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authorDmitry Shmidt <dimitrysh@google.com>2011-05-09 14:06:53 -0700
committerDmitry Shmidt <dimitrysh@google.com>2011-05-09 14:24:08 -0700
commit8d520ff1dc2da35cdca849e982051b86468016d8 (patch)
tree3e33700a20ffe9064c3de3e9efa3a9dfcebb7b03 /wpa_supplicant/p2p_supplicant.c
parent7acd11a82b3521a1ec0ef3976af4786b02642e7e (diff)
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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>
Diffstat (limited to 'wpa_supplicant/p2p_supplicant.c')
-rw-r--r--wpa_supplicant/p2p_supplicant.c4248
1 files changed, 4248 insertions, 0 deletions
diff --git a/wpa_supplicant/p2p_supplicant.c b/wpa_supplicant/p2p_supplicant.c
new file mode 100644
index 0000000..d7f7473
--- /dev/null
+++ b/wpa_supplicant/p2p_supplicant.c
@@ -0,0 +1,4248 @@
+/*
+ * wpa_supplicant - P2P
+ * 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_common.h"
+#include "common/ieee802_11_defs.h"
+#include "common/wpa_ctrl.h"
+#include "wps/wps_i.h"
+#include "p2p/p2p.h"
+#include "ap/hostapd.h"
+#include "ap/p2p_hostapd.h"
+#include "wpa_supplicant_i.h"
+#include "driver_i.h"
+#include "ap.h"
+#include "config_ssid.h"
+#include "config.h"
+#include "mlme.h"
+#include "notify.h"
+#include "scan.h"
+#include "bss.h"
+#include "wps_supplicant.h"
+#include "p2p_supplicant.h"
+
+
+/*
+ * How many times to try to scan to find the GO before giving up on join
+ * request.
+ */
+#define P2P_MAX_JOIN_SCAN_ATTEMPTS 10
+
+
+static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx);
+static struct wpa_supplicant *
+wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
+ int go);
+static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s);
+static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx);
+static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr,
+ const u8 *dev_addr, enum p2p_wps_method wps_method);
+static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s);
+static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s);
+static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx);
+static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s);
+
+
+static void wpas_p2p_scan_res_handler(struct wpa_supplicant *wpa_s,
+ struct wpa_scan_results *scan_res)
+{
+ size_t i;
+
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return;
+
+ wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS)",
+ (int) scan_res->num);
+
+ for (i = 0; i < scan_res->num; i++) {
+ struct wpa_scan_res *bss = scan_res->res[i];
+ if (p2p_scan_res_handler(wpa_s->global->p2p, bss->bssid,
+ bss->freq, bss->level,
+ (const u8 *) (bss + 1),
+ bss->ie_len) > 0)
+ break;
+ }
+
+ p2p_scan_res_handled(wpa_s->global->p2p);
+}
+
+
+static int wpas_p2p_scan(void *ctx, enum p2p_scan_type type, int freq,
+ unsigned int num_req_dev_types,
+ const u8 *req_dev_types)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_driver_scan_params params;
+ int ret;
+ struct wpabuf *wps_ie, *ies;
+ int social_channels[] = { 2412, 2437, 2462, 0, 0 };
+
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return -1;
+
+ 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;
+
+ 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,
+ num_req_dev_types, req_dev_types);
+ 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(wpa_s->global->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;
+ }
+
+ wpa_s->scan_res_handler = wpas_p2p_scan_res_handler;
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
+ ret = ieee80211_sta_req_scan(wpa_s, &params);
+ else
+ ret = wpa_drv_scan(wpa_s, &params);
+
+ wpabuf_free(ies);
+
+ return ret;
+}
+
+
+#ifdef CONFIG_CLIENT_MLME
+static void p2p_rx_action_mlme(void *ctx, const u8 *buf, size_t len, int freq)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ const struct ieee80211_mgmt *mgmt;
+ size_t hdr_len;
+
+ if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled)
+ return;
+ mgmt = (const struct ieee80211_mgmt *) buf;
+ hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
+ if (hdr_len > len)
+ return;
+ p2p_rx_action(wpa_s->global->p2p, mgmt->da, mgmt->sa, mgmt->bssid,
+ mgmt->u.action.category,
+ &mgmt->u.action.u.vs_public_action.action,
+ len - hdr_len, freq);
+}
+#endif /* CONFIG_CLIENT_MLME */
+
+
+static enum wpa_driver_if_type wpas_p2p_if_type(int p2p_group_interface)
+{
+ switch (p2p_group_interface) {
+ case P2P_GROUP_INTERFACE_PENDING:
+ return WPA_IF_P2P_GROUP;
+ case P2P_GROUP_INTERFACE_GO:
+ return WPA_IF_P2P_GO;
+ case P2P_GROUP_INTERFACE_CLIENT:
+ return WPA_IF_P2P_CLIENT;
+ }
+
+ return WPA_IF_P2P_GROUP;
+}
+
+
+static struct wpa_supplicant * wpas_get_p2p_group(struct wpa_supplicant *wpa_s,
+ const u8 *ssid,
+ size_t ssid_len, int *go)
+{
+ struct wpa_ssid *s;
+
+ for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
+ for (s = wpa_s->conf->ssid; s; s = s->next) {
+ if (s->disabled != 0 || !s->p2p_group ||
+ s->ssid_len != ssid_len ||
+ os_memcmp(ssid, s->ssid, ssid_len) != 0)
+ continue;
+ if (s->mode == WPAS_MODE_P2P_GO &&
+ s != wpa_s->current_ssid)
+ continue;
+ if (go)
+ *go = s->mode == WPAS_MODE_P2P_GO;
+ return wpa_s;
+ }
+ }
+
+ return NULL;
+}
+
+
+static void wpas_p2p_group_delete(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_ssid *ssid;
+ char *gtype;
+ const char *reason;
+
+ eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
+
+ ssid = wpa_s->current_ssid;
+ if (ssid == NULL) {
+ /*
+ * The current SSID was not known, but there may still be a
+ * pending P2P group interface waiting for provisioning.
+ */
+ ssid = wpa_s->conf->ssid;
+ while (ssid) {
+ if (ssid->p2p_group &&
+ (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION ||
+ (ssid->key_mgmt & WPA_KEY_MGMT_WPS)))
+ break;
+ ssid = ssid->next;
+ }
+ }
+ if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO)
+ gtype = "GO";
+ else if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT ||
+ (ssid && ssid->mode == WPAS_MODE_INFRA)) {
+ wpa_s->reassociate = 0;
+ wpa_s->disconnected = 1;
+ wpa_supplicant_deauthenticate(wpa_s,
+ WLAN_REASON_DEAUTH_LEAVING);
+ gtype = "client";
+ } else
+ gtype = "GO";
+ if (wpa_s->cross_connect_in_use) {
+ wpa_s->cross_connect_in_use = 0;
+ wpa_msg(wpa_s->parent, MSG_INFO,
+ P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
+ wpa_s->ifname, wpa_s->cross_connect_uplink);
+ }
+ switch (wpa_s->removal_reason) {
+ case P2P_GROUP_REMOVAL_REQUESTED:
+ reason = " reason=REQUESTED";
+ break;
+ case P2P_GROUP_REMOVAL_IDLE_TIMEOUT:
+ reason = " reason=IDLE";
+ break;
+ case P2P_GROUP_REMOVAL_UNAVAILABLE:
+ reason = " reason=UNAVAILABLE";
+ break;
+ default:
+ reason = "";
+ break;
+ }
+ wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_REMOVED "%s %s%s",
+ wpa_s->ifname, gtype, reason);
+
+ if (ssid)
+ wpas_notify_p2p_group_removed(wpa_s, ssid, gtype);
+
+ if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) {
+ struct wpa_global *global;
+ char *ifname;
+ enum wpa_driver_if_type type;
+ wpa_printf(MSG_DEBUG, "P2P: Remove group interface %s",
+ wpa_s->ifname);
+ global = wpa_s->global;
+ ifname = os_strdup(wpa_s->ifname);
+ type = wpas_p2p_if_type(wpa_s->p2p_group_interface);
+ wpa_supplicant_remove_iface(wpa_s->global, wpa_s);
+ wpa_s = global->ifaces;
+ if (wpa_s && ifname)
+ wpa_drv_if_remove(wpa_s, type, ifname);
+ os_free(ifname);
+ return;
+ }
+
+ wpa_printf(MSG_DEBUG, "P2P: Remove temporary group network");
+ if (ssid && (ssid->p2p_group ||
+ ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION ||
+ (ssid->key_mgmt & WPA_KEY_MGMT_WPS))) {
+ int id = ssid->id;
+ if (ssid == wpa_s->current_ssid)
+ wpa_s->current_ssid = NULL;
+ wpas_notify_network_removed(wpa_s, ssid);
+ wpa_config_remove_network(wpa_s->conf, id);
+ wpa_supplicant_clear_status(wpa_s);
+ } else {
+ wpa_printf(MSG_DEBUG, "P2P: Temporary group network not "
+ "found");
+ }
+ wpa_supplicant_ap_deinit(wpa_s);
+}
+
+
+static int wpas_p2p_persistent_group(struct wpa_supplicant *wpa_s,
+ u8 *go_dev_addr,
+ const u8 *ssid, size_t ssid_len)
+{
+ struct wpa_bss *bss;
+ const u8 *bssid;
+ struct wpabuf *p2p;
+ u8 group_capab;
+ const u8 *addr;
+
+ if (wpa_s->go_params)
+ bssid = wpa_s->go_params->peer_interface_addr;
+ else
+ bssid = wpa_s->bssid;
+
+ bss = wpa_bss_get(wpa_s, bssid, ssid, ssid_len);
+ if (bss == NULL) {
+ u8 iface_addr[ETH_ALEN];
+ if (p2p_get_interface_addr(wpa_s->global->p2p, bssid,
+ iface_addr) == 0)
+ bss = wpa_bss_get(wpa_s, iface_addr, ssid, ssid_len);
+ }
+ if (bss == NULL) {
+ wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether "
+ "group is persistent - BSS " MACSTR " not found",
+ MAC2STR(bssid));
+ return 0;
+ }
+
+ p2p = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
+ if (p2p == NULL) {
+ wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether "
+ "group is persistent - BSS " MACSTR
+ " did not include P2P IE", MAC2STR(bssid));
+ wpa_hexdump(MSG_DEBUG, "P2P: Probe Response IEs",
+ (u8 *) (bss + 1), bss->ie_len);
+ wpa_hexdump(MSG_DEBUG, "P2P: Beacon IEs",
+ ((u8 *) bss + 1) + bss->ie_len,
+ bss->beacon_ie_len);
+ return 0;
+ }
+
+ group_capab = p2p_get_group_capab(p2p);
+ addr = p2p_get_go_dev_addr(p2p);
+ wpa_printf(MSG_DEBUG, "P2P: Checking whether group is persistent: "
+ "group_capab=0x%x", group_capab);
+ if (addr) {
+ os_memcpy(go_dev_addr, addr, ETH_ALEN);
+ wpa_printf(MSG_DEBUG, "P2P: GO Device Address " MACSTR,
+ MAC2STR(addr));
+ } else
+ os_memset(go_dev_addr, 0, ETH_ALEN);
+ wpabuf_free(p2p);
+
+ wpa_printf(MSG_DEBUG, "P2P: BSS " MACSTR " group_capab=0x%x "
+ "go_dev_addr=" MACSTR,
+ MAC2STR(bssid), group_capab, MAC2STR(go_dev_addr));
+
+ return group_capab & P2P_GROUP_CAPAB_PERSISTENT_GROUP;
+}
+
+
+static void wpas_p2p_store_persistent_group(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid,
+ const u8 *go_dev_addr)
+{
+ struct wpa_ssid *s;
+ int changed = 0;
+
+ wpa_printf(MSG_DEBUG, "P2P: Storing credentials for a persistent "
+ "group (GO Dev Addr " MACSTR ")", MAC2STR(go_dev_addr));
+ for (s = wpa_s->conf->ssid; s; s = s->next) {
+ if (s->disabled == 2 &&
+ os_memcmp(go_dev_addr, s->bssid, ETH_ALEN) == 0 &&
+ s->ssid_len == ssid->ssid_len &&
+ os_memcmp(ssid->ssid, s->ssid, ssid->ssid_len) == 0)
+ break;
+ }
+
+ if (s) {
+ wpa_printf(MSG_DEBUG, "P2P: Update existing persistent group "
+ "entry");
+ if (ssid->passphrase && !s->passphrase)
+ changed = 1;
+ else if (ssid->passphrase && s->passphrase &&
+ os_strcmp(ssid->passphrase, s->passphrase) != 0)
+ changed = 1;
+ } else {
+ wpa_printf(MSG_DEBUG, "P2P: Create a new persistent group "
+ "entry");
+ changed = 1;
+ s = wpa_config_add_network(wpa_s->conf);
+ if (s == NULL)
+ return;
+ wpa_config_set_network_defaults(s);
+ }
+
+ s->p2p_group = 1;
+ s->p2p_persistent_group = 1;
+ s->disabled = 2;
+ s->bssid_set = 1;
+ os_memcpy(s->bssid, go_dev_addr, ETH_ALEN);
+ s->mode = ssid->mode;
+ s->auth_alg = WPA_AUTH_ALG_OPEN;
+ s->key_mgmt = WPA_KEY_MGMT_PSK;
+ s->proto = WPA_PROTO_RSN;
+ s->pairwise_cipher = WPA_CIPHER_CCMP;
+ s->export_keys = 1;
+ if (ssid->passphrase) {
+ os_free(s->passphrase);
+ s->passphrase = os_strdup(ssid->passphrase);
+ }
+ if (ssid->psk_set) {
+ s->psk_set = 1;
+ os_memcpy(s->psk, ssid->psk, 32);
+ }
+ if (s->passphrase && !s->psk_set)
+ wpa_config_update_psk(s);
+ if (s->ssid == NULL || s->ssid_len < ssid->ssid_len) {
+ os_free(s->ssid);
+ s->ssid = os_malloc(ssid->ssid_len);
+ }
+ if (s->ssid) {
+ s->ssid_len = ssid->ssid_len;
+ os_memcpy(s->ssid, ssid->ssid, s->ssid_len);
+ }
+
+#ifndef CONFIG_NO_CONFIG_WRITE
+ if (changed && wpa_s->conf->update_config &&
+ wpa_config_write(wpa_s->confname, wpa_s->conf)) {
+ wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
+ }
+#endif /* CONFIG_NO_CONFIG_WRITE */
+}
+
+
+static void wpas_group_formation_completed(struct wpa_supplicant *wpa_s,
+ int success)
+{
+ struct wpa_ssid *ssid;
+ const char *ssid_txt;
+ int client;
+ int persistent;
+ u8 go_dev_addr[ETH_ALEN];
+
+ /*
+ * This callback is likely called for the main interface. Update wpa_s
+ * to use the group interface if a new interface was created for the
+ * group.
+ */
+ if (wpa_s->global->p2p_group_formation)
+ wpa_s = wpa_s->global->p2p_group_formation;
+ wpa_s->global->p2p_group_formation = NULL;
+ wpa_s->p2p_in_provisioning = 0;
+
+ if (!success) {
+ wpa_msg(wpa_s->parent, MSG_INFO,
+ P2P_EVENT_GROUP_FORMATION_FAILURE);
+ wpas_p2p_group_delete(wpa_s);
+ return;
+ }
+
+ wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_FORMATION_SUCCESS);
+
+ ssid = wpa_s->current_ssid;
+ if (ssid && ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
+ ssid->mode = WPAS_MODE_P2P_GO;
+ p2p_group_notif_formation_done(wpa_s->p2p_group);
+ wpa_supplicant_ap_mac_addr_filter(wpa_s, NULL);
+ }
+
+ persistent = 0;
+ if (ssid) {
+ ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len);
+ client = ssid->mode == WPAS_MODE_INFRA;
+ if (ssid->mode == WPAS_MODE_P2P_GO) {
+ persistent = ssid->p2p_persistent_group;
+ os_memcpy(go_dev_addr, wpa_s->parent->own_addr,
+ ETH_ALEN);
+ } else
+ persistent = wpas_p2p_persistent_group(wpa_s,
+ go_dev_addr,
+ ssid->ssid,
+ ssid->ssid_len);
+ } else {
+ ssid_txt = "";
+ client = wpa_s->p2p_group_interface ==
+ P2P_GROUP_INTERFACE_CLIENT;
+ os_memset(go_dev_addr, 0, ETH_ALEN);
+ }
+
+ wpa_s->show_group_started = 0;
+ if (client) {
+ /*
+ * Indicate event only after successfully completed 4-way
+ * handshake, i.e., when the interface is ready for data
+ * packets.
+ */
+ wpa_s->show_group_started = 1;
+ } else if (ssid && ssid->passphrase == NULL && ssid->psk_set) {
+ char psk[65];
+ wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32);
+ wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
+ "%s GO ssid=\"%s\" freq=%d psk=%s go_dev_addr=" MACSTR
+ "%s",
+ wpa_s->ifname, ssid_txt, ssid->frequency, psk,
+ MAC2STR(go_dev_addr),
+ persistent ? " [PERSISTENT]" : "");
+ wpas_p2p_cross_connect_setup(wpa_s);
+ wpas_p2p_set_group_idle_timeout(wpa_s);
+ } else {
+ wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
+ "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" "
+ "go_dev_addr=" MACSTR "%s",
+ wpa_s->ifname, ssid_txt, ssid ? ssid->frequency : 0,
+ ssid && ssid->passphrase ? ssid->passphrase : "",
+ MAC2STR(go_dev_addr),
+ persistent ? " [PERSISTENT]" : "");
+ wpas_p2p_cross_connect_setup(wpa_s);
+ wpas_p2p_set_group_idle_timeout(wpa_s);
+ }
+
+ if (persistent)
+ wpas_p2p_store_persistent_group(wpa_s->parent, ssid,
+ go_dev_addr);
+}
+
+
+static struct wpa_supplicant *
+wpas_get_tx_interface(struct wpa_supplicant *wpa_s, const u8 *src)
+{
+ struct wpa_supplicant *iface;
+
+ if (os_memcmp(src, wpa_s->own_addr, ETH_ALEN) == 0)
+ return wpa_s;
+
+ /*
+ * Try to find a group interface that matches with the source address.
