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[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52 * it is currently using, but is no longer valid for P2P use cases.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57 * Defines CSA parameters which are used when GO evacuates the no longer valid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
112fdee7 1079 return !!(group_capab & P2P_GROUP_CAPAB_PERSISTENT_GROUP);
b22128ef
JM
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;
f347429c
LD
1137 s->pbss = ssid->pbss;
1138 s->pairwise_cipher = ssid->pbss ? WPA_CIPHER_GCMP : WPA_CIPHER_CCMP;
d1c8ac88 1139 s->export_keys = 1;
b22128ef
JM
1140 if (ssid->passphrase) {
1141 os_free(s->passphrase);
1142 s->passphrase = os_strdup(ssid->passphrase);
1143 }
1144 if (ssid->psk_set) {
1145 s->psk_set = 1;
1146 os_memcpy(s->psk, ssid->psk, 32);
1147 }
1148 if (s->passphrase && !s->psk_set)
1149 wpa_config_update_psk(s);
1150 if (s->ssid == NULL || s->ssid_len < ssid->ssid_len) {
1151 os_free(s->ssid);
1152 s->ssid = os_malloc(ssid->ssid_len);
1153 }
1154 if (s->ssid) {
1155 s->ssid_len = ssid->ssid_len;
1156 os_memcpy(s->ssid, ssid->ssid, s->ssid_len);
1157 }
01a57fe4
JM
1158 if (ssid->mode == WPAS_MODE_P2P_GO && wpa_s->global->add_psk) {
1159 dl_list_add(&s->psk_list, &wpa_s->global->add_psk->list);
1160 wpa_s->global->add_psk = NULL;
1161 changed = 1;
1162 }
b22128ef 1163
b22128ef
JM
1164 if (changed && wpa_s->conf->update_config &&
1165 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
1166 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
1167 }
4b6baa2f
JMB
1168
1169 return s->id;
b22128ef
JM
1170}
1171
1172
fbdcfd57
JM
1173static void wpas_p2p_add_persistent_group_client(struct wpa_supplicant *wpa_s,
1174 const u8 *addr)
1175{
1176 struct wpa_ssid *ssid, *s;
1177 u8 *n;
1178 size_t i;
22316795 1179 int found = 0;
1e0a0294 1180 struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s;
fbdcfd57
JM
1181
1182 ssid = wpa_s->current_ssid;
1183 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
1184 !ssid->p2p_persistent_group)
1185 return;
1186
1e0a0294 1187 for (s = p2p_wpa_s->conf->ssid; s; s = s->next) {
fbdcfd57
JM
1188 if (s->disabled != 2 || s->mode != WPAS_MODE_P2P_GO)
1189 continue;
1190
1191 if (s->ssid_len == ssid->ssid_len &&
1192 os_memcmp(s->ssid, ssid->ssid, s->ssid_len) == 0)
1193 break;
1194 }
1195
1196 if (s == NULL)
1197 return;
1198
1199 for (i = 0; s->p2p_client_list && i < s->num_p2p_clients; i++) {
79cd993a 1200 if (os_memcmp(s->p2p_client_list + i * 2 * ETH_ALEN, addr,
22316795
JM
1201 ETH_ALEN) != 0)
1202 continue;
1203
1204 if (i == s->num_p2p_clients - 1)
1205 return; /* already the most recent entry */
1206
1207 /* move the entry to mark it most recent */
79cd993a
ST
1208 os_memmove(s->p2p_client_list + i * 2 * ETH_ALEN,
1209 s->p2p_client_list + (i + 1) * 2 * ETH_ALEN,
1210 (s->num_p2p_clients - i - 1) * 2 * ETH_ALEN);
22316795 1211 os_memcpy(s->p2p_client_list +
79cd993a
ST
1212 (s->num_p2p_clients - 1) * 2 * ETH_ALEN, addr,
1213 ETH_ALEN);
1214 os_memset(s->p2p_client_list +
1215 (s->num_p2p_clients - 1) * 2 * ETH_ALEN + ETH_ALEN,
1216 0xff, ETH_ALEN);
22316795
JM
1217 found = 1;
1218 break;
fbdcfd57
JM
1219 }
1220
b4a5dfa9 1221 if (!found && s->num_p2p_clients < P2P_MAX_STORED_CLIENTS) {
22316795 1222 n = os_realloc_array(s->p2p_client_list,
79cd993a 1223 s->num_p2p_clients + 1, 2 * ETH_ALEN);
22316795
JM
1224 if (n == NULL)
1225 return;
79cd993a
ST
1226 os_memcpy(n + s->num_p2p_clients * 2 * ETH_ALEN, addr,
1227 ETH_ALEN);
1228 os_memset(n + s->num_p2p_clients * 2 * ETH_ALEN + ETH_ALEN,
1229 0xff, ETH_ALEN);
22316795
JM
1230 s->p2p_client_list = n;
1231 s->num_p2p_clients++;
8931a36c 1232 } else if (!found && s->p2p_client_list) {
b4a5dfa9
JM
1233 /* Not enough room for an additional entry - drop the oldest
1234 * entry */
1235 os_memmove(s->p2p_client_list,
79cd993a
ST
1236 s->p2p_client_list + 2 * ETH_ALEN,
1237 (s->num_p2p_clients - 1) * 2 * ETH_ALEN);
b4a5dfa9 1238 os_memcpy(s->p2p_client_list +
79cd993a 1239 (s->num_p2p_clients - 1) * 2 * ETH_ALEN,
b4a5dfa9 1240 addr, ETH_ALEN);
79cd993a
ST
1241 os_memset(s->p2p_client_list +
1242 (s->num_p2p_clients - 1) * 2 * ETH_ALEN + ETH_ALEN,
1243 0xff, ETH_ALEN);
22316795 1244 }
fbdcfd57 1245
1e0a0294
IP
1246 if (p2p_wpa_s->conf->update_config &&
1247 wpa_config_write(p2p_wpa_s->confname, p2p_wpa_s->conf))
fbdcfd57 1248 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
fbdcfd57
JM
1249}
1250
1251
f8723e1e
JM
1252static void wpas_p2p_group_started(struct wpa_supplicant *wpa_s,
1253 int go, struct wpa_ssid *ssid, int freq,
1254 const u8 *psk, const char *passphrase,
1255 const u8 *go_dev_addr, int persistent,
1256 const char *extra)
1257{
1258 const char *ssid_txt;
1259 char psk_txt[65];
1260
1261 if (psk)
1262 wpa_snprintf_hex(psk_txt, sizeof(psk_txt), psk, 32);
1263 else
1264 psk_txt[0] = '\0';
1265
1266 if (ssid)
1267 ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len);
1268 else
1269 ssid_txt = "";
1270
1271 if (passphrase && passphrase[0] == '\0')
1272 passphrase = NULL;
1273
52f4abfd
JM
1274 /*
1275 * Include PSK/passphrase only in the control interface message and
1276 * leave it out from the debug log entry.
