTR_TEXT },
+	{ RADIUS_ATTR_USER_PASSWORD, "User-Password", RADIUS_ATTR_UNDIST },
+	{ RADIUS_ATTR_NAS_IP_ADDRESS, "NAS-IP-Address", RADIUS_ATTR_IP },
+	{ RADIUS_ATTR_NAS_PORT, "NAS-Port", RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_FRAMED_MTU, "Framed-MTU", RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_REPLY_MESSAGE, "Reply-Message", RADIUS_ATTR_TEXT },
+	{ RADIUS_ATTR_STATE, "State", RADIUS_ATTR_UNDIST },
+	{ RADIUS_ATTR_CLASS, "Class", RADIUS_ATTR_UNDIST },
+	{ RADIUS_ATTR_VENDOR_SPECIFIC, "Vendor-Specific", RADIUS_ATTR_UNDIST },
+	{ RADIUS_ATTR_SESSION_TIMEOUT, "Session-Timeout", RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_IDLE_TIMEOUT, "Idle-Timeout", RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_TERMINATION_ACTION, "Termination-Action",
+	  RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_CALLED_STATION_ID, "Called-Station-Id",
+	  RADIUS_ATTR_TEXT },
+	{ RADIUS_ATTR_CALLING_STATION_ID, "Calling-Station-Id",
+	  RADIUS_ATTR_TEXT },
+	{ RADIUS_ATTR_NAS_IDENTIFIER, "NAS-Identifier", RADIUS_ATTR_TEXT },
+	{ RADIUS_ATTR_PROXY_STATE, "Proxy-State", RADIUS_ATTR_UNDIST },
+	{ RADIUS_ATTR_ACCT_STATUS_TYPE, "Acct-Status-Type",
+	  RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_ACCT_DELAY_TIME, "Acct-Delay-Time", RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_ACCT_INPUT_OCTETS, "Acct-Input-Octets",
+	  RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_ACCT_OUTPUT_OCTETS, "Acct-Output-Octets",
+	  RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_ACCT_SESSION_ID, "Acct-Session-Id", RADIUS_ATTR_TEXT },
+	{ RADIUS_ATTR_ACCT_AUTHENTIC, "Acct-Authentic", RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_ACCT_SESSION_TIME, "Acct-Session-Time",
+	  RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_ACCT_INPUT_PACKETS, "Acct-Input-Packets",
+	  RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_ACCT_OUTPUT_PACKETS, "Acct-Output-Packets",
+	  RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_ACCT_TERMINATE_CAUSE, "Acct-Terminate-Cause",
+	  RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_ACCT_MULTI_SESSION_ID, "Acct-Multi-Session-Id",
+	  RADIUS_ATTR_TEXT },
+	{ RADIUS_ATTR_ACCT_LINK_COUNT, "Acct-Link-Count", RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_ACCT_INPUT_GIGAWORDS, "Acct-Input-Gigawords", 
+	  RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_ACCT_OUTPUT_GIGAWORDS, "Acct-Output-Gigawords",
+	  RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_EVENT_TIMESTAMP, "Event-Timestamp",
+	  RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_NAS_PORT_TYPE, "NAS-Port-Type", RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_TUNNEL_TYPE, "Tunnel-Type", RADIUS_ATTR_HEXDUMP },
+	{ RADIUS_ATTR_TUNNEL_MEDIUM_TYPE, "Tunnel-Medium-Type",
+	  RADIUS_ATTR_HEXDUMP },
+	{ RADIUS_ATTR_CONNECT_INFO, "Connect-Info", RADIUS_ATTR_TEXT },
+	{ RADIUS_ATTR_EAP_MESSAGE, "EAP-Message", RADIUS_ATTR_UNDIST },
+	{ RADIUS_ATTR_MESSAGE_AUTHENTICATOR, "Message-Authenticator",
+	  RADIUS_ATTR_UNDIST },
+	{ RADIUS_ATTR_TUNNEL_PRIVATE_GROUP_ID, "Tunnel-Private-Group-Id",
+	  RADIUS_ATTR_HEXDUMP },
+	{ RADIUS_ATTR_ACCT_INTERIM_INTERVAL, "Acct-Interim-Interval",
+	  RADIUS_ATTR_INT32 },
+	{ RADIUS_ATTR_CHARGEABLE_USER_IDENTITY, "Chargable-User-Identity",
+	  RADIUS_ATTR_TEXT },
+	{ RADIUS_ATTR_NAS_IPV6_ADDRESS, "NAS-IPv6-Address", RADIUS_ATTR_IPV6 },
+};
+#define RADIUS_ATTRS (sizeof(radius_attrs) / sizeof(radius_attrs[0]))
+
+
+static struct radius_attr_type *radius_get_attr_type(u8 type)
+{
+	size_t i;
+
+	for (i = 0; i < RADIUS_ATTRS; i++) {
+		if (type == radius_attrs[i].type)
+			return &radius_attrs[i];
+	}
+
+	return NULL;
+}
+
+
+static void print_char(char c)
+{
+	if (c >= 32 && c < 127)
+		printf("%c", c);
+	else
+		printf("<%02x>", c);
+}
+
+
+static void radius_msg_dump_attr(struct radius_attr_hdr *hdr)
+{
+	struct radius_attr_type *attr;
+	int i, len;
+	unsigned char *pos;
+
+	attr = radius_get_attr_type(hdr->type);
+
+	printf("   Attribute %d (%s) length=%d\n",
+	       hdr->type, attr ? attr->name : "?Unknown?", hdr->length);
+
+	if (attr == NULL)
+		return;
+
+	len = hdr->length - sizeof(struct radius_attr_hdr);
+	pos = (unsigned char *) (hdr + 1);
+
+	switch (attr->data_type) {
+	case RADIUS_ATTR_TEXT:
+		printf("      Value: '");
+		for (i = 0; i < len; i++)
+			print_char(pos[i]);
+		printf("'\n");
+		break;
+
+	case RADIUS_ATTR_IP:
+		if (len == 4) {
+			struct in_addr addr;
+			os_memcpy(&addr, pos, 4);
+			printf("      Value: %s\n", inet_ntoa(addr));
+		} else
+			printf("      Invalid IP address length %d\n", len);
+		break;
+
+#ifdef CONFIG_IPV6
+	case RADIUS_ATTR_IPV6:
+		if (len == 16) {
+			char buf[128];
+			const char *atxt;
+			struct in6_addr *addr = (struct in6_addr *) pos;
+			atxt = inet_ntop(AF_INET6, addr, buf, sizeof(buf));
+			printf("      Value: %s\n", atxt ? atxt : "?");
+		} else
+			printf("      Invalid IPv6 address length %d\n", len);
+		break;
+#endif /* CONFIG_IPV6 */
+
+	case RADIUS_ATTR_HEXDUMP:
+	case RADIUS_ATTR_UNDIST:
+		printf("      Value:");
+		for (i = 0; i < len; i++)
+			printf(" %02x", pos[i]);
+		printf("\n");
+		break;
+
+	case RADIUS_ATTR_INT32:
+		if (len == 4)
+			printf("      Value: %u\n", WPA_GET_BE32(pos));
+		else
+			printf("      Invalid INT32 length %d\n", len);
+		break;
+
+	default:
+		break;
+	}
+}
+
+
+void radius_msg_dump(struct radius_msg *msg)
+{
+	size_t i;
+
+	printf("RADIUS message: code=%d (%s) identifier=%d length=%d\n",
+	       msg->hdr->code, radius_code_string(msg->hdr->code),
+	       msg->hdr->identifier, ntohs(msg->hdr->length));
+
+	for (i = 0; i < msg->attr_used; i++) {
+		struct radius_attr_hdr *attr = radius_get_attr_hdr(msg, i);
+		radius_msg_dump_attr(attr);
+	}
+}
+
+
+int radius_msg_finish(struct radius_msg *msg, const u8 *secret,
+		      size_t secret_len)
+{
+	if (secret) {
+		u8 auth[MD5_MAC_LEN];
+		struct radius_attr_hdr *attr;
+
+		os_memset(auth, 0, MD5_MAC_LEN);
+		attr = radius_msg_add_attr(msg,
+					   RADIUS_ATTR_MESSAGE_AUTHENTICATOR,
+					   auth, MD5_MAC_LEN);
+		if (attr == NULL) {
+			wpa_printf(MSG_WARNING, "RADIUS: Could not add "
+				   "Message-Authenticator");
+			return -1;
+		}
+		msg->hdr->length = htons(wpabuf_len(msg->buf));
+		hmac_md5(secret, secret_len, wpabuf_head(msg->buf),
+			 wpabuf_len(msg->buf), (u8 *) (attr + 1));
+	} else
+		msg->hdr->length = htons(wpabuf_len(msg->buf));
+
+	if (wpabuf_len(msg->buf) > 0xffff) {
+		wpa_printf(MSG_WARNING, "RADIUS: Too long message (%lu)",
+			   (unsigned long) wpabuf_len(msg->buf));
+		return -1;
+	}
+	return 0;
+}
+
+
+int radius_msg_finish_srv(struct radius_msg *msg, const u8 *secret,
+			  size_t secret_len, const u8 *req_authenticator)
+{
+	u8 auth[MD5_MAC_LEN];
+	struct radius_attr_hdr *attr;
+	const u8 *addr[4];
+	size_t len[4];
+
+	os_memset(auth, 0, MD5_MAC_LEN);
+	attr = radius_msg_add_attr(msg, RADIUS_ATTR_MESSAGE_AUTHENTICATOR,
+				   auth, MD5_MAC_LEN);
+	if (attr == NULL) {
+		printf("WARNING: Could not add Message-Authenticator\n");
+		return -1;
+	}
+	msg->hdr->length = htons(wpabuf_len(msg->buf));
+	os_memcpy(msg->hdr->authenticator, req_authenticator,
+		  sizeof(msg->hdr->authenticator));
+	hmac_md5(secret, secret_len, wpabuf_head(msg->buf),
+		 wpabuf_len(msg->buf), (u8 *) (attr + 1));
+
+	/* ResponseAuth = MD5(Code+ID+Length+RequestAuth+Attributes+Secret) */
+	addr[0] = (u8 *) msg->hdr;
+	len[0] = 1 + 1 + 2;
+	addr[1] = req_authenticator;
+	len[1] = MD5_MAC_LEN;
+	addr[2] = wpabuf_head_u8(msg->buf) + sizeof(struct radius_hdr);
+	len[2] = wpabuf_len(msg->buf) - sizeof(struct radius_hdr);
+	addr[3] = secret;
+	len[3] = secret_len;
+	md5_vector(4, addr, len, msg->hdr->authenticator);
+
+	if (wpabuf_len(msg->buf) > 0xffff) {
+		wpa_printf(MSG_WARNING, "RADIUS: Too long message (%lu)",
+			   (unsigned long) wpabuf_len(msg->buf));
+		return -1;
+	}
+	return 0;
+}
+
+
+void radius_msg_finish_acct(struct radius_msg *msg, const u8 *secret,
+			    size_t secret_len)
+{
+	const u8 *addr[2];
+	size_t len[2];
+
+	msg->hdr->length = htons(wpabuf_len(msg->buf));
+	os_memset(msg->hdr->authenticator, 0, MD5_MAC_LEN);
+	addr[0] = wpabuf_head(msg->buf);
+	len[0] = wpabuf_len(msg->buf);
+	addr[1] = secret;
+	len[1] = secret_len;
+	md5_vector(2, addr, len, msg->hdr->authenticator);
+
+	if (wpabuf_len(msg->buf) > 0xffff) {
+		wpa_printf(MSG_WARNING, "RADIUS: Too long messages (%lu)",
+			   (unsigned long) wpabuf_len(msg->buf));
+	}
+}
+
+
+static int radius_msg_add_attr_to_array(struct radius_msg *msg,
+					struct radius_attr_hdr *attr)
+{
+	if (msg->attr_used >= msg->attr_size) {
+		size_t *nattr_pos;
+		int nlen = msg->attr_size * 2;
+
+		nattr_pos = os_realloc(msg->attr_pos,
+				       nlen * sizeof(*msg->attr_pos));
+		if (nattr_pos == NULL)
+			return -1;
+
+		msg->attr_pos = nattr_pos;
+		msg->attr_size = nlen;
+	}
+
+	msg->attr_pos[msg->attr_used++] =
+		(unsigned char *) attr - wpabuf_head_u8(msg->buf);
+
+	return 0;
+}
+
+
+struct radius_attr_hdr *radius_msg_add_attr(struct radius_msg *msg, u8 type,
+					    const u8 *data, size_t data_len)
+{
+	size_t buf_needed;
+	struct radius_attr_hdr *attr;
+
+	if (data_len > RADIUS_MAX_ATTR_LEN) {
+		printf("radius_msg_add_attr: too long attribute (%lu bytes)\n",
+		       (unsigned long) data_len);
+		return NULL;
+	}
+
+	buf_needed = sizeof(*attr) + data_len;
+
+	if (wpabuf_tailroom(msg->buf) < buf_needed) {
+		/* allocate more space for message buffer */
+		if (wpabuf_resize(&msg->buf, buf_needed) < 0)
+			return NULL;
+		msg->hdr = wpabuf_mhead(msg->buf);
+	}
+
+	attr = wpabuf_put(msg->buf, sizeof(struct radius_attr_hdr));
+	attr->type = type;
+	attr->length = sizeof(*attr) + data_len;
+	wpabuf_put_data(msg->buf, data, data_len);
+
+	if (radius_msg_add_attr_to_array(msg, attr))
+		return NULL;
+
+	return attr;
+}
+
+
+/**
+ * radius_msg_parse - Parse a RADIUS message
+ * @data: RADIUS message to be parsed
+ * @len: Length of data buffer in octets
+ * Returns: Parsed RADIUS message or %NULL on failure
+ *
+ * This parses a RADIUS message and makes a copy of its data. The caller is
+ * responsible for freeing the returned data with radius_msg_free().
+ */
+struct radius_msg * radius_msg_parse(const u8 *data, size_t len)
+{
+	struct radius_msg *msg;
+	struct radius_hdr *hdr;
+	struct radius_attr_hdr *attr;
+	size_t msg_len;
+	unsigned char *pos, *end;
+
+	if (data == NULL || len < sizeof(*hdr))
+		return NULL;
+
+	hdr = (struct radius_hdr *) data;
+
+	msg_len = ntohs(hdr->length);
+	if (msg_len < sizeof(*hdr) || msg_len > len) {
+		wpa_printf(MSG_INFO, "RADIUS: Invalid message length");
+		return NULL;
+	}
+
+	if (msg_len < len) {
+		wpa_printf(MSG_DEBUG, "RADIUS: Ignored %lu extra bytes after "
+			   "RADIUS message", (unsigned long) len - msg_len);
+	}
+
+	msg = os_zalloc(sizeof(*msg));
+	if (msg == NULL)
+		return NULL;
+
+	msg->buf = wpabuf_alloc_copy(data, msg_len);
+	if (msg->buf == NULL || radius_msg_initialize(msg)) {
+		radius_msg_free(msg);
+		return NULL;
+	}
+	msg->hdr = wpabuf_mhead(msg->buf);
+
+	/* parse attributes */
+	pos = wpabuf_mhead_u8(msg->buf) + sizeof(struct radius_hdr);
+	end = wpabuf_mhead_u8(msg->buf) + wpabuf_len(msg->buf);
+	while (pos < end) {
+		if ((size_t) (end - pos) < sizeof(*attr))
+			goto fail;
+
+		attr = (struct radius_attr_hdr *) pos;
+
+		if (pos + attr->length > end || attr->length < sizeof(*attr))
+			goto fail;
+
+		/* TODO: check that attr->length is suitable for attr->type */
+
+		if (radius_msg_add_attr_to_array(msg, attr))
+			goto fail;
+
+		pos += attr->length;
+	}
+
+	return msg;
+
+ fail:
+	radius_msg_free(msg);
+	return NULL;
+}
+
+
+int radius_msg_add_eap(struct radius_msg *msg, const u8 *data, size_t data_len)
+{
+	const u8 *pos = data;
+	size_t left = data_len;
+
+	while (left > 0) {
+		int len;
+		if (left > RADIUS_MAX_ATTR_LEN)
+			len = RADIUS_MAX_ATTR_LEN;
+		else
+			len = left;
+
+		if (!radius_msg_add_attr(msg, RADIUS_ATTR_EAP_MESSAGE,
+					 pos, len))
+			return 0;
+
+		pos += len;
+		left -= len;
+	}
+
+	return 1;
+}
+
+
+u8 *radius_msg_get_eap(struct radius_msg *msg, size_t *eap_len)
+{
+	u8 *eap, *pos;
+	size_t len, i;
+	struct radius_attr_hdr *attr;
+
+	if (msg == NULL)
+		return NULL;
+
+	len = 0;
+	for (i = 0; i < msg->attr_used; i++) {
+		attr = radius_get_attr_hdr(msg, i);
+		if (attr->type == RADIUS_ATTR_EAP_MESSAGE)
+			len += attr->length - sizeof(struct radius_attr_hdr);
+	}
+
+	if (len == 0)
+		return NULL;
+
+	eap = os_malloc(len);
+	if (eap == NULL)
+		return NULL;
+
+	pos = eap;
+	for (i = 0; i < msg->attr_used; i++) {
+		attr = radius_get_attr_hdr(msg, i);
+		if (attr->type == RADIUS_ATTR_EAP_MESSAGE) {
+			int flen = attr->length - sizeof(*attr);
+			os_memcpy(pos, attr + 1, flen);
+			pos += flen;
+		}
+	}
+
+	if (eap_len)
+		*eap_len = len;
+
+	return eap;
+}
+
+
+int radius_msg_verify_msg_auth(struct radius_msg *msg, const u8 *secret,
+			       size_t secret_len, const u8 *req_auth)
+{
+	u8 auth[MD5_MAC_LEN], orig[MD5_MAC_LEN];
+	u8 orig_authenticator[16];
+	struct radius_attr_hdr *attr = NULL, *tmp;
+	size_t i;
+
+	for (i = 0; i < msg->attr_used; i++) {
+		tmp = radius_get_attr_hdr(msg, i);
+		if (tmp->type == RADIUS_ATTR_MESSAGE_AUTHENTICATOR) {
+			if (attr != NULL) {
+				printf("Multiple Message-Authenticator "
+				       "attributes in RADIUS message\n");
+				return 1;
+			}
+			attr = tmp;
+		}
+	}
+
+	if (attr == NULL) {
+		printf("No Message-Authenticator attribute found\n");
+		return 1;
+	}
+
+	os_memcpy(orig, attr + 1, MD5_MAC_LEN);
+	os_memset(attr + 1, 0, MD5_MAC_LEN);
+	if (req_auth) {
+		os_memcpy(orig_authenticator, msg->hdr->authenticator,
+			  sizeof(orig_authenticator));
+		os_memcpy(msg->hdr->authenticator, req_auth,
+			  sizeof(msg->hdr->authenticator));
+	}
+	hmac_md5(secret, secret_len, wpabuf_head(msg->buf),
+		 wpabuf_len(msg->buf), auth);
+	os_memcpy(attr + 1, orig, MD5_MAC_LEN);
+	if (req_auth) {
+		os_memcpy(msg->hdr->authenticator, orig_authenticator,
+			  sizeof(orig_authenticator));
+	}
+
+	if (os_memcmp(orig, auth, MD5_MAC_LEN) != 0) {
+		printf("Invalid Message-Authenticator!\n");
+		return 1;
+	}
+
+	return 0;
+}
+
+
+int radius_msg_verify(struct radius_msg *msg, const u8 *secret,
+		      size_t secret_len, struct radius_msg *sent_msg, int auth)
+{
+	const u8 *addr[4];
+	size_t len[4];
+	u8 hash[MD5_MAC_LEN];
+
+	if (sent_msg == NULL) {
+		printf("No matching Access-Request message found\n");
+		return 1;
+	}
+
+	if (auth &&
+	    radius_msg_verify_msg_auth(msg, secret, secret_len,
+				       sent_msg->hdr->authenticator)) {
+		return 1;
+	}
+
+	/* ResponseAuth = MD5(Code+ID+Length+RequestAuth+Attributes+Secret) */
+	addr[0] = (u8 *) msg->hdr;
+	len[0] = 1 + 1 + 2;
+	addr[1] = sent_msg->hdr->authenticator;
+	len[1] = MD5_MAC_LEN;
+	addr[2] = wpabuf_head_u8(msg->buf) + sizeof(struct radius_hdr);
+	len[2] = wpabuf_len(msg->buf) - sizeof(struct radius_hdr);
+	addr[3] = secret;
+	len[3] = secret_len;
+	md5_vector(4, addr, len, hash);
+	if (os_memcmp(hash, msg->hdr->authenticator, MD5_MAC_LEN) != 0) {
+		printf("Response Authenticator invalid!\n");
+		return 1;
+	}
+
+	return 0;
+}
+
+
+int radius_msg_copy_attr(struct radius_msg *dst, struct radius_msg *src,
+			 u8 type)
+{
+	struct radius_attr_hdr *attr;
+	size_t i;
+	int count = 0;
+
+	for (i = 0; i < src->attr_used; i++) {
+		attr = radius_get_attr_hdr(src, i);
+		if (attr->type == type) {
+			if (!radius_msg_add_attr(dst, type, (u8 *) (attr + 1),
+						 attr->length - sizeof(*attr)))
+				return -1;
+			count++;
+		}
+	}
+
+	return count;
+}
+
+
+/* Create Request Authenticator. The value should be unique over the lifetime
+ * of the shared secret between authenticator and authentication server.
+ * Use one-way MD5 hash calculated from current timestamp and some data given
+ * by the caller. */
+void radius_msg_make_authenticator(struct radius_msg *msg,
+				   const u8 *data, size_t len)
+{
+	struct os_time tv;
+	long int l;
+	const u8 *addr[3];
+	size_t elen[3];
+
+	os_get_time(&tv);
+	l = os_random();
+	addr[0] = (u8 *) &tv;
+	elen[0] = sizeof(tv);
+	addr[1] = data;
+	elen[1] = len;
+	addr[2] = (u8 *) &l;
+	elen[2] = sizeof(l);
+	md5_vector(3, addr, elen, msg->hdr->authenticator);
+}
+
+
+/* Get Vendor-specific RADIUS Attribute from a parsed RADIUS message.
+ * Returns the Attribute payload and sets alen to indicate the length of the
+ * payload if a vendor attribute with subtype is found, otherwise returns NULL.
+ * The returned payload is allocated with os_malloc() and caller must free it
+ * by calling os_free().
+ */
+static u8 *radius_msg_get_vendor_attr(struct radius_msg *msg, u32 vendor,
+				      u8 subtype, size_t *alen)
+{
+	u8 *data, *pos;
+	size_t i, len;
+
+	if (msg == NULL)
+		return NULL;
+
+	for (i = 0; i < msg->attr_used; i++) {
+		struct radius_attr_hdr *attr = radius_get_attr_hdr(msg, i);
+		size_t left;
+		u32 vendor_id;
+		struct radius_attr_vendor *vhdr;
+
+		if (attr->type != RADIUS_ATTR_VENDOR_SPECIFIC)
+			continue;
+
+		left = attr->length - sizeof(*attr);
+		if (left < 4)
+			continue;
+
+		pos = (u8 *) (attr + 1);
+
+		os_memcpy(&vendor_id, pos, 4);
+		pos += 4;
+		left -= 4;
+
+		if (ntohl(vendor_id) != vendor)
+			continue;
+
+		while (left >= sizeof(*vhdr)) {
+			vhdr = (struct radius_attr_vendor *) pos;
+			if (vhdr->vendor_length > left ||
+			    vhdr->vendor_length < sizeof(*vhdr)) {
+				left = 0;
+				break;
+			}
+			if (vhdr->vendor_type != subtype) {
+				pos += vhdr->vendor_length;
+				left -= vhdr->vendor_length;
+				continue;
+			}
+
+			len = vhdr->vendor_length - sizeof(*vhdr);
+			data = os_malloc(len);
+			if (data == NULL)
+				return NULL;
+			os_memcpy(data, pos + sizeof(*vhdr), len);
+			if (alen)
+				*alen = len;
+			return data;
+		}
+	}
+
+	return NULL;
+}
+
+
+static u8 * decrypt_ms_key(const u8 *key, size_t len,
+			   const u8 *req_authenticator,
+			   const u8 *secret, size_t secret_len, size_t *reslen)
+{
+	u8 *plain, *ppos, *res;
+	const u8 *pos;
+	size_t left, plen;
+	u8 hash[MD5_MAC_LEN];
+	int i, first = 1;
+	const u8 *addr[3];
+	size_t elen[3];
+
+	/* key: 16-bit salt followed by encrypted key info */
+
+	if (len < 2 + 16)
+		return NULL;
+
+	pos = key + 2;
+	left = len - 2;
+	if (left % 16) {
+		printf("Invalid ms key len %lu\n", (unsigned long) left);
+		return NULL;
+	}
+
+	plen = left;
+	ppos = plain = os_malloc(plen);
+	if (plain == NULL)
+		return NULL;
+	plain[0] = 0;
+
+	while (left > 0) {
+		/* b(1) = MD5(Secret + Request-Authenticator + Salt)
+		 * b(i) = MD5(Secret + c(i - 1)) for i > 1 */
+
+		addr[0] = secret;
+		elen[0] = secret_len;
+		if (first) {
+			addr[1] = req_authenticator;
+			elen[1] = MD5_MAC_LEN;
+			addr[2] = key;
+			elen[2] = 2; /* Salt */
+		} else {
+			addr[1] = pos - MD5_MAC_LEN;
+			elen[1] = MD5_MAC_LEN;
+		}
+		md5_vector(first ? 3 : 2, addr, elen, hash);
+		first = 0;
+
+		for (i = 0; i < MD5_MAC_LEN; i++)
+			*ppos++ = *pos++ ^ hash[i];
+		left -= MD5_MAC_LEN;
+	}
+
+	if (plain[0] == 0 || plain[0] > plen - 1) {
+		printf("Failed to decrypt MPPE key\n");
+		os_free(plain);
+		return NULL;
+	}
+
+	res = os_malloc(plain[0]);
+	if (res == NULL) {
+		os_free(plain);
+		return NULL;
+	}
+	os_memcpy(res, plain + 1, plain[0]);
+	if (reslen)
+		*reslen = plain[0];
+	os_free(plain);
+	return res;
+}
+
+
+static void encrypt_ms_key(const u8 *key, size_t key_len, u16 salt,
+			   const u8 *req_authenticator,
+			   const u8 *secret, size_t secret_len,
+			   u8 *ebuf, size_t *elen)
+{
+	int i, len, first = 1;
+	u8 hash[MD5_MAC_LEN], saltbuf[2], *pos;
+	const u8 *addr[3];
+	size_t _len[3];
+
+	WPA_PUT_BE16(saltbuf, salt);
+
+	len = 1 + key_len;
+	if (len & 0x0f) {
+		len = (len & 0xf0) + 16;
+	}
+	os_memset(ebuf, 0, len);
+	ebuf[0] = key_len;
+	os_memcpy(ebuf + 1, key, key_len);
+
+	*elen = len;
+
+	pos = ebuf;
+	while (len > 0) {
+		/* b(1) = MD5(Secret + Request-Authenticator + Salt)
+		 * b(i) = MD5(Secret + c(i - 1)) for i > 1 */
+		addr[0] = secret;
+		_len[0] = secret_len;
+		if (first) {
+			addr[1] = req_authenticator;
+			_len[1] = MD5_MAC_LEN;
+			addr[2] = saltbuf;
+			_len[2] = sizeof(saltbuf);
+		} else {
+			addr[1] = pos - MD5_MAC_LEN;
+			_len[1] = MD5_MAC_LEN;
+		}
+		md5_vector(first ? 3 : 2, addr, _len, hash);
+		first = 0;
+
+		for (i = 0; i < MD5_MAC_LEN; i++)
+			*pos++ ^= hash[i];
+
+		len -= MD5_MAC_LEN;
+	}
+}
+
+
+struct radius_ms_mppe_keys *
+radius_msg_get_ms_keys(struct radius_msg *msg, struct radius_msg *sent_msg,
+		       const u8 *secret, size_t secret_len)
+{
+	u8 *key;
+	size_t keylen;
+	struct radius_ms_mppe_keys *keys;
+
+	if (msg == NULL || sent_msg == NULL)
+		return NULL;
+
+	keys = os_zalloc(sizeof(*keys));
+	if (keys == NULL)
+		return NULL;
+
+	key = radius_msg_get_vendor_attr(msg, RADIUS_VENDOR_ID_MICROSOFT,
+					 RADIUS_VENDOR_ATTR_MS_MPPE_SEND_KEY,
+					 &keylen);
+	if (key) {
+		keys->send = decrypt_ms_key(key, keylen,
+					    sent_msg->hdr->authenticator,
+					    secret, secret_len,
+					    &keys->send_len);
+		os_free(key);
+	}
+
+	key = radius_msg_get_vendor_attr(msg, RADIUS_VENDOR_ID_MICROSOFT,
+					 RADIUS_VENDOR_ATTR_MS_MPPE_RECV_KEY,
+					 &keylen);
+	if (key) {
+		keys->recv = decrypt_ms_key(key, keylen,
+					    sent_msg->hdr->authenticator,
+					    secret, secret_len,
+					    &keys->recv_len);
+		os_free(key);
+	}
+
+	return keys;
+}
+
+
+struct radius_ms_mppe_keys *
+radius_msg_get_cisco_keys(struct radius_msg *msg, struct radius_msg *sent_msg,
+			  const u8 *secret, size_t secret_len)
+{
+	u8 *key;
+	size_t keylen;
+	struct radius_ms_mppe_keys *keys;
+
+	if (msg == NULL || sent_msg == NULL)
+		return NULL;
+
+	keys = os_zalloc(sizeof(*keys));
+	if (keys == NULL)
+		return NULL;
+
+	key = radius_msg_get_vendor_attr(msg, RADIUS_VENDOR_ID_CISCO,
+					 RADIUS_CISCO_AV_PAIR, &keylen);
+	if (key && keylen == 51 &&
+	    os_memcmp(key, "leap:session-key=", 17) == 0) {
+		keys->recv = decrypt_ms_key(key + 17, keylen - 17,
+					    sent_msg->hdr->authenticator,
+					    secret, secret_len,
+					    &keys->recv_len);
+	}
+	os_free(key);
+
+	return keys;
+}
+
+
+int radius_msg_add_mppe_keys(struct radius_msg *msg,
+			     const u8 *req_authenticator,
+			     const u8 *secret, size_t secret_len,
+			     const u8 *send_key, size_t send_key_len,
+			     const u8 *recv_key, size_t recv_key_len)
+{
+	struct radius_attr_hdr *attr;
+	u32 vendor_id = htonl(RADIUS_VENDOR_ID_MICROSOFT);
+	u8 *buf;
+	struct radius_attr_vendor *vhdr;
+	u8 *pos;
+	size_t elen;
+	int hlen;
+	u16 salt;
+
+	hlen = sizeof(vendor_id) + sizeof(*vhdr) + 2;
+
+	/* MS-MPPE-Send-Key */
+	buf = os_malloc(hlen + send_key_len + 16);
+	if (buf == NULL) {
+		return 0;
+	}
+	pos = buf;
+	os_memcpy(pos, &vendor_id, sizeof(vendor_id));
+	pos += sizeof(vendor_id);
+	vhdr = (struct radius_attr_vendor *) pos;
+	vhdr->vendor_type = RADIUS_VENDOR_ATTR_MS_MPPE_SEND_KEY;
+	pos = (u8 *) (vhdr + 1);
+	salt = os_random() | 0x8000;
+	WPA_PUT_BE16(pos, salt);
+	pos += 2;
+	encrypt_ms_key(send_key, send_key_len, salt, req_authenticator, secret,
+		       secret_len, pos, &elen);
+	vhdr->vendor_length = hlen + elen - sizeof(vendor_id);
+
+	attr = radius_msg_add_attr(msg, RADIUS_ATTR_VENDOR_SPECIFIC,
+				   buf, hlen + elen);
+	os_free(buf);
+	if (attr == NULL) {
+		return 0;
+	}
+
+	/* MS-MPPE-Recv-Key */
+	buf = os_malloc(hlen + send_key_len + 16);
+	if (buf == NULL) {
+		return 0;
+	}
+	pos = buf;
+	os_memcpy(pos, &vendor_id, sizeof(vendor_id));
+	pos += sizeof(vendor_id);
+	vhdr = (struct radius_attr_vendor *) pos;
+	vhdr->vendor_type = RADIUS_VENDOR_ATTR_MS_MPPE_RECV_KEY;
+	pos = (u8 *) (vhdr + 1);
+	salt ^= 1;
+	WPA_PUT_BE16(pos, salt);
+	pos += 2;
+	encrypt_ms_key(recv_key, recv_key_len, salt, req_authenticator, secret,
+		       secret_len, pos, &elen);
+	vhdr->vendor_length = hlen + elen - sizeof(vendor_id);
+
+	attr = radius_msg_add_attr(msg, RADIUS_ATTR_VENDOR_SPECIFIC,
+				   buf, hlen + elen);
+	os_free(buf);
+	if (attr == NULL) {
+		return 0;
+	}
+
+	return 1;
+}
+
+
+/* Add User-Password attribute to a RADIUS message and encrypt it as specified
+ * in RFC 2865, Chap. 5.2 */
+struct radius_attr_hdr *
+radius_msg_add_attr_user_password(struct radius_msg *msg,
+				  const u8 *data, size_t data_len,
+				  const u8 *secret, size_t secret_len)
+{
+	u8 buf[128];
+	int padlen, i;
+	size_t buf_len, pos;
+	const u8 *addr[2];
+	size_t len[2];
+	u8 hash[16];
+
+	if (data_len > 128)
+		return NULL;
+
+	os_memcpy(buf, data, data_len);
+	buf_len = data_len;
+
+	padlen = data_len % 16;
+	if (padlen) {
+		padlen = 16 - padlen;
+		os_memset(buf + data_len, 0, padlen);
+		buf_len += padlen;
+	}
+
+	addr[0] = secret;
+	len[0] = secret_len;
+	addr[1] = msg->hdr->authenticator;
+	len[1] = 16;
+	md5_vector(2, addr, len, hash);
+
+	for (i = 0; i < 16; i++)
+		buf[i] ^= hash[i];
+	pos = 16;
+
+	while (pos < buf_len) {
+		addr[0] = secret;
+		len[0] = secret_len;
+		addr[1] = &buf[pos - 16];
+		len[1] = 16;
+		md5_vector(2, addr, len, hash);
+
+		for (i = 0; i < 16; i++)
+			buf[pos + i] ^= hash[i];
+
+		pos += 16;
+	}
+
+	return radius_msg_add_attr(msg, RADIUS_ATTR_USER_PASSWORD,
+				   buf, buf_len);
+}
+
+
+int radius_msg_get_attr(struct radius_msg *msg, u8 type, u8 *buf, size_t len)
+{
+	struct radius_attr_hdr *attr = NULL, *tmp;
+	size_t i, dlen;
+
+	for (i = 0; i < msg->attr_used; i++) {
+		tmp = radius_get_attr_hdr(msg, i);
+		if (tmp->type == type) {
+			attr = tmp;
+			break;
+		}
+	}
+
+	if (!attr)
+		return -1;
+
+	dlen = attr->length - sizeof(*attr);
+	if (buf)
+		os_memcpy(buf, (attr + 1), dlen > len ? len : dlen);
+	return dlen;
+}
+
+
+int radius_msg_get_attr_ptr(struct radius_msg *msg, u8 type, u8 **buf,
+			    size_t *len, const u8 *start)
+{
+	size_t i;
+	struct radius_attr_hdr *attr = NULL, *tmp;
+
+	for (i = 0; i < msg->attr_used; i++) {
+		tmp = radius_get_attr_hdr(msg, i);
+		if (tmp->type == type &&
+		    (start == NULL || (u8 *) tmp > start)) {
+			attr = tmp;
+			break;
+		}
+	}
+
+	if (!attr)
+		return -1;
+
+	*buf = (u8 *) (attr + 1);
+	*len = attr->length - sizeof(*attr);
+	return 0;
+}
+
+
+int radius_msg_count_attr(struct radius_msg *msg, u8 type, int min_len)
+{
+	size_t i;
+	int count;
+
+	for (count = 0, i = 0; i < msg->attr_used; i++) {
+		struct radius_attr_hdr *attr = radius_get_attr_hdr(msg, i);
+		if (attr->type == type &&
+		    attr->length >= sizeof(struct radius_attr_hdr) + min_len)
+			count++;
+	}
+
+	return count;
+}
+
+
+struct radius_tunnel_attrs {
+	int tag_used;
+	int type; /* Tunnel-Type */
+	int medium_type; /* Tunnel-Medium-Type */
+	int vlanid;
+};
+
+
+/**
+ * radius_msg_get_vlanid - Parse RADIUS attributes for VLAN tunnel information
+ * @msg: RADIUS message
+ * Returns: VLAN ID for the first tunnel configuration of -1 if none is found
+ */
+int radius_msg_get_vlanid(struct radius_msg *msg)
+{
+	struct radius_tunnel_attrs tunnel[RADIUS_TUNNEL_TAGS], *tun;
+	size_t i;
+	struct radius_attr_hdr *attr = NULL;
+	const u8 *data;
+	char buf[10];
+	size_t dlen;
+
+	os_memset(&tunnel, 0, sizeof(tunnel));
+
+	for (i = 0; i < msg->attr_used; i++) {
+		attr = radius_get_attr_hdr(msg, i);
+		data = (const u8 *) (attr + 1);
+		dlen = attr->length - sizeof(*attr);
+		if (attr->length < 3)
+			continue;
+		if (data[0] >= RADIUS_TUNNEL_TAGS)
+			tun = &tunnel[0];
+		else
+			tun = &tunnel[data[0]];
+
+		switch (attr->type) {
+		case RADIUS_ATTR_TUNNEL_TYPE:
+			if (attr->length != 6)
+				break;
+			tun->tag_used++;
+			tun->type = WPA_GET_BE24(data + 1);
+			break;
+		case RADIUS_ATTR_TUNNEL_MEDIUM_TYPE:
+			if (attr->length != 6)
+				break;
+			tun->tag_used++;
+			tun->medium_type = WPA_GET_BE24(data + 1);
+			break;
+		case RADIUS_ATTR_TUNNEL_PRIVATE_GROUP_ID:
+			if (data[0] < RADIUS_TUNNEL_TAGS) {
+				data++;
+				dlen--;
+			}
+			if (dlen >= sizeof(buf))
+				break;
+			os_memcpy(buf, data, dlen);
+			buf[dlen] = '\0';
+			tun->tag_used++;
+			tun->vlanid = atoi(buf);
+			break;
+		}
+	}
+
+	for (i = 0; i < RADIUS_TUNNEL_TAGS; i++) {
+		tun = &tunnel[i];
+		if (tun->tag_used &&
+		    tun->type == RADIUS_TUNNEL_TYPE_VLAN &&
+		    tun->medium_type == RADIUS_TUNNEL_MEDIUM_TYPE_802 &&
+		    tun->vlanid > 0)
+			return tun->vlanid;
+	}
+
+	return -1;
+}
+
+
+void radius_free_class(struct radius_class_data *c)
+{
+	size_t i;
+	if (c == NULL)
+		return;
+	for (i = 0; i < c->count; i++)
+		os_free(c->attr[i].data);
+	os_free(c->attr);
+	c->attr = NULL;
+	c->count = 0;
+}
+
+
+int radius_copy_class(struct radius_class_data *dst,
+		      const struct radius_class_data *src)
+{
+	size_t i;
+
+	if (src->attr == NULL)
+		return 0;
+
+	dst->attr = os_zalloc(src->count * sizeof(struct radius_attr_data));
+	if (dst->attr == NULL)
+		return -1;
+
+	dst->count = 0;
+
+	for (i = 0; i < src->count; i++) {
+		dst->attr[i].data = os_malloc(src->attr[i].len);
+		if (dst->attr[i].data == NULL)
+			break;
+		dst->count++;
+		os_memcpy(dst->attr[i].data, src->attr[i].data,
+			  src->attr[i].len);
+		dst->attr[i].len = src->attr[i].len;
+	}
+
+	return 0;
+}
diff --git a/src/radius/radius.h b/src/radius/radius.h
new file mode 100644
index 0000000..a3cdac0
--- /dev/null
+++ b/src/radius/radius.h
@@ -0,0 +1,273 @@
+/*
+ * RADIUS message processing
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef RADIUS_H
+#define RADIUS_H
+
+/* RFC 2865 - RADIUS */
+
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+struct radius_hdr {
+	u8 code;
+	u8 identifier;
+	u16 length; /* including this header */
+	u8 authenticator[16];
+	/* followed by length-20 octets of attributes */
+} STRUCT_PACKED;
+
+enum { RADIUS_CODE_ACCESS_REQUEST = 1,
+       RADIUS_CODE_ACCESS_ACCEPT = 2,
+       RADIUS_CODE_ACCESS_REJECT = 3,
+       RADIUS_CODE_ACCOUNTING_REQUEST = 4,
+       RADIUS_CODE_ACCOUNTING_RESPONSE = 5,
+       RADIUS_CODE_ACCESS_CHALLENGE = 11,
+       RADIUS_CODE_STATUS_SERVER = 12,
+       RADIUS_CODE_STATUS_CLIENT = 13,
+       RADIUS_CODE_RESERVED = 255
+};
+
+struct radius_attr_hdr {
+	u8 type;
+	u8 length; /* including this header */
+	/* followed by length-2 octets of attribute value */
+} STRUCT_PACKED;
+
+#define RADIUS_MAX_ATTR_LEN (255 - sizeof(struct radius_attr_hdr))
+
+enum { RADIUS_ATTR_USER_NAME = 1,
+       RADIUS_ATTR_USER_PASSWORD = 2,
+       RADIUS_ATTR_NAS_IP_ADDRESS = 4,
+       RADIUS_ATTR_NAS_PORT = 5,
+       RADIUS_ATTR_FRAMED_MTU = 12,
+       RADIUS_ATTR_REPLY_MESSAGE = 18,
+       RADIUS_ATTR_STATE = 24,
+       RADIUS_ATTR_CLASS = 25,
+       RADIUS_ATTR_VENDOR_SPECIFIC = 26,
+       RADIUS_ATTR_SESSION_TIMEOUT = 27,
+       RADIUS_ATTR_IDLE_TIMEOUT = 28,
+       RADIUS_ATTR_TERMINATION_ACTION = 29,
+       RADIUS_ATTR_CALLED_STATION_ID = 30,
+       RADIUS_ATTR_CALLING_STATION_ID = 31,
+       RADIUS_ATTR_NAS_IDENTIFIER = 32,
+       RADIUS_ATTR_PROXY_STATE = 33,
+       RADIUS_ATTR_ACCT_STATUS_TYPE = 40,
+       RADIUS_ATTR_ACCT_DELAY_TIME = 41,
+       RADIUS_ATTR_ACCT_INPUT_OCTETS = 42,
+       RADIUS_ATTR_ACCT_OUTPUT_OCTETS = 43,
+       RADIUS_ATTR_ACCT_SESSION_ID = 44,
+       RADIUS_ATTR_ACCT_AUTHENTIC = 45,
+       RADIUS_ATTR_ACCT_SESSION_TIME = 46,
+       RADIUS_ATTR_ACCT_INPUT_PACKETS = 47,
+       RADIUS_ATTR_ACCT_OUTPUT_PACKETS = 48,
+       RADIUS_ATTR_ACCT_TERMINATE_CAUSE = 49,
+       RADIUS_ATTR_ACCT_MULTI_SESSION_ID = 50,
+       RADIUS_ATTR_ACCT_LINK_COUNT = 51,
+       RADIUS_ATTR_ACCT_INPUT_GIGAWORDS = 52,
+       RADIUS_ATTR_ACCT_OUTPUT_GIGAWORDS = 53,
+       RADIUS_ATTR_EVENT_TIMESTAMP = 55,
+       RADIUS_ATTR_NAS_PORT_TYPE = 61,
+       RADIUS_ATTR_TUNNEL_TYPE = 64,
+       RADIUS_ATTR_TUNNEL_MEDIUM_TYPE = 65,
+       RADIUS_ATTR_CONNECT_INFO = 77,
+       RADIUS_ATTR_EAP_MESSAGE = 79,
+       RADIUS_ATTR_MESSAGE_AUTHENTICATOR = 80,
+       RADIUS_ATTR_TUNNEL_PRIVATE_GROUP_ID = 81,
+       RADIUS_ATTR_ACCT_INTERIM_INTERVAL = 85,
+       RADIUS_ATTR_CHARGEABLE_USER_IDENTITY = 89,
+       RADIUS_ATTR_NAS_IPV6_ADDRESS = 95
+};
+
+
+/* Termination-Action */
+#define RADIUS_TERMINATION_ACTION_DEFAULT 0
+#define RADIUS_TERMINATION_ACTION_RADIUS_REQUEST 1
+
+/* NAS-Port-Type */
+#define RADIUS_NAS_PORT_TYPE_IEEE_802_11 19
+
+/* Acct-Status-Type */
+#define RADIUS_ACCT_STATUS_TYPE_START 1
+#define RADIUS_ACCT_STATUS_TYPE_STOP 2
+#define RADIUS_ACCT_STATUS_TYPE_INTERIM_UPDATE 3
+#define RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_ON 7
+#define RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_OFF 8
+
+/* Acct-Authentic */
+#define RADIUS_ACCT_AUTHENTIC_RADIUS 1
+#define RADIUS_ACCT_AUTHENTIC_LOCAL 2
+#define RADIUS_ACCT_AUTHENTIC_REMOTE 3
+
+/* Acct-Terminate-Cause */
+#define RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST 1
+#define RADIUS_ACCT_TERMINATE_CAUSE_LOST_CARRIER 2
+#define RADIUS_ACCT_TERMINATE_CAUSE_LOST_SERVICE 3
+#define RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT 4
+#define RADIUS_ACCT_TERMINATE_CAUSE_SESSION_TIMEOUT 5
+#define RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_RESET 6
+#define RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_REBOOT 7
+#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_ERROR 8
+#define RADIUS_ACCT_TERMINATE_CAUSE_NAS_ERROR 9
+#define RADIUS_ACCT_TERMINATE_CAUSE_NAS_REQUEST 10
+#define RADIUS_ACCT_TERMINATE_CAUSE_NAS_REBOOT 11
+#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_UNNEEDED 12
+#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_PREEMPTED 13
+#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_SUSPENDED 14
+#define RADIUS_ACCT_TERMINATE_CAUSE_SERVICE_UNAVAILABLE 15
+#define RADIUS_ACCT_TERMINATE_CAUSE_CALLBACK 16
+#define RADIUS_ACCT_TERMINATE_CAUSE_USER_ERROR 17
+#define RADIUS_ACCT_TERMINATE_CAUSE_HOST_REQUEST 18
+
+#define RADIUS_TUNNEL_TAGS 32
+
+/* Tunnel-Type */
+#define RADIUS_TUNNEL_TYPE_PPTP 1
+#define RADIUS_TUNNEL_TYPE_L2TP 3
+#define RADIUS_TUNNEL_TYPE_IPIP 7
+#define RADIUS_TUNNEL_TYPE_GRE 10
+#define RADIUS_TUNNEL_TYPE_VLAN 13
+
+/* Tunnel-Medium-Type */
+#define RADIUS_TUNNEL_MEDIUM_TYPE_IPV4 1
+#define RADIUS_TUNNEL_MEDIUM_TYPE_IPV6 2
+#define RADIUS_TUNNEL_MEDIUM_TYPE_802 6
+
+
+struct radius_attr_vendor {
+	u8 vendor_type;
+	u8 vendor_length;
+} STRUCT_PACKED;
+
+#define RADIUS_VENDOR_ID_CISCO 9
+#define RADIUS_CISCO_AV_PAIR 1
+
+/* RFC 2548 - Microsoft Vendor-specific RADIUS Attributes */
+#define RADIUS_VENDOR_ID_MICROSOFT 311
+
+enum { RADIUS_VENDOR_ATTR_MS_MPPE_SEND_KEY = 16,
+       RADIUS_VENDOR_ATTR_MS_MPPE_RECV_KEY = 17
+};
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+struct radius_ms_mppe_keys {
+	u8 *send;
+	size_t send_len;
+	u8 *recv;
+	size_t recv_len;
+};
+
+
+struct radius_msg;
+
+/* Default size to be allocated for new RADIUS messages */
+#define RADIUS_DEFAULT_MSG_SIZE 1024
+
+/* Default size to be allocated for attribute array */
+#define RADIUS_DEFAULT_ATTR_COUNT 16
+
+
+/* MAC address ASCII format for IEEE 802.1X use
+ * (draft-congdon-radius-8021x-20.txt) */
+#define RADIUS_802_1X_ADDR_FORMAT "%02X-%02X-%02X-%02X-%02X-%02X"
+/* MAC address ASCII format for non-802.1X use */
+#define RADIUS_ADDR_FORMAT "%02x%02x%02x%02x%02x%02x"
+
+struct radius_hdr * radius_msg_get_hdr(struct radius_msg *msg);
+struct wpabuf * radius_msg_get_buf(struct radius_msg *msg);
+struct radius_msg * radius_msg_new(u8 code, u8 identifier);
+void radius_msg_free(struct radius_msg *msg);
+void radius_msg_dump(struct radius_msg *msg);
+int radius_msg_finish(struct radius_msg *msg, const u8 *secret,
+		      size_t secret_len);
+int radius_msg_finish_srv(struct radius_msg *msg, const u8 *secret,
+			  size_t secret_len, const u8 *req_authenticator);
+void radius_msg_finish_acct(struct radius_msg *msg, const u8 *secret,
+			    size_t secret_len);
+struct radius_attr_hdr * radius_msg_add_attr(struct radius_msg *msg, u8 type,
+					     const u8 *data, size_t data_len);
+struct radius_msg * radius_msg_parse(const u8 *data, size_t len);
+int radius_msg_add_eap(struct radius_msg *msg, const u8 *data,
+		       size_t data_len);
+u8 *radius_msg_get_eap(struct radius_msg *msg, size_t *len);
+int radius_msg_verify(struct radius_msg *msg, const u8 *secret,
+		      size_t secret_len, struct radius_msg *sent_msg,
+		      int auth);
+int radius_msg_verify_msg_auth(struct radius_msg *msg, const u8 *secret,
+			       size_t secret_len, const u8 *req_auth);
+int radius_msg_copy_attr(struct radius_msg *dst, struct radius_msg *src,
+			 u8 type);
+void radius_msg_make_authenticator(struct radius_msg *msg,
+				   const u8 *data, size_t len);
+struct radius_ms_mppe_keys *
+radius_msg_get_ms_keys(struct radius_msg *msg, struct radius_msg *sent_msg,
+		       const u8 *secret, size_t secret_len);
+struct radius_ms_mppe_keys *
+radius_msg_get_cisco_keys(struct radius_msg *msg, struct radius_msg *sent_msg,
+			  const u8 *secret, size_t secret_len);
+int radius_msg_add_mppe_keys(struct radius_msg *msg,
+			     const u8 *req_authenticator,
+			     const u8 *secret, size_t secret_len,
+			     const u8 *send_key, size_t send_key_len,
+			     const u8 *recv_key, size_t recv_key_len);
+struct radius_attr_hdr *
+radius_msg_add_attr_user_password(struct radius_msg *msg,
+				  const u8 *data, size_t data_len,
+				  const u8 *secret, size_t secret_len);
+int radius_msg_get_attr(struct radius_msg *msg, u8 type, u8 *buf, size_t len);
+int radius_msg_get_vlanid(struct radius_msg *msg);
+
+static inline int radius_msg_add_attr_int32(struct radius_msg *msg, u8 type,
+					    u32 value)
+{
+	u32 val = htonl(value);
+	return radius_msg_add_attr(msg, type, (u8 *) &val, 4) != NULL;
+}
+
+static inline int radius_msg_get_attr_int32(struct radius_msg *msg, u8 type,
+					    u32 *value)
+{
+	u32 val;
+	int res;
+	res = radius_msg_get_attr(msg, type, (u8 *) &val, 4);
+	if (res != 4)
+		return -1;
+
+	*value = ntohl(val);
+	return 0;
+}
+int radius_msg_get_attr_ptr(struct radius_msg *msg, u8 type, u8 **buf,
+			    size_t *len, const u8 *start);
+int radius_msg_count_attr(struct radius_msg *msg, u8 type, int min_len);
+
+
+struct radius_attr_data {
+	u8 *data;
+	size_t len;
+};
+
+struct radius_class_data {
+	struct radius_attr_data *attr;
+	size_t count;
+};
+
+void radius_free_class(struct radius_class_data *c);
+int radius_copy_class(struct radius_class_data *dst,
+		      const struct radius_class_data *src);
+
+#endif /* RADIUS_H */
diff --git a/src/radius/radius_client.c b/src/radius/radius_client.c
new file mode 100644
index 0000000..691f77a
--- /dev/null
+++ b/src/radius/radius_client.c
@@ -0,0 +1,1499 @@
+/*
+ * RADIUS client
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "radius.h"
+#include "radius_client.h"
+#include "eloop.h"
+
+/* Defaults for RADIUS retransmit values (exponential backoff) */
+
+/**
+ * RADIUS_CLIENT_FIRST_WAIT - RADIUS client timeout for first retry in seconds
+ */
+#define RADIUS_CLIENT_FIRST_WAIT 3
+
+/**
+ * RADIUS_CLIENT_MAX_WAIT - RADIUS client maximum retry timeout in seconds
+ */
+#define RADIUS_CLIENT_MAX_WAIT 120
+
+/**
+ * RADIUS_CLIENT_MAX_RETRIES - RADIUS client maximum retries
+ *
+ * Maximum number of retransmit attempts before the entry is removed from
+ * retransmit list.
+ */
+#define RADIUS_CLIENT_MAX_RETRIES 10
+
+/**
+ * RADIUS_CLIENT_MAX_ENTRIES - RADIUS client maximum pending messages
+ *
+ * Maximum number of entries in retransmit list (oldest entries will be
+ * removed, if this limit is exceeded).
+ */
+#define RADIUS_CLIENT_MAX_ENTRIES 30
+
+/**
+ * RADIUS_CLIENT_NUM_FAILOVER - RADIUS client failover point
+ *
+ * The number of failed retry attempts after which the RADIUS server will be
+ * changed (if one of more backup servers are configured).
+ */
+#define RADIUS_CLIENT_NUM_FAILOVER 4
+
+
+/**
+ * struct radius_rx_handler - RADIUS client RX handler
+ *
+ * This data structure is used internally inside the RADIUS client module to
+ * store registered RX handlers. These handlers are registered by calls to
+ * radius_client_register() and unregistered when the RADIUS client is
+ * deinitialized with a call to radius_client_deinit().
+ */
+struct radius_rx_handler {
+	/**
+	 * handler - Received RADIUS message handler
+	 */
+	RadiusRxResult (*handler)(struct radius_msg *msg,
+				  struct radius_msg *req,
+				  const u8 *shared_secret,
+				  size_t shared_secret_len,
+				  void *data);
+
+	/**
+	 * data - Context data for the handler
+	 */
+	void *data;
+};
+
+
+/**
+ * struct radius_msg_list - RADIUS client message retransmit list
+ *
+ * This data structure is used internally inside the RADIUS client module to
+ * store pending RADIUS requests that may still need to be retransmitted.
+ */
+struct radius_msg_list {
+	/**
+	 * addr - STA/client address
+	 *
+	 * This is used to find RADIUS messages for the same STA.
+	 */
+	u8 addr[ETH_ALEN];
+
+	/**
+	 * msg - RADIUS message
+	 */
+	struct radius_msg *msg;
+
+	/**
+	 * msg_type - Message type
+	 */
+	RadiusType msg_type;
+
+	/**
+	 * first_try - Time of the first transmission attempt
+	 */
+	os_time_t first_try;
+
+	/**
+	 * next_try - Time for the next transmission attempt
+	 */
+	os_time_t next_try;
+
+	/**
+	 * attempts - Number of transmission attempts
+	 */
+	int attempts;
+
+	/**
+	 * next_wait - Next retransmission wait time in seconds
+	 */
+	int next_wait;
+
+	/**
+	 * last_attempt - Time of the last transmission attempt
+	 */
+	struct os_time last_attempt;
+
+	/**
+	 * shared_secret - Shared secret with the target RADIUS server
+	 */
+	const u8 *shared_secret;
+
+	/**
+	 * shared_secret_len - shared_secret length in octets
+	 */
+	size_t shared_secret_len;
+
+	/* TODO: server config with failover to backup server(s) */
+
+	/**
+	 * next - Next message in the list
+	 */
+	struct radius_msg_list *next;
+};
+
+
+/**
+ * struct radius_client_data - Internal RADIUS client data
+ *
+ * This data structure is used internally inside the RADIUS client module.
+ * External users allocate this by calling radius_client_init() and free it by
+ * calling radius_client_deinit(). The pointer to this opaque data is used in
+ * calls to other functions as an identifier for the RADIUS client instance.
+ */
+struct radius_client_data {
+	/**
+	 * ctx - Context pointer for hostapd_logger() callbacks
+	 */
+	void *ctx;
+
+	/**
+	 * conf - RADIUS client configuration (list of RADIUS servers to use)
+	 */
+	struct hostapd_radius_servers *conf;
+
+	/**
+	 * auth_serv_sock - IPv4 socket for RADIUS authentication messages
+	 */
+	int auth_serv_sock;
+
+	/**
+	 * acct_serv_sock - IPv4 socket for RADIUS accounting messages
+	 */
+	int acct_serv_sock;
+
+	/**
+	 * auth_serv_sock6 - IPv6 socket for RADIUS authentication messages
+	 */
+	int auth_serv_sock6;
+
+	/**
+	 * acct_serv_sock6 - IPv6 socket for RADIUS accounting messages
+	 */
+	int acct_serv_sock6;
+
+	/**
+	 * auth_sock - Currently used socket for RADIUS authentication server
+	 */
+	int auth_sock;
+
+	/**
+	 * acct_sock - Currently used socket for RADIUS accounting server
+	 */
+	int acct_sock;
+
+	/**
+	 * auth_handlers - Authentication message handlers
+	 */
+	struct radius_rx_handler *auth_handlers;
+
+	/**
+	 * num_auth_handlers - Number of handlers in auth_handlers
+	 */
+	size_t num_auth_handlers;
+
+	/**
+	 * acct_handlers - Accounting message handlers
+	 */
+	struct radius_rx_handler *acct_handlers;
+
+	/**
+	 * num_acct_handlers - Number of handlers in acct_handlers
+	 */
+	size_t num_acct_handlers;
+
+	/**
+	 * msgs - Pending outgoing RADIUS messages
+	 */
+	struct radius_msg_list *msgs;
+
+	/**
+	 * num_msgs - Number of pending messages in the msgs list
+	 */
+	size_t num_msgs;
+
+	/**
+	 * next_radius_identifier - Next RADIUS message identifier to use
+	 */
+	u8 next_radius_identifier;
+};
+
+
+static int
+radius_change_server(struct radius_client_data *radius,
+		     struct hostapd_radius_server *nserv,
+		     struct hostapd_radius_server *oserv,
+		     int sock, int sock6, int auth);
+static int radius_client_init_acct(struct radius_client_data *radius);
+static int radius_client_init_auth(struct radius_client_data *radius);
+
+
+static void radius_client_msg_free(struct radius_msg_list *req)
+{
+	radius_msg_free(req->msg);
+	os_free(req);
+}
+
+
+/**
+ * radius_client_register - Register a RADIUS client RX handler
+ * @radius: RADIUS client context from radius_client_init()
+ * @msg_type: RADIUS client type (RADIUS_AUTH or RADIUS_ACCT)
+ * @handler: Handler for received RADIUS messages
+ * @data: Context pointer for handler callbacks
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is used to register a handler for processing received RADIUS
+ * authentication and accounting messages. The handler() callback function will
+ * be called whenever a RADIUS message is received from the active server.
+ *
+ * There can be multiple registered RADIUS message handlers. The handlers will
+ * be called in order until one of them indicates that it has processed or
+ * queued the message.
+ */
+int radius_client_register(struct radius_client_data *radius,
+			   RadiusType msg_type,
+			   RadiusRxResult (*handler)(struct radius_msg *msg,
+						     struct radius_msg *req,
+						     const u8 *shared_secret,
+						     size_t shared_secret_len,
+						     void *data),
+			   void *data)
+{
+	struct radius_rx_handler **handlers, *newh;
+	size_t *num;
+
+	if (msg_type == RADIUS_ACCT) {
+		handlers = &radius->acct_handlers;
+		num = &radius->num_acct_handlers;
+	} else {
+		handlers = &radius->auth_handlers;
+		num = &radius->num_auth_handlers;
+	}
+
+	newh = os_realloc(*handlers,
+			  (*num + 1) * sizeof(struct radius_rx_handler));
+	if (newh == NULL)
+		return -1;
+
+	newh[*num].handler = handler;
+	newh[*num].data = data;
+	(*num)++;
+	*handlers = newh;
+
+	return 0;
+}
+
+
+static void radius_client_handle_send_error(struct radius_client_data *radius,
+					    int s, RadiusType msg_type)
+{
+#ifndef CONFIG_NATIVE_WINDOWS
+	int _errno = errno;
+	perror("send[RADIUS]");
+	if (_errno == ENOTCONN || _errno == EDESTADDRREQ || _errno == EINVAL ||
+	    _errno == EBADF) {
+		hostapd_logger(radius->ctx, NULL, HOSTAPD_MODULE_RADIUS,
+			       HOSTAPD_LEVEL_INFO,
+			       "Send failed - maybe interface status changed -"
+			       " try to connect again");
+		eloop_unregister_read_sock(s);
+		close(s);
+		if (msg_type == RADIUS_ACCT || msg_type == RADIUS_ACCT_INTERIM)
+			radius_client_init_acct(radius);
+		else
+			radius_client_init_auth(radius);
+	}
+#endif /* CONFIG_NATIVE_WINDOWS */
+}
+
+
+static int radius_client_retransmit(struct radius_client_data *radius,
+				    struct radius_msg_list *entry,
+				    os_time_t now)
+{
+	struct hostapd_radius_servers *conf = radius->conf;
+	int s;
+	struct wpabuf *buf;
+
+	if (entry->msg_type == RADIUS_ACCT ||
+	    entry->msg_type == RADIUS_ACCT_INTERIM) {
+		s = radius->acct_sock;
+		if (entry->attempts == 0)
+			conf->acct_server->requests++;
+		else {
+			conf->acct_server->timeouts++;
+			conf->acct_server->retransmissions++;
+		}
+	} else {
+		s = radius->auth_sock;
+		if (entry->attempts == 0)
+			conf->auth_server->requests++;
+		else {
+			conf->auth_server->timeouts++;
+			conf->auth_server->retransmissions++;
+		}
+	}
+
+	/* retransmit; remove entry if too many attempts */
+	entry->attempts++;
+	hostapd_logger(radius->ctx, entry->addr, HOSTAPD_MODULE_RADIUS,
+		       HOSTAPD_LEVEL_DEBUG, "Resending RADIUS message (id=%d)",
+		       radius_msg_get_hdr(entry->msg)->identifier);
+
+	os_get_time(&entry->last_attempt);
+	buf = radius_msg_get_buf(entry->msg);
+	if (send(s, wpabuf_head(buf), wpabuf_len(buf), 0) < 0)
+		radius_client_handle_send_error(radius, s, entry->msg_type);
+
+	entry->next_try = now + entry->next_wait;
+	entry->next_wait *= 2;
+	if (entry->next_wait > RADIUS_CLIENT_MAX_WAIT)
+		entry->next_wait = RADIUS_CLIENT_MAX_WAIT;
+	if (entry->attempts >= RADIUS_CLIENT_MAX_RETRIES) {
+		printf("Removing un-ACKed RADIUS message due to too many "
+		       "failed retransmit attempts\n");
+		return 1;
+	}
+
+	return 0;
+}
+
+
+static void radius_client_timer(void *eloop_ctx, void *timeout_ctx)
+{
+	struct radius_client_data *radius = eloop_ctx;
+	struct hostapd_radius_servers *conf = radius->conf;
+	struct os_time now;
+	os_time_t first;
+	struct radius_msg_list *entry, *prev, *tmp;
+	int auth_failover = 0, acct_failover = 0;
+	char abuf[50];
+
+	entry = radius->msgs;
+	if (!entry)
+		return;
+
+	os_get_time(&now);
+	first = 0;
+
+	prev = NULL;
+	while (entry) {
+		if (now.sec >= entry->next_try &&
+		    radius_client_retransmit(radius, entry, now.sec)) {
+			if (prev)
+				prev->next = entry->next;
+			else
+				radius->msgs = entry->next;
+
+			tmp = entry;
+			entry = entry->next;
+			radius_client_msg_free(tmp);
+			radius->num_msgs--;
+			continue;
+		}
+
+		if (entry->attempts > RADIUS_CLIENT_NUM_FAILOVER) {
+			if (entry->msg_type == RADIUS_ACCT ||
+			    entry->msg_type == RADIUS_ACCT_INTERIM)
+				acct_failover++;
+			else
+				auth_failover++;
+		}
+
+		if (first == 0 || entry->next_try < first)
+			first = entry->next_try;
+
+		prev = entry;
+		entry = entry->next;
+	}
+
+	if (radius->msgs) {
+		if (first < now.sec)
+			first = now.sec;
+		eloop_register_timeout(first - now.sec, 0,
+				       radius_client_timer, radius, NULL);
+		hostapd_logger(radius->ctx, NULL, HOSTAPD_MODULE_RADIUS,
+			       HOSTAPD_LEVEL_DEBUG, "Next RADIUS client "
+			       "retransmit in %ld seconds",
+			       (long int) (first - now.sec));
+	}
+
+	if (auth_failover && conf->num_auth_servers > 1) {
+		struct hostapd_radius_server *next, *old;
+		old = conf->auth_server;
+		hostapd_logger(radius->ctx, NULL, HOSTAPD_MODULE_RADIUS,
+			       HOSTAPD_LEVEL_NOTICE,
+			       "No response from Authentication server "
+			       "%s:%d - failover",
+			       hostapd_ip_txt(&old->addr, abuf, sizeof(abuf)),
+			       old->port);
+
+		for (entry = radius->msgs; entry; entry = entry->next) {
+			if (entry->msg_type == RADIUS_AUTH)
+				old->timeouts++;
+		}
+
+		next = old + 1;
+		if (next > &(conf->auth_servers[conf->num_auth_servers - 1]))
+			next = conf->auth_servers;
+		conf->auth_server = next;
+		radius_change_server(radius, next, old,
+				     radius->auth_serv_sock,
+				     radius->auth_serv_sock6, 1);
+	}
+
+	if (acct_failover && conf->num_acct_servers > 1) {
+		struct hostapd_radius_server *next, *old;
+		old = conf->acct_server;
+		hostapd_logger(radius->ctx, NULL, HOSTAPD_MODULE_RADIUS,
+			       HOSTAPD_LEVEL_NOTICE,
+			       "No response from Accounting server "
+			       "%s:%d - failover",
+			       hostapd_ip_txt(&old->addr, abuf, sizeof(abuf)),
+			       old->port);
+
+		for (entry = radius->msgs; entry; entry = entry->next) {
+			if (entry->msg_type == RADIUS_ACCT ||
+			    entry->msg_type == RADIUS_ACCT_INTERIM)
+				old->timeouts++;
+		}
+
+		next = old + 1;
+		if (next > &conf->acct_servers[conf->num_acct_servers - 1])
+			next = conf->acct_servers;
+		conf->acct_server = next;
+		radius_change_server(radius, next, old,
+				     radius->acct_serv_sock,
+				     radius->acct_serv_sock6, 0);
+	}
+}
+
+
+static void radius_client_update_timeout(struct radius_client_data *radius)
+{
+	struct os_time now;
+	os_time_t first;
+	struct radius_msg_list *entry;
+
+	eloop_cancel_timeout(radius_client_timer, radius, NULL);
+
+	if (radius->msgs == NULL) {
+		return;
+	}
+
+	first = 0;
+	for (entry = radius->msgs; entry; entry = entry->next) {
+		if (first == 0 || entry->next_try < first)
+			first = entry->next_try;
+	}
+
+	os_get_time(&now);
+	if (first < now.sec)
+		first = now.sec;
+	eloop_register_timeout(first - now.sec, 0, radius_client_timer, radius,
+			       NULL);
+	hostapd_logger(radius->ctx, NULL, HOSTAPD_MODULE_RADIUS,
+		       HOSTAPD_LEVEL_DEBUG, "Next RADIUS client retransmit in"
+		       " %ld seconds\n", (long int) (first - now.sec));
+}
+
+
+static void radius_client_list_add(struct radius_client_data *radius,
+				   struct radius_msg *msg,
+				   RadiusType msg_type,
+				   const u8 *shared_secret,
+				   size_t shared_secret_len, const u8 *addr)
+{
+	struct radius_msg_list *entry, *prev;
+
+	if (eloop_terminated()) {
+		/* No point in adding entries to retransmit queue since event
+		 * loop has already been terminated. */
+		radius_msg_free(msg);
+		return;
+	}
+
+	entry = os_zalloc(sizeof(*entry));
+	if (entry == NULL) {
+		printf("Failed to add RADIUS packet into retransmit list\n");
+		radius_msg_free(msg);
+		return;
+	}
+
+	if (addr)
+		os_memcpy(entry->addr, addr, ETH_ALEN);
+	entry->msg = msg;
+	entry->msg_type = msg_type;
+	entry->shared_secret = shared_secret;
+	entry->shared_secret_len = shared_secret_len;
+	os_get_time(&entry->last_attempt);
+	entry->first_try = entry->last_attempt.sec;
+	entry->next_try = entry->first_try + RADIUS_CLIENT_FIRST_WAIT;
+	entry->attempts = 1;
+	entry->next_wait = RADIUS_CLIENT_FIRST_WAIT * 2;
+	entry->next = radius->msgs;
+	radius->msgs = entry;
+	radius_client_update_timeout(radius);
+
+	if (radius->num_msgs >= RADIUS_CLIENT_MAX_ENTRIES) {
+		printf("Removing the oldest un-ACKed RADIUS packet due to "
+		       "retransmit list limits.\n");
+		prev = NULL;
+		while (entry->next) {
+			prev = entry;
+			entry = entry->next;
+		}
+		if (prev) {
+			prev->next = NULL;
+			radius_client_msg_free(entry);
+		}
+	} else
+		radius->num_msgs++;
+}
+
+
+static void radius_client_list_del(struct radius_client_data *radius,
+				   RadiusType msg_type, const u8 *addr)
+{
+	struct radius_msg_list *entry, *prev, *tmp;
+
+	if (addr == NULL)
+		return;
+
+	entry = radius->msgs;
+	prev = NULL;
+	while (entry) {
+		if (entry->msg_type == msg_type &&
+		    os_memcmp(entry->addr, addr, ETH_ALEN) == 0) {
+			if (prev)
+				prev->next = entry->next;
+			else
+				radius->msgs = entry->next;
+			tmp = entry;
+			entry = entry->next;
+			hostapd_logger(radius->ctx, addr,
+				       HOSTAPD_MODULE_RADIUS,
+				       HOSTAPD_LEVEL_DEBUG,
+				       "Removing matching RADIUS message");
+			radius_client_msg_free(tmp);
+			radius->num_msgs--;
+			continue;
+		}
+		prev = entry;
+		entry = entry->next;
+	}
+}
+
+
+/**
+ * radius_client_send - Send a RADIUS request
+ * @radius: RADIUS client context from radius_client_init()
+ * @msg: RADIUS message to be sent
+ * @msg_type: Message type (RADIUS_AUTH, RADIUS_ACCT, RADIUS_ACCT_INTERIM)
+ * @addr: MAC address of the device related to this message or %NULL
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is used to transmit a RADIUS authentication (RADIUS_AUTH) or
+ * accounting request (RADIUS_ACCT or RADIUS_ACCT_INTERIM). The only difference
+ * between accounting and interim accounting messages is that the interim
+ * message will override any pending interim accounting updates while a new
+ * accounting message does not remove any pending messages.
+ *
+ * The message is added on the retransmission queue and will be retransmitted
+ * automatically until a response is received or maximum number of retries
+ * (RADIUS_CLIENT_MAX_RETRIES) is reached.
+ *
+ * The related device MAC address can be used to identify pending messages that
+ * can be removed with radius_client_flush_auth() or with interim accounting
+ * updates.
+ */
+int radius_client_send(struct radius_client_data *radius,
+		       struct radius_msg *msg, RadiusType msg_type,
+		       const u8 *addr)
+{
+	struct hostapd_radius_servers *conf = radius->conf;
+	const u8 *shared_secret;
+	size_t shared_secret_len;
+	char *name;
+	int s, res;
+	struct wpabuf *buf;
+
+	if (msg_type == RADIUS_ACCT_INTERIM) {
+		/* Remove any pending interim acct update for the same STA. */
+		radius_client_list_del(radius, msg_type, addr);
+	}
+
+	if (msg_type == RADIUS_ACCT || msg_type == RADIUS_ACCT_INTERIM) {
+		if (conf->acct_server == NULL) {
+			hostapd_logger(radius->ctx, NULL,
+				       HOSTAPD_MODULE_RADIUS,
+				       HOSTAPD_LEVEL_INFO,
+				       "No accounting server configured");
+			return -1;
+		}
+		shared_secret = conf->acct_server->shared_secret;
+		shared_secret_len = conf->acct_server->shared_secret_len;
+		radius_msg_finish_acct(msg, shared_secret, shared_secret_len);
+		name = "accounting";
+		s = radius->acct_sock;
+		conf->acct_server->requests++;
+	} else {
+		if (conf->auth_server == NULL) {
+			hostapd_logger(radius->ctx, NULL,
+				       HOSTAPD_MODULE_RADIUS,
+				       HOSTAPD_LEVEL_INFO,
+				       "No authentication server configured");
+			return -1;
+		}
+		shared_secret = conf->auth_server->shared_secret;
+		shared_secret_len = conf->auth_server->shared_secret_len;
+		radius_msg_finish(msg, shared_secret, shared_secret_len);
+		name = "authentication";
+		s = radius->auth_sock;
+		conf->auth_server->requests++;
+	}
+
+	hostapd_logger(radius->ctx, NULL, HOSTAPD_MODULE_RADIUS,
+		       HOSTAPD_LEVEL_DEBUG, "Sending RADIUS message to %s "
+		       "server", name);
+	if (conf->msg_dumps)
+		radius_msg_dump(msg);
+
+	buf = radius_msg_get_buf(msg);
+	res = send(s, wpabuf_head(buf), wpabuf_len(buf), 0);
+	if (res < 0)
+		radius_client_handle_send_error(radius, s, msg_type);
+
+	radius_client_list_add(radius, msg, msg_type, shared_secret,
+			       shared_secret_len, addr);
+
+	return res;
+}
+
+
+static void radius_client_receive(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	struct radius_client_data *radius = eloop_ctx;
+	struct hostapd_radius_servers *conf = radius->conf;
+	RadiusType msg_type = (RadiusType) sock_ctx;
+	int len, roundtrip;
+	unsigned char buf[3000];
+	struct radius_msg *msg;
+	struct radius_hdr *hdr;
+	struct radius_rx_handler *handlers;
+	size_t num_handlers, i;
+	struct radius_msg_list *req, *prev_req;
+	struct os_time now;
+	struct hostapd_radius_server *rconf;
+	int invalid_authenticator = 0;
+
+	if (msg_type == RADIUS_ACCT) {
+		handlers = radius->acct_handlers;
+		num_handlers = radius->num_acct_handlers;
+		rconf = conf->acct_server;
+	} else {
+		handlers = radius->auth_handlers;
+		num_handlers = radius->num_auth_handlers;
+		rconf = conf->auth_server;
+	}
+
+	len = recv(sock, buf, sizeof(buf), MSG_DONTWAIT);
+	if (len < 0) {
+		perror("recv[RADIUS]");
+		return;
+	}
+	hostapd_logger(radius->ctx, NULL, HOSTAPD_MODULE_RADIUS,
+		       HOSTAPD_LEVEL_DEBUG, "Received %d bytes from RADIUS "
+		       "server", len);
+	if (len == sizeof(buf)) {
+		printf("Possibly too long UDP frame for our buffer - "
+		       "dropping it\n");
+		return;
+	}
+
+	msg = radius_msg_parse(buf, len);
+	if (msg == NULL) {
+		printf("Parsing incoming RADIUS frame failed\n");
+		rconf->malformed_responses++;
+		return;
+	}
+	hdr = radius_msg_get_hdr(msg);
+
+	hostapd_logger(radius->ctx, NULL, HOSTAPD_MODULE_RADIUS,
+		       HOSTAPD_LEVEL_DEBUG, "Received RADIUS message");
+	if (conf->msg_dumps)
+		radius_msg_dump(msg);
+
+	switch (hdr->code) {
+	case RADIUS_CODE_ACCESS_ACCEPT:
+		rconf->access_accepts++;
+		break;
+	case RADIUS_CODE_ACCESS_REJECT:
+		rconf->access_rejects++;
+		break;
+	case RADIUS_CODE_ACCESS_CHALLENGE:
+		rconf->access_challenges++;
+		break;
+	case RADIUS_CODE_ACCOUNTING_RESPONSE:
+		rconf->responses++;
+		break;
+	}
+
+	prev_req = NULL;
+	req = radius->msgs;
+	while (req) {
+		/* TODO: also match by src addr:port of the packet when using
+		 * alternative RADIUS servers (?) */
+		if ((req->msg_type == msg_type ||
+		     (req->msg_type == RADIUS_ACCT_INTERIM &&
+		      msg_type == RADIUS_ACCT)) &&
+		    radius_msg_get_hdr(req->msg)->identifier ==
+		    hdr->identifier)
+			break;
+
+		prev_req = req;
+		req = req->next;
+	}
+
+	if (req == NULL) {
+		hostapd_logger(radius->ctx, NULL, HOSTAPD_MODULE_RADIUS,
+			       HOSTAPD_LEVEL_DEBUG,
+			       "No matching RADIUS request found (type=%d "
+			       "id=%d) - dropping packet",
+			       msg_type, hdr->identifier);
+		goto fail;
+	}
+
+	os_get_time(&now);
+	roundtrip = (now.sec - req->last_attempt.sec) * 100 +
+		(now.usec - req->last_attempt.usec) / 10000;
+	hostapd_logger(radius->ctx, req->addr, HOSTAPD_MODULE_RADIUS,
+		       HOSTAPD_LEVEL_DEBUG,
+		       "Received RADIUS packet matched with a pending "
+		       "request, round trip time %d.%02d sec",
+		       roundtrip / 100, roundtrip % 100);
+	rconf->round_trip_time = roundtrip;
+
+	/* Remove ACKed RADIUS packet from retransmit list */
+	if (prev_req)
+		prev_req->next = req->next;
+	else
+		radius->msgs = req->next;
+	radius->num_msgs--;
+
+	for (i = 0; i < num_handlers; i++) {
+		RadiusRxResult res;
+		res = handlers[i].handler(msg, req->msg, req->shared_secret,
+					  req->shared_secret_len,
+					  handlers[i].data);
+		switch (res) {
+		case RADIUS_RX_PROCESSED:
+			radius_msg_free(msg);
+			/* continue */
+		case RADIUS_RX_QUEUED:
+			radius_client_msg_free(req);
+			return;
+		case RADIUS_RX_INVALID_AUTHENTICATOR:
+			invalid_authenticator++;
+			/* continue */
+		case RADIUS_RX_UNKNOWN:
+			/* continue with next handler */
+			break;
+		}
+	}
+
+	if (invalid_authenticator)
+		rconf->bad_authenticators++;
+	else
+		rconf->unknown_types++;
+	hostapd_logger(radius->ctx, req->addr, HOSTAPD_MODULE_RADIUS,
+		       HOSTAPD_LEVEL_DEBUG, "No RADIUS RX handler found "
+		       "(type=%d code=%d id=%d)%s - dropping packet",
+		       msg_type, hdr->code, hdr->identifier,
+		       invalid_authenticator ? " [INVALID AUTHENTICATOR]" :
+		       "");
+	radius_client_msg_free(req);
+
+ fail:
+	radius_msg_free(msg);
+}
+
+
+/**
+ * radius_client_get_id - Get an identifier for a new RADIUS message
+ * @radius: RADIUS client context from radius_client_init()
+ * Returns: Allocated identifier
+ *
+ * This function is used to fetch a unique (among pending requests) identifier
+ * for a new RADIUS message.
+ */
+u8 radius_client_get_id(struct radius_client_data *radius)
+{
+	struct radius_msg_list *entry, *prev, *_remove;
+	u8 id = radius->next_radius_identifier++;
+
+	/* remove entries with matching id from retransmit list to avoid
+	 * using new reply from the RADIUS server with an old request */
+	entry = radius->msgs;
+	prev = NULL;
+	while (entry) {
+		if (radius_msg_get_hdr(entry->msg)->identifier == id) {
+			hostapd_logger(radius->ctx, entry->addr,
+				       HOSTAPD_MODULE_RADIUS,
+				       HOSTAPD_LEVEL_DEBUG,
+				       "Removing pending RADIUS message, "
+				       "since its id (%d) is reused", id);
+			if (prev)
+				prev->next = entry->next;
+			else
+				radius->msgs = entry->next;
+			_remove = entry;
+		} else {
+			_remove = NULL;
+			prev = entry;
+		}
+		entry = entry->next;
+
+		if (_remove)
+			radius_client_msg_free(_remove);
+	}
+
+	return id;
+}
+
+
+/**
+ * radius_client_flush - Flush all pending RADIUS client messages
+ * @radius: RADIUS client context from radius_client_init()
+ * @only_auth: Whether only authentication messages are removed
+ */
+void radius_client_flush(struct radius_client_data *radius, int only_auth)
+{
+	struct radius_msg_list *entry, *prev, *tmp;
+
+	if (!radius)
+		return;
+
+	prev = NULL;
+	entry = radius->msgs;
+
+	while (entry) {
+		if (!only_auth || entry->msg_type == RADIUS_AUTH) {
+			if (prev)
+				prev->next = entry->next;
+			else
+				radius->msgs = entry->next;
+
+			tmp = entry;
+			entry = entry->next;
+			radius_client_msg_free(tmp);
+			radius->num_msgs--;
+		} else {
+			prev = entry;
+			entry = entry->next;
+		}
+	}
+
+	if (radius->msgs == NULL)
+		eloop_cancel_timeout(radius_client_timer, radius, NULL);
+}
+
+
+static void radius_client_update_acct_msgs(struct radius_client_data *radius,
+					   const u8 *shared_secret,
+					   size_t shared_secret_len)
+{
+	struct radius_msg_list *entry;
+
+	if (!radius)
+		return;
+
+	for (entry = radius->msgs; entry; entry = entry->next) {
+		if (entry->msg_type == RADIUS_ACCT) {
+			entry->shared_secret = shared_secret;
+			entry->shared_secret_len = shared_secret_len;
+			radius_msg_finish_acct(entry->msg, shared_secret,
+					       shared_secret_len);
+		}
+	}
+}
+
+
+static int
+radius_change_server(struct radius_client_data *radius,
+		     struct hostapd_radius_server *nserv,
+		     struct hostapd_radius_server *oserv,
+		     int sock, int sock6, int auth)
+{
+	struct sockaddr_in serv, claddr;
+#ifdef CONFIG_IPV6
+	struct sockaddr_in6 serv6, claddr6;
+#endif /* CONFIG_IPV6 */
+	struct sockaddr *addr, *cl_addr;
+	socklen_t addrlen, claddrlen;
+	char abuf[50];
+	int sel_sock;
+	struct radius_msg_list *entry;
+	struct hostapd_radius_servers *conf = radius->conf;
+
+	hostapd_logger(radius->ctx, NULL, HOSTAPD_MODULE_RADIUS,
+		       HOSTAPD_LEVEL_INFO,
+		       "%s server %s:%d",
+		       auth ? "Authentication" : "Accounting",
+		       hostapd_ip_txt(&nserv->addr, abuf, sizeof(abuf)),
+		       nserv->port);
+
+	if (!oserv || nserv->shared_secret_len != oserv->shared_secret_len ||
+	    os_memcmp(nserv->shared_secret, oserv->shared_secret,
+		      nserv->shared_secret_len) != 0) {
+		/* Pending RADIUS packets used different shared secret, so
+		 * they need to be modified. Update accounting message
+		 * authenticators here. Authentication messages are removed
+		 * since they would require more changes and the new RADIUS
+		 * server may not be prepared to receive them anyway due to
+		 * missing state information. Client will likely retry
+		 * authentication, so this should not be an issue. */
+		if (auth)
+			radius_client_flush(radius, 1);
+		else {
+			radius_client_update_acct_msgs(
+				radius, nserv->shared_secret,
+				nserv->shared_secret_len);
+		}
+	}
+
+	/* Reset retry counters for the new server */
+	for (entry = radius->msgs; entry; entry = entry->next) {
+		if ((auth && entry->msg_type != RADIUS_AUTH) ||
+		    (!auth && entry->msg_type != RADIUS_ACCT))
+			continue;
+		entry->next_try = entry->first_try + RADIUS_CLIENT_FIRST_WAIT;
+		entry->attempts = 0;
+		entry->next_wait = RADIUS_CLIENT_FIRST_WAIT * 2;
+	}
+
+	if (radius->msgs) {
+		eloop_cancel_timeout(radius_client_timer, radius, NULL);
+		eloop_register_timeout(RADIUS_CLIENT_FIRST_WAIT, 0,
+				       radius_client_timer, radius, NULL);
+	}
+
+	switch (nserv->addr.af) {
+	case AF_INET:
+		os_memset(&serv, 0, sizeof(serv));
+		serv.sin_family = AF_INET;
+		serv.sin_addr.s_addr = nserv->addr.u.v4.s_addr;
+		serv.sin_port = htons(nserv->port);
+		addr = (struct sockaddr *) &serv;
+		addrlen = sizeof(serv);
+		sel_sock = sock;
+		break;
+#ifdef CONFIG_IPV6
+	case AF_INET6:
+		os_memset(&serv6, 0, sizeof(serv6));
+		serv6.sin6_family = AF_INET6;
+		os_memcpy(&serv6.sin6_addr, &nserv->addr.u.v6,
+			  sizeof(struct in6_addr));
+		serv6.sin6_port = htons(nserv->port);
+		addr = (struct sockaddr *) &serv6;
+		addrlen = sizeof(serv6);
+		sel_sock = sock6;
+		break;
+#endif /* CONFIG_IPV6 */
+	default:
+		return -1;
+	}
+
+	if (conf->force_client_addr) {
+		switch (conf->client_addr.af) {
+		case AF_INET:
+			os_memset(&claddr, 0, sizeof(claddr));
+			claddr.sin_family = AF_INET;
+			claddr.sin_addr.s_addr = conf->client_addr.u.v4.s_addr;
+			claddr.sin_port = htons(0);
+			cl_addr = (struct sockaddr *) &claddr;
+			claddrlen = sizeof(claddr);
+			break;
+#ifdef CONFIG_IPV6
+		case AF_INET6:
+			os_memset(&claddr6, 0, sizeof(claddr6));
+			claddr6.sin6_family = AF_INET6;
+			os_memcpy(&claddr6.sin6_addr, &conf->client_addr.u.v6,
+				  sizeof(struct in6_addr));
+			claddr6.sin6_port = htons(0);
+			cl_addr = (struct sockaddr *) &claddr6;
+			claddrlen = sizeof(claddr6);
+			break;
+#endif /* CONFIG_IPV6 */
+		default:
+			return -1;
+		}
+
+		if (bind(sel_sock, cl_addr, claddrlen) < 0) {
+			perror("bind[radius]");
+			return -1;
+		}
+	}
+
+	if (connect(sel_sock, addr, addrlen) < 0) {
+		perror("connect[radius]");
+		return -1;
+	}
+
+#ifndef CONFIG_NATIVE_WINDOWS
+	switch (nserv->addr.af) {
+	case AF_INET:
+		claddrlen = sizeof(claddr);
+		getsockname(sel_sock, (struct sockaddr *) &claddr, &claddrlen);
+		wpa_printf(MSG_DEBUG, "RADIUS local address: %s:%u",
+			   inet_ntoa(claddr.sin_addr), ntohs(claddr.sin_port));
+		break;
+#ifdef CONFIG_IPV6
+	case AF_INET6: {
+		claddrlen = sizeof(claddr6);
+		getsockname(sel_sock, (struct sockaddr *) &claddr6,
+			    &claddrlen);
+		wpa_printf(MSG_DEBUG, "RADIUS local address: %s:%u",
+			   inet_ntop(AF_INET6, &claddr6.sin6_addr,
+				     abuf, sizeof(abuf)),
+			   ntohs(claddr6.sin6_port));
+		break;
+	}
+#endif /* CONFIG_IPV6 */
+	}
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+	if (auth)
+		radius->auth_sock = sel_sock;
+	else
+		radius->acct_sock = sel_sock;
+
+	return 0;
+}
+
+
+static void radius_retry_primary_timer(void *eloop_ctx, void *timeout_ctx)
+{
+	struct radius_client_data *radius = eloop_ctx;
+	struct hostapd_radius_servers *conf = radius->conf;
+	struct hostapd_radius_server *oserv;
+
+	if (radius->auth_sock >= 0 && conf->auth_servers &&
+	    conf->auth_server != conf->auth_servers) {
+		oserv = conf->auth_server;
+		conf->auth_server = conf->auth_servers;
+		radius_change_server(radius, conf->auth_server, oserv,
+				     radius->auth_serv_sock,
+				     radius->auth_serv_sock6, 1);
+	}
+
+	if (radius->acct_sock >= 0 && conf->acct_servers &&
+	    conf->acct_server != conf->acct_servers) {
+		oserv = conf->acct_server;
+		conf->acct_server = conf->acct_servers;
+		radius_change_server(radius, conf->acct_server, oserv,
+				     radius->acct_serv_sock,
+				     radius->acct_serv_sock6, 0);
+	}
+
+	if (conf->retry_primary_interval)
+		eloop_register_timeout(conf->retry_primary_interval, 0,
+				       radius_retry_primary_timer, radius,
+				       NULL);
+}
+
+
+static int radius_client_disable_pmtu_discovery(int s)
+{
+	int r = -1;
+#if defined(IP_MTU_DISCOVER) && defined(IP_PMTUDISC_DONT)
+	/* Turn off Path MTU discovery on IPv4/UDP sockets. */
+	int action = IP_PMTUDISC_DONT;
+	r = setsockopt(s, IPPROTO_IP, IP_MTU_DISCOVER, &action,
+		       sizeof(action));
+	if (r == -1)
+		wpa_printf(MSG_ERROR, "Failed to set IP_MTU_DISCOVER: "
+			   "%s", strerror(errno));
+#endif
+	return r;
+}
+
+
+static int radius_client_init_auth(struct radius_client_data *radius)
+{
+	struct hostapd_radius_servers *conf = radius->conf;
+	int ok = 0;
+
+	radius->auth_serv_sock = socket(PF_INET, SOCK_DGRAM, 0);
+	if (radius->auth_serv_sock < 0)
+		perror("socket[PF_INET,SOCK_DGRAM]");
+	else {
+		radius_client_disable_pmtu_discovery(radius->auth_serv_sock);
+		ok++;
+	}
+
+#ifdef CONFIG_IPV6
+	radius->auth_serv_sock6 = socket(PF_INET6, SOCK_DGRAM, 0);
+	if (radius->auth_serv_sock6 < 0)
+		perror("socket[PF_INET6,SOCK_DGRAM]");
+	else
+		ok++;
+#endif /* CONFIG_IPV6 */
+
+	if (ok == 0)
+		return -1;
+
+	radius_change_server(radius, conf->auth_server, NULL,
+			     radius->auth_serv_sock, radius->auth_serv_sock6,
+			     1);
+
+	if (radius->auth_serv_sock >= 0 &&
+	    eloop_register_read_sock(radius->auth_serv_sock,
+				     radius_client_receive, radius,
+				     (void *) RADIUS_AUTH)) {
+		printf("Could not register read socket for authentication "
+		       "server\n");
+		return -1;
+	}
+
+#ifdef CONFIG_IPV6
+	if (radius->auth_serv_sock6 >= 0 &&
+	    eloop_register_read_sock(radius->auth_serv_sock6,
+				     radius_client_receive, radius,
+				     (void *) RADIUS_AUTH)) {
+		printf("Could not register read socket for authentication "
+		       "server\n");
+		return -1;
+	}
+#endif /* CONFIG_IPV6 */
+
+	return 0;
+}
+
+
+static int radius_client_init_acct(struct radius_client_data *radius)
+{
+	struct hostapd_radius_servers *conf = radius->conf;
+	int ok = 0;
+
+	radius->acct_serv_sock = socket(PF_INET, SOCK_DGRAM, 0);
+	if (radius->acct_serv_sock < 0)
+		perror("socket[PF_INET,SOCK_DGRAM]");
+	else {
+		radius_client_disable_pmtu_discovery(radius->acct_serv_sock);
+		ok++;
+	}
+
+#ifdef CONFIG_IPV6
+	radius->acct_serv_sock6 = socket(PF_INET6, SOCK_DGRAM, 0);
+	if (radius->acct_serv_sock6 < 0)
+		perror("socket[PF_INET6,SOCK_DGRAM]");
+	else
+		ok++;
+#endif /* CONFIG_IPV6 */
+
+	if (ok == 0)
+		return -1;
+
+	radius_change_server(radius, conf->acct_server, NULL,
+			     radius->acct_serv_sock, radius->acct_serv_sock6,
+			     0);
+
+	if (radius->acct_serv_sock >= 0 &&
+	    eloop_register_read_sock(radius->acct_serv_sock,
+				     radius_client_receive, radius,
+				     (void *) RADIUS_ACCT)) {
+		printf("Could not register read socket for accounting "
+		       "server\n");
+		return -1;
+	}
+
+#ifdef CONFIG_IPV6
+	if (radius->acct_serv_sock6 >= 0 &&
+	    eloop_register_read_sock(radius->acct_serv_sock6,
+				     radius_client_receive, radius,
+				     (void *) RADIUS_ACCT)) {
+		printf("Could not register read socket for accounting "
+		       "server\n");
+		return -1;
+	}
+#endif /* CONFIG_IPV6 */
+
+	return 0;
+}
+
+
+/**
+ * radius_client_init - Initialize RADIUS client
+ * @ctx: Callback context to be used in hostapd_logger() calls
+ * @conf: RADIUS client configuration (RADIUS servers)
+ * Returns: Pointer to private RADIUS client context or %NULL on failure
+ *
+ * The caller is responsible for keeping the configuration data available for
+ * the lifetime of the RADIUS client, i.e., until radius_client_deinit() is
+ * called for the returned context pointer.
+ */
+struct radius_client_data *
+radius_client_init(void *ctx, struct hostapd_radius_servers *conf)
+{
+	struct radius_client_data *radius;
+
+	radius = os_zalloc(sizeof(struct radius_client_data));
+	if (radius == NULL)
+		return NULL;
+
+	radius->ctx = ctx;
+	radius->conf = conf;
+	radius->auth_serv_sock = radius->acct_serv_sock =
+		radius->auth_serv_sock6 = radius->acct_serv_sock6 =
+		radius->auth_sock = radius->acct_sock = -1;
+
+	if (conf->auth_server && radius_client_init_auth(radius)) {
+		radius_client_deinit(radius);
+		return NULL;
+	}
+
+	if (conf->acct_server && radius_client_init_acct(radius)) {
+		radius_client_deinit(radius);
+		return NULL;
+	}
+
+	if (conf->retry_primary_interval)
+		eloop_register_timeout(conf->retry_primary_interval, 0,
+				       radius_retry_primary_timer, radius,
+				       NULL);
+
+	return radius;
+}
+
+
+/**
+ * radius_client_deinit - Deinitialize RADIUS client
+ * @radius: RADIUS client context from radius_client_init()
+ */
+void radius_client_deinit(struct radius_client_data *radius)
+{
+	if (!radius)
+		return;
+
+	if (radius->auth_serv_sock >= 0)
+		eloop_unregister_read_sock(radius->auth_serv_sock);
+	if (radius->acct_serv_sock >= 0)
+		eloop_unregister_read_sock(radius->acct_serv_sock);
+#ifdef CONFIG_IPV6
+	if (radius->auth_serv_sock6 >= 0)
+		eloop_unregister_read_sock(radius->auth_serv_sock6);
+	if (radius->acct_serv_sock6 >= 0)
+		eloop_unregister_read_sock(radius->acct_serv_sock6);
+#endif /* CONFIG_IPV6 */
+
+	eloop_cancel_timeout(radius_retry_primary_timer, radius, NULL);
+
+	radius_client_flush(radius, 0);
+	os_free(radius->auth_handlers);
+	os_free(radius->acct_handlers);
+	os_free(radius);
+}
+
+
+/**
+ * radius_client_flush_auth - Flush pending RADIUS messages for an address
+ * @radius: RADIUS client context from radius_client_init()
+ * @addr: MAC address of the related device
+ *
+ * This function can be used to remove pending RADIUS authentication messages
+ * that are related to a specific device. The addr parameter is matched with
+ * the one used in radius_client_send() call that was used to transmit the
+ * authentication request.
+ */
+void radius_client_flush_auth(struct radius_client_data *radius,
+			      const u8 *addr)
+{
+	struct radius_msg_list *entry, *prev, *tmp;
+
+	prev = NULL;
+	entry = radius->msgs;
+	while (entry) {
+		if (entry->msg_type == RADIUS_AUTH &&
+		    os_memcmp(entry->addr, addr, ETH_ALEN) == 0) {
+			hostapd_logger(radius->ctx, addr,
+				       HOSTAPD_MODULE_RADIUS,
+				       HOSTAPD_LEVEL_DEBUG,
+				       "Removing pending RADIUS authentication"
+				       " message for removed client");
+
+			if (prev)
+				prev->next = entry->next;
+			else
+				radius->msgs = entry->next;
+
+			tmp = entry;
+			entry = entry->next;
+			radius_client_msg_free(tmp);
+			radius->num_msgs--;
+			continue;
+		}
+
+		prev = entry;
+		entry = entry->next;
+	}
+}
+
+
+static int radius_client_dump_auth_server(char *buf, size_t buflen,
+					  struct hostapd_radius_server *serv,
+					  struct radius_client_data *cli)
+{
+	int pending = 0;
+	struct radius_msg_list *msg;
+	char abuf[50];
+
+	if (cli) {
+		for (msg = cli->msgs; msg; msg = msg->next) {
+			if (msg->msg_type == RADIUS_AUTH)
+				pending++;
+		}
+	}
+
+	return os_snprintf(buf, buflen,
+			   "radiusAuthServerIndex=%d\n"
+			   "radiusAuthServerAddress=%s\n"
+			   "radiusAuthClientServerPortNumber=%d\n"
+			   "radiusAuthClientRoundTripTime=%d\n"
+			   "radiusAuthClientAccessRequests=%u\n"
+			   "radiusAuthClientAccessRetransmissions=%u\n"
+			   "radiusAuthClientAccessAccepts=%u\n"
+			   "radiusAuthClientAccessRejects=%u\n"
+			   "radiusAuthClientAccessChallenges=%u\n"
+			   "radiusAuthClientMalformedAccessResponses=%u\n"
+			   "radiusAuthClientBadAuthenticators=%u\n"
+			   "radiusAuthClientPendingRequests=%u\n"
+			   "radiusAuthClientTimeouts=%u\n"
+			   "radiusAuthClientUnknownTypes=%u\n"
+			   "radiusAuthClientPacketsDropped=%u\n",
+			   serv->index,
+			   hostapd_ip_txt(&serv->addr, abuf, sizeof(abuf)),
+			   serv->port,
+			   serv->round_trip_time,
+			   serv->requests,
+			   serv->retransmissions,
+			   serv->access_accepts,
+			   serv->access_rejects,
+			   serv->access_challenges,
+			   serv->malformed_responses,
+			   serv->bad_authenticators,
+			   pending,
+			   serv->timeouts,
+			   serv->unknown_types,
+			   serv->packets_dropped);
+}
+
+
+static int radius_client_dump_acct_server(char *buf, size_t buflen,
+					  struct hostapd_radius_server *serv,
+					  struct radius_client_data *cli)
+{
+	int pending = 0;
+	struct radius_msg_list *msg;
+	char abuf[50];
+
+	if (cli) {
+		for (msg = cli->msgs; msg; msg = msg->next) {
+			if (msg->msg_type == RADIUS_ACCT ||
+			    msg->msg_type == RADIUS_ACCT_INTERIM)
+				pending++;
+		}
+	}
+
+	return os_snprintf(buf, buflen,
+			   "radiusAccServerIndex=%d\n"
+			   "radiusAccServerAddress=%s\n"
+			   "radiusAccClientServerPortNumber=%d\n"
+			   "radiusAccClientRoundTripTime=%d\n"
+			   "radiusAccClientRequests=%u\n"
+			   "radiusAccClientRetransmissions=%u\n"
+			   "radiusAccClientResponses=%u\n"
+			   "radiusAccClientMalformedResponses=%u\n"
+			   "radiusAccClientBadAuthenticators=%u\n"
+			   "radiusAccClientPendingRequests=%u\n"
+			   "radiusAccClientTimeouts=%u\n"
+			   "radiusAccClientUnknownTypes=%u\n"
+			   "radiusAccClientPacketsDropped=%u\n",
+			   serv->index,
+			   hostapd_ip_txt(&serv->addr, abuf, sizeof(abuf)),
+			   serv->port,
+			   serv->round_trip_time,
+			   serv->requests,
+			   serv->retransmissions,
+			   serv->responses,
+			   serv->malformed_responses,
+			   serv->bad_authenticators,
+			   pending,
+			   serv->timeouts,
+			   serv->unknown_types,
+			   serv->packets_dropped);
+}
+
+
+/**
+ * radius_client_get_mib - Get RADIUS client MIB information
+ * @radius: RADIUS client context from radius_client_init()
+ * @buf: Buffer for returning MIB data in text format
+ * @buflen: Maximum buf length in octets
+ * Returns: Number of octets written into the buffer
+ */
+int radius_client_get_mib(struct radius_client_data *radius, char *buf,
+			  size_t buflen)
+{
+	struct hostapd_radius_servers *conf = radius->conf;
+	int i;
+	struct hostapd_radius_server *serv;
+	int count = 0;
+
+	if (conf->auth_servers) {
+		for (i = 0; i < conf->num_auth_servers; i++) {
+			serv = &conf->auth_servers[i];
+			count += radius_client_dump_auth_server(
+				buf + count, buflen - count, serv,
+				serv == conf->auth_server ?
+				radius : NULL);
+		}
+	}
+
+	if (conf->acct_servers) {
+		for (i = 0; i < conf->num_acct_servers; i++) {
+			serv = &conf->acct_servers[i];
+			count += radius_client_dump_acct_server(
+				buf + count, buflen - count, serv,
+				serv == conf->acct_server ?
+				radius : NULL);
+		}
+	}
+
+	return count;
+}
+
+
+void radius_client_reconfig(struct radius_client_data *radius,
+			    struct hostapd_radius_servers *conf)
+{
+	if (radius)
+		radius->conf = conf;
+}
diff --git a/src/radius/radius_client.h b/src/radius/radius_client.h
new file mode 100644
index 0000000..18e7290
--- /dev/null
+++ b/src/radius/radius_client.h
@@ -0,0 +1,265 @@
+/*
+ * RADIUS client
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef RADIUS_CLIENT_H
+#define RADIUS_CLIENT_H
+
+#include "ip_addr.h"
+
+struct radius_msg;
+
+/**
+ * struct hostapd_radius_server - RADIUS server information for RADIUS client
+ *
+ * This structure contains information about a RADIUS server. The values are
+ * mainly for MIB information. The MIB variable prefix (radiusAuth or
+ * radiusAcc) depends on whether this is an authentication or accounting
+ * server.
+ *
+ * radiusAuthClientPendingRequests (or radiusAccClientPendingRequests) is the
+ * number struct radius_client_data::msgs for matching msg_type.
+ */
+struct hostapd_radius_server {
+	/**
+	 * addr - radiusAuthServerAddress or radiusAccServerAddress
+	 */
+	struct hostapd_ip_addr addr;
+
+	/**
+	 * port - radiusAuthClientServerPortNumber or radiusAccClientServerPortNumber
+	 */
+	int port;
+
+	/**
+	 * shared_secret - Shared secret for authenticating RADIUS messages
+	 */
+	u8 *shared_secret;
+
+	/**
+	 * shared_secret_len - Length of shared_secret in octets
+	 */
+	size_t shared_secret_len;
+
+	/* Dynamic (not from configuration file) MIB data */
+
+	/**
+	 * index - radiusAuthServerIndex or radiusAccServerIndex
+	 */
+	int index;
+
+	/**
+	 * round_trip_time - radiusAuthClientRoundTripTime or radiusAccClientRoundTripTime
+	 * Round-trip time in hundredths of a second.
+	 */
+	int round_trip_time;
+
+	/**
+	 * requests - radiusAuthClientAccessRequests or radiusAccClientRequests
+	 */
+	u32 requests;
+
+	/**
+	 * retransmissions - radiusAuthClientAccessRetransmissions or radiusAccClientRetransmissions
+	 */
+	u32 retransmissions;
+
+	/**
+	 * access_accepts - radiusAuthClientAccessAccepts
+	 */
+	u32 access_accepts;
+
+	/**
+	 * access_rejects - radiusAuthClientAccessRejects
+	 */
+	u32 access_rejects;
+
+	/**
+	 * access_challenges - radiusAuthClientAccessChallenges
+	 */
+	u32 access_challenges;
+
+	/**
+	 * responses - radiusAccClientResponses
+	 */
+	u32 responses;
+
+	/**
+	 * malformed_responses - radiusAuthClientMalformedAccessResponses or radiusAccClientMalformedResponses
+	 */
+	u32 malformed_responses;
+
+	/**
+	 * bad_authenticators - radiusAuthClientBadAuthenticators or radiusAccClientBadAuthenticators
+	 */
+	u32 bad_authenticators;
+
+	/**
+	 * timeouts - radiusAuthClientTimeouts or radiusAccClientTimeouts
+	 */
+	u32 timeouts;
+
+	/**
+	 * unknown_types - radiusAuthClientUnknownTypes or radiusAccClientUnknownTypes
+	 */
+	u32 unknown_types;
+
+	/**
+	 * packets_dropped - radiusAuthClientPacketsDropped or radiusAccClientPacketsDropped
+	 */
+	u32 packets_dropped;
+};
+
+/**
+ * struct hostapd_radius_servers - RADIUS servers for RADIUS client
+ */
+struct hostapd_radius_servers {
+	/**
+	 * auth_servers - RADIUS Authentication servers in priority order
+	 */
+	struct hostapd_radius_server *auth_servers;
+
+	/**
+	 * num_auth_servers - Number of auth_servers entries
+	 */
+	int num_auth_servers;
+
+	/**
+	 * auth_server - The current Authentication server
+	 */
+	struct hostapd_radius_server *auth_server;
+
+	/**
+	 * acct_servers - RADIUS Accounting servers in priority order
+	 */
+	struct hostapd_radius_server *acct_servers;
+
+	/**
+	 * num_acct_servers - Number of acct_servers entries
+	 */
+	int num_acct_servers;
+
+	/**
+	 * acct_server - The current Accounting server
+	 */
+	struct hostapd_radius_server *acct_server;
+
+	/**
+	 * retry_primary_interval - Retry interval for trying primary server
+	 *
+	 * This specifies a retry interval in sexconds for trying to return to
+	 * the primary RADIUS server. RADIUS client code will automatically try
+	 * to use the next server when the current server is not replying to
+	 * requests. If this interval is set (non-zero), the primary server
+	 * will be retried after the specified number of seconds has passed
+	 * even if the current used secondary server is still working.
+	 */
+	int retry_primary_interval;
+
+	/**
+	 * msg_dumps - Whether RADIUS message details are shown in stdout
+	 */
+	int msg_dumps;
+
+	/**
+	 * client_addr - Client (local) address to use if force_client_addr
+	 */
+	struct hostapd_ip_addr client_addr;
+
+	/**
+	 * force_client_addr - Whether to force client (local) address
+	 */
+	int force_client_addr;
+};
+
+
+/**
+ * RadiusType - RADIUS server type for RADIUS client
+ */
+typedef enum {
+	/**
+	 * RADIUS authentication
+	 */
+	RADIUS_AUTH,
+
+	/**
+	 * RADIUS_ACCT - RADIUS accounting
+	 */
+	RADIUS_ACCT,
+
+	/**
+	 * RADIUS_ACCT_INTERIM - RADIUS interim accounting message
+	 *
+	 * Used only with radius_client_send(). This behaves just like
+	 * RADIUS_ACCT, but removes any pending interim RADIUS Accounting
+	 * messages for the same STA before sending the new interim update.
+	 */
+	RADIUS_ACCT_INTERIM
+} RadiusType;
+
+/**
+ * RadiusRxResult - RADIUS client RX handler result
+ */
+typedef enum {
+	/**
+	 * RADIUS_RX_PROCESSED - Message processed
+	 *
+	 * This stops handler calls and frees the message.
+	 */
+	RADIUS_RX_PROCESSED,
+
+	/**
+	 * RADIUS_RX_QUEUED - Message has been queued
+	 *
+	 * This stops handler calls, but does not free the message; the handler
+	 * that returned this is responsible for eventually freeing the
+	 * message.
+	 */
+	RADIUS_RX_QUEUED,
+
+	/**
+	 * RADIUS_RX_UNKNOWN - Message is not for this handler
+	 */
+	RADIUS_RX_UNKNOWN,
+
+	/**
+	 * RADIUS_RX_INVALID_AUTHENTICATOR - Message has invalid Authenticator
+	 */
+	RADIUS_RX_INVALID_AUTHENTICATOR
+} RadiusRxResult;
+
+struct radius_client_data;
+
+int radius_client_register(struct radius_client_data *radius,
+			   RadiusType msg_type,
+			   RadiusRxResult (*handler)
+			   (struct radius_msg *msg, struct radius_msg *req,
+			    const u8 *shared_secret, size_t shared_secret_len,
+			    void *data),
+			   void *data);
+int radius_client_send(struct radius_client_data *radius,
+		       struct radius_msg *msg,
+		       RadiusType msg_type, const u8 *addr);
+u8 radius_client_get_id(struct radius_client_data *radius);
+void radius_client_flush(struct radius_client_data *radius, int only_auth);
+struct radius_client_data *
+radius_client_init(void *ctx, struct hostapd_radius_servers *conf);
+void radius_client_deinit(struct radius_client_data *radius);
+void radius_client_flush_auth(struct radius_client_data *radius,
+			      const u8 *addr);
+int radius_client_get_mib(struct radius_client_data *radius, char *buf,
+			  size_t buflen);
+void radius_client_reconfig(struct radius_client_data *radius,
+			    struct hostapd_radius_servers *conf);
+
+#endif /* RADIUS_CLIENT_H */
diff --git a/src/radius/radius_server.c b/src/radius/radius_server.c
new file mode 100644
index 0000000..6f1c3a5
--- /dev/null
+++ b/src/radius/radius_server.c
@@ -0,0 +1,1527 @@
+/*
+ * RADIUS authentication server
+ * Copyright (c) 2005-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <net/if.h>
+
+#include "common.h"
+#include "radius.h"
+#include "eloop.h"
+#include "eap_server/eap.h"
+#include "radius_server.h"
+
+/**
+ * RADIUS_SESSION_TIMEOUT - Session timeout in seconds
+ */
+#define RADIUS_SESSION_TIMEOUT 60
+
+/**
+ * RADIUS_MAX_SESSION - Maximum number of active sessions
+ */
+#define RADIUS_MAX_SESSION 100
+
+/**
+ * RADIUS_MAX_MSG_LEN - Maximum message length for incoming RADIUS messages
+ */
+#define RADIUS_MAX_MSG_LEN 3000
+
+static struct eapol_callbacks radius_server_eapol_cb;
+
+struct radius_client;
+struct radius_server_data;
+
+/**
+ * struct radius_server_counters - RADIUS server statistics counters
+ */
+struct radius_server_counters {
+	u32 access_requests;
+	u32 invalid_requests;
+	u32 dup_access_requests;
+	u32 access_accepts;
+	u32 access_rejects;
+	u32 access_challenges;
+	u32 malformed_access_requests;
+	u32 bad_authenticators;
+	u32 packets_dropped;
+	u32 unknown_types;
+};
+
+/**
+ * struct radius_session - Internal RADIUS server data for a session
+ */
+struct radius_session {
+	struct radius_session *next;
+	struct radius_client *client;
+	struct radius_server_data *server;
+	unsigned int sess_id;
+	struct eap_sm *eap;
+	struct eap_eapol_interface *eap_if;
+
+	struct radius_msg *last_msg;
+	char *last_from_addr;
+	int last_from_port;
+	struct sockaddr_storage last_from;
+	socklen_t last_fromlen;
+	u8 last_identifier;
+	struct radius_msg *last_reply;
+	u8 last_authenticator[16];
+};
+
+/**
+ * struct radius_client - Internal RADIUS server data for a client
+ */
+struct radius_client {
+	struct radius_client *next;
+	struct in_addr addr;
+	struct in_addr mask;
+#ifdef CONFIG_IPV6
+	struct in6_addr addr6;
+	struct in6_addr mask6;
+#endif /* CONFIG_IPV6 */
+	char *shared_secret;
+	int shared_secret_len;
+	struct radius_session *sessions;
+	struct radius_server_counters counters;
+};
+
+/**
+ * struct radius_server_data - Internal RADIUS server data
+ */
+struct radius_server_data {
+	/**
+	 * auth_sock - Socket for RADIUS authentication messages
+	 */
+	int auth_sock;
+
+	/**
+	 * clients - List of authorized RADIUS clients
+	 */
+	struct radius_client *clients;
+
+	/**
+	 * next_sess_id - Next session identifier
+	 */
+	unsigned int next_sess_id;
+
+	/**
+	 * conf_ctx - Context pointer for callbacks
+	 *
+	 * This is used as the ctx argument in get_eap_user() calls.
+	 */
+	void *conf_ctx;
+
+	/**
+	 * num_sess - Number of active sessions
+	 */
+	int num_sess;
+
+	/**
+	 * eap_sim_db_priv - EAP-SIM/AKA database context
+	 *
+	 * This is passed to the EAP-SIM/AKA server implementation as a
+	 * callback context.
+	 */
+	void *eap_sim_db_priv;
+
+	/**
+	 * ssl_ctx - TLS context
+	 *
+	 * This is passed to the EAP server implementation as a callback
+	 * context for TLS operations.
+	 */
+	void *ssl_ctx;
+
+	/**
+	 * pac_opaque_encr_key - PAC-Opaque encryption key for EAP-FAST
+	 *
+	 * This parameter is used to set a key for EAP-FAST to encrypt the
+	 * PAC-Opaque data. It can be set to %NULL if EAP-FAST is not used. If
+	 * set, must point to a 16-octet key.
+	 */
+	u8 *pac_opaque_encr_key;
+
+	/**
+	 * eap_fast_a_id - EAP-FAST authority identity (A-ID)
+	 *
+	 * If EAP-FAST is not used, this can be set to %NULL. In theory, this
+	 * is a variable length field, but due to some existing implementations
+	 * requiring A-ID to be 16 octets in length, it is recommended to use
+	 * that length for the field to provide interoperability with deployed
+	 * peer implementations.
+	 */
+	u8 *eap_fast_a_id;
+
+	/**
+	 * eap_fast_a_id_len - Length of eap_fast_a_id buffer in octets
+	 */
+	size_t eap_fast_a_id_len;
+
+	/**
+	 * eap_fast_a_id_info - EAP-FAST authority identifier information
+	 *
+	 * This A-ID-Info contains a user-friendly name for the A-ID. For
+	 * example, this could be the enterprise and server names in
+	 * human-readable format. This field is encoded as UTF-8. If EAP-FAST
+	 * is not used, this can be set to %NULL.
+	 */
+	char *eap_fast_a_id_info;
+
+	/**
+	 * eap_fast_prov - EAP-FAST provisioning modes
+	 *
+	 * 0 = provisioning disabled, 1 = only anonymous provisioning allowed,
+	 * 2 = only authenticated provisioning allowed, 3 = both provisioning
+	 * modes allowed.
+	 */
+	int eap_fast_prov;
+
+	/**
+	 * pac_key_lifetime - EAP-FAST PAC-Key lifetime in seconds
+	 *
+	 * This is the hard limit on how long a provisioned PAC-Key can be
+	 * used.
+	 */
+	int pac_key_lifetime;
+
+	/**
+	 * pac_key_refresh_time - EAP-FAST PAC-Key refresh time in seconds
+	 *
+	 * This is a soft limit on the PAC-Key. The server will automatically
+	 * generate a new PAC-Key when this number of seconds (or fewer) of the
+	 * lifetime remains.
+	 */
+	int pac_key_refresh_time;
+
+	/**
+	 * eap_sim_aka_result_ind - EAP-SIM/AKA protected success indication
+	 *
+	 * This controls whether the protected success/failure indication
+	 * (AT_RESULT_IND) is used with EAP-SIM and EAP-AKA.
+	 */
+	int eap_sim_aka_result_ind;
+
+	/**
+	 * tnc - Trusted Network Connect (TNC)
+	 *
+	 * This controls whether TNC is enabled and will be required before the
+	 * peer is allowed to connect. Note: This is only used with EAP-TTLS
+	 * and EAP-FAST. If any other EAP method is enabled, the peer will be
+	 * allowed to connect without TNC.
+	 */
+	int tnc;
+
+	/**
+	 * pwd_group - The D-H group assigned for EAP-pwd
+	 *
+	 * If EAP-pwd is not used it can be set to zero.
+	 */
+	u16 pwd_group;
+
+	/**
+	 * wps - Wi-Fi Protected Setup context
+	 *
+	 * If WPS is used with an external RADIUS server (which is quite
+	 * unlikely configuration), this is used to provide a pointer to WPS
+	 * context data. Normally, this can be set to %NULL.
+	 */
+	struct wps_context *wps;
+
+	/**
+	 * ipv6 - Whether to enable IPv6 support in the RADIUS server
+	 */
+	int ipv6;
+
+	/**
+	 * start_time - Timestamp of server start
+	 */
+	struct os_time start_time;
+
+	/**
+	 * counters - Statistics counters for server operations
+	 *
+	 * These counters are the sum over all clients.
+	 */
+	struct radius_server_counters counters;
+
+	/**
+	 * get_eap_user - Callback for fetching EAP user information
+	 * @ctx: Context data from conf_ctx
+	 * @identity: User identity
+	 * @identity_len: identity buffer length in octets
+	 * @phase2: Whether this is for Phase 2 identity
+	 * @user: Data structure for filling in the user information
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This is used to fetch information from user database. The callback
+	 * will fill in information about allowed EAP methods and the user
+	 * password. The password field will be an allocated copy of the
+	 * password data and RADIUS server will free it after use.
+	 */
+	int (*get_eap_user)(void *ctx, const u8 *identity, size_t identity_len,
+			    int phase2, struct eap_user *user);
+
+	/**
+	 * eap_req_id_text - Optional data for EAP-Request/Identity
+	 *
+	 * This can be used to configure an optional, displayable message that
+	 * will be sent in EAP-Request/Identity. This string can contain an
+	 * ASCII-0 character (nul) to separate network infromation per RFC
+	 * 4284. The actual string length is explicit provided in
+	 * eap_req_id_text_len since nul character will not be used as a string
+	 * terminator.
+	 */
+	char *eap_req_id_text;
+
+	/**
+	 * eap_req_id_text_len - Length of eap_req_id_text buffer in octets
+	 */
+	size_t eap_req_id_text_len;
+
+	/*
+	 * msg_ctx - Context data for wpa_msg() calls
+	 */
+	void *msg_ctx;
+};
+
+
+extern int wpa_debug_level;
+
+#define RADIUS_DEBUG(args...) \
+wpa_printf(MSG_DEBUG, "RADIUS SRV: " args)
+#define RADIUS_ERROR(args...) \
+wpa_printf(MSG_ERROR, "RADIUS SRV: " args)
+#define RADIUS_DUMP(args...) \
+wpa_hexdump(MSG_MSGDUMP, "RADIUS SRV: " args)
+#define RADIUS_DUMP_ASCII(args...) \
+wpa_hexdump_ascii(MSG_MSGDUMP, "RADIUS SRV: " args)
+
+
+static void radius_server_session_timeout(void *eloop_ctx, void *timeout_ctx);
+static void radius_server_session_remove_timeout(void *eloop_ctx,
+						 void *timeout_ctx);
+
+
+static struct radius_client *
+radius_server_get_client(struct radius_server_data *data, struct in_addr *addr,
+			 int ipv6)
+{
+	struct radius_client *client = data->clients;
+
+	while (client) {
+#ifdef CONFIG_IPV6
+		if (ipv6) {
+			struct in6_addr *addr6;
+			int i;
+
+			addr6 = (struct in6_addr *) addr;
+			for (i = 0; i < 16; i++) {
+				if ((addr6->s6_addr[i] &
+				     client->mask6.s6_addr[i]) !=
+				    (client->addr6.s6_addr[i] &
+				     client->mask6.s6_addr[i])) {
+					i = 17;
+					break;
+				}
+			}
+			if (i == 16) {
+				break;
+			}
+		}
+#endif /* CONFIG_IPV6 */
+		if (!ipv6 && (client->addr.s_addr & client->mask.s_addr) ==
+		    (addr->s_addr & client->mask.s_addr)) {
+			break;
+		}
+
+		client = client->next;
+	}
+
+	return client;
+}
+
+
+static struct radius_session *
+radius_server_get_session(struct radius_client *client, unsigned int sess_id)
+{
+	struct radius_session *sess = client->sessions;
+
+	while (sess) {
+		if (sess->sess_id == sess_id) {
+			break;
+		}
+		sess = sess->next;
+	}
+
+	return sess;
+}
+
+
+static void radius_server_session_free(struct radius_server_data *data,
+				       struct radius_session *sess)
+{
+	eloop_cancel_timeout(radius_server_session_timeout, data, sess);
+	eloop_cancel_timeout(radius_server_session_remove_timeout, data, sess);
+	eap_server_sm_deinit(sess->eap);
+	radius_msg_free(sess->last_msg);
+	os_free(sess->last_from_addr);
+	radius_msg_free(sess->last_reply);
+	os_free(sess);
+	data->num_sess--;
+}
+
+
+static void radius_server_session_remove(struct radius_server_data *data,
+					 struct radius_session *sess)
+{
+	struct radius_client *client = sess->client;
+	struct radius_session *session, *prev;
+
+	eloop_cancel_timeout(radius_server_session_remove_timeout, data, sess);
+
+	prev = NULL;
+	session = client->sessions;
+	while (session) {
+		if (session == sess) {
+			if (prev == NULL) {
+				client->sessions = sess->next;
+			} else {
+				prev->next = sess->next;
+			}
+			radius_server_session_free(data, sess);
+			break;
+		}
+		prev = session;
+		session = session->next;
+	}
+}
+
+
+static void radius_server_session_remove_timeout(void *eloop_ctx,
+						 void *timeout_ctx)
+{
+	struct radius_server_data *data = eloop_ctx;
+	struct radius_session *sess = timeout_ctx;
+	RADIUS_DEBUG("Removing completed session 0x%x", sess->sess_id);
+	radius_server_session_remove(data, sess);
+}
+
+
+static void radius_server_session_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct radius_server_data *data = eloop_ctx;
+	struct radius_session *sess = timeout_ctx;
+
+	RADIUS_DEBUG("Timing out authentication session 0x%x", sess->sess_id);
+	radius_server_session_remove(data, sess);
+}
+
+
+static struct radius_session *
+radius_server_new_session(struct radius_server_data *data,
+			  struct radius_client *client)
+{
+	struct radius_session *sess;
+
+	if (data->num_sess >= RADIUS_MAX_SESSION) {
+		RADIUS_DEBUG("Maximum number of existing session - no room "
+			     "for a new session");
+		return NULL;
+	}
+
+	sess = os_zalloc(sizeof(*sess));
+	if (sess == NULL)
+		return NULL;
+
+	sess->server = data;
+	sess->client = client;
+	sess->sess_id = data->next_sess_id++;
+	sess->next = client->sessions;
+	client->sessions = sess;
+	eloop_register_timeout(RADIUS_SESSION_TIMEOUT, 0,
+			       radius_server_session_timeout, data, sess);
+	data->num_sess++;
+	return sess;
+}
+
+
+static struct radius_session *
+radius_server_get_new_session(struct radius_server_data *data,
+			      struct radius_client *client,
+			      struct radius_msg *msg)
+{
+	u8 *user;
+	size_t user_len;
+	int res;
+	struct radius_session *sess;
+	struct eap_config eap_conf;
+
+	RADIUS_DEBUG("Creating a new session");
+
+	user = os_malloc(256);
+	if (user == NULL) {
+		return NULL;
+	}
+	res = radius_msg_get_attr(msg, RADIUS_ATTR_USER_NAME, user, 256);
+	if (res < 0 || res > 256) {
+		RADIUS_DEBUG("Could not get User-Name");
+		os_free(user);
+		return NULL;
+	}
+	user_len = res;
+	RADIUS_DUMP_ASCII("User-Name", user, user_len);
+
+	res = data->get_eap_user(data->conf_ctx, user, user_len, 0, NULL);
+	os_free(user);
+
+	if (res == 0) {
+		RADIUS_DEBUG("Matching user entry found");
+		sess = radius_server_new_session(data, client);
+		if (sess == NULL) {
+			RADIUS_DEBUG("Failed to create a new session");
+			return NULL;
+		}
+	} else {
+		RADIUS_DEBUG("User-Name not found from user database");
+		return NULL;
+	}
+
+	os_memset(&eap_conf, 0, sizeof(eap_conf));
+	eap_conf.ssl_ctx = data->ssl_ctx;
+	eap_conf.msg_ctx = data->msg_ctx;
+	eap_conf.eap_sim_db_priv = data->eap_sim_db_priv;
+	eap_conf.backend_auth = TRUE;
+	eap_conf.eap_server = 1;
+	eap_conf.pac_opaque_encr_key = data->pac_opaque_encr_key;
+	eap_conf.eap_fast_a_id = data->eap_fast_a_id;
+	eap_conf.eap_fast_a_id_len = data->eap_fast_a_id_len;
+	eap_conf.eap_fast_a_id_info = data->eap_fast_a_id_info;
+	eap_conf.eap_fast_prov = data->eap_fast_prov;
+	eap_conf.pac_key_lifetime = data->pac_key_lifetime;
+	eap_conf.pac_key_refresh_time = data->pac_key_refresh_time;
+	eap_conf.eap_sim_aka_result_ind = data->eap_sim_aka_result_ind;
+	eap_conf.tnc = data->tnc;
+	eap_conf.wps = data->wps;
+	eap_conf.pwd_group = data->pwd_group;
+	sess->eap = eap_server_sm_init(sess, &radius_server_eapol_cb,
+				       &eap_conf);
+	if (sess->eap == NULL) {
+		RADIUS_DEBUG("Failed to initialize EAP state machine for the "
+			     "new session");
+		radius_server_session_free(data, sess);
+		return NULL;
+	}
+	sess->eap_if = eap_get_interface(sess->eap);
+	sess->eap_if->eapRestart = TRUE;
+	sess->eap_if->portEnabled = TRUE;
+
+	RADIUS_DEBUG("New session 0x%x initialized", sess->sess_id);
+
+	return sess;
+}
+
+
+static struct radius_msg *
+radius_server_encapsulate_eap(struct radius_server_data *data,
+			      struct radius_client *client,
+			      struct radius_session *sess,
+			      struct radius_msg *request)
+{
+	struct radius_msg *msg;
+	int code;
+	unsigned int sess_id;
+	struct radius_hdr *hdr = radius_msg_get_hdr(request);
+
+	if (sess->eap_if->eapFail) {
+		sess->eap_if->eapFail = FALSE;
+		code = RADIUS_CODE_ACCESS_REJECT;
+	} else if (sess->eap_if->eapSuccess) {
+		sess->eap_if->eapSuccess = FALSE;
+		code = RADIUS_CODE_ACCESS_ACCEPT;
+	} else {
+		sess->eap_if->eapReq = FALSE;
+		code = RADIUS_CODE_ACCESS_CHALLENGE;
+	}
+
+	msg = radius_msg_new(code, hdr->identifier);
+	if (msg == NULL) {
+		RADIUS_DEBUG("Failed to allocate reply message");
+		return NULL;
+	}
+
+	sess_id = htonl(sess->sess_id);
+	if (code == RADIUS_CODE_ACCESS_CHALLENGE &&
+	    !radius_msg_add_attr(msg, RADIUS_ATTR_STATE,
+				 (u8 *) &sess_id, sizeof(sess_id))) {
+		RADIUS_DEBUG("Failed to add State attribute");
+	}
+
+	if (sess->eap_if->eapReqData &&
+	    !radius_msg_add_eap(msg, wpabuf_head(sess->eap_if->eapReqData),
+				wpabuf_len(sess->eap_if->eapReqData))) {
+		RADIUS_DEBUG("Failed to add EAP-Message attribute");
+	}
+
+	if (code == RADIUS_CODE_ACCESS_ACCEPT && sess->eap_if->eapKeyData) {
+		int len;
+		if (sess->eap_if->eapKeyDataLen > 64) {
+			len = 32;
+		} else {
+			len = sess->eap_if->eapKeyDataLen / 2;
+		}
+		if (!radius_msg_add_mppe_keys(msg, hdr->authenticator,
+					      (u8 *) client->shared_secret,
+					      client->shared_secret_len,
+					      sess->eap_if->eapKeyData + len,
+					      len, sess->eap_if->eapKeyData,
+					      len)) {
+			RADIUS_DEBUG("Failed to add MPPE key attributes");
+		}
+	}
+
+	if (radius_msg_copy_attr(msg, request, RADIUS_ATTR_PROXY_STATE) < 0) {
+		RADIUS_DEBUG("Failed to copy Proxy-State attribute(s)");
+		radius_msg_free(msg);
+		return NULL;
+	}
+
+	if (radius_msg_finish_srv(msg, (u8 *) client->shared_secret,
+				  client->shared_secret_len,
+				  hdr->authenticator) < 0) {
+		RADIUS_DEBUG("Failed to add Message-Authenticator attribute");
+	}
+
+	return msg;
+}
+
+
+static int radius_server_reject(struct radius_server_data *data,
+				struct radius_client *client,
+				struct radius_msg *request,
+				struct sockaddr *from, socklen_t fromlen,
+				const char *from_addr, int from_port)
+{
+	struct radius_msg *msg;
+	int ret = 0;
+	struct eap_hdr eapfail;
+	struct wpabuf *buf;
+	struct radius_hdr *hdr = radius_msg_get_hdr(request);
+
+	RADIUS_DEBUG("Reject invalid request from %s:%d",
+		     from_addr, from_port);
+
+	msg = radius_msg_new(RADIUS_CODE_ACCESS_REJECT, hdr->identifier);
+	if (msg == NULL) {
+		return -1;
+	}
+
+	os_memset(&eapfail, 0, sizeof(eapfail));
+	eapfail.code = EAP_CODE_FAILURE;
+	eapfail.identifier = 0;
+	eapfail.length = host_to_be16(sizeof(eapfail));
+
+	if (!radius_msg_add_eap(msg, (u8 *) &eapfail, sizeof(eapfail))) {
+		RADIUS_DEBUG("Failed to add EAP-Message attribute");
+	}
+
+	if (radius_msg_copy_attr(msg, request, RADIUS_ATTR_PROXY_STATE) < 0) {
+		RADIUS_DEBUG("Failed to copy Proxy-State attribute(s)");
+		radius_msg_free(msg);
+		return -1;
+	}
+
+	if (radius_msg_finish_srv(msg, (u8 *) client->shared_secret,
+				  client->shared_secret_len,
+				  hdr->authenticator) <
+	    0) {
+		RADIUS_DEBUG("Failed to add Message-Authenticator attribute");
+	}
+
+	if (wpa_debug_level <= MSG_MSGDUMP) {
+		radius_msg_dump(msg);
+	}
+
+	data->counters.access_rejects++;
+	client->counters.access_rejects++;
+	buf = radius_msg_get_buf(msg);
+	if (sendto(data->auth_sock, wpabuf_head(buf), wpabuf_len(buf), 0,
+		   (struct sockaddr *) from, sizeof(*from)) < 0) {
+		perror("sendto[RADIUS SRV]");
+		ret = -1;
+	}
+
+	radius_msg_free(msg);
+
+	return ret;
+}
+
+
+static int radius_server_request(struct radius_server_data *data,
+				 struct radius_msg *msg,
+				 struct sockaddr *from, socklen_t fromlen,
+				 struct radius_client *client,
+				 const char *from_addr, int from_port,
+				 struct radius_session *force_sess)
+{
+	u8 *eap = NULL;
+	size_t eap_len;
+	int res, state_included = 0;
+	u8 statebuf[4];
+	unsigned int state;
+	struct radius_session *sess;
+	struct radius_msg *reply;
+	int is_complete = 0;
+
+	if (force_sess)
+		sess = force_sess;
+	else {
+		res = radius_msg_get_attr(msg, RADIUS_ATTR_STATE, statebuf,
+					  sizeof(statebuf));
+		state_included = res >= 0;
+		if (res == sizeof(statebuf)) {
+			state = WPA_GET_BE32(statebuf);
+			sess = radius_server_get_session(client, state);
+		} else {
+			sess = NULL;
+		}
+	}
+
+	if (sess) {
+		RADIUS_DEBUG("Request for session 0x%x", sess->sess_id);
+	} else if (state_included) {
+		RADIUS_DEBUG("State attribute included but no session found");
+		radius_server_reject(data, client, msg, from, fromlen,
+				     from_addr, from_port);
+		return -1;
+	} else {
+		sess = radius_server_get_new_session(data, client, msg);
+		if (sess == NULL) {
+			RADIUS_DEBUG("Could not create a new session");
+			radius_server_reject(data, client, msg, from, fromlen,
+					     from_addr, from_port);
+			return -1;
+		}
+	}
+
+	if (sess->last_from_port == from_port &&
+	    sess->last_identifier == radius_msg_get_hdr(msg)->identifier &&
+	    os_memcmp(sess->last_authenticator,
+		      radius_msg_get_hdr(msg)->authenticator, 16) == 0) {
+		RADIUS_DEBUG("Duplicate message from %s", from_addr);
+		data->counters.dup_access_requests++;
+		client->counters.dup_access_requests++;
+
+		if (sess->last_reply) {
+			struct wpabuf *buf;
+			buf = radius_msg_get_buf(sess->last_reply);
+			res = sendto(data->auth_sock, wpabuf_head(buf),
+				     wpabuf_len(buf), 0,
+				     (struct sockaddr *) from, fromlen);
+			if (res < 0) {
+				perror("sendto[RADIUS SRV]");
+			}
+			return 0;
+		}
+
+		RADIUS_DEBUG("No previous reply available for duplicate "
+			     "message");
+		return -1;
+	}
+		      
+	eap = radius_msg_get_eap(msg, &eap_len);
+	if (eap == NULL) {
+		RADIUS_DEBUG("No EAP-Message in RADIUS packet from %s",
+			     from_addr);
+		data->counters.packets_dropped++;
+		client->counters.packets_dropped++;
+		return -1;
+	}
+
+	RADIUS_DUMP("Received EAP data", eap, eap_len);
+
+	/* FIX: if Code is Request, Success, or Failure, send Access-Reject;
+	 * RFC3579 Sect. 2.6.2.
+	 * Include EAP-Response/Nak with no preferred method if
+	 * code == request.
+	 * If code is not 1-4, discard the packet silently.
+	 * Or is this already done by the EAP state machine? */
+
+	wpabuf_free(sess->eap_if->eapRespData);
+	sess->eap_if->eapRespData = wpabuf_alloc_ext_data(eap, eap_len);
+	if (sess->eap_if->eapRespData == NULL)
+		os_free(eap);
+	eap = NULL;
+	sess->eap_if->eapResp = TRUE;
+	eap_server_sm_step(sess->eap);
+
+	if ((sess->eap_if->eapReq || sess->eap_if->eapSuccess ||
+	     sess->eap_if->eapFail) && sess->eap_if->eapReqData) {
+		RADIUS_DUMP("EAP data from the state machine",
+			    wpabuf_head(sess->eap_if->eapReqData),
+			    wpabuf_len(sess->eap_if->eapReqData));
+	} else if (sess->eap_if->eapFail) {
+		RADIUS_DEBUG("No EAP data from the state machine, but eapFail "
+			     "set");
+	} else if (eap_sm_method_pending(sess->eap)) {
+		radius_msg_free(sess->last_msg);
+		sess->last_msg = msg;
+		sess->last_from_port = from_port;
+		os_free(sess->last_from_addr);
+		sess->last_from_addr = os_strdup(from_addr);
+		sess->last_fromlen = fromlen;
+		os_memcpy(&sess->last_from, from, fromlen);
+		return -2;
+	} else {
+		RADIUS_DEBUG("No EAP data from the state machine - ignore this"
+			     " Access-Request silently (assuming it was a "
+			     "duplicate)");
+		data->counters.packets_dropped++;
+		client->counters.packets_dropped++;
+		return -1;
+	}
+
+	if (sess->eap_if->eapSuccess || sess->eap_if->eapFail)
+		is_complete = 1;
+
+	reply = radius_server_encapsulate_eap(data, client, sess, msg);
+
+	if (reply) {
+		struct wpabuf *buf;
+		struct radius_hdr *hdr;
+
+		RADIUS_DEBUG("Reply to %s:%d", from_addr, from_port);
+		if (wpa_debug_level <= MSG_MSGDUMP) {
+			radius_msg_dump(reply);
+		}
+
+		switch (radius_msg_get_hdr(reply)->code) {
+		case RADIUS_CODE_ACCESS_ACCEPT:
+			data->counters.access_accepts++;
+			client->counters.access_accepts++;
+			break;
+		case RADIUS_CODE_ACCESS_REJECT:
+			data->counters.access_rejects++;
+			client->counters.access_rejects++;
+			break;
+		case RADIUS_CODE_ACCESS_CHALLENGE:
+			data->counters.access_challenges++;
+			client->counters.access_challenges++;
+			break;
+		}
+		buf = radius_msg_get_buf(reply);
+		res = sendto(data->auth_sock, wpabuf_head(buf),
+			     wpabuf_len(buf), 0,
+			     (struct sockaddr *) from, fromlen);
+		if (res < 0) {
+			perror("sendto[RADIUS SRV]");
+		}
+		radius_msg_free(sess->last_reply);
+		sess->last_reply = reply;
+		sess->last_from_port = from_port;
+		hdr = radius_msg_get_hdr(msg);
+		sess->last_identifier = hdr->identifier;
+		os_memcpy(sess->last_authenticator, hdr->authenticator, 16);
+	} else {
+		data->counters.packets_dropped++;
+		client->counters.packets_dropped++;
+	}
+
+	if (is_complete) {
+		RADIUS_DEBUG("Removing completed session 0x%x after timeout",
+			     sess->sess_id);
+		eloop_cancel_timeout(radius_server_session_remove_timeout,
+				     data, sess);
+		eloop_register_timeout(10, 0,
+				       radius_server_session_remove_timeout,
+				       data, sess);
+	}
+
+	return 0;
+}
+
+
+static void radius_server_receive_auth(int sock, void *eloop_ctx,
+				       void *sock_ctx)
+{
+	struct radius_server_data *data = eloop_ctx;
+	u8 *buf = NULL;
+	union {
+		struct sockaddr_storage ss;
+		struct sockaddr_in sin;
+#ifdef CONFIG_IPV6
+		struct sockaddr_in6 sin6;
+#endif /* CONFIG_IPV6 */
+	} from;
+	socklen_t fromlen;
+	int len;
+	struct radius_client *client = NULL;
+	struct radius_msg *msg = NULL;
+	char abuf[50];
+	int from_port = 0;
+
+	buf = os_malloc(RADIUS_MAX_MSG_LEN);
+	if (buf == NULL) {
+		goto fail;
+	}
+
+	fromlen = sizeof(from);
+	len = recvfrom(sock, buf, RADIUS_MAX_MSG_LEN, 0,
+		       (struct sockaddr *) &from.ss, &fromlen);
+	if (len < 0) {
+		perror("recvfrom[radius_server]");
+		goto fail;
+	}
+
+#ifdef CONFIG_IPV6
+	if (data->ipv6) {
+		if (inet_ntop(AF_INET6, &from.sin6.sin6_addr, abuf,
+			      sizeof(abuf)) == NULL)
+			abuf[0] = '\0';
+		from_port = ntohs(from.sin6.sin6_port);
+		RADIUS_DEBUG("Received %d bytes from %s:%d",
+			     len, abuf, from_port);
+
+		client = radius_server_get_client(data,
+						  (struct in_addr *)
+						  &from.sin6.sin6_addr, 1);
+	}
+#endif /* CONFIG_IPV6 */
+
+	if (!data->ipv6) {
+		os_strlcpy(abuf, inet_ntoa(from.sin.sin_addr), sizeof(abuf));
+		from_port = ntohs(from.sin.sin_port);
+		RADIUS_DEBUG("Received %d bytes from %s:%d",
+			     len, abuf, from_port);
+
+		client = radius_server_get_client(data, &from.sin.sin_addr, 0);
+	}
+
+	RADIUS_DUMP("Received data", buf, len);
+
+	if (client == NULL) {
+		RADIUS_DEBUG("Unknown client %s - packet ignored", abuf);
+		data->counters.invalid_requests++;
+		goto fail;
+	}
+
+	msg = radius_msg_parse(buf, len);
+	if (msg == NULL) {
+		RADIUS_DEBUG("Parsing incoming RADIUS frame failed");
+		data->counters.malformed_access_requests++;
+		client->counters.malformed_access_requests++;
+		goto fail;
+	}
+
+	os_free(buf);
+	buf = NULL;
+
+	if (wpa_debug_level <= MSG_MSGDUMP) {
+		radius_msg_dump(msg);
+	}
+
+	if (radius_msg_get_hdr(msg)->code != RADIUS_CODE_ACCESS_REQUEST) {
+		RADIUS_DEBUG("Unexpected RADIUS code %d",
+			     radius_msg_get_hdr(msg)->code);
+		data->counters.unknown_types++;
+		client->counters.unknown_types++;
+		goto fail;
+	}
+
+	data->counters.access_requests++;
+	client->counters.access_requests++;
+
+	if (radius_msg_verify_msg_auth(msg, (u8 *) client->shared_secret,
+				       client->shared_secret_len, NULL)) {
+		RADIUS_DEBUG("Invalid Message-Authenticator from %s", abuf);
+		data->counters.bad_authenticators++;
+		client->counters.bad_authenticators++;
+		goto fail;
+	}
+
+	if (radius_server_request(data, msg, (struct sockaddr *) &from,
+				  fromlen, client, abuf, from_port, NULL) ==
+	    -2)
+		return; /* msg was stored with the session */
+
+fail:
+	radius_msg_free(msg);
+	os_free(buf);
+}
+
+
+static int radius_server_disable_pmtu_discovery(int s)
+{
+	int r = -1;
+#if defined(IP_MTU_DISCOVER) && defined(IP_PMTUDISC_DONT)
+	/* Turn off Path MTU discovery on IPv4/UDP sockets. */
+	int action = IP_PMTUDISC_DONT;
+	r = setsockopt(s, IPPROTO_IP, IP_MTU_DISCOVER, &action,
+		       sizeof(action));
+	if (r == -1)
+		wpa_printf(MSG_ERROR, "Failed to set IP_MTU_DISCOVER: "
+			   "%s", strerror(errno));
+#endif
+	return r;
+}
+
+
+static int radius_server_open_socket(int port)
+{
+	int s;
+	struct sockaddr_in addr;
+
+	s = socket(PF_INET, SOCK_DGRAM, 0);
+	if (s < 0) {
+		perror("socket");
+		return -1;
+	}
+
+	radius_server_disable_pmtu_discovery(s);
+
+	os_memset(&addr, 0, sizeof(addr));
+	addr.sin_family = AF_INET;
+	addr.sin_port = htons(port);
+	if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+		perror("bind");
+		close(s);
+		return -1;
+	}
+
+	return s;
+}
+
+
+#ifdef CONFIG_IPV6
+static int radius_server_open_socket6(int port)
+{
+	int s;
+	struct sockaddr_in6 addr;
+
+	s = socket(PF_INET6, SOCK_DGRAM, 0);
+	if (s < 0) {
+		perror("socket[IPv6]");
+		return -1;
+	}
+
+	os_memset(&addr, 0, sizeof(addr));
+	addr.sin6_family = AF_INET6;
+	os_memcpy(&addr.sin6_addr, &in6addr_any, sizeof(in6addr_any));
+	addr.sin6_port = htons(port);
+	if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+		perror("bind");
+		close(s);
+		return -1;
+	}
+
+	return s;
+}
+#endif /* CONFIG_IPV6 */
+
+
+static void radius_server_free_sessions(struct radius_server_data *data,
+					struct radius_session *sessions)
+{
+	struct radius_session *session, *prev;
+
+	session = sessions;
+	while (session) {
+		prev = session;
+		session = session->next;
+		radius_server_session_free(data, prev);
+	}
+}
+
+
+static void radius_server_free_clients(struct radius_server_data *data,
+				       struct radius_client *clients)
+{
+	struct radius_client *client, *prev;
+
+	client = clients;
+	while (client) {
+		prev = client;
+		client = client->next;
+
+		radius_server_free_sessions(data, prev->sessions);
+		os_free(prev->shared_secret);
+		os_free(prev);
+	}
+}
+
+
+static struct radius_client *
+radius_server_read_clients(const char *client_file, int ipv6)
+{
+	FILE *f;
+	const int buf_size = 1024;
+	char *buf, *pos;
+	struct radius_client *clients, *tail, *entry;
+	int line = 0, mask, failed = 0, i;
+	struct in_addr addr;
+#ifdef CONFIG_IPV6
+	struct in6_addr addr6;
+#endif /* CONFIG_IPV6 */
+	unsigned int val;
+
+	f = fopen(client_file, "r");
+	if (f == NULL) {
+		RADIUS_ERROR("Could not open client file '%s'", client_file);
+		return NULL;
+	}
+
+	buf = os_malloc(buf_size);
+	if (buf == NULL) {
+		fclose(f);
+		return NULL;
+	}
+
+	clients = tail = NULL;
+	while (fgets(buf, buf_size, f)) {
+		/* Configuration file format:
+		 * 192.168.1.0/24 secret
+		 * 192.168.1.2 secret
+		 * fe80::211:22ff:fe33:4455/64 secretipv6
+		 */
+		line++;
+		buf[buf_size - 1] = '\0';
+		pos = buf;
+		while (*pos != '\0' && *pos != '\n')
+			pos++;
+		if (*pos == '\n')
+			*pos = '\0';
+		if (*buf == '\0' || *buf == '#')
+			continue;
+
+		pos = buf;
+		while ((*pos >= '0' && *pos <= '9') || *pos == '.' ||
+		       (*pos >= 'a' && *pos <= 'f') || *pos == ':' ||
+		       (*pos >= 'A' && *pos <= 'F')) {
+			pos++;
+		}
+
+		if (*pos == '\0') {
+			failed = 1;
+			break;
+		}
+
+		if (*pos == '/') {
+			char *end;
+			*pos++ = '\0';
+			mask = strtol(pos, &end, 10);
+			if ((pos == end) ||
+			    (mask < 0 || mask > (ipv6 ? 128 : 32))) {
+				failed = 1;
+				break;
+			}
+			pos = end;
+		} else {
+			mask = ipv6 ? 128 : 32;
+			*pos++ = '\0';
+		}
+
+		if (!ipv6 && inet_aton(buf, &addr) == 0) {
+			failed = 1;
+			break;
+		}
+#ifdef CONFIG_IPV6
+		if (ipv6 && inet_pton(AF_INET6, buf, &addr6) <= 0) {
+			if (inet_pton(AF_INET, buf, &addr) <= 0) {
+				failed = 1;
+				break;
+			}
+			/* Convert IPv4 address to IPv6 */
+			if (mask <= 32)
+				mask += (128 - 32);
+			os_memset(addr6.s6_addr, 0, 10);
+			addr6.s6_addr[10] = 0xff;
+			addr6.s6_addr[11] = 0xff;
+			os_memcpy(addr6.s6_addr + 12, (char *) &addr.s_addr,
+				  4);
+		}
+#endif /* CONFIG_IPV6 */
+
+		while (*pos == ' ' || *pos == '\t') {
+			pos++;
+		}
+
+		if (*pos == '\0') {
+			failed = 1;
+			break;
+		}
+
+		entry = os_zalloc(sizeof(*entry));
+		if (entry == NULL) {
+			failed = 1;
+			break;
+		}
+		entry->shared_secret = os_strdup(pos);
+		if (entry->shared_secret == NULL) {
+			failed = 1;
+			os_free(entry);
+			break;
+		}
+		entry->shared_secret_len = os_strlen(entry->shared_secret);
+		entry->addr.s_addr = addr.s_addr;
+		if (!ipv6) {
+			val = 0;
+			for (i = 0; i < mask; i++)
+				val |= 1 << (31 - i);
+			entry->mask.s_addr = htonl(val);
+		}
+#ifdef CONFIG_IPV6
+		if (ipv6) {
+			int offset = mask / 8;
+
+			os_memcpy(entry->addr6.s6_addr, addr6.s6_addr, 16);
+			os_memset(entry->mask6.s6_addr, 0xff, offset);
+			val = 0;
+			for (i = 0; i < (mask % 8); i++)
+				val |= 1 << (7 - i);
+			if (offset < 16)
+				entry->mask6.s6_addr[offset] = val;
+		}
+#endif /* CONFIG_IPV6 */
+
+		if (tail == NULL) {
+			clients = tail = entry;
+		} else {
+			tail->next = entry;
+			tail = entry;
+		}
+	}
+
+	if (failed) {
+		RADIUS_ERROR("Invalid line %d in '%s'", line, client_file);
+		radius_server_free_clients(NULL, clients);
+		clients = NULL;
+	}
+
+	os_free(buf);
+	fclose(f);
+
+	return clients;
+}
+
+
+/**
+ * radius_server_init - Initialize RADIUS server
+ * @conf: Configuration for the RADIUS server
+ * Returns: Pointer to private RADIUS server context or %NULL on failure
+ *
+ * This initializes a RADIUS server instance and returns a context pointer that
+ * will be used in other calls to the RADIUS server module. The server can be
+ * deinitialize by calling radius_server_deinit().
+ */
+struct radius_server_data *
+radius_server_init(struct radius_server_conf *conf)
+{
+	struct radius_server_data *data;
+
+#ifndef CONFIG_IPV6
+	if (conf->ipv6) {
+		fprintf(stderr, "RADIUS server compiled without IPv6 "
+			"support.\n");
+		return NULL;
+	}
+#endif /* CONFIG_IPV6 */
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+
+	os_get_time(&data->start_time);
+	data->conf_ctx = conf->conf_ctx;
+	data->eap_sim_db_priv = conf->eap_sim_db_priv;
+	data->ssl_ctx = conf->ssl_ctx;
+	data->msg_ctx = conf->msg_ctx;
+	data->ipv6 = conf->ipv6;
+	if (conf->pac_opaque_encr_key) {
+		data->pac_opaque_encr_key = os_malloc(16);
+		os_memcpy(data->pac_opaque_encr_key, conf->pac_opaque_encr_key,
+			  16);
+	}
+	if (conf->eap_fast_a_id) {
+		data->eap_fast_a_id = os_malloc(conf->eap_fast_a_id_len);
+		if (data->eap_fast_a_id) {
+			os_memcpy(data->eap_fast_a_id, conf->eap_fast_a_id,
+				  conf->eap_fast_a_id_len);
+			data->eap_fast_a_id_len = conf->eap_fast_a_id_len;
+		}
+	}
+	if (conf->eap_fast_a_id_info)
+		data->eap_fast_a_id_info = os_strdup(conf->eap_fast_a_id_info);
+	data->eap_fast_prov = conf->eap_fast_prov;
+	data->pac_key_lifetime = conf->pac_key_lifetime;
+	data->pac_key_refresh_time = conf->pac_key_refresh_time;
+	data->get_eap_user = conf->get_eap_user;
+	data->eap_sim_aka_result_ind = conf->eap_sim_aka_result_ind;
+	data->tnc = conf->tnc;
+	data->wps = conf->wps;
+	data->pwd_group = conf->pwd_group;
+	if (conf->eap_req_id_text) {
+		data->eap_req_id_text = os_malloc(conf->eap_req_id_text_len);
+		if (data->eap_req_id_text) {
+			os_memcpy(data->eap_req_id_text, conf->eap_req_id_text,
+				  conf->eap_req_id_text_len);
+			data->eap_req_id_text_len = conf->eap_req_id_text_len;
+		}
+	}
+
+	data->clients = radius_server_read_clients(conf->client_file,
+						   conf->ipv6);
+	if (data->clients == NULL) {
+		printf("No RADIUS clients configured.\n");
+		radius_server_deinit(data);
+		return NULL;
+	}
+
+#ifdef CONFIG_IPV6
+	if (conf->ipv6)
+		data->auth_sock = radius_server_open_socket6(conf->auth_port);
+	else
+#endif /* CONFIG_IPV6 */
+	data->auth_sock = radius_server_open_socket(conf->auth_port);
+	if (data->auth_sock < 0) {
+		printf("Failed to open UDP socket for RADIUS authentication "
+		       "server\n");
+		radius_server_deinit(data);
+		return NULL;
+	}
+	if (eloop_register_read_sock(data->auth_sock,
+				     radius_server_receive_auth,
+				     data, NULL)) {
+		radius_server_deinit(data);
+		return NULL;
+	}
+
+	return data;
+}
+
+
+/**
+ * radius_server_deinit - Deinitialize RADIUS server
+ * @data: RADIUS server context from radius_server_init()
+ */
+void radius_server_deinit(struct radius_server_data *data)
+{
+	if (data == NULL)
+		return;
+
+	if (data->auth_sock >= 0) {
+		eloop_unregister_read_sock(data->auth_sock);
+		close(data->auth_sock);
+	}
+
+	radius_server_free_clients(data, data->clients);
+
+	os_free(data->pac_opaque_encr_key);
+	os_free(data->eap_fast_a_id);
+	os_free(data->eap_fast_a_id_info);
+	os_free(data->eap_req_id_text);
+	os_free(data);
+}
+
+
+/**
+ * radius_server_get_mib - Get RADIUS server MIB information
+ * @data: RADIUS server context from radius_server_init()
+ * @buf: Buffer for returning the MIB data in text format
+ * @buflen: buf length in octets
+ * Returns: Number of octets written into buf
+ */
+int radius_server_get_mib(struct radius_server_data *data, char *buf,
+			  size_t buflen)
+{
+	int ret, uptime;
+	unsigned int idx;
+	char *end, *pos;
+	struct os_time now;
+	struct radius_client *cli;
+
+	/* RFC 2619 - RADIUS Authentication Server MIB */
+
+	if (data == NULL || buflen == 0)
+		return 0;
+
+	pos = buf;
+	end = buf + buflen;
+
+	os_get_time(&now);
+	uptime = (now.sec - data->start_time.sec) * 100 +
+		((now.usec - data->start_time.usec) / 10000) % 100;
+	ret = os_snprintf(pos, end - pos,
+			  "RADIUS-AUTH-SERVER-MIB\n"
+			  "radiusAuthServIdent=hostapd\n"
+			  "radiusAuthServUpTime=%d\n"
+			  "radiusAuthServResetTime=0\n"
+			  "radiusAuthServConfigReset=4\n",
+			  uptime);
+	if (ret < 0 || ret >= end - pos) {
+		*pos = '\0';
+		return pos - buf;
+	}
+	pos += ret;
+
+	ret = os_snprintf(pos, end - pos,
+			  "radiusAuthServTotalAccessRequests=%u\n"
+			  "radiusAuthServTotalInvalidRequests=%u\n"
+			  "radiusAuthServTotalDupAccessRequests=%u\n"
+			  "radiusAuthServTotalAccessAccepts=%u\n"
+			  "radiusAuthServTotalAccessRejects=%u\n"
+			  "radiusAuthServTotalAccessChallenges=%u\n"
+			  "radiusAuthServTotalMalformedAccessRequests=%u\n"
+			  "radiusAuthServTotalBadAuthenticators=%u\n"
+			  "radiusAuthServTotalPacketsDropped=%u\n"
+			  "radiusAuthServTotalUnknownTypes=%u\n",
+			  data->counters.access_requests,
+			  data->counters.invalid_requests,
+			  data->counters.dup_access_requests,
+			  data->counters.access_accepts,
+			  data->counters.access_rejects,
+			  data->counters.access_challenges,
+			  data->counters.malformed_access_requests,
+			  data->counters.bad_authenticators,
+			  data->counters.packets_dropped,
+			  data->counters.unknown_types);
+	if (ret < 0 || ret >= end - pos) {
+		*pos = '\0';
+		return pos - buf;
+	}
+	pos += ret;
+
+	for (cli = data->clients, idx = 0; cli; cli = cli->next, idx++) {
+		char abuf[50], mbuf[50];
+#ifdef CONFIG_IPV6
+		if (data->ipv6) {
+			if (inet_ntop(AF_INET6, &cli->addr6, abuf,
+				      sizeof(abuf)) == NULL)
+				abuf[0] = '\0';
+			if (inet_ntop(AF_INET6, &cli->mask6, abuf,
+				      sizeof(mbuf)) == NULL)
+				mbuf[0] = '\0';
+		}
+#endif /* CONFIG_IPV6 */
+		if (!data->ipv6) {
+			os_strlcpy(abuf, inet_ntoa(cli->addr), sizeof(abuf));
+			os_strlcpy(mbuf, inet_ntoa(cli->mask), sizeof(mbuf));
+		}
+
+		ret = os_snprintf(pos, end - pos,
+				  "radiusAuthClientIndex=%u\n"
+				  "radiusAuthClientAddress=%s/%s\n"
+				  "radiusAuthServAccessRequests=%u\n"
+				  "radiusAuthServDupAccessRequests=%u\n"
+				  "radiusAuthServAccessAccepts=%u\n"
+				  "radiusAuthServAccessRejects=%u\n"
+				  "radiusAuthServAccessChallenges=%u\n"
+				  "radiusAuthServMalformedAccessRequests=%u\n"
+				  "radiusAuthServBadAuthenticators=%u\n"
+				  "radiusAuthServPacketsDropped=%u\n"
+				  "radiusAuthServUnknownTypes=%u\n",
+				  idx,
+				  abuf, mbuf,
+				  cli->counters.access_requests,
+				  cli->counters.dup_access_requests,
+				  cli->counters.access_accepts,
+				  cli->counters.access_rejects,
+				  cli->counters.access_challenges,
+				  cli->counters.malformed_access_requests,
+				  cli->counters.bad_authenticators,
+				  cli->counters.packets_dropped,
+				  cli->counters.unknown_types);
+		if (ret < 0 || ret >= end - pos) {
+			*pos = '\0';
+			return pos - buf;
+		}
+		pos += ret;
+	}
+
+	return pos - buf;
+}
+
+
+static int radius_server_get_eap_user(void *ctx, const u8 *identity,
+				      size_t identity_len, int phase2,
+				      struct eap_user *user)
+{
+	struct radius_session *sess = ctx;
+	struct radius_server_data *data = sess->server;
+
+	return data->get_eap_user(data->conf_ctx, identity, identity_len,
+				  phase2, user);
+}
+
+
+static const char * radius_server_get_eap_req_id_text(void *ctx, size_t *len)
+{
+	struct radius_session *sess = ctx;
+	struct radius_server_data *data = sess->server;
+	*len = data->eap_req_id_text_len;
+	return data->eap_req_id_text;
+}
+
+
+static struct eapol_callbacks radius_server_eapol_cb =
+{
+	.get_eap_user = radius_server_get_eap_user,
+	.get_eap_req_id_text = radius_server_get_eap_req_id_text,
+};
+
+
+/**
+ * radius_server_eap_pending_cb - Pending EAP data notification
+ * @data: RADIUS server context from radius_server_init()
+ * @ctx: Pending EAP context pointer
+ *
+ * This function is used to notify EAP server module that a pending operation
+ * has been completed and processing of the EAP session can proceed.
+ */
+void radius_server_eap_pending_cb(struct radius_server_data *data, void *ctx)
+{
+	struct radius_client *cli;
+	struct radius_session *s, *sess = NULL;
+	struct radius_msg *msg;
+
+	if (data == NULL)
+		return;
+
+	for (cli = data->clients; cli; cli = cli->next) {
+		for (s = cli->sessions; s; s = s->next) {
+			if (s->eap == ctx && s->last_msg) {
+				sess = s;
+				break;
+			}
+			if (sess)
+				break;
+		}
+		if (sess)
+			break;
+	}
+
+	if (sess == NULL) {
+		RADIUS_DEBUG("No session matched callback ctx");
+		return;
+	}
+
+	msg = sess->last_msg;
+	sess->last_msg = NULL;
+	eap_sm_pending_cb(sess->eap);
+	if (radius_server_request(data, msg,
+				  (struct sockaddr *) &sess->last_from,
+				  sess->last_fromlen, cli,
+				  sess->last_from_addr,
+				  sess->last_from_port, sess) == -2)
+		return; /* msg was stored with the session */
+
+	radius_msg_free(msg);
+}
diff --git a/src/radius/radius_server.h b/src/radius/radius_server.h
new file mode 100644
index 0000000..126e314
--- /dev/null
+++ b/src/radius/radius_server.h
@@ -0,0 +1,217 @@
+/*
+ * RADIUS authentication server
+ * Copyright (c) 2005-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef RADIUS_SERVER_H
+#define RADIUS_SERVER_H
+
+struct radius_server_data;
+struct eap_user;
+
+/**
+ * struct radius_server_conf - RADIUS server configuration
+ */
+struct radius_server_conf {
+	/**
+	 * auth_port - UDP port to listen to as an authentication server
+	 */
+	int auth_port;
+
+	/**
+	 * client_file - RADIUS client configuration file
+	 *
+	 * This file contains the RADIUS clients and the shared secret to be
+	 * used with them in a format where each client is on its own line. The
+	 * first item on the line is the IPv4 or IPv6 address of the client
+	 * with an optional address mask to allow full network to be specified
+	 * (e.g., 192.168.1.2 or 192.168.1.0/24). This is followed by white
+	 * space (space or tabulator) and the shared secret. Lines starting
+	 * with '#' are skipped and can be used as comments.
+	 */
+	char *client_file;
+
+	/**
+	 * conf_ctx - Context pointer for callbacks
+	 *
+	 * This is used as the ctx argument in get_eap_user() calls.
+	 */
+	void *conf_ctx;
+
+	/**
+	 * eap_sim_db_priv - EAP-SIM/AKA database context
+	 *
+	 * This is passed to the EAP-SIM/AKA server implementation as a
+	 * callback context.
+	 */
+	void *eap_sim_db_priv;
+
+	/**
+	 * ssl_ctx - TLS context
+	 *
+	 * This is passed to the EAP server implementation as a callback
+	 * context for TLS operations.
+	 */
+	void *ssl_ctx;
+
+	/**
+	 * pac_opaque_encr_key - PAC-Opaque encryption key for EAP-FAST
+	 *
+	 * This parameter is used to set a key for EAP-FAST to encrypt the
+	 * PAC-Opaque data. It can be set to %NULL if EAP-FAST is not used. If
+	 * set, must point to a 16-octet key.
+	 */
+	u8 *pac_opaque_encr_key;
+
+	/**
+	 * eap_fast_a_id - EAP-FAST authority identity (A-ID)
+	 *
+	 * If EAP-FAST is not used, this can be set to %NULL. In theory, this
+	 * is a variable length field, but due to some existing implementations
+	 * requiring A-ID to be 16 octets in length, it is recommended to use
+	 * that length for the field to provide interoperability with deployed
+	 * peer implementations.
+	 */
+	u8 *eap_fast_a_id;
+
+	/**
+	 * eap_fast_a_id_len - Length of eap_fast_a_id buffer in octets
+	 */
+	size_t eap_fast_a_id_len;
+
+	/**
+	 * eap_fast_a_id_info - EAP-FAST authority identifier information
+	 *
+	 * This A-ID-Info contains a user-friendly name for the A-ID. For
+	 * example, this could be the enterprise and server names in
+	 * human-readable format. This field is encoded as UTF-8. If EAP-FAST
+	 * is not used, this can be set to %NULL.
+	 */
+	char *eap_fast_a_id_info;
+
+	/**
+	 * eap_fast_prov - EAP-FAST provisioning modes
+	 *
+	 * 0 = provisioning disabled, 1 = only anonymous provisioning allowed,
+	 * 2 = only authenticated provisioning allowed, 3 = both provisioning
+	 * modes allowed.
+	 */
+	int eap_fast_prov;
+
+	/**
+	 * pac_key_lifetime - EAP-FAST PAC-Key lifetime in seconds
+	 *
+	 * This is the hard limit on how long a provisioned PAC-Key can be
+	 * used.
+	 */
+	int pac_key_lifetime;
+
+	/**
+	 * pac_key_refresh_time - EAP-FAST PAC-Key refresh time in seconds
+	 *
+	 * This is a soft limit on the PAC-Key. The server will automatically
+	 * generate a new PAC-Key when this number of seconds (or fewer) of the
+	 * lifetime remains.
+	 */
+	int pac_key_refresh_time;
+
+	/**
+	 * eap_sim_aka_result_ind - EAP-SIM/AKA protected success indication
+	 *
+	 * This controls whether the protected success/failure indication
+	 * (AT_RESULT_IND) is used with EAP-SIM and EAP-AKA.
+	 */
+	int eap_sim_aka_result_ind;
+
+	/**
+	 * tnc - Trusted Network Connect (TNC)
+	 *
+	 * This controls whether TNC is enabled and will be required before the
+	 * peer is allowed to connect. Note: This is only used with EAP-TTLS
+	 * and EAP-FAST. If any other EAP method is enabled, the peer will be
+	 * allowed to connect without TNC.
+	 */
+	int tnc;
+
+	/**
+	 * pwd_group - EAP-pwd D-H group
+	 *
+	 * This is used to select which D-H group to use with EAP-pwd.
+	 */
+	u16 pwd_group;
+
+	/**
+	 * wps - Wi-Fi Protected Setup context
+	 *
+	 * If WPS is used with an external RADIUS server (which is quite
+	 * unlikely configuration), this is used to provide a pointer to WPS
+	 * context data. Normally, this can be set to %NULL.
+	 */
+	struct wps_context *wps;
+
+	/**
+	 * ipv6 - Whether to enable IPv6 support in the RADIUS server
+	 */
+	int ipv6;
+
+	/**
+	 * get_eap_user - Callback for fetching EAP user information
+	 * @ctx: Context data from conf_ctx
+	 * @identity: User identity
+	 * @identity_len: identity buffer length in octets
+	 * @phase2: Whether this is for Phase 2 identity
+	 * @user: Data structure for filling in the user information
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This is used to fetch information from user database. The callback
+	 * will fill in information about allowed EAP methods and the user
+	 * password. The password field will be an allocated copy of the
+	 * password data and RADIUS server will free it after use.
+	 */
+	int (*get_eap_user)(void *ctx, const u8 *identity, size_t identity_len,
+			    int phase2, struct eap_user *user);
+
+	/**
+	 * eap_req_id_text - Optional data for EAP-Request/Identity
+	 *
+	 * This can be used to configure an optional, displayable message that
+	 * will be sent in EAP-Request/Identity. This string can contain an
+	 * ASCII-0 character (nul) to separate network infromation per RFC
+	 * 4284. The actual string length is explicit provided in
+	 * eap_req_id_text_len since nul character will not be used as a string
+	 * terminator.
+	 */
+	const char *eap_req_id_text;
+
+	/**
+	 * eap_req_id_text_len - Length of eap_req_id_text buffer in octets
+	 */
+	size_t eap_req_id_text_len;
+
+	/*
+	 * msg_ctx - Context data for wpa_msg() calls
+	 */
+	void *msg_ctx;
+};
+
+
+struct radius_server_data *
+radius_server_init(struct radius_server_conf *conf);
+
+void radius_server_deinit(struct radius_server_data *data);
+
+int radius_server_get_mib(struct radius_server_data *data, char *buf,
+			  size_t buflen);
+
+void radius_server_eap_pending_cb(struct radius_server_data *data, void *ctx);
+
+#endif /* RADIUS_SERVER_H */
diff --git a/src/rsn_supp/Makefile b/src/rsn_supp/Makefile
new file mode 100644
index 0000000..9c41962
--- /dev/null
+++ b/src/rsn_supp/Makefile
@@ -0,0 +1,8 @@
+all:
+	@echo Nothing to be made.
+
+clean:
+	rm -f *~ *.o *.d
+
+install:
+	@echo Nothing to be made.
diff --git a/src/rsn_supp/peerkey.c b/src/rsn_supp/peerkey.c
new file mode 100644
index 0000000..2b3332e
--- /dev/null
+++ b/src/rsn_supp/peerkey.c
@@ -0,0 +1,1186 @@
+/*
+ * WPA Supplicant - PeerKey for Direct Link Setup (DLS)
+ * Copyright (c) 2006-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#ifdef CONFIG_PEERKEY
+
+#include "common.h"
+#include "eloop.h"
+#include "crypto/sha1.h"
+#include "crypto/sha256.h"
+#include "crypto/random.h"
+#include "common/ieee802_11_defs.h"
+#include "wpa.h"
+#include "wpa_i.h"
+#include "wpa_ie.h"
+#include "peerkey.h"
+
+
+static u8 * wpa_add_ie(u8 *pos, const u8 *ie, size_t ie_len)
+{
+	os_memcpy(pos, ie, ie_len);
+	return pos + ie_len;
+}
+
+
+static u8 * wpa_add_kde(u8 *pos, u32 kde, const u8 *data, size_t data_len)
+{
+	*pos++ = WLAN_EID_VENDOR_SPECIFIC;
+	*pos++ = RSN_SELECTOR_LEN + data_len;
+	RSN_SELECTOR_PUT(pos, kde);
+	pos += RSN_SELECTOR_LEN;
+	os_memcpy(pos, data, data_len);
+	pos += data_len;
+	return pos;
+}
+
+
+static void wpa_supplicant_smk_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+#if 0
+	struct wpa_sm *sm = eloop_ctx;
+	struct wpa_peerkey *peerkey = timeout_ctx;
+#endif
+	/* TODO: time out SMK and any STK that was generated using this SMK */
+}
+
+
+static void wpa_supplicant_peerkey_free(struct wpa_sm *sm,
+					struct wpa_peerkey *peerkey)
+{
+	eloop_cancel_timeout(wpa_supplicant_smk_timeout, sm, peerkey);
+	os_free(peerkey);
+}
+
+
+static int wpa_supplicant_send_smk_error(struct wpa_sm *sm, const u8 *dst,
+					 const u8 *peer,
+					 u16 mui, u16 error_type, int ver)
+{
+	size_t rlen;
+	struct wpa_eapol_key *err;
+	struct rsn_error_kde error;
+	u8 *rbuf, *pos;
+	size_t kde_len;
+	u16 key_info;
+
+	kde_len = 2 + RSN_SELECTOR_LEN + sizeof(error);
+	if (peer)
+		kde_len += 2 + RSN_SELECTOR_LEN + ETH_ALEN;
+
+	rbuf = wpa_sm_alloc_eapol(sm, IEEE802_1X_TYPE_EAPOL_KEY,
+				  NULL, sizeof(*err) + kde_len, &rlen,
+				  (void *) &err);
+	if (rbuf == NULL)
+		return -1;
+
+	err->type = EAPOL_KEY_TYPE_RSN;
+	key_info = ver | WPA_KEY_INFO_SMK_MESSAGE | WPA_KEY_INFO_MIC |
+		WPA_KEY_INFO_SECURE | WPA_KEY_INFO_ERROR |
+		WPA_KEY_INFO_REQUEST;
+	WPA_PUT_BE16(err->key_info, key_info);
+	WPA_PUT_BE16(err->key_length, 0);
+	os_memcpy(err->replay_counter, sm->request_counter,
+		  WPA_REPLAY_COUNTER_LEN);
+	inc_byte_array(sm->request_counter, WPA_REPLAY_COUNTER_LEN);
+
+	WPA_PUT_BE16(err->key_data_length, (u16) kde_len);
+	pos = (u8 *) (err + 1);
+
+	if (peer) {
+		/* Peer MAC Address KDE */
+		pos = wpa_add_kde(pos, RSN_KEY_DATA_MAC_ADDR, peer, ETH_ALEN);
+	}
+
+	/* Error KDE */
+	error.mui = host_to_be16(mui);
+	error.error_type = host_to_be16(error_type);
+	wpa_add_kde(pos, RSN_KEY_DATA_ERROR, (u8 *) &error, sizeof(error));
+
+	if (peer) {
+		wpa_printf(MSG_DEBUG, "RSN: Sending EAPOL-Key SMK Error (peer "
+			   MACSTR " mui %d error_type %d)",
+			   MAC2STR(peer), mui, error_type);
+	} else {
+		wpa_printf(MSG_DEBUG, "RSN: Sending EAPOL-Key SMK Error "
+			   "(mui %d error_type %d)", mui, error_type);
+	}
+
+	wpa_eapol_key_send(sm, sm->ptk.kck, ver, dst, ETH_P_EAPOL,
+			   rbuf, rlen, err->key_mic);
+
+	return 0;
+}
+
+
+static int wpa_supplicant_send_smk_m3(struct wpa_sm *sm,
+				      const unsigned char *src_addr,
+				      const struct wpa_eapol_key *key,
+				      int ver, struct wpa_peerkey *peerkey)
+{
+	size_t rlen;
+	struct wpa_eapol_key *reply;
+	u8 *rbuf, *pos;
+	size_t kde_len;
+	u16 key_info;
+
+	/* KDEs: Peer RSN IE, Initiator MAC Address, Initiator Nonce */
+	kde_len = peerkey->rsnie_p_len +
+		2 + RSN_SELECTOR_LEN + ETH_ALEN +
+		2 + RSN_SELECTOR_LEN + WPA_NONCE_LEN;
+
+	rbuf = wpa_sm_alloc_eapol(sm, IEEE802_1X_TYPE_EAPOL_KEY,
+				  NULL, sizeof(*reply) + kde_len, &rlen,
+				  (void *) &reply);
+	if (rbuf == NULL)
+		return -1;
+
+	reply->type = EAPOL_KEY_TYPE_RSN;
+	key_info = ver | WPA_KEY_INFO_SMK_MESSAGE | WPA_KEY_INFO_MIC |
+		WPA_KEY_INFO_SECURE;
+	WPA_PUT_BE16(reply->key_info, key_info);
+	WPA_PUT_BE16(reply->key_length, 0);
+	os_memcpy(reply->replay_counter, key->replay_counter,
+		  WPA_REPLAY_COUNTER_LEN);
+
+	os_memcpy(reply->key_nonce, peerkey->pnonce, WPA_NONCE_LEN);
+
+	WPA_PUT_BE16(reply->key_data_length, (u16) kde_len);
+	pos = (u8 *) (reply + 1);
+
+	/* Peer RSN IE */
+	pos = wpa_add_ie(pos, peerkey->rsnie_p, peerkey->rsnie_p_len);
+
+	/* Initiator MAC Address KDE */
+	pos = wpa_add_kde(pos, RSN_KEY_DATA_MAC_ADDR, peerkey->addr, ETH_ALEN);
+
+	/* Initiator Nonce */
+	wpa_add_kde(pos, RSN_KEY_DATA_NONCE, peerkey->inonce, WPA_NONCE_LEN);
+
+	wpa_printf(MSG_DEBUG, "RSN: Sending EAPOL-Key SMK M3");
+	wpa_eapol_key_send(sm, sm->ptk.kck, ver, src_addr, ETH_P_EAPOL,
+			   rbuf, rlen, reply->key_mic);
+
+	return 0;
+}
+
+
+static int wpa_supplicant_process_smk_m2(
+	struct wpa_sm *sm, const unsigned char *src_addr,
+	const struct wpa_eapol_key *key, size_t extra_len, int ver)
+{
+	struct wpa_peerkey *peerkey;
+	struct wpa_eapol_ie_parse kde;
+	struct wpa_ie_data ie;
+	int cipher;
+	struct rsn_ie_hdr *hdr;
+	u8 *pos;
+
+	wpa_printf(MSG_DEBUG, "RSN: Received SMK M2");
+
+	if (!sm->peerkey_enabled || sm->proto != WPA_PROTO_RSN) {
+		wpa_printf(MSG_INFO, "RSN: SMK handshake not allowed for "
+			   "the current network");
+		return -1;
+	}
+
+	if (wpa_supplicant_parse_ies((const u8 *) (key + 1), extra_len, &kde) <
+	    0) {
+		wpa_printf(MSG_INFO, "RSN: Failed to parse KDEs in SMK M2");
+		return -1;
+	}
+
+	if (kde.rsn_ie == NULL || kde.mac_addr == NULL ||
+	    kde.mac_addr_len < ETH_ALEN) {
+		wpa_printf(MSG_INFO, "RSN: No RSN IE or MAC address KDE in "
+			   "SMK M2");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "RSN: SMK M2 - SMK initiator " MACSTR,
+		   MAC2STR(kde.mac_addr));
+
+	if (kde.rsn_ie_len > PEERKEY_MAX_IE_LEN) {
+		wpa_printf(MSG_INFO, "RSN: Too long Initiator RSN IE in SMK "
+			   "M2");
+		return -1;
+	}
+
+	if (wpa_parse_wpa_ie_rsn(kde.rsn_ie, kde.rsn_ie_len, &ie) < 0) {
+		wpa_printf(MSG_INFO, "RSN: Failed to parse RSN IE in SMK M2");
+		return -1;
+	}
+
+	cipher = ie.pairwise_cipher & sm->allowed_pairwise_cipher;
+	if (cipher & WPA_CIPHER_CCMP) {
+		wpa_printf(MSG_DEBUG, "RSN: Using CCMP for PeerKey");
+		cipher = WPA_CIPHER_CCMP;
+	} else if (cipher & WPA_CIPHER_TKIP) {
+		wpa_printf(MSG_DEBUG, "RSN: Using TKIP for PeerKey");
+		cipher = WPA_CIPHER_TKIP;
+	} else {
+		wpa_printf(MSG_INFO, "RSN: No acceptable cipher in SMK M2");
+		wpa_supplicant_send_smk_error(sm, src_addr, kde.mac_addr,
+					      STK_MUI_SMK, STK_ERR_CPHR_NS,
+					      ver);
+		return -1;
+	}
+
+	/* TODO: find existing entry and if found, use that instead of adding
+	 * a new one; how to handle the case where both ends initiate at the
+	 * same time? */
+	peerkey = os_zalloc(sizeof(*peerkey));
+	if (peerkey == NULL)
+		return -1;
+	os_memcpy(peerkey->addr, kde.mac_addr, ETH_ALEN);
+	os_memcpy(peerkey->inonce, key->key_nonce, WPA_NONCE_LEN);
+	os_memcpy(peerkey->rsnie_i, kde.rsn_ie, kde.rsn_ie_len);
+	peerkey->rsnie_i_len = kde.rsn_ie_len;
+	peerkey->cipher = cipher;
+#ifdef CONFIG_IEEE80211W
+	if (ie.key_mgmt & (WPA_KEY_MGMT_IEEE8021X_SHA256 |
+			   WPA_KEY_MGMT_PSK_SHA256))
+		peerkey->use_sha256 = 1;
+#endif /* CONFIG_IEEE80211W */
+
+	if (random_get_bytes(peerkey->pnonce, WPA_NONCE_LEN)) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"WPA: Failed to get random data for PNonce");
+		wpa_supplicant_peerkey_free(sm, peerkey);
+		return -1;
+	}
+
+	hdr = (struct rsn_ie_hdr *) peerkey->rsnie_p;
+	hdr->elem_id = WLAN_EID_RSN;
+	WPA_PUT_LE16(hdr->version, RSN_VERSION);
+	pos = (u8 *) (hdr + 1);
+	/* Group Suite can be anything for SMK RSN IE; receiver will just
+	 * ignore it. */
+	RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_CCMP);
+	pos += RSN_SELECTOR_LEN;
+	/* Include only the selected cipher in pairwise cipher suite */
+	WPA_PUT_LE16(pos, 1);
+	pos += 2;
+	if (cipher == WPA_CIPHER_CCMP)
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_CCMP);
+	else if (cipher == WPA_CIPHER_TKIP)
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_TKIP);
+	pos += RSN_SELECTOR_LEN;
+
+	hdr->len = (pos - peerkey->rsnie_p) - 2;
+	peerkey->rsnie_p_len = pos - peerkey->rsnie_p;
+	wpa_hexdump(MSG_DEBUG, "WPA: RSN IE for SMK handshake",
+		    peerkey->rsnie_p, peerkey->rsnie_p_len);
+
+	wpa_supplicant_send_smk_m3(sm, src_addr, key, ver, peerkey);
+
+	peerkey->next = sm->peerkey;
+	sm->peerkey = peerkey;
+
+	return 0;
+}
+
+
+/**
+ * rsn_smkid - Derive SMK identifier
+ * @smk: Station master key (32 bytes)
+ * @pnonce: Peer Nonce
+ * @mac_p: Peer MAC address
+ * @inonce: Initiator Nonce
+ * @mac_i: Initiator MAC address
+ * @use_sha256: Whether to use SHA256-based KDF
+ *
+ * 8.5.1.4 Station to station (STK) key hierarchy
+ * SMKID = HMAC-SHA1-128(SMK, "SMK Name" || PNonce || MAC_P || INonce || MAC_I)
+ */
+static void rsn_smkid(const u8 *smk, const u8 *pnonce, const u8 *mac_p,
+		      const u8 *inonce, const u8 *mac_i, u8 *smkid,
+		      int use_sha256)
+{
+	char *title = "SMK Name";
+	const u8 *addr[5];
+	const size_t len[5] = { 8, WPA_NONCE_LEN, ETH_ALEN, WPA_NONCE_LEN,
+				ETH_ALEN };
+	unsigned char hash[SHA256_MAC_LEN];
+
+	addr[0] = (u8 *) title;
+	addr[1] = pnonce;
+	addr[2] = mac_p;
+	addr[3] = inonce;
+	addr[4] = mac_i;
+
+#ifdef CONFIG_IEEE80211W
+	if (use_sha256)
+		hmac_sha256_vector(smk, PMK_LEN, 5, addr, len, hash);
+	else
+#endif /* CONFIG_IEEE80211W */
+		hmac_sha1_vector(smk, PMK_LEN, 5, addr, len, hash);
+	os_memcpy(smkid, hash, PMKID_LEN);
+}
+
+
+static void wpa_supplicant_send_stk_1_of_4(struct wpa_sm *sm,
+					   struct wpa_peerkey *peerkey)
+{
+	size_t mlen;
+	struct wpa_eapol_key *msg;
+	u8 *mbuf;
+	size_t kde_len;
+	u16 key_info, ver;
+
+	kde_len = 2 + RSN_SELECTOR_LEN + PMKID_LEN;
+
+	mbuf = wpa_sm_alloc_eapol(sm, IEEE802_1X_TYPE_EAPOL_KEY, NULL,
+				  sizeof(*msg) + kde_len, &mlen,
+				  (void *) &msg);
+	if (mbuf == NULL)
+		return;
+
+	msg->type = EAPOL_KEY_TYPE_RSN;
+
+	if (peerkey->cipher == WPA_CIPHER_CCMP)
+		ver = WPA_KEY_INFO_TYPE_HMAC_SHA1_AES;
+	else
+		ver = WPA_KEY_INFO_TYPE_HMAC_MD5_RC4;
+
+	key_info = ver | WPA_KEY_INFO_KEY_TYPE | WPA_KEY_INFO_ACK;
+	WPA_PUT_BE16(msg->key_info, key_info);
+
+	if (peerkey->cipher == WPA_CIPHER_CCMP)
+		WPA_PUT_BE16(msg->key_length, 16);
+	else
+		WPA_PUT_BE16(msg->key_length, 32);
+
+	os_memcpy(msg->replay_counter, peerkey->replay_counter,
+		  WPA_REPLAY_COUNTER_LEN);
+	inc_byte_array(peerkey->replay_counter, WPA_REPLAY_COUNTER_LEN);
+
+	WPA_PUT_BE16(msg->key_data_length, kde_len);
+	wpa_add_kde((u8 *) (msg + 1), RSN_KEY_DATA_PMKID,
+		    peerkey->smkid, PMKID_LEN);
+
+	if (random_get_bytes(peerkey->inonce, WPA_NONCE_LEN)) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"RSN: Failed to get random data for INonce (STK)");
+		os_free(mbuf);
+		return;
+	}
+	wpa_hexdump(MSG_DEBUG, "RSN: INonce for STK 4-Way Handshake",
+		    peerkey->inonce, WPA_NONCE_LEN);
+	os_memcpy(msg->key_nonce, peerkey->inonce, WPA_NONCE_LEN);
+
+	wpa_printf(MSG_DEBUG, "RSN: Sending EAPOL-Key STK 1/4 to " MACSTR,
+		   MAC2STR(peerkey->addr));
+	wpa_eapol_key_send(sm, NULL, ver, peerkey->addr, ETH_P_EAPOL,
+			   mbuf, mlen, NULL);
+}
+
+
+static void wpa_supplicant_send_stk_3_of_4(struct wpa_sm *sm,
+					   struct wpa_peerkey *peerkey)
+{
+	size_t mlen;
+	struct wpa_eapol_key *msg;
+	u8 *mbuf, *pos;
+	size_t kde_len;
+	u16 key_info, ver;
+	be32 lifetime;
+
+	kde_len = peerkey->rsnie_i_len +
+		2 + RSN_SELECTOR_LEN + sizeof(lifetime);
+
+	mbuf = wpa_sm_alloc_eapol(sm, IEEE802_1X_TYPE_EAPOL_KEY, NULL,
+				  sizeof(*msg) + kde_len, &mlen,
+				  (void *) &msg);
+	if (mbuf == NULL)
+		return;
+
+	msg->type = EAPOL_KEY_TYPE_RSN;
+
+	if (peerkey->cipher == WPA_CIPHER_CCMP)
+		ver = WPA_KEY_INFO_TYPE_HMAC_SHA1_AES;
+	else
+		ver = WPA_KEY_INFO_TYPE_HMAC_MD5_RC4;
+
+	key_info = ver | WPA_KEY_INFO_KEY_TYPE | WPA_KEY_INFO_ACK |
+		WPA_KEY_INFO_MIC | WPA_KEY_INFO_SECURE;
+	WPA_PUT_BE16(msg->key_info, key_info);
+
+	if (peerkey->cipher == WPA_CIPHER_CCMP)
+		WPA_PUT_BE16(msg->key_length, 16);
+	else
+		WPA_PUT_BE16(msg->key_length, 32);
+
+	os_memcpy(msg->replay_counter, peerkey->replay_counter,
+		  WPA_REPLAY_COUNTER_LEN);
+	inc_byte_array(peerkey->replay_counter, WPA_REPLAY_COUNTER_LEN);
+
+	WPA_PUT_BE16(msg->key_data_length, kde_len);
+	pos = (u8 *) (msg + 1);
+	pos = wpa_add_ie(pos, peerkey->rsnie_i, peerkey->rsnie_i_len);
+	lifetime = host_to_be32(peerkey->lifetime);
+	wpa_add_kde(pos, RSN_KEY_DATA_LIFETIME,
+		    (u8 *) &lifetime, sizeof(lifetime));
+
+	os_memcpy(msg->key_nonce, peerkey->inonce, WPA_NONCE_LEN);
+
+	wpa_printf(MSG_DEBUG, "RSN: Sending EAPOL-Key STK 3/4 to " MACSTR,
+		   MAC2STR(peerkey->addr));
+	wpa_eapol_key_send(sm, peerkey->stk.kck, ver, peerkey->addr,
+			   ETH_P_EAPOL, mbuf, mlen, msg->key_mic);
+}
+
+
+static int wpa_supplicant_process_smk_m4(struct wpa_peerkey *peerkey,
+					 struct wpa_eapol_ie_parse *kde)
+{
+	wpa_printf(MSG_DEBUG, "RSN: Received SMK M4 (Initiator " MACSTR ")",
+		   MAC2STR(kde->mac_addr));
+
+	if (os_memcmp(kde->smk + PMK_LEN, peerkey->pnonce, WPA_NONCE_LEN) != 0)
+	{
+		wpa_printf(MSG_INFO, "RSN: PNonce in SMK KDE does not "
+			   "match with the one used in SMK M3");
+		return -1;
+	}
+
+	if (os_memcmp(kde->nonce, peerkey->inonce, WPA_NONCE_LEN) != 0) {
+		wpa_printf(MSG_INFO, "RSN: INonce in SMK M4 did not "
+			   "match with the one received in SMK M2");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int wpa_supplicant_process_smk_m5(struct wpa_sm *sm,
+					 const unsigned char *src_addr,
+					 const struct wpa_eapol_key *key,
+					 int ver,
+					 struct wpa_peerkey *peerkey,
+					 struct wpa_eapol_ie_parse *kde)
+{
+	int cipher;
+	struct wpa_ie_data ie;
+
+	wpa_printf(MSG_DEBUG, "RSN: Received SMK M5 (Peer " MACSTR ")",
+		   MAC2STR(kde->mac_addr));
+	if (kde->rsn_ie == NULL || kde->rsn_ie_len > PEERKEY_MAX_IE_LEN ||
+	    wpa_parse_wpa_ie_rsn(kde->rsn_ie, kde->rsn_ie_len, &ie) < 0) {
+		wpa_printf(MSG_INFO, "RSN: No RSN IE in SMK M5");
+		/* TODO: abort negotiation */
+		return -1;
+	}
+
+	if (os_memcmp(key->key_nonce, peerkey->inonce, WPA_NONCE_LEN) != 0) {
+		wpa_printf(MSG_INFO, "RSN: Key Nonce in SMK M5 does "
+			   "not match with INonce used in SMK M1");
+		return -1;
+	}
+
+	if (os_memcmp(kde->smk + PMK_LEN, peerkey->inonce, WPA_NONCE_LEN) != 0)
+	{
+		wpa_printf(MSG_INFO, "RSN: INonce in SMK KDE does not "
+			   "match with the one used in SMK M1");
+		return -1;
+	}
+
+	os_memcpy(peerkey->rsnie_p, kde->rsn_ie, kde->rsn_ie_len);
+	peerkey->rsnie_p_len = kde->rsn_ie_len;
+	os_memcpy(peerkey->pnonce, kde->nonce, WPA_NONCE_LEN);
+
+	cipher = ie.pairwise_cipher & sm->allowed_pairwise_cipher;
+	if (cipher & WPA_CIPHER_CCMP) {
+		wpa_printf(MSG_DEBUG, "RSN: Using CCMP for PeerKey");
+		peerkey->cipher = WPA_CIPHER_CCMP;
+	} else if (cipher & WPA_CIPHER_TKIP) {
+		wpa_printf(MSG_DEBUG, "RSN: Using TKIP for PeerKey");
+		peerkey->cipher = WPA_CIPHER_TKIP;
+	} else {
+		wpa_printf(MSG_INFO, "RSN: SMK Peer STA " MACSTR " selected "
+			   "unacceptable cipher", MAC2STR(kde->mac_addr));
+		wpa_supplicant_send_smk_error(sm, src_addr, kde->mac_addr,
+					      STK_MUI_SMK, STK_ERR_CPHR_NS,
+					      ver);
+		/* TODO: abort negotiation */
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int wpa_supplicant_process_smk_m45(
+	struct wpa_sm *sm, const unsigned char *src_addr,
+	const struct wpa_eapol_key *key, size_t extra_len, int ver)
+{
+	struct wpa_peerkey *peerkey;
+	struct wpa_eapol_ie_parse kde;
+	u32 lifetime;
+	struct os_time now;
+
+	if (!sm->peerkey_enabled || sm->proto != WPA_PROTO_RSN) {
+		wpa_printf(MSG_DEBUG, "RSN: SMK handshake not allowed for "
+			   "the current network");
+		return -1;
+	}
+
+	if (wpa_supplicant_parse_ies((const u8 *) (key + 1), extra_len, &kde) <
+	    0) {
+		wpa_printf(MSG_INFO, "RSN: Failed to parse KDEs in SMK M4/M5");
+		return -1;
+	}
+
+	if (kde.mac_addr == NULL || kde.mac_addr_len < ETH_ALEN ||
+	    kde.nonce == NULL || kde.nonce_len < WPA_NONCE_LEN ||
+	    kde.smk == NULL || kde.smk_len < PMK_LEN + WPA_NONCE_LEN ||
+	    kde.lifetime == NULL || kde.lifetime_len < 4) {
+		wpa_printf(MSG_INFO, "RSN: No MAC Address, Nonce, SMK, or "
+			   "Lifetime KDE in SMK M4/M5");
+		return -1;
+	}
+
+	for (peerkey = sm->peerkey; peerkey; peerkey = peerkey->next) {
+		if (os_memcmp(peerkey->addr, kde.mac_addr, ETH_ALEN) == 0 &&
+		    os_memcmp(peerkey->initiator ? peerkey->inonce :
+			   peerkey->pnonce,
+			   key->key_nonce, WPA_NONCE_LEN) == 0)
+			break;
+	}
+	if (peerkey == NULL) {
+		wpa_printf(MSG_INFO, "RSN: No matching SMK handshake found "
+			   "for SMK M4/M5: peer " MACSTR,
+			   MAC2STR(kde.mac_addr));
+		return -1;
+	}
+
+	if (peerkey->initiator) {
+		if (wpa_supplicant_process_smk_m5(sm, src_addr, key, ver,
+						  peerkey, &kde) < 0)
+			return -1;
+	} else {
+		if (wpa_supplicant_process_smk_m4(peerkey, &kde) < 0)
+			return -1;
+	}
+
+	os_memcpy(peerkey->smk, kde.smk, PMK_LEN);
+	peerkey->smk_complete = 1;
+	wpa_hexdump_key(MSG_DEBUG, "RSN: SMK", peerkey->smk, PMK_LEN);
+	lifetime = WPA_GET_BE32(kde.lifetime);
+	wpa_printf(MSG_DEBUG, "RSN: SMK lifetime %u seconds", lifetime);
+	if (lifetime > 1000000000)
+		lifetime = 1000000000; /* avoid overflowing expiration time */
+	peerkey->lifetime = lifetime;
+	os_get_time(&now);
+	peerkey->expiration = now.sec + lifetime;
+	eloop_register_timeout(lifetime, 0, wpa_supplicant_smk_timeout,
+			       sm, peerkey);
+
+	if (peerkey->initiator) {
+		rsn_smkid(peerkey->smk, peerkey->pnonce, peerkey->addr,
+			  peerkey->inonce, sm->own_addr, peerkey->smkid,
+			  peerkey->use_sha256);
+		wpa_supplicant_send_stk_1_of_4(sm, peerkey);
+	} else {
+		rsn_smkid(peerkey->smk, peerkey->pnonce, sm->own_addr,
+			  peerkey->inonce, peerkey->addr, peerkey->smkid,
+			  peerkey->use_sha256);
+	}
+	wpa_hexdump(MSG_DEBUG, "RSN: SMKID", peerkey->smkid, PMKID_LEN);
+
+	return 0;
+}
+
+
+static int wpa_supplicant_process_smk_error(
+	struct wpa_sm *sm, const unsigned char *src_addr,
+	const struct wpa_eapol_key *key, size_t extra_len)
+{
+	struct wpa_eapol_ie_parse kde;
+	struct rsn_error_kde error;
+	u8 peer[ETH_ALEN];
+	u16 error_type;
+
+	wpa_printf(MSG_DEBUG, "RSN: Received SMK Error");
+
+	if (!sm->peerkey_enabled || sm->proto != WPA_PROTO_RSN) {
+		wpa_printf(MSG_DEBUG, "RSN: SMK handshake not allowed for "
+			   "the current network");
+		return -1;
+	}
+
+	if (wpa_supplicant_parse_ies((const u8 *) (key + 1), extra_len, &kde) <
+	    0) {
+		wpa_printf(MSG_INFO, "RSN: Failed to parse KDEs in SMK Error");
+		return -1;
+	}
+
+	if (kde.error == NULL || kde.error_len < sizeof(error)) {
+		wpa_printf(MSG_INFO, "RSN: No Error KDE in SMK Error");
+		return -1;
+	}
+
+	if (kde.mac_addr && kde.mac_addr_len >= ETH_ALEN)
+		os_memcpy(peer, kde.mac_addr, ETH_ALEN);
+	else
+		os_memset(peer, 0, ETH_ALEN);
+	os_memcpy(&error, kde.error, sizeof(error));
+	error_type = be_to_host16(error.error_type);
+	wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+		"RSN: SMK Error KDE received: MUI %d error_type %d peer "
+		MACSTR,
+		be_to_host16(error.mui), error_type,
+		MAC2STR(peer));
+
+	if (kde.mac_addr &&
+	    (error_type == STK_ERR_STA_NR || error_type == STK_ERR_STA_NRSN ||
+	     error_type == STK_ERR_CPHR_NS)) {
+		struct wpa_peerkey *peerkey;
+
+		for (peerkey = sm->peerkey; peerkey; peerkey = peerkey->next) {
+			if (os_memcmp(peerkey->addr, kde.mac_addr, ETH_ALEN) ==
+			    0)
+				break;
+		}
+		if (peerkey == NULL) {
+			wpa_printf(MSG_DEBUG, "RSN: No matching SMK handshake "
+				   "found for SMK Error");
+			return -1;
+		}
+		/* TODO: abort SMK/STK handshake and remove all related keys */
+	}
+
+	return 0;
+}
+
+
+static void wpa_supplicant_process_stk_1_of_4(struct wpa_sm *sm,
+					      struct wpa_peerkey *peerkey,
+					      const struct wpa_eapol_key *key,
+					      u16 ver)
+{
+	struct wpa_eapol_ie_parse ie;
+	const u8 *kde;
+	size_t len, kde_buf_len;
+	struct wpa_ptk *stk;
+	u8 buf[8], *kde_buf, *pos;
+	be32 lifetime;
+
+	wpa_printf(MSG_DEBUG, "RSN: RX message 1 of STK 4-Way Handshake from "
+		   MACSTR " (ver=%d)", MAC2STR(peerkey->addr), ver);
+
+	os_memset(&ie, 0, sizeof(ie));
+
+	/* RSN: msg 1/4 should contain SMKID for the selected SMK */
+	kde = (const u8 *) (key + 1);
+	len = WPA_GET_BE16(key->key_data_length);
+	wpa_hexdump(MSG_DEBUG, "RSN: msg 1/4 key data", kde, len);
+	if (wpa_supplicant_parse_ies(kde, len, &ie) < 0 || ie.pmkid == NULL) {
+		wpa_printf(MSG_DEBUG, "RSN: No SMKID in STK 1/4");
+		return;
+	}
+	if (os_memcmp(ie.pmkid, peerkey->smkid, PMKID_LEN) != 0) {
+		wpa_hexdump(MSG_DEBUG, "RSN: Unknown SMKID in STK 1/4",
+			    ie.pmkid, PMKID_LEN);
+		return;
+	}
+
+	if (random_get_bytes(peerkey->pnonce, WPA_NONCE_LEN)) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"RSN: Failed to get random data for PNonce");
+		return;
+	}
+	wpa_hexdump(MSG_DEBUG, "WPA: Renewed PNonce",
+		    peerkey->pnonce, WPA_NONCE_LEN);
+
+	/* Calculate STK which will be stored as a temporary STK until it has
+	 * been verified when processing message 3/4. */
+	stk = &peerkey->tstk;
+	wpa_pmk_to_ptk(peerkey->smk, PMK_LEN, "Peer key expansion",
+		       sm->own_addr, peerkey->addr,
+		       peerkey->pnonce, key->key_nonce,
+		       (u8 *) stk, sizeof(*stk),
+		       peerkey->use_sha256);
+	/* Supplicant: swap tx/rx Mic keys */
+	os_memcpy(buf, stk->u.auth.tx_mic_key, 8);
+	os_memcpy(stk->u.auth.tx_mic_key, stk->u.auth.rx_mic_key, 8);
+	os_memcpy(stk->u.auth.rx_mic_key, buf, 8);
+	peerkey->tstk_set = 1;
+
+	kde_buf_len = peerkey->rsnie_p_len +
+		2 + RSN_SELECTOR_LEN + sizeof(lifetime) +
+		2 + RSN_SELECTOR_LEN + PMKID_LEN;
+	kde_buf = os_malloc(kde_buf_len);
+	if (kde_buf == NULL)
+		return;
+	pos = kde_buf;
+	pos = wpa_add_ie(pos, peerkey->rsnie_p, peerkey->rsnie_p_len);
+	lifetime = host_to_be32(peerkey->lifetime);
+	pos = wpa_add_kde(pos, RSN_KEY_DATA_LIFETIME,
+			  (u8 *) &lifetime, sizeof(lifetime));
+	wpa_add_kde(pos, RSN_KEY_DATA_PMKID, peerkey->smkid, PMKID_LEN);
+
+	if (wpa_supplicant_send_2_of_4(sm, peerkey->addr, key, ver,
+				       peerkey->pnonce, kde_buf, kde_buf_len,
+				       stk)) {
+		os_free(kde_buf);
+		return;
+	}
+	os_free(kde_buf);
+
+	os_memcpy(peerkey->inonce, key->key_nonce, WPA_NONCE_LEN);
+}
+
+
+static void wpa_supplicant_update_smk_lifetime(struct wpa_sm *sm,
+					       struct wpa_peerkey *peerkey,
+					       struct wpa_eapol_ie_parse *kde)
+{
+	u32 lifetime;
+	struct os_time now;
+
+	if (kde->lifetime == NULL || kde->lifetime_len < sizeof(lifetime))
+		return;
+
+	lifetime = WPA_GET_BE32(kde->lifetime);
+
+	if (lifetime >= peerkey->lifetime) {
+		wpa_printf(MSG_DEBUG, "RSN: Peer used SMK lifetime %u seconds "
+			   "which is larger than or equal to own value %u "
+			   "seconds - ignored", lifetime, peerkey->lifetime);
+		return;
+	}
+
+	wpa_printf(MSG_DEBUG, "RSN: Peer used shorter SMK lifetime %u seconds "
+		   "(own was %u seconds) - updated",
+		   lifetime, peerkey->lifetime);
+	peerkey->lifetime = lifetime;
+
+	os_get_time(&now);
+	peerkey->expiration = now.sec + lifetime;
+	eloop_cancel_timeout(wpa_supplicant_smk_timeout, sm, peerkey);
+	eloop_register_timeout(lifetime, 0, wpa_supplicant_smk_timeout,
+			       sm, peerkey);
+}
+
+
+static void wpa_supplicant_process_stk_2_of_4(struct wpa_sm *sm,
+					      struct wpa_peerkey *peerkey,
+					      const struct wpa_eapol_key *key,
+					      u16 ver)
+{
+	struct wpa_eapol_ie_parse kde;
+	const u8 *keydata;
+	size_t len;
+
+	wpa_printf(MSG_DEBUG, "RSN: RX message 2 of STK 4-Way Handshake from "
+		   MACSTR " (ver=%d)", MAC2STR(peerkey->addr), ver);
+
+	os_memset(&kde, 0, sizeof(kde));
+
+	/* RSN: msg 2/4 should contain SMKID for the selected SMK and RSN IE
+	 * from the peer. It may also include Lifetime KDE. */
+	keydata = (const u8 *) (key + 1);
+	len = WPA_GET_BE16(key->key_data_length);
+	wpa_hexdump(MSG_DEBUG, "RSN: msg 2/4 key data", keydata, len);
+	if (wpa_supplicant_parse_ies(keydata, len, &kde) < 0 ||
+	    kde.pmkid == NULL || kde.rsn_ie == NULL) {
+		wpa_printf(MSG_DEBUG, "RSN: No SMKID or RSN IE in STK 2/4");
+		return;
+	}
+
+	if (os_memcmp(kde.pmkid, peerkey->smkid, PMKID_LEN) != 0) {
+		wpa_hexdump(MSG_DEBUG, "RSN: Unknown SMKID in STK 2/4",
+			    kde.pmkid, PMKID_LEN);
+		return;
+	}
+
+	if (kde.rsn_ie_len != peerkey->rsnie_p_len ||
+	    os_memcmp(kde.rsn_ie, peerkey->rsnie_p, kde.rsn_ie_len) != 0) {
+		wpa_printf(MSG_INFO, "RSN: Peer RSN IE in SMK and STK "
+			   "handshakes did not match");
+		wpa_hexdump(MSG_DEBUG, "RSN: Peer RSN IE in SMK handshake",
+			    peerkey->rsnie_p, peerkey->rsnie_p_len);
+		wpa_hexdump(MSG_DEBUG, "RSN: Peer RSN IE in STK handshake",
+			    kde.rsn_ie, kde.rsn_ie_len);
+		return;
+	}
+
+	wpa_supplicant_update_smk_lifetime(sm, peerkey, &kde);
+
+	wpa_supplicant_send_stk_3_of_4(sm, peerkey);
+	os_memcpy(peerkey->pnonce, key->key_nonce, WPA_NONCE_LEN);
+}
+
+
+static void wpa_supplicant_process_stk_3_of_4(struct wpa_sm *sm,
+					      struct wpa_peerkey *peerkey,
+					      const struct wpa_eapol_key *key,
+					      u16 ver)
+{
+	struct wpa_eapol_ie_parse kde;
+	const u8 *keydata;
+	size_t len, key_len;
+	const u8 *_key;
+	u8 key_buf[32], rsc[6];
+
+	wpa_printf(MSG_DEBUG, "RSN: RX message 3 of STK 4-Way Handshake from "
+		   MACSTR " (ver=%d)", MAC2STR(peerkey->addr), ver);
+
+	os_memset(&kde, 0, sizeof(kde));
+
+	/* RSN: msg 3/4 should contain Initiator RSN IE. It may also include
+	 * Lifetime KDE. */
+	keydata = (const u8 *) (key + 1);
+	len = WPA_GET_BE16(key->key_data_length);
+	wpa_hexdump(MSG_DEBUG, "RSN: msg 3/4 key data", keydata, len);
+	if (wpa_supplicant_parse_ies(keydata, len, &kde) < 0) {
+		wpa_printf(MSG_DEBUG, "RSN: Failed to parse key data in "
+			   "STK 3/4");
+		return;
+	}
+
+	if (kde.rsn_ie_len != peerkey->rsnie_i_len ||
+	    os_memcmp(kde.rsn_ie, peerkey->rsnie_i, kde.rsn_ie_len) != 0) {
+		wpa_printf(MSG_INFO, "RSN: Initiator RSN IE in SMK and STK "
+			   "handshakes did not match");
+		wpa_hexdump(MSG_DEBUG, "RSN: Initiator RSN IE in SMK "
+			    "handshake",
+			    peerkey->rsnie_i, peerkey->rsnie_i_len);
+		wpa_hexdump(MSG_DEBUG, "RSN: Initiator RSN IE in STK "
+			    "handshake",
+			    kde.rsn_ie, kde.rsn_ie_len);
+		return;
+	}
+
+	if (os_memcmp(peerkey->inonce, key->key_nonce, WPA_NONCE_LEN) != 0) {
+		wpa_printf(MSG_WARNING, "RSN: INonce from message 1 of STK "
+			   "4-Way Handshake differs from 3 of STK 4-Way "
+			   "Handshake - drop packet (src=" MACSTR ")",
+			   MAC2STR(peerkey->addr));
+		return;
+	}
+
+	wpa_supplicant_update_smk_lifetime(sm, peerkey, &kde);
+
+	if (wpa_supplicant_send_4_of_4(sm, peerkey->addr, key, ver,
+				       WPA_GET_BE16(key->key_info),
+				       NULL, 0, &peerkey->stk))
+		return;
+
+	_key = (u8 *) peerkey->stk.tk1;
+	if (peerkey->cipher == WPA_CIPHER_TKIP) {
+		/* Swap Tx/Rx keys for Michael MIC */
+		os_memcpy(key_buf, _key, 16);
+		os_memcpy(key_buf + 16, peerkey->stk.u.auth.rx_mic_key, 8);
+		os_memcpy(key_buf + 24, peerkey->stk.u.auth.tx_mic_key, 8);
+		_key = key_buf;
+		key_len = 32;
+	} else
+		key_len = 16;
+
+	os_memset(rsc, 0, 6);
+	if (wpa_sm_set_key(sm, peerkey->cipher, peerkey->addr, 0, 1,
+			   rsc, sizeof(rsc), _key, key_len) < 0) {
+		wpa_printf(MSG_WARNING, "RSN: Failed to set STK to the "
+			   "driver.");
+		return;
+	}
+}
+
+
+static void wpa_supplicant_process_stk_4_of_4(struct wpa_sm *sm,
+					      struct wpa_peerkey *peerkey,
+					      const struct wpa_eapol_key *key,
+					      u16 ver)
+{
+	u8 rsc[6];
+
+	wpa_printf(MSG_DEBUG, "RSN: RX message 4 of STK 4-Way Handshake from "
+		   MACSTR " (ver=%d)", MAC2STR(peerkey->addr), ver);
+
+	os_memset(rsc, 0, 6);
+	if (wpa_sm_set_key(sm, peerkey->cipher, peerkey->addr, 0, 1,
+			   rsc, sizeof(rsc), (u8 *) peerkey->stk.tk1,
+			   peerkey->cipher == WPA_CIPHER_TKIP ? 32 : 16) < 0) {
+		wpa_printf(MSG_WARNING, "RSN: Failed to set STK to the "
+			   "driver.");
+		return;
+	}
+}
+
+
+/**
+ * peerkey_verify_eapol_key_mic - Verify PeerKey MIC
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @peerkey: Pointer to the PeerKey data for the peer
+ * @key: Pointer to the EAPOL-Key frame header
+ * @ver: Version bits from EAPOL-Key Key Info
+ * @buf: Pointer to the beginning of EAPOL-Key frame
+ * @len: Length of the EAPOL-Key frame
+ * Returns: 0 on success, -1 on failure
+ */
+int peerkey_verify_eapol_key_mic(struct wpa_sm *sm,
+				 struct wpa_peerkey *peerkey,
+				 struct wpa_eapol_key *key, u16 ver,
+				 const u8 *buf, size_t len)
+{
+	u8 mic[16];
+	int ok = 0;
+
+	if (peerkey->initiator && !peerkey->stk_set) {
+		wpa_pmk_to_ptk(peerkey->smk, PMK_LEN, "Peer key expansion",
+			       sm->own_addr, peerkey->addr,
+			       peerkey->inonce, key->key_nonce,
+			       (u8 *) &peerkey->stk, sizeof(peerkey->stk),
+			       peerkey->use_sha256);
+		peerkey->stk_set = 1;
+	}
+
+	os_memcpy(mic, key->key_mic, 16);
+	if (peerkey->tstk_set) {
+		os_memset(key->key_mic, 0, 16);
+		wpa_eapol_key_mic(peerkey->tstk.kck, ver, buf, len,
+				  key->key_mic);
+		if (os_memcmp(mic, key->key_mic, 16) != 0) {
+			wpa_printf(MSG_WARNING, "RSN: Invalid EAPOL-Key MIC "
+				   "when using TSTK - ignoring TSTK");
+		} else {
+			ok = 1;
+			peerkey->tstk_set = 0;
+			peerkey->stk_set = 1;
+			os_memcpy(&peerkey->stk, &peerkey->tstk,
+				  sizeof(peerkey->stk));
+		}
+	}
+
+	if (!ok && peerkey->stk_set) {
+		os_memset(key->key_mic, 0, 16);
+		wpa_eapol_key_mic(peerkey->stk.kck, ver, buf, len,
+				  key->key_mic);
+		if (os_memcmp(mic, key->key_mic, 16) != 0) {
+			wpa_printf(MSG_WARNING, "RSN: Invalid EAPOL-Key MIC "
+				   "- dropping packet");
+			return -1;
+		}
+		ok = 1;
+	}
+
+	if (!ok) {
+		wpa_printf(MSG_WARNING, "RSN: Could not verify EAPOL-Key MIC "
+			   "- dropping packet");
+		return -1;
+	}
+
+	os_memcpy(peerkey->replay_counter, key->replay_counter,
+		  WPA_REPLAY_COUNTER_LEN);
+	peerkey->replay_counter_set = 1;
+	return 0;
+}
+
+
+/**
+ * wpa_sm_stkstart - Send EAPOL-Key Request for STK handshake (STK M1)
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @peer: MAC address of the peer STA
+ * Returns: 0 on success, or -1 on failure
+ *
+ * Send an EAPOL-Key Request to the current authenticator to start STK
+ * handshake with the peer.
+ */
+int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer)
+{
+	size_t rlen, kde_len;
+	struct wpa_eapol_key *req;
+	int key_info, ver;
+	u8 bssid[ETH_ALEN], *rbuf, *pos, *count_pos;
+	u16 count;
+	struct rsn_ie_hdr *hdr;
+	struct wpa_peerkey *peerkey;
+	struct wpa_ie_data ie;
+
+	if (sm->proto != WPA_PROTO_RSN || !sm->ptk_set || !sm->peerkey_enabled)
+		return -1;
+
+	if (sm->ap_rsn_ie &&
+	    wpa_parse_wpa_ie_rsn(sm->ap_rsn_ie, sm->ap_rsn_ie_len, &ie) == 0 &&
+	    !(ie.capabilities & WPA_CAPABILITY_PEERKEY_ENABLED)) {
+		wpa_printf(MSG_DEBUG, "RSN: Current AP does not support STK");
+		return -1;
+	}
+
+	if (sm->pairwise_cipher == WPA_CIPHER_CCMP)
+		ver = WPA_KEY_INFO_TYPE_HMAC_SHA1_AES;
+	else
+		ver = WPA_KEY_INFO_TYPE_HMAC_MD5_RC4;
+
+	if (wpa_sm_get_bssid(sm, bssid) < 0) {
+		wpa_printf(MSG_WARNING, "Failed to read BSSID for EAPOL-Key "
+			   "SMK M1");
+		return -1;
+	}
+
+	/* TODO: find existing entry and if found, use that instead of adding
+	 * a new one */
+	peerkey = os_zalloc(sizeof(*peerkey));
+	if (peerkey == NULL)
+		return -1;
+	peerkey->initiator = 1;
+	os_memcpy(peerkey->addr, peer, ETH_ALEN);
+#ifdef CONFIG_IEEE80211W
+	if (wpa_key_mgmt_sha256(sm->key_mgmt))
+		peerkey->use_sha256 = 1;
+#endif /* CONFIG_IEEE80211W */
+
+	/* SMK M1:
+	 * EAPOL-Key(S=1, M=1, A=0, I=0, K=0, SM=1, KeyRSC=0, Nonce=INonce,
+	 *           MIC=MIC, DataKDs=(RSNIE_I, MAC_P KDE))
+	 */
+
+	hdr = (struct rsn_ie_hdr *) peerkey->rsnie_i;
+	hdr->elem_id = WLAN_EID_RSN;
+	WPA_PUT_LE16(hdr->version, RSN_VERSION);
+	pos = (u8 *) (hdr + 1);
+	/* Group Suite can be anything for SMK RSN IE; receiver will just
+	 * ignore it. */
+	RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_CCMP);
+	pos += RSN_SELECTOR_LEN;
+	count_pos = pos;
+	pos += 2;
+
+	count = 0;
+	if (sm->allowed_pairwise_cipher & WPA_CIPHER_CCMP) {
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_CCMP);
+		pos += RSN_SELECTOR_LEN;
+		count++;
+	}
+	if (sm->allowed_pairwise_cipher & WPA_CIPHER_TKIP) {
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_TKIP);
+		pos += RSN_SELECTOR_LEN;
+		count++;
+	}
+	WPA_PUT_LE16(count_pos, count);
+
+	hdr->len = (pos - peerkey->rsnie_i) - 2;
+	peerkey->rsnie_i_len = pos - peerkey->rsnie_i;
+	wpa_hexdump(MSG_DEBUG, "WPA: RSN IE for SMK handshake",
+		    peerkey->rsnie_i, peerkey->rsnie_i_len);
+
+	kde_len = peerkey->rsnie_i_len + 2 + RSN_SELECTOR_LEN + ETH_ALEN;
+
+	rbuf = wpa_sm_alloc_eapol(sm, IEEE802_1X_TYPE_EAPOL_KEY, NULL,
+				  sizeof(*req) + kde_len, &rlen,
+				  (void *) &req);
+	if (rbuf == NULL) {
+		wpa_supplicant_peerkey_free(sm, peerkey);
+		return -1;
+	}
+
+	req->type = EAPOL_KEY_TYPE_RSN;
+	key_info = WPA_KEY_INFO_SMK_MESSAGE | WPA_KEY_INFO_MIC |
+		WPA_KEY_INFO_SECURE | WPA_KEY_INFO_REQUEST | ver;
+	WPA_PUT_BE16(req->key_info, key_info);
+	WPA_PUT_BE16(req->key_length, 0);
+	os_memcpy(req->replay_counter, sm->request_counter,
+		  WPA_REPLAY_COUNTER_LEN);
+	inc_byte_array(sm->request_counter, WPA_REPLAY_COUNTER_LEN);
+
+	if (random_get_bytes(peerkey->inonce, WPA_NONCE_LEN)) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"WPA: Failed to get random data for INonce");
+		os_free(rbuf);
+		wpa_supplicant_peerkey_free(sm, peerkey);
+		return -1;
+	}
+	os_memcpy(req->key_nonce, peerkey->inonce, WPA_NONCE_LEN);
+	wpa_hexdump(MSG_DEBUG, "WPA: INonce for SMK handshake",
+		    req->key_nonce, WPA_NONCE_LEN);
+
+	WPA_PUT_BE16(req->key_data_length, (u16) kde_len);
+	pos = (u8 *) (req + 1);
+
+	/* Initiator RSN IE */
+	pos = wpa_add_ie(pos, peerkey->rsnie_i, peerkey->rsnie_i_len);
+	/* Peer MAC address KDE */
+	wpa_add_kde(pos, RSN_KEY_DATA_MAC_ADDR, peer, ETH_ALEN);
+
+	wpa_printf(MSG_INFO, "RSN: Sending EAPOL-Key SMK M1 Request (peer "
+		   MACSTR ")", MAC2STR(peer));
+	wpa_eapol_key_send(sm, sm->ptk.kck, ver, bssid, ETH_P_EAPOL,
+			   rbuf, rlen, req->key_mic);
+
+	peerkey->next = sm->peerkey;
+	sm->peerkey = peerkey;
+
+	return 0;
+}
+
+
+/**
+ * peerkey_deinit - Free PeerKey values
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ */
+void peerkey_deinit(struct wpa_sm *sm)
+{
+	struct wpa_peerkey *prev, *peerkey = sm->peerkey;
+	while (peerkey) {
+		prev = peerkey;
+		peerkey = peerkey->next;
+		os_free(prev);
+	}
+	sm->peerkey = NULL;
+}
+
+
+void peerkey_rx_eapol_4way(struct wpa_sm *sm, struct wpa_peerkey *peerkey,
+			   struct wpa_eapol_key *key, u16 key_info, u16 ver)
+{
+	if ((key_info & (WPA_KEY_INFO_MIC | WPA_KEY_INFO_ACK)) ==
+	    (WPA_KEY_INFO_MIC | WPA_KEY_INFO_ACK)) {
+		/* 3/4 STK 4-Way Handshake */
+		wpa_supplicant_process_stk_3_of_4(sm, peerkey, key, ver);
+	} else if (key_info & WPA_KEY_INFO_ACK) {
+		/* 1/4 STK 4-Way Handshake */
+		wpa_supplicant_process_stk_1_of_4(sm, peerkey, key, ver);
+	} else if (key_info & WPA_KEY_INFO_SECURE) {
+		/* 4/4 STK 4-Way Handshake */
+		wpa_supplicant_process_stk_4_of_4(sm, peerkey, key, ver);
+	} else {
+		/* 2/4 STK 4-Way Handshake */
+		wpa_supplicant_process_stk_2_of_4(sm, peerkey, key, ver);
+	}
+}
+
+
+void peerkey_rx_eapol_smk(struct wpa_sm *sm, const u8 *src_addr,
+			  struct wpa_eapol_key *key, size_t extra_len,
+			  u16 key_info, u16 ver)
+{
+	if (key_info & WPA_KEY_INFO_ERROR) {
+		/* SMK Error */
+		wpa_supplicant_process_smk_error(sm, src_addr, key, extra_len);
+	} else if (key_info & WPA_KEY_INFO_ACK) {
+		/* SMK M2 */
+		wpa_supplicant_process_smk_m2(sm, src_addr, key, extra_len,
+					      ver);
+	} else {
+		/* SMK M4 or M5 */
+		wpa_supplicant_process_smk_m45(sm, src_addr, key, extra_len,
+					       ver);
+	}
+}
+
+#endif /* CONFIG_PEERKEY */
diff --git a/src/rsn_supp/peerkey.h b/src/rsn_supp/peerkey.h
new file mode 100644
index 0000000..2613127
--- /dev/null
+++ b/src/rsn_supp/peerkey.h
@@ -0,0 +1,87 @@
+/*
+ * WPA Supplicant - PeerKey for Direct Link Setup (DLS)
+ * Copyright (c) 2006-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef PEERKEY_H
+#define PEERKEY_H
+
+#define PEERKEY_MAX_IE_LEN 80
+struct wpa_peerkey {
+	struct wpa_peerkey *next;
+	int initiator; /* whether this end was initator for SMK handshake */
+	u8 addr[ETH_ALEN]; /* other end MAC address */
+	u8 inonce[WPA_NONCE_LEN]; /* Initiator Nonce */
+	u8 pnonce[WPA_NONCE_LEN]; /* Peer Nonce */
+	u8 rsnie_i[PEERKEY_MAX_IE_LEN]; /* Initiator RSN IE */
+	size_t rsnie_i_len;
+	u8 rsnie_p[PEERKEY_MAX_IE_LEN]; /* Peer RSN IE */
+	size_t rsnie_p_len;
+	u8 smk[PMK_LEN];
+	int smk_complete;
+	u8 smkid[PMKID_LEN];
+	u32 lifetime;
+	os_time_t expiration;
+	int cipher; /* Selected cipher (WPA_CIPHER_*) */
+	u8 replay_counter[WPA_REPLAY_COUNTER_LEN];
+	int replay_counter_set;
+	int use_sha256; /* whether AKMP indicate SHA256-based derivations */
+
+	struct wpa_ptk stk, tstk;
+	int stk_set, tstk_set;
+};
+
+
+#ifdef CONFIG_PEERKEY
+
+int peerkey_verify_eapol_key_mic(struct wpa_sm *sm,
+				 struct wpa_peerkey *peerkey,
+				 struct wpa_eapol_key *key, u16 ver,
+				 const u8 *buf, size_t len);
+void peerkey_rx_eapol_4way(struct wpa_sm *sm, struct wpa_peerkey *peerkey,
+			   struct wpa_eapol_key *key, u16 key_info, u16 ver);
+void peerkey_rx_eapol_smk(struct wpa_sm *sm, const u8 *src_addr,
+			  struct wpa_eapol_key *key, size_t extra_len,
+			  u16 key_info, u16 ver);
+void peerkey_deinit(struct wpa_sm *sm);
+
+#else /* CONFIG_PEERKEY */
+
+static inline int
+peerkey_verify_eapol_key_mic(struct wpa_sm *sm,
+			     struct wpa_peerkey *peerkey,
+			     struct wpa_eapol_key *key, u16 ver,
+			     const u8 *buf, size_t len)
+{
+	return -1;
+}
+
+static inline void
+peerkey_rx_eapol_4way(struct wpa_sm *sm, struct wpa_peerkey *peerkey,
+		      struct wpa_eapol_key *key, u16 key_info, u16 ver)
+{
+}
+
+static inline void
+peerkey_rx_eapol_smk(struct wpa_sm *sm, const u8 *src_addr,
+		     struct wpa_eapol_key *key, size_t extra_len,
+		     u16 key_info, u16 ver)
+{
+}
+
+static inline void peerkey_deinit(struct wpa_sm *sm)
+{
+}
+
+#endif /* CONFIG_PEERKEY */
+
+#endif /* PEERKEY_H */
diff --git a/src/rsn_supp/pmksa_cache.c b/src/rsn_supp/pmksa_cache.c
new file mode 100644
index 0000000..cac8c83
--- /dev/null
+++ b/src/rsn_supp/pmksa_cache.c
@@ -0,0 +1,476 @@
+/*
+ * WPA Supplicant - RSN PMKSA cache
+ * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eloop.h"
+#include "eapol_supp/eapol_supp_sm.h"
+#include "wpa.h"
+#include "wpa_i.h"
+#include "pmksa_cache.h"
+
+#if defined(IEEE8021X_EAPOL) && !defined(CONFIG_NO_WPA2)
+
+static const int pmksa_cache_max_entries = 32;
+
+struct rsn_pmksa_cache {
+	struct rsn_pmksa_cache_entry *pmksa; /* PMKSA cache */
+	int pmksa_count; /* number of entries in PMKSA cache */
+	struct wpa_sm *sm; /* TODO: get rid of this reference(?) */
+
+	void (*free_cb)(struct rsn_pmksa_cache_entry *entry, void *ctx,
+			int replace);
+	void *ctx;
+};
+
+
+static void pmksa_cache_set_expiration(struct rsn_pmksa_cache *pmksa);
+
+
+static void _pmksa_cache_free_entry(struct rsn_pmksa_cache_entry *entry)
+{
+	os_free(entry);
+}
+
+
+static void pmksa_cache_free_entry(struct rsn_pmksa_cache *pmksa,
+				   struct rsn_pmksa_cache_entry *entry,
+				   int replace)
+{
+	pmksa->pmksa_count--;
+	pmksa->free_cb(entry, pmksa->ctx, replace);
+	_pmksa_cache_free_entry(entry);
+}
+
+
+static void pmksa_cache_expire(void *eloop_ctx, void *timeout_ctx)
+{
+	struct rsn_pmksa_cache *pmksa = eloop_ctx;
+	struct os_time now;
+
+	os_get_time(&now);
+	while (pmksa->pmksa && pmksa->pmksa->expiration <= now.sec) {
+		struct rsn_pmksa_cache_entry *entry = pmksa->pmksa;
+		pmksa->pmksa = entry->next;
+		wpa_printf(MSG_DEBUG, "RSN: expired PMKSA cache entry for "
+			   MACSTR, MAC2STR(entry->aa));
+		pmksa_cache_free_entry(pmksa, entry, 0);
+	}
+
+	pmksa_cache_set_expiration(pmksa);
+}
+
+
+static void pmksa_cache_reauth(void *eloop_ctx, void *timeout_ctx)
+{
+	struct rsn_pmksa_cache *pmksa = eloop_ctx;
+	pmksa->sm->cur_pmksa = NULL;
+	eapol_sm_request_reauth(pmksa->sm->eapol);
+}
+
+
+static void pmksa_cache_set_expiration(struct rsn_pmksa_cache *pmksa)
+{
+	int sec;
+	struct rsn_pmksa_cache_entry *entry;
+	struct os_time now;
+
+	eloop_cancel_timeout(pmksa_cache_expire, pmksa, NULL);
+	eloop_cancel_timeout(pmksa_cache_reauth, pmksa, NULL);
+	if (pmksa->pmksa == NULL)
+		return;
+	os_get_time(&now);
+	sec = pmksa->pmksa->expiration - now.sec;
+	if (sec < 0)
+		sec = 0;
+	eloop_register_timeout(sec + 1, 0, pmksa_cache_expire, pmksa, NULL);
+
+	entry = pmksa->sm->cur_pmksa ? pmksa->sm->cur_pmksa :
+		pmksa_cache_get(pmksa, pmksa->sm->bssid, NULL);
+	if (entry) {
+		sec = pmksa->pmksa->reauth_time - now.sec;
+		if (sec < 0)
+			sec = 0;
+		eloop_register_timeout(sec, 0, pmksa_cache_reauth, pmksa,
+				       NULL);
+	}
+}
+
+
+/**
+ * pmksa_cache_add - Add a PMKSA cache entry
+ * @pmksa: Pointer to PMKSA cache data from pmksa_cache_init()
+ * @pmk: The new pairwise master key
+ * @pmk_len: PMK length in bytes, usually PMK_LEN (32)
+ * @aa: Authenticator address
+ * @spa: Supplicant address
+ * @network_ctx: Network configuration context for this PMK
+ * @akmp: WPA_KEY_MGMT_* used in key derivation
+ * Returns: Pointer to the added PMKSA cache entry or %NULL on error
+ *
+ * This function create a PMKSA entry for a new PMK and adds it to the PMKSA
+ * cache. If an old entry is already in the cache for the same Authenticator,
+ * this entry will be replaced with the new entry. PMKID will be calculated
+ * based on the PMK and the driver interface is notified of the new PMKID.
+ */
+struct rsn_pmksa_cache_entry *
+pmksa_cache_add(struct rsn_pmksa_cache *pmksa, const u8 *pmk, size_t pmk_len,
+		const u8 *aa, const u8 *spa, void *network_ctx, int akmp)
+{
+	struct rsn_pmksa_cache_entry *entry, *pos, *prev;
+	struct os_time now;
+
+	if (pmk_len > PMK_LEN)
+		return NULL;
+
+	entry = os_zalloc(sizeof(*entry));
+	if (entry == NULL)
+		return NULL;
+	os_memcpy(entry->pmk, pmk, pmk_len);
+	entry->pmk_len = pmk_len;
+	rsn_pmkid(pmk, pmk_len, aa, spa, entry->pmkid,
+		  wpa_key_mgmt_sha256(akmp));
+	os_get_time(&now);
+	entry->expiration = now.sec + pmksa->sm->dot11RSNAConfigPMKLifetime;
+	entry->reauth_time = now.sec + pmksa->sm->dot11RSNAConfigPMKLifetime *
+		pmksa->sm->dot11RSNAConfigPMKReauthThreshold / 100;
+	entry->akmp = akmp;
+	os_memcpy(entry->aa, aa, ETH_ALEN);
+	entry->network_ctx = network_ctx;
+
+	/* Replace an old entry for the same Authenticator (if found) with the
+	 * new entry */
+	pos = pmksa->pmksa;
+	prev = NULL;
+	while (pos) {
+		if (os_memcmp(aa, pos->aa, ETH_ALEN) == 0) {
+			if (pos->pmk_len == pmk_len &&
+			    os_memcmp(pos->pmk, pmk, pmk_len) == 0 &&
+			    os_memcmp(pos->pmkid, entry->pmkid, PMKID_LEN) ==
+			    0) {
+				wpa_printf(MSG_DEBUG, "WPA: reusing previous "
+					   "PMKSA entry");
+				os_free(entry);
+				return pos;
+			}
+			if (prev == NULL)
+				pmksa->pmksa = pos->next;
+			else
+				prev->next = pos->next;
+			if (pos == pmksa->sm->cur_pmksa) {
+				/* We are about to replace the current PMKSA
+				 * cache entry. This happens when the PMKSA
+				 * caching attempt fails, so we don't want to
+				 * force pmksa_cache_free_entry() to disconnect
+				 * at this point. Let's just make sure the old
+				 * PMKSA cache entry will not be used in the
+				 * future.
+				 */
+				wpa_printf(MSG_DEBUG, "RSN: replacing current "
+					   "PMKSA entry");
+				pmksa->sm->cur_pmksa = NULL;
+			}
+			wpa_printf(MSG_DEBUG, "RSN: Replace PMKSA entry for "
+				   "the current AP");
+			pmksa_cache_free_entry(pmksa, pos, 1);
+			break;
+		}
+		prev = pos;
+		pos = pos->next;
+	}
+
+	if (pmksa->pmksa_count >= pmksa_cache_max_entries && pmksa->pmksa) {
+		/* Remove the oldest entry to make room for the new entry */
+		pos = pmksa->pmksa;
+		pmksa->pmksa = pos->next;
+		wpa_printf(MSG_DEBUG, "RSN: removed the oldest PMKSA cache "
+			   "entry (for " MACSTR ") to make room for new one",
+			   MAC2STR(pos->aa));
+		wpa_sm_remove_pmkid(pmksa->sm, pos->aa, pos->pmkid);
+		pmksa_cache_free_entry(pmksa, pos, 0);
+	}
+
+	/* Add the new entry; order by expiration time */
+	pos = pmksa->pmksa;
+	prev = NULL;
+	while (pos) {
+		if (pos->expiration > entry->expiration)
+			break;
+		prev = pos;
+		pos = pos->next;
+	}
+	if (prev == NULL) {
+		entry->next = pmksa->pmksa;
+		pmksa->pmksa = entry;
+		pmksa_cache_set_expiration(pmksa);
+	} else {
+		entry->next = prev->next;
+		prev->next = entry;
+	}
+	pmksa->pmksa_count++;
+	wpa_printf(MSG_DEBUG, "RSN: added PMKSA cache entry for " MACSTR,
+		   MAC2STR(entry->aa));
+	wpa_sm_add_pmkid(pmksa->sm, entry->aa, entry->pmkid);
+
+	return entry;
+}
+
+
+/**
+ * pmksa_cache_deinit - Free all entries in PMKSA cache
+ * @pmksa: Pointer to PMKSA cache data from pmksa_cache_init()
+ */
+void pmksa_cache_deinit(struct rsn_pmksa_cache *pmksa)
+{
+	struct rsn_pmksa_cache_entry *entry, *prev;
+
+	if (pmksa == NULL)
+		return;
+
+	entry = pmksa->pmksa;
+	pmksa->pmksa = NULL;
+	while (entry) {
+		prev = entry;
+		entry = entry->next;
+		os_free(prev);
+	}
+	pmksa_cache_set_expiration(pmksa);
+	os_free(pmksa);
+}
+
+
+/**
+ * pmksa_cache_get - Fetch a PMKSA cache entry
+ * @pmksa: Pointer to PMKSA cache data from pmksa_cache_init()
+ * @aa: Authenticator address or %NULL to match any
+ * @pmkid: PMKID or %NULL to match any
+ * Returns: Pointer to PMKSA cache entry or %NULL if no match was found
+ */
+struct rsn_pmksa_cache_entry * pmksa_cache_get(struct rsn_pmksa_cache *pmksa,
+					       const u8 *aa, const u8 *pmkid)
+{
+	struct rsn_pmksa_cache_entry *entry = pmksa->pmksa;
+	while (entry) {
+		if ((aa == NULL || os_memcmp(entry->aa, aa, ETH_ALEN) == 0) &&
+		    (pmkid == NULL ||
+		     os_memcmp(entry->pmkid, pmkid, PMKID_LEN) == 0))
+			return entry;
+		entry = entry->next;
+	}
+	return NULL;
+}
+
+
+/**
+ * pmksa_cache_notify_reconfig - Reconfiguration notification for PMKSA cache
+ * @pmksa: Pointer to PMKSA cache data from pmksa_cache_init()
+ *
+ * Clear references to old data structures when wpa_supplicant is reconfigured.
+ */
+void pmksa_cache_notify_reconfig(struct rsn_pmksa_cache *pmksa)
+{
+	struct rsn_pmksa_cache_entry *entry = pmksa->pmksa;
+	while (entry) {
+		entry->network_ctx = NULL;
+		entry = entry->next;
+	}
+}
+
+
+static struct rsn_pmksa_cache_entry *
+pmksa_cache_clone_entry(struct rsn_pmksa_cache *pmksa,
+			const struct rsn_pmksa_cache_entry *old_entry,
+			const u8 *aa)
+{
+	struct rsn_pmksa_cache_entry *new_entry;
+
+	new_entry = pmksa_cache_add(pmksa, old_entry->pmk, old_entry->pmk_len,
+				    aa, pmksa->sm->own_addr,
+				    old_entry->network_ctx, old_entry->akmp);
+	if (new_entry == NULL)
+		return NULL;
+
+	/* TODO: reorder entries based on expiration time? */
+	new_entry->expiration = old_entry->expiration;
+	new_entry->opportunistic = 1;
+
+	return new_entry;
+}
+
+
+/**
+ * pmksa_cache_get_opportunistic - Try to get an opportunistic PMKSA entry
+ * @pmksa: Pointer to PMKSA cache data from pmksa_cache_init()
+ * @network_ctx: Network configuration context
+ * @aa: Authenticator address for the new AP
+ * Returns: Pointer to a new PMKSA cache entry or %NULL if not available
+ *
+ * Try to create a new PMKSA cache entry opportunistically by guessing that the
+ * new AP is sharing the same PMK as another AP that has the same SSID and has
+ * already an entry in PMKSA cache.
+ */
+struct rsn_pmksa_cache_entry *
+pmksa_cache_get_opportunistic(struct rsn_pmksa_cache *pmksa, void *network_ctx,
+			      const u8 *aa)
+{
+	struct rsn_pmksa_cache_entry *entry = pmksa->pmksa;
+
+	if (network_ctx == NULL)
+		return NULL;
+	while (entry) {
+		if (entry->network_ctx == network_ctx) {
+			entry = pmksa_cache_clone_entry(pmksa, entry, aa);
+			if (entry) {
+				wpa_printf(MSG_DEBUG, "RSN: added "
+					   "opportunistic PMKSA cache entry "
+					   "for " MACSTR, MAC2STR(aa));
+			}
+			return entry;
+		}
+		entry = entry->next;
+	}
+	return NULL;
+}
+
+
+/**
+ * pmksa_cache_get_current - Get the current used PMKSA entry
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * Returns: Pointer to the current PMKSA cache entry or %NULL if not available
+ */
+struct rsn_pmksa_cache_entry * pmksa_cache_get_current(struct wpa_sm *sm)
+{
+	if (sm == NULL)
+		return NULL;
+	return sm->cur_pmksa;
+}
+
+
+/**
+ * pmksa_cache_clear_current - Clear the current PMKSA entry selection
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ */
+void pmksa_cache_clear_current(struct wpa_sm *sm)
+{
+	if (sm == NULL)
+		return;
+	sm->cur_pmksa = NULL;
+}
+
+
+/**
+ * pmksa_cache_set_current - Set the current PMKSA entry selection
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @pmkid: PMKID for selecting PMKSA or %NULL if not used
+ * @bssid: BSSID for PMKSA or %NULL if not used
+ * @network_ctx: Network configuration context
+ * @try_opportunistic: Whether to allow opportunistic PMKSA caching
+ * Returns: 0 if PMKSA was found or -1 if no matching entry was found
+ */
+int pmksa_cache_set_current(struct wpa_sm *sm, const u8 *pmkid,
+			    const u8 *bssid, void *network_ctx,
+			    int try_opportunistic)
+{
+	struct rsn_pmksa_cache *pmksa = sm->pmksa;
+	sm->cur_pmksa = NULL;
+	if (pmkid)
+		sm->cur_pmksa = pmksa_cache_get(pmksa, NULL, pmkid);
+	if (sm->cur_pmksa == NULL && bssid)
+		sm->cur_pmksa = pmksa_cache_get(pmksa, bssid, NULL);
+	if (sm->cur_pmksa == NULL && try_opportunistic && bssid)
+		sm->cur_pmksa = pmksa_cache_get_opportunistic(pmksa,
+							      network_ctx,
+							      bssid);
+	if (sm->cur_pmksa) {
+		wpa_hexdump(MSG_DEBUG, "RSN: PMKID",
+			    sm->cur_pmksa->pmkid, PMKID_LEN);
+		return 0;
+	}
+	return -1;
+}
+
+
+/**
+ * pmksa_cache_list - Dump text list of entries in PMKSA cache
+ * @pmksa: Pointer to PMKSA cache data from pmksa_cache_init()
+ * @buf: Buffer for the list
+ * @len: Length of the buffer
+ * Returns: number of bytes written to buffer
+ *
+ * This function is used to generate a text format representation of the
+ * current PMKSA cache contents for the ctrl_iface PMKSA command.
+ */
+int pmksa_cache_list(struct rsn_pmksa_cache *pmksa, char *buf, size_t len)
+{
+	int i, ret;
+	char *pos = buf;
+	struct rsn_pmksa_cache_entry *entry;
+	struct os_time now;
+
+	os_get_time(&now);
+	ret = os_snprintf(pos, buf + len - pos,
+			  "Index / AA / PMKID / expiration (in seconds) / "
+			  "opportunistic\n");
+	if (ret < 0 || ret >= buf + len - pos)
+		return pos - buf;
+	pos += ret;
+	i = 0;
+	entry = pmksa->pmksa;
+	while (entry) {
+		i++;
+		ret = os_snprintf(pos, buf + len - pos, "%d " MACSTR " ",
+				  i, MAC2STR(entry->aa));
+		if (ret < 0 || ret >= buf + len - pos)
+			return pos - buf;
+		pos += ret;
+		pos += wpa_snprintf_hex(pos, buf + len - pos, entry->pmkid,
+					PMKID_LEN);
+		ret = os_snprintf(pos, buf + len - pos, " %d %d\n",
+				  (int) (entry->expiration - now.sec),
+				  entry->opportunistic);
+		if (ret < 0 || ret >= buf + len - pos)
+			return pos - buf;
+		pos += ret;
+		entry = entry->next;
+	}
+	return pos - buf;
+}
+
+
+/**
+ * pmksa_cache_init - Initialize PMKSA cache
+ * @free_cb: Callback function to be called when a PMKSA cache entry is freed
+ * @ctx: Context pointer for free_cb function
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * Returns: Pointer to PMKSA cache data or %NULL on failure
+ */
+struct rsn_pmksa_cache *
+pmksa_cache_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry,
+				 void *ctx, int replace),
+		 void *ctx, struct wpa_sm *sm)
+{
+	struct rsn_pmksa_cache *pmksa;
+
+	pmksa = os_zalloc(sizeof(*pmksa));
+	if (pmksa) {
+		pmksa->free_cb = free_cb;
+		pmksa->ctx = ctx;
+		pmksa->sm = sm;
+	}
+
+	return pmksa;
+}
+
+#endif /* IEEE8021X_EAPOL and !CONFIG_NO_WPA2 */
diff --git a/src/rsn_supp/pmksa_cache.h b/src/rsn_supp/pmksa_cache.h
new file mode 100644
index 0000000..a1447e5
--- /dev/null
+++ b/src/rsn_supp/pmksa_cache.h
@@ -0,0 +1,127 @@
+/*
+ * wpa_supplicant - WPA2/RSN PMKSA cache functions
+ * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef PMKSA_CACHE_H
+#define PMKSA_CACHE_H
+
+/**
+ * struct rsn_pmksa_cache_entry - PMKSA cache entry
+ */
+struct rsn_pmksa_cache_entry {
+	struct rsn_pmksa_cache_entry *next;
+	u8 pmkid[PMKID_LEN];
+	u8 pmk[PMK_LEN];
+	size_t pmk_len;
+	os_time_t expiration;
+	int akmp; /* WPA_KEY_MGMT_* */
+	u8 aa[ETH_ALEN];
+
+	os_time_t reauth_time;
+
+	/**
+	 * network_ctx - Network configuration context
+	 *
+	 * This field is only used to match PMKSA cache entries to a specific
+	 * network configuration (e.g., a specific SSID and security policy).
+	 * This can be a pointer to the configuration entry, but PMKSA caching
+	 * code does not dereference the value and this could be any kind of
+	 * identifier.
+	 */
+	void *network_ctx;
+	int opportunistic;
+};
+
+struct rsn_pmksa_cache;
+
+#if defined(IEEE8021X_EAPOL) && !defined(CONFIG_NO_WPA2)
+
+struct rsn_pmksa_cache *
+pmksa_cache_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry,
+				 void *ctx, int replace),
+		 void *ctx, struct wpa_sm *sm);
+void pmksa_cache_deinit(struct rsn_pmksa_cache *pmksa);
+struct rsn_pmksa_cache_entry * pmksa_cache_get(struct rsn_pmksa_cache *pmksa,
+					       const u8 *aa, const u8 *pmkid);
+int pmksa_cache_list(struct rsn_pmksa_cache *pmksa, char *buf, size_t len);
+struct rsn_pmksa_cache_entry *
+pmksa_cache_add(struct rsn_pmksa_cache *pmksa, const u8 *pmk, size_t pmk_len,
+		const u8 *aa, const u8 *spa, void *network_ctx, int akmp);
+void pmksa_cache_notify_reconfig(struct rsn_pmksa_cache *pmksa);
+struct rsn_pmksa_cache_entry * pmksa_cache_get_current(struct wpa_sm *sm);
+void pmksa_cache_clear_current(struct wpa_sm *sm);
+int pmksa_cache_set_current(struct wpa_sm *sm, const u8 *pmkid,
+			    const u8 *bssid, void *network_ctx,
+			    int try_opportunistic);
+struct rsn_pmksa_cache_entry *
+pmksa_cache_get_opportunistic(struct rsn_pmksa_cache *pmksa,
+			      void *network_ctx, const u8 *aa);
+
+#else /* IEEE8021X_EAPOL and !CONFIG_NO_WPA2 */
+
+static inline struct rsn_pmksa_cache *
+pmksa_cache_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry,
+				 void *ctx, int replace),
+		 void *ctx, struct wpa_sm *sm)
+{
+	return (void *) -1;
+}
+
+static inline void pmksa_cache_deinit(struct rsn_pmksa_cache *pmksa)
+{
+}
+
+static inline struct rsn_pmksa_cache_entry *
+pmksa_cache_get(struct rsn_pmksa_cache *pmksa, const u8 *aa, const u8 *pmkid)
+{
+	return NULL;
+}
+
+static inline struct rsn_pmksa_cache_entry *
+pmksa_cache_get_current(struct wpa_sm *sm)
+{
+	return NULL;
+}
+
+static inline int pmksa_cache_list(struct rsn_pmksa_cache *pmksa, char *buf,
+				   size_t len)
+{
+	return -1;
+}
+
+static inline struct rsn_pmksa_cache_entry *
+pmksa_cache_add(struct rsn_pmksa_cache *pmksa, const u8 *pmk, size_t pmk_len,
+		const u8 *aa, const u8 *spa, void *network_ctx, int akmp)
+{
+	return NULL;
+}
+
+static inline void pmksa_cache_notify_reconfig(struct rsn_pmksa_cache *pmksa)
+{
+}
+
+static inline void pmksa_cache_clear_current(struct wpa_sm *sm)
+{
+}
+
+static inline int pmksa_cache_set_current(struct wpa_sm *sm, const u8 *pmkid,
+					  const u8 *bssid,
+					  void *network_ctx,
+					  int try_opportunistic)
+{
+	return -1;
+}
+
+#endif /* IEEE8021X_EAPOL and !CONFIG_NO_WPA2 */
+
+#endif /* PMKSA_CACHE_H */
diff --git a/src/rsn_supp/preauth.c b/src/rsn_supp/preauth.c
new file mode 100644
index 0000000..6109f5e
--- /dev/null
+++ b/src/rsn_supp/preauth.c
@@ -0,0 +1,518 @@
+/*
+ * RSN pre-authentication (supplicant)
+ * Copyright (c) 2003-2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "wpa.h"
+#include "eloop.h"
+#include "l2_packet/l2_packet.h"
+#include "eapol_supp/eapol_supp_sm.h"
+#include "preauth.h"
+#include "pmksa_cache.h"
+#include "wpa_i.h"
+#include "common/ieee802_11_defs.h"
+
+
+#if defined(IEEE8021X_EAPOL) && !defined(CONFIG_NO_WPA2)
+
+#define PMKID_CANDIDATE_PRIO_SCAN 1000
+
+
+struct rsn_pmksa_candidate {
+	struct dl_list list;
+	u8 bssid[ETH_ALEN];
+	int priority;
+};
+
+
+/**
+ * pmksa_candidate_free - Free all entries in PMKSA candidate list
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ */
+void pmksa_candidate_free(struct wpa_sm *sm)
+{
+	struct rsn_pmksa_candidate *entry, *n;
+
+	if (sm == NULL)
+		return;
+
+	dl_list_for_each_safe(entry, n, &sm->pmksa_candidates,
+			      struct rsn_pmksa_candidate, list) {
+		dl_list_del(&entry->list);
+		os_free(entry);
+	}
+}
+
+
+static void rsn_preauth_receive(void *ctx, const u8 *src_addr,
+				const u8 *buf, size_t len)
+{
+	struct wpa_sm *sm = ctx;
+
+	wpa_printf(MSG_DEBUG, "RX pre-auth from " MACSTR, MAC2STR(src_addr));
+	wpa_hexdump(MSG_MSGDUMP, "RX pre-auth", buf, len);
+
+	if (sm->preauth_eapol == NULL ||
+	    is_zero_ether_addr(sm->preauth_bssid) ||
+	    os_memcmp(sm->preauth_bssid, src_addr, ETH_ALEN) != 0) {
+		wpa_printf(MSG_WARNING, "RSN pre-auth frame received from "
+			   "unexpected source " MACSTR " - dropped",
+			   MAC2STR(src_addr));
+		return;
+	}
+
+	eapol_sm_rx_eapol(sm->preauth_eapol, src_addr, buf, len);
+}
+
+
+static void rsn_preauth_eapol_cb(struct eapol_sm *eapol, int success,
+				 void *ctx)
+{
+	struct wpa_sm *sm = ctx;
+	u8 pmk[PMK_LEN];
+
+	if (success) {
+		int res, pmk_len;
+		pmk_len = PMK_LEN;
+		res = eapol_sm_get_key(eapol, pmk, PMK_LEN);
+		if (res) {
+			/*
+			 * EAP-LEAP is an exception from other EAP methods: it
+			 * uses only 16-byte PMK.
+			 */
+			res = eapol_sm_get_key(eapol, pmk, 16);
+			pmk_len = 16;
+		}
+		if (res == 0) {
+			wpa_hexdump_key(MSG_DEBUG, "RSN: PMK from pre-auth",
+					pmk, pmk_len);
+			sm->pmk_len = pmk_len;
+			pmksa_cache_add(sm->pmksa, pmk, pmk_len,
+					sm->preauth_bssid, sm->own_addr,
+					sm->network_ctx,
+					WPA_KEY_MGMT_IEEE8021X);
+		} else {
+			wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+				"RSN: failed to get master session key from "
+				"pre-auth EAPOL state machines");
+			success = 0;
+		}
+	}
+
+	wpa_msg(sm->ctx->msg_ctx, MSG_INFO, "RSN: pre-authentication with "
+		MACSTR " %s", MAC2STR(sm->preauth_bssid),
+		success ? "completed successfully" : "failed");
+
+	rsn_preauth_deinit(sm);
+	rsn_preauth_candidate_process(sm);
+}
+
+
+static void rsn_preauth_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_sm *sm = eloop_ctx;
+
+	wpa_msg(sm->ctx->msg_ctx, MSG_INFO, "RSN: pre-authentication with "
+		MACSTR " timed out", MAC2STR(sm->preauth_bssid));
+	rsn_preauth_deinit(sm);
+	rsn_preauth_candidate_process(sm);
+}
+
+
+static int rsn_preauth_eapol_send(void *ctx, int type, const u8 *buf,
+				  size_t len)
+{
+	struct wpa_sm *sm = ctx;
+	u8 *msg;
+	size_t msglen;
+	int res;
+
+	/* TODO: could add l2_packet_sendmsg that allows fragments to avoid
+	 * extra copy here */
+
+	if (sm->l2_preauth == NULL)
+		return -1;
+
+	msg = wpa_sm_alloc_eapol(sm, type, buf, len, &msglen, NULL);
+	if (msg == NULL)
+		return -1;
+
+	wpa_hexdump(MSG_MSGDUMP, "TX EAPOL (preauth)", msg, msglen);
+	res = l2_packet_send(sm->l2_preauth, sm->preauth_bssid,
+			     ETH_P_RSN_PREAUTH, msg, msglen);
+	os_free(msg);
+	return res;
+}
+
+
+/**
+ * rsn_preauth_init - Start new RSN pre-authentication
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @dst: Authenticator address (BSSID) with which to preauthenticate
+ * @eap_conf: Current EAP configuration
+ * Returns: 0 on success, -1 on another pre-authentication is in progress,
+ * -2 on layer 2 packet initialization failure, -3 on EAPOL state machine
+ * initialization failure, -4 on memory allocation failure
+ *
+ * This function request an RSN pre-authentication with a given destination
+ * address. This is usually called for PMKSA candidates found from scan results
+ * or from driver reports. In addition, ctrl_iface PREAUTH command can trigger
+ * pre-authentication.
