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P2P: Do not use prov_disc_resp() callback for rejected PD
[thirdparty/hostap.git] / wpa_supplicant / p2p_supplicant.c
CommitLineData
b22128ef
JM		 1/*
2 * wpa_supplicant - P2P
3 * Copyright (c) 2009-2010, Atheros Communications
4 *
e22d4d95
JM		 5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
b22128ef
JM		 7 */
8
9#include "includes.h"
10
11#include "common.h"
12#include "eloop.h"
13#include "common/ieee802_11_common.h"
14#include "common/ieee802_11_defs.h"
15#include "common/wpa_ctrl.h"
16#include "wps/wps_i.h"
17#include "p2p/p2p.h"
18#include "ap/hostapd.h"
adc33680 19#include "ap/ap_config.h"
aefb53bd 20#include "ap/p2p_hostapd.h"
20a0b03d
JM		 21#include "eapol_supp/eapol_supp_sm.h"
22#include "rsn_supp/wpa.h"
b22128ef
JM		 23#include "wpa_supplicant_i.h"
24#include "driver_i.h"
25#include "ap.h"
26#include "config_ssid.h"
27#include "config.h"
b22128ef
JM		 28#include "notify.h"
29#include "scan.h"
30#include "bss.h"
24f6497c 31#include "offchannel.h"
b22128ef
JM		 32#include "wps_supplicant.h"
33#include "p2p_supplicant.h"
34
35
9b1ab931
JM		 36/*
37 * How many times to try to scan to find the GO before giving up on join
38 * request.
39 */
40#define P2P_MAX_JOIN_SCAN_ATTEMPTS 10
41
c8106615
JM		 42#ifndef P2P_MAX_CLIENT_IDLE
43/*
44 * How many seconds to try to reconnect to the GO when connection in P2P client
45 * role has been lost.
46 */
47#define P2P_MAX_CLIENT_IDLE 10
48#endif /* P2P_MAX_CLIENT_IDLE */
49
361cdf34
JM		 50#ifndef P2P_MAX_INITIAL_CONN_WAIT
51/*
52 * How many seconds to wait for initial 4-way handshake to get completed after
53 * WPS provisioning step.
54 */
55#define P2P_MAX_INITIAL_CONN_WAIT 10
56#endif /* P2P_MAX_INITIAL_CONN_WAIT */
57
9b1ab931 58
b22128ef
JM		 59static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx);
60static struct wpa_supplicant *
61wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
62 int go);
63static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s);
ef922c4a 64static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx);
108def93 65static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr,
b31be3a0
JM		 66 const u8 *dev_addr, enum p2p_wps_method wps_method,
67 int auto_join);
f63b8542
JM		 68static void wpas_p2p_pd_before_join_timeout(void *eloop_ctx,
69 void *timeout_ctx);
b22128ef 70static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s);
72044390 71static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s);
3071e181
JM		 72static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx);
73static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s);
b22128ef
JM		 74
75
76static void wpas_p2p_scan_res_handler(struct wpa_supplicant *wpa_s,
77 struct wpa_scan_results *scan_res)
78{
79 size_t i;
80
9526fd29 81 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
b22128ef
JM		 82 return;
83
84 wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS)",
85 (int) scan_res->num);
86
87 for (i = 0; i < scan_res->num; i++) {
88 struct wpa_scan_res *bss = scan_res->res[i];
89 if (p2p_scan_res_handler(wpa_s->global->p2p, bss->bssid,
90 bss->freq, bss->level,
91 (const u8 *) (bss + 1),
92 bss->ie_len) > 0)
9bcf9541 93 break;
b22128ef
JM		 94 }
95
96 p2p_scan_res_handled(wpa_s->global->p2p);
97}
98
99
046ef4aa
JMB		 100static int wpas_p2p_scan(void *ctx, enum p2p_scan_type type, int freq,
101 unsigned int num_req_dev_types,
360182ed 102 const u8 *req_dev_types, const u8 *dev_id, u16 pw_id)
b22128ef
JM		 103{
104 struct wpa_supplicant *wpa_s = ctx;
105 struct wpa_driver_scan_params params;
106 int ret;
107 struct wpabuf *wps_ie, *ies;
108 int social_channels[] = { 2412, 2437, 2462, 0, 0 };
206e1f42 109 size_t ielen;
39185dfa 110 int was_in_p2p_scan;
b22128ef 111
9526fd29
JM		 112 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
113 return -1;
114
b22128ef
JM		 115 os_memset(&params, 0, sizeof(params));
116
117 /* P2P Wildcard SSID */
118 params.num_ssids = 1;
119 params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID;
120 params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN;
121
122 wpa_s->wps->dev.p2p = 1;
360182ed
JM		 123 wps_ie = wps_build_probe_req_ie(pw_id, &wpa_s->wps->dev,
124 wpa_s->wps->uuid, WPS_REQ_ENROLLEE,
046ef4aa 125 num_req_dev_types, req_dev_types);
b22128ef
JM		 126 if (wps_ie == NULL)
127 return -1;
128
206e1f42
JM		 129 ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p);
130 ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen);
b22128ef
JM		 131 if (ies == NULL) {
132 wpabuf_free(wps_ie);
133 return -1;
134 }
135 wpabuf_put_buf(ies, wps_ie);
136 wpabuf_free(wps_ie);
137
6d92fa6e 138 p2p_scan_ie(wpa_s->global->p2p, ies, dev_id);
b22128ef 139
47185fc7 140 params.p2p_probe = 1;
b22128ef
JM		 141 params.extra_ies = wpabuf_head(ies);
142 params.extra_ies_len = wpabuf_len(ies);
143
144 switch (type) {
145 case P2P_SCAN_SOCIAL:
146 params.freqs = social_channels;
147 break;
148 case P2P_SCAN_FULL:
149 break;
150 case P2P_SCAN_SPECIFIC:
151 social_channels[0] = freq;
152 social_channels[1] = 0;
153 params.freqs = social_channels;
154 break;
155 case P2P_SCAN_SOCIAL_PLUS_ONE:
156 social_channels[3] = freq;
157 params.freqs = social_channels;
158 break;
159 }
160
39185dfa 161 was_in_p2p_scan = wpa_s->scan_res_handler == wpas_p2p_scan_res_handler;
b22128ef 162 wpa_s->scan_res_handler = wpas_p2p_scan_res_handler;
17fbb751 163 ret = wpa_drv_scan(wpa_s, &params);
b22128ef
JM		 164
165 wpabuf_free(ies);
166
39185dfa 167 if (ret) {
0c96fd6d 168 wpa_s->scan_res_handler = NULL;
39185dfa
JM		 169 if (wpa_s->scanning || was_in_p2p_scan) {
170 wpa_s->p2p_cb_on_scan_complete = 1;
171 ret = 1;
172 }
173 }
0c96fd6d 174
b22128ef
JM		 175 return ret;
176}
177
178
b22128ef
JM		 179static enum wpa_driver_if_type wpas_p2p_if_type(int p2p_group_interface)
180{
181 switch (p2p_group_interface) {
182 case P2P_GROUP_INTERFACE_PENDING:
183 return WPA_IF_P2P_GROUP;
184 case P2P_GROUP_INTERFACE_GO:
185 return WPA_IF_P2P_GO;
186 case P2P_GROUP_INTERFACE_CLIENT:
187 return WPA_IF_P2P_CLIENT;
188 }
189
190 return WPA_IF_P2P_GROUP;
191}
192
193
6c0da49f
JM		 194static struct wpa_supplicant * wpas_get_p2p_group(struct wpa_supplicant *wpa_s,
195 const u8 *ssid,
196 size_t ssid_len, int *go)
197{
198 struct wpa_ssid *s;
199
200 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
201 for (s = wpa_s->conf->ssid; s; s = s->next) {
202 if (s->disabled != 0 || !s->p2p_group ||
203 s->ssid_len != ssid_len ||
204 os_memcmp(ssid, s->ssid, ssid_len) != 0)
205 continue;
206 if (s->mode == WPAS_MODE_P2P_GO &&
207 s != wpa_s->current_ssid)
208 continue;
209 if (go)
210 *go = s->mode == WPAS_MODE_P2P_GO;
211 return wpa_s;
212 }
213 }
214
215 return NULL;
216}
217
218
b22128ef
JM		 219static void wpas_p2p_group_delete(struct wpa_supplicant *wpa_s)
220{
221 struct wpa_ssid *ssid;
222 char *gtype;
3071e181
JM		 223 const char *reason;
224
b22128ef
JM		 225 ssid = wpa_s->current_ssid;
226 if (ssid == NULL) {
227 /*
228 * The current SSID was not known, but there may still be a
229 * pending P2P group interface waiting for provisioning.
230 */
231 ssid = wpa_s->conf->ssid;
232 while (ssid) {
233 if (ssid->p2p_group &&
234 (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION ||
235 (ssid->key_mgmt & WPA_KEY_MGMT_WPS)))
236 break;
237 ssid = ssid->next;
238 }
239 }
240 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO)
241 gtype = "GO";
242 else if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT ||
243 (ssid && ssid->mode == WPAS_MODE_INFRA)) {
244 wpa_s->reassociate = 0;
245 wpa_s->disconnected = 1;
246 wpa_supplicant_deauthenticate(wpa_s,
247 WLAN_REASON_DEAUTH_LEAVING);
248 gtype = "client";
249 } else
250 gtype = "GO";
72044390
JM		 251 if (wpa_s->cross_connect_in_use) {
252 wpa_s->cross_connect_in_use = 0;
253 wpa_msg(wpa_s->parent, MSG_INFO,
254 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
255 wpa_s->ifname, wpa_s->cross_connect_uplink);
256 }
3071e181
JM		 257 switch (wpa_s->removal_reason) {
258 case P2P_GROUP_REMOVAL_REQUESTED:
259 reason = " reason=REQUESTED";
260 break;
261 case P2P_GROUP_REMOVAL_IDLE_TIMEOUT:
262 reason = " reason=IDLE";
263 break;
c973f386
JM		 264 case P2P_GROUP_REMOVAL_UNAVAILABLE:
265 reason = " reason=UNAVAILABLE";
266 break;
3fc14102
JM		 267 case P2P_GROUP_REMOVAL_GO_ENDING_SESSION:
268 reason = " reason=GO_ENDING_SESSION";
269 break;
3071e181
JM		 270 default:
271 reason = "";
272 break;
273 }
274 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_REMOVED "%s %s%s",
275 wpa_s->ifname, gtype, reason);
408af93e 276
dddc7045
JM		 277 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0)
278 wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout");
a7a30b90 279
408af93e
JB		 280 if (ssid)
281 wpas_notify_p2p_group_removed(wpa_s, ssid, gtype);
282
b22128ef
JM		 283 if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) {
284 struct wpa_global *global;
285 char *ifname;
286 enum wpa_driver_if_type type;
287 wpa_printf(MSG_DEBUG, "P2P: Remove group interface %s",
288 wpa_s->ifname);
289 global = wpa_s->global;
290 ifname = os_strdup(wpa_s->ifname);
291 type = wpas_p2p_if_type(wpa_s->p2p_group_interface);
df509539 292 wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0);
b22128ef
JM		 293 wpa_s = global->ifaces;
294 if (wpa_s && ifname)
295 wpa_drv_if_remove(wpa_s, type, ifname);
296 os_free(ifname);
297 return;
298 }
299
300 wpa_printf(MSG_DEBUG, "P2P: Remove temporary group network");
301 if (ssid && (ssid->p2p_group ||
302 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION ||
303 (ssid->key_mgmt & WPA_KEY_MGMT_WPS))) {
304 int id = ssid->id;
20a0b03d
JM		 305 if (ssid == wpa_s->current_ssid) {
306 wpa_sm_set_config(wpa_s->wpa, NULL);
307 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
b22128ef 308 wpa_s->current_ssid = NULL;
20a0b03d 309 }
c2762e41
JS		 310 /*
311 * Networks objects created during any P2P activities are not
312 * exposed out as they might/will confuse certain non-P2P aware
313 * applications since these network objects won't behave like
314 * regular ones.
315 *
316 * Likewise, we don't send out network removed signals for such
317 * network objects.
318 */
b22128ef
JM		 319 wpa_config_remove_network(wpa_s->conf, id);
320 wpa_supplicant_clear_status(wpa_s);
433cd2ce 321 wpa_supplicant_cancel_sched_scan(wpa_s);
b22128ef
JM		 322 } else {
323 wpa_printf(MSG_DEBUG, "P2P: Temporary group network not "
324 "found");
325 }
3c29244e
EP		 326 if (wpa_s->ap_iface)
327 wpa_supplicant_ap_deinit(wpa_s);
328 else
329 wpa_drv_deinit_p2p_cli(wpa_s);
b22128ef
JM		 330}
331
332
333static int wpas_p2p_persistent_group(struct wpa_supplicant *wpa_s,
334 u8 *go_dev_addr,
335 const u8 *ssid, size_t ssid_len)
336{
337 struct wpa_bss *bss;
338 const u8 *bssid;
339 struct wpabuf *p2p;
340 u8 group_capab;
341 const u8 *addr;
342
343 if (wpa_s->go_params)
344 bssid = wpa_s->go_params->peer_interface_addr;
345 else
346 bssid = wpa_s->bssid;
347
348 bss = wpa_bss_get(wpa_s, bssid, ssid, ssid_len);
349 if (bss == NULL) {
350 u8 iface_addr[ETH_ALEN];
351 if (p2p_get_interface_addr(wpa_s->global->p2p, bssid,
352 iface_addr) == 0)
353 bss = wpa_bss_get(wpa_s, iface_addr, ssid, ssid_len);
354 }
355 if (bss == NULL) {
356 wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether "
357 "group is persistent - BSS " MACSTR " not found",
358 MAC2STR(bssid));
359 return 0;
360 }
361
362 p2p = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
363 if (p2p == NULL) {
364 wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether "
365 "group is persistent - BSS " MACSTR
366 " did not include P2P IE", MAC2STR(bssid));
367 wpa_hexdump(MSG_DEBUG, "P2P: Probe Response IEs",
368 (u8 *) (bss + 1), bss->ie_len);
369 wpa_hexdump(MSG_DEBUG, "P2P: Beacon IEs",
370 ((u8 *) bss + 1) + bss->ie_len,
371 bss->beacon_ie_len);
372 return 0;
373 }
374
375 group_capab = p2p_get_group_capab(p2p);
376 addr = p2p_get_go_dev_addr(p2p);
377 wpa_printf(MSG_DEBUG, "P2P: Checking whether group is persistent: "
378 "group_capab=0x%x", group_capab);
379 if (addr) {
380 os_memcpy(go_dev_addr, addr, ETH_ALEN);
381 wpa_printf(MSG_DEBUG, "P2P: GO Device Address " MACSTR,
382 MAC2STR(addr));
383 } else
384 os_memset(go_dev_addr, 0, ETH_ALEN);
385 wpabuf_free(p2p);
386
387 wpa_printf(MSG_DEBUG, "P2P: BSS " MACSTR " group_capab=0x%x "
388 "go_dev_addr=" MACSTR,
389 MAC2STR(bssid), group_capab, MAC2STR(go_dev_addr));
390
391 return group_capab & P2P_GROUP_CAPAB_PERSISTENT_GROUP;
392}
393
394
4b6baa2f
JMB		 395static int wpas_p2p_store_persistent_group(struct wpa_supplicant *wpa_s,
396 struct wpa_ssid *ssid,
397 const u8 *go_dev_addr)
b22128ef
JM		 398{
399 struct wpa_ssid *s;
400 int changed = 0;
401
402 wpa_printf(MSG_DEBUG, "P2P: Storing credentials for a persistent "
403 "group (GO Dev Addr " MACSTR ")", MAC2STR(go_dev_addr));
404 for (s = wpa_s->conf->ssid; s; s = s->next) {
405 if (s->disabled == 2 &&
406 os_memcmp(go_dev_addr, s->bssid, ETH_ALEN) == 0 &&
407 s->ssid_len == ssid->ssid_len &&
408 os_memcmp(ssid->ssid, s->ssid, ssid->ssid_len) == 0)
409 break;
410 }
411
412 if (s) {
413 wpa_printf(MSG_DEBUG, "P2P: Update existing persistent group "
414 "entry");
415 if (ssid->passphrase && !s->passphrase)
416 changed = 1;
417 else if (ssid->passphrase && s->passphrase &&
418 os_strcmp(ssid->passphrase, s->passphrase) != 0)
419 changed = 1;
420 } else {
421 wpa_printf(MSG_DEBUG, "P2P: Create a new persistent group "
422 "entry");
423 changed = 1;
424 s = wpa_config_add_network(wpa_s->conf);
425 if (s == NULL)
4b6baa2f 426 return -1;
c2762e41
JS		 427
428 /*
429 * Instead of network_added we emit persistent_group_added
430 * notification. Also to keep the defense checks in
431 * persistent_group obj registration method, we set the
432 * relevant flags in s to designate it as a persistent group.
433 */
434 s->p2p_group = 1;
435 s->p2p_persistent_group = 1;
436 wpas_notify_persistent_group_added(wpa_s, s);
b22128ef
JM		 437 wpa_config_set_network_defaults(s);
438 }
439
440 s->p2p_group = 1;
441 s->p2p_persistent_group = 1;
442 s->disabled = 2;
443 s->bssid_set = 1;
444 os_memcpy(s->bssid, go_dev_addr, ETH_ALEN);
445 s->mode = ssid->mode;
446 s->auth_alg = WPA_AUTH_ALG_OPEN;
447 s->key_mgmt = WPA_KEY_MGMT_PSK;
448 s->proto = WPA_PROTO_RSN;
449 s->pairwise_cipher = WPA_CIPHER_CCMP;
d1c8ac88 450 s->export_keys = 1;
b22128ef
JM		 451 if (ssid->passphrase) {
452 os_free(s->passphrase);
453 s->passphrase = os_strdup(ssid->passphrase);
454 }
455 if (ssid->psk_set) {
456 s->psk_set = 1;
457 os_memcpy(s->psk, ssid->psk, 32);
458 }
459 if (s->passphrase && !s->psk_set)
460 wpa_config_update_psk(s);
461 if (s->ssid == NULL || s->ssid_len < ssid->ssid_len) {
462 os_free(s->ssid);
463 s->ssid = os_malloc(ssid->ssid_len);
464 }
465 if (s->ssid) {
466 s->ssid_len = ssid->ssid_len;
467 os_memcpy(s->ssid, ssid->ssid, s->ssid_len);
468 }
469
470#ifndef CONFIG_NO_CONFIG_WRITE
471 if (changed && wpa_s->conf->update_config &&
472 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
473 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
474 }
475#endif /* CONFIG_NO_CONFIG_WRITE */
4b6baa2f
JMB		 476
477 return s->id;
b22128ef
JM		 478}
479
480
fbdcfd57
JM		 481static void wpas_p2p_add_persistent_group_client(struct wpa_supplicant *wpa_s,
482 const u8 *addr)
483{
484 struct wpa_ssid *ssid, *s;
485 u8 *n;
486 size_t i;
487
488 ssid = wpa_s->current_ssid;
489 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
490 !ssid->p2p_persistent_group)
491 return;
492
493 for (s = wpa_s->parent->conf->ssid; s; s = s->next) {
494 if (s->disabled != 2 || s->mode != WPAS_MODE_P2P_GO)
495 continue;
496
497 if (s->ssid_len == ssid->ssid_len &&
498 os_memcmp(s->ssid, ssid->ssid, s->ssid_len) == 0)
499 break;
500 }
501
502 if (s == NULL)
503 return;
504
505 for (i = 0; s->p2p_client_list && i < s->num_p2p_clients; i++) {
506 if (os_memcmp(s->p2p_client_list + i * ETH_ALEN, addr,
507 ETH_ALEN) == 0)
508 return; /* already in list */
509 }
510
511 n = os_realloc(s->p2p_client_list,
512 (s->num_p2p_clients + 1) * ETH_ALEN);
513 if (n == NULL)
514 return;
515 os_memcpy(n + s->num_p2p_clients * ETH_ALEN, addr, ETH_ALEN);
516 s->p2p_client_list = n;
517 s->num_p2p_clients++;
518
519#ifndef CONFIG_NO_CONFIG_WRITE
520 if (wpa_s->parent->conf->update_config &&
521 wpa_config_write(wpa_s->parent->confname, wpa_s->parent->conf))
522 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
523#endif /* CONFIG_NO_CONFIG_WRITE */
524}
525
526
b22128ef
JM		 527static void wpas_group_formation_completed(struct wpa_supplicant *wpa_s,
528 int success)
529{
530 struct wpa_ssid *ssid;
531 const char *ssid_txt;
532 int client;
533 int persistent;
534 u8 go_dev_addr[ETH_ALEN];
4b6baa2f 535 int network_id = -1;
b22128ef
JM		 536
537 /*
538 * This callback is likely called for the main interface. Update wpa_s
539 * to use the group interface if a new interface was created for the
540 * group.
541 */
542 if (wpa_s->global->p2p_group_formation)
543 wpa_s = wpa_s->global->p2p_group_formation;
d1b024c9 544 wpa_s->global->p2p_group_formation = NULL;
b22128ef
JM		 545 wpa_s->p2p_in_provisioning = 0;
546
547 if (!success) {
548 wpa_msg(wpa_s->parent, MSG_INFO,
549 P2P_EVENT_GROUP_FORMATION_FAILURE);
550 wpas_p2p_group_delete(wpa_s);
551 return;
552 }
553
554 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_FORMATION_SUCCESS);
555
556 ssid = wpa_s->current_ssid;
557 if (ssid && ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
558 ssid->mode = WPAS_MODE_P2P_GO;
559 p2p_group_notif_formation_done(wpa_s->p2p_group);
560 wpa_supplicant_ap_mac_addr_filter(wpa_s, NULL);
561 }
562
563 persistent = 0;
564 if (ssid) {
565 ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len);
566 client = ssid->mode == WPAS_MODE_INFRA;
567 if (ssid->mode == WPAS_MODE_P2P_GO) {
568 persistent = ssid->p2p_persistent_group;
d7e70476 569 os_memcpy(go_dev_addr, wpa_s->global->p2p_dev_addr,
b22128ef
JM		 570 ETH_ALEN);
571 } else
572 persistent = wpas_p2p_persistent_group(wpa_s,
573 go_dev_addr,
574 ssid->ssid,
575 ssid->ssid_len);
576 } else {
577 ssid_txt = "";
578 client = wpa_s->p2p_group_interface ==
579 P2P_GROUP_INTERFACE_CLIENT;
62c0d27e 580 os_memset(go_dev_addr, 0, ETH_ALEN);
b22128ef
JM		 581 }
582
583 wpa_s->show_group_started = 0;
584 if (client) {
585 /*
586 * Indicate event only after successfully completed 4-way
587 * handshake, i.e., when the interface is ready for data
588 * packets.
