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wlantest: Add preliminary infrastructure for injecting frames
[thirdparty/hostap.git] / wpa_supplicant / p2p_supplicant.c
CommitLineData
b22128ef
JM		 1/*
2 * wpa_supplicant - P2P
3 * Copyright (c) 2009-2010, Atheros Communications
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * Alternatively, this software may be distributed under the terms of BSD
10 * license.
11 *
12 * See README and COPYING for more details.
13 */
14
15#include "includes.h"
16
17#include "common.h"
18#include "eloop.h"
19#include "common/ieee802_11_common.h"
20#include "common/ieee802_11_defs.h"
21#include "common/wpa_ctrl.h"
22#include "wps/wps_i.h"
23#include "p2p/p2p.h"
24#include "ap/hostapd.h"
aefb53bd 25#include "ap/p2p_hostapd.h"
b22128ef
JM		 26#include "wpa_supplicant_i.h"
27#include "driver_i.h"
28#include "ap.h"
29#include "config_ssid.h"
30#include "config.h"
31#include "mlme.h"
32#include "notify.h"
33#include "scan.h"
34#include "bss.h"
35#include "wps_supplicant.h"
36#include "p2p_supplicant.h"
37
38
9b1ab931
JM		 39/*
40 * How many times to try to scan to find the GO before giving up on join
41 * request.
42 */
43#define P2P_MAX_JOIN_SCAN_ATTEMPTS 10
44
45
b22128ef
JM		 46static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx);
47static struct wpa_supplicant *
48wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
49 int go);
50static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s);
ef922c4a 51static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx);
108def93
JM		 52static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr,
53 const u8 *dev_addr, enum p2p_wps_method wps_method);
b22128ef 54static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s);
72044390 55static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s);
3071e181
JM		 56static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx);
57static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s);
b22128ef
JM		 58
59
60static void wpas_p2p_scan_res_handler(struct wpa_supplicant *wpa_s,
61 struct wpa_scan_results *scan_res)
62{
63 size_t i;
64
65 if (wpa_s->global->p2p_disabled)
66 return;
67
68 wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS)",
69 (int) scan_res->num);
70
71 for (i = 0; i < scan_res->num; i++) {
72 struct wpa_scan_res *bss = scan_res->res[i];
73 if (p2p_scan_res_handler(wpa_s->global->p2p, bss->bssid,
74 bss->freq, bss->level,
75 (const u8 *) (bss + 1),
76 bss->ie_len) > 0)
9bcf9541 77 break;
b22128ef
JM		 78 }
79
80 p2p_scan_res_handled(wpa_s->global->p2p);
81}
82
83
84static int wpas_p2p_scan(void *ctx, enum p2p_scan_type type, int freq)
85{
86 struct wpa_supplicant *wpa_s = ctx;
87 struct wpa_driver_scan_params params;
88 int ret;
89 struct wpabuf *wps_ie, *ies;
90 int social_channels[] = { 2412, 2437, 2462, 0, 0 };
91
92 os_memset(&params, 0, sizeof(params));
93
94 /* P2P Wildcard SSID */
95 params.num_ssids = 1;
96 params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID;
97 params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN;
98
99 wpa_s->wps->dev.p2p = 1;
100 wps_ie = wps_build_probe_req_ie(0, &wpa_s->wps->dev, wpa_s->wps->uuid,
101 WPS_REQ_ENROLLEE);
102 if (wps_ie == NULL)
103 return -1;
104
105 ies = wpabuf_alloc(wpabuf_len(wps_ie) + 100);
106 if (ies == NULL) {
107 wpabuf_free(wps_ie);
108 return -1;
109 }
110 wpabuf_put_buf(ies, wps_ie);
111 wpabuf_free(wps_ie);
112
113 p2p_scan_ie(wpa_s->global->p2p, ies);
114
115 params.extra_ies = wpabuf_head(ies);
116 params.extra_ies_len = wpabuf_len(ies);
117
118 switch (type) {
119 case P2P_SCAN_SOCIAL:
120 params.freqs = social_channels;
121 break;
122 case P2P_SCAN_FULL:
123 break;
124 case P2P_SCAN_SPECIFIC:
125 social_channels[0] = freq;
126 social_channels[1] = 0;
127 params.freqs = social_channels;
128 break;
129 case P2P_SCAN_SOCIAL_PLUS_ONE:
130 social_channels[3] = freq;
131 params.freqs = social_channels;
132 break;
133 }
134
135 wpa_s->scan_res_handler = wpas_p2p_scan_res_handler;
136 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
137 ret = ieee80211_sta_req_scan(wpa_s, &params);
138 else
139 ret = wpa_drv_scan(wpa_s, &params);
140
141 wpabuf_free(ies);
142
143 return ret;
144}
145
146
147#ifdef CONFIG_CLIENT_MLME
148static void p2p_rx_action_mlme(void *ctx, const u8 *buf, size_t len, int freq)
149{
150 struct wpa_supplicant *wpa_s = ctx;
151 const struct ieee80211_mgmt *mgmt;
152 size_t hdr_len;
153
154 if (wpa_s->global->p2p_disabled)
155 return;
156 mgmt = (const struct ieee80211_mgmt *) buf;
157 hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
158 if (hdr_len > len)
159 return;
160 p2p_rx_action(wpa_s->global->p2p, mgmt->da, mgmt->sa, mgmt->bssid,
161 mgmt->u.action.category,
162 &mgmt->u.action.u.vs_public_action.action,
163 len - hdr_len, freq);
164}
165#endif /* CONFIG_CLIENT_MLME */
166
167
168static enum wpa_driver_if_type wpas_p2p_if_type(int p2p_group_interface)
169{
170 switch (p2p_group_interface) {
171 case P2P_GROUP_INTERFACE_PENDING:
172 return WPA_IF_P2P_GROUP;
173 case P2P_GROUP_INTERFACE_GO:
174 return WPA_IF_P2P_GO;
175 case P2P_GROUP_INTERFACE_CLIENT:
176 return WPA_IF_P2P_CLIENT;
177 }
178
179 return WPA_IF_P2P_GROUP;
180}
181
182
183static void wpas_p2p_group_delete(struct wpa_supplicant *wpa_s)
184{
185 struct wpa_ssid *ssid;
186 char *gtype;
3071e181
JM		 187 const char *reason;
188
189 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
b22128ef
JM		 190
191 ssid = wpa_s->current_ssid;
192 if (ssid == NULL) {
193 /*
194 * The current SSID was not known, but there may still be a
195 * pending P2P group interface waiting for provisioning.
196 */
197 ssid = wpa_s->conf->ssid;
198 while (ssid) {
199 if (ssid->p2p_group &&
200 (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION ||
201 (ssid->key_mgmt & WPA_KEY_MGMT_WPS)))
202 break;
203 ssid = ssid->next;
204 }
205 }
206 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO)
207 gtype = "GO";
208 else if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT ||
209 (ssid && ssid->mode == WPAS_MODE_INFRA)) {
210 wpa_s->reassociate = 0;
211 wpa_s->disconnected = 1;
212 wpa_supplicant_deauthenticate(wpa_s,
213 WLAN_REASON_DEAUTH_LEAVING);
214 gtype = "client";
215 } else
216 gtype = "GO";
72044390
JM		 217 if (wpa_s->cross_connect_in_use) {
218 wpa_s->cross_connect_in_use = 0;
219 wpa_msg(wpa_s->parent, MSG_INFO,
220 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
221 wpa_s->ifname, wpa_s->cross_connect_uplink);
222 }
3071e181
JM		 223 switch (wpa_s->removal_reason) {
224 case P2P_GROUP_REMOVAL_REQUESTED:
225 reason = " reason=REQUESTED";
226 break;
227 case P2P_GROUP_REMOVAL_IDLE_TIMEOUT:
228 reason = " reason=IDLE";
229 break;
c973f386
JM		 230 case P2P_GROUP_REMOVAL_UNAVAILABLE:
231 reason = " reason=UNAVAILABLE";
232 break;
3071e181
JM		 233 default:
234 reason = "";
235 break;
236 }
237 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_REMOVED "%s %s%s",
238 wpa_s->ifname, gtype, reason);
b22128ef
JM		 239 if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) {
240 struct wpa_global *global;
241 char *ifname;
242 enum wpa_driver_if_type type;
243 wpa_printf(MSG_DEBUG, "P2P: Remove group interface %s",
244 wpa_s->ifname);
245 global = wpa_s->global;
246 ifname = os_strdup(wpa_s->ifname);
247 type = wpas_p2p_if_type(wpa_s->p2p_group_interface);
248 wpa_supplicant_remove_iface(wpa_s->global, wpa_s);
249 wpa_s = global->ifaces;
250 if (wpa_s && ifname)
251 wpa_drv_if_remove(wpa_s, type, ifname);
252 os_free(ifname);
253 return;
254 }
255
256 wpa_printf(MSG_DEBUG, "P2P: Remove temporary group network");
257 if (ssid && (ssid->p2p_group ||
258 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION ||
259 (ssid->key_mgmt & WPA_KEY_MGMT_WPS))) {
260 int id = ssid->id;
261 if (ssid == wpa_s->current_ssid)
262 wpa_s->current_ssid = NULL;
263 wpas_notify_network_removed(wpa_s, ssid);
264 wpa_config_remove_network(wpa_s->conf, id);
265 wpa_supplicant_clear_status(wpa_s);
266 } else {
267 wpa_printf(MSG_DEBUG, "P2P: Temporary group network not "
268 "found");
269 }
270 wpa_supplicant_ap_deinit(wpa_s);
271}
272
273
274static int wpas_p2p_persistent_group(struct wpa_supplicant *wpa_s,
275 u8 *go_dev_addr,
276 const u8 *ssid, size_t ssid_len)
277{
278 struct wpa_bss *bss;
279 const u8 *bssid;
280 struct wpabuf *p2p;
281 u8 group_capab;
282 const u8 *addr;
283
284 if (wpa_s->go_params)
285 bssid = wpa_s->go_params->peer_interface_addr;
286 else
287 bssid = wpa_s->bssid;
288
289 bss = wpa_bss_get(wpa_s, bssid, ssid, ssid_len);
290 if (bss == NULL) {
291 u8 iface_addr[ETH_ALEN];
292 if (p2p_get_interface_addr(wpa_s->global->p2p, bssid,
293 iface_addr) == 0)
294 bss = wpa_bss_get(wpa_s, iface_addr, ssid, ssid_len);
295 }
296 if (bss == NULL) {
297 wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether "
298 "group is persistent - BSS " MACSTR " not found",
299 MAC2STR(bssid));
300 return 0;
301 }
302
303 p2p = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
304 if (p2p == NULL) {
305 wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether "
306 "group is persistent - BSS " MACSTR
307 " did not include P2P IE", MAC2STR(bssid));
308 wpa_hexdump(MSG_DEBUG, "P2P: Probe Response IEs",
309 (u8 *) (bss + 1), bss->ie_len);
310 wpa_hexdump(MSG_DEBUG, "P2P: Beacon IEs",
311 ((u8 *) bss + 1) + bss->ie_len,
312 bss->beacon_ie_len);
313 return 0;
314 }
315
316 group_capab = p2p_get_group_capab(p2p);
317 addr = p2p_get_go_dev_addr(p2p);
318 wpa_printf(MSG_DEBUG, "P2P: Checking whether group is persistent: "
319 "group_capab=0x%x", group_capab);
320 if (addr) {
321 os_memcpy(go_dev_addr, addr, ETH_ALEN);
322 wpa_printf(MSG_DEBUG, "P2P: GO Device Address " MACSTR,
323 MAC2STR(addr));
324 } else
325 os_memset(go_dev_addr, 0, ETH_ALEN);
326 wpabuf_free(p2p);
327
328 wpa_printf(MSG_DEBUG, "P2P: BSS " MACSTR " group_capab=0x%x "
329 "go_dev_addr=" MACSTR,
330 MAC2STR(bssid), group_capab, MAC2STR(go_dev_addr));
331
332 return group_capab & P2P_GROUP_CAPAB_PERSISTENT_GROUP;
333}
334
335
336static void wpas_p2p_store_persistent_group(struct wpa_supplicant *wpa_s,
337 struct wpa_ssid *ssid,
338 const u8 *go_dev_addr)
339{
340 struct wpa_ssid *s;
341 int changed = 0;
342
343 wpa_printf(MSG_DEBUG, "P2P: Storing credentials for a persistent "
344 "group (GO Dev Addr " MACSTR ")", MAC2STR(go_dev_addr));
345 for (s = wpa_s->conf->ssid; s; s = s->next) {
346 if (s->disabled == 2 &&
347 os_memcmp(go_dev_addr, s->bssid, ETH_ALEN) == 0 &&
348 s->ssid_len == ssid->ssid_len &&
349 os_memcmp(ssid->ssid, s->ssid, ssid->ssid_len) == 0)
350 break;
351 }
352
353 if (s) {
354 wpa_printf(MSG_DEBUG, "P2P: Update existing persistent group "
355 "entry");
356 if (ssid->passphrase && !s->passphrase)
357 changed = 1;
358 else if (ssid->passphrase && s->passphrase &&
359 os_strcmp(ssid->passphrase, s->passphrase) != 0)
360 changed = 1;
361 } else {
362 wpa_printf(MSG_DEBUG, "P2P: Create a new persistent group "
363 "entry");
364 changed = 1;
365 s = wpa_config_add_network(wpa_s->conf);
366 if (s == NULL)
367 return;
368 wpa_config_set_network_defaults(s);
369 }
370
371 s->p2p_group = 1;
372 s->p2p_persistent_group = 1;
373 s->disabled = 2;
374 s->bssid_set = 1;
375 os_memcpy(s->bssid, go_dev_addr, ETH_ALEN);
376 s->mode = ssid->mode;
377 s->auth_alg = WPA_AUTH_ALG_OPEN;
378 s->key_mgmt = WPA_KEY_MGMT_PSK;
379 s->proto = WPA_PROTO_RSN;
380 s->pairwise_cipher = WPA_CIPHER_CCMP;
381 if (ssid->passphrase) {
382 os_free(s->passphrase);
383 s->passphrase = os_strdup(ssid->passphrase);
384 }
385 if (ssid->psk_set) {
386 s->psk_set = 1;
387 os_memcpy(s->psk, ssid->psk, 32);
388 }
389 if (s->passphrase && !s->psk_set)
390 wpa_config_update_psk(s);
391 if (s->ssid == NULL || s->ssid_len < ssid->ssid_len) {
392 os_free(s->ssid);
393 s->ssid = os_malloc(ssid->ssid_len);
394 }
395 if (s->ssid) {
396 s->ssid_len = ssid->ssid_len;
397 os_memcpy(s->ssid, ssid->ssid, s->ssid_len);
398 }
399
400#ifndef CONFIG_NO_CONFIG_WRITE
401 if (changed && wpa_s->conf->update_config &&
402 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
403 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
404 }
405#endif /* CONFIG_NO_CONFIG_WRITE */
406}
407
408
409static void wpas_group_formation_completed(struct wpa_supplicant *wpa_s,
410 int success)
411{
412 struct wpa_ssid *ssid;
413 const char *ssid_txt;
414 int client;
415 int persistent;
416 u8 go_dev_addr[ETH_ALEN];
417
418 /*
419 * This callback is likely called for the main interface. Update wpa_s
420 * to use the group interface if a new interface was created for the
421 * group.
422 */
423 if (wpa_s->global->p2p_group_formation)
424 wpa_s = wpa_s->global->p2p_group_formation;
d1b024c9 425 wpa_s->global->p2p_group_formation = NULL;
b22128ef
JM		 426 wpa_s->p2p_in_provisioning = 0;
427
428 if (!success) {
429 wpa_msg(wpa_s->parent, MSG_INFO,
430 P2P_EVENT_GROUP_FORMATION_FAILURE);
431 wpas_p2p_group_delete(wpa_s);
432 return;
433 }
434
435 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_FORMATION_SUCCESS);
436
437 ssid = wpa_s->current_ssid;
438 if (ssid && ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
439 ssid->mode = WPAS_MODE_P2P_GO;
440 p2p_group_notif_formation_done(wpa_s->p2p_group);
441 wpa_supplicant_ap_mac_addr_filter(wpa_s, NULL);
442 }
443
444 persistent = 0;
445 if (ssid) {
446 ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len);
447 client = ssid->mode == WPAS_MODE_INFRA;
448 if (ssid->mode == WPAS_MODE_P2P_GO) {
449 persistent = ssid->p2p_persistent_group;
450 os_memcpy(go_dev_addr, wpa_s->parent->own_addr,
451 ETH_ALEN);
452 } else
453 persistent = wpas_p2p_persistent_group(wpa_s,
454 go_dev_addr,
455 ssid->ssid,
456 ssid->ssid_len);
457 } else {
458 ssid_txt = "";
459 client = wpa_s->p2p_group_interface ==
460 P2P_GROUP_INTERFACE_CLIENT;
461 }
462
463 wpa_s->show_group_started = 0;
464 if (client) {
465 /*
466 * Indicate event only after successfully completed 4-way
467 * handshake, i.e., when the interface is ready for data
468 * packets.
469 */
470 wpa_s->show_group_started = 1;
471 } else if (ssid && ssid->passphrase == NULL && ssid->psk_set) {
472 char psk[65];
473 wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32);
474 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
c481048f
AC		 475 "%s GO ssid=\"%s\" freq=%d psk=%s go_dev_addr=" MACSTR
476 "%s",
477 wpa_s->ifname, ssid_txt, ssid->frequency, psk,
478 MAC2STR(go_dev_addr),
b22128ef 479 persistent ? " [PERSISTENT]" : "");
72044390 480 wpas_p2p_cross_connect_setup(wpa_s);
3071e181 481 wpas_p2p_set_group_idle_timeout(wpa_s);
b22128ef
JM		 482 } else {
483 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
c481048f
AC		 484 "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" "
485 "go_dev_addr=" MACSTR "%s",
d394a22f 486 wpa_s->ifname, ssid_txt, ssid ? ssid->frequency : 0,
b22128ef
JM		 487 ssid && ssid->passphrase ? ssid->passphrase : "",
488 MAC2STR(go_dev_addr),
489 persistent ? " [PERSISTENT]" : "");
72044390 490 wpas_p2p_cross_connect_setup(wpa_s);
3071e181 491 wpas_p2p_set_group_idle_timeout(wpa_s);
b22128ef
JM		 492 }
493
494 if (persistent)
495 wpas_p2p_store_persistent_group(wpa_s->parent, ssid,
496 go_dev_addr);
497}
498
499
534525ff
JM		 500static struct wpa_supplicant *
501wpas_get_tx_interface(struct wpa_supplicant *wpa_s, const u8 *src)
502{
503 struct wpa_supplicant *iface;
504
505 if (os_memcmp(src, wpa_s->own_addr, ETH_ALEN) == 0)
506 return wpa_s;
507
508 /*
509 * Try to find a group interface that matches with the source address.
