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>

1 files changed, 1676 insertions, 0 deletions

diff --git a/wpa_supplicant/wps_supplicant.c b/wpa_supplicant/wps_supplicant.c
new file mode 100644
index 0000000..778ccaf
--- /dev/null
+++ b/wpa_supplicant/wps_supplicant.c
@@ -0,0 +1,1676 @@
+/*
+ * wpa_supplicant / 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 "includes.h"
+
+#include "common.h"
+#include "eloop.h"
+#include "uuid.h"
+#include "crypto/dh_group5.h"
+#include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
+#include "common/wpa_common.h"
+#include "common/wpa_ctrl.h"
+#include "eap_common/eap_wsc_common.h"
+#include "eap_peer/eap.h"
+#include "rsn_supp/wpa.h"
+#include "config.h"
+#include "wpa_supplicant_i.h"
+#include "driver_i.h"
+#include "notify.h"
+#include "blacklist.h"
+#include "bss.h"
+#include "scan.h"
+#include "ap.h"
+#include "p2p/p2p.h"
+#include "p2p_supplicant.h"
+#include "wps_supplicant.h"
+
+
+#ifndef WPS_PIN_SCAN_IGNORE_SEL_REG
+#define WPS_PIN_SCAN_IGNORE_SEL_REG 3
+#endif /* WPS_PIN_SCAN_IGNORE_SEL_REG */
+
+static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx);
+static void wpas_clear_wps(struct wpa_supplicant *wpa_s);
+
+
+int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
+{
+	if (!wpa_s->wps_success &&
+	    wpa_s->current_ssid &&
+	    eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) {
+		const u8 *bssid = wpa_s->bssid;
+		if (is_zero_ether_addr(bssid))
+			bssid = wpa_s->pending_bssid;
+
+		wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR
+			   " did not succeed - continue trying to find "
+			   "suitable AP", MAC2STR(bssid));
+		wpa_blacklist_add(wpa_s, bssid);
+
+		wpa_supplicant_deauthenticate(wpa_s,
+					      WLAN_REASON_DEAUTH_LEAVING);
+		wpa_s->reassociate = 1;
+		wpa_supplicant_req_scan(wpa_s,
+					wpa_s->blacklist_cleared ? 5 : 0, 0);
+		wpa_s->blacklist_cleared = 0;
+		return 1;
+	}
+
+	eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
+	if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && !wpa_s->wps_success)
+		wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL);
+
+	if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid &&
+	    !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
+		int disabled = wpa_s->current_ssid->disabled;
+		wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - "
+			   "try to associate with the received credential");
+		wpa_supplicant_deauthenticate(wpa_s,
+					      WLAN_REASON_DEAUTH_LEAVING);
+		if (disabled) {
+			wpa_printf(MSG_DEBUG, "WPS: Current network is "
+				   "disabled - wait for user to enable");
+			return 1;
+		}
+		wpa_s->after_wps = 5;
+		wpa_s->wps_freq = wpa_s->assoc_freq;
+		wpa_s->reassociate = 1;
+		wpa_supplicant_req_scan(wpa_s, 0, 0);
+		return 1;
+	}
+
+	if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) {
+		wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting "
+			   "for external credential processing");
+		wpas_clear_wps(wpa_s);
+		wpa_supplicant_deauthenticate(wpa_s,
+					      WLAN_REASON_DEAUTH_LEAVING);
+		return 1;
+	}
+
+	return 0;
+}
+
+
+static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s,
+					 struct wpa_ssid *ssid,
+					 const struct wps_credential *cred)
+{
+	struct wpa_driver_capa capa;
+	struct wpa_bss *bss;
+	const u8 *ie;
+	struct wpa_ie_data adv;
+	int wpa2 = 0, ccmp = 0;
+
+	/*
+	 * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in
+	 * case they are configured for mixed mode operation (WPA+WPA2 and
+	 * TKIP+CCMP). Try to use scan results to figure out whether the AP
+	 * actually supports stronger security and select that if the client
+	 * has support for it, too.
+	 */
+
+	if (wpa_drv_get_capa(wpa_s, &capa))
+		return; /* Unknown what driver supports */
+
+	bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len);
+	if (bss == NULL) {
+		wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS "
+			   "table - use credential as-is");
+		return;
+	}
+
+	wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table");
+
+	ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
+	if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) {
+		wpa2 = 1;
+		if (adv.pairwise_cipher & WPA_CIPHER_CCMP)
+			ccmp = 1;
+	} else {
+		ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
+		if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 &&
+		    adv.pairwise_cipher & WPA_CIPHER_CCMP)
+			ccmp = 1;
+	}
+
+	if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) &&
+	    (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) {
+		/*
+		 * TODO: This could be the initial AP configuration and the
+		 * Beacon contents could change shortly. Should request a new
+		 * scan and delay addition of the network until the updated
+		 * scan results are available.
