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nl80211: Support network hierarchy of a master interface under bridge
[thirdparty/hostap.git] / wpa_supplicant / p2p_supplicant.c
CommitLineData
b22128ef
JM		 1/*
2 * wpa_supplicant - P2P
3 * Copyright (c) 2009-2010, Atheros Communications
1b5d4714 4 * Copyright (c) 2010-2014, Jouni Malinen <j@w1.fi>
b22128ef 5 *
e22d4d95
JM		 6 * This software may be distributed under the terms of the BSD license.
7 * See README for more details.
b22128ef
JM		 8 */
9
10#include "includes.h"
11
12#include "common.h"
13#include "eloop.h"
14#include "common/ieee802_11_common.h"
15#include "common/ieee802_11_defs.h"
16#include "common/wpa_ctrl.h"
17#include "wps/wps_i.h"
18#include "p2p/p2p.h"
19#include "ap/hostapd.h"
adc33680 20#include "ap/ap_config.h"
f2c56602
JM		 21#include "ap/sta_info.h"
22#include "ap/ap_drv_ops.h"
dd876771 23#include "ap/wps_hostapd.h"
aefb53bd 24#include "ap/p2p_hostapd.h"
d7f1aa8f 25#include "ap/dfs.h"
20a0b03d
JM		 26#include "eapol_supp/eapol_supp_sm.h"
27#include "rsn_supp/wpa.h"
b22128ef
JM		 28#include "wpa_supplicant_i.h"
29#include "driver_i.h"
30#include "ap.h"
31#include "config_ssid.h"
32#include "config.h"
b22128ef
JM		 33#include "notify.h"
34#include "scan.h"
35#include "bss.h"
24f6497c 36#include "offchannel.h"
b22128ef
JM		 37#include "wps_supplicant.h"
38#include "p2p_supplicant.h"
b125c48f 39#include "wifi_display.h"
b22128ef
JM		 40
41
9b1ab931
JM		 42/*
43 * How many times to try to scan to find the GO before giving up on join
44 * request.
45 */
46#define P2P_MAX_JOIN_SCAN_ATTEMPTS 10
47
84286a22
SDU		 48#define P2P_AUTO_PD_SCAN_ATTEMPTS 5
49
1a471ff0
IP		 50/**
51 * Defines time interval in seconds when a GO needs to evacuate a frequency that
52 * it is currently using, but is no longer valid for P2P use cases.
53 */
54#define P2P_GO_FREQ_CHANGE_TIME 5
55
73afc20d
AO		 56/**
57 * Defines CSA parameters which are used when GO evacuates the no longer valid
58 * channel (and if the driver supports channel switch).
59 */
60#define P2P_GO_CSA_COUNT 7
61#define P2P_GO_CSA_BLOCK_TX 0
62
c8106615
JM		 63#ifndef P2P_MAX_CLIENT_IDLE
64/*
65 * How many seconds to try to reconnect to the GO when connection in P2P client
66 * role has been lost.
67 */
68#define P2P_MAX_CLIENT_IDLE 10
69#endif /* P2P_MAX_CLIENT_IDLE */
70
361cdf34
JM		 71#ifndef P2P_MAX_INITIAL_CONN_WAIT
72/*
73 * How many seconds to wait for initial 4-way handshake to get completed after
91364b7f
SDU		 74 * WPS provisioning step or after the re-invocation of a persistent group on a
75 * P2P Client.
361cdf34
JM		 76 */
77#define P2P_MAX_INITIAL_CONN_WAIT 10
78#endif /* P2P_MAX_INITIAL_CONN_WAIT */
79
c1c0b35f
JM		 80#ifndef P2P_MAX_INITIAL_CONN_WAIT_GO
81/*
82 * How many seconds to wait for initial 4-way handshake to get completed after
83 * WPS provisioning step on the GO. This controls the extra time the P2P
84 * operation is considered to be in progress (e.g., to delay other scans) after
85 * WPS provisioning has been completed on the GO during group formation.
86 */
87#define P2P_MAX_INITIAL_CONN_WAIT_GO 10
88#endif /* P2P_MAX_INITIAL_CONN_WAIT_GO */
89
bbc6c729
JM		 90#ifndef P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
91/*
92 * How many seconds to wait for initial 4-way handshake to get completed after
93 * re-invocation of a persistent group on the GO when the client is expected
94 * to connect automatically (no user interaction).
95 */
96#define P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE 15
97#endif /* P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE */
98
2e5ba4b6
AS		 99#define P2P_MGMT_DEVICE_PREFIX "p2p-dev-"
100
dae4c82c
IP		 101/*
102 * How many seconds to wait to re-attempt to move GOs, in case previous attempt
103 * was not possible.
104 */
105#define P2P_RECONSIDER_GO_MOVE_DELAY 30
106
8dba4aef
JM		 107enum p2p_group_removal_reason {
108 P2P_GROUP_REMOVAL_UNKNOWN,
109 P2P_GROUP_REMOVAL_SILENT,
110 P2P_GROUP_REMOVAL_FORMATION_FAILED,
111 P2P_GROUP_REMOVAL_REQUESTED,
112 P2P_GROUP_REMOVAL_IDLE_TIMEOUT,
113 P2P_GROUP_REMOVAL_UNAVAILABLE,
5bf9a6c8 114 P2P_GROUP_REMOVAL_GO_ENDING_SESSION,
8567866d 115 P2P_GROUP_REMOVAL_PSK_FAILURE,
1a471ff0
IP		 116 P2P_GROUP_REMOVAL_FREQ_CONFLICT,
117 P2P_GROUP_REMOVAL_GO_LEAVE_CHANNEL
8dba4aef
JM		 118};
119
9b1ab931 120
b22128ef
JM		 121static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx);
122static struct wpa_supplicant *
123wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
124 int go);
23318bea
JM		 125static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s, int freq,
126 const u8 *ssid, size_t ssid_len);
ebd32943
IP		 127static int wpas_p2p_setup_freqs(struct wpa_supplicant *wpa_s, int freq,
128 int *force_freq, int *pref_freq, int go,
129 unsigned int *pref_freq_list,
130 unsigned int *num_pref_freq);
c48414af
JM		 131static void wpas_p2p_join_scan_req(struct wpa_supplicant *wpa_s, int freq,
132 const u8 *ssid, size_t ssid_len);
ef922c4a 133static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx);
108def93 134static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr,
b31be3a0 135 const u8 *dev_addr, enum p2p_wps_method wps_method,
23318bea
JM		 136 int auto_join, int freq,
137 const u8 *ssid, size_t ssid_len);
b22128ef 138static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s);
72044390 139static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s);
3071e181
JM		 140static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx);
141static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s);
77dfafd0
JM		 142static void wpas_p2p_group_formation_timeout(void *eloop_ctx,
143 void *timeout_ctx);
8567866d 144static void wpas_p2p_group_freq_conflict(void *eloop_ctx, void *timeout_ctx);
b0e669be
JM		 145static int wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s,
146 int group_added);
a6294141 147static void wpas_p2p_stop_find_oper(struct wpa_supplicant *wpa_s);
b3253ebb 148static void wpas_stop_listen(void *ctx);
fb2ac53d 149static void wpas_p2p_psk_failure_removal(void *eloop_ctx, void *timeout_ctx);
bd10d938 150static void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s);
6d908514
KV		 151static int wpas_p2p_add_group_interface(struct wpa_supplicant *wpa_s,
152 enum wpa_driver_if_type type);
d95c5994
JM		 153static void wpas_p2p_group_formation_failed(struct wpa_supplicant *wpa_s,
154 int already_deleted);
c2675c87
IP		 155static void wpas_p2p_optimize_listen_channel(struct wpa_supplicant *wpa_s,
156 struct wpa_used_freq_data *freqs,
157 unsigned int num);
1a471ff0 158static void wpas_p2p_move_go(void *eloop_ctx, void *timeout_ctx);
e280110d 159static int wpas_p2p_go_is_peer_freq(struct wpa_supplicant *wpa_s, int freq);
3a8f008a
IP		 160static void
161wpas_p2p_consider_moving_gos(struct wpa_supplicant *wpa_s,
162 struct wpa_used_freq_data *freqs, unsigned int num,
163 enum wpas_p2p_channel_update_trig trig);
dae4c82c 164static void wpas_p2p_reconsider_moving_go(void *eloop_ctx, void *timeout_ctx);
b22128ef
JM		 165
166
0d08efa4
IP		 167/*
168 * Get the number of concurrent channels that the HW can operate, but that are
169 * currently not in use by any of the wpa_supplicant interfaces.
170 */
171static int wpas_p2p_num_unused_channels(struct wpa_supplicant *wpa_s)
172{
173 int *freqs;
217cf499 174 int num, unused;
0d08efa4
IP		 175
176 freqs = os_calloc(wpa_s->num_multichan_concurrent, sizeof(int));
177 if (!freqs)
178 return -1;
179
180 num = get_shared_radio_freqs(wpa_s, freqs,
181 wpa_s->num_multichan_concurrent);
182 os_free(freqs);
183
217cf499
JM		 184 unused = wpa_s->num_multichan_concurrent - num;
185 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: num_unused_channels: %d", unused);
186 return unused;
0d08efa4
IP		 187}
188
189
190/*
191 * Get the frequencies that are currently in use by one or more of the virtual
192 * interfaces, and that are also valid for P2P operation.
193 */
a0c90bb0
IP		 194static unsigned int
195wpas_p2p_valid_oper_freqs(struct wpa_supplicant *wpa_s,
196 struct wpa_used_freq_data *p2p_freqs,
197 unsigned int len)
0d08efa4 198{
a0c90bb0 199 struct wpa_used_freq_data *freqs;
0d08efa4
IP		 200 unsigned int num, i, j;
201
a0c90bb0
IP		 202 freqs = os_calloc(wpa_s->num_multichan_concurrent,
203 sizeof(struct wpa_used_freq_data));
0d08efa4 204 if (!freqs)
a0c90bb0 205 return 0;
0d08efa4 206
a0c90bb0
IP		 207 num = get_shared_radio_freqs_data(wpa_s, freqs,
208 wpa_s->num_multichan_concurrent);
0d08efa4 209
a0c90bb0 210 os_memset(p2p_freqs, 0, sizeof(struct wpa_used_freq_data) * len);
0d08efa4
IP		 211
212 for (i = 0, j = 0; i < num && j < len; i++) {
a0c90bb0 213 if (p2p_supported_freq(wpa_s->global->p2p, freqs[i].freq))
0d08efa4
IP		 214 p2p_freqs[j++] = freqs[i];
215 }
216
217 os_free(freqs);
218
a0c90bb0 219 dump_freq_data(wpa_s, "valid for P2P", p2p_freqs, j);
217cf499 220
0d08efa4
IP		 221 return j;
222}
223
224
6cb27aa8
JM		 225static void wpas_p2p_set_own_freq_preference(struct wpa_supplicant *wpa_s,
226 int freq)
227{
228 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
229 return;
86b91c89
IP		 230
231 /* Use the wpa_s used to control the P2P Device operation */
232 wpa_s = wpa_s->global->p2p_init_wpa_s;
233
234 if (wpa_s->conf->p2p_ignore_shared_freq &&
5624ccfe
JM		 235 freq > 0 && wpa_s->num_multichan_concurrent > 1 &&
236 wpas_p2p_num_unused_channels(wpa_s) > 0) {
21e491f2
JM		 237 wpa_printf(MSG_DEBUG, "P2P: Ignore own channel preference %d MHz due to p2p_ignore_shared_freq=1 configuration",
238 freq);
b277a2be 239 freq = 0;
21e491f2 240 }
6cb27aa8
JM		 241 p2p_set_own_freq_preference(wpa_s->global->p2p, freq);
242}
243
244
b22128ef
JM		 245static void wpas_p2p_scan_res_handler(struct wpa_supplicant *wpa_s,
246 struct wpa_scan_results *scan_res)
247{
248 size_t i;
249
1b5d4714
JM		 250 if (wpa_s->p2p_scan_work) {
251 struct wpa_radio_work *work = wpa_s->p2p_scan_work;
252 wpa_s->p2p_scan_work = NULL;
253 radio_work_done(work);
254 }
255
9526fd29 256 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
b22128ef
JM		 257 return;
258
259 wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS)",
260 (int) scan_res->num);
261
262 for (i = 0; i < scan_res->num; i++) {
263 struct wpa_scan_res *bss = scan_res->res[i];
acb69cec 264 struct os_reltime time_tmp_age, entry_ts;
aaeb9c98
JM		 265 const u8 *ies;
266 size_t ies_len;
267
c5f10e80
JM		 268 time_tmp_age.sec = bss->age / 1000;
269 time_tmp_age.usec = (bss->age % 1000) * 1000;
acb69cec 270 os_reltime_sub(&scan_res->fetch_time, &time_tmp_age, &entry_ts);
aaeb9c98
JM		 271
272 ies = (const u8 *) (bss + 1);
273 ies_len = bss->ie_len;
274 if (bss->beacon_ie_len > 0 &&
275 !wpa_scan_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) &&
276 wpa_scan_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
277 wpa_printf(MSG_DEBUG, "P2P: Use P2P IE(s) from Beacon frame since no P2P IE(s) in Probe Response frames received for "
278 MACSTR, MAC2STR(bss->bssid));
279 ies = ies + ies_len;
280 ies_len = bss->beacon_ie_len;
281 }
282
283
b22128ef 284 if (p2p_scan_res_handler(wpa_s->global->p2p, bss->bssid,
c5f10e80 285 bss->freq, &entry_ts, bss->level,
aaeb9c98 286 ies, ies_len) > 0)
9bcf9541 287 break;
b22128ef
JM		 288 }
289
290 p2p_scan_res_handled(wpa_s->global->p2p);
291}
292
293
1b5d4714
JM		 294static void wpas_p2p_trigger_scan_cb(struct wpa_radio_work *work, int deinit)
295{
296 struct wpa_supplicant *wpa_s = work->wpa_s;
297 struct wpa_driver_scan_params *params = work->ctx;
298 int ret;
299
300 if (deinit) {
b3253ebb
AO		 301 if (!work->started) {
302 wpa_scan_free_params(params);
303 return;
304 }
305
306 wpa_s->p2p_scan_work = NULL;
1b5d4714
JM		 307 return;
308 }
309
310 ret = wpa_drv_scan(wpa_s, params);
311 wpa_scan_free_params(params);
312 work->ctx = NULL;
313 if (ret) {
314 radio_work_done(work);
b951a974 315 p2p_notify_scan_trigger_status(wpa_s->global->p2p, ret);
1b5d4714
JM		 316 return;
317 }
318
b951a974 319 p2p_notify_scan_trigger_status(wpa_s->global->p2p, ret);
1b5d4714
JM		 320 os_get_reltime(&wpa_s->scan_trigger_time);
321 wpa_s->scan_res_handler = wpas_p2p_scan_res_handler;
322 wpa_s->own_scan_requested = 1;
323 wpa_s->p2p_scan_work = work;
324}
325
326
7475d299
JM		 327static int wpas_p2p_search_social_channel(struct wpa_supplicant *wpa_s,
328 int freq)
329{
330 if (wpa_s->global->p2p_24ghz_social_channels &&
331 (freq == 2412 || freq == 2437 || freq == 2462)) {
332 /*
333 * Search all social channels regardless of whether these have
334 * been disabled for P2P operating channel use to avoid missing
335 * peers.
336 */
337 return 1;
338 }
339 return p2p_supported_freq(wpa_s->global->p2p, freq);
340}
341
342
046ef4aa
JMB		 343static int wpas_p2p_scan(void *ctx, enum p2p_scan_type type, int freq,
344 unsigned int num_req_dev_types,
360182ed 345 const u8 *req_dev_types, const u8 *dev_id, u16 pw_id)
b22128ef
JM		 346{
347 struct wpa_supplicant *wpa_s = ctx;
1b5d4714 348 struct wpa_driver_scan_params *params = NULL;
b22128ef 349 struct wpabuf *wps_ie, *ies;
1595eb93
AM		 350 unsigned int num_channels = 0;
351 int social_channels_freq[] = { 2412, 2437, 2462, 60480 };
206e1f42 352 size_t ielen;
1595eb93 353 u8 *n, i;
c58eed6d 354 unsigned int bands;
b22128ef 355
9526fd29
JM		 356 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
357 return -1;
358
1b5d4714
JM		 359 if (wpa_s->p2p_scan_work) {
360 wpa_dbg(wpa_s, MSG_INFO, "P2P: Reject scan trigger since one is already pending");
361 return -1;
99fcd404
JM		 362 }
363
1b5d4714
JM		 364 params = os_zalloc(sizeof(*params));
365 if (params == NULL)
366 return -1;
b22128ef
JM		 367
368 /* P2P Wildcard SSID */
1b5d4714
JM		 369 params->num_ssids = 1;
370 n = os_malloc(P2P_WILDCARD_SSID_LEN);
371 if (n == NULL)
372 goto fail;
373 os_memcpy(n, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN);
374 params->ssids[0].ssid = n;
375 params->ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN;
b22128ef
JM		 376
377 wpa_s->wps->dev.p2p = 1;
360182ed
JM		 378 wps_ie = wps_build_probe_req_ie(pw_id, &wpa_s->wps->dev,
379 wpa_s->wps->uuid, WPS_REQ_ENROLLEE,
046ef4aa 380 num_req_dev_types, req_dev_types);
b22128ef 381 if (wps_ie == NULL)
1b5d4714 382 goto fail;
b22128ef 383
b22128ef
JM		 384 switch (type) {
385 case P2P_SCAN_SOCIAL:
1595eb93
AM		 386 params->freqs = os_calloc(ARRAY_SIZE(social_channels_freq) + 1,
387 sizeof(int));
1b5d4714
JM		 388 if (params->freqs == NULL)
389 goto fail;
1595eb93 390 for (i = 0; i < ARRAY_SIZE(social_channels_freq); i++) {
7475d299
JM		 391 if (wpas_p2p_search_social_channel(
392 wpa_s, social_channels_freq[i]))
1595eb93
AM		 393 params->freqs[num_channels++] =
394 social_channels_freq[i];
395 }
396 params->freqs[num_channels++] = 0;
b22128ef
JM		 397 break;
398 case P2P_SCAN_FULL:
399 break;
eb78a8d5
DU		 400 case P2P_SCAN_SPECIFIC:
401 params->freqs = os_calloc(2, sizeof(int));
402 if (params->freqs == NULL)
403 goto fail;
404 params->freqs[0] = freq;
405 params->freqs[1] = 0;
406 break;
b22128ef 407 case P2P_SCAN_SOCIAL_PLUS_ONE:
1595eb93
AM		 408 params->freqs = os_calloc(ARRAY_SIZE(social_channels_freq) + 2,
409 sizeof(int));
1b5d4714
JM		 410 if (params->freqs == NULL)
411 goto fail;
1595eb93 412 for (i = 0; i < ARRAY_SIZE(social_channels_freq); i++) {
7475d299
JM		 413 if (wpas_p2p_search_social_channel(
414 wpa_s, social_channels_freq[i]))
1595eb93
AM		 415 params->freqs[num_channels++] =
416 social_channels_freq[i];
417 }
418 if (p2p_supported_freq(wpa_s->global->p2p, freq))
419 params->freqs[num_channels++] = freq;
420 params->freqs[num_channels++] = 0;
b22128ef
JM		 421 break;
422 }
423
94ad3c33
LD		 424 ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p);
425 ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen);
426 if (ies == NULL) {
427 wpabuf_free(wps_ie);
428 goto fail;
429 }
430 wpabuf_put_buf(ies, wps_ie);
431 wpabuf_free(wps_ie);
432
c58eed6d
LD		 433 bands = wpas_get_bands(wpa_s, params->freqs);
434 p2p_scan_ie(wpa_s->global->p2p, ies, dev_id, bands);
94ad3c33
LD		 435
436 params->p2p_probe = 1;
437 n = os_malloc(wpabuf_len(ies));
438 if (n == NULL) {
439 wpabuf_free(ies);
440 goto fail;
441 }
442 os_memcpy(n, wpabuf_head(ies), wpabuf_len(ies));
443 params->extra_ies = n;
444 params->extra_ies_len = wpabuf_len(ies);
445 wpabuf_free(ies);
446
b3253ebb 447 radio_remove_works(wpa_s, "p2p-scan", 0);
1b5d4714
JM		 448 if (radio_add_work(wpa_s, 0, "p2p-scan", 0, wpas_p2p_trigger_scan_cb,
449 params) < 0)
450 goto fail;
451 return 0;
0c96fd6d 452
1b5d4714
JM		 453fail:
454 wpa_scan_free_params(params);
455 return -1;
b22128ef
JM		 456}
457
458
b22128ef
JM		 459static enum wpa_driver_if_type wpas_p2p_if_type(int p2p_group_interface)
460{
461 switch (p2p_group_interface) {
462 case P2P_GROUP_INTERFACE_PENDING:
463 return WPA_IF_P2P_GROUP;
464 case P2P_GROUP_INTERFACE_GO:
465 return WPA_IF_P2P_GO;
466 case P2P_GROUP_INTERFACE_CLIENT:
467 return WPA_IF_P2P_CLIENT;
468 }
469
470 return WPA_IF_P2P_GROUP;
471}
472
473
6c0da49f
JM		 474static struct wpa_supplicant * wpas_get_p2p_group(struct wpa_supplicant *wpa_s,
475 const u8 *ssid,
476 size_t ssid_len, int *go)
477{
478 struct wpa_ssid *s;
479
480 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
481 for (s = wpa_s->conf->ssid; s; s = s->next) {
482 if (s->disabled != 0 || !s->p2p_group ||
483 s->ssid_len != ssid_len ||
484 os_memcmp(ssid, s->ssid, ssid_len) != 0)
485 continue;
486 if (s->mode == WPAS_MODE_P2P_GO &&
487 s != wpa_s->current_ssid)
488 continue;
489 if (go)
490 *go = s->mode == WPAS_MODE_P2P_GO;
491 return wpa_s;
492 }
493 }
494
495 return NULL;
496}
497
498
f2b3acc9
JM		 499static void run_wpas_p2p_disconnect(void *eloop_ctx, void *timeout_ctx)
500{
501 struct wpa_supplicant *wpa_s = eloop_ctx;
502 wpa_printf(MSG_DEBUG,
503 "P2P: Complete previously requested removal of %s",
504 wpa_s->ifname);
505 wpas_p2p_disconnect(wpa_s);
506}
507
508
509static int wpas_p2p_disconnect_safely(struct wpa_supplicant *wpa_s,
510 struct wpa_supplicant *calling_wpa_s)
511{
3586d55a 512 if (calling_wpa_s == wpa_s && wpa_s &&
f2b3acc9
JM		 513 wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) {
514 /*
515 * The calling wpa_s instance is going to be removed. Do that
516 * from an eloop callback to keep the instance available until
517 * the caller has returned. This my be needed, e.g., to provide
518 * control interface responses on the per-interface socket.
519 */
520 if (eloop_register_timeout(0, 0, run_wpas_p2p_disconnect,
521 wpa_s, NULL) < 0)
522 return -1;
523 return 0;
524 }
525
526 return wpas_p2p_disconnect(wpa_s);
527}
528
529
5fefce27
KV		 530/* Determine total number of clients in active groups where we are the GO */
531static unsigned int p2p_group_go_member_count(struct wpa_supplicant *wpa_s)
532{
533 unsigned int count = 0;
534 struct wpa_ssid *s;
535
536 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
537 for (s = wpa_s->conf->ssid; s; s = s->next) {
538 wpa_printf(MSG_DEBUG,
539 "P2P: sup:%p ssid:%p disabled:%d p2p:%d mode:%d",
540 wpa_s, s, s->disabled, s->p2p_group,
541 s->mode);
542 if (!s->disabled && s->p2p_group &&
543 s->mode == WPAS_MODE_P2P_GO) {
544 count += p2p_get_group_num_members(
545 wpa_s->p2p_group);
546 }
547 }
548 }
549
550 return count;
551}
552
553
8d5e7329
IP		 554static unsigned int p2p_is_active_persistent_group(struct wpa_supplicant *wpa_s)
555{
556 return !wpa_s->p2p_mgmt && wpa_s->current_ssid &&
557 !wpa_s->current_ssid->disabled &&
558 wpa_s->current_ssid->p2p_group &&
559 wpa_s->current_ssid->p2p_persistent_group;
560}
561
562
563static unsigned int p2p_is_active_persistent_go(struct wpa_supplicant *wpa_s)
564{
565 return p2p_is_active_persistent_group(wpa_s) &&
566 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO;
567}
568
569
6d908514
KV		 570/* Find an interface for a P2P group where we are the GO */
571static struct wpa_supplicant *
572wpas_p2p_get_go_group(struct wpa_supplicant *wpa_s)
573{
574 struct wpa_supplicant *save = NULL;
6d908514
KV		 575
576 if (!wpa_s)
577 return NULL;
578
579 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8d5e7329
IP		 580 if (!p2p_is_active_persistent_go(wpa_s))
581 continue;
6d908514 582
8d5e7329
IP		 583 /* Prefer a group with connected clients */
584 if (p2p_get_group_num_members(wpa_s->p2p_group))
585 return wpa_s;
586 save = wpa_s;
6d908514
KV		 587 }
588
589 /* No group with connected clients, so pick the one without (if any) */
590 return save;
591}
592
593
ab804bcb
IP		 594static unsigned int p2p_is_active_persistent_cli(struct wpa_supplicant *wpa_s)
595{
596 return p2p_is_active_persistent_group(wpa_s) &&
597 wpa_s->current_ssid->mode == WPAS_MODE_INFRA;
598}
599
600
601/* Find an interface for a P2P group where we are the P2P Client */
602static struct wpa_supplicant *
603wpas_p2p_get_cli_group(struct wpa_supplicant *wpa_s)
604{
605 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
606 if (p2p_is_active_persistent_cli(wpa_s))
607 return wpa_s;
608 }
609
610 return NULL;
611}
612
613
369678ad
KV		 614/* Find a persistent group where we are the GO */
615static struct wpa_ssid *
616wpas_p2p_get_persistent_go(struct wpa_supplicant *wpa_s)
617{
618 struct wpa_ssid *s;
619
620 for (s = wpa_s->conf->ssid; s; s = s->next) {
621 if (s->disabled == 2 && s->mode == WPAS_MODE_P2P_GO)
622 return s;
623 }
624
625 return NULL;
626}
627
628
ebd32943
IP		 629static u8 p2ps_group_capability(void *ctx, u8 incoming, u8 role,
630 unsigned int *force_freq,
631 unsigned int *pref_freq)
6d908514 632{
ab804bcb 633 struct wpa_supplicant *wpa_s = ctx;
6d908514
KV		 634 struct wpa_ssid *s;
635 u8 conncap = P2PS_SETUP_NONE;
636 unsigned int owned_members = 0;
ab804bcb 637 struct wpa_supplicant *go_wpa_s, *cli_wpa_s;
6d908514
KV		 638 struct wpa_ssid *persistent_go;
639 int p2p_no_group_iface;
ebd32943 640 unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size;
6d908514
KV		 641
642 wpa_printf(MSG_DEBUG, "P2P: Conncap - in:%d role:%d", incoming, role);
643
ebd32943
IP		 644 if (force_freq)
645 *force_freq = 0;
646 if (pref_freq)
647 *pref_freq = 0;
648
649 size = P2P_MAX_PREF_CHANNELS;
650 if (force_freq && pref_freq &&
651 !wpas_p2p_setup_freqs(wpa_s, 0, (int *) force_freq,
652 (int *) pref_freq, 0, pref_freq_list, &size))
653 wpas_p2p_set_own_freq_preference(wpa_s,
654 *force_freq ? *force_freq :
655 *pref_freq);
656
6d908514
KV		 657 /*
658 * For non-concurrent capable devices:
659 * If persistent_go, then no new.
660 * If GO, then no client.
661 * If client, then no GO.
662 */
663 go_wpa_s = wpas_p2p_get_go_group(wpa_s);
ab804bcb
IP		 664 if (go_wpa_s)
665 owned_members = p2p_get_group_num_members(go_wpa_s->p2p_group);
6d908514 666 persistent_go = wpas_p2p_get_persistent_go(wpa_s);
a698d6c8 667 p2p_no_group_iface = !wpas_p2p_create_iface(wpa_s);
ab804bcb 668 cli_wpa_s = wpas_p2p_get_cli_group(wpa_s);
6d908514 669
ab804bcb
IP		 670 wpa_printf(MSG_DEBUG,
671 "P2P: GO(iface)=%p members=%u CLI(iface)=%p persistent(ssid)=%p",
672 go_wpa_s, owned_members, cli_wpa_s, persistent_go);
6d908514
KV		 673
674 /* If not concurrent, restrict our choices */
675 if (p2p_no_group_iface) {
676 wpa_printf(MSG_DEBUG, "P2P: p2p_no_group_iface");
677
ab804bcb 678 if (cli_wpa_s)
6d908514
KV		 679 return P2PS_SETUP_NONE;
680
681 if (go_wpa_s) {
682 if (role == P2PS_SETUP_CLIENT ||
683 incoming == P2PS_SETUP_GROUP_OWNER ||
684 p2p_client_limit_reached(go_wpa_s->p2p_group))
685 return P2PS_SETUP_NONE;
686
687 return P2PS_SETUP_GROUP_OWNER;
688 }
689
690 if (persistent_go) {
691 if (role == P2PS_SETUP_NONE || role == P2PS_SETUP_NEW) {
692 if (!incoming)
693 return P2PS_SETUP_GROUP_OWNER |
694 P2PS_SETUP_CLIENT;
695 if (incoming == P2PS_SETUP_NEW) {
696 u8 r;
697
698 if (os_get_random(&r, sizeof(r)) < 0 ||
699 (r & 1))
700 return P2PS_SETUP_CLIENT;
701 return P2PS_SETUP_GROUP_OWNER;
702 }
703 }
704 }
705 }
706
707 /* If a required role has been specified, handle it here */
708 if (role && role != P2PS_SETUP_NEW) {
709 switch (incoming) {
f8a80e39
IP		 710 case P2PS_SETUP_GROUP_OWNER | P2PS_SETUP_NEW:
711 case P2PS_SETUP_GROUP_OWNER | P2PS_SETUP_CLIENT:
712 /*
713 * Peer has an active GO, so if the role allows it and
714 * we do not have any active roles, become client.
715 */
716 if ((role & P2PS_SETUP_CLIENT) && !go_wpa_s &&
717 !cli_wpa_s)
718 return P2PS_SETUP_CLIENT;
719
720 /* fall through */
721
6d908514
KV		 722 case P2PS_SETUP_NONE:
723 case P2PS_SETUP_NEW:
6d908514
KV		 724 conncap = role;
725 goto grp_owner;
726
727 case P2PS_SETUP_GROUP_OWNER:
728 /*
729 * Must be a complimentary role - cannot be a client to
730 * more than one peer.
731 */
ab804bcb 732 if (incoming == role || cli_wpa_s)
6d908514
KV		 733 return P2PS_SETUP_NONE;
734
735 return P2PS_SETUP_CLIENT;
736
737 case P2PS_SETUP_CLIENT:
738 /* Must be a complimentary role */
739 if (incoming != role) {
740 conncap = P2PS_SETUP_GROUP_OWNER;
741 goto grp_owner;
742 }
743
744 default:
745 return P2PS_SETUP_NONE;
746 }
747 }
748
749 /*
750 * For now, we only will support ownership of one group, and being a
751 * client of one group. Therefore, if we have either an existing GO
752 * group, or an existing client group, we will not do a new GO
753 * negotiation, but rather try to re-use the existing groups.
754 */
755 switch (incoming) {
756 case P2PS_SETUP_NONE:
757 case P2PS_SETUP_NEW:
ab804bcb 758 if (cli_wpa_s)
6d908514
KV		 759 conncap = P2PS_SETUP_GROUP_OWNER;
760 else if (!owned_members)
761 conncap = P2PS_SETUP_NEW;
762 else if (incoming == P2PS_SETUP_NONE)
763 conncap = P2PS_SETUP_GROUP_OWNER | P2PS_SETUP_CLIENT;
764 else
765 conncap = P2PS_SETUP_CLIENT;
766 break;
767
768 case P2PS_SETUP_CLIENT:
769 conncap = P2PS_SETUP_GROUP_OWNER;
770 break;
771
772 case P2PS_SETUP_GROUP_OWNER:
ab804bcb 773 if (!cli_wpa_s)
6d908514
KV		 774 conncap = P2PS_SETUP_CLIENT;
775 break;
776
777 case P2PS_SETUP_GROUP_OWNER | P2PS_SETUP_NEW:
778 case P2PS_SETUP_GROUP_OWNER | P2PS_SETUP_CLIENT:
ab804bcb 779 if (cli_wpa_s)
6d908514
KV		 780 conncap = P2PS_SETUP_GROUP_OWNER;
781 else {
782 u8 r;
783
784 if (os_get_random(&r, sizeof(r)) < 0 ||
785 (r & 1))
786 conncap = P2PS_SETUP_CLIENT;
787 else
788 conncap = P2PS_SETUP_GROUP_OWNER;
789 }
790 break;
791
792 default:
793 return P2PS_SETUP_NONE;
794 }
795
796grp_owner:
797 if ((conncap & P2PS_SETUP_GROUP_OWNER) ||
798 (!incoming && (conncap & P2PS_SETUP_NEW))) {
799 if (go_wpa_s && p2p_client_limit_reached(go_wpa_s->p2p_group))
800 conncap &= ~P2PS_SETUP_GROUP_OWNER;
6d908514
KV		 801
802 s = wpas_p2p_get_persistent_go(wpa_s);
ab804bcb 803 if (!s && !go_wpa_s && p2p_no_group_iface) {
6d908514 804 p2p_set_intended_addr(wpa_s->global->p2p,
96a26ab7
LD		 805 wpa_s->p2p_mgmt ?
806 wpa_s->parent->own_addr :
6d908514 807 wpa_s->own_addr);
ab804bcb 808 } else if (!s && !go_wpa_s) {
6d908514
KV		 809 if (wpas_p2p_add_group_interface(wpa_s,
810 WPA_IF_P2P_GO) < 0) {
811 wpa_printf(MSG_ERROR,
812 "P2P: Failed to allocate a new interface for the group");
813 return P2PS_SETUP_NONE;
814 }
93eca615 815 wpa_s->global->pending_group_iface_for_p2ps = 1;
6d908514
KV		 816 p2p_set_intended_addr(wpa_s->global->p2p,
817 wpa_s->pending_interface_addr);
818 }
819 }
820
821 return conncap;
822}
823
824
8dba4aef
JM		 825static int wpas_p2p_group_delete(struct wpa_supplicant *wpa_s,
826 enum p2p_group_removal_reason removal_reason)
b22128ef
JM		 827{
828 struct wpa_ssid *ssid;
829 char *gtype;
3071e181
JM		 830 const char *reason;
831
b22128ef
JM		 832 ssid = wpa_s->current_ssid;
833 if (ssid == NULL) {
834 /*
835 * The current SSID was not known, but there may still be a
0c802384
JM		 836 * pending P2P group interface waiting for provisioning or a
837 * P2P group that is trying to reconnect.
b22128ef
JM		 838 */
839 ssid = wpa_s->conf->ssid;
840 while (ssid) {
6d22a377 841 if (ssid->p2p_group && ssid->disabled != 2)
b22128ef
JM		 842 break;
843 ssid = ssid->next;
844 }
6f1ca696
JM		 845 if (ssid == NULL &&
846 wpa_s->p2p_group_interface == NOT_P2P_GROUP_INTERFACE)
847 {
30ee7692
MN		 848 wpa_printf(MSG_ERROR, "P2P: P2P group interface "
849 "not found");
850 return -1;
851 }
b22128ef
JM		 852 }
853 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO)
854 gtype = "GO";
855 else if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT ||
856 (ssid && ssid->mode == WPAS_MODE_INFRA)) {
857 wpa_s->reassociate = 0;
858 wpa_s->disconnected = 1;
b22128ef
JM		 859 gtype = "client";
860 } else
861 gtype = "GO";
c45dabb8
EA		 862
863 if (removal_reason != P2P_GROUP_REMOVAL_SILENT && ssid)
864 wpas_notify_p2p_group_removed(wpa_s, ssid, gtype);
865
debb2dac 866 if (os_strcmp(gtype, "client") == 0) {
c45dabb8 867 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
debb2dac
JM		 868 if (eloop_is_timeout_registered(wpas_p2p_psk_failure_removal,
869 wpa_s, NULL)) {
870 wpa_printf(MSG_DEBUG,
871 "P2P: PSK failure removal was scheduled, so use PSK failure as reason for group removal");
872 removal_reason = P2P_GROUP_REMOVAL_PSK_FAILURE;
873 eloop_cancel_timeout(wpas_p2p_psk_failure_removal,
874 wpa_s, NULL);
875 }
876 }
c45dabb8 877
72044390
JM		 878 if (wpa_s->cross_connect_in_use) {
879 wpa_s->cross_connect_in_use = 0;
ba307f85 880 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
92c4465b
JM		 881 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
882 wpa_s->ifname, wpa_s->cross_connect_uplink);
72044390 883 }
8dba4aef 884 switch (removal_reason) {
3071e181
JM		 885 case P2P_GROUP_REMOVAL_REQUESTED:
886 reason = " reason=REQUESTED";
887 break;
8dba4aef
JM		 888 case P2P_GROUP_REMOVAL_FORMATION_FAILED:
889 reason = " reason=FORMATION_FAILED";
890 break;
3071e181
JM		 891 case P2P_GROUP_REMOVAL_IDLE_TIMEOUT:
892 reason = " reason=IDLE";
893 break;
c973f386
JM		 894 case P2P_GROUP_REMOVAL_UNAVAILABLE:
895 reason = " reason=UNAVAILABLE";
896 break;
3fc14102
JM		 897 case P2P_GROUP_REMOVAL_GO_ENDING_SESSION:
898 reason = " reason=GO_ENDING_SESSION";
899 break;
5bf9a6c8
JM		 900 case P2P_GROUP_REMOVAL_PSK_FAILURE:
901 reason = " reason=PSK_FAILURE";
902 break;
8567866d
JJ		 903 case P2P_GROUP_REMOVAL_FREQ_CONFLICT:
904 reason = " reason=FREQ_CONFLICT";
905 break;
3071e181
JM		 906 default:
907 reason = "";
908 break;
909 }
8dba4aef 910 if (removal_reason != P2P_GROUP_REMOVAL_SILENT) {
ba307f85 911 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
92c4465b
JM		 912 P2P_EVENT_GROUP_REMOVED "%s %s%s",
913 wpa_s->ifname, gtype, reason);
aa9bb764 914 }
408af93e 915
8567866d
JJ		 916 if (eloop_cancel_timeout(wpas_p2p_group_freq_conflict, wpa_s, NULL) > 0)
917 wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group freq_conflict timeout");
dddc7045
JM		 918 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0)
919 wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout");
77dfafd0 920 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 921 wpa_s->p2pdev, NULL) > 0) {
77dfafd0
JM		 922 wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group formation "
923 "timeout");
c9c77083 924 wpa_s->p2p_in_provisioning = 0;
be11a594 925 wpas_p2p_group_formation_failed(wpa_s, 1);
c9c77083 926 }
a7a30b90 927
41d5ce9e 928 wpa_s->p2p_in_invitation = 0;
1a471ff0 929 eloop_cancel_timeout(wpas_p2p_move_go, wpa_s, NULL);
dae4c82c 930 eloop_cancel_timeout(wpas_p2p_reconsider_moving_go, wpa_s, NULL);
41d5ce9e 931
adeb4f59
JM		 932 /*
933 * Make sure wait for the first client does not remain active after the
934 * group has been removed.
935 */
936 wpa_s->global->p2p_go_wait_client.sec = 0;
937
b22128ef
JM		 938 if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) {
939 struct wpa_global *global;
940 char *ifname;
941 enum wpa_driver_if_type type;
942 wpa_printf(MSG_DEBUG, "P2P: Remove group interface %s",
943 wpa_s->ifname);
944 global = wpa_s->global;
945 ifname = os_strdup(wpa_s->ifname);
946 type = wpas_p2p_if_type(wpa_s->p2p_group_interface);
f2b3acc9 947 eloop_cancel_timeout(run_wpas_p2p_disconnect, wpa_s, NULL);
df509539 948 wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0);
b22128ef
JM		 949 wpa_s = global->ifaces;
950 if (wpa_s && ifname)
951 wpa_drv_if_remove(wpa_s, type, ifname);
952 os_free(ifname);
0aadd568 953 return 1;
b22128ef
JM		 954 }
955
96a26ab7
LD		 956 /*
957 * The primary interface was used for P2P group operations, so
958 * need to reset its p2pdev.
959 */
960 wpa_s->p2pdev = wpa_s->parent;
961
acdd0fc8
DG		 962 if (!wpa_s->p2p_go_group_formation_completed) {
963 wpa_s->global->p2p_group_formation = NULL;
964 wpa_s->p2p_in_provisioning = 0;
965 }
966
c092d83e
JM		 967 wpa_s->show_group_started = 0;
968 os_free(wpa_s->go_params);
969 wpa_s->go_params = NULL;
970
20beb96f
IP		 971 os_free(wpa_s->p2p_group_common_freqs);
972 wpa_s->p2p_group_common_freqs = NULL;
973 wpa_s->p2p_group_common_freqs_num = 0;
974
c64e3a08
JM		 975 wpa_s->waiting_presence_resp = 0;
976
b22128ef
JM		 977 wpa_printf(MSG_DEBUG, "P2P: Remove temporary group network");
978 if (ssid && (ssid->p2p_group ||
979 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION ||
980 (ssid->key_mgmt & WPA_KEY_MGMT_WPS))) {
981 int id = ssid->id;
20a0b03d
JM		 982 if (ssid == wpa_s->current_ssid) {
983 wpa_sm_set_config(wpa_s->wpa, NULL);
984 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
b22128ef 985 wpa_s->current_ssid = NULL;
20a0b03d 986 }
c2762e41
JS		 987 /*
988 * Networks objects created during any P2P activities are not
989 * exposed out as they might/will confuse certain non-P2P aware
990 * applications since these network objects won't behave like
991 * regular ones.
992 *
993 * Likewise, we don't send out network removed signals for such
994 * network objects.
995 */
b22128ef
JM		 996 wpa_config_remove_network(wpa_s->conf, id);
997 wpa_supplicant_clear_status(wpa_s);
433cd2ce 998 wpa_supplicant_cancel_sched_scan(wpa_s);
b22128ef
JM		 999 } else {
1000 wpa_printf(MSG_DEBUG, "P2P: Temporary group network not "
1001 "found");
1002 }
3c29244e
EP		 1003 if (wpa_s->ap_iface)
1004 wpa_supplicant_ap_deinit(wpa_s);
1005 else
1006 wpa_drv_deinit_p2p_cli(wpa_s);
30ee7692 1007
9f59fe8d
JM		 1008 os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
1009
30ee7692 1010 return 0;
b22128ef
JM		 1011}
1012
1013
1014static int wpas_p2p_persistent_group(struct wpa_supplicant *wpa_s,
1015 u8 *go_dev_addr,
1016 const u8 *ssid, size_t ssid_len)
1017{
1018 struct wpa_bss *bss;
1019 const u8 *bssid;
1020 struct wpabuf *p2p;
1021 u8 group_capab;
1022 const u8 *addr;
1023
1024 if (wpa_s->go_params)
1025 bssid = wpa_s->go_params->peer_interface_addr;
1026 else
1027 bssid = wpa_s->bssid;
1028
1029 bss = wpa_bss_get(wpa_s, bssid, ssid, ssid_len);
23318bea
JM		 1030 if (bss == NULL && wpa_s->go_params &&
1031 !is_zero_ether_addr(wpa_s->go_params->peer_device_addr))
1032 bss = wpa_bss_get_p2p_dev_addr(
1033 wpa_s, wpa_s->go_params->peer_device_addr);
b22128ef
JM		 1034 if (bss == NULL) {
1035 u8 iface_addr[ETH_ALEN];
1036 if (p2p_get_interface_addr(wpa_s->global->p2p, bssid,
1037 iface_addr) == 0)
1038 bss = wpa_bss_get(wpa_s, iface_addr, ssid, ssid_len);
1039 }
1040 if (bss == NULL) {
1041 wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether "
1042 "group is persistent - BSS " MACSTR " not found",
1043 MAC2STR(bssid));
1044 return 0;
1045 }
1046
1047 p2p = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
5df7414b
JM		 1048 if (p2p == NULL)
1049 p2p = wpa_bss_get_vendor_ie_multi_beacon(bss,
1050 P2P_IE_VENDOR_TYPE);
b22128ef
JM		 1051 if (p2p == NULL) {
1052 wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether "
1053 "group is persistent - BSS " MACSTR
1054 " did not include P2P IE", MAC2STR(bssid));
1055 wpa_hexdump(MSG_DEBUG, "P2P: Probe Response IEs",
1056 (u8 *) (bss + 1), bss->ie_len);
1057 wpa_hexdump(MSG_DEBUG, "P2P: Beacon IEs",
1058 ((u8 *) bss + 1) + bss->ie_len,
1059 bss->beacon_ie_len);
1060 return 0;
1061 }
1062
1063 group_capab = p2p_get_group_capab(p2p);
1064 addr = p2p_get_go_dev_addr(p2p);
1065 wpa_printf(MSG_DEBUG, "P2P: Checking whether group is persistent: "
1066 "group_capab=0x%x", group_capab);
1067 if (addr) {
1068 os_memcpy(go_dev_addr, addr, ETH_ALEN);
1069 wpa_printf(MSG_DEBUG, "P2P: GO Device Address " MACSTR,
1070 MAC2STR(addr));
1071 } else
1072 os_memset(go_dev_addr, 0, ETH_ALEN);
1073 wpabuf_free(p2p);
1074
1075 wpa_printf(MSG_DEBUG, "P2P: BSS " MACSTR " group_capab=0x%x "
1076 "go_dev_addr=" MACSTR,
1077 MAC2STR(bssid), group_capab, MAC2STR(go_dev_addr));
1078
1079 return group_capab & P2P_GROUP_CAPAB_PERSISTENT_GROUP;
1080}
1081
1082
4b6baa2f
JMB		 1083static int wpas_p2p_store_persistent_group(struct wpa_supplicant *wpa_s,
1084 struct wpa_ssid *ssid,
1085 const u8 *go_dev_addr)
b22128ef
JM		 1086{
1087 struct wpa_ssid *s;
1088 int changed = 0;
1089
1090 wpa_printf(MSG_DEBUG, "P2P: Storing credentials for a persistent "
1091 "group (GO Dev Addr " MACSTR ")", MAC2STR(go_dev_addr));
1092 for (s = wpa_s->conf->ssid; s; s = s->next) {
1093 if (s->disabled == 2 &&
1094 os_memcmp(go_dev_addr, s->bssid, ETH_ALEN) == 0 &&
1095 s->ssid_len == ssid->ssid_len &&
1096 os_memcmp(ssid->ssid, s->ssid, ssid->ssid_len) == 0)
1097 break;
1098 }
1099
1100 if (s) {
1101 wpa_printf(MSG_DEBUG, "P2P: Update existing persistent group "
1102 "entry");
1103 if (ssid->passphrase && !s->passphrase)
1104 changed = 1;
1105 else if (ssid->passphrase && s->passphrase &&
1106 os_strcmp(ssid->passphrase, s->passphrase) != 0)
1107 changed = 1;
1108 } else {
1109 wpa_printf(MSG_DEBUG, "P2P: Create a new persistent group "
1110 "entry");
1111 changed = 1;
1112 s = wpa_config_add_network(wpa_s->conf);
1113 if (s == NULL)
4b6baa2f 1114 return -1;
c2762e41
JS		 1115
1116 /*
1117 * Instead of network_added we emit persistent_group_added
1118 * notification. Also to keep the defense checks in
1119 * persistent_group obj registration method, we set the
1120 * relevant flags in s to designate it as a persistent group.
1121 */
1122 s->p2p_group = 1;
1123 s->p2p_persistent_group = 1;
1124 wpas_notify_persistent_group_added(wpa_s, s);
b22128ef
JM		 1125 wpa_config_set_network_defaults(s);
1126 }
1127
1128 s->p2p_group = 1;
1129 s->p2p_persistent_group = 1;
1130 s->disabled = 2;
1131 s->bssid_set = 1;
1132 os_memcpy(s->bssid, go_dev_addr, ETH_ALEN);
1133 s->mode = ssid->mode;
1134 s->auth_alg = WPA_AUTH_ALG_OPEN;
1135 s->key_mgmt = WPA_KEY_MGMT_PSK;
1136 s->proto = WPA_PROTO_RSN;
1137 s->pairwise_cipher = WPA_CIPHER_CCMP;
d1c8ac88 1138 s->export_keys = 1;
b22128ef
JM		 1139 if (ssid->passphrase) {
1140 os_free(s->passphrase);
1141 s->passphrase = os_strdup(ssid->passphrase);
1142 }
1143 if (ssid->psk_set) {
1144 s->psk_set = 1;
1145 os_memcpy(s->psk, ssid->psk, 32);
1146 }
1147 if (s->passphrase && !s->psk_set)
1148 wpa_config_update_psk(s);
1149 if (s->ssid == NULL || s->ssid_len < ssid->ssid_len) {
1150 os_free(s->ssid);
1151 s->ssid = os_malloc(ssid->ssid_len);
1152 }
1153 if (s->ssid) {
1154 s->ssid_len = ssid->ssid_len;
1155 os_memcpy(s->ssid, ssid->ssid, s->ssid_len);
1156 }
01a57fe4
JM		 1157 if (ssid->mode == WPAS_MODE_P2P_GO && wpa_s->global->add_psk) {
1158 dl_list_add(&s->psk_list, &wpa_s->global->add_psk->list);
1159 wpa_s->global->add_psk = NULL;
1160 changed = 1;
1161 }
b22128ef 1162
b22128ef
JM		 1163 if (changed && wpa_s->conf->update_config &&
1164 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
1165 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
1166 }
4b6baa2f
JMB		 1167
1168 return s->id;
b22128ef
JM		 1169}
1170
1171
fbdcfd57
JM		 1172static void wpas_p2p_add_persistent_group_client(struct wpa_supplicant *wpa_s,
1173 const u8 *addr)
1174{
1175 struct wpa_ssid *ssid, *s;
1176 u8 *n;
1177 size_t i;
22316795 1178 int found = 0;
1e0a0294 1179 struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s;
fbdcfd57
JM		 1180
1181 ssid = wpa_s->current_ssid;
1182 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
1183 !ssid->p2p_persistent_group)
1184 return;
1185
1e0a0294 1186 for (s = p2p_wpa_s->conf->ssid; s; s = s->next) {
fbdcfd57
JM		 1187 if (s->disabled != 2 || s->mode != WPAS_MODE_P2P_GO)
1188 continue;
1189
1190 if (s->ssid_len == ssid->ssid_len &&
1191 os_memcmp(s->ssid, ssid->ssid, s->ssid_len) == 0)
1192 break;
1193 }
1194
1195 if (s == NULL)
1196 return;
1197
1198 for (i = 0; s->p2p_client_list && i < s->num_p2p_clients; i++) {
79cd993a 1199 if (os_memcmp(s->p2p_client_list + i * 2 * ETH_ALEN, addr,
22316795
JM		 1200 ETH_ALEN) != 0)
1201 continue;
1202
1203 if (i == s->num_p2p_clients - 1)
1204 return; /* already the most recent entry */
1205
1206 /* move the entry to mark it most recent */
79cd993a
ST		 1207 os_memmove(s->p2p_client_list + i * 2 * ETH_ALEN,
1208 s->p2p_client_list + (i + 1) * 2 * ETH_ALEN,
1209 (s->num_p2p_clients - i - 1) * 2 * ETH_ALEN);
22316795 1210 os_memcpy(s->p2p_client_list +
79cd993a
ST		 1211 (s->num_p2p_clients - 1) * 2 * ETH_ALEN, addr,
1212 ETH_ALEN);
1213 os_memset(s->p2p_client_list +
1214 (s->num_p2p_clients - 1) * 2 * ETH_ALEN + ETH_ALEN,
1215 0xff, ETH_ALEN);
22316795
JM		 1216 found = 1;
1217 break;
fbdcfd57
JM		 1218 }
1219
b4a5dfa9 1220 if (!found && s->num_p2p_clients < P2P_MAX_STORED_CLIENTS) {
22316795 1221 n = os_realloc_array(s->p2p_client_list,
79cd993a 1222 s->num_p2p_clients + 1, 2 * ETH_ALEN);
22316795
JM		 1223 if (n == NULL)
1224 return;
79cd993a
ST		 1225 os_memcpy(n + s->num_p2p_clients * 2 * ETH_ALEN, addr,
1226 ETH_ALEN);
1227 os_memset(n + s->num_p2p_clients * 2 * ETH_ALEN + ETH_ALEN,
1228 0xff, ETH_ALEN);
22316795
JM		 1229 s->p2p_client_list = n;
1230 s->num_p2p_clients++;
8931a36c 1231 } else if (!found && s->p2p_client_list) {
b4a5dfa9
JM		 1232 /* Not enough room for an additional entry - drop the oldest
1233 * entry */
1234 os_memmove(s->p2p_client_list,
79cd993a
ST		 1235 s->p2p_client_list + 2 * ETH_ALEN,
1236 (s->num_p2p_clients - 1) * 2 * ETH_ALEN);
b4a5dfa9 1237 os_memcpy(s->p2p_client_list +
79cd993a 1238 (s->num_p2p_clients - 1) * 2 * ETH_ALEN,
b4a5dfa9 1239 addr, ETH_ALEN);
79cd993a
ST		 1240 os_memset(s->p2p_client_list +
1241 (s->num_p2p_clients - 1) * 2 * ETH_ALEN + ETH_ALEN,
1242 0xff, ETH_ALEN);
22316795 1243 }
fbdcfd57 1244
1e0a0294
IP		 1245 if (p2p_wpa_s->conf->update_config &&
1246 wpa_config_write(p2p_wpa_s->confname, p2p_wpa_s->conf))
fbdcfd57 1247 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
fbdcfd57
JM		 1248}
1249
1250
f8723e1e
JM		 1251static void wpas_p2p_group_started(struct wpa_supplicant *wpa_s,
1252 int go, struct wpa_ssid *ssid, int freq,
1253 const u8 *psk, const char *passphrase,
1254 const u8 *go_dev_addr, int persistent,
1255 const char *extra)
1256{
1257 const char *ssid_txt;
1258 char psk_txt[65];
1259
1260 if (psk)
1261 wpa_snprintf_hex(psk_txt, sizeof(psk_txt), psk, 32);
1262 else
1263 psk_txt[0] = '\0';
1264
1265 if (ssid)
1266 ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len);
1267 else
1268 ssid_txt = "";
1269
1270 if (passphrase && passphrase[0] == '\0')
1271 passphrase = NULL;
1272
52f4abfd
JM		 1273 /*
1274 * Include PSK/passphrase only in the control interface message and
1275 * leave it out from the debug log entry.