510 */
511 iface = wpa_s->global->ifaces;
512 while (iface) {
513 if (os_memcmp(wpa_s->pending_action_src,
514 iface->own_addr, ETH_ALEN) == 0)
515 break;
516 iface = iface->next;
517 }
518 if (iface) {
519 wpa_printf(MSG_DEBUG, "P2P: Use group interface %s "
520 "instead of interface %s for Action TX",
521 iface->ifname, wpa_s->ifname);
522 return iface;
523 }
524
525 return wpa_s;
526}
527
528
b22128ef
JM		 529static void wpas_send_action_cb(void *eloop_ctx, void *timeout_ctx)
530{
531 struct wpa_supplicant *wpa_s = eloop_ctx;
532 struct wpa_supplicant *iface;
533 int res;
534 int without_roc;
535
536 without_roc = wpa_s->pending_action_without_roc;
537 wpa_s->pending_action_without_roc = 0;
ab218b7c
JM		 538 wpa_printf(MSG_DEBUG, "P2P: Send Action callback (without_roc=%d "
539 "pending_action_tx=%p)",
540 without_roc, wpa_s->pending_action_tx);
b22128ef
JM		 541
542 if (wpa_s->pending_action_tx == NULL)
543 return;
544
534525ff
JM		 545 /*
546 * This call is likely going to be on the P2P device instance if the
547 * driver uses a separate interface for that purpose. However, some
548 * Action frames are actually sent within a P2P Group and when that is
549 * the case, we need to follow power saving (e.g., GO buffering the
550 * frame for a client in PS mode or a client following the advertised
551 * NoA from its GO). To make that easier for the driver, select the
552 * correct group interface here.
553 */
554 iface = wpas_get_tx_interface(wpa_s, wpa_s->pending_action_src);
555
b22128ef 556 if (wpa_s->off_channel_freq != wpa_s->pending_action_freq &&
534525ff
JM		 557 wpa_s->pending_action_freq != 0 &&
558 wpa_s->pending_action_freq != iface->assoc_freq) {
b22128ef 559 wpa_printf(MSG_DEBUG, "P2P: Pending Action frame TX "
534525ff
JM		 560 "waiting for another freq=%u (off_channel_freq=%u "
561 "assoc_freq=%u)",
b22128ef 562 wpa_s->pending_action_freq,
534525ff
JM		 563 wpa_s->off_channel_freq,
564 iface->assoc_freq);
b22128ef
JM		 565 if (without_roc && wpa_s->off_channel_freq == 0) {
566 /*
567 * We may get here if wpas_send_action() found us to be
568 * on the correct channel, but remain-on-channel cancel
569 * event was received before getting here.
570 */
571 wpa_printf(MSG_DEBUG, "P2P: Schedule "
572 "remain-on-channel to send Action frame");
573 if (wpa_drv_remain_on_channel(
574 wpa_s, wpa_s->pending_action_freq, 200) <
575 0) {
576 wpa_printf(MSG_DEBUG, "P2P: Failed to request "
577 "driver to remain on channel (%u "
578 "MHz) for Action Frame TX",
579 wpa_s->pending_action_freq);
09d660b9
JM		 580 } else {
581 wpa_s->off_channel_freq = 0;
07a30a66
JM		 582 wpa_s->roc_waiting_drv_freq =
583 wpa_s->pending_action_freq;
09d660b9 584 }
b22128ef
JM		 585 }
586 return;
587 }
588
b22128ef
JM		 589 wpa_printf(MSG_DEBUG, "P2P: Sending pending Action frame to "
590 MACSTR " using interface %s",
591 MAC2STR(wpa_s->pending_action_dst), iface->ifname);
592 res = wpa_drv_send_action(iface, wpa_s->pending_action_freq,
593 wpa_s->pending_action_dst,
594 wpa_s->pending_action_src,
595 wpa_s->pending_action_bssid,
596 wpabuf_head(wpa_s->pending_action_tx),
597 wpabuf_len(wpa_s->pending_action_tx));
598 if (res) {
599 wpa_printf(MSG_DEBUG, "P2P: Failed to send the pending "
600 "Action frame");
601 /*
602 * Use fake TX status event to allow P2P state machine to
603 * continue.
604 */
605 wpas_send_action_tx_status(
606 wpa_s, wpa_s->pending_action_dst,
607 wpabuf_head(wpa_s->pending_action_tx),
93b7ddd0
JM		 608 wpabuf_len(wpa_s->pending_action_tx),
609 P2P_SEND_ACTION_FAILED);
b22128ef
JM		 610 }
611}
612
613
614void wpas_send_action_tx_status(struct wpa_supplicant *wpa_s, const u8 *dst,
93b7ddd0
JM		 615 const u8 *data, size_t data_len,
616 enum p2p_send_action_result result)
b22128ef
JM		 617{
618 if (wpa_s->global->p2p_disabled)
619 return;
620
621 if (wpa_s->pending_action_tx == NULL) {
622 wpa_printf(MSG_DEBUG, "P2P: Ignore Action TX status - no "
623 "pending operation");
624 return;
625 }
626
627 if (os_memcmp(dst, wpa_s->pending_action_dst, ETH_ALEN) != 0) {
628 wpa_printf(MSG_DEBUG, "P2P: Ignore Action TX status - unknown "
629 "destination address");
630 return;
631 }
632
633 wpabuf_free(wpa_s->pending_action_tx);
634 wpa_s->pending_action_tx = NULL;
635
636 p2p_send_action_cb(wpa_s->global->p2p, wpa_s->pending_action_freq,
637 wpa_s->pending_action_dst,
638 wpa_s->pending_action_src,
639 wpa_s->pending_action_bssid,
93b7ddd0 640 result);
b22128ef
JM		 641
642 if (wpa_s->pending_pd_before_join &&
643 (os_memcmp(wpa_s->pending_action_dst, wpa_s->pending_join_dev_addr,
644 ETH_ALEN) == 0 ||
645 os_memcmp(wpa_s->pending_action_dst,
646 wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
647 wpa_s->pending_pd_before_join = 0;
648 wpa_printf(MSG_DEBUG, "P2P: Starting pending "
649 "join-existing-group operation");
650 wpas_p2p_join_start(wpa_s);
651 }
652}
653
654
655static int wpas_send_action(void *ctx, unsigned int freq, const u8 *dst,
656 const u8 *src, const u8 *bssid, const u8 *buf,
657 size_t len, unsigned int wait_time)
658{
659 struct wpa_supplicant *wpa_s = ctx;
660
661 wpa_printf(MSG_DEBUG, "P2P: Send action frame: freq=%d dst=" MACSTR
ab218b7c
JM		 662 " src=" MACSTR " bssid=" MACSTR " len=%d",
663 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
664 (int) len);
b22128ef
JM		 665
666 if (wpa_s->pending_action_tx) {
667 wpa_printf(MSG_DEBUG, "P2P: Dropped pending Action frame TX "
668 "to " MACSTR, MAC2STR(wpa_s->pending_action_dst));
669 wpabuf_free(wpa_s->pending_action_tx);
670 }
671 wpa_s->pending_action_tx = wpabuf_alloc(len);
ab218b7c
JM		 672 if (wpa_s->pending_action_tx == NULL) {
673 wpa_printf(MSG_DEBUG, "P2P: Failed to allocate Action frame "
674 "TX buffer (len=%llu)", (unsigned long long) len);
b22128ef 675 return -1;
ab218b7c 676 }
b22128ef
JM		 677 wpabuf_put_data(wpa_s->pending_action_tx, buf, len);
678 os_memcpy(wpa_s->pending_action_src, src, ETH_ALEN);
679 os_memcpy(wpa_s->pending_action_dst, dst, ETH_ALEN);
680 os_memcpy(wpa_s->pending_action_bssid, bssid, ETH_ALEN);
681 wpa_s->pending_action_freq = freq;
682
534525ff
JM		 683 if (freq) {
684 struct wpa_supplicant *tx_iface;
685 tx_iface = wpas_get_tx_interface(wpa_s, src);
686 if (tx_iface->assoc_freq == freq) {
687 wpa_printf(MSG_DEBUG, "P2P: Already on requested "
688 "channel (TX interface operating channel)");
689 freq = 0;
690 }
691 }
692
b22128ef 693 if (wpa_s->off_channel_freq == freq || freq == 0) {
ab218b7c
JM		 694 wpa_printf(MSG_DEBUG, "P2P: Already on requested channel; "
695 "send Action frame immediately");
b22128ef
JM		 696 /* TODO: Would there ever be need to extend the current
697 * duration on the channel? */
698 wpa_s->pending_action_without_roc = 1;
699 eloop_cancel_timeout(wpas_send_action_cb, wpa_s, NULL);
700 eloop_register_timeout(0, 0, wpas_send_action_cb, wpa_s, NULL);
701 return 0;
702 }
703 wpa_s->pending_action_without_roc = 0;
704
07a30a66
JM		 705 if (wpa_s->roc_waiting_drv_freq == freq) {
706 wpa_printf(MSG_DEBUG, "P2P: Already waiting for driver to get "
707 "to frequency %u MHz; continue waiting to send the "
708 "Action frame", freq);
709 return 0;
710 }
711
b22128ef
JM		 712 wpa_printf(MSG_DEBUG, "P2P: Schedule Action frame to be transmitted "
713 "once the driver gets to the requested channel");
714 if (wait_time > wpa_s->max_remain_on_chan)
715 wait_time = wpa_s->max_remain_on_chan;
716 if (wpa_drv_remain_on_channel(wpa_s, freq, wait_time) < 0) {
717 wpa_printf(MSG_DEBUG, "P2P: Failed to request driver "
718 "to remain on channel (%u MHz) for Action "
719 "Frame TX", freq);
720 return -1;
721 }
09d660b9 722 wpa_s->off_channel_freq = 0;
07a30a66 723 wpa_s->roc_waiting_drv_freq = freq;
b22128ef
JM		 724
725 return 0;
726}
727
728
729static void wpas_send_action_done(void *ctx)
730{
731 struct wpa_supplicant *wpa_s = ctx;
732 wpa_printf(MSG_DEBUG, "P2P: Action frame sequence done notification");
733 wpabuf_free(wpa_s->pending_action_tx);
734 wpa_s->pending_action_tx = NULL;
8eada5ca 735 if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
b22128ef
JM		 736 wpa_drv_cancel_remain_on_channel(wpa_s);
737 wpa_s->off_channel_freq = 0;
07a30a66 738 wpa_s->roc_waiting_drv_freq = 0;
b22128ef
JM		 739 }
740}
741
742
743static int wpas_copy_go_neg_results(struct wpa_supplicant *wpa_s,
744 struct p2p_go_neg_results *params)
745{
746 if (wpa_s->go_params == NULL) {
747 wpa_s->go_params = os_malloc(sizeof(*params));
748 if (wpa_s->go_params == NULL)
749 return -1;
750 }
751 os_memcpy(wpa_s->go_params, params, sizeof(*params));
752 return 0;
753}
754
755
756static void wpas_start_wps_enrollee(struct wpa_supplicant *wpa_s,
757 struct p2p_go_neg_results *res)
758{
3b29972c
JM		 759 wpa_printf(MSG_DEBUG, "P2P: Start WPS Enrollee for peer " MACSTR,
760 MAC2STR(res->peer_interface_addr));
e9a7ae41
JM		 761 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Start WPS Enrollee for SSID",
762 res->ssid, res->ssid_len);
b22128ef
JM		 763 wpa_supplicant_ap_deinit(wpa_s);
764 wpas_copy_go_neg_results(wpa_s, res);
765 if (res->wps_method == WPS_PBC)
3b29972c 766 wpas_wps_start_pbc(wpa_s, res->peer_interface_addr, 1);
3c5126a4
JM		 767 else {
768 u16 dev_pw_id = DEV_PW_DEFAULT;
769 if (wpa_s->p2p_wps_method == WPS_PIN_KEYPAD)
770 dev_pw_id = DEV_PW_REGISTRAR_SPECIFIED;
b22128ef 771 wpas_wps_start_pin(wpa_s, res->peer_interface_addr,
3c5126a4
JM		 772 wpa_s->p2p_pin, 1, dev_pw_id);
773 }
b22128ef
JM		 774}
775
776
777static void p2p_go_configured(void *ctx, void *data)
778{
779 struct wpa_supplicant *wpa_s = ctx;
780 struct p2p_go_neg_results *params = data;
781 struct wpa_ssid *ssid;
782
783 ssid = wpa_s->current_ssid;
784 if (ssid && ssid->mode == WPAS_MODE_P2P_GO) {
785 wpa_printf(MSG_DEBUG, "P2P: Group setup without provisioning");
d1b024c9
JM		 786 if (wpa_s->global->p2p_group_formation == wpa_s)
787 wpa_s->global->p2p_group_formation = NULL;
b22128ef 788 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
c481048f
AC		 789 "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" "
790 "go_dev_addr=" MACSTR "%s",
b22128ef
JM		 791 wpa_s->ifname,
792 wpa_ssid_txt(ssid->ssid, ssid->ssid_len),
c481048f 793 ssid->frequency,
b22128ef
JM		 794 params->passphrase ? params->passphrase : "",
795 MAC2STR(wpa_s->parent->own_addr),
796 params->persistent_group ? " [PERSISTENT]" : "");
797 if (params->persistent_group)
798 wpas_p2p_store_persistent_group(
799 wpa_s->parent, ssid,
800 wpa_s->parent->own_addr);
72044390 801 wpas_p2p_cross_connect_setup(wpa_s);
3071e181 802 wpas_p2p_set_group_idle_timeout(wpa_s);
b22128ef
JM		 803 return;
804 }
805
806 wpa_printf(MSG_DEBUG, "P2P: Setting up WPS for GO provisioning");
807 if (wpa_supplicant_ap_mac_addr_filter(wpa_s,
808 params->peer_interface_addr)) {
809 wpa_printf(MSG_DEBUG, "P2P: Failed to setup MAC address "
810 "filtering");
811 return;
812 }
813 if (params->wps_method == WPS_PBC)
814 wpa_supplicant_ap_wps_pbc(wpa_s, params->peer_interface_addr);
815 else if (wpa_s->p2p_pin[0])
816 wpa_supplicant_ap_wps_pin(wpa_s, params->peer_interface_addr,
817 wpa_s->p2p_pin, NULL, 0);
818 os_free(wpa_s->go_params);
819 wpa_s->go_params = NULL;
820}
821
822
823static void wpas_start_wps_go(struct wpa_supplicant *wpa_s,
824 struct p2p_go_neg_results *params,
825 int group_formation)
826{
827 struct wpa_ssid *ssid;
828
829 if (wpas_copy_go_neg_results(wpa_s, params) < 0)
830 return;
831
832 ssid = wpa_config_add_network(wpa_s->conf);
833 if (ssid == NULL)
834 return;
835
01d92811 836 wpas_notify_network_added(wpa_s, ssid);
b22128ef
JM		 837 wpa_config_set_network_defaults(ssid);
838 ssid->temporary = 1;
839 ssid->p2p_group = 1;
840 ssid->p2p_persistent_group = params->persistent_group;
841 ssid->mode = group_formation ? WPAS_MODE_P2P_GROUP_FORMATION :
842 WPAS_MODE_P2P_GO;
843 ssid->frequency = params->freq;
844 ssid->ssid = os_zalloc(params->ssid_len + 1);
845 if (ssid->ssid) {
846 os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
847 ssid->ssid_len = params->ssid_len;
848 }
849 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
850 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
851 ssid->proto = WPA_PROTO_RSN;
852 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
853 ssid->passphrase = os_strdup(params->passphrase);
854
855 wpa_s->ap_configured_cb = p2p_go_configured;
856 wpa_s->ap_configured_cb_ctx = wpa_s;
857 wpa_s->ap_configured_cb_data = wpa_s->go_params;
858 wpa_s->connect_without_scan = 1;
859 wpa_s->reassociate = 1;
860 wpa_s->disconnected = 0;
861 wpa_supplicant_req_scan(wpa_s, 0, 0);
862}
863
864
865static void wpas_p2p_clone_config(struct wpa_supplicant *dst,
866 const struct wpa_supplicant *src)
867{
868 struct wpa_config *d;
869 const struct wpa_config *s;
870
871 d = dst->conf;
872 s = src->conf;
873
874#define C(n) if (s->n) d->n = os_strdup(s->n)
875 C(device_name);
876 C(manufacturer);
877 C(model_name);
878 C(model_number);
879 C(serial_number);
880 C(device_type);
881 C(config_methods);
882#undef C
3071e181
JM		 883
884 d->p2p_group_idle = s->p2p_group_idle;
b029bd33 885 d->p2p_intra_bss = s->p2p_intra_bss;
b22128ef
JM		 886}
887
888
889static int wpas_p2p_add_group_interface(struct wpa_supplicant *wpa_s,
890 enum wpa_driver_if_type type)
891{
892 char ifname[120], force_ifname[120];
893
894 if (wpa_s->pending_interface_name[0]) {
895 wpa_printf(MSG_DEBUG, "P2P: Pending virtual interface exists "
896 "- skip creation of a new one");
897 if (is_zero_ether_addr(wpa_s->pending_interface_addr)) {
898 wpa_printf(MSG_DEBUG, "P2P: Pending virtual address "
899 "unknown?! ifname='%s'",
900 wpa_s->pending_interface_name);
901 return -1;
902 }
903 return 0;
904 }
905
906 os_snprintf(ifname, sizeof(ifname), "%s-p2p-%d", wpa_s->ifname,
907 wpa_s->p2p_group_idx);
908 force_ifname[0] = '\0';
909
910 wpa_printf(MSG_DEBUG, "P2P: Create a new interface %s for the group",
911 ifname);
912 wpa_s->p2p_group_idx++;
913
914 wpa_s->pending_interface_type = type;
915 if (wpa_drv_if_add(wpa_s, type, ifname, NULL, NULL, force_ifname,
916 wpa_s->pending_interface_addr) < 0) {
917 wpa_printf(MSG_ERROR, "P2P: Failed to create new group "
918 "interface");
919 return -1;
920 }
921
922 if (force_ifname[0]) {
923 wpa_printf(MSG_DEBUG, "P2P: Driver forced interface name %s",
924 force_ifname);
925 os_strlcpy(wpa_s->pending_interface_name, force_ifname,
926 sizeof(wpa_s->pending_interface_name));
927 } else
928 os_strlcpy(wpa_s->pending_interface_name, ifname,
929 sizeof(wpa_s->pending_interface_name));
930 wpa_printf(MSG_DEBUG, "P2P: Created pending virtual interface %s addr "
931 MACSTR, wpa_s->pending_interface_name,
932 MAC2STR(wpa_s->pending_interface_addr));
933
934 return 0;
935}
936
937
938static void wpas_p2p_remove_pending_group_interface(
939 struct wpa_supplicant *wpa_s)
940{
941 if (!wpa_s->pending_interface_name[0] ||
942 is_zero_ether_addr(wpa_s->pending_interface_addr))
943 return; /* No pending virtual interface */
944
945 wpa_printf(MSG_DEBUG, "P2P: Removing pending group interface %s",
946 wpa_s->pending_interface_name);
947 wpa_drv_if_remove(wpa_s, wpa_s->pending_interface_type,
948 wpa_s->pending_interface_name);
949 os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
950 wpa_s->pending_interface_name[0] = '\0';
951}
952
953
954static struct wpa_supplicant *
955wpas_p2p_init_group_interface(struct wpa_supplicant *wpa_s, int go)
956{
957 struct wpa_interface iface;
958 struct wpa_supplicant *group_wpa_s;
959
960 if (!wpa_s->pending_interface_name[0]) {
961 wpa_printf(MSG_ERROR, "P2P: No pending group interface");
d75e8806
JM		 962 if (!wpas_p2p_create_iface(wpa_s))
963 return NULL;
964 /*
965 * Something has forced us to remove the pending interface; try
966 * to create a new one and hope for the best that we will get
967 * the same local address.