+		 */
+		wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA "
+			   "support - use credential as-is");
+		return;
+	}
+
+	if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
+	    (ssid->pairwise_cipher & WPA_CIPHER_TKIP) &&
+	    (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
+		wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential "
+			   "based on scan results");
+		if (wpa_s->conf->ap_scan == 1)
+			ssid->pairwise_cipher |= WPA_CIPHER_CCMP;
+		else
+			ssid->pairwise_cipher = WPA_CIPHER_CCMP;
+	}
+
+	if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) &&
+	    (ssid->proto & WPA_PROTO_WPA) &&
+	    (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) {
+		wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential "
+			   "based on scan results");
+		if (wpa_s->conf->ap_scan == 1)
+			ssid->proto |= WPA_PROTO_RSN;
+		else
+			ssid->proto = WPA_PROTO_RSN;
+	}
+}
+
+
+static int wpa_supplicant_wps_cred(void *ctx,
+				   const struct wps_credential *cred)
+{
+	struct wpa_supplicant *wpa_s = ctx;
+	struct wpa_ssid *ssid = wpa_s->current_ssid;
+	u8 key_idx = 0;
+	u16 auth_type;
+	int registrar = 0;
+
+	if ((wpa_s->conf->wps_cred_processing == 1 ||
+	     wpa_s->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(wpa_s, MSG_INFO, "%s%s",
+				WPS_EVENT_CRED_RECEIVED, buf);
+			os_free(buf);
+		}
+
+		wpas_notify_wps_credential(wpa_s, cred);
+	} else
+		wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED);
+
+	wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
+			cred->cred_attr, cred->cred_attr_len);
+
+	if (wpa_s->conf->wps_cred_processing == 1)
+		return 0;
+
+	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));
+
+	auth_type = cred->auth_type;
+	if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
+		wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode "
+			   "auth_type into WPA2PSK");
+		auth_type = WPS_AUTH_WPA2PSK;
+	}
+
+	if (auth_type != WPS_AUTH_OPEN &&
+	    auth_type != WPS_AUTH_SHARED &&
+	    auth_type != WPS_AUTH_WPAPSK &&
+	    auth_type != WPS_AUTH_WPA2PSK) {
+		wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for "
+			   "unsupported authentication type 0x%x",
+			   auth_type);
+		return 0;
+	}
+
+	if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
+		wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based "
+			   "on the received credential");
+		if (ssid->eap.identity &&
+		    ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN &&
+		    os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR,
+			      WSC_ID_REGISTRAR_LEN) == 0)
+			registrar = 1;
+		os_free(ssid->eap.identity);
+		ssid->eap.identity = NULL;
+		ssid->eap.identity_len = 0;
+		os_free(ssid->eap.phase1);
+		ssid->eap.phase1 = NULL;
+		os_free(ssid->eap.eap_methods);
+		ssid->eap.eap_methods = NULL;
+		if (!ssid->p2p_group)
+			ssid->temporary = 0;
+	} else {
+		wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the "
+			   "received credential");
+		ssid = wpa_config_add_network(wpa_s->conf);
+		if (ssid == NULL)
+			return -1;
+		wpas_notify_network_added(wpa_s, ssid);
+	}
+
+	wpa_config_set_network_defaults(ssid);
+
+	os_free(ssid->ssid);
+	ssid->ssid = os_malloc(cred->ssid_len);
+	if (ssid->ssid) {
+		os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len);
+		ssid->ssid_len = cred->ssid_len;
+	}
+
+	switch (cred->encr_type) {
+	case WPS_ENCR_NONE:
+		break;
+	case WPS_ENCR_WEP:
+		if (cred->key_len <= 0)
+			break;
+		if (cred->key_len != 5 && cred->key_len != 13 &&
+		    cred->key_len != 10 && cred->key_len != 26) {
+			wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key length "
+				   "%lu", (unsigned long) cred->key_len);
+			return -1;
+		}
+		if (cred->key_idx > NUM_WEP_KEYS) {
+			wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key index %d",
+				   cred->key_idx);
+			return -1;
+		}
+		if (cred->key_idx)
+			key_idx = cred->key_idx - 1;
+		if (cred->key_len == 10 || cred->key_len == 26) {
+			if (hexstr2bin((char *) cred->key,
+				       ssid->wep_key[key_idx],
+				       cred->key_len / 2) < 0) {
+				wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key "
+					   "%d", key_idx);
+				return -1;
+			}
+			ssid->wep_key_len[key_idx] = cred->key_len / 2;
+		} else {
+			os_memcpy(ssid->wep_key[key_idx], cred->key,
+				  cred->key_len);
+			ssid->wep_key_len[key_idx] = cred->key_len;
+		}
+		ssid->wep_tx_keyidx = key_idx;
+		break;
+	case WPS_ENCR_TKIP:
+		ssid->pairwise_cipher = WPA_CIPHER_TKIP;
+		break;
+	case WPS_ENCR_AES:
+		ssid->pairwise_cipher = WPA_CIPHER_CCMP;
+		break;
+	}
+
+	switch (auth_type) {
+	case WPS_AUTH_OPEN:
+		ssid->auth_alg = WPA_AUTH_ALG_OPEN;
+		ssid->key_mgmt = WPA_KEY_MGMT_NONE;
+		ssid->proto = 0;
+#ifdef CONFIG_WPS_REG_DISABLE_OPEN
+		if (registrar) {
+			wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK
+				"id=%d - Credentials for an open "
+				"network disabled by default - use "
+				"'select_network %d' to enable",
+				ssid->id, ssid->id);
+			ssid->disabled = 1;
+		}
+#endif /* CONFIG_WPS_REG_DISABLE_OPEN */
+		break;
+	case WPS_AUTH_SHARED:
+		ssid->auth_alg = WPA_AUTH_ALG_SHARED;
+		ssid->key_mgmt = WPA_KEY_MGMT_NONE;
+		ssid->proto = 0;
+		break;
+	case WPS_AUTH_WPAPSK:
+		ssid->auth_alg = WPA_AUTH_ALG_OPEN;
+		ssid->key_mgmt = WPA_KEY_MGMT_PSK;
+		ssid->proto = WPA_PROTO_WPA;
+		break;
+	case WPS_AUTH_WPA:
+		ssid->auth_alg = WPA_AUTH_ALG_OPEN;
+		ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
+		ssid->proto = WPA_PROTO_WPA;
+		break;
+	case WPS_AUTH_WPA2:
+		ssid->auth_alg = WPA_AUTH_ALG_OPEN;
+		ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
+		ssid->proto = WPA_PROTO_RSN;
+		break;
+	case WPS_AUTH_WPA2PSK:
+		ssid->auth_alg = WPA_AUTH_ALG_OPEN;
+		ssid->key_mgmt = WPA_KEY_MGMT_PSK;
+		ssid->proto = WPA_PROTO_RSN;
+		break;
+	}
+
+	if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) {
+		if (cred->key_len == 2 * PMK_LEN) {
+			if (hexstr2bin((const char *) cred->key, ssid->psk,
+				       PMK_LEN)) {
+				wpa_printf(MSG_ERROR, "WPS: Invalid Network "
+					   "Key");
+				return -1;
+			}
+			ssid->psk_set = 1;
+			ssid->export_keys = 1;
+		} else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) {
+			os_free(ssid->passphrase);
+			ssid->passphrase = os_malloc(cred->key_len + 1);
+			if (ssid->passphrase == NULL)
+				return -1;
+			os_memcpy(ssid->passphrase, cred->key, cred->key_len);
+			ssid->passphrase[cred->key_len] = '\0';
+			wpa_config_update_psk(ssid);
+			ssid->export_keys = 1;
+		} else {
+			wpa_printf(MSG_ERROR, "WPS: Invalid Network Key "
+				   "length %lu",
+				   (unsigned long) cred->key_len);
+			return -1;
+		}
+	}
+
+	wpas_wps_security_workaround(wpa_s, ssid, cred);
+
+#ifndef CONFIG_NO_CONFIG_WRITE
+	if (wpa_s->conf->update_config &&
+	    wpa_config_write(wpa_s->confname, wpa_s->conf)) {
+		wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration");
+		return -1;
+	}
+#endif /* CONFIG_NO_CONFIG_WRITE */
+
+	return 0;
+}
+
+
+#ifdef CONFIG_P2P
+static void wpas_wps_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_supplicant *wpa_s = eloop_ctx;
+	wpas_p2p_notif_pbc_overlap(wpa_s);
+}
+#endif /* CONFIG_P2P */
+
+
+static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s,
+					 struct wps_event_m2d *m2d)
+{
+	wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D
+		"dev_password_id=%d config_error=%d",
+		m2d->dev_password_id, m2d->config_error);
+	wpas_notify_wps_event_m2d(wpa_s, m2d);
+#ifdef CONFIG_P2P
+	if (wpa_s->parent && wpa_s->parent != wpa_s) {
+		wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_M2D
+			"dev_password_id=%d config_error=%d",
+			m2d->dev_password_id, m2d->config_error);
+	}
+	if (m2d->config_error == WPS_CFG_MULTIPLE_PBC_DETECTED) {
+		/*
+		 * Notify P2P from eloop timeout to avoid issues with the
+		 * interface getting removed while processing a message.