+ */
+ iface = wpa_s->global->ifaces;
+ while (iface) {
+ if (os_memcmp(wpa_s->pending_action_src,
+ iface->own_addr, ETH_ALEN) == 0)
+ break;
+ iface = iface->next;
+ }
+ if (iface) {
+ wpa_printf(MSG_DEBUG, "P2P: Use group interface %s "
+ "instead of interface %s for Action TX",
+ iface->ifname, wpa_s->ifname);
+ return iface;
+ }
+
+ return wpa_s;
+}
+
+
+static void wpas_send_action_cb(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ struct wpa_supplicant *iface;
+ int res;
+ int without_roc;
+
+ without_roc = wpa_s->pending_action_without_roc;
+ wpa_s->pending_action_without_roc = 0;
+ wpa_printf(MSG_DEBUG, "P2P: Send Action callback (without_roc=%d "
+ "pending_action_tx=%p)",
+ without_roc, wpa_s->pending_action_tx);
+
+ if (wpa_s->pending_action_tx == NULL)
+ return;
+
+ /*
+ * This call is likely going to be on the P2P device instance if the
+ * driver uses a separate interface for that purpose. However, some
+ * Action frames are actually sent within a P2P Group and when that is
+ * the case, we need to follow power saving (e.g., GO buffering the
+ * frame for a client in PS mode or a client following the advertised
+ * NoA from its GO). To make that easier for the driver, select the
+ * correct group interface here.
+ */
+ iface = wpas_get_tx_interface(wpa_s, wpa_s->pending_action_src);
+
+ if (wpa_s->off_channel_freq != wpa_s->pending_action_freq &&
+ wpa_s->pending_action_freq != 0 &&
+ wpa_s->pending_action_freq != iface->assoc_freq) {
+ wpa_printf(MSG_DEBUG, "P2P: Pending Action frame TX "
+ "waiting for another freq=%u (off_channel_freq=%u "
+ "assoc_freq=%u)",
+ wpa_s->pending_action_freq,
+ wpa_s->off_channel_freq,
+ iface->assoc_freq);
+ if (without_roc && wpa_s->off_channel_freq == 0) {
+ /*
+ * We may get here if wpas_send_action() found us to be
+ * on the correct channel, but remain-on-channel cancel
+ * event was received before getting here.
+ */
+ wpa_printf(MSG_DEBUG, "P2P: Schedule "
+ "remain-on-channel to send Action frame");
+ if (wpa_drv_remain_on_channel(
+ wpa_s, wpa_s->pending_action_freq, 200) <
+ 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Failed to request "
+ "driver to remain on channel (%u "
+ "MHz) for Action Frame TX",
+ wpa_s->pending_action_freq);
+ } else {
+ wpa_s->off_channel_freq = 0;
+ wpa_s->roc_waiting_drv_freq =
+ wpa_s->pending_action_freq;
+ }
+ }
+ return;
+ }
+
+ wpa_printf(MSG_DEBUG, "P2P: Sending pending Action frame to "
+ MACSTR " using interface %s",
+ MAC2STR(wpa_s->pending_action_dst), iface->ifname);
+ res = wpa_drv_send_action(iface, wpa_s->pending_action_freq, 0,
+ wpa_s->pending_action_dst,
+ wpa_s->pending_action_src,
+ wpa_s->pending_action_bssid,
+ wpabuf_head(wpa_s->pending_action_tx),
+ wpabuf_len(wpa_s->pending_action_tx));
+ if (res) {
+ wpa_printf(MSG_DEBUG, "P2P: Failed to send the pending "
+ "Action frame");
+ /*
+ * Use fake TX status event to allow P2P state machine to
+ * continue.
+ */
+ wpas_send_action_tx_status(
+ wpa_s, wpa_s->pending_action_dst,
+ wpabuf_head(wpa_s->pending_action_tx),
+ wpabuf_len(wpa_s->pending_action_tx),
+ P2P_SEND_ACTION_FAILED);
+ }
+}
+
+
+void wpas_send_action_tx_status(struct wpa_supplicant *wpa_s, const u8 *dst,
+ const u8 *data, size_t data_len,
+ enum p2p_send_action_result result)
+{
+ if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled)
+ return;
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
+ return;
+
+ if (wpa_s->pending_action_tx == NULL) {
+ wpa_printf(MSG_DEBUG, "P2P: Ignore Action TX status - no "
+ "pending operation");
+ return;
+ }
+
+ if (os_memcmp(dst, wpa_s->pending_action_dst, ETH_ALEN) != 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Ignore Action TX status - unknown "
+ "destination address");
+ return;
+ }
+
+ wpabuf_free(wpa_s->pending_action_tx);
+ wpa_s->pending_action_tx = NULL;
+
+ p2p_send_action_cb(wpa_s->global->p2p, wpa_s->pending_action_freq,
+ wpa_s->pending_action_dst,
+ wpa_s->pending_action_src,
+ wpa_s->pending_action_bssid,
+ result);
+
+ if (wpa_s->pending_pd_before_join &&
+ (os_memcmp(wpa_s->pending_action_dst, wpa_s->pending_join_dev_addr,
+ ETH_ALEN) == 0 ||
+ os_memcmp(wpa_s->pending_action_dst,
+ wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
+ wpa_s->pending_pd_before_join = 0;
+ wpa_printf(MSG_DEBUG, "P2P: Starting pending "
+ "join-existing-group operation");
+ wpas_p2p_join_start(wpa_s);
+ }
+}
+
+
+static int wpas_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_supplicant *wpa_s = ctx;
+
+ wpa_printf(MSG_DEBUG, "P2P: Send action frame: freq=%d dst=" MACSTR
+ " src=" MACSTR " bssid=" MACSTR " len=%d",
+ freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
+ (int) len);
+
+ if (wpa_s->pending_action_tx) {
+ wpa_printf(MSG_DEBUG, "P2P: Dropped pending Action frame TX "
+ "to " MACSTR, MAC2STR(wpa_s->pending_action_dst));
+ wpabuf_free(wpa_s->pending_action_tx);
+ }
+ wpa_s->pending_action_tx = wpabuf_alloc(len);
+ if (wpa_s->pending_action_tx == NULL) {
+ wpa_printf(MSG_DEBUG, "P2P: Failed to allocate Action frame "
+ "TX buffer (len=%llu)", (unsigned long long) len);
+ return -1;
+ }
+ wpabuf_put_data(wpa_s->pending_action_tx, buf, len);
+ os_memcpy(wpa_s->pending_action_src, src, ETH_ALEN);
+ os_memcpy(wpa_s->pending_action_dst, dst, ETH_ALEN);
+ os_memcpy(wpa_s->pending_action_bssid, bssid, ETH_ALEN);
+ wpa_s->pending_action_freq = freq;
+
+ if (freq != 0 && wpa_s->drv_flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) {
+ struct wpa_supplicant *iface;
+
+ iface = wpas_get_tx_interface(wpa_s, wpa_s->pending_action_src);
+ wpa_s->action_tx_wait_time = wait_time;
+
+ return wpa_drv_send_action(iface, wpa_s->pending_action_freq,
+ wait_time, wpa_s->pending_action_dst,
+ wpa_s->pending_action_src,
+ wpa_s->pending_action_bssid,
+ wpabuf_head(wpa_s->pending_action_tx),
+ wpabuf_len(wpa_s->pending_action_tx));
+ }
+
+ if (freq) {
+ struct wpa_supplicant *tx_iface;
+ tx_iface = wpas_get_tx_interface(wpa_s, src);
+ if (tx_iface->assoc_freq == freq) {
+ wpa_printf(MSG_DEBUG, "P2P: Already on requested "
+ "channel (TX interface operating channel)");
+ freq = 0;
+ }
+ }
+
+ if (wpa_s->off_channel_freq == freq || freq == 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Already on requested channel; "
+ "send Action frame immediately");
+ /* TODO: Would there ever be need to extend the current
+ * duration on the channel? */
+ wpa_s->pending_action_without_roc = 1;
+ eloop_cancel_timeout(wpas_send_action_cb, wpa_s, NULL);
+ eloop_register_timeout(0, 0, wpas_send_action_cb, wpa_s, NULL);
+ return 0;
+ }
+ wpa_s->pending_action_without_roc = 0;
+
+ if (wpa_s->roc_waiting_drv_freq == freq) {
+ wpa_printf(MSG_DEBUG, "P2P: Already waiting for driver to get "
+ "to frequency %u MHz; continue waiting to send the "
+ "Action frame", freq);
+ return 0;
+ }
+
+ wpa_printf(MSG_DEBUG, "P2P: Schedule Action frame to be transmitted "
+ "once the driver gets to the requested channel");
+ if (wait_time > wpa_s->max_remain_on_chan)
+ wait_time = wpa_s->max_remain_on_chan;
+ if (wpa_drv_remain_on_channel(wpa_s, 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;
+ }
+ wpa_s->off_channel_freq = 0;
+ wpa_s->roc_waiting_drv_freq = freq;
+
+ return 0;
+}
+
+
+static void wpas_send_action_done(void *ctx)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ wpa_printf(MSG_DEBUG, "P2P: Action frame sequence done notification");
+ wpabuf_free(wpa_s->pending_action_tx);
+ wpa_s->pending_action_tx = NULL;
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) {
+ if (wpa_s->action_tx_wait_time)
+ wpa_drv_send_action_cancel_wait(wpa_s);
+ wpa_s->off_channel_freq = 0;
+ } else if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
+ wpa_drv_cancel_remain_on_channel(wpa_s);
+ wpa_s->off_channel_freq = 0;
+ wpa_s->roc_waiting_drv_freq = 0;
+ }
+}
+
+
+static int wpas_copy_go_neg_results(struct wpa_supplicant *wpa_s,
+ struct p2p_go_neg_results *params)
+{
+ if (wpa_s->go_params == NULL) {
+ wpa_s->go_params = os_malloc(sizeof(*params));
+ if (wpa_s->go_params == NULL)
+ return -1;
+ }
+ os_memcpy(wpa_s->go_params, params, sizeof(*params));
+ return 0;
+}
+
+
+static void wpas_start_wps_enrollee(struct wpa_supplicant *wpa_s,
+ struct p2p_go_neg_results *res)
+{
+ wpa_printf(MSG_DEBUG, "P2P: Start WPS Enrollee for peer " MACSTR,
+ MAC2STR(res->peer_interface_addr));
+ wpa_hexdump_ascii(MSG_DEBUG, "P2P: Start WPS Enrollee for SSID",
+ res->ssid, res->ssid_len);
+ wpa_supplicant_ap_deinit(wpa_s);
+ wpas_copy_go_neg_results(wpa_s, res);
+ if (res->wps_method == WPS_PBC)
+ wpas_wps_start_pbc(wpa_s, res->peer_interface_addr, 1);
+ else {
+ u16 dev_pw_id = DEV_PW_DEFAULT;
+ if (wpa_s->p2p_wps_method == WPS_PIN_KEYPAD)
+ dev_pw_id = DEV_PW_REGISTRAR_SPECIFIED;
+ wpas_wps_start_pin(wpa_s, res->peer_interface_addr,
+ wpa_s->p2p_pin, 1, dev_pw_id);
+ }
+}
+
+
+static void p2p_go_configured(void *ctx, void *data)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ struct p2p_go_neg_results *params = data;
+ struct wpa_ssid *ssid;
+
+ ssid = wpa_s->current_ssid;
+ if (ssid && ssid->mode == WPAS_MODE_P2P_GO) {
+ wpa_printf(MSG_DEBUG, "P2P: Group setup without provisioning");
+ if (wpa_s->global->p2p_group_formation == wpa_s)
+ wpa_s->global->p2p_group_formation = NULL;
+ wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
+ "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" "
+ "go_dev_addr=" MACSTR "%s",
+ wpa_s->ifname,
+ wpa_ssid_txt(ssid->ssid, ssid->ssid_len),
+ ssid->frequency,
+ params->passphrase ? params->passphrase : "",
+ MAC2STR(wpa_s->parent->own_addr),
+ params->persistent_group ? " [PERSISTENT]" : "");
+ if (params->persistent_group)
+ wpas_p2p_store_persistent_group(
+ wpa_s->parent, ssid,
+ wpa_s->parent->own_addr);
+ wpas_p2p_cross_connect_setup(wpa_s);
+ wpas_p2p_set_group_idle_timeout(wpa_s);
+ return;
+ }
+
+ wpa_printf(MSG_DEBUG, "P2P: Setting up WPS for GO provisioning");
+ if (wpa_supplicant_ap_mac_addr_filter(wpa_s,
+ params->peer_interface_addr)) {
+ wpa_printf(MSG_DEBUG, "P2P: Failed to setup MAC address "
+ "filtering");
+ return;
+ }
+ if (params->wps_method == WPS_PBC)
+ wpa_supplicant_ap_wps_pbc(wpa_s, params->peer_interface_addr,
+ NULL);
+ else if (wpa_s->p2p_pin[0])
+ wpa_supplicant_ap_wps_pin(wpa_s, params->peer_interface_addr,
+ wpa_s->p2p_pin, NULL, 0);
+ os_free(wpa_s->go_params);
+ wpa_s->go_params = NULL;
+}
+
+
+static void wpas_start_wps_go(struct wpa_supplicant *wpa_s,
+ struct p2p_go_neg_results *params,
+ int group_formation)
+{
+ struct wpa_ssid *ssid;
+
+ if (wpas_copy_go_neg_results(wpa_s, params) < 0)
+ return;
+
+ ssid = wpa_config_add_network(wpa_s->conf);
+ if (ssid == NULL)
+ return;
+
+ wpas_notify_network_added(wpa_s, ssid);
+ wpa_config_set_network_defaults(ssid);
+ ssid->temporary = 1;
+ ssid->p2p_group = 1;
+ ssid->p2p_persistent_group = params->persistent_group;
+ ssid->mode = group_formation ? WPAS_MODE_P2P_GROUP_FORMATION :
+ WPAS_MODE_P2P_GO;
+ ssid->frequency = params->freq;
+ ssid->ssid = os_zalloc(params->ssid_len + 1);
+ if (ssid->ssid) {
+ os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
+ ssid->ssid_len = params->ssid_len;
+ }
+ ssid->auth_alg = WPA_AUTH_ALG_OPEN;
+ ssid->key_mgmt = WPA_KEY_MGMT_PSK;
+ ssid->proto = WPA_PROTO_RSN;
+ ssid->pairwise_cipher = WPA_CIPHER_CCMP;
+ ssid->passphrase = os_strdup(params->passphrase);
+
+ wpa_s->ap_configured_cb = p2p_go_configured;
+ wpa_s->ap_configured_cb_ctx = wpa_s;
+ wpa_s->ap_configured_cb_data = wpa_s->go_params;
+ wpa_s->connect_without_scan = 1;
+ wpa_s->reassociate = 1;
+ wpa_s->disconnected = 0;
+ wpa_supplicant_req_scan(wpa_s, 0, 0);
+}
+
+
+static void wpas_p2p_clone_config(struct wpa_supplicant *dst,
+ const struct wpa_supplicant *src)
+{
+ struct wpa_config *d;
+ const struct wpa_config *s;
+
+ d = dst->conf;
+ s = src->conf;
+
+#define C(n) if (s->n) d->n = os_strdup(s->n)
+ C(device_name);
+ C(manufacturer);
+ C(model_name);
+ C(model_number);
+ C(serial_number);
+ C(config_methods);
+#undef C
+
+ os_memcpy(d->device_type, s->device_type, WPS_DEV_TYPE_LEN);
+ os_memcpy(d->sec_device_type, s->sec_device_type,
+ sizeof(d->sec_device_type));
+ d->num_sec_device_types = s->num_sec_device_types;
+
+ d->p2p_group_idle = s->p2p_group_idle;
+ d->p2p_intra_bss = s->p2p_intra_bss;
+}
+
+
+static int wpas_p2p_add_group_interface(struct wpa_supplicant *wpa_s,
+ enum wpa_driver_if_type type)
+{
+ char ifname[120], force_ifname[120];
+
+ if (wpa_s->pending_interface_name[0]) {
+ wpa_printf(MSG_DEBUG, "P2P: Pending virtual interface exists "
+ "- skip creation of a new one");
+ if (is_zero_ether_addr(wpa_s->pending_interface_addr)) {
+ wpa_printf(MSG_DEBUG, "P2P: Pending virtual address "
+ "unknown?! ifname='%s'",
+ wpa_s->pending_interface_name);
+ return -1;
+ }
+ return 0;
+ }
+
+ os_snprintf(ifname, sizeof(ifname), "p2p-%s-%d", wpa_s->ifname,
+ wpa_s->p2p_group_idx);
+ if (os_strlen(ifname) >= IFNAMSIZ &&
+ os_strlen(wpa_s->ifname) < IFNAMSIZ) {
+ /* Try to avoid going over the IFNAMSIZ length limit */
+ os_snprintf(ifname, sizeof(ifname), "p2p-%d",
+ wpa_s->p2p_group_idx);
+ }
+ force_ifname[0] = '\0';
+
+ wpa_printf(MSG_DEBUG, "P2P: Create a new interface %s for the group",
+ ifname);
+ wpa_s->p2p_group_idx++;
+
+ wpa_s->pending_interface_type = type;
+ if (wpa_drv_if_add(wpa_s, type, ifname, NULL, NULL, force_ifname,
+ wpa_s->pending_interface_addr, NULL) < 0) {
+ wpa_printf(MSG_ERROR, "P2P: Failed to create new group "
+ "interface");
+ return -1;
+ }
+
+ if (force_ifname[0]) {
+ wpa_printf(MSG_DEBUG, "P2P: Driver forced interface name %s",
+ force_ifname);
+ os_strlcpy(wpa_s->pending_interface_name, force_ifname,
+ sizeof(wpa_s->pending_interface_name));
+ } else
+ os_strlcpy(wpa_s->pending_interface_name, ifname,
+ sizeof(wpa_s->pending_interface_name));
+ wpa_printf(MSG_DEBUG, "P2P: Created pending virtual interface %s addr "
+ MACSTR, wpa_s->pending_interface_name,
+ MAC2STR(wpa_s->pending_interface_addr));
+
+ return 0;
+}
+
+
+static void wpas_p2p_remove_pending_group_interface(
+ struct wpa_supplicant *wpa_s)
+{
+ if (!wpa_s->pending_interface_name[0] ||
+ is_zero_ether_addr(wpa_s->pending_interface_addr))
+ return; /* No pending virtual interface */
+
+ wpa_printf(MSG_DEBUG, "P2P: Removing pending group interface %s",
+ wpa_s->pending_interface_name);
+ wpa_drv_if_remove(wpa_s, wpa_s->pending_interface_type,
+ wpa_s->pending_interface_name);
+ os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
+ wpa_s->pending_interface_name[0] = '\0';
+}
+
+
+static struct wpa_supplicant *
+wpas_p2p_init_group_interface(struct wpa_supplicant *wpa_s, int go)
+{
+ struct wpa_interface iface;
+ struct wpa_supplicant *group_wpa_s;
+
+ if (!wpa_s->pending_interface_name[0]) {
+ wpa_printf(MSG_ERROR, "P2P: No pending group interface");
+ if (!wpas_p2p_create_iface(wpa_s))
+ return NULL;
+ /*
+ * Something has forced us to remove the pending interface; try
+ * to create a new one and hope for the best that we will get
+ * the same local address.