1276 */
ba307f85 1277 wpa_msg_global_ctrl(wpa_s->p2pdev, MSG_INFO,
52f4abfd
JM		 1278 P2P_EVENT_GROUP_STARTED
1279 "%s %s ssid=\"%s\" freq=%d%s%s%s%s%s go_dev_addr="
1280 MACSTR "%s%s",
1281 wpa_s->ifname, go ? "GO" : "client", ssid_txt, freq,
1282 psk ? " psk=" : "", psk_txt,
1283 passphrase ? " passphrase=\"" : "",
1284 passphrase ? passphrase : "",
1285 passphrase ? "\"" : "",
1286 MAC2STR(go_dev_addr),
1287 persistent ? " [PERSISTENT]" : "", extra);
1288 wpa_printf(MSG_INFO, P2P_EVENT_GROUP_STARTED
1289 "%s %s ssid=\"%s\" freq=%d go_dev_addr=" MACSTR "%s%s",
1290 wpa_s->ifname, go ? "GO" : "client", ssid_txt, freq,
1291 MAC2STR(go_dev_addr), persistent ? " [PERSISTENT]" : "",
1292 extra);
f8723e1e
JM		 1293}
1294
1295
b22128ef 1296static void wpas_group_formation_completed(struct wpa_supplicant *wpa_s,
d95c5994 1297 int success, int already_deleted)
b22128ef
JM		 1298{
1299 struct wpa_ssid *ssid;
b22128ef
JM		 1300 int client;
1301 int persistent;
1302 u8 go_dev_addr[ETH_ALEN];
4b6baa2f 1303 int network_id = -1;
b22128ef
JM		 1304
1305 /*
1306 * This callback is likely called for the main interface. Update wpa_s
1307 * to use the group interface if a new interface was created for the
1308 * group.
1309 */
1310 if (wpa_s->global->p2p_group_formation)
1311 wpa_s = wpa_s->global->p2p_group_formation;
41f85323
JM		 1312 if (wpa_s->p2p_go_group_formation_completed) {
1313 wpa_s->global->p2p_group_formation = NULL;
1314 wpa_s->p2p_in_provisioning = 0;
1315 }
f05cee97 1316 wpa_s->p2p_in_invitation = 0;
61fc9048 1317 wpa_s->group_formation_reported = 1;
b22128ef
JM		 1318
1319 if (!success) {
ba307f85 1320 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
92c4465b 1321 P2P_EVENT_GROUP_FORMATION_FAILURE);
2a95fac9 1322 wpas_notify_p2p_group_formation_failure(wpa_s, "");
d95c5994
JM		 1323 if (already_deleted)
1324 return;
8dba4aef
JM		 1325 wpas_p2p_group_delete(wpa_s,
1326 P2P_GROUP_REMOVAL_FORMATION_FAILED);
b22128ef
JM		 1327 return;
1328 }
1329
ba307f85 1330 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
92c4465b 1331 P2P_EVENT_GROUP_FORMATION_SUCCESS);
b22128ef
JM		 1332
1333 ssid = wpa_s->current_ssid;
1334 if (ssid && ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
1335 ssid->mode = WPAS_MODE_P2P_GO;
1336 p2p_group_notif_formation_done(wpa_s->p2p_group);
1337 wpa_supplicant_ap_mac_addr_filter(wpa_s, NULL);
1338 }
1339
1340 persistent = 0;
1341 if (ssid) {
b22128ef
JM		 1342 client = ssid->mode == WPAS_MODE_INFRA;
1343 if (ssid->mode == WPAS_MODE_P2P_GO) {
1344 persistent = ssid->p2p_persistent_group;
d7e70476 1345 os_memcpy(go_dev_addr, wpa_s->global->p2p_dev_addr,
b22128ef
JM		 1346 ETH_ALEN);
1347 } else
1348 persistent = wpas_p2p_persistent_group(wpa_s,
1349 go_dev_addr,
1350 ssid->ssid,
1351 ssid->ssid_len);
1352 } else {
b22128ef
JM		 1353 client = wpa_s->p2p_group_interface ==
1354 P2P_GROUP_INTERFACE_CLIENT;
62c0d27e 1355 os_memset(go_dev_addr, 0, ETH_ALEN);
b22128ef
JM		 1356 }
1357
1358 wpa_s->show_group_started = 0;
1359 if (client) {
1360 /*
1361 * Indicate event only after successfully completed 4-way
1362 * handshake, i.e., when the interface is ready for data
1363 * packets.
1364 */
1365 wpa_s->show_group_started = 1;
b22128ef 1366 } else {
f8723e1e
JM		 1367 wpas_p2p_group_started(wpa_s, 1, ssid,
1368 ssid ? ssid->frequency : 0,
1369 ssid && ssid->passphrase == NULL &&
1370 ssid->psk_set ? ssid->psk : NULL,
1371 ssid ? ssid->passphrase : NULL,
1372 go_dev_addr, persistent, "");
72044390 1373 wpas_p2p_cross_connect_setup(wpa_s);
3071e181 1374 wpas_p2p_set_group_idle_timeout(wpa_s);
b22128ef
JM		 1375 }
1376
1377 if (persistent)
ba307f85 1378 network_id = wpas_p2p_store_persistent_group(wpa_s->p2pdev,
4b6baa2f 1379 ssid, go_dev_addr);
01a57fe4
JM		 1380 else {
1381 os_free(wpa_s->global->add_psk);
1382 wpa_s->global->add_psk = NULL;
1383 }
21fe9e75 1384 if (network_id < 0 && ssid)
4b6baa2f 1385 network_id = ssid->id;
c1c0b35f 1386 if (!client) {
4b6baa2f 1387 wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 0);
151ab808 1388 os_get_reltime(&wpa_s->global->p2p_go_wait_client);
c1c0b35f 1389 }
b22128ef
JM		 1390}
1391
1392
e05e1308
JM		 1393struct send_action_work {
1394 unsigned int freq;
1395 u8 dst[ETH_ALEN];
1396 u8 src[ETH_ALEN];
1397 u8 bssid[ETH_ALEN];
1398 size_t len;
1399 unsigned int wait_time;
1400 u8 buf[0];
1401};
1402
1403
e699a7a9
JM		 1404static void wpas_p2p_free_send_action_work(struct wpa_supplicant *wpa_s)
1405{
1406 struct send_action_work *awork = wpa_s->p2p_send_action_work->ctx;
1407
1408 wpa_printf(MSG_DEBUG,
1409 "P2P: Free Action frame radio work @%p (freq=%u dst="
1410 MACSTR " src=" MACSTR " bssid=" MACSTR " wait_time=%u)",
1411 wpa_s->p2p_send_action_work, awork->freq,
1412 MAC2STR(awork->dst), MAC2STR(awork->src),
1413 MAC2STR(awork->bssid), awork->wait_time);
1414 wpa_hexdump(MSG_DEBUG, "P2P: Freeing pending Action frame",
1415 awork->buf, awork->len);
1416 os_free(awork);
1417 wpa_s->p2p_send_action_work->ctx = NULL;
1418 radio_work_done(wpa_s->p2p_send_action_work);
1419 wpa_s->p2p_send_action_work = NULL;
1420}
1421
1422
e05e1308
JM		 1423static void wpas_p2p_send_action_work_timeout(void *eloop_ctx,
1424 void *timeout_ctx)
1425{
1426 struct wpa_supplicant *wpa_s = eloop_ctx;
1427
1428 if (!wpa_s->p2p_send_action_work)
1429 return;
1430
1431 wpa_printf(MSG_DEBUG, "P2P: Send Action frame radio work timed out");
e699a7a9 1432 wpas_p2p_free_send_action_work(wpa_s);
e05e1308
JM		 1433}
1434
1435
2fa980f0 1436static void wpas_p2p_action_tx_clear(struct wpa_supplicant *wpa_s)
534525ff 1437{
e05e1308
JM		 1438 if (wpa_s->p2p_send_action_work) {
1439 struct send_action_work *awork;
e699a7a9 1440
e05e1308 1441 awork = wpa_s->p2p_send_action_work->ctx;
e699a7a9
JM		 1442 wpa_printf(MSG_DEBUG,
1443 "P2P: Clear Action TX work @%p (wait_time=%u)",
1444 wpa_s->p2p_send_action_work, awork->wait_time);
e05e1308 1445 if (awork->wait_time == 0) {
e699a7a9 1446 wpas_p2p_free_send_action_work(wpa_s);
e05e1308
JM		 1447 } else {
1448 /*
1449 * In theory, this should not be needed, but number of
1450 * places in the P2P code is still using non-zero wait
1451 * time for the last Action frame in the sequence and
1452 * some of these do not call send_action_done().
1453 */
1454 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout,
1455 wpa_s, NULL);
1456 eloop_register_timeout(
1457 0, awork->wait_time * 1000,
1458 wpas_p2p_send_action_work_timeout,
1459 wpa_s, NULL);
1460 }
1461 }
2fa980f0
JJ		 1462}
1463
1464
1465static void wpas_p2p_send_action_tx_status(struct wpa_supplicant *wpa_s,
1466 unsigned int freq,
1467 const u8 *dst, const u8 *src,
1468 const u8 *bssid,
1469 const u8 *data, size_t data_len,
1470 enum offchannel_send_action_result
1471 result)
1472{
1473 enum p2p_send_action_result res = P2P_SEND_ACTION_SUCCESS;
1474
1475 wpas_p2p_action_tx_clear(wpa_s);
e05e1308 1476
9526fd29 1477 if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled)
b22128ef
JM		 1478 return;
1479
24f6497c
JM		 1480 switch (result) {
1481 case OFFCHANNEL_SEND_ACTION_SUCCESS:
1482 res = P2P_SEND_ACTION_SUCCESS;
1483 break;
1484 case OFFCHANNEL_SEND_ACTION_NO_ACK:
1485 res = P2P_SEND_ACTION_NO_ACK;
1486 break;
1487 case OFFCHANNEL_SEND_ACTION_FAILED:
1488 res = P2P_SEND_ACTION_FAILED;
1489 break;
b22128ef
JM		 1490 }
1491
24f6497c 1492 p2p_send_action_cb(wpa_s->global->p2p, freq, dst, src, bssid, res);
b22128ef 1493
f63b8542
JM		 1494 if (result != OFFCHANNEL_SEND_ACTION_SUCCESS &&
1495 wpa_s->pending_pd_before_join &&
24f6497c 1496 (os_memcmp(dst, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 ||
175171ac
JM		 1497 os_memcmp(dst, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0) &&
1498 wpa_s->p2p_fallback_to_go_neg) {
b22128ef 1499 wpa_s->pending_pd_before_join = 0;
175171ac
JM		 1500 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No ACK for PD Req "
1501 "during p2p_connect-auto");
ba307f85 1502 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
6b005121
JM		 1503 P2P_EVENT_FALLBACK_TO_GO_NEG
1504 "reason=no-ACK-to-PD-Req");
175171ac
JM		 1505 wpas_p2p_fallback_to_go_neg(wpa_s, 0);
1506 return;
b22128ef
JM		 1507 }
1508}
1509
1510
e05e1308
JM		 1511static void wpas_send_action_cb(struct wpa_radio_work *work, int deinit)
1512{
1513 struct wpa_supplicant *wpa_s = work->wpa_s;
1514 struct send_action_work *awork = work->ctx;
1515
1516 if (deinit) {
b3253ebb
AO		 1517 if (work->started) {
1518 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout,
1519 wpa_s, NULL);
1520 wpa_s->p2p_send_action_work = NULL;
1521 offchannel_send_action_done(wpa_s);
1522 }
e05e1308
JM		 1523 os_free(awork);
1524 return;
1525 }
1526
1527 if (offchannel_send_action(wpa_s, awork->freq, awork->dst, awork->src,
1528 awork->bssid, awork->buf, awork->len,
1529 awork->wait_time,
1530 wpas_p2p_send_action_tx_status, 1) < 0) {
1531 os_free(awork);
1532 radio_work_done(work);
1533 return;
1534 }
1535 wpa_s->p2p_send_action_work = work;
1536}
1537
1538
1539static int wpas_send_action_work(struct wpa_supplicant *wpa_s,
1540 unsigned int freq, const u8 *dst,
1541 const u8 *src, const u8 *bssid, const u8 *buf,
1542 size_t len, unsigned int wait_time)
1543{
1544 struct send_action_work *awork;
1545
1546 if (wpa_s->p2p_send_action_work) {
1547 wpa_printf(MSG_DEBUG, "P2P: Cannot schedule new p2p-send-action work since one is already pending");
1548 return -1;
1549 }
1550
1551 awork = os_zalloc(sizeof(*awork) + len);
1552 if (awork == NULL)
1553 return -1;
1554
1555 awork->freq = freq;
1556 os_memcpy(awork->dst, dst, ETH_ALEN);
1557 os_memcpy(awork->src, src, ETH_ALEN);
1558 os_memcpy(awork->bssid, bssid, ETH_ALEN);
1559 awork->len = len;
1560 awork->wait_time = wait_time;
1561 os_memcpy(awork->buf, buf, len);
1562
1563 if (radio_add_work(wpa_s, freq, "p2p-send-action", 0,
1564 wpas_send_action_cb, awork) < 0) {
1565 os_free(awork);
1566 return -1;
1567 }
1568
1569 return 0;
1570}
1571
1572
b22128ef
JM		 1573static int wpas_send_action(void *ctx, unsigned int freq, const u8 *dst,
1574 const u8 *src, const u8 *bssid, const u8 *buf,
1575 size_t len, unsigned int wait_time)
1576{
1577 struct wpa_supplicant *wpa_s = ctx;
e05e1308
JM		 1578 int listen_freq = -1, send_freq = -1;
1579
1580 if (wpa_s->p2p_listen_work)
1581 listen_freq = wpa_s->p2p_listen_work->freq;
1582 if (wpa_s->p2p_send_action_work)
1583 send_freq = wpa_s->p2p_send_action_work->freq;
1584 if (listen_freq != (int) freq && send_freq != (int) freq) {
1585 wpa_printf(MSG_DEBUG, "P2P: Schedule new radio work for Action frame TX (listen_freq=%d send_freq=%d)",
1586 listen_freq, send_freq);
1587 return wpas_send_action_work(wpa_s, freq, dst, src, bssid, buf,
1588 len, wait_time);
1589 }
1590
1591 wpa_printf(MSG_DEBUG, "P2P: Use ongoing radio work for Action frame TX");
24f6497c
JM		 1592 return offchannel_send_action(wpa_s, freq, dst, src, bssid, buf, len,
1593 wait_time,
b106173a 1594 wpas_p2p_send_action_tx_status, 1);
b22128ef
JM		 1595}
1596
1597
1598static void wpas_send_action_done(void *ctx)
1599{
1600 struct wpa_supplicant *wpa_s = ctx;
e05e1308
JM		 1601
1602 if (wpa_s->p2p_send_action_work) {
1603 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout,
1604 wpa_s, NULL);
1605 os_free(wpa_s->p2p_send_action_work->ctx);
1606 radio_work_done(wpa_s->p2p_send_action_work);
1607 wpa_s->p2p_send_action_work = NULL;
1608 }
1609
24f6497c 1610 offchannel_send_action_done(wpa_s);
b22128ef
JM		 1611}
1612
1613
1614static int wpas_copy_go_neg_results(struct wpa_supplicant *wpa_s,
1615 struct p2p_go_neg_results *params)
1616{
1617 if (wpa_s->go_params == NULL) {
1618 wpa_s->go_params = os_malloc(sizeof(*params));
1619 if (wpa_s->go_params == NULL)
1620 return -1;
1621 }
1622 os_memcpy(wpa_s->go_params, params, sizeof(*params));
1623 return 0;
1624}
1625
1626
1627static void wpas_start_wps_enrollee(struct wpa_supplicant *wpa_s,
1628 struct p2p_go_neg_results *res)
1629{
61fc9048 1630 wpa_s->group_formation_reported = 0;
23318bea 1631 wpa_printf(MSG_DEBUG, "P2P: Start WPS Enrollee for peer " MACSTR
8e9f53c3 1632 " dev_addr " MACSTR " wps_method %d",
23318bea 1633 MAC2STR(res->peer_interface_addr),
8e9f53c3 1634 MAC2STR(res->peer_device_addr), res->wps_method);
e9a7ae41
JM		 1635 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Start WPS Enrollee for SSID",
1636 res->ssid, res->ssid_len);
b22128ef
JM		 1637 wpa_supplicant_ap_deinit(wpa_s);
1638 wpas_copy_go_neg_results(wpa_s, res);
db6ae69e 1639 if (res->wps_method == WPS_PBC) {
3b29972c 1640 wpas_wps_start_pbc(wpa_s, res->peer_interface_addr, 1);
db6ae69e
JM		 1641#ifdef CONFIG_WPS_NFC
1642 } else if (res->wps_method == WPS_NFC) {
23318bea
JM		 1643 wpas_wps_start_nfc(wpa_s, res->peer_device_addr,
1644 res->peer_interface_addr,
ba307f85
LD		 1645 wpa_s->p2pdev->p2p_oob_dev_pw,
1646 wpa_s->p2pdev->p2p_oob_dev_pw_id, 1,
1647 wpa_s->p2pdev->p2p_oob_dev_pw_id ==
db6ae69e 1648 DEV_PW_NFC_CONNECTION_HANDOVER ?
ba307f85 1649 wpa_s->p2pdev->p2p_peer_oob_pubkey_hash :
db6ae69e 1650 NULL,
91a65018 1651 NULL, 0, 0);
db6ae69e
JM		 1652#endif /* CONFIG_WPS_NFC */
1653 } else {
3c5126a4 1654 u16 dev_pw_id = DEV_PW_DEFAULT;
4f88fc04
BG		 1655 if (wpa_s->p2p_wps_method == WPS_P2PS)
1656 dev_pw_id = DEV_PW_P2PS_DEFAULT;
3c5126a4
JM		 1657 if (wpa_s->p2p_wps_method == WPS_PIN_KEYPAD)
1658 dev_pw_id = DEV_PW_REGISTRAR_SPECIFIED;
b22128ef 1659 wpas_wps_start_pin(wpa_s, res->peer_interface_addr,
3c5126a4
JM		 1660 wpa_s->p2p_pin, 1, dev_pw_id);
1661 }
b22128ef
JM		 1662}
1663
1664
01a57fe4
JM		 1665static void wpas_p2p_add_psk_list(struct wpa_supplicant *wpa_s,
1666 struct wpa_ssid *ssid)
1667{
1668 struct wpa_ssid *persistent;
1669 struct psk_list_entry *psk;
1670 struct hostapd_data *hapd;
1671
1672 if (!wpa_s->ap_iface)
1673 return;
1674
ba307f85 1675 persistent = wpas_p2p_get_persistent(wpa_s->p2pdev, NULL, ssid->ssid,
01a57fe4
JM		 1676 ssid->ssid_len);
1677 if (persistent == NULL)
1678 return;
1679
1680 hapd = wpa_s->ap_iface->bss[0];
1681
1682 dl_list_for_each(psk, &persistent->psk_list, struct psk_list_entry,
1683 list) {
1684 struct hostapd_wpa_psk *hpsk;
1685
1686 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Add persistent group PSK entry for "
1687 MACSTR " psk=%d",
1688 MAC2STR(psk->addr), psk->p2p);
1689 hpsk = os_zalloc(sizeof(*hpsk));
1690 if (hpsk == NULL)
1691 break;
1692 os_memcpy(hpsk->psk, psk->psk, PMK_LEN);
1693 if (psk->p2p)
1694 os_memcpy(hpsk->p2p_dev_addr, psk->addr, ETH_ALEN);
1695 else
1696 os_memcpy(hpsk->addr, psk->addr, ETH_ALEN);
1697 hpsk->next = hapd->conf->ssid.wpa_psk;
1698 hapd->conf->ssid.wpa_psk = hpsk;
1699 }
1700}
1701
1702
20beb96f
IP		 1703static void p2p_go_dump_common_freqs(struct wpa_supplicant *wpa_s)
1704{
1705 unsigned int i;
1706
1707 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Common group frequencies (len=%u):",
1708 wpa_s->p2p_group_common_freqs_num);
1709
1710 for (i = 0; i < wpa_s->p2p_group_common_freqs_num; i++)
1711 wpa_dbg(wpa_s, MSG_DEBUG, "freq[%u]: %d",
1712 i, wpa_s->p2p_group_common_freqs[i]);
1713}
1714
1715
1716static void p2p_go_save_group_common_freqs(struct wpa_supplicant *wpa_s,
1717 struct p2p_go_neg_results *params)
1718{
1719 unsigned int i, len = int_array_len(wpa_s->go_params->freq_list);
1720
1721 wpa_s->p2p_group_common_freqs_num = 0;
1722 os_free(wpa_s->p2p_group_common_freqs);
1723 wpa_s->p2p_group_common_freqs = os_calloc(len, sizeof(int));
1724 if (!wpa_s->p2p_group_common_freqs)
1725 return;
1726
1727 for (i = 0; i < len; i++) {
1728 if (!wpa_s->go_params->freq_list[i])
1729 break;
1730 wpa_s->p2p_group_common_freqs[i] =
1731 wpa_s->go_params->freq_list[i];
1732 }
1733 wpa_s->p2p_group_common_freqs_num = i;
1734}
1735
1736
895d94de
KV		 1737static void p2p_config_write(struct wpa_supplicant *wpa_s)
1738{
1739#ifndef CONFIG_NO_CONFIG_WRITE
ba307f85
LD		 1740 if (wpa_s->p2pdev->conf->update_config &&
1741 wpa_config_write(wpa_s->p2pdev->confname, wpa_s->p2pdev->conf))
895d94de
KV		 1742 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
1743#endif /* CONFIG_NO_CONFIG_WRITE */
1744}
1745
1746
b22128ef
JM		 1747static void p2p_go_configured(void *ctx, void *data)
1748{
1749 struct wpa_supplicant *wpa_s = ctx;
1750 struct p2p_go_neg_results *params = data;
1751 struct wpa_ssid *ssid;
4b6baa2f 1752 int network_id = -1;
b22128ef 1753
dd895e99
JM		 1754 wpa_s->ap_configured_cb = NULL;
1755 wpa_s->ap_configured_cb_ctx = NULL;
1756 wpa_s->ap_configured_cb_data = NULL;
1757 if (!wpa_s->go_params) {
1758 wpa_printf(MSG_ERROR,
1759 "P2P: p2p_go_configured() called with wpa_s->go_params == NULL");
1760 return;
1761 }
1762
20beb96f
IP		 1763 p2p_go_save_group_common_freqs(wpa_s, params);
1764 p2p_go_dump_common_freqs(wpa_s);
1765
b22128ef
JM		 1766 ssid = wpa_s->current_ssid;
1767 if (ssid && ssid->mode == WPAS_MODE_P2P_GO) {
1768 wpa_printf(MSG_DEBUG, "P2P: Group setup without provisioning");
d1b024c9
JM		 1769 if (wpa_s->global->p2p_group_formation == wpa_s)
1770 wpa_s->global->p2p_group_formation = NULL;
f8723e1e
JM		 1771 wpas_p2p_group_started(wpa_s, 1, ssid, ssid->frequency,
1772 params->passphrase[0] == '\0' ?
1773 params->psk : NULL,
1774 params->passphrase,
1775 wpa_s->global->p2p_dev_addr,
1776 params->persistent_group, "");
61fc9048 1777 wpa_s->group_formation_reported = 1;
4b6baa2f 1778
ba307f85
LD		 1779 if (wpa_s->p2pdev->p2ps_method_config_any) {
1780 if (is_zero_ether_addr(wpa_s->p2pdev->p2ps_join_addr)) {
b9da88d6
AO		 1781 wpa_dbg(wpa_s, MSG_DEBUG,
1782 "P2PS: Setting default PIN for ANY");
1783 wpa_supplicant_ap_wps_pin(wpa_s, NULL,
1784 "12345670", NULL, 0,
1785 0);
1786 } else {
1787 wpa_dbg(wpa_s, MSG_DEBUG,
1788 "P2PS: Setting default PIN for " MACSTR,
ba307f85 1789 MAC2STR(wpa_s->p2pdev->p2ps_join_addr));
b9da88d6 1790 wpa_supplicant_ap_wps_pin(
ba307f85 1791 wpa_s, wpa_s->p2pdev->p2ps_join_addr,
b9da88d6
AO		 1792 "12345670", NULL, 0, 0);
1793 }
ba307f85 1794 wpa_s->p2pdev->p2ps_method_config_any = 0;
306aaf49
KV		 1795 }
1796
151ab808 1797 os_get_reltime(&wpa_s->global->p2p_go_wait_client);
01a57fe4 1798 if (params->persistent_group) {
4b6baa2f 1799 network_id = wpas_p2p_store_persistent_group(
ba307f85 1800 wpa_s->p2pdev, ssid,
d7e70476 1801 wpa_s->global->p2p_dev_addr);
01a57fe4
JM		 1802 wpas_p2p_add_psk_list(wpa_s, ssid);
1803 }
4b6baa2f
JMB		 1804 if (network_id < 0)
1805 network_id = ssid->id;
1806 wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 0);
72044390 1807 wpas_p2p_cross_connect_setup(wpa_s);
3071e181 1808 wpas_p2p_set_group_idle_timeout(wpa_s);
bbc6c729
JM		 1809
1810 if (wpa_s->p2p_first_connection_timeout) {
1811 wpa_dbg(wpa_s, MSG_DEBUG,
1812 "P2P: Start group formation timeout of %d seconds until first data connection on GO",
1813 wpa_s->p2p_first_connection_timeout);
1814 wpa_s->p2p_go_group_formation_completed = 0;
1815 wpa_s->global->p2p_group_formation = wpa_s;
1816 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 1817 wpa_s->p2pdev, NULL);
bbc6c729
JM		 1818 eloop_register_timeout(
1819 wpa_s->p2p_first_connection_timeout, 0,
1820 wpas_p2p_group_formation_timeout,
ba307f85 1821 wpa_s->p2pdev, NULL);
bbc6c729
JM		 1822 }
1823
b22128ef
JM		 1824 return;
1825 }
1826
1827 wpa_printf(MSG_DEBUG, "P2P: Setting up WPS for GO provisioning");
1828 if (wpa_supplicant_ap_mac_addr_filter(wpa_s,
1829 params->peer_interface_addr)) {
1830 wpa_printf(MSG_DEBUG, "P2P: Failed to setup MAC address "
1831 "filtering");
1832 return;
1833 }
db6ae69e 1834 if (params->wps_method == WPS_PBC) {
d601247c 1835 wpa_supplicant_ap_wps_pbc(wpa_s, params->peer_interface_addr,
c3daaf33 1836 params->peer_device_addr);
db6ae69e
JM		 1837#ifdef CONFIG_WPS_NFC
1838 } else if (params->wps_method == WPS_NFC) {
ba307f85 1839 if (wpa_s->p2pdev->p2p_oob_dev_pw_id !=
db6ae69e 1840 DEV_PW_NFC_CONNECTION_HANDOVER &&
ba307f85 1841 !wpa_s->p2pdev->p2p_oob_dev_pw) {
db6ae69e
JM		 1842 wpa_printf(MSG_DEBUG, "P2P: No NFC Dev Pw known");
1843 return;
1844 }
1845 wpas_ap_wps_add_nfc_pw(
ba307f85
LD		 1846 wpa_s, wpa_s->p2pdev->p2p_oob_dev_pw_id,
1847 wpa_s->p2pdev->p2p_oob_dev_pw,
1848 wpa_s->p2pdev->p2p_peer_oob_pk_hash_known ?
1849 wpa_s->p2pdev->p2p_peer_oob_pubkey_hash : NULL);
db6ae69e
JM		 1850#endif /* CONFIG_WPS_NFC */
1851 } else if (wpa_s->p2p_pin[0])
b22128ef 1852 wpa_supplicant_ap_wps_pin(wpa_s, params->peer_interface_addr,
c423708f 1853 wpa_s->p2p_pin, NULL, 0, 0);
b22128ef
JM		 1854 os_free(wpa_s->go_params);
1855 wpa_s->go_params = NULL;
1856}
1857
1858
1859static void wpas_start_wps_go(struct wpa_supplicant *wpa_s,
1860 struct p2p_go_neg_results *params,
1861 int group_formation)
1862{
1863 struct wpa_ssid *ssid;
1864
ac06fb12
JM		 1865 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Starting GO");
1866 if (wpas_copy_go_neg_results(wpa_s, params) < 0) {
1867 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not copy GO Negotiation "
1868 "results");
b22128ef 1869 return;
ac06fb12 1870 }
b22128ef
JM		 1871
1872 ssid = wpa_config_add_network(wpa_s->conf);
ac06fb12
JM		 1873 if (ssid == NULL) {
1874 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not add network for GO");
b22128ef 1875 return;
ac06fb12 1876 }
b22128ef 1877
a9e02d59 1878 wpa_s->show_group_started = 0;
58b40fdb 1879 wpa_s->p2p_go_group_formation_completed = 0;
61fc9048 1880 wpa_s->group_formation_reported = 0;
9f59fe8d 1881 os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
a9e02d59 1882
b22128ef
JM		 1883 wpa_config_set_network_defaults(ssid);
1884 ssid->temporary = 1;
1885 ssid->p2p_group = 1;
1886 ssid->p2p_persistent_group = params->persistent_group;
1887 ssid->mode = group_formation ? WPAS_MODE_P2P_GROUP_FORMATION :
1888 WPAS_MODE_P2P_GO;
1889 ssid->frequency = params->freq;
7aeac985 1890 ssid->ht40 = params->ht40;
20ea1ca4 1891 ssid->vht = params->vht;
c27f4c90
AK		 1892 ssid->max_oper_chwidth = params->max_oper_chwidth;
1893 ssid->vht_center_freq2 = params->vht_center_freq2;
b22128ef
JM		 1894 ssid->ssid = os_zalloc(params->ssid_len + 1);
1895 if (ssid->ssid) {
1896 os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
1897 ssid->ssid_len = params->ssid_len;
1898 }
1899 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
1900 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
1901 ssid->proto = WPA_PROTO_RSN;
1902 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
d77419d2
AM		 1903 ssid->group_cipher = WPA_CIPHER_CCMP;
1904 if (params->freq > 56160) {
1905 /*
1906 * Enable GCMP instead of CCMP as pairwise_cipher and
1907 * group_cipher in 60 GHz.
1908 */
1909 ssid->pairwise_cipher = WPA_CIPHER_GCMP;
1910 ssid->group_cipher = WPA_CIPHER_GCMP;
b9074912
LD		 1911 /* P2P GO in 60 GHz is always a PCP (PBSS) */
1912 ssid->pbss = 1;
d77419d2 1913 }
bb4d4deb
MH		 1914 if (os_strlen(params->passphrase) > 0) {
1915 ssid->passphrase = os_strdup(params->passphrase);
1916 if (ssid->passphrase == NULL) {
92c4465b
JM		 1917 wpa_msg_global(wpa_s, MSG_ERROR,
1918 "P2P: Failed to copy passphrase for GO");
bb4d4deb
MH		 1919 wpa_config_remove_network(wpa_s->conf, ssid->id);
1920 return;
1921 }
1922 } else
1923 ssid->passphrase = NULL;
30c371e8
MH		 1924 ssid->psk_set = params->psk_set;
1925 if (ssid->psk_set)
1926 os_memcpy(ssid->psk, params->psk, sizeof(ssid->psk));
6350a148 1927 else if (ssid->passphrase)
30c371e8 1928 wpa_config_update_psk(ssid);
ba307f85 1929 ssid->ap_max_inactivity = wpa_s->p2pdev->conf->p2p_go_max_inactivity;
b22128ef
JM		 1930
1931 wpa_s->ap_configured_cb = p2p_go_configured;
1932 wpa_s->ap_configured_cb_ctx = wpa_s;
1933 wpa_s->ap_configured_cb_data = wpa_s->go_params;
3e66f789 1934 wpa_s->scan_req = NORMAL_SCAN_REQ;
7dcdcfd6 1935 wpa_s->connect_without_scan = ssid;
b22128ef
JM		 1936 wpa_s->reassociate = 1;
1937 wpa_s->disconnected = 0;
ac06fb12
JM		 1938 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Request scan (that will be skipped) to "
1939 "start GO)");
b22128ef
JM		 1940 wpa_supplicant_req_scan(wpa_s, 0, 0);
1941}
1942
1943
1944static void wpas_p2p_clone_config(struct wpa_supplicant *dst,
1945 const struct wpa_supplicant *src)
1946{
1947 struct wpa_config *d;
1948 const struct wpa_config *s;
1949
1950 d = dst->conf;
1951 s = src->conf;
1952
1953#define C(n) if (s->n) d->n = os_strdup(s->n)
1954 C(device_name);
1955 C(manufacturer);
1956 C(model_name);
1957 C(model_number);
1958 C(serial_number);
b22128ef
JM		 1959 C(config_methods);
1960#undef C
3071e181 1961
2f646b6e
JB		 1962 os_memcpy(d->device_type, s->device_type, WPS_DEV_TYPE_LEN);
1963 os_memcpy(d->sec_device_type, s->sec_device_type,
1964 sizeof(d->sec_device_type));
1965 d->num_sec_device_types = s->num_sec_device_types;
1966
3071e181 1967 d->p2p_group_idle = s->p2p_group_idle;
1a471ff0 1968 d->p2p_go_freq_change_policy = s->p2p_go_freq_change_policy;
b029bd33 1969 d->p2p_intra_bss = s->p2p_intra_bss;
acc247b2 1970 d->persistent_reconnect = s->persistent_reconnect;
f571b593 1971 d->max_num_sta = s->max_num_sta;
1298c145 1972 d->pbc_in_m1 = s->pbc_in_m1;
4342326f 1973 d->ignore_old_scan_res = s->ignore_old_scan_res;
41b1a76a 1974 d->beacon_int = s->beacon_int;
f62a3c2f 1975 d->dtim_period = s->dtim_period;
0b8bcaa5 1976 d->p2p_go_ctwindow = s->p2p_go_ctwindow;
5046eb4e 1977 d->disassoc_low_ack = s->disassoc_low_ack;
f22f274b 1978 d->disable_scan_offload = s->disable_scan_offload;
c35e35ed 1979 d->passive_scan = s->passive_scan;
86e32081
JM		 1980
1981 if (s->wps_nfc_dh_privkey && s->wps_nfc_dh_pubkey) {
1982 d->wps_nfc_dh_privkey = wpabuf_dup(s->wps_nfc_dh_privkey);
1983 d->wps_nfc_dh_pubkey = wpabuf_dup(s->wps_nfc_dh_pubkey);
1984 }
07c1e987 1985 d->p2p_cli_probe = s->p2p_cli_probe;
b22128ef
JM		 1986}
1987
1988
96a26ab7
LD		 1989static void wpas_p2p_clone_config_dh(struct wpa_supplicant *dst,
1990 const struct wpa_supplicant *src)
1991{
1992 struct wpa_config *d;
1993 const struct wpa_config *s;
1994
1995 d = dst->conf;
1996 s = src->conf;
1997
1998 if (s->wps_nfc_dh_privkey && s->wps_nfc_dh_pubkey &&
1999 !d->wps_nfc_dh_privkey && !d->wps_nfc_dh_pubkey) {
2000 d->wps_nfc_dh_privkey = wpabuf_dup(s->wps_nfc_dh_privkey);
2001 d->wps_nfc_dh_pubkey = wpabuf_dup(s->wps_nfc_dh_pubkey);
2002 }
2003}
2004
2005
2e5ba4b6
AS		 2006static void wpas_p2p_get_group_ifname(struct wpa_supplicant *wpa_s,
2007 char *ifname, size_t len)
2008{
2009 char *ifname_ptr = wpa_s->ifname;
2010
2011 if (os_strncmp(wpa_s->ifname, P2P_MGMT_DEVICE_PREFIX,
2012 os_strlen(P2P_MGMT_DEVICE_PREFIX)) == 0) {
2013 ifname_ptr = os_strrchr(wpa_s->ifname, '-') + 1;
2014 }
2015
2016 os_snprintf(ifname, len, "p2p-%s-%d", ifname_ptr, wpa_s->p2p_group_idx);
2017 if (os_strlen(ifname) >= IFNAMSIZ &&
2018 os_strlen(wpa_s->ifname) < IFNAMSIZ) {
1d399771
JM		 2019 int res;
2020
2e5ba4b6 2021 /* Try to avoid going over the IFNAMSIZ length limit */
1d399771
JM		 2022 res = os_snprintf(ifname, len, "p2p-%d", wpa_s->p2p_group_idx);
2023 if (os_snprintf_error(len, res) && len)
2024 ifname[len - 1] = '\0';
2e5ba4b6
AS		 2025 }
2026}
2027
2028
b22128ef
JM		 2029static int wpas_p2p_add_group_interface(struct wpa_supplicant *wpa_s,
2030 enum wpa_driver_if_type type)
2031{
2032 char ifname[120], force_ifname[120];
2033
2034 if (wpa_s->pending_interface_name[0]) {
2035 wpa_printf(MSG_DEBUG, "P2P: Pending virtual interface exists "
2036 "- skip creation of a new one");
2037 if (is_zero_ether_addr(wpa_s->pending_interface_addr)) {
2038 wpa_printf(MSG_DEBUG, "P2P: Pending virtual address "
2039 "unknown?! ifname='%s'",
2040 wpa_s->pending_interface_name);
2041 return -1;
2042 }
2043 return 0;
2044 }
2045
2e5ba4b6 2046 wpas_p2p_get_group_ifname(wpa_s, ifname, sizeof(ifname));
b22128ef
JM		 2047 force_ifname[0] = '\0';
2048
2049 wpa_printf(MSG_DEBUG, "P2P: Create a new interface %s for the group",
2050 ifname);
2051 wpa_s->p2p_group_idx++;
2052
2053 wpa_s->pending_interface_type = type;
2054 if (wpa_drv_if_add(wpa_s, type, ifname, NULL, NULL, force_ifname,
e17a2477 2055 wpa_s->pending_interface_addr, NULL) < 0) {
b22128ef
JM		 2056 wpa_printf(MSG_ERROR, "P2P: Failed to create new group "
2057 "interface");
2058 return -1;
2059 }
2060
2061 if (force_ifname[0]) {
2062 wpa_printf(MSG_DEBUG, "P2P: Driver forced interface name %s",
2063 force_ifname);
2064 os_strlcpy(wpa_s->pending_interface_name, force_ifname,
2065 sizeof(wpa_s->pending_interface_name));
2066 } else
2067 os_strlcpy(wpa_s->pending_interface_name, ifname,
2068 sizeof(wpa_s->pending_interface_name));
2069 wpa_printf(MSG_DEBUG, "P2P: Created pending virtual interface %s addr "
2070 MACSTR, wpa_s->pending_interface_name,
2071 MAC2STR(wpa_s->pending_interface_addr));
2072
2073 return 0;
2074}
2075
2076
2077static void wpas_p2p_remove_pending_group_interface(
2078 struct wpa_supplicant *wpa_s)
2079{
2080 if (!wpa_s->pending_interface_name[0] ||
2081 is_zero_ether_addr(wpa_s->pending_interface_addr))
2082 return; /* No pending virtual interface */
2083
2084 wpa_printf(MSG_DEBUG, "P2P: Removing pending group interface %s",
2085 wpa_s->pending_interface_name);
2086 wpa_drv_if_remove(wpa_s, wpa_s->pending_interface_type,
2087 wpa_s->pending_interface_name);
2088 os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
2089 wpa_s->pending_interface_name[0] = '\0';
93eca615 2090 wpa_s->global->pending_group_iface_for_p2ps = 0;
b22128ef
JM		 2091}
2092
2093
2094static struct wpa_supplicant *
2095wpas_p2p_init_group_interface(struct wpa_supplicant *wpa_s, int go)
2096{
2097 struct wpa_interface iface;
2098 struct wpa_supplicant *group_wpa_s;
2099
2100 if (!wpa_s->pending_interface_name[0]) {
2101 wpa_printf(MSG_ERROR, "P2P: No pending group interface");
d75e8806
JM		 2102 if (!wpas_p2p_create_iface(wpa_s))
2103 return NULL;
2104 /*
2105 * Something has forced us to remove the pending interface; try
2106 * to create a new one and hope for the best that we will get
2107 * the same local address.
2108 */
2109 if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO :
2110 WPA_IF_P2P_CLIENT) < 0)
2111 return NULL;
b22128ef
JM		 2112 }
2113
2114 os_memset(&iface, 0, sizeof(iface));
2115 iface.ifname = wpa_s->pending_interface_name;
2116 iface.driver = wpa_s->driver->name;
78f79fe5
JM		 2117 if (wpa_s->conf->ctrl_interface == NULL &&
2118 wpa_s->parent != wpa_s &&
2119 wpa_s->p2p_mgmt &&
2120 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE))
2121 iface.ctrl_interface = wpa_s->parent->conf->ctrl_interface;
2122 else
2123 iface.ctrl_interface = wpa_s->conf->ctrl_interface;
b22128ef 2124 iface.driver_param = wpa_s->conf->driver_param;
1772d348 2125 group_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface, wpa_s);
b22128ef
JM		 2126 if (group_wpa_s == NULL) {
2127 wpa_printf(MSG_ERROR, "P2P: Failed to create new "
2128 "wpa_supplicant interface");
2129 return NULL;
2130 }
2131 wpa_s->pending_interface_name[0] = '\0';
b22128ef
JM		 2132 group_wpa_s->p2p_group_interface = go ? P2P_GROUP_INTERFACE_GO :
2133 P2P_GROUP_INTERFACE_CLIENT;
2134 wpa_s->global->p2p_group_formation = group_wpa_s;
93eca615 2135 wpa_s->global->pending_group_iface_for_p2ps = 0;
b22128ef
JM		 2136
2137 wpas_p2p_clone_config(group_wpa_s, wpa_s);
2138
2139 return group_wpa_s;
2140}
2141
2142
2143static void wpas_p2p_group_formation_timeout(void *eloop_ctx,
2144 void *timeout_ctx)
2145{
2146 struct wpa_supplicant *wpa_s = eloop_ctx;
2147 wpa_printf(MSG_DEBUG, "P2P: Group Formation timed out");
d95c5994 2148 wpas_p2p_group_formation_failed(wpa_s, 0);
1075b295
JM		 2149}
2150
2151
d95c5994
JM		 2152static void wpas_p2p_group_formation_failed(struct wpa_supplicant *wpa_s,
2153 int already_deleted)
1075b295
JM		 2154{
2155 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 2156 wpa_s->p2pdev, NULL);
b22128ef
JM		 2157 if (wpa_s->global->p2p)
2158 p2p_group_formation_failed(wpa_s->global->p2p);
d95c5994 2159 wpas_group_formation_completed(wpa_s, 0, already_deleted);
b22128ef
JM		 2160}
2161
2162
95fb2db2
JM		 2163static void wpas_p2p_grpform_fail_after_wps(struct wpa_supplicant *wpa_s)
2164{
2165 wpa_printf(MSG_DEBUG, "P2P: Reject group formation due to WPS provisioning failure");
2166 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 2167 wpa_s->p2pdev, NULL);
95fb2db2 2168 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout,
ba307f85 2169 wpa_s->p2pdev, NULL);
95fb2db2
JM		 2170 wpa_s->global->p2p_fail_on_wps_complete = 0;
2171}
2172
2173
b2b688d1
VKE		 2174void wpas_p2p_ap_setup_failed(struct wpa_supplicant *wpa_s)
2175{
2176 if (wpa_s->global->p2p_group_formation != wpa_s)
2177 return;
2178 /* Speed up group formation timeout since this cannot succeed */
2179 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 2180 wpa_s->p2pdev, NULL);
b2b688d1 2181 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout,
ba307f85 2182 wpa_s->p2pdev, NULL);
b2b688d1
VKE		 2183}
2184
2185
152cff6b 2186static void wpas_go_neg_completed(void *ctx, struct p2p_go_neg_results *res)
b22128ef
JM		 2187{
2188 struct wpa_supplicant *wpa_s = ctx;
96a26ab7 2189 struct wpa_supplicant *group_wpa_s;
b22128ef 2190
8eada5ca 2191 if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
b22128ef
JM		 2192 wpa_drv_cancel_remain_on_channel(wpa_s);
2193 wpa_s->off_channel_freq = 0;
07a30a66 2194 wpa_s->roc_waiting_drv_freq = 0;
b22128ef
JM		 2195 }
2196
2197 if (res->status) {
92c4465b
JM		 2198 wpa_msg_global(wpa_s, MSG_INFO,
2199 P2P_EVENT_GO_NEG_FAILURE "status=%d",
2200 res->status);
e5a359cf 2201 wpas_notify_p2p_go_neg_completed(wpa_s, res);
b22128ef
JM		 2202 wpas_p2p_remove_pending_group_interface(wpa_s);
2203 return;
2204 }
2205
7c813acf
AK		 2206 if (!res->role_go) {
2207 /* Inform driver of the operating channel of GO. */
2208 wpa_drv_set_prob_oper_freq(wpa_s, res->freq);
2209 }
2210
e2308e4b
RM		 2211 if (wpa_s->p2p_go_ht40)
2212 res->ht40 = 1;
20ea1ca4
EP		 2213 if (wpa_s->p2p_go_vht)
2214 res->vht = 1;
c27f4c90
AK		 2215 res->max_oper_chwidth = wpa_s->p2p_go_max_oper_chwidth;
2216 res->vht_center_freq2 = wpa_s->p2p_go_vht_center_freq2;
e2308e4b 2217
8d660e04
JM		 2218 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_SUCCESS "role=%s "
2219 "freq=%d ht40=%d peer_dev=" MACSTR " peer_iface=" MACSTR
2220 " wps_method=%s",
2221 res->role_go ? "GO" : "client", res->freq, res->ht40,
2222 MAC2STR(res->peer_device_addr),
2223 MAC2STR(res->peer_interface_addr),
2224 p2p_wps_method_text(res->wps_method));
e5a359cf 2225 wpas_notify_p2p_go_neg_completed(wpa_s, res);
b22128ef 2226
23c84252
JM		 2227 if (res->role_go && wpa_s->p2p_persistent_id >= 0) {
2228 struct wpa_ssid *ssid;
2229 ssid = wpa_config_get_network(wpa_s->conf,
2230 wpa_s->p2p_persistent_id);
2231 if (ssid && ssid->disabled == 2 &&
2232 ssid->mode == WPAS_MODE_P2P_GO && ssid->passphrase) {
2233 size_t len = os_strlen(ssid->passphrase);
2234 wpa_printf(MSG_DEBUG, "P2P: Override passphrase based "
2235 "on requested persistent group");
2236 os_memcpy(res->passphrase, ssid->passphrase, len);
2237 res->passphrase[len] = '\0';
2238 }
2239 }
2240
b22128ef 2241 if (wpa_s->create_p2p_iface) {
96a26ab7 2242 group_wpa_s =
b22128ef
JM		 2243 wpas_p2p_init_group_interface(wpa_s, res->role_go);
2244 if (group_wpa_s == NULL) {
2245 wpas_p2p_remove_pending_group_interface(wpa_s);
5eae87a7
EA		 2246 eloop_cancel_timeout(wpas_p2p_long_listen_timeout,
2247 wpa_s, NULL);
d95c5994 2248 wpas_p2p_group_formation_failed(wpa_s, 1);
b22128ef
JM		 2249 return;
2250 }
b22128ef
JM		 2251 os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
2252 wpa_s->pending_interface_name[0] = '\0';
b22128ef 2253 } else {
96a26ab7
LD		 2254 group_wpa_s = wpa_s->parent;
2255 wpa_s->global->p2p_group_formation = group_wpa_s;
2256 if (group_wpa_s != wpa_s)
2257 wpas_p2p_clone_config_dh(group_wpa_s, wpa_s);
2258 }
b22128ef 2259
96a26ab7
LD		 2260 group_wpa_s->p2p_in_provisioning = 1;
2261 group_wpa_s->p2pdev = wpa_s;
2262 if (group_wpa_s != wpa_s) {
2263 os_memcpy(group_wpa_s->p2p_pin, wpa_s->p2p_pin,
2264 sizeof(group_wpa_s->p2p_pin));
2265 group_wpa_s->p2p_wps_method = wpa_s->p2p_wps_method;
2266 }
2267 if (res->role_go) {
2268 wpas_start_wps_go(group_wpa_s, res, 1);
2269 } else {
2270 os_get_reltime(&group_wpa_s->scan_min_time);
2271 wpas_start_wps_enrollee(group_wpa_s, res);
b22128ef
JM		 2272 }
2273
2274 wpa_s->p2p_long_listen = 0;
2275 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
2276
2277 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
ae3e3421
JM		 2278 eloop_register_timeout(15 + res->peer_config_timeout / 100,
2279 (res->peer_config_timeout % 100) * 10000,
2280 wpas_p2p_group_formation_timeout, wpa_s, NULL);
b22128ef
JM		 2281}
2282
2283
aa2b1256
MH		 2284static void wpas_go_neg_req_rx(void *ctx, const u8 *src, u16 dev_passwd_id,
2285 u8 go_intent)
b22128ef
JM		 2286{
2287 struct wpa_supplicant *wpa_s = ctx;
92c4465b 2288 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_REQUEST MACSTR
aa2b1256
MH		 2289 " dev_passwd_id=%u go_intent=%u", MAC2STR(src),
2290 dev_passwd_id, go_intent);
32d1bce0 2291
aa2b1256 2292 wpas_notify_p2p_go_neg_req(wpa_s, src, dev_passwd_id, go_intent);
b22128ef
JM		 2293}
2294
2295
152cff6b
JM		 2296static void wpas_dev_found(void *ctx, const u8 *addr,
2297 const struct p2p_peer_info *info,
2298 int new_device)
b22128ef 2299{
5506d184 2300#ifndef CONFIG_NO_STDOUT_DEBUG
b22128ef
JM		 2301 struct wpa_supplicant *wpa_s = ctx;
2302 char devtype[WPS_DEV_TYPE_BUFSIZE];
b125c48f
DS		 2303 char *wfd_dev_info_hex = NULL;
2304
2305#ifdef CONFIG_WIFI_DISPLAY
2306 wfd_dev_info_hex = wifi_display_subelem_hex(info->wfd_subelems,
2307 WFD_SUBELEM_DEVICE_INFO);
2308#endif /* CONFIG_WIFI_DISPLAY */
c5db8e51 2309
095b3c40
BG		 2310 if (info->p2ps_instance) {
2311 char str[256];
2312 const u8 *buf = wpabuf_head(info->p2ps_instance);
2313 size_t len = wpabuf_len(info->p2ps_instance);
2314
2315 while (len) {
2316 u32 id;
2317 u16 methods;
2318 u8 str_len;
2319
2320 if (len < 4 + 2 + 1)
2321 break;
2322 id = WPA_GET_LE32(buf);
2323 buf += sizeof(u32);
2324 methods = WPA_GET_BE16(buf);
2325 buf += sizeof(u16);
2326 str_len = *buf++;
2327 if (str_len > len - 4 - 2 - 1)
2328 break;
2329 os_memcpy(str, buf, str_len);
2330 str[str_len] = '\0';
2331 buf += str_len;
2332 len -= str_len + sizeof(u32) + sizeof(u16) + sizeof(u8);
2333
2334 wpa_msg_global(wpa_s, MSG_INFO,
2335 P2P_EVENT_DEVICE_FOUND MACSTR
2336 " p2p_dev_addr=" MACSTR
2337 " pri_dev_type=%s name='%s'"
2338 " config_methods=0x%x"
2339 " dev_capab=0x%x"
2340 " group_capab=0x%x"
2341 " adv_id=%x asp_svc=%s%s",
2342 MAC2STR(addr),
2343 MAC2STR(info->p2p_device_addr),
2344 wps_dev_type_bin2str(
2345 info->pri_dev_type,
2346 devtype, sizeof(devtype)),
2347 info->device_name, methods,
2348 info->dev_capab, info->group_capab,
2349 id, str,
2350 info->vendor_elems ?