+ */
+int rsn_preauth_init(struct wpa_sm *sm, const u8 *dst,
+		     struct eap_peer_config *eap_conf)
+{
+	struct eapol_config eapol_conf;
+	struct eapol_ctx *ctx;
+
+	if (sm->preauth_eapol)
+		return -1;
+
+	wpa_msg(sm->ctx->msg_ctx, MSG_DEBUG,
+		"RSN: starting pre-authentication with " MACSTR, MAC2STR(dst));
+
+	sm->l2_preauth = l2_packet_init(sm->ifname, sm->own_addr,
+					ETH_P_RSN_PREAUTH,
+					rsn_preauth_receive, sm, 0);
+	if (sm->l2_preauth == NULL) {
+		wpa_printf(MSG_WARNING, "RSN: Failed to initialize L2 packet "
+			   "processing for pre-authentication");
+		return -2;
+	}
+
+	if (sm->bridge_ifname) {
+		sm->l2_preauth_br = l2_packet_init(sm->bridge_ifname,
+						   sm->own_addr,
+						   ETH_P_RSN_PREAUTH,
+						   rsn_preauth_receive, sm, 0);
+		if (sm->l2_preauth_br == NULL) {
+			wpa_printf(MSG_WARNING, "RSN: Failed to initialize L2 "
+				   "packet processing (bridge) for "
+				   "pre-authentication");
+			return -2;
+		}
+	}
+
+	ctx = os_zalloc(sizeof(*ctx));
+	if (ctx == NULL) {
+		wpa_printf(MSG_WARNING, "Failed to allocate EAPOL context.");
+		return -4;
+	}
+	ctx->ctx = sm->ctx->ctx;
+	ctx->msg_ctx = sm->ctx->ctx;
+	ctx->preauth = 1;
+	ctx->cb = rsn_preauth_eapol_cb;
+	ctx->cb_ctx = sm;
+	ctx->scard_ctx = sm->scard_ctx;
+	ctx->eapol_send = rsn_preauth_eapol_send;
+	ctx->eapol_send_ctx = sm;
+	ctx->set_config_blob = sm->ctx->set_config_blob;
+	ctx->get_config_blob = sm->ctx->get_config_blob;
+
+	sm->preauth_eapol = eapol_sm_init(ctx);
+	if (sm->preauth_eapol == NULL) {
+		os_free(ctx);
+		wpa_printf(MSG_WARNING, "RSN: Failed to initialize EAPOL "
+			   "state machines for pre-authentication");
+		return -3;
+	}
+	os_memset(&eapol_conf, 0, sizeof(eapol_conf));
+	eapol_conf.accept_802_1x_keys = 0;
+	eapol_conf.required_keys = 0;
+	eapol_conf.fast_reauth = sm->fast_reauth;
+	eapol_conf.workaround = sm->eap_workaround;
+	eapol_sm_notify_config(sm->preauth_eapol, eap_conf, &eapol_conf);
+	/*
+	 * Use a shorter startPeriod with preauthentication since the first
+	 * preauth EAPOL-Start frame may end up being dropped due to race
+	 * condition in the AP between the data receive and key configuration
+	 * after the 4-Way Handshake.
+	 */
+	eapol_sm_configure(sm->preauth_eapol, -1, -1, 5, 6);
+	os_memcpy(sm->preauth_bssid, dst, ETH_ALEN);
+
+	eapol_sm_notify_portValid(sm->preauth_eapol, TRUE);
+	/* 802.1X::portControl = Auto */
+	eapol_sm_notify_portEnabled(sm->preauth_eapol, TRUE);
+
+	eloop_register_timeout(sm->dot11RSNAConfigSATimeout, 0,
+			       rsn_preauth_timeout, sm, NULL);
+
+	return 0;
+}
+
+
+/**
+ * rsn_preauth_deinit - Abort RSN pre-authentication
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ *
+ * This function aborts the current RSN pre-authentication (if one is started)
+ * and frees resources allocated for it.
+ */
+void rsn_preauth_deinit(struct wpa_sm *sm)
+{
+	if (sm == NULL || !sm->preauth_eapol)
+		return;
+
+	eloop_cancel_timeout(rsn_preauth_timeout, sm, NULL);
+	eapol_sm_deinit(sm->preauth_eapol);
+	sm->preauth_eapol = NULL;
+	os_memset(sm->preauth_bssid, 0, ETH_ALEN);
+
+	l2_packet_deinit(sm->l2_preauth);
+	sm->l2_preauth = NULL;
+	if (sm->l2_preauth_br) {
+		l2_packet_deinit(sm->l2_preauth_br);
+		sm->l2_preauth_br = NULL;
+	}
+}
+
+
+/**
+ * rsn_preauth_candidate_process - Process PMKSA candidates
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ *
+ * Go through the PMKSA candidates and start pre-authentication if a candidate
+ * without an existing PMKSA cache entry is found. Processed candidates will be
+ * removed from the list.
+ */
+void rsn_preauth_candidate_process(struct wpa_sm *sm)
+{
+	struct rsn_pmksa_candidate *candidate, *n;
+
+	if (dl_list_empty(&sm->pmksa_candidates))
+		return;
+
+	/* TODO: drop priority for old candidate entries */
+
+	wpa_msg(sm->ctx->msg_ctx, MSG_DEBUG, "RSN: processing PMKSA candidate "
+		"list");
+	if (sm->preauth_eapol ||
+	    sm->proto != WPA_PROTO_RSN ||
+	    wpa_sm_get_state(sm) != WPA_COMPLETED ||
+	    (sm->key_mgmt != WPA_KEY_MGMT_IEEE8021X &&
+	     sm->key_mgmt != WPA_KEY_MGMT_IEEE8021X_SHA256)) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_DEBUG, "RSN: not in suitable "
+			"state for new pre-authentication");
+		return; /* invalid state for new pre-auth */
+	}
+
+	dl_list_for_each_safe(candidate, n, &sm->pmksa_candidates,
+			      struct rsn_pmksa_candidate, list) {
+		struct rsn_pmksa_cache_entry *p = NULL;
+		p = pmksa_cache_get(sm->pmksa, candidate->bssid, NULL);
+		if (os_memcmp(sm->bssid, candidate->bssid, ETH_ALEN) != 0 &&
+		    (p == NULL || p->opportunistic)) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_DEBUG, "RSN: PMKSA "
+				"candidate " MACSTR
+				" selected for pre-authentication",
+				MAC2STR(candidate->bssid));
+			dl_list_del(&candidate->list);
+			rsn_preauth_init(sm, candidate->bssid,
+					 sm->eap_conf_ctx);
+			os_free(candidate);
+			return;
+		}
+		wpa_msg(sm->ctx->msg_ctx, MSG_DEBUG, "RSN: PMKSA candidate "
+			MACSTR " does not need pre-authentication anymore",
+			MAC2STR(candidate->bssid));
+		/* Some drivers (e.g., NDIS) expect to get notified about the
+		 * PMKIDs again, so report the existing data now. */
+		if (p) {
+			wpa_sm_add_pmkid(sm, candidate->bssid, p->pmkid);
+		}
+
+		dl_list_del(&candidate->list);
+		os_free(candidate);
+	}
+	wpa_msg(sm->ctx->msg_ctx, MSG_DEBUG, "RSN: no more pending PMKSA "
+		"candidates");
+}
+
+
+/**
+ * pmksa_candidate_add - Add a new PMKSA candidate
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @bssid: BSSID (authenticator address) of the candidate
+ * @prio: Priority (the smaller number, the higher priority)
+ * @preauth: Whether the candidate AP advertises support for pre-authentication
+ *
+ * This function is used to add PMKSA candidates for RSN pre-authentication. It
+ * is called from scan result processing and from driver events for PMKSA
+ * candidates, i.e., EVENT_PMKID_CANDIDATE events to wpa_supplicant_event().
+ */
+void pmksa_candidate_add(struct wpa_sm *sm, const u8 *bssid,
+			 int prio, int preauth)
+{
+	struct rsn_pmksa_candidate *cand, *pos;
+
+	if (sm->network_ctx && sm->proactive_key_caching)
+		pmksa_cache_get_opportunistic(sm->pmksa, sm->network_ctx,
+					      bssid);
+
+	if (!preauth) {
+		wpa_printf(MSG_DEBUG, "RSN: Ignored PMKID candidate without "
+			   "preauth flag");
+		return;
+	}
+
+	/* If BSSID already on candidate list, update the priority of the old
+	 * entry. Do not override priority based on normal scan results. */
+	cand = NULL;
+	dl_list_for_each(pos, &sm->pmksa_candidates,
+			 struct rsn_pmksa_candidate, list) {
+		if (os_memcmp(pos->bssid, bssid, ETH_ALEN) == 0) {
+			cand = pos;
+			break;
+		}
+	}
+
+	if (cand) {
+		dl_list_del(&cand->list);
+		if (prio < PMKID_CANDIDATE_PRIO_SCAN)
+			cand->priority = prio;
+	} else {
+		cand = os_zalloc(sizeof(*cand));
+		if (cand == NULL)
+			return;
+		os_memcpy(cand->bssid, bssid, ETH_ALEN);
+		cand->priority = prio;
+	}
+
+	/* Add candidate to the list; order by increasing priority value. i.e.,
+	 * highest priority (smallest value) first. */
+	dl_list_for_each(pos, &sm->pmksa_candidates,
+			 struct rsn_pmksa_candidate, list) {
+		if (cand->priority <= pos->priority) {
+			dl_list_add(pos->list.prev, &cand->list);
+			cand = NULL;
+			break;
+		}
+	}
+	if (cand)
+		dl_list_add_tail(&sm->pmksa_candidates, &cand->list);
+
+	wpa_msg(sm->ctx->msg_ctx, MSG_DEBUG, "RSN: added PMKSA cache "
+		"candidate " MACSTR " prio %d", MAC2STR(bssid), prio);
+	rsn_preauth_candidate_process(sm);
+}
+
+
+/* TODO: schedule periodic scans if current AP supports preauth */
+
+/**
+ * rsn_preauth_scan_results - Start processing scan results for canditates
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * Returns: 0 if ready to process results or -1 to skip processing
+ *
+ * This functions is used to notify RSN code about start of new scan results
+ * processing. The actual scan results will be provided by calling
+ * rsn_preauth_scan_result() for each BSS if this function returned 0.
+ */
+int rsn_preauth_scan_results(struct wpa_sm *sm)
+{
+	if (sm->ssid_len == 0)
+		return -1;
+
+	/*
+	 * TODO: is it ok to free all candidates? What about the entries
+	 * received from EVENT_PMKID_CANDIDATE?
+	 */
+	pmksa_candidate_free(sm);
+
+	return 0;
+}
+
+
+/**
+ * rsn_preauth_scan_result - Processing scan result for PMKSA canditates
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ *
+ * Add all suitable APs (Authenticators) from scan results into PMKSA
+ * candidate list.
+ */
+void rsn_preauth_scan_result(struct wpa_sm *sm, const u8 *bssid,
+			     const u8 *ssid, const u8 *rsn)
+{
+	struct wpa_ie_data ie;
+	struct rsn_pmksa_cache_entry *pmksa;
+
+	if (ssid[1] != sm->ssid_len ||
+	    os_memcmp(ssid + 2, sm->ssid, sm->ssid_len) != 0)
+		return; /* Not for the current SSID */
+
+	if (os_memcmp(bssid, sm->bssid, ETH_ALEN) == 0)
+		return; /* Ignore current AP */
+
+	if (wpa_parse_wpa_ie(rsn, 2 + rsn[1], &ie))
+		return;
+
+	pmksa = pmksa_cache_get(sm->pmksa, bssid, NULL);
+	if (pmksa && (!pmksa->opportunistic ||
+		      !(ie.capabilities & WPA_CAPABILITY_PREAUTH)))
+		return;
+
+	/* Give less priority to candidates found from normal scan results. */
+	pmksa_candidate_add(sm, bssid, PMKID_CANDIDATE_PRIO_SCAN,
+			    ie.capabilities & WPA_CAPABILITY_PREAUTH);
+}
+
+
+#ifdef CONFIG_CTRL_IFACE
+/**
+ * rsn_preauth_get_status - Get pre-authentication status
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @buf: Buffer for status information
+ * @buflen: Maximum buffer length
+ * @verbose: Whether to include verbose status information
+ * Returns: Number of bytes written to buf.
+ *
+ * Query WPA2 pre-authentication for status information. This function fills in
+ * a text area with current status information. If the buffer (buf) is not
+ * large enough, status information will be truncated to fit the buffer.
+ */
+int rsn_preauth_get_status(struct wpa_sm *sm, char *buf, size_t buflen,
+			   int verbose)
+{
+	char *pos = buf, *end = buf + buflen;
+	int res, ret;
+
+	if (sm->preauth_eapol) {
+		ret = os_snprintf(pos, end - pos, "Pre-authentication "
+				  "EAPOL state machines:\n");
+		if (ret < 0 || ret >= end - pos)
+			return pos - buf;
+		pos += ret;
+		res = eapol_sm_get_status(sm->preauth_eapol,
+					  pos, end - pos, verbose);
+		if (res >= 0)
+			pos += res;
+	}
+
+	return pos - buf;
+}
+#endif /* CONFIG_CTRL_IFACE */
+
+
+/**
+ * rsn_preauth_in_progress - Verify whether pre-authentication is in progress
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ */
+int rsn_preauth_in_progress(struct wpa_sm *sm)
+{
+	return sm->preauth_eapol != NULL;
+}
+
+#endif /* IEEE8021X_EAPOL and !CONFIG_NO_WPA2 */
diff --git a/src/rsn_supp/preauth.h b/src/rsn_supp/preauth.h
new file mode 100644
index 0000000..f8240ab
--- /dev/null
+++ b/src/rsn_supp/preauth.h
@@ -0,0 +1,85 @@
+/*
+ * wpa_supplicant - WPA2/RSN pre-authentication functions
+ * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef PREAUTH_H
+#define PREAUTH_H
+
+struct wpa_scan_results;
+
+#if defined(IEEE8021X_EAPOL) && !defined(CONFIG_NO_WPA2)
+
+void pmksa_candidate_free(struct wpa_sm *sm);
+int rsn_preauth_init(struct wpa_sm *sm, const u8 *dst,
+		     struct eap_peer_config *eap_conf);
+void rsn_preauth_deinit(struct wpa_sm *sm);
+int rsn_preauth_scan_results(struct wpa_sm *sm);
+void rsn_preauth_scan_result(struct wpa_sm *sm, const u8 *bssid,
+			     const u8 *ssid, const u8 *rsn);
+void pmksa_candidate_add(struct wpa_sm *sm, const u8 *bssid,
+			 int prio, int preauth);
+void rsn_preauth_candidate_process(struct wpa_sm *sm);
+int rsn_preauth_get_status(struct wpa_sm *sm, char *buf, size_t buflen,
+			   int verbose);
+int rsn_preauth_in_progress(struct wpa_sm *sm);
+
+#else /* IEEE8021X_EAPOL and !CONFIG_NO_WPA2 */
+
+static inline void pmksa_candidate_free(struct wpa_sm *sm)
+{
+}
+
+static inline void rsn_preauth_candidate_process(struct wpa_sm *sm)
+{
+}
+
+static inline int rsn_preauth_init(struct wpa_sm *sm, const u8 *dst,
+				   struct eap_peer_config *eap_conf)
+{
+	return -1;
+}
+
+static inline void rsn_preauth_deinit(struct wpa_sm *sm)
+{
+}
+
+static inline int rsn_preauth_scan_results(struct wpa_sm *sm)
+{
+	return -1;
+}
+
+static inline void rsn_preauth_scan_result(struct wpa_sm *sm, const u8 *bssid,
+					   const u8 *ssid, const u8 *rsn)
+{
+}
+
+static inline void pmksa_candidate_add(struct wpa_sm *sm,
+				       const u8 *bssid,
+				       int prio, int preauth)
+{
+}
+
+static inline int rsn_preauth_get_status(struct wpa_sm *sm, char *buf,
+					 size_t buflen, int verbose)
+{
+	return 0;
+}
+
+static inline int rsn_preauth_in_progress(struct wpa_sm *sm)
+{
+	return 0;
+}
+
+#endif /* IEEE8021X_EAPOL and !CONFIG_NO_WPA2 */
+
+#endif /* PREAUTH_H */
diff --git a/src/rsn_supp/tdls.c b/src/rsn_supp/tdls.c
new file mode 100644
index 0000000..e751867
--- /dev/null
+++ b/src/rsn_supp/tdls.c
@@ -0,0 +1,2069 @@
+/*
+ * wpa_supplicant - TDLS
+ * Copyright (c) 2010-2011, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "utils/os.h"
+#include "common/ieee802_11_defs.h"
+#include "crypto/sha256.h"
+#include "crypto/crypto.h"
+#include "crypto/aes_wrap.h"
+#include "rsn_supp/wpa.h"
+#include "rsn_supp/wpa_ie.h"
+#include "rsn_supp/wpa_i.h"
+#include "drivers/driver.h"
+#include "l2_packet/l2_packet.h"
+
+#ifdef CONFIG_TDLS_TESTING
+#define TDLS_TESTING_LONG_FRAME BIT(0)
+#define TDLS_TESTING_ALT_RSN_IE BIT(1)
+#define TDLS_TESTING_DIFF_BSSID BIT(2)
+#define TDLS_TESTING_SHORT_LIFETIME BIT(3)
+#define TDLS_TESTING_WRONG_LIFETIME_RESP BIT(4)
+#define TDLS_TESTING_WRONG_LIFETIME_CONF BIT(5)
+#define TDLS_TESTING_LONG_LIFETIME BIT(6)
+#define TDLS_TESTING_CONCURRENT_INIT BIT(7)
+#define TDLS_TESTING_NO_TPK_EXPIRATION BIT(8)
+#define TDLS_TESTING_DECLINE_RESP BIT(9)
+#define TDLS_TESTING_IGNORE_AP_PROHIBIT BIT(10)
+unsigned int tdls_testing = 0;
+#endif /* CONFIG_TDLS_TESTING */
+
+#define TPK_LIFETIME 43200 /* 12 hours */
+#define TPK_RETRY_COUNT 3
+#define TPK_TIMEOUT 5000 /* in milliseconds */
+
+#define TDLS_MIC_LEN		16
+
+#define TDLS_TIMEOUT_LEN	4
+
+struct wpa_tdls_ftie {
+	u8 ie_type; /* FTIE */
+	u8 ie_len;
+	u8 mic_ctrl[2];
+	u8 mic[TDLS_MIC_LEN];
+	u8 Anonce[WPA_NONCE_LEN]; /* Responder Nonce in TDLS */
+	u8 Snonce[WPA_NONCE_LEN]; /* Initiator Nonce in TDLS */
+	/* followed by optional elements */
+} STRUCT_PACKED;
+
+struct wpa_tdls_timeoutie {
+	u8 ie_type; /* Timeout IE */
+	u8 ie_len;
+	u8 interval_type;
+	u8 value[TDLS_TIMEOUT_LEN];
+} STRUCT_PACKED;
+
+struct wpa_tdls_lnkid {
+	u8 ie_type; /* Link Identifier IE */
+	u8 ie_len;
+	u8 bssid[ETH_ALEN];
+	u8 init_sta[ETH_ALEN];
+	u8 resp_sta[ETH_ALEN];
+} STRUCT_PACKED;
+
+/* TDLS frame headers as per IEEE Std 802.11z-2010 */
+struct wpa_tdls_frame {
+	u8 payloadtype; /* IEEE80211_TDLS_RFTYPE */
+	u8 category; /* Category */
+	u8 action; /* Action (enum tdls_frame_type) */
+} STRUCT_PACKED;
+
+static u8 * wpa_add_tdls_timeoutie(u8 *pos, u8 *ie, size_t ie_len, u32 tsecs);
+static void wpa_tdls_tpk_retry_timeout(void *eloop_ctx, void *timeout_ctx);
+static void wpa_tdls_peer_free(struct wpa_sm *sm, struct wpa_tdls_peer *peer);
+
+
+#define TDLS_MAX_IE_LEN 80
+struct wpa_tdls_peer {
+	struct wpa_tdls_peer *next;
+	int initiator; /* whether this end was initiator for TDLS setup */
+	u8 addr[ETH_ALEN]; /* other end MAC address */
+	u8 inonce[WPA_NONCE_LEN]; /* Initiator Nonce */
+	u8 rnonce[WPA_NONCE_LEN]; /* Responder Nonce */
+	u8 rsnie_i[TDLS_MAX_IE_LEN]; /* Initiator RSN IE */
+	size_t rsnie_i_len;
+	u8 rsnie_p[TDLS_MAX_IE_LEN]; /* Peer RSN IE */
+	size_t rsnie_p_len;
+	u32 lifetime;
+	int cipher; /* Selected cipher (WPA_CIPHER_*) */
+	u8 dtoken;
+
+	struct tpk {
+		u8 kck[16]; /* TPK-KCK */
+		u8 tk[16]; /* TPK-TK; assuming only CCMP will be used */
+	} tpk;
+	int tpk_set;
+	int tpk_success;
+
+	struct tpk_timer {
+		u8 dest[ETH_ALEN];
+		int count;      /* Retry Count */
+		int timer;      /* Timeout in milliseconds */
+		u8 action_code; /* TDLS frame type */
+		u8 dialog_token;
+		u16 status_code;
+		int buf_len;    /* length of TPK message for retransmission */
+		u8 *buf;        /* buffer for TPK message */
+	} sm_tmr;
+};
+
+
+static int wpa_tdls_get_privacy(struct wpa_sm *sm)
+{
+	/*
+	 * Get info needed from supplicant to check if the current BSS supports
+	 * security. Other than OPEN mode, rest are considered secured
+	 * WEP/WPA/WPA2 hence TDLS frames are processed for TPK handshake.
+	 */
+	return sm->pairwise_cipher != WPA_CIPHER_NONE;
+}
+
+
+static u8 * wpa_add_ie(u8 *pos, const u8 *ie, size_t ie_len)
+{
+	os_memcpy(pos, ie, ie_len);
+	return pos + ie_len;
+}
+
+
+static int wpa_tdls_del_key(struct wpa_sm *sm, struct wpa_tdls_peer *peer)
+{
+	if (wpa_sm_set_key(sm, WPA_ALG_NONE, peer->addr,
+			   0, 0, NULL, 0, NULL, 0) < 0) {
+		wpa_printf(MSG_WARNING, "TDLS: Failed to delete TPK-TK from "
+			   "the driver");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int wpa_tdls_set_key(struct wpa_sm *sm, struct wpa_tdls_peer *peer)
+{
+	u8 key_len;
+	u8 rsc[6];
+	enum wpa_alg alg;
+
+	os_memset(rsc, 0, 6);
+
+	switch (peer->cipher) {
+	case WPA_CIPHER_CCMP:
+		alg = WPA_ALG_CCMP;
+		key_len = 16;
+		break;
+	case WPA_CIPHER_NONE:
+		wpa_printf(MSG_DEBUG, "TDLS: Pairwise Cipher Suite: "
+			   "NONE - do not use pairwise keys");
+		return -1;
+	default:
+		wpa_printf(MSG_WARNING, "TDLS: Unsupported pairwise cipher %d",
+			   sm->pairwise_cipher);
+		return -1;
+	}
+
+	if (wpa_sm_set_key(sm, alg, peer->addr, -1, 1,
+			   rsc, sizeof(rsc), peer->tpk.tk, key_len) < 0) {
+		wpa_printf(MSG_WARNING, "TDLS: Failed to set TPK to the "
+			   "driver");
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wpa_tdls_send_tpk_msg(struct wpa_sm *sm, const u8 *dst,
+				 u8 action_code, u8 dialog_token,
+				 u16 status_code, const u8 *buf, size_t len)
+{
+	return wpa_sm_send_tdls_mgmt(sm, dst, action_code, dialog_token,
+				     status_code, buf, len);
+}
+
+
+static int wpa_tdls_tpk_send(struct wpa_sm *sm, const u8 *dest, u8 action_code,
+			     u8 dialog_token, u16 status_code,
+			     const u8 *msg, size_t msg_len)
+{
+	struct wpa_tdls_peer *peer;
+
+	wpa_printf(MSG_DEBUG, "TDLS: TPK send dest=" MACSTR " action_code=%u "
+		   "dialog_token=%u status_code=%u msg_len=%u",
+		   MAC2STR(dest), action_code, dialog_token, status_code,
+		   (unsigned int) msg_len);
+
+	if (wpa_tdls_send_tpk_msg(sm, dest, action_code, dialog_token,
+				  status_code, msg, msg_len)) {
+		wpa_printf(MSG_INFO, "TDLS: Failed to send message "
+			   "(action_code=%u)", action_code);
+		return -1;
+	}
+
+	if (action_code == WLAN_TDLS_SETUP_CONFIRM ||
+	    action_code == WLAN_TDLS_TEARDOWN)
+		return 0; /* No retries */
+
+	for (peer = sm->tdls; peer; peer = peer->next) {
+		if (os_memcmp(peer->addr, dest, ETH_ALEN) == 0)
+			break;
+	}
+
+	if (peer == NULL) {
+		wpa_printf(MSG_INFO, "TDLS: No matching entry found for "
+			   "retry " MACSTR, MAC2STR(dest));
+		return 0;
+	}
+
+	eloop_cancel_timeout(wpa_tdls_tpk_retry_timeout, sm, peer);
+
+	peer->sm_tmr.count = TPK_RETRY_COUNT;
+	peer->sm_tmr.timer = TPK_TIMEOUT;
+
+	/* Copy message to resend on timeout */
+	os_memcpy(peer->sm_tmr.dest, dest, ETH_ALEN);
+	peer->sm_tmr.action_code = action_code;
+	peer->sm_tmr.dialog_token = dialog_token;
+	peer->sm_tmr.status_code = status_code;
+	peer->sm_tmr.buf_len = msg_len;
+	os_free(peer->sm_tmr.buf);
+	peer->sm_tmr.buf = os_malloc(msg_len);
+	if (peer->sm_tmr.buf == NULL)
+		return -1;
+	os_memcpy(peer->sm_tmr.buf, msg, msg_len);
+
+	wpa_printf(MSG_DEBUG, "TDLS: Retry timeout registered "
+		   "(action_code=%u)", action_code);
+	eloop_register_timeout(peer->sm_tmr.timer / 1000, 0,
+			       wpa_tdls_tpk_retry_timeout, sm, peer);
+	return 0;
+}
+
+
+static void wpa_tdls_tpk_retry_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+
+	struct wpa_sm *sm = eloop_ctx;
+	struct wpa_tdls_peer *peer = timeout_ctx;
+
+	if (peer->sm_tmr.count) {
+		peer->sm_tmr.count--;
+		peer->sm_tmr.timer = TPK_TIMEOUT;
+
+		wpa_printf(MSG_INFO, "TDLS: Retrying sending of message "
+			   "(action_code=%u)",
+			   peer->sm_tmr.action_code);
+
+		if (peer->sm_tmr.buf == NULL) {
+			wpa_printf(MSG_INFO, "TDLS: No retry buffer available "
+				   "for action_code=%u",
+				   peer->sm_tmr.action_code);
+			eloop_cancel_timeout(wpa_tdls_tpk_retry_timeout, sm,
+					     peer);
+			return;
+		}
+
+		/* resend TPK Handshake Message to Peer */
+		if (wpa_tdls_send_tpk_msg(sm, peer->sm_tmr.dest,
+					  peer->sm_tmr.action_code,
+					  peer->sm_tmr.dialog_token,
+					  peer->sm_tmr.status_code,
+					  peer->sm_tmr.buf,
+					  peer->sm_tmr.buf_len)) {
+			wpa_printf(MSG_INFO, "TDLS: Failed to retry "
+				   "transmission");
+		}
+
+		eloop_cancel_timeout(wpa_tdls_tpk_retry_timeout, sm, peer);
+		eloop_register_timeout(peer->sm_tmr.timer / 1000, 0,
+				       wpa_tdls_tpk_retry_timeout, sm, peer);
+	} else {
+		wpa_printf(MSG_INFO, "Sending Tear_Down Request");
+		wpa_sm_tdls_oper(sm, TDLS_TEARDOWN, peer->addr);
+
+		wpa_printf(MSG_INFO, "Clearing SM: Peerkey(" MACSTR ")",
+			   MAC2STR(peer->addr));
+		eloop_cancel_timeout(wpa_tdls_tpk_retry_timeout, sm, peer);
+
+		/* clear the Peerkey statemachine */
+		wpa_tdls_peer_free(sm, peer);
+	}
+}
+
+
+static void wpa_tdls_tpk_retry_timeout_cancel(struct wpa_sm *sm,
+					      struct wpa_tdls_peer *peer,
+					      u8 action_code)
+{
+	if (action_code == peer->sm_tmr.action_code) {
+		wpa_printf(MSG_DEBUG, "TDLS: Retry timeout cancelled for "
+			   "action_code=%u", action_code);
+
+		/* Cancel Timeout registered */
+		eloop_cancel_timeout(wpa_tdls_tpk_retry_timeout, sm, peer);
+
+		/* free all resources meant for retry */
+		os_free(peer->sm_tmr.buf);
+		peer->sm_tmr.buf = NULL;
+
+		peer->sm_tmr.count = 0;
+		peer->sm_tmr.timer = 0;
+		peer->sm_tmr.buf_len = 0;
+		peer->sm_tmr.action_code = 0xff;
+	} else {
+		wpa_printf(MSG_INFO, "TDLS: Error in cancelling retry timeout "
+			   "(Unknown action_code=%u)", action_code);
+	}
+}
+
+
+static void wpa_tdls_generate_tpk(struct wpa_tdls_peer *peer,
+				  const u8 *own_addr, const u8 *bssid)
+{
+	u8 key_input[SHA256_MAC_LEN];
+	const u8 *nonce[2];
+	size_t len[2];
+	u8 data[3 * ETH_ALEN];
+
+	/* IEEE Std 802.11z-2010 8.5.9.1:
+	 * TPK-Key-Input = SHA-256(min(SNonce, ANonce) || max(SNonce, ANonce))
+	 */
+	len[0] = WPA_NONCE_LEN;
+	len[1] = WPA_NONCE_LEN;
+	if (os_memcmp(peer->inonce, peer->rnonce, WPA_NONCE_LEN) < 0) {
+		nonce[0] = peer->inonce;
+		nonce[1] = peer->rnonce;
+	} else {
+		nonce[0] = peer->rnonce;
+		nonce[1] = peer->inonce;
+	}
+	wpa_hexdump(MSG_DEBUG, "TDLS: min(Nonce)", nonce[0], WPA_NONCE_LEN);
+	wpa_hexdump(MSG_DEBUG, "TDLS: max(Nonce)", nonce[1], WPA_NONCE_LEN);
+	sha256_vector(2, nonce, len, key_input);
+	wpa_hexdump_key(MSG_DEBUG, "TDLS: TPK-Key-Input",
+			key_input, SHA256_MAC_LEN);
+
+	/*
+	 * TPK-Key-Data = KDF-N_KEY(TPK-Key-Input, "TDLS PMK",
+	 *	min(MAC_I, MAC_R) || max(MAC_I, MAC_R) || BSSID || N_KEY)
+	 * TODO: is N_KEY really included in KDF Context and if so, in which
+	 * presentation format (little endian 16-bit?) is it used? It gets
+	 * added by the KDF anyway..
+	 */
+
+	if (os_memcmp(own_addr, peer->addr, ETH_ALEN) < 0) {
+		os_memcpy(data, own_addr, ETH_ALEN);
+		os_memcpy(data + ETH_ALEN, peer->addr, ETH_ALEN);
+	} else {
+		os_memcpy(data, peer->addr, ETH_ALEN);
+		os_memcpy(data + ETH_ALEN, own_addr, ETH_ALEN);
+	}
+	os_memcpy(data + 2 * ETH_ALEN, bssid, ETH_ALEN);
+	wpa_hexdump(MSG_DEBUG, "TDLS: KDF Context", data, sizeof(data));
+
+	sha256_prf(key_input, SHA256_MAC_LEN, "TDLS PMK", data, sizeof(data),
+		   (u8 *) &peer->tpk, sizeof(peer->tpk));
+	wpa_hexdump_key(MSG_DEBUG, "TDLS: TPK-KCK",
+			peer->tpk.kck, sizeof(peer->tpk.kck));
+	wpa_hexdump_key(MSG_DEBUG, "TDLS: TPK-TK",
+			peer->tpk.tk, sizeof(peer->tpk.tk));
+	peer->tpk_set = 1;
+}
+
+
+/**
+ * wpa_tdls_ftie_mic - Calculate TDLS FTIE MIC
+ * @kck: TPK-KCK
+ * @lnkid: Pointer to the beginning of Link Identifier IE
+ * @rsnie: Pointer to the beginning of RSN IE used for handshake
+ * @timeoutie: Pointer to the beginning of Timeout IE used for handshake
+ * @ftie: Pointer to the beginning of FT IE
+ * @mic: Pointer for writing MIC
+ *
+ * Calculate MIC for TDLS frame.
+ */
+static int wpa_tdls_ftie_mic(const u8 *kck, u8 trans_seq, const u8 *lnkid,
+			     const u8 *rsnie, const u8 *timeoutie,
+			     const u8 *ftie, u8 *mic)
+{
+	u8 *buf, *pos;
+	struct wpa_tdls_ftie *_ftie;
+	const struct wpa_tdls_lnkid *_lnkid;
+	int ret;
+	int len = 2 * ETH_ALEN + 1 + 2 + lnkid[1] + 2 + rsnie[1] +
+		2 + timeoutie[1] + 2 + ftie[1];
+	buf = os_zalloc(len);
+	if (!buf) {
+		wpa_printf(MSG_WARNING, "TDLS: No memory for MIC calculation");
+		return -1;
+	}
+
+	pos = buf;
+	_lnkid = (const struct wpa_tdls_lnkid *) lnkid;
+	/* 1) TDLS initiator STA MAC address */
+	os_memcpy(pos, _lnkid->init_sta, ETH_ALEN);
+	pos += ETH_ALEN;
+	/* 2) TDLS responder STA MAC address */
+	os_memcpy(pos, _lnkid->resp_sta, ETH_ALEN);
+	pos += ETH_ALEN;
+	/* 3) Transaction Sequence number */
+	*pos++ = trans_seq;
+	/* 4) Link Identifier IE */
+	os_memcpy(pos, lnkid, 2 + lnkid[1]);
+	pos += 2 + lnkid[1];
+	/* 5) RSN IE */
+	os_memcpy(pos, rsnie, 2 + rsnie[1]);
+	pos += 2 + rsnie[1];
+	/* 6) Timeout Interval IE */
+	os_memcpy(pos, timeoutie, 2 + timeoutie[1]);
+	pos += 2 + timeoutie[1];
+	/* 7) FTIE, with the MIC field of the FTIE set to 0 */
+	os_memcpy(pos, ftie, 2 + ftie[1]);
+	_ftie = (struct wpa_tdls_ftie *) pos;
+	os_memset(_ftie->mic, 0, TDLS_MIC_LEN);
+	pos += 2 + ftie[1];
+
+	wpa_hexdump(MSG_DEBUG, "TDLS: Data for FTIE MIC", buf, pos - buf);
+	wpa_hexdump_key(MSG_DEBUG, "TDLS: KCK", kck, 16);
+	ret = omac1_aes_128(kck, buf, pos - buf, mic);
+	os_free(buf);
+	wpa_hexdump(MSG_DEBUG, "TDLS: FTIE MIC", mic, 16);
+	return ret;
+}
+
+
+/**
+ * wpa_tdls_key_mic_teardown - Calculate TDLS FTIE MIC for Teardown frame
+ * @kck: TPK-KCK
+ * @trans_seq: Transaction Sequence Number (4 - Teardown)
+ * @rcode: Reason code for Teardown
+ * @dtoken: Dialog Token used for that particular link
+ * @lnkid: Pointer to the beginning of Link Identifier IE
+ * @ftie: Pointer to the beginning of FT IE
+ * @mic: Pointer for writing MIC
+ *
+ * Calculate MIC for TDLS frame.
+ */
+static int wpa_tdls_key_mic_teardown(const u8 *kck, u8 trans_seq, u16 rcode,
+				     u8 dtoken, const u8 *lnkid,
+				     const u8 *ftie, u8 *mic)
+{
+	u8 *buf, *pos;
+	struct wpa_tdls_ftie *_ftie;
+	int ret;
+	int len;
+
+	if (lnkid == NULL)
+		return -1;
+
+	len = 2 + lnkid[1] + sizeof(rcode) + sizeof(dtoken) +
+		sizeof(trans_seq) + 2 + ftie[1];
+
+	buf = os_zalloc(len);
+	if (!buf) {
+		wpa_printf(MSG_WARNING, "TDLS: No memory for MIC calculation");
+		return -1;
+	}
+
+	pos = buf;
+	/* 1) Link Identifier IE */
+	os_memcpy(pos, lnkid, 2 + lnkid[1]);
+	pos += 2 + lnkid[1];
+	/* 2) Reason Code */
+	WPA_PUT_LE16(pos, rcode);
+	pos += sizeof(rcode);
+	/* 3) Dialog token */
+	*pos++ = dtoken;
+	/* 4) Transaction Sequence number */
+	*pos++ = trans_seq;
+	/* 7) FTIE, with the MIC field of the FTIE set to 0 */
+	os_memcpy(pos, ftie, 2 + ftie[1]);
+	_ftie = (struct wpa_tdls_ftie *) pos;
+	os_memset(_ftie->mic, 0, TDLS_MIC_LEN);
+	pos += 2 + ftie[1];
+
+	wpa_hexdump(MSG_DEBUG, "TDLS: Data for FTIE MIC", buf, pos - buf);
+	wpa_hexdump_key(MSG_DEBUG, "TDLS: KCK", kck, 16);
+	ret = omac1_aes_128(kck, buf, pos - buf, mic);
+	os_free(buf);
+	wpa_hexdump(MSG_DEBUG, "TDLS: FTIE MIC", mic, 16);
+	return ret;
+}
+
+
+static int wpa_supplicant_verify_tdls_mic(u8 trans_seq,
+					  struct wpa_tdls_peer *peer,
+					  const u8 *lnkid, const u8 *timeoutie,
+					  const struct wpa_tdls_ftie *ftie)
+{
+	u8 mic[16];
+
+	if (peer->tpk_set) {
+		wpa_tdls_ftie_mic(peer->tpk.kck, trans_seq, lnkid,
+				  peer->rsnie_p, timeoutie, (u8 *) ftie,
+				  mic);
+		if (os_memcmp(mic, ftie->mic, 16) != 0) {
+			wpa_printf(MSG_INFO, "TDLS: Invalid MIC in FTIE - "
+				   "dropping packet");
+			wpa_hexdump(MSG_DEBUG, "TDLS: Received MIC",
+				    ftie->mic, 16);
+			wpa_hexdump(MSG_DEBUG, "TDLS: Calculated MIC",
+				    mic, 16);
+			return -1;
+		}
+	} else {
+		wpa_printf(MSG_WARNING, "TDLS: Could not verify TDLS MIC, "
+			   "TPK not set - dropping packet");
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wpa_supplicant_verify_tdls_mic_teardown(
+	u8 trans_seq, u16 rcode, u8 dtoken, struct wpa_tdls_peer *peer,
+	const u8 *lnkid, const struct wpa_tdls_ftie *ftie)
+{
+	u8 mic[16];
+
+	if (peer->tpk_set) {
+		wpa_tdls_key_mic_teardown(peer->tpk.kck, trans_seq, rcode,
+					  dtoken, lnkid, (u8 *) ftie, mic);
+		if (os_memcmp(mic, ftie->mic, 16) != 0) {
+			wpa_printf(MSG_INFO, "TDLS: Invalid MIC in Teardown - "
+				   "dropping packet");
+			return -1;
+		}
+	} else {
+		wpa_printf(MSG_INFO, "TDLS: Could not verify TDLS Teardown "
+			   "MIC, TPK not set - dropping packet");
+		return -1;
+	}
+	return 0;
+}
+
+
+static void wpa_tdls_tpk_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_sm *sm = eloop_ctx;
+	struct wpa_tdls_peer *peer = timeout_ctx;
+
+	/*
+	 * On TPK lifetime expiration, we have an option of either tearing down
+	 * the direct link or trying to re-initiate it. The selection of what
+	 * to do is not strictly speaking controlled by our role in the expired
+	 * link, but for now, use that to select whether to renew or tear down
+	 * the link.
+	 */
+
+	if (peer->initiator) {
+		wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime expired for " MACSTR
+			   " - try to renew", MAC2STR(peer->addr));
+		wpa_tdls_start(sm, peer->addr);
+	} else {
+		wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime expired for " MACSTR
+			   " - tear down", MAC2STR(peer->addr));
+		wpa_sm_tdls_oper(sm, TDLS_TEARDOWN, peer->addr);
+	}
+}
+
+
+static void wpa_tdls_peer_free(struct wpa_sm *sm, struct wpa_tdls_peer *peer)
+{
+	wpa_printf(MSG_DEBUG, "TDLS: Clear state for peer " MACSTR,
+		   MAC2STR(peer->addr));
+	eloop_cancel_timeout(wpa_tdls_tpk_timeout, sm, peer);
+	eloop_cancel_timeout(wpa_tdls_tpk_retry_timeout, sm, peer);
+	peer->initiator = 0;
+	os_free(peer->sm_tmr.buf);
+	peer->sm_tmr.buf = NULL;
+	peer->rsnie_i_len = peer->rsnie_p_len = 0;
+	peer->cipher = 0;
+	peer->tpk_set = peer->tpk_success = 0;
+	os_memset(&peer->tpk, 0, sizeof(peer->tpk));
+	os_memset(peer->inonce, 0, WPA_NONCE_LEN);
+	os_memset(peer->rnonce, 0, WPA_NONCE_LEN);
+}
+
+
+static void wpa_tdls_linkid(struct wpa_sm *sm, struct wpa_tdls_peer *peer,
+			    struct wpa_tdls_lnkid *lnkid)
+{
+	lnkid->ie_type = WLAN_EID_LINK_ID;
+	lnkid->ie_len = 3 * ETH_ALEN;
+	os_memcpy(lnkid->bssid, sm->bssid, ETH_ALEN);
+	if (peer->initiator) {
+		os_memcpy(lnkid->init_sta, sm->own_addr, ETH_ALEN);
+		os_memcpy(lnkid->resp_sta, peer->addr, ETH_ALEN);
+	} else {
+		os_memcpy(lnkid->init_sta, peer->addr, ETH_ALEN);
+		os_memcpy(lnkid->resp_sta, sm->own_addr, ETH_ALEN);
+	}
+}
+
+
+int wpa_tdls_recv_teardown_notify(struct wpa_sm *sm, const u8 *addr,
+				  u16 reason_code)
+{
+	struct wpa_tdls_peer *peer;
+	struct wpa_tdls_ftie *ftie;
+	struct wpa_tdls_lnkid lnkid;
+	u8 dialog_token;
+	u8 *rbuf, *pos;
+	int ielen;
+
+	if (sm->tdls_disabled)
+		return -1;
+
+	/* Find the node and free from the list */
+	for (peer = sm->tdls; peer; peer = peer->next) {
+		if (os_memcmp(peer->addr, addr, ETH_ALEN) == 0)
+			break;
+	}
+
+	if (peer == NULL) {
+		wpa_printf(MSG_INFO, "TDLS: No matching entry found for "
+			   "Teardown " MACSTR, MAC2STR(addr));
+		return 0;
+	}
+
+	dialog_token = peer->dtoken;
+
+	wpa_printf(MSG_DEBUG, "TDLS: TDLS Teardown for " MACSTR,
+		   MAC2STR(addr));
+
+	ielen = 0;
+	if (wpa_tdls_get_privacy(sm) && peer->tpk_set && peer->tpk_success) {
+		/* To add FTIE for Teardown request and compute MIC */
+		ielen += sizeof(*ftie);
+#ifdef CONFIG_TDLS_TESTING
+		if (tdls_testing & TDLS_TESTING_LONG_FRAME)
+			ielen += 170;
+#endif /* CONFIG_TDLS_TESTING */
+	}
+
+	rbuf = os_zalloc(ielen + 1);
+	if (rbuf == NULL)
+		return -1;
+	pos = rbuf;
+
+	if (!wpa_tdls_get_privacy(sm) || !peer->tpk_set || !peer->tpk_success)
+		goto skip_ies;
+
+	ftie = (struct wpa_tdls_ftie *) pos;
+	ftie->ie_type = WLAN_EID_FAST_BSS_TRANSITION;
+	/* Using the recent nonce which should be for CONFIRM frame */
+	os_memcpy(ftie->Anonce, peer->rnonce, WPA_NONCE_LEN);
+	os_memcpy(ftie->Snonce, peer->inonce, WPA_NONCE_LEN);
+	ftie->ie_len = sizeof(struct wpa_tdls_ftie) - 2;
+	pos = (u8 *) (ftie + 1);
+#ifdef CONFIG_TDLS_TESTING
+	if (tdls_testing & TDLS_TESTING_LONG_FRAME) {
+		wpa_printf(MSG_DEBUG, "TDLS: Testing - add extra subelem to "
+			   "FTIE");
+		ftie->ie_len += 170;
+		*pos++ = 255; /* FTIE subelem */
+		*pos++ = 168; /* FTIE subelem length */
+	}
+#endif /* CONFIG_TDLS_TESTING */
+	wpa_hexdump(MSG_DEBUG, "TDLS: FTIE for TDLS Teardown handshake",
+		    (u8 *) ftie, sizeof(*ftie));
+
+	/* compute MIC before sending */
+	wpa_tdls_linkid(sm, peer, &lnkid);
+	wpa_tdls_key_mic_teardown(peer->tpk.kck, 4, reason_code,
+				  dialog_token, (u8 *) &lnkid, (u8 *) ftie,
+				  ftie->mic);
+
+skip_ies:
+	/* TODO: register for a Timeout handler, if Teardown is not received at
+	 * the other end, then try again another time */
+
+	/* request driver to send Teardown using this FTIE */
+	wpa_tdls_tpk_send(sm, addr, WLAN_TDLS_TEARDOWN, 0,
+			  WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED, rbuf,
+			  pos - rbuf);
+	os_free(rbuf);
+
+	/* clear the Peerkey statemachine */
+	wpa_tdls_peer_free(sm, peer);
+
+	return 0;
+}
+
+
+static int wpa_tdls_recv_teardown(struct wpa_sm *sm, const u8 *src_addr,
+				  const u8 *buf, size_t len)
+{
+	struct wpa_tdls_peer *peer = NULL;
+	struct wpa_tdls_ftie *ftie;
+	struct wpa_tdls_lnkid *lnkid;
+	struct wpa_eapol_ie_parse kde;
+	u16 reason_code;
+	const u8 *pos;
+	int ielen;
+
+	/* Find the node and free from the list */
+	for (peer = sm->tdls; peer; peer = peer->next) {
+		if (os_memcmp(peer->addr, src_addr, ETH_ALEN) == 0)
+			break;
+	}
+
+	if (peer == NULL) {
+		wpa_printf(MSG_INFO, "TDLS: No matching entry found for "
+			   "Teardown " MACSTR, MAC2STR(src_addr));
+		return 0;
+	}
+
+	pos = buf;
+	pos += 1 /* pkt_type */ + 1 /* Category */ + 1 /* Action */;
+
+	reason_code = WPA_GET_LE16(pos);
+	pos += 2;
+
+	wpa_printf(MSG_DEBUG, "TDLS: TDLS Teardown Request from " MACSTR
+		   " (reason code %u)", MAC2STR(src_addr), reason_code);
+
+	ielen = len - (pos - buf); /* start of IE in buf */
+	if (wpa_supplicant_parse_ies((const u8 *) pos, ielen, &kde) < 0) {
+		wpa_printf(MSG_INFO, "TDLS: Failed to parse IEs in Teardown");
+		return -1;
+	}
+
+	if (kde.lnkid == NULL || kde.lnkid_len < 3 * ETH_ALEN) {
+		wpa_printf(MSG_INFO, "TDLS: No Link Identifier IE in TDLS "
+			   "Teardown");
+		return -1;
+	}
+	lnkid = (struct wpa_tdls_lnkid *) kde.lnkid;
+
+	if (!wpa_tdls_get_privacy(sm) || !peer->tpk_set || !peer->tpk_success)
+		goto skip_ftie;
+
+	if (kde.ftie == NULL || kde.ftie_len < sizeof(*ftie)) {
+		wpa_printf(MSG_INFO, "TDLS: No FTIE in TDLS Teardown");
+		return -1;
+	}
+
+	ftie = (struct wpa_tdls_ftie *) kde.ftie;
+
+	/* Process MIC check to see if TDLS Teardown is right */
+	if (wpa_supplicant_verify_tdls_mic_teardown(4, reason_code,
+						    peer->dtoken, peer,
+						    (u8 *) lnkid, ftie) < 0) {
+		wpa_printf(MSG_DEBUG, "TDLS: MIC failure for TDLS "
+			   "Teardown Request from " MACSTR, MAC2STR(src_addr));
+		return -1;
+	}
+
+skip_ftie:
+	/*
+	 * Request the driver to disable the direct link and clear associated
+	 * keys.
+	 */
+	wpa_sm_tdls_oper(sm, TDLS_DISABLE_LINK, src_addr);
+
+	/* clear the Peerkey statemachine */
+	wpa_tdls_peer_free(sm, peer);
+
+	return 0;
+}
+
+
+/**
+ * wpa_tdls_send_error - To send suitable TDLS status response with
+ *	appropriate status code mentioning reason for error/failure.
+ * @dst 	- MAC addr of Peer station
+ * @tdls_action - TDLS frame type for which error code is sent
+ * @status 	- status code mentioning reason
+ */
+
+static int wpa_tdls_send_error(struct wpa_sm *sm, const u8 *dst,
+			       u8 tdls_action, u8 dialog_token, u16 status)
+{
+	wpa_printf(MSG_DEBUG, "TDLS: Sending error to " MACSTR
+		   " (action=%u status=%u)",
+		   MAC2STR(dst), tdls_action, status);
+	return wpa_tdls_tpk_send(sm, dst, tdls_action, dialog_token, status,
+				 NULL, 0);
+}
+
+
+static int wpa_tdls_send_tpk_m1(struct wpa_sm *sm,
+				struct wpa_tdls_peer *peer)
+{
+	size_t buf_len;
+	struct wpa_tdls_timeoutie timeoutie;
+	u16 rsn_capab;
+	struct wpa_tdls_ftie *ftie;
+	u8 *rbuf, *pos, *count_pos;
+	u16 count;
+	struct rsn_ie_hdr *hdr;
+
+	if (!wpa_tdls_get_privacy(sm)) {
+		wpa_printf(MSG_DEBUG, "TDLS: No security used on the link");
+		peer->rsnie_i_len = 0;
+		goto skip_rsnie;
+	}
+
+	/*
+	 * TPK Handshake Message 1:
+	 * FTIE: ANonce=0, SNonce=initiator nonce MIC=0, DataKDs=(RSNIE_I,
+	 * Timeout Interval IE))
+	 */
+
+	/* Filling RSN IE */
+	hdr = (struct rsn_ie_hdr *) peer->rsnie_i;
+	hdr->elem_id = WLAN_EID_RSN;
+	WPA_PUT_LE16(hdr->version, RSN_VERSION);
+
+	pos = (u8 *) (hdr + 1);
+	RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED);
+	pos += RSN_SELECTOR_LEN;
+	count_pos = pos;
+	pos += 2;
+
+	count = 0;
+
+	/*
+	 * AES-CCMP is the default Encryption preferred for TDLS, so
+	 * RSN IE is filled only with CCMP CIPHER
+	 * Note: TKIP is not used to encrypt TDLS link.
+	 *
+	 * Regardless of the cipher used on the AP connection, select CCMP
+	 * here.
+	 */
+	RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_CCMP);
+	pos += RSN_SELECTOR_LEN;
+	count++;
+
+	WPA_PUT_LE16(count_pos, count);
+
+	WPA_PUT_LE16(pos, 1);
+	pos += 2;
+	RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_TPK_HANDSHAKE);
+	pos += RSN_SELECTOR_LEN;
+
+	rsn_capab = WPA_CAPABILITY_PEERKEY_ENABLED;
+	rsn_capab |= RSN_NUM_REPLAY_COUNTERS_16 << 2;
+#ifdef CONFIG_TDLS_TESTING
+	if (tdls_testing & TDLS_TESTING_ALT_RSN_IE) {
+		wpa_printf(MSG_DEBUG, "TDLS: Use alternative RSN IE for "
+			   "testing");
+		rsn_capab = WPA_CAPABILITY_PEERKEY_ENABLED;
+	}
+#endif /* CONFIG_TDLS_TESTING */
+	WPA_PUT_LE16(pos, rsn_capab);
+	pos += 2;
+#ifdef CONFIG_TDLS_TESTING
+	if (tdls_testing & TDLS_TESTING_ALT_RSN_IE) {
+		/* Number of PMKIDs */
+		*pos++ = 0x00;
+		*pos++ = 0x00;
+	}
+#endif /* CONFIG_TDLS_TESTING */
+
+	hdr->len = (pos - peer->rsnie_i) - 2;
+	peer->rsnie_i_len = pos - peer->rsnie_i;
+	wpa_hexdump(MSG_DEBUG, "TDLS: RSN IE for TPK handshake",
+		    peer->rsnie_i, peer->rsnie_i_len);
+
+skip_rsnie:
+	buf_len = 0;
+	if (wpa_tdls_get_privacy(sm))
+		buf_len += peer->rsnie_i_len + sizeof(struct wpa_tdls_ftie) +
+			sizeof(struct wpa_tdls_timeoutie);
+#ifdef CONFIG_TDLS_TESTING
+	if (wpa_tdls_get_privacy(sm) &&
+	    (tdls_testing & TDLS_TESTING_LONG_FRAME))
+		buf_len += 170;
+	if (tdls_testing & TDLS_TESTING_DIFF_BSSID)
+		buf_len += sizeof(struct wpa_tdls_lnkid);
+#endif /* CONFIG_TDLS_TESTING */
+	rbuf = os_zalloc(buf_len + 1);
+	if (rbuf == NULL) {
+		wpa_tdls_peer_free(sm, peer);
+		return -1;
+	}
+	pos = rbuf;
+
+	if (!wpa_tdls_get_privacy(sm))
+		goto skip_ies;
+
+	/* Initiator RSN IE */
+	pos = wpa_add_ie(pos, peer->rsnie_i, peer->rsnie_i_len);
+
+	ftie = (struct wpa_tdls_ftie *) pos;
+	ftie->ie_type = WLAN_EID_FAST_BSS_TRANSITION;
+	ftie->ie_len = sizeof(struct wpa_tdls_ftie) - 2;
+
+	if (os_get_random(peer->inonce, WPA_NONCE_LEN)) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"TDLS: Failed to get random data for initiator Nonce");
+		os_free(rbuf);
+		wpa_tdls_peer_free(sm, peer);
+		return -1;
+	}
+	wpa_hexdump(MSG_DEBUG, "TDLS: Initiator Nonce for TPK handshake",
+		    peer->inonce, WPA_NONCE_LEN);
+	os_memcpy(ftie->Snonce, peer->inonce, WPA_NONCE_LEN);
+
+	wpa_hexdump(MSG_DEBUG, "TDLS: FTIE for TPK Handshake M1",
+		    (u8 *) ftie, sizeof(struct wpa_tdls_ftie));
+
+	pos = (u8 *) (ftie + 1);
+
+#ifdef CONFIG_TDLS_TESTING
+	if (tdls_testing & TDLS_TESTING_LONG_FRAME) {
+		wpa_printf(MSG_DEBUG, "TDLS: Testing - add extra subelem to "
+			   "FTIE");
+		ftie->ie_len += 170;
+		*pos++ = 255; /* FTIE subelem */
+		*pos++ = 168; /* FTIE subelem length */
+		pos += 168;
+	}
+#endif /* CONFIG_TDLS_TESTING */
+
+	/* Lifetime */
+	peer->lifetime = TPK_LIFETIME;
+#ifdef CONFIG_TDLS_TESTING
+	if (tdls_testing & TDLS_TESTING_SHORT_LIFETIME) {
+		wpa_printf(MSG_DEBUG, "TDLS: Testing - use short TPK "
+			   "lifetime");
+		peer->lifetime = 301;
+	}
+	if (tdls_testing & TDLS_TESTING_LONG_LIFETIME) {
+		wpa_printf(MSG_DEBUG, "TDLS: Testing - use long TPK "
+			   "lifetime");
+		peer->lifetime = 0xffffffff;
+	}
+#endif /* CONFIG_TDLS_TESTING */
+	pos = wpa_add_tdls_timeoutie(pos, (u8 *) &timeoutie,
+				     sizeof(timeoutie), peer->lifetime);
+	wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds", peer->lifetime);
+
+skip_ies:
+
+#ifdef CONFIG_TDLS_TESTING
+	if (tdls_testing & TDLS_TESTING_DIFF_BSSID) {
+		wpa_printf(MSG_DEBUG, "TDLS: Testing - use incorrect BSSID in "
+			   "Link Identifier");
+		struct wpa_tdls_lnkid *l = (struct wpa_tdls_lnkid *) pos;
+		wpa_tdls_linkid(sm, peer, l);
+		l->bssid[5] ^= 0x01;
+		pos += sizeof(*l);
+	}
+#endif /* CONFIG_TDLS_TESTING */
+
+	wpa_printf(MSG_DEBUG, "TDLS: Sending TDLS Setup Request / TPK "
+		   "Handshake Message 1 (peer " MACSTR ")",
+		   MAC2STR(peer->addr));
+
+	wpa_tdls_tpk_send(sm, peer->addr, WLAN_TDLS_SETUP_REQUEST, 0, 0,
+			  rbuf, pos - rbuf);
+	os_free(rbuf);
+
+	return 0;
+}
+
+
+static int wpa_tdls_send_tpk_m2(struct wpa_sm *sm,
+				const unsigned char *src_addr, u8 dtoken,
+				struct wpa_tdls_lnkid *lnkid,
+				const struct wpa_tdls_peer *peer)
+{
+	u8 *rbuf, *pos;
+	size_t buf_len;
+	u32 lifetime;
+	struct wpa_tdls_timeoutie timeoutie;
+	struct wpa_tdls_ftie *ftie;
+
+	buf_len = 0;
+	if (wpa_tdls_get_privacy(sm)) {
+		/* Peer RSN IE, FTIE(Initiator Nonce, Responder Nonce),
+		 * Lifetime */
+		buf_len += peer->rsnie_i_len + sizeof(struct wpa_tdls_ftie) +
+			sizeof(struct wpa_tdls_timeoutie);
+#ifdef CONFIG_TDLS_TESTING
+		if (tdls_testing & TDLS_TESTING_LONG_FRAME)
+			buf_len += 170;
+#endif /* CONFIG_TDLS_TESTING */
+	}
+
+	rbuf = os_zalloc(buf_len + 1);
+	if (rbuf == NULL)
+		return -1;
+	pos = rbuf;
+
+	if (!wpa_tdls_get_privacy(sm))
+		goto skip_ies;
+
+	/* Peer RSN IE */
+	pos = wpa_add_ie(pos, peer->rsnie_p, peer->rsnie_p_len);
+
+	ftie = (struct wpa_tdls_ftie *) pos;
+	ftie->ie_type = WLAN_EID_FAST_BSS_TRANSITION;
+	/* TODO: ftie->mic_control to set 2-RESPONSE */
+	os_memcpy(ftie->Anonce, peer->rnonce, WPA_NONCE_LEN);
+	os_memcpy(ftie->Snonce, peer->inonce, WPA_NONCE_LEN);
+	ftie->ie_len = sizeof(struct wpa_tdls_ftie) - 2;
+	wpa_hexdump(MSG_DEBUG, "TDLS: FTIE for TPK M2",
+		    (u8 *) ftie, sizeof(*ftie));
+
+	pos = (u8 *) (ftie + 1);
+
+#ifdef CONFIG_TDLS_TESTING
+	if (tdls_testing & TDLS_TESTING_LONG_FRAME) {
+		wpa_printf(MSG_DEBUG, "TDLS: Testing - add extra subelem to "
+			   "FTIE");
+		ftie->ie_len += 170;
+		*pos++ = 255; /* FTIE subelem */
+		*pos++ = 168; /* FTIE subelem length */
+		pos += 168;
+	}
+#endif /* CONFIG_TDLS_TESTING */
+
+	/* Lifetime */
+	lifetime = peer->lifetime;
+#ifdef CONFIG_TDLS_TESTING
+	if (tdls_testing & TDLS_TESTING_WRONG_LIFETIME_RESP) {
+		wpa_printf(MSG_DEBUG, "TDLS: Testing - use wrong TPK "
+			   "lifetime in response");
+		lifetime++;
+	}
+#endif /* CONFIG_TDLS_TESTING */
+	pos = wpa_add_tdls_timeoutie(pos, (u8 *) &timeoutie,
+				     sizeof(timeoutie), lifetime);
+	wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds from initiator",
+		   lifetime);
+
+	/* compute MIC before sending */
+	wpa_tdls_ftie_mic(peer->tpk.kck, 2, (u8 *) lnkid, peer->rsnie_p,
+			  (u8 *) &timeoutie, (u8 *) ftie, ftie->mic);
+
+skip_ies:
+	wpa_tdls_tpk_send(sm, src_addr, WLAN_TDLS_SETUP_RESPONSE, dtoken, 0,
+			  rbuf, pos - rbuf);
+	os_free(rbuf);
+
+	return 0;
+}
+
+
+static int wpa_tdls_send_tpk_m3(struct wpa_sm *sm,
+				const unsigned char *src_addr, u8 dtoken,
+				struct wpa_tdls_lnkid *lnkid,
+				const struct wpa_tdls_peer *peer)
+{
+	u8 *rbuf, *pos;
+	size_t buf_len;
+	struct wpa_tdls_ftie *ftie;
+	struct wpa_tdls_timeoutie timeoutie;
+	u32 lifetime;
+
+	buf_len = 0;
+	if (wpa_tdls_get_privacy(sm)) {
+		/* Peer RSN IE, FTIE(Initiator Nonce, Responder Nonce),
+		 * Lifetime */
+		buf_len += peer->rsnie_i_len + sizeof(struct wpa_tdls_ftie) +
+			sizeof(struct wpa_tdls_timeoutie);
+#ifdef CONFIG_TDLS_TESTING
+		if (tdls_testing & TDLS_TESTING_LONG_FRAME)
+			buf_len += 170;
+#endif /* CONFIG_TDLS_TESTING */
+	}
+
+	rbuf = os_zalloc(buf_len + 1);
+	if (rbuf == NULL)
+		return -1;
+	pos = rbuf;
+
+	if (!wpa_tdls_get_privacy(sm))
+		goto skip_ies;
+
+	/* Peer RSN IE */
+	pos = wpa_add_ie(pos, peer->rsnie_p, peer->rsnie_p_len);
+
+	ftie = (struct wpa_tdls_ftie *) pos;
+	ftie->ie_type = WLAN_EID_FAST_BSS_TRANSITION;
+	/*TODO: ftie->mic_control to set 3-CONFIRM */
+	os_memcpy(ftie->Anonce, peer->rnonce, WPA_NONCE_LEN);
+	os_memcpy(ftie->Snonce, peer->inonce, WPA_NONCE_LEN);
+	ftie->ie_len = sizeof(struct wpa_tdls_ftie) - 2;
+
+	pos = (u8 *) (ftie + 1);
+
+#ifdef CONFIG_TDLS_TESTING
+	if (tdls_testing & TDLS_TESTING_LONG_FRAME) {
+		wpa_printf(MSG_DEBUG, "TDLS: Testing - add extra subelem to "
+			   "FTIE");
+		ftie->ie_len += 170;
+		*pos++ = 255; /* FTIE subelem */
+		*pos++ = 168; /* FTIE subelem length */
+		pos += 168;
+	}
+#endif /* CONFIG_TDLS_TESTING */
+
+	/* Lifetime */
+	lifetime = peer->lifetime;
+#ifdef CONFIG_TDLS_TESTING
+	if (tdls_testing & TDLS_TESTING_WRONG_LIFETIME_CONF) {
+		wpa_printf(MSG_DEBUG, "TDLS: Testing - use wrong TPK "
+			   "lifetime in confirm");
+		lifetime++;
+	}
+#endif /* CONFIG_TDLS_TESTING */
+	pos = wpa_add_tdls_timeoutie(pos, (u8 *) &timeoutie,
+				     sizeof(timeoutie), lifetime);
+	wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds",
+		   lifetime);
+
+	/* compute MIC before sending */
+	wpa_tdls_ftie_mic(peer->tpk.kck, 3, (u8 *) lnkid, peer->rsnie_p,
+			  (u8 *) &timeoutie, (u8 *) ftie, ftie->mic);
+
+skip_ies:
+	wpa_tdls_tpk_send(sm, src_addr, WLAN_TDLS_SETUP_CONFIRM, dtoken, 0,
+			  rbuf, pos - rbuf);
+	os_free(rbuf);
+
+	return 0;
+}
+
+
+static int wpa_tdls_process_tpk_m1(struct wpa_sm *sm, const u8 *src_addr,
+				   const u8 *buf, size_t len)
+{
+	struct wpa_tdls_peer *peer;
+	struct wpa_eapol_ie_parse kde;
+	struct wpa_ie_data ie;
+	int cipher;
+	const u8 *cpos;
+	struct wpa_tdls_ftie *ftie = NULL;
+	struct wpa_tdls_timeoutie *timeoutie;
+	struct wpa_tdls_lnkid *lnkid;
+	u32 lifetime = 0;
+#if 0
+	struct rsn_ie_hdr *hdr;
+	u8 *pos;
+	u16 rsn_capab;
+	u16 rsn_ver;
+#endif
+	u8 dtoken;
+	u16 ielen;
+	u16 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
+	int tdls_prohibited = sm->tdls_prohibited;
+
+	if (len < 3 + 3)
+		return -1;
+
+	cpos = buf;
+	cpos += 1 /* pkt_type */ + 1 /* Category */ + 1 /* Action */;
+
+	/* driver had already verified the frame format */
+	dtoken = *cpos++; /* dialog token */
+
+	wpa_printf(MSG_INFO, "TDLS: Dialog Token in TPK M1 %d", dtoken);
+
+	cpos += 2; /* capability information */
+
+	ielen = len - (cpos - buf); /* start of IE in buf */
+	if (wpa_supplicant_parse_ies(cpos, ielen, &kde) < 0) {
+		wpa_printf(MSG_INFO, "TDLS: Failed to parse IEs in TPK M1");
+		goto error;
+	}
+
+	if (kde.lnkid == NULL || kde.lnkid_len < 3 * ETH_ALEN) {
+		wpa_printf(MSG_INFO, "TDLS: No valid Link Identifier IE in "
+			   "TPK M1");
+		goto error;
+	}
+	wpa_hexdump(MSG_DEBUG, "TDLS: Link ID Received from TPK M1",
+		    kde.lnkid, kde.lnkid_len);
+	lnkid = (struct wpa_tdls_lnkid *) kde.lnkid;
+	if (os_memcmp(sm->bssid, lnkid->bssid, ETH_ALEN) != 0) {
+		wpa_printf(MSG_INFO, "TDLS: TPK M1 from diff BSS");
+		status = WLAN_STATUS_NOT_IN_SAME_BSS;
+		goto error;
+	}
+
+	wpa_printf(MSG_DEBUG, "TDLS: TPK M1 - TPK initiator " MACSTR,
+		   MAC2STR(src_addr));
+
+#ifdef CONFIG_TDLS_TESTING
+	if (tdls_testing & TDLS_TESTING_CONCURRENT_INIT) {
+		for (peer = sm->tdls; peer; peer = peer->next) {
+			if (os_memcmp(peer->addr, src_addr, ETH_ALEN) == 0)
+				break;
+		}
+		if (peer == NULL) {
+			peer = os_zalloc(sizeof(*peer));
+			if (peer == NULL)
+				goto error;
+			os_memcpy(peer->addr, src_addr, ETH_ALEN);
+			peer->next = sm->tdls;
+			sm->tdls = peer;
+		}
+		wpa_printf(MSG_DEBUG, "TDLS: Testing concurrent initiation of "
+			   "TDLS setup - send own request");
+		peer->initiator = 1;
+		wpa_tdls_send_tpk_m1(sm, peer);
+	}
+
+	if ((tdls_testing & TDLS_TESTING_IGNORE_AP_PROHIBIT) &&
+	    tdls_prohibited) {
+		wpa_printf(MSG_DEBUG, "TDLS: Testing - ignore AP prohibition "
+			   "on TDLS");
+		tdls_prohibited = 0;
+	}
+#endif /* CONFIG_TDLS_TESTING */
+
+	if (tdls_prohibited) {
+		wpa_printf(MSG_INFO, "TDLS: TDLS prohibited in this BSS");
+		status = WLAN_STATUS_REQUEST_DECLINED;
+		goto error;
+	}
+
+	if (!wpa_tdls_get_privacy(sm)) {
+		if (kde.rsn_ie) {
+			wpa_printf(MSG_INFO, "TDLS: RSN IE in TPK M1 while "
+				   "security is disabled");
+			status = WLAN_STATUS_SECURITY_DISABLED;
+			goto error;
+		}
+		goto skip_rsn;
+	}
+
+	if (kde.ftie == NULL || kde.ftie_len < sizeof(*ftie) ||
+	    kde.rsn_ie == NULL) {
+		wpa_printf(MSG_INFO, "TDLS: No FTIE or RSN IE in TPK M1");
+		status = WLAN_STATUS_INVALID_PARAMETERS;
+		goto error;
+	}
+
+	if (kde.rsn_ie_len > TDLS_MAX_IE_LEN) {
+		wpa_printf(MSG_INFO, "TDLS: Too long Initiator RSN IE in "
+			   "TPK M1");
+		status = WLAN_STATUS_INVALID_RSNIE;
+		goto error;
+	}
+
+	if (wpa_parse_wpa_ie_rsn(kde.rsn_ie, kde.rsn_ie_len, &ie) < 0) {
+		wpa_printf(MSG_INFO, "TDLS: Failed to parse RSN IE in TPK M1");
+		status = WLAN_STATUS_INVALID_RSNIE;
+		goto error;
+	}
+
+	cipher = ie.pairwise_cipher;
+	if (cipher & WPA_CIPHER_CCMP) {
+		wpa_printf(MSG_DEBUG, "TDLS: Using CCMP for direct link");
+		cipher = WPA_CIPHER_CCMP;
+	} else {
+		wpa_printf(MSG_INFO, "TDLS: No acceptable cipher in TPK M1");
+		status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
+		goto error;
+	}
+
+	if ((ie.capabilities &
+	     (WPA_CAPABILITY_NO_PAIRWISE | WPA_CAPABILITY_PEERKEY_ENABLED)) !=
+	    WPA_CAPABILITY_PEERKEY_ENABLED) {
+		wpa_printf(MSG_INFO, "TDLS: Invalid RSN Capabilities in "
+			   "TPK M1");
+		status = WLAN_STATUS_INVALID_RSN_IE_CAPAB;
+		goto error;
+	}
+
+	/* Lifetime */
+	if (kde.key_lifetime == NULL) {
+		wpa_printf(MSG_INFO, "TDLS: No Key Lifetime IE in TPK M1");
+		status = WLAN_STATUS_UNACCEPTABLE_LIFETIME;
+		goto error;
+	}
+	timeoutie = (struct wpa_tdls_timeoutie *) kde.key_lifetime;
+	lifetime = WPA_GET_LE32(timeoutie->value);
+	wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds", lifetime);
+	if (lifetime < 300) {
+		wpa_printf(MSG_INFO, "TDLS: Too short TPK lifetime");
+		status = WLAN_STATUS_UNACCEPTABLE_LIFETIME;
+		goto error;
+	}
+
+skip_rsn:
+	/* Find existing entry and if found, use that instead of adding
+	 * a new one; how to handle the case where both ends initiate at the
+	 * same time? */
+	for (peer = sm->tdls; peer; peer = peer->next) {
+		if (os_memcmp(peer->addr, src_addr, ETH_ALEN) == 0)
+			break;
+	}
+
+	if (peer == NULL) {
+		wpa_printf(MSG_INFO, "TDLS: No matching entry found for "
+			   "peer, creating one for " MACSTR,
+			   MAC2STR(src_addr));
+		peer = os_malloc(sizeof(*peer));
+		if (peer == NULL)
+			goto error;
+		os_memset(peer, 0, sizeof(*peer));
+		os_memcpy(peer->addr, src_addr, ETH_ALEN);
+		peer->next = sm->tdls;
+		sm->tdls = peer;
+	} else {
+		if (peer->tpk_success) {
+			wpa_printf(MSG_DEBUG, "TDLS: TDLS Setup Request while "
+				   "direct link is enabled - tear down the "
+				   "old link first");
+#if 0
+			/* TODO: Disabling the link would be more proper
+			 * operation here, but it seems to trigger a race with
+			 * some drivers handling the new request frame. */
+			wpa_sm_tdls_oper(sm, TDLS_DISABLE_LINK, src_addr);
+#else
+			wpa_tdls_del_key(sm, peer);
+#endif
+			wpa_tdls_peer_free(sm, peer);
+		}
+
+		/*
+		 * An entry is already present, so check if we already sent a
+		 * TDLS Setup Request. If so, compare MAC addresses and let the
+		 * STA with the lower MAC address continue as the initiator.
+		 * The other negotiation is terminated.
+		 */
+		if (peer->initiator) {
+			if (os_memcmp(sm->own_addr, src_addr, ETH_ALEN) < 0) {
+				wpa_printf(MSG_DEBUG, "TDLS: Discard request "
+					   "from peer with higher address "
+					   MACSTR, MAC2STR(src_addr));
+				return -1;
+			} else {
+				wpa_printf(MSG_DEBUG, "TDLS: Accept request "
+					   "from peer with lower address "
+					   MACSTR " (terminate previously "
+					   "initiated negotiation",
+					   MAC2STR(src_addr));
+				wpa_tdls_peer_free(sm, peer);
+			}
+		}
+	}
+
+	peer->initiator = 0; /* Need to check */
+	peer->dtoken = dtoken;
+
+	if (!wpa_tdls_get_privacy(sm)) {
+		peer->rsnie_i_len = 0;
+		peer->rsnie_p_len = 0;
+		peer->cipher = WPA_CIPHER_NONE;
+		goto skip_rsn_check;
+	}
+
+	ftie = (struct wpa_tdls_ftie *) kde.ftie;
+	os_memcpy(peer->inonce, ftie->Snonce, WPA_NONCE_LEN);
+	os_memcpy(peer->rsnie_i, kde.rsn_ie, kde.rsn_ie_len);
+	peer->rsnie_i_len = kde.rsn_ie_len;
+	peer->cipher = cipher;
+
+	if (os_get_random(peer->rnonce, WPA_NONCE_LEN)) {
+		wpa_msg(sm->ctx->ctx, MSG_WARNING,
+			"TDLS: Failed to get random data for responder nonce");
+		wpa_tdls_peer_free(sm, peer);
+		goto error;
+	}
+
+#if 0
+	/* get version info from RSNIE received from Peer */
+	hdr = (struct rsn_ie_hdr *) kde.rsn_ie;
+	rsn_ver = WPA_GET_LE16(hdr->version);
+
+	/* use min(peer's version, out version) */
+	if (rsn_ver > RSN_VERSION)
+		rsn_ver = RSN_VERSION;
+
+	hdr = (struct rsn_ie_hdr *) peer->rsnie_p;
+
+	hdr->elem_id = WLAN_EID_RSN;
+	WPA_PUT_LE16(hdr->version, rsn_ver);
+	pos = (u8 *) (hdr + 1);
+
+	RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED);
+	pos += RSN_SELECTOR_LEN;
+	/* Include only the selected cipher in pairwise cipher suite */
+	WPA_PUT_LE16(pos, 1);
+	pos += 2;
+	if (cipher == WPA_CIPHER_CCMP)
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_CCMP);
+	pos += RSN_SELECTOR_LEN;
+
+	WPA_PUT_LE16(pos, 1);
+	pos += 2;
+	RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_TPK_HANDSHAKE);
+	pos += RSN_SELECTOR_LEN;
+
+	rsn_capab = WPA_CAPABILITY_PEERKEY_ENABLED;
+	rsn_capab |= RSN_NUM_REPLAY_COUNTERS_16 << 2;
+	WPA_PUT_LE16(pos, rsn_capab);
+	pos += 2;
+
+	hdr->len = (pos - peer->rsnie_p) - 2;
+	peer->rsnie_p_len = pos - peer->rsnie_p;
+#endif
+
+	/* temp fix: validation of RSNIE later */
+	os_memcpy(peer->rsnie_p, peer->rsnie_i, peer->rsnie_i_len);
+	peer->rsnie_p_len = peer->rsnie_i_len;
+
+	wpa_hexdump(MSG_DEBUG, "TDLS: RSN IE for TPK handshake",
+		    peer->rsnie_p, peer->rsnie_p_len);
+
+	peer->lifetime = lifetime;
+
+	wpa_tdls_generate_tpk(peer, sm->own_addr, sm->bssid);
+
+skip_rsn_check:
+	wpa_printf(MSG_DEBUG, "TDLS: Sending TDLS Setup Response / TPK M2");
+	wpa_tdls_send_tpk_m2(sm, src_addr, dtoken, lnkid, peer);
+
+	return 0;
+
+error:
+	wpa_tdls_send_error(sm, src_addr, WLAN_TDLS_SETUP_RESPONSE, dtoken,
+			    status);
+	return -1;
+}
+
+
+static void wpa_tdls_enable_link(struct wpa_sm *sm, struct wpa_tdls_peer *peer)
+{
+	peer->tpk_success = 1;
+	eloop_cancel_timeout(wpa_tdls_tpk_timeout, sm, peer);
+	if (wpa_tdls_get_privacy(sm)) {
+		u32 lifetime = peer->lifetime;
+		/*
+		 * Start the initiator process a bit earlier to avoid race
+		 * condition with the responder sending teardown request.
+		 */
+		if (lifetime > 3 && peer->initiator)
+			lifetime -= 3;
+		eloop_register_timeout(lifetime, 0, wpa_tdls_tpk_timeout,
+				       sm, peer);
+#ifdef CONFIG_TDLS_TESTING
+	if (tdls_testing & TDLS_TESTING_NO_TPK_EXPIRATION) {
+		wpa_printf(MSG_DEBUG, "TDLS: Testing - disable TPK "
+			   "expiration");
+		eloop_cancel_timeout(wpa_tdls_tpk_timeout, sm, peer);
+	}
+#endif /* CONFIG_TDLS_TESTING */
+	}
+	wpa_sm_tdls_oper(sm, TDLS_ENABLE_LINK, peer->addr);
+}
+
+
+static int wpa_tdls_process_tpk_m2(struct wpa_sm *sm, const u8 *src_addr,
+				   const u8 *buf, size_t len)
+{
+	struct wpa_tdls_peer *peer;
+	struct wpa_eapol_ie_parse kde;
+	struct wpa_ie_data ie;
+	int cipher;
+	struct wpa_tdls_ftie *ftie;
+	struct wpa_tdls_timeoutie *timeoutie;
+	struct wpa_tdls_lnkid *lnkid;
+	u32 lifetime;
+	u8 dtoken;
+	int ielen;
+	u16 status;
+	const u8 *pos;
+
+	wpa_printf(MSG_DEBUG, "TDLS: Received TDLS Setup Response / TPK M2 "
+		   "(Peer " MACSTR ")", MAC2STR(src_addr));
+	for (peer = sm->tdls; peer; peer = peer->next) {
+		if (os_memcmp(peer->addr, src_addr, ETH_ALEN) == 0)
+			break;
+	}
+	if (peer == NULL) {
+		wpa_printf(MSG_INFO, "TDLS: No matching peer found for "
+			   "TPK M2: " MACSTR, MAC2STR(src_addr));
+		return -1;
+	}
+	wpa_tdls_tpk_retry_timeout_cancel(sm, peer, WLAN_TDLS_SETUP_REQUEST);
+
+	if (len < 3 + 2 + 1)
+		return -1;
+	pos = buf;
+	pos += 1 /* pkt_type */ + 1 /* Category */ + 1 /* Action */;
+	status = WPA_GET_LE16(pos);
+	pos += 2 /* status code */;
+
+	if (status != WLAN_STATUS_SUCCESS) {
+		wpa_printf(MSG_INFO, "TDLS: Status code in TPK M2: %u",
+			   status);
+		return -1;
+	}
+
+	status = WLAN_STATUS_UNSPECIFIED_FAILURE;
+
+	/* TODO: need to verify dialog token matches here or in kernel */
+	dtoken = *pos++; /* dialog token */
+
+	wpa_printf(MSG_DEBUG, "TDLS: Dialog Token in TPK M2 %d", dtoken);
+
+	if (len < 3 + 2 + 1 + 2)
+		return -1;
+	pos += 2; /* capability information */
+
+	ielen = len - (pos - buf); /* start of IE in buf */
+	if (wpa_supplicant_parse_ies(pos, ielen, &kde) < 0) {
+		wpa_printf(MSG_INFO, "TDLS: Failed to parse IEs in TPK M2");
+		goto error;
+	}
+
+#ifdef CONFIG_TDLS_TESTING
+	if (tdls_testing & TDLS_TESTING_DECLINE_RESP) {
+		wpa_printf(MSG_DEBUG, "TDLS: Testing - decline response");
+		status = WLAN_STATUS_REQUEST_DECLINED;
+		goto error;
+	}
+#endif /* CONFIG_TDLS_TESTING */
+
+	if (kde.lnkid == NULL || kde.lnkid_len < 3 * ETH_ALEN) {
+		wpa_printf(MSG_INFO, "TDLS: No valid Link Identifier IE in "
+			   "TPK M2");
+		goto error;
+	}
+	wpa_hexdump(MSG_DEBUG, "TDLS: Link ID Received from TPK M2",
+		    kde.lnkid, kde.lnkid_len);
+	lnkid = (struct wpa_tdls_lnkid *) kde.lnkid;
+
+	if (os_memcmp(sm->bssid, lnkid->bssid, ETH_ALEN) != 0) {
+		wpa_printf(MSG_INFO, "TDLS: TPK M2 from different BSS");
+		status = WLAN_STATUS_NOT_IN_SAME_BSS;
+		goto error;
+	}
+
+	if (!wpa_tdls_get_privacy(sm)) {
+		peer->rsnie_p_len = 0;
+		peer->cipher = WPA_CIPHER_NONE;
+		goto skip_rsn;
+	}
+
+	if (kde.ftie == NULL || kde.ftie_len < sizeof(*ftie) ||
+	    kde.rsn_ie == NULL) {
+		wpa_printf(MSG_INFO, "TDLS: No FTIE or RSN IE in TPK M2");
+		status = WLAN_STATUS_INVALID_PARAMETERS;
+		goto error;
+	}
+	wpa_hexdump(MSG_DEBUG, "TDLS: RSN IE Received from TPK M2",
+		    kde.rsn_ie, kde.rsn_ie_len);
+
+	/*
+	 * FIX: bitwise comparison of RSN IE is not the correct way of
+	 * validation this. It can be different, but certain fields must
+	 * match. Since we list only a single pairwise cipher in TPK M1, the
+	 * memcmp is likely to work in most cases, though.
+	 */
+	if (kde.rsn_ie_len != peer->rsnie_i_len ||
+	    os_memcmp(peer->rsnie_i, kde.rsn_ie, peer->rsnie_i_len) != 0) {
+		wpa_printf(MSG_INFO, "TDLS: RSN IE in TPK M2 does "
+			   "not match with RSN IE used in TPK M1");
+		wpa_hexdump(MSG_DEBUG, "TDLS: RSN IE Sent in TPK M1",
+			    peer->rsnie_i, peer->rsnie_i_len);
+		wpa_hexdump(MSG_DEBUG, "TDLS: RSN IE Received from TPK M2",
+			    kde.rsn_ie, kde.rsn_ie_len);
+		status = WLAN_STATUS_INVALID_RSNIE;
+		goto error;
+	}
+
+	if (wpa_parse_wpa_ie_rsn(kde.rsn_ie, kde.rsn_ie_len, &ie) < 0) {
+		wpa_printf(MSG_INFO, "TDLS: Failed to parse RSN IE in TPK M2");
+		status = WLAN_STATUS_INVALID_RSNIE;
+		goto error;
+	}
+
+	cipher = ie.pairwise_cipher;
+	if (cipher == WPA_CIPHER_CCMP) {
+		wpa_printf(MSG_DEBUG, "TDLS: Using CCMP for direct link");
+		cipher = WPA_CIPHER_CCMP;
+	} else {
+		wpa_printf(MSG_INFO, "TDLS: No acceptable cipher in TPK M2");
+		status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
+		goto error;
+	}
+
+	wpa_hexdump(MSG_DEBUG, "TDLS: FTIE Received from TPK M2",
+		    kde.ftie, sizeof(*ftie));
+	ftie = (struct wpa_tdls_ftie *) kde.ftie;
+
+	if (!os_memcmp(peer->inonce, ftie->Snonce, WPA_NONCE_LEN) == 0) {
+		wpa_printf(MSG_INFO, "TDLS: FTIE SNonce in TPK M2 does "
+			   "not match with FTIE SNonce used in TPK M1");
+		/* Silently discard the frame */
+		return -1;
+	}
+
+	/* Responder Nonce and RSN IE */
+	os_memcpy(peer->rnonce, ftie->Anonce, WPA_NONCE_LEN);
+	os_memcpy(peer->rsnie_p, kde.rsn_ie, kde.rsn_ie_len);
+	peer->rsnie_p_len = kde.rsn_ie_len;
+	peer->cipher = cipher;
+
+	/* Lifetime */
+	if (kde.key_lifetime == NULL) {
+		wpa_printf(MSG_INFO, "TDLS: No Key Lifetime IE in TPK M2");
+		status = WLAN_STATUS_UNACCEPTABLE_LIFETIME;
+		goto error;
+	}
+	timeoutie = (struct wpa_tdls_timeoutie *) kde.key_lifetime;
+	lifetime = WPA_GET_LE32(timeoutie->value);
+	wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds in TPK M2",
+		   lifetime);
+	if (lifetime != peer->lifetime) {
+		wpa_printf(MSG_INFO, "TDLS: Unexpected TPK lifetime %u in "
+			   "TPK M2 (expected %u)", lifetime, peer->lifetime);
+		status = WLAN_STATUS_UNACCEPTABLE_LIFETIME;
+		goto error;
+	}
+
+	wpa_tdls_generate_tpk(peer, sm->own_addr, sm->bssid);
+
+	/* Process MIC check to see if TPK M2 is right */
+	if (wpa_supplicant_verify_tdls_mic(2, peer, (u8 *) lnkid,
+					   (u8 *) timeoutie, ftie) < 0) {
+		/* Discard the frame */
+		wpa_tdls_del_key(sm, peer);
+		wpa_tdls_peer_free(sm, peer);
+		return -1;
+	}
+
+	wpa_tdls_set_key(sm, peer);
+
+skip_rsn:
+	peer->dtoken = dtoken;
+
+	wpa_printf(MSG_DEBUG, "TDLS: Sending TDLS Setup Confirm / "
+		   "TPK Handshake Message 3");
+	wpa_tdls_send_tpk_m3(sm, src_addr, dtoken, lnkid, peer);
+
+	wpa_tdls_enable_link(sm, peer);
+
+	return 0;
+
+error:
+	wpa_tdls_send_error(sm, src_addr, WLAN_TDLS_SETUP_CONFIRM, dtoken,
+			    status);
+	return -1;
+}
+
+
+static int wpa_tdls_process_tpk_m3(struct wpa_sm *sm, const u8 *src_addr,
+				   const u8 *buf, size_t len)
+{
+	struct wpa_tdls_peer *peer;
+	struct wpa_eapol_ie_parse kde;
+	struct wpa_tdls_ftie *ftie;
+	struct wpa_tdls_timeoutie *timeoutie;
+	struct wpa_tdls_lnkid *lnkid;
+	int ielen;
+	u16 status;
+	const u8 *pos;
+	u32 lifetime;
+
+	wpa_printf(MSG_DEBUG, "TDLS: Received TDLS Setup Confirm / TPK M3 "
+		   "(Peer " MACSTR ")", MAC2STR(src_addr));
+	for (peer = sm->tdls; peer; peer = peer->next) {
+		if (os_memcmp(peer->addr, src_addr, ETH_ALEN) == 0)
+			break;
+	}
+	if (peer == NULL) {
+		wpa_printf(MSG_INFO, "TDLS: No matching peer found for "
+			   "TPK M3: " MACSTR, MAC2STR(src_addr));
+		return -1;
+	}
+	wpa_tdls_tpk_retry_timeout_cancel(sm, peer, WLAN_TDLS_SETUP_RESPONSE);
+
+	if (len < 3 + 3)
+		return -1;
+	pos = buf;
+	pos += 1 /* pkt_type */ + 1 /* Category */ + 1 /* Action */;
+
+	status = WPA_GET_LE16(pos);
+
+	if (status != 0) {
+		wpa_printf(MSG_INFO, "TDLS: Status code in TPK M3: %u",
+			   status);
+		return -1;
+	}
+	pos += 2 /* status code */ + 1 /* dialog token */;
+
+	ielen = len - (pos - buf); /* start of IE in buf */
+	if (wpa_supplicant_parse_ies((const u8 *) pos, ielen, &kde) < 0) {
+		wpa_printf(MSG_INFO, "TDLS: Failed to parse KDEs in TPK M3");
+		return -1;
+	}
+
+	if (kde.lnkid == NULL || kde.lnkid_len < 3 * ETH_ALEN) {
+		wpa_printf(MSG_INFO, "TDLS: No Link Identifier IE in TPK M3");
+		return -1;
+	}
+	wpa_hexdump(MSG_DEBUG, "TDLS: Link ID Received from TPK M3",
+		    (u8 *) kde.lnkid, kde.lnkid_len);
+	lnkid = (struct wpa_tdls_lnkid *) kde.lnkid;
+
+	if (os_memcmp(sm->bssid, lnkid->bssid, ETH_ALEN) != 0) {
+		wpa_printf(MSG_INFO, "TDLS: TPK M3 from diff BSS");
+		return -1;
+	}
+
+	if (!wpa_tdls_get_privacy(sm))
+		goto skip_rsn;
+
+	if (kde.ftie == NULL || kde.ftie_len < sizeof(*ftie)) {
+		wpa_printf(MSG_INFO, "TDLS: No FTIE in TPK M3");
+		return -1;
+	}
+	wpa_hexdump(MSG_DEBUG, "TDLS: FTIE Received from TPK M3",
+		    kde.ftie, sizeof(*ftie));
+	ftie = (struct wpa_tdls_ftie *) kde.ftie;
+
+	if (kde.rsn_ie == NULL) {
+		wpa_printf(MSG_INFO, "TDLS: No RSN IE in TPK M3");
+		return -1;
+	}
+	wpa_hexdump(MSG_DEBUG, "TDLS: RSN IE Received from TPK M3",
+		    kde.rsn_ie, kde.rsn_ie_len);
+	if (kde.rsn_ie_len != peer->rsnie_p_len ||
+	    os_memcmp(kde.rsn_ie, peer->rsnie_p, peer->rsnie_p_len) != 0) {
+		wpa_printf(MSG_INFO, "TDLS: RSN IE in TPK M3 does not match "
+			   "with the one sent in TPK M2");
+		return -1;
+	}
+
+	if (!os_memcmp(peer->rnonce, ftie->Anonce, WPA_NONCE_LEN) == 0) {
+		wpa_printf(MSG_INFO, "TDLS: FTIE ANonce in TPK M3 does "
+			   "not match with FTIE ANonce used in TPK M2");
+		return -1;
+	}
+
+	if (!os_memcmp(peer->inonce, ftie->Snonce, WPA_NONCE_LEN) == 0) {
+		wpa_printf(MSG_INFO, "TDLS: FTIE SNonce in TPK M3 does not "
+			   "match with FTIE SNonce used in TPK M1");
+		return -1;
+	}
+
+	if (kde.key_lifetime == NULL) {
+		wpa_printf(MSG_INFO, "TDLS: No Key Lifetime IE in TPK M3");
+		return -1;
+	}
+	timeoutie = (struct wpa_tdls_timeoutie *) kde.key_lifetime;
+	wpa_hexdump(MSG_DEBUG, "TDLS: Timeout IE Received from TPK M3",
+		    (u8 *) timeoutie, sizeof(*timeoutie));
+	lifetime = WPA_GET_LE32(timeoutie->value);
+	wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds in TPK M3",
+		   lifetime);
+	if (lifetime != peer->lifetime) {
+		wpa_printf(MSG_INFO, "TDLS: Unexpected TPK lifetime %u in "
+			   "TPK M3 (expected %u)", lifetime, peer->lifetime);
+		return -1;
+	}
+
+	if (wpa_supplicant_verify_tdls_mic(3, peer, (u8 *) lnkid,
+					   (u8 *) timeoutie, ftie) < 0) {
+		wpa_tdls_del_key(sm, peer);
+		wpa_tdls_peer_free(sm, peer);
+		return -1;
+	}
+
+	if (wpa_tdls_set_key(sm, peer) < 0)
+		return -1;
+
+skip_rsn:
+	wpa_tdls_enable_link(sm, peer);
+
+	return 0;
+}
+
+
+static u8 * wpa_add_tdls_timeoutie(u8 *pos, u8 *ie, size_t ie_len, u32 tsecs)
+{
+	struct wpa_tdls_timeoutie *lifetime = (struct wpa_tdls_timeoutie *) ie;
+
+	os_memset(lifetime, 0, ie_len);
+	lifetime->ie_type = WLAN_EID_TIMEOUT_INTERVAL;
+	lifetime->ie_len = sizeof(struct wpa_tdls_timeoutie) - 2;
+	lifetime->interval_type = WLAN_TIMEOUT_KEY_LIFETIME;
+	WPA_PUT_LE32(lifetime->value, tsecs);
+	os_memcpy(pos, ie, ie_len);
+	return pos + ie_len;
+}
+
+
+/**
+ * wpa_tdls_start - Initiate TDLS handshake (send TPK Handshake Message 1)
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @peer: MAC address of the peer STA
+ * Returns: 0 on success, or -1 on failure
+ *
+ * Send TPK Handshake Message 1 info to driver to start TDLS
+ * handshake with the peer.
+ */
+int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr)
+{
+	struct wpa_tdls_peer *peer;
+	int tdls_prohibited = sm->tdls_prohibited;
+
+	if (sm->tdls_disabled)
+		return -1;
+
+#ifdef CONFIG_TDLS_TESTING
+	if ((tdls_testing & TDLS_TESTING_IGNORE_AP_PROHIBIT) &&
+	    tdls_prohibited) {
+		wpa_printf(MSG_DEBUG, "TDLS: Testing - ignore AP prohibition "
+			   "on TDLS");
+		tdls_prohibited = 0;
+	}
+#endif /* CONFIG_TDLS_TESTING */
+
+	if (tdls_prohibited) {
+		wpa_printf(MSG_DEBUG, "TDLS: TDLS is prohibited in this BSS - "
+			   "reject request to start setup");
+		return -1;
+	}
+
+	/* Find existing entry and if found, use that instead of adding
+	 * a new one */
+	for (peer = sm->tdls; peer; peer = peer->next) {
+		if (os_memcmp(peer->addr, addr, ETH_ALEN) == 0)
+			break;
+	}
+
+	if (peer == NULL) {
+		wpa_printf(MSG_INFO, "TDLS: No matching entry found for "
+			   "peer, creating one for " MACSTR, MAC2STR(addr));
+		peer = os_malloc(sizeof(*peer));
+		if (peer == NULL)
+			return -1;
+		os_memset(peer, 0, sizeof(*peer));
+		os_memcpy(peer->addr, addr, ETH_ALEN);
+		peer->next = sm->tdls;
+		sm->tdls = peer;
+	}
+
+	peer->initiator = 1;
+
+	return wpa_tdls_send_tpk_m1(sm, peer);
+}
+
+
+int wpa_tdls_reneg(struct wpa_sm *sm, const u8 *addr)
+{
+	struct wpa_tdls_peer *peer;
+
+	if (sm->tdls_disabled)
+		return -1;
+
+	for (peer = sm->tdls; peer; peer = peer->next) {
+		if (os_memcmp(peer->addr, addr, ETH_ALEN) == 0)
+			break;
+	}
+
+	if (peer == NULL || !peer->tpk_success)
+		return -1;
+
+	return wpa_tdls_start(sm, addr);
+}
+
+
+/**
+ * wpa_supplicant_rx_tdls - Receive TDLS data frame
+ *
+ * This function is called to receive TDLS (ethertype = 0x890d) data frames.
+ */
+static void wpa_supplicant_rx_tdls(void *ctx, const u8 *src_addr,
+				   const u8 *buf, size_t len)
+{
+	struct wpa_sm *sm = ctx;
+	struct wpa_tdls_frame *tf;
+
+	wpa_hexdump(MSG_DEBUG, "TDLS: Received Data frame encapsulation",
+		    buf, len);
+
+	if (sm->tdls_disabled) {
+		wpa_printf(MSG_DEBUG, "TDLS: Discard message - TDLS disabled");
+		return;
+	}
+
+	if (os_memcmp(src_addr, sm->own_addr, ETH_ALEN) == 0) {
+		wpa_printf(MSG_DEBUG, "TDLS: Discard copy of own message");
+		return;
+	}
+
+	if (len < sizeof(*tf)) {
+		wpa_printf(MSG_INFO, "TDLS: Drop too short frame");
+		return;
+	}
+
+	/* Check to make sure its a valid encapsulated TDLS frame */
+	tf = (struct wpa_tdls_frame *) buf;
+	if (tf->payloadtype != 2 /* TDLS_RFTYPE */ ||
+	    tf->category != WLAN_ACTION_TDLS) {
+		wpa_printf(MSG_INFO, "TDLS: Invalid frame - payloadtype=%u "
+			   "category=%u action=%u",
+			   tf->payloadtype, tf->category, tf->action);
+		return;
+	}
+
+	switch (tf->action) {
+	case WLAN_TDLS_SETUP_REQUEST:
+		wpa_tdls_process_tpk_m1(sm, src_addr, buf, len);
+		break;
+	case WLAN_TDLS_SETUP_RESPONSE:
+		wpa_tdls_process_tpk_m2(sm, src_addr, buf, len);
+		break;
+	case WLAN_TDLS_SETUP_CONFIRM:
+		wpa_tdls_process_tpk_m3(sm, src_addr, buf, len);
+		break;
+	case WLAN_TDLS_TEARDOWN:
+		wpa_tdls_recv_teardown(sm, src_addr, buf, len);
+		break;
+	default:
+		/* Kernel code will process remaining frames */
+		wpa_printf(MSG_DEBUG, "TDLS: Ignore TDLS frame action code %u",
+			   tf->action);
+		break;
+	}
+}
+
+
+/**
+ * wpa_tdls_init - Initialize driver interface parameters for TDLS
+ * @wpa_s: Pointer to wpa_supplicant data
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is called to initialize driver interface parameters for TDLS.
+ * wpa_drv_init() must have been called before this function to initialize the
+ * driver interface.
+ */
+int wpa_tdls_init(struct wpa_sm *sm)
+{
+	if (sm == NULL)
+		return -1;
+
+	sm->l2_tdls = l2_packet_init(sm->ifname, sm->own_addr,
+				     ETH_P_80211_ENCAP, wpa_supplicant_rx_tdls,
+				     sm, 0);
+	if (sm->l2_tdls == NULL) {
+		wpa_printf(MSG_ERROR, "TDLS: Failed to open l2_packet "
+			   "connection");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static void wpa_tdls_remove_peers(struct wpa_sm *sm)
+{
+	struct wpa_tdls_peer *peer, *tmp;
+
+	peer = sm->tdls;
+	sm->tdls = NULL;
+
+	while (peer) {
+		int res;
+		tmp = peer->next;
+		res = wpa_sm_tdls_oper(sm, TDLS_DISABLE_LINK, peer->addr);
+		wpa_printf(MSG_DEBUG, "TDLS: Remove peer " MACSTR " (res=%d)",
+			   MAC2STR(peer->addr), res);
+		wpa_tdls_peer_free(sm, peer);
+		os_free(peer);
+		peer = tmp;
+	}
+}
+
+
+/**
+ * wpa_tdls_deinit - Deinitialize driver interface parameters for TDLS
+ *
+ * This function is called to recover driver interface parameters for TDLS
+ * and frees resources allocated for it.
+ */
+void wpa_tdls_deinit(struct wpa_sm *sm)
+{
+	if (sm == NULL)
+		return;
+
+	if (sm->l2_tdls)
+		l2_packet_deinit(sm->l2_tdls);
+	sm->l2_tdls = NULL;
+
+	wpa_tdls_remove_peers(sm);
+}
+
+
+void wpa_tdls_assoc(struct wpa_sm *sm)
+{
+	wpa_printf(MSG_DEBUG, "TDLS: Remove peers on association");
+	wpa_tdls_remove_peers(sm);
+}
+
+
+void wpa_tdls_disassoc(struct wpa_sm *sm)
+{
+	wpa_printf(MSG_DEBUG, "TDLS: Remove peers on disassociation");
+	wpa_tdls_remove_peers(sm);
+}
+
+
+static int wpa_tdls_prohibited(const u8 *ies, size_t len)
+{
+	struct wpa_eapol_ie_parse elems;
+
+	if (ies == NULL)
+		return 0;
+
+	if (wpa_supplicant_parse_ies(ies, len, &elems) < 0)
+		return 0;
+
+	if (elems.ext_capab == NULL || elems.ext_capab_len < 2 + 5)
+		return 0;
+
+	 /* bit 38 - TDLS Prohibited */
+	return !!(elems.ext_capab[2 + 4] & 0x40);
+}
+
+
+void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len)
+{
+	sm->tdls_prohibited = wpa_tdls_prohibited(ies, len);
+	wpa_printf(MSG_DEBUG, "TDLS: TDLS is %s in the target BSS",
+		   sm->tdls_prohibited ? "prohibited" : "allowed");
+}
+
+
+void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len)
+{
+	if (!sm->tdls_prohibited && wpa_tdls_prohibited(ies, len)) {
+		wpa_printf(MSG_DEBUG, "TDLS: TDLS prohibited based on "
+			   "(Re)Association Response IEs");
+		sm->tdls_prohibited = 1;
+	}
+}
+
+
+void wpa_tdls_enable(struct wpa_sm *sm, int enabled)
+{
+	wpa_printf(MSG_DEBUG, "TDLS: %s", enabled ? "enabled" : "disabled");
+	sm->tdls_disabled = !enabled;
+}
diff --git a/src/rsn_supp/wpa.c b/src/rsn_supp/wpa.c
new file mode 100644
index 0000000..01a46dc
--- /dev/null
+++ b/src/rsn_supp/wpa.c
@@ -0,0 +1,2644 @@
+/*
+ * WPA Supplicant - WPA state machine and EAPOL-Key processing
+ * Copyright (c) 2003-2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/aes_wrap.h"
+#include "crypto/crypto.h"
+#include "crypto/random.h"
+#include "common/ieee802_11_defs.h"
+#include "eapol_supp/eapol_supp_sm.h"
+#include "wpa.h"
+#include "eloop.h"
+#include "preauth.h"
+#include "pmksa_cache.h"
+#include "wpa_i.h"
+#include "wpa_ie.h"
+#include "peerkey.h"
+
+
+/**
+ * wpa_eapol_key_send - Send WPA/RSN EAPOL-Key message
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @kck: Key Confirmation Key (KCK, part of PTK)
+ * @ver: Version field from Key Info
+ * @dest: Destination address for the frame
+ * @proto: Ethertype (usually ETH_P_EAPOL)
+ * @msg: EAPOL-Key message
+ * @msg_len: Length of message
+ * @key_mic: Pointer to the buffer to which the EAPOL-Key MIC is written
+ */
+void wpa_eapol_key_send(struct wpa_sm *sm, const u8 *kck,
+			int ver, const u8 *dest, u16 proto,
+			u8 *msg, size_t msg_len, u8 *key_mic)
+{
+	if (is_zero_ether_addr(dest) && is_zero_ether_addr(sm->bssid)) {
+		/*
+		 * Association event was not yet received; try to fetch
+		 * BSSID from the driver.
+		 */
+		if (wpa_sm_get_bssid(sm, sm->bssid) < 0) {
+			wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+				"WPA: Failed to read BSSID for "
+				"EAPOL-Key destination address");
+		} else {
+			dest = sm->bssid;
+			wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+				"WPA: Use BSSID (" MACSTR
+				") as the destination for EAPOL-Key",
+				MAC2STR(dest));
+		}
+	}
+	if (key_mic &&
+	    wpa_eapol_key_mic(kck, ver, msg, msg_len, key_mic)) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_ERROR,
+			"WPA: Failed to generate EAPOL-Key "
+			"version %d MIC", ver);
+		goto out;
+	}
+	wpa_hexdump_key(MSG_DEBUG, "WPA: KCK", kck, 16);
+	wpa_hexdump(MSG_DEBUG, "WPA: Derived Key MIC", key_mic, 16);
+	wpa_hexdump(MSG_MSGDUMP, "WPA: TX EAPOL-Key", msg, msg_len);
+	wpa_sm_ether_send(sm, dest, proto, msg, msg_len);
+	eapol_sm_notify_tx_eapol_key(sm->eapol);
+out:
+	os_free(msg);
+}
+
+
+/**
+ * wpa_sm_key_request - Send EAPOL-Key Request
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @error: Indicate whether this is an Michael MIC error report
+ * @pairwise: 1 = error report for pairwise packet, 0 = for group packet
+ *
+ * Send an EAPOL-Key Request to the current authenticator. This function is
+ * used to request rekeying and it is usually called when a local Michael MIC
+ * failure is detected.
+ */
+void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise)
+{
+	size_t rlen;
+	struct wpa_eapol_key *reply;
+	int key_info, ver;
+	u8 bssid[ETH_ALEN], *rbuf;
+
+	if (wpa_key_mgmt_ft(sm->key_mgmt) || wpa_key_mgmt_sha256(sm->key_mgmt))
+		ver = WPA_KEY_INFO_TYPE_AES_128_CMAC;
+	else if (sm->pairwise_cipher == WPA_CIPHER_CCMP)
+		ver = WPA_KEY_INFO_TYPE_HMAC_SHA1_AES;
+	else
+		ver = WPA_KEY_INFO_TYPE_HMAC_MD5_RC4;
+
+	if (wpa_sm_get_bssid(sm, bssid) < 0) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"Failed to read BSSID for EAPOL-Key request");
+		return;
+	}
+
+	rbuf = wpa_sm_alloc_eapol(sm, IEEE802_1X_TYPE_EAPOL_KEY, NULL,
+				  sizeof(*reply), &rlen, (void *) &reply);
+	if (rbuf == NULL)
+		return;
+
+	reply->type = sm->proto == WPA_PROTO_RSN ?
+		EAPOL_KEY_TYPE_RSN : EAPOL_KEY_TYPE_WPA;
+	key_info = WPA_KEY_INFO_REQUEST | ver;
+	if (sm->ptk_set)
+		key_info |= WPA_KEY_INFO_MIC;
+	if (error)
+		key_info |= WPA_KEY_INFO_ERROR;
+	if (pairwise)
+		key_info |= WPA_KEY_INFO_KEY_TYPE;
+	WPA_PUT_BE16(reply->key_info, key_info);
+	WPA_PUT_BE16(reply->key_length, 0);
+	os_memcpy(reply->replay_counter, sm->request_counter,
+		  WPA_REPLAY_COUNTER_LEN);
+	inc_byte_array(sm->request_counter, WPA_REPLAY_COUNTER_LEN);
+
+	WPA_PUT_BE16(reply->key_data_length, 0);
+
+	wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+		"WPA: Sending EAPOL-Key Request (error=%d "
+		"pairwise=%d ptk_set=%d len=%lu)",
+		error, pairwise, sm->ptk_set, (unsigned long) rlen);
+	wpa_eapol_key_send(sm, sm->ptk.kck, ver, bssid, ETH_P_EAPOL,
+			   rbuf, rlen, key_info & WPA_KEY_INFO_MIC ?
+			   reply->key_mic : NULL);
+}
+
+
+static int wpa_supplicant_get_pmk(struct wpa_sm *sm,
+				  const unsigned char *src_addr,
+				  const u8 *pmkid)
+{
+	int abort_cached = 0;
+
+	if (pmkid && !sm->cur_pmksa) {
+		/* When using drivers that generate RSN IE, wpa_supplicant may
+		 * not have enough time to get the association information
+		 * event before receiving this 1/4 message, so try to find a
+		 * matching PMKSA cache entry here. */
+		sm->cur_pmksa = pmksa_cache_get(sm->pmksa, src_addr, pmkid);
+		if (sm->cur_pmksa) {
+			wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+				"RSN: found matching PMKID from PMKSA cache");
+		} else {
+			wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+				"RSN: no matching PMKID found");
+			abort_cached = 1;
+		}
+	}
+
+	if (pmkid && sm->cur_pmksa &&
+	    os_memcmp(pmkid, sm->cur_pmksa->pmkid, PMKID_LEN) == 0) {
+		wpa_hexdump(MSG_DEBUG, "RSN: matched PMKID", pmkid, PMKID_LEN);
+		wpa_sm_set_pmk_from_pmksa(sm);
+		wpa_hexdump_key(MSG_DEBUG, "RSN: PMK from PMKSA cache",
+				sm->pmk, sm->pmk_len);
+		eapol_sm_notify_cached(sm->eapol);
+#ifdef CONFIG_IEEE80211R
+		sm->xxkey_len = 0;
+#endif /* CONFIG_IEEE80211R */
+	} else if (wpa_key_mgmt_wpa_ieee8021x(sm->key_mgmt) && sm->eapol) {
+		int res, pmk_len;
+		pmk_len = PMK_LEN;
+		res = eapol_sm_get_key(sm->eapol, sm->pmk, PMK_LEN);
+		if (res) {
+			/*
+			 * EAP-LEAP is an exception from other EAP methods: it
+			 * uses only 16-byte PMK.
+			 */
+			res = eapol_sm_get_key(sm->eapol, sm->pmk, 16);
+			pmk_len = 16;
+		} else {
+#ifdef CONFIG_IEEE80211R
+			u8 buf[2 * PMK_LEN];
+			if (eapol_sm_get_key(sm->eapol, buf, 2 * PMK_LEN) == 0)
+			{
+				os_memcpy(sm->xxkey, buf + PMK_LEN, PMK_LEN);
+				sm->xxkey_len = PMK_LEN;
+				os_memset(buf, 0, sizeof(buf));
+			}
+#endif /* CONFIG_IEEE80211R */
+		}
+		if (res == 0) {
+			wpa_hexdump_key(MSG_DEBUG, "WPA: PMK from EAPOL state "
+					"machines", sm->pmk, pmk_len);
+			sm->pmk_len = pmk_len;
+			if (sm->proto == WPA_PROTO_RSN) {
+				pmksa_cache_add(sm->pmksa, sm->pmk, pmk_len,
+						src_addr, sm->own_addr,
+						sm->network_ctx, sm->key_mgmt);
+			}
+			if (!sm->cur_pmksa && pmkid &&
+			    pmksa_cache_get(sm->pmksa, src_addr, pmkid)) {
+				wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+					"RSN: the new PMK matches with the "
+					"PMKID");
+				abort_cached = 0;
+			}
+		} else {
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"WPA: Failed to get master session key from "
+				"EAPOL state machines - key handshake "
+				"aborted");
+			if (sm->cur_pmksa) {
+				wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+					"RSN: Cancelled PMKSA caching "
+					"attempt");
+				sm->cur_pmksa = NULL;
+				abort_cached = 1;
+			} else if (!abort_cached) {
+				return -1;
+			}
+		}
+	}
+
+	if (abort_cached && wpa_key_mgmt_wpa_ieee8021x(sm->key_mgmt)) {
+		/* Send EAPOL-Start to trigger full EAP authentication. */
+		u8 *buf;
+		size_t buflen;
+
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+			"RSN: no PMKSA entry found - trigger "
+			"full EAP authentication");
+		buf = wpa_sm_alloc_eapol(sm, IEEE802_1X_TYPE_EAPOL_START,
+					 NULL, 0, &buflen, NULL);
+		if (buf) {
+			wpa_sm_ether_send(sm, sm->bssid, ETH_P_EAPOL,
+					  buf, buflen);
+			os_free(buf);
+			return -2;
+		}
+
+		return -1;
+	}
+
+	return 0;
+}
+
+
+/**
+ * wpa_supplicant_send_2_of_4 - Send message 2 of WPA/RSN 4-Way Handshake
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @dst: Destination address for the frame
+ * @key: Pointer to the EAPOL-Key frame header
+ * @ver: Version bits from EAPOL-Key Key Info
+ * @nonce: Nonce value for the EAPOL-Key frame
+ * @wpa_ie: WPA/RSN IE
+ * @wpa_ie_len: Length of the WPA/RSN IE
+ * @ptk: PTK to use for keyed hash and encryption
+ * Returns: 0 on success, -1 on failure
+ */
+int wpa_supplicant_send_2_of_4(struct wpa_sm *sm, const unsigned char *dst,
+			       const struct wpa_eapol_key *key,
+			       int ver, const u8 *nonce,
+			       const u8 *wpa_ie, size_t wpa_ie_len,
+			       struct wpa_ptk *ptk)
+{
+	size_t rlen;
+	struct wpa_eapol_key *reply;
+	u8 *rbuf;
+	u8 *rsn_ie_buf = NULL;
+
+	if (wpa_ie == NULL) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING, "WPA: No wpa_ie set - "
+			"cannot generate msg 2/4");
+		return -1;
+	}
+
+#ifdef CONFIG_IEEE80211R
+	if (wpa_key_mgmt_ft(sm->key_mgmt)) {
+		int res;
+
+		/*
+		 * Add PMKR1Name into RSN IE (PMKID-List) and add MDIE and
+		 * FTIE from (Re)Association Response.
+		 */
+		rsn_ie_buf = os_malloc(wpa_ie_len + 2 + 2 + PMKID_LEN +
+				       sm->assoc_resp_ies_len);
+		if (rsn_ie_buf == NULL)
+			return -1;
+		os_memcpy(rsn_ie_buf, wpa_ie, wpa_ie_len);
+		res = wpa_insert_pmkid(rsn_ie_buf, wpa_ie_len,
+				       sm->pmk_r1_name);
+		if (res < 0) {
+			os_free(rsn_ie_buf);
+			return -1;
+		}
+		wpa_ie_len += res;
+
+		if (sm->assoc_resp_ies) {
+			os_memcpy(rsn_ie_buf + wpa_ie_len, sm->assoc_resp_ies,
+				  sm->assoc_resp_ies_len);
+			wpa_ie_len += sm->assoc_resp_ies_len;
+		}
+
+		wpa_ie = rsn_ie_buf;
+	}
+#endif /* CONFIG_IEEE80211R */
+
+	wpa_hexdump(MSG_DEBUG, "WPA: WPA IE for msg 2/4", wpa_ie, wpa_ie_len);
+
+	rbuf = wpa_sm_alloc_eapol(sm, IEEE802_1X_TYPE_EAPOL_KEY,
+				  NULL, sizeof(*reply) + wpa_ie_len,
+				  &rlen, (void *) &reply);
+	if (rbuf == NULL) {
+		os_free(rsn_ie_buf);
+		return -1;
+	}
+
+	reply->type = sm->proto == WPA_PROTO_RSN ?
+		EAPOL_KEY_TYPE_RSN : EAPOL_KEY_TYPE_WPA;
+	WPA_PUT_BE16(reply->key_info,
+		     ver | WPA_KEY_INFO_KEY_TYPE | WPA_KEY_INFO_MIC);
+	if (sm->proto == WPA_PROTO_RSN)
+		WPA_PUT_BE16(reply->key_length, 0);
+	else
+		os_memcpy(reply->key_length, key->key_length, 2);
+	os_memcpy(reply->replay_counter, key->replay_counter,
+		  WPA_REPLAY_COUNTER_LEN);
+	wpa_hexdump(MSG_DEBUG, "WPA: Replay Counter", reply->replay_counter,
+		    WPA_REPLAY_COUNTER_LEN);
+
+	WPA_PUT_BE16(reply->key_data_length, wpa_ie_len);
+	os_memcpy(reply + 1, wpa_ie, wpa_ie_len);
+	os_free(rsn_ie_buf);
+
+	os_memcpy(reply->key_nonce, nonce, WPA_NONCE_LEN);
+
+	wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "WPA: Sending EAPOL-Key 2/4");
+	wpa_eapol_key_send(sm, ptk->kck, ver, dst, ETH_P_EAPOL,
+			   rbuf, rlen, reply->key_mic);
+
+	return 0;
+}
+
+
+static int wpa_derive_ptk(struct wpa_sm *sm, const unsigned char *src_addr,
+			  const struct wpa_eapol_key *key,
+			  struct wpa_ptk *ptk)
+{
+	size_t ptk_len = sm->pairwise_cipher == WPA_CIPHER_CCMP ? 48 : 64;
+#ifdef CONFIG_IEEE80211R
+	if (wpa_key_mgmt_ft(sm->key_mgmt))
+		return wpa_derive_ptk_ft(sm, src_addr, key, ptk, ptk_len);
+#endif /* CONFIG_IEEE80211R */
+
+	wpa_pmk_to_ptk(sm->pmk, sm->pmk_len, "Pairwise key expansion",
+		       sm->own_addr, sm->bssid, sm->snonce, key->key_nonce,
+		       (u8 *) ptk, ptk_len,
+		       wpa_key_mgmt_sha256(sm->key_mgmt));
+	return 0;
+}
+
+
+static void wpa_supplicant_process_1_of_4(struct wpa_sm *sm,
+					  const unsigned char *src_addr,
+					  const struct wpa_eapol_key *key,
+					  u16 ver)
+{
+	struct wpa_eapol_ie_parse ie;
+	struct wpa_ptk *ptk;
+	u8 buf[8];
+	int res;
+
+	if (wpa_sm_get_network_ctx(sm) == NULL) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING, "WPA: No SSID info "
+			"found (msg 1 of 4)");
+		return;
+	}
+
+	wpa_sm_set_state(sm, WPA_4WAY_HANDSHAKE);
+	wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "WPA: RX message 1 of 4-Way "
+		"Handshake from " MACSTR " (ver=%d)", MAC2STR(src_addr), ver);
+
+	os_memset(&ie, 0, sizeof(ie));
+
+#ifndef CONFIG_NO_WPA2
+	if (sm->proto == WPA_PROTO_RSN) {
+		/* RSN: msg 1/4 should contain PMKID for the selected PMK */
+		const u8 *_buf = (const u8 *) (key + 1);
+		size_t len = WPA_GET_BE16(key->key_data_length);
+		wpa_hexdump(MSG_DEBUG, "RSN: msg 1/4 key data", _buf, len);
+		wpa_supplicant_parse_ies(_buf, len, &ie);
+		if (ie.pmkid) {
+			wpa_hexdump(MSG_DEBUG, "RSN: PMKID from "
+				    "Authenticator", ie.pmkid, PMKID_LEN);
+		}
+	}
+#endif /* CONFIG_NO_WPA2 */
+
+	res = wpa_supplicant_get_pmk(sm, src_addr, ie.pmkid);
+	if (res == -2) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "RSN: Do not reply to "
+			"msg 1/4 - requesting full EAP authentication");
+		return;
+	}
+	if (res)
+		goto failed;
+
+	if (sm->renew_snonce) {
+		if (random_get_bytes(sm->snonce, WPA_NONCE_LEN)) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"WPA: Failed to get random data for SNonce");
+			goto failed;
+		}
+		sm->renew_snonce = 0;
+		wpa_hexdump(MSG_DEBUG, "WPA: Renewed SNonce",
+			    sm->snonce, WPA_NONCE_LEN);
+	}
+
+	/* Calculate PTK which will be stored as a temporary PTK until it has
+	 * been verified when processing message 3/4. */
+	ptk = &sm->tptk;
+	wpa_derive_ptk(sm, src_addr, key, ptk);
+	/* Supplicant: swap tx/rx Mic keys */
+	os_memcpy(buf, ptk->u.auth.tx_mic_key, 8);
+	os_memcpy(ptk->u.auth.tx_mic_key, ptk->u.auth.rx_mic_key, 8);
+	os_memcpy(ptk->u.auth.rx_mic_key, buf, 8);
+	sm->tptk_set = 1;
+
+	if (wpa_supplicant_send_2_of_4(sm, sm->bssid, key, ver, sm->snonce,
+				       sm->assoc_wpa_ie, sm->assoc_wpa_ie_len,
+				       ptk))
+		goto failed;
+
+	os_memcpy(sm->anonce, key->key_nonce, WPA_NONCE_LEN);
+	return;
+
+failed:
+	wpa_sm_deauthenticate(sm, WLAN_REASON_UNSPECIFIED);
+}
+
+
+static void wpa_sm_start_preauth(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_sm *sm = eloop_ctx;
+	rsn_preauth_candidate_process(sm);
+}
+
+
+static void wpa_supplicant_key_neg_complete(struct wpa_sm *sm,
+					    const u8 *addr, int secure)
+{
+	wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+		"WPA: Key negotiation completed with "
+		MACSTR " [PTK=%s GTK=%s]", MAC2STR(addr),
+		wpa_cipher_txt(sm->pairwise_cipher),
+		wpa_cipher_txt(sm->group_cipher));
+	wpa_sm_cancel_auth_timeout(sm);
+	wpa_sm_set_state(sm, WPA_COMPLETED);
+
+	if (secure) {
+		wpa_sm_mlme_setprotection(
+			sm, addr, MLME_SETPROTECTION_PROTECT_TYPE_RX_TX,
+			MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
+		eapol_sm_notify_portValid(sm->eapol, TRUE);
+		if (wpa_key_mgmt_wpa_psk(sm->key_mgmt))
+			eapol_sm_notify_eap_success(sm->eapol, TRUE);
+		/*
+		 * Start preauthentication after a short wait to avoid a
+		 * possible race condition between the data receive and key
+		 * configuration after the 4-Way Handshake. This increases the
+		 * likelyhood of the first preauth EAPOL-Start frame getting to
+		 * the target AP.
+		 */
+		eloop_register_timeout(1, 0, wpa_sm_start_preauth, sm, NULL);
+	}
+
+	if (sm->cur_pmksa && sm->cur_pmksa->opportunistic) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+			"RSN: Authenticator accepted "
+			"opportunistic PMKSA entry - marking it valid");
+		sm->cur_pmksa->opportunistic = 0;
+	}
+
+#ifdef CONFIG_IEEE80211R
+	if (wpa_key_mgmt_ft(sm->key_mgmt)) {
+		/* Prepare for the next transition */
+		wpa_ft_prepare_auth_request(sm, NULL);
+	}
+#endif /* CONFIG_IEEE80211R */
+}
+
+
+static void wpa_sm_rekey_ptk(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_sm *sm = eloop_ctx;
+	wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "WPA: Request PTK rekeying");
+	wpa_sm_key_request(sm, 0, 1);
+}
+
+
+static int wpa_supplicant_install_ptk(struct wpa_sm *sm,
+				      const struct wpa_eapol_key *key)
+{
+	int keylen, rsclen;
+	enum wpa_alg alg;
+	const u8 *key_rsc;
+	u8 null_rsc[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
+
+	wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+		"WPA: Installing PTK to the driver");
+
+	switch (sm->pairwise_cipher) {
+	case WPA_CIPHER_CCMP:
+		alg = WPA_ALG_CCMP;
+		keylen = 16;
+		rsclen = 6;
+		break;
+	case WPA_CIPHER_TKIP:
+		alg = WPA_ALG_TKIP;
+		keylen = 32;
+		rsclen = 6;
+		break;
+	case WPA_CIPHER_NONE:
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "WPA: Pairwise Cipher "
+			"Suite: NONE - do not use pairwise keys");
+		return 0;
+	default:
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"WPA: Unsupported pairwise cipher %d",
+			sm->pairwise_cipher);
+		return -1;
+	}
+
+	if (sm->proto == WPA_PROTO_RSN) {
+		key_rsc = null_rsc;
+	} else {
+		key_rsc = key->key_rsc;
+		wpa_hexdump(MSG_DEBUG, "WPA: RSC", key_rsc, rsclen);
+	}
+
+	if (wpa_sm_set_key(sm, alg, sm->bssid, 0, 1, key_rsc, rsclen,
+			   (u8 *) sm->ptk.tk1, keylen) < 0) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"WPA: Failed to set PTK to the "
+			"driver (alg=%d keylen=%d bssid=" MACSTR ")",
+			alg, keylen, MAC2STR(sm->bssid));
+		return -1;
+	}
+
+	if (sm->wpa_ptk_rekey) {
+		eloop_cancel_timeout(wpa_sm_rekey_ptk, sm, NULL);
+		eloop_register_timeout(sm->wpa_ptk_rekey, 0, wpa_sm_rekey_ptk,
+				       sm, NULL);
+	}
+
+	return 0;
+}
+
+
+static int wpa_supplicant_check_group_cipher(struct wpa_sm *sm,
+					     int group_cipher,
+					     int keylen, int maxkeylen,
+					     int *key_rsc_len,
+					     enum wpa_alg *alg)
+{
+	int ret = 0;
+
+	switch (group_cipher) {
+	case WPA_CIPHER_CCMP:
+		if (keylen != 16 || maxkeylen < 16) {
+			ret = -1;
+			break;
+		}
+		*key_rsc_len = 6;
+		*alg = WPA_ALG_CCMP;
+		break;
+	case WPA_CIPHER_TKIP:
+		if (keylen != 32 || maxkeylen < 32) {
+			ret = -1;
+			break;
+		}
+		*key_rsc_len = 6;
+		*alg = WPA_ALG_TKIP;
+		break;
+	case WPA_CIPHER_WEP104:
+		if (keylen != 13 || maxkeylen < 13) {
+			ret = -1;
+			break;
+		}
+		*key_rsc_len = 0;
+		*alg = WPA_ALG_WEP;
+		break;
+	case WPA_CIPHER_WEP40:
+		if (keylen != 5 || maxkeylen < 5) {
+			ret = -1;
+			break;
+		}
+		*key_rsc_len = 0;
+		*alg = WPA_ALG_WEP;
+		break;
+	default:
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"WPA: Unsupported Group Cipher %d",
+			group_cipher);
+		return -1;
+	}
+
+	if (ret < 0 ) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"WPA: Unsupported %s Group Cipher key length %d (%d)",
+			wpa_cipher_txt(group_cipher), keylen, maxkeylen);
+	}
+
+	return ret;
+}
+
+
+struct wpa_gtk_data {
+	enum wpa_alg alg;
+	int tx, key_rsc_len, keyidx;
+	u8 gtk[32];
+	int gtk_len;
+};
+
+
+static int wpa_supplicant_install_gtk(struct wpa_sm *sm,
+				      const struct wpa_gtk_data *gd,
+				      const u8 *key_rsc)
+{
+	const u8 *_gtk = gd->gtk;
+	u8 gtk_buf[32];
+
+	wpa_hexdump_key(MSG_DEBUG, "WPA: Group Key", gd->gtk, gd->gtk_len);
+	wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+		"WPA: Installing GTK to the driver (keyidx=%d tx=%d len=%d)",
+		gd->keyidx, gd->tx, gd->gtk_len);
+	wpa_hexdump(MSG_DEBUG, "WPA: RSC", key_rsc, gd->key_rsc_len);
+	if (sm->group_cipher == WPA_CIPHER_TKIP) {
+		/* Swap Tx/Rx keys for Michael MIC */
+		os_memcpy(gtk_buf, gd->gtk, 16);
+		os_memcpy(gtk_buf + 16, gd->gtk + 24, 8);
+		os_memcpy(gtk_buf + 24, gd->gtk + 16, 8);
+		_gtk = gtk_buf;
+	}
+	if (sm->pairwise_cipher == WPA_CIPHER_NONE) {
+		if (wpa_sm_set_key(sm, gd->alg, NULL,
+				   gd->keyidx, 1, key_rsc, gd->key_rsc_len,
+				   _gtk, gd->gtk_len) < 0) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"WPA: Failed to set GTK to the driver "
+				"(Group only)");
+			return -1;
+		}
+	} else if (wpa_sm_set_key(sm, gd->alg, broadcast_ether_addr,
+				  gd->keyidx, gd->tx, key_rsc, gd->key_rsc_len,
+				  _gtk, gd->gtk_len) < 0) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"WPA: Failed to set GTK to "
+			"the driver (alg=%d keylen=%d keyidx=%d)",
+			gd->alg, gd->gtk_len, gd->keyidx);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int wpa_supplicant_gtk_tx_bit_workaround(const struct wpa_sm *sm,
+						int tx)
+{
+	if (tx && sm->pairwise_cipher != WPA_CIPHER_NONE) {
+		/* Ignore Tx bit for GTK if a pairwise key is used. One AP
+		 * seemed to set this bit (incorrectly, since Tx is only when
+		 * doing Group Key only APs) and without this workaround, the
+		 * data connection does not work because wpa_supplicant
+		 * configured non-zero keyidx to be used for unicast. */
+		wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+			"WPA: Tx bit set for GTK, but pairwise "
+			"keys are used - ignore Tx bit");
+		return 0;
+	}
+	return tx;
+}
+
+
+static int wpa_supplicant_pairwise_gtk(struct wpa_sm *sm,
+				       const struct wpa_eapol_key *key,
+				       const u8 *gtk, size_t gtk_len,
+				       int key_info)
+{
+#ifndef CONFIG_NO_WPA2
+	struct wpa_gtk_data gd;
+
+	/*
+	 * IEEE Std 802.11i-2004 - 8.5.2 EAPOL-Key frames - Figure 43x
+	 * GTK KDE format:
+	 * KeyID[bits 0-1], Tx [bit 2], Reserved [bits 3-7]
+	 * Reserved [bits 0-7]
+	 * GTK
+	 */
+
+	os_memset(&gd, 0, sizeof(gd));
+	wpa_hexdump_key(MSG_DEBUG, "RSN: received GTK in pairwise handshake",
+			gtk, gtk_len);
+
+	if (gtk_len < 2 || gtk_len - 2 > sizeof(gd.gtk))
+		return -1;
+
+	gd.keyidx = gtk[0] & 0x3;
+	gd.tx = wpa_supplicant_gtk_tx_bit_workaround(sm,
+						     !!(gtk[0] & BIT(2)));
+	gtk += 2;
+	gtk_len -= 2;
+
+	os_memcpy(gd.gtk, gtk, gtk_len);
+	gd.gtk_len = gtk_len;
+
+	if (wpa_supplicant_check_group_cipher(sm, sm->group_cipher,
+					      gtk_len, gtk_len,
+					      &gd.key_rsc_len, &gd.alg) ||
+	    wpa_supplicant_install_gtk(sm, &gd, key->key_rsc)) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+			"RSN: Failed to install GTK");
+		return -1;
+	}
+
+	wpa_supplicant_key_neg_complete(sm, sm->bssid,
+					key_info & WPA_KEY_INFO_SECURE);
+	return 0;
+#else /* CONFIG_NO_WPA2 */
+	return -1;
+#endif /* CONFIG_NO_WPA2 */
+}
+
+
+static int ieee80211w_set_keys(struct wpa_sm *sm,
+			       struct wpa_eapol_ie_parse *ie)
+{
+#ifdef CONFIG_IEEE80211W
+	if (sm->mgmt_group_cipher != WPA_CIPHER_AES_128_CMAC)
+		return 0;
+
+	if (ie->igtk) {
+		const struct wpa_igtk_kde *igtk;
+		u16 keyidx;
+		if (ie->igtk_len != sizeof(*igtk))
+			return -1;
+		igtk = (const struct wpa_igtk_kde *) ie->igtk;
+		keyidx = WPA_GET_LE16(igtk->keyid);
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "WPA: IGTK keyid %d "
+			"pn %02x%02x%02x%02x%02x%02x",
+			keyidx, MAC2STR(igtk->pn));
+		wpa_hexdump_key(MSG_DEBUG, "WPA: IGTK",
+				igtk->igtk, WPA_IGTK_LEN);
+		if (keyidx > 4095) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"WPA: Invalid IGTK KeyID %d", keyidx);
+			return -1;
+		}
+		if (wpa_sm_set_key(sm, WPA_ALG_IGTK, broadcast_ether_addr,
+				   keyidx, 0, igtk->pn, sizeof(igtk->pn),
+				   igtk->igtk, WPA_IGTK_LEN) < 0) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"WPA: Failed to configure IGTK to the driver");
+			return -1;
+		}
+	}
+
+	return 0;
+#else /* CONFIG_IEEE80211W */
+	return 0;
+#endif /* CONFIG_IEEE80211W */
+}
+
+
+static void wpa_report_ie_mismatch(struct wpa_sm *sm,
+				   const char *reason, const u8 *src_addr,
+				   const u8 *wpa_ie, size_t wpa_ie_len,
+				   const u8 *rsn_ie, size_t rsn_ie_len)
+{
+	wpa_msg(sm->ctx->msg_ctx, MSG_WARNING, "WPA: %s (src=" MACSTR ")",
+		reason, MAC2STR(src_addr));
+
+	if (sm->ap_wpa_ie) {
+		wpa_hexdump(MSG_INFO, "WPA: WPA IE in Beacon/ProbeResp",
+			    sm->ap_wpa_ie, sm->ap_wpa_ie_len);
+	}
+	if (wpa_ie) {
+		if (!sm->ap_wpa_ie) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+				"WPA: No WPA IE in Beacon/ProbeResp");
+		}
+		wpa_hexdump(MSG_INFO, "WPA: WPA IE in 3/4 msg",
+			    wpa_ie, wpa_ie_len);
+	}
+
+	if (sm->ap_rsn_ie) {
+		wpa_hexdump(MSG_INFO, "WPA: RSN IE in Beacon/ProbeResp",
+			    sm->ap_rsn_ie, sm->ap_rsn_ie_len);
+	}
+	if (rsn_ie) {
+		if (!sm->ap_rsn_ie) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+				"WPA: No RSN IE in Beacon/ProbeResp");
+		}
+		wpa_hexdump(MSG_INFO, "WPA: RSN IE in 3/4 msg",
+			    rsn_ie, rsn_ie_len);
+	}
+
+	wpa_sm_disassociate(sm, WLAN_REASON_IE_IN_4WAY_DIFFERS);
+}
+
+
+#ifdef CONFIG_IEEE80211R
+
+static int ft_validate_mdie(struct wpa_sm *sm,
+			    const unsigned char *src_addr,
+			    struct wpa_eapol_ie_parse *ie,
+			    const u8 *assoc_resp_mdie)
+{
+	struct rsn_mdie *mdie;
+
+	mdie = (struct rsn_mdie *) (ie->mdie + 2);
+	if (ie->mdie == NULL || ie->mdie_len < 2 + sizeof(*mdie) ||
+	    os_memcmp(mdie->mobility_domain, sm->mobility_domain,
+		      MOBILITY_DOMAIN_ID_LEN) != 0) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "FT: MDIE in msg 3/4 did "
+			"not match with the current mobility domain");
+		return -1;
+	}
+
+	if (assoc_resp_mdie &&
+	    (assoc_resp_mdie[1] != ie->mdie[1] ||
+	     os_memcmp(assoc_resp_mdie, ie->mdie, 2 + ie->mdie[1]) != 0)) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "FT: MDIE mismatch");
+		wpa_hexdump(MSG_DEBUG, "FT: MDIE in EAPOL-Key msg 3/4",
+			    ie->mdie, 2 + ie->mdie[1]);
+		wpa_hexdump(MSG_DEBUG, "FT: MDIE in (Re)Association Response",
+			    assoc_resp_mdie, 2 + assoc_resp_mdie[1]);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int ft_validate_ftie(struct wpa_sm *sm,
+			    const unsigned char *src_addr,
+			    struct wpa_eapol_ie_parse *ie,
+			    const u8 *assoc_resp_ftie)
+{
+	if (ie->ftie == NULL) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+			"FT: No FTIE in EAPOL-Key msg 3/4");
+		return -1;
+	}
+
+	if (assoc_resp_ftie == NULL)
+		return 0;
+
+	if (assoc_resp_ftie[1] != ie->ftie[1] ||
+	    os_memcmp(assoc_resp_ftie, ie->ftie, 2 + ie->ftie[1]) != 0) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "FT: FTIE mismatch");
+		wpa_hexdump(MSG_DEBUG, "FT: FTIE in EAPOL-Key msg 3/4",
+			    ie->ftie, 2 + ie->ftie[1]);
+		wpa_hexdump(MSG_DEBUG, "FT: FTIE in (Re)Association Response",
+			    assoc_resp_ftie, 2 + assoc_resp_ftie[1]);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int ft_validate_rsnie(struct wpa_sm *sm,
+			     const unsigned char *src_addr,
+			     struct wpa_eapol_ie_parse *ie)
+{
+	struct wpa_ie_data rsn;
+
+	if (!ie->rsn_ie)
+		return 0;
+
+	/*
+	 * Verify that PMKR1Name from EAPOL-Key message 3/4
+	 * matches with the value we derived.
+	 */
+	if (wpa_parse_wpa_ie_rsn(ie->rsn_ie, ie->rsn_ie_len, &rsn) < 0 ||
+	    rsn.num_pmkid != 1 || rsn.pmkid == NULL) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "FT: No PMKR1Name in "
+			"FT 4-way handshake message 3/4");
+		return -1;
+	}
+
+	if (os_memcmp(rsn.pmkid, sm->pmk_r1_name, WPA_PMK_NAME_LEN) != 0) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+			"FT: PMKR1Name mismatch in "
+			"FT 4-way handshake message 3/4");
+		wpa_hexdump(MSG_DEBUG, "FT: PMKR1Name from Authenticator",
+			    rsn.pmkid, WPA_PMK_NAME_LEN);
+		wpa_hexdump(MSG_DEBUG, "FT: Derived PMKR1Name",
+			    sm->pmk_r1_name, WPA_PMK_NAME_LEN);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int wpa_supplicant_validate_ie_ft(struct wpa_sm *sm,
+					 const unsigned char *src_addr,
+					 struct wpa_eapol_ie_parse *ie)
+{
+	const u8 *pos, *end, *mdie = NULL, *ftie = NULL;
+
+	if (sm->assoc_resp_ies) {
+		pos = sm->assoc_resp_ies;
+		end = pos + sm->assoc_resp_ies_len;
+		while (pos + 2 < end) {
+			if (pos + 2 + pos[1] > end)
+				break;
+			switch (*pos) {
+			case WLAN_EID_MOBILITY_DOMAIN:
+				mdie = pos;
+				break;
+			case WLAN_EID_FAST_BSS_TRANSITION:
+				ftie = pos;
+				break;
+			}
+			pos += 2 + pos[1];
+		}
+	}
+
+	if (ft_validate_mdie(sm, src_addr, ie, mdie) < 0 ||
+	    ft_validate_ftie(sm, src_addr, ie, ftie) < 0 ||
+	    ft_validate_rsnie(sm, src_addr, ie) < 0)
+		return -1;
+
+	return 0;
+}
+
+#endif /* CONFIG_IEEE80211R */
+
+
+static int wpa_supplicant_validate_ie(struct wpa_sm *sm,
+				      const unsigned char *src_addr,
+				      struct wpa_eapol_ie_parse *ie)
+{
+	if (sm->ap_wpa_ie == NULL && sm->ap_rsn_ie == NULL) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+			"WPA: No WPA/RSN IE for this AP known. "
+			"Trying to get from scan results");
+		if (wpa_sm_get_beacon_ie(sm) < 0) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"WPA: Could not find AP from "
+				"the scan results");
+		} else {
+			wpa_msg(sm->ctx->msg_ctx, MSG_DEBUG,
+				"WPA: Found the current AP from "
+				"updated scan results");
+		}
+	}
+
+	if (ie->wpa_ie == NULL && ie->rsn_ie == NULL &&
+	    (sm->ap_wpa_ie || sm->ap_rsn_ie)) {
+		wpa_report_ie_mismatch(sm, "IE in 3/4 msg does not match "
+				       "with IE in Beacon/ProbeResp (no IE?)",
+				       src_addr, ie->wpa_ie, ie->wpa_ie_len,
+				       ie->rsn_ie, ie->rsn_ie_len);
+		return -1;
+	}
+
+	if ((ie->wpa_ie && sm->ap_wpa_ie &&
+	     (ie->wpa_ie_len != sm->ap_wpa_ie_len ||
+	      os_memcmp(ie->wpa_ie, sm->ap_wpa_ie, ie->wpa_ie_len) != 0)) ||
+	    (ie->rsn_ie && sm->ap_rsn_ie &&
+	     wpa_compare_rsn_ie(wpa_key_mgmt_ft(sm->key_mgmt),
+				sm->ap_rsn_ie, sm->ap_rsn_ie_len,
+				ie->rsn_ie, ie->rsn_ie_len))) {
+		wpa_report_ie_mismatch(sm, "IE in 3/4 msg does not match "
+				       "with IE in Beacon/ProbeResp",
+				       src_addr, ie->wpa_ie, ie->wpa_ie_len,
+				       ie->rsn_ie, ie->rsn_ie_len);
+		return -1;
+	}
+
+	if (sm->proto == WPA_PROTO_WPA &&
+	    ie->rsn_ie && sm->ap_rsn_ie == NULL && sm->rsn_enabled) {
+		wpa_report_ie_mismatch(sm, "Possible downgrade attack "
+				       "detected - RSN was enabled and RSN IE "
+				       "was in msg 3/4, but not in "
+				       "Beacon/ProbeResp",
+				       src_addr, ie->wpa_ie, ie->wpa_ie_len,
+				       ie->rsn_ie, ie->rsn_ie_len);
+		return -1;
+	}
+
+#ifdef CONFIG_IEEE80211R
+	if (wpa_key_mgmt_ft(sm->key_mgmt) &&
+	    wpa_supplicant_validate_ie_ft(sm, src_addr, ie) < 0)
+		return -1;
+#endif /* CONFIG_IEEE80211R */
+
+	return 0;
+}
+
+
+/**
+ * wpa_supplicant_send_4_of_4 - Send message 4 of WPA/RSN 4-Way Handshake
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @dst: Destination address for the frame
+ * @key: Pointer to the EAPOL-Key frame header
+ * @ver: Version bits from EAPOL-Key Key Info
+ * @key_info: Key Info
+ * @kde: KDEs to include the EAPOL-Key frame
+ * @kde_len: Length of KDEs
+ * @ptk: PTK to use for keyed hash and encryption
+ * Returns: 0 on success, -1 on failure
+ */
+int wpa_supplicant_send_4_of_4(struct wpa_sm *sm, const unsigned char *dst,
+			       const struct wpa_eapol_key *key,
+			       u16 ver, u16 key_info,
+			       const u8 *kde, size_t kde_len,
+			       struct wpa_ptk *ptk)
+{
+	size_t rlen;
+	struct wpa_eapol_key *reply;
+	u8 *rbuf;
+
+	if (kde)
+		wpa_hexdump(MSG_DEBUG, "WPA: KDE for msg 4/4", kde, kde_len);
+
+	rbuf = wpa_sm_alloc_eapol(sm, IEEE802_1X_TYPE_EAPOL_KEY, NULL,
+				  sizeof(*reply) + kde_len,
+				  &rlen, (void *) &reply);
+	if (rbuf == NULL)
+		return -1;
+
+	reply->type = sm->proto == WPA_PROTO_RSN ?
+		EAPOL_KEY_TYPE_RSN : EAPOL_KEY_TYPE_WPA;
+	key_info &= WPA_KEY_INFO_SECURE;
+	key_info |= ver | WPA_KEY_INFO_KEY_TYPE | WPA_KEY_INFO_MIC;
+	WPA_PUT_BE16(reply->key_info, key_info);
+	if (sm->proto == WPA_PROTO_RSN)
+		WPA_PUT_BE16(reply->key_length, 0);
+	else
+		os_memcpy(reply->key_length, key->key_length, 2);
+	os_memcpy(reply->replay_counter, key->replay_counter,
+		  WPA_REPLAY_COUNTER_LEN);
+
+	WPA_PUT_BE16(reply->key_data_length, kde_len);
+	if (kde)
+		os_memcpy(reply + 1, kde, kde_len);
+
+	wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "WPA: Sending EAPOL-Key 4/4");
+	wpa_eapol_key_send(sm, ptk->kck, ver, dst, ETH_P_EAPOL,
+			   rbuf, rlen, reply->key_mic);
+
+	return 0;
+}
+
+
+static void wpa_supplicant_process_3_of_4(struct wpa_sm *sm,
+					  const struct wpa_eapol_key *key,
+					  u16 ver)
+{
+	u16 key_info, keylen, len;
+	const u8 *pos;
+	struct wpa_eapol_ie_parse ie;
+
+	wpa_sm_set_state(sm, WPA_4WAY_HANDSHAKE);
+	wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "WPA: RX message 3 of 4-Way "
+		"Handshake from " MACSTR " (ver=%d)", MAC2STR(sm->bssid), ver);
+
+	key_info = WPA_GET_BE16(key->key_info);
+
+	pos = (const u8 *) (key + 1);
+	len = WPA_GET_BE16(key->key_data_length);
+	wpa_hexdump(MSG_DEBUG, "WPA: IE KeyData", pos, len);
+	wpa_supplicant_parse_ies(pos, len, &ie);
+	if (ie.gtk && !(key_info & WPA_KEY_INFO_ENCR_KEY_DATA)) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"WPA: GTK IE in unencrypted key data");
+		goto failed;
+	}
+#ifdef CONFIG_IEEE80211W
+	if (ie.igtk && !(key_info & WPA_KEY_INFO_ENCR_KEY_DATA)) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"WPA: IGTK KDE in unencrypted key data");
+		goto failed;
+	}
+
+	if (ie.igtk && ie.igtk_len != sizeof(struct wpa_igtk_kde)) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"WPA: Invalid IGTK KDE length %lu",
+			(unsigned long) ie.igtk_len);
+		goto failed;
+	}
+#endif /* CONFIG_IEEE80211W */
+
+	if (wpa_supplicant_validate_ie(sm, sm->bssid, &ie) < 0)
+		goto failed;
+
+	if (os_memcmp(sm->anonce, key->key_nonce, WPA_NONCE_LEN) != 0) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"WPA: ANonce from message 1 of 4-Way Handshake "
+			"differs from 3 of 4-Way Handshake - drop packet (src="
+			MACSTR ")", MAC2STR(sm->bssid));
+		goto failed;
+	}
+
+	keylen = WPA_GET_BE16(key->key_length);
+	switch (sm->pairwise_cipher) {
+	case WPA_CIPHER_CCMP:
+		if (keylen != 16) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"WPA: Invalid CCMP key length %d (src=" MACSTR
+				")", keylen, MAC2STR(sm->bssid));
+			goto failed;
+		}
+		break;
+	case WPA_CIPHER_TKIP:
+		if (keylen != 32) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"WPA: Invalid TKIP key length %d (src=" MACSTR
+				")", keylen, MAC2STR(sm->bssid));
+			goto failed;
+		}
+		break;
+	}
+
+	if (wpa_supplicant_send_4_of_4(sm, sm->bssid, key, ver, key_info,
+				       NULL, 0, &sm->ptk)) {
+		goto failed;
+	}
+
+	/* SNonce was successfully used in msg 3/4, so mark it to be renewed
+	 * for the next 4-Way Handshake. If msg 3 is received again, the old
+	 * SNonce will still be used to avoid changing PTK. */
+	sm->renew_snonce = 1;
+
+	if (key_info & WPA_KEY_INFO_INSTALL) {
+		if (wpa_supplicant_install_ptk(sm, key))
+			goto failed;
+	}
+
+	if (key_info & WPA_KEY_INFO_SECURE) {
+		wpa_sm_mlme_setprotection(
+			sm, sm->bssid, MLME_SETPROTECTION_PROTECT_TYPE_RX,
+			MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
+		eapol_sm_notify_portValid(sm->eapol, TRUE);
+	}
+	wpa_sm_set_state(sm, WPA_GROUP_HANDSHAKE);
+
+	if (ie.gtk &&
+	    wpa_supplicant_pairwise_gtk(sm, key,
+					ie.gtk, ie.gtk_len, key_info) < 0) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+			"RSN: Failed to configure GTK");
+		goto failed;
+	}
+
+	if (ieee80211w_set_keys(sm, &ie) < 0) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+			"RSN: Failed to configure IGTK");
+		goto failed;
+	}
+
+	return;
+
+failed:
+	wpa_sm_deauthenticate(sm, WLAN_REASON_UNSPECIFIED);
+}
+
+
+static int wpa_supplicant_process_1_of_2_rsn(struct wpa_sm *sm,
+					     const u8 *keydata,
+					     size_t keydatalen,
+					     u16 key_info,
+					     struct wpa_gtk_data *gd)
+{
+	int maxkeylen;
+	struct wpa_eapol_ie_parse ie;
+
+	wpa_hexdump(MSG_DEBUG, "RSN: msg 1/2 key data", keydata, keydatalen);
+	wpa_supplicant_parse_ies(keydata, keydatalen, &ie);
+	if (ie.gtk && !(key_info & WPA_KEY_INFO_ENCR_KEY_DATA)) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"WPA: GTK IE in unencrypted key data");
+		return -1;
+	}
+	if (ie.gtk == NULL) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+			"WPA: No GTK IE in Group Key msg 1/2");
+		return -1;
+	}
+	maxkeylen = gd->gtk_len = ie.gtk_len - 2;
+
+	if (wpa_supplicant_check_group_cipher(sm, sm->group_cipher,
+					      gd->gtk_len, maxkeylen,
+					      &gd->key_rsc_len, &gd->alg))
+		return -1;
+
+	wpa_hexdump(MSG_DEBUG, "RSN: received GTK in group key handshake",
+		    ie.gtk, ie.gtk_len);
+	gd->keyidx = ie.gtk[0] & 0x3;
+	gd->tx = wpa_supplicant_gtk_tx_bit_workaround(sm,
+						      !!(ie.gtk[0] & BIT(2)));
+	if (ie.gtk_len - 2 > sizeof(gd->gtk)) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+			"RSN: Too long GTK in GTK IE (len=%lu)",
+			(unsigned long) ie.gtk_len - 2);
+		return -1;
+	}
+	os_memcpy(gd->gtk, ie.gtk + 2, ie.gtk_len - 2);
+
+	if (ieee80211w_set_keys(sm, &ie) < 0)
+		wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+			"RSN: Failed to configure IGTK");
+
+	return 0;
+}
+
+
+static int wpa_supplicant_process_1_of_2_wpa(struct wpa_sm *sm,
+					     const struct wpa_eapol_key *key,
+					     size_t keydatalen, int key_info,
+					     size_t extra_len, u16 ver,
+					     struct wpa_gtk_data *gd)
+{
+	size_t maxkeylen;
+	u8 ek[32];
+
+	gd->gtk_len = WPA_GET_BE16(key->key_length);
+	maxkeylen = keydatalen;
+	if (keydatalen > extra_len) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+			"WPA: Truncated EAPOL-Key packet: "
+			"key_data_length=%lu > extra_len=%lu",
+			(unsigned long) keydatalen, (unsigned long) extra_len);
+		return -1;
+	}
+	if (ver == WPA_KEY_INFO_TYPE_HMAC_SHA1_AES) {
+		if (maxkeylen < 8) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+				"WPA: Too short maxkeylen (%lu)",
+				(unsigned long) maxkeylen);
+			return -1;
+		}
+		maxkeylen -= 8;
+	}
+
+	if (wpa_supplicant_check_group_cipher(sm, sm->group_cipher,
+					      gd->gtk_len, maxkeylen,
+					      &gd->key_rsc_len, &gd->alg))
+		return -1;
+
+	gd->keyidx = (key_info & WPA_KEY_INFO_KEY_INDEX_MASK) >>
+		WPA_KEY_INFO_KEY_INDEX_SHIFT;
+	if (ver == WPA_KEY_INFO_TYPE_HMAC_MD5_RC4) {
+		os_memcpy(ek, key->key_iv, 16);
+		os_memcpy(ek + 16, sm->ptk.kek, 16);
+		if (keydatalen > sizeof(gd->gtk)) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"WPA: RC4 key data too long (%lu)",
+				(unsigned long) keydatalen);
+			return -1;
+		}
+		os_memcpy(gd->gtk, key + 1, keydatalen);
+		if (rc4_skip(ek, 32, 256, gd->gtk, keydatalen)) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_ERROR,
+				"WPA: RC4 failed");
+			return -1;
+		}
+	} else if (ver == WPA_KEY_INFO_TYPE_HMAC_SHA1_AES) {
+		if (keydatalen % 8) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"WPA: Unsupported AES-WRAP len %lu",
+				(unsigned long) keydatalen);
+			return -1;
+		}
+		if (maxkeylen > sizeof(gd->gtk)) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"WPA: AES-WRAP key data "
+				"too long (keydatalen=%lu maxkeylen=%lu)",
+				(unsigned long) keydatalen,
+				(unsigned long) maxkeylen);
+			return -1;
+		}
+		if (aes_unwrap(sm->ptk.kek, maxkeylen / 8,
+			       (const u8 *) (key + 1), gd->gtk)) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"WPA: AES unwrap failed - could not decrypt "
+				"GTK");
+			return -1;
+		}
+	} else {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"WPA: Unsupported key_info type %d", ver);
+		return -1;
+	}
+	gd->tx = wpa_supplicant_gtk_tx_bit_workaround(
+		sm, !!(key_info & WPA_KEY_INFO_TXRX));
+	return 0;
+}
+
+
+static int wpa_supplicant_send_2_of_2(struct wpa_sm *sm,
+				      const struct wpa_eapol_key *key,
+				      int ver, u16 key_info)
+{
+	size_t rlen;
+	struct wpa_eapol_key *reply;
+	u8 *rbuf;
+
+	rbuf = wpa_sm_alloc_eapol(sm, IEEE802_1X_TYPE_EAPOL_KEY, NULL,
+				  sizeof(*reply), &rlen, (void *) &reply);
+	if (rbuf == NULL)
+		return -1;
+
+	reply->type = sm->proto == WPA_PROTO_RSN ?
+		EAPOL_KEY_TYPE_RSN : EAPOL_KEY_TYPE_WPA;
+	key_info &= WPA_KEY_INFO_KEY_INDEX_MASK;
+	key_info |= ver | WPA_KEY_INFO_MIC | WPA_KEY_INFO_SECURE;
+	WPA_PUT_BE16(reply->key_info, key_info);
+	if (sm->proto == WPA_PROTO_RSN)
+		WPA_PUT_BE16(reply->key_length, 0);
+	else
+		os_memcpy(reply->key_length, key->key_length, 2);
+	os_memcpy(reply->replay_counter, key->replay_counter,
+		  WPA_REPLAY_COUNTER_LEN);
+
+	WPA_PUT_BE16(reply->key_data_length, 0);
+
+	wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "WPA: Sending EAPOL-Key 2/2");
+	wpa_eapol_key_send(sm, sm->ptk.kck, ver, sm->bssid, ETH_P_EAPOL,
+			   rbuf, rlen, reply->key_mic);
+
+	return 0;
+}
+
+
+static void wpa_supplicant_process_1_of_2(struct wpa_sm *sm,
+					  const unsigned char *src_addr,
+					  const struct wpa_eapol_key *key,
+					  int extra_len, u16 ver)
+{
+	u16 key_info, keydatalen;
+	int rekey, ret;
+	struct wpa_gtk_data gd;
+
+	os_memset(&gd, 0, sizeof(gd));
+
+	rekey = wpa_sm_get_state(sm) == WPA_COMPLETED;
+	wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "WPA: RX message 1 of Group Key "
+		"Handshake from " MACSTR " (ver=%d)", MAC2STR(src_addr), ver);
+
+	key_info = WPA_GET_BE16(key->key_info);
+	keydatalen = WPA_GET_BE16(key->key_data_length);
+
+	if (sm->proto == WPA_PROTO_RSN) {
+		ret = wpa_supplicant_process_1_of_2_rsn(sm,
+							(const u8 *) (key + 1),
+							keydatalen, key_info,
+							&gd);
+	} else {
+		ret = wpa_supplicant_process_1_of_2_wpa(sm, key, keydatalen,
+							key_info, extra_len,
+							ver, &gd);
+	}
+
+	wpa_sm_set_state(sm, WPA_GROUP_HANDSHAKE);
+
+	if (ret)
+		goto failed;
+
+	if (wpa_supplicant_install_gtk(sm, &gd, key->key_rsc) ||
+	    wpa_supplicant_send_2_of_2(sm, key, ver, key_info))
+		goto failed;
+
+	if (rekey) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_INFO, "WPA: Group rekeying "
+			"completed with " MACSTR " [GTK=%s]",
+			MAC2STR(sm->bssid), wpa_cipher_txt(sm->group_cipher));
+		wpa_sm_cancel_auth_timeout(sm);
+		wpa_sm_set_state(sm, WPA_COMPLETED);
+	} else {
+		wpa_supplicant_key_neg_complete(sm, sm->bssid,
+						key_info &
+						WPA_KEY_INFO_SECURE);
+	}
+	return;
+
+failed:
+	wpa_sm_deauthenticate(sm, WLAN_REASON_UNSPECIFIED);
+}
+
+
+static int wpa_supplicant_verify_eapol_key_mic(struct wpa_sm *sm,
+					       struct wpa_eapol_key *key,
+					       u16 ver,
+					       const u8 *buf, size_t len)
+{
+	u8 mic[16];
+	int ok = 0;
+
+	os_memcpy(mic, key->key_mic, 16);
+	if (sm->tptk_set) {
+		os_memset(key->key_mic, 0, 16);
+		wpa_eapol_key_mic(sm->tptk.kck, ver, buf, len,
+				  key->key_mic);
+		if (os_memcmp(mic, key->key_mic, 16) != 0) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"WPA: Invalid EAPOL-Key MIC "
+				"when using TPTK - ignoring TPTK");
+		} else {
+			ok = 1;
+			sm->tptk_set = 0;
+			sm->ptk_set = 1;
+			os_memcpy(&sm->ptk, &sm->tptk, sizeof(sm->ptk));
+		}
+	}
+
+	if (!ok && sm->ptk_set) {
+		os_memset(key->key_mic, 0, 16);
+		wpa_eapol_key_mic(sm->ptk.kck, ver, buf, len,
+				  key->key_mic);
+		if (os_memcmp(mic, key->key_mic, 16) != 0) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"WPA: Invalid EAPOL-Key MIC - "
+				"dropping packet");
+			return -1;
+		}
+		ok = 1;
+	}
+
+	if (!ok) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"WPA: Could not verify EAPOL-Key MIC - "
+			"dropping packet");
+		return -1;
+	}
+
+	os_memcpy(sm->rx_replay_counter, key->replay_counter,
+		  WPA_REPLAY_COUNTER_LEN);
+	sm->rx_replay_counter_set = 1;
+	return 0;
+}
+
+
+/* Decrypt RSN EAPOL-Key key data (RC4 or AES-WRAP) */
+static int wpa_supplicant_decrypt_key_data(struct wpa_sm *sm,
+					   struct wpa_eapol_key *key, u16 ver)
+{
+	u16 keydatalen = WPA_GET_BE16(key->key_data_length);
+
+	wpa_hexdump(MSG_DEBUG, "RSN: encrypted key data",
+		    (u8 *) (key + 1), keydatalen);
+	if (!sm->ptk_set) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"WPA: PTK not available, cannot decrypt EAPOL-Key Key "
+			"Data");
+		return -1;
+	}
+
+	/* Decrypt key data here so that this operation does not need
+	 * to be implemented separately for each message type. */
+	if (ver == WPA_KEY_INFO_TYPE_HMAC_MD5_RC4) {
+		u8 ek[32];
+		os_memcpy(ek, key->key_iv, 16);
+		os_memcpy(ek + 16, sm->ptk.kek, 16);
+		if (rc4_skip(ek, 32, 256, (u8 *) (key + 1), keydatalen)) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_ERROR,
+				"WPA: RC4 failed");
+			return -1;
+		}
+	} else if (ver == WPA_KEY_INFO_TYPE_HMAC_SHA1_AES ||
+		   ver == WPA_KEY_INFO_TYPE_AES_128_CMAC) {
+		u8 *buf;
+		if (keydatalen % 8) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"WPA: Unsupported AES-WRAP len %d",
+				keydatalen);
+			return -1;
+		}
+		keydatalen -= 8; /* AES-WRAP adds 8 bytes */
+		buf = os_malloc(keydatalen);
+		if (buf == NULL) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"WPA: No memory for AES-UNWRAP buffer");
+			return -1;
+		}
+		if (aes_unwrap(sm->ptk.kek, keydatalen / 8,
+			       (u8 *) (key + 1), buf)) {
+			os_free(buf);
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"WPA: AES unwrap failed - "
+				"could not decrypt EAPOL-Key key data");
+			return -1;
+		}
+		os_memcpy(key + 1, buf, keydatalen);
+		os_free(buf);
+		WPA_PUT_BE16(key->key_data_length, keydatalen);
+	} else {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"WPA: Unsupported key_info type %d", ver);
+		return -1;
+	}
+	wpa_hexdump_key(MSG_DEBUG, "WPA: decrypted EAPOL-Key key data",
+			(u8 *) (key + 1), keydatalen);
+	return 0;
+}
+
+
+/**
+ * wpa_sm_aborted_cached - Notify WPA that PMKSA caching was aborted
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ */
+void wpa_sm_aborted_cached(struct wpa_sm *sm)
+{
+	if (sm && sm->cur_pmksa) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+			"RSN: Cancelling PMKSA caching attempt");
+		sm->cur_pmksa = NULL;
+	}
+}
+
+
+static void wpa_eapol_key_dump(struct wpa_sm *sm,
+			       const struct wpa_eapol_key *key)
+{
+#ifndef CONFIG_NO_STDOUT_DEBUG
+	u16 key_info = WPA_GET_BE16(key->key_info);
+
+	wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "  EAPOL-Key type=%d", key->type);
+	wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+		"  key_info 0x%x (ver=%d keyidx=%d rsvd=%d %s%s%s%s%s%s%s%s)",
+		key_info, key_info & WPA_KEY_INFO_TYPE_MASK,
+		(key_info & WPA_KEY_INFO_KEY_INDEX_MASK) >>
+		WPA_KEY_INFO_KEY_INDEX_SHIFT,
+		(key_info & (BIT(13) | BIT(14) | BIT(15))) >> 13,
+		key_info & WPA_KEY_INFO_KEY_TYPE ? "Pairwise" : "Group",
+		key_info & WPA_KEY_INFO_INSTALL ? " Install" : "",
+		key_info & WPA_KEY_INFO_ACK ? " Ack" : "",
+		key_info & WPA_KEY_INFO_MIC ? " MIC" : "",
+		key_info & WPA_KEY_INFO_SECURE ? " Secure" : "",
+		key_info & WPA_KEY_INFO_ERROR ? " Error" : "",
+		key_info & WPA_KEY_INFO_REQUEST ? " Request" : "",
+		key_info & WPA_KEY_INFO_ENCR_KEY_DATA ? " Encr" : "");
+	wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+		"  key_length=%u key_data_length=%u",
+		WPA_GET_BE16(key->key_length),
+		WPA_GET_BE16(key->key_data_length));
+	wpa_hexdump(MSG_DEBUG, "  replay_counter",
+		    key->replay_counter, WPA_REPLAY_COUNTER_LEN);
+	wpa_hexdump(MSG_DEBUG, "  key_nonce", key->key_nonce, WPA_NONCE_LEN);
+	wpa_hexdump(MSG_DEBUG, "  key_iv", key->key_iv, 16);
+	wpa_hexdump(MSG_DEBUG, "  key_rsc", key->key_rsc, 8);
+	wpa_hexdump(MSG_DEBUG, "  key_id (reserved)", key->key_id, 8);
+	wpa_hexdump(MSG_DEBUG, "  key_mic", key->key_mic, 16);
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+}
+
+
+/**
+ * wpa_sm_rx_eapol - Process received WPA EAPOL frames
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @src_addr: Source MAC address of the EAPOL packet
+ * @buf: Pointer to the beginning of the EAPOL data (EAPOL header)
+ * @len: Length of the EAPOL frame
+ * Returns: 1 = WPA EAPOL-Key processed, 0 = not a WPA EAPOL-Key, -1 failure
+ *
+ * This function is called for each received EAPOL frame. Other than EAPOL-Key
+ * frames can be skipped if filtering is done elsewhere. wpa_sm_rx_eapol() is
+ * only processing WPA and WPA2 EAPOL-Key frames.
+ *
+ * The received EAPOL-Key packets are validated and valid packets are replied
+ * to. In addition, key material (PTK, GTK) is configured at the end of a
+ * successful key handshake.
+ */
+int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
+		    const u8 *buf, size_t len)
+{
+	size_t plen, data_len, extra_len;
+	struct ieee802_1x_hdr *hdr;
+	struct wpa_eapol_key *key;
+	u16 key_info, ver;
+	u8 *tmp;
+	int ret = -1;
+	struct wpa_peerkey *peerkey = NULL;
+
+#ifdef CONFIG_IEEE80211R
+	sm->ft_completed = 0;
+#endif /* CONFIG_IEEE80211R */
+
+	if (len < sizeof(*hdr) + sizeof(*key)) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+			"WPA: EAPOL frame too short to be a WPA "
+			"EAPOL-Key (len %lu, expecting at least %lu)",
+			(unsigned long) len,
+			(unsigned long) sizeof(*hdr) + sizeof(*key));
+		return 0;
+	}
+
+	tmp = os_malloc(len);
+	if (tmp == NULL)
+		return -1;
+	os_memcpy(tmp, buf, len);
+
+	hdr = (struct ieee802_1x_hdr *) tmp;
+	key = (struct wpa_eapol_key *) (hdr + 1);
+	plen = be_to_host16(hdr->length);
+	data_len = plen + sizeof(*hdr);
+	wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+		"IEEE 802.1X RX: version=%d type=%d length=%lu",
+		hdr->version, hdr->type, (unsigned long) plen);
+
+	if (hdr->version < EAPOL_VERSION) {
+		/* TODO: backwards compatibility */
+	}
+	if (hdr->type != IEEE802_1X_TYPE_EAPOL_KEY) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+			"WPA: EAPOL frame (type %u) discarded, "
+			"not a Key frame", hdr->type);
+		ret = 0;
+		goto out;
+	}
+	if (plen > len - sizeof(*hdr) || plen < sizeof(*key)) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+			"WPA: EAPOL frame payload size %lu "
+			"invalid (frame size %lu)",
+			(unsigned long) plen, (unsigned long) len);
+		ret = 0;
+		goto out;
+	}
+
+	if (key->type != EAPOL_KEY_TYPE_WPA && key->type != EAPOL_KEY_TYPE_RSN)
+	{
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+			"WPA: EAPOL-Key type (%d) unknown, discarded",
+			key->type);
+		ret = 0;
+		goto out;
+	}
+	wpa_eapol_key_dump(sm, key);
+
+	eapol_sm_notify_lower_layer_success(sm->eapol, 0);
+	wpa_hexdump(MSG_MSGDUMP, "WPA: RX EAPOL-Key", tmp, len);
+	if (data_len < len) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+			"WPA: ignoring %lu bytes after the IEEE 802.1X data",
+			(unsigned long) len - data_len);
+	}
+	key_info = WPA_GET_BE16(key->key_info);
+	ver = key_info & WPA_KEY_INFO_TYPE_MASK;
+	if (ver != WPA_KEY_INFO_TYPE_HMAC_MD5_RC4 &&
+#if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W)
+	    ver != WPA_KEY_INFO_TYPE_AES_128_CMAC &&
+#endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W */
+	    ver != WPA_KEY_INFO_TYPE_HMAC_SHA1_AES) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+			"WPA: Unsupported EAPOL-Key descriptor version %d",
+			ver);
+		goto out;
+	}
+
+#ifdef CONFIG_IEEE80211R
+	if (wpa_key_mgmt_ft(sm->key_mgmt)) {
+		/* IEEE 802.11r uses a new key_info type (AES-128-CMAC). */
+		if (ver != WPA_KEY_INFO_TYPE_AES_128_CMAC) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+				"FT: AP did not use AES-128-CMAC");
+			goto out;
+		}
+	} else
+#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_IEEE80211W
+	if (wpa_key_mgmt_sha256(sm->key_mgmt)) {
+		if (ver != WPA_KEY_INFO_TYPE_AES_128_CMAC) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+				"WPA: AP did not use the "
+				"negotiated AES-128-CMAC");
+			goto out;
+		}
+	} else
+#endif /* CONFIG_IEEE80211W */
+	if (sm->pairwise_cipher == WPA_CIPHER_CCMP &&
+	    ver != WPA_KEY_INFO_TYPE_HMAC_SHA1_AES) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+			"WPA: CCMP is used, but EAPOL-Key "
+			"descriptor version (%d) is not 2", ver);
+		if (sm->group_cipher != WPA_CIPHER_CCMP &&
+		    !(key_info & WPA_KEY_INFO_KEY_TYPE)) {
+			/* Earlier versions of IEEE 802.11i did not explicitly
+			 * require version 2 descriptor for all EAPOL-Key
+			 * packets, so allow group keys to use version 1 if
+			 * CCMP is not used for them. */
+			wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+				"WPA: Backwards compatibility: allow invalid "
+				"version for non-CCMP group keys");
+		} else
+			goto out;
+	}
+
+#ifdef CONFIG_PEERKEY
+	for (peerkey = sm->peerkey; peerkey; peerkey = peerkey->next) {
+		if (os_memcmp(peerkey->addr, src_addr, ETH_ALEN) == 0)
+			break;
+	}
+
+	if (!(key_info & WPA_KEY_INFO_SMK_MESSAGE) && peerkey) {
+		if (!peerkey->initiator && peerkey->replay_counter_set &&
+		    os_memcmp(key->replay_counter, peerkey->replay_counter,
+			      WPA_REPLAY_COUNTER_LEN) <= 0) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"RSN: EAPOL-Key Replay Counter did not "
+				"increase (STK) - dropping packet");
+			goto out;
+		} else if (peerkey->initiator) {
+			u8 _tmp[WPA_REPLAY_COUNTER_LEN];
+			os_memcpy(_tmp, key->replay_counter,
+				  WPA_REPLAY_COUNTER_LEN);
+			inc_byte_array(_tmp, WPA_REPLAY_COUNTER_LEN);
+			if (os_memcmp(_tmp, peerkey->replay_counter,
+				      WPA_REPLAY_COUNTER_LEN) != 0) {
+				wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+					"RSN: EAPOL-Key Replay "
+					"Counter did not match (STK) - "
+					"dropping packet");
+				goto out;
+			}
+		}
+	}
+
+	if (peerkey && peerkey->initiator && (key_info & WPA_KEY_INFO_ACK)) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+			"RSN: Ack bit in key_info from STK peer");
+		goto out;
+	}
+#endif /* CONFIG_PEERKEY */
+
+	if (!peerkey && sm->rx_replay_counter_set &&
+	    os_memcmp(key->replay_counter, sm->rx_replay_counter,
+		      WPA_REPLAY_COUNTER_LEN) <= 0) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+			"WPA: EAPOL-Key Replay Counter did not increase - "
+			"dropping packet");
+		goto out;
+	}
+
+	if (!(key_info & (WPA_KEY_INFO_ACK | WPA_KEY_INFO_SMK_MESSAGE))
+#ifdef CONFIG_PEERKEY
+	    && (peerkey == NULL || !peerkey->initiator)
+#endif /* CONFIG_PEERKEY */
+		) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+			"WPA: No Ack bit in key_info");
+		goto out;
+	}
+
+	if (key_info & WPA_KEY_INFO_REQUEST) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+			"WPA: EAPOL-Key with Request bit - dropped");
+		goto out;
+	}
+
+	if ((key_info & WPA_KEY_INFO_MIC) && !peerkey &&
+	    wpa_supplicant_verify_eapol_key_mic(sm, key, ver, tmp, data_len))
+		goto out;
+
+#ifdef CONFIG_PEERKEY
+	if ((key_info & WPA_KEY_INFO_MIC) && peerkey &&
+	    peerkey_verify_eapol_key_mic(sm, peerkey, key, ver, tmp, data_len))
+		goto out;
+#endif /* CONFIG_PEERKEY */
+
+	extra_len = data_len - sizeof(*hdr) - sizeof(*key);
+
+	if (WPA_GET_BE16(key->key_data_length) > extra_len) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_INFO, "WPA: Invalid EAPOL-Key "
+			"frame - key_data overflow (%d > %lu)",
+			WPA_GET_BE16(key->key_data_length),
+			(unsigned long) extra_len);
+		goto out;
+	}
+	extra_len = WPA_GET_BE16(key->key_data_length);
+
+	if (sm->proto == WPA_PROTO_RSN &&
+	    (key_info & WPA_KEY_INFO_ENCR_KEY_DATA)) {
+		if (wpa_supplicant_decrypt_key_data(sm, key, ver))
+			goto out;
+		extra_len = WPA_GET_BE16(key->key_data_length);
+	}
+
+	if (key_info & WPA_KEY_INFO_KEY_TYPE) {
+		if (key_info & WPA_KEY_INFO_KEY_INDEX_MASK) {
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"WPA: Ignored EAPOL-Key (Pairwise) with "
+				"non-zero key index");
+			goto out;
+		}
+		if (peerkey) {
+			/* PeerKey 4-Way Handshake */
+			peerkey_rx_eapol_4way(sm, peerkey, key, key_info, ver);
+		} else if (key_info & WPA_KEY_INFO_MIC) {
+			/* 3/4 4-Way Handshake */
+			wpa_supplicant_process_3_of_4(sm, key, ver);
+		} else {
+			/* 1/4 4-Way Handshake */
+			wpa_supplicant_process_1_of_4(sm, src_addr, key,
+						      ver);
+		}
+	} else if (key_info & WPA_KEY_INFO_SMK_MESSAGE) {
+		/* PeerKey SMK Handshake */
+		peerkey_rx_eapol_smk(sm, src_addr, key, extra_len, key_info,
+				     ver);
+	} else {
+		if (key_info & WPA_KEY_INFO_MIC) {
+			/* 1/2 Group Key Handshake */
+			wpa_supplicant_process_1_of_2(sm, src_addr, key,
+						      extra_len, ver);
+		} else {
+			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+				"WPA: EAPOL-Key (Group) without Mic bit - "
+				"dropped");
+		}
+	}
+
+	ret = 1;
+
+out:
+	os_free(tmp);
+	return ret;
+}
+
+
+#ifdef CONFIG_CTRL_IFACE
+static int wpa_cipher_bits(int cipher)
+{
+	switch (cipher) {
+	case WPA_CIPHER_CCMP:
+		return 128;
+	case WPA_CIPHER_TKIP:
+		return 256;
+	case WPA_CIPHER_WEP104:
+		return 104;
+	case WPA_CIPHER_WEP40:
+		return 40;
+	default:
+		return 0;
+	}
+}
+
+
+static u32 wpa_key_mgmt_suite(struct wpa_sm *sm)
+{
+	switch (sm->key_mgmt) {
+	case WPA_KEY_MGMT_IEEE8021X:
+		return (sm->proto == WPA_PROTO_RSN ?
+			RSN_AUTH_KEY_MGMT_UNSPEC_802_1X :
+			WPA_AUTH_KEY_MGMT_UNSPEC_802_1X);
+	case WPA_KEY_MGMT_PSK:
+		return (sm->proto == WPA_PROTO_RSN ?
+			RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X :
+			WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X);
+#ifdef CONFIG_IEEE80211R
+	case WPA_KEY_MGMT_FT_IEEE8021X:
+		return RSN_AUTH_KEY_MGMT_FT_802_1X;
+	case WPA_KEY_MGMT_FT_PSK:
+		return RSN_AUTH_KEY_MGMT_FT_PSK;
+#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_IEEE80211W
+	case WPA_KEY_MGMT_IEEE8021X_SHA256:
+		return RSN_AUTH_KEY_MGMT_802_1X_SHA256;
+	case WPA_KEY_MGMT_PSK_SHA256:
+		return RSN_AUTH_KEY_MGMT_PSK_SHA256;
+#endif /* CONFIG_IEEE80211W */
+	case WPA_KEY_MGMT_WPA_NONE:
+		return WPA_AUTH_KEY_MGMT_NONE;
+	default:
+		return 0;
+	}
+}
+
+
+static u32 wpa_cipher_suite(struct wpa_sm *sm, int cipher)
+{
+	switch (cipher) {
+	case WPA_CIPHER_CCMP:
+		return (sm->proto == WPA_PROTO_RSN ?
+			RSN_CIPHER_SUITE_CCMP : WPA_CIPHER_SUITE_CCMP);
+	case WPA_CIPHER_TKIP:
+		return (sm->proto == WPA_PROTO_RSN ?
+			RSN_CIPHER_SUITE_TKIP : WPA_CIPHER_SUITE_TKIP);
+	case WPA_CIPHER_WEP104:
+		return (sm->proto == WPA_PROTO_RSN ?
+			RSN_CIPHER_SUITE_WEP104 : WPA_CIPHER_SUITE_WEP104);
+	case WPA_CIPHER_WEP40:
+		return (sm->proto == WPA_PROTO_RSN ?
+			RSN_CIPHER_SUITE_WEP40 : WPA_CIPHER_SUITE_WEP40);
+	case WPA_CIPHER_NONE:
+		return (sm->proto == WPA_PROTO_RSN ?
+			RSN_CIPHER_SUITE_NONE : WPA_CIPHER_SUITE_NONE);
+	default:
+		return 0;
+	}
+}
+
+
+#define RSN_SUITE "%02x-%02x-%02x-%d"
+#define RSN_SUITE_ARG(s) \
+((s) >> 24) & 0xff, ((s) >> 16) & 0xff, ((s) >> 8) & 0xff, (s) & 0xff
+
+/**
+ * wpa_sm_get_mib - Dump text list of MIB entries
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @buf: Buffer for the list
+ * @buflen: Length of the buffer
+ * Returns: Number of bytes written to buffer
+ *
+ * This function is used fetch dot11 MIB variables.
+ */
+int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen)
+{
+	char pmkid_txt[PMKID_LEN * 2 + 1];
+	int rsna, ret;
+	size_t len;
+
+	if (sm->cur_pmksa) {
+		wpa_snprintf_hex(pmkid_txt, sizeof(pmkid_txt),
+				 sm->cur_pmksa->pmkid, PMKID_LEN);
+	} else
+		pmkid_txt[0] = '\0';
+
+	if ((wpa_key_mgmt_wpa_psk(sm->key_mgmt) ||
+	     wpa_key_mgmt_wpa_ieee8021x(sm->key_mgmt)) &&
+	    sm->proto == WPA_PROTO_RSN)
+		rsna = 1;
+	else
+		rsna = 0;
+
+	ret = os_snprintf(buf, buflen,
+			  "dot11RSNAOptionImplemented=TRUE\n"
+			  "dot11RSNAPreauthenticationImplemented=TRUE\n"
+			  "dot11RSNAEnabled=%s\n"
+			  "dot11RSNAPreauthenticationEnabled=%s\n"
+			  "dot11RSNAConfigVersion=%d\n"
+			  "dot11RSNAConfigPairwiseKeysSupported=5\n"
+			  "dot11RSNAConfigGroupCipherSize=%d\n"
+			  "dot11RSNAConfigPMKLifetime=%d\n"
+			  "dot11RSNAConfigPMKReauthThreshold=%d\n"
+			  "dot11RSNAConfigNumberOfPTKSAReplayCounters=1\n"
+			  "dot11RSNAConfigSATimeout=%d\n",
+			  rsna ? "TRUE" : "FALSE",
+			  rsna ? "TRUE" : "FALSE",
+			  RSN_VERSION,
+			  wpa_cipher_bits(sm->group_cipher),
+			  sm->dot11RSNAConfigPMKLifetime,
+			  sm->dot11RSNAConfigPMKReauthThreshold,
+			  sm->dot11RSNAConfigSATimeout);
+	if (ret < 0 || (size_t) ret >= buflen)
+		return 0;
+	len = ret;
+
+	ret = os_snprintf(
+		buf + len, buflen - len,
+		"dot11RSNAAuthenticationSuiteSelected=" RSN_SUITE "\n"
+		"dot11RSNAPairwiseCipherSelected=" RSN_SUITE "\n"
+		"dot11RSNAGroupCipherSelected=" RSN_SUITE "\n"
+		"dot11RSNAPMKIDUsed=%s\n"
+		"dot11RSNAAuthenticationSuiteRequested=" RSN_SUITE "\n"
+		"dot11RSNAPairwiseCipherRequested=" RSN_SUITE "\n"
+		"dot11RSNAGroupCipherRequested=" RSN_SUITE "\n"
+		"dot11RSNAConfigNumberOfGTKSAReplayCounters=0\n"
+		"dot11RSNA4WayHandshakeFailures=%u\n",
+		RSN_SUITE_ARG(wpa_key_mgmt_suite(sm)),
+		RSN_SUITE_ARG(wpa_cipher_suite(sm, sm->pairwise_cipher)),
+		RSN_SUITE_ARG(wpa_cipher_suite(sm, sm->group_cipher)),
+		pmkid_txt,
+		RSN_SUITE_ARG(wpa_key_mgmt_suite(sm)),
+		RSN_SUITE_ARG(wpa_cipher_suite(sm, sm->pairwise_cipher)),
+		RSN_SUITE_ARG(wpa_cipher_suite(sm, sm->group_cipher)),
+		sm->dot11RSNA4WayHandshakeFailures);
+	if (ret >= 0 && (size_t) ret < buflen)
+		len += ret;
+
+	return (int) len;
+}
+#endif /* CONFIG_CTRL_IFACE */
+
+
+static void wpa_sm_pmksa_free_cb(struct rsn_pmksa_cache_entry *entry,
+				 void *ctx, int replace)
+{
+	struct wpa_sm *sm = ctx;
+
+	if (sm->cur_pmksa == entry ||
+	    (sm->pmk_len == entry->pmk_len &&
+	     os_memcmp(sm->pmk, entry->pmk, sm->pmk_len) == 0)) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+			"RSN: removed current PMKSA entry");
+		sm->cur_pmksa = NULL;
+
+		if (replace) {
+			/* A new entry is being added, so no need to
+			 * deauthenticate in this case. This happens when EAP
+			 * authentication is completed again (reauth or failed
+			 * PMKSA caching attempt). */
+			return;
+		}
+
+		os_memset(sm->pmk, 0, sizeof(sm->pmk));
+		wpa_sm_deauthenticate(sm, WLAN_REASON_UNSPECIFIED);
+	}
+}
+
+
+/**
+ * wpa_sm_init - Initialize WPA state machine
+ * @ctx: Context pointer for callbacks; this needs to be an allocated buffer
+ * Returns: Pointer to the allocated WPA state machine data
+ *
+ * This function is used to allocate a new WPA state machine and the returned
+ * value is passed to all WPA state machine calls.
+ */
+struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx)
+{
+	struct wpa_sm *sm;
+
+	sm = os_zalloc(sizeof(*sm));
+	if (sm == NULL)
+		return NULL;
+	dl_list_init(&sm->pmksa_candidates);
+	sm->renew_snonce = 1;
+	sm->ctx = ctx;
+
+	sm->dot11RSNAConfigPMKLifetime = 43200;
+	sm->dot11RSNAConfigPMKReauthThreshold = 70;
+	sm->dot11RSNAConfigSATimeout = 60;
+
+	sm->pmksa = pmksa_cache_init(wpa_sm_pmksa_free_cb, sm, sm);
+	if (sm->pmksa == NULL) {
+		wpa_msg(sm->ctx->msg_ctx, MSG_ERROR,
+			"RSN: PMKSA cache initialization failed");
+		os_free(sm);
+		return NULL;
+	}
+
+	return sm;
+}
+
+
+/**
+ * wpa_sm_deinit - Deinitialize WPA state machine
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ */
+void wpa_sm_deinit(struct wpa_sm *sm)
+{
+	if (sm == NULL)
+		return;
+	pmksa_cache_deinit(sm->pmksa);
+	eloop_cancel_timeout(wpa_sm_start_preauth, sm, NULL);
+	eloop_cancel_timeout(wpa_sm_rekey_ptk, sm, NULL);
+	os_free(sm->assoc_wpa_ie);
+	os_free(sm->ap_wpa_ie);
+	os_free(sm->ap_rsn_ie);
+	os_free(sm->ctx);
+	peerkey_deinit(sm);
+#ifdef CONFIG_IEEE80211R
+	os_free(sm->assoc_resp_ies);
+#endif /* CONFIG_IEEE80211R */
+	os_free(sm);
+}
+
+
+/**
+ * wpa_sm_notify_assoc - Notify WPA state machine about association
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @bssid: The BSSID of the new association
+ *
+ * This function is called to let WPA state machine know that the connection
+ * was established.
+ */
+void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid)
+{
+	int clear_ptk = 1;
+
+	if (sm == NULL)
+		return;
+
+	wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+		"WPA: Association event - clear replay counter");
+	os_memcpy(sm->bssid, bssid, ETH_ALEN);
+	os_memset(sm->rx_replay_counter, 0, WPA_REPLAY_COUNTER_LEN);
+	sm->rx_replay_counter_set = 0;
+	sm->renew_snonce = 1;
+	if (os_memcmp(sm->preauth_bssid, bssid, ETH_ALEN) == 0)
+		rsn_preauth_deinit(sm);
+
+#ifdef CONFIG_IEEE80211R
+	if (wpa_ft_is_completed(sm)) {
+		/*
+		 * Clear portValid to kick EAPOL state machine to re-enter
+		 * AUTHENTICATED state to get the EAPOL port Authorized.
+		 */
+		eapol_sm_notify_portValid(sm->eapol, FALSE);
+		wpa_supplicant_key_neg_complete(sm, sm->bssid, 1);
+
+		/* Prepare for the next transition */
+		wpa_ft_prepare_auth_request(sm, NULL);
+
+		clear_ptk = 0;
+	}
+#endif /* CONFIG_IEEE80211R */
+
+	if (clear_ptk) {
+		/*
+		 * IEEE 802.11, 8.4.10: Delete PTK SA on (re)association if
+		 * this is not part of a Fast BSS Transition.
+		 */
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "WPA: Clear old PTK");
+		sm->ptk_set = 0;
+		sm->tptk_set = 0;
+	}
+
+#ifdef CONFIG_TDLS
+	wpa_tdls_assoc(sm);
+#endif /* CONFIG_TDLS */
+}
+
+
+/**
+ * wpa_sm_notify_disassoc - Notify WPA state machine about disassociation
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ *
+ * This function is called to let WPA state machine know that the connection
+ * was lost. This will abort any existing pre-authentication session.
+ */
+void wpa_sm_notify_disassoc(struct wpa_sm *sm)
+{
+	rsn_preauth_deinit(sm);
+	if (wpa_sm_get_state(sm) == WPA_4WAY_HANDSHAKE)
+		sm->dot11RSNA4WayHandshakeFailures++;
+#ifdef CONFIG_TDLS
+	wpa_tdls_disassoc(sm);
+#endif /* CONFIG_TDLS */
+}
+
+
+/**
+ * wpa_sm_set_pmk - Set PMK
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @pmk: The new PMK
+ * @pmk_len: The length of the new PMK in bytes
+ *
+ * Configure the PMK for WPA state machine.
+ */
+void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len)
+{
+	if (sm == NULL)
+		return;
+
+	sm->pmk_len = pmk_len;
+	os_memcpy(sm->pmk, pmk, pmk_len);
+
+#ifdef CONFIG_IEEE80211R
+	/* Set XXKey to be PSK for FT key derivation */
+	sm->xxkey_len = pmk_len;
+	os_memcpy(sm->xxkey, pmk, pmk_len);
+#endif /* CONFIG_IEEE80211R */
+}
+
+
+/**
+ * wpa_sm_set_pmk_from_pmksa - Set PMK based on the current PMKSA
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ *
+ * Take the PMK from the current PMKSA into use. If no PMKSA is active, the PMK
+ * will be cleared.
+ */
+void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm)
+{
+	if (sm == NULL)
+		return;
+
+	if (sm->cur_pmksa) {
+		sm->pmk_len = sm->cur_pmksa->pmk_len;
+		os_memcpy(sm->pmk, sm->cur_pmksa->pmk, sm->pmk_len);
+	} else {
+		sm->pmk_len = PMK_LEN;
+		os_memset(sm->pmk, 0, PMK_LEN);
+	}
+}
+
+
+/**
+ * wpa_sm_set_fast_reauth - Set fast reauthentication (EAP) enabled/disabled
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @fast_reauth: Whether fast reauthentication (EAP) is allowed
+ */
+void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth)
+{
+	if (sm)
+		sm->fast_reauth = fast_reauth;
+}
+
+
+/**
+ * wpa_sm_set_scard_ctx - Set context pointer for smartcard callbacks
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @scard_ctx: Context pointer for smartcard related callback functions
+ */
+void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx)
+{
+	if (sm == NULL)
+		return;
+	sm->scard_ctx = scard_ctx;
+	if (sm->preauth_eapol)
+		eapol_sm_register_scard_ctx(sm->preauth_eapol, scard_ctx);
+}
+
+
+/**
+ * wpa_sm_set_config - Notification of current configration change
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @config: Pointer to current network configuration
+ *
+ * Notify WPA state machine that configuration has changed. config will be
+ * stored as a backpointer to network configuration. This can be %NULL to clear
+ * the stored pointed.
+ */
+void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config)
+{
+	if (!sm)
+		return;
+
+	if (config) {
+		sm->network_ctx = config->network_ctx;
+		sm->peerkey_enabled = config->peerkey_enabled;
+		sm->allowed_pairwise_cipher = config->allowed_pairwise_cipher;
+		sm->proactive_key_caching = config->proactive_key_caching;
+		sm->eap_workaround = config->eap_workaround;
+		sm->eap_conf_ctx = config->eap_conf_ctx;
+		if (config->ssid) {
+			os_memcpy(sm->ssid, config->ssid, config->ssid_len);
+			sm->ssid_len = config->ssid_len;
+		} else
+			sm->ssid_len = 0;
+		sm->wpa_ptk_rekey = config->wpa_ptk_rekey;
+	} else {
+		sm->network_ctx = NULL;
+		sm->peerkey_enabled = 0;
+		sm->allowed_pairwise_cipher = 0;
+		sm->proactive_key_caching = 0;
+		sm->eap_workaround = 0;
+		sm->eap_conf_ctx = NULL;
+		sm->ssid_len = 0;
+		sm->wpa_ptk_rekey = 0;
+	}
+	if (config == NULL || config->network_ctx != sm->network_ctx)
+		pmksa_cache_notify_reconfig(sm->pmksa);
+}
+
+
+/**
+ * wpa_sm_set_own_addr - Set own MAC address
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @addr: Own MAC address
+ */
+void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr)
+{
+	if (sm)
+		os_memcpy(sm->own_addr, addr, ETH_ALEN);
+}
+
+
+/**
+ * wpa_sm_set_ifname - Set network interface name
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @ifname: Interface name
+ * @bridge_ifname: Optional bridge interface name (for pre-auth)
+ */
+void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
+		       const char *bridge_ifname)
+{
+	if (sm) {
+		sm->ifname = ifname;
+		sm->bridge_ifname = bridge_ifname;
+	}
+}
+
+
+/**
+ * wpa_sm_set_eapol - Set EAPOL state machine pointer
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @eapol: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ */
+void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol)
+{
+	if (sm)
+		sm->eapol = eapol;
+}
+
+
+/**
+ * wpa_sm_set_param - Set WPA state machine parameters
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @param: Parameter field
+ * @value: Parameter value
+ * Returns: 0 on success, -1 on failure
+ */
+int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param,
+		     unsigned int value)
+{
+	int ret = 0;
+
+	if (sm == NULL)
+		return -1;
+
+	switch (param) {
+	case RSNA_PMK_LIFETIME:
+		if (value > 0)
+			sm->dot11RSNAConfigPMKLifetime = value;
+		else
+			ret = -1;
+		break;
+	case RSNA_PMK_REAUTH_THRESHOLD:
+		if (value > 0 && value <= 100)
+			sm->dot11RSNAConfigPMKReauthThreshold = value;
+		else
+			ret = -1;
+		break;
+	case RSNA_SA_TIMEOUT:
+		if (value > 0)
+			sm->dot11RSNAConfigSATimeout = value;
+		else
+			ret = -1;
+		break;
+	case WPA_PARAM_PROTO:
+		sm->proto = value;
+		break;
+	case WPA_PARAM_PAIRWISE:
+		sm->pairwise_cipher = value;
+		break;
+	case WPA_PARAM_GROUP:
+		sm->group_cipher = value;
+		break;
+	case WPA_PARAM_KEY_MGMT:
+		sm->key_mgmt = value;
+		break;
+#ifdef CONFIG_IEEE80211W
+	case WPA_PARAM_MGMT_GROUP:
+		sm->mgmt_group_cipher = value;
+		break;
+#endif /* CONFIG_IEEE80211W */
+	case WPA_PARAM_RSN_ENABLED:
+		sm->rsn_enabled = value;
+		break;
+	case WPA_PARAM_MFP:
+		sm->mfp = value;
+		break;
+	default:
+		break;
+	}
+
+	return ret;
+}
+
+
+/**
+ * wpa_sm_get_param - Get WPA state machine parameters
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @param: Parameter field
+ * Returns: Parameter value
+ */
+unsigned int wpa_sm_get_param(struct wpa_sm *sm, enum wpa_sm_conf_params param)
+{
+	if (sm == NULL)
+		return 0;
+
+	switch (param) {
+	case RSNA_PMK_LIFETIME:
+		return sm->dot11RSNAConfigPMKLifetime;
+	case RSNA_PMK_REAUTH_THRESHOLD:
+		return sm->dot11RSNAConfigPMKReauthThreshold;
+	case RSNA_SA_TIMEOUT:
+		return sm->dot11RSNAConfigSATimeout;
+	case WPA_PARAM_PROTO:
+		return sm->proto;
+	case WPA_PARAM_PAIRWISE:
+		return sm->pairwise_cipher;
+	case WPA_PARAM_GROUP:
+		return sm->group_cipher;
+	case WPA_PARAM_KEY_MGMT:
+		return sm->key_mgmt;
+#ifdef CONFIG_IEEE80211W
+	case WPA_PARAM_MGMT_GROUP:
+		return sm->mgmt_group_cipher;
+#endif /* CONFIG_IEEE80211W */
+	case WPA_PARAM_RSN_ENABLED:
+		return sm->rsn_enabled;
+	default:
+		return 0;
+	}
+}
+
+
+/**
+ * wpa_sm_get_status - Get WPA state machine
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @buf: Buffer for status information
+ * @buflen: Maximum buffer length
+ * @verbose: Whether to include verbose status information
+ * Returns: Number of bytes written to buf.
+ *
+ * Query WPA state machine for status information. This function fills in
+ * a text area with current status information. If the buffer (buf) is not
+ * large enough, status information will be truncated to fit the buffer.
+ */
+int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen,
+		      int verbose)
+{
+	char *pos = buf, *end = buf + buflen;
+	int ret;
+
+	ret = os_snprintf(pos, end - pos,
+			  "pairwise_cipher=%s\n"
+			  "group_cipher=%s\n"
+			  "key_mgmt=%s\n",
+			  wpa_cipher_txt(sm->pairwise_cipher),
+			  wpa_cipher_txt(sm->group_cipher),
+			  wpa_key_mgmt_txt(sm->key_mgmt, sm->proto));
+	if (ret < 0 || ret >= end - pos)
+		return pos - buf;
+	pos += ret;
+	return pos - buf;
+}
+
+
+/**
+ * wpa_sm_set_assoc_wpa_ie_default - Generate own WPA/RSN IE from configuration
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @wpa_ie: Pointer to buffer for WPA/RSN IE
+ * @wpa_ie_len: Pointer to the length of the wpa_ie buffer
+ * Returns: 0 on success, -1 on failure
+ */
+int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie,
+				    size_t *wpa_ie_len)
+{
+	int res;
+
+	if (sm == NULL)
+		return -1;
+
+	res = wpa_gen_wpa_ie(sm, wpa_ie, *wpa_ie_len);
+	if (res < 0)
+		return -1;
+	*wpa_ie_len = res;
+
+	wpa_hexdump(MSG_DEBUG, "WPA: Set own WPA IE default",
+		    wpa_ie, *wpa_ie_len);
+
+	if (sm->assoc_wpa_ie == NULL) {
+		/*
+		 * Make a copy of the WPA/RSN IE so that 4-Way Handshake gets
+		 * the correct version of the IE even if PMKSA caching is
+		 * aborted (which would remove PMKID from IE generation).
+		 */
+		sm->assoc_wpa_ie = os_malloc(*wpa_ie_len);
+		if (sm->assoc_wpa_ie == NULL)
+			return -1;
+
+		os_memcpy(sm->assoc_wpa_ie, wpa_ie, *wpa_ie_len);
+		sm->assoc_wpa_ie_len = *wpa_ie_len;
+	}
+
+	return 0;
+}
+
+
+/**
+ * wpa_sm_set_assoc_wpa_ie - Set own WPA/RSN IE from (Re)AssocReq
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @ie: Pointer to IE data (starting from id)
+ * @len: IE length
+ * Returns: 0 on success, -1 on failure
+ *
+ * Inform WPA state machine about the WPA/RSN IE used in (Re)Association
+ * Request frame. The IE will be used to override the default value generated
+ * with wpa_sm_set_assoc_wpa_ie_default().
+ */
+int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len)
+{
+	if (sm == NULL)
+		return -1;
+
+	os_free(sm->assoc_wpa_ie);
+	if (ie == NULL || len == 0) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+			"WPA: clearing own WPA/RSN IE");
+		sm->assoc_wpa_ie = NULL;
+		sm->assoc_wpa_ie_len = 0;
+	} else {
+		wpa_hexdump(MSG_DEBUG, "WPA: set own WPA/RSN IE", ie, len);
+		sm->assoc_wpa_ie = os_malloc(len);
+		if (sm->assoc_wpa_ie == NULL)
+			return -1;
+
+		os_memcpy(sm->assoc_wpa_ie, ie, len);
+		sm->assoc_wpa_ie_len = len;
+	}
+
+	return 0;
+}
+
+
+/**
+ * wpa_sm_set_ap_wpa_ie - Set AP WPA IE from Beacon/ProbeResp
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @ie: Pointer to IE data (starting from id)
+ * @len: IE length
+ * Returns: 0 on success, -1 on failure
+ *
+ * Inform WPA state machine about the WPA IE used in Beacon / Probe Response
+ * frame.
+ */
+int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len)
+{
+	if (sm == NULL)
+		return -1;
+
+	os_free(sm->ap_wpa_ie);
+	if (ie == NULL || len == 0) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+			"WPA: clearing AP WPA IE");
+		sm->ap_wpa_ie = NULL;
+		sm->ap_wpa_ie_len = 0;
+	} else {
+		wpa_hexdump(MSG_DEBUG, "WPA: set AP WPA IE", ie, len);
+		sm->ap_wpa_ie = os_malloc(len);
+		if (sm->ap_wpa_ie == NULL)
+			return -1;
+
+		os_memcpy(sm->ap_wpa_ie, ie, len);
+		sm->ap_wpa_ie_len = len;
+	}
+
+	return 0;
+}
+
+
+/**
+ * wpa_sm_set_ap_rsn_ie - Set AP RSN IE from Beacon/ProbeResp
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @ie: Pointer to IE data (starting from id)
+ * @len: IE length
+ * Returns: 0 on success, -1 on failure
+ *
+ * Inform WPA state machine about the RSN IE used in Beacon / Probe Response
+ * frame.
+ */
+int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len)
+{
+	if (sm == NULL)
+		return -1;
+
+	os_free(sm->ap_rsn_ie);
+	if (ie == NULL || len == 0) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+			"WPA: clearing AP RSN IE");
+		sm->ap_rsn_ie = NULL;
+		sm->ap_rsn_ie_len = 0;
+	} else {
+		wpa_hexdump(MSG_DEBUG, "WPA: set AP RSN IE", ie, len);
+		sm->ap_rsn_ie = os_malloc(len);
+		if (sm->ap_rsn_ie == NULL)
+			return -1;
+
+		os_memcpy(sm->ap_rsn_ie, ie, len);
+		sm->ap_rsn_ie_len = len;
+	}
+
+	return 0;
+}
+
+
+/**
+ * wpa_sm_parse_own_wpa_ie - Parse own WPA/RSN IE
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @data: Pointer to data area for parsing results
+ * Returns: 0 on success, -1 if IE is not known, or -2 on parsing failure
+ *
+ * Parse the contents of the own WPA or RSN IE from (Re)AssocReq and write the
+ * parsed data into data.
+ */
+int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data)
+{
+	if (sm == NULL)
+		return -1;
+
+	if (sm->assoc_wpa_ie == NULL) {
+		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+			"WPA: No WPA/RSN IE available from association info");
+		return -1;
+	}
+	if (wpa_parse_wpa_ie(sm->assoc_wpa_ie, sm->assoc_wpa_ie_len, data))
+		return -2;
+	return 0;
+}
+
+
+int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len)
+{
+#ifndef CONFIG_NO_WPA2
+	return pmksa_cache_list(sm->pmksa, buf, len);
+#else /* CONFIG_NO_WPA2 */
+	return -1;
+#endif /* CONFIG_NO_WPA2 */
+}
+
+
+void wpa_sm_drop_sa(struct wpa_sm *sm)
+{
+	wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "WPA: Clear old PMK and PTK");
+	sm->ptk_set = 0;
+	sm->tptk_set = 0;
+	os_memset(sm->pmk, 0, sizeof(sm->pmk));
+	os_memset(&sm->ptk, 0, sizeof(sm->ptk));
+	os_memset(&sm->tptk, 0, sizeof(sm->tptk));
+}
+
+
+int wpa_sm_has_ptk(struct wpa_sm *sm)
+{
+	if (sm == NULL)
+		return 0;
+	return sm->ptk_set;
+}
diff --git a/src/rsn_supp/wpa.h b/src/rsn_supp/wpa.h
new file mode 100644
index 0000000..111597c
--- /dev/null
+++ b/src/rsn_supp/wpa.h
@@ -0,0 +1,351 @@
+/*
+ * wpa_supplicant - WPA definitions
+ * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef WPA_H
+#define WPA_H
+
+#include "common/defs.h"
+#include "common/eapol_common.h"
+#include "common/wpa_common.h"
+
+struct wpa_sm;
+struct eapol_sm;
+struct wpa_config_blob;
+
+struct wpa_sm_ctx {
+	void *ctx; /* pointer to arbitrary upper level context */
+	void *msg_ctx; /* upper level context for wpa_msg() calls */
+
+	void (*set_state)(void *ctx, enum wpa_states state);
+	enum wpa_states (*get_state)(void *ctx);
+	void (*deauthenticate)(void * ctx, int reason_code); 
+	void (*disassociate)(void *ctx, int reason_code);
+	int (*set_key)(void *ctx, enum wpa_alg alg,
+		       const u8 *addr, int key_idx, int set_tx,
+		       const u8 *seq, size_t seq_len,
+		       const u8 *key, size_t key_len);
+	void * (*get_network_ctx)(void *ctx);
+	int (*get_bssid)(void *ctx, u8 *bssid);
+	int (*ether_send)(void *ctx, const u8 *dest, u16 proto, const u8 *buf,
+			  size_t len);
+	int (*get_beacon_ie)(void *ctx);
+	void (*cancel_auth_timeout)(void *ctx);
+	u8 * (*alloc_eapol)(void *ctx, u8 type, const void *data, u16 data_len,
+			    size_t *msg_len, void **data_pos);
+	int (*add_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid);
+	int (*remove_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid);
+	void (*set_config_blob)(void *ctx, struct wpa_config_blob *blob);
+	const struct wpa_config_blob * (*get_config_blob)(void *ctx,
+							  const char *name);
+	int (*mlme_setprotection)(void *ctx, const u8 *addr,
+				  int protection_type, int key_type);
+	int (*update_ft_ies)(void *ctx, const u8 *md, const u8 *ies,
+			     size_t ies_len);
+	int (*send_ft_action)(void *ctx, u8 action, const u8 *target_ap,
+			      const u8 *ies, size_t ies_len);
+	int (*mark_authenticated)(void *ctx, const u8 *target_ap);
+#ifdef CONFIG_TDLS
+	int (*send_tdls_mgmt)(void *ctx, const u8 *dst,
+			      u8 action_code, u8 dialog_token,
+			      u16 status_code, const u8 *buf, size_t len);
+	int (*tdls_oper)(void *ctx, int oper, const u8 *peer);
+#endif /* CONFIG_TDLS */
+};
+
+
+enum wpa_sm_conf_params {
+	RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */,
+	RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */,
+	RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */,
+	WPA_PARAM_PROTO,
+	WPA_PARAM_PAIRWISE,
+	WPA_PARAM_GROUP,
+	WPA_PARAM_KEY_MGMT,
+	WPA_PARAM_MGMT_GROUP,
+	WPA_PARAM_RSN_ENABLED,
+	WPA_PARAM_MFP
+};
+
+struct rsn_supp_config {
+	void *network_ctx;
+	int peerkey_enabled;
+	int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */
+	int proactive_key_caching;
+	int eap_workaround;
+	void *eap_conf_ctx;
+	const u8 *ssid;
+	size_t ssid_len;
+	int wpa_ptk_rekey;
+};
+
+#ifndef CONFIG_NO_WPA
+
+struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx);
+void wpa_sm_deinit(struct wpa_sm *sm);
+void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid);
+void wpa_sm_notify_disassoc(struct wpa_sm *sm);
+void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len);
+void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm);
+void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth);
+void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx);
+void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config);
+void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr);
+void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
+		       const char *bridge_ifname);
+void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol);
+int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
+int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie,
+				    size_t *wpa_ie_len);
+int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
+int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
+int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen);
+
+int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param,
+		     unsigned int value);
+unsigned int wpa_sm_get_param(struct wpa_sm *sm,
+			      enum wpa_sm_conf_params param);
+
+int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen,
+		      int verbose);
+
+void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise);
+
+int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
+		     struct wpa_ie_data *data);
+
+void wpa_sm_aborted_cached(struct wpa_sm *sm);
+int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
+		    const u8 *buf, size_t len);
+int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data);
+int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len);
+void wpa_sm_drop_sa(struct wpa_sm *sm);
+int wpa_sm_has_ptk(struct wpa_sm *sm);
+
+#else /* CONFIG_NO_WPA */
+
+static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx)
+{
+	return (struct wpa_sm *) 1;
+}
+
+static inline void wpa_sm_deinit(struct wpa_sm *sm)
+{
+}
+
+static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid)
+{
+}
+
+static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm)
+{
+}
+
+static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk,
+				  size_t pmk_len)
+{
+}
+
+static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm)
+{
+}
+
+static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth)
+{
+}
+
+static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx)
+{
+}
+
+static inline void wpa_sm_set_config(struct wpa_sm *sm,
+				     struct rsn_supp_config *config)
+{
+}
+
+static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr)
+{
+}
+
+static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
+				     const char *bridge_ifname)
+{
+}
+
+static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol)
+{
+}
+
+static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie,
+					  size_t len)
+{
+	return -1;
+}
+
+static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm,
+						  u8 *wpa_ie,
+						  size_t *wpa_ie_len)
+{
+	return -1;
+}
+
+static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie,
+				       size_t len)
+{
+	return -1;
+}
+
+static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie,
+				       size_t len)
+{
+	return -1;
+}
+
+static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen)
+{
+	return 0;
+}
+
+static inline int wpa_sm_set_param(struct wpa_sm *sm,
+				   enum wpa_sm_conf_params param,
+				   unsigned int value)
+{
+	return -1;
+}
+
+static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm,
+					    enum wpa_sm_conf_params param)
+{
+	return 0;
+}
+
+static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf,
+				    size_t buflen, int verbose)
+{
+	return 0;
+}
+
+static inline void wpa_sm_key_request(struct wpa_sm *sm, int error,
+				      int pairwise)
+{
+}
+
+static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
+				   struct wpa_ie_data *data)
+{
+	return -1;
+}
+
+static inline void wpa_sm_aborted_cached(struct wpa_sm *sm)
+{
+}
+
+static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
+				  const u8 *buf, size_t len)
+{
+	return -1;
+}
+
+static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm,
+					  struct wpa_ie_data *data)
+{
+	return -1;
+}
+
+static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf,
+					  size_t len)
+{
+	return -1;
+}
+
+static inline void wpa_sm_drop_sa(struct wpa_sm *sm)
+{
+}
+
+static inline int wpa_sm_has_ptk(struct wpa_sm *sm)
+{
+	return 0;
+}
+
+#endif /* CONFIG_NO_WPA */
+
+#ifdef CONFIG_PEERKEY
+int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer);
+#else /* CONFIG_PEERKEY */
+static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer)
+{
+	return -1;
+}
+#endif /* CONFIG_PEERKEY */
+
+#ifdef CONFIG_IEEE80211R
+
+int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len);
+int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie);
+int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
+			    int ft_action, const u8 *target_ap,
+			    const u8 *ric_ies, size_t ric_ies_len);
+int wpa_ft_is_completed(struct wpa_sm *sm);
+int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies,
+				 size_t ies_len, const u8 *src_addr);
+int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap,
+			 const u8 *mdie);
+
+#else /* CONFIG_IEEE80211R */
+
+static inline int
+wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len)
+{
+	return 0;
+}
+
+static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm,
+					      const u8 *mdie)
+{
+	return 0;
+}
+
+static inline int
+wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
+			int ft_action, const u8 *target_ap)
+{
+	return 0;
+}
+
+static inline int wpa_ft_is_completed(struct wpa_sm *sm)
+{
+	return 0;
+}
+
+static inline int
+wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
+			     const u8 *src_addr)
+{
+	return -1;
+}
+
+#endif /* CONFIG_IEEE80211R */
+
+
+/* tdls.c */
+void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len);
+void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len);
+int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr);
+int wpa_tdls_reneg(struct wpa_sm *sm, const u8 *addr);
+int wpa_tdls_recv_teardown_notify(struct wpa_sm *sm, const u8 *addr,
+				  u16 reason_code);
+int wpa_tdls_init(struct wpa_sm *sm);
+void wpa_tdls_deinit(struct wpa_sm *sm);
+void wpa_tdls_enable(struct wpa_sm *sm, int enabled);
+
+#endif /* WPA_H */
diff --git a/src/rsn_supp/wpa_ft.c b/src/rsn_supp/wpa_ft.c
new file mode 100644
index 0000000..da6e966
--- /dev/null
+++ b/src/rsn_supp/wpa_ft.c
@@ -0,0 +1,1039 @@
+/*
+ * WPA Supplicant - IEEE 802.11r - Fast BSS Transition
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/aes_wrap.h"
+#include "crypto/random.h"
+#include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
+#include "wpa.h"
+#include "wpa_i.h"
+#include "wpa_ie.h"
+
+#ifdef CONFIG_IEEE80211R
+
+struct wpa_ft_ies {
+	const u8 *mdie;
+	size_t mdie_len;
+	const u8 *ftie;
+	size_t ftie_len;
+	const u8 *r1kh_id;
+	const u8 *gtk;
+	size_t gtk_len;
+	const u8 *r0kh_id;
+	size_t r0kh_id_len;
+	const u8 *rsn;
+	size_t rsn_len;
+	const u8 *rsn_pmkid;
+	const u8 *tie;
+	size_t tie_len;
+	const u8 *igtk;
+	size_t igtk_len;
+	const u8 *ric;
+	size_t ric_len;
+};
+
+static int wpa_ft_parse_ies(const u8 *ies, size_t ies_len,
+			    struct wpa_ft_ies *parse);
+
+
+int wpa_derive_ptk_ft(struct wpa_sm *sm, const unsigned char *src_addr,
+		      const struct wpa_eapol_key *key,
+		      struct wpa_ptk *ptk, size_t ptk_len)
+{
+	u8 ptk_name[WPA_PMK_NAME_LEN];
+	const u8 *anonce = key->key_nonce;
+
+	if (sm->xxkey_len == 0) {
+		wpa_printf(MSG_DEBUG, "FT: XXKey not available for key "
+			   "derivation");
+		return -1;
+	}
+
+	wpa_derive_pmk_r0(sm->xxkey, sm->xxkey_len, sm->ssid,
+			  sm->ssid_len, sm->mobility_domain,
+			  sm->r0kh_id, sm->r0kh_id_len, sm->own_addr,
+			  sm->pmk_r0, sm->pmk_r0_name);
+	wpa_hexdump_key(MSG_DEBUG, "FT: PMK-R0", sm->pmk_r0, PMK_LEN);
+	wpa_hexdump(MSG_DEBUG, "FT: PMKR0Name",
+		    sm->pmk_r0_name, WPA_PMK_NAME_LEN);
+	wpa_derive_pmk_r1(sm->pmk_r0, sm->pmk_r0_name, sm->r1kh_id,
+			  sm->own_addr, sm->pmk_r1, sm->pmk_r1_name);
+	wpa_hexdump_key(MSG_DEBUG, "FT: PMK-R1", sm->pmk_r1, PMK_LEN);
+	wpa_hexdump(MSG_DEBUG, "FT: PMKR1Name", sm->pmk_r1_name,
+		    WPA_PMK_NAME_LEN);
+	wpa_pmk_r1_to_ptk(sm->pmk_r1, sm->snonce, anonce, sm->own_addr,
+			  sm->bssid, sm->pmk_r1_name,
+			  (u8 *) ptk, ptk_len, ptk_name);
+	wpa_hexdump_key(MSG_DEBUG, "FT: PTK", (u8 *) ptk, ptk_len);
+	wpa_hexdump(MSG_DEBUG, "FT: PTKName", ptk_name, WPA_PMK_NAME_LEN);
+
+	return 0;
+}
+
+
+/**
+ * wpa_sm_set_ft_params - Set FT (IEEE 802.11r) parameters
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @ies: Association Response IEs or %NULL to clear FT parameters
+ * @ies_len: Length of ies buffer in octets
+ * Returns: 0 on success, -1 on failure
+ */
+int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len)
+{
+	struct wpa_ft_ies ft;
+
+	if (sm == NULL)
+		return 0;
+
+	if (wpa_ft_parse_ies(ies, ies_len, &ft) < 0)
+		return -1;
+
+	if (ft.mdie && ft.mdie_len < MOBILITY_DOMAIN_ID_LEN + 1)
+		return -1;
+
+	if (ft.mdie) {
+		wpa_hexdump(MSG_DEBUG, "FT: Mobility domain",
+			    ft.mdie, MOBILITY_DOMAIN_ID_LEN);
+		os_memcpy(sm->mobility_domain, ft.mdie,
+			  MOBILITY_DOMAIN_ID_LEN);
+		sm->mdie_ft_capab = ft.mdie[MOBILITY_DOMAIN_ID_LEN];
+		wpa_printf(MSG_DEBUG, "FT: Capability and Policy: 0x%02x",
+			   sm->mdie_ft_capab);
+	} else
+		os_memset(sm->mobility_domain, 0, MOBILITY_DOMAIN_ID_LEN);
+
+	if (ft.r0kh_id) {
+		wpa_hexdump(MSG_DEBUG, "FT: R0KH-ID",
+			    ft.r0kh_id, ft.r0kh_id_len);
+		os_memcpy(sm->r0kh_id, ft.r0kh_id, ft.r0kh_id_len);
+		sm->r0kh_id_len = ft.r0kh_id_len;
+	} else {
+		/* FIX: When should R0KH-ID be cleared? We need to keep the
+		 * old R0KH-ID in order to be able to use this during FT. */
+		/*
+		 * os_memset(sm->r0kh_id, 0, FT_R0KH_ID_LEN);
+		 * sm->r0kh_id_len = 0;
+		 */
+	}
+
+	if (ft.r1kh_id) {
+		wpa_hexdump(MSG_DEBUG, "FT: R1KH-ID",
+			    ft.r1kh_id, FT_R1KH_ID_LEN);
+		os_memcpy(sm->r1kh_id, ft.r1kh_id, FT_R1KH_ID_LEN);
+	} else
+		os_memset(sm->r1kh_id, 0, FT_R1KH_ID_LEN);
+
+	os_free(sm->assoc_resp_ies);
+	sm->assoc_resp_ies = os_malloc(ft.mdie_len + 2 + ft.ftie_len + 2);
+	if (sm->assoc_resp_ies) {
+		u8 *pos = sm->assoc_resp_ies;
+		if (ft.mdie) {
+			os_memcpy(pos, ft.mdie - 2, ft.mdie_len + 2);
+			pos += ft.mdie_len + 2;
+		}
+		if (ft.ftie) {
+			os_memcpy(pos, ft.ftie - 2, ft.ftie_len + 2);
+			pos += ft.ftie_len + 2;
+		}
+		sm->assoc_resp_ies_len = pos - sm->assoc_resp_ies;
+		wpa_hexdump(MSG_DEBUG, "FT: Stored MDIE and FTIE from "
+			    "(Re)Association Response",
+			    sm->assoc_resp_ies, sm->assoc_resp_ies_len);
+	}
+
+	return 0;
+}
+
+
+/**
+ * wpa_ft_gen_req_ies - Generate FT (IEEE 802.11r) IEs for Auth/ReAssoc Request
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @len: Buffer for returning the length of the IEs
+ * @anonce: ANonce or %NULL if not yet available
+ * @pmk_name: PMKR0Name or PMKR1Name to be added into the RSN IE PMKID List
+ * @kck: 128-bit KCK for MIC or %NULL if no MIC is used
+ * @target_ap: Target AP address
+ * @ric_ies: Optional IE(s), e.g., WMM TSPEC(s), for RIC-Request or %NULL
+ * @ric_ies_len: Length of ric_ies buffer in octets
+ * @ap_mdie: Mobility Domain IE from the target AP
+ * Returns: Pointer to buffer with IEs or %NULL on failure
+ *
+ * Caller is responsible for freeing the returned buffer with os_free();
+ */
+static u8 * wpa_ft_gen_req_ies(struct wpa_sm *sm, size_t *len,
+			       const u8 *anonce, const u8 *pmk_name,
+			       const u8 *kck, const u8 *target_ap,
+			       const u8 *ric_ies, size_t ric_ies_len,
+			       const u8 *ap_mdie)
+{
+	size_t buf_len;
+	u8 *buf, *pos, *ftie_len, *ftie_pos;
+	struct rsn_mdie *mdie;
+	struct rsn_ftie *ftie;
+	struct rsn_ie_hdr *rsnie;
+	u16 capab;
+
+	sm->ft_completed = 0;
+
+	buf_len = 2 + sizeof(struct rsn_mdie) + 2 + sizeof(struct rsn_ftie) +
+		2 + sm->r0kh_id_len + ric_ies_len + 100;
+	buf = os_zalloc(buf_len);
+	if (buf == NULL)
+		return NULL;
+	pos = buf;
+
+	/* RSNIE[PMKR0Name/PMKR1Name] */
+	rsnie = (struct rsn_ie_hdr *) pos;
+	rsnie->elem_id = WLAN_EID_RSN;
+	WPA_PUT_LE16(rsnie->version, RSN_VERSION);
+	pos = (u8 *) (rsnie + 1);
+
+	/* Group Suite Selector */
+	if (sm->group_cipher == WPA_CIPHER_CCMP)
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_CCMP);
+	else if (sm->group_cipher == WPA_CIPHER_TKIP)
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_TKIP);
+	else {
+		wpa_printf(MSG_WARNING, "FT: Invalid group cipher (%d)",
+			   sm->group_cipher);
+		os_free(buf);
+		return NULL;
+	}
+	pos += RSN_SELECTOR_LEN;
+
+	/* Pairwise Suite Count */
+	WPA_PUT_LE16(pos, 1);
+	pos += 2;
+
+	/* Pairwise Suite List */
+	if (sm->pairwise_cipher == WPA_CIPHER_CCMP)
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_CCMP);
+	else if (sm->pairwise_cipher == WPA_CIPHER_TKIP)
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_TKIP);
+	else {
+		wpa_printf(MSG_WARNING, "FT: Invalid pairwise cipher (%d)",
+			   sm->pairwise_cipher);
+		os_free(buf);
+		return NULL;
+	}
+	pos += RSN_SELECTOR_LEN;
+
+	/* Authenticated Key Management Suite Count */
+	WPA_PUT_LE16(pos, 1);
+	pos += 2;
+
+	/* Authenticated Key Management Suite List */
+	if (sm->key_mgmt == WPA_KEY_MGMT_FT_IEEE8021X)
+		RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_802_1X);
+	else if (sm->key_mgmt == WPA_KEY_MGMT_FT_PSK)
+		RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_PSK);
+	else {
+		wpa_printf(MSG_WARNING, "FT: Invalid key management type (%d)",
+			   sm->key_mgmt);
+		os_free(buf);
+		return NULL;
+	}
+	pos += RSN_SELECTOR_LEN;
+
+	/* RSN Capabilities */
+	capab = 0;
+#ifdef CONFIG_IEEE80211W
+	if (sm->mgmt_group_cipher == WPA_CIPHER_AES_128_CMAC)
+		capab |= WPA_CAPABILITY_MFPC;
+#endif /* CONFIG_IEEE80211W */
+	WPA_PUT_LE16(pos, capab);
+	pos += 2;
+
+	/* PMKID Count */
+	WPA_PUT_LE16(pos, 1);
+	pos += 2;
+
+	/* PMKID List [PMKR0Name/PMKR1Name] */
+	os_memcpy(pos, pmk_name, WPA_PMK_NAME_LEN);
+	pos += WPA_PMK_NAME_LEN;
+
+#ifdef CONFIG_IEEE80211W
+	if (sm->mgmt_group_cipher == WPA_CIPHER_AES_128_CMAC) {
+		/* Management Group Cipher Suite */
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_AES_128_CMAC);
+		pos += RSN_SELECTOR_LEN;
+	}
+#endif /* CONFIG_IEEE80211W */
+
+	rsnie->len = (pos - (u8 *) rsnie) - 2;
+
+	/* MDIE */
+	*pos++ = WLAN_EID_MOBILITY_DOMAIN;
+	*pos++ = sizeof(*mdie);
+	mdie = (struct rsn_mdie *) pos;
+	pos += sizeof(*mdie);
+	os_memcpy(mdie->mobility_domain, sm->mobility_domain,
+		  MOBILITY_DOMAIN_ID_LEN);
+	mdie->ft_capab = ap_mdie && ap_mdie[1] >= 3 ? ap_mdie[4] :
+		sm->mdie_ft_capab;
+
+	/* FTIE[SNonce, [R1KH-ID,] R0KH-ID ] */
+	ftie_pos = pos;
+	*pos++ = WLAN_EID_FAST_BSS_TRANSITION;
+	ftie_len = pos++;
+	ftie = (struct rsn_ftie *) pos;
+	pos += sizeof(*ftie);
+	os_memcpy(ftie->snonce, sm->snonce, WPA_NONCE_LEN);
+	if (anonce)
+		os_memcpy(ftie->anonce, anonce, WPA_NONCE_LEN);
+	if (kck) {
+		/* R1KH-ID sub-element in third FT message */
+		*pos++ = FTIE_SUBELEM_R1KH_ID;
+		*pos++ = FT_R1KH_ID_LEN;
+		os_memcpy(pos, sm->r1kh_id, FT_R1KH_ID_LEN);
+		pos += FT_R1KH_ID_LEN;
+	}
+	/* R0KH-ID sub-element */
+	*pos++ = FTIE_SUBELEM_R0KH_ID;
+	*pos++ = sm->r0kh_id_len;
+	os_memcpy(pos, sm->r0kh_id, sm->r0kh_id_len);
+	pos += sm->r0kh_id_len;
+	*ftie_len = pos - ftie_len - 1;
+
+	if (ric_ies) {
+		/* RIC Request */
+		os_memcpy(pos, ric_ies, ric_ies_len);
+		pos += ric_ies_len;
+	}
+
+	if (kck) {
+		/*
+		 * IEEE Std 802.11r-2008, 11A.8.4
+		 * MIC shall be calculated over:
+		 * non-AP STA MAC address
+		 * Target AP MAC address
+		 * Transaction seq number (5 for ReassocReq, 3 otherwise)
+		 * RSN IE
+		 * MDIE
+		 * FTIE (with MIC field set to 0)
+		 * RIC-Request (if present)
+		 */
+		/* Information element count */
+		ftie->mic_control[1] = 3 + ieee802_11_ie_count(ric_ies,
+							       ric_ies_len);
+		if (wpa_ft_mic(kck, sm->own_addr, target_ap, 5,
+			       ((u8 *) mdie) - 2, 2 + sizeof(*mdie),
+			       ftie_pos, 2 + *ftie_len,
+			       (u8 *) rsnie, 2 + rsnie->len, ric_ies,
+			       ric_ies_len, ftie->mic) < 0) {
+			wpa_printf(MSG_INFO, "FT: Failed to calculate MIC");
+			os_free(buf);
+			return NULL;
+		}
+	}
+
+	*len = pos - buf;
+
+	return buf;
+}
+
+
+static int wpa_ft_parse_ftie(const u8 *ie, size_t ie_len,
+			     struct wpa_ft_ies *parse)
+{
+	const u8 *end, *pos;
+
+	parse->ftie = ie;
+	parse->ftie_len = ie_len;
+
+	pos = ie + sizeof(struct rsn_ftie);
+	end = ie + ie_len;
+
+	while (pos + 2 <= end && pos + 2 + pos[1] <= end) {
+		switch (pos[0]) {
+		case FTIE_SUBELEM_R1KH_ID:
+			if (pos[1] != FT_R1KH_ID_LEN) {
+				wpa_printf(MSG_DEBUG, "FT: Invalid R1KH-ID "
+					   "length in FTIE: %d", pos[1]);
+				return -1;
+			}
+			parse->r1kh_id = pos + 2;
+			break;
+		case FTIE_SUBELEM_GTK:
+			parse->gtk = pos + 2;
+			parse->gtk_len = pos[1];
+			break;
+		case FTIE_SUBELEM_R0KH_ID:
+			if (pos[1] < 1 || pos[1] > FT_R0KH_ID_MAX_LEN) {
+				wpa_printf(MSG_DEBUG, "FT: Invalid R0KH-ID "
+					   "length in FTIE: %d", pos[1]);
+				return -1;
+			}
+			parse->r0kh_id = pos + 2;
+			parse->r0kh_id_len = pos[1];
+			break;
+#ifdef CONFIG_IEEE80211W
+		case FTIE_SUBELEM_IGTK:
+			parse->igtk = pos + 2;
+			parse->igtk_len = pos[1];
+			break;
+#endif /* CONFIG_IEEE80211W */
+		}
+
+		pos += 2 + pos[1];
+	}
+
+	return 0;
+}
+
+
+static int wpa_ft_parse_ies(const u8 *ies, size_t ies_len,
+			    struct wpa_ft_ies *parse)
+{
+	const u8 *end, *pos;
+	struct wpa_ie_data data;
+	int ret;
+	const struct rsn_ftie *ftie;
+	int prot_ie_count = 0;
+
+	os_memset(parse, 0, sizeof(*parse));
+	if (ies == NULL)
+		return 0;
+
+	pos = ies;
+	end = ies + ies_len;
+	while (pos + 2 <= end && pos + 2 + pos[1] <= end) {
+		switch (pos[0]) {
+		case WLAN_EID_RSN:
+			parse->rsn = pos + 2;
+			parse->rsn_len = pos[1];
+			ret = wpa_parse_wpa_ie_rsn(parse->rsn - 2,
+						   parse->rsn_len + 2,
+						   &data);
+			if (ret < 0) {
+				wpa_printf(MSG_DEBUG, "FT: Failed to parse "
+					   "RSN IE: %d", ret);
+				return -1;
+			}
+			if (data.num_pmkid == 1 && data.pmkid)
+				parse->rsn_pmkid = data.pmkid;
+			break;
+		case WLAN_EID_MOBILITY_DOMAIN:
+			parse->mdie = pos + 2;
+			parse->mdie_len = pos[1];
+			break;
+		case WLAN_EID_FAST_BSS_TRANSITION:
+			if (pos[1] < sizeof(*ftie))
+				return -1;
+			ftie = (const struct rsn_ftie *) (pos + 2);
+			prot_ie_count = ftie->mic_control[1];
+			if (wpa_ft_parse_ftie(pos + 2, pos[1], parse) < 0)
+				return -1;
+			break;
+		case WLAN_EID_TIMEOUT_INTERVAL:
+			parse->tie = pos + 2;
+			parse->tie_len = pos[1];
+			break;
+		case WLAN_EID_RIC_DATA:
+			if (parse->ric == NULL)
+				parse->ric = pos;
+		}
+
+		pos += 2 + pos[1];
+	}
+
+	if (prot_ie_count == 0)
+		return 0; /* no MIC */
+
+	/*
+	 * Check that the protected IE count matches with IEs included in the
+	 * frame.
+	 */
+	if (parse->rsn)
+		prot_ie_count--;
+	if (parse->mdie)
+		prot_ie_count--;
+	if (parse->ftie)
+		prot_ie_count--;
+	if (parse->tie)
+		prot_ie_count--;
+	if (prot_ie_count < 0) {
+		wpa_printf(MSG_DEBUG, "FT: Some required IEs not included in "
+			   "the protected IE count");
+		return -1;
+	}
+
+	if (prot_ie_count == 0 && parse->ric) {
+		wpa_printf(MSG_DEBUG, "FT: RIC IE(s) in the frame, but not "
+			   "included in protected IE count");
+		return -1;
+	}
+
+	/* Determine the end of the RIC IE(s) */
+	pos = parse->ric;
+	while (pos && pos + 2 <= end && pos + 2 + pos[1] <= end &&
+	       prot_ie_count) {
+		prot_ie_count--;
+		pos += 2 + pos[1];
+	}
+	parse->ric_len = pos - parse->ric;
+	if (prot_ie_count) {
+		wpa_printf(MSG_DEBUG, "FT: %d protected IEs missing from "
+			   "frame", (int) prot_ie_count);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int wpa_ft_install_ptk(struct wpa_sm *sm, const u8 *bssid)
+{
+	int keylen;
+	enum wpa_alg alg;
+	u8 null_rsc[6] = { 0, 0, 0, 0, 0, 0 };
+
+	wpa_printf(MSG_DEBUG, "FT: Installing PTK to the driver.");
+
+	switch (sm->pairwise_cipher) {
+	case WPA_CIPHER_CCMP:
+		alg = WPA_ALG_CCMP;
+		keylen = 16;
+		break;
+	case WPA_CIPHER_TKIP:
+		alg = WPA_ALG_TKIP;
+		keylen = 32;
+		break;
+	default:
+		wpa_printf(MSG_WARNING, "FT: Unsupported pairwise cipher %d",
+			   sm->pairwise_cipher);
+		return -1;
+	}
+
+	if (wpa_sm_set_key(sm, alg, bssid, 0, 1, null_rsc,
+			   sizeof(null_rsc), (u8 *) sm->ptk.tk1, keylen) < 0) {
+		wpa_printf(MSG_WARNING, "FT: Failed to set PTK to the driver");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+/**
+ * wpa_ft_prepare_auth_request - Generate over-the-air auth request
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @mdie: Target AP MDIE
+ * Returns: 0 on success, -1 on failure
+ */
+int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie)
+{
+	u8 *ft_ies;
+	size_t ft_ies_len;
+
+	/* Generate a new SNonce */
+	if (random_get_bytes(sm->snonce, WPA_NONCE_LEN)) {
+		wpa_printf(MSG_INFO, "FT: Failed to generate a new SNonce");
+		return -1;
+	}
+
+	ft_ies = wpa_ft_gen_req_ies(sm, &ft_ies_len, NULL, sm->pmk_r0_name,
+				    NULL, sm->bssid, NULL, 0, mdie);
+	if (ft_ies) {
+		wpa_sm_update_ft_ies(sm, sm->mobility_domain,
+				     ft_ies, ft_ies_len);
+		os_free(ft_ies);
+	}
+
+	return 0;
+}
+
+
+int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
+			    int ft_action, const u8 *target_ap,
+			    const u8 *ric_ies, size_t ric_ies_len)
+{
+	u8 *ft_ies;
+	size_t ft_ies_len, ptk_len;
+	struct wpa_ft_ies parse;
+	struct rsn_mdie *mdie;
+	struct rsn_ftie *ftie;
+	u8 ptk_name[WPA_PMK_NAME_LEN];
+	int ret;
+	const u8 *bssid;
+
+	wpa_hexdump(MSG_DEBUG, "FT: Response IEs", ies, ies_len);
+	wpa_hexdump(MSG_DEBUG, "FT: RIC IEs", ric_ies, ric_ies_len);
+
+	if (ft_action) {
+		if (!sm->over_the_ds_in_progress) {
+			wpa_printf(MSG_DEBUG, "FT: No over-the-DS in progress "
+				   "- drop FT Action Response");
+			return -1;
+		}
+
+		if (os_memcmp(target_ap, sm->target_ap, ETH_ALEN) != 0) {
+			wpa_printf(MSG_DEBUG, "FT: No over-the-DS in progress "
+				   "with this Target AP - drop FT Action "
+				   "Response");
+			return -1;
+		}
+	}
+
+	if (sm->key_mgmt != WPA_KEY_MGMT_FT_IEEE8021X &&
+	    sm->key_mgmt != WPA_KEY_MGMT_FT_PSK) {
+		wpa_printf(MSG_DEBUG, "FT: Reject FT IEs since FT is not "
+			   "enabled for this connection");
+		return -1;
+	}
+
+	if (wpa_ft_parse_ies(ies, ies_len, &parse) < 0) {
+		wpa_printf(MSG_DEBUG, "FT: Failed to parse IEs");
+		return -1;
+	}
+
+	mdie = (struct rsn_mdie *) parse.mdie;
+	if (mdie == NULL || parse.mdie_len < sizeof(*mdie) ||
+	    os_memcmp(mdie->mobility_domain, sm->mobility_domain,
+		      MOBILITY_DOMAIN_ID_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "FT: Invalid MDIE");
+		return -1;
+	}
+
+	ftie = (struct rsn_ftie *) parse.ftie;
+	if (ftie == NULL || parse.ftie_len < sizeof(*ftie)) {
+		wpa_printf(MSG_DEBUG, "FT: Invalid FTIE");
+		return -1;
+	}
+
+	if (os_memcmp(ftie->snonce, sm->snonce, WPA_NONCE_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "FT: SNonce mismatch in FTIE");
+		wpa_hexdump(MSG_DEBUG, "FT: Received SNonce",
+			    ftie->snonce, WPA_NONCE_LEN);
+		wpa_hexdump(MSG_DEBUG, "FT: Expected SNonce",
+			    sm->snonce, WPA_NONCE_LEN);
+		return -1;
+	}
+
+	if (parse.r0kh_id == NULL) {
+		wpa_printf(MSG_DEBUG, "FT: No R0KH-ID subelem in FTIE");
+		return -1;
+	}
+
+	if (parse.r0kh_id_len != sm->r0kh_id_len ||
+	    os_memcmp(parse.r0kh_id, sm->r0kh_id, parse.r0kh_id_len) != 0) {
+		wpa_printf(MSG_DEBUG, "FT: R0KH-ID in FTIE did not match with "
+			   "the current R0KH-ID");
+		wpa_hexdump(MSG_DEBUG, "FT: R0KH-ID in FTIE",
+			    parse.r0kh_id, parse.r0kh_id_len);
+		wpa_hexdump(MSG_DEBUG, "FT: The current R0KH-ID",
+			    sm->r0kh_id, sm->r0kh_id_len);
+		return -1;
+	}
+
+	if (parse.r1kh_id == NULL) {
+		wpa_printf(MSG_DEBUG, "FT: No R1KH-ID subelem in FTIE");
+		return -1;
+	}
+
+	if (parse.rsn_pmkid == NULL ||
+	    os_memcmp(parse.rsn_pmkid, sm->pmk_r0_name, WPA_PMK_NAME_LEN)) {
+		wpa_printf(MSG_DEBUG, "FT: No matching PMKR0Name (PMKID) in "
+			   "RSNIE");
+		return -1;
+	}
+
+	os_memcpy(sm->r1kh_id, parse.r1kh_id, FT_R1KH_ID_LEN);
+	wpa_hexdump(MSG_DEBUG, "FT: R1KH-ID", sm->r1kh_id, FT_R1KH_ID_LEN);
+	wpa_hexdump(MSG_DEBUG, "FT: SNonce", sm->snonce, WPA_NONCE_LEN);
+	wpa_hexdump(MSG_DEBUG, "FT: ANonce", ftie->anonce, WPA_NONCE_LEN);
+	os_memcpy(sm->anonce, ftie->anonce, WPA_NONCE_LEN);
+	wpa_derive_pmk_r1(sm->pmk_r0, sm->pmk_r0_name, sm->r1kh_id,
+			  sm->own_addr, sm->pmk_r1, sm->pmk_r1_name);
+	wpa_hexdump_key(MSG_DEBUG, "FT: PMK-R1", sm->pmk_r1, PMK_LEN);
+	wpa_hexdump(MSG_DEBUG, "FT: PMKR1Name",
+		    sm->pmk_r1_name, WPA_PMK_NAME_LEN);
+
+	bssid = target_ap;
+	ptk_len = sm->pairwise_cipher == WPA_CIPHER_CCMP ? 48 : 64;
+	wpa_pmk_r1_to_ptk(sm->pmk_r1, sm->snonce, ftie->anonce, sm->own_addr,
+			  bssid, sm->pmk_r1_name,
+			  (u8 *) &sm->ptk, ptk_len, ptk_name);
+	wpa_hexdump_key(MSG_DEBUG, "FT: PTK",
+			(u8 *) &sm->ptk, ptk_len);
+	wpa_hexdump(MSG_DEBUG, "FT: PTKName", ptk_name, WPA_PMK_NAME_LEN);
+
+	ft_ies = wpa_ft_gen_req_ies(sm, &ft_ies_len, ftie->anonce,
+				    sm->pmk_r1_name, sm->ptk.kck, bssid,
+				    ric_ies, ric_ies_len,
+				    parse.mdie ? parse.mdie - 2 : NULL);
+	if (ft_ies) {
+		wpa_sm_update_ft_ies(sm, sm->mobility_domain,
+				     ft_ies, ft_ies_len);
+		os_free(ft_ies);
+	}
+
+	wpa_sm_mark_authenticated(sm, bssid);
+	ret = wpa_ft_install_ptk(sm, bssid);
+	if (ret) {
+		/*
+		 * Some drivers do not support key configuration when we are
+		 * not associated with the target AP. Work around this by
+		 * trying again after the following reassociation gets
+		 * completed.
+		 */
+		wpa_printf(MSG_DEBUG, "FT: Failed to set PTK prior to "
+			   "association - try again after reassociation");
+		sm->set_ptk_after_assoc = 1;
+	} else
+		sm->set_ptk_after_assoc = 0;
+
+	sm->ft_completed = 1;
+	if (ft_action) {
+		/*
+		 * The caller is expected trigger re-association with the
+		 * Target AP.
+		 */
+		os_memcpy(sm->bssid, target_ap, ETH_ALEN);
+	}
+
+	return 0;
+}
+
+
+int wpa_ft_is_completed(struct wpa_sm *sm)
+{
+	if (sm == NULL)
+		return 0;
+
+	if (sm->key_mgmt != WPA_KEY_MGMT_FT_IEEE8021X &&
+	    sm->key_mgmt != WPA_KEY_MGMT_FT_PSK)
+		return 0;
+
+	return sm->ft_completed;
+}
+
+
+static int wpa_ft_process_gtk_subelem(struct wpa_sm *sm, const u8 *gtk_elem,
+				      size_t gtk_elem_len)
+{
+	u8 gtk[32];
+	int keyidx;
+	enum wpa_alg alg;
+	size_t gtk_len, keylen, rsc_len;
+
+	if (gtk_elem == NULL) {
+		wpa_printf(MSG_DEBUG, "FT: No GTK included in FTIE");
+		return 0;
+	}
+
+	wpa_hexdump_key(MSG_DEBUG, "FT: Received GTK in Reassoc Resp",
+			gtk_elem, gtk_elem_len);
+
+	if (gtk_elem_len < 11 + 24 || (gtk_elem_len - 11) % 8 ||
+	    gtk_elem_len - 19 > sizeof(gtk)) {
+		wpa_printf(MSG_DEBUG, "FT: Invalid GTK sub-elem "
+			   "length %lu", (unsigned long) gtk_elem_len);
+		return -1;
+	}
+	gtk_len = gtk_elem_len - 19;
+	if (aes_unwrap(sm->ptk.kek, gtk_len / 8, gtk_elem + 11, gtk)) {
+		wpa_printf(MSG_WARNING, "FT: AES unwrap failed - could not "
+			   "decrypt GTK");
+		return -1;
+	}
+
+	switch (sm->group_cipher) {
+	case WPA_CIPHER_CCMP:
+		keylen = 16;
+		rsc_len = 6;
+		alg = WPA_ALG_CCMP;
+		break;
+	case WPA_CIPHER_TKIP:
+		keylen = 32;
+		rsc_len = 6;
+		alg = WPA_ALG_TKIP;
+		break;
+	case WPA_CIPHER_WEP104:
+		keylen = 13;
+		rsc_len = 0;
+		alg = WPA_ALG_WEP;
+		break;
+	case WPA_CIPHER_WEP40:
+		keylen = 5;
+		rsc_len = 0;
+		alg = WPA_ALG_WEP;
+		break;
+	default:
+		wpa_printf(MSG_WARNING, "WPA: Unsupported Group Cipher %d",
+			   sm->group_cipher);
+		return -1;
+	}
+
+	if (gtk_len < keylen) {
+		wpa_printf(MSG_DEBUG, "FT: Too short GTK in FTIE");
+		return -1;
+	}
+
+	/* Key Info[2] | Key Length[1] | RSC[8] | Key[5..32]. */
+
+	keyidx = WPA_GET_LE16(gtk_elem) & 0x03;
+
+	if (gtk_elem[2] != keylen) {
+		wpa_printf(MSG_DEBUG, "FT: GTK length mismatch: received %d "
+			   "negotiated %lu",
+			   gtk_elem[2], (unsigned long) keylen);
+		return -1;
+	}
+
+	wpa_hexdump_key(MSG_DEBUG, "FT: GTK from Reassoc Resp", gtk, keylen);
+	if (wpa_sm_set_key(sm, alg, broadcast_ether_addr, keyidx, 0,
+			   gtk_elem + 3, rsc_len, gtk, keylen) < 0) {
+		wpa_printf(MSG_WARNING, "WPA: Failed to set GTK to the "
+			   "driver.");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+#ifdef CONFIG_IEEE80211W
+static int wpa_ft_process_igtk_subelem(struct wpa_sm *sm, const u8 *igtk_elem,
+				       size_t igtk_elem_len)
+{
+	u8 igtk[WPA_IGTK_LEN];
+	u16 keyidx;
+
+	if (sm->mgmt_group_cipher != WPA_CIPHER_AES_128_CMAC)
+		return 0;
+
+	if (igtk_elem == NULL) {
+		wpa_printf(MSG_DEBUG, "FT: No IGTK included in FTIE");
+		return 0;
+	}
+
+	wpa_hexdump_key(MSG_DEBUG, "FT: Received IGTK in Reassoc Resp",
+			igtk_elem, igtk_elem_len);
+
+	if (igtk_elem_len != 2 + 6 + 1 + WPA_IGTK_LEN + 8) {
+		wpa_printf(MSG_DEBUG, "FT: Invalid IGTK sub-elem "
+			   "length %lu", (unsigned long) igtk_elem_len);
+		return -1;
+	}
+	if (igtk_elem[8] != WPA_IGTK_LEN) {
+		wpa_printf(MSG_DEBUG, "FT: Invalid IGTK sub-elem Key Length "
+			   "%d", igtk_elem[8]);
+		return -1;
+	}
+
+	if (aes_unwrap(sm->ptk.kek, WPA_IGTK_LEN / 8, igtk_elem + 9, igtk)) {
+		wpa_printf(MSG_WARNING, "FT: AES unwrap failed - could not "
+			   "decrypt IGTK");
+		return -1;
+	}
+
+	/* KeyID[2] | IPN[6] | Key Length[1] | Key[16+8] */
+
+	keyidx = WPA_GET_LE16(igtk_elem);
+
+	wpa_hexdump_key(MSG_DEBUG, "FT: IGTK from Reassoc Resp", igtk,
+			WPA_IGTK_LEN);
+	if (wpa_sm_set_key(sm, WPA_ALG_IGTK, broadcast_ether_addr, keyidx, 0,
+			   igtk_elem + 2, 6, igtk, WPA_IGTK_LEN) < 0) {
+		wpa_printf(MSG_WARNING, "WPA: Failed to set IGTK to the "
+			   "driver.");
+		return -1;
+	}
+
+	return 0;
+}
+#endif /* CONFIG_IEEE80211W */
+
+
+int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies,
+				 size_t ies_len, const u8 *src_addr)
+{
+	struct wpa_ft_ies parse;
+	struct rsn_mdie *mdie;
+	struct rsn_ftie *ftie;
+	unsigned int count;
+	u8 mic[16];
+
+	wpa_hexdump(MSG_DEBUG, "FT: Response IEs", ies, ies_len);
+
+	if (sm->key_mgmt != WPA_KEY_MGMT_FT_IEEE8021X &&
+	    sm->key_mgmt != WPA_KEY_MGMT_FT_PSK) {
+		wpa_printf(MSG_DEBUG, "FT: Reject FT IEs since FT is not "
+			   "enabled for this connection");
+		return -1;
+	}
+
+	if (wpa_ft_parse_ies(ies, ies_len, &parse) < 0) {
+		wpa_printf(MSG_DEBUG, "FT: Failed to parse IEs");
+		return -1;
+	}
+
+	mdie = (struct rsn_mdie *) parse.mdie;
+	if (mdie == NULL || parse.mdie_len < sizeof(*mdie) ||
+	    os_memcmp(mdie->mobility_domain, sm->mobility_domain,
+		      MOBILITY_DOMAIN_ID_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "FT: Invalid MDIE");
+		return -1;
+	}
+
+	ftie = (struct rsn_ftie *) parse.ftie;
+	if (ftie == NULL || parse.ftie_len < sizeof(*ftie)) {
+		wpa_printf(MSG_DEBUG, "FT: Invalid FTIE");
+		return -1;
+	}
+
+	if (os_memcmp(ftie->snonce, sm->snonce, WPA_NONCE_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "FT: SNonce mismatch in FTIE");
+		wpa_hexdump(MSG_DEBUG, "FT: Received SNonce",
+			    ftie->snonce, WPA_NONCE_LEN);
+		wpa_hexdump(MSG_DEBUG, "FT: Expected SNonce",
+			    sm->snonce, WPA_NONCE_LEN);
+		return -1;
+	}
+
+	if (os_memcmp(ftie->anonce, sm->anonce, WPA_NONCE_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "FT: ANonce mismatch in FTIE");
+		wpa_hexdump(MSG_DEBUG, "FT: Received ANonce",
+			    ftie->anonce, WPA_NONCE_LEN);
+		wpa_hexdump(MSG_DEBUG, "FT: Expected ANonce",
+			    sm->anonce, WPA_NONCE_LEN);
+		return -1;
+	}
+
+	if (parse.r0kh_id == NULL) {
+		wpa_printf(MSG_DEBUG, "FT: No R0KH-ID subelem in FTIE");
+		return -1;
+	}
+
+	if (parse.r0kh_id_len != sm->r0kh_id_len ||
+	    os_memcmp(parse.r0kh_id, sm->r0kh_id, parse.r0kh_id_len) != 0) {
+		wpa_printf(MSG_DEBUG, "FT: R0KH-ID in FTIE did not match with "
+			   "the current R0KH-ID");
+		wpa_hexdump(MSG_DEBUG, "FT: R0KH-ID in FTIE",
+			    parse.r0kh_id, parse.r0kh_id_len);
+		wpa_hexdump(MSG_DEBUG, "FT: The current R0KH-ID",
+			    sm->r0kh_id, sm->r0kh_id_len);
+		return -1;
+	}
+
+	if (parse.r1kh_id == NULL) {
+		wpa_printf(MSG_DEBUG, "FT: No R1KH-ID subelem in FTIE");
+		return -1;
+	}
+
+	if (os_memcmp(parse.r1kh_id, sm->r1kh_id, FT_R1KH_ID_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "FT: Unknown R1KH-ID used in "
+			   "ReassocResp");
+		return -1;
+	}
+
+	if (parse.rsn_pmkid == NULL ||
+	    os_memcmp(parse.rsn_pmkid, sm->pmk_r1_name, WPA_PMK_NAME_LEN)) {
+		wpa_printf(MSG_DEBUG, "FT: No matching PMKR1Name (PMKID) in "
+			   "RSNIE (pmkid=%d)", !!parse.rsn_pmkid);
+		return -1;
+	}
+
+	count = 3;
+	if (parse.tie)
+		count++;
+	if (ftie->mic_control[1] != count) {
+		wpa_printf(MSG_DEBUG, "FT: Unexpected IE count in MIC "
+			   "Control: received %u expected %u",
+			   ftie->mic_control[1], count);
+		return -1;
+	}
+
+	if (wpa_ft_mic(sm->ptk.kck, sm->own_addr, src_addr, 6,
+		       parse.mdie - 2, parse.mdie_len + 2,
+		       parse.ftie - 2, parse.ftie_len + 2,
+		       parse.rsn - 2, parse.rsn_len + 2,
+		       parse.ric, parse.ric_len,
+		       mic) < 0) {
+		wpa_printf(MSG_DEBUG, "FT: Failed to calculate MIC");
+		return -1;
+	}
+
+	if (os_memcmp(mic, ftie->mic, 16) != 0) {
+		wpa_printf(MSG_DEBUG, "FT: Invalid MIC in FTIE");
+		wpa_hexdump(MSG_MSGDUMP, "FT: Received MIC", ftie->mic, 16);
+		wpa_hexdump(MSG_MSGDUMP, "FT: Calculated MIC", mic, 16);
+		return -1;
+	}
+
+	if (wpa_ft_process_gtk_subelem(sm, parse.gtk, parse.gtk_len) < 0)
+		return -1;
+
+#ifdef CONFIG_IEEE80211W
+	if (wpa_ft_process_igtk_subelem(sm, parse.igtk, parse.igtk_len) < 0)
+		return -1;
+#endif /* CONFIG_IEEE80211W */
+
+	if (sm->set_ptk_after_assoc) {
+		wpa_printf(MSG_DEBUG, "FT: Try to set PTK again now that we "
+			   "are associated");
+		if (wpa_ft_install_ptk(sm, src_addr) < 0)
+			return -1;
+		sm->set_ptk_after_assoc = 0;
+	}
+
+	if (parse.ric) {
+		wpa_hexdump(MSG_MSGDUMP, "FT: RIC Response",
+			    parse.ric, parse.ric_len);
+		/* TODO: parse response and inform driver about results */
+	}
+
+	return 0;
+}
+
+
+/**
+ * wpa_ft_start_over_ds - Generate over-the-DS auth request
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @target_ap: Target AP Address
+ * @mdie: Mobility Domain IE from the target AP
+ * Returns: 0 on success, -1 on failure
+ */
+int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap,
+			 const u8 *mdie)
+{
+	u8 *ft_ies;
+	size_t ft_ies_len;
+
+	wpa_printf(MSG_DEBUG, "FT: Request over-the-DS with " MACSTR,
+		   MAC2STR(target_ap));
+
+	/* Generate a new SNonce */
+	if (random_get_bytes(sm->snonce, WPA_NONCE_LEN)) {
+		wpa_printf(MSG_INFO, "FT: Failed to generate a new SNonce");
+		return -1;
+	}
+
+	ft_ies = wpa_ft_gen_req_ies(sm, &ft_ies_len, NULL, sm->pmk_r0_name,
+				    NULL, target_ap, NULL, 0, mdie);
+	if (ft_ies) {
+		sm->over_the_ds_in_progress = 1;
+		os_memcpy(sm->target_ap, target_ap, ETH_ALEN);
+		wpa_sm_send_ft_action(sm, 1, target_ap, ft_ies, ft_ies_len);
+		os_free(ft_ies);
+	}
+
+	return 0;
+}
+
+#endif /* CONFIG_IEEE80211R */
diff --git a/src/rsn_supp/wpa_i.h b/src/rsn_supp/wpa_i.h
new file mode 100644
index 0000000..09a2e4f
--- /dev/null
+++ b/src/rsn_supp/wpa_i.h
@@ -0,0 +1,290 @@
+/*
+ * Internal WPA/RSN supplicant state machine definitions
+ * Copyright (c) 2004-2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef WPA_I_H
+#define WPA_I_H
+
+#include "utils/list.h"
+
+struct wpa_peerkey;
+struct wpa_tdls_peer;
+struct wpa_eapol_key;
+
+/**
+ * struct wpa_sm - Internal WPA state machine data
+ */
+struct wpa_sm {
+	u8 pmk[PMK_LEN];
+	size_t pmk_len;
+	struct wpa_ptk ptk, tptk;
+	int ptk_set, tptk_set;
+	u8 snonce[WPA_NONCE_LEN];
+	u8 anonce[WPA_NONCE_LEN]; /* ANonce from the last 1/4 msg */
+	int renew_snonce;
+	u8 rx_replay_counter[WPA_REPLAY_COUNTER_LEN];
+	int rx_replay_counter_set;
+	u8 request_counter[WPA_REPLAY_COUNTER_LEN];
+
+	struct eapol_sm *eapol; /* EAPOL state machine from upper level code */
+
+	struct rsn_pmksa_cache *pmksa; /* PMKSA cache */
+	struct rsn_pmksa_cache_entry *cur_pmksa; /* current PMKSA entry */
+	struct dl_list pmksa_candidates;
+
+	struct l2_packet_data *l2_preauth;
+	struct l2_packet_data *l2_preauth_br;
+	struct l2_packet_data *l2_tdls;
+	u8 preauth_bssid[ETH_ALEN]; /* current RSN pre-auth peer or
+				     * 00:00:00:00:00:00 if no pre-auth is
+				     * in progress */
+	struct eapol_sm *preauth_eapol;
+
+	struct wpa_sm_ctx *ctx;
+
+	void *scard_ctx; /* context for smartcard callbacks */
+	int fast_reauth; /* whether EAP fast re-authentication is enabled */
+
+	void *network_ctx;
+	int peerkey_enabled;
+	int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */
+	int proactive_key_caching;
+	int eap_workaround;
+	void *eap_conf_ctx;
+	u8 ssid[32];
+	size_t ssid_len;
+	int wpa_ptk_rekey;
+
+	u8 own_addr[ETH_ALEN];
+	const char *ifname;
+	const char *bridge_ifname;
+	u8 bssid[ETH_ALEN];
+
+	unsigned int dot11RSNAConfigPMKLifetime;
+	unsigned int dot11RSNAConfigPMKReauthThreshold;
+	unsigned int dot11RSNAConfigSATimeout;
+
+	unsigned int dot11RSNA4WayHandshakeFailures;
+
+	/* Selected configuration (based on Beacon/ProbeResp WPA IE) */
+	unsigned int proto;
+	unsigned int pairwise_cipher;
+	unsigned int group_cipher;
+	unsigned int key_mgmt;
+	unsigned int mgmt_group_cipher;
+
+	int rsn_enabled; /* Whether RSN is enabled in configuration */
+	int mfp; /* 0 = disabled, 1 = optional, 2 = mandatory */
+
+	u8 *assoc_wpa_ie; /* Own WPA/RSN IE from (Re)AssocReq */
+	size_t assoc_wpa_ie_len;
+	u8 *ap_wpa_ie, *ap_rsn_ie;
+	size_t ap_wpa_ie_len, ap_rsn_ie_len;
+
+#ifdef CONFIG_PEERKEY
+	struct wpa_peerkey *peerkey;
+#endif /* CONFIG_PEERKEY */
+#ifdef CONFIG_TDLS
+	struct wpa_tdls_peer *tdls;
+	int tdls_prohibited;
+	int tdls_disabled;
+#endif /* CONFIG_TDLS */
+
+#ifdef CONFIG_IEEE80211R
+	u8 xxkey[PMK_LEN]; /* PSK or the second 256 bits of MSK */
+	size_t xxkey_len;
+	u8 pmk_r0[PMK_LEN];
+	u8 pmk_r0_name[WPA_PMK_NAME_LEN];
+	u8 pmk_r1[PMK_LEN];
+	u8 pmk_r1_name[WPA_PMK_NAME_LEN];
+	u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
+	u8 r0kh_id[FT_R0KH_ID_MAX_LEN];
+	size_t r0kh_id_len;
+	u8 r1kh_id[FT_R1KH_ID_LEN];
+	int ft_completed;
+	int over_the_ds_in_progress;
+	u8 target_ap[ETH_ALEN]; /* over-the-DS target AP */
+	int set_ptk_after_assoc;
+	u8 mdie_ft_capab; /* FT Capability and Policy from target AP MDIE */
+	u8 *assoc_resp_ies; /* MDIE and FTIE from (Re)Association Response */
+	size_t assoc_resp_ies_len;
+#endif /* CONFIG_IEEE80211R */
+};
+
+
+static inline void wpa_sm_set_state(struct wpa_sm *sm, enum wpa_states state)
+{
+	WPA_ASSERT(sm->ctx->set_state);
+	sm->ctx->set_state(sm->ctx->ctx, state);
+}
+
+static inline enum wpa_states wpa_sm_get_state(struct wpa_sm *sm)
+{
+	WPA_ASSERT(sm->ctx->get_state);
+	return sm->ctx->get_state(sm->ctx->ctx);
+}
+
+static inline void wpa_sm_deauthenticate(struct wpa_sm *sm, int reason_code)
+{
+	WPA_ASSERT(sm->ctx->deauthenticate);
+	sm->ctx->deauthenticate(sm->ctx->ctx, reason_code);
+}
+
+static inline void wpa_sm_disassociate(struct wpa_sm *sm, int reason_code)
+{
+	WPA_ASSERT(sm->ctx->disassociate);
+	sm->ctx->disassociate(sm->ctx->ctx, reason_code);
+}
+
+static inline int wpa_sm_set_key(struct wpa_sm *sm, enum wpa_alg alg,
+				 const u8 *addr, int key_idx, int set_tx,
+				 const u8 *seq, size_t seq_len,
+				 const u8 *key, size_t key_len)
+{
+	WPA_ASSERT(sm->ctx->set_key);
+	return sm->ctx->set_key(sm->ctx->ctx, alg, addr, key_idx, set_tx,
+				seq, seq_len, key, key_len);
+}
+
+static inline void * wpa_sm_get_network_ctx(struct wpa_sm *sm)
+{
+	WPA_ASSERT(sm->ctx->get_network_ctx);
+	return sm->ctx->get_network_ctx(sm->ctx->ctx);
+}
+
+static inline int wpa_sm_get_bssid(struct wpa_sm *sm, u8 *bssid)
+{
+	WPA_ASSERT(sm->ctx->get_bssid);
+	return sm->ctx->get_bssid(sm->ctx->ctx, bssid);
+}
+
+static inline int wpa_sm_ether_send(struct wpa_sm *sm, const u8 *dest,
+				    u16 proto, const u8 *buf, size_t len)
+{
+	WPA_ASSERT(sm->ctx->ether_send);
+	return sm->ctx->ether_send(sm->ctx->ctx, dest, proto, buf, len);
+}
+
+static inline int wpa_sm_get_beacon_ie(struct wpa_sm *sm)
+{
+	WPA_ASSERT(sm->ctx->get_beacon_ie);
+	return sm->ctx->get_beacon_ie(sm->ctx->ctx);
+}
+
+static inline void wpa_sm_cancel_auth_timeout(struct wpa_sm *sm)
+{
+	WPA_ASSERT(sm->ctx->cancel_auth_timeout);
+	sm->ctx->cancel_auth_timeout(sm->ctx->ctx);
+}
+
+static inline u8 * wpa_sm_alloc_eapol(struct wpa_sm *sm, u8 type,
+				      const void *data, u16 data_len,
+				      size_t *msg_len, void **data_pos)
+{
+	WPA_ASSERT(sm->ctx->alloc_eapol);
+	return sm->ctx->alloc_eapol(sm->ctx->ctx, type, data, data_len,
+				    msg_len, data_pos);
+}
+
+static inline int wpa_sm_add_pmkid(struct wpa_sm *sm, const u8 *bssid,
+				   const u8 *pmkid)
+{
+	WPA_ASSERT(sm->ctx->add_pmkid);
+	return sm->ctx->add_pmkid(sm->ctx->ctx, bssid, pmkid);
+}
+
+static inline int wpa_sm_remove_pmkid(struct wpa_sm *sm, const u8 *bssid,
+				      const u8 *pmkid)
+{
+	WPA_ASSERT(sm->ctx->remove_pmkid);
+	return sm->ctx->remove_pmkid(sm->ctx->ctx, bssid, pmkid);
+}
+
+static inline int wpa_sm_mlme_setprotection(struct wpa_sm *sm, const u8 *addr,
+					    int protect_type, int key_type)
+{
+	WPA_ASSERT(sm->ctx->mlme_setprotection);
+	return sm->ctx->mlme_setprotection(sm->ctx->ctx, addr, protect_type,
+					   key_type);
+}
+
+static inline int wpa_sm_update_ft_ies(struct wpa_sm *sm, const u8 *md,
+				       const u8 *ies, size_t ies_len)
+{
+	if (sm->ctx->update_ft_ies)
+		return sm->ctx->update_ft_ies(sm->ctx->ctx, md, ies, ies_len);
+	return -1;
+}
+
+static inline int wpa_sm_send_ft_action(struct wpa_sm *sm, u8 action,
+					const u8 *target_ap,
+					const u8 *ies, size_t ies_len)
+{
+	if (sm->ctx->send_ft_action)
+		return sm->ctx->send_ft_action(sm->ctx->ctx, action, target_ap,
+					       ies, ies_len);
+	return -1;
+}
+
+static inline int wpa_sm_mark_authenticated(struct wpa_sm *sm,
+					    const u8 *target_ap)
+{
+	if (sm->ctx->mark_authenticated)
+		return sm->ctx->mark_authenticated(sm->ctx->ctx, target_ap);
+	return -1;
+}
+
+#ifdef CONFIG_TDLS
+static inline int wpa_sm_send_tdls_mgmt(struct wpa_sm *sm, const u8 *dst,
+					u8 action_code, u8 dialog_token,
+					u16 status_code, const u8 *buf,
+					size_t len)
+{
+	if (sm->ctx->send_tdls_mgmt)
+		return sm->ctx->send_tdls_mgmt(sm->ctx->ctx, dst, action_code,
+					       dialog_token, status_code,
+					       buf, len);
+	return -1;
+}
+
+static inline int wpa_sm_tdls_oper(struct wpa_sm *sm, int oper,
+				   const u8 *peer)
+{
+	if (sm->ctx->tdls_oper)
+		return sm->ctx->tdls_oper(sm->ctx->ctx, oper, peer);
+	return -1;
+}
+#endif /* CONFIG_TDLS */
+
+void wpa_eapol_key_send(struct wpa_sm *sm, const u8 *kck,
+			int ver, const u8 *dest, u16 proto,
+			u8 *msg, size_t msg_len, u8 *key_mic);
+int wpa_supplicant_send_2_of_4(struct wpa_sm *sm, const unsigned char *dst,
+			       const struct wpa_eapol_key *key,
+			       int ver, const u8 *nonce,
+			       const u8 *wpa_ie, size_t wpa_ie_len,
+			       struct wpa_ptk *ptk);
+int wpa_supplicant_send_4_of_4(struct wpa_sm *sm, const unsigned char *dst,
+			       const struct wpa_eapol_key *key,
+			       u16 ver, u16 key_info,
+			       const u8 *kde, size_t kde_len,
+			       struct wpa_ptk *ptk);
+
+int wpa_derive_ptk_ft(struct wpa_sm *sm, const unsigned char *src_addr,
+		      const struct wpa_eapol_key *key,
+		      struct wpa_ptk *ptk, size_t ptk_len);
+
+void wpa_tdls_assoc(struct wpa_sm *sm);
+void wpa_tdls_disassoc(struct wpa_sm *sm);
+
+#endif /* WPA_I_H */
diff --git a/src/rsn_supp/wpa_ie.c b/src/rsn_supp/wpa_ie.c
new file mode 100644
index 0000000..654cc1f
--- /dev/null
+++ b/src/rsn_supp/wpa_ie.c
@@ -0,0 +1,447 @@
+/*
+ * wpa_supplicant - WPA/RSN IE and KDE processing
+ * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "wpa.h"
+#include "pmksa_cache.h"
+#include "common/ieee802_11_defs.h"
+#include "wpa_i.h"
+#include "wpa_ie.h"
+
+
+/**
+ * wpa_parse_wpa_ie - Parse WPA/RSN IE
+ * @wpa_ie: Pointer to WPA or RSN IE
+ * @wpa_ie_len: Length of the WPA/RSN IE
+ * @data: Pointer to data area for parsing results
+ * Returns: 0 on success, -1 on failure
+ *
+ * Parse the contents of WPA or RSN IE and write the parsed data into data.