1277 */
ba307f85 1278 wpa_msg_global_ctrl(wpa_s->p2pdev, MSG_INFO,
52f4abfd
JM
1279 P2P_EVENT_GROUP_STARTED
1280 "%s %s ssid=\"%s\" freq=%d%s%s%s%s%s go_dev_addr="
1281 MACSTR "%s%s",
1282 wpa_s->ifname, go ? "GO" : "client", ssid_txt, freq,
1283 psk ? " psk=" : "", psk_txt,
1284 passphrase ? " passphrase=\"" : "",
1285 passphrase ? passphrase : "",
1286 passphrase ? "\"" : "",
1287 MAC2STR(go_dev_addr),
1288 persistent ? " [PERSISTENT]" : "", extra);
1289 wpa_printf(MSG_INFO, P2P_EVENT_GROUP_STARTED
1290 "%s %s ssid=\"%s\" freq=%d go_dev_addr=" MACSTR "%s%s",
1291 wpa_s->ifname, go ? "GO" : "client", ssid_txt, freq,
1292 MAC2STR(go_dev_addr), persistent ? " [PERSISTENT]" : "",
1293 extra);
f8723e1e
JM
1294}
1295
1296
b22128ef 1297static void wpas_group_formation_completed(struct wpa_supplicant *wpa_s,
d95c5994 1298 int success, int already_deleted)
b22128ef
JM
1299{
1300 struct wpa_ssid *ssid;
b22128ef
JM
1301 int client;
1302 int persistent;
1303 u8 go_dev_addr[ETH_ALEN];
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)
4fe50bbc
NC
1378 wpas_p2p_store_persistent_group(wpa_s->p2pdev,
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 }
4fe50bbc 1384
c1c0b35f 1385 if (!client) {
4fe50bbc 1386 wpas_notify_p2p_group_started(wpa_s, ssid, persistent, 0);
151ab808 1387 os_get_reltime(&wpa_s->global->p2p_go_wait_client);
c1c0b35f 1388 }
b22128ef
JM
1389}
1390
1391
e05e1308
JM
1392struct send_action_work {
1393 unsigned int freq;
1394 u8 dst[ETH_ALEN];
1395 u8 src[ETH_ALEN];
1396 u8 bssid[ETH_ALEN];
1397 size_t len;
1398 unsigned int wait_time;
1399 u8 buf[0];
1400};
1401
1402
e699a7a9
JM
1403static void wpas_p2p_free_send_action_work(struct wpa_supplicant *wpa_s)
1404{
1405 struct send_action_work *awork = wpa_s->p2p_send_action_work->ctx;
1406
1407 wpa_printf(MSG_DEBUG,
1408 "P2P: Free Action frame radio work @%p (freq=%u dst="
1409 MACSTR " src=" MACSTR " bssid=" MACSTR " wait_time=%u)",
1410 wpa_s->p2p_send_action_work, awork->freq,
1411 MAC2STR(awork->dst), MAC2STR(awork->src),
1412 MAC2STR(awork->bssid), awork->wait_time);
1413 wpa_hexdump(MSG_DEBUG, "P2P: Freeing pending Action frame",
1414 awork->buf, awork->len);
1415 os_free(awork);
1416 wpa_s->p2p_send_action_work->ctx = NULL;
1417 radio_work_done(wpa_s->p2p_send_action_work);
1418 wpa_s->p2p_send_action_work = NULL;
1419}
1420
1421
e05e1308
JM
1422static void wpas_p2p_send_action_work_timeout(void *eloop_ctx,
1423 void *timeout_ctx)
1424{
1425 struct wpa_supplicant *wpa_s = eloop_ctx;
1426
1427 if (!wpa_s->p2p_send_action_work)
1428 return;
1429
1430 wpa_printf(MSG_DEBUG, "P2P: Send Action frame radio work timed out");
e699a7a9 1431 wpas_p2p_free_send_action_work(wpa_s);
e05e1308
JM
1432}
1433
1434
2fa980f0 1435static void wpas_p2p_action_tx_clear(struct wpa_supplicant *wpa_s)
534525ff 1436{
e05e1308
JM
1437 if (wpa_s->p2p_send_action_work) {
1438 struct send_action_work *awork;
e699a7a9 1439
e05e1308 1440 awork = wpa_s->p2p_send_action_work->ctx;
e699a7a9
JM
1441 wpa_printf(MSG_DEBUG,
1442 "P2P: Clear Action TX work @%p (wait_time=%u)",
1443 wpa_s->p2p_send_action_work, awork->wait_time);
e05e1308 1444 if (awork->wait_time == 0) {
e699a7a9 1445 wpas_p2p_free_send_action_work(wpa_s);
e05e1308
JM
1446 } else {
1447 /*
1448 * In theory, this should not be needed, but number of
1449 * places in the P2P code is still using non-zero wait
1450 * time for the last Action frame in the sequence and
1451 * some of these do not call send_action_done().
