]> git.ipfire.org Git - thirdparty/hostap.git/blame - wpa_supplicant/p2p_supplicant.c
projects / thirdparty / hostap.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
nl80211: Abort an ongoing scan upon scan timeout indication
[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52 * it is currently using, but is no longer valid for P2P use cases.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57 * Defines CSA parameters which are used when GO evacuates the no longer valid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;
92c4465b 2392 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_FIND_STOPPED);
7b642dc8 2393 wpas_notify_p2p_find_stopped(wpa_s);
710ae9ac
JM		 2394}
2395
2396
e1d1c8e2
JM		 2397struct wpas_p2p_listen_work {
2398 unsigned int freq;
2399 unsigned int duration;
2400 struct wpabuf *probe_resp_ie;
2401};
2402
2403
2404static void wpas_p2p_listen_work_free(struct wpas_p2p_listen_work *lwork)
b22128ef 2405{
e1d1c8e2
JM		 2406 if (lwork == NULL)
2407 return;
2408 wpabuf_free(lwork->probe_resp_ie);
2409 os_free(lwork);
2410}
2411
2412
2413static void wpas_p2p_listen_work_done(struct wpa_supplicant *wpa_s)
2414{
2415 struct wpas_p2p_listen_work *lwork;
2416
2417 if (!wpa_s->p2p_listen_work)
2418 return;
2419
2420 lwork = wpa_s->p2p_listen_work->ctx;
2421 wpas_p2p_listen_work_free(lwork);
2422 radio_work_done(wpa_s->p2p_listen_work);
2423 wpa_s->p2p_listen_work = NULL;
2424}
2425
2426
2427static void wpas_start_listen_cb(struct wpa_radio_work *work, int deinit)
2428{
2429 struct wpa_supplicant *wpa_s = work->wpa_s;
2430 struct wpas_p2p_listen_work *lwork = work->ctx;
1f94e4ee 2431 unsigned int duration;
e1d1c8e2
JM		 2432
2433 if (deinit) {
b3253ebb
AO		 2434 if (work->started) {
2435 wpa_s->p2p_listen_work = NULL;
2436 wpas_stop_listen(wpa_s);
2437 }
e1d1c8e2
JM		 2438 wpas_p2p_listen_work_free(lwork);
2439 return;
2440 }
b22128ef 2441
e1d1c8e2
JM		 2442 wpa_s->p2p_listen_work = work;
2443
2444 wpa_drv_set_ap_wps_ie(wpa_s, NULL, lwork->probe_resp_ie, NULL);
b22128ef
JM		 2445
2446 if (wpa_drv_probe_req_report(wpa_s, 1) < 0) {
2447 wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver to "
2448 "report received Probe Request frames");
e1d1c8e2
JM		 2449 wpas_p2p_listen_work_done(wpa_s);
2450 return;
b22128ef
JM		 2451 }
2452
e1d1c8e2
JM		 2453 wpa_s->pending_listen_freq = lwork->freq;
2454 wpa_s->pending_listen_duration = lwork->duration;
b22128ef 2455
1f94e4ee
JM		 2456 duration = lwork->duration;
2457#ifdef CONFIG_TESTING_OPTIONS
2458 if (wpa_s->extra_roc_dur) {
2459 wpa_printf(MSG_DEBUG, "TESTING: Increase ROC duration %u -> %u",
2460 duration, duration + wpa_s->extra_roc_dur);
2461 duration += wpa_s->extra_roc_dur;
2462 }
2463#endif /* CONFIG_TESTING_OPTIONS */
2464
2465 if (wpa_drv_remain_on_channel(wpa_s, lwork->freq, duration) < 0) {
b22128ef
JM		 2466 wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver "
2467 "to remain on channel (%u MHz) for Listen "
e1d1c8e2
JM		 2468 "state", lwork->freq);
2469 wpas_p2p_listen_work_done(wpa_s);
b22128ef 2470 wpa_s->pending_listen_freq = 0;
e1d1c8e2 2471 return;
b22128ef 2472 }
09d660b9 2473 wpa_s->off_channel_freq = 0;
e1d1c8e2
JM		 2474 wpa_s->roc_waiting_drv_freq = lwork->freq;
2475}
2476
2477
2478static int wpas_start_listen(void *ctx, unsigned int freq,
2479 unsigned int duration,
2480 const struct wpabuf *probe_resp_ie)
2481{
2482 struct wpa_supplicant *wpa_s = ctx;
2483 struct wpas_p2p_listen_work *lwork;
2484
2485 if (wpa_s->p2p_listen_work) {
2486 wpa_printf(MSG_DEBUG, "P2P: Reject start_listen since p2p_listen_work already exists");
2487 return -1;
2488 }
2489
2490 lwork = os_zalloc(sizeof(*lwork));
2491 if (lwork == NULL)
2492 return -1;
2493 lwork->freq = freq;
2494 lwork->duration = duration;
2495 if (probe_resp_ie) {
2496 lwork->probe_resp_ie = wpabuf_dup(probe_resp_ie);
2497 if (lwork->probe_resp_ie == NULL) {
2498 wpas_p2p_listen_work_free(lwork);
2499 return -1;
2500 }
2501 }
2502
2503 if (radio_add_work(wpa_s, freq, "p2p-listen", 0, wpas_start_listen_cb,
2504 lwork) < 0) {
2505 wpas_p2p_listen_work_free(lwork);
2506 return -1;
2507 }
b22128ef
JM		 2508
2509 return 0;
2510}
2511
2512
2513static void wpas_stop_listen(void *ctx)
2514{
2515 struct wpa_supplicant *wpa_s = ctx;
6cb22d2f 2516 if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
b22128ef
JM		 2517 wpa_drv_cancel_remain_on_channel(wpa_s);
2518 wpa_s->off_channel_freq = 0;
07a30a66 2519 wpa_s->roc_waiting_drv_freq = 0;
b22128ef 2520 }
839b33ad 2521 wpa_drv_set_ap_wps_ie(wpa_s, NULL, NULL, NULL);
07c1e987
MS		 2522
2523 /*
2524 * Don't cancel Probe Request RX reporting for a connected P2P Client
2525 * handling Probe Request frames.
2526 */
2527 if (!wpa_s->p2p_cli_probe)
2528 wpa_drv_probe_req_report(wpa_s, 0);
2529
e1d1c8e2 2530 wpas_p2p_listen_work_done(wpa_s);
b22128ef
JM		 2531}
2532
2533
0799b3f8
AO		 2534static int wpas_send_probe_resp(void *ctx, const struct wpabuf *buf,
2535 unsigned int freq)
b22128ef
JM		 2536{
2537 struct wpa_supplicant *wpa_s = ctx;
0799b3f8
AO		 2538 return wpa_drv_send_mlme(wpa_s, wpabuf_head(buf), wpabuf_len(buf), 1,
2539 freq);
b22128ef
JM		 2540}
2541
2542
b22128ef 2543static void wpas_prov_disc_local_display(struct wpa_supplicant *wpa_s,
bbeee9b0
JB		 2544 const u8 *peer, const char *params,
2545 unsigned int generated_pin)
b22128ef 2546{
92c4465b
JM		 2547 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR
2548 " %08d%s", MAC2STR(peer), generated_pin, params);
b22128ef
JM		 2549}
2550
2551
2552static void wpas_prov_disc_local_keypad(struct wpa_supplicant *wpa_s,
2553 const u8 *peer, const char *params)
2554{
92c4465b
JM		 2555 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR
2556 "%s", MAC2STR(peer), params);
b22128ef
JM		 2557}
2558
2559
152cff6b
JM		 2560static void wpas_prov_disc_req(void *ctx, const u8 *peer, u16 config_methods,
2561 const u8 *dev_addr, const u8 *pri_dev_type,
2562 const char *dev_name, u16 supp_config_methods,
2563 u8 dev_capab, u8 group_capab, const u8 *group_id,
2564 size_t group_id_len)
b22128ef
JM		 2565{
2566 struct wpa_supplicant *wpa_s = ctx;
2567 char devtype[WPS_DEV_TYPE_BUFSIZE];
c3f42784 2568 char params[300];
b22128ef 2569 u8 empty_dev_type[8];
bbeee9b0 2570 unsigned int generated_pin = 0;
c3f42784 2571 struct wpa_supplicant *group = NULL;
1d399771 2572 int res;
c3f42784
JM		 2573
2574 if (group_id) {
2575 for (group = wpa_s->global->ifaces; group; group = group->next)
2576 {
2577 struct wpa_ssid *s = group->current_ssid;
2578 if (s != NULL &&
2579 s->mode == WPAS_MODE_P2P_GO &&
2580 group_id_len - ETH_ALEN == s->ssid_len &&
2581 os_memcmp(group_id + ETH_ALEN, s->ssid,
2582 s->ssid_len) == 0)
2583 break;
2584 }
2585 }
b22128ef
JM		 2586
2587 if (pri_dev_type == NULL) {
2588 os_memset(empty_dev_type, 0, sizeof(empty_dev_type));
2589 pri_dev_type = empty_dev_type;
2590 }
1d399771
JM		 2591 res = os_snprintf(params, sizeof(params), " p2p_dev_addr=" MACSTR
2592 " pri_dev_type=%s name='%s' config_methods=0x%x "
2593 "dev_capab=0x%x group_capab=0x%x%s%s",
2594 MAC2STR(dev_addr),
2595 wps_dev_type_bin2str(pri_dev_type, devtype,
2596 sizeof(devtype)),
2597 dev_name, supp_config_methods, dev_capab, group_capab,
2598 group ? " group=" : "",
2599 group ? group->ifname : "");
2600 if (os_snprintf_error(sizeof(params), res))
2601 wpa_printf(MSG_DEBUG, "P2P: PD Request event truncated");
b22128ef
JM		 2602 params[sizeof(params) - 1] = '\0';
2603
bbeee9b0 2604 if (config_methods & WPS_CONFIG_DISPLAY) {
98a516ea
NL		 2605 if (wps_generate_pin(&generated_pin) < 0) {
2606 wpa_printf(MSG_DEBUG, "P2P: Could not generate PIN");
2607 wpas_notify_p2p_provision_discovery(
2608 wpa_s, peer, 0 /* response */,
2609 P2P_PROV_DISC_INFO_UNAVAILABLE, 0, 0);
2610 return;
2611 }
bbeee9b0
JB		 2612 wpas_prov_disc_local_display(wpa_s, peer, params,
2613 generated_pin);
2614 } else if (config_methods & WPS_CONFIG_KEYPAD)
b22128ef
JM		 2615 wpas_prov_disc_local_keypad(wpa_s, peer, params);
2616 else if (config_methods & WPS_CONFIG_PUSHBUTTON)
92c4465b
JM		 2617 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_REQ
2618 MACSTR "%s", MAC2STR(peer), params);
dd8a7e05
JB		 2619
2620 wpas_notify_p2p_provision_discovery(wpa_s, peer, 1 /* request */,
2621 P2P_PROV_DISC_SUCCESS,
2622 config_methods, generated_pin);
b22128ef
JM		 2623}
2624
2625
152cff6b 2626static void wpas_prov_disc_resp(void *ctx, const u8 *peer, u16 config_methods)
b22128ef
JM		 2627{
2628 struct wpa_supplicant *wpa_s = ctx;
bbeee9b0 2629 unsigned int generated_pin = 0;
0918c4bf 2630 char params[20];
bbeee9b0 2631
c1931635
JM		 2632 if (wpa_s->pending_pd_before_join &&
2633 (os_memcmp(peer, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 ||
2634 os_memcmp(peer, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
2635 wpa_s->pending_pd_before_join = 0;
2636 wpa_printf(MSG_DEBUG, "P2P: Starting pending "
2637 "join-existing-group operation");
23318bea 2638 wpas_p2p_join_start(wpa_s, 0, NULL, 0);
c1931635
JM		 2639 return;
2640 }
2641
0918c4bf 2642 if (wpa_s->pending_pd_use == AUTO_PD_JOIN ||
1d399771
JM		 2643 wpa_s->pending_pd_use == AUTO_PD_GO_NEG) {
2644 int res;
2645
2646 res = os_snprintf(params, sizeof(params), " peer_go=%d",
2647 wpa_s->pending_pd_use == AUTO_PD_JOIN);
2648 if (os_snprintf_error(sizeof(params), res))
2649 params[sizeof(params) - 1] = '\0';
2650 } else
0918c4bf
JM		 2651 params[0] = '\0';
2652
b22128ef 2653 if (config_methods & WPS_CONFIG_DISPLAY)
0918c4bf 2654 wpas_prov_disc_local_keypad(wpa_s, peer, params);
bbeee9b0 2655 else if (config_methods & WPS_CONFIG_KEYPAD) {
98a516ea
NL		 2656 if (wps_generate_pin(&generated_pin) < 0) {
2657 wpa_printf(MSG_DEBUG, "P2P: Could not generate PIN");
2658 wpas_notify_p2p_provision_discovery(
2659 wpa_s, peer, 0 /* response */,
2660 P2P_PROV_DISC_INFO_UNAVAILABLE, 0, 0);
2661 return;
2662 }
0918c4bf
JM		 2663 wpas_prov_disc_local_display(wpa_s, peer, params,
2664 generated_pin);
bbeee9b0 2665 } else if (config_methods & WPS_CONFIG_PUSHBUTTON)
92c4465b
JM		 2666 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_RESP
2667 MACSTR "%s", MAC2STR(peer), params);
a482883f 2668
dd8a7e05
JB		 2669 wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */,
2670 P2P_PROV_DISC_SUCCESS,
2671 config_methods, generated_pin);
b22128ef
JM		 2672}
2673
2674
19df9b07 2675static void wpas_prov_disc_fail(void *ctx, const u8 *peer,
ab8ee776
KV		 2676 enum p2p_prov_disc_status status,
2677 u32 adv_id, const u8 *adv_mac,
2678 const char *deferred_session_resp)
dd8a7e05
JB		 2679{
2680 struct wpa_supplicant *wpa_s = ctx;
2681
aa9bb764
JM		 2682 if (wpa_s->p2p_fallback_to_go_neg) {
2683 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: PD for p2p_connect-auto "
2684 "failed - fall back to GO Negotiation");
ba307f85 2685 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
6b005121
JM		 2686 P2P_EVENT_FALLBACK_TO_GO_NEG
2687 "reason=PD-failed");
aa9bb764
JM		 2688 wpas_p2p_fallback_to_go_neg(wpa_s, 0);
2689 return;
2690 }
2691
175171ac
JM		 2692 if (status == P2P_PROV_DISC_TIMEOUT_JOIN) {
2693 wpa_s->pending_pd_before_join = 0;
2694 wpa_printf(MSG_DEBUG, "P2P: Starting pending "
2695 "join-existing-group operation (no ACK for PD "
2696 "Req attempts)");
23318bea 2697 wpas_p2p_join_start(wpa_s, 0, NULL, 0);
175171ac
JM		 2698 return;
2699 }
2700
ab8ee776
KV		 2701 if (adv_id && adv_mac && deferred_session_resp) {
2702 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
2703 " p2p_dev_addr=" MACSTR " status=%d adv_id=%x"
2704 " deferred_session_resp='%s'",
2705 MAC2STR(peer), status, adv_id,
2706 deferred_session_resp);
2707 } else if (adv_id && adv_mac) {
2708 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
2709 " p2p_dev_addr=" MACSTR " status=%d adv_id=%x",
2710 MAC2STR(peer), status, adv_id);
2711 } else {
2712 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
2713 " p2p_dev_addr=" MACSTR " status=%d",
2714 MAC2STR(peer), status);
2715 }
f65a239b 2716
dd8a7e05
JB		 2717 wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */,
2718 status, 0, 0);
2719}
2720
2721
e280110d
IP		 2722static int freq_included(struct wpa_supplicant *wpa_s,
2723 const struct p2p_channels *channels,
2724 unsigned int freq)
72728c6f 2725{
e280110d
IP		 2726 if ((channels == NULL || p2p_channels_includes_freq(channels, freq)) &&
2727 wpas_p2p_go_is_peer_freq(wpa_s, freq))
2728 return 1;
2729 return 0;
72728c6f
SL		 2730}
2731
2732
5e1f4805
IP		 2733static void wpas_p2p_go_update_common_freqs(struct wpa_supplicant *wpa_s)
2734{
2735 unsigned int num = P2P_MAX_CHANNELS;
2736 int *common_freqs;
2737 int ret;
2738
2739 p2p_go_dump_common_freqs(wpa_s);
2740 common_freqs = os_calloc(num, sizeof(int));
2741 if (!common_freqs)
2742 return;
2743
2744 ret = p2p_group_get_common_freqs(wpa_s->p2p_group, common_freqs, &num);
2745 if (ret < 0) {
2746 wpa_dbg(wpa_s, MSG_DEBUG,
2747 "P2P: Failed to get group common freqs");
2748 os_free(common_freqs);
2749 return;
2750 }
2751
2752 os_free(wpa_s->p2p_group_common_freqs);
2753 wpa_s->p2p_group_common_freqs = common_freqs;
2754 wpa_s->p2p_group_common_freqs_num = num;
2755 p2p_go_dump_common_freqs(wpa_s);
2756}
2757
2758
1a471ff0
IP		 2759/*
2760 * Check if the given frequency is one of the possible operating frequencies
2761 * set after the completion of the GO Negotiation.
2762 */
2763static int wpas_p2p_go_is_peer_freq(struct wpa_supplicant *wpa_s, int freq)
2764{
2765 unsigned int i;
2766
2767 p2p_go_dump_common_freqs(wpa_s);
2768
2769 /* assume no restrictions */
2770 if (!wpa_s->p2p_group_common_freqs_num)
2771 return 1;
2772
2773 for (i = 0; i < wpa_s->p2p_group_common_freqs_num; i++) {
2774 if (wpa_s->p2p_group_common_freqs[i] == freq)
2775 return 1;
2776 }
2777 return 0;
2778}
2779
2780
98b05081
AO		 2781static int wpas_sta_check_ecsa(struct hostapd_data *hapd,
2782 struct sta_info *sta, void *ctx)
2783{
2784 int *ecsa_support = ctx;
2785
2786 *ecsa_support &= sta->ecsa_supported;
2787
2788 return 0;
2789}
2790
2791
2792/* Check if all the peers support eCSA */
2793static int wpas_p2p_go_clients_support_ecsa(struct wpa_supplicant *wpa_s)
2794{
2795 int ecsa_support = 1;
2796
2797 ap_for_each_sta(wpa_s->ap_iface->bss[0], wpas_sta_check_ecsa,
2798 &ecsa_support);
2799
2800 return ecsa_support;
2801}
2802
2803
a0c90bb0
IP		 2804/**
2805 * Pick the best frequency to use from all the currently used frequencies.
2806 */
2807static int wpas_p2p_pick_best_used_freq(struct wpa_supplicant *wpa_s,
2808 struct wpa_used_freq_data *freqs,
2809 unsigned int num)
2810{
2811 unsigned int i, c;
2812
2813 /* find a candidate freq that is supported by P2P */
2814 for (c = 0; c < num; c++)
2815 if (p2p_supported_freq(wpa_s->global->p2p, freqs[c].freq))
2816 break;
2817
2818 if (c == num)
2819 return 0;
2820
2821 /* once we have a candidate, try to find a 'better' one */
2822 for (i = c + 1; i < num; i++) {
2823 if (!p2p_supported_freq(wpa_s->global->p2p, freqs[i].freq))
2824 continue;
2825
2826 /*
2827 * 1. Infrastructure station interfaces have higher preference.
2828 * 2. P2P Clients have higher preference.
2829 * 3. All others.
2830 */
2831 if (freqs[i].flags & WPA_FREQ_USED_BY_INFRA_STATION) {
2832 c = i;
2833 break;
2834 }
2835
2836 if ((freqs[i].flags & WPA_FREQ_USED_BY_P2P_CLIENT))
2837 c = i;
2838 }
2839 return freqs[c].freq;
2840}
2841
2842
b22128ef
JM		 2843static u8 wpas_invitation_process(void *ctx, const u8 *sa, const u8 *bssid,
2844 const u8 *go_dev_addr, const u8 *ssid,
2845 size_t ssid_len, int *go, u8 *group_bssid,
72728c6f 2846 int *force_freq, int persistent_group,
8e9f53c3
JM		 2847 const struct p2p_channels *channels,
2848 int dev_pw_id)
b22128ef
JM		 2849{
2850 struct wpa_supplicant *wpa_s = ctx;
2851 struct wpa_ssid *s;
a0c90bb0 2852 struct wpa_used_freq_data *freqs;
ab72eb52 2853 struct wpa_supplicant *grp;
a0c90bb0 2854 int best_freq;
b22128ef
JM		 2855
2856 if (!persistent_group) {
2857 wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
c48414af
JM		 2858 " to join an active group (SSID: %s)",
2859 MAC2STR(sa), wpa_ssid_txt(ssid, ssid_len));
108def93 2860 if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) &&
131cb37c
JM		 2861 (os_memcmp(go_dev_addr, wpa_s->p2p_auth_invite, ETH_ALEN)
2862 == 0 ||
2863 os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0)) {
108def93
JM		 2864 wpa_printf(MSG_DEBUG, "P2P: Accept previously "
2865 "authorized invitation");
2866 goto accept_inv;
2867 }
8e9f53c3
JM		 2868
2869#ifdef CONFIG_WPS_NFC
57ae1f5b
DS		 2870 if (dev_pw_id >= 0 && wpa_s->p2p_nfc_tag_enabled &&
2871 dev_pw_id == wpa_s->p2p_oob_dev_pw_id) {
8e9f53c3 2872 wpa_printf(MSG_DEBUG, "P2P: Accept invitation based on local enabled NFC Tag");
57ae1f5b
DS		 2873 wpa_s->p2p_wps_method = WPS_NFC;
2874 wpa_s->pending_join_wps_method = WPS_NFC;
2875 os_memcpy(wpa_s->pending_join_dev_addr,
8e9f53c3 2876 go_dev_addr, ETH_ALEN);
57ae1f5b 2877 os_memcpy(wpa_s->pending_join_iface_addr,
8e9f53c3
JM		 2878 bssid, ETH_ALEN);
2879 goto accept_inv;
2880 }
2881#endif /* CONFIG_WPS_NFC */
2882
b22128ef
JM		 2883 /*
2884 * Do not accept the invitation automatically; notify user and
2885 * request approval.
2886 */
2887 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
2888 }
2889
ab72eb52
JM		 2890 grp = wpas_get_p2p_group(wpa_s, ssid, ssid_len, go);
2891 if (grp) {
2892 wpa_printf(MSG_DEBUG, "P2P: Accept invitation to already "
2893 "running persistent group");
2894 if (*go)
2895 os_memcpy(group_bssid, grp->own_addr, ETH_ALEN);
2896 goto accept_inv;
2897 }
2898
77e4e853
JM		 2899 if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) &&
2900 os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0) {
2901 wpa_printf(MSG_DEBUG, "P2P: Accept previously initiated "
2902 "invitation to re-invoke a persistent group");
829a1b32 2903 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
77e4e853 2904 } else if (!wpa_s->conf->persistent_reconnect)
b22128ef
JM		 2905 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
2906
2907 for (s = wpa_s->conf->ssid; s; s = s->next) {
2908 if (s->disabled == 2 &&
2909 os_memcmp(s->bssid, go_dev_addr, ETH_ALEN) == 0 &&
2910 s->ssid_len == ssid_len &&
2911 os_memcmp(ssid, s->ssid, ssid_len) == 0)
2912 break;
2913 }
2914
2915 if (!s) {
2916 wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
2917 " requested reinvocation of an unknown group",
2918 MAC2STR(sa));
2919 return P2P_SC_FAIL_UNKNOWN_GROUP;
2920 }
2921
2922 if (s->mode == WPAS_MODE_P2P_GO && !wpas_p2p_create_iface(wpa_s)) {
2923 *go = 1;
2924 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
2925 wpa_printf(MSG_DEBUG, "P2P: The only available "
2926 "interface is already in use - reject "
2927 "invitation");
2928 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
2929 }
96a26ab7
LD		 2930 if (wpa_s->p2p_mgmt)
2931 os_memcpy(group_bssid, wpa_s->parent->own_addr,
2932 ETH_ALEN);
2933 else
2934 os_memcpy(group_bssid, wpa_s->own_addr, ETH_ALEN);
b22128ef
JM		 2935 } else if (s->mode == WPAS_MODE_P2P_GO) {
2936 *go = 1;
2937 if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO) < 0)
2938 {
2939 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
2940 "interface address for the group");
2941 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
2942 }
2943 os_memcpy(group_bssid, wpa_s->pending_interface_addr,
2944 ETH_ALEN);
2945 }
2946
108def93 2947accept_inv:
6cb27aa8
JM		 2948 wpas_p2p_set_own_freq_preference(wpa_s, 0);
2949
a0c90bb0
IP		 2950 best_freq = 0;
2951 freqs = os_calloc(wpa_s->num_multichan_concurrent,
2952 sizeof(struct wpa_used_freq_data));
2953 if (freqs) {
2954 int num_channels = wpa_s->num_multichan_concurrent;
2955 int num = wpas_p2p_valid_oper_freqs(wpa_s, freqs, num_channels);
2956 best_freq = wpas_p2p_pick_best_used_freq(wpa_s, freqs, num);
2957 os_free(freqs);
2958 }
2959
0d08efa4 2960 /* Get one of the frequencies currently in use */
a0c90bb0 2961 if (best_freq > 0) {
21e491f2 2962 wpa_printf(MSG_DEBUG, "P2P: Trying to prefer a channel already used by one of the interfaces");
a0c90bb0 2963 wpas_p2p_set_own_freq_preference(wpa_s, best_freq);
21e491f2
JM		 2964
2965 if (wpa_s->num_multichan_concurrent < 2 ||
2966 wpas_p2p_num_unused_channels(wpa_s) < 1) {
2967 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 2968 *force_freq = best_freq;
21e491f2 2969 }
b22128ef
JM		 2970 }
2971
0d08efa4
IP		 2972 if (*force_freq > 0 && wpa_s->num_multichan_concurrent > 1 &&
2973 wpas_p2p_num_unused_channels(wpa_s) > 0) {
72728c6f
SL		 2974 if (*go == 0) {
2975 /* We are the client */
2976 wpa_printf(MSG_DEBUG, "P2P: Peer was found to be "
2977 "running a GO but we are capable of MCC, "
2978 "figure out the best channel to use");
2979 *force_freq = 0;
e280110d 2980 } else if (!freq_included(wpa_s, channels, *force_freq)) {
72728c6f
SL		 2981 /* We are the GO, and *force_freq is not in the
2982 * intersection */
2983 wpa_printf(MSG_DEBUG, "P2P: Forced GO freq %d MHz not "
2984 "in intersection but we are capable of MCC, "
2985 "figure out the best channel to use",
2986 *force_freq);
2987 *force_freq = 0;
2988 }
2989 }
2990
b22128ef
JM		 2991 return P2P_SC_SUCCESS;
2992}
2993
2994
2995static void wpas_invitation_received(void *ctx, const u8 *sa, const u8 *bssid,
2996 const u8 *ssid, size_t ssid_len,
2997 const u8 *go_dev_addr, u8 status,
2998 int op_freq)
2999{
3000 struct wpa_supplicant *wpa_s = ctx;
3001 struct wpa_ssid *s;
3002
3003 for (s = wpa_s->conf->ssid; s; s = s->next) {
3004 if (s->disabled == 2 &&
3005 s->ssid_len == ssid_len &&
3006 os_memcmp(ssid, s->ssid, ssid_len) == 0)
3007 break;
3008 }
3009
3010 if (status == P2P_SC_SUCCESS) {
3011 wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
c48414af
JM		 3012 " was accepted; op_freq=%d MHz, SSID=%s",
3013 MAC2STR(sa), op_freq, wpa_ssid_txt(ssid, ssid_len));
b22128ef 3014 if (s) {
2cd07584 3015 int go = s->mode == WPAS_MODE_P2P_GO;
b22128ef 3016 wpas_p2p_group_add_persistent(
c27f4c90 3017 wpa_s, s, go, 0, op_freq, 0, 0, 0, 0, NULL,
dfaf11d6
JM		 3018 go ? P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE : 0,
3019 1);
2049af2b 3020 } else if (bssid) {
67527166 3021 wpa_s->user_initiated_pd = 0;
108def93 3022 wpas_p2p_join(wpa_s, bssid, go_dev_addr,
23318bea 3023 wpa_s->p2p_wps_method, 0, op_freq,
c48414af 3024 ssid, ssid_len);
b22128ef
JM		 3025 }
3026 return;
3027 }
3028
3029 if (status != P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
3030 wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
3031 " was rejected (status %u)", MAC2STR(sa), status);
3032 return;
3033 }
3034
3035 if (!s) {
3036 if (bssid) {
92c4465b
JM		 3037 wpa_msg_global(wpa_s, MSG_INFO,
3038 P2P_EVENT_INVITATION_RECEIVED
3039 "sa=" MACSTR " go_dev_addr=" MACSTR
3040 " bssid=" MACSTR " unknown-network",
3041 MAC2STR(sa), MAC2STR(go_dev_addr),
3042 MAC2STR(bssid));
b22128ef 3043 } else {
92c4465b
JM		 3044 wpa_msg_global(wpa_s, MSG_INFO,
3045 P2P_EVENT_INVITATION_RECEIVED
3046 "sa=" MACSTR " go_dev_addr=" MACSTR
3047 " unknown-network",
3048 MAC2STR(sa), MAC2STR(go_dev_addr));
b22128ef 3049 }
be5ab8d4
MJ		 3050 wpas_notify_p2p_invitation_received(wpa_s, sa, go_dev_addr,
3051 bssid, 0, op_freq);
b22128ef
JM		 3052 return;
3053 }
3054
cd1e2309 3055 if (s->mode == WPAS_MODE_P2P_GO && op_freq) {
92c4465b
JM		 3056 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
3057 "sa=" MACSTR " persistent=%d freq=%d",
3058 MAC2STR(sa), s->id, op_freq);
cd1e2309 3059 } else {
92c4465b
JM		 3060 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
3061 "sa=" MACSTR " persistent=%d",
3062 MAC2STR(sa), s->id);
cd1e2309 3063 }
be5ab8d4
MJ		 3064 wpas_notify_p2p_invitation_received(wpa_s, sa, go_dev_addr, bssid,
3065 s->id, op_freq);
b22128ef
JM		 3066}
3067
3068
dbca75f8
JM		 3069static void wpas_remove_persistent_peer(struct wpa_supplicant *wpa_s,
3070 struct wpa_ssid *ssid,
f2c56602 3071 const u8 *peer, int inv)
dbca75f8
JM		 3072{
3073 size_t i;
b740401f 3074 struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s;
dbca75f8
JM		 3075
3076 if (ssid == NULL)
3077 return;
3078
3079 for (i = 0; ssid->p2p_client_list && i < ssid->num_p2p_clients; i++) {
79cd993a 3080 if (os_memcmp(ssid->p2p_client_list + i * 2 * ETH_ALEN, peer,
dbca75f8
JM		 3081 ETH_ALEN) == 0)
3082 break;
3083 }
8931a36c 3084 if (i >= ssid->num_p2p_clients || !ssid->p2p_client_list) {
dbca75f8
JM		 3085 if (ssid->mode != WPAS_MODE_P2P_GO &&
3086 os_memcmp(ssid->bssid, peer, ETH_ALEN) == 0) {
3087 wpa_printf(MSG_DEBUG, "P2P: Remove persistent group %d "
3088 "due to invitation result", ssid->id);
3089 wpas_notify_network_removed(wpa_s, ssid);
3090 wpa_config_remove_network(wpa_s->conf, ssid->id);
3091 return;
3092 }
3093 return; /* Peer not found in client list */
3094 }
3095
3096 wpa_printf(MSG_DEBUG, "P2P: Remove peer " MACSTR " from persistent "
f2c56602
JM		 3097 "group %d client list%s",
3098 MAC2STR(peer), ssid->id,
3099 inv ? " due to invitation result" : "");
79cd993a
ST		 3100 os_memmove(ssid->p2p_client_list + i * 2 * ETH_ALEN,
3101 ssid->p2p_client_list + (i + 1) * 2 * ETH_ALEN,
3102 (ssid->num_p2p_clients - i - 1) * 2 * ETH_ALEN);
dbca75f8 3103 ssid->num_p2p_clients--;
b740401f
IP		 3104 if (p2p_wpa_s->conf->update_config &&
3105 wpa_config_write(p2p_wpa_s->confname, p2p_wpa_s->conf))
dbca75f8 3106 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
dbca75f8
JM		 3107}
3108
3109
3110static void wpas_remove_persistent_client(struct wpa_supplicant *wpa_s,
3111 const u8 *peer)
3112{
3113 struct wpa_ssid *ssid;
3114
3115 wpa_s = wpa_s->global->p2p_invite_group;
3116 if (wpa_s == NULL)
3117 return; /* No known invitation group */
3118 ssid = wpa_s->current_ssid;
3119 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3120 !ssid->p2p_persistent_group)
3121 return; /* Not operating as a GO in persistent group */
ba307f85 3122 ssid = wpas_p2p_get_persistent(wpa_s->p2pdev, peer,
dbca75f8 3123 ssid->ssid, ssid->ssid_len);
f2c56602 3124 wpas_remove_persistent_peer(wpa_s, ssid, peer, 1);
dbca75f8
JM		 3125}
3126
3127
54733624 3128static void wpas_invitation_result(void *ctx, int status, const u8 *bssid,
dbca75f8 3129 const struct p2p_channels *channels,
41d5ce9e
RR		 3130 const u8 *peer, int neg_freq,
3131 int peer_oper_freq)
b22128ef
JM		 3132{
3133 struct wpa_supplicant *wpa_s = ctx;
3134 struct wpa_ssid *ssid;
41d5ce9e 3135 int freq;
b22128ef
JM		 3136
3137 if (bssid) {
92c4465b
JM		 3138 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
3139 "status=%d " MACSTR,
3140 status, MAC2STR(bssid));
b22128ef 3141 } else {
92c4465b
JM		 3142 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
3143 "status=%d ", status);
b22128ef 3144 }
5ccdf84f 3145 wpas_notify_p2p_invitation_result(wpa_s, status, bssid);
b22128ef 3146
dbca75f8
JM		 3147 wpa_printf(MSG_DEBUG, "P2P: Invitation result - status=%d peer=" MACSTR,
3148 status, MAC2STR(peer));
3149 if (wpa_s->pending_invite_ssid_id == -1) {
6cbbae2c
IP		 3150 struct wpa_supplicant *group_if =
3151 wpa_s->global->p2p_invite_group;
3152
dbca75f8
JM		 3153 if (status == P2P_SC_FAIL_UNKNOWN_GROUP)
3154 wpas_remove_persistent_client(wpa_s, peer);
6cbbae2c
IP		 3155
3156 /*
3157 * Invitation to an active group. If this is successful and we
3158 * are the GO, set the client wait to postpone some concurrent
3159 * operations and to allow provisioning and connection to happen
3160 * more quickly.
3161 */
3162 if (status == P2P_SC_SUCCESS &&
3163 group_if && group_if->current_ssid &&
ed7820b4 3164 group_if->current_ssid->mode == WPAS_MODE_P2P_GO) {
6cbbae2c 3165 os_get_reltime(&wpa_s->global->p2p_go_wait_client);
ed7820b4
IP		 3166#ifdef CONFIG_TESTING_OPTIONS
3167 if (group_if->p2p_go_csa_on_inv) {
3168 wpa_printf(MSG_DEBUG,
3169 "Testing: force P2P GO CSA after invitation");
3170 eloop_cancel_timeout(
3171 wpas_p2p_reconsider_moving_go,
3172 wpa_s, NULL);
3173 eloop_register_timeout(
3174 0, 50000,
3175 wpas_p2p_reconsider_moving_go,
3176 wpa_s, NULL);
3177 }
3178#endif /* CONFIG_TESTING_OPTIONS */
3179 }
6cbbae2c 3180 return;
dbca75f8 3181 }
706887fc 3182
77e4e853
JM		 3183 if (status == P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
3184 wpa_printf(MSG_DEBUG, "P2P: Waiting for peer to start another "
3185 "invitation exchange to indicate readiness for "
3186 "re-invocation");
3187 }
3188
b22128ef 3189 if (status != P2P_SC_SUCCESS) {
dbca75f8
JM		 3190 if (status == P2P_SC_FAIL_UNKNOWN_GROUP) {
3191 ssid = wpa_config_get_network(
3192 wpa_s->conf, wpa_s->pending_invite_ssid_id);
f2c56602 3193 wpas_remove_persistent_peer(wpa_s, ssid, peer, 1);
dbca75f8 3194 }
b22128ef
JM		 3195 wpas_p2p_remove_pending_group_interface(wpa_s);
3196 return;
3197 }
3198
3199 ssid = wpa_config_get_network(wpa_s->conf,
3200 wpa_s->pending_invite_ssid_id);
3201 if (ssid == NULL) {
3202 wpa_printf(MSG_ERROR, "P2P: Could not find persistent group "
3203 "data matching with invitation");
3204 return;
3205 }
3206
13ece96f
JM		 3207 /*
3208 * The peer could have missed our ctrl::ack frame for Invitation
3209 * Response and continue retransmitting the frame. To reduce the
3210 * likelihood of the peer not getting successful TX status for the
3211 * Invitation Response frame, wait a short time here before starting
3212 * the persistent group so that we will remain on the current channel to
3213 * acknowledge any possible retransmission from the peer.