+ */
+int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
+		     struct wpa_ie_data *data)
+{
+	if (wpa_ie_len >= 1 && wpa_ie[0] == WLAN_EID_RSN)
+		return wpa_parse_wpa_ie_rsn(wpa_ie, wpa_ie_len, data);
+	else
+		return wpa_parse_wpa_ie_wpa(wpa_ie, wpa_ie_len, data);
+}
+
+
+static int wpa_gen_wpa_ie_wpa(u8 *wpa_ie, size_t wpa_ie_len,
+			      int pairwise_cipher, int group_cipher,
+			      int key_mgmt)
+{
+	u8 *pos;
+	struct wpa_ie_hdr *hdr;
+
+	if (wpa_ie_len < sizeof(*hdr) + WPA_SELECTOR_LEN +
+	    2 + WPA_SELECTOR_LEN + 2 + WPA_SELECTOR_LEN)
+		return -1;
+
+	hdr = (struct wpa_ie_hdr *) wpa_ie;
+	hdr->elem_id = WLAN_EID_VENDOR_SPECIFIC;
+	RSN_SELECTOR_PUT(hdr->oui, WPA_OUI_TYPE);
+	WPA_PUT_LE16(hdr->version, WPA_VERSION);
+	pos = (u8 *) (hdr + 1);
+
+	if (group_cipher == WPA_CIPHER_CCMP) {
+		RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_CCMP);
+	} else if (group_cipher == WPA_CIPHER_TKIP) {
+		RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_TKIP);
+	} else if (group_cipher == WPA_CIPHER_WEP104) {
+		RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_WEP104);
+	} else if (group_cipher == WPA_CIPHER_WEP40) {
+		RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_WEP40);
+	} else {
+		wpa_printf(MSG_WARNING, "Invalid group cipher (%d).",
+			   group_cipher);
+		return -1;
+	}
+	pos += WPA_SELECTOR_LEN;
+
+	*pos++ = 1;
+	*pos++ = 0;
+	if (pairwise_cipher == WPA_CIPHER_CCMP) {
+		RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_CCMP);
+	} else if (pairwise_cipher == WPA_CIPHER_TKIP) {
+		RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_TKIP);
+	} else if (pairwise_cipher == WPA_CIPHER_NONE) {
+		RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_NONE);
+	} else {
+		wpa_printf(MSG_WARNING, "Invalid pairwise cipher (%d).",
+			   pairwise_cipher);
+		return -1;
+	}
+	pos += WPA_SELECTOR_LEN;
+
+	*pos++ = 1;
+	*pos++ = 0;
+	if (key_mgmt == WPA_KEY_MGMT_IEEE8021X) {
+		RSN_SELECTOR_PUT(pos, WPA_AUTH_KEY_MGMT_UNSPEC_802_1X);
+	} else if (key_mgmt == WPA_KEY_MGMT_PSK) {
+		RSN_SELECTOR_PUT(pos, WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X);
+	} else if (key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
+		RSN_SELECTOR_PUT(pos, WPA_AUTH_KEY_MGMT_NONE);
+	} else {
+		wpa_printf(MSG_WARNING, "Invalid key management type (%d).",
+			   key_mgmt);
+		return -1;
+	}
+	pos += WPA_SELECTOR_LEN;
+
+	/* WPA Capabilities; use defaults, so no need to include it */
+
+	hdr->len = (pos - wpa_ie) - 2;
+
+	WPA_ASSERT((size_t) (pos - wpa_ie) <= wpa_ie_len);
+
+	return pos - wpa_ie;
+}
+
+
+static int wpa_gen_wpa_ie_rsn(u8 *rsn_ie, size_t rsn_ie_len,
+			      int pairwise_cipher, int group_cipher,
+			      int key_mgmt, int mgmt_group_cipher,
+			      struct wpa_sm *sm)
+{
+#ifndef CONFIG_NO_WPA2
+	u8 *pos;
+	struct rsn_ie_hdr *hdr;
+	u16 capab;
+
+	if (rsn_ie_len < sizeof(*hdr) + RSN_SELECTOR_LEN +
+	    2 + RSN_SELECTOR_LEN + 2 + RSN_SELECTOR_LEN + 2 +
+	    (sm->cur_pmksa ? 2 + PMKID_LEN : 0)) {
+		wpa_printf(MSG_DEBUG, "RSN: Too short IE buffer (%lu bytes)",
+			   (unsigned long) rsn_ie_len);
+		return -1;
+	}
+
+	hdr = (struct rsn_ie_hdr *) rsn_ie;
+	hdr->elem_id = WLAN_EID_RSN;
+	WPA_PUT_LE16(hdr->version, RSN_VERSION);
+	pos = (u8 *) (hdr + 1);
+
+	if (group_cipher == WPA_CIPHER_CCMP) {
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_CCMP);
+	} else if (group_cipher == WPA_CIPHER_TKIP) {
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_TKIP);
+	} else if (group_cipher == WPA_CIPHER_WEP104) {
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_WEP104);
+	} else if (group_cipher == WPA_CIPHER_WEP40) {
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_WEP40);
+	} else {
+		wpa_printf(MSG_WARNING, "Invalid group cipher (%d).",
+			   group_cipher);
+		return -1;
+	}
+	pos += RSN_SELECTOR_LEN;
+
+	*pos++ = 1;
+	*pos++ = 0;
+	if (pairwise_cipher == WPA_CIPHER_CCMP) {
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_CCMP);
+	} else if (pairwise_cipher == WPA_CIPHER_TKIP) {
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_TKIP);
+	} else if (pairwise_cipher == WPA_CIPHER_NONE) {
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_NONE);
+	} else {
+		wpa_printf(MSG_WARNING, "Invalid pairwise cipher (%d).",
+			   pairwise_cipher);
+		return -1;
+	}
+	pos += RSN_SELECTOR_LEN;
+
+	*pos++ = 1;
+	*pos++ = 0;
+	if (key_mgmt == WPA_KEY_MGMT_IEEE8021X) {
+		RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_UNSPEC_802_1X);
+	} else if (key_mgmt == WPA_KEY_MGMT_PSK) {
+		RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X);
+#ifdef CONFIG_IEEE80211R
+	} else if (key_mgmt == WPA_KEY_MGMT_FT_IEEE8021X) {
+		RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_802_1X);
+	} else if (key_mgmt == WPA_KEY_MGMT_FT_PSK) {
+		RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_PSK);
+#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_IEEE80211W
+	} else if (key_mgmt == WPA_KEY_MGMT_IEEE8021X_SHA256) {
+		RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_802_1X_SHA256);
+	} else if (key_mgmt == WPA_KEY_MGMT_PSK_SHA256) {
+		RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_PSK_SHA256);
+#endif /* CONFIG_IEEE80211W */
+	} else {
+		wpa_printf(MSG_WARNING, "Invalid key management type (%d).",
+			   key_mgmt);
+		return -1;
+	}
+	pos += RSN_SELECTOR_LEN;
+
+	/* RSN Capabilities */
+	capab = 0;
+#ifdef CONFIG_IEEE80211W
+	if (sm->mfp)
+		capab |= WPA_CAPABILITY_MFPC;
+	if (sm->mfp == 2)
+		capab |= WPA_CAPABILITY_MFPR;
+#endif /* CONFIG_IEEE80211W */
+	WPA_PUT_LE16(pos, capab);
+	pos += 2;
+
+	if (sm->cur_pmksa) {
+		/* PMKID Count (2 octets, little endian) */
+		*pos++ = 1;
+		*pos++ = 0;
+		/* PMKID */
+		os_memcpy(pos, sm->cur_pmksa->pmkid, PMKID_LEN);
+		pos += PMKID_LEN;
+	}
+
+#ifdef CONFIG_IEEE80211W
+	if (mgmt_group_cipher == WPA_CIPHER_AES_128_CMAC) {
+		if (!sm->cur_pmksa) {
+			/* PMKID Count */
+			WPA_PUT_LE16(pos, 0);
+			pos += 2;
+		}
+
+		/* Management Group Cipher Suite */
+		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_AES_128_CMAC);
+		pos += RSN_SELECTOR_LEN;
+	}
+#endif /* CONFIG_IEEE80211W */
+
+	hdr->len = (pos - rsn_ie) - 2;
+
+	WPA_ASSERT((size_t) (pos - rsn_ie) <= rsn_ie_len);
+
+	return pos - rsn_ie;
+#else /* CONFIG_NO_WPA2 */
+	return -1;
+#endif /* CONFIG_NO_WPA2 */
+}
+
+
+/**
+ * wpa_gen_wpa_ie - Generate WPA/RSN IE based on current security policy
+ * @sm: Pointer to WPA state machine data from wpa_sm_init()
+ * @wpa_ie: Pointer to memory area for the generated WPA/RSN IE
+ * @wpa_ie_len: Maximum length of the generated WPA/RSN IE
+ * Returns: Length of the generated WPA/RSN IE or -1 on failure
+ */
+int wpa_gen_wpa_ie(struct wpa_sm *sm, u8 *wpa_ie, size_t wpa_ie_len)
+{
+	if (sm->proto == WPA_PROTO_RSN)
+		return wpa_gen_wpa_ie_rsn(wpa_ie, wpa_ie_len,
+					  sm->pairwise_cipher,
+					  sm->group_cipher,
+					  sm->key_mgmt, sm->mgmt_group_cipher,
+					  sm);
+	else
+		return wpa_gen_wpa_ie_wpa(wpa_ie, wpa_ie_len,
+					  sm->pairwise_cipher,
+					  sm->group_cipher,
+					  sm->key_mgmt);
+}
+
+
+/**
+ * wpa_parse_generic - Parse EAPOL-Key Key Data Generic IEs
+ * @pos: Pointer to the IE header
+ * @end: Pointer to the end of the Key Data buffer
+ * @ie: Pointer to parsed IE data
+ * Returns: 0 on success, 1 if end mark is found, -1 on failure
+ */
+static int wpa_parse_generic(const u8 *pos, const u8 *end,
+			     struct wpa_eapol_ie_parse *ie)
+{
+	if (pos[1] == 0)
+		return 1;
+
+	if (pos[1] >= 6 &&
+	    RSN_SELECTOR_GET(pos + 2) == WPA_OUI_TYPE &&
+	    pos[2 + WPA_SELECTOR_LEN] == 1 &&
+	    pos[2 + WPA_SELECTOR_LEN + 1] == 0) {
+		ie->wpa_ie = pos;
+		ie->wpa_ie_len = pos[1] + 2;
+		wpa_hexdump(MSG_DEBUG, "WPA: WPA IE in EAPOL-Key",
+			    ie->wpa_ie, ie->wpa_ie_len);
+		return 0;
+	}
+
+	if (pos + 1 + RSN_SELECTOR_LEN < end &&
+	    pos[1] >= RSN_SELECTOR_LEN + PMKID_LEN &&
+	    RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_PMKID) {
+		ie->pmkid = pos + 2 + RSN_SELECTOR_LEN;
+		wpa_hexdump(MSG_DEBUG, "WPA: PMKID in EAPOL-Key",
+			    pos, pos[1] + 2);
+		return 0;
+	}
+
+	if (pos[1] > RSN_SELECTOR_LEN + 2 &&
+	    RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_GROUPKEY) {
+		ie->gtk = pos + 2 + RSN_SELECTOR_LEN;
+		ie->gtk_len = pos[1] - RSN_SELECTOR_LEN;
+		wpa_hexdump_key(MSG_DEBUG, "WPA: GTK in EAPOL-Key",
+				pos, pos[1] + 2);
+		return 0;
+	}
+
+	if (pos[1] > RSN_SELECTOR_LEN + 2 &&
+	    RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_MAC_ADDR) {
+		ie->mac_addr = pos + 2 + RSN_SELECTOR_LEN;
+		ie->mac_addr_len = pos[1] - RSN_SELECTOR_LEN;
+		wpa_hexdump(MSG_DEBUG, "WPA: MAC Address in EAPOL-Key",
+			    pos, pos[1] + 2);
+		return 0;
+	}
+
+#ifdef CONFIG_PEERKEY
+	if (pos[1] > RSN_SELECTOR_LEN + 2 &&
+	    RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_SMK) {
+		ie->smk = pos + 2 + RSN_SELECTOR_LEN;
+		ie->smk_len = pos[1] - RSN_SELECTOR_LEN;
+		wpa_hexdump_key(MSG_DEBUG, "WPA: SMK in EAPOL-Key",
+				pos, pos[1] + 2);
+		return 0;
+	}
+
+	if (pos[1] > RSN_SELECTOR_LEN + 2 &&
+	    RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_NONCE) {
+		ie->nonce = pos + 2 + RSN_SELECTOR_LEN;
+		ie->nonce_len = pos[1] - RSN_SELECTOR_LEN;
+		wpa_hexdump(MSG_DEBUG, "WPA: Nonce in EAPOL-Key",
+			    pos, pos[1] + 2);
+		return 0;
+	}
+
+	if (pos[1] > RSN_SELECTOR_LEN + 2 &&
+	    RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_LIFETIME) {
+		ie->lifetime = pos + 2 + RSN_SELECTOR_LEN;
+		ie->lifetime_len = pos[1] - RSN_SELECTOR_LEN;
+		wpa_hexdump(MSG_DEBUG, "WPA: Lifetime in EAPOL-Key",
+			    pos, pos[1] + 2);
+		return 0;
+	}
+
+	if (pos[1] > RSN_SELECTOR_LEN + 2 &&
+	    RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_ERROR) {
+		ie->error = pos + 2 + RSN_SELECTOR_LEN;
+		ie->error_len = pos[1] - RSN_SELECTOR_LEN;
+		wpa_hexdump(MSG_DEBUG, "WPA: Error in EAPOL-Key",
+			    pos, pos[1] + 2);
+		return 0;
+	}
+#endif /* CONFIG_PEERKEY */
+
+#ifdef CONFIG_IEEE80211W
+	if (pos[1] > RSN_SELECTOR_LEN + 2 &&
+	    RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_IGTK) {
+		ie->igtk = pos + 2 + RSN_SELECTOR_LEN;
+		ie->igtk_len = pos[1] - RSN_SELECTOR_LEN;
+		wpa_hexdump_key(MSG_DEBUG, "WPA: IGTK in EAPOL-Key",
+				pos, pos[1] + 2);
+		return 0;
+	}
+#endif /* CONFIG_IEEE80211W */
+
+	return 0;
+}
+
+
+/**
+ * wpa_supplicant_parse_ies - Parse EAPOL-Key Key Data IEs
+ * @buf: Pointer to the Key Data buffer
+ * @len: Key Data Length
+ * @ie: Pointer to parsed IE data
+ * Returns: 0 on success, -1 on failure
+ */
+int wpa_supplicant_parse_ies(const u8 *buf, size_t len,
+			     struct wpa_eapol_ie_parse *ie)
+{
+	const u8 *pos, *end;
+	int ret = 0;
+
+	os_memset(ie, 0, sizeof(*ie));
+	for (pos = buf, end = pos + len; pos + 1 < end; pos += 2 + pos[1]) {
+		if (pos[0] == 0xdd &&
+		    ((pos == buf + len - 1) || pos[1] == 0)) {
+			/* Ignore padding */
+			break;
+		}
+		if (pos + 2 + pos[1] > end) {
+			wpa_printf(MSG_DEBUG, "WPA: EAPOL-Key Key Data "
+				   "underflow (ie=%d len=%d pos=%d)",
+				   pos[0], pos[1], (int) (pos - buf));
+			wpa_hexdump_key(MSG_DEBUG, "WPA: Key Data",
+					buf, len);
+			ret = -1;
+			break;
+		}
+		if (*pos == WLAN_EID_RSN) {
+			ie->rsn_ie = pos;
+			ie->rsn_ie_len = pos[1] + 2;
+			wpa_hexdump(MSG_DEBUG, "WPA: RSN IE in EAPOL-Key",
+				    ie->rsn_ie, ie->rsn_ie_len);
+		} else if (*pos == WLAN_EID_MOBILITY_DOMAIN) {
+			ie->mdie = pos;
+			ie->mdie_len = pos[1] + 2;
+			wpa_hexdump(MSG_DEBUG, "WPA: MDIE in EAPOL-Key",
+				    ie->mdie, ie->mdie_len);
+		} else if (*pos == WLAN_EID_FAST_BSS_TRANSITION) {
+			ie->ftie = pos;
+			ie->ftie_len = pos[1] + 2;
+			wpa_hexdump(MSG_DEBUG, "WPA: FTIE in EAPOL-Key",
+				    ie->ftie, ie->ftie_len);
+		} else if (*pos == WLAN_EID_TIMEOUT_INTERVAL && pos[1] >= 5) {
+			if (pos[2] == WLAN_TIMEOUT_REASSOC_DEADLINE) {
+				ie->reassoc_deadline = pos;
+				wpa_hexdump(MSG_DEBUG, "WPA: Reassoc Deadline "
+					    "in EAPOL-Key",
+					    ie->reassoc_deadline, pos[1] + 2);
+			} else if (pos[2] == WLAN_TIMEOUT_KEY_LIFETIME) {
+				ie->key_lifetime = pos;
+				wpa_hexdump(MSG_DEBUG, "WPA: KeyLifetime "
+					    "in EAPOL-Key",
+					    ie->key_lifetime, pos[1] + 2);
+			} else {
+				wpa_hexdump(MSG_DEBUG, "WPA: Unrecognized "
+					    "EAPOL-Key Key Data IE",
+					    pos, 2 + pos[1]);
+			}
+		} else if (*pos == WLAN_EID_LINK_ID) {
+			ie->lnkid = pos;
+			ie->lnkid_len = pos[1] + 2;
+		} else if (*pos == WLAN_EID_EXT_CAPAB) {
+			ie->ext_capab = pos;
+			ie->ext_capab_len = pos[1] + 2;
+		} else if (*pos == WLAN_EID_VENDOR_SPECIFIC) {
+			ret = wpa_parse_generic(pos, end, ie);
+			if (ret < 0)
+				break;
+			if (ret > 0) {
+				ret = 0;
+				break;
+			}
+		} else {
+			wpa_hexdump(MSG_DEBUG, "WPA: Unrecognized EAPOL-Key "
+				    "Key Data IE", pos, 2 + pos[1]);
+		}
+	}
+
+	return ret;
+}
diff --git a/src/rsn_supp/wpa_ie.h b/src/rsn_supp/wpa_ie.h
new file mode 100644
index 0000000..f939b13
--- /dev/null
+++ b/src/rsn_supp/wpa_ie.h
@@ -0,0 +1,60 @@
+/*
+ * wpa_supplicant - WPA/RSN IE and KDE definitions
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef WPA_IE_H
+#define WPA_IE_H
+
+struct wpa_sm;
+
+struct wpa_eapol_ie_parse {
+	const u8 *wpa_ie;
+	size_t wpa_ie_len;
+	const u8 *rsn_ie;
+	size_t rsn_ie_len;
+	const u8 *pmkid;
+	const u8 *gtk;
+	size_t gtk_len;
+	const u8 *mac_addr;
+	size_t mac_addr_len;
+#ifdef CONFIG_PEERKEY
+	const u8 *smk;
+	size_t smk_len;
+	const u8 *nonce;
+	size_t nonce_len;
+	const u8 *lifetime;
+	size_t lifetime_len;
+	const u8 *error;
+	size_t error_len;
+#endif /* CONFIG_PEERKEY */
+#ifdef CONFIG_IEEE80211W
+	const u8 *igtk;
+	size_t igtk_len;
+#endif /* CONFIG_IEEE80211W */
+	const u8 *mdie;
+	size_t mdie_len;
+	const u8 *ftie;
+	size_t ftie_len;
+	const u8 *reassoc_deadline;
+	const u8 *key_lifetime;
+	const u8 *lnkid;
+	size_t lnkid_len;
+	const u8 *ext_capab;
+	size_t ext_capab_len;
+};
+
+int wpa_supplicant_parse_ies(const u8 *buf, size_t len,
+			     struct wpa_eapol_ie_parse *ie);
+int wpa_gen_wpa_ie(struct wpa_sm *sm, u8 *wpa_ie, size_t wpa_ie_len);
+
+#endif /* WPA_IE_H */
diff --git a/src/tls/.gitignore b/src/tls/.gitignore
new file mode 100644
index 0000000..d43242d
--- /dev/null
+++ b/src/tls/.gitignore
@@ -0,0 +1 @@
+libtls.a
diff --git a/src/tls/Makefile b/src/tls/Makefile
new file mode 100644
index 0000000..a2da096
--- /dev/null
+++ b/src/tls/Makefile
@@ -0,0 +1,37 @@
+all: libtls.a
+
+clean:
+	rm -f *~ *.o *.d libtls.a
+
+install:
+	@echo Nothing to be made.
+
+
+include ../lib.rules
+
+CFLAGS += -DCONFIG_INTERNAL_LIBTOMMATH
+CFLAGS += -DCONFIG_CRYPTO_INTERNAL
+
+LIB_OBJS= \
+	asn1.o \
+	bignum.o \
+	pkcs1.o \
+	pkcs5.o \
+	pkcs8.o \
+	rsa.o \
+	tlsv1_client.o \
+	tlsv1_client_read.o \
+	tlsv1_client_write.o \
+	tlsv1_common.o \
+	tlsv1_cred.o \
+	tlsv1_record.o \
+	tlsv1_server.o \
+	tlsv1_server_read.o \
+	tlsv1_server_write.o \
+	x509v3.o
+
+
+libtls.a: $(LIB_OBJS)
+	$(AR) crT $@ $?
+
+-include $(OBJS:%.o=%.d)
diff --git a/src/tls/asn1.c b/src/tls/asn1.c
new file mode 100644
index 0000000..3391245
--- /dev/null
+++ b/src/tls/asn1.c
@@ -0,0 +1,212 @@
+/*
+ * ASN.1 DER parsing
+ * Copyright (c) 2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "asn1.h"
+
+int asn1_get_next(const u8 *buf, size_t len, struct asn1_hdr *hdr)
+{
+	const u8 *pos, *end;
+	u8 tmp;
+
+	os_memset(hdr, 0, sizeof(*hdr));
+	pos = buf;
+	end = buf + len;
+
+	hdr->identifier = *pos++;
+	hdr->class = hdr->identifier >> 6;
+	hdr->constructed = !!(hdr->identifier & (1 << 5));
+
+	if ((hdr->identifier & 0x1f) == 0x1f) {
+		hdr->tag = 0;
+		do {
+			if (pos >= end) {
+				wpa_printf(MSG_DEBUG, "ASN.1: Identifier "
+					   "underflow");
+				return -1;
+			}
+			tmp = *pos++;
+			wpa_printf(MSG_MSGDUMP, "ASN.1: Extended tag data: "
+				   "0x%02x", tmp);
+			hdr->tag = (hdr->tag << 7) | (tmp & 0x7f);
+		} while (tmp & 0x80);
+	} else
+		hdr->tag = hdr->identifier & 0x1f;
+
+	tmp = *pos++;
+	if (tmp & 0x80) {
+		if (tmp == 0xff) {
+			wpa_printf(MSG_DEBUG, "ASN.1: Reserved length "
+				   "value 0xff used");
+			return -1;
+		}
+		tmp &= 0x7f; /* number of subsequent octets */
+		hdr->length = 0;
+		if (tmp > 4) {
+			wpa_printf(MSG_DEBUG, "ASN.1: Too long length field");
+			return -1;
+		}
+		while (tmp--) {
+			if (pos >= end) {
+				wpa_printf(MSG_DEBUG, "ASN.1: Length "
+					   "underflow");
+				return -1;
+			}
+			hdr->length = (hdr->length << 8) | *pos++;
+		}
+	} else {
+		/* Short form - length 0..127 in one octet */
+		hdr->length = tmp;
+	}
+
+	if (end < pos || hdr->length > (unsigned int) (end - pos)) {
+		wpa_printf(MSG_DEBUG, "ASN.1: Contents underflow");
+		return -1;
+	}
+
+	hdr->payload = pos;
+	return 0;
+}
+
+
+int asn1_parse_oid(const u8 *buf, size_t len, struct asn1_oid *oid)
+{
+	const u8 *pos, *end;
+	unsigned long val;
+	u8 tmp;
+
+	os_memset(oid, 0, sizeof(*oid));
+
+	pos = buf;
+	end = buf + len;
+
+	while (pos < end) {
+		val = 0;
+
+		do {
+			if (pos >= end)
+				return -1;
+			tmp = *pos++;
+			val = (val << 7) | (tmp & 0x7f);
+		} while (tmp & 0x80);
+
+		if (oid->len >= ASN1_MAX_OID_LEN) {
+			wpa_printf(MSG_DEBUG, "ASN.1: Too long OID value");
+			return -1;
+		}
+		if (oid->len == 0) {
+			/*
+			 * The first octet encodes the first two object
+			 * identifier components in (X*40) + Y formula.
+			 * X = 0..2.
+			 */
+			oid->oid[0] = val / 40;
+			if (oid->oid[0] > 2)
+				oid->oid[0] = 2;
+			oid->oid[1] = val - oid->oid[0] * 40;
+			oid->len = 2;
+		} else
+			oid->oid[oid->len++] = val;
+	}
+
+	return 0;
+}
+
+
+int asn1_get_oid(const u8 *buf, size_t len, struct asn1_oid *oid,
+		 const u8 **next)
+{
+	struct asn1_hdr hdr;
+
+	if (asn1_get_next(buf, len, &hdr) < 0 || hdr.length == 0)
+		return -1;
+
+	if (hdr.class != ASN1_CLASS_UNIVERSAL || hdr.tag != ASN1_TAG_OID) {
+		wpa_printf(MSG_DEBUG, "ASN.1: Expected OID - found class %d "
+			   "tag 0x%x", hdr.class, hdr.tag);
+		return -1;
+	}
+
+	*next = hdr.payload + hdr.length;
+
+	return asn1_parse_oid(hdr.payload, hdr.length, oid);
+}
+
+
+void asn1_oid_to_str(struct asn1_oid *oid, char *buf, size_t len)
+{
+	char *pos = buf;
+	size_t i;
+	int ret;
+
+	if (len == 0)
+		return;
+
+	buf[0] = '\0';
+
+	for (i = 0; i < oid->len; i++) {
+		ret = os_snprintf(pos, buf + len - pos,
+				  "%s%lu",
+				  i == 0 ? "" : ".", oid->oid[i]);
+		if (ret < 0 || ret >= buf + len - pos)
+			break;
+		pos += ret;
+	}
+	buf[len - 1] = '\0';
+}
+
+
+static u8 rotate_bits(u8 octet)
+{
+	int i;
+	u8 res;
+
+	res = 0;
+	for (i = 0; i < 8; i++) {
+		res <<= 1;
+		if (octet & 1)
+			res |= 1;
+		octet >>= 1;
+	}
+
+	return res;
+}
+
+
+unsigned long asn1_bit_string_to_long(const u8 *buf, size_t len)
+{
+	unsigned long val = 0;
+	const u8 *pos = buf;
+
+	/* BER requires that unused bits are zero, so we can ignore the number
+	 * of unused bits */
+	pos++;
+
+	if (len >= 2)
+		val |= rotate_bits(*pos++);
+	if (len >= 3)
+		val |= ((unsigned long) rotate_bits(*pos++)) << 8;
+	if (len >= 4)
+		val |= ((unsigned long) rotate_bits(*pos++)) << 16;
+	if (len >= 5)
+		val |= ((unsigned long) rotate_bits(*pos++)) << 24;
+	if (len >= 6)
+		wpa_printf(MSG_DEBUG, "X509: %s - some bits ignored "
+			   "(BIT STRING length %lu)",
+			   __func__, (unsigned long) len);
+
+	return val;
+}
diff --git a/src/tls/asn1.h b/src/tls/asn1.h
new file mode 100644
index 0000000..2ff571e
--- /dev/null
+++ b/src/tls/asn1.h
@@ -0,0 +1,72 @@
+/*
+ * ASN.1 DER parsing
+ * Copyright (c) 2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef ASN1_H
+#define ASN1_H
+
+#define ASN1_TAG_EOC		0x00 /* not used with DER */
+#define ASN1_TAG_BOOLEAN	0x01
+#define ASN1_TAG_INTEGER	0x02
+#define ASN1_TAG_BITSTRING	0x03
+#define ASN1_TAG_OCTETSTRING	0x04
+#define ASN1_TAG_NULL		0x05
+#define ASN1_TAG_OID		0x06
+#define ASN1_TAG_OBJECT_DESCRIPTOR	0x07 /* not yet parsed */
+#define ASN1_TAG_EXTERNAL	0x08 /* not yet parsed */
+#define ASN1_TAG_REAL		0x09 /* not yet parsed */
+#define ASN1_TAG_ENUMERATED	0x0A /* not yet parsed */
+#define ASN1_TAG_UTF8STRING	0x0C /* not yet parsed */
+#define ANS1_TAG_RELATIVE_OID	0x0D
+#define ASN1_TAG_SEQUENCE	0x10 /* shall be constructed */
+#define ASN1_TAG_SET		0x11
+#define ASN1_TAG_NUMERICSTRING	0x12 /* not yet parsed */
+#define ASN1_TAG_PRINTABLESTRING	0x13
+#define ASN1_TAG_TG1STRING	0x14 /* not yet parsed */
+#define ASN1_TAG_VIDEOTEXSTRING	0x15 /* not yet parsed */
+#define ASN1_TAG_IA5STRING	0x16
+#define ASN1_TAG_UTCTIME	0x17
+#define ASN1_TAG_GENERALIZEDTIME	0x18 /* not yet parsed */
+#define ASN1_TAG_GRAPHICSTRING	0x19 /* not yet parsed */
+#define ASN1_TAG_VISIBLESTRING	0x1A
+#define ASN1_TAG_GENERALSTRING	0x1B /* not yet parsed */
+#define ASN1_TAG_UNIVERSALSTRING	0x1C /* not yet parsed */
+#define ASN1_TAG_BMPSTRING	0x1D /* not yet parsed */
+
+#define ASN1_CLASS_UNIVERSAL		0
+#define ASN1_CLASS_APPLICATION		1
+#define ASN1_CLASS_CONTEXT_SPECIFIC	2
+#define ASN1_CLASS_PRIVATE		3
+
+
+struct asn1_hdr {
+	const u8 *payload;
+	u8 identifier, class, constructed;
+	unsigned int tag, length;
+};
+
+#define ASN1_MAX_OID_LEN 20
+struct asn1_oid {
+	unsigned long oid[ASN1_MAX_OID_LEN];
+	size_t len;
+};
+
+
+int asn1_get_next(const u8 *buf, size_t len, struct asn1_hdr *hdr);
+int asn1_parse_oid(const u8 *buf, size_t len, struct asn1_oid *oid);
+int asn1_get_oid(const u8 *buf, size_t len, struct asn1_oid *oid,
+		 const u8 **next);
+void asn1_oid_to_str(struct asn1_oid *oid, char *buf, size_t len);
+unsigned long asn1_bit_string_to_long(const u8 *buf, size_t len);
+
+#endif /* ASN1_H */
diff --git a/src/tls/bignum.c b/src/tls/bignum.c
new file mode 100644
index 0000000..5c0fc62
--- /dev/null
+++ b/src/tls/bignum.c
@@ -0,0 +1,230 @@
+/*
+ * Big number math
+ * Copyright (c) 2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "bignum.h"
+
+#ifdef CONFIG_INTERNAL_LIBTOMMATH
+#include "libtommath.c"
+#else /* CONFIG_INTERNAL_LIBTOMMATH */
+#include <tommath.h>
+#endif /* CONFIG_INTERNAL_LIBTOMMATH */
+
+
+/*
+ * The current version is just a wrapper for LibTomMath library, so
+ * struct bignum is just typecast to mp_int.
+ */
+
+/**
+ * bignum_init - Allocate memory for bignum
+ * Returns: Pointer to allocated bignum or %NULL on failure
+ */
+struct bignum * bignum_init(void)
+{
+	struct bignum *n = os_zalloc(sizeof(mp_int));
+	if (n == NULL)
+		return NULL;
+	if (mp_init((mp_int *) n) != MP_OKAY) {
+		os_free(n);
+		n = NULL;
+	}
+	return n;
+}
+
+
+/**
+ * bignum_deinit - Free bignum
+ * @n: Bignum from bignum_init()
+ */
+void bignum_deinit(struct bignum *n)
+{
+	if (n) {
+		mp_clear((mp_int *) n);
+		os_free(n);
+	}
+}
+
+
+/**
+ * bignum_get_unsigned_bin - Get length of bignum as an unsigned binary buffer
+ * @n: Bignum from bignum_init()
+ * Returns: Length of n if written to a binary buffer
+ */
+size_t bignum_get_unsigned_bin_len(struct bignum *n)
+{
+	return mp_unsigned_bin_size((mp_int *) n);
+}
+
+
+/**
+ * bignum_get_unsigned_bin - Set binary buffer to unsigned bignum
+ * @n: Bignum from bignum_init()
+ * @buf: Buffer for the binary number
+ * @len: Length of the buffer, can be %NULL if buffer is known to be long
+ * enough. Set to used buffer length on success if not %NULL.
+ * Returns: 0 on success, -1 on failure
+ */
+int bignum_get_unsigned_bin(const struct bignum *n, u8 *buf, size_t *len)
+{
+	size_t need = mp_unsigned_bin_size((mp_int *) n);
+	if (len && need > *len) {
+		*len = need;
+		return -1;
+	}
+	if (mp_to_unsigned_bin((mp_int *) n, buf) != MP_OKAY) {
+		wpa_printf(MSG_DEBUG, "BIGNUM: %s failed", __func__);
+		return -1;
+	}
+	if (len)
+		*len = need;
+	return 0;
+}
+
+
+/**
+ * bignum_set_unsigned_bin - Set bignum based on unsigned binary buffer
+ * @n: Bignum from bignum_init(); to be set to the given value
+ * @buf: Buffer with unsigned binary value
+ * @len: Length of buf in octets
+ * Returns: 0 on success, -1 on failure
+ */
+int bignum_set_unsigned_bin(struct bignum *n, const u8 *buf, size_t len)
+{
+	if (mp_read_unsigned_bin((mp_int *) n, (u8 *) buf, len) != MP_OKAY) {
+		wpa_printf(MSG_DEBUG, "BIGNUM: %s failed", __func__);
+		return -1;
+	}
+	return 0;
+}
+
+
+/**
+ * bignum_cmp - Signed comparison
+ * @a: Bignum from bignum_init()
+ * @b: Bignum from bignum_init()
+ * Returns: 0 on success, -1 on failure
+ */
+int bignum_cmp(const struct bignum *a, const struct bignum *b)
+{
+	return mp_cmp((mp_int *) a, (mp_int *) b);
+}
+
+
+/**
+ * bignum_cmd_d - Compare bignum to standard integer
+ * @a: Bignum from bignum_init()
+ * @b: Small integer
+ * Returns: 0 on success, -1 on failure
+ */
+int bignum_cmp_d(const struct bignum *a, unsigned long b)
+{
+	return mp_cmp_d((mp_int *) a, b);
+}
+
+
+/**
+ * bignum_add - c = a + b
+ * @a: Bignum from bignum_init()
+ * @b: Bignum from bignum_init()
+ * @c: Bignum from bignum_init(); used to store the result of a + b
+ * Returns: 0 on success, -1 on failure
+ */
+int bignum_add(const struct bignum *a, const struct bignum *b,
+	       struct bignum *c)
+{
+	if (mp_add((mp_int *) a, (mp_int *) b, (mp_int *) c) != MP_OKAY) {
+		wpa_printf(MSG_DEBUG, "BIGNUM: %s failed", __func__);
+		return -1;
+	}
+	return 0;
+}
+
+
+/**
+ * bignum_sub - c = a - b
+ * @a: Bignum from bignum_init()
+ * @b: Bignum from bignum_init()
+ * @c: Bignum from bignum_init(); used to store the result of a - b
+ * Returns: 0 on success, -1 on failure
+ */
+int bignum_sub(const struct bignum *a, const struct bignum *b,
+	       struct bignum *c)
+{
+	if (mp_sub((mp_int *) a, (mp_int *) b, (mp_int *) c) != MP_OKAY) {
+		wpa_printf(MSG_DEBUG, "BIGNUM: %s failed", __func__);
+		return -1;
+	}
+	return 0;
+}
+
+
+/**
+ * bignum_mul - c = a * b
+ * @a: Bignum from bignum_init()
+ * @b: Bignum from bignum_init()
+ * @c: Bignum from bignum_init(); used to store the result of a * b
+ * Returns: 0 on success, -1 on failure
+ */
+int bignum_mul(const struct bignum *a, const struct bignum *b,
+	       struct bignum *c)
+{
+	if (mp_mul((mp_int *) a, (mp_int *) b, (mp_int *) c) != MP_OKAY) {
+		wpa_printf(MSG_DEBUG, "BIGNUM: %s failed", __func__);
+		return -1;
+	}
+	return 0;
+}
+
+
+/**
+ * bignum_mulmod - d = a * b (mod c)
+ * @a: Bignum from bignum_init()
+ * @b: Bignum from bignum_init()
+ * @c: Bignum from bignum_init(); modulus
+ * @d: Bignum from bignum_init(); used to store the result of a * b (mod c)
+ * Returns: 0 on success, -1 on failure
+ */
+int bignum_mulmod(const struct bignum *a, const struct bignum *b,
+		  const struct bignum *c, struct bignum *d)
+{
+	if (mp_mulmod((mp_int *) a, (mp_int *) b, (mp_int *) c, (mp_int *) d)
+	    != MP_OKAY) {
+		wpa_printf(MSG_DEBUG, "BIGNUM: %s failed", __func__);
+		return -1;
+	}
+	return 0;
+}
+
+
+/**
+ * bignum_exptmod - Modular exponentiation: d = a^b (mod c)
+ * @a: Bignum from bignum_init(); base
+ * @b: Bignum from bignum_init(); exponent
+ * @c: Bignum from bignum_init(); modulus
+ * @d: Bignum from bignum_init(); used to store the result of a^b (mod c)
+ * Returns: 0 on success, -1 on failure
+ */
+int bignum_exptmod(const struct bignum *a, const struct bignum *b,
+		   const struct bignum *c, struct bignum *d)
+{
+	if (mp_exptmod((mp_int *) a, (mp_int *) b, (mp_int *) c, (mp_int *) d)
+	    != MP_OKAY) {
+		wpa_printf(MSG_DEBUG, "BIGNUM: %s failed", __func__);
+		return -1;
+	}
+	return 0;
+}
diff --git a/src/tls/bignum.h b/src/tls/bignum.h
new file mode 100644
index 0000000..f25e267
--- /dev/null
+++ b/src/tls/bignum.h
@@ -0,0 +1,38 @@
+/*
+ * Big number math
+ * Copyright (c) 2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef BIGNUM_H
+#define BIGNUM_H
+
+struct bignum;
+
+struct bignum * bignum_init(void);
+void bignum_deinit(struct bignum *n);
+size_t bignum_get_unsigned_bin_len(struct bignum *n);
+int bignum_get_unsigned_bin(const struct bignum *n, u8 *buf, size_t *len);
+int bignum_set_unsigned_bin(struct bignum *n, const u8 *buf, size_t len);
+int bignum_cmp(const struct bignum *a, const struct bignum *b);
+int bignum_cmp_d(const struct bignum *a, unsigned long b);
+int bignum_add(const struct bignum *a, const struct bignum *b,
+	       struct bignum *c);
+int bignum_sub(const struct bignum *a, const struct bignum *b,
+	       struct bignum *c);
+int bignum_mul(const struct bignum *a, const struct bignum *b,
+	       struct bignum *c);
+int bignum_mulmod(const struct bignum *a, const struct bignum *b,
+		  const struct bignum *c, struct bignum *d);
+int bignum_exptmod(const struct bignum *a, const struct bignum *b,
+		   const struct bignum *c, struct bignum *d);
+
+#endif /* BIGNUM_H */
diff --git a/src/tls/libtommath.c b/src/tls/libtommath.c
new file mode 100644
index 0000000..1374264
--- /dev/null
+++ b/src/tls/libtommath.c
@@ -0,0 +1,3381 @@
+/*
+ * Minimal code for RSA support from LibTomMath 0.41
+ * http://libtom.org/
+ * http://libtom.org/files/ltm-0.41.tar.bz2
+ * This library was released in public domain by Tom St Denis.
+ *
+ * The combination in this file may not use all of the optimized algorithms
+ * from LibTomMath and may be considerable slower than the LibTomMath with its
+ * default settings. The main purpose of having this version here is to make it
+ * easier to build bignum.c wrapper without having to install and build an
+ * external library.
+ *
+ * If CONFIG_INTERNAL_LIBTOMMATH is defined, bignum.c includes this
+ * libtommath.c file instead of using the external LibTomMath library.
+ */
+
+#ifndef CHAR_BIT
+#define CHAR_BIT 8
+#endif
+
+#define BN_MP_INVMOD_C
+#define BN_S_MP_EXPTMOD_C /* Note: #undef in tommath_superclass.h; this would
+			   * require BN_MP_EXPTMOD_FAST_C instead */
+#define BN_S_MP_MUL_DIGS_C
+#define BN_MP_INVMOD_SLOW_C
+#define BN_S_MP_SQR_C
+#define BN_S_MP_MUL_HIGH_DIGS_C /* Note: #undef in tommath_superclass.h; this
+				 * would require other than mp_reduce */
+
+#ifdef LTM_FAST
+
+/* Use faster div at the cost of about 1 kB */
+#define BN_MP_MUL_D_C
+
+/* Include faster exptmod (Montgomery) at the cost of about 2.5 kB in code */
+#define BN_MP_EXPTMOD_FAST_C
+#define BN_MP_MONTGOMERY_SETUP_C
+#define BN_FAST_MP_MONTGOMERY_REDUCE_C
+#define BN_MP_MONTGOMERY_CALC_NORMALIZATION_C
+#define BN_MP_MUL_2_C
+
+/* Include faster sqr at the cost of about 0.5 kB in code */
+#define BN_FAST_S_MP_SQR_C
+
+#else /* LTM_FAST */
+
+#define BN_MP_DIV_SMALL
+#define BN_MP_INIT_MULTI_C
+#define BN_MP_CLEAR_MULTI_C
+#define BN_MP_ABS_C
+#endif /* LTM_FAST */
+
+/* Current uses do not require support for negative exponent in exptmod, so we
+ * can save about 1.5 kB in leaving out invmod. */
+#define LTM_NO_NEG_EXP
+
+/* from tommath.h */
+
+#ifndef MIN
+   #define MIN(x,y) ((x)<(y)?(x):(y))
+#endif
+
+#ifndef MAX
+   #define MAX(x,y) ((x)>(y)?(x):(y))
+#endif
+
+#define  OPT_CAST(x)
+
+typedef unsigned long mp_digit;
+typedef u64 mp_word;
+
+#define DIGIT_BIT          28
+#define MP_28BIT
+
+
+#define XMALLOC  os_malloc
+#define XFREE    os_free
+#define XREALLOC os_realloc
+
+
+#define MP_MASK          ((((mp_digit)1)<<((mp_digit)DIGIT_BIT))-((mp_digit)1))
+
+#define MP_LT        -1   /* less than */
+#define MP_EQ         0   /* equal to */
+#define MP_GT         1   /* greater than */
+
+#define MP_ZPOS       0   /* positive integer */
+#define MP_NEG        1   /* negative */
+
+#define MP_OKAY       0   /* ok result */
+#define MP_MEM        -2  /* out of mem */
+#define MP_VAL        -3  /* invalid input */
+
+#define MP_YES        1   /* yes response */
+#define MP_NO         0   /* no response */
+
+typedef int           mp_err;
+
+/* define this to use lower memory usage routines (exptmods mostly) */
+#define MP_LOW_MEM
+
+/* default precision */
+#ifndef MP_PREC
+   #ifndef MP_LOW_MEM
+      #define MP_PREC                 32     /* default digits of precision */
+   #else
+      #define MP_PREC                 8      /* default digits of precision */
+   #endif   
+#endif
+
+/* size of comba arrays, should be at least 2 * 2**(BITS_PER_WORD - BITS_PER_DIGIT*2) */
+#define MP_WARRAY               (1 << (sizeof(mp_word) * CHAR_BIT - 2 * DIGIT_BIT + 1))
+
+/* the infamous mp_int structure */
+typedef struct  {
+    int used, alloc, sign;
+    mp_digit *dp;
+} mp_int;
+
+
+/* ---> Basic Manipulations <--- */
+#define mp_iszero(a) (((a)->used == 0) ? MP_YES : MP_NO)
+#define mp_iseven(a) (((a)->used > 0 && (((a)->dp[0] & 1) == 0)) ? MP_YES : MP_NO)
+#define mp_isodd(a)  (((a)->used > 0 && (((a)->dp[0] & 1) == 1)) ? MP_YES : MP_NO)
+
+
+/* prototypes for copied functions */
+#define s_mp_mul(a, b, c) s_mp_mul_digs(a, b, c, (a)->used + (b)->used + 1)
+static int s_mp_exptmod(mp_int * G, mp_int * X, mp_int * P, mp_int * Y, int redmode);
+static int s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs);
+static int s_mp_sqr(mp_int * a, mp_int * b);
+static int s_mp_mul_high_digs(mp_int * a, mp_int * b, mp_int * c, int digs);
+
+static int fast_s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs);
+
+#ifdef BN_MP_INIT_MULTI_C
+static int mp_init_multi(mp_int *mp, ...);
+#endif
+#ifdef BN_MP_CLEAR_MULTI_C
+static void mp_clear_multi(mp_int *mp, ...);
+#endif
+static int mp_lshd(mp_int * a, int b);
+static void mp_set(mp_int * a, mp_digit b);
+static void mp_clamp(mp_int * a);
+static void mp_exch(mp_int * a, mp_int * b);
+static void mp_rshd(mp_int * a, int b);
+static void mp_zero(mp_int * a);
+static int mp_mod_2d(mp_int * a, int b, mp_int * c);
+static int mp_div_2d(mp_int * a, int b, mp_int * c, mp_int * d);
+static int mp_init_copy(mp_int * a, mp_int * b);
+static int mp_mul_2d(mp_int * a, int b, mp_int * c);
+#ifndef LTM_NO_NEG_EXP
+static int mp_div_2(mp_int * a, mp_int * b);
+static int mp_invmod(mp_int * a, mp_int * b, mp_int * c);
+static int mp_invmod_slow(mp_int * a, mp_int * b, mp_int * c);
+#endif /* LTM_NO_NEG_EXP */
+static int mp_copy(mp_int * a, mp_int * b);
+static int mp_count_bits(mp_int * a);
+static int mp_div(mp_int * a, mp_int * b, mp_int * c, mp_int * d);
+static int mp_mod(mp_int * a, mp_int * b, mp_int * c);
+static int mp_grow(mp_int * a, int size);
+static int mp_cmp_mag(mp_int * a, mp_int * b);
+#ifdef BN_MP_ABS_C
+static int mp_abs(mp_int * a, mp_int * b);
+#endif
+static int mp_sqr(mp_int * a, mp_int * b);
+static int mp_reduce_2k_l(mp_int *a, mp_int *n, mp_int *d);
+static int mp_reduce_2k_setup_l(mp_int *a, mp_int *d);
+static int mp_2expt(mp_int * a, int b);
+static int mp_reduce_setup(mp_int * a, mp_int * b);
+static int mp_reduce(mp_int * x, mp_int * m, mp_int * mu);
+static int mp_init_size(mp_int * a, int size);
+#ifdef BN_MP_EXPTMOD_FAST_C
+static int mp_exptmod_fast (mp_int * G, mp_int * X, mp_int * P, mp_int * Y, int redmode);
+#endif /* BN_MP_EXPTMOD_FAST_C */
+#ifdef BN_FAST_S_MP_SQR_C
+static int fast_s_mp_sqr (mp_int * a, mp_int * b);
+#endif /* BN_FAST_S_MP_SQR_C */
+#ifdef BN_MP_MUL_D_C
+static int mp_mul_d (mp_int * a, mp_digit b, mp_int * c);
+#endif /* BN_MP_MUL_D_C */
+
+
+
+/* functions from bn_<func name>.c */
+
+
+/* reverse an array, used for radix code */
+static void bn_reverse (unsigned char *s, int len)
+{
+  int     ix, iy;
+  unsigned char t;
+
+  ix = 0;
+  iy = len - 1;
+  while (ix < iy) {
+    t     = s[ix];
+    s[ix] = s[iy];
+    s[iy] = t;
+    ++ix;
+    --iy;
+  }
+}
+
+
+/* low level addition, based on HAC pp.594, Algorithm 14.7 */
+static int s_mp_add (mp_int * a, mp_int * b, mp_int * c)
+{
+  mp_int *x;
+  int     olduse, res, min, max;
+
+  /* find sizes, we let |a| <= |b| which means we have to sort
+   * them.  "x" will point to the input with the most digits
+   */
+  if (a->used > b->used) {
+    min = b->used;
+    max = a->used;
+    x = a;
+  } else {
+    min = a->used;
+    max = b->used;
+    x = b;
+  }
+
+  /* init result */
+  if (c->alloc < max + 1) {
+    if ((res = mp_grow (c, max + 1)) != MP_OKAY) {
+      return res;
+    }
+  }
+
+  /* get old used digit count and set new one */
+  olduse = c->used;
+  c->used = max + 1;
+
+  {
+    register mp_digit u, *tmpa, *tmpb, *tmpc;
+    register int i;
+
+    /* alias for digit pointers */
+
+    /* first input */
+    tmpa = a->dp;
+
+    /* second input */
+    tmpb = b->dp;
+
+    /* destination */
+    tmpc = c->dp;
+
+    /* zero the carry */
+    u = 0;
+    for (i = 0; i < min; i++) {
+      /* Compute the sum at one digit, T[i] = A[i] + B[i] + U */
+      *tmpc = *tmpa++ + *tmpb++ + u;
+
+      /* U = carry bit of T[i] */
+      u = *tmpc >> ((mp_digit)DIGIT_BIT);
+
+      /* take away carry bit from T[i] */
+      *tmpc++ &= MP_MASK;
+    }
+
+    /* now copy higher words if any, that is in A+B 
+     * if A or B has more digits add those in 
+     */
+    if (min != max) {
+      for (; i < max; i++) {
+        /* T[i] = X[i] + U */
+        *tmpc = x->dp[i] + u;
+
+        /* U = carry bit of T[i] */
+        u = *tmpc >> ((mp_digit)DIGIT_BIT);
+
+        /* take away carry bit from T[i] */
+        *tmpc++ &= MP_MASK;
+      }
+    }
+
+    /* add carry */
+    *tmpc++ = u;
+
+    /* clear digits above oldused */
+    for (i = c->used; i < olduse; i++) {
+      *tmpc++ = 0;
+    }
+  }
+
+  mp_clamp (c);
+  return MP_OKAY;
+}
+
+
+/* low level subtraction (assumes |a| > |b|), HAC pp.595 Algorithm 14.9 */
+static int s_mp_sub (mp_int * a, mp_int * b, mp_int * c)
+{
+  int     olduse, res, min, max;
+
+  /* find sizes */
+  min = b->used;
+  max = a->used;
+
+  /* init result */
+  if (c->alloc < max) {
+    if ((res = mp_grow (c, max)) != MP_OKAY) {
+      return res;
+    }
+  }
+  olduse = c->used;
+  c->used = max;
+
+  {
+    register mp_digit u, *tmpa, *tmpb, *tmpc;
+    register int i;
+
+    /* alias for digit pointers */
+    tmpa = a->dp;
+    tmpb = b->dp;
+    tmpc = c->dp;
+
+    /* set carry to zero */
+    u = 0;
+    for (i = 0; i < min; i++) {
+      /* T[i] = A[i] - B[i] - U */
+      *tmpc = *tmpa++ - *tmpb++ - u;
+
+      /* U = carry bit of T[i]
+       * Note this saves performing an AND operation since
+       * if a carry does occur it will propagate all the way to the
+       * MSB.  As a result a single shift is enough to get the carry
+       */
+      u = *tmpc >> ((mp_digit)(CHAR_BIT * sizeof (mp_digit) - 1));
+
+      /* Clear carry from T[i] */
+      *tmpc++ &= MP_MASK;
+    }
+
+    /* now copy higher words if any, e.g. if A has more digits than B  */
+    for (; i < max; i++) {
+      /* T[i] = A[i] - U */
+      *tmpc = *tmpa++ - u;
+
+      /* U = carry bit of T[i] */
+      u = *tmpc >> ((mp_digit)(CHAR_BIT * sizeof (mp_digit) - 1));
+
+      /* Clear carry from T[i] */
+      *tmpc++ &= MP_MASK;
+    }
+
+    /* clear digits above used (since we may not have grown result above) */
+    for (i = c->used; i < olduse; i++) {
+      *tmpc++ = 0;
+    }
+  }
+
+  mp_clamp (c);
+  return MP_OKAY;
+}
+
+
+/* init a new mp_int */
+static int mp_init (mp_int * a)
+{
+  int i;
+
+  /* allocate memory required and clear it */
+  a->dp = OPT_CAST(mp_digit) XMALLOC (sizeof (mp_digit) * MP_PREC);
+  if (a->dp == NULL) {
+    return MP_MEM;
+  }
+
+  /* set the digits to zero */
+  for (i = 0; i < MP_PREC; i++) {
+      a->dp[i] = 0;
+  }
+
+  /* set the used to zero, allocated digits to the default precision
+   * and sign to positive */
+  a->used  = 0;
+  a->alloc = MP_PREC;
+  a->sign  = MP_ZPOS;
+
+  return MP_OKAY;
+}
+
+
+/* clear one (frees)  */
+static void mp_clear (mp_int * a)
+{
+  int i;
+
+  /* only do anything if a hasn't been freed previously */
+  if (a->dp != NULL) {
+    /* first zero the digits */
+    for (i = 0; i < a->used; i++) {
+        a->dp[i] = 0;
+    }
+
+    /* free ram */
+    XFREE(a->dp);
+
+    /* reset members to make debugging easier */
+    a->dp    = NULL;
+    a->alloc = a->used = 0;
+    a->sign  = MP_ZPOS;
+  }
+}
+
+
+/* high level addition (handles signs) */
+static int mp_add (mp_int * a, mp_int * b, mp_int * c)
+{
+  int     sa, sb, res;
+
+  /* get sign of both inputs */
+  sa = a->sign;
+  sb = b->sign;
+
+  /* handle two cases, not four */
+  if (sa == sb) {
+    /* both positive or both negative */
+    /* add their magnitudes, copy the sign */
+    c->sign = sa;
+    res = s_mp_add (a, b, c);
+  } else {
+    /* one positive, the other negative */
+    /* subtract the one with the greater magnitude from */
+    /* the one of the lesser magnitude.  The result gets */
+    /* the sign of the one with the greater magnitude. */
+    if (mp_cmp_mag (a, b) == MP_LT) {
+      c->sign = sb;
+      res = s_mp_sub (b, a, c);
+    } else {
+      c->sign = sa;
+      res = s_mp_sub (a, b, c);
+    }
+  }
+  return res;
+}
+
+
+/* high level subtraction (handles signs) */
+static int mp_sub (mp_int * a, mp_int * b, mp_int * c)
+{
+  int     sa, sb, res;
+
+  sa = a->sign;
+  sb = b->sign;
+
+  if (sa != sb) {
+    /* subtract a negative from a positive, OR */
+    /* subtract a positive from a negative. */
+    /* In either case, ADD their magnitudes, */
+    /* and use the sign of the first number. */
+    c->sign = sa;
+    res = s_mp_add (a, b, c);
+  } else {
+    /* subtract a positive from a positive, OR */
+    /* subtract a negative from a negative. */
+    /* First, take the difference between their */
+    /* magnitudes, then... */
+    if (mp_cmp_mag (a, b) != MP_LT) {
+      /* Copy the sign from the first */
+      c->sign = sa;
+      /* The first has a larger or equal magnitude */
+      res = s_mp_sub (a, b, c);
+    } else {
+      /* The result has the *opposite* sign from */
+      /* the first number. */
+      c->sign = (sa == MP_ZPOS) ? MP_NEG : MP_ZPOS;
+      /* The second has a larger magnitude */
+      res = s_mp_sub (b, a, c);
+    }
+  }
+  return res;
+}
+
+
+/* high level multiplication (handles sign) */
+static int mp_mul (mp_int * a, mp_int * b, mp_int * c)
+{
+  int     res, neg;
+  neg = (a->sign == b->sign) ? MP_ZPOS : MP_NEG;
+
+  /* use Toom-Cook? */
+#ifdef BN_MP_TOOM_MUL_C
+  if (MIN (a->used, b->used) >= TOOM_MUL_CUTOFF) {
+    res = mp_toom_mul(a, b, c);
+  } else 
+#endif
+#ifdef BN_MP_KARATSUBA_MUL_C
+  /* use Karatsuba? */
+  if (MIN (a->used, b->used) >= KARATSUBA_MUL_CUTOFF) {
+    res = mp_karatsuba_mul (a, b, c);
+  } else 
+#endif
+  {
+    /* can we use the fast multiplier?
+     *
+     * The fast multiplier can be used if the output will 
+     * have less than MP_WARRAY digits and the number of 
+     * digits won't affect carry propagation
+     */
+#ifdef BN_FAST_S_MP_MUL_DIGS_C
+    int     digs = a->used + b->used + 1;
+
+    if ((digs < MP_WARRAY) &&
+        MIN(a->used, b->used) <= 
+        (1 << ((CHAR_BIT * sizeof (mp_word)) - (2 * DIGIT_BIT)))) {
+      res = fast_s_mp_mul_digs (a, b, c, digs);
+    } else 
+#endif
+#ifdef BN_S_MP_MUL_DIGS_C
+      res = s_mp_mul (a, b, c); /* uses s_mp_mul_digs */
+#else
+#error mp_mul could fail
+      res = MP_VAL;
+#endif
+
+  }
+  c->sign = (c->used > 0) ? neg : MP_ZPOS;
+  return res;
+}
+
+
+/* d = a * b (mod c) */
+static int mp_mulmod (mp_int * a, mp_int * b, mp_int * c, mp_int * d)
+{
+  int     res;
+  mp_int  t;
+
+  if ((res = mp_init (&t)) != MP_OKAY) {
+    return res;
+  }
+
+  if ((res = mp_mul (a, b, &t)) != MP_OKAY) {
+    mp_clear (&t);
+    return res;
+  }
+  res = mp_mod (&t, c, d);
+  mp_clear (&t);
+  return res;
+}
+
+
+/* c = a mod b, 0 <= c < b */
+static int mp_mod (mp_int * a, mp_int * b, mp_int * c)
+{
+  mp_int  t;
+  int     res;
+
+  if ((res = mp_init (&t)) != MP_OKAY) {
+    return res;
+  }
+
+  if ((res = mp_div (a, b, NULL, &t)) != MP_OKAY) {
+    mp_clear (&t);
+    return res;
+  }
+
+  if (t.sign != b->sign) {
+    res = mp_add (b, &t, c);
+  } else {
+    res = MP_OKAY;
+    mp_exch (&t, c);
+  }
+
+  mp_clear (&t);
+  return res;
+}
+
+
+/* this is a shell function that calls either the normal or Montgomery
+ * exptmod functions.  Originally the call to the montgomery code was
+ * embedded in the normal function but that wasted alot of stack space
+ * for nothing (since 99% of the time the Montgomery code would be called)
+ */
+static int mp_exptmod (mp_int * G, mp_int * X, mp_int * P, mp_int * Y)
+{
+  int dr;
+
+  /* modulus P must be positive */
+  if (P->sign == MP_NEG) {
+     return MP_VAL;
+  }
+
+  /* if exponent X is negative we have to recurse */
+  if (X->sign == MP_NEG) {
+#ifdef LTM_NO_NEG_EXP
+        return MP_VAL;
+#else /* LTM_NO_NEG_EXP */
+#ifdef BN_MP_INVMOD_C
+     mp_int tmpG, tmpX;
+     int err;
+
+     /* first compute 1/G mod P */
+     if ((err = mp_init(&tmpG)) != MP_OKAY) {
+        return err;
+     }
+     if ((err = mp_invmod(G, P, &tmpG)) != MP_OKAY) {
+        mp_clear(&tmpG);
+        return err;
+     }
+
+     /* now get |X| */
+     if ((err = mp_init(&tmpX)) != MP_OKAY) {
+        mp_clear(&tmpG);
+        return err;
+     }
+     if ((err = mp_abs(X, &tmpX)) != MP_OKAY) {
+        mp_clear_multi(&tmpG, &tmpX, NULL);
+        return err;
+     }
+
+     /* and now compute (1/G)**|X| instead of G**X [X < 0] */
+     err = mp_exptmod(&tmpG, &tmpX, P, Y);
+     mp_clear_multi(&tmpG, &tmpX, NULL);
+     return err;
+#else 
+#error mp_exptmod would always fail
+     /* no invmod */
+     return MP_VAL;
+#endif
+#endif /* LTM_NO_NEG_EXP */
+  }
+
+/* modified diminished radix reduction */
+#if defined(BN_MP_REDUCE_IS_2K_L_C) && defined(BN_MP_REDUCE_2K_L_C) && defined(BN_S_MP_EXPTMOD_C)
+  if (mp_reduce_is_2k_l(P) == MP_YES) {
+     return s_mp_exptmod(G, X, P, Y, 1);
+  }
+#endif
+
+#ifdef BN_MP_DR_IS_MODULUS_C
+  /* is it a DR modulus? */
+  dr = mp_dr_is_modulus(P);
+#else
+  /* default to no */
+  dr = 0;
+#endif
+
+#ifdef BN_MP_REDUCE_IS_2K_C
+  /* if not, is it a unrestricted DR modulus? */
+  if (dr == 0) {
+     dr = mp_reduce_is_2k(P) << 1;
+  }
+#endif
+    
+  /* if the modulus is odd or dr != 0 use the montgomery method */
+#ifdef BN_MP_EXPTMOD_FAST_C
+  if (mp_isodd (P) == 1 || dr !=  0) {
+    return mp_exptmod_fast (G, X, P, Y, dr);
+  } else {
+#endif
+#ifdef BN_S_MP_EXPTMOD_C
+    /* otherwise use the generic Barrett reduction technique */
+    return s_mp_exptmod (G, X, P, Y, 0);
+#else
+#error mp_exptmod could fail
+    /* no exptmod for evens */
+    return MP_VAL;
+#endif
+#ifdef BN_MP_EXPTMOD_FAST_C
+  }
+#endif
+}
+
+
+/* compare two ints (signed)*/
+static int mp_cmp (mp_int * a, mp_int * b)
+{
+  /* compare based on sign */
+  if (a->sign != b->sign) {
+     if (a->sign == MP_NEG) {
+        return MP_LT;
+     } else {
+        return MP_GT;
+     }
+  }
+  
+  /* compare digits */
+  if (a->sign == MP_NEG) {
+     /* if negative compare opposite direction */
+     return mp_cmp_mag(b, a);
+  } else {
+     return mp_cmp_mag(a, b);
+  }
+}
+
+
+/* compare a digit */
+static int mp_cmp_d(mp_int * a, mp_digit b)
+{
+  /* compare based on sign */
+  if (a->sign == MP_NEG) {
+    return MP_LT;
+  }
+
+  /* compare based on magnitude */
+  if (a->used > 1) {
+    return MP_GT;
+  }
+
+  /* compare the only digit of a to b */
+  if (a->dp[0] > b) {
+    return MP_GT;
+  } else if (a->dp[0] < b) {
+    return MP_LT;
+  } else {
+    return MP_EQ;
+  }
+}
+
+
+#ifndef LTM_NO_NEG_EXP
+/* hac 14.61, pp608 */
+static int mp_invmod (mp_int * a, mp_int * b, mp_int * c)
+{
+  /* b cannot be negative */
+  if (b->sign == MP_NEG || mp_iszero(b) == 1) {
+    return MP_VAL;
+  }
+
+#ifdef BN_FAST_MP_INVMOD_C
+  /* if the modulus is odd we can use a faster routine instead */
+  if (mp_isodd (b) == 1) {
+    return fast_mp_invmod (a, b, c);
+  }
+#endif
+
+#ifdef BN_MP_INVMOD_SLOW_C
+  return mp_invmod_slow(a, b, c);
+#endif
+
+#ifndef BN_FAST_MP_INVMOD_C
+#ifndef BN_MP_INVMOD_SLOW_C
+#error mp_invmod would always fail
+#endif
+#endif
+  return MP_VAL;
+}
+#endif /* LTM_NO_NEG_EXP */
+
+
+/* get the size for an unsigned equivalent */
+static int mp_unsigned_bin_size (mp_int * a)
+{
+  int     size = mp_count_bits (a);
+  return (size / 8 + ((size & 7) != 0 ? 1 : 0));
+}
+
+
+#ifndef LTM_NO_NEG_EXP
+/* hac 14.61, pp608 */
+static int mp_invmod_slow (mp_int * a, mp_int * b, mp_int * c)
+{
+  mp_int  x, y, u, v, A, B, C, D;
+  int     res;
+
+  /* b cannot be negative */
+  if (b->sign == MP_NEG || mp_iszero(b) == 1) {
+    return MP_VAL;
+  }
+
+  /* init temps */
+  if ((res = mp_init_multi(&x, &y, &u, &v, 
+                           &A, &B, &C, &D, NULL)) != MP_OKAY) {
+     return res;
+  }
+
+  /* x = a, y = b */
+  if ((res = mp_mod(a, b, &x)) != MP_OKAY) {
+      goto LBL_ERR;
+  }
+  if ((res = mp_copy (b, &y)) != MP_OKAY) {
+    goto LBL_ERR;
+  }
+
+  /* 2. [modified] if x,y are both even then return an error! */
+  if (mp_iseven (&x) == 1 && mp_iseven (&y) == 1) {
+    res = MP_VAL;
+    goto LBL_ERR;
+  }
+
+  /* 3. u=x, v=y, A=1, B=0, C=0,D=1 */
+  if ((res = mp_copy (&x, &u)) != MP_OKAY) {
+    goto LBL_ERR;
+  }
+  if ((res = mp_copy (&y, &v)) != MP_OKAY) {
+    goto LBL_ERR;
+  }
+  mp_set (&A, 1);
+  mp_set (&D, 1);
+
+top:
+  /* 4.  while u is even do */
+  while (mp_iseven (&u) == 1) {
+    /* 4.1 u = u/2 */
+    if ((res = mp_div_2 (&u, &u)) != MP_OKAY) {
+      goto LBL_ERR;
+    }
+    /* 4.2 if A or B is odd then */
+    if (mp_isodd (&A) == 1 || mp_isodd (&B) == 1) {
+      /* A = (A+y)/2, B = (B-x)/2 */
+      if ((res = mp_add (&A, &y, &A)) != MP_OKAY) {
+         goto LBL_ERR;
+      }
+      if ((res = mp_sub (&B, &x, &B)) != MP_OKAY) {
+         goto LBL_ERR;
+      }
+    }
+    /* A = A/2, B = B/2 */
+    if ((res = mp_div_2 (&A, &A)) != MP_OKAY) {
+      goto LBL_ERR;
+    }
+    if ((res = mp_div_2 (&B, &B)) != MP_OKAY) {
+      goto LBL_ERR;
+    }
+  }
+
+  /* 5.  while v is even do */
+  while (mp_iseven (&v) == 1) {
+    /* 5.1 v = v/2 */
+    if ((res = mp_div_2 (&v, &v)) != MP_OKAY) {
+      goto LBL_ERR;
+    }
+    /* 5.2 if C or D is odd then */
+    if (mp_isodd (&C) == 1 || mp_isodd (&D) == 1) {
+      /* C = (C+y)/2, D = (D-x)/2 */
+      if ((res = mp_add (&C, &y, &C)) != MP_OKAY) {
+         goto LBL_ERR;
+      }
+      if ((res = mp_sub (&D, &x, &D)) != MP_OKAY) {
+         goto LBL_ERR;
+      }
+    }
+    /* C = C/2, D = D/2 */
+    if ((res = mp_div_2 (&C, &C)) != MP_OKAY) {
+      goto LBL_ERR;
+    }
+    if ((res = mp_div_2 (&D, &D)) != MP_OKAY) {
+      goto LBL_ERR;
+    }
+  }
+
+  /* 6.  if u >= v then */
+  if (mp_cmp (&u, &v) != MP_LT) {
+    /* u = u - v, A = A - C, B = B - D */
+    if ((res = mp_sub (&u, &v, &u)) != MP_OKAY) {
+      goto LBL_ERR;
+    }
+
+    if ((res = mp_sub (&A, &C, &A)) != MP_OKAY) {
+      goto LBL_ERR;
+    }
+
+    if ((res = mp_sub (&B, &D, &B)) != MP_OKAY) {
+      goto LBL_ERR;
+    }
+  } else {
+    /* v - v - u, C = C - A, D = D - B */
+    if ((res = mp_sub (&v, &u, &v)) != MP_OKAY) {
+      goto LBL_ERR;
+    }
+
+    if ((res = mp_sub (&C, &A, &C)) != MP_OKAY) {
+      goto LBL_ERR;
+    }
+
+    if ((res = mp_sub (&D, &B, &D)) != MP_OKAY) {
+      goto LBL_ERR;
+    }
+  }
+
+  /* if not zero goto step 4 */
+  if (mp_iszero (&u) == 0)
+    goto top;
+
+  /* now a = C, b = D, gcd == g*v */
+
+  /* if v != 1 then there is no inverse */
+  if (mp_cmp_d (&v, 1) != MP_EQ) {
+    res = MP_VAL;
+    goto LBL_ERR;
+  }
+
+  /* if its too low */
+  while (mp_cmp_d(&C, 0) == MP_LT) {
+      if ((res = mp_add(&C, b, &C)) != MP_OKAY) {
+         goto LBL_ERR;
+      }
+  }
+  
+  /* too big */
+  while (mp_cmp_mag(&C, b) != MP_LT) {
+      if ((res = mp_sub(&C, b, &C)) != MP_OKAY) {
+         goto LBL_ERR;
+      }
+  }
+  
+  /* C is now the inverse */
+  mp_exch (&C, c);
+  res = MP_OKAY;
+LBL_ERR:mp_clear_multi (&x, &y, &u, &v, &A, &B, &C, &D, NULL);
+  return res;
+}
+#endif /* LTM_NO_NEG_EXP */
+
+
+/* compare maginitude of two ints (unsigned) */
+static int mp_cmp_mag (mp_int * a, mp_int * b)
+{
+  int     n;
+  mp_digit *tmpa, *tmpb;
+
+  /* compare based on # of non-zero digits */
+  if (a->used > b->used) {
+    return MP_GT;
+  }
+  
+  if (a->used < b->used) {
+    return MP_LT;
+  }
+
+  /* alias for a */
+  tmpa = a->dp + (a->used - 1);
+
+  /* alias for b */
+  tmpb = b->dp + (a->used - 1);
+
+  /* compare based on digits  */
+  for (n = 0; n < a->used; ++n, --tmpa, --tmpb) {
+    if (*tmpa > *tmpb) {
+      return MP_GT;
+    }
+
+    if (*tmpa < *tmpb) {
+      return MP_LT;
+    }
+  }
+  return MP_EQ;
+}
+
+
+/* reads a unsigned char array, assumes the msb is stored first [big endian] */
+static int mp_read_unsigned_bin (mp_int * a, const unsigned char *b, int c)
+{
+  int     res;
+
+  /* make sure there are at least two digits */
+  if (a->alloc < 2) {
+     if ((res = mp_grow(a, 2)) != MP_OKAY) {
+        return res;
+     }
+  }
+
+  /* zero the int */
+  mp_zero (a);
+
+  /* read the bytes in */
+  while (c-- > 0) {
+    if ((res = mp_mul_2d (a, 8, a)) != MP_OKAY) {
+      return res;
+    }
+
+#ifndef MP_8BIT
+      a->dp[0] |= *b++;
+      a->used += 1;
+#else
+      a->dp[0] = (*b & MP_MASK);
+      a->dp[1] |= ((*b++ >> 7U) & 1);
+      a->used += 2;
+#endif
+  }
+  mp_clamp (a);
+  return MP_OKAY;
+}
+
+
+/* store in unsigned [big endian] format */
+static int mp_to_unsigned_bin (mp_int * a, unsigned char *b)
+{
+  int     x, res;
+  mp_int  t;
+
+  if ((res = mp_init_copy (&t, a)) != MP_OKAY) {
+    return res;
+  }
+
+  x = 0;
+  while (mp_iszero (&t) == 0) {
+#ifndef MP_8BIT
+      b[x++] = (unsigned char) (t.dp[0] & 255);
+#else
+      b[x++] = (unsigned char) (t.dp[0] | ((t.dp[1] & 0x01) << 7));
+#endif
+    if ((res = mp_div_2d (&t, 8, &t, NULL)) != MP_OKAY) {
+      mp_clear (&t);
+      return res;
+    }
+  }
+  bn_reverse (b, x);
+  mp_clear (&t);
+  return MP_OKAY;
+}
+
+
+/* shift right by a certain bit count (store quotient in c, optional remainder in d) */
+static int mp_div_2d (mp_int * a, int b, mp_int * c, mp_int * d)
+{
+  mp_digit D, r, rr;
+  int     x, res;
+  mp_int  t;
+
+
+  /* if the shift count is <= 0 then we do no work */
+  if (b <= 0) {
+    res = mp_copy (a, c);
+    if (d != NULL) {
+      mp_zero (d);
+    }
+    return res;
+  }
+
+  if ((res = mp_init (&t)) != MP_OKAY) {
+    return res;
+  }
+
+  /* get the remainder */
+  if (d != NULL) {
+    if ((res = mp_mod_2d (a, b, &t)) != MP_OKAY) {
+      mp_clear (&t);
+      return res;
+    }
+  }
+
+  /* copy */
+  if ((res = mp_copy (a, c)) != MP_OKAY) {
+    mp_clear (&t);
+    return res;
+  }
+
+  /* shift by as many digits in the bit count */
+  if (b >= (int)DIGIT_BIT) {
+    mp_rshd (c, b / DIGIT_BIT);
+  }
+
+  /* shift any bit count < DIGIT_BIT */
+  D = (mp_digit) (b % DIGIT_BIT);
+  if (D != 0) {
+    register mp_digit *tmpc, mask, shift;
+
+    /* mask */
+    mask = (((mp_digit)1) << D) - 1;
+
+    /* shift for lsb */
+    shift = DIGIT_BIT - D;
+
+    /* alias */
+    tmpc = c->dp + (c->used - 1);
+
+    /* carry */
+    r = 0;
+    for (x = c->used - 1; x >= 0; x--) {
+      /* get the lower  bits of this word in a temp */
+      rr = *tmpc & mask;
+
+      /* shift the current word and mix in the carry bits from the previous word */
+      *tmpc = (*tmpc >> D) | (r << shift);
+      --tmpc;
+
+      /* set the carry to the carry bits of the current word found above */
+      r = rr;
+    }
+  }
+  mp_clamp (c);
+  if (d != NULL) {
+    mp_exch (&t, d);
+  }
+  mp_clear (&t);
+  return MP_OKAY;
+}
+
+
+static int mp_init_copy (mp_int * a, mp_int * b)
+{
+  int     res;
+
+  if ((res = mp_init (a)) != MP_OKAY) {
+    return res;
+  }
+  return mp_copy (b, a);
+}
+
+
+/* set to zero */
+static void mp_zero (mp_int * a)
+{
+  int       n;
+  mp_digit *tmp;
+
+  a->sign = MP_ZPOS;
+  a->used = 0;
+
+  tmp = a->dp;
+  for (n = 0; n < a->alloc; n++) {
+     *tmp++ = 0;
+  }
+}
+
+
+/* copy, b = a */
+static int mp_copy (mp_int * a, mp_int * b)
+{
+  int     res, n;
+
+  /* if dst == src do nothing */
+  if (a == b) {
+    return MP_OKAY;
+  }
+
+  /* grow dest */
+  if (b->alloc < a->used) {
+     if ((res = mp_grow (b, a->used)) != MP_OKAY) {
+        return res;
+     }
+  }
+
+  /* zero b and copy the parameters over */
+  {
+    register mp_digit *tmpa, *tmpb;
+
+    /* pointer aliases */
+
+    /* source */
+    tmpa = a->dp;
+
+    /* destination */
+    tmpb = b->dp;
+
+    /* copy all the digits */
+    for (n = 0; n < a->used; n++) {
+      *tmpb++ = *tmpa++;
+    }
+
+    /* clear high digits */
+    for (; n < b->used; n++) {
+      *tmpb++ = 0;
+    }
+  }
+
+  /* copy used count and sign */
+  b->used = a->used;
+  b->sign = a->sign;
+  return MP_OKAY;
+}
+
+
+/* shift right a certain amount of digits */
+static void mp_rshd (mp_int * a, int b)
+{
+  int     x;
+
+  /* if b <= 0 then ignore it */
+  if (b <= 0) {
+    return;
+  }
+
+  /* if b > used then simply zero it and return */
+  if (a->used <= b) {
+    mp_zero (a);
+    return;
+  }
+
+  {
+    register mp_digit *bottom, *top;
+
+    /* shift the digits down */
+
+    /* bottom */
+    bottom = a->dp;
+
+    /* top [offset into digits] */
+    top = a->dp + b;
+
+    /* this is implemented as a sliding window where 
+     * the window is b-digits long and digits from 
+     * the top of the window are copied to the bottom
+     *
+     * e.g.
+
+     b-2 | b-1 | b0 | b1 | b2 | ... | bb |   ---->
+                 /\                   |      ---->
+                  \-------------------/      ---->
+     */
+    for (x = 0; x < (a->used - b); x++) {
+      *bottom++ = *top++;
+    }
+
+    /* zero the top digits */
+    for (; x < a->used; x++) {
+      *bottom++ = 0;
+    }
+  }
+  
+  /* remove excess digits */
+  a->used -= b;
+}
+
+
+/* swap the elements of two integers, for cases where you can't simply swap the 
+ * mp_int pointers around
+ */
+static void mp_exch (mp_int * a, mp_int * b)
+{
+  mp_int  t;
+
+  t  = *a;
+  *a = *b;
+  *b = t;
+}
+
+
+/* trim unused digits 
+ *
+ * This is used to ensure that leading zero digits are
+ * trimed and the leading "used" digit will be non-zero
+ * Typically very fast.  Also fixes the sign if there
+ * are no more leading digits
+ */
+static void mp_clamp (mp_int * a)
+{
+  /* decrease used while the most significant digit is
+   * zero.
+   */
+  while (a->used > 0 && a->dp[a->used - 1] == 0) {
+    --(a->used);
+  }
+
+  /* reset the sign flag if used == 0 */
+  if (a->used == 0) {
+    a->sign = MP_ZPOS;
+  }
+}
+
+
+/* grow as required */
+static int mp_grow (mp_int * a, int size)
+{
+  int     i;
+  mp_digit *tmp;
+
+  /* if the alloc size is smaller alloc more ram */
+  if (a->alloc < size) {
+    /* ensure there are always at least MP_PREC digits extra on top */
+    size += (MP_PREC * 2) - (size % MP_PREC);
+
+    /* reallocate the array a->dp
+     *
+     * We store the return in a temporary variable
+     * in case the operation failed we don't want
+     * to overwrite the dp member of a.
+     */
+    tmp = OPT_CAST(mp_digit) XREALLOC (a->dp, sizeof (mp_digit) * size);
+    if (tmp == NULL) {
+      /* reallocation failed but "a" is still valid [can be freed] */
+      return MP_MEM;
+    }
+
+    /* reallocation succeeded so set a->dp */
+    a->dp = tmp;
+
+    /* zero excess digits */
+    i        = a->alloc;
+    a->alloc = size;
+    for (; i < a->alloc; i++) {
+      a->dp[i] = 0;
+    }
+  }
+  return MP_OKAY;
+}
+
+
+#ifdef BN_MP_ABS_C
+/* b = |a| 
+ *
+ * Simple function copies the input and fixes the sign to positive
+ */
+static int mp_abs (mp_int * a, mp_int * b)
+{
+  int     res;
+
+  /* copy a to b */
+  if (a != b) {
+     if ((res = mp_copy (a, b)) != MP_OKAY) {
+       return res;
+     }
+  }
+
+  /* force the sign of b to positive */
+  b->sign = MP_ZPOS;
+
+  return MP_OKAY;
+}
+#endif
+
+
+/* set to a digit */
+static void mp_set (mp_int * a, mp_digit b)
+{
+  mp_zero (a);
+  a->dp[0] = b & MP_MASK;
+  a->used  = (a->dp[0] != 0) ? 1 : 0;
+}
+
+
+#ifndef LTM_NO_NEG_EXP
+/* b = a/2 */
+static int mp_div_2(mp_int * a, mp_int * b)
+{
+  int     x, res, oldused;
+
+  /* copy */
+  if (b->alloc < a->used) {
+    if ((res = mp_grow (b, a->used)) != MP_OKAY) {
+      return res;
+    }
+  }
+
+  oldused = b->used;
+  b->used = a->used;
+  {
+    register mp_digit r, rr, *tmpa, *tmpb;
+
+    /* source alias */
+    tmpa = a->dp + b->used - 1;
+
+    /* dest alias */
+    tmpb = b->dp + b->used - 1;
+
+    /* carry */
+    r = 0;
+    for (x = b->used - 1; x >= 0; x--) {
+      /* get the carry for the next iteration */
+      rr = *tmpa & 1;
+
+      /* shift the current digit, add in carry and store */
+      *tmpb-- = (*tmpa-- >> 1) | (r << (DIGIT_BIT - 1));
+
+      /* forward carry to next iteration */
+      r = rr;
+    }
+
+    /* zero excess digits */
+    tmpb = b->dp + b->used;
+    for (x = b->used; x < oldused; x++) {
+      *tmpb++ = 0;
+    }
+  }
+  b->sign = a->sign;
+  mp_clamp (b);
+  return MP_OKAY;
+}
+#endif /* LTM_NO_NEG_EXP */
+
+
+/* shift left by a certain bit count */
+static int mp_mul_2d (mp_int * a, int b, mp_int * c)
+{
+  mp_digit d;
+  int      res;
+
+  /* copy */
+  if (a != c) {
+     if ((res = mp_copy (a, c)) != MP_OKAY) {
+       return res;
+     }
+  }
+
+  if (c->alloc < (int)(c->used + b/DIGIT_BIT + 1)) {
+     if ((res = mp_grow (c, c->used + b / DIGIT_BIT + 1)) != MP_OKAY) {
+       return res;
+     }
+  }
+
+  /* shift by as many digits in the bit count */
+  if (b >= (int)DIGIT_BIT) {
+    if ((res = mp_lshd (c, b / DIGIT_BIT)) != MP_OKAY) {
+      return res;
+    }
+  }
+
+  /* shift any bit count < DIGIT_BIT */
+  d = (mp_digit) (b % DIGIT_BIT);
+  if (d != 0) {
+    register mp_digit *tmpc, shift, mask, r, rr;
+    register int x;
+
+    /* bitmask for carries */
+    mask = (((mp_digit)1) << d) - 1;
+
+    /* shift for msbs */
+    shift = DIGIT_BIT - d;
+
+    /* alias */
+    tmpc = c->dp;
+
+    /* carry */
+    r    = 0;
+    for (x = 0; x < c->used; x++) {
+      /* get the higher bits of the current word */
+      rr = (*tmpc >> shift) & mask;
+
+      /* shift the current word and OR in the carry */
+      *tmpc = ((*tmpc << d) | r) & MP_MASK;
+      ++tmpc;
+
+      /* set the carry to the carry bits of the current word */
+      r = rr;
+    }
+    
+    /* set final carry */
+    if (r != 0) {
+       c->dp[(c->used)++] = r;
+    }
+  }
+  mp_clamp (c);
+  return MP_OKAY;
+}
+
+
+#ifdef BN_MP_INIT_MULTI_C
+static int mp_init_multi(mp_int *mp, ...) 
+{
+    mp_err res = MP_OKAY;      /* Assume ok until proven otherwise */
+    int n = 0;                 /* Number of ok inits */
+    mp_int* cur_arg = mp;
+    va_list args;
+
+    va_start(args, mp);        /* init args to next argument from caller */
+    while (cur_arg != NULL) {
+        if (mp_init(cur_arg) != MP_OKAY) {
+            /* Oops - error! Back-track and mp_clear what we already
+               succeeded in init-ing, then return error.
+            */
+            va_list clean_args;
+            
+            /* end the current list */
+            va_end(args);
+            
+            /* now start cleaning up */            
+            cur_arg = mp;
+            va_start(clean_args, mp);
+            while (n--) {
+                mp_clear(cur_arg);
+                cur_arg = va_arg(clean_args, mp_int*);
+            }
+            va_end(clean_args);
+            res = MP_MEM;
+            break;
+        }
+        n++;
+        cur_arg = va_arg(args, mp_int*);
+    }
+    va_end(args);
+    return res;                /* Assumed ok, if error flagged above. */
+}
+#endif
+
+
+#ifdef BN_MP_CLEAR_MULTI_C
+static void mp_clear_multi(mp_int *mp, ...) 
+{
+    mp_int* next_mp = mp;
+    va_list args;
+    va_start(args, mp);
+    while (next_mp != NULL) {
+        mp_clear(next_mp);
+        next_mp = va_arg(args, mp_int*);
+    }
+    va_end(args);
+}
+#endif
+
+
+/* shift left a certain amount of digits */
+static int mp_lshd (mp_int * a, int b)
+{
+  int     x, res;
+
+  /* if its less than zero return */
+  if (b <= 0) {
+    return MP_OKAY;
+  }
+
+  /* grow to fit the new digits */
+  if (a->alloc < a->used + b) {
+     if ((res = mp_grow (a, a->used + b)) != MP_OKAY) {
+       return res;
+     }
+  }
+
+  {
+    register mp_digit *top, *bottom;
+
+    /* increment the used by the shift amount then copy upwards */
+    a->used += b;
+
+    /* top */
+    top = a->dp + a->used - 1;
+
+    /* base */
+    bottom = a->dp + a->used - 1 - b;
+
+    /* much like mp_rshd this is implemented using a sliding window
+     * except the window goes the otherway around.  Copying from
+     * the bottom to the top.  see bn_mp_rshd.c for more info.
+     */
+    for (x = a->used - 1; x >= b; x--) {
+      *top-- = *bottom--;
+    }
+
+    /* zero the lower digits */
+    top = a->dp;
+    for (x = 0; x < b; x++) {
+      *top++ = 0;
+    }
+  }
+  return MP_OKAY;
+}
+
+
+/* returns the number of bits in an int */
+static int mp_count_bits (mp_int * a)
+{
+  int     r;
+  mp_digit q;
+
+  /* shortcut */
+  if (a->used == 0) {
+    return 0;
+  }
+
+  /* get number of digits and add that */
+  r = (a->used - 1) * DIGIT_BIT;
+  
+  /* take the last digit and count the bits in it */
+  q = a->dp[a->used - 1];
+  while (q > ((mp_digit) 0)) {
+    ++r;
+    q >>= ((mp_digit) 1);
+  }
+  return r;
+}
+
+
+/* calc a value mod 2**b */
+static int mp_mod_2d (mp_int * a, int b, mp_int * c)
+{
+  int     x, res;
+
+  /* if b is <= 0 then zero the int */
+  if (b <= 0) {
+    mp_zero (c);
+    return MP_OKAY;
+  }
+
+  /* if the modulus is larger than the value than return */
+  if (b >= (int) (a->used * DIGIT_BIT)) {
+    res = mp_copy (a, c);
+    return res;
+  }
+
+  /* copy */
+  if ((res = mp_copy (a, c)) != MP_OKAY) {
+    return res;
+  }
+
+  /* zero digits above the last digit of the modulus */
+  for (x = (b / DIGIT_BIT) + ((b % DIGIT_BIT) == 0 ? 0 : 1); x < c->used; x++) {
+    c->dp[x] = 0;
+  }
+  /* clear the digit that is not completely outside/inside the modulus */
+  c->dp[b / DIGIT_BIT] &=
+    (mp_digit) ((((mp_digit) 1) << (((mp_digit) b) % DIGIT_BIT)) - ((mp_digit) 1));
+  mp_clamp (c);
+  return MP_OKAY;
+}
+
+
+#ifdef BN_MP_DIV_SMALL
+
+/* slower bit-bang division... also smaller */
+static int mp_div(mp_int * a, mp_int * b, mp_int * c, mp_int * d)
+{
+   mp_int ta, tb, tq, q;
+   int    res, n, n2;
+
+  /* is divisor zero ? */
+  if (mp_iszero (b) == 1) {
+    return MP_VAL;
+  }
+
+  /* if a < b then q=0, r = a */
+  if (mp_cmp_mag (a, b) == MP_LT) {
+    if (d != NULL) {
+      res = mp_copy (a, d);
+    } else {
+      res = MP_OKAY;
+    }
+    if (c != NULL) {
+      mp_zero (c);
+    }
+    return res;
+  }
+	
+  /* init our temps */
+  if ((res = mp_init_multi(&ta, &tb, &tq, &q, NULL) != MP_OKAY)) {
+     return res;
+  }
+
+
+  mp_set(&tq, 1);
+  n = mp_count_bits(a) - mp_count_bits(b);
+  if (((res = mp_abs(a, &ta)) != MP_OKAY) ||
+      ((res = mp_abs(b, &tb)) != MP_OKAY) || 
+      ((res = mp_mul_2d(&tb, n, &tb)) != MP_OKAY) ||
+      ((res = mp_mul_2d(&tq, n, &tq)) != MP_OKAY)) {
+      goto LBL_ERR;
+  }
+
+  while (n-- >= 0) {
+     if (mp_cmp(&tb, &ta) != MP_GT) {
+        if (((res = mp_sub(&ta, &tb, &ta)) != MP_OKAY) ||
+            ((res = mp_add(&q, &tq, &q)) != MP_OKAY)) {
+           goto LBL_ERR;
+        }
+     }
+     if (((res = mp_div_2d(&tb, 1, &tb, NULL)) != MP_OKAY) ||
+         ((res = mp_div_2d(&tq, 1, &tq, NULL)) != MP_OKAY)) {
+           goto LBL_ERR;
+     }
+  }
+
+  /* now q == quotient and ta == remainder */
+  n  = a->sign;
+  n2 = (a->sign == b->sign ? MP_ZPOS : MP_NEG);
+  if (c != NULL) {
+     mp_exch(c, &q);
+     c->sign  = (mp_iszero(c) == MP_YES) ? MP_ZPOS : n2;
+  }
+  if (d != NULL) {
+     mp_exch(d, &ta);
+     d->sign = (mp_iszero(d) == MP_YES) ? MP_ZPOS : n;
+  }
+LBL_ERR:
+   mp_clear_multi(&ta, &tb, &tq, &q, NULL);
+   return res;
+}
+
+#else
+
+/* integer signed division. 
+ * c*b + d == a [e.g. a/b, c=quotient, d=remainder]
+ * HAC pp.598 Algorithm 14.20
+ *
+ * Note that the description in HAC is horribly 
+ * incomplete.  For example, it doesn't consider 
+ * the case where digits are removed from 'x' in 
+ * the inner loop.  It also doesn't consider the 
+ * case that y has fewer than three digits, etc..
+ *
+ * The overall algorithm is as described as 
+ * 14.20 from HAC but fixed to treat these cases.
+*/
+static int mp_div (mp_int * a, mp_int * b, mp_int * c, mp_int * d)
+{
+  mp_int  q, x, y, t1, t2;
+  int     res, n, t, i, norm, neg;
+
+  /* is divisor zero ? */
+  if (mp_iszero (b) == 1) {
+    return MP_VAL;
+  }
+
+  /* if a < b then q=0, r = a */
+  if (mp_cmp_mag (a, b) == MP_LT) {
+    if (d != NULL) {
+      res = mp_copy (a, d);
+    } else {
+      res = MP_OKAY;
+    }
+    if (c != NULL) {
+      mp_zero (c);
+    }
+    return res;
+  }
+
+  if ((res = mp_init_size (&q, a->used + 2)) != MP_OKAY) {
+    return res;
+  }
+  q.used = a->used + 2;
+
+  if ((res = mp_init (&t1)) != MP_OKAY) {
+    goto LBL_Q;
+  }
+
+  if ((res = mp_init (&t2)) != MP_OKAY) {
+    goto LBL_T1;
+  }
+
+  if ((res = mp_init_copy (&x, a)) != MP_OKAY) {
+    goto LBL_T2;
+  }
+
+  if ((res = mp_init_copy (&y, b)) != MP_OKAY) {
+    goto LBL_X;
+  }
+
+  /* fix the sign */
+  neg = (a->sign == b->sign) ? MP_ZPOS : MP_NEG;
+  x.sign = y.sign = MP_ZPOS;
+
+  /* normalize both x and y, ensure that y >= b/2, [b == 2**DIGIT_BIT] */
+  norm = mp_count_bits(&y) % DIGIT_BIT;
+  if (norm < (int)(DIGIT_BIT-1)) {
+     norm = (DIGIT_BIT-1) - norm;
+     if ((res = mp_mul_2d (&x, norm, &x)) != MP_OKAY) {
+       goto LBL_Y;
+     }
+     if ((res = mp_mul_2d (&y, norm, &y)) != MP_OKAY) {
+       goto LBL_Y;
+     }
+  } else {
+     norm = 0;
+  }
+
+  /* note hac does 0 based, so if used==5 then its 0,1,2,3,4, e.g. use 4 */
+  n = x.used - 1;
+  t = y.used - 1;
+
+  /* while (x >= y*b**n-t) do { q[n-t] += 1; x -= y*b**{n-t} } */
+  if ((res = mp_lshd (&y, n - t)) != MP_OKAY) { /* y = y*b**{n-t} */
+    goto LBL_Y;
+  }
+
+  while (mp_cmp (&x, &y) != MP_LT) {
+    ++(q.dp[n - t]);
+    if ((res = mp_sub (&x, &y, &x)) != MP_OKAY) {
+      goto LBL_Y;
+    }
+  }
+
+  /* reset y by shifting it back down */
+  mp_rshd (&y, n - t);
+
+  /* step 3. for i from n down to (t + 1) */
+  for (i = n; i >= (t + 1); i--) {
+    if (i > x.used) {
+      continue;
+    }
+
+    /* step 3.1 if xi == yt then set q{i-t-1} to b-1, 
+     * otherwise set q{i-t-1} to (xi*b + x{i-1})/yt */
+    if (x.dp[i] == y.dp[t]) {
+      q.dp[i - t - 1] = ((((mp_digit)1) << DIGIT_BIT) - 1);
+    } else {
+      mp_word tmp;
+      tmp = ((mp_word) x.dp[i]) << ((mp_word) DIGIT_BIT);
+      tmp |= ((mp_word) x.dp[i - 1]);
+      tmp /= ((mp_word) y.dp[t]);
+      if (tmp > (mp_word) MP_MASK)
+        tmp = MP_MASK;
+      q.dp[i - t - 1] = (mp_digit) (tmp & (mp_word) (MP_MASK));
+    }
+
+    /* while (q{i-t-1} * (yt * b + y{t-1})) > 
+             xi * b**2 + xi-1 * b + xi-2 
+     
+       do q{i-t-1} -= 1; 
+    */
+    q.dp[i - t - 1] = (q.dp[i - t - 1] + 1) & MP_MASK;
+    do {
+      q.dp[i - t - 1] = (q.dp[i - t - 1] - 1) & MP_MASK;
+
+      /* find left hand */
+      mp_zero (&t1);
+      t1.dp[0] = (t - 1 < 0) ? 0 : y.dp[t - 1];
+      t1.dp[1] = y.dp[t];
+      t1.used = 2;
+      if ((res = mp_mul_d (&t1, q.dp[i - t - 1], &t1)) != MP_OKAY) {
+        goto LBL_Y;
+      }
+
+      /* find right hand */
+      t2.dp[0] = (i - 2 < 0) ? 0 : x.dp[i - 2];
+      t2.dp[1] = (i - 1 < 0) ? 0 : x.dp[i - 1];
+      t2.dp[2] = x.dp[i];
+      t2.used = 3;
+    } while (mp_cmp_mag(&t1, &t2) == MP_GT);
+
+    /* step 3.3 x = x - q{i-t-1} * y * b**{i-t-1} */
+    if ((res = mp_mul_d (&y, q.dp[i - t - 1], &t1)) != MP_OKAY) {
+      goto LBL_Y;
+    }
+
+    if ((res = mp_lshd (&t1, i - t - 1)) != MP_OKAY) {
+      goto LBL_Y;
+    }
+
+    if ((res = mp_sub (&x, &t1, &x)) != MP_OKAY) {
+      goto LBL_Y;
+    }
+
+    /* if x < 0 then { x = x + y*b**{i-t-1}; q{i-t-1} -= 1; } */
+    if (x.sign == MP_NEG) {
+      if ((res = mp_copy (&y, &t1)) != MP_OKAY) {
+        goto LBL_Y;
+      }
+      if ((res = mp_lshd (&t1, i - t - 1)) != MP_OKAY) {
+        goto LBL_Y;
+      }
+      if ((res = mp_add (&x, &t1, &x)) != MP_OKAY) {
+        goto LBL_Y;
+      }
+
+      q.dp[i - t - 1] = (q.dp[i - t - 1] - 1UL) & MP_MASK;
+    }
+  }
+
+  /* now q is the quotient and x is the remainder 
+   * [which we have to normalize] 
+   */
+  
+  /* get sign before writing to c */
+  x.sign = x.used == 0 ? MP_ZPOS : a->sign;
+
+  if (c != NULL) {
+    mp_clamp (&q);
+    mp_exch (&q, c);
+    c->sign = neg;
+  }
+
+  if (d != NULL) {
+    mp_div_2d (&x, norm, &x, NULL);
+    mp_exch (&x, d);
+  }
+
+  res = MP_OKAY;
+
+LBL_Y:mp_clear (&y);
+LBL_X:mp_clear (&x);
+LBL_T2:mp_clear (&t2);
+LBL_T1:mp_clear (&t1);
+LBL_Q:mp_clear (&q);
+  return res;
+}
+
+#endif
+
+
+#ifdef MP_LOW_MEM
+   #define TAB_SIZE 32
+#else
+   #define TAB_SIZE 256
+#endif
+
+static int s_mp_exptmod (mp_int * G, mp_int * X, mp_int * P, mp_int * Y, int redmode)
+{
+  mp_int  M[TAB_SIZE], res, mu;
+  mp_digit buf;
+  int     err, bitbuf, bitcpy, bitcnt, mode, digidx, x, y, winsize;
+  int (*redux)(mp_int*,mp_int*,mp_int*);
+
+  /* find window size */
+  x = mp_count_bits (X);
+  if (x <= 7) {
+    winsize = 2;
+  } else if (x <= 36) {
+    winsize = 3;
+  } else if (x <= 140) {
+    winsize = 4;
+  } else if (x <= 450) {
+    winsize = 5;
+  } else if (x <= 1303) {
+    winsize = 6;
+  } else if (x <= 3529) {
+    winsize = 7;
+  } else {
+    winsize = 8;
+  }
+
+#ifdef MP_LOW_MEM
+    if (winsize > 5) {
+       winsize = 5;
+    }
+#endif
+
+  /* init M array */
+  /* init first cell */
+  if ((err = mp_init(&M[1])) != MP_OKAY) {
+     return err; 
+  }
+
+  /* now init the second half of the array */
+  for (x = 1<<(winsize-1); x < (1 << winsize); x++) {
+    if ((err = mp_init(&M[x])) != MP_OKAY) {
+      for (y = 1<<(winsize-1); y < x; y++) {
+        mp_clear (&M[y]);
+      }
+      mp_clear(&M[1]);
+      return err;
+    }
+  }
+
+  /* create mu, used for Barrett reduction */
+  if ((err = mp_init (&mu)) != MP_OKAY) {
+    goto LBL_M;
+  }
+  
+  if (redmode == 0) {
+     if ((err = mp_reduce_setup (&mu, P)) != MP_OKAY) {
+        goto LBL_MU;
+     }
+     redux = mp_reduce;
+  } else {
+     if ((err = mp_reduce_2k_setup_l (P, &mu)) != MP_OKAY) {
+        goto LBL_MU;
+     }
+     redux = mp_reduce_2k_l;
+  }    
+
+  /* create M table
+   *
+   * The M table contains powers of the base, 
+   * e.g. M[x] = G**x mod P
+   *
+   * The first half of the table is not 
+   * computed though accept for M[0] and M[1]
+   */
+  if ((err = mp_mod (G, P, &M[1])) != MP_OKAY) {
+    goto LBL_MU;
+  }
+
+  /* compute the value at M[1<<(winsize-1)] by squaring 
+   * M[1] (winsize-1) times 
+   */
+  if ((err = mp_copy (&M[1], &M[1 << (winsize - 1)])) != MP_OKAY) {
+    goto LBL_MU;
+  }
+
+  for (x = 0; x < (winsize - 1); x++) {
+    /* square it */
+    if ((err = mp_sqr (&M[1 << (winsize - 1)], 
+                       &M[1 << (winsize - 1)])) != MP_OKAY) {
+      goto LBL_MU;
+    }
+
+    /* reduce modulo P */
+    if ((err = redux (&M[1 << (winsize - 1)], P, &mu)) != MP_OKAY) {
+      goto LBL_MU;
+    }
+  }
+
+  /* create upper table, that is M[x] = M[x-1] * M[1] (mod P)
+   * for x = (2**(winsize - 1) + 1) to (2**winsize - 1)
+   */
+  for (x = (1 << (winsize - 1)) + 1; x < (1 << winsize); x++) {
+    if ((err = mp_mul (&M[x - 1], &M[1], &M[x])) != MP_OKAY) {
+      goto LBL_MU;
+    }
+    if ((err = redux (&M[x], P, &mu)) != MP_OKAY) {
+      goto LBL_MU;
+    }
+  }
+
+  /* setup result */
+  if ((err = mp_init (&res)) != MP_OKAY) {
+    goto LBL_MU;
+  }
+  mp_set (&res, 1);
+
+  /* set initial mode and bit cnt */
+  mode   = 0;
+  bitcnt = 1;
+  buf    = 0;
+  digidx = X->used - 1;
+  bitcpy = 0;
+  bitbuf = 0;
+
+  for (;;) {
+    /* grab next digit as required */
+    if (--bitcnt == 0) {
+      /* if digidx == -1 we are out of digits */
+      if (digidx == -1) {
+        break;
+      }
+      /* read next digit and reset the bitcnt */
+      buf    = X->dp[digidx--];
+      bitcnt = (int) DIGIT_BIT;
+    }
+
+    /* grab the next msb from the exponent */
+    y     = (buf >> (mp_digit)(DIGIT_BIT - 1)) & 1;
+    buf <<= (mp_digit)1;
+
+    /* if the bit is zero and mode == 0 then we ignore it
+     * These represent the leading zero bits before the first 1 bit
+     * in the exponent.  Technically this opt is not required but it
+     * does lower the # of trivial squaring/reductions used
+     */
+    if (mode == 0 && y == 0) {
+      continue;
+    }
+
+    /* if the bit is zero and mode == 1 then we square */
+    if (mode == 1 && y == 0) {
+      if ((err = mp_sqr (&res, &res)) != MP_OKAY) {
+        goto LBL_RES;
+      }
+      if ((err = redux (&res, P, &mu)) != MP_OKAY) {
+        goto LBL_RES;
+      }
+      continue;
+    }
+
+    /* else we add it to the window */
+    bitbuf |= (y << (winsize - ++bitcpy));
+    mode    = 2;
+
+    if (bitcpy == winsize) {
+      /* ok window is filled so square as required and multiply  */
+      /* square first */
+      for (x = 0; x < winsize; x++) {
+        if ((err = mp_sqr (&res, &res)) != MP_OKAY) {
+          goto LBL_RES;
+        }
+        if ((err = redux (&res, P, &mu)) != MP_OKAY) {
+          goto LBL_RES;
+        }
+      }
+
+      /* then multiply */
+      if ((err = mp_mul (&res, &M[bitbuf], &res)) != MP_OKAY) {
+        goto LBL_RES;
+      }
+      if ((err = redux (&res, P, &mu)) != MP_OKAY) {
+        goto LBL_RES;
+      }
+
+      /* empty window and reset */
+      bitcpy = 0;
+      bitbuf = 0;
+      mode   = 1;
+    }
+  }
+
+  /* if bits remain then square/multiply */
+  if (mode == 2 && bitcpy > 0) {
+    /* square then multiply if the bit is set */
+    for (x = 0; x < bitcpy; x++) {
+      if ((err = mp_sqr (&res, &res)) != MP_OKAY) {
+        goto LBL_RES;
+      }
+      if ((err = redux (&res, P, &mu)) != MP_OKAY) {
+        goto LBL_RES;
+      }
+
+      bitbuf <<= 1;
+      if ((bitbuf & (1 << winsize)) != 0) {
+        /* then multiply */
+        if ((err = mp_mul (&res, &M[1], &res)) != MP_OKAY) {
+          goto LBL_RES;
+        }
+        if ((err = redux (&res, P, &mu)) != MP_OKAY) {
+          goto LBL_RES;
+        }
+      }
+    }
+  }
+
+  mp_exch (&res, Y);
+  err = MP_OKAY;
+LBL_RES:mp_clear (&res);
+LBL_MU:mp_clear (&mu);
+LBL_M:
+  mp_clear(&M[1]);
+  for (x = 1<<(winsize-1); x < (1 << winsize); x++) {
+    mp_clear (&M[x]);
+  }
+  return err;
+}
+
+
+/* computes b = a*a */
+static int mp_sqr (mp_int * a, mp_int * b)
+{
+  int     res;
+
+#ifdef BN_MP_TOOM_SQR_C
+  /* use Toom-Cook? */
+  if (a->used >= TOOM_SQR_CUTOFF) {
+    res = mp_toom_sqr(a, b);
+  /* Karatsuba? */
+  } else 
+#endif
+#ifdef BN_MP_KARATSUBA_SQR_C
+if (a->used >= KARATSUBA_SQR_CUTOFF) {
+    res = mp_karatsuba_sqr (a, b);
+  } else 
+#endif
+  {
+#ifdef BN_FAST_S_MP_SQR_C
+    /* can we use the fast comba multiplier? */
+    if ((a->used * 2 + 1) < MP_WARRAY && 
+         a->used < 
+         (1 << (sizeof(mp_word) * CHAR_BIT - 2*DIGIT_BIT - 1))) {
+      res = fast_s_mp_sqr (a, b);
+    } else
+#endif
+#ifdef BN_S_MP_SQR_C
+      res = s_mp_sqr (a, b);
+#else
+#error mp_sqr could fail
+      res = MP_VAL;
+#endif
+  }
+  b->sign = MP_ZPOS;
+  return res;
+}
+
+
+/* reduces a modulo n where n is of the form 2**p - d 
+   This differs from reduce_2k since "d" can be larger
+   than a single digit.
+*/
+static int mp_reduce_2k_l(mp_int *a, mp_int *n, mp_int *d)
+{
+   mp_int q;
+   int    p, res;
+   
+   if ((res = mp_init(&q)) != MP_OKAY) {
+      return res;
+   }
+   
+   p = mp_count_bits(n);    
+top:
+   /* q = a/2**p, a = a mod 2**p */
+   if ((res = mp_div_2d(a, p, &q, a)) != MP_OKAY) {
+      goto ERR;
+   }
+   
+   /* q = q * d */
+   if ((res = mp_mul(&q, d, &q)) != MP_OKAY) { 
+      goto ERR;
+   }
+   
+   /* a = a + q */
+   if ((res = s_mp_add(a, &q, a)) != MP_OKAY) {
+      goto ERR;
+   }
+   
+   if (mp_cmp_mag(a, n) != MP_LT) {
+      s_mp_sub(a, n, a);
+      goto top;
+   }
+   
+ERR:
+   mp_clear(&q);
+   return res;
+}
+
+
+/* determines the setup value */
+static int mp_reduce_2k_setup_l(mp_int *a, mp_int *d)
+{
+   int    res;
+   mp_int tmp;
+   
+   if ((res = mp_init(&tmp)) != MP_OKAY) {
+      return res;
+   }
+   
+   if ((res = mp_2expt(&tmp, mp_count_bits(a))) != MP_OKAY) {
+      goto ERR;
+   }
+   
+   if ((res = s_mp_sub(&tmp, a, d)) != MP_OKAY) {
+      goto ERR;
+   }
+   
+ERR:
+   mp_clear(&tmp);
+   return res;
+}
+
+
+/* computes a = 2**b 
+ *
+ * Simple algorithm which zeroes the int, grows it then just sets one bit
+ * as required.
+ */
+static int mp_2expt (mp_int * a, int b)
+{
+  int     res;
+
+  /* zero a as per default */
+  mp_zero (a);
+
+  /* grow a to accomodate the single bit */
+  if ((res = mp_grow (a, b / DIGIT_BIT + 1)) != MP_OKAY) {
+    return res;
+  }
+
+  /* set the used count of where the bit will go */
+  a->used = b / DIGIT_BIT + 1;
+
+  /* put the single bit in its place */
+  a->dp[b / DIGIT_BIT] = ((mp_digit)1) << (b % DIGIT_BIT);
+
+  return MP_OKAY;
+}
+
+
+/* pre-calculate the value required for Barrett reduction
+ * For a given modulus "b" it calulates the value required in "a"
+ */
+static int mp_reduce_setup (mp_int * a, mp_int * b)
+{
+  int     res;
+  
+  if ((res = mp_2expt (a, b->used * 2 * DIGIT_BIT)) != MP_OKAY) {
+    return res;
+  }
+  return mp_div (a, b, a, NULL);
+}
+
+
+/* reduces x mod m, assumes 0 < x < m**2, mu is 
+ * precomputed via mp_reduce_setup.
+ * From HAC pp.604 Algorithm 14.42
+ */
+static int mp_reduce (mp_int * x, mp_int * m, mp_int * mu)
+{
+  mp_int  q;
+  int     res, um = m->used;
+
+  /* q = x */
+  if ((res = mp_init_copy (&q, x)) != MP_OKAY) {
+    return res;
+  }
+
+  /* q1 = x / b**(k-1)  */
+  mp_rshd (&q, um - 1);         
+
+  /* according to HAC this optimization is ok */
+  if (((unsigned long) um) > (((mp_digit)1) << (DIGIT_BIT - 1))) {
+    if ((res = mp_mul (&q, mu, &q)) != MP_OKAY) {
+      goto CLEANUP;
+    }
+  } else {
+#ifdef BN_S_MP_MUL_HIGH_DIGS_C
+    if ((res = s_mp_mul_high_digs (&q, mu, &q, um)) != MP_OKAY) {
+      goto CLEANUP;
+    }
+#elif defined(BN_FAST_S_MP_MUL_HIGH_DIGS_C)
+    if ((res = fast_s_mp_mul_high_digs (&q, mu, &q, um)) != MP_OKAY) {
+      goto CLEANUP;
+    }
+#else 
+    { 
+#error mp_reduce would always fail
+      res = MP_VAL;
+      goto CLEANUP;
+    }
+#endif
+  }
+
+  /* q3 = q2 / b**(k+1) */
+  mp_rshd (&q, um + 1);         
+
+  /* x = x mod b**(k+1), quick (no division) */
+  if ((res = mp_mod_2d (x, DIGIT_BIT * (um + 1), x)) != MP_OKAY) {
+    goto CLEANUP;
+  }
+
+  /* q = q * m mod b**(k+1), quick (no division) */
+  if ((res = s_mp_mul_digs (&q, m, &q, um + 1)) != MP_OKAY) {
+    goto CLEANUP;
+  }
+
+  /* x = x - q */
+  if ((res = mp_sub (x, &q, x)) != MP_OKAY) {
+    goto CLEANUP;
+  }
+
+  /* If x < 0, add b**(k+1) to it */
+  if (mp_cmp_d (x, 0) == MP_LT) {
+    mp_set (&q, 1);
+    if ((res = mp_lshd (&q, um + 1)) != MP_OKAY) {
+      goto CLEANUP;
+    }
+    if ((res = mp_add (x, &q, x)) != MP_OKAY) {
+      goto CLEANUP;
+    }
+  }
+
+  /* Back off if it's too big */
+  while (mp_cmp (x, m) != MP_LT) {
+    if ((res = s_mp_sub (x, m, x)) != MP_OKAY) {
+      goto CLEANUP;
+    }
+  }
+  
+CLEANUP:
+  mp_clear (&q);
+
+  return res;
+}
+
+
+/* multiplies |a| * |b| and only computes upto digs digits of result
+ * HAC pp. 595, Algorithm 14.12  Modified so you can control how 
+ * many digits of output are created.
+ */
+static int s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs)
+{
+  mp_int  t;
+  int     res, pa, pb, ix, iy;
+  mp_digit u;
+  mp_word r;
+  mp_digit tmpx, *tmpt, *tmpy;
+
+  /* can we use the fast multiplier? */
+  if (((digs) < MP_WARRAY) &&
+      MIN (a->used, b->used) < 
+          (1 << ((CHAR_BIT * sizeof (mp_word)) - (2 * DIGIT_BIT)))) {
+    return fast_s_mp_mul_digs (a, b, c, digs);
+  }
+
+  if ((res = mp_init_size (&t, digs)) != MP_OKAY) {
+    return res;
+  }
+  t.used = digs;
+
+  /* compute the digits of the product directly */
+  pa = a->used;
+  for (ix = 0; ix < pa; ix++) {
+    /* set the carry to zero */
+    u = 0;
+
+    /* limit ourselves to making digs digits of output */
+    pb = MIN (b->used, digs - ix);
+
+    /* setup some aliases */
+    /* copy of the digit from a used within the nested loop */
+    tmpx = a->dp[ix];
+    
+    /* an alias for the destination shifted ix places */
+    tmpt = t.dp + ix;
+    
+    /* an alias for the digits of b */
+    tmpy = b->dp;
+
+    /* compute the columns of the output and propagate the carry */
+    for (iy = 0; iy < pb; iy++) {
+      /* compute the column as a mp_word */
+      r       = ((mp_word)*tmpt) +
+                ((mp_word)tmpx) * ((mp_word)*tmpy++) +
+                ((mp_word) u);
+
+      /* the new column is the lower part of the result */
+      *tmpt++ = (mp_digit) (r & ((mp_word) MP_MASK));
+
+      /* get the carry word from the result */
+      u       = (mp_digit) (r >> ((mp_word) DIGIT_BIT));
+    }
+    /* set carry if it is placed below digs */
+    if (ix + iy < digs) {
+      *tmpt = u;
+    }
+  }
+
+  mp_clamp (&t);
+  mp_exch (&t, c);
+
+  mp_clear (&t);
+  return MP_OKAY;
+}
+
+
+/* Fast (comba) multiplier
+ *
+ * This is the fast column-array [comba] multiplier.  It is 
+ * designed to compute the columns of the product first 
+ * then handle the carries afterwards.  This has the effect 
+ * of making the nested loops that compute the columns very
+ * simple and schedulable on super-scalar processors.
+ *
+ * This has been modified to produce a variable number of 
+ * digits of output so if say only a half-product is required 
+ * you don't have to compute the upper half (a feature 
+ * required for fast Barrett reduction).
+ *
+ * Based on Algorithm 14.12 on pp.595 of HAC.
+ *
+ */
+static int fast_s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs)
+{
+  int     olduse, res, pa, ix, iz;
+  mp_digit W[MP_WARRAY];
+  register mp_word  _W;
+
+  /* grow the destination as required */
+  if (c->alloc < digs) {
+    if ((res = mp_grow (c, digs)) != MP_OKAY) {
+      return res;
+    }
+  }
+
+  /* number of output digits to produce */
+  pa = MIN(digs, a->used + b->used);
+
+  /* clear the carry */
+  _W = 0;
+  for (ix = 0; ix < pa; ix++) { 
+      int      tx, ty;
+      int      iy;
+      mp_digit *tmpx, *tmpy;
+
+      /* get offsets into the two bignums */
+      ty = MIN(b->used-1, ix);
+      tx = ix - ty;
+
+      /* setup temp aliases */
+      tmpx = a->dp + tx;
+      tmpy = b->dp + ty;
+
+      /* this is the number of times the loop will iterrate, essentially 
+         while (tx++ < a->used && ty-- >= 0) { ... }
+       */
+      iy = MIN(a->used-tx, ty+1);
+
+      /* execute loop */
+      for (iz = 0; iz < iy; ++iz) {
+         _W += ((mp_word)*tmpx++)*((mp_word)*tmpy--);
+
+      }
+
+      /* store term */
+      W[ix] = ((mp_digit)_W) & MP_MASK;
+
+      /* make next carry */
+      _W = _W >> ((mp_word)DIGIT_BIT);
+ }
+
+  /* setup dest */
+  olduse  = c->used;
+  c->used = pa;
+
+  {
+    register mp_digit *tmpc;
+    tmpc = c->dp;
+    for (ix = 0; ix < pa+1; ix++) {
+      /* now extract the previous digit [below the carry] */
+      *tmpc++ = W[ix];
+    }
+
+    /* clear unused digits [that existed in the old copy of c] */
+    for (; ix < olduse; ix++) {
+      *tmpc++ = 0;
+    }
+  }
+  mp_clamp (c);
+  return MP_OKAY;
+}
+
+
+/* init an mp_init for a given size */
+static int mp_init_size (mp_int * a, int size)
+{
+  int x;
+
+  /* pad size so there are always extra digits */
+  size += (MP_PREC * 2) - (size % MP_PREC);	
+  
+  /* alloc mem */
+  a->dp = OPT_CAST(mp_digit) XMALLOC (sizeof (mp_digit) * size);
+  if (a->dp == NULL) {
+    return MP_MEM;
+  }
+
+  /* set the members */
+  a->used  = 0;
+  a->alloc = size;
+  a->sign  = MP_ZPOS;
+
+  /* zero the digits */
+  for (x = 0; x < size; x++) {
+      a->dp[x] = 0;
+  }
+
+  return MP_OKAY;
+}
+
+
+/* low level squaring, b = a*a, HAC pp.596-597, Algorithm 14.16 */
+static int s_mp_sqr (mp_int * a, mp_int * b)
+{
+  mp_int  t;
+  int     res, ix, iy, pa;
+  mp_word r;
+  mp_digit u, tmpx, *tmpt;
+
+  pa = a->used;
+  if ((res = mp_init_size (&t, 2*pa + 1)) != MP_OKAY) {
+    return res;
+  }
+
+  /* default used is maximum possible size */
+  t.used = 2*pa + 1;
+
+  for (ix = 0; ix < pa; ix++) {
+    /* first calculate the digit at 2*ix */
+    /* calculate double precision result */
+    r = ((mp_word) t.dp[2*ix]) +
+        ((mp_word)a->dp[ix])*((mp_word)a->dp[ix]);
+
+    /* store lower part in result */
+    t.dp[ix+ix] = (mp_digit) (r & ((mp_word) MP_MASK));
+
+    /* get the carry */
+    u           = (mp_digit)(r >> ((mp_word) DIGIT_BIT));
+
+    /* left hand side of A[ix] * A[iy] */
+    tmpx        = a->dp[ix];
+
+    /* alias for where to store the results */
+    tmpt        = t.dp + (2*ix + 1);
+    
+    for (iy = ix + 1; iy < pa; iy++) {
+      /* first calculate the product */
+      r       = ((mp_word)tmpx) * ((mp_word)a->dp[iy]);
+
+      /* now calculate the double precision result, note we use
+       * addition instead of *2 since it's easier to optimize
+       */
+      r       = ((mp_word) *tmpt) + r + r + ((mp_word) u);
+
+      /* store lower part */
+      *tmpt++ = (mp_digit) (r & ((mp_word) MP_MASK));
+
+      /* get carry */
+      u       = (mp_digit)(r >> ((mp_word) DIGIT_BIT));
+    }
+    /* propagate upwards */
+    while (u != ((mp_digit) 0)) {
+      r       = ((mp_word) *tmpt) + ((mp_word) u);
+      *tmpt++ = (mp_digit) (r & ((mp_word) MP_MASK));
+      u       = (mp_digit)(r >> ((mp_word) DIGIT_BIT));
+    }
+  }
+
+  mp_clamp (&t);
+  mp_exch (&t, b);
+  mp_clear (&t);
+  return MP_OKAY;
+}
+
+
+/* multiplies |a| * |b| and does not compute the lower digs digits
+ * [meant to get the higher part of the product]
+ */
+static int s_mp_mul_high_digs (mp_int * a, mp_int * b, mp_int * c, int digs)
+{
+  mp_int  t;
+  int     res, pa, pb, ix, iy;
+  mp_digit u;
+  mp_word r;
+  mp_digit tmpx, *tmpt, *tmpy;
+
+  /* can we use the fast multiplier? */
+#ifdef BN_FAST_S_MP_MUL_HIGH_DIGS_C
+  if (((a->used + b->used + 1) < MP_WARRAY)
+      && MIN (a->used, b->used) < (1 << ((CHAR_BIT * sizeof (mp_word)) - (2 * DIGIT_BIT)))) {
+    return fast_s_mp_mul_high_digs (a, b, c, digs);
+  }
+#endif
+
+  if ((res = mp_init_size (&t, a->used + b->used + 1)) != MP_OKAY) {
+    return res;
+  }
+  t.used = a->used + b->used + 1;
+
+  pa = a->used;
+  pb = b->used;
+  for (ix = 0; ix < pa; ix++) {
+    /* clear the carry */
+    u = 0;
+
+    /* left hand side of A[ix] * B[iy] */
+    tmpx = a->dp[ix];
+
+    /* alias to the address of where the digits will be stored */
+    tmpt = &(t.dp[digs]);
+
+    /* alias for where to read the right hand side from */
+    tmpy = b->dp + (digs - ix);
+
+    for (iy = digs - ix; iy < pb; iy++) {
+      /* calculate the double precision result */
+      r       = ((mp_word)*tmpt) +
+                ((mp_word)tmpx) * ((mp_word)*tmpy++) +
+                ((mp_word) u);
+
+      /* get the lower part */
+      *tmpt++ = (mp_digit) (r & ((mp_word) MP_MASK));
+
+      /* carry the carry */
+      u       = (mp_digit) (r >> ((mp_word) DIGIT_BIT));
+    }
+    *tmpt = u;
+  }
+  mp_clamp (&t);
+  mp_exch (&t, c);
+  mp_clear (&t);
+  return MP_OKAY;
+}
+
+
+#ifdef BN_MP_MONTGOMERY_SETUP_C
+/* setups the montgomery reduction stuff */
+static int
+mp_montgomery_setup (mp_int * n, mp_digit * rho)
+{
+  mp_digit x, b;
+
+/* fast inversion mod 2**k
+ *
+ * Based on the fact that
+ *
+ * XA = 1 (mod 2**n)  =>  (X(2-XA)) A = 1 (mod 2**2n)
+ *                    =>  2*X*A - X*X*A*A = 1
+ *                    =>  2*(1) - (1)     = 1
+ */
+  b = n->dp[0];
+
+  if ((b & 1) == 0) {
+    return MP_VAL;
+  }
+
+  x = (((b + 2) & 4) << 1) + b; /* here x*a==1 mod 2**4 */
+  x *= 2 - b * x;               /* here x*a==1 mod 2**8 */
+#if !defined(MP_8BIT)
+  x *= 2 - b * x;               /* here x*a==1 mod 2**16 */
+#endif
+#if defined(MP_64BIT) || !(defined(MP_8BIT) || defined(MP_16BIT))
+  x *= 2 - b * x;               /* here x*a==1 mod 2**32 */
+#endif
+#ifdef MP_64BIT
+  x *= 2 - b * x;               /* here x*a==1 mod 2**64 */
+#endif
+
+  /* rho = -1/m mod b */
+  *rho = (unsigned long)(((mp_word)1 << ((mp_word) DIGIT_BIT)) - x) & MP_MASK;
+
+  return MP_OKAY;
+}
+#endif
+
+
+#ifdef BN_FAST_MP_MONTGOMERY_REDUCE_C
+/* computes xR**-1 == x (mod N) via Montgomery Reduction
+ *
+ * This is an optimized implementation of montgomery_reduce
+ * which uses the comba method to quickly calculate the columns of the
+ * reduction.
+ *
+ * Based on Algorithm 14.32 on pp.601 of HAC.
+*/
+int fast_mp_montgomery_reduce (mp_int * x, mp_int * n, mp_digit rho)
+{
+  int     ix, res, olduse;
+  mp_word W[MP_WARRAY];
+
+  /* get old used count */
+  olduse = x->used;
+
+  /* grow a as required */
+  if (x->alloc < n->used + 1) {
+    if ((res = mp_grow (x, n->used + 1)) != MP_OKAY) {
+      return res;
+    }
+  }
+
+  /* first we have to get the digits of the input into
+   * an array of double precision words W[...]
+   */
+  {
+    register mp_word *_W;
+    register mp_digit *tmpx;
+
+    /* alias for the W[] array */
+    _W   = W;
+
+    /* alias for the digits of  x*/
+    tmpx = x->dp;
+
+    /* copy the digits of a into W[0..a->used-1] */
+    for (ix = 0; ix < x->used; ix++) {
+      *_W++ = *tmpx++;
+    }
+
+    /* zero the high words of W[a->used..m->used*2] */
+    for (; ix < n->used * 2 + 1; ix++) {
+      *_W++ = 0;
+    }
+  }
+
+  /* now we proceed to zero successive digits
+   * from the least significant upwards
+   */
+  for (ix = 0; ix < n->used; ix++) {
+    /* mu = ai * m' mod b
+     *
+     * We avoid a double precision multiplication (which isn't required)
+     * by casting the value down to a mp_digit.  Note this requires
+     * that W[ix-1] have  the carry cleared (see after the inner loop)
+     */
+    register mp_digit mu;
+    mu = (mp_digit) (((W[ix] & MP_MASK) * rho) & MP_MASK);
+
+    /* a = a + mu * m * b**i
+     *
+     * This is computed in place and on the fly.  The multiplication
+     * by b**i is handled by offseting which columns the results
+     * are added to.
+     *
+     * Note the comba method normally doesn't handle carries in the
+     * inner loop In this case we fix the carry from the previous
+     * column since the Montgomery reduction requires digits of the
+     * result (so far) [see above] to work.  This is
+     * handled by fixing up one carry after the inner loop.  The
+     * carry fixups are done in order so after these loops the
+     * first m->used words of W[] have the carries fixed
+     */
+    {
+      register int iy;
+      register mp_digit *tmpn;
+      register mp_word *_W;
+
+      /* alias for the digits of the modulus */
+      tmpn = n->dp;
+
+      /* Alias for the columns set by an offset of ix */
+      _W = W + ix;
+
+      /* inner loop */
+      for (iy = 0; iy < n->used; iy++) {
+          *_W++ += ((mp_word)mu) * ((mp_word)*tmpn++);
+      }
+    }
+
+    /* now fix carry for next digit, W[ix+1] */
+    W[ix + 1] += W[ix] >> ((mp_word) DIGIT_BIT);
+  }
+
+  /* now we have to propagate the carries and
+   * shift the words downward [all those least
+   * significant digits we zeroed].
+   */
+  {
+    register mp_digit *tmpx;
+    register mp_word *_W, *_W1;
+
+    /* nox fix rest of carries */
+
+    /* alias for current word */
+    _W1 = W + ix;
+
+    /* alias for next word, where the carry goes */
+    _W = W + ++ix;
+
+    for (; ix <= n->used * 2 + 1; ix++) {
+      *_W++ += *_W1++ >> ((mp_word) DIGIT_BIT);
+    }
+
+    /* copy out, A = A/b**n
+     *
+     * The result is A/b**n but instead of converting from an
+     * array of mp_word to mp_digit than calling mp_rshd
+     * we just copy them in the right order
+     */
+
+    /* alias for destination word */
+    tmpx = x->dp;
+
+    /* alias for shifted double precision result */
+    _W = W + n->used;
+
+    for (ix = 0; ix < n->used + 1; ix++) {
+      *tmpx++ = (mp_digit)(*_W++ & ((mp_word) MP_MASK));
+    }
+
+    /* zero oldused digits, if the input a was larger than
+     * m->used+1 we'll have to clear the digits
+     */
+    for (; ix < olduse; ix++) {
+      *tmpx++ = 0;
+    }
+  }
+
+  /* set the max used and clamp */
+  x->used = n->used + 1;
+  mp_clamp (x);
+
+  /* if A >= m then A = A - m */
+  if (mp_cmp_mag (x, n) != MP_LT) {
+    return s_mp_sub (x, n, x);
+  }
+  return MP_OKAY;
+}
+#endif
+
+
+#ifdef BN_MP_MUL_2_C
+/* b = a*2 */
+static int mp_mul_2(mp_int * a, mp_int * b)
+{
+  int     x, res, oldused;
+
+  /* grow to accomodate result */
+  if (b->alloc < a->used + 1) {
+    if ((res = mp_grow (b, a->used + 1)) != MP_OKAY) {
+      return res;
+    }
+  }
+
+  oldused = b->used;
+  b->used = a->used;
+
+  {
+    register mp_digit r, rr, *tmpa, *tmpb;
+
+    /* alias for source */
+    tmpa = a->dp;
+    
+    /* alias for dest */
+    tmpb = b->dp;
+
+    /* carry */
+    r = 0;
+    for (x = 0; x < a->used; x++) {
+    
+      /* get what will be the *next* carry bit from the 
+       * MSB of the current digit 
+       */
+      rr = *tmpa >> ((mp_digit)(DIGIT_BIT - 1));
+      
+      /* now shift up this digit, add in the carry [from the previous] */
+      *tmpb++ = ((*tmpa++ << ((mp_digit)1)) | r) & MP_MASK;
+      
+      /* copy the carry that would be from the source 
+       * digit into the next iteration 
+       */
+      r = rr;
+    }
+
+    /* new leading digit? */
+    if (r != 0) {
+      /* add a MSB which is always 1 at this point */
+      *tmpb = 1;
+      ++(b->used);
+    }
+
+    /* now zero any excess digits on the destination 
+     * that we didn't write to 
+     */
+    tmpb = b->dp + b->used;
+    for (x = b->used; x < oldused; x++) {
+      *tmpb++ = 0;
+    }
+  }
+  b->sign = a->sign;
+  return MP_OKAY;
+}
+#endif
+
+
+#ifdef BN_MP_MONTGOMERY_CALC_NORMALIZATION_C
+/*
+ * shifts with subtractions when the result is greater than b.
+ *
+ * The method is slightly modified to shift B unconditionally upto just under
+ * the leading bit of b.  This saves alot of multiple precision shifting.
+ */
+static int mp_montgomery_calc_normalization (mp_int * a, mp_int * b)
+{
+  int     x, bits, res;
+
+  /* how many bits of last digit does b use */
+  bits = mp_count_bits (b) % DIGIT_BIT;
+
+  if (b->used > 1) {
+     if ((res = mp_2expt (a, (b->used - 1) * DIGIT_BIT + bits - 1)) != MP_OKAY) {
+        return res;
+     }
+  } else {
+     mp_set(a, 1);
+     bits = 1;
+  }
+
+
+  /* now compute C = A * B mod b */
+  for (x = bits - 1; x < (int)DIGIT_BIT; x++) {
+    if ((res = mp_mul_2 (a, a)) != MP_OKAY) {
+      return res;
+    }
+    if (mp_cmp_mag (a, b) != MP_LT) {
+      if ((res = s_mp_sub (a, b, a)) != MP_OKAY) {
+        return res;
+      }
+    }
+  }
+
+  return MP_OKAY;
+}
+#endif
+
+
+#ifdef BN_MP_EXPTMOD_FAST_C
+/* computes Y == G**X mod P, HAC pp.616, Algorithm 14.85
+ *
+ * Uses a left-to-right k-ary sliding window to compute the modular exponentiation.
+ * The value of k changes based on the size of the exponent.
+ *
+ * Uses Montgomery or Diminished Radix reduction [whichever appropriate]
+ */
+
+static int mp_exptmod_fast (mp_int * G, mp_int * X, mp_int * P, mp_int * Y, int redmode)
+{
+  mp_int  M[TAB_SIZE], res;
+  mp_digit buf, mp;
+  int     err, bitbuf, bitcpy, bitcnt, mode, digidx, x, y, winsize;
+
+  /* use a pointer to the reduction algorithm.  This allows us to use
+   * one of many reduction algorithms without modding the guts of
+   * the code with if statements everywhere.
+   */
+  int     (*redux)(mp_int*,mp_int*,mp_digit);
+
+  /* find window size */
+  x = mp_count_bits (X);
+  if (x <= 7) {
+    winsize = 2;
+  } else if (x <= 36) {
+    winsize = 3;
+  } else if (x <= 140) {
+    winsize = 4;
+  } else if (x <= 450) {
+    winsize = 5;
+  } else if (x <= 1303) {
+    winsize = 6;
+  } else if (x <= 3529) {
+    winsize = 7;
+  } else {
+    winsize = 8;
+  }
+
+#ifdef MP_LOW_MEM
+  if (winsize > 5) {
+     winsize = 5;
+  }
+#endif
+
+  /* init M array */
+  /* init first cell */
+  if ((err = mp_init(&M[1])) != MP_OKAY) {
+     return err;
+  }
+
+  /* now init the second half of the array */
+  for (x = 1<<(winsize-1); x < (1 << winsize); x++) {
+    if ((err = mp_init(&M[x])) != MP_OKAY) {
+      for (y = 1<<(winsize-1); y < x; y++) {
+        mp_clear (&M[y]);
+      }
+      mp_clear(&M[1]);
+      return err;
+    }
+  }
+
+  /* determine and setup reduction code */
+  if (redmode == 0) {
+#ifdef BN_MP_MONTGOMERY_SETUP_C     
+     /* now setup montgomery  */
+     if ((err = mp_montgomery_setup (P, &mp)) != MP_OKAY) {
+        goto LBL_M;
+     }
+#else
+     err = MP_VAL;
+     goto LBL_M;
+#endif
+
+     /* automatically pick the comba one if available (saves quite a few calls/ifs) */
+#ifdef BN_FAST_MP_MONTGOMERY_REDUCE_C
+     if (((P->used * 2 + 1) < MP_WARRAY) &&
+          P->used < (1 << ((CHAR_BIT * sizeof (mp_word)) - (2 * DIGIT_BIT)))) {
+        redux = fast_mp_montgomery_reduce;
+     } else 
+#endif
+     {
+#ifdef BN_MP_MONTGOMERY_REDUCE_C
+        /* use slower baseline Montgomery method */
+        redux = mp_montgomery_reduce;
+#else
+        err = MP_VAL;
+        goto LBL_M;
+#endif
+     }
+  } else if (redmode == 1) {
+#if defined(BN_MP_DR_SETUP_C) && defined(BN_MP_DR_REDUCE_C)
+     /* setup DR reduction for moduli of the form B**k - b */
+     mp_dr_setup(P, &mp);
+     redux = mp_dr_reduce;
+#else
+     err = MP_VAL;
+     goto LBL_M;
+#endif
+  } else {
+#if defined(BN_MP_REDUCE_2K_SETUP_C) && defined(BN_MP_REDUCE_2K_C)
+     /* setup DR reduction for moduli of the form 2**k - b */
+     if ((err = mp_reduce_2k_setup(P, &mp)) != MP_OKAY) {
+        goto LBL_M;
+     }
+     redux = mp_reduce_2k;
+#else
+     err = MP_VAL;
+     goto LBL_M;
+#endif
+  }
+
+  /* setup result */
+  if ((err = mp_init (&res)) != MP_OKAY) {
+    goto LBL_M;
+  }
+
+  /* create M table
+   *
+
+   *
+   * The first half of the table is not computed though accept for M[0] and M[1]
+   */
+
+  if (redmode == 0) {
+#ifdef BN_MP_MONTGOMERY_CALC_NORMALIZATION_C
+     /* now we need R mod m */
+     if ((err = mp_montgomery_calc_normalization (&res, P)) != MP_OKAY) {
+       goto LBL_RES;
+     }
+#else 
+     err = MP_VAL;
+     goto LBL_RES;
+#endif
+
+     /* now set M[1] to G * R mod m */
+     if ((err = mp_mulmod (G, &res, P, &M[1])) != MP_OKAY) {
+       goto LBL_RES;
+     }
+  } else {
+     mp_set(&res, 1);
+     if ((err = mp_mod(G, P, &M[1])) != MP_OKAY) {
+        goto LBL_RES;
+     }
+  }
+
+  /* compute the value at M[1<<(winsize-1)] by squaring M[1] (winsize-1) times */
+  if ((err = mp_copy (&M[1], &M[1 << (winsize - 1)])) != MP_OKAY) {
+    goto LBL_RES;
+  }
+
+  for (x = 0; x < (winsize - 1); x++) {
+    if ((err = mp_sqr (&M[1 << (winsize - 1)], &M[1 << (winsize - 1)])) != MP_OKAY) {
+      goto LBL_RES;
+    }
+    if ((err = redux (&M[1 << (winsize - 1)], P, mp)) != MP_OKAY) {
+      goto LBL_RES;
+    }
+  }
+
+  /* create upper table */
+  for (x = (1 << (winsize - 1)) + 1; x < (1 << winsize); x++) {
+    if ((err = mp_mul (&M[x - 1], &M[1], &M[x])) != MP_OKAY) {
+      goto LBL_RES;
+    }
+    if ((err = redux (&M[x], P, mp)) != MP_OKAY) {
+      goto LBL_RES;
+    }
+  }
+
+  /* set initial mode and bit cnt */
+  mode   = 0;
+  bitcnt = 1;
+  buf    = 0;
+  digidx = X->used - 1;
+  bitcpy = 0;
+  bitbuf = 0;
+
+  for (;;) {
+    /* grab next digit as required */
+    if (--bitcnt == 0) {
+      /* if digidx == -1 we are out of digits so break */
+      if (digidx == -1) {
+        break;
+      }
+      /* read next digit and reset bitcnt */
+      buf    = X->dp[digidx--];
+      bitcnt = (int)DIGIT_BIT;
+    }
+
+    /* grab the next msb from the exponent */
+    y     = (mp_digit)(buf >> (DIGIT_BIT - 1)) & 1;
+    buf <<= (mp_digit)1;
+
+    /* if the bit is zero and mode == 0 then we ignore it
+     * These represent the leading zero bits before the first 1 bit
+     * in the exponent.  Technically this opt is not required but it
+     * does lower the # of trivial squaring/reductions used
+     */
+    if (mode == 0 && y == 0) {
+      continue;
+    }
+
+    /* if the bit is zero and mode == 1 then we square */
+    if (mode == 1 && y == 0) {
+      if ((err = mp_sqr (&res, &res)) != MP_OKAY) {
+        goto LBL_RES;
+      }
+      if ((err = redux (&res, P, mp)) != MP_OKAY) {
+        goto LBL_RES;
+      }
+      continue;
+    }
+
+    /* else we add it to the window */
+    bitbuf |= (y << (winsize - ++bitcpy));
+    mode    = 2;
+
+    if (bitcpy == winsize) {
+      /* ok window is filled so square as required and multiply  */
+      /* square first */
+      for (x = 0; x < winsize; x++) {
+        if ((err = mp_sqr (&res, &res)) != MP_OKAY) {
+          goto LBL_RES;
+        }
+        if ((err = redux (&res, P, mp)) != MP_OKAY) {
+          goto LBL_RES;
+        }
+      }
+
+      /* then multiply */
+      if ((err = mp_mul (&res, &M[bitbuf], &res)) != MP_OKAY) {
+        goto LBL_RES;
+      }
+      if ((err = redux (&res, P, mp)) != MP_OKAY) {
+        goto LBL_RES;
+      }
+
+      /* empty window and reset */
+      bitcpy = 0;
+      bitbuf = 0;
+      mode   = 1;
+    }
+  }
+
+  /* if bits remain then square/multiply */
+  if (mode == 2 && bitcpy > 0) {
+    /* square then multiply if the bit is set */
+    for (x = 0; x < bitcpy; x++) {
+      if ((err = mp_sqr (&res, &res)) != MP_OKAY) {
+        goto LBL_RES;
+      }
+      if ((err = redux (&res, P, mp)) != MP_OKAY) {
+        goto LBL_RES;
+      }
+
+      /* get next bit of the window */
+      bitbuf <<= 1;
+      if ((bitbuf & (1 << winsize)) != 0) {
+        /* then multiply */
+        if ((err = mp_mul (&res, &M[1], &res)) != MP_OKAY) {
+          goto LBL_RES;
+        }
+        if ((err = redux (&res, P, mp)) != MP_OKAY) {
+          goto LBL_RES;
+        }
+      }
+    }
+  }
+
+  if (redmode == 0) {
+     /* fixup result if Montgomery reduction is used
+      * recall that any value in a Montgomery system is
+      * actually multiplied by R mod n.  So we have
+      * to reduce one more time to cancel out the factor
+      * of R.
+      */
+     if ((err = redux(&res, P, mp)) != MP_OKAY) {
+       goto LBL_RES;
+     }
+  }
+
+  /* swap res with Y */
+  mp_exch (&res, Y);
+  err = MP_OKAY;
+LBL_RES:mp_clear (&res);
+LBL_M:
+  mp_clear(&M[1]);
+  for (x = 1<<(winsize-1); x < (1 << winsize); x++) {
+    mp_clear (&M[x]);
+  }
+  return err;
+}
+#endif
+
+
+#ifdef BN_FAST_S_MP_SQR_C
+/* the jist of squaring...
+ * you do like mult except the offset of the tmpx [one that 
+ * starts closer to zero] can't equal the offset of tmpy.  
+ * So basically you set up iy like before then you min it with
+ * (ty-tx) so that it never happens.  You double all those 
+ * you add in the inner loop
+
+After that loop you do the squares and add them in.
+*/
+
+static int fast_s_mp_sqr (mp_int * a, mp_int * b)
+{
+  int       olduse, res, pa, ix, iz;
+  mp_digit   W[MP_WARRAY], *tmpx;
+  mp_word   W1;
+
+  /* grow the destination as required */
+  pa = a->used + a->used;
+  if (b->alloc < pa) {
+    if ((res = mp_grow (b, pa)) != MP_OKAY) {
+      return res;
+    }
+  }
+
+  /* number of output digits to produce */
+  W1 = 0;
+  for (ix = 0; ix < pa; ix++) { 
+      int      tx, ty, iy;
+      mp_word  _W;
+      mp_digit *tmpy;
+
+      /* clear counter */
+      _W = 0;
+
+      /* get offsets into the two bignums */
+      ty = MIN(a->used-1, ix);
+      tx = ix - ty;
+
+      /* setup temp aliases */
+      tmpx = a->dp + tx;
+      tmpy = a->dp + ty;
+
+      /* this is the number of times the loop will iterrate, essentially
+         while (tx++ < a->used && ty-- >= 0) { ... }
+       */
+      iy = MIN(a->used-tx, ty+1);
+
+      /* now for squaring tx can never equal ty 
+       * we halve the distance since they approach at a rate of 2x
+       * and we have to round because odd cases need to be executed
+       */
+      iy = MIN(iy, (ty-tx+1)>>1);
+
+      /* execute loop */
+      for (iz = 0; iz < iy; iz++) {
+         _W += ((mp_word)*tmpx++)*((mp_word)*tmpy--);
+      }
+
+      /* double the inner product and add carry */
+      _W = _W + _W + W1;
+
+      /* even columns have the square term in them */
+      if ((ix&1) == 0) {
+         _W += ((mp_word)a->dp[ix>>1])*((mp_word)a->dp[ix>>1]);
+      }
+
+      /* store it */
+      W[ix] = (mp_digit)(_W & MP_MASK);
+
+      /* make next carry */
+      W1 = _W >> ((mp_word)DIGIT_BIT);
+  }
+
+  /* setup dest */
+  olduse  = b->used;
+  b->used = a->used+a->used;
+
+  {
+    mp_digit *tmpb;
+    tmpb = b->dp;
+    for (ix = 0; ix < pa; ix++) {
+      *tmpb++ = W[ix] & MP_MASK;
+    }
+
+    /* clear unused digits [that existed in the old copy of c] */
+    for (; ix < olduse; ix++) {
+      *tmpb++ = 0;
+    }
+  }
+  mp_clamp (b);
+  return MP_OKAY;
+}
+#endif
+
+
+#ifdef BN_MP_MUL_D_C
+/* multiply by a digit */
+static int
+mp_mul_d (mp_int * a, mp_digit b, mp_int * c)
+{
+  mp_digit u, *tmpa, *tmpc;
+  mp_word  r;
+  int      ix, res, olduse;
+
+  /* make sure c is big enough to hold a*b */
+  if (c->alloc < a->used + 1) {
+    if ((res = mp_grow (c, a->used + 1)) != MP_OKAY) {
+      return res;
+    }
+  }
+
+  /* get the original destinations used count */
+  olduse = c->used;
+
+  /* set the sign */
+  c->sign = a->sign;
+
+  /* alias for a->dp [source] */
+  tmpa = a->dp;
+
+  /* alias for c->dp [dest] */
+  tmpc = c->dp;
+
+  /* zero carry */
+  u = 0;
+
+  /* compute columns */
+  for (ix = 0; ix < a->used; ix++) {
+    /* compute product and carry sum for this term */
+    r       = ((mp_word) u) + ((mp_word)*tmpa++) * ((mp_word)b);
+
+    /* mask off higher bits to get a single digit */
+    *tmpc++ = (mp_digit) (r & ((mp_word) MP_MASK));
+
+    /* send carry into next iteration */
+    u       = (mp_digit) (r >> ((mp_word) DIGIT_BIT));
+  }
+
+  /* store final carry [if any] and increment ix offset  */
+  *tmpc++ = u;
+  ++ix;
+
+  /* now zero digits above the top */
+  while (ix++ < olduse) {
+     *tmpc++ = 0;
+  }
+
+  /* set used count */
+  c->used = a->used + 1;
+  mp_clamp(c);
+
+  return MP_OKAY;
+}
+#endif
diff --git a/src/tls/pkcs1.c b/src/tls/pkcs1.c
new file mode 100644
index 0000000..72ebd87
--- /dev/null
+++ b/src/tls/pkcs1.c
@@ -0,0 +1,201 @@
+/*
+ * PKCS #1 (RSA Encryption)
+ * Copyright (c) 2006-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "rsa.h"
+#include "pkcs1.h"
+
+
+static int pkcs1_generate_encryption_block(u8 block_type, size_t modlen,
+					   const u8 *in, size_t inlen,
+					   u8 *out, size_t *outlen)
+{
+	size_t ps_len;
+	u8 *pos;
+
+	/*
+	 * PKCS #1 v1.5, 8.1:
+	 *
+	 * EB = 00 || BT || PS || 00 || D
+	 * BT = 00 or 01 for private-key operation; 02 for public-key operation
+	 * PS = k-3-||D||; at least eight octets
+	 * (BT=0: PS=0x00, BT=1: PS=0xff, BT=2: PS=pseudorandom non-zero)
+	 * k = length of modulus in octets (modlen)
+	 */
+
+	if (modlen < 12 || modlen > *outlen || inlen > modlen - 11) {
+		wpa_printf(MSG_DEBUG, "PKCS #1: %s - Invalid buffer "
+			   "lengths (modlen=%lu outlen=%lu inlen=%lu)",
+			   __func__, (unsigned long) modlen,
+			   (unsigned long) *outlen,
+			   (unsigned long) inlen);
+		return -1;
+	}
+
+	pos = out;
+	*pos++ = 0x00;
+	*pos++ = block_type; /* BT */
+	ps_len = modlen - inlen - 3;
+	switch (block_type) {
+	case 0:
+		os_memset(pos, 0x00, ps_len);
+		pos += ps_len;
+		break;
+	case 1:
+		os_memset(pos, 0xff, ps_len);
+		pos += ps_len;
+		break;
+	case 2:
+		if (os_get_random(pos, ps_len) < 0) {
+			wpa_printf(MSG_DEBUG, "PKCS #1: %s - Failed to get "
+				   "random data for PS", __func__);
+			return -1;
+		}
+		while (ps_len--) {
+			if (*pos == 0x00)
+				*pos = 0x01;
+			pos++;
+		}
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "PKCS #1: %s - Unsupported block type "
+			   "%d", __func__, block_type);
+		return -1;
+	}
+	*pos++ = 0x00;
+	os_memcpy(pos, in, inlen); /* D */
+
+	return 0;
+}
+
+
+int pkcs1_encrypt(int block_type, struct crypto_rsa_key *key,
+		  int use_private, const u8 *in, size_t inlen,
+		  u8 *out, size_t *outlen)
+{
+	size_t modlen;
+
+	modlen = crypto_rsa_get_modulus_len(key);
+
+	if (pkcs1_generate_encryption_block(block_type, modlen, in, inlen,
+					    out, outlen) < 0)
+		return -1;
+
+	return crypto_rsa_exptmod(out, modlen, out, outlen, key, use_private);
+}
+
+
+int pkcs1_v15_private_key_decrypt(struct crypto_rsa_key *key,
+				  const u8 *in, size_t inlen,
+				  u8 *out, size_t *outlen)
+{
+	int res;
+	u8 *pos, *end;
+
+	res = crypto_rsa_exptmod(in, inlen, out, outlen, key, 1);
+	if (res)
+		return res;
+
+	if (*outlen < 2 || out[0] != 0 || out[1] != 2)
+		return -1;
+
+	/* Skip PS (pseudorandom non-zero octets) */
+	pos = out + 2;
+	end = out + *outlen;
+	while (*pos && pos < end)
+		pos++;
+	if (pos == end)
+		return -1;
+	pos++;
+
+	*outlen -= pos - out;
+
+	/* Strip PKCS #1 header */
+	os_memmove(out, pos, *outlen);
+
+	return 0;
+}
+
+
+int pkcs1_decrypt_public_key(struct crypto_rsa_key *key,
+			     const u8 *crypt, size_t crypt_len,
+			     u8 *plain, size_t *plain_len)
+{
+	size_t len;
+	u8 *pos;
+
+	len = *plain_len;
+	if (crypto_rsa_exptmod(crypt, crypt_len, plain, &len, key, 0) < 0)
+		return -1;
+
+	/*
+	 * PKCS #1 v1.5, 8.1:
+	 *
+	 * EB = 00 || BT || PS || 00 || D
+	 * BT = 00 or 01
+	 * PS = k-3-||D|| times (00 if BT=00) or (FF if BT=01)
+	 * k = length of modulus in octets
+	 */
+
+	if (len < 3 + 8 + 16 /* min hash len */ ||
+	    plain[0] != 0x00 || (plain[1] != 0x00 && plain[1] != 0x01)) {
+		wpa_printf(MSG_INFO, "LibTomCrypt: Invalid signature EB "
+			   "structure");
+		return -1;
+	}
+
+	pos = plain + 3;
+	if (plain[1] == 0x00) {
+		/* BT = 00 */
+		if (plain[2] != 0x00) {
+			wpa_printf(MSG_INFO, "LibTomCrypt: Invalid signature "
+				   "PS (BT=00)");
+			return -1;
+		}
+		while (pos + 1 < plain + len && *pos == 0x00 && pos[1] == 0x00)
+			pos++;
+	} else {
+		/* BT = 01 */
+		if (plain[2] != 0xff) {
+			wpa_printf(MSG_INFO, "LibTomCrypt: Invalid signature "
+				   "PS (BT=01)");
+			return -1;
+		}
+		while (pos < plain + len && *pos == 0xff)
+			pos++;
+	}
+
+	if (pos - plain - 2 < 8) {
+		/* PKCS #1 v1.5, 8.1: At least eight octets long PS */
+		wpa_printf(MSG_INFO, "LibTomCrypt: Too short signature "
+			   "padding");
+		return -1;
+	}
+
+	if (pos + 16 /* min hash len */ >= plain + len || *pos != 0x00) {
+		wpa_printf(MSG_INFO, "LibTomCrypt: Invalid signature EB "
+			   "structure (2)");
+		return -1;
+	}
+	pos++;
+	len -= pos - plain;
+
+	/* Strip PKCS #1 header */
+	os_memmove(plain, pos, len);
+	*plain_len = len;
+
+	return 0;
+}
diff --git a/src/tls/pkcs1.h b/src/tls/pkcs1.h
new file mode 100644
index 0000000..68872b1
--- /dev/null
+++ b/src/tls/pkcs1.h
@@ -0,0 +1,28 @@
+/*
+ * PKCS #1 (RSA Encryption)
+ * Copyright (c) 2006-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef PKCS1_H
+#define PKCS1_H
+
+int pkcs1_encrypt(int block_type, struct crypto_rsa_key *key,
+		  int use_private, const u8 *in, size_t inlen,
+		  u8 *out, size_t *outlen);
+int pkcs1_v15_private_key_decrypt(struct crypto_rsa_key *key,
+				  const u8 *in, size_t inlen,
+				  u8 *out, size_t *outlen);
+int pkcs1_decrypt_public_key(struct crypto_rsa_key *key,
+			     const u8 *crypt, size_t crypt_len,
+			     u8 *plain, size_t *plain_len);
+
+#endif /* PKCS1_H */
diff --git a/src/tls/pkcs5.c b/src/tls/pkcs5.c
new file mode 100644
index 0000000..4291b84
--- /dev/null
+++ b/src/tls/pkcs5.c
@@ -0,0 +1,238 @@
+/*
+ * PKCS #5 (Password-based Encryption)
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/crypto.h"
+#include "crypto/md5.h"
+#include "asn1.h"
+#include "pkcs5.h"
+
+
+struct pkcs5_params {
+	enum pkcs5_alg {
+		PKCS5_ALG_UNKNOWN,
+		PKCS5_ALG_MD5_DES_CBC
+	} alg;
+	u8 salt[8];
+	size_t salt_len;
+	unsigned int iter_count;
+};
+
+
+enum pkcs5_alg pkcs5_get_alg(struct asn1_oid *oid)
+{
+	if (oid->len == 7 &&
+	    oid->oid[0] == 1 /* iso */ &&
+	    oid->oid[1] == 2 /* member-body */ &&
+	    oid->oid[2] == 840 /* us */ &&
+	    oid->oid[3] == 113549 /* rsadsi */ &&
+	    oid->oid[4] == 1 /* pkcs */ &&
+	    oid->oid[5] == 5 /* pkcs-5 */ &&
+	    oid->oid[6] == 3 /* pbeWithMD5AndDES-CBC */)
+		return PKCS5_ALG_MD5_DES_CBC;
+
+	return PKCS5_ALG_UNKNOWN;
+}
+
+
+static int pkcs5_get_params(const u8 *enc_alg, size_t enc_alg_len,
+			    struct pkcs5_params *params)
+{
+	struct asn1_hdr hdr;
+	const u8 *enc_alg_end, *pos, *end;
+	struct asn1_oid oid;
+	char obuf[80];
+
+	/* AlgorithmIdentifier */
+
+	enc_alg_end = enc_alg + enc_alg_len;
+
+	os_memset(params, 0, sizeof(*params));
+
+	if (asn1_get_oid(enc_alg, enc_alg_end - enc_alg, &oid, &pos)) {
+		wpa_printf(MSG_DEBUG, "PKCS #5: Failed to parse OID "
+			   "(algorithm)");
+		return -1;
+	}
+
+	asn1_oid_to_str(&oid, obuf, sizeof(obuf));
+	wpa_printf(MSG_DEBUG, "PKCS #5: encryption algorithm %s", obuf);
+	params->alg = pkcs5_get_alg(&oid);
+	if (params->alg == PKCS5_ALG_UNKNOWN) {
+		wpa_printf(MSG_INFO, "PKCS #5: unsupported encryption "
+			   "algorithm %s", obuf);
+		return -1;
+	}
+
+	/*
+	 * PKCS#5, Section 8
+	 * PBEParameter ::= SEQUENCE {
+	 *   salt OCTET STRING SIZE(8),
+	 *   iterationCount INTEGER }
+	 */
+
+	if (asn1_get_next(pos, enc_alg_end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "PKCS #5: Expected SEQUENCE "
+			   "(PBEParameter) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return -1;
+	}
+	pos = hdr.payload;
+	end = hdr.payload + hdr.length;
+
+	/* salt OCTET STRING SIZE(8) */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_OCTETSTRING ||
+	    hdr.length != 8) {
+		wpa_printf(MSG_DEBUG, "PKCS #5: Expected OCTETSTRING SIZE(8) "
+			   "(salt) - found class %d tag 0x%x size %d",
+			   hdr.class, hdr.tag, hdr.length);
+		return -1;
+	}
+	pos = hdr.payload + hdr.length;
+	os_memcpy(params->salt, hdr.payload, hdr.length);
+	params->salt_len = hdr.length;
+	wpa_hexdump(MSG_DEBUG, "PKCS #5: salt",
+		    params->salt, params->salt_len);
+
+	/* iterationCount INTEGER */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL || hdr.tag != ASN1_TAG_INTEGER) {
+		wpa_printf(MSG_DEBUG, "PKCS #5: Expected INTEGER - found "
+			   "class %d tag 0x%x", hdr.class, hdr.tag);
+		return -1;
+	}
+	if (hdr.length == 1)
+		params->iter_count = *hdr.payload;
+	else if (hdr.length == 2)
+		params->iter_count = WPA_GET_BE16(hdr.payload);
+	else if (hdr.length == 4)
+		params->iter_count = WPA_GET_BE32(hdr.payload);
+	else {
+		wpa_hexdump(MSG_DEBUG, "PKCS #5: Unsupported INTEGER value "
+			    " (iterationCount)",
+			    hdr.payload, hdr.length);
+		return -1;
+	}
+	wpa_printf(MSG_DEBUG, "PKCS #5: iterationCount=0x%x",
+		   params->iter_count);
+	if (params->iter_count == 0 || params->iter_count > 0xffff) {
+		wpa_printf(MSG_INFO, "PKCS #5: Unsupported "
+			   "iterationCount=0x%x", params->iter_count);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static struct crypto_cipher * pkcs5_crypto_init(struct pkcs5_params *params,
+						const char *passwd)
+{
+	unsigned int i;
+	u8 hash[MD5_MAC_LEN];
+	const u8 *addr[2];
+	size_t len[2];
+
+	if (params->alg != PKCS5_ALG_MD5_DES_CBC)
+		return NULL;
+
+	addr[0] = (const u8 *) passwd;
+	len[0] = os_strlen(passwd);
+	addr[1] = params->salt;
+	len[1] = params->salt_len;
+	if (md5_vector(2, addr, len, hash) < 0)
+		return NULL;
+	addr[0] = hash;
+	len[0] = MD5_MAC_LEN;
+	for (i = 1; i < params->iter_count; i++) {
+		if (md5_vector(1, addr, len, hash) < 0)
+			return NULL;
+	}
+	/* TODO: DES key parity bits(?) */
+	wpa_hexdump_key(MSG_DEBUG, "PKCS #5: DES key", hash, 8);
+	wpa_hexdump_key(MSG_DEBUG, "PKCS #5: DES IV", hash + 8, 8);
+
+	return crypto_cipher_init(CRYPTO_CIPHER_ALG_DES, hash + 8, hash, 8);
+}
+
+
+u8 * pkcs5_decrypt(const u8 *enc_alg, size_t enc_alg_len,
+		   const u8 *enc_data, size_t enc_data_len,
+		   const char *passwd, size_t *data_len)
+{
+	struct crypto_cipher *ctx;
+	u8 *eb, pad;
+	struct pkcs5_params params;
+	unsigned int i;
+
+	if (pkcs5_get_params(enc_alg, enc_alg_len, &params) < 0) {
+		wpa_printf(MSG_DEBUG, "PKCS #5: Unsupported parameters");
+		return NULL;
+	}
+
+	ctx = pkcs5_crypto_init(&params, passwd);
+	if (ctx == NULL) {
+		wpa_printf(MSG_DEBUG, "PKCS #5: Failed to initialize crypto");
+		return NULL;
+	}
+
+	/* PKCS #5, Section 7 - Decryption process */
+	if (enc_data_len < 16 || enc_data_len % 8) {
+		wpa_printf(MSG_INFO, "PKCS #5: invalid length of ciphertext "
+			   "%d", (int) enc_data_len);
+		crypto_cipher_deinit(ctx);
+		return NULL;
+	}
+
+	eb = os_malloc(enc_data_len);
+	if (eb == NULL) {
+		crypto_cipher_deinit(ctx);
+		return NULL;
+	}
+
+	if (crypto_cipher_decrypt(ctx, enc_data, eb, enc_data_len) < 0) {
+		wpa_printf(MSG_DEBUG, "PKCS #5: Failed to decrypt EB");
+		crypto_cipher_deinit(ctx);
+		os_free(eb);
+		return NULL;
+	}
+	crypto_cipher_deinit(ctx);
+
+	pad = eb[enc_data_len - 1];
+	if (pad > 8) {
+		wpa_printf(MSG_INFO, "PKCS #5: Invalid PS octet 0x%x", pad);
+		os_free(eb);
+		return NULL;
+	}
+	for (i = enc_data_len - pad; i < enc_data_len; i++) {
+		if (eb[i] != pad) {
+			wpa_hexdump(MSG_INFO, "PKCS #5: Invalid PS",
+				    eb + enc_data_len - pad, pad);
+			os_free(eb);
+			return NULL;
+		}
+	}
+
+	wpa_hexdump_key(MSG_MSGDUMP, "PKCS #5: message M (encrypted key)",
+			eb, enc_data_len - pad);
+
+	*data_len = enc_data_len - pad;
+	return eb;
+}
diff --git a/src/tls/pkcs5.h b/src/tls/pkcs5.h
new file mode 100644
index 0000000..6ed3923
--- /dev/null
+++ b/src/tls/pkcs5.h
@@ -0,0 +1,22 @@
+/*
+ * PKCS #5 (Password-based Encryption)
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef PKCS5_H
+#define PKCS5_H
+
+u8 * pkcs5_decrypt(const u8 *enc_alg, size_t enc_alg_len,
+		   const u8 *enc_data, size_t enc_data_len,
+		   const char *passwd, size_t *data_len);
+
+#endif /* PKCS5_H */
diff --git a/src/tls/pkcs8.c b/src/tls/pkcs8.c
new file mode 100644
index 0000000..69ab262
--- /dev/null
+++ b/src/tls/pkcs8.c
@@ -0,0 +1,193 @@
+/*
+ * PKCS #8 (Private-key information syntax)
+ * Copyright (c) 2006-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "asn1.h"
+#include "bignum.h"
+#include "rsa.h"
+#include "pkcs5.h"
+#include "pkcs8.h"
+
+
+struct crypto_private_key * pkcs8_key_import(const u8 *buf, size_t len)
+{
+	struct asn1_hdr hdr;
+	const u8 *pos, *end;
+	struct bignum *zero;
+	struct asn1_oid oid;
+	char obuf[80];
+
+	/* PKCS #8, Chapter 6 */
+
+	/* PrivateKeyInfo ::= SEQUENCE */
+	if (asn1_get_next(buf, len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "PKCS #8: Does not start with PKCS #8 "
+			   "header (SEQUENCE); assume PKCS #8 not used");
+		return NULL;
+	}
+	pos = hdr.payload;
+	end = pos + hdr.length;
+
+	/* version Version (Version ::= INTEGER) */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL || hdr.tag != ASN1_TAG_INTEGER) {
+		wpa_printf(MSG_DEBUG, "PKCS #8: Expected INTEGER - found "
+			   "class %d tag 0x%x; assume PKCS #8 not used",
+			   hdr.class, hdr.tag);
+		return NULL;
+	}
+
+	zero = bignum_init();
+	if (zero == NULL)
+		return NULL;
+
+	if (bignum_set_unsigned_bin(zero, hdr.payload, hdr.length) < 0) {
+		wpa_printf(MSG_DEBUG, "PKCS #8: Failed to parse INTEGER");
+		bignum_deinit(zero);
+		return NULL;
+	}
+	pos = hdr.payload + hdr.length;
+
+	if (bignum_cmp_d(zero, 0) != 0) {
+		wpa_printf(MSG_DEBUG, "PKCS #8: Expected zero INTEGER in the "
+			   "beginning of private key; not found; assume "
+			   "PKCS #8 not used");
+		bignum_deinit(zero);
+		return NULL;
+	}
+	bignum_deinit(zero);
+
+	/* privateKeyAlgorithm PrivateKeyAlgorithmIdentifier
+	 * (PrivateKeyAlgorithmIdentifier ::= AlgorithmIdentifier) */
+	if (asn1_get_next(pos, len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "PKCS #8: Expected SEQUENCE "
+			   "(AlgorithmIdentifier) - found class %d tag 0x%x; "
+			   "assume PKCS #8 not used",
+			   hdr.class, hdr.tag);
+		return NULL;
+	}
+
+	if (asn1_get_oid(hdr.payload, hdr.length, &oid, &pos)) {
+		wpa_printf(MSG_DEBUG, "PKCS #8: Failed to parse OID "
+			   "(algorithm); assume PKCS #8 not used");
+		return NULL;
+	}
+
+	asn1_oid_to_str(&oid, obuf, sizeof(obuf));
+	wpa_printf(MSG_DEBUG, "PKCS #8: algorithm=%s", obuf);
+
+	if (oid.len != 7 ||
+	    oid.oid[0] != 1 /* iso */ ||
+	    oid.oid[1] != 2 /* member-body */ ||
+	    oid.oid[2] != 840 /* us */ ||
+	    oid.oid[3] != 113549 /* rsadsi */ ||
+	    oid.oid[4] != 1 /* pkcs */ ||
+	    oid.oid[5] != 1 /* pkcs-1 */ ||
+	    oid.oid[6] != 1 /* rsaEncryption */) {
+		wpa_printf(MSG_DEBUG, "PKCS #8: Unsupported private key "
+			   "algorithm %s", obuf);
+		return NULL;
+	}
+
+	pos = hdr.payload + hdr.length;
+
+	/* privateKey PrivateKey (PrivateKey ::= OCTET STRING) */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_OCTETSTRING) {
+		wpa_printf(MSG_DEBUG, "PKCS #8: Expected OCTETSTRING "
+			   "(privateKey) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return NULL;
+	}
+	wpa_printf(MSG_DEBUG, "PKCS #8: Try to parse RSAPrivateKey");
+
+	return (struct crypto_private_key *)
+		crypto_rsa_import_private_key(hdr.payload, hdr.length);
+}
+
+
+struct crypto_private_key *
+pkcs8_enc_key_import(const u8 *buf, size_t len, const char *passwd)
+{
+	struct asn1_hdr hdr;
+	const u8 *pos, *end, *enc_alg;
+	size_t enc_alg_len;
+	u8 *data;
+	size_t data_len;
+
+	if (passwd == NULL)
+		return NULL;
+
+	/*
+	 * PKCS #8, Chapter 7
+	 * EncryptedPrivateKeyInfo ::= SEQUENCE {
+	 *   encryptionAlgorithm EncryptionAlgorithmIdentifier,
+	 *   encryptedData EncryptedData }
+	 * EncryptionAlgorithmIdentifier ::= AlgorithmIdentifier
+	 * EncryptedData ::= OCTET STRING
+	 */
+
+	if (asn1_get_next(buf, len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "PKCS #8: Does not start with PKCS #8 "
+			   "header (SEQUENCE); assume encrypted PKCS #8 not "
+			   "used");
+		return NULL;
+	}
+	pos = hdr.payload;
+	end = pos + hdr.length;
+
+	/* encryptionAlgorithm EncryptionAlgorithmIdentifier */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "PKCS #8: Expected SEQUENCE "
+			   "(AlgorithmIdentifier) - found class %d tag 0x%x; "
+			   "assume encrypted PKCS #8 not used",
+			   hdr.class, hdr.tag);
+		return NULL;
+	}
+	enc_alg = hdr.payload;
+	enc_alg_len = hdr.length;
+	pos = hdr.payload + hdr.length;
+
+	/* encryptedData EncryptedData */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_OCTETSTRING) {
+		wpa_printf(MSG_DEBUG, "PKCS #8: Expected OCTETSTRING "
+			   "(encryptedData) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return NULL;
+	}
+
+	data = pkcs5_decrypt(enc_alg, enc_alg_len, hdr.payload, hdr.length,
+			     passwd, &data_len);
+	if (data) {
+		struct crypto_private_key *key;
+		key = pkcs8_key_import(data, data_len);
+		os_free(data);
+		return key;
+	}
+
+	return NULL;
+}
diff --git a/src/tls/pkcs8.h b/src/tls/pkcs8.h
new file mode 100644
index 0000000..dac517c
--- /dev/null
+++ b/src/tls/pkcs8.h
@@ -0,0 +1,22 @@
+/*
+ * PKCS #8 (Private-key information syntax)
+ * Copyright (c) 2006-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef PKCS8_H
+#define PKCS8_H
+
+struct crypto_private_key * pkcs8_key_import(const u8 *buf, size_t len);
+struct crypto_private_key *
+pkcs8_enc_key_import(const u8 *buf, size_t len, const char *passwd);
+
+#endif /* PKCS8_H */
diff --git a/src/tls/rsa.c b/src/tls/rsa.c
new file mode 100644
index 0000000..3084adc
--- /dev/null
+++ b/src/tls/rsa.c
@@ -0,0 +1,358 @@
+/*
+ * RSA
+ * Copyright (c) 2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "asn1.h"
+#include "bignum.h"
+#include "rsa.h"
+
+
+struct crypto_rsa_key {
+	int private_key; /* whether private key is set */
+	struct bignum *n; /* modulus (p * q) */
+	struct bignum *e; /* public exponent */
+	/* The following parameters are available only if private_key is set */
+	struct bignum *d; /* private exponent */
+	struct bignum *p; /* prime p (factor of n) */
+	struct bignum *q; /* prime q (factor of n) */
+	struct bignum *dmp1; /* d mod (p - 1); CRT exponent */
+	struct bignum *dmq1; /* d mod (q - 1); CRT exponent */
+	struct bignum *iqmp; /* 1 / q mod p; CRT coefficient */
+};
+
+
+static const u8 * crypto_rsa_parse_integer(const u8 *pos, const u8 *end,
+					   struct bignum *num)
+{
+	struct asn1_hdr hdr;
+
+	if (pos == NULL)
+		return NULL;
+
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL || hdr.tag != ASN1_TAG_INTEGER) {
+		wpa_printf(MSG_DEBUG, "RSA: Expected INTEGER - found class %d "
+			   "tag 0x%x", hdr.class, hdr.tag);
+		return NULL;
+	}
+
+	if (bignum_set_unsigned_bin(num, hdr.payload, hdr.length) < 0) {
+		wpa_printf(MSG_DEBUG, "RSA: Failed to parse INTEGER");
+		return NULL;
+	}
+
+	return hdr.payload + hdr.length;
+}
+
+
+/**
+ * crypto_rsa_import_public_key - Import an RSA public key
+ * @buf: Key buffer (DER encoded RSA public key)
+ * @len: Key buffer length in bytes
+ * Returns: Pointer to the public key or %NULL on failure
+ */
+struct crypto_rsa_key *
+crypto_rsa_import_public_key(const u8 *buf, size_t len)
+{
+	struct crypto_rsa_key *key;
+	struct asn1_hdr hdr;
+	const u8 *pos, *end;
+
+	key = os_zalloc(sizeof(*key));
+	if (key == NULL)
+		return NULL;
+
+	key->n = bignum_init();
+	key->e = bignum_init();
+	if (key->n == NULL || key->e == NULL) {
+		crypto_rsa_free(key);
+		return NULL;
+	}
+
+	/*
+	 * PKCS #1, 7.1:
+	 * RSAPublicKey ::= SEQUENCE {
+	 *     modulus INTEGER, -- n
+	 *     publicExponent INTEGER -- e 
+	 * }
+	 */
+
+	if (asn1_get_next(buf, len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "RSA: Expected SEQUENCE "
+			   "(public key) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		goto error;
+	}
+	pos = hdr.payload;
+	end = pos + hdr.length;
+
+	pos = crypto_rsa_parse_integer(pos, end, key->n);
+	pos = crypto_rsa_parse_integer(pos, end, key->e);
+
+	if (pos == NULL)
+		goto error;
+
+	if (pos != end) {
+		wpa_hexdump(MSG_DEBUG,
+			    "RSA: Extra data in public key SEQUENCE",
+			    pos, end - pos);
+		goto error;
+	}
+
+	return key;
+
+error:
+	crypto_rsa_free(key);
+	return NULL;
+}
+
+
+/**
+ * crypto_rsa_import_private_key - Import an RSA private key
+ * @buf: Key buffer (DER encoded RSA private key)
+ * @len: Key buffer length in bytes
+ * Returns: Pointer to the private key or %NULL on failure
+ */
+struct crypto_rsa_key *
+crypto_rsa_import_private_key(const u8 *buf, size_t len)
+{
+	struct crypto_rsa_key *key;
+	struct bignum *zero;
+	struct asn1_hdr hdr;
+	const u8 *pos, *end;
+
+	key = os_zalloc(sizeof(*key));
+	if (key == NULL)
+		return NULL;
+
+	key->private_key = 1;
+
+	key->n = bignum_init();
+	key->e = bignum_init();
+	key->d = bignum_init();
+	key->p = bignum_init();
+	key->q = bignum_init();
+	key->dmp1 = bignum_init();
+	key->dmq1 = bignum_init();
+	key->iqmp = bignum_init();
+
+	if (key->n == NULL || key->e == NULL || key->d == NULL ||
+	    key->p == NULL || key->q == NULL || key->dmp1 == NULL ||
+	    key->dmq1 == NULL || key->iqmp == NULL) {
+		crypto_rsa_free(key);
+		return NULL;
+	}
+
+	/*
+	 * PKCS #1, 7.2:
+	 * RSAPrivateKey ::= SEQUENCE {
+	 *    version Version,
+	 *    modulus INTEGER, -- n
+	 *    publicExponent INTEGER, -- e
+	 *    privateExponent INTEGER, -- d
+	 *    prime1 INTEGER, -- p
+	 *    prime2 INTEGER, -- q
+	 *    exponent1 INTEGER, -- d mod (p-1)
+	 *    exponent2 INTEGER, -- d mod (q-1)
+	 *    coefficient INTEGER -- (inverse of q) mod p
+	 * }
+	 *
+	 * Version ::= INTEGER -- shall be 0 for this version of the standard
+	 */
+	if (asn1_get_next(buf, len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "RSA: Expected SEQUENCE "
+			   "(public key) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		goto error;
+	}
+	pos = hdr.payload;
+	end = pos + hdr.length;
+
+	zero = bignum_init();
+	if (zero == NULL)
+		goto error;
+	pos = crypto_rsa_parse_integer(pos, end, zero);
+	if (pos == NULL || bignum_cmp_d(zero, 0) != 0) {
+		wpa_printf(MSG_DEBUG, "RSA: Expected zero INTEGER in the "
+			   "beginning of private key; not found");
+		bignum_deinit(zero);
+		goto error;
+	}
+	bignum_deinit(zero);
+
+	pos = crypto_rsa_parse_integer(pos, end, key->n);
+	pos = crypto_rsa_parse_integer(pos, end, key->e);
+	pos = crypto_rsa_parse_integer(pos, end, key->d);
+	pos = crypto_rsa_parse_integer(pos, end, key->p);
+	pos = crypto_rsa_parse_integer(pos, end, key->q);
+	pos = crypto_rsa_parse_integer(pos, end, key->dmp1);
+	pos = crypto_rsa_parse_integer(pos, end, key->dmq1);
+	pos = crypto_rsa_parse_integer(pos, end, key->iqmp);
+
+	if (pos == NULL)
+		goto error;
+
+	if (pos != end) {
+		wpa_hexdump(MSG_DEBUG,
+			    "RSA: Extra data in public key SEQUENCE",
+			    pos, end - pos);
+		goto error;
+	}
+
+	return key;
+
+error:
+	crypto_rsa_free(key);
+	return NULL;
+}
+
+
+/**
+ * crypto_rsa_get_modulus_len - Get the modulus length of the RSA key
+ * @key: RSA key
+ * Returns: Modulus length of the key
+ */
+size_t crypto_rsa_get_modulus_len(struct crypto_rsa_key *key)
+{
+	return bignum_get_unsigned_bin_len(key->n);
+}
+
+
+/**
+ * crypto_rsa_exptmod - RSA modular exponentiation
+ * @in: Input data
+ * @inlen: Input data length
+ * @out: Buffer for output data
+ * @outlen: Maximum size of the output buffer and used size on success
+ * @key: RSA key
+ * @use_private: 1 = Use RSA private key, 0 = Use RSA public key
+ * Returns: 0 on success, -1 on failure
+ */
+int crypto_rsa_exptmod(const u8 *in, size_t inlen, u8 *out, size_t *outlen,
+		       struct crypto_rsa_key *key, int use_private)
+{
+	struct bignum *tmp, *a = NULL, *b = NULL;
+	int ret = -1;
+	size_t modlen;
+
+	if (use_private && !key->private_key)
+		return -1;
+
+	tmp = bignum_init();
+	if (tmp == NULL)
+		return -1;
+
+	if (bignum_set_unsigned_bin(tmp, in, inlen) < 0)
+		goto error;
+	if (bignum_cmp(key->n, tmp) < 0) {
+		/* Too large input value for the RSA key modulus */
+		goto error;
+	}
+
+	if (use_private) {
+		/*
+		 * Decrypt (or sign) using Chinese remainer theorem to speed
+		 * up calculation. This is equivalent to tmp = tmp^d mod n
+		 * (which would require more CPU to calculate directly).
+		 *
+		 * dmp1 = (1/e) mod (p-1)
+		 * dmq1 = (1/e) mod (q-1)
+		 * iqmp = (1/q) mod p, where p > q
+		 * m1 = c^dmp1 mod p
+		 * m2 = c^dmq1 mod q
+		 * h = q^-1 (m1 - m2) mod p
+		 * m = m2 + hq
+		 */
+		a = bignum_init();
+		b = bignum_init();
+		if (a == NULL || b == NULL)
+			goto error;
+
+		/* a = tmp^dmp1 mod p */
+		if (bignum_exptmod(tmp, key->dmp1, key->p, a) < 0)
+			goto error;
+
+		/* b = tmp^dmq1 mod q */
+		if (bignum_exptmod(tmp, key->dmq1, key->q, b) < 0)
+			goto error;
+
+		/* tmp = (a - b) * (1/q mod p) (mod p) */
+		if (bignum_sub(a, b, tmp) < 0 ||
+		    bignum_mulmod(tmp, key->iqmp, key->p, tmp) < 0)
+			goto error;
+
+		/* tmp = b + q * tmp */
+		if (bignum_mul(tmp, key->q, tmp) < 0 ||
+		    bignum_add(tmp, b, tmp) < 0)
+			goto error;
+	} else {
+		/* Encrypt (or verify signature) */
+		/* tmp = tmp^e mod N */
+		if (bignum_exptmod(tmp, key->e, key->n, tmp) < 0)
+			goto error;
+	}
+
+	modlen = crypto_rsa_get_modulus_len(key);
+	if (modlen > *outlen) {
+		*outlen = modlen;
+		goto error;
+	}
+
+	if (bignum_get_unsigned_bin_len(tmp) > modlen)
+		goto error; /* should never happen */
+
+	*outlen = modlen;
+	os_memset(out, 0, modlen);
+	if (bignum_get_unsigned_bin(
+		    tmp, out +
+		    (modlen - bignum_get_unsigned_bin_len(tmp)), NULL) < 0)
+		goto error;
+
+	ret = 0;
+
+error:
+	bignum_deinit(tmp);
+	bignum_deinit(a);
+	bignum_deinit(b);
+	return ret;
+}
+
+
+/**
+ * crypto_rsa_free - Free RSA key
+ * @key: RSA key to be freed
+ *
+ * This function frees an RSA key imported with either
+ * crypto_rsa_import_public_key() or crypto_rsa_import_private_key().
+ */
+void crypto_rsa_free(struct crypto_rsa_key *key)
+{
+	if (key) {
+		bignum_deinit(key->n);
+		bignum_deinit(key->e);
+		bignum_deinit(key->d);
+		bignum_deinit(key->p);
+		bignum_deinit(key->q);
+		bignum_deinit(key->dmp1);
+		bignum_deinit(key->dmq1);
+		bignum_deinit(key->iqmp);
+		os_free(key);
+	}
+}
diff --git a/src/tls/rsa.h b/src/tls/rsa.h
new file mode 100644
index 0000000..ac50dfd
--- /dev/null
+++ b/src/tls/rsa.h
@@ -0,0 +1,29 @@
+/*
+ * RSA
+ * Copyright (c) 2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef RSA_H
+#define RSA_H
+
+struct crypto_rsa_key;
+
+struct crypto_rsa_key *
+crypto_rsa_import_public_key(const u8 *buf, size_t len);
+struct crypto_rsa_key *
+crypto_rsa_import_private_key(const u8 *buf, size_t len);
+size_t crypto_rsa_get_modulus_len(struct crypto_rsa_key *key);
+int crypto_rsa_exptmod(const u8 *in, size_t inlen, u8 *out, size_t *outlen,
+		       struct crypto_rsa_key *key, int use_private);
+void crypto_rsa_free(struct crypto_rsa_key *key);
+
+#endif /* RSA_H */
diff --git a/src/tls/tlsv1_client.c b/src/tls/tlsv1_client.c
new file mode 100644
index 0000000..afb6031
--- /dev/null
+++ b/src/tls/tlsv1_client.c
@@ -0,0 +1,667 @@
+/*
+ * TLSv1 client (RFC 2246)
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/sha1.h"
+#include "crypto/tls.h"
+#include "tlsv1_common.h"
+#include "tlsv1_record.h"
+#include "tlsv1_client.h"
+#include "tlsv1_client_i.h"
+
+/* TODO:
+ * Support for a message fragmented across several records (RFC 2246, 6.2.1)
+ */
+
+
+void tls_alert(struct tlsv1_client *conn, u8 level, u8 description)
+{
+	conn->alert_level = level;
+	conn->alert_description = description;
+}
+
+
+void tlsv1_client_free_dh(struct tlsv1_client *conn)
+{
+	os_free(conn->dh_p);
+	os_free(conn->dh_g);
+	os_free(conn->dh_ys);
+	conn->dh_p = conn->dh_g = conn->dh_ys = NULL;
+}
+
+
+int tls_derive_pre_master_secret(u8 *pre_master_secret)
+{
+	WPA_PUT_BE16(pre_master_secret, TLS_VERSION);
+	if (os_get_random(pre_master_secret + 2,
+			  TLS_PRE_MASTER_SECRET_LEN - 2))
+		return -1;
+	return 0;
+}
+
+
+int tls_derive_keys(struct tlsv1_client *conn,
+		    const u8 *pre_master_secret, size_t pre_master_secret_len)
+{
+	u8 seed[2 * TLS_RANDOM_LEN];
+	u8 key_block[TLS_MAX_KEY_BLOCK_LEN];
+	u8 *pos;
+	size_t key_block_len;
+
+	if (pre_master_secret) {
+		wpa_hexdump_key(MSG_MSGDUMP, "TLSv1: pre_master_secret",
+				pre_master_secret, pre_master_secret_len);
+		os_memcpy(seed, conn->client_random, TLS_RANDOM_LEN);
+		os_memcpy(seed + TLS_RANDOM_LEN, conn->server_random,
+			  TLS_RANDOM_LEN);
+		if (tls_prf(pre_master_secret, pre_master_secret_len,
+			    "master secret", seed, 2 * TLS_RANDOM_LEN,
+			    conn->master_secret, TLS_MASTER_SECRET_LEN)) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Failed to derive "
+				   "master_secret");
+			return -1;
+		}
+		wpa_hexdump_key(MSG_MSGDUMP, "TLSv1: master_secret",
+				conn->master_secret, TLS_MASTER_SECRET_LEN);
+	}
+
+	os_memcpy(seed, conn->server_random, TLS_RANDOM_LEN);
+	os_memcpy(seed + TLS_RANDOM_LEN, conn->client_random, TLS_RANDOM_LEN);
+	key_block_len = 2 * (conn->rl.hash_size + conn->rl.key_material_len +
+			     conn->rl.iv_size);
+	if (tls_prf(conn->master_secret, TLS_MASTER_SECRET_LEN,
+		    "key expansion", seed, 2 * TLS_RANDOM_LEN,
+		    key_block, key_block_len)) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to derive key_block");
+		return -1;
+	}
+	wpa_hexdump_key(MSG_MSGDUMP, "TLSv1: key_block",
+			key_block, key_block_len);
+
+	pos = key_block;
+
+	/* client_write_MAC_secret */
+	os_memcpy(conn->rl.write_mac_secret, pos, conn->rl.hash_size);
+	pos += conn->rl.hash_size;
+	/* server_write_MAC_secret */
+	os_memcpy(conn->rl.read_mac_secret, pos, conn->rl.hash_size);
+	pos += conn->rl.hash_size;
+
+	/* client_write_key */
+	os_memcpy(conn->rl.write_key, pos, conn->rl.key_material_len);
+	pos += conn->rl.key_material_len;
+	/* server_write_key */
+	os_memcpy(conn->rl.read_key, pos, conn->rl.key_material_len);
+	pos += conn->rl.key_material_len;
+
+	/* client_write_IV */
+	os_memcpy(conn->rl.write_iv, pos, conn->rl.iv_size);
+	pos += conn->rl.iv_size;
+	/* server_write_IV */
+	os_memcpy(conn->rl.read_iv, pos, conn->rl.iv_size);
+	pos += conn->rl.iv_size;
+
+	return 0;
+}
+
+
+/**
+ * tlsv1_client_handshake - Process TLS handshake
+ * @conn: TLSv1 client connection data from tlsv1_client_init()
+ * @in_data: Input data from TLS peer
+ * @in_len: Input data length
+ * @out_len: Length of the output buffer.
+ * @appl_data: Pointer to application data pointer, or %NULL if dropped
+ * @appl_data_len: Pointer to variable that is set to appl_data length
+ * Returns: Pointer to output data, %NULL on failure
+ */
+u8 * tlsv1_client_handshake(struct tlsv1_client *conn,
+			    const u8 *in_data, size_t in_len,
+			    size_t *out_len, u8 **appl_data,
+			    size_t *appl_data_len)
+{
+	const u8 *pos, *end;
+	u8 *msg = NULL, *in_msg, *in_pos, *in_end, alert, ct;
+	size_t in_msg_len;
+	int no_appl_data;
+
+	if (conn->state == CLIENT_HELLO) {
+		if (in_len)
+			return NULL;
+		return tls_send_client_hello(conn, out_len);
+	}
+
+	if (in_data == NULL || in_len == 0)
+		return NULL;
+
+	pos = in_data;
+	end = in_data + in_len;
+	in_msg = os_malloc(in_len);
+	if (in_msg == NULL)
+		return NULL;
+
+	/* Each received packet may include multiple records */
+	while (pos < end) {
+		in_msg_len = in_len;
+		if (tlsv1_record_receive(&conn->rl, pos, end - pos,
+					 in_msg, &in_msg_len, &alert)) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Processing received "
+				   "record failed");
+			tls_alert(conn, TLS_ALERT_LEVEL_FATAL, alert);
+			goto failed;
+		}
+		ct = pos[0];
+
+		in_pos = in_msg;
+		in_end = in_msg + in_msg_len;
+
+		/* Each received record may include multiple messages of the
+		 * same ContentType. */
+		while (in_pos < in_end) {
+			in_msg_len = in_end - in_pos;
+			if (tlsv1_client_process_handshake(conn, ct, in_pos,
+							   &in_msg_len,
+							   appl_data,
+							   appl_data_len) < 0)
+				goto failed;
+			in_pos += in_msg_len;
+		}
+
+		pos += TLS_RECORD_HEADER_LEN + WPA_GET_BE16(pos + 3);
+	}
+
+	os_free(in_msg);
+	in_msg = NULL;
+
+	no_appl_data = appl_data == NULL || *appl_data == NULL;
+	msg = tlsv1_client_handshake_write(conn, out_len, no_appl_data);
+
+failed:
+	os_free(in_msg);
+	if (conn->alert_level) {
+		conn->state = FAILED;
+		os_free(msg);
+		msg = tlsv1_client_send_alert(conn, conn->alert_level,
+					      conn->alert_description,
+					      out_len);
+	} else if (msg == NULL) {
+		msg = os_zalloc(1);
+		*out_len = 0;
+	}
+
+	return msg;
+}
+
+
+/**
+ * tlsv1_client_encrypt - Encrypt data into TLS tunnel
+ * @conn: TLSv1 client connection data from tlsv1_client_init()
+ * @in_data: Pointer to plaintext data to be encrypted
+ * @in_len: Input buffer length
+ * @out_data: Pointer to output buffer (encrypted TLS data)
+ * @out_len: Maximum out_data length 
+ * Returns: Number of bytes written to out_data, -1 on failure
+ *
+ * This function is used after TLS handshake has been completed successfully to
+ * send data in the encrypted tunnel.
+ */
+int tlsv1_client_encrypt(struct tlsv1_client *conn,
+			 const u8 *in_data, size_t in_len,
+			 u8 *out_data, size_t out_len)
+{
+	size_t rlen;
+
+	wpa_hexdump_key(MSG_MSGDUMP, "TLSv1: Plaintext AppData",
+			in_data, in_len);
+
+	os_memcpy(out_data + TLS_RECORD_HEADER_LEN, in_data, in_len);
+
+	if (tlsv1_record_send(&conn->rl, TLS_CONTENT_TYPE_APPLICATION_DATA,
+			      out_data, out_len, in_len, &rlen) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to create a record");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	return rlen;
+}
+
+
+/**
+ * tlsv1_client_decrypt - Decrypt data from TLS tunnel
+ * @conn: TLSv1 client connection data from tlsv1_client_init()
+ * @in_data: Pointer to input buffer (encrypted TLS data)
+ * @in_len: Input buffer length
+ * @out_data: Pointer to output buffer (decrypted data from TLS tunnel)
+ * @out_len: Maximum out_data length
+ * Returns: Number of bytes written to out_data, -1 on failure
+ *
+ * This function is used after TLS handshake has been completed successfully to
+ * receive data from the encrypted tunnel.
+ */
+int tlsv1_client_decrypt(struct tlsv1_client *conn,
+			 const u8 *in_data, size_t in_len,
+			 u8 *out_data, size_t out_len)
+{
+	const u8 *in_end, *pos;
+	int res;
+	u8 alert, *out_end, *out_pos;
+	size_t olen;
+
+	pos = in_data;
+	in_end = in_data + in_len;
+	out_pos = out_data;
+	out_end = out_data + out_len;
+
+	while (pos < in_end) {
+		if (pos[0] != TLS_CONTENT_TYPE_APPLICATION_DATA) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Unexpected content type "
+				   "0x%x", pos[0]);
+			tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				  TLS_ALERT_UNEXPECTED_MESSAGE);
+			return -1;
+		}
+
+		olen = out_end - out_pos;
+		res = tlsv1_record_receive(&conn->rl, pos, in_end - pos,
+					   out_pos, &olen, &alert);
+		if (res < 0) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Record layer processing "
+				   "failed");
+			tls_alert(conn, TLS_ALERT_LEVEL_FATAL, alert);
+			return -1;
+		}
+		out_pos += olen;
+		if (out_pos > out_end) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Buffer not large enough "
+				   "for processing the received record");
+			tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				  TLS_ALERT_INTERNAL_ERROR);
+			return -1;
+		}
+
+		pos += TLS_RECORD_HEADER_LEN + WPA_GET_BE16(pos + 3);
+	}
+
+	return out_pos - out_data;
+}
+
+
+/**
+ * tlsv1_client_global_init - Initialize TLSv1 client
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function must be called before using any other TLSv1 client functions.
+ */
+int tlsv1_client_global_init(void)
+{
+	return crypto_global_init();
+}
+
+
+/**
+ * tlsv1_client_global_deinit - Deinitialize TLSv1 client
+ *
+ * This function can be used to deinitialize the TLSv1 client that was
+ * initialized by calling tlsv1_client_global_init(). No TLSv1 client functions
+ * can be called after this before calling tlsv1_client_global_init() again.
+ */
+void tlsv1_client_global_deinit(void)
+{
+	crypto_global_deinit();
+}
+
+
+/**
+ * tlsv1_client_init - Initialize TLSv1 client connection
+ * Returns: Pointer to TLSv1 client connection data or %NULL on failure
+ */
+struct tlsv1_client * tlsv1_client_init(void)
+{
+	struct tlsv1_client *conn;
+	size_t count;
+	u16 *suites;
+
+	conn = os_zalloc(sizeof(*conn));
+	if (conn == NULL)
+		return NULL;
+
+	conn->state = CLIENT_HELLO;
+
+	if (tls_verify_hash_init(&conn->verify) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to initialize verify "
+			   "hash");
+		os_free(conn);
+		return NULL;
+	}
+
+	count = 0;
+	suites = conn->cipher_suites;
+#ifndef CONFIG_CRYPTO_INTERNAL
+	suites[count++] = TLS_RSA_WITH_AES_256_CBC_SHA;
+#endif /* CONFIG_CRYPTO_INTERNAL */
+	suites[count++] = TLS_RSA_WITH_AES_128_CBC_SHA;
+	suites[count++] = TLS_RSA_WITH_3DES_EDE_CBC_SHA;
+	suites[count++] = TLS_RSA_WITH_RC4_128_SHA;
+	suites[count++] = TLS_RSA_WITH_RC4_128_MD5;
+	conn->num_cipher_suites = count;
+
+	return conn;
+}
+
+
+/**
+ * tlsv1_client_deinit - Deinitialize TLSv1 client connection
+ * @conn: TLSv1 client connection data from tlsv1_client_init()
+ */
+void tlsv1_client_deinit(struct tlsv1_client *conn)
+{
+	crypto_public_key_free(conn->server_rsa_key);
+	tlsv1_record_set_cipher_suite(&conn->rl, TLS_NULL_WITH_NULL_NULL);
+	tlsv1_record_change_write_cipher(&conn->rl);
+	tlsv1_record_change_read_cipher(&conn->rl);
+	tls_verify_hash_free(&conn->verify);
+	os_free(conn->client_hello_ext);
+	tlsv1_client_free_dh(conn);
+	tlsv1_cred_free(conn->cred);
+	os_free(conn);
+}
+
+
+/**
+ * tlsv1_client_established - Check whether connection has been established
+ * @conn: TLSv1 client connection data from tlsv1_client_init()
+ * Returns: 1 if connection is established, 0 if not
+ */
+int tlsv1_client_established(struct tlsv1_client *conn)
+{
+	return conn->state == ESTABLISHED;
+}
+
+
+/**
+ * tlsv1_client_prf - Use TLS-PRF to derive keying material
+ * @conn: TLSv1 client connection data from tlsv1_client_init()
+ * @label: Label (e.g., description of the key) for PRF
+ * @server_random_first: seed is 0 = client_random|server_random,
+ * 1 = server_random|client_random
+ * @out: Buffer for output data from TLS-PRF
+ * @out_len: Length of the output buffer
+ * Returns: 0 on success, -1 on failure
+ */
+int tlsv1_client_prf(struct tlsv1_client *conn, const char *label,
+		     int server_random_first, u8 *out, size_t out_len)
+{
+	u8 seed[2 * TLS_RANDOM_LEN];
+
+	if (conn->state != ESTABLISHED)
+		return -1;
+
+	if (server_random_first) {
+		os_memcpy(seed, conn->server_random, TLS_RANDOM_LEN);
+		os_memcpy(seed + TLS_RANDOM_LEN, conn->client_random,
+			  TLS_RANDOM_LEN);
+	} else {
+		os_memcpy(seed, conn->client_random, TLS_RANDOM_LEN);
+		os_memcpy(seed + TLS_RANDOM_LEN, conn->server_random,
+			  TLS_RANDOM_LEN);
+	}
+
+	return tls_prf(conn->master_secret, TLS_MASTER_SECRET_LEN,
+		       label, seed, 2 * TLS_RANDOM_LEN, out, out_len);
+}
+
+
+/**
+ * tlsv1_client_get_cipher - Get current cipher name
+ * @conn: TLSv1 client connection data from tlsv1_client_init()
+ * @buf: Buffer for the cipher name
+ * @buflen: buf size
+ * Returns: 0 on success, -1 on failure
+ *
+ * Get the name of the currently used cipher.
+ */
+int tlsv1_client_get_cipher(struct tlsv1_client *conn, char *buf,
+			    size_t buflen)
+{
+	char *cipher;
+
+	switch (conn->rl.cipher_suite) {
+	case TLS_RSA_WITH_RC4_128_MD5:
+		cipher = "RC4-MD5";
+		break;
+	case TLS_RSA_WITH_RC4_128_SHA:
+		cipher = "RC4-SHA";
+		break;
+	case TLS_RSA_WITH_DES_CBC_SHA:
+		cipher = "DES-CBC-SHA";
+		break;
+	case TLS_RSA_WITH_3DES_EDE_CBC_SHA:
+		cipher = "DES-CBC3-SHA";
+		break;
+	case TLS_DH_anon_WITH_AES_128_CBC_SHA:
+		cipher = "ADH-AES-128-SHA";
+		break;
+	case TLS_RSA_WITH_AES_256_CBC_SHA:
+		cipher = "AES-256-SHA";
+		break;
+	case TLS_RSA_WITH_AES_128_CBC_SHA:
+		cipher = "AES-128-SHA";
+		break;
+	default:
+		return -1;
+	}
+
+	if (os_strlcpy(buf, cipher, buflen) >= buflen)
+		return -1;
+	return 0;
+}
+
+
+/**
+ * tlsv1_client_shutdown - Shutdown TLS connection
+ * @conn: TLSv1 client connection data from tlsv1_client_init()
+ * Returns: 0 on success, -1 on failure
+ */
+int tlsv1_client_shutdown(struct tlsv1_client *conn)
+{
+	conn->state = CLIENT_HELLO;
+
+	if (tls_verify_hash_init(&conn->verify) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to re-initialize verify "
+			   "hash");
+		return -1;
+	}
+
+	tlsv1_record_set_cipher_suite(&conn->rl, TLS_NULL_WITH_NULL_NULL);
+	tlsv1_record_change_write_cipher(&conn->rl);
+	tlsv1_record_change_read_cipher(&conn->rl);
+
+	conn->certificate_requested = 0;
+	crypto_public_key_free(conn->server_rsa_key);
+	conn->server_rsa_key = NULL;
+	conn->session_resumed = 0;
+
+	return 0;
+}
+
+
+/**
+ * tlsv1_client_resumed - Was session resumption used
+ * @conn: TLSv1 client connection data from tlsv1_client_init()
+ * Returns: 1 if current session used session resumption, 0 if not
+ */
+int tlsv1_client_resumed(struct tlsv1_client *conn)
+{
+	return !!conn->session_resumed;
+}
+
+
+/**
+ * tlsv1_client_hello_ext - Set TLS extension for ClientHello
+ * @conn: TLSv1 client connection data from tlsv1_client_init()
+ * @ext_type: Extension type
+ * @data: Extension payload (%NULL to remove extension)
+ * @data_len: Extension payload length
+ * Returns: 0 on success, -1 on failure
+ */
+int tlsv1_client_hello_ext(struct tlsv1_client *conn, int ext_type,
+			   const u8 *data, size_t data_len)
+{
+	u8 *pos;
+
+	conn->session_ticket_included = 0;
+	os_free(conn->client_hello_ext);
+	conn->client_hello_ext = NULL;
+	conn->client_hello_ext_len = 0;
+
+	if (data == NULL || data_len == 0)
+		return 0;
+
+	pos = conn->client_hello_ext = os_malloc(6 + data_len);
+	if (pos == NULL)
+		return -1;
+
+	WPA_PUT_BE16(pos, 4 + data_len);
+	pos += 2;
+	WPA_PUT_BE16(pos, ext_type);
+	pos += 2;
+	WPA_PUT_BE16(pos, data_len);
+	pos += 2;
+	os_memcpy(pos, data, data_len);
+	conn->client_hello_ext_len = 6 + data_len;
+
+	if (ext_type == TLS_EXT_PAC_OPAQUE) {
+		conn->session_ticket_included = 1;
+		wpa_printf(MSG_DEBUG, "TLSv1: Using session ticket");
+	}
+
+	return 0;
+}
+
+
+/**
+ * tlsv1_client_get_keys - Get master key and random data from TLS connection
+ * @conn: TLSv1 client connection data from tlsv1_client_init()
+ * @keys: Structure of key/random data (filled on success)
+ * Returns: 0 on success, -1 on failure
+ */
+int tlsv1_client_get_keys(struct tlsv1_client *conn, struct tls_keys *keys)
+{
+	os_memset(keys, 0, sizeof(*keys));
+	if (conn->state == CLIENT_HELLO)
+		return -1;
+
+	keys->client_random = conn->client_random;
+	keys->client_random_len = TLS_RANDOM_LEN;
+
+	if (conn->state != SERVER_HELLO) {
+		keys->server_random = conn->server_random;
+		keys->server_random_len = TLS_RANDOM_LEN;
+		keys->master_key = conn->master_secret;
+		keys->master_key_len = TLS_MASTER_SECRET_LEN;
+	}
+
+	return 0;
+}
+
+
+/**
+ * tlsv1_client_get_keyblock_size - Get TLS key_block size
+ * @conn: TLSv1 client connection data from tlsv1_client_init()
+ * Returns: Size of the key_block for the negotiated cipher suite or -1 on
+ * failure
+ */
+int tlsv1_client_get_keyblock_size(struct tlsv1_client *conn)
+{
+	if (conn->state == CLIENT_HELLO || conn->state == SERVER_HELLO)
+		return -1;
+
+	return 2 * (conn->rl.hash_size + conn->rl.key_material_len +
+		    conn->rl.iv_size);
+}
+
+
+/**
+ * tlsv1_client_set_cipher_list - Configure acceptable cipher suites
+ * @conn: TLSv1 client connection data from tlsv1_client_init()
+ * @ciphers: Zero (TLS_CIPHER_NONE) terminated list of allowed ciphers
+ * (TLS_CIPHER_*).
+ * Returns: 0 on success, -1 on failure
+ */
+int tlsv1_client_set_cipher_list(struct tlsv1_client *conn, u8 *ciphers)
+{
+	size_t count;
+	u16 *suites;
+
+	/* TODO: implement proper configuration of cipher suites */
+	if (ciphers[0] == TLS_CIPHER_ANON_DH_AES128_SHA) {
+		count = 0;
+		suites = conn->cipher_suites;
+#ifndef CONFIG_CRYPTO_INTERNAL
+		suites[count++] = TLS_DH_anon_WITH_AES_256_CBC_SHA;
+#endif /* CONFIG_CRYPTO_INTERNAL */
+		suites[count++] = TLS_DH_anon_WITH_AES_128_CBC_SHA;
+		suites[count++] = TLS_DH_anon_WITH_3DES_EDE_CBC_SHA;
+		suites[count++] = TLS_DH_anon_WITH_RC4_128_MD5;
+		suites[count++] = TLS_DH_anon_WITH_DES_CBC_SHA;
+
+		/*
+		 * Cisco AP (at least 350 and 1200 series) local authentication
+		 * server does not know how to search cipher suites from the
+		 * list and seem to require that the last entry in the list is
+		 * the one that it wants to use. However, TLS specification
+		 * requires the list to be in the client preference order. As a
+		 * workaround, add anon-DH AES-128-SHA1 again at the end of the
+		 * list to allow the Cisco code to find it.
+		 */
+		suites[count++] = TLS_DH_anon_WITH_AES_128_CBC_SHA;
+		conn->num_cipher_suites = count;
+	}
+
+	return 0;
+}
+
+
+/**
+ * tlsv1_client_set_cred - Set client credentials
+ * @conn: TLSv1 client connection data from tlsv1_client_init()
+ * @cred: Credentials from tlsv1_cred_alloc()
+ * Returns: 0 on success, -1 on failure
+ *
+ * On success, the client takes ownership of the credentials block and caller
+ * must not free it. On failure, caller is responsible for freeing the
+ * credential block.
+ */
+int tlsv1_client_set_cred(struct tlsv1_client *conn,
+			  struct tlsv1_credentials *cred)
+{
+	tlsv1_cred_free(conn->cred);
+	conn->cred = cred;
+	return 0;
+}
+
+
+void tlsv1_client_set_session_ticket_cb(struct tlsv1_client *conn,
+					tlsv1_client_session_ticket_cb cb,
+					void *ctx)
+{
+	wpa_printf(MSG_DEBUG, "TLSv1: SessionTicket callback set %p (ctx %p)",
+		   cb, ctx);
+	conn->session_ticket_cb = cb;
+	conn->session_ticket_cb_ctx = ctx;
+}
diff --git a/src/tls/tlsv1_client.h b/src/tls/tlsv1_client.h
new file mode 100644
index 0000000..16ad57d
--- /dev/null
+++ b/src/tls/tlsv1_client.h
@@ -0,0 +1,59 @@
+/*
+ * TLSv1 client (RFC 2246)
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef TLSV1_CLIENT_H
+#define TLSV1_CLIENT_H
+
+#include "tlsv1_cred.h"
+
+struct tlsv1_client;
+
+int tlsv1_client_global_init(void);
+void tlsv1_client_global_deinit(void);
+struct tlsv1_client * tlsv1_client_init(void);
+void tlsv1_client_deinit(struct tlsv1_client *conn);
+int tlsv1_client_established(struct tlsv1_client *conn);
+int tlsv1_client_prf(struct tlsv1_client *conn, const char *label,
+		     int server_random_first, u8 *out, size_t out_len);
+u8 * tlsv1_client_handshake(struct tlsv1_client *conn,
+			    const u8 *in_data, size_t in_len,
+			    size_t *out_len, u8 **appl_data,
+			    size_t *appl_data_len);
+int tlsv1_client_encrypt(struct tlsv1_client *conn,
+			 const u8 *in_data, size_t in_len,
+			 u8 *out_data, size_t out_len);
+int tlsv1_client_decrypt(struct tlsv1_client *conn,
+			 const u8 *in_data, size_t in_len,
+			 u8 *out_data, size_t out_len);
+int tlsv1_client_get_cipher(struct tlsv1_client *conn, char *buf,
+			    size_t buflen);
+int tlsv1_client_shutdown(struct tlsv1_client *conn);
+int tlsv1_client_resumed(struct tlsv1_client *conn);
+int tlsv1_client_hello_ext(struct tlsv1_client *conn, int ext_type,
+			   const u8 *data, size_t data_len);
+int tlsv1_client_get_keys(struct tlsv1_client *conn, struct tls_keys *keys);
+int tlsv1_client_get_keyblock_size(struct tlsv1_client *conn);
+int tlsv1_client_set_cipher_list(struct tlsv1_client *conn, u8 *ciphers);
+int tlsv1_client_set_cred(struct tlsv1_client *conn,
+			  struct tlsv1_credentials *cred);
+
+typedef int (*tlsv1_client_session_ticket_cb)
+(void *ctx, const u8 *ticket, size_t len, const u8 *client_random,
+ const u8 *server_random, u8 *master_secret);
+
+void tlsv1_client_set_session_ticket_cb(struct tlsv1_client *conn,
+					tlsv1_client_session_ticket_cb cb,
+					void *ctx);
+
+#endif /* TLSV1_CLIENT_H */
diff --git a/src/tls/tlsv1_client_i.h b/src/tls/tlsv1_client_i.h
new file mode 100644
index 0000000..7fe179f
--- /dev/null
+++ b/src/tls/tlsv1_client_i.h
@@ -0,0 +1,87 @@
+/*
+ * TLSv1 client - internal structures
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef TLSV1_CLIENT_I_H
+#define TLSV1_CLIENT_I_H
+
+struct tlsv1_client {
+	enum {
+		CLIENT_HELLO, SERVER_HELLO, SERVER_CERTIFICATE,
+		SERVER_KEY_EXCHANGE, SERVER_CERTIFICATE_REQUEST,
+		SERVER_HELLO_DONE, CLIENT_KEY_EXCHANGE, CHANGE_CIPHER_SPEC,
+		SERVER_CHANGE_CIPHER_SPEC, SERVER_FINISHED, ACK_FINISHED,
+		ESTABLISHED, FAILED
+	} state;
+
+	struct tlsv1_record_layer rl;
+
+	u8 session_id[TLS_SESSION_ID_MAX_LEN];
+	size_t session_id_len;
+	u8 client_random[TLS_RANDOM_LEN];
+	u8 server_random[TLS_RANDOM_LEN];
+	u8 master_secret[TLS_MASTER_SECRET_LEN];
+
+	u8 alert_level;
+	u8 alert_description;
+
+	unsigned int certificate_requested:1;
+	unsigned int session_resumed:1;
+	unsigned int session_ticket_included:1;
+	unsigned int use_session_ticket:1;
+
+	struct crypto_public_key *server_rsa_key;
+
+	struct tls_verify_hash verify;
+
+#define MAX_CIPHER_COUNT 30
+	u16 cipher_suites[MAX_CIPHER_COUNT];
+	size_t num_cipher_suites;
+
+	u16 prev_cipher_suite;
+
+	u8 *client_hello_ext;
+	size_t client_hello_ext_len;
+
+	/* The prime modulus used for Diffie-Hellman */
+	u8 *dh_p;
+	size_t dh_p_len;
+	/* The generator used for Diffie-Hellman */
+	u8 *dh_g;
+	size_t dh_g_len;
+	/* The server's Diffie-Hellman public value */
+	u8 *dh_ys;
+	size_t dh_ys_len;
+
+	struct tlsv1_credentials *cred;
+
+	tlsv1_client_session_ticket_cb session_ticket_cb;
+	void *session_ticket_cb_ctx;
+};
+
+
+void tls_alert(struct tlsv1_client *conn, u8 level, u8 description);
+void tlsv1_client_free_dh(struct tlsv1_client *conn);
+int tls_derive_pre_master_secret(u8 *pre_master_secret);
+int tls_derive_keys(struct tlsv1_client *conn,
+		    const u8 *pre_master_secret, size_t pre_master_secret_len);
+u8 * tls_send_client_hello(struct tlsv1_client *conn, size_t *out_len);
+u8 * tlsv1_client_send_alert(struct tlsv1_client *conn, u8 level,
+			     u8 description, size_t *out_len);
+u8 * tlsv1_client_handshake_write(struct tlsv1_client *conn, size_t *out_len,
+				  int no_appl_data);
+int tlsv1_client_process_handshake(struct tlsv1_client *conn, u8 ct,
+				   const u8 *buf, size_t *len,
+				   u8 **out_data, size_t *out_len);
+
+#endif /* TLSV1_CLIENT_I_H */
diff --git a/src/tls/tlsv1_client_read.c b/src/tls/tlsv1_client_read.c
new file mode 100644
index 0000000..ed3f260
--- /dev/null
+++ b/src/tls/tlsv1_client_read.c
@@ -0,0 +1,976 @@
+/*
+ * TLSv1 client - read handshake message
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/md5.h"
+#include "crypto/sha1.h"
+#include "crypto/tls.h"
+#include "x509v3.h"
+#include "tlsv1_common.h"
+#include "tlsv1_record.h"
+#include "tlsv1_client.h"
+#include "tlsv1_client_i.h"
+
+static int tls_process_server_key_exchange(struct tlsv1_client *conn, u8 ct,
+					   const u8 *in_data, size_t *in_len);
+static int tls_process_certificate_request(struct tlsv1_client *conn, u8 ct,
+					   const u8 *in_data, size_t *in_len);
+static int tls_process_server_hello_done(struct tlsv1_client *conn, u8 ct,
+					 const u8 *in_data, size_t *in_len);
+
+
+static int tls_process_server_hello(struct tlsv1_client *conn, u8 ct,
+				    const u8 *in_data, size_t *in_len)
+{
+	const u8 *pos, *end;
+	size_t left, len, i;
+	u16 cipher_suite;
+
+	if (ct != TLS_CONTENT_TYPE_HANDSHAKE) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Expected Handshake; "
+			   "received content type 0x%x", ct);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	pos = in_data;
+	left = *in_len;
+
+	if (left < 4)
+		goto decode_error;
+
+	/* HandshakeType msg_type */
+	if (*pos != TLS_HANDSHAKE_TYPE_SERVER_HELLO) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Received unexpected handshake "
+			   "message %d (expected ServerHello)", *pos);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+	wpa_printf(MSG_DEBUG, "TLSv1: Received ServerHello");
+	pos++;
+	/* uint24 length */
+	len = WPA_GET_BE24(pos);
+	pos += 3;
+	left -= 4;
+
+	if (len > left)
+		goto decode_error;
+
+	/* body - ServerHello */
+
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: ServerHello", pos, len);
+	end = pos + len;
+
+	/* ProtocolVersion server_version */
+	if (end - pos < 2)
+		goto decode_error;
+	if (WPA_GET_BE16(pos) != TLS_VERSION) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Unexpected protocol version in "
+			   "ServerHello");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_PROTOCOL_VERSION);
+		return -1;
+	}
+	pos += 2;
+
+	/* Random random */
+	if (end - pos < TLS_RANDOM_LEN)
+		goto decode_error;
+
+	os_memcpy(conn->server_random, pos, TLS_RANDOM_LEN);
+	pos += TLS_RANDOM_LEN;
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: server_random",
+		    conn->server_random, TLS_RANDOM_LEN);
+
+	/* SessionID session_id */
+	if (end - pos < 1)
+		goto decode_error;
+	if (end - pos < 1 + *pos || *pos > TLS_SESSION_ID_MAX_LEN)
+		goto decode_error;
+	if (conn->session_id_len && conn->session_id_len == *pos &&
+	    os_memcmp(conn->session_id, pos + 1, conn->session_id_len) == 0) {
+		pos += 1 + conn->session_id_len;
+		wpa_printf(MSG_DEBUG, "TLSv1: Resuming old session");
+		conn->session_resumed = 1;
+	} else {
+		conn->session_id_len = *pos;
+		pos++;
+		os_memcpy(conn->session_id, pos, conn->session_id_len);
+		pos += conn->session_id_len;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: session_id",
+		    conn->session_id, conn->session_id_len);
+
+	/* CipherSuite cipher_suite */
+	if (end - pos < 2)
+		goto decode_error;
+	cipher_suite = WPA_GET_BE16(pos);
+	pos += 2;
+	for (i = 0; i < conn->num_cipher_suites; i++) {
+		if (cipher_suite == conn->cipher_suites[i])
+			break;
+	}
+	if (i == conn->num_cipher_suites) {
+		wpa_printf(MSG_INFO, "TLSv1: Server selected unexpected "
+			   "cipher suite 0x%04x", cipher_suite);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_ILLEGAL_PARAMETER);
+		return -1;
+	}
+
+	if (conn->session_resumed && cipher_suite != conn->prev_cipher_suite) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Server selected a different "
+			   "cipher suite for a resumed connection (0x%04x != "
+			   "0x%04x)", cipher_suite, conn->prev_cipher_suite);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_ILLEGAL_PARAMETER);
+		return -1;
+	}
+
+	if (tlsv1_record_set_cipher_suite(&conn->rl, cipher_suite) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to set CipherSuite for "
+			   "record layer");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	conn->prev_cipher_suite = cipher_suite;
+
+	/* CompressionMethod compression_method */
+	if (end - pos < 1)
+		goto decode_error;
+	if (*pos != TLS_COMPRESSION_NULL) {
+		wpa_printf(MSG_INFO, "TLSv1: Server selected unexpected "
+			   "compression 0x%02x", *pos);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_ILLEGAL_PARAMETER);
+		return -1;
+	}
+	pos++;
+
+	if (end != pos) {
+		/* TODO: ServerHello extensions */
+		wpa_hexdump(MSG_DEBUG, "TLSv1: Unexpected extra data in the "
+			    "end of ServerHello", pos, end - pos);
+		goto decode_error;
+	}
+
+	if (conn->session_ticket_included && conn->session_ticket_cb) {
+		/* TODO: include SessionTicket extension if one was included in
+		 * ServerHello */
+		int res = conn->session_ticket_cb(
+			conn->session_ticket_cb_ctx, NULL, 0,
+			conn->client_random, conn->server_random,
+			conn->master_secret);
+		if (res < 0) {
+			wpa_printf(MSG_DEBUG, "TLSv1: SessionTicket callback "
+				   "indicated failure");
+			tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				  TLS_ALERT_HANDSHAKE_FAILURE);
+			return -1;
+		}
+		conn->use_session_ticket = !!res;
+	}
+
+	if ((conn->session_resumed || conn->use_session_ticket) &&
+	    tls_derive_keys(conn, NULL, 0)) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to derive keys");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	*in_len = end - in_data;
+
+	conn->state = (conn->session_resumed || conn->use_session_ticket) ?
+		SERVER_CHANGE_CIPHER_SPEC : SERVER_CERTIFICATE;
+
+	return 0;
+
+decode_error:
+	wpa_printf(MSG_DEBUG, "TLSv1: Failed to decode ServerHello");
+	tls_alert(conn, TLS_ALERT_LEVEL_FATAL, TLS_ALERT_DECODE_ERROR);
+	return -1;
+}
+
+
+static int tls_process_certificate(struct tlsv1_client *conn, u8 ct,
+				   const u8 *in_data, size_t *in_len)
+{
+	const u8 *pos, *end;
+	size_t left, len, list_len, cert_len, idx;
+	u8 type;
+	struct x509_certificate *chain = NULL, *last = NULL, *cert;
+	int reason;
+
+	if (ct != TLS_CONTENT_TYPE_HANDSHAKE) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Expected Handshake; "
+			   "received content type 0x%x", ct);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	pos = in_data;
+	left = *in_len;
+
+	if (left < 4) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Too short Certificate message "
+			   "(len=%lu)", (unsigned long) left);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL, TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	type = *pos++;
+	len = WPA_GET_BE24(pos);
+	pos += 3;
+	left -= 4;
+
+	if (len > left) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Unexpected Certificate message "
+			   "length (len=%lu != left=%lu)",
+			   (unsigned long) len, (unsigned long) left);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL, TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	if (type == TLS_HANDSHAKE_TYPE_SERVER_KEY_EXCHANGE)
+		return tls_process_server_key_exchange(conn, ct, in_data,
+						       in_len);
+	if (type == TLS_HANDSHAKE_TYPE_CERTIFICATE_REQUEST)
+		return tls_process_certificate_request(conn, ct, in_data,
+						       in_len);
+	if (type == TLS_HANDSHAKE_TYPE_SERVER_HELLO_DONE)
+		return tls_process_server_hello_done(conn, ct, in_data,
+						     in_len);
+	if (type != TLS_HANDSHAKE_TYPE_CERTIFICATE) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Received unexpected handshake "
+			   "message %d (expected Certificate/"
+			   "ServerKeyExchange/CertificateRequest/"
+			   "ServerHelloDone)", type);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG,
+		   "TLSv1: Received Certificate (certificate_list len %lu)",
+		   (unsigned long) len);
+
+	/*
+	 * opaque ASN.1Cert<2^24-1>;
+	 *
+	 * struct {
+	 *     ASN.1Cert certificate_list<1..2^24-1>;
+	 * } Certificate;
+	 */
+
+	end = pos + len;
+
+	if (end - pos < 3) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Too short Certificate "
+			   "(left=%lu)", (unsigned long) left);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL, TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	list_len = WPA_GET_BE24(pos);
+	pos += 3;
+
+	if ((size_t) (end - pos) != list_len) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Unexpected certificate_list "
+			   "length (len=%lu left=%lu)",
+			   (unsigned long) list_len,
+			   (unsigned long) (end - pos));
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL, TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	idx = 0;
+	while (pos < end) {
+		if (end - pos < 3) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Failed to parse "
+				   "certificate_list");
+			tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				  TLS_ALERT_DECODE_ERROR);
+			x509_certificate_chain_free(chain);
+			return -1;
+		}
+
+		cert_len = WPA_GET_BE24(pos);
+		pos += 3;
+
+		if ((size_t) (end - pos) < cert_len) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Unexpected certificate "
+				   "length (len=%lu left=%lu)",
+				   (unsigned long) cert_len,
+				   (unsigned long) (end - pos));
+			tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				  TLS_ALERT_DECODE_ERROR);
+			x509_certificate_chain_free(chain);
+			return -1;
+		}
+
+		wpa_printf(MSG_DEBUG, "TLSv1: Certificate %lu (len %lu)",
+			   (unsigned long) idx, (unsigned long) cert_len);
+
+		if (idx == 0) {
+			crypto_public_key_free(conn->server_rsa_key);
+			if (tls_parse_cert(pos, cert_len,
+					   &conn->server_rsa_key)) {
+				wpa_printf(MSG_DEBUG, "TLSv1: Failed to parse "
+					   "the certificate");
+				tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+					  TLS_ALERT_BAD_CERTIFICATE);
+				x509_certificate_chain_free(chain);
+				return -1;
+			}
+		}
+
+		cert = x509_certificate_parse(pos, cert_len);
+		if (cert == NULL) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Failed to parse "
+				   "the certificate");
+			tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				  TLS_ALERT_BAD_CERTIFICATE);
+			x509_certificate_chain_free(chain);
+			return -1;
+		}
+
+		if (last == NULL)
+			chain = cert;
+		else
+			last->next = cert;
+		last = cert;
+
+		idx++;
+		pos += cert_len;
+	}
+
+	if (conn->cred &&
+	    x509_certificate_chain_validate(conn->cred->trusted_certs, chain,
+					    &reason) < 0) {
+		int tls_reason;
+		wpa_printf(MSG_DEBUG, "TLSv1: Server certificate chain "
+			   "validation failed (reason=%d)", reason);
+		switch (reason) {
+		case X509_VALIDATE_BAD_CERTIFICATE:
+			tls_reason = TLS_ALERT_BAD_CERTIFICATE;
+			break;
+		case X509_VALIDATE_UNSUPPORTED_CERTIFICATE:
+			tls_reason = TLS_ALERT_UNSUPPORTED_CERTIFICATE;
+			break;
+		case X509_VALIDATE_CERTIFICATE_REVOKED:
+			tls_reason = TLS_ALERT_CERTIFICATE_REVOKED;
+			break;
+		case X509_VALIDATE_CERTIFICATE_EXPIRED:
+			tls_reason = TLS_ALERT_CERTIFICATE_EXPIRED;
+			break;
+		case X509_VALIDATE_CERTIFICATE_UNKNOWN:
+			tls_reason = TLS_ALERT_CERTIFICATE_UNKNOWN;
+			break;
+		case X509_VALIDATE_UNKNOWN_CA:
+			tls_reason = TLS_ALERT_UNKNOWN_CA;
+			break;
+		default:
+			tls_reason = TLS_ALERT_BAD_CERTIFICATE;
+			break;
+		}
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL, tls_reason);
+		x509_certificate_chain_free(chain);
+		return -1;
+	}
+
+	x509_certificate_chain_free(chain);
+
+	*in_len = end - in_data;
+
+	conn->state = SERVER_KEY_EXCHANGE;
+
+	return 0;
+}
+
+
+static int tlsv1_process_diffie_hellman(struct tlsv1_client *conn,
+					const u8 *buf, size_t len)
+{
+	const u8 *pos, *end;
+
+	tlsv1_client_free_dh(conn);
+
+	pos = buf;
+	end = buf + len;
+
+	if (end - pos < 3)
+		goto fail;
+	conn->dh_p_len = WPA_GET_BE16(pos);
+	pos += 2;
+	if (conn->dh_p_len == 0 || end - pos < (int) conn->dh_p_len) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Invalid dh_p length %lu",
+			   (unsigned long) conn->dh_p_len);
+		goto fail;
+	}
+	conn->dh_p = os_malloc(conn->dh_p_len);
+	if (conn->dh_p == NULL)
+		goto fail;
+	os_memcpy(conn->dh_p, pos, conn->dh_p_len);
+	pos += conn->dh_p_len;
+	wpa_hexdump(MSG_DEBUG, "TLSv1: DH p (prime)",
+		    conn->dh_p, conn->dh_p_len);
+
+	if (end - pos < 3)
+		goto fail;
+	conn->dh_g_len = WPA_GET_BE16(pos);
+	pos += 2;
+	if (conn->dh_g_len == 0 || end - pos < (int) conn->dh_g_len)
+		goto fail;
+	conn->dh_g = os_malloc(conn->dh_g_len);
+	if (conn->dh_g == NULL)
+		goto fail;
+	os_memcpy(conn->dh_g, pos, conn->dh_g_len);
+	pos += conn->dh_g_len;
+	wpa_hexdump(MSG_DEBUG, "TLSv1: DH g (generator)",
+		    conn->dh_g, conn->dh_g_len);
+	if (conn->dh_g_len == 1 && conn->dh_g[0] < 2)
+		goto fail;
+
+	if (end - pos < 3)
+		goto fail;
+	conn->dh_ys_len = WPA_GET_BE16(pos);
+	pos += 2;
+	if (conn->dh_ys_len == 0 || end - pos < (int) conn->dh_ys_len)
+		goto fail;
+	conn->dh_ys = os_malloc(conn->dh_ys_len);
+	if (conn->dh_ys == NULL)
+		goto fail;
+	os_memcpy(conn->dh_ys, pos, conn->dh_ys_len);
+	pos += conn->dh_ys_len;
+	wpa_hexdump(MSG_DEBUG, "TLSv1: DH Ys (server's public value)",
+		    conn->dh_ys, conn->dh_ys_len);
+
+	return 0;
+
+fail:
+	wpa_printf(MSG_DEBUG, "TLSv1: Processing DH params failed");
+	tlsv1_client_free_dh(conn);
+	return -1;
+}
+
+
+static int tls_process_server_key_exchange(struct tlsv1_client *conn, u8 ct,
+					   const u8 *in_data, size_t *in_len)
+{
+	const u8 *pos, *end;
+	size_t left, len;
+	u8 type;
+	const struct tls_cipher_suite *suite;
+
+	if (ct != TLS_CONTENT_TYPE_HANDSHAKE) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Expected Handshake; "
+			   "received content type 0x%x", ct);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	pos = in_data;
+	left = *in_len;
+
+	if (left < 4) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Too short ServerKeyExchange "
+			   "(Left=%lu)", (unsigned long) left);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL, TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	type = *pos++;
+	len = WPA_GET_BE24(pos);
+	pos += 3;
+	left -= 4;
+
+	if (len > left) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Mismatch in ServerKeyExchange "
+			   "length (len=%lu != left=%lu)",
+			   (unsigned long) len, (unsigned long) left);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL, TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	end = pos + len;
+
+	if (type == TLS_HANDSHAKE_TYPE_CERTIFICATE_REQUEST)
+		return tls_process_certificate_request(conn, ct, in_data,
+						       in_len);
+	if (type == TLS_HANDSHAKE_TYPE_SERVER_HELLO_DONE)
+		return tls_process_server_hello_done(conn, ct, in_data,
+						     in_len);
+	if (type != TLS_HANDSHAKE_TYPE_SERVER_KEY_EXCHANGE) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Received unexpected handshake "
+			   "message %d (expected ServerKeyExchange/"
+			   "CertificateRequest/ServerHelloDone)", type);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Received ServerKeyExchange");
+
+	if (!tls_server_key_exchange_allowed(conn->rl.cipher_suite)) {
+		wpa_printf(MSG_DEBUG, "TLSv1: ServerKeyExchange not allowed "
+			   "with the selected cipher suite");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	wpa_hexdump(MSG_DEBUG, "TLSv1: ServerKeyExchange", pos, len);
+	suite = tls_get_cipher_suite(conn->rl.cipher_suite);
+	if (suite && suite->key_exchange == TLS_KEY_X_DH_anon) {
+		if (tlsv1_process_diffie_hellman(conn, pos, len) < 0) {
+			tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				  TLS_ALERT_DECODE_ERROR);
+			return -1;
+		}
+	} else {
+		wpa_printf(MSG_DEBUG, "TLSv1: UnexpectedServerKeyExchange");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	*in_len = end - in_data;
+
+	conn->state = SERVER_CERTIFICATE_REQUEST;
+
+	return 0;
+}
+
+
+static int tls_process_certificate_request(struct tlsv1_client *conn, u8 ct,
+					   const u8 *in_data, size_t *in_len)
+{
+	const u8 *pos, *end;
+	size_t left, len;
+	u8 type;
+
+	if (ct != TLS_CONTENT_TYPE_HANDSHAKE) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Expected Handshake; "
+			   "received content type 0x%x", ct);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	pos = in_data;
+	left = *in_len;
+
+	if (left < 4) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Too short CertificateRequest "
+			   "(left=%lu)", (unsigned long) left);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL, TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	type = *pos++;
+	len = WPA_GET_BE24(pos);
+	pos += 3;
+	left -= 4;
+
+	if (len > left) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Mismatch in CertificateRequest "
+			   "length (len=%lu != left=%lu)",
+			   (unsigned long) len, (unsigned long) left);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL, TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	end = pos + len;
+
+	if (type == TLS_HANDSHAKE_TYPE_SERVER_HELLO_DONE)
+		return tls_process_server_hello_done(conn, ct, in_data,
+						     in_len);
+	if (type != TLS_HANDSHAKE_TYPE_CERTIFICATE_REQUEST) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Received unexpected handshake "
+			   "message %d (expected CertificateRequest/"
+			   "ServerHelloDone)", type);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Received CertificateRequest");
+
+	conn->certificate_requested = 1;
+
+	*in_len = end - in_data;
+
+	conn->state = SERVER_HELLO_DONE;
+
+	return 0;
+}
+
+
+static int tls_process_server_hello_done(struct tlsv1_client *conn, u8 ct,
+					 const u8 *in_data, size_t *in_len)
+{
+	const u8 *pos, *end;
+	size_t left, len;
+	u8 type;
+
+	if (ct != TLS_CONTENT_TYPE_HANDSHAKE) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Expected Handshake; "
+			   "received content type 0x%x", ct);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	pos = in_data;
+	left = *in_len;
+
+	if (left < 4) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Too short ServerHelloDone "
+			   "(left=%lu)", (unsigned long) left);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL, TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	type = *pos++;
+	len = WPA_GET_BE24(pos);
+	pos += 3;
+	left -= 4;
+
+	if (len > left) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Mismatch in ServerHelloDone "
+			   "length (len=%lu != left=%lu)",
+			   (unsigned long) len, (unsigned long) left);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL, TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+	end = pos + len;
+
+	if (type != TLS_HANDSHAKE_TYPE_SERVER_HELLO_DONE) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Received unexpected handshake "
+			   "message %d (expected ServerHelloDone)", type);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Received ServerHelloDone");
+
+	*in_len = end - in_data;
+
+	conn->state = CLIENT_KEY_EXCHANGE;
+
+	return 0;
+}
+
+
+static int tls_process_server_change_cipher_spec(struct tlsv1_client *conn,
+						 u8 ct, const u8 *in_data,
+						 size_t *in_len)
+{
+	const u8 *pos;
+	size_t left;
+
+	if (ct != TLS_CONTENT_TYPE_CHANGE_CIPHER_SPEC) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Expected ChangeCipherSpec; "
+			   "received content type 0x%x", ct);
+		if (conn->use_session_ticket) {
+			int res;
+			wpa_printf(MSG_DEBUG, "TLSv1: Server may have "
+				   "rejected SessionTicket");
+			conn->use_session_ticket = 0;
+
+			/* Notify upper layers that SessionTicket failed */
+			res = conn->session_ticket_cb(
+				conn->session_ticket_cb_ctx, NULL, 0, NULL,
+				NULL, NULL);
+			if (res < 0) {
+				wpa_printf(MSG_DEBUG, "TLSv1: SessionTicket "
+					   "callback indicated failure");
+				tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+					  TLS_ALERT_HANDSHAKE_FAILURE);
+				return -1;
+			}
+
+			conn->state = SERVER_CERTIFICATE;
+			return tls_process_certificate(conn, ct, in_data,
+						       in_len);
+		}
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	pos = in_data;
+	left = *in_len;
+
+	if (left < 1) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Too short ChangeCipherSpec");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL, TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	if (*pos != TLS_CHANGE_CIPHER_SPEC) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Expected ChangeCipherSpec; "
+			   "received data 0x%x", *pos);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Received ChangeCipherSpec");
+	if (tlsv1_record_change_read_cipher(&conn->rl) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to change read cipher "
+			   "for record layer");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	*in_len = pos + 1 - in_data;
+
+	conn->state = SERVER_FINISHED;
+
+	return 0;
+}
+
+
+static int tls_process_server_finished(struct tlsv1_client *conn, u8 ct,
+				       const u8 *in_data, size_t *in_len)
+{
+	const u8 *pos, *end;
+	size_t left, len, hlen;
+	u8 verify_data[TLS_VERIFY_DATA_LEN];
+	u8 hash[MD5_MAC_LEN + SHA1_MAC_LEN];
+
+	if (ct != TLS_CONTENT_TYPE_HANDSHAKE) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Expected Finished; "
+			   "received content type 0x%x", ct);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	pos = in_data;
+	left = *in_len;
+
+	if (left < 4) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Too short record (left=%lu) for "
+			   "Finished",
+			   (unsigned long) left);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	if (pos[0] != TLS_HANDSHAKE_TYPE_FINISHED) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Expected Finished; received "
+			   "type 0x%x", pos[0]);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	len = WPA_GET_BE24(pos + 1);
+
+	pos += 4;
+	left -= 4;
+
+	if (len > left) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Too short buffer for Finished "
+			   "(len=%lu > left=%lu)",
+			   (unsigned long) len, (unsigned long) left);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+	end = pos + len;
+	if (len != TLS_VERIFY_DATA_LEN) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Unexpected verify_data length "
+			   "in Finished: %lu (expected %d)",
+			   (unsigned long) len, TLS_VERIFY_DATA_LEN);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: verify_data in Finished",
+		    pos, TLS_VERIFY_DATA_LEN);
+
+	hlen = MD5_MAC_LEN;
+	if (conn->verify.md5_server == NULL ||
+	    crypto_hash_finish(conn->verify.md5_server, hash, &hlen) < 0) {
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		conn->verify.md5_server = NULL;
+		crypto_hash_finish(conn->verify.sha1_server, NULL, NULL);
+		conn->verify.sha1_server = NULL;
+		return -1;
+	}
+	conn->verify.md5_server = NULL;
+	hlen = SHA1_MAC_LEN;
+	if (conn->verify.sha1_server == NULL ||
+	    crypto_hash_finish(conn->verify.sha1_server, hash + MD5_MAC_LEN,
+			       &hlen) < 0) {
+		conn->verify.sha1_server = NULL;
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	conn->verify.sha1_server = NULL;
+
+	if (tls_prf(conn->master_secret, TLS_MASTER_SECRET_LEN,
+		    "server finished", hash, MD5_MAC_LEN + SHA1_MAC_LEN,
+		    verify_data, TLS_VERIFY_DATA_LEN)) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to derive verify_data");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_DECRYPT_ERROR);
+		return -1;
+	}
+	wpa_hexdump_key(MSG_DEBUG, "TLSv1: verify_data (server)",
+			verify_data, TLS_VERIFY_DATA_LEN);
+
+	if (os_memcmp(pos, verify_data, TLS_VERIFY_DATA_LEN) != 0) {
+		wpa_printf(MSG_INFO, "TLSv1: Mismatch in verify_data");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Received Finished");
+
+	*in_len = end - in_data;
+
+	conn->state = (conn->session_resumed || conn->use_session_ticket) ?
+		CHANGE_CIPHER_SPEC : ACK_FINISHED;
+
+	return 0;
+}
+
+
+static int tls_process_application_data(struct tlsv1_client *conn, u8 ct,
+					const u8 *in_data, size_t *in_len,
+					u8 **out_data, size_t *out_len)
+{
+	const u8 *pos;
+	size_t left;
+
+	if (ct != TLS_CONTENT_TYPE_APPLICATION_DATA) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Expected Application Data; "
+			   "received content type 0x%x", ct);
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	pos = in_data;
+	left = *in_len;
+
+	wpa_hexdump(MSG_DEBUG, "TLSv1: Application Data included in Handshake",
+		    pos, left);
+
+	*out_data = os_malloc(left);
+	if (*out_data) {
+		os_memcpy(*out_data, pos, left);
+		*out_len = left;
+	}
+
+	return 0;
+}
+
+
+int tlsv1_client_process_handshake(struct tlsv1_client *conn, u8 ct,
+				   const u8 *buf, size_t *len,
+				   u8 **out_data, size_t *out_len)
+{
+	if (ct == TLS_CONTENT_TYPE_ALERT) {
+		if (*len < 2) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Alert underflow");
+			tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				  TLS_ALERT_DECODE_ERROR);
+			return -1;
+		}
+		wpa_printf(MSG_DEBUG, "TLSv1: Received alert %d:%d",
+			   buf[0], buf[1]);
+		*len = 2;
+		conn->state = FAILED;
+		return -1;
+	}
+
+	if (ct == TLS_CONTENT_TYPE_HANDSHAKE && *len >= 4 &&
+	    buf[0] == TLS_HANDSHAKE_TYPE_HELLO_REQUEST) {
+		size_t hr_len = WPA_GET_BE24(buf + 1);
+		if (hr_len > *len - 4) {
+			wpa_printf(MSG_DEBUG, "TLSv1: HelloRequest underflow");
+			tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				  TLS_ALERT_DECODE_ERROR);
+			return -1;
+		}
+		wpa_printf(MSG_DEBUG, "TLSv1: Ignored HelloRequest");
+		*len = 4 + hr_len;
+		return 0;
+	}
+
+	switch (conn->state) {
+	case SERVER_HELLO:
+		if (tls_process_server_hello(conn, ct, buf, len))
+			return -1;
+		break;
+	case SERVER_CERTIFICATE:
+		if (tls_process_certificate(conn, ct, buf, len))
+			return -1;
+		break;
+	case SERVER_KEY_EXCHANGE:
+		if (tls_process_server_key_exchange(conn, ct, buf, len))
+			return -1;
+		break;
+	case SERVER_CERTIFICATE_REQUEST:
+		if (tls_process_certificate_request(conn, ct, buf, len))
+			return -1;
+		break;
+	case SERVER_HELLO_DONE:
+		if (tls_process_server_hello_done(conn, ct, buf, len))
+			return -1;
+		break;
+	case SERVER_CHANGE_CIPHER_SPEC:
+		if (tls_process_server_change_cipher_spec(conn, ct, buf, len))
+			return -1;
+		break;
+	case SERVER_FINISHED:
+		if (tls_process_server_finished(conn, ct, buf, len))
+			return -1;
+		break;
+	case ACK_FINISHED:
+		if (out_data &&
+		    tls_process_application_data(conn, ct, buf, len, out_data,
+						 out_len))
+			return -1;
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "TLSv1: Unexpected state %d "
+			   "while processing received message",
+			   conn->state);
+		return -1;
+	}
+
+	if (ct == TLS_CONTENT_TYPE_HANDSHAKE)
+		tls_verify_hash_add(&conn->verify, buf, *len);
+
+	return 0;
+}
diff --git a/src/tls/tlsv1_client_write.c b/src/tls/tlsv1_client_write.c
new file mode 100644
index 0000000..0898df9
--- /dev/null
+++ b/src/tls/tlsv1_client_write.c
@@ -0,0 +1,798 @@
+/*
+ * TLSv1 client - write handshake message
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/md5.h"
+#include "crypto/sha1.h"
+#include "crypto/tls.h"
+#include "crypto/random.h"
+#include "x509v3.h"
+#include "tlsv1_common.h"
+#include "tlsv1_record.h"
+#include "tlsv1_client.h"
+#include "tlsv1_client_i.h"
+
+
+static size_t tls_client_cert_chain_der_len(struct tlsv1_client *conn)
+{
+	size_t len = 0;
+	struct x509_certificate *cert;
+
+	if (conn->cred == NULL)
+		return 0;
+
+	cert = conn->cred->cert;
+	while (cert) {
+		len += 3 + cert->cert_len;
+		if (x509_certificate_self_signed(cert))
+			break;
+		cert = x509_certificate_get_subject(conn->cred->trusted_certs,
+						    &cert->issuer);
+	}
+
+	return len;
+}
+
+
+u8 * tls_send_client_hello(struct tlsv1_client *conn, size_t *out_len)
+{
+	u8 *hello, *end, *pos, *hs_length, *hs_start, *rhdr;
+	struct os_time now;
+	size_t len, i;
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Send ClientHello");
+	*out_len = 0;
+
+	os_get_time(&now);
+	WPA_PUT_BE32(conn->client_random, now.sec);
+	if (random_get_bytes(conn->client_random + 4, TLS_RANDOM_LEN - 4)) {
+		wpa_printf(MSG_ERROR, "TLSv1: Could not generate "
+			   "client_random");
+		return NULL;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: client_random",
+		    conn->client_random, TLS_RANDOM_LEN);
+
+	len = 100 + conn->num_cipher_suites * 2 + conn->client_hello_ext_len;
+	hello = os_malloc(len);
+	if (hello == NULL)
+		return NULL;
+	end = hello + len;
+
+	rhdr = hello;
+	pos = rhdr + TLS_RECORD_HEADER_LEN;
+
+	/* opaque fragment[TLSPlaintext.length] */
+
+	/* Handshake */
+	hs_start = pos;
+	/* HandshakeType msg_type */
+	*pos++ = TLS_HANDSHAKE_TYPE_CLIENT_HELLO;
+	/* uint24 length (to be filled) */
+	hs_length = pos;
+	pos += 3;
+	/* body - ClientHello */
+	/* ProtocolVersion client_version */
+	WPA_PUT_BE16(pos, TLS_VERSION);
+	pos += 2;
+	/* Random random: uint32 gmt_unix_time, opaque random_bytes */
+	os_memcpy(pos, conn->client_random, TLS_RANDOM_LEN);
+	pos += TLS_RANDOM_LEN;
+	/* SessionID session_id */
+	*pos++ = conn->session_id_len;
+	os_memcpy(pos, conn->session_id, conn->session_id_len);
+	pos += conn->session_id_len;
+	/* CipherSuite cipher_suites<2..2^16-1> */
+	WPA_PUT_BE16(pos, 2 * conn->num_cipher_suites);
+	pos += 2;
+	for (i = 0; i < conn->num_cipher_suites; i++) {
+		WPA_PUT_BE16(pos, conn->cipher_suites[i]);
+		pos += 2;
+	}
+	/* CompressionMethod compression_methods<1..2^8-1> */
+	*pos++ = 1;
+	*pos++ = TLS_COMPRESSION_NULL;
+
+	if (conn->client_hello_ext) {
+		os_memcpy(pos, conn->client_hello_ext,
+			  conn->client_hello_ext_len);
+		pos += conn->client_hello_ext_len;
+	}
+
+	WPA_PUT_BE24(hs_length, pos - hs_length - 3);
+	tls_verify_hash_add(&conn->verify, hs_start, pos - hs_start);
+
+	if (tlsv1_record_send(&conn->rl, TLS_CONTENT_TYPE_HANDSHAKE,
+			      rhdr, end - rhdr, pos - hs_start, out_len) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to create TLS record");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		os_free(hello);
+		return NULL;
+	}
+
+	conn->state = SERVER_HELLO;
+
+	return hello;
+}
+
+
+static int tls_write_client_certificate(struct tlsv1_client *conn,
+					u8 **msgpos, u8 *end)
+{
+	u8 *pos, *rhdr, *hs_start, *hs_length, *cert_start;
+	size_t rlen;
+	struct x509_certificate *cert;
+
+	pos = *msgpos;
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Send Certificate");
+	rhdr = pos;
+	pos += TLS_RECORD_HEADER_LEN;
+
+	/* opaque fragment[TLSPlaintext.length] */
+
+	/* Handshake */
+	hs_start = pos;
+	/* HandshakeType msg_type */
+	*pos++ = TLS_HANDSHAKE_TYPE_CERTIFICATE;
+	/* uint24 length (to be filled) */
+	hs_length = pos;
+	pos += 3;
+	/* body - Certificate */
+	/* uint24 length (to be filled) */
+	cert_start = pos;
+	pos += 3;
+	cert = conn->cred ? conn->cred->cert : NULL;
+	while (cert) {
+		if (pos + 3 + cert->cert_len > end) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Not enough buffer space "
+				   "for Certificate (cert_len=%lu left=%lu)",
+				   (unsigned long) cert->cert_len,
+				   (unsigned long) (end - pos));
+			tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				  TLS_ALERT_INTERNAL_ERROR);
+			return -1;
+		}
+		WPA_PUT_BE24(pos, cert->cert_len);
+		pos += 3;
+		os_memcpy(pos, cert->cert_start, cert->cert_len);
+		pos += cert->cert_len;
+
+		if (x509_certificate_self_signed(cert))
+			break;
+		cert = x509_certificate_get_subject(conn->cred->trusted_certs,
+						    &cert->issuer);
+	}
+	if (conn->cred == NULL || cert == conn->cred->cert || cert == NULL) {
+		/*
+		 * Client was not configured with all the needed certificates
+		 * to form a full certificate chain. The server may fail to
+		 * validate the chain unless it is configured with all the
+		 * missing CA certificates.