+ */
+ if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO :
+ WPA_IF_P2P_CLIENT) < 0)
+ return NULL;
+ }
+
+ os_memset(&iface, 0, sizeof(iface));
+ iface.ifname = wpa_s->pending_interface_name;
+ iface.driver = wpa_s->driver->name;
+ iface.ctrl_interface = wpa_s->conf->ctrl_interface;
+ iface.driver_param = wpa_s->conf->driver_param;
+ group_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface);
+ if (group_wpa_s == NULL) {
+ wpa_printf(MSG_ERROR, "P2P: Failed to create new "
+ "wpa_supplicant interface");
+ return NULL;
+ }
+ wpa_s->pending_interface_name[0] = '\0';
+ group_wpa_s->parent = wpa_s;
+ group_wpa_s->p2p_group_interface = go ? P2P_GROUP_INTERFACE_GO :
+ P2P_GROUP_INTERFACE_CLIENT;
+ wpa_s->global->p2p_group_formation = group_wpa_s;
+
+ wpas_p2p_clone_config(group_wpa_s, wpa_s);
+
+ return group_wpa_s;
+}
+
+
+static void wpas_p2p_group_formation_timeout(void *eloop_ctx,
+ void *timeout_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ wpa_printf(MSG_DEBUG, "P2P: Group Formation timed out");
+ if (wpa_s->global->p2p)
+ p2p_group_formation_failed(wpa_s->global->p2p);
+ else if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
+ wpa_drv_p2p_group_formation_failed(wpa_s);
+ wpas_group_formation_completed(wpa_s, 0);
+}
+
+
+void wpas_go_neg_completed(void *ctx, struct p2p_go_neg_results *res)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+
+ if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
+ wpa_drv_cancel_remain_on_channel(wpa_s);
+ wpa_s->off_channel_freq = 0;
+ wpa_s->roc_waiting_drv_freq = 0;
+ }
+
+ if (res->status) {
+ wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_FAILURE "status=%d",
+ res->status);
+ wpas_notify_p2p_go_neg_completed(wpa_s, res->status);
+ wpas_p2p_remove_pending_group_interface(wpa_s);
+ return;
+ }
+
+ wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_SUCCESS);
+ wpas_notify_p2p_go_neg_completed(wpa_s, P2P_SC_SUCCESS);
+
+ if (wpa_s->create_p2p_iface) {
+ struct wpa_supplicant *group_wpa_s =
+ wpas_p2p_init_group_interface(wpa_s, res->role_go);
+ if (group_wpa_s == NULL) {
+ wpas_p2p_remove_pending_group_interface(wpa_s);
+ return;
+ }
+ if (group_wpa_s != wpa_s) {
+ os_memcpy(group_wpa_s->p2p_pin, wpa_s->p2p_pin,
+ sizeof(group_wpa_s->p2p_pin));
+ group_wpa_s->p2p_wps_method = wpa_s->p2p_wps_method;
+ }
+ os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
+ wpa_s->pending_interface_name[0] = '\0';
+ group_wpa_s->p2p_in_provisioning = 1;
+
+ if (res->role_go)
+ wpas_start_wps_go(group_wpa_s, res, 1);
+ else
+ wpas_start_wps_enrollee(group_wpa_s, res);
+ } else {
+ wpa_s->p2p_in_provisioning = 1;
+ wpa_s->global->p2p_group_formation = wpa_s;
+
+ if (res->role_go)
+ wpas_start_wps_go(wpa_s, res, 1);
+ else
+ wpas_start_wps_enrollee(ctx, res);
+ }
+
+ wpa_s->p2p_long_listen = 0;
+ eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
+
+ eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
+ eloop_register_timeout(15 + res->peer_config_timeout / 100,
+ (res->peer_config_timeout % 100) * 10000,
+ wpas_p2p_group_formation_timeout, wpa_s, NULL);
+}
+
+
+void wpas_go_neg_req_rx(void *ctx, const u8 *src, u16 dev_passwd_id)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_REQUEST MACSTR
+ " dev_passwd_id=%u", MAC2STR(src), dev_passwd_id);
+
+ wpas_notify_p2p_go_neg_req(wpa_s, src, dev_passwd_id);
+}
+
+
+void wpas_dev_found(void *ctx, const u8 *addr,
+ const struct p2p_peer_info *info,
+ int new_device)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ char devtype[WPS_DEV_TYPE_BUFSIZE];
+
+ wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_FOUND MACSTR
+ " p2p_dev_addr=" MACSTR
+ " pri_dev_type=%s name='%s' config_methods=0x%x "
+ "dev_capab=0x%x group_capab=0x%x",
+ 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);
+
+ wpas_notify_p2p_device_found(ctx, info->p2p_device_addr, new_device);
+}
+
+
+static void wpas_dev_lost(void *ctx, const u8 *dev_addr)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+
+ wpas_notify_p2p_device_lost(wpa_s, dev_addr);
+}
+
+
+static int wpas_start_listen(void *ctx, unsigned int freq,
+ unsigned int duration,
+ const struct wpabuf *probe_resp_ie)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+
+ wpa_drv_set_ap_wps_ie(wpa_s, NULL, probe_resp_ie, NULL);
+
+ if (wpa_drv_probe_req_report(wpa_s, 1) < 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver to "
+ "report received Probe Request frames");
+ return -1;
+ }
+
+ wpa_s->pending_listen_freq = freq;
+ wpa_s->pending_listen_duration = duration;
+
+ if (wpa_drv_remain_on_channel(wpa_s, freq, duration) < 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver "
+ "to remain on channel (%u MHz) for Listen "
+ "state", freq);
+ wpa_s->pending_listen_freq = 0;
+ return -1;
+ }
+ wpa_s->off_channel_freq = 0;
+ wpa_s->roc_waiting_drv_freq = freq;
+
+ return 0;
+}
+
+
+static void wpas_stop_listen(void *ctx)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
+ wpa_drv_cancel_remain_on_channel(wpa_s);
+ wpa_s->off_channel_freq = 0;
+ wpa_s->roc_waiting_drv_freq = 0;
+ }
+ wpa_drv_set_ap_wps_ie(wpa_s, NULL, NULL, NULL);
+ wpa_drv_probe_req_report(wpa_s, 0);
+}
+
+
+static int wpas_send_probe_resp(void *ctx, const struct wpabuf *buf)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ return wpa_drv_send_mlme(wpa_s, wpabuf_head(buf), wpabuf_len(buf));
+}
+
+
+static struct p2p_srv_bonjour *
+wpas_p2p_service_get_bonjour(struct wpa_supplicant *wpa_s,
+ const struct wpabuf *query)
+{
+ struct p2p_srv_bonjour *bsrv;
+ size_t len;
+
+ len = wpabuf_len(query);
+ dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour,
+ struct p2p_srv_bonjour, list) {
+ if (len == wpabuf_len(bsrv->query) &&
+ os_memcmp(wpabuf_head(query), wpabuf_head(bsrv->query),
+ len) == 0)
+ return bsrv;
+ }
+ return NULL;
+}
+
+
+static struct p2p_srv_upnp *
+wpas_p2p_service_get_upnp(struct wpa_supplicant *wpa_s, u8 version,
+ const char *service)
+{
+ struct p2p_srv_upnp *usrv;
+
+ dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
+ struct p2p_srv_upnp, list) {
+ if (version == usrv->version &&
+ os_strcmp(service, usrv->service) == 0)
+ return usrv;
+ }
+ return NULL;
+}
+
+
+static void wpas_sd_add_proto_not_avail(struct wpabuf *resp, u8 srv_proto,
+ u8 srv_trans_id)
+{
+ u8 *len_pos;
+
+ if (wpabuf_tailroom(resp) < 5)
+ return;
+
+ /* Length (to be filled) */
+ len_pos = wpabuf_put(resp, 2);
+ wpabuf_put_u8(resp, srv_proto);
+ wpabuf_put_u8(resp, srv_trans_id);
+ /* Status Code */
+ wpabuf_put_u8(resp, P2P_SD_PROTO_NOT_AVAILABLE);
+ /* Response Data: empty */
+ WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
+}
+
+
+static void wpas_sd_all_bonjour(struct wpa_supplicant *wpa_s,
+ struct wpabuf *resp, u8 srv_trans_id)
+{
+ struct p2p_srv_bonjour *bsrv;
+ u8 *len_pos;
+
+ wpa_printf(MSG_DEBUG, "P2P: SD Request for all Bonjour services");
+
+ if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
+ wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available");
+ return;
+ }
+
+ dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour,
+ struct p2p_srv_bonjour, list) {
+ if (wpabuf_tailroom(resp) <
+ 5 + wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp))
+ return;
+ /* Length (to be filled) */
+ len_pos = wpabuf_put(resp, 2);
+ wpabuf_put_u8(resp, P2P_SERV_BONJOUR);
+ wpabuf_put_u8(resp, srv_trans_id);
+ /* Status Code */
+ wpabuf_put_u8(resp, P2P_SD_SUCCESS);
+ wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service",
+ wpabuf_head(bsrv->resp),
+ wpabuf_len(bsrv->resp));
+ /* Response Data */
+ wpabuf_put_buf(resp, bsrv->query); /* Key */
+ wpabuf_put_buf(resp, bsrv->resp); /* Value */
+ WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
+ 2);
+ }
+}
+
+
+static void wpas_sd_req_bonjour(struct wpa_supplicant *wpa_s,
+ struct wpabuf *resp, u8 srv_trans_id,
+ const u8 *query, size_t query_len)
+{
+ struct p2p_srv_bonjour *bsrv;
+ struct wpabuf buf;
+ u8 *len_pos;
+
+ wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for Bonjour",
+ query, query_len);
+ if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
+ wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available");
+ wpas_sd_add_proto_not_avail(resp, P2P_SERV_BONJOUR,
+ srv_trans_id);
+ return;
+ }
+
+ if (query_len == 0) {
+ wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
+ return;
+ }
+
+ if (wpabuf_tailroom(resp) < 5)
+ return;
+ /* Length (to be filled) */
+ len_pos = wpabuf_put(resp, 2);
+ wpabuf_put_u8(resp, P2P_SERV_BONJOUR);
+ wpabuf_put_u8(resp, srv_trans_id);
+
+ wpabuf_set(&buf, query, query_len);
+ bsrv = wpas_p2p_service_get_bonjour(wpa_s, &buf);
+ if (bsrv == NULL) {
+ wpa_printf(MSG_DEBUG, "P2P: Requested Bonjour service not "
+ "available");
+
+ /* Status Code */
+ wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE);
+ /* Response Data: empty */
+ WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
+ 2);
+ return;
+ }
+
+ /* Status Code */
+ wpabuf_put_u8(resp, P2P_SD_SUCCESS);
+ wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service",
+ wpabuf_head(bsrv->resp), wpabuf_len(bsrv->resp));
+
+ if (wpabuf_tailroom(resp) >=
+ wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp)) {
+ /* Response Data */
+ wpabuf_put_buf(resp, bsrv->query); /* Key */
+ wpabuf_put_buf(resp, bsrv->resp); /* Value */
+ }
+ WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
+}
+
+
+static void wpas_sd_all_upnp(struct wpa_supplicant *wpa_s,
+ struct wpabuf *resp, u8 srv_trans_id)
+{
+ struct p2p_srv_upnp *usrv;
+ u8 *len_pos;
+
+ wpa_printf(MSG_DEBUG, "P2P: SD Request for all UPnP services");
+
+ if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) {
+ wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available");
+ return;
+ }
+
+ dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
+ struct p2p_srv_upnp, list) {
+ if (wpabuf_tailroom(resp) < 5 + 1 + os_strlen(usrv->service))
+ return;
+
+ /* Length (to be filled) */
+ len_pos = wpabuf_put(resp, 2);
+ wpabuf_put_u8(resp, P2P_SERV_UPNP);
+ wpabuf_put_u8(resp, srv_trans_id);
+
+ /* Status Code */
+ wpabuf_put_u8(resp, P2P_SD_SUCCESS);
+ /* Response Data */
+ wpabuf_put_u8(resp, usrv->version);
+ wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s",
+ usrv->service);
+ wpabuf_put_str(resp, usrv->service);
+ WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
+ 2);
+ }
+}
+
+
+static void wpas_sd_req_upnp(struct wpa_supplicant *wpa_s,
+ struct wpabuf *resp, u8 srv_trans_id,
+ const u8 *query, size_t query_len)
+{
+ struct p2p_srv_upnp *usrv;
+ u8 *len_pos;
+ u8 version;
+ char *str;
+ int count = 0;
+
+ wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for UPnP",
+ query, query_len);
+
+ if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) {
+ wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available");
+ wpas_sd_add_proto_not_avail(resp, P2P_SERV_UPNP,
+ srv_trans_id);
+ return;
+ }
+
+ if (query_len == 0) {
+ wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
+ return;
+ }
+
+ if (wpabuf_tailroom(resp) < 5)
+ return;
+
+ /* Length (to be filled) */
+ len_pos = wpabuf_put(resp, 2);
+ wpabuf_put_u8(resp, P2P_SERV_UPNP);
+ wpabuf_put_u8(resp, srv_trans_id);
+
+ version = query[0];
+ str = os_malloc(query_len);
+ if (str == NULL)
+ return;
+ os_memcpy(str, query + 1, query_len - 1);
+ str[query_len - 1] = '\0';
+
+ dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
+ struct p2p_srv_upnp, list) {
+ if (version != usrv->version)
+ continue;
+
+ if (os_strcmp(str, "ssdp:all") != 0 &&
+ os_strstr(usrv->service, str) == NULL)
+ continue;
+
+ if (wpabuf_tailroom(resp) < 2)
+ break;
+ if (count == 0) {
+ /* Status Code */
+ wpabuf_put_u8(resp, P2P_SD_SUCCESS);
+ /* Response Data */
+ wpabuf_put_u8(resp, version);
+ } else
+ wpabuf_put_u8(resp, ',');
+
+ count++;
+
+ wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s",
+ usrv->service);
+ if (wpabuf_tailroom(resp) < os_strlen(usrv->service))
+ break;
+ wpabuf_put_str(resp, usrv->service);
+ }
+ os_free(str);
+
+ if (count == 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Requested UPnP service not "
+ "available");
+ /* Status Code */
+ wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE);