589 */
590 wpa_s->show_group_started = 1;
591 } else if (ssid && ssid->passphrase == NULL && ssid->psk_set) {
592 char psk[65];
593 wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32);
594 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
c481048f
AC		 595 "%s GO ssid=\"%s\" freq=%d psk=%s go_dev_addr=" MACSTR
596 "%s",
597 wpa_s->ifname, ssid_txt, ssid->frequency, psk,
598 MAC2STR(go_dev_addr),
b22128ef 599 persistent ? " [PERSISTENT]" : "");
72044390 600 wpas_p2p_cross_connect_setup(wpa_s);
3071e181 601 wpas_p2p_set_group_idle_timeout(wpa_s);
b22128ef
JM		 602 } else {
603 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
c481048f
AC		 604 "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" "
605 "go_dev_addr=" MACSTR "%s",
d394a22f 606 wpa_s->ifname, ssid_txt, ssid ? ssid->frequency : 0,
b22128ef
JM		 607 ssid && ssid->passphrase ? ssid->passphrase : "",
608 MAC2STR(go_dev_addr),
609 persistent ? " [PERSISTENT]" : "");
72044390 610 wpas_p2p_cross_connect_setup(wpa_s);
3071e181 611 wpas_p2p_set_group_idle_timeout(wpa_s);
b22128ef
JM		 612 }
613
614 if (persistent)
4b6baa2f
JMB		 615 network_id = wpas_p2p_store_persistent_group(wpa_s->parent,
616 ssid, go_dev_addr);
21fe9e75 617 if (network_id < 0 && ssid)
4b6baa2f
JMB		 618 network_id = ssid->id;
619 if (!client)
620 wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 0);
b22128ef
JM		 621}
622
623
24f6497c
JM		 624static void wpas_p2p_send_action_tx_status(struct wpa_supplicant *wpa_s,
625 unsigned int freq,
626 const u8 *dst, const u8 *src,
627 const u8 *bssid,
628 const u8 *data, size_t data_len,
629 enum offchannel_send_action_result
630 result)
534525ff 631{
24f6497c 632 enum p2p_send_action_result res = P2P_SEND_ACTION_SUCCESS;
b22128ef 633
9526fd29 634 if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled)
b22128ef 635 return;
3ac17eba
JM		 636 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
637 return;
b22128ef 638
24f6497c
JM		 639 switch (result) {
640 case OFFCHANNEL_SEND_ACTION_SUCCESS:
641 res = P2P_SEND_ACTION_SUCCESS;
642 break;
643 case OFFCHANNEL_SEND_ACTION_NO_ACK:
644 res = P2P_SEND_ACTION_NO_ACK;
645 break;
646 case OFFCHANNEL_SEND_ACTION_FAILED:
647 res = P2P_SEND_ACTION_FAILED;
648 break;
b22128ef
JM		 649 }
650
24f6497c 651 p2p_send_action_cb(wpa_s->global->p2p, freq, dst, src, bssid, res);
b22128ef 652
f63b8542
JM		 653 if (result != OFFCHANNEL_SEND_ACTION_SUCCESS &&
654 wpa_s->pending_pd_before_join &&
24f6497c
JM		 655 (os_memcmp(dst, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 ||
656 os_memcmp(dst, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
b22128ef
JM		 657 wpa_s->pending_pd_before_join = 0;
658 wpa_printf(MSG_DEBUG, "P2P: Starting pending "
f63b8542
JM		 659 "join-existing-group operation (no ACK for PD "
660 "Req)");
b22128ef
JM		 661 wpas_p2p_join_start(wpa_s);
662 }
663}
664
665
666static int wpas_send_action(void *ctx, unsigned int freq, const u8 *dst,
667 const u8 *src, const u8 *bssid, const u8 *buf,
668 size_t len, unsigned int wait_time)
669{
670 struct wpa_supplicant *wpa_s = ctx;
24f6497c
JM		 671 return offchannel_send_action(wpa_s, freq, dst, src, bssid, buf, len,
672 wait_time,
b106173a 673 wpas_p2p_send_action_tx_status, 1);
b22128ef
JM		 674}
675
676
677static void wpas_send_action_done(void *ctx)
678{
679 struct wpa_supplicant *wpa_s = ctx;
24f6497c 680 offchannel_send_action_done(wpa_s);
b22128ef
JM		 681}
682
683
684static int wpas_copy_go_neg_results(struct wpa_supplicant *wpa_s,
685 struct p2p_go_neg_results *params)
686{
687 if (wpa_s->go_params == NULL) {
688 wpa_s->go_params = os_malloc(sizeof(*params));
689 if (wpa_s->go_params == NULL)
690 return -1;
691 }
692 os_memcpy(wpa_s->go_params, params, sizeof(*params));
693 return 0;
694}
695
696
697static void wpas_start_wps_enrollee(struct wpa_supplicant *wpa_s,
698 struct p2p_go_neg_results *res)
699{
3b29972c
JM		 700 wpa_printf(MSG_DEBUG, "P2P: Start WPS Enrollee for peer " MACSTR,
701 MAC2STR(res->peer_interface_addr));
e9a7ae41
JM		 702 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Start WPS Enrollee for SSID",
703 res->ssid, res->ssid_len);
b22128ef
JM		 704 wpa_supplicant_ap_deinit(wpa_s);
705 wpas_copy_go_neg_results(wpa_s, res);
706 if (res->wps_method == WPS_PBC)
3b29972c 707 wpas_wps_start_pbc(wpa_s, res->peer_interface_addr, 1);
3c5126a4
JM		 708 else {
709 u16 dev_pw_id = DEV_PW_DEFAULT;
710 if (wpa_s->p2p_wps_method == WPS_PIN_KEYPAD)
711 dev_pw_id = DEV_PW_REGISTRAR_SPECIFIED;
b22128ef 712 wpas_wps_start_pin(wpa_s, res->peer_interface_addr,
3c5126a4
JM		 713 wpa_s->p2p_pin, 1, dev_pw_id);
714 }
b22128ef
JM		 715}
716
717
718static void p2p_go_configured(void *ctx, void *data)
719{
720 struct wpa_supplicant *wpa_s = ctx;
721 struct p2p_go_neg_results *params = data;
722 struct wpa_ssid *ssid;
4b6baa2f 723 int network_id = -1;
b22128ef
JM		 724
725 ssid = wpa_s->current_ssid;
726 if (ssid && ssid->mode == WPAS_MODE_P2P_GO) {
727 wpa_printf(MSG_DEBUG, "P2P: Group setup without provisioning");
d1b024c9
JM		 728 if (wpa_s->global->p2p_group_formation == wpa_s)
729 wpa_s->global->p2p_group_formation = NULL;
b22128ef 730 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
c481048f
AC		 731 "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" "
732 "go_dev_addr=" MACSTR "%s",
b22128ef
JM		 733 wpa_s->ifname,
734 wpa_ssid_txt(ssid->ssid, ssid->ssid_len),
c481048f 735 ssid->frequency,
b22128ef 736 params->passphrase ? params->passphrase : "",
d7e70476 737 MAC2STR(wpa_s->global->p2p_dev_addr),
b22128ef 738 params->persistent_group ? " [PERSISTENT]" : "");
4b6baa2f 739
b22128ef 740 if (params->persistent_group)
4b6baa2f 741 network_id = wpas_p2p_store_persistent_group(
b22128ef 742 wpa_s->parent, ssid,
d7e70476 743 wpa_s->global->p2p_dev_addr);
4b6baa2f
JMB		 744 if (network_id < 0)
745 network_id = ssid->id;
746 wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 0);
72044390 747 wpas_p2p_cross_connect_setup(wpa_s);
3071e181 748 wpas_p2p_set_group_idle_timeout(wpa_s);
b22128ef
JM		 749 return;
750 }
751
752 wpa_printf(MSG_DEBUG, "P2P: Setting up WPS for GO provisioning");
753 if (wpa_supplicant_ap_mac_addr_filter(wpa_s,
754 params->peer_interface_addr)) {
755 wpa_printf(MSG_DEBUG, "P2P: Failed to setup MAC address "
756 "filtering");
757 return;
758 }
759 if (params->wps_method == WPS_PBC)
d601247c 760 wpa_supplicant_ap_wps_pbc(wpa_s, params->peer_interface_addr,
c3daaf33 761 params->peer_device_addr);
b22128ef
JM		 762 else if (wpa_s->p2p_pin[0])
763 wpa_supplicant_ap_wps_pin(wpa_s, params->peer_interface_addr,
764 wpa_s->p2p_pin, NULL, 0);
765 os_free(wpa_s->go_params);
766 wpa_s->go_params = NULL;
767}
768
769
770static void wpas_start_wps_go(struct wpa_supplicant *wpa_s,
771 struct p2p_go_neg_results *params,
772 int group_formation)
773{
774 struct wpa_ssid *ssid;
775
776 if (wpas_copy_go_neg_results(wpa_s, params) < 0)
777 return;
778
779 ssid = wpa_config_add_network(wpa_s->conf);
780 if (ssid == NULL)
781 return;
782
a9e02d59
JM		 783 wpa_s->show_group_started = 0;
784
b22128ef
JM		 785 wpa_config_set_network_defaults(ssid);
786 ssid->temporary = 1;
787 ssid->p2p_group = 1;
788 ssid->p2p_persistent_group = params->persistent_group;
789 ssid->mode = group_formation ? WPAS_MODE_P2P_GROUP_FORMATION :
790 WPAS_MODE_P2P_GO;
791 ssid->frequency = params->freq;
792 ssid->ssid = os_zalloc(params->ssid_len + 1);
793 if (ssid->ssid) {
794 os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
795 ssid->ssid_len = params->ssid_len;
796 }
797 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
798 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
799 ssid->proto = WPA_PROTO_RSN;
800 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
801 ssid->passphrase = os_strdup(params->passphrase);
802
803 wpa_s->ap_configured_cb = p2p_go_configured;
804 wpa_s->ap_configured_cb_ctx = wpa_s;
805 wpa_s->ap_configured_cb_data = wpa_s->go_params;
7dcdcfd6 806 wpa_s->connect_without_scan = ssid;
b22128ef
JM		 807 wpa_s->reassociate = 1;
808 wpa_s->disconnected = 0;
809 wpa_supplicant_req_scan(wpa_s, 0, 0);
810}
811
812
813static void wpas_p2p_clone_config(struct wpa_supplicant *dst,
814 const struct wpa_supplicant *src)
815{
816 struct wpa_config *d;
817 const struct wpa_config *s;
818
819 d = dst->conf;
820 s = src->conf;
821
822#define C(n) if (s->n) d->n = os_strdup(s->n)
823 C(device_name);
824 C(manufacturer);
825 C(model_name);
826 C(model_number);
827 C(serial_number);
b22128ef
JM		 828 C(config_methods);
829#undef C
3071e181 830
2f646b6e
JB		 831 os_memcpy(d->device_type, s->device_type, WPS_DEV_TYPE_LEN);
832 os_memcpy(d->sec_device_type, s->sec_device_type,
833 sizeof(d->sec_device_type));
834 d->num_sec_device_types = s->num_sec_device_types;
835
3071e181 836 d->p2p_group_idle = s->p2p_group_idle;
b029bd33 837 d->p2p_intra_bss = s->p2p_intra_bss;
acc247b2 838 d->persistent_reconnect = s->persistent_reconnect;
f571b593 839 d->max_num_sta = s->max_num_sta;
1298c145 840 d->pbc_in_m1 = s->pbc_in_m1;
b22128ef
JM		 841}
842
843
844static int wpas_p2p_add_group_interface(struct wpa_supplicant *wpa_s,
845 enum wpa_driver_if_type type)
846{
847 char ifname[120], force_ifname[120];
848
849 if (wpa_s->pending_interface_name[0]) {
850 wpa_printf(MSG_DEBUG, "P2P: Pending virtual interface exists "
851 "- skip creation of a new one");
852 if (is_zero_ether_addr(wpa_s->pending_interface_addr)) {
853 wpa_printf(MSG_DEBUG, "P2P: Pending virtual address "
854 "unknown?! ifname='%s'",
855 wpa_s->pending_interface_name);
856 return -1;
857 }
858 return 0;
859 }
860
a1eca5cf 861 os_snprintf(ifname, sizeof(ifname), "p2p-%s-%d", wpa_s->ifname,
b22128ef 862 wpa_s->p2p_group_idx);
a1eca5cf
JM		 863 if (os_strlen(ifname) >= IFNAMSIZ &&
864 os_strlen(wpa_s->ifname) < IFNAMSIZ) {
865 /* Try to avoid going over the IFNAMSIZ length limit */
866 os_snprintf(ifname, sizeof(ifname), "p2p-%d",
867 wpa_s->p2p_group_idx);
868 }
b22128ef
JM		 869 force_ifname[0] = '\0';
870
871 wpa_printf(MSG_DEBUG, "P2P: Create a new interface %s for the group",
872 ifname);
873 wpa_s->p2p_group_idx++;
874
875 wpa_s->pending_interface_type = type;
876 if (wpa_drv_if_add(wpa_s, type, ifname, NULL, NULL, force_ifname,
e17a2477 877 wpa_s->pending_interface_addr, NULL) < 0) {
b22128ef
JM		 878 wpa_printf(MSG_ERROR, "P2P: Failed to create new group "
879 "interface");
880 return -1;
881 }
882
883 if (force_ifname[0]) {
884 wpa_printf(MSG_DEBUG, "P2P: Driver forced interface name %s",
885 force_ifname);
886 os_strlcpy(wpa_s->pending_interface_name, force_ifname,
887 sizeof(wpa_s->pending_interface_name));
888 } else
889 os_strlcpy(wpa_s->pending_interface_name, ifname,
890 sizeof(wpa_s->pending_interface_name));
891 wpa_printf(MSG_DEBUG, "P2P: Created pending virtual interface %s addr "
892 MACSTR, wpa_s->pending_interface_name,
893 MAC2STR(wpa_s->pending_interface_addr));
894
895 return 0;
896}
897
898
899static void wpas_p2p_remove_pending_group_interface(
900 struct wpa_supplicant *wpa_s)
901{
902 if (!wpa_s->pending_interface_name[0] ||
903 is_zero_ether_addr(wpa_s->pending_interface_addr))
904 return; /* No pending virtual interface */
905
906 wpa_printf(MSG_DEBUG, "P2P: Removing pending group interface %s",
907 wpa_s->pending_interface_name);
908 wpa_drv_if_remove(wpa_s, wpa_s->pending_interface_type,
909 wpa_s->pending_interface_name);
910 os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
911 wpa_s->pending_interface_name[0] = '\0';
912}
913
914
915static struct wpa_supplicant *
916wpas_p2p_init_group_interface(struct wpa_supplicant *wpa_s, int go)
917{
918 struct wpa_interface iface;
919 struct wpa_supplicant *group_wpa_s;
920
921 if (!wpa_s->pending_interface_name[0]) {
922 wpa_printf(MSG_ERROR, "P2P: No pending group interface");
d75e8806
JM		 923 if (!wpas_p2p_create_iface(wpa_s))
924 return NULL;
925 /*
926 * Something has forced us to remove the pending interface; try
927 * to create a new one and hope for the best that we will get
928 * the same local address.
929 */
930 if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO :
931 WPA_IF_P2P_CLIENT) < 0)
932 return NULL;
b22128ef
JM		 933 }
934
935 os_memset(&iface, 0, sizeof(iface));
936 iface.ifname = wpa_s->pending_interface_name;
937 iface.driver = wpa_s->driver->name;
938 iface.ctrl_interface = wpa_s->conf->ctrl_interface;
939 iface.driver_param = wpa_s->conf->driver_param;
940 group_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface);
941 if (group_wpa_s == NULL) {
942 wpa_printf(MSG_ERROR, "P2P: Failed to create new "
943 "wpa_supplicant interface");
944 return NULL;
945 }
946 wpa_s->pending_interface_name[0] = '\0';
947 group_wpa_s->parent = wpa_s;
948 group_wpa_s->p2p_group_interface = go ? P2P_GROUP_INTERFACE_GO :
949 P2P_GROUP_INTERFACE_CLIENT;
950 wpa_s->global->p2p_group_formation = group_wpa_s;
951
952 wpas_p2p_clone_config(group_wpa_s, wpa_s);
953
954 return group_wpa_s;
955}
956
957
958static void wpas_p2p_group_formation_timeout(void *eloop_ctx,
959 void *timeout_ctx)
960{
961 struct wpa_supplicant *wpa_s = eloop_ctx;
962 wpa_printf(MSG_DEBUG, "P2P: Group Formation timed out");
963 if (wpa_s->global->p2p)
964 p2p_group_formation_failed(wpa_s->global->p2p);
3ac17eba
JM		 965 else if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
966 wpa_drv_p2p_group_formation_failed(wpa_s);
b22128ef
JM		 967 wpas_group_formation_completed(wpa_s, 0);
968}
969
970
971void wpas_go_neg_completed(void *ctx, struct p2p_go_neg_results *res)
972{
973 struct wpa_supplicant *wpa_s = ctx;
974
8eada5ca 975 if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
b22128ef
JM		 976 wpa_drv_cancel_remain_on_channel(wpa_s);
977 wpa_s->off_channel_freq = 0;
07a30a66 978 wpa_s->roc_waiting_drv_freq = 0;
b22128ef
JM		 979 }
980
981 if (res->status) {
982 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_FAILURE "status=%d",
983 res->status);
e5a359cf 984 wpas_notify_p2p_go_neg_completed(wpa_s, res);
b22128ef
JM		 985 wpas_p2p_remove_pending_group_interface(wpa_s);
986 return;
987 }
988
989 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_SUCCESS);
e5a359cf 990 wpas_notify_p2p_go_neg_completed(wpa_s, res);
b22128ef 991
23c84252
JM		 992 if (res->role_go && wpa_s->p2p_persistent_id >= 0) {
993 struct wpa_ssid *ssid;
994 ssid = wpa_config_get_network(wpa_s->conf,
995 wpa_s->p2p_persistent_id);
996 if (ssid && ssid->disabled == 2 &&
997 ssid->mode == WPAS_MODE_P2P_GO && ssid->passphrase) {
998 size_t len = os_strlen(ssid->passphrase);
999 wpa_printf(MSG_DEBUG, "P2P: Override passphrase based "
1000 "on requested persistent group");
1001 os_memcpy(res->passphrase, ssid->passphrase, len);
1002 res->passphrase[len] = '\0';
1003 }
1004 }
1005
b22128ef
JM		 1006 if (wpa_s->create_p2p_iface) {
1007 struct wpa_supplicant *group_wpa_s =
1008 wpas_p2p_init_group_interface(wpa_s, res->role_go);
1009 if (group_wpa_s == NULL) {
1010 wpas_p2p_remove_pending_group_interface(wpa_s);
1011 return;
1012 }
3c5126a4 1013 if (group_wpa_s != wpa_s) {
b22128ef
JM		 1014 os_memcpy(group_wpa_s->p2p_pin, wpa_s->p2p_pin,
1015 sizeof(group_wpa_s->p2p_pin));
3c5126a4
JM		 1016 group_wpa_s->p2p_wps_method = wpa_s->p2p_wps_method;
1017 }
b22128ef
JM		 1018 os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
1019 wpa_s->pending_interface_name[0] = '\0';
1020 group_wpa_s->p2p_in_provisioning = 1;
1021
1022 if (res->role_go)
1023 wpas_start_wps_go(group_wpa_s, res, 1);
1024 else
1025 wpas_start_wps_enrollee(group_wpa_s, res);
1026 } else {
1027 wpa_s->p2p_in_provisioning = 1;
1028 wpa_s->global->p2p_group_formation = wpa_s;
1029
1030 if (res->role_go)
1031 wpas_start_wps_go(wpa_s, res, 1);
1032 else
1033 wpas_start_wps_enrollee(ctx, res);
1034 }
1035
1036 wpa_s->p2p_long_listen = 0;
1037 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
1038
1039 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
ae3e3421
JM		 1040 eloop_register_timeout(15 + res->peer_config_timeout / 100,
1041 (res->peer_config_timeout % 100) * 10000,
1042 wpas_p2p_group_formation_timeout, wpa_s, NULL);
b22128ef
JM		 1043}
1044
1045
3dfda83d 1046void wpas_go_neg_req_rx(void *ctx, const u8 *src, u16 dev_passwd_id)
b22128ef
JM		 1047{
1048 struct wpa_supplicant *wpa_s = ctx;
3dfda83d
JM		 1049 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_REQUEST MACSTR
1050 " dev_passwd_id=%u", MAC2STR(src), dev_passwd_id);
32d1bce0
KRK		 1051
1052 wpas_notify_p2p_go_neg_req(wpa_s, src, dev_passwd_id);
b22128ef
JM		 1053}
1054
1055
c5db8e51 1056void wpas_dev_found(void *ctx, const u8 *addr,
8fd7dc1b
JB		 1057 const struct p2p_peer_info *info,
1058 int new_device)
b22128ef 1059{
5506d184 1060#ifndef CONFIG_NO_STDOUT_DEBUG
b22128ef
JM		 1061 struct wpa_supplicant *wpa_s = ctx;
1062 char devtype[WPS_DEV_TYPE_BUFSIZE];
c5db8e51 1063
b22128ef
JM		 1064 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_FOUND MACSTR
1065 " p2p_dev_addr=" MACSTR
1066 " pri_dev_type=%s name='%s' config_methods=0x%x "
1067 "dev_capab=0x%x group_capab=0x%x",
c5db8e51
KRK		 1068 MAC2STR(addr), MAC2STR(info->p2p_device_addr),
1069 wps_dev_type_bin2str(info->pri_dev_type, devtype,
1070 sizeof(devtype)),
1071 info->device_name, info->config_methods,
1072 info->dev_capab, info->group_capab);
5506d184 1073#endif /* CONFIG_NO_STDOUT_DEBUG */
d642d2d2
JB		 1074
1075 wpas_notify_p2p_device_found(ctx, info->p2p_device_addr, new_device);
b22128ef
JM		 1076}
1077
1078
56eeb8f2
JB		 1079static void wpas_dev_lost(void *ctx, const u8 *dev_addr)
1080{
1081 struct wpa_supplicant *wpa_s = ctx;
1082
3074d8f1
JJ		 1083 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_LOST
1084 "p2p_dev_addr=" MACSTR, MAC2STR(dev_addr));
1085
56eeb8f2
JB		 1086 wpas_notify_p2p_device_lost(wpa_s, dev_addr);
1087}
1088
1089
b22128ef
JM		 1090static int wpas_start_listen(void *ctx, unsigned int freq,
1091 unsigned int duration,
1092 const struct wpabuf *probe_resp_ie)
1093{
1094 struct wpa_supplicant *wpa_s = ctx;
1095
0e2e565a 1096 wpa_drv_set_ap_wps_ie(wpa_s, NULL, probe_resp_ie, NULL);
b22128ef
JM		 1097
1098 if (wpa_drv_probe_req_report(wpa_s, 1) < 0) {
1099 wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver to "
1100 "report received Probe Request frames");
1101 return -1;
1102 }
1103
1104 wpa_s->pending_listen_freq = freq;
1105 wpa_s->pending_listen_duration = duration;
1106
1107 if (wpa_drv_remain_on_channel(wpa_s, freq, duration) < 0) {
1108 wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver "
1109 "to remain on channel (%u MHz) for Listen "
1110 "state", freq);
1111 wpa_s->pending_listen_freq = 0;
1112 return -1;
1113 }
09d660b9 1114 wpa_s->off_channel_freq = 0;
07a30a66 1115 wpa_s->roc_waiting_drv_freq = freq;
b22128ef
JM		 1116
1117 return 0;
1118}
1119
1120
1121static void wpas_stop_listen(void *ctx)
1122{
1123 struct wpa_supplicant *wpa_s = ctx;
6cb22d2f 1124 if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
b22128ef
JM		 1125 wpa_drv_cancel_remain_on_channel(wpa_s);
1126 wpa_s->off_channel_freq = 0;
07a30a66 1127 wpa_s->roc_waiting_drv_freq = 0;
b22128ef 1128 }
839b33ad 1129 wpa_drv_set_ap_wps_ie(wpa_s, NULL, NULL, NULL);
b22128ef
JM		 1130 wpa_drv_probe_req_report(wpa_s, 0);
1131}
1132
1133
1134static int wpas_send_probe_resp(void *ctx, const struct wpabuf *buf)
1135{
1136 struct wpa_supplicant *wpa_s = ctx;
9dbf53fe 1137 return wpa_drv_send_mlme(wpa_s, wpabuf_head(buf), wpabuf_len(buf), 1);
b22128ef
JM		 1138}
1139
1140
1141static struct p2p_srv_bonjour *
1142wpas_p2p_service_get_bonjour(struct wpa_supplicant *wpa_s,
1143 const struct wpabuf *query)
1144{
1145 struct p2p_srv_bonjour *bsrv;
1146 size_t len;
1147
1148 len = wpabuf_len(query);
1149 dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour,
1150 struct p2p_srv_bonjour, list) {
1151 if (len == wpabuf_len(bsrv->query) &&
1152 os_memcmp(wpabuf_head(query), wpabuf_head(bsrv->query),
1153 len) == 0)
1154 return bsrv;
1155 }
1156 return NULL;
1157}
1158
1159
1160static struct p2p_srv_upnp *
1161wpas_p2p_service_get_upnp(struct wpa_supplicant *wpa_s, u8 version,
1162 const char *service)
1163{
1164 struct p2p_srv_upnp *usrv;
1165
1166 dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
1167 struct p2p_srv_upnp, list) {
1168 if (version == usrv->version &&
1169 os_strcmp(service, usrv->service) == 0)
1170 return usrv;
1171 }
1172 return NULL;
1173}
1174
1175
1176static void wpas_sd_add_proto_not_avail(struct wpabuf *resp, u8 srv_proto,
1177 u8 srv_trans_id)
1178{
1179 u8 *len_pos;
1180
1181 if (wpabuf_tailroom(resp) < 5)
1182 return;
1183
1184 /* Length (to be filled) */
1185 len_pos = wpabuf_put(resp, 2);
1186 wpabuf_put_u8(resp, srv_proto);
1187 wpabuf_put_u8(resp, srv_trans_id);
1188 /* Status Code */
1189 wpabuf_put_u8(resp, P2P_SD_PROTO_NOT_AVAILABLE);
1190 /* Response Data: empty */
1191 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
1192}
1193
1194
1195static void wpas_sd_all_bonjour(struct wpa_supplicant *wpa_s,
1196 struct wpabuf *resp, u8 srv_trans_id)
1197{
1198 struct p2p_srv_bonjour *bsrv;
1199 u8 *len_pos;
1200
1201 wpa_printf(MSG_DEBUG, "P2P: SD Request for all Bonjour services");
1202
1203 if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
1204 wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available");
1205 return;
1206 }
1207
1208 dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour,
1209 struct p2p_srv_bonjour, list) {
1210 if (wpabuf_tailroom(resp) <
1211 5 + wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp))
1212 return;
1213 /* Length (to be filled) */
1214 len_pos = wpabuf_put(resp, 2);
1215 wpabuf_put_u8(resp, P2P_SERV_BONJOUR);
1216 wpabuf_put_u8(resp, srv_trans_id);
1217 /* Status Code */
1218 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1219 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service",