968 */
969 if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO :
970 WPA_IF_P2P_CLIENT) < 0)
971 return NULL;
b22128ef
JM		 972 }
973
974 os_memset(&iface, 0, sizeof(iface));
975 iface.ifname = wpa_s->pending_interface_name;
976 iface.driver = wpa_s->driver->name;
977 iface.ctrl_interface = wpa_s->conf->ctrl_interface;
978 iface.driver_param = wpa_s->conf->driver_param;
979 group_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface);
980 if (group_wpa_s == NULL) {
981 wpa_printf(MSG_ERROR, "P2P: Failed to create new "
982 "wpa_supplicant interface");
983 return NULL;
984 }
985 wpa_s->pending_interface_name[0] = '\0';
986 group_wpa_s->parent = wpa_s;
987 group_wpa_s->p2p_group_interface = go ? P2P_GROUP_INTERFACE_GO :
988 P2P_GROUP_INTERFACE_CLIENT;
989 wpa_s->global->p2p_group_formation = group_wpa_s;
990
991 wpas_p2p_clone_config(group_wpa_s, wpa_s);
992
993 return group_wpa_s;
994}
995
996
997static void wpas_p2p_group_formation_timeout(void *eloop_ctx,
998 void *timeout_ctx)
999{
1000 struct wpa_supplicant *wpa_s = eloop_ctx;
1001 wpa_printf(MSG_DEBUG, "P2P: Group Formation timed out");
1002 if (wpa_s->global->p2p)
1003 p2p_group_formation_failed(wpa_s->global->p2p);
1004 wpas_group_formation_completed(wpa_s, 0);
1005}
1006
1007
1008void wpas_go_neg_completed(void *ctx, struct p2p_go_neg_results *res)
1009{
1010 struct wpa_supplicant *wpa_s = ctx;
1011
8eada5ca 1012 if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
b22128ef
JM		 1013 wpa_drv_cancel_remain_on_channel(wpa_s);
1014 wpa_s->off_channel_freq = 0;
07a30a66 1015 wpa_s->roc_waiting_drv_freq = 0;
b22128ef
JM		 1016 }
1017
1018 if (res->status) {
1019 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_FAILURE "status=%d",
1020 res->status);
1021 wpas_p2p_remove_pending_group_interface(wpa_s);
1022 return;
1023 }
1024
1025 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_SUCCESS);
1026
1027 if (wpa_s->create_p2p_iface) {
1028 struct wpa_supplicant *group_wpa_s =
1029 wpas_p2p_init_group_interface(wpa_s, res->role_go);
1030 if (group_wpa_s == NULL) {
1031 wpas_p2p_remove_pending_group_interface(wpa_s);
1032 return;
1033 }
3c5126a4 1034 if (group_wpa_s != wpa_s) {
b22128ef
JM		 1035 os_memcpy(group_wpa_s->p2p_pin, wpa_s->p2p_pin,
1036 sizeof(group_wpa_s->p2p_pin));
3c5126a4
JM		 1037 group_wpa_s->p2p_wps_method = wpa_s->p2p_wps_method;
1038 }
b22128ef
JM		 1039 os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
1040 wpa_s->pending_interface_name[0] = '\0';
1041 group_wpa_s->p2p_in_provisioning = 1;
1042
1043 if (res->role_go)
1044 wpas_start_wps_go(group_wpa_s, res, 1);
1045 else
1046 wpas_start_wps_enrollee(group_wpa_s, res);
1047 } else {
1048 wpa_s->p2p_in_provisioning = 1;
1049 wpa_s->global->p2p_group_formation = wpa_s;
1050
1051 if (res->role_go)
1052 wpas_start_wps_go(wpa_s, res, 1);
1053 else
1054 wpas_start_wps_enrollee(ctx, res);
1055 }
1056
1057 wpa_s->p2p_long_listen = 0;
1058 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
1059
1060 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
ae3e3421
JM		 1061 eloop_register_timeout(15 + res->peer_config_timeout / 100,
1062 (res->peer_config_timeout % 100) * 10000,
1063 wpas_p2p_group_formation_timeout, wpa_s, NULL);
b22128ef
JM		 1064}
1065
1066
3dfda83d 1067void wpas_go_neg_req_rx(void *ctx, const u8 *src, u16 dev_passwd_id)
b22128ef
JM		 1068{
1069 struct wpa_supplicant *wpa_s = ctx;
3dfda83d
JM		 1070 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_REQUEST MACSTR
1071 " dev_passwd_id=%u", MAC2STR(src), dev_passwd_id);
b22128ef
JM		 1072}
1073
1074
1075void wpas_dev_found(void *ctx, const u8 *addr, const u8 *dev_addr,
1076 const u8 *pri_dev_type, const char *dev_name,
1077 u16 config_methods, u8 dev_capab, u8 group_capab)
1078{
1079 struct wpa_supplicant *wpa_s = ctx;
1080 char devtype[WPS_DEV_TYPE_BUFSIZE];
1081 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_FOUND MACSTR
1082 " p2p_dev_addr=" MACSTR
1083 " pri_dev_type=%s name='%s' config_methods=0x%x "
1084 "dev_capab=0x%x group_capab=0x%x",
1085 MAC2STR(addr), MAC2STR(dev_addr),
1086 wps_dev_type_bin2str(pri_dev_type, devtype, sizeof(devtype)),
1087 dev_name, config_methods, dev_capab, group_capab);
1088}
1089
1090
1091static int wpas_start_listen(void *ctx, unsigned int freq,
1092 unsigned int duration,
1093 const struct wpabuf *probe_resp_ie)
1094{
1095 struct wpa_supplicant *wpa_s = ctx;
1096
0e2e565a 1097 wpa_drv_set_ap_wps_ie(wpa_s, NULL, probe_resp_ie, NULL);
b22128ef
JM		 1098
1099 if (wpa_drv_probe_req_report(wpa_s, 1) < 0) {
1100 wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver to "
1101 "report received Probe Request frames");
1102 return -1;
1103 }
1104
1105 wpa_s->pending_listen_freq = freq;
1106 wpa_s->pending_listen_duration = duration;
1107
1108 if (wpa_drv_remain_on_channel(wpa_s, freq, duration) < 0) {
1109 wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver "
1110 "to remain on channel (%u MHz) for Listen "
1111 "state", freq);
1112 wpa_s->pending_listen_freq = 0;
1113 return -1;
1114 }
09d660b9 1115 wpa_s->off_channel_freq = 0;
07a30a66 1116 wpa_s->roc_waiting_drv_freq = freq;
b22128ef
JM		 1117
1118 return 0;
1119}
1120
1121
1122static void wpas_stop_listen(void *ctx)
1123{
1124 struct wpa_supplicant *wpa_s = ctx;
6cb22d2f 1125 if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
b22128ef
JM		 1126 wpa_drv_cancel_remain_on_channel(wpa_s);
1127 wpa_s->off_channel_freq = 0;
07a30a66 1128 wpa_s->roc_waiting_drv_freq = 0;
b22128ef
JM		 1129 }
1130 wpa_drv_probe_req_report(wpa_s, 0);
1131}
1132
1133
1134static int wpas_send_probe_resp(void *ctx, const struct wpabuf *buf)
1135{
1136 struct wpa_supplicant *wpa_s = ctx;
1137 return wpa_drv_send_mlme(wpa_s, wpabuf_head(buf), wpabuf_len(buf));
1138}
1139
1140
1141static struct p2p_srv_bonjour *
1142wpas_p2p_service_get_bonjour(struct wpa_supplicant *wpa_s,
1143 const struct wpabuf *query)
1144{
1145 struct p2p_srv_bonjour *bsrv;
1146 size_t len;
1147
1148 len = wpabuf_len(query);
1149 dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour,
1150 struct p2p_srv_bonjour, list) {
1151 if (len == wpabuf_len(bsrv->query) &&
1152 os_memcmp(wpabuf_head(query), wpabuf_head(bsrv->query),
1153 len) == 0)
1154 return bsrv;
1155 }
1156 return NULL;
1157}
1158
1159
1160static struct p2p_srv_upnp *
1161wpas_p2p_service_get_upnp(struct wpa_supplicant *wpa_s, u8 version,
1162 const char *service)
1163{
1164 struct p2p_srv_upnp *usrv;
1165
1166 dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
1167 struct p2p_srv_upnp, list) {
1168 if (version == usrv->version &&
1169 os_strcmp(service, usrv->service) == 0)
1170 return usrv;
1171 }
1172 return NULL;
1173}
1174
1175
1176static void wpas_sd_add_proto_not_avail(struct wpabuf *resp, u8 srv_proto,
1177 u8 srv_trans_id)
1178{
1179 u8 *len_pos;
1180
1181 if (wpabuf_tailroom(resp) < 5)
1182 return;
1183
1184 /* Length (to be filled) */
1185 len_pos = wpabuf_put(resp, 2);
1186 wpabuf_put_u8(resp, srv_proto);
1187 wpabuf_put_u8(resp, srv_trans_id);
1188 /* Status Code */
1189 wpabuf_put_u8(resp, P2P_SD_PROTO_NOT_AVAILABLE);
1190 /* Response Data: empty */
1191 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
1192}
1193
1194
1195static void wpas_sd_all_bonjour(struct wpa_supplicant *wpa_s,
1196 struct wpabuf *resp, u8 srv_trans_id)
1197{
1198 struct p2p_srv_bonjour *bsrv;
1199 u8 *len_pos;
1200
1201 wpa_printf(MSG_DEBUG, "P2P: SD Request for all Bonjour services");
1202
1203 if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
1204 wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available");
1205 return;
1206 }
1207
1208 dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour,
1209 struct p2p_srv_bonjour, list) {
1210 if (wpabuf_tailroom(resp) <
1211 5 + wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp))
1212 return;
1213 /* Length (to be filled) */
1214 len_pos = wpabuf_put(resp, 2);
1215 wpabuf_put_u8(resp, P2P_SERV_BONJOUR);
1216 wpabuf_put_u8(resp, srv_trans_id);
1217 /* Status Code */
1218 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1219 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service",
1220 wpabuf_head(bsrv->resp),
1221 wpabuf_len(bsrv->resp));
1222 /* Response Data */
1223 wpabuf_put_buf(resp, bsrv->query); /* Key */
1224 wpabuf_put_buf(resp, bsrv->resp); /* Value */
1225 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
1226 2);
1227 }
1228}
1229
1230
1231static void wpas_sd_req_bonjour(struct wpa_supplicant *wpa_s,
1232 struct wpabuf *resp, u8 srv_trans_id,
1233 const u8 *query, size_t query_len)
1234{
1235 struct p2p_srv_bonjour *bsrv;
1236 struct wpabuf buf;
1237 u8 *len_pos;
1238
1239 wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for Bonjour",
1240 query, query_len);
1241 if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
1242 wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available");
1243 wpas_sd_add_proto_not_avail(resp, P2P_SERV_BONJOUR,
1244 srv_trans_id);
1245 return;
1246 }
1247
1248 if (query_len == 0) {
1249 wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
1250 return;
1251 }
1252
1253 if (wpabuf_tailroom(resp) < 5)
1254 return;
1255 /* Length (to be filled) */
1256 len_pos = wpabuf_put(resp, 2);
1257 wpabuf_put_u8(resp, P2P_SERV_BONJOUR);
1258 wpabuf_put_u8(resp, srv_trans_id);
1259
1260 wpabuf_set(&buf, query, query_len);
1261 bsrv = wpas_p2p_service_get_bonjour(wpa_s, &buf);
1262 if (bsrv == NULL) {
1263 wpa_printf(MSG_DEBUG, "P2P: Requested Bonjour service not "
1264 "available");
1265
1266 /* Status Code */
bf608cad 1267 wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE);
b22128ef
JM		 1268 /* Response Data: empty */
1269 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
1270 2);
1271 return;
1272 }
1273
1274 /* Status Code */
1275 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1276 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service",
1277 wpabuf_head(bsrv->resp), wpabuf_len(bsrv->resp));
1278
1279 if (wpabuf_tailroom(resp) >=
1280 wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp)) {
1281 /* Response Data */
1282 wpabuf_put_buf(resp, bsrv->query); /* Key */
1283 wpabuf_put_buf(resp, bsrv->resp); /* Value */
1284 }
1285 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
1286}
1287
1288
1289static void wpas_sd_all_upnp(struct wpa_supplicant *wpa_s,
1290 struct wpabuf *resp, u8 srv_trans_id)
1291{
1292 struct p2p_srv_upnp *usrv;
1293 u8 *len_pos;
1294
1295 wpa_printf(MSG_DEBUG, "P2P: SD Request for all UPnP services");
1296
1297 if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) {
1298 wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available");
1299 return;
1300 }
1301
1302 dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
1303 struct p2p_srv_upnp, list) {
1304 if (wpabuf_tailroom(resp) < 5 + 1 + os_strlen(usrv->service))
1305 return;
1306
1307 /* Length (to be filled) */
1308 len_pos = wpabuf_put(resp, 2);
1309 wpabuf_put_u8(resp, P2P_SERV_UPNP);
1310 wpabuf_put_u8(resp, srv_trans_id);
1311
1312 /* Status Code */
1313 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1314 /* Response Data */
1315 wpabuf_put_u8(resp, usrv->version);
1316 wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s",
1317 usrv->service);
1318 wpabuf_put_str(resp, usrv->service);
1319 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
1320 2);
1321 }
1322}
1323
1324
1325static void wpas_sd_req_upnp(struct wpa_supplicant *wpa_s,
1326 struct wpabuf *resp, u8 srv_trans_id,
1327 const u8 *query, size_t query_len)
1328{
1329 struct p2p_srv_upnp *usrv;
1330 u8 *len_pos;
1331 u8 version;
1332 char *str;
1333 int count = 0;
1334
1335 wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for UPnP",
1336 query, query_len);
1337
1338 if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) {
1339 wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available");
1340 wpas_sd_add_proto_not_avail(resp, P2P_SERV_UPNP,
1341 srv_trans_id);
1342 return;
1343 }
1344
1345 if (query_len == 0) {
1346 wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
1347 return;
1348 }
1349
b22128ef
JM		 1350 if (wpabuf_tailroom(resp) < 5)
1351 return;
1352
1353 /* Length (to be filled) */
1354 len_pos = wpabuf_put(resp, 2);
1355 wpabuf_put_u8(resp, P2P_SERV_UPNP);
1356 wpabuf_put_u8(resp, srv_trans_id);
1357
79222cfa
JM		 1358 version = query[0];
1359 str = os_malloc(query_len);
1360 if (str == NULL)
1361 return;
1362 os_memcpy(str, query + 1, query_len - 1);
1363 str[query_len - 1] = '\0';
1364
b22128ef
JM		 1365 dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
1366 struct p2p_srv_upnp, list) {
1367 if (version != usrv->version)
1368 continue;
1369
1370 if (os_strcmp(str, "ssdp:all") != 0 &&
1371 os_strstr(usrv->service, str) == NULL)
1372 continue;
1373
1374 if (wpabuf_tailroom(resp) < 2)
1375 break;
1376 if (count == 0) {
1377 /* Status Code */
1378 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1379 /* Response Data */
1380 wpabuf_put_u8(resp, version);
1381 } else
1382 wpabuf_put_u8(resp, ',');
1383
1384 count++;
1385
1386 wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s",