+		 */
+		eloop_register_timeout(0, 0, wpas_wps_pbc_overlap_cb, wpa_s,
+				       NULL);
+	}
+#endif /* CONFIG_P2P */
+}
+
+
+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 wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
+					  struct wps_event_fail *fail)
+{
+	if (fail->error_indication > 0 &&
+	    fail->error_indication < NUM_WPS_EI_VALUES) {
+		wpa_msg(wpa_s, 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]);
+		if (wpa_s->parent && wpa_s->parent != wpa_s)
+			wpa_msg(wpa_s->parent, 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(wpa_s, MSG_INFO,
+			WPS_EVENT_FAIL "msg=%d config_error=%d",
+			fail->msg, fail->config_error);
+		if (wpa_s->parent && wpa_s->parent != wpa_s)
+			wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
+				"msg=%d config_error=%d",
+				fail->msg, fail->config_error);
+	}
+	wpas_clear_wps(wpa_s);
+	wpas_notify_wps_event_fail(wpa_s, fail);
+}
+
+
+static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s)
+{
+	wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS);
+	wpa_s->wps_success = 1;
+	wpas_notify_wps_event_success(wpa_s);
+#ifdef CONFIG_P2P
+	wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0);
+#endif /* CONFIG_P2P */
+}
+
+
+static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s,
+					       struct wps_event_er_ap *ap)
+{
+	char uuid_str[100];
+	char dev_type[WPS_DEV_TYPE_BUFSIZE];
+
+	uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
+	if (ap->pri_dev_type)
+		wps_dev_type_bin2str(ap->pri_dev_type, dev_type,
+				     sizeof(dev_type));
+	else
+		dev_type[0] = '\0';
+
+	wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR
+		" pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|",
+		uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state,
+		ap->friendly_name ? ap->friendly_name : "",
+		ap->manufacturer ? ap->manufacturer : "",
+		ap->model_description ? ap->model_description : "",
+		ap->model_name ? ap->model_name : "",
+		ap->manufacturer_url ? ap->manufacturer_url : "",
+		ap->model_url ? ap->model_url : "");
+}
+
+
+static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s,
+						  struct wps_event_er_ap *ap)
+{
+	char uuid_str[100];
+	uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
+	wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str);
+}
+
+
+static void wpa_supplicant_wps_event_er_enrollee_add(
+	struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
+{
+	char uuid_str[100];
+	char dev_type[WPS_DEV_TYPE_BUFSIZE];
+
+	uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
+	if (enrollee->pri_dev_type)
+		wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type,
+				     sizeof(dev_type));
+	else
+		dev_type[0] = '\0';
+
+	wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR
+		" M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s "
+		"|%s|%s|%s|%s|%s|",
+		uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received,
+		enrollee->config_methods, enrollee->dev_passwd_id, dev_type,
+		enrollee->dev_name ? enrollee->dev_name : "",
+		enrollee->manufacturer ? enrollee->manufacturer : "",
+		enrollee->model_name ? enrollee->model_name : "",
+		enrollee->model_number ? enrollee->model_number : "",
+		enrollee->serial_number ? enrollee->serial_number : "");
+}
+
+
+static void wpa_supplicant_wps_event_er_enrollee_remove(
+	struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
+{
+	char uuid_str[100];
+	uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
+	wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR,
+		uuid_str, MAC2STR(enrollee->mac_addr));
+}
+
+
+static void wpa_supplicant_wps_event_er_ap_settings(
+	struct wpa_supplicant *wpa_s,
+	struct wps_event_er_ap_settings *ap_settings)
+{
+	char uuid_str[100];
+	char key_str[65];
+	const struct wps_credential *cred = ap_settings->cred;
+
+	key_str[0] = '\0';
+	if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
+		if (cred->key_len >= 8 && cred->key_len <= 64) {
+			os_memcpy(key_str, cred->key, cred->key_len);
+			key_str[cred->key_len] = '\0';
+		}
+	}
+
+	uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str));
+	/* Use wpa_msg_ctrl to avoid showing the key in debug log */
+	wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS
+		     "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x "
+		     "key=%s",
+		     uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len),
+		     cred->auth_type, cred->encr_type, key_str);
+}
+
+
+static void wpa_supplicant_wps_event_er_set_sel_reg(
+	struct wpa_supplicant *wpa_s,
+	struct wps_event_er_set_selected_registrar *ev)
+{
+	char uuid_str[100];
+
+	uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str));
+	switch (ev->state) {
+	case WPS_ER_SET_SEL_REG_START:
+		wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
+			"uuid=%s state=START sel_reg=%d dev_passwd_id=%u "
+			"sel_reg_config_methods=0x%x",
+			uuid_str, ev->sel_reg, ev->dev_passwd_id,
+			ev->sel_reg_config_methods);
+		break;
+	case WPS_ER_SET_SEL_REG_DONE:
+		wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
+			"uuid=%s state=DONE", uuid_str);
+		break;
+	case WPS_ER_SET_SEL_REG_FAILED:
+		wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG
+			"uuid=%s state=FAILED", uuid_str);
+		break;
+	}
+}
+
+
+static void wpa_supplicant_wps_event(void *ctx, enum wps_event event,
+				     union wps_event_data *data)
+{
+	struct wpa_supplicant *wpa_s = ctx;