3214 */
3215 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: 50 ms wait on current channel before "
3216 "starting persistent group");
3217 os_sleep(0, 50000);
3218
41d5ce9e 3219 if (neg_freq > 0 && ssid->mode == WPAS_MODE_P2P_GO &&
e280110d 3220 freq_included(wpa_s, channels, neg_freq))
41d5ce9e
RR		 3221 freq = neg_freq;
3222 else if (peer_oper_freq > 0 && ssid->mode != WPAS_MODE_P2P_GO &&
e280110d 3223 freq_included(wpa_s, channels, peer_oper_freq))
41d5ce9e
RR		 3224 freq = peer_oper_freq;
3225 else
3226 freq = 0;
3227
3228 wpa_printf(MSG_DEBUG, "P2P: Persistent group invitation success - op_freq=%d MHz SSID=%s",
3229 freq, wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
b22128ef 3230 wpas_p2p_group_add_persistent(wpa_s, ssid,
4d32c0c4 3231 ssid->mode == WPAS_MODE_P2P_GO,
062a7c0d 3232 wpa_s->p2p_persistent_go_freq,
41d5ce9e 3233 freq,
c27f4c90 3234 wpa_s->p2p_go_vht_center_freq2,
20ea1ca4 3235 wpa_s->p2p_go_ht40, wpa_s->p2p_go_vht,
c27f4c90 3236 wpa_s->p2p_go_max_oper_chwidth,
20ea1ca4 3237 channels,
bbc6c729
JM		 3238 ssid->mode == WPAS_MODE_P2P_GO ?
3239 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE :
dfaf11d6 3240 0, 1);
b22128ef
JM		 3241}
3242
3243
6f3bc72b
JM		 3244static int wpas_p2p_disallowed_freq(struct wpa_global *global,
3245 unsigned int freq)
3246{
253f2e37
AH		 3247 if (freq_range_list_includes(&global->p2p_go_avoid_freq, freq))
3248 return 1;
af8a827b 3249 return freq_range_list_includes(&global->p2p_disallow_freq, freq);
6f3bc72b
JM		 3250}
3251
3252
3253static void wpas_p2p_add_chan(struct p2p_reg_class *reg, u8 chan)
3254{
3255 reg->channel[reg->channels] = chan;
3256 reg->channels++;
3257}
3258
3259
ac8d1011 3260static int wpas_p2p_default_channels(struct wpa_supplicant *wpa_s,
51e9f228
JM		 3261 struct p2p_channels *chan,
3262 struct p2p_channels *cli_chan)
ac8d1011
JM		 3263{
3264 int i, cla = 0;
3265
7475d299
JM		 3266 wpa_s->global->p2p_24ghz_social_channels = 1;
3267
51e9f228
JM		 3268 os_memset(cli_chan, 0, sizeof(*cli_chan));
3269
ac8d1011
JM		 3270 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for 2.4 GHz "
3271 "band");
3272
3273 /* Operating class 81 - 2.4 GHz band channels 1..13 */
3274 chan->reg_class[cla].reg_class = 81;
6f3bc72b
JM		 3275 chan->reg_class[cla].channels = 0;
3276 for (i = 0; i < 11; i++) {
3277 if (!wpas_p2p_disallowed_freq(wpa_s->global, 2412 + i * 5))
3278 wpas_p2p_add_chan(&chan->reg_class[cla], i + 1);
3279 }
3280 if (chan->reg_class[cla].channels)
3281 cla++;
ac8d1011
JM		 3282
3283 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for lower 5 GHz "
3284 "band");
3285
3286 /* Operating class 115 - 5 GHz, channels 36-48 */
3287 chan->reg_class[cla].reg_class = 115;
6f3bc72b
JM		 3288 chan->reg_class[cla].channels = 0;
3289 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 36 * 5))
3290 wpas_p2p_add_chan(&chan->reg_class[cla], 36);
3291 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 40 * 5))
3292 wpas_p2p_add_chan(&chan->reg_class[cla], 40);
3293 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 44 * 5))
3294 wpas_p2p_add_chan(&chan->reg_class[cla], 44);
3295 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 48 * 5))
3296 wpas_p2p_add_chan(&chan->reg_class[cla], 48);
3297 if (chan->reg_class[cla].channels)
3298 cla++;
ac8d1011
JM		 3299
3300 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for higher 5 GHz "
3301 "band");
3302
3303 /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
3304 chan->reg_class[cla].reg_class = 124;
6f3bc72b
JM		 3305 chan->reg_class[cla].channels = 0;
3306 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 149 * 5))
3307 wpas_p2p_add_chan(&chan->reg_class[cla], 149);
3308 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 153 * 5))
3309 wpas_p2p_add_chan(&chan->reg_class[cla], 153);
3310 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 156 * 5))
3311 wpas_p2p_add_chan(&chan->reg_class[cla], 157);
3312 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 161 * 5))
3313 wpas_p2p_add_chan(&chan->reg_class[cla], 161);
3314 if (chan->reg_class[cla].channels)
3315 cla++;
ac8d1011
JM		 3316
3317 chan->reg_classes = cla;
3318 return 0;
3319}
3320
3321
51e9f228 3322enum chan_allowed {
0a443580 3323 NOT_ALLOWED, NO_IR, ALLOWED
51e9f228
JM		 3324};
3325
6f3bc72b
JM		 3326static int has_channel(struct wpa_global *global,
3327 struct hostapd_hw_modes *mode, u8 chan, int *flags)
ac8d1011
JM		 3328{
3329 int i;
6f3bc72b
JM		 3330 unsigned int freq;
3331
3332 freq = (mode->mode == HOSTAPD_MODE_IEEE80211A ? 5000 : 2407) +
3333 chan * 5;
3334 if (wpas_p2p_disallowed_freq(global, freq))
51e9f228 3335 return NOT_ALLOWED;
ac8d1011
JM		 3336
3337 for (i = 0; i < mode->num_channels; i++) {
3338 if (mode->channels[i].chan == chan) {
51222429
JM		 3339 if (flags)
3340 *flags = mode->channels[i].flag;
51e9f228
JM		 3341 if (mode->channels[i].flag &
3342 (HOSTAPD_CHAN_DISABLED |
3343 HOSTAPD_CHAN_RADAR))
3344 return NOT_ALLOWED;
0a443580
IP		 3345 if (mode->channels[i].flag & HOSTAPD_CHAN_NO_IR)
3346 return NO_IR;
51e9f228 3347 return ALLOWED;
ac8d1011
JM		 3348 }
3349 }
3350
51e9f228 3351 return NOT_ALLOWED;
ac8d1011
JM		 3352}
3353
3354
ca9bc5b5
EP		 3355static int wpas_p2p_get_center_80mhz(struct wpa_supplicant *wpa_s,
3356 struct hostapd_hw_modes *mode,
3357 u8 channel)
3358{
3359 u8 center_channels[] = { 42, 58, 106, 122, 138, 155 };
3360 unsigned int i;
3361
3362 if (mode->mode != HOSTAPD_MODE_IEEE80211A)
3363 return 0;
3364
3365 for (i = 0; i < ARRAY_SIZE(center_channels); i++)
3366 /*
3367 * In 80 MHz, the bandwidth "spans" 12 channels (e.g., 36-48),
3368 * so the center channel is 6 channels away from the start/end.
3369 */
3370 if (channel >= center_channels[i] - 6 &&
3371 channel <= center_channels[i] + 6)
3372 return center_channels[i];
3373
3374 return 0;
3375}
3376
3377
3378static enum chan_allowed wpas_p2p_verify_80mhz(struct wpa_supplicant *wpa_s,
3379 struct hostapd_hw_modes *mode,
3380 u8 channel, u8 bw)
3381{
3382 u8 center_chan;
3383 int i, flags;
3384 enum chan_allowed res, ret = ALLOWED;
3385
3386 center_chan = wpas_p2p_get_center_80mhz(wpa_s, mode, channel);
3387 if (!center_chan)
3388 return NOT_ALLOWED;
3389 if (center_chan >= 58 && center_chan <= 138)
3390 return NOT_ALLOWED; /* Do not allow DFS channels for P2P */
3391
3392 /* check all the channels are available */
3393 for (i = 0; i < 4; i++) {
3394 int adj_chan = center_chan - 6 + i * 4;
3395
3396 res = has_channel(wpa_s->global, mode, adj_chan, &flags);
3397 if (res == NOT_ALLOWED)
3398 return NOT_ALLOWED;
0a443580
IP		 3399 if (res == NO_IR)
3400 ret = NO_IR;
ca9bc5b5
EP		 3401
3402 if (i == 0 && !(flags & HOSTAPD_CHAN_VHT_10_70))
3403 return NOT_ALLOWED;
3404 if (i == 1 && !(flags & HOSTAPD_CHAN_VHT_30_50))
3405 return NOT_ALLOWED;
3406 if (i == 2 && !(flags & HOSTAPD_CHAN_VHT_50_30))
3407 return NOT_ALLOWED;
3408 if (i == 3 && !(flags & HOSTAPD_CHAN_VHT_70_10))
3409 return NOT_ALLOWED;
3410 }
3411
3412 return ret;
3413}
3414
3415
bee5d8e0
AK		 3416static int wpas_p2p_get_center_160mhz(struct wpa_supplicant *wpa_s,
3417 struct hostapd_hw_modes *mode,
3418 u8 channel)
3419{
3420 u8 center_channels[] = { 50, 114 };
3421 unsigned int i;
3422
3423 if (mode->mode != HOSTAPD_MODE_IEEE80211A)
3424 return 0;
3425
3426 for (i = 0; i < ARRAY_SIZE(center_channels); i++)
3427 /*
3428 * In 160 MHz, the bandwidth "spans" 28 channels (e.g., 36-64),
3429 * so the center channel is 14 channels away from the start/end.
3430 */
3431 if (channel >= center_channels[i] - 14 &&
3432 channel <= center_channels[i] + 14)
3433 return center_channels[i];
3434
3435 return 0;
3436}
3437
3438
3439static enum chan_allowed wpas_p2p_verify_160mhz(struct wpa_supplicant *wpa_s,
3440 struct hostapd_hw_modes *mode,
3441 u8 channel, u8 bw)
3442{
3443 u8 center_chan;
3444 int i, flags;
3445 enum chan_allowed res, ret = ALLOWED;
3446
3447 center_chan = wpas_p2p_get_center_160mhz(wpa_s, mode, channel);
3448 if (!center_chan)
3449 return NOT_ALLOWED;
3450 /* VHT 160 MHz uses DFS channels in most countries. */
3451
3452 /* Check all the channels are available */
3453 for (i = 0; i < 8; i++) {
3454 int adj_chan = center_chan - 14 + i * 4;
3455
3456 res = has_channel(wpa_s->global, mode, adj_chan, &flags);
3457 if (res == NOT_ALLOWED)
3458 return NOT_ALLOWED;
3459
3460 if (res == NO_IR)
3461 ret = NO_IR;
3462
3463 if (i == 0 && !(flags & HOSTAPD_CHAN_VHT_10_150))
3464 return NOT_ALLOWED;
3465 if (i == 1 && !(flags & HOSTAPD_CHAN_VHT_30_130))
3466 return NOT_ALLOWED;
3467 if (i == 2 && !(flags & HOSTAPD_CHAN_VHT_50_110))
3468 return NOT_ALLOWED;
3469 if (i == 3 && !(flags & HOSTAPD_CHAN_VHT_70_90))
3470 return NOT_ALLOWED;
3471 if (i == 4 && !(flags & HOSTAPD_CHAN_VHT_90_70))
3472 return NOT_ALLOWED;
3473 if (i == 5 && !(flags & HOSTAPD_CHAN_VHT_110_50))
3474 return NOT_ALLOWED;
3475 if (i == 6 && !(flags & HOSTAPD_CHAN_VHT_130_30))
3476 return NOT_ALLOWED;
3477 if (i == 7 && !(flags & HOSTAPD_CHAN_VHT_150_10))
3478 return NOT_ALLOWED;
3479 }
3480
3481 return ret;
3482}
3483
3484
51e9f228
JM		 3485static enum chan_allowed wpas_p2p_verify_channel(struct wpa_supplicant *wpa_s,
3486 struct hostapd_hw_modes *mode,
3487 u8 channel, u8 bw)
931228aa 3488{
cbf21c7c 3489 int flag = 0;
51e9f228
JM		 3490 enum chan_allowed res, res2;
3491
3492 res2 = res = has_channel(wpa_s->global, mode, channel, &flag);
3493 if (bw == BW40MINUS) {
3494 if (!(flag & HOSTAPD_CHAN_HT40MINUS))
3495 return NOT_ALLOWED;
3496 res2 = has_channel(wpa_s->global, mode, channel - 4, NULL);
3497 } else if (bw == BW40PLUS) {
3498 if (!(flag & HOSTAPD_CHAN_HT40PLUS))
3499 return NOT_ALLOWED;
3500 res2 = has_channel(wpa_s->global, mode, channel + 4, NULL);
ca9bc5b5
EP		 3501 } else if (bw == BW80) {
3502 res2 = wpas_p2p_verify_80mhz(wpa_s, mode, channel, bw);
bee5d8e0
AK		 3503 } else if (bw == BW160) {
3504 res2 = wpas_p2p_verify_160mhz(wpa_s, mode, channel, bw);
51e9f228
JM		 3505 }
3506
3507 if (res == NOT_ALLOWED || res2 == NOT_ALLOWED)
3508 return NOT_ALLOWED;
0a443580
IP		 3509 if (res == NO_IR || res2 == NO_IR)
3510 return NO_IR;
51e9f228 3511 return res;
931228aa
RM		 3512}
3513
3514
b22128ef 3515static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s,
51e9f228
JM		 3516 struct p2p_channels *chan,
3517 struct p2p_channels *cli_chan)
b22128ef 3518{
6bf731e8 3519 struct hostapd_hw_modes *mode;
51e9f228 3520 int cla, op, cli_cla;
b22128ef 3521
6bf731e8 3522 if (wpa_s->hw.modes == NULL) {
b22128ef
JM		 3523 wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching "
3524 "of all supported channels; assume dualband "
3525 "support");
51e9f228 3526 return wpas_p2p_default_channels(wpa_s, chan, cli_chan);
b22128ef
JM		 3527 }
3528
51e9f228 3529 cla = cli_cla = 0;
b22128ef 3530
7d46f586
AS		 3531 for (op = 0; global_op_class[op].op_class; op++) {
3532 const struct oper_class_map *o = &global_op_class[op];
ac8d1011 3533 u8 ch;
51e9f228 3534 struct p2p_reg_class *reg = NULL, *cli_reg = NULL;
b22128ef 3535
7d46f586
AS		 3536 if (o->p2p == NO_P2P_SUPP)
3537 continue;
3538
6bf731e8 3539 mode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes, o->mode);
ac8d1011
JM		 3540 if (mode == NULL)
3541 continue;
7475d299
JM		 3542 if (mode->mode == HOSTAPD_MODE_IEEE80211G)
3543 wpa_s->global->p2p_24ghz_social_channels = 1;
ac8d1011 3544 for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
51e9f228
JM		 3545 enum chan_allowed res;
3546 res = wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw);
3547 if (res == ALLOWED) {
3548 if (reg == NULL) {
3549 wpa_printf(MSG_DEBUG, "P2P: Add operating class %u",
3550 o->op_class);
3551 reg = &chan->reg_class[cla];
3552 cla++;
3553 reg->reg_class = o->op_class;
3554 }
3555 reg->channel[reg->channels] = ch;
3556 reg->channels++;
0a443580 3557 } else if (res == NO_IR &&
51e9f228
JM		 3558 wpa_s->conf->p2p_add_cli_chan) {
3559 if (cli_reg == NULL) {
3560 wpa_printf(MSG_DEBUG, "P2P: Add operating class %u (client only)",
3561 o->op_class);
3562 cli_reg = &cli_chan->reg_class[cli_cla];
3563 cli_cla++;
3564 cli_reg->reg_class = o->op_class;
3565 }
3566 cli_reg->channel[cli_reg->channels] = ch;
3567 cli_reg->channels++;
ac8d1011 3568 }
ac8d1011
JM		 3569 }
3570 if (reg) {
3571 wpa_hexdump(MSG_DEBUG, "P2P: Channels",
3572 reg->channel, reg->channels);
3573 }
51e9f228
JM		 3574 if (cli_reg) {
3575 wpa_hexdump(MSG_DEBUG, "P2P: Channels (client only)",
3576 cli_reg->channel, cli_reg->channels);
3577 }
b22128ef
JM		 3578 }
3579
ac8d1011 3580 chan->reg_classes = cla;
51e9f228 3581 cli_chan->reg_classes = cli_cla;
b22128ef 3582
b22128ef
JM		 3583 return 0;
3584}
3585
3586
7aeac985
RM		 3587int wpas_p2p_get_ht40_mode(struct wpa_supplicant *wpa_s,
3588 struct hostapd_hw_modes *mode, u8 channel)
3589{
51e9f228
JM		 3590 int op;
3591 enum chan_allowed ret;
7aeac985 3592
7d46f586
AS		 3593 for (op = 0; global_op_class[op].op_class; op++) {
3594 const struct oper_class_map *o = &global_op_class[op];
7aeac985
RM		 3595 u8 ch;
3596
7d46f586
AS		 3597 if (o->p2p == NO_P2P_SUPP)
3598 continue;
3599
7aeac985
RM		 3600 for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
3601 if (o->mode != HOSTAPD_MODE_IEEE80211A ||
e4a80d89
EP		 3602 (o->bw != BW40PLUS && o->bw != BW40MINUS) ||
3603 ch != channel)
7aeac985
RM		 3604 continue;
3605 ret = wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw);
51e9f228 3606 if (ret == ALLOWED)
7aeac985 3607 return (o->bw == BW40MINUS) ? -1 : 1;
7aeac985
RM		 3608 }
3609 }
3610 return 0;
3611}
3612
3613
ca9bc5b5
EP		 3614int wpas_p2p_get_vht80_center(struct wpa_supplicant *wpa_s,
3615 struct hostapd_hw_modes *mode, u8 channel)
3616{
3617 if (!wpas_p2p_verify_channel(wpa_s, mode, channel, BW80))
3618 return 0;
3619
3620 return wpas_p2p_get_center_80mhz(wpa_s, mode, channel);
3621}
3622
3623
bee5d8e0
AK		 3624int wpas_p2p_get_vht160_center(struct wpa_supplicant *wpa_s,
3625 struct hostapd_hw_modes *mode, u8 channel)
3626{
3627 if (!wpas_p2p_verify_channel(wpa_s, mode, channel, BW160))
3628 return 0;
3629 return wpas_p2p_get_center_160mhz(wpa_s, mode, channel);
3630}
3631
3632
b22128ef
JM		 3633static int wpas_get_noa(void *ctx, const u8 *interface_addr, u8 *buf,
3634 size_t buf_len)
3635{
3636 struct wpa_supplicant *wpa_s = ctx;
3637
3638 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3639 if (os_memcmp(wpa_s->own_addr, interface_addr, ETH_ALEN) == 0)
3640 break;
3641 }
3642 if (wpa_s == NULL)
3643 return -1;
3644
3645 return wpa_drv_get_noa(wpa_s, buf, buf_len);
3646}
3647
3648
6f04642f
TB		 3649struct wpa_supplicant * wpas_get_p2p_go_iface(struct wpa_supplicant *wpa_s,
3650 const u8 *ssid, size_t ssid_len)
b1aebbc4 3651{
6f04642f
TB		 3652 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3653 struct wpa_ssid *s = wpa_s->current_ssid;
3654 if (s == NULL)
3655 continue;
3656 if (s->mode != WPAS_MODE_P2P_GO &&
3657 s->mode != WPAS_MODE_AP &&
3658 s->mode != WPAS_MODE_P2P_GROUP_FORMATION)
3659 continue;
3660 if (s->ssid_len != ssid_len ||
af65bc36 3661 os_memcmp(ssid, s->ssid, ssid_len) != 0)
6f04642f
TB		 3662 continue;
3663 return wpa_s;
3664 }
3665
3666 return NULL;
3667
3668}
3669
b1aebbc4 3670
6f04642f
TB		 3671struct wpa_supplicant * wpas_get_p2p_client_iface(struct wpa_supplicant *wpa_s,
3672 const u8 *peer_dev_addr)
3673{
b1aebbc4
JM		 3674 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3675 struct wpa_ssid *ssid = wpa_s->current_ssid;
9f59fe8d 3676 if (ssid && (ssid->mode != WPAS_MODE_INFRA || !ssid->p2p_group))
b1aebbc4 3677 continue;
6f04642f
TB		 3678 if (os_memcmp(wpa_s->go_dev_addr, peer_dev_addr, ETH_ALEN) == 0)
3679 return wpa_s;
b1aebbc4
JM		 3680 }
3681
6f04642f
TB		 3682 return NULL;
3683}
3684
3685
3686static int wpas_go_connected(void *ctx, const u8 *dev_addr)
3687{
3688 struct wpa_supplicant *wpa_s = ctx;
3689
3690 return wpas_get_p2p_client_iface(wpa_s, dev_addr) != NULL;
b1aebbc4
JM		 3691}
3692
3693
a2d63657
RR		 3694static int wpas_is_concurrent_session_active(void *ctx)
3695{
3696 struct wpa_supplicant *wpa_s = ctx;
3697 struct wpa_supplicant *ifs;
3698
3699 for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) {
3700 if (ifs == wpa_s)
3701 continue;
3702 if (ifs->wpa_state > WPA_ASSOCIATED)
3703 return 1;
3704 }
3705 return 0;
3706}
3707
3708
ed496f13
JM		 3709static void wpas_p2p_debug_print(void *ctx, int level, const char *msg)
3710{
3711 struct wpa_supplicant *wpa_s = ctx;
92c4465b 3712 wpa_msg_global(wpa_s, level, "P2P: %s", msg);
ed496f13
JM		 3713}
3714
3715
f1a61311
JM		 3716int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant *wpa_s,
3717 const char *conf_p2p_dev)
c68f6200
AS		 3718{
3719 struct wpa_interface iface;
3720 struct wpa_supplicant *p2pdev_wpa_s;
3721 char ifname[100];
3722 char force_name[100];
3723 int ret;
3724
1d399771
JM		 3725 ret = os_snprintf(ifname, sizeof(ifname), P2P_MGMT_DEVICE_PREFIX "%s",
3726 wpa_s->ifname);
3727 if (os_snprintf_error(sizeof(ifname), ret))
3728 return -1;
c68f6200
AS		 3729 force_name[0] = '\0';
3730 wpa_s->pending_interface_type = WPA_IF_P2P_DEVICE;
3731 ret = wpa_drv_if_add(wpa_s, WPA_IF_P2P_DEVICE, ifname, NULL, NULL,
3732 force_name, wpa_s->pending_interface_addr, NULL);
3733 if (ret < 0) {
3734 wpa_printf(MSG_DEBUG, "P2P: Failed to create P2P Device interface");
3735 return ret;
3736 }
3737 os_strlcpy(wpa_s->pending_interface_name, ifname,
3738 sizeof(wpa_s->pending_interface_name));
3739
3740 os_memset(&iface, 0, sizeof(iface));
3741 iface.p2p_mgmt = 1;
3742 iface.ifname = wpa_s->pending_interface_name;
3743 iface.driver = wpa_s->driver->name;
c68f6200 3744 iface.driver_param = wpa_s->conf->driver_param;
c16a7590
IP		 3745
3746 /*
3747 * If a P2P Device configuration file was given, use it as the interface
3748 * configuration file (instead of using parent's configuration file.
3749 */
f1a61311
JM		 3750 if (conf_p2p_dev) {
3751 iface.confname = conf_p2p_dev;
c16a7590
IP		 3752 iface.ctrl_interface = NULL;
3753 } else {
3754 iface.confname = wpa_s->confname;
3755 iface.ctrl_interface = wpa_s->conf->ctrl_interface;
3756 }
c16a7590 3757
1772d348 3758 p2pdev_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface, wpa_s);
c68f6200
AS		 3759 if (!p2pdev_wpa_s) {
3760 wpa_printf(MSG_DEBUG, "P2P: Failed to add P2P Device interface");
3761 return -1;
3762 }
3763
96a26ab7 3764 p2pdev_wpa_s->p2pdev = p2pdev_wpa_s;
c68f6200
AS		 3765 wpa_s->pending_interface_name[0] = '\0';
3766 return 0;
3767}
3768
3769
c64e3a08
JM		 3770static void wpas_presence_resp(void *ctx, const u8 *src, u8 status,
3771 const u8 *noa, size_t noa_len)
3772{
3773 struct wpa_supplicant *wpa_s, *intf = ctx;
3774 char hex[100];
3775
3776 for (wpa_s = intf->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3777 if (wpa_s->waiting_presence_resp)
3778 break;
3779 }
3780 if (!wpa_s) {
3781 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No group interface was waiting for presence response");
3782 return;
3783 }
3784 wpa_s->waiting_presence_resp = 0;
3785
3786 wpa_snprintf_hex(hex, sizeof(hex), noa, noa_len);
3787 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PRESENCE_RESPONSE "src=" MACSTR
3788 " status=%u noa=%s", MAC2STR(src), status, hex);
3789}
3790
3791
369678ad
KV		 3792static int wpas_get_persistent_group(void *ctx, const u8 *addr, const u8 *ssid,
3793 size_t ssid_len, u8 *go_dev_addr,
1f1a08b4
AO		 3794 u8 *ret_ssid, size_t *ret_ssid_len,
3795 u8 *intended_iface_addr)
369678ad
KV		 3796{
3797 struct wpa_supplicant *wpa_s = ctx;
3798 struct wpa_ssid *s;
3799
3800 s = wpas_p2p_get_persistent(wpa_s, addr, ssid, ssid_len);
3801 if (s) {
3802 os_memcpy(ret_ssid, s->ssid, s->ssid_len);
3803 *ret_ssid_len = s->ssid_len;
3804 os_memcpy(go_dev_addr, s->bssid, ETH_ALEN);
1f1a08b4
AO		 3805
3806 if (s->mode != WPAS_MODE_P2P_GO) {
3807 os_memset(intended_iface_addr, 0, ETH_ALEN);
3808 } else if (wpas_p2p_create_iface(wpa_s)) {
3809 if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO))
3810 return 0;
3811
3812 os_memcpy(intended_iface_addr,
3813 wpa_s->pending_interface_addr, ETH_ALEN);
3814 } else {
3815 os_memcpy(intended_iface_addr, wpa_s->own_addr,
3816 ETH_ALEN);
3817 }
369678ad
KV		 3818 return 1;
3819 }
3820
3821 return 0;
3822}
3823
3824
3825static int wpas_get_go_info(void *ctx, u8 *intended_addr,
ebd32943
IP		 3826 u8 *ssid, size_t *ssid_len, int *group_iface,
3827 unsigned int *freq)
369678ad
KV		 3828{
3829 struct wpa_supplicant *wpa_s = ctx;
ebd32943 3830 struct wpa_supplicant *go;
369678ad 3831 struct wpa_ssid *s;
369678ad 3832
5cc6ec0f
AO		 3833 /*
3834 * group_iface will be set to 1 only if a dedicated interface for P2P
3835 * role is required. First, we try to reuse an active GO. However,
3836 * if it is not present, we will try to reactivate an existing
3837 * persistent group and set group_iface to 1, so the caller will know
3838 * that the pending interface should be used.
3839 */
3840 *group_iface = 0;
ebd32943
IP		 3841
3842 if (freq)
3843 *freq = 0;
3844
3845 go = wpas_p2p_get_go_group(wpa_s);
3846 if (!go) {
369678ad 3847 s = wpas_p2p_get_persistent_go(wpa_s);
5cc6ec0f 3848 *group_iface = wpas_p2p_create_iface(wpa_s);
369678ad 3849 if (s)
ebd32943 3850 os_memcpy(intended_addr, s->bssid, ETH_ALEN);
5cc6ec0f
AO		 3851 else
3852 return 0;
ebd32943
IP		 3853 } else {
3854 s = go->current_ssid;
3855 os_memcpy(intended_addr, go->own_addr, ETH_ALEN);
3856 if (freq)
3857 *freq = go->assoc_freq;
369678ad
KV		 3858 }
3859
369678ad
KV		 3860 os_memcpy(ssid, s->ssid, s->ssid_len);
3861 *ssid_len = s->ssid_len;
3862
3863 return 1;
3864}
3865
3866
895d94de
KV		 3867static int wpas_remove_stale_groups(void *ctx, const u8 *peer, const u8 *go,
3868 const u8 *ssid, size_t ssid_len)
3869{
3870 struct wpa_supplicant *wpa_s = ctx;
3871 struct wpa_ssid *s;
3872 int save_config = 0;
3873 size_t i;
3874
3875 /* Start with our first choice of Persistent Groups */
3876 while ((s = wpas_p2p_get_persistent(wpa_s, peer, NULL, 0))) {
3877 if (go && ssid && ssid_len &&
3878 s->ssid_len == ssid_len &&
3879 os_memcmp(go, s->bssid, ETH_ALEN) == 0 &&
3880 os_memcmp(ssid, s->ssid, ssid_len) == 0)
3881 break;
3882
3883 /* Remove stale persistent group */
3884 if (s->mode != WPAS_MODE_P2P_GO || s->num_p2p_clients <= 1) {
3885 wpa_config_remove_network(wpa_s->conf, s->id);
3886 save_config = 1;
3887 continue;
3888 }
3889
3890 for (i = 0; i < s->num_p2p_clients; i++) {
3891 if (os_memcmp(s->p2p_client_list + i * 2 * ETH_ALEN,
3892 peer, ETH_ALEN) != 0)
3893 continue;
3894
3895 os_memmove(s->p2p_client_list + i * 2 * ETH_ALEN,
3896 s->p2p_client_list + (i + 1) * 2 * ETH_ALEN,
3897 (s->num_p2p_clients - i - 1) * 2 * ETH_ALEN);
3898 break;
3899 }
3900 s->num_p2p_clients--;
3901 save_config = 1;
3902 }
3903
3904 if (save_config)
3905 p2p_config_write(wpa_s);
3906
3907 /* Return TRUE if valid SSID remains */
3908 return s != NULL;
3909}
3910
3911
88f3d7c9
MS		 3912static void wpas_p2ps_get_feat_cap_str(char *buf, size_t buf_len,
3913 const u8 *feat_cap, size_t feat_cap_len)
3914{
3915 static const char pref[] = " feature_cap=";
3916 int ret;
3917
3918 buf[0] = '\0';
3919
3920 /*
3921 * We expect a feature capability to contain at least one byte to be
3922 * reported. The string buffer provided by the caller function is
3923 * expected to be big enough to contain all bytes of the attribute for
3924 * known specifications. This function truncates the reported bytes if
3925 * the feature capability data exceeds the string buffer size.
3926 */
3927 if (!feat_cap || !feat_cap_len || buf_len < sizeof(pref) + 2)
3928 return;
3929
3930 os_memcpy(buf, pref, sizeof(pref));
3931 ret = wpa_snprintf_hex(&buf[sizeof(pref) - 1],
3932 buf_len - sizeof(pref) + 1,
3933 feat_cap, feat_cap_len);
3934
3935 if (ret != (2 * (int) feat_cap_len))
3936 wpa_printf(MSG_WARNING, "P2PS feature_cap bytes truncated");
3937}
3938
3939
5fefce27
KV		 3940static void wpas_p2ps_prov_complete(void *ctx, u8 status, const u8 *dev,
3941 const u8 *adv_mac, const u8 *ses_mac,
3942 const u8 *grp_mac, u32 adv_id, u32 ses_id,
3943 u8 conncap, int passwd_id,
3944 const u8 *persist_ssid,
3945 size_t persist_ssid_size, int response_done,
88f3d7c9 3946 int prov_start, const char *session_info,
8bb8e6ed 3947 const u8 *feat_cap, size_t feat_cap_len,
aa256cb3
JM		 3948 unsigned int freq,
3949 const u8 *group_ssid, size_t group_ssid_len)
5fefce27
KV		 3950{
3951 struct wpa_supplicant *wpa_s = ctx;
3952 u8 mac[ETH_ALEN];
cd571e14 3953 struct wpa_ssid *persistent_go, *stale, *s = NULL;
5fefce27
KV		 3954 int save_config = 0;
3955 struct wpa_supplicant *go_wpa_s;
88f3d7c9 3956 char feat_cap_str[256];
5fefce27
KV		 3957
3958 if (!dev)
3959 return;
3960
3961 os_memset(mac, 0, ETH_ALEN);
3962 if (!adv_mac)
3963 adv_mac = mac;
3964 if (!ses_mac)
3965 ses_mac = mac;
3966 if (!grp_mac)
3967 grp_mac = mac;
3968
88f3d7c9
MS		 3969 wpas_p2ps_get_feat_cap_str(feat_cap_str, sizeof(feat_cap_str),
3970 feat_cap, feat_cap_len);
3971
5fefce27
KV		 3972 if (prov_start) {
3973 if (session_info == NULL) {
3974 wpa_msg_global(wpa_s, MSG_INFO,
3975 P2P_EVENT_P2PS_PROVISION_START MACSTR
3976 " adv_id=%x conncap=%x"
3977 " adv_mac=" MACSTR
3978 " session=%x mac=" MACSTR
88f3d7c9 3979 " dev_passwd_id=%d%s",
5fefce27
KV		 3980 MAC2STR(dev), adv_id, conncap,
3981 MAC2STR(adv_mac),
3982 ses_id, MAC2STR(ses_mac),
88f3d7c9 3983 passwd_id, feat_cap_str);
5fefce27
KV		 3984 } else {
3985 wpa_msg_global(wpa_s, MSG_INFO,
3986 P2P_EVENT_P2PS_PROVISION_START MACSTR
3987 " adv_id=%x conncap=%x"
3988 " adv_mac=" MACSTR
3989 " session=%x mac=" MACSTR
88f3d7c9 3990 " dev_passwd_id=%d info='%s'%s",
5fefce27
KV		 3991 MAC2STR(dev), adv_id, conncap,
3992 MAC2STR(adv_mac),
3993 ses_id, MAC2STR(ses_mac),
88f3d7c9 3994 passwd_id, session_info, feat_cap_str);
5fefce27
KV		 3995 }
3996 return;
3997 }
3998
3999 go_wpa_s = wpas_p2p_get_go_group(wpa_s);
4000 persistent_go = wpas_p2p_get_persistent_go(wpa_s);
4001
4002 if (status && status != P2P_SC_SUCCESS_DEFERRED) {
4003 if (go_wpa_s && !p2p_group_go_member_count(wpa_s))
4004 wpas_p2p_group_remove(wpa_s, go_wpa_s->ifname);
4005
4006 if (persistent_go && !persistent_go->num_p2p_clients) {
4007 /* remove empty persistent GO */
4008 wpa_config_remove_network(wpa_s->conf,
4009 persistent_go->id);
4010 }
4011
4012 wpa_msg_global(wpa_s, MSG_INFO,
4013 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
4014 " status=%d"
4015 " adv_id=%x adv_mac=" MACSTR
88f3d7c9 4016 " session=%x mac=" MACSTR "%s",
5fefce27
KV		 4017 MAC2STR(dev), status,
4018 adv_id, MAC2STR(adv_mac),
88f3d7c9 4019 ses_id, MAC2STR(ses_mac), feat_cap_str);
5fefce27
KV		 4020 return;
4021 }
4022
4023 /* Clean up stale persistent groups with this device */
cd571e14
MS		 4024 if (persist_ssid && persist_ssid_size)
4025 s = wpas_p2p_get_persistent(wpa_s, dev, persist_ssid,
4026 persist_ssid_size);
1f14e2bf
AO		 4027
4028 if (persist_ssid && s && s->mode != WPAS_MODE_P2P_GO &&
2a098e36 4029 is_zero_ether_addr(grp_mac)) {
1f14e2bf
AO		 4030 wpa_dbg(wpa_s, MSG_ERROR,
4031 "P2P: Peer device is a GO in a persistent group, but it did not provide the intended MAC address");
4032 return;
4033 }
4034
5fefce27
KV		 4035 for (;;) {
4036 stale = wpas_p2p_get_persistent(wpa_s, dev, NULL, 0);
4037 if (!stale)
4038 break;
4039
4040 if (s && s->ssid_len == stale->ssid_len &&
4041 os_memcmp(stale->bssid, s->bssid, ETH_ALEN) == 0 &&
4042 os_memcmp(stale->ssid, s->ssid, s->ssid_len) == 0)
4043 break;
4044
4045 /* Remove stale persistent group */
4046 if (stale->mode != WPAS_MODE_P2P_GO ||
4047 stale->num_p2p_clients <= 1) {
4048 wpa_config_remove_network(wpa_s->conf, stale->id);
4049 } else {
4050 size_t i;
4051
4052 for (i = 0; i < stale->num_p2p_clients; i++) {
4053 if (os_memcmp(stale->p2p_client_list +
4054 i * ETH_ALEN,
4055 dev, ETH_ALEN) == 0) {
4056 os_memmove(stale->p2p_client_list +
4057 i * ETH_ALEN,
4058 stale->p2p_client_list +
4059 (i + 1) * ETH_ALEN,
4060 (stale->num_p2p_clients -
4061 i - 1) * ETH_ALEN);
4062 break;
4063 }
4064 }
4065 stale->num_p2p_clients--;
4066 }
4067 save_config = 1;
4068 }
4069
4070 if (save_config)
4071 p2p_config_write(wpa_s);
4072
4073 if (s) {
4074 if (go_wpa_s && !p2p_group_go_member_count(wpa_s))
4075 wpas_p2p_group_remove(wpa_s, go_wpa_s->ifname);
4076
4077 if (persistent_go && s != persistent_go &&
4078 !persistent_go->num_p2p_clients) {
4079 /* remove empty persistent GO */
4080 wpa_config_remove_network(wpa_s->conf,
4081 persistent_go->id);
4082 /* Save config */
4083 }
4084
4085 wpa_msg_global(wpa_s, MSG_INFO,
4086 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
4087 " status=%d"
4088 " adv_id=%x adv_mac=" MACSTR
4089 " session=%x mac=" MACSTR
88f3d7c9 4090 " persist=%d%s",
5fefce27
KV		 4091 MAC2STR(dev), status,
4092 adv_id, MAC2STR(adv_mac),
88f3d7c9 4093 ses_id, MAC2STR(ses_mac), s->id, feat_cap_str);
5fefce27
KV		 4094 return;
4095 }
4096
4097 if (conncap == P2PS_SETUP_GROUP_OWNER) {
23bb9828
AO		 4098 /*
4099 * We need to copy the interface name. Simply saving a
4100 * pointer isn't enough, since if we use pending_interface_name
4101 * it will be overwritten when the group is added.