1387 usrv->service);
1388 if (wpabuf_tailroom(resp) < os_strlen(usrv->service))
1389 break;
1390 wpabuf_put_str(resp, usrv->service);
1391 }
1392
1393 if (count == 0) {
1394 wpa_printf(MSG_DEBUG, "P2P: Requested UPnP service not "
1395 "available");
1396 /* Status Code */
bf608cad 1397 wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE);
b22128ef
JM		 1398 /* Response Data: empty */
1399 }
1400
1401 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
1402}
1403
1404
1405void wpas_sd_request(void *ctx, int freq, const u8 *sa, u8 dialog_token,
1406 u16 update_indic, const u8 *tlvs, size_t tlvs_len)
1407{
1408 struct wpa_supplicant *wpa_s = ctx;
1409 const u8 *pos = tlvs;
1410 const u8 *end = tlvs + tlvs_len;
1411 const u8 *tlv_end;
1412 u16 slen;
1413 struct wpabuf *resp;
1414 u8 srv_proto, srv_trans_id;
1415 size_t buf_len;
1416 char *buf;
1417
1418 wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Request TLVs",
1419 tlvs, tlvs_len);
1420 buf_len = 2 * tlvs_len + 1;
1421 buf = os_malloc(buf_len);
1422 if (buf) {
1423 wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len);
1424 wpa_msg_ctrl(wpa_s, MSG_INFO, P2P_EVENT_SERV_DISC_REQ "%d "
1425 MACSTR " %u %u %s",
1426 freq, MAC2STR(sa), dialog_token, update_indic,
1427 buf);
1428 os_free(buf);
1429 }
1430
1431 if (wpa_s->p2p_sd_over_ctrl_iface)
1432 return; /* to be processed by an external program */
1433
1434 resp = wpabuf_alloc(10000);
1435 if (resp == NULL)
1436 return;
1437
1438 while (pos + 1 < end) {
1439 wpa_printf(MSG_DEBUG, "P2P: Service Request TLV");
1440 slen = WPA_GET_LE16(pos);
1441 pos += 2;
1442 if (pos + slen > end || slen < 2) {
1443 wpa_printf(MSG_DEBUG, "P2P: Unexpected Query Data "
1444 "length");
1445 wpabuf_free(resp);
1446 return;
1447 }
1448 tlv_end = pos + slen;
1449
1450 srv_proto = *pos++;
1451 wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u",
1452 srv_proto);
1453 srv_trans_id = *pos++;
1454 wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u",
1455 srv_trans_id);
1456
1457 wpa_hexdump(MSG_MSGDUMP, "P2P: Query Data",
1458 pos, tlv_end - pos);
1459
6e6963ea
JM		 1460
1461 if (wpa_s->force_long_sd) {
1462 wpa_printf(MSG_DEBUG, "P2P: SD test - force long "
1463 "response");
1464 wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
1465 wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
1466 goto done;
1467 }
1468
b22128ef
JM		 1469 switch (srv_proto) {
1470 case P2P_SERV_ALL_SERVICES:
1471 wpa_printf(MSG_DEBUG, "P2P: Service Discovery Request "
1472 "for all services");
1473 if (dl_list_empty(&wpa_s->global->p2p_srv_upnp) &&
1474 dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
1475 wpa_printf(MSG_DEBUG, "P2P: No service "
1476 "discovery protocols available");
1477 wpas_sd_add_proto_not_avail(
1478 resp, P2P_SERV_ALL_SERVICES,
1479 srv_trans_id);
1480 break;
1481 }
1482 wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
1483 wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
1484 break;
1485 case P2P_SERV_BONJOUR:
1486 wpas_sd_req_bonjour(wpa_s, resp, srv_trans_id,
1487 pos, tlv_end - pos);
1488 break;
1489 case P2P_SERV_UPNP:
1490 wpas_sd_req_upnp(wpa_s, resp, srv_trans_id,
1491 pos, tlv_end - pos);
1492 break;
1493 default:
1494 wpa_printf(MSG_DEBUG, "P2P: Unavailable service "
1495 "protocol %u", srv_proto);
1496 wpas_sd_add_proto_not_avail(resp, srv_proto,
1497 srv_trans_id);
1498 break;
1499 }
1500
1501 pos = tlv_end;
1502 }
1503
6e6963ea 1504done:
b22128ef
JM		 1505 wpas_p2p_sd_response(wpa_s, freq, sa, dialog_token, resp);
1506
1507 wpabuf_free(resp);
1508}
1509
1510
1511void wpas_sd_response(void *ctx, const u8 *sa, u16 update_indic,
1512 const u8 *tlvs, size_t tlvs_len)
1513{
1514 struct wpa_supplicant *wpa_s = ctx;
1515 const u8 *pos = tlvs;
1516 const u8 *end = tlvs + tlvs_len;
1517 const u8 *tlv_end;
1518 u16 slen;
1519 size_t buf_len;
1520 char *buf;
1521
1522 wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Response TLVs",
1523 tlvs, tlvs_len);
18708aad
JM		 1524 if (tlvs_len > 1500) {
1525 /* TODO: better way for handling this */
1526 wpa_msg_ctrl(wpa_s, MSG_INFO,
1527 P2P_EVENT_SERV_DISC_RESP MACSTR
1528 " %u <long response: %u bytes>",
1529 MAC2STR(sa), update_indic,
1530 (unsigned int) tlvs_len);
1531 } else {
1532 buf_len = 2 * tlvs_len + 1;
1533 buf = os_malloc(buf_len);
1534 if (buf) {
1535 wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len);
1536 wpa_msg_ctrl(wpa_s, MSG_INFO,
1537 P2P_EVENT_SERV_DISC_RESP MACSTR " %u %s",
1538 MAC2STR(sa), update_indic, buf);
1539 os_free(buf);
1540 }
b22128ef
JM		 1541 }
1542
1543 while (pos < end) {
1544 u8 srv_proto, srv_trans_id, status;
1545
1546 wpa_printf(MSG_DEBUG, "P2P: Service Response TLV");
1547 slen = WPA_GET_LE16(pos);
1548 pos += 2;
1549 if (pos + slen > end || slen < 3) {
1550 wpa_printf(MSG_DEBUG, "P2P: Unexpected Response Data "
1551 "length");
1552 return;
1553 }
1554 tlv_end = pos + slen;
1555
1556 srv_proto = *pos++;
1557 wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u",
1558 srv_proto);
1559 srv_trans_id = *pos++;
1560 wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u",
1561 srv_trans_id);
1562 status = *pos++;
1563 wpa_printf(MSG_DEBUG, "P2P: Status Code ID %u",
1564 status);
1565
1566 wpa_hexdump(MSG_MSGDUMP, "P2P: Response Data",
1567 pos, tlv_end - pos);
1568
1569 pos = tlv_end;
1570 }
1571}
1572
1573
1574void * wpas_p2p_sd_request(struct wpa_supplicant *wpa_s, const u8 *dst,
1575 const struct wpabuf *tlvs)
1576{
1577 return p2p_sd_request(wpa_s->global->p2p, dst, tlvs);
1578}
1579
1580
1581void * wpas_p2p_sd_request_upnp(struct wpa_supplicant *wpa_s, const u8 *dst,
1582 u8 version, const char *query)
1583{
1584 struct wpabuf *tlvs;
1585 void *ret;
1586
1587 tlvs = wpabuf_alloc(2 + 1 + 1 + 1 + os_strlen(query));
1588 if (tlvs == NULL)
1589 return NULL;
1590 wpabuf_put_le16(tlvs, 1 + 1 + 1 + os_strlen(query));
1591 wpabuf_put_u8(tlvs, P2P_SERV_UPNP); /* Service Protocol Type */
1592 wpabuf_put_u8(tlvs, 1); /* Service Transaction ID */
1593 wpabuf_put_u8(tlvs, version);
1594 wpabuf_put_str(tlvs, query);
1595 ret = wpas_p2p_sd_request(wpa_s, dst, tlvs);
1596 wpabuf_free(tlvs);
1597 return ret;
1598}
1599
1600
1601int wpas_p2p_sd_cancel_request(struct wpa_supplicant *wpa_s, void *req)
1602{
1603 return p2p_sd_cancel_request(wpa_s->global->p2p, req);
1604}
1605
1606
1607void wpas_p2p_sd_response(struct wpa_supplicant *wpa_s, int freq,
1608 const u8 *dst, u8 dialog_token,
1609 const struct wpabuf *resp_tlvs)
1610{
1611 p2p_sd_response(wpa_s->global->p2p, freq, dst, dialog_token,
1612 resp_tlvs);
1613}
1614
1615
1616void wpas_p2p_sd_service_update(struct wpa_supplicant *wpa_s)
1617{
1618 p2p_sd_service_update(wpa_s->global->p2p);
1619}
1620
1621
1622static void wpas_p2p_srv_bonjour_free(struct p2p_srv_bonjour *bsrv)
1623{
1624 dl_list_del(&bsrv->list);
1625 wpabuf_free(bsrv->query);
1626 wpabuf_free(bsrv->resp);
1627 os_free(bsrv);
1628}
1629
1630
1631static void wpas_p2p_srv_upnp_free(struct p2p_srv_upnp *usrv)
1632{
1633 dl_list_del(&usrv->list);
1634 os_free(usrv->service);
1635 os_free(usrv);
1636}
1637
1638
1639void wpas_p2p_service_flush(struct wpa_supplicant *wpa_s)
1640{
1641 struct p2p_srv_bonjour *bsrv, *bn;
1642 struct p2p_srv_upnp *usrv, *un;
1643
1644 dl_list_for_each_safe(bsrv, bn, &wpa_s->global->p2p_srv_bonjour,
1645 struct p2p_srv_bonjour, list)
1646 wpas_p2p_srv_bonjour_free(bsrv);
1647
1648 dl_list_for_each_safe(usrv, un, &wpa_s->global->p2p_srv_upnp,
1649 struct p2p_srv_upnp, list)
1650 wpas_p2p_srv_upnp_free(usrv);
1651
1652 wpas_p2p_sd_service_update(wpa_s);
1653}
1654
1655
1656int wpas_p2p_service_add_bonjour(struct wpa_supplicant *wpa_s,
1657 struct wpabuf *query, struct wpabuf *resp)
1658{
1659 struct p2p_srv_bonjour *bsrv;
1660
1661 bsrv = wpas_p2p_service_get_bonjour(wpa_s, query);
1662 if (bsrv) {
1663 wpabuf_free(query);
1664 wpabuf_free(bsrv->resp);
1665 bsrv->resp = resp;
1666 return 0;
1667 }
1668
1669 bsrv = os_zalloc(sizeof(*bsrv));
1670 if (bsrv == NULL)
1671 return -1;
1672 bsrv->query = query;
1673 bsrv->resp = resp;
1674 dl_list_add(&wpa_s->global->p2p_srv_bonjour, &bsrv->list);
1675
1676 wpas_p2p_sd_service_update(wpa_s);
1677 return 0;
1678}
1679
1680
1681int wpas_p2p_service_del_bonjour(struct wpa_supplicant *wpa_s,
1682 const struct wpabuf *query)
1683{
1684 struct p2p_srv_bonjour *bsrv;
1685
1686 bsrv = wpas_p2p_service_get_bonjour(wpa_s, query);
1687 if (bsrv == NULL)
1688 return -1;
1689 wpas_p2p_srv_bonjour_free(bsrv);
1690 wpas_p2p_sd_service_update(wpa_s);
1691 return 0;
1692}
1693
1694
1695int wpas_p2p_service_add_upnp(struct wpa_supplicant *wpa_s, u8 version,
1696 const char *service)
1697{
1698 struct p2p_srv_upnp *usrv;
1699
1700 if (wpas_p2p_service_get_upnp(wpa_s, version, service))
1701 return 0; /* Already listed */
1702 usrv = os_zalloc(sizeof(*usrv));
1703 if (usrv == NULL)
1704 return -1;
1705 usrv->version = version;
1706 usrv->service = os_strdup(service);
1707 if (usrv->service == NULL) {
1708 os_free(usrv);
1709 return -1;
1710 }
1711 dl_list_add(&wpa_s->global->p2p_srv_upnp, &usrv->list);
1712
1713 wpas_p2p_sd_service_update(wpa_s);
1714 return 0;
1715}
1716
1717
1718int wpas_p2p_service_del_upnp(struct wpa_supplicant *wpa_s, u8 version,
1719 const char *service)
1720{
1721 struct p2p_srv_upnp *usrv;
1722
1723 usrv = wpas_p2p_service_get_upnp(wpa_s, version, service);
1724 if (usrv == NULL)
1725 return -1;
1726 wpas_p2p_srv_upnp_free(usrv);
1727 wpas_p2p_sd_service_update(wpa_s);
1728 return 0;
1729}
1730
1731
1732static void wpas_prov_disc_local_display(struct wpa_supplicant *wpa_s,
1733 const u8 *peer, const char *params)
1734{
1735 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR " %08d%s",
1736 MAC2STR(peer), wps_generate_pin(), params);
1737}
1738
1739
1740static void wpas_prov_disc_local_keypad(struct wpa_supplicant *wpa_s,
1741 const u8 *peer, const char *params)
1742{
1743 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR "%s",
1744 MAC2STR(peer), params);
1745}
1746
1747
1748void wpas_prov_disc_req(void *ctx, const u8 *peer, u16 config_methods,
1749 const u8 *dev_addr, const u8 *pri_dev_type,
1750 const char *dev_name, u16 supp_config_methods,
1751 u8 dev_capab, u8 group_capab)
1752{
1753 struct wpa_supplicant *wpa_s = ctx;
1754 char devtype[WPS_DEV_TYPE_BUFSIZE];
1755 char params[200];
1756 u8 empty_dev_type[8];
1757
1758 if (pri_dev_type == NULL) {
1759 os_memset(empty_dev_type, 0, sizeof(empty_dev_type));
1760 pri_dev_type = empty_dev_type;
1761 }
1762 os_snprintf(params, sizeof(params), " p2p_dev_addr=" MACSTR
1763 " pri_dev_type=%s name='%s' config_methods=0x%x "
1764 "dev_capab=0x%x group_capab=0x%x",
1765 MAC2STR(dev_addr),
1766 wps_dev_type_bin2str(pri_dev_type, devtype,
1767 sizeof(devtype)),
1768 dev_name, supp_config_methods, dev_capab, group_capab);
1769 params[sizeof(params) - 1] = '\0';
1770
1771 if (config_methods & WPS_CONFIG_DISPLAY)
1772 wpas_prov_disc_local_display(wpa_s, peer, params);
1773 else if (config_methods & WPS_CONFIG_KEYPAD)
1774 wpas_prov_disc_local_keypad(wpa_s, peer, params);
1775 else if (config_methods & WPS_CONFIG_PUSHBUTTON)
1776 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_REQ MACSTR
1777 "%s", MAC2STR(peer), params);
1778}
1779
1780
1781void wpas_prov_disc_resp(void *ctx, const u8 *peer, u16 config_methods)
1782{
1783 struct wpa_supplicant *wpa_s = ctx;
1784 if (config_methods & WPS_CONFIG_DISPLAY)
1785 wpas_prov_disc_local_keypad(wpa_s, peer, "");
1786 else if (config_methods & WPS_CONFIG_KEYPAD)
1787 wpas_prov_disc_local_display(wpa_s, peer, "");
1788 else if (config_methods & WPS_CONFIG_PUSHBUTTON)
1789 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_RESP MACSTR,
1790 MAC2STR(peer));
a482883f
JM		 1791
1792 if (wpa_s->pending_pd_before_join &&
1793 (os_memcmp(peer, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 ||
1794 os_memcmp(peer, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
1795 wpa_s->pending_pd_before_join = 0;
1796 wpa_printf(MSG_DEBUG, "P2P: Starting pending "
1797 "join-existing-group operation");
1798 wpas_p2p_join_start(wpa_s);
1799 }
b22128ef
JM		 1800}
1801
1802
1803static u8 wpas_invitation_process(void *ctx, const u8 *sa, const u8 *bssid,
1804 const u8 *go_dev_addr, const u8 *ssid,
1805 size_t ssid_len, int *go, u8 *group_bssid,
1806 int *force_freq, int persistent_group)
1807{
1808 struct wpa_supplicant *wpa_s = ctx;
1809 struct wpa_ssid *s;
1810 u8 cur_bssid[ETH_ALEN];
1811 int res;
1812
1813 if (!persistent_group) {
1814 wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
1815 " to join an active group", MAC2STR(sa));
108def93 1816 if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) &&
131cb37c
JM		 1817 (os_memcmp(go_dev_addr, wpa_s->p2p_auth_invite, ETH_ALEN)
1818 == 0 ||
1819 os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0)) {
108def93
JM		 1820 wpa_printf(MSG_DEBUG, "P2P: Accept previously "
1821 "authorized invitation");
1822 goto accept_inv;
1823 }
b22128ef
JM		 1824 /*
1825 * Do not accept the invitation automatically; notify user and
1826 * request approval.