+		 */
+		wpa_printf(MSG_DEBUG, "TLSv1: Full client certificate chain "
+			   "not configured - validation may fail");
+	}
+	WPA_PUT_BE24(cert_start, pos - cert_start - 3);
+
+	WPA_PUT_BE24(hs_length, pos - hs_length - 3);
+
+	if (tlsv1_record_send(&conn->rl, TLS_CONTENT_TYPE_HANDSHAKE,
+			      rhdr, end - rhdr, pos - hs_start, &rlen) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to generate a record");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	pos = rhdr + rlen;
+
+	tls_verify_hash_add(&conn->verify, hs_start, pos - hs_start);
+
+	*msgpos = pos;
+
+	return 0;
+}
+
+
+static int tlsv1_key_x_anon_dh(struct tlsv1_client *conn, u8 **pos, u8 *end)
+{
+	/* ClientDiffieHellmanPublic */
+	u8 *csecret, *csecret_start, *dh_yc, *shared;
+	size_t csecret_len, dh_yc_len, shared_len;
+
+	csecret_len = conn->dh_p_len;
+	csecret = os_malloc(csecret_len);
+	if (csecret == NULL) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to allocate "
+			   "memory for Yc (Diffie-Hellman)");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	if (random_get_bytes(csecret, csecret_len)) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to get random "
+			   "data for Diffie-Hellman");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		os_free(csecret);
+		return -1;
+	}
+
+	if (os_memcmp(csecret, conn->dh_p, csecret_len) > 0)
+		csecret[0] = 0; /* make sure Yc < p */
+
+	csecret_start = csecret;
+	while (csecret_len > 1 && *csecret_start == 0) {
+		csecret_start++;
+		csecret_len--;
+	}
+	wpa_hexdump_key(MSG_DEBUG, "TLSv1: DH client's secret value",
+			csecret_start, csecret_len);
+
+	/* Yc = g^csecret mod p */
+	dh_yc_len = conn->dh_p_len;
+	dh_yc = os_malloc(dh_yc_len);
+	if (dh_yc == NULL) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to allocate "
+			   "memory for Diffie-Hellman");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		os_free(csecret);
+		return -1;
+	}
+	if (crypto_mod_exp(conn->dh_g, conn->dh_g_len,
+			   csecret_start, csecret_len,
+			   conn->dh_p, conn->dh_p_len,
+			   dh_yc, &dh_yc_len)) {
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		os_free(csecret);
+		os_free(dh_yc);
+		return -1;
+	}
+
+	wpa_hexdump(MSG_DEBUG, "TLSv1: DH Yc (client's public value)",
+		    dh_yc, dh_yc_len);
+
+	WPA_PUT_BE16(*pos, dh_yc_len);
+	*pos += 2;
+	if (*pos + dh_yc_len > end) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Not enough room in the "
+			   "message buffer for Yc");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		os_free(csecret);
+		os_free(dh_yc);
+		return -1;
+	}
+	os_memcpy(*pos, dh_yc, dh_yc_len);
+	*pos += dh_yc_len;
+	os_free(dh_yc);
+
+	shared_len = conn->dh_p_len;
+	shared = os_malloc(shared_len);
+	if (shared == NULL) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Could not allocate memory for "
+			   "DH");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		os_free(csecret);
+		return -1;
+	}
+
+	/* shared = Ys^csecret mod p */
+	if (crypto_mod_exp(conn->dh_ys, conn->dh_ys_len,
+			   csecret_start, csecret_len,
+			   conn->dh_p, conn->dh_p_len,
+			   shared, &shared_len)) {
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		os_free(csecret);
+		os_free(shared);
+		return -1;
+	}
+	wpa_hexdump_key(MSG_DEBUG, "TLSv1: Shared secret from DH key exchange",
+			shared, shared_len);
+
+	os_memset(csecret_start, 0, csecret_len);
+	os_free(csecret);
+	if (tls_derive_keys(conn, shared, shared_len)) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to derive keys");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		os_free(shared);
+		return -1;
+	}
+	os_memset(shared, 0, shared_len);
+	os_free(shared);
+	tlsv1_client_free_dh(conn);
+	return 0;
+}
+
+
+static int tlsv1_key_x_rsa(struct tlsv1_client *conn, u8 **pos, u8 *end)
+{
+	u8 pre_master_secret[TLS_PRE_MASTER_SECRET_LEN];
+	size_t clen;
+	int res;
+
+	if (tls_derive_pre_master_secret(pre_master_secret) < 0 ||
+	    tls_derive_keys(conn, pre_master_secret,
+			    TLS_PRE_MASTER_SECRET_LEN)) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to derive keys");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	/* EncryptedPreMasterSecret */
+	if (conn->server_rsa_key == NULL) {
+		wpa_printf(MSG_DEBUG, "TLSv1: No server RSA key to "
+			   "use for encrypting pre-master secret");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	/* RSA encrypted value is encoded with PKCS #1 v1.5 block type 2. */
+	*pos += 2;
+	clen = end - *pos;
+	res = crypto_public_key_encrypt_pkcs1_v15(
+		conn->server_rsa_key,
+		pre_master_secret, TLS_PRE_MASTER_SECRET_LEN,
+		*pos, &clen);
+	os_memset(pre_master_secret, 0, TLS_PRE_MASTER_SECRET_LEN);
+	if (res < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: RSA encryption failed");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	WPA_PUT_BE16(*pos - 2, clen);
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: Encrypted pre_master_secret",
+		    *pos, clen);
+	*pos += clen;
+
+	return 0;
+}
+
+
+static int tls_write_client_key_exchange(struct tlsv1_client *conn,
+					 u8 **msgpos, u8 *end)
+{
+	u8 *pos, *rhdr, *hs_start, *hs_length;
+	size_t rlen;
+	tls_key_exchange keyx;
+	const struct tls_cipher_suite *suite;
+
+	suite = tls_get_cipher_suite(conn->rl.cipher_suite);
+	if (suite == NULL)
+		keyx = TLS_KEY_X_NULL;
+	else
+		keyx = suite->key_exchange;
+
+	pos = *msgpos;
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Send ClientKeyExchange");
+
+	rhdr = pos;
+	pos += TLS_RECORD_HEADER_LEN;
+
+	/* opaque fragment[TLSPlaintext.length] */
+
+	/* Handshake */
+	hs_start = pos;
+	/* HandshakeType msg_type */
+	*pos++ = TLS_HANDSHAKE_TYPE_CLIENT_KEY_EXCHANGE;
+	/* uint24 length (to be filled) */
+	hs_length = pos;
+	pos += 3;
+	/* body - ClientKeyExchange */
+	if (keyx == TLS_KEY_X_DH_anon) {
+		if (tlsv1_key_x_anon_dh(conn, &pos, end) < 0)
+			return -1;
+	} else {
+		if (tlsv1_key_x_rsa(conn, &pos, end) < 0)
+			return -1;
+	}
+
+	WPA_PUT_BE24(hs_length, pos - hs_length - 3);
+
+	if (tlsv1_record_send(&conn->rl, TLS_CONTENT_TYPE_HANDSHAKE,
+			      rhdr, end - rhdr, pos - hs_start, &rlen) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to create a record");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	pos = rhdr + rlen;
+	tls_verify_hash_add(&conn->verify, hs_start, pos - hs_start);
+
+	*msgpos = pos;
+
+	return 0;
+}
+
+
+static int tls_write_client_certificate_verify(struct tlsv1_client *conn,
+					       u8 **msgpos, u8 *end)
+{
+	u8 *pos, *rhdr, *hs_start, *hs_length, *signed_start;
+	size_t rlen, hlen, clen;
+	u8 hash[MD5_MAC_LEN + SHA1_MAC_LEN], *hpos;
+	enum { SIGN_ALG_RSA, SIGN_ALG_DSA } alg = SIGN_ALG_RSA;
+
+	pos = *msgpos;
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Send CertificateVerify");
+	rhdr = pos;
+	pos += TLS_RECORD_HEADER_LEN;
+
+	/* Handshake */
+	hs_start = pos;
+	/* HandshakeType msg_type */
+	*pos++ = TLS_HANDSHAKE_TYPE_CERTIFICATE_VERIFY;
+	/* uint24 length (to be filled) */
+	hs_length = pos;
+	pos += 3;
+
+	/*
+	 * RFC 2246: 7.4.3 and 7.4.8:
+	 * Signature signature
+	 *
+	 * RSA:
+	 * digitally-signed struct {
+	 *     opaque md5_hash[16];
+	 *     opaque sha_hash[20];
+	 * };
+	 *
+	 * DSA:
+	 * digitally-signed struct {
+	 *     opaque sha_hash[20];
+	 * };
+	 *
+	 * The hash values are calculated over all handshake messages sent or
+	 * received starting at ClientHello up to, but not including, this
+	 * CertificateVerify message, including the type and length fields of
+	 * the handshake messages.
+	 */
+
+	hpos = hash;
+
+	if (alg == SIGN_ALG_RSA) {
+		hlen = MD5_MAC_LEN;
+		if (conn->verify.md5_cert == NULL ||
+		    crypto_hash_finish(conn->verify.md5_cert, hpos, &hlen) < 0)
+		{
+			tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				  TLS_ALERT_INTERNAL_ERROR);
+			conn->verify.md5_cert = NULL;
+			crypto_hash_finish(conn->verify.sha1_cert, NULL, NULL);
+			conn->verify.sha1_cert = NULL;
+			return -1;
+		}
+		hpos += MD5_MAC_LEN;
+	} else
+		crypto_hash_finish(conn->verify.md5_cert, NULL, NULL);
+
+	conn->verify.md5_cert = NULL;
+	hlen = SHA1_MAC_LEN;
+	if (conn->verify.sha1_cert == NULL ||
+	    crypto_hash_finish(conn->verify.sha1_cert, hpos, &hlen) < 0) {
+		conn->verify.sha1_cert = NULL;
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	conn->verify.sha1_cert = NULL;
+
+	if (alg == SIGN_ALG_RSA)
+		hlen += MD5_MAC_LEN;
+
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: CertificateVerify hash", hash, hlen);
+
+	/*
+	 * RFC 2246, 4.7:
+	 * In digital signing, one-way hash functions are used as input for a
+	 * signing algorithm. A digitally-signed element is encoded as an
+	 * opaque vector <0..2^16-1>, where the length is specified by the
+	 * signing algorithm and key.
+	 *
+	 * In RSA signing, a 36-byte structure of two hashes (one SHA and one
+	 * MD5) is signed (encrypted with the private key). It is encoded with
+	 * PKCS #1 block type 0 or type 1 as described in [PKCS1].
+	 */
+	signed_start = pos; /* length to be filled */
+	pos += 2;
+	clen = end - pos;
+	if (conn->cred == NULL ||
+	    crypto_private_key_sign_pkcs1(conn->cred->key, hash, hlen,
+					  pos, &clen) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to sign hash (PKCS #1)");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	WPA_PUT_BE16(signed_start, clen);
+
+	pos += clen;
+
+	WPA_PUT_BE24(hs_length, pos - hs_length - 3);
+
+	if (tlsv1_record_send(&conn->rl, TLS_CONTENT_TYPE_HANDSHAKE,
+			      rhdr, end - rhdr, pos - hs_start, &rlen) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to generate a record");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	pos = rhdr + rlen;
+
+	tls_verify_hash_add(&conn->verify, hs_start, pos - hs_start);
+
+	*msgpos = pos;
+
+	return 0;
+}
+
+
+static int tls_write_client_change_cipher_spec(struct tlsv1_client *conn,
+					       u8 **msgpos, u8 *end)
+{
+	u8 *pos, *rhdr;
+	size_t rlen;
+
+	pos = *msgpos;
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Send ChangeCipherSpec");
+	rhdr = pos;
+	pos += TLS_RECORD_HEADER_LEN;
+	*pos = TLS_CHANGE_CIPHER_SPEC;
+	if (tlsv1_record_send(&conn->rl, TLS_CONTENT_TYPE_CHANGE_CIPHER_SPEC,
+			      rhdr, end - rhdr, 1, &rlen) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to create a record");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	if (tlsv1_record_change_write_cipher(&conn->rl) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to set write cipher for "
+			   "record layer");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	*msgpos = rhdr + rlen;
+
+	return 0;
+}
+
+
+static int tls_write_client_finished(struct tlsv1_client *conn,
+				     u8 **msgpos, u8 *end)
+{
+	u8 *pos, *rhdr, *hs_start, *hs_length;
+	size_t rlen, hlen;
+	u8 verify_data[TLS_VERIFY_DATA_LEN];
+	u8 hash[MD5_MAC_LEN + SHA1_MAC_LEN];
+
+	pos = *msgpos;
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Send Finished");
+
+	/* Encrypted Handshake Message: Finished */
+
+	hlen = MD5_MAC_LEN;
+	if (conn->verify.md5_client == NULL ||
+	    crypto_hash_finish(conn->verify.md5_client, hash, &hlen) < 0) {
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		conn->verify.md5_client = NULL;
+		crypto_hash_finish(conn->verify.sha1_client, NULL, NULL);
+		conn->verify.sha1_client = NULL;
+		return -1;
+	}
+	conn->verify.md5_client = NULL;
+	hlen = SHA1_MAC_LEN;
+	if (conn->verify.sha1_client == NULL ||
+	    crypto_hash_finish(conn->verify.sha1_client, hash + MD5_MAC_LEN,
+			       &hlen) < 0) {
+		conn->verify.sha1_client = NULL;
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	conn->verify.sha1_client = NULL;
+
+	if (tls_prf(conn->master_secret, TLS_MASTER_SECRET_LEN,
+		    "client finished", hash, MD5_MAC_LEN + SHA1_MAC_LEN,
+		    verify_data, TLS_VERIFY_DATA_LEN)) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to generate verify_data");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	wpa_hexdump_key(MSG_DEBUG, "TLSv1: verify_data (client)",
+			verify_data, TLS_VERIFY_DATA_LEN);
+
+	rhdr = pos;
+	pos += TLS_RECORD_HEADER_LEN;
+	/* Handshake */
+	hs_start = pos;
+	/* HandshakeType msg_type */
+	*pos++ = TLS_HANDSHAKE_TYPE_FINISHED;
+	/* uint24 length (to be filled) */
+	hs_length = pos;
+	pos += 3;
+	os_memcpy(pos, verify_data, TLS_VERIFY_DATA_LEN);
+	pos += TLS_VERIFY_DATA_LEN;
+	WPA_PUT_BE24(hs_length, pos - hs_length - 3);
+	tls_verify_hash_add(&conn->verify, hs_start, pos - hs_start);
+
+	if (tlsv1_record_send(&conn->rl, TLS_CONTENT_TYPE_HANDSHAKE,
+			      rhdr, end - rhdr, pos - hs_start, &rlen) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to create a record");
+		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			  TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	pos = rhdr + rlen;
+
+	*msgpos = pos;
+
+	return 0;
+}
+
+
+static u8 * tls_send_client_key_exchange(struct tlsv1_client *conn,
+					 size_t *out_len)
+{
+	u8 *msg, *end, *pos;
+	size_t msglen;
+
+	*out_len = 0;
+
+	msglen = 2000;
+	if (conn->certificate_requested)
+		msglen += tls_client_cert_chain_der_len(conn);
+
+	msg = os_malloc(msglen);
+	if (msg == NULL)
+		return NULL;
+
+	pos = msg;
+	end = msg + msglen;
+
+	if (conn->certificate_requested) {
+		if (tls_write_client_certificate(conn, &pos, end) < 0) {
+			os_free(msg);
+			return NULL;
+		}
+	}
+
+	if (tls_write_client_key_exchange(conn, &pos, end) < 0 ||
+	    (conn->certificate_requested && conn->cred && conn->cred->key &&
+	     tls_write_client_certificate_verify(conn, &pos, end) < 0) ||
+	    tls_write_client_change_cipher_spec(conn, &pos, end) < 0 ||
+	    tls_write_client_finished(conn, &pos, end) < 0) {
+		os_free(msg);
+		return NULL;
+	}
+
+	*out_len = pos - msg;
+
+	conn->state = SERVER_CHANGE_CIPHER_SPEC;
+
+	return msg;
+}
+
+
+static u8 * tls_send_change_cipher_spec(struct tlsv1_client *conn,
+					size_t *out_len)
+{
+	u8 *msg, *end, *pos;
+
+	*out_len = 0;
+
+	msg = os_malloc(1000);
+	if (msg == NULL)
+		return NULL;
+
+	pos = msg;
+	end = msg + 1000;
+
+	if (tls_write_client_change_cipher_spec(conn, &pos, end) < 0 ||
+	    tls_write_client_finished(conn, &pos, end) < 0) {
+		os_free(msg);
+		return NULL;
+	}
+
+	*out_len = pos - msg;
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Session resumption completed "
+		   "successfully");
+	conn->state = ESTABLISHED;
+
+	return msg;
+}
+
+
+u8 * tlsv1_client_handshake_write(struct tlsv1_client *conn, size_t *out_len,
+				  int no_appl_data)
+{
+	switch (conn->state) {
+	case CLIENT_KEY_EXCHANGE:
+		return tls_send_client_key_exchange(conn, out_len);
+	case CHANGE_CIPHER_SPEC:
+		return tls_send_change_cipher_spec(conn, out_len);
+	case ACK_FINISHED:
+		wpa_printf(MSG_DEBUG, "TLSv1: Handshake completed "
+			   "successfully");
+		conn->state = ESTABLISHED;
+		*out_len = 0;
+		if (no_appl_data) {
+			/* Need to return something to get final TLS ACK. */
+			return os_malloc(1);
+		}
+		return NULL;
+	default:
+		wpa_printf(MSG_DEBUG, "TLSv1: Unexpected state %d while "
+			   "generating reply", conn->state);
+		return NULL;
+	}
+}
+
+
+u8 * tlsv1_client_send_alert(struct tlsv1_client *conn, u8 level,
+			     u8 description, size_t *out_len)
+{
+	u8 *alert, *pos, *length;
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Send Alert(%d:%d)", level, description);
+	*out_len = 0;
+
+	alert = os_malloc(10);
+	if (alert == NULL)
+		return NULL;
+
+	pos = alert;
+
+	/* TLSPlaintext */
+	/* ContentType type */
+	*pos++ = TLS_CONTENT_TYPE_ALERT;
+	/* ProtocolVersion version */
+	WPA_PUT_BE16(pos, TLS_VERSION);
+	pos += 2;
+	/* uint16 length (to be filled) */
+	length = pos;
+	pos += 2;
+	/* opaque fragment[TLSPlaintext.length] */
+
+	/* Alert */
+	/* AlertLevel level */
+	*pos++ = level;
+	/* AlertDescription description */
+	*pos++ = description;
+
+	WPA_PUT_BE16(length, pos - length - 2);
+	*out_len = pos - alert;
+
+	return alert;
+}
diff --git a/src/tls/tlsv1_common.c b/src/tls/tlsv1_common.c
new file mode 100644
index 0000000..2f9dd0f
--- /dev/null
+++ b/src/tls/tlsv1_common.c
@@ -0,0 +1,241 @@
+/*
+ * TLSv1 common routines
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "x509v3.h"
+#include "tlsv1_common.h"
+
+
+/*
+ * TODO:
+ * RFC 2246 Section 9: Mandatory to implement TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA
+ * Add support for commonly used cipher suites; don't bother with exportable
+ * suites.
+ */ 
+
+static const struct tls_cipher_suite tls_cipher_suites[] = {
+	{ TLS_NULL_WITH_NULL_NULL, TLS_KEY_X_NULL, TLS_CIPHER_NULL,
+	  TLS_HASH_NULL },
+	{ TLS_RSA_WITH_RC4_128_MD5, TLS_KEY_X_RSA, TLS_CIPHER_RC4_128,
+	  TLS_HASH_MD5 },
+	{ TLS_RSA_WITH_RC4_128_SHA, TLS_KEY_X_RSA, TLS_CIPHER_RC4_128,
+	  TLS_HASH_SHA },
+	{ TLS_RSA_WITH_DES_CBC_SHA, TLS_KEY_X_RSA, TLS_CIPHER_DES_CBC,
+	  TLS_HASH_SHA },
+	{ TLS_RSA_WITH_3DES_EDE_CBC_SHA, TLS_KEY_X_RSA,
+	  TLS_CIPHER_3DES_EDE_CBC, TLS_HASH_SHA },
+ 	{ TLS_DH_anon_WITH_RC4_128_MD5, TLS_KEY_X_DH_anon,
+	  TLS_CIPHER_RC4_128, TLS_HASH_MD5 },
+ 	{ TLS_DH_anon_WITH_DES_CBC_SHA, TLS_KEY_X_DH_anon,
+	  TLS_CIPHER_DES_CBC, TLS_HASH_SHA },
+ 	{ TLS_DH_anon_WITH_3DES_EDE_CBC_SHA, TLS_KEY_X_DH_anon,
+	  TLS_CIPHER_3DES_EDE_CBC, TLS_HASH_SHA },
+	{ TLS_RSA_WITH_AES_128_CBC_SHA, TLS_KEY_X_RSA, TLS_CIPHER_AES_128_CBC,
+	  TLS_HASH_SHA },
+	{ TLS_DH_anon_WITH_AES_128_CBC_SHA, TLS_KEY_X_DH_anon,
+	  TLS_CIPHER_AES_128_CBC, TLS_HASH_SHA },
+	{ TLS_RSA_WITH_AES_256_CBC_SHA, TLS_KEY_X_RSA, TLS_CIPHER_AES_256_CBC,
+	  TLS_HASH_SHA },
+	{ TLS_DH_anon_WITH_AES_256_CBC_SHA, TLS_KEY_X_DH_anon,
+	  TLS_CIPHER_AES_256_CBC, TLS_HASH_SHA }
+};
+
+#define NUM_ELEMS(a) (sizeof(a) / sizeof((a)[0]))
+#define NUM_TLS_CIPHER_SUITES NUM_ELEMS(tls_cipher_suites)
+
+
+static const struct tls_cipher_data tls_ciphers[] = {
+	{ TLS_CIPHER_NULL,         TLS_CIPHER_STREAM,  0,  0,  0,
+	  CRYPTO_CIPHER_NULL },
+	{ TLS_CIPHER_IDEA_CBC,     TLS_CIPHER_BLOCK,  16, 16,  8,
+	  CRYPTO_CIPHER_NULL },
+	{ TLS_CIPHER_RC2_CBC_40,   TLS_CIPHER_BLOCK,   5, 16,  0,
+	  CRYPTO_CIPHER_ALG_RC2 },
+	{ TLS_CIPHER_RC4_40,       TLS_CIPHER_STREAM,  5, 16,  0,
+	  CRYPTO_CIPHER_ALG_RC4 },
+	{ TLS_CIPHER_RC4_128,      TLS_CIPHER_STREAM, 16, 16,  0,
+	  CRYPTO_CIPHER_ALG_RC4 },
+	{ TLS_CIPHER_DES40_CBC,    TLS_CIPHER_BLOCK,   5,  8,  8,
+	  CRYPTO_CIPHER_ALG_DES },
+	{ TLS_CIPHER_DES_CBC,      TLS_CIPHER_BLOCK,   8,  8,  8,
+	  CRYPTO_CIPHER_ALG_DES },
+	{ TLS_CIPHER_3DES_EDE_CBC, TLS_CIPHER_BLOCK,  24, 24,  8,
+	  CRYPTO_CIPHER_ALG_3DES },
+	{ TLS_CIPHER_AES_128_CBC,  TLS_CIPHER_BLOCK,  16, 16, 16,
+	  CRYPTO_CIPHER_ALG_AES },
+	{ TLS_CIPHER_AES_256_CBC,  TLS_CIPHER_BLOCK,  32, 32, 16,
+	  CRYPTO_CIPHER_ALG_AES }
+};
+
+#define NUM_TLS_CIPHER_DATA NUM_ELEMS(tls_ciphers)
+
+
+/**
+ * tls_get_cipher_suite - Get TLS cipher suite
+ * @suite: Cipher suite identifier
+ * Returns: Pointer to the cipher data or %NULL if not found
+ */
+const struct tls_cipher_suite * tls_get_cipher_suite(u16 suite)
+{
+	size_t i;
+	for (i = 0; i < NUM_TLS_CIPHER_SUITES; i++)
+		if (tls_cipher_suites[i].suite == suite)
+			return &tls_cipher_suites[i];
+	return NULL;
+}
+
+
+const struct tls_cipher_data * tls_get_cipher_data(tls_cipher cipher)
+{
+	size_t i;
+	for (i = 0; i < NUM_TLS_CIPHER_DATA; i++)
+		if (tls_ciphers[i].cipher == cipher)
+			return &tls_ciphers[i];
+	return NULL;
+}
+
+
+int tls_server_key_exchange_allowed(tls_cipher cipher)
+{
+	const struct tls_cipher_suite *suite;
+
+	/* RFC 2246, Section 7.4.3 */
+	suite = tls_get_cipher_suite(cipher);
+	if (suite == NULL)
+		return 0;
+
+	switch (suite->key_exchange) {
+	case TLS_KEY_X_DHE_DSS:
+	case TLS_KEY_X_DHE_DSS_EXPORT:
+	case TLS_KEY_X_DHE_RSA:
+	case TLS_KEY_X_DHE_RSA_EXPORT:
+	case TLS_KEY_X_DH_anon_EXPORT:
+	case TLS_KEY_X_DH_anon:
+		return 1;
+	case TLS_KEY_X_RSA_EXPORT:
+		return 1 /* FIX: public key len > 512 bits */;
+	default:
+		return 0;
+	}
+}
+
+
+/**
+ * tls_parse_cert - Parse DER encoded X.509 certificate and get public key
+ * @buf: ASN.1 DER encoded certificate
+ * @len: Length of the buffer
+ * @pk: Buffer for returning the allocated public key
+ * Returns: 0 on success, -1 on failure
+ *
+ * This functions parses an ASN.1 DER encoded X.509 certificate and retrieves
+ * the public key from it. The caller is responsible for freeing the public key
+ * by calling crypto_public_key_free().
+ */
+int tls_parse_cert(const u8 *buf, size_t len, struct crypto_public_key **pk)
+{
+	struct x509_certificate *cert;
+
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: Parse ASN.1 DER certificate",
+		    buf, len);
+
+	*pk = crypto_public_key_from_cert(buf, len);
+	if (*pk)
+		return 0;
+
+	cert = x509_certificate_parse(buf, len);
+	if (cert == NULL) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to parse X.509 "
+			   "certificate");
+		return -1;
+	}
+
+	/* TODO
+	 * verify key usage (must allow encryption)
+	 *
+	 * All certificate profiles, key and cryptographic formats are
+	 * defined by the IETF PKIX working group [PKIX]. When a key
+	 * usage extension is present, the digitalSignature bit must be
+	 * set for the key to be eligible for signing, as described
+	 * above, and the keyEncipherment bit must be present to allow
+	 * encryption, as described above. The keyAgreement bit must be
+	 * set on Diffie-Hellman certificates. (PKIX: RFC 3280)
+	 */
+
+	*pk = crypto_public_key_import(cert->public_key, cert->public_key_len);
+	x509_certificate_free(cert);
+
+	if (*pk == NULL) {
+		wpa_printf(MSG_ERROR, "TLSv1: Failed to import "
+			   "server public key");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int tls_verify_hash_init(struct tls_verify_hash *verify)
+{
+	tls_verify_hash_free(verify);
+	verify->md5_client = crypto_hash_init(CRYPTO_HASH_ALG_MD5, NULL, 0);
+	verify->md5_server = crypto_hash_init(CRYPTO_HASH_ALG_MD5, NULL, 0);
+	verify->md5_cert = crypto_hash_init(CRYPTO_HASH_ALG_MD5, NULL, 0);
+	verify->sha1_client = crypto_hash_init(CRYPTO_HASH_ALG_SHA1, NULL, 0);
+	verify->sha1_server = crypto_hash_init(CRYPTO_HASH_ALG_SHA1, NULL, 0);
+	verify->sha1_cert = crypto_hash_init(CRYPTO_HASH_ALG_SHA1, NULL, 0);
+	if (verify->md5_client == NULL || verify->md5_server == NULL ||
+	    verify->md5_cert == NULL || verify->sha1_client == NULL ||
+	    verify->sha1_server == NULL || verify->sha1_cert == NULL) {
+		tls_verify_hash_free(verify);
+		return -1;
+	}
+	return 0;
+}
+
+
+void tls_verify_hash_add(struct tls_verify_hash *verify, const u8 *buf,
+			 size_t len)
+{
+	if (verify->md5_client && verify->sha1_client) {
+		crypto_hash_update(verify->md5_client, buf, len);
+		crypto_hash_update(verify->sha1_client, buf, len);
+	}
+	if (verify->md5_server && verify->sha1_server) {
+		crypto_hash_update(verify->md5_server, buf, len);
+		crypto_hash_update(verify->sha1_server, buf, len);
+	}
+	if (verify->md5_cert && verify->sha1_cert) {
+		crypto_hash_update(verify->md5_cert, buf, len);
+		crypto_hash_update(verify->sha1_cert, buf, len);
+	}
+}
+
+
+void tls_verify_hash_free(struct tls_verify_hash *verify)
+{
+	crypto_hash_finish(verify->md5_client, NULL, NULL);
+	crypto_hash_finish(verify->md5_server, NULL, NULL);
+	crypto_hash_finish(verify->md5_cert, NULL, NULL);
+	crypto_hash_finish(verify->sha1_client, NULL, NULL);
+	crypto_hash_finish(verify->sha1_server, NULL, NULL);
+	crypto_hash_finish(verify->sha1_cert, NULL, NULL);
+	verify->md5_client = NULL;
+	verify->md5_server = NULL;
+	verify->md5_cert = NULL;
+	verify->sha1_client = NULL;
+	verify->sha1_server = NULL;
+	verify->sha1_cert = NULL;
+}
diff --git a/src/tls/tlsv1_common.h b/src/tls/tlsv1_common.h
new file mode 100644
index 0000000..763a4af
--- /dev/null
+++ b/src/tls/tlsv1_common.h
@@ -0,0 +1,216 @@
+/*
+ * TLSv1 common definitions
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef TLSV1_COMMON_H
+#define TLSV1_COMMON_H
+
+#include "crypto/crypto.h"
+
+#define TLS_VERSION 0x0301 /* TLSv1 */
+#define TLS_RANDOM_LEN 32
+#define TLS_PRE_MASTER_SECRET_LEN 48
+#define TLS_MASTER_SECRET_LEN 48
+#define TLS_SESSION_ID_MAX_LEN 32
+#define TLS_VERIFY_DATA_LEN 12
+
+/* HandshakeType */
+enum {
+	TLS_HANDSHAKE_TYPE_HELLO_REQUEST = 0,
+	TLS_HANDSHAKE_TYPE_CLIENT_HELLO = 1,
+	TLS_HANDSHAKE_TYPE_SERVER_HELLO = 2,
+	TLS_HANDSHAKE_TYPE_NEW_SESSION_TICKET = 4 /* RFC 4507 */,
+	TLS_HANDSHAKE_TYPE_CERTIFICATE = 11,
+	TLS_HANDSHAKE_TYPE_SERVER_KEY_EXCHANGE = 12,
+	TLS_HANDSHAKE_TYPE_CERTIFICATE_REQUEST = 13,
+	TLS_HANDSHAKE_TYPE_SERVER_HELLO_DONE = 14,
+	TLS_HANDSHAKE_TYPE_CERTIFICATE_VERIFY = 15,
+	TLS_HANDSHAKE_TYPE_CLIENT_KEY_EXCHANGE = 16,
+	TLS_HANDSHAKE_TYPE_FINISHED = 20,
+	TLS_HANDSHAKE_TYPE_CERTIFICATE_URL = 21 /* RFC 4366 */,
+	TLS_HANDSHAKE_TYPE_CERTIFICATE_STATUS = 22 /* RFC 4366 */
+};
+
+/* CipherSuite */
+#define TLS_NULL_WITH_NULL_NULL			0x0000 /* RFC 2246 */
+#define TLS_RSA_WITH_NULL_MD5			0x0001 /* RFC 2246 */
+#define TLS_RSA_WITH_NULL_SHA			0x0002 /* RFC 2246 */
+#define TLS_RSA_EXPORT_WITH_RC4_40_MD5		0x0003 /* RFC 2246 */
+#define TLS_RSA_WITH_RC4_128_MD5		0x0004 /* RFC 2246 */
+#define TLS_RSA_WITH_RC4_128_SHA		0x0005 /* RFC 2246 */
+#define TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5	0x0006 /* RFC 2246 */
+#define TLS_RSA_WITH_IDEA_CBC_SHA		0x0007 /* RFC 2246 */
+#define TLS_RSA_EXPORT_WITH_DES40_CBC_SHA	0x0008 /* RFC 2246 */
+#define TLS_RSA_WITH_DES_CBC_SHA		0x0009 /* RFC 2246 */
+#define TLS_RSA_WITH_3DES_EDE_CBC_SHA		0x000A /* RFC 2246 */
+#define TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA	0x000B /* RFC 2246 */
+#define TLS_DH_DSS_WITH_DES_CBC_SHA		0x000C /* RFC 2246 */
+#define TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA	0x000D /* RFC 2246 */
+#define TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA	0x000E /* RFC 2246 */
+#define TLS_DH_RSA_WITH_DES_CBC_SHA		0x000F /* RFC 2246 */
+#define TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA	0x0010 /* RFC 2246 */
+#define TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA	0x0011 /* RFC 2246 */
+#define TLS_DHE_DSS_WITH_DES_CBC_SHA		0x0012 /* RFC 2246 */
+#define TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA	0x0013 /* RFC 2246 */
+#define TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA	0x0014 /* RFC 2246 */
+#define TLS_DHE_RSA_WITH_DES_CBC_SHA		0x0015 /* RFC 2246 */
+#define TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA	0x0016 /* RFC 2246 */
+#define TLS_DH_anon_EXPORT_WITH_RC4_40_MD5	0x0017 /* RFC 2246 */
+#define TLS_DH_anon_WITH_RC4_128_MD5		0x0018 /* RFC 2246 */
+#define TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA	0x0019 /* RFC 2246 */
+#define TLS_DH_anon_WITH_DES_CBC_SHA		0x001A /* RFC 2246 */
+#define TLS_DH_anon_WITH_3DES_EDE_CBC_SHA	0x001B /* RFC 2246 */
+#define TLS_RSA_WITH_AES_128_CBC_SHA		0x002F /* RFC 3268 */
+#define TLS_DH_DSS_WITH_AES_128_CBC_SHA		0x0030 /* RFC 3268 */
+#define TLS_DH_RSA_WITH_AES_128_CBC_SHA		0x0031 /* RFC 3268 */
+#define TLS_DHE_DSS_WITH_AES_128_CBC_SHA	0x0032 /* RFC 3268 */
+#define TLS_DHE_RSA_WITH_AES_128_CBC_SHA	0x0033 /* RFC 3268 */
+#define TLS_DH_anon_WITH_AES_128_CBC_SHA	0x0034 /* RFC 3268 */
+#define TLS_RSA_WITH_AES_256_CBC_SHA		0x0035 /* RFC 3268 */
+#define TLS_DH_DSS_WITH_AES_256_CBC_SHA		0x0036 /* RFC 3268 */
+#define TLS_DH_RSA_WITH_AES_256_CBC_SHA		0x0037 /* RFC 3268 */
+#define TLS_DHE_DSS_WITH_AES_256_CBC_SHA	0x0038 /* RFC 3268 */
+#define TLS_DHE_RSA_WITH_AES_256_CBC_SHA	0x0039 /* RFC 3268 */
+#define TLS_DH_anon_WITH_AES_256_CBC_SHA	0x003A /* RFC 3268 */
+
+/* CompressionMethod */
+#define TLS_COMPRESSION_NULL 0
+
+/* AlertLevel */
+#define TLS_ALERT_LEVEL_WARNING 1
+#define TLS_ALERT_LEVEL_FATAL 2
+
+/* AlertDescription */
+#define TLS_ALERT_CLOSE_NOTIFY			0
+#define TLS_ALERT_UNEXPECTED_MESSAGE		10
+#define TLS_ALERT_BAD_RECORD_MAC		20
+#define TLS_ALERT_DECRYPTION_FAILED		21
+#define TLS_ALERT_RECORD_OVERFLOW		22
+#define TLS_ALERT_DECOMPRESSION_FAILURE		30
+#define TLS_ALERT_HANDSHAKE_FAILURE		40
+#define TLS_ALERT_BAD_CERTIFICATE		42
+#define TLS_ALERT_UNSUPPORTED_CERTIFICATE	43
+#define TLS_ALERT_CERTIFICATE_REVOKED		44
+#define TLS_ALERT_CERTIFICATE_EXPIRED		45
+#define TLS_ALERT_CERTIFICATE_UNKNOWN		46
+#define TLS_ALERT_ILLEGAL_PARAMETER		47
+#define TLS_ALERT_UNKNOWN_CA			48
+#define TLS_ALERT_ACCESS_DENIED			49
+#define TLS_ALERT_DECODE_ERROR			50
+#define TLS_ALERT_DECRYPT_ERROR			51
+#define TLS_ALERT_EXPORT_RESTRICTION		60
+#define TLS_ALERT_PROTOCOL_VERSION		70
+#define TLS_ALERT_INSUFFICIENT_SECURITY		71
+#define TLS_ALERT_INTERNAL_ERROR		80
+#define TLS_ALERT_USER_CANCELED			90
+#define TLS_ALERT_NO_RENEGOTIATION		100
+#define TLS_ALERT_UNSUPPORTED_EXTENSION		110 /* RFC 4366 */
+#define TLS_ALERT_CERTIFICATE_UNOBTAINABLE	111 /* RFC 4366 */
+#define TLS_ALERT_UNRECOGNIZED_NAME		112 /* RFC 4366 */
+#define TLS_ALERT_BAD_CERTIFICATE_STATUS_RESPONSE	113 /* RFC 4366 */
+#define TLS_ALERT_BAD_CERTIFICATE_HASH_VALUE	114 /* RFC 4366 */
+
+/* ChangeCipherSpec */
+enum {
+	TLS_CHANGE_CIPHER_SPEC = 1
+};
+
+/* TLS Extensions */
+#define TLS_EXT_SERVER_NAME			0 /* RFC 4366 */
+#define TLS_EXT_MAX_FRAGMENT_LENGTH		1 /* RFC 4366 */
+#define TLS_EXT_CLIENT_CERTIFICATE_URL		2 /* RFC 4366 */
+#define TLS_EXT_TRUSTED_CA_KEYS			3 /* RFC 4366 */
+#define TLS_EXT_TRUNCATED_HMAC			4 /* RFC 4366 */
+#define TLS_EXT_STATUS_REQUEST			5 /* RFC 4366 */
+#define TLS_EXT_SESSION_TICKET			35 /* RFC 4507 */
+
+#define TLS_EXT_PAC_OPAQUE TLS_EXT_SESSION_TICKET /* EAP-FAST terminology */
+
+
+typedef enum {
+	TLS_KEY_X_NULL,
+	TLS_KEY_X_RSA,
+	TLS_KEY_X_RSA_EXPORT,
+	TLS_KEY_X_DH_DSS_EXPORT,
+	TLS_KEY_X_DH_DSS,
+	TLS_KEY_X_DH_RSA_EXPORT,
+	TLS_KEY_X_DH_RSA,
+	TLS_KEY_X_DHE_DSS_EXPORT,
+	TLS_KEY_X_DHE_DSS,
+	TLS_KEY_X_DHE_RSA_EXPORT,
+	TLS_KEY_X_DHE_RSA,
+	TLS_KEY_X_DH_anon_EXPORT,
+	TLS_KEY_X_DH_anon
+} tls_key_exchange;
+
+typedef enum {
+	TLS_CIPHER_NULL,
+	TLS_CIPHER_RC4_40,
+	TLS_CIPHER_RC4_128,
+	TLS_CIPHER_RC2_CBC_40,
+	TLS_CIPHER_IDEA_CBC,
+	TLS_CIPHER_DES40_CBC,
+	TLS_CIPHER_DES_CBC,
+	TLS_CIPHER_3DES_EDE_CBC,
+	TLS_CIPHER_AES_128_CBC,
+	TLS_CIPHER_AES_256_CBC
+} tls_cipher;
+
+typedef enum {
+	TLS_HASH_NULL,
+	TLS_HASH_MD5,
+	TLS_HASH_SHA
+} tls_hash;
+
+struct tls_cipher_suite {
+	u16 suite;
+	tls_key_exchange key_exchange;
+	tls_cipher cipher;
+	tls_hash hash;
+};
+
+typedef enum {
+	TLS_CIPHER_STREAM,
+	TLS_CIPHER_BLOCK
+} tls_cipher_type;
+
+struct tls_cipher_data {
+	tls_cipher cipher;
+	tls_cipher_type type;
+	size_t key_material;
+	size_t expanded_key_material;
+	size_t block_size; /* also iv_size */
+	enum crypto_cipher_alg alg;
+};
+
+
+struct tls_verify_hash {
+	struct crypto_hash *md5_client;
+	struct crypto_hash *sha1_client;
+	struct crypto_hash *md5_server;
+	struct crypto_hash *sha1_server;
+	struct crypto_hash *md5_cert;
+	struct crypto_hash *sha1_cert;
+};
+
+
+const struct tls_cipher_suite * tls_get_cipher_suite(u16 suite);
+const struct tls_cipher_data * tls_get_cipher_data(tls_cipher cipher);
+int tls_server_key_exchange_allowed(tls_cipher cipher);
+int tls_parse_cert(const u8 *buf, size_t len, struct crypto_public_key **pk);
+int tls_verify_hash_init(struct tls_verify_hash *verify);
+void tls_verify_hash_add(struct tls_verify_hash *verify, const u8 *buf,
+			 size_t len);
+void tls_verify_hash_free(struct tls_verify_hash *verify);
+
+#endif /* TLSV1_COMMON_H */
diff --git a/src/tls/tlsv1_cred.c b/src/tls/tlsv1_cred.c
new file mode 100644
index 0000000..aa467ef
--- /dev/null
+++ b/src/tls/tlsv1_cred.c
@@ -0,0 +1,493 @@
+/*
+ * TLSv1 credentials
+ * Copyright (c) 2006-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "base64.h"
+#include "crypto/crypto.h"
+#include "x509v3.h"
+#include "tlsv1_cred.h"
+
+
+struct tlsv1_credentials * tlsv1_cred_alloc(void)
+{
+	struct tlsv1_credentials *cred;
+	cred = os_zalloc(sizeof(*cred));
+	return cred;
+}
+
+
+void tlsv1_cred_free(struct tlsv1_credentials *cred)
+{
+	if (cred == NULL)
+		return;
+
+	x509_certificate_chain_free(cred->trusted_certs);
+	x509_certificate_chain_free(cred->cert);
+	crypto_private_key_free(cred->key);
+	os_free(cred->dh_p);
+	os_free(cred->dh_g);
+	os_free(cred);
+}
+
+
+static int tlsv1_add_cert_der(struct x509_certificate **chain,
+			      const u8 *buf, size_t len)
+{
+	struct x509_certificate *cert;
+	char name[128];
+
+	cert = x509_certificate_parse(buf, len);
+	if (cert == NULL) {
+		wpa_printf(MSG_INFO, "TLSv1: %s - failed to parse certificate",
+			   __func__);
+		return -1;
+	}
+
+	cert->next = *chain;
+	*chain = cert;
+
+	x509_name_string(&cert->subject, name, sizeof(name));
+	wpa_printf(MSG_DEBUG, "TLSv1: Added certificate: %s", name);
+
+	return 0;
+}
+
+
+static const char *pem_cert_begin = "-----BEGIN CERTIFICATE-----";
+static const char *pem_cert_end = "-----END CERTIFICATE-----";
+static const char *pem_key_begin = "-----BEGIN RSA PRIVATE KEY-----";
+static const char *pem_key_end = "-----END RSA PRIVATE KEY-----";
+static const char *pem_key2_begin = "-----BEGIN PRIVATE KEY-----";
+static const char *pem_key2_end = "-----END PRIVATE KEY-----";
+static const char *pem_key_enc_begin = "-----BEGIN ENCRYPTED PRIVATE KEY-----";
+static const char *pem_key_enc_end = "-----END ENCRYPTED PRIVATE KEY-----";
+
+
+static const u8 * search_tag(const char *tag, const u8 *buf, size_t len)
+{
+	size_t i, plen;
+
+	plen = os_strlen(tag);
+	if (len < plen)
+		return NULL;
+
+	for (i = 0; i < len - plen; i++) {
+		if (os_memcmp(buf + i, tag, plen) == 0)
+			return buf + i;
+	}
+
+	return NULL;
+}
+
+
+static int tlsv1_add_cert(struct x509_certificate **chain,
+			  const u8 *buf, size_t len)
+{
+	const u8 *pos, *end;
+	unsigned char *der;
+	size_t der_len;
+
+	pos = search_tag(pem_cert_begin, buf, len);
+	if (!pos) {
+		wpa_printf(MSG_DEBUG, "TLSv1: No PEM certificate tag found - "
+			   "assume DER format");
+		return tlsv1_add_cert_der(chain, buf, len);
+	}
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Converting PEM format certificate into "
+		   "DER format");
+
+	while (pos) {
+		pos += os_strlen(pem_cert_begin);
+		end = search_tag(pem_cert_end, pos, buf + len - pos);
+		if (end == NULL) {
+			wpa_printf(MSG_INFO, "TLSv1: Could not find PEM "
+				   "certificate end tag (%s)", pem_cert_end);
+			return -1;
+		}
+
+		der = base64_decode(pos, end - pos, &der_len);
+		if (der == NULL) {
+			wpa_printf(MSG_INFO, "TLSv1: Could not decode PEM "
+				   "certificate");
+			return -1;
+		}
+
+		if (tlsv1_add_cert_der(chain, der, der_len) < 0) {
+			wpa_printf(MSG_INFO, "TLSv1: Failed to parse PEM "
+				   "certificate after DER conversion");
+			os_free(der);
+			return -1;
+		}
+
+		os_free(der);
+
+		end += os_strlen(pem_cert_end);
+		pos = search_tag(pem_cert_begin, end, buf + len - end);
+	}
+
+	return 0;
+}
+
+
+static int tlsv1_set_cert_chain(struct x509_certificate **chain,
+				const char *cert, const u8 *cert_blob,
+				size_t cert_blob_len)
+{
+	if (cert_blob)
+		return tlsv1_add_cert(chain, cert_blob, cert_blob_len);
+
+	if (cert) {
+		u8 *buf;
+		size_t len;
+		int ret;
+
+		buf = (u8 *) os_readfile(cert, &len);
+		if (buf == NULL) {
+			wpa_printf(MSG_INFO, "TLSv1: Failed to read '%s'",
+				   cert);
+			return -1;
+		}
+
+		ret = tlsv1_add_cert(chain, buf, len);
+		os_free(buf);
+		return ret;
+	}
+
+	return 0;
+}
+
+
+/**
+ * tlsv1_set_ca_cert - Set trusted CA certificate(s)
+ * @cred: TLSv1 credentials from tlsv1_cred_alloc()
+ * @cert: File or reference name for X.509 certificate in PEM or DER format
+ * @cert_blob: cert as inlined data or %NULL if not used
+ * @cert_blob_len: ca_cert_blob length
+ * @path: Path to CA certificates (not yet supported)
+ * Returns: 0 on success, -1 on failure
+ */
+int tlsv1_set_ca_cert(struct tlsv1_credentials *cred, const char *cert,
+		      const u8 *cert_blob, size_t cert_blob_len,
+		      const char *path)
+{
+	if (tlsv1_set_cert_chain(&cred->trusted_certs, cert,
+				 cert_blob, cert_blob_len) < 0)
+		return -1;
+
+	if (path) {
+		/* TODO: add support for reading number of certificate files */
+		wpa_printf(MSG_INFO, "TLSv1: Use of CA certificate directory "
+			   "not yet supported");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+/**
+ * tlsv1_set_cert - Set certificate
+ * @cred: TLSv1 credentials from tlsv1_cred_alloc()
+ * @cert: File or reference name for X.509 certificate in PEM or DER format
+ * @cert_blob: cert as inlined data or %NULL if not used
+ * @cert_blob_len: cert_blob length
+ * Returns: 0 on success, -1 on failure
+ */
+int tlsv1_set_cert(struct tlsv1_credentials *cred, const char *cert,
+		   const u8 *cert_blob, size_t cert_blob_len)
+{
+	return tlsv1_set_cert_chain(&cred->cert, cert,
+				    cert_blob, cert_blob_len);
+}
+
+
+static struct crypto_private_key * tlsv1_set_key_pem(const u8 *key, size_t len)
+{
+	const u8 *pos, *end;
+	unsigned char *der;
+	size_t der_len;
+	struct crypto_private_key *pkey;
+
+	pos = search_tag(pem_key_begin, key, len);
+	if (!pos) {
+		pos = search_tag(pem_key2_begin, key, len);
+		if (!pos)
+			return NULL;
+		pos += os_strlen(pem_key2_begin);
+		end = search_tag(pem_key2_end, pos, key + len - pos);
+		if (!end)
+			return NULL;
+	} else {
+		pos += os_strlen(pem_key_begin);
+		end = search_tag(pem_key_end, pos, key + len - pos);
+		if (!end)
+			return NULL;
+	}
+
+	der = base64_decode(pos, end - pos, &der_len);
+	if (!der)
+		return NULL;
+	pkey = crypto_private_key_import(der, der_len, NULL);
+	os_free(der);
+	return pkey;
+}
+
+
+static struct crypto_private_key * tlsv1_set_key_enc_pem(const u8 *key,
+							 size_t len,
+							 const char *passwd)
+{
+	const u8 *pos, *end;
+	unsigned char *der;
+	size_t der_len;
+	struct crypto_private_key *pkey;
+
+	if (passwd == NULL)
+		return NULL;
+	pos = search_tag(pem_key_enc_begin, key, len);
+	if (!pos)
+		return NULL;
+	pos += os_strlen(pem_key_enc_begin);
+	end = search_tag(pem_key_enc_end, pos, key + len - pos);
+	if (!end)
+		return NULL;
+
+	der = base64_decode(pos, end - pos, &der_len);
+	if (!der)
+		return NULL;
+	pkey = crypto_private_key_import(der, der_len, passwd);
+	os_free(der);
+	return pkey;
+}
+
+
+static int tlsv1_set_key(struct tlsv1_credentials *cred,
+			 const u8 *key, size_t len, const char *passwd)
+{
+	cred->key = crypto_private_key_import(key, len, passwd);
+	if (cred->key == NULL)
+		cred->key = tlsv1_set_key_pem(key, len);
+	if (cred->key == NULL)
+		cred->key = tlsv1_set_key_enc_pem(key, len, passwd);
+	if (cred->key == NULL) {
+		wpa_printf(MSG_INFO, "TLSv1: Failed to parse private key");
+		return -1;
+	}
+	return 0;
+}
+
+
+/**
+ * tlsv1_set_private_key - Set private key
+ * @cred: TLSv1 credentials from tlsv1_cred_alloc()
+ * @private_key: File or reference name for the key in PEM or DER format
+ * @private_key_passwd: Passphrase for decrypted private key, %NULL if no
+ * passphrase is used.
+ * @private_key_blob: private_key as inlined data or %NULL if not used
+ * @private_key_blob_len: private_key_blob length
+ * Returns: 0 on success, -1 on failure
+ */
+int tlsv1_set_private_key(struct tlsv1_credentials *cred,
+			  const char *private_key,
+			  const char *private_key_passwd,
+			  const u8 *private_key_blob,
+			  size_t private_key_blob_len)
+{
+	crypto_private_key_free(cred->key);
+	cred->key = NULL;
+
+	if (private_key_blob)
+		return tlsv1_set_key(cred, private_key_blob,
+				     private_key_blob_len,
+				     private_key_passwd);
+
+	if (private_key) {
+		u8 *buf;
+		size_t len;
+		int ret;
+
+		buf = (u8 *) os_readfile(private_key, &len);
+		if (buf == NULL) {
+			wpa_printf(MSG_INFO, "TLSv1: Failed to read '%s'",
+				   private_key);
+			return -1;
+		}
+
+		ret = tlsv1_set_key(cred, buf, len, private_key_passwd);
+		os_free(buf);
+		return ret;
+	}
+
+	return 0;
+}
+
+
+static int tlsv1_set_dhparams_der(struct tlsv1_credentials *cred,
+				  const u8 *dh, size_t len)
+{
+	struct asn1_hdr hdr;
+	const u8 *pos, *end;
+
+	pos = dh;
+	end = dh + len;
+
+	/*
+	 * DHParameter ::= SEQUENCE {
+	 *   prime INTEGER, -- p
+	 *   base INTEGER, -- g
+	 *   privateValueLength INTEGER OPTIONAL }
+	 */
+
+	/* DHParamer ::= SEQUENCE */
+	if (asn1_get_next(pos, len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "DH: DH parameters did not start with a "
+			   "valid SEQUENCE - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return -1;
+	}
+	pos = hdr.payload;
+
+	/* prime INTEGER */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0)
+		return -1;
+
+	if (hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_INTEGER) {
+		wpa_printf(MSG_DEBUG, "DH: No INTEGER tag found for p; "
+			   "class=%d tag=0x%x", hdr.class, hdr.tag);
+		return -1;
+	}
+
+	wpa_hexdump(MSG_MSGDUMP, "DH: prime (p)", hdr.payload, hdr.length);
+	if (hdr.length == 0)
+		return -1;
+	os_free(cred->dh_p);
+	cred->dh_p = os_malloc(hdr.length);
+	if (cred->dh_p == NULL)
+		return -1;
+	os_memcpy(cred->dh_p, hdr.payload, hdr.length);
+	cred->dh_p_len = hdr.length;
+	pos = hdr.payload + hdr.length;
+
+	/* base INTEGER */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0)
+		return -1;
+
+	if (hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_INTEGER) {
+		wpa_printf(MSG_DEBUG, "DH: No INTEGER tag found for g; "
+			   "class=%d tag=0x%x", hdr.class, hdr.tag);
+		return -1;
+	}
+
+	wpa_hexdump(MSG_MSGDUMP, "DH: base (g)", hdr.payload, hdr.length);
+	if (hdr.length == 0)
+		return -1;
+	os_free(cred->dh_g);
+	cred->dh_g = os_malloc(hdr.length);
+	if (cred->dh_g == NULL)
+		return -1;
+	os_memcpy(cred->dh_g, hdr.payload, hdr.length);
+	cred->dh_g_len = hdr.length;
+
+	return 0;
+}
+
+
+static const char *pem_dhparams_begin = "-----BEGIN DH PARAMETERS-----";
+static const char *pem_dhparams_end = "-----END DH PARAMETERS-----";
+
+
+static int tlsv1_set_dhparams_blob(struct tlsv1_credentials *cred,
+				   const u8 *buf, size_t len)
+{
+	const u8 *pos, *end;
+	unsigned char *der;
+	size_t der_len;
+
+	pos = search_tag(pem_dhparams_begin, buf, len);
+	if (!pos) {
+		wpa_printf(MSG_DEBUG, "TLSv1: No PEM dhparams tag found - "
+			   "assume DER format");
+		return tlsv1_set_dhparams_der(cred, buf, len);
+	}
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Converting PEM format dhparams into DER "
+		   "format");
+
+	pos += os_strlen(pem_dhparams_begin);
+	end = search_tag(pem_dhparams_end, pos, buf + len - pos);
+	if (end == NULL) {
+		wpa_printf(MSG_INFO, "TLSv1: Could not find PEM dhparams end "
+			   "tag (%s)", pem_dhparams_end);
+		return -1;
+	}
+
+	der = base64_decode(pos, end - pos, &der_len);
+	if (der == NULL) {
+		wpa_printf(MSG_INFO, "TLSv1: Could not decode PEM dhparams");
+		return -1;
+	}
+
+	if (tlsv1_set_dhparams_der(cred, der, der_len) < 0) {
+		wpa_printf(MSG_INFO, "TLSv1: Failed to parse PEM dhparams "
+			   "DER conversion");
+		os_free(der);
+		return -1;
+	}
+
+	os_free(der);
+
+	return 0;
+}
+
+
+/**
+ * tlsv1_set_dhparams - Set Diffie-Hellman parameters
+ * @cred: TLSv1 credentials from tlsv1_cred_alloc()
+ * @dh_file: File or reference name for the DH params in PEM or DER format
+ * @dh_blob: DH params as inlined data or %NULL if not used
+ * @dh_blob_len: dh_blob length
+ * Returns: 0 on success, -1 on failure
+ */
+int tlsv1_set_dhparams(struct tlsv1_credentials *cred, const char *dh_file,
+		       const u8 *dh_blob, size_t dh_blob_len)
+{
+	if (dh_blob)
+		return tlsv1_set_dhparams_blob(cred, dh_blob, dh_blob_len);
+
+	if (dh_file) {
+		u8 *buf;
+		size_t len;
+		int ret;
+
+		buf = (u8 *) os_readfile(dh_file, &len);
+		if (buf == NULL) {
+			wpa_printf(MSG_INFO, "TLSv1: Failed to read '%s'",
+				   dh_file);
+			return -1;
+		}
+
+		ret = tlsv1_set_dhparams_blob(cred, buf, len);
+		os_free(buf);
+		return ret;
+	}
+
+	return 0;
+}
diff --git a/src/tls/tlsv1_cred.h b/src/tls/tlsv1_cred.h
new file mode 100644
index 0000000..8425fe4
--- /dev/null
+++ b/src/tls/tlsv1_cred.h
@@ -0,0 +1,46 @@
+/*
+ * TLSv1 credentials
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef TLSV1_CRED_H
+#define TLSV1_CRED_H
+
+struct tlsv1_credentials {
+	struct x509_certificate *trusted_certs;
+	struct x509_certificate *cert;
+	struct crypto_private_key *key;
+
+	/* Diffie-Hellman parameters */
+	u8 *dh_p; /* prime */
+	size_t dh_p_len;
+	u8 *dh_g; /* generator */
+	size_t dh_g_len;
+};
+
+
+struct tlsv1_credentials * tlsv1_cred_alloc(void);
+void tlsv1_cred_free(struct tlsv1_credentials *cred);
+int tlsv1_set_ca_cert(struct tlsv1_credentials *cred, const char *cert,
+		      const u8 *cert_blob, size_t cert_blob_len,
+		      const char *path);
+int tlsv1_set_cert(struct tlsv1_credentials *cred, const char *cert,
+		   const u8 *cert_blob, size_t cert_blob_len);
+int tlsv1_set_private_key(struct tlsv1_credentials *cred,
+			  const char *private_key,
+			  const char *private_key_passwd,
+			  const u8 *private_key_blob,
+			  size_t private_key_blob_len);
+int tlsv1_set_dhparams(struct tlsv1_credentials *cred, const char *dh_file,
+		       const u8 *dh_blob, size_t dh_blob_len);
+
+#endif /* TLSV1_CRED_H */
diff --git a/src/tls/tlsv1_record.c b/src/tls/tlsv1_record.c
new file mode 100644
index 0000000..e811f0e
--- /dev/null
+++ b/src/tls/tlsv1_record.c
@@ -0,0 +1,409 @@
+/*
+ * TLSv1 Record Protocol
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/md5.h"
+#include "crypto/sha1.h"
+#include "tlsv1_common.h"
+#include "tlsv1_record.h"
+
+
+/**
+ * tlsv1_record_set_cipher_suite - TLS record layer: Set cipher suite
+ * @rl: Pointer to TLS record layer data
+ * @cipher_suite: New cipher suite
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is used to prepare TLS record layer for cipher suite change.
+ * tlsv1_record_change_write_cipher() and
+ * tlsv1_record_change_read_cipher() functions can then be used to change the
+ * currently used ciphers.
+ */
+int tlsv1_record_set_cipher_suite(struct tlsv1_record_layer *rl,
+				  u16 cipher_suite)
+{
+	const struct tls_cipher_suite *suite;
+	const struct tls_cipher_data *data;
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Selected cipher suite: 0x%04x",
+		   cipher_suite);
+	rl->cipher_suite = cipher_suite;
+
+	suite = tls_get_cipher_suite(cipher_suite);
+	if (suite == NULL)
+		return -1;
+
+	if (suite->hash == TLS_HASH_MD5) {
+		rl->hash_alg = CRYPTO_HASH_ALG_HMAC_MD5;
+		rl->hash_size = MD5_MAC_LEN;
+	} else if (suite->hash == TLS_HASH_SHA) {
+		rl->hash_alg = CRYPTO_HASH_ALG_HMAC_SHA1;
+		rl->hash_size = SHA1_MAC_LEN;
+	}
+
+	data = tls_get_cipher_data(suite->cipher);
+	if (data == NULL)
+		return -1;
+
+	rl->key_material_len = data->key_material;
+	rl->iv_size = data->block_size;
+	rl->cipher_alg = data->alg;
+
+	return 0;
+}
+
+
+/**
+ * tlsv1_record_change_write_cipher - TLS record layer: Change write cipher
+ * @rl: Pointer to TLS record layer data
+ * Returns: 0 on success (cipher changed), -1 on failure
+ *
+ * This function changes TLS record layer to use the new cipher suite
+ * configured with tlsv1_record_set_cipher_suite() for writing.
+ */
+int tlsv1_record_change_write_cipher(struct tlsv1_record_layer *rl)
+{
+	wpa_printf(MSG_DEBUG, "TLSv1: Record Layer - New write cipher suite "
+		   "0x%04x", rl->cipher_suite);
+	rl->write_cipher_suite = rl->cipher_suite;
+	os_memset(rl->write_seq_num, 0, TLS_SEQ_NUM_LEN);
+
+	if (rl->write_cbc) {
+		crypto_cipher_deinit(rl->write_cbc);
+		rl->write_cbc = NULL;
+	}
+	if (rl->cipher_alg != CRYPTO_CIPHER_NULL) {
+		rl->write_cbc = crypto_cipher_init(rl->cipher_alg,
+						   rl->write_iv, rl->write_key,
+						   rl->key_material_len);
+		if (rl->write_cbc == NULL) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Failed to initialize "
+				   "cipher");
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+
+/**
+ * tlsv1_record_change_read_cipher - TLS record layer: Change read cipher
+ * @rl: Pointer to TLS record layer data
+ * Returns: 0 on success (cipher changed), -1 on failure
+ *
+ * This function changes TLS record layer to use the new cipher suite
+ * configured with tlsv1_record_set_cipher_suite() for reading.
+ */
+int tlsv1_record_change_read_cipher(struct tlsv1_record_layer *rl)
+{
+	wpa_printf(MSG_DEBUG, "TLSv1: Record Layer - New read cipher suite "
+		   "0x%04x", rl->cipher_suite);
+	rl->read_cipher_suite = rl->cipher_suite;
+	os_memset(rl->read_seq_num, 0, TLS_SEQ_NUM_LEN);
+
+	if (rl->read_cbc) {
+		crypto_cipher_deinit(rl->read_cbc);
+		rl->read_cbc = NULL;
+	}
+	if (rl->cipher_alg != CRYPTO_CIPHER_NULL) {
+		rl->read_cbc = crypto_cipher_init(rl->cipher_alg,
+						  rl->read_iv, rl->read_key,
+						  rl->key_material_len);
+		if (rl->read_cbc == NULL) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Failed to initialize "
+				   "cipher");
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+
+/**
+ * tlsv1_record_send - TLS record layer: Send a message
+ * @rl: Pointer to TLS record layer data
+ * @content_type: Content type (TLS_CONTENT_TYPE_*)
+ * @buf: Buffer to send (with TLS_RECORD_HEADER_LEN octets reserved in the
+ * beginning for record layer to fill in; payload filled in after this and
+ * extra space in the end for HMAC).
+ * @buf_size: Maximum buf size
+ * @payload_len: Length of the payload
+ * @out_len: Buffer for returning the used buf length
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function fills in the TLS record layer header, adds HMAC, and encrypts
+ * the data using the current write cipher.
+ */
+int tlsv1_record_send(struct tlsv1_record_layer *rl, u8 content_type, u8 *buf,
+		      size_t buf_size, size_t payload_len, size_t *out_len)
+{
+	u8 *pos, *ct_start, *length, *payload;
+	struct crypto_hash *hmac;
+	size_t clen;
+
+	pos = buf;
+	/* ContentType type */
+	ct_start = pos;
+	*pos++ = content_type;
+	/* ProtocolVersion version */
+	WPA_PUT_BE16(pos, TLS_VERSION);
+	pos += 2;
+	/* uint16 length */
+	length = pos;
+	WPA_PUT_BE16(length, payload_len);
+	pos += 2;
+
+	/* opaque fragment[TLSPlaintext.length] */
+	payload = pos;
+	pos += payload_len;
+
+	if (rl->write_cipher_suite != TLS_NULL_WITH_NULL_NULL) {
+		hmac = crypto_hash_init(rl->hash_alg, rl->write_mac_secret,
+					rl->hash_size);
+		if (hmac == NULL) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Record Layer - Failed "
+				   "to initialize HMAC");
+			return -1;
+		}
+		crypto_hash_update(hmac, rl->write_seq_num, TLS_SEQ_NUM_LEN);
+		/* type + version + length + fragment */
+		crypto_hash_update(hmac, ct_start, pos - ct_start);
+		clen = buf + buf_size - pos;
+		if (clen < rl->hash_size) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Record Layer - Not "
+				   "enough room for MAC");
+			crypto_hash_finish(hmac, NULL, NULL);
+			return -1;
+		}
+
+		if (crypto_hash_finish(hmac, pos, &clen) < 0) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Record Layer - Failed "
+				   "to calculate HMAC");
+			return -1;
+		}
+		wpa_hexdump(MSG_MSGDUMP, "TLSv1: Record Layer - Write HMAC",
+			    pos, clen);
+		pos += clen;
+		if (rl->iv_size) {
+			size_t len = pos - payload;
+			size_t pad;
+			pad = (len + 1) % rl->iv_size;
+			if (pad)
+				pad = rl->iv_size - pad;
+			if (pos + pad + 1 > buf + buf_size) {
+				wpa_printf(MSG_DEBUG, "TLSv1: No room for "
+					   "block cipher padding");
+				return -1;
+			}
+			os_memset(pos, pad, pad + 1);
+			pos += pad + 1;
+		}
+
+		if (crypto_cipher_encrypt(rl->write_cbc, payload,
+					  payload, pos - payload) < 0)
+			return -1;
+	}
+
+	WPA_PUT_BE16(length, pos - length - 2);
+	inc_byte_array(rl->write_seq_num, TLS_SEQ_NUM_LEN);
+
+	*out_len = pos - buf;
+
+	return 0;
+}
+
+
+/**
+ * tlsv1_record_receive - TLS record layer: Process a received message
+ * @rl: Pointer to TLS record layer data
+ * @in_data: Received data
+ * @in_len: Length of the received data
+ * @out_data: Buffer for output data (must be at least as long as in_data)
+ * @out_len: Set to maximum out_data length by caller; used to return the
+ * length of the used data
+ * @alert: Buffer for returning an alert value on failure
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function decrypts the received message, verifies HMAC and TLS record
+ * layer header.
+ */
+int tlsv1_record_receive(struct tlsv1_record_layer *rl,
+			 const u8 *in_data, size_t in_len,
+			 u8 *out_data, size_t *out_len, u8 *alert)
+{
+	size_t i, rlen, hlen;
+	u8 padlen;
+	struct crypto_hash *hmac;
+	u8 len[2], hash[100];
+
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: Record Layer - Received",
+		    in_data, in_len);
+
+	if (in_len < TLS_RECORD_HEADER_LEN) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Too short record (in_len=%lu)",
+			   (unsigned long) in_len);
+		*alert = TLS_ALERT_DECODE_ERROR;
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Received content type %d version %d.%d "
+		   "length %d", in_data[0], in_data[1], in_data[2],
+		   WPA_GET_BE16(in_data + 3));
+
+	if (in_data[0] != TLS_CONTENT_TYPE_HANDSHAKE &&
+	    in_data[0] != TLS_CONTENT_TYPE_CHANGE_CIPHER_SPEC &&
+	    in_data[0] != TLS_CONTENT_TYPE_ALERT &&
+	    in_data[0] != TLS_CONTENT_TYPE_APPLICATION_DATA) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Unexpected content type 0x%x",
+			   in_data[0]);
+		*alert = TLS_ALERT_UNEXPECTED_MESSAGE;
+		return -1;
+	}
+
+	if (WPA_GET_BE16(in_data + 1) != TLS_VERSION) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Unexpected protocol version "
+			   "%d.%d", in_data[1], in_data[2]);
+		*alert = TLS_ALERT_PROTOCOL_VERSION;
+		return -1;
+	}
+
+	rlen = WPA_GET_BE16(in_data + 3);
+
+	/* TLSCiphertext must not be more than 2^14+2048 bytes */
+	if (TLS_RECORD_HEADER_LEN + rlen > 18432) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Record overflow (len=%lu)",
+			   (unsigned long) (TLS_RECORD_HEADER_LEN + rlen));
+		*alert = TLS_ALERT_RECORD_OVERFLOW;
+		return -1;
+	}
+
+	in_data += TLS_RECORD_HEADER_LEN;
+	in_len -= TLS_RECORD_HEADER_LEN;
+
+	if (rlen > in_len) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Not all record data included "
+			   "(rlen=%lu > in_len=%lu)",
+			   (unsigned long) rlen, (unsigned long) in_len);
+		*alert = TLS_ALERT_DECODE_ERROR;
+		return -1;
+	}
+
+	in_len = rlen;
+
+	if (*out_len < in_len) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Not enough output buffer for "
+			   "processing received record");
+		*alert = TLS_ALERT_INTERNAL_ERROR;
+		return -1;
+	}
+
+	os_memcpy(out_data, in_data, in_len);
+	*out_len = in_len;
+
+	if (rl->read_cipher_suite != TLS_NULL_WITH_NULL_NULL) {
+		if (crypto_cipher_decrypt(rl->read_cbc, out_data,
+					  out_data, in_len) < 0) {
+			*alert = TLS_ALERT_DECRYPTION_FAILED;
+			return -1;
+		}
+		if (rl->iv_size) {
+			if (in_len == 0) {
+				wpa_printf(MSG_DEBUG, "TLSv1: Too short record"
+					   " (no pad)");
+				*alert = TLS_ALERT_DECODE_ERROR;
+				return -1;
+			}
+			padlen = out_data[in_len - 1];
+			if (padlen >= in_len) {
+				wpa_printf(MSG_DEBUG, "TLSv1: Incorrect pad "
+					   "length (%u, in_len=%lu) in "
+					   "received record",
+					   padlen, (unsigned long) in_len);
+				*alert = TLS_ALERT_DECRYPTION_FAILED;
+				return -1;
+			}
+			for (i = in_len - padlen; i < in_len; i++) {
+				if (out_data[i] != padlen) {
+					wpa_hexdump(MSG_DEBUG,
+						    "TLSv1: Invalid pad in "
+						    "received record",
+						    out_data + in_len - padlen,
+						    padlen);
+					*alert = TLS_ALERT_DECRYPTION_FAILED;
+					return -1;
+				}
+			}
+
+			*out_len -= padlen + 1;
+		}
+
+		wpa_hexdump(MSG_MSGDUMP,
+			    "TLSv1: Record Layer - Decrypted data",
+			    out_data, in_len);
+
+		if (*out_len < rl->hash_size) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Too short record; no "
+				   "hash value");
+			*alert = TLS_ALERT_INTERNAL_ERROR;
+			return -1;
+		}
+
+		*out_len -= rl->hash_size;
+
+		hmac = crypto_hash_init(rl->hash_alg, rl->read_mac_secret,
+					rl->hash_size);
+		if (hmac == NULL) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Record Layer - Failed "
+				   "to initialize HMAC");
+			*alert = TLS_ALERT_INTERNAL_ERROR;
+			return -1;
+		}
+
+		crypto_hash_update(hmac, rl->read_seq_num, TLS_SEQ_NUM_LEN);
+		/* type + version + length + fragment */
+		crypto_hash_update(hmac, in_data - TLS_RECORD_HEADER_LEN, 3);
+		WPA_PUT_BE16(len, *out_len);
+		crypto_hash_update(hmac, len, 2);
+		crypto_hash_update(hmac, out_data, *out_len);
+		hlen = sizeof(hash);
+		if (crypto_hash_finish(hmac, hash, &hlen) < 0) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Record Layer - Failed "
+				   "to calculate HMAC");
+			return -1;
+		}
+		if (hlen != rl->hash_size ||
+		    os_memcmp(hash, out_data + *out_len, hlen) != 0) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Invalid HMAC value in "
+				   "received message");
+			*alert = TLS_ALERT_BAD_RECORD_MAC;
+			return -1;
+		}
+	}
+
+	/* TLSCompressed must not be more than 2^14+1024 bytes */
+	if (TLS_RECORD_HEADER_LEN + *out_len > 17408) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Record overflow (len=%lu)",
+			   (unsigned long) (TLS_RECORD_HEADER_LEN + *out_len));
+		*alert = TLS_ALERT_RECORD_OVERFLOW;
+		return -1;
+	}
+
+	inc_byte_array(rl->read_seq_num, TLS_SEQ_NUM_LEN);
+
+	return 0;
+}
diff --git a/src/tls/tlsv1_record.h b/src/tls/tlsv1_record.h
new file mode 100644
index 0000000..9c7c0a4
--- /dev/null
+++ b/src/tls/tlsv1_record.h
@@ -0,0 +1,74 @@
+/*
+ * TLSv1 Record Protocol
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef TLSV1_RECORD_H
+#define TLSV1_RECORD_H
+
+#include "crypto/crypto.h"
+
+#define TLS_MAX_WRITE_MAC_SECRET_LEN 20
+#define TLS_MAX_WRITE_KEY_LEN 32
+#define TLS_MAX_IV_LEN 16
+#define TLS_MAX_KEY_BLOCK_LEN (2 * (TLS_MAX_WRITE_MAC_SECRET_LEN + \
+				    TLS_MAX_WRITE_KEY_LEN + TLS_MAX_IV_LEN))
+
+#define TLS_SEQ_NUM_LEN 8
+#define TLS_RECORD_HEADER_LEN 5
+
+/* ContentType */
+enum {
+	TLS_CONTENT_TYPE_CHANGE_CIPHER_SPEC = 20,
+	TLS_CONTENT_TYPE_ALERT = 21,
+	TLS_CONTENT_TYPE_HANDSHAKE = 22,
+	TLS_CONTENT_TYPE_APPLICATION_DATA = 23
+};
+
+struct tlsv1_record_layer {
+	u8 write_mac_secret[TLS_MAX_WRITE_MAC_SECRET_LEN];
+	u8 read_mac_secret[TLS_MAX_WRITE_MAC_SECRET_LEN];
+	u8 write_key[TLS_MAX_WRITE_KEY_LEN];
+	u8 read_key[TLS_MAX_WRITE_KEY_LEN];
+	u8 write_iv[TLS_MAX_IV_LEN];
+	u8 read_iv[TLS_MAX_IV_LEN];
+
+	size_t hash_size;
+	size_t key_material_len;
+	size_t iv_size; /* also block_size */
+
+	enum crypto_hash_alg hash_alg;
+	enum crypto_cipher_alg cipher_alg;
+
+	u8 write_seq_num[TLS_SEQ_NUM_LEN];
+	u8 read_seq_num[TLS_SEQ_NUM_LEN];
+
+	u16 cipher_suite;
+	u16 write_cipher_suite;
+	u16 read_cipher_suite;
+
+	struct crypto_cipher *write_cbc;
+	struct crypto_cipher *read_cbc;
+};
+
+
+int tlsv1_record_set_cipher_suite(struct tlsv1_record_layer *rl,
+				  u16 cipher_suite);
+int tlsv1_record_change_write_cipher(struct tlsv1_record_layer *rl);
+int tlsv1_record_change_read_cipher(struct tlsv1_record_layer *rl);
+int tlsv1_record_send(struct tlsv1_record_layer *rl, u8 content_type, u8 *buf,
+		      size_t buf_size, size_t payload_len, size_t *out_len);
+int tlsv1_record_receive(struct tlsv1_record_layer *rl,
+			 const u8 *in_data, size_t in_len,
+			 u8 *out_data, size_t *out_len, u8 *alert);
+
+#endif /* TLSV1_RECORD_H */
diff --git a/src/tls/tlsv1_server.c b/src/tls/tlsv1_server.c
new file mode 100644
index 0000000..6a61235
--- /dev/null
+++ b/src/tls/tlsv1_server.c
@@ -0,0 +1,592 @@
+/*
+ * TLSv1 server (RFC 2246)
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/sha1.h"
+#include "crypto/tls.h"
+#include "tlsv1_common.h"
+#include "tlsv1_record.h"
+#include "tlsv1_server.h"
+#include "tlsv1_server_i.h"
+
+/* TODO:
+ * Support for a message fragmented across several records (RFC 2246, 6.2.1)
+ */
+
+
+void tlsv1_server_alert(struct tlsv1_server *conn, u8 level, u8 description)
+{
+	conn->alert_level = level;
+	conn->alert_description = description;
+}
+
+
+int tlsv1_server_derive_keys(struct tlsv1_server *conn,
+			     const u8 *pre_master_secret,
+			     size_t pre_master_secret_len)
+{
+	u8 seed[2 * TLS_RANDOM_LEN];
+	u8 key_block[TLS_MAX_KEY_BLOCK_LEN];
+	u8 *pos;
+	size_t key_block_len;
+
+	if (pre_master_secret) {
+		wpa_hexdump_key(MSG_MSGDUMP, "TLSv1: pre_master_secret",
+				pre_master_secret, pre_master_secret_len);
+		os_memcpy(seed, conn->client_random, TLS_RANDOM_LEN);
+		os_memcpy(seed + TLS_RANDOM_LEN, conn->server_random,
+			  TLS_RANDOM_LEN);
+		if (tls_prf(pre_master_secret, pre_master_secret_len,
+			    "master secret", seed, 2 * TLS_RANDOM_LEN,
+			    conn->master_secret, TLS_MASTER_SECRET_LEN)) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Failed to derive "
+				   "master_secret");
+			return -1;
+		}
+		wpa_hexdump_key(MSG_MSGDUMP, "TLSv1: master_secret",
+				conn->master_secret, TLS_MASTER_SECRET_LEN);
+	}
+
+	os_memcpy(seed, conn->server_random, TLS_RANDOM_LEN);
+	os_memcpy(seed + TLS_RANDOM_LEN, conn->client_random, TLS_RANDOM_LEN);
+	key_block_len = 2 * (conn->rl.hash_size + conn->rl.key_material_len +
+			     conn->rl.iv_size);
+	if (tls_prf(conn->master_secret, TLS_MASTER_SECRET_LEN,
+		    "key expansion", seed, 2 * TLS_RANDOM_LEN,
+		    key_block, key_block_len)) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to derive key_block");
+		return -1;
+	}
+	wpa_hexdump_key(MSG_MSGDUMP, "TLSv1: key_block",
+			key_block, key_block_len);
+
+	pos = key_block;
+
+	/* client_write_MAC_secret */
+	os_memcpy(conn->rl.read_mac_secret, pos, conn->rl.hash_size);
+	pos += conn->rl.hash_size;
+	/* server_write_MAC_secret */
+	os_memcpy(conn->rl.write_mac_secret, pos, conn->rl.hash_size);
+	pos += conn->rl.hash_size;
+
+	/* client_write_key */
+	os_memcpy(conn->rl.read_key, pos, conn->rl.key_material_len);
+	pos += conn->rl.key_material_len;
+	/* server_write_key */
+	os_memcpy(conn->rl.write_key, pos, conn->rl.key_material_len);
+	pos += conn->rl.key_material_len;
+
+	/* client_write_IV */
+	os_memcpy(conn->rl.read_iv, pos, conn->rl.iv_size);
+	pos += conn->rl.iv_size;
+	/* server_write_IV */
+	os_memcpy(conn->rl.write_iv, pos, conn->rl.iv_size);
+	pos += conn->rl.iv_size;
+
+	return 0;
+}
+
+
+/**
+ * tlsv1_server_handshake - Process TLS handshake
+ * @conn: TLSv1 server connection data from tlsv1_server_init()
+ * @in_data: Input data from TLS peer
+ * @in_len: Input data length
+ * @out_len: Length of the output buffer.
+ * Returns: Pointer to output data, %NULL on failure
+ */
+u8 * tlsv1_server_handshake(struct tlsv1_server *conn,
+			    const u8 *in_data, size_t in_len,
+			    size_t *out_len)
+{
+	const u8 *pos, *end;
+	u8 *msg = NULL, *in_msg, *in_pos, *in_end, alert, ct;
+	size_t in_msg_len;
+
+	if (in_data == NULL || in_len == 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: No input data to server");
+		return NULL;
+	}
+
+	pos = in_data;
+	end = in_data + in_len;
+	in_msg = os_malloc(in_len);
+	if (in_msg == NULL)
+		return NULL;
+
+	/* Each received packet may include multiple records */
+	while (pos < end) {
+		in_msg_len = in_len;
+		if (tlsv1_record_receive(&conn->rl, pos, end - pos,
+					 in_msg, &in_msg_len, &alert)) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Processing received "
+				   "record failed");
+			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL, alert);
+			goto failed;
+		}
+		ct = pos[0];
+
+		in_pos = in_msg;
+		in_end = in_msg + in_msg_len;
+
+		/* Each received record may include multiple messages of the
+		 * same ContentType. */
+		while (in_pos < in_end) {
+			in_msg_len = in_end - in_pos;
+			if (tlsv1_server_process_handshake(conn, ct, in_pos,
+							   &in_msg_len) < 0)
+				goto failed;
+			in_pos += in_msg_len;
+		}
+
+		pos += TLS_RECORD_HEADER_LEN + WPA_GET_BE16(pos + 3);
+	}
+
+	os_free(in_msg);
+	in_msg = NULL;
+
+	msg = tlsv1_server_handshake_write(conn, out_len);
+
+failed:
+	os_free(in_msg);
+	if (conn->alert_level) {
+		if (conn->state == FAILED) {
+			/* Avoid alert loops */
+			wpa_printf(MSG_DEBUG, "TLSv1: Drop alert loop");
+			os_free(msg);
+			return NULL;
+		}
+		conn->state = FAILED;
+		os_free(msg);
+		msg = tlsv1_server_send_alert(conn, conn->alert_level,
+					      conn->alert_description,
+					      out_len);
+	}
+
+	return msg;
+}
+
+
+/**
+ * tlsv1_server_encrypt - Encrypt data into TLS tunnel
+ * @conn: TLSv1 server connection data from tlsv1_server_init()
+ * @in_data: Pointer to plaintext data to be encrypted
+ * @in_len: Input buffer length
+ * @out_data: Pointer to output buffer (encrypted TLS data)
+ * @out_len: Maximum out_data length 
+ * Returns: Number of bytes written to out_data, -1 on failure
+ *
+ * This function is used after TLS handshake has been completed successfully to
+ * send data in the encrypted tunnel.
+ */
+int tlsv1_server_encrypt(struct tlsv1_server *conn,
+			 const u8 *in_data, size_t in_len,
+			 u8 *out_data, size_t out_len)
+{
+	size_t rlen;
+
+	wpa_hexdump_key(MSG_MSGDUMP, "TLSv1: Plaintext AppData",
+			in_data, in_len);
+
+	os_memcpy(out_data + TLS_RECORD_HEADER_LEN, in_data, in_len);
+
+	if (tlsv1_record_send(&conn->rl, TLS_CONTENT_TYPE_APPLICATION_DATA,
+			      out_data, out_len, in_len, &rlen) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to create a record");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	return rlen;
+}
+
+
+/**
+ * tlsv1_server_decrypt - Decrypt data from TLS tunnel
+ * @conn: TLSv1 server connection data from tlsv1_server_init()
+ * @in_data: Pointer to input buffer (encrypted TLS data)
+ * @in_len: Input buffer length
+ * @out_data: Pointer to output buffer (decrypted data from TLS tunnel)
+ * @out_len: Maximum out_data length
+ * Returns: Number of bytes written to out_data, -1 on failure
+ *
+ * This function is used after TLS handshake has been completed successfully to
+ * receive data from the encrypted tunnel.
+ */
+int tlsv1_server_decrypt(struct tlsv1_server *conn,
+			 const u8 *in_data, size_t in_len,
+			 u8 *out_data, size_t out_len)
+{
+	const u8 *in_end, *pos;
+	int res;
+	u8 alert, *out_end, *out_pos;
+	size_t olen;
+
+	pos = in_data;
+	in_end = in_data + in_len;
+	out_pos = out_data;
+	out_end = out_data + out_len;
+
+	while (pos < in_end) {
+		if (pos[0] != TLS_CONTENT_TYPE_APPLICATION_DATA) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Unexpected content type "
+				   "0x%x", pos[0]);
+			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+					   TLS_ALERT_UNEXPECTED_MESSAGE);
+			return -1;
+		}
+
+		olen = out_end - out_pos;
+		res = tlsv1_record_receive(&conn->rl, pos, in_end - pos,
+					   out_pos, &olen, &alert);
+		if (res < 0) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Record layer processing "
+				   "failed");
+			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL, alert);
+			return -1;
+		}
+		out_pos += olen;
+		if (out_pos > out_end) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Buffer not large enough "
+				   "for processing the received record");
+			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+					   TLS_ALERT_INTERNAL_ERROR);
+			return -1;
+		}
+
+		pos += TLS_RECORD_HEADER_LEN + WPA_GET_BE16(pos + 3);
+	}
+
+	return out_pos - out_data;
+}
+
+
+/**
+ * tlsv1_server_global_init - Initialize TLSv1 server
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function must be called before using any other TLSv1 server functions.
+ */
+int tlsv1_server_global_init(void)
+{
+	return crypto_global_init();
+}
+
+
+/**
+ * tlsv1_server_global_deinit - Deinitialize TLSv1 server
+ *
+ * This function can be used to deinitialize the TLSv1 server that was
+ * initialized by calling tlsv1_server_global_init(). No TLSv1 server functions
+ * can be called after this before calling tlsv1_server_global_init() again.
+ */
+void tlsv1_server_global_deinit(void)
+{
+	crypto_global_deinit();
+}
+
+
+/**
+ * tlsv1_server_init - Initialize TLSv1 server connection
+ * @cred: Pointer to server credentials from tlsv1_server_cred_alloc()
+ * Returns: Pointer to TLSv1 server connection data or %NULL on failure
+ */
+struct tlsv1_server * tlsv1_server_init(struct tlsv1_credentials *cred)
+{
+	struct tlsv1_server *conn;
+	size_t count;
+	u16 *suites;
+
+	conn = os_zalloc(sizeof(*conn));
+	if (conn == NULL)
+		return NULL;
+
+	conn->cred = cred;
+
+	conn->state = CLIENT_HELLO;
+
+	if (tls_verify_hash_init(&conn->verify) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to initialize verify "
+			   "hash");
+		os_free(conn);
+		return NULL;
+	}
+
+	count = 0;
+	suites = conn->cipher_suites;
+#ifndef CONFIG_CRYPTO_INTERNAL
+	suites[count++] = TLS_RSA_WITH_AES_256_CBC_SHA;
+#endif /* CONFIG_CRYPTO_INTERNAL */
+	suites[count++] = TLS_RSA_WITH_AES_128_CBC_SHA;
+	suites[count++] = TLS_RSA_WITH_3DES_EDE_CBC_SHA;
+	suites[count++] = TLS_RSA_WITH_RC4_128_SHA;
+	suites[count++] = TLS_RSA_WITH_RC4_128_MD5;
+	conn->num_cipher_suites = count;
+
+	return conn;
+}
+
+
+static void tlsv1_server_clear_data(struct tlsv1_server *conn)
+{
+	tlsv1_record_set_cipher_suite(&conn->rl, TLS_NULL_WITH_NULL_NULL);
+	tlsv1_record_change_write_cipher(&conn->rl);
+	tlsv1_record_change_read_cipher(&conn->rl);
+	tls_verify_hash_free(&conn->verify);
+
+	crypto_public_key_free(conn->client_rsa_key);
+	conn->client_rsa_key = NULL;
+
+	os_free(conn->session_ticket);
+	conn->session_ticket = NULL;
+	conn->session_ticket_len = 0;
+	conn->use_session_ticket = 0;
+
+	os_free(conn->dh_secret);
+	conn->dh_secret = NULL;
+	conn->dh_secret_len = 0;
+}
+
+
+/**
+ * tlsv1_server_deinit - Deinitialize TLSv1 server connection
+ * @conn: TLSv1 server connection data from tlsv1_server_init()
+ */
+void tlsv1_server_deinit(struct tlsv1_server *conn)
+{
+	tlsv1_server_clear_data(conn);
+	os_free(conn);
+}
+
+
+/**
+ * tlsv1_server_established - Check whether connection has been established
+ * @conn: TLSv1 server connection data from tlsv1_server_init()
+ * Returns: 1 if connection is established, 0 if not
+ */
+int tlsv1_server_established(struct tlsv1_server *conn)
+{
+	return conn->state == ESTABLISHED;
+}
+
+
+/**
+ * tlsv1_server_prf - Use TLS-PRF to derive keying material
+ * @conn: TLSv1 server connection data from tlsv1_server_init()
+ * @label: Label (e.g., description of the key) for PRF
+ * @server_random_first: seed is 0 = client_random|server_random,
+ * 1 = server_random|client_random
+ * @out: Buffer for output data from TLS-PRF
+ * @out_len: Length of the output buffer
+ * Returns: 0 on success, -1 on failure
+ */
+int tlsv1_server_prf(struct tlsv1_server *conn, const char *label,
+		     int server_random_first, u8 *out, size_t out_len)
+{
+	u8 seed[2 * TLS_RANDOM_LEN];
+
+	if (conn->state != ESTABLISHED)
+		return -1;
+
+	if (server_random_first) {
+		os_memcpy(seed, conn->server_random, TLS_RANDOM_LEN);
+		os_memcpy(seed + TLS_RANDOM_LEN, conn->client_random,
+			  TLS_RANDOM_LEN);
+	} else {
+		os_memcpy(seed, conn->client_random, TLS_RANDOM_LEN);
+		os_memcpy(seed + TLS_RANDOM_LEN, conn->server_random,
+			  TLS_RANDOM_LEN);
+	}
+
+	return tls_prf(conn->master_secret, TLS_MASTER_SECRET_LEN,
+		       label, seed, 2 * TLS_RANDOM_LEN, out, out_len);
+}
+
+
+/**
+ * tlsv1_server_get_cipher - Get current cipher name
+ * @conn: TLSv1 server connection data from tlsv1_server_init()
+ * @buf: Buffer for the cipher name
+ * @buflen: buf size
+ * Returns: 0 on success, -1 on failure
+ *
+ * Get the name of the currently used cipher.
+ */
+int tlsv1_server_get_cipher(struct tlsv1_server *conn, char *buf,
+			    size_t buflen)
+{
+	char *cipher;
+
+	switch (conn->rl.cipher_suite) {
+	case TLS_RSA_WITH_RC4_128_MD5:
+		cipher = "RC4-MD5";
+		break;
+	case TLS_RSA_WITH_RC4_128_SHA:
+		cipher = "RC4-SHA";
+		break;
+	case TLS_RSA_WITH_DES_CBC_SHA:
+		cipher = "DES-CBC-SHA";
+		break;
+	case TLS_RSA_WITH_3DES_EDE_CBC_SHA:
+		cipher = "DES-CBC3-SHA";
+		break;
+	case TLS_DH_anon_WITH_AES_128_CBC_SHA:
+		cipher = "ADH-AES-128-SHA";
+		break;
+	case TLS_RSA_WITH_AES_256_CBC_SHA:
+		cipher = "AES-256-SHA";
+		break;
+	case TLS_RSA_WITH_AES_128_CBC_SHA:
+		cipher = "AES-128-SHA";
+		break;
+	default:
+		return -1;
+	}
+
+	if (os_strlcpy(buf, cipher, buflen) >= buflen)
+		return -1;
+	return 0;
+}
+
+
+/**
+ * tlsv1_server_shutdown - Shutdown TLS connection
+ * @conn: TLSv1 server connection data from tlsv1_server_init()
+ * Returns: 0 on success, -1 on failure
+ */
+int tlsv1_server_shutdown(struct tlsv1_server *conn)
+{
+	conn->state = CLIENT_HELLO;
+
+	if (tls_verify_hash_init(&conn->verify) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to re-initialize verify "
+			   "hash");
+		return -1;
+	}
+
+	tlsv1_server_clear_data(conn);
+
+	return 0;
+}
+
+
+/**
+ * tlsv1_server_resumed - Was session resumption used
+ * @conn: TLSv1 server connection data from tlsv1_server_init()
+ * Returns: 1 if current session used session resumption, 0 if not
+ */
+int tlsv1_server_resumed(struct tlsv1_server *conn)
+{
+	return 0;
+}
+
+
+/**
+ * tlsv1_server_get_keys - Get master key and random data from TLS connection
+ * @conn: TLSv1 server connection data from tlsv1_server_init()
+ * @keys: Structure of key/random data (filled on success)
+ * Returns: 0 on success, -1 on failure
+ */
+int tlsv1_server_get_keys(struct tlsv1_server *conn, struct tls_keys *keys)
+{
+	os_memset(keys, 0, sizeof(*keys));
+	if (conn->state == CLIENT_HELLO)
+		return -1;
+
+	keys->client_random = conn->client_random;
+	keys->client_random_len = TLS_RANDOM_LEN;
+
+	if (conn->state != SERVER_HELLO) {
+		keys->server_random = conn->server_random;
+		keys->server_random_len = TLS_RANDOM_LEN;
+		keys->master_key = conn->master_secret;
+		keys->master_key_len = TLS_MASTER_SECRET_LEN;
+	}
+
+	return 0;
+}
+
+
+/**
+ * tlsv1_server_get_keyblock_size - Get TLS key_block size
+ * @conn: TLSv1 server connection data from tlsv1_server_init()
+ * Returns: Size of the key_block for the negotiated cipher suite or -1 on
+ * failure
+ */
+int tlsv1_server_get_keyblock_size(struct tlsv1_server *conn)
+{
+	if (conn->state == CLIENT_HELLO || conn->state == SERVER_HELLO)
+		return -1;
+
+	return 2 * (conn->rl.hash_size + conn->rl.key_material_len +
+		    conn->rl.iv_size);
+}
+
+
+/**
+ * tlsv1_server_set_cipher_list - Configure acceptable cipher suites
+ * @conn: TLSv1 server connection data from tlsv1_server_init()
+ * @ciphers: Zero (TLS_CIPHER_NONE) terminated list of allowed ciphers
+ * (TLS_CIPHER_*).
+ * Returns: 0 on success, -1 on failure
+ */
+int tlsv1_server_set_cipher_list(struct tlsv1_server *conn, u8 *ciphers)
+{
+	size_t count;
+	u16 *suites;
+
+	/* TODO: implement proper configuration of cipher suites */
+	if (ciphers[0] == TLS_CIPHER_ANON_DH_AES128_SHA) {
+		count = 0;
+		suites = conn->cipher_suites;
+#ifndef CONFIG_CRYPTO_INTERNAL
+		suites[count++] = TLS_RSA_WITH_AES_256_CBC_SHA;
+#endif /* CONFIG_CRYPTO_INTERNAL */
+		suites[count++] = TLS_RSA_WITH_AES_128_CBC_SHA;
+		suites[count++] = TLS_RSA_WITH_3DES_EDE_CBC_SHA;
+		suites[count++] = TLS_RSA_WITH_RC4_128_SHA;
+		suites[count++] = TLS_RSA_WITH_RC4_128_MD5;
+#ifndef CONFIG_CRYPTO_INTERNAL
+		suites[count++] = TLS_DH_anon_WITH_AES_256_CBC_SHA;
+#endif /* CONFIG_CRYPTO_INTERNAL */
+		suites[count++] = TLS_DH_anon_WITH_AES_128_CBC_SHA;
+		suites[count++] = TLS_DH_anon_WITH_3DES_EDE_CBC_SHA;
+		suites[count++] = TLS_DH_anon_WITH_RC4_128_MD5;
+		suites[count++] = TLS_DH_anon_WITH_DES_CBC_SHA;
+		conn->num_cipher_suites = count;
+	}
+
+	return 0;
+}
+
+
+int tlsv1_server_set_verify(struct tlsv1_server *conn, int verify_peer)
+{
+	conn->verify_peer = verify_peer;
+	return 0;
+}
+
+
+void tlsv1_server_set_session_ticket_cb(struct tlsv1_server *conn,
+					tlsv1_server_session_ticket_cb cb,
+					void *ctx)
+{
+	wpa_printf(MSG_DEBUG, "TLSv1: SessionTicket callback set %p (ctx %p)",
+		   cb, ctx);
+	conn->session_ticket_cb = cb;
+	conn->session_ticket_cb_ctx = ctx;
+}
diff --git a/src/tls/tlsv1_server.h b/src/tls/tlsv1_server.h
new file mode 100644
index 0000000..00c536c
--- /dev/null
+++ b/src/tls/tlsv1_server.h
@@ -0,0 +1,54 @@
+/*
+ * TLSv1 server (RFC 2246)
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef TLSV1_SERVER_H
+#define TLSV1_SERVER_H
+
+#include "tlsv1_cred.h"
+
+struct tlsv1_server;
+
+int tlsv1_server_global_init(void);
+void tlsv1_server_global_deinit(void);
+struct tlsv1_server * tlsv1_server_init(struct tlsv1_credentials *cred);
+void tlsv1_server_deinit(struct tlsv1_server *conn);
+int tlsv1_server_established(struct tlsv1_server *conn);
+int tlsv1_server_prf(struct tlsv1_server *conn, const char *label,
+		     int server_random_first, u8 *out, size_t out_len);
+u8 * tlsv1_server_handshake(struct tlsv1_server *conn,
+			    const u8 *in_data, size_t in_len, size_t *out_len);
+int tlsv1_server_encrypt(struct tlsv1_server *conn,
+			 const u8 *in_data, size_t in_len,
+			 u8 *out_data, size_t out_len);
+int tlsv1_server_decrypt(struct tlsv1_server *conn,
+			 const u8 *in_data, size_t in_len,
+			 u8 *out_data, size_t out_len);
+int tlsv1_server_get_cipher(struct tlsv1_server *conn, char *buf,
+			    size_t buflen);
+int tlsv1_server_shutdown(struct tlsv1_server *conn);
+int tlsv1_server_resumed(struct tlsv1_server *conn);
+int tlsv1_server_get_keys(struct tlsv1_server *conn, struct tls_keys *keys);
+int tlsv1_server_get_keyblock_size(struct tlsv1_server *conn);
+int tlsv1_server_set_cipher_list(struct tlsv1_server *conn, u8 *ciphers);
+int tlsv1_server_set_verify(struct tlsv1_server *conn, int verify_peer);
+
+typedef int (*tlsv1_server_session_ticket_cb)
+(void *ctx, const u8 *ticket, size_t len, const u8 *client_random,
+ const u8 *server_random, u8 *master_secret);
+
+void tlsv1_server_set_session_ticket_cb(struct tlsv1_server *conn,
+					tlsv1_server_session_ticket_cb cb,
+					void *ctx);
+
+#endif /* TLSV1_SERVER_H */
diff --git a/src/tls/tlsv1_server_i.h b/src/tls/tlsv1_server_i.h
new file mode 100644
index 0000000..d11ea75
--- /dev/null
+++ b/src/tls/tlsv1_server_i.h
@@ -0,0 +1,77 @@
+/*
+ * TLSv1 server - internal structures
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef TLSV1_SERVER_I_H
+#define TLSV1_SERVER_I_H
+
+struct tlsv1_server {
+	enum {
+		CLIENT_HELLO, SERVER_HELLO, SERVER_CERTIFICATE,
+		SERVER_KEY_EXCHANGE, SERVER_CERTIFICATE_REQUEST,
+		SERVER_HELLO_DONE, CLIENT_CERTIFICATE, CLIENT_KEY_EXCHANGE,
+		CERTIFICATE_VERIFY, CHANGE_CIPHER_SPEC, CLIENT_FINISHED,
+		SERVER_CHANGE_CIPHER_SPEC, SERVER_FINISHED,
+		ESTABLISHED, FAILED
+	} state;
+
+	struct tlsv1_record_layer rl;
+
+	u8 session_id[TLS_SESSION_ID_MAX_LEN];
+	size_t session_id_len;
+	u8 client_random[TLS_RANDOM_LEN];
+	u8 server_random[TLS_RANDOM_LEN];
+	u8 master_secret[TLS_MASTER_SECRET_LEN];
+
+	u8 alert_level;
+	u8 alert_description;
+
+	struct crypto_public_key *client_rsa_key;
+
+	struct tls_verify_hash verify;
+
+#define MAX_CIPHER_COUNT 30
+	u16 cipher_suites[MAX_CIPHER_COUNT];
+	size_t num_cipher_suites;
+
+	u16 cipher_suite;
+
+	struct tlsv1_credentials *cred;
+
+	int verify_peer;
+	u16 client_version;
+
+	u8 *session_ticket;
+	size_t session_ticket_len;
+
+	tlsv1_server_session_ticket_cb session_ticket_cb;
+	void *session_ticket_cb_ctx;
+
+	int use_session_ticket;
+
+	u8 *dh_secret;
+	size_t dh_secret_len;
+};
+
+
+void tlsv1_server_alert(struct tlsv1_server *conn, u8 level, u8 description);
+int tlsv1_server_derive_keys(struct tlsv1_server *conn,
+			     const u8 *pre_master_secret,
+			     size_t pre_master_secret_len);
+u8 * tlsv1_server_handshake_write(struct tlsv1_server *conn, size_t *out_len);
+u8 * tlsv1_server_send_alert(struct tlsv1_server *conn, u8 level,
+			     u8 description, size_t *out_len);
+int tlsv1_server_process_handshake(struct tlsv1_server *conn, u8 ct,
+				   const u8 *buf, size_t *len);
+
+#endif /* TLSV1_SERVER_I_H */
diff --git a/src/tls/tlsv1_server_read.c b/src/tls/tlsv1_server_read.c
new file mode 100644
index 0000000..49e811f
--- /dev/null
+++ b/src/tls/tlsv1_server_read.c
@@ -0,0 +1,1134 @@
+/*
+ * TLSv1 server - read handshake message
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/md5.h"
+#include "crypto/sha1.h"
+#include "crypto/tls.h"
+#include "x509v3.h"
+#include "tlsv1_common.h"
+#include "tlsv1_record.h"
+#include "tlsv1_server.h"
+#include "tlsv1_server_i.h"
+
+
+static int tls_process_client_key_exchange(struct tlsv1_server *conn, u8 ct,
+					   const u8 *in_data, size_t *in_len);
+static int tls_process_change_cipher_spec(struct tlsv1_server *conn,
+					  u8 ct, const u8 *in_data,
+					  size_t *in_len);
+
+
+static int tls_process_client_hello(struct tlsv1_server *conn, u8 ct,
+				    const u8 *in_data, size_t *in_len)
+{
+	const u8 *pos, *end, *c;
+	size_t left, len, i, j;
+	u16 cipher_suite;
+	u16 num_suites;
+	int compr_null_found;
+	u16 ext_type, ext_len;
+
+	if (ct != TLS_CONTENT_TYPE_HANDSHAKE) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Expected Handshake; "
+			   "received content type 0x%x", ct);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	pos = in_data;
+	left = *in_len;
+
+	if (left < 4)
+		goto decode_error;
+
+	/* HandshakeType msg_type */
+	if (*pos != TLS_HANDSHAKE_TYPE_CLIENT_HELLO) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Received unexpected handshake "
+			   "message %d (expected ClientHello)", *pos);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+	wpa_printf(MSG_DEBUG, "TLSv1: Received ClientHello");
+	pos++;
+	/* uint24 length */
+	len = WPA_GET_BE24(pos);
+	pos += 3;
+	left -= 4;
+
+	if (len > left)
+		goto decode_error;
+
+	/* body - ClientHello */
+
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: ClientHello", pos, len);
+	end = pos + len;
+
+	/* ProtocolVersion client_version */
+	if (end - pos < 2)
+		goto decode_error;
+	conn->client_version = WPA_GET_BE16(pos);
+	wpa_printf(MSG_DEBUG, "TLSv1: Client version %d.%d",
+		   conn->client_version >> 8, conn->client_version & 0xff);
+	if (conn->client_version < TLS_VERSION) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Unexpected protocol version in "
+			   "ClientHello");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_PROTOCOL_VERSION);
+		return -1;
+	}
+	pos += 2;
+
+	/* Random random */
+	if (end - pos < TLS_RANDOM_LEN)
+		goto decode_error;
+
+	os_memcpy(conn->client_random, pos, TLS_RANDOM_LEN);
+	pos += TLS_RANDOM_LEN;
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: client_random",
+		    conn->client_random, TLS_RANDOM_LEN);
+
+	/* SessionID session_id */
+	if (end - pos < 1)
+		goto decode_error;
+	if (end - pos < 1 + *pos || *pos > TLS_SESSION_ID_MAX_LEN)
+		goto decode_error;
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: client session_id", pos + 1, *pos);
+	pos += 1 + *pos;
+	/* TODO: add support for session resumption */
+
+	/* CipherSuite cipher_suites<2..2^16-1> */
+	if (end - pos < 2)
+		goto decode_error;
+	num_suites = WPA_GET_BE16(pos);
+	pos += 2;
+	if (end - pos < num_suites)
+		goto decode_error;
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: client cipher suites",
+		    pos, num_suites);
+	if (num_suites & 1)
+		goto decode_error;
+	num_suites /= 2;
+
+	cipher_suite = 0;
+	for (i = 0; !cipher_suite && i < conn->num_cipher_suites; i++) {
+		c = pos;
+		for (j = 0; j < num_suites; j++) {
+			u16 tmp = WPA_GET_BE16(c);
+			c += 2;
+			if (!cipher_suite && tmp == conn->cipher_suites[i]) {
+				cipher_suite = tmp;
+				break;
+			}
+		}
+	}
+	pos += num_suites * 2;
+	if (!cipher_suite) {
+		wpa_printf(MSG_INFO, "TLSv1: No supported cipher suite "
+			   "available");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_ILLEGAL_PARAMETER);
+		return -1;
+	}
+
+	if (tlsv1_record_set_cipher_suite(&conn->rl, cipher_suite) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to set CipherSuite for "
+			   "record layer");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	conn->cipher_suite = cipher_suite;
+
+	/* CompressionMethod compression_methods<1..2^8-1> */
+	if (end - pos < 1)
+		goto decode_error;
+	num_suites = *pos++;
+	if (end - pos < num_suites)
+		goto decode_error;
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: client compression_methods",
+		    pos, num_suites);
+	compr_null_found = 0;
+	for (i = 0; i < num_suites; i++) {
+		if (*pos++ == TLS_COMPRESSION_NULL)
+			compr_null_found = 1;
+	}
+	if (!compr_null_found) {
+		wpa_printf(MSG_INFO, "TLSv1: Client does not accept NULL "
+			   "compression");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_ILLEGAL_PARAMETER);
+		return -1;
+	}
+
+	if (end - pos == 1) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Unexpected extra octet in the "
+			    "end of ClientHello: 0x%02x", *pos);
+		goto decode_error;
+	}
+
+	if (end - pos >= 2) {
+		/* Extension client_hello_extension_list<0..2^16-1> */
+		ext_len = WPA_GET_BE16(pos);
+		pos += 2;
+
+		wpa_printf(MSG_DEBUG, "TLSv1: %u bytes of ClientHello "
+			   "extensions", ext_len);
+		if (end - pos != ext_len) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Invalid ClientHello "
+				   "extension list length %u (expected %u)",
+				   ext_len, (unsigned int) (end - pos));
+			goto decode_error;
+		}
+
+		/*
+		 * struct {
+		 *   ExtensionType extension_type (0..65535)
+		 *   opaque extension_data<0..2^16-1>
+		 * } Extension;
+		 */
+
+		while (pos < end) {
+			if (end - pos < 2) {
+				wpa_printf(MSG_DEBUG, "TLSv1: Invalid "
+					   "extension_type field");
+				goto decode_error;
+			}
+
+			ext_type = WPA_GET_BE16(pos);
+			pos += 2;
+
+			if (end - pos < 2) {
+				wpa_printf(MSG_DEBUG, "TLSv1: Invalid "
+					   "extension_data length field");
+				goto decode_error;
+			}
+
+			ext_len = WPA_GET_BE16(pos);
+			pos += 2;
+
+			if (end - pos < ext_len) {
+				wpa_printf(MSG_DEBUG, "TLSv1: Invalid "
+					   "extension_data field");
+				goto decode_error;
+			}
+
+			wpa_printf(MSG_DEBUG, "TLSv1: ClientHello Extension "
+				   "type %u", ext_type);
+			wpa_hexdump(MSG_MSGDUMP, "TLSv1: ClientHello "
+				    "Extension data", pos, ext_len);
+
+			if (ext_type == TLS_EXT_SESSION_TICKET) {
+				os_free(conn->session_ticket);
+				conn->session_ticket = os_malloc(ext_len);
+				if (conn->session_ticket) {
+					os_memcpy(conn->session_ticket, pos,
+						  ext_len);
+					conn->session_ticket_len = ext_len;
+				}
+			}
+
+			pos += ext_len;
+		}
+	}
+
+	*in_len = end - in_data;
+
+	wpa_printf(MSG_DEBUG, "TLSv1: ClientHello OK - proceed to "
+		   "ServerHello");
+	conn->state = SERVER_HELLO;
+
+	return 0;
+
+decode_error:
+	wpa_printf(MSG_DEBUG, "TLSv1: Failed to decode ClientHello");
+	tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+			   TLS_ALERT_DECODE_ERROR);
+	return -1;
+}
+
+
+static int tls_process_certificate(struct tlsv1_server *conn, u8 ct,
+				   const u8 *in_data, size_t *in_len)
+{
+	const u8 *pos, *end;
+	size_t left, len, list_len, cert_len, idx;
+	u8 type;
+	struct x509_certificate *chain = NULL, *last = NULL, *cert;
+	int reason;
+
+	if (ct != TLS_CONTENT_TYPE_HANDSHAKE) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Expected Handshake; "
+			   "received content type 0x%x", ct);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	pos = in_data;
+	left = *in_len;
+
+	if (left < 4) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Too short Certificate message "
+			   "(len=%lu)", (unsigned long) left);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	type = *pos++;
+	len = WPA_GET_BE24(pos);
+	pos += 3;
+	left -= 4;
+
+	if (len > left) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Unexpected Certificate message "
+			   "length (len=%lu != left=%lu)",
+			   (unsigned long) len, (unsigned long) left);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	if (type == TLS_HANDSHAKE_TYPE_CLIENT_KEY_EXCHANGE) {
+		if (conn->verify_peer) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Client did not include "
+				   "Certificate");
+			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+					   TLS_ALERT_UNEXPECTED_MESSAGE);
+			return -1;
+		}
+
+		return tls_process_client_key_exchange(conn, ct, in_data,
+						       in_len);
+	}
+	if (type != TLS_HANDSHAKE_TYPE_CERTIFICATE) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Received unexpected handshake "
+			   "message %d (expected Certificate/"
+			   "ClientKeyExchange)", type);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG,
+		   "TLSv1: Received Certificate (certificate_list len %lu)",
+		   (unsigned long) len);
+
+	/*
+	 * opaque ASN.1Cert<2^24-1>;
+	 *
+	 * struct {
+	 *     ASN.1Cert certificate_list<1..2^24-1>;
+	 * } Certificate;
+	 */
+
+	end = pos + len;
+
+	if (end - pos < 3) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Too short Certificate "
+			   "(left=%lu)", (unsigned long) left);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	list_len = WPA_GET_BE24(pos);
+	pos += 3;
+
+	if ((size_t) (end - pos) != list_len) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Unexpected certificate_list "
+			   "length (len=%lu left=%lu)",
+			   (unsigned long) list_len,
+			   (unsigned long) (end - pos));
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	idx = 0;
+	while (pos < end) {
+		if (end - pos < 3) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Failed to parse "
+				   "certificate_list");
+			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+					   TLS_ALERT_DECODE_ERROR);
+			x509_certificate_chain_free(chain);
+			return -1;
+		}
+
+		cert_len = WPA_GET_BE24(pos);
+		pos += 3;
+
+		if ((size_t) (end - pos) < cert_len) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Unexpected certificate "
+				   "length (len=%lu left=%lu)",
+				   (unsigned long) cert_len,
+				   (unsigned long) (end - pos));
+			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+					   TLS_ALERT_DECODE_ERROR);
+			x509_certificate_chain_free(chain);
+			return -1;
+		}
+
+		wpa_printf(MSG_DEBUG, "TLSv1: Certificate %lu (len %lu)",
+			   (unsigned long) idx, (unsigned long) cert_len);
+
+		if (idx == 0) {
+			crypto_public_key_free(conn->client_rsa_key);
+			if (tls_parse_cert(pos, cert_len,
+					   &conn->client_rsa_key)) {
+				wpa_printf(MSG_DEBUG, "TLSv1: Failed to parse "
+					   "the certificate");
+				tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+						   TLS_ALERT_BAD_CERTIFICATE);
+				x509_certificate_chain_free(chain);
+				return -1;
+			}
+		}
+
+		cert = x509_certificate_parse(pos, cert_len);
+		if (cert == NULL) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Failed to parse "
+				   "the certificate");
+			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+					   TLS_ALERT_BAD_CERTIFICATE);
+			x509_certificate_chain_free(chain);
+			return -1;
+		}
+
+		if (last == NULL)
+			chain = cert;
+		else
+			last->next = cert;
+		last = cert;
+
+		idx++;
+		pos += cert_len;
+	}
+
+	if (x509_certificate_chain_validate(conn->cred->trusted_certs, chain,
+					    &reason) < 0) {
+		int tls_reason;
+		wpa_printf(MSG_DEBUG, "TLSv1: Server certificate chain "
+			   "validation failed (reason=%d)", reason);
+		switch (reason) {
+		case X509_VALIDATE_BAD_CERTIFICATE:
+			tls_reason = TLS_ALERT_BAD_CERTIFICATE;
+			break;
+		case X509_VALIDATE_UNSUPPORTED_CERTIFICATE:
+			tls_reason = TLS_ALERT_UNSUPPORTED_CERTIFICATE;
+			break;
+		case X509_VALIDATE_CERTIFICATE_REVOKED:
+			tls_reason = TLS_ALERT_CERTIFICATE_REVOKED;
+			break;
+		case X509_VALIDATE_CERTIFICATE_EXPIRED:
+			tls_reason = TLS_ALERT_CERTIFICATE_EXPIRED;
+			break;
+		case X509_VALIDATE_CERTIFICATE_UNKNOWN:
+			tls_reason = TLS_ALERT_CERTIFICATE_UNKNOWN;
+			break;
+		case X509_VALIDATE_UNKNOWN_CA:
+			tls_reason = TLS_ALERT_UNKNOWN_CA;
+			break;
+		default:
+			tls_reason = TLS_ALERT_BAD_CERTIFICATE;
+			break;
+		}
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL, tls_reason);
+		x509_certificate_chain_free(chain);
+		return -1;
+	}
+
+	x509_certificate_chain_free(chain);
+
+	*in_len = end - in_data;
+
+	conn->state = CLIENT_KEY_EXCHANGE;
+
+	return 0;
+}
+
+
+static int tls_process_client_key_exchange_rsa(
+	struct tlsv1_server *conn, const u8 *pos, const u8 *end)
+{
+	u8 *out;
+	size_t outlen, outbuflen;
+	u16 encr_len;
+	int res;
+	int use_random = 0;
+
+	if (end - pos < 2) {
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	encr_len = WPA_GET_BE16(pos);
+	pos += 2;
+
+	outbuflen = outlen = end - pos;
+	out = os_malloc(outlen >= TLS_PRE_MASTER_SECRET_LEN ?
+			outlen : TLS_PRE_MASTER_SECRET_LEN);
+	if (out == NULL) {
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	/*
+	 * struct {
+	 *   ProtocolVersion client_version;
+	 *   opaque random[46];
+	 * } PreMasterSecret;
+	 *
+	 * struct {
+	 *   public-key-encrypted PreMasterSecret pre_master_secret;
+	 * } EncryptedPreMasterSecret;
+	 */
+
+	/*
+	 * Note: To avoid Bleichenbacher attack, we do not report decryption or
+	 * parsing errors from EncryptedPreMasterSecret processing to the
+	 * client. Instead, a random pre-master secret is used to force the
+	 * handshake to fail.
+	 */
+
+	if (crypto_private_key_decrypt_pkcs1_v15(conn->cred->key,
+						 pos, end - pos,
+						 out, &outlen) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to decrypt "
+			   "PreMasterSecret (encr_len=%d outlen=%lu)",
+			   (int) (end - pos), (unsigned long) outlen);
+		use_random = 1;
+	}
+
+	if (outlen != TLS_PRE_MASTER_SECRET_LEN) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Unexpected PreMasterSecret "
+			   "length %lu", (unsigned long) outlen);
+		use_random = 1;
+	}
+
+	if (WPA_GET_BE16(out) != conn->client_version) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Client version in "
+			   "ClientKeyExchange does not match with version in "
+			   "ClientHello");
+		use_random = 1;
+	}
+
+	if (use_random) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Using random premaster secret "
+			   "to avoid revealing information about private key");
+		outlen = TLS_PRE_MASTER_SECRET_LEN;
+		if (os_get_random(out, outlen)) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Failed to get random "
+				   "data");
+			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+					   TLS_ALERT_INTERNAL_ERROR);
+			os_free(out);
+			return -1;
+		}
+	}
+
+	res = tlsv1_server_derive_keys(conn, out, outlen);
+
+	/* Clear the pre-master secret since it is not needed anymore */
+	os_memset(out, 0, outbuflen);
+	os_free(out);
+
+	if (res) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to derive keys");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int tls_process_client_key_exchange_dh_anon(
+	struct tlsv1_server *conn, const u8 *pos, const u8 *end)
+{
+	const u8 *dh_yc;
+	u16 dh_yc_len;
+	u8 *shared;
+	size_t shared_len;
+	int res;
+
+	/*
+	 * struct {
+	 *   select (PublicValueEncoding) {
+	 *     case implicit: struct { };
+	 *     case explicit: opaque dh_Yc<1..2^16-1>;
+	 *   } dh_public;
+	 * } ClientDiffieHellmanPublic;
+	 */
+
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: ClientDiffieHellmanPublic",
+		    pos, end - pos);
+
+	if (end == pos) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Implicit public value encoding "
+			   "not supported");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	if (end - pos < 3) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Invalid client public value "
+			   "length");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	dh_yc_len = WPA_GET_BE16(pos);
+	dh_yc = pos + 2;
+
+	if (dh_yc + dh_yc_len > end) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Client public value overflow "
+			   "(length %d)", dh_yc_len);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	wpa_hexdump(MSG_DEBUG, "TLSv1: DH Yc (client's public value)",
+		    dh_yc, dh_yc_len);
+
+	if (conn->cred == NULL || conn->cred->dh_p == NULL ||
+	    conn->dh_secret == NULL) {
+		wpa_printf(MSG_DEBUG, "TLSv1: No DH parameters available");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	shared_len = conn->cred->dh_p_len;
+	shared = os_malloc(shared_len);
+	if (shared == NULL) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Could not allocate memory for "
+			   "DH");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	/* shared = Yc^secret mod p */
+	if (crypto_mod_exp(dh_yc, dh_yc_len, conn->dh_secret,
+			   conn->dh_secret_len,
+			   conn->cred->dh_p, conn->cred->dh_p_len,
+			   shared, &shared_len)) {
+		os_free(shared);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	wpa_hexdump_key(MSG_DEBUG, "TLSv1: Shared secret from DH key exchange",
+			shared, shared_len);
+
+	os_memset(conn->dh_secret, 0, conn->dh_secret_len);
+	os_free(conn->dh_secret);
+	conn->dh_secret = NULL;
+
+	res = tlsv1_server_derive_keys(conn, shared, shared_len);
+
+	/* Clear the pre-master secret since it is not needed anymore */
+	os_memset(shared, 0, shared_len);
+	os_free(shared);
+
+	if (res) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to derive keys");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int tls_process_client_key_exchange(struct tlsv1_server *conn, u8 ct,
+					   const u8 *in_data, size_t *in_len)
+{
+	const u8 *pos, *end;
+	size_t left, len;
+	u8 type;
+	tls_key_exchange keyx;
+	const struct tls_cipher_suite *suite;
+
+	if (ct != TLS_CONTENT_TYPE_HANDSHAKE) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Expected Handshake; "
+			   "received content type 0x%x", ct);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	pos = in_data;
+	left = *in_len;
+
+	if (left < 4) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Too short ClientKeyExchange "
+			   "(Left=%lu)", (unsigned long) left);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	type = *pos++;
+	len = WPA_GET_BE24(pos);
+	pos += 3;
+	left -= 4;
+
+	if (len > left) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Mismatch in ClientKeyExchange "
+			   "length (len=%lu != left=%lu)",
+			   (unsigned long) len, (unsigned long) left);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	end = pos + len;
+
+	if (type != TLS_HANDSHAKE_TYPE_CLIENT_KEY_EXCHANGE) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Received unexpected handshake "
+			   "message %d (expected ClientKeyExchange)", type);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Received ClientKeyExchange");
+
+	wpa_hexdump(MSG_DEBUG, "TLSv1: ClientKeyExchange", pos, len);
+
+	suite = tls_get_cipher_suite(conn->rl.cipher_suite);
+	if (suite == NULL)
+		keyx = TLS_KEY_X_NULL;
+	else
+		keyx = suite->key_exchange;
+
+	if (keyx == TLS_KEY_X_DH_anon &&
+	    tls_process_client_key_exchange_dh_anon(conn, pos, end) < 0)
+		return -1;
+
+	if (keyx != TLS_KEY_X_DH_anon &&
+	    tls_process_client_key_exchange_rsa(conn, pos, end) < 0)
+		return -1;
+
+	*in_len = end - in_data;
+
+	conn->state = CERTIFICATE_VERIFY;
+
+	return 0;
+}
+
+
+static int tls_process_certificate_verify(struct tlsv1_server *conn, u8 ct,
+					  const u8 *in_data, size_t *in_len)
+{
+	const u8 *pos, *end;
+	size_t left, len;
+	u8 type;
+	size_t hlen, buflen;
+	u8 hash[MD5_MAC_LEN + SHA1_MAC_LEN], *hpos, *buf;
+	enum { SIGN_ALG_RSA, SIGN_ALG_DSA } alg = SIGN_ALG_RSA;
+	u16 slen;
+
+	if (ct == TLS_CONTENT_TYPE_CHANGE_CIPHER_SPEC) {
+		if (conn->verify_peer) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Client did not include "
+				   "CertificateVerify");
+			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+					   TLS_ALERT_UNEXPECTED_MESSAGE);
+			return -1;
+		}
+
+		return tls_process_change_cipher_spec(conn, ct, in_data,
+						      in_len);
+	}
+
+	if (ct != TLS_CONTENT_TYPE_HANDSHAKE) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Expected Handshake; "
+			   "received content type 0x%x", ct);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	pos = in_data;
+	left = *in_len;
+
+	if (left < 4) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Too short CertificateVerify "
+			   "message (len=%lu)", (unsigned long) left);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	type = *pos++;
+	len = WPA_GET_BE24(pos);
+	pos += 3;
+	left -= 4;
+
+	if (len > left) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Unexpected CertificateVerify "
+			   "message length (len=%lu != left=%lu)",
+			   (unsigned long) len, (unsigned long) left);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	end = pos + len;
+
+	if (type != TLS_HANDSHAKE_TYPE_CERTIFICATE_VERIFY) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Received unexpected handshake "
+			   "message %d (expected CertificateVerify)", type);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Received CertificateVerify");
+
+	/*
+	 * struct {
+	 *   Signature signature;
+	 * } CertificateVerify;
+	 */
+
+	hpos = hash;
+
+	if (alg == SIGN_ALG_RSA) {
+		hlen = MD5_MAC_LEN;
+		if (conn->verify.md5_cert == NULL ||
+		    crypto_hash_finish(conn->verify.md5_cert, hpos, &hlen) < 0)
+		{
+			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+					   TLS_ALERT_INTERNAL_ERROR);
+			conn->verify.md5_cert = NULL;
+			crypto_hash_finish(conn->verify.sha1_cert, NULL, NULL);
+			conn->verify.sha1_cert = NULL;
+			return -1;
+		}
+		hpos += MD5_MAC_LEN;
+	} else
+		crypto_hash_finish(conn->verify.md5_cert, NULL, NULL);
+
+	conn->verify.md5_cert = NULL;
+	hlen = SHA1_MAC_LEN;
+	if (conn->verify.sha1_cert == NULL ||
+	    crypto_hash_finish(conn->verify.sha1_cert, hpos, &hlen) < 0) {
+		conn->verify.sha1_cert = NULL;
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	conn->verify.sha1_cert = NULL;
+
+	if (alg == SIGN_ALG_RSA)
+		hlen += MD5_MAC_LEN;
+
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: CertificateVerify hash", hash, hlen);
+
+	if (end - pos < 2) {
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+	slen = WPA_GET_BE16(pos);
+	pos += 2;
+	if (end - pos < slen) {
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: Signature", pos, end - pos);
+	if (conn->client_rsa_key == NULL) {
+		wpa_printf(MSG_DEBUG, "TLSv1: No client public key to verify "
+			   "signature");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	buflen = end - pos;
+	buf = os_malloc(end - pos);
+	if (crypto_public_key_decrypt_pkcs1(conn->client_rsa_key,
+					    pos, end - pos, buf, &buflen) < 0)
+	{
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to decrypt signature");
+		os_free(buf);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECRYPT_ERROR);
+		return -1;
+	}
+
+	wpa_hexdump_key(MSG_MSGDUMP, "TLSv1: Decrypted Signature",
+			buf, buflen);
+
+	if (buflen != hlen || os_memcmp(buf, hash, buflen) != 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Invalid Signature in "
+			   "CertificateVerify - did not match with calculated "
+			   "hash");
+		os_free(buf);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECRYPT_ERROR);
+		return -1;
+	}
+
+	os_free(buf);
+
+	*in_len = end - in_data;
+
+	conn->state = CHANGE_CIPHER_SPEC;
+
+	return 0;
+}
+
+
+static int tls_process_change_cipher_spec(struct tlsv1_server *conn,
+					  u8 ct, const u8 *in_data,
+					  size_t *in_len)
+{
+	const u8 *pos;
+	size_t left;
+
+	if (ct != TLS_CONTENT_TYPE_CHANGE_CIPHER_SPEC) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Expected ChangeCipherSpec; "
+			   "received content type 0x%x", ct);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	pos = in_data;
+	left = *in_len;
+
+	if (left < 1) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Too short ChangeCipherSpec");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	if (*pos != TLS_CHANGE_CIPHER_SPEC) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Expected ChangeCipherSpec; "
+			   "received data 0x%x", *pos);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Received ChangeCipherSpec");
+	if (tlsv1_record_change_read_cipher(&conn->rl) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to change read cipher "
+			   "for record layer");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	*in_len = pos + 1 - in_data;
+
+	conn->state = CLIENT_FINISHED;
+
+	return 0;
+}
+
+
+static int tls_process_client_finished(struct tlsv1_server *conn, u8 ct,
+				       const u8 *in_data, size_t *in_len)
+{
+	const u8 *pos, *end;
+	size_t left, len, hlen;
+	u8 verify_data[TLS_VERIFY_DATA_LEN];
+	u8 hash[MD5_MAC_LEN + SHA1_MAC_LEN];
+
+	if (ct != TLS_CONTENT_TYPE_HANDSHAKE) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Expected Finished; "
+			   "received content type 0x%x", ct);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	pos = in_data;
+	left = *in_len;
+
+	if (left < 4) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Too short record (left=%lu) for "
+			   "Finished",
+			   (unsigned long) left);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+
+	if (pos[0] != TLS_HANDSHAKE_TYPE_FINISHED) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Expected Finished; received "
+			   "type 0x%x", pos[0]);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_UNEXPECTED_MESSAGE);
+		return -1;
+	}
+
+	len = WPA_GET_BE24(pos + 1);
+
+	pos += 4;
+	left -= 4;
+
+	if (len > left) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Too short buffer for Finished "
+			   "(len=%lu > left=%lu)",
+			   (unsigned long) len, (unsigned long) left);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+	end = pos + len;
+	if (len != TLS_VERIFY_DATA_LEN) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Unexpected verify_data length "
+			   "in Finished: %lu (expected %d)",
+			   (unsigned long) len, TLS_VERIFY_DATA_LEN);
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECODE_ERROR);
+		return -1;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: verify_data in Finished",
+		    pos, TLS_VERIFY_DATA_LEN);
+
+	hlen = MD5_MAC_LEN;
+	if (conn->verify.md5_client == NULL ||
+	    crypto_hash_finish(conn->verify.md5_client, hash, &hlen) < 0) {
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		conn->verify.md5_client = NULL;
+		crypto_hash_finish(conn->verify.sha1_client, NULL, NULL);
+		conn->verify.sha1_client = NULL;
+		return -1;
+	}
+	conn->verify.md5_client = NULL;
+	hlen = SHA1_MAC_LEN;
+	if (conn->verify.sha1_client == NULL ||
+	    crypto_hash_finish(conn->verify.sha1_client, hash + MD5_MAC_LEN,
+			       &hlen) < 0) {
+		conn->verify.sha1_client = NULL;
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	conn->verify.sha1_client = NULL;
+
+	if (tls_prf(conn->master_secret, TLS_MASTER_SECRET_LEN,
+		    "client finished", hash, MD5_MAC_LEN + SHA1_MAC_LEN,
+		    verify_data, TLS_VERIFY_DATA_LEN)) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to derive verify_data");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_DECRYPT_ERROR);
+		return -1;
+	}
+	wpa_hexdump_key(MSG_DEBUG, "TLSv1: verify_data (client)",
+			verify_data, TLS_VERIFY_DATA_LEN);
+
+	if (os_memcmp(pos, verify_data, TLS_VERIFY_DATA_LEN) != 0) {
+		wpa_printf(MSG_INFO, "TLSv1: Mismatch in verify_data");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Received Finished");
+
+	*in_len = end - in_data;
+
+	if (conn->use_session_ticket) {
+		/* Abbreviated handshake using session ticket; RFC 4507 */
+		wpa_printf(MSG_DEBUG, "TLSv1: Abbreviated handshake completed "
+			   "successfully");
+		conn->state = ESTABLISHED;
+	} else {
+		/* Full handshake */
+		conn->state = SERVER_CHANGE_CIPHER_SPEC;
+	}
+
+	return 0;
+}
+
+
+int tlsv1_server_process_handshake(struct tlsv1_server *conn, u8 ct,
+				   const u8 *buf, size_t *len)
+{
+	if (ct == TLS_CONTENT_TYPE_ALERT) {
+		if (*len < 2) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Alert underflow");
+			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+					   TLS_ALERT_DECODE_ERROR);
+			return -1;
+		}
+		wpa_printf(MSG_DEBUG, "TLSv1: Received alert %d:%d",
+			   buf[0], buf[1]);
+		*len = 2;
+		conn->state = FAILED;
+		return -1;
+	}
+
+	switch (conn->state) {
+	case CLIENT_HELLO:
+		if (tls_process_client_hello(conn, ct, buf, len))
+			return -1;
+		break;
+	case CLIENT_CERTIFICATE:
+		if (tls_process_certificate(conn, ct, buf, len))
+			return -1;
+		break;
+	case CLIENT_KEY_EXCHANGE:
+		if (tls_process_client_key_exchange(conn, ct, buf, len))
+			return -1;
+		break;
+	case CERTIFICATE_VERIFY:
+		if (tls_process_certificate_verify(conn, ct, buf, len))
+			return -1;
+		break;
+	case CHANGE_CIPHER_SPEC:
+		if (tls_process_change_cipher_spec(conn, ct, buf, len))
+			return -1;
+		break;
+	case CLIENT_FINISHED:
+		if (tls_process_client_finished(conn, ct, buf, len))
+			return -1;
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "TLSv1: Unexpected state %d "
+			   "while processing received message",
+			   conn->state);
+		return -1;
+	}
+
+	if (ct == TLS_CONTENT_TYPE_HANDSHAKE)
+		tls_verify_hash_add(&conn->verify, buf, *len);
+
+	return 0;
+}
diff --git a/src/tls/tlsv1_server_write.c b/src/tls/tlsv1_server_write.c
new file mode 100644
index 0000000..e89e52e
--- /dev/null
+++ b/src/tls/tlsv1_server_write.c
@@ -0,0 +1,791 @@
+/*
+ * TLSv1 server - write handshake message
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/md5.h"
+#include "crypto/sha1.h"
+#include "crypto/tls.h"
+#include "crypto/random.h"
+#include "x509v3.h"
+#include "tlsv1_common.h"
+#include "tlsv1_record.h"
+#include "tlsv1_server.h"
+#include "tlsv1_server_i.h"
+
+
+static size_t tls_server_cert_chain_der_len(struct tlsv1_server *conn)
+{
+	size_t len = 0;
+	struct x509_certificate *cert;
+
+	cert = conn->cred->cert;
+	while (cert) {
+		len += 3 + cert->cert_len;
+		if (x509_certificate_self_signed(cert))
+			break;
+		cert = x509_certificate_get_subject(conn->cred->trusted_certs,
+						    &cert->issuer);
+	}
+
+	return len;
+}
+
+
+static int tls_write_server_hello(struct tlsv1_server *conn,
+				  u8 **msgpos, u8 *end)
+{
+	u8 *pos, *rhdr, *hs_start, *hs_length;
+	struct os_time now;
+	size_t rlen;
+
+	pos = *msgpos;
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Send ServerHello");
+	rhdr = pos;
+	pos += TLS_RECORD_HEADER_LEN;
+
+	os_get_time(&now);
+	WPA_PUT_BE32(conn->server_random, now.sec);
+	if (random_get_bytes(conn->server_random + 4, TLS_RANDOM_LEN - 4)) {
+		wpa_printf(MSG_ERROR, "TLSv1: Could not generate "
+			   "server_random");
+		return -1;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: server_random",
+		    conn->server_random, TLS_RANDOM_LEN);
+
+	conn->session_id_len = TLS_SESSION_ID_MAX_LEN;
+	if (random_get_bytes(conn->session_id, conn->session_id_len)) {
+		wpa_printf(MSG_ERROR, "TLSv1: Could not generate "
+			   "session_id");
+		return -1;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "TLSv1: session_id",
+		    conn->session_id, conn->session_id_len);
+
+	/* opaque fragment[TLSPlaintext.length] */
+
+	/* Handshake */
+	hs_start = pos;
+	/* HandshakeType msg_type */
+	*pos++ = TLS_HANDSHAKE_TYPE_SERVER_HELLO;
+	/* uint24 length (to be filled) */
+	hs_length = pos;
+	pos += 3;
+	/* body - ServerHello */
+	/* ProtocolVersion server_version */
+	WPA_PUT_BE16(pos, TLS_VERSION);
+	pos += 2;
+	/* Random random: uint32 gmt_unix_time, opaque random_bytes */
+	os_memcpy(pos, conn->server_random, TLS_RANDOM_LEN);
+	pos += TLS_RANDOM_LEN;
+	/* SessionID session_id */
+	*pos++ = conn->session_id_len;
+	os_memcpy(pos, conn->session_id, conn->session_id_len);
+	pos += conn->session_id_len;
+	/* CipherSuite cipher_suite */
+	WPA_PUT_BE16(pos, conn->cipher_suite);
+	pos += 2;
+	/* CompressionMethod compression_method */
+	*pos++ = TLS_COMPRESSION_NULL;
+
+	if (conn->session_ticket && conn->session_ticket_cb) {
+		int res = conn->session_ticket_cb(
+			conn->session_ticket_cb_ctx,
+			conn->session_ticket, conn->session_ticket_len,
+			conn->client_random, conn->server_random,
+			conn->master_secret);
+		if (res < 0) {
+			wpa_printf(MSG_DEBUG, "TLSv1: SessionTicket callback "
+				   "indicated failure");
+			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+					   TLS_ALERT_HANDSHAKE_FAILURE);
+			return -1;
+		}
+		conn->use_session_ticket = res;
+
+		if (conn->use_session_ticket) {
+			if (tlsv1_server_derive_keys(conn, NULL, 0) < 0) {
+				wpa_printf(MSG_DEBUG, "TLSv1: Failed to "
+					   "derive keys");
+				tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+						   TLS_ALERT_INTERNAL_ERROR);
+				return -1;
+			}
+		}
+
+		/*
+		 * RFC 4507 specifies that server would include an empty
+		 * SessionTicket extension in ServerHello and a
+		 * NewSessionTicket message after the ServerHello. However,
+		 * EAP-FAST (RFC 4851), i.e., the only user of SessionTicket
+		 * extension at the moment, does not use such extensions.
+		 *
+		 * TODO: Add support for configuring RFC 4507 behavior and make
+		 * EAP-FAST disable it.
+		 */
+	}
+
+	WPA_PUT_BE24(hs_length, pos - hs_length - 3);
+	tls_verify_hash_add(&conn->verify, hs_start, pos - hs_start);
+
+	if (tlsv1_record_send(&conn->rl, TLS_CONTENT_TYPE_HANDSHAKE,
+			      rhdr, end - rhdr, pos - hs_start, &rlen) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to create TLS record");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	pos = rhdr + rlen;
+
+	*msgpos = pos;
+
+	return 0;
+}
+
+
+static int tls_write_server_certificate(struct tlsv1_server *conn,
+					u8 **msgpos, u8 *end)
+{
+	u8 *pos, *rhdr, *hs_start, *hs_length, *cert_start;
+	size_t rlen;
+	struct x509_certificate *cert;
+	const struct tls_cipher_suite *suite;
+
+	suite = tls_get_cipher_suite(conn->rl.cipher_suite);
+	if (suite && suite->key_exchange == TLS_KEY_X_DH_anon) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Do not send Certificate when "
+			   "using anonymous DH");
+		return 0;
+	}
+
+	pos = *msgpos;
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Send Certificate");
+	rhdr = pos;
+	pos += TLS_RECORD_HEADER_LEN;
+
+	/* opaque fragment[TLSPlaintext.length] */
+
+	/* Handshake */
+	hs_start = pos;
+	/* HandshakeType msg_type */
+	*pos++ = TLS_HANDSHAKE_TYPE_CERTIFICATE;
+	/* uint24 length (to be filled) */
+	hs_length = pos;
+	pos += 3;
+	/* body - Certificate */
+	/* uint24 length (to be filled) */
+	cert_start = pos;
+	pos += 3;
+	cert = conn->cred->cert;
+	while (cert) {
+		if (pos + 3 + cert->cert_len > end) {
+			wpa_printf(MSG_DEBUG, "TLSv1: Not enough buffer space "
+				   "for Certificate (cert_len=%lu left=%lu)",
+				   (unsigned long) cert->cert_len,
+				   (unsigned long) (end - pos));
+			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+					   TLS_ALERT_INTERNAL_ERROR);
+			return -1;
+		}
+		WPA_PUT_BE24(pos, cert->cert_len);
+		pos += 3;
+		os_memcpy(pos, cert->cert_start, cert->cert_len);
+		pos += cert->cert_len;
+
+		if (x509_certificate_self_signed(cert))
+			break;
+		cert = x509_certificate_get_subject(conn->cred->trusted_certs,
+						    &cert->issuer);
+	}
+	if (cert == conn->cred->cert || cert == NULL) {
+		/*
+		 * Server was not configured with all the needed certificates
+		 * to form a full certificate chain. The client may fail to
+		 * validate the chain unless it is configured with all the
+		 * missing CA certificates.
+		 */
+		wpa_printf(MSG_DEBUG, "TLSv1: Full server certificate chain "
+			   "not configured - validation may fail");
+	}
+	WPA_PUT_BE24(cert_start, pos - cert_start - 3);
+
+	WPA_PUT_BE24(hs_length, pos - hs_length - 3);
+
+	if (tlsv1_record_send(&conn->rl, TLS_CONTENT_TYPE_HANDSHAKE,
+			      rhdr, end - rhdr, pos - hs_start, &rlen) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to generate a record");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	pos = rhdr + rlen;
+
+	tls_verify_hash_add(&conn->verify, hs_start, pos - hs_start);
+
+	*msgpos = pos;
+
+	return 0;
+}
+
+
+static int tls_write_server_key_exchange(struct tlsv1_server *conn,
+					 u8 **msgpos, u8 *end)
+{
+	tls_key_exchange keyx;
+	const struct tls_cipher_suite *suite;
+	u8 *pos, *rhdr, *hs_start, *hs_length;
+	size_t rlen;
+	u8 *dh_ys;
+	size_t dh_ys_len;
+
+	suite = tls_get_cipher_suite(conn->rl.cipher_suite);
+	if (suite == NULL)
+		keyx = TLS_KEY_X_NULL;
+	else
+		keyx = suite->key_exchange;
+
+	if (!tls_server_key_exchange_allowed(conn->rl.cipher_suite)) {
+		wpa_printf(MSG_DEBUG, "TLSv1: No ServerKeyExchange needed");
+		return 0;
+	}
+
+	if (keyx != TLS_KEY_X_DH_anon) {
+		/* TODO? */
+		wpa_printf(MSG_DEBUG, "TLSv1: ServerKeyExchange not yet "
+			   "supported with key exchange type %d", keyx);
+		return -1;
+	}
+
+	if (conn->cred == NULL || conn->cred->dh_p == NULL ||
+	    conn->cred->dh_g == NULL) {
+		wpa_printf(MSG_DEBUG, "TLSv1: No DH parameters available for "
+			   "ServerKeyExhcange");
+		return -1;
+	}
+
+	os_free(conn->dh_secret);
+	conn->dh_secret_len = conn->cred->dh_p_len;
+	conn->dh_secret = os_malloc(conn->dh_secret_len);
+	if (conn->dh_secret == NULL) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to allocate "
+			   "memory for secret (Diffie-Hellman)");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	if (random_get_bytes(conn->dh_secret, conn->dh_secret_len)) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to get random "
+			   "data for Diffie-Hellman");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		os_free(conn->dh_secret);
+		conn->dh_secret = NULL;
+		return -1;
+	}
+
+	if (os_memcmp(conn->dh_secret, conn->cred->dh_p, conn->dh_secret_len) >
+	    0)
+		conn->dh_secret[0] = 0; /* make sure secret < p */
+
+	pos = conn->dh_secret;
+	while (pos + 1 < conn->dh_secret + conn->dh_secret_len && *pos == 0)
+		pos++;
+	if (pos != conn->dh_secret) {
+		os_memmove(conn->dh_secret, pos,
+			   conn->dh_secret_len - (pos - conn->dh_secret));
+		conn->dh_secret_len -= pos - conn->dh_secret;
+	}
+	wpa_hexdump_key(MSG_DEBUG, "TLSv1: DH server's secret value",
+			conn->dh_secret, conn->dh_secret_len);
+
+	/* Ys = g^secret mod p */
+	dh_ys_len = conn->cred->dh_p_len;
+	dh_ys = os_malloc(dh_ys_len);
+	if (dh_ys == NULL) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to allocate memory for "
+			   "Diffie-Hellman");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	if (crypto_mod_exp(conn->cred->dh_g, conn->cred->dh_g_len,
+			   conn->dh_secret, conn->dh_secret_len,
+			   conn->cred->dh_p, conn->cred->dh_p_len,
+			   dh_ys, &dh_ys_len)) {
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		os_free(dh_ys);
+		return -1;
+	}
+
+	wpa_hexdump(MSG_DEBUG, "TLSv1: DH Ys (server's public value)",
+		    dh_ys, dh_ys_len);
+
+	/*
+	 * struct {
+	 *    select (KeyExchangeAlgorithm) {
+	 *       case diffie_hellman:
+	 *          ServerDHParams params;
+	 *          Signature signed_params;
+	 *       case rsa:
+	 *          ServerRSAParams params;
+	 *          Signature signed_params;
+	 *    };
+	 * } ServerKeyExchange;
+	 *
+	 * struct {
+	 *    opaque dh_p<1..2^16-1>;
+	 *    opaque dh_g<1..2^16-1>;
+	 *    opaque dh_Ys<1..2^16-1>;
+	 * } ServerDHParams;
+	 */
+
+	pos = *msgpos;
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Send ServerKeyExchange");
+	rhdr = pos;
+	pos += TLS_RECORD_HEADER_LEN;
+
+	/* opaque fragment[TLSPlaintext.length] */
+
+	/* Handshake */
+	hs_start = pos;
+	/* HandshakeType msg_type */
+	*pos++ = TLS_HANDSHAKE_TYPE_SERVER_KEY_EXCHANGE;
+	/* uint24 length (to be filled) */
+	hs_length = pos;
+	pos += 3;
+
+	/* body - ServerDHParams */
+	/* dh_p */
+	if (pos + 2 + conn->cred->dh_p_len > end) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Not enough buffer space for "
+			   "dh_p");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		os_free(dh_ys);
+		return -1;
+	}
+	WPA_PUT_BE16(pos, conn->cred->dh_p_len);
+	pos += 2;
+	os_memcpy(pos, conn->cred->dh_p, conn->cred->dh_p_len);
+	pos += conn->cred->dh_p_len;
+
+	/* dh_g */
+	if (pos + 2 + conn->cred->dh_g_len > end) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Not enough buffer space for "
+			   "dh_g");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		os_free(dh_ys);
+		return -1;
+	}
+	WPA_PUT_BE16(pos, conn->cred->dh_g_len);
+	pos += 2;
+	os_memcpy(pos, conn->cred->dh_g, conn->cred->dh_g_len);
+	pos += conn->cred->dh_g_len;
+
+	/* dh_Ys */
+	if (pos + 2 + dh_ys_len > end) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Not enough buffer space for "
+			   "dh_Ys");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		os_free(dh_ys);
+		return -1;
+	}
+	WPA_PUT_BE16(pos, dh_ys_len);
+	pos += 2;
+	os_memcpy(pos, dh_ys, dh_ys_len);
+	pos += dh_ys_len;
+	os_free(dh_ys);
+
+	WPA_PUT_BE24(hs_length, pos - hs_length - 3);
+
+	if (tlsv1_record_send(&conn->rl, TLS_CONTENT_TYPE_HANDSHAKE,
+			      rhdr, end - rhdr, pos - hs_start, &rlen) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to generate a record");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	pos = rhdr + rlen;
+
+	tls_verify_hash_add(&conn->verify, hs_start, pos - hs_start);
+
+	*msgpos = pos;
+
+	return 0;
+}
+
+
+static int tls_write_server_certificate_request(struct tlsv1_server *conn,
+						u8 **msgpos, u8 *end)
+{
+	u8 *pos, *rhdr, *hs_start, *hs_length;
+	size_t rlen;
+
+	if (!conn->verify_peer) {
+		wpa_printf(MSG_DEBUG, "TLSv1: No CertificateRequest needed");
+		return 0;
+	}
+
+	pos = *msgpos;
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Send CertificateRequest");
+	rhdr = pos;
+	pos += TLS_RECORD_HEADER_LEN;
+
+	/* opaque fragment[TLSPlaintext.length] */
+
+	/* Handshake */
+	hs_start = pos;
+	/* HandshakeType msg_type */
+	*pos++ = TLS_HANDSHAKE_TYPE_CERTIFICATE_REQUEST;
+	/* uint24 length (to be filled) */
+	hs_length = pos;
+	pos += 3;
+	/* body - CertificateRequest */
+
+	/*
+	 * enum {
+	 *   rsa_sign(1), dss_sign(2), rsa_fixed_dh(3), dss_fixed_dh(4),
+	 *   (255)
+	 * } ClientCertificateType;
+	 * ClientCertificateType certificate_types<1..2^8-1>
+	 */
+	*pos++ = 1;
+	*pos++ = 1; /* rsa_sign */
+
+	/*
+	 * opaque DistinguishedName<1..2^16-1>
+	 * DistinguishedName certificate_authorities<3..2^16-1>
+	 */
+	/* TODO: add support for listing DNs for trusted CAs */
+	WPA_PUT_BE16(pos, 0);
+	pos += 2;
+
+	WPA_PUT_BE24(hs_length, pos - hs_length - 3);
+
+	if (tlsv1_record_send(&conn->rl, TLS_CONTENT_TYPE_HANDSHAKE,
+			      rhdr, end - rhdr, pos - hs_start, &rlen) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to generate a record");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	pos = rhdr + rlen;
+
+	tls_verify_hash_add(&conn->verify, hs_start, pos - hs_start);
+
+	*msgpos = pos;
+
+	return 0;
+}
+
+
+static int tls_write_server_hello_done(struct tlsv1_server *conn,
+				       u8 **msgpos, u8 *end)
+{
+	u8 *pos, *rhdr, *hs_start, *hs_length;
+	size_t rlen;
+
+	pos = *msgpos;
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Send ServerHelloDone");
+	rhdr = pos;
+	pos += TLS_RECORD_HEADER_LEN;
+
+	/* opaque fragment[TLSPlaintext.length] */
+
+	/* Handshake */
+	hs_start = pos;
+	/* HandshakeType msg_type */
+	*pos++ = TLS_HANDSHAKE_TYPE_SERVER_HELLO_DONE;
+	/* uint24 length (to be filled) */
+	hs_length = pos;
+	pos += 3;
+	/* body - ServerHelloDone (empty) */
+
+	WPA_PUT_BE24(hs_length, pos - hs_length - 3);
+
+	if (tlsv1_record_send(&conn->rl, TLS_CONTENT_TYPE_HANDSHAKE,
+			      rhdr, end - rhdr, pos - hs_start, &rlen) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to generate a record");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	pos = rhdr + rlen;
+
+	tls_verify_hash_add(&conn->verify, hs_start, pos - hs_start);
+
+	*msgpos = pos;
+
+	return 0;
+}
+
+
+static int tls_write_server_change_cipher_spec(struct tlsv1_server *conn,
+					       u8 **msgpos, u8 *end)
+{
+	u8 *pos, *rhdr;
+	size_t rlen;
+
+	pos = *msgpos;
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Send ChangeCipherSpec");
+	rhdr = pos;
+	pos += TLS_RECORD_HEADER_LEN;
+	*pos = TLS_CHANGE_CIPHER_SPEC;
+	if (tlsv1_record_send(&conn->rl, TLS_CONTENT_TYPE_CHANGE_CIPHER_SPEC,
+			      rhdr, end - rhdr, 1, &rlen) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to create a record");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	if (tlsv1_record_change_write_cipher(&conn->rl) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to set write cipher for "
+			   "record layer");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	*msgpos = rhdr + rlen;
+
+	return 0;
+}
+
+
+static int tls_write_server_finished(struct tlsv1_server *conn,
+				     u8 **msgpos, u8 *end)
+{
+	u8 *pos, *rhdr, *hs_start, *hs_length;
+	size_t rlen, hlen;
+	u8 verify_data[TLS_VERIFY_DATA_LEN];
+	u8 hash[MD5_MAC_LEN + SHA1_MAC_LEN];
+
+	pos = *msgpos;
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Send Finished");
+
+	/* Encrypted Handshake Message: Finished */
+
+	hlen = MD5_MAC_LEN;
+	if (conn->verify.md5_server == NULL ||
+	    crypto_hash_finish(conn->verify.md5_server, hash, &hlen) < 0) {
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		conn->verify.md5_server = NULL;
+		crypto_hash_finish(conn->verify.sha1_server, NULL, NULL);
+		conn->verify.sha1_server = NULL;
+		return -1;
+	}
+	conn->verify.md5_server = NULL;
+	hlen = SHA1_MAC_LEN;
+	if (conn->verify.sha1_server == NULL ||
+	    crypto_hash_finish(conn->verify.sha1_server, hash + MD5_MAC_LEN,
+			       &hlen) < 0) {
+		conn->verify.sha1_server = NULL;
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	conn->verify.sha1_server = NULL;
+
+	if (tls_prf(conn->master_secret, TLS_MASTER_SECRET_LEN,
+		    "server finished", hash, MD5_MAC_LEN + SHA1_MAC_LEN,
+		    verify_data, TLS_VERIFY_DATA_LEN)) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to generate verify_data");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+	wpa_hexdump_key(MSG_DEBUG, "TLSv1: verify_data (server)",
+			verify_data, TLS_VERIFY_DATA_LEN);
+
+	rhdr = pos;
+	pos += TLS_RECORD_HEADER_LEN;
+	/* Handshake */
+	hs_start = pos;
+	/* HandshakeType msg_type */
+	*pos++ = TLS_HANDSHAKE_TYPE_FINISHED;
+	/* uint24 length (to be filled) */
+	hs_length = pos;
+	pos += 3;
+	os_memcpy(pos, verify_data, TLS_VERIFY_DATA_LEN);
+	pos += TLS_VERIFY_DATA_LEN;
+	WPA_PUT_BE24(hs_length, pos - hs_length - 3);
+	tls_verify_hash_add(&conn->verify, hs_start, pos - hs_start);
+
+	if (tlsv1_record_send(&conn->rl, TLS_CONTENT_TYPE_HANDSHAKE,
+			      rhdr, end - rhdr, pos - hs_start, &rlen) < 0) {
+		wpa_printf(MSG_DEBUG, "TLSv1: Failed to create a record");
+		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+				   TLS_ALERT_INTERNAL_ERROR);
+		return -1;
+	}
+
+	pos = rhdr + rlen;
+
+	*msgpos = pos;
+
+	return 0;
+}
+
+
+static u8 * tls_send_server_hello(struct tlsv1_server *conn, size_t *out_len)
+{
+	u8 *msg, *end, *pos;
+	size_t msglen;
+
+	*out_len = 0;
+
+	msglen = 1000 + tls_server_cert_chain_der_len(conn);
+
+	msg = os_malloc(msglen);
+	if (msg == NULL)
+		return NULL;
+
+	pos = msg;
+	end = msg + msglen;
+
+	if (tls_write_server_hello(conn, &pos, end) < 0) {
+		os_free(msg);
+		return NULL;
+	}
+
+	if (conn->use_session_ticket) {
+		/* Abbreviated handshake using session ticket; RFC 4507 */
+		if (tls_write_server_change_cipher_spec(conn, &pos, end) < 0 ||
+		    tls_write_server_finished(conn, &pos, end) < 0) {
+			os_free(msg);
+			return NULL;
+		}
+
+		*out_len = pos - msg;
+
+		conn->state = CHANGE_CIPHER_SPEC;
+
+		return msg;
+	}
+
+	/* Full handshake */
+	if (tls_write_server_certificate(conn, &pos, end) < 0 ||
+	    tls_write_server_key_exchange(conn, &pos, end) < 0 ||
+	    tls_write_server_certificate_request(conn, &pos, end) < 0 ||
+	    tls_write_server_hello_done(conn, &pos, end) < 0) {
+		os_free(msg);
+		return NULL;
+	}
+
+	*out_len = pos - msg;
+
+	conn->state = CLIENT_CERTIFICATE;
+
+	return msg;
+}
+
+
+static u8 * tls_send_change_cipher_spec(struct tlsv1_server *conn,
+					size_t *out_len)
+{
+	u8 *msg, *end, *pos;
+
+	*out_len = 0;
+
+	msg = os_malloc(1000);
+	if (msg == NULL)
+		return NULL;
+
+	pos = msg;
+	end = msg + 1000;
+
+	if (tls_write_server_change_cipher_spec(conn, &pos, end) < 0 ||
+	    tls_write_server_finished(conn, &pos, end) < 0) {
+		os_free(msg);
+		return NULL;
+	}
+
+	*out_len = pos - msg;
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Handshake completed successfully");
+	conn->state = ESTABLISHED;
+
+	return msg;
+}
+
+
+u8 * tlsv1_server_handshake_write(struct tlsv1_server *conn, size_t *out_len)
+{
+	switch (conn->state) {
+	case SERVER_HELLO:
+		return tls_send_server_hello(conn, out_len);
+	case SERVER_CHANGE_CIPHER_SPEC:
+		return tls_send_change_cipher_spec(conn, out_len);
+	default:
+		if (conn->state == ESTABLISHED && conn->use_session_ticket) {
+			/* Abbreviated handshake was already completed. */
+			return NULL;
+		}
+		wpa_printf(MSG_DEBUG, "TLSv1: Unexpected state %d while "
+			   "generating reply", conn->state);
+		return NULL;
+	}
+}
+
+
+u8 * tlsv1_server_send_alert(struct tlsv1_server *conn, u8 level,
+			     u8 description, size_t *out_len)
+{
+	u8 *alert, *pos, *length;
+
+	wpa_printf(MSG_DEBUG, "TLSv1: Send Alert(%d:%d)", level, description);
+	*out_len = 0;
+
+	alert = os_malloc(10);
+	if (alert == NULL)
+		return NULL;
+
+	pos = alert;
+
+	/* TLSPlaintext */
+	/* ContentType type */
+	*pos++ = TLS_CONTENT_TYPE_ALERT;
+	/* ProtocolVersion version */
+	WPA_PUT_BE16(pos, TLS_VERSION);
+	pos += 2;
+	/* uint16 length (to be filled) */
+	length = pos;
+	pos += 2;
+	/* opaque fragment[TLSPlaintext.length] */
+
+	/* Alert */
+	/* AlertLevel level */
+	*pos++ = level;
+	/* AlertDescription description */
+	*pos++ = description;
+
+	WPA_PUT_BE16(length, pos - length - 2);
+	*out_len = pos - alert;
+
+	return alert;
+}
diff --git a/src/tls/x509v3.c b/src/tls/x509v3.c
new file mode 100644
index 0000000..bc93df6
--- /dev/null
+++ b/src/tls/x509v3.c
@@ -0,0 +1,1985 @@
+/*
+ * X.509v3 certificate parsing and processing (RFC 3280 profile)
+ * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/crypto.h"
+#include "asn1.h"
+#include "x509v3.h"
+
+
+static void x509_free_name(struct x509_name *name)
+{
+	size_t i;
+
+	for (i = 0; i < name->num_attr; i++) {
+		os_free(name->attr[i].value);
+		name->attr[i].value = NULL;
+		name->attr[i].type = X509_NAME_ATTR_NOT_USED;
+	}
+	name->num_attr = 0;
+	os_free(name->email);
+	name->email = NULL;
+
+	os_free(name->alt_email);
+	os_free(name->dns);
+	os_free(name->uri);
+	os_free(name->ip);
+	name->alt_email = name->dns = name->uri = NULL;
+	name->ip = NULL;
+	name->ip_len = 0;
+	os_memset(&name->rid, 0, sizeof(name->rid));
+}
+
+
+/**
+ * x509_certificate_free - Free an X.509 certificate
+ * @cert: Certificate to be freed
+ */
+void x509_certificate_free(struct x509_certificate *cert)
+{
+	if (cert == NULL)
+		return;
+	if (cert->next) {
+		wpa_printf(MSG_DEBUG, "X509: x509_certificate_free: cer=%p "
+			   "was still on a list (next=%p)\n",
+			   cert, cert->next);
+	}
+	x509_free_name(&cert->issuer);
+	x509_free_name(&cert->subject);
+	os_free(cert->public_key);
+	os_free(cert->sign_value);
+	os_free(cert);
+}
+
+
+/**
+ * x509_certificate_free - Free an X.509 certificate chain
+ * @cert: Pointer to the first certificate in the chain
+ */
+void x509_certificate_chain_free(struct x509_certificate *cert)
+{
+	struct x509_certificate *next;
+
+	while (cert) {
+		next = cert->next;
+		cert->next = NULL;
+		x509_certificate_free(cert);
+		cert = next;
+	}
+}
+
+
+static int x509_whitespace(char c)
+{
+	return c == ' ' || c == '\t';
+}
+
+
+static void x509_str_strip_whitespace(char *a)
+{
+	char *ipos, *opos;
+	int remove_whitespace = 1;
+
+	ipos = opos = a;
+
+	while (*ipos) {
+		if (remove_whitespace && x509_whitespace(*ipos))
+			ipos++;
+		else {
+			remove_whitespace = x509_whitespace(*ipos);
+			*opos++ = *ipos++;
+		}
+	}
+
+	*opos-- = '\0';
+	if (opos > a && x509_whitespace(*opos))
+		*opos = '\0';
+}
+
+
+static int x509_str_compare(const char *a, const char *b)
+{
+	char *aa, *bb;
+	int ret;
+
+	if (!a && b)
+		return -1;
+	if (a && !b)
+		return 1;
+	if (!a && !b)
+		return 0;
+
+	aa = os_strdup(a);
+	bb = os_strdup(b);
+
+	if (aa == NULL || bb == NULL) {
+		os_free(aa);
+		os_free(bb);
+		return os_strcasecmp(a, b);
+	}
+
+	x509_str_strip_whitespace(aa);
+	x509_str_strip_whitespace(bb);
+
+	ret = os_strcasecmp(aa, bb);
+
+	os_free(aa);
+	os_free(bb);
+
+	return ret;
+}
+
+
+/**
+ * x509_name_compare - Compare X.509 certificate names
+ * @a: Certificate name
+ * @b: Certificate name
+ * Returns: <0, 0, or >0 based on whether a is less than, equal to, or
+ * greater than b
+ */
+int x509_name_compare(struct x509_name *a, struct x509_name *b)
+{
+	int res;
+	size_t i;
+
+	if (!a && b)
+		return -1;
+	if (a && !b)
+		return 1;
+	if (!a && !b)
+		return 0;
+	if (a->num_attr < b->num_attr)
+		return -1;
+	if (a->num_attr > b->num_attr)
+		return 1;
+
+	for (i = 0; i < a->num_attr; i++) {
+		if (a->attr[i].type < b->attr[i].type)
+			return -1;
+		if (a->attr[i].type > b->attr[i].type)
+			return -1;
+		res = x509_str_compare(a->attr[i].value, b->attr[i].value);
+		if (res)
+			return res;
+	}
+	res = x509_str_compare(a->email, b->email);
+	if (res)
+		return res;
+
+	return 0;
+}
+
+
+static int x509_parse_algorithm_identifier(
+	const u8 *buf, size_t len,
+	struct x509_algorithm_identifier *id, const u8 **next)
+{
+	struct asn1_hdr hdr;
+	const u8 *pos, *end;
+
+	/*
+	 * AlgorithmIdentifier ::= SEQUENCE {
+	 *     algorithm            OBJECT IDENTIFIER,
+	 *     parameters           ANY DEFINED BY algorithm OPTIONAL
+	 * }
+	 */
+
+	if (asn1_get_next(buf, len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "X509: Expected SEQUENCE "
+			   "(AlgorithmIdentifier) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return -1;
+	}
+	pos = hdr.payload;
+	end = pos + hdr.length;
+
+	if (end > buf + len)
+		return -1;
+
+	*next = end;
+
+	if (asn1_get_oid(pos, end - pos, &id->oid, &pos))
+		return -1;
+
+	/* TODO: optional parameters */
+
+	return 0;
+}
+
+
+static int x509_parse_public_key(const u8 *buf, size_t len,
+				 struct x509_certificate *cert,
+				 const u8 **next)
+{
+	struct asn1_hdr hdr;
+	const u8 *pos, *end;
+
+	/*
+	 * SubjectPublicKeyInfo ::= SEQUENCE {
+	 *     algorithm            AlgorithmIdentifier,
+	 *     subjectPublicKey     BIT STRING
+	 * }
+	 */
+
+	pos = buf;
+	end = buf + len;
+
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "X509: Expected SEQUENCE "
+			   "(SubjectPublicKeyInfo) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return -1;
+	}
+	pos = hdr.payload;
+
+	if (pos + hdr.length > end)
+		return -1;
+	end = pos + hdr.length;
+	*next = end;
+
+	if (x509_parse_algorithm_identifier(pos, end - pos,
+					    &cert->public_key_alg, &pos))
+		return -1;
+
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_BITSTRING) {
+		wpa_printf(MSG_DEBUG, "X509: Expected BITSTRING "
+			   "(subjectPublicKey) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return -1;
+	}
+	if (hdr.length < 1)
+		return -1;
+	pos = hdr.payload;
+	if (*pos) {
+		wpa_printf(MSG_DEBUG, "X509: BITSTRING - %d unused bits",
+			   *pos);
+		/*
+		 * TODO: should this be rejected? X.509 certificates are
+		 * unlikely to use such a construction. Now we would end up
+		 * including the extra bits in the buffer which may also be
+		 * ok.
+		 */
+	}
+	os_free(cert->public_key);
+	cert->public_key = os_malloc(hdr.length - 1);
+	if (cert->public_key == NULL) {
+		wpa_printf(MSG_DEBUG, "X509: Failed to allocate memory for "
+			   "public key");
+		return -1;
+	}
+	os_memcpy(cert->public_key, pos + 1, hdr.length - 1);
+	cert->public_key_len = hdr.length - 1;
+	wpa_hexdump(MSG_MSGDUMP, "X509: subjectPublicKey",
+		    cert->public_key, cert->public_key_len);
+
+	return 0;
+}
+
+
+static int x509_parse_name(const u8 *buf, size_t len, struct x509_name *name,
+			   const u8 **next)
+{
+	struct asn1_hdr hdr;
+	const u8 *pos, *end, *set_pos, *set_end, *seq_pos, *seq_end;
+	struct asn1_oid oid;
+	char *val;
+
+	/*
+	 * Name ::= CHOICE { RDNSequence }
+	 * RDNSequence ::= SEQUENCE OF RelativeDistinguishedName
+	 * RelativeDistinguishedName ::= SET OF AttributeTypeAndValue
+	 * AttributeTypeAndValue ::= SEQUENCE {
+	 *     type     AttributeType,
+	 *     value    AttributeValue
+	 * }
+	 * AttributeType ::= OBJECT IDENTIFIER
+	 * AttributeValue ::= ANY DEFINED BY AttributeType
+	 */
+
+	if (asn1_get_next(buf, len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "X509: Expected SEQUENCE "
+			   "(Name / RDNSequencer) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return -1;
+	}
+	pos = hdr.payload;
+
+	if (pos + hdr.length > buf + len)
+		return -1;
+
+	end = *next = pos + hdr.length;
+
+	while (pos < end) {
+		enum x509_name_attr_type type;
+
+		if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+		    hdr.class != ASN1_CLASS_UNIVERSAL ||
+		    hdr.tag != ASN1_TAG_SET) {
+			wpa_printf(MSG_DEBUG, "X509: Expected SET "
+				   "(RelativeDistinguishedName) - found class "
+				   "%d tag 0x%x", hdr.class, hdr.tag);
+			x509_free_name(name);
+			return -1;
+		}
+
+		set_pos = hdr.payload;
+		pos = set_end = hdr.payload + hdr.length;
+
+		if (asn1_get_next(set_pos, set_end - set_pos, &hdr) < 0 ||
+		    hdr.class != ASN1_CLASS_UNIVERSAL ||
+		    hdr.tag != ASN1_TAG_SEQUENCE) {
+			wpa_printf(MSG_DEBUG, "X509: Expected SEQUENCE "
+				   "(AttributeTypeAndValue) - found class %d "
+				   "tag 0x%x", hdr.class, hdr.tag);
+			x509_free_name(name);
+			return -1;
+		}
+
+		seq_pos = hdr.payload;
+		seq_end = hdr.payload + hdr.length;
+
+		if (asn1_get_oid(seq_pos, seq_end - seq_pos, &oid, &seq_pos)) {
+			x509_free_name(name);
+			return -1;
+		}
+
+		if (asn1_get_next(seq_pos, seq_end - seq_pos, &hdr) < 0 ||
+		    hdr.class != ASN1_CLASS_UNIVERSAL) {
+			wpa_printf(MSG_DEBUG, "X509: Failed to parse "
+				   "AttributeValue");
+			x509_free_name(name);
+			return -1;
+		}
+
+		/* RFC 3280:
+		 * MUST: country, organization, organizational-unit,
+		 * distinguished name qualifier, state or province name,
+		 * common name, serial number.
+		 * SHOULD: locality, title, surname, given name, initials,
+		 * pseudonym, generation qualifier.
+		 * MUST: domainComponent (RFC 2247).
+		 */
+		type = X509_NAME_ATTR_NOT_USED;
+		if (oid.len == 4 &&
+		    oid.oid[0] == 2 && oid.oid[1] == 5 && oid.oid[2] == 4) {
+			/* id-at ::= 2.5.4 */
+			switch (oid.oid[3]) {
+			case 3:
+				/* commonName */
+				type = X509_NAME_ATTR_CN;
+				break;
+			case 6:
+				/*  countryName */
+				type = X509_NAME_ATTR_C;
+				break;
+			case 7:
+				/* localityName */
+				type = X509_NAME_ATTR_L;
+				break;
+			case 8:
+				/* stateOrProvinceName */
+				type = X509_NAME_ATTR_ST;
+				break;
+			case 10:
+				/* organizationName */
+				type = X509_NAME_ATTR_O;
+				break;
+			case 11:
+				/* organizationalUnitName */
+				type = X509_NAME_ATTR_OU;
+				break;
+			}
+		} else if (oid.len == 7 &&
+			   oid.oid[0] == 1 && oid.oid[1] == 2 &&
+			   oid.oid[2] == 840 && oid.oid[3] == 113549 &&
+			   oid.oid[4] == 1 && oid.oid[5] == 9 &&
+			   oid.oid[6] == 1) {
+			/* 1.2.840.113549.1.9.1 - e-mailAddress */
+			os_free(name->email);
+			name->email = os_malloc(hdr.length + 1);
+			if (name->email == NULL) {
+				x509_free_name(name);
+				return -1;
+			}
+			os_memcpy(name->email, hdr.payload, hdr.length);
+			name->email[hdr.length] = '\0';
+			continue;
+		} else if (oid.len == 7 &&
+			   oid.oid[0] == 0 && oid.oid[1] == 9 &&
+			   oid.oid[2] == 2342 && oid.oid[3] == 19200300 &&
+			   oid.oid[4] == 100 && oid.oid[5] == 1 &&
+			   oid.oid[6] == 25) {
+			/* 0.9.2342.19200300.100.1.25 - domainComponent */
+			type = X509_NAME_ATTR_DC;
+		}
+
+		if (type == X509_NAME_ATTR_NOT_USED) {
+			wpa_hexdump(MSG_DEBUG, "X509: Unrecognized OID",
+				    (u8 *) oid.oid,
+				    oid.len * sizeof(oid.oid[0]));
+			wpa_hexdump_ascii(MSG_MSGDUMP, "X509: Attribute Data",
+					  hdr.payload, hdr.length);
+			continue;
+		}
+
+		if (name->num_attr == X509_MAX_NAME_ATTRIBUTES) {
+			wpa_printf(MSG_INFO, "X509: Too many Name attributes");
+			x509_free_name(name);
+			return -1;
+		}
+
+		val = os_malloc(hdr.length + 1);
+		if (val == NULL) {
+			x509_free_name(name);
+			return -1;
+		}
+		os_memcpy(val, hdr.payload, hdr.length);
+		val[hdr.length] = '\0';
+		if (os_strlen(val) != hdr.length) {
+			wpa_printf(MSG_INFO, "X509: Reject certificate with "
+				   "embedded NUL byte in a string (%s[NUL])",
+				   val);
+			x509_free_name(name);
+			return -1;
+		}
+
+		name->attr[name->num_attr].type = type;
+		name->attr[name->num_attr].value = val;
+		name->num_attr++;
+	}
+
+	return 0;
+}
+
+
+static char * x509_name_attr_str(enum x509_name_attr_type type)
+{
+	switch (type) {
+	case X509_NAME_ATTR_NOT_USED:
+		return "[N/A]";
+	case X509_NAME_ATTR_DC:
+		return "DC";
+	case X509_NAME_ATTR_CN:
+		return "CN";
+	case X509_NAME_ATTR_C:
+		return "C";
+	case X509_NAME_ATTR_L:
+		return "L";
+	case X509_NAME_ATTR_ST:
+		return "ST";
+	case X509_NAME_ATTR_O:
+		return "O";
+	case X509_NAME_ATTR_OU:
+		return "OU";
+	}
+	return "?";
+}
+
+
+/**
+ * x509_name_string - Convert an X.509 certificate name into a string
+ * @name: Name to convert
+ * @buf: Buffer for the string
+ * @len: Maximum buffer length
+ */
+void x509_name_string(struct x509_name *name, char *buf, size_t len)
+{
+	char *pos, *end;
+	int ret;
+	size_t i;
+
+	if (len == 0)
+		return;
+
+	pos = buf;
+	end = buf + len;
+
+	for (i = 0; i < name->num_attr; i++) {
+		ret = os_snprintf(pos, end - pos, "%s=%s, ",
+				  x509_name_attr_str(name->attr[i].type),
+				  name->attr[i].value);
+		if (ret < 0 || ret >= end - pos)
+			goto done;
+		pos += ret;
+	}
+
+	if (pos > buf + 1 && pos[-1] == ' ' && pos[-2] == ',') {
+		pos--;
+		*pos = '\0';
+		pos--;
+		*pos = '\0';
+	}
+
+	if (name->email) {
+		ret = os_snprintf(pos, end - pos, "/emailAddress=%s",
+				  name->email);
+		if (ret < 0 || ret >= end - pos)
+			goto done;
+		pos += ret;
+	}
+
+done:
+	end[-1] = '\0';
+}
+
+
+static int x509_parse_time(const u8 *buf, size_t len, u8 asn1_tag,
+			   os_time_t *val)
+{
+	const char *pos;
+	int year, month, day, hour, min, sec;
+
+	/*
+	 * Time ::= CHOICE {
+	 *     utcTime        UTCTime,
+	 *     generalTime    GeneralizedTime
+	 * }
+	 *
+	 * UTCTime: YYMMDDHHMMSSZ
+	 * GeneralizedTime: YYYYMMDDHHMMSSZ
+	 */
+
+	pos = (const char *) buf;
+
+	switch (asn1_tag) {
+	case ASN1_TAG_UTCTIME:
+		if (len != 13 || buf[12] != 'Z') {
+			wpa_hexdump_ascii(MSG_DEBUG, "X509: Unrecognized "
+					  "UTCTime format", buf, len);
+			return -1;
+		}
+		if (sscanf(pos, "%02d", &year) != 1) {
+			wpa_hexdump_ascii(MSG_DEBUG, "X509: Failed to parse "
+					  "UTCTime year", buf, len);
+			return -1;
+		}
+		if (year < 50)
+			year += 2000;
+		else
+			year += 1900;
+		pos += 2;
+		break;
+	case ASN1_TAG_GENERALIZEDTIME:
+		if (len != 15 || buf[14] != 'Z') {
+			wpa_hexdump_ascii(MSG_DEBUG, "X509: Unrecognized "
+					  "GeneralizedTime format", buf, len);
+			return -1;
+		}
+		if (sscanf(pos, "%04d", &year) != 1) {
+			wpa_hexdump_ascii(MSG_DEBUG, "X509: Failed to parse "
+					  "GeneralizedTime year", buf, len);
+			return -1;
+		}
+		pos += 4;
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "X509: Expected UTCTime or "
+			   "GeneralizedTime - found tag 0x%x", asn1_tag);
+		return -1;
+	}
+
+	if (sscanf(pos, "%02d", &month) != 1) {
+		wpa_hexdump_ascii(MSG_DEBUG, "X509: Failed to parse Time "
+				  "(month)", buf, len);
+		return -1;
+	}
+	pos += 2;
+
+	if (sscanf(pos, "%02d", &day) != 1) {
+		wpa_hexdump_ascii(MSG_DEBUG, "X509: Failed to parse Time "
+				  "(day)", buf, len);
+		return -1;
+	}
+	pos += 2;
+
+	if (sscanf(pos, "%02d", &hour) != 1) {
+		wpa_hexdump_ascii(MSG_DEBUG, "X509: Failed to parse Time "
+				  "(hour)", buf, len);
+		return -1;
+	}
+	pos += 2;
+
+	if (sscanf(pos, "%02d", &min) != 1) {
+		wpa_hexdump_ascii(MSG_DEBUG, "X509: Failed to parse Time "
+				  "(min)", buf, len);
+		return -1;
+	}
+	pos += 2;
+
+	if (sscanf(pos, "%02d", &sec) != 1) {
+		wpa_hexdump_ascii(MSG_DEBUG, "X509: Failed to parse Time "
+				  "(sec)", buf, len);
+		return -1;
+	}
+
+	if (os_mktime(year, month, day, hour, min, sec, val) < 0) {
+		wpa_hexdump_ascii(MSG_DEBUG, "X509: Failed to convert Time",
+				  buf, len);
+		if (year < 1970) {
+			/*
+			 * At least some test certificates have been configured
+			 * to use dates prior to 1970. Set the date to
+			 * beginning of 1970 to handle these case.
+			 */
+			wpa_printf(MSG_DEBUG, "X509: Year=%d before epoch - "
+				   "assume epoch as the time", year);
+			*val = 0;
+			return 0;
+		}
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int x509_parse_validity(const u8 *buf, size_t len,
+			       struct x509_certificate *cert, const u8 **next)
+{
+	struct asn1_hdr hdr;
+	const u8 *pos;
+	size_t plen;
+
+	/*
+	 * Validity ::= SEQUENCE {
+	 *     notBefore      Time,
+	 *     notAfter       Time
+	 * }
+	 *
+	 * RFC 3280, 4.1.2.5:
+	 * CAs conforming to this profile MUST always encode certificate
+	 * validity dates through the year 2049 as UTCTime; certificate
+	 * validity dates in 2050 or later MUST be encoded as GeneralizedTime.
+	 */
+
+	if (asn1_get_next(buf, len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "X509: Expected SEQUENCE "
+			   "(Validity) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return -1;
+	}
+	pos = hdr.payload;
+	plen = hdr.length;
+
+	if (pos + plen > buf + len)
+		return -1;
+
+	*next = pos + plen;
+
+	if (asn1_get_next(pos, plen, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    x509_parse_time(hdr.payload, hdr.length, hdr.tag,
+			    &cert->not_before) < 0) {
+		wpa_hexdump_ascii(MSG_DEBUG, "X509: Failed to parse notBefore "
+				  "Time", hdr.payload, hdr.length);
+		return -1;
+	}
+
+	pos = hdr.payload + hdr.length;
+	plen = *next - pos;
+
+	if (asn1_get_next(pos, plen, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    x509_parse_time(hdr.payload, hdr.length, hdr.tag,
+			    &cert->not_after) < 0) {
+		wpa_hexdump_ascii(MSG_DEBUG, "X509: Failed to parse notAfter "
+				  "Time", hdr.payload, hdr.length);
+		return -1;
+	}
+
+	wpa_printf(MSG_MSGDUMP, "X509: Validity: notBefore: %lu notAfter: %lu",
+		   (unsigned long) cert->not_before,
+		   (unsigned long) cert->not_after);
+
+	return 0;
+}
+
+
+static int x509_id_ce_oid(struct asn1_oid *oid)
+{
+	/* id-ce arc from X.509 for standard X.509v3 extensions */
+	return oid->len >= 4 &&
+		oid->oid[0] == 2 /* joint-iso-ccitt */ &&
+		oid->oid[1] == 5 /* ds */ &&
+		oid->oid[2] == 29 /* id-ce */;
+}
+
+
+static int x509_parse_ext_key_usage(struct x509_certificate *cert,
+				    const u8 *pos, size_t len)
+{
+	struct asn1_hdr hdr;
+
+	/*
+	 * KeyUsage ::= BIT STRING {
+	 *     digitalSignature        (0),
+	 *     nonRepudiation          (1),
+	 *     keyEncipherment         (2),
+	 *     dataEncipherment        (3),
+	 *     keyAgreement            (4),
+	 *     keyCertSign             (5),
+	 *     cRLSign                 (6),
+	 *     encipherOnly            (7),
+	 *     decipherOnly            (8) }
+	 */
+
+	if (asn1_get_next(pos, len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_BITSTRING ||
+	    hdr.length < 1) {
+		wpa_printf(MSG_DEBUG, "X509: Expected BIT STRING in "
+			   "KeyUsage; found %d tag 0x%x len %d",
+			   hdr.class, hdr.tag, hdr.length);
+		return -1;
+	}
+
+	cert->extensions_present |= X509_EXT_KEY_USAGE;
+	cert->key_usage = asn1_bit_string_to_long(hdr.payload, hdr.length);
+
+	wpa_printf(MSG_DEBUG, "X509: KeyUsage 0x%lx", cert->key_usage);
+
+	return 0;
+}
+
+
+static int x509_parse_ext_basic_constraints(struct x509_certificate *cert,
+					    const u8 *pos, size_t len)
+{
+	struct asn1_hdr hdr;
+	unsigned long value;
+	size_t left;
+
+	/*
+	 * BasicConstraints ::= SEQUENCE {
+	 * cA                      BOOLEAN DEFAULT FALSE,
+	 * pathLenConstraint       INTEGER (0..MAX) OPTIONAL }
+	 */
+
+	if (asn1_get_next(pos, len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "X509: Expected SEQUENCE in "
+			   "BasicConstraints; found %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return -1;
+	}
+
+	cert->extensions_present |= X509_EXT_BASIC_CONSTRAINTS;
+
+	if (hdr.length == 0)
+		return 0;
+
+	if (asn1_get_next(hdr.payload, hdr.length, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL) {
+		wpa_printf(MSG_DEBUG, "X509: Failed to parse "
+			   "BasicConstraints");
+		return -1;
+	}
+
+	if (hdr.tag == ASN1_TAG_BOOLEAN) {
+		if (hdr.length != 1) {
+			wpa_printf(MSG_DEBUG, "X509: Unexpected "
+				   "Boolean length (%u) in BasicConstraints",
+				   hdr.length);
+			return -1;
+		}
+		cert->ca = hdr.payload[0];
+
+		if (hdr.payload + hdr.length == pos + len) {
+			wpa_printf(MSG_DEBUG, "X509: BasicConstraints - cA=%d",
+				   cert->ca);
+			return 0;
+		}
+
+		if (asn1_get_next(hdr.payload + hdr.length, len - hdr.length,
+				  &hdr) < 0 ||
+		    hdr.class != ASN1_CLASS_UNIVERSAL) {
+			wpa_printf(MSG_DEBUG, "X509: Failed to parse "
+				   "BasicConstraints");
+			return -1;
+		}
+	}
+
+	if (hdr.tag != ASN1_TAG_INTEGER) {
+		wpa_printf(MSG_DEBUG, "X509: Expected INTEGER in "
+			   "BasicConstraints; found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return -1;
+	}
+
+	pos = hdr.payload;
+	left = hdr.length;
+	value = 0;
+	while (left) {
+		value <<= 8;
+		value |= *pos++;
+		left--;
+	}
+
+	cert->path_len_constraint = value;
+	cert->extensions_present |= X509_EXT_PATH_LEN_CONSTRAINT;
+
+	wpa_printf(MSG_DEBUG, "X509: BasicConstraints - cA=%d "
+		   "pathLenConstraint=%lu",
+		   cert->ca, cert->path_len_constraint);
+
+	return 0;
+}
+
+
+static int x509_parse_alt_name_rfc8222(struct x509_name *name,
+				       const u8 *pos, size_t len)
+{
+	/* rfc822Name IA5String */
+	wpa_hexdump_ascii(MSG_MSGDUMP, "X509: altName - rfc822Name", pos, len);
+	os_free(name->alt_email);
+	name->alt_email = os_zalloc(len + 1);
+	if (name->alt_email == NULL)
+		return -1;
+	os_memcpy(name->alt_email, pos, len);
+	if (os_strlen(name->alt_email) != len) {
+		wpa_printf(MSG_INFO, "X509: Reject certificate with "
+			   "embedded NUL byte in rfc822Name (%s[NUL])",
+			   name->alt_email);
+		os_free(name->alt_email);
+		name->alt_email = NULL;
+		return -1;
+	}
+	return 0;
+}
+
+
+static int x509_parse_alt_name_dns(struct x509_name *name,
+				   const u8 *pos, size_t len)
+{
+	/* dNSName IA5String */
+	wpa_hexdump_ascii(MSG_MSGDUMP, "X509: altName - dNSName", pos, len);
+	os_free(name->dns);
+	name->dns = os_zalloc(len + 1);
+	if (name->dns == NULL)
+		return -1;
+	os_memcpy(name->dns, pos, len);
+	if (os_strlen(name->dns) != len) {
+		wpa_printf(MSG_INFO, "X509: Reject certificate with "
+			   "embedded NUL byte in dNSName (%s[NUL])",
+			   name->dns);
+		os_free(name->dns);
+		name->dns = NULL;
+		return -1;
+	}
+	return 0;
+}
+
+
+static int x509_parse_alt_name_uri(struct x509_name *name,
+				   const u8 *pos, size_t len)
+{
+	/* uniformResourceIdentifier IA5String */
+	wpa_hexdump_ascii(MSG_MSGDUMP,
+			  "X509: altName - uniformResourceIdentifier",
+			  pos, len);
+	os_free(name->uri);
+	name->uri = os_zalloc(len + 1);
+	if (name->uri == NULL)
+		return -1;
+	os_memcpy(name->uri, pos, len);
+	if (os_strlen(name->uri) != len) {
+		wpa_printf(MSG_INFO, "X509: Reject certificate with "
+			   "embedded NUL byte in uniformResourceIdentifier "
+			   "(%s[NUL])", name->uri);
+		os_free(name->uri);
+		name->uri = NULL;
+		return -1;
+	}
+	return 0;
+}
+
+
+static int x509_parse_alt_name_ip(struct x509_name *name,
+				       const u8 *pos, size_t len)
+{
+	/* iPAddress OCTET STRING */
+	wpa_hexdump(MSG_MSGDUMP, "X509: altName - iPAddress", pos, len);
+	os_free(name->ip);
+	name->ip = os_malloc(len);
+	if (name->ip == NULL)
+		return -1;
+	os_memcpy(name->ip, pos, len);
+	name->ip_len = len;
+	return 0;
+}
+
+
+static int x509_parse_alt_name_rid(struct x509_name *name,
+				   const u8 *pos, size_t len)
+{
+	char buf[80];
+
+	/* registeredID OBJECT IDENTIFIER */
+	if (asn1_parse_oid(pos, len, &name->rid) < 0)
+		return -1;
+
+	asn1_oid_to_str(&name->rid, buf, sizeof(buf));
+	wpa_printf(MSG_MSGDUMP, "X509: altName - registeredID: %s", buf);
+
+	return 0;
+}
+
+
+static int x509_parse_ext_alt_name(struct x509_name *name,
+				   const u8 *pos, size_t len)
+{
+	struct asn1_hdr hdr;
+	const u8 *p, *end;
+
+	/*
+	 * GeneralNames ::= SEQUENCE SIZE (1..MAX) OF GeneralName
+	 *
+	 * GeneralName ::= CHOICE {
+	 *     otherName                       [0]     OtherName,
+	 *     rfc822Name                      [1]     IA5String,
+	 *     dNSName                         [2]     IA5String,
+	 *     x400Address                     [3]     ORAddress,
+	 *     directoryName                   [4]     Name,
+	 *     ediPartyName                    [5]     EDIPartyName,
+	 *     uniformResourceIdentifier       [6]     IA5String,
+	 *     iPAddress                       [7]     OCTET STRING,
+	 *     registeredID                    [8]     OBJECT IDENTIFIER }
+	 *
+	 * OtherName ::= SEQUENCE {
+	 *     type-id    OBJECT IDENTIFIER,
+	 *     value      [0] EXPLICIT ANY DEFINED BY type-id }
+	 *
+	 * EDIPartyName ::= SEQUENCE {
+	 *     nameAssigner            [0]     DirectoryString OPTIONAL,
+	 *     partyName               [1]     DirectoryString }
+	 */
+
+	for (p = pos, end = pos + len; p < end; p = hdr.payload + hdr.length) {
+		int res;
+
+		if (asn1_get_next(p, end - p, &hdr) < 0) {
+			wpa_printf(MSG_DEBUG, "X509: Failed to parse "
+				   "SubjectAltName item");
+			return -1;
+		}
+
+		if (hdr.class != ASN1_CLASS_CONTEXT_SPECIFIC)
+			continue;
+
+		switch (hdr.tag) {
+		case 1:
+			res = x509_parse_alt_name_rfc8222(name, hdr.payload,
+							  hdr.length);
+			break;
+		case 2:
+			res = x509_parse_alt_name_dns(name, hdr.payload,
+						      hdr.length);
+			break;
+		case 6:
+			res = x509_parse_alt_name_uri(name, hdr.payload,
+						      hdr.length);
+			break;
+		case 7:
+			res = x509_parse_alt_name_ip(name, hdr.payload,
+						     hdr.length);
+			break;
+		case 8:
+			res = x509_parse_alt_name_rid(name, hdr.payload,
+						      hdr.length);
+			break;
+		case 0: /* TODO: otherName */
+		case 3: /* TODO: x500Address */
+		case 4: /* TODO: directoryName */
+		case 5: /* TODO: ediPartyName */
+		default:
+			res = 0;
+			break;
+		}
+		if (res < 0)
+			return res;
+	}
+
+	return 0;
+}
+
+
+static int x509_parse_ext_subject_alt_name(struct x509_certificate *cert,
+					   const u8 *pos, size_t len)
+{
+	struct asn1_hdr hdr;
+
+	/* SubjectAltName ::= GeneralNames */
+
+	if (asn1_get_next(pos, len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "X509: Expected SEQUENCE in "
+			   "SubjectAltName; found %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "X509: SubjectAltName");
+	cert->extensions_present |= X509_EXT_SUBJECT_ALT_NAME;
+
+	if (hdr.length == 0)
+		return 0;
+
+	return x509_parse_ext_alt_name(&cert->subject, hdr.payload,
+				       hdr.length);
+}
+
+
+static int x509_parse_ext_issuer_alt_name(struct x509_certificate *cert,
+					  const u8 *pos, size_t len)
+{
+	struct asn1_hdr hdr;
+
+	/* IssuerAltName ::= GeneralNames */
+
+	if (asn1_get_next(pos, len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "X509: Expected SEQUENCE in "
+			   "IssuerAltName; found %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "X509: IssuerAltName");
+	cert->extensions_present |= X509_EXT_ISSUER_ALT_NAME;
+
+	if (hdr.length == 0)
+		return 0;
+
+	return x509_parse_ext_alt_name(&cert->issuer, hdr.payload,
+				       hdr.length);
+}
+
+
+static int x509_parse_extension_data(struct x509_certificate *cert,
+				     struct asn1_oid *oid,
+				     const u8 *pos, size_t len)
+{
+	if (!x509_id_ce_oid(oid))
+		return 1;
+
+	/* TODO: add other extensions required by RFC 3280, Ch 4.2:
+	 * certificate policies (section 4.2.1.5)
+	 * name constraints (section 4.2.1.11)
+	 * policy constraints (section 4.2.1.12)
+	 * extended key usage (section 4.2.1.13)
+	 * inhibit any-policy (section 4.2.1.15)
+	 */
+	switch (oid->oid[3]) {
+	case 15: /* id-ce-keyUsage */
+		return x509_parse_ext_key_usage(cert, pos, len);
+	case 17: /* id-ce-subjectAltName */
+		return x509_parse_ext_subject_alt_name(cert, pos, len);
+	case 18: /* id-ce-issuerAltName */
+		return x509_parse_ext_issuer_alt_name(cert, pos, len);
+	case 19: /* id-ce-basicConstraints */
+		return x509_parse_ext_basic_constraints(cert, pos, len);
+	default:
+		return 1;
+	}
+}
+
+
+static int x509_parse_extension(struct x509_certificate *cert,
+				const u8 *pos, size_t len, const u8 **next)
+{
+	const u8 *end;
+	struct asn1_hdr hdr;
+	struct asn1_oid oid;
+	int critical_ext = 0, res;
+	char buf[80];
+
+	/*
+	 * Extension  ::=  SEQUENCE  {
+	 *     extnID      OBJECT IDENTIFIER,
+	 *     critical    BOOLEAN DEFAULT FALSE,
+	 *     extnValue   OCTET STRING
+	 * }
+	 */
+
+	if (asn1_get_next(pos, len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "X509: Unexpected ASN.1 header in "
+			   "Extensions: class %d tag 0x%x; expected SEQUENCE",
+			   hdr.class, hdr.tag);
+		return -1;
+	}
+	pos = hdr.payload;
+	*next = end = pos + hdr.length;
+
+	if (asn1_get_oid(pos, end - pos, &oid, &pos) < 0) {
+		wpa_printf(MSG_DEBUG, "X509: Unexpected ASN.1 data for "
+			   "Extension (expected OID)");
+		return -1;
+	}
+
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    (hdr.tag != ASN1_TAG_BOOLEAN &&
+	     hdr.tag != ASN1_TAG_OCTETSTRING)) {
+		wpa_printf(MSG_DEBUG, "X509: Unexpected ASN.1 header in "
+			   "Extensions: class %d tag 0x%x; expected BOOLEAN "
+			   "or OCTET STRING", hdr.class, hdr.tag);
+		return -1;
+	}
+
+	if (hdr.tag == ASN1_TAG_BOOLEAN) {
+		if (hdr.length != 1) {
+			wpa_printf(MSG_DEBUG, "X509: Unexpected "
+				   "Boolean length (%u)", hdr.length);
+			return -1;
+		}
+		critical_ext = hdr.payload[0];
+		pos = hdr.payload;
+		if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+		    (hdr.class != ASN1_CLASS_UNIVERSAL &&
+		     hdr.class != ASN1_CLASS_PRIVATE) ||
+		    hdr.tag != ASN1_TAG_OCTETSTRING) {
+			wpa_printf(MSG_DEBUG, "X509: Unexpected ASN.1 header "
+				   "in Extensions: class %d tag 0x%x; "
+				   "expected OCTET STRING",
+				   hdr.class, hdr.tag);
+			return -1;
+		}
+	}
+
+	asn1_oid_to_str(&oid, buf, sizeof(buf));
+	wpa_printf(MSG_DEBUG, "X509: Extension: extnID=%s critical=%d",
+		   buf, critical_ext);
+	wpa_hexdump(MSG_MSGDUMP, "X509: extnValue", hdr.payload, hdr.length);
+
+	res = x509_parse_extension_data(cert, &oid, hdr.payload, hdr.length);
+	if (res < 0)
+		return res;
+	if (res == 1 && critical_ext) {
+		wpa_printf(MSG_INFO, "X509: Unknown critical extension %s",
+			   buf);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int x509_parse_extensions(struct x509_certificate *cert,
+				 const u8 *pos, size_t len)
+{
+	const u8 *end;
+	struct asn1_hdr hdr;
+
+	/* Extensions  ::=  SEQUENCE SIZE (1..MAX) OF Extension */
+
+	if (asn1_get_next(pos, len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "X509: Unexpected ASN.1 data "
+			   "for Extensions: class %d tag 0x%x; "
+			   "expected SEQUENCE", hdr.class, hdr.tag);
+		return -1;
+	}
+
+	pos = hdr.payload;
+	end = pos + hdr.length;
+
+	while (pos < end) {
+		if (x509_parse_extension(cert, pos, end - pos, &pos)
+		    < 0)
+			return -1;
+	}
+
+	return 0;
+}
+
+
+static int x509_parse_tbs_certificate(const u8 *buf, size_t len,
+				      struct x509_certificate *cert,
+				      const u8 **next)
+{
+	struct asn1_hdr hdr;
+	const u8 *pos, *end;
+	size_t left;
+	char sbuf[128];
+	unsigned long value;
+
+	/* tbsCertificate TBSCertificate ::= SEQUENCE */
+	if (asn1_get_next(buf, len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "X509: tbsCertificate did not start "
+			   "with a valid SEQUENCE - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return -1;
+	}
+	pos = hdr.payload;
+	end = *next = pos + hdr.length;
+
+	/*
+	 * version [0]  EXPLICIT Version DEFAULT v1
+	 * Version  ::=  INTEGER  {  v1(0), v2(1), v3(2)  }
+	 */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0)
+		return -1;
+	pos = hdr.payload;
+
+	if (hdr.class == ASN1_CLASS_CONTEXT_SPECIFIC) {
+		if (asn1_get_next(pos, end - pos, &hdr) < 0)
+			return -1;
+
+		if (hdr.class != ASN1_CLASS_UNIVERSAL ||
+		    hdr.tag != ASN1_TAG_INTEGER) {
+			wpa_printf(MSG_DEBUG, "X509: No INTEGER tag found for "
+				   "version field - found class %d tag 0x%x",
+				   hdr.class, hdr.tag);
+			return -1;
+		}
+		if (hdr.length != 1) {
+			wpa_printf(MSG_DEBUG, "X509: Unexpected version field "
+				   "length %u (expected 1)", hdr.length);
+			return -1;
+		}
+		pos = hdr.payload;
+		left = hdr.length;
+		value = 0;
+		while (left) {
+			value <<= 8;
+			value |= *pos++;
+			left--;
+		}
+
+		cert->version = value;
+		if (cert->version != X509_CERT_V1 &&
+		    cert->version != X509_CERT_V2 &&
+		    cert->version != X509_CERT_V3) {
+			wpa_printf(MSG_DEBUG, "X509: Unsupported version %d",
+				   cert->version + 1);
+			return -1;
+		}
+
+		if (asn1_get_next(pos, end - pos, &hdr) < 0)
+			return -1;
+	} else
+		cert->version = X509_CERT_V1;
+	wpa_printf(MSG_MSGDUMP, "X509: Version X.509v%d", cert->version + 1);
+
+	/* serialNumber CertificateSerialNumber ::= INTEGER */
+	if (hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_INTEGER) {
+		wpa_printf(MSG_DEBUG, "X509: No INTEGER tag found for "
+			   "serialNumber; class=%d tag=0x%x",
+			   hdr.class, hdr.tag);
+		return -1;
+	}
+
+	pos = hdr.payload;
+	left = hdr.length;
+	while (left) {
+		cert->serial_number <<= 8;
+		cert->serial_number |= *pos++;
+		left--;
+	}
+	wpa_printf(MSG_MSGDUMP, "X509: serialNumber %lu", cert->serial_number);
+
+	/* signature AlgorithmIdentifier */
+	if (x509_parse_algorithm_identifier(pos, end - pos, &cert->signature,
+					    &pos))
+		return -1;
+
+	/* issuer Name */
+	if (x509_parse_name(pos, end - pos, &cert->issuer, &pos))
+		return -1;
+	x509_name_string(&cert->issuer, sbuf, sizeof(sbuf));
+	wpa_printf(MSG_MSGDUMP, "X509: issuer %s", sbuf);
+
+	/* validity Validity */
+	if (x509_parse_validity(pos, end - pos, cert, &pos))
+		return -1;
+
+	/* subject Name */
+	if (x509_parse_name(pos, end - pos, &cert->subject, &pos))
+		return -1;
+	x509_name_string(&cert->subject, sbuf, sizeof(sbuf));
+	wpa_printf(MSG_MSGDUMP, "X509: subject %s", sbuf);
+
+	/* subjectPublicKeyInfo SubjectPublicKeyInfo */
+	if (x509_parse_public_key(pos, end - pos, cert, &pos))
+		return -1;
+
+	if (pos == end)
+		return 0;
+
+	if (cert->version == X509_CERT_V1)
+		return 0;
+
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_CONTEXT_SPECIFIC) {
+		wpa_printf(MSG_DEBUG, "X509: Expected Context-Specific"
+			   " tag to parse optional tbsCertificate "
+			   "field(s); parsed class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return -1;
+	}
+
+	if (hdr.tag == 1) {
+		/* issuerUniqueID  [1]  IMPLICIT UniqueIdentifier OPTIONAL */
+		wpa_printf(MSG_DEBUG, "X509: issuerUniqueID");
+		/* TODO: parse UniqueIdentifier ::= BIT STRING */
+
+		if (hdr.payload + hdr.length == end)
+			return 0;
+
+		if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+		    hdr.class != ASN1_CLASS_CONTEXT_SPECIFIC) {
+			wpa_printf(MSG_DEBUG, "X509: Expected Context-Specific"
+				   " tag to parse optional tbsCertificate "
+				   "field(s); parsed class %d tag 0x%x",
+				   hdr.class, hdr.tag);
+			return -1;
+		}
+	}
+
+	if (hdr.tag == 2) {
+		/* subjectUniqueID [2]  IMPLICIT UniqueIdentifier OPTIONAL */
+		wpa_printf(MSG_DEBUG, "X509: subjectUniqueID");
+		/* TODO: parse UniqueIdentifier ::= BIT STRING */
+
+		if (hdr.payload + hdr.length == end)
+			return 0;
+
+		if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+		    hdr.class != ASN1_CLASS_CONTEXT_SPECIFIC) {
+			wpa_printf(MSG_DEBUG, "X509: Expected Context-Specific"
+				   " tag to parse optional tbsCertificate "
+				   "field(s); parsed class %d tag 0x%x",
+				   hdr.class, hdr.tag);
+			return -1;
+		}
+	}
+
+	if (hdr.tag != 3) {
+		wpa_printf(MSG_DEBUG, "X509: Ignored unexpected "
+			   "Context-Specific tag %d in optional "
+			   "tbsCertificate fields", hdr.tag);
+		return 0;
+	}
+
+	/* extensions      [3]  EXPLICIT Extensions OPTIONAL */
+
+	if (cert->version != X509_CERT_V3) {
+		wpa_printf(MSG_DEBUG, "X509: X.509%d certificate and "
+			   "Extensions data which are only allowed for "
+			   "version 3", cert->version + 1);
+		return -1;
+	}
+
+	if (x509_parse_extensions(cert, hdr.payload, hdr.length) < 0)
+		return -1;
+
+	pos = hdr.payload + hdr.length;
+	if (pos < end) {
+		wpa_hexdump(MSG_DEBUG,
+			    "X509: Ignored extra tbsCertificate data",
+			    pos, end - pos);
+	}
+
+	return 0;
+}
+
+
+static int x509_rsadsi_oid(struct asn1_oid *oid)
+{
+	return oid->len >= 4 &&
+		oid->oid[0] == 1 /* iso */ &&
+		oid->oid[1] == 2 /* member-body */ &&
+		oid->oid[2] == 840 /* us */ &&
+		oid->oid[3] == 113549 /* rsadsi */;
+}
+
+
+static int x509_pkcs_oid(struct asn1_oid *oid)
+{
+	return oid->len >= 5 &&
+		x509_rsadsi_oid(oid) &&
+		oid->oid[4] == 1 /* pkcs */;
+}
+
+
+static int x509_digest_oid(struct asn1_oid *oid)
+{
+	return oid->len >= 5 &&
+		x509_rsadsi_oid(oid) &&
+		oid->oid[4] == 2 /* digestAlgorithm */;
+}
+
+
+static int x509_sha1_oid(struct asn1_oid *oid)
+{
+	return oid->len == 6 &&
+		oid->oid[0] == 1 /* iso */ &&
+		oid->oid[1] == 3 /* identified-organization */ &&
+		oid->oid[2] == 14 /* oiw */ &&
+		oid->oid[3] == 3 /* secsig */ &&
+		oid->oid[4] == 2 /* algorithms */ &&
+		oid->oid[5] == 26 /* id-sha1 */;
+}
+
+
+static int x509_sha256_oid(struct asn1_oid *oid)
+{
+	return oid->len == 9 &&
+		oid->oid[0] == 2 /* joint-iso-itu-t */ &&
+		oid->oid[1] == 16 /* country */ &&
+		oid->oid[2] == 840 /* us */ &&
+		oid->oid[3] == 1 /* organization */ &&
+		oid->oid[4] == 101 /* gov */ &&
+		oid->oid[5] == 3 /* csor */ &&
+		oid->oid[6] == 4 /* nistAlgorithm */ &&
+		oid->oid[7] == 2 /* hashAlgs */ &&
+		oid->oid[8] == 1 /* sha256 */;
+}
+
+
+/**
+ * x509_certificate_parse - Parse a X.509 certificate in DER format
+ * @buf: Pointer to the X.509 certificate in DER format
+ * @len: Buffer length
+ * Returns: Pointer to the parsed certificate or %NULL on failure
+ *
+ * Caller is responsible for freeing the returned certificate by calling
+ * x509_certificate_free().
+ */
+struct x509_certificate * x509_certificate_parse(const u8 *buf, size_t len)
+{
+	struct asn1_hdr hdr;
+	const u8 *pos, *end, *hash_start;
+	struct x509_certificate *cert;
+
+	cert = os_zalloc(sizeof(*cert) + len);
+	if (cert == NULL)
+		return NULL;
+	os_memcpy(cert + 1, buf, len);
+	cert->cert_start = (u8 *) (cert + 1);
+	cert->cert_len = len;
+
+	pos = buf;
+	end = buf + len;
+
+	/* RFC 3280 - X.509 v3 certificate / ASN.1 DER */
+
+	/* Certificate ::= SEQUENCE */
+	if (asn1_get_next(pos, len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "X509: Certificate did not start with "
+			   "a valid SEQUENCE - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		x509_certificate_free(cert);
+		return NULL;
+	}
+	pos = hdr.payload;
+
+	if (pos + hdr.length > end) {
+		x509_certificate_free(cert);
+		return NULL;
+	}
+
+	if (pos + hdr.length < end) {
+		wpa_hexdump(MSG_MSGDUMP, "X509: Ignoring extra data after DER "
+			    "encoded certificate",
+			    pos + hdr.length, end - pos + hdr.length);
+		end = pos + hdr.length;
+	}
+
+	hash_start = pos;
+	cert->tbs_cert_start = cert->cert_start + (hash_start - buf);
+	if (x509_parse_tbs_certificate(pos, end - pos, cert, &pos)) {
+		x509_certificate_free(cert);
+		return NULL;
+	}
+	cert->tbs_cert_len = pos - hash_start;
+
+	/* signatureAlgorithm AlgorithmIdentifier */
+	if (x509_parse_algorithm_identifier(pos, end - pos,
+					    &cert->signature_alg, &pos)) {
+		x509_certificate_free(cert);
+		return NULL;
+	}
+
+	/* signatureValue BIT STRING */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_BITSTRING) {
+		wpa_printf(MSG_DEBUG, "X509: Expected BITSTRING "
+			   "(signatureValue) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		x509_certificate_free(cert);
+		return NULL;
+	}
+	if (hdr.length < 1) {
+		x509_certificate_free(cert);
+		return NULL;
+	}
+	pos = hdr.payload;
+	if (*pos) {
+		wpa_printf(MSG_DEBUG, "X509: BITSTRING - %d unused bits",
+			   *pos);
+		/* PKCS #1 v1.5 10.2.1:
+		 * It is an error if the length in bits of the signature S is
+		 * not a multiple of eight.
+		 */
+		x509_certificate_free(cert);
+		return NULL;
+	}
+	os_free(cert->sign_value);
+	cert->sign_value = os_malloc(hdr.length - 1);
+	if (cert->sign_value == NULL) {
+		wpa_printf(MSG_DEBUG, "X509: Failed to allocate memory for "
+			   "signatureValue");
+		x509_certificate_free(cert);
+		return NULL;
+	}
+	os_memcpy(cert->sign_value, pos + 1, hdr.length - 1);
+	cert->sign_value_len = hdr.length - 1;
+	wpa_hexdump(MSG_MSGDUMP, "X509: signature",
+		    cert->sign_value, cert->sign_value_len);
+
+	return cert;
+}
+
+
+/**
+ * x509_certificate_check_signature - Verify certificate signature
+ * @issuer: Issuer certificate
+ * @cert: Certificate to be verified
+ * Returns: 0 if cert has a valid signature that was signed by the issuer,
+ * -1 if not
+ */
+int x509_certificate_check_signature(struct x509_certificate *issuer,
+				     struct x509_certificate *cert)
+{
+	struct crypto_public_key *pk;
+	u8 *data;
+	const u8 *pos, *end, *next, *da_end;
+	size_t data_len;
+	struct asn1_hdr hdr;
+	struct asn1_oid oid;
+	u8 hash[32];
+	size_t hash_len;
+
+	if (!x509_pkcs_oid(&cert->signature.oid) ||
+	    cert->signature.oid.len != 7 ||
+	    cert->signature.oid.oid[5] != 1 /* pkcs-1 */) {
+		wpa_printf(MSG_DEBUG, "X509: Unrecognized signature "
+			   "algorithm");
+		return -1;
+	}
+
+	pk = crypto_public_key_import(issuer->public_key,
+				      issuer->public_key_len);
+	if (pk == NULL)
+		return -1;
+
+	data_len = cert->sign_value_len;
+	data = os_malloc(data_len);
+	if (data == NULL) {
+		crypto_public_key_free(pk);
+		return -1;
+	}
+
+	if (crypto_public_key_decrypt_pkcs1(pk, cert->sign_value,
+					    cert->sign_value_len, data,
+					    &data_len) < 0) {
+		wpa_printf(MSG_DEBUG, "X509: Failed to decrypt signature");
+		crypto_public_key_free(pk);
+		os_free(data);
+		return -1;
+	}
+	crypto_public_key_free(pk);
+
+	wpa_hexdump(MSG_MSGDUMP, "X509: Signature data D", data, data_len);
+
+	/*
+	 * PKCS #1 v1.5, 10.1.2:
+	 *
+	 * DigestInfo ::= SEQUENCE {
+	 *     digestAlgorithm DigestAlgorithmIdentifier,
+	 *     digest Digest
+	 * }
+	 *
+	 * DigestAlgorithmIdentifier ::= AlgorithmIdentifier
+	 *
+	 * Digest ::= OCTET STRING
+	 *
+	 */
+	if (asn1_get_next(data, data_len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "X509: Expected SEQUENCE "
+			   "(DigestInfo) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		os_free(data);
+		return -1;
+	}
+
+	pos = hdr.payload;
+	end = pos + hdr.length;
+
+	/*
+	 * X.509:
+	 * AlgorithmIdentifier ::= SEQUENCE {
+	 *     algorithm            OBJECT IDENTIFIER,
+	 *     parameters           ANY DEFINED BY algorithm OPTIONAL
+	 * }
+	 */
+
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG, "X509: Expected SEQUENCE "
+			   "(AlgorithmIdentifier) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		os_free(data);
+		return -1;
+	}
+	da_end = hdr.payload + hdr.length;
+
+	if (asn1_get_oid(hdr.payload, hdr.length, &oid, &next)) {
+		wpa_printf(MSG_DEBUG, "X509: Failed to parse digestAlgorithm");
+		os_free(data);
+		return -1;
+	}
+
+	if (x509_sha1_oid(&oid)) {
+		if (cert->signature.oid.oid[6] !=
+		    5 /* sha-1WithRSAEncryption */) {
+			wpa_printf(MSG_DEBUG, "X509: digestAlgorithm SHA1 "
+				   "does not match with certificate "
+				   "signatureAlgorithm (%lu)",
+				   cert->signature.oid.oid[6]);
+			os_free(data);
+			return -1;
+		}
+		goto skip_digest_oid;
+	}
+
+	if (x509_sha256_oid(&oid)) {
+		if (cert->signature.oid.oid[6] !=
+		    11 /* sha2561WithRSAEncryption */) {
+			wpa_printf(MSG_DEBUG, "X509: digestAlgorithm SHA256 "
+				   "does not match with certificate "
+				   "signatureAlgorithm (%lu)",
+				   cert->signature.oid.oid[6]);
+			os_free(data);
+			return -1;
+		}
+		goto skip_digest_oid;
+	}
+
+	if (!x509_digest_oid(&oid)) {
+		wpa_printf(MSG_DEBUG, "X509: Unrecognized digestAlgorithm");
+		os_free(data);
+		return -1;
+	}
+	switch (oid.oid[5]) {
+	case 5: /* md5 */
+		if (cert->signature.oid.oid[6] != 4 /* md5WithRSAEncryption */)
+		{
+			wpa_printf(MSG_DEBUG, "X509: digestAlgorithm MD5 does "
+				   "not match with certificate "
+				   "signatureAlgorithm (%lu)",
+				   cert->signature.oid.oid[6]);
+			os_free(data);
+			return -1;
+		}
+		break;
+	case 2: /* md2 */
+	case 4: /* md4 */
+	default:
+		wpa_printf(MSG_DEBUG, "X509: Unsupported digestAlgorithm "
+			   "(%lu)", oid.oid[5]);
+		os_free(data);
+		return -1;
+	}
+
+skip_digest_oid:
+	/* Digest ::= OCTET STRING */
+	pos = da_end;
+	end = data + data_len;
+
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_OCTETSTRING) {
+		wpa_printf(MSG_DEBUG, "X509: Expected OCTETSTRING "
+			   "(Digest) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		os_free(data);
+		return -1;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "X509: Decrypted Digest",
+		    hdr.payload, hdr.length);
+
+	switch (cert->signature.oid.oid[6]) {
+	case 4: /* md5WithRSAEncryption */
+		md5_vector(1, &cert->tbs_cert_start, &cert->tbs_cert_len,
+			   hash);
+		hash_len = 16;
+		wpa_hexdump(MSG_MSGDUMP, "X509: Certificate hash (MD5)",
+			    hash, hash_len);
+		break;
+	case 5: /* sha-1WithRSAEncryption */
+		sha1_vector(1, &cert->tbs_cert_start, &cert->tbs_cert_len,
+			    hash);
+		hash_len = 20;
+		wpa_hexdump(MSG_MSGDUMP, "X509: Certificate hash (SHA1)",
+			    hash, hash_len);
+		break;
+	case 11: /* sha256WithRSAEncryption */
+		sha256_vector(1, &cert->tbs_cert_start, &cert->tbs_cert_len,
+			      hash);
+		hash_len = 32;
+		wpa_hexdump(MSG_MSGDUMP, "X509: Certificate hash (SHA256)",
+			    hash, hash_len);
+		break;
+	case 2: /* md2WithRSAEncryption */
+	case 12: /* sha384WithRSAEncryption */
+	case 13: /* sha512WithRSAEncryption */
+	default:
+		wpa_printf(MSG_INFO, "X509: Unsupported certificate signature "
+			   "algorithm (%lu)", cert->signature.oid.oid[6]);
+		os_free(data);
+		return -1;
+	}
+
+	if (hdr.length != hash_len ||
+	    os_memcmp(hdr.payload, hash, hdr.length) != 0) {
+		wpa_printf(MSG_INFO, "X509: Certificate Digest does not match "
+			   "with calculated tbsCertificate hash");
+		os_free(data);
+		return -1;
+	}
+
+	os_free(data);
+
+	wpa_printf(MSG_DEBUG, "X509: Certificate Digest matches with "
+		   "calculated tbsCertificate hash");
+
+	return 0;
+}
+
+
+static int x509_valid_issuer(const struct x509_certificate *cert)
+{
+	if ((cert->extensions_present & X509_EXT_BASIC_CONSTRAINTS) &&
+	    !cert->ca) {
+		wpa_printf(MSG_DEBUG, "X509: Non-CA certificate used as an "
+			   "issuer");
+		return -1;
+	}
+
+	if (cert->version == X509_CERT_V3 &&
+	    !(cert->extensions_present & X509_EXT_BASIC_CONSTRAINTS)) {
+		wpa_printf(MSG_DEBUG, "X509: v3 CA certificate did not "
+			   "include BasicConstraints extension");
+		return -1;
+	}
+
+	if ((cert->extensions_present & X509_EXT_KEY_USAGE) &&
+	    !(cert->key_usage & X509_KEY_USAGE_KEY_CERT_SIGN)) {
+		wpa_printf(MSG_DEBUG, "X509: Issuer certificate did not have "
+			   "keyCertSign bit in Key Usage");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+/**
+ * x509_certificate_chain_validate - Validate X.509 certificate chain
+ * @trusted: List of trusted certificates
+ * @chain: Certificate chain to be validated (first chain must be issued by
+ * signed by the second certificate in the chain and so on)
+ * @reason: Buffer for returning failure reason (X509_VALIDATE_*)
+ * Returns: 0 if chain is valid, -1 if not
+ */
+int x509_certificate_chain_validate(struct x509_certificate *trusted,
+				    struct x509_certificate *chain,
+				    int *reason)
+{
+	long unsigned idx;
+	int chain_trusted = 0;
+	struct x509_certificate *cert, *trust;
+	char buf[128];
+	struct os_time now;
+
+	*reason = X509_VALIDATE_OK;
+
+	wpa_printf(MSG_DEBUG, "X509: Validate certificate chain");
+	os_get_time(&now);
+
+	for (cert = chain, idx = 0; cert; cert = cert->next, idx++) {
+		x509_name_string(&cert->subject, buf, sizeof(buf)); 
+		wpa_printf(MSG_DEBUG, "X509: %lu: %s", idx, buf);
+
+		if (chain_trusted)
+			continue;
+
+		if ((unsigned long) now.sec <
+		    (unsigned long) cert->not_before ||
+		    (unsigned long) now.sec >
+		    (unsigned long) cert->not_after) {
+			wpa_printf(MSG_INFO, "X509: Certificate not valid "
+				   "(now=%lu not_before=%lu not_after=%lu)",
+				   now.sec, cert->not_before, cert->not_after);
+			*reason = X509_VALIDATE_CERTIFICATE_EXPIRED;
+			return -1;
+		}
+
+		if (cert->next) {
+			if (x509_name_compare(&cert->issuer,
+					      &cert->next->subject) != 0) {
+				wpa_printf(MSG_DEBUG, "X509: Certificate "
+					   "chain issuer name mismatch");
+				x509_name_string(&cert->issuer, buf,
+						 sizeof(buf)); 
+				wpa_printf(MSG_DEBUG, "X509: cert issuer: %s",
+					   buf);
+				x509_name_string(&cert->next->subject, buf,
+						 sizeof(buf)); 
+				wpa_printf(MSG_DEBUG, "X509: next cert "
+					   "subject: %s", buf);
+				*reason = X509_VALIDATE_CERTIFICATE_UNKNOWN;
+				return -1;
+			}
+
+			if (x509_valid_issuer(cert->next) < 0) {
+				*reason = X509_VALIDATE_BAD_CERTIFICATE;
+				return -1;
+			}
+
+			if ((cert->next->extensions_present &
+			     X509_EXT_PATH_LEN_CONSTRAINT) &&
+			    idx > cert->next->path_len_constraint) {
+				wpa_printf(MSG_DEBUG, "X509: pathLenConstraint"
+					   " not met (idx=%lu issuer "
+					   "pathLenConstraint=%lu)", idx,
+					   cert->next->path_len_constraint);
+				*reason = X509_VALIDATE_BAD_CERTIFICATE;
+				return -1;
+			}
+
+			if (x509_certificate_check_signature(cert->next, cert)
+			    < 0) {
+				wpa_printf(MSG_DEBUG, "X509: Invalid "
+					   "certificate signature within "
+					   "chain");
+				*reason = X509_VALIDATE_BAD_CERTIFICATE;
+				return -1;
+			}
+		}
+
+		for (trust = trusted; trust; trust = trust->next) {
+			if (x509_name_compare(&cert->issuer, &trust->subject)
+			    == 0)
+				break;
+		}
+
+		if (trust) {
+			wpa_printf(MSG_DEBUG, "X509: Found issuer from the "
+				   "list of trusted certificates");
+			if (x509_valid_issuer(trust) < 0) {
+				*reason = X509_VALIDATE_BAD_CERTIFICATE;
+				return -1;
+			}
+
+			if (x509_certificate_check_signature(trust, cert) < 0)
+			{
+				wpa_printf(MSG_DEBUG, "X509: Invalid "
+					   "certificate signature");
+				*reason = X509_VALIDATE_BAD_CERTIFICATE;
+				return -1;
+			}
+
+			wpa_printf(MSG_DEBUG, "X509: Trusted certificate "
+				   "found to complete the chain");
+			chain_trusted = 1;
+		}
+	}
+
+	if (!chain_trusted) {
+		wpa_printf(MSG_DEBUG, "X509: Did not find any of the issuers "
+			   "from the list of trusted certificates");
+		if (trusted) {
+			*reason = X509_VALIDATE_UNKNOWN_CA;
+			return -1;
+		}
+		wpa_printf(MSG_DEBUG, "X509: Certificate chain validation "
+			   "disabled - ignore unknown CA issue");
+	}
+
+	wpa_printf(MSG_DEBUG, "X509: Certificate chain valid");
+
+	return 0;
+}
+
+
+/**
+ * x509_certificate_get_subject - Get a certificate based on Subject name
+ * @chain: Certificate chain to search through
+ * @name: Subject name to search for
+ * Returns: Pointer to the certificate with the given Subject name or
+ * %NULL on failure
+ */
+struct x509_certificate *
+x509_certificate_get_subject(struct x509_certificate *chain,
+			     struct x509_name *name)
+{
+	struct x509_certificate *cert;
+
+	for (cert = chain; cert; cert = cert->next) {
+		if (x509_name_compare(&cert->subject, name) == 0)
+			return cert;
+	}
+	return NULL;
+}
+
+
+/**
+ * x509_certificate_self_signed - Is the certificate self-signed?
+ * @cert: Certificate
+ * Returns: 1 if certificate is self-signed, 0 if not
+ */
+int x509_certificate_self_signed(struct x509_certificate *cert)
+{
+	return x509_name_compare(&cert->issuer, &cert->subject) == 0;
+}
diff --git a/src/tls/x509v3.h b/src/tls/x509v3.h
new file mode 100644
index 0000000..37292d7
--- /dev/null
+++ b/src/tls/x509v3.h
@@ -0,0 +1,129 @@
+/*
+ * X.509v3 certificate parsing and processing
+ * Copyright (c) 2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef X509V3_H
+#define X509V3_H
+
+#include "asn1.h"
+
+struct x509_algorithm_identifier {
+	struct asn1_oid oid;
+};
+
+struct x509_name_attr {
+	enum x509_name_attr_type {
+		X509_NAME_ATTR_NOT_USED,
+		X509_NAME_ATTR_DC,
+		X509_NAME_ATTR_CN,
+		X509_NAME_ATTR_C,
+		X509_NAME_ATTR_L,
+		X509_NAME_ATTR_ST,
+		X509_NAME_ATTR_O,
+		X509_NAME_ATTR_OU
+	} type;
+	char *value;
+};
+
+#define X509_MAX_NAME_ATTRIBUTES 20
+
+struct x509_name {
+	struct x509_name_attr attr[X509_MAX_NAME_ATTRIBUTES];
+	size_t num_attr;
+	char *email; /* emailAddress */
+
+	/* from alternative name extension */
+	char *alt_email; /* rfc822Name */
+	char *dns; /* dNSName */
+	char *uri; /* uniformResourceIdentifier */
+	u8 *ip; /* iPAddress */
+	size_t ip_len; /* IPv4: 4, IPv6: 16 */
+	struct asn1_oid rid; /* registeredID */
+};
+
+struct x509_certificate {
+	struct x509_certificate *next;
+	enum { X509_CERT_V1 = 0, X509_CERT_V2 = 1, X509_CERT_V3 = 2 } version;
+	unsigned long serial_number;
+	struct x509_algorithm_identifier signature;
+	struct x509_name issuer;
+	struct x509_name subject;
+	os_time_t not_before;
+	os_time_t not_after;
+	struct x509_algorithm_identifier public_key_alg;
+	u8 *public_key;
+	size_t public_key_len;
+	struct x509_algorithm_identifier signature_alg;
+	u8 *sign_value;
+	size_t sign_value_len;
+
+	/* Extensions */
+	unsigned int extensions_present;
+#define X509_EXT_BASIC_CONSTRAINTS		(1 << 0)
+#define X509_EXT_PATH_LEN_CONSTRAINT		(1 << 1)
+#define X509_EXT_KEY_USAGE			(1 << 2)
+#define X509_EXT_SUBJECT_ALT_NAME		(1 << 3)
+#define X509_EXT_ISSUER_ALT_NAME		(1 << 4)
+
+	/* BasicConstraints */
+	int ca; /* cA */
+	unsigned long path_len_constraint; /* pathLenConstraint */
+
+	/* KeyUsage */
+	unsigned long key_usage;
+#define X509_KEY_USAGE_DIGITAL_SIGNATURE	(1 << 0)
+#define X509_KEY_USAGE_NON_REPUDIATION		(1 << 1)
+#define X509_KEY_USAGE_KEY_ENCIPHERMENT		(1 << 2)
+#define X509_KEY_USAGE_DATA_ENCIPHERMENT	(1 << 3)
+#define X509_KEY_USAGE_KEY_AGREEMENT		(1 << 4)
+#define X509_KEY_USAGE_KEY_CERT_SIGN		(1 << 5)
+#define X509_KEY_USAGE_CRL_SIGN			(1 << 6)
+#define X509_KEY_USAGE_ENCIPHER_ONLY		(1 << 7)
+#define X509_KEY_USAGE_DECIPHER_ONLY		(1 << 8)
+
+	/*
+	 * The DER format certificate follows struct x509_certificate. These
+	 * pointers point to that buffer.
+	 */
+	const u8 *cert_start;
+	size_t cert_len;
+	const u8 *tbs_cert_start;
+	size_t tbs_cert_len;
+};
+
+enum {
+	X509_VALIDATE_OK,
+	X509_VALIDATE_BAD_CERTIFICATE,
+	X509_VALIDATE_UNSUPPORTED_CERTIFICATE,
+	X509_VALIDATE_CERTIFICATE_REVOKED,
+	X509_VALIDATE_CERTIFICATE_EXPIRED,
+	X509_VALIDATE_CERTIFICATE_UNKNOWN,
+	X509_VALIDATE_UNKNOWN_CA
+};
+
+void x509_certificate_free(struct x509_certificate *cert);
+struct x509_certificate * x509_certificate_parse(const u8 *buf, size_t len);
+void x509_name_string(struct x509_name *name, char *buf, size_t len);
+int x509_name_compare(struct x509_name *a, struct x509_name *b);
+void x509_certificate_chain_free(struct x509_certificate *cert);
+int x509_certificate_check_signature(struct x509_certificate *issuer,
+				     struct x509_certificate *cert);
+int x509_certificate_chain_validate(struct x509_certificate *trusted,
+				    struct x509_certificate *chain,
+				    int *reason);
+struct x509_certificate *
+x509_certificate_get_subject(struct x509_certificate *chain,
+			     struct x509_name *name);
+int x509_certificate_self_signed(struct x509_certificate *cert);
+
+#endif /* X509V3_H */
diff --git a/src/utils/.gitignore b/src/utils/.gitignore
new file mode 100644
index 0000000..833734f
--- /dev/null
+++ b/src/utils/.gitignore
@@ -0,0 +1 @@
+libutils.a
diff --git a/src/utils/Makefile b/src/utils/Makefile
new file mode 100644
index 0000000..0f1f191
--- /dev/null
+++ b/src/utils/Makefile
@@ -0,0 +1,39 @@
+all: libutils.a
+
+clean:
+	rm -f *~ *.o *.d libutils.a
+
+install:
+	@echo Nothing to be made.
+
+
+include ../lib.rules
+
+#CFLAGS += -DWPA_TRACE
+CFLAGS += -DCONFIG_IPV6
+
+LIB_OBJS= \
+	base64.o \
+	common.o \
+	ip_addr.o \
+	radiotap.o \
+	trace.o \
+	uuid.o \
+	wpa_debug.o \
+	wpabuf.o
+
+# Pick correct OS wrapper implementation
+LIB_OBJS += os_unix.o
+
+# Pick correct event loop implementation
+LIB_OBJS += eloop.o
+
+# Pick correct edit implementation
+LIB_OBJS += edit.o
+
+#LIB_OBJS += pcsc_funcs.o
+
+libutils.a: $(LIB_OBJS)
+	$(AR) crT $@ $?
+
+-include $(OBJS:%.o=%.d)
diff --git a/src/utils/base64.c b/src/utils/base64.c
new file mode 100644
index 0000000..155bfce
--- /dev/null
+++ b/src/utils/base64.c
@@ -0,0 +1,154 @@
+/*
+ * Base64 encoding/decoding (RFC1341)
+ * Copyright (c) 2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "os.h"
+#include "base64.h"
+
+static const unsigned char base64_table[65] =
+	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+/**
+ * base64_encode - Base64 encode
+ * @src: Data to be encoded
+ * @len: Length of the data to be encoded
+ * @out_len: Pointer to output length variable, or %NULL if not used
+ * Returns: Allocated buffer of out_len bytes of encoded data,
+ * or %NULL on failure
+ *
+ * Caller is responsible for freeing the returned buffer. Returned buffer is
+ * nul terminated to make it easier to use as a C string. The nul terminator is
+ * not included in out_len.
+ */
+unsigned char * base64_encode(const unsigned char *src, size_t len,
+			      size_t *out_len)
+{
+	unsigned char *out, *pos;
+	const unsigned char *end, *in;
+	size_t olen;
+	int line_len;
+
+	olen = len * 4 / 3 + 4; /* 3-byte blocks to 4-byte */
+	olen += olen / 72; /* line feeds */
+	olen++; /* nul termination */
+	if (olen < len)
+		return NULL; /* integer overflow */
+	out = os_malloc(olen);
+	if (out == NULL)
+		return NULL;
+
+	end = src + len;
+	in = src;
+	pos = out;
+	line_len = 0;
+	while (end - in >= 3) {
+		*pos++ = base64_table[in[0] >> 2];
+		*pos++ = base64_table[((in[0] & 0x03) << 4) | (in[1] >> 4)];
+		*pos++ = base64_table[((in[1] & 0x0f) << 2) | (in[2] >> 6)];
+		*pos++ = base64_table[in[2] & 0x3f];
+		in += 3;
+		line_len += 4;
+		if (line_len >= 72) {
+			*pos++ = '\n';
+			line_len = 0;
+		}
+	}
+
+	if (end - in) {
+		*pos++ = base64_table[in[0] >> 2];
+		if (end - in == 1) {
+			*pos++ = base64_table[(in[0] & 0x03) << 4];
+			*pos++ = '=';
+		} else {
+			*pos++ = base64_table[((in[0] & 0x03) << 4) |
+					      (in[1] >> 4)];
+			*pos++ = base64_table[(in[1] & 0x0f) << 2];
+		}
+		*pos++ = '=';
+		line_len += 4;
+	}
+
+	if (line_len)
+		*pos++ = '\n';
+
+	*pos = '\0';
+	if (out_len)
+		*out_len = pos - out;
+	return out;
+}
+
+
+/**
+ * base64_decode - Base64 decode
+ * @src: Data to be decoded
+ * @len: Length of the data to be decoded
+ * @out_len: Pointer to output length variable
+ * Returns: Allocated buffer of out_len bytes of decoded data,
+ * or %NULL on failure
+ *
+ * Caller is responsible for freeing the returned buffer.
+ */
+unsigned char * base64_decode(const unsigned char *src, size_t len,
+			      size_t *out_len)
+{
+	unsigned char dtable[256], *out, *pos, in[4], block[4], tmp;
+	size_t i, count, olen;
+
+	os_memset(dtable, 0x80, 256);
+	for (i = 0; i < sizeof(base64_table) - 1; i++)
+		dtable[base64_table[i]] = (unsigned char) i;
+	dtable['='] = 0;
+
+	count = 0;
+	for (i = 0; i < len; i++) {
+		if (dtable[src[i]] != 0x80)
+			count++;
+	}
+
+	if (count == 0 || count % 4)
+		return NULL;
+
+	olen = count / 4 * 3;
+	pos = out = os_malloc(olen);
+	if (out == NULL)
+		return NULL;
+
+	count = 0;
+	for (i = 0; i < len; i++) {
+		tmp = dtable[src[i]];
+		if (tmp == 0x80)
+			continue;
+
+		in[count] = src[i];
+		block[count] = tmp;
+		count++;
+		if (count == 4) {
+			*pos++ = (block[0] << 2) | (block[1] >> 4);
+			*pos++ = (block[1] << 4) | (block[2] >> 2);
+			*pos++ = (block[2] << 6) | block[3];
+			count = 0;
+		}
+	}
+
+	if (pos > out) {
+		if (in[2] == '=')
+			pos -= 2;
+		else if (in[3] == '=')
+			pos--;
+	}
+
+	*out_len = pos - out;
+	return out;
+}
diff --git a/src/utils/base64.h b/src/utils/base64.h
new file mode 100644
index 0000000..b87a168
--- /dev/null
+++ b/src/utils/base64.h
@@ -0,0 +1,23 @@
+/*
+ * Base64 encoding/decoding (RFC1341)
+ * Copyright (c) 2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef BASE64_H
+#define BASE64_H
+
+unsigned char * base64_encode(const unsigned char *src, size_t len,
+			      size_t *out_len);
+unsigned char * base64_decode(const unsigned char *src, size_t len,
+			      size_t *out_len);
+
+#endif /* BASE64_H */
diff --git a/src/utils/build_config.h b/src/utils/build_config.h
new file mode 100644
index 0000000..3666778
--- /dev/null
+++ b/src/utils/build_config.h
@@ -0,0 +1,105 @@
+/*
+ * wpa_supplicant/hostapd - Build time configuration defines
+ * Copyright (c) 2005-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This header file can be used to define configuration defines that were
+ * originally defined in Makefile. This is mainly meant for IDE use or for
+ * systems that do not have suitable 'make' tool. In these cases, it may be
+ * easier to have a single place for defining all the needed C pre-processor
+ * defines.
+ */
+
+#ifndef BUILD_CONFIG_H
+#define BUILD_CONFIG_H
+
+/* Insert configuration defines, e.g., #define EAP_MD5, here, if needed. */
+
+#ifdef CONFIG_WIN32_DEFAULTS
+#define CONFIG_NATIVE_WINDOWS
+#define CONFIG_ANSI_C_EXTRA
+#define CONFIG_WINPCAP
+#define IEEE8021X_EAPOL
+#define PKCS12_FUNCS
+#define PCSC_FUNCS
+#define CONFIG_CTRL_IFACE
+#define CONFIG_CTRL_IFACE_NAMED_PIPE
+#define CONFIG_DRIVER_NDIS
+#define CONFIG_NDIS_EVENTS_INTEGRATED
+#define CONFIG_DEBUG_FILE
+#define EAP_MD5
+#define EAP_TLS
+#define EAP_MSCHAPv2
+#define EAP_PEAP
+#define EAP_TTLS
+#define EAP_GTC
+#define EAP_OTP
+#define EAP_LEAP
+#define EAP_TNC
+#define _CRT_SECURE_NO_DEPRECATE
+
+#ifdef USE_INTERNAL_CRYPTO
+#define CONFIG_TLS_INTERNAL_CLIENT
+#define CONFIG_INTERNAL_LIBTOMMATH
+#define CONFIG_CRYPTO_INTERNAL
+#endif /* USE_INTERNAL_CRYPTO */
+#endif /* CONFIG_WIN32_DEFAULTS */
+
+#ifdef __SYMBIAN32__
+#define OS_NO_C_LIB_DEFINES
+#define CONFIG_ANSI_C_EXTRA
+#define CONFIG_NO_WPA_MSG
+#define CONFIG_NO_HOSTAPD_LOGGER
+#define CONFIG_NO_STDOUT_DEBUG
+#define CONFIG_BACKEND_FILE
+#define CONFIG_INTERNAL_LIBTOMMATH
+#define CONFIG_CRYPTO_INTERNAL
+#define IEEE8021X_EAPOL
+#define PKCS12_FUNCS
+#define EAP_MD5
+#define EAP_TLS
+#define EAP_MSCHAPv2
+#define EAP_PEAP
+#define EAP_TTLS
+#define EAP_GTC
+#define EAP_OTP
+#define EAP_LEAP
+#define EAP_FAST
+#endif /* __SYMBIAN32__ */
+
+#ifdef CONFIG_XCODE_DEFAULTS
+#define CONFIG_DRIVER_OSX
+#define CONFIG_BACKEND_FILE
+#define IEEE8021X_EAPOL
+#define PKCS12_FUNCS
+#define CONFIG_CTRL_IFACE
+#define CONFIG_CTRL_IFACE_UNIX
+#define CONFIG_DEBUG_FILE
+#define EAP_MD5
+#define EAP_TLS
+#define EAP_MSCHAPv2
+#define EAP_PEAP
+#define EAP_TTLS
+#define EAP_GTC
+#define EAP_OTP
+#define EAP_LEAP
+#define EAP_TNC
+#define CONFIG_WPS
+#define EAP_WSC
+
+#ifdef USE_INTERNAL_CRYPTO
+#define CONFIG_TLS_INTERNAL_CLIENT
+#define CONFIG_INTERNAL_LIBTOMMATH
+#define CONFIG_CRYPTO_INTERNAL
+#endif /* USE_INTERNAL_CRYPTO */
+#endif /* CONFIG_XCODE_DEFAULTS */
+
+#endif /* BUILD_CONFIG_H */
diff --git a/src/utils/common.c b/src/utils/common.c
new file mode 100644
index 0000000..89eca1c
--- /dev/null
+++ b/src/utils/common.c
@@ -0,0 +1,387 @@
+/*
+ * wpa_supplicant/hostapd / common helper functions, etc.
+ * Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+
+
+static int hex2num(char c)
+{
+	if (c >= '0' && c <= '9')
+		return c - '0';
+	if (c >= 'a' && c <= 'f')
+		return c - 'a' + 10;
+	if (c >= 'A' && c <= 'F')
+		return c - 'A' + 10;
+	return -1;
+}
+
+
+int hex2byte(const char *hex)
+{
+	int a, b;
+	a = hex2num(*hex++);
+	if (a < 0)
+		return -1;
+	b = hex2num(*hex++);
+	if (b < 0)
+		return -1;
+	return (a << 4) | b;
+}
+
+
+/**
+ * hwaddr_aton - Convert ASCII string to MAC address (colon-delimited format)
+ * @txt: MAC address as a string (e.g., "00:11:22:33:44:55")
+ * @addr: Buffer for the MAC address (ETH_ALEN = 6 bytes)
+ * Returns: 0 on success, -1 on failure (e.g., string not a MAC address)
+ */
+int hwaddr_aton(const char *txt, u8 *addr)
+{
+	int i;
+
+	for (i = 0; i < 6; i++) {
+		int a, b;
+
+		a = hex2num(*txt++);
+		if (a < 0)
+			return -1;
+		b = hex2num(*txt++);
+		if (b < 0)
+			return -1;
+		*addr++ = (a << 4) | b;
+		if (i < 5 && *txt++ != ':')
+			return -1;
+	}
+
+	return 0;
+}
+
+/**
+ * hwaddr_compact_aton - Convert ASCII string to MAC address (no colon delimitors format)
+ * @txt: MAC address as a string (e.g., "001122334455")
+ * @addr: Buffer for the MAC address (ETH_ALEN = 6 bytes)
+ * Returns: 0 on success, -1 on failure (e.g., string not a MAC address)
+ */
+int hwaddr_compact_aton(const char *txt, u8 *addr)
+{
+	int i;
+
+	for (i = 0; i < 6; i++) {
+		int a, b;
+
+		a = hex2num(*txt++);
+		if (a < 0)
+			return -1;
+		b = hex2num(*txt++);
+		if (b < 0)
+			return -1;
+		*addr++ = (a << 4) | b;
+	}
+
+	return 0;
+}
+
+/**
+ * hwaddr_aton2 - Convert ASCII string to MAC address (in any known format)
+ * @txt: MAC address as a string (e.g., 00:11:22:33:44:55 or 0011.2233.4455)
+ * @addr: Buffer for the MAC address (ETH_ALEN = 6 bytes)
+ * Returns: Characters used (> 0) on success, -1 on failure
+ */
+int hwaddr_aton2(const char *txt, u8 *addr)
+{
+	int i;
+	const char *pos = txt;
+
+	for (i = 0; i < 6; i++) {
+		int a, b;
+
+		while (*pos == ':' || *pos == '.' || *pos == '-')
+			pos++;
+
+		a = hex2num(*pos++);
+		if (a < 0)
+			return -1;
+		b = hex2num(*pos++);
+		if (b < 0)
+			return -1;
+		*addr++ = (a << 4) | b;
+	}
+
+	return pos - txt;
+}
+
+
+/**
+ * hexstr2bin - Convert ASCII hex string into binary data
+ * @hex: ASCII hex string (e.g., "01ab")
+ * @buf: Buffer for the binary data
+ * @len: Length of the text to convert in bytes (of buf); hex will be double
+ * this size
+ * Returns: 0 on success, -1 on failure (invalid hex string)
+ */
+int hexstr2bin(const char *hex, u8 *buf, size_t len)
+{
+	size_t i;
+	int a;
+	const char *ipos = hex;
+	u8 *opos = buf;
+
+	for (i = 0; i < len; i++) {
+		a = hex2byte(ipos);
+		if (a < 0)
+			return -1;
+		*opos++ = a;
+		ipos += 2;
+	}
+	return 0;
+}
+
+
+/**
+ * inc_byte_array - Increment arbitrary length byte array by one
+ * @counter: Pointer to byte array
+ * @len: Length of the counter in bytes
+ *
+ * This function increments the last byte of the counter by one and continues
+ * rolling over to more significant bytes if the byte was incremented from
+ * 0xff to 0x00.
+ */
+void inc_byte_array(u8 *counter, size_t len)
+{
+	int pos = len - 1;
+	while (pos >= 0) {
+		counter[pos]++;
+		if (counter[pos] != 0)
+			break;
+		pos--;
+	}
+}
+
+
+void wpa_get_ntp_timestamp(u8 *buf)
+{
+	struct os_time now;
+	u32 sec, usec;
+	be32 tmp;
+
+	/* 64-bit NTP timestamp (time from 1900-01-01 00:00:00) */
+	os_get_time(&now);
+	sec = now.sec + 2208988800U; /* Epoch to 1900 */
+	/* Estimate 2^32/10^6 = 4295 - 1/32 - 1/512 */
+	usec = now.usec;
+	usec = 4295 * usec - (usec >> 5) - (usec >> 9);
+	tmp = host_to_be32(sec);
+	os_memcpy(buf, (u8 *) &tmp, 4);
+	tmp = host_to_be32(usec);
+	os_memcpy(buf + 4, (u8 *) &tmp, 4);
+}
+
+
+static inline int _wpa_snprintf_hex(char *buf, size_t buf_size, const u8 *data,
+				    size_t len, int uppercase)
+{
+	size_t i;
+	char *pos = buf, *end = buf + buf_size;
+	int ret;
+	if (buf_size == 0)
+		return 0;
+	for (i = 0; i < len; i++) {
+		ret = os_snprintf(pos, end - pos, uppercase ? "%02X" : "%02x",
+				  data[i]);
+		if (ret < 0 || ret >= end - pos) {
+			end[-1] = '\0';
+			return pos - buf;
+		}
+		pos += ret;
+	}
+	end[-1] = '\0';
+	return pos - buf;
+}
+
+/**
+ * wpa_snprintf_hex - Print data as a hex string into a buffer
+ * @buf: Memory area to use as the output buffer
+ * @buf_size: Maximum buffer size in bytes (should be at least 2 * len + 1)
+ * @data: Data to be printed
+ * @len: Length of data in bytes
+ * Returns: Number of bytes written
+ */
+int wpa_snprintf_hex(char *buf, size_t buf_size, const u8 *data, size_t len)
+{
+	return _wpa_snprintf_hex(buf, buf_size, data, len, 0);
+}
+
+
+/**
+ * wpa_snprintf_hex_uppercase - Print data as a upper case hex string into buf
+ * @buf: Memory area to use as the output buffer
+ * @buf_size: Maximum buffer size in bytes (should be at least 2 * len + 1)
+ * @data: Data to be printed
+ * @len: Length of data in bytes
+ * Returns: Number of bytes written
+ */
+int wpa_snprintf_hex_uppercase(char *buf, size_t buf_size, const u8 *data,
+			       size_t len)
+{
+	return _wpa_snprintf_hex(buf, buf_size, data, len, 1);
+}
+
+
+#ifdef CONFIG_ANSI_C_EXTRA
+
+#ifdef _WIN32_WCE
+void perror(const char *s)
+{
+	wpa_printf(MSG_ERROR, "%s: GetLastError: %d",
+		   s, (int) GetLastError());
+}
+#endif /* _WIN32_WCE */
+
+
+int optind = 1;
+int optopt;
+char *optarg;
+
+int getopt(int argc, char *const argv[], const char *optstring)
+{
+	static int optchr = 1;
+	char *cp;
+
+	if (optchr == 1) {
+		if (optind >= argc) {
+			/* all arguments processed */
+			return EOF;
+		}
+
+		if (argv[optind][0] != '-' || argv[optind][1] == '\0') {
+			/* no option characters */
+			return EOF;
+		}
+	}
+
+	if (os_strcmp(argv[optind], "--") == 0) {
+		/* no more options */
+		optind++;
+		return EOF;
+	}
+
+	optopt = argv[optind][optchr];
+	cp = os_strchr(optstring, optopt);
+	if (cp == NULL || optopt == ':') {
+		if (argv[optind][++optchr] == '\0') {
+			optchr = 1;
+			optind++;
+		}
+		return '?';
+	}
+
+	if (cp[1] == ':') {
+		/* Argument required */
+		optchr = 1;
+		if (argv[optind][optchr + 1]) {
+			/* No space between option and argument */
+			optarg = &argv[optind++][optchr + 1];
+		} else if (++optind >= argc) {
+			/* option requires an argument */
+			return '?';
+		} else {
+			/* Argument in the next argv */
+			optarg = argv[optind++];
+		}
+	} else {
+		/* No argument */
+		if (argv[optind][++optchr] == '\0') {
+			optchr = 1;
+			optind++;
+		}
+		optarg = NULL;
+	}
+	return *cp;
+}
+#endif /* CONFIG_ANSI_C_EXTRA */
+
+
+#ifdef CONFIG_NATIVE_WINDOWS
+/**
+ * wpa_unicode2ascii_inplace - Convert unicode string into ASCII
+ * @str: Pointer to string to convert
+ *
+ * This function converts a unicode string to ASCII using the same
+ * buffer for output. If UNICODE is not set, the buffer is not
+ * modified.
+ */
+void wpa_unicode2ascii_inplace(TCHAR *str)
+{
+#ifdef UNICODE
+	char *dst = (char *) str;
+	while (*str)
+		*dst++ = (char) *str++;
+	*dst = '\0';
+#endif /* UNICODE */
+}
+
+
+TCHAR * wpa_strdup_tchar(const char *str)
+{
+#ifdef UNICODE
+	TCHAR *buf;
+	buf = os_malloc((strlen(str) + 1) * sizeof(TCHAR));
+	if (buf == NULL)
+		return NULL;
+	wsprintf(buf, L"%S", str);
+	return buf;
+#else /* UNICODE */
+	return os_strdup(str);
+#endif /* UNICODE */
+}
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+
+/**
+ * wpa_ssid_txt - Convert SSID to a printable string
+ * @ssid: SSID (32-octet string)
+ * @ssid_len: Length of ssid in octets
+ * Returns: Pointer to a printable string
+ *
+ * This function can be used to convert SSIDs into printable form. In most
+ * cases, SSIDs do not use unprintable characters, but IEEE 802.11 standard
+ * does not limit the used character set, so anything could be used in an SSID.
+ *
+ * This function uses a static buffer, so only one call can be used at the
+ * time, i.e., this is not re-entrant and the returned buffer must be used
+ * before calling this again.
+ */
+const char * wpa_ssid_txt(const u8 *ssid, size_t ssid_len)
+{
+	static char ssid_txt[33];
+	char *pos;
+
+	if (ssid_len > 32)
+		ssid_len = 32;
+	os_memcpy(ssid_txt, ssid, ssid_len);
+	ssid_txt[ssid_len] = '\0';
+	for (pos = ssid_txt; *pos != '\0'; pos++) {
+		if ((u8) *pos < 32 || (u8) *pos >= 127)
+			*pos = '_';
+	}
+	return ssid_txt;
+}
+
+
+void * __hide_aliasing_typecast(void *foo)
+{
+	return foo;
+}
diff --git a/src/utils/common.h b/src/utils/common.h
new file mode 100644
index 0000000..14ab297
--- /dev/null
+++ b/src/utils/common.h
@@ -0,0 +1,502 @@
+/*
+ * wpa_supplicant/hostapd / common helper functions, etc.
+ * Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef COMMON_H
+#define COMMON_H
+
+#include "os.h"
+
+#if defined(__linux__) || defined(__GLIBC__)
+#include <endian.h>
+#include <byteswap.h>
+#endif /* __linux__ */
+
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || \
+    defined(__OpenBSD__)
+#include <sys/types.h>
+#include <sys/endian.h>
+#define __BYTE_ORDER	_BYTE_ORDER
+#define	__LITTLE_ENDIAN	_LITTLE_ENDIAN
+#define	__BIG_ENDIAN	_BIG_ENDIAN
+#ifdef __OpenBSD__
+#define bswap_16 swap16
+#define bswap_32 swap32
+#define bswap_64 swap64
+#else /* __OpenBSD__ */
+#define bswap_16 bswap16
+#define bswap_32 bswap32
+#define bswap_64 bswap64
+#endif /* __OpenBSD__ */
+#endif /* defined(__FreeBSD__) || defined(__NetBSD__) ||
+	* defined(__DragonFly__) || defined(__OpenBSD__) */
+
+#ifdef __APPLE__
+#include <sys/types.h>
+#include <machine/endian.h>
+#define __BYTE_ORDER	_BYTE_ORDER
+#define __LITTLE_ENDIAN	_LITTLE_ENDIAN
+#define __BIG_ENDIAN	_BIG_ENDIAN
+static inline unsigned short bswap_16(unsigned short v)
+{
+	return ((v & 0xff) << 8) | (v >> 8);
+}
+
+static inline unsigned int bswap_32(unsigned int v)
+{
+	return ((v & 0xff) << 24) | ((v & 0xff00) << 8) |
+		((v & 0xff0000) >> 8) | (v >> 24);
+}
+#endif /* __APPLE__ */
+
+#ifdef CONFIG_TI_COMPILER
+#define __BIG_ENDIAN 4321
+#define __LITTLE_ENDIAN 1234
+#ifdef __big_endian__
+#define __BYTE_ORDER __BIG_ENDIAN
+#else
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+#endif /* CONFIG_TI_COMPILER */
+
+#ifdef __SYMBIAN32__
+#define __BIG_ENDIAN 4321
+#define __LITTLE_ENDIAN 1234
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#endif /* __SYMBIAN32__ */
+
+#ifdef CONFIG_NATIVE_WINDOWS
+#include <winsock.h>
+
+typedef int socklen_t;
+
+#ifndef MSG_DONTWAIT
+#define MSG_DONTWAIT 0 /* not supported */
+#endif
+
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+#ifdef _MSC_VER
+#define inline __inline
+
+#undef vsnprintf
+#define vsnprintf _vsnprintf
+#undef close
+#define close closesocket
+#endif /* _MSC_VER */
+
+
+/* Define platform specific integer types */
+
+#ifdef _MSC_VER
+typedef UINT64 u64;
+typedef UINT32 u32;
+typedef UINT16 u16;
+typedef UINT8 u8;
+typedef INT64 s64;
+typedef INT32 s32;
+typedef INT16 s16;
+typedef INT8 s8;
+#define WPA_TYPES_DEFINED
+#endif /* _MSC_VER */
+
+#ifdef __vxworks
+typedef unsigned long long u64;
+typedef UINT32 u32;
+typedef UINT16 u16;
+typedef UINT8 u8;
+typedef long long s64;
+typedef INT32 s32;
+typedef INT16 s16;
+typedef INT8 s8;
+#define WPA_TYPES_DEFINED
+#endif /* __vxworks */
+
+#ifdef CONFIG_TI_COMPILER
+#ifdef _LLONG_AVAILABLE
+typedef unsigned long long u64;
+#else
+/*
+ * TODO: 64-bit variable not available. Using long as a workaround to test the
+ * build, but this will likely not work for all operations.
+ */
+typedef unsigned long u64;
+#endif
+typedef unsigned int u32;
+typedef unsigned short u16;
+typedef unsigned char u8;
+#define WPA_TYPES_DEFINED
+#endif /* CONFIG_TI_COMPILER */
+
+#ifdef __SYMBIAN32__
+#define __REMOVE_PLATSEC_DIAGNOSTICS__
+#include <e32def.h>
+typedef TUint64 u64;
+typedef TUint32 u32;
+typedef TUint16 u16;
+typedef TUint8 u8;
+#define WPA_TYPES_DEFINED
+#endif /* __SYMBIAN32__ */
+
+#ifndef WPA_TYPES_DEFINED
+#ifdef CONFIG_USE_INTTYPES_H
+#include <inttypes.h>
+#else
+#include <stdint.h>
+#endif
+typedef uint64_t u64;
+typedef uint32_t u32;
+typedef uint16_t u16;
+typedef uint8_t u8;
+typedef int64_t s64;
+typedef int32_t s32;
+typedef int16_t s16;
+typedef int8_t s8;
+#define WPA_TYPES_DEFINED
+#endif /* !WPA_TYPES_DEFINED */
+
+
+/* Define platform specific byte swapping macros */
+
+#if defined(__CYGWIN__) || defined(CONFIG_NATIVE_WINDOWS)
+
+static inline unsigned short wpa_swap_16(unsigned short v)
+{
+	return ((v & 0xff) << 8) | (v >> 8);
+}
+
+static inline unsigned int wpa_swap_32(unsigned int v)
+{
+	return ((v & 0xff) << 24) | ((v & 0xff00) << 8) |
+		((v & 0xff0000) >> 8) | (v >> 24);
+}
+
+#define le_to_host16(n) (n)
+#define host_to_le16(n) (n)
+#define be_to_host16(n) wpa_swap_16(n)
+#define host_to_be16(n) wpa_swap_16(n)
+#define le_to_host32(n) (n)
+#define be_to_host32(n) wpa_swap_32(n)
+#define host_to_be32(n) wpa_swap_32(n)
+
+#define WPA_BYTE_SWAP_DEFINED
+
+#endif /* __CYGWIN__ || CONFIG_NATIVE_WINDOWS */
+
+
+#ifndef WPA_BYTE_SWAP_DEFINED
+
+#ifndef __BYTE_ORDER
+#ifndef __LITTLE_ENDIAN
+#ifndef __BIG_ENDIAN
+#define __LITTLE_ENDIAN 1234
+#define __BIG_ENDIAN 4321
+#if defined(sparc)
+#define __BYTE_ORDER __BIG_ENDIAN
+#endif
+#endif /* __BIG_ENDIAN */
+#endif /* __LITTLE_ENDIAN */
+#endif /* __BYTE_ORDER */
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define le_to_host16(n) ((__force u16) (le16) (n))
+#define host_to_le16(n) ((__force le16) (u16) (n))
+#define be_to_host16(n) bswap_16((__force u16) (be16) (n))
+#define host_to_be16(n) ((__force be16) bswap_16((n)))
+#define le_to_host32(n) ((__force u32) (le32) (n))
+#define host_to_le32(n) ((__force le32) (u32) (n))
+#define be_to_host32(n) bswap_32((__force u32) (be32) (n))
+#define host_to_be32(n) ((__force be32) bswap_32((n)))
+#define le_to_host64(n) ((__force u64) (le64) (n))
+#define host_to_le64(n) ((__force le64) (u64) (n))
+#define be_to_host64(n) bswap_64((__force u64) (be64) (n))
+#define host_to_be64(n) ((__force be64) bswap_64((n)))
+#elif __BYTE_ORDER == __BIG_ENDIAN
+#define le_to_host16(n) bswap_16(n)
+#define host_to_le16(n) bswap_16(n)
+#define be_to_host16(n) (n)
+#define host_to_be16(n) (n)
+#define le_to_host32(n) bswap_32(n)
+#define be_to_host32(n) (n)
+#define host_to_be32(n) (n)
+#define le_to_host64(n) bswap_64(n)
+#define host_to_le64(n) bswap_64(n)
+#define be_to_host64(n) (n)
+#define host_to_be64(n) (n)
+#ifndef WORDS_BIGENDIAN
+#define WORDS_BIGENDIAN
+#endif
+#else
+#error Could not determine CPU byte order
+#endif
+
+#define WPA_BYTE_SWAP_DEFINED
+#endif /* !WPA_BYTE_SWAP_DEFINED */
+
+
+/* Macros for handling unaligned memory accesses */
+
+#define WPA_GET_BE16(a) ((u16) (((a)[0] << 8) | (a)[1]))
+#define WPA_PUT_BE16(a, val)			\
+	do {					\
+		(a)[0] = ((u16) (val)) >> 8;	\
+		(a)[1] = ((u16) (val)) & 0xff;	\
+	} while (0)
+
+#define WPA_GET_LE16(a) ((u16) (((a)[1] << 8) | (a)[0]))
+#define WPA_PUT_LE16(a, val)			\
+	do {					\
+		(a)[1] = ((u16) (val)) >> 8;	\
+		(a)[0] = ((u16) (val)) & 0xff;	\
+	} while (0)
+
+#define WPA_GET_BE24(a) ((((u32) (a)[0]) << 16) | (((u32) (a)[1]) << 8) | \
+			 ((u32) (a)[2]))
+#define WPA_PUT_BE24(a, val)					\
+	do {							\
+		(a)[0] = (u8) ((((u32) (val)) >> 16) & 0xff);	\
+		(a)[1] = (u8) ((((u32) (val)) >> 8) & 0xff);	\
+		(a)[2] = (u8) (((u32) (val)) & 0xff);		\
+	} while (0)
+
+#define WPA_GET_BE32(a) ((((u32) (a)[0]) << 24) | (((u32) (a)[1]) << 16) | \
+			 (((u32) (a)[2]) << 8) | ((u32) (a)[3]))
+#define WPA_PUT_BE32(a, val)					\
+	do {							\
+		(a)[0] = (u8) ((((u32) (val)) >> 24) & 0xff);	\
+		(a)[1] = (u8) ((((u32) (val)) >> 16) & 0xff);	\
+		(a)[2] = (u8) ((((u32) (val)) >> 8) & 0xff);	\
+		(a)[3] = (u8) (((u32) (val)) & 0xff);		\
+	} while (0)
+
+#define WPA_GET_LE32(a) ((((u32) (a)[3]) << 24) | (((u32) (a)[2]) << 16) | \
+			 (((u32) (a)[1]) << 8) | ((u32) (a)[0]))
+#define WPA_PUT_LE32(a, val)					\
+	do {							\
+		(a)[3] = (u8) ((((u32) (val)) >> 24) & 0xff);	\
+		(a)[2] = (u8) ((((u32) (val)) >> 16) & 0xff);	\
+		(a)[1] = (u8) ((((u32) (val)) >> 8) & 0xff);	\
+		(a)[0] = (u8) (((u32) (val)) & 0xff);		\
+	} while (0)
+
+#define WPA_GET_BE64(a) ((((u64) (a)[0]) << 56) | (((u64) (a)[1]) << 48) | \
+			 (((u64) (a)[2]) << 40) | (((u64) (a)[3]) << 32) | \
+			 (((u64) (a)[4]) << 24) | (((u64) (a)[5]) << 16) | \
+			 (((u64) (a)[6]) << 8) | ((u64) (a)[7]))
+#define WPA_PUT_BE64(a, val)				\
+	do {						\
+		(a)[0] = (u8) (((u64) (val)) >> 56);	\
+		(a)[1] = (u8) (((u64) (val)) >> 48);	\
+		(a)[2] = (u8) (((u64) (val)) >> 40);	\
+		(a)[3] = (u8) (((u64) (val)) >> 32);	\
+		(a)[4] = (u8) (((u64) (val)) >> 24);	\
+		(a)[5] = (u8) (((u64) (val)) >> 16);	\
+		(a)[6] = (u8) (((u64) (val)) >> 8);	\
+		(a)[7] = (u8) (((u64) (val)) & 0xff);	\
+	} while (0)
+
+#define WPA_GET_LE64(a) ((((u64) (a)[7]) << 56) | (((u64) (a)[6]) << 48) | \
+			 (((u64) (a)[5]) << 40) | (((u64) (a)[4]) << 32) | \
+			 (((u64) (a)[3]) << 24) | (((u64) (a)[2]) << 16) | \
+			 (((u64) (a)[1]) << 8) | ((u64) (a)[0]))
+
+
+#ifndef ETH_ALEN
+#define ETH_ALEN 6
+#endif
+#ifndef IFNAMSIZ
+#define IFNAMSIZ 16
+#endif
+#ifndef ETH_P_ALL
+#define ETH_P_ALL 0x0003
+#endif
+#ifndef ETH_P_80211_ENCAP
+#define ETH_P_80211_ENCAP 0x890d /* TDLS comes under this category */
+#endif
+#ifndef ETH_P_PAE
+#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
+#endif /* ETH_P_PAE */
+#ifndef ETH_P_EAPOL
+#define ETH_P_EAPOL ETH_P_PAE
+#endif /* ETH_P_EAPOL */
+#ifndef ETH_P_RSN_PREAUTH
+#define ETH_P_RSN_PREAUTH 0x88c7
+#endif /* ETH_P_RSN_PREAUTH */
+#ifndef ETH_P_RRB
+#define ETH_P_RRB 0x890D
+#endif /* ETH_P_RRB */
+
+
+#ifdef __GNUC__
+#define PRINTF_FORMAT(a,b) __attribute__ ((format (printf, (a), (b))))
+#define STRUCT_PACKED __attribute__ ((packed))
+#else
+#define PRINTF_FORMAT(a,b)
+#define STRUCT_PACKED
+#endif
+
+
+#ifdef CONFIG_ANSI_C_EXTRA
+
+#if !defined(_MSC_VER) || _MSC_VER < 1400
+/* snprintf - used in number of places; sprintf() is _not_ a good replacement
+ * due to possible buffer overflow; see, e.g.,
+ * http://www.ijs.si/software/snprintf/ for portable implementation of
+ * snprintf. */
+int snprintf(char *str, size_t size, const char *format, ...);
+
+/* vsnprintf - only used for wpa_msg() in wpa_supplicant.c */
+int vsnprintf(char *str, size_t size, const char *format, va_list ap);
+#endif /* !defined(_MSC_VER) || _MSC_VER < 1400 */
+
+/* getopt - only used in main.c */
+int getopt(int argc, char *const argv[], const char *optstring);
+extern char *optarg;
+extern int optind;
+
+#ifndef CONFIG_NO_SOCKLEN_T_TYPEDEF
+#ifndef __socklen_t_defined
+typedef int socklen_t;
+#endif
+#endif
+
+/* inline - define as __inline or just define it to be empty, if needed */
+#ifdef CONFIG_NO_INLINE
+#define inline
+#else
+#define inline __inline
+#endif
+
+#ifndef __func__
+#define __func__ "__func__ not defined"
+#endif
+
+#ifndef bswap_16
+#define bswap_16(a) ((((u16) (a) << 8) & 0xff00) | (((u16) (a) >> 8) & 0xff))
+#endif
+
+#ifndef bswap_32
+#define bswap_32(a) ((((u32) (a) << 24) & 0xff000000) | \
+		     (((u32) (a) << 8) & 0xff0000) | \
+     		     (((u32) (a) >> 8) & 0xff00) | \
+     		     (((u32) (a) >> 24) & 0xff))
+#endif
+
+#ifndef MSG_DONTWAIT
+#define MSG_DONTWAIT 0
+#endif
+
+#ifdef _WIN32_WCE
+void perror(const char *s);
+#endif /* _WIN32_WCE */
+
+#endif /* CONFIG_ANSI_C_EXTRA */
+
+#ifndef MAC2STR
+#define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
+#define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x"
+
+/*
+ * Compact form for string representation of MAC address
+ * To be used, e.g., for constructing dbus paths for P2P Devices
+ */
+#define COMPACT_MACSTR "%02x%02x%02x%02x%02x%02x"
+#endif
+
+#ifndef BIT
+#define BIT(x) (1 << (x))
+#endif
+
+/*
+ * Definitions for sparse validation
+ * (http://kernel.org/pub/linux/kernel/people/josh/sparse/)
+ */
+#ifdef __CHECKER__
+#define __force __attribute__((force))
+#define __bitwise __attribute__((bitwise))
+#else
+#define __force
+#define __bitwise
+#endif
+
+typedef u16 __bitwise be16;
+typedef u16 __bitwise le16;
+typedef u32 __bitwise be32;
+typedef u32 __bitwise le32;
+typedef u64 __bitwise be64;
+typedef u64 __bitwise le64;
+
+#ifndef __must_check
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
+#define __must_check __attribute__((__warn_unused_result__))
+#else
+#define __must_check
+#endif /* __GNUC__ */
+#endif /* __must_check */
+
+int hwaddr_aton(const char *txt, u8 *addr);
+int hwaddr_compact_aton(const char *txt, u8 *addr);
+int hwaddr_aton2(const char *txt, u8 *addr);
+int hex2byte(const char *hex);
+int hexstr2bin(const char *hex, u8 *buf, size_t len);
+void inc_byte_array(u8 *counter, size_t len);
+void wpa_get_ntp_timestamp(u8 *buf);
+int wpa_snprintf_hex(char *buf, size_t buf_size, const u8 *data, size_t len);
+int wpa_snprintf_hex_uppercase(char *buf, size_t buf_size, const u8 *data,
+			       size_t len);
+
+#ifdef CONFIG_NATIVE_WINDOWS
+void wpa_unicode2ascii_inplace(TCHAR *str);
+TCHAR * wpa_strdup_tchar(const char *str);
+#else /* CONFIG_NATIVE_WINDOWS */
+#define wpa_unicode2ascii_inplace(s) do { } while (0)
+#define wpa_strdup_tchar(s) strdup((s))
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+const char * wpa_ssid_txt(const u8 *ssid, size_t ssid_len);
+
+static inline int is_zero_ether_addr(const u8 *a)
+{
+	return !(a[0] | a[1] | a[2] | a[3] | a[4] | a[5]);
+}
+
+static inline int is_broadcast_ether_addr(const u8 *a)
+{
+	return (a[0] & a[1] & a[2] & a[3] & a[4] & a[5]) == 0xff;
+}
+
+#define broadcast_ether_addr (const u8 *) "\xff\xff\xff\xff\xff\xff"
+
+#include "wpa_debug.h"
+
+
+/*
+ * gcc 4.4 ends up generating strict-aliasing warnings about some very common
+ * networking socket uses that do not really result in a real problem and
+ * cannot be easily avoided with union-based type-punning due to struct
+ * definitions including another struct in system header files. To avoid having
+ * to fully disable strict-aliasing warnings, provide a mechanism to hide the
+ * typecast from aliasing for now. A cleaner solution will hopefully be found
+ * in the future to handle these cases.
+ */
+void * __hide_aliasing_typecast(void *foo);
+#define aliasing_hide_typecast(a,t) (t *) __hide_aliasing_typecast((a))
+
+#ifdef CONFIG_VALGRIND
+#include <valgrind/memcheck.h>
+#define WPA_MEM_DEFINED(ptr, len) VALGRIND_MAKE_MEM_DEFINED((ptr), (len))
+#else /* CONFIG_VALGRIND */
+#define WPA_MEM_DEFINED(ptr, len) do { } while (0)
+#endif /* CONFIG_VALGRIND */
+
+#endif /* COMMON_H */
diff --git a/src/utils/edit.c b/src/utils/edit.c
new file mode 100644
index 0000000..8f9e4ed
--- /dev/null
+++ b/src/utils/edit.c
@@ -0,0 +1,1161 @@
+/*
+ * Command line editing and history
+ * Copyright (c) 2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <termios.h>
+
+#include "common.h"
+#include "eloop.h"
+#include "list.h"
+#include "edit.h"
+
+#define CMD_BUF_LEN 256
+static char cmdbuf[CMD_BUF_LEN];
+static int cmdbuf_pos = 0;
+static int cmdbuf_len = 0;
+
+#define HISTORY_MAX 100
+
+struct edit_history {
+	struct dl_list list;
+	char str[1];
+};
+
+static struct dl_list history_list;
+static struct edit_history *history_curr;
+
+static void *edit_cb_ctx;
+static void (*edit_cmd_cb)(void *ctx, char *cmd);
+static void (*edit_eof_cb)(void *ctx);
+static char ** (*edit_completion_cb)(void *ctx, const char *cmd, int pos) =
+	NULL;
+
+static struct termios prevt, newt;
+
+
+#define CLEAR_END_LINE "\e[K"
+
+
+void edit_clear_line(void)
+{
+	int i;
+	putchar('\r');
+	for (i = 0; i < cmdbuf_len + 2; i++)
+		putchar(' ');
+}
+
+
+static void move_start(void)
+{
+	cmdbuf_pos = 0;
+	edit_redraw();
+}
+
+
+static void move_end(void)
+{
+	cmdbuf_pos = cmdbuf_len;
+	edit_redraw();
+}
+
+
+static void move_left(void)
+{
+	if (cmdbuf_pos > 0) {
+		cmdbuf_pos--;
+		edit_redraw();
+	}
+}
+
+
+static void move_right(void)
+{
+	if (cmdbuf_pos < cmdbuf_len) {
+		cmdbuf_pos++;
+		edit_redraw();
+	}
+}
+
+
+static void move_word_left(void)
+{
+	while (cmdbuf_pos > 0 && cmdbuf[cmdbuf_pos - 1] == ' ')
+		cmdbuf_pos--;
+	while (cmdbuf_pos > 0 && cmdbuf[cmdbuf_pos - 1] != ' ')
+		cmdbuf_pos--;
+	edit_redraw();
+}
+
+
+static void move_word_right(void)
+{
+	while (cmdbuf_pos < cmdbuf_len && cmdbuf[cmdbuf_pos] == ' ')
+		cmdbuf_pos++;
+	while (cmdbuf_pos < cmdbuf_len && cmdbuf[cmdbuf_pos] != ' ')
+		cmdbuf_pos++;
+	edit_redraw();
+}
+
+
+static void delete_left(void)
+{
+	if (cmdbuf_pos == 0)
+		return;
+
+	edit_clear_line();
+	os_memmove(cmdbuf + cmdbuf_pos - 1, cmdbuf + cmdbuf_pos,
+		   cmdbuf_len - cmdbuf_pos);
+	cmdbuf_pos--;
+	cmdbuf_len--;
+	edit_redraw();
+}
+
+
+static void delete_current(void)
+{
+	if (cmdbuf_pos == cmdbuf_len)
+		return;
+
+	edit_clear_line();
+	os_memmove(cmdbuf + cmdbuf_pos, cmdbuf + cmdbuf_pos + 1,
+		   cmdbuf_len - cmdbuf_pos);
+	cmdbuf_len--;
+	edit_redraw();
+}
+
+
+static void delete_word(void)
+{
+	int pos;
+
+	edit_clear_line();
+	pos = cmdbuf_pos;
+	while (pos > 0 && cmdbuf[pos - 1] == ' ')
+		pos--;
+	while (pos > 0 && cmdbuf[pos - 1] != ' ')
+		pos--;
+	os_memmove(cmdbuf + pos, cmdbuf + cmdbuf_pos, cmdbuf_len - cmdbuf_pos);
+	cmdbuf_len -= cmdbuf_pos - pos;
+	cmdbuf_pos = pos;
+	edit_redraw();
+}
+
+
+static void clear_left(void)
+{
+	if (cmdbuf_pos == 0)
+		return;
+
+	edit_clear_line();
+	os_memmove(cmdbuf, cmdbuf + cmdbuf_pos, cmdbuf_len - cmdbuf_pos);
+	cmdbuf_len -= cmdbuf_pos;
+	cmdbuf_pos = 0;
+	edit_redraw();
+}
+
+
+static void clear_right(void)
+{
+	if (cmdbuf_pos == cmdbuf_len)
+		return;
+
+	edit_clear_line();
+	cmdbuf_len = cmdbuf_pos;
+	edit_redraw();
+}
+
+
+static void history_add(const char *str)
+{
+	struct edit_history *h, *match = NULL, *last = NULL;
+	size_t len, count = 0;
+
+	if (str[0] == '\0')
+		return;
+
+	dl_list_for_each(h, &history_list, struct edit_history, list) {
+		if (os_strcmp(str, h->str) == 0) {
+			match = h;
+			break;
+		}
+		last = h;
+		count++;
+	}
+
+	if (match) {
+		dl_list_del(&h->list);
+		dl_list_add(&history_list, &h->list);
+		history_curr = h;
+		return;
+	}
+
+	if (count >= HISTORY_MAX && last) {
+		dl_list_del(&last->list);
+		os_free(last);
+	}
+
+	len = os_strlen(str);
+	h = os_zalloc(sizeof(*h) + len);
+	if (h == NULL)
+		return;
+	dl_list_add(&history_list, &h->list);
+	os_strlcpy(h->str, str, len + 1);
+	history_curr = h;
+}
+
+
+static void history_use(void)
+{
+	edit_clear_line();
+	cmdbuf_len = cmdbuf_pos = os_strlen(history_curr->str);
+	os_memcpy(cmdbuf, history_curr->str, cmdbuf_len);
+	edit_redraw();
+}
+
+
+static void history_prev(void)
+{
+	if (history_curr == NULL)
+		return;
+
+	if (history_curr ==
+	    dl_list_first(&history_list, struct edit_history, list)) {
+		cmdbuf[cmdbuf_len] = '\0';
+		history_add(cmdbuf);
+	}
+
+	history_use();
+
+	if (history_curr ==
+	    dl_list_last(&history_list, struct edit_history, list))
+		return;
+
+	history_curr = dl_list_entry(history_curr->list.next,
+				     struct edit_history, list);
+}
+
+
+static void history_next(void)
+{
+	if (history_curr == NULL ||
+	    history_curr ==
+	    dl_list_first(&history_list, struct edit_history, list))
+		return;
+
+	history_curr = dl_list_entry(history_curr->list.prev,
+				     struct edit_history, list);
+	history_use();
+}
+
+
+static void history_read(const char *fname)
+{
+	FILE *f;
+	char buf[CMD_BUF_LEN], *pos;
+
+	f = fopen(fname, "r");
+	if (f == NULL)
+		return;
+
+	while (fgets(buf, CMD_BUF_LEN, f)) {
+		for (pos = buf; *pos; pos++) {
+			if (*pos == '\r' || *pos == '\n') {
+				*pos = '\0';
+				break;
+			}
+		}
+		history_add(buf);
+	}
+
+	fclose(f);
+}
+
+
+static void history_write(const char *fname,
+			  int (*filter_cb)(void *ctx, const char *cmd))
+{
+	FILE *f;
+	struct edit_history *h;
+
+	f = fopen(fname, "w");
+	if (f == NULL)
+		return;
+
+	dl_list_for_each_reverse(h, &history_list, struct edit_history, list) {
+		if (filter_cb && filter_cb(edit_cb_ctx, h->str))
+			continue;
+		fprintf(f, "%s\n", h->str);
+	}
+
+	fclose(f);
+}
+
+
+static void history_debug_dump(void)
+{
+	struct edit_history *h;
+	edit_clear_line();
+	printf("\r");
+	dl_list_for_each_reverse(h, &history_list, struct edit_history, list)
+		printf("%s%s\n", h == history_curr ? "[C]" : "", h->str);
+	edit_redraw();
+}
+
+
+static void insert_char(int c)
+{
+	if (cmdbuf_len >= (int) sizeof(cmdbuf) - 1)
+		return;
+	if (cmdbuf_len == cmdbuf_pos) {
+		cmdbuf[cmdbuf_pos++] = c;
+		cmdbuf_len++;
+		putchar(c);
+		fflush(stdout);
+	} else {
+		os_memmove(cmdbuf + cmdbuf_pos + 1, cmdbuf + cmdbuf_pos,
+			   cmdbuf_len - cmdbuf_pos);
+		cmdbuf[cmdbuf_pos++] = c;
+		cmdbuf_len++;
+		edit_redraw();
+	}
+}
+
+
+static void process_cmd(void)
+{
+
+	if (cmdbuf_len == 0) {
+		printf("\n> ");
+		fflush(stdout);
+		return;
+	}
+	printf("\n");
+	cmdbuf[cmdbuf_len] = '\0';
+	history_add(cmdbuf);
+	cmdbuf_pos = 0;
+	cmdbuf_len = 0;
+	edit_cmd_cb(edit_cb_ctx, cmdbuf);
+	printf("> ");
+	fflush(stdout);
+}
+
+
+static void free_completions(char **c)
+{
+	int i;
+	if (c == NULL)
+		return;
+	for (i = 0; c[i]; i++)
+		os_free(c[i]);
+	os_free(c);
+}
+
+
+static int filter_strings(char **c, char *str, size_t len)
+{
+	int i, j;
+
+	for (i = 0, j = 0; c[j]; j++) {
+		if (os_strncasecmp(c[j], str, len) == 0) {
+			if (i != j) {
+				c[i] = c[j];
+				c[j] = NULL;
+			}
+			i++;
+		} else {
+			os_free(c[j]);
+			c[j] = NULL;
+		}
+	}
+	c[i] = NULL;
+	return i;
+}
+
+
+static int common_len(const char *a, const char *b)
+{
+	int len = 0;
+	while (a[len] && a[len] == b[len])
+		len++;
+	return len;
+}
+
+
+static int max_common_length(char **c)
+{
+	int len, i;
+
+	len = os_strlen(c[0]);
+	for (i = 1; c[i]; i++) {
+		int same = common_len(c[0], c[i]);
+		if (same < len)
+			len = same;
+	}
+
+	return len;
+}
+
+
+static int cmp_str(const void *a, const void *b)
+{
+	return os_strcmp(* (const char **) a, * (const char **) b);
+}
+
+static void complete(int list)
+{
+	char **c;
+	int i, len, count;
+	int start, end;
+	int room, plen, add_space;
+
+	if (edit_completion_cb == NULL)
+		return;
+
+	cmdbuf[cmdbuf_len] = '\0';
+	c = edit_completion_cb(edit_cb_ctx, cmdbuf, cmdbuf_pos);
+	if (c == NULL)
+		return;
+
+	end = cmdbuf_pos;
+	start = end;
+	while (start > 0 && cmdbuf[start - 1] != ' ')
+		start--;
+	plen = end - start;
+
+	count = filter_strings(c, &cmdbuf[start], plen);
+	if (count == 0) {
+		free_completions(c);
+		return;
+	}
+
+	len = max_common_length(c);
+	if (len <= plen && count > 1) {
+		if (list) {
+			qsort(c, count, sizeof(char *), cmp_str);
+			edit_clear_line();
+			printf("\r");
+			for (i = 0; c[i]; i++)
+				printf("%s%s", i > 0 ? " " : "", c[i]);
+			printf("\n");
+			edit_redraw();
+		}
+		free_completions(c);
+		return;
+	}
+	len -= plen;
+
+	room = sizeof(cmdbuf) - 1 - cmdbuf_len;
+	if (room < len)
+		len = room;
+	add_space = count == 1 && len < room;
+
+	os_memmove(cmdbuf + cmdbuf_pos + len + add_space, cmdbuf + cmdbuf_pos,
+		   cmdbuf_len - cmdbuf_pos);
+	os_memcpy(&cmdbuf[cmdbuf_pos - plen], c[0], plen + len);
+	if (add_space)
+		cmdbuf[cmdbuf_pos + len] = ' ';
+
+	cmdbuf_pos += len + add_space;
+	cmdbuf_len += len + add_space;
+
+	edit_redraw();
+
+	free_completions(c);
+}
+
+
+enum edit_key_code {
+	EDIT_KEY_NONE = 256,
+	EDIT_KEY_TAB,
+	EDIT_KEY_UP,
+	EDIT_KEY_DOWN,
+	EDIT_KEY_RIGHT,
+	EDIT_KEY_LEFT,
+	EDIT_KEY_ENTER,
+	EDIT_KEY_BACKSPACE,
+	EDIT_KEY_INSERT,
+	EDIT_KEY_DELETE,
+	EDIT_KEY_HOME,
+	EDIT_KEY_END,
+	EDIT_KEY_PAGE_UP,
+	EDIT_KEY_PAGE_DOWN,
+	EDIT_KEY_F1,
+	EDIT_KEY_F2,
+	EDIT_KEY_F3,
+	EDIT_KEY_F4,
+	EDIT_KEY_F5,
+	EDIT_KEY_F6,
+	EDIT_KEY_F7,
+	EDIT_KEY_F8,
+	EDIT_KEY_F9,
+	EDIT_KEY_F10,
+	EDIT_KEY_F11,
+	EDIT_KEY_F12,
+	EDIT_KEY_CTRL_UP,
+	EDIT_KEY_CTRL_DOWN,
+	EDIT_KEY_CTRL_RIGHT,
+	EDIT_KEY_CTRL_LEFT,
+	EDIT_KEY_CTRL_A,
+	EDIT_KEY_CTRL_B,
+	EDIT_KEY_CTRL_D,
+	EDIT_KEY_CTRL_E,
+	EDIT_KEY_CTRL_F,
+	EDIT_KEY_CTRL_G,
+	EDIT_KEY_CTRL_H,
+	EDIT_KEY_CTRL_J,
+	EDIT_KEY_CTRL_K,
+	EDIT_KEY_CTRL_L,
+	EDIT_KEY_CTRL_N,
+	EDIT_KEY_CTRL_O,
+	EDIT_KEY_CTRL_P,
+	EDIT_KEY_CTRL_R,
+	EDIT_KEY_CTRL_T,
+	EDIT_KEY_CTRL_U,
+	EDIT_KEY_CTRL_V,
+	EDIT_KEY_CTRL_W,
+	EDIT_KEY_ALT_UP,
+	EDIT_KEY_ALT_DOWN,
+	EDIT_KEY_ALT_RIGHT,
+	EDIT_KEY_ALT_LEFT,
+	EDIT_KEY_SHIFT_UP,
+	EDIT_KEY_SHIFT_DOWN,
+	EDIT_KEY_SHIFT_RIGHT,
+	EDIT_KEY_SHIFT_LEFT,
+	EDIT_KEY_ALT_SHIFT_UP,
+	EDIT_KEY_ALT_SHIFT_DOWN,
+	EDIT_KEY_ALT_SHIFT_RIGHT,
+	EDIT_KEY_ALT_SHIFT_LEFT,
+	EDIT_KEY_EOF
+};
+
+static void show_esc_buf(const char *esc_buf, char c, int i)
+{
+	edit_clear_line();
+	printf("\rESC buffer '%s' c='%c' [%d]\n", esc_buf, c, i);
+	edit_redraw();
+}
+
+
+static enum edit_key_code esc_seq_to_key1_no(char last)
+{
+	switch (last) {
+	case 'A':
+		return EDIT_KEY_UP;
+	case 'B':
+		return EDIT_KEY_DOWN;
+	case 'C':
+		return EDIT_KEY_RIGHT;
+	case 'D':
+		return EDIT_KEY_LEFT;
+	default:
+		return EDIT_KEY_NONE;
+	}
+}
+
+
+static enum edit_key_code esc_seq_to_key1_shift(char last)
+{
+	switch (last) {
+	case 'A':
+		return EDIT_KEY_SHIFT_UP;
+	case 'B':
+		return EDIT_KEY_SHIFT_DOWN;
+	case 'C':
+		return EDIT_KEY_SHIFT_RIGHT;
+	case 'D':
+		return EDIT_KEY_SHIFT_LEFT;
+	default:
+		return EDIT_KEY_NONE;
+	}
+}
+
+
+static enum edit_key_code esc_seq_to_key1_alt(char last)
+{
+	switch (last) {
+	case 'A':
+		return EDIT_KEY_ALT_UP;
+	case 'B':
+		return EDIT_KEY_ALT_DOWN;
+	case 'C':
+		return EDIT_KEY_ALT_RIGHT;
+	case 'D':
+		return EDIT_KEY_ALT_LEFT;
+	default:
+		return EDIT_KEY_NONE;
+	}
+}
+
+
+static enum edit_key_code esc_seq_to_key1_alt_shift(char last)
+{
+	switch (last) {
+	case 'A':
+		return EDIT_KEY_ALT_SHIFT_UP;
+	case 'B':
+		return EDIT_KEY_ALT_SHIFT_DOWN;
+	case 'C':
+		return EDIT_KEY_ALT_SHIFT_RIGHT;
+	case 'D':
+		return EDIT_KEY_ALT_SHIFT_LEFT;
+	default:
+		return EDIT_KEY_NONE;
+	}
+}
+
+
+static enum edit_key_code esc_seq_to_key1_ctrl(char last)
+{
+	switch (last) {
+	case 'A':
+		return EDIT_KEY_CTRL_UP;
+	case 'B':
+		return EDIT_KEY_CTRL_DOWN;
+	case 'C':
+		return EDIT_KEY_CTRL_RIGHT;
+	case 'D':
+		return EDIT_KEY_CTRL_LEFT;
+	default:
+		return EDIT_KEY_NONE;
+	}
+}
+
+
+static enum edit_key_code esc_seq_to_key1(int param1, int param2, char last)
+{
+	/* ESC-[<param1>;<param2><last> */
+
+	if (param1 < 0 && param2 < 0)
+		return esc_seq_to_key1_no(last);
+
+	if (param1 == 1 && param2 == 2)
+		return esc_seq_to_key1_shift(last);
+
+	if (param1 == 1 && param2 == 3)
+		return esc_seq_to_key1_alt(last);
+
+	if (param1 == 1 && param2 == 4)
+		return esc_seq_to_key1_alt_shift(last);
+
+	if (param1 == 1 && param2 == 5)
+		return esc_seq_to_key1_ctrl(last);
+
+	if (param2 < 0) {
+		if (last != '~')
+			return EDIT_KEY_NONE;
+		switch (param1) {
+		case 2:
+			return EDIT_KEY_INSERT;
+		case 3:
+			return EDIT_KEY_DELETE;
+		case 5:
+			return EDIT_KEY_PAGE_UP;
+		case 6:
+			return EDIT_KEY_PAGE_DOWN;
+		case 15:
+			return EDIT_KEY_F5;
+		case 17:
+			return EDIT_KEY_F6;
+		case 18:
+			return EDIT_KEY_F7;
+		case 19:
+			return EDIT_KEY_F8;
+		case 20:
+			return EDIT_KEY_F9;
+		case 21:
+			return EDIT_KEY_F10;
+		case 23:
+			return EDIT_KEY_F11;
+		case 24:
+			return EDIT_KEY_F12;
+		}
+	}
+
+	return EDIT_KEY_NONE;
+}
+
+
+static enum edit_key_code esc_seq_to_key2(int param1, int param2, char last)
+{
+	/* ESC-O<param1>;<param2><last> */
+
+	if (param1 >= 0 || param2 >= 0)
+		return EDIT_KEY_NONE;
+
+	switch (last) {
+	case 'F':
+		return EDIT_KEY_END;
+	case 'H':
+		return EDIT_KEY_HOME;
+	case 'P':
+		return EDIT_KEY_F1;
+	case 'Q':
+		return EDIT_KEY_F2;
+	case 'R':
+		return EDIT_KEY_F3;
+	case 'S':
+		return EDIT_KEY_F4;
+	default:
+		return EDIT_KEY_NONE;
+	}
+}
+
+
+static enum edit_key_code esc_seq_to_key(char *seq)
+{
+	char last, *pos;
+	int param1 = -1, param2 = -1;
+	enum edit_key_code ret = EDIT_KEY_NONE;
+
+	last = '\0';
+	for (pos = seq; *pos; pos++)
+		last = *pos;
+
+	if (seq[1] >= '0' && seq[1] <= '9') {
+		param1 = atoi(&seq[1]);
+		pos = os_strchr(seq, ';');
+		if (pos)
+			param2 = atoi(pos + 1);
+	}
+
+	if (seq[0] == '[')
+		ret = esc_seq_to_key1(param1, param2, last);
+	else if (seq[0] == 'O')
+		ret = esc_seq_to_key2(param1, param2, last);
+
+	if (ret != EDIT_KEY_NONE)
+		return ret;
+
+	edit_clear_line();
+	printf("\rUnknown escape sequence '%s'\n", seq);
+	edit_redraw();
+	return EDIT_KEY_NONE;
+}
+
+
+static enum edit_key_code edit_read_key(int sock)
+{
+	int c;
+	unsigned char buf[1];
+	int res;
+	static int esc = -1;
+	static char esc_buf[7];
+
+	res = read(sock, buf, 1);
+	if (res < 0)
+		perror("read");
+	if (res <= 0)
+		return EDIT_KEY_EOF;
+
+	c = buf[0];
+
+	if (esc >= 0) {
+		if (c == 27 /* ESC */) {
+			esc = 0;
+			return EDIT_KEY_NONE;
+		}
+
+		if (esc == 6) {
+			show_esc_buf(esc_buf, c, 0);
+			esc = -1;
+		} else {
+			esc_buf[esc++] = c;
+			esc_buf[esc] = '\0';
+		}
+	}
+
+	if (esc == 1) {
+		if (esc_buf[0] != '[' && esc_buf[0] != 'O') {
+			show_esc_buf(esc_buf, c, 1);
+			esc = -1;
+			return EDIT_KEY_NONE;
+		} else
+			return EDIT_KEY_NONE; /* Escape sequence continues */
+	}
+
+	if (esc > 1) {
+		if ((c >= '0' && c <= '9') || c == ';')
+			return EDIT_KEY_NONE; /* Escape sequence continues */
+
+		if (c == '~' || (c >= 'A' && c <= 'Z')) {
+			esc = -1;
+			return esc_seq_to_key(esc_buf);
+		}
+
+		show_esc_buf(esc_buf, c, 2);
+		esc = -1;
+		return EDIT_KEY_NONE;
+	}
+
+	switch (c) {
+	case 1:
+		return EDIT_KEY_CTRL_A;
+	case 2:
+		return EDIT_KEY_CTRL_B;
+	case 4:
+		return EDIT_KEY_CTRL_D;
+	case 5:
+		return EDIT_KEY_CTRL_E;
+	case 6:
+		return EDIT_KEY_CTRL_F;
+	case 7:
+		return EDIT_KEY_CTRL_G;
+	case 8:
+		return EDIT_KEY_CTRL_H;
+	case 9:
+		return EDIT_KEY_TAB;
+	case 10:
+		return EDIT_KEY_CTRL_J;
+	case 13: /* CR */
+		return EDIT_KEY_ENTER;
+	case 11:
+		return EDIT_KEY_CTRL_K;
+	case 12:
+		return EDIT_KEY_CTRL_L;
+	case 14:
+		return EDIT_KEY_CTRL_N;
+	case 15:
+		return EDIT_KEY_CTRL_O;
+	case 16:
+		return EDIT_KEY_CTRL_P;
+	case 18:
+		return EDIT_KEY_CTRL_R;
+	case 20:
+		return EDIT_KEY_CTRL_T;
+	case 21:
+		return EDIT_KEY_CTRL_U;
+	case 22:
+		return EDIT_KEY_CTRL_V;
+	case 23:
+		return EDIT_KEY_CTRL_W;
+	case 27: /* ESC */
+		esc = 0;
+		return EDIT_KEY_NONE;
+	case 127:
+		return EDIT_KEY_BACKSPACE;
+	default:
+		return c;
+	}
+}
+
+
+static char search_buf[21];
+static int search_skip;
+
+static char * search_find(void)
+{
+	struct edit_history *h;
+	size_t len = os_strlen(search_buf);
+	int skip = search_skip;
+
+	if (len == 0)
+		return NULL;
+
+	dl_list_for_each(h, &history_list, struct edit_history, list) {
+		if (os_strstr(h->str, search_buf)) {
+			if (skip == 0)
+				return h->str;
+			skip--;
+		}
+	}
+
+	search_skip = 0;
+	return NULL;
+}
+
+
+static void search_redraw(void)
+{
+	char *match = search_find();
+	printf("\rsearch '%s': %s" CLEAR_END_LINE,
+	       search_buf, match ? match : "");
+	printf("\rsearch '%s", search_buf);
+	fflush(stdout);
+}
+
+
+static void search_start(void)
+{
+	edit_clear_line();
+	search_buf[0] = '\0';
+	search_skip = 0;
+	search_redraw();
+}
+
+
+static void search_clear(void)
+{
+	search_redraw();
+	printf("\r" CLEAR_END_LINE);
+}
+
+
+static void search_stop(void)
+{
+	char *match = search_find();
+	search_buf[0] = '\0';
+	search_clear();
+	if (match) {
+		os_strlcpy(cmdbuf, match, CMD_BUF_LEN);
+		cmdbuf_len = os_strlen(cmdbuf);
+		cmdbuf_pos = cmdbuf_len;
+	}
+	edit_redraw();
+}
+
+
+static void search_cancel(void)
+{
+	search_buf[0] = '\0';
+	search_clear();
+	edit_redraw();
+}
+
+
+static void search_backspace(void)
+{
+	size_t len;
+	len = os_strlen(search_buf);
+	if (len == 0)
+		return;
+	search_buf[len - 1] = '\0';
+	search_skip = 0;
+	search_redraw();
+}
+
+
+static void search_next(void)
+{
+	search_skip++;
+	search_find();
+	search_redraw();
+}
+
+
+static void search_char(char c)
+{
+	size_t len;
+	len = os_strlen(search_buf);
+	if (len == sizeof(search_buf) - 1)
+		return;
+	search_buf[len] = c;
+	search_buf[len + 1] = '\0';
+	search_skip = 0;
+	search_redraw();
+}
+
+
+static enum edit_key_code search_key(enum edit_key_code c)
+{
+	switch (c) {
+	case EDIT_KEY_ENTER:
+	case EDIT_KEY_CTRL_J:
+	case EDIT_KEY_LEFT:
+	case EDIT_KEY_RIGHT:
+	case EDIT_KEY_HOME:
+	case EDIT_KEY_END:
+	case EDIT_KEY_CTRL_A:
+	case EDIT_KEY_CTRL_E:
+		search_stop();
+		return c;
+	case EDIT_KEY_DOWN:
+	case EDIT_KEY_UP:
+		search_cancel();
+		return EDIT_KEY_EOF;
+	case EDIT_KEY_CTRL_H:
+	case EDIT_KEY_BACKSPACE:
+		search_backspace();
+		break;
+	case EDIT_KEY_CTRL_R:
+		search_next();
+		break;
+	default:
+		if (c >= 32 && c <= 255)
+			search_char(c);
+		break;
+	}
+
+	return EDIT_KEY_NONE;
+}
+
+
+static void edit_read_char(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	static int last_tab = 0;
+	static int search = 0;
+	enum edit_key_code c;
+
+	c = edit_read_key(sock);
+
+	if (search) {
+		c = search_key(c);
+		if (c == EDIT_KEY_NONE)
+			return;
+		search = 0;
+		if (c == EDIT_KEY_EOF)
+			return;
+	}
+
+	if (c != EDIT_KEY_TAB && c != EDIT_KEY_NONE)
+		last_tab = 0;
+
+	switch (c) {
+	case EDIT_KEY_NONE:
+		break;
+	case EDIT_KEY_EOF:
+		edit_eof_cb(edit_cb_ctx);
+		break;
+	case EDIT_KEY_TAB:
+		complete(last_tab);
+		last_tab = 1;
+		break;
+	case EDIT_KEY_UP:
+	case EDIT_KEY_CTRL_P:
+		history_prev();
+		break;
+	case EDIT_KEY_DOWN:
+	case EDIT_KEY_CTRL_N:
+		history_next();
+		break;
+	case EDIT_KEY_RIGHT:
+	case EDIT_KEY_CTRL_F:
+		move_right();
+		break;
+	case EDIT_KEY_LEFT:
+	case EDIT_KEY_CTRL_B:
+		move_left();
+		break;
+	case EDIT_KEY_CTRL_RIGHT:
+		move_word_right();
+		break;
+	case EDIT_KEY_CTRL_LEFT:
+		move_word_left();
+		break;
+	case EDIT_KEY_DELETE:
+		delete_current();
+		break;
+	case EDIT_KEY_END:
+		move_end();
+		break;
+	case EDIT_KEY_HOME:
+	case EDIT_KEY_CTRL_A:
+		move_start();
+		break;
+	case EDIT_KEY_F2:
+		history_debug_dump();
+		break;
+	case EDIT_KEY_CTRL_D:
+		if (cmdbuf_len > 0) {
+			delete_current();
+			return;
+		}
+		printf("\n");
+		edit_eof_cb(edit_cb_ctx);
+		break;
+	case EDIT_KEY_CTRL_E:
+		move_end();
+		break;
+	case EDIT_KEY_CTRL_H:
+	case EDIT_KEY_BACKSPACE:
+		delete_left();
+		break;
+	case EDIT_KEY_ENTER:
+	case EDIT_KEY_CTRL_J:
+		process_cmd();
+		break;
+	case EDIT_KEY_CTRL_K:
+		clear_right();
+		break;
+	case EDIT_KEY_CTRL_L:
+		edit_clear_line();
+		edit_redraw();
+		break;
+	case EDIT_KEY_CTRL_R:
+		search = 1;
+		search_start();
+		break;
+	case EDIT_KEY_CTRL_U:
+		clear_left();
+		break;
+	case EDIT_KEY_CTRL_W:
+		delete_word();
+		break;
+	default:
+		if (c >= 32 && c <= 255)
+			insert_char(c);
+		break;
+	}
+}
+
+
+int edit_init(void (*cmd_cb)(void *ctx, char *cmd),
+	      void (*eof_cb)(void *ctx),
+	      char ** (*completion_cb)(void *ctx, const char *cmd, int pos),
+	      void *ctx, const char *history_file)
+{
+	dl_list_init(&history_list);
+	history_curr = NULL;
+	if (history_file)
+		history_read(history_file);
+
+	edit_cb_ctx = ctx;
+	edit_cmd_cb = cmd_cb;
+	edit_eof_cb = eof_cb;
+	edit_completion_cb = completion_cb;
+
+	tcgetattr(STDIN_FILENO, &prevt);
+	newt = prevt;
+	newt.c_lflag &= ~(ICANON | ECHO);
+	tcsetattr(STDIN_FILENO, TCSANOW, &newt);
+
+	eloop_register_read_sock(STDIN_FILENO, edit_read_char, NULL, NULL);
+
+	printf("> ");
+	fflush(stdout);
+
+	return 0;
+}
+
+
+void edit_deinit(const char *history_file,
+		 int (*filter_cb)(void *ctx, const char *cmd))
+{
+	struct edit_history *h;
+	if (history_file)
+		history_write(history_file, filter_cb);
+	while ((h = dl_list_first(&history_list, struct edit_history, list))) {
+		dl_list_del(&h->list);
+		os_free(h);
+	}
+	edit_clear_line();
+	putchar('\r');
+	fflush(stdout);
+	eloop_unregister_read_sock(STDIN_FILENO);
+	tcsetattr(STDIN_FILENO, TCSANOW, &prevt);
+}
+
+
+void edit_redraw(void)
+{
+	char tmp;
+	cmdbuf[cmdbuf_len] = '\0';
+	printf("\r> %s", cmdbuf);
+	if (cmdbuf_pos != cmdbuf_len) {
+		tmp = cmdbuf[cmdbuf_pos];
+		cmdbuf[cmdbuf_pos] = '\0';
+		printf("\r> %s", cmdbuf);
+		cmdbuf[cmdbuf_pos] = tmp;
+	}
+	fflush(stdout);
+}
diff --git a/src/utils/edit.h b/src/utils/edit.h
new file mode 100644
index 0000000..fc4474b
--- /dev/null
+++ b/src/utils/edit.h
@@ -0,0 +1,27 @@
+/*
+ * Command line editing and history
+ * Copyright (c) 2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef EDIT_H
+#define EDIT_H
+
+int edit_init(void (*cmd_cb)(void *ctx, char *cmd),
+	      void (*eof_cb)(void *ctx),
+	      char ** (*completion_cb)(void *ctx, const char *cmd, int pos),
+	      void *ctx, const char *history_file);
+void edit_deinit(const char *history_file,
+		 int (*filter_cb)(void *ctx, const char *cmd));
+void edit_clear_line(void);
+void edit_redraw(void);
+
+#endif /* EDIT_H */
diff --git a/src/utils/edit_readline.c b/src/utils/edit_readline.c
new file mode 100644
index 0000000..1fef7b9
--- /dev/null
+++ b/src/utils/edit_readline.c
@@ -0,0 +1,184 @@
+/*
+ * Command line editing and history wrapper for readline
+ * Copyright (c) 2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <readline/readline.h>
+#include <readline/history.h>
+
+#include "common.h"
+#include "eloop.h"
+#include "edit.h"
+
+
+static void *edit_cb_ctx;
+static void (*edit_cmd_cb)(void *ctx, char *cmd);
+static void (*edit_eof_cb)(void *ctx);
+static char ** (*edit_completion_cb)(void *ctx, const char *cmd, int pos) =
+	NULL;
+
+static char **pending_completions = NULL;
+
+
+static void readline_free_completions(void)
+{
+	int i;
+	if (pending_completions == NULL)
+		return;
+	for (i = 0; pending_completions[i]; i++)
+		os_free(pending_completions[i]);
+	os_free(pending_completions);
+	pending_completions = NULL;
+}
+
+
+static char * readline_completion_func(const char *text, int state)
+{
+	static int pos = 0;
+	static size_t len = 0;
+
+	if (pending_completions == NULL) {
+		rl_attempted_completion_over = 1;
+		return NULL;
+	}
+
+	if (state == 0) {
+		pos = 0;
+		len = os_strlen(text);
+	}
+	for (; pending_completions[pos]; pos++) {
+		if (strncmp(pending_completions[pos], text, len) == 0)
+			return strdup(pending_completions[pos++]);
+	}
+
+	rl_attempted_completion_over = 1;
+	return NULL;
+}
+
+
+static char ** readline_completion(const char *text, int start, int end)
+{
+	readline_free_completions();
+	if (edit_completion_cb)
+		pending_completions = edit_completion_cb(edit_cb_ctx,
+							 rl_line_buffer, end);
+	return rl_completion_matches(text, readline_completion_func);
+}
+
+
+static void edit_read_char(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	rl_callback_read_char();
+}
+
+
+static void trunc_nl(char *str)
+{
+	char *pos = str;
+	while (*pos != '\0') {
+		if (*pos == '\n') {
+			*pos = '\0';
+			break;
+		}
+		pos++;
+	}
+}
+
+
+static void readline_cmd_handler(char *cmd)
+{
+	if (cmd && *cmd) {
+		HIST_ENTRY *h;
+		while (next_history())
+			;
+		h = previous_history();
+		if (h == NULL || os_strcmp(cmd, h->line) != 0)
+			add_history(cmd);
+		next_history();
+	}
+	if (cmd == NULL) {
+		edit_eof_cb(edit_cb_ctx);
+		return;
+	}
+	trunc_nl(cmd);
+	edit_cmd_cb(edit_cb_ctx, cmd);
+}
+
+
+int edit_init(void (*cmd_cb)(void *ctx, char *cmd),
+	      void (*eof_cb)(void *ctx),
+	      char ** (*completion_cb)(void *ctx, const char *cmd, int pos),
+	      void *ctx, const char *history_file)
+{
+	edit_cb_ctx = ctx;
+	edit_cmd_cb = cmd_cb;
+	edit_eof_cb = eof_cb;
+	edit_completion_cb = completion_cb;
+
+	rl_attempted_completion_function = readline_completion;
+	if (history_file) {
+		read_history(history_file);
+		stifle_history(100);
+	}
+
+	eloop_register_read_sock(STDIN_FILENO, edit_read_char, NULL, NULL);
+
+	rl_callback_handler_install("> ", readline_cmd_handler);
+
+	return 0;
+}
+
+
+void edit_deinit(const char *history_file,
+		 int (*filter_cb)(void *ctx, const char *cmd))
+{
+	rl_callback_handler_remove();
+	readline_free_completions();
+
+	eloop_unregister_read_sock(STDIN_FILENO);
+
+	if (history_file) {
+		/* Save command history, excluding lines that may contain
+		 * passwords. */
+		HIST_ENTRY *h;
+		history_set_pos(0);
+		while ((h = current_history())) {
+			char *p = h->line;
+			while (*p == ' ' || *p == '\t')
+				p++;
+			if (filter_cb && filter_cb(edit_cb_ctx, p)) {
+				h = remove_history(where_history());
+				if (h) {
+					os_free(h->line);
+					free(h->data);
+					os_free(h);
+				} else
+					next_history();
+			} else
+				next_history();
+		}
+		write_history(history_file);
+	}
+}
+
+
+void edit_clear_line(void)
+{
+}
+
+
+void edit_redraw(void)
+{
+	rl_on_new_line();
+	rl_redisplay();
+}
diff --git a/src/utils/edit_simple.c b/src/utils/edit_simple.c
new file mode 100644
index 0000000..61fb24e
--- /dev/null
+++ b/src/utils/edit_simple.c
@@ -0,0 +1,96 @@
+/*
+ * Minimal command line editing
+ * Copyright (c) 2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eloop.h"
+#include "edit.h"
+
+
+#define CMD_BUF_LEN 256
+static char cmdbuf[CMD_BUF_LEN];
+static int cmdbuf_pos = 0;
+
+static void *edit_cb_ctx;
+static void (*edit_cmd_cb)(void *ctx, char *cmd);
+static void (*edit_eof_cb)(void *ctx);
+
+
+static void edit_read_char(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	int c;
+	unsigned char buf[1];
+	int res;
+
+	res = read(sock, buf, 1);
+	if (res < 0)
+		perror("read");
+	if (res <= 0) {
+		edit_eof_cb(edit_cb_ctx);
+		return;
+	}
+	c = buf[0];
+
+	if (c == '\r' || c == '\n') {
+		cmdbuf[cmdbuf_pos] = '\0';
+		cmdbuf_pos = 0;
+		edit_cmd_cb(edit_cb_ctx, cmdbuf);
+		printf("> ");
+		fflush(stdout);
+		return;
+	}
+
+	if (c >= 32 && c <= 255) {
+		if (cmdbuf_pos < (int) sizeof(cmdbuf) - 1) {
+			cmdbuf[cmdbuf_pos++] = c;
+		}
+	}
+}
+
+
+int edit_init(void (*cmd_cb)(void *ctx, char *cmd),
+	      void (*eof_cb)(void *ctx),
+	      char ** (*completion_cb)(void *ctx, const char *cmd, int pos),
+	      void *ctx, const char *history_file)
+{
+	edit_cb_ctx = ctx;
+	edit_cmd_cb = cmd_cb;
+	edit_eof_cb = eof_cb;
+	eloop_register_read_sock(STDIN_FILENO, edit_read_char, NULL, NULL);
+
+	printf("> ");
+	fflush(stdout);
+
+	return 0;
+}
+
+
+void edit_deinit(const char *history_file,
+		 int (*filter_cb)(void *ctx, const char *cmd))
+{
+	eloop_unregister_read_sock(STDIN_FILENO);
+}
+
+
+void edit_clear_line(void)
+{
+}
+
+
+void edit_redraw(void)
+{
+	cmdbuf[cmdbuf_pos] = '\0';
+	printf("\r> %s", cmdbuf);
+}
diff --git a/src/utils/eloop.c b/src/utils/eloop.c
new file mode 100644
index 0000000..b550c63
--- /dev/null
+++ b/src/utils/eloop.c
@@ -0,0 +1,627 @@
+/*
+ * Event loop based on select() loop
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "trace.h"
+#include "list.h"
+#include "eloop.h"
+
+
+struct eloop_sock {
+	int sock;
+	void *eloop_data;
+	void *user_data;
+	eloop_sock_handler handler;
+	WPA_TRACE_REF(eloop);
+	WPA_TRACE_REF(user);
+	WPA_TRACE_INFO
+};
+
+struct eloop_timeout {
+	struct dl_list list;
+	struct os_time time;
+	void *eloop_data;
+	void *user_data;
+	eloop_timeout_handler handler;
+	WPA_TRACE_REF(eloop);
+	WPA_TRACE_REF(user);
+	WPA_TRACE_INFO
+};
+
+struct eloop_signal {
+	int sig;
+	void *user_data;
+	eloop_signal_handler handler;
+	int signaled;
+};
+
+struct eloop_sock_table {
+	int count;
+	struct eloop_sock *table;
+	int changed;
+};
+
+struct eloop_data {
+	int max_sock;
+
+	struct eloop_sock_table readers;
+	struct eloop_sock_table writers;
+	struct eloop_sock_table exceptions;
+
+	struct dl_list timeout;
+
+	int signal_count;
+	struct eloop_signal *signals;
+	int signaled;
+	int pending_terminate;
+
+	int terminate;
+	int reader_table_changed;
+};
+
+static struct eloop_data eloop;
+
+
+#ifdef WPA_TRACE
+
+static void eloop_sigsegv_handler(int sig)
+{
+	wpa_trace_show("eloop SIGSEGV");
+	abort();
+}
+
+static void eloop_trace_sock_add_ref(struct eloop_sock_table *table)
+{
+	int i;
+	if (table == NULL || table->table == NULL)
+		return;
+	for (i = 0; i < table->count; i++) {
+		wpa_trace_add_ref(&table->table[i], eloop,
+				  table->table[i].eloop_data);
+		wpa_trace_add_ref(&table->table[i], user,
+				  table->table[i].user_data);
+	}
+}
+
+
+static void eloop_trace_sock_remove_ref(struct eloop_sock_table *table)
+{
+	int i;
+	if (table == NULL || table->table == NULL)
+		return;
+	for (i = 0; i < table->count; i++) {
+		wpa_trace_remove_ref(&table->table[i], eloop,
+				     table->table[i].eloop_data);
+		wpa_trace_remove_ref(&table->table[i], user,
+				     table->table[i].user_data);
+	}
+}
+
+#else /* WPA_TRACE */
+
+#define eloop_trace_sock_add_ref(table) do { } while (0)
+#define eloop_trace_sock_remove_ref(table) do { } while (0)
+
+#endif /* WPA_TRACE */
+
+
+int eloop_init(void)
+{
+	os_memset(&eloop, 0, sizeof(eloop));
+	dl_list_init(&eloop.timeout);
+#ifdef WPA_TRACE
+	signal(SIGSEGV, eloop_sigsegv_handler);
+#endif /* WPA_TRACE */
+	return 0;
+}
+
+
+static int eloop_sock_table_add_sock(struct eloop_sock_table *table,
+                                     int sock, eloop_sock_handler handler,
+                                     void *eloop_data, void *user_data)
+{
+	struct eloop_sock *tmp;
+
+	if (table == NULL)
+		return -1;
+
+	eloop_trace_sock_remove_ref(table);
+	tmp = (struct eloop_sock *)
+		os_realloc(table->table,
+			   (table->count + 1) * sizeof(struct eloop_sock));
+	if (tmp == NULL)
+		return -1;
+
+	tmp[table->count].sock = sock;
+	tmp[table->count].eloop_data = eloop_data;
+	tmp[table->count].user_data = user_data;
+	tmp[table->count].handler = handler;
+	wpa_trace_record(&tmp[table->count]);
+	table->count++;
+	table->table = tmp;
+	if (sock > eloop.max_sock)
+		eloop.max_sock = sock;
+	table->changed = 1;
+	eloop_trace_sock_add_ref(table);
+
+	return 0;
+}
+
+
+static void eloop_sock_table_remove_sock(struct eloop_sock_table *table,
+                                         int sock)
+{
+	int i;
+
+	if (table == NULL || table->table == NULL || table->count == 0)
+		return;
+
+	for (i = 0; i < table->count; i++) {
+		if (table->table[i].sock == sock)
+			break;
+	}
+	if (i == table->count)
+		return;
+	eloop_trace_sock_remove_ref(table);
+	if (i != table->count - 1) {
+		os_memmove(&table->table[i], &table->table[i + 1],
+			   (table->count - i - 1) *
+			   sizeof(struct eloop_sock));
+	}
+	table->count--;
+	table->changed = 1;
+	eloop_trace_sock_add_ref(table);
+}
+
+
+static void eloop_sock_table_set_fds(struct eloop_sock_table *table,
+				     fd_set *fds)
+{
+	int i;
+
+	FD_ZERO(fds);
+
+	if (table->table == NULL)
+		return;
+
+	for (i = 0; i < table->count; i++)
+		FD_SET(table->table[i].sock, fds);
+}
+
+
+static void eloop_sock_table_dispatch(struct eloop_sock_table *table,
+				      fd_set *fds)
+{
+	int i;
+
+	if (table == NULL || table->table == NULL)
+		return;
+
+	table->changed = 0;
+	for (i = 0; i < table->count; i++) {
+		if (FD_ISSET(table->table[i].sock, fds)) {
+			table->table[i].handler(table->table[i].sock,
+						table->table[i].eloop_data,
+						table->table[i].user_data);
+			if (table->changed)
+				break;
+		}
+	}
+}
+
+
+static void eloop_sock_table_destroy(struct eloop_sock_table *table)
+{
+	if (table) {
+		int i;
+		for (i = 0; i < table->count && table->table; i++) {
+			wpa_printf(MSG_INFO, "ELOOP: remaining socket: "
+				   "sock=%d eloop_data=%p user_data=%p "
+				   "handler=%p",
+				   table->table[i].sock,
+				   table->table[i].eloop_data,
+				   table->table[i].user_data,
+				   table->table[i].handler);
+			wpa_trace_dump_funcname("eloop unregistered socket "
+						"handler",
+						table->table[i].handler);
+			wpa_trace_dump("eloop sock", &table->table[i]);
+		}
+		os_free(table->table);
+	}
+}
+
+
+int eloop_register_read_sock(int sock, eloop_sock_handler handler,
+			     void *eloop_data, void *user_data)
+{
+	return eloop_register_sock(sock, EVENT_TYPE_READ, handler,
+				   eloop_data, user_data);
+}
+
+
+void eloop_unregister_read_sock(int sock)
+{
+	eloop_unregister_sock(sock, EVENT_TYPE_READ);
+}
+
+
+static struct eloop_sock_table *eloop_get_sock_table(eloop_event_type type)
+{
+	switch (type) {
+	case EVENT_TYPE_READ:
+		return &eloop.readers;
+	case EVENT_TYPE_WRITE:
+		return &eloop.writers;
+	case EVENT_TYPE_EXCEPTION:
+		return &eloop.exceptions;
+	}
+
+	return NULL;
+}
+
+
+int eloop_register_sock(int sock, eloop_event_type type,
+			eloop_sock_handler handler,
+			void *eloop_data, void *user_data)
+{
+	struct eloop_sock_table *table;
+
+	table = eloop_get_sock_table(type);
+	return eloop_sock_table_add_sock(table, sock, handler,
+					 eloop_data, user_data);
+}
+
+
+void eloop_unregister_sock(int sock, eloop_event_type type)
+{
+	struct eloop_sock_table *table;
+
+	table = eloop_get_sock_table(type);
+	eloop_sock_table_remove_sock(table, sock);
+}
+
+
+int eloop_register_timeout(unsigned int secs, unsigned int usecs,
+			   eloop_timeout_handler handler,
+			   void *eloop_data, void *user_data)
+{
+	struct eloop_timeout *timeout, *tmp;
+	os_time_t now_sec;
+
+	timeout = os_zalloc(sizeof(*timeout));
+	if (timeout == NULL)
+		return -1;
+	if (os_get_time(&timeout->time) < 0) {
+		os_free(timeout);
+		return -1;
+	}
+	now_sec = timeout->time.sec;
+	timeout->time.sec += secs;
+	if (timeout->time.sec < now_sec) {
+		/*
+		 * Integer overflow - assume long enough timeout to be assumed
+		 * to be infinite, i.e., the timeout would never happen.
+		 */
+		wpa_printf(MSG_DEBUG, "ELOOP: Too long timeout (secs=%u) to "
+			   "ever happen - ignore it", secs);
+		os_free(timeout);
+		return 0;
+	}
+	timeout->time.usec += usecs;
+	while (timeout->time.usec >= 1000000) {
+		timeout->time.sec++;
+		timeout->time.usec -= 1000000;
+	}
+	timeout->eloop_data = eloop_data;
+	timeout->user_data = user_data;
+	timeout->handler = handler;
+	wpa_trace_add_ref(timeout, eloop, eloop_data);
+	wpa_trace_add_ref(timeout, user, user_data);
+	wpa_trace_record(timeout);
+
+	/* Maintain timeouts in order of increasing time */
+	dl_list_for_each(tmp, &eloop.timeout, struct eloop_timeout, list) {
+		if (os_time_before(&timeout->time, &tmp->time)) {
+			dl_list_add(tmp->list.prev, &timeout->list);
+			return 0;
+		}
+	}
+	dl_list_add_tail(&eloop.timeout, &timeout->list);
+
+	return 0;
+}
+
+
+static void eloop_remove_timeout(struct eloop_timeout *timeout)
+{
+	dl_list_del(&timeout->list);
+	wpa_trace_remove_ref(timeout, eloop, timeout->eloop_data);
+	wpa_trace_remove_ref(timeout, user, timeout->user_data);
+	os_free(timeout);
+}
+
+
+int eloop_cancel_timeout(eloop_timeout_handler handler,
+			 void *eloop_data, void *user_data)
+{
+	struct eloop_timeout *timeout, *prev;
+	int removed = 0;
+
+	dl_list_for_each_safe(timeout, prev, &eloop.timeout,
+			      struct eloop_timeout, list) {
+		if (timeout->handler == handler &&
+		    (timeout->eloop_data == eloop_data ||
+		     eloop_data == ELOOP_ALL_CTX) &&
+		    (timeout->user_data == user_data ||
+		     user_data == ELOOP_ALL_CTX)) {
+			eloop_remove_timeout(timeout);
+			removed++;
+		}
+	}
+
+	return removed;
+}
+
+
+int eloop_is_timeout_registered(eloop_timeout_handler handler,
+				void *eloop_data, void *user_data)
+{
+	struct eloop_timeout *tmp;
+
+	dl_list_for_each(tmp, &eloop.timeout, struct eloop_timeout, list) {
+		if (tmp->handler == handler &&
+		    tmp->eloop_data == eloop_data &&
+		    tmp->user_data == user_data)
+			return 1;
+	}
+
+	return 0;
+}
+
+
+#ifndef CONFIG_NATIVE_WINDOWS
+static void eloop_handle_alarm(int sig)
+{
+	wpa_printf(MSG_ERROR, "eloop: could not process SIGINT or SIGTERM in "
+		   "two seconds. Looks like there\n"
+		   "is a bug that ends up in a busy loop that "
+		   "prevents clean shutdown.\n"
+		   "Killing program forcefully.\n");
+	exit(1);
+}
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+
+static void eloop_handle_signal(int sig)
+{
+	int i;
+
+#ifndef CONFIG_NATIVE_WINDOWS
+	if ((sig == SIGINT || sig == SIGTERM) && !eloop.pending_terminate) {
+		/* Use SIGALRM to break out from potential busy loops that
+		 * would not allow the program to be killed. */
+		eloop.pending_terminate = 1;
+		signal(SIGALRM, eloop_handle_alarm);
+		alarm(2);
+	}
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+	eloop.signaled++;
+	for (i = 0; i < eloop.signal_count; i++) {
+		if (eloop.signals[i].sig == sig) {
+			eloop.signals[i].signaled++;
+			break;
+		}
+	}
+}
+
+
+static void eloop_process_pending_signals(void)
+{
+	int i;
+
+	if (eloop.signaled == 0)
+		return;
+	eloop.signaled = 0;
+
+	if (eloop.pending_terminate) {
+#ifndef CONFIG_NATIVE_WINDOWS
+		alarm(0);
+#endif /* CONFIG_NATIVE_WINDOWS */
+		eloop.pending_terminate = 0;
+	}
+
+	for (i = 0; i < eloop.signal_count; i++) {
+		if (eloop.signals[i].signaled) {
+			eloop.signals[i].signaled = 0;
+			eloop.signals[i].handler(eloop.signals[i].sig,
+						 eloop.signals[i].user_data);
+		}
+	}
+}
+
+
+int eloop_register_signal(int sig, eloop_signal_handler handler,
+			  void *user_data)
+{
+	struct eloop_signal *tmp;
+
+	tmp = (struct eloop_signal *)
+		os_realloc(eloop.signals,
+			   (eloop.signal_count + 1) *
+			   sizeof(struct eloop_signal));
+	if (tmp == NULL)
+		return -1;
+
+	tmp[eloop.signal_count].sig = sig;
+	tmp[eloop.signal_count].user_data = user_data;
+	tmp[eloop.signal_count].handler = handler;
+	tmp[eloop.signal_count].signaled = 0;
+	eloop.signal_count++;
+	eloop.signals = tmp;
+	signal(sig, eloop_handle_signal);
+
+	return 0;
+}
+
+
+int eloop_register_signal_terminate(eloop_signal_handler handler,
+				    void *user_data)
+{
+	int ret = eloop_register_signal(SIGINT, handler, user_data);
+	if (ret == 0)
+		ret = eloop_register_signal(SIGTERM, handler, user_data);
+	return ret;
+}
+
+
+int eloop_register_signal_reconfig(eloop_signal_handler handler,
+				   void *user_data)
+{
+#ifdef CONFIG_NATIVE_WINDOWS
+	return 0;
+#else /* CONFIG_NATIVE_WINDOWS */
+	return eloop_register_signal(SIGHUP, handler, user_data);
+#endif /* CONFIG_NATIVE_WINDOWS */
+}
+
+
+void eloop_run(void)
+{
+	fd_set *rfds, *wfds, *efds;
+	int res;
+	struct timeval _tv;
+	struct os_time tv, now;
+
+	rfds = os_malloc(sizeof(*rfds));
+	wfds = os_malloc(sizeof(*wfds));
+	efds = os_malloc(sizeof(*efds));
+	if (rfds == NULL || wfds == NULL || efds == NULL)
+		goto out;
+
+	while (!eloop.terminate &&
+	       (!dl_list_empty(&eloop.timeout) || eloop.readers.count > 0 ||
+		eloop.writers.count > 0 || eloop.exceptions.count > 0)) {
+		struct eloop_timeout *timeout;
+		timeout = dl_list_first(&eloop.timeout, struct eloop_timeout,
+					list);
+		if (timeout) {
+			os_get_time(&now);
+			if (os_time_before(&now, &timeout->time))
+				os_time_sub(&timeout->time, &now, &tv);
+			else
+				tv.sec = tv.usec = 0;
+			_tv.tv_sec = tv.sec;
+			_tv.tv_usec = tv.usec;
+		}
+
+		eloop_sock_table_set_fds(&eloop.readers, rfds);
+		eloop_sock_table_set_fds(&eloop.writers, wfds);
+		eloop_sock_table_set_fds(&eloop.exceptions, efds);
+		res = select(eloop.max_sock + 1, rfds, wfds, efds,
+			     timeout ? &_tv : NULL);
+		if (res < 0 && errno != EINTR && errno != 0) {
+			perror("select");
+			goto out;
+		}
+		eloop_process_pending_signals();
+
+		/* check if some registered timeouts have occurred */
+		timeout = dl_list_first(&eloop.timeout, struct eloop_timeout,
+					list);
+		if (timeout) {
+			os_get_time(&now);
+			if (!os_time_before(&now, &timeout->time)) {
+				void *eloop_data = timeout->eloop_data;
+				void *user_data = timeout->user_data;
+				eloop_timeout_handler handler =
+					timeout->handler;
+				eloop_remove_timeout(timeout);
+				handler(eloop_data, user_data);
+			}
+
+		}
+
+		if (res <= 0)
+			continue;
+
+		eloop_sock_table_dispatch(&eloop.readers, rfds);
+		eloop_sock_table_dispatch(&eloop.writers, wfds);
+		eloop_sock_table_dispatch(&eloop.exceptions, efds);
+	}
+
+out:
+	os_free(rfds);
+	os_free(wfds);
+	os_free(efds);
+}
+
+
+void eloop_terminate(void)
+{
+	eloop.terminate = 1;
+}
+
+
+void eloop_destroy(void)
+{
+	struct eloop_timeout *timeout, *prev;
+	struct os_time now;
+
+	os_get_time(&now);
+	dl_list_for_each_safe(timeout, prev, &eloop.timeout,
+			      struct eloop_timeout, list) {
+		int sec, usec;
+		sec = timeout->time.sec - now.sec;
+		usec = timeout->time.usec - now.usec;
+		if (timeout->time.usec < now.usec) {
+			sec--;
+			usec += 1000000;
+		}
+		wpa_printf(MSG_INFO, "ELOOP: remaining timeout: %d.%06d "
+			   "eloop_data=%p user_data=%p handler=%p",
+			   sec, usec, timeout->eloop_data, timeout->user_data,
+			   timeout->handler);
+		wpa_trace_dump_funcname("eloop unregistered timeout handler",
+					timeout->handler);
+		wpa_trace_dump("eloop timeout", timeout);
+		eloop_remove_timeout(timeout);
+	}
+	eloop_sock_table_destroy(&eloop.readers);
+	eloop_sock_table_destroy(&eloop.writers);
+	eloop_sock_table_destroy(&eloop.exceptions);
+	os_free(eloop.signals);
+}
+
+
+int eloop_terminated(void)
+{
+	return eloop.terminate;
+}
+
+
+void eloop_wait_for_read_sock(int sock)
+{
+	fd_set rfds;
+
+	if (sock < 0)
+		return;
+
+	FD_ZERO(&rfds);
+	FD_SET(sock, &rfds);
+	select(sock + 1, &rfds, NULL, NULL, NULL);
+}
diff --git a/src/utils/eloop.h b/src/utils/eloop.h
new file mode 100644
index 0000000..1228f24
--- /dev/null
+++ b/src/utils/eloop.h
@@ -0,0 +1,316 @@
+/*
+ * Event loop
+ * Copyright (c) 2002-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This file defines an event loop interface that supports processing events
+ * from registered timeouts (i.e., do something after N seconds), sockets
+ * (e.g., a new packet available for reading), and signals. eloop.c is an
+ * implementation of this interface using select() and sockets. This is
+ * suitable for most UNIX/POSIX systems. When porting to other operating
+ * systems, it may be necessary to replace that implementation with OS specific
+ * mechanisms.
+ */
+
+#ifndef ELOOP_H
+#define ELOOP_H
+
+/**
+ * ELOOP_ALL_CTX - eloop_cancel_timeout() magic number to match all timeouts
+ */
+#define ELOOP_ALL_CTX (void *) -1
+
+/**
+ * eloop_event_type - eloop socket event type for eloop_register_sock()
+ * @EVENT_TYPE_READ: Socket has data available for reading
+ * @EVENT_TYPE_WRITE: Socket has room for new data to be written
+ * @EVENT_TYPE_EXCEPTION: An exception has been reported
+ */
+typedef enum {
+	EVENT_TYPE_READ = 0,
+	EVENT_TYPE_WRITE,
+	EVENT_TYPE_EXCEPTION
+} eloop_event_type;
+
+/**
+ * eloop_sock_handler - eloop socket event callback type
+ * @sock: File descriptor number for the socket
+ * @eloop_ctx: Registered callback context data (eloop_data)
+ * @sock_ctx: Registered callback context data (user_data)
+ */
+typedef void (*eloop_sock_handler)(int sock, void *eloop_ctx, void *sock_ctx);
+
+/**
+ * eloop_event_handler - eloop generic event callback type
+ * @eloop_ctx: Registered callback context data (eloop_data)
+ * @sock_ctx: Registered callback context data (user_data)
+ */
+typedef void (*eloop_event_handler)(void *eloop_data, void *user_ctx);
+
+/**
+ * eloop_timeout_handler - eloop timeout event callback type
+ * @eloop_ctx: Registered callback context data (eloop_data)
+ * @sock_ctx: Registered callback context data (user_data)
+ */
+typedef void (*eloop_timeout_handler)(void *eloop_data, void *user_ctx);
+
+/**
+ * eloop_signal_handler - eloop signal event callback type
+ * @sig: Signal number
+ * @signal_ctx: Registered callback context data (user_data from
+ * eloop_register_signal(), eloop_register_signal_terminate(), or
+ * eloop_register_signal_reconfig() call)
+ */
+typedef void (*eloop_signal_handler)(int sig, void *signal_ctx);
+
+/**
+ * eloop_init() - Initialize global event loop data
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function must be called before any other eloop_* function.
+ */
+int eloop_init(void);
+
+/**
+ * eloop_register_read_sock - Register handler for read events
+ * @sock: File descriptor number for the socket
+ * @handler: Callback function to be called when data is available for reading
+ * @eloop_data: Callback context data (eloop_ctx)
+ * @user_data: Callback context data (sock_ctx)
+ * Returns: 0 on success, -1 on failure
+ *
+ * Register a read socket notifier for the given file descriptor. The handler
+ * function will be called whenever data is available for reading from the
+ * socket. The handler function is responsible for clearing the event after
+ * having processed it in order to avoid eloop from calling the handler again
+ * for the same event.
+ */
+int eloop_register_read_sock(int sock, eloop_sock_handler handler,
+			     void *eloop_data, void *user_data);
+
+/**
+ * eloop_unregister_read_sock - Unregister handler for read events
+ * @sock: File descriptor number for the socket
+ *
+ * Unregister a read socket notifier that was previously registered with
+ * eloop_register_read_sock().
+ */
+void eloop_unregister_read_sock(int sock);
+
+/**
+ * eloop_register_sock - Register handler for socket events
+ * @sock: File descriptor number for the socket
+ * @type: Type of event to wait for
+ * @handler: Callback function to be called when the event is triggered
+ * @eloop_data: Callback context data (eloop_ctx)
+ * @user_data: Callback context data (sock_ctx)
+ * Returns: 0 on success, -1 on failure
+ *
+ * Register an event notifier for the given socket's file descriptor. The
+ * handler function will be called whenever the that event is triggered for the
+ * socket. The handler function is responsible for clearing the event after
+ * having processed it in order to avoid eloop from calling the handler again
+ * for the same event.
+ */
+int eloop_register_sock(int sock, eloop_event_type type,
+			eloop_sock_handler handler,
+			void *eloop_data, void *user_data);
+
+/**
+ * eloop_unregister_sock - Unregister handler for socket events
+ * @sock: File descriptor number for the socket
+ * @type: Type of event for which sock was registered
+ *
+ * Unregister a socket event notifier that was previously registered with
+ * eloop_register_sock().
+ */
+void eloop_unregister_sock(int sock, eloop_event_type type);
+
+/**
+ * eloop_register_event - Register handler for generic events
+ * @event: Event to wait (eloop implementation specific)
+ * @event_size: Size of event data
+ * @handler: Callback function to be called when event is triggered
+ * @eloop_data: Callback context data (eloop_data)
+ * @user_data: Callback context data (user_data)
+ * Returns: 0 on success, -1 on failure
+ *
+ * Register an event handler for the given event. This function is used to
+ * register eloop implementation specific events which are mainly targetted for
+ * operating system specific code (driver interface and l2_packet) since the
+ * portable code will not be able to use such an OS-specific call. The handler
+ * function will be called whenever the event is triggered. The handler
+ * function is responsible for clearing the event after having processed it in
+ * order to avoid eloop from calling the handler again for the same event.
+ *
+ * In case of Windows implementation (eloop_win.c), event pointer is of HANDLE
+ * type, i.e., void*. The callers are likely to have 'HANDLE h' type variable,
+ * and they would call this function with eloop_register_event(h, sizeof(h),
+ * ...).
+ */
+int eloop_register_event(void *event, size_t event_size,
+			 eloop_event_handler handler,
+			 void *eloop_data, void *user_data);
+
+/**
+ * eloop_unregister_event - Unregister handler for a generic event
+ * @event: Event to cancel (eloop implementation specific)
+ * @event_size: Size of event data
+ *
+ * Unregister a generic event notifier that was previously registered with
+ * eloop_register_event().
+ */
+void eloop_unregister_event(void *event, size_t event_size);
+
+/**
+ * eloop_register_timeout - Register timeout
+ * @secs: Number of seconds to the timeout
+ * @usecs: Number of microseconds to the timeout
+ * @handler: Callback function to be called when timeout occurs
+ * @eloop_data: Callback context data (eloop_ctx)
+ * @user_data: Callback context data (sock_ctx)
+ * Returns: 0 on success, -1 on failure
+ *
+ * Register a timeout that will cause the handler function to be called after
+ * given time.
+ */
+int eloop_register_timeout(unsigned int secs, unsigned int usecs,
+			   eloop_timeout_handler handler,
+			   void *eloop_data, void *user_data);
+
+/**
+ * eloop_cancel_timeout - Cancel timeouts
+ * @handler: Matching callback function
+ * @eloop_data: Matching eloop_data or %ELOOP_ALL_CTX to match all
+ * @user_data: Matching user_data or %ELOOP_ALL_CTX to match all
+ * Returns: Number of cancelled timeouts
+ *
+ * Cancel matching <handler,eloop_data,user_data> timeouts registered with
+ * eloop_register_timeout(). ELOOP_ALL_CTX can be used as a wildcard for
+ * cancelling all timeouts regardless of eloop_data/user_data.
+ */
+int eloop_cancel_timeout(eloop_timeout_handler handler,
+			 void *eloop_data, void *user_data);
+
+/**
+ * eloop_is_timeout_registered - Check if a timeout is already registered
+ * @handler: Matching callback function
+ * @eloop_data: Matching eloop_data
+ * @user_data: Matching user_data
+ * Returns: 1 if the timeout is registered, 0 if the timeout is not registered
+ *
+ * Determine if a matching <handler,eloop_data,user_data> timeout is registered
+ * with eloop_register_timeout().
+ */
+int eloop_is_timeout_registered(eloop_timeout_handler handler,
+				void *eloop_data, void *user_data);
+
+/**
+ * eloop_register_signal - Register handler for signals
+ * @sig: Signal number (e.g., SIGHUP)
+ * @handler: Callback function to be called when the signal is received
+ * @user_data: Callback context data (signal_ctx)
+ * Returns: 0 on success, -1 on failure
+ *
+ * Register a callback function that will be called when a signal is received.
+ * The callback function is actually called only after the system signal
+ * handler has returned. This means that the normal limits for sighandlers
+ * (i.e., only "safe functions" allowed) do not apply for the registered
+ * callback.
+ */
+int eloop_register_signal(int sig, eloop_signal_handler handler,
+			  void *user_data);
+
+/**
+ * eloop_register_signal_terminate - Register handler for terminate signals
+ * @handler: Callback function to be called when the signal is received
+ * @user_data: Callback context data (signal_ctx)
+ * Returns: 0 on success, -1 on failure
+ *
+ * Register a callback function that will be called when a process termination
+ * signal is received. The callback function is actually called only after the
+ * system signal handler has returned. This means that the normal limits for
+ * sighandlers (i.e., only "safe functions" allowed) do not apply for the
+ * registered callback.
+ *
+ * This function is a more portable version of eloop_register_signal() since
+ * the knowledge of exact details of the signals is hidden in eloop
+ * implementation. In case of operating systems using signal(), this function
+ * registers handlers for SIGINT and SIGTERM.
+ */
+int eloop_register_signal_terminate(eloop_signal_handler handler,
+				    void *user_data);
+
+/**
+ * eloop_register_signal_reconfig - Register handler for reconfig signals
+ * @handler: Callback function to be called when the signal is received
+ * @user_data: Callback context data (signal_ctx)
+ * Returns: 0 on success, -1 on failure
+ *
+ * Register a callback function that will be called when a reconfiguration /
+ * hangup signal is received. The callback function is actually called only
+ * after the system signal handler has returned. This means that the normal
+ * limits for sighandlers (i.e., only "safe functions" allowed) do not apply
+ * for the registered callback.
+ *
+ * This function is a more portable version of eloop_register_signal() since
+ * the knowledge of exact details of the signals is hidden in eloop
+ * implementation. In case of operating systems using signal(), this function
+ * registers a handler for SIGHUP.
+ */
+int eloop_register_signal_reconfig(eloop_signal_handler handler,
+				   void *user_data);
+
+/**
+ * eloop_run - Start the event loop
+ *
+ * Start the event loop and continue running as long as there are any
+ * registered event handlers. This function is run after event loop has been
+ * initialized with event_init() and one or more events have been registered.
+ */
+void eloop_run(void);
+
+/**
+ * eloop_terminate - Terminate event loop
+ *
+ * Terminate event loop even if there are registered events. This can be used
+ * to request the program to be terminated cleanly.
+ */
+void eloop_terminate(void);
+
+/**
+ * eloop_destroy - Free any resources allocated for the event loop
+ *
+ * After calling eloop_destroy(), other eloop_* functions must not be called
+ * before re-running eloop_init().
+ */
+void eloop_destroy(void);
+
+/**
+ * eloop_terminated - Check whether event loop has been terminated
+ * Returns: 1 = event loop terminate, 0 = event loop still running
+ *
+ * This function can be used to check whether eloop_terminate() has been called
+ * to request termination of the event loop. This is normally used to abort
+ * operations that may still be queued to be run when eloop_terminate() was
+ * called.
+ */
+int eloop_terminated(void);
+
+/**
+ * eloop_wait_for_read_sock - Wait for a single reader
+ * @sock: File descriptor number for the socket
+ *
+ * Do a blocking wait for a single read socket.
+ */
+void eloop_wait_for_read_sock(int sock);
+
+#endif /* ELOOP_H */
diff --git a/src/utils/eloop_none.c b/src/utils/eloop_none.c
new file mode 100644
index 0000000..18eae4e
--- /dev/null
+++ b/src/utils/eloop_none.c
@@ -0,0 +1,401 @@
+/*
+ * Event loop - empty template (basic structure, but no OS specific operations)
+ * Copyright (c) 2002-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eloop.h"
+
+
+struct eloop_sock {
+	int sock;
+	void *eloop_data;
+	void *user_data;
+	void (*handler)(int sock, void *eloop_ctx, void *sock_ctx);
+};
+
+struct eloop_timeout {
+	struct os_time time;
+	void *eloop_data;
+	void *user_data;
+	void (*handler)(void *eloop_ctx, void *sock_ctx);
+	struct eloop_timeout *next;
+};
+
+struct eloop_signal {
+	int sig;
+	void *user_data;
+	void (*handler)(int sig, void *eloop_ctx, void *signal_ctx);
+	int signaled;
+};
+
+struct eloop_data {
+	int max_sock, reader_count;
+	struct eloop_sock *readers;
+
+	struct eloop_timeout *timeout;
+
+	int signal_count;
+	struct eloop_signal *signals;
+	int signaled;
+	int pending_terminate;
+
+	int terminate;
+	int reader_table_changed;
+};
+
+static struct eloop_data eloop;
+
+
+int eloop_init(void)
+{
+	memset(&eloop, 0, sizeof(eloop));
+	return 0;
+}
+
+
+int eloop_register_read_sock(int sock,
+			     void (*handler)(int sock, void *eloop_ctx,
+					     void *sock_ctx),
+			     void *eloop_data, void *user_data)
+{
+	struct eloop_sock *tmp;
+
+	tmp = (struct eloop_sock *)
+		realloc(eloop.readers,
+			(eloop.reader_count + 1) * sizeof(struct eloop_sock));
+	if (tmp == NULL)
+		return -1;
+
+	tmp[eloop.reader_count].sock = sock;
+	tmp[eloop.reader_count].eloop_data = eloop_data;
+	tmp[eloop.reader_count].user_data = user_data;
+	tmp[eloop.reader_count].handler = handler;
+	eloop.reader_count++;
+	eloop.readers = tmp;
+	if (sock > eloop.max_sock)
+		eloop.max_sock = sock;
+	eloop.reader_table_changed = 1;
+
+	return 0;
+}
+
+
+void eloop_unregister_read_sock(int sock)
+{
+	int i;
+
+	if (eloop.readers == NULL || eloop.reader_count == 0)
+		return;
+
+	for (i = 0; i < eloop.reader_count; i++) {
+		if (eloop.readers[i].sock == sock)
+			break;
+	}
+	if (i == eloop.reader_count)
+		return;
+	if (i != eloop.reader_count - 1) {
+		memmove(&eloop.readers[i], &eloop.readers[i + 1],
+			(eloop.reader_count - i - 1) *
+			sizeof(struct eloop_sock));
+	}
+	eloop.reader_count--;
+	eloop.reader_table_changed = 1;
+}
+
+
+int eloop_register_timeout(unsigned int secs, unsigned int usecs,
+			   void (*handler)(void *eloop_ctx, void *timeout_ctx),
+			   void *eloop_data, void *user_data)
+{
+	struct eloop_timeout *timeout, *tmp, *prev;
+
+	timeout = (struct eloop_timeout *) malloc(sizeof(*timeout));
+	if (timeout == NULL)
+		return -1;
+	os_get_time(&timeout->time);
+	timeout->time.sec += secs;
+	timeout->time.usec += usecs;
+	while (timeout->time.usec >= 1000000) {
+		timeout->time.sec++;
+		timeout->time.usec -= 1000000;
+	}
+	timeout->eloop_data = eloop_data;
+	timeout->user_data = user_data;
+	timeout->handler = handler;
+	timeout->next = NULL;
+
+	if (eloop.timeout == NULL) {
+		eloop.timeout = timeout;
+		return 0;
+	}
+
+	prev = NULL;
+	tmp = eloop.timeout;
+	while (tmp != NULL) {
+		if (os_time_before(&timeout->time, &tmp->time))
+			break;
+		prev = tmp;
+		tmp = tmp->next;
+	}
+
+	if (prev == NULL) {
+		timeout->next = eloop.timeout;
+		eloop.timeout = timeout;
+	} else {
+		timeout->next = prev->next;
+		prev->next = timeout;
+	}
+
+	return 0;
+}
+
+
+int eloop_cancel_timeout(void (*handler)(void *eloop_ctx, void *sock_ctx),
+			 void *eloop_data, void *user_data)
+{
+	struct eloop_timeout *timeout, *prev, *next;
+	int removed = 0;
+
+	prev = NULL;
+	timeout = eloop.timeout;
+	while (timeout != NULL) {
+		next = timeout->next;
+
+		if (timeout->handler == handler &&
+		    (timeout->eloop_data == eloop_data ||
+		     eloop_data == ELOOP_ALL_CTX) &&
+		    (timeout->user_data == user_data ||
+		     user_data == ELOOP_ALL_CTX)) {
+			if (prev == NULL)
+				eloop.timeout = next;
+			else
+				prev->next = next;
+			free(timeout);
+			removed++;
+		} else
+			prev = timeout;
+
+		timeout = next;
+	}
+
+	return removed;
+}
+
+
+int eloop_is_timeout_registered(void (*handler)(void *eloop_ctx,
+						void *timeout_ctx),
+				void *eloop_data, void *user_data)
+{
+	struct eloop_timeout *tmp;
+
+	tmp = eloop.timeout;
+	while (tmp != NULL) {
+		if (tmp->handler == handler &&
+		    tmp->eloop_data == eloop_data &&
+		    tmp->user_data == user_data)
+			return 1;
+
+		tmp = tmp->next;
+	}
+
+	return 0;
+}
+
+
+/* TODO: replace with suitable signal handler */
+#if 0
+static void eloop_handle_signal(int sig)
+{
+	int i;
+
+	eloop.signaled++;
+	for (i = 0; i < eloop.signal_count; i++) {
+		if (eloop.signals[i].sig == sig) {
+			eloop.signals[i].signaled++;
+			break;
+		}
+	}
+}
+#endif
+
+
+static void eloop_process_pending_signals(void)
+{
+	int i;
+
+	if (eloop.signaled == 0)
+		return;
+	eloop.signaled = 0;
+
+	if (eloop.pending_terminate) {
+		eloop.pending_terminate = 0;
+	}
+
+	for (i = 0; i < eloop.signal_count; i++) {
+		if (eloop.signals[i].signaled) {
+			eloop.signals[i].signaled = 0;
+			eloop.signals[i].handler(eloop.signals[i].sig,
+						 eloop.user_data,
+						 eloop.signals[i].user_data);
+		}
+	}
+}
+
+
+int eloop_register_signal(int sig,
+			  void (*handler)(int sig, void *eloop_ctx,
+					  void *signal_ctx),
+			  void *user_data)
+{
+	struct eloop_signal *tmp;
+
+	tmp = (struct eloop_signal *)
+		realloc(eloop.signals,
+			(eloop.signal_count + 1) *
+			sizeof(struct eloop_signal));
+	if (tmp == NULL)
+		return -1;
+
+	tmp[eloop.signal_count].sig = sig;
+	tmp[eloop.signal_count].user_data = user_data;
+	tmp[eloop.signal_count].handler = handler;
+	tmp[eloop.signal_count].signaled = 0;
+	eloop.signal_count++;
+	eloop.signals = tmp;
+
+	/* TODO: register signal handler */
+
+	return 0;
+}
+
+
+int eloop_register_signal_terminate(void (*handler)(int sig, void *eloop_ctx,
+						    void *signal_ctx),
+				    void *user_data)
+{
+#if 0
+	/* TODO: for example */
+	int ret = eloop_register_signal(SIGINT, handler, user_data);
+	if (ret == 0)
+		ret = eloop_register_signal(SIGTERM, handler, user_data);
+	return ret;
+#endif
+	return 0;
+}
+
+
+int eloop_register_signal_reconfig(void (*handler)(int sig, void *eloop_ctx,
+						   void *signal_ctx),
+				   void *user_data)
+{
+#if 0
+	/* TODO: for example */
+	return eloop_register_signal(SIGHUP, handler, user_data);
+#endif
+	return 0;
+}
+
+
+void eloop_run(void)
+{
+	int i;
+	struct os_time tv, now;
+
+	while (!eloop.terminate &&
+		(eloop.timeout || eloop.reader_count > 0)) {
+		if (eloop.timeout) {
+			os_get_time(&now);
+			if (os_time_before(&now, &eloop.timeout->time))
+				os_time_sub(&eloop.timeout->time, &now, &tv);
+			else
+				tv.sec = tv.usec = 0;
+		}
+
+		/*
+		 * TODO: wait for any event (read socket ready, timeout (tv),
+		 * signal
+		 */
+		os_sleep(1, 0); /* just a dummy wait for testing */
+
+		eloop_process_pending_signals();
+
+		/* check if some registered timeouts have occurred */
+		if (eloop.timeout) {
+			struct eloop_timeout *tmp;
+
+			os_get_time(&now);
+			if (!os_time_before(&now, &eloop.timeout->time)) {
+				tmp = eloop.timeout;
+				eloop.timeout = eloop.timeout->next;
+				tmp->handler(tmp->eloop_data,
+					     tmp->user_data);
+				free(tmp);
+			}
+
+		}
+
+		eloop.reader_table_changed = 0;
+		for (i = 0; i < eloop.reader_count; i++) {
+			/*
+			 * TODO: call each handler that has pending data to
+			 * read
+			 */
+			if (0 /* TODO: eloop.readers[i].sock ready */) {
+				eloop.readers[i].handler(
+					eloop.readers[i].sock,
+					eloop.readers[i].eloop_data,
+					eloop.readers[i].user_data);
+				if (eloop.reader_table_changed)
+					break;
+			}
+		}
+	}
+}
+
+
+void eloop_terminate(void)
+{
+	eloop.terminate = 1;
+}
+
+
+void eloop_destroy(void)
+{
+	struct eloop_timeout *timeout, *prev;
+
+	timeout = eloop.timeout;
+	while (timeout != NULL) {
+		prev = timeout;
+		timeout = timeout->next;
+		free(prev);
+	}
+	free(eloop.readers);
+	free(eloop.signals);
+}
+
+
+int eloop_terminated(void)
+{
+	return eloop.terminate;
+}
+
+
+void eloop_wait_for_read_sock(int sock)
+{
+	/*
+	 * TODO: wait for the file descriptor to have something available for
+	 * reading
+	 */
+}
diff --git a/src/utils/eloop_win.c b/src/utils/eloop_win.c
new file mode 100644
index 0000000..c726ece
--- /dev/null
+++ b/src/utils/eloop_win.c
@@ -0,0 +1,623 @@
+/*
+ * Event loop based on Windows events and WaitForMultipleObjects
+ * Copyright (c) 2002-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <winsock2.h>
+
+#include "common.h"
+#include "eloop.h"
+
+
+struct eloop_sock {
+	int sock;
+	void *eloop_data;
+	void *user_data;
+	eloop_sock_handler handler;
+	WSAEVENT event;
+};
+
+struct eloop_event {
+	void *eloop_data;
+	void *user_data;
+	eloop_event_handler handler;
+	HANDLE event;
+};
+
+struct eloop_timeout {
+	struct os_time time;
+	void *eloop_data;
+	void *user_data;
+	eloop_timeout_handler handler;
+	struct eloop_timeout *next;
+};
+
+struct eloop_signal {
+	int sig;
+	void *user_data;
+	eloop_signal_handler handler;
+	int signaled;
+};
+
+struct eloop_data {
+	int max_sock;
+	size_t reader_count;
+	struct eloop_sock *readers;
+
+	size_t event_count;
+	struct eloop_event *events;
+
+	struct eloop_timeout *timeout;
+
+	int signal_count;
+	struct eloop_signal *signals;
+	int signaled;
+	int pending_terminate;
+
+	int terminate;
+	int reader_table_changed;
+
+	struct eloop_signal term_signal;
+	HANDLE term_event;
+
+	HANDLE *handles;
+	size_t num_handles;
+};
+
+static struct eloop_data eloop;
+
+
+int eloop_init(void)
+{
+	os_memset(&eloop, 0, sizeof(eloop));
+	eloop.num_handles = 1;
+	eloop.handles = os_malloc(eloop.num_handles *
+				  sizeof(eloop.handles[0]));
+	if (eloop.handles == NULL)
+		return -1;
+
+	eloop.term_event = CreateEvent(NULL, FALSE, FALSE, NULL);
+	if (eloop.term_event == NULL) {
+		printf("CreateEvent() failed: %d\n",
+		       (int) GetLastError());
+		os_free(eloop.handles);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int eloop_prepare_handles(void)
+{
+	HANDLE *n;
+
+	if (eloop.num_handles > eloop.reader_count + eloop.event_count + 8)
+		return 0;
+	n = os_realloc(eloop.handles,
+		       eloop.num_handles * 2 * sizeof(eloop.handles[0]));
+	if (n == NULL)
+		return -1;
+	eloop.handles = n;
+	eloop.num_handles *= 2;
+	return 0;
+}
+
+
+int eloop_register_read_sock(int sock, eloop_sock_handler handler,
+			     void *eloop_data, void *user_data)
+{
+	WSAEVENT event;
+	struct eloop_sock *tmp;
+
+	if (eloop_prepare_handles())
+		return -1;
+
+	event = WSACreateEvent();
+	if (event == WSA_INVALID_EVENT) {
+		printf("WSACreateEvent() failed: %d\n", WSAGetLastError());
+		return -1;
+	}
+
+	if (WSAEventSelect(sock, event, FD_READ)) {
+		printf("WSAEventSelect() failed: %d\n", WSAGetLastError());
+		WSACloseEvent(event);
+		return -1;
+	}
+	tmp = os_realloc(eloop.readers,
+			 (eloop.reader_count + 1) * sizeof(struct eloop_sock));
+	if (tmp == NULL) {
+		WSAEventSelect(sock, event, 0);
+		WSACloseEvent(event);
+		return -1;
+	}
+
+	tmp[eloop.reader_count].sock = sock;
+	tmp[eloop.reader_count].eloop_data = eloop_data;
+	tmp[eloop.reader_count].user_data = user_data;
+	tmp[eloop.reader_count].handler = handler;
+	tmp[eloop.reader_count].event = event;
+	eloop.reader_count++;
+	eloop.readers = tmp;
+	if (sock > eloop.max_sock)
+		eloop.max_sock = sock;
+	eloop.reader_table_changed = 1;
+
+	return 0;
+}
+
+
+void eloop_unregister_read_sock(int sock)
+{
+	size_t i;
+
+	if (eloop.readers == NULL || eloop.reader_count == 0)
+		return;
+
+	for (i = 0; i < eloop.reader_count; i++) {
+		if (eloop.readers[i].sock == sock)
+			break;
+	}
+	if (i == eloop.reader_count)
+		return;
+
+	WSAEventSelect(eloop.readers[i].sock, eloop.readers[i].event, 0);
+	WSACloseEvent(eloop.readers[i].event);
+
+	if (i != eloop.reader_count - 1) {
+		os_memmove(&eloop.readers[i], &eloop.readers[i + 1],
+			   (eloop.reader_count - i - 1) *
+			   sizeof(struct eloop_sock));
+	}
+	eloop.reader_count--;
+	eloop.reader_table_changed = 1;
+}
+
+
+int eloop_register_event(void *event, size_t event_size,
+			 eloop_event_handler handler,
+			 void *eloop_data, void *user_data)
+{
+	struct eloop_event *tmp;
+	HANDLE h = event;
+
+	if (event_size != sizeof(HANDLE) || h == INVALID_HANDLE_VALUE)
+		return -1;
+
+	if (eloop_prepare_handles())
+		return -1;
+
+	tmp = os_realloc(eloop.events,
+			 (eloop.event_count + 1) * sizeof(struct eloop_event));
+	if (tmp == NULL)
+		return -1;
+
+	tmp[eloop.event_count].eloop_data = eloop_data;
+	tmp[eloop.event_count].user_data = user_data;
+	tmp[eloop.event_count].handler = handler;
+	tmp[eloop.event_count].event = h;
+	eloop.event_count++;
+	eloop.events = tmp;
+
+	return 0;
+}
+
+
+void eloop_unregister_event(void *event, size_t event_size)
+{
+	size_t i;
+	HANDLE h = event;
+
+	if (eloop.events == NULL || eloop.event_count == 0 ||
+	    event_size != sizeof(HANDLE))
+		return;
+
+	for (i = 0; i < eloop.event_count; i++) {
+		if (eloop.events[i].event == h)
+			break;
+	}
+	if (i == eloop.event_count)
+		return;
+
+	if (i != eloop.event_count - 1) {
+		os_memmove(&eloop.events[i], &eloop.events[i + 1],
+			   (eloop.event_count - i - 1) *
+			   sizeof(struct eloop_event));
+	}
+	eloop.event_count--;
+}
+
+
+int eloop_register_timeout(unsigned int secs, unsigned int usecs,
+			   eloop_timeout_handler handler,
+			   void *eloop_data, void *user_data)
+{
+	struct eloop_timeout *timeout, *tmp, *prev;
+	os_time_t now_sec;
+
+	timeout = os_malloc(sizeof(*timeout));
+	if (timeout == NULL)
+		return -1;
+	os_get_time(&timeout->time);
+	now_sec = timeout->time.sec;
+	timeout->time.sec += secs;
+	if (timeout->time.sec < now_sec) {
+		/*
+		 * Integer overflow - assume long enough timeout to be assumed
+		 * to be infinite, i.e., the timeout would never happen.
+		 */
+		wpa_printf(MSG_DEBUG, "ELOOP: Too long timeout (secs=%u) to "
+			   "ever happen - ignore it", secs);
+		os_free(timeout);
+		return 0;
+	}
+	timeout->time.usec += usecs;
+	while (timeout->time.usec >= 1000000) {
+		timeout->time.sec++;
+		timeout->time.usec -= 1000000;
+	}
+	timeout->eloop_data = eloop_data;
+	timeout->user_data = user_data;
+	timeout->handler = handler;
+	timeout->next = NULL;
+
+	if (eloop.timeout == NULL) {
+		eloop.timeout = timeout;
+		return 0;
+	}
+
+	prev = NULL;
+	tmp = eloop.timeout;
+	while (tmp != NULL) {
+		if (os_time_before(&timeout->time, &tmp->time))
+			break;
+		prev = tmp;
+		tmp = tmp->next;
+	}
+
+	if (prev == NULL) {
+		timeout->next = eloop.timeout;
+		eloop.timeout = timeout;
+	} else {
+		timeout->next = prev->next;
+		prev->next = timeout;
+	}
+
+	return 0;
+}
+
+
+int eloop_cancel_timeout(eloop_timeout_handler handler,
+			 void *eloop_data, void *user_data)
+{
+	struct eloop_timeout *timeout, *prev, *next;
+	int removed = 0;
+
+	prev = NULL;
+	timeout = eloop.timeout;
+	while (timeout != NULL) {
+		next = timeout->next;
+
+		if (timeout->handler == handler &&
+		    (timeout->eloop_data == eloop_data ||
+		     eloop_data == ELOOP_ALL_CTX) &&
+		    (timeout->user_data == user_data ||
+		     user_data == ELOOP_ALL_CTX)) {
+			if (prev == NULL)
+				eloop.timeout = next;
+			else
+				prev->next = next;
+			os_free(timeout);
+			removed++;
+		} else
+			prev = timeout;
+
+		timeout = next;
+	}
+
+	return removed;
+}
+
+
+int eloop_is_timeout_registered(eloop_timeout_handler handler,
+				void *eloop_data, void *user_data)
+{
+	struct eloop_timeout *tmp;
+
+	tmp = eloop.timeout;
+	while (tmp != NULL) {
+		if (tmp->handler == handler &&
+		    tmp->eloop_data == eloop_data &&
+		    tmp->user_data == user_data)
+			return 1;
+
+		tmp = tmp->next;
+	}
+
+	return 0;
+}
+
+
+/* TODO: replace with suitable signal handler */
+#if 0
+static void eloop_handle_signal(int sig)
+{
+	int i;
+
+	eloop.signaled++;
+	for (i = 0; i < eloop.signal_count; i++) {
+		if (eloop.signals[i].sig == sig) {
+			eloop.signals[i].signaled++;
+			break;
+		}
+	}
+}
+#endif
+
+
+static void eloop_process_pending_signals(void)
+{
+	int i;
+
+	if (eloop.signaled == 0)
+		return;
+	eloop.signaled = 0;
+
+	if (eloop.pending_terminate) {
+		eloop.pending_terminate = 0;
+	}
+
+	for (i = 0; i < eloop.signal_count; i++) {
+		if (eloop.signals[i].signaled) {
+			eloop.signals[i].signaled = 0;
+			eloop.signals[i].handler(eloop.signals[i].sig,
+						 eloop.signals[i].user_data);
+		}
+	}
+
+	if (eloop.term_signal.signaled) {
+		eloop.term_signal.signaled = 0;
+		eloop.term_signal.handler(eloop.term_signal.sig,
+					  eloop.term_signal.user_data);
+	}
+}
+
+
+int eloop_register_signal(int sig, eloop_signal_handler handler,
+			  void *user_data)
+{
+	struct eloop_signal *tmp;
+
+	tmp = os_realloc(eloop.signals,
+			 (eloop.signal_count + 1) *
+			 sizeof(struct eloop_signal));
+	if (tmp == NULL)
+		return -1;
+
+	tmp[eloop.signal_count].sig = sig;
+	tmp[eloop.signal_count].user_data = user_data;
+	tmp[eloop.signal_count].handler = handler;
+	tmp[eloop.signal_count].signaled = 0;
+	eloop.signal_count++;
+	eloop.signals = tmp;
+
+	/* TODO: register signal handler */
+
+	return 0;
+}
+
+
+#ifndef _WIN32_WCE
+static BOOL eloop_handle_console_ctrl(DWORD type)
+{
+	switch (type) {
+	case CTRL_C_EVENT:
+	case CTRL_BREAK_EVENT:
+		eloop.signaled++;
+		eloop.term_signal.signaled++;
+		SetEvent(eloop.term_event);
+		return TRUE;
+	default:
+		return FALSE;
+	}
+}
+#endif /* _WIN32_WCE */
+
+
+int eloop_register_signal_terminate(eloop_signal_handler handler,
+				    void *user_data)
+{
+#ifndef _WIN32_WCE
+	if (SetConsoleCtrlHandler((PHANDLER_ROUTINE) eloop_handle_console_ctrl,
+				  TRUE) == 0) {
+		printf("SetConsoleCtrlHandler() failed: %d\n",
+		       (int) GetLastError());
+		return -1;
+	}
+#endif /* _WIN32_WCE */
+
+	eloop.term_signal.handler = handler;
+	eloop.term_signal.user_data = user_data;
+		
+	return 0;
+}
+
+
+int eloop_register_signal_reconfig(eloop_signal_handler handler,
+				   void *user_data)
+{
+	/* TODO */
+	return 0;
+}
+
+
+void eloop_run(void)
+{
+	struct os_time tv, now;
+	DWORD count, ret, timeout, err;
+	size_t i;
+
+	while (!eloop.terminate &&
+	       (eloop.timeout || eloop.reader_count > 0 ||
+		eloop.event_count > 0)) {
+		tv.sec = tv.usec = 0;
+		if (eloop.timeout) {
+			os_get_time(&now);
+			if (os_time_before(&now, &eloop.timeout->time))
+				os_time_sub(&eloop.timeout->time, &now, &tv);
+		}
+
+		count = 0;
+		for (i = 0; i < eloop.event_count; i++)
+			eloop.handles[count++] = eloop.events[i].event;
+
+		for (i = 0; i < eloop.reader_count; i++)
+			eloop.handles[count++] = eloop.readers[i].event;
+
+		if (eloop.term_event)
+			eloop.handles[count++] = eloop.term_event;
+
+		if (eloop.timeout)
+			timeout = tv.sec * 1000 + tv.usec / 1000;
+		else
+			timeout = INFINITE;
+
+		if (count > MAXIMUM_WAIT_OBJECTS) {
+			printf("WaitForMultipleObjects: Too many events: "
+			       "%d > %d (ignoring extra events)\n",
+			       (int) count, MAXIMUM_WAIT_OBJECTS);
+			count = MAXIMUM_WAIT_OBJECTS;
+		}
+#ifdef _WIN32_WCE
+		ret = WaitForMultipleObjects(count, eloop.handles, FALSE,
+					     timeout);
+#else /* _WIN32_WCE */
+		ret = WaitForMultipleObjectsEx(count, eloop.handles, FALSE,
+					       timeout, TRUE);
+#endif /* _WIN32_WCE */
+		err = GetLastError();
+
+		eloop_process_pending_signals();
+
+		/* check if some registered timeouts have occurred */
+		if (eloop.timeout) {
+			struct eloop_timeout *tmp;
+
+			os_get_time(&now);
+			if (!os_time_before(&now, &eloop.timeout->time)) {
+				tmp = eloop.timeout;
+				eloop.timeout = eloop.timeout->next;
+				tmp->handler(tmp->eloop_data,
+					     tmp->user_data);
+				os_free(tmp);
+			}
+
+		}
+
+		if (ret == WAIT_FAILED) {
+			printf("WaitForMultipleObjects(count=%d) failed: %d\n",
+			       (int) count, (int) err);
+			os_sleep(1, 0);
+			continue;
+		}
+
+#ifndef _WIN32_WCE
+		if (ret == WAIT_IO_COMPLETION)
+			continue;
+#endif /* _WIN32_WCE */
+
+		if (ret == WAIT_TIMEOUT)
+			continue;
+
+		while (ret >= WAIT_OBJECT_0 &&
+		       ret < WAIT_OBJECT_0 + eloop.event_count) {
+			eloop.events[ret].handler(
+				eloop.events[ret].eloop_data,
+				eloop.events[ret].user_data);
+			ret = WaitForMultipleObjects(eloop.event_count,
+						     eloop.handles, FALSE, 0);
+		}
+
+		eloop.reader_table_changed = 0;
+		for (i = 0; i < eloop.reader_count; i++) {
+			WSANETWORKEVENTS events;
+			if (WSAEnumNetworkEvents(eloop.readers[i].sock,
+						 eloop.readers[i].event,
+						 &events) == 0 &&
+			    (events.lNetworkEvents & FD_READ)) {
+				eloop.readers[i].handler(
+					eloop.readers[i].sock,
+					eloop.readers[i].eloop_data,
+					eloop.readers[i].user_data);
+				if (eloop.reader_table_changed)
+					break;
+			}
+		}
+	}
+}
+
+
+void eloop_terminate(void)
+{
+	eloop.terminate = 1;
+	SetEvent(eloop.term_event);
+}
+
+
+void eloop_destroy(void)
+{
+	struct eloop_timeout *timeout, *prev;
+
+	timeout = eloop.timeout;
+	while (timeout != NULL) {
+		prev = timeout;
+		timeout = timeout->next;
+		os_free(prev);
+	}
+	os_free(eloop.readers);
+	os_free(eloop.signals);
+	if (eloop.term_event)
+		CloseHandle(eloop.term_event);
+	os_free(eloop.handles);
+	eloop.handles = NULL;
+	os_free(eloop.events);
+	eloop.events = NULL;
+}
+
+
+int eloop_terminated(void)
+{
+	return eloop.terminate;
+}
+
+
+void eloop_wait_for_read_sock(int sock)
+{
+	WSAEVENT event;
+
+	event = WSACreateEvent();
+	if (event == WSA_INVALID_EVENT) {
+		printf("WSACreateEvent() failed: %d\n", WSAGetLastError());
+		return;
+	}
+
+	if (WSAEventSelect(sock, event, FD_READ)) {
+		printf("WSAEventSelect() failed: %d\n", WSAGetLastError());
+		WSACloseEvent(event);
+		return ;
+	}
+
+	WaitForSingleObject(event, INFINITE);
+	WSAEventSelect(sock, event, 0);
+	WSACloseEvent(event);
+}
diff --git a/src/utils/includes.h b/src/utils/includes.h
new file mode 100644
index 0000000..63b5c23
--- /dev/null
+++ b/src/utils/includes.h
@@ -0,0 +1,59 @@
+/*
+ * wpa_supplicant/hostapd - Default include files
+ * Copyright (c) 2005-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This header file is included into all C files so that commonly used header
+ * files can be selected with OS specific ifdef blocks in one place instead of
+ * having to have OS/C library specific selection in many files.
+ */
+
+#ifndef INCLUDES_H
+#define INCLUDES_H
+
+/* Include possible build time configuration before including anything else */
+#include "build_config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#ifndef _WIN32_WCE
+#ifndef CONFIG_TI_COMPILER
+#include <signal.h>
+#include <sys/types.h>
+#endif /* CONFIG_TI_COMPILER */
+#include <errno.h>
+#endif /* _WIN32_WCE */
+#include <ctype.h>
+#include <time.h>
+
+#ifndef CONFIG_TI_COMPILER
+#ifndef _MSC_VER
+#include <unistd.h>
+#endif /* _MSC_VER */
+#endif /* CONFIG_TI_COMPILER */
+
+#ifndef CONFIG_NATIVE_WINDOWS
+#ifndef CONFIG_TI_COMPILER
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#ifndef __vxworks
+#ifndef __SYMBIAN32__
+#include <sys/uio.h>
+#endif /* __SYMBIAN32__ */
+#include <sys/time.h>
+#endif /* __vxworks */
+#endif /* CONFIG_TI_COMPILER */
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+#endif /* INCLUDES_H */
diff --git a/src/utils/ip_addr.c b/src/utils/ip_addr.c
new file mode 100644
index 0000000..158fd57
--- /dev/null
+++ b/src/utils/ip_addr.c
@@ -0,0 +1,83 @@
+/*
+ * IP address processing
+ * Copyright (c) 2003-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "ip_addr.h"
+
+const char * hostapd_ip_txt(const struct hostapd_ip_addr *addr, char *buf,
+			    size_t buflen)
+{
+	if (buflen == 0 || addr == NULL)
+		return NULL;
+
+	if (addr->af == AF_INET) {
+		os_strlcpy(buf, inet_ntoa(addr->u.v4), buflen);
+	} else {
+		buf[0] = '\0';
+	}
+#ifdef CONFIG_IPV6
+	if (addr->af == AF_INET6) {
+		if (inet_ntop(AF_INET6, &addr->u.v6, buf, buflen) == NULL)
+			buf[0] = '\0';
+	}
+#endif /* CONFIG_IPV6 */
+
+	return buf;
+}
+
+
+int hostapd_ip_diff(struct hostapd_ip_addr *a, struct hostapd_ip_addr *b)
+{
+	if (a == NULL && b == NULL)
+		return 0;
+	if (a == NULL || b == NULL)
+		return 1;
+
+	switch (a->af) {
+	case AF_INET:
+		if (a->u.v4.s_addr != b->u.v4.s_addr)
+			return 1;
+		break;
+#ifdef CONFIG_IPV6
+	case AF_INET6:
+		if (os_memcmp(&a->u.v6, &b->u.v6, sizeof(a->u.v6)) != 0)
+			return 1;
+		break;
+#endif /* CONFIG_IPV6 */
+	}
+
+	return 0;
+}
+
+
+int hostapd_parse_ip_addr(const char *txt, struct hostapd_ip_addr *addr)
+{
+#ifndef CONFIG_NATIVE_WINDOWS
+	if (inet_aton(txt, &addr->u.v4)) {
+		addr->af = AF_INET;
+		return 0;
+	}
+
+#ifdef CONFIG_IPV6
+	if (inet_pton(AF_INET6, txt, &addr->u.v6) > 0) {
+		addr->af = AF_INET6;
+		return 0;
+	}
+#endif /* CONFIG_IPV6 */
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+	return -1;
+}
diff --git a/src/utils/ip_addr.h b/src/utils/ip_addr.h
new file mode 100644
index 0000000..28ccaef
--- /dev/null
+++ b/src/utils/ip_addr.h
@@ -0,0 +1,34 @@
+/*
+ * IP address processing
+ * Copyright (c) 2003-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef IP_ADDR_H
+#define IP_ADDR_H
+
+struct hostapd_ip_addr {
+	int af; /* AF_INET / AF_INET6 */
+	union {
+		struct in_addr v4;
+#ifdef CONFIG_IPV6
+		struct in6_addr v6;
+#endif /* CONFIG_IPV6 */
+		u8 max_len[16];
+	} u;
+};
+
+const char * hostapd_ip_txt(const struct hostapd_ip_addr *addr, char *buf,
+			    size_t buflen);
+int hostapd_ip_diff(struct hostapd_ip_addr *a, struct hostapd_ip_addr *b);
+int hostapd_parse_ip_addr(const char *txt, struct hostapd_ip_addr *addr);
+
+#endif /* IP_ADDR_H */
diff --git a/src/utils/list.h b/src/utils/list.h
new file mode 100644
index 0000000..ded7846
--- /dev/null
+++ b/src/utils/list.h
@@ -0,0 +1,98 @@
+/*
+ * Doubly-linked list
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef LIST_H
+#define LIST_H
+
+/**
+ * struct dl_list - Doubly-linked list
+ */
+struct dl_list {
+	struct dl_list *next;
+	struct dl_list *prev;
+};
+
+static inline void dl_list_init(struct dl_list *list)
+{
+	list->next = list;
+	list->prev = list;
+}
+
+static inline void dl_list_add(struct dl_list *list, struct dl_list *item)
+{
+	item->next = list->next;
+	item->prev = list;
+	list->next->prev = item;
+	list->next = item;
+}
+
+static inline void dl_list_add_tail(struct dl_list *list, struct dl_list *item)
+{
+	dl_list_add(list->prev, item);
+}
+
+static inline void dl_list_del(struct dl_list *item)
+{
+	item->next->prev = item->prev;
+	item->prev->next = item->next;
+	item->next = NULL;
+	item->prev = NULL;
+}
+
+static inline int dl_list_empty(struct dl_list *list)
+{
+	return list->next == list;
+}
+
+static inline unsigned int dl_list_len(struct dl_list *list)
+{
+	struct dl_list *item;
+	int count = 0;
+	for (item = list->next; item != list; item = item->next)
+		count++;
+	return count;
+}
+
+#ifndef offsetof
+#define offsetof(type, member) ((long) &((type *) 0)->member)
+#endif
+
+#define dl_list_entry(item, type, member) \
+	((type *) ((char *) item - offsetof(type, member)))
+
+#define dl_list_first(list, type, member) \
+	(dl_list_empty((list)) ? NULL : \
+	 dl_list_entry((list)->next, type, member))
+
+#define dl_list_last(list, type, member) \
+	(dl_list_empty((list)) ? NULL : \
+	 dl_list_entry((list)->prev, type, member))
+
+#define dl_list_for_each(item, list, type, member) \
+	for (item = dl_list_entry((list)->next, type, member); \
+	     &item->member != (list); \
+	     item = dl_list_entry(item->member.next, type, member))
+
+#define dl_list_for_each_safe(item, n, list, type, member) \
+	for (item = dl_list_entry((list)->next, type, member), \
+		     n = dl_list_entry(item->member.next, type, member); \
+	     &item->member != (list); \
+	     item = n, n = dl_list_entry(n->member.next, type, member))
+
+#define dl_list_for_each_reverse(item, list, type, member) \
+	for (item = dl_list_entry((list)->prev, type, member); \
+	     &item->member != (list); \
+	     item = dl_list_entry(item->member.prev, type, member))
+
+#endif /* LIST_H */
diff --git a/src/utils/os.h b/src/utils/os.h
new file mode 100644
index 0000000..f4723d8
--- /dev/null
+++ b/src/utils/os.h
@@ -0,0 +1,508 @@
+/*
+ * OS specific functions
+ * Copyright (c) 2005-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef OS_H
+#define OS_H
+
+typedef long os_time_t;
+
+/**
+ * os_sleep - Sleep (sec, usec)
+ * @sec: Number of seconds to sleep
+ * @usec: Number of microseconds to sleep
+ */
+void os_sleep(os_time_t sec, os_time_t usec);
+
+struct os_time {
+	os_time_t sec;
+	os_time_t usec;
+};
+
+/**
+ * os_get_time - Get current time (sec, usec)
+ * @t: Pointer to buffer for the time
+ * Returns: 0 on success, -1 on failure
+ */
+int os_get_time(struct os_time *t);
+
+
+/* Helper macros for handling struct os_time */
+
+#define os_time_before(a, b) \
+	((a)->sec < (b)->sec || \
+	 ((a)->sec == (b)->sec && (a)->usec < (b)->usec))
+
+#define os_time_sub(a, b, res) do { \
+	(res)->sec = (a)->sec - (b)->sec; \
+	(res)->usec = (a)->usec - (b)->usec; \
+	if ((res)->usec < 0) { \
+		(res)->sec--; \
+		(res)->usec += 1000000; \
+	} \
+} while (0)
+
+/**
+ * os_mktime - Convert broken-down time into seconds since 1970-01-01
+ * @year: Four digit year
+ * @month: Month (1 .. 12)
+ * @day: Day of month (1 .. 31)
+ * @hour: Hour (0 .. 23)
+ * @min: Minute (0 .. 59)
+ * @sec: Second (0 .. 60)
+ * @t: Buffer for returning calendar time representation (seconds since
+ * 1970-01-01 00:00:00)
+ * Returns: 0 on success, -1 on failure
+ *
+ * Note: The result is in seconds from Epoch, i.e., in UTC, not in local time
+ * which is used by POSIX mktime().
+ */
+int os_mktime(int year, int month, int day, int hour, int min, int sec,
+	      os_time_t *t);
+
+
+/**
+ * os_daemonize - Run in the background (detach from the controlling terminal)
+ * @pid_file: File name to write the process ID to or %NULL to skip this
+ * Returns: 0 on success, -1 on failure
+ */
+int os_daemonize(const char *pid_file);
+
+/**
+ * os_daemonize_terminate - Stop running in the background (remove pid file)
+ * @pid_file: File name to write the process ID to or %NULL to skip this
+ */
+void os_daemonize_terminate(const char *pid_file);
+
+/**
+ * os_get_random - Get cryptographically strong pseudo random data
+ * @buf: Buffer for pseudo random data
+ * @len: Length of the buffer
+ * Returns: 0 on success, -1 on failure
+ */
+int os_get_random(unsigned char *buf, size_t len);
+
+/**
+ * os_random - Get pseudo random value (not necessarily very strong)
+ * Returns: Pseudo random value
+ */
+unsigned long os_random(void);
+
+/**
+ * os_rel2abs_path - Get an absolute path for a file
+ * @rel_path: Relative path to a file
+ * Returns: Absolute path for the file or %NULL on failure
+ *
+ * This function tries to convert a relative path of a file to an absolute path
+ * in order for the file to be found even if current working directory has
+ * changed. The returned value is allocated and caller is responsible for
+ * freeing it. It is acceptable to just return the same path in an allocated
+ * buffer, e.g., return strdup(rel_path). This function is only used to find
+ * configuration files when os_daemonize() may have changed the current working
+ * directory and relative path would be pointing to a different location.
+ */
+char * os_rel2abs_path(const char *rel_path);
+
+/**
+ * os_program_init - Program initialization (called at start)
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is called when a programs starts. If there are any OS specific
+ * processing that is needed, it can be placed here. It is also acceptable to
+ * just return 0 if not special processing is needed.
+ */
+int os_program_init(void);
+
+/**
+ * os_program_deinit - Program deinitialization (called just before exit)
+ *
+ * This function is called just before a program exists. If there are any OS
+ * specific processing, e.g., freeing resourced allocated in os_program_init(),
+ * it should be done here. It is also acceptable for this function to do
+ * nothing.
+ */
+void os_program_deinit(void);
+
+/**
+ * os_setenv - Set environment variable
+ * @name: Name of the variable
+ * @value: Value to set to the variable
+ * @overwrite: Whether existing variable should be overwritten
+ * Returns: 0 on success, -1 on error
+ *
+ * This function is only used for wpa_cli action scripts. OS wrapper does not
+ * need to implement this if such functionality is not needed.
+ */
+int os_setenv(const char *name, const char *value, int overwrite);
+
+/**
+ * os_unsetenv - Delete environent variable
+ * @name: Name of the variable
+ * Returns: 0 on success, -1 on error
+ *
+ * This function is only used for wpa_cli action scripts. OS wrapper does not
+ * need to implement this if such functionality is not needed.
+ */
+int os_unsetenv(const char *name);
+
+/**
+ * os_readfile - Read a file to an allocated memory buffer
+ * @name: Name of the file to read
+ * @len: For returning the length of the allocated buffer
+ * Returns: Pointer to the allocated buffer or %NULL on failure
+ *
+ * This function allocates memory and reads the given file to this buffer. Both
+ * binary and text files can be read with this function. The caller is
+ * responsible for freeing the returned buffer with os_free().
+ */
+char * os_readfile(const char *name, size_t *len);
+
+/**
+ * os_zalloc - Allocate and zero memory
+ * @size: Number of bytes to allocate
+ * Returns: Pointer to allocated and zeroed memory or %NULL on failure
+ *
+ * Caller is responsible for freeing the returned buffer with os_free().
+ */
+void * os_zalloc(size_t size);
+
+
+/*
+ * The following functions are wrapper for standard ANSI C or POSIX functions.
+ * By default, they are just defined to use the standard function name and no
+ * os_*.c implementation is needed for them. This avoids extra function calls
+ * by allowing the C pre-processor take care of the function name mapping.
+ *
+ * If the target system uses a C library that does not provide these functions,
+ * build_config.h can be used to define the wrappers to use a different
+ * function name. This can be done on function-by-function basis since the
+ * defines here are only used if build_config.h does not define the os_* name.
+ * If needed, os_*.c file can be used to implement the functions that are not
+ * included in the C library on the target system. Alternatively,
+ * OS_NO_C_LIB_DEFINES can be defined to skip all defines here in which case
+ * these functions need to be implemented in os_*.c file for the target system.
+ */
+
+#ifdef OS_NO_C_LIB_DEFINES
+
+/**
+ * os_malloc - Allocate dynamic memory
+ * @size: Size of the buffer to allocate
+ * Returns: Allocated buffer or %NULL on failure
+ *
+ * Caller is responsible for freeing the returned buffer with os_free().
+ */
+void * os_malloc(size_t size);
+
+/**
+ * os_realloc - Re-allocate dynamic memory
+ * @ptr: Old buffer from os_malloc() or os_realloc()
+ * @size: Size of the new buffer
+ * Returns: Allocated buffer or %NULL on failure
+ *
+ * Caller is responsible for freeing the returned buffer with os_free().
+ * If re-allocation fails, %NULL is returned and the original buffer (ptr) is
+ * not freed and caller is still responsible for freeing it.
+ */
+void * os_realloc(void *ptr, size_t size);
+
+/**
+ * os_free - Free dynamic memory
+ * @ptr: Old buffer from os_malloc() or os_realloc(); can be %NULL
+ */
+void os_free(void *ptr);
+
+/**
+ * os_memcpy - Copy memory area
+ * @dest: Destination
+ * @src: Source
+ * @n: Number of bytes to copy
+ * Returns: dest
+ *
+ * The memory areas src and dst must not overlap. os_memmove() can be used with
+ * overlapping memory.
+ */
+void * os_memcpy(void *dest, const void *src, size_t n);
+
+/**
+ * os_memmove - Copy memory area
+ * @dest: Destination
+ * @src: Source
+ * @n: Number of bytes to copy
+ * Returns: dest
+ *
+ * The memory areas src and dst may overlap.
+ */
+void * os_memmove(void *dest, const void *src, size_t n);
+
+/**
+ * os_memset - Fill memory with a constant byte
+ * @s: Memory area to be filled
+ * @c: Constant byte
+ * @n: Number of bytes started from s to fill with c
+ * Returns: s
+ */
+void * os_memset(void *s, int c, size_t n);
+
+/**
+ * os_memcmp - Compare memory areas
+ * @s1: First buffer
+ * @s2: Second buffer
+ * @n: Maximum numbers of octets to compare
+ * Returns: An integer less than, equal to, or greater than zero if s1 is
+ * found to be less than, to match, or be greater than s2. Only first n
+ * characters will be compared.
+ */
+int os_memcmp(const void *s1, const void *s2, size_t n);
+
+/**
+ * os_strdup - Duplicate a string
+ * @s: Source string
+ * Returns: Allocated buffer with the string copied into it or %NULL on failure
+ *
+ * Caller is responsible for freeing the returned buffer with os_free().
+ */
+char * os_strdup(const char *s);
+
+/**
+ * os_strlen - Calculate the length of a string
+ * @s: '\0' terminated string
+ * Returns: Number of characters in s (not counting the '\0' terminator)
+ */
+size_t os_strlen(const char *s);
+
+/**
+ * os_strcasecmp - Compare two strings ignoring case
+ * @s1: First string
+ * @s2: Second string
+ * Returns: An integer less than, equal to, or greater than zero if s1 is
+ * found to be less than, to match, or be greatred than s2
+ */
+int os_strcasecmp(const char *s1, const char *s2);
+
+/**
+ * os_strncasecmp - Compare two strings ignoring case
+ * @s1: First string
+ * @s2: Second string
+ * @n: Maximum numbers of characters to compare
+ * Returns: An integer less than, equal to, or greater than zero if s1 is
+ * found to be less than, to match, or be greater than s2. Only first n
+ * characters will be compared.
+ */
+int os_strncasecmp(const char *s1, const char *s2, size_t n);
+
+/**
+ * os_strchr - Locate the first occurrence of a character in string
+ * @s: String
+ * @c: Character to search for
+ * Returns: Pointer to the matched character or %NULL if not found
+ */
+char * os_strchr(const char *s, int c);
+
+/**
+ * os_strrchr - Locate the last occurrence of a character in string
+ * @s: String
+ * @c: Character to search for
+ * Returns: Pointer to the matched character or %NULL if not found
+ */
+char * os_strrchr(const char *s, int c);
+
+/**
+ * os_strcmp - Compare two strings
+ * @s1: First string
+ * @s2: Second string
+ * Returns: An integer less than, equal to, or greater than zero if s1 is
+ * found to be less than, to match, or be greatred than s2
+ */
+int os_strcmp(const char *s1, const char *s2);
+
+/**
+ * os_strncmp - Compare two strings
+ * @s1: First string
+ * @s2: Second string
+ * @n: Maximum numbers of characters to compare
+ * Returns: An integer less than, equal to, or greater than zero if s1 is
+ * found to be less than, to match, or be greater than s2. Only first n
+ * characters will be compared.
+ */
+int os_strncmp(const char *s1, const char *s2, size_t n);
+
+/**
+ * os_strncpy - Copy a string
+ * @dest: Destination
+ * @src: Source
+ * @n: Maximum number of characters to copy
+ * Returns: dest
+ */
+char * os_strncpy(char *dest, const char *src, size_t n);
+
+/**
+ * os_strstr - Locate a substring
+ * @haystack: String (haystack) to search from
+ * @needle: Needle to search from haystack
+ * Returns: Pointer to the beginning of the substring or %NULL if not found
+ */
+char * os_strstr(const char *haystack, const char *needle);
+
+/**
+ * os_snprintf - Print to a memory buffer
+ * @str: Memory buffer to print into
+ * @size: Maximum length of the str buffer
+ * @format: printf format
+ * Returns: Number of characters printed (not including trailing '\0').
+ *
+ * If the output buffer is truncated, number of characters which would have
+ * been written is returned. Since some C libraries return -1 in such a case,
+ * the caller must be prepared on that value, too, to indicate truncation.
+ *
+ * Note: Some C library implementations of snprintf() may not guarantee null
+ * termination in case the output is truncated. The OS wrapper function of
+ * os_snprintf() should provide this guarantee, i.e., to null terminate the
+ * output buffer if a C library version of the function is used and if that
+ * function does not guarantee null termination.
+ *
+ * If the target system does not include snprintf(), see, e.g.,
+ * http://www.ijs.si/software/snprintf/ for an example of a portable
+ * implementation of snprintf.
+ */
+int os_snprintf(char *str, size_t size, const char *format, ...);
+
+#else /* OS_NO_C_LIB_DEFINES */
+
+#ifdef WPA_TRACE
+void * os_malloc(size_t size);
+void * os_realloc(void *ptr, size_t size);
+void os_free(void *ptr);
+char * os_strdup(const char *s);
+#else /* WPA_TRACE */
+#ifndef os_malloc
+#define os_malloc(s) malloc((s))
+#endif
+#ifndef os_realloc
+#define os_realloc(p, s) realloc((p), (s))
+#endif
+#ifndef os_free
+#define os_free(p) free((p))
+#endif
+#ifndef os_strdup
+#ifdef _MSC_VER
+#define os_strdup(s) _strdup(s)
+#else
+#define os_strdup(s) strdup(s)
+#endif
+#endif
+#endif /* WPA_TRACE */
+
+#ifndef os_memcpy
+#define os_memcpy(d, s, n) memcpy((d), (s), (n))
+#endif
+#ifndef os_memmove
+#define os_memmove(d, s, n) memmove((d), (s), (n))
+#endif
+#ifndef os_memset
+#define os_memset(s, c, n) memset(s, c, n)
+#endif
+#ifndef os_memcmp
+#define os_memcmp(s1, s2, n) memcmp((s1), (s2), (n))
+#endif
+
+#ifndef os_strlen
+#define os_strlen(s) strlen(s)
+#endif
+#ifndef os_strcasecmp
+#ifdef _MSC_VER
+#define os_strcasecmp(s1, s2) _stricmp((s1), (s2))
+#else
+#define os_strcasecmp(s1, s2) strcasecmp((s1), (s2))
+#endif
+#endif
+#ifndef os_strncasecmp
+#ifdef _MSC_VER
+#define os_strncasecmp(s1, s2, n) _strnicmp((s1), (s2), (n))
+#else
+#define os_strncasecmp(s1, s2, n) strncasecmp((s1), (s2), (n))
+#endif
+#endif
+#ifndef os_strchr
+#define os_strchr(s, c) strchr((s), (c))
+#endif
+#ifndef os_strcmp
+#define os_strcmp(s1, s2) strcmp((s1), (s2))
+#endif
+#ifndef os_strncmp
+#define os_strncmp(s1, s2, n) strncmp((s1), (s2), (n))
+#endif
+#ifndef os_strncpy
+#define os_strncpy(d, s, n) strncpy((d), (s), (n))
+#endif
+#ifndef os_strrchr
+#define os_strrchr(s, c) strrchr((s), (c))
+#endif
+#ifndef os_strstr
+#define os_strstr(h, n) strstr((h), (n))
+#endif
+
+#ifndef os_snprintf
+#ifdef _MSC_VER
+#define os_snprintf _snprintf
+#else
+#define os_snprintf snprintf
+#endif
+#endif
+
+#endif /* OS_NO_C_LIB_DEFINES */
+
+
+/**
+ * os_strlcpy - Copy a string with size bound and NUL-termination
+ * @dest: Destination
+ * @src: Source
+ * @siz: Size of the target buffer
+ * Returns: Total length of the target string (length of src) (not including
+ * NUL-termination)
+ *
+ * This function matches in behavior with the strlcpy(3) function in OpenBSD.
+ */
+size_t os_strlcpy(char *dest, const char *src, size_t siz);
+
+
+#ifdef OS_REJECT_C_LIB_FUNCTIONS
+#define malloc OS_DO_NOT_USE_malloc
+#define realloc OS_DO_NOT_USE_realloc
+#define free OS_DO_NOT_USE_free
+#define memcpy OS_DO_NOT_USE_memcpy
+#define memmove OS_DO_NOT_USE_memmove
+#define memset OS_DO_NOT_USE_memset
+#define memcmp OS_DO_NOT_USE_memcmp
+#undef strdup
+#define strdup OS_DO_NOT_USE_strdup
+#define strlen OS_DO_NOT_USE_strlen
+#define strcasecmp OS_DO_NOT_USE_strcasecmp
+#define strncasecmp OS_DO_NOT_USE_strncasecmp
+#undef strchr
+#define strchr OS_DO_NOT_USE_strchr
+#undef strcmp
+#define strcmp OS_DO_NOT_USE_strcmp
+#undef strncmp
+#define strncmp OS_DO_NOT_USE_strncmp
+#undef strncpy
+#define strncpy OS_DO_NOT_USE_strncpy
+#define strrchr OS_DO_NOT_USE_strrchr
+#define strstr OS_DO_NOT_USE_strstr
+#undef snprintf
+#define snprintf OS_DO_NOT_USE_snprintf
+
+#define strcpy OS_DO_NOT_USE_strcpy
+#endif /* OS_REJECT_C_LIB_FUNCTIONS */
+
+#endif /* OS_H */
diff --git a/src/utils/os_internal.c b/src/utils/os_internal.c
new file mode 100644
index 0000000..5260e23
--- /dev/null
+++ b/src/utils/os_internal.c
@@ -0,0 +1,471 @@
+/*
+ * wpa_supplicant/hostapd / Internal implementation of OS specific functions
+ * Copyright (c) 2005-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This file is an example of operating system specific  wrapper functions.
+ * This version implements many of the functions internally, so it can be used
+ * to fill in missing functions from the target system C libraries.
+ *
+ * Some of the functions are using standard C library calls in order to keep
+ * this file in working condition to allow the functions to be tested on a
+ * Linux target. Please note that OS_NO_C_LIB_DEFINES needs to be defined for
+ * this file to work correctly. Note that these implementations are only
+ * examples and are not optimized for speed.
+ */
+
+#include "includes.h"
+
+#undef OS_REJECT_C_LIB_FUNCTIONS
+#include "os.h"
+
+void os_sleep(os_time_t sec, os_time_t usec)
+{
+	if (sec)
+		sleep(sec);
+	if (usec)
+		usleep(usec);
+}
+
+
+int os_get_time(struct os_time *t)
+{
+	int res;
+	struct timeval tv;
+	res = gettimeofday(&tv, NULL);
+	t->sec = tv.tv_sec;
+	t->usec = tv.tv_usec;
+	return res;
+}
+
+
+int os_mktime(int year, int month, int day, int hour, int min, int sec,
+	      os_time_t *t)
+{
+	struct tm tm;
+
+	if (year < 1970 || month < 1 || month > 12 || day < 1 || day > 31 ||
+	    hour < 0 || hour > 23 || min < 0 || min > 59 || sec < 0 ||
+	    sec > 60)
+		return -1;
+
+	os_memset(&tm, 0, sizeof(tm));
+	tm.tm_year = year - 1900;
+	tm.tm_mon = month - 1;
+	tm.tm_mday = day;
+	tm.tm_hour = hour;
+	tm.tm_min = min;
+	tm.tm_sec = sec;
+
+	*t = (os_time_t) mktime(&tm);
+	return 0;
+}
+
+
+int os_daemonize(const char *pid_file)
+{
+	if (daemon(0, 0)) {
+		perror("daemon");
+		return -1;
+	}
+
+	if (pid_file) {
+		FILE *f = fopen(pid_file, "w");
+		if (f) {
+			fprintf(f, "%u\n", getpid());
+			fclose(f);
+		}
+	}
+
+	return -0;
+}
+
+
+void os_daemonize_terminate(const char *pid_file)
+{
+	if (pid_file)
+		unlink(pid_file);
+}
+
+
+int os_get_random(unsigned char *buf, size_t len)
+{
+	FILE *f;
+	size_t rc;
+
+	f = fopen("/dev/urandom", "rb");
+	if (f == NULL) {
+		printf("Could not open /dev/urandom.\n");
+		return -1;
+	}
+
+	rc = fread(buf, 1, len, f);
+	fclose(f);
+
+	return rc != len ? -1 : 0;
+}
+
+
+unsigned long os_random(void)
+{
+	return random();
+}
+
+
+char * os_rel2abs_path(const char *rel_path)
+{
+	char *buf = NULL, *cwd, *ret;
+	size_t len = 128, cwd_len, rel_len, ret_len;
+
+	if (rel_path[0] == '/')
+		return os_strdup(rel_path);
+
+	for (;;) {
+		buf = os_malloc(len);
+		if (buf == NULL)
+			return NULL;
+		cwd = getcwd(buf, len);
+		if (cwd == NULL) {
+			os_free(buf);
+			if (errno != ERANGE) {
+				return NULL;
+			}
+			len *= 2;
+		} else {
+			break;
+		}
+	}
+
+	cwd_len = strlen(cwd);
+	rel_len = strlen(rel_path);
+	ret_len = cwd_len + 1 + rel_len + 1;
+	ret = os_malloc(ret_len);
+	if (ret) {
+		os_memcpy(ret, cwd, cwd_len);
+		ret[cwd_len] = '/';
+		os_memcpy(ret + cwd_len + 1, rel_path, rel_len);
+		ret[ret_len - 1] = '\0';
+	}
+	os_free(buf);
+	return ret;
+}
+
+
+int os_program_init(void)
+{
+	return 0;
+}
+
+
+void os_program_deinit(void)
+{
+}
+
+
+int os_setenv(const char *name, const char *value, int overwrite)
+{
+	return setenv(name, value, overwrite);
+}
+
+
+int os_unsetenv(const char *name)
+{
+#if defined(__FreeBSD__) || defined(__NetBSD__)
+	unsetenv(name);
+	return 0;
+#else
+	return unsetenv(name);
+#endif
+}
+
+
+char * os_readfile(const char *name, size_t *len)
+{
+	FILE *f;
+	char *buf;
+
+	f = fopen(name, "rb");
+	if (f == NULL)
+		return NULL;
+
+	fseek(f, 0, SEEK_END);
+	*len = ftell(f);
+	fseek(f, 0, SEEK_SET);
+
+	buf = os_malloc(*len);
+	if (buf == NULL) {
+		fclose(f);
+		return NULL;
+	}
+
+	if (fread(buf, 1, *len, f) != *len) {
+		fclose(f);
+		os_free(buf);
+		return NULL;
+	}
+
+	fclose(f);
+
+	return buf;
+}
+
+
+void * os_zalloc(size_t size)
+{
+	void *n = os_malloc(size);
+	if (n)
+		os_memset(n, 0, size);
+	return n;
+}
+
+
+void * os_malloc(size_t size)
+{
+	return malloc(size);
+}
+
+
+void * os_realloc(void *ptr, size_t size)
+{
+	return realloc(ptr, size);
+}
+
+
+void os_free(void *ptr)
+{
+	free(ptr);
+}
+
+
+void * os_memcpy(void *dest, const void *src, size_t n)
+{
+	char *d = dest;
+	const char *s = src;
+	while (n--)
+		*d++ = *s++;
+	return dest;
+}
+
+
+void * os_memmove(void *dest, const void *src, size_t n)
+{
+	if (dest < src)
+		os_memcpy(dest, src, n);
+	else {
+		/* overlapping areas */
+		char *d = (char *) dest + n;
+		const char *s = (const char *) src + n;
+		while (n--)
+			*--d = *--s;
+	}
+	return dest;
+}
+
+
+void * os_memset(void *s, int c, size_t n)
+{
+	char *p = s;
+	while (n--)
+		*p++ = c;
+	return s;
+}
+
+
+int os_memcmp(const void *s1, const void *s2, size_t n)
+{
+	const unsigned char *p1 = s1, *p2 = s2;
+
+	if (n == 0)
+		return 0;
+
+	while (*p1 == *p2) {
+		p1++;
+		p2++;
+		n--;
+		if (n == 0)
+			return 0;
+	}
+
+	return *p1 - *p2;
+}
+
+
+char * os_strdup(const char *s)
+{
+	char *res;
+	size_t len;
+	if (s == NULL)
+		return NULL;
+	len = os_strlen(s);
+	res = os_malloc(len + 1);
+	if (res)
+		os_memcpy(res, s, len + 1);
+	return res;
+}
+
+
+size_t os_strlen(const char *s)
+{
+	const char *p = s;
+	while (*p)
+		p++;
+	return p - s;
+}
+
+
+int os_strcasecmp(const char *s1, const char *s2)
+{
+	/*
+	 * Ignoring case is not required for main functionality, so just use
+	 * the case sensitive version of the function.
+	 */
+	return os_strcmp(s1, s2);
+}
+
+
+int os_strncasecmp(const char *s1, const char *s2, size_t n)
+{
+	/*
+	 * Ignoring case is not required for main functionality, so just use
+	 * the case sensitive version of the function.
+	 */
+	return os_strncmp(s1, s2, n);
+}
+
+
+char * os_strchr(const char *s, int c)
+{
+	while (*s) {
+		if (*s == c)
+			return (char *) s;
+		s++;
+	}
+	return NULL;
+}
+
+
+char * os_strrchr(const char *s, int c)
+{
+	const char *p = s;
+	while (*p)
+		p++;
+	p--;
+	while (p >= s) {
+		if (*p == c)
+			return (char *) p;
+		p--;
+	}
+	return NULL;
+}
+
+
+int os_strcmp(const char *s1, const char *s2)
+{
+	while (*s1 == *s2) {
+		if (*s1 == '\0')
+			break;
+		s1++;
+		s2++;
+	}
+
+	return *s1 - *s2;
+}
+
+
+int os_strncmp(const char *s1, const char *s2, size_t n)
+{
+	if (n == 0)
+		return 0;
+
+	while (*s1 == *s2) {
+		if (*s1 == '\0')
+			break;
+		s1++;
+		s2++;
+		n--;
+		if (n == 0)
+			return 0;
+	}
+
+	return *s1 - *s2;
+}
+
+
+char * os_strncpy(char *dest, const char *src, size_t n)
+{
+	char *d = dest;
+
+	while (n--) {
+		*d = *src;
+		if (*src == '\0')
+			break;
+		d++;
+		src++;
+	}
+
+	return dest;
+}
+
+
+size_t os_strlcpy(char *dest, const char *src, size_t siz)
+{
+	const char *s = src;
+	size_t left = siz;
+
+	if (left) {
+		/* Copy string up to the maximum size of the dest buffer */
+		while (--left != 0) {
+			if ((*dest++ = *s++) == '\0')
+				break;
+		}
+	}
+
+	if (left == 0) {
+		/* Not enough room for the string; force NUL-termination */
+		if (siz != 0)
+			*dest = '\0';
+		while (*s++)
+			; /* determine total src string length */
+	}
+
+	return s - src - 1;
+}
+
+
+char * os_strstr(const char *haystack, const char *needle)
+{
+	size_t len = os_strlen(needle);
+	while (*haystack) {
+		if (os_strncmp(haystack, needle, len) == 0)
+			return (char *) haystack;
+		haystack++;
+	}
+
+	return NULL;
+}
+
+
+int os_snprintf(char *str, size_t size, const char *format, ...)
+{
+	va_list ap;
+	int ret;
+
+	/* See http://www.ijs.si/software/snprintf/ for portable
+	 * implementation of snprintf.
+	 */
+
+	va_start(ap, format);
+	ret = vsnprintf(str, size, format, ap);
+	va_end(ap);
+	if (size > 0)
+		str[size - 1] = '\0';
+	return ret;
+}
diff --git a/src/utils/os_none.c b/src/utils/os_none.c
new file mode 100644
index 0000000..bab8f17
--- /dev/null
+++ b/src/utils/os_none.c
@@ -0,0 +1,226 @@
+/*
+ * wpa_supplicant/hostapd / Empty OS specific functions
+ * Copyright (c) 2005-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This file can be used as a starting point when adding a new OS target. The
+ * functions here do not really work as-is since they are just empty or only
+ * return an error value. os_internal.c can be used as another starting point
+ * or reference since it has example implementation of many of these functions.
+ */
+
+#include "includes.h"
+
+#include "os.h"
+
+void os_sleep(os_time_t sec, os_time_t usec)
+{
+}
+
+
+int os_get_time(struct os_time *t)
+{
+	return -1;
+}
+
+
+int os_mktime(int year, int month, int day, int hour, int min, int sec,
+	      os_time_t *t)
+{
+	return -1;
+}
+
+
+int os_daemonize(const char *pid_file)
+{
+	return -1;
+}
+
+
+void os_daemonize_terminate(const char *pid_file)
+{
+}
+
+
+int os_get_random(unsigned char *buf, size_t len)
+{
+	return -1;
+}
+
+
+unsigned long os_random(void)
+{
+	return 0;
+}
+
+
+char * os_rel2abs_path(const char *rel_path)
+{
+	return NULL; /* strdup(rel_path) can be used here */
+}
+
+
+int os_program_init(void)
+{
+	return 0;
+}
+
+
+void os_program_deinit(void)
+{
+}
+
+
+int os_setenv(const char *name, const char *value, int overwrite)
+{
+	return -1;
+}
+
+
+int os_unsetenv(const char *name)
+{
+	return -1;
+}
+
+
+char * os_readfile(const char *name, size_t *len)
+{
+	return NULL;
+}
+
+
+void * os_zalloc(size_t size)
+{
+	return NULL;
+}
+
+
+#ifdef OS_NO_C_LIB_DEFINES
+void * os_malloc(size_t size)
+{
+	return NULL;
+}
+
+
+void * os_realloc(void *ptr, size_t size)
+{
+	return NULL;
+}
+
+
+void os_free(void *ptr)
+{
+}
+
+
+void * os_memcpy(void *dest, const void *src, size_t n)
+{
+	return dest;
+}
+
+
+void * os_memmove(void *dest, const void *src, size_t n)
+{
+	return dest;
+}
+
+
+void * os_memset(void *s, int c, size_t n)
+{
+	return s;
+}
+
+
+int os_memcmp(const void *s1, const void *s2, size_t n)
+{
+	return 0;
+}
+
+
+char * os_strdup(const char *s)
+{
+	return NULL;
+}
+
+
+size_t os_strlen(const char *s)
+{
+	return 0;
+}
+
+
+int os_strcasecmp(const char *s1, const char *s2)
+{
+	/*
+	 * Ignoring case is not required for main functionality, so just use
+	 * the case sensitive version of the function.
+	 */
+	return os_strcmp(s1, s2);
+}
+
+
+int os_strncasecmp(const char *s1, const char *s2, size_t n)
+{
+	/*
+	 * Ignoring case is not required for main functionality, so just use
+	 * the case sensitive version of the function.
+	 */
+	return os_strncmp(s1, s2, n);
+}
+
+
+char * os_strchr(const char *s, int c)
+{
+	return NULL;
+}
+
+
+char * os_strrchr(const char *s, int c)
+{
+	return NULL;
+}
+
+
+int os_strcmp(const char *s1, const char *s2)
+{
+	return 0;
+}
+
+
+int os_strncmp(const char *s1, const char *s2, size_t n)
+{
+	return 0;
+}
+
+
+char * os_strncpy(char *dest, const char *src, size_t n)
+{
+	return dest;
+}
+
+
+size_t os_strlcpy(char *dest, const char *src, size_t size)
+{
+	return 0;
+}
+
+
+char * os_strstr(const char *haystack, const char *needle)
+{
+	return NULL;
+}
+
+
+int os_snprintf(char *str, size_t size, const char *format, ...)
+{
+	return 0;
+}
+#endif /* OS_NO_C_LIB_DEFINES */
diff --git a/src/utils/os_unix.c b/src/utils/os_unix.c
new file mode 100644
index 0000000..4e11758
--- /dev/null
+++ b/src/utils/os_unix.c
@@ -0,0 +1,474 @@
+/*
+ * OS specific functions for UNIX/POSIX systems
+ * Copyright (c) 2005-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#ifdef ANDROID
+#include <linux/capability.h>
+#include <linux/prctl.h>
+#include <private/android_filesystem_config.h>
+#endif /* ANDROID */
+
+#include "os.h"
+
+#ifdef WPA_TRACE
+
+#include "common.h"
+#include "list.h"
+#include "wpa_debug.h"
+#include "trace.h"
+
+static struct dl_list alloc_list;
+
+#define ALLOC_MAGIC 0xa84ef1b2
+#define FREED_MAGIC 0x67fd487a
+
+struct os_alloc_trace {
+	unsigned int magic;
+	struct dl_list list;
+	size_t len;
+	WPA_TRACE_INFO
+};
+
+#endif /* WPA_TRACE */
+
+
+void os_sleep(os_time_t sec, os_time_t usec)
+{
+	if (sec)
+		sleep(sec);
+	if (usec)
+		usleep(usec);
+}
+
+
+int os_get_time(struct os_time *t)
+{
+	int res;
+	struct timeval tv;
+	res = gettimeofday(&tv, NULL);
+	t->sec = tv.tv_sec;
+	t->usec = tv.tv_usec;
+	return res;
+}
+
+
+int os_mktime(int year, int month, int day, int hour, int min, int sec,
+	      os_time_t *t)
+{
+	struct tm tm, *tm1;
+	time_t t_local, t1, t2;
+	os_time_t tz_offset;
+
+	if (year < 1970 || month < 1 || month > 12 || day < 1 || day > 31 ||
+	    hour < 0 || hour > 23 || min < 0 || min > 59 || sec < 0 ||
+	    sec > 60)
+		return -1;
+
+	memset(&tm, 0, sizeof(tm));
+	tm.tm_year = year - 1900;
+	tm.tm_mon = month - 1;
+	tm.tm_mday = day;
+	tm.tm_hour = hour;
+	tm.tm_min = min;
+	tm.tm_sec = sec;
+
+	t_local = mktime(&tm);
+
+	/* figure out offset to UTC */
+	tm1 = localtime(&t_local);
+	if (tm1) {
+		t1 = mktime(tm1);
+		tm1 = gmtime(&t_local);
+		if (tm1) {
+			t2 = mktime(tm1);
+			tz_offset = t2 - t1;
+		} else
+			tz_offset = 0;
+	} else
+		tz_offset = 0;
+
+	*t = (os_time_t) t_local - tz_offset;
+	return 0;
+}
+
+
+#ifdef __APPLE__
+#include <fcntl.h>
+static int os_daemon(int nochdir, int noclose)
+{
+	int devnull;
+
+	if (chdir("/") < 0)
+		return -1;
+
+	devnull = open("/dev/null", O_RDWR);
+	if (devnull < 0)
+		return -1;
+
+	if (dup2(devnull, STDIN_FILENO) < 0) {
+		close(devnull);
+		return -1;
+	}
+
+	if (dup2(devnull, STDOUT_FILENO) < 0) {
+		close(devnull);
+		return -1;
+	}
+
+	if (dup2(devnull, STDERR_FILENO) < 0) {
+		close(devnull);
+		return -1;
+	}
+
+	return 0;
+}
+#else /* __APPLE__ */
+#define os_daemon daemon
+#endif /* __APPLE__ */
+
+
+int os_daemonize(const char *pid_file)
+{
+#if defined(__uClinux__) || defined(__sun__)
+	return -1;
+#else /* defined(__uClinux__) || defined(__sun__) */
+	if (os_daemon(0, 0)) {
+		perror("daemon");
+		return -1;
+	}
+
+	if (pid_file) {
+		FILE *f = fopen(pid_file, "w");
+		if (f) {
+			fprintf(f, "%u\n", getpid());
+			fclose(f);
+		}
+	}
+
+	return -0;
+#endif /* defined(__uClinux__) || defined(__sun__) */
+}
+
+
+void os_daemonize_terminate(const char *pid_file)
+{
+	if (pid_file)
+		unlink(pid_file);
+}
+
+
+int os_get_random(unsigned char *buf, size_t len)
+{
+	FILE *f;
+	size_t rc;
+
+	f = fopen("/dev/urandom", "rb");
+	if (f == NULL) {
+		printf("Could not open /dev/urandom.\n");
+		return -1;
+	}
+
+	rc = fread(buf, 1, len, f);
+	fclose(f);
+
+	return rc != len ? -1 : 0;
+}
+
+
+unsigned long os_random(void)
+{
+	return random();
+}
+
+
+char * os_rel2abs_path(const char *rel_path)
+{
+	char *buf = NULL, *cwd, *ret;
+	size_t len = 128, cwd_len, rel_len, ret_len;
+	int last_errno;
+
+	if (rel_path[0] == '/')
+		return os_strdup(rel_path);
+
+	for (;;) {
+		buf = os_malloc(len);
+		if (buf == NULL)
+			return NULL;
+		cwd = getcwd(buf, len);
+		if (cwd == NULL) {
+			last_errno = errno;
+			os_free(buf);
+			if (last_errno != ERANGE)
+				return NULL;
+			len *= 2;
+			if (len > 2000)
+				return NULL;
+		} else {
+			buf[len - 1] = '\0';
+			break;
+		}
+	}
+
+	cwd_len = os_strlen(cwd);
+	rel_len = os_strlen(rel_path);
+	ret_len = cwd_len + 1 + rel_len + 1;
+	ret = os_malloc(ret_len);
+	if (ret) {
+		os_memcpy(ret, cwd, cwd_len);
+		ret[cwd_len] = '/';
+		os_memcpy(ret + cwd_len + 1, rel_path, rel_len);
+		ret[ret_len - 1] = '\0';
+	}
+	os_free(buf);
+	return ret;
+}
+
+
+int os_program_init(void)
+{
+#ifdef ANDROID
+	/*
+	 * We ignore errors here since errors are normal if we
+	 * are already running as non-root.
+	 */
+	gid_t groups[] = { AID_INET, AID_WIFI, AID_KEYSTORE };
+	struct __user_cap_header_struct header;
+	struct __user_cap_data_struct cap;
+
+	setgroups(sizeof(groups)/sizeof(groups[0]), groups);
+
+	prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);
+
+	setgid(AID_WIFI);
+	setuid(AID_WIFI);
+
+	header.version = _LINUX_CAPABILITY_VERSION;
+	header.pid = 0;
+	cap.effective = cap.permitted =
+		(1 << CAP_NET_ADMIN) | (1 << CAP_NET_RAW);
+	cap.inheritable = 0;
+	capset(&header, &cap);
+#endif /* ANDROID */
+
+#ifdef WPA_TRACE
+	dl_list_init(&alloc_list);
+#endif /* WPA_TRACE */
+	return 0;
+}
+
+
+void os_program_deinit(void)
+{
+#ifdef WPA_TRACE
+	struct os_alloc_trace *a;
+	unsigned long total = 0;
+	dl_list_for_each(a, &alloc_list, struct os_alloc_trace, list) {
+		total += a->len;
+		if (a->magic != ALLOC_MAGIC) {
+			wpa_printf(MSG_INFO, "MEMLEAK[%p]: invalid magic 0x%x "
+				   "len %lu",
+				   a, a->magic, (unsigned long) a->len);
+			continue;
+		}
+		wpa_printf(MSG_INFO, "MEMLEAK[%p]: len %lu",
+			   a, (unsigned long) a->len);
+		wpa_trace_dump("memleak", a);
+	}
+	if (total)
+		wpa_printf(MSG_INFO, "MEMLEAK: total %lu bytes",
+			   (unsigned long) total);
+#endif /* WPA_TRACE */
+}
+
+
+int os_setenv(const char *name, const char *value, int overwrite)
+{
+	return setenv(name, value, overwrite);
+}
+
+
+int os_unsetenv(const char *name)
+{
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__APPLE__) || \
+    defined(__OpenBSD__)
+	unsetenv(name);
+	return 0;
+#else
+	return unsetenv(name);
+#endif
+}
+
+
+char * os_readfile(const char *name, size_t *len)
+{
+	FILE *f;
+	char *buf;
+	long pos;
+
+	f = fopen(name, "rb");
+	if (f == NULL)
+		return NULL;
+
+	if (fseek(f, 0, SEEK_END) < 0 || (pos = ftell(f)) < 0) {
+		fclose(f);
+		return NULL;
+	}
+	*len = pos;
+	if (fseek(f, 0, SEEK_SET) < 0) {
+		fclose(f);
+		return NULL;
+	}
+
+	buf = os_malloc(*len);
+	if (buf == NULL) {
+		fclose(f);
+		return NULL;
+	}
+
+	if (fread(buf, 1, *len, f) != *len) {
+		fclose(f);
+		os_free(buf);
+		return NULL;
+	}
+
+	fclose(f);
+
+	return buf;
+}
+
+
+#ifndef WPA_TRACE
+void * os_zalloc(size_t size)
+{
+	return calloc(1, size);
+}
+#endif /* WPA_TRACE */
+
+
+size_t os_strlcpy(char *dest, const char *src, size_t siz)
+{
+	const char *s = src;
+	size_t left = siz;
+
+	if (left) {
+		/* Copy string up to the maximum size of the dest buffer */
+		while (--left != 0) {
+			if ((*dest++ = *s++) == '\0')
+				break;
+		}
+	}
+
+	if (left == 0) {
+		/* Not enough room for the string; force NUL-termination */
+		if (siz != 0)
+			*dest = '\0';
+		while (*s++)
+			; /* determine total src string length */
+	}
+
+	return s - src - 1;
+}
+
+
+#ifdef WPA_TRACE
+
+void * os_malloc(size_t size)
+{
+	struct os_alloc_trace *a;
+	a = malloc(sizeof(*a) + size);
+	if (a == NULL)
+		return NULL;
+	a->magic = ALLOC_MAGIC;
+	dl_list_add(&alloc_list, &a->list);
+	a->len = size;
+	wpa_trace_record(a);
+	return a + 1;
+}
+
+
+void * os_realloc(void *ptr, size_t size)
+{
+	struct os_alloc_trace *a;
+	size_t copy_len;
+	void *n;
+
+	if (ptr == NULL)
+		return os_malloc(size);
+
+	a = (struct os_alloc_trace *) ptr - 1;
+	if (a->magic != ALLOC_MAGIC) {
+		wpa_printf(MSG_INFO, "REALLOC[%p]: invalid magic 0x%x%s",
+			   a, a->magic,
+			   a->magic == FREED_MAGIC ? " (already freed)" : "");
+		wpa_trace_show("Invalid os_realloc() call");
+		abort();
+	}
+	n = os_malloc(size);
+	if (n == NULL)
+		return NULL;
+	copy_len = a->len;
+	if (copy_len > size)
+		copy_len = size;
+	os_memcpy(n, a + 1, copy_len);
+	os_free(ptr);
+	return n;
+}
+
+
+void os_free(void *ptr)
+{
+	struct os_alloc_trace *a;
+
+	if (ptr == NULL)
+		return;
+	a = (struct os_alloc_trace *) ptr - 1;
+	if (a->magic != ALLOC_MAGIC) {
+		wpa_printf(MSG_INFO, "FREE[%p]: invalid magic 0x%x%s",
+			   a, a->magic,
+			   a->magic == FREED_MAGIC ? " (already freed)" : "");
+		wpa_trace_show("Invalid os_free() call");
+		abort();
+	}
+	dl_list_del(&a->list);
+	a->magic = FREED_MAGIC;
+
+	wpa_trace_check_ref(ptr);
+	free(a);
+}
+
+
+void * os_zalloc(size_t size)
+{
+	void *ptr = os_malloc(size);
+	if (ptr)
+		os_memset(ptr, 0, size);
+	return ptr;
+}
+
+
+char * os_strdup(const char *s)
+{
+	size_t len;
+	char *d;
+	len = os_strlen(s);
+	d = os_malloc(len + 1);
+	if (d == NULL)
+		return NULL;
+	os_memcpy(d, s, len);
+	d[len] = '\0';
+	return d;
+}
+
+#endif /* WPA_TRACE */
diff --git a/src/utils/os_win32.c b/src/utils/os_win32.c
new file mode 100644
index 0000000..0740964
--- /dev/null
+++ b/src/utils/os_win32.c
@@ -0,0 +1,222 @@
+/*
+ * wpa_supplicant/hostapd / OS specific functions for Win32 systems
+ * Copyright (c) 2005-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <winsock2.h>
+#include <wincrypt.h>
+
+#include "os.h"
+
+void os_sleep(os_time_t sec, os_time_t usec)
+{
+	if (sec)
+		Sleep(sec * 1000);
+	if (usec)
+		Sleep(usec / 1000);
+}
+
+
+int os_get_time(struct os_time *t)
+{
+#define EPOCHFILETIME (116444736000000000ULL)
+	FILETIME ft;
+	LARGE_INTEGER li;
+	ULONGLONG tt;
+
+#ifdef _WIN32_WCE
+	SYSTEMTIME st;
+
+	GetSystemTime(&st);
+	SystemTimeToFileTime(&st, &ft);
+#else /* _WIN32_WCE */
+	GetSystemTimeAsFileTime(&ft);
+#endif /* _WIN32_WCE */
+	li.LowPart = ft.dwLowDateTime;
+	li.HighPart = ft.dwHighDateTime;
+	tt = (li.QuadPart - EPOCHFILETIME) / 10;
+	t->sec = (os_time_t) (tt / 1000000);
+	t->usec = (os_time_t) (tt % 1000000);
+
+	return 0;
+}
+
+
+int os_mktime(int year, int month, int day, int hour, int min, int sec,
+	      os_time_t *t)
+{
+	struct tm tm, *tm1;
+	time_t t_local, t1, t2;
+	os_time_t tz_offset;
+
+	if (year < 1970 || month < 1 || month > 12 || day < 1 || day > 31 ||
+	    hour < 0 || hour > 23 || min < 0 || min > 59 || sec < 0 ||
+	    sec > 60)
+		return -1;
+
+	memset(&tm, 0, sizeof(tm));
+	tm.tm_year = year - 1900;
+	tm.tm_mon = month - 1;
+	tm.tm_mday = day;
+	tm.tm_hour = hour;
+	tm.tm_min = min;
+	tm.tm_sec = sec;
+
+	t_local = mktime(&tm);
+
+	/* figure out offset to UTC */
+	tm1 = localtime(&t_local);
+	if (tm1) {
+		t1 = mktime(tm1);
+		tm1 = gmtime(&t_local);
+		if (tm1) {
+			t2 = mktime(tm1);
+			tz_offset = t2 - t1;
+		} else
+			tz_offset = 0;
+	} else
+		tz_offset = 0;
+
+	*t = (os_time_t) t_local - tz_offset;
+	return 0;
+}
+
+
+int os_daemonize(const char *pid_file)
+{
+	/* TODO */
+	return -1;
+}
+
+
+void os_daemonize_terminate(const char *pid_file)
+{
+}
+
+
+int os_get_random(unsigned char *buf, size_t len)
+{
+	HCRYPTPROV prov;
+	BOOL ret;
+
+	if (!CryptAcquireContext(&prov, NULL, NULL, PROV_RSA_FULL,
+				 CRYPT_VERIFYCONTEXT))
+		return -1;
+
+	ret = CryptGenRandom(prov, len, buf);
+	CryptReleaseContext(prov, 0);
+
+	return ret ? 0 : -1;
+}
+
+
+unsigned long os_random(void)
+{
+	return rand();
+}
+
+
+char * os_rel2abs_path(const char *rel_path)
+{
+	return _strdup(rel_path);
+}
+
+
+int os_program_init(void)
+{
+#ifdef CONFIG_NATIVE_WINDOWS
+	WSADATA wsaData;
+	if (WSAStartup(MAKEWORD(2, 0), &wsaData)) {
+		printf("Could not find a usable WinSock.dll\n");
+		return -1;
+	}
+#endif /* CONFIG_NATIVE_WINDOWS */
+	return 0;
+}
+
+
+void os_program_deinit(void)
+{
+#ifdef CONFIG_NATIVE_WINDOWS
+	WSACleanup();
+#endif /* CONFIG_NATIVE_WINDOWS */
+}
+
+
+int os_setenv(const char *name, const char *value, int overwrite)
+{
+	return -1;
+}
+
+
+int os_unsetenv(const char *name)
+{
+	return -1;
+}
+
+
+char * os_readfile(const char *name, size_t *len)
+{
+	FILE *f;
+	char *buf;
+
+	f = fopen(name, "rb");
+	if (f == NULL)
+		return NULL;
+
+	fseek(f, 0, SEEK_END);
+	*len = ftell(f);
+	fseek(f, 0, SEEK_SET);
+
+	buf = malloc(*len);
+	if (buf == NULL) {
+		fclose(f);
+		return NULL;
+	}
+
+	fread(buf, 1, *len, f);
+	fclose(f);
+
+	return buf;
+}
+
+
+void * os_zalloc(size_t size)
+{
+	return calloc(1, size);
+}
+
+
+size_t os_strlcpy(char *dest, const char *src, size_t siz)
+{
+	const char *s = src;
+	size_t left = siz;
+
+	if (left) {
+		/* Copy string up to the maximum size of the dest buffer */
+		while (--left != 0) {
+			if ((*dest++ = *s++) == '\0')
+				break;
+		}
+	}
+
+	if (left == 0) {
+		/* Not enough room for the string; force NUL-termination */
+		if (siz != 0)
+			*dest = '\0';
+		while (*s++)
+			; /* determine total src string length */
+	}
+
+	return s - src - 1;
+}
diff --git a/src/utils/pcsc_funcs.c b/src/utils/pcsc_funcs.c
new file mode 100644
index 0000000..bf9f04a
--- /dev/null
+++ b/src/utils/pcsc_funcs.c
@@ -0,0 +1,1238 @@
+/*
+ * WPA Supplicant / PC/SC smartcard interface for USIM, GSM SIM
+ * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This file implements wrapper functions for accessing GSM SIM and 3GPP USIM
+ * cards through PC/SC smartcard library. These functions are used to implement
+ * authentication routines for EAP-SIM and EAP-AKA.
+ */
+
+#include "includes.h"
+#include <winscard.h>
+
+#include "common.h"
+#include "pcsc_funcs.h"
+
+
+/* See ETSI GSM 11.11 and ETSI TS 102 221 for details.
+ * SIM commands:
+ * Command APDU: CLA INS P1 P2 P3 Data
+ *   CLA (class of instruction): A0 for GSM, 00 for USIM
+ *   INS (instruction)
+ *   P1 P2 P3 (parameters, P3 = length of Data)
+ * Response APDU: Data SW1 SW2
+ *   SW1 SW2 (Status words)
+ * Commands (INS P1 P2 P3):
+ *   SELECT: A4 00 00 02 <file_id, 2 bytes>
+ *   GET RESPONSE: C0 00 00 <len>
+ *   RUN GSM ALG: 88 00 00 00 <RAND len = 10>
+ *   RUN UMTS ALG: 88 00 81 <len=0x22> data: 0x10 | RAND | 0x10 | AUTN
+ *	P1 = ID of alg in card
+ *	P2 = ID of secret key
+ *   READ BINARY: B0 <offset high> <offset low> <len>
+ *   READ RECORD: B2 <record number> <mode> <len>
+ *	P2 (mode) = '02' (next record), '03' (previous record),
+ *		    '04' (absolute mode)
+ *   VERIFY CHV: 20 00 <CHV number> 08
+ *   CHANGE CHV: 24 00 <CHV number> 10
+ *   DISABLE CHV: 26 00 01 08
+ *   ENABLE CHV: 28 00 01 08
+ *   UNBLOCK CHV: 2C 00 <00=CHV1, 02=CHV2> 10
+ *   SLEEP: FA 00 00 00
+ */
+
+/* GSM SIM commands */
+#define SIM_CMD_SELECT			0xa0, 0xa4, 0x00, 0x00, 0x02
+#define SIM_CMD_RUN_GSM_ALG		0xa0, 0x88, 0x00, 0x00, 0x10
+#define SIM_CMD_GET_RESPONSE		0xa0, 0xc0, 0x00, 0x00
+#define SIM_CMD_READ_BIN		0xa0, 0xb0, 0x00, 0x00
+#define SIM_CMD_READ_RECORD		0xa0, 0xb2, 0x00, 0x00
+#define SIM_CMD_VERIFY_CHV1		0xa0, 0x20, 0x00, 0x01, 0x08
+
+/* USIM commands */
+#define USIM_CLA			0x00
+#define USIM_CMD_RUN_UMTS_ALG		0x00, 0x88, 0x00, 0x81, 0x22
+#define USIM_CMD_GET_RESPONSE		0x00, 0xc0, 0x00, 0x00
+
+#define SIM_RECORD_MODE_ABSOLUTE 0x04
+
+#define USIM_FSP_TEMPL_TAG		0x62
+
+#define USIM_TLV_FILE_DESC		0x82
+#define USIM_TLV_FILE_ID		0x83
+#define USIM_TLV_DF_NAME		0x84
+#define USIM_TLV_PROPR_INFO		0xA5
+#define USIM_TLV_LIFE_CYCLE_STATUS	0x8A
+#define USIM_TLV_FILE_SIZE		0x80
+#define USIM_TLV_TOTAL_FILE_SIZE	0x81
+#define USIM_TLV_PIN_STATUS_TEMPLATE	0xC6
+#define USIM_TLV_SHORT_FILE_ID		0x88
+
+#define USIM_PS_DO_TAG			0x90
+
+#define AKA_RAND_LEN 16
+#define AKA_AUTN_LEN 16
+#define AKA_AUTS_LEN 14
+#define RES_MAX_LEN 16
+#define IK_LEN 16
+#define CK_LEN 16
+
+
+typedef enum { SCARD_GSM_SIM, SCARD_USIM } sim_types;
+
+struct scard_data {
+	SCARDCONTEXT ctx;
+	SCARDHANDLE card;
+	DWORD protocol;
+	sim_types sim_type;
+	int pin1_required;
+};
+
+#ifdef __MINGW32_VERSION
+/* MinGW does not yet support WinScard, so load the needed functions
+ * dynamically from winscard.dll for now. */
+
+static HINSTANCE dll = NULL; /* winscard.dll */
+
+static const SCARD_IO_REQUEST *dll_g_rgSCardT0Pci, *dll_g_rgSCardT1Pci;
+#undef SCARD_PCI_T0
+#define SCARD_PCI_T0 (dll_g_rgSCardT0Pci)
+#undef SCARD_PCI_T1
+#define SCARD_PCI_T1 (dll_g_rgSCardT1Pci)
+
+
+static WINSCARDAPI LONG WINAPI
+(*dll_SCardEstablishContext)(IN DWORD dwScope,
+			     IN LPCVOID pvReserved1,
+			     IN LPCVOID pvReserved2,
+			     OUT LPSCARDCONTEXT phContext);
+#define SCardEstablishContext dll_SCardEstablishContext
+
+static long (*dll_SCardReleaseContext)(long hContext);
+#define SCardReleaseContext dll_SCardReleaseContext
+
+static WINSCARDAPI LONG WINAPI
+(*dll_SCardListReadersA)(IN SCARDCONTEXT hContext,
+			 IN LPCSTR mszGroups,
+			 OUT LPSTR mszReaders,
+			 IN OUT LPDWORD pcchReaders);
+#undef SCardListReaders
+#define SCardListReaders dll_SCardListReadersA
+
+static WINSCARDAPI LONG WINAPI
+(*dll_SCardConnectA)(IN SCARDCONTEXT hContext,
+		     IN LPCSTR szReader,
+		     IN DWORD dwShareMode,
+		     IN DWORD dwPreferredProtocols,
+		     OUT LPSCARDHANDLE phCard,
+		     OUT LPDWORD pdwActiveProtocol);
+#undef SCardConnect
+#define SCardConnect dll_SCardConnectA
+
+static WINSCARDAPI LONG WINAPI
+(*dll_SCardDisconnect)(IN SCARDHANDLE hCard,
+		       IN DWORD dwDisposition);
+#define SCardDisconnect dll_SCardDisconnect
+
+static WINSCARDAPI LONG WINAPI
+(*dll_SCardTransmit)(IN SCARDHANDLE hCard,
+		     IN LPCSCARD_IO_REQUEST pioSendPci,
+		     IN LPCBYTE pbSendBuffer,
+		     IN DWORD cbSendLength,
+		     IN OUT LPSCARD_IO_REQUEST pioRecvPci,
+		     OUT LPBYTE pbRecvBuffer,
+		     IN OUT LPDWORD pcbRecvLength);
+#define SCardTransmit dll_SCardTransmit
+
+static WINSCARDAPI LONG WINAPI
+(*dll_SCardBeginTransaction)(IN SCARDHANDLE hCard);
+#define SCardBeginTransaction dll_SCardBeginTransaction
+
+static WINSCARDAPI LONG WINAPI
+(*dll_SCardEndTransaction)(IN SCARDHANDLE hCard, IN DWORD dwDisposition);
+#define SCardEndTransaction dll_SCardEndTransaction
+
+
+static int mingw_load_symbols(void)
+{
+	char *sym;
+
+	if (dll)
+		return 0;
+
+	dll = LoadLibrary("winscard");
+	if (dll == NULL) {
+		wpa_printf(MSG_DEBUG, "WinSCard: Could not load winscard.dll "
+			   "library");
+		return -1;
+	}
+
+#define LOADSYM(s) \
+	sym = #s; \
+	dll_ ## s = (void *) GetProcAddress(dll, sym); \
+	if (dll_ ## s == NULL) \
+		goto fail;
+
+	LOADSYM(SCardEstablishContext);
+	LOADSYM(SCardReleaseContext);
+	LOADSYM(SCardListReadersA);
+	LOADSYM(SCardConnectA);
+	LOADSYM(SCardDisconnect);
+	LOADSYM(SCardTransmit);
+	LOADSYM(SCardBeginTransaction);
+	LOADSYM(SCardEndTransaction);
+	LOADSYM(g_rgSCardT0Pci);
+	LOADSYM(g_rgSCardT1Pci);
+
+#undef LOADSYM
+
+	return 0;
+
+fail:
+	wpa_printf(MSG_DEBUG, "WinSCard: Could not get address for %s from "
+		   "winscard.dll", sym);
+	FreeLibrary(dll);
+	dll = NULL;
+	return -1;
+}
+
+
+static void mingw_unload_symbols(void)
+{
+	if (dll == NULL)
+		return;
+
+	FreeLibrary(dll);
+	dll = NULL;
+}
+
+#else /* __MINGW32_VERSION */
+
+#define mingw_load_symbols() 0
+#define mingw_unload_symbols() do { } while (0)
+
+#endif /* __MINGW32_VERSION */
+
+
+static int _scard_select_file(struct scard_data *scard, unsigned short file_id,
+			      unsigned char *buf, size_t *buf_len,
+			      sim_types sim_type, unsigned char *aid,
+			      size_t aidlen);
+static int scard_select_file(struct scard_data *scard, unsigned short file_id,
+			     unsigned char *buf, size_t *buf_len);
+static int scard_verify_pin(struct scard_data *scard, const char *pin);
+static int scard_get_record_len(struct scard_data *scard,
+				unsigned char recnum, unsigned char mode);
+static int scard_read_record(struct scard_data *scard,
+			     unsigned char *data, size_t len,
+			     unsigned char recnum, unsigned char mode);
+
+
+static int scard_parse_fsp_templ(unsigned char *buf, size_t buf_len,
+				 int *ps_do, int *file_len)
+{
+		unsigned char *pos, *end;
+
+		if (ps_do)
+			*ps_do = -1;
+		if (file_len)
+			*file_len = -1;
+
+		pos = buf;
+		end = pos + buf_len;
+		if (*pos != USIM_FSP_TEMPL_TAG) {
+			wpa_printf(MSG_DEBUG, "SCARD: file header did not "
+				   "start with FSP template tag");
+			return -1;
+		}
+		pos++;
+		if (pos >= end)
+			return -1;
+		if ((pos + pos[0]) < end)
+			end = pos + 1 + pos[0];
+		pos++;
+		wpa_hexdump(MSG_DEBUG, "SCARD: file header FSP template",
+			    pos, end - pos);
+
+		while (pos + 1 < end) {
+			wpa_printf(MSG_MSGDUMP, "SCARD: file header TLV "
+				   "0x%02x len=%d", pos[0], pos[1]);
+			if (pos + 2 + pos[1] > end)
+				break;
+
+			if (pos[0] == USIM_TLV_FILE_SIZE &&
+			    (pos[1] == 1 || pos[1] == 2) && file_len) {
+				if (pos[1] == 1)
+					*file_len = (int) pos[2];
+				else
+					*file_len = ((int) pos[2] << 8) |
+						(int) pos[3];
+				wpa_printf(MSG_DEBUG, "SCARD: file_size=%d",
+					   *file_len);
+			}
+
+			if (pos[0] == USIM_TLV_PIN_STATUS_TEMPLATE &&
+			    pos[1] >= 2 && pos[2] == USIM_PS_DO_TAG &&
+			    pos[3] >= 1 && ps_do) {
+				wpa_printf(MSG_DEBUG, "SCARD: PS_DO=0x%02x",
+					   pos[4]);
+				*ps_do = (int) pos[4];
+			}
+
+			pos += 2 + pos[1];
+
+			if (pos == end)
+				return 0;
+		}
+		return -1;
+}
+
+
+static int scard_pin_needed(struct scard_data *scard,
+			    unsigned char *hdr, size_t hlen)
+{
+	if (scard->sim_type == SCARD_GSM_SIM) {
+		if (hlen > SCARD_CHV1_OFFSET &&
+		    !(hdr[SCARD_CHV1_OFFSET] & SCARD_CHV1_FLAG))
+			return 1;
+		return 0;
+	}
+
+	if (scard->sim_type == SCARD_USIM) {
+		int ps_do;
+		if (scard_parse_fsp_templ(hdr, hlen, &ps_do, NULL))
+			return -1;
+		/* TODO: there could be more than one PS_DO entry because of
+		 * multiple PINs in key reference.. */
+		if (ps_do > 0 && (ps_do & 0x80))
+			return 1;
+		return 0;
+	}
+
+	return -1;
+}
+
+
+static int scard_get_aid(struct scard_data *scard, unsigned char *aid,
+			 size_t maxlen)
+{
+	int rlen, rec;
+	struct efdir {
+		unsigned char appl_template_tag; /* 0x61 */
+		unsigned char appl_template_len;
+		unsigned char appl_id_tag; /* 0x4f */
+		unsigned char aid_len;
+		unsigned char rid[5];
+		unsigned char appl_code[2]; /* 0x1002 for 3G USIM */
+	} *efdir;
+	unsigned char buf[100];
+	size_t blen;
+
+	efdir = (struct efdir *) buf;
+	blen = sizeof(buf);
+	if (scard_select_file(scard, SCARD_FILE_EF_DIR, buf, &blen)) {
+		wpa_printf(MSG_DEBUG, "SCARD: Failed to read EF_DIR");
+		return -1;
+	}
+	wpa_hexdump(MSG_DEBUG, "SCARD: EF_DIR select", buf, blen);
+
+	for (rec = 1; rec < 10; rec++) {
+		rlen = scard_get_record_len(scard, rec,
+					    SIM_RECORD_MODE_ABSOLUTE);
+		if (rlen < 0) {
+			wpa_printf(MSG_DEBUG, "SCARD: Failed to get EF_DIR "
+				   "record length");
+			return -1;
+		}
+		blen = sizeof(buf);
+		if (rlen > (int) blen) {
+			wpa_printf(MSG_DEBUG, "SCARD: Too long EF_DIR record");
+			return -1;
+		}
+		if (scard_read_record(scard, buf, rlen, rec,
+				      SIM_RECORD_MODE_ABSOLUTE) < 0) {
+			wpa_printf(MSG_DEBUG, "SCARD: Failed to read "
+				   "EF_DIR record %d", rec);
+			return -1;
+		}
+		wpa_hexdump(MSG_DEBUG, "SCARD: EF_DIR record", buf, rlen);
+
+		if (efdir->appl_template_tag != 0x61) {
+			wpa_printf(MSG_DEBUG, "SCARD: Unexpected application "
+				   "template tag 0x%x",
+				   efdir->appl_template_tag);
+			continue;
+		}
+
+		if (efdir->appl_template_len > rlen - 2) {
+			wpa_printf(MSG_DEBUG, "SCARD: Too long application "
+				   "template (len=%d rlen=%d)",
+				   efdir->appl_template_len, rlen);
+			continue;
+		}
+
+		if (efdir->appl_id_tag != 0x4f) {
+			wpa_printf(MSG_DEBUG, "SCARD: Unexpected application "
+				   "identifier tag 0x%x", efdir->appl_id_tag);
+			continue;
+		}
+
+		if (efdir->aid_len < 1 || efdir->aid_len > 16) {
+			wpa_printf(MSG_DEBUG, "SCARD: Invalid AID length %d",
+				   efdir->aid_len);
+			continue;
+		}
+
+		wpa_hexdump(MSG_DEBUG, "SCARD: AID from EF_DIR record",
+			    efdir->rid, efdir->aid_len);
+
+		if (efdir->appl_code[0] == 0x10 &&
+		    efdir->appl_code[1] == 0x02) {
+			wpa_printf(MSG_DEBUG, "SCARD: 3G USIM app found from "
+				   "EF_DIR record %d", rec);
+			break;
+		}
+	}
+
+	if (rec >= 10) {
+		wpa_printf(MSG_DEBUG, "SCARD: 3G USIM app not found "
+			   "from EF_DIR records");
+		return -1;
+	}
+
+	if (efdir->aid_len > maxlen) {
+		wpa_printf(MSG_DEBUG, "SCARD: Too long AID");
+		return -1;
+	}
+
+	os_memcpy(aid, efdir->rid, efdir->aid_len);
+
+	return efdir->aid_len;
+}
+
+
+/**
+ * scard_init - Initialize SIM/USIM connection using PC/SC
+ * @sim_type: Allowed SIM types (SIM, USIM, or both)
+ * Returns: Pointer to private data structure, or %NULL on failure
+ *
+ * This function is used to initialize SIM/USIM connection. PC/SC is used to
+ * open connection to the SIM/USIM card and the card is verified to support the
+ * selected sim_type. In addition, local flag is set if a PIN is needed to
+ * access some of the card functions. Once the connection is not needed
+ * anymore, scard_deinit() can be used to close it.
+ */
+struct scard_data * scard_init(scard_sim_type sim_type)
+{
+	long ret;
+	unsigned long len;
+	struct scard_data *scard;
+#ifdef CONFIG_NATIVE_WINDOWS
+	TCHAR *readers = NULL;
+#else /* CONFIG_NATIVE_WINDOWS */
+	char *readers = NULL;
+#endif /* CONFIG_NATIVE_WINDOWS */
+	unsigned char buf[100];
+	size_t blen;
+	int transaction = 0;
+	int pin_needed;
+
+	wpa_printf(MSG_DEBUG, "SCARD: initializing smart card interface");
+	if (mingw_load_symbols())
+		return NULL;
+	scard = os_zalloc(sizeof(*scard));
+	if (scard == NULL)
+		return NULL;
+
+	ret = SCardEstablishContext(SCARD_SCOPE_SYSTEM, NULL, NULL,
+				    &scard->ctx);
+	if (ret != SCARD_S_SUCCESS) {
+		wpa_printf(MSG_DEBUG, "SCARD: Could not establish smart card "
+			   "context (err=%ld)", ret);
+		goto failed;
+	}
+
+	ret = SCardListReaders(scard->ctx, NULL, NULL, &len);
+	if (ret != SCARD_S_SUCCESS) {
+		wpa_printf(MSG_DEBUG, "SCARD: SCardListReaders failed "
+			   "(err=%ld)", ret);
+		goto failed;
+	}
+
+#ifdef UNICODE
+	len *= 2;
+#endif /* UNICODE */
+	readers = os_malloc(len);
+	if (readers == NULL) {
+		wpa_printf(MSG_INFO, "SCARD: malloc failed\n");
+		goto failed;
+	}
+
+	ret = SCardListReaders(scard->ctx, NULL, readers, &len);
+	if (ret != SCARD_S_SUCCESS) {
+		wpa_printf(MSG_DEBUG, "SCARD: SCardListReaders failed(2) "
+			   "(err=%ld)", ret);
+		goto failed;
+	}
+	if (len < 3) {
+		wpa_printf(MSG_WARNING, "SCARD: No smart card readers "
+			   "available.");
+		goto failed;
+	}
+	/* readers is a list of available reader. Last entry is terminated with
+	 * double NUL.
+	 * TODO: add support for selecting the reader; now just use the first
+	 * one.. */
+#ifdef UNICODE
+	wpa_printf(MSG_DEBUG, "SCARD: Selected reader='%S'", readers);
+#else /* UNICODE */
+	wpa_printf(MSG_DEBUG, "SCARD: Selected reader='%s'", readers);
+#endif /* UNICODE */
+
+	ret = SCardConnect(scard->ctx, readers, SCARD_SHARE_SHARED,
+			   SCARD_PROTOCOL_T0, &scard->card, &scard->protocol);
+	if (ret != SCARD_S_SUCCESS) {
+		if (ret == (long) SCARD_E_NO_SMARTCARD)
+			wpa_printf(MSG_INFO, "No smart card inserted.");
+		else
+			wpa_printf(MSG_WARNING, "SCardConnect err=%lx", ret);
+		goto failed;
+	}
+
+	os_free(readers);
+	readers = NULL;
+
+	wpa_printf(MSG_DEBUG, "SCARD: card=0x%x active_protocol=%lu (%s)",
+		   (unsigned int) scard->card, scard->protocol,
+		   scard->protocol == SCARD_PROTOCOL_T0 ? "T0" : "T1");
+
+	ret = SCardBeginTransaction(scard->card);
+	if (ret != SCARD_S_SUCCESS) {
+		wpa_printf(MSG_DEBUG, "SCARD: Could not begin transaction: "
+			   "0x%x", (unsigned int) ret);
+		goto failed;
+	}
+	transaction = 1;
+
+	blen = sizeof(buf);
+
+	scard->sim_type = SCARD_GSM_SIM;
+	if (sim_type == SCARD_USIM_ONLY || sim_type == SCARD_TRY_BOTH) {
+		wpa_printf(MSG_DEBUG, "SCARD: verifying USIM support");
+		if (_scard_select_file(scard, SCARD_FILE_MF, buf, &blen,
+				       SCARD_USIM, NULL, 0)) {
+			wpa_printf(MSG_DEBUG, "SCARD: USIM is not supported");
+			if (sim_type == SCARD_USIM_ONLY)
+				goto failed;
+			wpa_printf(MSG_DEBUG, "SCARD: Trying to use GSM SIM");
+			scard->sim_type = SCARD_GSM_SIM;
+		} else {
+			wpa_printf(MSG_DEBUG, "SCARD: USIM is supported");
+			scard->sim_type = SCARD_USIM;
+		}
+	}
+
+	if (scard->sim_type == SCARD_GSM_SIM) {
+		blen = sizeof(buf);
+		if (scard_select_file(scard, SCARD_FILE_MF, buf, &blen)) {
+			wpa_printf(MSG_DEBUG, "SCARD: Failed to read MF");
+			goto failed;
+		}
+
+		blen = sizeof(buf);
+		if (scard_select_file(scard, SCARD_FILE_GSM_DF, buf, &blen)) {
+			wpa_printf(MSG_DEBUG, "SCARD: Failed to read GSM DF");
+			goto failed;
+		}
+	} else {
+		unsigned char aid[32];
+		int aid_len;
+
+		aid_len = scard_get_aid(scard, aid, sizeof(aid));
+		if (aid_len < 0) {
+			wpa_printf(MSG_DEBUG, "SCARD: Failed to find AID for "
+				   "3G USIM app - try to use standard 3G RID");
+			os_memcpy(aid, "\xa0\x00\x00\x00\x87", 5);
+			aid_len = 5;
+		}
+		wpa_hexdump(MSG_DEBUG, "SCARD: 3G USIM AID", aid, aid_len);
+
+		/* Select based on AID = 3G RID from EF_DIR. This is usually
+		 * starting with A0 00 00 00 87. */
+		blen = sizeof(buf);
+		if (_scard_select_file(scard, 0, buf, &blen, scard->sim_type,
+				       aid, aid_len)) {
+			wpa_printf(MSG_INFO, "SCARD: Failed to read 3G USIM "
+				   "app");
+			wpa_hexdump(MSG_INFO, "SCARD: 3G USIM AID",
+				    aid, aid_len);
+			goto failed;
+		}
+	}
+
+	/* Verify whether CHV1 (PIN1) is needed to access the card. */
+	pin_needed = scard_pin_needed(scard, buf, blen);
+	if (pin_needed < 0) {
+		wpa_printf(MSG_DEBUG, "SCARD: Failed to determine whether PIN "
+			   "is needed");
+		goto failed;
+	}
+	if (pin_needed) {
+		scard->pin1_required = 1;
+		wpa_printf(MSG_DEBUG, "PIN1 needed for SIM access");
+	}
+
+	ret = SCardEndTransaction(scard->card, SCARD_LEAVE_CARD);
+	if (ret != SCARD_S_SUCCESS) {
+		wpa_printf(MSG_DEBUG, "SCARD: Could not end transaction: "
+			   "0x%x", (unsigned int) ret);
+	}
+
+	return scard;
+
+failed:
+	if (transaction)
+		SCardEndTransaction(scard->card, SCARD_LEAVE_CARD);
+	os_free(readers);
+	scard_deinit(scard);
+	return NULL;
+}
+
+
+/**
+ * scard_set_pin - Set PIN (CHV1/PIN1) code for accessing SIM/USIM commands
+ * @scard: Pointer to private data from scard_init()
+ * @pin: PIN code as an ASCII string (e.g., "1234")
+ * Returns: 0 on success, -1 on failure
+ */
+int scard_set_pin(struct scard_data *scard, const char *pin)
+{
+	if (scard == NULL)
+		return -1;
+
+	/* Verify whether CHV1 (PIN1) is needed to access the card. */
+	if (scard->pin1_required) {
+		if (pin == NULL) {
+			wpa_printf(MSG_DEBUG, "No PIN configured for SIM "
+				   "access");
+			return -1;
+		}
+		if (scard_verify_pin(scard, pin)) {
+			wpa_printf(MSG_INFO, "PIN verification failed for "
+				"SIM access");
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+
+/**
+ * scard_deinit - Deinitialize SIM/USIM connection
+ * @scard: Pointer to private data from scard_init()
+ *
+ * This function closes the SIM/USIM connect opened with scard_init().
+ */
+void scard_deinit(struct scard_data *scard)
+{
+	long ret;
+
+	if (scard == NULL)
+		return;
+
+	wpa_printf(MSG_DEBUG, "SCARD: deinitializing smart card interface");
+	if (scard->card) {
+		ret = SCardDisconnect(scard->card, SCARD_UNPOWER_CARD);
+		if (ret != SCARD_S_SUCCESS) {
+			wpa_printf(MSG_DEBUG, "SCARD: Failed to disconnect "
+				   "smart card (err=%ld)", ret);
+		}
+	}
+
+	if (scard->ctx) {
+		ret = SCardReleaseContext(scard->ctx);
+		if (ret != SCARD_S_SUCCESS) {
+			wpa_printf(MSG_DEBUG, "Failed to release smart card "
+				   "context (err=%ld)", ret);
+		}
+	}
+	os_free(scard);
+	mingw_unload_symbols();
+}
+
+
+static long scard_transmit(struct scard_data *scard,
+			   unsigned char *_send, size_t send_len,
+			   unsigned char *_recv, size_t *recv_len)
+{
+	long ret;
+	unsigned long rlen;
+
+	wpa_hexdump_key(MSG_DEBUG, "SCARD: scard_transmit: send",
+			_send, send_len);
+	rlen = *recv_len;
+	ret = SCardTransmit(scard->card,
+			    scard->protocol == SCARD_PROTOCOL_T1 ?
+			    SCARD_PCI_T1 : SCARD_PCI_T0,
+			    _send, (unsigned long) send_len,
+			    NULL, _recv, &rlen);
+	*recv_len = rlen;
+	if (ret == SCARD_S_SUCCESS) {
+		wpa_hexdump(MSG_DEBUG, "SCARD: scard_transmit: recv",
+			    _recv, rlen);
+	} else {
+		wpa_printf(MSG_WARNING, "SCARD: SCardTransmit failed "
+			   "(err=0x%lx)", ret);
+	}
+	return ret;
+}
+
+
+static int _scard_select_file(struct scard_data *scard, unsigned short file_id,
+			      unsigned char *buf, size_t *buf_len,
+			      sim_types sim_type, unsigned char *aid,
+			      size_t aidlen)
+{
+	long ret;
+	unsigned char resp[3];
+	unsigned char cmd[50] = { SIM_CMD_SELECT };
+	int cmdlen;
+	unsigned char get_resp[5] = { SIM_CMD_GET_RESPONSE };
+	size_t len, rlen;
+
+	if (sim_type == SCARD_USIM) {
+		cmd[0] = USIM_CLA;
+		cmd[3] = 0x04;
+		get_resp[0] = USIM_CLA;
+	}
+
+	wpa_printf(MSG_DEBUG, "SCARD: select file %04x", file_id);
+	if (aid) {
+		wpa_hexdump(MSG_DEBUG, "SCARD: select file by AID",
+			    aid, aidlen);
+		if (5 + aidlen > sizeof(cmd))
+			return -1;
+		cmd[2] = 0x04; /* Select by AID */
+		cmd[4] = aidlen; /* len */
+		os_memcpy(cmd + 5, aid, aidlen);
+		cmdlen = 5 + aidlen;
+	} else {
+		cmd[5] = file_id >> 8;
+		cmd[6] = file_id & 0xff;
+		cmdlen = 7;
+	}
+	len = sizeof(resp);
+	ret = scard_transmit(scard, cmd, cmdlen, resp, &len);
+	if (ret != SCARD_S_SUCCESS) {
+		wpa_printf(MSG_WARNING, "SCARD: SCardTransmit failed "
+			   "(err=0x%lx)", ret);
+		return -1;
+	}
+
+	if (len != 2) {
+		wpa_printf(MSG_WARNING, "SCARD: unexpected resp len "
+			   "%d (expected 2)", (int) len);
+		return -1;
+	}
+
+	if (resp[0] == 0x98 && resp[1] == 0x04) {
+		/* Security status not satisfied (PIN_WLAN) */
+		wpa_printf(MSG_WARNING, "SCARD: Security status not satisfied "
+			   "(PIN_WLAN)");
+		return -1;
+	}
+
+	if (resp[0] == 0x6e) {
+		wpa_printf(MSG_DEBUG, "SCARD: used CLA not supported");
+		return -1;
+	}
+
+	if (resp[0] != 0x6c && resp[0] != 0x9f && resp[0] != 0x61) {
+		wpa_printf(MSG_WARNING, "SCARD: unexpected response 0x%02x "
+			   "(expected 0x61, 0x6c, or 0x9f)", resp[0]);
+		return -1;
+	}
+	/* Normal ending of command; resp[1] bytes available */
+	get_resp[4] = resp[1];
+	wpa_printf(MSG_DEBUG, "SCARD: trying to get response (%d bytes)",
+		   resp[1]);
+
+	rlen = *buf_len;
+	ret = scard_transmit(scard, get_resp, sizeof(get_resp), buf, &rlen);
+	if (ret == SCARD_S_SUCCESS) {
+		*buf_len = resp[1] < rlen ? resp[1] : rlen;
+		return 0;
+	}
+
+	wpa_printf(MSG_WARNING, "SCARD: SCardTransmit err=0x%lx\n", ret);
+	return -1;
+}
+
+
+static int scard_select_file(struct scard_data *scard, unsigned short file_id,
+			     unsigned char *buf, size_t *buf_len)
+{
+	return _scard_select_file(scard, file_id, buf, buf_len,
+				  scard->sim_type, NULL, 0);
+}
+
+
+static int scard_get_record_len(struct scard_data *scard, unsigned char recnum,
+				unsigned char mode)
+{
+	unsigned char buf[255];
+	unsigned char cmd[5] = { SIM_CMD_READ_RECORD /* , len */ };
+	size_t blen;
+	long ret;
+
+	if (scard->sim_type == SCARD_USIM)
+		cmd[0] = USIM_CLA;
+	cmd[2] = recnum;
+	cmd[3] = mode;
+	cmd[4] = sizeof(buf);
+
+	blen = sizeof(buf);
+	ret = scard_transmit(scard, cmd, sizeof(cmd), buf, &blen);
+	if (ret != SCARD_S_SUCCESS) {
+		wpa_printf(MSG_DEBUG, "SCARD: failed to determine file "
+			   "length for record %d", recnum);
+		return -1;
+	}
+
+	wpa_hexdump(MSG_DEBUG, "SCARD: file length determination response",
+		    buf, blen);
+
+	if (blen < 2 || buf[0] != 0x6c) {
+		wpa_printf(MSG_DEBUG, "SCARD: unexpected response to file "
+			   "length determination");
+		return -1;
+	}
+
+	return buf[1];
+}
+
+
+static int scard_read_record(struct scard_data *scard,
+			     unsigned char *data, size_t len,
+			     unsigned char recnum, unsigned char mode)
+{
+	unsigned char cmd[5] = { SIM_CMD_READ_RECORD /* , len */ };
+	size_t blen = len + 3;
+	unsigned char *buf;
+	long ret;
+
+	if (scard->sim_type == SCARD_USIM)
+		cmd[0] = USIM_CLA;
+	cmd[2] = recnum;
+	cmd[3] = mode;
+	cmd[4] = len;
+
+	buf = os_malloc(blen);
+	if (buf == NULL)
+		return -1;
+
+	ret = scard_transmit(scard, cmd, sizeof(cmd), buf, &blen);
+	if (ret != SCARD_S_SUCCESS) {
+		os_free(buf);
+		return -2;
+	}
+	if (blen != len + 2) {
+		wpa_printf(MSG_DEBUG, "SCARD: record read returned unexpected "
+			   "length %ld (expected %ld)",
+			   (long) blen, (long) len + 2);
+		os_free(buf);
+		return -3;
+	}
+
+	if (buf[len] != 0x90 || buf[len + 1] != 0x00) {
+		wpa_printf(MSG_DEBUG, "SCARD: record read returned unexpected "
+			   "status %02x %02x (expected 90 00)",
+			   buf[len], buf[len + 1]);
+		os_free(buf);
+		return -4;
+	}
+
+	os_memcpy(data, buf, len);
+	os_free(buf);
+
+	return 0;
+}
+
+
+static int scard_read_file(struct scard_data *scard,
+			   unsigned char *data, size_t len)
+{
+	unsigned char cmd[5] = { SIM_CMD_READ_BIN /* , len */ };
+	size_t blen = len + 3;
+	unsigned char *buf;
+	long ret;
+
+	cmd[4] = len;
+
+	buf = os_malloc(blen);
+	if (buf == NULL)
+		return -1;
+
+	if (scard->sim_type == SCARD_USIM)
+		cmd[0] = USIM_CLA;
+	ret = scard_transmit(scard, cmd, sizeof(cmd), buf, &blen);
+	if (ret != SCARD_S_SUCCESS) {
+		os_free(buf);
+		return -2;
+	}
+	if (blen != len + 2) {
+		wpa_printf(MSG_DEBUG, "SCARD: file read returned unexpected "
+			   "length %ld (expected %ld)",
+			   (long) blen, (long) len + 2);
+		os_free(buf);
+		return -3;
+	}
+
+	if (buf[len] != 0x90 || buf[len + 1] != 0x00) {
+		wpa_printf(MSG_DEBUG, "SCARD: file read returned unexpected "
+			   "status %02x %02x (expected 90 00)",
+			   buf[len], buf[len + 1]);
+		os_free(buf);
+		return -4;
+	}
+
+	os_memcpy(data, buf, len);
+	os_free(buf);
+
+	return 0;
+}
+
+
+static int scard_verify_pin(struct scard_data *scard, const char *pin)
+{
+	long ret;
+	unsigned char resp[3];
+	unsigned char cmd[5 + 8] = { SIM_CMD_VERIFY_CHV1 };
+	size_t len;
+
+	wpa_printf(MSG_DEBUG, "SCARD: verifying PIN");
+
+	if (pin == NULL || os_strlen(pin) > 8)
+		return -1;
+
+	if (scard->sim_type == SCARD_USIM)
+		cmd[0] = USIM_CLA;
+	os_memcpy(cmd + 5, pin, os_strlen(pin));
+	os_memset(cmd + 5 + os_strlen(pin), 0xff, 8 - os_strlen(pin));
+
+	len = sizeof(resp);
+	ret = scard_transmit(scard, cmd, sizeof(cmd), resp, &len);
+	if (ret != SCARD_S_SUCCESS)
+		return -2;
+
+	if (len != 2 || resp[0] != 0x90 || resp[1] != 0x00) {
+		wpa_printf(MSG_WARNING, "SCARD: PIN verification failed");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "SCARD: PIN verified successfully");
+	return 0;
+}
+
+
+/**
+ * scard_get_imsi - Read IMSI from SIM/USIM card
+ * @scard: Pointer to private data from scard_init()
+ * @imsi: Buffer for IMSI
+ * @len: Length of imsi buffer; set to IMSI length on success
+ * Returns: 0 on success, -1 if IMSI file cannot be selected, -2 if IMSI file
+ * selection returns invalid result code, -3 if parsing FSP template file fails
+ * (USIM only), -4 if IMSI does not fit in the provided imsi buffer (len is set
+ * to needed length), -5 if reading IMSI file fails.
+ *
+ * This function can be used to read IMSI from the SIM/USIM card. If the IMSI
+ * file is PIN protected, scard_set_pin() must have been used to set the
+ * correct PIN code before calling scard_get_imsi().
+ */
+int scard_get_imsi(struct scard_data *scard, char *imsi, size_t *len)
+{
+	unsigned char buf[100];
+	size_t blen, imsilen, i;
+	char *pos;
+
+	wpa_printf(MSG_DEBUG, "SCARD: reading IMSI from (GSM) EF-IMSI");
+	blen = sizeof(buf);
+	if (scard_select_file(scard, SCARD_FILE_GSM_EF_IMSI, buf, &blen))
+		return -1;
+	if (blen < 4) {
+		wpa_printf(MSG_WARNING, "SCARD: too short (GSM) EF-IMSI "
+			   "header (len=%ld)", (long) blen);
+		return -2;
+	}
+
+	if (scard->sim_type == SCARD_GSM_SIM) {
+		blen = (buf[2] << 8) | buf[3];
+	} else {
+		int file_size;
+		if (scard_parse_fsp_templ(buf, blen, NULL, &file_size))
+			return -3;
+		blen = file_size;
+	}
+	if (blen < 2 || blen > sizeof(buf)) {
+		wpa_printf(MSG_DEBUG, "SCARD: invalid IMSI file length=%ld",
+			   (long) blen);
+		return -3;
+	}
+
+	imsilen = (blen - 2) * 2 + 1;
+	wpa_printf(MSG_DEBUG, "SCARD: IMSI file length=%ld imsilen=%ld",
+		   (long) blen, (long) imsilen);
+	if (blen < 2 || imsilen > *len) {
+		*len = imsilen;
+		return -4;
+	}
+
+	if (scard_read_file(scard, buf, blen))
+		return -5;
+
+	pos = imsi;
+	*pos++ = '0' + (buf[1] >> 4 & 0x0f);
+	for (i = 2; i < blen; i++) {
+		unsigned char digit;
+
+		digit = buf[i] & 0x0f;
+		if (digit < 10)
+			*pos++ = '0' + digit;
+		else
+			imsilen--;
+
+		digit = buf[i] >> 4 & 0x0f;
+		if (digit < 10)
+			*pos++ = '0' + digit;
+		else
+			imsilen--;
+	}
+	*len = imsilen;
+
+	return 0;
+}
+
+
+/**
+ * scard_gsm_auth - Run GSM authentication command on SIM card
+ * @scard: Pointer to private data from scard_init()
+ * @_rand: 16-byte RAND value from HLR/AuC
+ * @sres: 4-byte buffer for SRES
+ * @kc: 8-byte buffer for Kc
+ * Returns: 0 on success, -1 if SIM/USIM connection has not been initialized,
+ * -2 if authentication command execution fails, -3 if unknown response code
+ * for authentication command is received, -4 if reading of response fails,
+ * -5 if if response data is of unexpected length
+ *
+ * This function performs GSM authentication using SIM/USIM card and the
+ * provided RAND value from HLR/AuC. If authentication command can be completed
+ * successfully, SRES and Kc values will be written into sres and kc buffers.
+ */
+int scard_gsm_auth(struct scard_data *scard, const unsigned char *_rand,
+		   unsigned char *sres, unsigned char *kc)
+{
+	unsigned char cmd[5 + 1 + 16] = { SIM_CMD_RUN_GSM_ALG };
+	int cmdlen;
+	unsigned char get_resp[5] = { SIM_CMD_GET_RESPONSE };
+	unsigned char resp[3], buf[12 + 3 + 2];
+	size_t len;
+	long ret;
+
+	if (scard == NULL)
+		return -1;
+
+	wpa_hexdump(MSG_DEBUG, "SCARD: GSM auth - RAND", _rand, 16);
+	if (scard->sim_type == SCARD_GSM_SIM) {
+		cmdlen = 5 + 16;
+		os_memcpy(cmd + 5, _rand, 16);
+	} else {
+		cmdlen = 5 + 1 + 16;
+		cmd[0] = USIM_CLA;
+		cmd[3] = 0x80;
+		cmd[4] = 17;
+		cmd[5] = 16;
+		os_memcpy(cmd + 6, _rand, 16);
+	}
+	len = sizeof(resp);
+	ret = scard_transmit(scard, cmd, cmdlen, resp, &len);
+	if (ret != SCARD_S_SUCCESS)
+		return -2;
+
+	if ((scard->sim_type == SCARD_GSM_SIM &&
+	     (len != 2 || resp[0] != 0x9f || resp[1] != 0x0c)) ||
+	    (scard->sim_type == SCARD_USIM &&
+	     (len != 2 || resp[0] != 0x61 || resp[1] != 0x0e))) {
+		wpa_printf(MSG_WARNING, "SCARD: unexpected response for GSM "
+			   "auth request (len=%ld resp=%02x %02x)",
+			   (long) len, resp[0], resp[1]);
+		return -3;
+	}
+	get_resp[4] = resp[1];
+
+	len = sizeof(buf);
+	ret = scard_transmit(scard, get_resp, sizeof(get_resp), buf, &len);
+	if (ret != SCARD_S_SUCCESS)
+		return -4;
+
+	if (scard->sim_type == SCARD_GSM_SIM) {
+		if (len != 4 + 8 + 2) {
+			wpa_printf(MSG_WARNING, "SCARD: unexpected data "
+				   "length for GSM auth (len=%ld, expected 14)",
+				   (long) len);
+			return -5;
+		}
+		os_memcpy(sres, buf, 4);
+		os_memcpy(kc, buf + 4, 8);
+	} else {
+		if (len != 1 + 4 + 1 + 8 + 2) {
+			wpa_printf(MSG_WARNING, "SCARD: unexpected data "
+				   "length for USIM auth (len=%ld, "
+				   "expected 16)", (long) len);
+			return -5;
+		}
+		if (buf[0] != 4 || buf[5] != 8) {
+			wpa_printf(MSG_WARNING, "SCARD: unexpected SREC/Kc "
+				   "length (%d %d, expected 4 8)",
+				   buf[0], buf[5]);
+		}
+		os_memcpy(sres, buf + 1, 4);
+		os_memcpy(kc, buf + 6, 8);
+	}
+
+	wpa_hexdump(MSG_DEBUG, "SCARD: GSM auth - SRES", sres, 4);
+	wpa_hexdump(MSG_DEBUG, "SCARD: GSM auth - Kc", kc, 8);
+
+	return 0;
+}
+
+
+/**
+ * scard_umts_auth - Run UMTS authentication command on USIM card
+ * @scard: Pointer to private data from scard_init()
+ * @_rand: 16-byte RAND value from HLR/AuC
+ * @autn: 16-byte AUTN value from HLR/AuC
+ * @res: 16-byte buffer for RES
+ * @res_len: Variable that will be set to RES length
+ * @ik: 16-byte buffer for IK
+ * @ck: 16-byte buffer for CK
+ * @auts: 14-byte buffer for AUTS
+ * Returns: 0 on success, -1 on failure, or -2 if USIM reports synchronization
+ * failure
+ *
+ * This function performs AKA authentication using USIM card and the provided
+ * RAND and AUTN values from HLR/AuC. If authentication command can be
+ * completed successfully, RES, IK, and CK values will be written into provided
+ * buffers and res_len is set to length of received RES value. If USIM reports
+ * synchronization failure, the received AUTS value will be written into auts
+ * buffer. In this case, RES, IK, and CK are not valid.
+ */
+int scard_umts_auth(struct scard_data *scard, const unsigned char *_rand,
+		    const unsigned char *autn,
+		    unsigned char *res, size_t *res_len,
+		    unsigned char *ik, unsigned char *ck, unsigned char *auts)
+{
+	unsigned char cmd[5 + 1 + AKA_RAND_LEN + 1 + AKA_AUTN_LEN] =
+		{ USIM_CMD_RUN_UMTS_ALG };
+	unsigned char get_resp[5] = { USIM_CMD_GET_RESPONSE };
+	unsigned char resp[3], buf[64], *pos, *end;
+	size_t len;
+	long ret;
+
+	if (scard == NULL)
+		return -1;
+
+	if (scard->sim_type == SCARD_GSM_SIM) {
+		wpa_printf(MSG_ERROR, "SCARD: Non-USIM card - cannot do UMTS "
+			   "auth");
+		return -1;
+	}
+
+	wpa_hexdump(MSG_DEBUG, "SCARD: UMTS auth - RAND", _rand, AKA_RAND_LEN);
+	wpa_hexdump(MSG_DEBUG, "SCARD: UMTS auth - AUTN", autn, AKA_AUTN_LEN);
+	cmd[5] = AKA_RAND_LEN;
+	os_memcpy(cmd + 6, _rand, AKA_RAND_LEN);
+	cmd[6 + AKA_RAND_LEN] = AKA_AUTN_LEN;
+	os_memcpy(cmd + 6 + AKA_RAND_LEN + 1, autn, AKA_AUTN_LEN);
+
+	len = sizeof(resp);
+	ret = scard_transmit(scard, cmd, sizeof(cmd), resp, &len);
+	if (ret != SCARD_S_SUCCESS)
+		return -1;
+
+	if (len <= sizeof(resp))
+		wpa_hexdump(MSG_DEBUG, "SCARD: UMTS alg response", resp, len);
+
+	if (len == 2 && resp[0] == 0x98 && resp[1] == 0x62) {
+		wpa_printf(MSG_WARNING, "SCARD: UMTS auth failed - "
+			   "MAC != XMAC");
+		return -1;
+	} else if (len != 2 || resp[0] != 0x61) {
+		wpa_printf(MSG_WARNING, "SCARD: unexpected response for UMTS "
+			   "auth request (len=%ld resp=%02x %02x)",
+			   (long) len, resp[0], resp[1]);
+		return -1;
+	}
+	get_resp[4] = resp[1];
+
+	len = sizeof(buf);
+	ret = scard_transmit(scard, get_resp, sizeof(get_resp), buf, &len);
+	if (ret != SCARD_S_SUCCESS || len > sizeof(buf))
+		return -1;
+
+	wpa_hexdump(MSG_DEBUG, "SCARD: UMTS get response result", buf, len);
+	if (len >= 2 + AKA_AUTS_LEN && buf[0] == 0xdc &&
+	    buf[1] == AKA_AUTS_LEN) {
+		wpa_printf(MSG_DEBUG, "SCARD: UMTS Synchronization-Failure");
+		os_memcpy(auts, buf + 2, AKA_AUTS_LEN);
+		wpa_hexdump(MSG_DEBUG, "SCARD: AUTS", auts, AKA_AUTS_LEN);
+		return -2;
+	} else if (len >= 6 + IK_LEN + CK_LEN && buf[0] == 0xdb) {
+		pos = buf + 1;
+		end = buf + len;
+
+		/* RES */
+		if (pos[0] > RES_MAX_LEN || pos + pos[0] > end) {
+			wpa_printf(MSG_DEBUG, "SCARD: Invalid RES");
+			return -1;
+		}
+		*res_len = *pos++;
+		os_memcpy(res, pos, *res_len);
+		pos += *res_len;
+		wpa_hexdump(MSG_DEBUG, "SCARD: RES", res, *res_len);
+
+		/* CK */
+		if (pos[0] != CK_LEN || pos + CK_LEN > end) {
+			wpa_printf(MSG_DEBUG, "SCARD: Invalid CK");
+			return -1;
+		}
+		pos++;
+		os_memcpy(ck, pos, CK_LEN);
+		pos += CK_LEN;
+		wpa_hexdump(MSG_DEBUG, "SCARD: CK", ck, CK_LEN);
+
+		/* IK */
+		if (pos[0] != IK_LEN || pos + IK_LEN > end) {
+			wpa_printf(MSG_DEBUG, "SCARD: Invalid IK");
+			return -1;
+		}
+		pos++;
+		os_memcpy(ik, pos, IK_LEN);
+		pos += IK_LEN;
+		wpa_hexdump(MSG_DEBUG, "SCARD: IK", ik, IK_LEN);
+
+		return 0;
+	}
+
+	wpa_printf(MSG_DEBUG, "SCARD: Unrecognized response");
+	return -1;
+}
diff --git a/src/utils/pcsc_funcs.h b/src/utils/pcsc_funcs.h
new file mode 100644
index 0000000..543f7c5
--- /dev/null
+++ b/src/utils/pcsc_funcs.h
@@ -0,0 +1,68 @@
+/*
+ * WPA Supplicant / PC/SC smartcard interface for USIM, GSM SIM
+ * Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef PCSC_FUNCS_H
+#define PCSC_FUNCS_H
+
+/* GSM files
+ * File type in first octet:
+ * 3F = Master File
+ * 7F = Dedicated File
+ * 2F = Elementary File under the Master File
+ * 6F = Elementary File under a Dedicated File
+ */
+#define SCARD_FILE_MF		0x3F00
+#define SCARD_FILE_GSM_DF	0x7F20
+#define SCARD_FILE_UMTS_DF	0x7F50
+#define SCARD_FILE_GSM_EF_IMSI	0x6F07
+#define SCARD_FILE_EF_DIR	0x2F00
+#define SCARD_FILE_EF_ICCID	0x2FE2
+#define SCARD_FILE_EF_CK	0x6FE1
+#define SCARD_FILE_EF_IK	0x6FE2
+
+#define SCARD_CHV1_OFFSET	13
+#define SCARD_CHV1_FLAG		0x80
+
+typedef enum {
+	SCARD_GSM_SIM_ONLY,
+	SCARD_USIM_ONLY,
+	SCARD_TRY_BOTH
+} scard_sim_type;
+
+
+#ifdef PCSC_FUNCS
+struct scard_data * scard_init(scard_sim_type sim_type);
+void scard_deinit(struct scard_data *scard);
+
+int scard_set_pin(struct scard_data *scard, const char *pin);
+int scard_get_imsi(struct scard_data *scard, char *imsi, size_t *len);
+int scard_gsm_auth(struct scard_data *scard, const unsigned char *_rand,
+		   unsigned char *sres, unsigned char *kc);
+int scard_umts_auth(struct scard_data *scard, const unsigned char *_rand,
+		    const unsigned char *autn,
+		    unsigned char *res, size_t *res_len,
+		    unsigned char *ik, unsigned char *ck, unsigned char *auts);
+
+#else /* PCSC_FUNCS */
+
+#define scard_init(s) NULL
+#define scard_deinit(s) do { } while (0)
+#define scard_set_pin(s, p) -1
+#define scard_get_imsi(s, i, l) -1
+#define scard_gsm_auth(s, r, s2, k) -1
+#define scard_umts_auth(s, r, a, r2, rl, i, c, a2) -1
+
+#endif /* PCSC_FUNCS */
+
+#endif /* PCSC_FUNCS_H */
diff --git a/src/utils/radiotap.c b/src/utils/radiotap.c
new file mode 100644
index 0000000..804473f
--- /dev/null
+++ b/src/utils/radiotap.c
@@ -0,0 +1,287 @@
+/*
+ * Radiotap parser
+ *
+ * Copyright 2007		Andy Green <andy@warmcat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ *
+ * Modified for userspace by Johannes Berg <johannes@sipsolutions.net>
+ * I only modified some things on top to ease syncing should bugs be found.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "radiotap_iter.h"
+
+#define le16_to_cpu		le_to_host16
+#define le32_to_cpu		le_to_host32
+#define __le32			uint32_t
+#define ulong			unsigned long
+#define unlikely(cond)		(cond)
+#define get_unaligned(p)					\
+({								\
+	struct packed_dummy_struct {				\
+		typeof(*(p)) __val;				\
+	} __attribute__((packed)) *__ptr = (void *) (p);	\
+								\
+	__ptr->__val;						\
+})
+
+/* function prototypes and related defs are in radiotap_iter.h */
+
+/**
+ * ieee80211_radiotap_iterator_init - radiotap parser iterator initialization
+ * @iterator: radiotap_iterator to initialize
+ * @radiotap_header: radiotap header to parse
+ * @max_length: total length we can parse into (eg, whole packet length)
+ *
+ * Returns: 0 or a negative error code if there is a problem.
+ *
+ * This function initializes an opaque iterator struct which can then
+ * be passed to ieee80211_radiotap_iterator_next() to visit every radiotap
+ * argument which is present in the header.  It knows about extended
+ * present headers and handles them.
+ *
+ * How to use:
+ * call __ieee80211_radiotap_iterator_init() to init a semi-opaque iterator
+ * struct ieee80211_radiotap_iterator (no need to init the struct beforehand)
+ * checking for a good 0 return code.  Then loop calling
+ * __ieee80211_radiotap_iterator_next()... it returns either 0,
+ * -ENOENT if there are no more args to parse, or -EINVAL if there is a problem.
+ * The iterator's @this_arg member points to the start of the argument
+ * associated with the current argument index that is present, which can be
+ * found in the iterator's @this_arg_index member.  This arg index corresponds
+ * to the IEEE80211_RADIOTAP_... defines.
+ *
+ * Radiotap header length:
+ * You can find the CPU-endian total radiotap header length in
+ * iterator->max_length after executing ieee80211_radiotap_iterator_init()
+ * successfully.
+ *
+ * Alignment Gotcha:
+ * You must take care when dereferencing iterator.this_arg
+ * for multibyte types... the pointer is not aligned.  Use
+ * get_unaligned((type *)iterator.this_arg) to dereference
+ * iterator.this_arg for type "type" safely on all arches.
+ *
+ * Example code:
+ * See Documentation/networking/radiotap-headers.txt
+ */
+
+int ieee80211_radiotap_iterator_init(
+    struct ieee80211_radiotap_iterator *iterator,
+    struct ieee80211_radiotap_header *radiotap_header,
+    int max_length)
+{
+	/* Linux only supports version 0 radiotap format */
+	if (radiotap_header->it_version)
+		return -EINVAL;
+
+	/* sanity check for allowed length and radiotap length field */
+	if (max_length < le16_to_cpu(get_unaligned(&radiotap_header->it_len)))
+		return -EINVAL;
+
+	iterator->rtheader = radiotap_header;
+	iterator->max_length = le16_to_cpu(get_unaligned(
+						&radiotap_header->it_len));
+	iterator->arg_index = 0;
+	iterator->bitmap_shifter = le32_to_cpu(get_unaligned(
+						&radiotap_header->it_present));
+	iterator->arg = (u8 *)radiotap_header + sizeof(*radiotap_header);
+	iterator->this_arg = NULL;
+
+	/* find payload start allowing for extended bitmap(s) */
+
+	if (unlikely(iterator->bitmap_shifter & (1<<IEEE80211_RADIOTAP_EXT))) {
+		while (le32_to_cpu(get_unaligned((__le32 *)iterator->arg)) &
+				   (1<<IEEE80211_RADIOTAP_EXT)) {
+			iterator->arg += sizeof(u32);
+
+			/*
+			 * check for insanity where the present bitmaps
+			 * keep claiming to extend up to or even beyond the
+			 * stated radiotap header length
+			 */
+
+			if (((ulong)iterator->arg - (ulong)iterator->rtheader)
+			    > (ulong)iterator->max_length)
+				return -EINVAL;
+		}
+
+		iterator->arg += sizeof(u32);
+
+		/*
+		 * no need to check again for blowing past stated radiotap
+		 * header length, because ieee80211_radiotap_iterator_next
+		 * checks it before it is dereferenced
+		 */
+	}
+
+	/* we are all initialized happily */
+
+	return 0;
+}
+
+
+/**
+ * ieee80211_radiotap_iterator_next - return next radiotap parser iterator arg
+ * @iterator: radiotap_iterator to move to next arg (if any)
+ *
+ * Returns: 0 if there is an argument to handle,
+ * -ENOENT if there are no more args or -EINVAL
+ * if there is something else wrong.
+ *
+ * This function provides the next radiotap arg index (IEEE80211_RADIOTAP_*)
+ * in @this_arg_index and sets @this_arg to point to the
+ * payload for the field.  It takes care of alignment handling and extended
+ * present fields.  @this_arg can be changed by the caller (eg,
+ * incremented to move inside a compound argument like
+ * IEEE80211_RADIOTAP_CHANNEL).  The args pointed to are in
+ * little-endian format whatever the endianess of your CPU.
+ *
+ * Alignment Gotcha:
+ * You must take care when dereferencing iterator.this_arg
+ * for multibyte types... the pointer is not aligned.  Use
+ * get_unaligned((type *)iterator.this_arg) to dereference
+ * iterator.this_arg for type "type" safely on all arches.
+ */
+
+int ieee80211_radiotap_iterator_next(
+    struct ieee80211_radiotap_iterator *iterator)
+{
+
+	/*
+	 * small length lookup table for all radiotap types we heard of
+	 * starting from b0 in the bitmap, so we can walk the payload
+	 * area of the radiotap header
+	 *
+	 * There is a requirement to pad args, so that args
+	 * of a given length must begin at a boundary of that length
+	 * -- but note that compound args are allowed (eg, 2 x u16
+	 * for IEEE80211_RADIOTAP_CHANNEL) so total arg length is not
+	 * a reliable indicator of alignment requirement.
+	 *
+	 * upper nybble: content alignment for arg
+	 * lower nybble: content length for arg
+	 */
+
+	static const u8 rt_sizes[] = {
+		[IEEE80211_RADIOTAP_TSFT] = 0x88,
+		[IEEE80211_RADIOTAP_FLAGS] = 0x11,
+		[IEEE80211_RADIOTAP_RATE] = 0x11,
+		[IEEE80211_RADIOTAP_CHANNEL] = 0x24,
+		[IEEE80211_RADIOTAP_FHSS] = 0x22,
+		[IEEE80211_RADIOTAP_DBM_ANTSIGNAL] = 0x11,
+		[IEEE80211_RADIOTAP_DBM_ANTNOISE] = 0x11,
+		[IEEE80211_RADIOTAP_LOCK_QUALITY] = 0x22,
+		[IEEE80211_RADIOTAP_TX_ATTENUATION] = 0x22,
+		[IEEE80211_RADIOTAP_DB_TX_ATTENUATION] = 0x22,
+		[IEEE80211_RADIOTAP_DBM_TX_POWER] = 0x11,
+		[IEEE80211_RADIOTAP_ANTENNA] = 0x11,
+		[IEEE80211_RADIOTAP_DB_ANTSIGNAL] = 0x11,
+		[IEEE80211_RADIOTAP_DB_ANTNOISE] = 0x11,
+		[IEEE80211_RADIOTAP_RX_FLAGS] = 0x22,
+		[IEEE80211_RADIOTAP_TX_FLAGS] = 0x22,
+		[IEEE80211_RADIOTAP_RTS_RETRIES] = 0x11,
+		[IEEE80211_RADIOTAP_DATA_RETRIES] = 0x11,
+		/*
+		 * add more here as they are defined in
+		 * include/net/ieee80211_radiotap.h
+		 */
+	};
+
+	/*
+	 * for every radiotap entry we can at
+	 * least skip (by knowing the length)...
+	 */
+
+	while (iterator->arg_index < (int) sizeof(rt_sizes)) {
+		int hit = 0;
+		int pad;
+
+		if (!(iterator->bitmap_shifter & 1))
+			goto next_entry; /* arg not present */
+
+		/*
+		 * arg is present, account for alignment padding
+		 *  8-bit args can be at any alignment
+		 * 16-bit args must start on 16-bit boundary
+		 * 32-bit args must start on 32-bit boundary
+		 * 64-bit args must start on 64-bit boundary
+		 *
+		 * note that total arg size can differ from alignment of
+		 * elements inside arg, so we use upper nybble of length
+		 * table to base alignment on
+		 *
+		 * also note: these alignments are ** relative to the
+		 * start of the radiotap header **.  There is no guarantee
+		 * that the radiotap header itself is aligned on any
+		 * kind of boundary.
+		 *
+		 * the above is why get_unaligned() is used to dereference
+		 * multibyte elements from the radiotap area
+		 */
+
+		pad = (((ulong)iterator->arg) -
+			((ulong)iterator->rtheader)) &
+			((rt_sizes[iterator->arg_index] >> 4) - 1);
+
+		if (pad)
+			iterator->arg +=
+				(rt_sizes[iterator->arg_index] >> 4) - pad;
+
+		/*
+		 * this is what we will return to user, but we need to
+		 * move on first so next call has something fresh to test
+		 */
+		iterator->this_arg_index = iterator->arg_index;
+		iterator->this_arg = iterator->arg;
+		hit = 1;
+
+		/* internally move on the size of this arg */
+		iterator->arg += rt_sizes[iterator->arg_index] & 0x0f;
+
+		/*
+		 * check for insanity where we are given a bitmap that
+		 * claims to have more arg content than the length of the
+		 * radiotap section.  We will normally end up equalling this
+		 * max_length on the last arg, never exceeding it.
+		 */
+
+		if (((ulong)iterator->arg - (ulong)iterator->rtheader) >
+		    (ulong) iterator->max_length)
+			return -EINVAL;
+
+	next_entry:
+		iterator->arg_index++;
+		if (unlikely((iterator->arg_index & 31) == 0)) {
+			/* completed current u32 bitmap */
+			if (iterator->bitmap_shifter & 1) {
+				/* b31 was set, there is more */
+				/* move to next u32 bitmap */
+				iterator->bitmap_shifter = le32_to_cpu(
+					get_unaligned(iterator->next_bitmap));
+				iterator->next_bitmap++;
+			} else
+				/* no more bitmaps: end */
+				iterator->arg_index = sizeof(rt_sizes);
+		} else /* just try the next bit */
+			iterator->bitmap_shifter >>= 1;
+
+		/* if we found a valid arg earlier, return it now */
+		if (hit)
+			return 0;
+	}
+
+	/* we don't know how to handle any more args, we're done */
+	return -ENOENT;
+}
diff --git a/src/utils/radiotap.h b/src/utils/radiotap.h
new file mode 100644
index 0000000..508264c
--- /dev/null
+++ b/src/utils/radiotap.h
@@ -0,0 +1,242 @@
+/* $FreeBSD: src/sys/net80211/ieee80211_radiotap.h,v 1.5 2005/01/22 20:12:05 sam Exp $ */
+/* $NetBSD: ieee80211_radiotap.h,v 1.11 2005/06/22 06:16:02 dyoung Exp $ */
+
+/*-
+ * Copyright (c) 2003, 2004 David Young.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of David Young may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY DAVID YOUNG ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL DAVID
+ * YOUNG BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ */
+
+/*
+ * Modifications to fit into the linux IEEE 802.11 stack,
+ * Mike Kershaw (dragorn@kismetwireless.net)
+ */
+
+#ifndef IEEE80211RADIOTAP_H
+#define IEEE80211RADIOTAP_H
+
+#include <stdint.h>
+
+/* Base version of the radiotap packet header data */
+#define PKTHDR_RADIOTAP_VERSION		0
+
+/* A generic radio capture format is desirable. There is one for
+ * Linux, but it is neither rigidly defined (there were not even
+ * units given for some fields) nor easily extensible.
+ *
+ * I suggest the following extensible radio capture format. It is
+ * based on a bitmap indicating which fields are present.
+ *
+ * I am trying to describe precisely what the application programmer
+ * should expect in the following, and for that reason I tell the
+ * units and origin of each measurement (where it applies), or else I
+ * use sufficiently weaselly language ("is a monotonically nondecreasing
+ * function of...") that I cannot set false expectations for lawyerly
+ * readers.
+ */
+
+/* The radio capture header precedes the 802.11 header.
+ * All data in the header is little endian on all platforms.
+ */
+struct ieee80211_radiotap_header {
+	uint8_t it_version;	/* Version 0. Only increases
+				 * for drastic changes,
+				 * introduction of compatible
+				 * new fields does not count.
+				 */
+	uint8_t it_pad;
+	uint16_t it_len;	/* length of the whole
+				 * header in bytes, including
+				 * it_version, it_pad,
+				 * it_len, and data fields.
+				 */
+	uint32_t it_present;	/* A bitmap telling which
+				 * fields are present. Set bit 31
+				 * (0x80000000) to extend the
+				 * bitmap by another 32 bits.
+				 * Additional extensions are made
+				 * by setting bit 31.
+				 */
+};
+
+/* Name                                 Data type    Units
+ * ----                                 ---------    -----
+ *
+ * IEEE80211_RADIOTAP_TSFT              __le64       microseconds
+ *
+ *      Value in microseconds of the MAC's 64-bit 802.11 Time
+ *      Synchronization Function timer when the first bit of the
+ *      MPDU arrived at the MAC. For received frames, only.
+ *
+ * IEEE80211_RADIOTAP_CHANNEL           2 x uint16_t   MHz, bitmap
+ *
+ *      Tx/Rx frequency in MHz, followed by flags (see below).
+ *
+ * IEEE80211_RADIOTAP_FHSS              uint16_t       see below
+ *
+ *      For frequency-hopping radios, the hop set (first byte)
+ *      and pattern (second byte).
+ *
+ * IEEE80211_RADIOTAP_RATE              u8           500kb/s
+ *
+ *      Tx/Rx data rate
+ *
+ * IEEE80211_RADIOTAP_DBM_ANTSIGNAL     s8           decibels from
+ *                                                   one milliwatt (dBm)
+ *
+ *      RF signal power at the antenna, decibel difference from
+ *      one milliwatt.
+ *
+ * IEEE80211_RADIOTAP_DBM_ANTNOISE      s8           decibels from
+ *                                                   one milliwatt (dBm)
+ *
+ *      RF noise power at the antenna, decibel difference from one
+ *      milliwatt.
+ *
+ * IEEE80211_RADIOTAP_DB_ANTSIGNAL      u8           decibel (dB)
+ *
+ *      RF signal power at the antenna, decibel difference from an
+ *      arbitrary, fixed reference.
+ *
+ * IEEE80211_RADIOTAP_DB_ANTNOISE       u8           decibel (dB)
+ *
+ *      RF noise power at the antenna, decibel difference from an
+ *      arbitrary, fixed reference point.
+ *
+ * IEEE80211_RADIOTAP_LOCK_QUALITY      uint16_t       unitless
+ *
+ *      Quality of Barker code lock. Unitless. Monotonically
+ *      nondecreasing with "better" lock strength. Called "Signal
+ *      Quality" in datasheets.  (Is there a standard way to measure
+ *      this?)
+ *
+ * IEEE80211_RADIOTAP_TX_ATTENUATION    uint16_t       unitless
+ *
+ *      Transmit power expressed as unitless distance from max
+ *      power set at factory calibration.  0 is max power.
+ *      Monotonically nondecreasing with lower power levels.
+ *
+ * IEEE80211_RADIOTAP_DB_TX_ATTENUATION uint16_t       decibels (dB)
+ *
+ *      Transmit power expressed as decibel distance from max power
+ *      set at factory calibration.  0 is max power.  Monotonically
+ *      nondecreasing with lower power levels.
+ *
+ * IEEE80211_RADIOTAP_DBM_TX_POWER      s8           decibels from
+ *                                                   one milliwatt (dBm)
+ *
+ *      Transmit power expressed as dBm (decibels from a 1 milliwatt
+ *      reference). This is the absolute power level measured at
+ *      the antenna port.
+ *
+ * IEEE80211_RADIOTAP_FLAGS             u8           bitmap
+ *
+ *      Properties of transmitted and received frames. See flags
+ *      defined below.
+ *
+ * IEEE80211_RADIOTAP_ANTENNA           u8           antenna index
+ *
+ *      Unitless indication of the Rx/Tx antenna for this packet.
+ *      The first antenna is antenna 0.
+ *
+ * IEEE80211_RADIOTAP_RX_FLAGS          uint16_t       bitmap
+ *
+ *     Properties of received frames. See flags defined below.
+ *
+ * IEEE80211_RADIOTAP_TX_FLAGS          uint16_t       bitmap
+ *
+ *     Properties of transmitted frames. See flags defined below.
+ *
+ * IEEE80211_RADIOTAP_RTS_RETRIES       u8           data
+ *
+ *     Number of rts retries a transmitted frame used.
+ *
+ * IEEE80211_RADIOTAP_DATA_RETRIES      u8           data
+ *
+ *     Number of unicast retries a transmitted frame used.
+ *
+ */
+enum ieee80211_radiotap_type {
+	IEEE80211_RADIOTAP_TSFT = 0,
+	IEEE80211_RADIOTAP_FLAGS = 1,
+	IEEE80211_RADIOTAP_RATE = 2,
+	IEEE80211_RADIOTAP_CHANNEL = 3,
+	IEEE80211_RADIOTAP_FHSS = 4,
+	IEEE80211_RADIOTAP_DBM_ANTSIGNAL = 5,
+	IEEE80211_RADIOTAP_DBM_ANTNOISE = 6,
+	IEEE80211_RADIOTAP_LOCK_QUALITY = 7,
+	IEEE80211_RADIOTAP_TX_ATTENUATION = 8,
+	IEEE80211_RADIOTAP_DB_TX_ATTENUATION = 9,
+	IEEE80211_RADIOTAP_DBM_TX_POWER = 10,
+	IEEE80211_RADIOTAP_ANTENNA = 11,
+	IEEE80211_RADIOTAP_DB_ANTSIGNAL = 12,
+	IEEE80211_RADIOTAP_DB_ANTNOISE = 13,
+	IEEE80211_RADIOTAP_RX_FLAGS = 14,
+	IEEE80211_RADIOTAP_TX_FLAGS = 15,
+	IEEE80211_RADIOTAP_RTS_RETRIES = 16,
+	IEEE80211_RADIOTAP_DATA_RETRIES = 17,
+	IEEE80211_RADIOTAP_EXT = 31
+};
+
+/* Channel flags. */
+#define	IEEE80211_CHAN_TURBO	0x0010	/* Turbo channel */
+#define	IEEE80211_CHAN_CCK	0x0020	/* CCK channel */
+#define	IEEE80211_CHAN_OFDM	0x0040	/* OFDM channel */
+#define	IEEE80211_CHAN_2GHZ	0x0080	/* 2 GHz spectrum channel. */
+#define	IEEE80211_CHAN_5GHZ	0x0100	/* 5 GHz spectrum channel */
+#define	IEEE80211_CHAN_PASSIVE	0x0200	/* Only passive scan allowed */
+#define	IEEE80211_CHAN_DYN	0x0400	/* Dynamic CCK-OFDM channel */
+#define	IEEE80211_CHAN_GFSK	0x0800	/* GFSK channel (FHSS PHY) */
+
+/* For IEEE80211_RADIOTAP_FLAGS */
+#define	IEEE80211_RADIOTAP_F_CFP	0x01	/* sent/received
+						 * during CFP
+						 */
+#define	IEEE80211_RADIOTAP_F_SHORTPRE	0x02	/* sent/received
+						 * with short
+						 * preamble
+						 */
+#define	IEEE80211_RADIOTAP_F_WEP	0x04	/* sent/received
+						 * with WEP encryption
+						 */
+#define	IEEE80211_RADIOTAP_F_FRAG	0x08	/* sent/received
+						 * with fragmentation
+						 */
+#define	IEEE80211_RADIOTAP_F_FCS	0x10	/* frame includes FCS */
+#define	IEEE80211_RADIOTAP_F_DATAPAD	0x20	/* frame has padding between
+						 * 802.11 header and payload
+						 * (to 32-bit boundary)
+						 */
+/* For IEEE80211_RADIOTAP_RX_FLAGS */
+#define IEEE80211_RADIOTAP_F_RX_BADFCS	0x0001	/* frame failed crc check */
+
+/* For IEEE80211_RADIOTAP_TX_FLAGS */
+#define IEEE80211_RADIOTAP_F_TX_FAIL	0x0001	/* failed due to excessive
+						 * retries */
+#define IEEE80211_RADIOTAP_F_TX_CTS	0x0002	/* used cts 'protection' */
+#define IEEE80211_RADIOTAP_F_TX_RTS	0x0004	/* used rts/cts handshake */
+
+#endif				/* IEEE80211_RADIOTAP_H */
diff --git a/src/utils/radiotap_iter.h b/src/utils/radiotap_iter.h
new file mode 100644
index 0000000..92a798a
--- /dev/null
+++ b/src/utils/radiotap_iter.h
@@ -0,0 +1,41 @@
+#ifndef __RADIOTAP_ITER_H
+#define __RADIOTAP_ITER_H
+
+#include "radiotap.h"
+
+/* Radiotap header iteration
+ *   implemented in radiotap.c
+ */
+/**
+ * struct ieee80211_radiotap_iterator - tracks walk thru present radiotap args
+ * @rtheader: pointer to the radiotap header we are walking through
+ * @max_length: length of radiotap header in cpu byte ordering
+ * @this_arg_index: IEEE80211_RADIOTAP_... index of current arg
+ * @this_arg: pointer to current radiotap arg
+ * @arg_index: internal next argument index
+ * @arg: internal next argument pointer
+ * @next_bitmap: internal pointer to next present u32
+ * @bitmap_shifter: internal shifter for curr u32 bitmap, b0 set == arg present
+ */
+
+struct ieee80211_radiotap_iterator {
+	struct ieee80211_radiotap_header *rtheader;
+	int max_length;
+	int this_arg_index;
+	unsigned char *this_arg;
+
+	int arg_index;
+	unsigned char *arg;
+	uint32_t *next_bitmap;
+	uint32_t bitmap_shifter;
+};
+
+extern int ieee80211_radiotap_iterator_init(
+   struct ieee80211_radiotap_iterator *iterator,
+   struct ieee80211_radiotap_header *radiotap_header,
+   int max_length);
+
+extern int ieee80211_radiotap_iterator_next(
+   struct ieee80211_radiotap_iterator *iterator);
+
+#endif /* __RADIOTAP_ITER_H */
diff --git a/src/utils/state_machine.h b/src/utils/state_machine.h
new file mode 100644
index 0000000..31f6672
--- /dev/null
+++ b/src/utils/state_machine.h
@@ -0,0 +1,144 @@
+/*
+ * wpa_supplicant/hostapd - State machine definitions
+ * Copyright (c) 2002-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This file includes a set of pre-processor macros that can be used to
+ * implement a state machine. In addition to including this header file, each
+ * file implementing a state machine must define STATE_MACHINE_DATA to be the
+ * data structure including state variables (enum machine_state,
+ * Boolean changed), and STATE_MACHINE_DEBUG_PREFIX to be a string that is used
+ * as a prefix for all debug messages. If SM_ENTRY_MA macro is used to define
+ * a group of state machines with shared data structure, STATE_MACHINE_ADDR
+ * needs to be defined to point to the MAC address used in debug output.
+ * SM_ENTRY_M macro can be used to define similar group of state machines
+ * without this additional debug info.
+ */
+
+#ifndef STATE_MACHINE_H
+#define STATE_MACHINE_H
+
+/**
+ * SM_STATE - Declaration of a state machine function
+ * @machine: State machine name
+ * @state: State machine state
+ *
+ * This macro is used to declare a state machine function. It is used in place
+ * of a C function definition to declare functions to be run when the state is
+ * entered by calling SM_ENTER or SM_ENTER_GLOBAL.
+ */
+#define SM_STATE(machine, state) \
+static void sm_ ## machine ## _ ## state ## _Enter(STATE_MACHINE_DATA *sm, \
+	int global)
+
+/**
+ * SM_ENTRY - State machine function entry point
+ * @machine: State machine name
+ * @state: State machine state
+ *
+ * This macro is used inside each state machine function declared with
+ * SM_STATE. SM_ENTRY should be in the beginning of the function body, but
+ * after declaration of possible local variables. This macro prints debug
+ * information about state transition and update the state machine state.
+ */
+#define SM_ENTRY(machine, state) \
+if (!global || sm->machine ## _state != machine ## _ ## state) { \
+	sm->changed = TRUE; \
+	wpa_printf(MSG_DEBUG, STATE_MACHINE_DEBUG_PREFIX ": " #machine \
+		   " entering state " #state); \
+} \
+sm->machine ## _state = machine ## _ ## state;
+
+/**
+ * SM_ENTRY_M - State machine function entry point for state machine group
+ * @machine: State machine name
+ * @_state: State machine state
+ * @data: State variable prefix (full variable: prefix_state)
+ *
+ * This macro is like SM_ENTRY, but for state machine groups that use a shared
+ * data structure for more than one state machine. Both machine and prefix
+ * parameters are set to "sub-state machine" name. prefix is used to allow more
+ * than one state variable to be stored in the same data structure.
+ */
+#define SM_ENTRY_M(machine, _state, data) \
+if (!global || sm->data ## _ ## state != machine ## _ ## _state) { \
+	sm->changed = TRUE; \
+	wpa_printf(MSG_DEBUG, STATE_MACHINE_DEBUG_PREFIX ": " \
+		   #machine " entering state " #_state); \
+} \
+sm->data ## _ ## state = machine ## _ ## _state;
+
+/**
+ * SM_ENTRY_MA - State machine function entry point for state machine group
+ * @machine: State machine name
+ * @_state: State machine state
+ * @data: State variable prefix (full variable: prefix_state)
+ *
+ * This macro is like SM_ENTRY_M, but a MAC address is included in debug
+ * output. STATE_MACHINE_ADDR has to be defined to point to the MAC address to
+ * be included in debug.
+ */
+#define SM_ENTRY_MA(machine, _state, data) \
+if (!global || sm->data ## _ ## state != machine ## _ ## _state) { \
+	sm->changed = TRUE; \
+	wpa_printf(MSG_DEBUG, STATE_MACHINE_DEBUG_PREFIX ": " MACSTR " " \
+		   #machine " entering state " #_state, \
+		   MAC2STR(STATE_MACHINE_ADDR)); \
+} \
+sm->data ## _ ## state = machine ## _ ## _state;
+
+/**
+ * SM_ENTER - Enter a new state machine state
+ * @machine: State machine name
+ * @state: State machine state
+ *
+ * This macro expands to a function call to a state machine function defined
+ * with SM_STATE macro. SM_ENTER is used in a state machine step function to
+ * move the state machine to a new state.
+ */
+#define SM_ENTER(machine, state) \
+sm_ ## machine ## _ ## state ## _Enter(sm, 0)
+
+/**
+ * SM_ENTER_GLOBAL - Enter a new state machine state based on global rule
+ * @machine: State machine name
+ * @state: State machine state
+ *
+ * This macro is like SM_ENTER, but this is used when entering a new state
+ * based on a global (not specific to any particular state) rule. A separate
+ * macro is used to avoid unwanted debug message floods when the same global
+ * rule is forcing a state machine to remain in on state.
+ */
+#define SM_ENTER_GLOBAL(machine, state) \
+sm_ ## machine ## _ ## state ## _Enter(sm, 1)
+
+/**
+ * SM_STEP - Declaration of a state machine step function
+ * @machine: State machine name
+ *
+ * This macro is used to declare a state machine step function. It is used in
+ * place of a C function definition to declare a function that is used to move
+ * state machine to a new state based on state variables. This function uses
+ * SM_ENTER and SM_ENTER_GLOBAL macros to enter new state.
+ */
+#define SM_STEP(machine) \
+static void sm_ ## machine ## _Step(STATE_MACHINE_DATA *sm)
+
+/**
+ * SM_STEP_RUN - Call the state machine step function
+ * @machine: State machine name
+ *
+ * This macro expands to a function call to a state machine step function
+ * defined with SM_STEP macro.
