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P2P: Fix connect-to-running-group if Action TX status is delayed
[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
39static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx);
40static struct wpa_supplicant *
41wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
42 int go);
43static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s);
ef922c4a 44static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx);
108def93
JM		 45static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr,
46 const u8 *dev_addr, enum p2p_wps_method wps_method);
b22128ef 47static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s);
72044390 48static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s);
b22128ef
JM		 49
50
51static void wpas_p2p_scan_res_handler(struct wpa_supplicant *wpa_s,
52 struct wpa_scan_results *scan_res)
53{
54 size_t i;
55
56 if (wpa_s->global->p2p_disabled)
57 return;
58
59 wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS)",
60 (int) scan_res->num);
61
62 for (i = 0; i < scan_res->num; i++) {
63 struct wpa_scan_res *bss = scan_res->res[i];
64 if (p2p_scan_res_handler(wpa_s->global->p2p, bss->bssid,
65 bss->freq, bss->level,
66 (const u8 *) (bss + 1),
67 bss->ie_len) > 0)
68 return;
69 }
70
71 p2p_scan_res_handled(wpa_s->global->p2p);
72}
73
74
75static int wpas_p2p_scan(void *ctx, enum p2p_scan_type type, int freq)
76{
77 struct wpa_supplicant *wpa_s = ctx;
78 struct wpa_driver_scan_params params;
79 int ret;
80 struct wpabuf *wps_ie, *ies;
81 int social_channels[] = { 2412, 2437, 2462, 0, 0 };
82
83 os_memset(&params, 0, sizeof(params));
84
85 /* P2P Wildcard SSID */
86 params.num_ssids = 1;
87 params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID;
88 params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN;
89
90 wpa_s->wps->dev.p2p = 1;
91 wps_ie = wps_build_probe_req_ie(0, &wpa_s->wps->dev, wpa_s->wps->uuid,
92 WPS_REQ_ENROLLEE);
93 if (wps_ie == NULL)
94 return -1;
95
96 ies = wpabuf_alloc(wpabuf_len(wps_ie) + 100);
97 if (ies == NULL) {
98 wpabuf_free(wps_ie);
99 return -1;
100 }
101 wpabuf_put_buf(ies, wps_ie);
102 wpabuf_free(wps_ie);
103
104 p2p_scan_ie(wpa_s->global->p2p, ies);
105
106 params.extra_ies = wpabuf_head(ies);
107 params.extra_ies_len = wpabuf_len(ies);
108
109 switch (type) {
110 case P2P_SCAN_SOCIAL:
111 params.freqs = social_channels;
112 break;
113 case P2P_SCAN_FULL:
114 break;
115 case P2P_SCAN_SPECIFIC:
116 social_channels[0] = freq;
117 social_channels[1] = 0;
118 params.freqs = social_channels;
119 break;
120 case P2P_SCAN_SOCIAL_PLUS_ONE:
121 social_channels[3] = freq;
122 params.freqs = social_channels;
123 break;
124 }
125
126 wpa_s->scan_res_handler = wpas_p2p_scan_res_handler;
127 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
128 ret = ieee80211_sta_req_scan(wpa_s, &params);
129 else
130 ret = wpa_drv_scan(wpa_s, &params);
131
132 wpabuf_free(ies);
133
134 return ret;
135}
136
137
138#ifdef CONFIG_CLIENT_MLME
139static void p2p_rx_action_mlme(void *ctx, const u8 *buf, size_t len, int freq)
140{
141 struct wpa_supplicant *wpa_s = ctx;
142 const struct ieee80211_mgmt *mgmt;
143 size_t hdr_len;
144
145 if (wpa_s->global->p2p_disabled)
146 return;
147 mgmt = (const struct ieee80211_mgmt *) buf;
148 hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
149 if (hdr_len > len)
150 return;
151 p2p_rx_action(wpa_s->global->p2p, mgmt->da, mgmt->sa, mgmt->bssid,
152 mgmt->u.action.category,
153 &mgmt->u.action.u.vs_public_action.action,
154 len - hdr_len, freq);
155}
156#endif /* CONFIG_CLIENT_MLME */
157
158
159static enum wpa_driver_if_type wpas_p2p_if_type(int p2p_group_interface)
160{
161 switch (p2p_group_interface) {
162 case P2P_GROUP_INTERFACE_PENDING:
163 return WPA_IF_P2P_GROUP;
164 case P2P_GROUP_INTERFACE_GO:
165 return WPA_IF_P2P_GO;
166 case P2P_GROUP_INTERFACE_CLIENT:
167 return WPA_IF_P2P_CLIENT;
168 }
169
170 return WPA_IF_P2P_GROUP;
171}
172
173
174static void wpas_p2p_group_delete(struct wpa_supplicant *wpa_s)
175{
176 struct wpa_ssid *ssid;
177 char *gtype;
178
179 ssid = wpa_s->current_ssid;
180 if (ssid == NULL) {
181 /*
182 * The current SSID was not known, but there may still be a
183 * pending P2P group interface waiting for provisioning.
184 */
185 ssid = wpa_s->conf->ssid;
186 while (ssid) {
187 if (ssid->p2p_group &&
188 (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION ||
189 (ssid->key_mgmt & WPA_KEY_MGMT_WPS)))
190 break;
191 ssid = ssid->next;
192 }
193 }
194 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO)
195 gtype = "GO";
196 else if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT ||
197 (ssid && ssid->mode == WPAS_MODE_INFRA)) {
198 wpa_s->reassociate = 0;
199 wpa_s->disconnected = 1;
200 wpa_supplicant_deauthenticate(wpa_s,
201 WLAN_REASON_DEAUTH_LEAVING);
202 gtype = "client";
203 } else
204 gtype = "GO";
72044390
JM		 205 if (wpa_s->cross_connect_in_use) {
206 wpa_s->cross_connect_in_use = 0;
207 wpa_msg(wpa_s->parent, MSG_INFO,
208 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
209 wpa_s->ifname, wpa_s->cross_connect_uplink);
210 }
b22128ef
JM		 211 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_REMOVED "%s %s",
212 wpa_s->ifname, gtype);
213 if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) {
214 struct wpa_global *global;
215 char *ifname;
216 enum wpa_driver_if_type type;
217 wpa_printf(MSG_DEBUG, "P2P: Remove group interface %s",
218 wpa_s->ifname);
219 global = wpa_s->global;
220 ifname = os_strdup(wpa_s->ifname);
221 type = wpas_p2p_if_type(wpa_s->p2p_group_interface);
222 wpa_supplicant_remove_iface(wpa_s->global, wpa_s);
223 wpa_s = global->ifaces;
224 if (wpa_s && ifname)
225 wpa_drv_if_remove(wpa_s, type, ifname);
226 os_free(ifname);
227 return;
228 }
229
230 wpa_printf(MSG_DEBUG, "P2P: Remove temporary group network");
231 if (ssid && (ssid->p2p_group ||
232 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION ||
233 (ssid->key_mgmt & WPA_KEY_MGMT_WPS))) {
234 int id = ssid->id;
235 if (ssid == wpa_s->current_ssid)
236 wpa_s->current_ssid = NULL;
237 wpas_notify_network_removed(wpa_s, ssid);
238 wpa_config_remove_network(wpa_s->conf, id);
239 wpa_supplicant_clear_status(wpa_s);
240 } else {
241 wpa_printf(MSG_DEBUG, "P2P: Temporary group network not "
242 "found");
243 }
244 wpa_supplicant_ap_deinit(wpa_s);
245}
246
247
248static int wpas_p2p_persistent_group(struct wpa_supplicant *wpa_s,
249 u8 *go_dev_addr,
250 const u8 *ssid, size_t ssid_len)
251{
252 struct wpa_bss *bss;
253 const u8 *bssid;
254 struct wpabuf *p2p;
255 u8 group_capab;
256 const u8 *addr;
257
258 if (wpa_s->go_params)
259 bssid = wpa_s->go_params->peer_interface_addr;
260 else
261 bssid = wpa_s->bssid;
262
263 bss = wpa_bss_get(wpa_s, bssid, ssid, ssid_len);
264 if (bss == NULL) {
265 u8 iface_addr[ETH_ALEN];
266 if (p2p_get_interface_addr(wpa_s->global->p2p, bssid,
267 iface_addr) == 0)
268 bss = wpa_bss_get(wpa_s, iface_addr, ssid, ssid_len);
269 }
270 if (bss == NULL) {
271 wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether "
272 "group is persistent - BSS " MACSTR " not found",
273 MAC2STR(bssid));
274 return 0;
275 }
276
277 p2p = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
278 if (p2p == NULL) {
279 wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether "
280 "group is persistent - BSS " MACSTR
281 " did not include P2P IE", MAC2STR(bssid));
282 wpa_hexdump(MSG_DEBUG, "P2P: Probe Response IEs",
283 (u8 *) (bss + 1), bss->ie_len);
284 wpa_hexdump(MSG_DEBUG, "P2P: Beacon IEs",
285 ((u8 *) bss + 1) + bss->ie_len,
286 bss->beacon_ie_len);
287 return 0;
288 }
289
290 group_capab = p2p_get_group_capab(p2p);
291 addr = p2p_get_go_dev_addr(p2p);
292 wpa_printf(MSG_DEBUG, "P2P: Checking whether group is persistent: "
293 "group_capab=0x%x", group_capab);
294 if (addr) {
295 os_memcpy(go_dev_addr, addr, ETH_ALEN);
296 wpa_printf(MSG_DEBUG, "P2P: GO Device Address " MACSTR,
297 MAC2STR(addr));
298 } else
299 os_memset(go_dev_addr, 0, ETH_ALEN);
300 wpabuf_free(p2p);
301
302 wpa_printf(MSG_DEBUG, "P2P: BSS " MACSTR " group_capab=0x%x "
303 "go_dev_addr=" MACSTR,
304 MAC2STR(bssid), group_capab, MAC2STR(go_dev_addr));
305
306 return group_capab & P2P_GROUP_CAPAB_PERSISTENT_GROUP;
307}
308
309
310static void wpas_p2p_store_persistent_group(struct wpa_supplicant *wpa_s,
311 struct wpa_ssid *ssid,
312 const u8 *go_dev_addr)
313{
314 struct wpa_ssid *s;
315 int changed = 0;
316
317 wpa_printf(MSG_DEBUG, "P2P: Storing credentials for a persistent "
318 "group (GO Dev Addr " MACSTR ")", MAC2STR(go_dev_addr));
319 for (s = wpa_s->conf->ssid; s; s = s->next) {
320 if (s->disabled == 2 &&
321 os_memcmp(go_dev_addr, s->bssid, ETH_ALEN) == 0 &&
322 s->ssid_len == ssid->ssid_len &&
323 os_memcmp(ssid->ssid, s->ssid, ssid->ssid_len) == 0)
324 break;
325 }
326
327 if (s) {
328 wpa_printf(MSG_DEBUG, "P2P: Update existing persistent group "
329 "entry");
330 if (ssid->passphrase && !s->passphrase)
331 changed = 1;
332 else if (ssid->passphrase && s->passphrase &&
333 os_strcmp(ssid->passphrase, s->passphrase) != 0)
334 changed = 1;
335 } else {
336 wpa_printf(MSG_DEBUG, "P2P: Create a new persistent group "
337 "entry");
338 changed = 1;
339 s = wpa_config_add_network(wpa_s->conf);
340 if (s == NULL)
341 return;
342 wpa_config_set_network_defaults(s);
343 }
344
345 s->p2p_group = 1;
346 s->p2p_persistent_group = 1;
347 s->disabled = 2;
348 s->bssid_set = 1;
349 os_memcpy(s->bssid, go_dev_addr, ETH_ALEN);
350 s->mode = ssid->mode;
351 s->auth_alg = WPA_AUTH_ALG_OPEN;
352 s->key_mgmt = WPA_KEY_MGMT_PSK;
353 s->proto = WPA_PROTO_RSN;
354 s->pairwise_cipher = WPA_CIPHER_CCMP;
355 if (ssid->passphrase) {
356 os_free(s->passphrase);
357 s->passphrase = os_strdup(ssid->passphrase);
358 }
359 if (ssid->psk_set) {
360 s->psk_set = 1;
361 os_memcpy(s->psk, ssid->psk, 32);
362 }
363 if (s->passphrase && !s->psk_set)
364 wpa_config_update_psk(s);
365 if (s->ssid == NULL || s->ssid_len < ssid->ssid_len) {
366 os_free(s->ssid);
367 s->ssid = os_malloc(ssid->ssid_len);
368 }
369 if (s->ssid) {
370 s->ssid_len = ssid->ssid_len;
371 os_memcpy(s->ssid, ssid->ssid, s->ssid_len);
372 }
373
374#ifndef CONFIG_NO_CONFIG_WRITE
375 if (changed && wpa_s->conf->update_config &&
376 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
377 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
378 }
379#endif /* CONFIG_NO_CONFIG_WRITE */
380}
381
382
383static void wpas_group_formation_completed(struct wpa_supplicant *wpa_s,
384 int success)
385{
386 struct wpa_ssid *ssid;
387 const char *ssid_txt;
388 int client;
389 int persistent;
390 u8 go_dev_addr[ETH_ALEN];
391
392 /*
393 * This callback is likely called for the main interface. Update wpa_s
394 * to use the group interface if a new interface was created for the
395 * group.
396 */
397 if (wpa_s->global->p2p_group_formation)
398 wpa_s = wpa_s->global->p2p_group_formation;
399 wpa_s->p2p_in_provisioning = 0;
400
401 if (!success) {
402 wpa_msg(wpa_s->parent, MSG_INFO,
403 P2P_EVENT_GROUP_FORMATION_FAILURE);
404 wpas_p2p_group_delete(wpa_s);
405 return;
406 }
407
408 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_FORMATION_SUCCESS);
409
410 ssid = wpa_s->current_ssid;
411 if (ssid && ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
412 ssid->mode = WPAS_MODE_P2P_GO;
413 p2p_group_notif_formation_done(wpa_s->p2p_group);
414 wpa_supplicant_ap_mac_addr_filter(wpa_s, NULL);
415 }
416
417 persistent = 0;
418 if (ssid) {
419 ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len);
420 client = ssid->mode == WPAS_MODE_INFRA;
421 if (ssid->mode == WPAS_MODE_P2P_GO) {
422 persistent = ssid->p2p_persistent_group;
423 os_memcpy(go_dev_addr, wpa_s->parent->own_addr,
424 ETH_ALEN);
425 } else
426 persistent = wpas_p2p_persistent_group(wpa_s,
427 go_dev_addr,
428 ssid->ssid,
429 ssid->ssid_len);
430 } else {
431 ssid_txt = "";
432 client = wpa_s->p2p_group_interface ==
433 P2P_GROUP_INTERFACE_CLIENT;
434 }
435
436 wpa_s->show_group_started = 0;
437 if (client) {
438 /*
439 * Indicate event only after successfully completed 4-way
440 * handshake, i.e., when the interface is ready for data
441 * packets.
442 */
443 wpa_s->show_group_started = 1;
444 } else if (ssid && ssid->passphrase == NULL && ssid->psk_set) {
445 char psk[65];
446 wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32);
447 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
448 "%s GO ssid=\"%s\" psk=%s go_dev_addr=" MACSTR "%s",
449 wpa_s->ifname, ssid_txt, psk, MAC2STR(go_dev_addr),
450 persistent ? " [PERSISTENT]" : "");
72044390 451 wpas_p2p_cross_connect_setup(wpa_s);
b22128ef
JM		 452 } else {
453 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
454 "%s GO ssid=\"%s\" passphrase=\"%s\" go_dev_addr="
455 MACSTR "%s",
456 wpa_s->ifname, ssid_txt,
457 ssid && ssid->passphrase ? ssid->passphrase : "",
458 MAC2STR(go_dev_addr),
459 persistent ? " [PERSISTENT]" : "");
72044390 460 wpas_p2p_cross_connect_setup(wpa_s);
b22128ef
JM		 461 }
462
463 if (persistent)
464 wpas_p2p_store_persistent_group(wpa_s->parent, ssid,
465 go_dev_addr);
466}
467
468
469static void wpas_send_action_cb(void *eloop_ctx, void *timeout_ctx)
470{
471 struct wpa_supplicant *wpa_s = eloop_ctx;
472 struct wpa_supplicant *iface;
473 int res;
474 int without_roc;
475
476 without_roc = wpa_s->pending_action_without_roc;
477 wpa_s->pending_action_without_roc = 0;
ab218b7c
JM		 478 wpa_printf(MSG_DEBUG, "P2P: Send Action callback (without_roc=%d "
479 "pending_action_tx=%p)",
480 without_roc, wpa_s->pending_action_tx);
b22128ef
JM		 481
482 if (wpa_s->pending_action_tx == NULL)
483 return;
484
485 if (wpa_s->off_channel_freq != wpa_s->pending_action_freq &&
486 wpa_s->pending_action_freq != 0) {
487 wpa_printf(MSG_DEBUG, "P2P: Pending Action frame TX "
488 "waiting for another freq=%u (off_channel_freq=%u)",
489 wpa_s->pending_action_freq,
490 wpa_s->off_channel_freq);
491 if (without_roc && wpa_s->off_channel_freq == 0) {
492 /*
493 * We may get here if wpas_send_action() found us to be
494 * on the correct channel, but remain-on-channel cancel
495 * event was received before getting here.