1827 */
1828 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
1829 }
1830
1831 if (!wpa_s->conf->persistent_reconnect)
1832 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
1833
1834 for (s = wpa_s->conf->ssid; s; s = s->next) {
1835 if (s->disabled == 2 &&
1836 os_memcmp(s->bssid, go_dev_addr, ETH_ALEN) == 0 &&
1837 s->ssid_len == ssid_len &&
1838 os_memcmp(ssid, s->ssid, ssid_len) == 0)
1839 break;
1840 }
1841
1842 if (!s) {
1843 wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
1844 " requested reinvocation of an unknown group",
1845 MAC2STR(sa));
1846 return P2P_SC_FAIL_UNKNOWN_GROUP;
1847 }
1848
1849 if (s->mode == WPAS_MODE_P2P_GO && !wpas_p2p_create_iface(wpa_s)) {
1850 *go = 1;
1851 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
1852 wpa_printf(MSG_DEBUG, "P2P: The only available "
1853 "interface is already in use - reject "
1854 "invitation");
1855 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
1856 }
1857 os_memcpy(group_bssid, wpa_s->own_addr, ETH_ALEN);
1858 } else if (s->mode == WPAS_MODE_P2P_GO) {
1859 *go = 1;
1860 if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO) < 0)
1861 {
1862 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
1863 "interface address for the group");
1864 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
1865 }
1866 os_memcpy(group_bssid, wpa_s->pending_interface_addr,
1867 ETH_ALEN);
1868 }
1869
108def93 1870accept_inv:
b22128ef
JM		 1871 if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, cur_bssid) == 0 &&
1872 wpa_s->assoc_freq) {
1873 wpa_printf(MSG_DEBUG, "P2P: Trying to force channel to match "
1874 "the channel we are already using");
1875 *force_freq = wpa_s->assoc_freq;
1876 }
1877
1878 res = wpa_drv_shared_freq(wpa_s);
1879 if (res > 0) {
1880 wpa_printf(MSG_DEBUG, "P2P: Trying to force channel to match "
1881 "with the channel we are already using on a "
1882 "shared interface");
1883 *force_freq = res;
1884 }
1885
1886 return P2P_SC_SUCCESS;
1887}
1888
1889
1890static void wpas_invitation_received(void *ctx, const u8 *sa, const u8 *bssid,
1891 const u8 *ssid, size_t ssid_len,
1892 const u8 *go_dev_addr, u8 status,
1893 int op_freq)
1894{
1895 struct wpa_supplicant *wpa_s = ctx;
1896 struct wpa_ssid *s;
1897
1898 for (s = wpa_s->conf->ssid; s; s = s->next) {
1899 if (s->disabled == 2 &&
1900 s->ssid_len == ssid_len &&
1901 os_memcmp(ssid, s->ssid, ssid_len) == 0)
1902 break;
1903 }
1904
1905 if (status == P2P_SC_SUCCESS) {
1906 wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
1907 " was accepted; op_freq=%d MHz",
1908 MAC2STR(sa), op_freq);
1909 if (s) {
1910 wpas_p2p_group_add_persistent(
1911 wpa_s, s, s->mode == WPAS_MODE_P2P_GO, 0);
2049af2b 1912 } else if (bssid) {
108def93
JM		 1913 wpas_p2p_join(wpa_s, bssid, go_dev_addr,
1914 wpa_s->p2p_wps_method);
b22128ef
JM		 1915 }
1916 return;
1917 }
1918
1919 if (status != P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
1920 wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
1921 " was rejected (status %u)", MAC2STR(sa), status);
1922 return;
1923 }
1924
1925 if (!s) {
1926 if (bssid) {
1927 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
1928 "sa=" MACSTR " go_dev_addr=" MACSTR
1929 " bssid=" MACSTR " unknown-network",
1930 MAC2STR(sa), MAC2STR(go_dev_addr),
1931 MAC2STR(bssid));
1932 } else {
1933 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
1934 "sa=" MACSTR " go_dev_addr=" MACSTR
1935 " unknown-network",
1936 MAC2STR(sa), MAC2STR(go_dev_addr));
1937 }
1938 return;
1939 }
1940
1941 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED "sa=" MACSTR
1942 " persistent=%d", MAC2STR(sa), s->id);
1943}
1944
1945
1946static void wpas_invitation_result(void *ctx, int status, const u8 *bssid)
1947{
1948 struct wpa_supplicant *wpa_s = ctx;
1949 struct wpa_ssid *ssid;
1950
1951 if (bssid) {
1952 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
1953 "status=%d " MACSTR,
1954 status, MAC2STR(bssid));
1955 } else {
1956 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
1957 "status=%d ", status);
1958 }
1959
706887fc
JM		 1960 if (wpa_s->pending_invite_ssid_id == -1)
1961 return; /* Invitation to active group */
1962
b22128ef
JM		 1963 if (status != P2P_SC_SUCCESS) {
1964 wpas_p2p_remove_pending_group_interface(wpa_s);
1965 return;
1966 }
1967
1968 ssid = wpa_config_get_network(wpa_s->conf,
1969 wpa_s->pending_invite_ssid_id);
1970 if (ssid == NULL) {
1971 wpa_printf(MSG_ERROR, "P2P: Could not find persistent group "
1972 "data matching with invitation");
1973 return;
1974 }
1975
1976 wpas_p2p_group_add_persistent(wpa_s, ssid,
1977 ssid->mode == WPAS_MODE_P2P_GO, 0);
1978}
1979
1980
ac8d1011
JM		 1981static int wpas_p2p_default_channels(struct wpa_supplicant *wpa_s,
1982 struct p2p_channels *chan)
1983{
1984 int i, cla = 0;
1985
1986 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for 2.4 GHz "
1987 "band");
1988
1989 /* Operating class 81 - 2.4 GHz band channels 1..13 */
1990 chan->reg_class[cla].reg_class = 81;
1991 chan->reg_class[cla].channels = 11;
1992 for (i = 0; i < 11; i++)
1993 chan->reg_class[cla].channel[i] = i + 1;
1994 cla++;
1995
1996 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for lower 5 GHz "
1997 "band");
1998
1999 /* Operating class 115 - 5 GHz, channels 36-48 */
2000 chan->reg_class[cla].reg_class = 115;
2001 chan->reg_class[cla].channels = 4;
2002 chan->reg_class[cla].channel[0] = 36;
2003 chan->reg_class[cla].channel[1] = 40;
2004 chan->reg_class[cla].channel[2] = 44;
2005 chan->reg_class[cla].channel[3] = 48;
2006 cla++;
2007
2008 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for higher 5 GHz "
2009 "band");
2010
2011 /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
2012 chan->reg_class[cla].reg_class = 124;
2013 chan->reg_class[cla].channels = 4;
2014 chan->reg_class[cla].channel[0] = 149;
2015 chan->reg_class[cla].channel[1] = 153;
2016 chan->reg_class[cla].channel[2] = 157;
2017 chan->reg_class[cla].channel[3] = 161;
2018 cla++;
2019
2020 chan->reg_classes = cla;
2021 return 0;
2022}
2023
2024
2025static struct hostapd_hw_modes * get_mode(struct hostapd_hw_modes *modes,
2026 u16 num_modes,
2027 enum hostapd_hw_mode mode)
2028{
2029 u16 i;
2030
2031 for (i = 0; i < num_modes; i++) {
2032 if (modes[i].mode == mode)
2033 return &modes[i];
2034 }
2035
2036 return NULL;
2037}
2038
2039
51222429 2040static int has_channel(struct hostapd_hw_modes *mode, u8 chan, int *flags)
ac8d1011
JM		 2041{
2042 int i;
2043
2044 for (i = 0; i < mode->num_channels; i++) {
2045 if (mode->channels[i].chan == chan) {
51222429
JM		 2046 if (flags)
2047 *flags = mode->channels[i].flag;
ac8d1011
JM		 2048 return !(mode->channels[i].flag &
2049 (HOSTAPD_CHAN_DISABLED |
2050 HOSTAPD_CHAN_PASSIVE_SCAN |
2051 HOSTAPD_CHAN_NO_IBSS |
2052 HOSTAPD_CHAN_RADAR));
2053 }
2054 }
2055
2056 return 0;
2057}
2058
2059
2060struct p2p_oper_class_map {
2061 enum hostapd_hw_mode mode;
2062 u8 op_class;
2063 u8 min_chan;
2064 u8 max_chan;
2065 u8 inc;
51222429 2066 enum { BW20, BW40PLUS, BW40MINUS } bw;
ac8d1011
JM		 2067};
2068
b22128ef 2069static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s,
ac8d1011 2070 struct p2p_channels *chan)
b22128ef 2071{
ac8d1011 2072 struct hostapd_hw_modes *modes, *mode;
b22128ef 2073 u16 num_modes, flags;
ac8d1011
JM		 2074 int cla, op;
2075 struct p2p_oper_class_map op_class[] = {
51222429
JM		 2076 { HOSTAPD_MODE_IEEE80211G, 81, 1, 13, 1, BW20 },
2077 { HOSTAPD_MODE_IEEE80211G, 82, 14, 14, 1, BW20 },
2078#if 0 /* Do not enable HT40 on 2 GHz for now */
2079 { HOSTAPD_MODE_IEEE80211G, 83, 1, 9, 1, BW40PLUS },
2080 { HOSTAPD_MODE_IEEE80211G, 84, 5, 13, 1, BW40MINUS },
ac8d1011 2081#endif
51222429
JM		 2082 { HOSTAPD_MODE_IEEE80211A, 115, 36, 48, 4, BW20 },
2083 { HOSTAPD_MODE_IEEE80211A, 124, 149, 161, 4, BW20 },
2084 { HOSTAPD_MODE_IEEE80211A, 116, 36, 44, 8, BW40PLUS },
2085 { HOSTAPD_MODE_IEEE80211A, 117, 40, 48, 8, BW40MINUS },
2086 { HOSTAPD_MODE_IEEE80211A, 126, 149, 157, 8, BW40PLUS },
2087 { HOSTAPD_MODE_IEEE80211A, 127, 153, 161, 8, BW40MINUS },
2088 { -1, 0, 0, 0, 0, BW20 }
ac8d1011 2089 };
b22128ef
JM		 2090
2091 modes = wpa_drv_get_hw_feature_data(wpa_s, &num_modes, &flags);
2092 if (modes == NULL) {
2093 wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching "
2094 "of all supported channels; assume dualband "
2095 "support");
ac8d1011 2096 return wpas_p2p_default_channels(wpa_s, chan);
b22128ef
JM		 2097 }
2098
2099 cla = 0;
2100
ac8d1011
JM		 2101 for (op = 0; op_class[op].op_class; op++) {
2102 struct p2p_oper_class_map *o = &op_class[op];
2103 u8 ch;
2104 struct p2p_reg_class *reg = NULL;
b22128ef 2105
ac8d1011
JM		 2106 mode = get_mode(modes, num_modes, o->mode);
2107 if (mode == NULL)
2108 continue;
2109 for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
51222429
JM		 2110 int flag;
2111 if (!has_channel(mode, ch, &flag))
2112 continue;
2113 if (o->bw == BW40MINUS &&
2114 (!(flag & HOSTAPD_CHAN_HT40MINUS) ||
5254eb7e 2115 !has_channel(mode, ch - 4, NULL)))
51222429
JM		 2116 continue;
2117 if (o->bw == BW40PLUS &&
2118 (!(flag & HOSTAPD_CHAN_HT40PLUS) ||
5254eb7e 2119 !has_channel(mode, ch + 4, NULL)))
ac8d1011
JM		 2120 continue;
2121 if (reg == NULL) {
2122 wpa_printf(MSG_DEBUG, "P2P: Add operating "
2123 "class %u", o->op_class);
2124 reg = &chan->reg_class[cla];
2125 cla++;
2126 reg->reg_class = o->op_class;
2127 }
2128 reg->channel[reg->channels] = ch;
2129 reg->channels++;
2130 }
2131 if (reg) {
2132 wpa_hexdump(MSG_DEBUG, "P2P: Channels",
2133 reg->channel, reg->channels);
2134 }
b22128ef
JM		 2135 }
2136
ac8d1011 2137 chan->reg_classes = cla;
b22128ef 2138
ac8d1011 2139 ieee80211_sta_free_hw_features(modes, num_modes);
b22128ef
JM		 2140
2141 return 0;
2142}
2143
2144
2145static int wpas_get_noa(void *ctx, const u8 *interface_addr, u8 *buf,
2146 size_t buf_len)
2147{
2148 struct wpa_supplicant *wpa_s = ctx;
2149
2150 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2151 if (os_memcmp(wpa_s->own_addr, interface_addr, ETH_ALEN) == 0)
2152 break;
2153 }
2154 if (wpa_s == NULL)
2155 return -1;
2156
2157 return wpa_drv_get_noa(wpa_s, buf, buf_len);
2158}
2159
2160
2161/**
2162 * wpas_p2p_init - Initialize P2P module for %wpa_supplicant
2163 * @global: Pointer to global data from wpa_supplicant_init()
2164 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2165 * Returns: 0 on success, -1 on failure
2166 */
2167int wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s)
2168{
2169 struct p2p_config p2p;
2170 unsigned int r;
2171 int i;
2172
2173 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
2174 return 0;
2175
2176#ifdef CONFIG_CLIENT_MLME
2177 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)) {
2178 wpa_s->mlme.public_action_cb = p2p_rx_action_mlme;
2179 wpa_s->mlme.public_action_cb_ctx = wpa_s;
2180 }
2181#endif /* CONFIG_CLIENT_MLME */
2182
2183 if (wpa_drv_disable_11b_rates(wpa_s, 1) < 0) {
2184 wpa_printf(MSG_DEBUG, "P2P: Failed to disable 11b rates");
2185 /* Continue anyway; this is not really a fatal error */
2186 }
2187
2188 if (global->p2p)
2189 return 0;
2190
2191 os_memset(&p2p, 0, sizeof(p2p));
2192 p2p.msg_ctx = wpa_s;
2193 p2p.cb_ctx = wpa_s;
2194 p2p.p2p_scan = wpas_p2p_scan;
2195 p2p.send_action = wpas_send_action;
2196 p2p.send_action_done = wpas_send_action_done;
2197 p2p.go_neg_completed = wpas_go_neg_completed;
2198 p2p.go_neg_req_rx = wpas_go_neg_req_rx;
2199 p2p.dev_found = wpas_dev_found;
2200 p2p.start_listen = wpas_start_listen;
2201 p2p.stop_listen = wpas_stop_listen;
2202 p2p.send_probe_resp = wpas_send_probe_resp;
2203 p2p.sd_request = wpas_sd_request;
2204 p2p.sd_response = wpas_sd_response;
2205 p2p.prov_disc_req = wpas_prov_disc_req;
2206 p2p.prov_disc_resp = wpas_prov_disc_resp;
2207 p2p.invitation_process = wpas_invitation_process;
2208 p2p.invitation_received = wpas_invitation_received;
2209 p2p.invitation_result = wpas_invitation_result;
2210 p2p.get_noa = wpas_get_noa;
2211
2212 os_memcpy(wpa_s->global->p2p_dev_addr, wpa_s->own_addr, ETH_ALEN);
2213 os_memcpy(p2p.dev_addr, wpa_s->own_addr, ETH_ALEN);
2214 p2p.dev_name = wpa_s->conf->device_name;
2215
2216 if (wpa_s->conf->p2p_listen_reg_class &&
2217 wpa_s->conf->p2p_listen_channel) {
2218 p2p.reg_class = wpa_s->conf->p2p_listen_reg_class;
2219 p2p.channel = wpa_s->conf->p2p_listen_channel;
2220 } else {
2221 p2p.reg_class = 81;
2222 /*
2223 * Pick one of the social channels randomly as the listen
2224 * channel.
2225 */
2226 os_get_random((u8 *) &r, sizeof(r));
2227 p2p.channel = 1 + (r % 3) * 5;
2228 }
7cfc4ac3 2229 wpa_printf(MSG_DEBUG, "P2P: Own listen channel: %d", p2p.channel);
b22128ef
JM		 2230
2231 if (wpa_s->conf->p2p_oper_reg_class &&
2232 wpa_s->conf->p2p_oper_channel) {
2233 p2p.op_reg_class = wpa_s->conf->p2p_oper_reg_class;
2234 p2p.op_channel = wpa_s->conf->p2p_oper_channel;
7cfc4ac3
AGS		 2235 p2p.cfg_op_channel = 1;
2236 wpa_printf(MSG_DEBUG, "P2P: Configured operating channel: "
2237 "%d:%d", p2p.op_reg_class, p2p.op_channel);
2238
b22128ef
JM		 2239 } else {
2240 p2p.op_reg_class = 81;
2241 /*
7cfc4ac3
AGS		 2242 * Use random operation channel from (1, 6, 11) if no other
2243 * preference is indicated.
b22128ef 2244 */
b7412dab 2245 os_get_random((u8 *) &r, sizeof(r));
7cfc4ac3
AGS		 2246 p2p.op_channel = 1 + (r % 3) * 5;
2247 p2p.cfg_op_channel = 0;
2248 wpa_printf(MSG_DEBUG, "P2P: Random operating channel: "
2249 "%d:%d", p2p.op_reg_class, p2p.op_channel);
b22128ef 2250 }
b22128ef
JM		 2251 if (wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
2252 os_memcpy(p2p.country, wpa_s->conf->country, 2);
2253 p2p.country[2] = 0x04;
2254 } else
aaca6505 2255 os_memcpy(p2p.country, "XX\x04", 3);
b22128ef 2256
ac8d1011 2257 if (wpas_p2p_setup_channels(wpa_s, &p2p.channels)) {
b22128ef
JM		 2258 wpa_printf(MSG_ERROR, "P2P: Failed to configure supported "
2259 "channel list");
2260 return -1;
2261 }
2262
2263 if (wpa_s->conf->device_type &&
2264 wps_dev_type_str2bin(wpa_s->conf->device_type, p2p.pri_dev_type) <
2265 0) {
2266 wpa_printf(MSG_ERROR, "P2P: Invalid device_type");
2267 return -1;
2268 }
2269
2270 for (i = 0; i < MAX_SEC_DEVICE_TYPES; i++) {
2271 if (wpa_s->conf->sec_device_type[i] == NULL)
2272 continue;
2273 if (wps_dev_type_str2bin(
2274 wpa_s->conf->sec_device_type[i],
2275 p2p.sec_dev_type[p2p.num_sec_dev_types]) < 0) {
2276 wpa_printf(MSG_ERROR, "P2P: Invalid sec_device_type");
2277 return -1;
2278 }
2279 p2p.num_sec_dev_types++;
2280 if (p2p.num_sec_dev_types == P2P_SEC_DEVICE_TYPES)
2281 break;
2282 }
2283
2284 p2p.concurrent_operations = !!(wpa_s->drv_flags &
2285 WPA_DRIVER_FLAGS_P2P_CONCURRENT);
2286
de979d8f 2287 p2p.max_peers = 100;
b22128ef
JM		 2288
2289 if (wpa_s->conf->p2p_ssid_postfix) {
2290 p2p.ssid_postfix_len =
2291 os_strlen(wpa_s->conf->p2p_ssid_postfix);
2292 if (p2p.ssid_postfix_len > sizeof(p2p.ssid_postfix))
2293 p2p.ssid_postfix_len = sizeof(p2p.ssid_postfix);
2294 os_memcpy(p2p.ssid_postfix, wpa_s->conf->p2p_ssid_postfix,
2295 p2p.ssid_postfix_len);
2296 }
2297
0f66abd2
SS		 2298 p2p.p2p_intra_bss = wpa_s->conf->p2p_intra_bss;
2299
b22128ef
JM		 2300 global->p2p = p2p_init(&p2p);
2301 if (global->p2p == NULL)
2302 return -1;
2303
2304 return 0;
2305}
2306
2307
2308/**
2309 * wpas_p2p_deinit - Deinitialize per-interface P2P data
2310 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2311 *
2312 * This function deinitialize per-interface P2P data.
2313 */
2314void wpas_p2p_deinit(struct wpa_supplicant *wpa_s)
2315{
2316 if (wpa_s->driver && wpa_s->drv_priv)
2317 wpa_drv_probe_req_report(wpa_s, 0);
2318 os_free(wpa_s->go_params);
2319 wpa_s->go_params = NULL;
2320 wpabuf_free(wpa_s->pending_action_tx);
2321 wpa_s->pending_action_tx = NULL;
2322 eloop_cancel_timeout(wpas_send_action_cb, wpa_s, NULL);
2323 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
ef922c4a 2324 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
b22128ef
JM		 2325 wpa_s->p2p_long_listen = 0;
2326 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
3071e181 2327 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
b22128ef
JM		 2328 wpas_p2p_remove_pending_group_interface(wpa_s);
2329
2330 /* TODO: remove group interface from the driver if this wpa_s instance
2331 * is on top of a P2P group interface */
2332}
2333
2334
2335/**
2336 * wpas_p2p_deinit_global - Deinitialize global P2P module
2337 * @global: Pointer to global data from wpa_supplicant_init()
2338 *
2339 * This function deinitializes the global (per device) P2P module.
2340 */
2341void wpas_p2p_deinit_global(struct wpa_global *global)
2342{
2343 struct wpa_supplicant *wpa_s, *tmp;
2344 char *ifname;
2345
2346 if (global->p2p == NULL)
2347 return;
2348
2349 /* Remove remaining P2P group interfaces */
2350 wpa_s = global->ifaces;
2a43101e
JM		 2351 if (wpa_s)
2352 wpas_p2p_service_flush(wpa_s);
b22128ef
JM		 2353 while (wpa_s && wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE)
2354 wpa_s = wpa_s->next;
2355 while (wpa_s) {
2356 enum wpa_driver_if_type type;
2357 tmp = global->ifaces;
2358 while (tmp &&
2359 (tmp == wpa_s ||
2360 tmp->p2p_group_interface == NOT_P2P_GROUP_INTERFACE)) {
2361 tmp = tmp->next;
2362 }
2363 if (tmp == NULL)
2364 break;
2365 ifname = os_strdup(tmp->ifname);
2366 type = wpas_p2p_if_type(tmp->p2p_group_interface);
2367 wpa_supplicant_remove_iface(global, tmp);
2368 if (ifname)
2369 wpa_drv_if_remove(wpa_s, type, ifname);
2370 os_free(ifname);
2371 }
2372
743ef799
JM		 2373 /*
2374 * Deinit GO data on any possibly remaining interface (if main
2375 * interface is used as GO).