+	switch (event) {
+	case WPS_EV_M2D:
+		wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d);
+		break;
+	case WPS_EV_FAIL:
+		wpa_supplicant_wps_event_fail(wpa_s, &data->fail);
+		break;
+	case WPS_EV_SUCCESS:
+		wpa_supplicant_wps_event_success(wpa_s);
+		break;
+	case WPS_EV_PWD_AUTH_FAIL:
+#ifdef CONFIG_AP
+		if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee)
+			wpa_supplicant_ap_pwd_auth_fail(wpa_s);
+#endif /* CONFIG_AP */
+		break;
+	case WPS_EV_PBC_OVERLAP:
+		break;
+	case WPS_EV_PBC_TIMEOUT:
+		break;
+	case WPS_EV_ER_AP_ADD:
+		wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap);
+		break;
+	case WPS_EV_ER_AP_REMOVE:
+		wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap);
+		break;
+	case WPS_EV_ER_ENROLLEE_ADD:
+		wpa_supplicant_wps_event_er_enrollee_add(wpa_s,
+							 &data->enrollee);
+		break;
+	case WPS_EV_ER_ENROLLEE_REMOVE:
+		wpa_supplicant_wps_event_er_enrollee_remove(wpa_s,
+							    &data->enrollee);
+		break;
+	case WPS_EV_ER_AP_SETTINGS:
+		wpa_supplicant_wps_event_er_ap_settings(wpa_s,
+							&data->ap_settings);
+		break;
+	case WPS_EV_ER_SET_SELECTED_REGISTRAR:
+		wpa_supplicant_wps_event_er_set_sel_reg(wpa_s,
+							&data->set_sel_reg);
+		break;
+	}
+}
+
+
+enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid)
+{
+	if (eap_is_wps_pbc_enrollee(&ssid->eap) ||
+	    eap_is_wps_pin_enrollee(&ssid->eap))
+		return WPS_REQ_ENROLLEE;
+	else
+		return WPS_REQ_REGISTRAR;
+}
+
+
+static void wpas_clear_wps(struct wpa_supplicant *wpa_s)
+{
+	int id;
+	struct wpa_ssid *ssid, *remove_ssid = NULL;
+
+	eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
+
+	/* Remove any existing WPS network from configuration */
+	ssid = wpa_s->conf->ssid;
+	while (ssid) {
+		if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
+			if (ssid == wpa_s->current_ssid) {
+				wpa_s->current_ssid = NULL;
+				if (ssid != NULL)
+					wpas_notify_network_changed(wpa_s);
+			}
+			id = ssid->id;
+			remove_ssid = ssid;
+		} else
+			id = -1;
+		ssid = ssid->next;
+		if (id >= 0) {
+			wpas_notify_network_removed(wpa_s, remove_ssid);
+			wpa_config_remove_network(wpa_s->conf, id);
+		}
+	}
+}
+
+
+static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_supplicant *wpa_s = eloop_ctx;
+	wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed "
+		"out");
+	wpas_clear_wps(wpa_s);
+}
+
+
+static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s,
+					      int registrar, const u8 *bssid)
+{
+	struct wpa_ssid *ssid;
+
+	ssid = wpa_config_add_network(wpa_s->conf);
+	if (ssid == NULL)
+		return NULL;
+	wpas_notify_network_added(wpa_s, ssid);
+	wpa_config_set_network_defaults(ssid);
+	ssid->temporary = 1;
+	if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 ||
+	    wpa_config_set(ssid, "eap", "WSC", 0) < 0 ||
+	    wpa_config_set(ssid, "identity", registrar ?
+			   "\"" WSC_ID_REGISTRAR "\"" :
+			   "\"" WSC_ID_ENROLLEE "\"", 0) < 0) {
+		wpas_notify_network_removed(wpa_s, ssid);
+		wpa_config_remove_network(wpa_s->conf, ssid->id);
+		return NULL;
+	}
+
+	if (bssid) {
+#ifndef CONFIG_P2P
+		struct wpa_bss *bss;
+		int count = 0;
+#endif /* CONFIG_P2P */
+
+		os_memcpy(ssid->bssid, bssid, ETH_ALEN);
+		ssid->bssid_set = 1;
+
+		/*
+		 * Note: With P2P, the SSID may change at the time the WPS
+		 * provisioning is started, so better not filter the AP based
+		 * on the current SSID in the scan results.
+		 */
+#ifndef CONFIG_P2P
+		dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
+			if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0)
+				continue;
+
+			os_free(ssid->ssid);
+			ssid->ssid = os_malloc(bss->ssid_len);
+			if (ssid->ssid == NULL)
+				break;
+			os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len);
+			ssid->ssid_len = bss->ssid_len;
+			wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from "
+					  "scan results",
+					  ssid->ssid, ssid->ssid_len);
+			count++;
+		}
+
+		if (count > 1) {
+			wpa_printf(MSG_DEBUG, "WPS: More than one SSID found "
+				   "for the AP; use wildcard");
+			os_free(ssid->ssid);
+			ssid->ssid = NULL;
+			ssid->ssid_len = 0;
+		}
+#endif /* CONFIG_P2P */
+	}
+
+	return ssid;
+}
+
+
+static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
+			     struct wpa_ssid *selected)
+{
+	struct wpa_ssid *ssid;
+
+	/* Mark all other networks disabled and trigger reassociation */
+	ssid = wpa_s->conf->ssid;
+	while (ssid) {
+		int was_disabled = ssid->disabled;
+		ssid->disabled = ssid != selected;
+		if (was_disabled != ssid->disabled)
+			wpas_notify_network_enabled_changed(wpa_s, ssid);
+		ssid = ssid->next;
+	}
+	wpa_s->disconnected = 0;
+	wpa_s->reassociate = 1;
+	wpa_s->scan_runs = 0;
+	wpa_s->wps_success = 0;
+	wpa_s->blacklist_cleared = 0;
+	wpa_supplicant_req_scan(wpa_s, 0, 0);
+}
+
+
+int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
+		       int p2p_group)
+{
+	struct wpa_ssid *ssid;
+	wpas_clear_wps(wpa_s);
+	ssid = wpas_wps_add_network(wpa_s, 0, bssid);
+	if (ssid == NULL)
+		return -1;
+	ssid->temporary = 1;
+	ssid->p2p_group = p2p_group;
+#ifdef CONFIG_P2P
+	if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
+		ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
+		if (ssid->ssid) {
+			ssid->ssid_len = wpa_s->go_params->ssid_len;
+			os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
+				  ssid->ssid_len);
+			wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