496 */
497 wpa_printf(MSG_DEBUG, "P2P: Schedule "
498 "remain-on-channel to send Action frame");
499 if (wpa_drv_remain_on_channel(
500 wpa_s, wpa_s->pending_action_freq, 200) <
501 0) {
502 wpa_printf(MSG_DEBUG, "P2P: Failed to request "
503 "driver to remain on channel (%u "
504 "MHz) for Action Frame TX",
505 wpa_s->pending_action_freq);
07a30a66
JM		 506 } else
507 wpa_s->roc_waiting_drv_freq =
508 wpa_s->pending_action_freq;
b22128ef
JM		 509 }
510 return;
511 }
512
513 /*
514 * This call is likely going to be on the P2P device instance if the
515 * driver uses a separate interface for that purpose. However, some
516 * Action frames are actually sent within a P2P Group and when that is
517 * the case, we need to follow power saving (e.g., GO buffering the
d6ae9950 518 * frame for a client in PS mode or a client following the advertised
b22128ef
JM		 519 * NoA from its GO). To make that easier for the driver, select the
520 * correct group interface here.
521 */
522 if (os_memcmp(wpa_s->pending_action_src, wpa_s->own_addr, ETH_ALEN) !=
523 0) {
524 /*
525 * Try to find a group interface that matches with the source
526 * address.
527 */
528 iface = wpa_s->global->ifaces;
529 while (iface) {
530 if (os_memcmp(wpa_s->pending_action_src,
531 iface->own_addr, ETH_ALEN) == 0)
532 break;
d6ae9950 533 iface = iface->next;
b22128ef
JM		 534 }
535 if (iface) {
536 wpa_printf(MSG_DEBUG, "P2P: Use group interface %s "
537 "instead of interface %s for Action TX",
538 iface->ifname, wpa_s->ifname);
539 } else
540 iface = wpa_s;
541 } else
542 iface = wpa_s;
543
544 wpa_printf(MSG_DEBUG, "P2P: Sending pending Action frame to "
545 MACSTR " using interface %s",
546 MAC2STR(wpa_s->pending_action_dst), iface->ifname);
547 res = wpa_drv_send_action(iface, wpa_s->pending_action_freq,
548 wpa_s->pending_action_dst,
549 wpa_s->pending_action_src,
550 wpa_s->pending_action_bssid,
551 wpabuf_head(wpa_s->pending_action_tx),
552 wpabuf_len(wpa_s->pending_action_tx));
553 if (res) {
554 wpa_printf(MSG_DEBUG, "P2P: Failed to send the pending "
555 "Action frame");
556 /*
557 * Use fake TX status event to allow P2P state machine to
558 * continue.
559 */
560 wpas_send_action_tx_status(
561 wpa_s, wpa_s->pending_action_dst,
562 wpabuf_head(wpa_s->pending_action_tx),
563 wpabuf_len(wpa_s->pending_action_tx), 0);
564 }
565}
566
567
568void wpas_send_action_tx_status(struct wpa_supplicant *wpa_s, const u8 *dst,
569 const u8 *data, size_t data_len, int ack)
570{
571 if (wpa_s->global->p2p_disabled)
572 return;
573
574 if (wpa_s->pending_action_tx == NULL) {
575 wpa_printf(MSG_DEBUG, "P2P: Ignore Action TX status - no "
576 "pending operation");
577 return;
578 }
579
580 if (os_memcmp(dst, wpa_s->pending_action_dst, ETH_ALEN) != 0) {
581 wpa_printf(MSG_DEBUG, "P2P: Ignore Action TX status - unknown "
582 "destination address");
583 return;
584 }
585
586 wpabuf_free(wpa_s->pending_action_tx);
587 wpa_s->pending_action_tx = NULL;
588
589 p2p_send_action_cb(wpa_s->global->p2p, wpa_s->pending_action_freq,
590 wpa_s->pending_action_dst,
591 wpa_s->pending_action_src,
592 wpa_s->pending_action_bssid,
593 ack);
594
595 if (wpa_s->pending_pd_before_join &&
596 (os_memcmp(wpa_s->pending_action_dst, wpa_s->pending_join_dev_addr,
597 ETH_ALEN) == 0 ||
598 os_memcmp(wpa_s->pending_action_dst,
599 wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
600 wpa_s->pending_pd_before_join = 0;
601 wpa_printf(MSG_DEBUG, "P2P: Starting pending "
602 "join-existing-group operation");
603 wpas_p2p_join_start(wpa_s);
604 }
605}
606
607
608static int wpas_send_action(void *ctx, unsigned int freq, const u8 *dst,
609 const u8 *src, const u8 *bssid, const u8 *buf,
610 size_t len, unsigned int wait_time)
611{
612 struct wpa_supplicant *wpa_s = ctx;
613
614 wpa_printf(MSG_DEBUG, "P2P: Send action frame: freq=%d dst=" MACSTR
ab218b7c
JM		 615 " src=" MACSTR " bssid=" MACSTR " len=%d",
616 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
617 (int) len);
b22128ef
JM		 618
619 if (wpa_s->pending_action_tx) {
620 wpa_printf(MSG_DEBUG, "P2P: Dropped pending Action frame TX "
621 "to " MACSTR, MAC2STR(wpa_s->pending_action_dst));
622 wpabuf_free(wpa_s->pending_action_tx);
623 }
624 wpa_s->pending_action_tx = wpabuf_alloc(len);
ab218b7c
JM		 625 if (wpa_s->pending_action_tx == NULL) {
626 wpa_printf(MSG_DEBUG, "P2P: Failed to allocate Action frame "
627 "TX buffer (len=%llu)", (unsigned long long) len);
b22128ef 628 return -1;
ab218b7c 629 }
b22128ef
JM		 630 wpabuf_put_data(wpa_s->pending_action_tx, buf, len);
631 os_memcpy(wpa_s->pending_action_src, src, ETH_ALEN);
632 os_memcpy(wpa_s->pending_action_dst, dst, ETH_ALEN);
633 os_memcpy(wpa_s->pending_action_bssid, bssid, ETH_ALEN);
634 wpa_s->pending_action_freq = freq;
635
636 if (wpa_s->off_channel_freq == freq || freq == 0) {
ab218b7c
JM		 637 wpa_printf(MSG_DEBUG, "P2P: Already on requested channel; "
638 "send Action frame immediately");
b22128ef
JM		 639 /* TODO: Would there ever be need to extend the current
640 * duration on the channel? */
641 wpa_s->pending_action_without_roc = 1;
642 eloop_cancel_timeout(wpas_send_action_cb, wpa_s, NULL);
643 eloop_register_timeout(0, 0, wpas_send_action_cb, wpa_s, NULL);
644 return 0;
645 }
646 wpa_s->pending_action_without_roc = 0;
647
07a30a66
JM		 648 if (wpa_s->roc_waiting_drv_freq == freq) {
649 wpa_printf(MSG_DEBUG, "P2P: Already waiting for driver to get "
650 "to frequency %u MHz; continue waiting to send the "
651 "Action frame", freq);
652 return 0;
653 }
654
b22128ef
JM		 655 wpa_printf(MSG_DEBUG, "P2P: Schedule Action frame to be transmitted "
656 "once the driver gets to the requested channel");
657 if (wait_time > wpa_s->max_remain_on_chan)
658 wait_time = wpa_s->max_remain_on_chan;
659 if (wpa_drv_remain_on_channel(wpa_s, freq, wait_time) < 0) {
660 wpa_printf(MSG_DEBUG, "P2P: Failed to request driver "
661 "to remain on channel (%u MHz) for Action "
662 "Frame TX", freq);
663 return -1;
664 }
07a30a66 665 wpa_s->roc_waiting_drv_freq = freq;
b22128ef
JM		 666
667 return 0;
668}
669
670
671static void wpas_send_action_done(void *ctx)
672{
673 struct wpa_supplicant *wpa_s = ctx;
674 wpa_printf(MSG_DEBUG, "P2P: Action frame sequence done notification");
675 wpabuf_free(wpa_s->pending_action_tx);
676 wpa_s->pending_action_tx = NULL;
677 if (wpa_s->off_channel_freq) {
678 wpa_drv_cancel_remain_on_channel(wpa_s);
679 wpa_s->off_channel_freq = 0;
07a30a66 680 wpa_s->roc_waiting_drv_freq = 0;
b22128ef
JM		 681 }
682}
683
684
685static int wpas_copy_go_neg_results(struct wpa_supplicant *wpa_s,
686 struct p2p_go_neg_results *params)
687{
688 if (wpa_s->go_params == NULL) {
689 wpa_s->go_params = os_malloc(sizeof(*params));
690 if (wpa_s->go_params == NULL)
691 return -1;
692 }
693 os_memcpy(wpa_s->go_params, params, sizeof(*params));
694 return 0;
695}
696
697
698static void wpas_start_wps_enrollee(struct wpa_supplicant *wpa_s,
699 struct p2p_go_neg_results *res)
700{
701 wpa_supplicant_ap_deinit(wpa_s);
702 wpas_copy_go_neg_results(wpa_s, res);
703 if (res->wps_method == WPS_PBC)
704 wpas_wps_start_pbc(wpa_s, NULL /* res->peer_interface_addr */,
705 1);
3c5126a4
JM		 706 else {
707 u16 dev_pw_id = DEV_PW_DEFAULT;
708 if (wpa_s->p2p_wps_method == WPS_PIN_KEYPAD)
709 dev_pw_id = DEV_PW_REGISTRAR_SPECIFIED;
b22128ef 710 wpas_wps_start_pin(wpa_s, res->peer_interface_addr,
3c5126a4
JM		 711 wpa_s->p2p_pin, 1, dev_pw_id);
712 }
b22128ef
JM		 713}
714
715
716static void p2p_go_configured(void *ctx, void *data)
717{
718 struct wpa_supplicant *wpa_s = ctx;
719 struct p2p_go_neg_results *params = data;
720 struct wpa_ssid *ssid;
721
722 ssid = wpa_s->current_ssid;
723 if (ssid && ssid->mode == WPAS_MODE_P2P_GO) {
724 wpa_printf(MSG_DEBUG, "P2P: Group setup without provisioning");
725 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
726 "%s GO ssid=\"%s\" passphrase=\"%s\" go_dev_addr="
727 MACSTR "%s",
728 wpa_s->ifname,
729 wpa_ssid_txt(ssid->ssid, ssid->ssid_len),
730 params->passphrase ? params->passphrase : "",
731 MAC2STR(wpa_s->parent->own_addr),
732 params->persistent_group ? " [PERSISTENT]" : "");
733 if (params->persistent_group)
734 wpas_p2p_store_persistent_group(
735 wpa_s->parent, ssid,
736 wpa_s->parent->own_addr);
72044390 737 wpas_p2p_cross_connect_setup(wpa_s);
b22128ef
JM		 738 return;
739 }
740
741 wpa_printf(MSG_DEBUG, "P2P: Setting up WPS for GO provisioning");
742 if (wpa_supplicant_ap_mac_addr_filter(wpa_s,
743 params->peer_interface_addr)) {
744 wpa_printf(MSG_DEBUG, "P2P: Failed to setup MAC address "
745 "filtering");
746 return;
747 }
748 if (params->wps_method == WPS_PBC)
749 wpa_supplicant_ap_wps_pbc(wpa_s, params->peer_interface_addr);
750 else if (wpa_s->p2p_pin[0])
751 wpa_supplicant_ap_wps_pin(wpa_s, params->peer_interface_addr,
752 wpa_s->p2p_pin, NULL, 0);
753 os_free(wpa_s->go_params);
754 wpa_s->go_params = NULL;
755}
756
757
758static void wpas_start_wps_go(struct wpa_supplicant *wpa_s,
759 struct p2p_go_neg_results *params,
760 int group_formation)
761{
762 struct wpa_ssid *ssid;
763
764 if (wpas_copy_go_neg_results(wpa_s, params) < 0)
765 return;
766
767 ssid = wpa_config_add_network(wpa_s->conf);
768 if (ssid == NULL)
769 return;
770
771 wpa_config_set_network_defaults(ssid);
772 ssid->temporary = 1;
773 ssid->p2p_group = 1;
774 ssid->p2p_persistent_group = params->persistent_group;
775 ssid->mode = group_formation ? WPAS_MODE_P2P_GROUP_FORMATION :
776 WPAS_MODE_P2P_GO;
777 ssid->frequency = params->freq;
778 ssid->ssid = os_zalloc(params->ssid_len + 1);
779 if (ssid->ssid) {
780 os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
781 ssid->ssid_len = params->ssid_len;
782 }
783 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
784 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
785 ssid->proto = WPA_PROTO_RSN;
786 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
787 ssid->passphrase = os_strdup(params->passphrase);
788
789 wpa_s->ap_configured_cb = p2p_go_configured;
790 wpa_s->ap_configured_cb_ctx = wpa_s;
791 wpa_s->ap_configured_cb_data = wpa_s->go_params;
792 wpa_s->connect_without_scan = 1;
793 wpa_s->reassociate = 1;
794 wpa_s->disconnected = 0;
795 wpa_supplicant_req_scan(wpa_s, 0, 0);
796}
797
798
799static void wpas_p2p_clone_config(struct wpa_supplicant *dst,
800 const struct wpa_supplicant *src)
801{
802 struct wpa_config *d;
803 const struct wpa_config *s;
804
805 d = dst->conf;
806 s = src->conf;
807
808#define C(n) if (s->n) d->n = os_strdup(s->n)
809 C(device_name);
810 C(manufacturer);
811 C(model_name);
812 C(model_number);
813 C(serial_number);
814 C(device_type);
815 C(config_methods);
816#undef C
817}
818
819
820static int wpas_p2p_add_group_interface(struct wpa_supplicant *wpa_s,
821 enum wpa_driver_if_type type)
822{
823 char ifname[120], force_ifname[120];
824
825 if (wpa_s->pending_interface_name[0]) {
826 wpa_printf(MSG_DEBUG, "P2P: Pending virtual interface exists "
827 "- skip creation of a new one");
828 if (is_zero_ether_addr(wpa_s->pending_interface_addr)) {
829 wpa_printf(MSG_DEBUG, "P2P: Pending virtual address "
830 "unknown?! ifname='%s'",
831 wpa_s->pending_interface_name);
832 return -1;
833 }
834 return 0;
835 }
836
837 os_snprintf(ifname, sizeof(ifname), "%s-p2p-%d", wpa_s->ifname,
838 wpa_s->p2p_group_idx);
839 force_ifname[0] = '\0';
840
841 wpa_printf(MSG_DEBUG, "P2P: Create a new interface %s for the group",
842 ifname);
843 wpa_s->p2p_group_idx++;
844
845 wpa_s->pending_interface_type = type;
846 if (wpa_drv_if_add(wpa_s, type, ifname, NULL, NULL, force_ifname,
847 wpa_s->pending_interface_addr) < 0) {
848 wpa_printf(MSG_ERROR, "P2P: Failed to create new group "
849 "interface");
850 return -1;
851 }
852
853 if (force_ifname[0]) {
854 wpa_printf(MSG_DEBUG, "P2P: Driver forced interface name %s",
855 force_ifname);
856 os_strlcpy(wpa_s->pending_interface_name, force_ifname,
857 sizeof(wpa_s->pending_interface_name));
858 } else
859 os_strlcpy(wpa_s->pending_interface_name, ifname,
860 sizeof(wpa_s->pending_interface_name));
861 wpa_printf(MSG_DEBUG, "P2P: Created pending virtual interface %s addr "
862 MACSTR, wpa_s->pending_interface_name,
863 MAC2STR(wpa_s->pending_interface_addr));
864
865 return 0;
866}
867
868
869static void wpas_p2p_remove_pending_group_interface(
870 struct wpa_supplicant *wpa_s)
871{
872 if (!wpa_s->pending_interface_name[0] ||
873 is_zero_ether_addr(wpa_s->pending_interface_addr))
874 return; /* No pending virtual interface */
875
876 wpa_printf(MSG_DEBUG, "P2P: Removing pending group interface %s",
877 wpa_s->pending_interface_name);
878 wpa_drv_if_remove(wpa_s, wpa_s->pending_interface_type,
879 wpa_s->pending_interface_name);
880 os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
881 wpa_s->pending_interface_name[0] = '\0';
882}
883
884
885static struct wpa_supplicant *
886wpas_p2p_init_group_interface(struct wpa_supplicant *wpa_s, int go)
887{
888 struct wpa_interface iface;