2376 */
2377 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2378 if (wpa_s->ap_iface)
2379 wpas_p2p_group_deinit(wpa_s);
2380 }
2381
b22128ef
JM		 2382 p2p_deinit(global->p2p);
2383 global->p2p = NULL;
2384}
2385
2386
2387static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s)
2388{
2389 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)
2390 return 1; /* P2P group requires a new interface in every case
2391 */
2392 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CONCURRENT))
2393 return 0; /* driver does not support concurrent operations */
2394 if (wpa_s->global->ifaces->next)
2395 return 1; /* more that one interface already in use */
2396 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2397 return 1; /* this interface is already in use */
2398 return 0;
2399}
2400
2401
2402static int wpas_p2p_start_go_neg(struct wpa_supplicant *wpa_s,
2403 const u8 *peer_addr,
2404 enum p2p_wps_method wps_method,
2405 int go_intent, const u8 *own_interface_addr,
2406 unsigned int force_freq, int persistent_group)
2407{
2408 return p2p_connect(wpa_s->global->p2p, peer_addr, wps_method,
2409 go_intent, own_interface_addr, force_freq,
2410 persistent_group);
2411}
2412
2413
2414static int wpas_p2p_auth_go_neg(struct wpa_supplicant *wpa_s,
2415 const u8 *peer_addr,
2416 enum p2p_wps_method wps_method,
2417 int go_intent, const u8 *own_interface_addr,
2418 unsigned int force_freq, int persistent_group)
2419{
2420 return p2p_authorize(wpa_s->global->p2p, peer_addr, wps_method,
2421 go_intent, own_interface_addr, force_freq,
2422 persistent_group);
2423}
2424
2425
9b1ab931
JM		 2426static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant *wpa_s)
2427{
2428 wpa_s->p2p_join_scan_count++;
2429 wpa_printf(MSG_DEBUG, "P2P: Join scan attempt %d",
2430 wpa_s->p2p_join_scan_count);
2431 if (wpa_s->p2p_join_scan_count > P2P_MAX_JOIN_SCAN_ATTEMPTS) {
2432 wpa_printf(MSG_DEBUG, "P2P: Failed to find GO " MACSTR
2433 " for join operationg - stop join attempt",
2434 MAC2STR(wpa_s->pending_join_iface_addr));
2435 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
2436 wpa_msg(wpa_s->parent, MSG_INFO,
2437 P2P_EVENT_GROUP_FORMATION_FAILURE);
2438 }
2439}
2440
2441
ef922c4a
JM		 2442static void wpas_p2p_scan_res_join(struct wpa_supplicant *wpa_s,
2443 struct wpa_scan_results *scan_res)
b22128ef
JM		 2444{
2445 struct wpa_bss *bss;
f8d0131a 2446 int freq;
54960629 2447 u8 iface_addr[ETH_ALEN];
b22128ef 2448
ef922c4a 2449 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
b22128ef 2450
ef922c4a
JM		 2451 if (wpa_s->global->p2p_disabled)
2452 return;
b22128ef 2453
ef922c4a
JM		 2454 wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS) for join",
2455 scan_res ? (int) scan_res->num : -1);
2456
2457 if (scan_res)
2458 wpas_p2p_scan_res_handler(wpa_s, scan_res);
b22128ef 2459
f8d0131a
JM		 2460 freq = p2p_get_oper_freq(wpa_s->global->p2p,
2461 wpa_s->pending_join_iface_addr);
54960629
AL		 2462 if (freq < 0 &&
2463 p2p_get_interface_addr(wpa_s->global->p2p,
2464 wpa_s->pending_join_dev_addr,
2465 iface_addr) == 0 &&
2466 os_memcmp(iface_addr, wpa_s->pending_join_dev_addr, ETH_ALEN) != 0)
2467 {
2468 wpa_printf(MSG_DEBUG, "P2P: Overwrite pending interface "
2469 "address for join from " MACSTR " to " MACSTR
2470 " based on newly discovered P2P peer entry",
2471 MAC2STR(wpa_s->pending_join_iface_addr),
2472 MAC2STR(iface_addr));
2473 os_memcpy(wpa_s->pending_join_iface_addr, iface_addr,
2474 ETH_ALEN);
2475
2476 freq = p2p_get_oper_freq(wpa_s->global->p2p,
2477 wpa_s->pending_join_iface_addr);
2478 }
f8d0131a
JM		 2479 if (freq >= 0) {
2480 wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency "
2481 "from P2P peer table: %d MHz", freq);
2482 }
ef922c4a 2483 bss = wpa_bss_get_bssid(wpa_s, wpa_s->pending_join_iface_addr);
b22128ef 2484 if (bss) {
f8d0131a
JM		 2485 freq = bss->freq;
2486 wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency "
2487 "from BSS table: %d MHz", freq);
2488 }
2489 if (freq > 0) {
b22128ef
JM		 2490 u16 method;
2491
2492 wpa_printf(MSG_DEBUG, "P2P: Send Provision Discovery Request "
2493 "prior to joining an existing group (GO " MACSTR
2494 " freq=%u MHz)",
f8d0131a 2495 MAC2STR(wpa_s->pending_join_dev_addr), freq);
b22128ef
JM		 2496 wpa_s->pending_pd_before_join = 1;
2497
ef922c4a 2498 switch (wpa_s->pending_join_wps_method) {
b22128ef
JM		 2499 case WPS_PIN_LABEL:
2500 case WPS_PIN_DISPLAY:
2501 method = WPS_CONFIG_KEYPAD;
2502 break;
2503 case WPS_PIN_KEYPAD:
2504 method = WPS_CONFIG_DISPLAY;
2505 break;
2506 case WPS_PBC:
2507 method = WPS_CONFIG_PUSHBUTTON;
2508 break;
2509 default:
2510 method = 0;
2511 break;
2512 }
2513
ef922c4a
JM		 2514 if (p2p_prov_disc_req(wpa_s->global->p2p,
2515 wpa_s->pending_join_dev_addr, method, 1)
b22128ef
JM		 2516 < 0) {
2517 wpa_printf(MSG_DEBUG, "P2P: Failed to send Provision "
2518 "Discovery Request before joining an "
2519 "existing group");
2520 wpa_s->pending_pd_before_join = 0;
2521 goto start;
2522 }
2523
2524 /*
2525 * Actual join operation will be started from the Action frame
2526 * TX status callback.
2527 */
ef922c4a 2528 return;
b22128ef
JM		 2529 }
2530
9b1ab931
JM		 2531 wpa_printf(MSG_DEBUG, "P2P: Failed to find BSS/GO - try again later");
2532 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
2533 eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL);
2534 wpas_p2p_check_join_scan_limit(wpa_s);
2535 return;
b22128ef
JM		 2536
2537start:
2538 /* Start join operation immediately */
ef922c4a
JM		 2539 wpas_p2p_join_start(wpa_s);
2540}
2541
2542
2543static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx)
2544{
2545 struct wpa_supplicant *wpa_s = eloop_ctx;
2546 int ret;
2547 struct wpa_driver_scan_params params;
2548 struct wpabuf *wps_ie, *ies;
2549
2550 os_memset(&params, 0, sizeof(params));
2551
2552 /* P2P Wildcard SSID */
2553 params.num_ssids = 1;
2554 params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID;
2555 params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN;
2556
2557 wpa_s->wps->dev.p2p = 1;
2558 wps_ie = wps_build_probe_req_ie(0, &wpa_s->wps->dev, wpa_s->wps->uuid,
2559 WPS_REQ_ENROLLEE);
2560 if (wps_ie == NULL) {
2561 wpas_p2p_scan_res_join(wpa_s, NULL);
2562 return;
2563 }
2564
2565 ies = wpabuf_alloc(wpabuf_len(wps_ie) + 100);
2566 if (ies == NULL) {
2567 wpabuf_free(wps_ie);
2568 wpas_p2p_scan_res_join(wpa_s, NULL);
2569 return;
2570 }
2571 wpabuf_put_buf(ies, wps_ie);
2572 wpabuf_free(wps_ie);
2573
2574 p2p_scan_ie(wpa_s->global->p2p, ies);
2575
2576 params.extra_ies = wpabuf_head(ies);
2577 params.extra_ies_len = wpabuf_len(ies);
2578
2579 /*
2580 * Run a scan to update BSS table and start Provision Discovery once
2581 * the new scan results become available.
2582 */
2583 wpa_s->scan_res_handler = wpas_p2p_scan_res_join;
2584 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
2585 ret = ieee80211_sta_req_scan(wpa_s, &params);
2586 else
2587 ret = wpa_drv_scan(wpa_s, &params);
2588
2589 wpabuf_free(ies);
2590
2591 if (ret) {
2592 wpa_printf(MSG_DEBUG, "P2P: Failed to start scan for join - "
2593 "try again later");
2594 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
2595 eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL);
9b1ab931 2596 wpas_p2p_check_join_scan_limit(wpa_s);
ef922c4a
JM		 2597 }
2598}
2599
2600
2601static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr,
2602 const u8 *dev_addr, enum p2p_wps_method wps_method)
2603{
2604 wpa_printf(MSG_DEBUG, "P2P: Request to join existing group (iface "
2605 MACSTR " dev " MACSTR ")",
2606 MAC2STR(iface_addr), MAC2STR(dev_addr));
2607
2608 os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, ETH_ALEN);
2609 os_memcpy(wpa_s->pending_join_dev_addr, dev_addr, ETH_ALEN);
2610 wpa_s->pending_join_wps_method = wps_method;
2611
2612 /* Make sure we are not running find during connection establishment */
2613 wpas_p2p_stop_find(wpa_s);
2614
9b1ab931 2615 wpa_s->p2p_join_scan_count = 0;
ef922c4a
JM		 2616 wpas_p2p_join_scan(wpa_s, NULL);
2617 return 0;
b22128ef
JM		 2618}
2619
2620
2621static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s)
2622{
2623 struct wpa_supplicant *group;
2624 struct p2p_go_neg_results res;
2625
2626 group = wpas_p2p_get_group_iface(wpa_s, 0, 0);
2627 if (group == NULL)
2628 return -1;
3c5126a4 2629 if (group != wpa_s) {
b22128ef
JM		 2630 os_memcpy(group->p2p_pin, wpa_s->p2p_pin,
2631 sizeof(group->p2p_pin));
3c5126a4
JM		 2632 group->p2p_wps_method = wpa_s->p2p_wps_method;
2633 }
b22128ef
JM		 2634
2635 group->p2p_in_provisioning = 1;
2636
2637 os_memset(&res, 0, sizeof(res));
2638 os_memcpy(res.peer_interface_addr, wpa_s->pending_join_iface_addr,
2639 ETH_ALEN);
2640 res.wps_method = wpa_s->pending_join_wps_method;
2641 wpas_start_wps_enrollee(group, &res);
2642
3094d483
JM		 2643 /*
2644 * Allow a longer timeout for join-a-running-group than normal 15
2645 * second group formation timeout since the GO may not have authorized
2646 * our connection yet.
2647 */
2648 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
2649 eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout,
2650 wpa_s, NULL);
2651
b22128ef
JM		 2652 return 0;
2653}
2654
2655
2656/**
2657 * wpas_p2p_connect - Request P2P Group Formation to be started
2658 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2659 * @peer_addr: Address of the peer P2P Device
2660 * @pin: PIN to use during provisioning or %NULL to indicate PBC mode
2661 * @persistent_group: Whether to create a persistent group
2662 * @join: Whether to join an existing group (as a client) instead of starting
2663 * Group Owner negotiation; @peer_addr is BSSID in that case
2664 * @auth: Whether to only authorize the connection instead of doing that and
2665 * initiating Group Owner negotiation
2666 * @go_intent: GO Intent or -1 to use default
2667 * @freq: Frequency for the group or 0 for auto-selection
d054a462
JM		 2668 * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified
2669 * failure, -2 on failure due to channel not currently available,
2670 * -3 if forced channel is not supported
b22128ef
JM		 2671 */
2672int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
2673 const char *pin, enum p2p_wps_method wps_method,
2674 int persistent_group, int join, int auth, int go_intent,
2675 int freq)
2676{
d054a462 2677 int force_freq = 0, oper_freq = 0;
b22128ef
JM		 2678 u8 bssid[ETH_ALEN];
2679 int ret = 0;
2680 enum wpa_driver_if_type iftype;
2681
2682 if (go_intent < 0)
2683 go_intent = wpa_s->conf->p2p_go_intent;
2684
2685 if (!auth)
2686 wpa_s->p2p_long_listen = 0;
2687
3c5126a4
JM		 2688 wpa_s->p2p_wps_method = wps_method;
2689
b22128ef
JM		 2690 if (pin)
2691 os_strlcpy(wpa_s->p2p_pin, pin, sizeof(wpa_s->p2p_pin));
2692 else if (wps_method == WPS_PIN_DISPLAY) {
2693 ret = wps_generate_pin();
2694 os_snprintf(wpa_s->p2p_pin, sizeof(wpa_s->p2p_pin), "%08d",
2695 ret);
2696 wpa_printf(MSG_DEBUG, "P2P: Randomly generated PIN: %s",
2697 wpa_s->p2p_pin);
2698 } else
2699 wpa_s->p2p_pin[0] = '\0';
2700
2701 if (join) {
4147a2cc 2702 u8 iface_addr[ETH_ALEN], dev_addr[ETH_ALEN];
108def93
JM		 2703 if (auth) {
2704 wpa_printf(MSG_DEBUG, "P2P: Authorize invitation to "
2705 "connect a running group from " MACSTR,
2706 MAC2STR(peer_addr));
2707 os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN);
2708 return ret;
2709 }
4147a2cc 2710 os_memcpy(dev_addr, peer_addr, ETH_ALEN);
b22128ef 2711 if (p2p_get_interface_addr(wpa_s->global->p2p, peer_addr,
4147a2cc 2712 iface_addr) < 0) {
b22128ef 2713 os_memcpy(iface_addr, peer_addr, ETH_ALEN);
4147a2cc
JM		 2714 p2p_get_dev_addr(wpa_s->global->p2p, peer_addr,
2715 dev_addr);
2716 }
2717 if (wpas_p2p_join(wpa_s, iface_addr, dev_addr, wps_method) <
b22128ef
JM		 2718 0)
2719 return -1;
2720 return ret;
2721 }
2722
d054a462
JM		 2723 if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
2724 wpa_s->assoc_freq)
2725 oper_freq = wpa_s->assoc_freq;
b22128ef 2726 else {
d054a462
JM		 2727 oper_freq = wpa_drv_shared_freq(wpa_s);
2728 if (oper_freq < 0)
2729 oper_freq = 0;
b22128ef
JM		 2730 }
2731
d054a462
JM		 2732 if (freq > 0) {
2733 if (!p2p_supported_freq(wpa_s->global->p2p, freq)) {
2734 wpa_printf(MSG_DEBUG, "P2P: The forced channel "
2735 "(%u MHz) is not supported for P2P uses",
2736 freq);
2737 return -3;
2738 }
2739
2740 if (oper_freq > 0 && freq != oper_freq &&
2741 !(wpa_s->drv_flags &
2742 WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) {
2743 wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group "
2744 "on %u MHz while connected on another "
2745 "channel (%u MHz)", freq, oper_freq);
2746 return -2;
2747 }
2748 wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the "
2749 "requested channel (%u MHz)", freq);
2750 force_freq = freq;
2751 } else if (oper_freq > 0 &&
2752 !p2p_supported_freq(wpa_s->global->p2p, oper_freq)) {
2753 if (!(wpa_s->drv_flags &
2754 WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) {
2755 wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group "
2756 "while connected on non-P2P supported "
2757 "channel (%u MHz)", oper_freq);
2758 return -2;
2759 }
2760 wpa_printf(MSG_DEBUG, "P2P: Current operating channel "
2761 "(%u MHz) not available for P2P - try to use "
2762 "another channel", oper_freq);
2763 force_freq = 0;
2764 } else if (oper_freq > 0) {
b22128ef
JM		 2765 wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the "
2766 "channel we are already using (%u MHz) on another "
d054a462
JM		 2767 "interface", oper_freq);
2768 force_freq = oper_freq;
b22128ef
JM		 2769 }
2770
2771 wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
2772
2773 if (!wpa_s->create_p2p_iface) {
2774 if (auth) {
2775 if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method,
2776 go_intent, wpa_s->own_addr,
2777 force_freq, persistent_group)
2778 < 0)
2779 return -1;
2780 return ret;
2781 }
2782 if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method,
2783 go_intent, wpa_s->own_addr,
2784 force_freq, persistent_group) < 0)
2785 return -1;
2786 return ret;
2787 }
2788
2789 /* Prepare to add a new interface for the group */
2790 iftype = WPA_IF_P2P_GROUP;
2791 if (join)
2792 iftype = WPA_IF_P2P_CLIENT;
2793 else if (go_intent == 15)
2794 iftype = WPA_IF_P2P_GO;
2795 if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) {
2796 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
2797 "interface for the group");
2798 return -1;
2799 }
2800
2801 if (auth) {
2802 if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method,
2803 go_intent,
2804 wpa_s->pending_interface_addr,
2805 force_freq, persistent_group) < 0)
2806 return -1;
2807 return ret;
2808 }
2809 if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method, go_intent,
2810 wpa_s->pending_interface_addr,
2811 force_freq, persistent_group) < 0) {
2812 wpas_p2p_remove_pending_group_interface(wpa_s);
2813 return -1;
2814 }
2815 return ret;
2816}
2817
2818
2819/**
2820 * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start
2821 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2822 * @freq: Frequency of the channel in MHz
2823 * @duration: Duration of the stay on the channel in milliseconds
2824 *
2825 * This callback is called when the driver indicates that it has started the
2826 * requested remain-on-channel duration.
2827 */
2828void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
2829 unsigned int freq, unsigned int duration)
2830{
07a30a66 2831 wpa_s->roc_waiting_drv_freq = 0;
b22128ef
JM		 2832 wpa_s->off_channel_freq = freq;
2833 wpas_send_action_cb(wpa_s, NULL);
2834 if (wpa_s->off_channel_freq == wpa_s->pending_listen_freq) {
2835 p2p_listen_cb(wpa_s->global->p2p, wpa_s->pending_listen_freq,
2836 wpa_s->pending_listen_duration);
2837 wpa_s->pending_listen_freq = 0;
2838 }
2839}
2840
2841
2842static int wpas_p2p_listen_start(struct wpa_supplicant *wpa_s,
2843 unsigned int timeout)
2844{
2845 /* Limit maximum Listen state time based on driver limitation. */
2846 if (timeout > wpa_s->max_remain_on_chan)
2847 timeout = wpa_s->max_remain_on_chan;
2848
2849 return p2p_listen(wpa_s->global->p2p, timeout);
2850}
2851
2852
2853/**
2854 * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout
2855 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2856 * @freq: Frequency of the channel in MHz
2857 *
2858 * This callback is called when the driver indicates that a remain-on-channel
2859 * operation has been completed, i.e., the duration on the requested channel
2860 * has timed out.
2861 */
2862void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
2863 unsigned int freq)
2864{
1cc3a29d
JM		 2865 wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel callback "
2866 "(p2p_long_listen=%d pending_action_tx=%p)",
2867 wpa_s->p2p_long_listen, wpa_s->pending_action_tx);
b22128ef
JM		 2868 wpa_s->off_channel_freq = 0;
2869 if (p2p_listen_end(wpa_s->global->p2p, freq) > 0)
2870 return; /* P2P module started a new operation */
2871 if (wpa_s->pending_action_tx)
2872 return;
2873 if (wpa_s->p2p_long_listen > 0)
2874 wpa_s->p2p_long_listen -= 5;
2875 if (wpa_s->p2p_long_listen > 0) {
2876 wpa_printf(MSG_DEBUG, "P2P: Continuing long Listen state");
2877 wpas_p2p_listen_start(wpa_s, wpa_s->p2p_long_listen * 1000);
2878 }
2879}
2880
2881
2882/**
2883 * wpas_p2p_group_remove - Remove a P2P group
2884 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2885 * @ifname: Network interface name of the group interface or "*" to remove all
2886 * groups
2887 * Returns: 0 on success, -1 on failure
2888 *
2889 * This function is used to remove a P2P group. This can be used to disconnect
2890 * from a group in which the local end is a P2P Client or to end a P2P Group in
2891 * case the local end is the Group Owner. If a virtual network interface was
2892 * created for this group, that interface will be removed. Otherwise, only the
2893 * configured P2P group network will be removed from the interface.