1452 */
1453 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout,
1454 wpa_s, NULL);
1455 eloop_register_timeout(
1456 0, awork->wait_time * 1000,
1457 wpas_p2p_send_action_work_timeout,
1458 wpa_s, NULL);
1459 }
1460 }
2fa980f0
JJ
1461}
1462
1463
1464static void wpas_p2p_send_action_tx_status(struct wpa_supplicant *wpa_s,
1465 unsigned int freq,
1466 const u8 *dst, const u8 *src,
1467 const u8 *bssid,
1468 const u8 *data, size_t data_len,
1469 enum offchannel_send_action_result
1470 result)
1471{
1472 enum p2p_send_action_result res = P2P_SEND_ACTION_SUCCESS;
1473
1474 wpas_p2p_action_tx_clear(wpa_s);
e05e1308 1475
9526fd29 1476 if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled)
b22128ef
JM
1477 return;
1478
24f6497c
JM
1479 switch (result) {
1480 case OFFCHANNEL_SEND_ACTION_SUCCESS:
1481 res = P2P_SEND_ACTION_SUCCESS;
1482 break;
1483 case OFFCHANNEL_SEND_ACTION_NO_ACK:
1484 res = P2P_SEND_ACTION_NO_ACK;
1485 break;
1486 case OFFCHANNEL_SEND_ACTION_FAILED:
1487 res = P2P_SEND_ACTION_FAILED;
1488 break;
b22128ef
JM
1489 }
1490
24f6497c 1491 p2p_send_action_cb(wpa_s->global->p2p, freq, dst, src, bssid, res);
b22128ef 1492
f63b8542
JM
1493 if (result != OFFCHANNEL_SEND_ACTION_SUCCESS &&
1494 wpa_s->pending_pd_before_join &&
24f6497c 1495 (os_memcmp(dst, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 ||
175171ac
JM
1496 os_memcmp(dst, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0) &&
1497 wpa_s->p2p_fallback_to_go_neg) {
b22128ef 1498 wpa_s->pending_pd_before_join = 0;
175171ac
JM
1499 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No ACK for PD Req "
1500 "during p2p_connect-auto");
ba307f85 1501 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
6b005121
JM
1502 P2P_EVENT_FALLBACK_TO_GO_NEG
1503 "reason=no-ACK-to-PD-Req");
175171ac
JM
1504 wpas_p2p_fallback_to_go_neg(wpa_s, 0);
1505 return;
b22128ef
JM
1506 }
1507}
1508
1509
e05e1308
JM
1510static void wpas_send_action_cb(struct wpa_radio_work *work, int deinit)
1511{
1512 struct wpa_supplicant *wpa_s = work->wpa_s;
1513 struct send_action_work *awork = work->ctx;
1514
1515 if (deinit) {
b3253ebb
AO
1516 if (work->started) {
1517 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout,
1518 wpa_s, NULL);
1519 wpa_s->p2p_send_action_work = NULL;
1520 offchannel_send_action_done(wpa_s);
1521 }
e05e1308
JM
1522 os_free(awork);
1523 return;
1524 }
1525
1526 if (offchannel_send_action(wpa_s, awork->freq, awork->dst, awork->src,
1527 awork->bssid, awork->buf, awork->len,
1528 awork->wait_time,
1529 wpas_p2p_send_action_tx_status, 1) < 0) {
1530 os_free(awork);
1531 radio_work_done(work);
1532 return;
1533 }
1534 wpa_s->p2p_send_action_work = work;
1535}
1536
1537
1538static int wpas_send_action_work(struct wpa_supplicant *wpa_s,
1539 unsigned int freq, const u8 *dst,
1540 const u8 *src, const u8 *bssid, const u8 *buf,
1541 size_t len, unsigned int wait_time)
1542{
1543 struct send_action_work *awork;
1544
1545 if (wpa_s->p2p_send_action_work) {
1546 wpa_printf(MSG_DEBUG, "P2P: Cannot schedule new p2p-send-action work since one is already pending");
1547 return -1;
1548 }
1549
1550 awork = os_zalloc(sizeof(*awork) + len);
1551 if (awork == NULL)
1552 return -1;
1553
1554 awork->freq = freq;
1555 os_memcpy(awork->dst, dst, ETH_ALEN);
1556 os_memcpy(awork->src, src, ETH_ALEN);
1557 os_memcpy(awork->bssid, bssid, ETH_ALEN);
1558 awork->len = len;
1559 awork->wait_time = wait_time;
1560 os_memcpy(awork->buf, buf, len);
1561
1562 if (radio_add_work(wpa_s, freq, "p2p-send-action", 0,
1563 wpas_send_action_cb, awork) < 0) {
1564 os_free(awork);
1565 return -1;
1566 }
1567
1568 return 0;
1569}
1570
1571
b22128ef
JM
1572static int wpas_send_action(void *ctx, unsigned int freq, const u8 *dst,
1573 const u8 *src, const u8 *bssid, const u8 *buf,
1574 size_t len, unsigned int wait_time)
1575{
1576 struct wpa_supplicant *wpa_s = ctx;
e05e1308
JM
1577 int listen_freq = -1, send_freq = -1;
1578
1579 if (wpa_s->p2p_listen_work)
1580 listen_freq = wpa_s->p2p_listen_work->freq;
1581 if (wpa_s->p2p_send_action_work)
1582 send_freq = wpa_s->p2p_send_action_work->freq;
1583 if (listen_freq != (int) freq && send_freq != (int) freq) {
1584 wpa_printf(MSG_DEBUG, "P2P: Schedule new radio work for Action frame TX (listen_freq=%d send_freq=%d)",
1585 listen_freq, send_freq);
1586 return wpas_send_action_work(wpa_s, freq, dst, src, bssid, buf,
1587 len, wait_time);
1588 }
1589
1590 wpa_printf(MSG_DEBUG, "P2P: Use ongoing radio work for Action frame TX");
24f6497c
JM
1591 return offchannel_send_action(wpa_s, freq, dst, src, bssid, buf, len,
1592 wait_time,
b106173a 1593 wpas_p2p_send_action_tx_status, 1);
b22128ef
JM
1594}
1595
1596
1597static void wpas_send_action_done(void *ctx)
1598{
1599 struct wpa_supplicant *wpa_s = ctx;
e05e1308
JM
1600
1601 if (wpa_s->p2p_send_action_work) {
1602 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout,
1603 wpa_s, NULL);
1604 os_free(wpa_s->p2p_send_action_work->ctx);
1605 radio_work_done(wpa_s->p2p_send_action_work);
1606 wpa_s->p2p_send_action_work = NULL;
1607 }
1608
24f6497c 1609 offchannel_send_action_done(wpa_s);
b22128ef
JM
1610}
1611
1612
1613static int wpas_copy_go_neg_results(struct wpa_supplicant *wpa_s,
1614 struct p2p_go_neg_results *params)
1615{
1616 if (wpa_s->go_params == NULL) {
1617 wpa_s->go_params = os_malloc(sizeof(*params));
1618 if (wpa_s->go_params == NULL)
1619 return -1;
1620 }
1621 os_memcpy(wpa_s->go_params, params, sizeof(*params));
1622 return 0;
1623}
1624
1625
1626static void wpas_start_wps_enrollee(struct wpa_supplicant *wpa_s,
1627 struct p2p_go_neg_results *res)
1628{
61fc9048 1629 wpa_s->group_formation_reported = 0;
23318bea 1630 wpa_printf(MSG_DEBUG, "P2P: Start WPS Enrollee for peer " MACSTR
8e9f53c3 1631 " dev_addr " MACSTR " wps_method %d",
23318bea 1632 MAC2STR(res->peer_interface_addr),
8e9f53c3 1633 MAC2STR(res->peer_device_addr), res->wps_method);
e9a7ae41
JM
1634 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Start WPS Enrollee for SSID",
1635 res->ssid, res->ssid_len);
b22128ef
JM
1636 wpa_supplicant_ap_deinit(wpa_s);
1637 wpas_copy_go_neg_results(wpa_s, res);
db6ae69e 1638 if (res->wps_method == WPS_PBC) {
3b29972c 1639 wpas_wps_start_pbc(wpa_s, res->peer_interface_addr, 1);
db6ae69e
JM
1640#ifdef CONFIG_WPS_NFC
1641 } else if (res->wps_method == WPS_NFC) {
23318bea
JM
1642 wpas_wps_start_nfc(wpa_s, res->peer_device_addr,
1643 res->peer_interface_addr,
ba307f85
LD
1644 wpa_s->p2pdev->p2p_oob_dev_pw,
1645 wpa_s->p2pdev->p2p_oob_dev_pw_id, 1,
1646 wpa_s->p2pdev->p2p_oob_dev_pw_id ==
db6ae69e 1647 DEV_PW_NFC_CONNECTION_HANDOVER ?