+					  "SSID", ssid->ssid, ssid->ssid_len);
+		}
+	}
+#endif /* CONFIG_P2P */
+	wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0);
+	if (wpa_s->wps_fragment_size)
+		ssid->eap.fragment_size = wpa_s->wps_fragment_size;
+	eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
+			       wpa_s, NULL);
+	wpas_wps_reassoc(wpa_s, ssid);
+	return 0;
+}
+
+
+int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
+		       const char *pin, int p2p_group, u16 dev_pw_id)
+{
+	struct wpa_ssid *ssid;
+	char val[128];
+	unsigned int rpin = 0;
+
+	wpas_clear_wps(wpa_s);
+	ssid = wpas_wps_add_network(wpa_s, 0, bssid);
+	if (ssid == NULL)
+		return -1;
+	ssid->temporary = 1;
+	ssid->p2p_group = p2p_group;
+#ifdef CONFIG_P2P
+	if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
+		ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
+		if (ssid->ssid) {
+			ssid->ssid_len = wpa_s->go_params->ssid_len;
+			os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
+				  ssid->ssid_len);
+			wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
+					  "SSID", ssid->ssid, ssid->ssid_len);
+		}
+	}
+#endif /* CONFIG_P2P */
+	if (pin)
+		os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u\"",
+			    pin, dev_pw_id);
+	else {
+		rpin = wps_generate_pin();
+		os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u\"",
+			    rpin, dev_pw_id);
+	}
+	wpa_config_set(ssid, "phase1", val, 0);
+	if (wpa_s->wps_fragment_size)
+		ssid->eap.fragment_size = wpa_s->wps_fragment_size;
+	eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
+			       wpa_s, NULL);
+	wpas_wps_reassoc(wpa_s, ssid);
+	return rpin;
+}
+
+
+/* Cancel the wps pbc/pin requests */
+int wpas_wps_cancel(struct wpa_supplicant *wpa_s)
+{
+#ifdef CONFIG_AP
+	if (wpa_s->ap_iface) {
+		wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode");
+		return wpa_supplicant_ap_wps_cancel(wpa_s);
+	}
+#endif /* CONFIG_AP */
+
+	if (wpa_s->wpa_state == WPA_SCANNING) {
+		wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan");
+		wpa_supplicant_cancel_scan(wpa_s);
+		wpas_clear_wps(wpa_s);
+	} else if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
+		wpa_printf(MSG_DEBUG, "WPS: Cancel operation - "
+			   "deauthenticate");
+		wpa_supplicant_deauthenticate(wpa_s,
+					      WLAN_REASON_DEAUTH_LEAVING);
+		wpas_clear_wps(wpa_s);
+	}
+
+	return 0;
+}
+
+
+#ifdef CONFIG_WPS_OOB
+int wpas_wps_start_oob(struct wpa_supplicant *wpa_s, char *device_type,
+		       char *path, char *method, char *name)
+{
+	struct wps_context *wps = wpa_s->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_E) {
+		/*
+		 * 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 = NULL;
+		dh5_free(wps->dh_ctx);
+		wps->dh_ctx = dh5_init(&wps->dh_privkey, &wps->dh_pubkey);
+		wps->dh_pubkey = wpabuf_zeropad(wps->dh_pubkey, 192);
+		if (wps->dh_ctx == NULL || wps->dh_pubkey == NULL) {
+			wpa_printf(MSG_ERROR, "WPS: Failed to initialize "
+				   "Diffie-Hellman handshake");
+			return -1;
+		}
+	}
+
+	if (wps->oob_conf.oob_method == OOB_METHOD_CRED)
+		wpas_clear_wps(wpa_s);
+
+	if (wps_process_oob(wps, oob_dev, 0) < 0)
+		return -1;
+
+	if ((wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E ||
+	     wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) &&
+	    wpas_wps_start_pin(wpa_s, NULL,
+			       wpabuf_head(wps->oob_conf.dev_password), 0,
+			       DEV_PW_DEFAULT) < 0)
+			return -1;
+
+	return 0;
+}
+#endif /* CONFIG_WPS_OOB */
+
+
+int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
+		       const char *pin, struct wps_new_ap_settings *settings)
+{
+	struct wpa_ssid *ssid;
+	char val[200];
+	char *pos, *end;
+	int res;
+
+	if (!pin)
+		return -1;
+	wpas_clear_wps(wpa_s);
+	ssid = wpas_wps_add_network(wpa_s, 1, bssid);
+	if (ssid == NULL)
+		return -1;
+	ssid->temporary = 1;
+	pos = val;
+	end = pos + sizeof(val);
+	res = os_snprintf(pos, end - pos, "\"pin=%s", pin);
+	if (res < 0 || res >= end - pos)
+		return -1;
+	pos += res;
+	if (settings) {
+		res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s "
+				  "new_encr=%s new_key=%s",
+				  settings->ssid_hex, settings->auth,
+				  settings->encr, settings->key_hex);
+		if (res < 0 || res >= end - pos)
+			return -1;
+		pos += res;
+	}
+	res = os_snprintf(pos, end - pos, "\"");
+	if (res < 0 || res >= end - pos)
+		return -1;
+	wpa_config_set(ssid, "phase1", val, 0);
+	if (wpa_s->wps_fragment_size)
+		ssid->eap.fragment_size = wpa_s->wps_fragment_size;
+	eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
+			       wpa_s, NULL);
+	wpas_wps_reassoc(wpa_s, ssid);
+	return 0;
+}
+
+
+static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk,
+			       size_t psk_len)
+{
+	wpa_printf(MSG_DEBUG, "WPS: Received new WPA/WPA2-PSK from WPS for "
+		   "STA " MACSTR, MAC2STR(mac_addr));
+	wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
+
+	/* TODO */
+
+	return 0;
+}
+
+
+static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
+				   const struct wps_device_data *dev)
+{
+	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 UUID-E %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_printf(MSG_INFO, "%s", txt);
+}
+
+
+static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id,
+				    u16 sel_reg_config_methods)
+{
+#ifdef CONFIG_WPS_ER
+	struct wpa_supplicant *wpa_s = ctx;
+
+	if (wpa_s->wps_er == NULL)
+		return;