2894 */
2895int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname)
2896{
2897 struct wpa_global *global = wpa_s->global;
2898
2899 if (os_strcmp(ifname, "*") == 0) {
2900 struct wpa_supplicant *prev;
2901 wpa_s = global->ifaces;
2902 while (wpa_s) {
2903 prev = wpa_s;
2904 wpa_s = wpa_s->next;
58e54293 2905 prev->removal_reason = P2P_GROUP_REMOVAL_REQUESTED;
b22128ef
JM		 2906 wpas_p2p_group_delete(prev);
2907 }
2908 return 0;
2909 }
2910
2911 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2912 if (os_strcmp(wpa_s->ifname, ifname) == 0)
2913 break;
2914 }
2915
2916 if (wpa_s == NULL)
2917 return -1;
2918
3071e181 2919 wpa_s->removal_reason = P2P_GROUP_REMOVAL_REQUESTED;
b22128ef
JM		 2920 wpas_p2p_group_delete(wpa_s);
2921
2922 return 0;
2923}
2924
2925
2926static void wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s,
2927 struct p2p_go_neg_results *params,
2928 int freq)
2929{
2930 u8 bssid[ETH_ALEN];
2931 int res;
2932
2933 os_memset(params, 0, sizeof(*params));
2934 params->role_go = 1;
7cfc4ac3
AGS		 2935 if (freq) {
2936 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on forced "
2937 "frequency %d MHz", freq);
b22128ef 2938 params->freq = freq;
7cfc4ac3
AGS		 2939 } else if (wpa_s->conf->p2p_oper_reg_class == 81 &&
2940 wpa_s->conf->p2p_oper_channel >= 1 &&
2941 wpa_s->conf->p2p_oper_channel <= 11) {
b22128ef 2942 params->freq = 2407 + 5 * wpa_s->conf->p2p_oper_channel;
7cfc4ac3
AGS		 2943 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured "
2944 "frequency %d MHz", params->freq);
2945 } else if (wpa_s->conf->p2p_oper_reg_class == 115 ||
2946 wpa_s->conf->p2p_oper_reg_class == 118) {
b22128ef 2947 params->freq = 5000 + 5 * wpa_s->conf->p2p_oper_channel;
7cfc4ac3
AGS		 2948 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured "
2949 "frequency %d MHz", params->freq);
2950 } else if (wpa_s->conf->p2p_oper_channel == 0 &&
2951 wpa_s->best_overall_freq > 0 &&
2952 p2p_supported_freq(wpa_s->global->p2p,
2953 wpa_s->best_overall_freq)) {
2954 params->freq = wpa_s->best_overall_freq;
2955 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best overall "
2956 "channel %d MHz", params->freq);
2957 } else if (wpa_s->conf->p2p_oper_channel == 0 &&
2958 wpa_s->best_24_freq > 0 &&
2959 p2p_supported_freq(wpa_s->global->p2p,
2960 wpa_s->best_24_freq)) {
2961 params->freq = wpa_s->best_24_freq;
2962 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 2.4 GHz "
2963 "channel %d MHz", params->freq);
2964 } else if (wpa_s->conf->p2p_oper_channel == 0 &&
2965 wpa_s->best_5_freq > 0 &&
2966 p2p_supported_freq(wpa_s->global->p2p,
2967 wpa_s->best_5_freq)) {
2968 params->freq = wpa_s->best_5_freq;
2969 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 5 GHz "
2970 "channel %d MHz", params->freq);
2971 } else {
2972 params->freq = 2412;
2973 wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz (no preference "
2974 "known)", params->freq);
2975 }
2976
b22128ef
JM		 2977 if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
2978 wpa_s->assoc_freq && !freq) {
2979 wpa_printf(MSG_DEBUG, "P2P: Force GO on the channel we are "
2980 "already using");
2981 params->freq = wpa_s->assoc_freq;
2982 }
2983
2984 res = wpa_drv_shared_freq(wpa_s);
2985 if (res > 0 && !freq) {
2986 wpa_printf(MSG_DEBUG, "P2P: Force GO on the channel we are "
2987 "already using on a shared interface");
2988 params->freq = res;
2989 }
2990}
2991
2992
2993static struct wpa_supplicant *
2994wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
2995 int go)
2996{
2997 struct wpa_supplicant *group_wpa_s;
2998
2999 if (!wpas_p2p_create_iface(wpa_s))
3000 return wpa_s;
3001
3002 if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO :
3003 WPA_IF_P2P_CLIENT) < 0)
3004 return NULL;
3005 group_wpa_s = wpas_p2p_init_group_interface(wpa_s, go);
3006 if (group_wpa_s == NULL) {
3007 wpas_p2p_remove_pending_group_interface(wpa_s);
3008 return NULL;
3009 }
3010
3011 return group_wpa_s;
3012}
3013
3014
3015/**
3016 * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner
3017 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3018 * @persistent_group: Whether to create a persistent group
3019 * @freq: Frequency for the group or 0 to indicate no hardcoding
3020 * Returns: 0 on success, -1 on failure
3021 *
3022 * This function creates a new P2P group with the local end as the Group Owner,
3023 * i.e., without using Group Owner Negotiation.
3024 */
3025int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group,
3026 int freq)
3027{
3028 struct p2p_go_neg_results params;
7cfc4ac3
AGS		 3029 unsigned int r;
3030
3031 if (freq == 2) {
3032 wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 2.4 GHz "
3033 "band");
3034 if (wpa_s->best_24_freq > 0 &&
3035 p2p_supported_freq(wpa_s->global->p2p,
3036 wpa_s->best_24_freq)) {
3037 freq = wpa_s->best_24_freq;
3038 wpa_printf(MSG_DEBUG, "P2P: Use best 2.4 GHz band "
3039 "channel: %d MHz", freq);
3040 } else {
3041 os_get_random((u8 *) &r, sizeof(r));
3042 freq = 2412 + (r % 3) * 25;
3043 wpa_printf(MSG_DEBUG, "P2P: Use random 2.4 GHz band "
3044 "channel: %d MHz", freq);
3045 }
3046 }
3047
3048 if (freq == 5) {
3049 wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 5 GHz "
3050 "band");
3051 if (wpa_s->best_5_freq > 0 &&
3052 p2p_supported_freq(wpa_s->global->p2p,
3053 wpa_s->best_5_freq)) {
3054 freq = wpa_s->best_5_freq;
3055 wpa_printf(MSG_DEBUG, "P2P: Use best 5 GHz band "
3056 "channel: %d MHz", freq);
3057 } else {
3058 os_get_random((u8 *) &r, sizeof(r));
3059 freq = 5180 + (r % 4) * 20;
3060 if (!p2p_supported_freq(wpa_s->global->p2p, freq)) {
3061 wpa_printf(MSG_DEBUG, "P2P: Could not select "
3062 "5 GHz channel for P2P group");
3063 return -1;
3064 }
3065 wpa_printf(MSG_DEBUG, "P2P: Use random 5 GHz band "
3066 "channel: %d MHz", freq);
3067 }
3068 }
b22128ef 3069
4ae4650b
JM		 3070 if (freq > 0 && !p2p_supported_freq(wpa_s->global->p2p, freq)) {
3071 wpa_printf(MSG_DEBUG, "P2P: The forced channel for GO "
3072 "(%u MHz) is not supported for P2P uses",
3073 freq);
3074 return -1;
3075 }
3076
b22128ef
JM		 3077 wpas_p2p_init_go_params(wpa_s, &params, freq);
3078 p2p_go_params(wpa_s->global->p2p, &params);
3079 params.persistent_group = persistent_group;
3080
3081 wpa_s = wpas_p2p_get_group_iface(wpa_s, 0, 1);
3082 if (wpa_s == NULL)
3083 return -1;
3084 wpas_start_wps_go(wpa_s, &params, 0);
3085
3086 return 0;
3087}
3088
3089
3090static int wpas_start_p2p_client(struct wpa_supplicant *wpa_s,
3091 struct wpa_ssid *params, int addr_allocated)
3092{
3093 struct wpa_ssid *ssid;
3094
3095 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 0);
3096 if (wpa_s == NULL)
3097 return -1;
3098
3099 wpa_supplicant_ap_deinit(wpa_s);
3100
3101 ssid = wpa_config_add_network(wpa_s->conf);
3102 if (ssid == NULL)
3103 return -1;
3104 wpas_notify_network_added(wpa_s, ssid);
3105 wpa_config_set_network_defaults(ssid);
3106 ssid->temporary = 1;
3107 ssid->proto = WPA_PROTO_RSN;
3108 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
3109 ssid->group_cipher = WPA_CIPHER_CCMP;
3110 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
3111 ssid->ssid = os_malloc(params->ssid_len);
3112 if (ssid->ssid == NULL) {
3113 wpas_notify_network_removed(wpa_s, ssid);
3114 wpa_config_remove_network(wpa_s->conf, ssid->id);
3115 return -1;
3116 }
3117 os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
3118 ssid->ssid_len = params->ssid_len;
3119 ssid->p2p_group = 1;
3120 if (params->psk_set) {
3121 os_memcpy(ssid->psk, params->psk, 32);
3122 ssid->psk_set = 1;
3123 }
3124 if (params->passphrase)
3125 ssid->passphrase = os_strdup(params->passphrase);
3126
3127 wpa_supplicant_select_network(wpa_s, ssid);
3128
3129 wpa_s->show_group_started = 1;
3130
3131 return 0;
3132}
3133
3134
3135int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s,
3136 struct wpa_ssid *ssid, int addr_allocated,
3137 int freq)
3138{
3139 struct p2p_go_neg_results params;
3140
3141 if (ssid->disabled != 2 || ssid->ssid == NULL)
3142 return -1;
3143
3144 wpa_s->p2p_long_listen = 0;
3145 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
3146
3147 if (ssid->mode == WPAS_MODE_INFRA)
3148 return wpas_start_p2p_client(wpa_s, ssid, addr_allocated);
3149
3150 if (ssid->mode != WPAS_MODE_P2P_GO)
3151 return -1;
3152
3153 wpas_p2p_init_go_params(wpa_s, &params, freq);
3154
3155 params.role_go = 1;
3156 if (ssid->passphrase == NULL ||
3157 os_strlen(ssid->passphrase) >= sizeof(params.passphrase)) {
3158 wpa_printf(MSG_DEBUG, "P2P: Invalid passphrase in persistent "
3159 "group");
3160 return -1;
3161 }
3162 os_strlcpy(params.passphrase, ssid->passphrase,
3163 sizeof(params.passphrase));
3164 os_memcpy(params.ssid, ssid->ssid, ssid->ssid_len);
3165 params.ssid_len = ssid->ssid_len;
3166 params.persistent_group = 1;
3167
3168 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 1);
3169 if (wpa_s == NULL)
3170 return -1;
3171
3172 wpas_start_wps_go(wpa_s, &params, 0);
3173
3174 return 0;
3175}
3176
3177
3178static void wpas_p2p_ie_update(void *ctx, struct wpabuf *beacon_ies,
3179 struct wpabuf *proberesp_ies)
3180{
3181 struct wpa_supplicant *wpa_s = ctx;
3182 if (wpa_s->ap_iface) {
3183 struct hostapd_data *hapd = wpa_s->ap_iface->bss[0];
3184 if (beacon_ies) {
3185 wpabuf_free(hapd->p2p_beacon_ie);
3186 hapd->p2p_beacon_ie = beacon_ies;
3187 }
3188 wpabuf_free(hapd->p2p_probe_resp_ie);
3189 hapd->p2p_probe_resp_ie = proberesp_ies;
3190 } else {
3191 wpabuf_free(beacon_ies);
3192 wpabuf_free(proberesp_ies);
3193 }
3194 wpa_supplicant_ap_update_beacon(wpa_s);
3195}
3196
3197
3071e181
JM		 3198static void wpas_p2p_idle_update(void *ctx, int idle)
3199{
3200 struct wpa_supplicant *wpa_s = ctx;
3201 if (!wpa_s->ap_iface)
3202 return;
3203 wpa_printf(MSG_DEBUG, "P2P: GO - group %sidle", idle ? "" : "not ");
3204 if (idle)
3205 wpas_p2p_set_group_idle_timeout(wpa_s);
3206 else
3207 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
3208}
3209
3210
b22128ef
JM		 3211struct p2p_group * wpas_p2p_group_init(struct wpa_supplicant *wpa_s,
3212 int persistent_group,
3213 int group_formation)
3214{
3215 struct p2p_group *group;
3216 struct p2p_group_config *cfg;
3217
3218 cfg = os_zalloc(sizeof(*cfg));
3219 if (cfg == NULL)
3220 return NULL;
3221
3222 cfg->persistent_group = persistent_group;
3223 os_memcpy(cfg->interface_addr, wpa_s->own_addr, ETH_ALEN);
3f4ce13f
JM		 3224 if (wpa_s->max_stations &&
3225 wpa_s->max_stations < wpa_s->conf->max_num_sta)
3226 cfg->max_clients = wpa_s->max_stations;
3227 else
3228 cfg->max_clients = wpa_s->conf->max_num_sta;
b22128ef
JM		 3229 cfg->cb_ctx = wpa_s;
3230 cfg->ie_update = wpas_p2p_ie_update;
3071e181 3231 cfg->idle_update = wpas_p2p_idle_update;
b22128ef
JM		 3232
3233 group = p2p_group_init(wpa_s->global->p2p, cfg);
3234 if (group == NULL)
3235 os_free(cfg);
3236 if (!group_formation)
3237 p2p_group_notif_formation_done(group);
3238 wpa_s->p2p_group = group;
3239 return group;
3240}
3241
3242
3243void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
3244 int registrar)
3245{
3246 if (!wpa_s->p2p_in_provisioning) {
3247 wpa_printf(MSG_DEBUG, "P2P: Ignore WPS success event - P2P "
3248 "provisioning not in progress");
3249 return;
3250 }
3251
3252 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->parent,
3253 NULL);
3254 if (wpa_s->global->p2p)
3255 p2p_wps_success_cb(wpa_s->global->p2p, peer_addr);
3256 wpas_group_formation_completed(wpa_s, 1);
3257}
3258
3259
3260int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
3261 const char *config_method)
3262{
3263 u16 config_methods;
3264
3265 if (os_strcmp(config_method, "display") == 0)
3266 config_methods = WPS_CONFIG_DISPLAY;
3267 else if (os_strcmp(config_method, "keypad") == 0)
3268 config_methods = WPS_CONFIG_KEYPAD;
3269 else if (os_strcmp(config_method, "pbc") == 0 ||
3270 os_strcmp(config_method, "pushbutton") == 0)
3271 config_methods = WPS_CONFIG_PUSHBUTTON;
3272 else
3273 return -1;
3274
3275 if (wpa_s->global->p2p == NULL)
3276 return -1;
3277
3278 return p2p_prov_disc_req(wpa_s->global->p2p, peer_addr,
3279 config_methods, 0);
3280}
3281
3282
3283int wpas_p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
3284 char *end)
3285{
3286 return p2p_scan_result_text(ies, ies_len, buf, end);
3287}
3288
3289
1cc3a29d
JM		 3290static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant *wpa_s)
3291{
3292 if (!wpa_s->pending_action_tx)
3293 return;
3294
3295 wpa_printf(MSG_DEBUG, "P2P: Drop pending Action TX due to new "
3296 "operation request");
3297 wpabuf_free(wpa_s->pending_action_tx);
3298 wpa_s->pending_action_tx = NULL;
3299}
3300
3301
b22128ef
JM		 3302int wpas_p2p_find(struct wpa_supplicant *wpa_s, unsigned int timeout,
3303 enum p2p_discovery_type type)
3304{
1cc3a29d 3305 wpas_p2p_clear_pending_action_tx(wpa_s);
b22128ef
JM		 3306 wpa_s->p2p_long_listen = 0;
3307
3308 return p2p_find(wpa_s->global->p2p, timeout, type);
3309}
3310
3311
3312void wpas_p2p_stop_find(struct wpa_supplicant *wpa_s)
3313{
1cc3a29d 3314 wpas_p2p_clear_pending_action_tx(wpa_s);
b22128ef 3315 wpa_s->p2p_long_listen = 0;
ef922c4a 3316 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
b22128ef
JM		 3317
3318 p2p_stop_find(wpa_s->global->p2p);
3319
3320 wpas_p2p_remove_pending_group_interface(wpa_s);
3321}
3322
3323
3324static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx)
3325{
3326 struct wpa_supplicant *wpa_s = eloop_ctx;
3327 wpa_s->p2p_long_listen = 0;
3328}
3329
3330
3331int wpas_p2p_listen(struct wpa_supplicant *wpa_s, unsigned int timeout)
3332{
3333 int res;
3334
1cc3a29d
JM		 3335 wpas_p2p_clear_pending_action_tx(wpa_s);
3336
b22128ef
JM		 3337 if (timeout == 0) {
3338 /*
3339 * This is a request for unlimited Listen state. However, at
3340 * least for now, this is mapped to a Listen state for one
3341 * hour.