889 struct wpa_supplicant *group_wpa_s;
890
891 if (!wpa_s->pending_interface_name[0]) {
892 wpa_printf(MSG_ERROR, "P2P: No pending group interface");
893 return NULL;
894 }
895
896 os_memset(&iface, 0, sizeof(iface));
897 iface.ifname = wpa_s->pending_interface_name;
898 iface.driver = wpa_s->driver->name;
899 iface.ctrl_interface = wpa_s->conf->ctrl_interface;
900 iface.driver_param = wpa_s->conf->driver_param;
901 group_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface);
902 if (group_wpa_s == NULL) {
903 wpa_printf(MSG_ERROR, "P2P: Failed to create new "
904 "wpa_supplicant interface");
905 return NULL;
906 }
907 wpa_s->pending_interface_name[0] = '\0';
908 group_wpa_s->parent = wpa_s;
909 group_wpa_s->p2p_group_interface = go ? P2P_GROUP_INTERFACE_GO :
910 P2P_GROUP_INTERFACE_CLIENT;
911 wpa_s->global->p2p_group_formation = group_wpa_s;
912
913 wpas_p2p_clone_config(group_wpa_s, wpa_s);
914
915 return group_wpa_s;
916}
917
918
919static void wpas_p2p_group_formation_timeout(void *eloop_ctx,
920 void *timeout_ctx)
921{
922 struct wpa_supplicant *wpa_s = eloop_ctx;
923 wpa_printf(MSG_DEBUG, "P2P: Group Formation timed out");
924 if (wpa_s->global->p2p)
925 p2p_group_formation_failed(wpa_s->global->p2p);
926 wpas_group_formation_completed(wpa_s, 0);
927}
928
929
930void wpas_go_neg_completed(void *ctx, struct p2p_go_neg_results *res)
931{
932 struct wpa_supplicant *wpa_s = ctx;
933
934 if (wpa_s->off_channel_freq) {
935 wpa_drv_cancel_remain_on_channel(wpa_s);
936 wpa_s->off_channel_freq = 0;
07a30a66 937 wpa_s->roc_waiting_drv_freq = 0;
b22128ef
JM		 938 }
939
940 if (res->status) {
941 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_FAILURE "status=%d",
942 res->status);
943 wpas_p2p_remove_pending_group_interface(wpa_s);
944 return;
945 }
946
947 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_SUCCESS);
948
949 if (wpa_s->create_p2p_iface) {
950 struct wpa_supplicant *group_wpa_s =
951 wpas_p2p_init_group_interface(wpa_s, res->role_go);
952 if (group_wpa_s == NULL) {
953 wpas_p2p_remove_pending_group_interface(wpa_s);
954 return;
955 }
3c5126a4 956 if (group_wpa_s != wpa_s) {
b22128ef
JM		 957 os_memcpy(group_wpa_s->p2p_pin, wpa_s->p2p_pin,
958 sizeof(group_wpa_s->p2p_pin));
3c5126a4
JM		 959 group_wpa_s->p2p_wps_method = wpa_s->p2p_wps_method;
960 }
b22128ef
JM		 961 os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
962 wpa_s->pending_interface_name[0] = '\0';
963 group_wpa_s->p2p_in_provisioning = 1;
964
965 if (res->role_go)
966 wpas_start_wps_go(group_wpa_s, res, 1);
967 else
968 wpas_start_wps_enrollee(group_wpa_s, res);
969 } else {
970 wpa_s->p2p_in_provisioning = 1;
971 wpa_s->global->p2p_group_formation = wpa_s;
972
973 if (res->role_go)
974 wpas_start_wps_go(wpa_s, res, 1);
975 else
976 wpas_start_wps_enrollee(ctx, res);
977 }
978
979 wpa_s->p2p_long_listen = 0;
980 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
981
982 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
983 /* TODO: add peer Config Timeout */
984 eloop_register_timeout(15, 0, wpas_p2p_group_formation_timeout, wpa_s,
985 NULL);
986}
987
988
3dfda83d 989void wpas_go_neg_req_rx(void *ctx, const u8 *src, u16 dev_passwd_id)
b22128ef
JM		 990{
991 struct wpa_supplicant *wpa_s = ctx;
3dfda83d
JM		 992 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_REQUEST MACSTR
993 " dev_passwd_id=%u", MAC2STR(src), dev_passwd_id);
b22128ef
JM		 994}
995
996
997void wpas_dev_found(void *ctx, const u8 *addr, const u8 *dev_addr,
998 const u8 *pri_dev_type, const char *dev_name,
999 u16 config_methods, u8 dev_capab, u8 group_capab)
1000{
1001 struct wpa_supplicant *wpa_s = ctx;
1002 char devtype[WPS_DEV_TYPE_BUFSIZE];
1003 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_FOUND MACSTR
1004 " p2p_dev_addr=" MACSTR
1005 " pri_dev_type=%s name='%s' config_methods=0x%x "
1006 "dev_capab=0x%x group_capab=0x%x",
1007 MAC2STR(addr), MAC2STR(dev_addr),
1008 wps_dev_type_bin2str(pri_dev_type, devtype, sizeof(devtype)),
1009 dev_name, config_methods, dev_capab, group_capab);
1010}
1011
1012
1013static int wpas_start_listen(void *ctx, unsigned int freq,
1014 unsigned int duration,
1015 const struct wpabuf *probe_resp_ie)
1016{
1017 struct wpa_supplicant *wpa_s = ctx;
1018
1019 wpa_drv_set_ap_wps_ie(wpa_s, NULL, probe_resp_ie);
1020
1021 if (wpa_drv_probe_req_report(wpa_s, 1) < 0) {
1022 wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver to "
1023 "report received Probe Request frames");
1024 return -1;
1025 }
1026
1027 wpa_s->pending_listen_freq = freq;
1028 wpa_s->pending_listen_duration = duration;
1029
1030 if (wpa_drv_remain_on_channel(wpa_s, freq, duration) < 0) {
1031 wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver "
1032 "to remain on channel (%u MHz) for Listen "
1033 "state", freq);
1034 wpa_s->pending_listen_freq = 0;
1035 return -1;
1036 }
07a30a66 1037 wpa_s->roc_waiting_drv_freq = freq;
b22128ef
JM		 1038
1039 return 0;
1040}
1041
1042
1043static void wpas_stop_listen(void *ctx)
1044{
1045 struct wpa_supplicant *wpa_s = ctx;
1046 if (wpa_s->off_channel_freq) {
1047 wpa_drv_cancel_remain_on_channel(wpa_s);
1048 wpa_s->off_channel_freq = 0;
07a30a66 1049 wpa_s->roc_waiting_drv_freq = 0;
b22128ef
JM		 1050 }
1051 wpa_drv_probe_req_report(wpa_s, 0);
1052}
1053
1054
1055static int wpas_send_probe_resp(void *ctx, const struct wpabuf *buf)
1056{
1057 struct wpa_supplicant *wpa_s = ctx;
1058 return wpa_drv_send_mlme(wpa_s, wpabuf_head(buf), wpabuf_len(buf));
1059}
1060
1061
1062static struct p2p_srv_bonjour *
1063wpas_p2p_service_get_bonjour(struct wpa_supplicant *wpa_s,
1064 const struct wpabuf *query)
1065{
1066 struct p2p_srv_bonjour *bsrv;
1067 size_t len;
1068
1069 len = wpabuf_len(query);
1070 dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour,
1071 struct p2p_srv_bonjour, list) {
1072 if (len == wpabuf_len(bsrv->query) &&
1073 os_memcmp(wpabuf_head(query), wpabuf_head(bsrv->query),
1074 len) == 0)
1075 return bsrv;
1076 }
1077 return NULL;
1078}
1079
1080
1081static struct p2p_srv_upnp *
1082wpas_p2p_service_get_upnp(struct wpa_supplicant *wpa_s, u8 version,
1083 const char *service)
1084{
1085 struct p2p_srv_upnp *usrv;
1086
1087 dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
1088 struct p2p_srv_upnp, list) {
1089 if (version == usrv->version &&
1090 os_strcmp(service, usrv->service) == 0)
1091 return usrv;
1092 }
1093 return NULL;
1094}
1095
1096
1097static void wpas_sd_add_proto_not_avail(struct wpabuf *resp, u8 srv_proto,
1098 u8 srv_trans_id)
1099{
1100 u8 *len_pos;
1101
1102 if (wpabuf_tailroom(resp) < 5)
1103 return;
1104
1105 /* Length (to be filled) */
1106 len_pos = wpabuf_put(resp, 2);
1107 wpabuf_put_u8(resp, srv_proto);
1108 wpabuf_put_u8(resp, srv_trans_id);
1109 /* Status Code */
1110 wpabuf_put_u8(resp, P2P_SD_PROTO_NOT_AVAILABLE);
1111 /* Response Data: empty */
1112 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
1113}
1114
1115
1116static void wpas_sd_all_bonjour(struct wpa_supplicant *wpa_s,
1117 struct wpabuf *resp, u8 srv_trans_id)
1118{
1119 struct p2p_srv_bonjour *bsrv;
1120 u8 *len_pos;
1121
1122 wpa_printf(MSG_DEBUG, "P2P: SD Request for all Bonjour services");
1123
1124 if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
1125 wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available");
1126 return;
1127 }
1128
1129 dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour,
1130 struct p2p_srv_bonjour, list) {
1131 if (wpabuf_tailroom(resp) <
1132 5 + wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp))
1133 return;
1134 /* Length (to be filled) */
1135 len_pos = wpabuf_put(resp, 2);
1136 wpabuf_put_u8(resp, P2P_SERV_BONJOUR);
1137 wpabuf_put_u8(resp, srv_trans_id);
1138 /* Status Code */
1139 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1140 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service",
1141 wpabuf_head(bsrv->resp),
1142 wpabuf_len(bsrv->resp));
1143 /* Response Data */
1144 wpabuf_put_buf(resp, bsrv->query); /* Key */
1145 wpabuf_put_buf(resp, bsrv->resp); /* Value */
1146 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
1147 2);
1148 }
1149}
1150
1151
1152static void wpas_sd_req_bonjour(struct wpa_supplicant *wpa_s,
1153 struct wpabuf *resp, u8 srv_trans_id,
1154 const u8 *query, size_t query_len)
1155{
1156 struct p2p_srv_bonjour *bsrv;
1157 struct wpabuf buf;
1158 u8 *len_pos;
1159
1160 wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for Bonjour",
1161 query, query_len);
1162 if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
1163 wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available");
1164 wpas_sd_add_proto_not_avail(resp, P2P_SERV_BONJOUR,
1165 srv_trans_id);
1166 return;
1167 }
1168
1169 if (query_len == 0) {
1170 wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
1171 return;
1172 }
1173
1174 if (wpabuf_tailroom(resp) < 5)
1175 return;
1176 /* Length (to be filled) */
1177 len_pos = wpabuf_put(resp, 2);
1178 wpabuf_put_u8(resp, P2P_SERV_BONJOUR);
1179 wpabuf_put_u8(resp, srv_trans_id);
1180
1181 wpabuf_set(&buf, query, query_len);
1182 bsrv = wpas_p2p_service_get_bonjour(wpa_s, &buf);
1183 if (bsrv == NULL) {
1184 wpa_printf(MSG_DEBUG, "P2P: Requested Bonjour service not "
1185 "available");
1186
1187 /* Status Code */
bf608cad 1188 wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE);
b22128ef
JM		 1189 /* Response Data: empty */
1190 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
1191 2);
1192 return;
1193 }
1194
1195 /* Status Code */
1196 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1197 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service",
1198 wpabuf_head(bsrv->resp), wpabuf_len(bsrv->resp));
1199
1200 if (wpabuf_tailroom(resp) >=
1201 wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp)) {
1202 /* Response Data */
1203 wpabuf_put_buf(resp, bsrv->query); /* Key */
1204 wpabuf_put_buf(resp, bsrv->resp); /* Value */
1205 }
1206 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
1207}
1208
1209
1210static void wpas_sd_all_upnp(struct wpa_supplicant *wpa_s,
1211 struct wpabuf *resp, u8 srv_trans_id)
1212{
1213 struct p2p_srv_upnp *usrv;
1214 u8 *len_pos;
1215
1216 wpa_printf(MSG_DEBUG, "P2P: SD Request for all UPnP services");
1217
1218 if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) {
1219 wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available");
1220 return;
1221 }
1222
1223 dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
1224 struct p2p_srv_upnp, list) {
1225 if (wpabuf_tailroom(resp) < 5 + 1 + os_strlen(usrv->service))
1226 return;
1227
1228 /* Length (to be filled) */
1229 len_pos = wpabuf_put(resp, 2);
1230 wpabuf_put_u8(resp, P2P_SERV_UPNP);
1231 wpabuf_put_u8(resp, srv_trans_id);
1232
1233 /* Status Code */
1234 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1235 /* Response Data */
1236 wpabuf_put_u8(resp, usrv->version);
1237 wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s",
1238 usrv->service);
1239 wpabuf_put_str(resp, usrv->service);
1240 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
1241 2);
1242 }
1243}
1244
1245
1246static void wpas_sd_req_upnp(struct wpa_supplicant *wpa_s,
1247 struct wpabuf *resp, u8 srv_trans_id,
1248 const u8 *query, size_t query_len)
1249{
1250 struct p2p_srv_upnp *usrv;
1251 u8 *len_pos;
1252 u8 version;
1253 char *str;
1254 int count = 0;
1255
1256 wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for UPnP",
1257 query, query_len);
1258
1259 if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) {
1260 wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available");
1261 wpas_sd_add_proto_not_avail(resp, P2P_SERV_UPNP,
1262 srv_trans_id);
1263 return;
1264 }
1265
1266 if (query_len == 0) {
1267 wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
1268 return;
1269 }
1270
1271 version = query[0];
1272 str = os_malloc(query_len);
1273 if (str == NULL)
1274 return;
1275 os_memcpy(str, query + 1, query_len - 1);
1276 str[query_len - 1] = '\0';
1277
1278 if (wpabuf_tailroom(resp) < 5)
1279 return;
1280
1281 /* Length (to be filled) */
1282 len_pos = wpabuf_put(resp, 2);
1283 wpabuf_put_u8(resp, P2P_SERV_UPNP);
1284 wpabuf_put_u8(resp, srv_trans_id);
1285
1286 dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
1287 struct p2p_srv_upnp, list) {
1288 if (version != usrv->version)
1289 continue;
1290
1291 if (os_strcmp(str, "ssdp:all") != 0 &&
1292 os_strstr(usrv->service, str) == NULL)
1293 continue;
1294
1295 if (wpabuf_tailroom(resp) < 2)
1296 break;
1297 if (count == 0) {
1298 /* Status Code */
1299 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1300 /* Response Data */
1301 wpabuf_put_u8(resp, version);
1302 } else
1303 wpabuf_put_u8(resp, ',');
1304
1305 count++;
1306
1307 wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s",
1308 usrv->service);
1309 if (wpabuf_tailroom(resp) < os_strlen(usrv->service))
1310 break;
1311 wpabuf_put_str(resp, usrv->service);