+	wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d "
+		   "dev_password_id=%u sel_reg_config_methods=0x%x",
+		   sel_reg, dev_passwd_id, sel_reg_config_methods);
+	wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id,
+			   sel_reg_config_methods);
+#endif /* CONFIG_WPS_ER */
+}
+
+
+static u16 wps_fix_config_methods(u16 config_methods)
+{
+#ifdef CONFIG_WPS2
+	if ((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");
+		config_methods |= WPS_CONFIG_VIRT_DISPLAY;
+	}
+	if ((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");
+		config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
+	}
+#endif /* CONFIG_WPS2 */
+
+	return config_methods;
+}
+
+
+static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s,
+			      struct wps_context *wps)
+{
+	wpa_printf(MSG_DEBUG, "WPS: Set UUID for interface %s", wpa_s->ifname);
+	if (is_nil_uuid(wpa_s->conf->uuid)) {
+		struct wpa_supplicant *first;
+		first = wpa_s->global->ifaces;
+		while (first && first->next)
+			first = first->next;
+		if (first && first != wpa_s) {
+			os_memcpy(wps->uuid, wpa_s->global->ifaces->wps->uuid,
+				  WPS_UUID_LEN);
+			wpa_hexdump(MSG_DEBUG, "WPS: UUID from the first "
+				    "interface", wps->uuid, WPS_UUID_LEN);
+		} else {
+			uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
+			wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC "
+				    "address", wps->uuid, WPS_UUID_LEN);
+		}
+	} else {
+		os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
+		wpa_hexdump(MSG_DEBUG, "WPS: UUID based on configuration",
+			    wps->uuid, WPS_UUID_LEN);
+	}
+}
+
+
+int wpas_wps_init(struct wpa_supplicant *wpa_s)
+{
+	struct wps_context *wps;
+	struct wps_registrar_config rcfg;
+
+	wps = os_zalloc(sizeof(*wps));
+	if (wps == NULL)
+		return -1;
+
+	wps->cred_cb = wpa_supplicant_wps_cred;
+	wps->event_cb = wpa_supplicant_wps_event;
+	wps->cb_ctx = wpa_s;
+
+	wps->dev.device_name = wpa_s->conf->device_name;
+	wps->dev.manufacturer = wpa_s->conf->manufacturer;
+	wps->dev.model_name = wpa_s->conf->model_name;
+	wps->dev.model_number = wpa_s->conf->model_number;
+	wps->dev.serial_number = wpa_s->conf->serial_number;
+	wps->config_methods =
+		wps_config_methods_str2bin(wpa_s->conf->config_methods);
+	if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
+	    (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
+		wpa_printf(MSG_ERROR, "WPS: Both Label and Display config "
+			   "methods are not allowed at the same time");
+		os_free(wps);
+		return -1;
+	}
+	wps->config_methods = wps_fix_config_methods(wps->config_methods);
+	os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
+		  WPS_DEV_TYPE_LEN);
+
+	wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
+	os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
+		  WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types);
+
+	wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
+	wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; /* TODO: config */
+	os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN);
+	wpas_wps_set_uuid(wpa_s, wps);
+
+	wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
+	wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
+
+	os_memset(&rcfg, 0, sizeof(rcfg));
+	rcfg.new_psk_cb = wpas_wps_new_psk_cb;
+	rcfg.pin_needed_cb = wpas_wps_pin_needed_cb;
+	rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb;
+	rcfg.cb_ctx = wpa_s;
+
+	wps->registrar = wps_registrar_init(wps, &rcfg);
+	if (wps->registrar == NULL) {
+		wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar");
+		os_free(wps);
+		return -1;
+	}
+
+	wpa_s->wps = wps;
+
+	return 0;
+}
+
+
+void wpas_wps_deinit(struct wpa_supplicant *wpa_s)
+{
+	eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
+
+	if (wpa_s->wps == NULL)
+		return;
+
+#ifdef CONFIG_WPS_ER
+	wps_er_deinit(wpa_s->wps_er, NULL, NULL);
+	wpa_s->wps_er = NULL;
+#endif /* CONFIG_WPS_ER */
+
+	wps_registrar_deinit(wpa_s->wps->registrar);
+	wpabuf_free(wpa_s->wps->dh_pubkey);
+	wpabuf_free(wpa_s->wps->dh_privkey);
+	wpabuf_free(wpa_s->wps->oob_conf.pubkey_hash);
+	wpabuf_free(wpa_s->wps->oob_conf.dev_password);
+	os_free(wpa_s->wps->network_key);
+	os_free(wpa_s->wps);
+	wpa_s->wps = NULL;
+}
+
+
+int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s,
+			    struct wpa_ssid *ssid, struct wpa_scan_res *bss)
+{
+	struct wpabuf *wps_ie;
+
+	if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS))
+		return -1;
+
+	wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
+	if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
+		if (!wps_ie) {
+			wpa_printf(MSG_DEBUG, "   skip - non-WPS AP");
+			return 0;
+		}
+
+		if (!wps_is_selected_pbc_registrar(wps_ie)) {
+			wpa_printf(MSG_DEBUG, "   skip - WPS AP "
+				   "without active PBC Registrar");
+			wpabuf_free(wps_ie);
+			return 0;
+		}
+
+		/* TODO: overlap detection */
+		wpa_printf(MSG_DEBUG, "   selected based on WPS IE "
+			   "(Active PBC)");
+		wpabuf_free(wps_ie);
+		return 1;
+	}
+
+	if (eap_is_wps_pin_enrollee(&ssid->eap)) {
+		if (!wps_ie) {
+			wpa_printf(MSG_DEBUG, "   skip - non-WPS AP");
+			return 0;
+		}
+
+		/*
+		 * Start with WPS APs that advertise our address as an
+		 * authorized MAC (v2.0) or active PIN Registrar (v1.0) and
+		 * allow any WPS AP after couple of scans since some APs do not
+		 * set Selected Registrar attribute properly when using
+		 * external Registrar.