1220 wpabuf_head(bsrv->resp),
1221 wpabuf_len(bsrv->resp));
1222 /* Response Data */
1223 wpabuf_put_buf(resp, bsrv->query); /* Key */
1224 wpabuf_put_buf(resp, bsrv->resp); /* Value */
1225 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
1226 2);
1227 }
1228}
1229
1230
1231static void wpas_sd_req_bonjour(struct wpa_supplicant *wpa_s,
1232 struct wpabuf *resp, u8 srv_trans_id,
1233 const u8 *query, size_t query_len)
1234{
1235 struct p2p_srv_bonjour *bsrv;
1236 struct wpabuf buf;
1237 u8 *len_pos;
1238
1239 wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for Bonjour",
1240 query, query_len);
1241 if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
1242 wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available");
1243 wpas_sd_add_proto_not_avail(resp, P2P_SERV_BONJOUR,
1244 srv_trans_id);
1245 return;
1246 }
1247
1248 if (query_len == 0) {
1249 wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
1250 return;
1251 }
1252
1253 if (wpabuf_tailroom(resp) < 5)
1254 return;
1255 /* Length (to be filled) */
1256 len_pos = wpabuf_put(resp, 2);
1257 wpabuf_put_u8(resp, P2P_SERV_BONJOUR);
1258 wpabuf_put_u8(resp, srv_trans_id);
1259
1260 wpabuf_set(&buf, query, query_len);
1261 bsrv = wpas_p2p_service_get_bonjour(wpa_s, &buf);
1262 if (bsrv == NULL) {
1263 wpa_printf(MSG_DEBUG, "P2P: Requested Bonjour service not "
1264 "available");
1265
1266 /* Status Code */
bf608cad 1267 wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE);
b22128ef
JM		 1268 /* Response Data: empty */
1269 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
1270 2);
1271 return;
1272 }
1273
1274 /* Status Code */
1275 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1276 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service",
1277 wpabuf_head(bsrv->resp), wpabuf_len(bsrv->resp));
1278
1279 if (wpabuf_tailroom(resp) >=
1280 wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp)) {
1281 /* Response Data */
1282 wpabuf_put_buf(resp, bsrv->query); /* Key */
1283 wpabuf_put_buf(resp, bsrv->resp); /* Value */
1284 }
1285 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
1286}
1287
1288
1289static void wpas_sd_all_upnp(struct wpa_supplicant *wpa_s,
1290 struct wpabuf *resp, u8 srv_trans_id)
1291{
1292 struct p2p_srv_upnp *usrv;
1293 u8 *len_pos;
1294
1295 wpa_printf(MSG_DEBUG, "P2P: SD Request for all UPnP services");
1296
1297 if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) {
1298 wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available");
1299 return;
1300 }
1301
1302 dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
1303 struct p2p_srv_upnp, list) {
1304 if (wpabuf_tailroom(resp) < 5 + 1 + os_strlen(usrv->service))
1305 return;
1306
1307 /* Length (to be filled) */
1308 len_pos = wpabuf_put(resp, 2);
1309 wpabuf_put_u8(resp, P2P_SERV_UPNP);
1310 wpabuf_put_u8(resp, srv_trans_id);
1311
1312 /* Status Code */
1313 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1314 /* Response Data */
1315 wpabuf_put_u8(resp, usrv->version);
1316 wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s",
1317 usrv->service);
1318 wpabuf_put_str(resp, usrv->service);
1319 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
1320 2);
1321 }
1322}
1323
1324
1325static void wpas_sd_req_upnp(struct wpa_supplicant *wpa_s,
1326 struct wpabuf *resp, u8 srv_trans_id,
1327 const u8 *query, size_t query_len)
1328{
1329 struct p2p_srv_upnp *usrv;
1330 u8 *len_pos;
1331 u8 version;
1332 char *str;
1333 int count = 0;
1334
1335 wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for UPnP",
1336 query, query_len);
1337
1338 if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) {
1339 wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available");
1340 wpas_sd_add_proto_not_avail(resp, P2P_SERV_UPNP,
1341 srv_trans_id);
1342 return;
1343 }
1344
1345 if (query_len == 0) {
1346 wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
1347 return;
1348 }
1349
b22128ef
JM		 1350 if (wpabuf_tailroom(resp) < 5)
1351 return;
1352
1353 /* Length (to be filled) */
1354 len_pos = wpabuf_put(resp, 2);
1355 wpabuf_put_u8(resp, P2P_SERV_UPNP);
1356 wpabuf_put_u8(resp, srv_trans_id);
1357
79222cfa
JM		 1358 version = query[0];
1359 str = os_malloc(query_len);
1360 if (str == NULL)
1361 return;
1362 os_memcpy(str, query + 1, query_len - 1);
1363 str[query_len - 1] = '\0';
1364
b22128ef
JM		 1365 dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
1366 struct p2p_srv_upnp, list) {
1367 if (version != usrv->version)
1368 continue;
1369
1370 if (os_strcmp(str, "ssdp:all") != 0 &&
1371 os_strstr(usrv->service, str) == NULL)
1372 continue;
1373
1374 if (wpabuf_tailroom(resp) < 2)
1375 break;
1376 if (count == 0) {
1377 /* Status Code */
1378 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1379 /* Response Data */
1380 wpabuf_put_u8(resp, version);
1381 } else
1382 wpabuf_put_u8(resp, ',');
1383
1384 count++;
1385
1386 wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s",
1387 usrv->service);
1388 if (wpabuf_tailroom(resp) < os_strlen(usrv->service))
1389 break;
1390 wpabuf_put_str(resp, usrv->service);
1391 }
714b8b53 1392 os_free(str);
b22128ef
JM		 1393
1394 if (count == 0) {
1395 wpa_printf(MSG_DEBUG, "P2P: Requested UPnP service not "
1396 "available");
1397 /* Status Code */
bf608cad 1398 wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE);
b22128ef
JM		 1399 /* Response Data: empty */
1400 }
1401
1402 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
1403}
1404
1405
1406void wpas_sd_request(void *ctx, int freq, const u8 *sa, u8 dialog_token,
1407 u16 update_indic, const u8 *tlvs, size_t tlvs_len)
1408{
1409 struct wpa_supplicant *wpa_s = ctx;
1410 const u8 *pos = tlvs;
1411 const u8 *end = tlvs + tlvs_len;
1412 const u8 *tlv_end;
1413 u16 slen;
1414 struct wpabuf *resp;
1415 u8 srv_proto, srv_trans_id;
1416 size_t buf_len;
1417 char *buf;
1418
1419 wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Request TLVs",
1420 tlvs, tlvs_len);
1421 buf_len = 2 * tlvs_len + 1;
1422 buf = os_malloc(buf_len);
1423 if (buf) {
1424 wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len);
1425 wpa_msg_ctrl(wpa_s, MSG_INFO, P2P_EVENT_SERV_DISC_REQ "%d "
1426 MACSTR " %u %u %s",
1427 freq, MAC2STR(sa), dialog_token, update_indic,
1428 buf);
1429 os_free(buf);
1430 }
1431
3b655312 1432 if (wpa_s->p2p_sd_over_ctrl_iface) {
1433 wpas_notify_p2p_sd_request(wpa_s, freq, sa, dialog_token,
1434 update_indic, tlvs, tlvs_len);
b22128ef 1435 return; /* to be processed by an external program */
3b655312 1436 }
b22128ef
JM		 1437
1438 resp = wpabuf_alloc(10000);
1439 if (resp == NULL)
1440 return;
1441
1442 while (pos + 1 < end) {
1443 wpa_printf(MSG_DEBUG, "P2P: Service Request TLV");
1444 slen = WPA_GET_LE16(pos);
1445 pos += 2;
1446 if (pos + slen > end || slen < 2) {
1447 wpa_printf(MSG_DEBUG, "P2P: Unexpected Query Data "
1448 "length");
1449 wpabuf_free(resp);
1450 return;
1451 }
1452 tlv_end = pos + slen;
1453
1454 srv_proto = *pos++;
1455 wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u",
1456 srv_proto);
1457 srv_trans_id = *pos++;
1458 wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u",
1459 srv_trans_id);
1460
1461 wpa_hexdump(MSG_MSGDUMP, "P2P: Query Data",
1462 pos, tlv_end - pos);
1463
6e6963ea
JM		 1464
1465 if (wpa_s->force_long_sd) {
1466 wpa_printf(MSG_DEBUG, "P2P: SD test - force long "
1467 "response");
1468 wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
1469 wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
1470 goto done;
1471 }
1472
b22128ef
JM		 1473 switch (srv_proto) {
1474 case P2P_SERV_ALL_SERVICES:
1475 wpa_printf(MSG_DEBUG, "P2P: Service Discovery Request "
1476 "for all services");
1477 if (dl_list_empty(&wpa_s->global->p2p_srv_upnp) &&
1478 dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
1479 wpa_printf(MSG_DEBUG, "P2P: No service "
1480 "discovery protocols available");
1481 wpas_sd_add_proto_not_avail(
1482 resp, P2P_SERV_ALL_SERVICES,
1483 srv_trans_id);
1484 break;
1485 }
1486 wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
1487 wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
1488 break;
1489 case P2P_SERV_BONJOUR:
1490 wpas_sd_req_bonjour(wpa_s, resp, srv_trans_id,
1491 pos, tlv_end - pos);
1492 break;
1493 case P2P_SERV_UPNP:
1494 wpas_sd_req_upnp(wpa_s, resp, srv_trans_id,
1495 pos, tlv_end - pos);
1496 break;
1497 default:
1498 wpa_printf(MSG_DEBUG, "P2P: Unavailable service "
1499 "protocol %u", srv_proto);
1500 wpas_sd_add_proto_not_avail(resp, srv_proto,
1501 srv_trans_id);
1502 break;
1503 }
1504
1505 pos = tlv_end;
1506 }
1507
6e6963ea 1508done:
e1653cac
KRK		 1509 wpas_notify_p2p_sd_request(wpa_s, freq, sa, dialog_token,
1510 update_indic, tlvs, tlvs_len);
1511
b22128ef
JM		 1512 wpas_p2p_sd_response(wpa_s, freq, sa, dialog_token, resp);
1513
1514 wpabuf_free(resp);
1515}
1516
1517
1518void wpas_sd_response(void *ctx, const u8 *sa, u16 update_indic,
1519 const u8 *tlvs, size_t tlvs_len)
1520{
1521 struct wpa_supplicant *wpa_s = ctx;
1522 const u8 *pos = tlvs;
1523 const u8 *end = tlvs + tlvs_len;
1524 const u8 *tlv_end;
1525 u16 slen;
1526 size_t buf_len;
1527 char *buf;
1528
1529 wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Response TLVs",
1530 tlvs, tlvs_len);
18708aad
JM		 1531 if (tlvs_len > 1500) {
1532 /* TODO: better way for handling this */
1533 wpa_msg_ctrl(wpa_s, MSG_INFO,
1534 P2P_EVENT_SERV_DISC_RESP MACSTR
1535 " %u <long response: %u bytes>",
1536 MAC2STR(sa), update_indic,
1537 (unsigned int) tlvs_len);
1538 } else {
1539 buf_len = 2 * tlvs_len + 1;
1540 buf = os_malloc(buf_len);
1541 if (buf) {
1542 wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len);
1543 wpa_msg_ctrl(wpa_s, MSG_INFO,
1544 P2P_EVENT_SERV_DISC_RESP MACSTR " %u %s",
1545 MAC2STR(sa), update_indic, buf);
1546 os_free(buf);
1547 }
b22128ef
JM		 1548 }
1549
1550 while (pos < end) {
1551 u8 srv_proto, srv_trans_id, status;
1552
1553 wpa_printf(MSG_DEBUG, "P2P: Service Response TLV");
1554 slen = WPA_GET_LE16(pos);
1555 pos += 2;
1556 if (pos + slen > end || slen < 3) {
1557 wpa_printf(MSG_DEBUG, "P2P: Unexpected Response Data "
1558 "length");
1559 return;
1560 }
1561 tlv_end = pos + slen;
1562
1563 srv_proto = *pos++;
1564 wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u",
1565 srv_proto);
1566 srv_trans_id = *pos++;
1567 wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u",
1568 srv_trans_id);
1569 status = *pos++;
1570 wpa_printf(MSG_DEBUG, "P2P: Status Code ID %u",
1571 status);
1572
1573 wpa_hexdump(MSG_MSGDUMP, "P2P: Response Data",
1574 pos, tlv_end - pos);
1575
1576 pos = tlv_end;
1577 }
43a26f60
KRK		 1578
1579 wpas_notify_p2p_sd_response(wpa_s, sa, update_indic, tlvs, tlvs_len);
b22128ef
JM		 1580}
1581
1582
7165c5dc
JM		 1583u64 wpas_p2p_sd_request(struct wpa_supplicant *wpa_s, const u8 *dst,
1584 const struct wpabuf *tlvs)
b22128ef 1585{
3ac17eba 1586 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
7165c5dc 1587 return wpa_drv_p2p_sd_request(wpa_s, dst, tlvs);
9526fd29 1588 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
7165c5dc
JM		 1589 return 0;
1590 return (uintptr_t) p2p_sd_request(wpa_s->global->p2p, dst, tlvs);
b22128ef
JM		 1591}
1592
1593
7165c5dc
JM		 1594u64 wpas_p2p_sd_request_upnp(struct wpa_supplicant *wpa_s, const u8 *dst,
1595 u8 version, const char *query)
b22128ef
JM		 1596{
1597 struct wpabuf *tlvs;
7165c5dc 1598 u64 ret;
b22128ef
JM		 1599
1600 tlvs = wpabuf_alloc(2 + 1 + 1 + 1 + os_strlen(query));
1601 if (tlvs == NULL)
7165c5dc 1602 return 0;
b22128ef
JM		 1603 wpabuf_put_le16(tlvs, 1 + 1 + 1 + os_strlen(query));
1604 wpabuf_put_u8(tlvs, P2P_SERV_UPNP); /* Service Protocol Type */
1605 wpabuf_put_u8(tlvs, 1); /* Service Transaction ID */
1606 wpabuf_put_u8(tlvs, version);
1607 wpabuf_put_str(tlvs, query);
1608 ret = wpas_p2p_sd_request(wpa_s, dst, tlvs);
1609 wpabuf_free(tlvs);
1610 return ret;
1611}
1612
1613
7165c5dc 1614int wpas_p2p_sd_cancel_request(struct wpa_supplicant *wpa_s, u64 req)
b22128ef 1615{
3ac17eba 1616 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
7165c5dc 1617 return wpa_drv_p2p_sd_cancel_request(wpa_s, req);
9526fd29
JM		 1618 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
1619 return -1;
7165c5dc
JM		 1620 return p2p_sd_cancel_request(wpa_s->global->p2p,
1621 (void *) (uintptr_t) req);
b22128ef
JM		 1622}
1623
1624
1625void wpas_p2p_sd_response(struct wpa_supplicant *wpa_s, int freq,
1626 const u8 *dst, u8 dialog_token,
1627 const struct wpabuf *resp_tlvs)
1628{
3ac17eba
JM		 1629 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
1630 wpa_drv_p2p_sd_response(wpa_s, freq, dst, dialog_token,
1631 resp_tlvs);
1632 return;
1633 }
9526fd29
JM		 1634 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
1635 return;
b22128ef
JM		 1636 p2p_sd_response(wpa_s->global->p2p, freq, dst, dialog_token,
1637 resp_tlvs);
1638}
1639
1640
1641void wpas_p2p_sd_service_update(struct wpa_supplicant *wpa_s)
1642{
3ac17eba
JM		 1643 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
1644 wpa_drv_p2p_service_update(wpa_s);
1645 return;
1646 }
9526fd29
JM		 1647 if (wpa_s->global->p2p)
1648 p2p_sd_service_update(wpa_s->global->p2p);
b22128ef
JM		 1649}
1650
1651
1652static void wpas_p2p_srv_bonjour_free(struct p2p_srv_bonjour *bsrv)
1653{
1654 dl_list_del(&bsrv->list);
1655 wpabuf_free(bsrv->query);
1656 wpabuf_free(bsrv->resp);
1657 os_free(bsrv);
1658}
1659
1660
1661static void wpas_p2p_srv_upnp_free(struct p2p_srv_upnp *usrv)
1662{
1663 dl_list_del(&usrv->list);
1664 os_free(usrv->service);
1665 os_free(usrv);
1666}
1667
1668
1669void wpas_p2p_service_flush(struct wpa_supplicant *wpa_s)
1670{
1671 struct p2p_srv_bonjour *bsrv, *bn;
1672 struct p2p_srv_upnp *usrv, *un;
1673
1674 dl_list_for_each_safe(bsrv, bn, &wpa_s->global->p2p_srv_bonjour,
1675 struct p2p_srv_bonjour, list)
1676 wpas_p2p_srv_bonjour_free(bsrv);
1677
1678 dl_list_for_each_safe(usrv, un, &wpa_s->global->p2p_srv_upnp,
1679 struct p2p_srv_upnp, list)
1680 wpas_p2p_srv_upnp_free(usrv);
1681
1682 wpas_p2p_sd_service_update(wpa_s);
1683}
1684
1685
1686int wpas_p2p_service_add_bonjour(struct wpa_supplicant *wpa_s,
1687 struct wpabuf *query, struct wpabuf *resp)
1688{
1689 struct p2p_srv_bonjour *bsrv;
1690
1691 bsrv = wpas_p2p_service_get_bonjour(wpa_s, query);
1692 if (bsrv) {
1693 wpabuf_free(query);
1694 wpabuf_free(bsrv->resp);
1695 bsrv->resp = resp;
1696 return 0;
1697 }
1698
1699 bsrv = os_zalloc(sizeof(*bsrv));
1700 if (bsrv == NULL)
1701 return -1;
1702 bsrv->query = query;
1703 bsrv->resp = resp;
1704 dl_list_add(&wpa_s->global->p2p_srv_bonjour, &bsrv->list);
1705
1706 wpas_p2p_sd_service_update(wpa_s);
1707 return 0;
1708}
1709
1710
1711int wpas_p2p_service_del_bonjour(struct wpa_supplicant *wpa_s,
1712 const struct wpabuf *query)
1713{
1714 struct p2p_srv_bonjour *bsrv;
1715
1716 bsrv = wpas_p2p_service_get_bonjour(wpa_s, query);
1717 if (bsrv == NULL)
1718 return -1;
1719 wpas_p2p_srv_bonjour_free(bsrv);
1720 wpas_p2p_sd_service_update(wpa_s);
1721 return 0;
1722}
1723
1724
1725int wpas_p2p_service_add_upnp(struct wpa_supplicant *wpa_s, u8 version,
1726 const char *service)
1727{
1728 struct p2p_srv_upnp *usrv;
1729
1730 if (wpas_p2p_service_get_upnp(wpa_s, version, service))
1731 return 0; /* Already listed */
1732 usrv = os_zalloc(sizeof(*usrv));
1733 if (usrv == NULL)
1734 return -1;
1735 usrv->version = version;
1736 usrv->service = os_strdup(service);
1737 if (usrv->service == NULL) {
1738 os_free(usrv);
1739 return -1;
1740 }
1741 dl_list_add(&wpa_s->global->p2p_srv_upnp, &usrv->list);
1742
1743 wpas_p2p_sd_service_update(wpa_s);
1744 return 0;
1745}
1746
1747
1748int wpas_p2p_service_del_upnp(struct wpa_supplicant *wpa_s, u8 version,
1749 const char *service)
1750{
1751 struct p2p_srv_upnp *usrv;
1752
1753 usrv = wpas_p2p_service_get_upnp(wpa_s, version, service);
1754 if (usrv == NULL)
1755 return -1;
1756 wpas_p2p_srv_upnp_free(usrv);
1757 wpas_p2p_sd_service_update(wpa_s);
1758 return 0;
1759}
1760
1761
1762static void wpas_prov_disc_local_display(struct wpa_supplicant *wpa_s,
bbeee9b0
JB		 1763 const u8 *peer, const char *params,
1764 unsigned int generated_pin)
b22128ef
JM		 1765{
1766 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR " %08d%s",
bbeee9b0 1767 MAC2STR(peer), generated_pin, params);
b22128ef
JM		 1768}
1769
1770
1771static void wpas_prov_disc_local_keypad(struct wpa_supplicant *wpa_s,
1772 const u8 *peer, const char *params)
1773{
1774 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR "%s",
1775 MAC2STR(peer), params);
1776}
1777
1778
1779void wpas_prov_disc_req(void *ctx, const u8 *peer, u16 config_methods,
1780 const u8 *dev_addr, const u8 *pri_dev_type,
1781 const char *dev_name, u16 supp_config_methods,
c3f42784
JM		 1782 u8 dev_capab, u8 group_capab, const u8 *group_id,
1783 size_t group_id_len)
b22128ef
JM		 1784{
1785 struct wpa_supplicant *wpa_s = ctx;
1786 char devtype[WPS_DEV_TYPE_BUFSIZE];
c3f42784 1787 char params[300];
b22128ef 1788 u8 empty_dev_type[8];
bbeee9b0 1789 unsigned int generated_pin = 0;
c3f42784
JM		 1790 struct wpa_supplicant *group = NULL;
1791
1792 if (group_id) {
1793 for (group = wpa_s->global->ifaces; group; group = group->next)
1794 {
1795 struct wpa_ssid *s = group->current_ssid;
1796 if (s != NULL &&
1797 s->mode == WPAS_MODE_P2P_GO &&
1798 group_id_len - ETH_ALEN == s->ssid_len &&
1799 os_memcmp(group_id + ETH_ALEN, s->ssid,
1800 s->ssid_len) == 0)
1801 break;
1802 }
1803 }
b22128ef
JM		 1804
1805 if (pri_dev_type == NULL) {
1806 os_memset(empty_dev_type, 0, sizeof(empty_dev_type));
1807 pri_dev_type = empty_dev_type;
1808 }
1809 os_snprintf(params, sizeof(params), " p2p_dev_addr=" MACSTR
1810 " pri_dev_type=%s name='%s' config_methods=0x%x "
c3f42784 1811 "dev_capab=0x%x group_capab=0x%x%s%s",
b22128ef
JM		 1812 MAC2STR(dev_addr),
1813 wps_dev_type_bin2str(pri_dev_type, devtype,
1814 sizeof(devtype)),
c3f42784
JM		 1815 dev_name, supp_config_methods, dev_capab, group_capab,
1816 group ? " group=" : "",
1817 group ? group->ifname : "");
b22128ef
JM		 1818 params[sizeof(params) - 1] = '\0';
1819
bbeee9b0
JB		 1820 if (config_methods & WPS_CONFIG_DISPLAY) {
1821 generated_pin = wps_generate_pin();
1822 wpas_prov_disc_local_display(wpa_s, peer, params,
1823 generated_pin);
1824 } else if (config_methods & WPS_CONFIG_KEYPAD)
b22128ef
JM		 1825 wpas_prov_disc_local_keypad(wpa_s, peer, params);
1826 else if (config_methods & WPS_CONFIG_PUSHBUTTON)
1827 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_REQ MACSTR
1828 "%s", MAC2STR(peer), params);
dd8a7e05
JB		 1829
1830 wpas_notify_p2p_provision_discovery(wpa_s, peer, 1 /* request */,
1831 P2P_PROV_DISC_SUCCESS,
1832 config_methods, generated_pin);
b22128ef
JM		 1833}
1834
1835
1836void wpas_prov_disc_resp(void *ctx, const u8 *peer, u16 config_methods)
1837{
1838 struct wpa_supplicant *wpa_s = ctx;
bbeee9b0 1839 unsigned int generated_pin = 0;
0918c4bf 1840 char params[20];
bbeee9b0 1841
c1931635
JM		 1842 if (wpa_s->pending_pd_before_join &&
1843 (os_memcmp(peer, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 ||
1844 os_memcmp(peer, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
1845 wpa_s->pending_pd_before_join = 0;
1846 wpa_printf(MSG_DEBUG, "P2P: Starting pending "
1847 "join-existing-group operation");
1848 wpas_p2p_join_start(wpa_s);
1849 return;
1850 }
1851
0918c4bf
JM		 1852 if (wpa_s->pending_pd_use == AUTO_PD_JOIN ||
1853 wpa_s->pending_pd_use == AUTO_PD_GO_NEG)
1854 os_snprintf(params, sizeof(params), " peer_go=%d",
1855 wpa_s->pending_pd_use == AUTO_PD_JOIN);
1856 else
1857 params[0] = '\0';
1858
b22128ef 1859 if (config_methods & WPS_CONFIG_DISPLAY)
0918c4bf 1860 wpas_prov_disc_local_keypad(wpa_s, peer, params);
bbeee9b0
JB		 1861 else if (config_methods & WPS_CONFIG_KEYPAD) {
1862 generated_pin = wps_generate_pin();
0918c4bf
JM		 1863 wpas_prov_disc_local_display(wpa_s, peer, params,
1864 generated_pin);
bbeee9b0 1865 } else if (config_methods & WPS_CONFIG_PUSHBUTTON)
0918c4bf
JM		 1866 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_RESP MACSTR
1867 "%s", MAC2STR(peer), params);
a482883f 1868
dd8a7e05
JB		 1869 wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */,
1870 P2P_PROV_DISC_SUCCESS,
1871 config_methods, generated_pin);
b22128ef
JM		 1872}
1873
1874
19df9b07
JM		 1875static void wpas_prov_disc_fail(void *ctx, const u8 *peer,
1876 enum p2p_prov_disc_status status)
dd8a7e05
JB		 1877{
1878 struct wpa_supplicant *wpa_s = ctx;
1879
f65a239b
DG		 1880 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
1881 " p2p_dev_addr=" MACSTR " status=%d",
25a94f52 1882 MAC2STR(peer), status);
f65a239b 1883
dd8a7e05
JB		 1884 wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */,
1885 status, 0, 0);
1886}
1887
1888
b22128ef
JM		 1889static u8 wpas_invitation_process(void *ctx, const u8 *sa, const u8 *bssid,
1890 const u8 *go_dev_addr, const u8 *ssid,
1891 size_t ssid_len, int *go, u8 *group_bssid,
1892 int *force_freq, int persistent_group)
1893{
1894 struct wpa_supplicant *wpa_s = ctx;
1895 struct wpa_ssid *s;
1896 u8 cur_bssid[ETH_ALEN];
1897 int res;
ab72eb52 1898 struct wpa_supplicant *grp;
b22128ef
JM		 1899
1900 if (!persistent_group) {
1901 wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
1902 " to join an active group", MAC2STR(sa));
108def93 1903 if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) &&
131cb37c
JM		 1904 (os_memcmp(go_dev_addr, wpa_s->p2p_auth_invite, ETH_ALEN)
1905 == 0 ||
1906 os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0)) {
108def93
JM		 1907 wpa_printf(MSG_DEBUG, "P2P: Accept previously "
1908 "authorized invitation");
1909 goto accept_inv;
1910 }
b22128ef
JM		 1911 /*
1912 * Do not accept the invitation automatically; notify user and
1913 * request approval.