+ /* Response Data: empty */
+ }
+
+ WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
+}
+
+
+void wpas_sd_request(void *ctx, int freq, const u8 *sa, u8 dialog_token,
+ u16 update_indic, const u8 *tlvs, size_t tlvs_len)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ const u8 *pos = tlvs;
+ const u8 *end = tlvs + tlvs_len;
+ const u8 *tlv_end;
+ u16 slen;
+ struct wpabuf *resp;
+ u8 srv_proto, srv_trans_id;
+ size_t buf_len;
+ char *buf;
+
+ wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Request TLVs",
+ tlvs, tlvs_len);
+ buf_len = 2 * tlvs_len + 1;
+ buf = os_malloc(buf_len);
+ if (buf) {
+ wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len);
+ wpa_msg_ctrl(wpa_s, MSG_INFO, P2P_EVENT_SERV_DISC_REQ "%d "
+ MACSTR " %u %u %s",
+ freq, MAC2STR(sa), dialog_token, update_indic,
+ buf);
+ os_free(buf);
+ }
+
+ if (wpa_s->p2p_sd_over_ctrl_iface)
+ return; /* to be processed by an external program */
+
+ resp = wpabuf_alloc(10000);
+ if (resp == NULL)
+ return;
+
+ while (pos + 1 < end) {
+ wpa_printf(MSG_DEBUG, "P2P: Service Request TLV");
+ slen = WPA_GET_LE16(pos);
+ pos += 2;
+ if (pos + slen > end || slen < 2) {
+ wpa_printf(MSG_DEBUG, "P2P: Unexpected Query Data "
+ "length");
+ wpabuf_free(resp);
+ return;
+ }
+ tlv_end = pos + slen;
+
+ srv_proto = *pos++;
+ wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u",
+ srv_proto);
+ srv_trans_id = *pos++;
+ wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u",
+ srv_trans_id);
+
+ wpa_hexdump(MSG_MSGDUMP, "P2P: Query Data",
+ pos, tlv_end - pos);
+
+
+ if (wpa_s->force_long_sd) {
+ wpa_printf(MSG_DEBUG, "P2P: SD test - force long "
+ "response");
+ wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
+ wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
+ goto done;
+ }
+
+ switch (srv_proto) {
+ case P2P_SERV_ALL_SERVICES:
+ wpa_printf(MSG_DEBUG, "P2P: Service Discovery Request "
+ "for all services");
+ if (dl_list_empty(&wpa_s->global->p2p_srv_upnp) &&
+ dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
+ wpa_printf(MSG_DEBUG, "P2P: No service "
+ "discovery protocols available");
+ wpas_sd_add_proto_not_avail(
+ resp, P2P_SERV_ALL_SERVICES,
+ srv_trans_id);
+ break;
+ }
+ wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
+ wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
+ break;
+ case P2P_SERV_BONJOUR:
+ wpas_sd_req_bonjour(wpa_s, resp, srv_trans_id,
+ pos, tlv_end - pos);
+ break;
+ case P2P_SERV_UPNP:
+ wpas_sd_req_upnp(wpa_s, resp, srv_trans_id,
+ pos, tlv_end - pos);
+ break;
+ default:
+ wpa_printf(MSG_DEBUG, "P2P: Unavailable service "
+ "protocol %u", srv_proto);
+ wpas_sd_add_proto_not_avail(resp, srv_proto,
+ srv_trans_id);
+ break;
+ }
+
+ pos = tlv_end;
+ }
+
+done:
+ wpas_notify_p2p_sd_request(wpa_s, freq, sa, dialog_token,
+ update_indic, tlvs, tlvs_len);
+
+ wpas_p2p_sd_response(wpa_s, freq, sa, dialog_token, resp);
+
+ wpabuf_free(resp);
+}
+
+
+void wpas_sd_response(void *ctx, const u8 *sa, u16 update_indic,
+ const u8 *tlvs, size_t tlvs_len)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ const u8 *pos = tlvs;
+ const u8 *end = tlvs + tlvs_len;
+ const u8 *tlv_end;
+ u16 slen;
+ size_t buf_len;
+ char *buf;
+
+ wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Response TLVs",
+ tlvs, tlvs_len);
+ if (tlvs_len > 1500) {
+ /* TODO: better way for handling this */
+ wpa_msg_ctrl(wpa_s, MSG_INFO,
+ P2P_EVENT_SERV_DISC_RESP MACSTR
+ " %u <long response: %u bytes>",
+ MAC2STR(sa), update_indic,
+ (unsigned int) tlvs_len);
+ } else {
+ buf_len = 2 * tlvs_len + 1;
+ buf = os_malloc(buf_len);
+ if (buf) {
+ wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len);
+ wpa_msg_ctrl(wpa_s, MSG_INFO,
+ P2P_EVENT_SERV_DISC_RESP MACSTR " %u %s",
+ MAC2STR(sa), update_indic, buf);
+ os_free(buf);
+ }
+ }
+
+ while (pos < end) {
+ u8 srv_proto, srv_trans_id, status;
+
+ wpa_printf(MSG_DEBUG, "P2P: Service Response TLV");
+ slen = WPA_GET_LE16(pos);
+ pos += 2;
+ if (pos + slen > end || slen < 3) {
+ wpa_printf(MSG_DEBUG, "P2P: Unexpected Response Data "
+ "length");
+ return;
+ }
+ tlv_end = pos + slen;
+
+ srv_proto = *pos++;
+ wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u",
+ srv_proto);
+ srv_trans_id = *pos++;
+ wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u",
+ srv_trans_id);
+ status = *pos++;
+ wpa_printf(MSG_DEBUG, "P2P: Status Code ID %u",
+ status);
+
+ wpa_hexdump(MSG_MSGDUMP, "P2P: Response Data",
+ pos, tlv_end - pos);
+
+ pos = tlv_end;
+ }
+
+ wpas_notify_p2p_sd_response(wpa_s, sa, update_indic, tlvs, tlvs_len);
+}
+
+
+void * wpas_p2p_sd_request(struct wpa_supplicant *wpa_s, const u8 *dst,
+ const struct wpabuf *tlvs)
+{
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
+ return (void *) wpa_drv_p2p_sd_request(wpa_s, dst, tlvs);
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return NULL;
+ return p2p_sd_request(wpa_s->global->p2p, dst, tlvs);
+}
+
+
+void * wpas_p2p_sd_request_upnp(struct wpa_supplicant *wpa_s, const u8 *dst,
+ u8 version, const char *query)
+{
+ struct wpabuf *tlvs;
+ void *ret;
+
+ tlvs = wpabuf_alloc(2 + 1 + 1 + 1 + os_strlen(query));
+ if (tlvs == NULL)
+ return NULL;
+ wpabuf_put_le16(tlvs, 1 + 1 + 1 + os_strlen(query));
+ wpabuf_put_u8(tlvs, P2P_SERV_UPNP); /* Service Protocol Type */
+ wpabuf_put_u8(tlvs, 1); /* Service Transaction ID */
+ wpabuf_put_u8(tlvs, version);
+ wpabuf_put_str(tlvs, query);
+ ret = wpas_p2p_sd_request(wpa_s, dst, tlvs);
+ wpabuf_free(tlvs);
+ return ret;
+}
+
+
+int wpas_p2p_sd_cancel_request(struct wpa_supplicant *wpa_s, void *req)
+{
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
+ return wpa_drv_p2p_sd_cancel_request(wpa_s, (u64) req);
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return -1;
+ return p2p_sd_cancel_request(wpa_s->global->p2p, req);
+}
+
+
+void wpas_p2p_sd_response(struct wpa_supplicant *wpa_s, int freq,
+ const u8 *dst, u8 dialog_token,
+ const struct wpabuf *resp_tlvs)
+{
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
+ wpa_drv_p2p_sd_response(wpa_s, freq, dst, dialog_token,
+ resp_tlvs);
+ return;
+ }
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return;
+ p2p_sd_response(wpa_s->global->p2p, freq, dst, dialog_token,
+ resp_tlvs);
+}
+
+
+void wpas_p2p_sd_service_update(struct wpa_supplicant *wpa_s)
+{
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
+ wpa_drv_p2p_service_update(wpa_s);
+ return;
+ }
+ if (wpa_s->global->p2p)
+ p2p_sd_service_update(wpa_s->global->p2p);
+}
+
+
+static void wpas_p2p_srv_bonjour_free(struct p2p_srv_bonjour *bsrv)
+{
+ dl_list_del(&bsrv->list);
+ wpabuf_free(bsrv->query);
+ wpabuf_free(bsrv->resp);
+ os_free(bsrv);
+}
+
+
+static void wpas_p2p_srv_upnp_free(struct p2p_srv_upnp *usrv)
+{
+ dl_list_del(&usrv->list);
+ os_free(usrv->service);
+ os_free(usrv);
+}
+
+
+void wpas_p2p_service_flush(struct wpa_supplicant *wpa_s)
+{
+ struct p2p_srv_bonjour *bsrv, *bn;
+ struct p2p_srv_upnp *usrv, *un;
+
+ dl_list_for_each_safe(bsrv, bn, &wpa_s->global->p2p_srv_bonjour,
+ struct p2p_srv_bonjour, list)
+ wpas_p2p_srv_bonjour_free(bsrv);
+
+ dl_list_for_each_safe(usrv, un, &wpa_s->global->p2p_srv_upnp,
+ struct p2p_srv_upnp, list)
+ wpas_p2p_srv_upnp_free(usrv);
+
+ wpas_p2p_sd_service_update(wpa_s);
+}
+
+
+int wpas_p2p_service_add_bonjour(struct wpa_supplicant *wpa_s,
+ struct wpabuf *query, struct wpabuf *resp)
+{
+ struct p2p_srv_bonjour *bsrv;
+
+ bsrv = wpas_p2p_service_get_bonjour(wpa_s, query);
+ if (bsrv) {
+ wpabuf_free(query);
+ wpabuf_free(bsrv->resp);
+ bsrv->resp = resp;
+ return 0;
+ }
+
+ bsrv = os_zalloc(sizeof(*bsrv));
+ if (bsrv == NULL)
+ return -1;
+ bsrv->query = query;
+ bsrv->resp = resp;
+ dl_list_add(&wpa_s->global->p2p_srv_bonjour, &bsrv->list);
+
+ wpas_p2p_sd_service_update(wpa_s);
+ return 0;
+}
+
+
+int wpas_p2p_service_del_bonjour(struct wpa_supplicant *wpa_s,
+ const struct wpabuf *query)
+{
+ struct p2p_srv_bonjour *bsrv;
+
+ bsrv = wpas_p2p_service_get_bonjour(wpa_s, query);
+ if (bsrv == NULL)
+ return -1;
+ wpas_p2p_srv_bonjour_free(bsrv);
+ wpas_p2p_sd_service_update(wpa_s);
+ return 0;
+}
+
+
+int wpas_p2p_service_add_upnp(struct wpa_supplicant *wpa_s, u8 version,
+ const char *service)
+{
+ struct p2p_srv_upnp *usrv;
+
+ if (wpas_p2p_service_get_upnp(wpa_s, version, service))
+ return 0; /* Already listed */
+ usrv = os_zalloc(sizeof(*usrv));
+ if (usrv == NULL)
+ return -1;
+ usrv->version = version;
+ usrv->service = os_strdup(service);
+ if (usrv->service == NULL) {
+ os_free(usrv);
+ return -1;
+ }
+ dl_list_add(&wpa_s->global->p2p_srv_upnp, &usrv->list);
+
+ wpas_p2p_sd_service_update(wpa_s);
+ return 0;
+}
+
+
+int wpas_p2p_service_del_upnp(struct wpa_supplicant *wpa_s, u8 version,
+ const char *service)
+{
+ struct p2p_srv_upnp *usrv;
+
+ usrv = wpas_p2p_service_get_upnp(wpa_s, version, service);
+ if (usrv == NULL)
+ return -1;
+ wpas_p2p_srv_upnp_free(usrv);
+ wpas_p2p_sd_service_update(wpa_s);
+ return 0;
+}
+
+
+static void wpas_prov_disc_local_display(struct wpa_supplicant *wpa_s,
+ const u8 *peer, const char *params,
+ unsigned int generated_pin)
+{
+ wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR " %08d%s",
+ MAC2STR(peer), generated_pin, params);
+}
+
+
+static void wpas_prov_disc_local_keypad(struct wpa_supplicant *wpa_s,
+ const u8 *peer, const char *params)
+{
+ wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR "%s",
+ MAC2STR(peer), params);
+}
+
+
+void wpas_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)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ char devtype[WPS_DEV_TYPE_BUFSIZE];
+ char params[200];
+ u8 empty_dev_type[8];
+ unsigned int generated_pin = 0;
+
+ if (pri_dev_type == NULL) {
+ os_memset(empty_dev_type, 0, sizeof(empty_dev_type));
+ pri_dev_type = empty_dev_type;
+ }
+ os_snprintf(params, sizeof(params), " p2p_dev_addr=" MACSTR
+ " pri_dev_type=%s name='%s' config_methods=0x%x "
+ "dev_capab=0x%x group_capab=0x%x",
+ MAC2STR(dev_addr),
+ wps_dev_type_bin2str(pri_dev_type, devtype,
+ sizeof(devtype)),
+ dev_name, supp_config_methods, dev_capab, group_capab);
+ params[sizeof(params) - 1] = '\0';
+
+ if (config_methods & WPS_CONFIG_DISPLAY) {
+ generated_pin = wps_generate_pin();
+ wpas_prov_disc_local_display(wpa_s, peer, params,
+ generated_pin);
+ } else if (config_methods & WPS_CONFIG_KEYPAD)
+ wpas_prov_disc_local_keypad(wpa_s, peer, params);
+ else if (config_methods & WPS_CONFIG_PUSHBUTTON)
+ wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_REQ MACSTR
+ "%s", MAC2STR(peer), params);
+}
+
+
+void wpas_prov_disc_resp(void *ctx, const u8 *peer, u16 config_methods)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ unsigned int generated_pin = 0;
+
+ if (config_methods & WPS_CONFIG_DISPLAY)
+ wpas_prov_disc_local_keypad(wpa_s, peer, "");
+ else if (config_methods & WPS_CONFIG_KEYPAD) {
+ generated_pin = wps_generate_pin();
+ wpas_prov_disc_local_display(wpa_s, peer, "", generated_pin);
+ } else if (config_methods & WPS_CONFIG_PUSHBUTTON)
+ wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_RESP MACSTR,
+ MAC2STR(peer));
+
+ if (wpa_s->pending_pd_before_join &&
+ (os_memcmp(peer, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 ||
+ os_memcmp(peer, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
+ wpa_s->pending_pd_before_join = 0;
+ wpa_printf(MSG_DEBUG, "P2P: Starting pending "
+ "join-existing-group operation");
+ wpas_p2p_join_start(wpa_s);
+ }
+}
+
+
+static u8 wpas_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)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_ssid *s;
+ u8 cur_bssid[ETH_ALEN];
+ int res;
+ struct wpa_supplicant *grp;
+
+ if (!persistent_group) {
+ wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
+ " to join an active group", MAC2STR(sa));
+ if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) &&
+ (os_memcmp(go_dev_addr, wpa_s->p2p_auth_invite, ETH_ALEN)
+ == 0 ||
+ os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0)) {
+ wpa_printf(MSG_DEBUG, "P2P: Accept previously "
+ "authorized invitation");
+ goto accept_inv;
+ }
+ /*
+ * Do not accept the invitation automatically; notify user and
+ * request approval.