+ */
+#define SM_STEP_RUN(machine) sm_ ## machine ## _Step(sm)
+
+#endif /* STATE_MACHINE_H */
diff --git a/src/utils/trace.c b/src/utils/trace.c
new file mode 100644
index 0000000..bb3eb24
--- /dev/null
+++ b/src/utils/trace.c
@@ -0,0 +1,329 @@
+/*
+ * Backtrace debugging
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "trace.h"
+
+#ifdef WPA_TRACE
+
+static struct dl_list active_references =
+{ &active_references, &active_references };
+
+#ifdef WPA_TRACE_BFD
+#include <bfd.h>
+#ifdef __linux__
+#include <demangle.h>
+#else /* __linux__ */
+#include <libiberty/demangle.h>
+#endif /* __linux__ */
+
+static char *prg_fname = NULL;
+static bfd *cached_abfd = NULL;
+static asymbol **syms = NULL;
+
+static void get_prg_fname(void)
+{
+	char exe[50], fname[512];
+	int len;
+	os_snprintf(exe, sizeof(exe) - 1, "/proc/%u/exe", getpid());
+	len = readlink(exe, fname, sizeof(fname) - 1);
+	if (len < 0 || len >= (int) sizeof(fname)) {
+		perror("readlink");
+		return;
+	}
+	fname[len] = '\0';
+	prg_fname = strdup(fname);
+}
+
+
+static bfd * open_bfd(const char *fname)
+{
+	bfd *abfd;
+	char **matching;
+
+	abfd = bfd_openr(prg_fname, NULL);
+	if (abfd == NULL) {
+		wpa_printf(MSG_INFO, "bfd_openr failed");
+		return NULL;
+	}
+
+	if (bfd_check_format(abfd, bfd_archive)) {
+		wpa_printf(MSG_INFO, "bfd_check_format failed");
+		bfd_close(abfd);
+		return NULL;
+	}
+
+	if (!bfd_check_format_matches(abfd, bfd_object, &matching)) {
+		wpa_printf(MSG_INFO, "bfd_check_format_matches failed");
+		free(matching);
+		bfd_close(abfd);
+		return NULL;
+	}
+
+	return abfd;
+}
+
+
+static void read_syms(bfd *abfd)
+{
+	long storage, symcount;
+	bfd_boolean dynamic = FALSE;
+
+	if (syms)
+		return;
+
+	if (!(bfd_get_file_flags(abfd) & HAS_SYMS)) {
+		wpa_printf(MSG_INFO, "No symbols");
+		return;
+	}
+
+	storage = bfd_get_symtab_upper_bound(abfd);
+	if (storage == 0) {
+		storage = bfd_get_dynamic_symtab_upper_bound(abfd);
+		dynamic = TRUE;
+	}
+	if (storage < 0) {
+		wpa_printf(MSG_INFO, "Unknown symtab upper bound");
+		return;
+	}
+
+	syms = malloc(storage);
+	if (syms == NULL) {
+		wpa_printf(MSG_INFO, "Failed to allocate memory for symtab "
+			   "(%ld bytes)", storage);
+		return;
+	}
+	if (dynamic)
+		symcount = bfd_canonicalize_dynamic_symtab(abfd, syms);
+	else
+		symcount = bfd_canonicalize_symtab(abfd, syms);
+	if (symcount < 0) {
+		wpa_printf(MSG_INFO, "Failed to canonicalize %ssymtab",
+			   dynamic ? "dynamic " : "");
+		free(syms);
+		syms = NULL;
+		return;
+	}
+}
+
+
+struct bfd_data {
+	bfd_vma pc;
+	bfd_boolean found;
+	const char *filename;
+	const char *function;
+	unsigned int line;
+};
+
+
+static void find_addr_sect(bfd *abfd, asection *section, void *obj)
+{
+	struct bfd_data *data = obj;
+	bfd_vma vma;
+	bfd_size_type size;
+
+	if (data->found)
+		return;
+
+	if (!(bfd_get_section_vma(abfd, section)))
+		return;
+
+	vma = bfd_get_section_vma(abfd, section);
+	if (data->pc < vma)
+		return;
+
+	size = bfd_get_section_size(section);
+	if (data->pc >= vma + size)
+		return;
+
+	data->found = bfd_find_nearest_line(abfd, section, syms,
+					    data->pc - vma,
+					    &data->filename,
+					    &data->function,
+					    &data->line);
+}
+
+
+static void wpa_trace_bfd_addr(void *pc)
+{
+	bfd *abfd = cached_abfd;
+	struct bfd_data data;
+	const char *name;
+	char *aname = NULL;
+	const char *filename;
+
+	if (abfd == NULL)
+		return;
+
+	data.pc = (bfd_vma) pc;
+	data.found = FALSE;
+	bfd_map_over_sections(abfd, find_addr_sect, &data);
+
+	if (!data.found)
+		return;
+
+	do {
+		if (data.function)
+			aname = bfd_demangle(abfd, data.function,
+					     DMGL_ANSI | DMGL_PARAMS);
+		name = aname ? aname : data.function;
+		filename = data.filename;
+		if (filename) {
+			char *end = os_strrchr(filename, '/');
+			int i = 0;
+			while (*filename && *filename == prg_fname[i] &&
+			       filename <= end) {
+				filename++;
+				i++;
+			}
+		}
+		wpa_printf(MSG_INFO, "     %s() %s:%u",
+			   name, filename, data.line);
+		free(aname);
+
+		data.found = bfd_find_inliner_info(abfd, &data.filename,
+						   &data.function, &data.line);
+	} while (data.found);
+}
+
+
+static const char * wpa_trace_bfd_addr2func(void *pc)
+{
+	bfd *abfd = cached_abfd;
+	struct bfd_data data;
+
+	if (abfd == NULL)
+		return NULL;
+
+	data.pc = (bfd_vma) pc;
+	data.found = FALSE;
+	bfd_map_over_sections(abfd, find_addr_sect, &data);
+
+	if (!data.found)
+		return NULL;
+
+	return data.function;
+}
+
+
+static void wpa_trace_bfd_init(void)
+{
+	if (!prg_fname) {
+		get_prg_fname();
+		if (!prg_fname)
+			return;
+	}
+
+	if (!cached_abfd) {
+		cached_abfd = open_bfd(prg_fname);
+		if (!cached_abfd) {
+			wpa_printf(MSG_INFO, "Failed to open bfd");
+			return;
+		}
+	}
+
+	read_syms(cached_abfd);
+	if (!syms) {
+		wpa_printf(MSG_INFO, "Failed to read symbols");
+		return;
+	}
+}
+
+
+void wpa_trace_dump_funcname(const char *title, void *pc)
+{
+	wpa_printf(MSG_INFO, "WPA_TRACE: %s: %p", title, pc);
+	wpa_trace_bfd_init();
+	wpa_trace_bfd_addr(pc);
+}
+
+#else /* WPA_TRACE_BFD */
+
+#define wpa_trace_bfd_init() do { } while (0)
+#define wpa_trace_bfd_addr(pc) do { } while (0)
+#define wpa_trace_bfd_addr2func(pc) NULL
+
+#endif /* WPA_TRACE_BFD */
+
+void wpa_trace_dump_func(const char *title, void **btrace, int btrace_num)
+{
+	char **sym;
+	int i;
+	enum { TRACE_HEAD, TRACE_RELEVANT, TRACE_TAIL } state;
+
+	wpa_trace_bfd_init();
+	wpa_printf(MSG_INFO, "WPA_TRACE: %s - START", title);
+	sym = backtrace_symbols(btrace, btrace_num);
+	state = TRACE_HEAD;
+	for (i = 0; i < btrace_num; i++) {
+		const char *func = wpa_trace_bfd_addr2func(btrace[i]);
+		if (state == TRACE_HEAD && func &&
+		    (os_strcmp(func, "wpa_trace_add_ref_func") == 0 ||
+		     os_strcmp(func, "wpa_trace_check_ref") == 0 ||
+		     os_strcmp(func, "wpa_trace_show") == 0))
+			continue;
+		if (state == TRACE_TAIL && sym && sym[i] &&
+		    os_strstr(sym[i], "__libc_start_main"))
+			break;
+		if (state == TRACE_HEAD)
+			state = TRACE_RELEVANT;
+		if (sym)
+			wpa_printf(MSG_INFO, "[%d]: %s", i, sym[i]);
+		else
+			wpa_printf(MSG_INFO, "[%d]: ?? [%p]", i, btrace[i]);
+		wpa_trace_bfd_addr(btrace[i]);
+		if (state == TRACE_RELEVANT && func &&
+		    os_strcmp(func, "main") == 0)
+			state = TRACE_TAIL;
+	}
+	free(sym);
+	wpa_printf(MSG_INFO, "WPA_TRACE: %s - END", title);
+}
+
+
+void wpa_trace_show(const char *title)
+{
+	struct info {
+		WPA_TRACE_INFO
+	} info;
+	wpa_trace_record(&info);
+	wpa_trace_dump(title, &info);
+}
+
+
+void wpa_trace_add_ref_func(struct wpa_trace_ref *ref, const void *addr)
+{
+	if (addr == NULL)
+		return;
+	ref->addr = addr;
+	wpa_trace_record(ref);
+	dl_list_add(&active_references, &ref->list);
+}
+
+
+void wpa_trace_check_ref(const void *addr)
+{
+	struct wpa_trace_ref *ref;
+	dl_list_for_each(ref, &active_references, struct wpa_trace_ref, list) {
+		if (addr != ref->addr)
+			continue;
+		wpa_trace_show("Freeing referenced memory");
+		wpa_trace_dump("Reference registration", ref);
+		abort();
+	}
+}
+
+#endif /* WPA_TRACE */
diff --git a/src/utils/trace.h b/src/utils/trace.h
new file mode 100644
index 0000000..22d3de0
--- /dev/null
+++ b/src/utils/trace.h
@@ -0,0 +1,74 @@
+/*
+ * Backtrace debugging
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef TRACE_H
+#define TRACE_H
+
+#define WPA_TRACE_LEN 16
+
+#ifdef WPA_TRACE
+#include <execinfo.h>
+
+#include "list.h"
+
+#define WPA_TRACE_INFO void *btrace[WPA_TRACE_LEN]; int btrace_num;
+
+struct wpa_trace_ref {
+	struct dl_list list;
+	const void *addr;
+	WPA_TRACE_INFO
+};
+#define WPA_TRACE_REF(name) struct wpa_trace_ref wpa_trace_ref_##name
+
+#define wpa_trace_dump(title, ptr) \
+	wpa_trace_dump_func((title), (ptr)->btrace, (ptr)->btrace_num)
+void wpa_trace_dump_func(const char *title, void **btrace, int btrace_num);
+#define wpa_trace_record(ptr) \
+	(ptr)->btrace_num = backtrace((ptr)->btrace, WPA_TRACE_LEN)
+void wpa_trace_show(const char *title);
+#define wpa_trace_add_ref(ptr, name, addr) \
+	wpa_trace_add_ref_func(&(ptr)->wpa_trace_ref_##name, (addr))
+void wpa_trace_add_ref_func(struct wpa_trace_ref *ref, const void *addr);
+#define wpa_trace_remove_ref(ptr, name, addr)	\
+	do { \
+		if ((addr)) \
+			dl_list_del(&(ptr)->wpa_trace_ref_##name.list); \
+	} while (0)
+void wpa_trace_check_ref(const void *addr);
+
+#else /* WPA_TRACE */
+
+#define WPA_TRACE_INFO
+#define WPA_TRACE_REF(n)
+#define wpa_trace_dump(title, ptr) do { } while (0)
+#define wpa_trace_record(ptr) do { } while (0)
+#define wpa_trace_show(title) do { } while (0)
+#define wpa_trace_add_ref(ptr, name, addr) do { } while (0)
+#define wpa_trace_remove_ref(ptr, name, addr) do { } while (0)
+#define wpa_trace_check_ref(addr) do { } while (0)
+
+#endif /* WPA_TRACE */
+
+
+#ifdef WPA_TRACE_BFD
+
+void wpa_trace_dump_funcname(const char *title, void *pc);
+
+#else /* WPA_TRACE_BFD */
+
+#define wpa_trace_dump_funcname(title, pc) do { } while (0)
+
+#endif /* WPA_TRACE_BFD */
+
+#endif /* TRACE_H */
diff --git a/src/utils/uuid.c b/src/utils/uuid.c
new file mode 100644
index 0000000..d8cc267
--- /dev/null
+++ b/src/utils/uuid.c
@@ -0,0 +1,77 @@
+/*
+ * Universally Unique IDentifier (UUID)
+ * Copyright (c) 2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "uuid.h"
+
+int uuid_str2bin(const char *str, u8 *bin)
+{
+	const char *pos;
+	u8 *opos;
+
+	pos = str;
+	opos = bin;
+
+	if (hexstr2bin(pos, opos, 4))
+		return -1;
+	pos += 8;
+	opos += 4;
+
+	if (*pos++ != '-' || hexstr2bin(pos, opos, 2))
+		return -1;
+	pos += 4;
+	opos += 2;
+
+	if (*pos++ != '-' || hexstr2bin(pos, opos, 2))
+		return -1;
+	pos += 4;
+	opos += 2;
+
+	if (*pos++ != '-' || hexstr2bin(pos, opos, 2))
+		return -1;
+	pos += 4;
+	opos += 2;
+
+	if (*pos++ != '-' || hexstr2bin(pos, opos, 6))
+		return -1;
+
+	return 0;
+}
+
+
+int uuid_bin2str(const u8 *bin, char *str, size_t max_len)
+{
+	int len;
+	len = os_snprintf(str, max_len, "%02x%02x%02x%02x-%02x%02x-%02x%02x-"
+			  "%02x%02x-%02x%02x%02x%02x%02x%02x",
+			  bin[0], bin[1], bin[2], bin[3],
+			  bin[4], bin[5], bin[6], bin[7],
+			  bin[8], bin[9], bin[10], bin[11],
+			  bin[12], bin[13], bin[14], bin[15]);
+	if (len < 0 || (size_t) len >= max_len)
+		return -1;
+	return 0;
+}
+
+
+int is_nil_uuid(const u8 *uuid)
+{
+	int i;
+	for (i = 0; i < UUID_LEN; i++)
+		if (uuid[i])
+			return 0;
+	return 1;
+}
diff --git a/src/utils/uuid.h b/src/utils/uuid.h
new file mode 100644
index 0000000..0759165
--- /dev/null
+++ b/src/utils/uuid.h
@@ -0,0 +1,24 @@
+/*
+ * Universally Unique IDentifier (UUID)
+ * Copyright (c) 2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef UUID_H
+#define UUID_H
+
+#define UUID_LEN 16
+
+int uuid_str2bin(const char *str, u8 *bin);
+int uuid_bin2str(const u8 *bin, char *str, size_t max_len);
+int is_nil_uuid(const u8 *uuid);
+
+#endif /* UUID_H */
diff --git a/src/utils/wpa_debug.c b/src/utils/wpa_debug.c
new file mode 100644
index 0000000..b8c5e2f
--- /dev/null
+++ b/src/utils/wpa_debug.c
@@ -0,0 +1,484 @@
+/*
+ * wpa_supplicant/hostapd / Debug prints
+ * Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+
+#ifdef CONFIG_DEBUG_SYSLOG
+#include <syslog.h>
+
+static int wpa_debug_syslog = 0;
+#endif /* CONFIG_DEBUG_SYSLOG */
+
+
+int wpa_debug_level = MSG_INFO;
+int wpa_debug_show_keys = 0;
+int wpa_debug_timestamp = 0;
+
+
+#ifdef CONFIG_ANDROID_LOG
+
+#include <android/log.h>
+
+void android_printf(int level, char *format, ...)
+{
+	if (level >= wpa_debug_level) {
+		va_list ap;
+		if (level == MSG_ERROR)
+			level = ANDROID_LOG_ERROR;
+		else if (level == MSG_WARNING)
+			level = ANDROID_LOG_WARN;
+		else if (level == MSG_INFO)
+			level = ANDROID_LOG_INFO;
+		else
+			level = ANDROID_LOG_DEBUG;
+		va_start(ap, format);
+		__android_log_vprint(level, "wpa_supplicant", format, ap);
+		va_end(ap);
+	}
+}
+
+#else /* CONFIG_ANDROID_LOG */
+
+#ifndef CONFIG_NO_STDOUT_DEBUG
+
+#ifdef CONFIG_DEBUG_FILE
+static FILE *out_file = NULL;
+#endif /* CONFIG_DEBUG_FILE */
+
+
+void wpa_debug_print_timestamp(void)
+{
+	struct os_time tv;
+
+	if (!wpa_debug_timestamp)
+		return;
+
+	os_get_time(&tv);
+#ifdef CONFIG_DEBUG_FILE
+	if (out_file) {
+		fprintf(out_file, "%ld.%06u: ", (long) tv.sec,
+			(unsigned int) tv.usec);
+	} else
+#endif /* CONFIG_DEBUG_FILE */
+	printf("%ld.%06u: ", (long) tv.sec, (unsigned int) tv.usec);
+}
+
+
+#ifdef CONFIG_DEBUG_SYSLOG
+#ifndef LOG_HOSTAPD
+#define LOG_HOSTAPD LOG_DAEMON
+#endif /* LOG_HOSTAPD */
+
+void wpa_debug_open_syslog(void)
+{
+	openlog("wpa_supplicant", LOG_PID | LOG_NDELAY, LOG_HOSTAPD);
+	wpa_debug_syslog++;
+}
+
+
+void wpa_debug_close_syslog(void)
+{
+	if (wpa_debug_syslog)
+		closelog();
+}
+
+
+static int syslog_priority(int level)
+{
+	switch (level) {
+	case MSG_MSGDUMP:
+	case MSG_DEBUG:
+		return LOG_DEBUG;
+	case MSG_INFO:
+		return LOG_NOTICE;
+	case MSG_WARNING:
+		return LOG_WARNING;
+	case MSG_ERROR:
+		return LOG_ERR;
+	}
+	return LOG_INFO;
+}
+#endif /* CONFIG_DEBUG_SYSLOG */
+
+
+/**
+ * wpa_printf - conditional printf
+ * @level: priority level (MSG_*) of the message
+ * @fmt: printf format string, followed by optional arguments
+ *
+ * This function is used to print conditional debugging and error messages. The
+ * output may be directed to stdout, stderr, and/or syslog based on
+ * configuration.
+ *
+ * Note: New line '\n' is added to the end of the text when printing to stdout.
+ */
+void wpa_printf(int level, const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	if (level >= wpa_debug_level) {
+#ifdef CONFIG_DEBUG_SYSLOG
+		if (wpa_debug_syslog) {
+			vsyslog(syslog_priority(level), fmt, ap);
+		} else {
+#endif /* CONFIG_DEBUG_SYSLOG */
+		wpa_debug_print_timestamp();
+#ifdef CONFIG_DEBUG_FILE
+		if (out_file) {
+			vfprintf(out_file, fmt, ap);
+			fprintf(out_file, "\n");
+		} else {
+#endif /* CONFIG_DEBUG_FILE */
+		vprintf(fmt, ap);
+		printf("\n");
+#ifdef CONFIG_DEBUG_FILE
+		}
+#endif /* CONFIG_DEBUG_FILE */
+#ifdef CONFIG_DEBUG_SYSLOG
+		}
+#endif /* CONFIG_DEBUG_SYSLOG */
+	}
+	va_end(ap);
+}
+
+
+static void _wpa_hexdump(int level, const char *title, const u8 *buf,
+			 size_t len, int show)
+{
+	size_t i;
+	if (level < wpa_debug_level)
+		return;
+	wpa_debug_print_timestamp();
+#ifdef CONFIG_DEBUG_FILE
+	if (out_file) {
+		fprintf(out_file, "%s - hexdump(len=%lu):",
+			title, (unsigned long) len);
+		if (buf == NULL) {
+			fprintf(out_file, " [NULL]");
+		} else if (show) {
+			for (i = 0; i < len; i++)
+				fprintf(out_file, " %02x", buf[i]);
+		} else {
+			fprintf(out_file, " [REMOVED]");
+		}
+		fprintf(out_file, "\n");
+	} else {
+#endif /* CONFIG_DEBUG_FILE */
+	printf("%s - hexdump(len=%lu):", title, (unsigned long) len);
+	if (buf == NULL) {
+		printf(" [NULL]");
+	} else if (show) {
+		for (i = 0; i < len; i++)
+			printf(" %02x", buf[i]);
+	} else {
+		printf(" [REMOVED]");
+	}
+	printf("\n");
+#ifdef CONFIG_DEBUG_FILE
+	}
+#endif /* CONFIG_DEBUG_FILE */
+}
+
+void wpa_hexdump(int level, const char *title, const u8 *buf, size_t len)
+{
+	_wpa_hexdump(level, title, buf, len, 1);
+}
+
+
+void wpa_hexdump_key(int level, const char *title, const u8 *buf, size_t len)
+{
+	_wpa_hexdump(level, title, buf, len, wpa_debug_show_keys);
+}
+
+
+static void _wpa_hexdump_ascii(int level, const char *title, const u8 *buf,
+			       size_t len, int show)
+{
+	size_t i, llen;
+	const u8 *pos = buf;
+	const size_t line_len = 16;
+
+	if (level < wpa_debug_level)
+		return;
+	wpa_debug_print_timestamp();
+#ifdef CONFIG_DEBUG_FILE
+	if (out_file) {
+		if (!show) {
+			fprintf(out_file,
+				"%s - hexdump_ascii(len=%lu): [REMOVED]\n",
+				title, (unsigned long) len);
+			return;
+		}
+		if (buf == NULL) {
+			fprintf(out_file,
+				"%s - hexdump_ascii(len=%lu): [NULL]\n",
+				title, (unsigned long) len);
+			return;
+		}
+		fprintf(out_file, "%s - hexdump_ascii(len=%lu):\n",
+			title, (unsigned long) len);
+		while (len) {
+			llen = len > line_len ? line_len : len;
+			fprintf(out_file, "    ");
+			for (i = 0; i < llen; i++)
+				fprintf(out_file, " %02x", pos[i]);
+			for (i = llen; i < line_len; i++)
+				fprintf(out_file, "   ");
+			fprintf(out_file, "   ");
+			for (i = 0; i < llen; i++) {
+				if (isprint(pos[i]))
+					fprintf(out_file, "%c", pos[i]);
+				else
+					fprintf(out_file, "_");
+			}
+			for (i = llen; i < line_len; i++)
+				fprintf(out_file, " ");
+			fprintf(out_file, "\n");
+			pos += llen;
+			len -= llen;
+		}
+	} else {
+#endif /* CONFIG_DEBUG_FILE */
+	if (!show) {
+		printf("%s - hexdump_ascii(len=%lu): [REMOVED]\n",
+		       title, (unsigned long) len);
+		return;
+	}
+	if (buf == NULL) {
+		printf("%s - hexdump_ascii(len=%lu): [NULL]\n",
+		       title, (unsigned long) len);
+		return;
+	}
+	printf("%s - hexdump_ascii(len=%lu):\n", title, (unsigned long) len);
+	while (len) {
+		llen = len > line_len ? line_len : len;
+		printf("    ");
+		for (i = 0; i < llen; i++)
+			printf(" %02x", pos[i]);
+		for (i = llen; i < line_len; i++)
+			printf("   ");
+		printf("   ");
+		for (i = 0; i < llen; i++) {
+			if (isprint(pos[i]))
+				printf("%c", pos[i]);
+			else
+				printf("_");
+		}
+		for (i = llen; i < line_len; i++)
+			printf(" ");
+		printf("\n");
+		pos += llen;
+		len -= llen;
+	}
+#ifdef CONFIG_DEBUG_FILE
+	}
+#endif /* CONFIG_DEBUG_FILE */
+}
+
+
+void wpa_hexdump_ascii(int level, const char *title, const u8 *buf, size_t len)
+{
+	_wpa_hexdump_ascii(level, title, buf, len, 1);
+}
+
+
+void wpa_hexdump_ascii_key(int level, const char *title, const u8 *buf,
+			   size_t len)
+{
+	_wpa_hexdump_ascii(level, title, buf, len, wpa_debug_show_keys);
+}
+
+
+#ifdef CONFIG_DEBUG_FILE
+static char *last_path = NULL;
+#endif /* CONFIG_DEBUG_FILE */
+
+int wpa_debug_reopen_file(void)
+{
+#ifdef CONFIG_DEBUG_FILE
+	int rv;
+	if (last_path) {
+		char *tmp = os_strdup(last_path);
+		wpa_debug_close_file();
+		rv = wpa_debug_open_file(tmp);
+		os_free(tmp);
+	} else {
+		wpa_printf(MSG_ERROR, "Last-path was not set, cannot "
+			   "re-open log file.");
+		rv = -1;
+	}
+	return rv;
+#else /* CONFIG_DEBUG_FILE */
+	return 0;
+#endif /* CONFIG_DEBUG_FILE */
+}
+
+
+int wpa_debug_open_file(const char *path)
+{
+#ifdef CONFIG_DEBUG_FILE
+	if (!path)
+		return 0;
+
+	if (last_path == NULL || os_strcmp(last_path, path) != 0) {
+		/* Save our path to enable re-open */
+		os_free(last_path);
+		last_path = os_strdup(path);
+	}
+
+	out_file = fopen(path, "a");
+	if (out_file == NULL) {
+		wpa_printf(MSG_ERROR, "wpa_debug_open_file: Failed to open "
+			   "output file, using standard output");
+		return -1;
+	}
+#ifndef _WIN32
+	setvbuf(out_file, NULL, _IOLBF, 0);
+#endif /* _WIN32 */
+#endif /* CONFIG_DEBUG_FILE */
+	return 0;
+}
+
+
+void wpa_debug_close_file(void)
+{
+#ifdef CONFIG_DEBUG_FILE
+	if (!out_file)
+		return;
+	fclose(out_file);
+	out_file = NULL;
+	os_free(last_path);
+	last_path = NULL;
+#endif /* CONFIG_DEBUG_FILE */
+}
+
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+
+#endif /* CONFIG_ANDROID_LOG */
+
+#ifndef CONFIG_NO_WPA_MSG
+static wpa_msg_cb_func wpa_msg_cb = NULL;
+
+void wpa_msg_register_cb(wpa_msg_cb_func func)
+{
+	wpa_msg_cb = func;
+}
+
+
+static wpa_msg_get_ifname_func wpa_msg_ifname_cb = NULL;
+
+void wpa_msg_register_ifname_cb(wpa_msg_get_ifname_func func)
+{
+	wpa_msg_ifname_cb = func;
+}
+
+
+void wpa_msg(void *ctx, int level, const char *fmt, ...)
+{
+	va_list ap;
+	char *buf;
+	const int buflen = 2048;
+	int len;
+	char prefix[130];
+
+	buf = os_malloc(buflen);
+	if (buf == NULL) {
+		wpa_printf(MSG_ERROR, "wpa_msg: Failed to allocate message "
+			   "buffer");
+		return;
+	}
+	va_start(ap, fmt);
+	prefix[0] = '\0';
+	if (wpa_msg_ifname_cb) {
+		const char *ifname = wpa_msg_ifname_cb(ctx);
+		if (ifname) {
+			int res = os_snprintf(prefix, sizeof(prefix), "%s: ",
+					      ifname);
+			if (res < 0 || res >= (int) sizeof(prefix))
+				prefix[0] = '\0';
+		}
+	}
+	len = vsnprintf(buf, buflen, fmt, ap);
+	va_end(ap);
+	wpa_printf(level, "%s%s", prefix, buf);
+	if (wpa_msg_cb)
+		wpa_msg_cb(ctx, level, buf, len);
+	os_free(buf);
+}
+
+
+void wpa_msg_ctrl(void *ctx, int level, const char *fmt, ...)
+{
+	va_list ap;
+	char *buf;
+	const int buflen = 2048;
+	int len;
+
+	if (!wpa_msg_cb)
+		return;
+
+	buf = os_malloc(buflen);
+	if (buf == NULL) {
+		wpa_printf(MSG_ERROR, "wpa_msg_ctrl: Failed to allocate "
+			   "message buffer");
+		return;
+	}
+	va_start(ap, fmt);
+	len = vsnprintf(buf, buflen, fmt, ap);
+	va_end(ap);
+	wpa_msg_cb(ctx, level, buf, len);
+	os_free(buf);
+}
+#endif /* CONFIG_NO_WPA_MSG */
+
+
+#ifndef CONFIG_NO_HOSTAPD_LOGGER
+static hostapd_logger_cb_func hostapd_logger_cb = NULL;
+
+void hostapd_logger_register_cb(hostapd_logger_cb_func func)
+{
+	hostapd_logger_cb = func;
+}
+
+
+void hostapd_logger(void *ctx, const u8 *addr, unsigned int module, int level,
+		    const char *fmt, ...)
+{
+	va_list ap;
+	char *buf;
+	const int buflen = 2048;
+	int len;
+
+	buf = os_malloc(buflen);
+	if (buf == NULL) {
+		wpa_printf(MSG_ERROR, "hostapd_logger: Failed to allocate "
+			   "message buffer");
+		return;
+	}
+	va_start(ap, fmt);
+	len = vsnprintf(buf, buflen, fmt, ap);
+	va_end(ap);
+	if (hostapd_logger_cb)
+		hostapd_logger_cb(ctx, addr, module, level, buf, len);
+	else if (addr)
+		wpa_printf(MSG_DEBUG, "hostapd_logger: STA " MACSTR " - %s",
+			   MAC2STR(addr), buf);
+	else
+		wpa_printf(MSG_DEBUG, "hostapd_logger: %s", buf);
+	os_free(buf);
+}
+#endif /* CONFIG_NO_HOSTAPD_LOGGER */
diff --git a/src/utils/wpa_debug.h b/src/utils/wpa_debug.h
new file mode 100644
index 0000000..ae36afe
--- /dev/null
+++ b/src/utils/wpa_debug.h
@@ -0,0 +1,307 @@
+/*
+ * wpa_supplicant/hostapd / Debug prints
+ * Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef WPA_DEBUG_H
+#define WPA_DEBUG_H
+
+#include "wpabuf.h"
+
+/* Debugging function - conditional printf and hex dump. Driver wrappers can
+ * use these for debugging purposes. */
+
+enum {
+	MSG_EXCESSIVE, MSG_MSGDUMP, MSG_DEBUG, MSG_INFO, MSG_WARNING, MSG_ERROR
+};
+
+#ifdef CONFIG_ANDROID_LOG
+
+#define wpa_debug_print_timestamp() do {} while (0)
+#define wpa_hexdump(...)            do {} while (0)
+#define wpa_hexdump_key(...)        do {} while (0)
+#define wpa_hexdump_buf(l,t,b)      do {} while (0)
+#define wpa_hexdump_buf_key(l,t,b)  do {} while (0)
+#define wpa_hexdump_ascii(...)      do {} while (0)
+#define wpa_hexdump_ascii_key(...)  do {} while (0)
+#define wpa_debug_open_file(...)    do {} while (0)
+#define wpa_debug_close_file()      do {} while (0)
+#define wpa_dbg(...)                do {} while (0)
+
+static inline int wpa_debug_reopen_file(void)
+{
+	return 0;
+}
+
+
+void android_printf(int level, char *format, ...)
+PRINTF_FORMAT(2, 3);
+
+#define wpa_printf android_printf
+
+#else /* CONFIG_ANDROID_LOG */
+
+#ifdef CONFIG_NO_STDOUT_DEBUG
+
+#define wpa_debug_print_timestamp() do { } while (0)
+#define wpa_printf(args...) do { } while (0)
+#define wpa_hexdump(l,t,b,le) do { } while (0)
+#define wpa_hexdump_buf(l,t,b) do { } while (0)
+#define wpa_hexdump_key(l,t,b,le) do { } while (0)
+#define wpa_hexdump_buf_key(l,t,b) do { } while (0)
+#define wpa_hexdump_ascii(l,t,b,le) do { } while (0)
+#define wpa_hexdump_ascii_key(l,t,b,le) do { } while (0)
+#define wpa_debug_open_file(p) do { } while (0)
+#define wpa_debug_close_file() do { } while (0)
+#define wpa_dbg(args...) do { } while (0)
+
+static inline int wpa_debug_reopen_file(void)
+{
+	return 0;
+}
+
+#else /* CONFIG_NO_STDOUT_DEBUG */
+
+int wpa_debug_open_file(const char *path);
+int wpa_debug_reopen_file(void);
+void wpa_debug_close_file(void);
+
+/**
+ * wpa_debug_printf_timestamp - Print timestamp for debug output
+ *
+ * This function prints a timestamp in seconds_from_1970.microsoconds
+ * format if debug output has been configured to include timestamps in debug
+ * messages.
+ */
+void wpa_debug_print_timestamp(void);
+
+/**
+ * wpa_printf - conditional printf
+ * @level: priority level (MSG_*) of the message
+ * @fmt: printf format string, followed by optional arguments
+ *
+ * This function is used to print conditional debugging and error messages. The
+ * output may be directed to stdout, stderr, and/or syslog based on
+ * configuration.
+ *
+ * Note: New line '\n' is added to the end of the text when printing to stdout.
+ */
+void wpa_printf(int level, const char *fmt, ...)
+PRINTF_FORMAT(2, 3);
+
+/**
+ * wpa_hexdump - conditional hex dump
+ * @level: priority level (MSG_*) of the message
+ * @title: title of for the message
+ * @buf: data buffer to be dumped
+ * @len: length of the buf
+ *
+ * This function is used to print conditional debugging and error messages. The
+ * output may be directed to stdout, stderr, and/or syslog based on
+ * configuration. The contents of buf is printed out has hex dump.
+ */
+void wpa_hexdump(int level, const char *title, const u8 *buf, size_t len);
+
+static inline void wpa_hexdump_buf(int level, const char *title,
+				   const struct wpabuf *buf)
+{
+	wpa_hexdump(level, title, buf ? wpabuf_head(buf) : NULL,
+		    buf ? wpabuf_len(buf) : 0);
+}
+
+/**
+ * wpa_hexdump_key - conditional hex dump, hide keys
+ * @level: priority level (MSG_*) of the message
+ * @title: title of for the message
+ * @buf: data buffer to be dumped
+ * @len: length of the buf
+ *
+ * This function is used to print conditional debugging and error messages. The
+ * output may be directed to stdout, stderr, and/or syslog based on
+ * configuration. The contents of buf is printed out has hex dump. This works
+ * like wpa_hexdump(), but by default, does not include secret keys (passwords,
+ * etc.) in debug output.
+ */
+void wpa_hexdump_key(int level, const char *title, const u8 *buf, size_t len);
+
+static inline void wpa_hexdump_buf_key(int level, const char *title,
+				       const struct wpabuf *buf)
+{
+	wpa_hexdump_key(level, title, buf ? wpabuf_head(buf) : 0,
+			buf ? wpabuf_len(buf) : 0);
+}
+
+/**
+ * wpa_hexdump_ascii - conditional hex dump
+ * @level: priority level (MSG_*) of the message
+ * @title: title of for the message
+ * @buf: data buffer to be dumped
+ * @len: length of the buf
+ *
+ * This function is used to print conditional debugging and error messages. The
+ * output may be directed to stdout, stderr, and/or syslog based on
+ * configuration. The contents of buf is printed out has hex dump with both
+ * the hex numbers and ASCII characters (for printable range) are shown. 16
+ * bytes per line will be shown.
+ */
+void wpa_hexdump_ascii(int level, const char *title, const u8 *buf,
+		       size_t len);
+
+/**
+ * wpa_hexdump_ascii_key - conditional hex dump, hide keys
+ * @level: priority level (MSG_*) of the message
+ * @title: title of for the message
+ * @buf: data buffer to be dumped
+ * @len: length of the buf
+ *
+ * This function is used to print conditional debugging and error messages. The
+ * output may be directed to stdout, stderr, and/or syslog based on
+ * configuration. The contents of buf is printed out has hex dump with both
+ * the hex numbers and ASCII characters (for printable range) are shown. 16
+ * bytes per line will be shown. This works like wpa_hexdump_ascii(), but by
+ * default, does not include secret keys (passwords, etc.) in debug output.
+ */
+void wpa_hexdump_ascii_key(int level, const char *title, const u8 *buf,
+			   size_t len);
+
+/*
+ * wpa_dbg() behaves like wpa_msg(), but it can be removed from build to reduce
+ * binary size. As such, it should be used with debugging messages that are not
+ * needed in the control interface while wpa_msg() has to be used for anything
+ * that needs to shown to control interface monitors.
+ */
+#define wpa_dbg(args...) wpa_msg(args)
+
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+
+#endif /* CONFIG_ANDROID_LOG */
+
+
+#ifdef CONFIG_NO_WPA_MSG
+#define wpa_msg(args...) do { } while (0)
+#define wpa_msg_ctrl(args...) do { } while (0)
+#define wpa_msg_register_cb(f) do { } while (0)
+#define wpa_msg_register_ifname_cb(f) do { } while (0)
+#else /* CONFIG_NO_WPA_MSG */
+/**
+ * wpa_msg - Conditional printf for default target and ctrl_iface monitors
+ * @ctx: Pointer to context data; this is the ctx variable registered
+ *	with struct wpa_driver_ops::init()
+ * @level: priority level (MSG_*) of the message
+ * @fmt: printf format string, followed by optional arguments
+ *
+ * This function is used to print conditional debugging and error messages. The
+ * output may be directed to stdout, stderr, and/or syslog based on
+ * configuration. This function is like wpa_printf(), but it also sends the
+ * same message to all attached ctrl_iface monitors.
+ *
+ * Note: New line '\n' is added to the end of the text when printing to stdout.
+ */
+void wpa_msg(void *ctx, int level, const char *fmt, ...) PRINTF_FORMAT(3, 4);
+
+/**
+ * wpa_msg_ctrl - Conditional printf for ctrl_iface monitors
+ * @ctx: Pointer to context data; this is the ctx variable registered
+ *	with struct wpa_driver_ops::init()
+ * @level: priority level (MSG_*) of the message
+ * @fmt: printf format string, followed by optional arguments
+ *
+ * This function is used to print conditional debugging and error messages.
+ * This function is like wpa_msg(), but it sends the output only to the
+ * attached ctrl_iface monitors. In other words, it can be used for frequent
+ * events that do not need to be sent to syslog.
+ */
+void wpa_msg_ctrl(void *ctx, int level, const char *fmt, ...)
+PRINTF_FORMAT(3, 4);
+
+typedef void (*wpa_msg_cb_func)(void *ctx, int level, const char *txt,
+				size_t len);
+
+/**
+ * wpa_msg_register_cb - Register callback function for wpa_msg() messages
+ * @func: Callback function (%NULL to unregister)
+ */
+void wpa_msg_register_cb(wpa_msg_cb_func func);
+
+typedef const char * (*wpa_msg_get_ifname_func)(void *ctx);
+void wpa_msg_register_ifname_cb(wpa_msg_get_ifname_func func);
+
+#endif /* CONFIG_NO_WPA_MSG */
+
+#ifdef CONFIG_NO_HOSTAPD_LOGGER
+#define hostapd_logger(args...) do { } while (0)
+#define hostapd_logger_register_cb(f) do { } while (0)
+#else /* CONFIG_NO_HOSTAPD_LOGGER */
+void hostapd_logger(void *ctx, const u8 *addr, unsigned int module, int level,
+		    const char *fmt, ...) PRINTF_FORMAT(5, 6);
+
+typedef void (*hostapd_logger_cb_func)(void *ctx, const u8 *addr,
+				       unsigned int module, int level,
+				       const char *txt, size_t len);
+
+/**
+ * hostapd_logger_register_cb - Register callback function for hostapd_logger()
+ * @func: Callback function (%NULL to unregister)
+ */
+void hostapd_logger_register_cb(hostapd_logger_cb_func func);
+#endif /* CONFIG_NO_HOSTAPD_LOGGER */
+
+#define HOSTAPD_MODULE_IEEE80211	0x00000001
+#define HOSTAPD_MODULE_IEEE8021X	0x00000002
+#define HOSTAPD_MODULE_RADIUS		0x00000004
+#define HOSTAPD_MODULE_WPA		0x00000008
+#define HOSTAPD_MODULE_DRIVER		0x00000010
+#define HOSTAPD_MODULE_IAPP		0x00000020
+#define HOSTAPD_MODULE_MLME		0x00000040
+
+enum hostapd_logger_level {
+	HOSTAPD_LEVEL_DEBUG_VERBOSE = 0,
+	HOSTAPD_LEVEL_DEBUG = 1,
+	HOSTAPD_LEVEL_INFO = 2,
+	HOSTAPD_LEVEL_NOTICE = 3,
+	HOSTAPD_LEVEL_WARNING = 4
+};
+
+
+#ifdef CONFIG_DEBUG_SYSLOG
+
+void wpa_debug_open_syslog(void);
+void wpa_debug_close_syslog(void);
+
+#else /* CONFIG_DEBUG_SYSLOG */
+
+static inline void wpa_debug_open_syslog(void)
+{
+}
+
+static inline void wpa_debug_close_syslog(void)
+{
+}
+
+#endif /* CONFIG_DEBUG_SYSLOG */
+
+
+#ifdef EAPOL_TEST
+#define WPA_ASSERT(a)						       \
+	do {							       \
+		if (!(a)) {					       \
+			printf("WPA_ASSERT FAILED '" #a "' "	       \
+			       "%s %s:%d\n",			       \
+			       __FUNCTION__, __FILE__, __LINE__);      \
+			exit(1);				       \
+		}						       \
+	} while (0)
+#else
+#define WPA_ASSERT(a) do { } while (0)
+#endif
+
+#endif /* WPA_DEBUG_H */
diff --git a/src/utils/wpabuf.c b/src/utils/wpabuf.c
new file mode 100644
index 0000000..eda779e
--- /dev/null
+++ b/src/utils/wpabuf.c
@@ -0,0 +1,304 @@
+/*
+ * Dynamic data buffer
+ * Copyright (c) 2007-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "trace.h"
+#include "wpabuf.h"
+
+#ifdef WPA_TRACE
+#define WPABUF_MAGIC 0x51a974e3
+
+struct wpabuf_trace {
+	unsigned int magic;
+};
+
+static struct wpabuf_trace * wpabuf_get_trace(const struct wpabuf *buf)
+{
+	return (struct wpabuf_trace *)
+		((const u8 *) buf - sizeof(struct wpabuf_trace));
+}
+#endif /* WPA_TRACE */
+
+
+static void wpabuf_overflow(const struct wpabuf *buf, size_t len)
+{
+#ifdef WPA_TRACE
+	struct wpabuf_trace *trace = wpabuf_get_trace(buf);
+	if (trace->magic != WPABUF_MAGIC) {
+		wpa_printf(MSG_ERROR, "wpabuf: invalid magic %x",
+			   trace->magic);
+	}
+#endif /* WPA_TRACE */
+	wpa_printf(MSG_ERROR, "wpabuf %p (size=%lu used=%lu) overflow len=%lu",
+		   buf, (unsigned long) buf->size, (unsigned long) buf->used,
+		   (unsigned long) len);
+	wpa_trace_show("wpabuf overflow");
+	abort();
+}
+
+
+int wpabuf_resize(struct wpabuf **_buf, size_t add_len)
+{
+	struct wpabuf *buf = *_buf;
+#ifdef WPA_TRACE
+	struct wpabuf_trace *trace;
+#endif /* WPA_TRACE */
+
+	if (buf == NULL) {
+		*_buf = wpabuf_alloc(add_len);
+		return *_buf == NULL ? -1 : 0;
+	}
+
+#ifdef WPA_TRACE
+	trace = wpabuf_get_trace(buf);
+	if (trace->magic != WPABUF_MAGIC) {
+		wpa_printf(MSG_ERROR, "wpabuf: invalid magic %x",
+			   trace->magic);
+		wpa_trace_show("wpabuf_resize invalid magic");
+		abort();
+	}
+#endif /* WPA_TRACE */
+
+	if (buf->used + add_len > buf->size) {
+		unsigned char *nbuf;
+		if (buf->ext_data) {
+			nbuf = os_realloc(buf->ext_data, buf->used + add_len);
+			if (nbuf == NULL)
+				return -1;
+			os_memset(nbuf + buf->used, 0, add_len);
+			buf->ext_data = nbuf;
+		} else {
+#ifdef WPA_TRACE
+			nbuf = os_realloc(trace, sizeof(struct wpabuf_trace) +
+					  sizeof(struct wpabuf) +
+					  buf->used + add_len);
+			if (nbuf == NULL)
+				return -1;
+			trace = (struct wpabuf_trace *) nbuf;
+			buf = (struct wpabuf *) (trace + 1);
+			os_memset(nbuf + sizeof(struct wpabuf_trace) +
+				  sizeof(struct wpabuf) + buf->used, 0,
+				  add_len);
+#else /* WPA_TRACE */
+			nbuf = os_realloc(buf, sizeof(struct wpabuf) +
+					  buf->used + add_len);
+			if (nbuf == NULL)
+				return -1;
+			buf = (struct wpabuf *) nbuf;
+			os_memset(nbuf + sizeof(struct wpabuf) + buf->used, 0,
+				  add_len);
+#endif /* WPA_TRACE */
+			*_buf = buf;
+		}
+		buf->size = buf->used + add_len;
+	}
+
+	return 0;
+}
+
+
+/**
+ * wpabuf_alloc - Allocate a wpabuf of the given size
+ * @len: Length for the allocated buffer
+ * Returns: Buffer to the allocated wpabuf or %NULL on failure
+ */
+struct wpabuf * wpabuf_alloc(size_t len)
+{
+#ifdef WPA_TRACE
+	struct wpabuf_trace *trace = os_zalloc(sizeof(struct wpabuf_trace) +
+					       sizeof(struct wpabuf) + len);
+	struct wpabuf *buf;
+	if (trace == NULL)
+		return NULL;
+	trace->magic = WPABUF_MAGIC;
+	buf = (struct wpabuf *) (trace + 1);
+#else /* WPA_TRACE */
+	struct wpabuf *buf = os_zalloc(sizeof(struct wpabuf) + len);
+	if (buf == NULL)
+		return NULL;
+#endif /* WPA_TRACE */
+
+	buf->size = len;
+	return buf;
+}
+
+
+struct wpabuf * wpabuf_alloc_ext_data(u8 *data, size_t len)
+{
+#ifdef WPA_TRACE
+	struct wpabuf_trace *trace = os_zalloc(sizeof(struct wpabuf_trace) +
+					       sizeof(struct wpabuf));
+	struct wpabuf *buf;
+	if (trace == NULL)
+		return NULL;
+	trace->magic = WPABUF_MAGIC;
+	buf = (struct wpabuf *) (trace + 1);
+#else /* WPA_TRACE */
+	struct wpabuf *buf = os_zalloc(sizeof(struct wpabuf));
+	if (buf == NULL)
+		return NULL;
+#endif /* WPA_TRACE */
+
+	buf->size = len;
+	buf->used = len;
+	buf->ext_data = data;
+
+	return buf;
+}
+
+
+struct wpabuf * wpabuf_alloc_copy(const void *data, size_t len)
+{
+	struct wpabuf *buf = wpabuf_alloc(len);
+	if (buf)
+		wpabuf_put_data(buf, data, len);
+	return buf;
+}
+
+
+struct wpabuf * wpabuf_dup(const struct wpabuf *src)
+{
+	struct wpabuf *buf = wpabuf_alloc(wpabuf_len(src));
+	if (buf)
+		wpabuf_put_data(buf, wpabuf_head(src), wpabuf_len(src));
+	return buf;
+}
+
+
+/**
+ * wpabuf_free - Free a wpabuf
+ * @buf: wpabuf buffer
+ */
+void wpabuf_free(struct wpabuf *buf)
+{
+#ifdef WPA_TRACE
+	struct wpabuf_trace *trace;
+	if (buf == NULL)
+		return;
+	trace = wpabuf_get_trace(buf);
+	if (trace->magic != WPABUF_MAGIC) {
+		wpa_printf(MSG_ERROR, "wpabuf_free: invalid magic %x",
+			   trace->magic);
+		wpa_trace_show("wpabuf_free magic mismatch");
+		abort();
+	}
+	os_free(buf->ext_data);
+	os_free(trace);
+#else /* WPA_TRACE */
+	if (buf == NULL)
+		return;
+	os_free(buf->ext_data);
+	os_free(buf);
+#endif /* WPA_TRACE */
+}
+
+
+void * wpabuf_put(struct wpabuf *buf, size_t len)
+{
+	void *tmp = wpabuf_mhead_u8(buf) + wpabuf_len(buf);
+	buf->used += len;
+	if (buf->used > buf->size) {
+		wpabuf_overflow(buf, len);
+	}
+	return tmp;
+}
+
+
+/**
+ * wpabuf_concat - Concatenate two buffers into a newly allocated one
+ * @a: First buffer
+ * @b: Second buffer
+ * Returns: wpabuf with concatenated a + b data or %NULL on failure
+ *
+ * Both buffers a and b will be freed regardless of the return value. Input
+ * buffers can be %NULL which is interpreted as an empty buffer.
+ */
+struct wpabuf * wpabuf_concat(struct wpabuf *a, struct wpabuf *b)
+{
+	struct wpabuf *n = NULL;
+	size_t len = 0;
+
+	if (b == NULL)
+		return a;
+
+	if (a)
+		len += wpabuf_len(a);
+	if (b)
+		len += wpabuf_len(b);
+
+	n = wpabuf_alloc(len);
+	if (n) {
+		if (a)
+			wpabuf_put_buf(n, a);
+		if (b)
+			wpabuf_put_buf(n, b);
+	}
+
+	wpabuf_free(a);
+	wpabuf_free(b);
+
+	return n;
+}
+
+
+/**
+ * wpabuf_zeropad - Pad buffer with 0x00 octets (prefix) to specified length
+ * @buf: Buffer to be padded
+ * @len: Length for the padded buffer
+ * Returns: wpabuf padded to len octets or %NULL on failure
+ *
+ * If buf is longer than len octets or of same size, it will be returned as-is.
+ * Otherwise a new buffer is allocated and prefixed with 0x00 octets followed
+ * by the source data. The source buffer will be freed on error, i.e., caller
+ * will only be responsible on freeing the returned buffer. If buf is %NULL,
+ * %NULL will be returned.
+ */
+struct wpabuf * wpabuf_zeropad(struct wpabuf *buf, size_t len)
+{
+	struct wpabuf *ret;
+	size_t blen;
+
+	if (buf == NULL)
+		return NULL;
+
+	blen = wpabuf_len(buf);
+	if (blen >= len)
+		return buf;
+
+	ret = wpabuf_alloc(len);
+	if (ret) {
+		os_memset(wpabuf_put(ret, len - blen), 0, len - blen);
+		wpabuf_put_buf(ret, buf);
+	}
+	wpabuf_free(buf);
+
+	return ret;
+}
+
+
+void wpabuf_printf(struct wpabuf *buf, char *fmt, ...)
+{
+	va_list ap;
+	void *tmp = wpabuf_mhead_u8(buf) + wpabuf_len(buf);
+	int res;
+
+	va_start(ap, fmt);
+	res = vsnprintf(tmp, buf->size - buf->used, fmt, ap);
+	va_end(ap);
+	if (res < 0 || (size_t) res >= buf->size - buf->used)
+		wpabuf_overflow(buf, res);
+	buf->used += res;
+}
diff --git a/src/utils/wpabuf.h b/src/utils/wpabuf.h
new file mode 100644
index 0000000..cccfcc8
--- /dev/null
+++ b/src/utils/wpabuf.h
@@ -0,0 +1,168 @@
+/*
+ * Dynamic data buffer
+ * Copyright (c) 2007-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef WPABUF_H
+#define WPABUF_H
+
+/*
+ * Internal data structure for wpabuf. Please do not touch this directly from
+ * elsewhere. This is only defined in header file to allow inline functions
+ * from this file to access data.
+ */
+struct wpabuf {
+	size_t size; /* total size of the allocated buffer */
+	size_t used; /* length of data in the buffer */
+	u8 *ext_data; /* pointer to external data; NULL if data follows
+		       * struct wpabuf */
+	/* optionally followed by the allocated buffer */
+};
+
+
+int wpabuf_resize(struct wpabuf **buf, size_t add_len);
+struct wpabuf * wpabuf_alloc(size_t len);
+struct wpabuf * wpabuf_alloc_ext_data(u8 *data, size_t len);
+struct wpabuf * wpabuf_alloc_copy(const void *data, size_t len);
+struct wpabuf * wpabuf_dup(const struct wpabuf *src);
+void wpabuf_free(struct wpabuf *buf);
+void * wpabuf_put(struct wpabuf *buf, size_t len);
+struct wpabuf * wpabuf_concat(struct wpabuf *a, struct wpabuf *b);
+struct wpabuf * wpabuf_zeropad(struct wpabuf *buf, size_t len);
+void wpabuf_printf(struct wpabuf *buf, char *fmt, ...) PRINTF_FORMAT(2, 3);
+
+
+/**
+ * wpabuf_size - Get the currently allocated size of a wpabuf buffer
+ * @buf: wpabuf buffer
+ * Returns: Currently allocated size of the buffer
+ */
+static inline size_t wpabuf_size(const struct wpabuf *buf)
+{
+	return buf->size;
+}
+
+/**
+ * wpabuf_len - Get the current length of a wpabuf buffer data
+ * @buf: wpabuf buffer
+ * Returns: Currently used length of the buffer
+ */
+static inline size_t wpabuf_len(const struct wpabuf *buf)
+{
+	return buf->used;
+}
+
+/**
+ * wpabuf_tailroom - Get size of available tail room in the end of the buffer
+ * @buf: wpabuf buffer
+ * Returns: Tail room (in bytes) of available space in the end of the buffer
+ */
+static inline size_t wpabuf_tailroom(const struct wpabuf *buf)
+{
+	return buf->size - buf->used;
+}
+
+/**
+ * wpabuf_head - Get pointer to the head of the buffer data
+ * @buf: wpabuf buffer
+ * Returns: Pointer to the head of the buffer data
+ */
+static inline const void * wpabuf_head(const struct wpabuf *buf)
+{
+	if (buf->ext_data)
+		return buf->ext_data;
+	return buf + 1;
+}
+
+static inline const u8 * wpabuf_head_u8(const struct wpabuf *buf)
+{
+	return wpabuf_head(buf);
+}
+
+/**
+ * wpabuf_mhead - Get modifiable pointer to the head of the buffer data
+ * @buf: wpabuf buffer
+ * Returns: Pointer to the head of the buffer data
+ */
+static inline void * wpabuf_mhead(struct wpabuf *buf)
+{
+	if (buf->ext_data)
+		return buf->ext_data;
+	return buf + 1;
+}
+
+static inline u8 * wpabuf_mhead_u8(struct wpabuf *buf)
+{
+	return wpabuf_mhead(buf);
+}
+
+static inline void wpabuf_put_u8(struct wpabuf *buf, u8 data)
+{
+	u8 *pos = wpabuf_put(buf, 1);
+	*pos = data;
+}
+
+static inline void wpabuf_put_le16(struct wpabuf *buf, u16 data)
+{
+	u8 *pos = wpabuf_put(buf, 2);
+	WPA_PUT_LE16(pos, data);
+}
+
+static inline void wpabuf_put_le32(struct wpabuf *buf, u32 data)
+{
+	u8 *pos = wpabuf_put(buf, 4);
+	WPA_PUT_LE32(pos, data);
+}
+
+static inline void wpabuf_put_be16(struct wpabuf *buf, u16 data)
+{
+	u8 *pos = wpabuf_put(buf, 2);
+	WPA_PUT_BE16(pos, data);
+}
+
+static inline void wpabuf_put_be24(struct wpabuf *buf, u32 data)
+{
+	u8 *pos = wpabuf_put(buf, 3);
+	WPA_PUT_BE24(pos, data);
+}
+
+static inline void wpabuf_put_be32(struct wpabuf *buf, u32 data)
+{
+	u8 *pos = wpabuf_put(buf, 4);
+	WPA_PUT_BE32(pos, data);
+}
+
+static inline void wpabuf_put_data(struct wpabuf *buf, const void *data,
+				   size_t len)
+{
+	if (data)
+		os_memcpy(wpabuf_put(buf, len), data, len);
+}
+
+static inline void wpabuf_put_buf(struct wpabuf *dst,
+				  const struct wpabuf *src)
+{
+	wpabuf_put_data(dst, wpabuf_head(src), wpabuf_len(src));
+}
+
+static inline void wpabuf_set(struct wpabuf *buf, const void *data, size_t len)
+{
+	buf->ext_data = (u8 *) data;
+	buf->size = buf->used = len;
+}
+
+static inline void wpabuf_put_str(struct wpabuf *dst, const char *str)
+{
+	wpabuf_put_data(dst, str, os_strlen(str));
+}
+
+#endif /* WPABUF_H */
diff --git a/src/wps/Makefile b/src/wps/Makefile
new file mode 100644
index 0000000..9c41962
--- /dev/null
+++ b/src/wps/Makefile
@@ -0,0 +1,8 @@
+all:
+	@echo Nothing to be made.
+
+clean:
+	rm -f *~ *.o *.d
+
+install:
+	@echo Nothing to be made.
diff --git a/src/wps/http.h b/src/wps/http.h
new file mode 100644
index 0000000..2fee3a8
--- /dev/null
+++ b/src/wps/http.h
@@ -0,0 +1,29 @@
+/*
+ * HTTP for WPS
+ * Copyright (c) 2000-2003 Intel Corporation
+ * Copyright (c) 2006-2007 Sony Corporation
+ * Copyright (c) 2008-2009 Atheros Communications
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * See wps_upnp.c for more details on licensing and code history.
+ */
+
+#ifndef HTTP_H
+#define HTTP_H
+
+enum http_reply_code {
+	HTTP_OK = 200,
+	HTTP_BAD_REQUEST = 400,
+	UPNP_INVALID_ACTION = 401,
+	UPNP_INVALID_ARGS = 402,
+	HTTP_NOT_FOUND = 404,
+	HTTP_PRECONDITION_FAILED = 412,
+	HTTP_INTERNAL_SERVER_ERROR = 500,
+	HTTP_UNIMPLEMENTED = 501,
+	UPNP_ACTION_FAILED = 501,
+	UPNP_ARG_VALUE_INVALID = 600,
+	UPNP_ARG_VALUE_OUT_OF_RANGE = 601,
+	UPNP_OUT_OF_MEMORY = 603
+};
+
+#endif /* HTTP_H */
diff --git a/src/wps/http_client.c b/src/wps/http_client.c
new file mode 100644
index 0000000..9b53b80
--- /dev/null
+++ b/src/wps/http_client.c
@@ -0,0 +1,374 @@
+/*
+ * http_client - HTTP client
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <fcntl.h>
+
+#include "common.h"
+#include "eloop.h"
+#include "httpread.h"
+#include "http_client.h"
+
+
+#define HTTP_CLIENT_TIMEOUT_SEC 30
+
+
+struct http_client {
+	struct sockaddr_in dst;
+	int sd;
+	struct wpabuf *req;
+	size_t req_pos;
+	size_t max_response;
+
+	void (*cb)(void *ctx, struct http_client *c,
+		   enum http_client_event event);
+	void *cb_ctx;
+	struct httpread *hread;
+	struct wpabuf body;
+};
+
+
+static void http_client_timeout(void *eloop_data, void *user_ctx)
+{
+	struct http_client *c = eloop_data;
+	wpa_printf(MSG_DEBUG, "HTTP: Timeout (c=%p)", c);
+	c->cb(c->cb_ctx, c, HTTP_CLIENT_TIMEOUT);
+}
+
+
+static void http_client_got_response(struct httpread *handle, void *cookie,
+				     enum httpread_event e)
+{
+	struct http_client *c = cookie;
+
+	wpa_printf(MSG_DEBUG, "HTTP: httpread callback: handle=%p cookie=%p "
+		   "e=%d", handle, cookie, e);
+
+	eloop_cancel_timeout(http_client_timeout, c, NULL);
+	switch (e) {
+	case HTTPREAD_EVENT_FILE_READY:
+		if (httpread_hdr_type_get(c->hread) == HTTPREAD_HDR_TYPE_REPLY)
+		{
+			int reply_code = httpread_reply_code_get(c->hread);
+			if (reply_code == 200 /* OK */) {
+				wpa_printf(MSG_DEBUG, "HTTP: Response OK from "
+					   "%s:%d",
+					   inet_ntoa(c->dst.sin_addr),
+					   ntohs(c->dst.sin_port));
+				c->cb(c->cb_ctx, c, HTTP_CLIENT_OK);
+			} else {
+				wpa_printf(MSG_DEBUG, "HTTP: Error %d from "
+					   "%s:%d", reply_code,
+					   inet_ntoa(c->dst.sin_addr),
+					   ntohs(c->dst.sin_port));
+				c->cb(c->cb_ctx, c, HTTP_CLIENT_INVALID_REPLY);
+			}
+		} else
+			c->cb(c->cb_ctx, c, HTTP_CLIENT_INVALID_REPLY);
+		break;
+	case HTTPREAD_EVENT_TIMEOUT:
+		c->cb(c->cb_ctx, c, HTTP_CLIENT_TIMEOUT);
+		break;
+	case HTTPREAD_EVENT_ERROR:
+		c->cb(c->cb_ctx, c, HTTP_CLIENT_FAILED);
+		break;
+	}
+}
+
+
+static void http_client_tx_ready(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	struct http_client *c = eloop_ctx;
+	int res;
+
+	wpa_printf(MSG_DEBUG, "HTTP: Send client request to %s:%d (%lu of %lu "
+		   "bytes remaining)",
+		   inet_ntoa(c->dst.sin_addr), ntohs(c->dst.sin_port),
+		   (unsigned long) wpabuf_len(c->req),
+		   (unsigned long) wpabuf_len(c->req) - c->req_pos);
+
+	res = send(c->sd, wpabuf_head(c->req) + c->req_pos,
+		   wpabuf_len(c->req) - c->req_pos, 0);
+	if (res < 0) {
+		wpa_printf(MSG_DEBUG, "HTTP: Failed to send buffer: %s",
+			   strerror(errno));
+		eloop_unregister_sock(c->sd, EVENT_TYPE_WRITE);
+		c->cb(c->cb_ctx, c, HTTP_CLIENT_FAILED);
+		return;
+	}
+
+	if ((size_t) res < wpabuf_len(c->req) - c->req_pos) {
+		wpa_printf(MSG_DEBUG, "HTTP: Sent %d of %lu bytes; %lu bytes "
+			   "remaining",
+			   res, (unsigned long) wpabuf_len(c->req),
+			   (unsigned long) wpabuf_len(c->req) - c->req_pos -
+			   res);
+		c->req_pos += res;
+		return;
+	}
+
+	wpa_printf(MSG_DEBUG, "HTTP: Full client request sent to %s:%d",
+		   inet_ntoa(c->dst.sin_addr), ntohs(c->dst.sin_port));
+	eloop_unregister_sock(c->sd, EVENT_TYPE_WRITE);
+	wpabuf_free(c->req);
+	c->req = NULL;
+
+	c->hread = httpread_create(c->sd, http_client_got_response, c,
+				   c->max_response, HTTP_CLIENT_TIMEOUT_SEC);
+	if (c->hread == NULL) {
+		c->cb(c->cb_ctx, c, HTTP_CLIENT_FAILED);
+		return;
+	}
+}
+
+
+struct http_client * http_client_addr(struct sockaddr_in *dst,
+				      struct wpabuf *req, size_t max_response,
+				      void (*cb)(void *ctx,
+						 struct http_client *c,
+						 enum http_client_event event),
+				      void *cb_ctx)
+{
+	struct http_client *c;
+
+	c = os_zalloc(sizeof(*c));
+	if (c == NULL)
+		return NULL;
+	c->sd = -1;
+	c->dst = *dst;
+	c->max_response = max_response;
+	c->cb = cb;
+	c->cb_ctx = cb_ctx;
+
+	c->sd = socket(AF_INET, SOCK_STREAM, 0);
+	if (c->sd < 0) {
+		http_client_free(c);
+		return NULL;
+	}
+
+	if (fcntl(c->sd, F_SETFL, O_NONBLOCK) != 0) {
+		wpa_printf(MSG_DEBUG, "HTTP: fnctl(O_NONBLOCK) failed: %s",
+			   strerror(errno));
+		http_client_free(c);
+		return NULL;
+	}
+
+	if (connect(c->sd, (struct sockaddr *) dst, sizeof(*dst))) {
+		if (errno != EINPROGRESS) {
+			wpa_printf(MSG_DEBUG, "HTTP: Failed to connect: %s",
+				   strerror(errno));
+			http_client_free(c);
+			return NULL;
+		}
+
+		/*
+		 * Continue connecting in the background; eloop will call us
+		 * once the connection is ready (or failed).
+		 */
+	}
+
+	if (eloop_register_sock(c->sd, EVENT_TYPE_WRITE, http_client_tx_ready,
+				c, NULL)) {
+		http_client_free(c);
+		return NULL;
+	}
+
+	if (eloop_register_timeout(HTTP_CLIENT_TIMEOUT_SEC, 0,
+				   http_client_timeout, c, NULL)) {
+		http_client_free(c);
+		return NULL;
+	}
+
+	c->req = req;
+
+	return c;
+}
+
+
+char * http_client_url_parse(const char *url, struct sockaddr_in *dst,
+			     char **ret_path)
+{
+	char *u, *addr, *port, *path;
+
+	u = os_strdup(url);
+	if (u == NULL)
+		return NULL;
+
+	os_memset(dst, 0, sizeof(*dst));
+	dst->sin_family = AF_INET;
+	addr = u + 7;
+	path = os_strchr(addr, '/');
+	port = os_strchr(addr, ':');
+	if (path == NULL) {
+		path = "/";
+	} else {
+		*path = '\0'; /* temporary nul termination for address */
+		if (port > path)
+			port = NULL;
+	}
+	if (port)
+		*port++ = '\0';
+
+	if (inet_aton(addr, &dst->sin_addr) == 0) {
+		/* TODO: name lookup */
+		wpa_printf(MSG_DEBUG, "HTTP: Unsupported address in URL '%s' "
+			   "(addr='%s' port='%s')",
+			   url, addr, port);
+		os_free(u);
+		return NULL;
+	}
+
+	if (port)
+		dst->sin_port = htons(atoi(port));
+	else
+		dst->sin_port = htons(80);
+
+	if (*path == '\0') {
+		/* remove temporary nul termination for address */
+		*path = '/';
+	}
+
+	*ret_path = path;
+
+	return u;
+}
+
+
+struct http_client * http_client_url(const char *url,
+				     struct wpabuf *req, size_t max_response,
+				     void (*cb)(void *ctx,
+						struct http_client *c,
+						enum http_client_event event),
+				     void *cb_ctx)
+{
+	struct sockaddr_in dst;
+	struct http_client *c;
+	char *u, *path;
+	struct wpabuf *req_buf = NULL;
+
+	if (os_strncmp(url, "http://", 7) != 0)
+		return NULL;
+	u = http_client_url_parse(url, &dst, &path);
+	if (u == NULL)
+		return NULL;
+
+	if (req == NULL) {
+		req_buf = wpabuf_alloc(os_strlen(url) + 1000);
+		if (req_buf == NULL) {
+			os_free(u);
+			return NULL;
+		}
+		req = req_buf;
+		wpabuf_printf(req,
+			      "GET %s HTTP/1.1\r\n"
+			      "Cache-Control: no-cache\r\n"
+			      "Pragma: no-cache\r\n"
+			      "Accept: text/xml, application/xml\r\n"
+			      "User-Agent: wpa_supplicant\r\n"
+			      "Host: %s:%d\r\n"
+			      "\r\n",
+			      path, inet_ntoa(dst.sin_addr),
+			      ntohs(dst.sin_port));
+	}
+	os_free(u);
+
+	c = http_client_addr(&dst, req, max_response, cb, cb_ctx);
+	if (c == NULL) {
+		wpabuf_free(req_buf);
+		return NULL;
+	}
+
+	return c;
+}
+
+
+void http_client_free(struct http_client *c)
+{
+	if (c == NULL)
+		return;
+	httpread_destroy(c->hread);
+	wpabuf_free(c->req);
+	if (c->sd >= 0) {
+		eloop_unregister_sock(c->sd, EVENT_TYPE_WRITE);
+		close(c->sd);
+	}
+	eloop_cancel_timeout(http_client_timeout, c, NULL);
+	os_free(c);
+}
+
+
+struct wpabuf * http_client_get_body(struct http_client *c)
+{
+	if (c->hread == NULL)
+		return NULL;
+	wpabuf_set(&c->body, httpread_data_get(c->hread),
+		   httpread_length_get(c->hread));
+	return &c->body;
+}
+
+
+char * http_client_get_hdr_line(struct http_client *c, const char *tag)
+{
+	if (c->hread == NULL)
+		return NULL;
+	return httpread_hdr_line_get(c->hread, tag);
+}
+
+
+char * http_link_update(char *url, const char *base)
+{
+	char *n;
+	size_t len;
+	const char *pos;
+
+	/* RFC 2396, Chapter 5.2 */
+	/* TODO: consider adding all cases described in RFC 2396 */
+
+	if (url == NULL)
+		return NULL;
+
+	if (os_strncmp(url, "http://", 7) == 0)
+		return url; /* absolute link */
+
+	if (os_strncmp(base, "http://", 7) != 0)
+		return url; /* unable to handle base URL */
+
+	len = os_strlen(url) + 1 + os_strlen(base) + 1;
+	n = os_malloc(len);
+	if (n == NULL)
+		return url; /* failed */
+
+	if (url[0] == '/') {
+		pos = os_strchr(base + 7, '/');
+		if (pos == NULL) {
+			os_snprintf(n, len, "%s%s", base, url);
+		} else {
+			os_memcpy(n, base, pos - base);
+			os_memcpy(n + (pos - base), url, os_strlen(url) + 1);
+		}
+	} else {
+		pos = os_strrchr(base + 7, '/');
+		if (pos == NULL) {
+			os_snprintf(n, len, "%s/%s", base, url);
+		} else {
+			os_memcpy(n, base, pos - base + 1);
+			os_memcpy(n + (pos - base) + 1, url, os_strlen(url) +
+				  1);
+		}
+	}
+
+	os_free(url);
+
+	return n;
+}
diff --git a/src/wps/http_client.h b/src/wps/http_client.h
new file mode 100644
index 0000000..924d6ab
--- /dev/null
+++ b/src/wps/http_client.h
@@ -0,0 +1,46 @@
+/*
+ * http_client - HTTP client
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef HTTP_CLIENT_H
+#define HTTP_CLIENT_H
+
+struct http_client;
+
+enum http_client_event {
+	HTTP_CLIENT_FAILED,
+	HTTP_CLIENT_TIMEOUT,
+	HTTP_CLIENT_OK,
+	HTTP_CLIENT_INVALID_REPLY,
+};
+
+char * http_client_url_parse(const char *url, struct sockaddr_in *dst,
+			     char **path);
+struct http_client * http_client_addr(struct sockaddr_in *dst,
+				      struct wpabuf *req, size_t max_response,
+				      void (*cb)(void *ctx,
+						 struct http_client *c,
+						 enum http_client_event event),
+				      void *cb_ctx);
+struct http_client * http_client_url(const char *url,
+				     struct wpabuf *req, size_t max_response,
+				     void (*cb)(void *ctx,
+						struct http_client *c,
+						enum http_client_event event),
+				     void *cb_ctx);
+void http_client_free(struct http_client *c);
+struct wpabuf * http_client_get_body(struct http_client *c);
+char * http_client_get_hdr_line(struct http_client *c, const char *tag);
+char * http_link_update(char *url, const char *base);
+
+#endif /* HTTP_CLIENT_H */
diff --git a/src/wps/http_server.c b/src/wps/http_server.c
new file mode 100644
index 0000000..356f599
--- /dev/null
+++ b/src/wps/http_server.c
@@ -0,0 +1,312 @@
+/*
+ * http_server - HTTP server
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <fcntl.h>
+
+#include "common.h"
+#include "eloop.h"
+#include "httpread.h"
+#include "http_server.h"
+
+#define HTTP_SERVER_TIMEOUT 30
+#define HTTP_SERVER_MAX_REQ_LEN 8000
+#define HTTP_SERVER_MAX_CONNECTIONS 10
+
+struct http_request {
+	struct http_request *next;
+	struct http_server *srv;
+	int fd;
+	struct sockaddr_in cli;
+	struct httpread *hread;
+};
+
+struct http_server {
+	void (*cb)(void *ctx, struct http_request *req);
+	void *cb_ctx;
+
+	int fd;
+	int port;
+
+	struct http_request *requests;
+	unsigned int request_count;
+};
+
+
+static void http_request_cb(struct httpread *handle, void *cookie,
+			    enum httpread_event en)
+{
+	struct http_request *req = cookie;
+	struct http_server *srv = req->srv;
+
+	if (en == HTTPREAD_EVENT_FILE_READY) {
+		wpa_printf(MSG_DEBUG, "HTTP: Request from %s:%d received",
+			   inet_ntoa(req->cli.sin_addr),
+			   ntohs(req->cli.sin_port));
+		srv->cb(srv->cb_ctx, req);
+		return;
+	}
+	wpa_printf(MSG_DEBUG, "HTTP: Request from %s:%d could not be received "
+		   "completely", inet_ntoa(req->cli.sin_addr),
+		   ntohs(req->cli.sin_port));
+	http_request_deinit(req);
+}
+
+
+static struct http_request * http_request_init(struct http_server *srv, int fd,
+					       struct sockaddr_in *cli)
+{
+	struct http_request *req;
+
+	if (srv->request_count >= HTTP_SERVER_MAX_CONNECTIONS) {
+		wpa_printf(MSG_DEBUG, "HTTP: Too many concurrent requests");
+		return NULL;
+	}
+
+	req = os_zalloc(sizeof(*req));
+	if (req == NULL)
+		return NULL;
+
+	req->srv = srv;
+	req->fd = fd;
+	req->cli = *cli;
+
+	req->hread = httpread_create(req->fd, http_request_cb, req,
+				     HTTP_SERVER_MAX_REQ_LEN,
+				     HTTP_SERVER_TIMEOUT);
+	if (req->hread == NULL) {
+		http_request_deinit(req);
+		return NULL;
+	}
+
+	return req;
+}
+
+
+void http_request_deinit(struct http_request *req)
+{
+	struct http_request *r, *p;
+	struct http_server *srv;
+
+	if (req == NULL)
+		return;
+
+	srv = req->srv;
+	p = NULL;
+	r = srv->requests;
+	while (r) {
+		if (r == req) {
+			if (p)
+				p->next = r->next;
+			else
+				srv->requests = r->next;
+			srv->request_count--;
+			break;
+		}
+		p = r;
+		r = r->next;
+	}
+
+	httpread_destroy(req->hread);
+	close(req->fd);
+	os_free(req);
+}
+
+
+static void http_request_free_all(struct http_request *req)
+{
+	struct http_request *prev;
+	while (req) {
+		prev = req;
+		req = req->next;
+		http_request_deinit(prev);
+	}
+}
+
+
+void http_request_send(struct http_request *req, struct wpabuf *resp)
+{
+	int res;
+
+	wpa_printf(MSG_DEBUG, "HTTP: Send %lu byte response to %s:%d",
+		   (unsigned long) wpabuf_len(resp),
+		   inet_ntoa(req->cli.sin_addr),
+		   ntohs(req->cli.sin_port));
+
+	res = send(req->fd, wpabuf_head(resp), wpabuf_len(resp), 0);
+	if (res < 0) {
+		wpa_printf(MSG_DEBUG, "HTTP: Send failed: %s",
+			   strerror(errno));
+	} else if ((size_t) res < wpabuf_len(resp)) {
+		wpa_printf(MSG_DEBUG, "HTTP: Sent only %d of %lu bytes",
+			   res, (unsigned long) wpabuf_len(resp));
+		/* TODO: add eloop handler for sending rest of the data */
+	}
+
+	wpabuf_free(resp);
+}
+
+
+void http_request_send_and_deinit(struct http_request *req,
+				  struct wpabuf *resp)
+{
+	http_request_send(req, resp);
+	http_request_deinit(req);
+}
+
+
+enum httpread_hdr_type http_request_get_type(struct http_request *req)
+{
+	return httpread_hdr_type_get(req->hread);
+}
+
+
+char * http_request_get_uri(struct http_request *req)
+{
+	return httpread_uri_get(req->hread);
+}
+
+
+char * http_request_get_hdr(struct http_request *req)
+{
+	return httpread_hdr_get(req->hread);
+}
+
+
+char * http_request_get_data(struct http_request *req)
+{
+	return httpread_data_get(req->hread);
+}
+
+
+char * http_request_get_hdr_line(struct http_request *req, const char *tag)
+{
+	return httpread_hdr_line_get(req->hread, tag);
+}
+
+
+struct sockaddr_in * http_request_get_cli_addr(struct http_request *req)
+{
+	return &req->cli;
+}
+
+
+static void http_server_cb(int sd, void *eloop_ctx, void *sock_ctx)
+{
+	struct sockaddr_in addr;
+	socklen_t addr_len = sizeof(addr);
+	struct http_server *srv = eloop_ctx;
+	int conn;
+	struct http_request *req;
+
+	conn = accept(srv->fd, (struct sockaddr *) &addr, &addr_len);
+	if (conn < 0) {
+		wpa_printf(MSG_DEBUG, "HTTP: Failed to accept new connection: "
+			   "%s", strerror(errno));
+		return;
+	}
+	wpa_printf(MSG_DEBUG, "HTTP: Connection from %s:%d",
+		   inet_ntoa(addr.sin_addr), ntohs(addr.sin_port));
+
+	req = http_request_init(srv, conn, &addr);
+	if (req == NULL) {
+		close(conn);
+		return;
+	}
+
+	req->next = srv->requests;
+	srv->requests = req;
+	srv->request_count++;
+}
+
+
+struct http_server * http_server_init(struct in_addr *addr, int port,
+				      void (*cb)(void *ctx,
+						 struct http_request *req),
+				      void *cb_ctx)
+{
+	struct sockaddr_in sin;
+	struct http_server *srv;
+
+	srv = os_zalloc(sizeof(*srv));
+	if (srv == NULL)
+		return NULL;
+	srv->cb = cb;
+	srv->cb_ctx = cb_ctx;
+
+	srv->fd = socket(AF_INET, SOCK_STREAM, 0);
+	if (srv->fd < 0)
+		goto fail;
+	if (fcntl(srv->fd, F_SETFL, O_NONBLOCK) < 0)
+		goto fail;
+	if (port < 0)
+		srv->port = 49152;
+	else
+		srv->port = port;
+
+	os_memset(&sin, 0, sizeof(sin));
+	sin.sin_family = AF_INET;
+	sin.sin_addr.s_addr = addr->s_addr;
+
+	for (;;) {
+		sin.sin_port = htons(srv->port);
+		if (bind(srv->fd, (struct sockaddr *) &sin, sizeof(sin)) == 0)
+			break;
+		if (errno == EADDRINUSE) {
+			/* search for unused port */
+			if (++srv->port == 65535 || port >= 0)
+				goto fail;
+			continue;
+		}
+		wpa_printf(MSG_DEBUG, "HTTP: Failed to bind server port %d: "
+			   "%s", srv->port, strerror(errno));
+		goto fail;
+	}
+	if (listen(srv->fd, 10 /* max backlog */) < 0)
+		goto fail;
+	if (fcntl(srv->fd, F_SETFL, O_NONBLOCK) < 0)
+		goto fail;
+	if (eloop_register_sock(srv->fd, EVENT_TYPE_READ, http_server_cb,
+				srv, NULL))
+		goto fail;
+
+	wpa_printf(MSG_DEBUG, "HTTP: Started server on %s:%d",
+		   inet_ntoa(*addr), srv->port);
+
+	return srv;
+
+fail:
+	http_server_deinit(srv);
+	return NULL;
+}
+
+
+void http_server_deinit(struct http_server *srv)
+{
+	if (srv == NULL)
+		return;
+	if (srv->fd >= 0) {
+		eloop_unregister_sock(srv->fd, EVENT_TYPE_READ);
+		close(srv->fd);
+	}
+	http_request_free_all(srv->requests);
+
+	os_free(srv);
+}
+
+
+int http_server_get_port(struct http_server *srv)
+{
+	return srv->port;
+}
diff --git a/src/wps/http_server.h b/src/wps/http_server.h
new file mode 100644
index 0000000..219941c
--- /dev/null
+++ b/src/wps/http_server.h
@@ -0,0 +1,39 @@
+/*
+ * http_server - HTTP server
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef HTTP_SERVER_H
+#define HTTP_SERVER_H
+
+struct http_server;
+struct http_request;
+
+void http_request_deinit(struct http_request *req);
+void http_request_send(struct http_request *req, struct wpabuf *resp);
+void http_request_send_and_deinit(struct http_request *req,
+				  struct wpabuf *resp);
+enum httpread_hdr_type http_request_get_type(struct http_request *req);
+char * http_request_get_uri(struct http_request *req);
+char * http_request_get_hdr(struct http_request *req);
+char * http_request_get_data(struct http_request *req);
+char * http_request_get_hdr_line(struct http_request *req, const char *tag);
+struct sockaddr_in * http_request_get_cli_addr(struct http_request *req);
+
+struct http_server * http_server_init(struct in_addr *addr, int port,
+				      void (*cb)(void *ctx,
+						 struct http_request *req),
+				      void *cb_ctx);
+void http_server_deinit(struct http_server *srv);
+int http_server_get_port(struct http_server *srv);
+
+#endif /* HTTP_SERVER_H */
diff --git a/src/wps/httpread.c b/src/wps/httpread.c
new file mode 100644
index 0000000..40422e4
--- /dev/null
+++ b/src/wps/httpread.c
@@ -0,0 +1,861 @@
+/*
+ * httpread - Manage reading file(s) from HTTP/TCP socket
+ * Author: Ted Merrill
+ * Copyright 2008 Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * The files are buffered via internal callbacks from eloop, then presented to
+ * an application callback routine when completely read into memory. May also
+ * be used if no file is expected but just to get the header, including HTTP
+ * replies (e.g. HTTP/1.1 200 OK etc.).
+ *
+ * This does not attempt to be an optimally efficient implementation, but does
+ * attempt to be of reasonably small size and memory consumption; assuming that
+ * only small files are to be read. A maximum file size is provided by
+ * application and enforced.
+ *
+ * It is assumed that the application does not expect any of the following:
+ * -- transfer encoding other than chunked
+ * -- trailer fields
+ * It is assumed that, even if the other side requested that the connection be
+ * kept open, that we will close it (thus HTTP messages sent by application
+ * should have the connection closed field); this is allowed by HTTP/1.1 and
+ * simplifies things for us.
+ *
+ * Other limitations:
+ * -- HTTP header may not exceed a hard-coded size.
+ *
+ * Notes:
+ * This code would be massively simpler without some of the new features of
+ * HTTP/1.1, especially chunked data.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eloop.h"
+#include "httpread.h"
+
+
+/* Tunable parameters */
+#define HTTPREAD_READBUF_SIZE 1024      /* read in chunks of this size */
+#define HTTPREAD_HEADER_MAX_SIZE 4096   /* max allowed for headers */
+#define HTTPREAD_BODYBUF_DELTA 4096     /* increase allocation by this */
+
+#if 0
+/* httpread_debug -- set this global variable > 0 e.g. from debugger
+ * to enable debugs (larger numbers for more debugs)
+ * Make this a #define of 0 to eliminate the debugging code.
+ */
+int httpread_debug = 99;
+#else
+#define httpread_debug 0        /* eliminates even the debugging code */
+#endif
+
+
+/* control instance -- actual definition (opaque to application)
+ */
+struct httpread {
+	/* information from creation */
+	int sd;         /* descriptor of TCP socket to read from */
+	void (*cb)(struct httpread *handle, void *cookie,
+		    enum httpread_event e);  /* call on event */
+	void *cookie;   /* pass to callback */
+	int max_bytes;          /* maximum file size else abort it */
+	int timeout_seconds;            /* 0 or total duration timeout period */
+
+	/* dynamically used information follows */
+	int sd_registered;      /* nonzero if we need to unregister socket */
+	int to_registered;      /* nonzero if we need to unregister timeout */
+
+	int got_hdr;            /* nonzero when header is finalized */
+	char hdr[HTTPREAD_HEADER_MAX_SIZE+1];   /* headers stored here */
+	int hdr_nbytes;
+
+	enum httpread_hdr_type hdr_type;
+	int version;            /* 1 if we've seen 1.1 */
+	int reply_code;         /* for type REPLY, e.g. 200 for HTTP/1.1 200 OK */
+	int got_content_length; /* true if we know content length for sure */
+	int content_length;     /* body length,  iff got_content_length */
+	int chunked;            /* nonzero for chunked data */
+	char *uri;
+
+	int got_body;           /* nonzero when body is finalized */
+	char *body;
+	int body_nbytes;
+	int body_alloc_nbytes;  /* amount allocated */
+
+	int got_file;           /* here when we are done */
+
+	/* The following apply if data is chunked: */
+	int in_chunk_data;      /* 0=in/at header, 1=in the data or tail*/
+	int chunk_start;        /* offset in body of chunk hdr or data */
+	int chunk_size;         /* data of chunk (not hdr or ending CRLF)*/
+	int in_trailer;         /* in header fields after data (chunked only)*/
+	enum trailer_state {
+		trailer_line_begin = 0,
+		trailer_empty_cr,       /* empty line + CR */
+		trailer_nonempty,
+		trailer_nonempty_cr,
+	} trailer_state;
+};
+
+
+/* Check words for equality, where words consist of graphical characters
+ * delimited by whitespace
+ * Returns nonzero if "equal" doing case insensitive comparison.
+ */
+static int word_eq(char *s1, char *s2)
+{
+	int c1;
+	int c2;
+	int end1 = 0;
+	int end2 = 0;
+	for (;;) {
+		c1 = *s1++;
+		c2 = *s2++;
+		if (isalpha(c1) && isupper(c1))
+			c1 = tolower(c1);
+		if (isalpha(c2) && isupper(c2))
+			c2 = tolower(c2);
+		end1 = !isgraph(c1);
+		end2 = !isgraph(c2);
+		if (end1 || end2 || c1 != c2)
+			break;
+	}
+	return end1 && end2;  /* reached end of both words? */
+}
+
+
+/* convert hex to binary
+ * Requires that c have been previously tested true with isxdigit().
+ */
+static int hex_value(int c)
+{
+	if (isdigit(c))
+		return c - '0';
+	if (islower(c))
+		return 10 + c - 'a';
+	return 10 + c - 'A';
+}
+
+
+static void httpread_timeout_handler(void *eloop_data, void *user_ctx);
+
+/* httpread_destroy -- if h is non-NULL, clean up
+ * This must eventually be called by the application following
+ * call of the application's callback and may be called
+ * earlier if desired.
+ */
+void httpread_destroy(struct httpread *h)
+{
+	if (httpread_debug >= 10)
+		wpa_printf(MSG_DEBUG, "ENTER httpread_destroy(%p)", h);
+	if (!h)
+		return;
+
+	if (h->to_registered)
+		eloop_cancel_timeout(httpread_timeout_handler, NULL, h);
+	h->to_registered = 0;
+	if (h->sd_registered)
+		eloop_unregister_sock(h->sd, EVENT_TYPE_READ);
+	h->sd_registered = 0;
+	os_free(h->body);
+	os_free(h->uri);
+	os_memset(h, 0, sizeof(*h));  /* aid debugging */
+	h->sd = -1;     /* aid debugging */
+	os_free(h);
+}
+
+
+/* httpread_timeout_handler -- called on excessive total duration
+ */
+static void httpread_timeout_handler(void *eloop_data, void *user_ctx)
+{
+	struct httpread *h = user_ctx;
+	wpa_printf(MSG_DEBUG, "httpread timeout (%p)", h);
+	h->to_registered = 0;   /* is self-cancelling */
+	(*h->cb)(h, h->cookie, HTTPREAD_EVENT_TIMEOUT);
+}
+
+
+/* Analyze options only so far as is needed to correctly obtain the file.
+ * The application can look at the raw header to find other options.
+ */
+static int httpread_hdr_option_analyze(
+	struct httpread *h,
+	char *hbp       /* pointer to current line in header buffer */
+	)
+{
+	if (word_eq(hbp, "CONTENT-LENGTH:")) {
+		while (isgraph(*hbp))
+			hbp++;
+		while (*hbp == ' ' || *hbp == '\t')
+			hbp++;
+		if (!isdigit(*hbp))
+			return -1;
+		h->content_length = atol(hbp);
+		h->got_content_length = 1;
+		return 0;
+	}
+	if (word_eq(hbp, "TRANSFER_ENCODING:") ||
+	    word_eq(hbp, "TRANSFER-ENCODING:")) {
+		while (isgraph(*hbp))
+			hbp++;
+		while (*hbp == ' ' || *hbp == '\t')
+			hbp++;
+		/* There should (?) be no encodings of interest
+		 * other than chunked...
+		 */
+		if (word_eq(hbp, "CHUNKED")) {
+			h->chunked = 1;
+			h->in_chunk_data = 0;
+			/* ignore possible ;<parameters> */
+		}
+		return 0;
+	}
+	/* skip anything we don't know, which is a lot */
+	return 0;
+}
+
+
+static int httpread_hdr_analyze(struct httpread *h)
+{
+	char *hbp = h->hdr;      /* pointer into h->hdr */
+	int standard_first_line = 1;
+
+	/* First line is special */
+	h->hdr_type = HTTPREAD_HDR_TYPE_UNKNOWN;
+	if (!isgraph(*hbp))
+		goto bad;
+	if (os_strncmp(hbp, "HTTP/", 5) == 0) {
+		h->hdr_type = HTTPREAD_HDR_TYPE_REPLY;
+		standard_first_line = 0;
+		hbp += 5;
+		if (hbp[0] == '1' && hbp[1] == '.' &&
+		    isdigit(hbp[2]) && hbp[2] != '0')
+			h->version = 1;
+		while (isgraph(*hbp))
+			hbp++;
+		while (*hbp == ' ' || *hbp == '\t')
+			hbp++;
+		if (!isdigit(*hbp))
+			goto bad;
+		h->reply_code = atol(hbp);
+	} else if (word_eq(hbp, "GET"))
+		h->hdr_type = HTTPREAD_HDR_TYPE_GET;
+	else if (word_eq(hbp, "HEAD"))
+		h->hdr_type = HTTPREAD_HDR_TYPE_HEAD;
+	else if (word_eq(hbp, "POST"))
+		h->hdr_type = HTTPREAD_HDR_TYPE_POST;
+	else if (word_eq(hbp, "PUT"))
+		h->hdr_type = HTTPREAD_HDR_TYPE_PUT;
+	else if (word_eq(hbp, "DELETE"))
+		h->hdr_type = HTTPREAD_HDR_TYPE_DELETE;
+	else if (word_eq(hbp, "TRACE"))
+		h->hdr_type = HTTPREAD_HDR_TYPE_TRACE;
+	else if (word_eq(hbp, "CONNECT"))
+		h->hdr_type = HTTPREAD_HDR_TYPE_CONNECT;
+	else if (word_eq(hbp, "NOTIFY"))
+		h->hdr_type = HTTPREAD_HDR_TYPE_NOTIFY;
+	else if (word_eq(hbp, "M-SEARCH"))
+		h->hdr_type = HTTPREAD_HDR_TYPE_M_SEARCH;
+	else if (word_eq(hbp, "M-POST"))
+		h->hdr_type = HTTPREAD_HDR_TYPE_M_POST;
+	else if (word_eq(hbp, "SUBSCRIBE"))
+		h->hdr_type = HTTPREAD_HDR_TYPE_SUBSCRIBE;
+	else if (word_eq(hbp, "UNSUBSCRIBE"))
+		h->hdr_type = HTTPREAD_HDR_TYPE_UNSUBSCRIBE;
+	else {
+	}
+
+	if (standard_first_line) {
+		char *rawuri;
+		char *uri;
+		/* skip type */
+		while (isgraph(*hbp))
+			hbp++;
+		while (*hbp == ' ' || *hbp == '\t')
+			hbp++;
+		/* parse uri.
+		 * Find length, allocate memory for translated
+		 * copy, then translate by changing %<hex><hex>
+		 * into represented value.
+		 */
+		rawuri = hbp;
+		while (isgraph(*hbp))
+			hbp++;
+		h->uri = os_malloc((hbp - rawuri) + 1);
+		if (h->uri == NULL)
+			goto bad;
+		uri = h->uri;
+		while (rawuri < hbp) {
+			int c = *rawuri;
+			if (c == '%' &&
+			    isxdigit(rawuri[1]) && isxdigit(rawuri[2])) {
+				*uri++ = (hex_value(rawuri[1]) << 4) |
+					hex_value(rawuri[2]);
+				rawuri += 3;
+			} else {
+				*uri++ = c;
+				rawuri++;
+			}
+		}
+		*uri = 0;       /* null terminate */
+		while (isgraph(*hbp))
+			hbp++;
+		while (*hbp == ' ' || *hbp == '\t')
+			hbp++;
+		/* get version */
+		if (0 == strncmp(hbp, "HTTP/", 5)) {
+			hbp += 5;
+			if (hbp[0] == '1' && hbp[1] == '.' &&
+			    isdigit(hbp[2]) && hbp[2] != '0')
+				h->version = 1;
+		}
+	}
+	/* skip rest of line */
+	while (*hbp)
+		if (*hbp++ == '\n')
+			break;
+
+	/* Remainder of lines are options, in any order;
+	 * or empty line to terminate
+	 */
+	for (;;) {
+		/* Empty line to terminate */
+		if (hbp[0] == '\n' ||
+		    (hbp[0] == '\r' && hbp[1] == '\n'))
+			break;
+		if (!isgraph(*hbp))
+			goto bad;
+		if (httpread_hdr_option_analyze(h, hbp))
+			goto bad;
+		/* skip line */
+		while (*hbp)
+			if (*hbp++ == '\n')
+				break;
+	}
+
+	/* chunked overrides content-length always */
+	if (h->chunked)
+		h->got_content_length = 0;
+
+	/* For some types, we should not try to read a body
+	 * This is in addition to the application determining
+	 * that we should not read a body.
+	 */
+	switch (h->hdr_type) {
+	case HTTPREAD_HDR_TYPE_REPLY:
+		/* Some codes can have a body and some not.
+		 * For now, just assume that any other than 200
+		 * do not...
+		 */
+		if (h->reply_code != 200)
+			h->max_bytes = 0;
+		break;
+	case HTTPREAD_HDR_TYPE_GET:
+	case HTTPREAD_HDR_TYPE_HEAD:
+		/* in practice it appears that it is assumed
+		 * that GETs have a body length of 0... ?
+		 */
+		if (h->chunked == 0 && h->got_content_length == 0)
+			h->max_bytes = 0;
+		break;
+	case HTTPREAD_HDR_TYPE_POST:
+	case HTTPREAD_HDR_TYPE_PUT:
+	case HTTPREAD_HDR_TYPE_DELETE:
+	case HTTPREAD_HDR_TYPE_TRACE:
+	case HTTPREAD_HDR_TYPE_CONNECT:
+	case HTTPREAD_HDR_TYPE_NOTIFY:
+	case HTTPREAD_HDR_TYPE_M_SEARCH:
+	case HTTPREAD_HDR_TYPE_M_POST:
+	case HTTPREAD_HDR_TYPE_SUBSCRIBE:
+	case HTTPREAD_HDR_TYPE_UNSUBSCRIBE:
+	default:
+		break;
+	}
+
+	return 0;
+
+bad:
+	/* Error */
+	return -1;
+}
+
+
+/* httpread_read_handler -- called when socket ready to read
+ *
+ * Note: any extra data we read past end of transmitted file is ignored;
+ * if we were to support keeping connections open for multiple files then
+ * this would have to be addressed.
+ */
+static void httpread_read_handler(int sd, void *eloop_ctx, void *sock_ctx)
+{
+	struct httpread *h = sock_ctx;
+	int nread;
+	char *rbp;      /* pointer into read buffer */
+	char *hbp;      /* pointer into header buffer */
+	char *bbp;      /* pointer into body buffer */
+	char readbuf[HTTPREAD_READBUF_SIZE];  /* temp use to read into */
+
+	if (httpread_debug >= 20)
+		wpa_printf(MSG_DEBUG, "ENTER httpread_read_handler(%p)", h);
+
+	/* read some at a time, then search for the interal
+	 * boundaries between header and data and etc.
+	 */
+	nread = read(h->sd, readbuf, sizeof(readbuf));
+	if (nread < 0)
+		goto bad;
+	if (nread == 0) {
+		/* end of transmission... this may be normal
+		 * or may be an error... in some cases we can't
+		 * tell which so we must assume it is normal then.
+		 */
+		if (!h->got_hdr) {
+			/* Must at least have completed header */
+			wpa_printf(MSG_DEBUG, "httpread premature eof(%p)", h);
+			goto bad;
+		}
+		if (h->chunked || h->got_content_length) {
+			/* Premature EOF; e.g. dropped connection */
+			wpa_printf(MSG_DEBUG,
+				   "httpread premature eof(%p) %d/%d",
+				   h, h->body_nbytes,
+				   h->content_length);
+			goto bad;
+		}
+		/* No explicit length, hopefully we have all the data
+		 * although dropped connections can cause false
+		 * end
+		 */
+		if (httpread_debug >= 10)
+			wpa_printf(MSG_DEBUG, "httpread ok eof(%p)", h);
+			h->got_body = 1;
+			goto got_file;
+	}
+	rbp = readbuf;
+
+	/* Header consists of text lines (terminated by both CR and LF)
+	 * and an empty line (CR LF only).
+	 */
+	if (!h->got_hdr) {
+		hbp = h->hdr + h->hdr_nbytes;
+		/* add to headers until:
+		 *      -- we run out of data in read buffer
+		 *      -- or, we run out of header buffer room
+		 *      -- or, we get double CRLF in headers
+		 */
+		for (;;) {
+			if (nread == 0)
+				goto get_more;
+			if (h->hdr_nbytes == HTTPREAD_HEADER_MAX_SIZE) {
+				goto bad;
+			}
+			*hbp++ = *rbp++;
+			nread--;
+			h->hdr_nbytes++;
+			if (h->hdr_nbytes >= 4 &&
+			    hbp[-1] == '\n' &&
+			    hbp[-2] == '\r' &&
+			    hbp[-3] == '\n' &&
+			    hbp[-4] == '\r' ) {
+				h->got_hdr = 1;
+				*hbp = 0;       /* null terminate */
+				break;
+			}
+		}
+		/* here we've just finished reading the header */
+		if (httpread_hdr_analyze(h)) {
+			wpa_printf(MSG_DEBUG, "httpread bad hdr(%p)", h);
+			goto bad;
+		}
+		if (h->max_bytes == 0) {
+			if (httpread_debug >= 10)
+				wpa_printf(MSG_DEBUG,
+					   "httpread no body hdr end(%p)", h);
+			goto got_file;
+		}
+		if (h->got_content_length && h->content_length == 0) {
+			if (httpread_debug >= 10)
+				wpa_printf(MSG_DEBUG,
+					   "httpread zero content length(%p)",
+					   h);
+			goto got_file;
+		}
+	}
+
+	/* Certain types of requests never have data and so
+	 * must be specially recognized.
+	 */
+	if (!os_strncasecmp(h->hdr, "SUBSCRIBE", 9) ||
+	    !os_strncasecmp(h->hdr, "UNSUBSCRIBE", 11) ||
+	    !os_strncasecmp(h->hdr, "HEAD", 4) ||
+	    !os_strncasecmp(h->hdr, "GET", 3)) {
+		if (!h->got_body) {
+			if (httpread_debug >= 10)
+				wpa_printf(MSG_DEBUG,
+					   "httpread NO BODY for sp. type");
+		}
+		h->got_body = 1;
+		goto got_file;
+	}
+
+	/* Data can be just plain binary data, or if "chunked"
+	 * consists of chunks each with a header, ending with
+	 * an ending header.
+	 */
+	if (nread == 0)
+		goto get_more;
+	if (!h->got_body) {
+		/* Here to get (more of) body */
+		/* ensure we have enough room for worst case for body
+		 * plus a null termination character
+		 */
+		if (h->body_alloc_nbytes < (h->body_nbytes + nread + 1)) {
+			char *new_body;
+			int new_alloc_nbytes;
+
+			if (h->body_nbytes >= h->max_bytes)
+				goto bad;
+			new_alloc_nbytes = h->body_alloc_nbytes +
+				HTTPREAD_BODYBUF_DELTA;
+			/* For content-length case, the first time
+			 * through we allocate the whole amount
+			 * we need.
+			 */
+			if (h->got_content_length &&
+			    new_alloc_nbytes < (h->content_length + 1))
+				new_alloc_nbytes = h->content_length + 1;
+			if ((new_body = os_realloc(h->body, new_alloc_nbytes))
+			    == NULL)
+				goto bad;
+
+			h->body = new_body;
+			h->body_alloc_nbytes = new_alloc_nbytes;
+		}
+		/* add bytes */
+		bbp = h->body + h->body_nbytes;
+		for (;;) {
+			int ncopy;
+			/* See if we need to stop */
+			if (h->chunked && h->in_chunk_data == 0) {
+				/* in chunk header */
+				char *cbp = h->body + h->chunk_start;
+				if (bbp-cbp >= 2 && bbp[-2] == '\r' &&
+				    bbp[-1] == '\n') {
+					/* end of chunk hdr line */
+					/* hdr line consists solely
+					 * of a hex numeral and CFLF
+					 */
+					if (!isxdigit(*cbp))
+						goto bad;
+					h->chunk_size = strtoul(cbp, NULL, 16);
+					/* throw away chunk header
+					 * so we have only real data
+					 */
+					h->body_nbytes = h->chunk_start;
+					bbp = cbp;
+					if (h->chunk_size == 0) {
+						/* end of chunking */
+						/* trailer follows */
+						h->in_trailer = 1;
+						if (httpread_debug >= 20)
+							wpa_printf(
+								MSG_DEBUG,
+								"httpread end chunks(%p)", h);
+						break;
+					}
+					h->in_chunk_data = 1;
+					/* leave chunk_start alone */
+				}
+			} else if (h->chunked) {
+				/* in chunk data */
+				if ((h->body_nbytes - h->chunk_start) ==
+				    (h->chunk_size + 2)) {
+					/* end of chunk reached,
+					 * new chunk starts
+					 */
+					/* check chunk ended w/ CRLF
+					 * which we'll throw away
+					 */
+					if (bbp[-1] == '\n' &&
+					    bbp[-2] == '\r') {
+					} else
+						goto bad;
+					h->body_nbytes -= 2;
+					bbp -= 2;
+					h->chunk_start = h->body_nbytes;
+					h->in_chunk_data = 0;
+					h->chunk_size = 0; /* just in case */
+				}
+			} else if (h->got_content_length &&
+				   h->body_nbytes >= h->content_length) {
+				h->got_body = 1;
+				if (httpread_debug >= 10)
+					wpa_printf(
+						MSG_DEBUG,
+						"httpread got content(%p)", h);
+				goto got_file;
+			}
+			if (nread <= 0)
+				break;
+			/* Now transfer. Optimize using memcpy where we can. */
+			if (h->chunked && h->in_chunk_data) {
+				/* copy up to remainder of chunk data
+				 * plus the required CR+LF at end
+				 */
+				ncopy = (h->chunk_start + h->chunk_size + 2) -
+					h->body_nbytes;
+			} else if (h->chunked) {
+				/*in chunk header -- don't optimize */
+				*bbp++ = *rbp++;
+				nread--;
+				h->body_nbytes++;
+				continue;
+			} else if (h->got_content_length) {
+				ncopy = h->content_length - h->body_nbytes;
+			} else {
+				ncopy = nread;
+			}
+			/* Note: should never be 0 */
+			if (ncopy > nread)
+				ncopy = nread;
+			os_memcpy(bbp, rbp, ncopy);
+			bbp += ncopy;
+			h->body_nbytes += ncopy;
+			rbp += ncopy;
+			nread -= ncopy;
+		}       /* body copy loop */
+	}       /* !got_body */
+	if (h->chunked && h->in_trailer) {
+		/* If "chunked" then there is always a trailer,
+		 * consisting of zero or more non-empty lines
+		 * ending with CR LF and then an empty line w/ CR LF.
+		 * We do NOT support trailers except to skip them --
+		 * this is supported (generally) by the http spec.
+		 */
+		bbp = h->body + h->body_nbytes;
+		for (;;) {
+			int c;
+			if (nread <= 0)
+				break;
+			c = *rbp++;
+			nread--;
+			switch (h->trailer_state) {
+			case trailer_line_begin:
+				if (c == '\r')
+					h->trailer_state = trailer_empty_cr;
+				else
+					h->trailer_state = trailer_nonempty;
+				break;
+			case trailer_empty_cr:
+				/* end empty line */
+				if (c == '\n') {
+					h->trailer_state = trailer_line_begin;
+					h->in_trailer = 0;
+					if (httpread_debug >= 10)
+						wpa_printf(
+							MSG_DEBUG,
+							"httpread got content(%p)", h);
+					h->got_body = 1;
+					goto got_file;
+				}
+				h->trailer_state = trailer_nonempty;
+				break;
+			case trailer_nonempty:
+				if (c == '\r')
+					h->trailer_state = trailer_nonempty_cr;
+				break;
+			case trailer_nonempty_cr:
+				if (c == '\n')
+					h->trailer_state = trailer_line_begin;
+				else
+					h->trailer_state = trailer_nonempty;
+				break;
+			}
+		}
+	}
+	goto get_more;
+
+bad:
+	/* Error */
+	wpa_printf(MSG_DEBUG, "httpread read/parse failure (%p)", h);
+	(*h->cb)(h, h->cookie, HTTPREAD_EVENT_ERROR);
+	return;
+
+get_more:
+	return;
+
+got_file:
+	if (httpread_debug >= 10)
+		wpa_printf(MSG_DEBUG,
+			   "httpread got file %d bytes type %d",
+			   h->body_nbytes, h->hdr_type);
+	/* Null terminate for convenience of some applications */
+	if (h->body)
+		h->body[h->body_nbytes] = 0; /* null terminate */
+	h->got_file = 1;
+	/* Assume that we do NOT support keeping connection alive,
+	 * and just in case somehow we don't get destroyed right away,
+	 * unregister now.
+	 */
+	if (h->sd_registered)
+		eloop_unregister_sock(h->sd, EVENT_TYPE_READ);
+	h->sd_registered = 0;
+	/* The application can destroy us whenever they feel like...
+	 * cancel timeout.
+	 */
+	if (h->to_registered)
+		eloop_cancel_timeout(httpread_timeout_handler, NULL, h);
+	h->to_registered = 0;
+	(*h->cb)(h, h->cookie, HTTPREAD_EVENT_FILE_READY);
+}
+
+
+/* httpread_create -- start a new reading session making use of eloop.
+ * The new instance will use the socket descriptor for reading (until
+ * it gets a file and not after) but will not close the socket, even
+ * when the instance is destroyed (the application must do that).
+ * Return NULL on error.
+ *
+ * Provided that httpread_create successfully returns a handle,
+ * the callback fnc is called to handle httpread_event events.
+ * The caller should do destroy on any errors or unknown events.
+ *
+ * Pass max_bytes == 0 to not read body at all (required for e.g.
+ * reply to HEAD request).
+ */
+struct httpread * httpread_create(
+	int sd,	 /* descriptor of TCP socket to read from */
+	void (*cb)(struct httpread *handle, void *cookie,
+		   enum httpread_event e),  /* call on event */
+	void *cookie,    /* pass to callback */
+	int max_bytes,	  /* maximum body size else abort it */
+	int timeout_seconds     /* 0; or total duration timeout period */
+	)
+{
+	struct httpread *h = NULL;
+
+	h = os_zalloc(sizeof(*h));
+	if (h == NULL)
+		goto fail;
+	h->sd = sd;
+	h->cb = cb;
+	h->cookie = cookie;
+	h->max_bytes = max_bytes;
+	h->timeout_seconds = timeout_seconds;
+
+	if (timeout_seconds > 0) {
+		if (eloop_register_timeout(timeout_seconds, 0,
+					   httpread_timeout_handler,
+					   NULL, h)) {
+			/* No way to recover (from malloc failure) */
+			goto fail;
+		}
+		h->to_registered = 1;
+	}
+	if (eloop_register_sock(sd, EVENT_TYPE_READ, httpread_read_handler,
+				NULL, h)) {
+		/* No way to recover (from malloc failure) */
+		goto fail;
+	}
+	h->sd_registered = 1;
+	return h;
+
+fail:
+
+	/* Error */
+	httpread_destroy(h);
+	return NULL;
+}
+
+
+/* httpread_hdr_type_get -- When file is ready, returns header type. */
+enum httpread_hdr_type httpread_hdr_type_get(struct httpread *h)
+{
+	return h->hdr_type;
+}
+
+
+/* httpread_uri_get -- When file is ready, uri_get returns (translated) URI
+ * or possibly NULL (which would be an error).
+ */
+char * httpread_uri_get(struct httpread *h)
+{
+	return h->uri;
+}
+
+
+/* httpread_reply_code_get -- When reply is ready, returns reply code */
+int httpread_reply_code_get(struct httpread *h)
+{
+	return h->reply_code;
+}
+
+
+/* httpread_length_get -- When file is ready, returns file length. */
+int httpread_length_get(struct httpread *h)
+{
+	return h->body_nbytes;
+}
+
+
+/* httpread_data_get -- When file is ready, returns file content
+ * with null byte appened.
+ * Might return NULL in some error condition.
+ */
+void * httpread_data_get(struct httpread *h)
+{
+	return h->body ? h->body : "";
+}
+
+
+/* httpread_hdr_get -- When file is ready, returns header content
+ * with null byte appended.
+ * Might return NULL in some error condition.
+ */
+char * httpread_hdr_get(struct httpread *h)
+{
+	return h->hdr;
+}
+
+
+/* httpread_hdr_line_get -- When file is ready, returns pointer
+ * to line within header content matching the given tag
+ * (after the tag itself and any spaces/tabs).
+ *
+ * The tag should end with a colon for reliable matching.
+ *
+ * If not found, returns NULL;
+ */
+char * httpread_hdr_line_get(struct httpread *h, const char *tag)
+{
+	int tag_len = os_strlen(tag);
+	char *hdr = h->hdr;
+	hdr = os_strchr(hdr, '\n');
+	if (hdr == NULL)
+		return NULL;
+	hdr++;
+	for (;;) {
+		if (!os_strncasecmp(hdr, tag, tag_len)) {
+			hdr += tag_len;
+			while (*hdr == ' ' || *hdr == '\t')
+				hdr++;
+			return hdr;
+		}
+		hdr = os_strchr(hdr, '\n');
+		if (hdr == NULL)
+			return NULL;
+		hdr++;
+	}
+}
diff --git a/src/wps/httpread.h b/src/wps/httpread.h
new file mode 100644
index 0000000..51aa214
--- /dev/null
+++ b/src/wps/httpread.h
@@ -0,0 +1,123 @@
+/*
+ * httpread - Manage reading file(s) from HTTP/TCP socket
+ * Author: Ted Merrill
+ * Copyright 2008 Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef HTTPREAD_H
+#define HTTPREAD_H
+
+/* event types (passed to callback) */
+enum httpread_event {
+	HTTPREAD_EVENT_FILE_READY = 1,        /* including reply ready */
+	HTTPREAD_EVENT_TIMEOUT = 2,
+	HTTPREAD_EVENT_ERROR = 3      /* misc. error, esp malloc error */
+};
+
+
+/* header type detected
+ * available to callback via call to httpread_reply_code_get()
+ */
+enum httpread_hdr_type {
+	HTTPREAD_HDR_TYPE_UNKNOWN = 0,      /* none of the following */
+	HTTPREAD_HDR_TYPE_REPLY = 1,        /* hdr begins w/ HTTP/ */
+	HTTPREAD_HDR_TYPE_GET = 2,          /* hdr begins with GET<sp> */
+	HTTPREAD_HDR_TYPE_HEAD = 3,         /* hdr begins with HEAD<sp> */
+	HTTPREAD_HDR_TYPE_POST = 4,         /* hdr begins with POST<sp> */
+	HTTPREAD_HDR_TYPE_PUT = 5,          /* hdr begins with ... */
+	HTTPREAD_HDR_TYPE_DELETE = 6,       /* hdr begins with ... */
+	HTTPREAD_HDR_TYPE_TRACE = 7,        /* hdr begins with ... */
+	HTTPREAD_HDR_TYPE_CONNECT = 8,      /* hdr begins with ... */
+	HTTPREAD_HDR_TYPE_NOTIFY = 9,       /* hdr begins with ... */
+	HTTPREAD_HDR_TYPE_M_SEARCH = 10,    /* hdr begins with ... */
+	HTTPREAD_HDR_TYPE_M_POST = 11,      /* hdr begins with ... */
+	HTTPREAD_HDR_TYPE_SUBSCRIBE = 12,   /* hdr begins with ... */
+	HTTPREAD_HDR_TYPE_UNSUBSCRIBE = 13, /* hdr begins with ... */
+
+	HTTPREAD_N_HDR_TYPES    /* keep last */
+};
+
+
+/* control instance -- opaque struct declaration
+ */
+struct httpread;
+
+
+/* httpread_destroy -- if h is non-NULL, clean up
+ * This must eventually be called by the application following
+ * call of the application's callback and may be called
+ * earlier if desired.
+ */
+void httpread_destroy(struct httpread *h);
+
+/* httpread_create -- start a new reading session making use of eloop.
+ * The new instance will use the socket descriptor for reading (until
+ * it gets a file and not after) but will not close the socket, even
+ * when the instance is destroyed (the application must do that).
+ * Return NULL on error.
+ *
+ * Provided that httpread_create successfully returns a handle,
+ * the callback fnc is called to handle httpread_event events.
+ * The caller should do destroy on any errors or unknown events.
+ *
+ * Pass max_bytes == 0 to not read body at all (required for e.g.
+ * reply to HEAD request).
+ */
+struct httpread * httpread_create(
+	int sd,         /* descriptor of TCP socket to read from */
+	void (*cb)(struct httpread *handle, void *cookie,
+		    enum httpread_event e),  /* call on event */
+	void *cookie,    /* pass to callback */
+	int max_bytes,          /* maximum file size else abort it */
+	int timeout_seconds     /* 0; or total duration timeout period */
+	);
+
+/* httpread_hdr_type_get -- When file is ready, returns header type.
+ */
+enum httpread_hdr_type httpread_hdr_type_get(struct httpread *h);
+
+
+/* httpread_uri_get -- When file is ready, uri_get returns (translated) URI
+ * or possibly NULL (which would be an error).
+ */
+char *httpread_uri_get(struct httpread *h);
+
+/* httpread_reply_code_get -- When reply is ready, returns reply code */
+int httpread_reply_code_get(struct httpread *h);
+
+
+/* httpread_length_get -- When file is ready, returns file length. */
+int httpread_length_get(struct httpread *h);
+
+/* httpread_data_get -- When file is ready, returns file content
+ * with null byte appened.
+ * Might return NULL in some error condition.
+ */
+void * httpread_data_get(struct httpread *h);
+
+/* httpread_hdr_get -- When file is ready, returns header content
+ * with null byte appended.
+ * Might return NULL in some error condition.
+ */
+char * httpread_hdr_get(struct httpread *h);
+
+/* httpread_hdr_line_get -- When file is ready, returns pointer
+ * to line within header content matching the given tag
+ * (after the tag itself and any spaces/tabs).
+ *
+ * The tag should end with a colon for reliable matching.
+ *
+ * If not found, returns NULL;
+ */
+char * httpread_hdr_line_get(struct httpread *h, const char *tag);
+
+#endif /* HTTPREAD_H */
diff --git a/src/wps/ndef.c b/src/wps/ndef.c
new file mode 100644
index 0000000..9baec7f
--- /dev/null
+++ b/src/wps/ndef.c
@@ -0,0 +1,175 @@
+/*
+ * NDEF(NFC Data Exchange Format) routines for Wi-Fi Protected Setup
+ *   Reference is "NFCForum-TS-NDEF_1.0 2006-07-24".
+ * Copyright (c) 2009, Masashi Honma <honma@ictec.co.jp>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include "common.h"
+#include "wps/wps.h"
+#include "wps/wps_i.h"
+
+#define FLAG_MESSAGE_BEGIN (1 << 7)
+#define FLAG_MESSAGE_END (1 << 6)
+#define FLAG_CHUNK (1 << 5)
+#define FLAG_SHORT_RECORD (1 << 4)
+#define FLAG_ID_LENGTH_PRESENT (1 << 3)
+#define FLAG_TNF_RFC2046 (0x02)
+
+struct ndef_record {
+	u8 *type;
+	u8 *id;
+	u8 *payload;
+	u8 type_length;
+	u8 id_length;
+	u32 payload_length;
+	u32 total_length;
+};
+
+static char wifi_handover_type[] = "application/vnd.wfa.wsc";
+
+static int ndef_parse_record(u8 *data, u32 size, struct ndef_record *record)
+{
+	u8 *pos = data + 1;
+
+	if (size < 2)
+		return -1;
+	record->type_length = *pos++;
+	if (data[0] & FLAG_SHORT_RECORD) {
+		if (size < 3)
+			return -1;
+		record->payload_length = *pos++;
+	} else {
+		if (size < 6)
+			return -1;
+		record->payload_length = ntohl(*(u32 *)pos);
+		pos += sizeof(u32);
+	}
+
+	if (data[0] & FLAG_ID_LENGTH_PRESENT) {
+		if ((int) size < pos - data + 1)
+			return -1;
+		record->id_length = *pos++;
+	} else
+		record->id_length = 0;
+
+	record->type = record->type_length == 0 ? NULL : pos;
+	pos += record->type_length;
+
+	record->id = record->id_length == 0 ? NULL : pos;
+	pos += record->id_length;
+
+	record->payload = record->payload_length == 0 ? NULL : pos;
+	pos += record->payload_length;
+
+	record->total_length = pos - data;
+	if (record->total_length > size)
+		return -1;
+	return 0;
+}
+
+
+static struct wpabuf * ndef_parse_records(struct wpabuf *buf,
+					  int (*filter)(struct ndef_record *))
+{
+	struct ndef_record record;
+	int len = wpabuf_len(buf);
+	u8 *data = wpabuf_mhead(buf);
+
+	while (len > 0) {
+		if (ndef_parse_record(data, len, &record) < 0) {
+			wpa_printf(MSG_ERROR, "NDEF : Failed to parse");
+			return NULL;
+		}
+		if (filter == NULL || filter(&record))
+			return wpabuf_alloc_copy(record.payload,
+						 record.payload_length);
+		data += record.total_length;
+		len -= record.total_length;
+	}
+	wpa_printf(MSG_ERROR, "NDEF : Record not found");
+	return NULL;
+}
+
+
+static struct wpabuf * ndef_build_record(u8 flags, void *type,
+					 u8 type_length, void *id,
+					 u8 id_length, void *payload,
+					 u32 payload_length)
+{
+	struct wpabuf *record;
+	size_t total_len;
+	int short_record;
+	u8 local_flag;
+
+	short_record = payload_length < 256 ? 1 : 0;
+
+	total_len = 2; /* flag + type length */
+	/* payload length */
+	total_len += short_record ? sizeof(u8) : sizeof(u32);
+	if (id_length > 0)
+		total_len += 1;
+	total_len += type_length + id_length + payload_length;
+	record = wpabuf_alloc(total_len);
+	if (record == NULL) {
+		wpa_printf(MSG_ERROR, "NDEF : Failed to allocate "
+			   "record for build");
+		return NULL;
+	}
+
+	local_flag = flags;
+	if (id_length > 0)
+		local_flag |= FLAG_ID_LENGTH_PRESENT;
+	if (short_record)
+		local_flag |= FLAG_SHORT_RECORD;
+	wpabuf_put_u8(record, local_flag);
+
+	wpabuf_put_u8(record, type_length);
+
+	if (short_record)
+		wpabuf_put_u8(record, payload_length);
+	else
+		wpabuf_put_be32(record, payload_length);
+
+	if (id_length > 0)
+		wpabuf_put_u8(record, id_length);
+	wpabuf_put_data(record, type, type_length);
+	wpabuf_put_data(record, id, id_length);
+	wpabuf_put_data(record, payload, payload_length);
+	return record;
+}
+
+
+static int wifi_filter(struct ndef_record *record)
+{
+	if (record->type_length != os_strlen(wifi_handover_type))
+		return 0;
+	if (os_memcmp(record->type, wifi_handover_type,
+		      os_strlen(wifi_handover_type)) != 0)
+		return 0;
+	return 1;
+}
+
+
+struct wpabuf * ndef_parse_wifi(struct wpabuf *buf)
+{
+	return ndef_parse_records(buf, wifi_filter);
+}
+
+
+struct wpabuf * ndef_build_wifi(struct wpabuf *buf)
+{
+	return ndef_build_record(FLAG_MESSAGE_BEGIN | FLAG_MESSAGE_END |
+				 FLAG_TNF_RFC2046, wifi_handover_type,
+				 os_strlen(wifi_handover_type), NULL, 0,
+				 wpabuf_mhead(buf), wpabuf_len(buf));
+}
diff --git a/src/wps/upnp_xml.c b/src/wps/upnp_xml.c
new file mode 100644
index 0000000..b1b1e2b
--- /dev/null
+++ b/src/wps/upnp_xml.c
@@ -0,0 +1,252 @@
+/*
+ * UPnP XML helper routines
+ * Copyright (c) 2000-2003 Intel Corporation
+ * Copyright (c) 2006-2007 Sony Corporation
+ * Copyright (c) 2008-2009 Atheros Communications
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * See wps_upnp.c for more details on licensing and code history.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "base64.h"
+#include "http.h"
+#include "upnp_xml.h"
+
+
+/*
+ * XML parsing and formatting
+ *
+ * XML is a markup language based on unicode; usually (and in our case,
+ * always!) based on utf-8. utf-8 uses a variable number of bytes per
+ * character. utf-8 has the advantage that all non-ASCII unicode characters are
+ * represented by sequences of non-ascii (high bit set) bytes, whereas ASCII
+ * characters are single ascii bytes, thus we can use typical text processing.
+ *
+ * (One other interesting thing about utf-8 is that it is possible to look at
+ * any random byte and determine if it is the first byte of a character as
+ * versus a continuation byte).
+ *
+ * The base syntax of XML uses a few ASCII punctionation characters; any
+ * characters that would appear in the payload data are rewritten using
+ * sequences, e.g., &amp; for ampersand(&) and &lt for left angle bracket (<).
+ * Five such escapes total (more can be defined but that does not apply to our
+ * case). Thus we can safely parse for angle brackets etc.
+ *
+ * XML describes tree structures of tagged data, with each element beginning
+ * with an opening tag <label> and ending with a closing tag </label> with
+ * matching label. (There is also a self-closing tag <label/> which is supposed
+ * to be equivalent to <label></label>, i.e., no payload, but we are unlikely
+ * to see it for our purpose).
+ *
+ * Actually the opening tags are a little more complicated because they can
+ * contain "attributes" after the label (delimited by ascii space or tab chars)
+ * of the form attribute_label="value" or attribute_label='value'; as it turns
+ * out we do not have to read any of these attributes, just ignore them.
+ *
+ * Labels are any sequence of chars other than space, tab, right angle bracket
+ * (and ?), but may have an inner structure of <namespace><colon><plain_label>.
+ * As it turns out, we can ignore the namespaces, in fact we can ignore the
+ * entire tree hierarchy, because the plain labels we are looking for will be
+ * unique (not in general, but for this application). We do however have to be
+ * careful to skip over the namespaces.
+ *
+ * In generating XML we have to be more careful, but that is easy because
+ * everything we do is pretty canned. The only real care to take is to escape
+ * any special chars in our payload.
+ */
+
+/**
+ * xml_next_tag - Advance to next tag
+ * @in: Input
+ * @out: OUT: start of tag just after '<'
+ * @out_tagname: OUT: start of name of tag, skipping namespace
+ * @end: OUT: one after tag
+ * Returns: 0 on success, 1 on failure
+ *
+ * A tag has form:
+ *     <left angle bracket><...><right angle bracket>
+ * Within the angle brackets, there is an optional leading forward slash (which
+ * makes the tag an ending tag), then an optional leading label (followed by
+ * colon) and then the tag name itself.
+ *
+ * Note that angle brackets present in the original data must have been encoded
+ * as &lt; and &gt; so they will not trouble us.
+ */
+static int xml_next_tag(const char *in, const char **out,
+			const char **out_tagname, const char **end)
+{
+	while (*in && *in != '<')
+		in++;
+	if (*in != '<')
+		return 1;
+	*out = ++in;
+	if (*in == '/')
+		in++;
+	*out_tagname = in; /* maybe */
+	while (isalnum(*in) || *in == '-')
+		in++;
+	if (*in == ':')
+		*out_tagname = ++in;
+	while (*in && *in != '>')
+		in++;
+	if (*in != '>')
+		return 1;
+	*end = ++in;
+	return 0;
+}
+
+
+/* xml_data_encode -- format data for xml file, escaping special characters.
+ *
+ * Note that we assume we are using utf8 both as input and as output!
+ * In utf8, characters may be classed as follows:
+ *     0xxxxxxx(2) -- 1 byte ascii char
+ *     11xxxxxx(2) -- 1st byte of multi-byte char w/ unicode value >= 0x80
+ *         110xxxxx(2) -- 1st byte of 2 byte sequence (5 payload bits here)
+ *         1110xxxx(2) -- 1st byte of 3 byte sequence (4 payload bits here)
+ *         11110xxx(2) -- 1st byte of 4 byte sequence (3 payload bits here)
+ *      10xxxxxx(2) -- extension byte (6 payload bits per byte)
+ *      Some values implied by the above are however illegal because they
+ *      do not represent unicode chars or are not the shortest encoding.
+ * Actually, we can almost entirely ignore the above and just do
+ * text processing same as for ascii text.
+ *
+ * XML is written with arbitrary unicode characters, except that five
+ * characters have special meaning and so must be escaped where they
+ * appear in payload data... which we do here.
+ */
+void xml_data_encode(struct wpabuf *buf, const char *data, int len)
+{
+	int i;
+	for (i = 0; i < len; i++) {
+		u8 c = ((u8 *) data)[i];
+		if (c == '<') {
+			wpabuf_put_str(buf, "&lt;");
+			continue;
+		}
+		if (c == '>') {
+			wpabuf_put_str(buf, "&gt;");
+			continue;
+		}
+		if (c == '&') {
+			wpabuf_put_str(buf, "&amp;");
+			continue;
+		}
+		if (c == '\'') {
+			wpabuf_put_str(buf, "&apos;");
+			continue;
+		}
+		if (c == '"') {
+			wpabuf_put_str(buf, "&quot;");
+			continue;
+		}
+		/*
+		 * We could try to represent control characters using the
+		 * sequence: &#x; where x is replaced by a hex numeral, but not
+		 * clear why we would do this.
+		 */
+		wpabuf_put_u8(buf, c);
+	}
+}
+
+
+/* xml_add_tagged_data -- format tagged data as a new xml line.
+ *
+ * tag must not have any special chars.
+ * data may have special chars, which are escaped.
+ */
+void xml_add_tagged_data(struct wpabuf *buf, const char *tag, const char *data)
+{
+	wpabuf_printf(buf, "<%s>", tag);
+	xml_data_encode(buf, data, os_strlen(data));
+	wpabuf_printf(buf, "</%s>\n", tag);
+}
+
+
+/* A POST body looks something like (per upnp spec):
+ * <?xml version="1.0"?>
+ * <s:Envelope
+ *     xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"
+ *     s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
+ *   <s:Body>
+ *     <u:actionName xmlns:u="urn:schemas-upnp-org:service:serviceType:v">
+ *       <argumentName>in arg value</argumentName>
+ *       other in args and their values go here, if any
+ *     </u:actionName>
+ *   </s:Body>
+ * </s:Envelope>
+ *
+ * where :
+ *      s: might be some other namespace name followed by colon
+ *      u: might be some other namespace name followed by colon
+ *      actionName will be replaced according to action requested
+ *      schema following actionName will be WFA scheme instead
+ *      argumentName will be actual argument name
+ *      (in arg value) will be actual argument value
+ */
+char * xml_get_first_item(const char *doc, const char *item)
+{
+	const char *match = item;
+	int match_len = os_strlen(item);
+	const char *tag, *tagname, *end;
+	char *value;
+
+	/*
+	 * This is crude: ignore any possible tag name conflicts and go right
+	 * to the first tag of this name. This should be ok for the limited
+	 * domain of UPnP messages.
+	 */
+	for (;;) {
+		if (xml_next_tag(doc, &tag, &tagname, &end))
+			return NULL;
+		doc = end;
+		if (!os_strncasecmp(tagname, match, match_len) &&
+		    *tag != '/' &&
+		    (tagname[match_len] == '>' ||
+		     !isgraph(tagname[match_len]))) {
+			break;
+		}
+	}
+	end = doc;
+	while (*end && *end != '<')
+		end++;
+	value = os_zalloc(1 + (end - doc));
+	if (value == NULL)
+		return NULL;
+	os_memcpy(value, doc, end - doc);
+	return value;
+}
+
+
+struct wpabuf * xml_get_base64_item(const char *data, const char *name,
+				    enum http_reply_code *ret)
+{
+	char *msg;
+	struct wpabuf *buf;
+	unsigned char *decoded;
+	size_t len;
+
+	msg = xml_get_first_item(data, name);
+	if (msg == NULL) {
+		*ret = UPNP_ARG_VALUE_INVALID;
+		return NULL;
+	}
+
+	decoded = base64_decode((unsigned char *) msg, os_strlen(msg), &len);
+	os_free(msg);
+	if (decoded == NULL) {
+		*ret = UPNP_OUT_OF_MEMORY;
+		return NULL;
+	}
+
+	buf = wpabuf_alloc_ext_data(decoded, len);
+	if (buf == NULL) {
+		os_free(decoded);
+		*ret = UPNP_OUT_OF_MEMORY;
+		return NULL;
+	}
+	return buf;
+}
diff --git a/src/wps/upnp_xml.h b/src/wps/upnp_xml.h
new file mode 100644
index 0000000..62dbe60
--- /dev/null
+++ b/src/wps/upnp_xml.h
@@ -0,0 +1,23 @@
+/*
+ * UPnP XML helper routines
+ * Copyright (c) 2000-2003 Intel Corporation
+ * Copyright (c) 2006-2007 Sony Corporation
+ * Copyright (c) 2008-2009 Atheros Communications
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * See wps_upnp.c for more details on licensing and code history.
+ */
+
+#ifndef UPNP_XML_H
+#define UPNP_XML_H
+
+#include "http.h"
+
+void xml_data_encode(struct wpabuf *buf, const char *data, int len);
+void xml_add_tagged_data(struct wpabuf *buf, const char *tag,
+			 const char *data);
+char * xml_get_first_item(const char *doc, const char *item);
+struct wpabuf * xml_get_base64_item(const char *data, const char *name,
+				    enum http_reply_code *ret);
+
+#endif /* UPNP_XML_H */
diff --git a/src/wps/wps.c b/src/wps/wps.c
new file mode 100644
index 0000000..7564d60
--- /dev/null
+++ b/src/wps/wps.c
@@ -0,0 +1,627 @@
+/*
+ * Wi-Fi Protected Setup
+ * Copyright (c) 2007-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/dh_group5.h"
+#include "common/ieee802_11_defs.h"
+#include "wps_i.h"
+#include "wps_dev_attr.h"
+
+
+#ifdef CONFIG_WPS_TESTING
+int wps_version_number = 0x20;
+int wps_testing_dummy_cred = 0;
+#endif /* CONFIG_WPS_TESTING */
+
+
+/**
+ * wps_init - Initialize WPS Registration protocol data
+ * @cfg: WPS configuration
+ * Returns: Pointer to allocated data or %NULL on failure
+ *
+ * This function is used to initialize WPS data for a registration protocol
+ * instance (i.e., each run of registration protocol as a Registrar of
+ * Enrollee. The caller is responsible for freeing this data after the
+ * registration run has been completed by calling wps_deinit().
+ */
+struct wps_data * wps_init(const struct wps_config *cfg)
+{
+	struct wps_data *data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->wps = cfg->wps;
+	data->registrar = cfg->registrar;
+	if (cfg->registrar) {
+		os_memcpy(data->uuid_r, cfg->wps->uuid, WPS_UUID_LEN);
+	} else {
+		os_memcpy(data->mac_addr_e, cfg->wps->dev.mac_addr, ETH_ALEN);
+		os_memcpy(data->uuid_e, cfg->wps->uuid, WPS_UUID_LEN);
+	}
+	if (cfg->pin) {
+		data->dev_pw_id = data->wps->oob_dev_pw_id == 0 ?
+			cfg->dev_pw_id : data->wps->oob_dev_pw_id;
+		data->dev_password = os_malloc(cfg->pin_len);
+		if (data->dev_password == NULL) {
+			os_free(data);
+			return NULL;
+		}
+		os_memcpy(data->dev_password, cfg->pin, cfg->pin_len);
+		data->dev_password_len = cfg->pin_len;
+	}
+
+	data->pbc = cfg->pbc;
+	if (cfg->pbc) {
+		/* Use special PIN '00000000' for PBC */
+		data->dev_pw_id = DEV_PW_PUSHBUTTON;
+		os_free(data->dev_password);
+		data->dev_password = os_malloc(8);
+		if (data->dev_password == NULL) {
+			os_free(data);
+			return NULL;
+		}
+		os_memset(data->dev_password, '0', 8);
+		data->dev_password_len = 8;
+	}
+
+	data->state = data->registrar ? RECV_M1 : SEND_M1;
+
+	if (cfg->assoc_wps_ie) {
+		struct wps_parse_attr attr;
+		wpa_hexdump_buf(MSG_DEBUG, "WPS: WPS IE from (Re)AssocReq",
+				cfg->assoc_wps_ie);
+		if (wps_parse_msg(cfg->assoc_wps_ie, &attr) < 0) {
+			wpa_printf(MSG_DEBUG, "WPS: Failed to parse WPS IE "
+				   "from (Re)AssocReq");
+		} else if (attr.request_type == NULL) {
+			wpa_printf(MSG_DEBUG, "WPS: No Request Type attribute "
+				   "in (Re)AssocReq WPS IE");
+		} else {
+			wpa_printf(MSG_DEBUG, "WPS: Request Type (from WPS IE "
+				   "in (Re)AssocReq WPS IE): %d",
+				   *attr.request_type);
+			data->request_type = *attr.request_type;
+		}
+	}
+
+	if (cfg->new_ap_settings) {
+		data->new_ap_settings =
+			os_malloc(sizeof(*data->new_ap_settings));
+		if (data->new_ap_settings == NULL) {
+			os_free(data);
+			return NULL;
+		}
+		os_memcpy(data->new_ap_settings, cfg->new_ap_settings,
+			  sizeof(*data->new_ap_settings));
+	}
+
+	if (cfg->peer_addr)
+		os_memcpy(data->peer_dev.mac_addr, cfg->peer_addr, ETH_ALEN);
+	if (cfg->p2p_dev_addr)
+		os_memcpy(data->p2p_dev_addr, cfg->p2p_dev_addr, ETH_ALEN);
+
+	data->use_psk_key = cfg->use_psk_key;
+
+	return data;
+}
+
+
+/**
+ * wps_deinit - Deinitialize WPS Registration protocol data
+ * @data: WPS Registration protocol data from wps_init()
+ */
+void wps_deinit(struct wps_data *data)
+{
+	if (data->wps_pin_revealed) {
+		wpa_printf(MSG_DEBUG, "WPS: Full PIN information revealed and "
+			   "negotiation failed");
+		if (data->registrar)
+			wps_registrar_invalidate_pin(data->wps->registrar,
+						     data->uuid_e);
+	} else if (data->registrar)
+		wps_registrar_unlock_pin(data->wps->registrar, data->uuid_e);
+
+	wpabuf_free(data->dh_privkey);
+	wpabuf_free(data->dh_pubkey_e);
+	wpabuf_free(data->dh_pubkey_r);
+	wpabuf_free(data->last_msg);
+	os_free(data->dev_password);
+	os_free(data->new_psk);
+	wps_device_data_free(&data->peer_dev);
+	os_free(data->new_ap_settings);
+	dh5_free(data->dh_ctx);
+	os_free(data);
+}
+
+
+/**
+ * wps_process_msg - Process a WPS message
+ * @wps: WPS Registration protocol data from wps_init()
+ * @op_code: Message OP Code
+ * @msg: Message data
+ * Returns: Processing result
+ *
+ * This function is used to process WPS messages with OP Codes WSC_ACK,
+ * WSC_NACK, WSC_MSG, and WSC_Done. The caller (e.g., EAP server/peer) is
+ * responsible for reassembling the messages before calling this function.
+ * Response to this message is built by calling wps_get_msg().
+ */
+enum wps_process_res wps_process_msg(struct wps_data *wps,
+				     enum wsc_op_code op_code,
+				     const struct wpabuf *msg)
+{
+	if (wps->registrar)
+		return wps_registrar_process_msg(wps, op_code, msg);
+	else
+		return wps_enrollee_process_msg(wps, op_code, msg);
+}
+
+
+/**
+ * wps_get_msg - Build a WPS message
+ * @wps: WPS Registration protocol data from wps_init()
+ * @op_code: Buffer for returning message OP Code
+ * Returns: The generated WPS message or %NULL on failure
+ *
+ * This function is used to build a response to a message processed by calling
+ * wps_process_msg(). The caller is responsible for freeing the buffer.
+ */
+struct wpabuf * wps_get_msg(struct wps_data *wps, enum wsc_op_code *op_code)
+{
+	if (wps->registrar)
+		return wps_registrar_get_msg(wps, op_code);
+	else
+		return wps_enrollee_get_msg(wps, op_code);
+}
+
+
+/**
+ * wps_is_selected_pbc_registrar - Check whether WPS IE indicates active PBC
+ * @msg: WPS IE contents from Beacon or Probe Response frame
+ * Returns: 1 if PBC Registrar is active, 0 if not
+ */
+int wps_is_selected_pbc_registrar(const struct wpabuf *msg)
+{
+	struct wps_parse_attr attr;
+
+	/*
+	 * In theory, this could also verify that attr.sel_reg_config_methods
+	 * includes WPS_CONFIG_PUSHBUTTON, but some deployed AP implementations
+	 * do not set Selected Registrar Config Methods attribute properly, so
+	 * it is safer to just use Device Password ID here.
+	 */
+
+	if (wps_parse_msg(msg, &attr) < 0 ||
+	    !attr.selected_registrar || *attr.selected_registrar == 0 ||
+	    !attr.dev_password_id ||
+	    WPA_GET_BE16(attr.dev_password_id) != DEV_PW_PUSHBUTTON)
+		return 0;
+
+#ifdef CONFIG_WPS_STRICT
+	if (!attr.sel_reg_config_methods ||
+	    !(WPA_GET_BE16(attr.sel_reg_config_methods) &
+	      WPS_CONFIG_PUSHBUTTON))
+		return 0;
+#endif /* CONFIG_WPS_STRICT */
+
+	return 1;
+}
+
+
+static int is_selected_pin_registrar(struct wps_parse_attr *attr)
+{
+	/*
+	 * In theory, this could also verify that attr.sel_reg_config_methods
+	 * includes WPS_CONFIG_LABEL, WPS_CONFIG_DISPLAY, or WPS_CONFIG_KEYPAD,
+	 * but some deployed AP implementations do not set Selected Registrar
+	 * Config Methods attribute properly, so it is safer to just use
+	 * Device Password ID here.
+	 */
+
+	if (!attr->selected_registrar || *attr->selected_registrar == 0)
+		return 0;
+
+	if (attr->dev_password_id != NULL &&
+	    WPA_GET_BE16(attr->dev_password_id) == DEV_PW_PUSHBUTTON)
+		return 0;
+
+#ifdef CONFIG_WPS_STRICT
+	if (!attr->sel_reg_config_methods ||
+	    !(WPA_GET_BE16(attr->sel_reg_config_methods) &
+	      (WPS_CONFIG_LABEL | WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD)))
+		return 0;
+#endif /* CONFIG_WPS_STRICT */
+
+	return 1;
+}
+
+
+/**
+ * wps_is_selected_pin_registrar - Check whether WPS IE indicates active PIN
+ * @msg: WPS IE contents from Beacon or Probe Response frame
+ * Returns: 1 if PIN Registrar is active, 0 if not
+ */
+int wps_is_selected_pin_registrar(const struct wpabuf *msg)
+{
+	struct wps_parse_attr attr;
+
+	if (wps_parse_msg(msg, &attr) < 0)
+		return 0;
+
+	return is_selected_pin_registrar(&attr);
+}
+
+
+/**
+ * wps_is_addr_authorized - Check whether WPS IE authorizes MAC address
+ * @msg: WPS IE contents from Beacon or Probe Response frame
+ * @addr: MAC address to search for
+ * @ver1_compat: Whether to use version 1 compatibility mode
+ * Returns: 1 if address is authorized, 0 if not
+ */
+int wps_is_addr_authorized(const struct wpabuf *msg, const u8 *addr,
+			   int ver1_compat)
+{
+	struct wps_parse_attr attr;
+	unsigned int i;
+	const u8 *pos;
+	const u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+
+	if (wps_parse_msg(msg, &attr) < 0)
+		return 0;
+
+	if (!attr.version2 && ver1_compat) {
+		/*
+		 * Version 1.0 AP - AuthorizedMACs not used, so revert back to
+		 * old mechanism of using SelectedRegistrar.
+		 */
+		return is_selected_pin_registrar(&attr);
+	}
+
+	if (!attr.authorized_macs)
+		return 0;
+
+	pos = attr.authorized_macs;
+	for (i = 0; i < attr.authorized_macs_len / ETH_ALEN; i++) {
+		if (os_memcmp(pos, addr, ETH_ALEN) == 0 ||
+		    os_memcmp(pos, bcast, ETH_ALEN) == 0)
+			return 1;
+		pos += ETH_ALEN;
+	}
+
+	return 0;
+}
+
+
+/**
+ * wps_ap_priority_compar - Prioritize WPS IE from two APs
+ * @wps_a: WPS IE contents from Beacon or Probe Response frame
+ * @wps_b: WPS IE contents from Beacon or Probe Response frame
+ * Returns: 1 if wps_b is considered more likely selection for WPS
+ * provisioning, -1 if wps_a is considered more like, or 0 if no preference
+ */
+int wps_ap_priority_compar(const struct wpabuf *wps_a,
+			   const struct wpabuf *wps_b)
+{
+	struct wps_parse_attr attr_a, attr_b;
+	int sel_a, sel_b;
+
+	if (wps_a == NULL || wps_parse_msg(wps_a, &attr_a) < 0)
+		return 1;
+	if (wps_b == NULL || wps_parse_msg(wps_b, &attr_b) < 0)
+		return -1;
+
+	sel_a = attr_a.selected_registrar && *attr_a.selected_registrar != 0;
+	sel_b = attr_b.selected_registrar && *attr_b.selected_registrar != 0;
+
+	if (sel_a && !sel_b)
+		return -1;
+	if (!sel_a && sel_b)
+		return 1;
+
+	return 0;
+}
+
+
+/**
+ * wps_get_uuid_e - Get UUID-E from WPS IE
+ * @msg: WPS IE contents from Beacon or Probe Response frame
+ * Returns: Pointer to UUID-E or %NULL if not included
+ *
+ * The returned pointer is to the msg contents and it remains valid only as
+ * long as the msg buffer is valid.
+ */
+const u8 * wps_get_uuid_e(const struct wpabuf *msg)
+{
+	struct wps_parse_attr attr;
+
+	if (wps_parse_msg(msg, &attr) < 0)
+		return NULL;
+	return attr.uuid_e;
+}
+
+
+/**
+ * wps_build_assoc_req_ie - Build WPS IE for (Re)Association Request
+ * @req_type: Value for Request Type attribute
+ * Returns: WPS IE or %NULL on failure
+ *
+ * The caller is responsible for freeing the buffer.
+ */
+struct wpabuf * wps_build_assoc_req_ie(enum wps_request_type req_type)
+{
+	struct wpabuf *ie;
+	u8 *len;
+
+	wpa_printf(MSG_DEBUG, "WPS: Building WPS IE for (Re)Association "
+		   "Request");
+	ie = wpabuf_alloc(100);
+	if (ie == NULL)
+		return NULL;
+
+	wpabuf_put_u8(ie, WLAN_EID_VENDOR_SPECIFIC);
+	len = wpabuf_put(ie, 1);
+	wpabuf_put_be32(ie, WPS_DEV_OUI_WFA);
+
+	if (wps_build_version(ie) ||
+	    wps_build_req_type(ie, req_type) ||
+	    wps_build_wfa_ext(ie, 0, NULL, 0)) {
+		wpabuf_free(ie);
+		return NULL;
+	}
+
+	*len = wpabuf_len(ie) - 2;
+
+	return ie;
+}
+
+
+/**
+ * wps_build_assoc_resp_ie - Build WPS IE for (Re)Association Response
+ * Returns: WPS IE or %NULL on failure
+ *
+ * The caller is responsible for freeing the buffer.
+ */
+struct wpabuf * wps_build_assoc_resp_ie(void)
+{
+	struct wpabuf *ie;
+	u8 *len;
+
+	wpa_printf(MSG_DEBUG, "WPS: Building WPS IE for (Re)Association "
+		   "Response");
+	ie = wpabuf_alloc(100);
+	if (ie == NULL)
+		return NULL;
+
+	wpabuf_put_u8(ie, WLAN_EID_VENDOR_SPECIFIC);
+	len = wpabuf_put(ie, 1);
+	wpabuf_put_be32(ie, WPS_DEV_OUI_WFA);
+
+	if (wps_build_version(ie) ||
+	    wps_build_resp_type(ie, WPS_RESP_AP) ||
+	    wps_build_wfa_ext(ie, 0, NULL, 0)) {
+		wpabuf_free(ie);
+		return NULL;
+	}
+
+	*len = wpabuf_len(ie) - 2;
+
+	return ie;
+}
+
+
+/**
+ * wps_build_probe_req_ie - Build WPS IE for Probe Request
+ * @pbc: Whether searching for PBC mode APs
+ * @dev: Device attributes
+ * @uuid: Own UUID
+ * @req_type: Value for Request Type attribute
+ * @num_req_dev_types: Number of requested device types
+ * @req_dev_types: Requested device types (8 * num_req_dev_types octets) or
+ *	%NULL if none
+ * Returns: WPS IE or %NULL on failure
+ *
+ * The caller is responsible for freeing the buffer.
+ */
+struct wpabuf * wps_build_probe_req_ie(int pbc, struct wps_device_data *dev,
+				       const u8 *uuid,
+				       enum wps_request_type req_type,
+				       unsigned int num_req_dev_types,
+				       const u8 *req_dev_types)
+{
+	struct wpabuf *ie;
+	u16 methods = 0;
+
+	wpa_printf(MSG_DEBUG, "WPS: Building WPS IE for Probe Request");
+
+	ie = wpabuf_alloc(500);
+	if (ie == NULL)
+		return NULL;
+
+	methods |= WPS_CONFIG_PUSHBUTTON;
+#ifdef CONFIG_WPS2
+	/*
+	 * TODO: Should figure out whether this device has a physical or
+	 * virtual pushbutton.
+	 */
+	methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
+#endif /* CONFIG_WPS2 */
+
+	/*
+	 * TODO: Should figure out whether this Probe Request was triggered
+	 * using physical or virtual display. Also, if the device has a PIN on
+	 * a label, that should be indicated here.
+	 */
+	methods |= WPS_CONFIG_DISPLAY |
+#ifdef CONFIG_WPS2
+		WPS_CONFIG_VIRT_DISPLAY |
+#endif /* CONFIG_WPS2 */
+		WPS_CONFIG_KEYPAD;
+#ifdef CONFIG_WPS_UFD
+	methods |= WPS_CONFIG_USBA;
+#endif /* CONFIG_WPS_UFD */
+#ifdef CONFIG_WPS_NFC
+	methods |= WPS_CONFIG_NFC_INTERFACE;
+#endif /* CONFIG_WPS_NFC */
+
+	if (wps_build_version(ie) ||
+	    wps_build_req_type(ie, req_type) ||
+	    wps_build_config_methods(ie, methods) ||
+	    wps_build_uuid_e(ie, uuid) ||
+	    wps_build_primary_dev_type(dev, ie) ||
+	    wps_build_rf_bands(dev, ie) ||
+	    wps_build_assoc_state(NULL, ie) ||
+	    wps_build_config_error(ie, WPS_CFG_NO_ERROR) ||
+	    wps_build_dev_password_id(ie, pbc ? DEV_PW_PUSHBUTTON :
+				      DEV_PW_DEFAULT) ||
+#ifdef CONFIG_WPS2
+	    wps_build_manufacturer(dev, ie) ||
+	    wps_build_model_name(dev, ie) ||
+	    wps_build_model_number(dev, ie) ||
+	    wps_build_dev_name(dev, ie) ||
+	    wps_build_wfa_ext(ie, req_type == WPS_REQ_ENROLLEE, NULL, 0) ||
+#endif /* CONFIG_WPS2 */
+	    wps_build_req_dev_type(dev, ie, num_req_dev_types, req_dev_types)
+	    ||
+	    wps_build_secondary_dev_type(dev, ie)
+		) {
+		wpabuf_free(ie);
+		return NULL;
+	}
+
+#ifndef CONFIG_WPS2
+	if (dev->p2p && wps_build_dev_name(dev, ie)) {
+		wpabuf_free(ie);
+		return NULL;
+	}
+#endif /* CONFIG_WPS2 */
+
+	return wps_ie_encapsulate(ie);
+}
+
+
+void wps_free_pending_msgs(struct upnp_pending_message *msgs)
+{
+	struct upnp_pending_message *p, *prev;
+	p = msgs;
+	while (p) {
+		prev = p;
+		p = p->next;
+		wpabuf_free(prev->msg);
+		os_free(prev);
+	}
+}
+
+
+int wps_attr_text(struct wpabuf *data, char *buf, char *end)
+{
+	struct wps_parse_attr attr;
+	char *pos = buf;
+	int ret;
+
+	if (wps_parse_msg(data, &attr) < 0)
+		return -1;
+
+	if (attr.wps_state) {
+		if (*attr.wps_state == WPS_STATE_NOT_CONFIGURED)
+			ret = os_snprintf(pos, end - pos,
+					  "wps_state=unconfigured\n");
+		else if (*attr.wps_state == WPS_STATE_CONFIGURED)
+			ret = os_snprintf(pos, end - pos,
+					  "wps_state=configured\n");
+		else
+			ret = 0;
+		if (ret < 0 || ret >= end - pos)
+			return pos - buf;
+		pos += ret;
+	}
+
+	if (attr.ap_setup_locked && *attr.ap_setup_locked) {
+		ret = os_snprintf(pos, end - pos,
+				  "wps_ap_setup_locked=1\n");
+		if (ret < 0 || ret >= end - pos)
+			return pos - buf;
+		pos += ret;
+	}
+
+	if (attr.selected_registrar && *attr.selected_registrar) {
+		ret = os_snprintf(pos, end - pos,
+				  "wps_selected_registrar=1\n");
+		if (ret < 0 || ret >= end - pos)
+			return pos - buf;
+		pos += ret;
+	}
+
+	if (attr.dev_password_id) {
+		ret = os_snprintf(pos, end - pos,
+				  "wps_device_password_id=%u\n",
+				  WPA_GET_BE16(attr.dev_password_id));
+		if (ret < 0 || ret >= end - pos)
+			return pos - buf;
+		pos += ret;
+	}
+
+	if (attr.sel_reg_config_methods) {
+		ret = os_snprintf(pos, end - pos,
+				  "wps_selected_registrar_config_methods="
+				  "0x%04x\n",
+				  WPA_GET_BE16(attr.sel_reg_config_methods));
+		if (ret < 0 || ret >= end - pos)
+			return pos - buf;
+		pos += ret;
+	}
+
+	if (attr.primary_dev_type) {
+		char devtype[WPS_DEV_TYPE_BUFSIZE];
+		ret = os_snprintf(pos, end - pos,
+				  "wps_primary_device_type=%s\n",
+				  wps_dev_type_bin2str(attr.primary_dev_type,
+						       devtype,
+						       sizeof(devtype)));
+		if (ret < 0 || ret >= end - pos)
+			return pos - buf;
+		pos += ret;
+	}
+
+	if (attr.dev_name) {
+		char *str = os_malloc(attr.dev_name_len + 1);
+		size_t i;
+		if (str == NULL)
+			return pos - buf;
+		for (i = 0; i < attr.dev_name_len; i++) {
+			if (attr.dev_name[i] < 32)
+				str[i] = '_';
+			else
+				str[i] = attr.dev_name[i];
+		}
+		str[i] = '\0';
+		ret = os_snprintf(pos, end - pos, "wps_device_name=%s\n", str);
+		os_free(str);
+		if (ret < 0 || ret >= end - pos)
+			return pos - buf;
+		pos += ret;
+	}
+
+	if (attr.config_methods) {
+		ret = os_snprintf(pos, end - pos,
+				  "wps_config_methods=0x%04x\n",
+				  WPA_GET_BE16(attr.config_methods));
+		if (ret < 0 || ret >= end - pos)
+			return pos - buf;
+		pos += ret;
+	}
+
+	return pos - buf;
+}
diff --git a/src/wps/wps.h b/src/wps/wps.h
new file mode 100644
index 0000000..918273d
--- /dev/null
+++ b/src/wps/wps.h
@@ -0,0 +1,964 @@
+/*
+ * Wi-Fi Protected Setup
+ * Copyright (c) 2007-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef WPS_H
+#define WPS_H
+
+#include "wps_defs.h"
+
+/**
+ * enum wsc_op_code - EAP-WSC OP-Code values
+ */
+enum wsc_op_code {
+	WSC_UPnP = 0 /* No OP Code in UPnP transport */,
+	WSC_Start = 0x01,
+	WSC_ACK = 0x02,
+	WSC_NACK = 0x03,
+	WSC_MSG = 0x04,
+	WSC_Done = 0x05,
+	WSC_FRAG_ACK = 0x06
+};
+
+struct wps_registrar;
+struct upnp_wps_device_sm;
+struct wps_er;
+
+/**
+ * struct wps_credential - WPS Credential
+ * @ssid: SSID
+ * @ssid_len: Length of SSID
+ * @auth_type: Authentication Type (WPS_AUTH_OPEN, .. flags)
+ * @encr_type: Encryption Type (WPS_ENCR_NONE, .. flags)
+ * @key_idx: Key index
+ * @key: Key
+ * @key_len: Key length in octets
+ * @mac_addr: MAC address of the Credential receiver
+ * @cred_attr: Unparsed Credential attribute data (used only in cred_cb());
+ *	this may be %NULL, if not used
+ * @cred_attr_len: Length of cred_attr in octets
+ */
+struct wps_credential {
+	u8 ssid[32];
+	size_t ssid_len;
+	u16 auth_type;
+	u16 encr_type;
+	u8 key_idx;
+	u8 key[64];
+	size_t key_len;
+	u8 mac_addr[ETH_ALEN];
+	const u8 *cred_attr;
+	size_t cred_attr_len;
+};
+
+#define WPS_DEV_TYPE_LEN 8
+#define WPS_DEV_TYPE_BUFSIZE 21
+#define WPS_SEC_DEV_TYPE_MAX_LEN 128
+/* maximum number of advertised WPS vendor extension attributes */
+#define MAX_WPS_VENDOR_EXTENSIONS 10
+/* maximum size of WPS Vendor extension attribute */
+#define WPS_MAX_VENDOR_EXT_LEN 1024
+/* maximum number of parsed WPS vendor extension attributes */
+#define MAX_WPS_PARSE_VENDOR_EXT 10
+
+/**
+ * struct wps_device_data - WPS Device Data
+ * @mac_addr: Device MAC address
+ * @device_name: Device Name (0..32 octets encoded in UTF-8)
+ * @manufacturer: Manufacturer (0..64 octets encoded in UTF-8)
+ * @model_name: Model Name (0..32 octets encoded in UTF-8)
+ * @model_number: Model Number (0..32 octets encoded in UTF-8)
+ * @serial_number: Serial Number (0..32 octets encoded in UTF-8)
+ * @pri_dev_type: Primary Device Type
+ * @sec_dev_type: Array of secondary device types
+ * @num_sec_dev_type: Number of secondary device types
+ * @os_version: OS Version
+ * @rf_bands: RF bands (WPS_RF_24GHZ, WPS_RF_50GHZ flags)
+ * @p2p: Whether the device is a P2P device
+ */
+struct wps_device_data {
+	u8 mac_addr[ETH_ALEN];
+	char *device_name;
+	char *manufacturer;
+	char *model_name;
+	char *model_number;
+	char *serial_number;
+	u8 pri_dev_type[WPS_DEV_TYPE_LEN];
+#define WPS_SEC_DEVICE_TYPES 5
+	u8 sec_dev_type[WPS_SEC_DEVICE_TYPES][WPS_DEV_TYPE_LEN];
+	u8 num_sec_dev_types;
+	u32 os_version;
+	u8 rf_bands;
+	struct wpabuf *vendor_ext[MAX_WPS_VENDOR_EXTENSIONS];
+
+	int p2p;
+};
+
+struct oob_conf_data {
+	enum {
+		OOB_METHOD_UNKNOWN = 0,
+		OOB_METHOD_DEV_PWD_E,
+		OOB_METHOD_DEV_PWD_R,
+		OOB_METHOD_CRED,
+	} oob_method;
+	struct wpabuf *dev_password;
+	struct wpabuf *pubkey_hash;
+};
+
+/**
+ * struct wps_config - WPS configuration for a single registration protocol run
+ */
+struct wps_config {
+	/**
+	 * wps - Pointer to long term WPS context
+	 */
+	struct wps_context *wps;
+
+	/**
+	 * registrar - Whether this end is a Registrar
+	 */
+	int registrar;
+
+	/**
+	 * pin - Enrollee Device Password (%NULL for Registrar or PBC)
+	 */
+	const u8 *pin;
+
+	/**
+	 * pin_len - Length on pin in octets
+	 */
+	size_t pin_len;
+
+	/**
+	 * pbc - Whether this is protocol run uses PBC
+	 */
+	int pbc;
+
+	/**
+	 * assoc_wps_ie: (Re)AssocReq WPS IE (in AP; %NULL if not AP)
+	 */
+	const struct wpabuf *assoc_wps_ie;
+
+	/**
+	 * new_ap_settings - New AP settings (%NULL if not used)
+	 *
+	 * This parameter provides new AP settings when using a wireless
+	 * stations as a Registrar to configure the AP. %NULL means that AP
+	 * will not be reconfigured, i.e., the station will only learn the
+	 * current AP settings by using AP PIN.
+	 */
+	const struct wps_credential *new_ap_settings;
+
+	/**
+	 * peer_addr: MAC address of the peer in AP; %NULL if not AP
+	 */
+	const u8 *peer_addr;
+
+	/**
+	 * use_psk_key - Use PSK format key in Credential
+	 *
+	 * Force PSK format to be used instead of ASCII passphrase when
+	 * building Credential for an Enrollee. The PSK value is set in
+	 * struct wpa_context::psk.
+	 */
+	int use_psk_key;
+
+	/**
+	 * dev_pw_id - Device Password ID for Enrollee when PIN is used
+	 */
+	u16 dev_pw_id;
+
+	/**
+	 * p2p_dev_addr - P2P Device Address from (Re)Association Request
+	 *
+	 * On AP/GO, this is set to the P2P Device Address of the associating
+	 * P2P client if a P2P IE is included in the (Re)Association Request
+	 * frame and the P2P Device Address is included. Otherwise, this is set
+	 * to %NULL to indicate the station does not have a P2P Device Address.
+	 */
+	const u8 *p2p_dev_addr;
+};
+
+struct wps_data * wps_init(const struct wps_config *cfg);
+
+void wps_deinit(struct wps_data *data);
+
+/**
+ * enum wps_process_res - WPS message processing result
+ */
+enum wps_process_res {
+	/**
+	 * WPS_DONE - Processing done
+	 */
+	WPS_DONE,
+
+	/**
+	 * WPS_CONTINUE - Processing continues
+	 */
+	WPS_CONTINUE,
+
+	/**
+	 * WPS_FAILURE - Processing failed
+	 */
+	WPS_FAILURE,
+
+	/**
+	 * WPS_PENDING - Processing continues, but waiting for an external
+	 *	event (e.g., UPnP message from an external Registrar)
+	 */
+	WPS_PENDING
+};
+enum wps_process_res wps_process_msg(struct wps_data *wps,
+				     enum wsc_op_code op_code,
+				     const struct wpabuf *msg);
+
+struct wpabuf * wps_get_msg(struct wps_data *wps, enum wsc_op_code *op_code);
+
+int wps_is_selected_pbc_registrar(const struct wpabuf *msg);
+int wps_is_selected_pin_registrar(const struct wpabuf *msg);
+int wps_ap_priority_compar(const struct wpabuf *wps_a,
+			   const struct wpabuf *wps_b);
+int wps_is_addr_authorized(const struct wpabuf *msg, const u8 *addr,
+			   int ver1_compat);
+const u8 * wps_get_uuid_e(const struct wpabuf *msg);
+
+struct wpabuf * wps_build_assoc_req_ie(enum wps_request_type req_type);
+struct wpabuf * wps_build_assoc_resp_ie(void);
+struct wpabuf * wps_build_probe_req_ie(int pbc, struct wps_device_data *dev,
+				       const u8 *uuid,
+				       enum wps_request_type req_type,
+				       unsigned int num_req_dev_types,
+				       const u8 *req_dev_types);
+
+
+/**
+ * struct wps_registrar_config - WPS Registrar configuration
+ */
+struct wps_registrar_config {
+	/**
+	 * new_psk_cb - Callback for new PSK
+	 * @ctx: Higher layer context data (cb_ctx)
+	 * @mac_addr: MAC address of the Enrollee
+	 * @psk: The new PSK
+	 * @psk_len: The length of psk in octets
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This callback is called when a new per-device PSK is provisioned.
+	 */
+	int (*new_psk_cb)(void *ctx, const u8 *mac_addr, const u8 *psk,
+			  size_t psk_len);
+
+	/**
+	 * set_ie_cb - Callback for WPS IE changes
+	 * @ctx: Higher layer context data (cb_ctx)
+	 * @beacon_ie: WPS IE for Beacon
+	 * @probe_resp_ie: WPS IE for Probe Response
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This callback is called whenever the WPS IE in Beacon or Probe
+	 * Response frames needs to be changed (AP only). Callee is responsible
+	 * for freeing the buffers.
+	 */
+	int (*set_ie_cb)(void *ctx, struct wpabuf *beacon_ie,
+			 struct wpabuf *probe_resp_ie);
+
+	/**
+	 * pin_needed_cb - Callback for requesting a PIN
+	 * @ctx: Higher layer context data (cb_ctx)
+	 * @uuid_e: UUID-E of the unknown Enrollee
+	 * @dev: Device Data from the unknown Enrollee
+	 *
+	 * This callback is called whenever an unknown Enrollee requests to use
+	 * PIN method and a matching PIN (Device Password) is not found in
+	 * Registrar data.
+	 */
+	void (*pin_needed_cb)(void *ctx, const u8 *uuid_e,
+			      const struct wps_device_data *dev);
+
+	/**
+	 * reg_success_cb - Callback for reporting successful registration
+	 * @ctx: Higher layer context data (cb_ctx)
+	 * @mac_addr: MAC address of the Enrollee
+	 * @uuid_e: UUID-E of the Enrollee
+	 *
+	 * This callback is called whenever an Enrollee completes registration
+	 * successfully.
+	 */
+	void (*reg_success_cb)(void *ctx, const u8 *mac_addr,
+			       const u8 *uuid_e);
+
+	/**
+	 * set_sel_reg_cb - Callback for reporting selected registrar changes
+	 * @ctx: Higher layer context data (cb_ctx)
+	 * @sel_reg: Whether the Registrar is selected
+	 * @dev_passwd_id: Device Password ID to indicate with method or
+	 *	specific password the Registrar intends to use
+	 * @sel_reg_config_methods: Bit field of active config methods
+	 *
+	 * This callback is called whenever the Selected Registrar state
+	 * changes (e.g., a new PIN becomes available or PBC is invoked). This
+	 * callback is only used by External Registrar implementation;
+	 * set_ie_cb() is used by AP implementation in similar caes, but it
+	 * provides the full WPS IE data instead of just the minimal Registrar
+	 * state information.
+	 */
+	void (*set_sel_reg_cb)(void *ctx, int sel_reg, u16 dev_passwd_id,
+			       u16 sel_reg_config_methods);
+
+	/**
+	 * enrollee_seen_cb - Callback for reporting Enrollee based on ProbeReq
+	 * @ctx: Higher layer context data (cb_ctx)
+	 * @addr: MAC address of the Enrollee
+	 * @uuid_e: UUID of the Enrollee
+	 * @pri_dev_type: Primary device type
+	 * @config_methods: Config Methods
+	 * @dev_password_id: Device Password ID
+	 * @request_type: Request Type
+	 * @dev_name: Device Name (if available)
+	 */
+	void (*enrollee_seen_cb)(void *ctx, const u8 *addr, const u8 *uuid_e,
+				 const u8 *pri_dev_type, u16 config_methods,
+				 u16 dev_password_id, u8 request_type,
+				 const char *dev_name);
+
+	/**
+	 * cb_ctx: Higher layer context data for Registrar callbacks
+	 */
+	void *cb_ctx;
+
+	/**
+	 * skip_cred_build: Do not build credential
+	 *
+	 * This option can be used to disable internal code that builds
+	 * Credential attribute into M8 based on the current network
+	 * configuration and Enrollee capabilities. The extra_cred data will
+	 * then be used as the Credential(s).
+	 */
+	int skip_cred_build;
+
+	/**
+	 * extra_cred: Additional Credential attribute(s)
+	 *
+	 * This optional data (set to %NULL to disable) can be used to add
+	 * Credential attribute(s) for other networks into M8. If
+	 * skip_cred_build is set, this will also override the automatically
+	 * generated Credential attribute.
+	 */
+	const u8 *extra_cred;
+
+	/**
+	 * extra_cred_len: Length of extra_cred in octets
+	 */
+	size_t extra_cred_len;
+
+	/**
+	 * disable_auto_conf - Disable auto-configuration on first registration
+	 *
+	 * By default, the AP that is started in not configured state will
+	 * generate a random PSK and move to configured state when the first
+	 * registration protocol run is completed successfully. This option can
+	 * be used to disable this functionality and leave it up to an external
+	 * program to take care of configuration. This requires the extra_cred
+	 * to be set with a suitable Credential and skip_cred_build being used.
+	 */
+	int disable_auto_conf;
+
+	/**
+	 * static_wep_only - Whether the BSS supports only static WEP
+	 */
+	int static_wep_only;
+
+	/**
+	 * dualband - Whether this is a concurrent dualband AP
+	 */
+	int dualband;
+};
+
+
+/**
+ * enum wps_event - WPS event types
+ */
+enum wps_event {
+	/**
+	 * WPS_EV_M2D - M2D received (Registrar did not know us)
+	 */
+	WPS_EV_M2D,
+
+	/**
+	 * WPS_EV_FAIL - Registration failed
+	 */
+	WPS_EV_FAIL,
+
+	/**
+	 * WPS_EV_SUCCESS - Registration succeeded
+	 */
+	WPS_EV_SUCCESS,
+
+	/**
+	 * WPS_EV_PWD_AUTH_FAIL - Password authentication failed
+	 */
+	WPS_EV_PWD_AUTH_FAIL,
+
+	/**
+	 * WPS_EV_PBC_OVERLAP - PBC session overlap detected
+	 */
+	WPS_EV_PBC_OVERLAP,
+
+	/**
+	 * WPS_EV_PBC_TIMEOUT - PBC walktime expired before protocol run start
+	 */
+	WPS_EV_PBC_TIMEOUT,
+
+	/**
+	 * WPS_EV_ER_AP_ADD - ER: AP added
+	 */
+	WPS_EV_ER_AP_ADD,
+
+	/**
+	 * WPS_EV_ER_AP_REMOVE - ER: AP removed
+	 */
+	WPS_EV_ER_AP_REMOVE,
+
+	/**
+	 * WPS_EV_ER_ENROLLEE_ADD - ER: Enrollee added
+	 */
+	WPS_EV_ER_ENROLLEE_ADD,
+
+	/**
+	 * WPS_EV_ER_ENROLLEE_REMOVE - ER: Enrollee removed
+	 */
+	WPS_EV_ER_ENROLLEE_REMOVE,
+
+	/**
+	 * WPS_EV_ER_AP_SETTINGS - ER: AP Settings learned
+	 */
+	WPS_EV_ER_AP_SETTINGS,
+
+	/**
+	 * WPS_EV_ER_SET_SELECTED_REGISTRAR - ER: SetSelectedRegistrar event
+	 */
+	WPS_EV_ER_SET_SELECTED_REGISTRAR
+};
+
+/**
+ * union wps_event_data - WPS event data
+ */
+union wps_event_data {
+	/**
+	 * struct wps_event_m2d - M2D event data
+	 */
+	struct wps_event_m2d {
+		u16 config_methods;
+		const u8 *manufacturer;
+		size_t manufacturer_len;
+		const u8 *model_name;
+		size_t model_name_len;
+		const u8 *model_number;
+		size_t model_number_len;
+		const u8 *serial_number;
+		size_t serial_number_len;
+		const u8 *dev_name;
+		size_t dev_name_len;
+		const u8 *primary_dev_type; /* 8 octets */
+		u16 config_error;
+		u16 dev_password_id;
+	} m2d;
+
+	/**
+	 * struct wps_event_fail - Registration failure information
+	 * @msg: enum wps_msg_type
+	 */
+	struct wps_event_fail {
+		int msg;
+		u16 config_error;
+		u16 error_indication;
+	} fail;
+
+	struct wps_event_pwd_auth_fail {
+		int enrollee;
+		int part;
+	} pwd_auth_fail;
+
+	struct wps_event_er_ap {
+		const u8 *uuid;
+		const u8 *mac_addr;
+		const char *friendly_name;
+		const char *manufacturer;
+		const char *manufacturer_url;
+		const char *model_description;
+		const char *model_name;
+		const char *model_number;
+		const char *model_url;
+		const char *serial_number;
+		const char *upc;
+		const u8 *pri_dev_type;
+		u8 wps_state;
+	} ap;
+
+	struct wps_event_er_enrollee {
+		const u8 *uuid;
+		const u8 *mac_addr;
+		int m1_received;
+		u16 config_methods;
+		u16 dev_passwd_id;
+		const u8 *pri_dev_type;
+		const char *dev_name;
+		const char *manufacturer;
+		const char *model_name;
+		const char *model_number;
+		const char *serial_number;
+	} enrollee;
+
+	struct wps_event_er_ap_settings {
+		const u8 *uuid;
+		const struct wps_credential *cred;
+	} ap_settings;
+
+	struct wps_event_er_set_selected_registrar {
+		const u8 *uuid;
+		int sel_reg;
+		u16 dev_passwd_id;
+		u16 sel_reg_config_methods;
+		enum {
+			WPS_ER_SET_SEL_REG_START,
+			WPS_ER_SET_SEL_REG_DONE,
+			WPS_ER_SET_SEL_REG_FAILED
+		} state;
+	} set_sel_reg;
+};
+
+/**
+ * struct upnp_pending_message - Pending PutWLANResponse messages
+ * @next: Pointer to next pending message or %NULL
+ * @addr: NewWLANEventMAC
+ * @msg: NewMessage
+ * @type: Message Type
+ */
+struct upnp_pending_message {
+	struct upnp_pending_message *next;
+	u8 addr[ETH_ALEN];
+	struct wpabuf *msg;
+	enum wps_msg_type type;
+};
+
+/**
+ * struct wps_context - Long term WPS context data
+ *
+ * This data is stored at the higher layer Authenticator or Supplicant data
+ * structures and it is maintained over multiple registration protocol runs.
+ */
+struct wps_context {
+	/**
+	 * ap - Whether the local end is an access point
+	 */
+	int ap;
+
+	/**
+	 * registrar - Pointer to WPS registrar data from wps_registrar_init()
+	 */
+	struct wps_registrar *registrar;
+
+	/**
+	 * wps_state - Current WPS state
+	 */
+	enum wps_state wps_state;
+
+	/**
+	 * ap_setup_locked - Whether AP setup is locked (only used at AP)
+	 */
+	int ap_setup_locked;
+
+	/**
+	 * uuid - Own UUID
+	 */
+	u8 uuid[16];
+
+	/**
+	 * ssid - SSID
+	 *
+	 * This SSID is used by the Registrar to fill in information for
+	 * Credentials. In addition, AP uses it when acting as an Enrollee to
+	 * notify Registrar of the current configuration.
+	 */
+	u8 ssid[32];
+
+	/**
+	 * ssid_len - Length of ssid in octets
+	 */
+	size_t ssid_len;
+
+	/**
+	 * dev - Own WPS device data
+	 */
+	struct wps_device_data dev;
+
+	/**
+	 * oob_conf - OOB Config data
+	 */
+	struct oob_conf_data oob_conf;
+
+	/**
+	 * oob_dev_pw_id - OOB Device password id
+	 */
+	u16 oob_dev_pw_id;
+
+	/**
+	 * dh_ctx - Context data for Diffie-Hellman operation
+	 */
+	void *dh_ctx;
+
+	/**
+	 * dh_privkey - Diffie-Hellman private key
+	 */
+	struct wpabuf *dh_privkey;
+
+	/**
+	 * dh_pubkey_oob - Diffie-Hellman public key
+	 */
+	struct wpabuf *dh_pubkey;
+
+	/**
+	 * config_methods - Enabled configuration methods
+	 *
+	 * Bit field of WPS_CONFIG_*
+	 */
+	u16 config_methods;
+
+	/**
+	 * encr_types - Enabled encryption types (bit field of WPS_ENCR_*)
+	 */
+	u16 encr_types;
+
+	/**
+	 * auth_types - Authentication types (bit field of WPS_AUTH_*)
+	 */
+	u16 auth_types;
+
+	/**
+	 * network_key - The current Network Key (PSK) or %NULL to generate new
+	 *
+	 * If %NULL, Registrar will generate per-device PSK. In addition, AP
+	 * uses this when acting as an Enrollee to notify Registrar of the
+	 * current configuration.
+	 *
+	 * When using WPA/WPA2-Person, this key can be either the ASCII
+	 * passphrase (8..63 characters) or the 32-octet PSK (64 hex
+	 * characters). When this is set to the ASCII passphrase, the PSK can
+	 * be provided in the psk buffer and used per-Enrollee to control which
+	 * key type is included in the Credential (e.g., to reduce calculation
+	 * need on low-powered devices by provisioning PSK while still allowing
+	 * other devices to get the passphrase).
+	 */
+	u8 *network_key;
+
+	/**
+	 * network_key_len - Length of network_key in octets
+	 */
+	size_t network_key_len;
+
+	/**
+	 * psk - The current network PSK
+	 *
+	 * This optional value can be used to provide the current PSK if
+	 * network_key is set to the ASCII passphrase.
+	 */
+	u8 psk[32];
+
+	/**
+	 * psk_set - Whether psk value is set
+	 */
+	int psk_set;
+
+	/**
+	 * ap_settings - AP Settings override for M7 (only used at AP)
+	 *
+	 * If %NULL, AP Settings attributes will be generated based on the
+	 * current network configuration.
+	 */
+	u8 *ap_settings;
+
+	/**
+	 * ap_settings_len - Length of ap_settings in octets
+	 */
+	size_t ap_settings_len;
+
+	/**
+	 * friendly_name - Friendly Name (required for UPnP)
+	 */
+	char *friendly_name;
+
+	/**
+	 * manufacturer_url - Manufacturer URL (optional for UPnP)
+	 */
+	char *manufacturer_url;
+
+	/**
+	 * model_description - Model Description (recommended for UPnP)
+	 */
+	char *model_description;
+
+	/**
+	 * model_url - Model URL (optional for UPnP)
+	 */
+	char *model_url;
+
+	/**
+	 * upc - Universal Product Code (optional for UPnP)
+	 */
+	char *upc;
+
+	/**
+	 * cred_cb - Callback to notify that new Credentials were received
+	 * @ctx: Higher layer context data (cb_ctx)
+	 * @cred: The received Credential
+	 * Return: 0 on success, -1 on failure
+	 */
+	int (*cred_cb)(void *ctx, const struct wps_credential *cred);
+
+	/**
+	 * event_cb - Event callback (state information about progress)
+	 * @ctx: Higher layer context data (cb_ctx)
+	 * @event: Event type
+	 * @data: Event data
+	 */
+	void (*event_cb)(void *ctx, enum wps_event event,
+			 union wps_event_data *data);
+
+	/**
+	 * cb_ctx: Higher layer context data for callbacks
+	 */
+	void *cb_ctx;
+
+	struct upnp_wps_device_sm *wps_upnp;
+
+	/* Pending messages from UPnP PutWLANResponse */
+	struct upnp_pending_message *upnp_msgs;
+};
+
+struct oob_device_data {
+	char *device_name;
+	char *device_path;
+	void * (*init_func)(struct wps_context *, struct oob_device_data *,
+			    int);
+	struct wpabuf * (*read_func)(void *);
+	int (*write_func)(void *, struct wpabuf *);
+	void (*deinit_func)(void *);
+};
+
+struct oob_nfc_device_data {
+	int (*init_func)(char *);
+	void * (*read_func)(size_t *);
+	int (*write_func)(void *, size_t);
+	void (*deinit_func)(void);
+};
+
+struct wps_registrar *
+wps_registrar_init(struct wps_context *wps,
+		   const struct wps_registrar_config *cfg);
+void wps_registrar_deinit(struct wps_registrar *reg);
+int wps_registrar_add_pin(struct wps_registrar *reg, const u8 *addr,
+			  const u8 *uuid, const u8 *pin, size_t pin_len,
+			  int timeout);
+int wps_registrar_invalidate_pin(struct wps_registrar *reg, const u8 *uuid);
+int wps_registrar_wps_cancel(struct wps_registrar *reg);
+int wps_registrar_unlock_pin(struct wps_registrar *reg, const u8 *uuid);
+int wps_registrar_button_pushed(struct wps_registrar *reg,
+				const u8 *p2p_dev_addr);
+void wps_registrar_probe_req_rx(struct wps_registrar *reg, const u8 *addr,
+				const struct wpabuf *wps_data,
+				int p2p_wildcard);
+int wps_registrar_update_ie(struct wps_registrar *reg);
+int wps_registrar_get_info(struct wps_registrar *reg, const u8 *addr,
+			   char *buf, size_t buflen);
+int wps_registrar_config_ap(struct wps_registrar *reg,
+			    struct wps_credential *cred);
+
+unsigned int wps_pin_checksum(unsigned int pin);
+unsigned int wps_pin_valid(unsigned int pin);
+unsigned int wps_generate_pin(void);
+void wps_free_pending_msgs(struct upnp_pending_message *msgs);
+
+struct oob_device_data * wps_get_oob_device(char *device_type);
+struct oob_nfc_device_data * wps_get_oob_nfc_device(char *device_name);
+int wps_get_oob_method(char *method);
+int wps_process_oob(struct wps_context *wps, struct oob_device_data *oob_dev,
+		    int registrar);
+int wps_attr_text(struct wpabuf *data, char *buf, char *end);
+
+struct wps_er * wps_er_init(struct wps_context *wps, const char *ifname,
+			    const char *filter);
+void wps_er_refresh(struct wps_er *er);
+void wps_er_deinit(struct wps_er *er, void (*cb)(void *ctx), void *ctx);
+void wps_er_set_sel_reg(struct wps_er *er, int sel_reg, u16 dev_passwd_id,
+			u16 sel_reg_config_methods);
+int wps_er_pbc(struct wps_er *er, const u8 *uuid);
+int wps_er_learn(struct wps_er *er, const u8 *uuid, const u8 *pin,
+		 size_t pin_len);
+int wps_er_set_config(struct wps_er *er, const u8 *uuid,
+		      const struct wps_credential *cred);
+int wps_er_config(struct wps_er *er, const u8 *uuid, const u8 *pin,
+		  size_t pin_len, const struct wps_credential *cred);
+
+int wps_dev_type_str2bin(const char *str, u8 dev_type[WPS_DEV_TYPE_LEN]);
+char * wps_dev_type_bin2str(const u8 dev_type[WPS_DEV_TYPE_LEN], char *buf,
+			    size_t buf_len);
+void uuid_gen_mac_addr(const u8 *mac_addr, u8 *uuid);
+u16 wps_config_methods_str2bin(const char *str);
+
+#ifdef CONFIG_WPS_STRICT
+int wps_validate_beacon(const struct wpabuf *wps_ie);
+int wps_validate_beacon_probe_resp(const struct wpabuf *wps_ie, int probe,
+				   const u8 *addr);
+int wps_validate_probe_req(const struct wpabuf *wps_ie, const u8 *addr);
+int wps_validate_assoc_req(const struct wpabuf *wps_ie);
+int wps_validate_assoc_resp(const struct wpabuf *wps_ie);
+int wps_validate_m1(const struct wpabuf *tlvs);
+int wps_validate_m2(const struct wpabuf *tlvs);
+int wps_validate_m2d(const struct wpabuf *tlvs);
+int wps_validate_m3(const struct wpabuf *tlvs);
+int wps_validate_m4(const struct wpabuf *tlvs);
+int wps_validate_m4_encr(const struct wpabuf *tlvs, int wps2);
+int wps_validate_m5(const struct wpabuf *tlvs);
+int wps_validate_m5_encr(const struct wpabuf *tlvs, int wps2);
+int wps_validate_m6(const struct wpabuf *tlvs);
+int wps_validate_m6_encr(const struct wpabuf *tlvs, int wps2);
+int wps_validate_m7(const struct wpabuf *tlvs);
+int wps_validate_m7_encr(const struct wpabuf *tlvs, int ap, int wps2);
+int wps_validate_m8(const struct wpabuf *tlvs);
+int wps_validate_m8_encr(const struct wpabuf *tlvs, int ap, int wps2);
+int wps_validate_wsc_ack(const struct wpabuf *tlvs);
+int wps_validate_wsc_nack(const struct wpabuf *tlvs);
+int wps_validate_wsc_done(const struct wpabuf *tlvs);
+int wps_validate_upnp_set_selected_registrar(const struct wpabuf *tlvs);
+#else /* CONFIG_WPS_STRICT */
+static inline int wps_validate_beacon(const struct wpabuf *wps_ie){
+	return 0;
+}
+
+static inline int wps_validate_beacon_probe_resp(const struct wpabuf *wps_ie,
+						 int probe, const u8 *addr)
+{
+	return 0;
+}
+
+static inline int wps_validate_probe_req(const struct wpabuf *wps_ie,
+					 const u8 *addr)
+{
+	return 0;
+}
+
+static inline int wps_validate_assoc_req(const struct wpabuf *wps_ie)
+{
+	return 0;
+}
+
+static inline int wps_validate_assoc_resp(const struct wpabuf *wps_ie)
+{
+	return 0;
+}
+
+static inline int wps_validate_m1(const struct wpabuf *tlvs)
+{
+	return 0;
+}
+
+static inline int wps_validate_m2(const struct wpabuf *tlvs)
+{
+	return 0;
+}
+
+static inline int wps_validate_m2d(const struct wpabuf *tlvs)
+{
+	return 0;
+}
+
+static inline int wps_validate_m3(const struct wpabuf *tlvs)
+{
+	return 0;
+}
+
+static inline int wps_validate_m4(const struct wpabuf *tlvs)
+{
+	return 0;
+}
+
+static inline int wps_validate_m4_encr(const struct wpabuf *tlvs, int wps2)
+{
+	return 0;
+}
+
+static inline int wps_validate_m5(const struct wpabuf *tlvs)
+{
+	return 0;
+}
+
+static inline int wps_validate_m5_encr(const struct wpabuf *tlvs, int wps2)
+{
+	return 0;
+}
+
+static inline int wps_validate_m6(const struct wpabuf *tlvs)
+{
+	return 0;
+}
+
+static inline int wps_validate_m6_encr(const struct wpabuf *tlvs, int wps2)
+{
+	return 0;
+}
+
+static inline int wps_validate_m7(const struct wpabuf *tlvs)
+{
+	return 0;
+}
+
+static inline int wps_validate_m7_encr(const struct wpabuf *tlvs, int ap,
+				       int wps2)
+{
+	return 0;
+}
+
+static inline int wps_validate_m8(const struct wpabuf *tlvs)
+{
+	return 0;
+}
+
+static inline int wps_validate_m8_encr(const struct wpabuf *tlvs, int ap,
+				       int wps2)
+{
+	return 0;
+}
+
+static inline int wps_validate_wsc_ack(const struct wpabuf *tlvs)
+{
+	return 0;
+}
+
+static inline int wps_validate_wsc_nack(const struct wpabuf *tlvs)
+{
+	return 0;
+}
+
+static inline int wps_validate_wsc_done(const struct wpabuf *tlvs)
+{
+	return 0;
+}
+
+static inline int wps_validate_upnp_set_selected_registrar(
+	const struct wpabuf *tlvs)
+{
+	return 0;
+}
+#endif /* CONFIG_WPS_STRICT */
+
+#endif /* WPS_H */
diff --git a/src/wps/wps_attr_build.c b/src/wps/wps_attr_build.c
new file mode 100644
index 0000000..d2ca31a
--- /dev/null
+++ b/src/wps/wps_attr_build.c
@@ -0,0 +1,422 @@
+/*
+ * Wi-Fi Protected Setup - attribute building
+ * Copyright (c) 2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/aes_wrap.h"
+#include "crypto/crypto.h"
+#include "crypto/dh_group5.h"
+#include "crypto/sha256.h"
+#include "crypto/random.h"
+#include "common/ieee802_11_defs.h"
+#include "wps_i.h"
+
+
+int wps_build_public_key(struct wps_data *wps, struct wpabuf *msg)
+{
+	struct wpabuf *pubkey;
+
+	wpa_printf(MSG_DEBUG, "WPS:  * Public Key");
+	wpabuf_free(wps->dh_privkey);
+	if (wps->dev_pw_id != DEV_PW_DEFAULT && wps->wps->dh_privkey) {
+		wpa_printf(MSG_DEBUG, "WPS: Using pre-configured DH keys");
+		wps->dh_privkey = wpabuf_dup(wps->wps->dh_privkey);
+		wps->dh_ctx = wps->wps->dh_ctx;
+		wps->wps->dh_ctx = NULL;
+		pubkey = wpabuf_dup(wps->wps->dh_pubkey);
+	} else {
+		wpa_printf(MSG_DEBUG, "WPS: Generate new DH keys");
+		wps->dh_privkey = NULL;
+		dh5_free(wps->dh_ctx);
+		wps->dh_ctx = dh5_init(&wps->dh_privkey, &pubkey);
+		pubkey = wpabuf_zeropad(pubkey, 192);
+	}
+	if (wps->dh_ctx == NULL || wps->dh_privkey == NULL || pubkey == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: Failed to initialize "
+			   "Diffie-Hellman handshake");
+		wpabuf_free(pubkey);
+		return -1;
+	}
+	wpa_hexdump_buf_key(MSG_DEBUG, "WPS: DH Private Key", wps->dh_privkey);
+	wpa_hexdump_buf(MSG_DEBUG, "WPS: DH own Public Key", pubkey);
+
+	wpabuf_put_be16(msg, ATTR_PUBLIC_KEY);
+	wpabuf_put_be16(msg, wpabuf_len(pubkey));
+	wpabuf_put_buf(msg, pubkey);
+
+	if (wps->registrar) {
+		wpabuf_free(wps->dh_pubkey_r);
+		wps->dh_pubkey_r = pubkey;
+	} else {
+		wpabuf_free(wps->dh_pubkey_e);
+		wps->dh_pubkey_e = pubkey;
+	}
+
+	return 0;
+}
+
+
+int wps_build_req_type(struct wpabuf *msg, enum wps_request_type type)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * Request Type");
+	wpabuf_put_be16(msg, ATTR_REQUEST_TYPE);
+	wpabuf_put_be16(msg, 1);
+	wpabuf_put_u8(msg, type);
+	return 0;
+}
+
+
+int wps_build_resp_type(struct wpabuf *msg, enum wps_response_type type)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * Response Type (%d)", type);
+	wpabuf_put_be16(msg, ATTR_RESPONSE_TYPE);
+	wpabuf_put_be16(msg, 1);
+	wpabuf_put_u8(msg, type);
+	return 0;
+}
+
+
+int wps_build_config_methods(struct wpabuf *msg, u16 methods)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * Config Methods (%x)", methods);
+	wpabuf_put_be16(msg, ATTR_CONFIG_METHODS);
+	wpabuf_put_be16(msg, 2);
+	wpabuf_put_be16(msg, methods);
+	return 0;
+}
+
+
+int wps_build_uuid_e(struct wpabuf *msg, const u8 *uuid)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * UUID-E");
+	wpabuf_put_be16(msg, ATTR_UUID_E);
+	wpabuf_put_be16(msg, WPS_UUID_LEN);
+	wpabuf_put_data(msg, uuid, WPS_UUID_LEN);
+	return 0;
+}
+
+
+int wps_build_dev_password_id(struct wpabuf *msg, u16 id)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * Device Password ID (%d)", id);
+	wpabuf_put_be16(msg, ATTR_DEV_PASSWORD_ID);
+	wpabuf_put_be16(msg, 2);
+	wpabuf_put_be16(msg, id);
+	return 0;
+}
+
+
+int wps_build_config_error(struct wpabuf *msg, u16 err)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * Configuration Error (%d)", err);
+	wpabuf_put_be16(msg, ATTR_CONFIG_ERROR);
+	wpabuf_put_be16(msg, 2);
+	wpabuf_put_be16(msg, err);
+	return 0;
+}
+
+
+int wps_build_authenticator(struct wps_data *wps, struct wpabuf *msg)
+{
+	u8 hash[SHA256_MAC_LEN];
+	const u8 *addr[2];
+	size_t len[2];
+
+	if (wps->last_msg == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: Last message not available for "
+			   "building authenticator");
+		return -1;
+	}
+
+	/* Authenticator = HMAC-SHA256_AuthKey(M_prev || M_curr*)
+	 * (M_curr* is M_curr without the Authenticator attribute)
+	 */
+	addr[0] = wpabuf_head(wps->last_msg);
+	len[0] = wpabuf_len(wps->last_msg);
+	addr[1] = wpabuf_head(msg);
+	len[1] = wpabuf_len(msg);
+	hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 2, addr, len, hash);
+
+	wpa_printf(MSG_DEBUG, "WPS:  * Authenticator");
+	wpabuf_put_be16(msg, ATTR_AUTHENTICATOR);
+	wpabuf_put_be16(msg, WPS_AUTHENTICATOR_LEN);
+	wpabuf_put_data(msg, hash, WPS_AUTHENTICATOR_LEN);
+
+	return 0;
+}
+
+
+int wps_build_version(struct wpabuf *msg)
+{
+	/*
+	 * Note: This attribute is deprecated and set to hardcoded 0x10 for
+	 * backwards compatibility reasons. The real version negotiation is
+	 * done with Version2.
+	 */
+	wpa_printf(MSG_DEBUG, "WPS:  * Version (hardcoded 0x10)");
+	wpabuf_put_be16(msg, ATTR_VERSION);
+	wpabuf_put_be16(msg, 1);
+	wpabuf_put_u8(msg, 0x10);
+	return 0;
+}
+
+
+int wps_build_wfa_ext(struct wpabuf *msg, int req_to_enroll,
+		      const u8 *auth_macs, size_t auth_macs_count)
+{
+#ifdef CONFIG_WPS2
+	u8 *len;
+
+	wpabuf_put_be16(msg, ATTR_VENDOR_EXT);
+	len = wpabuf_put(msg, 2); /* to be filled */
+	wpabuf_put_be24(msg, WPS_VENDOR_ID_WFA);
+
+	wpa_printf(MSG_DEBUG, "WPS:  * Version2 (0x%x)", WPS_VERSION);
+	wpabuf_put_u8(msg, WFA_ELEM_VERSION2);
+	wpabuf_put_u8(msg, 1);
+	wpabuf_put_u8(msg, WPS_VERSION);
+
+	if (req_to_enroll) {
+		wpa_printf(MSG_DEBUG, "WPS:  * Request to Enroll (1)");
+		wpabuf_put_u8(msg, WFA_ELEM_REQUEST_TO_ENROLL);
+		wpabuf_put_u8(msg, 1);
+		wpabuf_put_u8(msg, 1);
+	}
+
+	if (auth_macs && auth_macs_count) {
+		size_t i;
+		wpa_printf(MSG_DEBUG, "WPS:  * AuthorizedMACs (count=%d)",
+			   (int) auth_macs_count);
+		wpabuf_put_u8(msg, WFA_ELEM_AUTHORIZEDMACS);
+		wpabuf_put_u8(msg, auth_macs_count * ETH_ALEN);
+		wpabuf_put_data(msg, auth_macs, auth_macs_count * ETH_ALEN);
+		for (i = 0; i < auth_macs_count; i++)
+			wpa_printf(MSG_DEBUG, "WPS:    AuthorizedMAC: " MACSTR,
+				   MAC2STR(&auth_macs[i * ETH_ALEN]));
+	}
+
+	WPA_PUT_BE16(len, (u8 *) wpabuf_put(msg, 0) - len - 2);
+#endif /* CONFIG_WPS2 */
+
+#ifdef CONFIG_WPS_TESTING
+	if (WPS_VERSION > 0x20) {
+		wpa_printf(MSG_DEBUG, "WPS:  * Extensibility Testing - extra "
+			   "attribute");
+		wpabuf_put_be16(msg, ATTR_EXTENSIBILITY_TEST);
+		wpabuf_put_be16(msg, 1);
+		wpabuf_put_u8(msg, 42);
+	}
+#endif /* CONFIG_WPS_TESTING */
+	return 0;
+}
+
+
+int wps_build_msg_type(struct wpabuf *msg, enum wps_msg_type msg_type)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * Message Type (%d)", msg_type);
+	wpabuf_put_be16(msg, ATTR_MSG_TYPE);
+	wpabuf_put_be16(msg, 1);
+	wpabuf_put_u8(msg, msg_type);
+	return 0;
+}
+
+
+int wps_build_enrollee_nonce(struct wps_data *wps, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * Enrollee Nonce");
+	wpabuf_put_be16(msg, ATTR_ENROLLEE_NONCE);
+	wpabuf_put_be16(msg, WPS_NONCE_LEN);
+	wpabuf_put_data(msg, wps->nonce_e, WPS_NONCE_LEN);
+	return 0;
+}
+
+
+int wps_build_registrar_nonce(struct wps_data *wps, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * Registrar Nonce");
+	wpabuf_put_be16(msg, ATTR_REGISTRAR_NONCE);
+	wpabuf_put_be16(msg, WPS_NONCE_LEN);
+	wpabuf_put_data(msg, wps->nonce_r, WPS_NONCE_LEN);
+	return 0;
+}
+
+
+int wps_build_auth_type_flags(struct wps_data *wps, struct wpabuf *msg)
+{
+	u16 auth_types = WPS_AUTH_TYPES;
+#ifdef CONFIG_WPS2
+	auth_types &= ~WPS_AUTH_SHARED;
+#endif /* CONFIG_WPS2 */
+	wpa_printf(MSG_DEBUG, "WPS:  * Authentication Type Flags");
+	wpabuf_put_be16(msg, ATTR_AUTH_TYPE_FLAGS);
+	wpabuf_put_be16(msg, 2);
+	wpabuf_put_be16(msg, auth_types);
+	return 0;
+}
+
+
+int wps_build_encr_type_flags(struct wps_data *wps, struct wpabuf *msg)
+{
+	u16 encr_types = WPS_ENCR_TYPES;
+#ifdef CONFIG_WPS2
+	encr_types &= ~WPS_ENCR_WEP;
+#endif /* CONFIG_WPS2 */
+	wpa_printf(MSG_DEBUG, "WPS:  * Encryption Type Flags");
+	wpabuf_put_be16(msg, ATTR_ENCR_TYPE_FLAGS);
+	wpabuf_put_be16(msg, 2);
+	wpabuf_put_be16(msg, encr_types);
+	return 0;
+}
+
+
+int wps_build_conn_type_flags(struct wps_data *wps, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * Connection Type Flags");
+	wpabuf_put_be16(msg, ATTR_CONN_TYPE_FLAGS);
+	wpabuf_put_be16(msg, 1);
+	wpabuf_put_u8(msg, WPS_CONN_ESS);
+	return 0;
+}
+
+
+int wps_build_assoc_state(struct wps_data *wps, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * Association State");
+	wpabuf_put_be16(msg, ATTR_ASSOC_STATE);
+	wpabuf_put_be16(msg, 2);
+	wpabuf_put_be16(msg, WPS_ASSOC_NOT_ASSOC);
+	return 0;
+}
+
+
+int wps_build_key_wrap_auth(struct wps_data *wps, struct wpabuf *msg)
+{
+	u8 hash[SHA256_MAC_LEN];
+
+	wpa_printf(MSG_DEBUG, "WPS:  * Key Wrap Authenticator");
+	hmac_sha256(wps->authkey, WPS_AUTHKEY_LEN, wpabuf_head(msg),
+		    wpabuf_len(msg), hash);
+
+	wpabuf_put_be16(msg, ATTR_KEY_WRAP_AUTH);
+	wpabuf_put_be16(msg, WPS_KWA_LEN);
+	wpabuf_put_data(msg, hash, WPS_KWA_LEN);
+	return 0;
+}
+
+
+int wps_build_encr_settings(struct wps_data *wps, struct wpabuf *msg,
+			    struct wpabuf *plain)
+{
+	size_t pad_len;
+	const size_t block_size = 16;
+	u8 *iv, *data;
+
+	wpa_printf(MSG_DEBUG, "WPS:  * Encrypted Settings");
+
+	/* PKCS#5 v2.0 pad */
+	pad_len = block_size - wpabuf_len(plain) % block_size;
+	os_memset(wpabuf_put(plain, pad_len), pad_len, pad_len);
+
+	wpabuf_put_be16(msg, ATTR_ENCR_SETTINGS);
+	wpabuf_put_be16(msg, block_size + wpabuf_len(plain));
+
+	iv = wpabuf_put(msg, block_size);
+	if (random_get_bytes(iv, block_size) < 0)
+		return -1;
+
+	data = wpabuf_put(msg, 0);
+	wpabuf_put_buf(msg, plain);
+	if (aes_128_cbc_encrypt(wps->keywrapkey, iv, data, wpabuf_len(plain)))
+		return -1;
+
+	return 0;
+}
+
+
+#ifdef CONFIG_WPS_OOB
+int wps_build_oob_dev_password(struct wpabuf *msg, struct wps_context *wps)
+{
+	size_t hash_len;
+	const u8 *addr[1];
+	u8 pubkey_hash[WPS_HASH_LEN];
+	u8 dev_password_bin[WPS_OOB_DEVICE_PASSWORD_LEN];
+
+	wpa_printf(MSG_DEBUG, "WPS:  * OOB Device Password");
+
+	addr[0] = wpabuf_head(wps->dh_pubkey);
+	hash_len = wpabuf_len(wps->dh_pubkey);
+	sha256_vector(1, addr, &hash_len, pubkey_hash);
+
+	if (os_get_random((u8 *) &wps->oob_dev_pw_id, sizeof(u16)) < 0) {
+		wpa_printf(MSG_ERROR, "WPS: device password id "
+			   "generation error");
+		return -1;
+	}
+	wps->oob_dev_pw_id |= 0x0010;
+
+	if (random_get_bytes(dev_password_bin, WPS_OOB_DEVICE_PASSWORD_LEN) <
+	    0) {
+		wpa_printf(MSG_ERROR, "WPS: OOB device password "
+			   "generation error");
+		return -1;
+	}
+
+	wpabuf_put_be16(msg, ATTR_OOB_DEVICE_PASSWORD);
+	wpabuf_put_be16(msg, WPS_OOB_DEVICE_PASSWORD_ATTR_LEN);
+	wpabuf_put_data(msg, pubkey_hash, WPS_OOB_PUBKEY_HASH_LEN);
+	wpabuf_put_be16(msg, wps->oob_dev_pw_id);
+	wpabuf_put_data(msg, dev_password_bin, WPS_OOB_DEVICE_PASSWORD_LEN);
+
+	wpa_snprintf_hex_uppercase(
+		wpabuf_put(wps->oob_conf.dev_password,
+			   wpabuf_size(wps->oob_conf.dev_password)),
+		wpabuf_size(wps->oob_conf.dev_password),
+		dev_password_bin, WPS_OOB_DEVICE_PASSWORD_LEN);
+
+	return 0;
+}
+#endif /* CONFIG_WPS_OOB */
+
+
+/* Encapsulate WPS IE data with one (or more, if needed) IE headers */
+struct wpabuf * wps_ie_encapsulate(struct wpabuf *data)
+{
+	struct wpabuf *ie;
+	const u8 *pos, *end;
+
+	ie = wpabuf_alloc(wpabuf_len(data) + 100);
+	if (ie == NULL) {
+		wpabuf_free(data);
+		return NULL;
+	}
+
+	pos = wpabuf_head(data);
+	end = pos + wpabuf_len(data);
+
+	while (end > pos) {
+		size_t frag_len = end - pos;
+		if (frag_len > 251)
+			frag_len = 251;
+		wpabuf_put_u8(ie, WLAN_EID_VENDOR_SPECIFIC);
+		wpabuf_put_u8(ie, 4 + frag_len);
+		wpabuf_put_be32(ie, WPS_DEV_OUI_WFA);
+		wpabuf_put_data(ie, pos, frag_len);
+		pos += frag_len;
+	}
+
+	wpabuf_free(data);
+
+	return ie;
+}
diff --git a/src/wps/wps_attr_parse.c b/src/wps/wps_attr_parse.c
new file mode 100644
index 0000000..7b462d3
--- /dev/null
+++ b/src/wps/wps_attr_parse.c
@@ -0,0 +1,630 @@
+/*
+ * Wi-Fi Protected Setup - attribute parsing
+ * Copyright (c) 2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "wps_i.h"
+
+#ifndef CONFIG_WPS_STRICT
+#define WPS_WORKAROUNDS
+#endif /* CONFIG_WPS_STRICT */
+
+
+static int wps_set_vendor_ext_wfa_subelem(struct wps_parse_attr *attr,
+					  u8 id, u8 len, const u8 *pos)
+{
+	wpa_printf(MSG_EXCESSIVE, "WPS: WFA subelement id=%u len=%u",
+		   id, len);
+	switch (id) {
+	case WFA_ELEM_VERSION2:
+		if (len != 1) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Version2 length "
+				   "%u", len);
+			return -1;
+		}
+		attr->version2 = pos;
+		break;
+	case WFA_ELEM_AUTHORIZEDMACS:
+		attr->authorized_macs = pos;
+		attr->authorized_macs_len = len;
+		break;
+	case WFA_ELEM_NETWORK_KEY_SHAREABLE:
+		if (len != 1) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Network Key "
+				   "Shareable length %u", len);
+			return -1;
+		}
+		attr->network_key_shareable = pos;
+		break;
+	case WFA_ELEM_REQUEST_TO_ENROLL:
+		if (len != 1) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Request to Enroll "
+				   "length %u", len);
+			return -1;
+		}
+		attr->request_to_enroll = pos;
+		break;
+	case WFA_ELEM_SETTINGS_DELAY_TIME:
+		if (len != 1) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Settings Delay "
+				   "Time length %u", len);
+			return -1;
+		}
+		attr->settings_delay_time = pos;
+		break;
+	default:
+		wpa_printf(MSG_MSGDUMP, "WPS: Skipped unknown WFA Vendor "
+			   "Extension subelement %u", id);
+		break;
+	}
+
+	return 0;
+}
+
+
+static int wps_parse_vendor_ext_wfa(struct wps_parse_attr *attr, const u8 *pos,
+				    u16 len)
+{
+	const u8 *end = pos + len;
+	u8 id, elen;
+
+	while (pos + 2 < end) {
+		id = *pos++;
+		elen = *pos++;
+		if (pos + elen > end)
+			break;
+		if (wps_set_vendor_ext_wfa_subelem(attr, id, elen, pos) < 0)
+			return -1;
+		pos += elen;
+	}
+
+	return 0;
+}
+
+
+static int wps_parse_vendor_ext(struct wps_parse_attr *attr, const u8 *pos,
+				u16 len)
+{
+	u32 vendor_id;
+
+	if (len < 3) {
+		wpa_printf(MSG_DEBUG, "WPS: Skip invalid Vendor Extension");
+		return 0;
+	}
+
+	vendor_id = WPA_GET_BE24(pos);
+	switch (vendor_id) {
+	case WPS_VENDOR_ID_WFA:
+		return wps_parse_vendor_ext_wfa(attr, pos + 3, len - 3);
+	}
+
+	/* Handle unknown vendor extensions */
+
+	wpa_printf(MSG_MSGDUMP, "WPS: Unknown Vendor Extension (Vendor ID %u)",
+		   vendor_id);
+
+	if (len > WPS_MAX_VENDOR_EXT_LEN) {
+		wpa_printf(MSG_DEBUG, "WPS: Too long Vendor Extension (%u)",
+			   len);
+		return -1;
+	}
+
+	if (attr->num_vendor_ext >= MAX_WPS_PARSE_VENDOR_EXT) {
+		wpa_printf(MSG_DEBUG, "WPS: Skipped Vendor Extension "
+			   "attribute (max %d vendor extensions)",
+			   MAX_WPS_PARSE_VENDOR_EXT);
+		return -1;
+	}
+	attr->vendor_ext[attr->num_vendor_ext] = pos;
+	attr->vendor_ext_len[attr->num_vendor_ext] = len;
+	attr->num_vendor_ext++;
+
+	return 0;
+}
+
+
+static int wps_set_attr(struct wps_parse_attr *attr, u16 type,
+			const u8 *pos, u16 len)
+{
+	switch (type) {
+	case ATTR_VERSION:
+		if (len != 1) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Version length %u",
+				   len);
+			return -1;
+		}
+		attr->version = pos;
+		break;
+	case ATTR_MSG_TYPE:
+		if (len != 1) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Message Type "
+				   "length %u", len);
+			return -1;
+		}
+		attr->msg_type = pos;
+		break;
+	case ATTR_ENROLLEE_NONCE:
+		if (len != WPS_NONCE_LEN) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Enrollee Nonce "
+				   "length %u", len);
+			return -1;
+		}
+		attr->enrollee_nonce = pos;
+		break;
+	case ATTR_REGISTRAR_NONCE:
+		if (len != WPS_NONCE_LEN) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Registrar Nonce "
+				   "length %u", len);
+			return -1;
+		}
+		attr->registrar_nonce = pos;
+		break;
+	case ATTR_UUID_E:
+		if (len != WPS_UUID_LEN) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid UUID-E length %u",
+				   len);
+			return -1;
+		}
+		attr->uuid_e = pos;
+		break;
+	case ATTR_UUID_R:
+		if (len != WPS_UUID_LEN) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid UUID-R length %u",
+				   len);
+			return -1;
+		}
+		attr->uuid_r = pos;
+		break;
+	case ATTR_AUTH_TYPE_FLAGS:
+		if (len != 2) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Authentication "
+				   "Type Flags length %u", len);
+			return -1;
+		}
+		attr->auth_type_flags = pos;
+		break;
+	case ATTR_ENCR_TYPE_FLAGS:
+		if (len != 2) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Encryption Type "
+				   "Flags length %u", len);
+			return -1;
+		}
+		attr->encr_type_flags = pos;
+		break;
+	case ATTR_CONN_TYPE_FLAGS:
+		if (len != 1) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Connection Type "
+				   "Flags length %u", len);
+			return -1;
+		}
+		attr->conn_type_flags = pos;
+		break;
+	case ATTR_CONFIG_METHODS:
+		if (len != 2) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Config Methods "
+				   "length %u", len);
+			return -1;
+		}
+		attr->config_methods = pos;
+		break;
+	case ATTR_SELECTED_REGISTRAR_CONFIG_METHODS:
+		if (len != 2) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Selected "
+				   "Registrar Config Methods length %u", len);
+			return -1;
+		}
+		attr->sel_reg_config_methods = pos;
+		break;
+	case ATTR_PRIMARY_DEV_TYPE:
+		if (len != WPS_DEV_TYPE_LEN) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Primary Device "
+				   "Type length %u", len);
+			return -1;
+		}
+		attr->primary_dev_type = pos;
+		break;
+	case ATTR_RF_BANDS:
+		if (len != 1) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid RF Bands length "
+				   "%u", len);
+			return -1;
+		}
+		attr->rf_bands = pos;
+		break;
+	case ATTR_ASSOC_STATE:
+		if (len != 2) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Association State "
+				   "length %u", len);
+			return -1;
+		}
+		attr->assoc_state = pos;
+		break;
+	case ATTR_CONFIG_ERROR:
+		if (len != 2) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Configuration "
+				   "Error length %u", len);
+			return -1;
+		}
+		attr->config_error = pos;
+		break;
+	case ATTR_DEV_PASSWORD_ID:
+		if (len != 2) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Device Password "
+				   "ID length %u", len);
+			return -1;
+		}
+		attr->dev_password_id = pos;
+		break;
+	case ATTR_OOB_DEVICE_PASSWORD:
+		if (len != WPS_OOB_DEVICE_PASSWORD_ATTR_LEN) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid OOB Device "
+				   "Password length %u", len);
+			return -1;
+		}
+		attr->oob_dev_password = pos;
+		break;
+	case ATTR_OS_VERSION:
+		if (len != 4) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid OS Version length "
+				   "%u", len);
+			return -1;
+		}
+		attr->os_version = pos;
+		break;
+	case ATTR_WPS_STATE:
+		if (len != 1) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Wi-Fi Protected "
+				   "Setup State length %u", len);
+			return -1;
+		}
+		attr->wps_state = pos;
+		break;
+	case ATTR_AUTHENTICATOR:
+		if (len != WPS_AUTHENTICATOR_LEN) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Authenticator "
+				   "length %u", len);
+			return -1;
+		}
+		attr->authenticator = pos;
+		break;
+	case ATTR_R_HASH1:
+		if (len != WPS_HASH_LEN) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid R-Hash1 length %u",
+				   len);
+			return -1;
+		}
+		attr->r_hash1 = pos;
+		break;
+	case ATTR_R_HASH2:
+		if (len != WPS_HASH_LEN) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid R-Hash2 length %u",
+				   len);
+			return -1;
+		}
+		attr->r_hash2 = pos;
+		break;
+	case ATTR_E_HASH1:
+		if (len != WPS_HASH_LEN) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid E-Hash1 length %u",
+				   len);
+			return -1;
+		}
+		attr->e_hash1 = pos;
+		break;
+	case ATTR_E_HASH2:
+		if (len != WPS_HASH_LEN) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid E-Hash2 length %u",
+				   len);
+			return -1;
+		}
+		attr->e_hash2 = pos;
+		break;
+	case ATTR_R_SNONCE1:
+		if (len != WPS_SECRET_NONCE_LEN) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid R-SNonce1 length "
+				   "%u", len);
+			return -1;
+		}
+		attr->r_snonce1 = pos;
+		break;
+	case ATTR_R_SNONCE2:
+		if (len != WPS_SECRET_NONCE_LEN) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid R-SNonce2 length "
+				   "%u", len);
+			return -1;
+		}
+		attr->r_snonce2 = pos;
+		break;
+	case ATTR_E_SNONCE1:
+		if (len != WPS_SECRET_NONCE_LEN) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid E-SNonce1 length "
+				   "%u", len);
+			return -1;
+		}
+		attr->e_snonce1 = pos;
+		break;
+	case ATTR_E_SNONCE2:
+		if (len != WPS_SECRET_NONCE_LEN) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid E-SNonce2 length "
+				   "%u", len);
+			return -1;
+		}
+		attr->e_snonce2 = pos;
+		break;
+	case ATTR_KEY_WRAP_AUTH:
+		if (len != WPS_KWA_LEN) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Key Wrap "
+				   "Authenticator length %u", len);
+			return -1;
+		}
+		attr->key_wrap_auth = pos;
+		break;
+	case ATTR_AUTH_TYPE:
+		if (len != 2) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Authentication "
+				   "Type length %u", len);
+			return -1;
+		}
+		attr->auth_type = pos;
+		break;
+	case ATTR_ENCR_TYPE:
+		if (len != 2) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Encryption "
+				   "Type length %u", len);
+			return -1;
+		}
+		attr->encr_type = pos;
+		break;
+	case ATTR_NETWORK_INDEX:
+		if (len != 1) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Network Index "
+				   "length %u", len);
+			return -1;
+		}
+		attr->network_idx = pos;
+		break;
+	case ATTR_NETWORK_KEY_INDEX:
+		if (len != 1) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Network Key Index "
+				   "length %u", len);
+			return -1;
+		}
+		attr->network_key_idx = pos;
+		break;
+	case ATTR_MAC_ADDR:
+		if (len != ETH_ALEN) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid MAC Address "
+				   "length %u", len);
+			return -1;
+		}
+		attr->mac_addr = pos;
+		break;
+	case ATTR_KEY_PROVIDED_AUTO:
+		if (len != 1) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Key Provided "
+				   "Automatically length %u", len);
+			return -1;
+		}
+		attr->key_prov_auto = pos;
+		break;
+	case ATTR_802_1X_ENABLED:
+		if (len != 1) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid 802.1X Enabled "
+				   "length %u", len);
+			return -1;
+		}
+		attr->dot1x_enabled = pos;
+		break;
+	case ATTR_SELECTED_REGISTRAR:
+		if (len != 1) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Selected Registrar"
+				   " length %u", len);
+			return -1;
+		}
+		attr->selected_registrar = pos;
+		break;
+	case ATTR_REQUEST_TYPE:
+		if (len != 1) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Request Type "
+				   "length %u", len);
+			return -1;
+		}
+		attr->request_type = pos;
+		break;
+	case ATTR_RESPONSE_TYPE:
+		if (len != 1) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Response Type "
+				   "length %u", len);
+			return -1;
+		}
+		attr->response_type = pos;
+		break;
+	case ATTR_MANUFACTURER:
+		attr->manufacturer = pos;
+		attr->manufacturer_len = len;
+		break;
+	case ATTR_MODEL_NAME:
+		attr->model_name = pos;
+		attr->model_name_len = len;
+		break;
+	case ATTR_MODEL_NUMBER:
+		attr->model_number = pos;
+		attr->model_number_len = len;
+		break;
+	case ATTR_SERIAL_NUMBER:
+		attr->serial_number = pos;
+		attr->serial_number_len = len;
+		break;
+	case ATTR_DEV_NAME:
+		attr->dev_name = pos;
+		attr->dev_name_len = len;
+		break;
+	case ATTR_PUBLIC_KEY:
+		attr->public_key = pos;
+		attr->public_key_len = len;
+		break;
+	case ATTR_ENCR_SETTINGS:
+		attr->encr_settings = pos;
+		attr->encr_settings_len = len;
+		break;
+	case ATTR_CRED:
+		if (attr->num_cred >= MAX_CRED_COUNT) {
+			wpa_printf(MSG_DEBUG, "WPS: Skipped Credential "
+				   "attribute (max %d credentials)",
+				   MAX_CRED_COUNT);
+			break;
+		}
+		attr->cred[attr->num_cred] = pos;
+		attr->cred_len[attr->num_cred] = len;
+		attr->num_cred++;
+		break;
+	case ATTR_SSID:
+		attr->ssid = pos;
+		attr->ssid_len = len;
+		break;
+	case ATTR_NETWORK_KEY:
+		attr->network_key = pos;
+		attr->network_key_len = len;
+		break;
+	case ATTR_EAP_TYPE:
+		attr->eap_type = pos;
+		attr->eap_type_len = len;
+		break;
+	case ATTR_EAP_IDENTITY:
+		attr->eap_identity = pos;
+		attr->eap_identity_len = len;
+		break;
+	case ATTR_AP_SETUP_LOCKED:
+		if (len != 1) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid AP Setup Locked "
+				   "length %u", len);
+			return -1;
+		}
+		attr->ap_setup_locked = pos;
+		break;
+	case ATTR_REQUESTED_DEV_TYPE:
+		if (len != WPS_DEV_TYPE_LEN) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Requested Device "
+				   "Type length %u", len);
+			return -1;
+		}
+		if (attr->num_req_dev_type >= MAX_REQ_DEV_TYPE_COUNT) {
+			wpa_printf(MSG_DEBUG, "WPS: Skipped Requested Device "
+				   "Type attribute (max %u types)",
+				   MAX_REQ_DEV_TYPE_COUNT);
+			break;
+		}
+		attr->req_dev_type[attr->num_req_dev_type] = pos;
+		attr->num_req_dev_type++;
+		break;
+	case ATTR_SECONDARY_DEV_TYPE_LIST:
+		if (len > WPS_SEC_DEV_TYPE_MAX_LEN ||
+		    (len % WPS_DEV_TYPE_LEN) > 0) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid Secondary Device "
+				   "Type length %u", len);
+			return -1;
+		}
+		attr->sec_dev_type_list = pos;
+		attr->sec_dev_type_list_len = len;
+		break;
+	case ATTR_VENDOR_EXT:
+		if (wps_parse_vendor_ext(attr, pos, len) < 0)
+			return -1;
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "WPS: Unsupported attribute type 0x%x "
+			   "len=%u", type, len);
+		break;
+	}
+
+	return 0;
+}
+
+
+int wps_parse_msg(const struct wpabuf *msg, struct wps_parse_attr *attr)
+{
+	const u8 *pos, *end;
+	u16 type, len;
+	u16 prev_type = 0;
+
+	os_memset(attr, 0, sizeof(*attr));
+	pos = wpabuf_head(msg);
+	end = pos + wpabuf_len(msg);
+
+	while (pos < end) {
+		if (end - pos < 4) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid message - "
+				   "%lu bytes remaining",
+				   (unsigned long) (end - pos));
+			return -1;
+		}
+
+		type = WPA_GET_BE16(pos);
+		pos += 2;
+		len = WPA_GET_BE16(pos);
+		pos += 2;
+		wpa_printf(MSG_EXCESSIVE, "WPS: attr type=0x%x len=%u",
+			   type, len);
+		if (len > end - pos) {
+			wpa_printf(MSG_DEBUG, "WPS: Attribute overflow");
+			wpa_hexdump_buf(MSG_MSGDUMP, "WPS: Message data", msg);
+#ifdef WPS_WORKAROUNDS
+			/*
+			 * Some deployed APs seem to have a bug in encoding of
+			 * Network Key attribute in the Credential attribute
+			 * where they add an extra octet after the Network Key
+			 * attribute at least when open network is being
+			 * provisioned.
+			 */
+			if ((type & 0xff00) != 0x1000 &&
+			    prev_type == ATTR_NETWORK_KEY) {
+				wpa_printf(MSG_DEBUG, "WPS: Workaround - try "
+					   "to skip unexpected octet after "
+					   "Network Key");
+				pos -= 3;
+				continue;
+			}
+#endif /* WPS_WORKAROUNDS */
+			return -1;
+		}
+
+#ifdef WPS_WORKAROUNDS
+		if (type == 0 && len == 0) {
+			/*
+			 * Mac OS X 10.6 seems to be adding 0x00 padding to the
+			 * end of M1. Skip those to avoid interop issues.
+			 */
+			int i;
+			for (i = 0; i < end - pos; i++) {
+				if (pos[i])
+					break;
+			}
+			if (i == end - pos) {
+				wpa_printf(MSG_DEBUG, "WPS: Workaround - skip "
+					   "unexpected message padding");
+				break;
+			}
+		}
+#endif /* WPS_WORKAROUNDS */
+
+		if (wps_set_attr(attr, type, pos, len) < 0)
+			return -1;
+
+		prev_type = type;
+		pos += len;
+	}
+
+	return 0;
+}
diff --git a/src/wps/wps_attr_process.c b/src/wps/wps_attr_process.c
new file mode 100644
index 0000000..07e087d
--- /dev/null
+++ b/src/wps/wps_attr_process.c
@@ -0,0 +1,335 @@
+/*
+ * Wi-Fi Protected Setup - attribute processing
+ * Copyright (c) 2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/sha256.h"
+#include "wps_i.h"
+
+
+int wps_process_authenticator(struct wps_data *wps, const u8 *authenticator,
+			      const struct wpabuf *msg)
+{
+	u8 hash[SHA256_MAC_LEN];
+	const u8 *addr[2];
+	size_t len[2];
+
+	if (authenticator == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Authenticator attribute "
+			   "included");
+		return -1;
+	}
+
+	if (wps->last_msg == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: Last message not available for "
+			   "validating authenticator");
+		return -1;
+	}
+
+	/* Authenticator = HMAC-SHA256_AuthKey(M_prev || M_curr*)
+	 * (M_curr* is M_curr without the Authenticator attribute)
+	 */
+	addr[0] = wpabuf_head(wps->last_msg);
+	len[0] = wpabuf_len(wps->last_msg);
+	addr[1] = wpabuf_head(msg);
+	len[1] = wpabuf_len(msg) - 4 - WPS_AUTHENTICATOR_LEN;
+	hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 2, addr, len, hash);
+
+	if (os_memcmp(hash, authenticator, WPS_AUTHENTICATOR_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "WPS: Incorrect Authenticator");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int wps_process_key_wrap_auth(struct wps_data *wps, struct wpabuf *msg,
+			      const u8 *key_wrap_auth)
+{
+	u8 hash[SHA256_MAC_LEN];
+	const u8 *head;
+	size_t len;
+
+	if (key_wrap_auth == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No KWA in decrypted attribute");
+		return -1;
+	}
+
+	head = wpabuf_head(msg);
+	len = wpabuf_len(msg) - 4 - WPS_KWA_LEN;
+	if (head + len != key_wrap_auth - 4) {
+		wpa_printf(MSG_DEBUG, "WPS: KWA not in the end of the "
+			   "decrypted attribute");
+		return -1;
+	}
+
+	hmac_sha256(wps->authkey, WPS_AUTHKEY_LEN, head, len, hash);
+	if (os_memcmp(hash, key_wrap_auth, WPS_KWA_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "WPS: Invalid KWA");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int wps_process_cred_network_idx(struct wps_credential *cred,
+					const u8 *idx)
+{
+	if (idx == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: Credential did not include "
+			   "Network Index");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS: Network Index: %d", *idx);
+
+	return 0;
+}
+
+
+static int wps_process_cred_ssid(struct wps_credential *cred, const u8 *ssid,
+				 size_t ssid_len)
+{
+	if (ssid == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: Credential did not include SSID");
+		return -1;
+	}
+
+	/* Remove zero-padding since some Registrar implementations seem to use
+	 * hardcoded 32-octet length for this attribute */
+	while (ssid_len > 0 && ssid[ssid_len - 1] == 0)
+		ssid_len--;
+
+	wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", ssid, ssid_len);
+	if (ssid_len <= sizeof(cred->ssid)) {
+		os_memcpy(cred->ssid, ssid, ssid_len);
+		cred->ssid_len = ssid_len;
+	}
+
+	return 0;
+}
+
+
+static int wps_process_cred_auth_type(struct wps_credential *cred,
+				      const u8 *auth_type)
+{
+	if (auth_type == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: Credential did not include "
+			   "Authentication Type");
+		return -1;
+	}
+
+	cred->auth_type = WPA_GET_BE16(auth_type);
+	wpa_printf(MSG_DEBUG, "WPS: Authentication Type: 0x%x",
+		   cred->auth_type);
+
+	return 0;
+}
+
+
+static int wps_process_cred_encr_type(struct wps_credential *cred,
+				      const u8 *encr_type)
+{
+	if (encr_type == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: Credential did not include "
+			   "Encryption Type");
+		return -1;
+	}
+
+	cred->encr_type = WPA_GET_BE16(encr_type);
+	wpa_printf(MSG_DEBUG, "WPS: Encryption Type: 0x%x",
+		   cred->encr_type);
+
+	return 0;
+}
+
+
+static int wps_process_cred_network_key_idx(struct wps_credential *cred,
+					    const u8 *key_idx)
+{
+	if (key_idx == NULL)
+		return 0; /* optional attribute */
+
+	wpa_printf(MSG_DEBUG, "WPS: Network Key Index: %d", *key_idx);
+	cred->key_idx = *key_idx;
+
+	return 0;
+}
+
+
+static int wps_process_cred_network_key(struct wps_credential *cred,
+					const u8 *key, size_t key_len)
+{
+	if (key == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: Credential did not include "
+			   "Network Key");
+		if (cred->auth_type == WPS_AUTH_OPEN &&
+		    cred->encr_type == WPS_ENCR_NONE) {
+			wpa_printf(MSG_DEBUG, "WPS: Workaround - Allow "
+				   "missing mandatory Network Key attribute "
+				   "for open network");
+			return 0;
+		}
+		return -1;
+	}
+
+	wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key", key, key_len);
+	if (key_len <= sizeof(cred->key)) {
+		os_memcpy(cred->key, key, key_len);
+		cred->key_len = key_len;
+	}
+
+	return 0;
+}
+
+
+static int wps_process_cred_mac_addr(struct wps_credential *cred,
+				     const u8 *mac_addr)
+{
+	if (mac_addr == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: Credential did not include "
+			   "MAC Address");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR, MAC2STR(mac_addr));
+	os_memcpy(cred->mac_addr, mac_addr, ETH_ALEN);
+
+	return 0;
+}
+
+
+static int wps_process_cred_eap_type(struct wps_credential *cred,
+				     const u8 *eap_type, size_t eap_type_len)
+{
+	if (eap_type == NULL)
+		return 0; /* optional attribute */
+
+	wpa_hexdump(MSG_DEBUG, "WPS: EAP Type", eap_type, eap_type_len);
+
+	return 0;
+}
+
+
+static int wps_process_cred_eap_identity(struct wps_credential *cred,
+					 const u8 *identity,
+					 size_t identity_len)
+{
+	if (identity == NULL)
+		return 0; /* optional attribute */
+
+	wpa_hexdump_ascii(MSG_DEBUG, "WPS: EAP Identity",
+			  identity, identity_len);
+
+	return 0;
+}
+
+
+static int wps_process_cred_key_prov_auto(struct wps_credential *cred,
+					  const u8 *key_prov_auto)
+{
+	if (key_prov_auto == NULL)
+		return 0; /* optional attribute */
+
+	wpa_printf(MSG_DEBUG, "WPS: Key Provided Automatically: %d",
+		   *key_prov_auto);
+
+	return 0;
+}
+
+
+static int wps_process_cred_802_1x_enabled(struct wps_credential *cred,
+					   const u8 *dot1x_enabled)
+{
+	if (dot1x_enabled == NULL)
+		return 0; /* optional attribute */
+
+	wpa_printf(MSG_DEBUG, "WPS: 802.1X Enabled: %d", *dot1x_enabled);
+
+	return 0;
+}
+
+
+static int wps_workaround_cred_key(struct wps_credential *cred)
+{
+	if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK) &&
+	    cred->key_len > 8 && cred->key_len < 64 &&
+	    cred->key[cred->key_len - 1] == 0) {
+#ifdef CONFIG_WPS_STRICT
+		wpa_printf(MSG_INFO, "WPS: WPA/WPA2-Personal passphrase uses "
+			   "forbidden NULL termination");
+		wpa_hexdump_ascii_key(MSG_INFO, "WPS: Network Key",
+				      cred->key, cred->key_len);
+		return -1;
+#else /* CONFIG_WPS_STRICT */
+		/*
+		 * A deployed external registrar is known to encode ASCII
+		 * passphrases incorrectly. Remove the extra NULL termination
+		 * to fix the encoding.
+		 */
+		wpa_printf(MSG_DEBUG, "WPS: Workaround - remove NULL "
+			   "termination from ASCII passphrase");
+		cred->key_len--;
+#endif /* CONFIG_WPS_STRICT */
+	}
+	return 0;
+}
+
+
+int wps_process_cred(struct wps_parse_attr *attr,
+		     struct wps_credential *cred)
+{
+	wpa_printf(MSG_DEBUG, "WPS: Process Credential");
+
+	/* TODO: support multiple Network Keys */
+	if (wps_process_cred_network_idx(cred, attr->network_idx) ||
+	    wps_process_cred_ssid(cred, attr->ssid, attr->ssid_len) ||
+	    wps_process_cred_auth_type(cred, attr->auth_type) ||
+	    wps_process_cred_encr_type(cred, attr->encr_type) ||
+	    wps_process_cred_network_key_idx(cred, attr->network_key_idx) ||
+	    wps_process_cred_network_key(cred, attr->network_key,
+					 attr->network_key_len) ||
+	    wps_process_cred_mac_addr(cred, attr->mac_addr) ||
+	    wps_process_cred_eap_type(cred, attr->eap_type,
+				      attr->eap_type_len) ||
+	    wps_process_cred_eap_identity(cred, attr->eap_identity,
+					  attr->eap_identity_len) ||
+	    wps_process_cred_key_prov_auto(cred, attr->key_prov_auto) ||
+	    wps_process_cred_802_1x_enabled(cred, attr->dot1x_enabled))
+		return -1;
+
+	return wps_workaround_cred_key(cred);
+}
+
+
+int wps_process_ap_settings(struct wps_parse_attr *attr,
+			    struct wps_credential *cred)
+{
+	wpa_printf(MSG_DEBUG, "WPS: Processing AP Settings");
+	os_memset(cred, 0, sizeof(*cred));
+	/* TODO: optional attributes New Password and Device Password ID */
+	if (wps_process_cred_ssid(cred, attr->ssid, attr->ssid_len) ||
+	    wps_process_cred_auth_type(cred, attr->auth_type) ||
+	    wps_process_cred_encr_type(cred, attr->encr_type) ||
+	    wps_process_cred_network_key_idx(cred, attr->network_key_idx) ||
+	    wps_process_cred_network_key(cred, attr->network_key,
+					 attr->network_key_len) ||
+	    wps_process_cred_mac_addr(cred, attr->mac_addr))
+		return -1;
+
+	return wps_workaround_cred_key(cred);
+}
diff --git a/src/wps/wps_common.c b/src/wps/wps_common.c
new file mode 100644
index 0000000..5d0508c
--- /dev/null
+++ b/src/wps/wps_common.c
@@ -0,0 +1,704 @@
+/*
+ * Wi-Fi Protected Setup - common functionality
+ * Copyright (c) 2008-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/aes_wrap.h"
+#include "crypto/crypto.h"
+#include "crypto/dh_group5.h"
+#include "crypto/sha1.h"
+#include "crypto/sha256.h"
+#include "crypto/random.h"
+#include "wps_i.h"
+#include "wps_dev_attr.h"
+
+
+void wps_kdf(const u8 *key, const u8 *label_prefix, size_t label_prefix_len,
+	     const char *label, u8 *res, size_t res_len)
+{
+	u8 i_buf[4], key_bits[4];
+	const u8 *addr[4];
+	size_t len[4];
+	int i, iter;
+	u8 hash[SHA256_MAC_LEN], *opos;
+	size_t left;
+
+	WPA_PUT_BE32(key_bits, res_len * 8);
+
+	addr[0] = i_buf;
+	len[0] = sizeof(i_buf);
+	addr[1] = label_prefix;
+	len[1] = label_prefix_len;
+	addr[2] = (const u8 *) label;
+	len[2] = os_strlen(label);
+	addr[3] = key_bits;
+	len[3] = sizeof(key_bits);
+
+	iter = (res_len + SHA256_MAC_LEN - 1) / SHA256_MAC_LEN;
+	opos = res;
+	left = res_len;
+
+	for (i = 1; i <= iter; i++) {
+		WPA_PUT_BE32(i_buf, i);
+		hmac_sha256_vector(key, SHA256_MAC_LEN, 4, addr, len, hash);
+		if (i < iter) {
+			os_memcpy(opos, hash, SHA256_MAC_LEN);
+			opos += SHA256_MAC_LEN;
+			left -= SHA256_MAC_LEN;
+		} else
+			os_memcpy(opos, hash, left);
+	}
+}
+
+
+int wps_derive_keys(struct wps_data *wps)
+{
+	struct wpabuf *pubkey, *dh_shared;
+	u8 dhkey[SHA256_MAC_LEN], kdk[SHA256_MAC_LEN];
+	const u8 *addr[3];
+	size_t len[3];
+	u8 keys[WPS_AUTHKEY_LEN + WPS_KEYWRAPKEY_LEN + WPS_EMSK_LEN];
+
+	if (wps->dh_privkey == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: Own DH private key not available");
+		return -1;
+	}
+
+	pubkey = wps->registrar ? wps->dh_pubkey_e : wps->dh_pubkey_r;
+	if (pubkey == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: Peer DH public key not available");
+		return -1;
+	}
+
+	wpa_hexdump_buf_key(MSG_DEBUG, "WPS: DH Private Key", wps->dh_privkey);
+	wpa_hexdump_buf(MSG_DEBUG, "WPS: DH peer Public Key", pubkey);
+	dh_shared = dh5_derive_shared(wps->dh_ctx, pubkey, wps->dh_privkey);
+	dh5_free(wps->dh_ctx);
+	wps->dh_ctx = NULL;
+	dh_shared = wpabuf_zeropad(dh_shared, 192);
+	if (dh_shared == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: Failed to derive DH shared key");
+		return -1;
+	}
+
+	/* Own DH private key is not needed anymore */
+	wpabuf_free(wps->dh_privkey);
+	wps->dh_privkey = NULL;
+
+	wpa_hexdump_buf_key(MSG_DEBUG, "WPS: DH shared key", dh_shared);
+
+	/* DHKey = SHA-256(g^AB mod p) */
+	addr[0] = wpabuf_head(dh_shared);
+	len[0] = wpabuf_len(dh_shared);
+	sha256_vector(1, addr, len, dhkey);
+	wpa_hexdump_key(MSG_DEBUG, "WPS: DHKey", dhkey, sizeof(dhkey));
+	wpabuf_free(dh_shared);
+
+	/* KDK = HMAC-SHA-256_DHKey(N1 || EnrolleeMAC || N2) */
+	addr[0] = wps->nonce_e;
+	len[0] = WPS_NONCE_LEN;
+	addr[1] = wps->mac_addr_e;
+	len[1] = ETH_ALEN;
+	addr[2] = wps->nonce_r;
+	len[2] = WPS_NONCE_LEN;
+	hmac_sha256_vector(dhkey, sizeof(dhkey), 3, addr, len, kdk);
+	wpa_hexdump_key(MSG_DEBUG, "WPS: KDK", kdk, sizeof(kdk));
+
+	wps_kdf(kdk, NULL, 0, "Wi-Fi Easy and Secure Key Derivation",
+		keys, sizeof(keys));
+	os_memcpy(wps->authkey, keys, WPS_AUTHKEY_LEN);
+	os_memcpy(wps->keywrapkey, keys + WPS_AUTHKEY_LEN, WPS_KEYWRAPKEY_LEN);
+	os_memcpy(wps->emsk, keys + WPS_AUTHKEY_LEN + WPS_KEYWRAPKEY_LEN,
+		  WPS_EMSK_LEN);
+
+	wpa_hexdump_key(MSG_DEBUG, "WPS: AuthKey",
+			wps->authkey, WPS_AUTHKEY_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "WPS: KeyWrapKey",
+			wps->keywrapkey, WPS_KEYWRAPKEY_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "WPS: EMSK", wps->emsk, WPS_EMSK_LEN);
+
+	return 0;
+}
+
+
+void wps_derive_psk(struct wps_data *wps, const u8 *dev_passwd,
+		    size_t dev_passwd_len)
+{
+	u8 hash[SHA256_MAC_LEN];
+
+	hmac_sha256(wps->authkey, WPS_AUTHKEY_LEN, dev_passwd,
+		    (dev_passwd_len + 1) / 2, hash);
+	os_memcpy(wps->psk1, hash, WPS_PSK_LEN);
+	hmac_sha256(wps->authkey, WPS_AUTHKEY_LEN,
+		    dev_passwd + (dev_passwd_len + 1) / 2,
+		    dev_passwd_len / 2, hash);
+	os_memcpy(wps->psk2, hash, WPS_PSK_LEN);
+
+	wpa_hexdump_ascii_key(MSG_DEBUG, "WPS: Device Password",
+			      dev_passwd, dev_passwd_len);
+	wpa_hexdump_key(MSG_DEBUG, "WPS: PSK1", wps->psk1, WPS_PSK_LEN);
+	wpa_hexdump_key(MSG_DEBUG, "WPS: PSK2", wps->psk2, WPS_PSK_LEN);
+}
+
+
+struct wpabuf * wps_decrypt_encr_settings(struct wps_data *wps, const u8 *encr,
+					  size_t encr_len)
+{
+	struct wpabuf *decrypted;
+	const size_t block_size = 16;
+	size_t i;
+	u8 pad;
+	const u8 *pos;
+
+	/* AES-128-CBC */
+	if (encr == NULL || encr_len < 2 * block_size || encr_len % block_size)
+	{
+		wpa_printf(MSG_DEBUG, "WPS: No Encrypted Settings received");
+		return NULL;
+	}
+
+	decrypted = wpabuf_alloc(encr_len - block_size);
+	if (decrypted == NULL)
+		return NULL;
+
+	wpa_hexdump(MSG_MSGDUMP, "WPS: Encrypted Settings", encr, encr_len);
+	wpabuf_put_data(decrypted, encr + block_size, encr_len - block_size);
+	if (aes_128_cbc_decrypt(wps->keywrapkey, encr, wpabuf_mhead(decrypted),
+				wpabuf_len(decrypted))) {
+		wpabuf_free(decrypted);
+		return NULL;
+	}
+
+	wpa_hexdump_buf_key(MSG_MSGDUMP, "WPS: Decrypted Encrypted Settings",
+			    decrypted);
+
+	pos = wpabuf_head_u8(decrypted) + wpabuf_len(decrypted) - 1;
+	pad = *pos;
+	if (pad > wpabuf_len(decrypted)) {
+		wpa_printf(MSG_DEBUG, "WPS: Invalid PKCS#5 v2.0 pad value");
+		wpabuf_free(decrypted);
+		return NULL;
+	}
+	for (i = 0; i < pad; i++) {
+		if (*pos-- != pad) {
+			wpa_printf(MSG_DEBUG, "WPS: Invalid PKCS#5 v2.0 pad "
+				   "string");
+			wpabuf_free(decrypted);
+			return NULL;
+		}
+	}
+	decrypted->used -= pad;
+
+	return decrypted;
+}
+
+
+/**
+ * wps_pin_checksum - Compute PIN checksum
+ * @pin: Seven digit PIN (i.e., eight digit PIN without the checksum digit)
+ * Returns: Checksum digit
+ */
+unsigned int wps_pin_checksum(unsigned int pin)
+{
+	unsigned int accum = 0;
+	while (pin) {
+		accum += 3 * (pin % 10);
+		pin /= 10;
+		accum += pin % 10;
+		pin /= 10;
+	}
+
+	return (10 - accum % 10) % 10;
+}
+
+
+/**
+ * wps_pin_valid - Check whether a PIN has a valid checksum
+ * @pin: Eight digit PIN (i.e., including the checksum digit)
+ * Returns: 1 if checksum digit is valid, or 0 if not
+ */
+unsigned int wps_pin_valid(unsigned int pin)
+{
+	return wps_pin_checksum(pin / 10) == (pin % 10);
+}
+
+
+/**
+ * wps_generate_pin - Generate a random PIN
+ * Returns: Eight digit PIN (i.e., including the checksum digit)
+ */
+unsigned int wps_generate_pin(void)
+{
+	unsigned int val;
+
+	/* Generate seven random digits for the PIN */
+	if (random_get_bytes((unsigned char *) &val, sizeof(val)) < 0) {
+		struct os_time now;
+		os_get_time(&now);
+		val = os_random() ^ now.sec ^ now.usec;
+	}
+	val %= 10000000;
+
+	/* Append checksum digit */
+	return val * 10 + wps_pin_checksum(val);
+}
+
+
+void wps_fail_event(struct wps_context *wps, enum wps_msg_type msg,
+		    u16 config_error, u16 error_indication)
+{
+	union wps_event_data data;
+
+	if (wps->event_cb == NULL)
+		return;
+
+	os_memset(&data, 0, sizeof(data));
+	data.fail.msg = msg;
+	data.fail.config_error = config_error;
+	data.fail.error_indication = error_indication;
+	wps->event_cb(wps->cb_ctx, WPS_EV_FAIL, &data);
+}
+
+
+void wps_success_event(struct wps_context *wps)
+{
+	if (wps->event_cb == NULL)
+		return;
+
+	wps->event_cb(wps->cb_ctx, WPS_EV_SUCCESS, NULL);
+}
+
+
+void wps_pwd_auth_fail_event(struct wps_context *wps, int enrollee, int part)
+{
+	union wps_event_data data;
+
+	if (wps->event_cb == NULL)
+		return;
+
+	os_memset(&data, 0, sizeof(data));
+	data.pwd_auth_fail.enrollee = enrollee;
+	data.pwd_auth_fail.part = part;
+	wps->event_cb(wps->cb_ctx, WPS_EV_PWD_AUTH_FAIL, &data);
+}
+
+
+void wps_pbc_overlap_event(struct wps_context *wps)
+{
+	if (wps->event_cb == NULL)
+		return;
+
+	wps->event_cb(wps->cb_ctx, WPS_EV_PBC_OVERLAP, NULL);
+}
+
+
+void wps_pbc_timeout_event(struct wps_context *wps)
+{
+	if (wps->event_cb == NULL)
+		return;
+
+	wps->event_cb(wps->cb_ctx, WPS_EV_PBC_TIMEOUT, NULL);
+}
+
+
+#ifdef CONFIG_WPS_OOB
+
+static struct wpabuf * wps_get_oob_cred(struct wps_context *wps)
+{
+	struct wps_data data;
+	struct wpabuf *plain;
+
+	plain = wpabuf_alloc(500);
+	if (plain == NULL) {
+		wpa_printf(MSG_ERROR, "WPS: Failed to allocate memory for OOB "
+			   "credential");
+		return NULL;
+	}
+
+	os_memset(&data, 0, sizeof(data));
+	data.wps = wps;
+	data.auth_type = wps->auth_types;
+	data.encr_type = wps->encr_types;
+	if (wps_build_version(plain) ||
+	    wps_build_cred(&data, plain) ||
+	    wps_build_wfa_ext(plain, 0, NULL, 0)) {
+		wpabuf_free(plain);
+		return NULL;
+	}
+
+	return plain;
+}
+
+
+static struct wpabuf * wps_get_oob_dev_pwd(struct wps_context *wps)
+{
+	struct wpabuf *data;
+
+	data = wpabuf_alloc(9 + WPS_OOB_DEVICE_PASSWORD_ATTR_LEN);
+	if (data == NULL) {
+		wpa_printf(MSG_ERROR, "WPS: Failed to allocate memory for OOB "
+			   "device password attribute");
+		return NULL;
+	}
+
+	wpabuf_free(wps->oob_conf.dev_password);
+	wps->oob_conf.dev_password =
+		wpabuf_alloc(WPS_OOB_DEVICE_PASSWORD_LEN * 2 + 1);
+	if (wps->oob_conf.dev_password == NULL) {
+		wpa_printf(MSG_ERROR, "WPS: Failed to allocate memory for OOB "
+			   "device password");
+		wpabuf_free(data);
+		return NULL;
+	}
+
+	if (wps_build_version(data) ||
+	    wps_build_oob_dev_password(data, wps) ||
+	    wps_build_wfa_ext(data, 0, NULL, 0)) {
+		wpa_printf(MSG_ERROR, "WPS: Build OOB device password "
+			   "attribute error");
+		wpabuf_free(data);
+		return NULL;
+	}
+
+	return data;
+}
+
+
+static int wps_parse_oob_dev_pwd(struct wps_context *wps,
+				 struct wpabuf *data)
+{
+	struct oob_conf_data *oob_conf = &wps->oob_conf;
+	struct wps_parse_attr attr;
+	const u8 *pos;
+
+	if (wps_parse_msg(data, &attr) < 0 ||
+	    attr.oob_dev_password == NULL) {
+		wpa_printf(MSG_ERROR, "WPS: OOB device password not found");
+		return -1;
+	}
+
+	pos = attr.oob_dev_password;
+
+	oob_conf->pubkey_hash =
+		wpabuf_alloc_copy(pos, WPS_OOB_PUBKEY_HASH_LEN);
+	if (oob_conf->pubkey_hash == NULL) {
+		wpa_printf(MSG_ERROR, "WPS: Failed to allocate memory for OOB "
+			   "public key hash");
+		return -1;
+	}
+	pos += WPS_OOB_PUBKEY_HASH_LEN;
+
+	wps->oob_dev_pw_id = WPA_GET_BE16(pos);
+	pos += sizeof(wps->oob_dev_pw_id);
+
+	oob_conf->dev_password =
+		wpabuf_alloc(WPS_OOB_DEVICE_PASSWORD_LEN * 2 + 1);
+	if (oob_conf->dev_password == NULL) {
+		wpa_printf(MSG_ERROR, "WPS: Failed to allocate memory for OOB "
+			   "device password");
+		return -1;
+	}
+	wpa_snprintf_hex_uppercase(wpabuf_put(oob_conf->dev_password,
+				   wpabuf_size(oob_conf->dev_password)),
+				   wpabuf_size(oob_conf->dev_password), pos,
+				   WPS_OOB_DEVICE_PASSWORD_LEN);
+
+	return 0;
+}
+
+
+static int wps_parse_oob_cred(struct wps_context *wps, struct wpabuf *data)
+{
+	struct wpabuf msg;
+	struct wps_parse_attr attr;
+	size_t i;
+
+	if (wps_parse_msg(data, &attr) < 0 || attr.num_cred <= 0) {
+		wpa_printf(MSG_ERROR, "WPS: OOB credential not found");
+		return -1;
+	}
+
+	for (i = 0; i < attr.num_cred; i++) {
+		struct wps_credential local_cred;
+		struct wps_parse_attr cattr;
+
+		os_memset(&local_cred, 0, sizeof(local_cred));
+		wpabuf_set(&msg, attr.cred[i], attr.cred_len[i]);
+		if (wps_parse_msg(&msg, &cattr) < 0 ||
+		    wps_process_cred(&cattr, &local_cred)) {
+			wpa_printf(MSG_ERROR, "WPS: Failed to parse OOB "
+				   "credential");
+			return -1;
+		}
+		wps->cred_cb(wps->cb_ctx, &local_cred);
+	}
+
+	return 0;
+}
+
+
+int wps_process_oob(struct wps_context *wps, struct oob_device_data *oob_dev,
+		    int registrar)
+{
+	struct wpabuf *data;
+	int ret, write_f, oob_method = wps->oob_conf.oob_method;
+	void *oob_priv;
+
+	write_f = oob_method == OOB_METHOD_DEV_PWD_E ? !registrar : registrar;
+
+	oob_priv = oob_dev->init_func(wps, oob_dev, registrar);
+	if (oob_priv == NULL) {
+		wpa_printf(MSG_ERROR, "WPS: Failed to initialize OOB device");
+		return -1;
+	}
+
+	if (write_f) {
+		if (oob_method == OOB_METHOD_CRED)
+			data = wps_get_oob_cred(wps);
+		else
+			data = wps_get_oob_dev_pwd(wps);
+
+		ret = 0;
+		if (data == NULL || oob_dev->write_func(oob_priv, data) < 0)
+			ret = -1;
+	} else {
+		data = oob_dev->read_func(oob_priv);
+		if (data == NULL)
+			ret = -1;
+		else {
+			if (oob_method == OOB_METHOD_CRED)
+				ret = wps_parse_oob_cred(wps, data);
+			else
+				ret = wps_parse_oob_dev_pwd(wps, data);
+		}
+	}
+	wpabuf_free(data);
+	oob_dev->deinit_func(oob_priv);
+
+	if (ret < 0) {
+		wpa_printf(MSG_ERROR, "WPS: Failed to process OOB data");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+struct oob_device_data * wps_get_oob_device(char *device_type)
+{
+#ifdef CONFIG_WPS_UFD
+	if (os_strstr(device_type, "ufd") != NULL)
+		return &oob_ufd_device_data;
+#endif /* CONFIG_WPS_UFD */
+#ifdef CONFIG_WPS_NFC
+	if (os_strstr(device_type, "nfc") != NULL)
+		return &oob_nfc_device_data;
+#endif /* CONFIG_WPS_NFC */
+
+	return NULL;
+}
+
+
+#ifdef CONFIG_WPS_NFC
+struct oob_nfc_device_data * wps_get_oob_nfc_device(char *device_name)
+{
+	if (device_name == NULL)
+		return NULL;
+#ifdef CONFIG_WPS_NFC_PN531
+	if (os_strstr(device_name, "pn531") != NULL)
+		return &oob_nfc_pn531_device_data;
+#endif /* CONFIG_WPS_NFC_PN531 */
+
+	return NULL;
+}
+#endif /* CONFIG_WPS_NFC */
+
+
+int wps_get_oob_method(char *method)
+{
+	if (os_strstr(method, "pin-e") != NULL)
+		return OOB_METHOD_DEV_PWD_E;
+	if (os_strstr(method, "pin-r") != NULL)
+		return OOB_METHOD_DEV_PWD_R;
+	if (os_strstr(method, "cred") != NULL)
+		return OOB_METHOD_CRED;
+	return OOB_METHOD_UNKNOWN;
+}
+
+#endif /* CONFIG_WPS_OOB */
+
+
+int wps_dev_type_str2bin(const char *str, u8 dev_type[WPS_DEV_TYPE_LEN])
+{
+	const char *pos;
+
+	/* <categ>-<OUI>-<subcateg> */
+	WPA_PUT_BE16(dev_type, atoi(str));
+	pos = os_strchr(str, '-');
+	if (pos == NULL)
+		return -1;
+	pos++;
+	if (hexstr2bin(pos, &dev_type[2], 4))
+		return -1;
+	pos = os_strchr(pos, '-');
+	if (pos == NULL)
+		return -1;
+	pos++;
+	WPA_PUT_BE16(&dev_type[6], atoi(pos));
+
+
+	return 0;
+}
+
+
+char * wps_dev_type_bin2str(const u8 dev_type[WPS_DEV_TYPE_LEN], char *buf,
+			    size_t buf_len)
+{
+	int ret;
+
+	ret = os_snprintf(buf, buf_len, "%u-%08X-%u",
+			  WPA_GET_BE16(dev_type), WPA_GET_BE32(&dev_type[2]),
+			  WPA_GET_BE16(&dev_type[6]));
+	if (ret < 0 || (unsigned int) ret >= buf_len)
+		return NULL;
+
+	return buf;
+}
+
+
+void uuid_gen_mac_addr(const u8 *mac_addr, u8 *uuid)
+{
+	const u8 *addr[2];
+	size_t len[2];
+	u8 hash[SHA1_MAC_LEN];
+	u8 nsid[16] = {
+		0x52, 0x64, 0x80, 0xf8,
+		0xc9, 0x9b,
+		0x4b, 0xe5,
+		0xa6, 0x55,
+		0x58, 0xed, 0x5f, 0x5d, 0x60, 0x84
+	};
+
+	addr[0] = nsid;
+	len[0] = sizeof(nsid);
+	addr[1] = mac_addr;
+	len[1] = 6;
+	sha1_vector(2, addr, len, hash);
+	os_memcpy(uuid, hash, 16);
+
+	/* Version: 5 = named-based version using SHA-1 */
+	uuid[6] = (5 << 4) | (uuid[6] & 0x0f);
+
+	/* Variant specified in RFC 4122 */
+	uuid[8] = 0x80 | (uuid[8] & 0x3f);
+}
+
+
+u16 wps_config_methods_str2bin(const char *str)
+{
+	u16 methods = 0;
+
+	if (str == NULL) {
+		/* Default to enabling methods based on build configuration */
+		methods |= WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD;
+#ifdef CONFIG_WPS2
+		methods |= WPS_CONFIG_VIRT_DISPLAY;
+#endif /* CONFIG_WPS2 */
+#ifdef CONFIG_WPS_UFD
+		methods |= WPS_CONFIG_USBA;
+#endif /* CONFIG_WPS_UFD */
+#ifdef CONFIG_WPS_NFC
+		methods |= WPS_CONFIG_NFC_INTERFACE;
+#endif /* CONFIG_WPS_NFC */
+	} else {
+		if (os_strstr(str, "usba"))
+			methods |= WPS_CONFIG_USBA;
+		if (os_strstr(str, "ethernet"))
+			methods |= WPS_CONFIG_ETHERNET;
+		if (os_strstr(str, "label"))
+			methods |= WPS_CONFIG_LABEL;
+		if (os_strstr(str, "display"))
+			methods |= WPS_CONFIG_DISPLAY;
+		if (os_strstr(str, "ext_nfc_token"))
+			methods |= WPS_CONFIG_EXT_NFC_TOKEN;
+		if (os_strstr(str, "int_nfc_token"))
+			methods |= WPS_CONFIG_INT_NFC_TOKEN;
+		if (os_strstr(str, "nfc_interface"))
+			methods |= WPS_CONFIG_NFC_INTERFACE;
+		if (os_strstr(str, "push_button"))
+			methods |= WPS_CONFIG_PUSHBUTTON;
+		if (os_strstr(str, "keypad"))
+			methods |= WPS_CONFIG_KEYPAD;
+#ifdef CONFIG_WPS2
+		if (os_strstr(str, "virtual_display"))
+			methods |= WPS_CONFIG_VIRT_DISPLAY;
+		if (os_strstr(str, "physical_display"))
+			methods |= WPS_CONFIG_PHY_DISPLAY;
+		if (os_strstr(str, "virtual_push_button"))
+			methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
+		if (os_strstr(str, "physical_push_button"))
+			methods |= WPS_CONFIG_PHY_PUSHBUTTON;
+#endif /* CONFIG_WPS2 */
+	}
+
+	return methods;
+}
+
+
+struct wpabuf * wps_build_wsc_ack(struct wps_data *wps)
+{
+	struct wpabuf *msg;
+
+	wpa_printf(MSG_DEBUG, "WPS: Building Message WSC_ACK");
+
+	msg = wpabuf_alloc(1000);
+	if (msg == NULL)
+		return NULL;
+
+	if (wps_build_version(msg) ||
+	    wps_build_msg_type(msg, WPS_WSC_ACK) ||
+	    wps_build_enrollee_nonce(wps, msg) ||
+	    wps_build_registrar_nonce(wps, msg) ||
+	    wps_build_wfa_ext(msg, 0, NULL, 0)) {
+		wpabuf_free(msg);
+		return NULL;
+	}
+
+	return msg;
+}
+
+
+struct wpabuf * wps_build_wsc_nack(struct wps_data *wps)
+{
+	struct wpabuf *msg;
+
+	wpa_printf(MSG_DEBUG, "WPS: Building Message WSC_NACK");
+
+	msg = wpabuf_alloc(1000);
+	if (msg == NULL)
+		return NULL;
+
+	if (wps_build_version(msg) ||
+	    wps_build_msg_type(msg, WPS_WSC_NACK) ||
+	    wps_build_enrollee_nonce(wps, msg) ||
+	    wps_build_registrar_nonce(wps, msg) ||
+	    wps_build_config_error(msg, wps->config_error) ||
+	    wps_build_wfa_ext(msg, 0, NULL, 0)) {
+		wpabuf_free(msg);
+		return NULL;
+	}
+
+	return msg;
+}
diff --git a/src/wps/wps_defs.h b/src/wps/wps_defs.h
new file mode 100644
index 0000000..43311f3
--- /dev/null
+++ b/src/wps/wps_defs.h
@@ -0,0 +1,336 @@
+/*
+ * Wi-Fi Protected Setup - message definitions
+ * Copyright (c) 2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef WPS_DEFS_H
+#define WPS_DEFS_H
+
+#ifdef CONFIG_WPS_TESTING
+
+extern int wps_version_number;
+extern int wps_testing_dummy_cred;
+#define WPS_VERSION wps_version_number
+
+#else /* CONFIG_WPS_TESTING */
+
+#ifdef CONFIG_WPS2
+#define WPS_VERSION 0x20
+#else /* CONFIG_WPS2 */
+#define WPS_VERSION 0x10
+#endif /* CONFIG_WPS2 */
+
+#endif /* CONFIG_WPS_TESTING */
+
+/* Diffie-Hellman 1536-bit MODP Group; RFC 3526, Group 5 */
+#define WPS_DH_GROUP 5
+
+#define WPS_UUID_LEN 16
+#define WPS_NONCE_LEN 16
+#define WPS_AUTHENTICATOR_LEN 8
+#define WPS_AUTHKEY_LEN 32
+#define WPS_KEYWRAPKEY_LEN 16
+#define WPS_EMSK_LEN 32
+#define WPS_PSK_LEN 16
+#define WPS_SECRET_NONCE_LEN 16
+#define WPS_HASH_LEN 32
+#define WPS_KWA_LEN 8
+#define WPS_MGMTAUTHKEY_LEN 32
+#define WPS_MGMTENCKEY_LEN 16
+#define WPS_MGMT_KEY_ID_LEN 16
+#define WPS_OOB_DEVICE_PASSWORD_ATTR_LEN 54
+#define WPS_OOB_DEVICE_PASSWORD_LEN 32
+#define WPS_OOB_PUBKEY_HASH_LEN 20
+
+/* Attribute Types */
+enum wps_attribute {
+	ATTR_AP_CHANNEL = 0x1001,
+	ATTR_ASSOC_STATE = 0x1002,
+	ATTR_AUTH_TYPE = 0x1003,
+	ATTR_AUTH_TYPE_FLAGS = 0x1004,
+	ATTR_AUTHENTICATOR = 0x1005,
+	ATTR_CONFIG_METHODS = 0x1008,
+	ATTR_CONFIG_ERROR = 0x1009,
+	ATTR_CONFIRM_URL4 = 0x100a,
+	ATTR_CONFIRM_URL6 = 0x100b,
+	ATTR_CONN_TYPE = 0x100c,
+	ATTR_CONN_TYPE_FLAGS = 0x100d,
+	ATTR_CRED = 0x100e,
+	ATTR_ENCR_TYPE = 0x100f,
+	ATTR_ENCR_TYPE_FLAGS = 0x1010,
+	ATTR_DEV_NAME = 0x1011,
+	ATTR_DEV_PASSWORD_ID = 0x1012,
+	ATTR_E_HASH1 = 0x1014,
+	ATTR_E_HASH2 = 0x1015,
+	ATTR_E_SNONCE1 = 0x1016,
+	ATTR_E_SNONCE2 = 0x1017,
+	ATTR_ENCR_SETTINGS = 0x1018,
+	ATTR_ENROLLEE_NONCE = 0x101a,
+	ATTR_FEATURE_ID = 0x101b,
+	ATTR_IDENTITY = 0x101c,
+	ATTR_IDENTITY_PROOF = 0x101d,
+	ATTR_KEY_WRAP_AUTH = 0x101e,
+	ATTR_KEY_ID = 0x101f,
+	ATTR_MAC_ADDR = 0x1020,
+	ATTR_MANUFACTURER = 0x1021,
+	ATTR_MSG_TYPE = 0x1022,
+	ATTR_MODEL_NAME = 0x1023,
+	ATTR_MODEL_NUMBER = 0x1024,
+	ATTR_NETWORK_INDEX = 0x1026,
+	ATTR_NETWORK_KEY = 0x1027,
+	ATTR_NETWORK_KEY_INDEX = 0x1028,
+	ATTR_NEW_DEVICE_NAME = 0x1029,
+	ATTR_NEW_PASSWORD = 0x102a,
+	ATTR_OOB_DEVICE_PASSWORD = 0x102c,
+	ATTR_OS_VERSION = 0x102d,
+	ATTR_POWER_LEVEL = 0x102f,
+	ATTR_PSK_CURRENT = 0x1030,
+	ATTR_PSK_MAX = 0x1031,
+	ATTR_PUBLIC_KEY = 0x1032,
+	ATTR_RADIO_ENABLE = 0x1033,
+	ATTR_REBOOT = 0x1034,
+	ATTR_REGISTRAR_CURRENT = 0x1035,
+	ATTR_REGISTRAR_ESTABLISHED = 0x1036,
+	ATTR_REGISTRAR_LIST = 0x1037,
+	ATTR_REGISTRAR_MAX = 0x1038,
+	ATTR_REGISTRAR_NONCE = 0x1039,
+	ATTR_REQUEST_TYPE = 0x103a,
+	ATTR_RESPONSE_TYPE = 0x103b,
+	ATTR_RF_BANDS = 0x103c,
+	ATTR_R_HASH1 = 0x103d,
+	ATTR_R_HASH2 = 0x103e,
+	ATTR_R_SNONCE1 = 0x103f,
+	ATTR_R_SNONCE2 = 0x1040,
+	ATTR_SELECTED_REGISTRAR = 0x1041,
+	ATTR_SERIAL_NUMBER = 0x1042,
+	ATTR_WPS_STATE = 0x1044,
+	ATTR_SSID = 0x1045,
+	ATTR_TOTAL_NETWORKS = 0x1046,
+	ATTR_UUID_E = 0x1047,
+	ATTR_UUID_R = 0x1048,
+	ATTR_VENDOR_EXT = 0x1049,
+	ATTR_VERSION = 0x104a,
+	ATTR_X509_CERT_REQ = 0x104b,
+	ATTR_X509_CERT = 0x104c,
+	ATTR_EAP_IDENTITY = 0x104d,
+	ATTR_MSG_COUNTER = 0x104e,
+	ATTR_PUBKEY_HASH = 0x104f,
+	ATTR_REKEY_KEY = 0x1050,
+	ATTR_KEY_LIFETIME = 0x1051,
+	ATTR_PERMITTED_CFG_METHODS = 0x1052,
+	ATTR_SELECTED_REGISTRAR_CONFIG_METHODS = 0x1053,
+	ATTR_PRIMARY_DEV_TYPE = 0x1054,
+	ATTR_SECONDARY_DEV_TYPE_LIST = 0x1055,
+	ATTR_PORTABLE_DEV = 0x1056,
+	ATTR_AP_SETUP_LOCKED = 0x1057,
+	ATTR_APPLICATION_EXT = 0x1058,
+	ATTR_EAP_TYPE = 0x1059,
+	ATTR_IV = 0x1060,
+	ATTR_KEY_PROVIDED_AUTO = 0x1061,
+	ATTR_802_1X_ENABLED = 0x1062,
+	ATTR_APPSESSIONKEY = 0x1063,
+	ATTR_WEPTRANSMITKEY = 0x1064,
+	ATTR_REQUESTED_DEV_TYPE = 0x106a,
+	ATTR_EXTENSIBILITY_TEST = 0x10fa /* _NOT_ defined in the spec */
+};
+
+#define WPS_VENDOR_ID_WFA 14122
+
+/* WFA Vendor Extension subelements */
+enum {
+	WFA_ELEM_VERSION2 = 0x00,
+	WFA_ELEM_AUTHORIZEDMACS = 0x01,
+	WFA_ELEM_NETWORK_KEY_SHAREABLE = 0x02,
+	WFA_ELEM_REQUEST_TO_ENROLL = 0x03,
+	WFA_ELEM_SETTINGS_DELAY_TIME = 0x04
+};
+
+/* Device Password ID */
+enum wps_dev_password_id {
+	DEV_PW_DEFAULT = 0x0000,
+	DEV_PW_USER_SPECIFIED = 0x0001,
+	DEV_PW_MACHINE_SPECIFIED = 0x0002,
+	DEV_PW_REKEY = 0x0003,
+	DEV_PW_PUSHBUTTON = 0x0004,
+	DEV_PW_REGISTRAR_SPECIFIED = 0x0005
+};
+
+/* Message Type */
+enum wps_msg_type {
+	WPS_Beacon = 0x01,
+	WPS_ProbeRequest = 0x02,
+	WPS_ProbeResponse = 0x03,
+	WPS_M1 = 0x04,
+	WPS_M2 = 0x05,
+	WPS_M2D = 0x06,
+	WPS_M3 = 0x07,
+	WPS_M4 = 0x08,
+	WPS_M5 = 0x09,
+	WPS_M6 = 0x0a,
+	WPS_M7 = 0x0b,
+	WPS_M8 = 0x0c,
+	WPS_WSC_ACK = 0x0d,
+	WPS_WSC_NACK = 0x0e,
+	WPS_WSC_DONE = 0x0f
+};
+
+/* Authentication Type Flags */
+#define WPS_AUTH_OPEN 0x0001
+#define WPS_AUTH_WPAPSK 0x0002
+#define WPS_AUTH_SHARED 0x0004
+#define WPS_AUTH_WPA 0x0008
+#define WPS_AUTH_WPA2 0x0010
+#define WPS_AUTH_WPA2PSK 0x0020
+#define WPS_AUTH_TYPES (WPS_AUTH_OPEN | WPS_AUTH_WPAPSK | WPS_AUTH_SHARED | \
+			WPS_AUTH_WPA | WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK)
+
+/* Encryption Type Flags */
+#define WPS_ENCR_NONE 0x0001
+#define WPS_ENCR_WEP 0x0002
+#define WPS_ENCR_TKIP 0x0004
+#define WPS_ENCR_AES 0x0008
+#define WPS_ENCR_TYPES (WPS_ENCR_NONE | WPS_ENCR_WEP | WPS_ENCR_TKIP | \
+			WPS_ENCR_AES)
+
+/* Configuration Error */
+enum wps_config_error {
+	WPS_CFG_NO_ERROR = 0,
+	WPS_CFG_OOB_IFACE_READ_ERROR = 1,
+	WPS_CFG_DECRYPTION_CRC_FAILURE = 2,
+	WPS_CFG_24_CHAN_NOT_SUPPORTED = 3,
+	WPS_CFG_50_CHAN_NOT_SUPPORTED = 4,
+	WPS_CFG_SIGNAL_TOO_WEAK = 5,
+	WPS_CFG_NETWORK_AUTH_FAILURE = 6,
+	WPS_CFG_NETWORK_ASSOC_FAILURE = 7,
+	WPS_CFG_NO_DHCP_RESPONSE = 8,
+	WPS_CFG_FAILED_DHCP_CONFIG = 9,
+	WPS_CFG_IP_ADDR_CONFLICT = 10,
+	WPS_CFG_NO_CONN_TO_REGISTRAR = 11,
+	WPS_CFG_MULTIPLE_PBC_DETECTED = 12,
+	WPS_CFG_ROGUE_SUSPECTED = 13,
+	WPS_CFG_DEVICE_BUSY = 14,
+	WPS_CFG_SETUP_LOCKED = 15,
+	WPS_CFG_MSG_TIMEOUT = 16,
+	WPS_CFG_REG_SESS_TIMEOUT = 17,
+	WPS_CFG_DEV_PASSWORD_AUTH_FAILURE = 18
+};
+
+/* Vendor specific Error Indication for WPS event messages */
+enum wps_error_indication {
+	WPS_EI_NO_ERROR,
+	WPS_EI_SECURITY_TKIP_ONLY_PROHIBITED,
+	WPS_EI_SECURITY_WEP_PROHIBITED,
+	NUM_WPS_EI_VALUES
+};
+
+/* RF Bands */
+#define WPS_RF_24GHZ 0x01
+#define WPS_RF_50GHZ 0x02
+
+/* Config Methods */
+#define WPS_CONFIG_USBA 0x0001
+#define WPS_CONFIG_ETHERNET 0x0002
+#define WPS_CONFIG_LABEL 0x0004
+#define WPS_CONFIG_DISPLAY 0x0008
+#define WPS_CONFIG_EXT_NFC_TOKEN 0x0010
+#define WPS_CONFIG_INT_NFC_TOKEN 0x0020
+#define WPS_CONFIG_NFC_INTERFACE 0x0040
+#define WPS_CONFIG_PUSHBUTTON 0x0080
+#define WPS_CONFIG_KEYPAD 0x0100
+#ifdef CONFIG_WPS2
+#define WPS_CONFIG_VIRT_PUSHBUTTON 0x0280
+#define WPS_CONFIG_PHY_PUSHBUTTON 0x0480
+#define WPS_CONFIG_VIRT_DISPLAY 0x2008
+#define WPS_CONFIG_PHY_DISPLAY 0x4008
+#endif /* CONFIG_WPS2 */
+
+/* Connection Type Flags */
+#define WPS_CONN_ESS 0x01
+#define WPS_CONN_IBSS 0x02
+
+/* Wi-Fi Protected Setup State */
+enum wps_state {
+	WPS_STATE_NOT_CONFIGURED = 1,
+	WPS_STATE_CONFIGURED = 2
+};
+
+/* Association State */
+enum wps_assoc_state {
+	WPS_ASSOC_NOT_ASSOC = 0,
+	WPS_ASSOC_CONN_SUCCESS = 1,
+	WPS_ASSOC_CFG_FAILURE = 2,
+	WPS_ASSOC_FAILURE = 3,
+	WPS_ASSOC_IP_FAILURE = 4
+};
+
+
+#define WPS_DEV_OUI_WFA 0x0050f204
+
+enum wps_dev_categ {
+	WPS_DEV_COMPUTER = 1,
+	WPS_DEV_INPUT = 2,
+	WPS_DEV_PRINTER = 3,
+	WPS_DEV_CAMERA = 4,
+	WPS_DEV_STORAGE = 5,
+	WPS_DEV_NETWORK_INFRA = 6,
+	WPS_DEV_DISPLAY = 7,
+	WPS_DEV_MULTIMEDIA = 8,
+	WPS_DEV_GAMING = 9,
+	WPS_DEV_PHONE = 10
+};
+
+enum wps_dev_subcateg {
+	WPS_DEV_COMPUTER_PC = 1,
+	WPS_DEV_COMPUTER_SERVER = 2,
+	WPS_DEV_COMPUTER_MEDIA_CENTER = 3,
+	WPS_DEV_PRINTER_PRINTER = 1,
+	WPS_DEV_PRINTER_SCANNER = 2,
+	WPS_DEV_CAMERA_DIGITAL_STILL_CAMERA = 1,
+	WPS_DEV_STORAGE_NAS = 1,
+	WPS_DEV_NETWORK_INFRA_AP = 1,
+	WPS_DEV_NETWORK_INFRA_ROUTER = 2,
+	WPS_DEV_NETWORK_INFRA_SWITCH = 3,
+	WPS_DEV_DISPLAY_TV = 1,
+	WPS_DEV_DISPLAY_PICTURE_FRAME = 2,
+	WPS_DEV_DISPLAY_PROJECTOR = 3,
+	WPS_DEV_MULTIMEDIA_DAR = 1,
+	WPS_DEV_MULTIMEDIA_PVR = 2,
+	WPS_DEV_MULTIMEDIA_MCX = 3,
+	WPS_DEV_GAMING_XBOX = 1,
+	WPS_DEV_GAMING_XBOX360 = 2,
+	WPS_DEV_GAMING_PLAYSTATION = 3,
+	WPS_DEV_PHONE_WINDOWS_MOBILE = 1
+};
+
+
+/* Request Type */
+enum wps_request_type {
+	WPS_REQ_ENROLLEE_INFO = 0,
+	WPS_REQ_ENROLLEE = 1,
+	WPS_REQ_REGISTRAR = 2,
+	WPS_REQ_WLAN_MANAGER_REGISTRAR = 3
+};
+
+/* Response Type */
+enum wps_response_type {
+	WPS_RESP_ENROLLEE_INFO = 0,
+	WPS_RESP_ENROLLEE = 1,
+	WPS_RESP_REGISTRAR = 2,
+	WPS_RESP_AP = 3
+};
+
+/* Walk Time for push button configuration (in seconds) */
+#define WPS_PBC_WALK_TIME 120
+
+#define WPS_MAX_AUTHORIZED_MACS 5
+
+#endif /* WPS_DEFS_H */
diff --git a/src/wps/wps_dev_attr.c b/src/wps/wps_dev_attr.c
new file mode 100644
index 0000000..f2fb03a
--- /dev/null
+++ b/src/wps/wps_dev_attr.c
@@ -0,0 +1,444 @@
+/*
+ * Wi-Fi Protected Setup - device attributes
+ * Copyright (c) 2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "wps_i.h"
+#include "wps_dev_attr.h"
+
+
+int wps_build_manufacturer(struct wps_device_data *dev, struct wpabuf *msg)
+{
+	size_t len;
+	wpa_printf(MSG_DEBUG, "WPS:  * Manufacturer");
+	wpabuf_put_be16(msg, ATTR_MANUFACTURER);
+	len = dev->manufacturer ? os_strlen(dev->manufacturer) : 0;
+#ifndef CONFIG_WPS_STRICT
+	if (len == 0) {
+		/*
+		 * Some deployed WPS implementations fail to parse zero-length
+		 * attributes. As a workaround, send a space character if the
+		 * device attribute string is empty.