4102 */
4103 char go_ifname[100];
4104
4105 go_ifname[0] = '\0';
5fefce27
KV		 4106 if (!go_wpa_s) {
4107 wpa_s->global->pending_p2ps_group = 1;
8bb8e6ed 4108 wpa_s->global->pending_p2ps_group_freq = freq;
5fefce27 4109
a698d6c8 4110 if (!wpas_p2p_create_iface(wpa_s))
23bb9828
AO		 4111 os_memcpy(go_ifname, wpa_s->ifname,
4112 sizeof(go_ifname));
5fefce27 4113 else if (wpa_s->pending_interface_name[0])
23bb9828
AO		 4114 os_memcpy(go_ifname,
4115 wpa_s->pending_interface_name,
4116 sizeof(go_ifname));
5fefce27 4117
23bb9828 4118 if (!go_ifname[0]) {
5fefce27
KV		 4119 wpas_p2ps_prov_complete(
4120 wpa_s, P2P_SC_FAIL_UNKNOWN_GROUP,
4121 dev, adv_mac, ses_mac,
2a098e36 4122 grp_mac, adv_id, ses_id, 0, 0,
aa256cb3
JM		 4123 NULL, 0, 0, 0, NULL, NULL, 0, 0,
4124 NULL, 0);
5fefce27
KV		 4125 return;
4126 }
4127
4128 /* If PD Resp complete, start up the GO */
4129 if (response_done && persistent_go) {
4130 wpas_p2p_group_add_persistent(
4131 wpa_s, persistent_go,
c27f4c90 4132 0, 0, freq, 0, 0, 0, 0, NULL,
5fefce27
KV		 4133 persistent_go->mode ==
4134 WPAS_MODE_P2P_GO ?
4135 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE :
dfaf11d6 4136 0, 0);
5fefce27 4137 } else if (response_done) {
c27f4c90 4138 wpas_p2p_group_add(wpa_s, 1, freq, 0, 0, 0, 0);
5fefce27 4139 }
306aaf49
KV		 4140
4141 if (passwd_id == DEV_PW_P2PS_DEFAULT) {
b9da88d6
AO		 4142 os_memcpy(wpa_s->p2ps_join_addr, grp_mac,
4143 ETH_ALEN);
4144 wpa_s->p2ps_method_config_any = 1;
306aaf49 4145 }
5fefce27 4146 } else if (passwd_id == DEV_PW_P2PS_DEFAULT) {
23bb9828
AO		 4147 os_memcpy(go_ifname, go_wpa_s->ifname,
4148 sizeof(go_ifname));
5fefce27 4149
b9da88d6
AO		 4150 if (is_zero_ether_addr(grp_mac)) {
4151 wpa_dbg(go_wpa_s, MSG_DEBUG,
4152 "P2P: Setting PIN-1 for ANY");
4153 wpa_supplicant_ap_wps_pin(go_wpa_s, NULL,
4154 "12345670", NULL, 0,
4155 0);
4156 } else {
4157 wpa_dbg(go_wpa_s, MSG_DEBUG,
4158 "P2P: Setting PIN-1 for " MACSTR,
4159 MAC2STR(grp_mac));
4160 wpa_supplicant_ap_wps_pin(go_wpa_s, grp_mac,
4161 "12345670", NULL, 0,
4162 0);
4163 }
306aaf49 4164
b9da88d6
AO		 4165 os_memcpy(wpa_s->p2ps_join_addr, grp_mac, ETH_ALEN);
4166 wpa_s->p2ps_method_config_any = 1;
5fefce27
KV		 4167 }
4168
4169 wpa_msg_global(wpa_s, MSG_INFO,
4170 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
4171 " status=%d conncap=%x"
4172 " adv_id=%x adv_mac=" MACSTR
4173 " session=%x mac=" MACSTR
88f3d7c9 4174 " dev_passwd_id=%d go=%s%s",
5fefce27
KV		 4175 MAC2STR(dev), status, conncap,
4176 adv_id, MAC2STR(adv_mac),
4177 ses_id, MAC2STR(ses_mac),
88f3d7c9 4178 passwd_id, go_ifname, feat_cap_str);
5fefce27
KV		 4179 return;
4180 }
4181
4182 if (go_wpa_s && !p2p_group_go_member_count(wpa_s))
4183 wpas_p2p_group_remove(wpa_s, go_wpa_s->ifname);
4184
4185 if (persistent_go && !persistent_go->num_p2p_clients) {
4186 /* remove empty persistent GO */
4187 wpa_config_remove_network(wpa_s->conf, persistent_go->id);
4188 }
4189
4190 if (conncap == P2PS_SETUP_CLIENT) {
aa256cb3
JM		 4191 char ssid_hex[32 * 2 + 1];
4192
4193 if (group_ssid)
4194 wpa_snprintf_hex(ssid_hex, sizeof(ssid_hex),
4195 group_ssid, group_ssid_len);
4196 else
4197 ssid_hex[0] = '\0';
5fefce27
KV		 4198 wpa_msg_global(wpa_s, MSG_INFO,
4199 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
4200 " status=%d conncap=%x"
4201 " adv_id=%x adv_mac=" MACSTR
4202 " session=%x mac=" MACSTR
aa256cb3 4203 " dev_passwd_id=%d join=" MACSTR "%s%s%s",
5fefce27
KV		 4204 MAC2STR(dev), status, conncap,
4205 adv_id, MAC2STR(adv_mac),
4206 ses_id, MAC2STR(ses_mac),
aa256cb3
JM		 4207 passwd_id, MAC2STR(grp_mac), feat_cap_str,
4208 group_ssid ? " group_ssid=" : "", ssid_hex);
5fefce27
KV		 4209 } else {
4210 wpa_msg_global(wpa_s, MSG_INFO,
4211 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
4212 " status=%d conncap=%x"
4213 " adv_id=%x adv_mac=" MACSTR
4214 " session=%x mac=" MACSTR
88f3d7c9 4215 " dev_passwd_id=%d%s",
5fefce27
KV		 4216 MAC2STR(dev), status, conncap,
4217 adv_id, MAC2STR(adv_mac),
4218 ses_id, MAC2STR(ses_mac),
88f3d7c9 4219 passwd_id, feat_cap_str);
5fefce27
KV		 4220 }
4221}
4222
4223
0f1034e3
SD		 4224static int _wpas_p2p_in_progress(void *ctx)
4225{
4226 struct wpa_supplicant *wpa_s = ctx;
4227 return wpas_p2p_in_progress(wpa_s);
4228}
4229
4230
9a58e521
KV		 4231static int wpas_prov_disc_resp_cb(void *ctx)
4232{
4233 struct wpa_supplicant *wpa_s = ctx;
4234 struct wpa_ssid *persistent_go;
8bb8e6ed 4235 unsigned int freq;
9a58e521
KV		 4236
4237 if (!wpa_s->global->pending_p2ps_group)
4238 return 0;
4239
8bb8e6ed
IP		 4240 freq = wpa_s->global->pending_p2ps_group_freq;
4241 wpa_s->global->pending_p2ps_group_freq = 0;
9a58e521
KV		 4242 wpa_s->global->pending_p2ps_group = 0;
4243
4244 if (wpas_p2p_get_go_group(wpa_s))
4245 return 0;
4246 persistent_go = wpas_p2p_get_persistent_go(wpa_s);
4247
4248 if (persistent_go) {
4249 wpas_p2p_group_add_persistent(
c27f4c90 4250 wpa_s, persistent_go, 0, 0, 0, 0, 0, 0, 0, NULL,
9a58e521 4251 persistent_go->mode == WPAS_MODE_P2P_GO ?
dfaf11d6 4252 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE : 0, 0);
9a58e521 4253 } else {
c27f4c90 4254 wpas_p2p_group_add(wpa_s, 1, freq, 0, 0, 0, 0);
9a58e521
KV		 4255 }
4256
4257 return 1;
4258}
4259
4260
fc71f7d9
AK		 4261static int wpas_p2p_get_pref_freq_list(void *ctx, int go,
4262 unsigned int *len,
4263 unsigned int *freq_list)
4264{
4265 struct wpa_supplicant *wpa_s = ctx;
4266
4267 return wpa_drv_get_pref_freq_list(wpa_s, go ? WPA_IF_P2P_GO :
4268 WPA_IF_P2P_CLIENT, len, freq_list);
4269}
4270
4271
b22128ef
JM		 4272/**
4273 * wpas_p2p_init - Initialize P2P module for %wpa_supplicant
4274 * @global: Pointer to global data from wpa_supplicant_init()
4275 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4276 * Returns: 0 on success, -1 on failure
4277 */
4278int wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s)
4279{
4280 struct p2p_config p2p;
f95cac27 4281 int i;
b22128ef 4282
f2b3f4de
SS		 4283 if (wpa_s->conf->p2p_disabled)
4284 return 0;
4285
b22128ef
JM		 4286 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
4287 return 0;
4288
b22128ef
JM		 4289 if (global->p2p)
4290 return 0;
4291
4292 os_memset(&p2p, 0, sizeof(p2p));
b22128ef 4293 p2p.cb_ctx = wpa_s;
ed496f13 4294 p2p.debug_print = wpas_p2p_debug_print;
b22128ef
JM		 4295 p2p.p2p_scan = wpas_p2p_scan;
4296 p2p.send_action = wpas_send_action;
4297 p2p.send_action_done = wpas_send_action_done;
4298 p2p.go_neg_completed = wpas_go_neg_completed;
4299 p2p.go_neg_req_rx = wpas_go_neg_req_rx;
4300 p2p.dev_found = wpas_dev_found;
56eeb8f2 4301 p2p.dev_lost = wpas_dev_lost;
710ae9ac 4302 p2p.find_stopped = wpas_find_stopped;
b22128ef
JM		 4303 p2p.start_listen = wpas_start_listen;
4304 p2p.stop_listen = wpas_stop_listen;
4305 p2p.send_probe_resp = wpas_send_probe_resp;
4306 p2p.sd_request = wpas_sd_request;
4307 p2p.sd_response = wpas_sd_response;
4308 p2p.prov_disc_req = wpas_prov_disc_req;
4309 p2p.prov_disc_resp = wpas_prov_disc_resp;
dd8a7e05 4310 p2p.prov_disc_fail = wpas_prov_disc_fail;
b22128ef
JM		 4311 p2p.invitation_process = wpas_invitation_process;
4312 p2p.invitation_received = wpas_invitation_received;
4313 p2p.invitation_result = wpas_invitation_result;
4314 p2p.get_noa = wpas_get_noa;
b1aebbc4 4315 p2p.go_connected = wpas_go_connected;
c64e3a08 4316 p2p.presence_resp = wpas_presence_resp;
a2d63657 4317 p2p.is_concurrent_session_active = wpas_is_concurrent_session_active;
0f1034e3 4318 p2p.is_p2p_in_progress = _wpas_p2p_in_progress;
369678ad
KV		 4319 p2p.get_persistent_group = wpas_get_persistent_group;
4320 p2p.get_go_info = wpas_get_go_info;
895d94de 4321 p2p.remove_stale_groups = wpas_remove_stale_groups;
5fefce27 4322 p2p.p2ps_prov_complete = wpas_p2ps_prov_complete;
9a58e521 4323 p2p.prov_disc_resp_cb = wpas_prov_disc_resp_cb;
1300cc8e 4324 p2p.p2ps_group_capability = p2ps_group_capability;
fc71f7d9 4325 p2p.get_pref_freq_list = wpas_p2p_get_pref_freq_list;
b22128ef
JM		 4326
4327 os_memcpy(wpa_s->global->p2p_dev_addr, wpa_s->own_addr, ETH_ALEN);
d7e70476 4328 os_memcpy(p2p.dev_addr, wpa_s->global->p2p_dev_addr, ETH_ALEN);
b22128ef 4329 p2p.dev_name = wpa_s->conf->device_name;
b6e01800
JM		 4330 p2p.manufacturer = wpa_s->conf->manufacturer;
4331 p2p.model_name = wpa_s->conf->model_name;
4332 p2p.model_number = wpa_s->conf->model_number;
4333 p2p.serial_number = wpa_s->conf->serial_number;
4334 if (wpa_s->wps) {
4335 os_memcpy(p2p.uuid, wpa_s->wps->uuid, 16);
4336 p2p.config_methods = wpa_s->wps->config_methods;
4337 }
b22128ef 4338
1595eb93
AM		 4339 if (wpas_p2p_setup_channels(wpa_s, &p2p.channels, &p2p.cli_channels)) {
4340 wpa_printf(MSG_ERROR,
4341 "P2P: Failed to configure supported channel list");
4342 return -1;
4343 }
4344
b22128ef
JM		 4345 if (wpa_s->conf->p2p_listen_reg_class &&
4346 wpa_s->conf->p2p_listen_channel) {
4347 p2p.reg_class = wpa_s->conf->p2p_listen_reg_class;
4348 p2p.channel = wpa_s->conf->p2p_listen_channel;
e3bd6e9d 4349 p2p.channel_forced = 1;
b22128ef 4350 } else {
b22128ef
JM		 4351 /*
4352 * Pick one of the social channels randomly as the listen
4353 * channel.
4354 */
1595eb93
AM		 4355 if (p2p_config_get_random_social(&p2p, &p2p.reg_class,
4356 &p2p.channel) != 0) {
5678a2d8
JM		 4357 wpa_printf(MSG_INFO,
4358 "P2P: No social channels supported by the driver - do not enable P2P");
4359 return 0;
1595eb93 4360 }
e3bd6e9d 4361 p2p.channel_forced = 0;
b22128ef 4362 }
1595eb93
AM		 4363 wpa_printf(MSG_DEBUG, "P2P: Own listen channel: %d:%d",
4364 p2p.reg_class, p2p.channel);
b22128ef
JM		 4365
4366 if (wpa_s->conf->p2p_oper_reg_class &&
4367 wpa_s->conf->p2p_oper_channel) {
4368 p2p.op_reg_class = wpa_s->conf->p2p_oper_reg_class;
4369 p2p.op_channel = wpa_s->conf->p2p_oper_channel;
7cfc4ac3
AGS		 4370 p2p.cfg_op_channel = 1;
4371 wpa_printf(MSG_DEBUG, "P2P: Configured operating channel: "
4372 "%d:%d", p2p.op_reg_class, p2p.op_channel);
4373
b22128ef 4374 } else {
b22128ef 4375 /*
1595eb93
AM		 4376 * Use random operation channel from 2.4 GHz band social
4377 * channels (1, 6, 11) or band 60 GHz social channel (2) if no
4378 * other preference is indicated.
b22128ef 4379 */
1595eb93
AM		 4380 if (p2p_config_get_random_social(&p2p, &p2p.op_reg_class,
4381 &p2p.op_channel) != 0) {
4382 wpa_printf(MSG_ERROR,
4383 "P2P: Failed to select random social channel as operation channel");
df2508d7 4384 return -1;
1595eb93 4385 }
7cfc4ac3
AGS		 4386 p2p.cfg_op_channel = 0;
4387 wpa_printf(MSG_DEBUG, "P2P: Random operating channel: "
4388 "%d:%d", p2p.op_reg_class, p2p.op_channel);
b22128ef 4389 }
010b5f9b
YW		 4390
4391 if (wpa_s->conf->p2p_pref_chan && wpa_s->conf->num_p2p_pref_chan) {
4392 p2p.pref_chan = wpa_s->conf->p2p_pref_chan;
4393 p2p.num_pref_chan = wpa_s->conf->num_p2p_pref_chan;
4394 }
4395
b22128ef
JM		 4396 if (wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
4397 os_memcpy(p2p.country, wpa_s->conf->country, 2);
4398 p2p.country[2] = 0x04;
4399 } else
aaca6505 4400 os_memcpy(p2p.country, "XX\x04", 3);
b22128ef 4401
2f646b6e
JB		 4402 os_memcpy(p2p.pri_dev_type, wpa_s->conf->device_type,
4403 WPS_DEV_TYPE_LEN);
b22128ef 4404
2f646b6e
JB		 4405 p2p.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
4406 os_memcpy(p2p.sec_dev_type, wpa_s->conf->sec_device_type,
4407 p2p.num_sec_dev_types * WPS_DEV_TYPE_LEN);
b22128ef
JM		 4408
4409 p2p.concurrent_operations = !!(wpa_s->drv_flags &
4410 WPA_DRIVER_FLAGS_P2P_CONCURRENT);
4411
de979d8f 4412 p2p.max_peers = 100;
b22128ef
JM		 4413
4414 if (wpa_s->conf->p2p_ssid_postfix) {
4415 p2p.ssid_postfix_len =
4416 os_strlen(wpa_s->conf->p2p_ssid_postfix);
4417 if (p2p.ssid_postfix_len > sizeof(p2p.ssid_postfix))
4418 p2p.ssid_postfix_len = sizeof(p2p.ssid_postfix);
4419 os_memcpy(p2p.ssid_postfix, wpa_s->conf->p2p_ssid_postfix,
4420 p2p.ssid_postfix_len);
4421 }
4422
0f66abd2
SS		 4423 p2p.p2p_intra_bss = wpa_s->conf->p2p_intra_bss;
4424
96beff11
JM		 4425 p2p.max_listen = wpa_s->max_remain_on_chan;
4426
1b928f96
JM		 4427 if (wpa_s->conf->p2p_passphrase_len >= 8 &&
4428 wpa_s->conf->p2p_passphrase_len <= 63)
4429 p2p.passphrase_len = wpa_s->conf->p2p_passphrase_len;
4430 else
4431 p2p.passphrase_len = 8;
4432
b22128ef
JM		 4433 global->p2p = p2p_init(&p2p);
4434 if (global->p2p == NULL)
4435 return -1;
ab28911d 4436 global->p2p_init_wpa_s = wpa_s;
b22128ef 4437
f95cac27
JMB		 4438 for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) {
4439 if (wpa_s->conf->wps_vendor_ext[i] == NULL)
4440 continue;
4441 p2p_add_wps_vendor_extension(
4442 global->p2p, wpa_s->conf->wps_vendor_ext[i]);
4443 }
4444
556b30da
JM		 4445 p2p_set_no_go_freq(global->p2p, &wpa_s->conf->p2p_no_go_freq);
4446
b22128ef
JM		 4447 return 0;
4448}
4449
4450
4451/**
4452 * wpas_p2p_deinit - Deinitialize per-interface P2P data
4453 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4454 *
4455 * This function deinitialize per-interface P2P data.
4456 */
4457void wpas_p2p_deinit(struct wpa_supplicant *wpa_s)
4458{
4459 if (wpa_s->driver && wpa_s->drv_priv)
4460 wpa_drv_probe_req_report(wpa_s, 0);
ec437d9e
JJ		 4461
4462 if (wpa_s->go_params) {
4463 /* Clear any stored provisioning info */
4464 p2p_clear_provisioning_info(
4465 wpa_s->global->p2p,
10531d21 4466 wpa_s->go_params->peer_device_addr);
ec437d9e
JJ		 4467 }
4468
b22128ef
JM		 4469 os_free(wpa_s->go_params);
4470 wpa_s->go_params = NULL;
fb2ac53d 4471 eloop_cancel_timeout(wpas_p2p_psk_failure_removal, wpa_s, NULL);
b22128ef 4472 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
ef922c4a 4473 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
b22128ef
JM		 4474 wpa_s->p2p_long_listen = 0;
4475 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
3071e181 4476 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
b22128ef 4477 wpas_p2p_remove_pending_group_interface(wpa_s);
8567866d 4478 eloop_cancel_timeout(wpas_p2p_group_freq_conflict, wpa_s, NULL);
e1d1c8e2 4479 wpas_p2p_listen_work_done(wpa_s);
e05e1308
JM		 4480 if (wpa_s->p2p_send_action_work) {
4481 os_free(wpa_s->p2p_send_action_work->ctx);
4482 radio_work_done(wpa_s->p2p_send_action_work);
4483 wpa_s->p2p_send_action_work = NULL;
4484 }
4485 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout, wpa_s, NULL);
b22128ef 4486
db6ae69e
JM		 4487 wpabuf_free(wpa_s->p2p_oob_dev_pw);
4488 wpa_s->p2p_oob_dev_pw = NULL;
4489
20beb96f
IP		 4490 os_free(wpa_s->p2p_group_common_freqs);
4491 wpa_s->p2p_group_common_freqs = NULL;
4492 wpa_s->p2p_group_common_freqs_num = 0;
4493
b22128ef
JM		 4494 /* TODO: remove group interface from the driver if this wpa_s instance
4495 * is on top of a P2P group interface */
4496}
4497
4498
4499/**
4500 * wpas_p2p_deinit_global - Deinitialize global P2P module
4501 * @global: Pointer to global data from wpa_supplicant_init()
4502 *
4503 * This function deinitializes the global (per device) P2P module.
4504 */
bd10d938 4505static void wpas_p2p_deinit_global(struct wpa_global *global)
b22128ef
JM		 4506{
4507 struct wpa_supplicant *wpa_s, *tmp;
b22128ef 4508
bf428a73 4509 wpa_s = global->ifaces;
ee285df4
EA		 4510
4511 wpas_p2p_service_flush(global->p2p_init_wpa_s);
bf428a73 4512
b22128ef 4513 /* Remove remaining P2P group interfaces */
b22128ef
JM		 4514 while (wpa_s && wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE)
4515 wpa_s = wpa_s->next;
4516 while (wpa_s) {
b22128ef
JM		 4517 tmp = global->ifaces;
4518 while (tmp &&
4519 (tmp == wpa_s ||
4520 tmp->p2p_group_interface == NOT_P2P_GROUP_INTERFACE)) {
4521 tmp = tmp->next;
4522 }
4523 if (tmp == NULL)
4524 break;
103b8f4d
NS		 4525 /* Disconnect from the P2P group and deinit the interface */
4526 wpas_p2p_disconnect(tmp);
b22128ef
JM		 4527 }
4528
743ef799
JM		 4529 /*
4530 * Deinit GO data on any possibly remaining interface (if main
4531 * interface is used as GO).
4532 */
4533 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
4534 if (wpa_s->ap_iface)
4535 wpas_p2p_group_deinit(wpa_s);
4536 }
4537
b22128ef
JM		 4538 p2p_deinit(global->p2p);
4539 global->p2p = NULL;
ab28911d 4540 global->p2p_init_wpa_s = NULL;
b22128ef
JM		 4541}
4542
4543
4544static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s)
4545{
96a26ab7 4546 if (wpa_s->conf->p2p_no_group_iface)
d76cd41a 4547 return 0; /* separate interface disabled per configuration */
971e357f
JM		 4548 if (wpa_s->drv_flags &
4549 (WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE |
4550 WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P))
b22128ef
JM		 4551 return 1; /* P2P group requires a new interface in every case
4552 */
4553 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CONCURRENT))
4554 return 0; /* driver does not support concurrent operations */
4555 if (wpa_s->global->ifaces->next)
4556 return 1; /* more that one interface already in use */
4557 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
4558 return 1; /* this interface is already in use */
4559 return 0;
4560}
4561
4562
4563static int wpas_p2p_start_go_neg(struct wpa_supplicant *wpa_s,
4564 const u8 *peer_addr,
4565 enum p2p_wps_method wps_method,
4566 int go_intent, const u8 *own_interface_addr,
23c84252 4567 unsigned int force_freq, int persistent_group,
04a3e69d 4568 struct wpa_ssid *ssid, unsigned int pref_freq)
b22128ef 4569{
acc247b2
JM		 4570 if (persistent_group && wpa_s->conf->persistent_reconnect)
4571 persistent_group = 2;
4572
4f219667
JM		 4573 /*
4574 * Increase GO config timeout if HT40 is used since it takes some time
4575 * to scan channels for coex purposes before the BSS can be started.
4576 */
4577 p2p_set_config_timeout(wpa_s->global->p2p,
4578 wpa_s->p2p_go_ht40 ? 255 : 100, 20);
4579
b22128ef
JM		 4580 return p2p_connect(wpa_s->global->p2p, peer_addr, wps_method,
4581 go_intent, own_interface_addr, force_freq,
23c84252 4582 persistent_group, ssid ? ssid->ssid : NULL,
3bc462cb 4583 ssid ? ssid->ssid_len : 0,
db6ae69e
JM		 4584 wpa_s->p2p_pd_before_go_neg, pref_freq,
4585 wps_method == WPS_NFC ? wpa_s->p2p_oob_dev_pw_id :
4586 0);
b22128ef
JM		 4587}
4588
4589
4590static int wpas_p2p_auth_go_neg(struct wpa_supplicant *wpa_s,
4591 const u8 *peer_addr,
4592 enum p2p_wps_method wps_method,
4593 int go_intent, const u8 *own_interface_addr,
23c84252 4594 unsigned int force_freq, int persistent_group,
04a3e69d 4595 struct wpa_ssid *ssid, unsigned int pref_freq)
b22128ef 4596{
acc247b2
JM		 4597 if (persistent_group && wpa_s->conf->persistent_reconnect)
4598 persistent_group = 2;
4599
b22128ef
JM		 4600 return p2p_authorize(wpa_s->global->p2p, peer_addr, wps_method,
4601 go_intent, own_interface_addr, force_freq,
23c84252 4602 persistent_group, ssid ? ssid->ssid : NULL,
db6ae69e
JM		 4603 ssid ? ssid->ssid_len : 0, pref_freq,
4604 wps_method == WPS_NFC ? wpa_s->p2p_oob_dev_pw_id :
4605 0);
b22128ef
JM		 4606}
4607
4608
9b1ab931
JM		 4609static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant *wpa_s)
4610{
4611 wpa_s->p2p_join_scan_count++;
4612 wpa_printf(MSG_DEBUG, "P2P: Join scan attempt %d",
4613 wpa_s->p2p_join_scan_count);
4614 if (wpa_s->p2p_join_scan_count > P2P_MAX_JOIN_SCAN_ATTEMPTS) {
4615 wpa_printf(MSG_DEBUG, "P2P: Failed to find GO " MACSTR
4616 " for join operationg - stop join attempt",
4617 MAC2STR(wpa_s->pending_join_iface_addr));
4618 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
0918c4bf
JM		 4619 if (wpa_s->p2p_auto_pd) {
4620 wpa_s->p2p_auto_pd = 0;
92c4465b
JM		 4621 wpa_msg_global(wpa_s, MSG_INFO,
4622 P2P_EVENT_PROV_DISC_FAILURE
4623 " p2p_dev_addr=" MACSTR " status=N/A",
4624 MAC2STR(wpa_s->pending_join_dev_addr));
0918c4bf
JM		 4625 return;
4626 }
ba307f85 4627 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
92c4465b 4628 P2P_EVENT_GROUP_FORMATION_FAILURE);
2a95fac9 4629 wpas_notify_p2p_group_formation_failure(wpa_s, "");
9b1ab931
JM		 4630 }
4631}
4632
4633
4b156206
JM		 4634static int wpas_check_freq_conflict(struct wpa_supplicant *wpa_s, int freq)
4635{
a0c90bb0
IP		 4636 int res;
4637 unsigned int num, i;
4638 struct wpa_used_freq_data *freqs;
4b156206 4639
0d08efa4
IP		 4640 if (wpas_p2p_num_unused_channels(wpa_s) > 0) {
4641 /* Multiple channels are supported and not all are in use */
4b156206 4642 return 0;
0d08efa4 4643 }
4b156206 4644
a0c90bb0
IP		 4645 freqs = os_calloc(wpa_s->num_multichan_concurrent,
4646 sizeof(struct wpa_used_freq_data));
0d08efa4
IP		 4647 if (!freqs)
4648 return 1;
86ae2e8a 4649
0d08efa4
IP		 4650 num = wpas_p2p_valid_oper_freqs(wpa_s, freqs,
4651 wpa_s->num_multichan_concurrent);
4b156206 4652
0d08efa4 4653 for (i = 0; i < num; i++) {
a0c90bb0 4654 if (freqs[i].freq == freq) {
0d08efa4
IP		 4655 wpa_printf(MSG_DEBUG, "P2P: Frequency %d MHz in use by another virtual interface and can be used",
4656 freq);
4657 res = 0;
4658 goto exit_free;
4659 }
4b156206
JM		 4660 }
4661
a0c90bb0 4662 wpa_printf(MSG_DEBUG, "P2P: No valid operating frequencies");
0d08efa4
IP		 4663 res = 1;
4664
4665exit_free:
4666 os_free(freqs);
4667 return res;
4b156206
JM		 4668}
4669
4670
b31be3a0
JM		 4671static int wpas_p2p_peer_go(struct wpa_supplicant *wpa_s,
4672 const u8 *peer_dev_addr)
4673{
4674 struct wpa_bss *bss;
4675 int updated;
4676
4677 bss = wpa_bss_get_p2p_dev_addr(wpa_s, peer_dev_addr);
4678 if (bss == NULL)
aa9bb764 4679 return -1;
b31be3a0
JM		 4680 if (bss->last_update_idx < wpa_s->bss_update_idx) {
4681 wpa_printf(MSG_DEBUG, "P2P: Peer BSS entry not updated in the "
4682 "last scan");
4683 return 0;
4684 }
4685
acb69cec
JB		 4686 updated = os_reltime_before(&wpa_s->p2p_auto_started,
4687 &bss->last_update);
b31be3a0
JM		 4688 wpa_printf(MSG_DEBUG, "P2P: Current BSS entry for peer updated at "
4689 "%ld.%06ld (%supdated in last scan)",
4690 bss->last_update.sec, bss->last_update.usec,
4691 updated ? "": "not ");
4692
4693 return updated;
4694}
4695
4696
ef922c4a
JM		 4697static void wpas_p2p_scan_res_join(struct wpa_supplicant *wpa_s,
4698 struct wpa_scan_results *scan_res)
b22128ef 4699{
c48414af 4700 struct wpa_bss *bss = NULL;
f8d0131a 4701 int freq;
54960629 4702 u8 iface_addr[ETH_ALEN];
b22128ef 4703
ef922c4a 4704 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
b22128ef 4705
ef922c4a
JM		 4706 if (wpa_s->global->p2p_disabled)
4707 return;
b22128ef 4708
b31be3a0
JM		 4709 wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS) for %sjoin",
4710 scan_res ? (int) scan_res->num : -1,
4711 wpa_s->p2p_auto_join ? "auto_" : "");
ef922c4a
JM		 4712
4713 if (scan_res)
4714 wpas_p2p_scan_res_handler(wpa_s, scan_res);
b22128ef 4715
0918c4bf
JM		 4716 if (wpa_s->p2p_auto_pd) {
4717 int join = wpas_p2p_peer_go(wpa_s,
4718 wpa_s->pending_join_dev_addr);
84286a22
SDU		 4719 if (join == 0 &&
4720 wpa_s->auto_pd_scan_retry < P2P_AUTO_PD_SCAN_ATTEMPTS) {
4721 wpa_s->auto_pd_scan_retry++;
702621e6
JM		 4722 bss = wpa_bss_get_bssid_latest(
4723 wpa_s, wpa_s->pending_join_dev_addr);
84286a22
SDU		 4724 if (bss) {
4725 freq = bss->freq;
4726 wpa_printf(MSG_DEBUG, "P2P: Scan retry %d for "
4727 "the peer " MACSTR " at %d MHz",
4728 wpa_s->auto_pd_scan_retry,
4729 MAC2STR(wpa_s->
4730 pending_join_dev_addr),
4731 freq);
c48414af 4732 wpas_p2p_join_scan_req(wpa_s, freq, NULL, 0);
84286a22
SDU		 4733 return;
4734 }
4735 }
4736
aa9bb764
JM		 4737 if (join < 0)
4738 join = 0;
84286a22 4739
0918c4bf
JM		 4740 wpa_s->p2p_auto_pd = 0;
4741 wpa_s->pending_pd_use = join ? AUTO_PD_JOIN : AUTO_PD_GO_NEG;
4742 wpa_printf(MSG_DEBUG, "P2P: Auto PD with " MACSTR " join=%d",
4743 MAC2STR(wpa_s->pending_join_dev_addr), join);
4744 if (p2p_prov_disc_req(wpa_s->global->p2p,
369678ad 4745 wpa_s->pending_join_dev_addr, NULL,
0918c4bf 4746 wpa_s->pending_pd_config_methods, join,
67527166 4747 0, wpa_s->user_initiated_pd) < 0) {
0918c4bf 4748 wpa_s->p2p_auto_pd = 0;
92c4465b
JM		 4749 wpa_msg_global(wpa_s, MSG_INFO,
4750 P2P_EVENT_PROV_DISC_FAILURE
4751 " p2p_dev_addr=" MACSTR " status=N/A",
4752 MAC2STR(wpa_s->pending_join_dev_addr));
0918c4bf
JM		 4753 }
4754 return;
4755 }
4756
b31be3a0 4757 if (wpa_s->p2p_auto_join) {
aa9bb764
JM		 4758 int join = wpas_p2p_peer_go(wpa_s,
4759 wpa_s->pending_join_dev_addr);
4760 if (join < 0) {
b31be3a0
JM		 4761 wpa_printf(MSG_DEBUG, "P2P: Peer was not found to be "
4762 "running a GO -> use GO Negotiation");
ba307f85 4763 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
6b005121
JM		 4764 P2P_EVENT_FALLBACK_TO_GO_NEG
4765 "reason=peer-not-running-GO");
b31be3a0
JM		 4766 wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr,
4767 wpa_s->p2p_pin, wpa_s->p2p_wps_method,
4768 wpa_s->p2p_persistent_group, 0, 0, 0,
4769 wpa_s->p2p_go_intent,
23c84252 4770 wpa_s->p2p_connect_freq,
c27f4c90 4771 wpa_s->p2p_go_vht_center_freq2,
3bc462cb 4772 wpa_s->p2p_persistent_id,
e2308e4b 4773 wpa_s->p2p_pd_before_go_neg,
20ea1ca4 4774 wpa_s->p2p_go_ht40,
c27f4c90 4775 wpa_s->p2p_go_vht,
70e0cb33
JM		 4776 wpa_s->p2p_go_max_oper_chwidth,
4777 NULL, 0);
b31be3a0
JM		 4778 return;
4779 }
4780
aa9bb764
JM		 4781 wpa_printf(MSG_DEBUG, "P2P: Peer was found running GO%s -> "
4782 "try to join the group", join ? "" :
4783 " in older scan");
6b005121 4784 if (!join) {
ba307f85 4785 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
6b005121 4786 P2P_EVENT_FALLBACK_TO_GO_NEG_ENABLED);
aa9bb764 4787 wpa_s->p2p_fallback_to_go_neg = 1;
6b005121 4788 }
b31be3a0
JM		 4789 }
4790
f8d0131a
JM		 4791 freq = p2p_get_oper_freq(wpa_s->global->p2p,
4792 wpa_s->pending_join_iface_addr);
54960629
AL		 4793 if (freq < 0 &&
4794 p2p_get_interface_addr(wpa_s->global->p2p,
4795 wpa_s->pending_join_dev_addr,
4796 iface_addr) == 0 &&
4e536751
CM		 4797 os_memcmp(iface_addr, wpa_s->pending_join_dev_addr, ETH_ALEN) != 0
4798 && !wpa_bss_get_bssid(wpa_s, wpa_s->pending_join_iface_addr)) {
54960629
AL		 4799 wpa_printf(MSG_DEBUG, "P2P: Overwrite pending interface "
4800 "address for join from " MACSTR " to " MACSTR
4801 " based on newly discovered P2P peer entry",
4802 MAC2STR(wpa_s->pending_join_iface_addr),
4803 MAC2STR(iface_addr));
4804 os_memcpy(wpa_s->pending_join_iface_addr, iface_addr,
4805 ETH_ALEN);
4806
4807 freq = p2p_get_oper_freq(wpa_s->global->p2p,
4808 wpa_s->pending_join_iface_addr);
4809 }
f8d0131a
JM		 4810 if (freq >= 0) {
4811 wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency "
4812 "from P2P peer table: %d MHz", freq);
4813 }
c48414af
JM		 4814 if (wpa_s->p2p_join_ssid_len) {
4815 wpa_printf(MSG_DEBUG, "P2P: Trying to find target GO BSS entry based on BSSID "
4816 MACSTR " and SSID %s",
4817 MAC2STR(wpa_s->pending_join_iface_addr),
4818 wpa_ssid_txt(wpa_s->p2p_join_ssid,
4819 wpa_s->p2p_join_ssid_len));
4820 bss = wpa_bss_get(wpa_s, wpa_s->pending_join_iface_addr,
4821 wpa_s->p2p_join_ssid,
4822 wpa_s->p2p_join_ssid_len);
438be601 4823 } else if (!bss) {
c48414af
JM		 4824 wpa_printf(MSG_DEBUG, "P2P: Trying to find target GO BSS entry based on BSSID "
4825 MACSTR, MAC2STR(wpa_s->pending_join_iface_addr));
4826 bss = wpa_bss_get_bssid_latest(wpa_s,
4827 wpa_s->pending_join_iface_addr);
4828 }
b22128ef 4829 if (bss) {
e6012e83
JM		 4830 u8 dev_addr[ETH_ALEN];
4831
f8d0131a
JM		 4832 freq = bss->freq;
4833 wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency "
d2858883
JM		 4834 "from BSS table: %d MHz (SSID %s)", freq,
4835 wpa_ssid_txt(bss->ssid, bss->ssid_len));
e6012e83
JM		 4836 if (p2p_parse_dev_addr((const u8 *) (bss + 1), bss->ie_len,
4837 dev_addr) == 0 &&
4838 os_memcmp(wpa_s->pending_join_dev_addr,
4839 wpa_s->pending_join_iface_addr, ETH_ALEN) == 0 &&
4840 os_memcmp(dev_addr, wpa_s->pending_join_dev_addr,
4841 ETH_ALEN) != 0) {
4842 wpa_printf(MSG_DEBUG,
4843 "P2P: Update target GO device address based on BSS entry: " MACSTR " (was " MACSTR ")",
4844 MAC2STR(dev_addr),
4845 MAC2STR(wpa_s->pending_join_dev_addr));
4846 os_memcpy(wpa_s->pending_join_dev_addr, dev_addr,
4847 ETH_ALEN);
4848 }
f8d0131a
JM		 4849 }
4850 if (freq > 0) {
b22128ef
JM		 4851 u16 method;
4852
4b156206 4853 if (wpas_check_freq_conflict(wpa_s, freq) > 0) {
ba307f85 4854 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
92c4465b
JM		 4855 P2P_EVENT_GROUP_FORMATION_FAILURE
4856 "reason=FREQ_CONFLICT");
2a95fac9
NC		 4857 wpas_notify_p2p_group_formation_failure(
4858 wpa_s, "FREQ_CONFLICT");
4b156206
JM		 4859 return;
4860 }
4861
b22128ef
JM		 4862 wpa_printf(MSG_DEBUG, "P2P: Send Provision Discovery Request "
4863 "prior to joining an existing group (GO " MACSTR
4864 " freq=%u MHz)",
f8d0131a 4865 MAC2STR(wpa_s->pending_join_dev_addr), freq);
b22128ef
JM		 4866 wpa_s->pending_pd_before_join = 1;
4867
ef922c4a 4868 switch (wpa_s->pending_join_wps_method) {
b22128ef
JM		 4869 case WPS_PIN_DISPLAY:
4870 method = WPS_CONFIG_KEYPAD;
4871 break;
4872 case WPS_PIN_KEYPAD:
4873 method = WPS_CONFIG_DISPLAY;
4874 break;
4875 case WPS_PBC:
4876 method = WPS_CONFIG_PUSHBUTTON;
4877 break;
d494ca0b
AO		 4878 case WPS_P2PS:
4879 method = WPS_CONFIG_P2PS;
4880 break;
b22128ef
JM		 4881 default:
4882 method = 0;
4883 break;
4884 }
4885
ec437d9e
JJ		 4886 if ((p2p_get_provisioning_info(wpa_s->global->p2p,
4887 wpa_s->pending_join_dev_addr) ==
4888 method)) {
4889 /*
4890 * We have already performed provision discovery for
4891 * joining the group. Proceed directly to join
4892 * operation without duplicated provision discovery. */
e3a0706b 4893 wpa_printf(MSG_DEBUG, "P2P: Provision discovery "
ec437d9e
JJ		 4894 "with " MACSTR " already done - proceed to "
4895 "join",
4896 MAC2STR(wpa_s->pending_join_dev_addr));
4897 wpa_s->pending_pd_before_join = 0;
4898 goto start;
4899 }
4900
ef922c4a 4901 if (p2p_prov_disc_req(wpa_s->global->p2p,
369678ad
KV		 4902 wpa_s->pending_join_dev_addr,
4903 NULL, method, 1,
67527166 4904 freq, wpa_s->user_initiated_pd) < 0) {
b22128ef
JM		 4905 wpa_printf(MSG_DEBUG, "P2P: Failed to send Provision "
4906 "Discovery Request before joining an "
4907 "existing group");
4908 wpa_s->pending_pd_before_join = 0;
4909 goto start;
4910 }
ef922c4a 4911 return;
b22128ef
JM		 4912 }
4913
9b1ab931
JM		 4914 wpa_printf(MSG_DEBUG, "P2P: Failed to find BSS/GO - try again later");
4915 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
4916 eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL);
4917 wpas_p2p_check_join_scan_limit(wpa_s);
4918 return;
b22128ef
JM		 4919
4920start:
4921 /* Start join operation immediately */
35510d53
JM		 4922 wpas_p2p_join_start(wpa_s, 0, wpa_s->p2p_join_ssid,
4923 wpa_s->p2p_join_ssid_len);
ef922c4a
JM		 4924}
4925
4926
c48414af
JM		 4927static void wpas_p2p_join_scan_req(struct wpa_supplicant *wpa_s, int freq,
4928 const u8 *ssid, size_t ssid_len)
ef922c4a 4929{
ef922c4a
JM		 4930 int ret;
4931 struct wpa_driver_scan_params params;
4932 struct wpabuf *wps_ie, *ies;
206e1f42 4933 size_t ielen;
84286a22 4934 int freqs[2] = { 0, 0 };
c58eed6d 4935 unsigned int bands;
ef922c4a
JM		 4936
4937 os_memset(&params, 0, sizeof(params));
4938
4939 /* P2P Wildcard SSID */
4940 params.num_ssids = 1;
c48414af
JM		 4941 if (ssid && ssid_len) {
4942 params.ssids[0].ssid = ssid;
4943 params.ssids[0].ssid_len = ssid_len;
4944 os_memcpy(wpa_s->p2p_join_ssid, ssid, ssid_len);
4945 wpa_s->p2p_join_ssid_len = ssid_len;
4946 } else {
4947 params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID;
4948 params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN;
4949 wpa_s->p2p_join_ssid_len = 0;
4950 }
ef922c4a
JM		 4951
4952 wpa_s->wps->dev.p2p = 1;
360182ed
JM		 4953 wps_ie = wps_build_probe_req_ie(DEV_PW_DEFAULT, &wpa_s->wps->dev,
4954 wpa_s->wps->uuid, WPS_REQ_ENROLLEE, 0,
4955 NULL);
ef922c4a
JM		 4956 if (wps_ie == NULL) {
4957 wpas_p2p_scan_res_join(wpa_s, NULL);
4958 return;
4959 }
4960
37b4198a
JJ		 4961 if (!freq) {
4962 int oper_freq;
4963 /*
4964 * If freq is not provided, check the operating freq of the GO
4965 * and use a single channel scan on if possible.