2351 " vendor_elems=1" : "");
2352 }
2353 goto done;
2354 }
2355
92c4465b
JM		 2356 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_FOUND MACSTR
2357 " p2p_dev_addr=" MACSTR
2358 " pri_dev_type=%s name='%s' config_methods=0x%x "
34d45ea0 2359 "dev_capab=0x%x group_capab=0x%x%s%s%s new=%d",
92c4465b
JM		 2360 MAC2STR(addr), MAC2STR(info->p2p_device_addr),
2361 wps_dev_type_bin2str(info->pri_dev_type, devtype,
2362 sizeof(devtype)),
b125c48f
DS		 2363 info->device_name, info->config_methods,
2364 info->dev_capab, info->group_capab,
2365 wfd_dev_info_hex ? " wfd_dev_info=0x" : "",
71a0e395 2366 wfd_dev_info_hex ? wfd_dev_info_hex : "",
34d45ea0
JM		 2367 info->vendor_elems ? " vendor_elems=1" : "",
2368 new_device);
d642d2d2 2369
095b3c40 2370done:
b125c48f 2371 os_free(wfd_dev_info_hex);
1b56d398 2372#endif /* CONFIG_NO_STDOUT_DEBUG */
b125c48f 2373
d642d2d2 2374 wpas_notify_p2p_device_found(ctx, info->p2p_device_addr, new_device);
b22128ef
JM		 2375}
2376
2377
56eeb8f2
JB		 2378static void wpas_dev_lost(void *ctx, const u8 *dev_addr)
2379{
2380 struct wpa_supplicant *wpa_s = ctx;
2381
92c4465b
JM		 2382 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_LOST
2383 "p2p_dev_addr=" MACSTR, MAC2STR(dev_addr));
3074d8f1 2384
56eeb8f2
JB		 2385 wpas_notify_p2p_device_lost(wpa_s, dev_addr);
2386}
2387
2388
710ae9ac
JM		 2389static void wpas_find_stopped(void *ctx)
2390{
2391 struct wpa_supplicant *wpa_s = ctx;
a8057310
BR		 2392
2393 if (wpa_s->p2p_scan_work && wpas_abort_ongoing_scan(wpa_s) < 0)
2394 wpa_printf(MSG_DEBUG, "P2P: Abort ongoing scan failed");
2395
92c4465b 2396 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_FIND_STOPPED);
7b642dc8 2397 wpas_notify_p2p_find_stopped(wpa_s);
710ae9ac
JM		 2398}
2399
2400
e1d1c8e2
JM		 2401struct wpas_p2p_listen_work {
2402 unsigned int freq;
2403 unsigned int duration;
2404 struct wpabuf *probe_resp_ie;
2405};
2406
2407
2408static void wpas_p2p_listen_work_free(struct wpas_p2p_listen_work *lwork)
b22128ef 2409{
e1d1c8e2
JM		 2410 if (lwork == NULL)
2411 return;
2412 wpabuf_free(lwork->probe_resp_ie);
2413 os_free(lwork);
2414}
2415
2416
2417static void wpas_p2p_listen_work_done(struct wpa_supplicant *wpa_s)
2418{
2419 struct wpas_p2p_listen_work *lwork;
2420
2421 if (!wpa_s->p2p_listen_work)
2422 return;
2423
2424 lwork = wpa_s->p2p_listen_work->ctx;
2425 wpas_p2p_listen_work_free(lwork);
2426 radio_work_done(wpa_s->p2p_listen_work);
2427 wpa_s->p2p_listen_work = NULL;
2428}
2429
2430
2431static void wpas_start_listen_cb(struct wpa_radio_work *work, int deinit)
2432{
2433 struct wpa_supplicant *wpa_s = work->wpa_s;
2434 struct wpas_p2p_listen_work *lwork = work->ctx;
1f94e4ee 2435 unsigned int duration;
e1d1c8e2
JM		 2436
2437 if (deinit) {
b3253ebb
AO		 2438 if (work->started) {
2439 wpa_s->p2p_listen_work = NULL;
2440 wpas_stop_listen(wpa_s);
2441 }
e1d1c8e2
JM		 2442 wpas_p2p_listen_work_free(lwork);
2443 return;
2444 }
b22128ef 2445
e1d1c8e2
JM		 2446 wpa_s->p2p_listen_work = work;
2447
2448 wpa_drv_set_ap_wps_ie(wpa_s, NULL, lwork->probe_resp_ie, NULL);
b22128ef
JM		 2449
2450 if (wpa_drv_probe_req_report(wpa_s, 1) < 0) {
2451 wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver to "
2452 "report received Probe Request frames");
e1d1c8e2
JM		 2453 wpas_p2p_listen_work_done(wpa_s);
2454 return;
b22128ef
JM		 2455 }
2456
e1d1c8e2
JM		 2457 wpa_s->pending_listen_freq = lwork->freq;
2458 wpa_s->pending_listen_duration = lwork->duration;
b22128ef 2459
1f94e4ee
JM		 2460 duration = lwork->duration;
2461#ifdef CONFIG_TESTING_OPTIONS
2462 if (wpa_s->extra_roc_dur) {
2463 wpa_printf(MSG_DEBUG, "TESTING: Increase ROC duration %u -> %u",
2464 duration, duration + wpa_s->extra_roc_dur);
2465 duration += wpa_s->extra_roc_dur;
2466 }
2467#endif /* CONFIG_TESTING_OPTIONS */
2468
2469 if (wpa_drv_remain_on_channel(wpa_s, lwork->freq, duration) < 0) {
b22128ef
JM		 2470 wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver "
2471 "to remain on channel (%u MHz) for Listen "
e1d1c8e2
JM		 2472 "state", lwork->freq);
2473 wpas_p2p_listen_work_done(wpa_s);
b22128ef 2474 wpa_s->pending_listen_freq = 0;
e1d1c8e2 2475 return;
b22128ef 2476 }
09d660b9 2477 wpa_s->off_channel_freq = 0;
e1d1c8e2
JM		 2478 wpa_s->roc_waiting_drv_freq = lwork->freq;
2479}
2480
2481
2482static int wpas_start_listen(void *ctx, unsigned int freq,
2483 unsigned int duration,
2484 const struct wpabuf *probe_resp_ie)
2485{
2486 struct wpa_supplicant *wpa_s = ctx;
2487 struct wpas_p2p_listen_work *lwork;
2488
2489 if (wpa_s->p2p_listen_work) {
2490 wpa_printf(MSG_DEBUG, "P2P: Reject start_listen since p2p_listen_work already exists");
2491 return -1;
2492 }
2493
2494 lwork = os_zalloc(sizeof(*lwork));
2495 if (lwork == NULL)
2496 return -1;
2497 lwork->freq = freq;
2498 lwork->duration = duration;
2499 if (probe_resp_ie) {
2500 lwork->probe_resp_ie = wpabuf_dup(probe_resp_ie);
2501 if (lwork->probe_resp_ie == NULL) {
2502 wpas_p2p_listen_work_free(lwork);
2503 return -1;
2504 }
2505 }
2506
2507 if (radio_add_work(wpa_s, freq, "p2p-listen", 0, wpas_start_listen_cb,
2508 lwork) < 0) {
2509 wpas_p2p_listen_work_free(lwork);
2510 return -1;
2511 }
b22128ef
JM		 2512
2513 return 0;
2514}
2515
2516
2517static void wpas_stop_listen(void *ctx)
2518{
2519 struct wpa_supplicant *wpa_s = ctx;
6cb22d2f 2520 if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
b22128ef
JM		 2521 wpa_drv_cancel_remain_on_channel(wpa_s);
2522 wpa_s->off_channel_freq = 0;
07a30a66 2523 wpa_s->roc_waiting_drv_freq = 0;
b22128ef 2524 }
839b33ad 2525 wpa_drv_set_ap_wps_ie(wpa_s, NULL, NULL, NULL);
07c1e987
MS		 2526
2527 /*
2528 * Don't cancel Probe Request RX reporting for a connected P2P Client
2529 * handling Probe Request frames.
2530 */
2531 if (!wpa_s->p2p_cli_probe)
2532 wpa_drv_probe_req_report(wpa_s, 0);
2533
e1d1c8e2 2534 wpas_p2p_listen_work_done(wpa_s);
b22128ef
JM		 2535}
2536
2537
0799b3f8
AO		 2538static int wpas_send_probe_resp(void *ctx, const struct wpabuf *buf,
2539 unsigned int freq)
b22128ef
JM		 2540{
2541 struct wpa_supplicant *wpa_s = ctx;
0799b3f8
AO		 2542 return wpa_drv_send_mlme(wpa_s, wpabuf_head(buf), wpabuf_len(buf), 1,
2543 freq);
b22128ef
JM		 2544}
2545
2546
b22128ef 2547static void wpas_prov_disc_local_display(struct wpa_supplicant *wpa_s,
bbeee9b0
JB		 2548 const u8 *peer, const char *params,
2549 unsigned int generated_pin)
b22128ef 2550{
92c4465b
JM		 2551 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR
2552 " %08d%s", MAC2STR(peer), generated_pin, params);
b22128ef
JM		 2553}
2554
2555
2556static void wpas_prov_disc_local_keypad(struct wpa_supplicant *wpa_s,
2557 const u8 *peer, const char *params)
2558{
92c4465b
JM		 2559 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR
2560 "%s", MAC2STR(peer), params);
b22128ef
JM		 2561}
2562
2563
152cff6b
JM		 2564static void wpas_prov_disc_req(void *ctx, const u8 *peer, u16 config_methods,
2565 const u8 *dev_addr, const u8 *pri_dev_type,
2566 const char *dev_name, u16 supp_config_methods,
2567 u8 dev_capab, u8 group_capab, const u8 *group_id,
2568 size_t group_id_len)
b22128ef
JM		 2569{
2570 struct wpa_supplicant *wpa_s = ctx;
2571 char devtype[WPS_DEV_TYPE_BUFSIZE];
c3f42784 2572 char params[300];
b22128ef 2573 u8 empty_dev_type[8];
bbeee9b0 2574 unsigned int generated_pin = 0;
c3f42784 2575 struct wpa_supplicant *group = NULL;
1d399771 2576 int res;
c3f42784
JM		 2577
2578 if (group_id) {
2579 for (group = wpa_s->global->ifaces; group; group = group->next)
2580 {
2581 struct wpa_ssid *s = group->current_ssid;
2582 if (s != NULL &&
2583 s->mode == WPAS_MODE_P2P_GO &&
2584 group_id_len - ETH_ALEN == s->ssid_len &&
2585 os_memcmp(group_id + ETH_ALEN, s->ssid,
2586 s->ssid_len) == 0)
2587 break;
2588 }
2589 }
b22128ef
JM		 2590
2591 if (pri_dev_type == NULL) {
2592 os_memset(empty_dev_type, 0, sizeof(empty_dev_type));
2593 pri_dev_type = empty_dev_type;
2594 }
1d399771
JM		 2595 res = os_snprintf(params, sizeof(params), " p2p_dev_addr=" MACSTR
2596 " pri_dev_type=%s name='%s' config_methods=0x%x "
2597 "dev_capab=0x%x group_capab=0x%x%s%s",
2598 MAC2STR(dev_addr),
2599 wps_dev_type_bin2str(pri_dev_type, devtype,
2600 sizeof(devtype)),
2601 dev_name, supp_config_methods, dev_capab, group_capab,
2602 group ? " group=" : "",
2603 group ? group->ifname : "");
2604 if (os_snprintf_error(sizeof(params), res))
2605 wpa_printf(MSG_DEBUG, "P2P: PD Request event truncated");
b22128ef
JM		 2606 params[sizeof(params) - 1] = '\0';
2607
bbeee9b0 2608 if (config_methods & WPS_CONFIG_DISPLAY) {
98a516ea
NL		 2609 if (wps_generate_pin(&generated_pin) < 0) {
2610 wpa_printf(MSG_DEBUG, "P2P: Could not generate PIN");
2611 wpas_notify_p2p_provision_discovery(
2612 wpa_s, peer, 0 /* response */,
2613 P2P_PROV_DISC_INFO_UNAVAILABLE, 0, 0);
2614 return;
2615 }
bbeee9b0
JB		 2616 wpas_prov_disc_local_display(wpa_s, peer, params,
2617 generated_pin);
2618 } else if (config_methods & WPS_CONFIG_KEYPAD)
b22128ef
JM		 2619 wpas_prov_disc_local_keypad(wpa_s, peer, params);
2620 else if (config_methods & WPS_CONFIG_PUSHBUTTON)
92c4465b
JM		 2621 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_REQ
2622 MACSTR "%s", MAC2STR(peer), params);
dd8a7e05
JB		 2623
2624 wpas_notify_p2p_provision_discovery(wpa_s, peer, 1 /* request */,
2625 P2P_PROV_DISC_SUCCESS,
2626 config_methods, generated_pin);
b22128ef
JM		 2627}
2628
2629
152cff6b 2630static void wpas_prov_disc_resp(void *ctx, const u8 *peer, u16 config_methods)
b22128ef
JM		 2631{
2632 struct wpa_supplicant *wpa_s = ctx;
bbeee9b0 2633 unsigned int generated_pin = 0;
0918c4bf 2634 char params[20];
bbeee9b0 2635
c1931635
JM		 2636 if (wpa_s->pending_pd_before_join &&
2637 (os_memcmp(peer, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 ||
2638 os_memcmp(peer, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
2639 wpa_s->pending_pd_before_join = 0;
2640 wpa_printf(MSG_DEBUG, "P2P: Starting pending "
2641 "join-existing-group operation");
23318bea 2642 wpas_p2p_join_start(wpa_s, 0, NULL, 0);
c1931635
JM		 2643 return;
2644 }
2645
0918c4bf 2646 if (wpa_s->pending_pd_use == AUTO_PD_JOIN ||
1d399771
JM		 2647 wpa_s->pending_pd_use == AUTO_PD_GO_NEG) {
2648 int res;
2649
2650 res = os_snprintf(params, sizeof(params), " peer_go=%d",
2651 wpa_s->pending_pd_use == AUTO_PD_JOIN);
2652 if (os_snprintf_error(sizeof(params), res))
2653 params[sizeof(params) - 1] = '\0';
2654 } else
0918c4bf
JM		 2655 params[0] = '\0';
2656
b22128ef 2657 if (config_methods & WPS_CONFIG_DISPLAY)
0918c4bf 2658 wpas_prov_disc_local_keypad(wpa_s, peer, params);
bbeee9b0 2659 else if (config_methods & WPS_CONFIG_KEYPAD) {
98a516ea
NL		 2660 if (wps_generate_pin(&generated_pin) < 0) {
2661 wpa_printf(MSG_DEBUG, "P2P: Could not generate PIN");
2662 wpas_notify_p2p_provision_discovery(
2663 wpa_s, peer, 0 /* response */,
2664 P2P_PROV_DISC_INFO_UNAVAILABLE, 0, 0);
2665 return;
2666 }
0918c4bf
JM		 2667 wpas_prov_disc_local_display(wpa_s, peer, params,
2668 generated_pin);
bbeee9b0 2669 } else if (config_methods & WPS_CONFIG_PUSHBUTTON)
92c4465b
JM		 2670 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_RESP
2671 MACSTR "%s", MAC2STR(peer), params);
a482883f 2672
dd8a7e05
JB		 2673 wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */,
2674 P2P_PROV_DISC_SUCCESS,
2675 config_methods, generated_pin);
b22128ef
JM		 2676}
2677
2678
19df9b07 2679static void wpas_prov_disc_fail(void *ctx, const u8 *peer,
ab8ee776
KV		 2680 enum p2p_prov_disc_status status,
2681 u32 adv_id, const u8 *adv_mac,
2682 const char *deferred_session_resp)
dd8a7e05
JB		 2683{
2684 struct wpa_supplicant *wpa_s = ctx;
2685
aa9bb764
JM		 2686 if (wpa_s->p2p_fallback_to_go_neg) {
2687 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: PD for p2p_connect-auto "
2688 "failed - fall back to GO Negotiation");
ba307f85 2689 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
6b005121
JM		 2690 P2P_EVENT_FALLBACK_TO_GO_NEG
2691 "reason=PD-failed");
aa9bb764
JM		 2692 wpas_p2p_fallback_to_go_neg(wpa_s, 0);
2693 return;
2694 }
2695
175171ac
JM		 2696 if (status == P2P_PROV_DISC_TIMEOUT_JOIN) {
2697 wpa_s->pending_pd_before_join = 0;
2698 wpa_printf(MSG_DEBUG, "P2P: Starting pending "
2699 "join-existing-group operation (no ACK for PD "
2700 "Req attempts)");
23318bea 2701 wpas_p2p_join_start(wpa_s, 0, NULL, 0);
175171ac
JM		 2702 return;
2703 }
2704
ab8ee776
KV		 2705 if (adv_id && adv_mac && deferred_session_resp) {
2706 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
2707 " p2p_dev_addr=" MACSTR " status=%d adv_id=%x"
2708 " deferred_session_resp='%s'",
2709 MAC2STR(peer), status, adv_id,
2710 deferred_session_resp);
2711 } else if (adv_id && adv_mac) {
2712 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
2713 " p2p_dev_addr=" MACSTR " status=%d adv_id=%x",
2714 MAC2STR(peer), status, adv_id);
2715 } else {
2716 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
2717 " p2p_dev_addr=" MACSTR " status=%d",
2718 MAC2STR(peer), status);
2719 }
f65a239b 2720
dd8a7e05
JB		 2721 wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */,
2722 status, 0, 0);
2723}
2724
2725
e280110d
IP		 2726static int freq_included(struct wpa_supplicant *wpa_s,
2727 const struct p2p_channels *channels,
2728 unsigned int freq)
72728c6f 2729{
e280110d
IP		 2730 if ((channels == NULL || p2p_channels_includes_freq(channels, freq)) &&
2731 wpas_p2p_go_is_peer_freq(wpa_s, freq))
2732 return 1;
2733 return 0;
72728c6f
SL		 2734}
2735
2736
5e1f4805
IP		 2737static void wpas_p2p_go_update_common_freqs(struct wpa_supplicant *wpa_s)
2738{
2739 unsigned int num = P2P_MAX_CHANNELS;
2740 int *common_freqs;
2741 int ret;
2742
2743 p2p_go_dump_common_freqs(wpa_s);
2744 common_freqs = os_calloc(num, sizeof(int));
2745 if (!common_freqs)
2746 return;
2747
2748 ret = p2p_group_get_common_freqs(wpa_s->p2p_group, common_freqs, &num);
2749 if (ret < 0) {
2750 wpa_dbg(wpa_s, MSG_DEBUG,
2751 "P2P: Failed to get group common freqs");
2752 os_free(common_freqs);
2753 return;
2754 }
2755
2756 os_free(wpa_s->p2p_group_common_freqs);
2757 wpa_s->p2p_group_common_freqs = common_freqs;
2758 wpa_s->p2p_group_common_freqs_num = num;
2759 p2p_go_dump_common_freqs(wpa_s);
2760}
2761
2762
1a471ff0
IP		 2763/*
2764 * Check if the given frequency is one of the possible operating frequencies
2765 * set after the completion of the GO Negotiation.
2766 */
2767static int wpas_p2p_go_is_peer_freq(struct wpa_supplicant *wpa_s, int freq)
2768{
2769 unsigned int i;
2770
2771 p2p_go_dump_common_freqs(wpa_s);
2772
2773 /* assume no restrictions */
2774 if (!wpa_s->p2p_group_common_freqs_num)
2775 return 1;
2776
2777 for (i = 0; i < wpa_s->p2p_group_common_freqs_num; i++) {
2778 if (wpa_s->p2p_group_common_freqs[i] == freq)
2779 return 1;
2780 }
2781 return 0;
2782}
2783
2784
98b05081
AO		 2785static int wpas_sta_check_ecsa(struct hostapd_data *hapd,
2786 struct sta_info *sta, void *ctx)
2787{
2788 int *ecsa_support = ctx;
2789
2790 *ecsa_support &= sta->ecsa_supported;
2791
2792 return 0;
2793}
2794
2795
2796/* Check if all the peers support eCSA */
2797static int wpas_p2p_go_clients_support_ecsa(struct wpa_supplicant *wpa_s)
2798{
2799 int ecsa_support = 1;
2800
2801 ap_for_each_sta(wpa_s->ap_iface->bss[0], wpas_sta_check_ecsa,
2802 &ecsa_support);
2803
2804 return ecsa_support;
2805}
2806
2807
a0c90bb0
IP		 2808/**
2809 * Pick the best frequency to use from all the currently used frequencies.
2810 */
2811static int wpas_p2p_pick_best_used_freq(struct wpa_supplicant *wpa_s,
2812 struct wpa_used_freq_data *freqs,
2813 unsigned int num)
2814{
2815 unsigned int i, c;
2816
2817 /* find a candidate freq that is supported by P2P */
2818 for (c = 0; c < num; c++)
2819 if (p2p_supported_freq(wpa_s->global->p2p, freqs[c].freq))
2820 break;
2821
2822 if (c == num)
2823 return 0;
2824
2825 /* once we have a candidate, try to find a 'better' one */
2826 for (i = c + 1; i < num; i++) {
2827 if (!p2p_supported_freq(wpa_s->global->p2p, freqs[i].freq))
2828 continue;
2829
2830 /*
2831 * 1. Infrastructure station interfaces have higher preference.
2832 * 2. P2P Clients have higher preference.
2833 * 3. All others.
2834 */
2835 if (freqs[i].flags & WPA_FREQ_USED_BY_INFRA_STATION) {
2836 c = i;
2837 break;
2838 }
2839
2840 if ((freqs[i].flags & WPA_FREQ_USED_BY_P2P_CLIENT))
2841 c = i;
2842 }
2843 return freqs[c].freq;
2844}
2845
2846
b22128ef
JM		 2847static u8 wpas_invitation_process(void *ctx, const u8 *sa, const u8 *bssid,
2848 const u8 *go_dev_addr, const u8 *ssid,
2849 size_t ssid_len, int *go, u8 *group_bssid,
72728c6f 2850 int *force_freq, int persistent_group,
8e9f53c3
JM		 2851 const struct p2p_channels *channels,
2852 int dev_pw_id)
b22128ef
JM		 2853{
2854 struct wpa_supplicant *wpa_s = ctx;
2855 struct wpa_ssid *s;
a0c90bb0 2856 struct wpa_used_freq_data *freqs;
ab72eb52 2857 struct wpa_supplicant *grp;
a0c90bb0 2858 int best_freq;
b22128ef
JM		 2859
2860 if (!persistent_group) {
2861 wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
c48414af
JM		 2862 " to join an active group (SSID: %s)",
2863 MAC2STR(sa), wpa_ssid_txt(ssid, ssid_len));
108def93 2864 if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) &&
131cb37c
JM		 2865 (os_memcmp(go_dev_addr, wpa_s->p2p_auth_invite, ETH_ALEN)
2866 == 0 ||
2867 os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0)) {
108def93
JM		 2868 wpa_printf(MSG_DEBUG, "P2P: Accept previously "
2869 "authorized invitation");
2870 goto accept_inv;
2871 }
8e9f53c3
JM		 2872
2873#ifdef CONFIG_WPS_NFC
57ae1f5b
DS		 2874 if (dev_pw_id >= 0 && wpa_s->p2p_nfc_tag_enabled &&
2875 dev_pw_id == wpa_s->p2p_oob_dev_pw_id) {
8e9f53c3 2876 wpa_printf(MSG_DEBUG, "P2P: Accept invitation based on local enabled NFC Tag");
57ae1f5b
DS		 2877 wpa_s->p2p_wps_method = WPS_NFC;
2878 wpa_s->pending_join_wps_method = WPS_NFC;
2879 os_memcpy(wpa_s->pending_join_dev_addr,
8e9f53c3 2880 go_dev_addr, ETH_ALEN);
57ae1f5b 2881 os_memcpy(wpa_s->pending_join_iface_addr,
8e9f53c3
JM		 2882 bssid, ETH_ALEN);
2883 goto accept_inv;
2884 }
2885#endif /* CONFIG_WPS_NFC */
2886
b22128ef
JM		 2887 /*
2888 * Do not accept the invitation automatically; notify user and
2889 * request approval.
2890 */
2891 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
2892 }
2893
ab72eb52
JM		 2894 grp = wpas_get_p2p_group(wpa_s, ssid, ssid_len, go);
2895 if (grp) {
2896 wpa_printf(MSG_DEBUG, "P2P: Accept invitation to already "
2897 "running persistent group");
2898 if (*go)
2899 os_memcpy(group_bssid, grp->own_addr, ETH_ALEN);
2900 goto accept_inv;
2901 }
2902
77e4e853
JM		 2903 if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) &&
2904 os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0) {
2905 wpa_printf(MSG_DEBUG, "P2P: Accept previously initiated "
2906 "invitation to re-invoke a persistent group");
829a1b32 2907 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
77e4e853 2908 } else if (!wpa_s->conf->persistent_reconnect)
b22128ef
JM		 2909 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
2910
2911 for (s = wpa_s->conf->ssid; s; s = s->next) {
2912 if (s->disabled == 2 &&
2913 os_memcmp(s->bssid, go_dev_addr, ETH_ALEN) == 0 &&
2914 s->ssid_len == ssid_len &&
2915 os_memcmp(ssid, s->ssid, ssid_len) == 0)
2916 break;
2917 }
2918
2919 if (!s) {
2920 wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
2921 " requested reinvocation of an unknown group",
2922 MAC2STR(sa));
2923 return P2P_SC_FAIL_UNKNOWN_GROUP;
2924 }
2925
2926 if (s->mode == WPAS_MODE_P2P_GO && !wpas_p2p_create_iface(wpa_s)) {
2927 *go = 1;
2928 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
2929 wpa_printf(MSG_DEBUG, "P2P: The only available "
2930 "interface is already in use - reject "
2931 "invitation");
2932 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
2933 }
96a26ab7
LD		 2934 if (wpa_s->p2p_mgmt)
2935 os_memcpy(group_bssid, wpa_s->parent->own_addr,
2936 ETH_ALEN);
2937 else
2938 os_memcpy(group_bssid, wpa_s->own_addr, ETH_ALEN);
b22128ef
JM		 2939 } else if (s->mode == WPAS_MODE_P2P_GO) {
2940 *go = 1;
2941 if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO) < 0)
2942 {
2943 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
2944 "interface address for the group");
2945 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
2946 }
2947 os_memcpy(group_bssid, wpa_s->pending_interface_addr,
2948 ETH_ALEN);
2949 }
2950
108def93 2951accept_inv:
6cb27aa8
JM		 2952 wpas_p2p_set_own_freq_preference(wpa_s, 0);
2953
a0c90bb0
IP		 2954 best_freq = 0;
2955 freqs = os_calloc(wpa_s->num_multichan_concurrent,
2956 sizeof(struct wpa_used_freq_data));
2957 if (freqs) {
2958 int num_channels = wpa_s->num_multichan_concurrent;
2959 int num = wpas_p2p_valid_oper_freqs(wpa_s, freqs, num_channels);
2960 best_freq = wpas_p2p_pick_best_used_freq(wpa_s, freqs, num);
2961 os_free(freqs);
2962 }
2963
0d08efa4 2964 /* Get one of the frequencies currently in use */
a0c90bb0 2965 if (best_freq > 0) {
21e491f2 2966 wpa_printf(MSG_DEBUG, "P2P: Trying to prefer a channel already used by one of the interfaces");
a0c90bb0 2967 wpas_p2p_set_own_freq_preference(wpa_s, best_freq);
21e491f2
JM		 2968
2969 if (wpa_s->num_multichan_concurrent < 2 ||
2970 wpas_p2p_num_unused_channels(wpa_s) < 1) {
2971 wpa_printf(MSG_DEBUG, "P2P: No extra channels available - trying to force channel to match a channel already used by one of the interfaces");
a0c90bb0 2972 *force_freq = best_freq;
21e491f2 2973 }
b22128ef
JM		 2974 }
2975
0d08efa4
IP		 2976 if (*force_freq > 0 && wpa_s->num_multichan_concurrent > 1 &&
2977 wpas_p2p_num_unused_channels(wpa_s) > 0) {
72728c6f
SL		 2978 if (*go == 0) {
2979 /* We are the client */
2980 wpa_printf(MSG_DEBUG, "P2P: Peer was found to be "
2981 "running a GO but we are capable of MCC, "
2982 "figure out the best channel to use");
2983 *force_freq = 0;
e280110d 2984 } else if (!freq_included(wpa_s, channels, *force_freq)) {
72728c6f
SL		 2985 /* We are the GO, and *force_freq is not in the
2986 * intersection */
2987 wpa_printf(MSG_DEBUG, "P2P: Forced GO freq %d MHz not "
2988 "in intersection but we are capable of MCC, "
2989 "figure out the best channel to use",
2990 *force_freq);
2991 *force_freq = 0;
2992 }
2993 }
2994
b22128ef
JM		 2995 return P2P_SC_SUCCESS;
2996}
2997
2998
2999static void wpas_invitation_received(void *ctx, const u8 *sa, const u8 *bssid,
3000 const u8 *ssid, size_t ssid_len,
3001 const u8 *go_dev_addr, u8 status,
3002 int op_freq)
3003{
3004 struct wpa_supplicant *wpa_s = ctx;
3005 struct wpa_ssid *s;
3006
3007 for (s = wpa_s->conf->ssid; s; s = s->next) {
3008 if (s->disabled == 2 &&
3009 s->ssid_len == ssid_len &&
3010 os_memcmp(ssid, s->ssid, ssid_len) == 0)
3011 break;
3012 }
3013
3014 if (status == P2P_SC_SUCCESS) {
3015 wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
c48414af
JM		 3016 " was accepted; op_freq=%d MHz, SSID=%s",
3017 MAC2STR(sa), op_freq, wpa_ssid_txt(ssid, ssid_len));
b22128ef 3018 if (s) {
2cd07584 3019 int go = s->mode == WPAS_MODE_P2P_GO;
b22128ef 3020 wpas_p2p_group_add_persistent(
c27f4c90 3021 wpa_s, s, go, 0, op_freq, 0, 0, 0, 0, NULL,
dfaf11d6
JM		 3022 go ? P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE : 0,
3023 1);
2049af2b 3024 } else if (bssid) {
67527166 3025 wpa_s->user_initiated_pd = 0;
108def93 3026 wpas_p2p_join(wpa_s, bssid, go_dev_addr,
23318bea 3027 wpa_s->p2p_wps_method, 0, op_freq,
c48414af 3028 ssid, ssid_len);
b22128ef
JM		 3029 }
3030 return;
3031 }
3032
3033 if (status != P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
3034 wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
3035 " was rejected (status %u)", MAC2STR(sa), status);
3036 return;
3037 }
3038
3039 if (!s) {
3040 if (bssid) {
92c4465b
JM		 3041 wpa_msg_global(wpa_s, MSG_INFO,
3042 P2P_EVENT_INVITATION_RECEIVED
3043 "sa=" MACSTR " go_dev_addr=" MACSTR
3044 " bssid=" MACSTR " unknown-network",
3045 MAC2STR(sa), MAC2STR(go_dev_addr),
3046 MAC2STR(bssid));
b22128ef 3047 } else {
92c4465b
JM		 3048 wpa_msg_global(wpa_s, MSG_INFO,
3049 P2P_EVENT_INVITATION_RECEIVED
3050 "sa=" MACSTR " go_dev_addr=" MACSTR
3051 " unknown-network",
3052 MAC2STR(sa), MAC2STR(go_dev_addr));
b22128ef 3053 }
be5ab8d4
MJ		 3054 wpas_notify_p2p_invitation_received(wpa_s, sa, go_dev_addr,
3055 bssid, 0, op_freq);
b22128ef
JM		 3056 return;
3057 }
3058
cd1e2309 3059 if (s->mode == WPAS_MODE_P2P_GO && op_freq) {
92c4465b
JM		 3060 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
3061 "sa=" MACSTR " persistent=%d freq=%d",
3062 MAC2STR(sa), s->id, op_freq);
cd1e2309 3063 } else {
92c4465b
JM		 3064 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
3065 "sa=" MACSTR " persistent=%d",
3066 MAC2STR(sa), s->id);
cd1e2309 3067 }
be5ab8d4
MJ		 3068 wpas_notify_p2p_invitation_received(wpa_s, sa, go_dev_addr, bssid,
3069 s->id, op_freq);
b22128ef
JM		 3070}
3071
3072
dbca75f8
JM		 3073static void wpas_remove_persistent_peer(struct wpa_supplicant *wpa_s,
3074 struct wpa_ssid *ssid,
f2c56602 3075 const u8 *peer, int inv)
dbca75f8
JM		 3076{
3077 size_t i;
b740401f 3078 struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s;
dbca75f8
JM		 3079
3080 if (ssid == NULL)
3081 return;
3082
3083 for (i = 0; ssid->p2p_client_list && i < ssid->num_p2p_clients; i++) {
79cd993a 3084 if (os_memcmp(ssid->p2p_client_list + i * 2 * ETH_ALEN, peer,
dbca75f8
JM		 3085 ETH_ALEN) == 0)
3086 break;
3087 }
8931a36c 3088 if (i >= ssid->num_p2p_clients || !ssid->p2p_client_list) {
dbca75f8
JM		 3089 if (ssid->mode != WPAS_MODE_P2P_GO &&
3090 os_memcmp(ssid->bssid, peer, ETH_ALEN) == 0) {
3091 wpa_printf(MSG_DEBUG, "P2P: Remove persistent group %d "
3092 "due to invitation result", ssid->id);
3093 wpas_notify_network_removed(wpa_s, ssid);
3094 wpa_config_remove_network(wpa_s->conf, ssid->id);
3095 return;
3096 }
3097 return; /* Peer not found in client list */
3098 }
3099
3100 wpa_printf(MSG_DEBUG, "P2P: Remove peer " MACSTR " from persistent "
f2c56602
JM		 3101 "group %d client list%s",
3102 MAC2STR(peer), ssid->id,
3103 inv ? " due to invitation result" : "");
79cd993a
ST		 3104 os_memmove(ssid->p2p_client_list + i * 2 * ETH_ALEN,
3105 ssid->p2p_client_list + (i + 1) * 2 * ETH_ALEN,
3106 (ssid->num_p2p_clients - i - 1) * 2 * ETH_ALEN);
dbca75f8 3107 ssid->num_p2p_clients--;
b740401f
IP		 3108 if (p2p_wpa_s->conf->update_config &&
3109 wpa_config_write(p2p_wpa_s->confname, p2p_wpa_s->conf))
dbca75f8 3110 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
dbca75f8
JM		 3111}
3112
3113
3114static void wpas_remove_persistent_client(struct wpa_supplicant *wpa_s,
3115 const u8 *peer)
3116{
3117 struct wpa_ssid *ssid;
3118
3119 wpa_s = wpa_s->global->p2p_invite_group;
3120 if (wpa_s == NULL)
3121 return; /* No known invitation group */
3122 ssid = wpa_s->current_ssid;
3123 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3124 !ssid->p2p_persistent_group)
3125 return; /* Not operating as a GO in persistent group */
ba307f85 3126 ssid = wpas_p2p_get_persistent(wpa_s->p2pdev, peer,
dbca75f8 3127 ssid->ssid, ssid->ssid_len);
f2c56602 3128 wpas_remove_persistent_peer(wpa_s, ssid, peer, 1);
dbca75f8
JM		 3129}
3130
3131
54733624 3132static void wpas_invitation_result(void *ctx, int status, const u8 *bssid,
dbca75f8 3133 const struct p2p_channels *channels,
41d5ce9e
RR		 3134 const u8 *peer, int neg_freq,
3135 int peer_oper_freq)
b22128ef
JM		 3136{
3137 struct wpa_supplicant *wpa_s = ctx;
3138 struct wpa_ssid *ssid;
41d5ce9e 3139 int freq;
b22128ef
JM		 3140
3141 if (bssid) {
92c4465b
JM		 3142 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
3143 "status=%d " MACSTR,
3144 status, MAC2STR(bssid));
b22128ef 3145 } else {
92c4465b
JM		 3146 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
3147 "status=%d ", status);
b22128ef 3148 }
5ccdf84f 3149 wpas_notify_p2p_invitation_result(wpa_s, status, bssid);
b22128ef 3150
dbca75f8
JM		 3151 wpa_printf(MSG_DEBUG, "P2P: Invitation result - status=%d peer=" MACSTR,
3152 status, MAC2STR(peer));
3153 if (wpa_s->pending_invite_ssid_id == -1) {
6cbbae2c
IP		 3154 struct wpa_supplicant *group_if =
3155 wpa_s->global->p2p_invite_group;
3156
dbca75f8
JM		 3157 if (status == P2P_SC_FAIL_UNKNOWN_GROUP)
3158 wpas_remove_persistent_client(wpa_s, peer);
6cbbae2c
IP		 3159
3160 /*
3161 * Invitation to an active group. If this is successful and we
3162 * are the GO, set the client wait to postpone some concurrent
3163 * operations and to allow provisioning and connection to happen
3164 * more quickly.
3165 */
3166 if (status == P2P_SC_SUCCESS &&
3167 group_if && group_if->current_ssid &&
ed7820b4 3168 group_if->current_ssid->mode == WPAS_MODE_P2P_GO) {
6cbbae2c 3169 os_get_reltime(&wpa_s->global->p2p_go_wait_client);
ed7820b4
IP		 3170#ifdef CONFIG_TESTING_OPTIONS
3171 if (group_if->p2p_go_csa_on_inv) {
3172 wpa_printf(MSG_DEBUG,
3173 "Testing: force P2P GO CSA after invitation");
3174 eloop_cancel_timeout(
3175 wpas_p2p_reconsider_moving_go,
3176 wpa_s, NULL);
3177 eloop_register_timeout(
3178 0, 50000,
3179 wpas_p2p_reconsider_moving_go,
3180 wpa_s, NULL);
3181 }
3182#endif /* CONFIG_TESTING_OPTIONS */
3183 }
6cbbae2c 3184 return;
dbca75f8 3185 }
706887fc 3186
77e4e853
JM		 3187 if (status == P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
3188 wpa_printf(MSG_DEBUG, "P2P: Waiting for peer to start another "
3189 "invitation exchange to indicate readiness for "
3190 "re-invocation");
3191 }
3192
b22128ef 3193 if (status != P2P_SC_SUCCESS) {
dbca75f8
JM		 3194 if (status == P2P_SC_FAIL_UNKNOWN_GROUP) {
3195 ssid = wpa_config_get_network(
3196 wpa_s->conf, wpa_s->pending_invite_ssid_id);
f2c56602 3197 wpas_remove_persistent_peer(wpa_s, ssid, peer, 1);
dbca75f8 3198 }
b22128ef
JM		 3199 wpas_p2p_remove_pending_group_interface(wpa_s);
3200 return;
3201 }
3202
3203 ssid = wpa_config_get_network(wpa_s->conf,
3204 wpa_s->pending_invite_ssid_id);
3205 if (ssid == NULL) {
3206 wpa_printf(MSG_ERROR, "P2P: Could not find persistent group "
3207 "data matching with invitation");
3208 return;
3209 }
3210
13ece96f
JM		 3211 /*
3212 * The peer could have missed our ctrl::ack frame for Invitation
3213 * Response and continue retransmitting the frame. To reduce the
3214 * likelihood of the peer not getting successful TX status for the
3215 * Invitation Response frame, wait a short time here before starting
3216 * the persistent group so that we will remain on the current channel to
3217 * acknowledge any possible retransmission from the peer.
3218 */
3219 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: 50 ms wait on current channel before "
3220 "starting persistent group");
3221 os_sleep(0, 50000);
3222
41d5ce9e 3223 if (neg_freq > 0 && ssid->mode == WPAS_MODE_P2P_GO &&
e280110d 3224 freq_included(wpa_s, channels, neg_freq))
41d5ce9e
RR		 3225 freq = neg_freq;
3226 else if (peer_oper_freq > 0 && ssid->mode != WPAS_MODE_P2P_GO &&
e280110d 3227 freq_included(wpa_s, channels, peer_oper_freq))
41d5ce9e
RR		 3228 freq = peer_oper_freq;
3229 else
3230 freq = 0;
3231
3232 wpa_printf(MSG_DEBUG, "P2P: Persistent group invitation success - op_freq=%d MHz SSID=%s",
3233 freq, wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
b22128ef 3234 wpas_p2p_group_add_persistent(wpa_s, ssid,
4d32c0c4 3235 ssid->mode == WPAS_MODE_P2P_GO,
062a7c0d 3236 wpa_s->p2p_persistent_go_freq,
41d5ce9e 3237 freq,
c27f4c90 3238 wpa_s->p2p_go_vht_center_freq2,
20ea1ca4 3239 wpa_s->p2p_go_ht40, wpa_s->p2p_go_vht,
c27f4c90 3240 wpa_s->p2p_go_max_oper_chwidth,
20ea1ca4 3241 channels,
bbc6c729
JM		 3242 ssid->mode == WPAS_MODE_P2P_GO ?
3243 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE :
dfaf11d6 3244 0, 1);
b22128ef
JM		 3245}
3246
3247
6f3bc72b
JM		 3248static int wpas_p2p_disallowed_freq(struct wpa_global *global,
3249 unsigned int freq)
3250{
253f2e37
AH		 3251 if (freq_range_list_includes(&global->p2p_go_avoid_freq, freq))
3252 return 1;
af8a827b 3253 return freq_range_list_includes(&global->p2p_disallow_freq, freq);
6f3bc72b
JM		 3254}
3255
3256
3257static void wpas_p2p_add_chan(struct p2p_reg_class *reg, u8 chan)
3258{
3259 reg->channel[reg->channels] = chan;
3260 reg->channels++;
3261}
3262
3263
ac8d1011 3264static int wpas_p2p_default_channels(struct wpa_supplicant *wpa_s,
51e9f228
JM		 3265 struct p2p_channels *chan,
3266 struct p2p_channels *cli_chan)
ac8d1011
JM		 3267{
3268 int i, cla = 0;
3269
7475d299
JM		 3270 wpa_s->global->p2p_24ghz_social_channels = 1;
3271
51e9f228
JM		 3272 os_memset(cli_chan, 0, sizeof(*cli_chan));
3273
ac8d1011
JM		 3274 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for 2.4 GHz "
3275 "band");
3276
3277 /* Operating class 81 - 2.4 GHz band channels 1..13 */
3278 chan->reg_class[cla].reg_class = 81;
6f3bc72b
JM		 3279 chan->reg_class[cla].channels = 0;
3280 for (i = 0; i < 11; i++) {
3281 if (!wpas_p2p_disallowed_freq(wpa_s->global, 2412 + i * 5))
3282 wpas_p2p_add_chan(&chan->reg_class[cla], i + 1);
3283 }
3284 if (chan->reg_class[cla].channels)
3285 cla++;
ac8d1011
JM		 3286
3287 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for lower 5 GHz "
3288 "band");
3289
3290 /* Operating class 115 - 5 GHz, channels 36-48 */
3291 chan->reg_class[cla].reg_class = 115;
6f3bc72b
JM		 3292 chan->reg_class[cla].channels = 0;
3293 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 36 * 5))
3294 wpas_p2p_add_chan(&chan->reg_class[cla], 36);
3295 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 40 * 5))
3296 wpas_p2p_add_chan(&chan->reg_class[cla], 40);
3297 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 44 * 5))
3298 wpas_p2p_add_chan(&chan->reg_class[cla], 44);
3299 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 48 * 5))
3300 wpas_p2p_add_chan(&chan->reg_class[cla], 48);
3301 if (chan->reg_class[cla].channels)
3302 cla++;
ac8d1011
JM		 3303
3304 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for higher 5 GHz "
3305 "band");
3306
3307 /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
3308 chan->reg_class[cla].reg_class = 124;
6f3bc72b
JM		 3309 chan->reg_class[cla].channels = 0;
3310 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 149 * 5))
3311 wpas_p2p_add_chan(&chan->reg_class[cla], 149);
3312 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 153 * 5))
3313 wpas_p2p_add_chan(&chan->reg_class[cla], 153);
3314 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 156 * 5))
3315 wpas_p2p_add_chan(&chan->reg_class[cla], 157);
3316 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 161 * 5))
3317 wpas_p2p_add_chan(&chan->reg_class[cla], 161);
3318 if (chan->reg_class[cla].channels)
3319 cla++;
ac8d1011
JM		 3320
3321 chan->reg_classes = cla;
3322 return 0;
3323}
3324
3325
51e9f228 3326enum chan_allowed {
0a443580 3327 NOT_ALLOWED, NO_IR, ALLOWED
51e9f228
JM		 3328};
3329
6f3bc72b
JM		 3330static int has_channel(struct wpa_global *global,
3331 struct hostapd_hw_modes *mode, u8 chan, int *flags)
ac8d1011
JM		 3332{
3333 int i;
6f3bc72b
JM		 3334 unsigned int freq;
3335
3336 freq = (mode->mode == HOSTAPD_MODE_IEEE80211A ? 5000 : 2407) +
3337 chan * 5;
3338 if (wpas_p2p_disallowed_freq(global, freq))
51e9f228 3339 return NOT_ALLOWED;
ac8d1011
JM		 3340
3341 for (i = 0; i < mode->num_channels; i++) {
3342 if (mode->channels[i].chan == chan) {
51222429
JM		 3343 if (flags)
3344 *flags = mode->channels[i].flag;
51e9f228
JM		 3345 if (mode->channels[i].flag &
3346 (HOSTAPD_CHAN_DISABLED |
3347 HOSTAPD_CHAN_RADAR))
3348 return NOT_ALLOWED;
0a443580
IP		 3349 if (mode->channels[i].flag & HOSTAPD_CHAN_NO_IR)
3350 return NO_IR;
51e9f228 3351 return ALLOWED;
ac8d1011
JM		 3352 }
3353 }
3354
51e9f228 3355 return NOT_ALLOWED;
ac8d1011
JM		 3356}
3357
3358
ca9bc5b5
EP		 3359static int wpas_p2p_get_center_80mhz(struct wpa_supplicant *wpa_s,
3360 struct hostapd_hw_modes *mode,
3361 u8 channel)
3362{
3363 u8 center_channels[] = { 42, 58, 106, 122, 138, 155 };
3364 unsigned int i;
3365
3366 if (mode->mode != HOSTAPD_MODE_IEEE80211A)
3367 return 0;
3368
3369 for (i = 0; i < ARRAY_SIZE(center_channels); i++)
3370 /*
3371 * In 80 MHz, the bandwidth "spans" 12 channels (e.g., 36-48),
3372 * so the center channel is 6 channels away from the start/end.
3373 */
3374 if (channel >= center_channels[i] - 6 &&
3375 channel <= center_channels[i] + 6)
3376 return center_channels[i];
3377
3378 return 0;
3379}
3380
3381
3382static enum chan_allowed wpas_p2p_verify_80mhz(struct wpa_supplicant *wpa_s,
3383 struct hostapd_hw_modes *mode,
3384 u8 channel, u8 bw)
3385{
3386 u8 center_chan;
3387 int i, flags;
3388 enum chan_allowed res, ret = ALLOWED;
3389
3390 center_chan = wpas_p2p_get_center_80mhz(wpa_s, mode, channel);
3391 if (!center_chan)
3392 return NOT_ALLOWED;
3393 if (center_chan >= 58 && center_chan <= 138)
3394 return NOT_ALLOWED; /* Do not allow DFS channels for P2P */
3395
3396 /* check all the channels are available */
3397 for (i = 0; i < 4; i++) {
3398 int adj_chan = center_chan - 6 + i * 4;
3399
3400 res = has_channel(wpa_s->global, mode, adj_chan, &flags);
3401 if (res == NOT_ALLOWED)
3402 return NOT_ALLOWED;
0a443580
IP		 3403 if (res == NO_IR)
3404 ret = NO_IR;
ca9bc5b5
EP		 3405
3406 if (i == 0 && !(flags & HOSTAPD_CHAN_VHT_10_70))
3407 return NOT_ALLOWED;
3408 if (i == 1 && !(flags & HOSTAPD_CHAN_VHT_30_50))
3409 return NOT_ALLOWED;
3410 if (i == 2 && !(flags & HOSTAPD_CHAN_VHT_50_30))
3411 return NOT_ALLOWED;
3412 if (i == 3 && !(flags & HOSTAPD_CHAN_VHT_70_10))
3413 return NOT_ALLOWED;
3414 }
3415
3416 return ret;
3417}
3418
3419
bee5d8e0
AK		 3420static int wpas_p2p_get_center_160mhz(struct wpa_supplicant *wpa_s,
3421 struct hostapd_hw_modes *mode,
3422 u8 channel)
3423{
3424 u8 center_channels[] = { 50, 114 };
3425 unsigned int i;
3426
3427 if (mode->mode != HOSTAPD_MODE_IEEE80211A)
3428 return 0;
3429
3430 for (i = 0; i < ARRAY_SIZE(center_channels); i++)
3431 /*
3432 * In 160 MHz, the bandwidth "spans" 28 channels (e.g., 36-64),
3433 * so the center channel is 14 channels away from the start/end.