+		 */
+		wpabuf_put_be16(msg, 1);
+		wpabuf_put_u8(msg, ' ');
+		return 0;
+	}
+#endif /* CONFIG_WPS_STRICT */
+	wpabuf_put_be16(msg, len);
+	wpabuf_put_data(msg, dev->manufacturer, len);
+	return 0;
+}
+
+
+int wps_build_model_name(struct wps_device_data *dev, struct wpabuf *msg)
+{
+	size_t len;
+	wpa_printf(MSG_DEBUG, "WPS:  * Model Name");
+	wpabuf_put_be16(msg, ATTR_MODEL_NAME);
+	len = dev->model_name ? os_strlen(dev->model_name) : 0;
+#ifndef CONFIG_WPS_STRICT
+	if (len == 0) {
+		/*
+		 * Some deployed WPS implementations fail to parse zero-length
+		 * attributes. As a workaround, send a space character if the
+		 * device attribute string is empty.
+		 */
+		wpabuf_put_be16(msg, 1);
+		wpabuf_put_u8(msg, ' ');
+		return 0;
+	}
+#endif /* CONFIG_WPS_STRICT */
+	wpabuf_put_be16(msg, len);
+	wpabuf_put_data(msg, dev->model_name, len);
+	return 0;
+}
+
+
+int wps_build_model_number(struct wps_device_data *dev, struct wpabuf *msg)
+{
+	size_t len;
+	wpa_printf(MSG_DEBUG, "WPS:  * Model Number");
+	wpabuf_put_be16(msg, ATTR_MODEL_NUMBER);
+	len = dev->model_number ? os_strlen(dev->model_number) : 0;
+#ifndef CONFIG_WPS_STRICT
+	if (len == 0) {
+		/*
+		 * Some deployed WPS implementations fail to parse zero-length
+		 * attributes. As a workaround, send a space character if the
+		 * device attribute string is empty.
+		 */
+		wpabuf_put_be16(msg, 1);
+		wpabuf_put_u8(msg, ' ');
+		return 0;
+	}
+#endif /* CONFIG_WPS_STRICT */
+	wpabuf_put_be16(msg, len);
+	wpabuf_put_data(msg, dev->model_number, len);
+	return 0;
+}
+
+
+static int wps_build_serial_number(struct wps_device_data *dev,
+				   struct wpabuf *msg)
+{
+	size_t len;
+	wpa_printf(MSG_DEBUG, "WPS:  * Serial Number");
+	wpabuf_put_be16(msg, ATTR_SERIAL_NUMBER);
+	len = dev->serial_number ? os_strlen(dev->serial_number) : 0;
+#ifndef CONFIG_WPS_STRICT
+	if (len == 0) {
+		/*
+		 * Some deployed WPS implementations fail to parse zero-length
+		 * attributes. As a workaround, send a space character if the
+		 * device attribute string is empty.
+		 */
+		wpabuf_put_be16(msg, 1);
+		wpabuf_put_u8(msg, ' ');
+		return 0;
+	}
+#endif /* CONFIG_WPS_STRICT */
+	wpabuf_put_be16(msg, len);
+	wpabuf_put_data(msg, dev->serial_number, len);
+	return 0;
+}
+
+
+int wps_build_primary_dev_type(struct wps_device_data *dev, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * Primary Device Type");
+	wpabuf_put_be16(msg, ATTR_PRIMARY_DEV_TYPE);
+	wpabuf_put_be16(msg, WPS_DEV_TYPE_LEN);
+	wpabuf_put_data(msg, dev->pri_dev_type, WPS_DEV_TYPE_LEN);
+	return 0;
+}
+
+
+int wps_build_secondary_dev_type(struct wps_device_data *dev,
+				  struct wpabuf *msg)
+{
+	if (!dev->num_sec_dev_types)
+		return 0;
+
+	wpa_printf(MSG_DEBUG, "WPS:  * Secondary Device Type");
+	wpabuf_put_be16(msg, ATTR_SECONDARY_DEV_TYPE_LIST);
+	wpabuf_put_be16(msg, WPS_DEV_TYPE_LEN * dev->num_sec_dev_types);
+	wpabuf_put_data(msg, dev->sec_dev_type,
+			WPS_DEV_TYPE_LEN * dev->num_sec_dev_types);
+
+	return 0;
+}
+
+
+int wps_build_req_dev_type(struct wps_device_data *dev, struct wpabuf *msg,
+			   unsigned int num_req_dev_types,
+			   const u8 *req_dev_types)
+{
+	unsigned int i;
+
+	for (i = 0; i < num_req_dev_types; i++) {
+		wpa_hexdump(MSG_DEBUG, "WPS: * Requested Device Type",
+			    req_dev_types + i * WPS_DEV_TYPE_LEN,
+			    WPS_DEV_TYPE_LEN);
+		wpabuf_put_be16(msg, ATTR_REQUESTED_DEV_TYPE);
+		wpabuf_put_be16(msg, WPS_DEV_TYPE_LEN);
+		wpabuf_put_data(msg, req_dev_types + i * WPS_DEV_TYPE_LEN,
+				WPS_DEV_TYPE_LEN);
+	}
+
+	return 0;
+}
+
+
+int wps_build_dev_name(struct wps_device_data *dev, struct wpabuf *msg)
+{
+	size_t len;
+	wpa_printf(MSG_DEBUG, "WPS:  * Device Name");
+	wpabuf_put_be16(msg, ATTR_DEV_NAME);
+	len = dev->device_name ? os_strlen(dev->device_name) : 0;
+#ifndef CONFIG_WPS_STRICT
+	if (len == 0) {
+		/*
+		 * Some deployed WPS implementations fail to parse zero-length
+		 * attributes. As a workaround, send a space character if the
+		 * device attribute string is empty.
+		 */
+		wpabuf_put_be16(msg, 1);
+		wpabuf_put_u8(msg, ' ');
+		return 0;
+	}
+#endif /* CONFIG_WPS_STRICT */
+	wpabuf_put_be16(msg, len);
+	wpabuf_put_data(msg, dev->device_name, len);
+	return 0;
+}
+
+
+int wps_build_device_attrs(struct wps_device_data *dev, struct wpabuf *msg)
+{
+	if (wps_build_manufacturer(dev, msg) ||
+	    wps_build_model_name(dev, msg) ||
+	    wps_build_model_number(dev, msg) ||
+	    wps_build_serial_number(dev, msg) ||
+	    wps_build_primary_dev_type(dev, msg) ||
+	    wps_build_dev_name(dev, msg))
+		return -1;
+	return 0;
+}
+
+
+int wps_build_os_version(struct wps_device_data *dev, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * OS Version");
+	wpabuf_put_be16(msg, ATTR_OS_VERSION);
+	wpabuf_put_be16(msg, 4);
+	wpabuf_put_be32(msg, 0x80000000 | dev->os_version);
+	return 0;
+}
+
+
+int wps_build_rf_bands(struct wps_device_data *dev, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * RF Bands (%x)", dev->rf_bands);
+	wpabuf_put_be16(msg, ATTR_RF_BANDS);
+	wpabuf_put_be16(msg, 1);
+	wpabuf_put_u8(msg, dev->rf_bands);
+	return 0;
+}
+
+
+int wps_build_vendor_ext(struct wps_device_data *dev, struct wpabuf *msg)
+{
+	int i;
+
+	for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) {
+		if (dev->vendor_ext[i] == NULL)
+			continue;
+		wpa_hexdump(MSG_DEBUG, "WPS:  * Vendor Extension",
+			    wpabuf_head_u8(dev->vendor_ext[i]),
+			    wpabuf_len(dev->vendor_ext[i]));
+		wpabuf_put_be16(msg, ATTR_VENDOR_EXT);
+		wpabuf_put_be16(msg, wpabuf_len(dev->vendor_ext[i]));
+		wpabuf_put_buf(msg, dev->vendor_ext[i]);
+	}
+
+	return 0;
+}
+
+
+static int wps_process_manufacturer(struct wps_device_data *dev, const u8 *str,
+				    size_t str_len)
+{
+	if (str == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Manufacturer received");
+		return -1;
+	}
+
+	wpa_hexdump_ascii(MSG_DEBUG, "WPS: Manufacturer", str, str_len);
+
+	os_free(dev->manufacturer);
+	dev->manufacturer = os_malloc(str_len + 1);
+	if (dev->manufacturer == NULL)
+		return -1;
+	os_memcpy(dev->manufacturer, str, str_len);
+	dev->manufacturer[str_len] = '\0';
+
+	return 0;
+}
+
+
+static int wps_process_model_name(struct wps_device_data *dev, const u8 *str,
+				  size_t str_len)
+{
+	if (str == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Model Name received");
+		return -1;
+	}
+
+	wpa_hexdump_ascii(MSG_DEBUG, "WPS: Model Name", str, str_len);
+
+	os_free(dev->model_name);
+	dev->model_name = os_malloc(str_len + 1);
+	if (dev->model_name == NULL)
+		return -1;
+	os_memcpy(dev->model_name, str, str_len);
+	dev->model_name[str_len] = '\0';
+
+	return 0;
+}
+
+
+static int wps_process_model_number(struct wps_device_data *dev, const u8 *str,
+				    size_t str_len)
+{
+	if (str == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Model Number received");
+		return -1;
+	}
+
+	wpa_hexdump_ascii(MSG_DEBUG, "WPS: Model Number", str, str_len);
+
+	os_free(dev->model_number);
+	dev->model_number = os_malloc(str_len + 1);
+	if (dev->model_number == NULL)
+		return -1;
+	os_memcpy(dev->model_number, str, str_len);
+	dev->model_number[str_len] = '\0';
+
+	return 0;
+}
+
+
+static int wps_process_serial_number(struct wps_device_data *dev,
+				     const u8 *str, size_t str_len)
+{
+	if (str == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Serial Number received");
+		return -1;
+	}
+
+	wpa_hexdump_ascii(MSG_DEBUG, "WPS: Serial Number", str, str_len);
+
+	os_free(dev->serial_number);
+	dev->serial_number = os_malloc(str_len + 1);
+	if (dev->serial_number == NULL)
+		return -1;
+	os_memcpy(dev->serial_number, str, str_len);
+	dev->serial_number[str_len] = '\0';
+
+	return 0;
+}
+
+
+static int wps_process_dev_name(struct wps_device_data *dev, const u8 *str,
+				size_t str_len)
+{
+	if (str == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Device Name received");
+		return -1;
+	}
+
+	wpa_hexdump_ascii(MSG_DEBUG, "WPS: Device Name", str, str_len);
+
+	os_free(dev->device_name);
+	dev->device_name = os_malloc(str_len + 1);
+	if (dev->device_name == NULL)
+		return -1;
+	os_memcpy(dev->device_name, str, str_len);
+	dev->device_name[str_len] = '\0';
+
+	return 0;
+}
+
+
+static int wps_process_primary_dev_type(struct wps_device_data *dev,
+					const u8 *dev_type)
+{
+#ifndef CONFIG_NO_STDOUT_DEBUG
+	char devtype[WPS_DEV_TYPE_BUFSIZE];
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+
+	if (dev_type == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Primary Device Type received");
+		return -1;
+	}
+
+	os_memcpy(dev->pri_dev_type, dev_type, WPS_DEV_TYPE_LEN);
+	wpa_printf(MSG_DEBUG, "WPS: Primary Device Type: %s",
+		   wps_dev_type_bin2str(dev->pri_dev_type, devtype,
+					sizeof(devtype)));
+
+	return 0;
+}
+
+
+int wps_process_device_attrs(struct wps_device_data *dev,
+			     struct wps_parse_attr *attr)
+{
+	if (wps_process_manufacturer(dev, attr->manufacturer,
+				     attr->manufacturer_len) ||
+	    wps_process_model_name(dev, attr->model_name,
+				   attr->model_name_len) ||
+	    wps_process_model_number(dev, attr->model_number,
+				     attr->model_number_len) ||
+	    wps_process_serial_number(dev, attr->serial_number,
+				      attr->serial_number_len) ||
+	    wps_process_primary_dev_type(dev, attr->primary_dev_type) ||
+	    wps_process_dev_name(dev, attr->dev_name, attr->dev_name_len))
+		return -1;
+	return 0;
+}
+
+
+int wps_process_os_version(struct wps_device_data *dev, const u8 *ver)
+{
+	if (ver == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No OS Version received");
+		return -1;
+	}
+
+	dev->os_version = WPA_GET_BE32(ver);
+	wpa_printf(MSG_DEBUG, "WPS: OS Version %08x", dev->os_version);
+
+	return 0;
+}
+
+
+int wps_process_rf_bands(struct wps_device_data *dev, const u8 *bands)
+{
+	if (bands == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No RF Bands received");
+		return -1;
+	}
+
+	dev->rf_bands = *bands;
+	wpa_printf(MSG_DEBUG, "WPS: Enrollee RF Bands 0x%x", dev->rf_bands);
+
+	return 0;
+}
+
+
+void wps_device_data_dup(struct wps_device_data *dst,
+			 const struct wps_device_data *src)
+{
+	if (src->device_name)
+		dst->device_name = os_strdup(src->device_name);
+	if (src->manufacturer)
+		dst->manufacturer = os_strdup(src->manufacturer);
+	if (src->model_name)
+		dst->model_name = os_strdup(src->model_name);
+	if (src->model_number)
+		dst->model_number = os_strdup(src->model_number);
+	if (src->serial_number)
+		dst->serial_number = os_strdup(src->serial_number);
+	os_memcpy(dst->pri_dev_type, src->pri_dev_type, WPS_DEV_TYPE_LEN);
+	dst->os_version = src->os_version;
+	dst->rf_bands = src->rf_bands;
+}
+
+
+void wps_device_data_free(struct wps_device_data *dev)
+{
+	os_free(dev->device_name);
+	dev->device_name = NULL;
+	os_free(dev->manufacturer);
+	dev->manufacturer = NULL;
+	os_free(dev->model_name);
+	dev->model_name = NULL;
+	os_free(dev->model_number);
+	dev->model_number = NULL;
+	os_free(dev->serial_number);
+	dev->serial_number = NULL;
+}
diff --git a/src/wps/wps_dev_attr.h b/src/wps/wps_dev_attr.h
new file mode 100644
index 0000000..f26a05b
--- /dev/null
+++ b/src/wps/wps_dev_attr.h
@@ -0,0 +1,44 @@
+/*
+ * Wi-Fi Protected Setup - device attributes
+ * Copyright (c) 2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef WPS_DEV_ATTR_H
+#define WPS_DEV_ATTR_H
+
+struct wps_parse_attr;
+
+int wps_build_manufacturer(struct wps_device_data *dev, struct wpabuf *msg);
+int wps_build_model_name(struct wps_device_data *dev, struct wpabuf *msg);
+int wps_build_model_number(struct wps_device_data *dev, struct wpabuf *msg);
+int wps_build_dev_name(struct wps_device_data *dev, struct wpabuf *msg);
+int wps_build_device_attrs(struct wps_device_data *dev, struct wpabuf *msg);
+int wps_build_os_version(struct wps_device_data *dev, struct wpabuf *msg);
+int wps_build_rf_bands(struct wps_device_data *dev, struct wpabuf *msg);
+int wps_build_primary_dev_type(struct wps_device_data *dev,
+			       struct wpabuf *msg);
+int wps_build_secondary_dev_type(struct wps_device_data *dev,
+				 struct wpabuf *msg);
+int wps_build_dev_name(struct wps_device_data *dev, struct wpabuf *msg);
+int wps_process_device_attrs(struct wps_device_data *dev,
+			     struct wps_parse_attr *attr);
+int wps_process_os_version(struct wps_device_data *dev, const u8 *ver);
+int wps_process_rf_bands(struct wps_device_data *dev, const u8 *bands);
+void wps_device_data_dup(struct wps_device_data *dst,
+			 const struct wps_device_data *src);
+void wps_device_data_free(struct wps_device_data *dev);
+int wps_build_vendor_ext(struct wps_device_data *dev, struct wpabuf *msg);
+int wps_build_req_dev_type(struct wps_device_data *dev, struct wpabuf *msg,
+			   unsigned int num_req_dev_types,
+			   const u8 *req_dev_types);
+
+#endif /* WPS_DEV_ATTR_H */
diff --git a/src/wps/wps_enrollee.c b/src/wps/wps_enrollee.c
new file mode 100644
index 0000000..390254e
--- /dev/null
+++ b/src/wps/wps_enrollee.c
@@ -0,0 +1,1350 @@
+/*
+ * Wi-Fi Protected Setup - Enrollee
+ * Copyright (c) 2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/crypto.h"
+#include "crypto/sha256.h"
+#include "crypto/random.h"
+#include "wps_i.h"
+#include "wps_dev_attr.h"
+
+
+static int wps_build_mac_addr(struct wps_data *wps, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * MAC Address");
+	wpabuf_put_be16(msg, ATTR_MAC_ADDR);
+	wpabuf_put_be16(msg, ETH_ALEN);
+	wpabuf_put_data(msg, wps->mac_addr_e, ETH_ALEN);
+	return 0;
+}
+
+
+static int wps_build_wps_state(struct wps_data *wps, struct wpabuf *msg)
+{
+	u8 state;
+	if (wps->wps->ap)
+		state = wps->wps->wps_state;
+	else
+		state = WPS_STATE_NOT_CONFIGURED;
+	wpa_printf(MSG_DEBUG, "WPS:  * Wi-Fi Protected Setup State (%d)",
+		   state);
+	wpabuf_put_be16(msg, ATTR_WPS_STATE);
+	wpabuf_put_be16(msg, 1);
+	wpabuf_put_u8(msg, state);
+	return 0;
+}
+
+
+static int wps_build_e_hash(struct wps_data *wps, struct wpabuf *msg)
+{
+	u8 *hash;
+	const u8 *addr[4];
+	size_t len[4];
+
+	if (random_get_bytes(wps->snonce, 2 * WPS_SECRET_NONCE_LEN) < 0)
+		return -1;
+	wpa_hexdump(MSG_DEBUG, "WPS: E-S1", wps->snonce, WPS_SECRET_NONCE_LEN);
+	wpa_hexdump(MSG_DEBUG, "WPS: E-S2",
+		    wps->snonce + WPS_SECRET_NONCE_LEN, WPS_SECRET_NONCE_LEN);
+
+	if (wps->dh_pubkey_e == NULL || wps->dh_pubkey_r == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: DH public keys not available for "
+			   "E-Hash derivation");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS:  * E-Hash1");
+	wpabuf_put_be16(msg, ATTR_E_HASH1);
+	wpabuf_put_be16(msg, SHA256_MAC_LEN);
+	hash = wpabuf_put(msg, SHA256_MAC_LEN);
+	/* E-Hash1 = HMAC_AuthKey(E-S1 || PSK1 || PK_E || PK_R) */
+	addr[0] = wps->snonce;
+	len[0] = WPS_SECRET_NONCE_LEN;
+	addr[1] = wps->psk1;
+	len[1] = WPS_PSK_LEN;
+	addr[2] = wpabuf_head(wps->dh_pubkey_e);
+	len[2] = wpabuf_len(wps->dh_pubkey_e);
+	addr[3] = wpabuf_head(wps->dh_pubkey_r);
+	len[3] = wpabuf_len(wps->dh_pubkey_r);
+	hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash);
+	wpa_hexdump(MSG_DEBUG, "WPS: E-Hash1", hash, SHA256_MAC_LEN);
+
+	wpa_printf(MSG_DEBUG, "WPS:  * E-Hash2");
+	wpabuf_put_be16(msg, ATTR_E_HASH2);
+	wpabuf_put_be16(msg, SHA256_MAC_LEN);
+	hash = wpabuf_put(msg, SHA256_MAC_LEN);
+	/* E-Hash2 = HMAC_AuthKey(E-S2 || PSK2 || PK_E || PK_R) */
+	addr[0] = wps->snonce + WPS_SECRET_NONCE_LEN;
+	addr[1] = wps->psk2;
+	hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash);
+	wpa_hexdump(MSG_DEBUG, "WPS: E-Hash2", hash, SHA256_MAC_LEN);
+
+	return 0;
+}
+
+
+static int wps_build_e_snonce1(struct wps_data *wps, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * E-SNonce1");
+	wpabuf_put_be16(msg, ATTR_E_SNONCE1);
+	wpabuf_put_be16(msg, WPS_SECRET_NONCE_LEN);
+	wpabuf_put_data(msg, wps->snonce, WPS_SECRET_NONCE_LEN);
+	return 0;
+}
+
+
+static int wps_build_e_snonce2(struct wps_data *wps, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * E-SNonce2");
+	wpabuf_put_be16(msg, ATTR_E_SNONCE2);
+	wpabuf_put_be16(msg, WPS_SECRET_NONCE_LEN);
+	wpabuf_put_data(msg, wps->snonce + WPS_SECRET_NONCE_LEN,
+			WPS_SECRET_NONCE_LEN);
+	return 0;
+}
+
+
+static struct wpabuf * wps_build_m1(struct wps_data *wps)
+{
+	struct wpabuf *msg;
+	u16 config_methods;
+
+	if (random_get_bytes(wps->nonce_e, WPS_NONCE_LEN) < 0)
+		return NULL;
+	wpa_hexdump(MSG_DEBUG, "WPS: Enrollee Nonce",
+		    wps->nonce_e, WPS_NONCE_LEN);
+
+	wpa_printf(MSG_DEBUG, "WPS: Building Message M1");
+	msg = wpabuf_alloc(1000);
+	if (msg == NULL)
+		return NULL;
+
+	config_methods = wps->wps->config_methods;
+	if (wps->wps->ap) {
+		/*
+		 * These are the methods that the AP supports as an Enrollee
+		 * for adding external Registrars, so remove PushButton.
+		 */
+		config_methods &= ~WPS_CONFIG_PUSHBUTTON;
+#ifdef CONFIG_WPS2
+		config_methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON |
+				    WPS_CONFIG_PHY_PUSHBUTTON);
+#endif /* CONFIG_WPS2 */
+	}
+
+	if (wps_build_version(msg) ||
+	    wps_build_msg_type(msg, WPS_M1) ||
+	    wps_build_uuid_e(msg, wps->uuid_e) ||
+	    wps_build_mac_addr(wps, msg) ||
+	    wps_build_enrollee_nonce(wps, msg) ||
+	    wps_build_public_key(wps, msg) ||
+	    wps_build_auth_type_flags(wps, msg) ||
+	    wps_build_encr_type_flags(wps, msg) ||
+	    wps_build_conn_type_flags(wps, msg) ||
+	    wps_build_config_methods(msg, config_methods) ||
+	    wps_build_wps_state(wps, msg) ||
+	    wps_build_device_attrs(&wps->wps->dev, msg) ||
+	    wps_build_rf_bands(&wps->wps->dev, msg) ||
+	    wps_build_assoc_state(wps, msg) ||
+	    wps_build_dev_password_id(msg, wps->dev_pw_id) ||
+	    wps_build_config_error(msg, WPS_CFG_NO_ERROR) ||
+	    wps_build_os_version(&wps->wps->dev, msg) ||
+	    wps_build_wfa_ext(msg, 0, NULL, 0)) {
+		wpabuf_free(msg);
+		return NULL;
+	}
+
+	wps->state = RECV_M2;
+	return msg;
+}
+
+
+static struct wpabuf * wps_build_m3(struct wps_data *wps)
+{
+	struct wpabuf *msg;
+
+	wpa_printf(MSG_DEBUG, "WPS: Building Message M3");
+
+	if (wps->dev_password == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Device Password available");
+		return NULL;
+	}
+	wps_derive_psk(wps, wps->dev_password, wps->dev_password_len);
+
+	msg = wpabuf_alloc(1000);
+	if (msg == NULL)
+		return NULL;
+
+	if (wps_build_version(msg) ||
+	    wps_build_msg_type(msg, WPS_M3) ||
+	    wps_build_registrar_nonce(wps, msg) ||
+	    wps_build_e_hash(wps, msg) ||
+	    wps_build_wfa_ext(msg, 0, NULL, 0) ||
+	    wps_build_authenticator(wps, msg)) {
+		wpabuf_free(msg);
+		return NULL;
+	}
+
+	wps->state = RECV_M4;
+	return msg;
+}
+
+
+static struct wpabuf * wps_build_m5(struct wps_data *wps)
+{
+	struct wpabuf *msg, *plain;
+
+	wpa_printf(MSG_DEBUG, "WPS: Building Message M5");
+
+	plain = wpabuf_alloc(200);
+	if (plain == NULL)
+		return NULL;
+
+	msg = wpabuf_alloc(1000);
+	if (msg == NULL) {
+		wpabuf_free(plain);
+		return NULL;
+	}
+
+	if (wps_build_version(msg) ||
+	    wps_build_msg_type(msg, WPS_M5) ||
+	    wps_build_registrar_nonce(wps, msg) ||
+	    wps_build_e_snonce1(wps, plain) ||
+	    wps_build_key_wrap_auth(wps, plain) ||
+	    wps_build_encr_settings(wps, msg, plain) ||
+	    wps_build_wfa_ext(msg, 0, NULL, 0) ||
+	    wps_build_authenticator(wps, msg)) {
+		wpabuf_free(plain);
+		wpabuf_free(msg);
+		return NULL;
+	}
+	wpabuf_free(plain);
+
+	wps->state = RECV_M6;
+	return msg;
+}
+
+
+static int wps_build_cred_ssid(struct wps_data *wps, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * SSID");
+	wpabuf_put_be16(msg, ATTR_SSID);
+	wpabuf_put_be16(msg, wps->wps->ssid_len);
+	wpabuf_put_data(msg, wps->wps->ssid, wps->wps->ssid_len);
+	return 0;
+}
+
+
+static int wps_build_cred_auth_type(struct wps_data *wps, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * Authentication Type");
+	wpabuf_put_be16(msg, ATTR_AUTH_TYPE);
+	wpabuf_put_be16(msg, 2);
+	wpabuf_put_be16(msg, wps->wps->auth_types);
+	return 0;
+}
+
+
+static int wps_build_cred_encr_type(struct wps_data *wps, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * Encryption Type");
+	wpabuf_put_be16(msg, ATTR_ENCR_TYPE);
+	wpabuf_put_be16(msg, 2);
+	wpabuf_put_be16(msg, wps->wps->encr_types);
+	return 0;
+}
+
+
+static int wps_build_cred_network_key(struct wps_data *wps, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * Network Key");
+	wpabuf_put_be16(msg, ATTR_NETWORK_KEY);
+	wpabuf_put_be16(msg, wps->wps->network_key_len);
+	wpabuf_put_data(msg, wps->wps->network_key, wps->wps->network_key_len);
+	return 0;
+}
+
+
+static int wps_build_cred_mac_addr(struct wps_data *wps, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * MAC Address (AP BSSID)");
+	wpabuf_put_be16(msg, ATTR_MAC_ADDR);
+	wpabuf_put_be16(msg, ETH_ALEN);
+	wpabuf_put_data(msg, wps->wps->dev.mac_addr, ETH_ALEN);
+	return 0;
+}
+
+
+static int wps_build_ap_settings(struct wps_data *wps, struct wpabuf *plain)
+{
+	if (wps->wps->ap_settings) {
+		wpa_printf(MSG_DEBUG, "WPS:  * AP Settings (pre-configured)");
+		wpabuf_put_data(plain, wps->wps->ap_settings,
+				wps->wps->ap_settings_len);
+		return 0;
+	}
+
+	return wps_build_cred_ssid(wps, plain) ||
+		wps_build_cred_mac_addr(wps, plain) ||
+		wps_build_cred_auth_type(wps, plain) ||
+		wps_build_cred_encr_type(wps, plain) ||
+		wps_build_cred_network_key(wps, plain);
+}
+
+
+static struct wpabuf * wps_build_m7(struct wps_data *wps)
+{
+	struct wpabuf *msg, *plain;
+
+	wpa_printf(MSG_DEBUG, "WPS: Building Message M7");
+
+	plain = wpabuf_alloc(500 + wps->wps->ap_settings_len);
+	if (plain == NULL)
+		return NULL;
+
+	msg = wpabuf_alloc(1000 + wps->wps->ap_settings_len);
+	if (msg == NULL) {
+		wpabuf_free(plain);
+		return NULL;
+	}
+
+	if (wps_build_version(msg) ||
+	    wps_build_msg_type(msg, WPS_M7) ||
+	    wps_build_registrar_nonce(wps, msg) ||
+	    wps_build_e_snonce2(wps, plain) ||
+	    (wps->wps->ap && wps_build_ap_settings(wps, plain)) ||
+	    wps_build_key_wrap_auth(wps, plain) ||
+	    wps_build_encr_settings(wps, msg, plain) ||
+	    wps_build_wfa_ext(msg, 0, NULL, 0) ||
+	    wps_build_authenticator(wps, msg)) {
+		wpabuf_free(plain);
+		wpabuf_free(msg);
+		return NULL;
+	}
+	wpabuf_free(plain);
+
+	if (wps->wps->ap && wps->wps->registrar) {
+		/*
+		 * If the Registrar is only learning our current configuration,
+		 * it may not continue protocol run to successful completion.
+		 * Store information here to make sure it remains available.
+		 */
+		wps_device_store(wps->wps->registrar, &wps->peer_dev,
+				 wps->uuid_r);
+	}
+
+	wps->state = RECV_M8;
+	return msg;
+}
+
+
+static struct wpabuf * wps_build_wsc_done(struct wps_data *wps)
+{
+	struct wpabuf *msg;
+
+	wpa_printf(MSG_DEBUG, "WPS: Building Message WSC_Done");
+
+	msg = wpabuf_alloc(1000);
+	if (msg == NULL)
+		return NULL;
+
+	if (wps_build_version(msg) ||
+	    wps_build_msg_type(msg, WPS_WSC_DONE) ||
+	    wps_build_enrollee_nonce(wps, msg) ||
+	    wps_build_registrar_nonce(wps, msg) ||
+	    wps_build_wfa_ext(msg, 0, NULL, 0)) {
+		wpabuf_free(msg);
+		return NULL;
+	}
+
+	if (wps->wps->ap)
+		wps->state = RECV_ACK;
+	else {
+		wps_success_event(wps->wps);
+		wps->state = WPS_FINISHED;
+	}
+	return msg;
+}
+
+
+struct wpabuf * wps_enrollee_get_msg(struct wps_data *wps,
+				     enum wsc_op_code *op_code)
+{
+	struct wpabuf *msg;
+
+	switch (wps->state) {
+	case SEND_M1:
+		msg = wps_build_m1(wps);
+		*op_code = WSC_MSG;
+		break;
+	case SEND_M3:
+		msg = wps_build_m3(wps);
+		*op_code = WSC_MSG;
+		break;
+	case SEND_M5:
+		msg = wps_build_m5(wps);
+		*op_code = WSC_MSG;
+		break;
+	case SEND_M7:
+		msg = wps_build_m7(wps);
+		*op_code = WSC_MSG;
+		break;
+	case RECEIVED_M2D:
+		if (wps->wps->ap) {
+			msg = wps_build_wsc_nack(wps);
+			*op_code = WSC_NACK;
+			break;
+		}
+		msg = wps_build_wsc_ack(wps);
+		*op_code = WSC_ACK;
+		if (msg) {
+			/* Another M2/M2D may be received */
+			wps->state = RECV_M2;
+		}
+		break;
+	case SEND_WSC_NACK:
+		msg = wps_build_wsc_nack(wps);
+		*op_code = WSC_NACK;
+		break;
+	case WPS_MSG_DONE:
+		msg = wps_build_wsc_done(wps);
+		*op_code = WSC_Done;
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "WPS: Unsupported state %d for building "
+			   "a message", wps->state);
+		msg = NULL;
+		break;
+	}
+
+	if (*op_code == WSC_MSG && msg) {
+		/* Save a copy of the last message for Authenticator derivation
+		 */
+		wpabuf_free(wps->last_msg);
+		wps->last_msg = wpabuf_dup(msg);
+	}
+
+	return msg;
+}
+
+
+static int wps_process_registrar_nonce(struct wps_data *wps, const u8 *r_nonce)
+{
+	if (r_nonce == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Registrar Nonce received");
+		return -1;
+	}
+
+	os_memcpy(wps->nonce_r, r_nonce, WPS_NONCE_LEN);
+	wpa_hexdump(MSG_DEBUG, "WPS: Registrar Nonce",
+		    wps->nonce_r, WPS_NONCE_LEN);
+
+	return 0;
+}
+
+
+static int wps_process_enrollee_nonce(struct wps_data *wps, const u8 *e_nonce)
+{
+	if (e_nonce == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Enrollee Nonce received");
+		return -1;
+	}
+
+	if (os_memcmp(wps->nonce_e, e_nonce, WPS_NONCE_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "WPS: Invalid Enrollee Nonce received");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int wps_process_uuid_r(struct wps_data *wps, const u8 *uuid_r)
+{
+	if (uuid_r == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No UUID-R received");
+		return -1;
+	}
+
+	os_memcpy(wps->uuid_r, uuid_r, WPS_UUID_LEN);
+	wpa_hexdump(MSG_DEBUG, "WPS: UUID-R", wps->uuid_r, WPS_UUID_LEN);
+
+	return 0;
+}
+
+
+static int wps_process_pubkey(struct wps_data *wps, const u8 *pk,
+			      size_t pk_len)
+{
+	if (pk == NULL || pk_len == 0) {
+		wpa_printf(MSG_DEBUG, "WPS: No Public Key received");
+		return -1;
+	}
+
+#ifdef CONFIG_WPS_OOB
+	if (wps->dev_pw_id != DEV_PW_DEFAULT &&
+	    wps->wps->oob_conf.pubkey_hash) {
+		const u8 *addr[1];
+		u8 hash[WPS_HASH_LEN];
+
+		addr[0] = pk;
+		sha256_vector(1, addr, &pk_len, hash);
+		if (os_memcmp(hash,
+			      wpabuf_head(wps->wps->oob_conf.pubkey_hash),
+			      WPS_OOB_PUBKEY_HASH_LEN) != 0) {
+			wpa_printf(MSG_ERROR, "WPS: Public Key hash error");
+			return -1;
+		}
+	}
+#endif /* CONFIG_WPS_OOB */
+
+	wpabuf_free(wps->dh_pubkey_r);
+	wps->dh_pubkey_r = wpabuf_alloc_copy(pk, pk_len);
+	if (wps->dh_pubkey_r == NULL)
+		return -1;
+
+	if (wps_derive_keys(wps) < 0)
+		return -1;
+
+	return 0;
+}
+
+
+static int wps_process_r_hash1(struct wps_data *wps, const u8 *r_hash1)
+{
+	if (r_hash1 == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No R-Hash1 received");
+		return -1;
+	}
+
+	os_memcpy(wps->peer_hash1, r_hash1, WPS_HASH_LEN);
+	wpa_hexdump(MSG_DEBUG, "WPS: R-Hash1", wps->peer_hash1, WPS_HASH_LEN);
+
+	return 0;
+}
+
+
+static int wps_process_r_hash2(struct wps_data *wps, const u8 *r_hash2)
+{
+	if (r_hash2 == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No R-Hash2 received");
+		return -1;
+	}
+
+	os_memcpy(wps->peer_hash2, r_hash2, WPS_HASH_LEN);
+	wpa_hexdump(MSG_DEBUG, "WPS: R-Hash2", wps->peer_hash2, WPS_HASH_LEN);
+
+	return 0;
+}
+
+
+static int wps_process_r_snonce1(struct wps_data *wps, const u8 *r_snonce1)
+{
+	u8 hash[SHA256_MAC_LEN];
+	const u8 *addr[4];
+	size_t len[4];
+
+	if (r_snonce1 == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No R-SNonce1 received");
+		return -1;
+	}
+
+	wpa_hexdump_key(MSG_DEBUG, "WPS: R-SNonce1", r_snonce1,
+			WPS_SECRET_NONCE_LEN);
+
+	/* R-Hash1 = HMAC_AuthKey(R-S1 || PSK1 || PK_E || PK_R) */
+	addr[0] = r_snonce1;
+	len[0] = WPS_SECRET_NONCE_LEN;
+	addr[1] = wps->psk1;
+	len[1] = WPS_PSK_LEN;
+	addr[2] = wpabuf_head(wps->dh_pubkey_e);
+	len[2] = wpabuf_len(wps->dh_pubkey_e);
+	addr[3] = wpabuf_head(wps->dh_pubkey_r);
+	len[3] = wpabuf_len(wps->dh_pubkey_r);
+	hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash);
+
+	if (os_memcmp(wps->peer_hash1, hash, WPS_HASH_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "WPS: R-Hash1 derived from R-S1 does "
+			   "not match with the pre-committed value");
+		wps->config_error = WPS_CFG_DEV_PASSWORD_AUTH_FAILURE;
+		wps_pwd_auth_fail_event(wps->wps, 1, 1);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS: Registrar proved knowledge of the first "
+		   "half of the device password");
+
+	return 0;
+}
+
+
+static int wps_process_r_snonce2(struct wps_data *wps, const u8 *r_snonce2)
+{
+	u8 hash[SHA256_MAC_LEN];
+	const u8 *addr[4];
+	size_t len[4];
+
+	if (r_snonce2 == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No R-SNonce2 received");
+		return -1;
+	}
+
+	wpa_hexdump_key(MSG_DEBUG, "WPS: R-SNonce2", r_snonce2,
+			WPS_SECRET_NONCE_LEN);
+
+	/* R-Hash2 = HMAC_AuthKey(R-S2 || PSK2 || PK_E || PK_R) */
+	addr[0] = r_snonce2;
+	len[0] = WPS_SECRET_NONCE_LEN;
+	addr[1] = wps->psk2;
+	len[1] = WPS_PSK_LEN;
+	addr[2] = wpabuf_head(wps->dh_pubkey_e);
+	len[2] = wpabuf_len(wps->dh_pubkey_e);
+	addr[3] = wpabuf_head(wps->dh_pubkey_r);
+	len[3] = wpabuf_len(wps->dh_pubkey_r);
+	hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash);
+
+	if (os_memcmp(wps->peer_hash2, hash, WPS_HASH_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "WPS: R-Hash2 derived from R-S2 does "
+			   "not match with the pre-committed value");
+		wps->config_error = WPS_CFG_DEV_PASSWORD_AUTH_FAILURE;
+		wps_pwd_auth_fail_event(wps->wps, 1, 2);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS: Registrar proved knowledge of the second "
+		   "half of the device password");
+
+	return 0;
+}
+
+
+static int wps_process_cred_e(struct wps_data *wps, const u8 *cred,
+			      size_t cred_len, int wps2)
+{
+	struct wps_parse_attr attr;
+	struct wpabuf msg;
+
+	wpa_printf(MSG_DEBUG, "WPS: Received Credential");
+	os_memset(&wps->cred, 0, sizeof(wps->cred));
+	wpabuf_set(&msg, cred, cred_len);
+	if (wps_parse_msg(&msg, &attr) < 0 ||
+	    wps_process_cred(&attr, &wps->cred))
+		return -1;
+
+	if (os_memcmp(wps->cred.mac_addr, wps->wps->dev.mac_addr, ETH_ALEN) !=
+	    0) {
+		wpa_printf(MSG_DEBUG, "WPS: MAC Address in the Credential ("
+			   MACSTR ") does not match with own address (" MACSTR
+			   ")", MAC2STR(wps->cred.mac_addr),
+			   MAC2STR(wps->wps->dev.mac_addr));
+		/*
+		 * In theory, this could be consider fatal error, but there are
+		 * number of deployed implementations using other address here
+		 * due to unclarity in the specification. For interoperability
+		 * reasons, allow this to be processed since we do not really
+		 * use the MAC Address information for anything.
+		 */
+#ifdef CONFIG_WPS_STRICT
+		if (wps2) {
+			wpa_printf(MSG_INFO, "WPS: Do not accept incorrect "
+				   "MAC Address in AP Settings");
+			return -1;
+		}
+#endif /* CONFIG_WPS_STRICT */
+	}
+
+#ifdef CONFIG_WPS2
+	if (!(wps->cred.encr_type &
+	      (WPS_ENCR_NONE | WPS_ENCR_TKIP | WPS_ENCR_AES))) {
+		if (wps->cred.encr_type & WPS_ENCR_WEP) {
+			wpa_printf(MSG_INFO, "WPS: Reject Credential "
+				   "due to WEP configuration");
+			wps->error_indication = WPS_EI_SECURITY_WEP_PROHIBITED;
+			return -2;
+		}
+
+		wpa_printf(MSG_INFO, "WPS: Reject Credential due to "
+			   "invalid encr_type 0x%x", wps->cred.encr_type);
+		return -1;
+	}
+#endif /* CONFIG_WPS2 */
+
+	if (wps->wps->cred_cb) {
+		wps->cred.cred_attr = cred - 4;
+		wps->cred.cred_attr_len = cred_len + 4;
+		wps->wps->cred_cb(wps->wps->cb_ctx, &wps->cred);
+		wps->cred.cred_attr = NULL;
+		wps->cred.cred_attr_len = 0;
+	}
+
+	return 0;
+}
+
+
+static int wps_process_creds(struct wps_data *wps, const u8 *cred[],
+			     size_t cred_len[], size_t num_cred, int wps2)
+{
+	size_t i;
+	int ok = 0;
+
+	if (wps->wps->ap)
+		return 0;
+
+	if (num_cred == 0) {
+		wpa_printf(MSG_DEBUG, "WPS: No Credential attributes "
+			   "received");
+		return -1;
+	}
+
+	for (i = 0; i < num_cred; i++) {
+		int res;
+		res = wps_process_cred_e(wps, cred[i], cred_len[i], wps2);
+		if (res == 0)
+			ok++;
+		else if (res == -2)
+			wpa_printf(MSG_DEBUG, "WPS: WEP credential skipped");
+		else
+			return -1;
+	}
+
+	if (ok == 0) {
+		wpa_printf(MSG_DEBUG, "WPS: No valid Credential attribute "
+			   "received");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int wps_process_ap_settings_e(struct wps_data *wps,
+				     struct wps_parse_attr *attr,
+				     struct wpabuf *attrs, int wps2)
+{
+	struct wps_credential cred;
+
+	if (!wps->wps->ap)
+		return 0;
+
+	if (wps_process_ap_settings(attr, &cred) < 0)
+		return -1;
+
+	wpa_printf(MSG_INFO, "WPS: Received new AP configuration from "
+		   "Registrar");
+
+	if (os_memcmp(cred.mac_addr, wps->wps->dev.mac_addr, ETH_ALEN) !=
+	    0) {
+		wpa_printf(MSG_DEBUG, "WPS: MAC Address in the AP Settings ("
+			   MACSTR ") does not match with own address (" MACSTR
+			   ")", MAC2STR(cred.mac_addr),
+			   MAC2STR(wps->wps->dev.mac_addr));
+		/*
+		 * In theory, this could be consider fatal error, but there are
+		 * number of deployed implementations using other address here
+		 * due to unclarity in the specification. For interoperability
+		 * reasons, allow this to be processed since we do not really
+		 * use the MAC Address information for anything.
+		 */
+#ifdef CONFIG_WPS_STRICT
+		if (wps2) {
+			wpa_printf(MSG_INFO, "WPS: Do not accept incorrect "
+				   "MAC Address in AP Settings");
+			return -1;
+		}
+#endif /* CONFIG_WPS_STRICT */
+	}
+
+#ifdef CONFIG_WPS2
+	if (!(cred.encr_type & (WPS_ENCR_NONE | WPS_ENCR_TKIP | WPS_ENCR_AES)))
+	{
+		if (cred.encr_type & WPS_ENCR_WEP) {
+			wpa_printf(MSG_INFO, "WPS: Reject new AP settings "
+				   "due to WEP configuration");
+			wps->error_indication = WPS_EI_SECURITY_WEP_PROHIBITED;
+			return -1;
+		}
+
+		wpa_printf(MSG_INFO, "WPS: Reject new AP settings due to "
+			   "invalid encr_type 0x%x", cred.encr_type);
+		return -1;
+	}
+#endif /* CONFIG_WPS2 */
+
+#ifdef CONFIG_WPS_STRICT
+	if (wps2) {
+		if ((cred.encr_type & (WPS_ENCR_TKIP | WPS_ENCR_AES)) ==
+		    WPS_ENCR_TKIP ||
+		    (cred.auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) ==
+		    WPS_AUTH_WPAPSK) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Invalid WSC 2.0 "
+				   "AP Settings: WPA-Personal/TKIP only");
+			wps->error_indication =
+				WPS_EI_SECURITY_TKIP_ONLY_PROHIBITED;
+			return -1;
+		}
+	}
+#endif /* CONFIG_WPS_STRICT */
+
+#ifdef CONFIG_WPS2
+	if ((cred.encr_type & (WPS_ENCR_TKIP | WPS_ENCR_AES)) == WPS_ENCR_TKIP)
+	{
+		wpa_printf(MSG_DEBUG, "WPS: Upgrade encr_type TKIP -> "
+			   "TKIP+AES");
+		cred.encr_type |= WPS_ENCR_AES;
+	}
+
+	if ((cred.auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) ==
+	    WPS_AUTH_WPAPSK) {
+		wpa_printf(MSG_DEBUG, "WPS: Upgrade auth_type WPAPSK -> "
+			   "WPAPSK+WPA2PSK");
+		cred.auth_type |= WPS_AUTH_WPA2PSK;
+	}
+#endif /* CONFIG_WPS2 */
+
+	if (wps->wps->cred_cb) {
+		cred.cred_attr = wpabuf_head(attrs);
+		cred.cred_attr_len = wpabuf_len(attrs);
+		wps->wps->cred_cb(wps->wps->cb_ctx, &cred);
+	}
+
+	return 0;
+}
+
+
+static enum wps_process_res wps_process_m2(struct wps_data *wps,
+					   const struct wpabuf *msg,
+					   struct wps_parse_attr *attr)
+{
+	wpa_printf(MSG_DEBUG, "WPS: Received M2");
+
+	if (wps->state != RECV_M2) {
+		wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for "
+			   "receiving M2", wps->state);
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	if (wps_process_registrar_nonce(wps, attr->registrar_nonce) ||
+	    wps_process_enrollee_nonce(wps, attr->enrollee_nonce) ||
+	    wps_process_uuid_r(wps, attr->uuid_r)) {
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	/*
+	 * Stop here on an AP as an Enrollee if AP Setup is locked unless the
+	 * special locked mode is used to allow protocol run up to M7 in order
+	 * to support external Registrars that only learn the current AP
+	 * configuration without changing it.
+	 */
+	if (wps->wps->ap &&
+	    ((wps->wps->ap_setup_locked && wps->wps->ap_setup_locked != 2) ||
+	     wps->dev_password == NULL)) {
+		wpa_printf(MSG_DEBUG, "WPS: AP Setup is locked - refuse "
+			   "registration of a new Registrar");
+		wps->config_error = WPS_CFG_SETUP_LOCKED;
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	if (wps_process_pubkey(wps, attr->public_key, attr->public_key_len) ||
+	    wps_process_authenticator(wps, attr->authenticator, msg) ||
+	    wps_process_device_attrs(&wps->peer_dev, attr)) {
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	wps->state = SEND_M3;
+	return WPS_CONTINUE;
+}
+
+
+static enum wps_process_res wps_process_m2d(struct wps_data *wps,
+					    struct wps_parse_attr *attr)
+{
+	wpa_printf(MSG_DEBUG, "WPS: Received M2D");
+
+	if (wps->state != RECV_M2) {
+		wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for "
+			   "receiving M2D", wps->state);
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	wpa_hexdump_ascii(MSG_DEBUG, "WPS: Manufacturer",
+			  attr->manufacturer, attr->manufacturer_len);
+	wpa_hexdump_ascii(MSG_DEBUG, "WPS: Model Name",
+			  attr->model_name, attr->model_name_len);
+	wpa_hexdump_ascii(MSG_DEBUG, "WPS: Model Number",
+			  attr->model_number, attr->model_number_len);
+	wpa_hexdump_ascii(MSG_DEBUG, "WPS: Serial Number",
+			  attr->serial_number, attr->serial_number_len);
+	wpa_hexdump_ascii(MSG_DEBUG, "WPS: Device Name",
+			  attr->dev_name, attr->dev_name_len);
+
+	if (wps->wps->event_cb) {
+		union wps_event_data data;
+		struct wps_event_m2d *m2d = &data.m2d;
+		os_memset(&data, 0, sizeof(data));
+		if (attr->config_methods)
+			m2d->config_methods =
+				WPA_GET_BE16(attr->config_methods);
+		m2d->manufacturer = attr->manufacturer;
+		m2d->manufacturer_len = attr->manufacturer_len;
+		m2d->model_name = attr->model_name;
+		m2d->model_name_len = attr->model_name_len;
+		m2d->model_number = attr->model_number;
+		m2d->model_number_len = attr->model_number_len;
+		m2d->serial_number = attr->serial_number;
+		m2d->serial_number_len = attr->serial_number_len;
+		m2d->dev_name = attr->dev_name;
+		m2d->dev_name_len = attr->dev_name_len;
+		m2d->primary_dev_type = attr->primary_dev_type;
+		if (attr->config_error)
+			m2d->config_error =
+				WPA_GET_BE16(attr->config_error);
+		if (attr->dev_password_id)
+			m2d->dev_password_id =
+				WPA_GET_BE16(attr->dev_password_id);
+		wps->wps->event_cb(wps->wps->cb_ctx, WPS_EV_M2D, &data);
+	}
+
+	wps->state = RECEIVED_M2D;
+	return WPS_CONTINUE;
+}
+
+
+static enum wps_process_res wps_process_m4(struct wps_data *wps,
+					   const struct wpabuf *msg,
+					   struct wps_parse_attr *attr)
+{
+	struct wpabuf *decrypted;
+	struct wps_parse_attr eattr;
+
+	wpa_printf(MSG_DEBUG, "WPS: Received M4");
+
+	if (wps->state != RECV_M4) {
+		wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for "
+			   "receiving M4", wps->state);
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	if (wps_process_enrollee_nonce(wps, attr->enrollee_nonce) ||
+	    wps_process_authenticator(wps, attr->authenticator, msg) ||
+	    wps_process_r_hash1(wps, attr->r_hash1) ||
+	    wps_process_r_hash2(wps, attr->r_hash2)) {
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	decrypted = wps_decrypt_encr_settings(wps, attr->encr_settings,
+					      attr->encr_settings_len);
+	if (decrypted == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: Failed to decrypted Encrypted "
+			   "Settings attribute");
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	if (wps_validate_m4_encr(decrypted, attr->version2 != 0) < 0) {
+		wpabuf_free(decrypted);
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS: Processing decrypted Encrypted Settings "
+		   "attribute");
+	if (wps_parse_msg(decrypted, &eattr) < 0 ||
+	    wps_process_key_wrap_auth(wps, decrypted, eattr.key_wrap_auth) ||
+	    wps_process_r_snonce1(wps, eattr.r_snonce1)) {
+		wpabuf_free(decrypted);
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+	wpabuf_free(decrypted);
+
+	wps->state = SEND_M5;
+	return WPS_CONTINUE;
+}
+
+
+static enum wps_process_res wps_process_m6(struct wps_data *wps,
+					   const struct wpabuf *msg,
+					   struct wps_parse_attr *attr)
+{
+	struct wpabuf *decrypted;
+	struct wps_parse_attr eattr;
+
+	wpa_printf(MSG_DEBUG, "WPS: Received M6");
+
+	if (wps->state != RECV_M6) {
+		wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for "
+			   "receiving M6", wps->state);
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	if (wps_process_enrollee_nonce(wps, attr->enrollee_nonce) ||
+	    wps_process_authenticator(wps, attr->authenticator, msg)) {
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	decrypted = wps_decrypt_encr_settings(wps, attr->encr_settings,
+					      attr->encr_settings_len);
+	if (decrypted == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: Failed to decrypted Encrypted "
+			   "Settings attribute");
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	if (wps_validate_m6_encr(decrypted, attr->version2 != 0) < 0) {
+		wpabuf_free(decrypted);
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS: Processing decrypted Encrypted Settings "
+		   "attribute");
+	if (wps_parse_msg(decrypted, &eattr) < 0 ||
+	    wps_process_key_wrap_auth(wps, decrypted, eattr.key_wrap_auth) ||
+	    wps_process_r_snonce2(wps, eattr.r_snonce2)) {
+		wpabuf_free(decrypted);
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+	wpabuf_free(decrypted);
+
+	wps->state = SEND_M7;
+	return WPS_CONTINUE;
+}
+
+
+static enum wps_process_res wps_process_m8(struct wps_data *wps,
+					   const struct wpabuf *msg,
+					   struct wps_parse_attr *attr)
+{
+	struct wpabuf *decrypted;
+	struct wps_parse_attr eattr;
+
+	wpa_printf(MSG_DEBUG, "WPS: Received M8");
+
+	if (wps->state != RECV_M8) {
+		wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for "
+			   "receiving M8", wps->state);
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	if (wps_process_enrollee_nonce(wps, attr->enrollee_nonce) ||
+	    wps_process_authenticator(wps, attr->authenticator, msg)) {
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	if (wps->wps->ap && wps->wps->ap_setup_locked) {
+		/*
+		 * Stop here if special ap_setup_locked == 2 mode allowed the
+		 * protocol to continue beyond M2. This allows ER to learn the
+		 * current AP settings without changing them.
+		 */
+		wpa_printf(MSG_DEBUG, "WPS: AP Setup is locked - refuse "
+			   "registration of a new Registrar");
+		wps->config_error = WPS_CFG_SETUP_LOCKED;
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	decrypted = wps_decrypt_encr_settings(wps, attr->encr_settings,
+					      attr->encr_settings_len);
+	if (decrypted == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: Failed to decrypted Encrypted "
+			   "Settings attribute");
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	if (wps_validate_m8_encr(decrypted, wps->wps->ap, attr->version2 != 0)
+	    < 0) {
+		wpabuf_free(decrypted);
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS: Processing decrypted Encrypted Settings "
+		   "attribute");
+	if (wps_parse_msg(decrypted, &eattr) < 0 ||
+	    wps_process_key_wrap_auth(wps, decrypted, eattr.key_wrap_auth) ||
+	    wps_process_creds(wps, eattr.cred, eattr.cred_len,
+			      eattr.num_cred, attr->version2 != NULL) ||
+	    wps_process_ap_settings_e(wps, &eattr, decrypted,
+				      attr->version2 != NULL)) {
+		wpabuf_free(decrypted);
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+	wpabuf_free(decrypted);
+
+	wps->state = WPS_MSG_DONE;
+	return WPS_CONTINUE;
+}
+
+
+static enum wps_process_res wps_process_wsc_msg(struct wps_data *wps,
+						const struct wpabuf *msg)
+{
+	struct wps_parse_attr attr;
+	enum wps_process_res ret = WPS_CONTINUE;
+
+	wpa_printf(MSG_DEBUG, "WPS: Received WSC_MSG");
+
+	if (wps_parse_msg(msg, &attr) < 0)
+		return WPS_FAILURE;
+
+	if (attr.enrollee_nonce == NULL ||
+	    os_memcmp(wps->nonce_e, attr.enrollee_nonce, WPS_NONCE_LEN != 0)) {
+		wpa_printf(MSG_DEBUG, "WPS: Mismatch in enrollee nonce");
+		return WPS_FAILURE;
+	}
+
+	if (attr.msg_type == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute");
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	switch (*attr.msg_type) {
+	case WPS_M2:
+		if (wps_validate_m2(msg) < 0)
+			return WPS_FAILURE;
+		ret = wps_process_m2(wps, msg, &attr);
+		break;
+	case WPS_M2D:
+		if (wps_validate_m2d(msg) < 0)
+			return WPS_FAILURE;
+		ret = wps_process_m2d(wps, &attr);
+		break;
+	case WPS_M4:
+		if (wps_validate_m4(msg) < 0)
+			return WPS_FAILURE;
+		ret = wps_process_m4(wps, msg, &attr);
+		if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK)
+			wps_fail_event(wps->wps, WPS_M4, wps->config_error,
+				       wps->error_indication);
+		break;
+	case WPS_M6:
+		if (wps_validate_m6(msg) < 0)
+			return WPS_FAILURE;
+		ret = wps_process_m6(wps, msg, &attr);
+		if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK)
+			wps_fail_event(wps->wps, WPS_M6, wps->config_error,
+				       wps->error_indication);
+		break;
+	case WPS_M8:
+		if (wps_validate_m8(msg) < 0)
+			return WPS_FAILURE;
+		ret = wps_process_m8(wps, msg, &attr);
+		if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK)
+			wps_fail_event(wps->wps, WPS_M8, wps->config_error,
+				       wps->error_indication);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "WPS: Unsupported Message Type %d",
+			   *attr.msg_type);
+		return WPS_FAILURE;
+	}
+
+	/*
+	 * Save a copy of the last message for Authenticator derivation if we
+	 * are continuing. However, skip M2D since it is not authenticated and
+	 * neither is the ACK/NACK response frame. This allows the possibly
+	 * following M2 to be processed correctly by using the previously sent
+	 * M1 in Authenticator derivation.
+	 */
+	if (ret == WPS_CONTINUE && *attr.msg_type != WPS_M2D) {
+		/* Save a copy of the last message for Authenticator derivation
+		 */
+		wpabuf_free(wps->last_msg);
+		wps->last_msg = wpabuf_dup(msg);
+	}
+
+	return ret;
+}
+
+
+static enum wps_process_res wps_process_wsc_ack(struct wps_data *wps,
+						const struct wpabuf *msg)
+{
+	struct wps_parse_attr attr;
+
+	wpa_printf(MSG_DEBUG, "WPS: Received WSC_ACK");
+
+	if (wps_parse_msg(msg, &attr) < 0)
+		return WPS_FAILURE;
+
+	if (attr.msg_type == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute");
+		return WPS_FAILURE;
+	}
+
+	if (*attr.msg_type != WPS_WSC_ACK) {
+		wpa_printf(MSG_DEBUG, "WPS: Invalid Message Type %d",
+			   *attr.msg_type);
+		return WPS_FAILURE;
+	}
+
+	if (attr.registrar_nonce == NULL ||
+	    os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN != 0))
+	{
+		wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce");
+		return WPS_FAILURE;
+	}
+
+	if (attr.enrollee_nonce == NULL ||
+	    os_memcmp(wps->nonce_e, attr.enrollee_nonce, WPS_NONCE_LEN != 0)) {
+		wpa_printf(MSG_DEBUG, "WPS: Mismatch in enrollee nonce");
+		return WPS_FAILURE;
+	}
+
+	if (wps->state == RECV_ACK && wps->wps->ap) {
+		wpa_printf(MSG_DEBUG, "WPS: External Registrar registration "
+			   "completed successfully");
+		wps_success_event(wps->wps);
+		wps->state = WPS_FINISHED;
+		return WPS_DONE;
+	}
+
+	return WPS_FAILURE;
+}
+
+
+static enum wps_process_res wps_process_wsc_nack(struct wps_data *wps,
+						 const struct wpabuf *msg)
+{
+	struct wps_parse_attr attr;
+	u16 config_error;
+
+	wpa_printf(MSG_DEBUG, "WPS: Received WSC_NACK");
+
+	if (wps_parse_msg(msg, &attr) < 0)
+		return WPS_FAILURE;
+
+	if (attr.msg_type == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute");
+		return WPS_FAILURE;
+	}
+
+	if (*attr.msg_type != WPS_WSC_NACK) {
+		wpa_printf(MSG_DEBUG, "WPS: Invalid Message Type %d",
+			   *attr.msg_type);
+		return WPS_FAILURE;
+	}
+
+	if (attr.registrar_nonce == NULL ||
+	    os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN != 0))
+	{
+		wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce");
+		wpa_hexdump(MSG_DEBUG, "WPS: Received Registrar Nonce",
+			    attr.registrar_nonce, WPS_NONCE_LEN);
+		wpa_hexdump(MSG_DEBUG, "WPS: Expected Registrar Nonce",
+			    wps->nonce_r, WPS_NONCE_LEN);
+		return WPS_FAILURE;
+	}
+
+	if (attr.enrollee_nonce == NULL ||
+	    os_memcmp(wps->nonce_e, attr.enrollee_nonce, WPS_NONCE_LEN != 0)) {
+		wpa_printf(MSG_DEBUG, "WPS: Mismatch in enrollee nonce");
+		wpa_hexdump(MSG_DEBUG, "WPS: Received Enrollee Nonce",
+			    attr.enrollee_nonce, WPS_NONCE_LEN);
+		wpa_hexdump(MSG_DEBUG, "WPS: Expected Enrollee Nonce",
+			    wps->nonce_e, WPS_NONCE_LEN);
+		return WPS_FAILURE;
+	}
+
+	if (attr.config_error == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Configuration Error attribute "
+			   "in WSC_NACK");
+		return WPS_FAILURE;
+	}
+
+	config_error = WPA_GET_BE16(attr.config_error);
+	wpa_printf(MSG_DEBUG, "WPS: Registrar terminated negotiation with "
+		   "Configuration Error %d", config_error);
+
+	switch (wps->state) {
+	case RECV_M4:
+		wps_fail_event(wps->wps, WPS_M3, config_error,
+			       wps->error_indication);
+		break;
+	case RECV_M6:
+		wps_fail_event(wps->wps, WPS_M5, config_error,
+			       wps->error_indication);
+		break;
+	case RECV_M8:
+		wps_fail_event(wps->wps, WPS_M7, config_error,
+			       wps->error_indication);
+		break;
+	default:
+		break;
+	}
+
+	/* Followed by NACK if Enrollee is Supplicant or EAP-Failure if
+	 * Enrollee is Authenticator */
+	wps->state = SEND_WSC_NACK;
+
+	return WPS_FAILURE;
+}
+
+
+enum wps_process_res wps_enrollee_process_msg(struct wps_data *wps,
+					      enum wsc_op_code op_code,
+					      const struct wpabuf *msg)
+{
+
+	wpa_printf(MSG_DEBUG, "WPS: Processing received message (len=%lu "
+		   "op_code=%d)",
+		   (unsigned long) wpabuf_len(msg), op_code);
+
+	if (op_code == WSC_UPnP) {
+		/* Determine the OpCode based on message type attribute */
+		struct wps_parse_attr attr;
+		if (wps_parse_msg(msg, &attr) == 0 && attr.msg_type) {
+			if (*attr.msg_type == WPS_WSC_ACK)
+				op_code = WSC_ACK;
+			else if (*attr.msg_type == WPS_WSC_NACK)
+				op_code = WSC_NACK;
+		}
+	}
+
+	switch (op_code) {
+	case WSC_MSG:
+	case WSC_UPnP:
+		return wps_process_wsc_msg(wps, msg);
+	case WSC_ACK:
+		if (wps_validate_wsc_ack(msg) < 0)
+			return WPS_FAILURE;
+		return wps_process_wsc_ack(wps, msg);
+	case WSC_NACK:
+		if (wps_validate_wsc_nack(msg) < 0)
+			return WPS_FAILURE;
+		return wps_process_wsc_nack(wps, msg);
+	default:
+		wpa_printf(MSG_DEBUG, "WPS: Unsupported op_code %d", op_code);
+		return WPS_FAILURE;
+	}
+}
diff --git a/src/wps/wps_er.c b/src/wps/wps_er.c
new file mode 100644
index 0000000..a461836
--- /dev/null
+++ b/src/wps/wps_er.c
@@ -0,0 +1,1959 @@
+/*
+ * Wi-Fi Protected Setup - External Registrar
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "base64.h"
+#include "uuid.h"
+#include "eloop.h"
+#include "httpread.h"
+#include "http_client.h"
+#include "http_server.h"
+#include "upnp_xml.h"
+#include "wps_i.h"
+#include "wps_upnp.h"
+#include "wps_upnp_i.h"
+#include "wps_er.h"
+
+
+static void wps_er_deinit_finish(void *eloop_data, void *user_ctx);
+static void wps_er_ap_timeout(void *eloop_data, void *user_ctx);
+static void wps_er_sta_timeout(void *eloop_data, void *user_ctx);
+static void wps_er_ap_process(struct wps_er_ap *ap, struct wpabuf *msg);
+static int wps_er_send_get_device_info(struct wps_er_ap *ap,
+				       void (*m1_handler)(struct wps_er_ap *ap,
+							  struct wpabuf *m1));
+
+
+static void wps_er_sta_event(struct wps_context *wps, struct wps_er_sta *sta,
+			     enum wps_event event)
+{
+	union wps_event_data data;
+	struct wps_event_er_enrollee *ev = &data.enrollee;
+
+	if (wps->event_cb == NULL)
+		return;
+
+	os_memset(&data, 0, sizeof(data));
+	ev->uuid = sta->uuid;
+	ev->mac_addr = sta->addr;
+	ev->m1_received = sta->m1_received;
+	ev->config_methods = sta->config_methods;
+	ev->dev_passwd_id = sta->dev_passwd_id;
+	ev->pri_dev_type = sta->pri_dev_type;
+	ev->dev_name = sta->dev_name;
+	ev->manufacturer = sta->manufacturer;
+	ev->model_name = sta->model_name;
+	ev->model_number = sta->model_number;
+	ev->serial_number = sta->serial_number;
+	wps->event_cb(wps->cb_ctx, event, &data);
+}
+
+
+static struct wps_er_sta * wps_er_sta_get(struct wps_er_ap *ap, const u8 *addr,
+					  const u8 *uuid)
+{
+	struct wps_er_sta *sta;
+	dl_list_for_each(sta, &ap->sta, struct wps_er_sta, list) {
+		if ((addr == NULL ||
+		     os_memcmp(sta->addr, addr, ETH_ALEN) == 0) &&
+		    (uuid == NULL ||
+		     os_memcmp(uuid, sta->uuid, WPS_UUID_LEN) == 0))
+			return sta;
+	}
+	return NULL;
+}
+
+
+static void wps_er_sta_free(struct wps_er_sta *sta)
+{
+	wps_er_sta_event(sta->ap->er->wps, sta, WPS_EV_ER_ENROLLEE_REMOVE);
+	if (sta->wps)
+		wps_deinit(sta->wps);
+	os_free(sta->manufacturer);
+	os_free(sta->model_name);
+	os_free(sta->model_number);
+	os_free(sta->serial_number);
+	os_free(sta->dev_name);
+	http_client_free(sta->http);
+	eloop_cancel_timeout(wps_er_sta_timeout, sta, NULL);
+	os_free(sta->cred);
+	os_free(sta);
+}
+
+
+static void wps_er_sta_remove_all(struct wps_er_ap *ap)
+{
+	struct wps_er_sta *prev, *sta;
+	dl_list_for_each_safe(sta, prev, &ap->sta, struct wps_er_sta, list)
+		wps_er_sta_free(sta);
+}
+
+
+static struct wps_er_ap * wps_er_ap_get(struct wps_er *er,
+					struct in_addr *addr, const u8 *uuid)
+{
+	struct wps_er_ap *ap;
+	dl_list_for_each(ap, &er->ap, struct wps_er_ap, list) {
+		if ((addr == NULL || ap->addr.s_addr == addr->s_addr) &&
+		    (uuid == NULL ||
+		     os_memcmp(uuid, ap->uuid, WPS_UUID_LEN) == 0))
+			return ap;
+	}
+	return NULL;
+}
+
+
+static struct wps_er_ap * wps_er_ap_get_id(struct wps_er *er, unsigned int id)
+{
+	struct wps_er_ap *ap;
+	dl_list_for_each(ap, &er->ap, struct wps_er_ap, list) {
+		if (ap->id == id)
+			return ap;
+	}
+	return NULL;
+}
+
+
+static void wps_er_ap_event(struct wps_context *wps, struct wps_er_ap *ap,
+			    enum wps_event event)
+{
+	union wps_event_data data;
+	struct wps_event_er_ap *evap = &data.ap;
+
+	if (wps->event_cb == NULL)
+		return;
+
+	os_memset(&data, 0, sizeof(data));
+	evap->uuid = ap->uuid;
+	evap->friendly_name = ap->friendly_name;
+	evap->manufacturer = ap->manufacturer;
+	evap->manufacturer_url = ap->manufacturer_url;
+	evap->model_description = ap->model_description;
+	evap->model_name = ap->model_name;
+	evap->model_number = ap->model_number;
+	evap->model_url = ap->model_url;
+	evap->serial_number = ap->serial_number;
+	evap->upc = ap->upc;
+	evap->pri_dev_type = ap->pri_dev_type;
+	evap->wps_state = ap->wps_state;
+	evap->mac_addr = ap->mac_addr;
+	wps->event_cb(wps->cb_ctx, event, &data);
+}
+
+
+static void wps_er_ap_free(struct wps_er_ap *ap)
+{
+	http_client_free(ap->http);
+	ap->http = NULL;
+
+	os_free(ap->location);
+	os_free(ap->friendly_name);
+	os_free(ap->manufacturer);
+	os_free(ap->manufacturer_url);
+	os_free(ap->model_description);
+	os_free(ap->model_name);
+	os_free(ap->model_number);
+	os_free(ap->model_url);
+	os_free(ap->serial_number);
+	os_free(ap->udn);
+	os_free(ap->upc);
+
+	os_free(ap->scpd_url);
+	os_free(ap->control_url);
+	os_free(ap->event_sub_url);
+
+	os_free(ap->ap_settings);
+
+	os_free(ap);
+}
+
+
+static void wps_er_ap_unsubscribed(struct wps_er *er, struct wps_er_ap *ap)
+{
+	wpa_printf(MSG_DEBUG, "WPS ER: Unsubscribed from AP %s (%s)",
+		   inet_ntoa(ap->addr), ap->location);
+	dl_list_del(&ap->list);
+	wps_er_ap_free(ap);
+
+	if (er->deinitializing && dl_list_empty(&er->ap_unsubscribing)) {
+		eloop_cancel_timeout(wps_er_deinit_finish, er, NULL);
+		wps_er_deinit_finish(er, NULL);
+	}
+}
+
+
+static void wps_er_http_unsubscribe_cb(void *ctx, struct http_client *c,
+				       enum http_client_event event)
+{
+	struct wps_er_ap *ap = ctx;
+
+	switch (event) {
+	case HTTP_CLIENT_OK:
+		wpa_printf(MSG_DEBUG, "WPS ER: Unsubscribed from events");
+		ap->subscribed = 0;
+		break;
+	case HTTP_CLIENT_FAILED:
+	case HTTP_CLIENT_INVALID_REPLY:
+	case HTTP_CLIENT_TIMEOUT:
+		wpa_printf(MSG_DEBUG, "WPS ER: Failed to unsubscribe from "
+			   "events");
+		break;
+	}
+	http_client_free(ap->http);
+	ap->http = NULL;
+
+	/*
+	 * Need to get rid of the AP entry regardless of whether we managed to
+	 * unsubscribe cleanly or not.
+	 */
+	wps_er_ap_unsubscribed(ap->er, ap);
+}
+
+
+static void wps_er_ap_unsubscribe(struct wps_er *er, struct wps_er_ap *ap)
+{
+	struct wpabuf *req;
+	struct sockaddr_in dst;
+	char *url, *path;
+	char sid[100];
+
+	if (ap->event_sub_url == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS ER: No eventSubURL - cannot "
+			   "subscribe");
+		goto fail;
+	}
+	if (ap->http) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Pending HTTP request - cannot "
+			   "send subscribe request");
+		goto fail;
+	}
+
+	url = http_client_url_parse(ap->event_sub_url, &dst, &path);
+	if (url == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Failed to parse eventSubURL");
+		goto fail;
+	}
+
+	req = wpabuf_alloc(os_strlen(ap->event_sub_url) + 1000);
+	if (req == NULL) {
+		os_free(url);
+		goto fail;
+	}
+	uuid_bin2str(ap->sid, sid, sizeof(sid));
+	wpabuf_printf(req,
+		      "UNSUBSCRIBE %s HTTP/1.1\r\n"
+		      "HOST: %s:%d\r\n"
+		      "SID: uuid:%s\r\n"
+		      "\r\n",
+		      path, inet_ntoa(dst.sin_addr), ntohs(dst.sin_port), sid);
+	os_free(url);
+	wpa_hexdump_ascii(MSG_MSGDUMP, "WPS ER: Unsubscription request",
+			  wpabuf_head(req), wpabuf_len(req));
+
+	ap->http = http_client_addr(&dst, req, 1000,
+				    wps_er_http_unsubscribe_cb, ap);
+	if (ap->http == NULL) {
+		wpabuf_free(req);
+		goto fail;
+	}
+	return;
+
+fail:
+	/*
+	 * Need to get rid of the AP entry even when we fail to unsubscribe
+	 * cleanly.
+	 */
+	wps_er_ap_unsubscribed(ap->er, ap);
+}
+
+
+static struct wps_er_ap_settings * wps_er_ap_get_settings(struct wps_er *er,
+							  const u8 *uuid)
+{
+	struct wps_er_ap_settings *s;
+	dl_list_for_each(s, &er->ap_settings, struct wps_er_ap_settings, list)
+		if (os_memcmp(uuid, s->uuid, WPS_UUID_LEN) == 0)
+			return s;
+	return NULL;
+}
+
+
+int wps_er_ap_cache_settings(struct wps_er *er, struct in_addr *addr)
+{
+	struct wps_er_ap *ap;
+	struct wps_er_ap_settings *settings;
+
+	ap = wps_er_ap_get(er, addr, NULL);
+	if (ap == NULL || ap->ap_settings == NULL)
+		return -1;
+
+	settings = wps_er_ap_get_settings(er, ap->uuid);
+	if (!settings) {
+		settings = os_zalloc(sizeof(*settings));
+		if (settings == NULL)
+			return -1;
+		os_memcpy(settings->uuid, ap->uuid, WPS_UUID_LEN);
+		dl_list_add(&er->ap_settings, &settings->list);
+	}
+	os_memcpy(&settings->ap_settings, ap->ap_settings,
+		  sizeof(struct wps_credential));
+
+	return 0;
+}
+
+
+static int wps_er_ap_use_cached_settings(struct wps_er *er,
+					 struct wps_er_ap *ap)
+{
+	struct wps_er_ap_settings *s;
+
+	if (ap->ap_settings)
+		return 0;
+
+	s = wps_er_ap_get_settings(ap->er, ap->uuid);
+	if (!s)
+		return -1;
+
+	ap->ap_settings = os_malloc(sizeof(*ap->ap_settings));
+	if (ap->ap_settings == NULL)
+		return -1;
+
+	os_memcpy(ap->ap_settings, &s->ap_settings, sizeof(*ap->ap_settings));
+	wpa_printf(MSG_DEBUG, "WPS ER: Use cached AP settings");
+	return 0;
+}
+
+
+static void wps_er_ap_remove_entry(struct wps_er *er, struct wps_er_ap *ap)
+{
+	wpa_printf(MSG_DEBUG, "WPS ER: Removing AP entry for %s (%s)",
+		   inet_ntoa(ap->addr), ap->location);
+	eloop_cancel_timeout(wps_er_ap_timeout, er, ap);
+	wps_er_sta_remove_all(ap);
+	wps_er_ap_event(er->wps, ap, WPS_EV_ER_AP_REMOVE);
+	http_client_free(ap->http);
+	ap->http = NULL;
+	if (ap->wps) {
+		wps_deinit(ap->wps);
+		ap->wps = NULL;
+	}
+
+	dl_list_del(&ap->list);
+	if (ap->subscribed) {
+		dl_list_add(&er->ap_unsubscribing, &ap->list);
+		wps_er_ap_unsubscribe(er, ap);
+	} else
+		wps_er_ap_free(ap);
+}
+
+
+static void wps_er_ap_timeout(void *eloop_data, void *user_ctx)
+{
+	struct wps_er *er = eloop_data;
+	struct wps_er_ap *ap = user_ctx;
+	wpa_printf(MSG_DEBUG, "WPS ER: AP advertisement timed out");
+	wps_er_ap_remove_entry(er, ap);
+}
+
+
+static int wps_er_get_sid(struct wps_er_ap *ap, char *sid)
+{
+	char *pos;
+	char txt[100];
+
+	if (!sid) {
+		wpa_printf(MSG_DEBUG, "WPS ER: No SID received from %s (%s)",
+			   inet_ntoa(ap->addr), ap->location);
+		return -1;
+	}
+
+	pos = os_strstr(sid, "uuid:");
+	if (!pos) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Invalid SID received from "
+			   "%s (%s): '%s'", inet_ntoa(ap->addr), ap->location,
+			   sid);
+		return -1;
+	}
+
+	pos += 5;
+	if (uuid_str2bin(pos, ap->sid) < 0) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Invalid SID received from "
+			   "%s (%s): '%s'", inet_ntoa(ap->addr), ap->location,
+			   sid);
+		return -1;
+	}
+
+	uuid_bin2str(ap->sid, txt, sizeof(txt));
+	wpa_printf(MSG_DEBUG, "WPS ER: SID for subscription with %s (%s): %s",
+		   inet_ntoa(ap->addr), ap->location, txt);
+
+	return 0;
+}
+
+
+static void wps_er_http_subscribe_cb(void *ctx, struct http_client *c,
+				     enum http_client_event event)
+{
+	struct wps_er_ap *ap = ctx;
+
+	switch (event) {
+	case HTTP_CLIENT_OK:
+		wpa_printf(MSG_DEBUG, "WPS ER: Subscribed to events");
+		ap->subscribed = 1;
+		wps_er_get_sid(ap, http_client_get_hdr_line(c, "SID"));
+		wps_er_ap_use_cached_settings(ap->er, ap);
+		wps_er_ap_event(ap->er->wps, ap, WPS_EV_ER_AP_ADD);
+		break;
+	case HTTP_CLIENT_FAILED:
+	case HTTP_CLIENT_INVALID_REPLY:
+	case HTTP_CLIENT_TIMEOUT:
+		wpa_printf(MSG_DEBUG, "WPS ER: Failed to subscribe to events");
+		break;
+	}
+	http_client_free(ap->http);
+	ap->http = NULL;
+}
+
+
+static void wps_er_subscribe(struct wps_er_ap *ap)
+{
+	struct wpabuf *req;
+	struct sockaddr_in dst;
+	char *url, *path;
+
+	if (ap->event_sub_url == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS ER: No eventSubURL - cannot "
+			   "subscribe");
+		return;
+	}
+	if (ap->http) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Pending HTTP request - cannot "
+			   "send subscribe request");
+		return;
+	}
+
+	url = http_client_url_parse(ap->event_sub_url, &dst, &path);
+	if (url == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Failed to parse eventSubURL");
+		return;
+	}
+
+	req = wpabuf_alloc(os_strlen(ap->event_sub_url) + 1000);
+	if (req == NULL) {
+		os_free(url);
+		return;
+	}
+	wpabuf_printf(req,
+		      "SUBSCRIBE %s HTTP/1.1\r\n"
+		      "HOST: %s:%d\r\n"
+		      "CALLBACK: <http://%s:%d/event/%u/%u>\r\n"
+		      "NT: upnp:event\r\n"
+		      "TIMEOUT: Second-%d\r\n"
+		      "\r\n",
+		      path, inet_ntoa(dst.sin_addr), ntohs(dst.sin_port),
+		      ap->er->ip_addr_text, ap->er->http_port,
+		      ap->er->event_id, ap->id, 1800);
+	os_free(url);
+	wpa_hexdump_ascii(MSG_MSGDUMP, "WPS ER: Subscription request",
+			  wpabuf_head(req), wpabuf_len(req));
+
+	ap->http = http_client_addr(&dst, req, 1000, wps_er_http_subscribe_cb,
+				    ap);
+	if (ap->http == NULL)
+		wpabuf_free(req);
+}
+
+
+static void wps_er_ap_get_m1(struct wps_er_ap *ap, struct wpabuf *m1)
+{
+	struct wps_parse_attr attr;
+
+	if (wps_parse_msg(m1, &attr) < 0) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Failed to parse M1");
+		return;
+	}
+	if (attr.primary_dev_type)
+		os_memcpy(ap->pri_dev_type, attr.primary_dev_type, 8);
+	if (attr.wps_state)
+		ap->wps_state = *attr.wps_state;
+	if (attr.mac_addr)
+		os_memcpy(ap->mac_addr, attr.mac_addr, ETH_ALEN);
+
+	wps_er_subscribe(ap);
+}
+
+
+static void wps_er_get_device_info(struct wps_er_ap *ap)
+{
+	wps_er_send_get_device_info(ap, wps_er_ap_get_m1);
+}
+
+
+static void wps_er_parse_device_description(struct wps_er_ap *ap,
+					    struct wpabuf *reply)
+{
+	/* Note: reply includes null termination after the buffer data */
+	const char *data = wpabuf_head(reply);
+	char *pos;
+
+	wpa_hexdump_ascii(MSG_MSGDUMP, "WPS ER: Device info",
+			  wpabuf_head(reply), wpabuf_len(reply));
+
+	ap->friendly_name = xml_get_first_item(data, "friendlyName");
+	wpa_printf(MSG_DEBUG, "WPS ER: friendlyName='%s'", ap->friendly_name);
+
+	ap->manufacturer = xml_get_first_item(data, "manufacturer");
+	wpa_printf(MSG_DEBUG, "WPS ER: manufacturer='%s'", ap->manufacturer);
+
+	ap->manufacturer_url = xml_get_first_item(data, "manufacturerURL");
+	wpa_printf(MSG_DEBUG, "WPS ER: manufacturerURL='%s'",
+		   ap->manufacturer_url);
+
+	ap->model_description = xml_get_first_item(data, "modelDescription");
+	wpa_printf(MSG_DEBUG, "WPS ER: modelDescription='%s'",
+		   ap->model_description);
+
+	ap->model_name = xml_get_first_item(data, "modelName");
+	wpa_printf(MSG_DEBUG, "WPS ER: modelName='%s'", ap->model_name);
+
+	ap->model_number = xml_get_first_item(data, "modelNumber");
+	wpa_printf(MSG_DEBUG, "WPS ER: modelNumber='%s'", ap->model_number);
+
+	ap->model_url = xml_get_first_item(data, "modelURL");
+	wpa_printf(MSG_DEBUG, "WPS ER: modelURL='%s'", ap->model_url);
+
+	ap->serial_number = xml_get_first_item(data, "serialNumber");
+	wpa_printf(MSG_DEBUG, "WPS ER: serialNumber='%s'", ap->serial_number);
+
+	ap->udn = xml_get_first_item(data, "UDN");
+	wpa_printf(MSG_DEBUG, "WPS ER: UDN='%s'", ap->udn);
+	pos = os_strstr(ap->udn, "uuid:");
+	if (pos) {
+		pos += 5;
+		if (uuid_str2bin(pos, ap->uuid) < 0)
+			wpa_printf(MSG_DEBUG, "WPS ER: Invalid UUID in UDN");
+	}
+
+	ap->upc = xml_get_first_item(data, "UPC");
+	wpa_printf(MSG_DEBUG, "WPS ER: UPC='%s'", ap->upc);
+
+	ap->scpd_url = http_link_update(
+		xml_get_first_item(data, "SCPDURL"), ap->location);
+	wpa_printf(MSG_DEBUG, "WPS ER: SCPDURL='%s'", ap->scpd_url);
+
+	ap->control_url = http_link_update(
+		xml_get_first_item(data, "controlURL"), ap->location);
+	wpa_printf(MSG_DEBUG, "WPS ER: controlURL='%s'", ap->control_url);
+
+	ap->event_sub_url = http_link_update(
+		xml_get_first_item(data, "eventSubURL"), ap->location);
+	wpa_printf(MSG_DEBUG, "WPS ER: eventSubURL='%s'", ap->event_sub_url);
+}
+
+
+static void wps_er_http_dev_desc_cb(void *ctx, struct http_client *c,
+				    enum http_client_event event)
+{
+	struct wps_er_ap *ap = ctx;
+	struct wpabuf *reply;
+	int ok = 0;
+
+	switch (event) {
+	case HTTP_CLIENT_OK:
+		reply = http_client_get_body(c);
+		if (reply == NULL)
+			break;
+		wps_er_parse_device_description(ap, reply);
+		ok = 1;
+		break;
+	case HTTP_CLIENT_FAILED:
+	case HTTP_CLIENT_INVALID_REPLY:
+	case HTTP_CLIENT_TIMEOUT:
+		wpa_printf(MSG_DEBUG, "WPS ER: Failed to fetch device info");
+		break;
+	}
+	http_client_free(ap->http);
+	ap->http = NULL;
+	if (ok)
+		wps_er_get_device_info(ap);
+}
+
+
+void wps_er_ap_add(struct wps_er *er, const u8 *uuid, struct in_addr *addr,
+		   const char *location, int max_age)
+{
+	struct wps_er_ap *ap;
+
+	ap = wps_er_ap_get(er, addr, uuid);
+	if (ap) {
+		/* Update advertisement timeout */
+		eloop_cancel_timeout(wps_er_ap_timeout, er, ap);
+		eloop_register_timeout(max_age, 0, wps_er_ap_timeout, er, ap);
+		return;
+	}
+
+	ap = os_zalloc(sizeof(*ap));
+	if (ap == NULL)
+		return;
+	dl_list_init(&ap->sta);
+	ap->er = er;
+	ap->id = ++er->next_ap_id;
+	ap->location = os_strdup(location);
+	if (ap->location == NULL) {
+		os_free(ap);
+		return;
+	}
+	dl_list_add(&er->ap, &ap->list);
+
+	ap->addr.s_addr = addr->s_addr;
+	os_memcpy(ap->uuid, uuid, WPS_UUID_LEN);
+	eloop_register_timeout(max_age, 0, wps_er_ap_timeout, er, ap);
+
+	wpa_printf(MSG_DEBUG, "WPS ER: Added AP entry for %s (%s)",
+		   inet_ntoa(ap->addr), ap->location);
+
+	/* Fetch device description */
+	ap->http = http_client_url(ap->location, NULL, 10000,
+				   wps_er_http_dev_desc_cb, ap);
+}
+
+
+void wps_er_ap_remove(struct wps_er *er, struct in_addr *addr)
+{
+	struct wps_er_ap *ap;
+	dl_list_for_each(ap, &er->ap, struct wps_er_ap, list) {
+		if (ap->addr.s_addr == addr->s_addr) {
+			wps_er_ap_remove_entry(er, ap);
+			return;
+		}
+	}
+}
+
+
+static void wps_er_ap_remove_all(struct wps_er *er)
+{
+	struct wps_er_ap *prev, *ap;
+	struct wps_er_ap_settings *prev_s, *s;
+	dl_list_for_each_safe(ap, prev, &er->ap, struct wps_er_ap, list)
+		wps_er_ap_remove_entry(er, ap);
+	dl_list_for_each_safe(s, prev_s, &er->ap_settings,
+			      struct wps_er_ap_settings, list)
+		os_free(s);
+}
+
+
+static void http_put_date(struct wpabuf *buf)
+{
+	wpabuf_put_str(buf, "Date: ");
+	format_date(buf);
+	wpabuf_put_str(buf, "\r\n");
+}
+
+
+static void wps_er_http_resp_not_found(struct http_request *req)
+{
+	struct wpabuf *buf;
+	buf = wpabuf_alloc(200);
+	if (buf == NULL) {
+		http_request_deinit(req);
+		return;
+	}
+
+	wpabuf_put_str(buf,
+		       "HTTP/1.1 404 Not Found\r\n"
+		       "Server: unspecified, UPnP/1.0, unspecified\r\n"
+		       "Connection: close\r\n");
+	http_put_date(buf);
+	wpabuf_put_str(buf, "\r\n");
+	http_request_send_and_deinit(req, buf);
+}
+
+
+static void wps_er_http_resp_ok(struct http_request *req)
+{
+	struct wpabuf *buf;
+	buf = wpabuf_alloc(200);
+	if (buf == NULL) {
+		http_request_deinit(req);
+		return;
+	}
+
+	wpabuf_put_str(buf,
+		       "HTTP/1.1 200 OK\r\n"
+		       "Server: unspecified, UPnP/1.0, unspecified\r\n"
+		       "Connection: close\r\n"
+		       "Content-Length: 0\r\n");
+	http_put_date(buf);
+	wpabuf_put_str(buf, "\r\n");
+	http_request_send_and_deinit(req, buf);
+}
+
+
+static void wps_er_sta_timeout(void *eloop_data, void *user_ctx)
+{
+	struct wps_er_sta *sta = eloop_data;
+	wpa_printf(MSG_DEBUG, "WPS ER: STA entry timed out");
+	dl_list_del(&sta->list);
+	wps_er_sta_free(sta);
+}
+
+
+static struct wps_er_sta * wps_er_add_sta_data(struct wps_er_ap *ap,
+					       const u8 *addr,
+					       struct wps_parse_attr *attr,
+					       int probe_req)
+{
+	struct wps_er_sta *sta = wps_er_sta_get(ap, addr, NULL);
+	int new_sta = 0;
+	int m1;
+
+	m1 = !probe_req && attr->msg_type && *attr->msg_type == WPS_M1;
+
+	if (sta == NULL) {
+		/*
+		 * Only allow new STA entry to be added based on Probe Request
+		 * or M1. This will filter out bogus events and anything that
+		 * may have been ongoing at the time ER subscribed for events.
+		 */
+		if (!probe_req && !m1)
+			return NULL;
+
+		sta = os_zalloc(sizeof(*sta));
+		if (sta == NULL)
+			return NULL;
+		os_memcpy(sta->addr, addr, ETH_ALEN);
+		sta->ap = ap;
+		dl_list_add(&ap->sta, &sta->list);
+		new_sta = 1;
+	}
+
+	if (m1)
+		sta->m1_received = 1;
+
+	if (attr->config_methods && (!probe_req || !sta->m1_received))
+		sta->config_methods = WPA_GET_BE16(attr->config_methods);
+	if (attr->uuid_e && (!probe_req || !sta->m1_received))
+		os_memcpy(sta->uuid, attr->uuid_e, WPS_UUID_LEN);
+	if (attr->primary_dev_type && (!probe_req || !sta->m1_received))
+		os_memcpy(sta->pri_dev_type, attr->primary_dev_type, 8);
+	if (attr->dev_password_id && (!probe_req || !sta->m1_received))
+		sta->dev_passwd_id = WPA_GET_BE16(attr->dev_password_id);
+
+	if (attr->manufacturer) {
+		os_free(sta->manufacturer);
+		sta->manufacturer = os_malloc(attr->manufacturer_len + 1);
+		if (sta->manufacturer) {
+			os_memcpy(sta->manufacturer, attr->manufacturer,
+				  attr->manufacturer_len);
+			sta->manufacturer[attr->manufacturer_len] = '\0';
+		}
+	}
+
+	if (attr->model_name) {
+		os_free(sta->model_name);
+		sta->model_name = os_malloc(attr->model_name_len + 1);
+		if (sta->model_name) {
+			os_memcpy(sta->model_name, attr->model_name,
+				  attr->model_name_len);
+			sta->model_name[attr->model_name_len] = '\0';
+		}
+	}
+
+	if (attr->model_number) {
+		os_free(sta->model_number);
+		sta->model_number = os_malloc(attr->model_number_len + 1);
+		if (sta->model_number) {
+			os_memcpy(sta->model_number, attr->model_number,
+				  attr->model_number_len);
+			sta->model_number[attr->model_number_len] = '\0';
+		}
+	}
+
+	if (attr->serial_number) {
+		os_free(sta->serial_number);
+		sta->serial_number = os_malloc(attr->serial_number_len + 1);
+		if (sta->serial_number) {
+			os_memcpy(sta->serial_number, attr->serial_number,
+				  attr->serial_number_len);
+			sta->serial_number[attr->serial_number_len] = '\0';
+		}
+	}
+
+	if (attr->dev_name) {
+		os_free(sta->dev_name);
+		sta->dev_name = os_malloc(attr->dev_name_len + 1);
+		if (sta->dev_name) {
+			os_memcpy(sta->dev_name, attr->dev_name,
+				  attr->dev_name_len);
+			sta->dev_name[attr->dev_name_len] = '\0';
+		}
+	}
+
+	eloop_cancel_timeout(wps_er_sta_timeout, sta, NULL);
+	eloop_register_timeout(300, 0, wps_er_sta_timeout, sta, NULL);
+
+	if (m1 || new_sta)
+		wps_er_sta_event(ap->er->wps, sta, WPS_EV_ER_ENROLLEE_ADD);
+
+	return sta;
+}
+
+
+static void wps_er_process_wlanevent_probe_req(struct wps_er_ap *ap,
+					       const u8 *addr,
+					       struct wpabuf *msg)
+{
+	struct wps_parse_attr attr;
+
+	wpa_printf(MSG_DEBUG, "WPS ER: WLANEvent - Probe Request - from "
+		   MACSTR, MAC2STR(addr));
+	wpa_hexdump_buf(MSG_MSGDUMP, "WPS ER: WLANEvent - Enrollee's message "
+			"(TLVs from Probe Request)", msg);
+
+	if (wps_validate_probe_req(msg, addr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: ER: Ignore invalid proxied "
+			   "Probe Request frame from " MACSTR, MAC2STR(addr));
+		return;
+	}
+
+	if (wps_parse_msg(msg, &attr) < 0) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Failed to parse TLVs in "
+			   "WLANEvent message");
+		return;
+	}
+
+	wps_er_add_sta_data(ap, addr, &attr, 1);
+	wps_registrar_probe_req_rx(ap->er->wps->registrar, addr, msg, 0);
+}
+
+
+static void wps_er_http_put_wlan_response_cb(void *ctx, struct http_client *c,
+					     enum http_client_event event)
+{
+	struct wps_er_sta *sta = ctx;
+
+	switch (event) {
+	case HTTP_CLIENT_OK:
+		wpa_printf(MSG_DEBUG, "WPS ER: PutWLANResponse OK");
+		break;
+	case HTTP_CLIENT_FAILED:
+	case HTTP_CLIENT_INVALID_REPLY:
+	case HTTP_CLIENT_TIMEOUT:
+		wpa_printf(MSG_DEBUG, "WPS ER: PutWLANResponse failed");
+		break;
+	}
+	http_client_free(sta->http);
+	sta->http = NULL;
+}
+
+
+static const char *soap_prefix =
+	"<?xml version=\"1.0\"?>\n"
+	"<s:Envelope xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\" "
+	"s:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">\n"
+	"<s:Body>\n";
+static const char *soap_postfix =
+	"</s:Body>\n</s:Envelope>\n";
+static const char *urn_wfawlanconfig =
+	"urn:schemas-wifialliance-org:service:WFAWLANConfig:1";
+
+static struct wpabuf * wps_er_soap_hdr(const struct wpabuf *msg,
+				       const char *name, const char *arg_name,
+				       const char *path,
+				       const struct sockaddr_in *dst,
+				       char **len_ptr, char **body_ptr)
+{
+	unsigned char *encoded;
+	size_t encoded_len;
+	struct wpabuf *buf;
+
+	if (msg) {
+		encoded = base64_encode(wpabuf_head(msg), wpabuf_len(msg),
+					&encoded_len);
+		if (encoded == NULL)
+			return NULL;
+	} else {
+		encoded = NULL;
+		encoded_len = 0;
+	}
+
+	buf = wpabuf_alloc(1000 + encoded_len);
+	if (buf == NULL) {
+		os_free(encoded);
+		return NULL;
+	}
+
+	wpabuf_printf(buf,
+		      "POST %s HTTP/1.1\r\n"
+		      "Host: %s:%d\r\n"
+		      "Content-Type: text/xml; charset=\"utf-8\"\r\n"
+		      "Content-Length: ",
+		      path, inet_ntoa(dst->sin_addr), ntohs(dst->sin_port));
+
+	*len_ptr = wpabuf_put(buf, 0);
+	wpabuf_printf(buf,
+		      "        \r\n"
+		      "SOAPACTION: \"%s#%s\"\r\n"
+		      "\r\n",
+		      urn_wfawlanconfig, name);
+
+	*body_ptr = wpabuf_put(buf, 0);
+
+	wpabuf_put_str(buf, soap_prefix);
+	wpabuf_printf(buf, "<u:%s xmlns:u=\"", name);
+	wpabuf_put_str(buf, urn_wfawlanconfig);
+	wpabuf_put_str(buf, "\">\n");
+	if (encoded) {
+		wpabuf_printf(buf, "<%s>%s</%s>\n",
+			      arg_name, (char *) encoded, arg_name);
+		os_free(encoded);
+	}
+
+	return buf;
+}
+
+
+static void wps_er_soap_end(struct wpabuf *buf, const char *name,
+			    char *len_ptr, char *body_ptr)
+{
+	char len_buf[10];
+	wpabuf_printf(buf, "</u:%s>\n", name);
+	wpabuf_put_str(buf, soap_postfix);
+	os_snprintf(len_buf, sizeof(len_buf), "%d",
+		    (int) ((char *) wpabuf_put(buf, 0) - body_ptr));
+	os_memcpy(len_ptr, len_buf, os_strlen(len_buf));
+}
+
+
+static void wps_er_sta_send_msg(struct wps_er_sta *sta, struct wpabuf *msg)
+{
+	struct wpabuf *buf;
+	char *len_ptr, *body_ptr;
+	struct sockaddr_in dst;
+	char *url, *path;
+
+	if (sta->http) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Pending HTTP request for STA - "
+			   "ignore new request");
+		wpabuf_free(msg);
+		return;
+	}
+
+	if (sta->ap->control_url == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS ER: No controlURL for AP");
+		wpabuf_free(msg);
+		return;
+	}
+
+	url = http_client_url_parse(sta->ap->control_url, &dst, &path);
+	if (url == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Failed to parse controlURL");
+		wpabuf_free(msg);
+		return;
+	}
+
+	buf = wps_er_soap_hdr(msg, "PutWLANResponse", "NewMessage", path, &dst,
+			      &len_ptr, &body_ptr);
+	wpabuf_free(msg);
+	os_free(url);
+	if (buf == NULL)
+		return;
+	wpabuf_printf(buf, "<NewWLANEventType>%d</NewWLANEventType>\n",
+		      UPNP_WPS_WLANEVENT_TYPE_EAP);
+	wpabuf_printf(buf, "<NewWLANEventMAC>" MACSTR "</NewWLANEventMAC>\n",
+		      MAC2STR(sta->addr));
+
+	wps_er_soap_end(buf, "PutWLANResponse", len_ptr, body_ptr);
+
+	sta->http = http_client_addr(&dst, buf, 1000,
+				     wps_er_http_put_wlan_response_cb, sta);
+	if (sta->http == NULL)
+		wpabuf_free(buf);
+}
+
+
+static void wps_er_sta_process(struct wps_er_sta *sta, struct wpabuf *msg,
+			       enum wsc_op_code op_code)
+{
+	enum wps_process_res res;
+
+	res = wps_process_msg(sta->wps, op_code, msg);
+	if (res == WPS_CONTINUE) {
+		struct wpabuf *next = wps_get_msg(sta->wps, &op_code);
+		if (next)
+			wps_er_sta_send_msg(sta, next);
+	} else {
+		wpa_printf(MSG_DEBUG, "WPS ER: Protocol run %s with the "
+			   "enrollee (res=%d)",
+			   res == WPS_DONE ? "succeeded" : "failed", res);
+		wps_deinit(sta->wps);
+		sta->wps = NULL;
+		if (res == WPS_DONE) {
+			/* Remove the STA entry after short timeout */
+			eloop_cancel_timeout(wps_er_sta_timeout, sta, NULL);
+			eloop_register_timeout(10, 0, wps_er_sta_timeout, sta,
+					       NULL);
+		}
+	}
+}
+
+
+static void wps_er_sta_start(struct wps_er_sta *sta, struct wpabuf *msg)
+{
+	struct wps_config cfg;
+
+	if (sta->wps)
+		wps_deinit(sta->wps);
+
+	os_memset(&cfg, 0, sizeof(cfg));
+	cfg.wps = sta->ap->er->wps;
+	cfg.registrar = 1;
+	cfg.peer_addr = sta->addr;
+
+	sta->wps = wps_init(&cfg);
+	if (sta->wps == NULL)
+		return;
+	sta->wps->er = 1;
+	sta->wps->use_cred = sta->ap->ap_settings;
+	if (sta->ap->ap_settings) {
+		os_free(sta->cred);
+		sta->cred = os_malloc(sizeof(*sta->cred));
+		if (sta->cred) {
+			os_memcpy(sta->cred, sta->ap->ap_settings,
+				  sizeof(*sta->cred));
+			sta->cred->cred_attr = NULL;
+			os_memcpy(sta->cred->mac_addr, sta->addr, ETH_ALEN);
+			sta->wps->use_cred = sta->cred;
+		}
+	}
+
+	wps_er_sta_process(sta, msg, WSC_MSG);
+}
+
+
+static void wps_er_process_wlanevent_eap(struct wps_er_ap *ap, const u8 *addr,
+					 struct wpabuf *msg)
+{
+	struct wps_parse_attr attr;
+	struct wps_er_sta *sta;
+
+	wpa_printf(MSG_DEBUG, "WPS ER: WLANEvent - EAP - from " MACSTR,
+		   MAC2STR(addr));
+	wpa_hexdump_buf(MSG_MSGDUMP, "WPS ER: WLANEvent - Enrollee's message "
+			"(TLVs from EAP-WSC)", msg);
+
+	if (wps_parse_msg(msg, &attr) < 0) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Failed to parse TLVs in "
+			   "WLANEvent message");
+		return;
+	}
+
+	sta = wps_er_add_sta_data(ap, addr, &attr, 0);
+	if (sta == NULL)
+		return;
+
+	if (attr.msg_type && *attr.msg_type == WPS_M1)
+		wps_er_sta_start(sta, msg);
+	else if (sta->wps) {
+		enum wsc_op_code op_code = WSC_MSG;
+		if (attr.msg_type) {
+			switch (*attr.msg_type) {
+			case WPS_WSC_ACK:
+				op_code = WSC_ACK;
+				break;
+			case WPS_WSC_NACK:
+				op_code = WSC_NACK;
+				break;
+			case WPS_WSC_DONE:
+				op_code = WSC_Done;
+				break;
+			}
+		}
+		wps_er_sta_process(sta, msg, op_code);
+	}
+}
+
+
+static void wps_er_process_wlanevent(struct wps_er_ap *ap,
+				     struct wpabuf *event)
+{
+	u8 *data;
+	u8 wlan_event_type;
+	u8 wlan_event_mac[ETH_ALEN];
+	struct wpabuf msg;
+
+	wpa_hexdump(MSG_MSGDUMP, "WPS ER: Received WLANEvent",
+		    wpabuf_head(event), wpabuf_len(event));
+	if (wpabuf_len(event) < 1 + 17) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Too short WLANEvent");
+		return;
+	}
+
+	data = wpabuf_mhead(event);
+	wlan_event_type = data[0];
+	if (hwaddr_aton((char *) data + 1, wlan_event_mac) < 0) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Invalid WLANEventMAC in "
+			   "WLANEvent");
+		return;
+	}
+
+	wpabuf_set(&msg, data + 1 + 17, wpabuf_len(event) - (1 + 17));
+
+	switch (wlan_event_type) {
+	case 1:
+		wps_er_process_wlanevent_probe_req(ap, wlan_event_mac, &msg);
+		break;
+	case 2:
+		wps_er_process_wlanevent_eap(ap, wlan_event_mac, &msg);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "WPS ER: Unknown WLANEventType %d",
+			   wlan_event_type);
+		break;
+	}
+}
+
+
+static void wps_er_http_event(struct wps_er *er, struct http_request *req,
+			      unsigned int ap_id)
+{
+	struct wps_er_ap *ap = wps_er_ap_get_id(er, ap_id);
+	struct wpabuf *event;
+	enum http_reply_code ret;
+
+	if (ap == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS ER: HTTP event from unknown AP id "
+			   "%u", ap_id);
+		wps_er_http_resp_not_found(req);
+		return;
+	}
+	wpa_printf(MSG_MSGDUMP, "WPS ER: HTTP event from AP id %u: %s",
+		   ap_id, http_request_get_data(req));
+
+	event = xml_get_base64_item(http_request_get_data(req), "WLANEvent",
+				    &ret);
+	if (event == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Could not extract WLANEvent "
+			   "from the event notification");
+		/*
+		 * Reply with OK anyway to avoid getting unregistered from
+		 * events.
+		 */
+		wps_er_http_resp_ok(req);
+		return;
+	}
+
+	wps_er_process_wlanevent(ap, event);
+
+	wpabuf_free(event);
+	wps_er_http_resp_ok(req);
+}
+
+
+static void wps_er_http_notify(struct wps_er *er, struct http_request *req)
+{
+	char *uri = http_request_get_uri(req);
+
+	if (os_strncmp(uri, "/event/", 7) == 0) {
+		unsigned int event_id;
+		char *pos;
+		event_id = atoi(uri + 7);
+		if (event_id != er->event_id) {
+			wpa_printf(MSG_DEBUG, "WPS ER: HTTP event for an "
+				   "unknown event id %u", event_id);
+			return;
+		}
+		pos = os_strchr(uri + 7, '/');
+		if (pos == NULL)
+			return;
+		pos++;
+		wps_er_http_event(er, req, atoi(pos));
+	} else {
+		wpa_printf(MSG_DEBUG, "WPS ER: Unknown HTTP NOTIFY for '%s'",
+			   uri);
+		wps_er_http_resp_not_found(req);
+	}
+}
+
+
+static void wps_er_http_req(void *ctx, struct http_request *req)
+{
+	struct wps_er *er = ctx;
+	struct sockaddr_in *cli = http_request_get_cli_addr(req);
+	enum httpread_hdr_type type = http_request_get_type(req);
+	struct wpabuf *buf;
+
+	wpa_printf(MSG_DEBUG, "WPS ER: HTTP request: '%s' (type %d) from "
+		   "%s:%d",
+		   http_request_get_uri(req), type,
+		   inet_ntoa(cli->sin_addr), ntohs(cli->sin_port));
+
+	switch (type) {
+	case HTTPREAD_HDR_TYPE_NOTIFY:
+		wps_er_http_notify(er, req);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "WPS ER: Unsupported HTTP request type "
+			   "%d", type);
+		buf = wpabuf_alloc(200);
+		if (buf == NULL) {
+			http_request_deinit(req);
+			return;
+		}
+		wpabuf_put_str(buf,
+			       "HTTP/1.1 501 Unimplemented\r\n"
+			       "Connection: close\r\n");
+		http_put_date(buf);
+		wpabuf_put_str(buf, "\r\n");
+		http_request_send_and_deinit(req, buf);
+		break;
+	}
+}
+
+
+struct wps_er *
+wps_er_init(struct wps_context *wps, const char *ifname, const char *filter)
+{
+	struct wps_er *er;
+	struct in_addr addr;
+
+	er = os_zalloc(sizeof(*er));
+	if (er == NULL)
+		return NULL;
+	dl_list_init(&er->ap);
+	dl_list_init(&er->ap_unsubscribing);
+	dl_list_init(&er->ap_settings);
+
+	er->multicast_sd = -1;
+	er->ssdp_sd = -1;
+
+	os_strlcpy(er->ifname, ifname, sizeof(er->ifname));
+	er->wps = wps;
+	if (os_get_random((unsigned char *) &er->event_id,
+			  sizeof(er->event_id)) < 0) {
+		wps_er_deinit(er, NULL, NULL);
+		return NULL;
+	}
+	/* Limit event_id to < 32 bits to avoid issues with atoi() */
+	er->event_id &= 0x0fffffff;
+
+	if (filter) {
+		if (inet_aton(filter, &er->filter_addr) == 0) {
+			wpa_printf(MSG_INFO, "WPS UPnP: Invalid filter "
+				   "address %s", filter);
+			wps_er_deinit(er, NULL, NULL);
+			return NULL;
+		}
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Only accepting connections "
+			   "with %s", filter);
+	}
+	if (get_netif_info(ifname, &er->ip_addr, &er->ip_addr_text,
+			   er->mac_addr)) {
+		wpa_printf(MSG_INFO, "WPS UPnP: Could not get IP/MAC address "
+			   "for %s. Does it have IP address?", ifname);
+		wps_er_deinit(er, NULL, NULL);
+		return NULL;
+	}
+
+	if (wps_er_ssdp_init(er) < 0) {
+		wpa_printf(MSG_INFO, "WPS UPnP: SSDP initialization failed");
+		wps_er_deinit(er, NULL, NULL);
+		return NULL;
+	}
+
+	addr.s_addr = er->ip_addr;
+	er->http_srv = http_server_init(&addr, -1, wps_er_http_req, er);
+	if (er->http_srv == NULL) {
+		wpa_printf(MSG_INFO, "WPS UPnP: HTTP initialization failed");
+		wps_er_deinit(er, NULL, NULL);
+		return NULL;
+	}
+	er->http_port = http_server_get_port(er->http_srv);
+
+	wpa_printf(MSG_DEBUG, "WPS ER: Start (ifname=%s ip_addr=%s)",
+		   er->ifname, er->ip_addr_text);
+
+	return er;
+}
+
+
+void wps_er_refresh(struct wps_er *er)
+{
+	struct wps_er_ap *ap;
+	struct wps_er_sta *sta;
+
+	dl_list_for_each(ap, &er->ap, struct wps_er_ap, list) {
+		wps_er_ap_event(er->wps, ap, WPS_EV_ER_AP_ADD);
+		dl_list_for_each(sta, &ap->sta, struct wps_er_sta, list)
+			wps_er_sta_event(er->wps, sta, WPS_EV_ER_ENROLLEE_ADD);
+	}
+
+	wps_er_send_ssdp_msearch(er);
+}
+
+
+static void wps_er_deinit_finish(void *eloop_data, void *user_ctx)
+{
+	struct wps_er *er = eloop_data;
+	void (*deinit_done_cb)(void *ctx);
+	void *deinit_done_ctx;
+
+	wpa_printf(MSG_DEBUG, "WPS ER: Finishing deinit");
+
+	deinit_done_cb = er->deinit_done_cb;
+	deinit_done_ctx = er->deinit_done_ctx;
+	os_free(er->ip_addr_text);
+	os_free(er);
+
+	if (deinit_done_cb)
+		deinit_done_cb(deinit_done_ctx);
+}
+
+
+void wps_er_deinit(struct wps_er *er, void (*cb)(void *ctx), void *ctx)
+{
+	if (er == NULL)
+		return;
+	http_server_deinit(er->http_srv);
+	wps_er_ap_remove_all(er);
+	wps_er_ssdp_deinit(er);
+	eloop_register_timeout(dl_list_empty(&er->ap_unsubscribing) ? 0 : 5, 0,
+			       wps_er_deinit_finish, er, NULL);
+	wpa_printf(MSG_DEBUG, "WPS ER: Finish deinit from timeout");
+	er->deinitializing = 1;
+	er->deinit_done_cb = cb;
+	er->deinit_done_ctx = ctx;
+}
+
+
+static void wps_er_http_set_sel_reg_cb(void *ctx, struct http_client *c,
+				       enum http_client_event event)
+{
+	struct wps_er_ap *ap = ctx;
+	union wps_event_data data;
+
+	os_memset(&data, 0, sizeof(data));
+
+	switch (event) {
+	case HTTP_CLIENT_OK:
+		wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar OK");
+		data.set_sel_reg.state = WPS_ER_SET_SEL_REG_DONE;
+		data.set_sel_reg.uuid = ap->uuid;
+		break;
+	case HTTP_CLIENT_FAILED:
+	case HTTP_CLIENT_INVALID_REPLY:
+	case HTTP_CLIENT_TIMEOUT:
+		wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar failed");
+		data.set_sel_reg.state = WPS_ER_SET_SEL_REG_FAILED;
+		data.set_sel_reg.uuid = ap->uuid;
+		break;
+	}
+	http_client_free(ap->http);
+	ap->http = NULL;
+
+	if (data.set_sel_reg.uuid)
+		ap->er->wps->event_cb(ap->er->wps->cb_ctx,
+				      WPS_EV_ER_SET_SELECTED_REGISTRAR, &data);
+}
+
+
+static void wps_er_send_set_sel_reg(struct wps_er_ap *ap, struct wpabuf *msg)
+{
+	struct wpabuf *buf;
+	char *len_ptr, *body_ptr;
+	struct sockaddr_in dst;
+	char *url, *path;
+
+	if (ap->control_url == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS ER: No controlURL for AP");
+		return;
+	}
+
+	if (ap->http) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Pending HTTP request for AP - "
+			   "ignore new request");
+		return;
+	}
+
+	if (ap->wps) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Pending WPS operation for AP - "
+			   "skip SetSelectedRegistrar");
+		return;
+	}
+
+	url = http_client_url_parse(ap->control_url, &dst, &path);
+	if (url == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Failed to parse controlURL");
+		return;
+	}
+
+	buf = wps_er_soap_hdr(msg, "SetSelectedRegistrar", "NewMessage", path,
+			      &dst, &len_ptr, &body_ptr);
+	os_free(url);
+	if (buf == NULL)
+		return;
+
+	wps_er_soap_end(buf, "SetSelectedRegistrar", len_ptr, body_ptr);
+
+	ap->http = http_client_addr(&dst, buf, 1000,
+				    wps_er_http_set_sel_reg_cb, ap);
+	if (ap->http == NULL)
+		wpabuf_free(buf);
+}
+
+
+static int wps_er_build_selected_registrar(struct wpabuf *msg, int sel_reg)
+{
+	wpabuf_put_be16(msg, ATTR_SELECTED_REGISTRAR);
+	wpabuf_put_be16(msg, 1);
+	wpabuf_put_u8(msg, !!sel_reg);
+	return 0;
+}
+
+
+static int wps_er_build_dev_password_id(struct wpabuf *msg, u16 dev_passwd_id)
+{
+	wpabuf_put_be16(msg, ATTR_DEV_PASSWORD_ID);
+	wpabuf_put_be16(msg, 2);
+	wpabuf_put_be16(msg, dev_passwd_id);
+	return 0;
+}
+
+
+static int wps_er_build_sel_reg_config_methods(struct wpabuf *msg,
+					       u16 sel_reg_config_methods)
+{
+	wpabuf_put_be16(msg, ATTR_SELECTED_REGISTRAR_CONFIG_METHODS);
+	wpabuf_put_be16(msg, 2);
+	wpabuf_put_be16(msg, sel_reg_config_methods);
+	return 0;
+}
+
+
+static int wps_er_build_uuid_r(struct wpabuf *msg, const u8 *uuid_r)
+{
+#ifdef CONFIG_WPS2
+	wpabuf_put_be16(msg, ATTR_UUID_R);
+	wpabuf_put_be16(msg, WPS_UUID_LEN);
+	wpabuf_put_data(msg, uuid_r, WPS_UUID_LEN);
+#endif /* CONFIG_WPS2 */
+	return 0;
+}
+
+
+void wps_er_set_sel_reg(struct wps_er *er, int sel_reg, u16 dev_passwd_id,
+			u16 sel_reg_config_methods)
+{
+	struct wpabuf *msg;
+	struct wps_er_ap *ap;
+	struct wps_registrar *reg = er->wps->registrar;
+	const u8 *auth_macs;
+#ifdef CONFIG_WPS2
+	u8 bcast[ETH_ALEN];
+#endif /* CONFIG_WPS2 */
+	size_t count;
+	union wps_event_data data;
+
+	if (er->skip_set_sel_reg) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Skip SetSelectedRegistrar");
+		return;
+	}
+
+	msg = wpabuf_alloc(500);
+	if (msg == NULL)
+		return;
+
+	auth_macs = wps_authorized_macs(reg, &count);
+#ifdef CONFIG_WPS2
+	if (count == 0) {
+		os_memset(bcast, 0xff, ETH_ALEN);
+		auth_macs = bcast;
+		count = 1;
+	}
+#endif /* CONFIG_WPS2 */
+
+	if (wps_build_version(msg) ||
+	    wps_er_build_selected_registrar(msg, sel_reg) ||
+	    wps_er_build_dev_password_id(msg, dev_passwd_id) ||
+	    wps_er_build_sel_reg_config_methods(msg, sel_reg_config_methods) ||
+	    wps_build_wfa_ext(msg, 0, auth_macs, count) ||
+	    wps_er_build_uuid_r(msg, er->wps->uuid)) {
+		wpabuf_free(msg);
+		return;
+	}
+
+	os_memset(&data, 0, sizeof(data));
+	data.set_sel_reg.sel_reg = sel_reg;
+	data.set_sel_reg.dev_passwd_id = dev_passwd_id;
+	data.set_sel_reg.sel_reg_config_methods = sel_reg_config_methods;
+	data.set_sel_reg.state = WPS_ER_SET_SEL_REG_START;
+
+	dl_list_for_each(ap, &er->ap, struct wps_er_ap, list) {
+		if (er->set_sel_reg_uuid_filter &&
+		    os_memcmp(ap->uuid, er->set_sel_reg_uuid_filter,
+			      WPS_UUID_LEN) != 0)
+			continue;
+		data.set_sel_reg.uuid = ap->uuid;
+		er->wps->event_cb(er->wps->cb_ctx,
+				  WPS_EV_ER_SET_SELECTED_REGISTRAR, &data);
+		wps_er_send_set_sel_reg(ap, msg);
+	}
+
+	wpabuf_free(msg);
+}
+
+
+int wps_er_pbc(struct wps_er *er, const u8 *uuid)
+{
+	int res;
+	struct wps_er_ap *ap;
+
+	if (er == NULL || er->wps == NULL)
+		return -1;
+
+	if (wps_registrar_pbc_overlap(er->wps->registrar, NULL, NULL)) {
+		wpa_printf(MSG_DEBUG, "WPS ER: PBC overlap - do not start PBC "
+			   "mode");
+		return -2;
+	}
+
+	ap = wps_er_ap_get(er, NULL, uuid);
+	if (ap == NULL) {
+		struct wps_er_sta *sta = NULL;
+		dl_list_for_each(ap, &er->ap, struct wps_er_ap, list) {
+			sta = wps_er_sta_get(ap, NULL, uuid);
+			if (sta) {
+				uuid = ap->uuid;
+				break;
+			}
+		}
+		if (sta == NULL)
+			return -3; /* Unknown UUID */
+	}
+
+	if (ap->ap_settings == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS ER: AP settings not known");
+		return -4;
+	}
+
+	er->set_sel_reg_uuid_filter = uuid;
+	res = wps_registrar_button_pushed(er->wps->registrar, NULL);
+	er->set_sel_reg_uuid_filter = NULL;
+	if (res)
+		return -1;
+
+	return 0;
+}
+
+
+static void wps_er_ap_settings_cb(void *ctx, const struct wps_credential *cred)
+{
+	struct wps_er_ap *ap = ctx;
+	union wps_event_data data;
+
+	wpa_printf(MSG_DEBUG, "WPS ER: AP Settings received");
+	os_free(ap->ap_settings);
+	ap->ap_settings = os_malloc(sizeof(*cred));
+	if (ap->ap_settings) {
+		os_memcpy(ap->ap_settings, cred, sizeof(*cred));
+		ap->ap_settings->cred_attr = NULL;
+	}
+
+	os_memset(&data, 0, sizeof(data));
+	data.ap_settings.uuid = ap->uuid;
+	data.ap_settings.cred = cred;
+	ap->er->wps->event_cb(ap->er->wps->cb_ctx, WPS_EV_ER_AP_SETTINGS,
+			      &data);
+}
+
+
+static void wps_er_http_put_message_cb(void *ctx, struct http_client *c,
+				       enum http_client_event event)
+{
+	struct wps_er_ap *ap = ctx;
+	struct wpabuf *reply;
+	char *msg = NULL;
+
+	switch (event) {
+	case HTTP_CLIENT_OK:
+		wpa_printf(MSG_DEBUG, "WPS ER: PutMessage OK");
+		reply = http_client_get_body(c);
+		if (reply == NULL)
+			break;
+		msg = os_zalloc(wpabuf_len(reply) + 1);
+		if (msg == NULL)
+			break;
+		os_memcpy(msg, wpabuf_head(reply), wpabuf_len(reply));
+		break;
+	case HTTP_CLIENT_FAILED:
+	case HTTP_CLIENT_INVALID_REPLY:
+	case HTTP_CLIENT_TIMEOUT:
+		wpa_printf(MSG_DEBUG, "WPS ER: PutMessage failed");
+		if (ap->wps) {
+			wps_deinit(ap->wps);
+			ap->wps = NULL;
+		}
+		break;
+	}
+	http_client_free(ap->http);
+	ap->http = NULL;
+
+	if (msg) {
+		struct wpabuf *buf;
+		enum http_reply_code ret;
+		buf = xml_get_base64_item(msg, "NewOutMessage", &ret);
+		os_free(msg);
+		if (buf == NULL) {
+			wpa_printf(MSG_DEBUG, "WPS ER: Could not extract "
+				   "NewOutMessage from PutMessage response");
+			wps_deinit(ap->wps);
+			ap->wps = NULL;
+			return;
+		}
+		wps_er_ap_process(ap, buf);
+		wpabuf_free(buf);
+	}
+}
+
+
+static void wps_er_ap_put_message(struct wps_er_ap *ap,
+				  const struct wpabuf *msg)
+{
+	struct wpabuf *buf;
+	char *len_ptr, *body_ptr;
+	struct sockaddr_in dst;
+	char *url, *path;
+
+	if (ap->http) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Pending HTTP operation ongoing "
+			   "with the AP - cannot continue learn");
+		return;
+	}
+
+	if (ap->control_url == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS ER: No controlURL for AP");
+		return;
+	}
+
+	url = http_client_url_parse(ap->control_url, &dst, &path);
+	if (url == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Failed to parse controlURL");
+		return;
+	}
+
+	buf = wps_er_soap_hdr(msg, "PutMessage", "NewInMessage", path, &dst,
+			      &len_ptr, &body_ptr);
+	os_free(url);
+	if (buf == NULL)
+		return;
+
+	wps_er_soap_end(buf, "PutMessage", len_ptr, body_ptr);
+
+	ap->http = http_client_addr(&dst, buf, 10000,
+				    wps_er_http_put_message_cb, ap);
+	if (ap->http == NULL)
+		wpabuf_free(buf);
+}
+
+
+static void wps_er_ap_process(struct wps_er_ap *ap, struct wpabuf *msg)
+{
+	enum wps_process_res res;
+	struct wps_parse_attr attr;
+	enum wsc_op_code op_code;
+
+	op_code = WSC_MSG;
+	if (wps_parse_msg(msg, &attr) == 0 && attr.msg_type) {
+		switch (*attr.msg_type) {
+		case WPS_WSC_ACK:
+			op_code = WSC_ACK;
+			break;
+		case WPS_WSC_NACK:
+			op_code = WSC_NACK;
+			break;
+		case WPS_WSC_DONE:
+			op_code = WSC_Done;
+			break;
+		}
+	}
+
+	res = wps_process_msg(ap->wps, op_code, msg);
+	if (res == WPS_CONTINUE) {
+		struct wpabuf *next = wps_get_msg(ap->wps, &op_code);
+		if (next) {
+			wps_er_ap_put_message(ap, next);
+			wpabuf_free(next);
+		} else {
+			wpa_printf(MSG_DEBUG, "WPS ER: Failed to build "
+				   "message");
+			wps_deinit(ap->wps);
+			ap->wps = NULL;
+		}
+	} else if (res == WPS_DONE) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Protocol run done");
+		wps_deinit(ap->wps);
+		ap->wps = NULL;
+	} else {
+		wpa_printf(MSG_DEBUG, "WPS ER: Failed to process message from "
+			   "AP (res=%d)", res);
+		wps_deinit(ap->wps);
+		ap->wps = NULL;
+	}
+}
+
+
+static void wps_er_ap_learn_m1(struct wps_er_ap *ap, struct wpabuf *m1)
+{
+	struct wps_config cfg;
+
+	if (ap->wps) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Protocol run already in "
+			   "progress with this AP");
+		return;
+	}
+
+	os_memset(&cfg, 0, sizeof(cfg));
+	cfg.wps = ap->er->wps;
+	cfg.registrar = 1;
+	ap->wps = wps_init(&cfg);
+	if (ap->wps == NULL)
+		return;
+	ap->wps->ap_settings_cb = wps_er_ap_settings_cb;
+	ap->wps->ap_settings_cb_ctx = ap;
+
+	wps_er_ap_process(ap, m1);
+}
+
+
+static void wps_er_ap_learn(struct wps_er_ap *ap, const char *dev_info)
+{
+	struct wpabuf *info;
+	enum http_reply_code ret;
+
+	wpa_printf(MSG_DEBUG, "WPS ER: Received GetDeviceInfo response (M1) "
+		   "from the AP");
+	info = xml_get_base64_item(dev_info, "NewDeviceInfo", &ret);
+	if (info == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Could not extract "
+			   "NewDeviceInfo from GetDeviceInfo response");
+		return;
+	}
+
+	ap->m1_handler(ap, info);
+	wpabuf_free(info);
+}
+
+
+static void wps_er_http_get_dev_info_cb(void *ctx, struct http_client *c,
+					enum http_client_event event)
+{
+	struct wps_er_ap *ap = ctx;
+	struct wpabuf *reply;
+	char *dev_info = NULL;
+
+	switch (event) {
+	case HTTP_CLIENT_OK:
+		wpa_printf(MSG_DEBUG, "WPS ER: GetDeviceInfo OK");
+		reply = http_client_get_body(c);
+		if (reply == NULL)
+			break;
+		dev_info = os_zalloc(wpabuf_len(reply) + 1);
+		if (dev_info == NULL)
+			break;
+		os_memcpy(dev_info, wpabuf_head(reply), wpabuf_len(reply));
+		break;
+	case HTTP_CLIENT_FAILED:
+	case HTTP_CLIENT_INVALID_REPLY:
+	case HTTP_CLIENT_TIMEOUT:
+		wpa_printf(MSG_DEBUG, "WPS ER: GetDeviceInfo failed");
+		break;
+	}
+	http_client_free(ap->http);
+	ap->http = NULL;
+
+	if (dev_info) {
+		wps_er_ap_learn(ap, dev_info);
+		os_free(dev_info);
+	}
+}
+
+
+static int wps_er_send_get_device_info(struct wps_er_ap *ap,
+				       void (*m1_handler)(struct wps_er_ap *ap,
+							  struct wpabuf *m1))
+{
+	struct wpabuf *buf;
+	char *len_ptr, *body_ptr;
+	struct sockaddr_in dst;
+	char *url, *path;
+
+	if (ap->http) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Pending HTTP operation ongoing "
+			   "with the AP - cannot get device info");
+		return -1;
+	}
+
+	if (ap->control_url == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS ER: No controlURL for AP");
+		return -1;
+	}
+
+	url = http_client_url_parse(ap->control_url, &dst, &path);
+	if (url == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Failed to parse controlURL");
+		return -1;
+	}
+
+	buf = wps_er_soap_hdr(NULL, "GetDeviceInfo", NULL, path, &dst,
+			      &len_ptr, &body_ptr);
+	os_free(url);
+	if (buf == NULL)
+		return -1;
+
+	wps_er_soap_end(buf, "GetDeviceInfo", len_ptr, body_ptr);
+
+	ap->http = http_client_addr(&dst, buf, 10000,
+				    wps_er_http_get_dev_info_cb, ap);
+	if (ap->http == NULL) {
+		wpabuf_free(buf);
+		return -1;
+	}
+
+	ap->m1_handler = m1_handler;
+
+	return 0;
+}
+
+
+int wps_er_learn(struct wps_er *er, const u8 *uuid, const u8 *pin,
+		 size_t pin_len)
+{
+	struct wps_er_ap *ap;
+
+	if (er == NULL)
+		return -1;
+
+	ap = wps_er_ap_get(er, NULL, uuid);
+	if (ap == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS ER: AP not found for learn "
+			   "request");
+		return -1;
+	}
+	if (ap->wps) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Pending operation ongoing "
+			   "with the AP - cannot start learn");
+		return -1;
+	}
+
+	if (wps_er_send_get_device_info(ap, wps_er_ap_learn_m1) < 0)
+		return -1;
+
+	er->skip_set_sel_reg = 1;
+	wps_registrar_add_pin(er->wps->registrar, NULL, uuid, pin, pin_len, 0);
+	er->skip_set_sel_reg = 0;
+
+	return 0;
+}
+
+
+int wps_er_set_config(struct wps_er *er, const u8 *uuid,
+		      const struct wps_credential *cred)
+{
+	struct wps_er_ap *ap;
+
+	if (er == NULL)
+		return -1;
+
+	ap = wps_er_ap_get(er, NULL, uuid);
+	if (ap == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS ER: AP not found for set config "
+			   "request");
+		return -1;
+	}
+
+	os_free(ap->ap_settings);
+	ap->ap_settings = os_malloc(sizeof(*cred));
+	if (ap->ap_settings == NULL)
+		return -1;
+	os_memcpy(ap->ap_settings, cred, sizeof(*cred));
+	ap->ap_settings->cred_attr = NULL;
+	wpa_printf(MSG_DEBUG, "WPS ER: Updated local AP settings based set "
+		   "config request");
+
+	return 0;
+}
+
+
+static void wps_er_ap_config_m1(struct wps_er_ap *ap, struct wpabuf *m1)
+{
+	struct wps_config cfg;
+
+	if (ap->wps) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Protocol run already in "
+			   "progress with this AP");
+		return;
+	}
+
+	os_memset(&cfg, 0, sizeof(cfg));
+	cfg.wps = ap->er->wps;
+	cfg.registrar = 1;
+	cfg.new_ap_settings = ap->ap_settings;
+	ap->wps = wps_init(&cfg);
+	if (ap->wps == NULL)
+		return;
+	ap->wps->ap_settings_cb = NULL;
+	ap->wps->ap_settings_cb_ctx = NULL;
+
+	wps_er_ap_process(ap, m1);
+}
+
+
+int wps_er_config(struct wps_er *er, const u8 *uuid, const u8 *pin,
+		  size_t pin_len, const struct wps_credential *cred)
+{
+	struct wps_er_ap *ap;
+
+	if (er == NULL)
+		return -1;
+
+	ap = wps_er_ap_get(er, NULL, uuid);
+	if (ap == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS ER: AP not found for config "
+			   "request");
+		return -1;
+	}
+	if (ap->wps) {
+		wpa_printf(MSG_DEBUG, "WPS ER: Pending operation ongoing "
+			   "with the AP - cannot start config");
+		return -1;
+	}
+
+	os_free(ap->ap_settings);
+	ap->ap_settings = os_malloc(sizeof(*cred));
+	if (ap->ap_settings == NULL)
+		return -1;
+	os_memcpy(ap->ap_settings, cred, sizeof(*cred));
+	ap->ap_settings->cred_attr = NULL;
+
+	if (wps_er_send_get_device_info(ap, wps_er_ap_config_m1) < 0)
+		return -1;
+
+	er->skip_set_sel_reg = 1;
+	wps_registrar_add_pin(er->wps->registrar, NULL, uuid, pin, pin_len, 0);
+	er->skip_set_sel_reg = 0;
+
+	return 0;
+}
diff --git a/src/wps/wps_er.h b/src/wps/wps_er.h
new file mode 100644
index 0000000..5388ed1
--- /dev/null
+++ b/src/wps/wps_er.h
@@ -0,0 +1,117 @@
+/*
+ * Wi-Fi Protected Setup - External Registrar
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef WPS_ER_H
+#define WPS_ER_H
+
+#include "utils/list.h"
+
+struct wps_er_sta {
+	struct dl_list list;
+	struct wps_er_ap *ap;
+	u8 addr[ETH_ALEN];
+	u16 config_methods;
+	u8 uuid[WPS_UUID_LEN];
+	u8 pri_dev_type[8];
+	u16 dev_passwd_id;
+	int m1_received;
+	char *manufacturer;
+	char *model_name;
+	char *model_number;
+	char *serial_number;
+	char *dev_name;
+	struct wps_data *wps;
+	struct http_client *http;
+	struct wps_credential *cred;
+};
+
+struct wps_er_ap {
+	struct dl_list list;
+	struct wps_er *er;
+	struct dl_list sta; /* list of STAs/Enrollees using this AP */
+	struct in_addr addr;
+	char *location;
+	struct http_client *http;
+	struct wps_data *wps;
+
+	u8 uuid[WPS_UUID_LEN];
+	u8 pri_dev_type[8];
+	u8 wps_state;
+	u8 mac_addr[ETH_ALEN];
+	char *friendly_name;
+	char *manufacturer;
+	char *manufacturer_url;
+	char *model_description;
+	char *model_name;
+	char *model_number;
+	char *model_url;
+	char *serial_number;
+	char *udn;
+	char *upc;
+
+	char *scpd_url;
+	char *control_url;
+	char *event_sub_url;
+
+	int subscribed;
+	u8 sid[WPS_UUID_LEN];
+	unsigned int id;
+
+	struct wps_credential *ap_settings;
+
+	void (*m1_handler)(struct wps_er_ap *ap, struct wpabuf *m1);
+};
+
+struct wps_er_ap_settings {
+	struct dl_list list;
+	u8 uuid[WPS_UUID_LEN];
+	struct wps_credential ap_settings;
+};
+
+struct wps_er {
+	struct wps_context *wps;
+	char ifname[17];
+	u8 mac_addr[ETH_ALEN]; /* mac addr of network i.f. we use */
+	char *ip_addr_text; /* IP address of network i.f. we use */
+	unsigned ip_addr; /* IP address of network i.f. we use (host order) */
+	int multicast_sd;
+	int ssdp_sd;
+	struct dl_list ap;
+	struct dl_list ap_unsubscribing;
+	struct dl_list ap_settings;
+	struct http_server *http_srv;
+	int http_port;
+	unsigned int next_ap_id;
+	unsigned int event_id;
+	int deinitializing;
+	void (*deinit_done_cb)(void *ctx);
+	void *deinit_done_ctx;
+	struct in_addr filter_addr;
+	int skip_set_sel_reg;
+	const u8 *set_sel_reg_uuid_filter;
+};
+
+
+/* wps_er.c */
+void wps_er_ap_add(struct wps_er *er, const u8 *uuid, struct in_addr *addr,
+		   const char *location, int max_age);
+void wps_er_ap_remove(struct wps_er *er, struct in_addr *addr);
+int wps_er_ap_cache_settings(struct wps_er *er, struct in_addr *addr);
+
+/* wps_er_ssdp.c */
+int wps_er_ssdp_init(struct wps_er *er);
+void wps_er_ssdp_deinit(struct wps_er *er);
+void wps_er_send_ssdp_msearch(struct wps_er *er);
+
+#endif /* WPS_ER_H */
diff --git a/src/wps/wps_er_ssdp.c b/src/wps/wps_er_ssdp.c
new file mode 100644
index 0000000..83de9ad
--- /dev/null
+++ b/src/wps/wps_er_ssdp.c
@@ -0,0 +1,211 @@
+/*
+ * Wi-Fi Protected Setup - External Registrar (SSDP)
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "uuid.h"
+#include "eloop.h"
+#include "wps_i.h"
+#include "wps_upnp.h"
+#include "wps_upnp_i.h"
+#include "wps_er.h"
+
+
+static void wps_er_ssdp_rx(int sd, void *eloop_ctx, void *sock_ctx)
+{
+	struct wps_er *er = eloop_ctx;
+	struct sockaddr_in addr; /* client address */
+	socklen_t addr_len;
+	int nread;
+	char buf[MULTICAST_MAX_READ], *pos, *pos2, *start;
+	int wfa = 0, byebye = 0;
+	int max_age = -1;
+	char *location = NULL;
+	u8 uuid[WPS_UUID_LEN];
+
+	addr_len = sizeof(addr);
+	nread = recvfrom(sd, buf, sizeof(buf) - 1, 0,
+			 (struct sockaddr *) &addr, &addr_len);
+	if (nread <= 0)
+		return;
+	buf[nread] = '\0';
+	if (er->filter_addr.s_addr &&
+	    er->filter_addr.s_addr != addr.sin_addr.s_addr)
+		return;
+
+	wpa_printf(MSG_DEBUG, "WPS ER: Received SSDP from %s",
+		   inet_ntoa(addr.sin_addr));
+	wpa_hexdump_ascii(MSG_MSGDUMP, "WPS ER: Received SSDP contents",
+			  (u8 *) buf, nread);
+
+	if (sd == er->multicast_sd) {
+		/* Reply to M-SEARCH */
+		if (os_strncmp(buf, "HTTP/1.1 200 OK", 15) != 0)
+			return; /* unexpected response header */
+	} else {
+		/* Unsolicited message (likely NOTIFY or M-SEARCH) */
+		if (os_strncmp(buf, "NOTIFY ", 7) != 0)
+			return; /* only process notifications */
+	}
+
+	os_memset(uuid, 0, sizeof(uuid));
+
+	for (start = buf; start && *start; start = pos) {
+		pos = os_strchr(start, '\n');
+		if (pos) {
+			if (pos[-1] == '\r')
+				pos[-1] = '\0';
+			*pos++ = '\0';
+		}
+		if (os_strstr(start, "schemas-wifialliance-org:device:"
+			      "WFADevice:1"))
+			wfa = 1;
+		if (os_strstr(start, "schemas-wifialliance-org:service:"
+			      "WFAWLANConfig:1"))
+			wfa = 1;
+		if (os_strncasecmp(start, "LOCATION:", 9) == 0) {
+			start += 9;
+			while (*start == ' ')
+				start++;
+			location = start;
+		} else if (os_strncasecmp(start, "NTS:", 4) == 0) {
+			if (os_strstr(start, "ssdp:byebye"))
+				byebye = 1;
+		} else if (os_strncasecmp(start, "CACHE-CONTROL:", 14) == 0) {
+			start += 9;
+			while (*start == ' ')
+				start++;
+			pos2 = os_strstr(start, "max-age=");
+			if (pos2 == NULL)
+				continue;
+			pos2 += 8;
+			max_age = atoi(pos2);
+		} else if (os_strncasecmp(start, "USN:", 4) == 0) {
+			start += 4;
+			pos2 = os_strstr(start, "uuid:");
+			if (pos2) {
+				pos2 += 5;
+				while (*pos2 == ' ')
+					pos2++;
+				if (uuid_str2bin(pos2, uuid) < 0) {
+					wpa_printf(MSG_DEBUG, "WPS ER: "
+						   "Invalid UUID in USN: %s",
+						   pos2);
+					return;
+				}
+			}
+		}
+	}
+
+	if (!wfa)
+		return; /* Not WPS advertisement/reply */
+
+	if (byebye) {
+		wps_er_ap_cache_settings(er, &addr.sin_addr);
+		wps_er_ap_remove(er, &addr.sin_addr);
+		return;
+	}
+
+	if (!location)
+		return; /* Unknown location */
+
+	if (max_age < 1)
+		return; /* No max-age reported */
+
+	wpa_printf(MSG_DEBUG, "WPS ER: AP discovered: %s "
+		   "(packet source: %s  max-age: %d)",
+		   location, inet_ntoa(addr.sin_addr), max_age);
+
+	wps_er_ap_add(er, uuid, &addr.sin_addr, location, max_age);
+}
+
+
+void wps_er_send_ssdp_msearch(struct wps_er *er)
+{
+	struct wpabuf *msg;
+	struct sockaddr_in dest;
+
+	msg = wpabuf_alloc(500);
+	if (msg == NULL)
+		return;
+
+	wpabuf_put_str(msg,
+		       "M-SEARCH * HTTP/1.1\r\n"
+		       "HOST: 239.255.255.250:1900\r\n"
+		       "MAN: \"ssdp:discover\"\r\n"
+		       "MX: 3\r\n"
+		       "ST: urn:schemas-wifialliance-org:device:WFADevice:1"
+		       "\r\n"
+		       "\r\n");
+
+	os_memset(&dest, 0, sizeof(dest));
+	dest.sin_family = AF_INET;
+	dest.sin_addr.s_addr = inet_addr(UPNP_MULTICAST_ADDRESS);
+	dest.sin_port = htons(UPNP_MULTICAST_PORT);
+
+	if (sendto(er->multicast_sd, wpabuf_head(msg), wpabuf_len(msg), 0,
+		   (struct sockaddr *) &dest, sizeof(dest)) < 0)
+		wpa_printf(MSG_DEBUG, "WPS ER: M-SEARCH sendto failed: "
+			   "%d (%s)", errno, strerror(errno));
+
+	wpabuf_free(msg);
+}
+
+
+int wps_er_ssdp_init(struct wps_er *er)
+{
+	if (add_ssdp_network(er->ifname)) {
+		wpa_printf(MSG_INFO, "WPS ER: Failed to add routing entry for "
+			   "SSDP");
+		return -1;
+	}
+
+	er->multicast_sd = ssdp_open_multicast_sock(er->ip_addr);
+	if (er->multicast_sd < 0) {
+		wpa_printf(MSG_INFO, "WPS ER: Failed to open multicast socket "
+			   "for SSDP");
+		return -1;
+	}
+
+	er->ssdp_sd = ssdp_listener_open();
+	if (er->ssdp_sd < 0) {
+		wpa_printf(MSG_INFO, "WPS ER: Failed to open SSDP listener "
+			   "socket");
+		return -1;
+	}
+
+	if (eloop_register_sock(er->multicast_sd, EVENT_TYPE_READ,
+				wps_er_ssdp_rx, er, NULL) ||
+	    eloop_register_sock(er->ssdp_sd, EVENT_TYPE_READ,
+				wps_er_ssdp_rx, er, NULL))
+		return -1;
+
+	wps_er_send_ssdp_msearch(er);
+
+	return 0;
+}
+
+
+void wps_er_ssdp_deinit(struct wps_er *er)
+{
+	if (er->multicast_sd >= 0) {
+		eloop_unregister_sock(er->multicast_sd, EVENT_TYPE_READ);
+		close(er->multicast_sd);
+	}
+	if (er->ssdp_sd >= 0) {
+		eloop_unregister_sock(er->ssdp_sd, EVENT_TYPE_READ);
+		close(er->ssdp_sd);
+	}
+}
diff --git a/src/wps/wps_i.h b/src/wps/wps_i.h
new file mode 100644
index 0000000..437999b
--- /dev/null
+++ b/src/wps/wps_i.h
@@ -0,0 +1,301 @@
+/*
+ * Wi-Fi Protected Setup - internal definitions
+ * Copyright (c) 2008-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef WPS_I_H
+#define WPS_I_H
+
+#include "wps.h"
+
+/**
+ * struct wps_data - WPS registration protocol data
+ *
+ * This data is stored at the EAP-WSC server/peer method and it is kept for a
+ * single registration protocol run.
+ */
+struct wps_data {
+	/**
+	 * wps - Pointer to long term WPS context
+	 */
+	struct wps_context *wps;
+
+	/**
+	 * registrar - Whether this end is a Registrar
+	 */
+	int registrar;
+
+	/**
+	 * er - Whether the local end is an external registrar
+	 */
+	int er;
+
+	enum {
+		/* Enrollee states */
+		SEND_M1, RECV_M2, SEND_M3, RECV_M4, SEND_M5, RECV_M6, SEND_M7,
+		RECV_M8, RECEIVED_M2D, WPS_MSG_DONE, RECV_ACK, WPS_FINISHED,
+		SEND_WSC_NACK,
+
+		/* Registrar states */
+		RECV_M1, SEND_M2, RECV_M3, SEND_M4, RECV_M5, SEND_M6,
+		RECV_M7, SEND_M8, RECV_DONE, SEND_M2D, RECV_M2D_ACK
+	} state;
+
+	u8 uuid_e[WPS_UUID_LEN];
+	u8 uuid_r[WPS_UUID_LEN];
+	u8 mac_addr_e[ETH_ALEN];
+	u8 nonce_e[WPS_NONCE_LEN];
+	u8 nonce_r[WPS_NONCE_LEN];
+	u8 psk1[WPS_PSK_LEN];
+	u8 psk2[WPS_PSK_LEN];
+	u8 snonce[2 * WPS_SECRET_NONCE_LEN];
+	u8 peer_hash1[WPS_HASH_LEN];
+	u8 peer_hash2[WPS_HASH_LEN];
+
+	struct wpabuf *dh_privkey;
+	struct wpabuf *dh_pubkey_e;
+	struct wpabuf *dh_pubkey_r;
+	u8 authkey[WPS_AUTHKEY_LEN];
+	u8 keywrapkey[WPS_KEYWRAPKEY_LEN];
+	u8 emsk[WPS_EMSK_LEN];
+
+	struct wpabuf *last_msg;
+
+	u8 *dev_password;
+	size_t dev_password_len;
+	u16 dev_pw_id;
+	int pbc;
+
+	/**
+	 * request_type - Request Type attribute from (Re)AssocReq
+	 */
+	u8 request_type;
+
+	/**
+	 * encr_type - Available encryption types
+	 */
+	u16 encr_type;
+
+	/**
+	 * auth_type - Available authentication types
+	 */
+	u16 auth_type;
+
+	u8 *new_psk;
+	size_t new_psk_len;
+
+	int wps_pin_revealed;
+	struct wps_credential cred;
+
+	struct wps_device_data peer_dev;
+
+	/**
+	 * config_error - Configuration Error value to be used in NACK
+	 */
+	u16 config_error;
+	u16 error_indication;
+
+	int ext_reg;
+	int int_reg;
+
+	struct wps_credential *new_ap_settings;
+
+	void *dh_ctx;
+
+	void (*ap_settings_cb)(void *ctx, const struct wps_credential *cred);
+	void *ap_settings_cb_ctx;
+
+	struct wps_credential *use_cred;
+
+	int use_psk_key;
+	u8 p2p_dev_addr[ETH_ALEN]; /* P2P Device Address of the client or
+				    * 00:00:00:00:00:00 if not a P2p client */
+};
+
+
+struct wps_parse_attr {
+	/* fixed length fields */
+	const u8 *version; /* 1 octet */
+	const u8 *version2; /* 1 octet */
+	const u8 *msg_type; /* 1 octet */
+	const u8 *enrollee_nonce; /* WPS_NONCE_LEN (16) octets */
+	const u8 *registrar_nonce; /* WPS_NONCE_LEN (16) octets */
+	const u8 *uuid_r; /* WPS_UUID_LEN (16) octets */
+	const u8 *uuid_e; /* WPS_UUID_LEN (16) octets */
+	const u8 *auth_type_flags; /* 2 octets */
+	const u8 *encr_type_flags; /* 2 octets */
+	const u8 *conn_type_flags; /* 1 octet */
+	const u8 *config_methods; /* 2 octets */
+	const u8 *sel_reg_config_methods; /* 2 octets */
+	const u8 *primary_dev_type; /* 8 octets */
+	const u8 *rf_bands; /* 1 octet */
+	const u8 *assoc_state; /* 2 octets */
+	const u8 *config_error; /* 2 octets */
+	const u8 *dev_password_id; /* 2 octets */
+	const u8 *oob_dev_password; /* WPS_OOB_DEVICE_PASSWORD_ATTR_LEN (54)
+				     * octets */
+	const u8 *os_version; /* 4 octets */
+	const u8 *wps_state; /* 1 octet */
+	const u8 *authenticator; /* WPS_AUTHENTICATOR_LEN (8) octets */
+	const u8 *r_hash1; /* WPS_HASH_LEN (32) octets */
+	const u8 *r_hash2; /* WPS_HASH_LEN (32) octets */
+	const u8 *e_hash1; /* WPS_HASH_LEN (32) octets */
+	const u8 *e_hash2; /* WPS_HASH_LEN (32) octets */
+	const u8 *r_snonce1; /* WPS_SECRET_NONCE_LEN (16) octets */
+	const u8 *r_snonce2; /* WPS_SECRET_NONCE_LEN (16) octets */
+	const u8 *e_snonce1; /* WPS_SECRET_NONCE_LEN (16) octets */
+	const u8 *e_snonce2; /* WPS_SECRET_NONCE_LEN (16) octets */
+	const u8 *key_wrap_auth; /* WPS_KWA_LEN (8) octets */
+	const u8 *auth_type; /* 2 octets */
+	const u8 *encr_type; /* 2 octets */
+	const u8 *network_idx; /* 1 octet */
+	const u8 *network_key_idx; /* 1 octet */
+	const u8 *mac_addr; /* ETH_ALEN (6) octets */
+	const u8 *key_prov_auto; /* 1 octet (Bool) */
+	const u8 *dot1x_enabled; /* 1 octet (Bool) */
+	const u8 *selected_registrar; /* 1 octet (Bool) */
+	const u8 *request_type; /* 1 octet */
+	const u8 *response_type; /* 1 octet */
+	const u8 *ap_setup_locked; /* 1 octet */
+	const u8 *settings_delay_time; /* 1 octet */
+	const u8 *network_key_shareable; /* 1 octet (Bool) */
+	const u8 *request_to_enroll; /* 1 octet (Bool) */
+
+	/* variable length fields */
+	const u8 *manufacturer;
+	size_t manufacturer_len;
+	const u8 *model_name;
+	size_t model_name_len;
+	const u8 *model_number;
+	size_t model_number_len;
+	const u8 *serial_number;
+	size_t serial_number_len;
+	const u8 *dev_name;
+	size_t dev_name_len;
+	const u8 *public_key;
+	size_t public_key_len;
+	const u8 *encr_settings;
+	size_t encr_settings_len;
+	const u8 *ssid; /* <= 32 octets */
+	size_t ssid_len;
+	const u8 *network_key; /* <= 64 octets */
+	size_t network_key_len;
+	const u8 *eap_type; /* <= 8 octets */
+	size_t eap_type_len;
+	const u8 *eap_identity; /* <= 64 octets */
+	size_t eap_identity_len;
+	const u8 *authorized_macs; /* <= 30 octets */
+	size_t authorized_macs_len;
+	const u8 *sec_dev_type_list; /* <= 128 octets */
+	size_t sec_dev_type_list_len;
+
+	/* attributes that can occur multiple times */
+#define MAX_CRED_COUNT 10
+	const u8 *cred[MAX_CRED_COUNT];
+	size_t cred_len[MAX_CRED_COUNT];
+	size_t num_cred;
+
+#define MAX_REQ_DEV_TYPE_COUNT 10
+	const u8 *req_dev_type[MAX_REQ_DEV_TYPE_COUNT];
+	size_t num_req_dev_type;
+
+	const u8 *vendor_ext[MAX_WPS_PARSE_VENDOR_EXT];
+	size_t vendor_ext_len[MAX_WPS_PARSE_VENDOR_EXT];
+	size_t num_vendor_ext;
+};
+
+/* wps_common.c */
+void wps_kdf(const u8 *key, const u8 *label_prefix, size_t label_prefix_len,
+	     const char *label, u8 *res, size_t res_len);
+int wps_derive_keys(struct wps_data *wps);
+void wps_derive_psk(struct wps_data *wps, const u8 *dev_passwd,
+		    size_t dev_passwd_len);
+struct wpabuf * wps_decrypt_encr_settings(struct wps_data *wps, const u8 *encr,
+					  size_t encr_len);
+void wps_fail_event(struct wps_context *wps, enum wps_msg_type msg,
+		    u16 config_error, u16 error_indication);
+void wps_success_event(struct wps_context *wps);
+void wps_pwd_auth_fail_event(struct wps_context *wps, int enrollee, int part);
+void wps_pbc_overlap_event(struct wps_context *wps);
+void wps_pbc_timeout_event(struct wps_context *wps);
+
+extern struct oob_device_data oob_ufd_device_data;
+extern struct oob_device_data oob_nfc_device_data;
+extern struct oob_nfc_device_data oob_nfc_pn531_device_data;
+
+struct wpabuf * wps_build_wsc_ack(struct wps_data *wps);
+struct wpabuf * wps_build_wsc_nack(struct wps_data *wps);
+
+/* wps_attr_parse.c */
+int wps_parse_msg(const struct wpabuf *msg, struct wps_parse_attr *attr);
+
+/* wps_attr_build.c */
+int wps_build_public_key(struct wps_data *wps, struct wpabuf *msg);
+int wps_build_req_type(struct wpabuf *msg, enum wps_request_type type);
+int wps_build_resp_type(struct wpabuf *msg, enum wps_response_type type);
+int wps_build_config_methods(struct wpabuf *msg, u16 methods);
+int wps_build_uuid_e(struct wpabuf *msg, const u8 *uuid);
+int wps_build_dev_password_id(struct wpabuf *msg, u16 id);
+int wps_build_config_error(struct wpabuf *msg, u16 err);
+int wps_build_authenticator(struct wps_data *wps, struct wpabuf *msg);
+int wps_build_key_wrap_auth(struct wps_data *wps, struct wpabuf *msg);
+int wps_build_encr_settings(struct wps_data *wps, struct wpabuf *msg,
+			    struct wpabuf *plain);
+int wps_build_version(struct wpabuf *msg);
+int wps_build_wfa_ext(struct wpabuf *msg, int req_to_enroll,
+		      const u8 *auth_macs, size_t auth_macs_count);
+int wps_build_msg_type(struct wpabuf *msg, enum wps_msg_type msg_type);
+int wps_build_enrollee_nonce(struct wps_data *wps, struct wpabuf *msg);
+int wps_build_registrar_nonce(struct wps_data *wps, struct wpabuf *msg);
+int wps_build_auth_type_flags(struct wps_data *wps, struct wpabuf *msg);
+int wps_build_encr_type_flags(struct wps_data *wps, struct wpabuf *msg);
+int wps_build_conn_type_flags(struct wps_data *wps, struct wpabuf *msg);
+int wps_build_assoc_state(struct wps_data *wps, struct wpabuf *msg);
+int wps_build_oob_dev_password(struct wpabuf *msg, struct wps_context *wps);
+struct wpabuf * wps_ie_encapsulate(struct wpabuf *data);
+
+/* wps_attr_process.c */
+int wps_process_authenticator(struct wps_data *wps, const u8 *authenticator,
+			      const struct wpabuf *msg);
+int wps_process_key_wrap_auth(struct wps_data *wps, struct wpabuf *msg,
+			      const u8 *key_wrap_auth);
+int wps_process_cred(struct wps_parse_attr *attr,
+		     struct wps_credential *cred);
+int wps_process_ap_settings(struct wps_parse_attr *attr,
+			    struct wps_credential *cred);
+
+/* wps_enrollee.c */
+struct wpabuf * wps_enrollee_get_msg(struct wps_data *wps,
+				     enum wsc_op_code *op_code);
+enum wps_process_res wps_enrollee_process_msg(struct wps_data *wps,
+					      enum wsc_op_code op_code,
+					      const struct wpabuf *msg);
+
+/* wps_registrar.c */
+struct wpabuf * wps_registrar_get_msg(struct wps_data *wps,
+				      enum wsc_op_code *op_code);
+enum wps_process_res wps_registrar_process_msg(struct wps_data *wps,
+					       enum wsc_op_code op_code,
+					       const struct wpabuf *msg);
+int wps_build_cred(struct wps_data *wps, struct wpabuf *msg);
+int wps_device_store(struct wps_registrar *reg,
+		     struct wps_device_data *dev, const u8 *uuid);
+void wps_registrar_selected_registrar_changed(struct wps_registrar *reg);
+const u8 * wps_authorized_macs(struct wps_registrar *reg, size_t *count);
+int wps_registrar_pbc_overlap(struct wps_registrar *reg,
+			      const u8 *addr, const u8 *uuid_e);
+
+/* ndef.c */
+struct wpabuf * ndef_parse_wifi(struct wpabuf *buf);
+struct wpabuf * ndef_build_wifi(struct wpabuf *buf);
+
+#endif /* WPS_I_H */
diff --git a/src/wps/wps_nfc.c b/src/wps/wps_nfc.c
new file mode 100644
index 0000000..ff12000
--- /dev/null
+++ b/src/wps/wps_nfc.c
@@ -0,0 +1,117 @@
+/*
+ * NFC routines for Wi-Fi Protected Setup
+ * Copyright (c) 2009, Masashi Honma <honma@ictec.co.jp>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include "common.h"
+
+#include "wps/wps.h"
+#include "wps_i.h"
+
+
+struct wps_nfc_data {
+	struct oob_nfc_device_data *oob_nfc_dev;
+};
+
+
+static void * init_nfc(struct wps_context *wps,
+		       struct oob_device_data *oob_dev, int registrar)
+{
+	struct oob_nfc_device_data *oob_nfc_dev;
+	struct wps_nfc_data *data;
+
+	oob_nfc_dev = wps_get_oob_nfc_device(oob_dev->device_name);
+	if (oob_nfc_dev == NULL) {
+		wpa_printf(MSG_ERROR, "WPS (NFC): Unknown NFC device (%s)",
+			   oob_dev->device_name);
+		return NULL;
+	}
+
+	if (oob_nfc_dev->init_func(oob_dev->device_path) < 0)
+		return NULL;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL) {
+		wpa_printf(MSG_ERROR, "WPS (NFC): Failed to allocate "
+			   "nfc data area");
+		return NULL;
+	}
+	data->oob_nfc_dev = oob_nfc_dev;
+	return data;
+}
+
+
+static struct wpabuf * read_nfc(void *priv)
+{
+	struct wps_nfc_data *data = priv;
+	struct wpabuf *wifi, *buf;
+	char *raw_data;
+	size_t len;
+
+	raw_data = data->oob_nfc_dev->read_func(&len);
+	if (raw_data == NULL)
+		return NULL;
+
+	wifi = wpabuf_alloc_copy(raw_data, len);
+	os_free(raw_data);
+	if (wifi == NULL) {
+		wpa_printf(MSG_ERROR, "WPS (NFC): Failed to allocate "
+			   "nfc read area");
+		return NULL;
+	}
+
+	buf = ndef_parse_wifi(wifi);
+	wpabuf_free(wifi);
+	if (buf == NULL)
+		wpa_printf(MSG_ERROR, "WPS (NFC): Failed to unwrap");
+	return buf;
+}
+
+
+static int write_nfc(void *priv, struct wpabuf *buf)
+{
+	struct wps_nfc_data *data = priv;
+	struct wpabuf *wifi;
+	int ret;
+
+	wifi = ndef_build_wifi(buf);
+	if (wifi == NULL) {
+		wpa_printf(MSG_ERROR, "WPS (NFC): Failed to wrap");
+		return -1;
+	}
+
+	ret = data->oob_nfc_dev->write_func(wpabuf_mhead(wifi),
+					    wpabuf_len(wifi));
+	wpabuf_free(wifi);
+	return ret;
+}
+
+
+static void deinit_nfc(void *priv)
+{
+	struct wps_nfc_data *data = priv;
+
+	data->oob_nfc_dev->deinit_func();
+
+	os_free(data);
+}
+
+
+struct oob_device_data oob_nfc_device_data = {
+	.device_name	= NULL,
+	.device_path	= NULL,
+	.init_func	= init_nfc,
+	.read_func	= read_nfc,
+	.write_func	= write_nfc,
+	.deinit_func	= deinit_nfc,
+};
diff --git a/src/wps/wps_nfc_pn531.c b/src/wps/wps_nfc_pn531.c
new file mode 100644
index 0000000..7e05e4d
--- /dev/null
+++ b/src/wps/wps_nfc_pn531.c
@@ -0,0 +1,113 @@
+/*
+ * NFC PN531 routines for Wi-Fi Protected Setup
+ * Copyright (c) 2009, Masashi Honma <honma@ictec.co.jp>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include "common.h"
+
+#include "wps/wps.h"
+#include "wps_i.h"
+
+#include "WpsNfcType.h"
+#include "WpsNfc.h"
+
+
+static int init_nfc_pn531(char *path)
+{
+	u32 ret;
+
+	ret = WpsNfcInit();
+	if (ret != WPS_NFCLIB_ERR_SUCCESS) {
+		wpa_printf(MSG_ERROR, "WPS (PN531): Failed to initialize "
+			   "NFC Library: 0x%08x", ret);
+		return -1;
+	}
+
+	ret = WpsNfcOpenDevice((int8 *) path);
+	if (ret != WPS_NFCLIB_ERR_SUCCESS) {
+		wpa_printf(MSG_ERROR, "WPS (PN531): Failed to open "
+			   "NFC Device(%s): 0x%08x", path, ret);
+		goto fail;
+	}
+
+	ret = WpsNfcTokenDiscovery();
+	if (ret != WPS_NFCLIB_ERR_SUCCESS) {
+		wpa_printf(MSG_ERROR, "WPS (PN531): Failed to discover "
+			   "token: 0x%08x", ret);
+		WpsNfcCloseDevice();
+		goto fail;
+	}
+
+	return 0;
+
+fail:
+	WpsNfcDeinit();
+	return -1;
+}
+
+
+static void * read_nfc_pn531(size_t *size)
+{
+	uint32 len;
+	u32 ret;
+	int8 *data;
+
+	ret = WpsNfcRawReadToken(&data, &len);
+	if (ret != WPS_NFCLIB_ERR_SUCCESS) {
+		wpa_printf(MSG_ERROR, "WPS (PN531): Failed to read: 0x%08x",
+			   ret);
+		return NULL;
+	}
+
+	*size = len;
+	return data;
+}
+
+
+static int write_nfc_pn531(void *data, size_t len)
+{
+	u32 ret;
+
+	ret = WpsNfcRawWriteToken(data, len);
+	if (ret != WPS_NFCLIB_ERR_SUCCESS) {
+		wpa_printf(MSG_ERROR, "WPS (PN531): Failed to write: 0x%08x",
+			   ret);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static void deinit_nfc_pn531(void)
+{
+	u32 ret;
+
+	ret = WpsNfcCloseDevice();
+	if (ret != WPS_NFCLIB_ERR_SUCCESS)
+		wpa_printf(MSG_ERROR, "WPS (PN531): Failed to close "
+			   "NFC Device: 0x%08x", ret);
+
+	ret = WpsNfcDeinit();
+	if (ret != WPS_NFCLIB_ERR_SUCCESS)
+		wpa_printf(MSG_ERROR, "WPS (PN531): Failed to deinitialize "
+			   "NFC Library: 0x%08x", ret);
+}
+
+
+struct oob_nfc_device_data oob_nfc_pn531_device_data = {
+	.init_func	= init_nfc_pn531,
+	.read_func	= read_nfc_pn531,
+	.write_func	= write_nfc_pn531,
+	.deinit_func	= deinit_nfc_pn531,
+};
diff --git a/src/wps/wps_registrar.c b/src/wps/wps_registrar.c
new file mode 100644
index 0000000..65ff40d
--- /dev/null
+++ b/src/wps/wps_registrar.c
@@ -0,0 +1,3273 @@
+/*
+ * Wi-Fi Protected Setup - Registrar
+ * Copyright (c) 2008-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "utils/base64.h"
+#include "utils/eloop.h"
+#include "utils/uuid.h"
+#include "utils/list.h"
+#include "crypto/crypto.h"
+#include "crypto/sha256.h"
+#include "crypto/random.h"
+#include "common/ieee802_11_defs.h"
+#include "wps_i.h"
+#include "wps_dev_attr.h"
+#include "wps_upnp.h"
+#include "wps_upnp_i.h"
+
+#ifndef CONFIG_WPS_STRICT
+#define WPS_WORKAROUNDS
+#endif /* CONFIG_WPS_STRICT */
+
+struct wps_uuid_pin {
+	struct dl_list list;
+	u8 uuid[WPS_UUID_LEN];
+	int wildcard_uuid;
+	u8 *pin;
+	size_t pin_len;
+#define PIN_LOCKED BIT(0)
+#define PIN_EXPIRES BIT(1)
+	int flags;
+	struct os_time expiration;
+	u8 enrollee_addr[ETH_ALEN];
+};
+
+
+static void wps_free_pin(struct wps_uuid_pin *pin)
+{
+	os_free(pin->pin);
+	os_free(pin);
+}
+
+
+static void wps_remove_pin(struct wps_uuid_pin *pin)
+{
+	dl_list_del(&pin->list);
+	wps_free_pin(pin);
+}
+
+
+static void wps_free_pins(struct dl_list *pins)
+{
+	struct wps_uuid_pin *pin, *prev;
+	dl_list_for_each_safe(pin, prev, pins, struct wps_uuid_pin, list)
+		wps_remove_pin(pin);
+}
+
+
+struct wps_pbc_session {
+	struct wps_pbc_session *next;
+	u8 addr[ETH_ALEN];
+	u8 uuid_e[WPS_UUID_LEN];
+	struct os_time timestamp;
+};
+
+
+static void wps_free_pbc_sessions(struct wps_pbc_session *pbc)
+{
+	struct wps_pbc_session *prev;
+
+	while (pbc) {
+		prev = pbc;
+		pbc = pbc->next;
+		os_free(prev);
+	}
+}
+
+
+struct wps_registrar_device {
+	struct wps_registrar_device *next;
+	struct wps_device_data dev;
+	u8 uuid[WPS_UUID_LEN];
+};
+
+
+struct wps_registrar {
+	struct wps_context *wps;
+
+	int pbc;
+	int selected_registrar;
+
+	int (*new_psk_cb)(void *ctx, const u8 *mac_addr, const u8 *psk,
+			  size_t psk_len);
+	int (*set_ie_cb)(void *ctx, struct wpabuf *beacon_ie,
+			 struct wpabuf *probe_resp_ie);
+	void (*pin_needed_cb)(void *ctx, const u8 *uuid_e,
+			      const struct wps_device_data *dev);
+	void (*reg_success_cb)(void *ctx, const u8 *mac_addr,
+			       const u8 *uuid_e);
+	void (*set_sel_reg_cb)(void *ctx, int sel_reg, u16 dev_passwd_id,
+			       u16 sel_reg_config_methods);
+	void (*enrollee_seen_cb)(void *ctx, const u8 *addr, const u8 *uuid_e,
+				 const u8 *pri_dev_type, u16 config_methods,
+				 u16 dev_password_id, u8 request_type,
+				 const char *dev_name);
+	void *cb_ctx;
+
+	struct dl_list pins;
+	struct wps_pbc_session *pbc_sessions;
+
+	int skip_cred_build;
+	struct wpabuf *extra_cred;
+	int disable_auto_conf;
+	int sel_reg_union;
+	int sel_reg_dev_password_id_override;
+	int sel_reg_config_methods_override;
+	int static_wep_only;
+	int dualband;
+
+	struct wps_registrar_device *devices;
+
+	int force_pbc_overlap;
+
+	u8 authorized_macs[WPS_MAX_AUTHORIZED_MACS][ETH_ALEN];
+	u8 authorized_macs_union[WPS_MAX_AUTHORIZED_MACS][ETH_ALEN];
+
+	u8 p2p_dev_addr[ETH_ALEN];
+};
+
+
+static int wps_set_ie(struct wps_registrar *reg);
+static void wps_registrar_pbc_timeout(void *eloop_ctx, void *timeout_ctx);
+static void wps_registrar_set_selected_timeout(void *eloop_ctx,
+					       void *timeout_ctx);
+
+
+static void wps_registrar_add_authorized_mac(struct wps_registrar *reg,
+					     const u8 *addr)
+{
+	int i;
+	wpa_printf(MSG_DEBUG, "WPS: Add authorized MAC " MACSTR,
+		   MAC2STR(addr));
+	for (i = 0; i < WPS_MAX_AUTHORIZED_MACS; i++)
+		if (os_memcmp(reg->authorized_macs[i], addr, ETH_ALEN) == 0) {
+			wpa_printf(MSG_DEBUG, "WPS: Authorized MAC was "
+				   "already in the list");
+			return; /* already in list */
+		}
+	for (i = WPS_MAX_AUTHORIZED_MACS - 1; i > 0; i--)
+		os_memcpy(reg->authorized_macs[i], reg->authorized_macs[i - 1],
+			  ETH_ALEN);
+	os_memcpy(reg->authorized_macs[0], addr, ETH_ALEN);
+	wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs",
+		    (u8 *) reg->authorized_macs, sizeof(reg->authorized_macs));
+}
+
+
+static void wps_registrar_remove_authorized_mac(struct wps_registrar *reg,
+						const u8 *addr)
+{
+	int i;
+	wpa_printf(MSG_DEBUG, "WPS: Remove authorized MAC " MACSTR,
+		   MAC2STR(addr));
+	for (i = 0; i < WPS_MAX_AUTHORIZED_MACS; i++) {
+		if (os_memcmp(reg->authorized_macs, addr, ETH_ALEN) == 0)
+			break;
+	}
+	if (i == WPS_MAX_AUTHORIZED_MACS) {
+		wpa_printf(MSG_DEBUG, "WPS: Authorized MAC was not in the "
+			   "list");
+		return; /* not in the list */
+	}
+	for (; i + 1 < WPS_MAX_AUTHORIZED_MACS; i++)
+		os_memcpy(reg->authorized_macs[i], reg->authorized_macs[i + 1],
+			  ETH_ALEN);
+	os_memset(reg->authorized_macs[WPS_MAX_AUTHORIZED_MACS - 1], 0,
+		  ETH_ALEN);
+	wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs",
+		    (u8 *) reg->authorized_macs, sizeof(reg->authorized_macs));
+}
+
+
+static void wps_free_devices(struct wps_registrar_device *dev)
+{
+	struct wps_registrar_device *prev;
+
+	while (dev) {
+		prev = dev;
+		dev = dev->next;
+		wps_device_data_free(&prev->dev);
+		os_free(prev);
+	}
+}
+
+
+static struct wps_registrar_device * wps_device_get(struct wps_registrar *reg,
+						    const u8 *addr)
+{
+	struct wps_registrar_device *dev;
+
+	for (dev = reg->devices; dev; dev = dev->next) {
+		if (os_memcmp(dev->dev.mac_addr, addr, ETH_ALEN) == 0)
+			return dev;
+	}
+	return NULL;
+}
+
+
+static void wps_device_clone_data(struct wps_device_data *dst,
+				  struct wps_device_data *src)
+{
+	os_memcpy(dst->mac_addr, src->mac_addr, ETH_ALEN);
+	os_memcpy(dst->pri_dev_type, src->pri_dev_type, WPS_DEV_TYPE_LEN);
+
+#define WPS_STRDUP(n) \
+	os_free(dst->n); \
+	dst->n = src->n ? os_strdup(src->n) : NULL
+
+	WPS_STRDUP(device_name);
+	WPS_STRDUP(manufacturer);
+	WPS_STRDUP(model_name);
+	WPS_STRDUP(model_number);
+	WPS_STRDUP(serial_number);
+#undef WPS_STRDUP
+}
+
+
+int wps_device_store(struct wps_registrar *reg,
+		     struct wps_device_data *dev, const u8 *uuid)
+{
+	struct wps_registrar_device *d;
+
+	d = wps_device_get(reg, dev->mac_addr);
+	if (d == NULL) {
+		d = os_zalloc(sizeof(*d));
+		if (d == NULL)
+			return -1;
+		d->next = reg->devices;
+		reg->devices = d;
+	}
+
+	wps_device_clone_data(&d->dev, dev);
+	os_memcpy(d->uuid, uuid, WPS_UUID_LEN);
+
+	return 0;
+}
+
+
+static void wps_registrar_add_pbc_session(struct wps_registrar *reg,
+					  const u8 *addr, const u8 *uuid_e)
+{
+	struct wps_pbc_session *pbc, *prev = NULL;
+	struct os_time now;
+
+	os_get_time(&now);
+
+	pbc = reg->pbc_sessions;
+	while (pbc) {
+		if (os_memcmp(pbc->addr, addr, ETH_ALEN) == 0 &&
+		    os_memcmp(pbc->uuid_e, uuid_e, WPS_UUID_LEN) == 0) {
+			if (prev)
+				prev->next = pbc->next;
+			else
+				reg->pbc_sessions = pbc->next;
+			break;
+		}
+		prev = pbc;
+		pbc = pbc->next;
+	}
+
+	if (!pbc) {
+		pbc = os_zalloc(sizeof(*pbc));
+		if (pbc == NULL)
+			return;
+		os_memcpy(pbc->addr, addr, ETH_ALEN);
+		if (uuid_e)
+			os_memcpy(pbc->uuid_e, uuid_e, WPS_UUID_LEN);
+	}
+
+	pbc->next = reg->pbc_sessions;
+	reg->pbc_sessions = pbc;
+	pbc->timestamp = now;
+
+	/* remove entries that have timed out */
+	prev = pbc;
+	pbc = pbc->next;
+
+	while (pbc) {
+		if (now.sec > pbc->timestamp.sec + WPS_PBC_WALK_TIME) {
+			prev->next = NULL;
+			wps_free_pbc_sessions(pbc);
+			break;
+		}
+		prev = pbc;
+		pbc = pbc->next;
+	}
+}
+
+
+static void wps_registrar_remove_pbc_session(struct wps_registrar *reg,
+					     const u8 *uuid_e)
+{
+	struct wps_pbc_session *pbc, *prev = NULL, *tmp;
+
+	pbc = reg->pbc_sessions;
+	while (pbc) {
+		if (os_memcmp(pbc->uuid_e, uuid_e, WPS_UUID_LEN) == 0) {
+			if (prev)
+				prev->next = pbc->next;
+			else
+				reg->pbc_sessions = pbc->next;
+			tmp = pbc;
+			pbc = pbc->next;
+			wpa_printf(MSG_DEBUG, "WPS: Removing PBC session for "
+				   "addr=" MACSTR, MAC2STR(tmp->addr));
+			wpa_hexdump(MSG_DEBUG, "WPS: Removed UUID-E",
+				    tmp->uuid_e, WPS_UUID_LEN);
+			os_free(tmp);
+			continue;
+		}
+		prev = pbc;
+		pbc = pbc->next;
+	}
+}
+
+
+int wps_registrar_pbc_overlap(struct wps_registrar *reg,
+			      const u8 *addr, const u8 *uuid_e)
+{
+	int count = 0;
+	struct wps_pbc_session *pbc;
+	struct wps_pbc_session *first = NULL;
+	struct os_time now;
+
+	os_get_time(&now);
+
+	wpa_printf(MSG_DEBUG, "WPS: Checking active PBC sessions for overlap");
+
+	if (uuid_e) {
+		wpa_printf(MSG_DEBUG, "WPS: Add one for the requested UUID");
+		wpa_hexdump(MSG_DEBUG, "WPS: Requested UUID",
+			    uuid_e, WPS_UUID_LEN);
+		count++;
+	}
+
+	for (pbc = reg->pbc_sessions; pbc; pbc = pbc->next) {
+		wpa_printf(MSG_DEBUG, "WPS: Consider PBC session with " MACSTR,
+			   MAC2STR(pbc->addr));
+		wpa_hexdump(MSG_DEBUG, "WPS: UUID-E",
+			    pbc->uuid_e, WPS_UUID_LEN);
+		if (now.sec > pbc->timestamp.sec + WPS_PBC_WALK_TIME) {
+			wpa_printf(MSG_DEBUG, "WPS: PBC walk time has "
+				   "expired");
+			break;
+		}
+		if (first &&
+		    os_memcmp(pbc->uuid_e, first->uuid_e, WPS_UUID_LEN) == 0) {
+			wpa_printf(MSG_DEBUG, "WPS: Same Enrollee");
+			continue; /* same Enrollee */
+		}
+		if (uuid_e == NULL ||
+		    os_memcmp(uuid_e, pbc->uuid_e, WPS_UUID_LEN)) {
+			wpa_printf(MSG_DEBUG, "WPS: New Enrollee");
+			count++;
+		}
+		if (first == NULL)
+			first = pbc;
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS: %u active PBC session(s) found", count);
+
+	return count > 1 ? 1 : 0;
+}
+
+
+static int wps_build_wps_state(struct wps_context *wps, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * Wi-Fi Protected Setup State (%d)",
+		   wps->wps_state);
+	wpabuf_put_be16(msg, ATTR_WPS_STATE);
+	wpabuf_put_be16(msg, 1);
+	wpabuf_put_u8(msg, wps->wps_state);
+	return 0;
+}
+
+
+#ifdef CONFIG_WPS_UPNP
+static void wps_registrar_free_pending_m2(struct wps_context *wps)
+{
+	struct upnp_pending_message *p, *p2, *prev = NULL;
+	p = wps->upnp_msgs;
+	while (p) {
+		if (p->type == WPS_M2 || p->type == WPS_M2D) {
+			if (prev == NULL)
+				wps->upnp_msgs = p->next;
+			else
+				prev->next = p->next;
+			wpa_printf(MSG_DEBUG, "WPS UPnP: Drop pending M2/M2D");
+			p2 = p;
+			p = p->next;
+			wpabuf_free(p2->msg);
+			os_free(p2);
+			continue;
+		}
+		prev = p;
+		p = p->next;
+	}
+}
+#endif /* CONFIG_WPS_UPNP */
+
+
+static int wps_build_ap_setup_locked(struct wps_context *wps,
+				     struct wpabuf *msg)
+{
+	if (wps->ap_setup_locked && wps->ap_setup_locked != 2) {
+		wpa_printf(MSG_DEBUG, "WPS:  * AP Setup Locked");
+		wpabuf_put_be16(msg, ATTR_AP_SETUP_LOCKED);
+		wpabuf_put_be16(msg, 1);
+		wpabuf_put_u8(msg, 1);
+	}
+	return 0;
+}
+
+
+static int wps_build_selected_registrar(struct wps_registrar *reg,
+					struct wpabuf *msg)
+{
+	if (!reg->sel_reg_union)
+		return 0;
+	wpa_printf(MSG_DEBUG, "WPS:  * Selected Registrar");
+	wpabuf_put_be16(msg, ATTR_SELECTED_REGISTRAR);
+	wpabuf_put_be16(msg, 1);
+	wpabuf_put_u8(msg, 1);
+	return 0;
+}
+
+
+static int wps_build_sel_reg_dev_password_id(struct wps_registrar *reg,
+					     struct wpabuf *msg)
+{
+	u16 id = reg->pbc ? DEV_PW_PUSHBUTTON : DEV_PW_DEFAULT;
+	if (!reg->sel_reg_union)
+		return 0;
+	if (reg->sel_reg_dev_password_id_override >= 0)
+		id = reg->sel_reg_dev_password_id_override;
+	wpa_printf(MSG_DEBUG, "WPS:  * Device Password ID (%d)", id);
+	wpabuf_put_be16(msg, ATTR_DEV_PASSWORD_ID);
+	wpabuf_put_be16(msg, 2);
+	wpabuf_put_be16(msg, id);
+	return 0;
+}
+
+
+static int wps_build_sel_pbc_reg_uuid_e(struct wps_registrar *reg,
+					struct wpabuf *msg)
+{
+	u16 id = reg->pbc ? DEV_PW_PUSHBUTTON : DEV_PW_DEFAULT;
+	if (!reg->sel_reg_union)
+		return 0;
+	if (reg->sel_reg_dev_password_id_override >= 0)
+		id = reg->sel_reg_dev_password_id_override;
+	if (id != DEV_PW_PUSHBUTTON || !reg->dualband)
+		return 0;
+	return wps_build_uuid_e(msg, reg->wps->uuid);
+}
+
+
+static void wps_set_pushbutton(u16 *methods, u16 conf_methods)
+{
+	*methods |= WPS_CONFIG_PUSHBUTTON;
+#ifdef CONFIG_WPS2
+	if (conf_methods & WPS_CONFIG_VIRT_PUSHBUTTON)
+		*methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
+	if (conf_methods & WPS_CONFIG_PHY_PUSHBUTTON)
+		*methods |= WPS_CONFIG_PHY_PUSHBUTTON;
+	if ((*methods & WPS_CONFIG_VIRT_PUSHBUTTON) !=
+	    WPS_CONFIG_VIRT_PUSHBUTTON ||
+	    (*methods & WPS_CONFIG_PHY_PUSHBUTTON) !=
+	    WPS_CONFIG_PHY_PUSHBUTTON) {
+		/*
+		 * Required to include virtual/physical flag, but we were not
+		 * configured with push button type, so have to default to one
+		 * of them.
+		 */
+		*methods |= WPS_CONFIG_PHY_PUSHBUTTON;
+	}
+#endif /* CONFIG_WPS2 */
+}
+
+
+static int wps_build_sel_reg_config_methods(struct wps_registrar *reg,
+					    struct wpabuf *msg)
+{
+	u16 methods;
+	if (!reg->sel_reg_union)
+		return 0;
+	methods = reg->wps->config_methods;
+	methods &= ~WPS_CONFIG_PUSHBUTTON;
+#ifdef CONFIG_WPS2
+	methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON |
+		     WPS_CONFIG_PHY_PUSHBUTTON);
+#endif /* CONFIG_WPS2 */
+	if (reg->pbc)
+		wps_set_pushbutton(&methods, reg->wps->config_methods);
+	if (reg->sel_reg_config_methods_override >= 0)
+		methods = reg->sel_reg_config_methods_override;
+	wpa_printf(MSG_DEBUG, "WPS:  * Selected Registrar Config Methods (%x)",
+		   methods);
+	wpabuf_put_be16(msg, ATTR_SELECTED_REGISTRAR_CONFIG_METHODS);
+	wpabuf_put_be16(msg, 2);
+	wpabuf_put_be16(msg, methods);
+	return 0;
+}
+
+
+static int wps_build_probe_config_methods(struct wps_registrar *reg,
+					  struct wpabuf *msg)
+{
+	u16 methods;
+	/*
+	 * These are the methods that the AP supports as an Enrollee for adding
+	 * external Registrars.
+	 */
+	methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON;
+#ifdef CONFIG_WPS2
+	methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON |
+		     WPS_CONFIG_PHY_PUSHBUTTON);
+#endif /* CONFIG_WPS2 */
+	wpa_printf(MSG_DEBUG, "WPS:  * Config Methods (%x)", methods);
+	wpabuf_put_be16(msg, ATTR_CONFIG_METHODS);
+	wpabuf_put_be16(msg, 2);
+	wpabuf_put_be16(msg, methods);
+	return 0;
+}
+
+
+static int wps_build_config_methods_r(struct wps_registrar *reg,
+				      struct wpabuf *msg)
+{
+	u16 methods;
+	methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON;
+#ifdef CONFIG_WPS2
+	methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON |
+		     WPS_CONFIG_PHY_PUSHBUTTON);
+#endif /* CONFIG_WPS2 */
+	if (reg->pbc)
+		wps_set_pushbutton(&methods, reg->wps->config_methods);
+	return wps_build_config_methods(msg, methods);
+}
+
+
+const u8 * wps_authorized_macs(struct wps_registrar *reg, size_t *count)
+{
+	*count = 0;
+
+#ifdef CONFIG_WPS2
+	while (*count < WPS_MAX_AUTHORIZED_MACS) {
+		if (is_zero_ether_addr(reg->authorized_macs_union[*count]))
+			break;
+		(*count)++;
+	}
+#endif /* CONFIG_WPS2 */
+
+	return (const u8 *) reg->authorized_macs_union;
+}
+
+
+/**
+ * wps_registrar_init - Initialize WPS Registrar data
+ * @wps: Pointer to longterm WPS context
+ * @cfg: Registrar configuration
+ * Returns: Pointer to allocated Registrar data or %NULL on failure
+ *
+ * This function is used to initialize WPS Registrar functionality. It can be
+ * used for a single Registrar run (e.g., when run in a supplicant) or multiple
+ * runs (e.g., when run as an internal Registrar in an AP). Caller is
+ * responsible for freeing the returned data with wps_registrar_deinit() when
+ * Registrar functionality is not needed anymore.
+ */
+struct wps_registrar *
+wps_registrar_init(struct wps_context *wps,
+		   const struct wps_registrar_config *cfg)
+{
+	struct wps_registrar *reg = os_zalloc(sizeof(*reg));
+	if (reg == NULL)
+		return NULL;
+
+	dl_list_init(&reg->pins);
+	reg->wps = wps;
+	reg->new_psk_cb = cfg->new_psk_cb;
+	reg->set_ie_cb = cfg->set_ie_cb;
+	reg->pin_needed_cb = cfg->pin_needed_cb;
+	reg->reg_success_cb = cfg->reg_success_cb;
+	reg->set_sel_reg_cb = cfg->set_sel_reg_cb;
+	reg->enrollee_seen_cb = cfg->enrollee_seen_cb;
+	reg->cb_ctx = cfg->cb_ctx;
+	reg->skip_cred_build = cfg->skip_cred_build;
+	if (cfg->extra_cred) {
+		reg->extra_cred = wpabuf_alloc_copy(cfg->extra_cred,
+						    cfg->extra_cred_len);
+		if (reg->extra_cred == NULL) {
+			os_free(reg);
+			return NULL;
+		}
+	}
+	reg->disable_auto_conf = cfg->disable_auto_conf;
+	reg->sel_reg_dev_password_id_override = -1;
+	reg->sel_reg_config_methods_override = -1;
+	reg->static_wep_only = cfg->static_wep_only;
+	reg->dualband = cfg->dualband;
+
+	if (wps_set_ie(reg)) {
+		wps_registrar_deinit(reg);
+		return NULL;
+	}
+
+	return reg;
+}
+
+
+/**
+ * wps_registrar_deinit - Deinitialize WPS Registrar data
+ * @reg: Registrar data from wps_registrar_init()
+ */
+void wps_registrar_deinit(struct wps_registrar *reg)
+{
+	if (reg == NULL)
+		return;
+	eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL);
+	eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL);
+	wps_free_pins(&reg->pins);
+	wps_free_pbc_sessions(reg->pbc_sessions);
+	wpabuf_free(reg->extra_cred);
+	wps_free_devices(reg->devices);
+	os_free(reg);
+}
+
+
+/**
+ * wps_registrar_add_pin - Configure a new PIN for Registrar
+ * @reg: Registrar data from wps_registrar_init()
+ * @addr: Enrollee MAC address or %NULL if not known
+ * @uuid: UUID-E or %NULL for wildcard (any UUID)
+ * @pin: PIN (Device Password)
+ * @pin_len: Length of pin in octets
+ * @timeout: Time (in seconds) when the PIN will be invalidated; 0 = no timeout
+ * Returns: 0 on success, -1 on failure
+ */
+int wps_registrar_add_pin(struct wps_registrar *reg, const u8 *addr,
+			  const u8 *uuid, const u8 *pin, size_t pin_len,
+			  int timeout)
+{
+	struct wps_uuid_pin *p;
+
+	p = os_zalloc(sizeof(*p));
+	if (p == NULL)
+		return -1;
+	if (addr)
+		os_memcpy(p->enrollee_addr, addr, ETH_ALEN);
+	if (uuid == NULL)
+		p->wildcard_uuid = 1;
+	else
+		os_memcpy(p->uuid, uuid, WPS_UUID_LEN);
+	p->pin = os_malloc(pin_len);
+	if (p->pin == NULL) {
+		os_free(p);
+		return -1;
+	}
+	os_memcpy(p->pin, pin, pin_len);
+	p->pin_len = pin_len;
+
+	if (timeout) {
+		p->flags |= PIN_EXPIRES;
+		os_get_time(&p->expiration);
+		p->expiration.sec += timeout;
+	}
+
+	dl_list_add(&reg->pins, &p->list);
+
+	wpa_printf(MSG_DEBUG, "WPS: A new PIN configured (timeout=%d)",
+		   timeout);
+	wpa_hexdump(MSG_DEBUG, "WPS: UUID", uuid, WPS_UUID_LEN);
+	wpa_hexdump_ascii_key(MSG_DEBUG, "WPS: PIN", pin, pin_len);
+	reg->selected_registrar = 1;
+	reg->pbc = 0;
+	if (addr)
+		wps_registrar_add_authorized_mac(reg, addr);
+	else
+		wps_registrar_add_authorized_mac(
+			reg, (u8 *) "\xff\xff\xff\xff\xff\xff");
+	wps_registrar_selected_registrar_changed(reg);
+	eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL);
+	eloop_register_timeout(WPS_PBC_WALK_TIME, 0,
+			       wps_registrar_set_selected_timeout,
+			       reg, NULL);
+
+	return 0;
+}
+
+
+static void wps_registrar_remove_pin(struct wps_registrar *reg,
+				     struct wps_uuid_pin *pin)
+{
+	u8 *addr;
+	u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+
+	if (is_zero_ether_addr(pin->enrollee_addr))
+		addr = bcast;
+	else
+		addr = pin->enrollee_addr;
+	wps_registrar_remove_authorized_mac(reg, addr);
+	wps_remove_pin(pin);
+	wps_registrar_selected_registrar_changed(reg);
+}
+
+
+static void wps_registrar_expire_pins(struct wps_registrar *reg)
+{
+	struct wps_uuid_pin *pin, *prev;
+	struct os_time now;
+
+	os_get_time(&now);
+	dl_list_for_each_safe(pin, prev, &reg->pins, struct wps_uuid_pin, list)
+	{
+		if ((pin->flags & PIN_EXPIRES) &&
+		    os_time_before(&pin->expiration, &now)) {
+			wpa_hexdump(MSG_DEBUG, "WPS: Expired PIN for UUID",
+				    pin->uuid, WPS_UUID_LEN);
+			wps_registrar_remove_pin(reg, pin);
+		}
+	}
+}
+
+
+/**
+ * wps_registrar_invalidate_wildcard_pin - Invalidate a wildcard PIN
+ * @reg: Registrar data from wps_registrar_init()
+ * Returns: 0 on success, -1 if not wildcard PIN is enabled
+ */
+static int wps_registrar_invalidate_wildcard_pin(struct wps_registrar *reg)
+{
+	struct wps_uuid_pin *pin, *prev;
+
+	dl_list_for_each_safe(pin, prev, &reg->pins, struct wps_uuid_pin, list)
+	{
+		if (pin->wildcard_uuid) {
+			wpa_hexdump(MSG_DEBUG, "WPS: Invalidated PIN for UUID",
+				    pin->uuid, WPS_UUID_LEN);
+			wps_registrar_remove_pin(reg, pin);
+			return 0;
+		}
+	}
+
+	return -1;
+}
+
+
+/**
+ * wps_registrar_invalidate_pin - Invalidate a PIN for a specific UUID-E
+ * @reg: Registrar data from wps_registrar_init()
+ * @uuid: UUID-E
+ * Returns: 0 on success, -1 on failure (e.g., PIN not found)
+ */
+int wps_registrar_invalidate_pin(struct wps_registrar *reg, const u8 *uuid)
+{
+	struct wps_uuid_pin *pin, *prev;
+
+	dl_list_for_each_safe(pin, prev, &reg->pins, struct wps_uuid_pin, list)
+	{
+		if (os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0) {
+			wpa_hexdump(MSG_DEBUG, "WPS: Invalidated PIN for UUID",
+				    pin->uuid, WPS_UUID_LEN);
+			wps_registrar_remove_pin(reg, pin);
+			return 0;
+		}
+	}
+
+	return -1;
+}
+
+
+static const u8 * wps_registrar_get_pin(struct wps_registrar *reg,
+					const u8 *uuid, size_t *pin_len)
+{
+	struct wps_uuid_pin *pin, *found = NULL;
+
+	wps_registrar_expire_pins(reg);
+
+	dl_list_for_each(pin, &reg->pins, struct wps_uuid_pin, list) {
+		if (!pin->wildcard_uuid &&
+		    os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0) {
+			found = pin;
+			break;
+		}
+	}
+
+	if (!found) {
+		/* Check for wildcard UUIDs since none of the UUID-specific
+		 * PINs matched */
+		dl_list_for_each(pin, &reg->pins, struct wps_uuid_pin, list) {
+			if (pin->wildcard_uuid == 1) {
+				wpa_printf(MSG_DEBUG, "WPS: Found a wildcard "
+					   "PIN. Assigned it for this UUID-E");
+				pin->wildcard_uuid = 2;
+				os_memcpy(pin->uuid, uuid, WPS_UUID_LEN);
+				found = pin;
+				break;
+			}
+		}
+	}
+
+	if (!found)
+		return NULL;
+
+	/*
+	 * Lock the PIN to avoid attacks based on concurrent re-use of the PIN
+	 * that could otherwise avoid PIN invalidations.
+	 */
+	if (found->flags & PIN_LOCKED) {
+		wpa_printf(MSG_DEBUG, "WPS: Selected PIN locked - do not "
+			   "allow concurrent re-use");
+		return NULL;
+	}
+	*pin_len = found->pin_len;
+	found->flags |= PIN_LOCKED;
+	return found->pin;
+}
+
+
+/**
+ * wps_registrar_unlock_pin - Unlock a PIN for a specific UUID-E
+ * @reg: Registrar data from wps_registrar_init()
+ * @uuid: UUID-E
+ * Returns: 0 on success, -1 on failure
+ *
+ * PINs are locked to enforce only one concurrent use. This function unlocks a
+ * PIN to allow it to be used again. If the specified PIN was configured using
+ * a wildcard UUID, it will be removed instead of allowing multiple uses.
+ */
+int wps_registrar_unlock_pin(struct wps_registrar *reg, const u8 *uuid)
+{
+	struct wps_uuid_pin *pin;
+
+	dl_list_for_each(pin, &reg->pins, struct wps_uuid_pin, list) {
+		if (os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0) {
+			if (pin->wildcard_uuid == 2) {
+				wpa_printf(MSG_DEBUG, "WPS: Invalidating used "
+					   "wildcard PIN");
+				return wps_registrar_invalidate_pin(reg, uuid);
+			}
+			pin->flags &= ~PIN_LOCKED;
+			return 0;
+		}
+	}
+
+	return -1;
+}
+
+
+static void wps_registrar_stop_pbc(struct wps_registrar *reg)
+{
+	reg->selected_registrar = 0;
+	reg->pbc = 0;
+	os_memset(reg->p2p_dev_addr, 0, ETH_ALEN);
+	wps_registrar_remove_authorized_mac(reg,
+					    (u8 *) "\xff\xff\xff\xff\xff\xff");
+	wps_registrar_selected_registrar_changed(reg);
+}
+
+
+static void wps_registrar_pbc_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wps_registrar *reg = eloop_ctx;
+
+	wpa_printf(MSG_DEBUG, "WPS: PBC timed out - disable PBC mode");
+	wps_pbc_timeout_event(reg->wps);
+	wps_registrar_stop_pbc(reg);
+}
+
+
+/**
+ * wps_registrar_button_pushed - Notify Registrar that AP button was pushed
+ * @reg: Registrar data from wps_registrar_init()
+ * @p2p_dev_addr: Limit allowed PBC devices to the specified P2P device, %NULL
+ *	indicates no such filtering
+ * Returns: 0 on success, -1 on failure, -2 on session overlap
+ *
+ * This function is called on an AP when a push button is pushed to activate
+ * PBC mode. The PBC mode will be stopped after walk time (2 minutes) timeout
+ * or when a PBC registration is completed. If more than one Enrollee in active
+ * PBC mode has been detected during the monitor time (previous 2 minutes), the
+ * PBC mode is not actived and -2 is returned to indicate session overlap. This
+ * is skipped if a specific Enrollee is selected.
+ */
+int wps_registrar_button_pushed(struct wps_registrar *reg,
+				const u8 *p2p_dev_addr)
+{
+	if (p2p_dev_addr == NULL &&
+	    wps_registrar_pbc_overlap(reg, NULL, NULL)) {
+		wpa_printf(MSG_DEBUG, "WPS: PBC overlap - do not start PBC "
+			   "mode");
+		wps_pbc_overlap_event(reg->wps);
+		return -2;
+	}
+	wpa_printf(MSG_DEBUG, "WPS: Button pushed - PBC mode started");
+	reg->force_pbc_overlap = 0;
+	reg->selected_registrar = 1;
+	reg->pbc = 1;
+	if (p2p_dev_addr)
+		os_memcpy(reg->p2p_dev_addr, p2p_dev_addr, ETH_ALEN);
+	else
+		os_memset(reg->p2p_dev_addr, 0, ETH_ALEN);
+	wps_registrar_add_authorized_mac(reg,
+					 (u8 *) "\xff\xff\xff\xff\xff\xff");
+	wps_registrar_selected_registrar_changed(reg);
+
+	eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL);
+	eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL);
+	eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wps_registrar_pbc_timeout,
+			       reg, NULL);
+	return 0;
+}
+
+
+static void wps_registrar_pbc_completed(struct wps_registrar *reg)
+{
+	wpa_printf(MSG_DEBUG, "WPS: PBC completed - stopping PBC mode");
+	eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL);
+	wps_registrar_stop_pbc(reg);
+}
+
+
+static void wps_registrar_pin_completed(struct wps_registrar *reg)
+{
+	wpa_printf(MSG_DEBUG, "WPS: PIN completed using internal Registrar");
+	eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL);
+	reg->selected_registrar = 0;
+	wps_registrar_selected_registrar_changed(reg);
+}
+
+
+int wps_registrar_wps_cancel(struct wps_registrar *reg)
+{
+	if (reg->pbc) {
+		wpa_printf(MSG_DEBUG, "WPS: PBC is set - cancelling it");
+		wps_registrar_pbc_timeout(reg, NULL);
+		return 1;
+	} else if (reg->selected_registrar) {
+		/* PIN Method */
+		wpa_printf(MSG_DEBUG, "WPS: PIN is set - cancelling it");
+		wps_registrar_pin_completed(reg);
+		wps_registrar_invalidate_wildcard_pin(reg);
+		return 1;
+	}
+	return 0;
+}
+
+
+/**
+ * wps_registrar_probe_req_rx - Notify Registrar of Probe Request
+ * @reg: Registrar data from wps_registrar_init()
+ * @addr: MAC address of the Probe Request sender
+ * @wps_data: WPS IE contents
+ *
+ * This function is called on an AP when a Probe Request with WPS IE is
+ * received. This is used to track PBC mode use and to detect possible overlap
+ * situation with other WPS APs.
+ */
+void wps_registrar_probe_req_rx(struct wps_registrar *reg, const u8 *addr,
+				const struct wpabuf *wps_data,
+				int p2p_wildcard)
+{
+	struct wps_parse_attr attr;
+
+	wpa_hexdump_buf(MSG_MSGDUMP,
+			"WPS: Probe Request with WPS data received",
+			wps_data);
+
+	if (wps_parse_msg(wps_data, &attr) < 0)
+		return;
+
+	if (attr.config_methods == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Config Methods attribute in "
+			   "Probe Request");
+		return;
+	}
+
+	if (attr.dev_password_id == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Device Password Id attribute "
+			   "in Probe Request");
+		return;
+	}
+
+	if (reg->enrollee_seen_cb && attr.uuid_e &&
+	    attr.primary_dev_type && attr.request_type && !p2p_wildcard) {
+		char *dev_name = NULL;
+		if (attr.dev_name) {
+			dev_name = os_zalloc(attr.dev_name_len + 1);
+			if (dev_name) {
+				os_memcpy(dev_name, attr.dev_name,
+					  attr.dev_name_len);
+			}
+		}
+		reg->enrollee_seen_cb(reg->cb_ctx, addr, attr.uuid_e,
+				      attr.primary_dev_type,
+				      WPA_GET_BE16(attr.config_methods),
+				      WPA_GET_BE16(attr.dev_password_id),
+				      *attr.request_type, dev_name);
+		os_free(dev_name);
+	}
+
+	if (WPA_GET_BE16(attr.dev_password_id) != DEV_PW_PUSHBUTTON)
+		return; /* Not PBC */
+
+	wpa_printf(MSG_DEBUG, "WPS: Probe Request for PBC received from "
+		   MACSTR, MAC2STR(addr));
+	if (attr.uuid_e == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: Invalid Probe Request WPS IE: No "
+			   "UUID-E included");
+		return;
+	}
+	wpa_hexdump(MSG_DEBUG, "WPS: UUID-E from Probe Request", attr.uuid_e,
+		    WPS_UUID_LEN);
+
+	wps_registrar_add_pbc_session(reg, addr, attr.uuid_e);
+	if (wps_registrar_pbc_overlap(reg, addr, attr.uuid_e)) {
+		wpa_printf(MSG_DEBUG, "WPS: PBC session overlap detected");
+		reg->force_pbc_overlap = 1;
+		wps_pbc_overlap_event(reg->wps);
+	}
+}
+
+
+static int wps_cb_new_psk(struct wps_registrar *reg, const u8 *mac_addr,
+			  const u8 *psk, size_t psk_len)
+{
+	if (reg->new_psk_cb == NULL)
+		return 0;
+
+	return reg->new_psk_cb(reg->cb_ctx, mac_addr, psk, psk_len);
+}
+
+
+static void wps_cb_pin_needed(struct wps_registrar *reg, const u8 *uuid_e,
+			      const struct wps_device_data *dev)
+{
+	if (reg->pin_needed_cb == NULL)
+		return;
+
+	reg->pin_needed_cb(reg->cb_ctx, uuid_e, dev);
+}
+
+
+static void wps_cb_reg_success(struct wps_registrar *reg, const u8 *mac_addr,
+			       const u8 *uuid_e)
+{
+	if (reg->reg_success_cb == NULL)
+		return;
+
+	reg->reg_success_cb(reg->cb_ctx, mac_addr, uuid_e);
+}
+
+
+static int wps_cb_set_ie(struct wps_registrar *reg, struct wpabuf *beacon_ie,
+			 struct wpabuf *probe_resp_ie)
+{
+	return reg->set_ie_cb(reg->cb_ctx, beacon_ie, probe_resp_ie);
+}
+
+
+static void wps_cb_set_sel_reg(struct wps_registrar *reg)
+{
+	u16 methods = 0;
+	if (reg->set_sel_reg_cb == NULL)
+		return;
+
+	if (reg->selected_registrar) {
+		methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON;
+#ifdef CONFIG_WPS2
+		methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON |
+			     WPS_CONFIG_PHY_PUSHBUTTON);
+#endif /* CONFIG_WPS2 */
+		if (reg->pbc)
+			wps_set_pushbutton(&methods, reg->wps->config_methods);
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS: wps_cb_set_sel_reg: sel_reg=%d "
+		   "config_methods=0x%x pbc=%d methods=0x%x",
+		   reg->selected_registrar, reg->wps->config_methods,
+		   reg->pbc, methods);
+
+	reg->set_sel_reg_cb(reg->cb_ctx, reg->selected_registrar,
+			    reg->pbc ? DEV_PW_PUSHBUTTON : DEV_PW_DEFAULT,
+			    methods);
+}
+
+
+static int wps_set_ie(struct wps_registrar *reg)
+{
+	struct wpabuf *beacon;
+	struct wpabuf *probe;
+	const u8 *auth_macs;
+	size_t count;
+	size_t vendor_len = 0;
+	int i;
+
+	if (reg->set_ie_cb == NULL)
+		return 0;
+
+	for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) {
+		if (reg->wps->dev.vendor_ext[i]) {
+			vendor_len += 2 + 2;
+			vendor_len += wpabuf_len(reg->wps->dev.vendor_ext[i]);
+		}
+	}
+
+	beacon = wpabuf_alloc(400 + vendor_len);
+	if (beacon == NULL)
+		return -1;
+	probe = wpabuf_alloc(500 + vendor_len);
+	if (probe == NULL) {
+		wpabuf_free(beacon);
+		return -1;
+	}
+
+	auth_macs = wps_authorized_macs(reg, &count);
+
+	wpa_printf(MSG_DEBUG, "WPS: Build Beacon IEs");
+
+	if (wps_build_version(beacon) ||
+	    wps_build_wps_state(reg->wps, beacon) ||
+	    wps_build_ap_setup_locked(reg->wps, beacon) ||
+	    wps_build_selected_registrar(reg, beacon) ||
+	    wps_build_sel_reg_dev_password_id(reg, beacon) ||
+	    wps_build_sel_reg_config_methods(reg, beacon) ||
+	    wps_build_sel_pbc_reg_uuid_e(reg, beacon) ||
+	    (reg->dualband && wps_build_rf_bands(&reg->wps->dev, beacon)) ||
+	    wps_build_wfa_ext(beacon, 0, auth_macs, count) ||
+	    wps_build_vendor_ext(&reg->wps->dev, beacon)) {
+		wpabuf_free(beacon);
+		wpabuf_free(probe);
+		return -1;
+	}
+
+#ifdef CONFIG_P2P
+	if (wps_build_dev_name(&reg->wps->dev, beacon) ||
+	    wps_build_primary_dev_type(&reg->wps->dev, beacon)) {
+		wpabuf_free(beacon);
+		wpabuf_free(probe);
+		return -1;
+	}
+#endif /* CONFIG_P2P */
+
+	wpa_printf(MSG_DEBUG, "WPS: Build Probe Response IEs");
+
+	if (wps_build_version(probe) ||
+	    wps_build_wps_state(reg->wps, probe) ||
+	    wps_build_ap_setup_locked(reg->wps, probe) ||
+	    wps_build_selected_registrar(reg, probe) ||
+	    wps_build_sel_reg_dev_password_id(reg, probe) ||
+	    wps_build_sel_reg_config_methods(reg, probe) ||
+	    wps_build_resp_type(probe, reg->wps->ap ? WPS_RESP_AP :
+				WPS_RESP_REGISTRAR) ||
+	    wps_build_uuid_e(probe, reg->wps->uuid) ||
+	    wps_build_device_attrs(&reg->wps->dev, probe) ||
+	    wps_build_probe_config_methods(reg, probe) ||
+	    wps_build_rf_bands(&reg->wps->dev, probe) ||
+	    wps_build_wfa_ext(probe, 0, auth_macs, count) ||
+	    wps_build_vendor_ext(&reg->wps->dev, probe)) {
+		wpabuf_free(beacon);
+		wpabuf_free(probe);
+		return -1;
+	}
+
+	beacon = wps_ie_encapsulate(beacon);
+	probe = wps_ie_encapsulate(probe);
+
+	if (!beacon || !probe) {
+		wpabuf_free(beacon);
+		wpabuf_free(probe);
+		return -1;
+	}
+
+	if (reg->static_wep_only) {
+		/*
+		 * Windows XP and Vista clients can get confused about
+		 * EAP-Identity/Request when they probe the network with
+		 * EAPOL-Start. In such a case, they may assume the network is
+		 * using IEEE 802.1X and prompt user for a certificate while
+		 * the correct (non-WPS) behavior would be to ask for the
+		 * static WEP key. As a workaround, use Microsoft Provisioning
+		 * IE to advertise that legacy 802.1X is not supported.
+		 */
+		const u8 ms_wps[7] = {
+			WLAN_EID_VENDOR_SPECIFIC, 5,
+			/* Microsoft Provisioning IE (00:50:f2:5) */
+			0x00, 0x50, 0xf2, 5,
+			0x00 /* no legacy 802.1X or MS WPS */
+		};
+		wpa_printf(MSG_DEBUG, "WPS: Add Microsoft Provisioning IE "
+			   "into Beacon/Probe Response frames");
+		wpabuf_put_data(beacon, ms_wps, sizeof(ms_wps));
+		wpabuf_put_data(probe, ms_wps, sizeof(ms_wps));
+	}
+
+	return wps_cb_set_ie(reg, beacon, probe);
+}
+
+
+static int wps_get_dev_password(struct wps_data *wps)
+{
+	const u8 *pin;
+	size_t pin_len = 0;
+
+	os_free(wps->dev_password);
+	wps->dev_password = NULL;
+
+	if (wps->pbc) {
+		wpa_printf(MSG_DEBUG, "WPS: Use default PIN for PBC");
+		pin = (const u8 *) "00000000";
+		pin_len = 8;
+	} else {
+		pin = wps_registrar_get_pin(wps->wps->registrar, wps->uuid_e,
+					    &pin_len);
+	}
+	if (pin == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Device Password available for "
+			   "the Enrollee");
+		wps_cb_pin_needed(wps->wps->registrar, wps->uuid_e,
+				  &wps->peer_dev);
+		return -1;
+	}
+
+	wps->dev_password = os_malloc(pin_len);
+	if (wps->dev_password == NULL)
+		return -1;
+	os_memcpy(wps->dev_password, pin, pin_len);
+	wps->dev_password_len = pin_len;
+
+	return 0;
+}
+
+
+static int wps_build_uuid_r(struct wps_data *wps, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * UUID-R");
+	wpabuf_put_be16(msg, ATTR_UUID_R);
+	wpabuf_put_be16(msg, WPS_UUID_LEN);
+	wpabuf_put_data(msg, wps->uuid_r, WPS_UUID_LEN);
+	return 0;
+}
+
+
+static int wps_build_r_hash(struct wps_data *wps, struct wpabuf *msg)
+{
+	u8 *hash;
+	const u8 *addr[4];
+	size_t len[4];
+
+	if (random_get_bytes(wps->snonce, 2 * WPS_SECRET_NONCE_LEN) < 0)
+		return -1;
+	wpa_hexdump(MSG_DEBUG, "WPS: R-S1", wps->snonce, WPS_SECRET_NONCE_LEN);
+	wpa_hexdump(MSG_DEBUG, "WPS: R-S2",
+		    wps->snonce + WPS_SECRET_NONCE_LEN, WPS_SECRET_NONCE_LEN);
+
+	if (wps->dh_pubkey_e == NULL || wps->dh_pubkey_r == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: DH public keys not available for "
+			   "R-Hash derivation");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS:  * R-Hash1");
+	wpabuf_put_be16(msg, ATTR_R_HASH1);
+	wpabuf_put_be16(msg, SHA256_MAC_LEN);
+	hash = wpabuf_put(msg, SHA256_MAC_LEN);
+	/* R-Hash1 = HMAC_AuthKey(R-S1 || PSK1 || PK_E || PK_R) */
+	addr[0] = wps->snonce;
+	len[0] = WPS_SECRET_NONCE_LEN;
+	addr[1] = wps->psk1;
+	len[1] = WPS_PSK_LEN;
+	addr[2] = wpabuf_head(wps->dh_pubkey_e);
+	len[2] = wpabuf_len(wps->dh_pubkey_e);
+	addr[3] = wpabuf_head(wps->dh_pubkey_r);
+	len[3] = wpabuf_len(wps->dh_pubkey_r);
+	hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash);
+	wpa_hexdump(MSG_DEBUG, "WPS: R-Hash1", hash, SHA256_MAC_LEN);
+
+	wpa_printf(MSG_DEBUG, "WPS:  * R-Hash2");
+	wpabuf_put_be16(msg, ATTR_R_HASH2);
+	wpabuf_put_be16(msg, SHA256_MAC_LEN);
+	hash = wpabuf_put(msg, SHA256_MAC_LEN);
+	/* R-Hash2 = HMAC_AuthKey(R-S2 || PSK2 || PK_E || PK_R) */
+	addr[0] = wps->snonce + WPS_SECRET_NONCE_LEN;
+	addr[1] = wps->psk2;
+	hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash);
+	wpa_hexdump(MSG_DEBUG, "WPS: R-Hash2", hash, SHA256_MAC_LEN);
+
+	return 0;
+}
+
+
+static int wps_build_r_snonce1(struct wps_data *wps, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * R-SNonce1");
+	wpabuf_put_be16(msg, ATTR_R_SNONCE1);
+	wpabuf_put_be16(msg, WPS_SECRET_NONCE_LEN);
+	wpabuf_put_data(msg, wps->snonce, WPS_SECRET_NONCE_LEN);
+	return 0;
+}
+
+
+static int wps_build_r_snonce2(struct wps_data *wps, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * R-SNonce2");
+	wpabuf_put_be16(msg, ATTR_R_SNONCE2);
+	wpabuf_put_be16(msg, WPS_SECRET_NONCE_LEN);
+	wpabuf_put_data(msg, wps->snonce + WPS_SECRET_NONCE_LEN,
+			WPS_SECRET_NONCE_LEN);
+	return 0;
+}
+
+
+static int wps_build_cred_network_idx(struct wpabuf *msg,
+				      const struct wps_credential *cred)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * Network Index (1)");
+	wpabuf_put_be16(msg, ATTR_NETWORK_INDEX);
+	wpabuf_put_be16(msg, 1);
+	wpabuf_put_u8(msg, 1);
+	return 0;
+}
+
+
+static int wps_build_cred_ssid(struct wpabuf *msg,
+			       const struct wps_credential *cred)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * SSID");
+	wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID for Credential",
+			  cred->ssid, cred->ssid_len);
+	wpabuf_put_be16(msg, ATTR_SSID);
+	wpabuf_put_be16(msg, cred->ssid_len);
+	wpabuf_put_data(msg, cred->ssid, cred->ssid_len);
+	return 0;
+}
+
+
+static int wps_build_cred_auth_type(struct wpabuf *msg,
+				    const struct wps_credential *cred)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * Authentication Type (0x%x)",
+		   cred->auth_type);
+	wpabuf_put_be16(msg, ATTR_AUTH_TYPE);
+	wpabuf_put_be16(msg, 2);
+	wpabuf_put_be16(msg, cred->auth_type);
+	return 0;
+}
+
+
+static int wps_build_cred_encr_type(struct wpabuf *msg,
+				    const struct wps_credential *cred)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * Encryption Type (0x%x)",
+		   cred->encr_type);
+	wpabuf_put_be16(msg, ATTR_ENCR_TYPE);
+	wpabuf_put_be16(msg, 2);
+	wpabuf_put_be16(msg, cred->encr_type);
+	return 0;
+}
+
+
+static int wps_build_cred_network_key(struct wpabuf *msg,
+				      const struct wps_credential *cred)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * Network Key (len=%d)",
+		   (int) cred->key_len);
+	wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key",
+			cred->key, cred->key_len);
+	wpabuf_put_be16(msg, ATTR_NETWORK_KEY);
+	wpabuf_put_be16(msg, cred->key_len);
+	wpabuf_put_data(msg, cred->key, cred->key_len);
+	return 0;
+}
+
+
+static int wps_build_cred_mac_addr(struct wpabuf *msg,
+				   const struct wps_credential *cred)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * MAC Address (" MACSTR ")",
+		   MAC2STR(cred->mac_addr));
+	wpabuf_put_be16(msg, ATTR_MAC_ADDR);
+	wpabuf_put_be16(msg, ETH_ALEN);
+	wpabuf_put_data(msg, cred->mac_addr, ETH_ALEN);
+	return 0;
+}
+
+
+static int wps_build_credential(struct wpabuf *msg,
+				const struct wps_credential *cred)
+{
+	if (wps_build_cred_network_idx(msg, cred) ||
+	    wps_build_cred_ssid(msg, cred) ||
+	    wps_build_cred_auth_type(msg, cred) ||
+	    wps_build_cred_encr_type(msg, cred) ||
+	    wps_build_cred_network_key(msg, cred) ||
+	    wps_build_cred_mac_addr(msg, cred))
+		return -1;
+	return 0;
+}
+
+
+int wps_build_cred(struct wps_data *wps, struct wpabuf *msg)
+{
+	struct wpabuf *cred;
+
+	if (wps->wps->registrar->skip_cred_build)
+		goto skip_cred_build;
+
+	wpa_printf(MSG_DEBUG, "WPS:  * Credential");
+	if (wps->use_cred) {
+		os_memcpy(&wps->cred, wps->use_cred, sizeof(wps->cred));
+		goto use_provided;
+	}
+	os_memset(&wps->cred, 0, sizeof(wps->cred));
+
+	os_memcpy(wps->cred.ssid, wps->wps->ssid, wps->wps->ssid_len);
+	wps->cred.ssid_len = wps->wps->ssid_len;
+
+	/* Select the best authentication and encryption type */
+	if (wps->auth_type & WPS_AUTH_WPA2PSK)
+		wps->auth_type = WPS_AUTH_WPA2PSK;
+	else if (wps->auth_type & WPS_AUTH_WPAPSK)
+		wps->auth_type = WPS_AUTH_WPAPSK;
+	else if (wps->auth_type & WPS_AUTH_OPEN)
+		wps->auth_type = WPS_AUTH_OPEN;
+	else if (wps->auth_type & WPS_AUTH_SHARED)
+		wps->auth_type = WPS_AUTH_SHARED;
+	else {
+		wpa_printf(MSG_DEBUG, "WPS: Unsupported auth_type 0x%x",
+			   wps->auth_type);
+		return -1;
+	}
+	wps->cred.auth_type = wps->auth_type;
+
+	if (wps->auth_type == WPS_AUTH_WPA2PSK ||
+	    wps->auth_type == WPS_AUTH_WPAPSK) {
+		if (wps->encr_type & WPS_ENCR_AES)
+			wps->encr_type = WPS_ENCR_AES;
+		else if (wps->encr_type & WPS_ENCR_TKIP)
+			wps->encr_type = WPS_ENCR_TKIP;
+		else {
+			wpa_printf(MSG_DEBUG, "WPS: No suitable encryption "
+				   "type for WPA/WPA2");
+			return -1;
+		}
+	} else {
+		if (wps->encr_type & WPS_ENCR_WEP)
+			wps->encr_type = WPS_ENCR_WEP;
+		else if (wps->encr_type & WPS_ENCR_NONE)
+			wps->encr_type = WPS_ENCR_NONE;
+		else {
+			wpa_printf(MSG_DEBUG, "WPS: No suitable encryption "
+				   "type for non-WPA/WPA2 mode");
+			return -1;
+		}
+	}
+	wps->cred.encr_type = wps->encr_type;
+	/*
+	 * Set MAC address in the Credential to be the Enrollee's MAC address
+	 */
+	os_memcpy(wps->cred.mac_addr, wps->mac_addr_e, ETH_ALEN);
+
+	if (wps->wps->wps_state == WPS_STATE_NOT_CONFIGURED && wps->wps->ap &&
+	    !wps->wps->registrar->disable_auto_conf) {
+		u8 r[16];
+		/* Generate a random passphrase */
+		if (random_get_bytes(r, sizeof(r)) < 0)
+			return -1;
+		os_free(wps->new_psk);
+		wps->new_psk = base64_encode(r, sizeof(r), &wps->new_psk_len);
+		if (wps->new_psk == NULL)
+			return -1;
+		wps->new_psk_len--; /* remove newline */
+		while (wps->new_psk_len &&
+		       wps->new_psk[wps->new_psk_len - 1] == '=')
+			wps->new_psk_len--;
+		wpa_hexdump_ascii_key(MSG_DEBUG, "WPS: Generated passphrase",
+				      wps->new_psk, wps->new_psk_len);
+		os_memcpy(wps->cred.key, wps->new_psk, wps->new_psk_len);
+		wps->cred.key_len = wps->new_psk_len;
+	} else if (wps->use_psk_key && wps->wps->psk_set) {
+		char hex[65];
+		wpa_printf(MSG_DEBUG, "WPS: Use PSK format for Network Key");
+		wpa_snprintf_hex(hex, sizeof(hex), wps->wps->psk, 32);
+		os_memcpy(wps->cred.key, hex, 32 * 2);
+		wps->cred.key_len = 32 * 2;
+	} else if (wps->wps->network_key) {
+		os_memcpy(wps->cred.key, wps->wps->network_key,
+			  wps->wps->network_key_len);
+		wps->cred.key_len = wps->wps->network_key_len;
+	} else if (wps->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
+		char hex[65];
+		/* Generate a random per-device PSK */
+		os_free(wps->new_psk);
+		wps->new_psk_len = 32;
+		wps->new_psk = os_malloc(wps->new_psk_len);
+		if (wps->new_psk == NULL)
+			return -1;
+		if (random_get_bytes(wps->new_psk, wps->new_psk_len) < 0) {
+			os_free(wps->new_psk);
+			wps->new_psk = NULL;
+			return -1;
+		}
+		wpa_hexdump_key(MSG_DEBUG, "WPS: Generated per-device PSK",
+				wps->new_psk, wps->new_psk_len);
+		wpa_snprintf_hex(hex, sizeof(hex), wps->new_psk,
+				 wps->new_psk_len);
+		os_memcpy(wps->cred.key, hex, wps->new_psk_len * 2);
+		wps->cred.key_len = wps->new_psk_len * 2;
+	}
+
+use_provided:
+#ifdef CONFIG_WPS_TESTING
+	if (wps_testing_dummy_cred)
+		cred = wpabuf_alloc(200);
+	else
+		cred = NULL;
+	if (cred) {
+		struct wps_credential dummy;
+		wpa_printf(MSG_DEBUG, "WPS: Add dummy credential");
+		os_memset(&dummy, 0, sizeof(dummy));
+		os_memcpy(dummy.ssid, "dummy", 5);
+		dummy.ssid_len = 5;
+		dummy.auth_type = WPS_AUTH_WPA2PSK;
+		dummy.encr_type = WPS_ENCR_AES;
+		os_memcpy(dummy.key, "dummy psk", 9);
+		dummy.key_len = 9;
+		os_memcpy(dummy.mac_addr, wps->mac_addr_e, ETH_ALEN);
+		wps_build_credential(cred, &dummy);
+		wpa_hexdump_buf(MSG_DEBUG, "WPS: Dummy Credential", cred);
+
+		wpabuf_put_be16(msg, ATTR_CRED);
+		wpabuf_put_be16(msg, wpabuf_len(cred));
+		wpabuf_put_buf(msg, cred);
+
+		wpabuf_free(cred);
+	}
+#endif /* CONFIG_WPS_TESTING */
+
+	cred = wpabuf_alloc(200);
+	if (cred == NULL)
+		return -1;
+
+	if (wps_build_credential(cred, &wps->cred)) {
+		wpabuf_free(cred);
+		return -1;
+	}
+
+	wpabuf_put_be16(msg, ATTR_CRED);
+	wpabuf_put_be16(msg, wpabuf_len(cred));
+	wpabuf_put_buf(msg, cred);
+	wpabuf_free(cred);
+
+skip_cred_build:
+	if (wps->wps->registrar->extra_cred) {
+		wpa_printf(MSG_DEBUG, "WPS:  * Credential (pre-configured)");
+		wpabuf_put_buf(msg, wps->wps->registrar->extra_cred);
+	}
+
+	return 0;
+}
+
+
+static int wps_build_ap_settings(struct wps_data *wps, struct wpabuf *msg)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * AP Settings");
+
+	if (wps_build_credential(msg, &wps->cred))
+		return -1;
+
+	return 0;
+}
+
+
+static struct wpabuf * wps_build_m2(struct wps_data *wps)
+{
+	struct wpabuf *msg;
+
+	if (random_get_bytes(wps->nonce_r, WPS_NONCE_LEN) < 0)
+		return NULL;
+	wpa_hexdump(MSG_DEBUG, "WPS: Registrar Nonce",
+		    wps->nonce_r, WPS_NONCE_LEN);
+	wpa_hexdump(MSG_DEBUG, "WPS: UUID-R", wps->uuid_r, WPS_UUID_LEN);
+
+	wpa_printf(MSG_DEBUG, "WPS: Building Message M2");
+	msg = wpabuf_alloc(1000);
+	if (msg == NULL)
+		return NULL;
+
+	if (wps_build_version(msg) ||
+	    wps_build_msg_type(msg, WPS_M2) ||
+	    wps_build_enrollee_nonce(wps, msg) ||
+	    wps_build_registrar_nonce(wps, msg) ||
+	    wps_build_uuid_r(wps, msg) ||
+	    wps_build_public_key(wps, msg) ||
+	    wps_derive_keys(wps) ||
+	    wps_build_auth_type_flags(wps, msg) ||
+	    wps_build_encr_type_flags(wps, msg) ||
+	    wps_build_conn_type_flags(wps, msg) ||
+	    wps_build_config_methods_r(wps->wps->registrar, msg) ||
+	    wps_build_device_attrs(&wps->wps->dev, msg) ||
+	    wps_build_rf_bands(&wps->wps->dev, msg) ||
+	    wps_build_assoc_state(wps, msg) ||
+	    wps_build_config_error(msg, WPS_CFG_NO_ERROR) ||
+	    wps_build_dev_password_id(msg, wps->dev_pw_id) ||
+	    wps_build_os_version(&wps->wps->dev, msg) ||
+	    wps_build_wfa_ext(msg, 0, NULL, 0) ||
+	    wps_build_authenticator(wps, msg)) {
+		wpabuf_free(msg);
+		return NULL;
+	}
+
+	wps->int_reg = 1;
+	wps->state = RECV_M3;
+	return msg;
+}
+
+
+static struct wpabuf * wps_build_m2d(struct wps_data *wps)
+{
+	struct wpabuf *msg;
+	u16 err = wps->config_error;
+
+	wpa_printf(MSG_DEBUG, "WPS: Building Message M2D");
+	msg = wpabuf_alloc(1000);
+	if (msg == NULL)
+		return NULL;
+
+	if (wps->wps->ap && wps->wps->ap_setup_locked &&
+	    err == WPS_CFG_NO_ERROR)
+		err = WPS_CFG_SETUP_LOCKED;
+
+	if (wps_build_version(msg) ||
+	    wps_build_msg_type(msg, WPS_M2D) ||
+	    wps_build_enrollee_nonce(wps, msg) ||
+	    wps_build_registrar_nonce(wps, msg) ||
+	    wps_build_uuid_r(wps, msg) ||
+	    wps_build_auth_type_flags(wps, msg) ||
+	    wps_build_encr_type_flags(wps, msg) ||
+	    wps_build_conn_type_flags(wps, msg) ||
+	    wps_build_config_methods_r(wps->wps->registrar, msg) ||
+	    wps_build_device_attrs(&wps->wps->dev, msg) ||
+	    wps_build_rf_bands(&wps->wps->dev, msg) ||
+	    wps_build_assoc_state(wps, msg) ||
+	    wps_build_config_error(msg, err) ||
+	    wps_build_os_version(&wps->wps->dev, msg) ||
+	    wps_build_wfa_ext(msg, 0, NULL, 0)) {
+		wpabuf_free(msg);
+		return NULL;
+	}
+
+	wps->state = RECV_M2D_ACK;
+	return msg;
+}
+
+
+static struct wpabuf * wps_build_m4(struct wps_data *wps)
+{
+	struct wpabuf *msg, *plain;
+
+	wpa_printf(MSG_DEBUG, "WPS: Building Message M4");
+
+	wps_derive_psk(wps, wps->dev_password, wps->dev_password_len);
+
+	plain = wpabuf_alloc(200);
+	if (plain == NULL)
+		return NULL;
+
+	msg = wpabuf_alloc(1000);
+	if (msg == NULL) {
+		wpabuf_free(plain);
+		return NULL;
+	}
+
+	if (wps_build_version(msg) ||
+	    wps_build_msg_type(msg, WPS_M4) ||
+	    wps_build_enrollee_nonce(wps, msg) ||
+	    wps_build_r_hash(wps, msg) ||
+	    wps_build_r_snonce1(wps, plain) ||
+	    wps_build_key_wrap_auth(wps, plain) ||
+	    wps_build_encr_settings(wps, msg, plain) ||
+	    wps_build_wfa_ext(msg, 0, NULL, 0) ||
+	    wps_build_authenticator(wps, msg)) {
+		wpabuf_free(plain);
+		wpabuf_free(msg);
+		return NULL;
+	}
+	wpabuf_free(plain);
+
+	wps->state = RECV_M5;
+	return msg;
+}
+
+
+static struct wpabuf * wps_build_m6(struct wps_data *wps)
+{
+	struct wpabuf *msg, *plain;
+
+	wpa_printf(MSG_DEBUG, "WPS: Building Message M6");
+
+	plain = wpabuf_alloc(200);
+	if (plain == NULL)
+		return NULL;
+
+	msg = wpabuf_alloc(1000);
+	if (msg == NULL) {
+		wpabuf_free(plain);
+		return NULL;
+	}
+
+	if (wps_build_version(msg) ||
+	    wps_build_msg_type(msg, WPS_M6) ||
+	    wps_build_enrollee_nonce(wps, msg) ||
+	    wps_build_r_snonce2(wps, plain) ||
+	    wps_build_key_wrap_auth(wps, plain) ||
+	    wps_build_encr_settings(wps, msg, plain) ||
+	    wps_build_wfa_ext(msg, 0, NULL, 0) ||
+	    wps_build_authenticator(wps, msg)) {
+		wpabuf_free(plain);
+		wpabuf_free(msg);
+		return NULL;
+	}
+	wpabuf_free(plain);
+
+	wps->wps_pin_revealed = 1;
+	wps->state = RECV_M7;
+	return msg;
+}
+
+
+static struct wpabuf * wps_build_m8(struct wps_data *wps)
+{
+	struct wpabuf *msg, *plain;
+
+	wpa_printf(MSG_DEBUG, "WPS: Building Message M8");
+
+	plain = wpabuf_alloc(500);
+	if (plain == NULL)
+		return NULL;
+
+	msg = wpabuf_alloc(1000);
+	if (msg == NULL) {
+		wpabuf_free(plain);
+		return NULL;
+	}
+
+	if (wps_build_version(msg) ||
+	    wps_build_msg_type(msg, WPS_M8) ||
+	    wps_build_enrollee_nonce(wps, msg) ||
+	    ((wps->wps->ap || wps->er) && wps_build_cred(wps, plain)) ||
+	    (!wps->wps->ap && !wps->er && wps_build_ap_settings(wps, plain)) ||
+	    wps_build_key_wrap_auth(wps, plain) ||
+	    wps_build_encr_settings(wps, msg, plain) ||
+	    wps_build_wfa_ext(msg, 0, NULL, 0) ||
+	    wps_build_authenticator(wps, msg)) {
+		wpabuf_free(plain);
+		wpabuf_free(msg);
+		return NULL;
+	}
+	wpabuf_free(plain);
+
+	wps->state = RECV_DONE;
+	return msg;
+}
+
+
+struct wpabuf * wps_registrar_get_msg(struct wps_data *wps,
+				      enum wsc_op_code *op_code)
+{
+	struct wpabuf *msg;
+
+#ifdef CONFIG_WPS_UPNP
+	if (!wps->int_reg && wps->wps->wps_upnp) {
+		struct upnp_pending_message *p, *prev = NULL;
+		if (wps->ext_reg > 1)
+			wps_registrar_free_pending_m2(wps->wps);
+		p = wps->wps->upnp_msgs;
+		/* TODO: check pending message MAC address */
+		while (p && p->next) {
+			prev = p;
+			p = p->next;
+		}
+		if (p) {
+			wpa_printf(MSG_DEBUG, "WPS: Use pending message from "
+				   "UPnP");
+			if (prev)
+				prev->next = NULL;
+			else
+				wps->wps->upnp_msgs = NULL;
+			msg = p->msg;
+			switch (p->type) {
+			case WPS_WSC_ACK:
+				*op_code = WSC_ACK;
+				break;
+			case WPS_WSC_NACK:
+				*op_code = WSC_NACK;
+				break;
+			default:
+				*op_code = WSC_MSG;
+				break;
+			}
+			os_free(p);
+			if (wps->ext_reg == 0)
+				wps->ext_reg = 1;
+			return msg;
+		}
+	}
+	if (wps->ext_reg) {
+		wpa_printf(MSG_DEBUG, "WPS: Using external Registrar, but no "
+			   "pending message available");
+		return NULL;
+	}
+#endif /* CONFIG_WPS_UPNP */
+
+	switch (wps->state) {
+	case SEND_M2:
+		if (wps_get_dev_password(wps) < 0)
+			msg = wps_build_m2d(wps);
+		else
+			msg = wps_build_m2(wps);
+		*op_code = WSC_MSG;
+		break;
+	case SEND_M2D:
+		msg = wps_build_m2d(wps);
+		*op_code = WSC_MSG;
+		break;
+	case SEND_M4:
+		msg = wps_build_m4(wps);
+		*op_code = WSC_MSG;
+		break;
+	case SEND_M6:
+		msg = wps_build_m6(wps);
+		*op_code = WSC_MSG;
+		break;
+	case SEND_M8:
+		msg = wps_build_m8(wps);
+		*op_code = WSC_MSG;
+		break;
+	case RECV_DONE:
+		msg = wps_build_wsc_ack(wps);
+		*op_code = WSC_ACK;
+		break;
+	case SEND_WSC_NACK:
+		msg = wps_build_wsc_nack(wps);
+		*op_code = WSC_NACK;
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "WPS: Unsupported state %d for building "
+			   "a message", wps->state);
+		msg = NULL;
+		break;
+	}
+
+	if (*op_code == WSC_MSG && msg) {
+		/* Save a copy of the last message for Authenticator derivation
+		 */
+		wpabuf_free(wps->last_msg);
+		wps->last_msg = wpabuf_dup(msg);
+	}
+
+	return msg;
+}
+
+
+static int wps_process_enrollee_nonce(struct wps_data *wps, const u8 *e_nonce)
+{
+	if (e_nonce == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Enrollee Nonce received");
+		return -1;
+	}
+
+	os_memcpy(wps->nonce_e, e_nonce, WPS_NONCE_LEN);
+	wpa_hexdump(MSG_DEBUG, "WPS: Enrollee Nonce",
+		    wps->nonce_e, WPS_NONCE_LEN);
+
+	return 0;
+}
+
+
+static int wps_process_registrar_nonce(struct wps_data *wps, const u8 *r_nonce)
+{
+	if (r_nonce == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Registrar Nonce received");
+		return -1;
+	}
+
+	if (os_memcmp(wps->nonce_r, r_nonce, WPS_NONCE_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "WPS: Invalid Registrar Nonce received");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int wps_process_uuid_e(struct wps_data *wps, const u8 *uuid_e)
+{
+	if (uuid_e == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No UUID-E received");
+		return -1;
+	}
+
+	os_memcpy(wps->uuid_e, uuid_e, WPS_UUID_LEN);
+	wpa_hexdump(MSG_DEBUG, "WPS: UUID-E", wps->uuid_e, WPS_UUID_LEN);
+
+	return 0;
+}
+
+
+static int wps_process_dev_password_id(struct wps_data *wps, const u8 *pw_id)
+{
+	if (pw_id == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Device Password ID received");
+		return -1;
+	}
+
+	wps->dev_pw_id = WPA_GET_BE16(pw_id);
+	wpa_printf(MSG_DEBUG, "WPS: Device Password ID %d", wps->dev_pw_id);
+
+	return 0;
+}
+
+
+static int wps_process_e_hash1(struct wps_data *wps, const u8 *e_hash1)
+{
+	if (e_hash1 == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No E-Hash1 received");
+		return -1;
+	}
+
+	os_memcpy(wps->peer_hash1, e_hash1, WPS_HASH_LEN);
+	wpa_hexdump(MSG_DEBUG, "WPS: E-Hash1", wps->peer_hash1, WPS_HASH_LEN);
+
+	return 0;
+}
+
+
+static int wps_process_e_hash2(struct wps_data *wps, const u8 *e_hash2)
+{
+	if (e_hash2 == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No E-Hash2 received");
+		return -1;
+	}
+
+	os_memcpy(wps->peer_hash2, e_hash2, WPS_HASH_LEN);
+	wpa_hexdump(MSG_DEBUG, "WPS: E-Hash2", wps->peer_hash2, WPS_HASH_LEN);
+
+	return 0;
+}
+
+
+static int wps_process_e_snonce1(struct wps_data *wps, const u8 *e_snonce1)
+{
+	u8 hash[SHA256_MAC_LEN];
+	const u8 *addr[4];
+	size_t len[4];
+
+	if (e_snonce1 == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No E-SNonce1 received");
+		return -1;
+	}
+
+	wpa_hexdump_key(MSG_DEBUG, "WPS: E-SNonce1", e_snonce1,
+			WPS_SECRET_NONCE_LEN);
+
+	/* E-Hash1 = HMAC_AuthKey(E-S1 || PSK1 || PK_E || PK_R) */
+	addr[0] = e_snonce1;
+	len[0] = WPS_SECRET_NONCE_LEN;
+	addr[1] = wps->psk1;
+	len[1] = WPS_PSK_LEN;
+	addr[2] = wpabuf_head(wps->dh_pubkey_e);
+	len[2] = wpabuf_len(wps->dh_pubkey_e);
+	addr[3] = wpabuf_head(wps->dh_pubkey_r);
+	len[3] = wpabuf_len(wps->dh_pubkey_r);
+	hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash);
+
+	if (os_memcmp(wps->peer_hash1, hash, WPS_HASH_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "WPS: E-Hash1 derived from E-S1 does "
+			   "not match with the pre-committed value");
+		wps->config_error = WPS_CFG_DEV_PASSWORD_AUTH_FAILURE;
+		wps_pwd_auth_fail_event(wps->wps, 0, 1);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS: Enrollee proved knowledge of the first "
+		   "half of the device password");
+
+	return 0;
+}
+
+
+static int wps_process_e_snonce2(struct wps_data *wps, const u8 *e_snonce2)
+{
+	u8 hash[SHA256_MAC_LEN];
+	const u8 *addr[4];
+	size_t len[4];
+
+	if (e_snonce2 == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No E-SNonce2 received");
+		return -1;
+	}
+
+	wpa_hexdump_key(MSG_DEBUG, "WPS: E-SNonce2", e_snonce2,
+			WPS_SECRET_NONCE_LEN);
+
+	/* E-Hash2 = HMAC_AuthKey(E-S2 || PSK2 || PK_E || PK_R) */
+	addr[0] = e_snonce2;
+	len[0] = WPS_SECRET_NONCE_LEN;
+	addr[1] = wps->psk2;
+	len[1] = WPS_PSK_LEN;
+	addr[2] = wpabuf_head(wps->dh_pubkey_e);
+	len[2] = wpabuf_len(wps->dh_pubkey_e);
+	addr[3] = wpabuf_head(wps->dh_pubkey_r);
+	len[3] = wpabuf_len(wps->dh_pubkey_r);
+	hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash);
+
+	if (os_memcmp(wps->peer_hash2, hash, WPS_HASH_LEN) != 0) {
+		wpa_printf(MSG_DEBUG, "WPS: E-Hash2 derived from E-S2 does "
+			   "not match with the pre-committed value");
+		wps_registrar_invalidate_pin(wps->wps->registrar, wps->uuid_e);
+		wps->config_error = WPS_CFG_DEV_PASSWORD_AUTH_FAILURE;
+		wps_pwd_auth_fail_event(wps->wps, 0, 2);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS: Enrollee proved knowledge of the second "
+		   "half of the device password");
+	wps->wps_pin_revealed = 0;
+	wps_registrar_unlock_pin(wps->wps->registrar, wps->uuid_e);
+
+	return 0;
+}
+
+
+static int wps_process_mac_addr(struct wps_data *wps, const u8 *mac_addr)
+{
+	if (mac_addr == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No MAC Address received");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS: Enrollee MAC Address " MACSTR,
+		   MAC2STR(mac_addr));
+	os_memcpy(wps->mac_addr_e, mac_addr, ETH_ALEN);
+	os_memcpy(wps->peer_dev.mac_addr, mac_addr, ETH_ALEN);
+
+	return 0;
+}
+
+
+static int wps_process_pubkey(struct wps_data *wps, const u8 *pk,
+			      size_t pk_len)
+{
+	if (pk == NULL || pk_len == 0) {
+		wpa_printf(MSG_DEBUG, "WPS: No Public Key received");
+		return -1;
+	}
+
+#ifdef CONFIG_WPS_OOB
+	if (wps->wps->oob_conf.pubkey_hash != NULL) {
+		const u8 *addr[1];
+		u8 hash[WPS_HASH_LEN];
+
+		addr[0] = pk;
+		sha256_vector(1, addr, &pk_len, hash);
+		if (os_memcmp(hash,
+			      wpabuf_head(wps->wps->oob_conf.pubkey_hash),
+			      WPS_OOB_PUBKEY_HASH_LEN) != 0) {
+			wpa_printf(MSG_ERROR, "WPS: Public Key hash error");
+			return -1;
+		}
+	}
+#endif /* CONFIG_WPS_OOB */
+
+	wpabuf_free(wps->dh_pubkey_e);
+	wps->dh_pubkey_e = wpabuf_alloc_copy(pk, pk_len);
+	if (wps->dh_pubkey_e == NULL)
+		return -1;
+
+	return 0;
+}
+
+
+static int wps_process_auth_type_flags(struct wps_data *wps, const u8 *auth)
+{
+	u16 auth_types;
+
+	if (auth == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Authentication Type flags "
+			   "received");
+		return -1;
+	}
+
+	auth_types = WPA_GET_BE16(auth);
+
+	wpa_printf(MSG_DEBUG, "WPS: Enrollee Authentication Type flags 0x%x",
+		   auth_types);
+	wps->auth_type = wps->wps->auth_types & auth_types;
+	if (wps->auth_type == 0) {
+		wpa_printf(MSG_DEBUG, "WPS: No match in supported "
+			   "authentication types (own 0x%x Enrollee 0x%x)",
+			   wps->wps->auth_types, auth_types);
+#ifdef WPS_WORKAROUNDS
+		/*
+		 * Some deployed implementations seem to advertise incorrect
+		 * information in this attribute. For example, Linksys WRT350N
+		 * seems to have a byteorder bug that breaks this negotiation.