1914 */
1915 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
1916 }
1917
ab72eb52
JM		 1918 grp = wpas_get_p2p_group(wpa_s, ssid, ssid_len, go);
1919 if (grp) {
1920 wpa_printf(MSG_DEBUG, "P2P: Accept invitation to already "
1921 "running persistent group");
1922 if (*go)
1923 os_memcpy(group_bssid, grp->own_addr, ETH_ALEN);
1924 goto accept_inv;
1925 }
1926
b22128ef
JM		 1927 if (!wpa_s->conf->persistent_reconnect)
1928 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
1929
1930 for (s = wpa_s->conf->ssid; s; s = s->next) {
1931 if (s->disabled == 2 &&
1932 os_memcmp(s->bssid, go_dev_addr, ETH_ALEN) == 0 &&
1933 s->ssid_len == ssid_len &&
1934 os_memcmp(ssid, s->ssid, ssid_len) == 0)
1935 break;
1936 }
1937
1938 if (!s) {
1939 wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
1940 " requested reinvocation of an unknown group",
1941 MAC2STR(sa));
1942 return P2P_SC_FAIL_UNKNOWN_GROUP;
1943 }
1944
1945 if (s->mode == WPAS_MODE_P2P_GO && !wpas_p2p_create_iface(wpa_s)) {
1946 *go = 1;
1947 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
1948 wpa_printf(MSG_DEBUG, "P2P: The only available "
1949 "interface is already in use - reject "
1950 "invitation");
1951 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
1952 }
1953 os_memcpy(group_bssid, wpa_s->own_addr, ETH_ALEN);
1954 } else if (s->mode == WPAS_MODE_P2P_GO) {
1955 *go = 1;
1956 if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO) < 0)
1957 {
1958 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
1959 "interface address for the group");
1960 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
1961 }
1962 os_memcpy(group_bssid, wpa_s->pending_interface_addr,
1963 ETH_ALEN);
1964 }
1965
108def93 1966accept_inv:
b22128ef
JM		 1967 if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, cur_bssid) == 0 &&
1968 wpa_s->assoc_freq) {
1969 wpa_printf(MSG_DEBUG, "P2P: Trying to force channel to match "
1970 "the channel we are already using");
1971 *force_freq = wpa_s->assoc_freq;
1972 }
1973
1974 res = wpa_drv_shared_freq(wpa_s);
1975 if (res > 0) {
1976 wpa_printf(MSG_DEBUG, "P2P: Trying to force channel to match "
1977 "with the channel we are already using on a "
1978 "shared interface");
1979 *force_freq = res;
1980 }
1981
1982 return P2P_SC_SUCCESS;
1983}
1984
1985
1986static void wpas_invitation_received(void *ctx, const u8 *sa, const u8 *bssid,
1987 const u8 *ssid, size_t ssid_len,
1988 const u8 *go_dev_addr, u8 status,
1989 int op_freq)
1990{
1991 struct wpa_supplicant *wpa_s = ctx;
1992 struct wpa_ssid *s;
1993
1994 for (s = wpa_s->conf->ssid; s; s = s->next) {
1995 if (s->disabled == 2 &&
1996 s->ssid_len == ssid_len &&
1997 os_memcmp(ssid, s->ssid, ssid_len) == 0)
1998 break;
1999 }
2000
2001 if (status == P2P_SC_SUCCESS) {
2002 wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
2003 " was accepted; op_freq=%d MHz",
2004 MAC2STR(sa), op_freq);
2005 if (s) {
2006 wpas_p2p_group_add_persistent(
2007 wpa_s, s, s->mode == WPAS_MODE_P2P_GO, 0);
2049af2b 2008 } else if (bssid) {
108def93 2009 wpas_p2p_join(wpa_s, bssid, go_dev_addr,
b31be3a0 2010 wpa_s->p2p_wps_method, 0);
b22128ef
JM		 2011 }
2012 return;
2013 }
2014
2015 if (status != P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
2016 wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
2017 " was rejected (status %u)", MAC2STR(sa), status);
2018 return;
2019 }
2020
2021 if (!s) {
2022 if (bssid) {
2023 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
2024 "sa=" MACSTR " go_dev_addr=" MACSTR
2025 " bssid=" MACSTR " unknown-network",
2026 MAC2STR(sa), MAC2STR(go_dev_addr),
2027 MAC2STR(bssid));
2028 } else {
2029 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
2030 "sa=" MACSTR " go_dev_addr=" MACSTR
2031 " unknown-network",
2032 MAC2STR(sa), MAC2STR(go_dev_addr));
2033 }
2034 return;
2035 }
2036
2037 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED "sa=" MACSTR
2038 " persistent=%d", MAC2STR(sa), s->id);
2039}
2040
2041
2042static void wpas_invitation_result(void *ctx, int status, const u8 *bssid)
2043{
2044 struct wpa_supplicant *wpa_s = ctx;
2045 struct wpa_ssid *ssid;
2046
2047 if (bssid) {
2048 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
2049 "status=%d " MACSTR,
2050 status, MAC2STR(bssid));
2051 } else {
2052 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
2053 "status=%d ", status);
2054 }
5ccdf84f 2055 wpas_notify_p2p_invitation_result(wpa_s, status, bssid);
b22128ef 2056
706887fc
JM		 2057 if (wpa_s->pending_invite_ssid_id == -1)
2058 return; /* Invitation to active group */
2059
b22128ef
JM		 2060 if (status != P2P_SC_SUCCESS) {
2061 wpas_p2p_remove_pending_group_interface(wpa_s);
2062 return;
2063 }
2064
2065 ssid = wpa_config_get_network(wpa_s->conf,
2066 wpa_s->pending_invite_ssid_id);
2067 if (ssid == NULL) {
2068 wpa_printf(MSG_ERROR, "P2P: Could not find persistent group "
2069 "data matching with invitation");
2070 return;
2071 }
2072
2073 wpas_p2p_group_add_persistent(wpa_s, ssid,
2074 ssid->mode == WPAS_MODE_P2P_GO, 0);
2075}
2076
2077
6f3bc72b
JM		 2078static int wpas_p2p_disallowed_freq(struct wpa_global *global,
2079 unsigned int freq)
2080{
2081 unsigned int i;
2082
2083 if (global->p2p_disallow_freq == NULL)
2084 return 0;
2085
2086 for (i = 0; i < global->num_p2p_disallow_freq; i++) {
2087 if (freq >= global->p2p_disallow_freq[i].min &&
2088 freq <= global->p2p_disallow_freq[i].max)
2089 return 1;
2090 }
2091
2092 return 0;
2093}
2094
2095
2096static void wpas_p2p_add_chan(struct p2p_reg_class *reg, u8 chan)
2097{
2098 reg->channel[reg->channels] = chan;
2099 reg->channels++;
2100}
2101
2102
ac8d1011
JM		 2103static int wpas_p2p_default_channels(struct wpa_supplicant *wpa_s,
2104 struct p2p_channels *chan)
2105{
2106 int i, cla = 0;
2107
2108 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for 2.4 GHz "
2109 "band");
2110
2111 /* Operating class 81 - 2.4 GHz band channels 1..13 */
2112 chan->reg_class[cla].reg_class = 81;
6f3bc72b
JM		 2113 chan->reg_class[cla].channels = 0;
2114 for (i = 0; i < 11; i++) {
2115 if (!wpas_p2p_disallowed_freq(wpa_s->global, 2412 + i * 5))
2116 wpas_p2p_add_chan(&chan->reg_class[cla], i + 1);
2117 }
2118 if (chan->reg_class[cla].channels)
2119 cla++;
ac8d1011
JM		 2120
2121 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for lower 5 GHz "
2122 "band");
2123
2124 /* Operating class 115 - 5 GHz, channels 36-48 */
2125 chan->reg_class[cla].reg_class = 115;
6f3bc72b
JM		 2126 chan->reg_class[cla].channels = 0;
2127 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 36 * 5))
2128 wpas_p2p_add_chan(&chan->reg_class[cla], 36);
2129 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 40 * 5))
2130 wpas_p2p_add_chan(&chan->reg_class[cla], 40);
2131 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 44 * 5))
2132 wpas_p2p_add_chan(&chan->reg_class[cla], 44);
2133 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 48 * 5))
2134 wpas_p2p_add_chan(&chan->reg_class[cla], 48);
2135 if (chan->reg_class[cla].channels)
2136 cla++;
ac8d1011
JM		 2137
2138 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for higher 5 GHz "
2139 "band");
2140
2141 /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
2142 chan->reg_class[cla].reg_class = 124;
6f3bc72b
JM		 2143 chan->reg_class[cla].channels = 0;
2144 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 149 * 5))
2145 wpas_p2p_add_chan(&chan->reg_class[cla], 149);
2146 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 153 * 5))
2147 wpas_p2p_add_chan(&chan->reg_class[cla], 153);
2148 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 156 * 5))
2149 wpas_p2p_add_chan(&chan->reg_class[cla], 157);
2150 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 161 * 5))
2151 wpas_p2p_add_chan(&chan->reg_class[cla], 161);
2152 if (chan->reg_class[cla].channels)
2153 cla++;
ac8d1011
JM		 2154
2155 chan->reg_classes = cla;
2156 return 0;
2157}
2158
2159
2160static struct hostapd_hw_modes * get_mode(struct hostapd_hw_modes *modes,
2161 u16 num_modes,
2162 enum hostapd_hw_mode mode)
2163{
2164 u16 i;
2165
2166 for (i = 0; i < num_modes; i++) {
2167 if (modes[i].mode == mode)
2168 return &modes[i];
2169 }
2170
2171 return NULL;
2172}
2173
2174
6f3bc72b
JM		 2175static int has_channel(struct wpa_global *global,
2176 struct hostapd_hw_modes *mode, u8 chan, int *flags)
ac8d1011
JM		 2177{
2178 int i;
6f3bc72b
JM		 2179 unsigned int freq;
2180
2181 freq = (mode->mode == HOSTAPD_MODE_IEEE80211A ? 5000 : 2407) +
2182 chan * 5;
2183 if (wpas_p2p_disallowed_freq(global, freq))
2184 return 0;
ac8d1011
JM		 2185
2186 for (i = 0; i < mode->num_channels; i++) {
2187 if (mode->channels[i].chan == chan) {
51222429
JM		 2188 if (flags)
2189 *flags = mode->channels[i].flag;
ac8d1011
JM		 2190 return !(mode->channels[i].flag &
2191 (HOSTAPD_CHAN_DISABLED |
2192 HOSTAPD_CHAN_PASSIVE_SCAN |
2193 HOSTAPD_CHAN_NO_IBSS |
2194 HOSTAPD_CHAN_RADAR));
2195 }
2196 }
2197
2198 return 0;
2199}
2200
2201
2202struct p2p_oper_class_map {
2203 enum hostapd_hw_mode mode;
2204 u8 op_class;
2205 u8 min_chan;
2206 u8 max_chan;
2207 u8 inc;
51222429 2208 enum { BW20, BW40PLUS, BW40MINUS } bw;
ac8d1011
JM		 2209};
2210
b22128ef 2211static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s,
ac8d1011 2212 struct p2p_channels *chan)
b22128ef 2213{
6bf731e8 2214 struct hostapd_hw_modes *mode;
ac8d1011
JM		 2215 int cla, op;
2216 struct p2p_oper_class_map op_class[] = {
51222429
JM		 2217 { HOSTAPD_MODE_IEEE80211G, 81, 1, 13, 1, BW20 },
2218 { HOSTAPD_MODE_IEEE80211G, 82, 14, 14, 1, BW20 },
2219#if 0 /* Do not enable HT40 on 2 GHz for now */
2220 { HOSTAPD_MODE_IEEE80211G, 83, 1, 9, 1, BW40PLUS },
2221 { HOSTAPD_MODE_IEEE80211G, 84, 5, 13, 1, BW40MINUS },
ac8d1011 2222#endif
51222429
JM		 2223 { HOSTAPD_MODE_IEEE80211A, 115, 36, 48, 4, BW20 },
2224 { HOSTAPD_MODE_IEEE80211A, 124, 149, 161, 4, BW20 },
2225 { HOSTAPD_MODE_IEEE80211A, 116, 36, 44, 8, BW40PLUS },
2226 { HOSTAPD_MODE_IEEE80211A, 117, 40, 48, 8, BW40MINUS },
2227 { HOSTAPD_MODE_IEEE80211A, 126, 149, 157, 8, BW40PLUS },
2228 { HOSTAPD_MODE_IEEE80211A, 127, 153, 161, 8, BW40MINUS },
2229 { -1, 0, 0, 0, 0, BW20 }
ac8d1011 2230 };
b22128ef 2231
6bf731e8 2232 if (wpa_s->hw.modes == NULL) {
b22128ef
JM		 2233 wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching "
2234 "of all supported channels; assume dualband "
2235 "support");
ac8d1011 2236 return wpas_p2p_default_channels(wpa_s, chan);
b22128ef
JM		 2237 }
2238
2239 cla = 0;
2240
ac8d1011
JM		 2241 for (op = 0; op_class[op].op_class; op++) {
2242 struct p2p_oper_class_map *o = &op_class[op];
2243 u8 ch;
2244 struct p2p_reg_class *reg = NULL;
b22128ef 2245
6bf731e8 2246 mode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes, o->mode);
ac8d1011
JM		 2247 if (mode == NULL)
2248 continue;
2249 for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
51222429 2250 int flag;
6f3bc72b 2251 if (!has_channel(wpa_s->global, mode, ch, &flag))
51222429
JM		 2252 continue;
2253 if (o->bw == BW40MINUS &&
2254 (!(flag & HOSTAPD_CHAN_HT40MINUS) ||
6f3bc72b 2255 !has_channel(wpa_s->global, mode, ch - 4, NULL)))
51222429
JM		 2256 continue;
2257 if (o->bw == BW40PLUS &&
2258 (!(flag & HOSTAPD_CHAN_HT40PLUS) ||
6f3bc72b 2259 !has_channel(wpa_s->global, mode, ch + 4, NULL)))
ac8d1011
JM		 2260 continue;
2261 if (reg == NULL) {
2262 wpa_printf(MSG_DEBUG, "P2P: Add operating "
2263 "class %u", o->op_class);
2264 reg = &chan->reg_class[cla];
2265 cla++;
2266 reg->reg_class = o->op_class;
2267 }
2268 reg->channel[reg->channels] = ch;
2269 reg->channels++;
2270 }
2271 if (reg) {
2272 wpa_hexdump(MSG_DEBUG, "P2P: Channels",
2273 reg->channel, reg->channels);
2274 }
b22128ef
JM		 2275 }
2276
ac8d1011 2277 chan->reg_classes = cla;
b22128ef 2278
b22128ef
JM		 2279 return 0;
2280}
2281
2282
2283static int wpas_get_noa(void *ctx, const u8 *interface_addr, u8 *buf,
2284 size_t buf_len)
2285{
2286 struct wpa_supplicant *wpa_s = ctx;
2287
2288 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2289 if (os_memcmp(wpa_s->own_addr, interface_addr, ETH_ALEN) == 0)
2290 break;
2291 }
2292 if (wpa_s == NULL)
2293 return -1;
2294
2295 return wpa_drv_get_noa(wpa_s, buf, buf_len);
2296}
2297
2298
b1aebbc4
JM		 2299static int wpas_go_connected(void *ctx, const u8 *dev_addr)
2300{
2301 struct wpa_supplicant *wpa_s = ctx;
2302
2303 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2304 struct wpa_ssid *ssid = wpa_s->current_ssid;
2305 if (ssid == NULL)
2306 continue;
2307 if (ssid->mode != WPAS_MODE_INFRA)
2308 continue;
d9a0f666
PN		 2309 if (wpa_s->wpa_state != WPA_COMPLETED &&
2310 wpa_s->wpa_state != WPA_GROUP_HANDSHAKE)
b1aebbc4
JM		 2311 continue;
2312 if (os_memcmp(wpa_s->go_dev_addr, dev_addr, ETH_ALEN) == 0)
2313 return 1;
2314 }
2315
2316 return 0;
2317}
2318
2319
b22128ef
JM		 2320/**
2321 * wpas_p2p_init - Initialize P2P module for %wpa_supplicant
2322 * @global: Pointer to global data from wpa_supplicant_init()
2323 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2324 * Returns: 0 on success, -1 on failure
2325 */
2326int wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s)
2327{
2328 struct p2p_config p2p;
2329 unsigned int r;
f95cac27 2330 int i;
b22128ef
JM		 2331
2332 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
2333 return 0;
2334
b22128ef
JM		 2335 if (global->p2p)
2336 return 0;
2337
3ac17eba
JM		 2338 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
2339 struct p2p_params params;
2340
2341 wpa_printf(MSG_DEBUG, "P2P: Use driver-based P2P management");
2342 os_memset(&params, 0, sizeof(params));
2343 params.dev_name = wpa_s->conf->device_name;
2f646b6e
JB		 2344 os_memcpy(params.pri_dev_type, wpa_s->conf->device_type,
2345 WPS_DEV_TYPE_LEN);
2346 params.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
2347 os_memcpy(params.sec_dev_type,
2348 wpa_s->conf->sec_device_type,
2349 params.num_sec_dev_types * WPS_DEV_TYPE_LEN);
2350
3ac17eba
JM		 2351 if (wpa_drv_p2p_set_params(wpa_s, &params) < 0)
2352 return -1;
2353
2354 return 0;
2355 }
2356
b22128ef
JM		 2357 os_memset(&p2p, 0, sizeof(p2p));
2358 p2p.msg_ctx = wpa_s;
2359 p2p.cb_ctx = wpa_s;
2360 p2p.p2p_scan = wpas_p2p_scan;
2361 p2p.send_action = wpas_send_action;
2362 p2p.send_action_done = wpas_send_action_done;
2363 p2p.go_neg_completed = wpas_go_neg_completed;
2364 p2p.go_neg_req_rx = wpas_go_neg_req_rx;
2365 p2p.dev_found = wpas_dev_found;
56eeb8f2 2366 p2p.dev_lost = wpas_dev_lost;
b22128ef
JM		 2367 p2p.start_listen = wpas_start_listen;
2368 p2p.stop_listen = wpas_stop_listen;
2369 p2p.send_probe_resp = wpas_send_probe_resp;
2370 p2p.sd_request = wpas_sd_request;
2371 p2p.sd_response = wpas_sd_response;
2372 p2p.prov_disc_req = wpas_prov_disc_req;
2373 p2p.prov_disc_resp = wpas_prov_disc_resp;
dd8a7e05 2374 p2p.prov_disc_fail = wpas_prov_disc_fail;
b22128ef
JM		 2375 p2p.invitation_process = wpas_invitation_process;
2376 p2p.invitation_received = wpas_invitation_received;
2377 p2p.invitation_result = wpas_invitation_result;
2378 p2p.get_noa = wpas_get_noa;
b1aebbc4 2379 p2p.go_connected = wpas_go_connected;
b22128ef
JM		 2380
2381 os_memcpy(wpa_s->global->p2p_dev_addr, wpa_s->own_addr, ETH_ALEN);
d7e70476 2382 os_memcpy(p2p.dev_addr, wpa_s->global->p2p_dev_addr, ETH_ALEN);
b22128ef 2383 p2p.dev_name = wpa_s->conf->device_name;
b6e01800
JM		 2384 p2p.manufacturer = wpa_s->conf->manufacturer;
2385 p2p.model_name = wpa_s->conf->model_name;
2386 p2p.model_number = wpa_s->conf->model_number;
2387 p2p.serial_number = wpa_s->conf->serial_number;
2388 if (wpa_s->wps) {
2389 os_memcpy(p2p.uuid, wpa_s->wps->uuid, 16);
2390 p2p.config_methods = wpa_s->wps->config_methods;
2391 }
b22128ef
JM		 2392
2393 if (wpa_s->conf->p2p_listen_reg_class &&
2394 wpa_s->conf->p2p_listen_channel) {
2395 p2p.reg_class = wpa_s->conf->p2p_listen_reg_class;
2396 p2p.channel = wpa_s->conf->p2p_listen_channel;
2397 } else {
2398 p2p.reg_class = 81;
2399 /*
2400 * Pick one of the social channels randomly as the listen
2401 * channel.