4966 */
4967 oper_freq = p2p_get_oper_freq(wpa_s->global->p2p,
4968 wpa_s->pending_join_iface_addr);
4969 if (oper_freq > 0)
4970 freq = oper_freq;
4971 }
84286a22
SDU		 4972 if (freq > 0) {
4973 freqs[0] = freq;
4974 params.freqs = freqs;
4975 }
ef922c4a 4976
94ad3c33
LD		 4977 ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p);
4978 ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen);
4979 if (ies == NULL) {
4980 wpabuf_free(wps_ie);
4981 wpas_p2p_scan_res_join(wpa_s, NULL);
4982 return;
4983 }
4984 wpabuf_put_buf(ies, wps_ie);
4985 wpabuf_free(wps_ie);
4986
c58eed6d
LD		 4987 bands = wpas_get_bands(wpa_s, freqs);
4988 p2p_scan_ie(wpa_s->global->p2p, ies, NULL, bands);
94ad3c33
LD		 4989
4990 params.p2p_probe = 1;
4991 params.extra_ies = wpabuf_head(ies);
4992 params.extra_ies_len = wpabuf_len(ies);
4993
ef922c4a
JM		 4994 /*
4995 * Run a scan to update BSS table and start Provision Discovery once
4996 * the new scan results become available.
4997 */
17fbb751 4998 ret = wpa_drv_scan(wpa_s, &params);
4342326f 4999 if (!ret) {
acb69cec 5000 os_get_reltime(&wpa_s->scan_trigger_time);
205e6474 5001 wpa_s->scan_res_handler = wpas_p2p_scan_res_join;
a5f40eff 5002 wpa_s->own_scan_requested = 1;
4342326f 5003 }
ef922c4a
JM		 5004
5005 wpabuf_free(ies);
5006
5007 if (ret) {
5008 wpa_printf(MSG_DEBUG, "P2P: Failed to start scan for join - "
5009 "try again later");
5010 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
5011 eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL);
9b1ab931 5012 wpas_p2p_check_join_scan_limit(wpa_s);
ef922c4a
JM		 5013 }
5014}
5015
5016
84286a22
SDU		 5017static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx)
5018{
5019 struct wpa_supplicant *wpa_s = eloop_ctx;
c48414af 5020 wpas_p2p_join_scan_req(wpa_s, 0, NULL, 0);
84286a22
SDU		 5021}
5022
5023
ef922c4a 5024static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr,
b31be3a0 5025 const u8 *dev_addr, enum p2p_wps_method wps_method,
23318bea
JM		 5026 int auto_join, int op_freq,
5027 const u8 *ssid, size_t ssid_len)
ef922c4a
JM		 5028{
5029 wpa_printf(MSG_DEBUG, "P2P: Request to join existing group (iface "
23318bea
JM		 5030 MACSTR " dev " MACSTR " op_freq=%d)%s",
5031 MAC2STR(iface_addr), MAC2STR(dev_addr), op_freq,
b31be3a0 5032 auto_join ? " (auto_join)" : "");
c48414af
JM		 5033 if (ssid && ssid_len) {
5034 wpa_printf(MSG_DEBUG, "P2P: Group SSID specified: %s",
5035 wpa_ssid_txt(ssid, ssid_len));
5036 }
ef922c4a 5037
0918c4bf 5038 wpa_s->p2p_auto_pd = 0;
b31be3a0 5039 wpa_s->p2p_auto_join = !!auto_join;
ef922c4a
JM		 5040 os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, ETH_ALEN);
5041 os_memcpy(wpa_s->pending_join_dev_addr, dev_addr, ETH_ALEN);
5042 wpa_s->pending_join_wps_method = wps_method;
5043
5044 /* Make sure we are not running find during connection establishment */
5045 wpas_p2p_stop_find(wpa_s);
5046
9b1ab931 5047 wpa_s->p2p_join_scan_count = 0;
23318bea 5048 wpas_p2p_join_scan_req(wpa_s, op_freq, ssid, ssid_len);
ef922c4a 5049 return 0;
b22128ef
JM		 5050}
5051
5052
23318bea
JM		 5053static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s, int freq,
5054 const u8 *ssid, size_t ssid_len)
b22128ef
JM		 5055{
5056 struct wpa_supplicant *group;
5057 struct p2p_go_neg_results res;
8e64f258 5058 struct wpa_bss *bss;
b22128ef
JM		 5059
5060 group = wpas_p2p_get_group_iface(wpa_s, 0, 0);
5061 if (group == NULL)
5062 return -1;
3c5126a4 5063 if (group != wpa_s) {
b22128ef
JM		 5064 os_memcpy(group->p2p_pin, wpa_s->p2p_pin,
5065 sizeof(group->p2p_pin));
3c5126a4 5066 group->p2p_wps_method = wpa_s->p2p_wps_method;
2b79164f
JM		 5067 } else {
5068 /*
5069 * Need to mark the current interface for p2p_group_formation
5070 * when a separate group interface is not used. This is needed
5071 * to allow p2p_cancel stop a pending p2p_connect-join.
5072 * wpas_p2p_init_group_interface() addresses this for the case
5073 * where a separate group interface is used.
5074 */
5075 wpa_s->global->p2p_group_formation = wpa_s;
3c5126a4 5076 }
b22128ef
JM		 5077
5078 group->p2p_in_provisioning = 1;
aa9bb764 5079 group->p2p_fallback_to_go_neg = wpa_s->p2p_fallback_to_go_neg;
b22128ef
JM		 5080
5081 os_memset(&res, 0, sizeof(res));
23318bea 5082 os_memcpy(res.peer_device_addr, wpa_s->pending_join_dev_addr, ETH_ALEN);
b22128ef
JM		 5083 os_memcpy(res.peer_interface_addr, wpa_s->pending_join_iface_addr,
5084 ETH_ALEN);
5085 res.wps_method = wpa_s->pending_join_wps_method;
23318bea
JM		 5086 if (freq && ssid && ssid_len) {
5087 res.freq = freq;
5088 res.ssid_len = ssid_len;
5089 os_memcpy(res.ssid, ssid, ssid_len);
5090 } else {
8b8d4f4e
JM		 5091 if (ssid && ssid_len) {
5092 bss = wpa_bss_get(wpa_s, wpa_s->pending_join_iface_addr,
5093 ssid, ssid_len);
5094 } else {
5095 bss = wpa_bss_get_bssid_latest(
5096 wpa_s, wpa_s->pending_join_iface_addr);
5097 }
23318bea
JM		 5098 if (bss) {
5099 res.freq = bss->freq;
5100 res.ssid_len = bss->ssid_len;
5101 os_memcpy(res.ssid, bss->ssid, bss->ssid_len);
5102 wpa_printf(MSG_DEBUG, "P2P: Join target GO operating frequency from BSS table: %d MHz (SSID %s)",
5103 bss->freq,
5104 wpa_ssid_txt(bss->ssid, bss->ssid_len));
b875276c
JM		 5105 } else if (ssid && ssid_len) {
5106 res.ssid_len = ssid_len;
5107 os_memcpy(res.ssid, ssid, ssid_len);
5108 wpa_printf(MSG_DEBUG, "P2P: Join target GO (SSID %s)",
5109 wpa_ssid_txt(ssid, ssid_len));
23318bea 5110 }
8e64f258
JM		 5111 }
5112
e91829f9
JM		 5113 if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
5114 wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel prior to "
5115 "starting client");
5116 wpa_drv_cancel_remain_on_channel(wpa_s);
5117 wpa_s->off_channel_freq = 0;
5118 wpa_s->roc_waiting_drv_freq = 0;
5119 }
b22128ef
JM		 5120 wpas_start_wps_enrollee(group, &res);
5121
3094d483
JM		 5122 /*
5123 * Allow a longer timeout for join-a-running-group than normal 15
5124 * second group formation timeout since the GO may not have authorized
5125 * our connection yet.
5126 */
5127 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
5128 eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout,
5129 wpa_s, NULL);
5130
b22128ef
JM		 5131 return 0;
5132}
5133
5134
5de4b721 5135static int wpas_p2p_setup_freqs(struct wpa_supplicant *wpa_s, int freq,
370017d9
AK		 5136 int *force_freq, int *pref_freq, int go,
5137 unsigned int *pref_freq_list,
5138 unsigned int *num_pref_freq)
5de4b721 5139{
a0c90bb0
IP		 5140 struct wpa_used_freq_data *freqs;
5141 int res, best_freq, num_unused;
370017d9
AK		 5142 unsigned int freq_in_use = 0, num, i, max_pref_freq;
5143
5144 max_pref_freq = *num_pref_freq;
5145 *num_pref_freq = 0;
0d08efa4 5146
a0c90bb0
IP		 5147 freqs = os_calloc(wpa_s->num_multichan_concurrent,
5148 sizeof(struct wpa_used_freq_data));
0d08efa4
IP		 5149 if (!freqs)
5150 return -1;
5151
a0c90bb0
IP		 5152 num = wpas_p2p_valid_oper_freqs(wpa_s, freqs,
5153 wpa_s->num_multichan_concurrent);
5154
5155 /*
5156 * It is possible that the total number of used frequencies is bigger
5157 * than the number of frequencies used for P2P, so get the system wide
5158 * number of unused frequencies.
5159 */
5160 num_unused = wpas_p2p_num_unused_channels(wpa_s);
5161
99d7c762 5162 wpa_printf(MSG_DEBUG,
a0c90bb0
IP		 5163 "P2P: Setup freqs: freq=%d num_MCC=%d shared_freqs=%u num_unused=%d",
5164 freq, wpa_s->num_multichan_concurrent, num, num_unused);
0d08efa4 5165
5de4b721 5166 if (freq > 0) {
51e9f228
JM		 5167 int ret;
5168 if (go)
5169 ret = p2p_supported_freq(wpa_s->global->p2p, freq);
5170 else
5171 ret = p2p_supported_freq_cli(wpa_s->global->p2p, freq);
5172 if (!ret) {
d7f1aa8f
AK		 5173 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) &&
5174 ieee80211_is_dfs(freq)) {
5175 /*
5176 * If freq is a DFS channel and DFS is offloaded
5177 * to the driver, allow P2P GO to use it.
5178 */
5179 wpa_printf(MSG_DEBUG,
5180 "P2P: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to the driver",
5181 freq);
5182 } else {
5183 wpa_printf(MSG_DEBUG,
5184 "P2P: The forced channel (%u MHz) is not supported for P2P uses",
5185 freq);
5186 res = -3;
5187 goto exit_free;
5188 }
5de4b721
JM		 5189 }
5190
0d08efa4 5191 for (i = 0; i < num; i++) {
a0c90bb0 5192 if (freqs[i].freq == freq)
0d08efa4
IP		 5193 freq_in_use = 1;
5194 }
5195
a0c90bb0 5196 if (num_unused <= 0 && !freq_in_use) {
0d08efa4
IP		 5197 wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group on %u MHz as there are no available channels",
5198 freq);
5199 res = -2;
5200 goto exit_free;
5de4b721
JM		 5201 }
5202 wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the "
5203 "requested channel (%u MHz)", freq);
5204 *force_freq = freq;
0d08efa4
IP		 5205 goto exit_ok;
5206 }
5207
a0c90bb0 5208 best_freq = wpas_p2p_pick_best_used_freq(wpa_s, freqs, num);
0d08efa4 5209
370017d9
AK		 5210 if (!wpa_s->conf->num_p2p_pref_chan && *pref_freq == 0) {
5211 enum wpa_driver_if_type iface_type;
5212
5213 if (go)
5214 iface_type = WPA_IF_P2P_GO;
5215 else
5216 iface_type = WPA_IF_P2P_CLIENT;
5217
5218 wpa_printf(MSG_DEBUG, "P2P: best_freq=%d, go=%d",
5219 best_freq, go);
5220
5221 res = wpa_drv_get_pref_freq_list(wpa_s, iface_type,
5222 &max_pref_freq,
5223 pref_freq_list);
5224 if (!res && max_pref_freq > 0) {
5225 *num_pref_freq = max_pref_freq;
5226 i = 0;
5227 while (wpas_p2p_disallowed_freq(wpa_s->global,
5228 pref_freq_list[i]) &&
5229 i < *num_pref_freq) {
5230 wpa_printf(MSG_DEBUG,
5231 "P2P: preferred_freq_list[%d]=%d is disallowed",
5232 i, pref_freq_list[i]);
5233 i++;
5234 }
5235 if (i != *num_pref_freq) {
5236 best_freq = pref_freq_list[i];
5237 wpa_printf(MSG_DEBUG,
5238 "P2P: Using preferred_freq_list[%d]=%d",
5239 i, best_freq);
5240 } else {
5241 wpa_printf(MSG_DEBUG,
5242 "P2P: All driver preferred frequencies are disallowed for P2P use");
5243 *num_pref_freq = 0;
5244 }
5245 } else {
5246 wpa_printf(MSG_DEBUG,
5247 "P2P: No preferred frequency list available");
5248 }
5249 }
5250
a0c90bb0
IP		 5251 /* We have a candidate frequency to use */
5252 if (best_freq > 0) {
5253 if (*pref_freq == 0 && num_unused > 0) {
b17d89bd 5254 wpa_printf(MSG_DEBUG, "P2P: Try to prefer a frequency (%u MHz) we are already using",
a0c90bb0
IP		 5255 best_freq);
5256 *pref_freq = best_freq;
b17d89bd
JM		 5257 } else {
5258 wpa_printf(MSG_DEBUG, "P2P: Try to force us to use frequency (%u MHz) which is already in use",
a0c90bb0
IP		 5259 best_freq);
5260 *force_freq = best_freq;
0d08efa4 5261 }
a0c90bb0
IP		 5262 } else if (num_unused > 0) {
5263 wpa_printf(MSG_DEBUG,
5264 "P2P: Current operating channels are not available for P2P. Try to use another channel");
5265 *force_freq = 0;
5266 } else {
5267 wpa_printf(MSG_DEBUG,
5268 "P2P: All channels are in use and none of them are P2P enabled. Cannot start P2P group");
5269 res = -2;
5270 goto exit_free;
0d08efa4
IP		 5271 }
5272
5273exit_ok:
5274 res = 0;
5275exit_free:
5276 os_free(freqs);
5277 return res;
5de4b721
JM		 5278}
5279
5280
b22128ef
JM		 5281/**
5282 * wpas_p2p_connect - Request P2P Group Formation to be started
5283 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5284 * @peer_addr: Address of the peer P2P Device
5285 * @pin: PIN to use during provisioning or %NULL to indicate PBC mode
5286 * @persistent_group: Whether to create a persistent group
b31be3a0 5287 * @auto_join: Whether to select join vs. GO Negotiation automatically
b22128ef
JM		 5288 * @join: Whether to join an existing group (as a client) instead of starting
5289 * Group Owner negotiation; @peer_addr is BSSID in that case
5290 * @auth: Whether to only authorize the connection instead of doing that and
5291 * initiating Group Owner negotiation
5292 * @go_intent: GO Intent or -1 to use default
5293 * @freq: Frequency for the group or 0 for auto-selection
c27f4c90 5294 * @freq2: Center frequency of segment 1 for the GO operating in VHT 80P80 mode
23c84252
JM		 5295 * @persistent_id: Persistent group credentials to use for forcing GO
5296 * parameters or -1 to generate new values (SSID/passphrase)
3bc462cb
JM		 5297 * @pd: Whether to send Provision Discovery prior to GO Negotiation as an
5298 * interoperability workaround when initiating group formation
e2308e4b 5299 * @ht40: Start GO with 40 MHz channel width
20ea1ca4 5300 * @vht: Start GO with VHT support
c27f4c90
AK		 5301 * @vht_chwidth: Channel width supported by GO operating with VHT support
5302 * (VHT_CHANWIDTH_*).
70e0cb33
JM		 5303 * @group_ssid: Specific Group SSID for join or %NULL if not set
5304 * @group_ssid_len: Length of @group_ssid in octets
d054a462
JM		 5305 * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified
5306 * failure, -2 on failure due to channel not currently available,
5307 * -3 if forced channel is not supported
b22128ef
JM		 5308 */
5309int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
5310 const char *pin, enum p2p_wps_method wps_method,
b31be3a0 5311 int persistent_group, int auto_join, int join, int auth,
c27f4c90
AK		 5312 int go_intent, int freq, unsigned int vht_center_freq2,
5313 int persistent_id, int pd, int ht40, int vht,
70e0cb33
JM		 5314 unsigned int vht_chwidth, const u8 *group_ssid,
5315 size_t group_ssid_len)
b22128ef 5316{
0d08efa4 5317 int force_freq = 0, pref_freq = 0;
5de4b721 5318 int ret = 0, res;
b22128ef 5319 enum wpa_driver_if_type iftype;
6cad95db 5320 const u8 *if_addr;
23c84252 5321 struct wpa_ssid *ssid = NULL;
370017d9 5322 unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size;
b22128ef 5323
9526fd29
JM		 5324 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
5325 return -1;
5326
23c84252
JM		 5327 if (persistent_id >= 0) {
5328 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
5329 if (ssid == NULL || ssid->disabled != 2 ||
5330 ssid->mode != WPAS_MODE_P2P_GO)
5331 return -1;
5332 }
5333
01a57fe4
JM		 5334 os_free(wpa_s->global->add_psk);
5335 wpa_s->global->add_psk = NULL;
5336
95fb2db2 5337 wpa_s->global->p2p_fail_on_wps_complete = 0;
9a58e521 5338 wpa_s->global->pending_p2ps_group = 0;
8bb8e6ed 5339 wpa_s->global->pending_p2ps_group_freq = 0;
b9da88d6 5340 wpa_s->p2ps_method_config_any = 0;
95fb2db2 5341
b22128ef
JM		 5342 if (go_intent < 0)
5343 go_intent = wpa_s->conf->p2p_go_intent;
5344
5345 if (!auth)
5346 wpa_s->p2p_long_listen = 0;
5347
3c5126a4 5348 wpa_s->p2p_wps_method = wps_method;
b31be3a0 5349 wpa_s->p2p_persistent_group = !!persistent_group;
23c84252 5350 wpa_s->p2p_persistent_id = persistent_id;
b31be3a0
JM		 5351 wpa_s->p2p_go_intent = go_intent;
5352 wpa_s->p2p_connect_freq = freq;
aa9bb764 5353 wpa_s->p2p_fallback_to_go_neg = 0;
3bc462cb 5354 wpa_s->p2p_pd_before_go_neg = !!pd;
e2308e4b 5355 wpa_s->p2p_go_ht40 = !!ht40;
20ea1ca4 5356 wpa_s->p2p_go_vht = !!vht;
c27f4c90
AK		 5357 wpa_s->p2p_go_vht_center_freq2 = vht_center_freq2;
5358 wpa_s->p2p_go_max_oper_chwidth = vht_chwidth;
3c5126a4 5359
b22128ef
JM		 5360 if (pin)
5361 os_strlcpy(wpa_s->p2p_pin, pin, sizeof(wpa_s->p2p_pin));
5362 else if (wps_method == WPS_PIN_DISPLAY) {
98a516ea
NL		 5363 if (wps_generate_pin((unsigned int *) &ret) < 0)
5364 return -1;
1d399771
JM		 5365 res = os_snprintf(wpa_s->p2p_pin, sizeof(wpa_s->p2p_pin),
5366 "%08d", ret);
5367 if (os_snprintf_error(sizeof(wpa_s->p2p_pin), res))
5368 wpa_s->p2p_pin[sizeof(wpa_s->p2p_pin) - 1] = '\0';
b22128ef
JM		 5369 wpa_printf(MSG_DEBUG, "P2P: Randomly generated PIN: %s",
5370 wpa_s->p2p_pin);
5371 } else
5372 wpa_s->p2p_pin[0] = '\0';
5373
b31be3a0 5374 if (join || auto_join) {
4147a2cc 5375 u8 iface_addr[ETH_ALEN], dev_addr[ETH_ALEN];
108def93
JM		 5376 if (auth) {
5377 wpa_printf(MSG_DEBUG, "P2P: Authorize invitation to "
5378 "connect a running group from " MACSTR,
5379 MAC2STR(peer_addr));
5380 os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN);
5381 return ret;
5382 }
4147a2cc 5383 os_memcpy(dev_addr, peer_addr, ETH_ALEN);
b22128ef 5384 if (p2p_get_interface_addr(wpa_s->global->p2p, peer_addr,
4147a2cc 5385 iface_addr) < 0) {
b22128ef 5386 os_memcpy(iface_addr, peer_addr, ETH_ALEN);
4147a2cc
JM		 5387 p2p_get_dev_addr(wpa_s->global->p2p, peer_addr,
5388 dev_addr);
5389 }
b31be3a0 5390 if (auto_join) {
acb69cec 5391 os_get_reltime(&wpa_s->p2p_auto_started);
b31be3a0
JM		 5392 wpa_printf(MSG_DEBUG, "P2P: Auto join started at "
5393 "%ld.%06ld",
5394 wpa_s->p2p_auto_started.sec,
5395 wpa_s->p2p_auto_started.usec);
5396 }
67527166 5397 wpa_s->user_initiated_pd = 1;
b31be3a0 5398 if (wpas_p2p_join(wpa_s, iface_addr, dev_addr, wps_method,
70e0cb33
JM		 5399 auto_join, freq,
5400 group_ssid, group_ssid_len) < 0)
b22128ef
JM		 5401 return -1;
5402 return ret;
5403 }
5404
370017d9 5405 size = P2P_MAX_PREF_CHANNELS;
51e9f228 5406 res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq,
370017d9 5407 go_intent == 15, pref_freq_list, &size);
5de4b721
JM		 5408 if (res)
5409 return res;
1b665cbf
JM		 5410 wpas_p2p_set_own_freq_preference(wpa_s,
5411 force_freq ? force_freq : pref_freq);
b22128ef 5412
370017d9
AK		 5413 p2p_set_own_pref_freq_list(wpa_s->global->p2p, pref_freq_list, size);
5414
b22128ef
JM		 5415 wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
5416
6cad95db
JB		 5417 if (wpa_s->create_p2p_iface) {
5418 /* Prepare to add a new interface for the group */
5419 iftype = WPA_IF_P2P_GROUP;
5420 if (go_intent == 15)
5421 iftype = WPA_IF_P2P_GO;
5422 if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) {
5423 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
5424 "interface for the group");
b22128ef 5425 return -1;
6cad95db 5426 }
b22128ef 5427
6cad95db 5428 if_addr = wpa_s->pending_interface_addr;
9f59fe8d 5429 } else {
96a26ab7
LD		 5430 if (wpa_s->p2p_mgmt)
5431 if_addr = wpa_s->parent->own_addr;
5432 else
5433 if_addr = wpa_s->own_addr;
9f59fe8d
JM		 5434 os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
5435 }
b22128ef
JM		 5436
5437 if (auth) {
5438 if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method,
6cad95db 5439 go_intent, if_addr,
04a3e69d
JM		 5440 force_freq, persistent_group, ssid,
5441 pref_freq) < 0)
b22128ef
JM		 5442 return -1;
5443 return ret;
5444 }
6cad95db
JB		 5445
5446 if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method,
5447 go_intent, if_addr, force_freq,
04a3e69d 5448 persistent_group, ssid, pref_freq) < 0) {
6cad95db
JB		 5449 if (wpa_s->create_p2p_iface)
5450 wpas_p2p_remove_pending_group_interface(wpa_s);
b22128ef
JM		 5451 return -1;
5452 }
5453 return ret;
5454}
5455
5456
5457/**
5458 * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start
5459 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5460 * @freq: Frequency of the channel in MHz
5461 * @duration: Duration of the stay on the channel in milliseconds
5462 *
5463 * This callback is called when the driver indicates that it has started the
5464 * requested remain-on-channel duration.
5465 */
5466void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
5467 unsigned int freq, unsigned int duration)
5468{
9526fd29
JM		 5469 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
5470 return;
f2dc06e2
JM		 5471 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)",
5472 wpa_s->off_channel_freq, wpa_s->pending_listen_freq,
5473 wpa_s->roc_waiting_drv_freq, freq, duration);
5474 if (wpa_s->off_channel_freq &&
5475 wpa_s->off_channel_freq == wpa_s->pending_listen_freq) {
b22128ef
JM		 5476 p2p_listen_cb(wpa_s->global->p2p, wpa_s->pending_listen_freq,
5477 wpa_s->pending_listen_duration);
5478 wpa_s->pending_listen_freq = 0;
211d7ab3
JM		 5479 } else {
5480 wpa_printf(MSG_DEBUG, "P2P: Ignore remain-on-channel callback (off_channel_freq=%u pending_listen_freq=%d freq=%u duration=%u)",
5481 wpa_s->off_channel_freq, wpa_s->pending_listen_freq,
5482 freq, duration);
b22128ef
JM		 5483 }
5484}
5485
5486
49e1e9ca 5487int wpas_p2p_listen_start(struct wpa_supplicant *wpa_s, unsigned int timeout)
b22128ef
JM		 5488{
5489 /* Limit maximum Listen state time based on driver limitation. */
5490 if (timeout > wpa_s->max_remain_on_chan)
5491 timeout = wpa_s->max_remain_on_chan;
5492
5493 return p2p_listen(wpa_s->global->p2p, timeout);
5494}
5495
5496
5497/**
5498 * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout
5499 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5500 * @freq: Frequency of the channel in MHz
5501 *
5502 * This callback is called when the driver indicates that a remain-on-channel
5503 * operation has been completed, i.e., the duration on the requested channel
5504 * has timed out.
5505 */
5506void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
5507 unsigned int freq)
5508{
1cc3a29d 5509 wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel callback "
11fb02be 5510 "(p2p_long_listen=%d ms pending_action_tx=%p)",
2f3101d8 5511 wpa_s->p2p_long_listen, offchannel_pending_action_tx(wpa_s));
e1d1c8e2 5512 wpas_p2p_listen_work_done(wpa_s);
9526fd29
JM		 5513 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
5514 return;
49e1e9ca
JJ		 5515 if (wpa_s->p2p_long_listen > 0)
5516 wpa_s->p2p_long_listen -= wpa_s->max_remain_on_chan;
b22128ef
JM		 5517 if (p2p_listen_end(wpa_s->global->p2p, freq) > 0)
5518 return; /* P2P module started a new operation */
2f3101d8 5519 if (offchannel_pending_action_tx(wpa_s))
b22128ef 5520 return;
b22128ef
JM		 5521 if (wpa_s->p2p_long_listen > 0) {
5522 wpa_printf(MSG_DEBUG, "P2P: Continuing long Listen state");
11fb02be 5523 wpas_p2p_listen_start(wpa_s, wpa_s->p2p_long_listen);
0b5fb86a
SADR		 5524 } else {
5525 /*
5526 * When listen duration is over, stop listen & update p2p_state
5527 * to IDLE.
5528 */
5529 p2p_stop_listen(wpa_s->global->p2p);
b22128ef
JM		 5530 }
5531}
5532
5533
5534/**
5535 * wpas_p2p_group_remove - Remove a P2P group
5536 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5537 * @ifname: Network interface name of the group interface or "*" to remove all
5538 * groups
5539 * Returns: 0 on success, -1 on failure
5540 *
5541 * This function is used to remove a P2P group. This can be used to disconnect
5542 * from a group in which the local end is a P2P Client or to end a P2P Group in
5543 * case the local end is the Group Owner. If a virtual network interface was
5544 * created for this group, that interface will be removed. Otherwise, only the
5545 * configured P2P group network will be removed from the interface.
5546 */
5547int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname)
5548{
5549 struct wpa_global *global = wpa_s->global;
f2b3acc9 5550 struct wpa_supplicant *calling_wpa_s = wpa_s;
b22128ef
JM		 5551
5552 if (os_strcmp(ifname, "*") == 0) {
5553 struct wpa_supplicant *prev;
5554 wpa_s = global->ifaces;
5555 while (wpa_s) {
5556 prev = wpa_s;
5557 wpa_s = wpa_s->next;
d99ca89d
IP		 5558 if (prev->p2p_group_interface !=
5559 NOT_P2P_GROUP_INTERFACE ||
5560 (prev->current_ssid &&
5561 prev->current_ssid->p2p_group))
f2b3acc9 5562 wpas_p2p_disconnect_safely(prev, calling_wpa_s);
b22128ef
JM		 5563 }
5564 return 0;
5565 }
5566
5567 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
5568 if (os_strcmp(wpa_s->ifname, ifname) == 0)
5569 break;
5570 }
5571
f2b3acc9 5572 return wpas_p2p_disconnect_safely(wpa_s, calling_wpa_s);
b22128ef
JM		 5573}
5574
5575
4abc0424
WJL		 5576static int wpas_p2p_select_go_freq(struct wpa_supplicant *wpa_s, int freq)
5577{
5578 unsigned int r;
5579
8e84921e
AK		 5580 if (!wpa_s->conf->num_p2p_pref_chan && !freq) {
5581 unsigned int i, size = P2P_MAX_PREF_CHANNELS;
5582 unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS];
5583 int res;
5584
5585 res = wpa_drv_get_pref_freq_list(wpa_s, WPA_IF_P2P_GO,
5586 &size, pref_freq_list);
5587 if (!res && size > 0) {
5588 i = 0;
5589 while (wpas_p2p_disallowed_freq(wpa_s->global,
5590 pref_freq_list[i]) &&
5591 i < size) {
5592 wpa_printf(MSG_DEBUG,
5593 "P2P: preferred_freq_list[%d]=%d is disallowed",
5594 i, pref_freq_list[i]);
5595 i++;
5596 }
5597 if (i != size) {
5598 freq = pref_freq_list[i];
5599 wpa_printf(MSG_DEBUG,
5600 "P2P: Using preferred_freq_list[%d]=%d",
5601 i, freq);
5602 } else {
5603 wpa_printf(MSG_DEBUG,
5604 "P2P: All driver preferred frequencies are disallowed for P2P use");
5605 }
5606 } else {
5607 wpa_printf(MSG_DEBUG,
5608 "P2P: No preferred frequency list available");
5609 }
5610 }
5611
4abc0424
WJL		 5612 if (freq == 2) {
5613 wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 2.4 GHz "
5614 "band");
5615 if (wpa_s->best_24_freq > 0 &&
556b30da
JM		 5616 p2p_supported_freq_go(wpa_s->global->p2p,
5617 wpa_s->best_24_freq)) {
4abc0424
WJL		 5618 freq = wpa_s->best_24_freq;
5619 wpa_printf(MSG_DEBUG, "P2P: Use best 2.4 GHz band "
5620 "channel: %d MHz", freq);
5621 } else {
df2508d7
JM		 5622 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
5623 return -1;
4abc0424
WJL		 5624 freq = 2412 + (r % 3) * 25;
5625 wpa_printf(MSG_DEBUG, "P2P: Use random 2.4 GHz band "
5626 "channel: %d MHz", freq);
5627 }
5628 }
5629
5630 if (freq == 5) {
5631 wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 5 GHz "
5632 "band");
5633 if (wpa_s->best_5_freq > 0 &&
556b30da 5634 p2p_supported_freq_go(wpa_s->global->p2p,
4abc0424
WJL		 5635 wpa_s->best_5_freq)) {
5636 freq = wpa_s->best_5_freq;
5637 wpa_printf(MSG_DEBUG, "P2P: Use best 5 GHz band "
5638 "channel: %d MHz", freq);
5639 } else {
df2508d7
JM		 5640 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
5641 return -1;
4abc0424 5642 freq = 5180 + (r % 4) * 20;
556b30da 5643 if (!p2p_supported_freq_go(wpa_s->global->p2p, freq)) {
4abc0424
WJL		 5644 wpa_printf(MSG_DEBUG, "P2P: Could not select "
5645 "5 GHz channel for P2P group");
5646 return -1;
5647 }
5648 wpa_printf(MSG_DEBUG, "P2P: Use random 5 GHz band "
5649 "channel: %d MHz", freq);
5650 }
5651 }
5652
556b30da 5653 if (freq > 0 && !p2p_supported_freq_go(wpa_s->global->p2p, freq)) {
d7f1aa8f
AK		 5654 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) &&
5655 ieee80211_is_dfs(freq)) {
5656 /*
5657 * If freq is a DFS channel and DFS is offloaded to the
5658 * driver, allow P2P GO to use it.