+		 */
+		if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) {
+			if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) {
+				wpa_printf(MSG_DEBUG, "   skip - WPS AP "
+					   "without active PIN Registrar");
+				wpabuf_free(wps_ie);
+				return 0;
+			}
+			wpa_printf(MSG_DEBUG, "   selected based on WPS IE");
+		} else {
+			wpa_printf(MSG_DEBUG, "   selected based on WPS IE "
+				   "(Authorized MAC or Active PIN)");
+		}
+		wpabuf_free(wps_ie);
+		return 1;
+	}
+
+	if (wps_ie) {
+		wpa_printf(MSG_DEBUG, "   selected based on WPS IE");
+		wpabuf_free(wps_ie);
+		return 1;
+	}
+
+	return -1;
+}
+
+
+int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s,
+			      struct wpa_ssid *ssid,
+			      struct wpa_scan_res *bss)
+{
+	struct wpabuf *wps_ie = NULL;
+	int ret = 0;
+
+	if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
+		wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
+		if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) {
+			/* allow wildcard SSID for WPS PBC */
+			ret = 1;
+		}
+	} else if (eap_is_wps_pin_enrollee(&ssid->eap)) {
+		wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
+		if (wps_ie &&
+		    (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) ||
+		     wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) {
+			/* allow wildcard SSID for WPS PIN */
+			ret = 1;
+		}
+	}
+
+	if (!ret && ssid->bssid_set &&
+	    os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) {
+		/* allow wildcard SSID due to hardcoded BSSID match */
+		ret = 1;
+	}
+
+#ifdef CONFIG_WPS_STRICT
+	if (wps_ie) {
+		if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len >
+						   0, bss->bssid) < 0)
+			ret = 0;
+		if (bss->beacon_ie_len) {
+			struct wpabuf *bcn_wps;
+			bcn_wps = wpa_scan_get_vendor_ie_multi_beacon(
+				bss, WPS_IE_VENDOR_TYPE);
+			if (bcn_wps == NULL) {
+				wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE "
+					   "missing from AP Beacon");
+				ret = 0;
+			} else {
+				if (wps_validate_beacon(wps_ie) < 0)
+					ret = 0;
+				wpabuf_free(bcn_wps);
+			}
+		}
+	}
+#endif /* CONFIG_WPS_STRICT */
+
+	wpabuf_free(wps_ie);
+
+	return ret;
+}
+
+
+int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
+			      struct wpa_bss *selected, struct wpa_ssid *ssid)
+{
+	const u8 *sel_uuid, *uuid;
+	struct wpabuf *wps_ie;
+	int ret = 0;
+	struct wpa_bss *bss;
+
+	if (!eap_is_wps_pbc_enrollee(&ssid->eap))
+		return 0;
+
+	wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is "
+		   "present in scan results; selected BSSID " MACSTR,
+		   MAC2STR(selected->bssid));
+
+	/* Make sure that only one AP is in active PBC mode */
+	wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE);
+	if (wps_ie) {
+		sel_uuid = wps_get_uuid_e(wps_ie);
+		wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS",
+			    sel_uuid, UUID_LEN);
+	} else {
+		wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include "
+			   "WPS IE?!");
+		sel_uuid = NULL;
+	}
+
+	dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
+		struct wpabuf *ie;
+		if (bss == selected)
+			continue;
+		ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
+		if (!ie)
+			continue;
+		if (!wps_is_selected_pbc_registrar(ie)) {
+			wpabuf_free(ie);
+			continue;
+		}
+		wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: "
+			   MACSTR, MAC2STR(bss->bssid));
+		uuid = wps_get_uuid_e(ie);
+		wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS",
+			    uuid, UUID_LEN);
+		if (sel_uuid == NULL || uuid == NULL ||
+		    os_memcmp(sel_uuid, uuid, UUID_LEN) != 0) {
+			ret = 1; /* PBC overlap */
+			wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: "
+				MACSTR " and " MACSTR,
+				MAC2STR(selected->bssid),
+				MAC2STR(bss->bssid));
+			wpabuf_free(ie);
+			break;
+		}
+
+		/* TODO: verify that this is reasonable dual-band situation */
+
+		wpabuf_free(ie);
+	}
+
+	wpabuf_free(wps_ie);
+
+	return ret;
+}
+
+
+void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s)
+{
+	struct wpa_bss *bss;
+	unsigned int pbc = 0, auth = 0, pin = 0, wps = 0;
+
+	if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED)
+		return;
+
+	dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
+		struct wpabuf *ie;
+		ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
+		if (!ie)
+			continue;
+		if (wps_is_selected_pbc_registrar(ie))
+			pbc++;
+		else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0))
+			auth++;
+		else if (wps_is_selected_pin_registrar(ie))
+			pin++;
+		else
+			wps++;
+		wpabuf_free(ie);
+	}
+
+	if (pbc)
+		wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC);
+	else if (auth)
+		wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH);
+	else if (pin)
+		wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN);
+	else if (wps)
+		wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE);
+}
+
+
+int wpas_wps_searching(struct wpa_supplicant *wpa_s)
+{
+	struct wpa_ssid *ssid;
+
+	for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
+		if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled)
+			return 1;
+	}
+
+	return 0;
+}
+
+
+int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
+			      char *end)
+{
+	struct wpabuf *wps_ie;
+	int ret;
+
+	wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA);
+	if (wps_ie == NULL)
+		return 0;
+
+	ret = wps_attr_text(wps_ie, buf, end);
+	wpabuf_free(wps_ie);
+	return ret;
+}
+
+
+int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter)
+{
+#ifdef CONFIG_WPS_ER
+	if (wpa_s->wps_er) {
+		wps_er_refresh(wpa_s->wps_er);
+		return 0;
+	}
+	wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter);
+	if (wpa_s->wps_er == NULL)
+		return -1;
+	return 0;
+#else /* CONFIG_WPS_ER */
+	return 0;
+#endif /* CONFIG_WPS_ER */
+}
+
+
+int wpas_wps_er_stop(struct wpa_supplicant *wpa_s)
+{
+#ifdef CONFIG_WPS_ER
+	wps_er_deinit(wpa_s->wps_er, NULL, NULL);
+	wpa_s->wps_er = NULL;
+#endif /* CONFIG_WPS_ER */
+	return 0;
+}
+
+
+#ifdef CONFIG_WPS_ER
+int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr,
+			const char *uuid, const char *pin)
+{
+	u8 u[UUID_LEN];
+	int any = 0;
+
+	if (os_strcmp(uuid, "any") == 0)
+		any = 1;
+	else if (uuid_str2bin(uuid, u))
+		return -1;
+	return wps_registrar_add_pin(wpa_s->wps->registrar, addr,
+				     any ? NULL : u,
+				     (const u8 *) pin, os_strlen(pin), 300);
+}
+
+
+int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid)
+{
+	u8 u[UUID_LEN];
+
+	if (uuid_str2bin(uuid, u))
+		return -1;
+	return wps_er_pbc(wpa_s->wps_er, u);
+}
+
+
+int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid,
+		      const char *pin)
+{
+	u8 u[UUID_LEN];
+
+	if (uuid_str2bin(uuid, u))
+		return -1;
+	return wps_er_learn(wpa_s->wps_er, u, (const u8 *) pin,
+			    os_strlen(pin));
+}
+
+
+int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
+			   int id)
+{
+	u8 u[UUID_LEN];
+	struct wpa_ssid *ssid;
+	struct wps_credential cred;
+
+	if (uuid_str2bin(uuid, u))
+		return -1;
+	ssid = wpa_config_get_network(wpa_s->conf, id);
+	if (ssid == NULL || ssid->ssid == NULL)
+		return -1;
+
+	os_memset(&cred, 0, sizeof(cred));
+	if (ssid->ssid_len > 32)
+		return -1;
+	os_memcpy(cred.ssid, ssid->ssid, ssid->ssid_len);
+	cred.ssid_len = ssid->ssid_len;
+	if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
+		cred.auth_type = (ssid->proto & WPA_PROTO_RSN) ?