2402 */
2403 os_get_random((u8 *) &r, sizeof(r));
2404 p2p.channel = 1 + (r % 3) * 5;
2405 }
7cfc4ac3 2406 wpa_printf(MSG_DEBUG, "P2P: Own listen channel: %d", p2p.channel);
b22128ef
JM		 2407
2408 if (wpa_s->conf->p2p_oper_reg_class &&
2409 wpa_s->conf->p2p_oper_channel) {
2410 p2p.op_reg_class = wpa_s->conf->p2p_oper_reg_class;
2411 p2p.op_channel = wpa_s->conf->p2p_oper_channel;
7cfc4ac3
AGS		 2412 p2p.cfg_op_channel = 1;
2413 wpa_printf(MSG_DEBUG, "P2P: Configured operating channel: "
2414 "%d:%d", p2p.op_reg_class, p2p.op_channel);
2415
b22128ef
JM		 2416 } else {
2417 p2p.op_reg_class = 81;
2418 /*
7cfc4ac3
AGS		 2419 * Use random operation channel from (1, 6, 11) if no other
2420 * preference is indicated.
b22128ef 2421 */
b7412dab 2422 os_get_random((u8 *) &r, sizeof(r));
7cfc4ac3
AGS		 2423 p2p.op_channel = 1 + (r % 3) * 5;
2424 p2p.cfg_op_channel = 0;
2425 wpa_printf(MSG_DEBUG, "P2P: Random operating channel: "
2426 "%d:%d", p2p.op_reg_class, p2p.op_channel);
b22128ef 2427 }
b22128ef
JM		 2428 if (wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
2429 os_memcpy(p2p.country, wpa_s->conf->country, 2);
2430 p2p.country[2] = 0x04;
2431 } else
aaca6505 2432 os_memcpy(p2p.country, "XX\x04", 3);
b22128ef 2433
ac8d1011 2434 if (wpas_p2p_setup_channels(wpa_s, &p2p.channels)) {
b22128ef
JM		 2435 wpa_printf(MSG_ERROR, "P2P: Failed to configure supported "
2436 "channel list");
2437 return -1;
2438 }
2439
2f646b6e
JB		 2440 os_memcpy(p2p.pri_dev_type, wpa_s->conf->device_type,
2441 WPS_DEV_TYPE_LEN);
b22128ef 2442
2f646b6e
JB		 2443 p2p.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
2444 os_memcpy(p2p.sec_dev_type, wpa_s->conf->sec_device_type,
2445 p2p.num_sec_dev_types * WPS_DEV_TYPE_LEN);
b22128ef
JM		 2446
2447 p2p.concurrent_operations = !!(wpa_s->drv_flags &
2448 WPA_DRIVER_FLAGS_P2P_CONCURRENT);
2449
de979d8f 2450 p2p.max_peers = 100;
b22128ef
JM		 2451
2452 if (wpa_s->conf->p2p_ssid_postfix) {
2453 p2p.ssid_postfix_len =
2454 os_strlen(wpa_s->conf->p2p_ssid_postfix);
2455 if (p2p.ssid_postfix_len > sizeof(p2p.ssid_postfix))
2456 p2p.ssid_postfix_len = sizeof(p2p.ssid_postfix);
2457 os_memcpy(p2p.ssid_postfix, wpa_s->conf->p2p_ssid_postfix,
2458 p2p.ssid_postfix_len);
2459 }
2460
0f66abd2
SS		 2461 p2p.p2p_intra_bss = wpa_s->conf->p2p_intra_bss;
2462
b22128ef
JM		 2463 global->p2p = p2p_init(&p2p);
2464 if (global->p2p == NULL)
2465 return -1;
2466
f95cac27
JMB		 2467 for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) {
2468 if (wpa_s->conf->wps_vendor_ext[i] == NULL)
2469 continue;
2470 p2p_add_wps_vendor_extension(
2471 global->p2p, wpa_s->conf->wps_vendor_ext[i]);
2472 }
2473
b22128ef
JM		 2474 return 0;
2475}
2476
2477
2478/**
2479 * wpas_p2p_deinit - Deinitialize per-interface P2P data
2480 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2481 *
2482 * This function deinitialize per-interface P2P data.
2483 */
2484void wpas_p2p_deinit(struct wpa_supplicant *wpa_s)
2485{
2486 if (wpa_s->driver && wpa_s->drv_priv)
2487 wpa_drv_probe_req_report(wpa_s, 0);
ec437d9e
JJ		 2488
2489 if (wpa_s->go_params) {
2490 /* Clear any stored provisioning info */
2491 p2p_clear_provisioning_info(
2492 wpa_s->global->p2p,
10531d21 2493 wpa_s->go_params->peer_device_addr);
ec437d9e
JJ		 2494 }
2495
b22128ef
JM		 2496 os_free(wpa_s->go_params);
2497 wpa_s->go_params = NULL;
b22128ef 2498 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
ef922c4a 2499 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
f63b8542 2500 eloop_cancel_timeout(wpas_p2p_pd_before_join_timeout, wpa_s, NULL);
b22128ef
JM		 2501 wpa_s->p2p_long_listen = 0;
2502 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
3071e181 2503 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
b22128ef
JM		 2504 wpas_p2p_remove_pending_group_interface(wpa_s);
2505
2506 /* TODO: remove group interface from the driver if this wpa_s instance
2507 * is on top of a P2P group interface */
2508}
2509
2510
2511/**
2512 * wpas_p2p_deinit_global - Deinitialize global P2P module
2513 * @global: Pointer to global data from wpa_supplicant_init()
2514 *
2515 * This function deinitializes the global (per device) P2P module.
2516 */
2517void wpas_p2p_deinit_global(struct wpa_global *global)
2518{
2519 struct wpa_supplicant *wpa_s, *tmp;
b22128ef
JM		 2520
2521 if (global->p2p == NULL)
2522 return;
2523
2524 /* Remove remaining P2P group interfaces */
2525 wpa_s = global->ifaces;
2a43101e
JM		 2526 if (wpa_s)
2527 wpas_p2p_service_flush(wpa_s);
b22128ef
JM		 2528 while (wpa_s && wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE)
2529 wpa_s = wpa_s->next;
2530 while (wpa_s) {
b22128ef
JM		 2531 tmp = global->ifaces;
2532 while (tmp &&
2533 (tmp == wpa_s ||
2534 tmp->p2p_group_interface == NOT_P2P_GROUP_INTERFACE)) {
2535 tmp = tmp->next;
2536 }
2537 if (tmp == NULL)
2538 break;
103b8f4d
NS		 2539 /* Disconnect from the P2P group and deinit the interface */
2540 wpas_p2p_disconnect(tmp);
b22128ef
JM		 2541 }
2542
743ef799
JM		 2543 /*
2544 * Deinit GO data on any possibly remaining interface (if main
2545 * interface is used as GO).
2546 */
2547 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2548 if (wpa_s->ap_iface)
2549 wpas_p2p_group_deinit(wpa_s);
2550 }
2551
b22128ef
JM		 2552 p2p_deinit(global->p2p);
2553 global->p2p = NULL;
2554}
2555
2556
2557static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s)
2558{
971e357f
JM		 2559 if (wpa_s->drv_flags &
2560 (WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE |
2561 WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P))
b22128ef
JM		 2562 return 1; /* P2P group requires a new interface in every case
2563 */
2564 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CONCURRENT))
2565 return 0; /* driver does not support concurrent operations */
2566 if (wpa_s->global->ifaces->next)
2567 return 1; /* more that one interface already in use */
2568 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2569 return 1; /* this interface is already in use */
2570 return 0;
2571}
2572
2573
2574static int wpas_p2p_start_go_neg(struct wpa_supplicant *wpa_s,
2575 const u8 *peer_addr,
2576 enum p2p_wps_method wps_method,
2577 int go_intent, const u8 *own_interface_addr,
23c84252
JM		 2578 unsigned int force_freq, int persistent_group,
2579 struct wpa_ssid *ssid)
b22128ef 2580{
acc247b2
JM		 2581 if (persistent_group && wpa_s->conf->persistent_reconnect)
2582 persistent_group = 2;
2583
3ac17eba
JM		 2584 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
2585 return wpa_drv_p2p_connect(wpa_s, peer_addr, wps_method,
2586 go_intent, own_interface_addr,
2587 force_freq, persistent_group);
2588 }
2589
b22128ef
JM		 2590 return p2p_connect(wpa_s->global->p2p, peer_addr, wps_method,
2591 go_intent, own_interface_addr, force_freq,
23c84252
JM		 2592 persistent_group, ssid ? ssid->ssid : NULL,
2593 ssid ? ssid->ssid_len : 0);
b22128ef
JM		 2594}
2595
2596
2597static int wpas_p2p_auth_go_neg(struct wpa_supplicant *wpa_s,
2598 const u8 *peer_addr,
2599 enum p2p_wps_method wps_method,
2600 int go_intent, const u8 *own_interface_addr,
23c84252
JM		 2601 unsigned int force_freq, int persistent_group,
2602 struct wpa_ssid *ssid)
b22128ef 2603{
acc247b2
JM		 2604 if (persistent_group && wpa_s->conf->persistent_reconnect)
2605 persistent_group = 2;
2606
3ac17eba
JM		 2607 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
2608 return -1;
2609
b22128ef
JM		 2610 return p2p_authorize(wpa_s->global->p2p, peer_addr, wps_method,
2611 go_intent, own_interface_addr, force_freq,
23c84252
JM		 2612 persistent_group, ssid ? ssid->ssid : NULL,
2613 ssid ? ssid->ssid_len : 0);
b22128ef
JM		 2614}
2615
2616
9b1ab931
JM		 2617static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant *wpa_s)
2618{
2619 wpa_s->p2p_join_scan_count++;
2620 wpa_printf(MSG_DEBUG, "P2P: Join scan attempt %d",
2621 wpa_s->p2p_join_scan_count);
2622 if (wpa_s->p2p_join_scan_count > P2P_MAX_JOIN_SCAN_ATTEMPTS) {
2623 wpa_printf(MSG_DEBUG, "P2P: Failed to find GO " MACSTR
2624 " for join operationg - stop join attempt",
2625 MAC2STR(wpa_s->pending_join_iface_addr));
2626 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
0918c4bf
JM		 2627 if (wpa_s->p2p_auto_pd) {
2628 wpa_s->p2p_auto_pd = 0;
2629 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
2630 " p2p_dev_addr=" MACSTR " status=N/A",
2631 MAC2STR(wpa_s->pending_join_dev_addr));
2632 return;
2633 }
9b1ab931
JM		 2634 wpa_msg(wpa_s->parent, MSG_INFO,
2635 P2P_EVENT_GROUP_FORMATION_FAILURE);
2636 }
2637}
2638
2639
f63b8542
JM		 2640static void wpas_p2p_pd_before_join_timeout(void *eloop_ctx, void *timeout_ctx)
2641{
2642 struct wpa_supplicant *wpa_s = eloop_ctx;
2643 if (!wpa_s->pending_pd_before_join)
2644 return;
2645 /*
2646 * Provision Discovery Response may have been lost - try to connect
2647 * anyway since we do not need any information from this PD.
2648 */
2649 wpa_printf(MSG_DEBUG, "P2P: PD timeout for join-existing-group - "
2650 "try to connect anyway");
2651 wpas_p2p_join_start(wpa_s);
2652}
2653
2654
4b156206
JM		 2655static int wpas_check_freq_conflict(struct wpa_supplicant *wpa_s, int freq)
2656{
2657 struct wpa_supplicant *iface;
2658 int shared_freq;
2659 u8 bssid[ETH_ALEN];
2660
2661 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)
2662 return 0;
2663
2664 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
2665 if (!wpas_p2p_create_iface(wpa_s) && iface == wpa_s)
2666 continue;
2667 if (iface->current_ssid == NULL || iface->assoc_freq == 0)
2668 continue;
86ae2e8a
JM		 2669 if (iface->current_ssid->mode == WPAS_MODE_AP ||
2670 iface->current_ssid->mode == WPAS_MODE_P2P_GO)
2671 shared_freq = iface->current_ssid->frequency;
2672 else if (wpa_drv_get_bssid(iface, bssid) == 0)
2673 shared_freq = iface->assoc_freq;
2674 else
2675 shared_freq = 0;
2676
2677 if (shared_freq && freq != shared_freq) {
2678 wpa_printf(MSG_DEBUG, "P2P: Frequency conflict - %s "
2679 "connected on %d MHz - new connection on "
2680 "%d MHz", iface->ifname, shared_freq, freq);
2681 return 1;
4b156206
JM		 2682 }
2683 }
2684
2685 shared_freq = wpa_drv_shared_freq(wpa_s);
2686 if (shared_freq > 0 && shared_freq != freq) {
2687 wpa_printf(MSG_DEBUG, "P2P: Frequency conflict - shared "
2688 "virtual interface connected on %d MHz - new "
2689 "connection on %d MHz", shared_freq, freq);
2690 return 1;
2691 }
2692
2693 return 0;
2694}
2695
2696
b31be3a0
JM		 2697static int wpas_p2p_peer_go(struct wpa_supplicant *wpa_s,
2698 const u8 *peer_dev_addr)
2699{
2700 struct wpa_bss *bss;
2701 int updated;
2702
2703 bss = wpa_bss_get_p2p_dev_addr(wpa_s, peer_dev_addr);
2704 if (bss == NULL)
2705 return 0;
2706 if (bss->last_update_idx < wpa_s->bss_update_idx) {
2707 wpa_printf(MSG_DEBUG, "P2P: Peer BSS entry not updated in the "
2708 "last scan");
2709 return 0;
2710 }
2711
2712 updated = os_time_before(&wpa_s->p2p_auto_started, &bss->last_update);
2713 wpa_printf(MSG_DEBUG, "P2P: Current BSS entry for peer updated at "
2714 "%ld.%06ld (%supdated in last scan)",
2715 bss->last_update.sec, bss->last_update.usec,
2716 updated ? "": "not ");
2717
2718 return updated;
2719}
2720
2721
ef922c4a
JM		 2722static void wpas_p2p_scan_res_join(struct wpa_supplicant *wpa_s,
2723 struct wpa_scan_results *scan_res)
b22128ef
JM		 2724{
2725 struct wpa_bss *bss;
f8d0131a 2726 int freq;
54960629 2727 u8 iface_addr[ETH_ALEN];
b22128ef 2728
ef922c4a 2729 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
b22128ef 2730
ef922c4a
JM		 2731 if (wpa_s->global->p2p_disabled)
2732 return;
b22128ef 2733
b31be3a0
JM		 2734 wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS) for %sjoin",
2735 scan_res ? (int) scan_res->num : -1,
2736 wpa_s->p2p_auto_join ? "auto_" : "");
ef922c4a
JM		 2737
2738 if (scan_res)
2739 wpas_p2p_scan_res_handler(wpa_s, scan_res);
b22128ef 2740
0918c4bf
JM		 2741 if (wpa_s->p2p_auto_pd) {
2742 int join = wpas_p2p_peer_go(wpa_s,
2743 wpa_s->pending_join_dev_addr);
2744 wpa_s->p2p_auto_pd = 0;
2745 wpa_s->pending_pd_use = join ? AUTO_PD_JOIN : AUTO_PD_GO_NEG;
2746 wpa_printf(MSG_DEBUG, "P2P: Auto PD with " MACSTR " join=%d",
2747 MAC2STR(wpa_s->pending_join_dev_addr), join);
2748 if (p2p_prov_disc_req(wpa_s->global->p2p,
2749 wpa_s->pending_join_dev_addr,
2750 wpa_s->pending_pd_config_methods, join,
2751 0) < 0) {
2752 wpa_s->p2p_auto_pd = 0;
2753 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
2754 " p2p_dev_addr=" MACSTR " status=N/A",
2755 MAC2STR(wpa_s->pending_join_dev_addr));
2756 }
2757 return;
2758 }
2759
b31be3a0
JM		 2760 if (wpa_s->p2p_auto_join) {
2761 if (!wpas_p2p_peer_go(wpa_s, wpa_s->pending_join_dev_addr)) {
2762 wpa_printf(MSG_DEBUG, "P2P: Peer was not found to be "
2763 "running a GO -> use GO Negotiation");
2764 wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr,
2765 wpa_s->p2p_pin, wpa_s->p2p_wps_method,
2766 wpa_s->p2p_persistent_group, 0, 0, 0,
2767 wpa_s->p2p_go_intent,
23c84252
JM		 2768 wpa_s->p2p_connect_freq,
2769 wpa_s->p2p_persistent_id);
b31be3a0
JM		 2770 return;
2771 }
2772
2773 wpa_printf(MSG_DEBUG, "P2P: Peer was found running GO -> try "
2774 "to join the group");
2775 }
2776
f8d0131a
JM		 2777 freq = p2p_get_oper_freq(wpa_s->global->p2p,
2778 wpa_s->pending_join_iface_addr);
54960629
AL		 2779 if (freq < 0 &&
2780 p2p_get_interface_addr(wpa_s->global->p2p,
2781 wpa_s->pending_join_dev_addr,
2782 iface_addr) == 0 &&
2783 os_memcmp(iface_addr, wpa_s->pending_join_dev_addr, ETH_ALEN) != 0)
2784 {
2785 wpa_printf(MSG_DEBUG, "P2P: Overwrite pending interface "
2786 "address for join from " MACSTR " to " MACSTR
2787 " based on newly discovered P2P peer entry",
2788 MAC2STR(wpa_s->pending_join_iface_addr),
2789 MAC2STR(iface_addr));
2790 os_memcpy(wpa_s->pending_join_iface_addr, iface_addr,
2791 ETH_ALEN);
2792
2793 freq = p2p_get_oper_freq(wpa_s->global->p2p,
2794 wpa_s->pending_join_iface_addr);
2795 }
f8d0131a
JM		 2796 if (freq >= 0) {
2797 wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency "
2798 "from P2P peer table: %d MHz", freq);
2799 }
ef922c4a 2800 bss = wpa_bss_get_bssid(wpa_s, wpa_s->pending_join_iface_addr);
b22128ef 2801 if (bss) {
f8d0131a
JM		 2802 freq = bss->freq;
2803 wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency "
2804 "from BSS table: %d MHz", freq);
2805 }
2806 if (freq > 0) {
b22128ef
JM		 2807 u16 method;
2808
4b156206
JM		 2809 if (wpas_check_freq_conflict(wpa_s, freq) > 0) {
2810 wpa_msg(wpa_s->parent, MSG_INFO,
2811 P2P_EVENT_GROUP_FORMATION_FAILURE
2812 "reason=FREQ_CONFLICT");
2813 return;
2814 }
2815
b22128ef
JM		 2816 wpa_printf(MSG_DEBUG, "P2P: Send Provision Discovery Request "
2817 "prior to joining an existing group (GO " MACSTR
2818 " freq=%u MHz)",
f8d0131a 2819 MAC2STR(wpa_s->pending_join_dev_addr), freq);
b22128ef
JM		 2820 wpa_s->pending_pd_before_join = 1;
2821
ef922c4a 2822 switch (wpa_s->pending_join_wps_method) {
b22128ef
JM		 2823 case WPS_PIN_DISPLAY:
2824 method = WPS_CONFIG_KEYPAD;
2825 break;
2826 case WPS_PIN_KEYPAD:
2827 method = WPS_CONFIG_DISPLAY;
2828 break;
2829 case WPS_PBC:
2830 method = WPS_CONFIG_PUSHBUTTON;
2831 break;
2832 default:
2833 method = 0;
2834 break;
2835 }
2836
ec437d9e
JJ		 2837 if ((p2p_get_provisioning_info(wpa_s->global->p2p,
2838 wpa_s->pending_join_dev_addr) ==
2839 method)) {
2840 /*
2841 * We have already performed provision discovery for
2842 * joining the group. Proceed directly to join
2843 * operation without duplicated provision discovery. */
e3a0706b 2844 wpa_printf(MSG_DEBUG, "P2P: Provision discovery "
ec437d9e
JJ		 2845 "with " MACSTR " already done - proceed to "
2846 "join",
2847 MAC2STR(wpa_s->pending_join_dev_addr));
2848 wpa_s->pending_pd_before_join = 0;
2849 goto start;
2850 }
2851
ef922c4a 2852 if (p2p_prov_disc_req(wpa_s->global->p2p,
1ef2f7ff
JM		 2853 wpa_s->pending_join_dev_addr, method, 1,
2854 freq) < 0) {
b22128ef
JM		 2855 wpa_printf(MSG_DEBUG, "P2P: Failed to send Provision "
2856 "Discovery Request before joining an "
2857 "existing group");
2858 wpa_s->pending_pd_before_join = 0;
2859 goto start;
2860 }
2861
2862 /*
2863 * Actual join operation will be started from the Action frame
f63b8542
JM		 2864 * TX status callback (if no ACK is received) or when the
2865 * Provision Discovery Response is received. Use a short
2866 * timeout as a backup mechanism should the Provision Discovery
2867 * Response be lost for any reason.
b22128ef 2868 */
f63b8542
JM		 2869 eloop_cancel_timeout(wpas_p2p_pd_before_join_timeout, wpa_s,
2870 NULL);
2871 eloop_register_timeout(2, 0, wpas_p2p_pd_before_join_timeout,
2872 wpa_s, NULL);
ef922c4a 2873 return;
b22128ef
JM		 2874 }
2875
9b1ab931
JM		 2876 wpa_printf(MSG_DEBUG, "P2P: Failed to find BSS/GO - try again later");
2877 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
2878 eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL);
2879 wpas_p2p_check_join_scan_limit(wpa_s);
2880 return;
b22128ef
JM		 2881
2882start:
2883 /* Start join operation immediately */
ef922c4a
JM		 2884 wpas_p2p_join_start(wpa_s);
2885}
2886
2887
2888static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx)
2889{
2890 struct wpa_supplicant *wpa_s = eloop_ctx;
2891 int ret;
2892 struct wpa_driver_scan_params params;
2893 struct wpabuf *wps_ie, *ies;
206e1f42 2894 size_t ielen;
ef922c4a
JM		 2895
2896 os_memset(&params, 0, sizeof(params));
2897
2898 /* P2P Wildcard SSID */
2899 params.num_ssids = 1;
2900 params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID;
2901 params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN;
2902
2903 wpa_s->wps->dev.p2p = 1;
360182ed
JM		 2904 wps_ie = wps_build_probe_req_ie(DEV_PW_DEFAULT, &wpa_s->wps->dev,
2905 wpa_s->wps->uuid, WPS_REQ_ENROLLEE, 0,
2906 NULL);
ef922c4a
JM		 2907 if (wps_ie == NULL) {
2908 wpas_p2p_scan_res_join(wpa_s, NULL);
2909 return;
2910 }
2911
206e1f42
JM		 2912 ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p);
2913 ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen);
ef922c4a
JM		 2914 if (ies == NULL) {
2915 wpabuf_free(wps_ie);
2916 wpas_p2p_scan_res_join(wpa_s, NULL);
2917 return;
2918 }
2919 wpabuf_put_buf(ies, wps_ie);
2920 wpabuf_free(wps_ie);
2921
6d92fa6e 2922 p2p_scan_ie(wpa_s->global->p2p, ies, NULL);
ef922c4a 2923
47185fc7 2924 params.p2p_probe = 1;
ef922c4a
JM		 2925 params.extra_ies = wpabuf_head(ies);
2926 params.extra_ies_len = wpabuf_len(ies);
2927
2928 /*
2929 * Run a scan to update BSS table and start Provision Discovery once
2930 * the new scan results become available.