5659 */
5660 wpa_printf(MSG_DEBUG, "P2P: "
5661 "%s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded",
5662 __func__, freq);
5663 return freq;
5664 }
4abc0424
WJL		 5665 wpa_printf(MSG_DEBUG, "P2P: The forced channel for GO "
5666 "(%u MHz) is not supported for P2P uses",
5667 freq);
5668 return -1;
5669 }
5670
5671 return freq;
5672}
5673
5674
b1308121
IP		 5675static int wpas_p2p_supported_freq_go(struct wpa_supplicant *wpa_s,
5676 const struct p2p_channels *channels,
5677 int freq)
5678{
5679 if (!wpas_p2p_disallowed_freq(wpa_s->global, freq) &&
5680 p2p_supported_freq_go(wpa_s->global->p2p, freq) &&
5681 freq_included(wpa_s, channels, freq))
5682 return 1;
5683 return 0;
5684}
5685
5686
5687static void wpas_p2p_select_go_freq_no_pref(struct wpa_supplicant *wpa_s,
5688 struct p2p_go_neg_results *params,
5689 const struct p2p_channels *channels)
28812a89
IP		 5690{
5691 unsigned int i, r;
5692
5693 /* first try some random selection of the social channels */
5e62cfdf 5694 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
b1308121 5695 return;
28812a89
IP		 5696
5697 for (i = 0; i < 3; i++) {
5698 params->freq = 2412 + ((r + i) % 3) * 25;
b1308121 5699 if (wpas_p2p_supported_freq_go(wpa_s, channels, params->freq))
28812a89
IP		 5700 goto out;
5701 }
5702
b1308121 5703 /* try all other channels in operating class 81 */
28812a89
IP		 5704 for (i = 0; i < 11; i++) {
5705 params->freq = 2412 + i * 5;
b1308121
IP		 5706
5707 /* skip social channels; covered in the previous loop */
5708 if (params->freq == 2412 ||
5709 params->freq == 2437 ||
5710 params->freq == 2462)
5711 continue;
5712
5713 if (wpas_p2p_supported_freq_go(wpa_s, channels, params->freq))
1595eb93
AM		 5714 goto out;
5715 }
5716
95d7b863
KV		 5717 /* try all channels in operating class 115 */
5718 for (i = 0; i < 4; i++) {
5719 params->freq = 5180 + i * 20;
5720 if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
e280110d 5721 freq_included(wpa_s, channels, params->freq) &&
95d7b863
KV		 5722 p2p_supported_freq(wpa_s->global->p2p, params->freq))
5723 goto out;
5724 }
5725
5726 /* try all channels in operating class 124 */
5727 for (i = 0; i < 4; i++) {
5728 params->freq = 5745 + i * 20;
5729 if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
e280110d 5730 freq_included(wpa_s, channels, params->freq) &&
95d7b863
KV		 5731 p2p_supported_freq(wpa_s->global->p2p, params->freq))
5732 goto out;
5733 }
5734
1595eb93
AM		 5735 /* try social channel class 180 channel 2 */
5736 params->freq = 58320 + 1 * 2160;
5737 if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
e280110d 5738 freq_included(wpa_s, channels, params->freq) &&
1595eb93
AM		 5739 p2p_supported_freq(wpa_s->global->p2p, params->freq))
5740 goto out;
5741
5742 /* try all channels in reg. class 180 */
5743 for (i = 0; i < 4; i++) {
5744 params->freq = 58320 + i * 2160;
5745 if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
e280110d 5746 freq_included(wpa_s, channels, params->freq) &&
1595eb93 5747 p2p_supported_freq(wpa_s->global->p2p, params->freq))
28812a89
IP		 5748 goto out;
5749 }
5750
b1308121 5751 params->freq = 0;
95d7b863 5752 wpa_printf(MSG_DEBUG, "P2P: No 2.4, 5, or 60 GHz channel allowed");
b1308121 5753 return;
28812a89
IP		 5754out:
5755 wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz (no preference known)",
5756 params->freq);
28812a89
IP		 5757}
5758
5759
b8349523
NKG		 5760static int wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s,
5761 struct p2p_go_neg_results *params,
c27f4c90
AK		 5762 int freq, int vht_center_freq2, int ht40,
5763 int vht, int max_oper_chwidth,
54733624 5764 const struct p2p_channels *channels)
b22128ef 5765{
a0c90bb0 5766 struct wpa_used_freq_data *freqs;
b1308121 5767 unsigned int cand;
0d08efa4 5768 unsigned int num, i;
23dcb302 5769 int ignore_no_freqs = 0;
b22128ef
JM		 5770
5771 os_memset(params, 0, sizeof(*params));
5772 params->role_go = 1;
7aeac985 5773 params->ht40 = ht40;
20ea1ca4 5774 params->vht = vht;
c27f4c90
AK		 5775 params->max_oper_chwidth = max_oper_chwidth;
5776 params->vht_center_freq2 = vht_center_freq2;
e280110d 5777
b1308121
IP		 5778 freqs = os_calloc(wpa_s->num_multichan_concurrent,
5779 sizeof(struct wpa_used_freq_data));
5780 if (!freqs)
5781 return -1;
5782
23dcb302
IP		 5783 num = get_shared_radio_freqs_data(wpa_s, freqs,
5784 wpa_s->num_multichan_concurrent);
5785
5786 if (wpa_s->current_ssid &&
5787 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO &&
5788 wpa_s->wpa_state == WPA_COMPLETED) {
5789 wpa_printf(MSG_DEBUG, "P2P: %s called for an active GO",
5790 __func__);
5791
5792 /*
5793 * If the frequency selection is done for an active P2P GO that
5794 * is not sharing a frequency, allow to select a new frequency
5795 * even if there are no unused frequencies as we are about to
5796 * move the P2P GO so its frequency can be re-used.
5797 */
5798 for (i = 0; i < num; i++) {
5799 if (freqs[i].freq == wpa_s->current_ssid->frequency &&
5800 freqs[i].flags == 0) {
5801 ignore_no_freqs = 1;
5802 break;
5803 }
5804 }
5805 }
b1308121
IP		 5806
5807 /* try using the forced freq */
7cfc4ac3 5808 if (freq) {
b1308121
IP		 5809 if (!wpas_p2p_supported_freq_go(wpa_s, channels, freq)) {
5810 wpa_printf(MSG_DEBUG,
5811 "P2P: Forced GO freq %d MHz not accepted",
5812 freq);
5813 goto fail;
5814 }
5815
5816 for (i = 0; i < num; i++) {
5817 if (freqs[i].freq == freq) {
5818 wpa_printf(MSG_DEBUG,
5819 "P2P: forced freq (%d MHz) is also shared",
5820 freq);
5821 params->freq = freq;
5822 goto success;
5823 }
54733624 5824 }
b1308121 5825
23dcb302
IP		 5826 if (!ignore_no_freqs &&
5827 wpas_p2p_num_unused_channels(wpa_s) <= 0) {
b1308121
IP		 5828 wpa_printf(MSG_DEBUG,
5829 "P2P: Cannot force GO on freq (%d MHz) as all the channels are in use",
5830 freq);
5831 goto fail;
5832 }
5833
5834 wpa_printf(MSG_DEBUG,
5835 "P2P: force GO freq (%d MHz) on a free channel",
5836 freq);
b22128ef 5837 params->freq = freq;
b1308121
IP		 5838 goto success;
5839 }
5840
5841 /* consider using one of the shared frequencies */
5842 if (num) {
5843 cand = wpas_p2p_pick_best_used_freq(wpa_s, freqs, num);
5844 if (wpas_p2p_supported_freq_go(wpa_s, channels, cand)) {
5845 wpa_printf(MSG_DEBUG,
5846 "P2P: Use shared freq (%d MHz) for GO",
5847 freq);
5848 params->freq = cand;
5849 goto success;
5850 }
5851
5852 /* try using one of the shared freqs */
5853 for (i = 0; i < num; i++) {
5854 if (wpas_p2p_supported_freq_go(wpa_s, channels,
5855 freqs[i].freq)) {
5856 wpa_printf(MSG_DEBUG,
5857 "P2P: Use shared freq (%d MHz) for GO",
5858 freq);
5859 params->freq = freqs[i].freq;
5860 goto success;
5861 }
5862 }
5863 }
5864
23dcb302
IP		 5865 if (!ignore_no_freqs &&
5866 wpas_p2p_num_unused_channels(wpa_s) <= 0) {
b1308121
IP		 5867 wpa_printf(MSG_DEBUG,
5868 "P2P: Cannot force GO on any of the channels we are already using");
5869 goto fail;
5870 }
5871
5872 /* try using the setting from the configuration file */
5873 if (wpa_s->conf->p2p_oper_reg_class == 81 &&
5874 wpa_s->conf->p2p_oper_channel >= 1 &&
5875 wpa_s->conf->p2p_oper_channel <= 11 &&
5876 wpas_p2p_supported_freq_go(
5877 wpa_s, channels,
5878 2407 + 5 * wpa_s->conf->p2p_oper_channel)) {
b22128ef 5879 params->freq = 2407 + 5 * wpa_s->conf->p2p_oper_channel;
7cfc4ac3
AGS		 5880 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured "
5881 "frequency %d MHz", params->freq);
b1308121
IP		 5882 goto success;
5883 }
5884
5885 if ((wpa_s->conf->p2p_oper_reg_class == 115 ||
5886 wpa_s->conf->p2p_oper_reg_class == 116 ||
5887 wpa_s->conf->p2p_oper_reg_class == 117 ||
5888 wpa_s->conf->p2p_oper_reg_class == 124 ||
5889 wpa_s->conf->p2p_oper_reg_class == 125 ||
5890 wpa_s->conf->p2p_oper_reg_class == 126 ||
5891 wpa_s->conf->p2p_oper_reg_class == 127) &&
5892 wpas_p2p_supported_freq_go(wpa_s, channels,
5893 5000 +
5894 5 * wpa_s->conf->p2p_oper_channel)) {
b22128ef 5895 params->freq = 5000 + 5 * wpa_s->conf->p2p_oper_channel;
7cfc4ac3
AGS		 5896 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured "
5897 "frequency %d MHz", params->freq);
b1308121
IP		 5898 goto success;
5899 }
5900
5901 /* Try using best channels */
5902 if (wpa_s->conf->p2p_oper_channel == 0 &&
5903 wpa_s->best_overall_freq > 0 &&
5904 wpas_p2p_supported_freq_go(wpa_s, channels,
5905 wpa_s->best_overall_freq)) {
7cfc4ac3
AGS		 5906 params->freq = wpa_s->best_overall_freq;
5907 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best overall "
5908 "channel %d MHz", params->freq);
b1308121
IP		 5909 goto success;
5910 }
5911
5912 if (wpa_s->conf->p2p_oper_channel == 0 &&
5913 wpa_s->best_24_freq > 0 &&
5914 wpas_p2p_supported_freq_go(wpa_s, channels,
5915 wpa_s->best_24_freq)) {
7cfc4ac3
AGS		 5916 params->freq = wpa_s->best_24_freq;
5917 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 2.4 GHz "
5918 "channel %d MHz", params->freq);
b1308121
IP		 5919 goto success;
5920 }
5921
5922 if (wpa_s->conf->p2p_oper_channel == 0 &&
5923 wpa_s->best_5_freq > 0 &&
5924 wpas_p2p_supported_freq_go(wpa_s, channels,
5925 wpa_s->best_5_freq)) {
7cfc4ac3
AGS		 5926 params->freq = wpa_s->best_5_freq;
5927 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 5 GHz "
5928 "channel %d MHz", params->freq);
b1308121
IP		 5929 goto success;
5930 }
5931
5932 /* try using preferred channels */
5933 cand = p2p_get_pref_freq(wpa_s->global->p2p, channels);
5934 if (cand && wpas_p2p_supported_freq_go(wpa_s, channels, cand)) {
5935 params->freq = cand;
c6ccf12d
SS		 5936 wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz from preferred "
5937 "channels", params->freq);
b1308121
IP		 5938 goto success;
5939 }
5940
5941 /* Try using one of the group common freqs */
5942 if (wpa_s->p2p_group_common_freqs) {
e280110d 5943 for (i = 0; i < wpa_s->p2p_group_common_freqs_num; i++) {
b1308121
IP		 5944 cand = wpa_s->p2p_group_common_freqs[i];
5945 if (wpas_p2p_supported_freq_go(wpa_s, channels, cand)) {
5946 params->freq = cand;
e280110d
IP		 5947 wpa_printf(MSG_DEBUG,
5948 "P2P: Use freq %d MHz common with the peer",
5949 params->freq);
b1308121 5950 goto success;
e280110d
IP		 5951 }
5952 }
7cfc4ac3
AGS		 5953 }
5954
b1308121
IP		 5955 /* no preference, select some channel */
5956 wpas_p2p_select_go_freq_no_pref(wpa_s, params, channels);
a0c90bb0 5957
b1308121
IP		 5958 if (params->freq == 0) {
5959 wpa_printf(MSG_DEBUG, "P2P: did not find a freq for GO use");
5960 goto fail;
0d08efa4 5961 }
7d669cf7 5962
b1308121 5963success:
0d08efa4 5964 os_free(freqs);
b8349523 5965 return 0;
b1308121
IP		 5966fail:
5967 os_free(freqs);
5968 return -1;
b22128ef
JM		 5969}
5970
5971
5972static struct wpa_supplicant *
5973wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
5974 int go)
5975{
5976 struct wpa_supplicant *group_wpa_s;
5977
ac06fb12 5978 if (!wpas_p2p_create_iface(wpa_s)) {
96a26ab7
LD		 5979 if (wpa_s->p2p_mgmt) {
5980 /*
5981 * We may be called on the p2p_dev interface which
5982 * cannot be used for group operations, so always use
5983 * the primary interface.
5984 */
5985 wpa_s->parent->p2pdev = wpa_s;
5986 wpa_s = wpa_s->parent;
5987 }
5988 wpa_dbg(wpa_s, MSG_DEBUG,
5989 "P2P: Use primary interface for group operations");
bbc6c729 5990 wpa_s->p2p_first_connection_timeout = 0;
96a26ab7
LD		 5991 if (wpa_s != wpa_s->p2pdev)
5992 wpas_p2p_clone_config_dh(wpa_s, wpa_s->p2pdev);
b22128ef 5993 return wpa_s;
ac06fb12 5994 }
b22128ef
JM		 5995
5996 if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO :
ac06fb12 5997 WPA_IF_P2P_CLIENT) < 0) {
92c4465b
JM		 5998 wpa_msg_global(wpa_s, MSG_ERROR,
5999 "P2P: Failed to add group interface");
b22128ef 6000 return NULL;
ac06fb12 6001 }
b22128ef
JM		 6002 group_wpa_s = wpas_p2p_init_group_interface(wpa_s, go);
6003 if (group_wpa_s == NULL) {
92c4465b
JM		 6004 wpa_msg_global(wpa_s, MSG_ERROR,
6005 "P2P: Failed to initialize group interface");
b22128ef
JM		 6006 wpas_p2p_remove_pending_group_interface(wpa_s);
6007 return NULL;
6008 }
6009
ac06fb12
JM		 6010 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use separate group interface %s",
6011 group_wpa_s->ifname);
bbc6c729 6012 group_wpa_s->p2p_first_connection_timeout = 0;
b22128ef
JM		 6013 return group_wpa_s;
6014}
6015
6016
6017/**
6018 * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner
6019 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
6020 * @persistent_group: Whether to create a persistent group
6021 * @freq: Frequency for the group or 0 to indicate no hardcoding
c27f4c90 6022 * @vht_center_freq2: segment_1 center frequency for GO operating in VHT 80P80
20ea1ca4
EP		 6023 * @ht40: Start GO with 40 MHz channel width
6024 * @vht: Start GO with VHT support
c27f4c90 6025 * @vht_chwidth: channel bandwidth for GO operating with VHT support
b22128ef
JM		 6026 * Returns: 0 on success, -1 on failure
6027 *
6028 * This function creates a new P2P group with the local end as the Group Owner,
6029 * i.e., without using Group Owner Negotiation.
6030 */
6031int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group,
c27f4c90
AK		 6032 int freq, int vht_center_freq2, int ht40, int vht,
6033 int max_oper_chwidth)
b22128ef
JM		 6034{
6035 struct p2p_go_neg_results params;
7cfc4ac3 6036
9526fd29
JM		 6037 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6038 return -1;
6039
01a57fe4
JM		 6040 os_free(wpa_s->global->add_psk);
6041 wpa_s->global->add_psk = NULL;
6042
2d4f15d6
JJ		 6043 /* Make sure we are not running find during connection establishment */
6044 wpa_printf(MSG_DEBUG, "P2P: Stop any on-going P2P FIND");
8713a2e6 6045 wpas_p2p_stop_find_oper(wpa_s);
2d4f15d6 6046
4abc0424
WJL		 6047 freq = wpas_p2p_select_go_freq(wpa_s, freq);
6048 if (freq < 0)
4ae4650b 6049 return -1;
4ae4650b 6050
c27f4c90
AK		 6051 if (wpas_p2p_init_go_params(wpa_s, &params, freq, vht_center_freq2,
6052 ht40, vht, max_oper_chwidth, NULL))
b8349523 6053 return -1;
f4329aa2 6054 if (params.freq &&
556b30da 6055 !p2p_supported_freq_go(wpa_s->global->p2p, params.freq)) {
d7f1aa8f
AK		 6056 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) &&
6057 ieee80211_is_dfs(params.freq)) {
6058 /*
6059 * If freq is a DFS channel and DFS is offloaded to the
6060 * driver, allow P2P GO to use it.
6061 */
6062 wpa_printf(MSG_DEBUG,
6063 "P2P: %s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to driver",
6064 __func__, params.freq);
6065 } else {
6066 wpa_printf(MSG_DEBUG,
6067 "P2P: The selected channel for GO (%u MHz) is not supported for P2P uses",
6068 params.freq);
6069 return -1;
6070 }
f4329aa2 6071 }
b22128ef
JM		 6072 p2p_go_params(wpa_s->global->p2p, &params);
6073 params.persistent_group = persistent_group;
6074
6075 wpa_s = wpas_p2p_get_group_iface(wpa_s, 0, 1);
6076 if (wpa_s == NULL)
6077 return -1;
6078 wpas_start_wps_go(wpa_s, &params, 0);
6079
6080 return 0;
6081}
6082
6083
6084static int wpas_start_p2p_client(struct wpa_supplicant *wpa_s,
41d5ce9e 6085 struct wpa_ssid *params, int addr_allocated,
dfaf11d6 6086 int freq, int force_scan)
b22128ef
JM		 6087{
6088 struct wpa_ssid *ssid;
6089
6090 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 0);
6091 if (wpa_s == NULL)
6092 return -1;
dfaf11d6
JM		 6093 if (force_scan)
6094 os_get_reltime(&wpa_s->scan_min_time);
5bf9a6c8 6095 wpa_s->p2p_last_4way_hs_fail = NULL;
b22128ef
JM		 6096
6097 wpa_supplicant_ap_deinit(wpa_s);
6098
6099 ssid = wpa_config_add_network(wpa_s->conf);
6100 if (ssid == NULL)
6101 return -1;
9f59fe8d 6102 os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
b22128ef
JM		 6103 wpa_config_set_network_defaults(ssid);
6104 ssid->temporary = 1;
6105 ssid->proto = WPA_PROTO_RSN;
6106 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
6107 ssid->group_cipher = WPA_CIPHER_CCMP;
6108 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
6109 ssid->ssid = os_malloc(params->ssid_len);
6110 if (ssid->ssid == NULL) {
b22128ef
JM		 6111 wpa_config_remove_network(wpa_s->conf, ssid->id);
6112 return -1;
6113 }
6114 os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
6115 ssid->ssid_len = params->ssid_len;
6116 ssid->p2p_group = 1;
d1c8ac88 6117 ssid->export_keys = 1;
b22128ef
JM		 6118 if (params->psk_set) {
6119 os_memcpy(ssid->psk, params->psk, 32);
6120 ssid->psk_set = 1;
6121 }
6122 if (params->passphrase)
6123 ssid->passphrase = os_strdup(params->passphrase);
6124
b22128ef 6125 wpa_s->show_group_started = 1;
41d5ce9e
RR		 6126 wpa_s->p2p_in_invitation = 1;
6127 wpa_s->p2p_invite_go_freq = freq;
bf3214b5
JM		 6128 wpa_s->p2p_go_group_formation_completed = 0;
6129 wpa_s->global->p2p_group_formation = wpa_s;
b22128ef 6130
ba307f85 6131 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->p2pdev,
91364b7f
SDU		 6132 NULL);
6133 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0,
6134 wpas_p2p_group_formation_timeout,
ba307f85 6135 wpa_s->p2pdev, NULL);
6fc48481
RR		 6136 wpa_supplicant_select_network(wpa_s, ssid);
6137
b22128ef
JM		 6138 return 0;
6139}
6140
6141
6142int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s,
6143 struct wpa_ssid *ssid, int addr_allocated,
c27f4c90
AK		 6144 int force_freq, int neg_freq,
6145 int vht_center_freq2, int ht40,
6146 int vht, int max_oper_chwidth,
6147 const struct p2p_channels *channels,
dfaf11d6 6148 int connection_timeout, int force_scan)
b22128ef
JM		 6149{
6150 struct p2p_go_neg_results params;
062a7c0d 6151 int go = 0, freq;
b22128ef
JM		 6152
6153 if (ssid->disabled != 2 || ssid->ssid == NULL)
6154 return -1;
6155
6c0da49f
JM		 6156 if (wpas_get_p2p_group(wpa_s, ssid->ssid, ssid->ssid_len, &go) &&
6157 go == (ssid->mode == WPAS_MODE_P2P_GO)) {
6158 wpa_printf(MSG_DEBUG, "P2P: Requested persistent group is "
6159 "already running");
ccad05a9
KV		 6160 if (go == 0 &&
6161 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 6162 wpa_s->p2pdev, NULL)) {
ccad05a9
KV		 6163 /*
6164 * This can happen if Invitation Response frame was lost
6165 * and the peer (GO of a persistent group) tries to
6166 * invite us again. Reschedule the timeout to avoid
6167 * terminating the wait for the connection too early
6168 * since we now know that the peer is still trying to
6169 * invite us instead of having already started the GO.
6170 */
6171 wpa_printf(MSG_DEBUG,
6172 "P2P: Reschedule group formation timeout since peer is still trying to invite us");
6173 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0,
6174 wpas_p2p_group_formation_timeout,
ba307f85 6175 wpa_s->p2pdev, NULL);
ccad05a9 6176 }
6c0da49f
JM		 6177 return 0;
6178 }
6179
01a57fe4
JM		 6180 os_free(wpa_s->global->add_psk);
6181 wpa_s->global->add_psk = NULL;
6182
9d39057c 6183 /* Make sure we are not running find during connection establishment */
8713a2e6 6184 wpas_p2p_stop_find_oper(wpa_s);
b22128ef 6185
aa9bb764
JM		 6186 wpa_s->p2p_fallback_to_go_neg = 0;
6187
431dd8bb
MK		 6188 if (ssid->mode == WPAS_MODE_P2P_GO) {
6189 if (force_freq > 0) {
6190 freq = wpas_p2p_select_go_freq(wpa_s, force_freq);
6191 if (freq < 0)
6192 return -1;
6193 } else {
6194 freq = wpas_p2p_select_go_freq(wpa_s, neg_freq);
6195 if (freq < 0 ||
e280110d 6196 (freq > 0 && !freq_included(wpa_s, channels, freq)))
431dd8bb
MK		 6197 freq = 0;
6198 }
989e7846 6199 } else if (ssid->mode == WPAS_MODE_INFRA) {
431dd8bb 6200 freq = neg_freq;
e280110d 6201 if (freq <= 0 || !freq_included(wpa_s, channels, freq)) {
989e7846
AS		 6202 struct os_reltime now;
6203 struct wpa_bss *bss =
6204 wpa_bss_get_p2p_dev_addr(wpa_s, ssid->bssid);
6205
6206 os_get_reltime(&now);
6207 if (bss &&
6208 !os_reltime_expired(&now, &bss->last_update, 5) &&
e280110d 6209 freq_included(wpa_s, channels, bss->freq))
989e7846
AS		 6210 freq = bss->freq;
6211 else
6212 freq = 0;
6213 }
4abc0424 6214
dfaf11d6
JM		 6215 return wpas_start_p2p_client(wpa_s, ssid, addr_allocated, freq,
6216 force_scan);
989e7846 6217 } else {
41d5ce9e 6218 return -1;
989e7846 6219 }
41d5ce9e 6220
c27f4c90
AK		 6221 if (wpas_p2p_init_go_params(wpa_s, &params, freq, vht_center_freq2,
6222 ht40, vht, max_oper_chwidth, channels))
b8349523 6223 return -1;
b22128ef
JM		 6224
6225 params.role_go = 1;
30c371e8
MH		 6226 params.psk_set = ssid->psk_set;
6227 if (params.psk_set)
6228 os_memcpy(params.psk, ssid->psk, sizeof(params.psk));
bb4d4deb
MH		 6229 if (ssid->passphrase) {
6230 if (os_strlen(ssid->passphrase) >= sizeof(params.passphrase)) {
6231 wpa_printf(MSG_ERROR, "P2P: Invalid passphrase in "
6232 "persistent group");
6233 return -1;
6234 }
6235 os_strlcpy(params.passphrase, ssid->passphrase,
6236 sizeof(params.passphrase));
b22128ef 6237 }
b22128ef
JM		 6238 os_memcpy(params.ssid, ssid->ssid, ssid->ssid_len);
6239 params.ssid_len = ssid->ssid_len;
6240 params.persistent_group = 1;
6241
6242 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 1);
6243 if (wpa_s == NULL)
6244 return -1;
6245
1170239e
IP		 6246 p2p_channels_to_freqs(channels, params.freq_list, P2P_MAX_CHANNELS);
6247
bbc6c729 6248 wpa_s->p2p_first_connection_timeout = connection_timeout;
b22128ef
JM		 6249 wpas_start_wps_go(wpa_s, &params, 0);
6250
6251 return 0;
6252}
6253
6254
6255static void wpas_p2p_ie_update(void *ctx, struct wpabuf *beacon_ies,
6256 struct wpabuf *proberesp_ies)
6257{
6258 struct wpa_supplicant *wpa_s = ctx;
6259 if (wpa_s->ap_iface) {
6260 struct hostapd_data *hapd = wpa_s->ap_iface->bss[0];
adc33680
JM		 6261 if (!(hapd->conf->p2p & P2P_GROUP_OWNER)) {
6262 wpabuf_free(beacon_ies);
6263 wpabuf_free(proberesp_ies);
6264 return;
6265 }
b22128ef
JM		 6266 if (beacon_ies) {
6267 wpabuf_free(hapd->p2p_beacon_ie);
6268 hapd->p2p_beacon_ie = beacon_ies;
6269 }
6270 wpabuf_free(hapd->p2p_probe_resp_ie);
6271 hapd->p2p_probe_resp_ie = proberesp_ies;
6272 } else {
6273 wpabuf_free(beacon_ies);
6274 wpabuf_free(proberesp_ies);
6275 }
6276 wpa_supplicant_ap_update_beacon(wpa_s);
6277}
6278
6279
3071e181
JM		 6280static void wpas_p2p_idle_update(void *ctx, int idle)
6281{
6282 struct wpa_supplicant *wpa_s = ctx;
6283 if (!wpa_s->ap_iface)
6284 return;
6285 wpa_printf(MSG_DEBUG, "P2P: GO - group %sidle", idle ? "" : "not ");
95fb2db2
JM		 6286 if (idle) {
6287 if (wpa_s->global->p2p_fail_on_wps_complete &&
6288 wpa_s->p2p_in_provisioning) {
6289 wpas_p2p_grpform_fail_after_wps(wpa_s);
6290 return;
6291 }
3071e181 6292 wpas_p2p_set_group_idle_timeout(wpa_s);
95fb2db2 6293 } else
3071e181
JM		 6294 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
6295}
6296
6297
b22128ef 6298struct p2p_group * wpas_p2p_group_init(struct wpa_supplicant *wpa_s,
6f251b6b 6299 struct wpa_ssid *ssid)
b22128ef
JM		 6300{
6301 struct p2p_group *group;
6302 struct p2p_group_config *cfg;
6303
9526fd29
JM		 6304 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6305 return NULL;
3ac17eba 6306
b22128ef
JM		 6307 cfg = os_zalloc(sizeof(*cfg));
6308 if (cfg == NULL)
6309 return NULL;
6310
6f251b6b 6311 if (ssid->p2p_persistent_group && wpa_s->conf->persistent_reconnect)
acc247b2 6312 cfg->persistent_group = 2;
6f251b6b 6313 else if (ssid->p2p_persistent_group)
acc247b2 6314 cfg->persistent_group = 1;
b22128ef 6315 os_memcpy(cfg->interface_addr, wpa_s->own_addr, ETH_ALEN);
3f4ce13f
JM		 6316 if (wpa_s->max_stations &&
6317 wpa_s->max_stations < wpa_s->conf->max_num_sta)
6318 cfg->max_clients = wpa_s->max_stations;
6319 else
6320 cfg->max_clients = wpa_s->conf->max_num_sta;
6f251b6b
JM		 6321 os_memcpy(cfg->ssid, ssid->ssid, ssid->ssid_len);
6322 cfg->ssid_len = ssid->ssid_len;
ea43ad96 6323 cfg->freq = ssid->frequency;
b22128ef
JM		 6324 cfg->cb_ctx = wpa_s;
6325 cfg->ie_update = wpas_p2p_ie_update;
3071e181 6326 cfg->idle_update = wpas_p2p_idle_update;
b22128ef
JM		 6327
6328 group = p2p_group_init(wpa_s->global->p2p, cfg);
6329 if (group == NULL)
6330 os_free(cfg);
6f251b6b 6331 if (ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION)
b22128ef
JM		 6332 p2p_group_notif_formation_done(group);
6333 wpa_s->p2p_group = group;
6334 return group;
6335}
6336
6337
6338void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
6339 int registrar)
6340{
10531d21
JM		 6341 struct wpa_ssid *ssid = wpa_s->current_ssid;
6342
b22128ef
JM		 6343 if (!wpa_s->p2p_in_provisioning) {
6344 wpa_printf(MSG_DEBUG, "P2P: Ignore WPS success event - P2P "
6345 "provisioning not in progress");
6346 return;
6347 }
6348
10531d21
JM		 6349 if (ssid && ssid->mode == WPAS_MODE_INFRA) {
6350 u8 go_dev_addr[ETH_ALEN];
6351 os_memcpy(go_dev_addr, wpa_s->bssid, ETH_ALEN);
6352 wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid,
6353 ssid->ssid_len);
6354 /* Clear any stored provisioning info */
6355 p2p_clear_provisioning_info(wpa_s->global->p2p, go_dev_addr);
6356 }
ec437d9e 6357
ba307f85 6358 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->p2pdev,
b22128ef 6359 NULL);
41f85323 6360 wpa_s->p2p_go_group_formation_completed = 1;
361cdf34
JM		 6361 if (ssid && ssid->mode == WPAS_MODE_INFRA) {
6362 /*
6363 * Use a separate timeout for initial data connection to
6364 * complete to allow the group to be removed automatically if
6365 * something goes wrong in this step before the P2P group idle
6366 * timeout mechanism is taken into use.
6367 */
41f85323
JM		 6368 wpa_dbg(wpa_s, MSG_DEBUG,
6369 "P2P: Re-start group formation timeout (%d seconds) as client for initial connection",
6370 P2P_MAX_INITIAL_CONN_WAIT);
361cdf34
JM		 6371 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0,
6372 wpas_p2p_group_formation_timeout,
ba307f85 6373 wpa_s->p2pdev, NULL);
328f49ac
JM		 6374 /* Complete group formation on successful data connection. */
6375 wpa_s->p2p_go_group_formation_completed = 0;
41f85323
JM		 6376 } else if (ssid) {
6377 /*
6378 * Use a separate timeout for initial data connection to
6379 * complete to allow the group to be removed automatically if
6380 * the client does not complete data connection successfully.
6381 */
6382 wpa_dbg(wpa_s, MSG_DEBUG,
6383 "P2P: Re-start group formation timeout (%d seconds) as GO for initial connection",
6384 P2P_MAX_INITIAL_CONN_WAIT_GO);
6385 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT_GO, 0,
6386 wpas_p2p_group_formation_timeout,
ba307f85 6387 wpa_s->p2pdev, NULL);
41f85323
JM		 6388 /*
6389 * Complete group formation on first successful data connection
6390 */
6391 wpa_s->p2p_go_group_formation_completed = 0;
361cdf34 6392 }
b22128ef
JM		 6393 if (wpa_s->global->p2p)
6394 p2p_wps_success_cb(wpa_s->global->p2p, peer_addr);
d95c5994 6395 wpas_group_formation_completed(wpa_s, 1, 0);
b22128ef
JM		 6396}
6397
6398
3734552f
JS		 6399void wpas_p2p_wps_failed(struct wpa_supplicant *wpa_s,
6400 struct wps_event_fail *fail)
6401{
6402 if (!wpa_s->p2p_in_provisioning) {
6403 wpa_printf(MSG_DEBUG, "P2P: Ignore WPS fail event - P2P "
6404 "provisioning not in progress");
6405 return;
6406 }
ec437d9e
JJ		 6407
6408 if (wpa_s->go_params) {
6409 p2p_clear_provisioning_info(
6410 wpa_s->global->p2p,
10531d21 6411 wpa_s->go_params->peer_device_addr);
ec437d9e
JJ		 6412 }
6413
3734552f 6414 wpas_notify_p2p_wps_failed(wpa_s, fail);
95fb2db2
JM		 6415
6416 if (wpa_s == wpa_s->global->p2p_group_formation) {
6417 /*
6418 * Allow some time for the failed WPS negotiation exchange to
6419 * complete, but remove the group since group formation cannot
6420 * succeed after provisioning failure.
6421 */
6422 wpa_printf(MSG_DEBUG, "P2P: WPS step failed during group formation - reject connection from timeout");
6423 wpa_s->global->p2p_fail_on_wps_complete = 1;
6424 eloop_deplete_timeout(0, 50000,
6425 wpas_p2p_group_formation_timeout,
ba307f85 6426 wpa_s->p2pdev, NULL);
95fb2db2
JM		 6427 }
6428}
6429
6430
6431int wpas_p2p_wps_eapol_cb(struct wpa_supplicant *wpa_s)
6432{
6433 if (!wpa_s->global->p2p_fail_on_wps_complete ||
6434 !wpa_s->p2p_in_provisioning)
6435 return 0;
6436
6437 wpas_p2p_grpform_fail_after_wps(wpa_s);
6438
6439 return 1;
3734552f
JS		 6440}
6441
6442
b22128ef 6443int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
0918c4bf 6444 const char *config_method,
6d908514
KV		 6445 enum wpas_p2p_prov_disc_use use,
6446 struct p2ps_provision *p2ps_prov)
b22128ef
JM		 6447{
6448 u16 config_methods;
6449
9a58e521 6450 wpa_s->global->pending_p2ps_group = 0;
8bb8e6ed 6451 wpa_s->global->pending_p2ps_group_freq = 0;
aa9bb764 6452 wpa_s->p2p_fallback_to_go_neg = 0;
0918c4bf 6453 wpa_s->pending_pd_use = NORMAL_PD;
6d908514
KV		 6454 if (p2ps_prov && use == WPAS_P2P_PD_FOR_ASP) {
6455 p2ps_prov->conncap = p2ps_group_capability(
ebd32943
IP		 6456 wpa_s, P2PS_SETUP_NONE, p2ps_prov->role,
6457 &p2ps_prov->force_freq, &p2ps_prov->pref_freq);
6458
6d908514
KV		 6459 wpa_printf(MSG_DEBUG,
6460 "P2P: %s conncap: %d - ASP parsed: %x %x %d %s",
6461 __func__, p2ps_prov->conncap,
6462 p2ps_prov->adv_id, p2ps_prov->conncap,
6463 p2ps_prov->status, p2ps_prov->info);
6464
6465 config_methods = 0;
6466 } else if (os_strncmp(config_method, "display", 7) == 0)
b22128ef 6467 config_methods = WPS_CONFIG_DISPLAY;
8c5f7309 6468 else if (os_strncmp(config_method, "keypad", 6) == 0)
b22128ef 6469 config_methods = WPS_CONFIG_KEYPAD;
8c5f7309
JJ		 6470 else if (os_strncmp(config_method, "pbc", 3) == 0 ||
6471 os_strncmp(config_method, "pushbutton", 10) == 0)
b22128ef 6472 config_methods = WPS_CONFIG_PUSHBUTTON;
8c5f7309
JJ		 6473 else {
6474 wpa_printf(MSG_DEBUG, "P2P: Unknown config method");
6d908514 6475 os_free(p2ps_prov);
b22128ef 6476 return -1;
8c5f7309 6477 }
b22128ef 6478
0918c4bf
JM		 6479 if (use == WPAS_P2P_PD_AUTO) {
6480 os_memcpy(wpa_s->pending_join_dev_addr, peer_addr, ETH_ALEN);
6481 wpa_s->pending_pd_config_methods = config_methods;
6482 wpa_s->p2p_auto_pd = 1;
6483 wpa_s->p2p_auto_join = 0;
6484 wpa_s->pending_pd_before_join = 0;
84286a22 6485 wpa_s->auto_pd_scan_retry = 0;
0918c4bf
JM		 6486 wpas_p2p_stop_find(wpa_s);
6487 wpa_s->p2p_join_scan_count = 0;
acb69cec 6488 os_get_reltime(&wpa_s->p2p_auto_started);
84286a22
SDU		 6489 wpa_printf(MSG_DEBUG, "P2P: Auto PD started at %ld.%06ld",
6490 wpa_s->p2p_auto_started.sec,
6491 wpa_s->p2p_auto_started.usec);
0918c4bf
JM		 6492 wpas_p2p_join_scan(wpa_s, NULL);
6493 return 0;
6494 }
6495
6d908514
KV		 6496 if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled) {
6497 os_free(p2ps_prov);
b22128ef 6498 return -1;
6d908514 6499 }
b22128ef 6500
6d908514 6501 return p2p_prov_disc_req(wpa_s->global->p2p, peer_addr, p2ps_prov,
0918c4bf 6502 config_methods, use == WPAS_P2P_PD_FOR_JOIN,
67527166 6503 0, 1);
b22128ef
JM		 6504}
6505
6506
6507int wpas_p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
6508 char *end)
6509{
6510 return p2p_scan_result_text(ies, ies_len, buf, end);
6511}
6512
6513
1cc3a29d
JM		 6514static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant *wpa_s)
6515{
2f3101d8 6516 if (!offchannel_pending_action_tx(wpa_s))
1cc3a29d
JM		 6517 return;
6518
944f6935 6519 if (wpa_s->p2p_send_action_work) {
2c51c0bd 6520 wpas_p2p_free_send_action_work(wpa_s);
944f6935
JM		 6521 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout,
6522 wpa_s, NULL);
6523 offchannel_send_action_done(wpa_s);
6524 }
2fa980f0 6525
1cc3a29d
JM		 6526 wpa_printf(MSG_DEBUG, "P2P: Drop pending Action TX due to new "
6527 "operation request");
2f3101d8 6528 offchannel_clear_pending_action_tx(wpa_s);
1cc3a29d
JM		 6529}
6530
6531
b22128ef 6532int wpas_p2p_find(struct wpa_supplicant *wpa_s, unsigned int timeout,
046ef4aa 6533 enum p2p_discovery_type type,
6d92fa6e 6534 unsigned int num_req_dev_types, const u8 *req_dev_types,
51775096 6535 const u8 *dev_id, unsigned int search_delay,
fa9f381f 6536 u8 seek_cnt, const char **seek_string, int freq)
b22128ef 6537{
1cc3a29d 6538 wpas_p2p_clear_pending_action_tx(wpa_s);
b22128ef
JM		 6539 wpa_s->p2p_long_listen = 0;
6540
5bda43cd 6541 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL ||
85a6cdb5 6542 wpa_s->p2p_in_provisioning)
9526fd29
JM		 6543 return -1;
6544
433cd2ce
JM		 6545 wpa_supplicant_cancel_sched_scan(wpa_s);
6546
046ef4aa 6547 return p2p_find(wpa_s->global->p2p, timeout, type,
37448ede 6548 num_req_dev_types, req_dev_types, dev_id,
fa9f381f 6549 search_delay, seek_cnt, seek_string, freq);
b22128ef
JM		 6550}
6551
6552
477b082c
SD		 6553static void wpas_p2p_scan_res_ignore_search(struct wpa_supplicant *wpa_s,
6554 struct wpa_scan_results *scan_res)
6555{
6556 wpa_printf(MSG_DEBUG, "P2P: Ignore scan results");
6557
6558 if (wpa_s->p2p_scan_work) {
6559 struct wpa_radio_work *work = wpa_s->p2p_scan_work;
6560 wpa_s->p2p_scan_work = NULL;
6561 radio_work_done(work);
6562 }
6563
6564 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6565 return;
6566
6567 /*
6568 * Indicate that results have been processed so that the P2P module can
6569 * continue pending tasks.