+		 * In order to interoperate with existing implementations,
+		 * assume that the Enrollee supports everything we do.
+		 */
+		wpa_printf(MSG_DEBUG, "WPS: Workaround - assume Enrollee "
+			   "does not advertise supported authentication types "
+			   "correctly");
+		wps->auth_type = wps->wps->auth_types;
+#else /* WPS_WORKAROUNDS */
+		return -1;
+#endif /* WPS_WORKAROUNDS */
+	}
+
+	return 0;
+}
+
+
+static int wps_process_encr_type_flags(struct wps_data *wps, const u8 *encr)
+{
+	u16 encr_types;
+
+	if (encr == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Encryption Type flags "
+			   "received");
+		return -1;
+	}
+
+	encr_types = WPA_GET_BE16(encr);
+
+	wpa_printf(MSG_DEBUG, "WPS: Enrollee Encryption Type flags 0x%x",
+		   encr_types);
+	wps->encr_type = wps->wps->encr_types & encr_types;
+	if (wps->encr_type == 0) {
+		wpa_printf(MSG_DEBUG, "WPS: No match in supported "
+			   "encryption types (own 0x%x Enrollee 0x%x)",
+			   wps->wps->encr_types, encr_types);
+#ifdef WPS_WORKAROUNDS
+		/*
+		 * Some deployed implementations seem to advertise incorrect
+		 * information in this attribute. For example, Linksys WRT350N
+		 * seems to have a byteorder bug that breaks this negotiation.
+		 * In order to interoperate with existing implementations,
+		 * assume that the Enrollee supports everything we do.
+		 */
+		wpa_printf(MSG_DEBUG, "WPS: Workaround - assume Enrollee "
+			   "does not advertise supported encryption types "
+			   "correctly");
+		wps->encr_type = wps->wps->encr_types;
+#else /* WPS_WORKAROUNDS */
+		return -1;
+#endif /* WPS_WORKAROUNDS */
+	}
+
+	return 0;
+}
+
+
+static int wps_process_conn_type_flags(struct wps_data *wps, const u8 *conn)
+{
+	if (conn == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Connection Type flags "
+			   "received");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS: Enrollee Connection Type flags 0x%x",
+		   *conn);
+
+	return 0;
+}
+
+
+static int wps_process_config_methods(struct wps_data *wps, const u8 *methods)
+{
+	u16 m;
+
+	if (methods == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Config Methods received");
+		return -1;
+	}
+
+	m = WPA_GET_BE16(methods);
+
+	wpa_printf(MSG_DEBUG, "WPS: Enrollee Config Methods 0x%x"
+		   "%s%s%s%s%s%s%s%s%s", m,
+		   m & WPS_CONFIG_USBA ? " [USBA]" : "",
+		   m & WPS_CONFIG_ETHERNET ? " [Ethernet]" : "",
+		   m & WPS_CONFIG_LABEL ? " [Label]" : "",
+		   m & WPS_CONFIG_DISPLAY ? " [Display]" : "",
+		   m & WPS_CONFIG_EXT_NFC_TOKEN ? " [Ext NFC Token]" : "",
+		   m & WPS_CONFIG_INT_NFC_TOKEN ? " [Int NFC Token]" : "",
+		   m & WPS_CONFIG_NFC_INTERFACE ? " [NFC]" : "",
+		   m & WPS_CONFIG_PUSHBUTTON ? " [PBC]" : "",
+		   m & WPS_CONFIG_KEYPAD ? " [Keypad]" : "");
+
+	if (!(m & WPS_CONFIG_DISPLAY) && !wps->use_psk_key) {
+		/*
+		 * The Enrollee does not have a display so it is unlikely to be
+		 * able to show the passphrase to a user and as such, could
+		 * benefit from receiving PSK to reduce key derivation time.
+		 */
+		wpa_printf(MSG_DEBUG, "WPS: Prefer PSK format key due to "
+			   "Enrollee not supporting display");
+		wps->use_psk_key = 1;
+	}
+
+	return 0;
+}
+
+
+static int wps_process_wps_state(struct wps_data *wps, const u8 *state)
+{
+	if (state == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Wi-Fi Protected Setup State "
+			   "received");
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS: Enrollee Wi-Fi Protected Setup State %d",
+		   *state);
+
+	return 0;
+}
+
+
+static int wps_process_assoc_state(struct wps_data *wps, const u8 *assoc)
+{
+	u16 a;
+
+	if (assoc == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Association State received");
+		return -1;
+	}
+
+	a = WPA_GET_BE16(assoc);
+	wpa_printf(MSG_DEBUG, "WPS: Enrollee Association State %d", a);
+
+	return 0;
+}
+
+
+static int wps_process_config_error(struct wps_data *wps, const u8 *err)
+{
+	u16 e;
+
+	if (err == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Configuration Error received");
+		return -1;
+	}
+
+	e = WPA_GET_BE16(err);
+	wpa_printf(MSG_DEBUG, "WPS: Enrollee Configuration Error %d", e);
+
+	return 0;
+}
+
+
+static int wps_registrar_p2p_dev_addr_match(struct wps_data *wps)
+{
+#ifdef CONFIG_P2P
+	struct wps_registrar *reg = wps->wps->registrar;
+
+	if (is_zero_ether_addr(reg->p2p_dev_addr))
+		return 1; /* no filtering in use */
+
+	if (os_memcmp(reg->p2p_dev_addr, wps->p2p_dev_addr, ETH_ALEN) != 0) {
+		wpa_printf(MSG_DEBUG, "WPS: No match on P2P Device Address "
+			   "filtering for PBC: expected " MACSTR " was "
+			   MACSTR " - indicate PBC session overlap",
+			   MAC2STR(reg->p2p_dev_addr),
+			   MAC2STR(wps->p2p_dev_addr));
+		return 0;
+	}
+#endif /* CONFIG_P2P */
+	return 1;
+}
+
+
+static int wps_registrar_skip_overlap(struct wps_data *wps)
+{
+#ifdef CONFIG_P2P
+	struct wps_registrar *reg = wps->wps->registrar;
+
+	if (is_zero_ether_addr(reg->p2p_dev_addr))
+		return 0; /* no specific Enrollee selected */
+
+	if (os_memcmp(reg->p2p_dev_addr, wps->p2p_dev_addr, ETH_ALEN) == 0) {
+		wpa_printf(MSG_DEBUG, "WPS: Skip PBC overlap due to selected "
+			   "Enrollee match");
+		return 1;
+	}
+#endif /* CONFIG_P2P */
+	return 0;
+}
+
+
+static enum wps_process_res wps_process_m1(struct wps_data *wps,
+					   struct wps_parse_attr *attr)
+{
+	wpa_printf(MSG_DEBUG, "WPS: Received M1");
+
+	if (wps->state != RECV_M1) {
+		wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for "
+			   "receiving M1", wps->state);
+		return WPS_FAILURE;
+	}
+
+	if (wps_process_uuid_e(wps, attr->uuid_e) ||
+	    wps_process_mac_addr(wps, attr->mac_addr) ||
+	    wps_process_enrollee_nonce(wps, attr->enrollee_nonce) ||
+	    wps_process_pubkey(wps, attr->public_key, attr->public_key_len) ||
+	    wps_process_auth_type_flags(wps, attr->auth_type_flags) ||
+	    wps_process_encr_type_flags(wps, attr->encr_type_flags) ||
+	    wps_process_conn_type_flags(wps, attr->conn_type_flags) ||
+	    wps_process_config_methods(wps, attr->config_methods) ||
+	    wps_process_wps_state(wps, attr->wps_state) ||
+	    wps_process_device_attrs(&wps->peer_dev, attr) ||
+	    wps_process_rf_bands(&wps->peer_dev, attr->rf_bands) ||
+	    wps_process_assoc_state(wps, attr->assoc_state) ||
+	    wps_process_dev_password_id(wps, attr->dev_password_id) ||
+	    wps_process_config_error(wps, attr->config_error) ||
+	    wps_process_os_version(&wps->peer_dev, attr->os_version))
+		return WPS_FAILURE;
+
+	if (wps->dev_pw_id < 0x10 &&
+	    wps->dev_pw_id != DEV_PW_DEFAULT &&
+	    wps->dev_pw_id != DEV_PW_USER_SPECIFIED &&
+	    wps->dev_pw_id != DEV_PW_MACHINE_SPECIFIED &&
+	    wps->dev_pw_id != DEV_PW_REGISTRAR_SPECIFIED &&
+	    (wps->dev_pw_id != DEV_PW_PUSHBUTTON ||
+	     !wps->wps->registrar->pbc)) {
+		wpa_printf(MSG_DEBUG, "WPS: Unsupported Device Password ID %d",
+			   wps->dev_pw_id);
+		wps->state = SEND_M2D;
+		return WPS_CONTINUE;
+	}
+
+#ifdef CONFIG_WPS_OOB
+	if (wps->dev_pw_id >= 0x10 &&
+	    wps->dev_pw_id != wps->wps->oob_dev_pw_id) {
+		wpa_printf(MSG_DEBUG, "WPS: OOB Device Password ID "
+			   "%d mismatch", wps->dev_pw_id);
+		wps->state = SEND_M2D;
+		return WPS_CONTINUE;
+	}
+#endif /* CONFIG_WPS_OOB */
+
+	if (wps->dev_pw_id == DEV_PW_PUSHBUTTON) {
+		if ((wps->wps->registrar->force_pbc_overlap ||
+		     wps_registrar_pbc_overlap(wps->wps->registrar,
+					       wps->mac_addr_e, wps->uuid_e) ||
+		     !wps_registrar_p2p_dev_addr_match(wps)) &&
+		    !wps_registrar_skip_overlap(wps)) {
+			wpa_printf(MSG_DEBUG, "WPS: PBC overlap - deny PBC "
+				   "negotiation");
+			wps->state = SEND_M2D;
+			wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED;
+			wps_pbc_overlap_event(wps->wps);
+			wps_fail_event(wps->wps, WPS_M1,
+				       WPS_CFG_MULTIPLE_PBC_DETECTED,
+				       WPS_EI_NO_ERROR);
+			wps->wps->registrar->force_pbc_overlap = 1;
+			return WPS_CONTINUE;
+		}
+		wps_registrar_add_pbc_session(wps->wps->registrar,
+					      wps->mac_addr_e, wps->uuid_e);
+		wps->pbc = 1;
+	}
+
+#ifdef WPS_WORKAROUNDS
+	/*
+	 * It looks like Mac OS X 10.6.3 and 10.6.4 do not like Network Key in
+	 * passphrase format. To avoid interop issues, force PSK format to be
+	 * used.
+	 */
+	if (!wps->use_psk_key &&
+	    wps->peer_dev.manufacturer &&
+	    os_strncmp(wps->peer_dev.manufacturer, "Apple ", 6) == 0 &&
+	    wps->peer_dev.model_name &&
+	    os_strcmp(wps->peer_dev.model_name, "AirPort") == 0) {
+		wpa_printf(MSG_DEBUG, "WPS: Workaround - Force Network Key in "
+			   "PSK format");
+		wps->use_psk_key = 1;
+	}
+#endif /* WPS_WORKAROUNDS */
+
+	wps->state = SEND_M2;
+	return WPS_CONTINUE;
+}
+
+
+static enum wps_process_res wps_process_m3(struct wps_data *wps,
+					   const struct wpabuf *msg,
+					   struct wps_parse_attr *attr)
+{
+	wpa_printf(MSG_DEBUG, "WPS: Received M3");
+
+	if (wps->state != RECV_M3) {
+		wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for "
+			   "receiving M3", wps->state);
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	if (wps->pbc && wps->wps->registrar->force_pbc_overlap &&
+	    !wps_registrar_skip_overlap(wps)) {
+		wpa_printf(MSG_DEBUG, "WPS: Reject negotiation due to PBC "
+			   "session overlap");
+		wps->state = SEND_WSC_NACK;
+		wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED;
+		return WPS_CONTINUE;
+	}
+
+	if (wps_process_registrar_nonce(wps, attr->registrar_nonce) ||
+	    wps_process_authenticator(wps, attr->authenticator, msg) ||
+	    wps_process_e_hash1(wps, attr->e_hash1) ||
+	    wps_process_e_hash2(wps, attr->e_hash2)) {
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	wps->state = SEND_M4;
+	return WPS_CONTINUE;
+}
+
+
+static enum wps_process_res wps_process_m5(struct wps_data *wps,
+					   const struct wpabuf *msg,
+					   struct wps_parse_attr *attr)
+{
+	struct wpabuf *decrypted;
+	struct wps_parse_attr eattr;
+
+	wpa_printf(MSG_DEBUG, "WPS: Received M5");
+
+	if (wps->state != RECV_M5) {
+		wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for "
+			   "receiving M5", wps->state);
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	if (wps->pbc && wps->wps->registrar->force_pbc_overlap &&
+	    !wps_registrar_skip_overlap(wps)) {
+		wpa_printf(MSG_DEBUG, "WPS: Reject negotiation due to PBC "
+			   "session overlap");
+		wps->state = SEND_WSC_NACK;
+		wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED;
+		return WPS_CONTINUE;
+	}
+
+	if (wps_process_registrar_nonce(wps, attr->registrar_nonce) ||
+	    wps_process_authenticator(wps, attr->authenticator, msg)) {
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	decrypted = wps_decrypt_encr_settings(wps, attr->encr_settings,
+					      attr->encr_settings_len);
+	if (decrypted == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: Failed to decrypted Encrypted "
+			   "Settings attribute");
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	if (wps_validate_m5_encr(decrypted, attr->version2 != NULL) < 0) {
+		wpabuf_free(decrypted);
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS: Processing decrypted Encrypted Settings "
+		   "attribute");
+	if (wps_parse_msg(decrypted, &eattr) < 0 ||
+	    wps_process_key_wrap_auth(wps, decrypted, eattr.key_wrap_auth) ||
+	    wps_process_e_snonce1(wps, eattr.e_snonce1)) {
+		wpabuf_free(decrypted);
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+	wpabuf_free(decrypted);
+
+	wps->state = SEND_M6;
+	return WPS_CONTINUE;
+}
+
+
+static void wps_sta_cred_cb(struct wps_data *wps)
+{
+	/*
+	 * Update credential to only include a single authentication and
+	 * encryption type in case the AP configuration includes more than one
+	 * option.
+	 */
+	if (wps->cred.auth_type & WPS_AUTH_WPA2PSK)
+		wps->cred.auth_type = WPS_AUTH_WPA2PSK;
+	else if (wps->cred.auth_type & WPS_AUTH_WPAPSK)
+		wps->cred.auth_type = WPS_AUTH_WPAPSK;
+	if (wps->cred.encr_type & WPS_ENCR_AES)
+		wps->cred.encr_type = WPS_ENCR_AES;
+	else if (wps->cred.encr_type & WPS_ENCR_TKIP)
+		wps->cred.encr_type = WPS_ENCR_TKIP;
+	wpa_printf(MSG_DEBUG, "WPS: Update local configuration based on the "
+		   "AP configuration");
+	if (wps->wps->cred_cb)
+		wps->wps->cred_cb(wps->wps->cb_ctx, &wps->cred);
+}
+
+
+static void wps_cred_update(struct wps_credential *dst,
+			    struct wps_credential *src)
+{
+	os_memcpy(dst->ssid, src->ssid, sizeof(dst->ssid));
+	dst->ssid_len = src->ssid_len;
+	dst->auth_type = src->auth_type;
+	dst->encr_type = src->encr_type;
+	dst->key_idx = src->key_idx;
+	os_memcpy(dst->key, src->key, sizeof(dst->key));
+	dst->key_len = src->key_len;
+}
+
+
+static int wps_process_ap_settings_r(struct wps_data *wps,
+				     struct wps_parse_attr *attr)
+{
+	if (wps->wps->ap || wps->er)
+		return 0;
+
+	/* AP Settings Attributes in M7 when Enrollee is an AP */
+	if (wps_process_ap_settings(attr, &wps->cred) < 0)
+		return -1;
+
+	wpa_printf(MSG_INFO, "WPS: Received old AP configuration from AP");
+
+	if (wps->new_ap_settings) {
+		wpa_printf(MSG_INFO, "WPS: Update AP configuration based on "
+			   "new settings");
+		wps_cred_update(&wps->cred, wps->new_ap_settings);
+		return 0;
+	} else {
+		/*
+		 * Use the AP PIN only to receive the current AP settings, not
+		 * to reconfigure the AP.
+		 */
+
+		/*
+		 * Clear selected registrar here since we do not get to
+		 * WSC_Done in this protocol run.
+		 */
+		wps_registrar_pin_completed(wps->wps->registrar);
+
+		if (wps->ap_settings_cb) {
+			wps->ap_settings_cb(wps->ap_settings_cb_ctx,
+					    &wps->cred);
+			return 1;
+		}
+		wps_sta_cred_cb(wps);
+		return 1;
+	}
+}
+
+
+static enum wps_process_res wps_process_m7(struct wps_data *wps,
+					   const struct wpabuf *msg,
+					   struct wps_parse_attr *attr)
+{
+	struct wpabuf *decrypted;
+	struct wps_parse_attr eattr;
+
+	wpa_printf(MSG_DEBUG, "WPS: Received M7");
+
+	if (wps->state != RECV_M7) {
+		wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for "
+			   "receiving M7", wps->state);
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	if (wps->pbc && wps->wps->registrar->force_pbc_overlap &&
+	    !wps_registrar_skip_overlap(wps)) {
+		wpa_printf(MSG_DEBUG, "WPS: Reject negotiation due to PBC "
+			   "session overlap");
+		wps->state = SEND_WSC_NACK;
+		wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED;
+		return WPS_CONTINUE;
+	}
+
+	if (wps_process_registrar_nonce(wps, attr->registrar_nonce) ||
+	    wps_process_authenticator(wps, attr->authenticator, msg)) {
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	decrypted = wps_decrypt_encr_settings(wps, attr->encr_settings,
+					      attr->encr_settings_len);
+	if (decrypted == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: Failed to decrypt Encrypted "
+			   "Settings attribute");
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	if (wps_validate_m7_encr(decrypted, wps->wps->ap || wps->er,
+				 attr->version2 != NULL) < 0) {
+		wpabuf_free(decrypted);
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS: Processing decrypted Encrypted Settings "
+		   "attribute");
+	if (wps_parse_msg(decrypted, &eattr) < 0 ||
+	    wps_process_key_wrap_auth(wps, decrypted, eattr.key_wrap_auth) ||
+	    wps_process_e_snonce2(wps, eattr.e_snonce2) ||
+	    wps_process_ap_settings_r(wps, &eattr)) {
+		wpabuf_free(decrypted);
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	wpabuf_free(decrypted);
+
+	wps->state = SEND_M8;
+	return WPS_CONTINUE;
+}
+
+
+static enum wps_process_res wps_process_wsc_msg(struct wps_data *wps,
+						const struct wpabuf *msg)
+{
+	struct wps_parse_attr attr;
+	enum wps_process_res ret = WPS_CONTINUE;
+
+	wpa_printf(MSG_DEBUG, "WPS: Received WSC_MSG");
+
+	if (wps_parse_msg(msg, &attr) < 0)
+		return WPS_FAILURE;
+
+	if (attr.msg_type == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute");
+		wps->state = SEND_WSC_NACK;
+		return WPS_CONTINUE;
+	}
+
+	if (*attr.msg_type != WPS_M1 &&
+	    (attr.registrar_nonce == NULL ||
+	     os_memcmp(wps->nonce_r, attr.registrar_nonce,
+		       WPS_NONCE_LEN != 0))) {
+		wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce");
+		return WPS_FAILURE;
+	}
+
+	switch (*attr.msg_type) {
+	case WPS_M1:
+		if (wps_validate_m1(msg) < 0)
+			return WPS_FAILURE;
+#ifdef CONFIG_WPS_UPNP
+		if (wps->wps->wps_upnp && attr.mac_addr) {
+			/* Remove old pending messages when starting new run */
+			wps_free_pending_msgs(wps->wps->upnp_msgs);
+			wps->wps->upnp_msgs = NULL;
+
+			upnp_wps_device_send_wlan_event(
+				wps->wps->wps_upnp, attr.mac_addr,
+				UPNP_WPS_WLANEVENT_TYPE_EAP, msg);
+		}
+#endif /* CONFIG_WPS_UPNP */
+		ret = wps_process_m1(wps, &attr);
+		break;
+	case WPS_M3:
+		if (wps_validate_m3(msg) < 0)
+			return WPS_FAILURE;
+		ret = wps_process_m3(wps, msg, &attr);
+		if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK)
+			wps_fail_event(wps->wps, WPS_M3, wps->config_error,
+				       wps->error_indication);
+		break;
+	case WPS_M5:
+		if (wps_validate_m5(msg) < 0)
+			return WPS_FAILURE;
+		ret = wps_process_m5(wps, msg, &attr);
+		if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK)
+			wps_fail_event(wps->wps, WPS_M5, wps->config_error,
+				       wps->error_indication);
+		break;
+	case WPS_M7:
+		if (wps_validate_m7(msg) < 0)
+			return WPS_FAILURE;
+		ret = wps_process_m7(wps, msg, &attr);
+		if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK)
+			wps_fail_event(wps->wps, WPS_M7, wps->config_error,
+				       wps->error_indication);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "WPS: Unsupported Message Type %d",
+			   *attr.msg_type);
+		return WPS_FAILURE;
+	}
+
+	if (ret == WPS_CONTINUE) {
+		/* Save a copy of the last message for Authenticator derivation
+		 */
+		wpabuf_free(wps->last_msg);
+		wps->last_msg = wpabuf_dup(msg);
+	}
+
+	return ret;
+}
+
+
+static enum wps_process_res wps_process_wsc_ack(struct wps_data *wps,
+						const struct wpabuf *msg)
+{
+	struct wps_parse_attr attr;
+
+	wpa_printf(MSG_DEBUG, "WPS: Received WSC_ACK");
+
+	if (wps_parse_msg(msg, &attr) < 0)
+		return WPS_FAILURE;
+
+	if (attr.msg_type == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute");
+		return WPS_FAILURE;
+	}
+
+	if (*attr.msg_type != WPS_WSC_ACK) {
+		wpa_printf(MSG_DEBUG, "WPS: Invalid Message Type %d",
+			   *attr.msg_type);
+		return WPS_FAILURE;
+	}
+
+#ifdef CONFIG_WPS_UPNP
+	if (wps->wps->wps_upnp && wps->ext_reg && wps->state == RECV_M2D_ACK &&
+	    upnp_wps_subscribers(wps->wps->wps_upnp)) {
+		if (wps->wps->upnp_msgs)
+			return WPS_CONTINUE;
+		wpa_printf(MSG_DEBUG, "WPS: Wait for response from an "
+			   "external Registrar");
+		return WPS_PENDING;
+	}
+#endif /* CONFIG_WPS_UPNP */
+
+	if (attr.registrar_nonce == NULL ||
+	    os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN != 0))
+	{
+		wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce");
+		return WPS_FAILURE;
+	}
+
+	if (attr.enrollee_nonce == NULL ||
+	    os_memcmp(wps->nonce_e, attr.enrollee_nonce, WPS_NONCE_LEN != 0)) {
+		wpa_printf(MSG_DEBUG, "WPS: Mismatch in enrollee nonce");
+		return WPS_FAILURE;
+	}
+
+	if (wps->state == RECV_M2D_ACK) {
+#ifdef CONFIG_WPS_UPNP
+		if (wps->wps->wps_upnp &&
+		    upnp_wps_subscribers(wps->wps->wps_upnp)) {
+			if (wps->wps->upnp_msgs)
+				return WPS_CONTINUE;
+			if (wps->ext_reg == 0)
+				wps->ext_reg = 1;
+			wpa_printf(MSG_DEBUG, "WPS: Wait for response from an "
+				   "external Registrar");
+			return WPS_PENDING;
+		}
+#endif /* CONFIG_WPS_UPNP */
+
+		wpa_printf(MSG_DEBUG, "WPS: No more registrars available - "
+			   "terminate negotiation");
+	}
+
+	return WPS_FAILURE;
+}
+
+
+static enum wps_process_res wps_process_wsc_nack(struct wps_data *wps,
+						 const struct wpabuf *msg)
+{
+	struct wps_parse_attr attr;
+	int old_state;
+	u16 config_error;
+
+	wpa_printf(MSG_DEBUG, "WPS: Received WSC_NACK");
+
+	old_state = wps->state;
+	wps->state = SEND_WSC_NACK;
+
+	if (wps_parse_msg(msg, &attr) < 0)
+		return WPS_FAILURE;
+
+	if (attr.msg_type == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute");
+		return WPS_FAILURE;
+	}
+
+	if (*attr.msg_type != WPS_WSC_NACK) {
+		wpa_printf(MSG_DEBUG, "WPS: Invalid Message Type %d",
+			   *attr.msg_type);
+		return WPS_FAILURE;
+	}
+
+#ifdef CONFIG_WPS_UPNP
+	if (wps->wps->wps_upnp && wps->ext_reg) {
+		wpa_printf(MSG_DEBUG, "WPS: Negotiation using external "
+			   "Registrar terminated by the Enrollee");
+		return WPS_FAILURE;
+	}
+#endif /* CONFIG_WPS_UPNP */
+
+	if (attr.registrar_nonce == NULL ||
+	    os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN != 0))
+	{
+		wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce");
+		return WPS_FAILURE;
+	}
+
+	if (attr.enrollee_nonce == NULL ||
+	    os_memcmp(wps->nonce_e, attr.enrollee_nonce, WPS_NONCE_LEN != 0)) {
+		wpa_printf(MSG_DEBUG, "WPS: Mismatch in enrollee nonce");
+		return WPS_FAILURE;
+	}
+
+	if (attr.config_error == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Configuration Error attribute "
+			   "in WSC_NACK");
+		return WPS_FAILURE;
+	}
+
+	config_error = WPA_GET_BE16(attr.config_error);
+	wpa_printf(MSG_DEBUG, "WPS: Enrollee terminated negotiation with "
+		   "Configuration Error %d", config_error);
+
+	switch (old_state) {
+	case RECV_M3:
+		wps_fail_event(wps->wps, WPS_M2, config_error,
+			       wps->error_indication);
+		break;
+	case RECV_M5:
+		wps_fail_event(wps->wps, WPS_M4, config_error,
+			       wps->error_indication);
+		break;
+	case RECV_M7:
+		wps_fail_event(wps->wps, WPS_M6, config_error,
+			       wps->error_indication);
+		break;
+	case RECV_DONE:
+		wps_fail_event(wps->wps, WPS_M8, config_error,
+			       wps->error_indication);
+		break;
+	default:
+		break;
+	}
+
+	return WPS_FAILURE;
+}
+
+
+static enum wps_process_res wps_process_wsc_done(struct wps_data *wps,
+						 const struct wpabuf *msg)
+{
+	struct wps_parse_attr attr;
+
+	wpa_printf(MSG_DEBUG, "WPS: Received WSC_Done");
+
+	if (wps->state != RECV_DONE &&
+	    (!wps->wps->wps_upnp || !wps->ext_reg)) {
+		wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for "
+			   "receiving WSC_Done", wps->state);
+		return WPS_FAILURE;
+	}
+
+	if (wps_parse_msg(msg, &attr) < 0)
+		return WPS_FAILURE;
+
+	if (attr.msg_type == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute");
+		return WPS_FAILURE;
+	}
+
+	if (*attr.msg_type != WPS_WSC_DONE) {
+		wpa_printf(MSG_DEBUG, "WPS: Invalid Message Type %d",
+			   *attr.msg_type);
+		return WPS_FAILURE;
+	}
+
+#ifdef CONFIG_WPS_UPNP
+	if (wps->wps->wps_upnp && wps->ext_reg) {
+		wpa_printf(MSG_DEBUG, "WPS: Negotiation using external "
+			   "Registrar completed successfully");
+		wps_device_store(wps->wps->registrar, &wps->peer_dev,
+				 wps->uuid_e);
+		return WPS_DONE;
+	}
+#endif /* CONFIG_WPS_UPNP */
+
+	if (attr.registrar_nonce == NULL ||
+	    os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN != 0))
+	{
+		wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce");
+		return WPS_FAILURE;
+	}
+
+	if (attr.enrollee_nonce == NULL ||
+	    os_memcmp(wps->nonce_e, attr.enrollee_nonce, WPS_NONCE_LEN != 0)) {
+		wpa_printf(MSG_DEBUG, "WPS: Mismatch in enrollee nonce");
+		return WPS_FAILURE;
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS: Negotiation completed successfully");
+	wps_device_store(wps->wps->registrar, &wps->peer_dev,
+			 wps->uuid_e);
+
+	if (wps->wps->wps_state == WPS_STATE_NOT_CONFIGURED && wps->new_psk &&
+	    wps->wps->ap && !wps->wps->registrar->disable_auto_conf) {
+		struct wps_credential cred;
+
+		wpa_printf(MSG_DEBUG, "WPS: Moving to Configured state based "
+			   "on first Enrollee connection");
+
+		os_memset(&cred, 0, sizeof(cred));
+		os_memcpy(cred.ssid, wps->wps->ssid, wps->wps->ssid_len);
+		cred.ssid_len = wps->wps->ssid_len;
+		cred.auth_type = WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK;
+		cred.encr_type = WPS_ENCR_TKIP | WPS_ENCR_AES;
+		os_memcpy(cred.key, wps->new_psk, wps->new_psk_len);
+		cred.key_len = wps->new_psk_len;
+
+		wps->wps->wps_state = WPS_STATE_CONFIGURED;
+		wpa_hexdump_ascii_key(MSG_DEBUG,
+				      "WPS: Generated random passphrase",
+				      wps->new_psk, wps->new_psk_len);
+		if (wps->wps->cred_cb)
+			wps->wps->cred_cb(wps->wps->cb_ctx, &cred);
+
+		os_free(wps->new_psk);
+		wps->new_psk = NULL;
+	}
+
+	if (!wps->wps->ap && !wps->er)
+		wps_sta_cred_cb(wps);
+
+	if (wps->new_psk) {
+		if (wps_cb_new_psk(wps->wps->registrar, wps->mac_addr_e,
+				   wps->new_psk, wps->new_psk_len)) {
+			wpa_printf(MSG_DEBUG, "WPS: Failed to configure the "
+				   "new PSK");
+		}
+		os_free(wps->new_psk);
+		wps->new_psk = NULL;
+	}
+
+	wps_cb_reg_success(wps->wps->registrar, wps->mac_addr_e, wps->uuid_e);
+
+	if (wps->pbc) {
+		wps_registrar_remove_pbc_session(wps->wps->registrar,
+						 wps->uuid_e);
+		wps_registrar_pbc_completed(wps->wps->registrar);
+	} else {
+		wps_registrar_pin_completed(wps->wps->registrar);
+	}
+	/* TODO: maintain AuthorizedMACs somewhere separately for each ER and
+	 * merge them into APs own list.. */
+
+	wps_success_event(wps->wps);
+
+	return WPS_DONE;
+}
+
+
+enum wps_process_res wps_registrar_process_msg(struct wps_data *wps,
+					       enum wsc_op_code op_code,
+					       const struct wpabuf *msg)
+{
+	enum wps_process_res ret;
+
+	wpa_printf(MSG_DEBUG, "WPS: Processing received message (len=%lu "
+		   "op_code=%d)",
+		   (unsigned long) wpabuf_len(msg), op_code);
+
+#ifdef CONFIG_WPS_UPNP
+	if (wps->wps->wps_upnp && op_code == WSC_MSG && wps->ext_reg == 1) {
+		struct wps_parse_attr attr;
+		if (wps_parse_msg(msg, &attr) == 0 && attr.msg_type &&
+		    *attr.msg_type == WPS_M3)
+			wps->ext_reg = 2; /* past M2/M2D phase */
+	}
+	if (wps->ext_reg > 1)
+		wps_registrar_free_pending_m2(wps->wps);
+	if (wps->wps->wps_upnp && wps->ext_reg &&
+	    wps->wps->upnp_msgs == NULL &&
+	    (op_code == WSC_MSG || op_code == WSC_Done || op_code == WSC_NACK))
+	{
+		struct wps_parse_attr attr;
+		int type;
+		if (wps_parse_msg(msg, &attr) < 0 || attr.msg_type == NULL)
+			type = -1;
+		else
+			type = *attr.msg_type;
+		wpa_printf(MSG_DEBUG, "WPS: Sending received message (type %d)"
+			   " to external Registrar for processing", type);
+		upnp_wps_device_send_wlan_event(wps->wps->wps_upnp,
+						wps->mac_addr_e,
+						UPNP_WPS_WLANEVENT_TYPE_EAP,
+						msg);
+		if (op_code == WSC_MSG)
+			return WPS_PENDING;
+	} else if (wps->wps->wps_upnp && wps->ext_reg && op_code == WSC_MSG) {
+		wpa_printf(MSG_DEBUG, "WPS: Skip internal processing - using "
+			   "external Registrar");
+		return WPS_CONTINUE;
+	}
+#endif /* CONFIG_WPS_UPNP */
+
+	switch (op_code) {
+	case WSC_MSG:
+		return wps_process_wsc_msg(wps, msg);
+	case WSC_ACK:
+		if (wps_validate_wsc_ack(msg) < 0)
+			return WPS_FAILURE;
+		return wps_process_wsc_ack(wps, msg);
+	case WSC_NACK:
+		if (wps_validate_wsc_nack(msg) < 0)
+			return WPS_FAILURE;
+		return wps_process_wsc_nack(wps, msg);
+	case WSC_Done:
+		if (wps_validate_wsc_done(msg) < 0)
+			return WPS_FAILURE;
+		ret = wps_process_wsc_done(wps, msg);
+		if (ret == WPS_FAILURE) {
+			wps->state = SEND_WSC_NACK;
+			wps_fail_event(wps->wps, WPS_WSC_DONE,
+				       wps->config_error,
+				       wps->error_indication);
+		}
+		return ret;
+	default:
+		wpa_printf(MSG_DEBUG, "WPS: Unsupported op_code %d", op_code);
+		return WPS_FAILURE;
+	}
+}
+
+
+int wps_registrar_update_ie(struct wps_registrar *reg)
+{
+	return wps_set_ie(reg);
+}
+
+
+static void wps_registrar_set_selected_timeout(void *eloop_ctx,
+					       void *timeout_ctx)
+{
+	struct wps_registrar *reg = eloop_ctx;
+
+	wpa_printf(MSG_DEBUG, "WPS: Selected Registrar timeout - "
+		   "unselect internal Registrar");
+	reg->selected_registrar = 0;
+	reg->pbc = 0;
+	wps_registrar_selected_registrar_changed(reg);
+}
+
+
+#ifdef CONFIG_WPS_UPNP
+static void wps_registrar_sel_reg_add(struct wps_registrar *reg,
+				      struct subscription *s)
+{
+	int i, j;
+	wpa_printf(MSG_DEBUG, "WPS: External Registrar selected (dev_pw_id=%d "
+		   "config_methods=0x%x)",
+		   s->dev_password_id, s->config_methods);
+	reg->sel_reg_union = 1;
+	if (reg->sel_reg_dev_password_id_override != DEV_PW_PUSHBUTTON)
+		reg->sel_reg_dev_password_id_override = s->dev_password_id;
+	if (reg->sel_reg_config_methods_override == -1)
+		reg->sel_reg_config_methods_override = 0;
+	reg->sel_reg_config_methods_override |= s->config_methods;
+	for (i = 0; i < WPS_MAX_AUTHORIZED_MACS; i++)
+		if (is_zero_ether_addr(reg->authorized_macs_union[i]))
+			break;
+	for (j = 0; i < WPS_MAX_AUTHORIZED_MACS && j < WPS_MAX_AUTHORIZED_MACS;
+	     j++) {
+		if (is_zero_ether_addr(s->authorized_macs[j]))
+			break;
+		wpa_printf(MSG_DEBUG, "WPS: Add authorized MAC into union: "
+			   MACSTR, MAC2STR(s->authorized_macs[j]));
+		os_memcpy(reg->authorized_macs_union[i],
+			  s->authorized_macs[j], ETH_ALEN);
+		i++;
+	}
+	wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs union",
+		    (u8 *) reg->authorized_macs_union,
+		    sizeof(reg->authorized_macs_union));
+}
+#endif /* CONFIG_WPS_UPNP */
+
+
+static void wps_registrar_sel_reg_union(struct wps_registrar *reg)
+{
+#ifdef CONFIG_WPS_UPNP
+	struct subscription *s;
+
+	if (reg->wps->wps_upnp == NULL)
+		return;
+
+	dl_list_for_each(s, &reg->wps->wps_upnp->subscriptions,
+			 struct subscription, list) {
+		struct subscr_addr *sa;
+		sa = dl_list_first(&s->addr_list, struct subscr_addr, list);
+		if (sa) {
+			wpa_printf(MSG_DEBUG, "WPS: External Registrar %s:%d",
+				   inet_ntoa(sa->saddr.sin_addr),
+				   ntohs(sa->saddr.sin_port));
+		}
+		if (s->selected_registrar)
+			wps_registrar_sel_reg_add(reg, s);
+		else
+			wpa_printf(MSG_DEBUG, "WPS: External Registrar not "
+				   "selected");
+	}
+#endif /* CONFIG_WPS_UPNP */
+}
+
+
+/**
+ * wps_registrar_selected_registrar_changed - SetSelectedRegistrar change
+ * @reg: Registrar data from wps_registrar_init()
+ *
+ * This function is called when selected registrar state changes, e.g., when an
+ * AP receives a SetSelectedRegistrar UPnP message.
+ */
+void wps_registrar_selected_registrar_changed(struct wps_registrar *reg)
+{
+	wpa_printf(MSG_DEBUG, "WPS: Selected registrar information changed");
+
+	reg->sel_reg_union = reg->selected_registrar;
+	reg->sel_reg_dev_password_id_override = -1;
+	reg->sel_reg_config_methods_override = -1;
+	os_memcpy(reg->authorized_macs_union, reg->authorized_macs,
+		  WPS_MAX_AUTHORIZED_MACS * ETH_ALEN);
+	wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs union (start with own)",
+		    (u8 *) reg->authorized_macs_union,
+		    sizeof(reg->authorized_macs_union));
+	if (reg->selected_registrar) {
+		u16 methods;
+
+		methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON;
+#ifdef CONFIG_WPS2
+		methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON |
+			     WPS_CONFIG_PHY_PUSHBUTTON);
+#endif /* CONFIG_WPS2 */
+		if (reg->pbc) {
+			reg->sel_reg_dev_password_id_override =
+				DEV_PW_PUSHBUTTON;
+			wps_set_pushbutton(&methods, reg->wps->config_methods);
+		}
+		wpa_printf(MSG_DEBUG, "WPS: Internal Registrar selected "
+			   "(pbc=%d)", reg->pbc);
+		reg->sel_reg_config_methods_override = methods;
+	} else
+		wpa_printf(MSG_DEBUG, "WPS: Internal Registrar not selected");
+
+	wps_registrar_sel_reg_union(reg);
+
+	wps_set_ie(reg);
+	wps_cb_set_sel_reg(reg);
+}
+
+
+int wps_registrar_get_info(struct wps_registrar *reg, const u8 *addr,
+			   char *buf, size_t buflen)
+{
+	struct wps_registrar_device *d;
+	int len = 0, ret;
+	char uuid[40];
+	char devtype[WPS_DEV_TYPE_BUFSIZE];
+
+	d = wps_device_get(reg, addr);
+	if (d == NULL)
+		return 0;
+	if (uuid_bin2str(d->uuid, uuid, sizeof(uuid)))
+		return 0;
+
+	ret = os_snprintf(buf + len, buflen - len,
+			  "wpsUuid=%s\n"
+			  "wpsPrimaryDeviceType=%s\n"
+			  "wpsDeviceName=%s\n"
+			  "wpsManufacturer=%s\n"
+			  "wpsModelName=%s\n"
+			  "wpsModelNumber=%s\n"
+			  "wpsSerialNumber=%s\n",
+			  uuid,
+			  wps_dev_type_bin2str(d->dev.pri_dev_type, devtype,
+					       sizeof(devtype)),
+			  d->dev.device_name ? d->dev.device_name : "",
+			  d->dev.manufacturer ? d->dev.manufacturer : "",
+			  d->dev.model_name ? d->dev.model_name : "",
+			  d->dev.model_number ? d->dev.model_number : "",
+			  d->dev.serial_number ? d->dev.serial_number : "");
+	if (ret < 0 || (size_t) ret >= buflen - len)
+		return len;
+	len += ret;
+
+	return len;
+}
+
+
+int wps_registrar_config_ap(struct wps_registrar *reg,
+			    struct wps_credential *cred)
+{
+#ifdef CONFIG_WPS2
+	printf("encr_type=0x%x\n", cred->encr_type);
+	if (!(cred->encr_type & (WPS_ENCR_NONE | WPS_ENCR_TKIP |
+				 WPS_ENCR_AES))) {
+		if (cred->encr_type & WPS_ENCR_WEP) {
+			wpa_printf(MSG_INFO, "WPS: Reject new AP settings "
+				   "due to WEP configuration");
+			return -1;
+		}
+
+		wpa_printf(MSG_INFO, "WPS: Reject new AP settings due to "
+			   "invalid encr_type 0x%x", cred->encr_type);
+		return -1;
+	}
+
+	if ((cred->encr_type & (WPS_ENCR_TKIP | WPS_ENCR_AES)) ==
+	    WPS_ENCR_TKIP) {
+		wpa_printf(MSG_DEBUG, "WPS: Upgrade encr_type TKIP -> "
+			   "TKIP+AES");
+		cred->encr_type |= WPS_ENCR_AES;
+	}
+
+	if ((cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) ==
+	    WPS_AUTH_WPAPSK) {
+		wpa_printf(MSG_DEBUG, "WPS: Upgrade auth_type WPAPSK -> "
+			   "WPAPSK+WPA2PSK");
+		cred->auth_type |= WPS_AUTH_WPA2PSK;
+	}
+#endif /* CONFIG_WPS2 */
+
+	if (reg->wps->cred_cb)
+		return reg->wps->cred_cb(reg->wps->cb_ctx, cred);
+
+	return -1;
+}
diff --git a/src/wps/wps_ufd.c b/src/wps/wps_ufd.c
new file mode 100644
index 0000000..1a911e1
--- /dev/null
+++ b/src/wps/wps_ufd.c
@@ -0,0 +1,235 @@
+/*
+ * UFD routines for Wi-Fi Protected Setup
+ * Copyright (c) 2009, Masashi Honma <honma@ictec.co.jp>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include "common.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <fcntl.h>
+#include <dirent.h>
+
+#include "wps/wps.h"
+#include "wps/wps_i.h"
+
+#ifdef CONFIG_NATIVE_WINDOWS
+#define UFD_DIR1 "%s\\SMRTNTKY"
+#define UFD_DIR2 UFD_DIR1 "\\WFAWSC"
+#define UFD_FILE UFD_DIR2 "\\%s"
+#else /* CONFIG_NATIVE_WINDOWS */
+#define UFD_DIR1 "%s/SMRTNTKY"
+#define UFD_DIR2 UFD_DIR1 "/WFAWSC"
+#define UFD_FILE UFD_DIR2 "/%s"
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+
+struct wps_ufd_data {
+	int ufd_fd;
+};
+
+
+static int dev_pwd_e_file_filter(const struct dirent *entry)
+{
+	unsigned int prefix;
+	char ext[5];
+
+	if (sscanf(entry->d_name, "%8x.%4s", &prefix, ext) != 2)
+		return 0;
+	if (prefix == 0)
+		return 0;
+	if (os_strcasecmp(ext, "WFA") != 0)
+		return 0;
+
+	return 1;
+}
+
+
+static int wps_get_dev_pwd_e_file_name(char *path, char *file_name)
+{
+	struct dirent **namelist;
+	int i, file_num;
+
+	file_num = scandir(path, &namelist, &dev_pwd_e_file_filter,
+			   alphasort);
+	if (file_num < 0) {
+		wpa_printf(MSG_ERROR, "WPS: OOB file not found: %d (%s)",
+			   errno, strerror(errno));
+		return -1;
+	}
+	if (file_num == 0) {
+		wpa_printf(MSG_ERROR, "WPS: OOB file not found");
+		os_free(namelist);
+		return -1;
+	}
+	os_strlcpy(file_name, namelist[0]->d_name, 13);
+	for (i = 0; i < file_num; i++)
+		os_free(namelist[i]);
+	os_free(namelist);
+	return 0;
+}
+
+
+static int get_file_name(struct wps_context *wps, int registrar,
+			 const char *path, char *file_name)
+{
+	switch (wps->oob_conf.oob_method) {
+	case OOB_METHOD_CRED:
+		os_snprintf(file_name, 13, "00000000.WSC");
+		break;
+	case OOB_METHOD_DEV_PWD_E:
+		if (registrar) {
+			char temp[128];
+			os_snprintf(temp, sizeof(temp), UFD_DIR2, path);
+			if (wps_get_dev_pwd_e_file_name(temp, file_name) < 0)
+				return -1;
+		} else {
+			u8 *mac_addr = wps->dev.mac_addr;
+
+			os_snprintf(file_name, 13, "%02X%02X%02X%02X.WFA",
+				    mac_addr[2], mac_addr[3], mac_addr[4],
+				    mac_addr[5]);
+		}
+		break;
+	case OOB_METHOD_DEV_PWD_R:
+		os_snprintf(file_name, 13, "00000000.WFA");
+		break;
+	default:
+		wpa_printf(MSG_ERROR, "WPS: Invalid USBA OOB method");
+		return -1;
+	}
+	return 0;
+}
+
+
+static int ufd_mkdir(const char *path)
+{
+	if (mkdir(path, S_IRWXU) < 0 && errno != EEXIST) {
+		wpa_printf(MSG_ERROR, "WPS (UFD): Failed to create directory "
+			   "'%s': %d (%s)", path, errno, strerror(errno));
+		return -1;
+	}
+	return 0;
+}
+
+
+static void * init_ufd(struct wps_context *wps,
+		       struct oob_device_data *oob_dev, int registrar)
+{
+	int write_f;
+	char temp[128];
+	char *path = oob_dev->device_path;
+	char filename[13];
+	struct wps_ufd_data *data;
+	int ufd_fd;
+
+	if (path == NULL)
+		return NULL;
+
+	write_f = wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E ?
+		!registrar : registrar;
+
+	if (get_file_name(wps, registrar, path, filename) < 0) {
+		wpa_printf(MSG_ERROR, "WPS (UFD): Failed to get file name");
+		return NULL;
+	}
+
+	if (write_f) {
+		os_snprintf(temp, sizeof(temp), UFD_DIR1, path);
+		if (ufd_mkdir(temp))
+			return NULL;
+		os_snprintf(temp, sizeof(temp), UFD_DIR2, path);
+		if (ufd_mkdir(temp))
+			return NULL;
+	}
+
+	os_snprintf(temp, sizeof(temp), UFD_FILE, path, filename);
+	if (write_f)
+		ufd_fd = open(temp, O_WRONLY | O_CREAT | O_TRUNC,
+			      S_IRUSR | S_IWUSR);
+	else
+		ufd_fd = open(temp, O_RDONLY);
+	if (ufd_fd < 0) {
+		wpa_printf(MSG_ERROR, "WPS (UFD): Failed to open %s: %s",
+			   temp, strerror(errno));
+		return NULL;
+	}
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->ufd_fd = ufd_fd;
+	return data;
+}
+
+
+static struct wpabuf * read_ufd(void *priv)
+{
+	struct wps_ufd_data *data = priv;
+	struct wpabuf *buf;
+	struct stat s;
+	size_t file_size;
+
+	if (fstat(data->ufd_fd, &s) < 0) {
+		wpa_printf(MSG_ERROR, "WPS (UFD): Failed to get file size");
+		return NULL;
+	}
+
+	file_size = s.st_size;
+	buf = wpabuf_alloc(file_size);
+	if (buf == NULL) {
+		wpa_printf(MSG_ERROR, "WPS (UFD): Failed to alloc read "
+			   "buffer");
+		return NULL;
+	}
+
+	if (read(data->ufd_fd, wpabuf_mhead(buf), file_size) !=
+	    (int) file_size) {
+		wpabuf_free(buf);
+		wpa_printf(MSG_ERROR, "WPS (UFD): Failed to read");
+		return NULL;
+	}
+	wpabuf_put(buf, file_size);
+	return buf;
+}
+
+
+static int write_ufd(void *priv, struct wpabuf *buf)
+{
+	struct wps_ufd_data *data = priv;
+
+	if (write(data->ufd_fd, wpabuf_mhead(buf), wpabuf_len(buf)) !=
+	    (int) wpabuf_len(buf)) {
+		wpa_printf(MSG_ERROR, "WPS (UFD): Failed to write");
+		return -1;
+	}
+	return 0;
+}
+
+
+static void deinit_ufd(void *priv)
+{
+	struct wps_ufd_data *data = priv;
+	close(data->ufd_fd);
+	os_free(data);
+}
+
+
+struct oob_device_data oob_ufd_device_data = {
+	.device_name	= NULL,
+	.device_path	= NULL,
+	.init_func	= init_ufd,
+	.read_func	= read_ufd,
+	.write_func	= write_ufd,
+	.deinit_func	= deinit_ufd,
+};
diff --git a/src/wps/wps_upnp.c b/src/wps/wps_upnp.c
new file mode 100644
index 0000000..763dcaf
--- /dev/null
+++ b/src/wps/wps_upnp.c
@@ -0,0 +1,1210 @@
+/*
+ * UPnP WPS Device
+ * Copyright (c) 2000-2003 Intel Corporation
+ * Copyright (c) 2006-2007 Sony Corporation
+ * Copyright (c) 2008-2009 Atheros Communications
+ * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
+ *
+ * See below for more details on licensing and code history.
+ */
+
+/*
+ * This has been greatly stripped down from the original file
+ * (upnp_wps_device.c) by Ted Merrill, Atheros Communications
+ * in order to eliminate use of the bulky libupnp library etc.
+ *
+ * History:
+ * upnp_wps_device.c is/was a shim layer between wps_opt_upnp.c and
+ * the libupnp library.
+ * The layering (by Sony) was well done; only a very minor modification
+ * to API of upnp_wps_device.c was required.
+ * libupnp was found to be undesirable because:
+ * -- It consumed too much code and data space
+ * -- It uses multiple threads, making debugging more difficult
+ *      and possibly reducing reliability.
+ * -- It uses static variables and only supports one instance.
+ * The shim and libupnp are here replaced by special code written
+ * specifically for the needs of hostapd.
+ * Various shortcuts can and are taken to keep the code size small.
+ * Generally, execution time is not as crucial.
+ *
+ * BUGS:
+ * -- UPnP requires that we be able to resolve domain names.
+ * While uncommon, if we have to do it then it will stall the entire
+ * hostapd program, which is bad.
+ * This is because we use the standard linux getaddrinfo() function
+ * which is syncronous.
+ * An asyncronous solution would be to use the free "ares" library.
+ * -- Does not have a robust output buffering scheme.  Uses a single
+ * fixed size output buffer per TCP/HTTP connection, with possible (although
+ * unlikely) possibility of overflow and likely excessive use of RAM.
+ * A better solution would be to write the HTTP output as a buffered stream,
+ * using chunking: (handle header specially, then) generate data with
+ * a printf-like function into a buffer, catching buffer full condition,
+ * then send it out surrounded by http chunking.
+ * -- There is some code that could be separated out into the common
+ * library to be shared with wpa_supplicant.
+ * -- Needs renaming with module prefix to avoid polluting the debugger
+ * namespace and causing possible collisions with other static fncs
+ * and structure declarations when using the debugger.
+ * -- The http error code generation is pretty bogus, hopefully noone cares.
+ *
+ * Author: Ted Merrill, Atheros Communications, based upon earlier work
+ * as explained above and below.
+ *
+ * Copyright:
+ * Copyright 2008 Atheros Communications.
+ *
+ * The original header (of upnp_wps_device.c) reads:
+ *
+ *  Copyright (c) 2006-2007 Sony Corporation. All Rights Reserved.
+ *
+ *  File Name: upnp_wps_device.c
+ *  Description: EAP-WPS UPnP device source
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Sony Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Portions from Intel libupnp files, e.g. genlib/net/http/httpreadwrite.c
+ * typical header:
+ *
+ * Copyright (c) 2000-2003 Intel Corporation
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * * Neither name of Intel Corporation nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/*
+ * Overview of WPS over UPnP:
+ *
+ * UPnP is a protocol that allows devices to discover each other and control
+ * each other. In UPnP terminology, a device is either a "device" (a server
+ * that provides information about itself and allows itself to be controlled)
+ * or a "control point" (a client that controls "devices") or possibly both.
+ * This file implements a UPnP "device".
+ *
+ * For us, we use mostly basic UPnP discovery, but the control part of interest
+ * is WPS carried via UPnP messages. There is quite a bit of basic UPnP
+ * discovery to do before we can get to WPS, however.
+ *
+ * UPnP discovery begins with "devices" send out multicast UDP packets to a
+ * certain fixed multicast IP address and port, and "control points" sending
+ * out other such UDP packets.
+ *
+ * The packets sent by devices are NOTIFY packets (not to be confused with TCP
+ * NOTIFY packets that are used later) and those sent by control points are
+ * M-SEARCH packets. These packets contain a simple HTTP style header. The
+ * packets are sent redundantly to get around packet loss. Devices respond to
+ * M-SEARCH packets with HTTP-like UDP packets containing HTTP/1.1 200 OK
+ * messages, which give similar information as the UDP NOTIFY packets.
+ *
+ * The above UDP packets advertise the (arbitrary) TCP ports that the
+ * respective parties will listen to. The control point can then do a HTTP
+ * SUBSCRIBE (something like an HTTP PUT) after which the device can do a
+ * separate HTTP NOTIFY (also like an HTTP PUT) to do event messaging.
+ *
+ * The control point will also do HTTP GET of the "device file" listed in the
+ * original UDP information from the device (see UPNP_WPS_DEVICE_XML_FILE
+ * data), and based on this will do additional GETs... HTTP POSTs are done to
+ * cause an action.
+ *
+ * Beyond some basic information in HTTP headers, additional information is in
+ * the HTTP bodies, in a format set by the SOAP and XML standards, a markup
+ * language related to HTML used for web pages. This language is intended to
+ * provide the ultimate in self-documentation by providing a universal
+ * namespace based on pseudo-URLs called URIs. Note that although a URI looks
+ * like a URL (a web address), they are never accessed as such but are used
+ * only as identifiers.
+ *
+ * The POST of a GetDeviceInfo gets information similar to what might be
+ * obtained from a probe request or response on Wi-Fi. WPS messages M1-M8
+ * are passed via a POST of a PutMessage; the M1-M8 WPS messages are converted
+ * to a bin64 ascii representation for encapsulation. When proxying messages,
+ * WLANEvent and PutWLANResponse are used.
+ *
+ * This of course glosses over a lot of details.
+ */
+
+#include "includes.h"
+
+#include <assert.h>
+#include <net/if.h>
+#include <netdb.h>
+#include <sys/ioctl.h>
+
+#include "common.h"
+#include "uuid.h"
+#include "base64.h"
+#include "wps.h"
+#include "wps_i.h"
+#include "wps_upnp.h"
+#include "wps_upnp_i.h"
+
+
+/*
+ * UPnP allows a client ("control point") to send a server like us ("device")
+ * a domain name for registration, and we are supposed to resolve it. This is
+ * bad because, using the standard Linux library, we will stall the entire
+ * hostapd waiting for resolution.
+ *
+ * The "correct" solution would be to use an event driven library for domain
+ * name resolution such as "ares". However, this would increase code size
+ * further. Since it is unlikely that we'll actually see such domain names, we
+ * can just refuse to accept them.
+ */
+#define NO_DOMAIN_NAME_RESOLUTION 1  /* 1 to allow only dotted ip addresses */
+
+
+/*
+ * UPnP does not scale well. If we were in a room with thousands of control
+ * points then potentially we could be expected to handle subscriptions for
+ * each of them, which would exhaust our memory. So we must set a limit. In
+ * practice we are unlikely to see more than one or two.
+ */
+#define MAX_SUBSCRIPTIONS 4    /* how many subscribing clients we handle */
+#define MAX_ADDR_PER_SUBSCRIPTION 8
+
+/* Maximum number of Probe Request events per second */
+#define MAX_EVENTS_PER_SEC 5
+
+
+static struct upnp_wps_device_sm *shared_upnp_device = NULL;
+
+
+/* Write the current date/time per RFC */
+void format_date(struct wpabuf *buf)
+{
+	const char *weekday_str = "Sun\0Mon\0Tue\0Wed\0Thu\0Fri\0Sat";
+	const char *month_str = "Jan\0Feb\0Mar\0Apr\0May\0Jun\0"
+		"Jul\0Aug\0Sep\0Oct\0Nov\0Dec";
+	struct tm *date;
+	time_t t;
+
+	t = time(NULL);
+	date = gmtime(&t);
+	wpabuf_printf(buf, "%s, %02d %s %d %02d:%02d:%02d GMT",
+		      &weekday_str[date->tm_wday * 4], date->tm_mday,
+		      &month_str[date->tm_mon * 4], date->tm_year + 1900,
+		      date->tm_hour, date->tm_min, date->tm_sec);
+}
+
+
+/***************************************************************************
+ * UUIDs (unique identifiers)
+ *
+ * These are supposed to be unique in all the world.
+ * Sometimes permanent ones are used, sometimes temporary ones
+ * based on random numbers... there are different rules for valid content
+ * of different types.
+ * Each uuid is 16 bytes long.
+ **************************************************************************/
+
+/* uuid_make -- construct a random UUID
+ * The UPnP documents don't seem to offer any guidelines as to which method to
+ * use for constructing UUIDs for subscriptions. Presumably any method from
+ * rfc4122 is good enough; I've chosen random number method.
+ */
+static void uuid_make(u8 uuid[UUID_LEN])
+{
+	os_get_random(uuid, UUID_LEN);
+
+	/* Replace certain bits as specified in rfc4122 or X.667 */
+	uuid[6] &= 0x0f; uuid[6] |= (4 << 4);   /* version 4 == random gen */
+	uuid[8] &= 0x3f; uuid[8] |= 0x80;
+}
+
+
+/*
+ * Subscriber address handling.
+ * Since a subscriber may have an arbitrary number of addresses, we have to
+ * add a bunch of code to handle them.
+ *
+ * Addresses are passed in text, and MAY be domain names instead of the (usual
+ * and expected) dotted IP addresses. Resolving domain names consumes a lot of
+ * resources. Worse, we are currently using the standard Linux getaddrinfo()
+ * which will block the entire program until complete or timeout! The proper
+ * solution would be to use the "ares" library or similar with more state
+ * machine steps etc. or just disable domain name resolution by setting
+ * NO_DOMAIN_NAME_RESOLUTION to 1 at top of this file.
+ */
+
+/* subscr_addr_delete -- delete single unlinked subscriber address
+ * (be sure to unlink first if need be)
+ */
+void subscr_addr_delete(struct subscr_addr *a)
+{
+	/*
+	 * Note: do NOT free domain_and_port or path because they point to
+	 * memory within the allocation of "a".
+	 */
+	os_free(a);
+}
+
+
+/* subscr_addr_free_all -- unlink and delete list of subscriber addresses. */
+static void subscr_addr_free_all(struct subscription *s)
+{
+	struct subscr_addr *a, *tmp;
+	dl_list_for_each_safe(a, tmp, &s->addr_list, struct subscr_addr, list)
+	{
+		dl_list_del(&a->list);
+		subscr_addr_delete(a);
+	}
+}
+
+
+/* subscr_addr_add_url -- add address(es) for one url to subscription */
+static void subscr_addr_add_url(struct subscription *s, const char *url,
+				size_t url_len)
+{
+	int alloc_len;
+	char *scratch_mem = NULL;
+	char *mem;
+	char *domain_and_port;
+	char *delim;
+	char *path;
+	char *domain;
+	int port = 80;  /* port to send to (default is port 80) */
+	struct addrinfo hints;
+	struct addrinfo *result = NULL;
+	struct addrinfo *rp;
+	int rerr;
+
+	/* url MUST begin with http: */
+	if (url_len < 7 || os_strncasecmp(url, "http://", 7))
+		goto fail;
+	url += 7;
+	url_len -= 7;
+
+	/* allocate memory for the extra stuff we need */
+	alloc_len = 2 * (url_len + 1);
+	scratch_mem = os_zalloc(alloc_len);
+	if (scratch_mem == NULL)
+		goto fail;
+	mem = scratch_mem;
+	os_strncpy(mem, url, url_len);
+	wpa_printf(MSG_DEBUG, "WPS UPnP: Adding URL '%s'", mem);
+	domain_and_port = mem;
+	mem += 1 + os_strlen(mem);
+	delim = os_strchr(domain_and_port, '/');
+	if (delim) {
+		*delim++ = 0;   /* null terminate domain and port */
+		path = delim;
+	} else {
+		path = domain_and_port + os_strlen(domain_and_port);
+	}
+	domain = mem;
+	strcpy(domain, domain_and_port);
+	delim = os_strchr(domain, ':');
+	if (delim) {
+		*delim++ = 0;   /* null terminate domain */
+		if (isdigit(*delim))
+			port = atol(delim);
+	}
+
+	/*
+	 * getaddrinfo does the right thing with dotted decimal notations, or
+	 * will resolve domain names. Resolving domain names will unfortunately
+	 * hang the entire program until it is resolved or it times out
+	 * internal to getaddrinfo; fortunately we think that the use of actual
+	 * domain names (vs. dotted decimal notations) should be uncommon.
+	 */
+	os_memset(&hints, 0, sizeof(struct addrinfo));
+	hints.ai_family = AF_INET;      /* IPv4 */
+	hints.ai_socktype = SOCK_STREAM;
+#if NO_DOMAIN_NAME_RESOLUTION
+	/* Suppress domain name resolutions that would halt
+	 * the program for periods of time
+	 */
+	hints.ai_flags = AI_NUMERICHOST;
+#else
+	/* Allow domain name resolution. */
+	hints.ai_flags = 0;
+#endif
+	hints.ai_protocol = 0;          /* Any protocol? */
+	rerr = getaddrinfo(domain, NULL /* fill in port ourselves */,
+			   &hints, &result);
+	if (rerr) {
+		wpa_printf(MSG_INFO, "WPS UPnP: Resolve error %d (%s) on: %s",
+			   rerr, gai_strerror(rerr), domain);
+		goto fail;
+	}
+	for (rp = result; rp; rp = rp->ai_next) {
+		struct subscr_addr *a;
+
+		/* Limit no. of address to avoid denial of service attack */
+		if (dl_list_len(&s->addr_list) >= MAX_ADDR_PER_SUBSCRIPTION) {
+			wpa_printf(MSG_INFO, "WPS UPnP: subscr_addr_add_url: "
+				   "Ignoring excessive addresses");
+			break;
+		}
+
+		a = os_zalloc(sizeof(*a) + alloc_len);
+		if (a == NULL)
+			continue;
+		mem = (void *) (a + 1);
+		a->domain_and_port = mem;
+		strcpy(mem, domain_and_port);
+		mem += 1 + strlen(mem);
+		a->path = mem;
+		if (path[0] != '/')
+			*mem++ = '/';
+		strcpy(mem, path);
+		mem += 1 + os_strlen(mem);
+		os_memcpy(&a->saddr, rp->ai_addr, sizeof(a->saddr));
+		a->saddr.sin_port = htons(port);
+
+		dl_list_add(&s->addr_list, &a->list);
+	}
+
+fail:
+	if (result)
+		freeaddrinfo(result);
+	os_free(scratch_mem);
+}
+
+
+/* subscr_addr_list_create -- create list from urls in string.
+ *      Each url is enclosed by angle brackets.
+ */
+static void subscr_addr_list_create(struct subscription *s,
+				    const char *url_list)
+{
+	const char *end;
+	wpa_printf(MSG_DEBUG, "WPS UPnP: Parsing URL list '%s'", url_list);
+	for (;;) {
+		while (*url_list == ' ' || *url_list == '\t')
+			url_list++;
+		if (*url_list != '<')
+			break;
+		url_list++;
+		end = os_strchr(url_list, '>');
+		if (end == NULL)
+			break;
+		subscr_addr_add_url(s, url_list, end - url_list);
+		url_list = end + 1;
+	}
+}
+
+
+int send_wpabuf(int fd, struct wpabuf *buf)
+{
+	wpa_printf(MSG_DEBUG, "WPS UPnP: Send %lu byte message",
+		   (unsigned long) wpabuf_len(buf));
+	errno = 0;
+	if (write(fd, wpabuf_head(buf), wpabuf_len(buf)) !=
+	    (int) wpabuf_len(buf)) {
+		wpa_printf(MSG_ERROR, "WPS UPnP: Failed to send buffer: "
+			   "errno=%d (%s)",
+			   errno, strerror(errno));
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static void wpabuf_put_property(struct wpabuf *buf, const char *name,
+				const char *value)
+{
+	wpabuf_put_str(buf, "<e:property>");
+	wpabuf_printf(buf, "<%s>", name);
+	if (value)
+		wpabuf_put_str(buf, value);
+	wpabuf_printf(buf, "</%s>", name);
+	wpabuf_put_str(buf, "</e:property>\n");
+}
+
+
+/**
+ * upnp_wps_device_send_event - Queue event messages for subscribers
+ * @sm: WPS UPnP state machine from upnp_wps_device_init()
+ *
+ * This function queues the last WLANEvent to be sent for all currently
+ * subscribed UPnP control points. sm->wlanevent must have been set with the
+ * encoded data before calling this function.
+ */
+static void upnp_wps_device_send_event(struct upnp_wps_device_sm *sm)
+{
+	/* Enqueue event message for all subscribers */
+	struct wpabuf *buf; /* holds event message */
+	int buf_size = 0;
+	struct subscription *s, *tmp;
+	/* Actually, utf-8 is the default, but it doesn't hurt to specify it */
+	const char *format_head =
+		"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
+		"<e:propertyset xmlns:e=\"urn:schemas-upnp-org:event-1-0\">\n";
+	const char *format_tail = "</e:propertyset>\n";
+	struct os_time now;
+
+	if (dl_list_empty(&sm->subscriptions)) {
+		/* optimize */
+		return;
+	}
+
+	if (os_get_time(&now) == 0) {
+		if (now.sec != sm->last_event_sec) {
+			sm->last_event_sec = now.sec;
+			sm->num_events_in_sec = 1;
+		} else {
+			sm->num_events_in_sec++;
+			/*
+			 * In theory, this should apply to all WLANEvent
+			 * notifications, but EAP messages are of much higher
+			 * priority and Probe Request notifications should not
+			 * be allowed to drop EAP messages, so only throttle
+			 * Probe Request notifications.
+			 */
+			if (sm->num_events_in_sec > MAX_EVENTS_PER_SEC &&
+			    sm->wlanevent_type ==
+			    UPNP_WPS_WLANEVENT_TYPE_PROBE) {
+				wpa_printf(MSG_DEBUG, "WPS UPnP: Throttle "
+					   "event notifications (%u seen "
+					   "during one second)",
+					   sm->num_events_in_sec);
+				return;
+			}
+		}
+	}
+
+	/* Determine buffer size needed first */
+	buf_size += os_strlen(format_head);
+	buf_size += 50 + 2 * os_strlen("WLANEvent");
+	if (sm->wlanevent)
+		buf_size += os_strlen(sm->wlanevent);
+	buf_size += os_strlen(format_tail);
+
+	buf = wpabuf_alloc(buf_size);
+	if (buf == NULL)
+		return;
+	wpabuf_put_str(buf, format_head);
+	wpabuf_put_property(buf, "WLANEvent", sm->wlanevent);
+	wpabuf_put_str(buf, format_tail);
+
+	wpa_printf(MSG_MSGDUMP, "WPS UPnP: WLANEvent message:\n%s",
+		   (char *) wpabuf_head(buf));
+
+	dl_list_for_each_safe(s, tmp, &sm->subscriptions, struct subscription,
+			      list) {
+		event_add(s, buf,
+			  sm->wlanevent_type == UPNP_WPS_WLANEVENT_TYPE_PROBE);
+	}
+
+	wpabuf_free(buf);
+}
+
+
+/*
+ * Event subscription (subscriber machines register with us to receive event
+ * messages).
+ * This is the result of an incoming HTTP over TCP SUBSCRIBE request.
+ */
+
+/* subscription_destroy -- destroy an unlinked subscription
+ * Be sure to unlink first if necessary.
+ */
+void subscription_destroy(struct subscription *s)
+{
+	wpa_printf(MSG_DEBUG, "WPS UPnP: Destroy subscription %p", s);
+	subscr_addr_free_all(s);
+	event_delete_all(s);
+	upnp_er_remove_notification(s);
+	os_free(s);
+}
+
+
+/* subscription_list_age -- remove expired subscriptions */
+static void subscription_list_age(struct upnp_wps_device_sm *sm, time_t now)
+{
+	struct subscription *s, *tmp;
+	dl_list_for_each_safe(s, tmp, &sm->subscriptions,
+			      struct subscription, list) {
+		if (s->timeout_time > now)
+			break;
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Removing aged subscription");
+		dl_list_del(&s->list);
+		subscription_destroy(s);
+	}
+}
+
+
+/* subscription_find -- return existing subscription matching uuid, if any
+ * returns NULL if not found
+ */
+struct subscription * subscription_find(struct upnp_wps_device_sm *sm,
+					const u8 uuid[UUID_LEN])
+{
+	struct subscription *s;
+	dl_list_for_each(s, &sm->subscriptions, struct subscription, list) {
+		if (os_memcmp(s->uuid, uuid, UUID_LEN) == 0)
+			return s; /* Found match */
+	}
+	return NULL;
+}
+
+
+static struct wpabuf * build_fake_wsc_ack(void)
+{
+	struct wpabuf *msg = wpabuf_alloc(100);
+	if (msg == NULL)
+		return NULL;
+	wpabuf_put_u8(msg, UPNP_WPS_WLANEVENT_TYPE_EAP);
+	wpabuf_put_str(msg, "00:00:00:00:00:00");
+	if (wps_build_version(msg) ||
+	    wps_build_msg_type(msg, WPS_WSC_ACK)) {
+		wpabuf_free(msg);
+		return NULL;
+	}
+	/* Enrollee Nonce */
+	wpabuf_put_be16(msg, ATTR_ENROLLEE_NONCE);
+	wpabuf_put_be16(msg, WPS_NONCE_LEN);
+	wpabuf_put(msg, WPS_NONCE_LEN);
+	/* Registrar Nonce */
+	wpabuf_put_be16(msg, ATTR_REGISTRAR_NONCE);
+	wpabuf_put_be16(msg, WPS_NONCE_LEN);
+	wpabuf_put(msg, WPS_NONCE_LEN);
+	wps_build_wfa_ext(msg, 0, NULL, 0);
+	return msg;
+}
+
+
+/* subscription_first_event -- send format/queue event that is automatically
+ * sent on a new subscription.
+ */
+static int subscription_first_event(struct subscription *s)
+{
+	/*
+	 * Actually, utf-8 is the default, but it doesn't hurt to specify it.
+	 *
+	 * APStatus is apparently a bit set,
+	 * 0x1 = configuration change (but is always set?)
+	 * 0x10 = ap is locked
+	 *
+	 * Per UPnP spec, we send out the last value of each variable, even
+	 * for WLANEvent, whatever it was.
+	 */
+	char *wlan_event;
+	struct wpabuf *buf;
+	int ap_status = 1;      /* TODO: add 0x10 if access point is locked */
+	const char *head =
+		"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
+		"<e:propertyset xmlns:e=\"urn:schemas-upnp-org:event-1-0\">\n";
+	const char *tail = "</e:propertyset>\n";
+	char txt[10];
+	int ret;
+
+	if (s->sm->wlanevent == NULL) {
+		/*
+		 * There has been no events before the subscription. However,
+		 * UPnP device architecture specification requires all the
+		 * evented variables to be included, so generate a dummy event
+		 * for this particular case using a WSC_ACK and all-zeros
+		 * nonces. The ER (UPnP control point) will ignore this, but at
+		 * least it will learn that WLANEvent variable will be used in
+		 * event notifications in the future.
+		 */
+		struct wpabuf *msg;
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Use a fake WSC_ACK as the "
+			   "initial WLANEvent");
+		msg = build_fake_wsc_ack();
+		if (msg) {
+			s->sm->wlanevent = (char *)
+				base64_encode(wpabuf_head(msg),
+					      wpabuf_len(msg), NULL);
+			wpabuf_free(msg);
+		}
+	}
+
+	wlan_event = s->sm->wlanevent;
+	if (wlan_event == NULL || *wlan_event == '\0') {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: WLANEvent not known for "
+			   "initial event message");
+		wlan_event = "";
+	}
+	buf = wpabuf_alloc(500 + os_strlen(wlan_event));
+	if (buf == NULL)
+		return -1;
+
+	wpabuf_put_str(buf, head);
+	wpabuf_put_property(buf, "STAStatus", "1");
+	os_snprintf(txt, sizeof(txt), "%d", ap_status);
+	wpabuf_put_property(buf, "APStatus", txt);
+	if (*wlan_event)
+		wpabuf_put_property(buf, "WLANEvent", wlan_event);
+	wpabuf_put_str(buf, tail);
+
+	ret = event_add(s, buf, 0);
+	if (ret) {
+		wpabuf_free(buf);
+		return ret;
+	}
+	wpabuf_free(buf);
+
+	return 0;
+}
+
+
+/**
+ * subscription_start - Remember a UPnP control point to send events to.
+ * @sm: WPS UPnP state machine from upnp_wps_device_init()
+ * @callback_urls: Callback URLs
+ * Returns: %NULL on error, or pointer to new subscription structure.
+ */
+struct subscription * subscription_start(struct upnp_wps_device_sm *sm,
+					 const char *callback_urls)
+{
+	struct subscription *s;
+	time_t now = time(NULL);
+	time_t expire = now + UPNP_SUBSCRIBE_SEC;
+
+	/* Get rid of expired subscriptions so we have room */
+	subscription_list_age(sm, now);
+
+	/* If too many subscriptions, remove oldest */
+	if (dl_list_len(&sm->subscriptions) >= MAX_SUBSCRIPTIONS) {
+		s = dl_list_first(&sm->subscriptions, struct subscription,
+				  list);
+		wpa_printf(MSG_INFO, "WPS UPnP: Too many subscriptions, "
+			   "trashing oldest");
+		dl_list_del(&s->list);
+		subscription_destroy(s);
+	}
+
+	s = os_zalloc(sizeof(*s));
+	if (s == NULL)
+		return NULL;
+	dl_list_init(&s->addr_list);
+	dl_list_init(&s->event_queue);
+
+	s->sm = sm;
+	s->timeout_time = expire;
+	uuid_make(s->uuid);
+	subscr_addr_list_create(s, callback_urls);
+	if (dl_list_empty(&s->addr_list)) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: No valid callback URLs in "
+			   "'%s' - drop subscription", callback_urls);
+		subscription_destroy(s);
+		return NULL;
+	}
+
+	/* Add to end of list, since it has the highest expiration time */
+	dl_list_add_tail(&sm->subscriptions, &s->list);
+	/* Queue up immediate event message (our last event)
+	 * as required by UPnP spec.
+	 */
+	if (subscription_first_event(s)) {
+		wpa_printf(MSG_INFO, "WPS UPnP: Dropping subscriber due to "
+			   "event backlog");
+		dl_list_del(&s->list);
+		subscription_destroy(s);
+		return NULL;
+	}
+	wpa_printf(MSG_DEBUG, "WPS UPnP: Subscription %p started with %s",
+		   s, callback_urls);
+	/* Schedule sending this */
+	event_send_all_later(sm);
+	return s;
+}
+
+
+/* subscription_renew -- find subscription and reset timeout */
+struct subscription * subscription_renew(struct upnp_wps_device_sm *sm,
+					 const u8 uuid[UUID_LEN])
+{
+	time_t now = time(NULL);
+	time_t expire = now + UPNP_SUBSCRIBE_SEC;
+	struct subscription *s = subscription_find(sm, uuid);
+	if (s == NULL)
+		return NULL;
+	wpa_printf(MSG_DEBUG, "WPS UPnP: Subscription renewed");
+	dl_list_del(&s->list);
+	s->timeout_time = expire;
+	/* add back to end of list, since it now has highest expiry */
+	dl_list_add_tail(&sm->subscriptions, &s->list);
+	return s;
+}
+
+
+/**
+ * upnp_wps_device_send_wlan_event - Event notification
+ * @sm: WPS UPnP state machine from upnp_wps_device_init()
+ * @from_mac_addr: Source (Enrollee) MAC address for the event
+ * @ev_type: Event type
+ * @msg: Event data
+ * Returns: 0 on success, -1 on failure
+ *
+ * Tell external Registrars (UPnP control points) that something happened. In
+ * particular, events include WPS messages from clients that are proxied to
+ * external Registrars.
+ */
+int upnp_wps_device_send_wlan_event(struct upnp_wps_device_sm *sm,
+				    const u8 from_mac_addr[ETH_ALEN],
+				    enum upnp_wps_wlanevent_type ev_type,
+				    const struct wpabuf *msg)
+{
+	int ret = -1;
+	char type[2];
+	const u8 *mac = from_mac_addr;
+	char mac_text[18];
+	u8 *raw = NULL;
+	size_t raw_len;
+	char *val;
+	size_t val_len;
+	int pos = 0;
+
+	if (!sm)
+		goto fail;
+
+	os_snprintf(type, sizeof(type), "%1u", ev_type);
+
+	raw_len = 1 + 17 + (msg ? wpabuf_len(msg) : 0);
+	raw = os_zalloc(raw_len);
+	if (!raw)
+		goto fail;
+
+	*(raw + pos) = (u8) ev_type;
+	pos += 1;
+	os_snprintf(mac_text, sizeof(mac_text), MACSTR, MAC2STR(mac));
+	wpa_printf(MSG_DEBUG, "WPS UPnP: Proxying WLANEvent from %s",
+		   mac_text);
+	os_memcpy(raw + pos, mac_text, 17);
+	pos += 17;
+	if (msg) {
+		os_memcpy(raw + pos, wpabuf_head(msg), wpabuf_len(msg));
+		pos += wpabuf_len(msg);
+	}
+	raw_len = pos;
+
+	val = (char *) base64_encode(raw, raw_len, &val_len);
+	if (val == NULL)
+		goto fail;
+
+	os_free(sm->wlanevent);
+	sm->wlanevent = val;
+	sm->wlanevent_type = ev_type;
+	upnp_wps_device_send_event(sm);
+
+	ret = 0;
+
+fail:
+	os_free(raw);
+
+	return ret;
+}
+
+
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+#include <sys/sysctl.h>
+#include <net/route.h>
+#include <net/if_dl.h>
+
+static int eth_get(const char *device, u8 ea[ETH_ALEN])
+{
+	struct if_msghdr *ifm;
+	struct sockaddr_dl *sdl;
+	u_char *p, *buf;
+	size_t len;
+	int mib[] = { CTL_NET, AF_ROUTE, 0, AF_LINK, NET_RT_IFLIST, 0 };
+
+	if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0)
+		return -1;
+	if ((buf = os_malloc(len)) == NULL)
+		return -1;
+	if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) {
+		os_free(buf);
+		return -1;
+	}
+	for (p = buf; p < buf + len; p += ifm->ifm_msglen) {
+		ifm = (struct if_msghdr *)p;
+		sdl = (struct sockaddr_dl *)(ifm + 1);
+		if (ifm->ifm_type != RTM_IFINFO ||
+		    (ifm->ifm_addrs & RTA_IFP) == 0)
+			continue;
+		if (sdl->sdl_family != AF_LINK || sdl->sdl_nlen == 0 ||
+		    os_memcmp(sdl->sdl_data, device, sdl->sdl_nlen) != 0)
+			continue;
+		os_memcpy(ea, LLADDR(sdl), sdl->sdl_alen);
+		break;
+	}
+	os_free(buf);
+
+	if (p >= buf + len) {
+		errno = ESRCH;
+		return -1;
+	}
+	return 0;
+}
+#endif /* __FreeBSD__ */
+
+
+/**
+ * get_netif_info - Get hw and IP addresses for network device
+ * @net_if: Selected network interface name
+ * @ip_addr: Buffer for returning IP address in network byte order
+ * @ip_addr_text: Buffer for returning a pointer to allocated IP address text
+ * @mac: Buffer for returning MAC address
+ * Returns: 0 on success, -1 on failure
+ */
+int get_netif_info(const char *net_if, unsigned *ip_addr, char **ip_addr_text,
+		   u8 mac[ETH_ALEN])
+{
+	struct ifreq req;
+	int sock = -1;
+	struct sockaddr_in *addr;
+	struct in_addr in_addr;
+
+	*ip_addr_text = os_zalloc(16);
+	if (*ip_addr_text == NULL)
+		goto fail;
+
+	sock = socket(AF_INET, SOCK_DGRAM, 0);
+	if (sock < 0)
+		goto fail;
+
+	os_strlcpy(req.ifr_name, net_if, sizeof(req.ifr_name));
+	if (ioctl(sock, SIOCGIFADDR, &req) < 0) {
+		wpa_printf(MSG_ERROR, "WPS UPnP: SIOCGIFADDR failed: %d (%s)",
+			   errno, strerror(errno));
+		goto fail;
+	}
+	addr = (void *) &req.ifr_addr;
+	*ip_addr = addr->sin_addr.s_addr;
+	in_addr.s_addr = *ip_addr;
+	os_snprintf(*ip_addr_text, 16, "%s", inet_ntoa(in_addr));
+
+#ifdef __linux__
+	os_strlcpy(req.ifr_name, net_if, sizeof(req.ifr_name));
+	if (ioctl(sock, SIOCGIFHWADDR, &req) < 0) {
+		wpa_printf(MSG_ERROR, "WPS UPnP: SIOCGIFHWADDR failed: "
+			   "%d (%s)", errno, strerror(errno));
+		goto fail;
+	}
+	os_memcpy(mac, req.ifr_addr.sa_data, 6);
+#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+	if (eth_get(net_if, mac) < 0) {
+		wpa_printf(MSG_ERROR, "WPS UPnP: Failed to get MAC address");
+		goto fail;
+	}
+#else
+#error MAC address fetch not implemented
+#endif
+
+	close(sock);
+	return 0;
+
+fail:
+	if (sock >= 0)
+		close(sock);
+	os_free(*ip_addr_text);
+	*ip_addr_text = NULL;
+	return -1;
+}
+
+
+static void upnp_wps_free_msearchreply(struct dl_list *head)
+{
+	struct advertisement_state_machine *a, *tmp;
+	dl_list_for_each_safe(a, tmp, head, struct advertisement_state_machine,
+			      list)
+		msearchreply_state_machine_stop(a);
+}
+
+
+static void upnp_wps_free_subscriptions(struct dl_list *head,
+					struct wps_registrar *reg)
+{
+	struct subscription *s, *tmp;
+	dl_list_for_each_safe(s, tmp, head, struct subscription, list) {
+		if (reg && s->reg != reg)
+			continue;
+		dl_list_del(&s->list);
+		subscription_destroy(s);
+	}
+}
+
+
+/**
+ * upnp_wps_device_stop - Stop WPS UPnP operations on an interface
+ * @sm: WPS UPnP state machine from upnp_wps_device_init()
+ */
+static void upnp_wps_device_stop(struct upnp_wps_device_sm *sm)
+{
+	if (!sm || !sm->started)
+		return;
+
+	wpa_printf(MSG_DEBUG, "WPS UPnP: Stop device");
+	web_listener_stop(sm);
+	upnp_wps_free_msearchreply(&sm->msearch_replies);
+	upnp_wps_free_subscriptions(&sm->subscriptions, NULL);
+
+	advertisement_state_machine_stop(sm, 1);
+
+	event_send_stop_all(sm);
+	os_free(sm->wlanevent);
+	sm->wlanevent = NULL;
+	os_free(sm->ip_addr_text);
+	sm->ip_addr_text = NULL;
+	if (sm->multicast_sd >= 0)
+		close(sm->multicast_sd);
+	sm->multicast_sd = -1;
+	ssdp_listener_stop(sm);
+
+	sm->started = 0;
+}
+
+
+/**
+ * upnp_wps_device_start - Start WPS UPnP operations on an interface
+ * @sm: WPS UPnP state machine from upnp_wps_device_init()
+ * @net_if: Selected network interface name
+ * Returns: 0 on success, -1 on failure
+ */
+static int upnp_wps_device_start(struct upnp_wps_device_sm *sm, char *net_if)
+{
+	if (!sm || !net_if)
+		return -1;
+
+	if (sm->started)
+		upnp_wps_device_stop(sm);
+
+	sm->multicast_sd = -1;
+	sm->ssdp_sd = -1;
+	sm->started = 1;
+	sm->advertise_count = 0;
+
+	/* Fix up linux multicast handling */
+	if (add_ssdp_network(net_if))
+		goto fail;
+
+	/* Determine which IP and mac address we're using */
+	if (get_netif_info(net_if, &sm->ip_addr, &sm->ip_addr_text,
+			   sm->mac_addr)) {
+		wpa_printf(MSG_INFO, "WPS UPnP: Could not get IP/MAC address "
+			   "for %s. Does it have IP address?", net_if);
+		goto fail;
+	}
+
+	/* Listen for incoming TCP connections so that others
+	 * can fetch our "xml files" from us.
+	 */
+	if (web_listener_start(sm))
+		goto fail;
+
+	/* Set up for receiving discovery (UDP) packets */
+	if (ssdp_listener_start(sm))
+		goto fail;
+
+	/* Set up for sending multicast */
+	if (ssdp_open_multicast(sm) < 0)
+		goto fail;
+
+	/*
+	 * Broadcast NOTIFY messages to let the world know we exist.
+	 * This is done via a state machine since the messages should not be
+	 * all sent out at once.
+	 */
+	if (advertisement_state_machine_start(sm))
+		goto fail;
+
+	return 0;
+
+fail:
+	upnp_wps_device_stop(sm);
+	return -1;
+}
+
+
+static struct upnp_wps_device_interface *
+upnp_wps_get_iface(struct upnp_wps_device_sm *sm, void *priv)
+{
+	struct upnp_wps_device_interface *iface;
+	dl_list_for_each(iface, &sm->interfaces,
+			 struct upnp_wps_device_interface, list) {
+		if (iface->priv == priv)
+			return iface;
+	}
+	return NULL;
+}
+
+
+/**
+ * upnp_wps_device_deinit - Deinitialize WPS UPnP
+ * @sm: WPS UPnP state machine from upnp_wps_device_init()
+ * @priv: External context data that was used in upnp_wps_device_init() call
+ */
+void upnp_wps_device_deinit(struct upnp_wps_device_sm *sm, void *priv)
+{
+	struct upnp_wps_device_interface *iface;
+
+	if (!sm)
+		return;
+
+	iface = upnp_wps_get_iface(sm, priv);
+	if (iface == NULL) {
+		wpa_printf(MSG_ERROR, "WPS UPnP: Could not find the interface "
+			   "instance to deinit");
+		return;
+	}
+	wpa_printf(MSG_DEBUG, "WPS UPnP: Deinit interface instance %p", iface);
+	if (dl_list_len(&sm->interfaces) == 1) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Deinitializing last instance "
+			   "- free global device instance");
+		upnp_wps_device_stop(sm);
+	} else
+		upnp_wps_free_subscriptions(&sm->subscriptions,
+					    iface->wps->registrar);
+	dl_list_del(&iface->list);
+
+	if (iface->peer.wps)
+		wps_deinit(iface->peer.wps);
+	os_free(iface->ctx->ap_pin);
+	os_free(iface->ctx);
+	os_free(iface);
+
+	if (dl_list_empty(&sm->interfaces)) {
+		os_free(sm->root_dir);
+		os_free(sm->desc_url);
+		os_free(sm);
+		shared_upnp_device = NULL;
+	}
+}
+
+
+/**
+ * upnp_wps_device_init - Initialize WPS UPnP
+ * @ctx: callback table; we must eventually free it
+ * @wps: Pointer to longterm WPS context
+ * @priv: External context data that will be used in callbacks
+ * @net_if: Selected network interface name
+ * Returns: WPS UPnP state or %NULL on failure
+ */
+struct upnp_wps_device_sm *
+upnp_wps_device_init(struct upnp_wps_device_ctx *ctx, struct wps_context *wps,
+		     void *priv, char *net_if)
+{
+	struct upnp_wps_device_sm *sm;
+	struct upnp_wps_device_interface *iface;
+	int start = 0;
+
+	iface = os_zalloc(sizeof(*iface));
+	if (iface == NULL) {
+		os_free(ctx->ap_pin);
+		os_free(ctx);
+		return NULL;
+	}
+	wpa_printf(MSG_DEBUG, "WPS UPnP: Init interface instance %p", iface);
+
+	iface->ctx = ctx;
+	iface->wps = wps;
+	iface->priv = priv;
+
+	if (shared_upnp_device) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Share existing device "
+			   "context");
+		sm = shared_upnp_device;
+	} else {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Initialize device context");
+		sm = os_zalloc(sizeof(*sm));
+		if (!sm) {
+			wpa_printf(MSG_ERROR, "WPS UPnP: upnp_wps_device_init "
+				   "failed");
+			os_free(iface);
+			os_free(ctx->ap_pin);
+			os_free(ctx);
+			return NULL;
+		}
+		shared_upnp_device = sm;
+
+		dl_list_init(&sm->msearch_replies);
+		dl_list_init(&sm->subscriptions);
+		dl_list_init(&sm->interfaces);
+		start = 1;
+	}
+
+	dl_list_add(&sm->interfaces, &iface->list);
+
+	if (start && upnp_wps_device_start(sm, net_if)) {
+		upnp_wps_device_deinit(sm, priv);
+		return NULL;
+	}
+
+
+	return sm;
+}
+
+
+/**
+ * upnp_wps_subscribers - Check whether there are any event subscribers
+ * @sm: WPS UPnP state machine from upnp_wps_device_init()
+ * Returns: 0 if no subscribers, 1 if subscribers
+ */
+int upnp_wps_subscribers(struct upnp_wps_device_sm *sm)
+{
+	return !dl_list_empty(&sm->subscriptions);
+}
+
+
+int upnp_wps_set_ap_pin(struct upnp_wps_device_sm *sm, const char *ap_pin)
+{
+	struct upnp_wps_device_interface *iface;
+	if (sm == NULL)
+		return 0;
+
+	dl_list_for_each(iface, &sm->interfaces,
+			 struct upnp_wps_device_interface, list) {
+		os_free(iface->ctx->ap_pin);
+		if (ap_pin) {
+			iface->ctx->ap_pin = os_strdup(ap_pin);
+			if (iface->ctx->ap_pin == NULL)
+				return -1;
+		} else
+			iface->ctx->ap_pin = NULL;
+	}
+
+	return 0;
+}
diff --git a/src/wps/wps_upnp.h b/src/wps/wps_upnp.h
new file mode 100644
index 0000000..87b7ab1
--- /dev/null
+++ b/src/wps/wps_upnp.h
@@ -0,0 +1,48 @@
+/*
+ * UPnP WPS Device
+ * Copyright (c) 2000-2003 Intel Corporation
+ * Copyright (c) 2006-2007 Sony Corporation
+ * Copyright (c) 2008-2009 Atheros Communications
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * See wps_upnp.c for more details on licensing and code history.
+ */
+
+#ifndef WPS_UPNP_H
+#define WPS_UPNP_H
+
+struct upnp_wps_device_sm;
+struct wps_context;
+struct wps_data;
+
+struct upnp_wps_peer {
+	struct wps_data *wps;
+};
+
+enum upnp_wps_wlanevent_type {
+	UPNP_WPS_WLANEVENT_TYPE_PROBE = 1,
+	UPNP_WPS_WLANEVENT_TYPE_EAP = 2
+};
+
+struct upnp_wps_device_ctx {
+	int (*rx_req_put_wlan_response)(
+		void *priv, enum upnp_wps_wlanevent_type ev_type,
+		const u8 *mac_addr, const struct wpabuf *msg,
+		enum wps_msg_type msg_type);
+
+	char *ap_pin;
+};
+
+struct upnp_wps_device_sm *
+upnp_wps_device_init(struct upnp_wps_device_ctx *ctx, struct wps_context *wps,
+		     void *priv, char *net_if);
+void upnp_wps_device_deinit(struct upnp_wps_device_sm *sm, void *priv);
+
+int upnp_wps_device_send_wlan_event(struct upnp_wps_device_sm *sm,
+				    const u8 from_mac_addr[ETH_ALEN],
+				    enum upnp_wps_wlanevent_type ev_type,
+				    const struct wpabuf *msg);
+int upnp_wps_subscribers(struct upnp_wps_device_sm *sm);
+int upnp_wps_set_ap_pin(struct upnp_wps_device_sm *sm, const char *ap_pin);
+
+#endif /* WPS_UPNP_H */
diff --git a/src/wps/wps_upnp_ap.c b/src/wps/wps_upnp_ap.c
new file mode 100644
index 0000000..501ecbc
--- /dev/null
+++ b/src/wps/wps_upnp_ap.c
@@ -0,0 +1,91 @@
+/*
+ * Wi-Fi Protected Setup - UPnP AP functionality
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eloop.h"
+#include "uuid.h"
+#include "wps_i.h"
+#include "wps_upnp.h"
+#include "wps_upnp_i.h"
+
+
+static void upnp_er_set_selected_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct subscription *s = eloop_ctx;
+	wpa_printf(MSG_DEBUG, "WPS: SetSelectedRegistrar from ER timed out");
+	s->selected_registrar = 0;
+	wps_registrar_selected_registrar_changed(s->reg);
+}
+
+
+int upnp_er_set_selected_registrar(struct wps_registrar *reg,
+				   struct subscription *s,
+				   const struct wpabuf *msg)
+{
+	struct wps_parse_attr attr;
+
+	wpa_hexdump_buf(MSG_MSGDUMP, "WPS: SetSelectedRegistrar attributes",
+			msg);
+	if (wps_validate_upnp_set_selected_registrar(msg) < 0)
+		return -1;
+
+	if (wps_parse_msg(msg, &attr) < 0)
+		return -1;
+
+	s->reg = reg;
+	eloop_cancel_timeout(upnp_er_set_selected_timeout, s, NULL);
+
+	os_memset(s->authorized_macs, 0, sizeof(s->authorized_macs));
+	if (attr.selected_registrar == NULL || *attr.selected_registrar == 0) {
+		wpa_printf(MSG_DEBUG, "WPS: SetSelectedRegistrar: Disable "
+			   "Selected Registrar");
+		s->selected_registrar = 0;
+	} else {
+		s->selected_registrar = 1;
+		s->dev_password_id = attr.dev_password_id ?
+			WPA_GET_BE16(attr.dev_password_id) : DEV_PW_DEFAULT;
+		s->config_methods = attr.sel_reg_config_methods ?
+			WPA_GET_BE16(attr.sel_reg_config_methods) : -1;
+		if (attr.authorized_macs) {
+			int count = attr.authorized_macs_len / ETH_ALEN;
+			if (count > WPS_MAX_AUTHORIZED_MACS)
+				count = WPS_MAX_AUTHORIZED_MACS;
+			os_memcpy(s->authorized_macs, attr.authorized_macs,
+				  count * ETH_ALEN);
+		} else if (!attr.version2) {
+#ifdef CONFIG_WPS2
+			wpa_printf(MSG_DEBUG, "WPS: Add broadcast "
+				   "AuthorizedMACs for WPS 1.0 ER");
+			os_memset(s->authorized_macs, 0xff, ETH_ALEN);
+#endif /* CONFIG_WPS2 */
+		}
+		eloop_register_timeout(WPS_PBC_WALK_TIME, 0,
+				       upnp_er_set_selected_timeout, s, NULL);
+	}
+
+	wps_registrar_selected_registrar_changed(reg);
+
+	return 0;
+}
+
+
+void upnp_er_remove_notification(struct subscription *s)
+{
+	s->selected_registrar = 0;
+	eloop_cancel_timeout(upnp_er_set_selected_timeout, s, NULL);
+	if (s->reg)
+		wps_registrar_selected_registrar_changed(s->reg);
+}
diff --git a/src/wps/wps_upnp_event.c b/src/wps/wps_upnp_event.c
new file mode 100644
index 0000000..2c8ed4f
--- /dev/null
+++ b/src/wps/wps_upnp_event.c
@@ -0,0 +1,423 @@
+/*
+ * UPnP WPS Device - Event processing
+ * Copyright (c) 2000-2003 Intel Corporation
+ * Copyright (c) 2006-2007 Sony Corporation
+ * Copyright (c) 2008-2009 Atheros Communications
+ * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
+ *
+ * See wps_upnp.c for more details on licensing and code history.
+ */
+
+#include "includes.h"
+#include <assert.h>
+
+#include "common.h"
+#include "eloop.h"
+#include "uuid.h"
+#include "http_client.h"
+#include "wps_defs.h"
+#include "wps_upnp.h"
+#include "wps_upnp_i.h"
+
+/*
+ * Event message generation (to subscribers)
+ *
+ * We make a separate copy for each message for each subscriber. This memory
+ * wasted could be limited (adding code complexity) by sharing copies, keeping
+ * a usage count and freeing when zero.
+ *
+ * Sending a message requires using a HTTP over TCP NOTIFY
+ * (like a PUT) which requires a number of states..
+ */
+
+#define MAX_EVENTS_QUEUED 20   /* How far behind queued events */
+#define MAX_FAILURES 10 /* Drop subscription after this many failures */
+
+/* How long to wait before sending event */
+#define EVENT_DELAY_SECONDS 0
+#define EVENT_DELAY_MSEC 0
+
+/*
+ * Event information that we send to each subscriber is remembered in this
+ * struct. The event cannot be sent by simple UDP; it has to be sent by a HTTP
+ * over TCP transaction which requires various states.. It may also need to be
+ * retried at a different address (if more than one is available).
+ *
+ * TODO: As an optimization we could share data between subscribers.
+ */
+struct wps_event_ {
+	struct dl_list list;
+	struct subscription *s;         /* parent */
+	unsigned subscriber_sequence;   /* which event for this subscription*/
+	unsigned int retry;             /* which retry */
+	struct subscr_addr *addr;       /* address to connect to */
+	struct wpabuf *data;            /* event data to send */
+	struct http_client *http_event;
+};
+
+
+/* event_clean -- clean sockets etc. of event
+ * Leaves data, retry count etc. alone.
+ */
+static void event_clean(struct wps_event_ *e)
+{
+	if (e->s->current_event == e)
+		e->s->current_event = NULL;
+	http_client_free(e->http_event);
+	e->http_event = NULL;
+}
+
+
+/* event_delete -- delete single unqueued event
+ * (be sure to dequeue first if need be)
+ */
+static void event_delete(struct wps_event_ *e)
+{
+	wpa_printf(MSG_DEBUG, "WPS UPnP: Delete event %p", e);
+	event_clean(e);
+	wpabuf_free(e->data);
+	os_free(e);
+}
+
+
+/* event_dequeue -- get next event from the queue
+ * Returns NULL if empty.
+ */
+static struct wps_event_ *event_dequeue(struct subscription *s)
+{
+	struct wps_event_ *e;
+	e = dl_list_first(&s->event_queue, struct wps_event_, list);
+	if (e) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Dequeue event %p for "
+			   "subscription %p", e, s);
+		dl_list_del(&e->list);
+	}
+	return e;
+}
+
+
+/* event_delete_all -- delete entire event queue and current event */
+void event_delete_all(struct subscription *s)
+{
+	struct wps_event_ *e;
+	while ((e = event_dequeue(s)) != NULL)
+		event_delete(e);
+	if (s->current_event) {
+		event_delete(s->current_event);
+		/* will set: s->current_event = NULL;  */
+	}
+}
+
+
+/**
+ * event_retry - Called when we had a failure delivering event msg
+ * @e: Event
+ * @do_next_address: skip address e.g. on connect fail
+ */
+static void event_retry(struct wps_event_ *e, int do_next_address)
+{
+	struct subscription *s = e->s;
+	struct upnp_wps_device_sm *sm = s->sm;
+
+	wpa_printf(MSG_DEBUG, "WPS UPnP: Retry event %p for subscription %p",
+		   e, s);
+	event_clean(e);
+	/* will set: s->current_event = NULL; */
+
+	if (do_next_address) {
+		e->retry++;
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Try address %d", e->retry);
+	}
+	if (e->retry >= dl_list_len(&s->addr_list)) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Giving up on sending event "
+			   "for %s", e->addr->domain_and_port);
+		event_delete(e);
+		s->last_event_failed = 1;
+		if (!dl_list_empty(&s->event_queue))
+			event_send_all_later(s->sm);
+		return;
+	}
+	dl_list_add(&s->event_queue, &e->list);
+	event_send_all_later(sm);
+}
+
+
+static struct wpabuf * event_build_message(struct wps_event_ *e)
+{
+	struct wpabuf *buf;
+	char *b;
+
+	buf = wpabuf_alloc(1000 + wpabuf_len(e->data));
+	if (buf == NULL)
+		return NULL;
+	wpabuf_printf(buf, "NOTIFY %s HTTP/1.1\r\n", e->addr->path);
+	wpabuf_put_str(buf, "SERVER: Unspecified, UPnP/1.0, Unspecified\r\n");
+	wpabuf_printf(buf, "HOST: %s\r\n", e->addr->domain_and_port);
+	wpabuf_put_str(buf, "CONTENT-TYPE: text/xml; charset=\"utf-8\"\r\n"
+		       "NT: upnp:event\r\n"
+		       "NTS: upnp:propchange\r\n");
+	wpabuf_put_str(buf, "SID: uuid:");
+	b = wpabuf_put(buf, 0);
+	uuid_bin2str(e->s->uuid, b, 80);
+	wpabuf_put(buf, os_strlen(b));
+	wpabuf_put_str(buf, "\r\n");
+	wpabuf_printf(buf, "SEQ: %u\r\n", e->subscriber_sequence);
+	wpabuf_printf(buf, "CONTENT-LENGTH: %d\r\n",
+		      (int) wpabuf_len(e->data));
+	wpabuf_put_str(buf, "\r\n"); /* terminating empty line */
+	wpabuf_put_buf(buf, e->data);
+	return buf;
+}
+
+
+static void event_addr_failure(struct wps_event_ *e)
+{
+	struct subscription *s = e->s;
+
+	e->addr->num_failures++;
+	wpa_printf(MSG_DEBUG, "WPS UPnP: Failed to send event %p to %s "
+		   "(num_failures=%u)",
+		   e, e->addr->domain_and_port, e->addr->num_failures);
+
+	if (e->addr->num_failures < MAX_FAILURES) {
+		/* Try other addresses, if available */
+		event_retry(e, 1);
+		return;
+	}
+
+	/*
+	 * If other side doesn't like what we say, forget about them.
+	 * (There is no way to tell other side that we are dropping them...).
+	 */
+	wpa_printf(MSG_DEBUG, "WPS UPnP: Deleting subscription %p "
+		   "address %s due to errors", s, e->addr->domain_and_port);
+	dl_list_del(&e->addr->list);
+	subscr_addr_delete(e->addr);
+	e->addr = NULL;
+
+	if (dl_list_empty(&s->addr_list)) {
+		/* if we've given up on all addresses */
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Removing subscription %p "
+			   "with no addresses", s);
+		dl_list_del(&s->list);
+		subscription_destroy(s);
+		return;
+	}
+
+	/* Try other addresses, if available */
+	event_retry(e, 0);
+}
+
+
+static void event_http_cb(void *ctx, struct http_client *c,
+			  enum http_client_event event)
+{
+	struct wps_event_ *e = ctx;
+	struct subscription *s = e->s;
+
+	wpa_printf(MSG_DEBUG, "WPS UPnP: HTTP client callback: e=%p c=%p "
+		   "event=%d", e, c, event);
+	switch (event) {
+	case HTTP_CLIENT_OK:
+		wpa_printf(MSG_DEBUG,
+			   "WPS UPnP: Got event %p reply OK from %s",
+			   e, e->addr->domain_and_port);
+		e->addr->num_failures = 0;
+		s->last_event_failed = 0;
+		event_delete(e);
+
+		/* Schedule sending more if there is more to send */
+		if (!dl_list_empty(&s->event_queue))
+			event_send_all_later(s->sm);
+		break;
+	case HTTP_CLIENT_FAILED:
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Event send failure");
+		event_addr_failure(e);
+		break;
+	case HTTP_CLIENT_INVALID_REPLY:
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Invalid reply");
+		event_addr_failure(e);
+		break;
+	case HTTP_CLIENT_TIMEOUT:
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Event send timeout");
+		event_addr_failure(e);
+		break;
+	}
+}
+
+
+/* event_send_start -- prepare to send a event message to subscriber
+ *
+ * This gets complicated because:
+ * -- The message is sent via TCP and we have to keep the stream open
+ *      for 30 seconds to get a response... then close it.
+ * -- But we might have other event happen in the meantime...
+ *      we have to queue them, if we lose them then the subscriber will
+ *      be forced to unsubscribe and subscribe again.
+ * -- If multiple URLs are provided then we are supposed to try successive
+ *      ones after 30 second timeout.
+ * -- The URLs might use domain names instead of dotted decimal addresses,
+ *      and resolution of those may cause unwanted sleeping.
+ * -- Doing the initial TCP connect can take a while, so we have to come
+ *      back after connection and then send the data.
+ *
+ * Returns nonzero on error;
+ *
+ * Prerequisite: No current event send (s->current_event == NULL)
+ *      and non-empty queue.
+ */
+static int event_send_start(struct subscription *s)
+{
+	struct wps_event_ *e;
+	unsigned int itry;
+	struct wpabuf *buf;
+
+	/*
+	 * Assume we are called ONLY with no current event and ONLY with
+	 * nonempty event queue and ONLY with at least one address to send to.
+	 */
+	if (dl_list_empty(&s->addr_list))
+		return -1;
+	if (s->current_event)
+		return -1;
+	if (dl_list_empty(&s->event_queue))
+		return -1;
+
+	s->current_event = e = event_dequeue(s);
+
+	/* Use address according to number of retries */
+	itry = 0;
+	dl_list_for_each(e->addr, &s->addr_list, struct subscr_addr, list)
+		if (itry++ == e->retry)
+			break;
+	if (itry < e->retry)
+		return -1;
+
+	buf = event_build_message(e);
+	if (buf == NULL) {
+		event_retry(e, 0);
+		return -1;
+	}
+
+	e->http_event = http_client_addr(&e->addr->saddr, buf, 0,
+					 event_http_cb, e);
+	if (e->http_event == NULL) {
+		wpabuf_free(buf);
+		event_retry(e, 0);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+/* event_send_all_later_handler -- actually send events as needed */
+static void event_send_all_later_handler(void *eloop_data, void *user_ctx)
+{
+	struct upnp_wps_device_sm *sm = user_ctx;
+	struct subscription *s, *tmp;
+	int nerrors = 0;
+
+	sm->event_send_all_queued = 0;
+	dl_list_for_each_safe(s, tmp, &sm->subscriptions, struct subscription,
+			      list) {
+		if (s->current_event == NULL /* not busy */ &&
+		    !dl_list_empty(&s->event_queue) /* more to do */) {
+			if (event_send_start(s))
+				nerrors++;
+		}
+	}
+
+	if (nerrors) {
+		/* Try again later */
+		event_send_all_later(sm);
+	}
+}
+
+
+/* event_send_all_later -- schedule sending events to all subscribers
+ * that need it.
+ * This avoids two problems:
+ * -- After getting a subscription, we should not send the first event
+ *      until after our reply is fully queued to be sent back,
+ * -- Possible stack depth or infinite recursion issues.
+ */
+void event_send_all_later(struct upnp_wps_device_sm *sm)
+{
+	/*
+	 * The exact time in the future isn't too important. Waiting a bit
+	 * might let us do several together.
+	 */
+	if (sm->event_send_all_queued)
+		return;
+	sm->event_send_all_queued = 1;
+	eloop_register_timeout(EVENT_DELAY_SECONDS, EVENT_DELAY_MSEC,
+			       event_send_all_later_handler, NULL, sm);
+}
+
+
+/* event_send_stop_all -- cleanup */
+void event_send_stop_all(struct upnp_wps_device_sm *sm)
+{
+	if (sm->event_send_all_queued)
+		eloop_cancel_timeout(event_send_all_later_handler, NULL, sm);
+	sm->event_send_all_queued = 0;
+}
+
+
+/**
+ * event_add - Add a new event to a queue
+ * @s: Subscription
+ * @data: Event data (is copied; caller retains ownership)
+ * @probereq: Whether this is a Probe Request event
+ * Returns: 0 on success, -1 on error, 1 on max event queue limit reached
+ */
+int event_add(struct subscription *s, const struct wpabuf *data, int probereq)
+{
+	struct wps_event_ *e;
+	unsigned int len;
+
+	len = dl_list_len(&s->event_queue);
+	if (len >= MAX_EVENTS_QUEUED) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Too many events queued for "
+			   "subscriber %p", s);
+		if (probereq)
+			return 1;
+
+		/* Drop oldest entry to allow EAP event to be stored. */
+		e = event_dequeue(s);
+		if (!e)
+			return 1;
+		event_delete(e);
+	}
+
+	if (s->last_event_failed && probereq && len > 0) {
+		/*
+		 * Avoid queuing frames for subscribers that may have left
+		 * without unsubscribing.
+		 */
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Do not queue more Probe "
+			   "Request frames for subscription %p since last "
+			   "delivery failed", s);
+		return -1;
+	}
+
+	e = os_zalloc(sizeof(*e));
+	if (e == NULL)
+		return -1;
+	dl_list_init(&e->list);
+	e->s = s;
+	e->data = wpabuf_dup(data);
+	if (e->data == NULL) {
+		os_free(e);
+		return -1;
+	}
+	e->subscriber_sequence = s->next_subscriber_sequence++;
+	if (s->next_subscriber_sequence == 0)
+		s->next_subscriber_sequence++;
+	wpa_printf(MSG_DEBUG, "WPS UPnP: Queue event %p for subscriber %p "
+		   "(queue len %u)", e, s, len + 1);
+	dl_list_add_tail(&s->event_queue, &e->list);
+	event_send_all_later(s->sm);
+	return 0;
+}
diff --git a/src/wps/wps_upnp_i.h b/src/wps/wps_upnp_i.h
new file mode 100644
index 0000000..3ecf05d
--- /dev/null
+++ b/src/wps/wps_upnp_i.h
@@ -0,0 +1,193 @@
+/*
+ * UPnP for WPS / internal definitions
+ * Copyright (c) 2000-2003 Intel Corporation
+ * Copyright (c) 2006-2007 Sony Corporation
+ * Copyright (c) 2008-2009 Atheros Communications
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * See wps_upnp.c for more details on licensing and code history.
+ */
+
+#ifndef WPS_UPNP_I_H
+#define WPS_UPNP_I_H
+
+#include "utils/list.h"
+#include "http.h"
+
+#define UPNP_MULTICAST_ADDRESS  "239.255.255.250" /* for UPnP multicasting */
+#define UPNP_MULTICAST_PORT 1900 /* UDP port to monitor for UPnP */
+
+/* min subscribe time per UPnP standard */
+#define UPNP_SUBSCRIBE_SEC_MIN 1800
+/* subscribe time we use */
+#define UPNP_SUBSCRIBE_SEC (UPNP_SUBSCRIBE_SEC_MIN + 1)
+
+/* "filenames" used in URLs that we service via our "web server": */
+#define UPNP_WPS_DEVICE_XML_FILE "wps_device.xml"
+#define UPNP_WPS_SCPD_XML_FILE   "wps_scpd.xml"
+#define UPNP_WPS_DEVICE_CONTROL_FILE "wps_control"
+#define UPNP_WPS_DEVICE_EVENT_FILE "wps_event"
+
+#define MULTICAST_MAX_READ 1600 /* max bytes we'll read for UPD request */
+
+
+struct upnp_wps_device_sm;
+struct wps_registrar;
+
+
+enum advertisement_type_enum {
+	ADVERTISE_UP = 0,
+	ADVERTISE_DOWN = 1,
+	MSEARCH_REPLY = 2
+};
+
+/*
+ * Advertisements are broadcast via UDP NOTIFYs, and are also the essence of
+ * the reply to UDP M-SEARCH requests. This struct handles both cases.
+ *
+ * A state machine is needed because a number of variant forms must be sent in
+ * separate packets and spread out in time to avoid congestion.
+ */
+struct advertisement_state_machine {
+	struct dl_list list;
+	enum advertisement_type_enum type;
+	int state;
+	int nerrors;
+	struct sockaddr_in client; /* for M-SEARCH replies */
+};
+
+
+/*
+ * An address of a subscriber (who may have multiple addresses). We are
+ * supposed to send (via TCP) updates to each subscriber, trying each address
+ * for a subscriber until we find one that seems to work.
+ */
+struct subscr_addr {
+	struct dl_list list;
+	char *domain_and_port; /* domain and port part of url */
+	char *path; /* "filepath" part of url (from "mem") */
+	struct sockaddr_in saddr; /* address for doing connect */
+	unsigned num_failures;
+};
+
+
+/*
+ * Subscribers to our events are recorded in this struct. This includes a max
+ * of one outgoing connection (sending an "event message") per subscriber. We
+ * also have to age out subscribers unless they renew.
+ */
+struct subscription {
+	struct dl_list list;
+	struct upnp_wps_device_sm *sm; /* parent */
+	time_t timeout_time; /* when to age out the subscription */
+	unsigned next_subscriber_sequence; /* number our messages */
+	/*
+	 * This uuid identifies the subscription and is randomly generated by
+	 * us and given to the subscriber when the subscription is accepted;
+	 * and is then included with each event sent to the subscriber.
+	 */
+	u8 uuid[UUID_LEN];
+	/* Linked list of address alternatives (rotate through on failure) */
+	struct dl_list addr_list;
+	struct dl_list event_queue; /* Queued event messages. */
+	struct wps_event_ *current_event; /* non-NULL if being sent (not in q)
+					   */
+	int last_event_failed; /* Whether delivery of last event failed */
+
+	/* Information from SetSelectedRegistrar action */
+	u8 selected_registrar;
+	u16 dev_password_id;
+	u16 config_methods;
+	u8 authorized_macs[WPS_MAX_AUTHORIZED_MACS][ETH_ALEN];
+	struct wps_registrar *reg;
+};
+
+
+struct upnp_wps_device_interface {
+	struct dl_list list;
+	struct upnp_wps_device_ctx *ctx; /* callback table */
+	struct wps_context *wps;
+	void *priv;
+
+	/* FIX: maintain separate structures for each UPnP peer */
+	struct upnp_wps_peer peer;
+};
+
+/*
+ * Our instance data corresponding to the AP device. Note that there may be
+ * multiple wireless interfaces sharing the same UPnP device instance. Each
+ * such interface is stored in the list of struct upnp_wps_device_interface
+ * instances.
+ *
+ * This is known as an opaque struct declaration to users of the WPS UPnP code.
+ */
+struct upnp_wps_device_sm {
+	struct dl_list interfaces; /* struct upnp_wps_device_interface */
+	char *root_dir;
+	char *desc_url;
+	int started; /* nonzero if we are active */
+	u8 mac_addr[ETH_ALEN]; /* mac addr of network i.f. we use */
+	char *ip_addr_text; /* IP address of network i.f. we use */
+	unsigned ip_addr; /* IP address of network i.f. we use (host order) */
+	int multicast_sd; /* send multicast messages over this socket */
+	int ssdp_sd; /* receive discovery UPD packets on socket */
+	int ssdp_sd_registered; /* nonzero if we must unregister */
+	unsigned advertise_count; /* how many advertisements done */
+	struct advertisement_state_machine advertisement;
+	struct dl_list msearch_replies;
+	int web_port; /* our port that others get xml files from */
+	struct http_server *web_srv;
+	/* Note: subscriptions are kept in expiry order */
+	struct dl_list subscriptions;
+	int event_send_all_queued; /* if we are scheduled to send events soon
+				    */
+
+	char *wlanevent; /* the last WLANEvent data */
+	enum upnp_wps_wlanevent_type wlanevent_type;
+	os_time_t last_event_sec;
+	unsigned int num_events_in_sec;
+};
+
+/* wps_upnp.c */
+void format_date(struct wpabuf *buf);
+struct subscription * subscription_start(struct upnp_wps_device_sm *sm,
+					 const char *callback_urls);
+struct subscription * subscription_renew(struct upnp_wps_device_sm *sm,
+					 const u8 uuid[UUID_LEN]);
+void subscription_destroy(struct subscription *s);
+struct subscription * subscription_find(struct upnp_wps_device_sm *sm,
+					const u8 uuid[UUID_LEN]);
+void subscr_addr_delete(struct subscr_addr *a);
+int send_wpabuf(int fd, struct wpabuf *buf);
+int get_netif_info(const char *net_if, unsigned *ip_addr, char **ip_addr_text,
+		   u8 mac[ETH_ALEN]);
+
+/* wps_upnp_ssdp.c */
+void msearchreply_state_machine_stop(struct advertisement_state_machine *a);
+int advertisement_state_machine_start(struct upnp_wps_device_sm *sm);
+void advertisement_state_machine_stop(struct upnp_wps_device_sm *sm,
+				      int send_byebye);
+void ssdp_listener_stop(struct upnp_wps_device_sm *sm);
+int ssdp_listener_start(struct upnp_wps_device_sm *sm);
+int ssdp_listener_open(void);
+int add_ssdp_network(const char *net_if);
+int ssdp_open_multicast_sock(u32 ip_addr);
+int ssdp_open_multicast(struct upnp_wps_device_sm *sm);
+
+/* wps_upnp_web.c */
+int web_listener_start(struct upnp_wps_device_sm *sm);
+void web_listener_stop(struct upnp_wps_device_sm *sm);
+
+/* wps_upnp_event.c */
+int event_add(struct subscription *s, const struct wpabuf *data, int probereq);
+void event_delete_all(struct subscription *s);
+void event_send_all_later(struct upnp_wps_device_sm *sm);
+void event_send_stop_all(struct upnp_wps_device_sm *sm);
+
+/* wps_upnp_ap.c */
+int upnp_er_set_selected_registrar(struct wps_registrar *reg,
+				   struct subscription *s,
+				   const struct wpabuf *msg);
+void upnp_er_remove_notification(struct subscription *s);
+
+#endif /* WPS_UPNP_I_H */
diff --git a/src/wps/wps_upnp_ssdp.c b/src/wps/wps_upnp_ssdp.c
new file mode 100644
index 0000000..c7fb158
--- /dev/null
+++ b/src/wps/wps_upnp_ssdp.c
@@ -0,0 +1,938 @@
+/*
+ * UPnP SSDP for WPS
+ * Copyright (c) 2000-2003 Intel Corporation
+ * Copyright (c) 2006-2007 Sony Corporation
+ * Copyright (c) 2008-2009 Atheros Communications
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * See wps_upnp.c for more details on licensing and code history.
+ */
+
+#include "includes.h"
+
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <net/route.h>
+
+#include "common.h"
+#include "uuid.h"
+#include "eloop.h"
+#include "wps.h"
+#include "wps_upnp.h"
+#include "wps_upnp_i.h"
+
+#define UPNP_CACHE_SEC (UPNP_CACHE_SEC_MIN + 1) /* cache time we use */
+#define UPNP_CACHE_SEC_MIN 1800 /* min cachable time per UPnP standard */
+#define UPNP_ADVERTISE_REPEAT 2 /* no more than 3 */
+#define MAX_MSEARCH 20          /* max simultaneous M-SEARCH replies ongoing */
+#define SSDP_TARGET  "239.0.0.0"
+#define SSDP_NETMASK "255.0.0.0"
+
+
+/* Check tokens for equality, where tokens consist of letters, digits,
+ * underscore and hyphen, and are matched case insensitive.
+ */
+static int token_eq(const char *s1, const char *s2)
+{
+	int c1;
+	int c2;
+	int end1 = 0;
+	int end2 = 0;
+	for (;;) {
+		c1 = *s1++;
+		c2 = *s2++;
+		if (isalpha(c1) && isupper(c1))
+			c1 = tolower(c1);
+		if (isalpha(c2) && isupper(c2))
+			c2 = tolower(c2);
+		end1 = !(isalnum(c1) || c1 == '_' || c1 == '-');
+		end2 = !(isalnum(c2) || c2 == '_' || c2 == '-');
+		if (end1 || end2 || c1 != c2)
+			break;
+	}
+	return end1 && end2; /* reached end of both words? */
+}
+
+
+/* Return length of token (see above for definition of token) */
+static int token_length(const char *s)
+{
+	const char *begin = s;
+	for (;; s++) {
+		int c = *s;
+		int end = !(isalnum(c) || c == '_' || c == '-');
+		if (end)
+			break;
+	}
+	return s - begin;
+}
+
+
+/* return length of interword separation.
+ * This accepts only spaces/tabs and thus will not traverse a line
+ * or buffer ending.
+ */
+static int word_separation_length(const char *s)
+{
+	const char *begin = s;
+	for (;; s++) {
+		int c = *s;
+		if (c == ' ' || c == '\t')
+			continue;
+		break;
+	}
+	return s - begin;
+}
+
+
+/* No. of chars through (including) end of line */
+static int line_length(const char *l)
+{
+	const char *lp = l;
+	while (*lp && *lp != '\n')
+		lp++;
+	if (*lp == '\n')
+		lp++;
+	return lp - l;
+}
+
+
+/* No. of chars excluding trailing whitespace */
+static int line_length_stripped(const char *l)
+{
+	const char *lp = l + line_length(l);
+	while (lp > l && !isgraph(lp[-1]))
+		lp--;
+	return lp - l;
+}
+
+
+static int str_starts(const char *str, const char *start)
+{
+	return os_strncmp(str, start, os_strlen(start)) == 0;
+}
+
+
+/***************************************************************************
+ * Advertisements.
+ * These are multicast to the world to tell them we are here.
+ * The individual packets are spread out in time to limit loss,
+ * and then after a much longer period of time the whole sequence
+ * is repeated again (for NOTIFYs only).
+ **************************************************************************/
+
+/**
+ * next_advertisement - Build next message and advance the state machine
+ * @a: Advertisement state
+ * @islast: Buffer for indicating whether this is the last message (= 1)
+ * Returns: The new message (caller is responsible for freeing this)
+ *
+ * Note: next_advertisement is shared code with msearchreply_* functions
+ */
+static struct wpabuf *
+next_advertisement(struct upnp_wps_device_sm *sm,
+		   struct advertisement_state_machine *a, int *islast)
+{
+	struct wpabuf *msg;
+	char *NTString = "";
+	char uuid_string[80];
+	struct upnp_wps_device_interface *iface;
+
+	*islast = 0;
+	iface = dl_list_first(&sm->interfaces,
+			      struct upnp_wps_device_interface, list);
+	uuid_bin2str(iface->wps->uuid, uuid_string, sizeof(uuid_string));
+	msg = wpabuf_alloc(800); /* more than big enough */
+	if (msg == NULL)
+		goto fail;
+	switch (a->type) {
+	case ADVERTISE_UP:
+	case ADVERTISE_DOWN:
+		NTString = "NT";
+		wpabuf_put_str(msg, "NOTIFY * HTTP/1.1\r\n");
+		wpabuf_printf(msg, "HOST: %s:%d\r\n",
+			      UPNP_MULTICAST_ADDRESS, UPNP_MULTICAST_PORT);
+		wpabuf_printf(msg, "CACHE-CONTROL: max-age=%d\r\n",
+			      UPNP_CACHE_SEC);
+		wpabuf_printf(msg, "NTS: %s\r\n",
+			      (a->type == ADVERTISE_UP ?
+			       "ssdp:alive" : "ssdp:byebye"));
+		break;
+	case MSEARCH_REPLY:
+		NTString = "ST";
+		wpabuf_put_str(msg, "HTTP/1.1 200 OK\r\n");
+		wpabuf_printf(msg, "CACHE-CONTROL: max-age=%d\r\n",
+			      UPNP_CACHE_SEC);
+
+		wpabuf_put_str(msg, "DATE: ");
+		format_date(msg);
+		wpabuf_put_str(msg, "\r\n");
+
+		wpabuf_put_str(msg, "EXT:\r\n");
+		break;
+	}
+
+	if (a->type != ADVERTISE_DOWN) {
+		/* Where others may get our XML files from */
+		wpabuf_printf(msg, "LOCATION: http://%s:%d/%s\r\n",
+			      sm->ip_addr_text, sm->web_port,
+			      UPNP_WPS_DEVICE_XML_FILE);
+	}
+
+	/* The SERVER line has three comma-separated fields:
+	 *      operating system / version
+	 *      upnp version
+	 *      software package / version
+	 * However, only the UPnP version is really required, the
+	 * others can be place holders... for security reasons
+	 * it is better to NOT provide extra information.
+	 */
+	wpabuf_put_str(msg, "SERVER: Unspecified, UPnP/1.0, Unspecified\r\n");
+
+	switch (a->state / UPNP_ADVERTISE_REPEAT) {
+	case 0:
+		wpabuf_printf(msg, "%s: upnp:rootdevice\r\n", NTString);
+		wpabuf_printf(msg, "USN: uuid:%s::upnp:rootdevice\r\n",
+			      uuid_string);
+		break;
+	case 1:
+		wpabuf_printf(msg, "%s: uuid:%s\r\n", NTString, uuid_string);
+		wpabuf_printf(msg, "USN: uuid:%s\r\n", uuid_string);
+		break;
+	case 2:
+		wpabuf_printf(msg, "%s: urn:schemas-wifialliance-org:device:"
+			      "WFADevice:1\r\n", NTString);
+		wpabuf_printf(msg, "USN: uuid:%s::urn:schemas-wifialliance-"
+			      "org:device:WFADevice:1\r\n", uuid_string);
+		break;
+	case 3:
+		wpabuf_printf(msg, "%s: urn:schemas-wifialliance-org:service:"
+			      "WFAWLANConfig:1\r\n", NTString);
+		wpabuf_printf(msg, "USN: uuid:%s::urn:schemas-wifialliance-"
+			      "org:service:WFAWLANConfig:1\r\n", uuid_string);
+		break;
+	}
+	wpabuf_put_str(msg, "\r\n");
+
+	if (a->state + 1 >= 4 * UPNP_ADVERTISE_REPEAT)
+		*islast = 1;
+
+	return msg;
+
+fail:
+	wpabuf_free(msg);
+	return NULL;
+}
+
+
+static void advertisement_state_machine_handler(void *eloop_data,
+						void *user_ctx);
+
+
+/**
+ * advertisement_state_machine_stop - Stop SSDP advertisements
+ * @sm: WPS UPnP state machine from upnp_wps_device_init()
+ * @send_byebye: Send byebye advertisement messages immediately
+ */
+void advertisement_state_machine_stop(struct upnp_wps_device_sm *sm,
+				      int send_byebye)
+{
+	struct advertisement_state_machine *a = &sm->advertisement;
+	int islast = 0;
+	struct wpabuf *msg;
+	struct sockaddr_in dest;
+
+	eloop_cancel_timeout(advertisement_state_machine_handler, NULL, sm);
+	if (!send_byebye || sm->multicast_sd < 0)
+		return;
+
+	a->type = ADVERTISE_DOWN;
+	a->state = 0;
+
+	os_memset(&dest, 0, sizeof(dest));
+	dest.sin_family = AF_INET;
+	dest.sin_addr.s_addr = inet_addr(UPNP_MULTICAST_ADDRESS);
+	dest.sin_port = htons(UPNP_MULTICAST_PORT);
+
+	while (!islast) {
+		msg = next_advertisement(sm, a, &islast);
+		if (msg == NULL)
+			break;
+		if (sendto(sm->multicast_sd, wpabuf_head(msg), wpabuf_len(msg),
+			   0, (struct sockaddr *) &dest, sizeof(dest)) < 0) {
+			wpa_printf(MSG_INFO, "WPS UPnP: Advertisement sendto "
+				   "failed: %d (%s)", errno, strerror(errno));
+		}
+		wpabuf_free(msg);
+		a->state++;
+	}
+}
+
+
+static void advertisement_state_machine_handler(void *eloop_data,
+						void *user_ctx)
+{
+	struct upnp_wps_device_sm *sm = user_ctx;
+	struct advertisement_state_machine *a = &sm->advertisement;
+	struct wpabuf *msg;
+	int next_timeout_msec = 100;
+	int next_timeout_sec = 0;
+	struct sockaddr_in dest;
+	int islast = 0;
+
+	/*
+	 * Each is sent twice (in case lost) w/ 100 msec delay between;
+	 * spec says no more than 3 times.
+	 * One pair for rootdevice, one pair for uuid, and a pair each for
+	 * each of the two urns.
+	 * The entire sequence must be repeated before cache control timeout
+	 * (which  is min  1800 seconds),
+	 * recommend random portion of half of the advertised cache control age
+	 * to ensure against loss... perhaps 1800/4 + rand*1800/4 ?
+	 * Delay random interval < 100 msec prior to initial sending.
+	 * TTL of 4
+	 */
+
+	wpa_printf(MSG_MSGDUMP, "WPS UPnP: Advertisement state=%d", a->state);
+	msg = next_advertisement(sm, a, &islast);
+	if (msg == NULL)
+		return;
+
+	os_memset(&dest, 0, sizeof(dest));
+	dest.sin_family = AF_INET;
+	dest.sin_addr.s_addr = inet_addr(UPNP_MULTICAST_ADDRESS);
+	dest.sin_port = htons(UPNP_MULTICAST_PORT);
+
+	if (sendto(sm->multicast_sd, wpabuf_head(msg), wpabuf_len(msg), 0,
+		   (struct sockaddr *) &dest, sizeof(dest)) == -1) {
+		wpa_printf(MSG_ERROR, "WPS UPnP: Advertisement sendto failed:"
+			   "%d (%s)", errno, strerror(errno));
+		next_timeout_msec = 0;
+		next_timeout_sec = 10; /* ... later */
+	} else if (islast) {
+		a->state = 0; /* wrap around */
+		if (a->type == ADVERTISE_DOWN) {
+			wpa_printf(MSG_DEBUG, "WPS UPnP: ADVERTISE_DOWN->UP");
+			a->type = ADVERTISE_UP;
+			/* do it all over again right away */
+		} else {
+			u16 r;
+			/*
+			 * Start over again after a long timeout
+			 * (see notes above)
+			 */
+			next_timeout_msec = 0;
+			os_get_random((void *) &r, sizeof(r));
+			next_timeout_sec = UPNP_CACHE_SEC / 4 +
+				(((UPNP_CACHE_SEC / 4) * r) >> 16);
+			sm->advertise_count++;
+			wpa_printf(MSG_DEBUG, "WPS UPnP: ADVERTISE_UP (#%u); "
+				   "next in %d sec",
+				   sm->advertise_count, next_timeout_sec);
+		}
+	} else {
+		a->state++;
+	}
+
+	wpabuf_free(msg);
+
+	eloop_register_timeout(next_timeout_sec, next_timeout_msec,
+			       advertisement_state_machine_handler, NULL, sm);
+}
+
+
+/**
+ * advertisement_state_machine_start - Start SSDP advertisements
+ * @sm: WPS UPnP state machine from upnp_wps_device_init()
+ * Returns: 0 on success, -1 on failure
+ */
+int advertisement_state_machine_start(struct upnp_wps_device_sm *sm)
+{
+	struct advertisement_state_machine *a = &sm->advertisement;
+	int next_timeout_msec;
+
+	advertisement_state_machine_stop(sm, 0);
+
+	/*
+	 * Start out advertising down, this automatically switches
+	 * to advertising up which signals our restart.
+	 */
+	a->type = ADVERTISE_DOWN;
+	a->state = 0;
+	/* (other fields not used here) */
+
+	/* First timeout should be random interval < 100 msec */
+	next_timeout_msec = (100 * (os_random() & 0xFF)) >> 8;
+	return eloop_register_timeout(0, next_timeout_msec,
+				      advertisement_state_machine_handler,
+				      NULL, sm);
+}
+
+
+/***************************************************************************
+ * M-SEARCH replies
+ * These are very similar to the multicast advertisements, with some
+ * small changes in data content; and they are sent (UDP) to a specific
+ * unicast address instead of multicast.
+ * They are sent in response to a UDP M-SEARCH packet.
+ **************************************************************************/
+
+/**
+ * msearchreply_state_machine_stop - Stop M-SEARCH reply state machine
+ * @a: Selected advertisement/reply state
+ */
+void msearchreply_state_machine_stop(struct advertisement_state_machine *a)
+{
+	wpa_printf(MSG_DEBUG, "WPS UPnP: M-SEARCH stop");
+	dl_list_del(&a->list);
+	os_free(a);
+}
+
+
+static void msearchreply_state_machine_handler(void *eloop_data,
+					       void *user_ctx)
+{
+	struct advertisement_state_machine *a = user_ctx;
+	struct upnp_wps_device_sm *sm = eloop_data;
+	struct wpabuf *msg;
+	int next_timeout_msec = 100;
+	int next_timeout_sec = 0;
+	int islast = 0;
+
+	/*
+	 * Each response is sent twice (in case lost) w/ 100 msec delay
+	 * between; spec says no more than 3 times.
+	 * One pair for rootdevice, one pair for uuid, and a pair each for
+	 * each of the two urns.
+	 */
+
+	/* TODO: should only send the requested response types */
+
+	wpa_printf(MSG_MSGDUMP, "WPS UPnP: M-SEARCH reply state=%d (%s:%d)",
+		   a->state, inet_ntoa(a->client.sin_addr),
+		   ntohs(a->client.sin_port));
+	msg = next_advertisement(sm, a, &islast);
+	if (msg == NULL)
+		return;
+
+	/*
+	 * Send it on the multicast socket to avoid having to set up another
+	 * socket.
+	 */
+	if (sendto(sm->multicast_sd, wpabuf_head(msg), wpabuf_len(msg), 0,
+		   (struct sockaddr *) &a->client, sizeof(a->client)) < 0) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: M-SEARCH reply sendto "
+			   "errno %d (%s) for %s:%d",
+			   errno, strerror(errno),
+			   inet_ntoa(a->client.sin_addr),
+			   ntohs(a->client.sin_port));
+		/* Ignore error and hope for the best */
+	}
+	wpabuf_free(msg);
+	if (islast) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: M-SEARCH reply done");
+		msearchreply_state_machine_stop(a);
+		return;
+	}
+	a->state++;
+
+	wpa_printf(MSG_MSGDUMP, "WPS UPnP: M-SEARCH reply in %d.%03d sec",
+		   next_timeout_sec, next_timeout_msec);
+	eloop_register_timeout(next_timeout_sec, next_timeout_msec,
+			       msearchreply_state_machine_handler, sm, a);
+}
+
+
+/**
+ * msearchreply_state_machine_start - Reply to M-SEARCH discovery request
+ * @sm: WPS UPnP state machine from upnp_wps_device_init()
+ * @client: Client address
+ * @mx: Maximum delay in seconds
+ *
+ * Use TTL of 4 (this was done when socket set up).
+ * A response should be given in randomized portion of min(MX,120) seconds
+ *
+ * UPnP-arch-DeviceArchitecture, 1.2.3:
+ * To be found, a device must send a UDP response to the source IP address and
+ * port that sent the request to the multicast channel. Devices respond if the
+ * ST header of the M-SEARCH request is "ssdp:all", "upnp:rootdevice", "uuid:"
+ * followed by a UUID that exactly matches one advertised by the device.
+ */
+static void msearchreply_state_machine_start(struct upnp_wps_device_sm *sm,
+					     struct sockaddr_in *client,
+					     int mx)
+{
+	struct advertisement_state_machine *a;
+	int next_timeout_sec;
+	int next_timeout_msec;
+	int replies;
+
+	replies = dl_list_len(&sm->msearch_replies);
+	wpa_printf(MSG_DEBUG, "WPS UPnP: M-SEARCH reply start (%d "
+		   "outstanding)", replies);
+	if (replies >= MAX_MSEARCH) {
+		wpa_printf(MSG_INFO, "WPS UPnP: Too many outstanding "
+			   "M-SEARCH replies");
+		return;
+	}
+
+	a = os_zalloc(sizeof(*a));
+	if (a == NULL)
+		return;
+	a->type = MSEARCH_REPLY;
+	a->state = 0;
+	os_memcpy(&a->client, client, sizeof(*client));
+	/* Wait time depending on MX value */
+	next_timeout_msec = (1000 * mx * (os_random() & 0xFF)) >> 8;
+	next_timeout_sec = next_timeout_msec / 1000;
+	next_timeout_msec = next_timeout_msec % 1000;
+	if (eloop_register_timeout(next_timeout_sec, next_timeout_msec,
+				   msearchreply_state_machine_handler, sm,
+				   a)) {
+		/* No way to recover (from malloc failure) */
+		goto fail;
+	}
+	/* Remember for future cleanup */
+	dl_list_add(&sm->msearch_replies, &a->list);
+	return;
+
+fail:
+	wpa_printf(MSG_INFO, "WPS UPnP: M-SEARCH reply failure!");
+	eloop_cancel_timeout(msearchreply_state_machine_handler, sm, a);
+	os_free(a);
+}
+
+
+/**
+ * ssdp_parse_msearch - Process a received M-SEARCH
+ * @sm: WPS UPnP state machine from upnp_wps_device_init()
+ * @client: Client address
+ * @data: NULL terminated M-SEARCH message
+ *
+ * Given that we have received a header w/ M-SEARCH, act upon it
+ *
+ * Format of M-SEARCH (case insensitive!):
+ *
+ * First line must be:
+ *      M-SEARCH * HTTP/1.1
+ * Other lines in arbitrary order:
+ *      HOST:239.255.255.250:1900
+ *      ST:<varies -- must match>
+ *      MAN:"ssdp:discover"
+ *      MX:<varies>
+ *
+ * It should be noted that when Microsoft Vista is still learning its IP
+ * address, it sends out host lines like: HOST:[FF02::C]:1900
+ */
+static void ssdp_parse_msearch(struct upnp_wps_device_sm *sm,
+			       struct sockaddr_in *client, const char *data)
+{
+#ifndef CONFIG_NO_STDOUT_DEBUG
+	const char *start = data;
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+	const char *end;
+	int got_host = 0;
+	int got_st = 0, st_match = 0;
+	int got_man = 0;
+	int got_mx = 0;
+	int mx = 0;
+
+	/*
+	 * Skip first line M-SEARCH * HTTP/1.1
+	 * (perhaps we should check remainder of the line for syntax)
+	 */
+	data += line_length(data);
+
+	/* Parse remaining lines */
+	for (; *data != '\0'; data += line_length(data)) {
+		end = data + line_length_stripped(data);
+		if (token_eq(data, "host")) {
+			/* The host line indicates who the packet
+			 * is addressed to... but do we really care?
+			 * Note that Microsoft sometimes does funny
+			 * stuff with the HOST: line.
+			 */
+#if 0   /* could be */
+			data += token_length(data);
+			data += word_separation_length(data);
+			if (*data != ':')
+				goto bad;
+			data++;
+			data += word_separation_length(data);
+			/* UPNP_MULTICAST_ADDRESS */
+			if (!str_starts(data, "239.255.255.250"))
+				goto bad;
+			data += os_strlen("239.255.255.250");
+			if (*data == ':') {
+				if (!str_starts(data, ":1900"))
+					goto bad;
+			}
+#endif  /* could be */
+			got_host = 1;
+			continue;
+		} else if (token_eq(data, "st")) {
+			/* There are a number of forms; we look
+			 * for one that matches our case.
+			 */
+			got_st = 1;
+			data += token_length(data);
+			data += word_separation_length(data);
+			if (*data != ':')
+				continue;
+			data++;
+			data += word_separation_length(data);
+			if (str_starts(data, "ssdp:all")) {
+				st_match = 1;
+				continue;
+			}
+			if (str_starts(data, "upnp:rootdevice")) {
+				st_match = 1;
+				continue;
+			}
+			if (str_starts(data, "uuid:")) {
+				char uuid_string[80];
+				struct upnp_wps_device_interface *iface;
+				iface = dl_list_first(
+					&sm->interfaces,
+					struct upnp_wps_device_interface,
+					list);
+				data += os_strlen("uuid:");
+				uuid_bin2str(iface->wps->uuid, uuid_string,
+					     sizeof(uuid_string));
+				if (str_starts(data, uuid_string))
+					st_match = 1;
+				continue;
+			}
+#if 0
+			/* FIX: should we really reply to IGD string? */
+			if (str_starts(data, "urn:schemas-upnp-org:device:"
+				       "InternetGatewayDevice:1")) {
+				st_match = 1;
+				continue;
+			}
+#endif
+			if (str_starts(data, "urn:schemas-wifialliance-org:"
+				       "service:WFAWLANConfig:1")) {
+				st_match = 1;
+				continue;
+			}
+			if (str_starts(data, "urn:schemas-wifialliance-org:"
+				       "device:WFADevice:1")) {
+				st_match = 1;
+				continue;
+			}
+			continue;
+		} else if (token_eq(data, "man")) {
+			data += token_length(data);
+			data += word_separation_length(data);
+			if (*data != ':')
+				continue;
+			data++;
+			data += word_separation_length(data);
+			if (!str_starts(data, "\"ssdp:discover\"")) {
+				wpa_printf(MSG_DEBUG, "WPS UPnP: Unexpected "
+					   "M-SEARCH man-field");
+				goto bad;
+			}
+			got_man = 1;
+			continue;
+		} else if (token_eq(data, "mx")) {
+			data += token_length(data);
+			data += word_separation_length(data);
+			if (*data != ':')
+				continue;
+			data++;
+			data += word_separation_length(data);
+			mx = atol(data);
+			got_mx = 1;
+			continue;
+		}
+		/* ignore anything else */
+	}
+	if (!got_host || !got_st || !got_man || !got_mx || mx < 0) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Invalid M-SEARCH: %d %d %d "
+			   "%d mx=%d", got_host, got_st, got_man, got_mx, mx);
+		goto bad;
+	}
+	if (!st_match) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Ignored M-SEARCH (no ST "
+			   "match)");
+		return;
+	}
+	if (mx > 120)
+		mx = 120; /* UPnP-arch-DeviceArchitecture, 1.2.3 */
+	msearchreply_state_machine_start(sm, client, mx);
+	return;
+
+bad:
+	wpa_printf(MSG_INFO, "WPS UPnP: Failed to parse M-SEARCH");
+	wpa_printf(MSG_MSGDUMP, "WPS UPnP: M-SEARCH data:\n%s", start);
+}
+
+
+/* Listening for (UDP) discovery (M-SEARCH) packets */
+
+/**
+ * ssdp_listener_stop - Stop SSDP listered
+ * @sm: WPS UPnP state machine from upnp_wps_device_init()
+ *
+ * This function stops the SSDP listener that was started by calling
+ * ssdp_listener_start().
+ */
+void ssdp_listener_stop(struct upnp_wps_device_sm *sm)
+{
+	if (sm->ssdp_sd_registered) {
+		eloop_unregister_sock(sm->ssdp_sd, EVENT_TYPE_READ);
+		sm->ssdp_sd_registered = 0;
+	}
+
+	if (sm->ssdp_sd != -1) {
+		close(sm->ssdp_sd);
+		sm->ssdp_sd = -1;
+	}
+
+	eloop_cancel_timeout(msearchreply_state_machine_handler, sm,
+			     ELOOP_ALL_CTX);
+}
+
+
+static void ssdp_listener_handler(int sd, void *eloop_ctx, void *sock_ctx)
+{
+	struct upnp_wps_device_sm *sm = sock_ctx;
+	struct sockaddr_in addr; /* client address */
+	socklen_t addr_len;
+	int nread;
+	char buf[MULTICAST_MAX_READ], *pos;
+
+	addr_len = sizeof(addr);
+	nread = recvfrom(sm->ssdp_sd, buf, sizeof(buf) - 1, 0,
+			 (struct sockaddr *) &addr, &addr_len);
+	if (nread <= 0)
+		return;
+	buf[nread] = '\0'; /* need null termination for algorithm */
+
+	if (str_starts(buf, "NOTIFY ")) {
+		/*
+		 * Silently ignore NOTIFYs to avoid filling debug log with
+		 * unwanted messages.
+		 */
+		return;
+	}
+
+	pos = os_strchr(buf, '\n');
+	if (pos)
+		*pos = '\0';
+	wpa_printf(MSG_MSGDUMP, "WPS UPnP: Received SSDP packet from %s:%d: "
+		   "%s", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port), buf);
+	if (pos)
+		*pos = '\n';
+
+	/* Parse first line */
+	if (os_strncasecmp(buf, "M-SEARCH", os_strlen("M-SEARCH")) == 0 &&
+	    !isgraph(buf[strlen("M-SEARCH")])) {
+		ssdp_parse_msearch(sm, &addr, buf);
+		return;
+	}
+
+	/* Ignore anything else */
+}
+
+
+int ssdp_listener_open(void)
+{
+	struct sockaddr_in addr;
+	struct ip_mreq mcast_addr;
+	int on = 1;
+	/* per UPnP spec, keep IP packet time to live (TTL) small */
+	unsigned char ttl = 4;
+	int sd;
+
+	sd = socket(AF_INET, SOCK_DGRAM, 0);
+	if (sd < 0)
+		goto fail;
+	if (fcntl(sd, F_SETFL, O_NONBLOCK) != 0)
+		goto fail;
+	if (setsockopt(sd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)))
+		goto fail;
+	os_memset(&addr, 0, sizeof(addr));
+	addr.sin_family = AF_INET;
+	addr.sin_addr.s_addr = htonl(INADDR_ANY);
+	addr.sin_port = htons(UPNP_MULTICAST_PORT);
+	if (bind(sd, (struct sockaddr *) &addr, sizeof(addr)))
+		goto fail;
+	os_memset(&mcast_addr, 0, sizeof(mcast_addr));
+	mcast_addr.imr_interface.s_addr = htonl(INADDR_ANY);
+	mcast_addr.imr_multiaddr.s_addr = inet_addr(UPNP_MULTICAST_ADDRESS);
+	if (setsockopt(sd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
+		       (char *) &mcast_addr, sizeof(mcast_addr)))
+		goto fail;
+	if (setsockopt(sd, IPPROTO_IP, IP_MULTICAST_TTL,
+		       &ttl, sizeof(ttl)))
+		goto fail;
+
+	return sd;
+
+fail:
+	if (sd >= 0)
+		close(sd);
+	return -1;
+}
+
+
+/**
+ * ssdp_listener_start - Set up for receiving discovery (UDP) packets
+ * @sm: WPS UPnP state machine from upnp_wps_device_init()
+ * Returns: 0 on success, -1 on failure
+ *
+ * The SSDP listener is stopped by calling ssdp_listener_stop().
+ */
+int ssdp_listener_start(struct upnp_wps_device_sm *sm)
+{
+	sm->ssdp_sd = ssdp_listener_open();
+
+	if (eloop_register_sock(sm->ssdp_sd, EVENT_TYPE_READ,
+				ssdp_listener_handler, NULL, sm))
+		goto fail;
+	sm->ssdp_sd_registered = 1;
+	return 0;
+
+fail:
+	/* Error */
+	wpa_printf(MSG_ERROR, "WPS UPnP: ssdp_listener_start failed");
+	ssdp_listener_stop(sm);
+	return -1;
+}
+
+
+/**
+ * add_ssdp_network - Add routing entry for SSDP
+ * @net_if: Selected network interface name
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function assures that the multicast address will be properly
+ * handled by Linux networking code (by a modification to routing tables).
+ * This must be done per network interface. It really only needs to be done
+ * once after booting up, but it does not hurt to call this more frequently
+ * "to be safe".
+ */
+int add_ssdp_network(const char *net_if)
+{
+#ifdef __linux__
+	int ret = -1;
+	int sock = -1;
+	struct rtentry rt;
+	struct sockaddr_in *sin;
+
+	if (!net_if)
+		goto fail;
+
+	os_memset(&rt, 0, sizeof(rt));
+	sock = socket(AF_INET, SOCK_DGRAM, 0);
+	if (sock < 0)
+		goto fail;
+
+	rt.rt_dev = (char *) net_if;
+	sin = aliasing_hide_typecast(&rt.rt_dst, struct sockaddr_in);
+	sin->sin_family = AF_INET;
+	sin->sin_port = 0;
+	sin->sin_addr.s_addr = inet_addr(SSDP_TARGET);
+	sin = aliasing_hide_typecast(&rt.rt_genmask, struct sockaddr_in);
+	sin->sin_family = AF_INET;
+	sin->sin_port = 0;
+	sin->sin_addr.s_addr = inet_addr(SSDP_NETMASK);
+	rt.rt_flags = RTF_UP;
+	if (ioctl(sock, SIOCADDRT, &rt) < 0) {
+		if (errno == EPERM) {
+			wpa_printf(MSG_DEBUG, "add_ssdp_network: No "
+				   "permissions to add routing table entry");
+			/* Continue to allow testing as non-root */
+		} else if (errno != EEXIST) {
+			wpa_printf(MSG_INFO, "add_ssdp_network() ioctl errno "
+				   "%d (%s)", errno, strerror(errno));
+			goto fail;
+		}
+	}
+
+	ret = 0;
+
+fail:
+	if (sock >= 0)
+		close(sock);
+
+	return ret;
+#else /* __linux__ */
+	return 0;
+#endif /* __linux__ */
+}
+
+
+int ssdp_open_multicast_sock(u32 ip_addr)
+{
+	int sd;
+	 /* per UPnP-arch-DeviceArchitecture, 1. Discovery, keep IP packet
+	  * time to live (TTL) small */
+	unsigned char ttl = 4;
+
+	sd = socket(AF_INET, SOCK_DGRAM, 0);
+	if (sd < 0)
+		return -1;
+
+#if 0   /* maybe ok if we sometimes block on writes */
+	if (fcntl(sd, F_SETFL, O_NONBLOCK) != 0)
+		return -1;
+#endif
+
+	if (setsockopt(sd, IPPROTO_IP, IP_MULTICAST_IF,
+		       &ip_addr, sizeof(ip_addr))) {
+		wpa_printf(MSG_DEBUG, "WPS: setsockopt(IP_MULTICAST_IF) %x: "
+			   "%d (%s)", ip_addr, errno, strerror(errno));
+		return -1;
+	}
+	if (setsockopt(sd, IPPROTO_IP, IP_MULTICAST_TTL,
+		       &ttl, sizeof(ttl))) {
+		wpa_printf(MSG_DEBUG, "WPS: setsockopt(IP_MULTICAST_TTL): "
+			   "%d (%s)", errno, strerror(errno));
+		return -1;
+	}
+
+#if 0   /* not needed, because we don't receive using multicast_sd */
+	{
+		struct ip_mreq mreq;
+		mreq.imr_multiaddr.s_addr = inet_addr(UPNP_MULTICAST_ADDRESS);
+		mreq.imr_interface.s_addr = ip_addr;
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Multicast addr 0x%x if addr "
+			   "0x%x",
+			   mreq.imr_multiaddr.s_addr,
+			   mreq.imr_interface.s_addr);
+		if (setsockopt(sd, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq,
+				sizeof(mreq))) {
+			wpa_printf(MSG_ERROR,
+				   "WPS UPnP: setsockopt "
+				   "IP_ADD_MEMBERSHIP errno %d (%s)",
+				   errno, strerror(errno));
+			return -1;
+		}
+	}
+#endif  /* not needed */
+
+	/*
+	 * TODO: What about IP_MULTICAST_LOOP? It seems to be on by default?
+	 * which aids debugging I suppose but isn't really necessary?
+	 */
+
+	return sd;
+}
+
+
+/**
+ * ssdp_open_multicast - Open socket for sending multicast SSDP messages
+ * @sm: WPS UPnP state machine from upnp_wps_device_init()
+ * Returns: 0 on success, -1 on failure
+ */
+int ssdp_open_multicast(struct upnp_wps_device_sm *sm)
+{
+	sm->multicast_sd = ssdp_open_multicast_sock(sm->ip_addr);
+	if (sm->multicast_sd < 0)
+		return -1;
+	return 0;
+}
diff --git a/src/wps/wps_upnp_web.c b/src/wps/wps_upnp_web.c
new file mode 100644
index 0000000..917f60b
--- /dev/null
+++ b/src/wps/wps_upnp_web.c
@@ -0,0 +1,1324 @@
+/*
+ * UPnP WPS Device - Web connections
+ * Copyright (c) 2000-2003 Intel Corporation
+ * Copyright (c) 2006-2007 Sony Corporation
+ * Copyright (c) 2008-2009 Atheros Communications
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * See wps_upnp.c for more details on licensing and code history.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "base64.h"
+#include "uuid.h"
+#include "httpread.h"
+#include "http_server.h"
+#include "wps_i.h"
+#include "wps_upnp.h"
+#include "wps_upnp_i.h"
+#include "upnp_xml.h"
+
+/***************************************************************************
+ * Web connections (we serve pages of info about ourselves, handle
+ * requests, etc. etc.).
+ **************************************************************************/
+
+#define WEB_CONNECTION_TIMEOUT_SEC 30   /* Drop web connection after t.o. */
+#define WEB_CONNECTION_MAX_READ 8000    /* Max we'll read for TCP request */
+#define MAX_WEB_CONNECTIONS 10          /* max simultaneous web connects */
+
+
+static const char *urn_wfawlanconfig =
+	"urn:schemas-wifialliance-org:service:WFAWLANConfig:1";
+static const char *http_server_hdr =
+	"Server: unspecified, UPnP/1.0, unspecified\r\n";
+static const char *http_connection_close =
+	"Connection: close\r\n";
+
+/*
+ * "Files" that we serve via HTTP. The format of these files is given by
+ * WFA WPS specifications. Extra white space has been removed to save space.
+ */
+
+static const char wps_scpd_xml[] =
+"<?xml version=\"1.0\"?>\n"
+"<scpd xmlns=\"urn:schemas-upnp-org:service-1-0\">\n"
+"<specVersion><major>1</major><minor>0</minor></specVersion>\n"
+"<actionList>\n"
+"<action>\n"
+"<name>GetDeviceInfo</name>\n"
+"<argumentList>\n"
+"<argument>\n"
+"<name>NewDeviceInfo</name>\n"
+"<direction>out</direction>\n"
+"<relatedStateVariable>DeviceInfo</relatedStateVariable>\n"
+"</argument>\n"
+"</argumentList>\n"
+"</action>\n"
+"<action>\n"
+"<name>PutMessage</name>\n"
+"<argumentList>\n"
+"<argument>\n"
+"<name>NewInMessage</name>\n"
+"<direction>in</direction>\n"
+"<relatedStateVariable>InMessage</relatedStateVariable>\n"
+"</argument>\n"
+"<argument>\n"
+"<name>NewOutMessage</name>\n"
+"<direction>out</direction>\n"
+"<relatedStateVariable>OutMessage</relatedStateVariable>\n"
+"</argument>\n"
+"</argumentList>\n"
+"</action>\n"
+"<action>\n"
+"<name>PutWLANResponse</name>\n"
+"<argumentList>\n"
+"<argument>\n"
+"<name>NewMessage</name>\n"
+"<direction>in</direction>\n"
+"<relatedStateVariable>Message</relatedStateVariable>\n"
+"</argument>\n"
+"<argument>\n"
+"<name>NewWLANEventType</name>\n"
+"<direction>in</direction>\n"
+"<relatedStateVariable>WLANEventType</relatedStateVariable>\n"
+"</argument>\n"
+"<argument>\n"
+"<name>NewWLANEventMAC</name>\n"
+"<direction>in</direction>\n"
+"<relatedStateVariable>WLANEventMAC</relatedStateVariable>\n"
+"</argument>\n"
+"</argumentList>\n"
+"</action>\n"
+"<action>\n"
+"<name>SetSelectedRegistrar</name>\n"
+"<argumentList>\n"
+"<argument>\n"
+"<name>NewMessage</name>\n"
+"<direction>in</direction>\n"
+"<relatedStateVariable>Message</relatedStateVariable>\n"
+"</argument>\n"
+"</argumentList>\n"
+"</action>\n"
+"</actionList>\n"
+"<serviceStateTable>\n"
+"<stateVariable sendEvents=\"no\">\n"
+"<name>Message</name>\n"
+"<dataType>bin.base64</dataType>\n"
+"</stateVariable>\n"
+"<stateVariable sendEvents=\"no\">\n"
+"<name>InMessage</name>\n"
+"<dataType>bin.base64</dataType>\n"
+"</stateVariable>\n"
+"<stateVariable sendEvents=\"no\">\n"
+"<name>OutMessage</name>\n"
+"<dataType>bin.base64</dataType>\n"
+"</stateVariable>\n"
+"<stateVariable sendEvents=\"no\">\n"
+"<name>DeviceInfo</name>\n"
+"<dataType>bin.base64</dataType>\n"
+"</stateVariable>\n"
+"<stateVariable sendEvents=\"yes\">\n"
+"<name>APStatus</name>\n"
+"<dataType>ui1</dataType>\n"
+"</stateVariable>\n"
+"<stateVariable sendEvents=\"yes\">\n"
+"<name>STAStatus</name>\n"
+"<dataType>ui1</dataType>\n"
+"</stateVariable>\n"
+"<stateVariable sendEvents=\"yes\">\n"
+"<name>WLANEvent</name>\n"
+"<dataType>bin.base64</dataType>\n"
+"</stateVariable>\n"
+"<stateVariable sendEvents=\"no\">\n"
+"<name>WLANEventType</name>\n"
+"<dataType>ui1</dataType>\n"
+"</stateVariable>\n"
+"<stateVariable sendEvents=\"no\">\n"
+"<name>WLANEventMAC</name>\n"
+"<dataType>string</dataType>\n"
+"</stateVariable>\n"
+"<stateVariable sendEvents=\"no\">\n"
+"<name>WLANResponse</name>\n"
+"<dataType>bin.base64</dataType>\n"
+"</stateVariable>\n"
+"</serviceStateTable>\n"
+"</scpd>\n"
+;
+
+
+static const char *wps_device_xml_prefix =
+	"<?xml version=\"1.0\"?>\n"
+	"<root xmlns=\"urn:schemas-upnp-org:device-1-0\">\n"
+	"<specVersion>\n"
+	"<major>1</major>\n"
+	"<minor>0</minor>\n"
+	"</specVersion>\n"
+	"<device>\n"
+	"<deviceType>urn:schemas-wifialliance-org:device:WFADevice:1"
+	"</deviceType>\n";
+
+static const char *wps_device_xml_postfix =
+	"<serviceList>\n"
+	"<service>\n"
+	"<serviceType>urn:schemas-wifialliance-org:service:WFAWLANConfig:1"
+	"</serviceType>\n"
+	"<serviceId>urn:wifialliance-org:serviceId:WFAWLANConfig1</serviceId>"
+	"\n"
+	"<SCPDURL>" UPNP_WPS_SCPD_XML_FILE "</SCPDURL>\n"
+	"<controlURL>" UPNP_WPS_DEVICE_CONTROL_FILE "</controlURL>\n"
+	"<eventSubURL>" UPNP_WPS_DEVICE_EVENT_FILE "</eventSubURL>\n"
+	"</service>\n"
+	"</serviceList>\n"
+	"</device>\n"
+	"</root>\n";
+
+
+/* format_wps_device_xml -- produce content of "file" wps_device.xml
+ * (UPNP_WPS_DEVICE_XML_FILE)
+ */
+static void format_wps_device_xml(struct upnp_wps_device_sm *sm,
+				  struct wpabuf *buf)
+{
+	const char *s;
+	char uuid_string[80];
+	struct upnp_wps_device_interface *iface;
+
+	iface = dl_list_first(&sm->interfaces,
+			      struct upnp_wps_device_interface, list);
+
+	wpabuf_put_str(buf, wps_device_xml_prefix);
+
+	/*
+	 * Add required fields with default values if not configured. Add
+	 * optional and recommended fields only if configured.
+	 */
+	s = iface->wps->friendly_name;
+	s = ((s && *s) ? s : "WPS Access Point");
+	xml_add_tagged_data(buf, "friendlyName", s);
+
+	s = iface->wps->dev.manufacturer;
+	s = ((s && *s) ? s : "");
+	xml_add_tagged_data(buf, "manufacturer", s);
+
+	if (iface->wps->manufacturer_url)
+		xml_add_tagged_data(buf, "manufacturerURL",
+				    iface->wps->manufacturer_url);
+
+	if (iface->wps->model_description)
+		xml_add_tagged_data(buf, "modelDescription",
+				    iface->wps->model_description);
+
+	s = iface->wps->dev.model_name;
+	s = ((s && *s) ? s : "");
+	xml_add_tagged_data(buf, "modelName", s);
+
+	if (iface->wps->dev.model_number)
+		xml_add_tagged_data(buf, "modelNumber",
+				    iface->wps->dev.model_number);
+
+	if (iface->wps->model_url)
+		xml_add_tagged_data(buf, "modelURL", iface->wps->model_url);
+
+	if (iface->wps->dev.serial_number)
+		xml_add_tagged_data(buf, "serialNumber",
+				    iface->wps->dev.serial_number);
+
+	uuid_bin2str(iface->wps->uuid, uuid_string, sizeof(uuid_string));
+	s = uuid_string;
+	/* Need "uuid:" prefix, thus we can't use xml_add_tagged_data()
+	 * easily...
+	 */
+	wpabuf_put_str(buf, "<UDN>uuid:");
+	xml_data_encode(buf, s, os_strlen(s));
+	wpabuf_put_str(buf, "</UDN>\n");
+
+	if (iface->wps->upc)
+		xml_add_tagged_data(buf, "UPC", iface->wps->upc);
+
+	wpabuf_put_str(buf, wps_device_xml_postfix);
+}
+
+
+static void http_put_reply_code(struct wpabuf *buf, enum http_reply_code code)
+{
+	wpabuf_put_str(buf, "HTTP/1.1 ");
+	switch (code) {
+	case HTTP_OK:
+		wpabuf_put_str(buf, "200 OK\r\n");
+		break;
+	case HTTP_BAD_REQUEST:
+		wpabuf_put_str(buf, "400 Bad request\r\n");
+		break;
+	case HTTP_PRECONDITION_FAILED:
+		wpabuf_put_str(buf, "412 Precondition failed\r\n");
+		break;
+	case HTTP_UNIMPLEMENTED:
+		wpabuf_put_str(buf, "501 Unimplemented\r\n");
+		break;
+	case HTTP_INTERNAL_SERVER_ERROR:
+	default:
+		wpabuf_put_str(buf, "500 Internal server error\r\n");
+		break;
+	}
+}
+
+
+static void http_put_date(struct wpabuf *buf)
+{
+	wpabuf_put_str(buf, "Date: ");
+	format_date(buf);
+	wpabuf_put_str(buf, "\r\n");
+}
+
+
+static void http_put_empty(struct wpabuf *buf, enum http_reply_code code)
+{
+	http_put_reply_code(buf, code);
+	wpabuf_put_str(buf, http_server_hdr);
+	wpabuf_put_str(buf, http_connection_close);
+	wpabuf_put_str(buf, "Content-Length: 0\r\n"
+		       "\r\n");
+}
+
+
+/* Given that we have received a header w/ GET, act upon it
+ *
+ * Format of GET (case-insensitive):
+ *
+ * First line must be:
+ *      GET /<file> HTTP/1.1
+ * Since we don't do anything fancy we just ignore other lines.
+ *
+ * Our response (if no error) which includes only required lines is:
+ * HTTP/1.1 200 OK
+ * Connection: close
+ * Content-Type: text/xml
+ * Date: <rfc1123-date>
+ *
+ * Header lines must end with \r\n
+ * Per RFC 2616, content-length: is not required but connection:close
+ * would appear to be required (given that we will be closing it!).
+ */
+static void web_connection_parse_get(struct upnp_wps_device_sm *sm,
+				     struct http_request *hreq, char *filename)
+{
+	struct wpabuf *buf; /* output buffer, allocated */
+	char *put_length_here;
+	char *body_start;
+	enum {
+		GET_DEVICE_XML_FILE,
+		GET_SCPD_XML_FILE
+	} req;
+	size_t extra_len = 0;
+	int body_length;
+	char len_buf[10];
+	struct upnp_wps_device_interface *iface;
+
+	iface = dl_list_first(&sm->interfaces,
+			      struct upnp_wps_device_interface, list);
+
+	/*
+	 * It is not required that filenames be case insensitive but it is
+	 * allowed and cannot hurt here.
+	 */
+	if (filename == NULL)
+		filename = "(null)"; /* just in case */
+	if (os_strcasecmp(filename, UPNP_WPS_DEVICE_XML_FILE) == 0) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: HTTP GET for device XML");
+		req = GET_DEVICE_XML_FILE;
+		extra_len = 3000;
+		if (iface->wps->friendly_name)
+			extra_len += os_strlen(iface->wps->friendly_name);
+		if (iface->wps->manufacturer_url)
+			extra_len += os_strlen(iface->wps->manufacturer_url);
+		if (iface->wps->model_description)
+			extra_len += os_strlen(iface->wps->model_description);
+		if (iface->wps->model_url)
+			extra_len += os_strlen(iface->wps->model_url);
+		if (iface->wps->upc)
+			extra_len += os_strlen(iface->wps->upc);
+	} else if (!os_strcasecmp(filename, UPNP_WPS_SCPD_XML_FILE)) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: HTTP GET for SCPD XML");
+		req = GET_SCPD_XML_FILE;
+		extra_len = os_strlen(wps_scpd_xml);
+	} else {
+		/* File not found */
+		wpa_printf(MSG_DEBUG, "WPS UPnP: HTTP GET file not found: %s",
+			   filename);
+		buf = wpabuf_alloc(200);
+		if (buf == NULL) {
+			http_request_deinit(hreq);
+			return;
+		}
+		wpabuf_put_str(buf,
+			       "HTTP/1.1 404 Not Found\r\n"
+			       "Connection: close\r\n");
+
+		http_put_date(buf);
+
+		/* terminating empty line */
+		wpabuf_put_str(buf, "\r\n");
+
+		goto send_buf;
+	}
+
+	buf = wpabuf_alloc(1000 + extra_len);
+	if (buf == NULL) {
+		http_request_deinit(hreq);
+		return;
+	}
+
+	wpabuf_put_str(buf,
+		       "HTTP/1.1 200 OK\r\n"
+		       "Content-Type: text/xml; charset=\"utf-8\"\r\n");
+	wpabuf_put_str(buf, "Server: Unspecified, UPnP/1.0, Unspecified\r\n");
+	wpabuf_put_str(buf, "Connection: close\r\n");
+	wpabuf_put_str(buf, "Content-Length: ");
+	/*
+	 * We will paste the length in later, leaving some extra whitespace.
+	 * HTTP code is supposed to be tolerant of extra whitespace.
+	 */
+	put_length_here = wpabuf_put(buf, 0);
+	wpabuf_put_str(buf, "        \r\n");
+
+	http_put_date(buf);
+
+	/* terminating empty line */
+	wpabuf_put_str(buf, "\r\n");
+
+	body_start = wpabuf_put(buf, 0);
+
+	switch (req) {
+	case GET_DEVICE_XML_FILE:
+		format_wps_device_xml(sm, buf);
+		break;
+	case GET_SCPD_XML_FILE:
+		wpabuf_put_str(buf, wps_scpd_xml);
+		break;
+	}
+
+	/* Now patch in the content length at the end */
+	body_length = (char *) wpabuf_put(buf, 0) - body_start;
+	os_snprintf(len_buf, 10, "%d", body_length);
+	os_memcpy(put_length_here, len_buf, os_strlen(len_buf));
+
+send_buf:
+	http_request_send_and_deinit(hreq, buf);
+}
+
+
+static enum http_reply_code
+web_process_get_device_info(struct upnp_wps_device_sm *sm,
+			    struct wpabuf **reply, const char **replyname)
+{
+	static const char *name = "NewDeviceInfo";
+	struct wps_config cfg;
+	struct upnp_wps_device_interface *iface;
+	struct upnp_wps_peer *peer;
+
+	iface = dl_list_first(&sm->interfaces,
+			      struct upnp_wps_device_interface, list);
+	peer = &iface->peer;
+
+	wpa_printf(MSG_DEBUG, "WPS UPnP: GetDeviceInfo");
+
+	if (iface->ctx->ap_pin == NULL)
+		return HTTP_INTERNAL_SERVER_ERROR;
+
+	/*
+	 * Request for DeviceInfo, i.e., M1 TLVs. This is a start of WPS
+	 * registration over UPnP with the AP acting as an Enrollee. It should
+	 * be noted that this is frequently used just to get the device data,
+	 * i.e., there may not be any intent to actually complete the
+	 * registration.
+	 */
+
+	if (peer->wps)
+		wps_deinit(peer->wps);
+
+	os_memset(&cfg, 0, sizeof(cfg));
+	cfg.wps = iface->wps;
+	cfg.pin = (u8 *) iface->ctx->ap_pin;
+	cfg.pin_len = os_strlen(iface->ctx->ap_pin);
+	peer->wps = wps_init(&cfg);
+	if (peer->wps) {
+		enum wsc_op_code op_code;
+		*reply = wps_get_msg(peer->wps, &op_code);
+		if (*reply == NULL) {
+			wps_deinit(peer->wps);
+			peer->wps = NULL;
+		}
+	} else
+		*reply = NULL;
+	if (*reply == NULL) {
+		wpa_printf(MSG_INFO, "WPS UPnP: Failed to get DeviceInfo");
+		return HTTP_INTERNAL_SERVER_ERROR;
+	}
+	*replyname = name;
+	return HTTP_OK;
+}
+
+
+static enum http_reply_code
+web_process_put_message(struct upnp_wps_device_sm *sm, char *data,
+			struct wpabuf **reply, const char **replyname)
+{
+	struct wpabuf *msg;
+	static const char *name = "NewOutMessage";
+	enum http_reply_code ret;
+	enum wps_process_res res;
+	enum wsc_op_code op_code;
+	struct upnp_wps_device_interface *iface;
+
+	iface = dl_list_first(&sm->interfaces,
+			      struct upnp_wps_device_interface, list);
+
+	/*
+	 * PutMessage is used by external UPnP-based Registrar to perform WPS
+	 * operation with the access point itself; as compared with
+	 * PutWLANResponse which is for proxying.
+	 */
+	wpa_printf(MSG_DEBUG, "WPS UPnP: PutMessage");
+	msg = xml_get_base64_item(data, "NewInMessage", &ret);
+	if (msg == NULL)
+		return ret;
+	res = wps_process_msg(iface->peer.wps, WSC_UPnP, msg);
+	if (res == WPS_FAILURE)
+		*reply = NULL;
+	else
+		*reply = wps_get_msg(iface->peer.wps, &op_code);
+	wpabuf_free(msg);
+	if (*reply == NULL)
+		return HTTP_INTERNAL_SERVER_ERROR;
+	*replyname = name;
+	return HTTP_OK;
+}
+
+
+static enum http_reply_code
+web_process_put_wlan_response(struct upnp_wps_device_sm *sm, char *data,
+			      struct wpabuf **reply, const char **replyname)
+{
+	struct wpabuf *msg;
+	enum http_reply_code ret;
+	u8 macaddr[ETH_ALEN];
+	int ev_type;
+	int type;
+	char *val;
+	struct upnp_wps_device_interface *iface;
+	int ok = 0;
+
+	/*
+	 * External UPnP-based Registrar is passing us a message to be proxied
+	 * over to a Wi-Fi -based client of ours.
+	 */
+
+	wpa_printf(MSG_DEBUG, "WPS UPnP: PutWLANResponse");
+	msg = xml_get_base64_item(data, "NewMessage", &ret);
+	if (msg == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Could not extract NewMessage "
+			   "from PutWLANResponse");
+		return ret;
+	}
+	val = xml_get_first_item(data, "NewWLANEventType");
+	if (val == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: No NewWLANEventType in "
+			   "PutWLANResponse");
+		wpabuf_free(msg);
+		return UPNP_ARG_VALUE_INVALID;
+	}
+	ev_type = atol(val);
+	os_free(val);
+	val = xml_get_first_item(data, "NewWLANEventMAC");
+	if (val == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: No NewWLANEventMAC in "
+			   "PutWLANResponse");
+		wpabuf_free(msg);
+		return UPNP_ARG_VALUE_INVALID;
+	}
+	if (hwaddr_aton(val, macaddr)) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Invalid NewWLANEventMAC in "
+			   "PutWLANResponse: '%s'", val);
+#ifdef CONFIG_WPS_STRICT
+		{
+			struct wps_parse_attr attr;
+			if (wps_parse_msg(msg, &attr) < 0 || attr.version2) {
+				wpabuf_free(msg);
+				os_free(val);
+				return UPNP_ARG_VALUE_INVALID;
+			}
+		}
+#endif /* CONFIG_WPS_STRICT */
+		if (hwaddr_aton2(val, macaddr) > 0) {
+			/*
+			 * At least some versions of Intel PROset seem to be
+			 * using dot-deliminated MAC address format here.
+			 */
+			wpa_printf(MSG_DEBUG, "WPS UPnP: Workaround - allow "
+				   "incorrect MAC address format in "
+				   "NewWLANEventMAC: %s -> " MACSTR,
+				   val, MAC2STR(macaddr));
+		} else {
+			wpabuf_free(msg);
+			os_free(val);
+			return UPNP_ARG_VALUE_INVALID;
+		}
+	}
+	os_free(val);
+	if (ev_type == UPNP_WPS_WLANEVENT_TYPE_EAP) {
+		struct wps_parse_attr attr;
+		if (wps_parse_msg(msg, &attr) < 0 ||
+		    attr.msg_type == NULL)
+			type = -1;
+		else
+			type = *attr.msg_type;
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Message Type %d", type);
+	} else
+		type = -1;
+	dl_list_for_each(iface, &sm->interfaces,
+			 struct upnp_wps_device_interface, list) {
+		if (iface->ctx->rx_req_put_wlan_response &&
+		    iface->ctx->rx_req_put_wlan_response(iface->priv, ev_type,
+							 macaddr, msg, type)
+		    == 0)
+			ok = 1;
+	}
+
+	if (!ok) {
+		wpa_printf(MSG_INFO, "WPS UPnP: Fail: sm->ctx->"
+			   "rx_req_put_wlan_response");
+		wpabuf_free(msg);
+		return HTTP_INTERNAL_SERVER_ERROR;
+	}
+	wpabuf_free(msg);
+	*replyname = NULL;
+	*reply = NULL;
+	return HTTP_OK;
+}
+
+
+static int find_er_addr(struct subscription *s, struct sockaddr_in *cli)
+{
+	struct subscr_addr *a;
+
+	dl_list_for_each(a, &s->addr_list, struct subscr_addr, list) {
+		if (cli->sin_addr.s_addr == a->saddr.sin_addr.s_addr)
+			return 1;
+	}
+	return 0;
+}
+
+
+static struct subscription * find_er(struct upnp_wps_device_sm *sm,
+				     struct sockaddr_in *cli)
+{
+	struct subscription *s;
+	dl_list_for_each(s, &sm->subscriptions, struct subscription, list)
+		if (find_er_addr(s, cli))
+			return s;
+	return NULL;
+}
+
+
+static enum http_reply_code
+web_process_set_selected_registrar(struct upnp_wps_device_sm *sm,
+				   struct sockaddr_in *cli, char *data,
+				   struct wpabuf **reply,
+				   const char **replyname)
+{
+	struct wpabuf *msg;
+	enum http_reply_code ret;
+	struct subscription *s;
+	struct upnp_wps_device_interface *iface;
+	int err = 0;
+
+	wpa_printf(MSG_DEBUG, "WPS UPnP: SetSelectedRegistrar");
+	s = find_er(sm, cli);
+	if (s == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Ignore SetSelectedRegistrar "
+			   "from unknown ER");
+		return UPNP_ACTION_FAILED;
+	}
+	msg = xml_get_base64_item(data, "NewMessage", &ret);
+	if (msg == NULL)
+		return ret;
+	dl_list_for_each(iface, &sm->interfaces,
+			 struct upnp_wps_device_interface, list) {
+		if (upnp_er_set_selected_registrar(iface->wps->registrar, s,
+						   msg))
+			err = 1;
+	}
+	wpabuf_free(msg);
+	if (err)
+		return HTTP_INTERNAL_SERVER_ERROR;
+	*replyname = NULL;
+	*reply = NULL;
+	return HTTP_OK;
+}
+
+
+static const char *soap_prefix =
+	"<?xml version=\"1.0\"?>\n"
+	"<s:Envelope xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\" "
+	"s:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">\n"
+	"<s:Body>\n";
+static const char *soap_postfix =
+	"</s:Body>\n</s:Envelope>\n";
+
+static const char *soap_error_prefix =
+	"<s:Fault>\n"
+	"<faultcode>s:Client</faultcode>\n"
+	"<faultstring>UPnPError</faultstring>\n"
+	"<detail>\n"
+	"<UPnPError xmlns=\"urn:schemas-upnp-org:control-1-0\">\n";
+static const char *soap_error_postfix =
+	"<errorDescription>Error</errorDescription>\n"
+	"</UPnPError>\n"
+	"</detail>\n"
+	"</s:Fault>\n";
+
+static void web_connection_send_reply(struct http_request *req,
+				      enum http_reply_code ret,
+				      const char *action, int action_len,
+				      const struct wpabuf *reply,
+				      const char *replyname)
+{
+	struct wpabuf *buf;
+	char *replydata;
+	char *put_length_here = NULL;
+	char *body_start = NULL;
+
+	if (reply) {
+		size_t len;
+		replydata = (char *) base64_encode(wpabuf_head(reply),
+						   wpabuf_len(reply), &len);
+	} else
+		replydata = NULL;
+
+	/* Parameters of the response:
+	 *      action(action_len) -- action we are responding to
+	 *      replyname -- a name we need for the reply
+	 *      replydata -- NULL or null-terminated string
+	 */
+	buf = wpabuf_alloc(1000 + (replydata ? os_strlen(replydata) : 0U) +
+			   (action_len > 0 ? action_len * 2 : 0));
+	if (buf == NULL) {
+		wpa_printf(MSG_INFO, "WPS UPnP: Cannot allocate reply to "
+			   "POST");
+		os_free(replydata);
+		http_request_deinit(req);
+		return;
+	}
+
+	/*
+	 * Assuming we will be successful, put in the output header first.
+	 * Note: we do not keep connections alive (and httpread does
+	 * not support it)... therefore we must have Connection: close.
+	 */
+	if (ret == HTTP_OK) {
+		wpabuf_put_str(buf,
+			       "HTTP/1.1 200 OK\r\n"
+			       "Content-Type: text/xml; "
+			       "charset=\"utf-8\"\r\n");
+	} else {
+		wpabuf_printf(buf, "HTTP/1.1 %d Error\r\n", ret);
+	}
+	wpabuf_put_str(buf, http_connection_close);
+
+	wpabuf_put_str(buf, "Content-Length: ");
+	/*
+	 * We will paste the length in later, leaving some extra whitespace.
+	 * HTTP code is supposed to be tolerant of extra whitespace.
+	 */
+	put_length_here = wpabuf_put(buf, 0);
+	wpabuf_put_str(buf, "        \r\n");
+
+	http_put_date(buf);
+
+	/* terminating empty line */
+	wpabuf_put_str(buf, "\r\n");
+
+	body_start = wpabuf_put(buf, 0);
+
+	if (ret == HTTP_OK) {
+		wpabuf_put_str(buf, soap_prefix);
+		wpabuf_put_str(buf, "<u:");
+		wpabuf_put_data(buf, action, action_len);
+		wpabuf_put_str(buf, "Response xmlns:u=\"");
+		wpabuf_put_str(buf, urn_wfawlanconfig);
+		wpabuf_put_str(buf, "\">\n");
+		if (replydata && replyname) {
+			/* TODO: might possibly need to escape part of reply
+			 * data? ...
+			 * probably not, unlikely to have ampersand(&) or left
+			 * angle bracket (<) in it...
+			 */
+			wpabuf_printf(buf, "<%s>", replyname);
+			wpabuf_put_str(buf, replydata);
+			wpabuf_printf(buf, "</%s>\n", replyname);
+		}
+		wpabuf_put_str(buf, "</u:");
+		wpabuf_put_data(buf, action, action_len);
+		wpabuf_put_str(buf, "Response>\n");
+		wpabuf_put_str(buf, soap_postfix);
+	} else {
+		/* Error case */
+		wpabuf_put_str(buf, soap_prefix);
+		wpabuf_put_str(buf, soap_error_prefix);
+		wpabuf_printf(buf, "<errorCode>%d</errorCode>\n", ret);
+		wpabuf_put_str(buf, soap_error_postfix);
+		wpabuf_put_str(buf, soap_postfix);
+	}
+	os_free(replydata);
+
+	/* Now patch in the content length at the end */
+	if (body_start && put_length_here) {
+		int body_length = (char *) wpabuf_put(buf, 0) - body_start;
+		char len_buf[10];
+		os_snprintf(len_buf, sizeof(len_buf), "%d", body_length);
+		os_memcpy(put_length_here, len_buf, os_strlen(len_buf));
+	}
+
+	http_request_send_and_deinit(req, buf);
+}
+
+
+static const char * web_get_action(struct http_request *req,
+				   size_t *action_len)
+{
+	const char *match;
+	int match_len;
+	char *b;
+	char *action;
+
+	*action_len = 0;
+	/* The SOAPAction line of the header tells us what we want to do */
+	b = http_request_get_hdr_line(req, "SOAPAction:");
+	if (b == NULL)
+		return NULL;
+	if (*b == '"')
+		b++;
+	else
+		return NULL;
+	match = urn_wfawlanconfig;
+	match_len = os_strlen(urn_wfawlanconfig) - 1;
+	if (os_strncasecmp(b, match, match_len))
+		return NULL;
+	b += match_len;
+	/* skip over version */
+	while (isgraph(*b) && *b != '#')
+		b++;
+	if (*b != '#')
+		return NULL;
+	b++;
+	/* Following the sharp(#) should be the action and a double quote */
+	action = b;
+	while (isgraph(*b) && *b != '"')
+		b++;
+	if (*b != '"')
+		return NULL;
+	*action_len = b - action;
+	return action;
+}
+
+
+/* Given that we have received a header w/ POST, act upon it
+ *
+ * Format of POST (case-insensitive):
+ *
+ * First line must be:
+ *      POST /<file> HTTP/1.1
+ * Since we don't do anything fancy we just ignore other lines.
+ *
+ * Our response (if no error) which includes only required lines is:
+ * HTTP/1.1 200 OK
+ * Connection: close
+ * Content-Type: text/xml
+ * Date: <rfc1123-date>
+ *
+ * Header lines must end with \r\n
+ * Per RFC 2616, content-length: is not required but connection:close
+ * would appear to be required (given that we will be closing it!).
+ */
+static void web_connection_parse_post(struct upnp_wps_device_sm *sm,
+				      struct sockaddr_in *cli,
+				      struct http_request *req,
+				      const char *filename)
+{
+	enum http_reply_code ret;
+	char *data = http_request_get_data(req); /* body of http msg */
+	const char *action = NULL;
+	size_t action_len = 0;
+	const char *replyname = NULL; /* argument name for the reply */
+	struct wpabuf *reply = NULL; /* data for the reply */
+
+	if (os_strcasecmp(filename, UPNP_WPS_DEVICE_CONTROL_FILE)) {
+		wpa_printf(MSG_INFO, "WPS UPnP: Invalid POST filename %s",
+			   filename);
+		ret = HTTP_NOT_FOUND;
+		goto bad;
+	}
+
+	ret = UPNP_INVALID_ACTION;
+	action = web_get_action(req, &action_len);
+	if (action == NULL)
+		goto bad;
+
+	if (!os_strncasecmp("GetDeviceInfo", action, action_len))
+		ret = web_process_get_device_info(sm, &reply, &replyname);
+	else if (!os_strncasecmp("PutMessage", action, action_len))
+		ret = web_process_put_message(sm, data, &reply, &replyname);
+	else if (!os_strncasecmp("PutWLANResponse", action, action_len))
+		ret = web_process_put_wlan_response(sm, data, &reply,
+						    &replyname);
+	else if (!os_strncasecmp("SetSelectedRegistrar", action, action_len))
+		ret = web_process_set_selected_registrar(sm, cli, data, &reply,
+							 &replyname);
+	else
+		wpa_printf(MSG_INFO, "WPS UPnP: Unknown POST type");
+
+bad:
+	if (ret != HTTP_OK)
+		wpa_printf(MSG_INFO, "WPS UPnP: POST failure ret=%d", ret);
+	web_connection_send_reply(req, ret, action, action_len, reply,
+				  replyname);
+	wpabuf_free(reply);
+}
+
+
+/* Given that we have received a header w/ SUBSCRIBE, act upon it
+ *
+ * Format of SUBSCRIBE (case-insensitive):
+ *
+ * First line must be:
+ *      SUBSCRIBE /wps_event HTTP/1.1
+ *
+ * Our response (if no error) which includes only required lines is:
+ * HTTP/1.1 200 OK
+ * Server: xx, UPnP/1.0, xx
+ * SID: uuid:xxxxxxxxx
+ * Timeout: Second-<n>
+ * Content-Length: 0
+ * Date: xxxx
+ *
+ * Header lines must end with \r\n
+ * Per RFC 2616, content-length: is not required but connection:close
+ * would appear to be required (given that we will be closing it!).
+ */
+static void web_connection_parse_subscribe(struct upnp_wps_device_sm *sm,
+					   struct http_request *req,
+					   const char *filename)
+{
+	struct wpabuf *buf;
+	char *b;
+	char *hdr = http_request_get_hdr(req);
+	char *h;
+	char *match;
+	int match_len;
+	char *end;
+	int len;
+	int got_nt = 0;
+	u8 uuid[UUID_LEN];
+	int got_uuid = 0;
+	char *callback_urls = NULL;
+	struct subscription *s = NULL;
+	enum http_reply_code ret = HTTP_INTERNAL_SERVER_ERROR;
+
+	buf = wpabuf_alloc(1000);
+	if (buf == NULL) {
+		http_request_deinit(req);
+		return;
+	}
+
+	wpa_hexdump_ascii(MSG_DEBUG, "WPS UPnP: HTTP SUBSCRIBE",
+			  (u8 *) hdr, os_strlen(hdr));
+
+	/* Parse/validate headers */
+	h = hdr;
+	/* First line: SUBSCRIBE /wps_event HTTP/1.1
+	 * has already been parsed.
+	 */
+	if (os_strcasecmp(filename, UPNP_WPS_DEVICE_EVENT_FILE) != 0) {
+		ret = HTTP_PRECONDITION_FAILED;
+		goto error;
+	}
+	wpa_printf(MSG_DEBUG, "WPS UPnP: HTTP SUBSCRIBE for event");
+	end = os_strchr(h, '\n');
+
+	for (; end != NULL; h = end + 1) {
+		/* Option line by option line */
+		h = end + 1;
+		end = os_strchr(h, '\n');
+		if (end == NULL)
+			break; /* no unterminated lines allowed */
+
+		/* NT assures that it is our type of subscription;
+		 * not used for a renewl.
+		 **/
+		match = "NT:";
+		match_len = os_strlen(match);
+		if (os_strncasecmp(h, match, match_len) == 0) {
+			h += match_len;
+			while (*h == ' ' || *h == '\t')
+				h++;
+			match = "upnp:event";
+			match_len = os_strlen(match);
+			if (os_strncasecmp(h, match, match_len) != 0) {
+				ret = HTTP_BAD_REQUEST;
+				goto error;
+			}
+			got_nt = 1;
+			continue;
+		}
+		/* HOST should refer to us */
+#if 0
+		match = "HOST:";
+		match_len = os_strlen(match);
+		if (os_strncasecmp(h, match, match_len) == 0) {
+			h += match_len;
+			while (*h == ' ' || *h == '\t')
+				h++;
+			.....
+		}
+#endif
+		/* CALLBACK gives one or more URLs for NOTIFYs
+		 * to be sent as a result of the subscription.
+		 * Each URL is enclosed in angle brackets.
+		 */
+		match = "CALLBACK:";
+		match_len = os_strlen(match);
+		if (os_strncasecmp(h, match, match_len) == 0) {
+			h += match_len;
+			while (*h == ' ' || *h == '\t')
+				h++;
+			len = end - h;
+			os_free(callback_urls);
+			callback_urls = os_malloc(len + 1);
+			if (callback_urls == NULL) {
+				ret = HTTP_INTERNAL_SERVER_ERROR;
+				goto error;
+			}
+			os_memcpy(callback_urls, h, len);
+			callback_urls[len] = 0;
+			continue;
+		}
+		/* SID is only for renewal */
+		match = "SID:";
+		match_len = os_strlen(match);
+		if (os_strncasecmp(h, match, match_len) == 0) {
+			h += match_len;
+			while (*h == ' ' || *h == '\t')
+				h++;
+			match = "uuid:";
+			match_len = os_strlen(match);
+			if (os_strncasecmp(h, match, match_len) != 0) {
+				ret = HTTP_BAD_REQUEST;
+				goto error;
+			}
+			h += match_len;
+			while (*h == ' ' || *h == '\t')
+				h++;
+			if (uuid_str2bin(h, uuid)) {
+				ret = HTTP_BAD_REQUEST;
+				goto error;
+			}
+			got_uuid = 1;
+			continue;
+		}
+		/* TIMEOUT is requested timeout, but apparently we can
+		 * just ignore this.
+		 */
+	}
+
+	if (got_uuid) {
+		/* renewal */
+		wpa_printf(MSG_DEBUG, "WPS UPnP: Subscription renewal");
+		if (callback_urls) {
+			ret = HTTP_BAD_REQUEST;
+			goto error;
+		}
+		s = subscription_renew(sm, uuid);
+		if (s == NULL) {
+			char str[80];
+			uuid_bin2str(uuid, str, sizeof(str));
+			wpa_printf(MSG_DEBUG, "WPS UPnP: Could not find "
+				   "SID %s", str);
+			ret = HTTP_PRECONDITION_FAILED;
+			goto error;
+		}
+	} else if (callback_urls) {
+		wpa_printf(MSG_DEBUG, "WPS UPnP: New subscription");
+		if (!got_nt) {
+			ret = HTTP_PRECONDITION_FAILED;
+			goto error;
+		}
+		s = subscription_start(sm, callback_urls);
+		if (s == NULL) {
+			ret = HTTP_INTERNAL_SERVER_ERROR;
+			goto error;
+		}
+	} else {
+		ret = HTTP_PRECONDITION_FAILED;
+		goto error;
+	}
+
+	/* success */
+	http_put_reply_code(buf, HTTP_OK);
+	wpabuf_put_str(buf, http_server_hdr);
+	wpabuf_put_str(buf, http_connection_close);
+	wpabuf_put_str(buf, "Content-Length: 0\r\n");
+	wpabuf_put_str(buf, "SID: uuid:");
+	/* subscription id */
+	b = wpabuf_put(buf, 0);
+	uuid_bin2str(s->uuid, b, 80);
+	wpa_printf(MSG_DEBUG, "WPS UPnP: Assigned SID %s", b);
+	wpabuf_put(buf, os_strlen(b));
+	wpabuf_put_str(buf, "\r\n");
+	wpabuf_printf(buf, "Timeout: Second-%d\r\n", UPNP_SUBSCRIBE_SEC);
+	http_put_date(buf);
+	/* And empty line to terminate header: */
+	wpabuf_put_str(buf, "\r\n");
+
+	os_free(callback_urls);
+	http_request_send_and_deinit(req, buf);
+	return;
+
+error:
+	/* Per UPnP spec:
+	* Errors
+	* Incompatible headers
+	*   400 Bad Request. If SID header and one of NT or CALLBACK headers
+	*     are present, the publisher must respond with HTTP error
+	*     400 Bad Request.
+	* Missing or invalid CALLBACK
+	*   412 Precondition Failed. If CALLBACK header is missing or does not
+	*     contain a valid HTTP URL, the publisher must respond with HTTP
+	*     error 412 Precondition Failed.
+	* Invalid NT
+	*   412 Precondition Failed. If NT header does not equal upnp:event,
+	*     the publisher must respond with HTTP error 412 Precondition
+	*     Failed.
+	* [For resubscription, use 412 if unknown uuid].
+	* Unable to accept subscription
+	*   5xx. If a publisher is not able to accept a subscription (such as
+	*     due to insufficient resources), it must respond with a
+	*     HTTP 500-series error code.
+	*   599 Too many subscriptions (not a standard HTTP error)
+	*/
+	wpa_printf(MSG_DEBUG, "WPS UPnP: SUBSCRIBE failed - return %d", ret);
+	http_put_empty(buf, ret);
+	http_request_send_and_deinit(req, buf);
+	os_free(callback_urls);
+}
+
+
+/* Given that we have received a header w/ UNSUBSCRIBE, act upon it
+ *
+ * Format of UNSUBSCRIBE (case-insensitive):
+ *
+ * First line must be:
+ *      UNSUBSCRIBE /wps_event HTTP/1.1
+ *
+ * Our response (if no error) which includes only required lines is:
+ * HTTP/1.1 200 OK
+ * Content-Length: 0
+ *
+ * Header lines must end with \r\n
+ * Per RFC 2616, content-length: is not required but connection:close
+ * would appear to be required (given that we will be closing it!).
+ */
+static void web_connection_parse_unsubscribe(struct upnp_wps_device_sm *sm,
+					     struct http_request *req,
+					     const char *filename)
+{
+	struct wpabuf *buf;
+	char *hdr = http_request_get_hdr(req);
+	char *h;
+	char *match;
+	int match_len;
+	char *end;
+	u8 uuid[UUID_LEN];
+	int got_uuid = 0;
+	struct subscription *s = NULL;
+	enum http_reply_code ret = HTTP_INTERNAL_SERVER_ERROR;
+
+	/* Parse/validate headers */
+	h = hdr;
+	/* First line: UNSUBSCRIBE /wps_event HTTP/1.1
+	 * has already been parsed.
+	 */
+	if (os_strcasecmp(filename, UPNP_WPS_DEVICE_EVENT_FILE) != 0) {
+		ret = HTTP_PRECONDITION_FAILED;
+		goto send_msg;
+	}
+	wpa_printf(MSG_DEBUG, "WPS UPnP: HTTP UNSUBSCRIBE for event");
+	end = os_strchr(h, '\n');
+
+	for (; end != NULL; h = end + 1) {
+		/* Option line by option line */
+		h = end + 1;
+		end = os_strchr(h, '\n');
+		if (end == NULL)
+			break; /* no unterminated lines allowed */
+
+		/* HOST should refer to us */
+#if 0
+		match = "HOST:";
+		match_len = os_strlen(match);
+		if (os_strncasecmp(h, match, match_len) == 0) {
+			h += match_len;
+			while (*h == ' ' || *h == '\t')
+				h++;
+			.....
+		}
+#endif
+		/* SID is only for renewal */
+		match = "SID:";
+		match_len = os_strlen(match);
+		if (os_strncasecmp(h, match, match_len) == 0) {
+			h += match_len;
+			while (*h == ' ' || *h == '\t')
+				h++;
+			match = "uuid:";
+			match_len = os_strlen(match);
+			if (os_strncasecmp(h, match, match_len) != 0) {
+				ret = HTTP_BAD_REQUEST;
+				goto send_msg;
+			}
+			h += match_len;
+			while (*h == ' ' || *h == '\t')
+				h++;
+			if (uuid_str2bin(h, uuid)) {
+				ret = HTTP_BAD_REQUEST;
+				goto send_msg;
+			}
+			got_uuid = 1;
+			continue;
+		}
+	}
+
+	if (got_uuid) {
+		s = subscription_find(sm, uuid);
+		if (s) {
+			struct subscr_addr *sa;
+			sa = dl_list_first(&s->addr_list, struct subscr_addr,
+					   list);
+			wpa_printf(MSG_DEBUG, "WPS UPnP: Unsubscribing %p %s",
+				   s, (sa && sa->domain_and_port) ?
+				   sa->domain_and_port : "-null-");
+			dl_list_del(&s->list);
+			subscription_destroy(s);
+		}
+	} else {
+		wpa_printf(MSG_INFO, "WPS UPnP: Unsubscribe fails (not "
+			   "found)");
+		ret = HTTP_PRECONDITION_FAILED;
+		goto send_msg;
+	}
+
+	ret = HTTP_OK;
+
+send_msg:
+	buf = wpabuf_alloc(200);
+	if (buf == NULL) {
+		http_request_deinit(req);
+		return;
+	}
+	http_put_empty(buf, ret);
+	http_request_send_and_deinit(req, buf);
+}
+
+
+/* Send error in response to unknown requests */
+static void web_connection_unimplemented(struct http_request *req)
+{
+	struct wpabuf *buf;
+	buf = wpabuf_alloc(200);
+	if (buf == NULL) {
+		http_request_deinit(req);
+		return;
+	}
+	http_put_empty(buf, HTTP_UNIMPLEMENTED);
+	http_request_send_and_deinit(req, buf);
+}
+
+
+
+/* Called when we have gotten an apparently valid http request.
+ */
+static void web_connection_check_data(void *ctx, struct http_request *req)
+{
+	struct upnp_wps_device_sm *sm = ctx;
+	enum httpread_hdr_type htype = http_request_get_type(req);
+	char *filename = http_request_get_uri(req);
+	struct sockaddr_in *cli = http_request_get_cli_addr(req);
+
+	if (!filename) {
+		wpa_printf(MSG_INFO, "WPS UPnP: Could not get HTTP URI");
+		http_request_deinit(req);
+		return;
+	}
+	/* Trim leading slashes from filename */
+	while (*filename == '/')
+		filename++;
+
+	wpa_printf(MSG_DEBUG, "WPS UPnP: Got HTTP request type %d from %s:%d",
+		   htype, inet_ntoa(cli->sin_addr), htons(cli->sin_port));
+
+	switch (htype) {
+	case HTTPREAD_HDR_TYPE_GET:
+		web_connection_parse_get(sm, req, filename);
+		break;
+	case HTTPREAD_HDR_TYPE_POST:
+		web_connection_parse_post(sm, cli, req, filename);
+		break;
+	case HTTPREAD_HDR_TYPE_SUBSCRIBE:
+		web_connection_parse_subscribe(sm, req, filename);
+		break;
+	case HTTPREAD_HDR_TYPE_UNSUBSCRIBE:
+		web_connection_parse_unsubscribe(sm, req, filename);
+		break;
+
+		/* We are not required to support M-POST; just plain
+		 * POST is supposed to work, so we only support that.
+		 * If for some reason we need to support M-POST, it is
+		 * mostly the same as POST, with small differences.
+		 */
+	default:
+		/* Send 501 for anything else */
+		web_connection_unimplemented(req);
+		break;
+	}
+}
+
+
+/*
+ * Listening for web connections
+ * We have a single TCP listening port, and hand off connections as we get
+ * them.
+ */
+
+void web_listener_stop(struct upnp_wps_device_sm *sm)
+{
+	http_server_deinit(sm->web_srv);
+	sm->web_srv = NULL;
+}
+
+
+int web_listener_start(struct upnp_wps_device_sm *sm)
+{
+	struct in_addr addr;
+	addr.s_addr = sm->ip_addr;
+	sm->web_srv = http_server_init(&addr, -1, web_connection_check_data,
+				       sm);
+	if (sm->web_srv == NULL) {
+		web_listener_stop(sm);
+		return -1;
+	}
+	sm->web_port = http_server_get_port(sm->web_srv);
+
+	return 0;
+}
diff --git a/src/wps/wps_validate.c b/src/wps/wps_validate.c
new file mode 100644
index 0000000..c3071a0
--- /dev/null
+++ b/src/wps/wps_validate.c
@@ -0,0 +1,1981 @@
+/*
+ * Wi-Fi Protected Setup - Strict protocol validation routines
+ * Copyright (c) 2010, Atheros Communications, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "wps_i.h"
+#include "wps.h"
+
+
+#ifndef WPS_STRICT_ALL
+#define WPS_STRICT_WPS2
+#endif /* WPS_STRICT_ALL */
+
+
+static int wps_validate_version(const u8 *version, int mandatory)
+{
+	if (version == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Version attribute "
+				   "missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (*version != 0x10) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Version attribute "
+			   "value 0x%x", *version);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_version2(const u8 *version2, int mandatory)
+{
+	if (version2 == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Version2 attribute "
+				   "missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (*version2 < 0x20) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Version2 attribute "
+			   "value 0x%x", *version2);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_request_type(const u8 *request_type, int mandatory)
+{
+	if (request_type == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Request Type "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (*request_type > 0x03) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Request Type "
+			   "attribute value 0x%x", *request_type);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_response_type(const u8 *response_type, int mandatory)
+{
+	if (response_type == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Response Type "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (*response_type > 0x03) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Response Type "
+			   "attribute value 0x%x", *response_type);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int valid_config_methods(u16 val, int wps2)
+{
+	if (wps2) {
+		if ((val & 0x6000) && !(val & WPS_CONFIG_DISPLAY)) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Physical/Virtual "
+				   "Display flag without old Display flag "
+				   "set");
+			return 0;
+		}
+		if (!(val & 0x6000) && (val & WPS_CONFIG_DISPLAY)) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Display flag "
+				   "without Physical/Virtual Display flag");
+			return 0;
+		}
+		if ((val & 0x0600) && !(val & WPS_CONFIG_PUSHBUTTON)) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Physical/Virtual "
+				   "PushButton flag without old PushButton "
+				   "flag set");
+			return 0;
+		}
+		if (!(val & 0x0600) && (val & WPS_CONFIG_PUSHBUTTON)) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: PushButton flag "
+				   "without Physical/Virtual PushButton flag");
+			return 0;
+		}
+	}
+
+	return 1;
+}
+
+
+static int wps_validate_config_methods(const u8 *config_methods, int wps2,
+				       int mandatory)
+{
+	u16 val;
+
+	if (config_methods == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Configuration "
+				   "Methods attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+
+	val = WPA_GET_BE16(config_methods);
+	if (!valid_config_methods(val, wps2)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Configuration "
+			   "Methods attribute value 0x%04x", val);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_ap_config_methods(const u8 *config_methods, int wps2,
+					  int mandatory)
+{
+	u16 val;
+
+	if (wps_validate_config_methods(config_methods, wps2, mandatory) < 0)
+		return -1;
+	if (config_methods == NULL)
+		return 0;
+	val = WPA_GET_BE16(config_methods);
+	if (val & WPS_CONFIG_PUSHBUTTON) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Configuration "
+			   "Methods attribute value 0x%04x in AP info "
+			   "(PushButton not allowed for registering new ER)",
+			   val);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_uuid_e(const u8 *uuid_e, int mandatory)
+{
+	if (uuid_e == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: UUID-E "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_uuid_r(const u8 *uuid_r, int mandatory)
+{
+	if (uuid_r == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: UUID-R "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_primary_dev_type(const u8 *primary_dev_type,
+					 int mandatory)
+{
+	if (primary_dev_type == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Primary Device Type "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_rf_bands(const u8 *rf_bands, int mandatory)
+{
+	if (rf_bands == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: RF Bands "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (*rf_bands != WPS_RF_24GHZ && *rf_bands != WPS_RF_50GHZ &&
+	    *rf_bands != (WPS_RF_24GHZ | WPS_RF_50GHZ)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Rf Bands "
+			   "attribute value 0x%x", *rf_bands);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_assoc_state(const u8 *assoc_state, int mandatory)
+{
+	u16 val;
+	if (assoc_state == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Association State "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	val = WPA_GET_BE16(assoc_state);
+	if (val > 4) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Association State "
+			   "attribute value 0x%04x", val);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_config_error(const u8 *config_error, int mandatory)
+{
+	u16 val;
+
+	if (config_error == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Configuration Error "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	val = WPA_GET_BE16(config_error);
+	if (val > 18) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Configuration Error "
+			   "attribute value 0x%04x", val);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_dev_password_id(const u8 *dev_password_id,
+					int mandatory)
+{
+	u16 val;
+
+	if (dev_password_id == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Device Password ID "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	val = WPA_GET_BE16(dev_password_id);
+	if (val >= 0x0006 && val <= 0x000f) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Device Password ID "
+			   "attribute value 0x%04x", val);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_manufacturer(const u8 *manufacturer, size_t len,
+				     int mandatory)
+{
+	if (manufacturer == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Manufacturer "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (len > 0 && manufacturer[len - 1] == 0) {
+		wpa_hexdump_ascii(MSG_INFO, "WPS-STRICT: Invalid Manufacturer "
+			   "attribute value", manufacturer, len);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_model_name(const u8 *model_name, size_t len,
+				   int mandatory)
+{
+	if (model_name == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Model Name "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (len > 0 && model_name[len - 1] == 0) {
+		wpa_hexdump_ascii(MSG_INFO, "WPS-STRICT: Invalid Model Name "
+			   "attribute value", model_name, len);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_model_number(const u8 *model_number, size_t len,
+				     int mandatory)
+{
+	if (model_number == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Model Number "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (len > 0 && model_number[len - 1] == 0) {
+		wpa_hexdump_ascii(MSG_INFO, "WPS-STRICT: Invalid Model Number "
+			   "attribute value", model_number, len);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_serial_number(const u8 *serial_number, size_t len,
+				      int mandatory)
+{
+	if (serial_number == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Serial Number "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (len > 0 && serial_number[len - 1] == 0) {
+		wpa_hexdump_ascii(MSG_INFO, "WPS-STRICT: Invalid Serial "
+				  "Number attribute value",
+				  serial_number, len);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_dev_name(const u8 *dev_name, size_t len,
+				 int mandatory)
+{
+	if (dev_name == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Device Name "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (len > 0 && dev_name[len - 1] == 0) {
+		wpa_hexdump_ascii(MSG_INFO, "WPS-STRICT: Invalid Device Name "
+			   "attribute value", dev_name, len);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_request_to_enroll(const u8 *request_to_enroll,
+					  int mandatory)
+{
+	if (request_to_enroll == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Request to Enroll "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (*request_to_enroll > 0x01) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Request to Enroll "
+			   "attribute value 0x%x", *request_to_enroll);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_req_dev_type(const u8 *req_dev_type[], size_t num,
+				     int mandatory)
+{
+	if (num == 0) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Requested Device "
+				   "Type attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_wps_state(const u8 *wps_state, int mandatory)
+{
+	if (wps_state == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Wi-Fi Protected "
+				   "Setup State attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (*wps_state != WPS_STATE_NOT_CONFIGURED &&
+	    *wps_state != WPS_STATE_CONFIGURED) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Wi-Fi Protected "
+			   "Setup State attribute value 0x%x", *wps_state);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_ap_setup_locked(const u8 *ap_setup_locked,
+					int mandatory)
+{
+	if (ap_setup_locked == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: AP Setup Locked "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (*ap_setup_locked > 1) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid AP Setup Locked "
+			   "attribute value 0x%x", *ap_setup_locked);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_selected_registrar(const u8 *selected_registrar,
+					   int mandatory)
+{
+	if (selected_registrar == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Selected Registrar "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (*selected_registrar > 1) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Selected Registrar "
+			   "attribute value 0x%x", *selected_registrar);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_sel_reg_config_methods(const u8 *config_methods,
+					       int wps2, int mandatory)
+{
+	u16 val;
+
+	if (config_methods == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Selected Registrar "
+				   "Configuration Methods attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+
+	val = WPA_GET_BE16(config_methods);
+	if (!valid_config_methods(val, wps2)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Selected Registrar "
+			   "Configuration Methods attribute value 0x%04x",
+			   val);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_authorized_macs(const u8 *authorized_macs, size_t len,
+					int mandatory)
+{
+	if (authorized_macs == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Authorized MACs "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (len > 30 && (len % ETH_ALEN) != 0) {
+		wpa_hexdump(MSG_INFO, "WPS-STRICT: Invalid Authorized "
+			    "MACs attribute value", authorized_macs, len);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_msg_type(const u8 *msg_type, int mandatory)
+{
+	if (msg_type == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Message Type "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (*msg_type < WPS_Beacon || *msg_type > WPS_WSC_DONE) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Message Type "
+			   "attribute value 0x%x", *msg_type);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_mac_addr(const u8 *mac_addr, int mandatory)
+{
+	if (mac_addr == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: MAC Address "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (mac_addr[0] & 0x01) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid MAC Address "
+			   "attribute value " MACSTR, MAC2STR(mac_addr));
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_enrollee_nonce(const u8 *enrollee_nonce, int mandatory)
+{
+	if (enrollee_nonce == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Enrollee Nonce "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_registrar_nonce(const u8 *registrar_nonce,
+					int mandatory)
+{
+	if (registrar_nonce == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Registrar Nonce "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_public_key(const u8 *public_key, size_t len,
+				   int mandatory)
+{
+	if (public_key == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Public Key "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (len != 192) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Public Key "
+			   "attribute length %d", (int) len);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int num_bits_set(u16 val)
+{
+	int c;
+	for (c = 0; val; c++)
+		val &= val - 1;
+	return c;
+}
+
+
+static int wps_validate_auth_type_flags(const u8 *flags, int mandatory)
+{
+	u16 val;
+
+	if (flags == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Authentication Type "
+				   "Flags attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	val = WPA_GET_BE16(flags);
+	if ((val & ~WPS_AUTH_TYPES) || !(val & WPS_AUTH_WPA2PSK)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Authentication Type "
+			   "Flags attribute value 0x%04x", val);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_auth_type(const u8 *type, int mandatory)
+{
+	u16 val;
+
+	if (type == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Authentication Type "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	val = WPA_GET_BE16(type);
+	if ((val & ~WPS_AUTH_TYPES) || val == 0 ||
+	    (num_bits_set(val) > 1 &&
+	     val != (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK))) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Authentication Type "
+			   "attribute value 0x%04x", val);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_encr_type_flags(const u8 *flags, int mandatory)
+{
+	u16 val;
+
+	if (flags == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Encryption Type "
+				   "Flags attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	val = WPA_GET_BE16(flags);
+	if ((val & ~WPS_ENCR_TYPES) || !(val & WPS_ENCR_AES)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Encryption Type "
+			   "Flags attribute value 0x%04x", val);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_encr_type(const u8 *type, int mandatory)
+{
+	u16 val;
+
+	if (type == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Encryption Type "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	val = WPA_GET_BE16(type);
+	if ((val & ~WPS_ENCR_TYPES) || val == 0 ||
+	    (num_bits_set(val) > 1 && val != (WPS_ENCR_TKIP | WPS_ENCR_AES))) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Encryption Type "
+			   "attribute value 0x%04x", val);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_conn_type_flags(const u8 *flags, int mandatory)
+{
+	if (flags == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Connection Type "
+				   "Flags attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if ((*flags & ~(WPS_CONN_ESS | WPS_CONN_IBSS)) ||
+	    !(*flags & WPS_CONN_ESS)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Connection Type "
+			   "Flags attribute value 0x%02x", *flags);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_os_version(const u8 *os_version, int mandatory)
+{
+	if (os_version == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: OS Version "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_authenticator(const u8 *authenticator, int mandatory)
+{
+	if (authenticator == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Authenticator "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_e_hash1(const u8 *hash, int mandatory)
+{
+	if (hash == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: E-Hash1 "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_e_hash2(const u8 *hash, int mandatory)
+{
+	if (hash == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: E-Hash2 "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_r_hash1(const u8 *hash, int mandatory)
+{
+	if (hash == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: R-Hash1 "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_r_hash2(const u8 *hash, int mandatory)
+{
+	if (hash == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: R-Hash2 "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_encr_settings(const u8 *encr_settings, size_t len,
+				   int mandatory)
+{
+	if (encr_settings == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Encrypted Settings "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (len < 16) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Encrypted Settings "
+			   "attribute length %d", (int) len);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_settings_delay_time(const u8 *delay, int mandatory)
+{
+	if (delay == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Settings Delay Time "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_r_snonce1(const u8 *nonce, int mandatory)
+{
+	if (nonce == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: R-SNonce1 "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_r_snonce2(const u8 *nonce, int mandatory)
+{
+	if (nonce == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: R-SNonce2 "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_e_snonce1(const u8 *nonce, int mandatory)
+{
+	if (nonce == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: E-SNonce1 "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_e_snonce2(const u8 *nonce, int mandatory)
+{
+	if (nonce == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: E-SNonce2 "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_key_wrap_auth(const u8 *auth, int mandatory)
+{
+	if (auth == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Key Wrap "
+				   "Authenticator attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_ssid(const u8 *ssid, size_t ssid_len, int mandatory)
+{
+	if (ssid == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: SSID "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (ssid_len == 0 || ssid[ssid_len - 1] == 0) {
+		wpa_hexdump_ascii(MSG_INFO, "WPS-STRICT: Invalid SSID "
+				  "attribute value", ssid, ssid_len);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_network_key_index(const u8 *idx, int mandatory)
+{
+	if (idx == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Network Key Index "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_network_idx(const u8 *idx, int mandatory)
+{
+	if (idx == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Network Index "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	return 0;
+}
+
+
+static int wps_validate_network_key(const u8 *key, size_t key_len,
+				    const u8 *encr_type, int mandatory)
+{
+	if (key == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Network Key "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (((encr_type == NULL || WPA_GET_BE16(encr_type) != WPS_ENCR_WEP) &&
+	     key_len > 8 && key_len < 64 && key[key_len - 1] == 0) ||
+	    key_len > 64) {
+		wpa_hexdump_ascii_key(MSG_INFO, "WPS-STRICT: Invalid Network "
+				      "Key attribute value", key, key_len);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_network_key_shareable(const u8 *val, int mandatory)
+{
+	if (val == NULL) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Network Key "
+				   "Shareable attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+	if (*val > 1) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Network Key "
+			   "Shareable attribute value 0x%x", *val);
+		return -1;
+	}
+	return 0;
+}
+
+
+static int wps_validate_cred(const u8 *cred, size_t len)
+{
+	struct wps_parse_attr attr;
+	struct wpabuf buf;
+
+	if (cred == NULL)
+		return -1;
+	wpabuf_set(&buf, cred, len);
+	if (wps_parse_msg(&buf, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse Credential");
+		return -1;
+	}
+
+	if (wps_validate_network_idx(attr.network_idx, 1) ||
+	    wps_validate_ssid(attr.ssid, attr.ssid_len, 1) ||
+	    wps_validate_auth_type(attr.auth_type, 1) ||
+	    wps_validate_encr_type(attr.encr_type, 1) ||
+	    wps_validate_network_key_index(attr.network_key_idx, 0) ||
+	    wps_validate_network_key(attr.network_key, attr.network_key_len,
+				     attr.encr_type, 1) ||
+	    wps_validate_mac_addr(attr.mac_addr, 1) ||
+	    wps_validate_network_key_shareable(attr.network_key_shareable, 0))
+	{
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Credential");
+		return -1;
+	}
+
+
+	return 0;
+}
+
+
+static int wps_validate_credential(const u8 *cred[], size_t len[], size_t num,
+				   int mandatory)
+{
+	size_t i;
+
+	if (num == 0) {
+		if (mandatory) {
+			wpa_printf(MSG_INFO, "WPS-STRICT: Credential "
+				   "attribute missing");
+			return -1;
+		}
+		return 0;
+	}
+
+	for (i = 0; i < num; i++) {
+		if (wps_validate_cred(cred[i], len[i]) < 0)
+			return -1;
+	}
+
+	return 0;
+}
+
+
+int wps_validate_beacon(const struct wpabuf *wps_ie)
+{
+	struct wps_parse_attr attr;
+	int wps2, sel_reg;
+
+	if (wps_ie == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No WPS IE in Beacon frame");
+		return -1;
+	}
+	if (wps_parse_msg(wps_ie, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse WPS IE in "
+			   "Beacon frame");
+		return -1;
+	}
+
+	wps2 = attr.version2 != NULL;
+	sel_reg = attr.selected_registrar != NULL &&
+		*attr.selected_registrar != 0;
+	if (wps_validate_version(attr.version, 1) ||
+	    wps_validate_wps_state(attr.wps_state, 1) ||
+	    wps_validate_ap_setup_locked(attr.ap_setup_locked, 0) ||
+	    wps_validate_selected_registrar(attr.selected_registrar, 0) ||
+	    wps_validate_dev_password_id(attr.dev_password_id, sel_reg) ||
+	    wps_validate_sel_reg_config_methods(attr.sel_reg_config_methods,
+						wps2, sel_reg) ||
+	    wps_validate_uuid_e(attr.uuid_e, 0) ||
+	    wps_validate_rf_bands(attr.rf_bands, 0) ||
+	    wps_validate_version2(attr.version2, wps2) ||
+	    wps_validate_authorized_macs(attr.authorized_macs,
+					 attr.authorized_macs_len, 0)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Beacon frame");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int wps_validate_beacon_probe_resp(const struct wpabuf *wps_ie, int probe,
+				   const u8 *addr)
+{
+	struct wps_parse_attr attr;
+	int wps2, sel_reg;
+
+	if (wps_ie == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No WPS IE in "
+			   "%sProbe Response frame", probe ? "" : "Beacon/");
+		return -1;
+	}
+	if (wps_parse_msg(wps_ie, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse WPS IE in "
+			   "%sProbe Response frame", probe ? "" : "Beacon/");
+		return -1;
+	}
+
+	wps2 = attr.version2 != NULL;
+	sel_reg = attr.selected_registrar != NULL &&
+		*attr.selected_registrar != 0;
+	if (wps_validate_version(attr.version, 1) ||
+	    wps_validate_wps_state(attr.wps_state, 1) ||
+	    wps_validate_ap_setup_locked(attr.ap_setup_locked, 0) ||
+	    wps_validate_selected_registrar(attr.selected_registrar, 0) ||
+	    wps_validate_dev_password_id(attr.dev_password_id, sel_reg) ||
+	    wps_validate_sel_reg_config_methods(attr.sel_reg_config_methods,
+						wps2, sel_reg) ||
+	    wps_validate_response_type(attr.response_type, probe) ||
+	    wps_validate_uuid_e(attr.uuid_e, probe) ||
+	    wps_validate_manufacturer(attr.manufacturer, attr.manufacturer_len,
+				      probe) ||
+	    wps_validate_model_name(attr.model_name, attr.model_name_len,
+				    probe) ||
+	    wps_validate_model_number(attr.model_number, attr.model_number_len,
+				      probe) ||
+	    wps_validate_serial_number(attr.serial_number,
+				       attr.serial_number_len, probe) ||
+	    wps_validate_primary_dev_type(attr.primary_dev_type, probe) ||
+	    wps_validate_dev_name(attr.dev_name, attr.dev_name_len, probe) ||
+	    wps_validate_ap_config_methods(attr.config_methods, wps2, probe) ||
+	    wps_validate_rf_bands(attr.rf_bands, 0) ||
+	    wps_validate_version2(attr.version2, wps2) ||
+	    wps_validate_authorized_macs(attr.authorized_macs,
+					 attr.authorized_macs_len, 0)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid %sProbe Response "
+			   "frame from " MACSTR, probe ? "" : "Beacon/",
+			   MAC2STR(addr));
+#ifdef WPS_STRICT_WPS2
+		if (wps2)
+			return -1;
+#else /* WPS_STRICT_WPS2 */
+		return -1;
+#endif /* WPS_STRICT_WPS2 */
+	}
+
+	return 0;
+}
+
+
+int wps_validate_probe_req(const struct wpabuf *wps_ie, const u8 *addr)
+{
+	struct wps_parse_attr attr;
+	int wps2;
+
+	if (wps_ie == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No WPS IE in "
+			   "Probe Request frame");
+		return -1;
+	}
+	if (wps_parse_msg(wps_ie, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse WPS IE in "
+			   "Probe Request frame");
+		return -1;
+	}
+
+	wps2 = attr.version2 != NULL;
+	if (wps_validate_version(attr.version, 1) ||
+	    wps_validate_request_type(attr.request_type, 1) ||
+	    wps_validate_config_methods(attr.config_methods, wps2, 1) ||
+	    wps_validate_uuid_e(attr.uuid_e, attr.uuid_r == NULL) ||
+	    wps_validate_uuid_r(attr.uuid_r, attr.uuid_e == NULL) ||
+	    wps_validate_primary_dev_type(attr.primary_dev_type, 1) ||
+	    wps_validate_rf_bands(attr.rf_bands, 1) ||
+	    wps_validate_assoc_state(attr.assoc_state, 1) ||
+	    wps_validate_config_error(attr.config_error, 1) ||
+	    wps_validate_dev_password_id(attr.dev_password_id, 1) ||
+	    wps_validate_version2(attr.version2, wps2) ||
+	    wps_validate_manufacturer(attr.manufacturer, attr.manufacturer_len,
+				      wps2) ||
+	    wps_validate_model_name(attr.model_name, attr.model_name_len,
+				    wps2) ||
+	    wps_validate_model_number(attr.model_number, attr.model_number_len,
+				      wps2) ||
+	    wps_validate_dev_name(attr.dev_name, attr.dev_name_len, wps2) ||
+	    wps_validate_request_to_enroll(attr.request_to_enroll, 0) ||
+	    wps_validate_req_dev_type(attr.req_dev_type, attr.num_req_dev_type,
+				      0)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid Probe Request "
+			   "frame from " MACSTR, MAC2STR(addr));
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int wps_validate_assoc_req(const struct wpabuf *wps_ie)
+{
+	struct wps_parse_attr attr;
+	int wps2;
+
+	if (wps_ie == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No WPS IE in "
+			   "(Re)Association Request frame");
+		return -1;
+	}
+	if (wps_parse_msg(wps_ie, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse WPS IE in "
+			   "(Re)Association Request frame");
+		return -1;
+	}
+
+	wps2 = attr.version2 != NULL;
+	if (wps_validate_version(attr.version, 1) ||
+	    wps_validate_request_type(attr.request_type, 1) ||
+	    wps_validate_version2(attr.version2, wps2)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid (Re)Association "
+			   "Request frame");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int wps_validate_assoc_resp(const struct wpabuf *wps_ie)
+{
+	struct wps_parse_attr attr;
+	int wps2;
+
+	if (wps_ie == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No WPS IE in "
+			   "(Re)Association Response frame");
+		return -1;
+	}
+	if (wps_parse_msg(wps_ie, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse WPS IE in "
+			   "(Re)Association Response frame");
+		return -1;
+	}
+
+	wps2 = attr.version2 != NULL;
+	if (wps_validate_version(attr.version, 1) ||
+	    wps_validate_response_type(attr.response_type, 1) ||
+	    wps_validate_version2(attr.version2, wps2)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid (Re)Association "
+			   "Response frame");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+int wps_validate_m1(const struct wpabuf *tlvs)
+{
+	struct wps_parse_attr attr;
+	int wps2;
+
+	if (tlvs == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No TLVs in M1");
+		return -1;
+	}
+	if (wps_parse_msg(tlvs, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse attributes "
+			   "in M1");
+		return -1;
+	}
+
+	wps2 = attr.version2 != NULL;
+	if (wps_validate_version(attr.version, 1) ||
+	    wps_validate_msg_type(attr.msg_type, 1) ||
+	    wps_validate_uuid_e(attr.uuid_e, 1) ||
+	    wps_validate_mac_addr(attr.mac_addr, 1) ||
+	    wps_validate_enrollee_nonce(attr.enrollee_nonce, 1) ||
+	    wps_validate_public_key(attr.public_key, attr.public_key_len, 1) ||
+	    wps_validate_auth_type_flags(attr.auth_type_flags, 1) ||
+	    wps_validate_encr_type_flags(attr.encr_type_flags, 1) ||
+	    wps_validate_conn_type_flags(attr.conn_type_flags, 1) ||
+	    wps_validate_config_methods(attr.config_methods, wps2, 1) ||
+	    wps_validate_wps_state(attr.wps_state, 1) ||
+	    wps_validate_manufacturer(attr.manufacturer, attr.manufacturer_len,
+				      1) ||
+	    wps_validate_model_name(attr.model_name, attr.model_name_len, 1) ||
+	    wps_validate_model_number(attr.model_number, attr.model_number_len,
+				      1) ||
+	    wps_validate_serial_number(attr.serial_number,
+				       attr.serial_number_len, 1) ||
+	    wps_validate_primary_dev_type(attr.primary_dev_type, 1) ||
+	    wps_validate_dev_name(attr.dev_name, attr.dev_name_len, 1) ||
+	    wps_validate_rf_bands(attr.rf_bands, 1) ||
+	    wps_validate_assoc_state(attr.assoc_state, 1) ||
+	    wps_validate_dev_password_id(attr.dev_password_id, 1) ||
+	    wps_validate_config_error(attr.config_error, 1) ||
+	    wps_validate_os_version(attr.os_version, 1) ||
+	    wps_validate_version2(attr.version2, wps2) ||
+	    wps_validate_request_to_enroll(attr.request_to_enroll, 0)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid M1");
+#ifdef WPS_STRICT_WPS2
+		if (wps2)
+			return -1;
+#else /* WPS_STRICT_WPS2 */
+		return -1;
+#endif /* WPS_STRICT_WPS2 */
+	}
+
+	return 0;
+}
+
+
+int wps_validate_m2(const struct wpabuf *tlvs)
+{
+	struct wps_parse_attr attr;
+	int wps2;
+
+	if (tlvs == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No TLVs in M2");
+		return -1;
+	}
+	if (wps_parse_msg(tlvs, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse attributes "
+			   "in M2");
+		return -1;
+	}
+
+	wps2 = attr.version2 != NULL;
+	if (wps_validate_version(attr.version, 1) ||
+	    wps_validate_msg_type(attr.msg_type, 1) ||
+	    wps_validate_enrollee_nonce(attr.enrollee_nonce, 1) ||
+	    wps_validate_registrar_nonce(attr.registrar_nonce, 1) ||
+	    wps_validate_uuid_r(attr.uuid_r, 1) ||
+	    wps_validate_public_key(attr.public_key, attr.public_key_len, 1) ||
+	    wps_validate_auth_type_flags(attr.auth_type_flags, 1) ||
+	    wps_validate_encr_type_flags(attr.encr_type_flags, 1) ||
+	    wps_validate_conn_type_flags(attr.conn_type_flags, 1) ||
+	    wps_validate_config_methods(attr.config_methods, wps2, 1) ||
+	    wps_validate_manufacturer(attr.manufacturer, attr.manufacturer_len,
+				      1) ||
+	    wps_validate_model_name(attr.model_name, attr.model_name_len, 1) ||
+	    wps_validate_model_number(attr.model_number, attr.model_number_len,
+				      1) ||
+	    wps_validate_serial_number(attr.serial_number,
+				       attr.serial_number_len, 1) ||
+	    wps_validate_primary_dev_type(attr.primary_dev_type, 1) ||
+	    wps_validate_dev_name(attr.dev_name, attr.dev_name_len, 1) ||
+	    wps_validate_rf_bands(attr.rf_bands, 1) ||
+	    wps_validate_assoc_state(attr.assoc_state, 1) ||
+	    wps_validate_config_error(attr.config_error, 1) ||
+	    wps_validate_dev_password_id(attr.dev_password_id, 1) ||
+	    wps_validate_os_version(attr.os_version, 1) ||
+	    wps_validate_version2(attr.version2, wps2) ||
+	    wps_validate_authenticator(attr.authenticator, 1)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid M2");
+#ifdef WPS_STRICT_WPS2
+		if (wps2)
+			return -1;
+#else /* WPS_STRICT_WPS2 */
+		return -1;
+#endif /* WPS_STRICT_WPS2 */
+	}
+
+	return 0;
+}
+
+
+int wps_validate_m2d(const struct wpabuf *tlvs)
+{
+	struct wps_parse_attr attr;
+	int wps2;
+
+	if (tlvs == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No TLVs in M2D");
+		return -1;
+	}
+	if (wps_parse_msg(tlvs, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse attributes "
+			   "in M2D");
+		return -1;
+	}
+
+	wps2 = attr.version2 != NULL;
+	if (wps_validate_version(attr.version, 1) ||
+	    wps_validate_msg_type(attr.msg_type, 1) ||
+	    wps_validate_enrollee_nonce(attr.enrollee_nonce, 1) ||
+	    wps_validate_registrar_nonce(attr.registrar_nonce, 1) ||
+	    wps_validate_uuid_r(attr.uuid_r, 1) ||
+	    wps_validate_auth_type_flags(attr.auth_type_flags, 1) ||
+	    wps_validate_encr_type_flags(attr.encr_type_flags, 1) ||
+	    wps_validate_conn_type_flags(attr.conn_type_flags, 1) ||
+	    wps_validate_config_methods(attr.config_methods, wps2, 1) ||
+	    wps_validate_manufacturer(attr.manufacturer, attr.manufacturer_len,
+				      1) ||
+	    wps_validate_model_name(attr.model_name, attr.model_name_len, 1) ||
+	    wps_validate_model_number(attr.model_number, attr.model_number_len,
+				      1) ||
+	    wps_validate_serial_number(attr.serial_number,
+				       attr.serial_number_len, 1) ||
+	    wps_validate_primary_dev_type(attr.primary_dev_type, 1) ||
+	    wps_validate_dev_name(attr.dev_name, attr.dev_name_len, 1) ||
+	    wps_validate_rf_bands(attr.rf_bands, 1) ||
+	    wps_validate_assoc_state(attr.assoc_state, 1) ||
+	    wps_validate_config_error(attr.config_error, 1) ||
+	    wps_validate_os_version(attr.os_version, 1) ||
+	    wps_validate_version2(attr.version2, wps2)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid M2D");
+#ifdef WPS_STRICT_WPS2
+		if (wps2)
+			return -1;
+#else /* WPS_STRICT_WPS2 */
+		return -1;
+#endif /* WPS_STRICT_WPS2 */
+	}
+
+	return 0;
+}
+
+
+int wps_validate_m3(const struct wpabuf *tlvs)
+{
+	struct wps_parse_attr attr;
+	int wps2;
+
+	if (tlvs == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No TLVs in M3");
+		return -1;
+	}
+	if (wps_parse_msg(tlvs, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse attributes "
+			   "in M3");
+		return -1;
+	}
+
+	wps2 = attr.version2 != NULL;
+	if (wps_validate_version(attr.version, 1) ||
+	    wps_validate_msg_type(attr.msg_type, 1) ||
+	    wps_validate_registrar_nonce(attr.registrar_nonce, 1) ||
+	    wps_validate_e_hash1(attr.e_hash1, 1) ||
+	    wps_validate_e_hash2(attr.e_hash2, 1) ||
+	    wps_validate_version2(attr.version2, wps2) ||
+	    wps_validate_authenticator(attr.authenticator, 1)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid M3");
+#ifdef WPS_STRICT_WPS2
+		if (wps2)
+			return -1;
+#else /* WPS_STRICT_WPS2 */
+		return -1;
+#endif /* WPS_STRICT_WPS2 */
+	}
+
+	return 0;
+}
+
+
+int wps_validate_m4(const struct wpabuf *tlvs)
+{
+	struct wps_parse_attr attr;
+	int wps2;
+
+	if (tlvs == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No TLVs in M4");
+		return -1;
+	}
+	if (wps_parse_msg(tlvs, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse attributes "
+			   "in M4");
+		return -1;
+	}
+
+	wps2 = attr.version2 != NULL;
+	if (wps_validate_version(attr.version, 1) ||
+	    wps_validate_msg_type(attr.msg_type, 1) ||
+	    wps_validate_enrollee_nonce(attr.enrollee_nonce, 1) ||
+	    wps_validate_r_hash1(attr.r_hash1, 1) ||
+	    wps_validate_r_hash2(attr.r_hash2, 1) ||
+	    wps_validate_encr_settings(attr.encr_settings,
+				       attr.encr_settings_len, 1) ||
+	    wps_validate_version2(attr.version2, wps2) ||
+	    wps_validate_authenticator(attr.authenticator, 1)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid M4");
+#ifdef WPS_STRICT_WPS2
+		if (wps2)
+			return -1;
+#else /* WPS_STRICT_WPS2 */
+		return -1;
+#endif /* WPS_STRICT_WPS2 */
+	}
+
+	return 0;
+}
+
+
+int wps_validate_m4_encr(const struct wpabuf *tlvs, int wps2)
+{
+	struct wps_parse_attr attr;
+
+	if (tlvs == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No TLVs in M4 encrypted "
+			   "settings");
+		return -1;
+	}
+	if (wps_parse_msg(tlvs, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse attributes "
+			   "in M4 encrypted settings");
+		return -1;
+	}
+
+	if (wps_validate_r_snonce1(attr.r_snonce1, 1) ||
+	    wps_validate_key_wrap_auth(attr.key_wrap_auth, 1)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid M4 encrypted "
+			   "settings");
+#ifdef WPS_STRICT_WPS2
+		if (wps2)
+			return -1;
+#else /* WPS_STRICT_WPS2 */
+		return -1;
+#endif /* WPS_STRICT_WPS2 */
+	}
+
+	return 0;
+}
+
+
+int wps_validate_m5(const struct wpabuf *tlvs)
+{
+	struct wps_parse_attr attr;
+	int wps2;
+
+	if (tlvs == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No TLVs in M5");
+		return -1;
+	}
+	if (wps_parse_msg(tlvs, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse attributes "
+			   "in M5");
+		return -1;
+	}
+
+	wps2 = attr.version2 != NULL;
+	if (wps_validate_version(attr.version, 1) ||
+	    wps_validate_msg_type(attr.msg_type, 1) ||
+	    wps_validate_registrar_nonce(attr.registrar_nonce, 1) ||
+	    wps_validate_encr_settings(attr.encr_settings,
+				       attr.encr_settings_len, 1) ||
+	    wps_validate_version2(attr.version2, wps2) ||
+	    wps_validate_authenticator(attr.authenticator, 1)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid M5");
+#ifdef WPS_STRICT_WPS2
+		if (wps2)
+			return -1;
+#else /* WPS_STRICT_WPS2 */
+		return -1;
+#endif /* WPS_STRICT_WPS2 */
+	}
+
+	return 0;
+}
+
+
+int wps_validate_m5_encr(const struct wpabuf *tlvs, int wps2)
+{
+	struct wps_parse_attr attr;
+
+	if (tlvs == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No TLVs in M5 encrypted "
+			   "settings");
+		return -1;
+	}
+	if (wps_parse_msg(tlvs, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse attributes "
+			   "in M5 encrypted settings");
+		return -1;
+	}
+
+	if (wps_validate_e_snonce1(attr.e_snonce1, 1) ||
+	    wps_validate_key_wrap_auth(attr.key_wrap_auth, 1)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid M5 encrypted "
+			   "settings");
+#ifdef WPS_STRICT_WPS2
+		if (wps2)
+			return -1;
+#else /* WPS_STRICT_WPS2 */
+		return -1;
+#endif /* WPS_STRICT_WPS2 */
+	}
+
+	return 0;
+}
+
+
+int wps_validate_m6(const struct wpabuf *tlvs)
+{
+	struct wps_parse_attr attr;
+	int wps2;
+
+	if (tlvs == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No TLVs in M6");
+		return -1;
+	}
+	if (wps_parse_msg(tlvs, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse attributes "
+			   "in M6");
+		return -1;
+	}
+
+	wps2 = attr.version2 != NULL;
+	if (wps_validate_version(attr.version, 1) ||
+	    wps_validate_msg_type(attr.msg_type, 1) ||
+	    wps_validate_enrollee_nonce(attr.enrollee_nonce, 1) ||
+	    wps_validate_encr_settings(attr.encr_settings,
+				       attr.encr_settings_len, 1) ||
+	    wps_validate_version2(attr.version2, wps2) ||
+	    wps_validate_authenticator(attr.authenticator, 1)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid M6");
+#ifdef WPS_STRICT_WPS2
+		if (wps2)
+			return -1;
+#else /* WPS_STRICT_WPS2 */
+		return -1;
+#endif /* WPS_STRICT_WPS2 */
+	}
+
+	return 0;
+}
+
+
+int wps_validate_m6_encr(const struct wpabuf *tlvs, int wps2)
+{
+	struct wps_parse_attr attr;
+
+	if (tlvs == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No TLVs in M6 encrypted "
+			   "settings");
+		return -1;
+	}
+	if (wps_parse_msg(tlvs, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse attributes "
+			   "in M6 encrypted settings");
+		return -1;
+	}
+
+	if (wps_validate_r_snonce2(attr.r_snonce2, 1) ||
+	    wps_validate_key_wrap_auth(attr.key_wrap_auth, 1)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid M6 encrypted "
+			   "settings");
+#ifdef WPS_STRICT_WPS2
+		if (wps2)
+			return -1;
+#else /* WPS_STRICT_WPS2 */
+		return -1;
+#endif /* WPS_STRICT_WPS2 */
+	}
+
+	return 0;
+}
+
+
+int wps_validate_m7(const struct wpabuf *tlvs)
+{
+	struct wps_parse_attr attr;
+	int wps2;
+
+	if (tlvs == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No TLVs in M7");
+		return -1;
+	}
+	if (wps_parse_msg(tlvs, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse attributes "
+			   "in M7");
+		return -1;
+	}
+
+	wps2 = attr.version2 != NULL;
+	if (wps_validate_version(attr.version, 1) ||
+	    wps_validate_msg_type(attr.msg_type, 1) ||
+	    wps_validate_registrar_nonce(attr.registrar_nonce, 1) ||
+	    wps_validate_encr_settings(attr.encr_settings,
+				       attr.encr_settings_len, 1) ||
+	    wps_validate_settings_delay_time(attr.settings_delay_time, 0) ||
+	    wps_validate_version2(attr.version2, wps2) ||
+	    wps_validate_authenticator(attr.authenticator, 1)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid M7");
+#ifdef WPS_STRICT_WPS2
+		if (wps2)
+			return -1;
+#else /* WPS_STRICT_WPS2 */
+		return -1;
+#endif /* WPS_STRICT_WPS2 */
+	}
+
+	return 0;
+}
+
+
+int wps_validate_m7_encr(const struct wpabuf *tlvs, int ap, int wps2)
+{
+	struct wps_parse_attr attr;
+
+	if (tlvs == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No TLVs in M7 encrypted "
+			   "settings");
+		return -1;
+	}
+	if (wps_parse_msg(tlvs, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse attributes "
+			   "in M7 encrypted settings");
+		return -1;
+	}
+
+	if (wps_validate_e_snonce2(attr.e_snonce2, 1) ||
+	    wps_validate_ssid(attr.ssid, attr.ssid_len, !ap) ||
+	    wps_validate_mac_addr(attr.mac_addr, !ap) ||
+	    wps_validate_auth_type(attr.auth_type, !ap) ||
+	    wps_validate_encr_type(attr.encr_type, !ap) ||
+	    wps_validate_network_key_index(attr.network_key_idx, 0) ||
+	    wps_validate_network_key(attr.network_key, attr.network_key_len,
+				     attr.encr_type, !ap) ||
+	    wps_validate_key_wrap_auth(attr.key_wrap_auth, 1)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid M7 encrypted "
+			   "settings");
+#ifdef WPS_STRICT_WPS2
+		if (wps2)
+			return -1;
+#else /* WPS_STRICT_WPS2 */
+		return -1;
+#endif /* WPS_STRICT_WPS2 */
+	}
+
+	return 0;
+}
+
+
+int wps_validate_m8(const struct wpabuf *tlvs)
+{
+	struct wps_parse_attr attr;
+	int wps2;
+
+	if (tlvs == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No TLVs in M8");
+		return -1;
+	}
+	if (wps_parse_msg(tlvs, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse attributes "
+			   "in M8");
+		return -1;
+	}
+
+	wps2 = attr.version2 != NULL;
+	if (wps_validate_version(attr.version, 1) ||
+	    wps_validate_msg_type(attr.msg_type, 1) ||
+	    wps_validate_enrollee_nonce(attr.enrollee_nonce, 1) ||
+	    wps_validate_encr_settings(attr.encr_settings,
+				       attr.encr_settings_len, 1) ||
+	    wps_validate_version2(attr.version2, wps2) ||
+	    wps_validate_authenticator(attr.authenticator, 1)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid M8");
+#ifdef WPS_STRICT_WPS2
+		if (wps2)
+			return -1;
+#else /* WPS_STRICT_WPS2 */
+		return -1;
+#endif /* WPS_STRICT_WPS2 */
+	}
+
+	return 0;
+}
+
+
+int wps_validate_m8_encr(const struct wpabuf *tlvs, int ap, int wps2)
+{
+	struct wps_parse_attr attr;
+
+	if (tlvs == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No TLVs in M8 encrypted "
+			   "settings");
+		return -1;
+	}
+	if (wps_parse_msg(tlvs, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse attributes "
+			   "in M8 encrypted settings");
+		return -1;
+	}
+
+	if (wps_validate_ssid(attr.ssid, attr.ssid_len, ap) ||
+	    wps_validate_auth_type(attr.auth_type, ap) ||
+	    wps_validate_encr_type(attr.encr_type, ap) ||
+	    wps_validate_network_key_index(attr.network_key_idx, 0) ||
+	    wps_validate_mac_addr(attr.mac_addr, ap) ||
+	    wps_validate_credential(attr.cred, attr.cred_len, attr.num_cred,
+				    !ap) ||
+	    wps_validate_key_wrap_auth(attr.key_wrap_auth, 1)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid M8 encrypted "
+			   "settings");
+#ifdef WPS_STRICT_WPS2
+		if (wps2)
+			return -1;
+#else /* WPS_STRICT_WPS2 */
+		return -1;
+#endif /* WPS_STRICT_WPS2 */
+	}
+
+	return 0;
+}
+
+
+int wps_validate_wsc_ack(const struct wpabuf *tlvs)
+{
+	struct wps_parse_attr attr;
+	int wps2;
+
+	if (tlvs == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No TLVs in WSC_ACK");
+		return -1;
+	}
+	if (wps_parse_msg(tlvs, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse attributes "
+			   "in WSC_ACK");
+		return -1;
+	}
+
+	wps2 = attr.version2 != NULL;
+	if (wps_validate_version(attr.version, 1) ||
+	    wps_validate_msg_type(attr.msg_type, 1) ||
+	    wps_validate_enrollee_nonce(attr.enrollee_nonce, 1) ||
+	    wps_validate_registrar_nonce(attr.registrar_nonce, 1) ||
+	    wps_validate_version2(attr.version2, wps2)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid WSC_ACK");
+#ifdef WPS_STRICT_WPS2
+		if (wps2)
+			return -1;
+#else /* WPS_STRICT_WPS2 */
+		return -1;
+#endif /* WPS_STRICT_WPS2 */
+	}
+
+	return 0;
+}
+
+
+int wps_validate_wsc_nack(const struct wpabuf *tlvs)
+{
+	struct wps_parse_attr attr;
+	int wps2;
+
+	if (tlvs == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No TLVs in WSC_NACK");
+		return -1;
+	}
+	if (wps_parse_msg(tlvs, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse attributes "
+			   "in WSC_NACK");
+		return -1;
+	}
+
+	wps2 = attr.version2 != NULL;
+	if (wps_validate_version(attr.version, 1) ||
+	    wps_validate_msg_type(attr.msg_type, 1) ||
+	    wps_validate_enrollee_nonce(attr.enrollee_nonce, 1) ||
+	    wps_validate_registrar_nonce(attr.registrar_nonce, 1) ||
+	    wps_validate_config_error(attr.config_error, 1) ||
+	    wps_validate_version2(attr.version2, wps2)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid WSC_NACK");
+#ifdef WPS_STRICT_WPS2
+		if (wps2)
+			return -1;
+#else /* WPS_STRICT_WPS2 */
+		return -1;
+#endif /* WPS_STRICT_WPS2 */
+	}
+
+	return 0;
+}
+
+
+int wps_validate_wsc_done(const struct wpabuf *tlvs)
+{
+	struct wps_parse_attr attr;
+	int wps2;
+
+	if (tlvs == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No TLVs in WSC_Done");
+		return -1;
+	}
+	if (wps_parse_msg(tlvs, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse attributes "
+			   "in WSC_Done");
+		return -1;
+	}
+
+	wps2 = attr.version2 != NULL;
+	if (wps_validate_version(attr.version, 1) ||
+	    wps_validate_msg_type(attr.msg_type, 1) ||
+	    wps_validate_enrollee_nonce(attr.enrollee_nonce, 1) ||
+	    wps_validate_registrar_nonce(attr.registrar_nonce, 1) ||
+	    wps_validate_version2(attr.version2, wps2)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid WSC_Done");
+#ifdef WPS_STRICT_WPS2
+		if (wps2)
+			return -1;
+#else /* WPS_STRICT_WPS2 */
+		return -1;
+#endif /* WPS_STRICT_WPS2 */
+	}
+
+	return 0;
+}
+
+
+int wps_validate_upnp_set_selected_registrar(const struct wpabuf *tlvs)
+{
+	struct wps_parse_attr attr;
+	int wps2;
+	int sel_reg;
+
+	if (tlvs == NULL) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: No TLVs in "
+			   "SetSelectedRegistrar");
+		return -1;
+	}
+	if (wps_parse_msg(tlvs, &attr) < 0) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Failed to parse attributes "
+			   "in SetSelectedRegistrar");
+		return -1;
+	}
+
+	wps2 = attr.version2 != NULL;
+	sel_reg = attr.selected_registrar != NULL &&
+		*attr.selected_registrar != 0;
+	if (wps_validate_version(attr.version, 1) ||
+	    wps_validate_dev_password_id(attr.dev_password_id, sel_reg) ||
+	    wps_validate_sel_reg_config_methods(attr.sel_reg_config_methods,
+						wps2, sel_reg) ||
+	    wps_validate_version2(attr.version2, wps2) ||
+	    wps_validate_authorized_macs(attr.authorized_macs,
+					 attr.authorized_macs_len, wps2) ||
+	    wps_validate_uuid_r(attr.uuid_r, wps2)) {
+		wpa_printf(MSG_INFO, "WPS-STRICT: Invalid "
+			   "SetSelectedRegistrar");
+#ifdef WPS_STRICT_WPS2
+		if (wps2)
+			return -1;
+#else /* WPS_STRICT_WPS2 */
+		return -1;
+#endif /* WPS_STRICT_WPS2 */
+	}
+
+	return 0;
+}