1312 }
1313
1314 if (count == 0) {
1315 wpa_printf(MSG_DEBUG, "P2P: Requested UPnP service not "
1316 "available");
1317 /* Status Code */
bf608cad 1318 wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE);
b22128ef
JM		 1319 /* Response Data: empty */
1320 }
1321
1322 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
1323}
1324
1325
1326void wpas_sd_request(void *ctx, int freq, const u8 *sa, u8 dialog_token,
1327 u16 update_indic, const u8 *tlvs, size_t tlvs_len)
1328{
1329 struct wpa_supplicant *wpa_s = ctx;
1330 const u8 *pos = tlvs;
1331 const u8 *end = tlvs + tlvs_len;
1332 const u8 *tlv_end;
1333 u16 slen;
1334 struct wpabuf *resp;
1335 u8 srv_proto, srv_trans_id;
1336 size_t buf_len;
1337 char *buf;
1338
1339 wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Request TLVs",
1340 tlvs, tlvs_len);
1341 buf_len = 2 * tlvs_len + 1;
1342 buf = os_malloc(buf_len);
1343 if (buf) {
1344 wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len);
1345 wpa_msg_ctrl(wpa_s, MSG_INFO, P2P_EVENT_SERV_DISC_REQ "%d "
1346 MACSTR " %u %u %s",
1347 freq, MAC2STR(sa), dialog_token, update_indic,
1348 buf);
1349 os_free(buf);
1350 }
1351
1352 if (wpa_s->p2p_sd_over_ctrl_iface)
1353 return; /* to be processed by an external program */
1354
1355 resp = wpabuf_alloc(10000);
1356 if (resp == NULL)
1357 return;
1358
1359 while (pos + 1 < end) {
1360 wpa_printf(MSG_DEBUG, "P2P: Service Request TLV");
1361 slen = WPA_GET_LE16(pos);
1362 pos += 2;
1363 if (pos + slen > end || slen < 2) {
1364 wpa_printf(MSG_DEBUG, "P2P: Unexpected Query Data "
1365 "length");
1366 wpabuf_free(resp);
1367 return;
1368 }
1369 tlv_end = pos + slen;
1370
1371 srv_proto = *pos++;
1372 wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u",
1373 srv_proto);
1374 srv_trans_id = *pos++;
1375 wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u",
1376 srv_trans_id);
1377
1378 wpa_hexdump(MSG_MSGDUMP, "P2P: Query Data",
1379 pos, tlv_end - pos);
1380
6e6963ea
JM		 1381
1382 if (wpa_s->force_long_sd) {
1383 wpa_printf(MSG_DEBUG, "P2P: SD test - force long "
1384 "response");
1385 wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
1386 wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
1387 goto done;
1388 }
1389
b22128ef
JM		 1390 switch (srv_proto) {
1391 case P2P_SERV_ALL_SERVICES:
1392 wpa_printf(MSG_DEBUG, "P2P: Service Discovery Request "
1393 "for all services");
1394 if (dl_list_empty(&wpa_s->global->p2p_srv_upnp) &&
1395 dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
1396 wpa_printf(MSG_DEBUG, "P2P: No service "
1397 "discovery protocols available");
1398 wpas_sd_add_proto_not_avail(
1399 resp, P2P_SERV_ALL_SERVICES,
1400 srv_trans_id);
1401 break;
1402 }
1403 wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
1404 wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
1405 break;
1406 case P2P_SERV_BONJOUR:
1407 wpas_sd_req_bonjour(wpa_s, resp, srv_trans_id,
1408 pos, tlv_end - pos);
1409 break;
1410 case P2P_SERV_UPNP:
1411 wpas_sd_req_upnp(wpa_s, resp, srv_trans_id,
1412 pos, tlv_end - pos);
1413 break;
1414 default:
1415 wpa_printf(MSG_DEBUG, "P2P: Unavailable service "
1416 "protocol %u", srv_proto);
1417 wpas_sd_add_proto_not_avail(resp, srv_proto,
1418 srv_trans_id);
1419 break;
1420 }
1421
1422 pos = tlv_end;
1423 }
1424
6e6963ea 1425done:
b22128ef
JM		 1426 wpas_p2p_sd_response(wpa_s, freq, sa, dialog_token, resp);
1427
1428 wpabuf_free(resp);
1429}
1430
1431
1432void wpas_sd_response(void *ctx, const u8 *sa, u16 update_indic,
1433 const u8 *tlvs, size_t tlvs_len)
1434{
1435 struct wpa_supplicant *wpa_s = ctx;
1436 const u8 *pos = tlvs;
1437 const u8 *end = tlvs + tlvs_len;
1438 const u8 *tlv_end;
1439 u16 slen;
1440 size_t buf_len;
1441 char *buf;
1442
1443 wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Response TLVs",
1444 tlvs, tlvs_len);
18708aad
JM		 1445 if (tlvs_len > 1500) {
1446 /* TODO: better way for handling this */
1447 wpa_msg_ctrl(wpa_s, MSG_INFO,
1448 P2P_EVENT_SERV_DISC_RESP MACSTR
1449 " %u <long response: %u bytes>",
1450 MAC2STR(sa), update_indic,
1451 (unsigned int) tlvs_len);
1452 } else {
1453 buf_len = 2 * tlvs_len + 1;
1454 buf = os_malloc(buf_len);
1455 if (buf) {
1456 wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len);
1457 wpa_msg_ctrl(wpa_s, MSG_INFO,
1458 P2P_EVENT_SERV_DISC_RESP MACSTR " %u %s",
1459 MAC2STR(sa), update_indic, buf);
1460 os_free(buf);
1461 }
b22128ef
JM		 1462 }
1463
1464 while (pos < end) {
1465 u8 srv_proto, srv_trans_id, status;
1466
1467 wpa_printf(MSG_DEBUG, "P2P: Service Response TLV");
1468 slen = WPA_GET_LE16(pos);
1469 pos += 2;
1470 if (pos + slen > end || slen < 3) {
1471 wpa_printf(MSG_DEBUG, "P2P: Unexpected Response Data "
1472 "length");
1473 return;
1474 }
1475 tlv_end = pos + slen;
1476
1477 srv_proto = *pos++;
1478 wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u",
1479 srv_proto);
1480 srv_trans_id = *pos++;
1481 wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u",
1482 srv_trans_id);
1483 status = *pos++;
1484 wpa_printf(MSG_DEBUG, "P2P: Status Code ID %u",
1485 status);
1486
1487 wpa_hexdump(MSG_MSGDUMP, "P2P: Response Data",
1488 pos, tlv_end - pos);
1489
1490 pos = tlv_end;
1491 }
1492}
1493
1494
1495void * wpas_p2p_sd_request(struct wpa_supplicant *wpa_s, const u8 *dst,
1496 const struct wpabuf *tlvs)
1497{
1498 return p2p_sd_request(wpa_s->global->p2p, dst, tlvs);
1499}
1500
1501
1502void * wpas_p2p_sd_request_upnp(struct wpa_supplicant *wpa_s, const u8 *dst,
1503 u8 version, const char *query)
1504{
1505 struct wpabuf *tlvs;
1506 void *ret;
1507
1508 tlvs = wpabuf_alloc(2 + 1 + 1 + 1 + os_strlen(query));
1509 if (tlvs == NULL)
1510 return NULL;
1511 wpabuf_put_le16(tlvs, 1 + 1 + 1 + os_strlen(query));
1512 wpabuf_put_u8(tlvs, P2P_SERV_UPNP); /* Service Protocol Type */
1513 wpabuf_put_u8(tlvs, 1); /* Service Transaction ID */
1514 wpabuf_put_u8(tlvs, version);
1515 wpabuf_put_str(tlvs, query);
1516 ret = wpas_p2p_sd_request(wpa_s, dst, tlvs);
1517 wpabuf_free(tlvs);
1518 return ret;
1519}
1520
1521
1522int wpas_p2p_sd_cancel_request(struct wpa_supplicant *wpa_s, void *req)
1523{
1524 return p2p_sd_cancel_request(wpa_s->global->p2p, req);
1525}
1526
1527
1528void wpas_p2p_sd_response(struct wpa_supplicant *wpa_s, int freq,
1529 const u8 *dst, u8 dialog_token,
1530 const struct wpabuf *resp_tlvs)
1531{
1532 p2p_sd_response(wpa_s->global->p2p, freq, dst, dialog_token,
1533 resp_tlvs);
1534}
1535
1536
1537void wpas_p2p_sd_service_update(struct wpa_supplicant *wpa_s)
1538{
1539 p2p_sd_service_update(wpa_s->global->p2p);
1540}
1541
1542
1543static void wpas_p2p_srv_bonjour_free(struct p2p_srv_bonjour *bsrv)
1544{
1545 dl_list_del(&bsrv->list);
1546 wpabuf_free(bsrv->query);
1547 wpabuf_free(bsrv->resp);
1548 os_free(bsrv);
1549}
1550
1551
1552static void wpas_p2p_srv_upnp_free(struct p2p_srv_upnp *usrv)
1553{
1554 dl_list_del(&usrv->list);
1555 os_free(usrv->service);
1556 os_free(usrv);
1557}
1558
1559
1560void wpas_p2p_service_flush(struct wpa_supplicant *wpa_s)
1561{
1562 struct p2p_srv_bonjour *bsrv, *bn;
1563 struct p2p_srv_upnp *usrv, *un;
1564
1565 dl_list_for_each_safe(bsrv, bn, &wpa_s->global->p2p_srv_bonjour,
1566 struct p2p_srv_bonjour, list)
1567 wpas_p2p_srv_bonjour_free(bsrv);
1568
1569 dl_list_for_each_safe(usrv, un, &wpa_s->global->p2p_srv_upnp,
1570 struct p2p_srv_upnp, list)
1571 wpas_p2p_srv_upnp_free(usrv);
1572
1573 wpas_p2p_sd_service_update(wpa_s);
1574}
1575
1576
1577int wpas_p2p_service_add_bonjour(struct wpa_supplicant *wpa_s,
1578 struct wpabuf *query, struct wpabuf *resp)
1579{
1580 struct p2p_srv_bonjour *bsrv;
1581
1582 bsrv = wpas_p2p_service_get_bonjour(wpa_s, query);
1583 if (bsrv) {
1584 wpabuf_free(query);
1585 wpabuf_free(bsrv->resp);
1586 bsrv->resp = resp;
1587 return 0;
1588 }
1589
1590 bsrv = os_zalloc(sizeof(*bsrv));
1591 if (bsrv == NULL)
1592 return -1;
1593 bsrv->query = query;
1594 bsrv->resp = resp;
1595 dl_list_add(&wpa_s->global->p2p_srv_bonjour, &bsrv->list);
1596
1597 wpas_p2p_sd_service_update(wpa_s);
1598 return 0;
1599}
1600
1601
1602int wpas_p2p_service_del_bonjour(struct wpa_supplicant *wpa_s,
1603 const struct wpabuf *query)
1604{
1605 struct p2p_srv_bonjour *bsrv;
1606
1607 bsrv = wpas_p2p_service_get_bonjour(wpa_s, query);
1608 if (bsrv == NULL)
1609 return -1;
1610 wpas_p2p_srv_bonjour_free(bsrv);
1611 wpas_p2p_sd_service_update(wpa_s);
1612 return 0;
1613}
1614
1615
1616int wpas_p2p_service_add_upnp(struct wpa_supplicant *wpa_s, u8 version,
1617 const char *service)
1618{
1619 struct p2p_srv_upnp *usrv;
1620
1621 if (wpas_p2p_service_get_upnp(wpa_s, version, service))
1622 return 0; /* Already listed */
1623 usrv = os_zalloc(sizeof(*usrv));
1624 if (usrv == NULL)
1625 return -1;
1626 usrv->version = version;
1627 usrv->service = os_strdup(service);
1628 if (usrv->service == NULL) {
1629 os_free(usrv);
1630 return -1;
1631 }
1632 dl_list_add(&wpa_s->global->p2p_srv_upnp, &usrv->list);
1633
1634 wpas_p2p_sd_service_update(wpa_s);
1635 return 0;
1636}
1637
1638
1639int wpas_p2p_service_del_upnp(struct wpa_supplicant *wpa_s, u8 version,
1640 const char *service)
1641{
1642 struct p2p_srv_upnp *usrv;
1643
1644 usrv = wpas_p2p_service_get_upnp(wpa_s, version, service);
1645 if (usrv == NULL)
1646 return -1;
1647 wpas_p2p_srv_upnp_free(usrv);
1648 wpas_p2p_sd_service_update(wpa_s);
1649 return 0;
1650}
1651
1652
1653static void wpas_prov_disc_local_display(struct wpa_supplicant *wpa_s,
1654 const u8 *peer, const char *params)
1655{
1656 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR " %08d%s",
1657 MAC2STR(peer), wps_generate_pin(), params);
1658}
1659
1660
1661static void wpas_prov_disc_local_keypad(struct wpa_supplicant *wpa_s,
1662 const u8 *peer, const char *params)
1663{
1664 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR "%s",
1665 MAC2STR(peer), params);
1666}
1667
1668
1669void wpas_prov_disc_req(void *ctx, const u8 *peer, u16 config_methods,
1670 const u8 *dev_addr, const u8 *pri_dev_type,
1671 const char *dev_name, u16 supp_config_methods,
1672 u8 dev_capab, u8 group_capab)
1673{
1674 struct wpa_supplicant *wpa_s = ctx;
1675 char devtype[WPS_DEV_TYPE_BUFSIZE];
1676 char params[200];
1677 u8 empty_dev_type[8];
1678
1679 if (pri_dev_type == NULL) {
1680 os_memset(empty_dev_type, 0, sizeof(empty_dev_type));
1681 pri_dev_type = empty_dev_type;
1682 }
1683 os_snprintf(params, sizeof(params), " p2p_dev_addr=" MACSTR
1684 " pri_dev_type=%s name='%s' config_methods=0x%x "
1685 "dev_capab=0x%x group_capab=0x%x",
1686 MAC2STR(dev_addr),
1687 wps_dev_type_bin2str(pri_dev_type, devtype,
1688 sizeof(devtype)),
1689 dev_name, supp_config_methods, dev_capab, group_capab);
1690 params[sizeof(params) - 1] = '\0';
1691
1692 if (config_methods & WPS_CONFIG_DISPLAY)
1693 wpas_prov_disc_local_display(wpa_s, peer, params);
1694 else if (config_methods & WPS_CONFIG_KEYPAD)
1695 wpas_prov_disc_local_keypad(wpa_s, peer, params);
1696 else if (config_methods & WPS_CONFIG_PUSHBUTTON)
1697 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_REQ MACSTR
1698 "%s", MAC2STR(peer), params);
1699}
1700
1701
1702void wpas_prov_disc_resp(void *ctx, const u8 *peer, u16 config_methods)
1703{
1704 struct wpa_supplicant *wpa_s = ctx;
1705 if (config_methods & WPS_CONFIG_DISPLAY)
1706 wpas_prov_disc_local_keypad(wpa_s, peer, "");
1707 else if (config_methods & WPS_CONFIG_KEYPAD)
1708 wpas_prov_disc_local_display(wpa_s, peer, "");
1709 else if (config_methods & WPS_CONFIG_PUSHBUTTON)
1710 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_RESP MACSTR,
1711 MAC2STR(peer));
a482883f
JM		 1712
1713 if (wpa_s->pending_pd_before_join &&
1714 (os_memcmp(peer, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 ||
1715 os_memcmp(peer, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
1716 wpa_s->pending_pd_before_join = 0;
1717 wpa_printf(MSG_DEBUG, "P2P: Starting pending "
1718 "join-existing-group operation");
1719 wpas_p2p_join_start(wpa_s);
1720 }
b22128ef
JM		 1721}
1722
1723
1724static u8 wpas_invitation_process(void *ctx, const u8 *sa, const u8 *bssid,
1725 const u8 *go_dev_addr, const u8 *ssid,
1726 size_t ssid_len, int *go, u8 *group_bssid,
1727 int *force_freq, int persistent_group)
1728{
1729 struct wpa_supplicant *wpa_s = ctx;
1730 struct wpa_ssid *s;
1731 u8 cur_bssid[ETH_ALEN];
1732 int res;
1733
1734 if (!persistent_group) {
1735 wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
1736 " to join an active group", MAC2STR(sa));
108def93 1737 if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) &&
131cb37c
JM		 1738 (os_memcmp(go_dev_addr, wpa_s->p2p_auth_invite, ETH_ALEN)
1739 == 0 ||
1740 os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0)) {
108def93
JM		 1741 wpa_printf(MSG_DEBUG, "P2P: Accept previously "
1742 "authorized invitation");
1743 goto accept_inv;
1744 }
b22128ef
JM		 1745 /*
1746 * Do not accept the invitation automatically; notify user and
1747 * request approval.