ba307f85 1648 wpa_s->p2pdev->p2p_peer_oob_pubkey_hash :
db6ae69e 1649 NULL,
91a65018 1650 NULL, 0, 0);
db6ae69e
JM
1651#endif /* CONFIG_WPS_NFC */
1652 } else {
3c5126a4 1653 u16 dev_pw_id = DEV_PW_DEFAULT;
4f88fc04
BG
1654 if (wpa_s->p2p_wps_method == WPS_P2PS)
1655 dev_pw_id = DEV_PW_P2PS_DEFAULT;
3c5126a4
JM
1656 if (wpa_s->p2p_wps_method == WPS_PIN_KEYPAD)
1657 dev_pw_id = DEV_PW_REGISTRAR_SPECIFIED;
b22128ef 1658 wpas_wps_start_pin(wpa_s, res->peer_interface_addr,
3c5126a4
JM
1659 wpa_s->p2p_pin, 1, dev_pw_id);
1660 }
b22128ef
JM
1661}
1662
1663
01a57fe4
JM
1664static void wpas_p2p_add_psk_list(struct wpa_supplicant *wpa_s,
1665 struct wpa_ssid *ssid)
1666{
1667 struct wpa_ssid *persistent;
1668 struct psk_list_entry *psk;
1669 struct hostapd_data *hapd;
1670
1671 if (!wpa_s->ap_iface)
1672 return;
1673
ba307f85 1674 persistent = wpas_p2p_get_persistent(wpa_s->p2pdev, NULL, ssid->ssid,
01a57fe4
JM
1675 ssid->ssid_len);
1676 if (persistent == NULL)
1677 return;
1678
1679 hapd = wpa_s->ap_iface->bss[0];
1680
1681 dl_list_for_each(psk, &persistent->psk_list, struct psk_list_entry,
1682 list) {
1683 struct hostapd_wpa_psk *hpsk;
1684
1685 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Add persistent group PSK entry for "
1686 MACSTR " psk=%d",
1687 MAC2STR(psk->addr), psk->p2p);
1688 hpsk = os_zalloc(sizeof(*hpsk));
1689 if (hpsk == NULL)
1690 break;
1691 os_memcpy(hpsk->psk, psk->psk, PMK_LEN);
1692 if (psk->p2p)
1693 os_memcpy(hpsk->p2p_dev_addr, psk->addr, ETH_ALEN);
1694 else
1695 os_memcpy(hpsk->addr, psk->addr, ETH_ALEN);
1696 hpsk->next = hapd->conf->ssid.wpa_psk;
1697 hapd->conf->ssid.wpa_psk = hpsk;
1698 }
1699}
1700
1701
20beb96f
IP
1702static void p2p_go_dump_common_freqs(struct wpa_supplicant *wpa_s)
1703{
1704 unsigned int i;
1705
1706 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Common group frequencies (len=%u):",
1707 wpa_s->p2p_group_common_freqs_num);
1708
1709 for (i = 0; i < wpa_s->p2p_group_common_freqs_num; i++)
1710 wpa_dbg(wpa_s, MSG_DEBUG, "freq[%u]: %d",
1711 i, wpa_s->p2p_group_common_freqs[i]);
1712}
1713
1714
1715static void p2p_go_save_group_common_freqs(struct wpa_supplicant *wpa_s,
1716 struct p2p_go_neg_results *params)
1717{
1718 unsigned int i, len = int_array_len(wpa_s->go_params->freq_list);
1719
1720 wpa_s->p2p_group_common_freqs_num = 0;
1721 os_free(wpa_s->p2p_group_common_freqs);
1722 wpa_s->p2p_group_common_freqs = os_calloc(len, sizeof(int));
1723 if (!wpa_s->p2p_group_common_freqs)
1724 return;
1725
1726 for (i = 0; i < len; i++) {
1727 if (!wpa_s->go_params->freq_list[i])
1728 break;
1729 wpa_s->p2p_group_common_freqs[i] =
1730 wpa_s->go_params->freq_list[i];
1731 }
1732 wpa_s->p2p_group_common_freqs_num = i;
1733}
1734
1735
895d94de
KV
1736static void p2p_config_write(struct wpa_supplicant *wpa_s)
1737{
1738#ifndef CONFIG_NO_CONFIG_WRITE
ba307f85
LD
1739 if (wpa_s->p2pdev->conf->update_config &&
1740 wpa_config_write(wpa_s->p2pdev->confname, wpa_s->p2pdev->conf))
895d94de
KV
1741 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
1742#endif /* CONFIG_NO_CONFIG_WRITE */
1743}
1744
1745
b22128ef
JM
1746static void p2p_go_configured(void *ctx, void *data)
1747{
1748 struct wpa_supplicant *wpa_s = ctx;
1749 struct p2p_go_neg_results *params = data;
1750 struct wpa_ssid *ssid;
1751
dd895e99
JM
1752 wpa_s->ap_configured_cb = NULL;
1753 wpa_s->ap_configured_cb_ctx = NULL;
1754 wpa_s->ap_configured_cb_data = NULL;
1755 if (!wpa_s->go_params) {
1756 wpa_printf(MSG_ERROR,
1757 "P2P: p2p_go_configured() called with wpa_s->go_params == NULL");
1758 return;
1759 }
1760
20beb96f
IP
1761 p2p_go_save_group_common_freqs(wpa_s, params);
1762 p2p_go_dump_common_freqs(wpa_s);
1763
b22128ef
JM
1764 ssid = wpa_s->current_ssid;
1765 if (ssid && ssid->mode == WPAS_MODE_P2P_GO) {
1766 wpa_printf(MSG_DEBUG, "P2P: Group setup without provisioning");
d1b024c9
JM
1767 if (wpa_s->global->p2p_group_formation == wpa_s)
1768 wpa_s->global->p2p_group_formation = NULL;
f8723e1e
JM
1769 wpas_p2p_group_started(wpa_s, 1, ssid, ssid->frequency,
1770 params->passphrase[0] == '\0' ?