+			WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK;
+		if (ssid->pairwise_cipher & WPA_CIPHER_CCMP)
+			cred.encr_type = WPS_ENCR_AES;
+		else
+			cred.encr_type = WPS_ENCR_TKIP;
+		if (ssid->passphrase) {
+			cred.key_len = os_strlen(ssid->passphrase);
+			if (cred.key_len >= 64)
+				return -1;
+			os_memcpy(cred.key, ssid->passphrase, cred.key_len);
+		} else if (ssid->psk_set) {
+			cred.key_len = 32;
+			os_memcpy(cred.key, ssid->psk, 32);
+		} else
+			return -1;
+	} else {
+		cred.auth_type = WPS_AUTH_OPEN;
+		cred.encr_type = WPS_ENCR_NONE;
+	}
+	return wps_er_set_config(wpa_s->wps_er, u, &cred);
+}
+
+
+int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid,
+		       const char *pin, struct wps_new_ap_settings *settings)
+{
+	u8 u[UUID_LEN];
+	struct wps_credential cred;
+	size_t len;
+
+	if (uuid_str2bin(uuid, u))
+		return -1;
+	if (settings->ssid_hex == NULL || settings->auth == NULL ||
+	    settings->encr == NULL || settings->key_hex == NULL)
+		return -1;
+
+	os_memset(&cred, 0, sizeof(cred));
+	len = os_strlen(settings->ssid_hex);
+	if ((len & 1) || len > 2 * sizeof(cred.ssid) ||
+	    hexstr2bin(settings->ssid_hex, cred.ssid, len / 2))
+		return -1;
+	cred.ssid_len = len / 2;
+
+	len = os_strlen(settings->key_hex);
+	if ((len & 1) || len > 2 * sizeof(cred.key) ||
+	    hexstr2bin(settings->key_hex, cred.key, len / 2))
+		return -1;
+	cred.key_len = len / 2;
+
+	if (os_strcmp(settings->auth, "OPEN") == 0)
+		cred.auth_type = WPS_AUTH_OPEN;
+	else if (os_strcmp(settings->auth, "WPAPSK") == 0)
+		cred.auth_type = WPS_AUTH_WPAPSK;
+	else if (os_strcmp(settings->auth, "WPA2PSK") == 0)
+		cred.auth_type = WPS_AUTH_WPA2PSK;
+	else
+		return -1;
+
+	if (os_strcmp(settings->encr, "NONE") == 0)
+		cred.encr_type = WPS_ENCR_NONE;
+	else if (os_strcmp(settings->encr, "WEP") == 0)
+		cred.encr_type = WPS_ENCR_WEP;
+	else if (os_strcmp(settings->encr, "TKIP") == 0)
+		cred.encr_type = WPS_ENCR_TKIP;
+	else if (os_strcmp(settings->encr, "CCMP") == 0)
+		cred.encr_type = WPS_ENCR_AES;
+	else
+		return -1;
+
+	return wps_er_config(wpa_s->wps_er, u, (const u8 *) pin,
+			     os_strlen(pin), &cred);
+}
+
+
+static int callbacks_pending = 0;
+
+static void wpas_wps_terminate_cb(void *ctx)
+{
+	wpa_printf(MSG_DEBUG, "WPS ER: Terminated");
+	if (--callbacks_pending <= 0)
+		eloop_terminate();
+}
+#endif /* CONFIG_WPS_ER */
+
+
+int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s)
+{
+#ifdef CONFIG_WPS_ER
+	if (wpa_s->wps_er) {
+		callbacks_pending++;
+		wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s);
+		wpa_s->wps_er = NULL;
+		return 1;
+	}
+#endif /* CONFIG_WPS_ER */
+	return 0;
+}
+
+
+int wpas_wps_in_progress(struct wpa_supplicant *wpa_s)
+{
+	struct wpa_ssid *ssid;
+
+	for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
+		if (!ssid->disabled && ssid->key_mgmt == WPA_KEY_MGMT_WPS)
+			return 1;
+	}
+
+	return 0;
+}
+
+
+void wpas_wps_update_config(struct wpa_supplicant *wpa_s)
+{
+	struct wps_context *wps = wpa_s->wps;
+
+	if (wps == NULL)
+		return;
+
+	if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) {
+		wps->config_methods = wps_config_methods_str2bin(
+			wpa_s->conf->config_methods);
+		if ((wps->config_methods &
+		     (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
+		    (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
+			wpa_printf(MSG_ERROR, "WPS: Both Label and Display "
+				   "config methods are not allowed at the "
+				   "same time");
+			wps->config_methods &= ~WPS_CONFIG_LABEL;
+		}
+	}
+	wps->config_methods = wps_fix_config_methods(wps->config_methods);
+
+	if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE)
+		os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
+			  WPS_DEV_TYPE_LEN);
+
+	if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) {
+		wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
+		os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
+			  wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN);
+	}
+
+	if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION)
+		wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
+
+	if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID)
+		wpas_wps_set_uuid(wpa_s, wps);
+
+	if (wpa_s->conf->changed_parameters &
+	    (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) {
+		/* Update pointers to make sure they refer current values */
+		wps->dev.device_name = wpa_s->conf->device_name;
+		wps->dev.manufacturer = wpa_s->conf->manufacturer;
+		wps->dev.model_name = wpa_s->conf->model_name;
+		wps->dev.model_number = wpa_s->conf->model_number;
+		wps->dev.serial_number = wpa_s->conf->serial_number;
+	}
+}