+ */
+ return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
+ }
+
+ grp = wpas_get_p2p_group(wpa_s, ssid, ssid_len, go);
+ if (grp) {
+ wpa_printf(MSG_DEBUG, "P2P: Accept invitation to already "
+ "running persistent group");
+ if (*go)
+ os_memcpy(group_bssid, grp->own_addr, ETH_ALEN);
+ goto accept_inv;
+ }
+
+ if (!wpa_s->conf->persistent_reconnect)
+ return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
+
+ for (s = wpa_s->conf->ssid; s; s = s->next) {
+ if (s->disabled == 2 &&
+ os_memcmp(s->bssid, go_dev_addr, ETH_ALEN) == 0 &&
+ s->ssid_len == ssid_len &&
+ os_memcmp(ssid, s->ssid, ssid_len) == 0)
+ break;
+ }
+
+ if (!s) {
+ wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
+ " requested reinvocation of an unknown group",
+ MAC2STR(sa));
+ return P2P_SC_FAIL_UNKNOWN_GROUP;
+ }
+
+ if (s->mode == WPAS_MODE_P2P_GO && !wpas_p2p_create_iface(wpa_s)) {
+ *go = 1;
+ if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
+ wpa_printf(MSG_DEBUG, "P2P: The only available "
+ "interface is already in use - reject "
+ "invitation");
+ return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
+ }
+ os_memcpy(group_bssid, wpa_s->own_addr, ETH_ALEN);
+ } else if (s->mode == WPAS_MODE_P2P_GO) {
+ *go = 1;
+ if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO) < 0)
+ {
+ wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
+ "interface address for the group");
+ return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
+ }
+ os_memcpy(group_bssid, wpa_s->pending_interface_addr,
+ ETH_ALEN);
+ }
+
+accept_inv:
+ if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, cur_bssid) == 0 &&
+ wpa_s->assoc_freq) {
+ wpa_printf(MSG_DEBUG, "P2P: Trying to force channel to match "
+ "the channel we are already using");
+ *force_freq = wpa_s->assoc_freq;
+ }
+
+ res = wpa_drv_shared_freq(wpa_s);
+ if (res > 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Trying to force channel to match "
+ "with the channel we are already using on a "
+ "shared interface");
+ *force_freq = res;
+ }
+
+ return P2P_SC_SUCCESS;
+}
+
+
+static void wpas_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)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_ssid *s;
+
+ for (s = wpa_s->conf->ssid; s; s = s->next) {
+ if (s->disabled == 2 &&
+ s->ssid_len == ssid_len &&
+ os_memcmp(ssid, s->ssid, ssid_len) == 0)
+ break;
+ }
+
+ if (status == P2P_SC_SUCCESS) {
+ wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
+ " was accepted; op_freq=%d MHz",
+ MAC2STR(sa), op_freq);
+ if (s) {
+ wpas_p2p_group_add_persistent(
+ wpa_s, s, s->mode == WPAS_MODE_P2P_GO, 0);
+ } else if (bssid) {
+ wpas_p2p_join(wpa_s, bssid, go_dev_addr,
+ wpa_s->p2p_wps_method);
+ }
+ return;
+ }
+
+ if (status != P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
+ wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
+ " was rejected (status %u)", MAC2STR(sa), status);
+ return;
+ }
+
+ if (!s) {
+ if (bssid) {
+ wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
+ "sa=" MACSTR " go_dev_addr=" MACSTR
+ " bssid=" MACSTR " unknown-network",
+ MAC2STR(sa), MAC2STR(go_dev_addr),
+ MAC2STR(bssid));
+ } else {
+ wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
+ "sa=" MACSTR " go_dev_addr=" MACSTR
+ " unknown-network",
+ MAC2STR(sa), MAC2STR(go_dev_addr));
+ }
+ return;
+ }
+
+ wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED "sa=" MACSTR
+ " persistent=%d", MAC2STR(sa), s->id);
+}
+
+
+static void wpas_invitation_result(void *ctx, int status, const u8 *bssid)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_ssid *ssid;
+
+ if (bssid) {
+ wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
+ "status=%d " MACSTR,
+ status, MAC2STR(bssid));
+ } else {
+ wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
+ "status=%d ", status);
+ }
+ wpas_notify_p2p_invitation_result(wpa_s, status, bssid);
+
+ if (wpa_s->pending_invite_ssid_id == -1)
+ return; /* Invitation to active group */
+
+ if (status != P2P_SC_SUCCESS) {
+ wpas_p2p_remove_pending_group_interface(wpa_s);
+ return;
+ }
+
+ ssid = wpa_config_get_network(wpa_s->conf,
+ wpa_s->pending_invite_ssid_id);
+ if (ssid == NULL) {
+ wpa_printf(MSG_ERROR, "P2P: Could not find persistent group "
+ "data matching with invitation");
+ return;
+ }
+
+ wpas_p2p_group_add_persistent(wpa_s, ssid,
+ ssid->mode == WPAS_MODE_P2P_GO, 0);
+}
+
+
+static int wpas_p2p_default_channels(struct wpa_supplicant *wpa_s,
+ struct p2p_channels *chan)
+{
+ int i, cla = 0;
+
+ wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for 2.4 GHz "
+ "band");
+
+ /* Operating class 81 - 2.4 GHz band channels 1..13 */
+ chan->reg_class[cla].reg_class = 81;
+ chan->reg_class[cla].channels = 11;
+ for (i = 0; i < 11; i++)
+ chan->reg_class[cla].channel[i] = i + 1;
+ cla++;
+
+ wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for lower 5 GHz "
+ "band");
+
+ /* Operating class 115 - 5 GHz, channels 36-48 */
+ chan->reg_class[cla].reg_class = 115;
+ chan->reg_class[cla].channels = 4;
+ chan->reg_class[cla].channel[0] = 36;
+ chan->reg_class[cla].channel[1] = 40;
+ chan->reg_class[cla].channel[2] = 44;
+ chan->reg_class[cla].channel[3] = 48;
+ cla++;
+
+ wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for higher 5 GHz "
+ "band");
+
+ /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
+ chan->reg_class[cla].reg_class = 124;
+ chan->reg_class[cla].channels = 4;
+ chan->reg_class[cla].channel[0] = 149;
+ chan->reg_class[cla].channel[1] = 153;
+ chan->reg_class[cla].channel[2] = 157;
+ chan->reg_class[cla].channel[3] = 161;
+ cla++;
+
+ chan->reg_classes = cla;
+ return 0;
+}
+
+
+static struct hostapd_hw_modes * get_mode(struct hostapd_hw_modes *modes,
+ u16 num_modes,
+ enum hostapd_hw_mode mode)
+{
+ u16 i;
+
+ for (i = 0; i < num_modes; i++) {
+ if (modes[i].mode == mode)
+ return &modes[i];
+ }
+
+ return NULL;
+}
+
+
+static int has_channel(struct hostapd_hw_modes *mode, u8 chan, int *flags)
+{
+ int i;
+
+ for (i = 0; i < mode->num_channels; i++) {
+ if (mode->channels[i].chan == chan) {
+ if (flags)
+ *flags = mode->channels[i].flag;
+ return !(mode->channels[i].flag &
+ (HOSTAPD_CHAN_DISABLED |
+ HOSTAPD_CHAN_PASSIVE_SCAN |
+ HOSTAPD_CHAN_NO_IBSS |
+ HOSTAPD_CHAN_RADAR));
+ }
+ }
+
+ return 0;
+}
+
+
+struct p2p_oper_class_map {
+ enum hostapd_hw_mode mode;
+ u8 op_class;
+ u8 min_chan;
+ u8 max_chan;
+ u8 inc;
+ enum { BW20, BW40PLUS, BW40MINUS } bw;
+};
+
+static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s,
+ struct p2p_channels *chan)
+{
+ struct hostapd_hw_modes *modes, *mode;
+ u16 num_modes, flags;
+ int cla, op;
+ struct p2p_oper_class_map op_class[] = {
+ { HOSTAPD_MODE_IEEE80211G, 81, 1, 13, 1, BW20 },
+ { HOSTAPD_MODE_IEEE80211G, 82, 14, 14, 1, BW20 },
+#if 0 /* Do not enable HT40 on 2 GHz for now */
+ { HOSTAPD_MODE_IEEE80211G, 83, 1, 9, 1, BW40PLUS },
+ { HOSTAPD_MODE_IEEE80211G, 84, 5, 13, 1, BW40MINUS },
+#endif
+ { HOSTAPD_MODE_IEEE80211A, 115, 36, 48, 4, BW20 },
+ { HOSTAPD_MODE_IEEE80211A, 124, 149, 161, 4, BW20 },
+ { HOSTAPD_MODE_IEEE80211A, 116, 36, 44, 8, BW40PLUS },
+ { HOSTAPD_MODE_IEEE80211A, 117, 40, 48, 8, BW40MINUS },
+ { HOSTAPD_MODE_IEEE80211A, 126, 149, 157, 8, BW40PLUS },
+ { HOSTAPD_MODE_IEEE80211A, 127, 153, 161, 8, BW40MINUS },
+ { -1, 0, 0, 0, 0, BW20 }
+ };
+
+ modes = wpa_drv_get_hw_feature_data(wpa_s, &num_modes, &flags);
+ if (modes == NULL) {
+ wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching "
+ "of all supported channels; assume dualband "
+ "support");
+ return wpas_p2p_default_channels(wpa_s, chan);
+ }
+
+ cla = 0;
+
+ for (op = 0; op_class[op].op_class; op++) {
+ struct p2p_oper_class_map *o = &op_class[op];
+ u8 ch;
+ struct p2p_reg_class *reg = NULL;
+
+ mode = get_mode(modes, num_modes, o->mode);
+ if (mode == NULL)
+ continue;
+ for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
+ int flag;
+ if (!has_channel(mode, ch, &flag))
+ continue;
+ if (o->bw == BW40MINUS &&
+ (!(flag & HOSTAPD_CHAN_HT40MINUS) ||
+ !has_channel(mode, ch - 4, NULL)))
+ continue;
+ if (o->bw == BW40PLUS &&
+ (!(flag & HOSTAPD_CHAN_HT40PLUS) ||
+ !has_channel(mode, ch + 4, NULL)))
+ continue;
+ if (reg == NULL) {
+ wpa_printf(MSG_DEBUG, "P2P: Add operating "
+ "class %u", o->op_class);
+ reg = &chan->reg_class[cla];
+ cla++;
+ reg->reg_class = o->op_class;
+ }
+ reg->channel[reg->channels] = ch;
+ reg->channels++;
+ }
+ if (reg) {
+ wpa_hexdump(MSG_DEBUG, "P2P: Channels",
+ reg->channel, reg->channels);
+ }
+ }
+
+ chan->reg_classes = cla;
+
+ ieee80211_sta_free_hw_features(modes, num_modes);
+
+ return 0;
+}
+
+
+static int wpas_get_noa(void *ctx, const u8 *interface_addr, u8 *buf,
+ size_t buf_len)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+
+ for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
+ if (os_memcmp(wpa_s->own_addr, interface_addr, ETH_ALEN) == 0)
+ break;
+ }
+ if (wpa_s == NULL)
+ return -1;
+
+ return wpa_drv_get_noa(wpa_s, buf, buf_len);
+}
+
+
+/**
+ * wpas_p2p_init - Initialize P2P module for %wpa_supplicant
+ * @global: Pointer to global data from wpa_supplicant_init()
+ * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
+ * Returns: 0 on success, -1 on failure
+ */
+int wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s)
+{
+ struct p2p_config p2p;
+ unsigned int r;
+ int i;
+
+ if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
+ return 0;
+
+#ifdef CONFIG_CLIENT_MLME
+ if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)) {
+ wpa_s->mlme.public_action_cb = p2p_rx_action_mlme;
+ wpa_s->mlme.public_action_cb_ctx = wpa_s;
+ }
+#endif /* CONFIG_CLIENT_MLME */
+
+ if (wpa_drv_disable_11b_rates(wpa_s, 1) < 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Failed to disable 11b rates");
+ /* Continue anyway; this is not really a fatal error */
+ }
+
+ if (global->p2p)
+ return 0;
+
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
+ struct p2p_params params;
+
+ wpa_printf(MSG_DEBUG, "P2P: Use driver-based P2P management");
+ os_memset(&params, 0, sizeof(params));
+ params.dev_name = wpa_s->conf->device_name;
+ os_memcpy(params.pri_dev_type, wpa_s->conf->device_type,
+ WPS_DEV_TYPE_LEN);
+ params.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
+ os_memcpy(params.sec_dev_type,
+ wpa_s->conf->sec_device_type,
+ params.num_sec_dev_types * WPS_DEV_TYPE_LEN);
+
+ if (wpa_drv_p2p_set_params(wpa_s, &params) < 0)
+ return -1;
+
+ return 0;
+ }
+
+ os_memset(&p2p, 0, sizeof(p2p));
+ p2p.msg_ctx = wpa_s;
+ p2p.cb_ctx = wpa_s;
+ p2p.p2p_scan = wpas_p2p_scan;
+ p2p.send_action = wpas_send_action;
+ p2p.send_action_done = wpas_send_action_done;
+ p2p.go_neg_completed = wpas_go_neg_completed;
+ p2p.go_neg_req_rx = wpas_go_neg_req_rx;
+ p2p.dev_found = wpas_dev_found;
+ p2p.dev_lost = wpas_dev_lost;
+ p2p.start_listen = wpas_start_listen;
+ p2p.stop_listen = wpas_stop_listen;
+ p2p.send_probe_resp = wpas_send_probe_resp;
+ p2p.sd_request = wpas_sd_request;
+ p2p.sd_response = wpas_sd_response;
+ p2p.prov_disc_req = wpas_prov_disc_req;
+ p2p.prov_disc_resp = wpas_prov_disc_resp;
+ p2p.invitation_process = wpas_invitation_process;
+ p2p.invitation_received = wpas_invitation_received;
+ p2p.invitation_result = wpas_invitation_result;
+ p2p.get_noa = wpas_get_noa;
+
+ os_memcpy(wpa_s->global->p2p_dev_addr, wpa_s->own_addr, ETH_ALEN);
+ os_memcpy(p2p.dev_addr, wpa_s->own_addr, ETH_ALEN);
+ p2p.dev_name = wpa_s->conf->device_name;
+ p2p.manufacturer = wpa_s->conf->manufacturer;
+ p2p.model_name = wpa_s->conf->model_name;
+ p2p.model_number = wpa_s->conf->model_number;
+ p2p.serial_number = wpa_s->conf->serial_number;
+ if (wpa_s->wps) {
+ os_memcpy(p2p.uuid, wpa_s->wps->uuid, 16);
+ p2p.config_methods = wpa_s->wps->config_methods;
+ }
+
+ if (wpa_s->conf->p2p_listen_reg_class &&
+ wpa_s->conf->p2p_listen_channel) {
+ p2p.reg_class = wpa_s->conf->p2p_listen_reg_class;
+ p2p.channel = wpa_s->conf->p2p_listen_channel;
+ } else {
+ p2p.reg_class = 81;
+ /*
+ * Pick one of the social channels randomly as the listen
+ * channel.
+ */
+ os_get_random((u8 *) &r, sizeof(r));
+ p2p.channel = 1 + (r % 3) * 5;
+ }
+ wpa_printf(MSG_DEBUG, "P2P: Own listen channel: %d", p2p.channel);
+
+ if (wpa_s->conf->p2p_oper_reg_class &&
+ wpa_s->conf->p2p_oper_channel) {
+ p2p.op_reg_class = wpa_s->conf->p2p_oper_reg_class;
+ p2p.op_channel = wpa_s->conf->p2p_oper_channel;
+ p2p.cfg_op_channel = 1;
+ wpa_printf(MSG_DEBUG, "P2P: Configured operating channel: "
+ "%d:%d", p2p.op_reg_class, p2p.op_channel);
+
+ } else {
+ p2p.op_reg_class = 81;
+ /*
+ * Use random operation channel from (1, 6, 11) if no other
+ * preference is indicated.
+ */
+ os_get_random((u8 *) &r, sizeof(r));
+ p2p.op_channel = 1 + (r % 3) * 5;
+ p2p.cfg_op_channel = 0;
+ wpa_printf(MSG_DEBUG, "P2P: Random operating channel: "
+ "%d:%d", p2p.op_reg_class, p2p.op_channel);
+ }
+ if (wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
+ os_memcpy(p2p.country, wpa_s->conf->country, 2);
+ p2p.country[2] = 0x04;
+ } else
+ os_memcpy(p2p.country, "XX\x04", 3);
+
+ if (wpas_p2p_setup_channels(wpa_s, &p2p.channels)) {
+ wpa_printf(MSG_ERROR, "P2P: Failed to configure supported "
+ "channel list");
+ return -1;
+ }
+
+ os_memcpy(p2p.pri_dev_type, wpa_s->conf->device_type,
+ WPS_DEV_TYPE_LEN);
+
+ p2p.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
+ os_memcpy(p2p.sec_dev_type, wpa_s->conf->sec_device_type,
+ p2p.num_sec_dev_types * WPS_DEV_TYPE_LEN);
+
+ p2p.concurrent_operations = !!(wpa_s->drv_flags &
+ WPA_DRIVER_FLAGS_P2P_CONCURRENT);
+
+ p2p.max_peers = 100;
+
+ if (wpa_s->conf->p2p_ssid_postfix) {
+ p2p.ssid_postfix_len =
+ os_strlen(wpa_s->conf->p2p_ssid_postfix);
+ if (p2p.ssid_postfix_len > sizeof(p2p.ssid_postfix))
+ p2p.ssid_postfix_len = sizeof(p2p.ssid_postfix);
+ os_memcpy(p2p.ssid_postfix, wpa_s->conf->p2p_ssid_postfix,
+ p2p.ssid_postfix_len);
+ }
+
+ p2p.p2p_intra_bss = wpa_s->conf->p2p_intra_bss;
+
+ global->p2p = p2p_init(&p2p);
+ if (global->p2p == NULL)
+ return -1;
+
+ for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) {
+ if (wpa_s->conf->wps_vendor_ext[i] == NULL)
+ continue;
+ p2p_add_wps_vendor_extension(
+ global->p2p, wpa_s->conf->wps_vendor_ext[i]);
+ }
+
+ return 0;
+}
+
+
+/**
+ * wpas_p2p_deinit - Deinitialize per-interface P2P data
+ * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
+ *
+ * This function deinitialize per-interface P2P data.
+ */
+void wpas_p2p_deinit(struct wpa_supplicant *wpa_s)
+{
+ if (wpa_s->driver && wpa_s->drv_priv)
+ wpa_drv_probe_req_report(wpa_s, 0);
+ os_free(wpa_s->go_params);
+ wpa_s->go_params = NULL;
+ wpabuf_free(wpa_s->pending_action_tx);
+ wpa_s->pending_action_tx = NULL;
+ eloop_cancel_timeout(wpas_send_action_cb, wpa_s, NULL);
+ eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
+ eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
+ wpa_s->p2p_long_listen = 0;
+ eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
+ eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
+ wpas_p2p_remove_pending_group_interface(wpa_s);
+
+ /* TODO: remove group interface from the driver if this wpa_s instance
+ * is on top of a P2P group interface */
+}
+
+
+/**
+ * wpas_p2p_deinit_global - Deinitialize global P2P module
+ * @global: Pointer to global data from wpa_supplicant_init()
+ *
+ * This function deinitializes the global (per device) P2P module.
+ */
+void wpas_p2p_deinit_global(struct wpa_global *global)
+{
+ struct wpa_supplicant *wpa_s, *tmp;
+ char *ifname;
+
+ if (global->p2p == NULL)
+ return;
+
+ /* Remove remaining P2P group interfaces */
+ wpa_s = global->ifaces;
+ if (wpa_s)
+ wpas_p2p_service_flush(wpa_s);
+ while (wpa_s && wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE)
+ wpa_s = wpa_s->next;
+ while (wpa_s) {
+ enum wpa_driver_if_type type;
+ tmp = global->ifaces;
+ while (tmp &&
+ (tmp == wpa_s ||
+ tmp->p2p_group_interface == NOT_P2P_GROUP_INTERFACE)) {
+ tmp = tmp->next;
+ }
+ if (tmp == NULL)
+ break;
+ ifname = os_strdup(tmp->ifname);
+ type = wpas_p2p_if_type(tmp->p2p_group_interface);
+ wpa_supplicant_remove_iface(global, tmp);
+ if (ifname)
+ wpa_drv_if_remove(wpa_s, type, ifname);
+ os_free(ifname);
+ }
+
+ /*
+ * Deinit GO data on any possibly remaining interface (if main
+ * interface is used as GO).