1771 params->psk : NULL,
1772 params->passphrase,
1773 wpa_s->global->p2p_dev_addr,
1774 params->persistent_group, "");
61fc9048 1775 wpa_s->group_formation_reported = 1;
4b6baa2f 1776
ba307f85
LD
1777 if (wpa_s->p2pdev->p2ps_method_config_any) {
1778 if (is_zero_ether_addr(wpa_s->p2pdev->p2ps_join_addr)) {
b9da88d6
AO
1779 wpa_dbg(wpa_s, MSG_DEBUG,
1780 "P2PS: Setting default PIN for ANY");
1781 wpa_supplicant_ap_wps_pin(wpa_s, NULL,
1782 "12345670", NULL, 0,
1783 0);
1784 } else {
1785 wpa_dbg(wpa_s, MSG_DEBUG,
1786 "P2PS: Setting default PIN for " MACSTR,
ba307f85 1787 MAC2STR(wpa_s->p2pdev->p2ps_join_addr));
b9da88d6 1788 wpa_supplicant_ap_wps_pin(
ba307f85 1789 wpa_s, wpa_s->p2pdev->p2ps_join_addr,
b9da88d6
AO
1790 "12345670", NULL, 0, 0);
1791 }
ba307f85 1792 wpa_s->p2pdev->p2ps_method_config_any = 0;
306aaf49
KV
1793 }
1794
151ab808 1795 os_get_reltime(&wpa_s->global->p2p_go_wait_client);
01a57fe4 1796 if (params->persistent_group) {
4fe50bbc 1797 wpas_p2p_store_persistent_group(
ba307f85 1798 wpa_s->p2pdev, ssid,
d7e70476 1799 wpa_s->global->p2p_dev_addr);
01a57fe4
JM
1800 wpas_p2p_add_psk_list(wpa_s, ssid);
1801 }
4fe50bbc
NC
1802
1803 wpas_notify_p2p_group_started(wpa_s, ssid,
1804 params->persistent_group, 0);
72044390 1805 wpas_p2p_cross_connect_setup(wpa_s);
3071e181 1806 wpas_p2p_set_group_idle_timeout(wpa_s);
bbc6c729
JM
1807
1808 if (wpa_s->p2p_first_connection_timeout) {
1809 wpa_dbg(wpa_s, MSG_DEBUG,
1810 "P2P: Start group formation timeout of %d seconds until first data connection on GO",
1811 wpa_s->p2p_first_connection_timeout);
1812 wpa_s->p2p_go_group_formation_completed = 0;
1813 wpa_s->global->p2p_group_formation = wpa_s;
1814 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 1815 wpa_s->p2pdev, NULL);
bbc6c729
JM
1816 eloop_register_timeout(
1817 wpa_s->p2p_first_connection_timeout, 0,
1818 wpas_p2p_group_formation_timeout,
ba307f85 1819 wpa_s->p2pdev, NULL);
bbc6c729
JM
1820 }
1821
b22128ef
JM
1822 return;
1823 }
1824
1825 wpa_printf(MSG_DEBUG, "P2P: Setting up WPS for GO provisioning");
1826 if (wpa_supplicant_ap_mac_addr_filter(wpa_s,
1827 params->peer_interface_addr)) {
1828 wpa_printf(MSG_DEBUG, "P2P: Failed to setup MAC address "
1829 "filtering");
1830 return;
1831 }
db6ae69e 1832 if (params->wps_method == WPS_PBC) {
d601247c 1833 wpa_supplicant_ap_wps_pbc(wpa_s, params->peer_interface_addr,
c3daaf33 1834 params->peer_device_addr);
db6ae69e
JM
1835#ifdef CONFIG_WPS_NFC
1836 } else if (params->wps_method == WPS_NFC) {
ba307f85 1837 if (wpa_s->p2pdev->p2p_oob_dev_pw_id !=
db6ae69e 1838 DEV_PW_NFC_CONNECTION_HANDOVER &&
ba307f85 1839 !wpa_s->p2pdev->p2p_oob_dev_pw) {
db6ae69e
JM
1840 wpa_printf(MSG_DEBUG, "P2P: No NFC Dev Pw known");
1841 return;
1842 }
1843 wpas_ap_wps_add_nfc_pw(
ba307f85
LD
1844 wpa_s, wpa_s->p2pdev->p2p_oob_dev_pw_id,
1845 wpa_s->p2pdev->p2p_oob_dev_pw,
1846 wpa_s->p2pdev->p2p_peer_oob_pk_hash_known ?