1748 */
1749 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
1750 }
1751
1752 if (!wpa_s->conf->persistent_reconnect)
1753 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
1754
1755 for (s = wpa_s->conf->ssid; s; s = s->next) {
1756 if (s->disabled == 2 &&
1757 os_memcmp(s->bssid, go_dev_addr, ETH_ALEN) == 0 &&
1758 s->ssid_len == ssid_len &&
1759 os_memcmp(ssid, s->ssid, ssid_len) == 0)
1760 break;
1761 }
1762
1763 if (!s) {
1764 wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
1765 " requested reinvocation of an unknown group",
1766 MAC2STR(sa));
1767 return P2P_SC_FAIL_UNKNOWN_GROUP;
1768 }
1769
1770 if (s->mode == WPAS_MODE_P2P_GO && !wpas_p2p_create_iface(wpa_s)) {
1771 *go = 1;
1772 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
1773 wpa_printf(MSG_DEBUG, "P2P: The only available "
1774 "interface is already in use - reject "
1775 "invitation");
1776 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
1777 }
1778 os_memcpy(group_bssid, wpa_s->own_addr, ETH_ALEN);
1779 } else if (s->mode == WPAS_MODE_P2P_GO) {
1780 *go = 1;
1781 if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO) < 0)
1782 {
1783 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
1784 "interface address for the group");
1785 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
1786 }
1787 os_memcpy(group_bssid, wpa_s->pending_interface_addr,
1788 ETH_ALEN);
1789 }
1790
108def93 1791accept_inv:
b22128ef
JM		 1792 if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, cur_bssid) == 0 &&
1793 wpa_s->assoc_freq) {
1794 wpa_printf(MSG_DEBUG, "P2P: Trying to force channel to match "
1795 "the channel we are already using");
1796 *force_freq = wpa_s->assoc_freq;
1797 }
1798
1799 res = wpa_drv_shared_freq(wpa_s);
1800 if (res > 0) {
1801 wpa_printf(MSG_DEBUG, "P2P: Trying to force channel to match "
1802 "with the channel we are already using on a "
1803 "shared interface");
1804 *force_freq = res;
1805 }
1806
1807 return P2P_SC_SUCCESS;
1808}
1809
1810
1811static void wpas_invitation_received(void *ctx, const u8 *sa, const u8 *bssid,
1812 const u8 *ssid, size_t ssid_len,
1813 const u8 *go_dev_addr, u8 status,
1814 int op_freq)
1815{
1816 struct wpa_supplicant *wpa_s = ctx;
1817 struct wpa_ssid *s;
1818
1819 for (s = wpa_s->conf->ssid; s; s = s->next) {
1820 if (s->disabled == 2 &&
1821 s->ssid_len == ssid_len &&
1822 os_memcmp(ssid, s->ssid, ssid_len) == 0)
1823 break;
1824 }
1825
1826 if (status == P2P_SC_SUCCESS) {
1827 wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
1828 " was accepted; op_freq=%d MHz",
1829 MAC2STR(sa), op_freq);
1830 if (s) {
1831 wpas_p2p_group_add_persistent(
1832 wpa_s, s, s->mode == WPAS_MODE_P2P_GO, 0);
108def93
JM		 1833 } else {
1834 wpas_p2p_join(wpa_s, bssid, go_dev_addr,
1835 wpa_s->p2p_wps_method);
b22128ef
JM		 1836 }
1837 return;
1838 }
1839
1840 if (status != P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
1841 wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
1842 " was rejected (status %u)", MAC2STR(sa), status);
1843 return;
1844 }
1845
1846 if (!s) {
1847 if (bssid) {
1848 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
1849 "sa=" MACSTR " go_dev_addr=" MACSTR
1850 " bssid=" MACSTR " unknown-network",
1851 MAC2STR(sa), MAC2STR(go_dev_addr),
1852 MAC2STR(bssid));
1853 } else {
1854 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
1855 "sa=" MACSTR " go_dev_addr=" MACSTR
1856 " unknown-network",
1857 MAC2STR(sa), MAC2STR(go_dev_addr));
1858 }
1859 return;
1860 }
1861
1862 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED "sa=" MACSTR
1863 " persistent=%d", MAC2STR(sa), s->id);
1864}
1865
1866
1867static void wpas_invitation_result(void *ctx, int status, const u8 *bssid)
1868{
1869 struct wpa_supplicant *wpa_s = ctx;
1870 struct wpa_ssid *ssid;
1871
1872 if (bssid) {
1873 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
1874 "status=%d " MACSTR,
1875 status, MAC2STR(bssid));
1876 } else {
1877 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
1878 "status=%d ", status);
1879 }
1880
706887fc
JM		 1881 if (wpa_s->pending_invite_ssid_id == -1)
1882 return; /* Invitation to active group */
1883
b22128ef
JM		 1884 if (status != P2P_SC_SUCCESS) {
1885 wpas_p2p_remove_pending_group_interface(wpa_s);
1886 return;
1887 }
1888
1889 ssid = wpa_config_get_network(wpa_s->conf,
1890 wpa_s->pending_invite_ssid_id);
1891 if (ssid == NULL) {
1892 wpa_printf(MSG_ERROR, "P2P: Could not find persistent group "
1893 "data matching with invitation");
1894 return;
1895 }
1896
1897 wpas_p2p_group_add_persistent(wpa_s, ssid,
1898 ssid->mode == WPAS_MODE_P2P_GO, 0);
1899}
1900
1901
1902static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s,
1903 struct p2p_config *p2p)
1904{
1905 struct hostapd_hw_modes *modes;
1906 u16 num_modes, flags;
1907 int i, cla;
1908 int band24 = 0, band5_low = 0, band5_high = 0;
1909
1910 /* TODO: more detailed selection of channels within reg_class based on
1911 * driver capabilities */
1912
1913 modes = wpa_drv_get_hw_feature_data(wpa_s, &num_modes, &flags);
1914 if (modes == NULL) {
1915 wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching "
1916 "of all supported channels; assume dualband "
1917 "support");
1918 band24 = band5_low = band5_high = 1;
1919 } else {
1920 for (i = 0; i < num_modes; i++) {
1921 struct hostapd_hw_modes *mode;
1922 mode = &modes[i];
1923 if (mode->mode == HOSTAPD_MODE_IEEE80211G) {
1924 band24 = 1;
1925 } else if (mode->mode == HOSTAPD_MODE_IEEE80211A) {
1926 int j;
1927 for (j = 0; j < mode->num_channels; j++) {
1928 struct hostapd_channel_data *ch;
1929 ch = &mode->channels[j];
1930 if (ch->chan == 36)
1931 band5_low = 1;
1932 else if (ch->chan == 157)
1933 band5_high = 1;
1934 }
1935 }
1936 }
1937 }
1938
1939 cla = 0;
1940
1941 if (band24) {
1942 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for "
1943 "2.4 GHz band");
1944
1945 /* Operating class 81 - 2.4 GHz band channels 1..13 */
1946 p2p->channels.reg_class[cla].reg_class = 81;
10b9ac17 1947#if 0
b22128ef
JM		 1948 p2p->channels.reg_class[cla].channels = 13;
1949 for (i = 0; i < 13; i++)
1950 p2p->channels.reg_class[cla].channel[i] = i + 1;
10b9ac17
JM		 1951#else
1952 p2p->channels.reg_class[cla].channels = 11;
1953 for (i = 0; i < 11; i++)
1954 p2p->channels.reg_class[cla].channel[i] = i + 1;
1955#endif
b22128ef
JM		 1956 cla++;
1957
10b9ac17 1958#if 0
b22128ef
JM		 1959 /* Operating class 82 - 2.4 GHz band channel 14 */
1960 p2p->channels.reg_class[cla].reg_class = 82;
1961 p2p->channels.reg_class[cla].channels = 1;
1962 p2p->channels.reg_class[cla].channel[0] = 14;
1963 cla++;
10b9ac17 1964#endif
b22128ef
JM		 1965
1966#if 0
1967 /* Operating class 83 - 2.4 GHz band channels 1..9; 40 MHz */
1968 p2p->channels.reg_class[cla].reg_class = 83;
1969 p2p->channels.reg_class[cla].channels = 9;
1970 for (i = 0; i < 9; i++)
1971 p2p->channels.reg_class[cla].channel[i] = i + 1;
1972 cla++;
1973
1974 /* Operating class 84 - 2.4 GHz band channels 5..13; 40 MHz */
1975 p2p->channels.reg_class[cla].reg_class = 84;
1976 p2p->channels.reg_class[cla].channels = 9;
1977 for (i = 0; i < 9; i++)
1978 p2p->channels.reg_class[cla].channel[i] = i + 5;
1979 cla++;
1980#endif
1981 }
1982
1983 if (band5_low) {
1984 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for "
1985 "lower 5 GHz band");
1986
1987 /* Operating class 115 - 5 GHz, channels 36-48 */
1988 p2p->channels.reg_class[cla].reg_class = 115;
1989 p2p->channels.reg_class[cla].channels = 4;
1990 p2p->channels.reg_class[cla].channel[0] = 36;
1991 p2p->channels.reg_class[cla].channel[1] = 40;
1992 p2p->channels.reg_class[cla].channel[2] = 44;
1993 p2p->channels.reg_class[cla].channel[3] = 48;
1994 cla++;
1995
1996#if 0
1997 /* Operating class 116 - 5 GHz, channels 36,44; 40 MHz */
1998 p2p->channels.reg_class[cla].reg_class = 116;
1999 p2p->channels.reg_class[cla].channels = 2;
2000 p2p->channels.reg_class[cla].channel[0] = 36;
2001 p2p->channels.reg_class[cla].channel[1] = 44;
2002 cla++;
2003
2004 /* Operating class 117 - 5 GHz, channels 40,48; 40 MHz */
2005 p2p->channels.reg_class[cla].reg_class = 117;
2006 p2p->channels.reg_class[cla].channels = 2;
2007 p2p->channels.reg_class[cla].channel[0] = 40;
2008 p2p->channels.reg_class[cla].channel[1] = 48;
2009 cla++;
2010#endif
2011 }
2012
2013 if (band5_high) {
2014 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for "
2015 "higher 5 GHz band");
2016
2017 /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
2018 p2p->channels.reg_class[cla].reg_class = 124;
2019 p2p->channels.reg_class[cla].channels = 4;
2020 p2p->channels.reg_class[cla].channel[0] = 149;
2021 p2p->channels.reg_class[cla].channel[1] = 153;
2022 p2p->channels.reg_class[cla].channel[2] = 157;
2023 p2p->channels.reg_class[cla].channel[3] = 161;
2024 cla++;
2025
2026#if 0
2027 /* Operating class 126 - 5 GHz, channels 149,157; 40 MHz */
2028 p2p->channels.reg_class[cla].reg_class = 126;
2029 p2p->channels.reg_class[cla].channels = 2;
2030 p2p->channels.reg_class[cla].channel[0] = 149;
2031 p2p->channels.reg_class[cla].channel[1] = 157;
2032 cla++;
2033
2034 /* Operating class 127 - 5 GHz, channels 153,161; 40 MHz */
2035 p2p->channels.reg_class[cla].reg_class = 127;
2036 p2p->channels.reg_class[cla].channels = 2;
2037 p2p->channels.reg_class[cla].channel[0] = 153;
2038 p2p->channels.reg_class[cla].channel[1] = 161;
2039 cla++;
2040#endif
2041 }
2042
2043 p2p->channels.reg_classes = cla;
2044
2045 if (modes)
2046 ieee80211_sta_free_hw_features(modes, num_modes);
2047
2048 return 0;
2049}
2050
2051
2052static int wpas_get_noa(void *ctx, const u8 *interface_addr, u8 *buf,
2053 size_t buf_len)
2054{
2055 struct wpa_supplicant *wpa_s = ctx;
2056
2057 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2058 if (os_memcmp(wpa_s->own_addr, interface_addr, ETH_ALEN) == 0)
2059 break;
2060 }
2061 if (wpa_s == NULL)
2062 return -1;
2063
2064 return wpa_drv_get_noa(wpa_s, buf, buf_len);
2065}
2066
2067
2068/**
2069 * wpas_p2p_init - Initialize P2P module for %wpa_supplicant
2070 * @global: Pointer to global data from wpa_supplicant_init()
2071 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2072 * Returns: 0 on success, -1 on failure
2073 */
2074int wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s)
2075{
2076 struct p2p_config p2p;
2077 unsigned int r;
2078 int i;
2079
2080 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
2081 return 0;
2082
2083#ifdef CONFIG_CLIENT_MLME
2084 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)) {
2085 wpa_s->mlme.public_action_cb = p2p_rx_action_mlme;
2086 wpa_s->mlme.public_action_cb_ctx = wpa_s;
2087 }
2088#endif /* CONFIG_CLIENT_MLME */
2089
2090 if (wpa_drv_disable_11b_rates(wpa_s, 1) < 0) {
2091 wpa_printf(MSG_DEBUG, "P2P: Failed to disable 11b rates");
2092 /* Continue anyway; this is not really a fatal error */
2093 }
2094
2095 if (global->p2p)
2096 return 0;
2097
2098 os_memset(&p2p, 0, sizeof(p2p));
2099 p2p.msg_ctx = wpa_s;
2100 p2p.cb_ctx = wpa_s;
2101 p2p.p2p_scan = wpas_p2p_scan;
2102 p2p.send_action = wpas_send_action;
2103 p2p.send_action_done = wpas_send_action_done;
2104 p2p.go_neg_completed = wpas_go_neg_completed;
2105 p2p.go_neg_req_rx = wpas_go_neg_req_rx;
2106 p2p.dev_found = wpas_dev_found;
2107 p2p.start_listen = wpas_start_listen;
2108 p2p.stop_listen = wpas_stop_listen;
2109 p2p.send_probe_resp = wpas_send_probe_resp;
2110 p2p.sd_request = wpas_sd_request;
2111 p2p.sd_response = wpas_sd_response;
2112 p2p.prov_disc_req = wpas_prov_disc_req;
2113 p2p.prov_disc_resp = wpas_prov_disc_resp;
2114 p2p.invitation_process = wpas_invitation_process;
2115 p2p.invitation_received = wpas_invitation_received;
2116 p2p.invitation_result = wpas_invitation_result;
2117 p2p.get_noa = wpas_get_noa;
2118
2119 os_memcpy(wpa_s->global->p2p_dev_addr, wpa_s->own_addr, ETH_ALEN);
2120 os_memcpy(p2p.dev_addr, wpa_s->own_addr, ETH_ALEN);
2121 p2p.dev_name = wpa_s->conf->device_name;
2122
2123 if (wpa_s->conf->p2p_listen_reg_class &&
2124 wpa_s->conf->p2p_listen_channel) {
2125 p2p.reg_class = wpa_s->conf->p2p_listen_reg_class;
2126 p2p.channel = wpa_s->conf->p2p_listen_channel;
2127 } else {
2128 p2p.reg_class = 81;
2129 /*
2130 * Pick one of the social channels randomly as the listen
2131 * channel.
2132 */
2133 os_get_random((u8 *) &r, sizeof(r));
2134 p2p.channel = 1 + (r % 3) * 5;
2135 }
2136
2137 if (wpa_s->conf->p2p_oper_reg_class &&
2138 wpa_s->conf->p2p_oper_channel) {
2139 p2p.op_reg_class = wpa_s->conf->p2p_oper_reg_class;
2140 p2p.op_channel = wpa_s->conf->p2p_oper_channel;
2141 } else {
2142 p2p.op_reg_class = 81;
2143 /*
2144 * For initial tests, pick the operation channel randomly.
2145 * TODO: Use scan results (etc.) to select the best channel.