3434 */
3435 if (channel >= center_channels[i] - 14 &&
3436 channel <= center_channels[i] + 14)
3437 return center_channels[i];
3438
3439 return 0;
3440}
3441
3442
3443static enum chan_allowed wpas_p2p_verify_160mhz(struct wpa_supplicant *wpa_s,
3444 struct hostapd_hw_modes *mode,
3445 u8 channel, u8 bw)
3446{
3447 u8 center_chan;
3448 int i, flags;
3449 enum chan_allowed res, ret = ALLOWED;
3450
3451 center_chan = wpas_p2p_get_center_160mhz(wpa_s, mode, channel);
3452 if (!center_chan)
3453 return NOT_ALLOWED;
3454 /* VHT 160 MHz uses DFS channels in most countries. */
3455
3456 /* Check all the channels are available */
3457 for (i = 0; i < 8; i++) {
3458 int adj_chan = center_chan - 14 + i * 4;
3459
3460 res = has_channel(wpa_s->global, mode, adj_chan, &flags);
3461 if (res == NOT_ALLOWED)
3462 return NOT_ALLOWED;
3463
3464 if (res == NO_IR)
3465 ret = NO_IR;
3466
3467 if (i == 0 && !(flags & HOSTAPD_CHAN_VHT_10_150))
3468 return NOT_ALLOWED;
3469 if (i == 1 && !(flags & HOSTAPD_CHAN_VHT_30_130))
3470 return NOT_ALLOWED;
3471 if (i == 2 && !(flags & HOSTAPD_CHAN_VHT_50_110))
3472 return NOT_ALLOWED;
3473 if (i == 3 && !(flags & HOSTAPD_CHAN_VHT_70_90))
3474 return NOT_ALLOWED;
3475 if (i == 4 && !(flags & HOSTAPD_CHAN_VHT_90_70))
3476 return NOT_ALLOWED;
3477 if (i == 5 && !(flags & HOSTAPD_CHAN_VHT_110_50))
3478 return NOT_ALLOWED;
3479 if (i == 6 && !(flags & HOSTAPD_CHAN_VHT_130_30))
3480 return NOT_ALLOWED;
3481 if (i == 7 && !(flags & HOSTAPD_CHAN_VHT_150_10))
3482 return NOT_ALLOWED;
3483 }
3484
3485 return ret;
3486}
3487
3488
51e9f228
JM		 3489static enum chan_allowed wpas_p2p_verify_channel(struct wpa_supplicant *wpa_s,
3490 struct hostapd_hw_modes *mode,
3491 u8 channel, u8 bw)
931228aa 3492{
cbf21c7c 3493 int flag = 0;
51e9f228
JM		 3494 enum chan_allowed res, res2;
3495
3496 res2 = res = has_channel(wpa_s->global, mode, channel, &flag);
3497 if (bw == BW40MINUS) {
3498 if (!(flag & HOSTAPD_CHAN_HT40MINUS))
3499 return NOT_ALLOWED;
3500 res2 = has_channel(wpa_s->global, mode, channel - 4, NULL);
3501 } else if (bw == BW40PLUS) {
3502 if (!(flag & HOSTAPD_CHAN_HT40PLUS))
3503 return NOT_ALLOWED;
3504 res2 = has_channel(wpa_s->global, mode, channel + 4, NULL);
ca9bc5b5
EP		 3505 } else if (bw == BW80) {
3506 res2 = wpas_p2p_verify_80mhz(wpa_s, mode, channel, bw);
bee5d8e0
AK		 3507 } else if (bw == BW160) {
3508 res2 = wpas_p2p_verify_160mhz(wpa_s, mode, channel, bw);
51e9f228
JM		 3509 }
3510
3511 if (res == NOT_ALLOWED || res2 == NOT_ALLOWED)
3512 return NOT_ALLOWED;
0a443580
IP		 3513 if (res == NO_IR || res2 == NO_IR)
3514 return NO_IR;
51e9f228 3515 return res;
931228aa
RM		 3516}
3517
3518
b22128ef 3519static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s,
51e9f228
JM		 3520 struct p2p_channels *chan,
3521 struct p2p_channels *cli_chan)
b22128ef 3522{
6bf731e8 3523 struct hostapd_hw_modes *mode;
51e9f228 3524 int cla, op, cli_cla;
b22128ef 3525
6bf731e8 3526 if (wpa_s->hw.modes == NULL) {
b22128ef
JM		 3527 wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching "
3528 "of all supported channels; assume dualband "
3529 "support");
51e9f228 3530 return wpas_p2p_default_channels(wpa_s, chan, cli_chan);
b22128ef
JM		 3531 }
3532
51e9f228 3533 cla = cli_cla = 0;
b22128ef 3534
7d46f586
AS		 3535 for (op = 0; global_op_class[op].op_class; op++) {
3536 const struct oper_class_map *o = &global_op_class[op];
ac8d1011 3537 u8 ch;
51e9f228 3538 struct p2p_reg_class *reg = NULL, *cli_reg = NULL;
b22128ef 3539
7d46f586
AS		 3540 if (o->p2p == NO_P2P_SUPP)
3541 continue;
3542
6bf731e8 3543 mode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes, o->mode);
ac8d1011
JM		 3544 if (mode == NULL)
3545 continue;
7475d299
JM		 3546 if (mode->mode == HOSTAPD_MODE_IEEE80211G)
3547 wpa_s->global->p2p_24ghz_social_channels = 1;
ac8d1011 3548 for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
51e9f228
JM		 3549 enum chan_allowed res;
3550 res = wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw);
3551 if (res == ALLOWED) {
3552 if (reg == NULL) {
3553 wpa_printf(MSG_DEBUG, "P2P: Add operating class %u",
3554 o->op_class);
3555 reg = &chan->reg_class[cla];
3556 cla++;
3557 reg->reg_class = o->op_class;
3558 }
3559 reg->channel[reg->channels] = ch;
3560 reg->channels++;
0a443580 3561 } else if (res == NO_IR &&
51e9f228
JM		 3562 wpa_s->conf->p2p_add_cli_chan) {
3563 if (cli_reg == NULL) {
3564 wpa_printf(MSG_DEBUG, "P2P: Add operating class %u (client only)",
3565 o->op_class);
3566 cli_reg = &cli_chan->reg_class[cli_cla];
3567 cli_cla++;
3568 cli_reg->reg_class = o->op_class;
3569 }
3570 cli_reg->channel[cli_reg->channels] = ch;
3571 cli_reg->channels++;
ac8d1011 3572 }
ac8d1011
JM		 3573 }
3574 if (reg) {
3575 wpa_hexdump(MSG_DEBUG, "P2P: Channels",
3576 reg->channel, reg->channels);
3577 }
51e9f228
JM		 3578 if (cli_reg) {
3579 wpa_hexdump(MSG_DEBUG, "P2P: Channels (client only)",
3580 cli_reg->channel, cli_reg->channels);
3581 }
b22128ef
JM		 3582 }
3583
ac8d1011 3584 chan->reg_classes = cla;
51e9f228 3585 cli_chan->reg_classes = cli_cla;
b22128ef 3586
b22128ef
JM		 3587 return 0;
3588}
3589
3590
7aeac985
RM		 3591int wpas_p2p_get_ht40_mode(struct wpa_supplicant *wpa_s,
3592 struct hostapd_hw_modes *mode, u8 channel)
3593{
51e9f228
JM		 3594 int op;
3595 enum chan_allowed ret;
7aeac985 3596
7d46f586
AS		 3597 for (op = 0; global_op_class[op].op_class; op++) {
3598 const struct oper_class_map *o = &global_op_class[op];
7aeac985
RM		 3599 u8 ch;
3600
7d46f586
AS		 3601 if (o->p2p == NO_P2P_SUPP)
3602 continue;
3603
7aeac985
RM		 3604 for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
3605 if (o->mode != HOSTAPD_MODE_IEEE80211A ||
e4a80d89
EP		 3606 (o->bw != BW40PLUS && o->bw != BW40MINUS) ||
3607 ch != channel)
7aeac985
RM		 3608 continue;
3609 ret = wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw);
51e9f228 3610 if (ret == ALLOWED)
7aeac985 3611 return (o->bw == BW40MINUS) ? -1 : 1;
7aeac985
RM		 3612 }
3613 }
3614 return 0;
3615}
3616
3617
ca9bc5b5
EP		 3618int wpas_p2p_get_vht80_center(struct wpa_supplicant *wpa_s,
3619 struct hostapd_hw_modes *mode, u8 channel)
3620{
3621 if (!wpas_p2p_verify_channel(wpa_s, mode, channel, BW80))
3622 return 0;
3623
3624 return wpas_p2p_get_center_80mhz(wpa_s, mode, channel);
3625}
3626
3627
bee5d8e0
AK		 3628int wpas_p2p_get_vht160_center(struct wpa_supplicant *wpa_s,
3629 struct hostapd_hw_modes *mode, u8 channel)
3630{
3631 if (!wpas_p2p_verify_channel(wpa_s, mode, channel, BW160))
3632 return 0;
3633 return wpas_p2p_get_center_160mhz(wpa_s, mode, channel);
3634}
3635
3636
b22128ef
JM		 3637static int wpas_get_noa(void *ctx, const u8 *interface_addr, u8 *buf,
3638 size_t buf_len)
3639{
3640 struct wpa_supplicant *wpa_s = ctx;
3641
3642 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3643 if (os_memcmp(wpa_s->own_addr, interface_addr, ETH_ALEN) == 0)
3644 break;
3645 }
3646 if (wpa_s == NULL)
3647 return -1;
3648
3649 return wpa_drv_get_noa(wpa_s, buf, buf_len);
3650}
3651
3652
6f04642f
TB		 3653struct wpa_supplicant * wpas_get_p2p_go_iface(struct wpa_supplicant *wpa_s,
3654 const u8 *ssid, size_t ssid_len)
b1aebbc4 3655{
6f04642f
TB		 3656 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3657 struct wpa_ssid *s = wpa_s->current_ssid;
3658 if (s == NULL)
3659 continue;
3660 if (s->mode != WPAS_MODE_P2P_GO &&
3661 s->mode != WPAS_MODE_AP &&
3662 s->mode != WPAS_MODE_P2P_GROUP_FORMATION)
3663 continue;
3664 if (s->ssid_len != ssid_len ||
af65bc36 3665 os_memcmp(ssid, s->ssid, ssid_len) != 0)
6f04642f
TB		 3666 continue;
3667 return wpa_s;
3668 }
3669
3670 return NULL;
3671
3672}
3673
b1aebbc4 3674
6f04642f
TB		 3675struct wpa_supplicant * wpas_get_p2p_client_iface(struct wpa_supplicant *wpa_s,
3676 const u8 *peer_dev_addr)
3677{
b1aebbc4
JM		 3678 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3679 struct wpa_ssid *ssid = wpa_s->current_ssid;
9f59fe8d 3680 if (ssid && (ssid->mode != WPAS_MODE_INFRA || !ssid->p2p_group))
b1aebbc4 3681 continue;
6f04642f
TB		 3682 if (os_memcmp(wpa_s->go_dev_addr, peer_dev_addr, ETH_ALEN) == 0)
3683 return wpa_s;
b1aebbc4
JM		 3684 }
3685
6f04642f
TB		 3686 return NULL;
3687}
3688
3689
3690static int wpas_go_connected(void *ctx, const u8 *dev_addr)
3691{
3692 struct wpa_supplicant *wpa_s = ctx;
3693
3694 return wpas_get_p2p_client_iface(wpa_s, dev_addr) != NULL;
b1aebbc4
JM		 3695}
3696
3697
a2d63657
RR		 3698static int wpas_is_concurrent_session_active(void *ctx)
3699{
3700 struct wpa_supplicant *wpa_s = ctx;
3701 struct wpa_supplicant *ifs;
3702
3703 for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) {
3704 if (ifs == wpa_s)
3705 continue;
3706 if (ifs->wpa_state > WPA_ASSOCIATED)
3707 return 1;
3708 }
3709 return 0;
3710}
3711
3712
ed496f13
JM		 3713static void wpas_p2p_debug_print(void *ctx, int level, const char *msg)
3714{
3715 struct wpa_supplicant *wpa_s = ctx;
92c4465b 3716 wpa_msg_global(wpa_s, level, "P2P: %s", msg);
ed496f13
JM		 3717}
3718
3719
f1a61311
JM		 3720int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant *wpa_s,
3721 const char *conf_p2p_dev)
c68f6200
AS		 3722{
3723 struct wpa_interface iface;
3724 struct wpa_supplicant *p2pdev_wpa_s;
3725 char ifname[100];
3726 char force_name[100];
3727 int ret;
3728
1d399771
JM		 3729 ret = os_snprintf(ifname, sizeof(ifname), P2P_MGMT_DEVICE_PREFIX "%s",
3730 wpa_s->ifname);
3731 if (os_snprintf_error(sizeof(ifname), ret))
3732 return -1;
c68f6200
AS		 3733 force_name[0] = '\0';
3734 wpa_s->pending_interface_type = WPA_IF_P2P_DEVICE;
3735 ret = wpa_drv_if_add(wpa_s, WPA_IF_P2P_DEVICE, ifname, NULL, NULL,
3736 force_name, wpa_s->pending_interface_addr, NULL);
3737 if (ret < 0) {
3738 wpa_printf(MSG_DEBUG, "P2P: Failed to create P2P Device interface");
3739 return ret;
3740 }
3741 os_strlcpy(wpa_s->pending_interface_name, ifname,
3742 sizeof(wpa_s->pending_interface_name));
3743
3744 os_memset(&iface, 0, sizeof(iface));
3745 iface.p2p_mgmt = 1;
3746 iface.ifname = wpa_s->pending_interface_name;
3747 iface.driver = wpa_s->driver->name;
c68f6200 3748 iface.driver_param = wpa_s->conf->driver_param;
c16a7590
IP		 3749
3750 /*
3751 * If a P2P Device configuration file was given, use it as the interface
3752 * configuration file (instead of using parent's configuration file.
3753 */
f1a61311
JM		 3754 if (conf_p2p_dev) {
3755 iface.confname = conf_p2p_dev;
c16a7590
IP		 3756 iface.ctrl_interface = NULL;
3757 } else {
3758 iface.confname = wpa_s->confname;
3759 iface.ctrl_interface = wpa_s->conf->ctrl_interface;
3760 }
c16a7590 3761
1772d348 3762 p2pdev_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface, wpa_s);
c68f6200
AS		 3763 if (!p2pdev_wpa_s) {
3764 wpa_printf(MSG_DEBUG, "P2P: Failed to add P2P Device interface");
3765 return -1;
3766 }
3767
96a26ab7 3768 p2pdev_wpa_s->p2pdev = p2pdev_wpa_s;
c68f6200
AS		 3769 wpa_s->pending_interface_name[0] = '\0';
3770 return 0;
3771}
3772
3773
c64e3a08
JM		 3774static void wpas_presence_resp(void *ctx, const u8 *src, u8 status,
3775 const u8 *noa, size_t noa_len)
3776{
3777 struct wpa_supplicant *wpa_s, *intf = ctx;
3778 char hex[100];
3779
3780 for (wpa_s = intf->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3781 if (wpa_s->waiting_presence_resp)
3782 break;
3783 }
3784 if (!wpa_s) {
3785 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No group interface was waiting for presence response");
3786 return;
3787 }
3788 wpa_s->waiting_presence_resp = 0;
3789
3790 wpa_snprintf_hex(hex, sizeof(hex), noa, noa_len);
3791 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PRESENCE_RESPONSE "src=" MACSTR
3792 " status=%u noa=%s", MAC2STR(src), status, hex);
3793}
3794
3795
369678ad
KV		 3796static int wpas_get_persistent_group(void *ctx, const u8 *addr, const u8 *ssid,
3797 size_t ssid_len, u8 *go_dev_addr,
1f1a08b4
AO		 3798 u8 *ret_ssid, size_t *ret_ssid_len,
3799 u8 *intended_iface_addr)
369678ad
KV		 3800{
3801 struct wpa_supplicant *wpa_s = ctx;
3802 struct wpa_ssid *s;
3803
3804 s = wpas_p2p_get_persistent(wpa_s, addr, ssid, ssid_len);
3805 if (s) {
3806 os_memcpy(ret_ssid, s->ssid, s->ssid_len);
3807 *ret_ssid_len = s->ssid_len;
3808 os_memcpy(go_dev_addr, s->bssid, ETH_ALEN);
1f1a08b4
AO		 3809
3810 if (s->mode != WPAS_MODE_P2P_GO) {
3811 os_memset(intended_iface_addr, 0, ETH_ALEN);
3812 } else if (wpas_p2p_create_iface(wpa_s)) {
3813 if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO))
3814 return 0;
3815
3816 os_memcpy(intended_iface_addr,
3817 wpa_s->pending_interface_addr, ETH_ALEN);
3818 } else {
3819 os_memcpy(intended_iface_addr, wpa_s->own_addr,
3820 ETH_ALEN);
3821 }
369678ad
KV		 3822 return 1;
3823 }
3824
3825 return 0;
3826}
3827
3828
3829static int wpas_get_go_info(void *ctx, u8 *intended_addr,
ebd32943
IP		 3830 u8 *ssid, size_t *ssid_len, int *group_iface,
3831 unsigned int *freq)
369678ad
KV		 3832{
3833 struct wpa_supplicant *wpa_s = ctx;
ebd32943 3834 struct wpa_supplicant *go;
369678ad 3835 struct wpa_ssid *s;
369678ad 3836
5cc6ec0f
AO		 3837 /*
3838 * group_iface will be set to 1 only if a dedicated interface for P2P
3839 * role is required. First, we try to reuse an active GO. However,
3840 * if it is not present, we will try to reactivate an existing
3841 * persistent group and set group_iface to 1, so the caller will know
3842 * that the pending interface should be used.
3843 */
3844 *group_iface = 0;
ebd32943
IP		 3845
3846 if (freq)
3847 *freq = 0;
3848
3849 go = wpas_p2p_get_go_group(wpa_s);
3850 if (!go) {
369678ad 3851 s = wpas_p2p_get_persistent_go(wpa_s);
5cc6ec0f 3852 *group_iface = wpas_p2p_create_iface(wpa_s);
369678ad 3853 if (s)
ebd32943 3854 os_memcpy(intended_addr, s->bssid, ETH_ALEN);
5cc6ec0f
AO		 3855 else
3856 return 0;
ebd32943
IP		 3857 } else {
3858 s = go->current_ssid;
3859 os_memcpy(intended_addr, go->own_addr, ETH_ALEN);
3860 if (freq)
3861 *freq = go->assoc_freq;
369678ad
KV		 3862 }
3863
369678ad
KV		 3864 os_memcpy(ssid, s->ssid, s->ssid_len);
3865 *ssid_len = s->ssid_len;
3866
3867 return 1;
3868}
3869
3870
895d94de
KV		 3871static int wpas_remove_stale_groups(void *ctx, const u8 *peer, const u8 *go,
3872 const u8 *ssid, size_t ssid_len)
3873{
3874 struct wpa_supplicant *wpa_s = ctx;
3875 struct wpa_ssid *s;
3876 int save_config = 0;
3877 size_t i;
3878
3879 /* Start with our first choice of Persistent Groups */
3880 while ((s = wpas_p2p_get_persistent(wpa_s, peer, NULL, 0))) {
3881 if (go && ssid && ssid_len &&
3882 s->ssid_len == ssid_len &&
3883 os_memcmp(go, s->bssid, ETH_ALEN) == 0 &&
3884 os_memcmp(ssid, s->ssid, ssid_len) == 0)
3885 break;
3886
3887 /* Remove stale persistent group */
3888 if (s->mode != WPAS_MODE_P2P_GO || s->num_p2p_clients <= 1) {
3889 wpa_config_remove_network(wpa_s->conf, s->id);
3890 save_config = 1;
3891 continue;
3892 }
3893
3894 for (i = 0; i < s->num_p2p_clients; i++) {
3895 if (os_memcmp(s->p2p_client_list + i * 2 * ETH_ALEN,
3896 peer, ETH_ALEN) != 0)
3897 continue;
3898
3899 os_memmove(s->p2p_client_list + i * 2 * ETH_ALEN,
3900 s->p2p_client_list + (i + 1) * 2 * ETH_ALEN,
3901 (s->num_p2p_clients - i - 1) * 2 * ETH_ALEN);
3902 break;
3903 }
3904 s->num_p2p_clients--;
3905 save_config = 1;
3906 }
3907
3908 if (save_config)
3909 p2p_config_write(wpa_s);
3910
3911 /* Return TRUE if valid SSID remains */
3912 return s != NULL;
3913}
3914
3915
88f3d7c9
MS		 3916static void wpas_p2ps_get_feat_cap_str(char *buf, size_t buf_len,
3917 const u8 *feat_cap, size_t feat_cap_len)
3918{
3919 static const char pref[] = " feature_cap=";
3920 int ret;
3921
3922 buf[0] = '\0';
3923
3924 /*
3925 * We expect a feature capability to contain at least one byte to be
3926 * reported. The string buffer provided by the caller function is
3927 * expected to be big enough to contain all bytes of the attribute for
3928 * known specifications. This function truncates the reported bytes if
3929 * the feature capability data exceeds the string buffer size.
3930 */
3931 if (!feat_cap || !feat_cap_len || buf_len < sizeof(pref) + 2)
3932 return;
3933
3934 os_memcpy(buf, pref, sizeof(pref));
3935 ret = wpa_snprintf_hex(&buf[sizeof(pref) - 1],
3936 buf_len - sizeof(pref) + 1,
3937 feat_cap, feat_cap_len);
3938
3939 if (ret != (2 * (int) feat_cap_len))
3940 wpa_printf(MSG_WARNING, "P2PS feature_cap bytes truncated");
3941}
3942
3943
5fefce27
KV		 3944static void wpas_p2ps_prov_complete(void *ctx, u8 status, const u8 *dev,
3945 const u8 *adv_mac, const u8 *ses_mac,
3946 const u8 *grp_mac, u32 adv_id, u32 ses_id,
3947 u8 conncap, int passwd_id,
3948 const u8 *persist_ssid,
3949 size_t persist_ssid_size, int response_done,
88f3d7c9 3950 int prov_start, const char *session_info,
8bb8e6ed 3951 const u8 *feat_cap, size_t feat_cap_len,
aa256cb3
JM		 3952 unsigned int freq,
3953 const u8 *group_ssid, size_t group_ssid_len)
5fefce27
KV		 3954{
3955 struct wpa_supplicant *wpa_s = ctx;
3956 u8 mac[ETH_ALEN];
cd571e14 3957 struct wpa_ssid *persistent_go, *stale, *s = NULL;
5fefce27
KV		 3958 int save_config = 0;
3959 struct wpa_supplicant *go_wpa_s;
88f3d7c9 3960 char feat_cap_str[256];
5fefce27
KV		 3961
3962 if (!dev)
3963 return;
3964
3965 os_memset(mac, 0, ETH_ALEN);
3966 if (!adv_mac)
3967 adv_mac = mac;
3968 if (!ses_mac)
3969 ses_mac = mac;
3970 if (!grp_mac)
3971 grp_mac = mac;
3972
88f3d7c9
MS		 3973 wpas_p2ps_get_feat_cap_str(feat_cap_str, sizeof(feat_cap_str),
3974 feat_cap, feat_cap_len);
3975
5fefce27
KV		 3976 if (prov_start) {
3977 if (session_info == NULL) {
3978 wpa_msg_global(wpa_s, MSG_INFO,
3979 P2P_EVENT_P2PS_PROVISION_START MACSTR
3980 " adv_id=%x conncap=%x"
3981 " adv_mac=" MACSTR
3982 " session=%x mac=" MACSTR
88f3d7c9 3983 " dev_passwd_id=%d%s",
5fefce27
KV		 3984 MAC2STR(dev), adv_id, conncap,
3985 MAC2STR(adv_mac),
3986 ses_id, MAC2STR(ses_mac),
88f3d7c9 3987 passwd_id, feat_cap_str);
5fefce27
KV		 3988 } else {
3989 wpa_msg_global(wpa_s, MSG_INFO,
3990 P2P_EVENT_P2PS_PROVISION_START MACSTR
3991 " adv_id=%x conncap=%x"
3992 " adv_mac=" MACSTR
3993 " session=%x mac=" MACSTR
88f3d7c9 3994 " dev_passwd_id=%d info='%s'%s",
5fefce27
KV		 3995 MAC2STR(dev), adv_id, conncap,
3996 MAC2STR(adv_mac),
3997 ses_id, MAC2STR(ses_mac),
88f3d7c9 3998 passwd_id, session_info, feat_cap_str);
5fefce27
KV		 3999 }
4000 return;
4001 }
4002
4003 go_wpa_s = wpas_p2p_get_go_group(wpa_s);
4004 persistent_go = wpas_p2p_get_persistent_go(wpa_s);
4005
4006 if (status && status != P2P_SC_SUCCESS_DEFERRED) {
4007 if (go_wpa_s && !p2p_group_go_member_count(wpa_s))
4008 wpas_p2p_group_remove(wpa_s, go_wpa_s->ifname);
4009
4010 if (persistent_go && !persistent_go->num_p2p_clients) {
4011 /* remove empty persistent GO */
4012 wpa_config_remove_network(wpa_s->conf,
4013 persistent_go->id);
4014 }
4015
4016 wpa_msg_global(wpa_s, MSG_INFO,
4017 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
4018 " status=%d"
4019 " adv_id=%x adv_mac=" MACSTR
88f3d7c9 4020 " session=%x mac=" MACSTR "%s",
5fefce27
KV		 4021 MAC2STR(dev), status,
4022 adv_id, MAC2STR(adv_mac),
88f3d7c9 4023 ses_id, MAC2STR(ses_mac), feat_cap_str);
5fefce27
KV		 4024 return;
4025 }
4026
4027 /* Clean up stale persistent groups with this device */
cd571e14
MS		 4028 if (persist_ssid && persist_ssid_size)
4029 s = wpas_p2p_get_persistent(wpa_s, dev, persist_ssid,
4030 persist_ssid_size);
1f14e2bf
AO		 4031
4032 if (persist_ssid && s && s->mode != WPAS_MODE_P2P_GO &&
2a098e36 4033 is_zero_ether_addr(grp_mac)) {
1f14e2bf
AO		 4034 wpa_dbg(wpa_s, MSG_ERROR,
4035 "P2P: Peer device is a GO in a persistent group, but it did not provide the intended MAC address");
4036 return;
4037 }
4038
5fefce27
KV		 4039 for (;;) {
4040 stale = wpas_p2p_get_persistent(wpa_s, dev, NULL, 0);
4041 if (!stale)
4042 break;
4043
4044 if (s && s->ssid_len == stale->ssid_len &&
4045 os_memcmp(stale->bssid, s->bssid, ETH_ALEN) == 0 &&
4046 os_memcmp(stale->ssid, s->ssid, s->ssid_len) == 0)
4047 break;
4048
4049 /* Remove stale persistent group */
4050 if (stale->mode != WPAS_MODE_P2P_GO ||
4051 stale->num_p2p_clients <= 1) {
4052 wpa_config_remove_network(wpa_s->conf, stale->id);
4053 } else {
4054 size_t i;
4055
4056 for (i = 0; i < stale->num_p2p_clients; i++) {
4057 if (os_memcmp(stale->p2p_client_list +
4058 i * ETH_ALEN,
4059 dev, ETH_ALEN) == 0) {
4060 os_memmove(stale->p2p_client_list +
4061 i * ETH_ALEN,
4062 stale->p2p_client_list +
4063 (i + 1) * ETH_ALEN,
4064 (stale->num_p2p_clients -
4065 i - 1) * ETH_ALEN);
4066 break;
4067 }
4068 }
4069 stale->num_p2p_clients--;
4070 }
4071 save_config = 1;
4072 }
4073
4074 if (save_config)
4075 p2p_config_write(wpa_s);
4076
4077 if (s) {
4078 if (go_wpa_s && !p2p_group_go_member_count(wpa_s))
4079 wpas_p2p_group_remove(wpa_s, go_wpa_s->ifname);
4080
4081 if (persistent_go && s != persistent_go &&
4082 !persistent_go->num_p2p_clients) {
4083 /* remove empty persistent GO */
4084 wpa_config_remove_network(wpa_s->conf,
4085 persistent_go->id);
4086 /* Save config */
4087 }
4088
4089 wpa_msg_global(wpa_s, MSG_INFO,
4090 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
4091 " status=%d"
4092 " adv_id=%x adv_mac=" MACSTR
4093 " session=%x mac=" MACSTR
88f3d7c9 4094 " persist=%d%s",
5fefce27
KV		 4095 MAC2STR(dev), status,
4096 adv_id, MAC2STR(adv_mac),
88f3d7c9 4097 ses_id, MAC2STR(ses_mac), s->id, feat_cap_str);
5fefce27
KV		 4098 return;
4099 }
4100
4101 if (conncap == P2PS_SETUP_GROUP_OWNER) {
23bb9828
AO		 4102 /*
4103 * We need to copy the interface name. Simply saving a
4104 * pointer isn't enough, since if we use pending_interface_name
4105 * it will be overwritten when the group is added.
4106 */
4107 char go_ifname[100];
4108
4109 go_ifname[0] = '\0';
5fefce27
KV		 4110 if (!go_wpa_s) {
4111 wpa_s->global->pending_p2ps_group = 1;
8bb8e6ed 4112 wpa_s->global->pending_p2ps_group_freq = freq;
5fefce27 4113
a698d6c8 4114 if (!wpas_p2p_create_iface(wpa_s))
23bb9828
AO		 4115 os_memcpy(go_ifname, wpa_s->ifname,
4116 sizeof(go_ifname));
5fefce27 4117 else if (wpa_s->pending_interface_name[0])
23bb9828
AO		 4118 os_memcpy(go_ifname,
4119 wpa_s->pending_interface_name,
4120 sizeof(go_ifname));
5fefce27 4121
23bb9828 4122 if (!go_ifname[0]) {
5fefce27
KV		 4123 wpas_p2ps_prov_complete(
4124 wpa_s, P2P_SC_FAIL_UNKNOWN_GROUP,
4125 dev, adv_mac, ses_mac,
2a098e36 4126 grp_mac, adv_id, ses_id, 0, 0,
aa256cb3
JM		 4127 NULL, 0, 0, 0, NULL, NULL, 0, 0,
4128 NULL, 0);
5fefce27
KV		 4129 return;
4130 }
4131
4132 /* If PD Resp complete, start up the GO */
4133 if (response_done && persistent_go) {
4134 wpas_p2p_group_add_persistent(
4135 wpa_s, persistent_go,
c27f4c90 4136 0, 0, freq, 0, 0, 0, 0, NULL,
5fefce27
KV		 4137 persistent_go->mode ==
4138 WPAS_MODE_P2P_GO ?
4139 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE :
dfaf11d6 4140 0, 0);
5fefce27 4141 } else if (response_done) {
c27f4c90 4142 wpas_p2p_group_add(wpa_s, 1, freq, 0, 0, 0, 0);
5fefce27 4143 }
306aaf49
KV		 4144
4145 if (passwd_id == DEV_PW_P2PS_DEFAULT) {
b9da88d6
AO		 4146 os_memcpy(wpa_s->p2ps_join_addr, grp_mac,
4147 ETH_ALEN);
4148 wpa_s->p2ps_method_config_any = 1;
306aaf49 4149 }
5fefce27 4150 } else if (passwd_id == DEV_PW_P2PS_DEFAULT) {
23bb9828
AO		 4151 os_memcpy(go_ifname, go_wpa_s->ifname,
4152 sizeof(go_ifname));
5fefce27 4153
b9da88d6
AO		 4154 if (is_zero_ether_addr(grp_mac)) {
4155 wpa_dbg(go_wpa_s, MSG_DEBUG,
4156 "P2P: Setting PIN-1 for ANY");
4157 wpa_supplicant_ap_wps_pin(go_wpa_s, NULL,
4158 "12345670", NULL, 0,
4159 0);
4160 } else {
4161 wpa_dbg(go_wpa_s, MSG_DEBUG,
4162 "P2P: Setting PIN-1 for " MACSTR,
4163 MAC2STR(grp_mac));
4164 wpa_supplicant_ap_wps_pin(go_wpa_s, grp_mac,
4165 "12345670", NULL, 0,
4166 0);
4167 }
306aaf49 4168
b9da88d6
AO		 4169 os_memcpy(wpa_s->p2ps_join_addr, grp_mac, ETH_ALEN);
4170 wpa_s->p2ps_method_config_any = 1;
5fefce27
KV		 4171 }
4172
4173 wpa_msg_global(wpa_s, MSG_INFO,
4174 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
4175 " status=%d conncap=%x"
4176 " adv_id=%x adv_mac=" MACSTR
4177 " session=%x mac=" MACSTR
88f3d7c9 4178 " dev_passwd_id=%d go=%s%s",
5fefce27
KV		 4179 MAC2STR(dev), status, conncap,
4180 adv_id, MAC2STR(adv_mac),
4181 ses_id, MAC2STR(ses_mac),
88f3d7c9 4182 passwd_id, go_ifname, feat_cap_str);
5fefce27
KV		 4183 return;
4184 }
4185
4186 if (go_wpa_s && !p2p_group_go_member_count(wpa_s))
4187 wpas_p2p_group_remove(wpa_s, go_wpa_s->ifname);
4188
4189 if (persistent_go && !persistent_go->num_p2p_clients) {
4190 /* remove empty persistent GO */
4191 wpa_config_remove_network(wpa_s->conf, persistent_go->id);
4192 }
4193
4194 if (conncap == P2PS_SETUP_CLIENT) {
aa256cb3
JM		 4195 char ssid_hex[32 * 2 + 1];
4196
4197 if (group_ssid)
4198 wpa_snprintf_hex(ssid_hex, sizeof(ssid_hex),
4199 group_ssid, group_ssid_len);
4200 else
4201 ssid_hex[0] = '\0';
5fefce27
KV		 4202 wpa_msg_global(wpa_s, MSG_INFO,
4203 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
4204 " status=%d conncap=%x"
4205 " adv_id=%x adv_mac=" MACSTR
4206 " session=%x mac=" MACSTR
aa256cb3 4207 " dev_passwd_id=%d join=" MACSTR "%s%s%s",
5fefce27
KV		 4208 MAC2STR(dev), status, conncap,
4209 adv_id, MAC2STR(adv_mac),
4210 ses_id, MAC2STR(ses_mac),
aa256cb3
JM		 4211 passwd_id, MAC2STR(grp_mac), feat_cap_str,
4212 group_ssid ? " group_ssid=" : "", ssid_hex);
5fefce27
KV		 4213 } else {
4214 wpa_msg_global(wpa_s, MSG_INFO,
4215 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
4216 " status=%d conncap=%x"
4217 " adv_id=%x adv_mac=" MACSTR
4218 " session=%x mac=" MACSTR
88f3d7c9 4219 " dev_passwd_id=%d%s",
5fefce27
KV		 4220 MAC2STR(dev), status, conncap,
4221 adv_id, MAC2STR(adv_mac),
4222 ses_id, MAC2STR(ses_mac),
88f3d7c9 4223 passwd_id, feat_cap_str);
5fefce27
KV		 4224 }
4225}
4226
4227
0f1034e3
SD		 4228static int _wpas_p2p_in_progress(void *ctx)
4229{
4230 struct wpa_supplicant *wpa_s = ctx;
4231 return wpas_p2p_in_progress(wpa_s);
4232}
4233
4234
9a58e521
KV		 4235static int wpas_prov_disc_resp_cb(void *ctx)
4236{
4237 struct wpa_supplicant *wpa_s = ctx;
4238 struct wpa_ssid *persistent_go;
8bb8e6ed 4239 unsigned int freq;
9a58e521
KV		 4240
4241 if (!wpa_s->global->pending_p2ps_group)
4242 return 0;
4243
8bb8e6ed
IP		 4244 freq = wpa_s->global->pending_p2ps_group_freq;
4245 wpa_s->global->pending_p2ps_group_freq = 0;
9a58e521
KV		 4246 wpa_s->global->pending_p2ps_group = 0;
4247
4248 if (wpas_p2p_get_go_group(wpa_s))
4249 return 0;
4250 persistent_go = wpas_p2p_get_persistent_go(wpa_s);
4251
4252 if (persistent_go) {
4253 wpas_p2p_group_add_persistent(
c27f4c90 4254 wpa_s, persistent_go, 0, 0, 0, 0, 0, 0, 0, NULL,
9a58e521 4255 persistent_go->mode == WPAS_MODE_P2P_GO ?
dfaf11d6 4256 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE : 0, 0);
9a58e521 4257 } else {
c27f4c90 4258 wpas_p2p_group_add(wpa_s, 1, freq, 0, 0, 0, 0);
9a58e521
KV		 4259 }
4260
4261 return 1;
4262}
4263
4264
fc71f7d9
AK		 4265static int wpas_p2p_get_pref_freq_list(void *ctx, int go,
4266 unsigned int *len,
4267 unsigned int *freq_list)
4268{
4269 struct wpa_supplicant *wpa_s = ctx;
4270
4271 return wpa_drv_get_pref_freq_list(wpa_s, go ? WPA_IF_P2P_GO :
4272 WPA_IF_P2P_CLIENT, len, freq_list);
4273}
4274
4275
b22128ef
JM		 4276/**
4277 * wpas_p2p_init - Initialize P2P module for %wpa_supplicant
4278 * @global: Pointer to global data from wpa_supplicant_init()
4279 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4280 * Returns: 0 on success, -1 on failure
4281 */
4282int wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s)
4283{
4284 struct p2p_config p2p;
f95cac27 4285 int i;
b22128ef 4286
f2b3f4de
SS		 4287 if (wpa_s->conf->p2p_disabled)
4288 return 0;
4289
b22128ef
JM		 4290 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
4291 return 0;
4292
b22128ef
JM		 4293 if (global->p2p)
4294 return 0;
4295
4296 os_memset(&p2p, 0, sizeof(p2p));
b22128ef 4297 p2p.cb_ctx = wpa_s;
ed496f13 4298 p2p.debug_print = wpas_p2p_debug_print;
b22128ef
JM		 4299 p2p.p2p_scan = wpas_p2p_scan;
4300 p2p.send_action = wpas_send_action;
4301 p2p.send_action_done = wpas_send_action_done;
4302 p2p.go_neg_completed = wpas_go_neg_completed;
4303 p2p.go_neg_req_rx = wpas_go_neg_req_rx;
4304 p2p.dev_found = wpas_dev_found;
56eeb8f2 4305 p2p.dev_lost = wpas_dev_lost;
710ae9ac 4306 p2p.find_stopped = wpas_find_stopped;
b22128ef
JM		 4307 p2p.start_listen = wpas_start_listen;
4308 p2p.stop_listen = wpas_stop_listen;
4309 p2p.send_probe_resp = wpas_send_probe_resp;
4310 p2p.sd_request = wpas_sd_request;
4311 p2p.sd_response = wpas_sd_response;
4312 p2p.prov_disc_req = wpas_prov_disc_req;
4313 p2p.prov_disc_resp = wpas_prov_disc_resp;
dd8a7e05 4314 p2p.prov_disc_fail = wpas_prov_disc_fail;
b22128ef
JM		 4315 p2p.invitation_process = wpas_invitation_process;
4316 p2p.invitation_received = wpas_invitation_received;
4317 p2p.invitation_result = wpas_invitation_result;
4318 p2p.get_noa = wpas_get_noa;
b1aebbc4 4319 p2p.go_connected = wpas_go_connected;
c64e3a08 4320 p2p.presence_resp = wpas_presence_resp;
a2d63657 4321 p2p.is_concurrent_session_active = wpas_is_concurrent_session_active;
0f1034e3 4322 p2p.is_p2p_in_progress = _wpas_p2p_in_progress;
369678ad
KV		 4323 p2p.get_persistent_group = wpas_get_persistent_group;
4324 p2p.get_go_info = wpas_get_go_info;
895d94de 4325 p2p.remove_stale_groups = wpas_remove_stale_groups;
5fefce27 4326 p2p.p2ps_prov_complete = wpas_p2ps_prov_complete;
9a58e521 4327 p2p.prov_disc_resp_cb = wpas_prov_disc_resp_cb;
1300cc8e 4328 p2p.p2ps_group_capability = p2ps_group_capability;
fc71f7d9 4329 p2p.get_pref_freq_list = wpas_p2p_get_pref_freq_list;
b22128ef
JM		 4330
4331 os_memcpy(wpa_s->global->p2p_dev_addr, wpa_s->own_addr, ETH_ALEN);
d7e70476 4332 os_memcpy(p2p.dev_addr, wpa_s->global->p2p_dev_addr, ETH_ALEN);
b22128ef 4333 p2p.dev_name = wpa_s->conf->device_name;
b6e01800
JM		 4334 p2p.manufacturer = wpa_s->conf->manufacturer;
4335 p2p.model_name = wpa_s->conf->model_name;
4336 p2p.model_number = wpa_s->conf->model_number;
4337 p2p.serial_number = wpa_s->conf->serial_number;
4338 if (wpa_s->wps) {
4339 os_memcpy(p2p.uuid, wpa_s->wps->uuid, 16);
4340 p2p.config_methods = wpa_s->wps->config_methods;
4341 }
b22128ef 4342
1595eb93
AM		 4343 if (wpas_p2p_setup_channels(wpa_s, &p2p.channels, &p2p.cli_channels)) {
4344 wpa_printf(MSG_ERROR,
4345 "P2P: Failed to configure supported channel list");
4346 return -1;
4347 }
4348
b22128ef
JM		 4349 if (wpa_s->conf->p2p_listen_reg_class &&
4350 wpa_s->conf->p2p_listen_channel) {
4351 p2p.reg_class = wpa_s->conf->p2p_listen_reg_class;
4352 p2p.channel = wpa_s->conf->p2p_listen_channel;
e3bd6e9d 4353 p2p.channel_forced = 1;
b22128ef 4354 } else {
b22128ef
JM		 4355 /*
4356 * Pick one of the social channels randomly as the listen
4357 * channel.
4358 */
1595eb93
AM		 4359 if (p2p_config_get_random_social(&p2p, &p2p.reg_class,
4360 &p2p.channel) != 0) {
5678a2d8
JM		 4361 wpa_printf(MSG_INFO,
4362 "P2P: No social channels supported by the driver - do not enable P2P");
4363 return 0;
1595eb93 4364 }
e3bd6e9d 4365 p2p.channel_forced = 0;
b22128ef 4366 }
1595eb93
AM		 4367 wpa_printf(MSG_DEBUG, "P2P: Own listen channel: %d:%d",
4368 p2p.reg_class, p2p.channel);
b22128ef
JM		 4369
4370 if (wpa_s->conf->p2p_oper_reg_class &&
4371 wpa_s->conf->p2p_oper_channel) {
4372 p2p.op_reg_class = wpa_s->conf->p2p_oper_reg_class;
4373 p2p.op_channel = wpa_s->conf->p2p_oper_channel;
7cfc4ac3
AGS		 4374 p2p.cfg_op_channel = 1;
4375 wpa_printf(MSG_DEBUG, "P2P: Configured operating channel: "
4376 "%d:%d", p2p.op_reg_class, p2p.op_channel);
4377
b22128ef 4378 } else {
b22128ef 4379 /*
1595eb93
AM		 4380 * Use random operation channel from 2.4 GHz band social
4381 * channels (1, 6, 11) or band 60 GHz social channel (2) if no
4382 * other preference is indicated.
b22128ef 4383 */
1595eb93
AM		 4384 if (p2p_config_get_random_social(&p2p, &p2p.op_reg_class,
4385 &p2p.op_channel) != 0) {
4386 wpa_printf(MSG_ERROR,
4387 "P2P: Failed to select random social channel as operation channel");
df2508d7 4388 return -1;
1595eb93 4389 }
7cfc4ac3
AGS		 4390 p2p.cfg_op_channel = 0;
4391 wpa_printf(MSG_DEBUG, "P2P: Random operating channel: "
4392 "%d:%d", p2p.op_reg_class, p2p.op_channel);
b22128ef 4393 }
010b5f9b
YW		 4394
4395 if (wpa_s->conf->p2p_pref_chan && wpa_s->conf->num_p2p_pref_chan) {
4396 p2p.pref_chan = wpa_s->conf->p2p_pref_chan;
4397 p2p.num_pref_chan = wpa_s->conf->num_p2p_pref_chan;
4398 }
4399
b22128ef
JM		 4400 if (wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
4401 os_memcpy(p2p.country, wpa_s->conf->country, 2);
4402 p2p.country[2] = 0x04;
4403 } else
aaca6505 4404 os_memcpy(p2p.country, "XX\x04", 3);
b22128ef 4405
2f646b6e
JB		 4406 os_memcpy(p2p.pri_dev_type, wpa_s->conf->device_type,
4407 WPS_DEV_TYPE_LEN);
b22128ef 4408
2f646b6e
JB		 4409 p2p.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
4410 os_memcpy(p2p.sec_dev_type, wpa_s->conf->sec_device_type,
4411 p2p.num_sec_dev_types * WPS_DEV_TYPE_LEN);
b22128ef
JM		 4412
4413 p2p.concurrent_operations = !!(wpa_s->drv_flags &
4414 WPA_DRIVER_FLAGS_P2P_CONCURRENT);
4415
de979d8f 4416 p2p.max_peers = 100;
b22128ef
JM		 4417
4418 if (wpa_s->conf->p2p_ssid_postfix) {
4419 p2p.ssid_postfix_len =
4420 os_strlen(wpa_s->conf->p2p_ssid_postfix);
4421 if (p2p.ssid_postfix_len > sizeof(p2p.ssid_postfix))
4422 p2p.ssid_postfix_len = sizeof(p2p.ssid_postfix);
4423 os_memcpy(p2p.ssid_postfix, wpa_s->conf->p2p_ssid_postfix,
4424 p2p.ssid_postfix_len);
4425 }
4426
0f66abd2
SS		 4427 p2p.p2p_intra_bss = wpa_s->conf->p2p_intra_bss;
4428
96beff11
JM		 4429 p2p.max_listen = wpa_s->max_remain_on_chan;
4430
1b928f96
JM		 4431 if (wpa_s->conf->p2p_passphrase_len >= 8 &&
4432 wpa_s->conf->p2p_passphrase_len <= 63)
4433 p2p.passphrase_len = wpa_s->conf->p2p_passphrase_len;
4434 else
4435 p2p.passphrase_len = 8;
4436
b22128ef
JM		 4437 global->p2p = p2p_init(&p2p);
4438 if (global->p2p == NULL)
4439 return -1;
ab28911d 4440 global->p2p_init_wpa_s = wpa_s;
b22128ef 4441
f95cac27
JMB		 4442 for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) {
4443 if (wpa_s->conf->wps_vendor_ext[i] == NULL)
4444 continue;
4445 p2p_add_wps_vendor_extension(
4446 global->p2p, wpa_s->conf->wps_vendor_ext[i]);
4447 }
4448
556b30da
JM		 4449 p2p_set_no_go_freq(global->p2p, &wpa_s->conf->p2p_no_go_freq);
4450
b22128ef
JM		 4451 return 0;
4452}
4453
4454
4455/**
4456 * wpas_p2p_deinit - Deinitialize per-interface P2P data
4457 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4458 *
4459 * This function deinitialize per-interface P2P data.
4460 */
4461void wpas_p2p_deinit(struct wpa_supplicant *wpa_s)
4462{
4463 if (wpa_s->driver && wpa_s->drv_priv)
4464 wpa_drv_probe_req_report(wpa_s, 0);
ec437d9e
JJ		 4465
4466 if (wpa_s->go_params) {
4467 /* Clear any stored provisioning info */
4468 p2p_clear_provisioning_info(
4469 wpa_s->global->p2p,
10531d21 4470 wpa_s->go_params->peer_device_addr);
ec437d9e
JJ		 4471 }
4472
b22128ef
JM		 4473 os_free(wpa_s->go_params);
4474 wpa_s->go_params = NULL;
fb2ac53d 4475 eloop_cancel_timeout(wpas_p2p_psk_failure_removal, wpa_s, NULL);
b22128ef 4476 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
ef922c4a 4477 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
b22128ef
JM		 4478 wpa_s->p2p_long_listen = 0;
4479 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
3071e181 4480 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
b22128ef 4481 wpas_p2p_remove_pending_group_interface(wpa_s);
8567866d 4482 eloop_cancel_timeout(wpas_p2p_group_freq_conflict, wpa_s, NULL);
e1d1c8e2 4483 wpas_p2p_listen_work_done(wpa_s);
e05e1308
JM		 4484 if (wpa_s->p2p_send_action_work) {
4485 os_free(wpa_s->p2p_send_action_work->ctx);
4486 radio_work_done(wpa_s->p2p_send_action_work);
4487 wpa_s->p2p_send_action_work = NULL;
4488 }
4489 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout, wpa_s, NULL);
b22128ef 4490
db6ae69e
JM		 4491 wpabuf_free(wpa_s->p2p_oob_dev_pw);
4492 wpa_s->p2p_oob_dev_pw = NULL;
4493
20beb96f
IP		 4494 os_free(wpa_s->p2p_group_common_freqs);
4495 wpa_s->p2p_group_common_freqs = NULL;
4496 wpa_s->p2p_group_common_freqs_num = 0;
4497
b22128ef
JM		 4498 /* TODO: remove group interface from the driver if this wpa_s instance
4499 * is on top of a P2P group interface */
4500}
4501
4502
4503/**
4504 * wpas_p2p_deinit_global - Deinitialize global P2P module
4505 * @global: Pointer to global data from wpa_supplicant_init()
4506 *
4507 * This function deinitializes the global (per device) P2P module.
4508 */
bd10d938 4509static void wpas_p2p_deinit_global(struct wpa_global *global)
b22128ef
JM		 4510{
4511 struct wpa_supplicant *wpa_s, *tmp;
b22128ef 4512
bf428a73 4513 wpa_s = global->ifaces;
ee285df4
EA		 4514
4515 wpas_p2p_service_flush(global->p2p_init_wpa_s);
bf428a73 4516
b22128ef 4517 /* Remove remaining P2P group interfaces */
b22128ef
JM		 4518 while (wpa_s && wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE)
4519 wpa_s = wpa_s->next;
4520 while (wpa_s) {
b22128ef
JM		 4521 tmp = global->ifaces;
4522 while (tmp &&
4523 (tmp == wpa_s ||
4524 tmp->p2p_group_interface == NOT_P2P_GROUP_INTERFACE)) {
4525 tmp = tmp->next;
4526 }
4527 if (tmp == NULL)
4528 break;
103b8f4d
NS		 4529 /* Disconnect from the P2P group and deinit the interface */
4530 wpas_p2p_disconnect(tmp);
b22128ef
JM		 4531 }
4532
743ef799
JM		 4533 /*
4534 * Deinit GO data on any possibly remaining interface (if main
4535 * interface is used as GO).