1847 wpa_s->p2pdev->p2p_peer_oob_pubkey_hash : NULL);
db6ae69e
JM
1848#endif /* CONFIG_WPS_NFC */
1849 } else if (wpa_s->p2p_pin[0])
b22128ef 1850 wpa_supplicant_ap_wps_pin(wpa_s, params->peer_interface_addr,
c423708f 1851 wpa_s->p2p_pin, NULL, 0, 0);
b22128ef
JM
1852 os_free(wpa_s->go_params);
1853 wpa_s->go_params = NULL;
1854}
1855
1856
1857static void wpas_start_wps_go(struct wpa_supplicant *wpa_s,
1858 struct p2p_go_neg_results *params,
1859 int group_formation)
1860{
1861 struct wpa_ssid *ssid;
1862
ac06fb12
JM
1863 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Starting GO");
1864 if (wpas_copy_go_neg_results(wpa_s, params) < 0) {
1865 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not copy GO Negotiation "
1866 "results");
b22128ef 1867 return;
ac06fb12 1868 }
b22128ef
JM
1869
1870 ssid = wpa_config_add_network(wpa_s->conf);
ac06fb12
JM
1871 if (ssid == NULL) {
1872 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not add network for GO");
b22128ef 1873 return;
ac06fb12 1874 }
b22128ef 1875
a9e02d59 1876 wpa_s->show_group_started = 0;
58b40fdb 1877 wpa_s->p2p_go_group_formation_completed = 0;
61fc9048 1878 wpa_s->group_formation_reported = 0;
9f59fe8d 1879 os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
a9e02d59 1880
b22128ef
JM
1881 wpa_config_set_network_defaults(ssid);
1882 ssid->temporary = 1;
1883 ssid->p2p_group = 1;
4424aa5d 1884 ssid->p2p_persistent_group = !!params->persistent_group;
b22128ef
JM
1885 ssid->mode = group_formation ? WPAS_MODE_P2P_GROUP_FORMATION :
1886 WPAS_MODE_P2P_GO;
1887 ssid->frequency = params->freq;
7aeac985 1888 ssid->ht40 = params->ht40;
20ea1ca4 1889 ssid->vht = params->vht;
c27f4c90
AK
1890 ssid->max_oper_chwidth = params->max_oper_chwidth;
1891 ssid->vht_center_freq2 = params->vht_center_freq2;
b22128ef
JM
1892 ssid->ssid = os_zalloc(params->ssid_len + 1);
1893 if (ssid->ssid) {
1894 os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
1895 ssid->ssid_len = params->ssid_len;
1896 }
1897 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
1898 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
1899 ssid->proto = WPA_PROTO_RSN;
1900 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
d77419d2
AM
1901 ssid->group_cipher = WPA_CIPHER_CCMP;
1902 if (params->freq > 56160) {
1903 /*
1904 * Enable GCMP instead of CCMP as pairwise_cipher and
1905 * group_cipher in 60 GHz.
1906 */
1907 ssid->pairwise_cipher = WPA_CIPHER_GCMP;
1908 ssid->group_cipher = WPA_CIPHER_GCMP;
b9074912
LD
1909 /* P2P GO in 60 GHz is always a PCP (PBSS) */
1910 ssid->pbss = 1;
d77419d2 1911 }
bb4d4deb
MH
1912 if (os_strlen(params->passphrase) > 0) {
1913 ssid->passphrase = os_strdup(params->passphrase);
1914 if (ssid->passphrase == NULL) {
92c4465b
JM
1915 wpa_msg_global(wpa_s, MSG_ERROR,
1916 "P2P: Failed to copy passphrase for GO");
bb4d4deb
MH
1917 wpa_config_remove_network(wpa_s->conf, ssid->id);
1918 return;
1919 }
1920 } else
1921 ssid->passphrase = NULL;
30c371e8
MH
1922 ssid->psk_set = params->psk_set;
1923 if (ssid->psk_set)
1924 os_memcpy(ssid->psk, params->psk, sizeof(ssid->psk));
6350a148 1925 else if (ssid->passphrase)
30c371e8 1926 wpa_config_update_psk(ssid);
ba307f85 1927 ssid->ap_max_inactivity = wpa_s->p2pdev->conf->p2p_go_max_inactivity;
b22128ef
JM
1928
1929 wpa_s->ap_configured_cb = p2p_go_configured;
1930 wpa_s->ap_configured_cb_ctx = wpa_s;
1931 wpa_s->ap_configured_cb_data = wpa_s->go_params;
3e66f789 1932 wpa_s->scan_req = NORMAL_SCAN_REQ;
7dcdcfd6 1933 wpa_s->connect_without_scan = ssid;
b22128ef
JM
1934 wpa_s->reassociate = 1;
1935 wpa_s->disconnected = 0;
ac06fb12
JM
1936 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Request scan (that will be skipped) to "
1937 "start GO)");
b22128ef
JM
1938 wpa_supplicant_req_scan(wpa_s, 0, 0);
1939}
1940
1941
1942static void wpas_p2p_clone_config(struct wpa_supplicant *dst,
1943 const struct wpa_supplicant *src)
1944{
1945 struct wpa_config *d;
1946 const struct wpa_config *s;
1947
1948 d = dst->conf;
1949 s = src->conf;
1950
9b377be0
AO
1951#define C(n) \
1952do { \
1953 if (s->n && !d->n) \
1954 d->n = os_strdup(s->n); \
1955} while (0)
1956
b22128ef
JM
1957 C(device_name);
1958 C(manufacturer);
1959 C(model_name);
1960 C(model_number);
1961 C(serial_number);
b22128ef
JM
1962 C(config_methods);
1963#undef C
3071e181 1964
2f646b6e
JB
1965 os_memcpy(d->device_type, s->device_type, WPS_DEV_TYPE_LEN);
1966 os_memcpy(d->sec_device_type, s->sec_device_type,
1967 sizeof(d->sec_device_type));
1968 d->num_sec_device_types = s->num_sec_device_types;
1969
3071e181 1970 d->p2p_group_idle = s->p2p_group_idle;
1a471ff0 1971 d->p2p_go_freq_change_policy = s->p2p_go_freq_change_policy;