2146 */
2147 p2p.op_channel = 1 + r % 11;
2148 }
2149 wpa_printf(MSG_DEBUG, "P2P: Own listen channel: %d "
2150 "Own preferred operation channel: %d",
2151 p2p.channel, p2p.op_channel);
2152 if (wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
2153 os_memcpy(p2p.country, wpa_s->conf->country, 2);
2154 p2p.country[2] = 0x04;
2155 } else
2156 os_memcpy(p2p.country, "US\x04", 3);
2157
2158 if (wpas_p2p_setup_channels(wpa_s, &p2p)) {
2159 wpa_printf(MSG_ERROR, "P2P: Failed to configure supported "
2160 "channel list");
2161 return -1;
2162 }
2163
2164 if (wpa_s->conf->device_type &&
2165 wps_dev_type_str2bin(wpa_s->conf->device_type, p2p.pri_dev_type) <
2166 0) {
2167 wpa_printf(MSG_ERROR, "P2P: Invalid device_type");
2168 return -1;
2169 }
2170
2171 for (i = 0; i < MAX_SEC_DEVICE_TYPES; i++) {
2172 if (wpa_s->conf->sec_device_type[i] == NULL)
2173 continue;
2174 if (wps_dev_type_str2bin(
2175 wpa_s->conf->sec_device_type[i],
2176 p2p.sec_dev_type[p2p.num_sec_dev_types]) < 0) {
2177 wpa_printf(MSG_ERROR, "P2P: Invalid sec_device_type");
2178 return -1;
2179 }
2180 p2p.num_sec_dev_types++;
2181 if (p2p.num_sec_dev_types == P2P_SEC_DEVICE_TYPES)
2182 break;
2183 }
2184
2185 p2p.concurrent_operations = !!(wpa_s->drv_flags &
2186 WPA_DRIVER_FLAGS_P2P_CONCURRENT);
2187
c4ea4c5c 2188 p2p.max_peers = wpa_s->max_stations ? wpa_s->max_stations : 100;
b22128ef
JM		 2189
2190 if (wpa_s->conf->p2p_ssid_postfix) {
2191 p2p.ssid_postfix_len =
2192 os_strlen(wpa_s->conf->p2p_ssid_postfix);
2193 if (p2p.ssid_postfix_len > sizeof(p2p.ssid_postfix))
2194 p2p.ssid_postfix_len = sizeof(p2p.ssid_postfix);
2195 os_memcpy(p2p.ssid_postfix, wpa_s->conf->p2p_ssid_postfix,
2196 p2p.ssid_postfix_len);
2197 }
2198
2199 global->p2p = p2p_init(&p2p);
2200 if (global->p2p == NULL)
2201 return -1;
2202
2203 return 0;
2204}
2205
2206
2207/**
2208 * wpas_p2p_deinit - Deinitialize per-interface P2P data
2209 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2210 *
2211 * This function deinitialize per-interface P2P data.
2212 */
2213void wpas_p2p_deinit(struct wpa_supplicant *wpa_s)
2214{
2215 if (wpa_s->driver && wpa_s->drv_priv)
2216 wpa_drv_probe_req_report(wpa_s, 0);
2217 os_free(wpa_s->go_params);
2218 wpa_s->go_params = NULL;
2219 wpabuf_free(wpa_s->pending_action_tx);
2220 wpa_s->pending_action_tx = NULL;
2221 eloop_cancel_timeout(wpas_send_action_cb, wpa_s, NULL);
2222 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
ef922c4a 2223 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
b22128ef
JM		 2224 wpa_s->p2p_long_listen = 0;
2225 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
2226 wpas_p2p_remove_pending_group_interface(wpa_s);
2227
2228 /* TODO: remove group interface from the driver if this wpa_s instance
2229 * is on top of a P2P group interface */
2230}
2231
2232
2233/**
2234 * wpas_p2p_deinit_global - Deinitialize global P2P module
2235 * @global: Pointer to global data from wpa_supplicant_init()
2236 *
2237 * This function deinitializes the global (per device) P2P module.
2238 */
2239void wpas_p2p_deinit_global(struct wpa_global *global)
2240{
2241 struct wpa_supplicant *wpa_s, *tmp;
2242 char *ifname;
2243
2244 if (global->p2p == NULL)
2245 return;
2246
2247 /* Remove remaining P2P group interfaces */
2248 wpa_s = global->ifaces;
2a43101e
JM		 2249 if (wpa_s)
2250 wpas_p2p_service_flush(wpa_s);
b22128ef
JM		 2251 while (wpa_s && wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE)
2252 wpa_s = wpa_s->next;
2253 while (wpa_s) {
2254 enum wpa_driver_if_type type;
2255 tmp = global->ifaces;
2256 while (tmp &&
2257 (tmp == wpa_s ||
2258 tmp->p2p_group_interface == NOT_P2P_GROUP_INTERFACE)) {
2259 tmp = tmp->next;
2260 }
2261 if (tmp == NULL)
2262 break;
2263 ifname = os_strdup(tmp->ifname);
2264 type = wpas_p2p_if_type(tmp->p2p_group_interface);
2265 wpa_supplicant_remove_iface(global, tmp);
2266 if (ifname)
2267 wpa_drv_if_remove(wpa_s, type, ifname);
2268 os_free(ifname);
2269 }
2270
2271 p2p_deinit(global->p2p);
2272 global->p2p = NULL;
2273}
2274
2275
2276static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s)
2277{
2278 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)
2279 return 1; /* P2P group requires a new interface in every case
2280 */
2281 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CONCURRENT))
2282 return 0; /* driver does not support concurrent operations */
2283 if (wpa_s->global->ifaces->next)
2284 return 1; /* more that one interface already in use */
2285 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2286 return 1; /* this interface is already in use */
2287 return 0;
2288}
2289
2290
2291static int wpas_p2p_start_go_neg(struct wpa_supplicant *wpa_s,
2292 const u8 *peer_addr,
2293 enum p2p_wps_method wps_method,
2294 int go_intent, const u8 *own_interface_addr,
2295 unsigned int force_freq, int persistent_group)
2296{
2297 return p2p_connect(wpa_s->global->p2p, peer_addr, wps_method,
2298 go_intent, own_interface_addr, force_freq,
2299 persistent_group);
2300}
2301
2302
2303static int wpas_p2p_auth_go_neg(struct wpa_supplicant *wpa_s,
2304 const u8 *peer_addr,
2305 enum p2p_wps_method wps_method,
2306 int go_intent, const u8 *own_interface_addr,
2307 unsigned int force_freq, int persistent_group)
2308{
2309 return p2p_authorize(wpa_s->global->p2p, peer_addr, wps_method,
2310 go_intent, own_interface_addr, force_freq,
2311 persistent_group);
2312}
2313
2314
ef922c4a
JM		 2315static void wpas_p2p_scan_res_join(struct wpa_supplicant *wpa_s,
2316 struct wpa_scan_results *scan_res)
b22128ef
JM		 2317{
2318 struct wpa_bss *bss;
2319
ef922c4a 2320 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
b22128ef 2321
ef922c4a
JM		 2322 if (wpa_s->global->p2p_disabled)
2323 return;
b22128ef 2324
ef922c4a
JM		 2325 wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS) for join",
2326 scan_res ? (int) scan_res->num : -1);
2327
2328 if (scan_res)
2329 wpas_p2p_scan_res_handler(wpa_s, scan_res);
b22128ef 2330
ef922c4a 2331 bss = wpa_bss_get_bssid(wpa_s, wpa_s->pending_join_iface_addr);
b22128ef
JM		 2332 if (bss) {
2333 u16 method;
2334
2335 wpa_printf(MSG_DEBUG, "P2P: Send Provision Discovery Request "
2336 "prior to joining an existing group (GO " MACSTR
2337 " freq=%u MHz)",
ef922c4a 2338 MAC2STR(wpa_s->pending_join_dev_addr), bss->freq);
b22128ef
JM		 2339 wpa_s->pending_pd_before_join = 1;
2340
ef922c4a 2341 switch (wpa_s->pending_join_wps_method) {
b22128ef
JM		 2342 case WPS_PIN_LABEL:
2343 case WPS_PIN_DISPLAY:
2344 method = WPS_CONFIG_KEYPAD;
2345 break;
2346 case WPS_PIN_KEYPAD:
2347 method = WPS_CONFIG_DISPLAY;
2348 break;
2349 case WPS_PBC:
2350 method = WPS_CONFIG_PUSHBUTTON;
2351 break;
2352 default:
2353 method = 0;
2354 break;
2355 }
2356
ef922c4a
JM		 2357 if (p2p_prov_disc_req(wpa_s->global->p2p,
2358 wpa_s->pending_join_dev_addr, method, 1)
b22128ef
JM		 2359 < 0) {
2360 wpa_printf(MSG_DEBUG, "P2P: Failed to send Provision "
2361 "Discovery Request before joining an "
2362 "existing group");
2363 wpa_s->pending_pd_before_join = 0;
2364 goto start;
2365 }
2366
2367 /*
2368 * Actual join operation will be started from the Action frame
2369 * TX status callback.
2370 */
ef922c4a 2371 return;
b22128ef
JM		 2372 }
2373
2374 wpa_printf(MSG_DEBUG, "P2P: Target BSS/GO not yet in BSS table - "
2375 "cannot send Provision Discovery Request");
2376
2377start:
2378 /* Start join operation immediately */
ef922c4a
JM		 2379 wpas_p2p_join_start(wpa_s);
2380}
2381
2382
2383static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx)
2384{
2385 struct wpa_supplicant *wpa_s = eloop_ctx;
2386 int ret;
2387 struct wpa_driver_scan_params params;
2388 struct wpabuf *wps_ie, *ies;
2389
2390 os_memset(&params, 0, sizeof(params));
2391
2392 /* P2P Wildcard SSID */
2393 params.num_ssids = 1;
2394 params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID;
2395 params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN;
2396
2397 wpa_s->wps->dev.p2p = 1;
2398 wps_ie = wps_build_probe_req_ie(0, &wpa_s->wps->dev, wpa_s->wps->uuid,
2399 WPS_REQ_ENROLLEE);
2400 if (wps_ie == NULL) {
2401 wpas_p2p_scan_res_join(wpa_s, NULL);
2402 return;
2403 }
2404
2405 ies = wpabuf_alloc(wpabuf_len(wps_ie) + 100);
2406 if (ies == NULL) {
2407 wpabuf_free(wps_ie);
2408 wpas_p2p_scan_res_join(wpa_s, NULL);
2409 return;
2410 }
2411 wpabuf_put_buf(ies, wps_ie);
2412 wpabuf_free(wps_ie);
2413
2414 p2p_scan_ie(wpa_s->global->p2p, ies);
2415
2416 params.extra_ies = wpabuf_head(ies);
2417 params.extra_ies_len = wpabuf_len(ies);
2418
2419 /*
2420 * Run a scan to update BSS table and start Provision Discovery once
2421 * the new scan results become available.
2422 */
2423 wpa_s->scan_res_handler = wpas_p2p_scan_res_join;
2424 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
2425 ret = ieee80211_sta_req_scan(wpa_s, &params);
2426 else
2427 ret = wpa_drv_scan(wpa_s, &params);
2428
2429 wpabuf_free(ies);
2430
2431 if (ret) {
2432 wpa_printf(MSG_DEBUG, "P2P: Failed to start scan for join - "
2433 "try again later");
2434 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
2435 eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL);
2436 }
2437}
2438
2439
2440static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr,
2441 const u8 *dev_addr, enum p2p_wps_method wps_method)
2442{
2443 wpa_printf(MSG_DEBUG, "P2P: Request to join existing group (iface "
2444 MACSTR " dev " MACSTR ")",
2445 MAC2STR(iface_addr), MAC2STR(dev_addr));
2446
2447 os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, ETH_ALEN);
2448 os_memcpy(wpa_s->pending_join_dev_addr, dev_addr, ETH_ALEN);
2449 wpa_s->pending_join_wps_method = wps_method;
2450
2451 /* Make sure we are not running find during connection establishment */
2452 wpas_p2p_stop_find(wpa_s);
2453
2454 wpas_p2p_join_scan(wpa_s, NULL);
2455 return 0;
b22128ef
JM		 2456}
2457
2458
2459static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s)
2460{
2461 struct wpa_supplicant *group;
2462 struct p2p_go_neg_results res;
2463
2464 group = wpas_p2p_get_group_iface(wpa_s, 0, 0);
2465 if (group == NULL)
2466 return -1;
3c5126a4 2467 if (group != wpa_s) {
b22128ef
JM		 2468 os_memcpy(group->p2p_pin, wpa_s->p2p_pin,
2469 sizeof(group->p2p_pin));
3c5126a4
JM		 2470 group->p2p_wps_method = wpa_s->p2p_wps_method;
2471 }
b22128ef
JM		 2472
2473 group->p2p_in_provisioning = 1;
2474
2475 os_memset(&res, 0, sizeof(res));
2476 os_memcpy(res.peer_interface_addr, wpa_s->pending_join_iface_addr,
2477 ETH_ALEN);
2478 res.wps_method = wpa_s->pending_join_wps_method;
2479 wpas_start_wps_enrollee(group, &res);
2480
2481 return 0;
2482}
2483
2484
2485/**
2486 * wpas_p2p_connect - Request P2P Group Formation to be started
2487 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2488 * @peer_addr: Address of the peer P2P Device
2489 * @pin: PIN to use during provisioning or %NULL to indicate PBC mode
2490 * @persistent_group: Whether to create a persistent group
2491 * @join: Whether to join an existing group (as a client) instead of starting
2492 * Group Owner negotiation; @peer_addr is BSSID in that case
2493 * @auth: Whether to only authorize the connection instead of doing that and
2494 * initiating Group Owner negotiation
2495 * @go_intent: GO Intent or -1 to use default
2496 * @freq: Frequency for the group or 0 for auto-selection
2497 * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on failure
2498 */
2499int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
2500 const char *pin, enum p2p_wps_method wps_method,
2501 int persistent_group, int join, int auth, int go_intent,
2502 int freq)
2503{
2504 int force_freq = 0;
2505 u8 bssid[ETH_ALEN];
2506 int ret = 0;
2507 enum wpa_driver_if_type iftype;
2508
2509 if (go_intent < 0)
2510 go_intent = wpa_s->conf->p2p_go_intent;
2511
2512 if (!auth)
2513 wpa_s->p2p_long_listen = 0;
2514
3c5126a4
JM		 2515 wpa_s->p2p_wps_method = wps_method;
2516
b22128ef
JM		 2517 if (pin)
2518 os_strlcpy(wpa_s->p2p_pin, pin, sizeof(wpa_s->p2p_pin));
2519 else if (wps_method == WPS_PIN_DISPLAY) {
2520 ret = wps_generate_pin();
2521 os_snprintf(wpa_s->p2p_pin, sizeof(wpa_s->p2p_pin), "%08d",
2522 ret);
2523 wpa_printf(MSG_DEBUG, "P2P: Randomly generated PIN: %s",
2524 wpa_s->p2p_pin);
2525 } else
2526 wpa_s->p2p_pin[0] = '\0';
2527
2528 if (join) {
4147a2cc 2529 u8 iface_addr[ETH_ALEN], dev_addr[ETH_ALEN];
108def93
JM		 2530 if (auth) {
2531 wpa_printf(MSG_DEBUG, "P2P: Authorize invitation to "
2532 "connect a running group from " MACSTR,
2533 MAC2STR(peer_addr));
2534 os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN);
2535 return ret;
2536 }
4147a2cc 2537 os_memcpy(dev_addr, peer_addr, ETH_ALEN);
b22128ef 2538 if (p2p_get_interface_addr(wpa_s->global->p2p, peer_addr,
4147a2cc 2539 iface_addr) < 0) {
b22128ef 2540 os_memcpy(iface_addr, peer_addr, ETH_ALEN);
4147a2cc
JM		 2541 p2p_get_dev_addr(wpa_s->global->p2p, peer_addr,
2542 dev_addr);
2543 }
2544 if (wpas_p2p_join(wpa_s, iface_addr, dev_addr, wps_method) <
b22128ef
JM		 2545 0)
2546 return -1;
2547 return ret;
2548 }
2549
2550 if (freq > 0)
2551 force_freq = freq;
2552 else if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
2553 wpa_s->assoc_freq)
2554 force_freq = wpa_s->assoc_freq;
2555 else {
2556 force_freq = wpa_drv_shared_freq(wpa_s);
2557 if (force_freq < 0)
2558 force_freq = 0;
2559 }
2560
2561 if (force_freq > 0) {
2562 wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the "
2563 "channel we are already using (%u MHz) on another "
2564 "interface", force_freq);
2565 }
2566
2567 wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
2568
2569 if (!wpa_s->create_p2p_iface) {
2570 if (auth) {
2571 if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method,
2572 go_intent, wpa_s->own_addr,
2573 force_freq, persistent_group)
2574 < 0)
2575 return -1;
2576 return ret;
2577 }
2578 if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method,
2579 go_intent, wpa_s->own_addr,
2580 force_freq, persistent_group) < 0)
2581 return -1;
2582 return ret;
2583 }
2584
2585 /* Prepare to add a new interface for the group */
2586 iftype = WPA_IF_P2P_GROUP;
2587 if (join)
2588 iftype = WPA_IF_P2P_CLIENT;
2589 else if (go_intent == 15)
2590 iftype = WPA_IF_P2P_GO;
2591 if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) {
2592 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
2593 "interface for the group");
2594 return -1;
2595 }
2596
2597 if (auth) {
2598 if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method,
2599 go_intent,
2600 wpa_s->pending_interface_addr,
2601 force_freq, persistent_group) < 0)
2602 return -1;
2603 return ret;
2604 }
2605 if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method, go_intent,
2606 wpa_s->pending_interface_addr,
2607 force_freq, persistent_group) < 0) {
2608 wpas_p2p_remove_pending_group_interface(wpa_s);
2609 return -1;
2610 }
2611 return ret;
2612}
2613
2614
2615/**
2616 * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start
2617 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2618 * @freq: Frequency of the channel in MHz
2619 * @duration: Duration of the stay on the channel in milliseconds
2620 *
2621 * This callback is called when the driver indicates that it has started the
2622 * requested remain-on-channel duration.