3342 */
3343 timeout = 3600;
3344 }
3345 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
3346 wpa_s->p2p_long_listen = 0;
3347
3348 res = wpas_p2p_listen_start(wpa_s, timeout * 1000);
3349 if (res == 0 && timeout * 1000 > wpa_s->max_remain_on_chan) {
3350 wpa_s->p2p_long_listen = timeout;
3351 eloop_register_timeout(timeout, 0,
3352 wpas_p2p_long_listen_timeout,
3353 wpa_s, NULL);
3354 }
3355
3356 return res;
3357}
3358
3359
4c08c0bd 3360int wpas_p2p_assoc_req_ie(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
b22128ef
JM		 3361 u8 *buf, size_t len, int p2p_group)
3362{
4c08c0bd
JM		 3363 struct wpabuf *p2p_ie;
3364 int ret;
3365
b22128ef
JM		 3366 if (wpa_s->global->p2p_disabled)
3367 return -1;
3368 if (wpa_s->global->p2p == NULL)
3369 return -1;
e1f1509b
JM		 3370 if (bss == NULL)
3371 return -1;
b22128ef 3372
4c08c0bd
JM		 3373 p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
3374 ret = p2p_assoc_req_ie(wpa_s->global->p2p, bss->bssid, buf, len,
3375 p2p_group, p2p_ie);
3376 wpabuf_free(p2p_ie);
3377
3378 return ret;
b22128ef
JM		 3379}
3380
3381
3382int wpas_p2p_probe_req_rx(struct wpa_supplicant *wpa_s, const u8 *addr,
3383 const u8 *ie, size_t ie_len)
3384{
3385 if (wpa_s->global->p2p_disabled)
3386 return 0;
3387 if (wpa_s->global->p2p == NULL)
3388 return 0;
3389
3390 return p2p_probe_req_rx(wpa_s->global->p2p, addr, ie, ie_len);
3391}
3392
3393
3394void wpas_p2p_rx_action(struct wpa_supplicant *wpa_s, const u8 *da,
3395 const u8 *sa, const u8 *bssid,
3396 u8 category, const u8 *data, size_t len, int freq)
3397{
3398 if (wpa_s->global->p2p_disabled)
3399 return;
3400 if (wpa_s->global->p2p == NULL)
3401 return;
3402
3403 p2p_rx_action(wpa_s->global->p2p, da, sa, bssid, category, data, len,
3404 freq);
3405}
3406
3407
3408void wpas_p2p_scan_ie(struct wpa_supplicant *wpa_s, struct wpabuf *ies)
3409{
3410 if (wpa_s->global->p2p_disabled)
3411 return;
3412 if (wpa_s->global->p2p == NULL)
3413 return;
3414
3415 p2p_scan_ie(wpa_s->global->p2p, ies);
3416}
3417
3418
3419void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s)
3420{
3421 p2p_group_deinit(wpa_s->p2p_group);
3422 wpa_s->p2p_group = NULL;
3423}
3424
3425
3426int wpas_p2p_reject(struct wpa_supplicant *wpa_s, const u8 *addr)
3427{
3428 wpa_s->p2p_long_listen = 0;
3429
3430 return p2p_reject(wpa_s->global->p2p, addr);
3431}
3432
3433
3434/* Invite to reinvoke a persistent group */
3435int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
3436 struct wpa_ssid *ssid, const u8 *go_dev_addr)
3437{
3438 enum p2p_invite_role role;
3439 u8 *bssid = NULL;
3440
3441 if (ssid->mode == WPAS_MODE_P2P_GO) {
3442 role = P2P_INVITE_ROLE_GO;
3443 if (peer_addr == NULL) {
3444 wpa_printf(MSG_DEBUG, "P2P: Missing peer "
3445 "address in invitation command");
3446 return -1;
3447 }
3448 if (wpas_p2p_create_iface(wpa_s)) {
3449 if (wpas_p2p_add_group_interface(wpa_s,
3450 WPA_IF_P2P_GO) < 0) {
3451 wpa_printf(MSG_ERROR, "P2P: Failed to "
3452 "allocate a new interface for the "
3453 "group");
3454 return -1;
3455 }
3456 bssid = wpa_s->pending_interface_addr;
3457 } else
3458 bssid = wpa_s->own_addr;
3459 } else {
3460 role = P2P_INVITE_ROLE_CLIENT;
3461 peer_addr = ssid->bssid;
3462 }
3463 wpa_s->pending_invite_ssid_id = ssid->id;
3464
3465 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
3466 ssid->ssid, ssid->ssid_len, 0, go_dev_addr, 1);
3467}
3468
3469
3470/* Invite to join an active group */
3471int wpas_p2p_invite_group(struct wpa_supplicant *wpa_s, const char *ifname,
3472 const u8 *peer_addr, const u8 *go_dev_addr)
3473{
3474 struct wpa_global *global = wpa_s->global;
3475 enum p2p_invite_role role;
3476 u8 *bssid = NULL;
3477 struct wpa_ssid *ssid;
3478
3479 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3480 if (os_strcmp(wpa_s->ifname, ifname) == 0)
3481 break;
3482 }
3483 if (wpa_s == NULL) {
3484 wpa_printf(MSG_DEBUG, "P2P: Interface '%s' not found", ifname);
3485 return -1;
3486 }
3487
3488 ssid = wpa_s->current_ssid;
3489 if (ssid == NULL) {
3490 wpa_printf(MSG_DEBUG, "P2P: No current SSID to use for "
3491 "invitation");
3492 return -1;
3493 }
3494
3495 if (ssid->mode == WPAS_MODE_P2P_GO) {
3496 role = P2P_INVITE_ROLE_ACTIVE_GO;
3497 bssid = wpa_s->own_addr;
3498 if (go_dev_addr == NULL)
2e062d5d 3499 go_dev_addr = wpa_s->parent->own_addr;
b22128ef
JM		 3500 } else {
3501 role = P2P_INVITE_ROLE_CLIENT;
3502 if (wpa_s->wpa_state < WPA_ASSOCIATED) {
3503 wpa_printf(MSG_DEBUG, "P2P: Not associated - cannot "
3504 "invite to current group");
3505 return -1;
3506 }
3507 bssid = wpa_s->bssid;
3508 if (go_dev_addr == NULL &&
3509 !is_zero_ether_addr(wpa_s->go_dev_addr))
3510 go_dev_addr = wpa_s->go_dev_addr;
3511 }
bb79dc72 3512 wpa_s->parent->pending_invite_ssid_id = -1;
b22128ef
JM		 3513
3514 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
d9d6a58c
JM		 3515 ssid->ssid, ssid->ssid_len, wpa_s->assoc_freq,
3516 go_dev_addr, 0);
b22128ef
JM		 3517}
3518
3519
3520void wpas_p2p_completed(struct wpa_supplicant *wpa_s)
3521{
3522 struct wpa_ssid *ssid = wpa_s->current_ssid;
3523 const char *ssid_txt;
3524 u8 go_dev_addr[ETH_ALEN];
3525 int persistent;
3526
3527 if (!wpa_s->show_group_started || !ssid)
3528 return;
3529
3530 wpa_s->show_group_started = 0;
3531
3532 ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len);
3533 os_memset(go_dev_addr, 0, ETH_ALEN);
3534 if (ssid->bssid_set)
3535 os_memcpy(go_dev_addr, ssid->bssid, ETH_ALEN);
3536 persistent = wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid,
3537 ssid->ssid_len);
3538 os_memcpy(wpa_s->go_dev_addr, go_dev_addr, ETH_ALEN);
3539
a0a9f3b0
JM		 3540 if (wpa_s->global->p2p_group_formation == wpa_s)
3541 wpa_s->global->p2p_group_formation = NULL;
3542
b22128ef
JM		 3543 if (ssid->passphrase == NULL && ssid->psk_set) {
3544 char psk[65];
3545 wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32);
3546 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
c481048f
AC		 3547 "%s client ssid=\"%s\" freq=%d psk=%s go_dev_addr="
3548 MACSTR "%s",
3549 wpa_s->ifname, ssid_txt, ssid->frequency, psk,
3550 MAC2STR(go_dev_addr),
b22128ef
JM		 3551 persistent ? " [PERSISTENT]" : "");
3552 } else {
3553 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
c481048f
AC		 3554 "%s client ssid=\"%s\" freq=%d passphrase=\"%s\" "
3555 "go_dev_addr=" MACSTR "%s",
3556 wpa_s->ifname, ssid_txt, ssid->frequency,
b22128ef
JM		 3557 ssid->passphrase ? ssid->passphrase : "",
3558 MAC2STR(go_dev_addr),
3559 persistent ? " [PERSISTENT]" : "");
3560 }
3561
3562 if (persistent)
3563 wpas_p2p_store_persistent_group(wpa_s->parent, ssid,
3564 go_dev_addr);
3565}
3566
3567
3568int wpas_p2p_presence_req(struct wpa_supplicant *wpa_s, u32 duration1,
3569 u32 interval1, u32 duration2, u32 interval2)
3570{
3571 if (wpa_s->wpa_state < WPA_ASSOCIATED ||
3572 wpa_s->current_ssid == NULL ||
3573 wpa_s->current_ssid->mode != WPAS_MODE_INFRA)
3574 return -1;
3575
3576 return p2p_presence_req(wpa_s->global->p2p, wpa_s->bssid,
3577 wpa_s->own_addr, wpa_s->assoc_freq,
3578 duration1, interval1, duration2, interval2);
3579}
3580
3581
3582int wpas_p2p_ext_listen(struct wpa_supplicant *wpa_s, unsigned int period,
3583 unsigned int interval)
3584{
3585 return p2p_ext_listen(wpa_s->global->p2p, period, interval);
3586}
3587
3588
3071e181
JM		 3589static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx)
3590{
3591 struct wpa_supplicant *wpa_s = eloop_ctx;
3592
3593 if (wpa_s->conf->p2p_group_idle == 0) {
3594 wpa_printf(MSG_DEBUG, "P2P: Ignore group idle timeout - "
3595 "disabled");
3596 return;
3597 }
3598
3599 wpa_printf(MSG_DEBUG, "P2P: Group idle timeout reached - terminate "
3600 "group");
3601 wpa_s->removal_reason = P2P_GROUP_REMOVAL_IDLE_TIMEOUT;
3602 wpas_p2p_group_delete(wpa_s);
3603}
3604
3605
3606static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s)
3607{
3608 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
3609 if (wpa_s->conf->p2p_group_idle == 0)
3610 return;
3611
3612 if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group)
3613 return;
3614
3615 wpa_printf(MSG_DEBUG, "P2P: Set P2P group idle timeout to %u seconds",
3616 wpa_s->conf->p2p_group_idle);
3617 eloop_register_timeout(wpa_s->conf->p2p_group_idle, 0,
3618 wpas_p2p_group_idle_timeout, wpa_s, NULL);
3619}
3620
3621
b22128ef
JM		 3622void wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
3623 u16 reason_code, const u8 *ie, size_t ie_len)
3624{
3625 if (wpa_s->global->p2p_disabled)
3626 return;
3627
3628 p2p_deauth_notif(wpa_s->global->p2p, bssid, reason_code, ie, ie_len);
3629}
3630
3631
3632void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
3633 u16 reason_code, const u8 *ie, size_t ie_len)
3634{
3635 if (wpa_s->global->p2p_disabled)
3636 return;
3637
3638 p2p_disassoc_notif(wpa_s->global->p2p, bssid, reason_code, ie, ie_len);
3639}
3640
3641
3642void wpas_p2p_update_config(struct wpa_supplicant *wpa_s)
3643{
3644 struct p2p_data *p2p = wpa_s->global->p2p;
3645
3646 if (p2p == NULL)
3647 return;
3648
4c010834
KL		 3649 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
3650 return;
3651
b22128ef
JM		 3652 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_NAME)
3653 p2p_set_dev_name(p2p, wpa_s->conf->device_name);
3654
3655 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) {
3656 u8 pri_dev_type[8];
3657 if (wpa_s->conf->device_type) {
3658 if (wps_dev_type_str2bin(wpa_s->conf->device_type,
3659 pri_dev_type) < 0) {
3660 wpa_printf(MSG_ERROR, "P2P: Invalid "
3661 "device_type");
3662 } else
3663 p2p_set_pri_dev_type(p2p, pri_dev_type);
3664 }
3665 }
3666
3667 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) {
3668 u8 sec_dev_type[P2P_SEC_DEVICE_TYPES][8];
3669 size_t num = 0;
3670 int i;
3671 for (i = 0; i < MAX_SEC_DEVICE_TYPES; i++) {
3672 if (wpa_s->conf->sec_device_type[i] == NULL)
3673 continue;
3674 if (wps_dev_type_str2bin(
3675 wpa_s->conf->sec_device_type[i],
3676 sec_dev_type[num]) < 0) {
3677 wpa_printf(MSG_ERROR, "P2P: Invalid "
3678 "sec_device_type");
3679 continue;
3680 }
3681 num++;
3682 if (num == P2P_SEC_DEVICE_TYPES)
3683 break;
3684 }
3685 p2p_set_sec_dev_types(p2p, (void *) sec_dev_type, num);
3686 }
3687
3688 if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) &&
3689 wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
3690 char country[3];
3691 country[0] = wpa_s->conf->country[0];
3692 country[1] = wpa_s->conf->country[1];
3693 country[2] = 0x04;
3694 p2p_set_country(p2p, country);
3695 }
3696
3697 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_SSID_POSTFIX) {
3698 p2p_set_ssid_postfix(p2p, (u8 *) wpa_s->conf->p2p_ssid_postfix,
3699 wpa_s->conf->p2p_ssid_postfix ?
3700 os_strlen(wpa_s->conf->p2p_ssid_postfix) :
3701 0);
3702 }
0f66abd2
SS		 3703
3704 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_INTRA_BSS)
3705 p2p_set_intra_bss_dist(p2p, wpa_s->conf->p2p_intra_bss);
b22128ef 3706}
aefb53bd
JM		 3707
3708
3709int wpas_p2p_set_noa(struct wpa_supplicant *wpa_s, u8 count, int start,
3710 int duration)
3711{
3712 if (!wpa_s->ap_iface)
3713 return -1;
3714 return hostapd_p2p_set_noa(wpa_s->ap_iface->bss[0], count, start,
3715 duration);
3716}
72044390
JM		 3717
3718
3719int wpas_p2p_set_cross_connect(struct wpa_supplicant *wpa_s, int enabled)
3720{
3721 if (wpa_s->global->p2p_disabled)
3722 return -1;
3723 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
3724 return -1;
3725
3726 wpa_s->global->cross_connection = enabled;
3727 p2p_set_cross_connect(wpa_s->global->p2p, enabled);
3728
3729 if (!enabled) {
3730 struct wpa_supplicant *iface;
3731
3732 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
3733 {
3734 if (iface->cross_connect_enabled == 0)
3735 continue;
3736
3737 iface->cross_connect_enabled = 0;
3738 iface->cross_connect_in_use = 0;
3739 wpa_msg(iface->parent, MSG_INFO,
3740 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
3741 iface->ifname, iface->cross_connect_uplink);
3742 }
3743 }
3744
3745 return 0;
3746}
3747
3748
3749static void wpas_p2p_enable_cross_connect(struct wpa_supplicant *uplink)
3750{
3751 struct wpa_supplicant *iface;
3752
3753 if (!uplink->global->cross_connection)
3754 return;
3755
3756 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
3757 if (!iface->cross_connect_enabled)
3758 continue;
3759 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
3760 0)
3761 continue;
3762 if (iface->ap_iface == NULL)
3763 continue;
3764 if (iface->cross_connect_in_use)
3765 continue;
3766
3767 iface->cross_connect_in_use = 1;
3768 wpa_msg(iface->parent, MSG_INFO,
3769 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
3770 iface->ifname, iface->cross_connect_uplink);
3771 }
3772}
3773
3774
3775static void wpas_p2p_disable_cross_connect(struct wpa_supplicant *uplink)
3776{
3777 struct wpa_supplicant *iface;
3778
3779 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
3780 if (!iface->cross_connect_enabled)
3781 continue;
3782 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
3783 0)
3784 continue;
3785 if (!iface->cross_connect_in_use)
3786 continue;
3787
3788 wpa_msg(iface->parent, MSG_INFO,
3789 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
3790 iface->ifname, iface->cross_connect_uplink);
3791 iface->cross_connect_in_use = 0;
3792 }
3793}
3794
3795
3796void wpas_p2p_notif_connected(struct wpa_supplicant *wpa_s)
3797{
3798 if (wpa_s->ap_iface || wpa_s->current_ssid == NULL ||
3799 wpa_s->current_ssid->mode != WPAS_MODE_INFRA ||
3800 wpa_s->cross_connect_disallowed)
3801 wpas_p2p_disable_cross_connect(wpa_s);
3802 else
3803 wpas_p2p_enable_cross_connect(wpa_s);
3071e181
JM		 3804 if (!wpa_s->ap_iface)
3805 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
72044390
JM		 3806}
3807
3808
3809void wpas_p2p_notif_disconnected(struct wpa_supplicant *wpa_s)
3810{
3811 wpas_p2p_disable_cross_connect(wpa_s);
3071e181
JM		 3812 if (!wpa_s->ap_iface)
3813 wpas_p2p_set_group_idle_timeout(wpa_s);
72044390
JM		 3814}
3815
3816
3817static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s)
3818{
3819 struct wpa_supplicant *iface;
3820
3821 if (!wpa_s->global->cross_connection)
3822 return;
3823
3824 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
3825 if (iface == wpa_s)
3826 continue;
3827 if (iface->drv_flags &
3828 WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)
3829 continue;
3830 if (iface->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE)
3831 continue;
3832
3833 wpa_s->cross_connect_enabled = 1;
3834 os_strlcpy(wpa_s->cross_connect_uplink, iface->ifname,
3835 sizeof(wpa_s->cross_connect_uplink));
3836 wpa_printf(MSG_DEBUG, "P2P: Enable cross connection from "
3837 "%s to %s whenever uplink is available",
3838 wpa_s->ifname, wpa_s->cross_connect_uplink);
3839
3840 if (iface->ap_iface || iface->current_ssid == NULL ||
3841 iface->current_ssid->mode != WPAS_MODE_INFRA ||
3842 iface->cross_connect_disallowed ||
3843 iface->wpa_state != WPA_COMPLETED)
3844 break;
3845
3846 wpa_s->cross_connect_in_use = 1;
3847 wpa_msg(wpa_s->parent, MSG_INFO,
3848 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
3849 wpa_s->ifname, wpa_s->cross_connect_uplink);
3850 break;
3851 }
3852}
b73bf0a7
JM		 3853
3854
3855int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant *wpa_s)
3856{
3857 if (wpa_s->p2p_group_interface != P2P_GROUP_INTERFACE_CLIENT &&
3858 !wpa_s->p2p_in_provisioning)
3859 return 0; /* not P2P client operation */
3860
3861 wpa_printf(MSG_DEBUG, "P2P: Terminate connection due to WPS PBC "
3862 "session overlap");
148bb37f
JM		 3863 if (wpa_s != wpa_s->parent)
3864 wpa_msg_ctrl(wpa_s->parent, MSG_INFO, WPS_EVENT_OVERLAP);
b73bf0a7
JM		 3865 wpas_group_formation_completed(wpa_s, 0);
3866 return 1;
3867}
b5c9da8d
JM		 3868
3869
3870void wpas_p2p_update_channel_list(struct wpa_supplicant *wpa_s)
3871{
3872 struct p2p_channels chan;
3873
3874 if (wpa_s->global == NULL || wpa_s->global->p2p == NULL)
3875 return;
3876
3877 os_memset(&chan, 0, sizeof(chan));
3878 if (wpas_p2p_setup_channels(wpa_s, &chan)) {
3879 wpa_printf(MSG_ERROR, "P2P: Failed to update supported "
3880 "channel list");
3881 return;
3882 }
3883
3884 p2p_update_channel_list(wpa_s->global->p2p, &chan);
3885}
59eba7a2
JM		 3886
3887
3888int wpas_p2p_cancel(struct wpa_supplicant *wpa_s)
3889{
3890 struct wpa_global *global = wpa_s->global;
3891 int found = 0;
3892
3893 wpa_printf(MSG_DEBUG, "P2P: Request to cancel group formation");
3894
3895 if (wpa_s->pending_interface_name[0] &&
3896 !is_zero_ether_addr(wpa_s->pending_interface_addr))
3897 found = 1;
3898
3899 wpas_p2p_stop_find(wpa_s);
3900
3901 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3902 if (wpa_s == global->p2p_group_formation &&
a0a9f3b0
JM		 3903 (wpa_s->p2p_in_provisioning ||
3904 wpa_s->parent->pending_interface_type ==
3905 WPA_IF_P2P_CLIENT)) {
59eba7a2
JM		 3906 wpa_printf(MSG_DEBUG, "P2P: Interface %s in group "
3907 "formation found - cancelling",
3908 wpa_s->ifname);
3909 found = 1;
3910 wpas_p2p_group_delete(wpa_s);
3911 break;
3912 }
3913 }
3914
3915 if (!found) {
3916 wpa_printf(MSG_DEBUG, "P2P: No ongoing group formation found");
3917 return -1;
3918 }
3919
3920 return 0;
3921}
c973f386
JM		 3922
3923
3924void wpas_p2p_interface_unavailable(struct wpa_supplicant *wpa_s)
3925{
3926 if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group)
3927 return;
3928
3929 wpa_printf(MSG_DEBUG, "P2P: Remove group due to driver resource not "
3930 "being available anymore");
3931 wpa_s->removal_reason = P2P_GROUP_REMOVAL_UNAVAILABLE;
3932 wpas_p2p_group_delete(wpa_s);
3933}
7cfc4ac3
AGS		 3934
3935
3936void wpas_p2p_update_best_channels(struct wpa_supplicant *wpa_s,
3937 int freq_24, int freq_5, int freq_overall)
3938{
3939 struct p2p_data *p2p = wpa_s->global->p2p;
3940 if (p2p == NULL || (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT))
3941 return;
3942 p2p_set_best_channels(p2p, freq_24, freq_5, freq_overall);
3943}
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