+ */
+ for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
+ if (wpa_s->ap_iface)
+ wpas_p2p_group_deinit(wpa_s);
+ }
+
+ p2p_deinit(global->p2p);
+ global->p2p = NULL;
+}
+
+
+static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s)
+{
+ if (wpa_s->drv_flags &
+ (WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE |
+ WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P))
+ return 1; /* P2P group requires a new interface in every case
+ */
+ if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CONCURRENT))
+ return 0; /* driver does not support concurrent operations */
+ if (wpa_s->global->ifaces->next)
+ return 1; /* more that one interface already in use */
+ if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
+ return 1; /* this interface is already in use */
+ return 0;
+}
+
+
+static int wpas_p2p_start_go_neg(struct wpa_supplicant *wpa_s,
+ 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)
+{
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
+ return wpa_drv_p2p_connect(wpa_s, peer_addr, wps_method,
+ go_intent, own_interface_addr,
+ force_freq, persistent_group);
+ }
+
+ return p2p_connect(wpa_s->global->p2p, peer_addr, wps_method,
+ go_intent, own_interface_addr, force_freq,
+ persistent_group);
+}
+
+
+static int wpas_p2p_auth_go_neg(struct wpa_supplicant *wpa_s,
+ 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)
+{
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
+ return -1;
+
+ return p2p_authorize(wpa_s->global->p2p, peer_addr, wps_method,
+ go_intent, own_interface_addr, force_freq,
+ persistent_group);
+}
+
+
+static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant *wpa_s)
+{
+ wpa_s->p2p_join_scan_count++;
+ wpa_printf(MSG_DEBUG, "P2P: Join scan attempt %d",
+ wpa_s->p2p_join_scan_count);
+ if (wpa_s->p2p_join_scan_count > P2P_MAX_JOIN_SCAN_ATTEMPTS) {
+ wpa_printf(MSG_DEBUG, "P2P: Failed to find GO " MACSTR
+ " for join operationg - stop join attempt",
+ MAC2STR(wpa_s->pending_join_iface_addr));
+ eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
+ wpa_msg(wpa_s->parent, MSG_INFO,
+ P2P_EVENT_GROUP_FORMATION_FAILURE);
+ }
+}
+
+
+static void wpas_p2p_scan_res_join(struct wpa_supplicant *wpa_s,
+ struct wpa_scan_results *scan_res)
+{
+ struct wpa_bss *bss;
+ int freq;
+ u8 iface_addr[ETH_ALEN];
+
+ eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
+
+ if (wpa_s->global->p2p_disabled)
+ return;
+
+ wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS) for join",
+ scan_res ? (int) scan_res->num : -1);
+
+ if (scan_res)
+ wpas_p2p_scan_res_handler(wpa_s, scan_res);
+
+ freq = p2p_get_oper_freq(wpa_s->global->p2p,
+ wpa_s->pending_join_iface_addr);
+ if (freq < 0 &&
+ p2p_get_interface_addr(wpa_s->global->p2p,
+ wpa_s->pending_join_dev_addr,
+ iface_addr) == 0 &&
+ os_memcmp(iface_addr, wpa_s->pending_join_dev_addr, ETH_ALEN) != 0)
+ {
+ wpa_printf(MSG_DEBUG, "P2P: Overwrite pending interface "
+ "address for join from " MACSTR " to " MACSTR
+ " based on newly discovered P2P peer entry",
+ MAC2STR(wpa_s->pending_join_iface_addr),
+ MAC2STR(iface_addr));
+ os_memcpy(wpa_s->pending_join_iface_addr, iface_addr,
+ ETH_ALEN);
+
+ freq = p2p_get_oper_freq(wpa_s->global->p2p,
+ wpa_s->pending_join_iface_addr);
+ }
+ if (freq >= 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency "
+ "from P2P peer table: %d MHz", freq);
+ }
+ bss = wpa_bss_get_bssid(wpa_s, wpa_s->pending_join_iface_addr);
+ if (bss) {
+ freq = bss->freq;
+ wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency "
+ "from BSS table: %d MHz", freq);
+ }
+ if (freq > 0) {
+ u16 method;
+
+ wpa_printf(MSG_DEBUG, "P2P: Send Provision Discovery Request "
+ "prior to joining an existing group (GO " MACSTR
+ " freq=%u MHz)",
+ MAC2STR(wpa_s->pending_join_dev_addr), freq);
+ wpa_s->pending_pd_before_join = 1;
+
+ switch (wpa_s->pending_join_wps_method) {
+ case WPS_PIN_LABEL:
+ case WPS_PIN_DISPLAY:
+ method = WPS_CONFIG_KEYPAD;
+ break;
+ case WPS_PIN_KEYPAD:
+ method = WPS_CONFIG_DISPLAY;
+ break;
+ case WPS_PBC:
+ method = WPS_CONFIG_PUSHBUTTON;
+ break;
+ default:
+ method = 0;
+ break;
+ }
+
+ if (p2p_prov_disc_req(wpa_s->global->p2p,
+ wpa_s->pending_join_dev_addr, method, 1)
+ < 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Failed to send Provision "
+ "Discovery Request before joining an "
+ "existing group");
+ wpa_s->pending_pd_before_join = 0;
+ goto start;
+ }
+
+ /*
+ * Actual join operation will be started from the Action frame
+ * TX status callback.
+ */
+ return;
+ }
+
+ wpa_printf(MSG_DEBUG, "P2P: Failed to find BSS/GO - try again later");
+ eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
+ eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL);
+ wpas_p2p_check_join_scan_limit(wpa_s);
+ return;
+
+start:
+ /* Start join operation immediately */
+ wpas_p2p_join_start(wpa_s);
+}
+
+
+static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ int ret;
+ struct wpa_driver_scan_params params;
+ struct wpabuf *wps_ie, *ies;
+
+ 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;
+
+ 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, 0, NULL);
+ if (wps_ie == NULL) {
+ wpas_p2p_scan_res_join(wpa_s, NULL);
+ return;
+ }
+
+ ies = wpabuf_alloc(wpabuf_len(wps_ie) + 100);
+ if (ies == NULL) {
+ wpabuf_free(wps_ie);
+ wpas_p2p_scan_res_join(wpa_s, NULL);
+ return;
+ }
+ wpabuf_put_buf(ies, wps_ie);
+ wpabuf_free(wps_ie);
+
+ p2p_scan_ie(wpa_s->global->p2p, ies);
+
+ params.extra_ies = wpabuf_head(ies);
+ params.extra_ies_len = wpabuf_len(ies);
+
+ /*
+ * Run a scan to update BSS table and start Provision Discovery once
+ * the new scan results become available.
+ */
+ wpa_s->scan_res_handler = wpas_p2p_scan_res_join;
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
+ ret = ieee80211_sta_req_scan(wpa_s, &params);
+ else
+ ret = wpa_drv_scan(wpa_s, &params);
+
+ wpabuf_free(ies);
+
+ if (ret) {
+ wpa_printf(MSG_DEBUG, "P2P: Failed to start scan for join - "
+ "try again later");
+ eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
+ eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL);
+ wpas_p2p_check_join_scan_limit(wpa_s);
+ }
+}
+
+
+static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr,
+ const u8 *dev_addr, enum p2p_wps_method wps_method)
+{
+ wpa_printf(MSG_DEBUG, "P2P: Request to join existing group (iface "
+ MACSTR " dev " MACSTR ")",
+ MAC2STR(iface_addr), MAC2STR(dev_addr));
+
+ os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, ETH_ALEN);
+ os_memcpy(wpa_s->pending_join_dev_addr, dev_addr, ETH_ALEN);
+ wpa_s->pending_join_wps_method = wps_method;
+
+ /* Make sure we are not running find during connection establishment */
+ wpas_p2p_stop_find(wpa_s);
+
+ wpa_s->p2p_join_scan_count = 0;
+ wpas_p2p_join_scan(wpa_s, NULL);
+ return 0;
+}
+
+
+static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_supplicant *group;
+ struct p2p_go_neg_results res;
+
+ group = wpas_p2p_get_group_iface(wpa_s, 0, 0);
+ if (group == NULL)
+ return -1;
+ if (group != wpa_s) {
+ os_memcpy(group->p2p_pin, wpa_s->p2p_pin,
+ sizeof(group->p2p_pin));
+ group->p2p_wps_method = wpa_s->p2p_wps_method;
+ }
+
+ group->p2p_in_provisioning = 1;
+
+ os_memset(&res, 0, sizeof(res));
+ os_memcpy(res.peer_interface_addr, wpa_s->pending_join_iface_addr,
+ ETH_ALEN);
+ res.wps_method = wpa_s->pending_join_wps_method;
+ wpas_start_wps_enrollee(group, &res);
+
+ /*
+ * Allow a longer timeout for join-a-running-group than normal 15
+ * second group formation timeout since the GO may not have authorized
+ * our connection yet.
+ */
+ eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
+ eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout,
+ wpa_s, NULL);
+
+ return 0;
+}
+
+
+/**
+ * wpas_p2p_connect - Request P2P Group Formation to be started
+ * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
+ * @peer_addr: Address of the peer P2P Device
+ * @pin: PIN to use during provisioning or %NULL to indicate PBC mode
+ * @persistent_group: Whether to create a persistent group
+ * @join: Whether to join an existing group (as a client) instead of starting
+ * Group Owner negotiation; @peer_addr is BSSID in that case
+ * @auth: Whether to only authorize the connection instead of doing that and
+ * initiating Group Owner negotiation
+ * @go_intent: GO Intent or -1 to use default
+ * @freq: Frequency for the group or 0 for auto-selection
+ * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified
+ * failure, -2 on failure due to channel not currently available,
+ * -3 if forced channel is not supported
+ */
+int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
+ const char *pin, enum p2p_wps_method wps_method,
+ int persistent_group, int join, int auth, int go_intent,
+ int freq)
+{
+ int force_freq = 0, oper_freq = 0;
+ u8 bssid[ETH_ALEN];
+ int ret = 0;
+ enum wpa_driver_if_type iftype;
+
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return -1;
+
+ if (go_intent < 0)
+ go_intent = wpa_s->conf->p2p_go_intent;
+
+ if (!auth)
+ wpa_s->p2p_long_listen = 0;
+
+ wpa_s->p2p_wps_method = wps_method;
+
+ if (pin)
+ os_strlcpy(wpa_s->p2p_pin, pin, sizeof(wpa_s->p2p_pin));
+ else if (wps_method == WPS_PIN_DISPLAY) {
+ ret = wps_generate_pin();
+ os_snprintf(wpa_s->p2p_pin, sizeof(wpa_s->p2p_pin), "%08d",
+ ret);
+ wpa_printf(MSG_DEBUG, "P2P: Randomly generated PIN: %s",
+ wpa_s->p2p_pin);
+ } else
+ wpa_s->p2p_pin[0] = '\0';
+
+ if (join) {
+ u8 iface_addr[ETH_ALEN], dev_addr[ETH_ALEN];
+ if (auth) {
+ wpa_printf(MSG_DEBUG, "P2P: Authorize invitation to "
+ "connect a running group from " MACSTR,
+ MAC2STR(peer_addr));
+ os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN);
+ return ret;
+ }
+ os_memcpy(dev_addr, peer_addr, ETH_ALEN);
+ if (p2p_get_interface_addr(wpa_s->global->p2p, peer_addr,
+ iface_addr) < 0) {
+ os_memcpy(iface_addr, peer_addr, ETH_ALEN);
+ p2p_get_dev_addr(wpa_s->global->p2p, peer_addr,
+ dev_addr);
+ }
+ if (wpas_p2p_join(wpa_s, iface_addr, dev_addr, wps_method) <
+ 0)
+ return -1;
+ return ret;
+ }
+
+ if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
+ wpa_s->assoc_freq)
+ oper_freq = wpa_s->assoc_freq;
+ else {
+ oper_freq = wpa_drv_shared_freq(wpa_s);
+ if (oper_freq < 0)
+ oper_freq = 0;
+ }
+
+ if (freq > 0) {
+ if (!p2p_supported_freq(wpa_s->global->p2p, freq)) {
+ wpa_printf(MSG_DEBUG, "P2P: The forced channel "
+ "(%u MHz) is not supported for P2P uses",
+ freq);
+ return -3;
+ }
+
+ if (oper_freq > 0 && freq != oper_freq &&
+ !(wpa_s->drv_flags &
+ WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) {
+ wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group "
+ "on %u MHz while connected on another "
+ "channel (%u MHz)", freq, oper_freq);
+ return -2;
+ }
+ wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the "
+ "requested channel (%u MHz)", freq);
+ force_freq = freq;
+ } else if (oper_freq > 0 &&
+ !p2p_supported_freq(wpa_s->global->p2p, oper_freq)) {
+ if (!(wpa_s->drv_flags &
+ WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) {
+ wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group "
+ "while connected on non-P2P supported "
+ "channel (%u MHz)", oper_freq);
+ return -2;
+ }
+ wpa_printf(MSG_DEBUG, "P2P: Current operating channel "
+ "(%u MHz) not available for P2P - try to use "
+ "another channel", oper_freq);
+ force_freq = 0;
+ } else if (oper_freq > 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the "
+ "channel we are already using (%u MHz) on another "
+ "interface", oper_freq);
+ force_freq = oper_freq;
+ }
+
+ wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
+
+ if (!wpa_s->create_p2p_iface) {
+ if (auth) {
+ if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method,
+ go_intent, wpa_s->own_addr,
+ force_freq, persistent_group)
+ < 0)
+ return -1;
+ return ret;
+ }
+ if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method,
+ go_intent, wpa_s->own_addr,
+ force_freq, persistent_group) < 0)
+ return -1;
+ return ret;
+ }
+
+ /* Prepare to add a new interface for the group */
+ iftype = WPA_IF_P2P_GROUP;
+ if (join)
+ iftype = WPA_IF_P2P_CLIENT;
+ else if (go_intent == 15)
+ iftype = WPA_IF_P2P_GO;
+ if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) {
+ wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
+ "interface for the group");
+ return -1;
+ }
+
+ if (auth) {
+ if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method,
+ go_intent,
+ wpa_s->pending_interface_addr,
+ force_freq, persistent_group) < 0)
+ return -1;
+ return ret;
+ }
+ if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method, go_intent,
+ wpa_s->pending_interface_addr,
+ force_freq, persistent_group) < 0) {
+ wpas_p2p_remove_pending_group_interface(wpa_s);
+ return -1;
+ }
+ return ret;
+}
+
+
+/**
+ * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start
+ * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
+ * @freq: Frequency of the channel in MHz
+ * @duration: Duration of the stay on the channel in milliseconds
+ *
+ * This callback is called when the driver indicates that it has started the
+ * requested remain-on-channel duration.
+ */
+void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
+ unsigned int freq, unsigned int duration)
+{
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return;
+ wpa_s->roc_waiting_drv_freq = 0;
+ wpa_s->off_channel_freq = freq;
+ wpas_send_action_cb(wpa_s, NULL);
+ if (wpa_s->off_channel_freq == wpa_s->pending_listen_freq) {
+ p2p_listen_cb(wpa_s->global->p2p, wpa_s->pending_listen_freq,
+ wpa_s->pending_listen_duration);
+ wpa_s->pending_listen_freq = 0;
+ }
+}
+
+
+static int wpas_p2p_listen_start(struct wpa_supplicant *wpa_s,
+ unsigned int timeout)
+{
+ /* Limit maximum Listen state time based on driver limitation. */
+ if (timeout > wpa_s->max_remain_on_chan)
+ timeout = wpa_s->max_remain_on_chan;
+
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
+ return wpa_drv_p2p_listen(wpa_s, timeout);
+
+ return p2p_listen(wpa_s->global->p2p, timeout);
+}
+
+
+/**
+ * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout
+ * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
+ * @freq: Frequency of the channel in MHz
+ *
+ * This callback is called when the driver indicates that a remain-on-channel
+ * operation has been completed, i.e., the duration on the requested channel
+ * has timed out.
+ */
+void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
+ unsigned int freq)
+{
+ wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel callback "
+ "(p2p_long_listen=%d ms pending_action_tx=%p)",
+ wpa_s->p2p_long_listen, wpa_s->pending_action_tx);
+ wpa_s->off_channel_freq = 0;
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return;
+ if (p2p_listen_end(wpa_s->global->p2p, freq) > 0)
+ return; /* P2P module started a new operation */
+ if (wpa_s->pending_action_tx)
+ return;
+ if (wpa_s->p2p_long_listen > 0)
+ wpa_s->p2p_long_listen -= wpa_s->max_remain_on_chan;
+ if (wpa_s->p2p_long_listen > 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Continuing long Listen state");
+ wpas_p2p_listen_start(wpa_s, wpa_s->p2p_long_listen);
+ }
+}
+
+
+/**
+ * wpas_p2p_group_remove - Remove a P2P group
+ * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
+ * @ifname: Network interface name of the group interface or "*" to remove all
+ * groups
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is used to remove a P2P group. This can be used to disconnect
+ * from a group in which the local end is a P2P Client or to end a P2P Group in
+ * case the local end is the Group Owner. If a virtual network interface was
+ * created for this group, that interface will be removed. Otherwise, only the
+ * configured P2P group network will be removed from the interface.