b029bd33 1972 d->p2p_intra_bss = s->p2p_intra_bss;
acc247b2 1973 d->persistent_reconnect = s->persistent_reconnect;
f571b593 1974 d->max_num_sta = s->max_num_sta;
1298c145 1975 d->pbc_in_m1 = s->pbc_in_m1;
4342326f 1976 d->ignore_old_scan_res = s->ignore_old_scan_res;
41b1a76a 1977 d->beacon_int = s->beacon_int;
f62a3c2f 1978 d->dtim_period = s->dtim_period;
0b8bcaa5 1979 d->p2p_go_ctwindow = s->p2p_go_ctwindow;
5046eb4e 1980 d->disassoc_low_ack = s->disassoc_low_ack;
f22f274b 1981 d->disable_scan_offload = s->disable_scan_offload;
c35e35ed 1982 d->passive_scan = s->passive_scan;
86e32081 1983
96a26ab7 1984 if (s->wps_nfc_dh_privkey && s->wps_nfc_dh_pubkey &&
9b377be0
AO
1985 !d->wps_nfc_pw_from_config) {
1986 wpabuf_free(d->wps_nfc_dh_privkey);
1987 wpabuf_free(d->wps_nfc_dh_pubkey);
96a26ab7
LD
1988 d->wps_nfc_dh_privkey = wpabuf_dup(s->wps_nfc_dh_privkey);
1989 d->wps_nfc_dh_pubkey = wpabuf_dup(s->wps_nfc_dh_pubkey);
1990 }
9b377be0 1991 d->p2p_cli_probe = s->p2p_cli_probe;
96a26ab7
LD
1992}
1993
1994
2e5ba4b6
AS
1995static void wpas_p2p_get_group_ifname(struct wpa_supplicant *wpa_s,
1996 char *ifname, size_t len)
1997{
1998 char *ifname_ptr = wpa_s->ifname;
1999
2000 if (os_strncmp(wpa_s->ifname, P2P_MGMT_DEVICE_PREFIX,
2001 os_strlen(P2P_MGMT_DEVICE_PREFIX)) == 0) {
2002 ifname_ptr = os_strrchr(wpa_s->ifname, '-') + 1;
2003 }
2004
2005 os_snprintf(ifname, len, "p2p-%s-%d", ifname_ptr, wpa_s->p2p_group_idx);
2006 if (os_strlen(ifname) >= IFNAMSIZ &&
2007 os_strlen(wpa_s->ifname) < IFNAMSIZ) {
1d399771
JM
2008 int res;
2009
2e5ba4b6 2010 /* Try to avoid going over the IFNAMSIZ length limit */
1d399771
JM
2011 res = os_snprintf(ifname, len, "p2p-%d", wpa_s->p2p_group_idx);
2012 if (os_snprintf_error(len, res) && len)
2013 ifname[len - 1] = '\0';
2e5ba4b6
AS
2014 }
2015}
2016
2017
b22128ef
JM
2018static int wpas_p2p_add_group_interface(struct wpa_supplicant *wpa_s,
2019 enum wpa_driver_if_type type)
2020{
2021 char ifname[120], force_ifname[120];
2022
2023 if (wpa_s->pending_interface_name[0]) {
2024 wpa_printf(MSG_DEBUG, "P2P: Pending virtual interface exists "
2025 "- skip creation of a new one");
2026 if (is_zero_ether_addr(wpa_s->pending_interface_addr)) {
2027 wpa_printf(MSG_DEBUG, "P2P: Pending virtual address "
2028 "unknown?! ifname='%s'",
2029 wpa_s->pending_interface_name);
2030 return -1;
2031 }
2032 return 0;
2033 }
2034
2e5ba4b6 2035 wpas_p2p_get_group_ifname(wpa_s, ifname, sizeof(ifname));
b22128ef
JM
2036 force_ifname[0] = '\0';
2037
2038 wpa_printf(MSG_DEBUG, "P2P: Create a new interface %s for the group",
2039 ifname);
2040 wpa_s->p2p_group_idx++;
2041
2042 wpa_s->pending_interface_type = type;
2043 if (wpa_drv_if_add(wpa_s, type, ifname, NULL, NULL, force_ifname,
e17a2477 2044 wpa_s->pending_interface_addr, NULL) < 0) {
b22128ef
JM
2045 wpa_printf(MSG_ERROR, "P2P: Failed to create new group "
2046 "interface");
2047 return -1;
2048 }
2049
2050 if (force_ifname[0]) {
2051 wpa_printf(MSG_DEBUG, "P2P: Driver forced interface name %s",
2052 force_ifname);
2053 os_strlcpy(wpa_s->pending_interface_name, force_ifname,
2054 sizeof(wpa_s->pending_interface_name));
2055 } else
2056 os_strlcpy(wpa_s->pending_interface_name, ifname,
2057 sizeof(wpa_s->pending_interface_name));
2058 wpa_printf(MSG_DEBUG, "P2P: Created pending virtual interface %s addr "
2059 MACSTR, wpa_s->pending_interface_name,
2060 MAC2STR(wpa_s->pending_interface_addr));
2061
2062 return 0;
2063}
2064
2065
2066static void wpas_p2p_remove_pending_group_interface(
2067 struct wpa_supplicant *wpa_s)
2068{
2069 if (!wpa_s->pending_interface_name[0] ||
2070 is_zero_ether_addr(wpa_s->pending_interface_addr))
2071 return; /* No pending virtual interface */
2072
2073 wpa_printf(MSG_DEBUG, "P2P: Removing pending group interface %s",
2074 wpa_s->pending_interface_name);
2075 wpa_drv_if_remove(wpa_s, wpa_s->pending_interface_type,
2076 wpa_s->pending_interface_name);
2077 os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
2078 wpa_s->pending_interface_name[0] = '\0';
93eca615 2079 wpa_s->global->pending_group_iface_for_p2ps = 0;
b22128ef
JM
2080}
2081
2082
2083static struct wpa_supplicant *
2084wpas_p2p_init_group_interface(struct wpa_supplicant *wpa_s, int go)
2085{
2086 struct wpa_interface iface;
2087 struct wpa_supplicant *group_wpa_s;
2088
2089 if (!wpa_s->pending_interface_name[0]) {
2090 wpa_printf(MSG_ERROR, "P2P: No pending group interface");
d75e8806
JM
2091 if (!wpas_p2p_create_iface(wpa_s))
2092 return NULL;
2093 /*
2094 * Something has forced us to remove the pending interface; try
2095 * to create a new one and hope for the best that we will get
2096 * the same local address.