2931 */
17fbb751 2932 ret = wpa_drv_scan(wpa_s, &params);
205e6474
JM		 2933 if (!ret)
2934 wpa_s->scan_res_handler = wpas_p2p_scan_res_join;
ef922c4a
JM		 2935
2936 wpabuf_free(ies);
2937
2938 if (ret) {
2939 wpa_printf(MSG_DEBUG, "P2P: Failed to start scan for join - "
2940 "try again later");
2941 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
2942 eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL);
9b1ab931 2943 wpas_p2p_check_join_scan_limit(wpa_s);
ef922c4a
JM		 2944 }
2945}
2946
2947
2948static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr,
b31be3a0
JM		 2949 const u8 *dev_addr, enum p2p_wps_method wps_method,
2950 int auto_join)
ef922c4a
JM		 2951{
2952 wpa_printf(MSG_DEBUG, "P2P: Request to join existing group (iface "
b31be3a0
JM		 2953 MACSTR " dev " MACSTR ")%s",
2954 MAC2STR(iface_addr), MAC2STR(dev_addr),
2955 auto_join ? " (auto_join)" : "");
ef922c4a 2956
0918c4bf 2957 wpa_s->p2p_auto_pd = 0;
b31be3a0 2958 wpa_s->p2p_auto_join = !!auto_join;
ef922c4a
JM		 2959 os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, ETH_ALEN);
2960 os_memcpy(wpa_s->pending_join_dev_addr, dev_addr, ETH_ALEN);
2961 wpa_s->pending_join_wps_method = wps_method;
2962
2963 /* Make sure we are not running find during connection establishment */
2964 wpas_p2p_stop_find(wpa_s);
2965
9b1ab931 2966 wpa_s->p2p_join_scan_count = 0;
ef922c4a
JM		 2967 wpas_p2p_join_scan(wpa_s, NULL);
2968 return 0;
b22128ef
JM		 2969}
2970
2971
2972static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s)
2973{
2974 struct wpa_supplicant *group;
2975 struct p2p_go_neg_results res;
8e64f258 2976 struct wpa_bss *bss;
b22128ef 2977
f63b8542 2978 eloop_cancel_timeout(wpas_p2p_pd_before_join_timeout, wpa_s, NULL);
b22128ef
JM		 2979 group = wpas_p2p_get_group_iface(wpa_s, 0, 0);
2980 if (group == NULL)
2981 return -1;
3c5126a4 2982 if (group != wpa_s) {
b22128ef
JM		 2983 os_memcpy(group->p2p_pin, wpa_s->p2p_pin,
2984 sizeof(group->p2p_pin));
3c5126a4
JM		 2985 group->p2p_wps_method = wpa_s->p2p_wps_method;
2986 }
b22128ef
JM		 2987
2988 group->p2p_in_provisioning = 1;
2989
2990 os_memset(&res, 0, sizeof(res));
2991 os_memcpy(res.peer_interface_addr, wpa_s->pending_join_iface_addr,
2992 ETH_ALEN);
2993 res.wps_method = wpa_s->pending_join_wps_method;
8e64f258
JM		 2994 bss = wpa_bss_get_bssid(wpa_s, wpa_s->pending_join_iface_addr);
2995 if (bss) {
2996 res.freq = bss->freq;
2997 res.ssid_len = bss->ssid_len;
2998 os_memcpy(res.ssid, bss->ssid, bss->ssid_len);
2999 }
3000
e91829f9
JM		 3001 if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
3002 wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel prior to "
3003 "starting client");
3004 wpa_drv_cancel_remain_on_channel(wpa_s);
3005 wpa_s->off_channel_freq = 0;
3006 wpa_s->roc_waiting_drv_freq = 0;
3007 }
b22128ef
JM		 3008 wpas_start_wps_enrollee(group, &res);
3009
3094d483
JM		 3010 /*
3011 * Allow a longer timeout for join-a-running-group than normal 15
3012 * second group formation timeout since the GO may not have authorized
3013 * our connection yet.
3014 */
3015 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
3016 eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout,
3017 wpa_s, NULL);
3018
b22128ef
JM		 3019 return 0;
3020}
3021
3022
3023/**
3024 * wpas_p2p_connect - Request P2P Group Formation to be started
3025 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3026 * @peer_addr: Address of the peer P2P Device
3027 * @pin: PIN to use during provisioning or %NULL to indicate PBC mode
3028 * @persistent_group: Whether to create a persistent group
b31be3a0 3029 * @auto_join: Whether to select join vs. GO Negotiation automatically
b22128ef
JM		 3030 * @join: Whether to join an existing group (as a client) instead of starting
3031 * Group Owner negotiation; @peer_addr is BSSID in that case
3032 * @auth: Whether to only authorize the connection instead of doing that and
3033 * initiating Group Owner negotiation
3034 * @go_intent: GO Intent or -1 to use default
3035 * @freq: Frequency for the group or 0 for auto-selection
23c84252
JM		 3036 * @persistent_id: Persistent group credentials to use for forcing GO
3037 * parameters or -1 to generate new values (SSID/passphrase)
d054a462
JM		 3038 * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified
3039 * failure, -2 on failure due to channel not currently available,
3040 * -3 if forced channel is not supported
b22128ef
JM		 3041 */
3042int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
3043 const char *pin, enum p2p_wps_method wps_method,
b31be3a0 3044 int persistent_group, int auto_join, int join, int auth,
23c84252 3045 int go_intent, int freq, int persistent_id)
b22128ef 3046{
d054a462 3047 int force_freq = 0, oper_freq = 0;
b22128ef
JM		 3048 u8 bssid[ETH_ALEN];
3049 int ret = 0;
3050 enum wpa_driver_if_type iftype;
6cad95db 3051 const u8 *if_addr;
23c84252 3052 struct wpa_ssid *ssid = NULL;
b22128ef 3053
9526fd29
JM		 3054 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
3055 return -1;
3056
23c84252
JM		 3057 if (persistent_id >= 0) {
3058 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3059 if (ssid == NULL || ssid->disabled != 2 ||
3060 ssid->mode != WPAS_MODE_P2P_GO)
3061 return -1;
3062 }
3063
b22128ef
JM		 3064 if (go_intent < 0)
3065 go_intent = wpa_s->conf->p2p_go_intent;
3066
3067 if (!auth)
3068 wpa_s->p2p_long_listen = 0;
3069
3c5126a4 3070 wpa_s->p2p_wps_method = wps_method;
b31be3a0 3071 wpa_s->p2p_persistent_group = !!persistent_group;
23c84252 3072 wpa_s->p2p_persistent_id = persistent_id;
b31be3a0
JM		 3073 wpa_s->p2p_go_intent = go_intent;
3074 wpa_s->p2p_connect_freq = freq;
3c5126a4 3075
b22128ef
JM		 3076 if (pin)
3077 os_strlcpy(wpa_s->p2p_pin, pin, sizeof(wpa_s->p2p_pin));
3078 else if (wps_method == WPS_PIN_DISPLAY) {
3079 ret = wps_generate_pin();
3080 os_snprintf(wpa_s->p2p_pin, sizeof(wpa_s->p2p_pin), "%08d",
3081 ret);
3082 wpa_printf(MSG_DEBUG, "P2P: Randomly generated PIN: %s",
3083 wpa_s->p2p_pin);
3084 } else
3085 wpa_s->p2p_pin[0] = '\0';
3086
b31be3a0 3087 if (join || auto_join) {
4147a2cc 3088 u8 iface_addr[ETH_ALEN], dev_addr[ETH_ALEN];
108def93
JM		 3089 if (auth) {
3090 wpa_printf(MSG_DEBUG, "P2P: Authorize invitation to "
3091 "connect a running group from " MACSTR,
3092 MAC2STR(peer_addr));
3093 os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN);
3094 return ret;
3095 }
4147a2cc 3096 os_memcpy(dev_addr, peer_addr, ETH_ALEN);
b22128ef 3097 if (p2p_get_interface_addr(wpa_s->global->p2p, peer_addr,
4147a2cc 3098 iface_addr) < 0) {
b22128ef 3099 os_memcpy(iface_addr, peer_addr, ETH_ALEN);
4147a2cc
JM		 3100 p2p_get_dev_addr(wpa_s->global->p2p, peer_addr,
3101 dev_addr);
3102 }
b31be3a0
JM		 3103 if (auto_join) {
3104 os_get_time(&wpa_s->p2p_auto_started);
3105 wpa_printf(MSG_DEBUG, "P2P: Auto join started at "
3106 "%ld.%06ld",
3107 wpa_s->p2p_auto_started.sec,
3108 wpa_s->p2p_auto_started.usec);
3109 }
3110 if (wpas_p2p_join(wpa_s, iface_addr, dev_addr, wps_method,
3111 auto_join) < 0)
b22128ef
JM		 3112 return -1;
3113 return ret;
3114 }
3115
d054a462
JM		 3116 if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
3117 wpa_s->assoc_freq)
3118 oper_freq = wpa_s->assoc_freq;
b22128ef 3119 else {
d054a462
JM		 3120 oper_freq = wpa_drv_shared_freq(wpa_s);
3121 if (oper_freq < 0)
3122 oper_freq = 0;
b22128ef
JM		 3123 }
3124
d054a462
JM		 3125 if (freq > 0) {
3126 if (!p2p_supported_freq(wpa_s->global->p2p, freq)) {
3127 wpa_printf(MSG_DEBUG, "P2P: The forced channel "
3128 "(%u MHz) is not supported for P2P uses",
3129 freq);
3130 return -3;
3131 }
3132
3133 if (oper_freq > 0 && freq != oper_freq &&
3134 !(wpa_s->drv_flags &
3135 WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) {
3136 wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group "
3137 "on %u MHz while connected on another "
3138 "channel (%u MHz)", freq, oper_freq);
3139 return -2;
3140 }
3141 wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the "
3142 "requested channel (%u MHz)", freq);
3143 force_freq = freq;
3144 } else if (oper_freq > 0 &&
3145 !p2p_supported_freq(wpa_s->global->p2p, oper_freq)) {
3146 if (!(wpa_s->drv_flags &
3147 WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) {
3148 wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group "
3149 "while connected on non-P2P supported "
3150 "channel (%u MHz)", oper_freq);
3151 return -2;
3152 }
3153 wpa_printf(MSG_DEBUG, "P2P: Current operating channel "
3154 "(%u MHz) not available for P2P - try to use "
3155 "another channel", oper_freq);
3156 force_freq = 0;
3157 } else if (oper_freq > 0) {
b22128ef
JM		 3158 wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the "
3159 "channel we are already using (%u MHz) on another "
d054a462
JM		 3160 "interface", oper_freq);
3161 force_freq = oper_freq;
b22128ef
JM		 3162 }
3163
3164 wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
3165
6cad95db
JB		 3166 if (wpa_s->create_p2p_iface) {
3167 /* Prepare to add a new interface for the group */
3168 iftype = WPA_IF_P2P_GROUP;
3169 if (go_intent == 15)
3170 iftype = WPA_IF_P2P_GO;
3171 if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) {
3172 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
3173 "interface for the group");
b22128ef 3174 return -1;
6cad95db 3175 }
b22128ef 3176
6cad95db
JB		 3177 if_addr = wpa_s->pending_interface_addr;
3178 } else
3179 if_addr = wpa_s->own_addr;
b22128ef
JM		 3180
3181 if (auth) {
3182 if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method,
6cad95db 3183 go_intent, if_addr,
23c84252
JM		 3184 force_freq, persistent_group, ssid) <
3185 0)
b22128ef
JM		 3186 return -1;
3187 return ret;
3188 }
6cad95db
JB		 3189
3190 if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method,
3191 go_intent, if_addr, force_freq,
23c84252 3192 persistent_group, ssid) < 0) {
6cad95db
JB		 3193 if (wpa_s->create_p2p_iface)
3194 wpas_p2p_remove_pending_group_interface(wpa_s);
b22128ef
JM		 3195 return -1;
3196 }
3197 return ret;
3198}
3199
3200
3201/**
3202 * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start
3203 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3204 * @freq: Frequency of the channel in MHz
3205 * @duration: Duration of the stay on the channel in milliseconds
3206 *
3207 * This callback is called when the driver indicates that it has started the
3208 * requested remain-on-channel duration.
3209 */
3210void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
3211 unsigned int freq, unsigned int duration)
3212{
9526fd29
JM		 3213 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
3214 return;
b22128ef
JM		 3215 if (wpa_s->off_channel_freq == wpa_s->pending_listen_freq) {
3216 p2p_listen_cb(wpa_s->global->p2p, wpa_s->pending_listen_freq,
3217 wpa_s->pending_listen_duration);
3218 wpa_s->pending_listen_freq = 0;
3219 }
3220}
3221
3222
3223static int wpas_p2p_listen_start(struct wpa_supplicant *wpa_s,
3224 unsigned int timeout)
3225{
3226 /* Limit maximum Listen state time based on driver limitation. */
3227 if (timeout > wpa_s->max_remain_on_chan)
3228 timeout = wpa_s->max_remain_on_chan;
3229
3ac17eba
JM		 3230 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
3231 return wpa_drv_p2p_listen(wpa_s, timeout);
3232
b22128ef
JM		 3233 return p2p_listen(wpa_s->global->p2p, timeout);
3234}
3235
3236
3237/**
3238 * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout
3239 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3240 * @freq: Frequency of the channel in MHz
3241 *
3242 * This callback is called when the driver indicates that a remain-on-channel
3243 * operation has been completed, i.e., the duration on the requested channel
3244 * has timed out.
3245 */
3246void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
3247 unsigned int freq)
3248{
1cc3a29d 3249 wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel callback "
11fb02be 3250 "(p2p_long_listen=%d ms pending_action_tx=%p)",
1cc3a29d 3251 wpa_s->p2p_long_listen, wpa_s->pending_action_tx);
9526fd29
JM		 3252 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
3253 return;
b22128ef
JM		 3254 if (p2p_listen_end(wpa_s->global->p2p, freq) > 0)
3255 return; /* P2P module started a new operation */
3256 if (wpa_s->pending_action_tx)
3257 return;
3258 if (wpa_s->p2p_long_listen > 0)
11fb02be 3259 wpa_s->p2p_long_listen -= wpa_s->max_remain_on_chan;
b22128ef
JM		 3260 if (wpa_s->p2p_long_listen > 0) {
3261 wpa_printf(MSG_DEBUG, "P2P: Continuing long Listen state");
11fb02be 3262 wpas_p2p_listen_start(wpa_s, wpa_s->p2p_long_listen);
b22128ef
JM		 3263 }
3264}
3265
3266
3267/**
3268 * wpas_p2p_group_remove - Remove a P2P group
3269 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3270 * @ifname: Network interface name of the group interface or "*" to remove all
3271 * groups
3272 * Returns: 0 on success, -1 on failure
3273 *
3274 * This function is used to remove a P2P group. This can be used to disconnect
3275 * from a group in which the local end is a P2P Client or to end a P2P Group in
3276 * case the local end is the Group Owner. If a virtual network interface was
3277 * created for this group, that interface will be removed. Otherwise, only the
3278 * configured P2P group network will be removed from the interface.
3279 */
3280int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname)
3281{
3282 struct wpa_global *global = wpa_s->global;
3283
3284 if (os_strcmp(ifname, "*") == 0) {
3285 struct wpa_supplicant *prev;
3286 wpa_s = global->ifaces;
3287 while (wpa_s) {
3288 prev = wpa_s;
3289 wpa_s = wpa_s->next;
3103f345 3290 wpas_p2p_disconnect(prev);
b22128ef
JM		 3291 }
3292 return 0;
3293 }
3294
3295 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3296 if (os_strcmp(wpa_s->ifname, ifname) == 0)
3297 break;
3298 }
3299
3103f345 3300 return wpas_p2p_disconnect(wpa_s);
b22128ef
JM		 3301}
3302
3303
b8349523
NKG		 3304static int wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s,
3305 struct p2p_go_neg_results *params,
3306 int freq)
b22128ef
JM		 3307{
3308 u8 bssid[ETH_ALEN];
3309 int res;
3310
3311 os_memset(params, 0, sizeof(*params));
3312 params->role_go = 1;
7cfc4ac3
AGS		 3313 if (freq) {
3314 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on forced "
3315 "frequency %d MHz", freq);
b22128ef 3316 params->freq = freq;
7cfc4ac3
AGS		 3317 } else if (wpa_s->conf->p2p_oper_reg_class == 81 &&
3318 wpa_s->conf->p2p_oper_channel >= 1 &&
3319 wpa_s->conf->p2p_oper_channel <= 11) {
b22128ef 3320 params->freq = 2407 + 5 * wpa_s->conf->p2p_oper_channel;
7cfc4ac3
AGS		 3321 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured "
3322 "frequency %d MHz", params->freq);
3323 } else if (wpa_s->conf->p2p_oper_reg_class == 115 ||
64f99265 3324 wpa_s->conf->p2p_oper_reg_class == 124) {
b22128ef 3325 params->freq = 5000 + 5 * wpa_s->conf->p2p_oper_channel;
7cfc4ac3
AGS		 3326 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured "
3327 "frequency %d MHz", params->freq);
3328 } else if (wpa_s->conf->p2p_oper_channel == 0 &&
3329 wpa_s->best_overall_freq > 0 &&
3330 p2p_supported_freq(wpa_s->global->p2p,
3331 wpa_s->best_overall_freq)) {
3332 params->freq = wpa_s->best_overall_freq;
3333 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best overall "
3334 "channel %d MHz", params->freq);
3335 } else if (wpa_s->conf->p2p_oper_channel == 0 &&
3336 wpa_s->best_24_freq > 0 &&
3337 p2p_supported_freq(wpa_s->global->p2p,
3338 wpa_s->best_24_freq)) {
3339 params->freq = wpa_s->best_24_freq;
3340 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 2.4 GHz "
3341 "channel %d MHz", params->freq);
3342 } else if (wpa_s->conf->p2p_oper_channel == 0 &&
3343 wpa_s->best_5_freq > 0 &&
3344 p2p_supported_freq(wpa_s->global->p2p,
3345 wpa_s->best_5_freq)) {
3346 params->freq = wpa_s->best_5_freq;
3347 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 5 GHz "
3348 "channel %d MHz", params->freq);
3349 } else {
6f3bc72b
JM		 3350 int chan;
3351 for (chan = 0; chan < 11; chan++) {
3352 params->freq = 2412 + chan * 5;
3353 if (!wpas_p2p_disallowed_freq(wpa_s->global,
3354 params->freq))
3355 break;
3356 }
3357 if (chan == 11) {
3358 wpa_printf(MSG_DEBUG, "P2P: No 2.4 GHz channel "
3359 "allowed");
3360 return -1;
3361 }
7cfc4ac3
AGS		 3362 wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz (no preference "
3363 "known)", params->freq);
3364 }
3365
b22128ef
JM		 3366 if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
3367 wpa_s->assoc_freq && !freq) {
3368 wpa_printf(MSG_DEBUG, "P2P: Force GO on the channel we are "
3369 "already using");
3370 params->freq = wpa_s->assoc_freq;
3371 }
3372
3373 res = wpa_drv_shared_freq(wpa_s);
3374 if (res > 0 && !freq) {
3375 wpa_printf(MSG_DEBUG, "P2P: Force GO on the channel we are "
3376 "already using on a shared interface");
3377 params->freq = res;
b8349523
NKG		 3378 } else if (res > 0 && freq != res &&
3379 !(wpa_s->drv_flags &
3380 WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) {
3381 wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group on %u MHz "
3382 "while connected on another channel (%u MHz)",
3383 freq, res);
3384 return -1;
b22128ef 3385 }
b8349523
NKG		 3386
3387 return 0;
b22128ef
JM		 3388}
3389
3390
3391static struct wpa_supplicant *
3392wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
3393 int go)
3394{
3395 struct wpa_supplicant *group_wpa_s;
3396
3397 if (!wpas_p2p_create_iface(wpa_s))
3398 return wpa_s;
3399
3400 if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO :
3401 WPA_IF_P2P_CLIENT) < 0)
3402 return NULL;
3403 group_wpa_s = wpas_p2p_init_group_interface(wpa_s, go);
3404 if (group_wpa_s == NULL) {
3405 wpas_p2p_remove_pending_group_interface(wpa_s);
3406 return NULL;
3407 }
3408
3409 return group_wpa_s;
3410}
3411
3412
3413/**
3414 * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner
3415 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3416 * @persistent_group: Whether to create a persistent group
3417 * @freq: Frequency for the group or 0 to indicate no hardcoding
3418 * Returns: 0 on success, -1 on failure
3419 *
3420 * This function creates a new P2P group with the local end as the Group Owner,
3421 * i.e., without using Group Owner Negotiation.