6570 */
6571 p2p_scan_res_handled(wpa_s->global->p2p);
6572}
6573
6574
a6294141 6575static void wpas_p2p_stop_find_oper(struct wpa_supplicant *wpa_s)
b22128ef 6576{
1cc3a29d 6577 wpas_p2p_clear_pending_action_tx(wpa_s);
b22128ef 6578 wpa_s->p2p_long_listen = 0;
9d39057c 6579 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
ef922c4a 6580 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
b22128ef 6581
9526fd29
JM		 6582 if (wpa_s->global->p2p)
6583 p2p_stop_find(wpa_s->global->p2p);
477b082c
SD		 6584
6585 if (wpa_s->scan_res_handler == wpas_p2p_scan_res_handler) {
6586 wpa_printf(MSG_DEBUG,
6587 "P2P: Do not consider the scan results after stop_find");
6588 wpa_s->scan_res_handler = wpas_p2p_scan_res_ignore_search;
6589 }
8713a2e6
JM		 6590}
6591
6592
6593void wpas_p2p_stop_find(struct wpa_supplicant *wpa_s)
6594{
a6294141 6595 wpas_p2p_stop_find_oper(wpa_s);
93eca615
KV		 6596 if (!wpa_s->global->pending_group_iface_for_p2ps)
6597 wpas_p2p_remove_pending_group_interface(wpa_s);
b22128ef
JM		 6598}
6599
6600
6601static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx)
6602{
6603 struct wpa_supplicant *wpa_s = eloop_ctx;
6604 wpa_s->p2p_long_listen = 0;
6605}
6606
6607
6608int wpas_p2p_listen(struct wpa_supplicant *wpa_s, unsigned int timeout)
6609{
6610 int res;
6611
9526fd29
JM		 6612 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6613 return -1;
6614
433cd2ce 6615 wpa_supplicant_cancel_sched_scan(wpa_s);
1cc3a29d
JM		 6616 wpas_p2p_clear_pending_action_tx(wpa_s);
6617
b22128ef
JM		 6618 if (timeout == 0) {
6619 /*
6620 * This is a request for unlimited Listen state. However, at
6621 * least for now, this is mapped to a Listen state for one
6622 * hour.
6623 */
6624 timeout = 3600;
6625 }
6626 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
6627 wpa_s->p2p_long_listen = 0;
6628
2bb747e2
JM		 6629 /*
6630 * Stop previous find/listen operation to avoid trying to request a new
6631 * remain-on-channel operation while the driver is still running the
6632 * previous one.
6633 */
6634 if (wpa_s->global->p2p)
6635 p2p_stop_find(wpa_s->global->p2p);
6636
b22128ef
JM		 6637 res = wpas_p2p_listen_start(wpa_s, timeout * 1000);
6638 if (res == 0 && timeout * 1000 > wpa_s->max_remain_on_chan) {
11fb02be 6639 wpa_s->p2p_long_listen = timeout * 1000;
b22128ef
JM		 6640 eloop_register_timeout(timeout, 0,
6641 wpas_p2p_long_listen_timeout,
6642 wpa_s, NULL);
6643 }
6644
6645 return res;
6646}
6647
6648
4c08c0bd 6649int wpas_p2p_assoc_req_ie(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
b22128ef
JM		 6650 u8 *buf, size_t len, int p2p_group)
6651{
4c08c0bd
JM		 6652 struct wpabuf *p2p_ie;
6653 int ret;
6654
b22128ef
JM		 6655 if (wpa_s->global->p2p_disabled)
6656 return -1;
d63f1419
SD		 6657 /*
6658 * Advertize mandatory cross connection capability even on
6659 * p2p_disabled=1 interface when associating with a P2P Manager WLAN AP.
6660 */
6661 if (wpa_s->conf->p2p_disabled && p2p_group)
1c2aa04c 6662 return -1;
b22128ef
JM		 6663 if (wpa_s->global->p2p == NULL)
6664 return -1;
e1f1509b
JM		 6665 if (bss == NULL)
6666 return -1;
b22128ef 6667
4c08c0bd
JM		 6668 p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
6669 ret = p2p_assoc_req_ie(wpa_s->global->p2p, bss->bssid, buf, len,
6670 p2p_group, p2p_ie);
6671 wpabuf_free(p2p_ie);
6672
6673 return ret;
b22128ef
JM		 6674}
6675
6676
6677int wpas_p2p_probe_req_rx(struct wpa_supplicant *wpa_s, const u8 *addr,
04a85e44 6678 const u8 *dst, const u8 *bssid,
734ddf61
MS		 6679 const u8 *ie, size_t ie_len,
6680 unsigned int rx_freq, int ssi_signal)
b22128ef
JM		 6681{
6682 if (wpa_s->global->p2p_disabled)
6683 return 0;
6684 if (wpa_s->global->p2p == NULL)
6685 return 0;
6686
2d43d37f 6687 switch (p2p_probe_req_rx(wpa_s->global->p2p, addr, dst, bssid,
734ddf61 6688 ie, ie_len, rx_freq)) {
2d43d37f
JB		 6689 case P2P_PREQ_NOT_P2P:
6690 wpas_notify_preq(wpa_s, addr, dst, bssid, ie, ie_len,
6691 ssi_signal);
6692 /* fall through */
6693 case P2P_PREQ_MALFORMED:
6694 case P2P_PREQ_NOT_LISTEN:
6695 case P2P_PREQ_NOT_PROCESSED:
6696 default: /* make gcc happy */
6697 return 0;
6698 case P2P_PREQ_PROCESSED:
6699 return 1;
6700 }
b22128ef
JM		 6701}
6702
6703
6704void wpas_p2p_rx_action(struct wpa_supplicant *wpa_s, const u8 *da,
6705 const u8 *sa, const u8 *bssid,
6706 u8 category, const u8 *data, size_t len, int freq)
6707{
6708 if (wpa_s->global->p2p_disabled)
6709 return;
6710 if (wpa_s->global->p2p == NULL)
6711 return;
6712
6713 p2p_rx_action(wpa_s->global->p2p, da, sa, bssid, category, data, len,
6714 freq);
6715}
6716
6717
6718void wpas_p2p_scan_ie(struct wpa_supplicant *wpa_s, struct wpabuf *ies)
6719{
c58eed6d
LD		 6720 unsigned int bands;
6721
b22128ef
JM		 6722 if (wpa_s->global->p2p_disabled)
6723 return;
6724 if (wpa_s->global->p2p == NULL)
6725 return;
6726
c58eed6d
LD		 6727 bands = wpas_get_bands(wpa_s, NULL);
6728 p2p_scan_ie(wpa_s->global->p2p, ies, NULL, bands);
b22128ef
JM		 6729}
6730
6731
bd10d938 6732static void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s)
b22128ef
JM		 6733{
6734 p2p_group_deinit(wpa_s->p2p_group);
6735 wpa_s->p2p_group = NULL;
a7fd39bb
JD		 6736
6737 wpa_s->ap_configured_cb = NULL;
6738 wpa_s->ap_configured_cb_ctx = NULL;
6739 wpa_s->ap_configured_cb_data = NULL;
6740 wpa_s->connect_without_scan = NULL;
b22128ef
JM		 6741}
6742
6743
6744int wpas_p2p_reject(struct wpa_supplicant *wpa_s, const u8 *addr)
6745{
6746 wpa_s->p2p_long_listen = 0;
6747
9526fd29
JM		 6748 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6749 return -1;
6750
b22128ef
JM		 6751 return p2p_reject(wpa_s->global->p2p, addr);
6752}
6753
6754
6755/* Invite to reinvoke a persistent group */
6756int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
4d32c0c4 6757 struct wpa_ssid *ssid, const u8 *go_dev_addr, int freq,
c27f4c90
AK		 6758 int vht_center_freq2, int ht40, int vht, int max_chwidth,
6759 int pref_freq)
b22128ef
JM		 6760{
6761 enum p2p_invite_role role;
0d08efa4
IP		 6762 u8 *bssid = NULL;
6763 int force_freq = 0;
5de4b721 6764 int res;
d0f61a4b 6765 int no_pref_freq_given = pref_freq == 0;
370017d9 6766 unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size;
b22128ef 6767
dbca75f8 6768 wpa_s->global->p2p_invite_group = NULL;
77e4e853
JM		 6769 if (peer_addr)
6770 os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN);
6771 else
6772 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6773
4d32c0c4
JM		 6774 wpa_s->p2p_persistent_go_freq = freq;
6775 wpa_s->p2p_go_ht40 = !!ht40;
c27f4c90
AK		 6776 wpa_s->p2p_go_vht = !!vht;
6777 wpa_s->p2p_go_max_oper_chwidth = max_chwidth;
6778 wpa_s->p2p_go_vht_center_freq2 = vht_center_freq2;
b22128ef
JM		 6779 if (ssid->mode == WPAS_MODE_P2P_GO) {
6780 role = P2P_INVITE_ROLE_GO;
6781 if (peer_addr == NULL) {
6782 wpa_printf(MSG_DEBUG, "P2P: Missing peer "
6783 "address in invitation command");
6784 return -1;
6785 }
6786 if (wpas_p2p_create_iface(wpa_s)) {
6787 if (wpas_p2p_add_group_interface(wpa_s,
6788 WPA_IF_P2P_GO) < 0) {
6789 wpa_printf(MSG_ERROR, "P2P: Failed to "
6790 "allocate a new interface for the "
6791 "group");
6792 return -1;
6793 }
6794 bssid = wpa_s->pending_interface_addr;
96a26ab7
LD		 6795 } else if (wpa_s->p2p_mgmt)
6796 bssid = wpa_s->parent->own_addr;
6797 else
b22128ef
JM		 6798 bssid = wpa_s->own_addr;
6799 } else {
6800 role = P2P_INVITE_ROLE_CLIENT;
6801 peer_addr = ssid->bssid;
6802 }
6803 wpa_s->pending_invite_ssid_id = ssid->id;
6804
370017d9 6805 size = P2P_MAX_PREF_CHANNELS;
51e9f228 6806 res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq,
370017d9
AK		 6807 role == P2P_INVITE_ROLE_GO,
6808 pref_freq_list, &size);
5de4b721
JM		 6809 if (res)
6810 return res;
79879f4a 6811
9526fd29
JM		 6812 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6813 return -1;
6814
1b3dd69d
AB		 6815 p2p_set_own_pref_freq_list(wpa_s->global->p2p, pref_freq_list, size);
6816
d0f61a4b
JM		 6817 if (wpa_s->parent->conf->p2p_ignore_shared_freq &&
6818 no_pref_freq_given && pref_freq > 0 &&
6819 wpa_s->num_multichan_concurrent > 1 &&
6820 wpas_p2p_num_unused_channels(wpa_s) > 0) {
6821 wpa_printf(MSG_DEBUG, "P2P: Ignore own channel preference %d MHz for invitation due to p2p_ignore_shared_freq=1 configuration",
6822 pref_freq);
6823 pref_freq = 0;
6824 }
6825
b72b2ad3
IP		 6826 /*
6827 * Stop any find/listen operations before invitation and possibly
6828 * connection establishment.
6829 */
6830 wpas_p2p_stop_find_oper(wpa_s);
6831
b22128ef 6832 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
79879f4a 6833 ssid->ssid, ssid->ssid_len, force_freq, go_dev_addr,
8e9f53c3 6834 1, pref_freq, -1);
b22128ef
JM		 6835}
6836
6837
6838/* Invite to join an active group */
6839int wpas_p2p_invite_group(struct wpa_supplicant *wpa_s, const char *ifname,
6840 const u8 *peer_addr, const u8 *go_dev_addr)
6841{
6842 struct wpa_global *global = wpa_s->global;
6843 enum p2p_invite_role role;
0d08efa4 6844 u8 *bssid = NULL;
b22128ef 6845 struct wpa_ssid *ssid;
c427ac92 6846 int persistent;
73b54d63 6847 int freq = 0, force_freq = 0, pref_freq = 0;
5de4b721 6848 int res;
370017d9 6849 unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size;
b22128ef 6850
4d32c0c4
JM		 6851 wpa_s->p2p_persistent_go_freq = 0;
6852 wpa_s->p2p_go_ht40 = 0;
20ea1ca4 6853 wpa_s->p2p_go_vht = 0;
c27f4c90
AK		 6854 wpa_s->p2p_go_vht_center_freq2 = 0;
6855 wpa_s->p2p_go_max_oper_chwidth = 0;
4d32c0c4 6856
b22128ef
JM		 6857 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6858 if (os_strcmp(wpa_s->ifname, ifname) == 0)
6859 break;
6860 }
6861 if (wpa_s == NULL) {
6862 wpa_printf(MSG_DEBUG, "P2P: Interface '%s' not found", ifname);
6863 return -1;
6864 }
6865
6866 ssid = wpa_s->current_ssid;
6867 if (ssid == NULL) {
6868 wpa_printf(MSG_DEBUG, "P2P: No current SSID to use for "
6869 "invitation");
6870 return -1;
6871 }
6872
dbca75f8 6873 wpa_s->global->p2p_invite_group = wpa_s;
c427ac92 6874 persistent = ssid->p2p_persistent_group &&
ba307f85 6875 wpas_p2p_get_persistent(wpa_s->p2pdev, peer_addr,
c427ac92
JM		 6876 ssid->ssid, ssid->ssid_len);
6877
b22128ef
JM		 6878 if (ssid->mode == WPAS_MODE_P2P_GO) {
6879 role = P2P_INVITE_ROLE_ACTIVE_GO;
6880 bssid = wpa_s->own_addr;
6881 if (go_dev_addr == NULL)
d7e70476 6882 go_dev_addr = wpa_s->global->p2p_dev_addr;
73b54d63 6883 freq = ssid->frequency;
b22128ef
JM		 6884 } else {
6885 role = P2P_INVITE_ROLE_CLIENT;
6886 if (wpa_s->wpa_state < WPA_ASSOCIATED) {
6887 wpa_printf(MSG_DEBUG, "P2P: Not associated - cannot "
6888 "invite to current group");
6889 return -1;
6890 }
6891 bssid = wpa_s->bssid;
6892 if (go_dev_addr == NULL &&
6893 !is_zero_ether_addr(wpa_s->go_dev_addr))
6894 go_dev_addr = wpa_s->go_dev_addr;
73b54d63
JM		 6895 freq = wpa_s->current_bss ? wpa_s->current_bss->freq :
6896 (int) wpa_s->assoc_freq;
b22128ef 6897 }
ba307f85 6898 wpa_s->p2pdev->pending_invite_ssid_id = -1;
b22128ef 6899
9526fd29
JM		 6900 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6901 return -1;
6902
370017d9 6903 size = P2P_MAX_PREF_CHANNELS;
51e9f228 6904 res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq,
370017d9
AK		 6905 role == P2P_INVITE_ROLE_ACTIVE_GO,
6906 pref_freq_list, &size);
5de4b721
JM		 6907 if (res)
6908 return res;
0d08efa4 6909 wpas_p2p_set_own_freq_preference(wpa_s, force_freq);
79879f4a 6910
b22128ef 6911 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
79879f4a 6912 ssid->ssid, ssid->ssid_len, force_freq,
8e9f53c3 6913 go_dev_addr, persistent, pref_freq, -1);
b22128ef
JM		 6914}
6915
6916
6917void wpas_p2p_completed(struct wpa_supplicant *wpa_s)
6918{
6919 struct wpa_ssid *ssid = wpa_s->current_ssid;
b22128ef 6920 u8 go_dev_addr[ETH_ALEN];
4b6baa2f 6921 int network_id = -1;
b22128ef 6922 int persistent;
b49d6ccb 6923 int freq;
25ef8529
JM		 6924 u8 ip[3 * 4];
6925 char ip_addr[100];
b22128ef 6926
73ccd083
JM		 6927 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION) {
6928 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 6929 wpa_s->p2pdev, NULL);
73ccd083 6930 }
361cdf34 6931
b22128ef 6932 if (!wpa_s->show_group_started || !ssid)
1b5d4714 6933 return;
b22128ef
JM		 6934
6935 wpa_s->show_group_started = 0;
328f49ac
JM		 6936 if (!wpa_s->p2p_go_group_formation_completed &&
6937 wpa_s->global->p2p_group_formation == wpa_s) {
6938 wpa_dbg(wpa_s, MSG_DEBUG,
6939 "P2P: Marking group formation completed on client on data connection");
6940 wpa_s->p2p_go_group_formation_completed = 1;
6941 wpa_s->global->p2p_group_formation = NULL;
6942 wpa_s->p2p_in_provisioning = 0;
6943 wpa_s->p2p_in_invitation = 0;
6944 }
b22128ef 6945
b22128ef
JM		 6946 os_memset(go_dev_addr, 0, ETH_ALEN);
6947 if (ssid->bssid_set)
6948 os_memcpy(go_dev_addr, ssid->bssid, ETH_ALEN);
6949 persistent = wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid,
6950 ssid->ssid_len);
6951 os_memcpy(wpa_s->go_dev_addr, go_dev_addr, ETH_ALEN);
6952
a0a9f3b0
JM		 6953 if (wpa_s->global->p2p_group_formation == wpa_s)
6954 wpa_s->global->p2p_group_formation = NULL;
6955
b49d6ccb
JJ		 6956 freq = wpa_s->current_bss ? wpa_s->current_bss->freq :
6957 (int) wpa_s->assoc_freq;
25ef8529
JM		 6958
6959 ip_addr[0] = '\0';
6960 if (wpa_sm_get_p2p_ip_addr(wpa_s->wpa, ip) == 0) {
1d399771
JM		 6961 int res;
6962
6963 res = os_snprintf(ip_addr, sizeof(ip_addr),
6964 " ip_addr=%u.%u.%u.%u "
6965 "ip_mask=%u.%u.%u.%u go_ip_addr=%u.%u.%u.%u",
6966 ip[0], ip[1], ip[2], ip[3],
6967 ip[4], ip[5], ip[6], ip[7],
6968 ip[8], ip[9], ip[10], ip[11]);
6969 if (os_snprintf_error(sizeof(ip_addr), res))
6970 ip_addr[0] = '\0';
25ef8529
JM		 6971 }
6972
f8723e1e
JM		 6973 wpas_p2p_group_started(wpa_s, 0, ssid, freq,
6974 ssid->passphrase == NULL && ssid->psk_set ?
6975 ssid->psk : NULL,
6976 ssid->passphrase, go_dev_addr, persistent,
6977 ip_addr);
b22128ef
JM		 6978
6979 if (persistent)
ba307f85 6980 network_id = wpas_p2p_store_persistent_group(wpa_s->p2pdev,
4b6baa2f
JMB		 6981 ssid, go_dev_addr);
6982 if (network_id < 0)
6983 network_id = ssid->id;
6984 wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 1);
b22128ef
JM		 6985}
6986
6987
6988int wpas_p2p_presence_req(struct wpa_supplicant *wpa_s, u32 duration1,
6989 u32 interval1, u32 duration2, u32 interval2)
6990{
c64e3a08
JM		 6991 int ret;
6992
9526fd29
JM		 6993 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6994 return -1;
3ac17eba 6995
b22128ef
JM		 6996 if (wpa_s->wpa_state < WPA_ASSOCIATED ||
6997 wpa_s->current_ssid == NULL ||
6998 wpa_s->current_ssid->mode != WPAS_MODE_INFRA)
6999 return -1;
7000
c64e3a08
JM		 7001 ret = p2p_presence_req(wpa_s->global->p2p, wpa_s->bssid,
7002 wpa_s->own_addr, wpa_s->assoc_freq,
7003 duration1, interval1, duration2, interval2);
7004 if (ret == 0)
7005 wpa_s->waiting_presence_resp = 1;
7006
7007 return ret;
b22128ef
JM		 7008}
7009
7010
7011int wpas_p2p_ext_listen(struct wpa_supplicant *wpa_s, unsigned int period,
7012 unsigned int interval)
7013{
9526fd29
JM		 7014 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
7015 return -1;
7016
b22128ef
JM		 7017 return p2p_ext_listen(wpa_s->global->p2p, period, interval);
7018}
7019
7020
c8106615
JM		 7021static int wpas_p2p_is_client(struct wpa_supplicant *wpa_s)
7022{
5fbddfdc
JM		 7023 if (wpa_s->current_ssid == NULL) {
7024 /*
c7deed74 7025 * current_ssid can be cleared when P2P client interface gets
5fbddfdc
JM		 7026 * disconnected, so assume this interface was used as P2P
7027 * client.
7028 */
7029 return 1;
7030 }
7031 return wpa_s->current_ssid->p2p_group &&
c8106615
JM		 7032 wpa_s->current_ssid->mode == WPAS_MODE_INFRA;
7033}
7034
7035
3071e181
JM		 7036static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx)
7037{
7038 struct wpa_supplicant *wpa_s = eloop_ctx;
7039
c8106615 7040 if (wpa_s->conf->p2p_group_idle == 0 && !wpas_p2p_is_client(wpa_s)) {
3071e181
JM		 7041 wpa_printf(MSG_DEBUG, "P2P: Ignore group idle timeout - "
7042 "disabled");
7043 return;
7044 }
7045
7046 wpa_printf(MSG_DEBUG, "P2P: Group idle timeout reached - terminate "
7047 "group");
8dba4aef 7048 wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_IDLE_TIMEOUT);
3071e181
JM		 7049}
7050
7051
7052static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s)
7053{
5f482d55 7054 int timeout;
c8106615 7055
dddc7045
JM		 7056 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0)
7057 wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout");
7058
c8106615 7059 if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group)
3071e181
JM		 7060 return;
7061
c8106615
JM		 7062 timeout = wpa_s->conf->p2p_group_idle;
7063 if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
7064 (timeout == 0 || timeout > P2P_MAX_CLIENT_IDLE))
7065 timeout = P2P_MAX_CLIENT_IDLE;
7066
7067 if (timeout == 0)
3071e181
JM		 7068 return;
7069
5f482d55
JM		 7070 if (timeout < 0) {
7071 if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA)
7072 timeout = 0; /* special client mode no-timeout */
7073 else
7074 return;
7075 }
7076
8c472816
JM		 7077 if (wpa_s->p2p_in_provisioning) {
7078 /*
7079 * Use the normal group formation timeout during the
7080 * provisioning phase to avoid terminating this process too
7081 * early due to group idle timeout.
7082 */
7083 wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout "
7084 "during provisioning");
7085 return;
7086 }
7087
361cdf34
JM		 7088 if (wpa_s->show_group_started) {
7089 /*
7090 * Use the normal group formation timeout between the end of
7091 * the provisioning phase and completion of 4-way handshake to
7092 * avoid terminating this process too early due to group idle
7093 * timeout.
7094 */
7095 wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout "
7096 "while waiting for initial 4-way handshake to "
7097 "complete");
7098 return;
7099 }
7100
3071e181 7101 wpa_printf(MSG_DEBUG, "P2P: Set P2P group idle timeout to %u seconds",
c8106615
JM		 7102 timeout);
7103 eloop_register_timeout(timeout, 0, wpas_p2p_group_idle_timeout,
7104 wpa_s, NULL);
3071e181
JM		 7105}
7106
7107
0aadd568
JM		 7108/* Returns 1 if the interface was removed */
7109int wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
7110 u16 reason_code, const u8 *ie, size_t ie_len,
7111 int locally_generated)
b22128ef 7112{
9526fd29 7113 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
0aadd568 7114 return 0;
b22128ef 7115
3fc14102
JM		 7116 if (!locally_generated)
7117 p2p_deauth_notif(wpa_s->global->p2p, bssid, reason_code, ie,
7118 ie_len);
7119
7120 if (reason_code == WLAN_REASON_DEAUTH_LEAVING && !locally_generated &&
7121 wpa_s->current_ssid &&
7122 wpa_s->current_ssid->p2p_group &&
7123 wpa_s->current_ssid->mode == WPAS_MODE_INFRA) {
7124 wpa_printf(MSG_DEBUG, "P2P: GO indicated that the P2P Group "
7125 "session is ending");
0aadd568
JM		 7126 if (wpas_p2p_group_delete(wpa_s,
7127 P2P_GROUP_REMOVAL_GO_ENDING_SESSION)
7128 > 0)
7129 return 1;
3fc14102 7130 }
0aadd568
JM		 7131
7132 return 0;
b22128ef
JM		 7133}
7134
7135
7136void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
3fc14102
JM		 7137 u16 reason_code, const u8 *ie, size_t ie_len,
7138 int locally_generated)
b22128ef 7139{
9526fd29 7140 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
b22128ef
JM		 7141 return;
7142
3fc14102
JM		 7143 if (!locally_generated)
7144 p2p_disassoc_notif(wpa_s->global->p2p, bssid, reason_code, ie,
7145 ie_len);
b22128ef
JM		 7146}
7147
7148
7149void wpas_p2p_update_config(struct wpa_supplicant *wpa_s)
7150{
7151 struct p2p_data *p2p = wpa_s->global->p2p;
7152
7153 if (p2p == NULL)
7154 return;
7155
4c010834
KL		 7156 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
7157 return;
7158
b22128ef
JM		 7159 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_NAME)
7160 p2p_set_dev_name(p2p, wpa_s->conf->device_name);
7161
2f646b6e
JB		 7162 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE)
7163 p2p_set_pri_dev_type(p2p, wpa_s->conf->device_type);
b22128ef 7164
b6e01800
JM		 7165 if (wpa_s->wps &&
7166 (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS))
7167 p2p_set_config_methods(p2p, wpa_s->wps->config_methods);
7168
7169 if (wpa_s->wps && (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID))
7170 p2p_set_uuid(p2p, wpa_s->wps->uuid);
7171
7172 if (wpa_s->conf->changed_parameters & CFG_CHANGED_WPS_STRING) {
7173 p2p_set_manufacturer(p2p, wpa_s->conf->manufacturer);
7174 p2p_set_model_name(p2p, wpa_s->conf->model_name);
7175 p2p_set_model_number(p2p, wpa_s->conf->model_number);
7176 p2p_set_serial_number(p2p, wpa_s->conf->serial_number);
7177 }
7178
2f646b6e
JB		 7179 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE)
7180 p2p_set_sec_dev_types(p2p,
7181 (void *) wpa_s->conf->sec_device_type,
7182 wpa_s->conf->num_sec_device_types);
b22128ef 7183
f95cac27
JMB		 7184 if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) {
7185 int i;
7186 p2p_remove_wps_vendor_extensions(p2p);
7187 for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) {
7188 if (wpa_s->conf->wps_vendor_ext[i] == NULL)
7189 continue;
7190 p2p_add_wps_vendor_extension(
7191 p2p, wpa_s->conf->wps_vendor_ext[i]);
7192 }
7193 }
7194
b22128ef
JM		 7195 if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) &&
7196 wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
7197 char country[3];
7198 country[0] = wpa_s->conf->country[0];
7199 country[1] = wpa_s->conf->country[1];
7200 country[2] = 0x04;
7201 p2p_set_country(p2p, country);
7202 }
7203
7204 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_SSID_POSTFIX) {
7205 p2p_set_ssid_postfix(p2p, (u8 *) wpa_s->conf->p2p_ssid_postfix,
7206 wpa_s->conf->p2p_ssid_postfix ?
7207 os_strlen(wpa_s->conf->p2p_ssid_postfix) :
7208 0);
7209 }
0f66abd2
SS		 7210
7211 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_INTRA_BSS)
7212 p2p_set_intra_bss_dist(p2p, wpa_s->conf->p2p_intra_bss);
2463ba70
JS		 7213
7214 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_LISTEN_CHANNEL) {
7215 u8 reg_class, channel;
7216 int ret;
7217 unsigned int r;
e3bd6e9d
IP		 7218 u8 channel_forced;
7219
2463ba70
JS		 7220 if (wpa_s->conf->p2p_listen_reg_class &&
7221 wpa_s->conf->p2p_listen_channel) {
7222 reg_class = wpa_s->conf->p2p_listen_reg_class;
7223 channel = wpa_s->conf->p2p_listen_channel;
e3bd6e9d 7224 channel_forced = 1;
2463ba70
JS		 7225 } else {
7226 reg_class = 81;
7227 /*
7228 * Pick one of the social channels randomly as the
7229 * listen channel.
7230 */
df2508d7
JM		 7231 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
7232 channel = 1;
7233 else
7234 channel = 1 + (r % 3) * 5;
e3bd6e9d 7235 channel_forced = 0;
2463ba70 7236 }
e3bd6e9d
IP		 7237 ret = p2p_set_listen_channel(p2p, reg_class, channel,
7238 channel_forced);
2463ba70
JS		 7239 if (ret)
7240 wpa_printf(MSG_ERROR, "P2P: Own listen channel update "
7241 "failed: %d", ret);
7242 }
7243 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_OPER_CHANNEL) {
7244 u8 op_reg_class, op_channel, cfg_op_channel;
7245 int ret = 0;
7246 unsigned int r;
7247 if (wpa_s->conf->p2p_oper_reg_class &&
7248 wpa_s->conf->p2p_oper_channel) {
7249 op_reg_class = wpa_s->conf->p2p_oper_reg_class;
7250 op_channel = wpa_s->conf->p2p_oper_channel;
7251 cfg_op_channel = 1;
7252 } else {
7253 op_reg_class = 81;
7254 /*
7255 * Use random operation channel from (1, 6, 11)
7256 *if no other preference is indicated.
7257 */
df2508d7
JM		 7258 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
7259 op_channel = 1;
7260 else
7261 op_channel = 1 + (r % 3) * 5;
2463ba70
JS		 7262 cfg_op_channel = 0;
7263 }
7264 ret = p2p_set_oper_channel(p2p, op_reg_class, op_channel,
7265 cfg_op_channel);
7266 if (ret)
7267 wpa_printf(MSG_ERROR, "P2P: Own oper channel update "
7268 "failed: %d", ret);
7269 }
21d996f7
JM		 7270
7271 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_PREF_CHAN) {
7272 if (p2p_set_pref_chan(p2p, wpa_s->conf->num_p2p_pref_chan,
7273 wpa_s->conf->p2p_pref_chan) < 0) {
7274 wpa_printf(MSG_ERROR, "P2P: Preferred channel list "
7275 "update failed");
7276 }
556b30da
JM		 7277
7278 if (p2p_set_no_go_freq(p2p, &wpa_s->conf->p2p_no_go_freq) < 0) {
7279 wpa_printf(MSG_ERROR, "P2P: No GO channel list "
7280 "update failed");
7281 }
21d996f7 7282 }
1b928f96
JM		 7283
7284 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_PASSPHRASE_LEN)
7285 p2p_set_passphrase_len(p2p, wpa_s->conf->p2p_passphrase_len);
b22128ef 7286}
aefb53bd
JM		 7287
7288
7289int wpas_p2p_set_noa(struct wpa_supplicant *wpa_s, u8 count, int start,
7290 int duration)
7291{
7292 if (!wpa_s->ap_iface)
7293 return -1;
7294 return hostapd_p2p_set_noa(wpa_s->ap_iface->bss[0], count, start,
7295 duration);
7296}
72044390
JM		 7297
7298
7299int wpas_p2p_set_cross_connect(struct wpa_supplicant *wpa_s, int enabled)
7300{
9526fd29 7301 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
72044390 7302 return -1;
72044390
JM		 7303
7304 wpa_s->global->cross_connection = enabled;
7305 p2p_set_cross_connect(wpa_s->global->p2p, enabled);
7306
7307 if (!enabled) {
7308 struct wpa_supplicant *iface;
7309
7310 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
7311 {
7312 if (iface->cross_connect_enabled == 0)
7313 continue;
7314
7315 iface->cross_connect_enabled = 0;
7316 iface->cross_connect_in_use = 0;
ba307f85 7317 wpa_msg_global(iface->p2pdev, MSG_INFO,
92c4465b
JM		 7318 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
7319 iface->ifname,
7320 iface->cross_connect_uplink);
72044390
JM		 7321 }
7322 }
7323
7324 return 0;
7325}
7326
7327
7328static void wpas_p2p_enable_cross_connect(struct wpa_supplicant *uplink)
7329{
7330 struct wpa_supplicant *iface;
7331
7332 if (!uplink->global->cross_connection)
7333 return;
7334
7335 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
7336 if (!iface->cross_connect_enabled)
7337 continue;
7338 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
7339 0)
7340 continue;
7341 if (iface->ap_iface == NULL)
7342 continue;
7343 if (iface->cross_connect_in_use)
7344 continue;
7345
7346 iface->cross_connect_in_use = 1;
ba307f85 7347 wpa_msg_global(iface->p2pdev, MSG_INFO,
92c4465b
JM		 7348 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
7349 iface->ifname, iface->cross_connect_uplink);
72044390
JM		 7350 }
7351}
7352
7353
7354static void wpas_p2p_disable_cross_connect(struct wpa_supplicant *uplink)
7355{
7356 struct wpa_supplicant *iface;
7357
7358 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
7359 if (!iface->cross_connect_enabled)
7360 continue;
7361 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
7362 0)
7363 continue;
7364 if (!iface->cross_connect_in_use)
7365 continue;
7366
ba307f85 7367 wpa_msg_global(iface->p2pdev, MSG_INFO,
92c4465b
JM		 7368 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
7369 iface->ifname, iface->cross_connect_uplink);
72044390
JM		 7370 iface->cross_connect_in_use = 0;
7371 }
7372}
7373
7374
7375void wpas_p2p_notif_connected(struct wpa_supplicant *wpa_s)
7376{
7377 if (wpa_s->ap_iface || wpa_s->current_ssid == NULL ||
7378 wpa_s->current_ssid->mode != WPAS_MODE_INFRA ||
7379 wpa_s->cross_connect_disallowed)
7380 wpas_p2p_disable_cross_connect(wpa_s);
7381 else
7382 wpas_p2p_enable_cross_connect(wpa_s);
dddc7045
JM		 7383 if (!wpa_s->ap_iface &&
7384 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0)
7385 wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout");
72044390
JM		 7386}
7387
7388
7389void wpas_p2p_notif_disconnected(struct wpa_supplicant *wpa_s)
7390{
7391 wpas_p2p_disable_cross_connect(wpa_s);
4c2c6751
JM		 7392 if (!wpa_s->ap_iface &&
7393 !eloop_is_timeout_registered(wpas_p2p_group_idle_timeout,
7394 wpa_s, NULL))
3071e181 7395 wpas_p2p_set_group_idle_timeout(wpa_s);
72044390
JM		 7396}
7397
7398
7399static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s)
7400{
7401 struct wpa_supplicant *iface;
7402
7403 if (!wpa_s->global->cross_connection)
7404 return;
7405
7406 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
7407 if (iface == wpa_s)
7408 continue;
7409 if (iface->drv_flags &
7410 WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)
7411 continue;
42a69725
JM		 7412 if ((iface->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE) &&
7413 iface != wpa_s->parent)
72044390
JM		 7414 continue;
7415
7416 wpa_s->cross_connect_enabled = 1;
7417 os_strlcpy(wpa_s->cross_connect_uplink, iface->ifname,
7418 sizeof(wpa_s->cross_connect_uplink));
7419 wpa_printf(MSG_DEBUG, "P2P: Enable cross connection from "
7420 "%s to %s whenever uplink is available",
7421 wpa_s->ifname, wpa_s->cross_connect_uplink);
7422
7423 if (iface->ap_iface || iface->current_ssid == NULL ||
7424 iface->current_ssid->mode != WPAS_MODE_INFRA ||
7425 iface->cross_connect_disallowed ||
7426 iface->wpa_state != WPA_COMPLETED)
7427 break;
7428
7429 wpa_s->cross_connect_in_use = 1;
ba307f85 7430 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
92c4465b
JM		 7431 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
7432 wpa_s->ifname, wpa_s->cross_connect_uplink);
72044390
JM		 7433 break;
7434 }
7435}
b73bf0a7
JM		 7436
7437
7438int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant *wpa_s)
7439{
7440 if (wpa_s->p2p_group_interface != P2P_GROUP_INTERFACE_CLIENT &&
7441 !wpa_s->p2p_in_provisioning)
7442 return 0; /* not P2P client operation */
7443
7444 wpa_printf(MSG_DEBUG, "P2P: Terminate connection due to WPS PBC "
7445 "session overlap");
ba307f85
LD		 7446 if (wpa_s != wpa_s->p2pdev)
7447 wpa_msg_ctrl(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_OVERLAP);
d95c5994 7448 wpas_p2p_group_formation_failed(wpa_s, 0);
b73bf0a7
JM		 7449 return 1;
7450}
b5c9da8d
JM		 7451
7452
ace0fbdb
AS		 7453void wpas_p2p_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx)
7454{
7455 struct wpa_supplicant *wpa_s = eloop_ctx;
7456 wpas_p2p_notif_pbc_overlap(wpa_s);
7457}
7458
7459
3a8f008a
IP		 7460void wpas_p2p_update_channel_list(struct wpa_supplicant *wpa_s,
7461 enum wpas_p2p_channel_update_trig trig)
b5c9da8d 7462{
51e9f228 7463 struct p2p_channels chan, cli_chan;
c2675c87
IP		 7464 struct wpa_used_freq_data *freqs = NULL;
7465 unsigned int num = wpa_s->num_multichan_concurrent;
b5c9da8d
JM		 7466
7467 if (wpa_s->global == NULL || wpa_s->global->p2p == NULL)
7468 return;
7469
c2675c87
IP		 7470 freqs = os_calloc(num, sizeof(struct wpa_used_freq_data));
7471 if (!freqs)
7472 return;
7473
7474 num = get_shared_radio_freqs_data(wpa_s, freqs, num);
7475
b5c9da8d 7476 os_memset(&chan, 0, sizeof(chan));
51e9f228
JM		 7477 os_memset(&cli_chan, 0, sizeof(cli_chan));
7478 if (wpas_p2p_setup_channels(wpa_s, &chan, &cli_chan)) {
b5c9da8d
JM		 7479 wpa_printf(MSG_ERROR, "P2P: Failed to update supported "
7480 "channel list");
7481 return;
7482 }
7483
51e9f228 7484 p2p_update_channel_list(wpa_s->global->p2p, &chan, &cli_chan);
7b42862a 7485
c2675c87 7486 wpas_p2p_optimize_listen_channel(wpa_s, freqs, num);
7b42862a 7487
c2675c87
IP		 7488 /*
7489 * The used frequencies map changed, so it is possible that a GO is
7490 * using a channel that is no longer valid for P2P use. It is also
7491 * possible that due to policy consideration, it would be preferable to
7492 * move it to a frequency already used by other station interfaces.