+ */
+int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname)
+{
+ struct wpa_global *global = wpa_s->global;
+
+ if (os_strcmp(ifname, "*") == 0) {
+ struct wpa_supplicant *prev;
+ wpa_s = global->ifaces;
+ while (wpa_s) {
+ prev = wpa_s;
+ wpa_s = wpa_s->next;
+ wpas_p2p_disconnect(prev);
+ }
+ return 0;
+ }
+
+ for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
+ if (os_strcmp(wpa_s->ifname, ifname) == 0)
+ break;
+ }
+
+ return wpas_p2p_disconnect(wpa_s);
+}
+
+
+static void wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s,
+ struct p2p_go_neg_results *params,
+ int freq)
+{
+ u8 bssid[ETH_ALEN];
+ int res;
+
+ os_memset(params, 0, sizeof(*params));
+ params->role_go = 1;
+ if (freq) {
+ wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on forced "
+ "frequency %d MHz", freq);
+ params->freq = freq;
+ } else if (wpa_s->conf->p2p_oper_reg_class == 81 &&
+ wpa_s->conf->p2p_oper_channel >= 1 &&
+ wpa_s->conf->p2p_oper_channel <= 11) {
+ params->freq = 2407 + 5 * wpa_s->conf->p2p_oper_channel;
+ wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured "
+ "frequency %d MHz", params->freq);
+ } else if (wpa_s->conf->p2p_oper_reg_class == 115 ||
+ wpa_s->conf->p2p_oper_reg_class == 118) {
+ params->freq = 5000 + 5 * wpa_s->conf->p2p_oper_channel;
+ wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured "
+ "frequency %d MHz", params->freq);
+ } else if (wpa_s->conf->p2p_oper_channel == 0 &&
+ wpa_s->best_overall_freq > 0 &&
+ p2p_supported_freq(wpa_s->global->p2p,
+ wpa_s->best_overall_freq)) {
+ params->freq = wpa_s->best_overall_freq;
+ wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best overall "
+ "channel %d MHz", params->freq);
+ } else if (wpa_s->conf->p2p_oper_channel == 0 &&
+ wpa_s->best_24_freq > 0 &&
+ p2p_supported_freq(wpa_s->global->p2p,
+ wpa_s->best_24_freq)) {
+ params->freq = wpa_s->best_24_freq;
+ wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 2.4 GHz "
+ "channel %d MHz", params->freq);
+ } else if (wpa_s->conf->p2p_oper_channel == 0 &&
+ wpa_s->best_5_freq > 0 &&
+ p2p_supported_freq(wpa_s->global->p2p,
+ wpa_s->best_5_freq)) {
+ params->freq = wpa_s->best_5_freq;
+ wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 5 GHz "
+ "channel %d MHz", params->freq);
+ } else {
+ params->freq = 2412;
+ wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz (no preference "
+ "known)", params->freq);
+ }
+
+ if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
+ wpa_s->assoc_freq && !freq) {
+ wpa_printf(MSG_DEBUG, "P2P: Force GO on the channel we are "
+ "already using");
+ params->freq = wpa_s->assoc_freq;
+ }
+
+ res = wpa_drv_shared_freq(wpa_s);
+ if (res > 0 && !freq) {
+ wpa_printf(MSG_DEBUG, "P2P: Force GO on the channel we are "
+ "already using on a shared interface");
+ params->freq = res;
+ }
+}
+
+
+static struct wpa_supplicant *
+wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
+ int go)
+{
+ struct wpa_supplicant *group_wpa_s;
+
+ if (!wpas_p2p_create_iface(wpa_s))
+ return wpa_s;
+
+ if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO :
+ WPA_IF_P2P_CLIENT) < 0)
+ return NULL;
+ group_wpa_s = wpas_p2p_init_group_interface(wpa_s, go);
+ if (group_wpa_s == NULL) {
+ wpas_p2p_remove_pending_group_interface(wpa_s);
+ return NULL;
+ }
+
+ return group_wpa_s;
+}
+
+
+/**
+ * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner
+ * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
+ * @persistent_group: Whether to create a persistent group
+ * @freq: Frequency for the group or 0 to indicate no hardcoding
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function creates a new P2P group with the local end as the Group Owner,
+ * i.e., without using Group Owner Negotiation.
+ */
+int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group,
+ int freq)
+{
+ struct p2p_go_neg_results params;
+ unsigned int r;
+
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return -1;
+
+ if (freq == 2) {
+ wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 2.4 GHz "
+ "band");
+ if (wpa_s->best_24_freq > 0 &&
+ p2p_supported_freq(wpa_s->global->p2p,
+ wpa_s->best_24_freq)) {
+ freq = wpa_s->best_24_freq;
+ wpa_printf(MSG_DEBUG, "P2P: Use best 2.4 GHz band "
+ "channel: %d MHz", freq);
+ } else {
+ os_get_random((u8 *) &r, sizeof(r));
+ freq = 2412 + (r % 3) * 25;
+ wpa_printf(MSG_DEBUG, "P2P: Use random 2.4 GHz band "
+ "channel: %d MHz", freq);
+ }
+ }
+
+ if (freq == 5) {
+ wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 5 GHz "
+ "band");
+ if (wpa_s->best_5_freq > 0 &&
+ p2p_supported_freq(wpa_s->global->p2p,
+ wpa_s->best_5_freq)) {
+ freq = wpa_s->best_5_freq;
+ wpa_printf(MSG_DEBUG, "P2P: Use best 5 GHz band "
+ "channel: %d MHz", freq);
+ } else {
+ os_get_random((u8 *) &r, sizeof(r));
+ freq = 5180 + (r % 4) * 20;
+ if (!p2p_supported_freq(wpa_s->global->p2p, freq)) {
+ wpa_printf(MSG_DEBUG, "P2P: Could not select "
+ "5 GHz channel for P2P group");
+ return -1;
+ }
+ wpa_printf(MSG_DEBUG, "P2P: Use random 5 GHz band "
+ "channel: %d MHz", freq);
+ }
+ }
+
+ if (freq > 0 && !p2p_supported_freq(wpa_s->global->p2p, freq)) {
+ wpa_printf(MSG_DEBUG, "P2P: The forced channel for GO "
+ "(%u MHz) is not supported for P2P uses",
+ freq);
+ return -1;
+ }
+
+ wpas_p2p_init_go_params(wpa_s, &params, freq);
+ p2p_go_params(wpa_s->global->p2p, &params);
+ params.persistent_group = persistent_group;
+
+ wpa_s = wpas_p2p_get_group_iface(wpa_s, 0, 1);
+ if (wpa_s == NULL)
+ return -1;
+ wpas_start_wps_go(wpa_s, &params, 0);
+
+ return 0;
+}
+
+
+static int wpas_start_p2p_client(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *params, int addr_allocated)
+{
+ struct wpa_ssid *ssid;
+
+ wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 0);
+ if (wpa_s == NULL)
+ return -1;
+
+ wpa_supplicant_ap_deinit(wpa_s);
+
+ 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);
+ ssid->temporary = 1;
+ ssid->proto = WPA_PROTO_RSN;
+ ssid->pairwise_cipher = WPA_CIPHER_CCMP;
+ ssid->group_cipher = WPA_CIPHER_CCMP;
+ ssid->key_mgmt = WPA_KEY_MGMT_PSK;
+ ssid->ssid = os_malloc(params->ssid_len);
+ if (ssid->ssid == NULL) {
+ wpas_notify_network_removed(wpa_s, ssid);
+ wpa_config_remove_network(wpa_s->conf, ssid->id);
+ return -1;
+ }
+ os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
+ ssid->ssid_len = params->ssid_len;
+ ssid->p2p_group = 1;
+ ssid->export_keys = 1;
+ if (params->psk_set) {
+ os_memcpy(ssid->psk, params->psk, 32);
+ ssid->psk_set = 1;
+ }
+ if (params->passphrase)
+ ssid->passphrase = os_strdup(params->passphrase);
+
+ wpa_supplicant_select_network(wpa_s, ssid);
+
+ wpa_s->show_group_started = 1;
+
+ return 0;
+}
+
+
+int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid, int addr_allocated,
+ int freq)
+{
+ struct p2p_go_neg_results params;
+ int go = 0;
+
+ if (ssid->disabled != 2 || ssid->ssid == NULL)
+ return -1;
+
+ if (wpas_get_p2p_group(wpa_s, ssid->ssid, ssid->ssid_len, &go) &&
+ go == (ssid->mode == WPAS_MODE_P2P_GO)) {
+ wpa_printf(MSG_DEBUG, "P2P: Requested persistent group is "
+ "already running");
+ return 0;
+ }
+
+ /* Make sure we are not running find during connection establishment */
+ wpas_p2p_stop_find(wpa_s);
+
+ if (ssid->mode == WPAS_MODE_INFRA)
+ return wpas_start_p2p_client(wpa_s, ssid, addr_allocated);
+
+ if (ssid->mode != WPAS_MODE_P2P_GO)
+ return -1;
+
+ wpas_p2p_init_go_params(wpa_s, &params, freq);
+
+ params.role_go = 1;
+ if (ssid->passphrase == NULL ||
+ os_strlen(ssid->passphrase) >= sizeof(params.passphrase)) {
+ wpa_printf(MSG_DEBUG, "P2P: Invalid passphrase in persistent "
+ "group");
+ return -1;
+ }
+ os_strlcpy(params.passphrase, ssid->passphrase,
+ sizeof(params.passphrase));
+ os_memcpy(params.ssid, ssid->ssid, ssid->ssid_len);
+ params.ssid_len = ssid->ssid_len;
+ params.persistent_group = 1;
+
+ wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 1);
+ if (wpa_s == NULL)
+ return -1;
+
+ wpas_start_wps_go(wpa_s, &params, 0);
+
+ return 0;
+}
+
+
+static void wpas_p2p_ie_update(void *ctx, struct wpabuf *beacon_ies,
+ struct wpabuf *proberesp_ies)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ if (wpa_s->ap_iface) {
+ struct hostapd_data *hapd = wpa_s->ap_iface->bss[0];
+ if (beacon_ies) {
+ wpabuf_free(hapd->p2p_beacon_ie);
+ hapd->p2p_beacon_ie = beacon_ies;
+ }
+ wpabuf_free(hapd->p2p_probe_resp_ie);
+ hapd->p2p_probe_resp_ie = proberesp_ies;
+ } else {
+ wpabuf_free(beacon_ies);
+ wpabuf_free(proberesp_ies);
+ }
+ wpa_supplicant_ap_update_beacon(wpa_s);
+}
+
+
+static void wpas_p2p_idle_update(void *ctx, int idle)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ if (!wpa_s->ap_iface)
+ return;
+ wpa_printf(MSG_DEBUG, "P2P: GO - group %sidle", idle ? "" : "not ");
+ if (idle)
+ wpas_p2p_set_group_idle_timeout(wpa_s);
+ else
+ eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
+}
+
+
+struct p2p_group * wpas_p2p_group_init(struct wpa_supplicant *wpa_s,
+ int persistent_group,
+ int group_formation)
+{
+ struct p2p_group *group;
+ struct p2p_group_config *cfg;
+
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
+ return NULL;
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return NULL;
+
+ cfg = os_zalloc(sizeof(*cfg));
+ if (cfg == NULL)
+ return NULL;
+
+ cfg->persistent_group = persistent_group;
+ os_memcpy(cfg->interface_addr, wpa_s->own_addr, ETH_ALEN);
+ if (wpa_s->max_stations &&
+ wpa_s->max_stations < wpa_s->conf->max_num_sta)
+ cfg->max_clients = wpa_s->max_stations;
+ else
+ cfg->max_clients = wpa_s->conf->max_num_sta;
+ cfg->cb_ctx = wpa_s;
+ cfg->ie_update = wpas_p2p_ie_update;
+ cfg->idle_update = wpas_p2p_idle_update;
+
+ group = p2p_group_init(wpa_s->global->p2p, cfg);
+ if (group == NULL)
+ os_free(cfg);
+ if (!group_formation)
+ p2p_group_notif_formation_done(group);
+ wpa_s->p2p_group = group;
+ return group;
+}
+
+
+void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
+ int registrar)
+{
+ if (!wpa_s->p2p_in_provisioning) {
+ wpa_printf(MSG_DEBUG, "P2P: Ignore WPS success event - P2P "
+ "provisioning not in progress");
+ return;
+ }
+
+ eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->parent,
+ NULL);
+ if (wpa_s->global->p2p)
+ p2p_wps_success_cb(wpa_s->global->p2p, peer_addr);
+ else if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
+ wpa_drv_wps_success_cb(wpa_s, peer_addr);
+ wpas_group_formation_completed(wpa_s, 1);
+}
+
+
+int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
+ const char *config_method)
+{
+ u16 config_methods;
+
+ if (os_strcmp(config_method, "display") == 0)
+ config_methods = WPS_CONFIG_DISPLAY;
+ else if (os_strcmp(config_method, "keypad") == 0)
+ config_methods = WPS_CONFIG_KEYPAD;
+ else if (os_strcmp(config_method, "pbc") == 0 ||
+ os_strcmp(config_method, "pushbutton") == 0)
+ config_methods = WPS_CONFIG_PUSHBUTTON;
+ else
+ return -1;
+
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
+ return wpa_drv_p2p_prov_disc_req(wpa_s, peer_addr,
+ config_methods);
+ }
+
+ if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled)
+ return -1;
+
+ return p2p_prov_disc_req(wpa_s->global->p2p, peer_addr,
+ config_methods, 0);
+}
+
+
+int wpas_p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
+ char *end)
+{
+ return p2p_scan_result_text(ies, ies_len, buf, end);
+}
+
+
+static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant *wpa_s)
+{
+ if (!wpa_s->pending_action_tx)
+ return;
+
+ wpa_printf(MSG_DEBUG, "P2P: Drop pending Action TX due to new "
+ "operation request");
+ wpabuf_free(wpa_s->pending_action_tx);
+ wpa_s->pending_action_tx = NULL;
+}
+
+
+int wpas_p2p_find(struct wpa_supplicant *wpa_s, unsigned int timeout,
+ enum p2p_discovery_type type,
+ unsigned int num_req_dev_types, const u8 *req_dev_types)
+{
+ wpas_p2p_clear_pending_action_tx(wpa_s);
+ wpa_s->p2p_long_listen = 0;
+
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
+ return wpa_drv_p2p_find(wpa_s, timeout, type);
+
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return -1;
+
+ return p2p_find(wpa_s->global->p2p, timeout, type,
+ num_req_dev_types, req_dev_types);
+}
+
+
+void wpas_p2p_stop_find(struct wpa_supplicant *wpa_s)
+{
+ wpas_p2p_clear_pending_action_tx(wpa_s);
+ wpa_s->p2p_long_listen = 0;
+ eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
+ eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
+
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
+ wpa_drv_p2p_stop_find(wpa_s);
+ return;
+ }
+
+ if (wpa_s->global->p2p)
+ p2p_stop_find(wpa_s->global->p2p);
+
+ wpas_p2p_remove_pending_group_interface(wpa_s);
+}
+
+
+static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ wpa_s->p2p_long_listen = 0;
+}
+
+
+int wpas_p2p_listen(struct wpa_supplicant *wpa_s, unsigned int timeout)
+{
+ int res;
+
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return -1;
+
+ wpas_p2p_clear_pending_action_tx(wpa_s);
+
+ if (timeout == 0) {
+ /*
+ * This is a request for unlimited Listen state. However, at
+ * least for now, this is mapped to a Listen state for one
+ * hour.