3422 */
3423int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group,
3424 int freq)
3425{
3426 struct p2p_go_neg_results params;
7cfc4ac3
AGS		 3427 unsigned int r;
3428
9526fd29
JM		 3429 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
3430 return -1;
3431
2d4f15d6
JJ		 3432 /* Make sure we are not running find during connection establishment */
3433 wpa_printf(MSG_DEBUG, "P2P: Stop any on-going P2P FIND");
3434 wpas_p2p_stop_find(wpa_s);
3435
7cfc4ac3
AGS		 3436 if (freq == 2) {
3437 wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 2.4 GHz "
3438 "band");
3439 if (wpa_s->best_24_freq > 0 &&
3440 p2p_supported_freq(wpa_s->global->p2p,
3441 wpa_s->best_24_freq)) {
3442 freq = wpa_s->best_24_freq;
3443 wpa_printf(MSG_DEBUG, "P2P: Use best 2.4 GHz band "
3444 "channel: %d MHz", freq);
3445 } else {
3446 os_get_random((u8 *) &r, sizeof(r));
3447 freq = 2412 + (r % 3) * 25;
3448 wpa_printf(MSG_DEBUG, "P2P: Use random 2.4 GHz band "
3449 "channel: %d MHz", freq);
3450 }
3451 }
3452
3453 if (freq == 5) {
3454 wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 5 GHz "
3455 "band");
3456 if (wpa_s->best_5_freq > 0 &&
3457 p2p_supported_freq(wpa_s->global->p2p,
3458 wpa_s->best_5_freq)) {
3459 freq = wpa_s->best_5_freq;
3460 wpa_printf(MSG_DEBUG, "P2P: Use best 5 GHz band "
3461 "channel: %d MHz", freq);
3462 } else {
3463 os_get_random((u8 *) &r, sizeof(r));
3464 freq = 5180 + (r % 4) * 20;
3465 if (!p2p_supported_freq(wpa_s->global->p2p, freq)) {
3466 wpa_printf(MSG_DEBUG, "P2P: Could not select "
3467 "5 GHz channel for P2P group");
3468 return -1;
3469 }
3470 wpa_printf(MSG_DEBUG, "P2P: Use random 5 GHz band "
3471 "channel: %d MHz", freq);
3472 }
3473 }
b22128ef 3474
4ae4650b
JM		 3475 if (freq > 0 && !p2p_supported_freq(wpa_s->global->p2p, freq)) {
3476 wpa_printf(MSG_DEBUG, "P2P: The forced channel for GO "
3477 "(%u MHz) is not supported for P2P uses",
3478 freq);
3479 return -1;
3480 }
3481
b8349523
NKG		 3482 if (wpas_p2p_init_go_params(wpa_s, &params, freq))
3483 return -1;
f4329aa2
JM		 3484 if (params.freq &&
3485 !p2p_supported_freq(wpa_s->global->p2p, params.freq)) {
3486 wpa_printf(MSG_DEBUG, "P2P: The selected channel for GO "
3487 "(%u MHz) is not supported for P2P uses",
3488 params.freq);
3489 return -1;
3490 }
b22128ef
JM		 3491 p2p_go_params(wpa_s->global->p2p, &params);
3492 params.persistent_group = persistent_group;
3493
3494 wpa_s = wpas_p2p_get_group_iface(wpa_s, 0, 1);
3495 if (wpa_s == NULL)
3496 return -1;
3497 wpas_start_wps_go(wpa_s, &params, 0);
3498
3499 return 0;
3500}
3501
3502
3503static int wpas_start_p2p_client(struct wpa_supplicant *wpa_s,
3504 struct wpa_ssid *params, int addr_allocated)
3505{
3506 struct wpa_ssid *ssid;
3507
3508 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 0);
3509 if (wpa_s == NULL)
3510 return -1;
3511
3512 wpa_supplicant_ap_deinit(wpa_s);
3513
3514 ssid = wpa_config_add_network(wpa_s->conf);
3515 if (ssid == NULL)
3516 return -1;
b22128ef
JM		 3517 wpa_config_set_network_defaults(ssid);
3518 ssid->temporary = 1;
3519 ssid->proto = WPA_PROTO_RSN;
3520 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
3521 ssid->group_cipher = WPA_CIPHER_CCMP;
3522 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
3523 ssid->ssid = os_malloc(params->ssid_len);
3524 if (ssid->ssid == NULL) {
b22128ef
JM		 3525 wpa_config_remove_network(wpa_s->conf, ssid->id);
3526 return -1;
3527 }
3528 os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
3529 ssid->ssid_len = params->ssid_len;
3530 ssid->p2p_group = 1;
d1c8ac88 3531 ssid->export_keys = 1;
b22128ef
JM		 3532 if (params->psk_set) {
3533 os_memcpy(ssid->psk, params->psk, 32);
3534 ssid->psk_set = 1;
3535 }
3536 if (params->passphrase)
3537 ssid->passphrase = os_strdup(params->passphrase);
3538
3539 wpa_supplicant_select_network(wpa_s, ssid);
3540
3541 wpa_s->show_group_started = 1;
3542
3543 return 0;
3544}
3545
3546
3547int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s,
3548 struct wpa_ssid *ssid, int addr_allocated,
3549 int freq)
3550{
3551 struct p2p_go_neg_results params;
6c0da49f 3552 int go = 0;
b22128ef
JM		 3553
3554 if (ssid->disabled != 2 || ssid->ssid == NULL)
3555 return -1;
3556
6c0da49f
JM		 3557 if (wpas_get_p2p_group(wpa_s, ssid->ssid, ssid->ssid_len, &go) &&
3558 go == (ssid->mode == WPAS_MODE_P2P_GO)) {
3559 wpa_printf(MSG_DEBUG, "P2P: Requested persistent group is "
3560 "already running");
3561 return 0;
3562 }
3563
9d39057c
JM		 3564 /* Make sure we are not running find during connection establishment */
3565 wpas_p2p_stop_find(wpa_s);
b22128ef
JM		 3566
3567 if (ssid->mode == WPAS_MODE_INFRA)
3568 return wpas_start_p2p_client(wpa_s, ssid, addr_allocated);
3569
3570 if (ssid->mode != WPAS_MODE_P2P_GO)
3571 return -1;
3572
b8349523
NKG		 3573 if (wpas_p2p_init_go_params(wpa_s, &params, freq))
3574 return -1;
b22128ef
JM		 3575
3576 params.role_go = 1;
3577 if (ssid->passphrase == NULL ||
3578 os_strlen(ssid->passphrase) >= sizeof(params.passphrase)) {
3579 wpa_printf(MSG_DEBUG, "P2P: Invalid passphrase in persistent "
3580 "group");
3581 return -1;
3582 }
3583 os_strlcpy(params.passphrase, ssid->passphrase,
3584 sizeof(params.passphrase));
3585 os_memcpy(params.ssid, ssid->ssid, ssid->ssid_len);
3586 params.ssid_len = ssid->ssid_len;
3587 params.persistent_group = 1;
3588
3589 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 1);
3590 if (wpa_s == NULL)
3591 return -1;
3592
3593 wpas_start_wps_go(wpa_s, &params, 0);
3594
3595 return 0;
3596}
3597
3598
3599static void wpas_p2p_ie_update(void *ctx, struct wpabuf *beacon_ies,
3600 struct wpabuf *proberesp_ies)
3601{
3602 struct wpa_supplicant *wpa_s = ctx;
3603 if (wpa_s->ap_iface) {
3604 struct hostapd_data *hapd = wpa_s->ap_iface->bss[0];
adc33680
JM		 3605 if (!(hapd->conf->p2p & P2P_GROUP_OWNER)) {
3606 wpabuf_free(beacon_ies);
3607 wpabuf_free(proberesp_ies);
3608 return;
3609 }
b22128ef
JM		 3610 if (beacon_ies) {
3611 wpabuf_free(hapd->p2p_beacon_ie);
3612 hapd->p2p_beacon_ie = beacon_ies;
3613 }
3614 wpabuf_free(hapd->p2p_probe_resp_ie);
3615 hapd->p2p_probe_resp_ie = proberesp_ies;
3616 } else {
3617 wpabuf_free(beacon_ies);
3618 wpabuf_free(proberesp_ies);
3619 }
3620 wpa_supplicant_ap_update_beacon(wpa_s);
3621}
3622
3623
3071e181
JM		 3624static void wpas_p2p_idle_update(void *ctx, int idle)
3625{
3626 struct wpa_supplicant *wpa_s = ctx;
3627 if (!wpa_s->ap_iface)
3628 return;
3629 wpa_printf(MSG_DEBUG, "P2P: GO - group %sidle", idle ? "" : "not ");
3630 if (idle)
3631 wpas_p2p_set_group_idle_timeout(wpa_s);
3632 else
3633 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
3634}
3635
3636
b22128ef
JM		 3637struct p2p_group * wpas_p2p_group_init(struct wpa_supplicant *wpa_s,
3638 int persistent_group,
3639 int group_formation)
3640{
3641 struct p2p_group *group;
3642 struct p2p_group_config *cfg;
3643
3ac17eba
JM		 3644 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
3645 return NULL;
9526fd29
JM		 3646 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
3647 return NULL;
3ac17eba 3648
b22128ef
JM		 3649 cfg = os_zalloc(sizeof(*cfg));
3650 if (cfg == NULL)
3651 return NULL;
3652
acc247b2
JM		 3653 if (persistent_group && wpa_s->conf->persistent_reconnect)
3654 cfg->persistent_group = 2;
3655 else if (persistent_group)
3656 cfg->persistent_group = 1;
b22128ef 3657 os_memcpy(cfg->interface_addr, wpa_s->own_addr, ETH_ALEN);
3f4ce13f
JM		 3658 if (wpa_s->max_stations &&
3659 wpa_s->max_stations < wpa_s->conf->max_num_sta)
3660 cfg->max_clients = wpa_s->max_stations;
3661 else
3662 cfg->max_clients = wpa_s->conf->max_num_sta;
b22128ef
JM		 3663 cfg->cb_ctx = wpa_s;
3664 cfg->ie_update = wpas_p2p_ie_update;
3071e181 3665 cfg->idle_update = wpas_p2p_idle_update;
b22128ef
JM		 3666
3667 group = p2p_group_init(wpa_s->global->p2p, cfg);
3668 if (group == NULL)
3669 os_free(cfg);
3670 if (!group_formation)
3671 p2p_group_notif_formation_done(group);
3672 wpa_s->p2p_group = group;
3673 return group;
3674}
3675
3676
3677void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
3678 int registrar)
3679{
10531d21
JM		 3680 struct wpa_ssid *ssid = wpa_s->current_ssid;
3681
b22128ef
JM		 3682 if (!wpa_s->p2p_in_provisioning) {
3683 wpa_printf(MSG_DEBUG, "P2P: Ignore WPS success event - P2P "
3684 "provisioning not in progress");
3685 return;
3686 }
3687
10531d21
JM		 3688 if (ssid && ssid->mode == WPAS_MODE_INFRA) {
3689 u8 go_dev_addr[ETH_ALEN];
3690 os_memcpy(go_dev_addr, wpa_s->bssid, ETH_ALEN);
3691 wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid,
3692 ssid->ssid_len);
3693 /* Clear any stored provisioning info */
3694 p2p_clear_provisioning_info(wpa_s->global->p2p, go_dev_addr);
3695 }
ec437d9e 3696
b22128ef
JM		 3697 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->parent,
3698 NULL);
361cdf34
JM		 3699 if (ssid && ssid->mode == WPAS_MODE_INFRA) {
3700 /*
3701 * Use a separate timeout for initial data connection to
3702 * complete to allow the group to be removed automatically if
3703 * something goes wrong in this step before the P2P group idle
3704 * timeout mechanism is taken into use.
3705 */
3706 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0,
3707 wpas_p2p_group_formation_timeout,
3708 wpa_s, NULL);
3709 }
b22128ef
JM		 3710 if (wpa_s->global->p2p)
3711 p2p_wps_success_cb(wpa_s->global->p2p, peer_addr);
3ac17eba
JM		 3712 else if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
3713 wpa_drv_wps_success_cb(wpa_s, peer_addr);
b22128ef
JM		 3714 wpas_group_formation_completed(wpa_s, 1);
3715}
3716
3717
3734552f
JS		 3718void wpas_p2p_wps_failed(struct wpa_supplicant *wpa_s,
3719 struct wps_event_fail *fail)
3720{
3721 if (!wpa_s->p2p_in_provisioning) {
3722 wpa_printf(MSG_DEBUG, "P2P: Ignore WPS fail event - P2P "
3723 "provisioning not in progress");
3724 return;
3725 }
ec437d9e
JJ		 3726
3727 if (wpa_s->go_params) {
3728 p2p_clear_provisioning_info(
3729 wpa_s->global->p2p,
10531d21 3730 wpa_s->go_params->peer_device_addr);
ec437d9e
JJ		 3731 }
3732
3734552f
JS		 3733 wpas_notify_p2p_wps_failed(wpa_s, fail);
3734}
3735
3736
b22128ef 3737int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
0918c4bf
JM		 3738 const char *config_method,
3739 enum wpas_p2p_prov_disc_use use)
b22128ef
JM		 3740{
3741 u16 config_methods;
3742
0918c4bf 3743 wpa_s->pending_pd_use = NORMAL_PD;
8c5f7309 3744 if (os_strncmp(config_method, "display", 7) == 0)
b22128ef 3745 config_methods = WPS_CONFIG_DISPLAY;
8c5f7309 3746 else if (os_strncmp(config_method, "keypad", 6) == 0)
b22128ef 3747 config_methods = WPS_CONFIG_KEYPAD;
8c5f7309
JJ		 3748 else if (os_strncmp(config_method, "pbc", 3) == 0 ||
3749 os_strncmp(config_method, "pushbutton", 10) == 0)
b22128ef 3750 config_methods = WPS_CONFIG_PUSHBUTTON;
8c5f7309
JJ		 3751 else {
3752 wpa_printf(MSG_DEBUG, "P2P: Unknown config method");
b22128ef 3753 return -1;
8c5f7309 3754 }
b22128ef 3755
0918c4bf
JM		 3756 if (use == WPAS_P2P_PD_AUTO) {
3757 os_memcpy(wpa_s->pending_join_dev_addr, peer_addr, ETH_ALEN);
3758 wpa_s->pending_pd_config_methods = config_methods;
3759 wpa_s->p2p_auto_pd = 1;
3760 wpa_s->p2p_auto_join = 0;
3761 wpa_s->pending_pd_before_join = 0;
3762 wpas_p2p_stop_find(wpa_s);
3763 wpa_s->p2p_join_scan_count = 0;
3764 wpas_p2p_join_scan(wpa_s, NULL);
3765 return 0;
3766 }
3767
3ac17eba
JM		 3768 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
3769 return wpa_drv_p2p_prov_disc_req(wpa_s, peer_addr,
0918c4bf
JM		 3770 config_methods,
3771 use == WPAS_P2P_PD_FOR_JOIN);
3ac17eba
JM		 3772 }
3773
9526fd29 3774 if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled)
b22128ef
JM		 3775 return -1;
3776
3777 return p2p_prov_disc_req(wpa_s->global->p2p, peer_addr,
0918c4bf
JM		 3778 config_methods, use == WPAS_P2P_PD_FOR_JOIN,
3779 0);
b22128ef
JM		 3780}
3781
3782
3783int wpas_p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
3784 char *end)
3785{
3786 return p2p_scan_result_text(ies, ies_len, buf, end);
3787}
3788
3789
1cc3a29d
JM		 3790static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant *wpa_s)
3791{
3792 if (!wpa_s->pending_action_tx)
3793 return;
3794
3795 wpa_printf(MSG_DEBUG, "P2P: Drop pending Action TX due to new "
3796 "operation request");
3797 wpabuf_free(wpa_s->pending_action_tx);
3798 wpa_s->pending_action_tx = NULL;
3799}
3800
3801
b22128ef 3802int wpas_p2p_find(struct wpa_supplicant *wpa_s, unsigned int timeout,
046ef4aa 3803 enum p2p_discovery_type type,
6d92fa6e
JM		 3804 unsigned int num_req_dev_types, const u8 *req_dev_types,
3805 const u8 *dev_id)
b22128ef 3806{
1cc3a29d 3807 wpas_p2p_clear_pending_action_tx(wpa_s);
b22128ef
JM		 3808 wpa_s->p2p_long_listen = 0;
3809
3ac17eba
JM		 3810 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
3811 return wpa_drv_p2p_find(wpa_s, timeout, type);
3812
9526fd29
JM		 3813 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
3814 return -1;
3815
433cd2ce
JM		 3816 wpa_supplicant_cancel_sched_scan(wpa_s);
3817
046ef4aa 3818 return p2p_find(wpa_s->global->p2p, timeout, type,
6d92fa6e 3819 num_req_dev_types, req_dev_types, dev_id);
b22128ef
JM		 3820}
3821
3822
3823void wpas_p2p_stop_find(struct wpa_supplicant *wpa_s)
3824{
1cc3a29d 3825 wpas_p2p_clear_pending_action_tx(wpa_s);
b22128ef 3826 wpa_s->p2p_long_listen = 0;
9d39057c 3827 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
ef922c4a 3828 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
39185dfa 3829 wpa_s->p2p_cb_on_scan_complete = 0;
b22128ef 3830
3ac17eba
JM		 3831 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
3832 wpa_drv_p2p_stop_find(wpa_s);
3833 return;
3834 }
3835
9526fd29
JM		 3836 if (wpa_s->global->p2p)
3837 p2p_stop_find(wpa_s->global->p2p);
b22128ef
JM		 3838
3839 wpas_p2p_remove_pending_group_interface(wpa_s);
3840}
3841
3842
3843static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx)
3844{
3845 struct wpa_supplicant *wpa_s = eloop_ctx;
3846 wpa_s->p2p_long_listen = 0;
3847}
3848
3849
3850int wpas_p2p_listen(struct wpa_supplicant *wpa_s, unsigned int timeout)
3851{
3852 int res;
3853
9526fd29
JM		 3854 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
3855 return -1;
3856
433cd2ce 3857 wpa_supplicant_cancel_sched_scan(wpa_s);
1cc3a29d
JM		 3858 wpas_p2p_clear_pending_action_tx(wpa_s);
3859
b22128ef
JM		 3860 if (timeout == 0) {
3861 /*
3862 * This is a request for unlimited Listen state. However, at
3863 * least for now, this is mapped to a Listen state for one
3864 * hour.
3865 */
3866 timeout = 3600;
3867 }
3868 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
3869 wpa_s->p2p_long_listen = 0;
3870
2bb747e2
JM		 3871 /*
3872 * Stop previous find/listen operation to avoid trying to request a new
3873 * remain-on-channel operation while the driver is still running the
3874 * previous one.
3875 */
3876 if (wpa_s->global->p2p)
3877 p2p_stop_find(wpa_s->global->p2p);
3878
b22128ef
JM		 3879 res = wpas_p2p_listen_start(wpa_s, timeout * 1000);
3880 if (res == 0 && timeout * 1000 > wpa_s->max_remain_on_chan) {
11fb02be 3881 wpa_s->p2p_long_listen = timeout * 1000;
b22128ef
JM		 3882 eloop_register_timeout(timeout, 0,
3883 wpas_p2p_long_listen_timeout,
3884 wpa_s, NULL);
3885 }
3886
3887 return res;
3888}
3889
3890
4c08c0bd 3891int wpas_p2p_assoc_req_ie(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
b22128ef
JM		 3892 u8 *buf, size_t len, int p2p_group)
3893{
4c08c0bd
JM		 3894 struct wpabuf *p2p_ie;
3895 int ret;
3896
b22128ef
JM		 3897 if (wpa_s->global->p2p_disabled)
3898 return -1;
3899 if (wpa_s->global->p2p == NULL)
3900 return -1;
e1f1509b
JM		 3901 if (bss == NULL)
3902 return -1;
b22128ef 3903
4c08c0bd
JM		 3904 p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
3905 ret = p2p_assoc_req_ie(wpa_s->global->p2p, bss->bssid, buf, len,
3906 p2p_group, p2p_ie);
3907 wpabuf_free(p2p_ie);
3908
3909 return ret;
b22128ef
JM		 3910}
3911
3912
3913int wpas_p2p_probe_req_rx(struct wpa_supplicant *wpa_s, const u8 *addr,
04a85e44 3914 const u8 *dst, const u8 *bssid,
baf513d6 3915 const u8 *ie, size_t ie_len, int ssi_signal)
b22128ef
JM		 3916{
3917 if (wpa_s->global->p2p_disabled)
3918 return 0;
3919 if (wpa_s->global->p2p == NULL)
3920 return 0;
3921
2d43d37f
JB		 3922 switch (p2p_probe_req_rx(wpa_s->global->p2p, addr, dst, bssid,
3923 ie, ie_len)) {
3924 case P2P_PREQ_NOT_P2P:
3925 wpas_notify_preq(wpa_s, addr, dst, bssid, ie, ie_len,
3926 ssi_signal);
3927 /* fall through */
3928 case P2P_PREQ_MALFORMED:
3929 case P2P_PREQ_NOT_LISTEN:
3930 case P2P_PREQ_NOT_PROCESSED:
3931 default: /* make gcc happy */
3932 return 0;
3933 case P2P_PREQ_PROCESSED:
3934 return 1;
3935 }
b22128ef
JM		 3936}
3937
3938
3939void wpas_p2p_rx_action(struct wpa_supplicant *wpa_s, const u8 *da,
3940 const u8 *sa, const u8 *bssid,
3941 u8 category, const u8 *data, size_t len, int freq)
3942{
3943 if (wpa_s->global->p2p_disabled)
3944 return;
3945 if (wpa_s->global->p2p == NULL)
3946 return;
3947
3948 p2p_rx_action(wpa_s->global->p2p, da, sa, bssid, category, data, len,
3949 freq);
3950}
3951
3952
3953void wpas_p2p_scan_ie(struct wpa_supplicant *wpa_s, struct wpabuf *ies)
3954{
3955 if (wpa_s->global->p2p_disabled)
3956 return;
3957 if (wpa_s->global->p2p == NULL)
3958 return;
3959
6d92fa6e 3960 p2p_scan_ie(wpa_s->global->p2p, ies, NULL);
b22128ef
JM		 3961}
3962
3963
3964void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s)
3965{
3966 p2p_group_deinit(wpa_s->p2p_group);
3967 wpa_s->p2p_group = NULL;
a7fd39bb
JD		 3968
3969 wpa_s->ap_configured_cb = NULL;
3970 wpa_s->ap_configured_cb_ctx = NULL;
3971 wpa_s->ap_configured_cb_data = NULL;
3972 wpa_s->connect_without_scan = NULL;
b22128ef
JM		 3973}
3974
3975
3976int wpas_p2p_reject(struct wpa_supplicant *wpa_s, const u8 *addr)
3977{
3978 wpa_s->p2p_long_listen = 0;
3979
3ac17eba
JM		 3980 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
3981 return wpa_drv_p2p_reject(wpa_s, addr);
3982
9526fd29
JM		 3983 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
3984 return -1;
3985
b22128ef
JM		 3986 return p2p_reject(wpa_s->global->p2p, addr);
3987}
3988
3989
3990/* Invite to reinvoke a persistent group */
3991int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
3992 struct wpa_ssid *ssid, const u8 *go_dev_addr)
3993{
3994 enum p2p_invite_role role;
3995 u8 *bssid = NULL;
3996
3997 if (ssid->mode == WPAS_MODE_P2P_GO) {
3998 role = P2P_INVITE_ROLE_GO;
3999 if (peer_addr == NULL) {
4000 wpa_printf(MSG_DEBUG, "P2P: Missing peer "
4001 "address in invitation command");
4002 return -1;
4003 }
4004 if (wpas_p2p_create_iface(wpa_s)) {
4005 if (wpas_p2p_add_group_interface(wpa_s,
4006 WPA_IF_P2P_GO) < 0) {
4007 wpa_printf(MSG_ERROR, "P2P: Failed to "
4008 "allocate a new interface for the "
4009 "group");
4010 return -1;
4011 }
4012 bssid = wpa_s->pending_interface_addr;
4013 } else
4014 bssid = wpa_s->own_addr;
4015 } else {
4016 role = P2P_INVITE_ROLE_CLIENT;
4017 peer_addr = ssid->bssid;
4018 }
4019 wpa_s->pending_invite_ssid_id = ssid->id;
4020
3ac17eba
JM		 4021 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
4022 return wpa_drv_p2p_invite(wpa_s, peer_addr, role, bssid,
4023 ssid->ssid, ssid->ssid_len,
4024 go_dev_addr, 1);
4025
9526fd29
JM		 4026 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
4027 return -1;
4028
b22128ef
JM		 4029 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
4030 ssid->ssid, ssid->ssid_len, 0, go_dev_addr, 1);
4031}
4032
4033
4034/* Invite to join an active group */
4035int wpas_p2p_invite_group(struct wpa_supplicant *wpa_s, const char *ifname,
4036 const u8 *peer_addr, const u8 *go_dev_addr)
4037{
4038 struct wpa_global *global = wpa_s->global;
4039 enum p2p_invite_role role;
4040 u8 *bssid = NULL;
4041 struct wpa_ssid *ssid;
c427ac92 4042 int persistent;
b22128ef
JM		 4043
4044 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
4045 if (os_strcmp(wpa_s->ifname, ifname) == 0)
4046 break;
4047 }
4048 if (wpa_s == NULL) {
4049 wpa_printf(MSG_DEBUG, "P2P: Interface '%s' not found", ifname);
4050 return -1;
4051 }
4052
4053 ssid = wpa_s->current_ssid;
4054 if (ssid == NULL) {
4055 wpa_printf(MSG_DEBUG, "P2P: No current SSID to use for "
4056 "invitation");
4057 return -1;
4058 }
4059
c427ac92
JM		 4060 persistent = ssid->p2p_persistent_group &&
4061 wpas_p2p_get_persistent(wpa_s->parent, peer_addr,
4062 ssid->ssid, ssid->ssid_len);
4063
b22128ef
JM		 4064 if (ssid->mode == WPAS_MODE_P2P_GO) {
4065 role = P2P_INVITE_ROLE_ACTIVE_GO;
4066 bssid = wpa_s->own_addr;
4067 if (go_dev_addr == NULL)
d7e70476 4068 go_dev_addr = wpa_s->global->p2p_dev_addr;
b22128ef
JM		 4069 } else {
4070 role = P2P_INVITE_ROLE_CLIENT;
4071 if (wpa_s->wpa_state < WPA_ASSOCIATED) {
4072 wpa_printf(MSG_DEBUG, "P2P: Not associated - cannot "
4073 "invite to current group");
4074 return -1;
4075 }
4076 bssid = wpa_s->bssid;
4077 if (go_dev_addr == NULL &&
4078 !is_zero_ether_addr(wpa_s->go_dev_addr))
4079 go_dev_addr = wpa_s->go_dev_addr;
4080 }
bb79dc72 4081 wpa_s->parent->pending_invite_ssid_id = -1;
b22128ef 4082
3ac17eba
JM		 4083 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
4084 return wpa_drv_p2p_invite(wpa_s, peer_addr, role, bssid,
4085 ssid->ssid, ssid->ssid_len,
c427ac92 4086 go_dev_addr, persistent);
3ac17eba 4087
9526fd29
JM		 4088 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
4089 return -1;
4090
b22128ef 4091 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
d9d6a58c 4092 ssid->ssid, ssid->ssid_len, wpa_s->assoc_freq,
c427ac92 4093 go_dev_addr, persistent);
b22128ef
JM		 4094}
4095
4096
4097void wpas_p2p_completed(struct wpa_supplicant *wpa_s)
4098{
4099 struct wpa_ssid *ssid = wpa_s->current_ssid;
4100 const char *ssid_txt;
4101 u8 go_dev_addr[ETH_ALEN];
4b6baa2f 4102 int network_id = -1;
b22128ef 4103 int persistent;
b49d6ccb 4104 int freq;
b22128ef 4105
361cdf34
JM		 4106 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->parent,
4107 NULL);
4108
b22128ef
JM		 4109 if (!wpa_s->show_group_started || !ssid)
4110 return;
4111
4112 wpa_s->show_group_started = 0;
4113
4114 ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len);
4115 os_memset(go_dev_addr, 0, ETH_ALEN);
4116 if (ssid->bssid_set)
4117 os_memcpy(go_dev_addr, ssid->bssid, ETH_ALEN);
4118 persistent = wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid,
4119 ssid->ssid_len);
4120 os_memcpy(wpa_s->go_dev_addr, go_dev_addr, ETH_ALEN);
4121
a0a9f3b0
JM		 4122 if (wpa_s->global->p2p_group_formation == wpa_s)
4123 wpa_s->global->p2p_group_formation = NULL;
4124
b49d6ccb
JJ		 4125 freq = wpa_s->current_bss ? wpa_s->current_bss->freq :
4126 (int) wpa_s->assoc_freq;
b22128ef
JM		 4127 if (ssid->passphrase == NULL && ssid->psk_set) {
4128 char psk[65];
4129 wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32);
4130 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
c481048f
AC		 4131 "%s client ssid=\"%s\" freq=%d psk=%s go_dev_addr="
4132 MACSTR "%s",
b49d6ccb 4133 wpa_s->ifname, ssid_txt, freq, psk,
c481048f 4134 MAC2STR(go_dev_addr),
b22128ef
JM		 4135 persistent ? " [PERSISTENT]" : "");
4136 } else {
4137 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
c481048f
AC		 4138 "%s client ssid=\"%s\" freq=%d passphrase=\"%s\" "
4139 "go_dev_addr=" MACSTR "%s",
b49d6ccb 4140 wpa_s->ifname, ssid_txt, freq,
b22128ef
JM		 4141 ssid->passphrase ? ssid->passphrase : "",
4142 MAC2STR(go_dev_addr),
4143 persistent ? " [PERSISTENT]" : "");
4144 }
4145
4146 if (persistent)
4b6baa2f
JMB		 4147 network_id = wpas_p2p_store_persistent_group(wpa_s->parent,
4148 ssid, go_dev_addr);
4149 if (network_id < 0)
4150 network_id = ssid->id;
4151 wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 1);
b22128ef
JM		 4152}
4153
4154
4155int wpas_p2p_presence_req(struct wpa_supplicant *wpa_s, u32 duration1,
4156 u32 interval1, u32 duration2, u32 interval2)
4157{
3ac17eba
JM		 4158 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
4159 return -1;
9526fd29
JM		 4160 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
4161 return -1;
3ac17eba 4162
b22128ef
JM		 4163 if (wpa_s->wpa_state < WPA_ASSOCIATED ||
4164 wpa_s->current_ssid == NULL ||
4165 wpa_s->current_ssid->mode != WPAS_MODE_INFRA)
4166 return -1;
4167
4168 return p2p_presence_req(wpa_s->global->p2p, wpa_s->bssid,
4169 wpa_s->own_addr, wpa_s->assoc_freq,
4170 duration1, interval1, duration2, interval2);
4171}
4172
4173
4174int wpas_p2p_ext_listen(struct wpa_supplicant *wpa_s, unsigned int period,
4175 unsigned int interval)
4176{
3ac17eba
JM		 4177 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
4178 return -1;
4179
9526fd29
JM		 4180 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
4181 return -1;
4182
b22128ef
JM		 4183 return p2p_ext_listen(wpa_s->global->p2p, period, interval);
4184}
4185
4186
c8106615
JM		 4187static int wpas_p2p_is_client(struct wpa_supplicant *wpa_s)
4188{
4189 return wpa_s->current_ssid != NULL &&
4190 wpa_s->current_ssid->p2p_group &&
4191 wpa_s->current_ssid->mode == WPAS_MODE_INFRA;
4192}
4193
4194
3071e181
JM		 4195static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx)
4196{
4197 struct wpa_supplicant *wpa_s = eloop_ctx;
4198
c8106615 4199 if (wpa_s->conf->p2p_group_idle == 0 && !wpas_p2p_is_client(wpa_s)) {
3071e181
JM		 4200 wpa_printf(MSG_DEBUG, "P2P: Ignore group idle timeout - "
4201 "disabled");
4202 return;
4203 }
4204
4205 wpa_printf(MSG_DEBUG, "P2P: Group idle timeout reached - terminate "
4206 "group");
4207 wpa_s->removal_reason = P2P_GROUP_REMOVAL_IDLE_TIMEOUT;
4208 wpas_p2p_group_delete(wpa_s);
4209}
4210
4211
4212static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s)
4213{
5f482d55 4214 int timeout;
c8106615 4215
dddc7045
JM		 4216 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0)
4217 wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout");
4218
c8106615 4219 if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group)
3071e181
JM		 4220 return;
4221
c8106615
JM		 4222 timeout = wpa_s->conf->p2p_group_idle;
4223 if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
4224 (timeout == 0 || timeout > P2P_MAX_CLIENT_IDLE))
4225 timeout = P2P_MAX_CLIENT_IDLE;
4226
4227 if (timeout == 0)
3071e181
JM		 4228 return;
4229
5f482d55
JM		 4230 if (timeout < 0) {
4231 if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA)
4232 timeout = 0; /* special client mode no-timeout */
4233 else
4234 return;
4235 }
4236
8c472816
JM		 4237 if (wpa_s->p2p_in_provisioning) {
4238 /*
4239 * Use the normal group formation timeout during the
4240 * provisioning phase to avoid terminating this process too
4241 * early due to group idle timeout.