4536 */
4537 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
4538 if (wpa_s->ap_iface)
4539 wpas_p2p_group_deinit(wpa_s);
4540 }
4541
b22128ef
JM		 4542 p2p_deinit(global->p2p);
4543 global->p2p = NULL;
ab28911d 4544 global->p2p_init_wpa_s = NULL;
b22128ef
JM		 4545}
4546
4547
4548static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s)
4549{
96a26ab7 4550 if (wpa_s->conf->p2p_no_group_iface)
d76cd41a 4551 return 0; /* separate interface disabled per configuration */
971e357f
JM		 4552 if (wpa_s->drv_flags &
4553 (WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE |
4554 WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P))
b22128ef
JM		 4555 return 1; /* P2P group requires a new interface in every case
4556 */
4557 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CONCURRENT))
4558 return 0; /* driver does not support concurrent operations */
4559 if (wpa_s->global->ifaces->next)
4560 return 1; /* more that one interface already in use */
4561 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
4562 return 1; /* this interface is already in use */
4563 return 0;
4564}
4565
4566
4567static int wpas_p2p_start_go_neg(struct wpa_supplicant *wpa_s,
4568 const u8 *peer_addr,
4569 enum p2p_wps_method wps_method,
4570 int go_intent, const u8 *own_interface_addr,
23c84252 4571 unsigned int force_freq, int persistent_group,
04a3e69d 4572 struct wpa_ssid *ssid, unsigned int pref_freq)
b22128ef 4573{
acc247b2
JM		 4574 if (persistent_group && wpa_s->conf->persistent_reconnect)
4575 persistent_group = 2;
4576
4f219667
JM		 4577 /*
4578 * Increase GO config timeout if HT40 is used since it takes some time
4579 * to scan channels for coex purposes before the BSS can be started.
4580 */
4581 p2p_set_config_timeout(wpa_s->global->p2p,
4582 wpa_s->p2p_go_ht40 ? 255 : 100, 20);
4583
b22128ef
JM		 4584 return p2p_connect(wpa_s->global->p2p, peer_addr, wps_method,
4585 go_intent, own_interface_addr, force_freq,
23c84252 4586 persistent_group, ssid ? ssid->ssid : NULL,
3bc462cb 4587 ssid ? ssid->ssid_len : 0,
db6ae69e
JM		 4588 wpa_s->p2p_pd_before_go_neg, pref_freq,
4589 wps_method == WPS_NFC ? wpa_s->p2p_oob_dev_pw_id :
4590 0);
b22128ef
JM		 4591}
4592
4593
4594static int wpas_p2p_auth_go_neg(struct wpa_supplicant *wpa_s,
4595 const u8 *peer_addr,
4596 enum p2p_wps_method wps_method,
4597 int go_intent, const u8 *own_interface_addr,
23c84252 4598 unsigned int force_freq, int persistent_group,
04a3e69d 4599 struct wpa_ssid *ssid, unsigned int pref_freq)
b22128ef 4600{
acc247b2
JM		 4601 if (persistent_group && wpa_s->conf->persistent_reconnect)
4602 persistent_group = 2;
4603
b22128ef
JM		 4604 return p2p_authorize(wpa_s->global->p2p, peer_addr, wps_method,
4605 go_intent, own_interface_addr, force_freq,
23c84252 4606 persistent_group, ssid ? ssid->ssid : NULL,
db6ae69e
JM		 4607 ssid ? ssid->ssid_len : 0, pref_freq,
4608 wps_method == WPS_NFC ? wpa_s->p2p_oob_dev_pw_id :
4609 0);
b22128ef
JM		 4610}
4611
4612
9b1ab931
JM		 4613static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant *wpa_s)
4614{
4615 wpa_s->p2p_join_scan_count++;
4616 wpa_printf(MSG_DEBUG, "P2P: Join scan attempt %d",
4617 wpa_s->p2p_join_scan_count);
4618 if (wpa_s->p2p_join_scan_count > P2P_MAX_JOIN_SCAN_ATTEMPTS) {
4619 wpa_printf(MSG_DEBUG, "P2P: Failed to find GO " MACSTR
4620 " for join operationg - stop join attempt",
4621 MAC2STR(wpa_s->pending_join_iface_addr));
4622 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
0918c4bf
JM		 4623 if (wpa_s->p2p_auto_pd) {
4624 wpa_s->p2p_auto_pd = 0;
92c4465b
JM		 4625 wpa_msg_global(wpa_s, MSG_INFO,
4626 P2P_EVENT_PROV_DISC_FAILURE
4627 " p2p_dev_addr=" MACSTR " status=N/A",
4628 MAC2STR(wpa_s->pending_join_dev_addr));
0918c4bf
JM		 4629 return;
4630 }
ba307f85 4631 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
92c4465b 4632 P2P_EVENT_GROUP_FORMATION_FAILURE);
2a95fac9 4633 wpas_notify_p2p_group_formation_failure(wpa_s, "");
9b1ab931
JM		 4634 }
4635}
4636
4637
4b156206
JM		 4638static int wpas_check_freq_conflict(struct wpa_supplicant *wpa_s, int freq)
4639{
a0c90bb0
IP		 4640 int res;
4641 unsigned int num, i;
4642 struct wpa_used_freq_data *freqs;
4b156206 4643
0d08efa4
IP		 4644 if (wpas_p2p_num_unused_channels(wpa_s) > 0) {
4645 /* Multiple channels are supported and not all are in use */
4b156206 4646 return 0;
0d08efa4 4647 }
4b156206 4648
a0c90bb0
IP		 4649 freqs = os_calloc(wpa_s->num_multichan_concurrent,
4650 sizeof(struct wpa_used_freq_data));
0d08efa4
IP		 4651 if (!freqs)
4652 return 1;
86ae2e8a 4653
0d08efa4
IP		 4654 num = wpas_p2p_valid_oper_freqs(wpa_s, freqs,
4655 wpa_s->num_multichan_concurrent);
4b156206 4656
0d08efa4 4657 for (i = 0; i < num; i++) {
a0c90bb0 4658 if (freqs[i].freq == freq) {
0d08efa4
IP		 4659 wpa_printf(MSG_DEBUG, "P2P: Frequency %d MHz in use by another virtual interface and can be used",
4660 freq);
4661 res = 0;
4662 goto exit_free;
4663 }
4b156206
JM		 4664 }
4665
a0c90bb0 4666 wpa_printf(MSG_DEBUG, "P2P: No valid operating frequencies");
0d08efa4
IP		 4667 res = 1;
4668
4669exit_free:
4670 os_free(freqs);
4671 return res;
4b156206
JM		 4672}
4673
4674
b31be3a0
JM		 4675static int wpas_p2p_peer_go(struct wpa_supplicant *wpa_s,
4676 const u8 *peer_dev_addr)
4677{
4678 struct wpa_bss *bss;
4679 int updated;
4680
4681 bss = wpa_bss_get_p2p_dev_addr(wpa_s, peer_dev_addr);
4682 if (bss == NULL)
aa9bb764 4683 return -1;
b31be3a0
JM		 4684 if (bss->last_update_idx < wpa_s->bss_update_idx) {
4685 wpa_printf(MSG_DEBUG, "P2P: Peer BSS entry not updated in the "
4686 "last scan");
4687 return 0;
4688 }
4689
acb69cec
JB		 4690 updated = os_reltime_before(&wpa_s->p2p_auto_started,
4691 &bss->last_update);
b31be3a0
JM		 4692 wpa_printf(MSG_DEBUG, "P2P: Current BSS entry for peer updated at "
4693 "%ld.%06ld (%supdated in last scan)",
4694 bss->last_update.sec, bss->last_update.usec,
4695 updated ? "": "not ");
4696
4697 return updated;
4698}
4699
4700
ef922c4a
JM		 4701static void wpas_p2p_scan_res_join(struct wpa_supplicant *wpa_s,
4702 struct wpa_scan_results *scan_res)
b22128ef 4703{
c48414af 4704 struct wpa_bss *bss = NULL;
f8d0131a 4705 int freq;
54960629 4706 u8 iface_addr[ETH_ALEN];
b22128ef 4707
ef922c4a 4708 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
b22128ef 4709
ef922c4a
JM		 4710 if (wpa_s->global->p2p_disabled)
4711 return;
b22128ef 4712
b31be3a0
JM		 4713 wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS) for %sjoin",
4714 scan_res ? (int) scan_res->num : -1,
4715 wpa_s->p2p_auto_join ? "auto_" : "");
ef922c4a
JM		 4716
4717 if (scan_res)
4718 wpas_p2p_scan_res_handler(wpa_s, scan_res);
b22128ef 4719
0918c4bf
JM		 4720 if (wpa_s->p2p_auto_pd) {
4721 int join = wpas_p2p_peer_go(wpa_s,
4722 wpa_s->pending_join_dev_addr);
84286a22
SDU		 4723 if (join == 0 &&
4724 wpa_s->auto_pd_scan_retry < P2P_AUTO_PD_SCAN_ATTEMPTS) {
4725 wpa_s->auto_pd_scan_retry++;
702621e6
JM		 4726 bss = wpa_bss_get_bssid_latest(
4727 wpa_s, wpa_s->pending_join_dev_addr);
84286a22
SDU		 4728 if (bss) {
4729 freq = bss->freq;
4730 wpa_printf(MSG_DEBUG, "P2P: Scan retry %d for "
4731 "the peer " MACSTR " at %d MHz",
4732 wpa_s->auto_pd_scan_retry,
4733 MAC2STR(wpa_s->
4734 pending_join_dev_addr),
4735 freq);
c48414af 4736 wpas_p2p_join_scan_req(wpa_s, freq, NULL, 0);
84286a22
SDU		 4737 return;
4738 }
4739 }
4740
aa9bb764
JM		 4741 if (join < 0)
4742 join = 0;
84286a22 4743
0918c4bf
JM		 4744 wpa_s->p2p_auto_pd = 0;
4745 wpa_s->pending_pd_use = join ? AUTO_PD_JOIN : AUTO_PD_GO_NEG;
4746 wpa_printf(MSG_DEBUG, "P2P: Auto PD with " MACSTR " join=%d",
4747 MAC2STR(wpa_s->pending_join_dev_addr), join);
4748 if (p2p_prov_disc_req(wpa_s->global->p2p,
369678ad 4749 wpa_s->pending_join_dev_addr, NULL,
0918c4bf 4750 wpa_s->pending_pd_config_methods, join,
67527166 4751 0, wpa_s->user_initiated_pd) < 0) {
0918c4bf 4752 wpa_s->p2p_auto_pd = 0;
92c4465b
JM		 4753 wpa_msg_global(wpa_s, MSG_INFO,
4754 P2P_EVENT_PROV_DISC_FAILURE
4755 " p2p_dev_addr=" MACSTR " status=N/A",
4756 MAC2STR(wpa_s->pending_join_dev_addr));
0918c4bf
JM		 4757 }
4758 return;
4759 }
4760
b31be3a0 4761 if (wpa_s->p2p_auto_join) {
aa9bb764
JM		 4762 int join = wpas_p2p_peer_go(wpa_s,
4763 wpa_s->pending_join_dev_addr);
4764 if (join < 0) {
b31be3a0
JM		 4765 wpa_printf(MSG_DEBUG, "P2P: Peer was not found to be "
4766 "running a GO -> use GO Negotiation");
ba307f85 4767 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
6b005121
JM		 4768 P2P_EVENT_FALLBACK_TO_GO_NEG
4769 "reason=peer-not-running-GO");
b31be3a0
JM		 4770 wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr,
4771 wpa_s->p2p_pin, wpa_s->p2p_wps_method,
4772 wpa_s->p2p_persistent_group, 0, 0, 0,
4773 wpa_s->p2p_go_intent,
23c84252 4774 wpa_s->p2p_connect_freq,
c27f4c90 4775 wpa_s->p2p_go_vht_center_freq2,
3bc462cb 4776 wpa_s->p2p_persistent_id,
e2308e4b 4777 wpa_s->p2p_pd_before_go_neg,
20ea1ca4 4778 wpa_s->p2p_go_ht40,
c27f4c90 4779 wpa_s->p2p_go_vht,
70e0cb33
JM		 4780 wpa_s->p2p_go_max_oper_chwidth,
4781 NULL, 0);
b31be3a0
JM		 4782 return;
4783 }
4784
aa9bb764
JM		 4785 wpa_printf(MSG_DEBUG, "P2P: Peer was found running GO%s -> "
4786 "try to join the group", join ? "" :
4787 " in older scan");
6b005121 4788 if (!join) {
ba307f85 4789 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
6b005121 4790 P2P_EVENT_FALLBACK_TO_GO_NEG_ENABLED);
aa9bb764 4791 wpa_s->p2p_fallback_to_go_neg = 1;
6b005121 4792 }
b31be3a0
JM		 4793 }
4794
f8d0131a
JM		 4795 freq = p2p_get_oper_freq(wpa_s->global->p2p,
4796 wpa_s->pending_join_iface_addr);
54960629
AL		 4797 if (freq < 0 &&
4798 p2p_get_interface_addr(wpa_s->global->p2p,
4799 wpa_s->pending_join_dev_addr,
4800 iface_addr) == 0 &&
4e536751
CM		 4801 os_memcmp(iface_addr, wpa_s->pending_join_dev_addr, ETH_ALEN) != 0
4802 && !wpa_bss_get_bssid(wpa_s, wpa_s->pending_join_iface_addr)) {
54960629
AL		 4803 wpa_printf(MSG_DEBUG, "P2P: Overwrite pending interface "
4804 "address for join from " MACSTR " to " MACSTR
4805 " based on newly discovered P2P peer entry",
4806 MAC2STR(wpa_s->pending_join_iface_addr),
4807 MAC2STR(iface_addr));
4808 os_memcpy(wpa_s->pending_join_iface_addr, iface_addr,
4809 ETH_ALEN);
4810
4811 freq = p2p_get_oper_freq(wpa_s->global->p2p,
4812 wpa_s->pending_join_iface_addr);
4813 }
f8d0131a
JM		 4814 if (freq >= 0) {
4815 wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency "
4816 "from P2P peer table: %d MHz", freq);
4817 }
c48414af
JM		 4818 if (wpa_s->p2p_join_ssid_len) {
4819 wpa_printf(MSG_DEBUG, "P2P: Trying to find target GO BSS entry based on BSSID "
4820 MACSTR " and SSID %s",
4821 MAC2STR(wpa_s->pending_join_iface_addr),
4822 wpa_ssid_txt(wpa_s->p2p_join_ssid,
4823 wpa_s->p2p_join_ssid_len));
4824 bss = wpa_bss_get(wpa_s, wpa_s->pending_join_iface_addr,
4825 wpa_s->p2p_join_ssid,
4826 wpa_s->p2p_join_ssid_len);
438be601 4827 } else if (!bss) {
c48414af
JM		 4828 wpa_printf(MSG_DEBUG, "P2P: Trying to find target GO BSS entry based on BSSID "
4829 MACSTR, MAC2STR(wpa_s->pending_join_iface_addr));
4830 bss = wpa_bss_get_bssid_latest(wpa_s,
4831 wpa_s->pending_join_iface_addr);
4832 }
b22128ef 4833 if (bss) {
e6012e83
JM		 4834 u8 dev_addr[ETH_ALEN];
4835
f8d0131a
JM		 4836 freq = bss->freq;
4837 wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency "
d2858883
JM		 4838 "from BSS table: %d MHz (SSID %s)", freq,
4839 wpa_ssid_txt(bss->ssid, bss->ssid_len));
e6012e83
JM		 4840 if (p2p_parse_dev_addr((const u8 *) (bss + 1), bss->ie_len,
4841 dev_addr) == 0 &&
4842 os_memcmp(wpa_s->pending_join_dev_addr,
4843 wpa_s->pending_join_iface_addr, ETH_ALEN) == 0 &&
4844 os_memcmp(dev_addr, wpa_s->pending_join_dev_addr,
4845 ETH_ALEN) != 0) {
4846 wpa_printf(MSG_DEBUG,
4847 "P2P: Update target GO device address based on BSS entry: " MACSTR " (was " MACSTR ")",
4848 MAC2STR(dev_addr),
4849 MAC2STR(wpa_s->pending_join_dev_addr));
4850 os_memcpy(wpa_s->pending_join_dev_addr, dev_addr,
4851 ETH_ALEN);
4852 }
f8d0131a
JM		 4853 }
4854 if (freq > 0) {
b22128ef
JM		 4855 u16 method;
4856
4b156206 4857 if (wpas_check_freq_conflict(wpa_s, freq) > 0) {
ba307f85 4858 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
92c4465b
JM		 4859 P2P_EVENT_GROUP_FORMATION_FAILURE
4860 "reason=FREQ_CONFLICT");
2a95fac9
NC		 4861 wpas_notify_p2p_group_formation_failure(
4862 wpa_s, "FREQ_CONFLICT");
4b156206
JM		 4863 return;
4864 }
4865
b22128ef
JM		 4866 wpa_printf(MSG_DEBUG, "P2P: Send Provision Discovery Request "
4867 "prior to joining an existing group (GO " MACSTR
4868 " freq=%u MHz)",
f8d0131a 4869 MAC2STR(wpa_s->pending_join_dev_addr), freq);
b22128ef
JM		 4870 wpa_s->pending_pd_before_join = 1;
4871
ef922c4a 4872 switch (wpa_s->pending_join_wps_method) {
b22128ef
JM		 4873 case WPS_PIN_DISPLAY:
4874 method = WPS_CONFIG_KEYPAD;
4875 break;
4876 case WPS_PIN_KEYPAD:
4877 method = WPS_CONFIG_DISPLAY;
4878 break;
4879 case WPS_PBC:
4880 method = WPS_CONFIG_PUSHBUTTON;
4881 break;
d494ca0b
AO		 4882 case WPS_P2PS:
4883 method = WPS_CONFIG_P2PS;
4884 break;
b22128ef
JM		 4885 default:
4886 method = 0;
4887 break;
4888 }
4889
ec437d9e
JJ		 4890 if ((p2p_get_provisioning_info(wpa_s->global->p2p,
4891 wpa_s->pending_join_dev_addr) ==
4892 method)) {
4893 /*
4894 * We have already performed provision discovery for
4895 * joining the group. Proceed directly to join
4896 * operation without duplicated provision discovery. */
e3a0706b 4897 wpa_printf(MSG_DEBUG, "P2P: Provision discovery "
ec437d9e
JJ		 4898 "with " MACSTR " already done - proceed to "
4899 "join",
4900 MAC2STR(wpa_s->pending_join_dev_addr));
4901 wpa_s->pending_pd_before_join = 0;
4902 goto start;
4903 }
4904
ef922c4a 4905 if (p2p_prov_disc_req(wpa_s->global->p2p,
369678ad
KV		 4906 wpa_s->pending_join_dev_addr,
4907 NULL, method, 1,
67527166 4908 freq, wpa_s->user_initiated_pd) < 0) {
b22128ef
JM		 4909 wpa_printf(MSG_DEBUG, "P2P: Failed to send Provision "
4910 "Discovery Request before joining an "
4911 "existing group");
4912 wpa_s->pending_pd_before_join = 0;
4913 goto start;
4914 }
ef922c4a 4915 return;
b22128ef
JM		 4916 }
4917
9b1ab931
JM		 4918 wpa_printf(MSG_DEBUG, "P2P: Failed to find BSS/GO - try again later");
4919 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
4920 eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL);
4921 wpas_p2p_check_join_scan_limit(wpa_s);
4922 return;
b22128ef
JM		 4923
4924start:
4925 /* Start join operation immediately */
35510d53
JM		 4926 wpas_p2p_join_start(wpa_s, 0, wpa_s->p2p_join_ssid,
4927 wpa_s->p2p_join_ssid_len);
ef922c4a
JM		 4928}
4929
4930
c48414af
JM		 4931static void wpas_p2p_join_scan_req(struct wpa_supplicant *wpa_s, int freq,
4932 const u8 *ssid, size_t ssid_len)
ef922c4a 4933{
ef922c4a
JM		 4934 int ret;
4935 struct wpa_driver_scan_params params;
4936 struct wpabuf *wps_ie, *ies;
206e1f42 4937 size_t ielen;
84286a22 4938 int freqs[2] = { 0, 0 };
c58eed6d 4939 unsigned int bands;
ef922c4a
JM		 4940
4941 os_memset(&params, 0, sizeof(params));
4942
4943 /* P2P Wildcard SSID */
4944 params.num_ssids = 1;
c48414af
JM		 4945 if (ssid && ssid_len) {
4946 params.ssids[0].ssid = ssid;
4947 params.ssids[0].ssid_len = ssid_len;
4948 os_memcpy(wpa_s->p2p_join_ssid, ssid, ssid_len);
4949 wpa_s->p2p_join_ssid_len = ssid_len;
4950 } else {
4951 params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID;
4952 params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN;
4953 wpa_s->p2p_join_ssid_len = 0;
4954 }
ef922c4a
JM		 4955
4956 wpa_s->wps->dev.p2p = 1;
360182ed
JM		 4957 wps_ie = wps_build_probe_req_ie(DEV_PW_DEFAULT, &wpa_s->wps->dev,
4958 wpa_s->wps->uuid, WPS_REQ_ENROLLEE, 0,
4959 NULL);
ef922c4a
JM		 4960 if (wps_ie == NULL) {
4961 wpas_p2p_scan_res_join(wpa_s, NULL);
4962 return;
4963 }
4964
37b4198a
JJ		 4965 if (!freq) {
4966 int oper_freq;
4967 /*
4968 * If freq is not provided, check the operating freq of the GO
4969 * and use a single channel scan on if possible.
4970 */
4971 oper_freq = p2p_get_oper_freq(wpa_s->global->p2p,
4972 wpa_s->pending_join_iface_addr);
4973 if (oper_freq > 0)
4974 freq = oper_freq;
4975 }
84286a22
SDU		 4976 if (freq > 0) {
4977 freqs[0] = freq;
4978 params.freqs = freqs;
4979 }
ef922c4a 4980
94ad3c33
LD		 4981 ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p);
4982 ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen);
4983 if (ies == NULL) {
4984 wpabuf_free(wps_ie);
4985 wpas_p2p_scan_res_join(wpa_s, NULL);
4986 return;
4987 }
4988 wpabuf_put_buf(ies, wps_ie);
4989 wpabuf_free(wps_ie);
4990
c58eed6d
LD		 4991 bands = wpas_get_bands(wpa_s, freqs);
4992 p2p_scan_ie(wpa_s->global->p2p, ies, NULL, bands);
94ad3c33
LD		 4993
4994 params.p2p_probe = 1;
4995 params.extra_ies = wpabuf_head(ies);
4996 params.extra_ies_len = wpabuf_len(ies);
4997
ef922c4a
JM		 4998 /*
4999 * Run a scan to update BSS table and start Provision Discovery once
5000 * the new scan results become available.
5001 */
17fbb751 5002 ret = wpa_drv_scan(wpa_s, &params);
4342326f 5003 if (!ret) {
acb69cec 5004 os_get_reltime(&wpa_s->scan_trigger_time);
205e6474 5005 wpa_s->scan_res_handler = wpas_p2p_scan_res_join;
a5f40eff 5006 wpa_s->own_scan_requested = 1;
4342326f 5007 }
ef922c4a
JM		 5008
5009 wpabuf_free(ies);
5010
5011 if (ret) {
5012 wpa_printf(MSG_DEBUG, "P2P: Failed to start scan for join - "
5013 "try again later");
5014 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
5015 eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL);
9b1ab931 5016 wpas_p2p_check_join_scan_limit(wpa_s);
ef922c4a
JM		 5017 }
5018}
5019
5020
84286a22
SDU		 5021static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx)
5022{
5023 struct wpa_supplicant *wpa_s = eloop_ctx;
c48414af 5024 wpas_p2p_join_scan_req(wpa_s, 0, NULL, 0);
84286a22
SDU		 5025}
5026
5027
ef922c4a 5028static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr,
b31be3a0 5029 const u8 *dev_addr, enum p2p_wps_method wps_method,
23318bea
JM		 5030 int auto_join, int op_freq,
5031 const u8 *ssid, size_t ssid_len)
ef922c4a
JM		 5032{
5033 wpa_printf(MSG_DEBUG, "P2P: Request to join existing group (iface "
23318bea
JM		 5034 MACSTR " dev " MACSTR " op_freq=%d)%s",
5035 MAC2STR(iface_addr), MAC2STR(dev_addr), op_freq,
b31be3a0 5036 auto_join ? " (auto_join)" : "");
c48414af
JM		 5037 if (ssid && ssid_len) {
5038 wpa_printf(MSG_DEBUG, "P2P: Group SSID specified: %s",
5039 wpa_ssid_txt(ssid, ssid_len));
5040 }
ef922c4a 5041
0918c4bf 5042 wpa_s->p2p_auto_pd = 0;
b31be3a0 5043 wpa_s->p2p_auto_join = !!auto_join;
ef922c4a
JM		 5044 os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, ETH_ALEN);
5045 os_memcpy(wpa_s->pending_join_dev_addr, dev_addr, ETH_ALEN);
5046 wpa_s->pending_join_wps_method = wps_method;
5047
5048 /* Make sure we are not running find during connection establishment */
5049 wpas_p2p_stop_find(wpa_s);
5050
9b1ab931 5051 wpa_s->p2p_join_scan_count = 0;
23318bea 5052 wpas_p2p_join_scan_req(wpa_s, op_freq, ssid, ssid_len);
ef922c4a 5053 return 0;
b22128ef
JM		 5054}
5055
5056
23318bea
JM		 5057static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s, int freq,
5058 const u8 *ssid, size_t ssid_len)
b22128ef
JM		 5059{
5060 struct wpa_supplicant *group;
5061 struct p2p_go_neg_results res;
8e64f258 5062 struct wpa_bss *bss;
b22128ef
JM		 5063
5064 group = wpas_p2p_get_group_iface(wpa_s, 0, 0);
5065 if (group == NULL)
5066 return -1;
3c5126a4 5067 if (group != wpa_s) {
b22128ef
JM		 5068 os_memcpy(group->p2p_pin, wpa_s->p2p_pin,
5069 sizeof(group->p2p_pin));
3c5126a4 5070 group->p2p_wps_method = wpa_s->p2p_wps_method;
2b79164f
JM		 5071 } else {
5072 /*
5073 * Need to mark the current interface for p2p_group_formation
5074 * when a separate group interface is not used. This is needed
5075 * to allow p2p_cancel stop a pending p2p_connect-join.
5076 * wpas_p2p_init_group_interface() addresses this for the case
5077 * where a separate group interface is used.
5078 */
5079 wpa_s->global->p2p_group_formation = wpa_s;
3c5126a4 5080 }
b22128ef
JM		 5081
5082 group->p2p_in_provisioning = 1;
aa9bb764 5083 group->p2p_fallback_to_go_neg = wpa_s->p2p_fallback_to_go_neg;
b22128ef
JM		 5084
5085 os_memset(&res, 0, sizeof(res));
23318bea 5086 os_memcpy(res.peer_device_addr, wpa_s->pending_join_dev_addr, ETH_ALEN);
b22128ef
JM		 5087 os_memcpy(res.peer_interface_addr, wpa_s->pending_join_iface_addr,
5088 ETH_ALEN);
5089 res.wps_method = wpa_s->pending_join_wps_method;
23318bea
JM		 5090 if (freq && ssid && ssid_len) {
5091 res.freq = freq;
5092 res.ssid_len = ssid_len;
5093 os_memcpy(res.ssid, ssid, ssid_len);
5094 } else {
8b8d4f4e
JM		 5095 if (ssid && ssid_len) {
5096 bss = wpa_bss_get(wpa_s, wpa_s->pending_join_iface_addr,
5097 ssid, ssid_len);
5098 } else {
5099 bss = wpa_bss_get_bssid_latest(
5100 wpa_s, wpa_s->pending_join_iface_addr);
5101 }
23318bea
JM		 5102 if (bss) {
5103 res.freq = bss->freq;
5104 res.ssid_len = bss->ssid_len;
5105 os_memcpy(res.ssid, bss->ssid, bss->ssid_len);
5106 wpa_printf(MSG_DEBUG, "P2P: Join target GO operating frequency from BSS table: %d MHz (SSID %s)",
5107 bss->freq,
5108 wpa_ssid_txt(bss->ssid, bss->ssid_len));
b875276c
JM		 5109 } else if (ssid && ssid_len) {
5110 res.ssid_len = ssid_len;
5111 os_memcpy(res.ssid, ssid, ssid_len);
5112 wpa_printf(MSG_DEBUG, "P2P: Join target GO (SSID %s)",
5113 wpa_ssid_txt(ssid, ssid_len));
23318bea 5114 }
8e64f258
JM		 5115 }
5116
e91829f9
JM		 5117 if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
5118 wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel prior to "
5119 "starting client");
5120 wpa_drv_cancel_remain_on_channel(wpa_s);
5121 wpa_s->off_channel_freq = 0;
5122 wpa_s->roc_waiting_drv_freq = 0;
5123 }
b22128ef
JM		 5124 wpas_start_wps_enrollee(group, &res);
5125
3094d483
JM		 5126 /*
5127 * Allow a longer timeout for join-a-running-group than normal 15
5128 * second group formation timeout since the GO may not have authorized
5129 * our connection yet.
5130 */
5131 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
5132 eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout,
5133 wpa_s, NULL);
5134
b22128ef
JM		 5135 return 0;
5136}
5137
5138
5de4b721 5139static int wpas_p2p_setup_freqs(struct wpa_supplicant *wpa_s, int freq,
370017d9
AK		 5140 int *force_freq, int *pref_freq, int go,
5141 unsigned int *pref_freq_list,
5142 unsigned int *num_pref_freq)
5de4b721 5143{
a0c90bb0
IP		 5144 struct wpa_used_freq_data *freqs;
5145 int res, best_freq, num_unused;
370017d9
AK		 5146 unsigned int freq_in_use = 0, num, i, max_pref_freq;
5147
5148 max_pref_freq = *num_pref_freq;
5149 *num_pref_freq = 0;
0d08efa4 5150
a0c90bb0
IP		 5151 freqs = os_calloc(wpa_s->num_multichan_concurrent,
5152 sizeof(struct wpa_used_freq_data));
0d08efa4
IP		 5153 if (!freqs)
5154 return -1;
5155
a0c90bb0
IP		 5156 num = wpas_p2p_valid_oper_freqs(wpa_s, freqs,
5157 wpa_s->num_multichan_concurrent);
5158
5159 /*
5160 * It is possible that the total number of used frequencies is bigger
5161 * than the number of frequencies used for P2P, so get the system wide
5162 * number of unused frequencies.
5163 */
5164 num_unused = wpas_p2p_num_unused_channels(wpa_s);
5165
99d7c762 5166 wpa_printf(MSG_DEBUG,
a0c90bb0
IP		 5167 "P2P: Setup freqs: freq=%d num_MCC=%d shared_freqs=%u num_unused=%d",
5168 freq, wpa_s->num_multichan_concurrent, num, num_unused);
0d08efa4 5169
5de4b721 5170 if (freq > 0) {
51e9f228
JM		 5171 int ret;
5172 if (go)
5173 ret = p2p_supported_freq(wpa_s->global->p2p, freq);
5174 else
5175 ret = p2p_supported_freq_cli(wpa_s->global->p2p, freq);
5176 if (!ret) {
d7f1aa8f
AK		 5177 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) &&
5178 ieee80211_is_dfs(freq)) {
5179 /*
5180 * If freq is a DFS channel and DFS is offloaded
5181 * to the driver, allow P2P GO to use it.
5182 */
5183 wpa_printf(MSG_DEBUG,
5184 "P2P: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to the driver",
5185 freq);
5186 } else {
5187 wpa_printf(MSG_DEBUG,
5188 "P2P: The forced channel (%u MHz) is not supported for P2P uses",
5189 freq);
5190 res = -3;
5191 goto exit_free;
5192 }
5de4b721
JM		 5193 }
5194
0d08efa4 5195 for (i = 0; i < num; i++) {
a0c90bb0 5196 if (freqs[i].freq == freq)
0d08efa4
IP		 5197 freq_in_use = 1;
5198 }
5199
a0c90bb0 5200 if (num_unused <= 0 && !freq_in_use) {
0d08efa4
IP		 5201 wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group on %u MHz as there are no available channels",
5202 freq);
5203 res = -2;
5204 goto exit_free;
5de4b721
JM		 5205 }
5206 wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the "
5207 "requested channel (%u MHz)", freq);
5208 *force_freq = freq;
0d08efa4
IP		 5209 goto exit_ok;
5210 }
5211
a0c90bb0 5212 best_freq = wpas_p2p_pick_best_used_freq(wpa_s, freqs, num);
0d08efa4 5213
370017d9
AK		 5214 if (!wpa_s->conf->num_p2p_pref_chan && *pref_freq == 0) {
5215 enum wpa_driver_if_type iface_type;
5216
5217 if (go)
5218 iface_type = WPA_IF_P2P_GO;
5219 else
5220 iface_type = WPA_IF_P2P_CLIENT;
5221
5222 wpa_printf(MSG_DEBUG, "P2P: best_freq=%d, go=%d",
5223 best_freq, go);
5224
5225 res = wpa_drv_get_pref_freq_list(wpa_s, iface_type,
5226 &max_pref_freq,
5227 pref_freq_list);
5228 if (!res && max_pref_freq > 0) {
5229 *num_pref_freq = max_pref_freq;
5230 i = 0;
5231 while (wpas_p2p_disallowed_freq(wpa_s->global,
5232 pref_freq_list[i]) &&
5233 i < *num_pref_freq) {
5234 wpa_printf(MSG_DEBUG,
5235 "P2P: preferred_freq_list[%d]=%d is disallowed",
5236 i, pref_freq_list[i]);
5237 i++;
5238 }
5239 if (i != *num_pref_freq) {
5240 best_freq = pref_freq_list[i];
5241 wpa_printf(MSG_DEBUG,
5242 "P2P: Using preferred_freq_list[%d]=%d",
5243 i, best_freq);
5244 } else {
5245 wpa_printf(MSG_DEBUG,
5246 "P2P: All driver preferred frequencies are disallowed for P2P use");
5247 *num_pref_freq = 0;
5248 }
5249 } else {
5250 wpa_printf(MSG_DEBUG,
5251 "P2P: No preferred frequency list available");
5252 }
5253 }
5254
a0c90bb0
IP		 5255 /* We have a candidate frequency to use */
5256 if (best_freq > 0) {
5257 if (*pref_freq == 0 && num_unused > 0) {
b17d89bd 5258 wpa_printf(MSG_DEBUG, "P2P: Try to prefer a frequency (%u MHz) we are already using",
a0c90bb0
IP		 5259 best_freq);
5260 *pref_freq = best_freq;
b17d89bd
JM		 5261 } else {
5262 wpa_printf(MSG_DEBUG, "P2P: Try to force us to use frequency (%u MHz) which is already in use",
a0c90bb0
IP		 5263 best_freq);
5264 *force_freq = best_freq;
0d08efa4 5265 }
a0c90bb0
IP		 5266 } else if (num_unused > 0) {
5267 wpa_printf(MSG_DEBUG,
5268 "P2P: Current operating channels are not available for P2P. Try to use another channel");
5269 *force_freq = 0;
5270 } else {
5271 wpa_printf(MSG_DEBUG,
5272 "P2P: All channels are in use and none of them are P2P enabled. Cannot start P2P group");
5273 res = -2;
5274 goto exit_free;
0d08efa4
IP		 5275 }
5276
5277exit_ok:
5278 res = 0;
5279exit_free:
5280 os_free(freqs);
5281 return res;
5de4b721
JM		 5282}
5283
5284
b22128ef
JM		 5285/**
5286 * wpas_p2p_connect - Request P2P Group Formation to be started
5287 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5288 * @peer_addr: Address of the peer P2P Device
5289 * @pin: PIN to use during provisioning or %NULL to indicate PBC mode
5290 * @persistent_group: Whether to create a persistent group
b31be3a0 5291 * @auto_join: Whether to select join vs. GO Negotiation automatically
b22128ef
JM		 5292 * @join: Whether to join an existing group (as a client) instead of starting
5293 * Group Owner negotiation; @peer_addr is BSSID in that case
5294 * @auth: Whether to only authorize the connection instead of doing that and
5295 * initiating Group Owner negotiation
5296 * @go_intent: GO Intent or -1 to use default
5297 * @freq: Frequency for the group or 0 for auto-selection
c27f4c90 5298 * @freq2: Center frequency of segment 1 for the GO operating in VHT 80P80 mode
23c84252
JM		 5299 * @persistent_id: Persistent group credentials to use for forcing GO
5300 * parameters or -1 to generate new values (SSID/passphrase)
3bc462cb
JM		 5301 * @pd: Whether to send Provision Discovery prior to GO Negotiation as an
5302 * interoperability workaround when initiating group formation
e2308e4b 5303 * @ht40: Start GO with 40 MHz channel width
20ea1ca4 5304 * @vht: Start GO with VHT support
c27f4c90
AK		 5305 * @vht_chwidth: Channel width supported by GO operating with VHT support
5306 * (VHT_CHANWIDTH_*).
70e0cb33
JM		 5307 * @group_ssid: Specific Group SSID for join or %NULL if not set
5308 * @group_ssid_len: Length of @group_ssid in octets
d054a462
JM		 5309 * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified
5310 * failure, -2 on failure due to channel not currently available,
5311 * -3 if forced channel is not supported
b22128ef
JM		 5312 */
5313int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
5314 const char *pin, enum p2p_wps_method wps_method,
b31be3a0 5315 int persistent_group, int auto_join, int join, int auth,
c27f4c90
AK		 5316 int go_intent, int freq, unsigned int vht_center_freq2,
5317 int persistent_id, int pd, int ht40, int vht,
70e0cb33
JM		 5318 unsigned int vht_chwidth, const u8 *group_ssid,
5319 size_t group_ssid_len)
b22128ef 5320{
0d08efa4 5321 int force_freq = 0, pref_freq = 0;
5de4b721 5322 int ret = 0, res;
b22128ef 5323 enum wpa_driver_if_type iftype;
6cad95db 5324 const u8 *if_addr;
23c84252 5325 struct wpa_ssid *ssid = NULL;
370017d9 5326 unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size;
b22128ef 5327
9526fd29
JM		 5328 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
5329 return -1;
5330
23c84252
JM		 5331 if (persistent_id >= 0) {
5332 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
5333 if (ssid == NULL || ssid->disabled != 2 ||
5334 ssid->mode != WPAS_MODE_P2P_GO)
5335 return -1;
5336 }
5337
01a57fe4
JM		 5338 os_free(wpa_s->global->add_psk);
5339 wpa_s->global->add_psk = NULL;
5340
95fb2db2 5341 wpa_s->global->p2p_fail_on_wps_complete = 0;
9a58e521 5342 wpa_s->global->pending_p2ps_group = 0;
8bb8e6ed 5343 wpa_s->global->pending_p2ps_group_freq = 0;
b9da88d6 5344 wpa_s->p2ps_method_config_any = 0;
95fb2db2 5345
b22128ef
JM		 5346 if (go_intent < 0)
5347 go_intent = wpa_s->conf->p2p_go_intent;
5348
5349 if (!auth)
5350 wpa_s->p2p_long_listen = 0;
5351
3c5126a4 5352 wpa_s->p2p_wps_method = wps_method;
b31be3a0 5353 wpa_s->p2p_persistent_group = !!persistent_group;
23c84252 5354 wpa_s->p2p_persistent_id = persistent_id;
b31be3a0
JM		 5355 wpa_s->p2p_go_intent = go_intent;
5356 wpa_s->p2p_connect_freq = freq;
aa9bb764 5357 wpa_s->p2p_fallback_to_go_neg = 0;
3bc462cb 5358 wpa_s->p2p_pd_before_go_neg = !!pd;
e2308e4b 5359 wpa_s->p2p_go_ht40 = !!ht40;
20ea1ca4 5360 wpa_s->p2p_go_vht = !!vht;
c27f4c90
AK		 5361 wpa_s->p2p_go_vht_center_freq2 = vht_center_freq2;
5362 wpa_s->p2p_go_max_oper_chwidth = vht_chwidth;
3c5126a4 5363
b22128ef
JM		 5364 if (pin)
5365 os_strlcpy(wpa_s->p2p_pin, pin, sizeof(wpa_s->p2p_pin));
5366 else if (wps_method == WPS_PIN_DISPLAY) {
98a516ea
NL		 5367 if (wps_generate_pin((unsigned int *) &ret) < 0)
5368 return -1;
1d399771
JM		 5369 res = os_snprintf(wpa_s->p2p_pin, sizeof(wpa_s->p2p_pin),
5370 "%08d", ret);
5371 if (os_snprintf_error(sizeof(wpa_s->p2p_pin), res))
5372 wpa_s->p2p_pin[sizeof(wpa_s->p2p_pin) - 1] = '\0';
b22128ef
JM		 5373 wpa_printf(MSG_DEBUG, "P2P: Randomly generated PIN: %s",
5374 wpa_s->p2p_pin);
5375 } else
5376 wpa_s->p2p_pin[0] = '\0';
5377
b31be3a0 5378 if (join || auto_join) {
4147a2cc 5379 u8 iface_addr[ETH_ALEN], dev_addr[ETH_ALEN];
108def93
JM		 5380 if (auth) {
5381 wpa_printf(MSG_DEBUG, "P2P: Authorize invitation to "
5382 "connect a running group from " MACSTR,
5383 MAC2STR(peer_addr));
5384 os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN);
5385 return ret;
5386 }
4147a2cc 5387 os_memcpy(dev_addr, peer_addr, ETH_ALEN);
b22128ef 5388 if (p2p_get_interface_addr(wpa_s->global->p2p, peer_addr,
4147a2cc 5389 iface_addr) < 0) {
b22128ef 5390 os_memcpy(iface_addr, peer_addr, ETH_ALEN);
4147a2cc
JM		 5391 p2p_get_dev_addr(wpa_s->global->p2p, peer_addr,
5392 dev_addr);
5393 }
b31be3a0 5394 if (auto_join) {
acb69cec 5395 os_get_reltime(&wpa_s->p2p_auto_started);
b31be3a0
JM		 5396 wpa_printf(MSG_DEBUG, "P2P: Auto join started at "
5397 "%ld.%06ld",
5398 wpa_s->p2p_auto_started.sec,
5399 wpa_s->p2p_auto_started.usec);
5400 }
67527166 5401 wpa_s->user_initiated_pd = 1;
b31be3a0 5402 if (wpas_p2p_join(wpa_s, iface_addr, dev_addr, wps_method,
70e0cb33
JM		 5403 auto_join, freq,
5404 group_ssid, group_ssid_len) < 0)
b22128ef
JM		 5405 return -1;
5406 return ret;
5407 }
5408
370017d9 5409 size = P2P_MAX_PREF_CHANNELS;
51e9f228 5410 res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq,
370017d9 5411 go_intent == 15, pref_freq_list, &size);
5de4b721
JM		 5412 if (res)
5413 return res;
1b665cbf
JM		 5414 wpas_p2p_set_own_freq_preference(wpa_s,
5415 force_freq ? force_freq : pref_freq);
b22128ef 5416
370017d9
AK		 5417 p2p_set_own_pref_freq_list(wpa_s->global->p2p, pref_freq_list, size);
5418
b22128ef
JM		 5419 wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
5420
6cad95db
JB		 5421 if (wpa_s->create_p2p_iface) {
5422 /* Prepare to add a new interface for the group */
5423 iftype = WPA_IF_P2P_GROUP;
5424 if (go_intent == 15)
5425 iftype = WPA_IF_P2P_GO;
5426 if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) {
5427 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
5428 "interface for the group");
b22128ef 5429 return -1;
6cad95db 5430 }
b22128ef 5431
6cad95db 5432 if_addr = wpa_s->pending_interface_addr;
9f59fe8d 5433 } else {
96a26ab7
LD		 5434 if (wpa_s->p2p_mgmt)
5435 if_addr = wpa_s->parent->own_addr;
5436 else
5437 if_addr = wpa_s->own_addr;
9f59fe8d
JM		 5438 os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
5439 }
b22128ef
JM		 5440
5441 if (auth) {
5442 if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method,
6cad95db 5443 go_intent, if_addr,
04a3e69d
JM		 5444 force_freq, persistent_group, ssid,
5445 pref_freq) < 0)
b22128ef
JM		 5446 return -1;
5447 return ret;
5448 }
6cad95db
JB		 5449
5450 if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method,
5451 go_intent, if_addr, force_freq,
04a3e69d 5452 persistent_group, ssid, pref_freq) < 0) {
6cad95db
JB		 5453 if (wpa_s->create_p2p_iface)
5454 wpas_p2p_remove_pending_group_interface(wpa_s);
b22128ef
JM		 5455 return -1;
5456 }
5457 return ret;
5458}
5459
5460
5461/**
5462 * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start
5463 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5464 * @freq: Frequency of the channel in MHz
5465 * @duration: Duration of the stay on the channel in milliseconds
5466 *
5467 * This callback is called when the driver indicates that it has started the
5468 * requested remain-on-channel duration.
5469 */
5470void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
5471 unsigned int freq, unsigned int duration)
5472{
9526fd29
JM		 5473 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
5474 return;
f2dc06e2
JM		 5475 wpa_printf(MSG_DEBUG, "P2P: remain-on-channel callback (off_channel_freq=%u pending_listen_freq=%d roc_waiting_drv_freq=%d freq=%u duration=%u)",
5476 wpa_s->off_channel_freq, wpa_s->pending_listen_freq,
5477 wpa_s->roc_waiting_drv_freq, freq, duration);
5478 if (wpa_s->off_channel_freq &&
5479 wpa_s->off_channel_freq == wpa_s->pending_listen_freq) {
b22128ef
JM		 5480 p2p_listen_cb(wpa_s->global->p2p, wpa_s->pending_listen_freq,
5481 wpa_s->pending_listen_duration);
5482 wpa_s->pending_listen_freq = 0;
211d7ab3
JM		 5483 } else {
5484 wpa_printf(MSG_DEBUG, "P2P: Ignore remain-on-channel callback (off_channel_freq=%u pending_listen_freq=%d freq=%u duration=%u)",
5485 wpa_s->off_channel_freq, wpa_s->pending_listen_freq,
5486 freq, duration);
b22128ef
JM		 5487 }
5488}
5489
5490
49e1e9ca 5491int wpas_p2p_listen_start(struct wpa_supplicant *wpa_s, unsigned int timeout)
b22128ef
JM		 5492{
5493 /* Limit maximum Listen state time based on driver limitation. */
5494 if (timeout > wpa_s->max_remain_on_chan)
5495 timeout = wpa_s->max_remain_on_chan;
5496
5497 return p2p_listen(wpa_s->global->p2p, timeout);
5498}
5499
5500
5501/**
5502 * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout
5503 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5504 * @freq: Frequency of the channel in MHz
5505 *
5506 * This callback is called when the driver indicates that a remain-on-channel
5507 * operation has been completed, i.e., the duration on the requested channel
5508 * has timed out.
5509 */
5510void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
5511 unsigned int freq)
5512{
1cc3a29d 5513 wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel callback "
11fb02be 5514 "(p2p_long_listen=%d ms pending_action_tx=%p)",
2f3101d8 5515 wpa_s->p2p_long_listen, offchannel_pending_action_tx(wpa_s));
e1d1c8e2 5516 wpas_p2p_listen_work_done(wpa_s);
9526fd29
JM		 5517 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
5518 return;
49e1e9ca
JJ		 5519 if (wpa_s->p2p_long_listen > 0)
5520 wpa_s->p2p_long_listen -= wpa_s->max_remain_on_chan;
b22128ef
JM		 5521 if (p2p_listen_end(wpa_s->global->p2p, freq) > 0)
5522 return; /* P2P module started a new operation */
2f3101d8 5523 if (offchannel_pending_action_tx(wpa_s))
b22128ef 5524 return;
b22128ef
JM		 5525 if (wpa_s->p2p_long_listen > 0) {
5526 wpa_printf(MSG_DEBUG, "P2P: Continuing long Listen state");
11fb02be 5527 wpas_p2p_listen_start(wpa_s, wpa_s->p2p_long_listen);
0b5fb86a
SADR		 5528 } else {
5529 /*
5530 * When listen duration is over, stop listen & update p2p_state
5531 * to IDLE.
5532 */
5533 p2p_stop_listen(wpa_s->global->p2p);
b22128ef
JM		 5534 }
5535}
5536
5537
5538/**
5539 * wpas_p2p_group_remove - Remove a P2P group
5540 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5541 * @ifname: Network interface name of the group interface or "*" to remove all
5542 * groups
5543 * Returns: 0 on success, -1 on failure
5544 *
5545 * This function is used to remove a P2P group. This can be used to disconnect
5546 * from a group in which the local end is a P2P Client or to end a P2P Group in
5547 * case the local end is the Group Owner. If a virtual network interface was
5548 * created for this group, that interface will be removed. Otherwise, only the
5549 * configured P2P group network will be removed from the interface.
5550 */
5551int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname)
5552{
5553 struct wpa_global *global = wpa_s->global;
f2b3acc9 5554 struct wpa_supplicant *calling_wpa_s = wpa_s;
b22128ef
JM		 5555
5556 if (os_strcmp(ifname, "*") == 0) {
5557 struct wpa_supplicant *prev;
5558 wpa_s = global->ifaces;
5559 while (wpa_s) {
5560 prev = wpa_s;
5561 wpa_s = wpa_s->next;
d99ca89d
IP		 5562 if (prev->p2p_group_interface !=
5563 NOT_P2P_GROUP_INTERFACE ||
5564 (prev->current_ssid &&
5565 prev->current_ssid->p2p_group))
f2b3acc9 5566 wpas_p2p_disconnect_safely(prev, calling_wpa_s);
b22128ef
JM		 5567 }
5568 return 0;
5569 }
5570
5571 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
5572 if (os_strcmp(wpa_s->ifname, ifname) == 0)
5573 break;
5574 }
5575
f2b3acc9 5576 return wpas_p2p_disconnect_safely(wpa_s, calling_wpa_s);
b22128ef
JM		 5577}
5578
5579
4abc0424
WJL		 5580static int wpas_p2p_select_go_freq(struct wpa_supplicant *wpa_s, int freq)
5581{
5582 unsigned int r;
5583
8e84921e
AK		 5584 if (!wpa_s->conf->num_p2p_pref_chan && !freq) {
5585 unsigned int i, size = P2P_MAX_PREF_CHANNELS;
5586 unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS];
5587 int res;
5588
5589 res = wpa_drv_get_pref_freq_list(wpa_s, WPA_IF_P2P_GO,
5590 &size, pref_freq_list);
5591 if (!res && size > 0) {
5592 i = 0;
5593 while (wpas_p2p_disallowed_freq(wpa_s->global,
5594 pref_freq_list[i]) &&
5595 i < size) {
5596 wpa_printf(MSG_DEBUG,
5597 "P2P: preferred_freq_list[%d]=%d is disallowed",
5598 i, pref_freq_list[i]);
5599 i++;
5600 }
5601 if (i != size) {
5602 freq = pref_freq_list[i];
5603 wpa_printf(MSG_DEBUG,
5604 "P2P: Using preferred_freq_list[%d]=%d",
5605 i, freq);
5606 } else {
5607 wpa_printf(MSG_DEBUG,
5608 "P2P: All driver preferred frequencies are disallowed for P2P use");
5609 }
5610 } else {
5611 wpa_printf(MSG_DEBUG,
5612 "P2P: No preferred frequency list available");
5613 }
5614 }
5615
4abc0424
WJL		 5616 if (freq == 2) {
5617 wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 2.4 GHz "
5618 "band");
5619 if (wpa_s->best_24_freq > 0 &&
556b30da
JM		 5620 p2p_supported_freq_go(wpa_s->global->p2p,
5621 wpa_s->best_24_freq)) {
4abc0424
WJL		 5622 freq = wpa_s->best_24_freq;
5623 wpa_printf(MSG_DEBUG, "P2P: Use best 2.4 GHz band "
5624 "channel: %d MHz", freq);
5625 } else {
df2508d7
JM		 5626 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
5627 return -1;
4abc0424
WJL		 5628 freq = 2412 + (r % 3) * 25;
5629 wpa_printf(MSG_DEBUG, "P2P: Use random 2.4 GHz band "
5630 "channel: %d MHz", freq);
5631 }
5632 }
5633
5634 if (freq == 5) {
5635 wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 5 GHz "
5636 "band");
5637 if (wpa_s->best_5_freq > 0 &&
556b30da 5638 p2p_supported_freq_go(wpa_s->global->p2p,
4abc0424
WJL		 5639 wpa_s->best_5_freq)) {
5640 freq = wpa_s->best_5_freq;
5641 wpa_printf(MSG_DEBUG, "P2P: Use best 5 GHz band "
5642 "channel: %d MHz", freq);
5643 } else {
df2508d7
JM		 5644 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
5645 return -1;
4abc0424 5646 freq = 5180 + (r % 4) * 20;
556b30da 5647 if (!p2p_supported_freq_go(wpa_s->global->p2p, freq)) {
4abc0424
WJL		 5648 wpa_printf(MSG_DEBUG, "P2P: Could not select "
5649 "5 GHz channel for P2P group");
5650 return -1;
5651 }
5652 wpa_printf(MSG_DEBUG, "P2P: Use random 5 GHz band "
5653 "channel: %d MHz", freq);
5654 }
5655 }
5656
556b30da 5657 if (freq > 0 && !p2p_supported_freq_go(wpa_s->global->p2p, freq)) {
d7f1aa8f
AK		 5658 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) &&
5659 ieee80211_is_dfs(freq)) {
5660 /*
5661 * If freq is a DFS channel and DFS is offloaded to the
5662 * driver, allow P2P GO to use it.