+ */
+ timeout = 3600;
+ }
+ eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
+ wpa_s->p2p_long_listen = 0;
+
+ res = wpas_p2p_listen_start(wpa_s, timeout * 1000);
+ if (res == 0 && timeout * 1000 > wpa_s->max_remain_on_chan) {
+ wpa_s->p2p_long_listen = timeout * 1000;
+ eloop_register_timeout(timeout, 0,
+ wpas_p2p_long_listen_timeout,
+ wpa_s, NULL);
+ }
+
+ return res;
+}
+
+
+int wpas_p2p_assoc_req_ie(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
+ u8 *buf, size_t len, int p2p_group)
+{
+ struct wpabuf *p2p_ie;
+ int ret;
+
+ if (wpa_s->global->p2p_disabled)
+ return -1;
+ if (wpa_s->global->p2p == NULL)
+ return -1;
+ if (bss == NULL)
+ return -1;
+
+ p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
+ ret = p2p_assoc_req_ie(wpa_s->global->p2p, bss->bssid, buf, len,
+ p2p_group, p2p_ie);
+ wpabuf_free(p2p_ie);
+
+ return ret;
+}
+
+
+int wpas_p2p_probe_req_rx(struct wpa_supplicant *wpa_s, const u8 *addr,
+ const u8 *ie, size_t ie_len)
+{
+ if (wpa_s->global->p2p_disabled)
+ return 0;
+ if (wpa_s->global->p2p == NULL)
+ return 0;
+
+ return p2p_probe_req_rx(wpa_s->global->p2p, addr, ie, ie_len);
+}
+
+
+void wpas_p2p_rx_action(struct wpa_supplicant *wpa_s, const u8 *da,
+ const u8 *sa, const u8 *bssid,
+ u8 category, const u8 *data, size_t len, int freq)
+{
+ if (wpa_s->global->p2p_disabled)
+ return;
+ if (wpa_s->global->p2p == NULL)
+ return;
+
+ p2p_rx_action(wpa_s->global->p2p, da, sa, bssid, category, data, len,
+ freq);
+}
+
+
+void wpas_p2p_scan_ie(struct wpa_supplicant *wpa_s, struct wpabuf *ies)
+{
+ if (wpa_s->global->p2p_disabled)
+ return;
+ if (wpa_s->global->p2p == NULL)
+ return;
+
+ p2p_scan_ie(wpa_s->global->p2p, ies);
+}
+
+
+void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s)
+{
+ p2p_group_deinit(wpa_s->p2p_group);
+ wpa_s->p2p_group = NULL;
+}
+
+
+int wpas_p2p_reject(struct wpa_supplicant *wpa_s, const u8 *addr)
+{
+ wpa_s->p2p_long_listen = 0;
+
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
+ return wpa_drv_p2p_reject(wpa_s, addr);
+
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return -1;
+
+ return p2p_reject(wpa_s->global->p2p, addr);
+}
+
+
+/* Invite to reinvoke a persistent group */
+int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
+ struct wpa_ssid *ssid, const u8 *go_dev_addr)
+{
+ enum p2p_invite_role role;
+ u8 *bssid = NULL;
+
+ if (ssid->mode == WPAS_MODE_P2P_GO) {
+ role = P2P_INVITE_ROLE_GO;
+ if (peer_addr == NULL) {
+ wpa_printf(MSG_DEBUG, "P2P: Missing peer "
+ "address in invitation command");
+ return -1;
+ }
+ if (wpas_p2p_create_iface(wpa_s)) {
+ if (wpas_p2p_add_group_interface(wpa_s,
+ WPA_IF_P2P_GO) < 0) {
+ wpa_printf(MSG_ERROR, "P2P: Failed to "
+ "allocate a new interface for the "
+ "group");
+ return -1;
+ }
+ bssid = wpa_s->pending_interface_addr;
+ } else
+ bssid = wpa_s->own_addr;
+ } else {
+ role = P2P_INVITE_ROLE_CLIENT;
+ peer_addr = ssid->bssid;
+ }
+ wpa_s->pending_invite_ssid_id = ssid->id;
+
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
+ return wpa_drv_p2p_invite(wpa_s, peer_addr, role, bssid,
+ ssid->ssid, ssid->ssid_len,
+ go_dev_addr, 1);
+
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return -1;
+
+ return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
+ ssid->ssid, ssid->ssid_len, 0, go_dev_addr, 1);
+}
+
+
+/* Invite to join an active group */
+int wpas_p2p_invite_group(struct wpa_supplicant *wpa_s, const char *ifname,
+ const u8 *peer_addr, const u8 *go_dev_addr)
+{
+ struct wpa_global *global = wpa_s->global;
+ enum p2p_invite_role role;
+ u8 *bssid = NULL;
+ struct wpa_ssid *ssid;
+
+ for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
+ if (os_strcmp(wpa_s->ifname, ifname) == 0)
+ break;
+ }
+ if (wpa_s == NULL) {
+ wpa_printf(MSG_DEBUG, "P2P: Interface '%s' not found", ifname);
+ return -1;
+ }
+
+ ssid = wpa_s->current_ssid;
+ if (ssid == NULL) {
+ wpa_printf(MSG_DEBUG, "P2P: No current SSID to use for "
+ "invitation");
+ return -1;
+ }
+
+ if (ssid->mode == WPAS_MODE_P2P_GO) {
+ role = P2P_INVITE_ROLE_ACTIVE_GO;
+ bssid = wpa_s->own_addr;
+ if (go_dev_addr == NULL)
+ go_dev_addr = wpa_s->parent->own_addr;
+ } else {
+ role = P2P_INVITE_ROLE_CLIENT;
+ if (wpa_s->wpa_state < WPA_ASSOCIATED) {
+ wpa_printf(MSG_DEBUG, "P2P: Not associated - cannot "
+ "invite to current group");
+ return -1;
+ }
+ bssid = wpa_s->bssid;
+ if (go_dev_addr == NULL &&
+ !is_zero_ether_addr(wpa_s->go_dev_addr))
+ go_dev_addr = wpa_s->go_dev_addr;
+ }
+ wpa_s->parent->pending_invite_ssid_id = -1;
+
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
+ return wpa_drv_p2p_invite(wpa_s, peer_addr, role, bssid,
+ ssid->ssid, ssid->ssid_len,
+ go_dev_addr, 0);
+
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return -1;
+
+ return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
+ ssid->ssid, ssid->ssid_len, wpa_s->assoc_freq,
+ go_dev_addr, 0);
+}
+
+
+void wpas_p2p_completed(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_ssid *ssid = wpa_s->current_ssid;
+ const char *ssid_txt;
+ u8 go_dev_addr[ETH_ALEN];
+ int persistent;
+
+ if (!wpa_s->show_group_started || !ssid)
+ return;
+
+ wpa_s->show_group_started = 0;
+
+ ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len);
+ os_memset(go_dev_addr, 0, ETH_ALEN);
+ if (ssid->bssid_set)
+ os_memcpy(go_dev_addr, ssid->bssid, ETH_ALEN);
+ persistent = wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid,
+ ssid->ssid_len);
+ os_memcpy(wpa_s->go_dev_addr, go_dev_addr, ETH_ALEN);
+
+ if (wpa_s->global->p2p_group_formation == wpa_s)
+ wpa_s->global->p2p_group_formation = NULL;
+
+ if (ssid->passphrase == NULL && ssid->psk_set) {
+ char psk[65];
+ wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32);
+ wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
+ "%s client ssid=\"%s\" freq=%d psk=%s go_dev_addr="
+ MACSTR "%s",
+ wpa_s->ifname, ssid_txt, ssid->frequency, psk,
+ MAC2STR(go_dev_addr),
+ persistent ? " [PERSISTENT]" : "");
+ } else {
+ wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
+ "%s client ssid=\"%s\" freq=%d passphrase=\"%s\" "
+ "go_dev_addr=" MACSTR "%s",
+ wpa_s->ifname, ssid_txt, ssid->frequency,
+ ssid->passphrase ? ssid->passphrase : "",
+ MAC2STR(go_dev_addr),
+ persistent ? " [PERSISTENT]" : "");
+ }
+
+ if (persistent)
+ wpas_p2p_store_persistent_group(wpa_s->parent, ssid,
+ go_dev_addr);
+}
+
+
+int wpas_p2p_presence_req(struct wpa_supplicant *wpa_s, u32 duration1,
+ u32 interval1, u32 duration2, u32 interval2)
+{
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
+ return -1;
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return -1;
+
+ if (wpa_s->wpa_state < WPA_ASSOCIATED ||
+ wpa_s->current_ssid == NULL ||
+ wpa_s->current_ssid->mode != WPAS_MODE_INFRA)
+ return -1;
+
+ return p2p_presence_req(wpa_s->global->p2p, wpa_s->bssid,
+ wpa_s->own_addr, wpa_s->assoc_freq,
+ duration1, interval1, duration2, interval2);
+}
+
+
+int wpas_p2p_ext_listen(struct wpa_supplicant *wpa_s, unsigned int period,
+ unsigned int interval)
+{
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
+ return -1;
+
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return -1;
+
+ return p2p_ext_listen(wpa_s->global->p2p, period, interval);
+}
+
+
+static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+
+ if (wpa_s->conf->p2p_group_idle == 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Ignore group idle timeout - "
+ "disabled");
+ return;
+ }
+
+ wpa_printf(MSG_DEBUG, "P2P: Group idle timeout reached - terminate "
+ "group");
+ wpa_s->removal_reason = P2P_GROUP_REMOVAL_IDLE_TIMEOUT;
+ wpas_p2p_group_delete(wpa_s);
+}
+
+
+static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s)
+{
+ eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
+ if (wpa_s->conf->p2p_group_idle == 0)
+ return;
+
+ if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group)
+ return;
+
+ wpa_printf(MSG_DEBUG, "P2P: Set P2P group idle timeout to %u seconds",
+ wpa_s->conf->p2p_group_idle);
+ eloop_register_timeout(wpa_s->conf->p2p_group_idle, 0,
+ wpas_p2p_group_idle_timeout, wpa_s, NULL);
+}
+
+
+void wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
+ u16 reason_code, const u8 *ie, size_t ie_len)
+{
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return;
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
+ return;
+
+ p2p_deauth_notif(wpa_s->global->p2p, bssid, reason_code, ie, ie_len);
+}
+
+
+void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
+ u16 reason_code, const u8 *ie, size_t ie_len)
+{
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return;
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
+ return;
+
+ p2p_disassoc_notif(wpa_s->global->p2p, bssid, reason_code, ie, ie_len);
+}
+
+
+void wpas_p2p_update_config(struct wpa_supplicant *wpa_s)
+{
+ struct p2p_data *p2p = wpa_s->global->p2p;
+
+ if (p2p == NULL)
+ return;
+
+ if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
+ return;
+
+ if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_NAME)
+ p2p_set_dev_name(p2p, wpa_s->conf->device_name);
+
+ if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE)
+ p2p_set_pri_dev_type(p2p, wpa_s->conf->device_type);
+
+ if (wpa_s->wps &&
+ (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS))
+ p2p_set_config_methods(p2p, wpa_s->wps->config_methods);
+
+ if (wpa_s->wps && (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID))
+ p2p_set_uuid(p2p, wpa_s->wps->uuid);
+
+ if (wpa_s->conf->changed_parameters & CFG_CHANGED_WPS_STRING) {
+ p2p_set_manufacturer(p2p, wpa_s->conf->manufacturer);
+ p2p_set_model_name(p2p, wpa_s->conf->model_name);
+ p2p_set_model_number(p2p, wpa_s->conf->model_number);
+ p2p_set_serial_number(p2p, wpa_s->conf->serial_number);
+ }
+
+ if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE)
+ p2p_set_sec_dev_types(p2p,
+ (void *) wpa_s->conf->sec_device_type,
+ wpa_s->conf->num_sec_device_types);
+
+ if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) {
+ int i;
+ p2p_remove_wps_vendor_extensions(p2p);
+ for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) {
+ if (wpa_s->conf->wps_vendor_ext[i] == NULL)
+ continue;
+ p2p_add_wps_vendor_extension(
+ p2p, wpa_s->conf->wps_vendor_ext[i]);
+ }
+ }
+
+ if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) &&
+ wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
+ char country[3];
+ country[0] = wpa_s->conf->country[0];
+ country[1] = wpa_s->conf->country[1];
+ country[2] = 0x04;
+ p2p_set_country(p2p, country);
+ }
+
+ if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_SSID_POSTFIX) {
+ p2p_set_ssid_postfix(p2p, (u8 *) wpa_s->conf->p2p_ssid_postfix,
+ wpa_s->conf->p2p_ssid_postfix ?
+ os_strlen(wpa_s->conf->p2p_ssid_postfix) :
+ 0);
+ }
+
+ if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_INTRA_BSS)
+ p2p_set_intra_bss_dist(p2p, wpa_s->conf->p2p_intra_bss);
+}
+
+
+int wpas_p2p_set_noa(struct wpa_supplicant *wpa_s, u8 count, int start,
+ int duration)
+{
+ if (!wpa_s->ap_iface)
+ return -1;
+ return hostapd_p2p_set_noa(wpa_s->ap_iface->bss[0], count, start,
+ duration);
+}
+
+
+int wpas_p2p_set_cross_connect(struct wpa_supplicant *wpa_s, int enabled)
+{
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return -1;
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
+ return -1;
+
+ wpa_s->global->cross_connection = enabled;
+ p2p_set_cross_connect(wpa_s->global->p2p, enabled);
+
+ if (!enabled) {
+ struct wpa_supplicant *iface;
+
+ for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
+ {
+ if (iface->cross_connect_enabled == 0)
+ continue;
+
+ iface->cross_connect_enabled = 0;
+ iface->cross_connect_in_use = 0;
+ wpa_msg(iface->parent, MSG_INFO,
+ P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
+ iface->ifname, iface->cross_connect_uplink);
+ }
+ }
+
+ return 0;
+}
+
+
+static void wpas_p2p_enable_cross_connect(struct wpa_supplicant *uplink)
+{
+ struct wpa_supplicant *iface;
+
+ if (!uplink->global->cross_connection)
+ return;
+
+ for (iface = uplink->global->ifaces; iface; iface = iface->next) {
+ if (!iface->cross_connect_enabled)
+ continue;
+ if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
+ 0)
+ continue;
+ if (iface->ap_iface == NULL)
+ continue;
+ if (iface->cross_connect_in_use)
+ continue;
+
+ iface->cross_connect_in_use = 1;
+ wpa_msg(iface->parent, MSG_INFO,
+ P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
+ iface->ifname, iface->cross_connect_uplink);
+ }
+}
+
+
+static void wpas_p2p_disable_cross_connect(struct wpa_supplicant *uplink)
+{
+ struct wpa_supplicant *iface;
+
+ for (iface = uplink->global->ifaces; iface; iface = iface->next) {
+ if (!iface->cross_connect_enabled)
+ continue;
+ if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
+ 0)
+ continue;
+ if (!iface->cross_connect_in_use)
+ continue;
+
+ wpa_msg(iface->parent, MSG_INFO,
+ P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
+ iface->ifname, iface->cross_connect_uplink);
+ iface->cross_connect_in_use = 0;
+ }
+}
+
+
+void wpas_p2p_notif_connected(struct wpa_supplicant *wpa_s)
+{
+ if (wpa_s->ap_iface || wpa_s->current_ssid == NULL ||
+ wpa_s->current_ssid->mode != WPAS_MODE_INFRA ||
+ wpa_s->cross_connect_disallowed)
+ wpas_p2p_disable_cross_connect(wpa_s);
+ else
+ wpas_p2p_enable_cross_connect(wpa_s);
+ if (!wpa_s->ap_iface)
+ eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
+}
+
+
+void wpas_p2p_notif_disconnected(struct wpa_supplicant *wpa_s)
+{
+ wpas_p2p_disable_cross_connect(wpa_s);
+ if (!wpa_s->ap_iface)
+ wpas_p2p_set_group_idle_timeout(wpa_s);
+}
+
+
+static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_supplicant *iface;
+
+ if (!wpa_s->global->cross_connection)
+ return;
+
+ for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
+ if (iface == wpa_s)
+ continue;
+ if (iface->drv_flags &
+ WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)
+ continue;
+ if (iface->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE)
+ continue;
+
+ wpa_s->cross_connect_enabled = 1;
+ os_strlcpy(wpa_s->cross_connect_uplink, iface->ifname,
+ sizeof(wpa_s->cross_connect_uplink));
+ wpa_printf(MSG_DEBUG, "P2P: Enable cross connection from "
+ "%s to %s whenever uplink is available",
+ wpa_s->ifname, wpa_s->cross_connect_uplink);
+
+ if (iface->ap_iface || iface->current_ssid == NULL ||
+ iface->current_ssid->mode != WPAS_MODE_INFRA ||
+ iface->cross_connect_disallowed ||
+ iface->wpa_state != WPA_COMPLETED)
+ break;
+
+ wpa_s->cross_connect_in_use = 1;
+ wpa_msg(wpa_s->parent, MSG_INFO,
+ P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
+ wpa_s->ifname, wpa_s->cross_connect_uplink);
+ break;
+ }
+}
+
+
+int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant *wpa_s)
+{
+ if (wpa_s->p2p_group_interface != P2P_GROUP_INTERFACE_CLIENT &&
+ !wpa_s->p2p_in_provisioning)
+ return 0; /* not P2P client operation */
+
+ wpa_printf(MSG_DEBUG, "P2P: Terminate connection due to WPS PBC "
+ "session overlap");
+ if (wpa_s != wpa_s->parent)
+ wpa_msg_ctrl(wpa_s->parent, MSG_INFO, WPS_EVENT_OVERLAP);
+
+ if (wpa_s->global->p2p)
+ p2p_group_formation_failed(wpa_s->global->p2p);
+
+ eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
+ wpa_s->parent, NULL);
+
+ wpas_group_formation_completed(wpa_s, 0);
+ return 1;
+}
+
+
+void wpas_p2p_update_channel_list(struct wpa_supplicant *wpa_s)
+{
+ struct p2p_channels chan;
+
+ if (wpa_s->global == NULL || wpa_s->global->p2p == NULL)
+ return;
+
+ os_memset(&chan, 0, sizeof(chan));
+ if (wpas_p2p_setup_channels(wpa_s, &chan)) {
+ wpa_printf(MSG_ERROR, "P2P: Failed to update supported "
+ "channel list");
+ return;
+ }
+
+ p2p_update_channel_list(wpa_s->global->p2p, &chan);
+}
+
+
+int wpas_p2p_cancel(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_global *global = wpa_s->global;
+ int found = 0;
+ const u8 *peer;
+
+ if (global->p2p == NULL)
+ return -1;
+
+ wpa_printf(MSG_DEBUG, "P2P: Request to cancel group formation");
+
+ if (wpa_s->pending_interface_name[0] &&
+ !is_zero_ether_addr(wpa_s->pending_interface_addr))
+ found = 1;
+
+ peer = p2p_get_go_neg_peer(global->p2p);
+ if (peer) {
+ wpa_printf(MSG_DEBUG, "P2P: Unauthorize pending GO Neg peer "
+ MACSTR, MAC2STR(peer));
+ p2p_unauthorize(global->p2p, peer);
+ }
+
+ wpas_p2p_stop_find(wpa_s);
+
+ for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
+ if (wpa_s == global->p2p_group_formation &&
+ (wpa_s->p2p_in_provisioning ||
+ wpa_s->parent->pending_interface_type ==
+ WPA_IF_P2P_CLIENT)) {
+ wpa_printf(MSG_DEBUG, "P2P: Interface %s in group "
+ "formation found - cancelling",
+ wpa_s->ifname);
+ found = 1;
+ eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
+ wpa_s->parent, NULL);
+ wpas_p2p_group_delete(wpa_s);
+ break;
+ }
+ }
+
+ if (!found) {
+ wpa_printf(MSG_DEBUG, "P2P: No ongoing group formation found");
+ return -1;
+ }
+
+ return 0;
+}
+
+
+void wpas_p2p_interface_unavailable(struct wpa_supplicant *wpa_s)
+{
+ if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group)
+ return;
+
+ wpa_printf(MSG_DEBUG, "P2P: Remove group due to driver resource not "
+ "being available anymore");
+ wpa_s->removal_reason = P2P_GROUP_REMOVAL_UNAVAILABLE;
+ wpas_p2p_group_delete(wpa_s);
+}
+
+
+void wpas_p2p_update_best_channels(struct wpa_supplicant *wpa_s,
+ int freq_24, int freq_5, int freq_overall)
+{
+ struct p2p_data *p2p = wpa_s->global->p2p;
+ if (p2p == NULL || (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT))
+ return;
+ p2p_set_best_channels(p2p, freq_24, freq_5, freq_overall);
+}
+
+
+int wpas_p2p_unauthorize(struct wpa_supplicant *wpa_s, const char *addr)
+{
+ u8 peer[ETH_ALEN];
+ struct p2p_data *p2p = wpa_s->global->p2p;
+
+ if (p2p == NULL || (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT))
+ return -1;
+
+ if (hwaddr_aton(addr, peer))
+ return -1;
+
+ return p2p_unauthorize(p2p, peer);
+}
+
+
+/**
+ * wpas_p2p_disconnect - Disconnect from a P2P Group
+ * @wpa_s: Pointer to wpa_supplicant data
+ * Returns: 0 on success, -1 on failure
+ *
+ * This can be used to disconnect from a group in which the local end is a P2P
+ * Client or to end a P2P Group in case the local end is the Group Owner. If a
+ * virtual network interface was created for this group, that interface will be
+ * removed. Otherwise, only the configured P2P group network will be removed
+ * from the interface.
+ */
+int wpas_p2p_disconnect(struct wpa_supplicant *wpa_s)
+{
+
+ if (wpa_s == NULL)
+ return -1;
+
+ wpa_s->removal_reason = P2P_GROUP_REMOVAL_REQUESTED;
+ wpas_p2p_group_delete(wpa_s);
+
+ return 0;
+}