7493 */
3a8f008a 7494 wpas_p2p_consider_moving_gos(wpa_s, freqs, num, trig);
c2675c87
IP		 7495
7496 os_free(freqs);
b5c9da8d 7497}
59eba7a2
JM		 7498
7499
50178335
JM		 7500static void wpas_p2p_scan_res_ignore(struct wpa_supplicant *wpa_s,
7501 struct wpa_scan_results *scan_res)
7502{
7503 wpa_printf(MSG_DEBUG, "P2P: Ignore scan results");
7504}
7505
7506
59eba7a2
JM		 7507int wpas_p2p_cancel(struct wpa_supplicant *wpa_s)
7508{
7509 struct wpa_global *global = wpa_s->global;
7510 int found = 0;
231bbd03 7511 const u8 *peer;
59eba7a2 7512
9526fd29
JM		 7513 if (global->p2p == NULL)
7514 return -1;
7515
59eba7a2
JM		 7516 wpa_printf(MSG_DEBUG, "P2P: Request to cancel group formation");
7517
7518 if (wpa_s->pending_interface_name[0] &&
7519 !is_zero_ether_addr(wpa_s->pending_interface_addr))
7520 found = 1;
7521
231bbd03
SS		 7522 peer = p2p_get_go_neg_peer(global->p2p);
7523 if (peer) {
7524 wpa_printf(MSG_DEBUG, "P2P: Unauthorize pending GO Neg peer "
7525 MACSTR, MAC2STR(peer));
7526 p2p_unauthorize(global->p2p, peer);
75c208b9 7527 found = 1;
231bbd03
SS		 7528 }
7529
50178335
JM		 7530 if (wpa_s->scan_res_handler == wpas_p2p_scan_res_join) {
7531 wpa_printf(MSG_DEBUG, "P2P: Stop pending scan for join");
7532 wpa_s->scan_res_handler = wpas_p2p_scan_res_ignore;
7533 found = 1;
7534 }
7535
7536 if (wpa_s->pending_pd_before_join) {
7537 wpa_printf(MSG_DEBUG, "P2P: Stop pending PD before join");
7538 wpa_s->pending_pd_before_join = 0;
7539 found = 1;
7540 }
7541
59eba7a2
JM		 7542 wpas_p2p_stop_find(wpa_s);
7543
7544 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7545 if (wpa_s == global->p2p_group_formation &&
a0a9f3b0
JM		 7546 (wpa_s->p2p_in_provisioning ||
7547 wpa_s->parent->pending_interface_type ==
7548 WPA_IF_P2P_CLIENT)) {
59eba7a2
JM		 7549 wpa_printf(MSG_DEBUG, "P2P: Interface %s in group "
7550 "formation found - cancelling",
7551 wpa_s->ifname);
7552 found = 1;
45fee6f0 7553 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 7554 wpa_s->p2pdev, NULL);
30b80389 7555 if (wpa_s->p2p_in_provisioning) {
d95c5994 7556 wpas_group_formation_completed(wpa_s, 0, 0);
30b80389
JM		 7557 break;
7558 }
8dba4aef
JM		 7559 wpas_p2p_group_delete(wpa_s,
7560 P2P_GROUP_REMOVAL_REQUESTED);
59eba7a2 7561 break;
f05cee97
JM		 7562 } else if (wpa_s->p2p_in_invitation) {
7563 wpa_printf(MSG_DEBUG, "P2P: Interface %s in invitation found - cancelling",
7564 wpa_s->ifname);
7565 found = 1;
d95c5994 7566 wpas_p2p_group_formation_failed(wpa_s, 0);
63502c64 7567 break;
59eba7a2
JM		 7568 }
7569 }
7570
7571 if (!found) {
7572 wpa_printf(MSG_DEBUG, "P2P: No ongoing group formation found");
7573 return -1;
7574 }
7575
7576 return 0;
7577}
c973f386
JM		 7578
7579
7580void wpas_p2p_interface_unavailable(struct wpa_supplicant *wpa_s)
7581{
7582 if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group)
7583 return;
7584
7585 wpa_printf(MSG_DEBUG, "P2P: Remove group due to driver resource not "
7586 "being available anymore");
8dba4aef 7587 wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_UNAVAILABLE);
c973f386 7588}
7cfc4ac3
AGS		 7589
7590
7591void wpas_p2p_update_best_channels(struct wpa_supplicant *wpa_s,
7592 int freq_24, int freq_5, int freq_overall)
7593{
7594 struct p2p_data *p2p = wpa_s->global->p2p;
152cff6b 7595 if (p2p == NULL)
7cfc4ac3
AGS		 7596 return;
7597 p2p_set_best_channels(p2p, freq_24, freq_5, freq_overall);
7598}
9d562b79
SS		 7599
7600
7601int wpas_p2p_unauthorize(struct wpa_supplicant *wpa_s, const char *addr)
7602{
7603 u8 peer[ETH_ALEN];
7604 struct p2p_data *p2p = wpa_s->global->p2p;
7605
152cff6b 7606 if (p2p == NULL)
9d562b79
SS		 7607 return -1;
7608
7609 if (hwaddr_aton(addr, peer))
7610 return -1;
7611
7612 return p2p_unauthorize(p2p, peer);
7613}
3103f345
JB		 7614
7615
7616/**
7617 * wpas_p2p_disconnect - Disconnect from a P2P Group
7618 * @wpa_s: Pointer to wpa_supplicant data
7619 * Returns: 0 on success, -1 on failure
7620 *
7621 * This can be used to disconnect from a group in which the local end is a P2P
7622 * Client or to end a P2P Group in case the local end is the Group Owner. If a
7623 * virtual network interface was created for this group, that interface will be
7624 * removed. Otherwise, only the configured P2P group network will be removed
7625 * from the interface.
7626 */
7627int wpas_p2p_disconnect(struct wpa_supplicant *wpa_s)
7628{
7629
7630 if (wpa_s == NULL)
7631 return -1;
7632
0aadd568
JM		 7633 return wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_REQUESTED) < 0 ?
7634 -1 : 0;
3103f345 7635}
303f60d3
JM		 7636
7637
7638int wpas_p2p_in_progress(struct wpa_supplicant *wpa_s)
7639{
ec01d5f6
JM		 7640 int ret;
7641
303f60d3
JM		 7642 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
7643 return 0;
7644
ec01d5f6
JM		 7645 ret = p2p_in_progress(wpa_s->global->p2p);
7646 if (ret == 0) {
7647 /*
7648 * Check whether there is an ongoing WPS provisioning step (or
7649 * other parts of group formation) on another interface since
7650 * p2p_in_progress() does not report this to avoid issues for
7651 * scans during such provisioning step.
7652 */
7653 if (wpa_s->global->p2p_group_formation &&
7654 wpa_s->global->p2p_group_formation != wpa_s) {
7655 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Another interface (%s) "
7656 "in group formation",
7657 wpa_s->global->p2p_group_formation->ifname);
7658 ret = 1;
7659 }
7660 }
7661
c1c0b35f 7662 if (!ret && wpa_s->global->p2p_go_wait_client.sec) {
151ab808
JB		 7663 struct os_reltime now;
7664 os_get_reltime(&now);
7665 if (os_reltime_expired(&now, &wpa_s->global->p2p_go_wait_client,
7666 P2P_MAX_INITIAL_CONN_WAIT_GO)) {
c1c0b35f
JM		 7667 /* Wait for the first client has expired */
7668 wpa_s->global->p2p_go_wait_client.sec = 0;
7669 } else {
7670 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Waiting for initial client connection during group formation");
7671 ret = 1;
7672 }
7673 }
7674
ec01d5f6 7675 return ret;
303f60d3 7676}
502618f7
JM		 7677
7678
7679void wpas_p2p_network_removed(struct wpa_supplicant *wpa_s,
7680 struct wpa_ssid *ssid)
502618f7
JM		 7681{
7682 if (wpa_s->p2p_in_provisioning && ssid->p2p_group &&
7683 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 7684 wpa_s->p2pdev, NULL) > 0) {
eb6f8c2b
AC		 7685 /**
7686 * Remove the network by scheduling the group formation
7687 * timeout to happen immediately. The teardown code
7688 * needs to be scheduled to run asynch later so that we
7689 * don't delete data from under ourselves unexpectedly.
7690 * Calling wpas_p2p_group_formation_timeout directly
7691 * causes a series of crashes in WPS failure scenarios.
7692 */
502618f7
JM		 7693 wpa_printf(MSG_DEBUG, "P2P: Canceled group formation due to "
7694 "P2P group network getting removed");
eb6f8c2b 7695 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout,
ba307f85 7696 wpa_s->p2pdev, NULL);
502618f7
JM		 7697 }
7698}
87f841a1
JM		 7699
7700
7701struct wpa_ssid * wpas_p2p_get_persistent(struct wpa_supplicant *wpa_s,
c427ac92
JM		 7702 const u8 *addr, const u8 *ssid,
7703 size_t ssid_len)
87f841a1
JM		 7704{
7705 struct wpa_ssid *s;
fbdcfd57 7706 size_t i;
87f841a1
JM		 7707
7708 for (s = wpa_s->conf->ssid; s; s = s->next) {
fbdcfd57
JM		 7709 if (s->disabled != 2)
7710 continue;
c427ac92
JM		 7711 if (ssid &&
7712 (ssid_len != s->ssid_len ||
7713 os_memcmp(ssid, s->ssid, ssid_len) != 0))
7714 continue;
01a57fe4
JM		 7715 if (addr == NULL) {
7716 if (s->mode == WPAS_MODE_P2P_GO)
7717 return s;
7718 continue;
7719 }
fbdcfd57
JM		 7720 if (os_memcmp(s->bssid, addr, ETH_ALEN) == 0)
7721 return s; /* peer is GO in the persistent group */
7722 if (s->mode != WPAS_MODE_P2P_GO || s->p2p_client_list == NULL)
7723 continue;
7724 for (i = 0; i < s->num_p2p_clients; i++) {
79cd993a 7725 if (os_memcmp(s->p2p_client_list + i * 2 * ETH_ALEN,
fbdcfd57
JM		 7726 addr, ETH_ALEN) == 0)
7727 return s; /* peer is P2P client in persistent
7728 * group */
7729 }
87f841a1
JM		 7730 }
7731
7732 return NULL;
7733}
fbdcfd57
JM		 7734
7735
7736void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
7737 const u8 *addr)
7738{
eab2b50d 7739 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 7740 wpa_s->p2pdev, NULL) > 0) {
eab2b50d
JM		 7741 /*
7742 * This can happen if WPS provisioning step is not terminated
7743 * cleanly (e.g., P2P Client does not send WSC_Done). Since the
7744 * peer was able to connect, there is no need to time out group
41f85323
JM		 7745 * formation after this, though. In addition, this is used with
7746 * the initial connection wait on the GO as a separate formation
7747 * timeout and as such, expected to be hit after the initial WPS
7748 * provisioning step.
eab2b50d 7749 */
41f85323 7750 wpa_printf(MSG_DEBUG, "P2P: Canceled P2P group formation timeout on data connection");
61fc9048
SD		 7751
7752 if (!wpa_s->p2p_go_group_formation_completed &&
7753 !wpa_s->group_formation_reported) {
7754 /*
7755 * GO has not yet notified group formation success since
7756 * the WPS step was not completed cleanly. Do that
7757 * notification now since the P2P Client was able to
7758 * connect and as such, must have received the
7759 * credential from the WPS step.
7760 */
7761 if (wpa_s->global->p2p)
7762 p2p_wps_success_cb(wpa_s->global->p2p, addr);
d95c5994 7763 wpas_group_formation_completed(wpa_s, 1, 0);
61fc9048 7764 }
41f85323
JM		 7765 }
7766 if (!wpa_s->p2p_go_group_formation_completed) {
7767 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Marking group formation completed on GO on first data connection");
7768 wpa_s->p2p_go_group_formation_completed = 1;
7769 wpa_s->global->p2p_group_formation = NULL;
7770 wpa_s->p2p_in_provisioning = 0;
f05cee97 7771 wpa_s->p2p_in_invitation = 0;
eab2b50d 7772 }
c1c0b35f 7773 wpa_s->global->p2p_go_wait_client.sec = 0;
fbdcfd57
JM		 7774 if (addr == NULL)
7775 return;
7776 wpas_p2p_add_persistent_group_client(wpa_s, addr);
7777}
aa9bb764
JM		 7778
7779
b0e669be
JM		 7780static int wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s,
7781 int group_added)
aa9bb764
JM		 7782{
7783 struct wpa_supplicant *group = wpa_s;
b0e669be
JM		 7784 int ret = 0;
7785
aa9bb764
JM		 7786 if (wpa_s->global->p2p_group_formation)
7787 group = wpa_s->global->p2p_group_formation;
de7b02fd 7788 wpa_s = wpa_s->global->p2p_init_wpa_s;
b80eb89d 7789 offchannel_send_action_done(wpa_s);
aa9bb764 7790 if (group_added)
b0e669be 7791 ret = wpas_p2p_group_delete(group, P2P_GROUP_REMOVAL_SILENT);
aa9bb764
JM		 7792 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Fall back to GO Negotiation");
7793 wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr, wpa_s->p2p_pin,
7794 wpa_s->p2p_wps_method, wpa_s->p2p_persistent_group, 0,
7795 0, 0, wpa_s->p2p_go_intent, wpa_s->p2p_connect_freq,
c27f4c90 7796 wpa_s->p2p_go_vht_center_freq2,
3bc462cb 7797 wpa_s->p2p_persistent_id,
e2308e4b 7798 wpa_s->p2p_pd_before_go_neg,
20ea1ca4 7799 wpa_s->p2p_go_ht40,
c27f4c90 7800 wpa_s->p2p_go_vht,
70e0cb33 7801 wpa_s->p2p_go_max_oper_chwidth, NULL, 0);
b0e669be 7802 return ret;
aa9bb764
JM		 7803}
7804
7805
7806int wpas_p2p_scan_no_go_seen(struct wpa_supplicant *wpa_s)
7807{
b0e669be
JM		 7808 int res;
7809
aa9bb764
JM		 7810 if (!wpa_s->p2p_fallback_to_go_neg ||
7811 wpa_s->p2p_in_provisioning <= 5)
7812 return 0;
7813
b80eb89d
JM		 7814 if (wpas_p2p_peer_go(wpa_s, wpa_s->pending_join_dev_addr) > 0)
7815 return 0; /* peer operating as a GO */
7816
aa9bb764
JM		 7817 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: GO not found for p2p_connect-auto - "
7818 "fallback to GO Negotiation");
ba307f85 7819 wpa_msg_global(wpa_s->p2pdev, MSG_INFO, P2P_EVENT_FALLBACK_TO_GO_NEG
6b005121 7820 "reason=GO-not-found");
b0e669be 7821 res = wpas_p2p_fallback_to_go_neg(wpa_s, 1);
aa9bb764 7822
b0e669be 7823 return res == 1 ? 2 : 1;
aa9bb764 7824}
05a77b3b
JM		 7825
7826
7827unsigned int wpas_p2p_search_delay(struct wpa_supplicant *wpa_s)
7828{
05a77b3b
JM		 7829 struct wpa_supplicant *ifs;
7830
7831 if (wpa_s->wpa_state > WPA_SCANNING) {
7832 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search delay due to "
7833 "concurrent operation",
d3b20469
NS		 7834 wpa_s->conf->p2p_search_delay);
7835 return wpa_s->conf->p2p_search_delay;
05a77b3b
JM		 7836 }
7837
5b81927d
JM		 7838 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
7839 radio_list) {
7840 if (ifs != wpa_s && ifs->wpa_state > WPA_SCANNING) {
05a77b3b
JM		 7841 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search "
7842 "delay due to concurrent operation on "
7843 "interface %s",
d3b20469
NS		 7844 wpa_s->conf->p2p_search_delay,
7845 ifs->ifname);
7846 return wpa_s->conf->p2p_search_delay;
05a77b3b
JM		 7847 }
7848 }
7849
7850 return 0;
7851}
f85f545e
JM		 7852
7853
43c693c2
JM		 7854static int wpas_p2p_remove_psk_entry(struct wpa_supplicant *wpa_s,
7855 struct wpa_ssid *s, const u8 *addr,
7856 int iface_addr)
7857{
7858 struct psk_list_entry *psk, *tmp;
7859 int changed = 0;
7860
7861 dl_list_for_each_safe(psk, tmp, &s->psk_list, struct psk_list_entry,
7862 list) {
7863 if ((iface_addr && !psk->p2p &&
7864 os_memcmp(addr, psk->addr, ETH_ALEN) == 0) ||
7865 (!iface_addr && psk->p2p &&
7866 os_memcmp(addr, psk->addr, ETH_ALEN) == 0)) {
7867 wpa_dbg(wpa_s, MSG_DEBUG,
7868 "P2P: Remove persistent group PSK list entry for "
7869 MACSTR " p2p=%u",
7870 MAC2STR(psk->addr), psk->p2p);
7871 dl_list_del(&psk->list);
7872 os_free(psk);
7873 changed++;
7874 }
7875 }
7876
7877 return changed;
7878}
7879
7880
01a57fe4
JM		 7881void wpas_p2p_new_psk_cb(struct wpa_supplicant *wpa_s, const u8 *mac_addr,
7882 const u8 *p2p_dev_addr,
7883 const u8 *psk, size_t psk_len)
7884{
7885 struct wpa_ssid *ssid = wpa_s->current_ssid;
7886 struct wpa_ssid *persistent;
0bceb8d6 7887 struct psk_list_entry *p, *last;
01a57fe4
JM		 7888
7889 if (psk_len != sizeof(p->psk))
7890 return;
7891
7892 if (p2p_dev_addr) {
7893 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New PSK for addr=" MACSTR
7894 " p2p_dev_addr=" MACSTR,
7895 MAC2STR(mac_addr), MAC2STR(p2p_dev_addr));
7896 if (is_zero_ether_addr(p2p_dev_addr))
7897 p2p_dev_addr = NULL;
7898 } else {
7899 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New PSK for addr=" MACSTR,
7900 MAC2STR(mac_addr));
7901 }
7902
7903 if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
7904 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: new_psk_cb during group formation");
7905 /* To be added to persistent group once created */
7906 if (wpa_s->global->add_psk == NULL) {
7907 wpa_s->global->add_psk = os_zalloc(sizeof(*p));
7908 if (wpa_s->global->add_psk == NULL)
7909 return;
7910 }
7911 p = wpa_s->global->add_psk;
7912 if (p2p_dev_addr) {
7913 p->p2p = 1;
7914 os_memcpy(p->addr, p2p_dev_addr, ETH_ALEN);
7915 } else {
7916 p->p2p = 0;
7917 os_memcpy(p->addr, mac_addr, ETH_ALEN);
7918 }
7919 os_memcpy(p->psk, psk, psk_len);
7920 return;
7921 }
7922
7923 if (ssid->mode != WPAS_MODE_P2P_GO || !ssid->p2p_persistent_group) {
7924 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Ignore new_psk_cb on not-persistent GO");
7925 return;
7926 }
7927
ba307f85 7928 persistent = wpas_p2p_get_persistent(wpa_s->p2pdev, NULL, ssid->ssid,
01a57fe4
JM		 7929 ssid->ssid_len);
7930 if (!persistent) {
7931 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not find persistent group information to store the new PSK");
7932 return;
7933 }
7934
7935 p = os_zalloc(sizeof(*p));
7936 if (p == NULL)
7937 return;
7938 if (p2p_dev_addr) {
7939 p->p2p = 1;
7940 os_memcpy(p->addr, p2p_dev_addr, ETH_ALEN);
7941 } else {
7942 p->p2p = 0;
7943 os_memcpy(p->addr, mac_addr, ETH_ALEN);
7944 }
7945 os_memcpy(p->psk, psk, psk_len);
7946
0bceb8d6
JM		 7947 if (dl_list_len(&persistent->psk_list) > P2P_MAX_STORED_CLIENTS &&
7948 (last = dl_list_last(&persistent->psk_list,
7949 struct psk_list_entry, list))) {
01a57fe4
JM		 7950 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove oldest PSK entry for "
7951 MACSTR " (p2p=%u) to make room for a new one",
7952 MAC2STR(last->addr), last->p2p);
7953 dl_list_del(&last->list);
7954 os_free(last);
7955 }
7956
ba307f85 7957 wpas_p2p_remove_psk_entry(wpa_s->p2pdev, persistent,
43c693c2
JM		 7958 p2p_dev_addr ? p2p_dev_addr : mac_addr,
7959 p2p_dev_addr == NULL);
7960 if (p2p_dev_addr) {
7961 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Add new PSK for p2p_dev_addr="
7962 MACSTR, MAC2STR(p2p_dev_addr));
7963 } else {
7964 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Add new PSK for addr=" MACSTR,
7965 MAC2STR(mac_addr));
7966 }
01a57fe4
JM		 7967 dl_list_add(&persistent->psk_list, &p->list);
7968
ba307f85
LD		 7969 if (wpa_s->p2pdev->conf->update_config &&
7970 wpa_config_write(wpa_s->p2pdev->confname, wpa_s->p2pdev->conf))
01a57fe4 7971 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
01a57fe4 7972}
f2c56602
JM		 7973
7974
7975static void wpas_p2p_remove_psk(struct wpa_supplicant *wpa_s,
7976 struct wpa_ssid *s, const u8 *addr,
7977 int iface_addr)
7978{
43c693c2 7979 int res;
f2c56602 7980
43c693c2 7981 res = wpas_p2p_remove_psk_entry(wpa_s, s, addr, iface_addr);
2a33687e
JM		 7982 if (res > 0 && wpa_s->conf->update_config &&
7983 wpa_config_write(wpa_s->confname, wpa_s->conf))
7984 wpa_dbg(wpa_s, MSG_DEBUG,
7985 "P2P: Failed to update configuration");
f2c56602
JM		 7986}
7987
7988
7989static void wpas_p2p_remove_client_go(struct wpa_supplicant *wpa_s,
7990 const u8 *peer, int iface_addr)
7991{
7992 struct hostapd_data *hapd;
7993 struct hostapd_wpa_psk *psk, *prev, *rem;
7994 struct sta_info *sta;
7995
7996 if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL ||
7997 wpa_s->current_ssid->mode != WPAS_MODE_P2P_GO)
7998 return;
7999
8000 /* Remove per-station PSK entry */
8001 hapd = wpa_s->ap_iface->bss[0];
8002 prev = NULL;
8003 psk = hapd->conf->ssid.wpa_psk;
8004 while (psk) {
8005 if ((iface_addr && os_memcmp(peer, psk->addr, ETH_ALEN) == 0) ||
8006 (!iface_addr &&
8007 os_memcmp(peer, psk->p2p_dev_addr, ETH_ALEN) == 0)) {
8008 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove operating group PSK entry for "
8009 MACSTR " iface_addr=%d",
8010 MAC2STR(peer), iface_addr);
8011 if (prev)
8012 prev->next = psk->next;
8013 else
8014 hapd->conf->ssid.wpa_psk = psk->next;
8015 rem = psk;
8016 psk = psk->next;
8017 os_free(rem);
8018 } else {
8019 prev = psk;
8020 psk = psk->next;
8021 }
8022 }
8023
8024 /* Disconnect from group */
8025 if (iface_addr)
8026 sta = ap_get_sta(hapd, peer);
8027 else
8028 sta = ap_get_sta_p2p(hapd, peer);
8029 if (sta) {
8030 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Disconnect peer " MACSTR
8031 " (iface_addr=%d) from group",
8032 MAC2STR(peer), iface_addr);
8033 hostapd_drv_sta_deauth(hapd, sta->addr,
8034 WLAN_REASON_DEAUTH_LEAVING);
8035 ap_sta_deauthenticate(hapd, sta, WLAN_REASON_DEAUTH_LEAVING);
8036 }
8037}
8038
8039
8040void wpas_p2p_remove_client(struct wpa_supplicant *wpa_s, const u8 *peer,
8041 int iface_addr)
8042{
8043 struct wpa_ssid *s;
8044 struct wpa_supplicant *w;
43677494 8045 struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s;
f2c56602
JM		 8046
8047 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove client " MACSTR, MAC2STR(peer));
8048
8049 /* Remove from any persistent group */
43677494 8050 for (s = p2p_wpa_s->conf->ssid; s; s = s->next) {
f2c56602
JM		 8051 if (s->disabled != 2 || s->mode != WPAS_MODE_P2P_GO)
8052 continue;
8053 if (!iface_addr)
43677494
BR		 8054 wpas_remove_persistent_peer(p2p_wpa_s, s, peer, 0);
8055 wpas_p2p_remove_psk(p2p_wpa_s, s, peer, iface_addr);
f2c56602
JM		 8056 }
8057
8058 /* Remove from any operating group */
8059 for (w = wpa_s->global->ifaces; w; w = w->next)
8060 wpas_p2p_remove_client_go(w, peer, iface_addr);
8061}
5bf9a6c8
JM		 8062
8063
813e7b36
JM		 8064static void wpas_p2p_psk_failure_removal(void *eloop_ctx, void *timeout_ctx)
8065{
8066 struct wpa_supplicant *wpa_s = eloop_ctx;
8067 wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_PSK_FAILURE);
8068}
8069
8070
8567866d
JJ		 8071static void wpas_p2p_group_freq_conflict(void *eloop_ctx, void *timeout_ctx)
8072{
8073 struct wpa_supplicant *wpa_s = eloop_ctx;
8074
8075 wpa_printf(MSG_DEBUG, "P2P: Frequency conflict - terminate group");
8076 wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_FREQ_CONFLICT);
8077}
8078
8079
8080int wpas_p2p_handle_frequency_conflicts(struct wpa_supplicant *wpa_s, int freq,
8081 struct wpa_ssid *ssid)
8082{
8083 struct wpa_supplicant *iface;
8084
8085 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
8086 if (!iface->current_ssid ||
8087 iface->current_ssid->frequency == freq ||
8088 (iface->p2p_group_interface == NOT_P2P_GROUP_INTERFACE &&
8089 !iface->current_ssid->p2p_group))
8090 continue;
8091
8092 /* Remove the connection with least priority */
8093 if (!wpas_is_p2p_prioritized(iface)) {
8094 /* STA connection has priority over existing
8095 * P2P connection, so remove the interface. */
8096 wpa_printf(MSG_DEBUG, "P2P: Removing P2P connection due to single channel concurrent mode frequency conflict");
8097 eloop_register_timeout(0, 0,
8098 wpas_p2p_group_freq_conflict,
8099 iface, NULL);
8100 /* If connection in progress is P2P connection, do not
8101 * proceed for the connection. */
8102 if (wpa_s == iface)
8103 return -1;
8104 else
8105 return 0;
8106 } else {
8107 /* P2P connection has priority, disable the STA network
8108 */
8109 wpa_supplicant_disable_network(wpa_s->global->ifaces,
8110 ssid);
8111 wpa_msg(wpa_s->global->ifaces, MSG_INFO,
8112 WPA_EVENT_FREQ_CONFLICT " id=%d", ssid->id);
8113 os_memset(wpa_s->global->ifaces->pending_bssid, 0,
8114 ETH_ALEN);
8115 /* If P2P connection is in progress, continue
8116 * connecting...*/
8117 if (wpa_s == iface)
8118 return 0;
8119 else
8120 return -1;
8121 }
8122 }
8123
8124 return 0;
8125}
8126
8127
5bf9a6c8
JM		 8128int wpas_p2p_4way_hs_failed(struct wpa_supplicant *wpa_s)
8129{
8130 struct wpa_ssid *ssid = wpa_s->current_ssid;
8131
8132 if (ssid == NULL || !ssid->p2p_group)
8133 return 0;
8134
8135 if (wpa_s->p2p_last_4way_hs_fail &&
8136 wpa_s->p2p_last_4way_hs_fail == ssid) {
8137 u8 go_dev_addr[ETH_ALEN];
8138 struct wpa_ssid *persistent;
8139
8140 if (wpas_p2p_persistent_group(wpa_s, go_dev_addr,
8141 ssid->ssid,
8142 ssid->ssid_len) <= 0) {
8143 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not determine whether 4-way handshake failures were for a persistent group");
8144 goto disconnect;
8145 }
8146
8147 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Two 4-way handshake failures for a P2P group - go_dev_addr="
8148 MACSTR, MAC2STR(go_dev_addr));
ba307f85 8149 persistent = wpas_p2p_get_persistent(wpa_s->p2pdev, go_dev_addr,
5bf9a6c8
JM		 8150 ssid->ssid,
8151 ssid->ssid_len);
8152 if (persistent == NULL || persistent->mode != WPAS_MODE_INFRA) {
8153 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No matching persistent group stored");
8154 goto disconnect;
8155 }
ba307f85 8156 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
5bf9a6c8
JM		 8157 P2P_EVENT_PERSISTENT_PSK_FAIL "%d",
8158 persistent->id);
8159 disconnect:
8160 wpa_s->p2p_last_4way_hs_fail = NULL;
813e7b36
JM		 8161 /*
8162 * Remove the group from a timeout to avoid issues with caller
8163 * continuing to use the interface if this is on a P2P group
8164 * interface.
8165 */
8166 eloop_register_timeout(0, 0, wpas_p2p_psk_failure_removal,
8167 wpa_s, NULL);
5bf9a6c8
JM		 8168 return 1;
8169 }
8170
8171 wpa_s->p2p_last_4way_hs_fail = ssid;
8172 return 0;
8173}
93588780
JM		 8174
8175
8176#ifdef CONFIG_WPS_NFC
8177
8178static struct wpabuf * wpas_p2p_nfc_handover(int ndef, struct wpabuf *wsc,
8179 struct wpabuf *p2p)
8180{
8181 struct wpabuf *ret;
59b45d1a 8182 size_t wsc_len;
93588780
JM		 8183
8184 if (p2p == NULL) {
8185 wpabuf_free(wsc);
8186 wpa_printf(MSG_DEBUG, "P2P: No p2p buffer for handover");
8187 return NULL;
8188 }
8189
59b45d1a
JM		 8190 wsc_len = wsc ? wpabuf_len(wsc) : 0;
8191 ret = wpabuf_alloc(2 + wsc_len + 2 + wpabuf_len(p2p));
93588780
JM		 8192 if (ret == NULL) {
8193 wpabuf_free(wsc);
8194 wpabuf_free(p2p);
8195 return NULL;
8196 }
8197
59b45d1a
JM		 8198 wpabuf_put_be16(ret, wsc_len);
8199 if (wsc)
8200 wpabuf_put_buf(ret, wsc);
93588780
JM		 8201 wpabuf_put_be16(ret, wpabuf_len(p2p));
8202 wpabuf_put_buf(ret, p2p);
8203
8204 wpabuf_free(wsc);
8205 wpabuf_free(p2p);
8206 wpa_hexdump_buf(MSG_DEBUG,
8207 "P2P: Generated NFC connection handover message", ret);
8208
8209 if (ndef && ret) {
8210 struct wpabuf *tmp;
8211 tmp = ndef_build_p2p(ret);
8212 wpabuf_free(ret);
8213 if (tmp == NULL) {
8214 wpa_printf(MSG_DEBUG, "P2P: Failed to NDEF encapsulate handover request");
8215 return NULL;
8216 }
8217 ret = tmp;
8218 }
8219
8220 return ret;
8221}
8222
8223
abe44e3c
JM		 8224static int wpas_p2p_cli_freq(struct wpa_supplicant *wpa_s,
8225 struct wpa_ssid **ssid, u8 *go_dev_addr)
59b45d1a
JM		 8226{
8227 struct wpa_supplicant *iface;
8228
abe44e3c
JM		 8229 if (go_dev_addr)
8230 os_memset(go_dev_addr, 0, ETH_ALEN);
8231 if (ssid)
8232 *ssid = NULL;
59b45d1a
JM		 8233 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
8234 if (iface->wpa_state < WPA_ASSOCIATING ||
8235 iface->current_ssid == NULL || iface->assoc_freq == 0 ||
8236 !iface->current_ssid->p2p_group ||
8237 iface->current_ssid->mode != WPAS_MODE_INFRA)
8238 continue;
abe44e3c
JM		 8239 if (ssid)
8240 *ssid = iface->current_ssid;
8241 if (go_dev_addr)
8242 os_memcpy(go_dev_addr, iface->go_dev_addr, ETH_ALEN);
59b45d1a
JM		 8243 return iface->assoc_freq;
8244 }
8245 return 0;
8246}
8247
8248
93588780
JM		 8249struct wpabuf * wpas_p2p_nfc_handover_req(struct wpa_supplicant *wpa_s,
8250 int ndef)
8251{
8252 struct wpabuf *wsc, *p2p;
abe44e3c
JM		 8253 struct wpa_ssid *ssid;
8254 u8 go_dev_addr[ETH_ALEN];
8255 int cli_freq = wpas_p2p_cli_freq(wpa_s, &ssid, go_dev_addr);
93588780
JM		 8256
8257 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) {
8258 wpa_printf(MSG_DEBUG, "P2P: P2P disabled - cannot build handover request");
8259 return NULL;
8260 }
8261
8262 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL &&
8263 wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
8264 &wpa_s->conf->wps_nfc_dh_privkey) < 0) {
8265 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No DH key available for handover request");
8266 return NULL;
8267 }
8268
59b45d1a
JM		 8269 if (cli_freq == 0) {
8270 wsc = wps_build_nfc_handover_req_p2p(
8271 wpa_s->parent->wps, wpa_s->conf->wps_nfc_dh_pubkey);
8272 } else
8273 wsc = NULL;
abe44e3c
JM		 8274 p2p = p2p_build_nfc_handover_req(wpa_s->global->p2p, cli_freq,
8275 go_dev_addr, ssid ? ssid->ssid : NULL,
8276 ssid ? ssid->ssid_len : 0);
93588780
JM		 8277
8278 return wpas_p2p_nfc_handover(ndef, wsc, p2p);
8279}
8280
8281
8282struct wpabuf * wpas_p2p_nfc_handover_sel(struct wpa_supplicant *wpa_s,
8283 int ndef, int tag)
8284{
8285 struct wpabuf *wsc, *p2p;
abe44e3c
JM		 8286 struct wpa_ssid *ssid;
8287 u8 go_dev_addr[ETH_ALEN];
8288 int cli_freq = wpas_p2p_cli_freq(wpa_s, &ssid, go_dev_addr);
93588780
JM		 8289
8290 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
8291 return NULL;
8292
8293 if (!tag && wpa_s->conf->wps_nfc_dh_pubkey == NULL &&
8294 wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
8295 &wpa_s->conf->wps_nfc_dh_privkey) < 0)
8296 return NULL;
8297
59b45d1a
JM		 8298 if (cli_freq == 0) {
8299 wsc = wps_build_nfc_handover_sel_p2p(
8300 wpa_s->parent->wps,
8301 tag ? wpa_s->conf->wps_nfc_dev_pw_id :
8302 DEV_PW_NFC_CONNECTION_HANDOVER,
8303 wpa_s->conf->wps_nfc_dh_pubkey,
8304 tag ? wpa_s->conf->wps_nfc_dev_pw : NULL);
8305 } else
8306 wsc = NULL;
abe44e3c
JM		 8307 p2p = p2p_build_nfc_handover_sel(wpa_s->global->p2p, cli_freq,
8308 go_dev_addr, ssid ? ssid->ssid : NULL,
8309 ssid ? ssid->ssid_len : 0);
93588780
JM		 8310
8311 return wpas_p2p_nfc_handover(ndef, wsc, p2p);
8312}
8313
db6ae69e
JM		 8314
8315static int wpas_p2p_nfc_join_group(struct wpa_supplicant *wpa_s,
8316 struct p2p_nfc_params *params)
8317{
8318 wpa_printf(MSG_DEBUG, "P2P: Initiate join-group based on NFC "
23318bea
JM		 8319 "connection handover (freq=%d)",
8320 params->go_freq);
8321
8322 if (params->go_freq && params->go_ssid_len) {
8323 wpa_s->p2p_wps_method = WPS_NFC;
8324 wpa_s->pending_join_wps_method = WPS_NFC;
8325 os_memset(wpa_s->pending_join_iface_addr, 0, ETH_ALEN);
8326 os_memcpy(wpa_s->pending_join_dev_addr, params->go_dev_addr,
8327 ETH_ALEN);
8328 return wpas_p2p_join_start(wpa_s, params->go_freq,
8329 params->go_ssid,
8330 params->go_ssid_len);
8331 }
8332
db6ae69e
JM		 8333 return wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL,
8334 WPS_NFC, 0, 0, 1, 0, wpa_s->conf->p2p_go_intent,
c27f4c90 8335 params->go_freq, wpa_s->p2p_go_vht_center_freq2,
70e0cb33
JM		 8336 -1, 0, 1, 1, wpa_s->p2p_go_max_oper_chwidth,
8337 params->go_ssid_len ? params->go_ssid : NULL,
8338 params->go_ssid_len);
db6ae69e
JM		 8339}
8340
8341
8342static int wpas_p2p_nfc_auth_join(struct wpa_supplicant *wpa_s,
8e9f53c3 8343 struct p2p_nfc_params *params, int tag)
db6ae69e 8344{
8e9f53c3
JM		 8345 int res, persistent;
8346 struct wpa_ssid *ssid;
8347
db6ae69e
JM		 8348 wpa_printf(MSG_DEBUG, "P2P: Authorize join-group based on NFC "
8349 "connection handover");
8350 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8e9f53c3 8351 ssid = wpa_s->current_ssid;
db6ae69e
JM		 8352 if (ssid == NULL)
8353 continue;
8354 if (ssid->mode != WPAS_MODE_P2P_GO)
8355 continue;
8356 if (wpa_s->ap_iface == NULL)
8357 continue;
8358 break;
8359 }
8360 if (wpa_s == NULL) {
8361 wpa_printf(MSG_DEBUG, "P2P: Could not find GO interface");
8362 return -1;
8363 }
8364
8365 if (wpa_s->parent->p2p_oob_dev_pw_id !=
8366 DEV_PW_NFC_CONNECTION_HANDOVER &&
8367 !wpa_s->parent->p2p_oob_dev_pw) {
8368 wpa_printf(MSG_DEBUG, "P2P: No NFC Dev Pw known");
8369 return -1;
8370 }
8e9f53c3 8371 res = wpas_ap_wps_add_nfc_pw(
db6ae69e
JM		 8372 wpa_s, wpa_s->parent->p2p_oob_dev_pw_id,
8373 wpa_s->parent->p2p_oob_dev_pw,
8374 wpa_s->parent->p2p_peer_oob_pk_hash_known ?