5663 */
5664 wpa_printf(MSG_DEBUG, "P2P: "
5665 "%s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded",
5666 __func__, freq);
5667 return freq;
5668 }
4abc0424
WJL		 5669 wpa_printf(MSG_DEBUG, "P2P: The forced channel for GO "
5670 "(%u MHz) is not supported for P2P uses",
5671 freq);
5672 return -1;
5673 }
5674
5675 return freq;
5676}
5677
5678
b1308121
IP		 5679static int wpas_p2p_supported_freq_go(struct wpa_supplicant *wpa_s,
5680 const struct p2p_channels *channels,
5681 int freq)
5682{
5683 if (!wpas_p2p_disallowed_freq(wpa_s->global, freq) &&
5684 p2p_supported_freq_go(wpa_s->global->p2p, freq) &&
5685 freq_included(wpa_s, channels, freq))
5686 return 1;
5687 return 0;
5688}
5689
5690
5691static void wpas_p2p_select_go_freq_no_pref(struct wpa_supplicant *wpa_s,
5692 struct p2p_go_neg_results *params,
5693 const struct p2p_channels *channels)
28812a89
IP		 5694{
5695 unsigned int i, r;
5696
5697 /* first try some random selection of the social channels */
5e62cfdf 5698 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
b1308121 5699 return;
28812a89
IP		 5700
5701 for (i = 0; i < 3; i++) {
5702 params->freq = 2412 + ((r + i) % 3) * 25;
b1308121 5703 if (wpas_p2p_supported_freq_go(wpa_s, channels, params->freq))
28812a89
IP		 5704 goto out;
5705 }
5706
b1308121 5707 /* try all other channels in operating class 81 */
28812a89
IP		 5708 for (i = 0; i < 11; i++) {
5709 params->freq = 2412 + i * 5;
b1308121
IP		 5710
5711 /* skip social channels; covered in the previous loop */
5712 if (params->freq == 2412 ||
5713 params->freq == 2437 ||
5714 params->freq == 2462)
5715 continue;
5716
5717 if (wpas_p2p_supported_freq_go(wpa_s, channels, params->freq))
1595eb93
AM		 5718 goto out;
5719 }
5720
95d7b863
KV		 5721 /* try all channels in operating class 115 */
5722 for (i = 0; i < 4; i++) {
5723 params->freq = 5180 + i * 20;
5724 if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
e280110d 5725 freq_included(wpa_s, channels, params->freq) &&
95d7b863
KV		 5726 p2p_supported_freq(wpa_s->global->p2p, params->freq))
5727 goto out;
5728 }
5729
5730 /* try all channels in operating class 124 */
5731 for (i = 0; i < 4; i++) {
5732 params->freq = 5745 + i * 20;
5733 if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
e280110d 5734 freq_included(wpa_s, channels, params->freq) &&
95d7b863
KV		 5735 p2p_supported_freq(wpa_s->global->p2p, params->freq))
5736 goto out;
5737 }
5738
1595eb93
AM		 5739 /* try social channel class 180 channel 2 */
5740 params->freq = 58320 + 1 * 2160;
5741 if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
e280110d 5742 freq_included(wpa_s, channels, params->freq) &&
1595eb93
AM		 5743 p2p_supported_freq(wpa_s->global->p2p, params->freq))
5744 goto out;
5745
5746 /* try all channels in reg. class 180 */
5747 for (i = 0; i < 4; i++) {
5748 params->freq = 58320 + i * 2160;
5749 if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
e280110d 5750 freq_included(wpa_s, channels, params->freq) &&
1595eb93 5751 p2p_supported_freq(wpa_s->global->p2p, params->freq))
28812a89
IP		 5752 goto out;
5753 }
5754
b1308121 5755 params->freq = 0;
95d7b863 5756 wpa_printf(MSG_DEBUG, "P2P: No 2.4, 5, or 60 GHz channel allowed");
b1308121 5757 return;
28812a89
IP		 5758out:
5759 wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz (no preference known)",
5760 params->freq);
28812a89
IP		 5761}
5762
5763
b8349523
NKG		 5764static int wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s,
5765 struct p2p_go_neg_results *params,
c27f4c90
AK		 5766 int freq, int vht_center_freq2, int ht40,
5767 int vht, int max_oper_chwidth,
54733624 5768 const struct p2p_channels *channels)
b22128ef 5769{
a0c90bb0 5770 struct wpa_used_freq_data *freqs;
b1308121 5771 unsigned int cand;
0d08efa4 5772 unsigned int num, i;
23dcb302 5773 int ignore_no_freqs = 0;
c69ef1d2 5774 int unused_channels = wpas_p2p_num_unused_channels(wpa_s) > 0;
b22128ef
JM		 5775
5776 os_memset(params, 0, sizeof(*params));
5777 params->role_go = 1;
7aeac985 5778 params->ht40 = ht40;
20ea1ca4 5779 params->vht = vht;
c27f4c90
AK		 5780 params->max_oper_chwidth = max_oper_chwidth;
5781 params->vht_center_freq2 = vht_center_freq2;
e280110d 5782
b1308121
IP		 5783 freqs = os_calloc(wpa_s->num_multichan_concurrent,
5784 sizeof(struct wpa_used_freq_data));
5785 if (!freqs)
5786 return -1;
5787
23dcb302
IP		 5788 num = get_shared_radio_freqs_data(wpa_s, freqs,
5789 wpa_s->num_multichan_concurrent);
5790
5791 if (wpa_s->current_ssid &&
5792 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO &&
5793 wpa_s->wpa_state == WPA_COMPLETED) {
5794 wpa_printf(MSG_DEBUG, "P2P: %s called for an active GO",
5795 __func__);
5796
5797 /*
5798 * If the frequency selection is done for an active P2P GO that
5799 * is not sharing a frequency, allow to select a new frequency
5800 * even if there are no unused frequencies as we are about to
5801 * move the P2P GO so its frequency can be re-used.
5802 */
5803 for (i = 0; i < num; i++) {
5804 if (freqs[i].freq == wpa_s->current_ssid->frequency &&
5805 freqs[i].flags == 0) {
5806 ignore_no_freqs = 1;
5807 break;
5808 }
5809 }
5810 }
b1308121
IP		 5811
5812 /* try using the forced freq */
7cfc4ac3 5813 if (freq) {
b1308121
IP		 5814 if (!wpas_p2p_supported_freq_go(wpa_s, channels, freq)) {
5815 wpa_printf(MSG_DEBUG,
5816 "P2P: Forced GO freq %d MHz not accepted",
5817 freq);
5818 goto fail;
5819 }
5820
5821 for (i = 0; i < num; i++) {
5822 if (freqs[i].freq == freq) {
5823 wpa_printf(MSG_DEBUG,
5824 "P2P: forced freq (%d MHz) is also shared",
5825 freq);
5826 params->freq = freq;
5827 goto success;
5828 }
54733624 5829 }
b1308121 5830
c69ef1d2 5831 if (!ignore_no_freqs && !unused_channels) {
b1308121
IP		 5832 wpa_printf(MSG_DEBUG,
5833 "P2P: Cannot force GO on freq (%d MHz) as all the channels are in use",
5834 freq);
5835 goto fail;
5836 }
5837
5838 wpa_printf(MSG_DEBUG,
5839 "P2P: force GO freq (%d MHz) on a free channel",
5840 freq);
b22128ef 5841 params->freq = freq;
b1308121
IP		 5842 goto success;
5843 }
5844
5845 /* consider using one of the shared frequencies */
c69ef1d2
EP		 5846 if (num &&
5847 (!wpa_s->conf->p2p_ignore_shared_freq || !unused_channels)) {
b1308121
IP		 5848 cand = wpas_p2p_pick_best_used_freq(wpa_s, freqs, num);
5849 if (wpas_p2p_supported_freq_go(wpa_s, channels, cand)) {
5850 wpa_printf(MSG_DEBUG,
5851 "P2P: Use shared freq (%d MHz) for GO",
4115b052 5852 cand);
b1308121
IP		 5853 params->freq = cand;
5854 goto success;
5855 }
5856
5857 /* try using one of the shared freqs */
5858 for (i = 0; i < num; i++) {
5859 if (wpas_p2p_supported_freq_go(wpa_s, channels,
5860 freqs[i].freq)) {
5861 wpa_printf(MSG_DEBUG,
5862 "P2P: Use shared freq (%d MHz) for GO",
4115b052 5863 freqs[i].freq);
b1308121
IP		 5864 params->freq = freqs[i].freq;
5865 goto success;
5866 }
5867 }
5868 }
5869
c69ef1d2 5870 if (!ignore_no_freqs && !unused_channels) {
b1308121
IP		 5871 wpa_printf(MSG_DEBUG,
5872 "P2P: Cannot force GO on any of the channels we are already using");
5873 goto fail;
5874 }
5875
5876 /* try using the setting from the configuration file */
5877 if (wpa_s->conf->p2p_oper_reg_class == 81 &&
5878 wpa_s->conf->p2p_oper_channel >= 1 &&
5879 wpa_s->conf->p2p_oper_channel <= 11 &&
5880 wpas_p2p_supported_freq_go(
5881 wpa_s, channels,
5882 2407 + 5 * wpa_s->conf->p2p_oper_channel)) {
b22128ef 5883 params->freq = 2407 + 5 * wpa_s->conf->p2p_oper_channel;
7cfc4ac3
AGS		 5884 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured "
5885 "frequency %d MHz", params->freq);
b1308121
IP		 5886 goto success;
5887 }
5888
5889 if ((wpa_s->conf->p2p_oper_reg_class == 115 ||
5890 wpa_s->conf->p2p_oper_reg_class == 116 ||
5891 wpa_s->conf->p2p_oper_reg_class == 117 ||
5892 wpa_s->conf->p2p_oper_reg_class == 124 ||
5893 wpa_s->conf->p2p_oper_reg_class == 125 ||
5894 wpa_s->conf->p2p_oper_reg_class == 126 ||
5895 wpa_s->conf->p2p_oper_reg_class == 127) &&
5896 wpas_p2p_supported_freq_go(wpa_s, channels,
5897 5000 +
5898 5 * wpa_s->conf->p2p_oper_channel)) {
b22128ef 5899 params->freq = 5000 + 5 * wpa_s->conf->p2p_oper_channel;
7cfc4ac3
AGS		 5900 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured "
5901 "frequency %d MHz", params->freq);
b1308121
IP		 5902 goto success;
5903 }
5904
5905 /* Try using best channels */
5906 if (wpa_s->conf->p2p_oper_channel == 0 &&
5907 wpa_s->best_overall_freq > 0 &&
5908 wpas_p2p_supported_freq_go(wpa_s, channels,
5909 wpa_s->best_overall_freq)) {
7cfc4ac3
AGS		 5910 params->freq = wpa_s->best_overall_freq;
5911 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best overall "
5912 "channel %d MHz", params->freq);
b1308121
IP		 5913 goto success;
5914 }
5915
5916 if (wpa_s->conf->p2p_oper_channel == 0 &&
5917 wpa_s->best_24_freq > 0 &&
5918 wpas_p2p_supported_freq_go(wpa_s, channels,
5919 wpa_s->best_24_freq)) {
7cfc4ac3
AGS		 5920 params->freq = wpa_s->best_24_freq;
5921 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 2.4 GHz "
5922 "channel %d MHz", params->freq);
b1308121
IP		 5923 goto success;
5924 }
5925
5926 if (wpa_s->conf->p2p_oper_channel == 0 &&
5927 wpa_s->best_5_freq > 0 &&
5928 wpas_p2p_supported_freq_go(wpa_s, channels,
5929 wpa_s->best_5_freq)) {
7cfc4ac3
AGS		 5930 params->freq = wpa_s->best_5_freq;
5931 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 5 GHz "
5932 "channel %d MHz", params->freq);
b1308121
IP		 5933 goto success;
5934 }
5935
5936 /* try using preferred channels */
5937 cand = p2p_get_pref_freq(wpa_s->global->p2p, channels);
5938 if (cand && wpas_p2p_supported_freq_go(wpa_s, channels, cand)) {
5939 params->freq = cand;
c6ccf12d
SS		 5940 wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz from preferred "
5941 "channels", params->freq);
b1308121
IP		 5942 goto success;
5943 }
5944
5945 /* Try using one of the group common freqs */
5946 if (wpa_s->p2p_group_common_freqs) {
e280110d 5947 for (i = 0; i < wpa_s->p2p_group_common_freqs_num; i++) {
b1308121
IP		 5948 cand = wpa_s->p2p_group_common_freqs[i];
5949 if (wpas_p2p_supported_freq_go(wpa_s, channels, cand)) {
5950 params->freq = cand;
e280110d
IP		 5951 wpa_printf(MSG_DEBUG,
5952 "P2P: Use freq %d MHz common with the peer",
5953 params->freq);
b1308121 5954 goto success;
e280110d
IP		 5955 }
5956 }
7cfc4ac3
AGS		 5957 }
5958
b1308121
IP		 5959 /* no preference, select some channel */
5960 wpas_p2p_select_go_freq_no_pref(wpa_s, params, channels);
a0c90bb0 5961
b1308121
IP		 5962 if (params->freq == 0) {
5963 wpa_printf(MSG_DEBUG, "P2P: did not find a freq for GO use");
5964 goto fail;
0d08efa4 5965 }
7d669cf7 5966
b1308121 5967success:
0d08efa4 5968 os_free(freqs);
b8349523 5969 return 0;
b1308121
IP		 5970fail:
5971 os_free(freqs);
5972 return -1;
b22128ef
JM		 5973}
5974
5975
5976static struct wpa_supplicant *
5977wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
5978 int go)
5979{
5980 struct wpa_supplicant *group_wpa_s;
5981
ac06fb12 5982 if (!wpas_p2p_create_iface(wpa_s)) {
96a26ab7
LD		 5983 if (wpa_s->p2p_mgmt) {
5984 /*
5985 * We may be called on the p2p_dev interface which
5986 * cannot be used for group operations, so always use
5987 * the primary interface.
5988 */
5989 wpa_s->parent->p2pdev = wpa_s;
5990 wpa_s = wpa_s->parent;
5991 }
5992 wpa_dbg(wpa_s, MSG_DEBUG,
5993 "P2P: Use primary interface for group operations");
bbc6c729 5994 wpa_s->p2p_first_connection_timeout = 0;
96a26ab7
LD		 5995 if (wpa_s != wpa_s->p2pdev)
5996 wpas_p2p_clone_config_dh(wpa_s, wpa_s->p2pdev);
b22128ef 5997 return wpa_s;
ac06fb12 5998 }
b22128ef
JM		 5999
6000 if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO :
ac06fb12 6001 WPA_IF_P2P_CLIENT) < 0) {
92c4465b
JM		 6002 wpa_msg_global(wpa_s, MSG_ERROR,
6003 "P2P: Failed to add group interface");
b22128ef 6004 return NULL;
ac06fb12 6005 }
b22128ef
JM		 6006 group_wpa_s = wpas_p2p_init_group_interface(wpa_s, go);
6007 if (group_wpa_s == NULL) {
92c4465b
JM		 6008 wpa_msg_global(wpa_s, MSG_ERROR,
6009 "P2P: Failed to initialize group interface");
b22128ef
JM		 6010 wpas_p2p_remove_pending_group_interface(wpa_s);
6011 return NULL;
6012 }
6013
ac06fb12
JM		 6014 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use separate group interface %s",
6015 group_wpa_s->ifname);
bbc6c729 6016 group_wpa_s->p2p_first_connection_timeout = 0;
b22128ef
JM		 6017 return group_wpa_s;
6018}
6019
6020
6021/**
6022 * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner
6023 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
6024 * @persistent_group: Whether to create a persistent group
6025 * @freq: Frequency for the group or 0 to indicate no hardcoding
c27f4c90 6026 * @vht_center_freq2: segment_1 center frequency for GO operating in VHT 80P80
20ea1ca4
EP		 6027 * @ht40: Start GO with 40 MHz channel width
6028 * @vht: Start GO with VHT support
c27f4c90 6029 * @vht_chwidth: channel bandwidth for GO operating with VHT support
b22128ef
JM		 6030 * Returns: 0 on success, -1 on failure
6031 *
6032 * This function creates a new P2P group with the local end as the Group Owner,
6033 * i.e., without using Group Owner Negotiation.
6034 */
6035int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group,
c27f4c90
AK		 6036 int freq, int vht_center_freq2, int ht40, int vht,
6037 int max_oper_chwidth)
b22128ef
JM		 6038{
6039 struct p2p_go_neg_results params;
7cfc4ac3 6040
9526fd29
JM		 6041 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6042 return -1;
6043
01a57fe4
JM		 6044 os_free(wpa_s->global->add_psk);
6045 wpa_s->global->add_psk = NULL;
6046
2d4f15d6
JJ		 6047 /* Make sure we are not running find during connection establishment */
6048 wpa_printf(MSG_DEBUG, "P2P: Stop any on-going P2P FIND");
8713a2e6 6049 wpas_p2p_stop_find_oper(wpa_s);
2d4f15d6 6050
4abc0424
WJL		 6051 freq = wpas_p2p_select_go_freq(wpa_s, freq);
6052 if (freq < 0)
4ae4650b 6053 return -1;
4ae4650b 6054
c27f4c90
AK		 6055 if (wpas_p2p_init_go_params(wpa_s, &params, freq, vht_center_freq2,
6056 ht40, vht, max_oper_chwidth, NULL))
b8349523 6057 return -1;
f4329aa2 6058 if (params.freq &&
556b30da 6059 !p2p_supported_freq_go(wpa_s->global->p2p, params.freq)) {
d7f1aa8f
AK		 6060 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) &&
6061 ieee80211_is_dfs(params.freq)) {
6062 /*
6063 * If freq is a DFS channel and DFS is offloaded to the
6064 * driver, allow P2P GO to use it.
6065 */
6066 wpa_printf(MSG_DEBUG,
6067 "P2P: %s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to driver",
6068 __func__, params.freq);
6069 } else {
6070 wpa_printf(MSG_DEBUG,
6071 "P2P: The selected channel for GO (%u MHz) is not supported for P2P uses",
6072 params.freq);
6073 return -1;
6074 }
f4329aa2 6075 }
b22128ef
JM		 6076 p2p_go_params(wpa_s->global->p2p, &params);
6077 params.persistent_group = persistent_group;
6078
6079 wpa_s = wpas_p2p_get_group_iface(wpa_s, 0, 1);
6080 if (wpa_s == NULL)
6081 return -1;
6082 wpas_start_wps_go(wpa_s, &params, 0);
6083
6084 return 0;
6085}
6086
6087
6088static int wpas_start_p2p_client(struct wpa_supplicant *wpa_s,
41d5ce9e 6089 struct wpa_ssid *params, int addr_allocated,
dfaf11d6 6090 int freq, int force_scan)
b22128ef
JM		 6091{
6092 struct wpa_ssid *ssid;
6093
6094 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 0);
6095 if (wpa_s == NULL)
6096 return -1;
dfaf11d6
JM		 6097 if (force_scan)
6098 os_get_reltime(&wpa_s->scan_min_time);
5bf9a6c8 6099 wpa_s->p2p_last_4way_hs_fail = NULL;
b22128ef
JM		 6100
6101 wpa_supplicant_ap_deinit(wpa_s);
6102
6103 ssid = wpa_config_add_network(wpa_s->conf);
6104 if (ssid == NULL)
6105 return -1;
9f59fe8d 6106 os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
b22128ef
JM		 6107 wpa_config_set_network_defaults(ssid);
6108 ssid->temporary = 1;
6109 ssid->proto = WPA_PROTO_RSN;
6110 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
6111 ssid->group_cipher = WPA_CIPHER_CCMP;
6112 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
6113 ssid->ssid = os_malloc(params->ssid_len);
6114 if (ssid->ssid == NULL) {
b22128ef
JM		 6115 wpa_config_remove_network(wpa_s->conf, ssid->id);
6116 return -1;
6117 }
6118 os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
6119 ssid->ssid_len = params->ssid_len;
6120 ssid->p2p_group = 1;
d1c8ac88 6121 ssid->export_keys = 1;
b22128ef
JM		 6122 if (params->psk_set) {
6123 os_memcpy(ssid->psk, params->psk, 32);
6124 ssid->psk_set = 1;
6125 }
6126 if (params->passphrase)
6127 ssid->passphrase = os_strdup(params->passphrase);
6128
b22128ef 6129 wpa_s->show_group_started = 1;
41d5ce9e
RR		 6130 wpa_s->p2p_in_invitation = 1;
6131 wpa_s->p2p_invite_go_freq = freq;
bf3214b5
JM		 6132 wpa_s->p2p_go_group_formation_completed = 0;
6133 wpa_s->global->p2p_group_formation = wpa_s;
b22128ef 6134
ba307f85 6135 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->p2pdev,
91364b7f
SDU		 6136 NULL);
6137 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0,
6138 wpas_p2p_group_formation_timeout,
ba307f85 6139 wpa_s->p2pdev, NULL);
6fc48481
RR		 6140 wpa_supplicant_select_network(wpa_s, ssid);
6141
b22128ef
JM		 6142 return 0;
6143}
6144
6145
6146int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s,
6147 struct wpa_ssid *ssid, int addr_allocated,
c27f4c90
AK		 6148 int force_freq, int neg_freq,
6149 int vht_center_freq2, int ht40,
6150 int vht, int max_oper_chwidth,
6151 const struct p2p_channels *channels,
dfaf11d6 6152 int connection_timeout, int force_scan)
b22128ef
JM		 6153{
6154 struct p2p_go_neg_results params;
062a7c0d 6155 int go = 0, freq;
b22128ef
JM		 6156
6157 if (ssid->disabled != 2 || ssid->ssid == NULL)
6158 return -1;
6159
6c0da49f
JM		 6160 if (wpas_get_p2p_group(wpa_s, ssid->ssid, ssid->ssid_len, &go) &&
6161 go == (ssid->mode == WPAS_MODE_P2P_GO)) {
6162 wpa_printf(MSG_DEBUG, "P2P: Requested persistent group is "
6163 "already running");
ccad05a9
KV		 6164 if (go == 0 &&
6165 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 6166 wpa_s->p2pdev, NULL)) {
ccad05a9
KV		 6167 /*
6168 * This can happen if Invitation Response frame was lost
6169 * and the peer (GO of a persistent group) tries to
6170 * invite us again. Reschedule the timeout to avoid
6171 * terminating the wait for the connection too early
6172 * since we now know that the peer is still trying to
6173 * invite us instead of having already started the GO.
6174 */
6175 wpa_printf(MSG_DEBUG,
6176 "P2P: Reschedule group formation timeout since peer is still trying to invite us");
6177 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0,
6178 wpas_p2p_group_formation_timeout,
ba307f85 6179 wpa_s->p2pdev, NULL);
ccad05a9 6180 }
6c0da49f
JM		 6181 return 0;
6182 }
6183
01a57fe4
JM		 6184 os_free(wpa_s->global->add_psk);
6185 wpa_s->global->add_psk = NULL;
6186
9d39057c 6187 /* Make sure we are not running find during connection establishment */
8713a2e6 6188 wpas_p2p_stop_find_oper(wpa_s);
b22128ef 6189
aa9bb764
JM		 6190 wpa_s->p2p_fallback_to_go_neg = 0;
6191
431dd8bb
MK		 6192 if (ssid->mode == WPAS_MODE_P2P_GO) {
6193 if (force_freq > 0) {
6194 freq = wpas_p2p_select_go_freq(wpa_s, force_freq);
6195 if (freq < 0)
6196 return -1;
6197 } else {
6198 freq = wpas_p2p_select_go_freq(wpa_s, neg_freq);
6199 if (freq < 0 ||
e280110d 6200 (freq > 0 && !freq_included(wpa_s, channels, freq)))
431dd8bb
MK		 6201 freq = 0;
6202 }
989e7846 6203 } else if (ssid->mode == WPAS_MODE_INFRA) {
431dd8bb 6204 freq = neg_freq;
e280110d 6205 if (freq <= 0 || !freq_included(wpa_s, channels, freq)) {
989e7846
AS		 6206 struct os_reltime now;
6207 struct wpa_bss *bss =
6208 wpa_bss_get_p2p_dev_addr(wpa_s, ssid->bssid);
6209
6210 os_get_reltime(&now);
6211 if (bss &&
6212 !os_reltime_expired(&now, &bss->last_update, 5) &&
e280110d 6213 freq_included(wpa_s, channels, bss->freq))
989e7846
AS		 6214 freq = bss->freq;
6215 else
6216 freq = 0;
6217 }
4abc0424 6218
dfaf11d6
JM		 6219 return wpas_start_p2p_client(wpa_s, ssid, addr_allocated, freq,
6220 force_scan);
989e7846 6221 } else {
41d5ce9e 6222 return -1;
989e7846 6223 }
41d5ce9e 6224
c27f4c90
AK		 6225 if (wpas_p2p_init_go_params(wpa_s, &params, freq, vht_center_freq2,
6226 ht40, vht, max_oper_chwidth, channels))
b8349523 6227 return -1;
b22128ef
JM		 6228
6229 params.role_go = 1;
30c371e8
MH		 6230 params.psk_set = ssid->psk_set;
6231 if (params.psk_set)
6232 os_memcpy(params.psk, ssid->psk, sizeof(params.psk));
bb4d4deb
MH		 6233 if (ssid->passphrase) {
6234 if (os_strlen(ssid->passphrase) >= sizeof(params.passphrase)) {
6235 wpa_printf(MSG_ERROR, "P2P: Invalid passphrase in "
6236 "persistent group");
6237 return -1;
6238 }
6239 os_strlcpy(params.passphrase, ssid->passphrase,
6240 sizeof(params.passphrase));
b22128ef 6241 }
b22128ef
JM		 6242 os_memcpy(params.ssid, ssid->ssid, ssid->ssid_len);
6243 params.ssid_len = ssid->ssid_len;
6244 params.persistent_group = 1;
6245
6246 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 1);
6247 if (wpa_s == NULL)
6248 return -1;
6249
1170239e
IP		 6250 p2p_channels_to_freqs(channels, params.freq_list, P2P_MAX_CHANNELS);
6251
bbc6c729 6252 wpa_s->p2p_first_connection_timeout = connection_timeout;
b22128ef
JM		 6253 wpas_start_wps_go(wpa_s, &params, 0);
6254
6255 return 0;
6256}
6257
6258
6259static void wpas_p2p_ie_update(void *ctx, struct wpabuf *beacon_ies,
6260 struct wpabuf *proberesp_ies)
6261{
6262 struct wpa_supplicant *wpa_s = ctx;
6263 if (wpa_s->ap_iface) {
6264 struct hostapd_data *hapd = wpa_s->ap_iface->bss[0];
adc33680
JM		 6265 if (!(hapd->conf->p2p & P2P_GROUP_OWNER)) {
6266 wpabuf_free(beacon_ies);
6267 wpabuf_free(proberesp_ies);
6268 return;
6269 }
b22128ef
JM		 6270 if (beacon_ies) {
6271 wpabuf_free(hapd->p2p_beacon_ie);
6272 hapd->p2p_beacon_ie = beacon_ies;
6273 }
6274 wpabuf_free(hapd->p2p_probe_resp_ie);
6275 hapd->p2p_probe_resp_ie = proberesp_ies;
6276 } else {
6277 wpabuf_free(beacon_ies);
6278 wpabuf_free(proberesp_ies);
6279 }
6280 wpa_supplicant_ap_update_beacon(wpa_s);
6281}
6282
6283
3071e181
JM		 6284static void wpas_p2p_idle_update(void *ctx, int idle)
6285{
6286 struct wpa_supplicant *wpa_s = ctx;
6287 if (!wpa_s->ap_iface)
6288 return;
6289 wpa_printf(MSG_DEBUG, "P2P: GO - group %sidle", idle ? "" : "not ");
95fb2db2
JM		 6290 if (idle) {
6291 if (wpa_s->global->p2p_fail_on_wps_complete &&
6292 wpa_s->p2p_in_provisioning) {
6293 wpas_p2p_grpform_fail_after_wps(wpa_s);
6294 return;
6295 }
3071e181 6296 wpas_p2p_set_group_idle_timeout(wpa_s);
95fb2db2 6297 } else
3071e181
JM		 6298 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
6299}
6300
6301
b22128ef 6302struct p2p_group * wpas_p2p_group_init(struct wpa_supplicant *wpa_s,
6f251b6b 6303 struct wpa_ssid *ssid)
b22128ef
JM		 6304{
6305 struct p2p_group *group;
6306 struct p2p_group_config *cfg;
6307
9526fd29
JM		 6308 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6309 return NULL;
3ac17eba 6310
b22128ef
JM		 6311 cfg = os_zalloc(sizeof(*cfg));
6312 if (cfg == NULL)
6313 return NULL;
6314
6f251b6b 6315 if (ssid->p2p_persistent_group && wpa_s->conf->persistent_reconnect)
acc247b2 6316 cfg->persistent_group = 2;
6f251b6b 6317 else if (ssid->p2p_persistent_group)
acc247b2 6318 cfg->persistent_group = 1;
b22128ef 6319 os_memcpy(cfg->interface_addr, wpa_s->own_addr, ETH_ALEN);
3f4ce13f
JM		 6320 if (wpa_s->max_stations &&
6321 wpa_s->max_stations < wpa_s->conf->max_num_sta)
6322 cfg->max_clients = wpa_s->max_stations;
6323 else
6324 cfg->max_clients = wpa_s->conf->max_num_sta;
6f251b6b
JM		 6325 os_memcpy(cfg->ssid, ssid->ssid, ssid->ssid_len);
6326 cfg->ssid_len = ssid->ssid_len;
ea43ad96 6327 cfg->freq = ssid->frequency;
b22128ef
JM		 6328 cfg->cb_ctx = wpa_s;
6329 cfg->ie_update = wpas_p2p_ie_update;
3071e181 6330 cfg->idle_update = wpas_p2p_idle_update;
b22128ef
JM		 6331
6332 group = p2p_group_init(wpa_s->global->p2p, cfg);
6333 if (group == NULL)
6334 os_free(cfg);
6f251b6b 6335 if (ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION)
b22128ef
JM		 6336 p2p_group_notif_formation_done(group);
6337 wpa_s->p2p_group = group;
6338 return group;
6339}
6340
6341
6342void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
6343 int registrar)
6344{
10531d21
JM		 6345 struct wpa_ssid *ssid = wpa_s->current_ssid;
6346
b22128ef
JM		 6347 if (!wpa_s->p2p_in_provisioning) {
6348 wpa_printf(MSG_DEBUG, "P2P: Ignore WPS success event - P2P "
6349 "provisioning not in progress");
6350 return;
6351 }
6352
10531d21
JM		 6353 if (ssid && ssid->mode == WPAS_MODE_INFRA) {
6354 u8 go_dev_addr[ETH_ALEN];
6355 os_memcpy(go_dev_addr, wpa_s->bssid, ETH_ALEN);
6356 wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid,
6357 ssid->ssid_len);
6358 /* Clear any stored provisioning info */
6359 p2p_clear_provisioning_info(wpa_s->global->p2p, go_dev_addr);
6360 }
ec437d9e 6361
ba307f85 6362 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->p2pdev,
b22128ef 6363 NULL);
41f85323 6364 wpa_s->p2p_go_group_formation_completed = 1;
361cdf34
JM		 6365 if (ssid && ssid->mode == WPAS_MODE_INFRA) {
6366 /*
6367 * Use a separate timeout for initial data connection to
6368 * complete to allow the group to be removed automatically if
6369 * something goes wrong in this step before the P2P group idle
6370 * timeout mechanism is taken into use.
6371 */
41f85323
JM		 6372 wpa_dbg(wpa_s, MSG_DEBUG,
6373 "P2P: Re-start group formation timeout (%d seconds) as client for initial connection",
6374 P2P_MAX_INITIAL_CONN_WAIT);
361cdf34
JM		 6375 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0,
6376 wpas_p2p_group_formation_timeout,
ba307f85 6377 wpa_s->p2pdev, NULL);
328f49ac
JM		 6378 /* Complete group formation on successful data connection. */
6379 wpa_s->p2p_go_group_formation_completed = 0;
41f85323
JM		 6380 } else if (ssid) {
6381 /*
6382 * Use a separate timeout for initial data connection to
6383 * complete to allow the group to be removed automatically if
6384 * the client does not complete data connection successfully.
6385 */
6386 wpa_dbg(wpa_s, MSG_DEBUG,
6387 "P2P: Re-start group formation timeout (%d seconds) as GO for initial connection",
6388 P2P_MAX_INITIAL_CONN_WAIT_GO);
6389 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT_GO, 0,
6390 wpas_p2p_group_formation_timeout,
ba307f85 6391 wpa_s->p2pdev, NULL);
41f85323
JM		 6392 /*
6393 * Complete group formation on first successful data connection
6394 */
6395 wpa_s->p2p_go_group_formation_completed = 0;
361cdf34 6396 }
b22128ef
JM		 6397 if (wpa_s->global->p2p)
6398 p2p_wps_success_cb(wpa_s->global->p2p, peer_addr);
d95c5994 6399 wpas_group_formation_completed(wpa_s, 1, 0);
b22128ef
JM		 6400}
6401
6402
3734552f
JS		 6403void wpas_p2p_wps_failed(struct wpa_supplicant *wpa_s,
6404 struct wps_event_fail *fail)
6405{
6406 if (!wpa_s->p2p_in_provisioning) {
6407 wpa_printf(MSG_DEBUG, "P2P: Ignore WPS fail event - P2P "
6408 "provisioning not in progress");
6409 return;
6410 }
ec437d9e
JJ		 6411
6412 if (wpa_s->go_params) {
6413 p2p_clear_provisioning_info(
6414 wpa_s->global->p2p,
10531d21 6415 wpa_s->go_params->peer_device_addr);
ec437d9e
JJ		 6416 }
6417
3734552f 6418 wpas_notify_p2p_wps_failed(wpa_s, fail);
95fb2db2
JM		 6419
6420 if (wpa_s == wpa_s->global->p2p_group_formation) {
6421 /*
6422 * Allow some time for the failed WPS negotiation exchange to
6423 * complete, but remove the group since group formation cannot
6424 * succeed after provisioning failure.
6425 */
6426 wpa_printf(MSG_DEBUG, "P2P: WPS step failed during group formation - reject connection from timeout");
6427 wpa_s->global->p2p_fail_on_wps_complete = 1;
6428 eloop_deplete_timeout(0, 50000,
6429 wpas_p2p_group_formation_timeout,
ba307f85 6430 wpa_s->p2pdev, NULL);
95fb2db2
JM		 6431 }
6432}
6433
6434
6435int wpas_p2p_wps_eapol_cb(struct wpa_supplicant *wpa_s)
6436{
6437 if (!wpa_s->global->p2p_fail_on_wps_complete ||
6438 !wpa_s->p2p_in_provisioning)
6439 return 0;
6440
6441 wpas_p2p_grpform_fail_after_wps(wpa_s);
6442
6443 return 1;
3734552f
JS		 6444}
6445
6446
b22128ef 6447int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
0918c4bf 6448 const char *config_method,
6d908514
KV		 6449 enum wpas_p2p_prov_disc_use use,
6450 struct p2ps_provision *p2ps_prov)
b22128ef
JM		 6451{
6452 u16 config_methods;
6453
9a58e521 6454 wpa_s->global->pending_p2ps_group = 0;
8bb8e6ed 6455 wpa_s->global->pending_p2ps_group_freq = 0;
aa9bb764 6456 wpa_s->p2p_fallback_to_go_neg = 0;
0918c4bf 6457 wpa_s->pending_pd_use = NORMAL_PD;
6d908514
KV		 6458 if (p2ps_prov && use == WPAS_P2P_PD_FOR_ASP) {
6459 p2ps_prov->conncap = p2ps_group_capability(
ebd32943
IP		 6460 wpa_s, P2PS_SETUP_NONE, p2ps_prov->role,
6461 &p2ps_prov->force_freq, &p2ps_prov->pref_freq);
6462
6d908514
KV		 6463 wpa_printf(MSG_DEBUG,
6464 "P2P: %s conncap: %d - ASP parsed: %x %x %d %s",
6465 __func__, p2ps_prov->conncap,
6466 p2ps_prov->adv_id, p2ps_prov->conncap,
6467 p2ps_prov->status, p2ps_prov->info);
6468
6469 config_methods = 0;
6470 } else if (os_strncmp(config_method, "display", 7) == 0)
b22128ef 6471 config_methods = WPS_CONFIG_DISPLAY;
8c5f7309 6472 else if (os_strncmp(config_method, "keypad", 6) == 0)
b22128ef 6473 config_methods = WPS_CONFIG_KEYPAD;
8c5f7309
JJ		 6474 else if (os_strncmp(config_method, "pbc", 3) == 0 ||
6475 os_strncmp(config_method, "pushbutton", 10) == 0)
b22128ef 6476 config_methods = WPS_CONFIG_PUSHBUTTON;
8c5f7309
JJ		 6477 else {
6478 wpa_printf(MSG_DEBUG, "P2P: Unknown config method");
6d908514 6479 os_free(p2ps_prov);
b22128ef 6480 return -1;
8c5f7309 6481 }
b22128ef 6482
0918c4bf
JM		 6483 if (use == WPAS_P2P_PD_AUTO) {
6484 os_memcpy(wpa_s->pending_join_dev_addr, peer_addr, ETH_ALEN);
6485 wpa_s->pending_pd_config_methods = config_methods;
6486 wpa_s->p2p_auto_pd = 1;
6487 wpa_s->p2p_auto_join = 0;
6488 wpa_s->pending_pd_before_join = 0;
84286a22 6489 wpa_s->auto_pd_scan_retry = 0;
0918c4bf
JM		 6490 wpas_p2p_stop_find(wpa_s);
6491 wpa_s->p2p_join_scan_count = 0;
acb69cec 6492 os_get_reltime(&wpa_s->p2p_auto_started);
84286a22
SDU		 6493 wpa_printf(MSG_DEBUG, "P2P: Auto PD started at %ld.%06ld",
6494 wpa_s->p2p_auto_started.sec,
6495 wpa_s->p2p_auto_started.usec);
0918c4bf
JM		 6496 wpas_p2p_join_scan(wpa_s, NULL);
6497 return 0;
6498 }
6499
6d908514
KV		 6500 if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled) {
6501 os_free(p2ps_prov);
b22128ef 6502 return -1;
6d908514 6503 }
b22128ef 6504
6d908514 6505 return p2p_prov_disc_req(wpa_s->global->p2p, peer_addr, p2ps_prov,
0918c4bf 6506 config_methods, use == WPAS_P2P_PD_FOR_JOIN,
67527166 6507 0, 1);
b22128ef
JM		 6508}
6509
6510
6511int wpas_p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
6512 char *end)
6513{
6514 return p2p_scan_result_text(ies, ies_len, buf, end);
6515}
6516
6517
1cc3a29d
JM		 6518static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant *wpa_s)
6519{
2f3101d8 6520 if (!offchannel_pending_action_tx(wpa_s))
1cc3a29d
JM		 6521 return;
6522
944f6935 6523 if (wpa_s->p2p_send_action_work) {
2c51c0bd 6524 wpas_p2p_free_send_action_work(wpa_s);
944f6935
JM		 6525 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout,
6526 wpa_s, NULL);
6527 offchannel_send_action_done(wpa_s);
6528 }
2fa980f0 6529
1cc3a29d
JM		 6530 wpa_printf(MSG_DEBUG, "P2P: Drop pending Action TX due to new "
6531 "operation request");
2f3101d8 6532 offchannel_clear_pending_action_tx(wpa_s);
1cc3a29d
JM		 6533}
6534
6535
b22128ef 6536int wpas_p2p_find(struct wpa_supplicant *wpa_s, unsigned int timeout,
046ef4aa 6537 enum p2p_discovery_type type,
6d92fa6e 6538 unsigned int num_req_dev_types, const u8 *req_dev_types,
51775096 6539 const u8 *dev_id, unsigned int search_delay,
fa9f381f 6540 u8 seek_cnt, const char **seek_string, int freq)
b22128ef 6541{
1cc3a29d 6542 wpas_p2p_clear_pending_action_tx(wpa_s);
b22128ef
JM		 6543 wpa_s->p2p_long_listen = 0;
6544
5bda43cd 6545 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL ||
85a6cdb5 6546 wpa_s->p2p_in_provisioning)
9526fd29
JM		 6547 return -1;
6548
433cd2ce
JM		 6549 wpa_supplicant_cancel_sched_scan(wpa_s);
6550
046ef4aa 6551 return p2p_find(wpa_s->global->p2p, timeout, type,
37448ede 6552 num_req_dev_types, req_dev_types, dev_id,
fa9f381f 6553 search_delay, seek_cnt, seek_string, freq);
b22128ef
JM		 6554}
6555
6556
477b082c
SD		 6557static void wpas_p2p_scan_res_ignore_search(struct wpa_supplicant *wpa_s,
6558 struct wpa_scan_results *scan_res)
6559{
6560 wpa_printf(MSG_DEBUG, "P2P: Ignore scan results");
6561
6562 if (wpa_s->p2p_scan_work) {
6563 struct wpa_radio_work *work = wpa_s->p2p_scan_work;
6564 wpa_s->p2p_scan_work = NULL;
6565 radio_work_done(work);
6566 }
6567
6568 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6569 return;
6570
6571 /*
6572 * Indicate that results have been processed so that the P2P module can
6573 * continue pending tasks.
6574 */
6575 p2p_scan_res_handled(wpa_s->global->p2p);
6576}
6577
6578
a6294141 6579static void wpas_p2p_stop_find_oper(struct wpa_supplicant *wpa_s)
b22128ef 6580{
1cc3a29d 6581 wpas_p2p_clear_pending_action_tx(wpa_s);
b22128ef 6582 wpa_s->p2p_long_listen = 0;
9d39057c 6583 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
ef922c4a 6584 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
b22128ef 6585
9526fd29
JM		 6586 if (wpa_s->global->p2p)
6587 p2p_stop_find(wpa_s->global->p2p);
477b082c
SD		 6588
6589 if (wpa_s->scan_res_handler == wpas_p2p_scan_res_handler) {
6590 wpa_printf(MSG_DEBUG,
6591 "P2P: Do not consider the scan results after stop_find");
6592 wpa_s->scan_res_handler = wpas_p2p_scan_res_ignore_search;
6593 }
8713a2e6
JM		 6594}
6595
6596
6597void wpas_p2p_stop_find(struct wpa_supplicant *wpa_s)
6598{
a6294141 6599 wpas_p2p_stop_find_oper(wpa_s);
93eca615
KV		 6600 if (!wpa_s->global->pending_group_iface_for_p2ps)
6601 wpas_p2p_remove_pending_group_interface(wpa_s);
b22128ef
JM		 6602}
6603
6604
6605static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx)
6606{
6607 struct wpa_supplicant *wpa_s = eloop_ctx;
6608 wpa_s->p2p_long_listen = 0;
6609}
6610
6611
6612int wpas_p2p_listen(struct wpa_supplicant *wpa_s, unsigned int timeout)
6613{
6614 int res;
6615
9526fd29
JM		 6616 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6617 return -1;
6618
433cd2ce 6619 wpa_supplicant_cancel_sched_scan(wpa_s);
1cc3a29d
JM		 6620 wpas_p2p_clear_pending_action_tx(wpa_s);
6621
b22128ef
JM		 6622 if (timeout == 0) {
6623 /*
6624 * This is a request for unlimited Listen state. However, at
6625 * least for now, this is mapped to a Listen state for one
6626 * hour.
6627 */
6628 timeout = 3600;
6629 }
6630 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
6631 wpa_s->p2p_long_listen = 0;
6632
2bb747e2
JM		 6633 /*
6634 * Stop previous find/listen operation to avoid trying to request a new
6635 * remain-on-channel operation while the driver is still running the
6636 * previous one.
6637 */
6638 if (wpa_s->global->p2p)
6639 p2p_stop_find(wpa_s->global->p2p);
6640
b22128ef
JM		 6641 res = wpas_p2p_listen_start(wpa_s, timeout * 1000);
6642 if (res == 0 && timeout * 1000 > wpa_s->max_remain_on_chan) {
11fb02be 6643 wpa_s->p2p_long_listen = timeout * 1000;
b22128ef
JM		 6644 eloop_register_timeout(timeout, 0,
6645 wpas_p2p_long_listen_timeout,
6646 wpa_s, NULL);
6647 }
6648
6649 return res;
6650}
6651
6652
4c08c0bd 6653int wpas_p2p_assoc_req_ie(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
b22128ef
JM		 6654 u8 *buf, size_t len, int p2p_group)
6655{
4c08c0bd
JM		 6656 struct wpabuf *p2p_ie;
6657 int ret;
6658
b22128ef
JM		 6659 if (wpa_s->global->p2p_disabled)
6660 return -1;
d63f1419
SD		 6661 /*
6662 * Advertize mandatory cross connection capability even on
6663 * p2p_disabled=1 interface when associating with a P2P Manager WLAN AP.
6664 */
6665 if (wpa_s->conf->p2p_disabled && p2p_group)
1c2aa04c 6666 return -1;
b22128ef
JM		 6667 if (wpa_s->global->p2p == NULL)
6668 return -1;
e1f1509b
JM		 6669 if (bss == NULL)
6670 return -1;
b22128ef 6671
4c08c0bd
JM		 6672 p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
6673 ret = p2p_assoc_req_ie(wpa_s->global->p2p, bss->bssid, buf, len,
6674 p2p_group, p2p_ie);
6675 wpabuf_free(p2p_ie);
6676
6677 return ret;
b22128ef
JM		 6678}
6679
6680
6681int wpas_p2p_probe_req_rx(struct wpa_supplicant *wpa_s, const u8 *addr,
04a85e44 6682 const u8 *dst, const u8 *bssid,
734ddf61
MS		 6683 const u8 *ie, size_t ie_len,
6684 unsigned int rx_freq, int ssi_signal)
b22128ef
JM		 6685{
6686 if (wpa_s->global->p2p_disabled)
6687 return 0;
6688 if (wpa_s->global->p2p == NULL)
6689 return 0;
6690
2d43d37f 6691 switch (p2p_probe_req_rx(wpa_s->global->p2p, addr, dst, bssid,
734ddf61 6692 ie, ie_len, rx_freq)) {
2d43d37f
JB		 6693 case P2P_PREQ_NOT_P2P:
6694 wpas_notify_preq(wpa_s, addr, dst, bssid, ie, ie_len,
6695 ssi_signal);
6696 /* fall through */
6697 case P2P_PREQ_MALFORMED:
6698 case P2P_PREQ_NOT_LISTEN:
6699 case P2P_PREQ_NOT_PROCESSED:
6700 default: /* make gcc happy */
6701 return 0;
6702 case P2P_PREQ_PROCESSED:
6703 return 1;
6704 }
b22128ef
JM		 6705}
6706
6707
6708void wpas_p2p_rx_action(struct wpa_supplicant *wpa_s, const u8 *da,
6709 const u8 *sa, const u8 *bssid,
6710 u8 category, const u8 *data, size_t len, int freq)
6711{
6712 if (wpa_s->global->p2p_disabled)
6713 return;
6714 if (wpa_s->global->p2p == NULL)
6715 return;
6716
6717 p2p_rx_action(wpa_s->global->p2p, da, sa, bssid, category, data, len,
6718 freq);
6719}
6720
6721
6722void wpas_p2p_scan_ie(struct wpa_supplicant *wpa_s, struct wpabuf *ies)
6723{
c58eed6d
LD		 6724 unsigned int bands;
6725
b22128ef
JM		 6726 if (wpa_s->global->p2p_disabled)
6727 return;
6728 if (wpa_s->global->p2p == NULL)
6729 return;
6730
c58eed6d
LD		 6731 bands = wpas_get_bands(wpa_s, NULL);
6732 p2p_scan_ie(wpa_s->global->p2p, ies, NULL, bands);
b22128ef
JM		 6733}
6734
6735
bd10d938 6736static void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s)
b22128ef
JM		 6737{
6738 p2p_group_deinit(wpa_s->p2p_group);
6739 wpa_s->p2p_group = NULL;
a7fd39bb
JD		 6740
6741 wpa_s->ap_configured_cb = NULL;
6742 wpa_s->ap_configured_cb_ctx = NULL;
6743 wpa_s->ap_configured_cb_data = NULL;
6744 wpa_s->connect_without_scan = NULL;
b22128ef
JM		 6745}
6746
6747
6748int wpas_p2p_reject(struct wpa_supplicant *wpa_s, const u8 *addr)
6749{
6750 wpa_s->p2p_long_listen = 0;
6751
9526fd29
JM		 6752 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6753 return -1;
6754
b22128ef
JM		 6755 return p2p_reject(wpa_s->global->p2p, addr);
6756}
6757
6758
6759/* Invite to reinvoke a persistent group */
6760int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
4d32c0c4 6761 struct wpa_ssid *ssid, const u8 *go_dev_addr, int freq,
c27f4c90
AK		 6762 int vht_center_freq2, int ht40, int vht, int max_chwidth,
6763 int pref_freq)
b22128ef
JM		 6764{
6765 enum p2p_invite_role role;
0d08efa4
IP		 6766 u8 *bssid = NULL;
6767 int force_freq = 0;
5de4b721 6768 int res;
d0f61a4b 6769 int no_pref_freq_given = pref_freq == 0;
370017d9 6770 unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size;
b22128ef 6771
dbca75f8 6772 wpa_s->global->p2p_invite_group = NULL;
77e4e853
JM		 6773 if (peer_addr)
6774 os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN);
6775 else
6776 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6777
4d32c0c4
JM		 6778 wpa_s->p2p_persistent_go_freq = freq;
6779 wpa_s->p2p_go_ht40 = !!ht40;
c27f4c90
AK		 6780 wpa_s->p2p_go_vht = !!vht;
6781 wpa_s->p2p_go_max_oper_chwidth = max_chwidth;
6782 wpa_s->p2p_go_vht_center_freq2 = vht_center_freq2;
b22128ef
JM		 6783 if (ssid->mode == WPAS_MODE_P2P_GO) {
6784 role = P2P_INVITE_ROLE_GO;
6785 if (peer_addr == NULL) {
6786 wpa_printf(MSG_DEBUG, "P2P: Missing peer "
6787 "address in invitation command");
6788 return -1;
6789 }
6790 if (wpas_p2p_create_iface(wpa_s)) {
6791 if (wpas_p2p_add_group_interface(wpa_s,
6792 WPA_IF_P2P_GO) < 0) {
6793 wpa_printf(MSG_ERROR, "P2P: Failed to "
6794 "allocate a new interface for the "
6795 "group");
6796 return -1;
6797 }
6798 bssid = wpa_s->pending_interface_addr;
96a26ab7
LD		 6799 } else if (wpa_s->p2p_mgmt)
6800 bssid = wpa_s->parent->own_addr;
6801 else
b22128ef
JM		 6802 bssid = wpa_s->own_addr;
6803 } else {
6804 role = P2P_INVITE_ROLE_CLIENT;
6805 peer_addr = ssid->bssid;
6806 }
6807 wpa_s->pending_invite_ssid_id = ssid->id;
6808
370017d9 6809 size = P2P_MAX_PREF_CHANNELS;
51e9f228 6810 res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq,
370017d9
AK		 6811 role == P2P_INVITE_ROLE_GO,
6812 pref_freq_list, &size);
5de4b721
JM		 6813 if (res)
6814 return res;
79879f4a 6815
9526fd29
JM		 6816 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6817 return -1;
6818
1b3dd69d
AB		 6819 p2p_set_own_pref_freq_list(wpa_s->global->p2p, pref_freq_list, size);
6820
d0f61a4b
JM		 6821 if (wpa_s->parent->conf->p2p_ignore_shared_freq &&
6822 no_pref_freq_given && pref_freq > 0 &&
6823 wpa_s->num_multichan_concurrent > 1 &&
6824 wpas_p2p_num_unused_channels(wpa_s) > 0) {
6825 wpa_printf(MSG_DEBUG, "P2P: Ignore own channel preference %d MHz for invitation due to p2p_ignore_shared_freq=1 configuration",
6826 pref_freq);
6827 pref_freq = 0;
6828 }
6829
b72b2ad3
IP		 6830 /*
6831 * Stop any find/listen operations before invitation and possibly
6832 * connection establishment.