2623 */
2624void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
2625 unsigned int freq, unsigned int duration)
2626{
07a30a66 2627 wpa_s->roc_waiting_drv_freq = 0;
b22128ef
JM		 2628 wpa_s->off_channel_freq = freq;
2629 wpas_send_action_cb(wpa_s, NULL);
2630 if (wpa_s->off_channel_freq == wpa_s->pending_listen_freq) {
2631 p2p_listen_cb(wpa_s->global->p2p, wpa_s->pending_listen_freq,
2632 wpa_s->pending_listen_duration);
2633 wpa_s->pending_listen_freq = 0;
2634 }
2635}
2636
2637
2638static int wpas_p2p_listen_start(struct wpa_supplicant *wpa_s,
2639 unsigned int timeout)
2640{
2641 /* Limit maximum Listen state time based on driver limitation. */
2642 if (timeout > wpa_s->max_remain_on_chan)
2643 timeout = wpa_s->max_remain_on_chan;
2644
2645 return p2p_listen(wpa_s->global->p2p, timeout);
2646}
2647
2648
2649/**
2650 * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout
2651 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2652 * @freq: Frequency of the channel in MHz
2653 *
2654 * This callback is called when the driver indicates that a remain-on-channel
2655 * operation has been completed, i.e., the duration on the requested channel
2656 * has timed out.
2657 */
2658void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
2659 unsigned int freq)
2660{
1cc3a29d
JM		 2661 wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel callback "
2662 "(p2p_long_listen=%d pending_action_tx=%p)",
2663 wpa_s->p2p_long_listen, wpa_s->pending_action_tx);
b22128ef
JM		 2664 wpa_s->off_channel_freq = 0;
2665 if (p2p_listen_end(wpa_s->global->p2p, freq) > 0)
2666 return; /* P2P module started a new operation */
2667 if (wpa_s->pending_action_tx)
2668 return;
2669 if (wpa_s->p2p_long_listen > 0)
2670 wpa_s->p2p_long_listen -= 5;
2671 if (wpa_s->p2p_long_listen > 0) {
2672 wpa_printf(MSG_DEBUG, "P2P: Continuing long Listen state");
2673 wpas_p2p_listen_start(wpa_s, wpa_s->p2p_long_listen * 1000);
2674 }
2675}
2676
2677
2678/**
2679 * wpas_p2p_group_remove - Remove a P2P group
2680 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2681 * @ifname: Network interface name of the group interface or "*" to remove all
2682 * groups
2683 * Returns: 0 on success, -1 on failure
2684 *
2685 * This function is used to remove a P2P group. This can be used to disconnect
2686 * from a group in which the local end is a P2P Client or to end a P2P Group in
2687 * case the local end is the Group Owner. If a virtual network interface was
2688 * created for this group, that interface will be removed. Otherwise, only the
2689 * configured P2P group network will be removed from the interface.
2690 */
2691int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname)
2692{
2693 struct wpa_global *global = wpa_s->global;
2694
2695 if (os_strcmp(ifname, "*") == 0) {
2696 struct wpa_supplicant *prev;
2697 wpa_s = global->ifaces;
2698 while (wpa_s) {
2699 prev = wpa_s;
2700 wpa_s = wpa_s->next;
2701 wpas_p2p_group_delete(prev);
2702 }
2703 return 0;
2704 }
2705
2706 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2707 if (os_strcmp(wpa_s->ifname, ifname) == 0)
2708 break;
2709 }
2710
2711 if (wpa_s == NULL)
2712 return -1;
2713
2714 wpas_p2p_group_delete(wpa_s);
2715
2716 return 0;
2717}
2718
2719
2720static void wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s,
2721 struct p2p_go_neg_results *params,
2722 int freq)
2723{
2724 u8 bssid[ETH_ALEN];
2725 int res;
2726
2727 os_memset(params, 0, sizeof(*params));
2728 params->role_go = 1;
2729 params->freq = 2412;
2730 if (freq)
2731 params->freq = freq;
2732 else if (wpa_s->conf->p2p_oper_reg_class == 81 &&
2733 wpa_s->conf->p2p_oper_channel >= 1 &&
2734 wpa_s->conf->p2p_oper_channel <= 11)
2735 params->freq = 2407 + 5 * wpa_s->conf->p2p_oper_channel;
2736 else if (wpa_s->conf->p2p_oper_reg_class == 115 ||
2737 wpa_s->conf->p2p_oper_reg_class == 118)
2738 params->freq = 5000 + 5 * wpa_s->conf->p2p_oper_channel;
2739 if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
2740 wpa_s->assoc_freq && !freq) {
2741 wpa_printf(MSG_DEBUG, "P2P: Force GO on the channel we are "
2742 "already using");
2743 params->freq = wpa_s->assoc_freq;
2744 }
2745
2746 res = wpa_drv_shared_freq(wpa_s);
2747 if (res > 0 && !freq) {
2748 wpa_printf(MSG_DEBUG, "P2P: Force GO on the channel we are "
2749 "already using on a shared interface");
2750 params->freq = res;
2751 }
2752}
2753
2754
2755static struct wpa_supplicant *
2756wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
2757 int go)
2758{
2759 struct wpa_supplicant *group_wpa_s;
2760
2761 if (!wpas_p2p_create_iface(wpa_s))
2762 return wpa_s;
2763
2764 if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO :
2765 WPA_IF_P2P_CLIENT) < 0)
2766 return NULL;
2767 group_wpa_s = wpas_p2p_init_group_interface(wpa_s, go);
2768 if (group_wpa_s == NULL) {
2769 wpas_p2p_remove_pending_group_interface(wpa_s);
2770 return NULL;
2771 }
2772
2773 return group_wpa_s;
2774}
2775
2776
2777/**
2778 * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner
2779 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2780 * @persistent_group: Whether to create a persistent group
2781 * @freq: Frequency for the group or 0 to indicate no hardcoding
2782 * Returns: 0 on success, -1 on failure
2783 *
2784 * This function creates a new P2P group with the local end as the Group Owner,
2785 * i.e., without using Group Owner Negotiation.
2786 */
2787int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group,
2788 int freq)
2789{
2790 struct p2p_go_neg_results params;
2791
2792 wpas_p2p_init_go_params(wpa_s, &params, freq);
2793 p2p_go_params(wpa_s->global->p2p, &params);
2794 params.persistent_group = persistent_group;
2795
2796 wpa_s = wpas_p2p_get_group_iface(wpa_s, 0, 1);
2797 if (wpa_s == NULL)
2798 return -1;
2799 wpas_start_wps_go(wpa_s, &params, 0);
2800
2801 return 0;
2802}
2803
2804
2805static int wpas_start_p2p_client(struct wpa_supplicant *wpa_s,
2806 struct wpa_ssid *params, int addr_allocated)
2807{
2808 struct wpa_ssid *ssid;
2809
2810 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 0);
2811 if (wpa_s == NULL)
2812 return -1;
2813
2814 wpa_supplicant_ap_deinit(wpa_s);
2815
2816 ssid = wpa_config_add_network(wpa_s->conf);
2817 if (ssid == NULL)
2818 return -1;
2819 wpas_notify_network_added(wpa_s, ssid);
2820 wpa_config_set_network_defaults(ssid);
2821 ssid->temporary = 1;
2822 ssid->proto = WPA_PROTO_RSN;
2823 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
2824 ssid->group_cipher = WPA_CIPHER_CCMP;
2825 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
2826 ssid->ssid = os_malloc(params->ssid_len);
2827 if (ssid->ssid == NULL) {
2828 wpas_notify_network_removed(wpa_s, ssid);
2829 wpa_config_remove_network(wpa_s->conf, ssid->id);
2830 return -1;
2831 }
2832 os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
2833 ssid->ssid_len = params->ssid_len;
2834 ssid->p2p_group = 1;
2835 if (params->psk_set) {
2836 os_memcpy(ssid->psk, params->psk, 32);
2837 ssid->psk_set = 1;
2838 }
2839 if (params->passphrase)
2840 ssid->passphrase = os_strdup(params->passphrase);
2841
2842 wpa_supplicant_select_network(wpa_s, ssid);
2843
2844 wpa_s->show_group_started = 1;
2845
2846 return 0;
2847}
2848
2849
2850int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s,
2851 struct wpa_ssid *ssid, int addr_allocated,
2852 int freq)
2853{
2854 struct p2p_go_neg_results params;
2855
2856 if (ssid->disabled != 2 || ssid->ssid == NULL)
2857 return -1;
2858
2859 wpa_s->p2p_long_listen = 0;
2860 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
2861
2862 if (ssid->mode == WPAS_MODE_INFRA)
2863 return wpas_start_p2p_client(wpa_s, ssid, addr_allocated);
2864
2865 if (ssid->mode != WPAS_MODE_P2P_GO)
2866 return -1;
2867
2868 wpas_p2p_init_go_params(wpa_s, &params, freq);
2869
2870 params.role_go = 1;
2871 if (ssid->passphrase == NULL ||
2872 os_strlen(ssid->passphrase) >= sizeof(params.passphrase)) {
2873 wpa_printf(MSG_DEBUG, "P2P: Invalid passphrase in persistent "
2874 "group");
2875 return -1;
2876 }
2877 os_strlcpy(params.passphrase, ssid->passphrase,
2878 sizeof(params.passphrase));
2879 os_memcpy(params.ssid, ssid->ssid, ssid->ssid_len);
2880 params.ssid_len = ssid->ssid_len;
2881 params.persistent_group = 1;
2882
2883 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 1);
2884 if (wpa_s == NULL)
2885 return -1;
2886
2887 wpas_start_wps_go(wpa_s, &params, 0);
2888
2889 return 0;
2890}
2891
2892
2893static void wpas_p2p_ie_update(void *ctx, struct wpabuf *beacon_ies,
2894 struct wpabuf *proberesp_ies)
2895{
2896 struct wpa_supplicant *wpa_s = ctx;
2897 if (wpa_s->ap_iface) {
2898 struct hostapd_data *hapd = wpa_s->ap_iface->bss[0];
2899 if (beacon_ies) {
2900 wpabuf_free(hapd->p2p_beacon_ie);
2901 hapd->p2p_beacon_ie = beacon_ies;
2902 }
2903 wpabuf_free(hapd->p2p_probe_resp_ie);
2904 hapd->p2p_probe_resp_ie = proberesp_ies;
2905 } else {
2906 wpabuf_free(beacon_ies);
2907 wpabuf_free(proberesp_ies);
2908 }
2909 wpa_supplicant_ap_update_beacon(wpa_s);
2910}
2911
2912
2913struct p2p_group * wpas_p2p_group_init(struct wpa_supplicant *wpa_s,
2914 int persistent_group,
2915 int group_formation)
2916{
2917 struct p2p_group *group;
2918 struct p2p_group_config *cfg;
2919
2920 cfg = os_zalloc(sizeof(*cfg));
2921 if (cfg == NULL)
2922 return NULL;
2923
2924 cfg->persistent_group = persistent_group;
2925 os_memcpy(cfg->interface_addr, wpa_s->own_addr, ETH_ALEN);
2926 cfg->cb_ctx = wpa_s;
2927 cfg->ie_update = wpas_p2p_ie_update;
2928
2929 group = p2p_group_init(wpa_s->global->p2p, cfg);
2930 if (group == NULL)
2931 os_free(cfg);
2932 if (!group_formation)
2933 p2p_group_notif_formation_done(group);
2934 wpa_s->p2p_group = group;
2935 return group;
2936}
2937
2938
2939void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
2940 int registrar)
2941{
2942 if (!wpa_s->p2p_in_provisioning) {
2943 wpa_printf(MSG_DEBUG, "P2P: Ignore WPS success event - P2P "
2944 "provisioning not in progress");
2945 return;
2946 }
2947
2948 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->parent,
2949 NULL);
2950 if (wpa_s->global->p2p)
2951 p2p_wps_success_cb(wpa_s->global->p2p, peer_addr);
2952 wpas_group_formation_completed(wpa_s, 1);
2953}
2954
2955
2956int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
2957 const char *config_method)
2958{
2959 u16 config_methods;
2960
2961 if (os_strcmp(config_method, "display") == 0)
2962 config_methods = WPS_CONFIG_DISPLAY;
2963 else if (os_strcmp(config_method, "keypad") == 0)
2964 config_methods = WPS_CONFIG_KEYPAD;
2965 else if (os_strcmp(config_method, "pbc") == 0 ||
2966 os_strcmp(config_method, "pushbutton") == 0)
2967 config_methods = WPS_CONFIG_PUSHBUTTON;
2968 else
2969 return -1;
2970
2971 if (wpa_s->global->p2p == NULL)
2972 return -1;
2973
2974 return p2p_prov_disc_req(wpa_s->global->p2p, peer_addr,
2975 config_methods, 0);
2976}
2977
2978
2979int wpas_p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
2980 char *end)
2981{
2982 return p2p_scan_result_text(ies, ies_len, buf, end);
2983}
2984
2985
1cc3a29d
JM		 2986static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant *wpa_s)
2987{
2988 if (!wpa_s->pending_action_tx)
2989 return;
2990
2991 wpa_printf(MSG_DEBUG, "P2P: Drop pending Action TX due to new "
2992 "operation request");
2993 wpabuf_free(wpa_s->pending_action_tx);
2994 wpa_s->pending_action_tx = NULL;
2995}
2996
2997
b22128ef
JM		 2998int wpas_p2p_find(struct wpa_supplicant *wpa_s, unsigned int timeout,
2999 enum p2p_discovery_type type)
3000{
1cc3a29d 3001 wpas_p2p_clear_pending_action_tx(wpa_s);
b22128ef
JM		 3002 wpa_s->p2p_long_listen = 0;
3003
3004 return p2p_find(wpa_s->global->p2p, timeout, type);
3005}
3006
3007
3008void wpas_p2p_stop_find(struct wpa_supplicant *wpa_s)
3009{
1cc3a29d 3010 wpas_p2p_clear_pending_action_tx(wpa_s);
b22128ef 3011 wpa_s->p2p_long_listen = 0;
ef922c4a 3012 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
b22128ef
JM		 3013
3014 p2p_stop_find(wpa_s->global->p2p);
3015
3016 wpas_p2p_remove_pending_group_interface(wpa_s);
3017}
3018
3019
3020static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx)
3021{
3022 struct wpa_supplicant *wpa_s = eloop_ctx;
3023 wpa_s->p2p_long_listen = 0;
3024}
3025
3026
3027int wpas_p2p_listen(struct wpa_supplicant *wpa_s, unsigned int timeout)
3028{
3029 int res;
3030
1cc3a29d
JM		 3031 wpas_p2p_clear_pending_action_tx(wpa_s);
3032
b22128ef
JM		 3033 if (timeout == 0) {
3034 /*
3035 * This is a request for unlimited Listen state. However, at
3036 * least for now, this is mapped to a Listen state for one
3037 * hour.