8375 wpa_s->parent->p2p_peer_oob_pubkey_hash : NULL);
8e9f53c3
JM		 8376 if (res)
8377 return res;
8378
8379 if (!tag) {
8380 wpa_printf(MSG_DEBUG, "P2P: Negotiated handover - wait for peer to join without invitation");
8381 return 0;
8382 }
8383
8384 if (!params->peer ||
8385 !(params->peer->dev_capab & P2P_DEV_CAPAB_INVITATION_PROCEDURE))
8386 return 0;
8387
8388 wpa_printf(MSG_DEBUG, "P2P: Static handover - invite peer " MACSTR
8389 " to join", MAC2STR(params->peer->p2p_device_addr));
8390
8391 wpa_s->global->p2p_invite_group = wpa_s;
8392 persistent = ssid->p2p_persistent_group &&
8393 wpas_p2p_get_persistent(wpa_s->parent,
8394 params->peer->p2p_device_addr,
8395 ssid->ssid, ssid->ssid_len);
8396 wpa_s->parent->pending_invite_ssid_id = -1;
8397
8398 return p2p_invite(wpa_s->global->p2p, params->peer->p2p_device_addr,
8399 P2P_INVITE_ROLE_ACTIVE_GO, wpa_s->own_addr,
8400 ssid->ssid, ssid->ssid_len, ssid->frequency,
8401 wpa_s->global->p2p_dev_addr, persistent, 0,
8402 wpa_s->parent->p2p_oob_dev_pw_id);
db6ae69e
JM		 8403}
8404
8405
8406static int wpas_p2p_nfc_init_go_neg(struct wpa_supplicant *wpa_s,
b56f6c88
JM		 8407 struct p2p_nfc_params *params,
8408 int forced_freq)
db6ae69e
JM		 8409{
8410 wpa_printf(MSG_DEBUG, "P2P: Initiate GO Negotiation based on NFC "
8411 "connection handover");
8412 return wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL,
8413 WPS_NFC, 0, 0, 0, 0, wpa_s->conf->p2p_go_intent,
c27f4c90 8414 forced_freq, wpa_s->p2p_go_vht_center_freq2,
70e0cb33
JM		 8415 -1, 0, 1, 1, wpa_s->p2p_go_max_oper_chwidth,
8416 NULL, 0);
db6ae69e
JM		 8417}
8418
8419
8420static int wpas_p2p_nfc_resp_go_neg(struct wpa_supplicant *wpa_s,
b56f6c88
JM		 8421 struct p2p_nfc_params *params,
8422 int forced_freq)
db6ae69e
JM		 8423{
8424 int res;
8425
8426 wpa_printf(MSG_DEBUG, "P2P: Authorize GO Negotiation based on NFC "
8427 "connection handover");
8428 res = wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL,
8429 WPS_NFC, 0, 0, 0, 1, wpa_s->conf->p2p_go_intent,
c27f4c90 8430 forced_freq, wpa_s->p2p_go_vht_center_freq2,
70e0cb33
JM		 8431 -1, 0, 1, 1, wpa_s->p2p_go_max_oper_chwidth,
8432 NULL, 0);
db6ae69e
JM		 8433 if (res)
8434 return res;
8435
8436 res = wpas_p2p_listen(wpa_s, 60);
8437 if (res) {
8438 p2p_unauthorize(wpa_s->global->p2p,
8439 params->peer->p2p_device_addr);
8440 }
8441
8442 return res;
8443}
8444
8445
8446static int wpas_p2p_nfc_connection_handover(struct wpa_supplicant *wpa_s,
8447 const struct wpabuf *data,
b56f6c88 8448 int sel, int tag, int forced_freq)
db6ae69e
JM		 8449{
8450 const u8 *pos, *end;
8451 u16 len, id;
8452 struct p2p_nfc_params params;
8453 int res;
8454
8455 os_memset(&params, 0, sizeof(params));
8456 params.sel = sel;
8457
8458 wpa_hexdump_buf(MSG_DEBUG, "P2P: Received NFC tag payload", data);
8459
8460 pos = wpabuf_head(data);
8461 end = pos + wpabuf_len(data);
8462
8463 if (end - pos < 2) {
8464 wpa_printf(MSG_DEBUG, "P2P: Not enough data for Length of WSC "
8465 "attributes");
8466 return -1;
8467 }
8468 len = WPA_GET_BE16(pos);
8469 pos += 2;
c061ae59 8470 if (len > end - pos) {
db6ae69e
JM		 8471 wpa_printf(MSG_DEBUG, "P2P: Not enough data for WSC "
8472 "attributes");
8473 return -1;
8474 }
8475 params.wsc_attr = pos;
8476 params.wsc_len = len;
8477 pos += len;
8478
8479 if (end - pos < 2) {
8480 wpa_printf(MSG_DEBUG, "P2P: Not enough data for Length of P2P "
8481 "attributes");
8482 return -1;
8483 }
8484 len = WPA_GET_BE16(pos);
8485 pos += 2;
c061ae59 8486 if (len > end - pos) {
db6ae69e
JM		 8487 wpa_printf(MSG_DEBUG, "P2P: Not enough data for P2P "
8488 "attributes");
8489 return -1;
8490 }
8491 params.p2p_attr = pos;
8492 params.p2p_len = len;
8493 pos += len;
8494
8495 wpa_hexdump(MSG_DEBUG, "P2P: WSC attributes",
8496 params.wsc_attr, params.wsc_len);
8497 wpa_hexdump(MSG_DEBUG, "P2P: P2P attributes",
8498 params.p2p_attr, params.p2p_len);
8499 if (pos < end) {
8500 wpa_hexdump(MSG_DEBUG,
8501 "P2P: Ignored extra data after P2P attributes",
8502 pos, end - pos);
8503 }
8504
8505 res = p2p_process_nfc_connection_handover(wpa_s->global->p2p, &params);
8506 if (res)
8507 return res;
8508
74df9ecd
JM		 8509 if (params.next_step == NO_ACTION)
8510 return 0;
8511
8512 if (params.next_step == BOTH_GO) {
8513 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_BOTH_GO "peer=" MACSTR,
8514 MAC2STR(params.peer->p2p_device_addr));
8515 return 0;
8516 }
8517
59b45d1a 8518 if (params.next_step == PEER_CLIENT) {
abe44e3c
JM		 8519 if (!is_zero_ether_addr(params.go_dev_addr)) {
8520 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_PEER_CLIENT
8521 "peer=" MACSTR " freq=%d go_dev_addr=" MACSTR
8522 " ssid=\"%s\"",
8523 MAC2STR(params.peer->p2p_device_addr),
8524 params.go_freq,
8525 MAC2STR(params.go_dev_addr),
8526 wpa_ssid_txt(params.go_ssid,
8527 params.go_ssid_len));
8528 } else {
8529 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_PEER_CLIENT
8530 "peer=" MACSTR " freq=%d",
8531 MAC2STR(params.peer->p2p_device_addr),
8532 params.go_freq);
8533 }
59b45d1a
JM		 8534 return 0;
8535 }
8536
abe44e3c 8537 if (wpas_p2p_cli_freq(wpa_s, NULL, NULL)) {
59b45d1a
JM		 8538 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_WHILE_CLIENT "peer="
8539 MACSTR, MAC2STR(params.peer->p2p_device_addr));
8540 return 0;
8541 }
8542
db6ae69e
JM		 8543 wpabuf_free(wpa_s->p2p_oob_dev_pw);
8544 wpa_s->p2p_oob_dev_pw = NULL;
8545
8546 if (params.oob_dev_pw_len < WPS_OOB_PUBKEY_HASH_LEN + 2) {
8547 wpa_printf(MSG_DEBUG, "P2P: No peer OOB Dev Pw "
8548 "received");
8549 return -1;
8550 }
8551
8552 id = WPA_GET_BE16(params.oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN);
8553 wpa_printf(MSG_DEBUG, "P2P: Peer OOB Dev Pw %u", id);
8554 wpa_hexdump(MSG_DEBUG, "P2P: Peer OOB Public Key hash",
8555 params.oob_dev_pw, WPS_OOB_PUBKEY_HASH_LEN);
8556 os_memcpy(wpa_s->p2p_peer_oob_pubkey_hash,
8557 params.oob_dev_pw, WPS_OOB_PUBKEY_HASH_LEN);
8558 wpa_s->p2p_peer_oob_pk_hash_known = 1;
8559
8560 if (tag) {
8561 if (id < 0x10) {
8562 wpa_printf(MSG_DEBUG, "P2P: Static handover - invalid "
8563 "peer OOB Device Password Id %u", id);
8564 return -1;
8565 }
8566 wpa_printf(MSG_DEBUG, "P2P: Static handover - use peer OOB "
8567 "Device Password Id %u", id);
8568 wpa_hexdump_key(MSG_DEBUG, "P2P: Peer OOB Device Password",
8569 params.oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN + 2,
8570 params.oob_dev_pw_len -
8571 WPS_OOB_PUBKEY_HASH_LEN - 2);
8572 wpa_s->p2p_oob_dev_pw_id = id;
8573 wpa_s->p2p_oob_dev_pw = wpabuf_alloc_copy(
8574 params.oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN + 2,
8575 params.oob_dev_pw_len -
8576 WPS_OOB_PUBKEY_HASH_LEN - 2);
8577 if (wpa_s->p2p_oob_dev_pw == NULL)
8578 return -1;
8579
8580 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL &&
8581 wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
8582 &wpa_s->conf->wps_nfc_dh_privkey) < 0)
8583 return -1;
8584 } else {
8585 wpa_printf(MSG_DEBUG, "P2P: Using abbreviated WPS handshake "
8586 "without Device Password");
8587 wpa_s->p2p_oob_dev_pw_id = DEV_PW_NFC_CONNECTION_HANDOVER;
8588 }
8589
8590 switch (params.next_step) {
8591 case NO_ACTION:
74df9ecd 8592 case BOTH_GO:
59b45d1a 8593 case PEER_CLIENT:
74df9ecd 8594 /* already covered above */
db6ae69e
JM		 8595 return 0;
8596 case JOIN_GROUP:
8597 return wpas_p2p_nfc_join_group(wpa_s, &params);
8598 case AUTH_JOIN:
8e9f53c3 8599 return wpas_p2p_nfc_auth_join(wpa_s, &params, tag);
db6ae69e 8600 case INIT_GO_NEG:
b56f6c88 8601 return wpas_p2p_nfc_init_go_neg(wpa_s, &params, forced_freq);
db6ae69e
JM		 8602 case RESP_GO_NEG:
8603 /* TODO: use own OOB Dev Pw */
b56f6c88 8604 return wpas_p2p_nfc_resp_go_neg(wpa_s, &params, forced_freq);
db6ae69e
JM		 8605 }
8606
8607 return -1;
8608}
8609
8610
dd37a938 8611int wpas_p2p_nfc_tag_process(struct wpa_supplicant *wpa_s,
b56f6c88 8612 const struct wpabuf *data, int forced_freq)
dd37a938
JM		 8613{
8614 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
8615 return -1;
8616
b56f6c88 8617 return wpas_p2p_nfc_connection_handover(wpa_s, data, 1, 1, forced_freq);
dd37a938
JM		 8618}
8619
8620
db6ae69e
JM		 8621int wpas_p2p_nfc_report_handover(struct wpa_supplicant *wpa_s, int init,
8622 const struct wpabuf *req,
b56f6c88 8623 const struct wpabuf *sel, int forced_freq)
db6ae69e
JM		 8624{
8625 struct wpabuf *tmp;
8626 int ret;
8627
8628 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
8629 return -1;
8630
8631 wpa_printf(MSG_DEBUG, "NFC: P2P connection handover reported");
8632
8633 wpa_hexdump_ascii(MSG_DEBUG, "NFC: Req",
8634 wpabuf_head(req), wpabuf_len(req));
8635 wpa_hexdump_ascii(MSG_DEBUG, "NFC: Sel",
8636 wpabuf_head(sel), wpabuf_len(sel));
b56f6c88
JM		 8637 if (forced_freq)
8638 wpa_printf(MSG_DEBUG, "NFC: Forced freq %d", forced_freq);
db6ae69e
JM		 8639 tmp = ndef_parse_p2p(init ? sel : req);
8640 if (tmp == NULL) {
8641 wpa_printf(MSG_DEBUG, "P2P: Could not parse NDEF");
8642 return -1;
8643 }
8644
b56f6c88
JM		 8645 ret = wpas_p2p_nfc_connection_handover(wpa_s, tmp, init, 0,
8646 forced_freq);
db6ae69e
JM		 8647 wpabuf_free(tmp);
8648
8649 return ret;
8650}
8651
c4f87a70
JM		 8652
8653int wpas_p2p_nfc_tag_enabled(struct wpa_supplicant *wpa_s, int enabled)
8654{
8655 const u8 *if_addr;
8656 int go_intent = wpa_s->conf->p2p_go_intent;
dd876771 8657 struct wpa_supplicant *iface;
c4f87a70
JM		 8658
8659 if (wpa_s->global->p2p == NULL)
8660 return -1;
8661
8662 if (!enabled) {
dd876771
JM		 8663 wpa_printf(MSG_DEBUG, "P2P: Disable use of own NFC Tag");
8664 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
8665 {
8666 if (!iface->ap_iface)
8667 continue;
8668 hostapd_wps_nfc_token_disable(iface->ap_iface->bss[0]);
8669 }
c4f87a70
JM		 8670 p2p_set_authorized_oob_dev_pw_id(wpa_s->global->p2p, 0,
8671 0, NULL);
8672 if (wpa_s->p2p_nfc_tag_enabled)
8673 wpas_p2p_remove_pending_group_interface(wpa_s);
8674 wpa_s->p2p_nfc_tag_enabled = 0;
8675 return 0;
8676 }
8677
8678 if (wpa_s->global->p2p_disabled)
8679 return -1;
8680
8681 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL ||
8682 wpa_s->conf->wps_nfc_dh_privkey == NULL ||
8683 wpa_s->conf->wps_nfc_dev_pw == NULL ||
8684 wpa_s->conf->wps_nfc_dev_pw_id < 0x10) {
8685 wpa_printf(MSG_DEBUG, "P2P: NFC password token not configured "
8686 "to allow static handover cases");
8687 return -1;
8688 }
8689
dd876771
JM		 8690 wpa_printf(MSG_DEBUG, "P2P: Enable use of own NFC Tag");
8691
c4f87a70
JM		 8692 wpa_s->p2p_oob_dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id;
8693 wpabuf_free(wpa_s->p2p_oob_dev_pw);
8694 wpa_s->p2p_oob_dev_pw = wpabuf_dup(wpa_s->conf->wps_nfc_dev_pw);
8695 if (wpa_s->p2p_oob_dev_pw == NULL)
8696 return -1;
8697 wpa_s->p2p_peer_oob_pk_hash_known = 0;
8698
67d39cfb
MB		 8699 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO ||
8700 wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT) {
8701 /*
8702 * P2P Group Interface present and the command came on group
8703 * interface, so enable the token for the current interface.
8704 */
8705 wpa_s->create_p2p_iface = 0;
8706 } else {
8707 wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
8708 }
c4f87a70
JM		 8709
8710 if (wpa_s->create_p2p_iface) {
8711 enum wpa_driver_if_type iftype;
8712 /* Prepare to add a new interface for the group */
8713 iftype = WPA_IF_P2P_GROUP;
8714 if (go_intent == 15)
8715 iftype = WPA_IF_P2P_GO;
8716 if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) {
8717 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
8718 "interface for the group");
8719 return -1;
8720 }
8721
8722 if_addr = wpa_s->pending_interface_addr;
96a26ab7
LD		 8723 } else if (wpa_s->p2p_mgmt)
8724 if_addr = wpa_s->parent->own_addr;
8725 else
c4f87a70
JM		 8726 if_addr = wpa_s->own_addr;
8727
8728 wpa_s->p2p_nfc_tag_enabled = enabled;
8729
dd876771
JM		 8730 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
8731 struct hostapd_data *hapd;
8732 if (iface->ap_iface == NULL)
8733 continue;
8734 hapd = iface->ap_iface->bss[0];
8735 wpabuf_free(hapd->conf->wps_nfc_dh_pubkey);
8736 hapd->conf->wps_nfc_dh_pubkey =
8737 wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey);
8738 wpabuf_free(hapd->conf->wps_nfc_dh_privkey);
8739 hapd->conf->wps_nfc_dh_privkey =
8740 wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey);
8741 wpabuf_free(hapd->conf->wps_nfc_dev_pw);
8742 hapd->conf->wps_nfc_dev_pw =
8743 wpabuf_dup(wpa_s->conf->wps_nfc_dev_pw);
8744 hapd->conf->wps_nfc_dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id;
8745
8746 if (hostapd_wps_nfc_token_enable(iface->ap_iface->bss[0]) < 0) {
8747 wpa_dbg(iface, MSG_DEBUG,
8748 "P2P: Failed to enable NFC Tag for GO");
8749 }
8750 }
c4f87a70
JM		 8751 p2p_set_authorized_oob_dev_pw_id(
8752 wpa_s->global->p2p, wpa_s->conf->wps_nfc_dev_pw_id, go_intent,
8753 if_addr);
8754
8755 return 0;
8756}
8757
93588780 8758#endif /* CONFIG_WPS_NFC */
e3bd6e9d
IP		 8759
8760
8761static void wpas_p2p_optimize_listen_channel(struct wpa_supplicant *wpa_s,
8762 struct wpa_used_freq_data *freqs,
8763 unsigned int num)
8764{
8765 u8 curr_chan, cand, chan;
8766 unsigned int i;
8767
c2675c87
IP		 8768 /*
8769 * If possible, optimize the Listen channel to be a channel that is
8770 * already used by one of the other interfaces.
8771 */
8772 if (!wpa_s->conf->p2p_optimize_listen_chan)
8773 return;
8774
8775 if (!wpa_s->current_ssid || wpa_s->wpa_state != WPA_COMPLETED)
8776 return;
8777
e3bd6e9d
IP		 8778 curr_chan = p2p_get_listen_channel(wpa_s->global->p2p);
8779 for (i = 0, cand = 0; i < num; i++) {
8780 ieee80211_freq_to_chan(freqs[i].freq, &chan);
8781 if (curr_chan == chan) {
8782 cand = 0;
8783 break;
8784 }
8785
8786 if (chan == 1 || chan == 6 || chan == 11)
8787 cand = chan;
8788 }
8789
8790 if (cand) {
8791 wpa_dbg(wpa_s, MSG_DEBUG,
abe96d06 8792 "P2P: Update Listen channel to %u based on operating channel",
e3bd6e9d
IP		 8793 cand);
8794 p2p_set_listen_channel(wpa_s->global->p2p, 81, cand, 0);
8795 }
8796}
8797
8798
1a471ff0
IP		 8799static int wpas_p2p_move_go_csa(struct wpa_supplicant *wpa_s)
8800{
73afc20d
AO		 8801 struct hostapd_config *conf;
8802 struct p2p_go_neg_results params;
8803 struct csa_settings csa_settings;
8804 struct wpa_ssid *current_ssid = wpa_s->current_ssid;
8805 int old_freq = current_ssid->frequency;
8806 int ret;
73afc20d 8807
1a471ff0
IP		 8808 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_CSA)) {
8809 wpa_dbg(wpa_s, MSG_DEBUG, "CSA is not enabled");
8810 return -1;
8811 }
8812
73afc20d
AO		 8813 /*
8814 * TODO: This function may not always work correctly. For example,
8815 * when we have a running GO and a BSS on a DFS channel.
8816 */
c27f4c90 8817 if (wpas_p2p_init_go_params(wpa_s, &params, 0, 0, 0, 0, 0, NULL)) {
73afc20d
AO		 8818 wpa_dbg(wpa_s, MSG_DEBUG,
8819 "P2P CSA: Failed to select new frequency for GO");
8820 return -1;
8821 }
8822
8823 if (current_ssid->frequency == params.freq) {
8824 wpa_dbg(wpa_s, MSG_DEBUG,
8825 "P2P CSA: Selected same frequency - not moving GO");
8826 return 0;
8827 }
8828
8829 conf = hostapd_config_defaults();
8830 if (!conf) {
8831 wpa_dbg(wpa_s, MSG_DEBUG,
8832 "P2P CSA: Failed to allocate default config");
8833 return -1;
8834 }
8835
8836 current_ssid->frequency = params.freq;
8837 if (wpa_supplicant_conf_ap_ht(wpa_s, current_ssid, conf)) {
8838 wpa_dbg(wpa_s, MSG_DEBUG,
8839 "P2P CSA: Failed to create new GO config");
8840 ret = -1;
8841 goto out;
8842 }
8843
8844 if (conf->hw_mode != wpa_s->ap_iface->current_mode->mode) {
8845 wpa_dbg(wpa_s, MSG_DEBUG,
8846 "P2P CSA: CSA to a different band is not supported");
8847 ret = -1;
8848 goto out;
8849 }
8850
8851 os_memset(&csa_settings, 0, sizeof(csa_settings));
8852 csa_settings.cs_count = P2P_GO_CSA_COUNT;
8853 csa_settings.block_tx = P2P_GO_CSA_BLOCK_TX;
8854 csa_settings.freq_params.freq = params.freq;
73afc20d
AO		 8855 csa_settings.freq_params.sec_channel_offset = conf->secondary_channel;
8856 csa_settings.freq_params.ht_enabled = conf->ieee80211n;
8857 csa_settings.freq_params.bandwidth = conf->secondary_channel ? 40 : 20;
8858
8859 if (conf->ieee80211ac) {
8860 int freq1 = 0, freq2 = 0;
7d82170a
LC		 8861 u8 chan, opclass;
8862
8863 if (ieee80211_freq_to_channel_ext(params.freq,
8864 conf->secondary_channel,
8865 conf->vht_oper_chwidth,
8866 &opclass, &chan) ==
8867 NUM_HOSTAPD_MODES) {
8868 wpa_printf(MSG_ERROR, "P2P CSA: Bad freq");
8869 ret = -1;
8870 goto out;
8871 }
73afc20d
AO		 8872
8873 if (conf->vht_oper_centr_freq_seg0_idx)
8874 freq1 = ieee80211_chan_to_freq(
7d82170a 8875 NULL, opclass,
73afc20d
AO		 8876 conf->vht_oper_centr_freq_seg0_idx);
8877
8878 if (conf->vht_oper_centr_freq_seg1_idx)
8879 freq2 = ieee80211_chan_to_freq(
7d82170a 8880 NULL, opclass,
73afc20d
AO		 8881 conf->vht_oper_centr_freq_seg1_idx);
8882
8883 if (freq1 < 0 || freq2 < 0) {
8884 wpa_dbg(wpa_s, MSG_DEBUG,
8885 "P2P CSA: Selected invalid VHT center freqs");
8886 ret = -1;
8887 goto out;
8888 }
8889
8890 csa_settings.freq_params.vht_enabled = conf->ieee80211ac;
8891 csa_settings.freq_params.center_freq1 = freq1;
8892 csa_settings.freq_params.center_freq2 = freq2;
8893
8894 switch (conf->vht_oper_chwidth) {
8895 case VHT_CHANWIDTH_80MHZ:
8896 case VHT_CHANWIDTH_80P80MHZ:
8897 csa_settings.freq_params.bandwidth = 80;
8898 break;
8899 case VHT_CHANWIDTH_160MHZ:
8900 csa_settings.freq_params.bandwidth = 160;
8901 break;
8902 }
8903 }
8904
8905 ret = ap_switch_channel(wpa_s, &csa_settings);
8906out:
8907 current_ssid->frequency = old_freq;
8908 hostapd_config_free(conf);
8909 return ret;
1a471ff0
IP		 8910}
8911
8912
8913static void wpas_p2p_move_go_no_csa(struct wpa_supplicant *wpa_s)
8914{
8915 struct p2p_go_neg_results params;
8916 struct wpa_ssid *current_ssid = wpa_s->current_ssid;
8917
8918 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_REMOVE_AND_REFORM_GROUP);
8919
8920 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Move GO from freq=%d MHz",
8921 current_ssid->frequency);
8922
8923 /* Stop the AP functionality */
8924 /* TODO: Should do this in a way that does not indicated to possible
8925 * P2P Clients in the group that the group is terminated. */
8926 wpa_supplicant_ap_deinit(wpa_s);
8927
8928 /* Reselect the GO frequency */
c27f4c90 8929 if (wpas_p2p_init_go_params(wpa_s, &params, 0, 0, 0, 0, 0, NULL)) {
1a471ff0
IP		 8930 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Failed to reselect freq");
8931 wpas_p2p_group_delete(wpa_s,
8932 P2P_GROUP_REMOVAL_GO_LEAVE_CHANNEL);
8933 return;
8934 }
8935 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New freq selected for the GO (%u MHz)",
8936 params.freq);
8937
8938 if (params.freq &&
8939 !p2p_supported_freq_go(wpa_s->global->p2p, params.freq)) {
8940 wpa_printf(MSG_DEBUG,
8941 "P2P: Selected freq (%u MHz) is not valid for P2P",
8942 params.freq);
8943 wpas_p2p_group_delete(wpa_s,
8944 P2P_GROUP_REMOVAL_GO_LEAVE_CHANNEL);
8945 return;
8946 }
8947
8948 /* Update the frequency */
8949 current_ssid->frequency = params.freq;
8950 wpa_s->connect_without_scan = current_ssid;
8951 wpa_s->reassociate = 1;
8952 wpa_s->disconnected = 0;
8953 wpa_supplicant_req_scan(wpa_s, 0, 0);
8954}
8955
8956
8957static void wpas_p2p_move_go(void *eloop_ctx, void *timeout_ctx)
8958{
8959 struct wpa_supplicant *wpa_s = eloop_ctx;
8960
8961 if (!wpa_s->ap_iface || !wpa_s->current_ssid)
8962 return;
8963
5e1f4805
IP		 8964 wpas_p2p_go_update_common_freqs(wpa_s);
8965
3bafb0d8
AO		 8966 /* Do not move GO in the middle of a CSA */
8967 if (hostapd_csa_in_progress(wpa_s->ap_iface)) {
8968 wpa_printf(MSG_DEBUG,
8969 "P2P: CSA is in progress - not moving GO");
8970 return;
8971 }
8972
1a471ff0
IP		 8973 /*
8974 * First, try a channel switch flow. If it is not supported or fails,
8975 * take down the GO and bring it up again.
8976 */
8977 if (wpas_p2p_move_go_csa(wpa_s) < 0)
8978 wpas_p2p_move_go_no_csa(wpa_s);
8979}
8980
8981
dae4c82c
IP		 8982static void wpas_p2p_reconsider_moving_go(void *eloop_ctx, void *timeout_ctx)
8983{
8984 struct wpa_supplicant *wpa_s = eloop_ctx;
8985 struct wpa_used_freq_data *freqs = NULL;
8986 unsigned int num = wpa_s->num_multichan_concurrent;
8987
8988 freqs = os_calloc(num, sizeof(struct wpa_used_freq_data));
8989 if (!freqs)
8990 return;
8991
8992 num = get_shared_radio_freqs_data(wpa_s, freqs, num);
8993
8994 /* Previous attempt to move a GO was not possible -- try again. */
3a8f008a
IP		 8995 wpas_p2p_consider_moving_gos(wpa_s, freqs, num,
8996 WPAS_P2P_CHANNEL_UPDATE_ANY);
dae4c82c
IP		 8997
8998 os_free(freqs);
8999}
9000
9001
1a471ff0
IP		 9002/*
9003 * Consider moving a GO from its currently used frequency:
9004 * 1. It is possible that due to regulatory consideration the frequency
9005 * can no longer be used and there is a need to evacuate the GO.
9006 * 2. It is possible that due to MCC considerations, it would be preferable
9007 * to move the GO to a channel that is currently used by some other
9008 * station interface.
9009 *
9010 * In case a frequency that became invalid is once again valid, cancel a
9011 * previously initiated GO frequency change.
9012 */
9013static void wpas_p2p_consider_moving_one_go(struct wpa_supplicant *wpa_s,
9014 struct wpa_used_freq_data *freqs,
9015 unsigned int num)
9016{
9017 unsigned int i, invalid_freq = 0, policy_move = 0, flags = 0;
9018 unsigned int timeout;
9019 int freq;
9020
5e1f4805
IP		 9021 wpas_p2p_go_update_common_freqs(wpa_s);
9022
1a471ff0
IP		 9023 freq = wpa_s->current_ssid->frequency;
9024 for (i = 0, invalid_freq = 0; i < num; i++) {
9025 if (freqs[i].freq == freq) {
9026 flags = freqs[i].flags;
9027
9028 /* The channel is invalid, must change it */
9029 if (!p2p_supported_freq_go(wpa_s->global->p2p, freq)) {
9030 wpa_dbg(wpa_s, MSG_DEBUG,
9031 "P2P: Freq=%d MHz no longer valid for GO",
9032 freq);
9033 invalid_freq = 1;
9034 }
9035 } else if (freqs[i].flags == 0) {
9036 /* Freq is not used by any other station interface */
9037 continue;
9038 } else if (!p2p_supported_freq(wpa_s->global->p2p,
9039 freqs[i].freq)) {
9040 /* Freq is not valid for P2P use cases */
9041 continue;
9042 } else if (wpa_s->conf->p2p_go_freq_change_policy ==
9043 P2P_GO_FREQ_MOVE_SCM) {
9044 policy_move = 1;
9045 } else if (wpa_s->conf->p2p_go_freq_change_policy ==
9046 P2P_GO_FREQ_MOVE_SCM_PEER_SUPPORTS &&
9047 wpas_p2p_go_is_peer_freq(wpa_s, freqs[i].freq)) {
9048 policy_move = 1;
98b05081
AO		 9049 } else if ((wpa_s->conf->p2p_go_freq_change_policy ==
9050 P2P_GO_FREQ_MOVE_SCM_ECSA) &&
9051 wpas_p2p_go_is_peer_freq(wpa_s, freqs[i].freq)) {
9052 if (!p2p_get_group_num_members(wpa_s->p2p_group)) {
9053 policy_move = 1;
9054 } else if ((wpa_s->drv_flags &
9055 WPA_DRIVER_FLAGS_AP_CSA) &&
9056 wpas_p2p_go_clients_support_ecsa(wpa_s)) {
9057 u8 chan;
9058
9059 /*
9060 * We do not support CSA between bands, so move
9061 * GO only within the same band.
9062 */
9063 if (wpa_s->ap_iface->current_mode->mode ==
9064 ieee80211_freq_to_chan(freqs[i].freq,
9065 &chan))
9066 policy_move = 1;
9067 }
1a471ff0
IP		 9068 }
9069 }
9070
9071 wpa_dbg(wpa_s, MSG_DEBUG,
9072 "P2P: GO move: invalid_freq=%u, policy_move=%u, flags=0x%X",
9073 invalid_freq, policy_move, flags);
9074
9075 /*
9076 * The channel is valid, or we are going to have a policy move, so
9077 * cancel timeout.
9078 */
9079 if (!invalid_freq || policy_move) {
9080 wpa_dbg(wpa_s, MSG_DEBUG,
9081 "P2P: Cancel a GO move from freq=%d MHz", freq);
9082 eloop_cancel_timeout(wpas_p2p_move_go, wpa_s, NULL);
dae4c82c
IP		 9083
9084 if (wpas_p2p_in_progress(wpa_s)) {
9085 wpa_dbg(wpa_s, MSG_DEBUG,
9086 "P2P: GO move: policy CS is not allowed - setting timeout to re-consider GO move");
9087 eloop_cancel_timeout(wpas_p2p_reconsider_moving_go,
9088 wpa_s, NULL);
9089 eloop_register_timeout(P2P_RECONSIDER_GO_MOVE_DELAY, 0,
9090 wpas_p2p_reconsider_moving_go,
9091 wpa_s, NULL);
9092 return;
9093 }
1a471ff0
IP		 9094 }
9095
9096 if (!invalid_freq && (!policy_move || flags != 0)) {
9097 wpa_dbg(wpa_s, MSG_DEBUG,
9098 "P2P: Not initiating a GO frequency change");
9099 return;
9100 }
9101
3bafb0d8
AO		 9102 /*
9103 * Do not consider moving GO if it is in the middle of a CSA. When the
9104 * CSA is finished this flow should be retriggered.
9105 */
9106 if (hostapd_csa_in_progress(wpa_s->ap_iface)) {
9107 wpa_dbg(wpa_s, MSG_DEBUG,
9108 "P2P: Not initiating a GO frequency change - CSA is in progress");
9109 return;
9110 }
9111
1a471ff0
IP		 9112 if (invalid_freq && !wpas_p2p_disallowed_freq(wpa_s->global, freq))
9113 timeout = P2P_GO_FREQ_CHANGE_TIME;
9114 else
9115 timeout = 0;
9116
9117 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Move GO from freq=%d MHz in %d secs",
9118 freq, timeout);
9119 eloop_cancel_timeout(wpas_p2p_move_go, wpa_s, NULL);
9120 eloop_register_timeout(timeout, 0, wpas_p2p_move_go, wpa_s, NULL);
9121}
9122
9123
9124static void wpas_p2p_consider_moving_gos(struct wpa_supplicant *wpa_s,
9125 struct wpa_used_freq_data *freqs,
3a8f008a
IP		 9126 unsigned int num,
9127 enum wpas_p2p_channel_update_trig trig)
1a471ff0
IP		 9128{
9129 struct wpa_supplicant *ifs;
9130
dae4c82c
IP		 9131 eloop_cancel_timeout(wpas_p2p_reconsider_moving_go, ELOOP_ALL_CTX,
9132 NULL);
9133
1a471ff0
IP		 9134 /*
9135 * Travers all the radio interfaces, and for each GO interface, check
9136 * if there is a need to move the GO from the frequency it is using,
9137 * or in case the frequency is valid again, cancel the evacuation flow.
9138 */
9139 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
9140 radio_list) {
9141 if (ifs->current_ssid == NULL ||
9142 ifs->current_ssid->mode != WPAS_MODE_P2P_GO)
9143 continue;
9144
3a8f008a
IP		 9145 /*
9146 * The GO was just started or completed channel switch, no need
9147 * to move it.
9148 */
9149 if (wpa_s == ifs &&
9150 (trig == WPAS_P2P_CHANNEL_UPDATE_STATE_CHANGE ||
9151 trig == WPAS_P2P_CHANNEL_UPDATE_CS)) {
9152 wpa_dbg(wpa_s, MSG_DEBUG,
9153 "P2P: GO move - schedule re-consideration");
9154 eloop_register_timeout(P2P_RECONSIDER_GO_MOVE_DELAY, 0,
9155 wpas_p2p_reconsider_moving_go,
9156 wpa_s, NULL);
9157 continue;
9158 }
9159
1a471ff0
IP		 9160 wpas_p2p_consider_moving_one_go(ifs, freqs, num);
9161 }
9162}
9163
9164
e3bd6e9d
IP		 9165void wpas_p2p_indicate_state_change(struct wpa_supplicant *wpa_s)
9166{
e3bd6e9d
IP		 9167 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
9168 return;
9169
3a8f008a
IP		 9170 wpas_p2p_update_channel_list(wpa_s,
9171 WPAS_P2P_CHANNEL_UPDATE_STATE_CHANGE);
e3bd6e9d 9172}
bd10d938
JM		 9173
9174
9175void wpas_p2p_deinit_iface(struct wpa_supplicant *wpa_s)
9176{
bd10d938
JM		 9177 if (wpa_s == wpa_s->global->p2p_init_wpa_s && wpa_s->global->p2p) {
9178 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Disable P2P since removing "
9179 "the management interface is being removed");
9180 wpas_p2p_deinit_global(wpa_s->global);
9181 }
9182}
9183
9184
9185void wpas_p2p_ap_deinit(struct wpa_supplicant *wpa_s)
9186{
9187 if (wpa_s->ap_iface->bss)
9188 wpa_s->ap_iface->bss[0]->p2p_group = NULL;
9189 wpas_p2p_group_deinit(wpa_s);
9190}
Unnamed repository; edit this file 'description' to name the repository.