6833 */
6834 wpas_p2p_stop_find_oper(wpa_s);
6835
b22128ef 6836 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
79879f4a 6837 ssid->ssid, ssid->ssid_len, force_freq, go_dev_addr,
8e9f53c3 6838 1, pref_freq, -1);
b22128ef
JM		 6839}
6840
6841
6842/* Invite to join an active group */
6843int wpas_p2p_invite_group(struct wpa_supplicant *wpa_s, const char *ifname,
6844 const u8 *peer_addr, const u8 *go_dev_addr)
6845{
6846 struct wpa_global *global = wpa_s->global;
6847 enum p2p_invite_role role;
0d08efa4 6848 u8 *bssid = NULL;
b22128ef 6849 struct wpa_ssid *ssid;
c427ac92 6850 int persistent;
73b54d63 6851 int freq = 0, force_freq = 0, pref_freq = 0;
5de4b721 6852 int res;
370017d9 6853 unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size;
b22128ef 6854
4d32c0c4
JM		 6855 wpa_s->p2p_persistent_go_freq = 0;
6856 wpa_s->p2p_go_ht40 = 0;
20ea1ca4 6857 wpa_s->p2p_go_vht = 0;
c27f4c90
AK		 6858 wpa_s->p2p_go_vht_center_freq2 = 0;
6859 wpa_s->p2p_go_max_oper_chwidth = 0;
4d32c0c4 6860
b22128ef
JM		 6861 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6862 if (os_strcmp(wpa_s->ifname, ifname) == 0)
6863 break;
6864 }
6865 if (wpa_s == NULL) {
6866 wpa_printf(MSG_DEBUG, "P2P: Interface '%s' not found", ifname);
6867 return -1;
6868 }
6869
6870 ssid = wpa_s->current_ssid;
6871 if (ssid == NULL) {
6872 wpa_printf(MSG_DEBUG, "P2P: No current SSID to use for "
6873 "invitation");
6874 return -1;
6875 }
6876
dbca75f8 6877 wpa_s->global->p2p_invite_group = wpa_s;
c427ac92 6878 persistent = ssid->p2p_persistent_group &&
ba307f85 6879 wpas_p2p_get_persistent(wpa_s->p2pdev, peer_addr,
c427ac92
JM		 6880 ssid->ssid, ssid->ssid_len);
6881
b22128ef
JM		 6882 if (ssid->mode == WPAS_MODE_P2P_GO) {
6883 role = P2P_INVITE_ROLE_ACTIVE_GO;
6884 bssid = wpa_s->own_addr;
6885 if (go_dev_addr == NULL)
d7e70476 6886 go_dev_addr = wpa_s->global->p2p_dev_addr;
73b54d63 6887 freq = ssid->frequency;
b22128ef
JM		 6888 } else {
6889 role = P2P_INVITE_ROLE_CLIENT;
6890 if (wpa_s->wpa_state < WPA_ASSOCIATED) {
6891 wpa_printf(MSG_DEBUG, "P2P: Not associated - cannot "
6892 "invite to current group");
6893 return -1;
6894 }
6895 bssid = wpa_s->bssid;
6896 if (go_dev_addr == NULL &&
6897 !is_zero_ether_addr(wpa_s->go_dev_addr))
6898 go_dev_addr = wpa_s->go_dev_addr;
73b54d63
JM		 6899 freq = wpa_s->current_bss ? wpa_s->current_bss->freq :
6900 (int) wpa_s->assoc_freq;
b22128ef 6901 }
ba307f85 6902 wpa_s->p2pdev->pending_invite_ssid_id = -1;
b22128ef 6903
9526fd29
JM		 6904 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6905 return -1;
6906
370017d9 6907 size = P2P_MAX_PREF_CHANNELS;
51e9f228 6908 res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq,
370017d9
AK		 6909 role == P2P_INVITE_ROLE_ACTIVE_GO,
6910 pref_freq_list, &size);
5de4b721
JM		 6911 if (res)
6912 return res;
0d08efa4 6913 wpas_p2p_set_own_freq_preference(wpa_s, force_freq);
79879f4a 6914
b22128ef 6915 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
79879f4a 6916 ssid->ssid, ssid->ssid_len, force_freq,
8e9f53c3 6917 go_dev_addr, persistent, pref_freq, -1);
b22128ef
JM		 6918}
6919
6920
6921void wpas_p2p_completed(struct wpa_supplicant *wpa_s)
6922{
6923 struct wpa_ssid *ssid = wpa_s->current_ssid;
b22128ef 6924 u8 go_dev_addr[ETH_ALEN];
4b6baa2f 6925 int network_id = -1;
b22128ef 6926 int persistent;
b49d6ccb 6927 int freq;
25ef8529
JM		 6928 u8 ip[3 * 4];
6929 char ip_addr[100];
b22128ef 6930
73ccd083
JM		 6931 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION) {
6932 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 6933 wpa_s->p2pdev, NULL);
73ccd083 6934 }
361cdf34 6935
b22128ef 6936 if (!wpa_s->show_group_started || !ssid)
1b5d4714 6937 return;
b22128ef
JM		 6938
6939 wpa_s->show_group_started = 0;
328f49ac
JM		 6940 if (!wpa_s->p2p_go_group_formation_completed &&
6941 wpa_s->global->p2p_group_formation == wpa_s) {
6942 wpa_dbg(wpa_s, MSG_DEBUG,
6943 "P2P: Marking group formation completed on client on data connection");
6944 wpa_s->p2p_go_group_formation_completed = 1;
6945 wpa_s->global->p2p_group_formation = NULL;
6946 wpa_s->p2p_in_provisioning = 0;
6947 wpa_s->p2p_in_invitation = 0;
6948 }
b22128ef 6949
b22128ef
JM		 6950 os_memset(go_dev_addr, 0, ETH_ALEN);
6951 if (ssid->bssid_set)
6952 os_memcpy(go_dev_addr, ssid->bssid, ETH_ALEN);
6953 persistent = wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid,
6954 ssid->ssid_len);
6955 os_memcpy(wpa_s->go_dev_addr, go_dev_addr, ETH_ALEN);
6956
a0a9f3b0
JM		 6957 if (wpa_s->global->p2p_group_formation == wpa_s)
6958 wpa_s->global->p2p_group_formation = NULL;
6959
b49d6ccb
JJ		 6960 freq = wpa_s->current_bss ? wpa_s->current_bss->freq :
6961 (int) wpa_s->assoc_freq;
25ef8529
JM		 6962
6963 ip_addr[0] = '\0';
6964 if (wpa_sm_get_p2p_ip_addr(wpa_s->wpa, ip) == 0) {
1d399771
JM		 6965 int res;
6966
6967 res = os_snprintf(ip_addr, sizeof(ip_addr),
6968 " ip_addr=%u.%u.%u.%u "
6969 "ip_mask=%u.%u.%u.%u go_ip_addr=%u.%u.%u.%u",
6970 ip[0], ip[1], ip[2], ip[3],
6971 ip[4], ip[5], ip[6], ip[7],
6972 ip[8], ip[9], ip[10], ip[11]);
6973 if (os_snprintf_error(sizeof(ip_addr), res))
6974 ip_addr[0] = '\0';
25ef8529
JM		 6975 }
6976
f8723e1e
JM		 6977 wpas_p2p_group_started(wpa_s, 0, ssid, freq,
6978 ssid->passphrase == NULL && ssid->psk_set ?
6979 ssid->psk : NULL,
6980 ssid->passphrase, go_dev_addr, persistent,
6981 ip_addr);
b22128ef
JM		 6982
6983 if (persistent)
ba307f85 6984 network_id = wpas_p2p_store_persistent_group(wpa_s->p2pdev,
4b6baa2f
JMB		 6985 ssid, go_dev_addr);
6986 if (network_id < 0)
6987 network_id = ssid->id;
6988 wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 1);
b22128ef
JM		 6989}
6990
6991
6992int wpas_p2p_presence_req(struct wpa_supplicant *wpa_s, u32 duration1,
6993 u32 interval1, u32 duration2, u32 interval2)
6994{
c64e3a08
JM		 6995 int ret;
6996
9526fd29
JM		 6997 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6998 return -1;
3ac17eba 6999
b22128ef
JM		 7000 if (wpa_s->wpa_state < WPA_ASSOCIATED ||
7001 wpa_s->current_ssid == NULL ||
7002 wpa_s->current_ssid->mode != WPAS_MODE_INFRA)
7003 return -1;
7004
c64e3a08
JM		 7005 ret = p2p_presence_req(wpa_s->global->p2p, wpa_s->bssid,
7006 wpa_s->own_addr, wpa_s->assoc_freq,
7007 duration1, interval1, duration2, interval2);
7008 if (ret == 0)
7009 wpa_s->waiting_presence_resp = 1;
7010
7011 return ret;
b22128ef
JM		 7012}
7013
7014
7015int wpas_p2p_ext_listen(struct wpa_supplicant *wpa_s, unsigned int period,
7016 unsigned int interval)
7017{
9526fd29
JM		 7018 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
7019 return -1;
7020
b22128ef
JM		 7021 return p2p_ext_listen(wpa_s->global->p2p, period, interval);
7022}
7023
7024
c8106615
JM		 7025static int wpas_p2p_is_client(struct wpa_supplicant *wpa_s)
7026{
5fbddfdc
JM		 7027 if (wpa_s->current_ssid == NULL) {
7028 /*
c7deed74 7029 * current_ssid can be cleared when P2P client interface gets
5fbddfdc
JM		 7030 * disconnected, so assume this interface was used as P2P
7031 * client.
7032 */
7033 return 1;
7034 }
7035 return wpa_s->current_ssid->p2p_group &&
c8106615
JM		 7036 wpa_s->current_ssid->mode == WPAS_MODE_INFRA;
7037}
7038
7039
3071e181
JM		 7040static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx)
7041{
7042 struct wpa_supplicant *wpa_s = eloop_ctx;
7043
c8106615 7044 if (wpa_s->conf->p2p_group_idle == 0 && !wpas_p2p_is_client(wpa_s)) {
3071e181
JM		 7045 wpa_printf(MSG_DEBUG, "P2P: Ignore group idle timeout - "
7046 "disabled");
7047 return;
7048 }
7049
7050 wpa_printf(MSG_DEBUG, "P2P: Group idle timeout reached - terminate "
7051 "group");
8dba4aef 7052 wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_IDLE_TIMEOUT);
3071e181
JM		 7053}
7054
7055
7056static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s)
7057{
5f482d55 7058 int timeout;
c8106615 7059
dddc7045
JM		 7060 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0)
7061 wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout");
7062
c8106615 7063 if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group)
3071e181
JM		 7064 return;
7065
c8106615
JM		 7066 timeout = wpa_s->conf->p2p_group_idle;
7067 if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
7068 (timeout == 0 || timeout > P2P_MAX_CLIENT_IDLE))
7069 timeout = P2P_MAX_CLIENT_IDLE;
7070
7071 if (timeout == 0)
3071e181
JM		 7072 return;
7073
5f482d55
JM		 7074 if (timeout < 0) {
7075 if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA)
7076 timeout = 0; /* special client mode no-timeout */
7077 else
7078 return;
7079 }
7080
8c472816
JM		 7081 if (wpa_s->p2p_in_provisioning) {
7082 /*
7083 * Use the normal group formation timeout during the
7084 * provisioning phase to avoid terminating this process too
7085 * early due to group idle timeout.
7086 */
7087 wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout "
7088 "during provisioning");
7089 return;
7090 }
7091
361cdf34
JM		 7092 if (wpa_s->show_group_started) {
7093 /*
7094 * Use the normal group formation timeout between the end of
7095 * the provisioning phase and completion of 4-way handshake to
7096 * avoid terminating this process too early due to group idle
7097 * timeout.
7098 */
7099 wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout "
7100 "while waiting for initial 4-way handshake to "
7101 "complete");
7102 return;
7103 }
7104
3071e181 7105 wpa_printf(MSG_DEBUG, "P2P: Set P2P group idle timeout to %u seconds",
c8106615
JM		 7106 timeout);
7107 eloop_register_timeout(timeout, 0, wpas_p2p_group_idle_timeout,
7108 wpa_s, NULL);
3071e181
JM		 7109}
7110
7111
0aadd568
JM		 7112/* Returns 1 if the interface was removed */
7113int wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
7114 u16 reason_code, const u8 *ie, size_t ie_len,
7115 int locally_generated)
b22128ef 7116{
9526fd29 7117 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
0aadd568 7118 return 0;
b22128ef 7119
3fc14102
JM		 7120 if (!locally_generated)
7121 p2p_deauth_notif(wpa_s->global->p2p, bssid, reason_code, ie,
7122 ie_len);
7123
7124 if (reason_code == WLAN_REASON_DEAUTH_LEAVING && !locally_generated &&
7125 wpa_s->current_ssid &&
7126 wpa_s->current_ssid->p2p_group &&
7127 wpa_s->current_ssid->mode == WPAS_MODE_INFRA) {
7128 wpa_printf(MSG_DEBUG, "P2P: GO indicated that the P2P Group "
7129 "session is ending");
0aadd568
JM		 7130 if (wpas_p2p_group_delete(wpa_s,
7131 P2P_GROUP_REMOVAL_GO_ENDING_SESSION)
7132 > 0)
7133 return 1;
3fc14102 7134 }
0aadd568
JM		 7135
7136 return 0;
b22128ef
JM		 7137}
7138
7139
7140void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
3fc14102
JM		 7141 u16 reason_code, const u8 *ie, size_t ie_len,
7142 int locally_generated)
b22128ef 7143{
9526fd29 7144 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
b22128ef
JM		 7145 return;
7146
3fc14102
JM		 7147 if (!locally_generated)
7148 p2p_disassoc_notif(wpa_s->global->p2p, bssid, reason_code, ie,
7149 ie_len);
b22128ef
JM		 7150}
7151
7152
7153void wpas_p2p_update_config(struct wpa_supplicant *wpa_s)
7154{
7155 struct p2p_data *p2p = wpa_s->global->p2p;
7156
7157 if (p2p == NULL)
7158 return;
7159
4c010834
KL		 7160 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
7161 return;
7162
b22128ef
JM		 7163 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_NAME)
7164 p2p_set_dev_name(p2p, wpa_s->conf->device_name);
7165
2f646b6e
JB		 7166 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE)
7167 p2p_set_pri_dev_type(p2p, wpa_s->conf->device_type);
b22128ef 7168
b6e01800
JM		 7169 if (wpa_s->wps &&
7170 (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS))
7171 p2p_set_config_methods(p2p, wpa_s->wps->config_methods);
7172
7173 if (wpa_s->wps && (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID))
7174 p2p_set_uuid(p2p, wpa_s->wps->uuid);
7175
7176 if (wpa_s->conf->changed_parameters & CFG_CHANGED_WPS_STRING) {
7177 p2p_set_manufacturer(p2p, wpa_s->conf->manufacturer);
7178 p2p_set_model_name(p2p, wpa_s->conf->model_name);
7179 p2p_set_model_number(p2p, wpa_s->conf->model_number);
7180 p2p_set_serial_number(p2p, wpa_s->conf->serial_number);
7181 }
7182
2f646b6e
JB		 7183 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE)
7184 p2p_set_sec_dev_types(p2p,
7185 (void *) wpa_s->conf->sec_device_type,
7186 wpa_s->conf->num_sec_device_types);
b22128ef 7187
f95cac27
JMB		 7188 if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) {
7189 int i;
7190 p2p_remove_wps_vendor_extensions(p2p);
7191 for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) {
7192 if (wpa_s->conf->wps_vendor_ext[i] == NULL)
7193 continue;
7194 p2p_add_wps_vendor_extension(
7195 p2p, wpa_s->conf->wps_vendor_ext[i]);
7196 }
7197 }
7198
b22128ef
JM		 7199 if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) &&
7200 wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
7201 char country[3];
7202 country[0] = wpa_s->conf->country[0];
7203 country[1] = wpa_s->conf->country[1];
7204 country[2] = 0x04;
7205 p2p_set_country(p2p, country);
7206 }
7207
7208 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_SSID_POSTFIX) {
7209 p2p_set_ssid_postfix(p2p, (u8 *) wpa_s->conf->p2p_ssid_postfix,
7210 wpa_s->conf->p2p_ssid_postfix ?
7211 os_strlen(wpa_s->conf->p2p_ssid_postfix) :
7212 0);
7213 }
0f66abd2
SS		 7214
7215 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_INTRA_BSS)
7216 p2p_set_intra_bss_dist(p2p, wpa_s->conf->p2p_intra_bss);
2463ba70
JS		 7217
7218 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_LISTEN_CHANNEL) {
7219 u8 reg_class, channel;
7220 int ret;
7221 unsigned int r;
e3bd6e9d
IP		 7222 u8 channel_forced;
7223
2463ba70
JS		 7224 if (wpa_s->conf->p2p_listen_reg_class &&
7225 wpa_s->conf->p2p_listen_channel) {
7226 reg_class = wpa_s->conf->p2p_listen_reg_class;
7227 channel = wpa_s->conf->p2p_listen_channel;
e3bd6e9d 7228 channel_forced = 1;
2463ba70
JS		 7229 } else {
7230 reg_class = 81;
7231 /*
7232 * Pick one of the social channels randomly as the
7233 * listen channel.
7234 */
df2508d7
JM		 7235 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
7236 channel = 1;
7237 else
7238 channel = 1 + (r % 3) * 5;
e3bd6e9d 7239 channel_forced = 0;
2463ba70 7240 }
e3bd6e9d
IP		 7241 ret = p2p_set_listen_channel(p2p, reg_class, channel,
7242 channel_forced);
2463ba70
JS		 7243 if (ret)
7244 wpa_printf(MSG_ERROR, "P2P: Own listen channel update "
7245 "failed: %d", ret);
7246 }
7247 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_OPER_CHANNEL) {
7248 u8 op_reg_class, op_channel, cfg_op_channel;
7249 int ret = 0;
7250 unsigned int r;
7251 if (wpa_s->conf->p2p_oper_reg_class &&
7252 wpa_s->conf->p2p_oper_channel) {
7253 op_reg_class = wpa_s->conf->p2p_oper_reg_class;
7254 op_channel = wpa_s->conf->p2p_oper_channel;
7255 cfg_op_channel = 1;
7256 } else {
7257 op_reg_class = 81;
7258 /*
7259 * Use random operation channel from (1, 6, 11)
7260 *if no other preference is indicated.
7261 */
df2508d7
JM		 7262 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
7263 op_channel = 1;
7264 else
7265 op_channel = 1 + (r % 3) * 5;
2463ba70
JS		 7266 cfg_op_channel = 0;
7267 }
7268 ret = p2p_set_oper_channel(p2p, op_reg_class, op_channel,
7269 cfg_op_channel);
7270 if (ret)
7271 wpa_printf(MSG_ERROR, "P2P: Own oper channel update "
7272 "failed: %d", ret);
7273 }
21d996f7
JM		 7274
7275 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_PREF_CHAN) {
7276 if (p2p_set_pref_chan(p2p, wpa_s->conf->num_p2p_pref_chan,
7277 wpa_s->conf->p2p_pref_chan) < 0) {
7278 wpa_printf(MSG_ERROR, "P2P: Preferred channel list "
7279 "update failed");
7280 }
556b30da
JM		 7281
7282 if (p2p_set_no_go_freq(p2p, &wpa_s->conf->p2p_no_go_freq) < 0) {
7283 wpa_printf(MSG_ERROR, "P2P: No GO channel list "
7284 "update failed");
7285 }
21d996f7 7286 }
1b928f96
JM		 7287
7288 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_PASSPHRASE_LEN)
7289 p2p_set_passphrase_len(p2p, wpa_s->conf->p2p_passphrase_len);
b22128ef 7290}
aefb53bd
JM		 7291
7292
7293int wpas_p2p_set_noa(struct wpa_supplicant *wpa_s, u8 count, int start,
7294 int duration)
7295{
7296 if (!wpa_s->ap_iface)
7297 return -1;
7298 return hostapd_p2p_set_noa(wpa_s->ap_iface->bss[0], count, start,
7299 duration);
7300}
72044390
JM		 7301
7302
7303int wpas_p2p_set_cross_connect(struct wpa_supplicant *wpa_s, int enabled)
7304{
9526fd29 7305 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
72044390 7306 return -1;
72044390
JM		 7307
7308 wpa_s->global->cross_connection = enabled;
7309 p2p_set_cross_connect(wpa_s->global->p2p, enabled);
7310
7311 if (!enabled) {
7312 struct wpa_supplicant *iface;
7313
7314 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
7315 {
7316 if (iface->cross_connect_enabled == 0)
7317 continue;
7318
7319 iface->cross_connect_enabled = 0;
7320 iface->cross_connect_in_use = 0;
ba307f85 7321 wpa_msg_global(iface->p2pdev, MSG_INFO,
92c4465b
JM		 7322 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
7323 iface->ifname,
7324 iface->cross_connect_uplink);
72044390
JM		 7325 }
7326 }
7327
7328 return 0;
7329}
7330
7331
7332static void wpas_p2p_enable_cross_connect(struct wpa_supplicant *uplink)
7333{
7334 struct wpa_supplicant *iface;
7335
7336 if (!uplink->global->cross_connection)
7337 return;
7338
7339 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
7340 if (!iface->cross_connect_enabled)
7341 continue;
7342 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
7343 0)
7344 continue;
7345 if (iface->ap_iface == NULL)
7346 continue;
7347 if (iface->cross_connect_in_use)
7348 continue;
7349
7350 iface->cross_connect_in_use = 1;
ba307f85 7351 wpa_msg_global(iface->p2pdev, MSG_INFO,
92c4465b
JM		 7352 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
7353 iface->ifname, iface->cross_connect_uplink);
72044390
JM		 7354 }
7355}
7356
7357
7358static void wpas_p2p_disable_cross_connect(struct wpa_supplicant *uplink)
7359{
7360 struct wpa_supplicant *iface;
7361
7362 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
7363 if (!iface->cross_connect_enabled)
7364 continue;
7365 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
7366 0)
7367 continue;
7368 if (!iface->cross_connect_in_use)
7369 continue;
7370
ba307f85 7371 wpa_msg_global(iface->p2pdev, MSG_INFO,
92c4465b
JM		 7372 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
7373 iface->ifname, iface->cross_connect_uplink);
72044390
JM		 7374 iface->cross_connect_in_use = 0;
7375 }
7376}
7377
7378
7379void wpas_p2p_notif_connected(struct wpa_supplicant *wpa_s)
7380{
7381 if (wpa_s->ap_iface || wpa_s->current_ssid == NULL ||
7382 wpa_s->current_ssid->mode != WPAS_MODE_INFRA ||
7383 wpa_s->cross_connect_disallowed)
7384 wpas_p2p_disable_cross_connect(wpa_s);
7385 else
7386 wpas_p2p_enable_cross_connect(wpa_s);
dddc7045
JM		 7387 if (!wpa_s->ap_iface &&
7388 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0)
7389 wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout");
72044390
JM		 7390}
7391
7392
7393void wpas_p2p_notif_disconnected(struct wpa_supplicant *wpa_s)
7394{
7395 wpas_p2p_disable_cross_connect(wpa_s);
4c2c6751
JM		 7396 if (!wpa_s->ap_iface &&
7397 !eloop_is_timeout_registered(wpas_p2p_group_idle_timeout,
7398 wpa_s, NULL))
3071e181 7399 wpas_p2p_set_group_idle_timeout(wpa_s);
72044390
JM		 7400}
7401
7402
7403static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s)
7404{
7405 struct wpa_supplicant *iface;
7406
7407 if (!wpa_s->global->cross_connection)
7408 return;
7409
7410 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
7411 if (iface == wpa_s)
7412 continue;
7413 if (iface->drv_flags &
7414 WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)
7415 continue;
42a69725
JM		 7416 if ((iface->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE) &&
7417 iface != wpa_s->parent)
72044390
JM		 7418 continue;
7419
7420 wpa_s->cross_connect_enabled = 1;
7421 os_strlcpy(wpa_s->cross_connect_uplink, iface->ifname,
7422 sizeof(wpa_s->cross_connect_uplink));
7423 wpa_printf(MSG_DEBUG, "P2P: Enable cross connection from "
7424 "%s to %s whenever uplink is available",
7425 wpa_s->ifname, wpa_s->cross_connect_uplink);
7426
7427 if (iface->ap_iface || iface->current_ssid == NULL ||
7428 iface->current_ssid->mode != WPAS_MODE_INFRA ||
7429 iface->cross_connect_disallowed ||
7430 iface->wpa_state != WPA_COMPLETED)
7431 break;
7432
7433 wpa_s->cross_connect_in_use = 1;
ba307f85 7434 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
92c4465b
JM		 7435 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
7436 wpa_s->ifname, wpa_s->cross_connect_uplink);
72044390
JM		 7437 break;
7438 }
7439}
b73bf0a7
JM		 7440
7441
7442int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant *wpa_s)
7443{
7444 if (wpa_s->p2p_group_interface != P2P_GROUP_INTERFACE_CLIENT &&
7445 !wpa_s->p2p_in_provisioning)
7446 return 0; /* not P2P client operation */
7447
7448 wpa_printf(MSG_DEBUG, "P2P: Terminate connection due to WPS PBC "
7449 "session overlap");
ba307f85
LD		 7450 if (wpa_s != wpa_s->p2pdev)
7451 wpa_msg_ctrl(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_OVERLAP);
d95c5994 7452 wpas_p2p_group_formation_failed(wpa_s, 0);
b73bf0a7
JM		 7453 return 1;
7454}
b5c9da8d
JM		 7455
7456
ace0fbdb
AS		 7457void wpas_p2p_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx)
7458{
7459 struct wpa_supplicant *wpa_s = eloop_ctx;
7460 wpas_p2p_notif_pbc_overlap(wpa_s);
7461}
7462
7463
3a8f008a
IP		 7464void wpas_p2p_update_channel_list(struct wpa_supplicant *wpa_s,
7465 enum wpas_p2p_channel_update_trig trig)
b5c9da8d 7466{
51e9f228 7467 struct p2p_channels chan, cli_chan;
c2675c87
IP		 7468 struct wpa_used_freq_data *freqs = NULL;
7469 unsigned int num = wpa_s->num_multichan_concurrent;
b5c9da8d
JM		 7470
7471 if (wpa_s->global == NULL || wpa_s->global->p2p == NULL)
7472 return;
7473
c2675c87
IP		 7474 freqs = os_calloc(num, sizeof(struct wpa_used_freq_data));
7475 if (!freqs)
7476 return;
7477
7478 num = get_shared_radio_freqs_data(wpa_s, freqs, num);
7479
b5c9da8d 7480 os_memset(&chan, 0, sizeof(chan));
51e9f228
JM		 7481 os_memset(&cli_chan, 0, sizeof(cli_chan));
7482 if (wpas_p2p_setup_channels(wpa_s, &chan, &cli_chan)) {
b5c9da8d
JM		 7483 wpa_printf(MSG_ERROR, "P2P: Failed to update supported "
7484 "channel list");
7485 return;
7486 }
7487
51e9f228 7488 p2p_update_channel_list(wpa_s->global->p2p, &chan, &cli_chan);
7b42862a 7489
c2675c87 7490 wpas_p2p_optimize_listen_channel(wpa_s, freqs, num);
7b42862a 7491
c2675c87
IP		 7492 /*
7493 * The used frequencies map changed, so it is possible that a GO is
7494 * using a channel that is no longer valid for P2P use. It is also
7495 * possible that due to policy consideration, it would be preferable to
7496 * move it to a frequency already used by other station interfaces.
7497 */
3a8f008a 7498 wpas_p2p_consider_moving_gos(wpa_s, freqs, num, trig);
c2675c87
IP		 7499
7500 os_free(freqs);
b5c9da8d 7501}
59eba7a2
JM		 7502
7503
50178335
JM		 7504static void wpas_p2p_scan_res_ignore(struct wpa_supplicant *wpa_s,
7505 struct wpa_scan_results *scan_res)
7506{
7507 wpa_printf(MSG_DEBUG, "P2P: Ignore scan results");
7508}
7509
7510
59eba7a2
JM		 7511int wpas_p2p_cancel(struct wpa_supplicant *wpa_s)
7512{
7513 struct wpa_global *global = wpa_s->global;
7514 int found = 0;
231bbd03 7515 const u8 *peer;
59eba7a2 7516
9526fd29
JM		 7517 if (global->p2p == NULL)
7518 return -1;
7519
59eba7a2
JM		 7520 wpa_printf(MSG_DEBUG, "P2P: Request to cancel group formation");
7521
7522 if (wpa_s->pending_interface_name[0] &&
7523 !is_zero_ether_addr(wpa_s->pending_interface_addr))
7524 found = 1;
7525
231bbd03
SS		 7526 peer = p2p_get_go_neg_peer(global->p2p);
7527 if (peer) {
7528 wpa_printf(MSG_DEBUG, "P2P: Unauthorize pending GO Neg peer "
7529 MACSTR, MAC2STR(peer));
7530 p2p_unauthorize(global->p2p, peer);
75c208b9 7531 found = 1;
231bbd03
SS		 7532 }
7533
50178335
JM		 7534 if (wpa_s->scan_res_handler == wpas_p2p_scan_res_join) {
7535 wpa_printf(MSG_DEBUG, "P2P: Stop pending scan for join");
7536 wpa_s->scan_res_handler = wpas_p2p_scan_res_ignore;
7537 found = 1;
7538 }
7539
7540 if (wpa_s->pending_pd_before_join) {
7541 wpa_printf(MSG_DEBUG, "P2P: Stop pending PD before join");
7542 wpa_s->pending_pd_before_join = 0;
7543 found = 1;
7544 }
7545
59eba7a2
JM		 7546 wpas_p2p_stop_find(wpa_s);
7547
7548 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7549 if (wpa_s == global->p2p_group_formation &&
a0a9f3b0
JM		 7550 (wpa_s->p2p_in_provisioning ||
7551 wpa_s->parent->pending_interface_type ==
7552 WPA_IF_P2P_CLIENT)) {
59eba7a2
JM		 7553 wpa_printf(MSG_DEBUG, "P2P: Interface %s in group "
7554 "formation found - cancelling",
7555 wpa_s->ifname);
7556 found = 1;
45fee6f0 7557 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 7558 wpa_s->p2pdev, NULL);
30b80389 7559 if (wpa_s->p2p_in_provisioning) {
d95c5994 7560 wpas_group_formation_completed(wpa_s, 0, 0);
30b80389
JM		 7561 break;
7562 }
8dba4aef
JM		 7563 wpas_p2p_group_delete(wpa_s,
7564 P2P_GROUP_REMOVAL_REQUESTED);
59eba7a2 7565 break;
f05cee97
JM		 7566 } else if (wpa_s->p2p_in_invitation) {
7567 wpa_printf(MSG_DEBUG, "P2P: Interface %s in invitation found - cancelling",
7568 wpa_s->ifname);
7569 found = 1;
d95c5994 7570 wpas_p2p_group_formation_failed(wpa_s, 0);
63502c64 7571 break;
59eba7a2
JM		 7572 }
7573 }
7574
7575 if (!found) {
7576 wpa_printf(MSG_DEBUG, "P2P: No ongoing group formation found");
7577 return -1;
7578 }
7579
7580 return 0;
7581}
c973f386
JM		 7582
7583
7584void wpas_p2p_interface_unavailable(struct wpa_supplicant *wpa_s)
7585{
7586 if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group)
7587 return;
7588
7589 wpa_printf(MSG_DEBUG, "P2P: Remove group due to driver resource not "
7590 "being available anymore");
8dba4aef 7591 wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_UNAVAILABLE);
c973f386 7592}
7cfc4ac3
AGS		 7593
7594
7595void wpas_p2p_update_best_channels(struct wpa_supplicant *wpa_s,
7596 int freq_24, int freq_5, int freq_overall)
7597{
7598 struct p2p_data *p2p = wpa_s->global->p2p;
152cff6b 7599 if (p2p == NULL)
7cfc4ac3
AGS		 7600 return;
7601 p2p_set_best_channels(p2p, freq_24, freq_5, freq_overall);
7602}
9d562b79
SS		 7603
7604
7605int wpas_p2p_unauthorize(struct wpa_supplicant *wpa_s, const char *addr)
7606{
7607 u8 peer[ETH_ALEN];
7608 struct p2p_data *p2p = wpa_s->global->p2p;
7609
152cff6b 7610 if (p2p == NULL)
9d562b79
SS		 7611 return -1;
7612
7613 if (hwaddr_aton(addr, peer))
7614 return -1;
7615
7616 return p2p_unauthorize(p2p, peer);
7617}
3103f345
JB		 7618
7619
7620/**
7621 * wpas_p2p_disconnect - Disconnect from a P2P Group
7622 * @wpa_s: Pointer to wpa_supplicant data
7623 * Returns: 0 on success, -1 on failure
7624 *
7625 * This can be used to disconnect from a group in which the local end is a P2P
7626 * Client or to end a P2P Group in case the local end is the Group Owner. If a
7627 * virtual network interface was created for this group, that interface will be
7628 * removed. Otherwise, only the configured P2P group network will be removed
7629 * from the interface.
7630 */
7631int wpas_p2p_disconnect(struct wpa_supplicant *wpa_s)
7632{
7633
7634 if (wpa_s == NULL)
7635 return -1;
7636
0aadd568
JM		 7637 return wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_REQUESTED) < 0 ?
7638 -1 : 0;
3103f345 7639}
303f60d3
JM		 7640
7641
7642int wpas_p2p_in_progress(struct wpa_supplicant *wpa_s)
7643{
ec01d5f6
JM		 7644 int ret;
7645
303f60d3
JM		 7646 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
7647 return 0;
7648
ec01d5f6
JM		 7649 ret = p2p_in_progress(wpa_s->global->p2p);
7650 if (ret == 0) {
7651 /*
7652 * Check whether there is an ongoing WPS provisioning step (or
7653 * other parts of group formation) on another interface since
7654 * p2p_in_progress() does not report this to avoid issues for
7655 * scans during such provisioning step.
7656 */
7657 if (wpa_s->global->p2p_group_formation &&
7658 wpa_s->global->p2p_group_formation != wpa_s) {
7659 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Another interface (%s) "
7660 "in group formation",
7661 wpa_s->global->p2p_group_formation->ifname);
7662 ret = 1;
7663 }
7664 }
7665
c1c0b35f 7666 if (!ret && wpa_s->global->p2p_go_wait_client.sec) {
151ab808
JB		 7667 struct os_reltime now;
7668 os_get_reltime(&now);
7669 if (os_reltime_expired(&now, &wpa_s->global->p2p_go_wait_client,
7670 P2P_MAX_INITIAL_CONN_WAIT_GO)) {
c1c0b35f
JM		 7671 /* Wait for the first client has expired */
7672 wpa_s->global->p2p_go_wait_client.sec = 0;
7673 } else {
7674 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Waiting for initial client connection during group formation");
7675 ret = 1;
7676 }
7677 }
7678
ec01d5f6 7679 return ret;
303f60d3 7680}
502618f7
JM		 7681
7682
7683void wpas_p2p_network_removed(struct wpa_supplicant *wpa_s,
7684 struct wpa_ssid *ssid)
502618f7
JM		 7685{
7686 if (wpa_s->p2p_in_provisioning && ssid->p2p_group &&
7687 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 7688 wpa_s->p2pdev, NULL) > 0) {
eb6f8c2b
AC		 7689 /**
7690 * Remove the network by scheduling the group formation
7691 * timeout to happen immediately. The teardown code
7692 * needs to be scheduled to run asynch later so that we
7693 * don't delete data from under ourselves unexpectedly.
7694 * Calling wpas_p2p_group_formation_timeout directly
7695 * causes a series of crashes in WPS failure scenarios.
7696 */
502618f7
JM		 7697 wpa_printf(MSG_DEBUG, "P2P: Canceled group formation due to "
7698 "P2P group network getting removed");
eb6f8c2b 7699 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout,
ba307f85 7700 wpa_s->p2pdev, NULL);
502618f7
JM		 7701 }
7702}
87f841a1
JM		 7703
7704
7705struct wpa_ssid * wpas_p2p_get_persistent(struct wpa_supplicant *wpa_s,
c427ac92
JM		 7706 const u8 *addr, const u8 *ssid,
7707 size_t ssid_len)
87f841a1
JM		 7708{
7709 struct wpa_ssid *s;
fbdcfd57 7710 size_t i;
87f841a1
JM		 7711
7712 for (s = wpa_s->conf->ssid; s; s = s->next) {
fbdcfd57
JM		 7713 if (s->disabled != 2)
7714 continue;
c427ac92
JM		 7715 if (ssid &&
7716 (ssid_len != s->ssid_len ||
7717 os_memcmp(ssid, s->ssid, ssid_len) != 0))
7718 continue;
01a57fe4
JM		 7719 if (addr == NULL) {
7720 if (s->mode == WPAS_MODE_P2P_GO)
7721 return s;
7722 continue;
7723 }
fbdcfd57
JM		 7724 if (os_memcmp(s->bssid, addr, ETH_ALEN) == 0)
7725 return s; /* peer is GO in the persistent group */
7726 if (s->mode != WPAS_MODE_P2P_GO || s->p2p_client_list == NULL)
7727 continue;
7728 for (i = 0; i < s->num_p2p_clients; i++) {
79cd993a 7729 if (os_memcmp(s->p2p_client_list + i * 2 * ETH_ALEN,
fbdcfd57
JM		 7730 addr, ETH_ALEN) == 0)
7731 return s; /* peer is P2P client in persistent
7732 * group */
7733 }
87f841a1
JM		 7734 }
7735
7736 return NULL;
7737}
fbdcfd57
JM		 7738
7739
7740void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
7741 const u8 *addr)
7742{
eab2b50d 7743 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 7744 wpa_s->p2pdev, NULL) > 0) {
eab2b50d
JM		 7745 /*
7746 * This can happen if WPS provisioning step is not terminated
7747 * cleanly (e.g., P2P Client does not send WSC_Done). Since the
7748 * peer was able to connect, there is no need to time out group
41f85323
JM		 7749 * formation after this, though. In addition, this is used with
7750 * the initial connection wait on the GO as a separate formation
7751 * timeout and as such, expected to be hit after the initial WPS
7752 * provisioning step.
eab2b50d 7753 */
41f85323 7754 wpa_printf(MSG_DEBUG, "P2P: Canceled P2P group formation timeout on data connection");
61fc9048
SD		 7755
7756 if (!wpa_s->p2p_go_group_formation_completed &&
7757 !wpa_s->group_formation_reported) {
7758 /*
7759 * GO has not yet notified group formation success since
7760 * the WPS step was not completed cleanly. Do that
7761 * notification now since the P2P Client was able to
7762 * connect and as such, must have received the
7763 * credential from the WPS step.
7764 */
7765 if (wpa_s->global->p2p)
7766 p2p_wps_success_cb(wpa_s->global->p2p, addr);
d95c5994 7767 wpas_group_formation_completed(wpa_s, 1, 0);
61fc9048 7768 }
41f85323
JM		 7769 }
7770 if (!wpa_s->p2p_go_group_formation_completed) {
7771 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Marking group formation completed on GO on first data connection");
7772 wpa_s->p2p_go_group_formation_completed = 1;
7773 wpa_s->global->p2p_group_formation = NULL;
7774 wpa_s->p2p_in_provisioning = 0;
f05cee97 7775 wpa_s->p2p_in_invitation = 0;
eab2b50d 7776 }
c1c0b35f 7777 wpa_s->global->p2p_go_wait_client.sec = 0;
fbdcfd57
JM		 7778 if (addr == NULL)
7779 return;
7780 wpas_p2p_add_persistent_group_client(wpa_s, addr);
7781}
aa9bb764
JM		 7782
7783
b0e669be
JM		 7784static int wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s,
7785 int group_added)
aa9bb764
JM		 7786{
7787 struct wpa_supplicant *group = wpa_s;
b0e669be
JM		 7788 int ret = 0;
7789
aa9bb764
JM		 7790 if (wpa_s->global->p2p_group_formation)
7791 group = wpa_s->global->p2p_group_formation;
de7b02fd 7792 wpa_s = wpa_s->global->p2p_init_wpa_s;
b80eb89d 7793 offchannel_send_action_done(wpa_s);
aa9bb764 7794 if (group_added)
b0e669be 7795 ret = wpas_p2p_group_delete(group, P2P_GROUP_REMOVAL_SILENT);
aa9bb764
JM		 7796 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Fall back to GO Negotiation");
7797 wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr, wpa_s->p2p_pin,
7798 wpa_s->p2p_wps_method, wpa_s->p2p_persistent_group, 0,
7799 0, 0, wpa_s->p2p_go_intent, wpa_s->p2p_connect_freq,
c27f4c90 7800 wpa_s->p2p_go_vht_center_freq2,
3bc462cb 7801 wpa_s->p2p_persistent_id,
e2308e4b 7802 wpa_s->p2p_pd_before_go_neg,
20ea1ca4 7803 wpa_s->p2p_go_ht40,
c27f4c90 7804 wpa_s->p2p_go_vht,
70e0cb33 7805 wpa_s->p2p_go_max_oper_chwidth, NULL, 0);
b0e669be 7806 return ret;
aa9bb764
JM		 7807}
7808
7809
7810int wpas_p2p_scan_no_go_seen(struct wpa_supplicant *wpa_s)
7811{
b0e669be
JM		 7812 int res;
7813
aa9bb764
JM		 7814 if (!wpa_s->p2p_fallback_to_go_neg ||
7815 wpa_s->p2p_in_provisioning <= 5)
7816 return 0;
7817
b80eb89d
JM		 7818 if (wpas_p2p_peer_go(wpa_s, wpa_s->pending_join_dev_addr) > 0)
7819 return 0; /* peer operating as a GO */
7820
aa9bb764
JM		 7821 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: GO not found for p2p_connect-auto - "
7822 "fallback to GO Negotiation");
ba307f85 7823 wpa_msg_global(wpa_s->p2pdev, MSG_INFO, P2P_EVENT_FALLBACK_TO_GO_NEG
6b005121 7824 "reason=GO-not-found");
b0e669be 7825 res = wpas_p2p_fallback_to_go_neg(wpa_s, 1);
aa9bb764 7826
b0e669be 7827 return res == 1 ? 2 : 1;
aa9bb764 7828}
05a77b3b
JM		 7829
7830
7831unsigned int wpas_p2p_search_delay(struct wpa_supplicant *wpa_s)
7832{
05a77b3b
JM		 7833 struct wpa_supplicant *ifs;
7834
7835 if (wpa_s->wpa_state > WPA_SCANNING) {
7836 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search delay due to "
7837 "concurrent operation",
d3b20469
NS		 7838 wpa_s->conf->p2p_search_delay);
7839 return wpa_s->conf->p2p_search_delay;
05a77b3b
JM		 7840 }
7841
5b81927d
JM		 7842 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
7843 radio_list) {
7844 if (ifs != wpa_s && ifs->wpa_state > WPA_SCANNING) {
05a77b3b
JM		 7845 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search "
7846 "delay due to concurrent operation on "
7847 "interface %s",
d3b20469
NS		 7848 wpa_s->conf->p2p_search_delay,
7849 ifs->ifname);
7850 return wpa_s->conf->p2p_search_delay;
05a77b3b
JM		 7851 }
7852 }
7853
7854 return 0;
7855}
f85f545e
JM		 7856
7857
43c693c2
JM		 7858static int wpas_p2p_remove_psk_entry(struct wpa_supplicant *wpa_s,
7859 struct wpa_ssid *s, const u8 *addr,
7860 int iface_addr)
7861{
7862 struct psk_list_entry *psk, *tmp;
7863 int changed = 0;
7864
7865 dl_list_for_each_safe(psk, tmp, &s->psk_list, struct psk_list_entry,
7866 list) {
7867 if ((iface_addr && !psk->p2p &&
7868 os_memcmp(addr, psk->addr, ETH_ALEN) == 0) ||
7869 (!iface_addr && psk->p2p &&
7870 os_memcmp(addr, psk->addr, ETH_ALEN) == 0)) {
7871 wpa_dbg(wpa_s, MSG_DEBUG,
7872 "P2P: Remove persistent group PSK list entry for "
7873 MACSTR " p2p=%u",
7874 MAC2STR(psk->addr), psk->p2p);
7875 dl_list_del(&psk->list);
7876 os_free(psk);
7877 changed++;
7878 }
7879 }
7880
7881 return changed;
7882}
7883
7884
01a57fe4
JM		 7885void wpas_p2p_new_psk_cb(struct wpa_supplicant *wpa_s, const u8 *mac_addr,
7886 const u8 *p2p_dev_addr,
7887 const u8 *psk, size_t psk_len)
7888{
7889 struct wpa_ssid *ssid = wpa_s->current_ssid;
7890 struct wpa_ssid *persistent;
0bceb8d6 7891 struct psk_list_entry *p, *last;
01a57fe4
JM		 7892
7893 if (psk_len != sizeof(p->psk))
7894 return;
7895
7896 if (p2p_dev_addr) {
7897 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New PSK for addr=" MACSTR
7898 " p2p_dev_addr=" MACSTR,
7899 MAC2STR(mac_addr), MAC2STR(p2p_dev_addr));
7900 if (is_zero_ether_addr(p2p_dev_addr))
7901 p2p_dev_addr = NULL;
7902 } else {
7903 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New PSK for addr=" MACSTR,
7904 MAC2STR(mac_addr));
7905 }
7906
7907 if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
7908 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: new_psk_cb during group formation");
7909 /* To be added to persistent group once created */
7910 if (wpa_s->global->add_psk == NULL) {
7911 wpa_s->global->add_psk = os_zalloc(sizeof(*p));
7912 if (wpa_s->global->add_psk == NULL)
7913 return;
7914 }
7915 p = wpa_s->global->add_psk;
7916 if (p2p_dev_addr) {
7917 p->p2p = 1;
7918 os_memcpy(p->addr, p2p_dev_addr, ETH_ALEN);
7919 } else {
7920 p->p2p = 0;
7921 os_memcpy(p->addr, mac_addr, ETH_ALEN);
7922 }
7923 os_memcpy(p->psk, psk, psk_len);
7924 return;
7925 }
7926
7927 if (ssid->mode != WPAS_MODE_P2P_GO || !ssid->p2p_persistent_group) {
7928 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Ignore new_psk_cb on not-persistent GO");
7929 return;
7930 }
7931
ba307f85 7932 persistent = wpas_p2p_get_persistent(wpa_s->p2pdev, NULL, ssid->ssid,
01a57fe4
JM		 7933 ssid->ssid_len);
7934 if (!persistent) {
7935 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not find persistent group information to store the new PSK");
7936 return;
7937 }
7938
7939 p = os_zalloc(sizeof(*p));
7940 if (p == NULL)
7941 return;
7942 if (p2p_dev_addr) {
7943 p->p2p = 1;
7944 os_memcpy(p->addr, p2p_dev_addr, ETH_ALEN);
7945 } else {
7946 p->p2p = 0;
7947 os_memcpy(p->addr, mac_addr, ETH_ALEN);
7948 }
7949 os_memcpy(p->psk, psk, psk_len);
7950
0bceb8d6
JM		 7951 if (dl_list_len(&persistent->psk_list) > P2P_MAX_STORED_CLIENTS &&
7952 (last = dl_list_last(&persistent->psk_list,
7953 struct psk_list_entry, list))) {
01a57fe4
JM		 7954 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove oldest PSK entry for "
7955 MACSTR " (p2p=%u) to make room for a new one",
7956 MAC2STR(last->addr), last->p2p);
7957 dl_list_del(&last->list);
7958 os_free(last);
7959 }
7960
ba307f85 7961 wpas_p2p_remove_psk_entry(wpa_s->p2pdev, persistent,
43c693c2
JM		 7962 p2p_dev_addr ? p2p_dev_addr : mac_addr,
7963 p2p_dev_addr == NULL);
7964 if (p2p_dev_addr) {
7965 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Add new PSK for p2p_dev_addr="
7966 MACSTR, MAC2STR(p2p_dev_addr));
7967 } else {
7968 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Add new PSK for addr=" MACSTR,
7969 MAC2STR(mac_addr));
7970 }
01a57fe4
JM		 7971 dl_list_add(&persistent->psk_list, &p->list);
7972
ba307f85
LD		 7973 if (wpa_s->p2pdev->conf->update_config &&
7974 wpa_config_write(wpa_s->p2pdev->confname, wpa_s->p2pdev->conf))
01a57fe4 7975 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
01a57fe4 7976}
f2c56602
JM		 7977
7978
7979static void wpas_p2p_remove_psk(struct wpa_supplicant *wpa_s,
7980 struct wpa_ssid *s, const u8 *addr,
7981 int iface_addr)
7982{
43c693c2 7983 int res;
f2c56602 7984
43c693c2 7985 res = wpas_p2p_remove_psk_entry(wpa_s, s, addr, iface_addr);
2a33687e
JM		 7986 if (res > 0 && wpa_s->conf->update_config &&
7987 wpa_config_write(wpa_s->confname, wpa_s->conf))
7988 wpa_dbg(wpa_s, MSG_DEBUG,
7989 "P2P: Failed to update configuration");
f2c56602
JM		 7990}
7991
7992
7993static void wpas_p2p_remove_client_go(struct wpa_supplicant *wpa_s,
7994 const u8 *peer, int iface_addr)
7995{
7996 struct hostapd_data *hapd;
7997 struct hostapd_wpa_psk *psk, *prev, *rem;
7998 struct sta_info *sta;
7999
8000 if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL ||
8001 wpa_s->current_ssid->mode != WPAS_MODE_P2P_GO)
8002 return;
8003
8004 /* Remove per-station PSK entry */
8005 hapd = wpa_s->ap_iface->bss[0];
8006 prev = NULL;
8007 psk = hapd->conf->ssid.wpa_psk;
8008 while (psk) {
8009 if ((iface_addr && os_memcmp(peer, psk->addr, ETH_ALEN) == 0) ||
8010 (!iface_addr &&
8011 os_memcmp(peer, psk->p2p_dev_addr, ETH_ALEN) == 0)) {
8012 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove operating group PSK entry for "
8013 MACSTR " iface_addr=%d",
8014 MAC2STR(peer), iface_addr);
8015 if (prev)
8016 prev->next = psk->next;
8017 else
8018 hapd->conf->ssid.wpa_psk = psk->next;
8019 rem = psk;
8020 psk = psk->next;
8021 os_free(rem);
8022 } else {
8023 prev = psk;
8024 psk = psk->next;
8025 }
8026 }
8027
8028 /* Disconnect from group */
8029 if (iface_addr)
8030 sta = ap_get_sta(hapd, peer);
8031 else
8032 sta = ap_get_sta_p2p(hapd, peer);
8033 if (sta) {
8034 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Disconnect peer " MACSTR
8035 " (iface_addr=%d) from group",
8036 MAC2STR(peer), iface_addr);
8037 hostapd_drv_sta_deauth(hapd, sta->addr,
8038 WLAN_REASON_DEAUTH_LEAVING);
8039 ap_sta_deauthenticate(hapd, sta, WLAN_REASON_DEAUTH_LEAVING);
8040 }
8041}
8042
8043
8044void wpas_p2p_remove_client(struct wpa_supplicant *wpa_s, const u8 *peer,
8045 int iface_addr)
8046{
8047 struct wpa_ssid *s;
8048 struct wpa_supplicant *w;
43677494 8049 struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s;
f2c56602
JM		 8050
8051 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove client " MACSTR, MAC2STR(peer));
8052
8053 /* Remove from any persistent group */
43677494 8054 for (s = p2p_wpa_s->conf->ssid; s; s = s->next) {
f2c56602
JM		 8055 if (s->disabled != 2 || s->mode != WPAS_MODE_P2P_GO)
8056 continue;
8057 if (!iface_addr)
43677494
BR		 8058 wpas_remove_persistent_peer(p2p_wpa_s, s, peer, 0);
8059 wpas_p2p_remove_psk(p2p_wpa_s, s, peer, iface_addr);
f2c56602
JM		 8060 }
8061
8062 /* Remove from any operating group */
8063 for (w = wpa_s->global->ifaces; w; w = w->next)
8064 wpas_p2p_remove_client_go(w, peer, iface_addr);
8065}
5bf9a6c8
JM		 8066
8067
813e7b36
JM		 8068static void wpas_p2p_psk_failure_removal(void *eloop_ctx, void *timeout_ctx)
8069{
8070 struct wpa_supplicant *wpa_s = eloop_ctx;
8071 wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_PSK_FAILURE);
8072}
8073
8074
8567866d
JJ		 8075static void wpas_p2p_group_freq_conflict(void *eloop_ctx, void *timeout_ctx)
8076{
8077 struct wpa_supplicant *wpa_s = eloop_ctx;
8078
8079 wpa_printf(MSG_DEBUG, "P2P: Frequency conflict - terminate group");
8080 wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_FREQ_CONFLICT);
8081}
8082
8083
8084int wpas_p2p_handle_frequency_conflicts(struct wpa_supplicant *wpa_s, int freq,
8085 struct wpa_ssid *ssid)
8086{
8087 struct wpa_supplicant *iface;
8088
8089 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
8090 if (!iface->current_ssid ||
8091 iface->current_ssid->frequency == freq ||
8092 (iface->p2p_group_interface == NOT_P2P_GROUP_INTERFACE &&
8093 !iface->current_ssid->p2p_group))
8094 continue;
8095
8096 /* Remove the connection with least priority */
8097 if (!wpas_is_p2p_prioritized(iface)) {
8098 /* STA connection has priority over existing
8099 * P2P connection, so remove the interface. */
8100 wpa_printf(MSG_DEBUG, "P2P: Removing P2P connection due to single channel concurrent mode frequency conflict");
8101 eloop_register_timeout(0, 0,
8102 wpas_p2p_group_freq_conflict,
8103 iface, NULL);
8104 /* If connection in progress is P2P connection, do not
8105 * proceed for the connection. */
8106 if (wpa_s == iface)
8107 return -1;
8108 else
8109 return 0;
8110 } else {
8111 /* P2P connection has priority, disable the STA network
8112 */
8113 wpa_supplicant_disable_network(wpa_s->global->ifaces,
8114 ssid);
8115 wpa_msg(wpa_s->global->ifaces, MSG_INFO,
8116 WPA_EVENT_FREQ_CONFLICT " id=%d", ssid->id);
8117 os_memset(wpa_s->global->ifaces->pending_bssid, 0,
8118 ETH_ALEN);
8119 /* If P2P connection is in progress, continue
8120 * connecting...*/
8121 if (wpa_s == iface)
8122 return 0;
8123 else
8124 return -1;
8125 }
8126 }
8127
8128 return 0;
8129}
8130
8131
5bf9a6c8
JM		 8132int wpas_p2p_4way_hs_failed(struct wpa_supplicant *wpa_s)
8133{
8134 struct wpa_ssid *ssid = wpa_s->current_ssid;
8135
8136 if (ssid == NULL || !ssid->p2p_group)
8137 return 0;
8138
8139 if (wpa_s->p2p_last_4way_hs_fail &&
8140 wpa_s->p2p_last_4way_hs_fail == ssid) {
8141 u8 go_dev_addr[ETH_ALEN];
8142 struct wpa_ssid *persistent;
8143
8144 if (wpas_p2p_persistent_group(wpa_s, go_dev_addr,
8145 ssid->ssid,
8146 ssid->ssid_len) <= 0) {
8147 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not determine whether 4-way handshake failures were for a persistent group");
8148 goto disconnect;
8149 }
8150
8151 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Two 4-way handshake failures for a P2P group - go_dev_addr="
8152 MACSTR, MAC2STR(go_dev_addr));
ba307f85 8153 persistent = wpas_p2p_get_persistent(wpa_s->p2pdev, go_dev_addr,
5bf9a6c8
JM		 8154 ssid->ssid,
8155 ssid->ssid_len);
8156 if (persistent == NULL || persistent->mode != WPAS_MODE_INFRA) {
8157 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No matching persistent group stored");
8158 goto disconnect;
8159 }
ba307f85 8160 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
5bf9a6c8
JM		 8161 P2P_EVENT_PERSISTENT_PSK_FAIL "%d",
8162 persistent->id);
8163 disconnect:
8164 wpa_s->p2p_last_4way_hs_fail = NULL;
813e7b36
JM		 8165 /*
8166 * Remove the group from a timeout to avoid issues with caller
8167 * continuing to use the interface if this is on a P2P group
8168 * interface.