3038 */
3039 timeout = 3600;
3040 }
3041 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
3042 wpa_s->p2p_long_listen = 0;
3043
3044 res = wpas_p2p_listen_start(wpa_s, timeout * 1000);
3045 if (res == 0 && timeout * 1000 > wpa_s->max_remain_on_chan) {
3046 wpa_s->p2p_long_listen = timeout;
3047 eloop_register_timeout(timeout, 0,
3048 wpas_p2p_long_listen_timeout,
3049 wpa_s, NULL);
3050 }
3051
3052 return res;
3053}
3054
3055
4c08c0bd 3056int wpas_p2p_assoc_req_ie(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
b22128ef
JM		 3057 u8 *buf, size_t len, int p2p_group)
3058{
4c08c0bd
JM		 3059 struct wpabuf *p2p_ie;
3060 int ret;
3061
b22128ef
JM		 3062 if (wpa_s->global->p2p_disabled)
3063 return -1;
3064 if (wpa_s->global->p2p == NULL)
3065 return -1;
e1f1509b
JM		 3066 if (bss == NULL)
3067 return -1;
b22128ef 3068
4c08c0bd
JM		 3069 p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
3070 ret = p2p_assoc_req_ie(wpa_s->global->p2p, bss->bssid, buf, len,
3071 p2p_group, p2p_ie);
3072 wpabuf_free(p2p_ie);
3073
3074 return ret;
b22128ef
JM		 3075}
3076
3077
3078int wpas_p2p_probe_req_rx(struct wpa_supplicant *wpa_s, const u8 *addr,
3079 const u8 *ie, size_t ie_len)
3080{
3081 if (wpa_s->global->p2p_disabled)
3082 return 0;
3083 if (wpa_s->global->p2p == NULL)
3084 return 0;
3085
3086 return p2p_probe_req_rx(wpa_s->global->p2p, addr, ie, ie_len);
3087}
3088
3089
3090void wpas_p2p_rx_action(struct wpa_supplicant *wpa_s, const u8 *da,
3091 const u8 *sa, const u8 *bssid,
3092 u8 category, const u8 *data, size_t len, int freq)
3093{
3094 if (wpa_s->global->p2p_disabled)
3095 return;
3096 if (wpa_s->global->p2p == NULL)
3097 return;
3098
3099 p2p_rx_action(wpa_s->global->p2p, da, sa, bssid, category, data, len,
3100 freq);
3101}
3102
3103
3104void wpas_p2p_scan_ie(struct wpa_supplicant *wpa_s, struct wpabuf *ies)
3105{
3106 if (wpa_s->global->p2p_disabled)
3107 return;
3108 if (wpa_s->global->p2p == NULL)
3109 return;
3110
3111 p2p_scan_ie(wpa_s->global->p2p, ies);
3112}
3113
3114
3115void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s)
3116{
3117 p2p_group_deinit(wpa_s->p2p_group);
3118 wpa_s->p2p_group = NULL;
3119}
3120
3121
3122int wpas_p2p_reject(struct wpa_supplicant *wpa_s, const u8 *addr)
3123{
3124 wpa_s->p2p_long_listen = 0;
3125
3126 return p2p_reject(wpa_s->global->p2p, addr);
3127}
3128
3129
3130/* Invite to reinvoke a persistent group */
3131int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
3132 struct wpa_ssid *ssid, const u8 *go_dev_addr)
3133{
3134 enum p2p_invite_role role;
3135 u8 *bssid = NULL;
3136
3137 if (ssid->mode == WPAS_MODE_P2P_GO) {
3138 role = P2P_INVITE_ROLE_GO;
3139 if (peer_addr == NULL) {
3140 wpa_printf(MSG_DEBUG, "P2P: Missing peer "
3141 "address in invitation command");
3142 return -1;
3143 }
3144 if (wpas_p2p_create_iface(wpa_s)) {
3145 if (wpas_p2p_add_group_interface(wpa_s,
3146 WPA_IF_P2P_GO) < 0) {
3147 wpa_printf(MSG_ERROR, "P2P: Failed to "
3148 "allocate a new interface for the "
3149 "group");
3150 return -1;
3151 }
3152 bssid = wpa_s->pending_interface_addr;
3153 } else
3154 bssid = wpa_s->own_addr;
3155 } else {
3156 role = P2P_INVITE_ROLE_CLIENT;
3157 peer_addr = ssid->bssid;
3158 }
3159 wpa_s->pending_invite_ssid_id = ssid->id;
3160
3161 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
3162 ssid->ssid, ssid->ssid_len, 0, go_dev_addr, 1);
3163}
3164
3165
3166/* Invite to join an active group */
3167int wpas_p2p_invite_group(struct wpa_supplicant *wpa_s, const char *ifname,
3168 const u8 *peer_addr, const u8 *go_dev_addr)
3169{
3170 struct wpa_global *global = wpa_s->global;
3171 enum p2p_invite_role role;
3172 u8 *bssid = NULL;
3173 struct wpa_ssid *ssid;
3174
3175 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3176 if (os_strcmp(wpa_s->ifname, ifname) == 0)
3177 break;
3178 }
3179 if (wpa_s == NULL) {
3180 wpa_printf(MSG_DEBUG, "P2P: Interface '%s' not found", ifname);
3181 return -1;
3182 }
3183
3184 ssid = wpa_s->current_ssid;
3185 if (ssid == NULL) {
3186 wpa_printf(MSG_DEBUG, "P2P: No current SSID to use for "
3187 "invitation");
3188 return -1;
3189 }
3190
3191 if (ssid->mode == WPAS_MODE_P2P_GO) {
3192 role = P2P_INVITE_ROLE_ACTIVE_GO;
3193 bssid = wpa_s->own_addr;
3194 if (go_dev_addr == NULL)
2e062d5d 3195 go_dev_addr = wpa_s->parent->own_addr;
b22128ef
JM		 3196 } else {
3197 role = P2P_INVITE_ROLE_CLIENT;
3198 if (wpa_s->wpa_state < WPA_ASSOCIATED) {
3199 wpa_printf(MSG_DEBUG, "P2P: Not associated - cannot "
3200 "invite to current group");
3201 return -1;
3202 }
3203 bssid = wpa_s->bssid;
3204 if (go_dev_addr == NULL &&
3205 !is_zero_ether_addr(wpa_s->go_dev_addr))
3206 go_dev_addr = wpa_s->go_dev_addr;
3207 }
3208 wpa_s->pending_invite_ssid_id = -1;
3209
3210 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
d9d6a58c
JM		 3211 ssid->ssid, ssid->ssid_len, wpa_s->assoc_freq,
3212 go_dev_addr, 0);
b22128ef
JM		 3213}
3214
3215
3216void wpas_p2p_completed(struct wpa_supplicant *wpa_s)
3217{
3218 struct wpa_ssid *ssid = wpa_s->current_ssid;
3219 const char *ssid_txt;
3220 u8 go_dev_addr[ETH_ALEN];
3221 int persistent;
3222
3223 if (!wpa_s->show_group_started || !ssid)
3224 return;
3225
3226 wpa_s->show_group_started = 0;
3227
3228 ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len);
3229 os_memset(go_dev_addr, 0, ETH_ALEN);
3230 if (ssid->bssid_set)
3231 os_memcpy(go_dev_addr, ssid->bssid, ETH_ALEN);
3232 persistent = wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid,
3233 ssid->ssid_len);
3234 os_memcpy(wpa_s->go_dev_addr, go_dev_addr, ETH_ALEN);
3235
3236 if (ssid->passphrase == NULL && ssid->psk_set) {
3237 char psk[65];
3238 wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32);
3239 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
3240 "%s client ssid=\"%s\" psk=%s go_dev_addr=" MACSTR
3241 "%s",
3242 wpa_s->ifname, ssid_txt, psk, MAC2STR(go_dev_addr),
3243 persistent ? " [PERSISTENT]" : "");
3244 } else {
3245 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
3246 "%s client ssid=\"%s\" passphrase=\"%s\" go_dev_addr="
3247 MACSTR "%s",
3248 wpa_s->ifname, ssid_txt,
3249 ssid->passphrase ? ssid->passphrase : "",
3250 MAC2STR(go_dev_addr),
3251 persistent ? " [PERSISTENT]" : "");
3252 }
3253
3254 if (persistent)
3255 wpas_p2p_store_persistent_group(wpa_s->parent, ssid,
3256 go_dev_addr);
3257}
3258
3259
3260int wpas_p2p_presence_req(struct wpa_supplicant *wpa_s, u32 duration1,
3261 u32 interval1, u32 duration2, u32 interval2)
3262{
3263 if (wpa_s->wpa_state < WPA_ASSOCIATED ||
3264 wpa_s->current_ssid == NULL ||
3265 wpa_s->current_ssid->mode != WPAS_MODE_INFRA)
3266 return -1;
3267
3268 return p2p_presence_req(wpa_s->global->p2p, wpa_s->bssid,
3269 wpa_s->own_addr, wpa_s->assoc_freq,
3270 duration1, interval1, duration2, interval2);
3271}
3272
3273
3274int wpas_p2p_ext_listen(struct wpa_supplicant *wpa_s, unsigned int period,
3275 unsigned int interval)
3276{
3277 return p2p_ext_listen(wpa_s->global->p2p, period, interval);
3278}
3279
3280
3281void wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
3282 u16 reason_code, const u8 *ie, size_t ie_len)
3283{
3284 if (wpa_s->global->p2p_disabled)
3285 return;
3286
3287 p2p_deauth_notif(wpa_s->global->p2p, bssid, reason_code, ie, ie_len);
3288}
3289
3290
3291void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
3292 u16 reason_code, const u8 *ie, size_t ie_len)
3293{
3294 if (wpa_s->global->p2p_disabled)
3295 return;
3296
3297 p2p_disassoc_notif(wpa_s->global->p2p, bssid, reason_code, ie, ie_len);
3298}
3299
3300
3301void wpas_p2p_update_config(struct wpa_supplicant *wpa_s)
3302{
3303 struct p2p_data *p2p = wpa_s->global->p2p;
3304
3305 if (p2p == NULL)
3306 return;
3307
3308 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_NAME)
3309 p2p_set_dev_name(p2p, wpa_s->conf->device_name);
3310
3311 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) {
3312 u8 pri_dev_type[8];
3313 if (wpa_s->conf->device_type) {
3314 if (wps_dev_type_str2bin(wpa_s->conf->device_type,
3315 pri_dev_type) < 0) {
3316 wpa_printf(MSG_ERROR, "P2P: Invalid "
3317 "device_type");
3318 } else
3319 p2p_set_pri_dev_type(p2p, pri_dev_type);
3320 }
3321 }
3322
3323 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) {
3324 u8 sec_dev_type[P2P_SEC_DEVICE_TYPES][8];
3325 size_t num = 0;
3326 int i;
3327 for (i = 0; i < MAX_SEC_DEVICE_TYPES; i++) {
3328 if (wpa_s->conf->sec_device_type[i] == NULL)
3329 continue;
3330 if (wps_dev_type_str2bin(
3331 wpa_s->conf->sec_device_type[i],
3332 sec_dev_type[num]) < 0) {
3333 wpa_printf(MSG_ERROR, "P2P: Invalid "
3334 "sec_device_type");
3335 continue;
3336 }
3337 num++;
3338 if (num == P2P_SEC_DEVICE_TYPES)
3339 break;
3340 }
3341 p2p_set_sec_dev_types(p2p, (void *) sec_dev_type, num);
3342 }
3343
3344 if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) &&
3345 wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
3346 char country[3];
3347 country[0] = wpa_s->conf->country[0];
3348 country[1] = wpa_s->conf->country[1];
3349 country[2] = 0x04;
3350 p2p_set_country(p2p, country);
3351 }
3352
3353 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_SSID_POSTFIX) {
3354 p2p_set_ssid_postfix(p2p, (u8 *) wpa_s->conf->p2p_ssid_postfix,
3355 wpa_s->conf->p2p_ssid_postfix ?
3356 os_strlen(wpa_s->conf->p2p_ssid_postfix) :
3357 0);
3358 }
3359}
aefb53bd
JM		 3360
3361
3362int wpas_p2p_set_noa(struct wpa_supplicant *wpa_s, u8 count, int start,
3363 int duration)
3364{
3365 if (!wpa_s->ap_iface)
3366 return -1;
3367 return hostapd_p2p_set_noa(wpa_s->ap_iface->bss[0], count, start,
3368 duration);
3369}
72044390
JM		 3370
3371
3372int wpas_p2p_set_cross_connect(struct wpa_supplicant *wpa_s, int enabled)
3373{
3374 if (wpa_s->global->p2p_disabled)
3375 return -1;
3376 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
3377 return -1;
3378
3379 wpa_s->global->cross_connection = enabled;
3380 p2p_set_cross_connect(wpa_s->global->p2p, enabled);
3381
3382 if (!enabled) {
3383 struct wpa_supplicant *iface;
3384
3385 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
3386 {
3387 if (iface->cross_connect_enabled == 0)
3388 continue;
3389
3390 iface->cross_connect_enabled = 0;
3391 iface->cross_connect_in_use = 0;
3392 wpa_msg(iface->parent, MSG_INFO,
3393 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
3394 iface->ifname, iface->cross_connect_uplink);
3395 }
3396 }
3397
3398 return 0;
3399}
3400
3401
3402static void wpas_p2p_enable_cross_connect(struct wpa_supplicant *uplink)
3403{
3404 struct wpa_supplicant *iface;
3405
3406 if (!uplink->global->cross_connection)
3407 return;
3408
3409 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
3410 if (!iface->cross_connect_enabled)
3411 continue;
3412 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
3413 0)
3414 continue;
3415 if (iface->ap_iface == NULL)
3416 continue;
3417 if (iface->cross_connect_in_use)
3418 continue;
3419
3420 iface->cross_connect_in_use = 1;
3421 wpa_msg(iface->parent, MSG_INFO,
3422 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
3423 iface->ifname, iface->cross_connect_uplink);
3424 }
3425}
3426
3427
3428static void wpas_p2p_disable_cross_connect(struct wpa_supplicant *uplink)
3429{
3430 struct wpa_supplicant *iface;
3431
3432 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
3433 if (!iface->cross_connect_enabled)
3434 continue;
3435 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
3436 0)
3437 continue;
3438 if (!iface->cross_connect_in_use)
3439 continue;
3440
3441 wpa_msg(iface->parent, MSG_INFO,
3442 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
3443 iface->ifname, iface->cross_connect_uplink);
3444 iface->cross_connect_in_use = 0;
3445 }
3446}
3447
3448
3449void wpas_p2p_notif_connected(struct wpa_supplicant *wpa_s)
3450{
3451 if (wpa_s->ap_iface || wpa_s->current_ssid == NULL ||
3452 wpa_s->current_ssid->mode != WPAS_MODE_INFRA ||
3453 wpa_s->cross_connect_disallowed)
3454 wpas_p2p_disable_cross_connect(wpa_s);
3455 else
3456 wpas_p2p_enable_cross_connect(wpa_s);
3457}
3458
3459
3460void wpas_p2p_notif_disconnected(struct wpa_supplicant *wpa_s)
3461{
3462 wpas_p2p_disable_cross_connect(wpa_s);
3463}
3464
3465
3466static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s)
3467{
3468 struct wpa_supplicant *iface;
3469
3470 if (!wpa_s->global->cross_connection)
3471 return;
3472
3473 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
3474 if (iface == wpa_s)
3475 continue;
3476 if (iface->drv_flags &
3477 WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)
3478 continue;
3479 if (iface->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE)
3480 continue;
3481
3482 wpa_s->cross_connect_enabled = 1;
3483 os_strlcpy(wpa_s->cross_connect_uplink, iface->ifname,
3484 sizeof(wpa_s->cross_connect_uplink));
3485 wpa_printf(MSG_DEBUG, "P2P: Enable cross connection from "
3486 "%s to %s whenever uplink is available",
3487 wpa_s->ifname, wpa_s->cross_connect_uplink);
3488
3489 if (iface->ap_iface || iface->current_ssid == NULL ||
3490 iface->current_ssid->mode != WPAS_MODE_INFRA ||
3491 iface->cross_connect_disallowed ||
3492 iface->wpa_state != WPA_COMPLETED)
3493 break;
3494
3495 wpa_s->cross_connect_in_use = 1;
3496 wpa_msg(wpa_s->parent, MSG_INFO,
3497 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
3498 wpa_s->ifname, wpa_s->cross_connect_uplink);
3499 break;
3500 }
3501}
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