4242 */
4243 wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout "
4244 "during provisioning");
4245 return;
4246 }
4247
361cdf34
JM		 4248 if (wpa_s->show_group_started) {
4249 /*
4250 * Use the normal group formation timeout between the end of
4251 * the provisioning phase and completion of 4-way handshake to
4252 * avoid terminating this process too early due to group idle
4253 * timeout.
4254 */
4255 wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout "
4256 "while waiting for initial 4-way handshake to "
4257 "complete");
4258 return;
4259 }
4260
3071e181 4261 wpa_printf(MSG_DEBUG, "P2P: Set P2P group idle timeout to %u seconds",
c8106615
JM		 4262 timeout);
4263 eloop_register_timeout(timeout, 0, wpas_p2p_group_idle_timeout,
4264 wpa_s, NULL);
3071e181
JM		 4265}
4266
4267
b22128ef 4268void wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
3fc14102
JM		 4269 u16 reason_code, const u8 *ie, size_t ie_len,
4270 int locally_generated)
b22128ef 4271{
9526fd29 4272 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
b22128ef 4273 return;
3ac17eba
JM		 4274 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
4275 return;
b22128ef 4276
3fc14102
JM		 4277 if (!locally_generated)
4278 p2p_deauth_notif(wpa_s->global->p2p, bssid, reason_code, ie,
4279 ie_len);
4280
4281 if (reason_code == WLAN_REASON_DEAUTH_LEAVING && !locally_generated &&
4282 wpa_s->current_ssid &&
4283 wpa_s->current_ssid->p2p_group &&
4284 wpa_s->current_ssid->mode == WPAS_MODE_INFRA) {
4285 wpa_printf(MSG_DEBUG, "P2P: GO indicated that the P2P Group "
4286 "session is ending");
4287 wpa_s->removal_reason = P2P_GROUP_REMOVAL_GO_ENDING_SESSION;
4288 wpas_p2p_group_delete(wpa_s);
4289 }
b22128ef
JM		 4290}
4291
4292
4293void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
3fc14102
JM		 4294 u16 reason_code, const u8 *ie, size_t ie_len,
4295 int locally_generated)
b22128ef 4296{
9526fd29 4297 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
b22128ef 4298 return;
3ac17eba
JM		 4299 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
4300 return;
b22128ef 4301
3fc14102
JM		 4302 if (!locally_generated)
4303 p2p_disassoc_notif(wpa_s->global->p2p, bssid, reason_code, ie,
4304 ie_len);
b22128ef
JM		 4305}
4306
4307
4308void wpas_p2p_update_config(struct wpa_supplicant *wpa_s)
4309{
4310 struct p2p_data *p2p = wpa_s->global->p2p;
4311
4312 if (p2p == NULL)
4313 return;
4314
4c010834
KL		 4315 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
4316 return;
4317
b22128ef
JM		 4318 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_NAME)
4319 p2p_set_dev_name(p2p, wpa_s->conf->device_name);
4320
2f646b6e
JB		 4321 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE)
4322 p2p_set_pri_dev_type(p2p, wpa_s->conf->device_type);
b22128ef 4323
b6e01800
JM		 4324 if (wpa_s->wps &&
4325 (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS))
4326 p2p_set_config_methods(p2p, wpa_s->wps->config_methods);
4327
4328 if (wpa_s->wps && (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID))
4329 p2p_set_uuid(p2p, wpa_s->wps->uuid);
4330
4331 if (wpa_s->conf->changed_parameters & CFG_CHANGED_WPS_STRING) {
4332 p2p_set_manufacturer(p2p, wpa_s->conf->manufacturer);
4333 p2p_set_model_name(p2p, wpa_s->conf->model_name);
4334 p2p_set_model_number(p2p, wpa_s->conf->model_number);
4335 p2p_set_serial_number(p2p, wpa_s->conf->serial_number);
4336 }
4337
2f646b6e
JB		 4338 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE)
4339 p2p_set_sec_dev_types(p2p,
4340 (void *) wpa_s->conf->sec_device_type,
4341 wpa_s->conf->num_sec_device_types);
b22128ef 4342
f95cac27
JMB		 4343 if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) {
4344 int i;
4345 p2p_remove_wps_vendor_extensions(p2p);
4346 for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) {
4347 if (wpa_s->conf->wps_vendor_ext[i] == NULL)
4348 continue;
4349 p2p_add_wps_vendor_extension(
4350 p2p, wpa_s->conf->wps_vendor_ext[i]);
4351 }
4352 }
4353
b22128ef
JM		 4354 if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) &&
4355 wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
4356 char country[3];
4357 country[0] = wpa_s->conf->country[0];
4358 country[1] = wpa_s->conf->country[1];
4359 country[2] = 0x04;
4360 p2p_set_country(p2p, country);
4361 }
4362
4363 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_SSID_POSTFIX) {
4364 p2p_set_ssid_postfix(p2p, (u8 *) wpa_s->conf->p2p_ssid_postfix,
4365 wpa_s->conf->p2p_ssid_postfix ?
4366 os_strlen(wpa_s->conf->p2p_ssid_postfix) :
4367 0);
4368 }
0f66abd2
SS		 4369
4370 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_INTRA_BSS)
4371 p2p_set_intra_bss_dist(p2p, wpa_s->conf->p2p_intra_bss);
2463ba70
JS		 4372
4373 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_LISTEN_CHANNEL) {
4374 u8 reg_class, channel;
4375 int ret;
4376 unsigned int r;
4377 if (wpa_s->conf->p2p_listen_reg_class &&
4378 wpa_s->conf->p2p_listen_channel) {
4379 reg_class = wpa_s->conf->p2p_listen_reg_class;
4380 channel = wpa_s->conf->p2p_listen_channel;
4381 } else {
4382 reg_class = 81;
4383 /*
4384 * Pick one of the social channels randomly as the
4385 * listen channel.
4386 */
4387 os_get_random((u8 *) &r, sizeof(r));
4388 channel = 1 + (r % 3) * 5;
4389 }
4390 ret = p2p_set_listen_channel(p2p, reg_class, channel);
4391 if (ret)
4392 wpa_printf(MSG_ERROR, "P2P: Own listen channel update "
4393 "failed: %d", ret);
4394 }
4395 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_OPER_CHANNEL) {
4396 u8 op_reg_class, op_channel, cfg_op_channel;
4397 int ret = 0;
4398 unsigned int r;
4399 if (wpa_s->conf->p2p_oper_reg_class &&
4400 wpa_s->conf->p2p_oper_channel) {
4401 op_reg_class = wpa_s->conf->p2p_oper_reg_class;
4402 op_channel = wpa_s->conf->p2p_oper_channel;
4403 cfg_op_channel = 1;
4404 } else {
4405 op_reg_class = 81;
4406 /*
4407 * Use random operation channel from (1, 6, 11)
4408 *if no other preference is indicated.
4409 */
4410 os_get_random((u8 *) &r, sizeof(r));
4411 op_channel = 1 + (r % 3) * 5;
4412 cfg_op_channel = 0;
4413 }
4414 ret = p2p_set_oper_channel(p2p, op_reg_class, op_channel,
4415 cfg_op_channel);
4416 if (ret)
4417 wpa_printf(MSG_ERROR, "P2P: Own oper channel update "
4418 "failed: %d", ret);
4419 }
21d996f7
JM		 4420
4421 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_PREF_CHAN) {
4422 if (p2p_set_pref_chan(p2p, wpa_s->conf->num_p2p_pref_chan,
4423 wpa_s->conf->p2p_pref_chan) < 0) {
4424 wpa_printf(MSG_ERROR, "P2P: Preferred channel list "
4425 "update failed");
4426 }
4427 }
b22128ef 4428}
aefb53bd
JM		 4429
4430
4431int wpas_p2p_set_noa(struct wpa_supplicant *wpa_s, u8 count, int start,
4432 int duration)
4433{
4434 if (!wpa_s->ap_iface)
4435 return -1;
4436 return hostapd_p2p_set_noa(wpa_s->ap_iface->bss[0], count, start,
4437 duration);
4438}
72044390
JM		 4439
4440
4441int wpas_p2p_set_cross_connect(struct wpa_supplicant *wpa_s, int enabled)
4442{
9526fd29 4443 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
72044390
JM		 4444 return -1;
4445 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
4446 return -1;
4447
4448 wpa_s->global->cross_connection = enabled;
4449 p2p_set_cross_connect(wpa_s->global->p2p, enabled);
4450
4451 if (!enabled) {
4452 struct wpa_supplicant *iface;
4453
4454 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
4455 {
4456 if (iface->cross_connect_enabled == 0)
4457 continue;
4458
4459 iface->cross_connect_enabled = 0;
4460 iface->cross_connect_in_use = 0;
4461 wpa_msg(iface->parent, MSG_INFO,
4462 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
4463 iface->ifname, iface->cross_connect_uplink);
4464 }
4465 }
4466
4467 return 0;
4468}
4469
4470
4471static void wpas_p2p_enable_cross_connect(struct wpa_supplicant *uplink)
4472{
4473 struct wpa_supplicant *iface;
4474
4475 if (!uplink->global->cross_connection)
4476 return;
4477
4478 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
4479 if (!iface->cross_connect_enabled)
4480 continue;
4481 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
4482 0)
4483 continue;
4484 if (iface->ap_iface == NULL)
4485 continue;
4486 if (iface->cross_connect_in_use)
4487 continue;
4488
4489 iface->cross_connect_in_use = 1;
4490 wpa_msg(iface->parent, MSG_INFO,
4491 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
4492 iface->ifname, iface->cross_connect_uplink);
4493 }
4494}
4495
4496
4497static void wpas_p2p_disable_cross_connect(struct wpa_supplicant *uplink)
4498{
4499 struct wpa_supplicant *iface;
4500
4501 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
4502 if (!iface->cross_connect_enabled)
4503 continue;
4504 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
4505 0)
4506 continue;
4507 if (!iface->cross_connect_in_use)
4508 continue;
4509
4510 wpa_msg(iface->parent, MSG_INFO,
4511 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
4512 iface->ifname, iface->cross_connect_uplink);
4513 iface->cross_connect_in_use = 0;
4514 }
4515}
4516
4517
4518void wpas_p2p_notif_connected(struct wpa_supplicant *wpa_s)
4519{
4520 if (wpa_s->ap_iface || wpa_s->current_ssid == NULL ||
4521 wpa_s->current_ssid->mode != WPAS_MODE_INFRA ||
4522 wpa_s->cross_connect_disallowed)
4523 wpas_p2p_disable_cross_connect(wpa_s);
4524 else
4525 wpas_p2p_enable_cross_connect(wpa_s);
dddc7045
JM		 4526 if (!wpa_s->ap_iface &&
4527 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0)
4528 wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout");
72044390
JM		 4529}
4530
4531
4532void wpas_p2p_notif_disconnected(struct wpa_supplicant *wpa_s)
4533{
4534 wpas_p2p_disable_cross_connect(wpa_s);
4c2c6751
JM		 4535 if (!wpa_s->ap_iface &&
4536 !eloop_is_timeout_registered(wpas_p2p_group_idle_timeout,
4537 wpa_s, NULL))
3071e181 4538 wpas_p2p_set_group_idle_timeout(wpa_s);
72044390
JM		 4539}
4540
4541
4542static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s)
4543{
4544 struct wpa_supplicant *iface;
4545
4546 if (!wpa_s->global->cross_connection)
4547 return;
4548
4549 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
4550 if (iface == wpa_s)
4551 continue;
4552 if (iface->drv_flags &
4553 WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)
4554 continue;
4555 if (iface->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE)
4556 continue;
4557
4558 wpa_s->cross_connect_enabled = 1;
4559 os_strlcpy(wpa_s->cross_connect_uplink, iface->ifname,
4560 sizeof(wpa_s->cross_connect_uplink));
4561 wpa_printf(MSG_DEBUG, "P2P: Enable cross connection from "
4562 "%s to %s whenever uplink is available",
4563 wpa_s->ifname, wpa_s->cross_connect_uplink);
4564
4565 if (iface->ap_iface || iface->current_ssid == NULL ||
4566 iface->current_ssid->mode != WPAS_MODE_INFRA ||
4567 iface->cross_connect_disallowed ||
4568 iface->wpa_state != WPA_COMPLETED)
4569 break;
4570
4571 wpa_s->cross_connect_in_use = 1;
4572 wpa_msg(wpa_s->parent, MSG_INFO,
4573 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
4574 wpa_s->ifname, wpa_s->cross_connect_uplink);
4575 break;
4576 }
4577}
b73bf0a7
JM		 4578
4579
4580int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant *wpa_s)
4581{
4582 if (wpa_s->p2p_group_interface != P2P_GROUP_INTERFACE_CLIENT &&
4583 !wpa_s->p2p_in_provisioning)
4584 return 0; /* not P2P client operation */
4585
4586 wpa_printf(MSG_DEBUG, "P2P: Terminate connection due to WPS PBC "
4587 "session overlap");
148bb37f
JM		 4588 if (wpa_s != wpa_s->parent)
4589 wpa_msg_ctrl(wpa_s->parent, MSG_INFO, WPS_EVENT_OVERLAP);
0a14e3ec
SS		 4590
4591 if (wpa_s->global->p2p)
4592 p2p_group_formation_failed(wpa_s->global->p2p);
4593
4594 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
4595 wpa_s->parent, NULL);
4596
b73bf0a7
JM		 4597 wpas_group_formation_completed(wpa_s, 0);
4598 return 1;
4599}
b5c9da8d
JM		 4600
4601
4602void wpas_p2p_update_channel_list(struct wpa_supplicant *wpa_s)
4603{
4604 struct p2p_channels chan;
4605
4606 if (wpa_s->global == NULL || wpa_s->global->p2p == NULL)
4607 return;
4608
4609 os_memset(&chan, 0, sizeof(chan));
4610 if (wpas_p2p_setup_channels(wpa_s, &chan)) {
4611 wpa_printf(MSG_ERROR, "P2P: Failed to update supported "
4612 "channel list");
4613 return;
4614 }
4615
4616 p2p_update_channel_list(wpa_s->global->p2p, &chan);
4617}
59eba7a2
JM		 4618
4619
4620int wpas_p2p_cancel(struct wpa_supplicant *wpa_s)
4621{
4622 struct wpa_global *global = wpa_s->global;
4623 int found = 0;
231bbd03 4624 const u8 *peer;
59eba7a2 4625
9526fd29
JM		 4626 if (global->p2p == NULL)
4627 return -1;
4628
59eba7a2
JM		 4629 wpa_printf(MSG_DEBUG, "P2P: Request to cancel group formation");
4630
4631 if (wpa_s->pending_interface_name[0] &&
4632 !is_zero_ether_addr(wpa_s->pending_interface_addr))
4633 found = 1;
4634
231bbd03
SS		 4635 peer = p2p_get_go_neg_peer(global->p2p);
4636 if (peer) {
4637 wpa_printf(MSG_DEBUG, "P2P: Unauthorize pending GO Neg peer "
4638 MACSTR, MAC2STR(peer));
4639 p2p_unauthorize(global->p2p, peer);
75c208b9 4640 found = 1;
231bbd03
SS		 4641 }
4642
59eba7a2
JM		 4643 wpas_p2p_stop_find(wpa_s);
4644
4645 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
4646 if (wpa_s == global->p2p_group_formation &&
a0a9f3b0
JM		 4647 (wpa_s->p2p_in_provisioning ||
4648 wpa_s->parent->pending_interface_type ==
4649 WPA_IF_P2P_CLIENT)) {
59eba7a2
JM		 4650 wpa_printf(MSG_DEBUG, "P2P: Interface %s in group "
4651 "formation found - cancelling",
4652 wpa_s->ifname);
4653 found = 1;
45fee6f0
SS		 4654 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
4655 wpa_s->parent, NULL);
59eba7a2
JM		 4656 wpas_p2p_group_delete(wpa_s);
4657 break;
4658 }
4659 }
4660
4661 if (!found) {
4662 wpa_printf(MSG_DEBUG, "P2P: No ongoing group formation found");
4663 return -1;
4664 }
4665
4666 return 0;
4667}
c973f386
JM		 4668
4669
4670void wpas_p2p_interface_unavailable(struct wpa_supplicant *wpa_s)
4671{
4672 if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group)
4673 return;
4674
4675 wpa_printf(MSG_DEBUG, "P2P: Remove group due to driver resource not "
4676 "being available anymore");
4677 wpa_s->removal_reason = P2P_GROUP_REMOVAL_UNAVAILABLE;
4678 wpas_p2p_group_delete(wpa_s);
4679}
7cfc4ac3
AGS		 4680
4681
4682void wpas_p2p_update_best_channels(struct wpa_supplicant *wpa_s,
4683 int freq_24, int freq_5, int freq_overall)
4684{
4685 struct p2p_data *p2p = wpa_s->global->p2p;
4686 if (p2p == NULL || (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT))
4687 return;
4688 p2p_set_best_channels(p2p, freq_24, freq_5, freq_overall);
4689}
9d562b79
SS		 4690
4691
4692int wpas_p2p_unauthorize(struct wpa_supplicant *wpa_s, const char *addr)
4693{
4694 u8 peer[ETH_ALEN];
4695 struct p2p_data *p2p = wpa_s->global->p2p;
4696
4697 if (p2p == NULL || (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT))
4698 return -1;
4699
4700 if (hwaddr_aton(addr, peer))
4701 return -1;
4702
4703 return p2p_unauthorize(p2p, peer);
4704}
3103f345
JB		 4705
4706
4707/**
4708 * wpas_p2p_disconnect - Disconnect from a P2P Group
4709 * @wpa_s: Pointer to wpa_supplicant data
4710 * Returns: 0 on success, -1 on failure
4711 *
4712 * This can be used to disconnect from a group in which the local end is a P2P
4713 * Client or to end a P2P Group in case the local end is the Group Owner. If a
4714 * virtual network interface was created for this group, that interface will be
4715 * removed. Otherwise, only the configured P2P group network will be removed
4716 * from the interface.
4717 */
4718int wpas_p2p_disconnect(struct wpa_supplicant *wpa_s)
4719{
4720
4721 if (wpa_s == NULL)
4722 return -1;
4723
4724 wpa_s->removal_reason = P2P_GROUP_REMOVAL_REQUESTED;
4725 wpas_p2p_group_delete(wpa_s);
4726
4727 return 0;
4728}
303f60d3
JM		 4729
4730
4731int wpas_p2p_in_progress(struct wpa_supplicant *wpa_s)
4732{
4733 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
4734 return 0;
4735
4736 return p2p_in_progress(wpa_s->global->p2p);
4737}
502618f7
JM		 4738
4739
4740void wpas_p2p_network_removed(struct wpa_supplicant *wpa_s,
4741 struct wpa_ssid *ssid)
502618f7
JM		 4742{
4743 if (wpa_s->p2p_in_provisioning && ssid->p2p_group &&
4744 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
4745 wpa_s->parent, NULL) > 0) {
eb6f8c2b
AC		 4746 /**
4747 * Remove the network by scheduling the group formation
4748 * timeout to happen immediately. The teardown code
4749 * needs to be scheduled to run asynch later so that we
4750 * don't delete data from under ourselves unexpectedly.
4751 * Calling wpas_p2p_group_formation_timeout directly
4752 * causes a series of crashes in WPS failure scenarios.
4753 */
502618f7
JM		 4754 wpa_printf(MSG_DEBUG, "P2P: Canceled group formation due to "
4755 "P2P group network getting removed");
eb6f8c2b
AC		 4756 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout,
4757 wpa_s->parent, NULL);
502618f7
JM		 4758 }
4759}
87f841a1
JM		 4760
4761
4762struct wpa_ssid * wpas_p2p_get_persistent(struct wpa_supplicant *wpa_s,
c427ac92
JM		 4763 const u8 *addr, const u8 *ssid,
4764 size_t ssid_len)
87f841a1
JM		 4765{
4766 struct wpa_ssid *s;
fbdcfd57 4767 size_t i;
87f841a1
JM		 4768
4769 for (s = wpa_s->conf->ssid; s; s = s->next) {
fbdcfd57
JM		 4770 if (s->disabled != 2)
4771 continue;
c427ac92
JM		 4772 if (ssid &&
4773 (ssid_len != s->ssid_len ||
4774 os_memcmp(ssid, s->ssid, ssid_len) != 0))
4775 continue;
fbdcfd57
JM		 4776 if (os_memcmp(s->bssid, addr, ETH_ALEN) == 0)
4777 return s; /* peer is GO in the persistent group */
4778 if (s->mode != WPAS_MODE_P2P_GO || s->p2p_client_list == NULL)
4779 continue;
4780 for (i = 0; i < s->num_p2p_clients; i++) {
4781 if (os_memcmp(s->p2p_client_list + i * ETH_ALEN,
4782 addr, ETH_ALEN) == 0)
4783 return s; /* peer is P2P client in persistent
4784 * group */
4785 }
87f841a1
JM		 4786 }
4787
4788 return NULL;
4789}
fbdcfd57
JM		 4790
4791
4792void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
4793 const u8 *addr)
4794{
4795 if (addr == NULL)
4796 return;
4797 wpas_p2p_add_persistent_group_client(wpa_s, addr);
4798}
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