8169 */
8170 eloop_register_timeout(0, 0, wpas_p2p_psk_failure_removal,
8171 wpa_s, NULL);
5bf9a6c8
JM		 8172 return 1;
8173 }
8174
8175 wpa_s->p2p_last_4way_hs_fail = ssid;
8176 return 0;
8177}
93588780
JM		 8178
8179
8180#ifdef CONFIG_WPS_NFC
8181
8182static struct wpabuf * wpas_p2p_nfc_handover(int ndef, struct wpabuf *wsc,
8183 struct wpabuf *p2p)
8184{
8185 struct wpabuf *ret;
59b45d1a 8186 size_t wsc_len;
93588780
JM		 8187
8188 if (p2p == NULL) {
8189 wpabuf_free(wsc);
8190 wpa_printf(MSG_DEBUG, "P2P: No p2p buffer for handover");
8191 return NULL;
8192 }
8193
59b45d1a
JM		 8194 wsc_len = wsc ? wpabuf_len(wsc) : 0;
8195 ret = wpabuf_alloc(2 + wsc_len + 2 + wpabuf_len(p2p));
93588780
JM		 8196 if (ret == NULL) {
8197 wpabuf_free(wsc);
8198 wpabuf_free(p2p);
8199 return NULL;
8200 }
8201
59b45d1a
JM		 8202 wpabuf_put_be16(ret, wsc_len);
8203 if (wsc)
8204 wpabuf_put_buf(ret, wsc);
93588780
JM		 8205 wpabuf_put_be16(ret, wpabuf_len(p2p));
8206 wpabuf_put_buf(ret, p2p);
8207
8208 wpabuf_free(wsc);
8209 wpabuf_free(p2p);
8210 wpa_hexdump_buf(MSG_DEBUG,
8211 "P2P: Generated NFC connection handover message", ret);
8212
8213 if (ndef && ret) {
8214 struct wpabuf *tmp;
8215 tmp = ndef_build_p2p(ret);
8216 wpabuf_free(ret);
8217 if (tmp == NULL) {
8218 wpa_printf(MSG_DEBUG, "P2P: Failed to NDEF encapsulate handover request");
8219 return NULL;
8220 }
8221 ret = tmp;
8222 }
8223
8224 return ret;
8225}
8226
8227
abe44e3c
JM		 8228static int wpas_p2p_cli_freq(struct wpa_supplicant *wpa_s,
8229 struct wpa_ssid **ssid, u8 *go_dev_addr)
59b45d1a
JM		 8230{
8231 struct wpa_supplicant *iface;
8232
abe44e3c
JM		 8233 if (go_dev_addr)
8234 os_memset(go_dev_addr, 0, ETH_ALEN);
8235 if (ssid)
8236 *ssid = NULL;
59b45d1a
JM		 8237 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
8238 if (iface->wpa_state < WPA_ASSOCIATING ||
8239 iface->current_ssid == NULL || iface->assoc_freq == 0 ||
8240 !iface->current_ssid->p2p_group ||
8241 iface->current_ssid->mode != WPAS_MODE_INFRA)
8242 continue;
abe44e3c
JM		 8243 if (ssid)
8244 *ssid = iface->current_ssid;
8245 if (go_dev_addr)
8246 os_memcpy(go_dev_addr, iface->go_dev_addr, ETH_ALEN);
59b45d1a
JM		 8247 return iface->assoc_freq;
8248 }
8249 return 0;
8250}
8251
8252
93588780
JM		 8253struct wpabuf * wpas_p2p_nfc_handover_req(struct wpa_supplicant *wpa_s,
8254 int ndef)
8255{
8256 struct wpabuf *wsc, *p2p;
abe44e3c
JM		 8257 struct wpa_ssid *ssid;
8258 u8 go_dev_addr[ETH_ALEN];
8259 int cli_freq = wpas_p2p_cli_freq(wpa_s, &ssid, go_dev_addr);
93588780
JM		 8260
8261 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) {
8262 wpa_printf(MSG_DEBUG, "P2P: P2P disabled - cannot build handover request");
8263 return NULL;
8264 }
8265
8266 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL &&
8267 wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
8268 &wpa_s->conf->wps_nfc_dh_privkey) < 0) {
8269 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No DH key available for handover request");
8270 return NULL;
8271 }
8272
59b45d1a
JM		 8273 if (cli_freq == 0) {
8274 wsc = wps_build_nfc_handover_req_p2p(
8275 wpa_s->parent->wps, wpa_s->conf->wps_nfc_dh_pubkey);
8276 } else
8277 wsc = NULL;
abe44e3c
JM		 8278 p2p = p2p_build_nfc_handover_req(wpa_s->global->p2p, cli_freq,
8279 go_dev_addr, ssid ? ssid->ssid : NULL,
8280 ssid ? ssid->ssid_len : 0);
93588780
JM		 8281
8282 return wpas_p2p_nfc_handover(ndef, wsc, p2p);
8283}
8284
8285
8286struct wpabuf * wpas_p2p_nfc_handover_sel(struct wpa_supplicant *wpa_s,
8287 int ndef, int tag)
8288{
8289 struct wpabuf *wsc, *p2p;
abe44e3c
JM		 8290 struct wpa_ssid *ssid;
8291 u8 go_dev_addr[ETH_ALEN];
8292 int cli_freq = wpas_p2p_cli_freq(wpa_s, &ssid, go_dev_addr);
93588780
JM		 8293
8294 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
8295 return NULL;
8296
8297 if (!tag && wpa_s->conf->wps_nfc_dh_pubkey == NULL &&
8298 wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
8299 &wpa_s->conf->wps_nfc_dh_privkey) < 0)
8300 return NULL;
8301
59b45d1a
JM		 8302 if (cli_freq == 0) {
8303 wsc = wps_build_nfc_handover_sel_p2p(
8304 wpa_s->parent->wps,
8305 tag ? wpa_s->conf->wps_nfc_dev_pw_id :
8306 DEV_PW_NFC_CONNECTION_HANDOVER,
8307 wpa_s->conf->wps_nfc_dh_pubkey,
8308 tag ? wpa_s->conf->wps_nfc_dev_pw : NULL);
8309 } else
8310 wsc = NULL;
abe44e3c
JM		 8311 p2p = p2p_build_nfc_handover_sel(wpa_s->global->p2p, cli_freq,
8312 go_dev_addr, ssid ? ssid->ssid : NULL,
8313 ssid ? ssid->ssid_len : 0);
93588780
JM		 8314
8315 return wpas_p2p_nfc_handover(ndef, wsc, p2p);
8316}
8317
db6ae69e
JM		 8318
8319static int wpas_p2p_nfc_join_group(struct wpa_supplicant *wpa_s,
8320 struct p2p_nfc_params *params)
8321{
8322 wpa_printf(MSG_DEBUG, "P2P: Initiate join-group based on NFC "
23318bea
JM		 8323 "connection handover (freq=%d)",
8324 params->go_freq);
8325
8326 if (params->go_freq && params->go_ssid_len) {
8327 wpa_s->p2p_wps_method = WPS_NFC;
8328 wpa_s->pending_join_wps_method = WPS_NFC;
8329 os_memset(wpa_s->pending_join_iface_addr, 0, ETH_ALEN);
8330 os_memcpy(wpa_s->pending_join_dev_addr, params->go_dev_addr,
8331 ETH_ALEN);
8332 return wpas_p2p_join_start(wpa_s, params->go_freq,
8333 params->go_ssid,
8334 params->go_ssid_len);
8335 }
8336
db6ae69e
JM		 8337 return wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL,
8338 WPS_NFC, 0, 0, 1, 0, wpa_s->conf->p2p_go_intent,
c27f4c90 8339 params->go_freq, wpa_s->p2p_go_vht_center_freq2,
70e0cb33
JM		 8340 -1, 0, 1, 1, wpa_s->p2p_go_max_oper_chwidth,
8341 params->go_ssid_len ? params->go_ssid : NULL,
8342 params->go_ssid_len);
db6ae69e
JM		 8343}
8344
8345
8346static int wpas_p2p_nfc_auth_join(struct wpa_supplicant *wpa_s,
8e9f53c3 8347 struct p2p_nfc_params *params, int tag)
db6ae69e 8348{
8e9f53c3
JM		 8349 int res, persistent;
8350 struct wpa_ssid *ssid;
8351
db6ae69e
JM		 8352 wpa_printf(MSG_DEBUG, "P2P: Authorize join-group based on NFC "
8353 "connection handover");
8354 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8e9f53c3 8355 ssid = wpa_s->current_ssid;
db6ae69e
JM		 8356 if (ssid == NULL)
8357 continue;
8358 if (ssid->mode != WPAS_MODE_P2P_GO)
8359 continue;
8360 if (wpa_s->ap_iface == NULL)
8361 continue;
8362 break;
8363 }
8364 if (wpa_s == NULL) {
8365 wpa_printf(MSG_DEBUG, "P2P: Could not find GO interface");
8366 return -1;
8367 }
8368
8369 if (wpa_s->parent->p2p_oob_dev_pw_id !=
8370 DEV_PW_NFC_CONNECTION_HANDOVER &&
8371 !wpa_s->parent->p2p_oob_dev_pw) {
8372 wpa_printf(MSG_DEBUG, "P2P: No NFC Dev Pw known");
8373 return -1;
8374 }
8e9f53c3 8375 res = wpas_ap_wps_add_nfc_pw(
db6ae69e
JM		 8376 wpa_s, wpa_s->parent->p2p_oob_dev_pw_id,
8377 wpa_s->parent->p2p_oob_dev_pw,
8378 wpa_s->parent->p2p_peer_oob_pk_hash_known ?
8379 wpa_s->parent->p2p_peer_oob_pubkey_hash : NULL);
8e9f53c3
JM		 8380 if (res)
8381 return res;
8382
8383 if (!tag) {
8384 wpa_printf(MSG_DEBUG, "P2P: Negotiated handover - wait for peer to join without invitation");
8385 return 0;
8386 }
8387
8388 if (!params->peer ||
8389 !(params->peer->dev_capab & P2P_DEV_CAPAB_INVITATION_PROCEDURE))
8390 return 0;
8391
8392 wpa_printf(MSG_DEBUG, "P2P: Static handover - invite peer " MACSTR
8393 " to join", MAC2STR(params->peer->p2p_device_addr));
8394
8395 wpa_s->global->p2p_invite_group = wpa_s;
8396 persistent = ssid->p2p_persistent_group &&
8397 wpas_p2p_get_persistent(wpa_s->parent,
8398 params->peer->p2p_device_addr,
8399 ssid->ssid, ssid->ssid_len);
8400 wpa_s->parent->pending_invite_ssid_id = -1;
8401
8402 return p2p_invite(wpa_s->global->p2p, params->peer->p2p_device_addr,
8403 P2P_INVITE_ROLE_ACTIVE_GO, wpa_s->own_addr,
8404 ssid->ssid, ssid->ssid_len, ssid->frequency,
8405 wpa_s->global->p2p_dev_addr, persistent, 0,
8406 wpa_s->parent->p2p_oob_dev_pw_id);
db6ae69e
JM		 8407}
8408
8409
8410static int wpas_p2p_nfc_init_go_neg(struct wpa_supplicant *wpa_s,
b56f6c88
JM		 8411 struct p2p_nfc_params *params,
8412 int forced_freq)
db6ae69e
JM		 8413{
8414 wpa_printf(MSG_DEBUG, "P2P: Initiate GO Negotiation based on NFC "
8415 "connection handover");
8416 return wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL,
8417 WPS_NFC, 0, 0, 0, 0, wpa_s->conf->p2p_go_intent,
c27f4c90 8418 forced_freq, wpa_s->p2p_go_vht_center_freq2,
70e0cb33
JM		 8419 -1, 0, 1, 1, wpa_s->p2p_go_max_oper_chwidth,
8420 NULL, 0);
db6ae69e
JM		 8421}
8422
8423
8424static int wpas_p2p_nfc_resp_go_neg(struct wpa_supplicant *wpa_s,
b56f6c88
JM		 8425 struct p2p_nfc_params *params,
8426 int forced_freq)
db6ae69e
JM		 8427{
8428 int res;
8429
8430 wpa_printf(MSG_DEBUG, "P2P: Authorize GO Negotiation based on NFC "
8431 "connection handover");
8432 res = wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL,
8433 WPS_NFC, 0, 0, 0, 1, wpa_s->conf->p2p_go_intent,
c27f4c90 8434 forced_freq, wpa_s->p2p_go_vht_center_freq2,
70e0cb33
JM		 8435 -1, 0, 1, 1, wpa_s->p2p_go_max_oper_chwidth,
8436 NULL, 0);
db6ae69e
JM		 8437 if (res)
8438 return res;
8439
8440 res = wpas_p2p_listen(wpa_s, 60);
8441 if (res) {
8442 p2p_unauthorize(wpa_s->global->p2p,
8443 params->peer->p2p_device_addr);
8444 }
8445
8446 return res;
8447}
8448
8449
8450static int wpas_p2p_nfc_connection_handover(struct wpa_supplicant *wpa_s,
8451 const struct wpabuf *data,
b56f6c88 8452 int sel, int tag, int forced_freq)
db6ae69e
JM		 8453{
8454 const u8 *pos, *end;
8455 u16 len, id;
8456 struct p2p_nfc_params params;
8457 int res;
8458
8459 os_memset(&params, 0, sizeof(params));
8460 params.sel = sel;
8461
8462 wpa_hexdump_buf(MSG_DEBUG, "P2P: Received NFC tag payload", data);
8463
8464 pos = wpabuf_head(data);
8465 end = pos + wpabuf_len(data);
8466
8467 if (end - pos < 2) {
8468 wpa_printf(MSG_DEBUG, "P2P: Not enough data for Length of WSC "
8469 "attributes");
8470 return -1;
8471 }
8472 len = WPA_GET_BE16(pos);
8473 pos += 2;
c061ae59 8474 if (len > end - pos) {
db6ae69e
JM		 8475 wpa_printf(MSG_DEBUG, "P2P: Not enough data for WSC "
8476 "attributes");
8477 return -1;
8478 }
8479 params.wsc_attr = pos;
8480 params.wsc_len = len;
8481 pos += len;
8482
8483 if (end - pos < 2) {
8484 wpa_printf(MSG_DEBUG, "P2P: Not enough data for Length of P2P "
8485 "attributes");
8486 return -1;
8487 }
8488 len = WPA_GET_BE16(pos);
8489 pos += 2;
c061ae59 8490 if (len > end - pos) {
db6ae69e
JM		 8491 wpa_printf(MSG_DEBUG, "P2P: Not enough data for P2P "
8492 "attributes");
8493 return -1;
8494 }
8495 params.p2p_attr = pos;
8496 params.p2p_len = len;
8497 pos += len;
8498
8499 wpa_hexdump(MSG_DEBUG, "P2P: WSC attributes",
8500 params.wsc_attr, params.wsc_len);
8501 wpa_hexdump(MSG_DEBUG, "P2P: P2P attributes",
8502 params.p2p_attr, params.p2p_len);
8503 if (pos < end) {
8504 wpa_hexdump(MSG_DEBUG,
8505 "P2P: Ignored extra data after P2P attributes",
8506 pos, end - pos);
8507 }
8508
8509 res = p2p_process_nfc_connection_handover(wpa_s->global->p2p, &params);
8510 if (res)
8511 return res;
8512
74df9ecd
JM		 8513 if (params.next_step == NO_ACTION)
8514 return 0;
8515
8516 if (params.next_step == BOTH_GO) {
8517 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_BOTH_GO "peer=" MACSTR,
8518 MAC2STR(params.peer->p2p_device_addr));
8519 return 0;
8520 }
8521
59b45d1a 8522 if (params.next_step == PEER_CLIENT) {
abe44e3c
JM		 8523 if (!is_zero_ether_addr(params.go_dev_addr)) {
8524 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_PEER_CLIENT
8525 "peer=" MACSTR " freq=%d go_dev_addr=" MACSTR
8526 " ssid=\"%s\"",
8527 MAC2STR(params.peer->p2p_device_addr),
8528 params.go_freq,
8529 MAC2STR(params.go_dev_addr),
8530 wpa_ssid_txt(params.go_ssid,
8531 params.go_ssid_len));
8532 } else {
8533 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_PEER_CLIENT
8534 "peer=" MACSTR " freq=%d",
8535 MAC2STR(params.peer->p2p_device_addr),
8536 params.go_freq);
8537 }
59b45d1a
JM		 8538 return 0;
8539 }
8540
abe44e3c 8541 if (wpas_p2p_cli_freq(wpa_s, NULL, NULL)) {
59b45d1a
JM		 8542 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_WHILE_CLIENT "peer="
8543 MACSTR, MAC2STR(params.peer->p2p_device_addr));
8544 return 0;
8545 }
8546
db6ae69e
JM		 8547 wpabuf_free(wpa_s->p2p_oob_dev_pw);
8548 wpa_s->p2p_oob_dev_pw = NULL;
8549
8550 if (params.oob_dev_pw_len < WPS_OOB_PUBKEY_HASH_LEN + 2) {
8551 wpa_printf(MSG_DEBUG, "P2P: No peer OOB Dev Pw "
8552 "received");
8553 return -1;
8554 }
8555
8556 id = WPA_GET_BE16(params.oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN);
8557 wpa_printf(MSG_DEBUG, "P2P: Peer OOB Dev Pw %u", id);
8558 wpa_hexdump(MSG_DEBUG, "P2P: Peer OOB Public Key hash",
8559 params.oob_dev_pw, WPS_OOB_PUBKEY_HASH_LEN);
8560 os_memcpy(wpa_s->p2p_peer_oob_pubkey_hash,
8561 params.oob_dev_pw, WPS_OOB_PUBKEY_HASH_LEN);
8562 wpa_s->p2p_peer_oob_pk_hash_known = 1;
8563
8564 if (tag) {
8565 if (id < 0x10) {
8566 wpa_printf(MSG_DEBUG, "P2P: Static handover - invalid "
8567 "peer OOB Device Password Id %u", id);
8568 return -1;
8569 }
8570 wpa_printf(MSG_DEBUG, "P2P: Static handover - use peer OOB "
8571 "Device Password Id %u", id);
8572 wpa_hexdump_key(MSG_DEBUG, "P2P: Peer OOB Device Password",
8573 params.oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN + 2,
8574 params.oob_dev_pw_len -
8575 WPS_OOB_PUBKEY_HASH_LEN - 2);
8576 wpa_s->p2p_oob_dev_pw_id = id;
8577 wpa_s->p2p_oob_dev_pw = wpabuf_alloc_copy(
8578 params.oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN + 2,
8579 params.oob_dev_pw_len -
8580 WPS_OOB_PUBKEY_HASH_LEN - 2);
8581 if (wpa_s->p2p_oob_dev_pw == NULL)
8582 return -1;
8583
8584 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL &&
8585 wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
8586 &wpa_s->conf->wps_nfc_dh_privkey) < 0)
8587 return -1;
8588 } else {
8589 wpa_printf(MSG_DEBUG, "P2P: Using abbreviated WPS handshake "
8590 "without Device Password");
8591 wpa_s->p2p_oob_dev_pw_id = DEV_PW_NFC_CONNECTION_HANDOVER;
8592 }
8593
8594 switch (params.next_step) {
8595 case NO_ACTION:
74df9ecd 8596 case BOTH_GO:
59b45d1a 8597 case PEER_CLIENT:
74df9ecd 8598 /* already covered above */
db6ae69e
JM		 8599 return 0;
8600 case JOIN_GROUP:
8601 return wpas_p2p_nfc_join_group(wpa_s, &params);
8602 case AUTH_JOIN:
8e9f53c3 8603 return wpas_p2p_nfc_auth_join(wpa_s, &params, tag);
db6ae69e 8604 case INIT_GO_NEG:
b56f6c88 8605 return wpas_p2p_nfc_init_go_neg(wpa_s, &params, forced_freq);
db6ae69e
JM		 8606 case RESP_GO_NEG:
8607 /* TODO: use own OOB Dev Pw */
b56f6c88 8608 return wpas_p2p_nfc_resp_go_neg(wpa_s, &params, forced_freq);
db6ae69e
JM		 8609 }
8610
8611 return -1;
8612}
8613
8614
dd37a938 8615int wpas_p2p_nfc_tag_process(struct wpa_supplicant *wpa_s,
b56f6c88 8616 const struct wpabuf *data, int forced_freq)
dd37a938
JM		 8617{
8618 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
8619 return -1;
8620
b56f6c88 8621 return wpas_p2p_nfc_connection_handover(wpa_s, data, 1, 1, forced_freq);
dd37a938
JM		 8622}
8623
8624
db6ae69e
JM		 8625int wpas_p2p_nfc_report_handover(struct wpa_supplicant *wpa_s, int init,
8626 const struct wpabuf *req,
b56f6c88 8627 const struct wpabuf *sel, int forced_freq)
db6ae69e
JM		 8628{
8629 struct wpabuf *tmp;
8630 int ret;
8631
8632 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
8633 return -1;
8634
8635 wpa_printf(MSG_DEBUG, "NFC: P2P connection handover reported");
8636
8637 wpa_hexdump_ascii(MSG_DEBUG, "NFC: Req",
8638 wpabuf_head(req), wpabuf_len(req));
8639 wpa_hexdump_ascii(MSG_DEBUG, "NFC: Sel",
8640 wpabuf_head(sel), wpabuf_len(sel));
b56f6c88
JM		 8641 if (forced_freq)
8642 wpa_printf(MSG_DEBUG, "NFC: Forced freq %d", forced_freq);
db6ae69e
JM		 8643 tmp = ndef_parse_p2p(init ? sel : req);
8644 if (tmp == NULL) {
8645 wpa_printf(MSG_DEBUG, "P2P: Could not parse NDEF");
8646 return -1;
8647 }
8648
b56f6c88
JM		 8649 ret = wpas_p2p_nfc_connection_handover(wpa_s, tmp, init, 0,
8650 forced_freq);
db6ae69e
JM		 8651 wpabuf_free(tmp);
8652
8653 return ret;
8654}
8655
c4f87a70
JM		 8656
8657int wpas_p2p_nfc_tag_enabled(struct wpa_supplicant *wpa_s, int enabled)
8658{
8659 const u8 *if_addr;
8660 int go_intent = wpa_s->conf->p2p_go_intent;
dd876771 8661 struct wpa_supplicant *iface;
c4f87a70
JM		 8662
8663 if (wpa_s->global->p2p == NULL)
8664 return -1;
8665
8666 if (!enabled) {
dd876771
JM		 8667 wpa_printf(MSG_DEBUG, "P2P: Disable use of own NFC Tag");
8668 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
8669 {
8670 if (!iface->ap_iface)
8671 continue;
8672 hostapd_wps_nfc_token_disable(iface->ap_iface->bss[0]);
8673 }
c4f87a70
JM		 8674 p2p_set_authorized_oob_dev_pw_id(wpa_s->global->p2p, 0,
8675 0, NULL);
8676 if (wpa_s->p2p_nfc_tag_enabled)
8677 wpas_p2p_remove_pending_group_interface(wpa_s);
8678 wpa_s->p2p_nfc_tag_enabled = 0;
8679 return 0;
8680 }
8681
8682 if (wpa_s->global->p2p_disabled)
8683 return -1;
8684
8685 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL ||
8686 wpa_s->conf->wps_nfc_dh_privkey == NULL ||
8687 wpa_s->conf->wps_nfc_dev_pw == NULL ||
8688 wpa_s->conf->wps_nfc_dev_pw_id < 0x10) {
8689 wpa_printf(MSG_DEBUG, "P2P: NFC password token not configured "
8690 "to allow static handover cases");
8691 return -1;
8692 }
8693
dd876771
JM		 8694 wpa_printf(MSG_DEBUG, "P2P: Enable use of own NFC Tag");
8695
c4f87a70
JM		 8696 wpa_s->p2p_oob_dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id;
8697 wpabuf_free(wpa_s->p2p_oob_dev_pw);
8698 wpa_s->p2p_oob_dev_pw = wpabuf_dup(wpa_s->conf->wps_nfc_dev_pw);
8699 if (wpa_s->p2p_oob_dev_pw == NULL)
8700 return -1;
8701 wpa_s->p2p_peer_oob_pk_hash_known = 0;
8702
67d39cfb
MB		 8703 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO ||
8704 wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT) {
8705 /*
8706 * P2P Group Interface present and the command came on group
8707 * interface, so enable the token for the current interface.
8708 */
8709 wpa_s->create_p2p_iface = 0;
8710 } else {
8711 wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
8712 }
c4f87a70
JM		 8713
8714 if (wpa_s->create_p2p_iface) {
8715 enum wpa_driver_if_type iftype;
8716 /* Prepare to add a new interface for the group */
8717 iftype = WPA_IF_P2P_GROUP;
8718 if (go_intent == 15)
8719 iftype = WPA_IF_P2P_GO;
8720 if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) {
8721 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
8722 "interface for the group");
8723 return -1;
8724 }
8725
8726 if_addr = wpa_s->pending_interface_addr;
96a26ab7
LD		 8727 } else if (wpa_s->p2p_mgmt)
8728 if_addr = wpa_s->parent->own_addr;
8729 else
c4f87a70
JM		 8730 if_addr = wpa_s->own_addr;
8731
8732 wpa_s->p2p_nfc_tag_enabled = enabled;
8733
dd876771
JM		 8734 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
8735 struct hostapd_data *hapd;
8736 if (iface->ap_iface == NULL)
8737 continue;
8738 hapd = iface->ap_iface->bss[0];
8739 wpabuf_free(hapd->conf->wps_nfc_dh_pubkey);
8740 hapd->conf->wps_nfc_dh_pubkey =
8741 wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey);
8742 wpabuf_free(hapd->conf->wps_nfc_dh_privkey);
8743 hapd->conf->wps_nfc_dh_privkey =
8744 wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey);
8745 wpabuf_free(hapd->conf->wps_nfc_dev_pw);
8746 hapd->conf->wps_nfc_dev_pw =
8747 wpabuf_dup(wpa_s->conf->wps_nfc_dev_pw);
8748 hapd->conf->wps_nfc_dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id;
8749
8750 if (hostapd_wps_nfc_token_enable(iface->ap_iface->bss[0]) < 0) {
8751 wpa_dbg(iface, MSG_DEBUG,
8752 "P2P: Failed to enable NFC Tag for GO");
8753 }
8754 }
c4f87a70
JM		 8755 p2p_set_authorized_oob_dev_pw_id(
8756 wpa_s->global->p2p, wpa_s->conf->wps_nfc_dev_pw_id, go_intent,
8757 if_addr);
8758
8759 return 0;
8760}
8761
93588780 8762#endif /* CONFIG_WPS_NFC */
e3bd6e9d
IP		 8763
8764
8765static void wpas_p2p_optimize_listen_channel(struct wpa_supplicant *wpa_s,
8766 struct wpa_used_freq_data *freqs,
8767 unsigned int num)
8768{
8769 u8 curr_chan, cand, chan;
8770 unsigned int i;
8771
c2675c87
IP		 8772 /*
8773 * If possible, optimize the Listen channel to be a channel that is
8774 * already used by one of the other interfaces.
8775 */
8776 if (!wpa_s->conf->p2p_optimize_listen_chan)
8777 return;
8778
8779 if (!wpa_s->current_ssid || wpa_s->wpa_state != WPA_COMPLETED)
8780 return;
8781
e3bd6e9d
IP		 8782 curr_chan = p2p_get_listen_channel(wpa_s->global->p2p);
8783 for (i = 0, cand = 0; i < num; i++) {
8784 ieee80211_freq_to_chan(freqs[i].freq, &chan);
8785 if (curr_chan == chan) {
8786 cand = 0;
8787 break;
8788 }
8789
8790 if (chan == 1 || chan == 6 || chan == 11)
8791 cand = chan;
8792 }
8793
8794 if (cand) {
8795 wpa_dbg(wpa_s, MSG_DEBUG,
abe96d06 8796 "P2P: Update Listen channel to %u based on operating channel",
e3bd6e9d
IP		 8797 cand);
8798 p2p_set_listen_channel(wpa_s->global->p2p, 81, cand, 0);
8799 }
8800}
8801
8802
1a471ff0
IP		 8803static int wpas_p2p_move_go_csa(struct wpa_supplicant *wpa_s)
8804{
73afc20d
AO		 8805 struct hostapd_config *conf;
8806 struct p2p_go_neg_results params;
8807 struct csa_settings csa_settings;
8808 struct wpa_ssid *current_ssid = wpa_s->current_ssid;
8809 int old_freq = current_ssid->frequency;
8810 int ret;
73afc20d 8811
1a471ff0
IP		 8812 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_CSA)) {
8813 wpa_dbg(wpa_s, MSG_DEBUG, "CSA is not enabled");
8814 return -1;
8815 }
8816
73afc20d
AO		 8817 /*
8818 * TODO: This function may not always work correctly. For example,
8819 * when we have a running GO and a BSS on a DFS channel.
8820 */
c27f4c90 8821 if (wpas_p2p_init_go_params(wpa_s, &params, 0, 0, 0, 0, 0, NULL)) {
73afc20d
AO		 8822 wpa_dbg(wpa_s, MSG_DEBUG,
8823 "P2P CSA: Failed to select new frequency for GO");
8824 return -1;
8825 }
8826
8827 if (current_ssid->frequency == params.freq) {
8828 wpa_dbg(wpa_s, MSG_DEBUG,
8829 "P2P CSA: Selected same frequency - not moving GO");
8830 return 0;
8831 }
8832
8833 conf = hostapd_config_defaults();
8834 if (!conf) {
8835 wpa_dbg(wpa_s, MSG_DEBUG,
8836 "P2P CSA: Failed to allocate default config");
8837 return -1;
8838 }
8839
8840 current_ssid->frequency = params.freq;
8841 if (wpa_supplicant_conf_ap_ht(wpa_s, current_ssid, conf)) {
8842 wpa_dbg(wpa_s, MSG_DEBUG,
8843 "P2P CSA: Failed to create new GO config");
8844 ret = -1;
8845 goto out;
8846 }
8847
8848 if (conf->hw_mode != wpa_s->ap_iface->current_mode->mode) {
8849 wpa_dbg(wpa_s, MSG_DEBUG,
8850 "P2P CSA: CSA to a different band is not supported");
8851 ret = -1;
8852 goto out;
8853 }
8854
8855 os_memset(&csa_settings, 0, sizeof(csa_settings));
8856 csa_settings.cs_count = P2P_GO_CSA_COUNT;
8857 csa_settings.block_tx = P2P_GO_CSA_BLOCK_TX;
8858 csa_settings.freq_params.freq = params.freq;
73afc20d
AO		 8859 csa_settings.freq_params.sec_channel_offset = conf->secondary_channel;
8860 csa_settings.freq_params.ht_enabled = conf->ieee80211n;
8861 csa_settings.freq_params.bandwidth = conf->secondary_channel ? 40 : 20;
8862
8863 if (conf->ieee80211ac) {
8864 int freq1 = 0, freq2 = 0;
7d82170a
LC		 8865 u8 chan, opclass;
8866
8867 if (ieee80211_freq_to_channel_ext(params.freq,
8868 conf->secondary_channel,
8869 conf->vht_oper_chwidth,
8870 &opclass, &chan) ==
8871 NUM_HOSTAPD_MODES) {
8872 wpa_printf(MSG_ERROR, "P2P CSA: Bad freq");
8873 ret = -1;
8874 goto out;
8875 }
73afc20d
AO		 8876
8877 if (conf->vht_oper_centr_freq_seg0_idx)
8878 freq1 = ieee80211_chan_to_freq(
7d82170a 8879 NULL, opclass,
73afc20d
AO		 8880 conf->vht_oper_centr_freq_seg0_idx);
8881
8882 if (conf->vht_oper_centr_freq_seg1_idx)
8883 freq2 = ieee80211_chan_to_freq(
7d82170a 8884 NULL, opclass,
73afc20d
AO		 8885 conf->vht_oper_centr_freq_seg1_idx);
8886
8887 if (freq1 < 0 || freq2 < 0) {
8888 wpa_dbg(wpa_s, MSG_DEBUG,
8889 "P2P CSA: Selected invalid VHT center freqs");
8890 ret = -1;
8891 goto out;
8892 }
8893
8894 csa_settings.freq_params.vht_enabled = conf->ieee80211ac;
8895 csa_settings.freq_params.center_freq1 = freq1;
8896 csa_settings.freq_params.center_freq2 = freq2;
8897
8898 switch (conf->vht_oper_chwidth) {
8899 case VHT_CHANWIDTH_80MHZ:
8900 case VHT_CHANWIDTH_80P80MHZ:
8901 csa_settings.freq_params.bandwidth = 80;
8902 break;
8903 case VHT_CHANWIDTH_160MHZ:
8904 csa_settings.freq_params.bandwidth = 160;
8905 break;
8906 }
8907 }
8908
8909 ret = ap_switch_channel(wpa_s, &csa_settings);
8910out:
8911 current_ssid->frequency = old_freq;
8912 hostapd_config_free(conf);
8913 return ret;
1a471ff0
IP		 8914}
8915
8916
8917static void wpas_p2p_move_go_no_csa(struct wpa_supplicant *wpa_s)
8918{
8919 struct p2p_go_neg_results params;
8920 struct wpa_ssid *current_ssid = wpa_s->current_ssid;
8921
8922 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_REMOVE_AND_REFORM_GROUP);
8923
8924 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Move GO from freq=%d MHz",
8925 current_ssid->frequency);
8926
8927 /* Stop the AP functionality */
8928 /* TODO: Should do this in a way that does not indicated to possible
8929 * P2P Clients in the group that the group is terminated. */
8930 wpa_supplicant_ap_deinit(wpa_s);
8931
8932 /* Reselect the GO frequency */
c27f4c90 8933 if (wpas_p2p_init_go_params(wpa_s, &params, 0, 0, 0, 0, 0, NULL)) {
1a471ff0
IP		 8934 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Failed to reselect freq");
8935 wpas_p2p_group_delete(wpa_s,
8936 P2P_GROUP_REMOVAL_GO_LEAVE_CHANNEL);
8937 return;
8938 }
8939 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New freq selected for the GO (%u MHz)",
8940 params.freq);
8941
8942 if (params.freq &&
8943 !p2p_supported_freq_go(wpa_s->global->p2p, params.freq)) {
8944 wpa_printf(MSG_DEBUG,
8945 "P2P: Selected freq (%u MHz) is not valid for P2P",
8946 params.freq);
8947 wpas_p2p_group_delete(wpa_s,
8948 P2P_GROUP_REMOVAL_GO_LEAVE_CHANNEL);
8949 return;
8950 }
8951
8952 /* Update the frequency */
8953 current_ssid->frequency = params.freq;
8954 wpa_s->connect_without_scan = current_ssid;
8955 wpa_s->reassociate = 1;
8956 wpa_s->disconnected = 0;
8957 wpa_supplicant_req_scan(wpa_s, 0, 0);
8958}
8959
8960
8961static void wpas_p2p_move_go(void *eloop_ctx, void *timeout_ctx)
8962{
8963 struct wpa_supplicant *wpa_s = eloop_ctx;
8964
8965 if (!wpa_s->ap_iface || !wpa_s->current_ssid)
8966 return;
8967
5e1f4805
IP		 8968 wpas_p2p_go_update_common_freqs(wpa_s);
8969
3bafb0d8
AO		 8970 /* Do not move GO in the middle of a CSA */
8971 if (hostapd_csa_in_progress(wpa_s->ap_iface)) {
8972 wpa_printf(MSG_DEBUG,
8973 "P2P: CSA is in progress - not moving GO");
8974 return;
8975 }
8976
1a471ff0
IP		 8977 /*
8978 * First, try a channel switch flow. If it is not supported or fails,
8979 * take down the GO and bring it up again.
8980 */
8981 if (wpas_p2p_move_go_csa(wpa_s) < 0)
8982 wpas_p2p_move_go_no_csa(wpa_s);
8983}
8984
8985
dae4c82c
IP		 8986static void wpas_p2p_reconsider_moving_go(void *eloop_ctx, void *timeout_ctx)
8987{
8988 struct wpa_supplicant *wpa_s = eloop_ctx;
8989 struct wpa_used_freq_data *freqs = NULL;
8990 unsigned int num = wpa_s->num_multichan_concurrent;
8991
8992 freqs = os_calloc(num, sizeof(struct wpa_used_freq_data));
8993 if (!freqs)
8994 return;
8995
8996 num = get_shared_radio_freqs_data(wpa_s, freqs, num);
8997
8998 /* Previous attempt to move a GO was not possible -- try again. */
3a8f008a
IP		 8999 wpas_p2p_consider_moving_gos(wpa_s, freqs, num,
9000 WPAS_P2P_CHANNEL_UPDATE_ANY);
dae4c82c
IP		 9001
9002 os_free(freqs);
9003}
9004
9005
1a471ff0
IP		 9006/*
9007 * Consider moving a GO from its currently used frequency:
9008 * 1. It is possible that due to regulatory consideration the frequency
9009 * can no longer be used and there is a need to evacuate the GO.
9010 * 2. It is possible that due to MCC considerations, it would be preferable
9011 * to move the GO to a channel that is currently used by some other
9012 * station interface.
9013 *
9014 * In case a frequency that became invalid is once again valid, cancel a
9015 * previously initiated GO frequency change.
9016 */
9017static void wpas_p2p_consider_moving_one_go(struct wpa_supplicant *wpa_s,
9018 struct wpa_used_freq_data *freqs,
9019 unsigned int num)
9020{
9021 unsigned int i, invalid_freq = 0, policy_move = 0, flags = 0;
9022 unsigned int timeout;
9023 int freq;
9024
5e1f4805
IP		 9025 wpas_p2p_go_update_common_freqs(wpa_s);
9026
1a471ff0
IP		 9027 freq = wpa_s->current_ssid->frequency;
9028 for (i = 0, invalid_freq = 0; i < num; i++) {
9029 if (freqs[i].freq == freq) {
9030 flags = freqs[i].flags;
9031
9032 /* The channel is invalid, must change it */
9033 if (!p2p_supported_freq_go(wpa_s->global->p2p, freq)) {
9034 wpa_dbg(wpa_s, MSG_DEBUG,
9035 "P2P: Freq=%d MHz no longer valid for GO",
9036 freq);
9037 invalid_freq = 1;
9038 }
9039 } else if (freqs[i].flags == 0) {
9040 /* Freq is not used by any other station interface */
9041 continue;
9042 } else if (!p2p_supported_freq(wpa_s->global->p2p,
9043 freqs[i].freq)) {
9044 /* Freq is not valid for P2P use cases */
9045 continue;
9046 } else if (wpa_s->conf->p2p_go_freq_change_policy ==
9047 P2P_GO_FREQ_MOVE_SCM) {
9048 policy_move = 1;
9049 } else if (wpa_s->conf->p2p_go_freq_change_policy ==
9050 P2P_GO_FREQ_MOVE_SCM_PEER_SUPPORTS &&
9051 wpas_p2p_go_is_peer_freq(wpa_s, freqs[i].freq)) {
9052 policy_move = 1;
98b05081
AO		 9053 } else if ((wpa_s->conf->p2p_go_freq_change_policy ==
9054 P2P_GO_FREQ_MOVE_SCM_ECSA) &&
9055 wpas_p2p_go_is_peer_freq(wpa_s, freqs[i].freq)) {
9056 if (!p2p_get_group_num_members(wpa_s->p2p_group)) {
9057 policy_move = 1;
9058 } else if ((wpa_s->drv_flags &
9059 WPA_DRIVER_FLAGS_AP_CSA) &&
9060 wpas_p2p_go_clients_support_ecsa(wpa_s)) {
9061 u8 chan;
9062
9063 /*
9064 * We do not support CSA between bands, so move
9065 * GO only within the same band.
9066 */
9067 if (wpa_s->ap_iface->current_mode->mode ==
9068 ieee80211_freq_to_chan(freqs[i].freq,
9069 &chan))
9070 policy_move = 1;
9071 }
1a471ff0
IP		 9072 }
9073 }
9074
9075 wpa_dbg(wpa_s, MSG_DEBUG,
9076 "P2P: GO move: invalid_freq=%u, policy_move=%u, flags=0x%X",
9077 invalid_freq, policy_move, flags);
9078
9079 /*
9080 * The channel is valid, or we are going to have a policy move, so
9081 * cancel timeout.
9082 */
9083 if (!invalid_freq || policy_move) {
9084 wpa_dbg(wpa_s, MSG_DEBUG,
9085 "P2P: Cancel a GO move from freq=%d MHz", freq);
9086 eloop_cancel_timeout(wpas_p2p_move_go, wpa_s, NULL);
dae4c82c
IP		 9087
9088 if (wpas_p2p_in_progress(wpa_s)) {
9089 wpa_dbg(wpa_s, MSG_DEBUG,
9090 "P2P: GO move: policy CS is not allowed - setting timeout to re-consider GO move");
9091 eloop_cancel_timeout(wpas_p2p_reconsider_moving_go,
9092 wpa_s, NULL);
9093 eloop_register_timeout(P2P_RECONSIDER_GO_MOVE_DELAY, 0,
9094 wpas_p2p_reconsider_moving_go,
9095 wpa_s, NULL);
9096 return;
9097 }
1a471ff0
IP		 9098 }
9099
9100 if (!invalid_freq && (!policy_move || flags != 0)) {
9101 wpa_dbg(wpa_s, MSG_DEBUG,
9102 "P2P: Not initiating a GO frequency change");
9103 return;
9104 }
9105
3bafb0d8
AO		 9106 /*
9107 * Do not consider moving GO if it is in the middle of a CSA. When the
9108 * CSA is finished this flow should be retriggered.
9109 */
9110 if (hostapd_csa_in_progress(wpa_s->ap_iface)) {
9111 wpa_dbg(wpa_s, MSG_DEBUG,
9112 "P2P: Not initiating a GO frequency change - CSA is in progress");
9113 return;
9114 }
9115
1a471ff0
IP		 9116 if (invalid_freq && !wpas_p2p_disallowed_freq(wpa_s->global, freq))
9117 timeout = P2P_GO_FREQ_CHANGE_TIME;
9118 else
9119 timeout = 0;
9120
9121 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Move GO from freq=%d MHz in %d secs",
9122 freq, timeout);
9123 eloop_cancel_timeout(wpas_p2p_move_go, wpa_s, NULL);
9124 eloop_register_timeout(timeout, 0, wpas_p2p_move_go, wpa_s, NULL);
9125}
9126
9127
9128static void wpas_p2p_consider_moving_gos(struct wpa_supplicant *wpa_s,
9129 struct wpa_used_freq_data *freqs,
3a8f008a
IP		 9130 unsigned int num,
9131 enum wpas_p2p_channel_update_trig trig)
1a471ff0
IP		 9132{
9133 struct wpa_supplicant *ifs;
9134
dae4c82c
IP		 9135 eloop_cancel_timeout(wpas_p2p_reconsider_moving_go, ELOOP_ALL_CTX,
9136 NULL);
9137
1a471ff0
IP		 9138 /*
9139 * Travers all the radio interfaces, and for each GO interface, check
9140 * if there is a need to move the GO from the frequency it is using,
9141 * or in case the frequency is valid again, cancel the evacuation flow.
9142 */
9143 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
9144 radio_list) {
9145 if (ifs->current_ssid == NULL ||
9146 ifs->current_ssid->mode != WPAS_MODE_P2P_GO)
9147 continue;
9148
3a8f008a
IP		 9149 /*
9150 * The GO was just started or completed channel switch, no need
9151 * to move it.
9152 */
9153 if (wpa_s == ifs &&
9154 (trig == WPAS_P2P_CHANNEL_UPDATE_STATE_CHANGE ||
9155 trig == WPAS_P2P_CHANNEL_UPDATE_CS)) {
9156 wpa_dbg(wpa_s, MSG_DEBUG,
9157 "P2P: GO move - schedule re-consideration");
9158 eloop_register_timeout(P2P_RECONSIDER_GO_MOVE_DELAY, 0,
9159 wpas_p2p_reconsider_moving_go,
9160 wpa_s, NULL);
9161 continue;
9162 }
9163
1a471ff0
IP		 9164 wpas_p2p_consider_moving_one_go(ifs, freqs, num);
9165 }
9166}
9167
9168
e3bd6e9d
IP		 9169void wpas_p2p_indicate_state_change(struct wpa_supplicant *wpa_s)
9170{
e3bd6e9d
IP		 9171 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
9172 return;
9173
3a8f008a
IP		 9174 wpas_p2p_update_channel_list(wpa_s,
9175 WPAS_P2P_CHANNEL_UPDATE_STATE_CHANGE);
e3bd6e9d 9176}
bd10d938
JM		 9177
9178
9179void wpas_p2p_deinit_iface(struct wpa_supplicant *wpa_s)
9180{
bd10d938
JM		 9181 if (wpa_s == wpa_s->global->p2p_init_wpa_s && wpa_s->global->p2p) {
9182 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Disable P2P since removing "
9183 "the management interface is being removed");
9184 wpas_p2p_deinit_global(wpa_s->global);
9185 }
9186}
9187
9188
9189void wpas_p2p_ap_deinit(struct wpa_supplicant *wpa_s)
9190{
9191 if (wpa_s->ap_iface->bss)
9192 wpa_s->ap_iface->bss[0]->p2p_group = NULL;
9193 wpas_p2p_group_deinit(wpa_s);
9194}
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