2097 */
2098 if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO :
2099 WPA_IF_P2P_CLIENT) < 0)
2100 return NULL;
b22128ef
JM
2101 }
2102
2103 os_memset(&iface, 0, sizeof(iface));
2104 iface.ifname = wpa_s->pending_interface_name;
2105 iface.driver = wpa_s->driver->name;
78f79fe5
JM
2106 if (wpa_s->conf->ctrl_interface == NULL &&
2107 wpa_s->parent != wpa_s &&
2108 wpa_s->p2p_mgmt &&
2109 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE))
2110 iface.ctrl_interface = wpa_s->parent->conf->ctrl_interface;
2111 else
2112 iface.ctrl_interface = wpa_s->conf->ctrl_interface;
b22128ef 2113 iface.driver_param = wpa_s->conf->driver_param;
1772d348 2114 group_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface, wpa_s);
b22128ef
JM
2115 if (group_wpa_s == NULL) {
2116 wpa_printf(MSG_ERROR, "P2P: Failed to create new "
2117 "wpa_supplicant interface");
2118 return NULL;
2119 }
2120 wpa_s->pending_interface_name[0] = '\0';
b22128ef
JM
2121 group_wpa_s->p2p_group_interface = go ? P2P_GROUP_INTERFACE_GO :
2122 P2P_GROUP_INTERFACE_CLIENT;
2123 wpa_s->global->p2p_group_formation = group_wpa_s;
93eca615 2124 wpa_s->global->pending_group_iface_for_p2ps = 0;
b22128ef
JM
2125
2126 wpas_p2p_clone_config(group_wpa_s, wpa_s);
2127
2128 return group_wpa_s;
2129}
2130
2131
2132static void wpas_p2p_group_formation_timeout(void *eloop_ctx,
2133 void *timeout_ctx)
2134{
2135 struct wpa_supplicant *wpa_s = eloop_ctx;
2136 wpa_printf(MSG_DEBUG, "P2P: Group Formation timed out");
d95c5994 2137 wpas_p2p_group_formation_failed(wpa_s, 0);
1075b295
JM
2138}
2139
2140
d95c5994
JM
2141static void wpas_p2p_group_formation_failed(struct wpa_supplicant *wpa_s,
2142 int already_deleted)
1075b295
JM
2143{
2144 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 2145 wpa_s->p2pdev, NULL);
b22128ef
JM
2146 if (wpa_s->global->p2p)
2147 p2p_group_formation_failed(wpa_s->global->p2p);
d95c5994 2148 wpas_group_formation_completed(wpa_s, 0, already_deleted);
b22128ef
JM
2149}
2150
2151
95fb2db2
JM
2152static void wpas_p2p_grpform_fail_after_wps(struct wpa_supplicant *wpa_s)
2153{
2154 wpa_printf(MSG_DEBUG, "P2P: Reject group formation due to WPS provisioning failure");
2155 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 2156 wpa_s->p2pdev, NULL);
95fb2db2 2157 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout,
ba307f85 2158 wpa_s->p2pdev, NULL);
95fb2db2
JM
2159 wpa_s->global->p2p_fail_on_wps_complete = 0;
2160}
2161
2162
b2b688d1
VKE
2163void wpas_p2p_ap_setup_failed(struct wpa_supplicant *wpa_s)
2164{
2165 if (wpa_s->global->p2p_group_formation != wpa_s)
2166 return;
2167 /* Speed up group formation timeout since this cannot succeed */
2168 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 2169 wpa_s->p2pdev, NULL);
b2b688d1 2170 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout,
ba307f85 2171 wpa_s->p2pdev, NULL);
b2b688d1
VKE
2172}
2173
2174
152cff6b 2175static void wpas_go_neg_completed(void *ctx, struct p2p_go_neg_results *res)
b22128ef
JM
2176{
2177 struct wpa_supplicant *wpa_s = ctx;
96a26ab7 2178 struct wpa_supplicant *group_wpa_s;
b22128ef 2179
8eada5ca 2180 if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
b22128ef
JM
2181 wpa_drv_cancel_remain_on_channel(wpa_s);
2182 wpa_s->off_channel_freq = 0;
07a30a66 2183 wpa_s->roc_waiting_drv_freq = 0;
b22128ef
JM
2184 }
2185
2186 if (res->status) {
92c4465b
JM
2187 wpa_msg_global(wpa_s, MSG_INFO,
2188 P2P_EVENT_GO_NEG_FAILURE "status=%d",
2189 res->status);
e5a359cf 2190 wpas_notify_p2p_go_neg_completed(wpa_s, res);
b22128ef
JM
2191 wpas_p2p_remove_pending_group_interface(wpa_s);
2192 return;
2193 }
2194
7c813acf
AK
2195 if (!res->role_go) {
2196 /* Inform driver of the operating channel of GO. */
2197 wpa_drv_set_prob_oper_freq(wpa_s, res->freq);
2198 }
2199
e2308e4b
RM
2200 if (wpa_s->p2p_go_ht40)
2201 res->ht40 = 1;
20ea1ca4
EP
2202 if (wpa_s->p2p_go_vht)
2203 res->vht = 1;
c27f4c90
AK
2204 res->max_oper_chwidth = wpa_s->p2p_go_max_oper_chwidth;
2205 res->vht_center_freq2 = wpa_s->p2p_go_vht_center_freq2;
e2308e4b 2206
8d660e04
JM
2207 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_SUCCESS "role=%s "
2208 "freq=%d ht40=%d peer_dev=" MACSTR " peer_iface=" MACSTR
2209 " wps_method=%s",
2210 res->role_go ? "GO" : "client", res->freq, res->ht40,
2211 MAC2STR(res->peer_device_addr),
2212 MAC2STR(res->peer_interface_addr),
2213 p2p_wps_method_text(res->wps_method));
e5a359cf 2214 wpas_notify_p2p_go_neg_completed(wpa_s, res);
b22128ef 2215
23c84252
JM
2216 if (res->role_go && wpa_s->p2p_persistent_id >= 0) {
2217 struct wpa_ssid *ssid;
2218 ssid = wpa_config_get_network(wpa_s->conf,
2219 wpa_s->p2p_persistent_id);
2220 if (ssid && ssid->disabled == 2 &&
2221 ssid->mode == WPAS_MODE_P2P_GO && ssid->passphrase) {
2222 size_t len = os_strlen(ssid->passphrase);
2223 wpa_printf(MSG_DEBUG, "P2P: Override passphrase based "
2224 "on requested persistent group");
2225 os_memcpy(res->passphrase, ssid->passphrase, len);
2226 res->passphrase[len] = '\0';
2227 }
2228 }
2229
b22128ef 2230 if (wpa_s->create_p2p_iface) {
96a26ab7 2231 group_wpa_s =
b22128ef
JM
2232 wpas_p2p_init_group_interface(wpa_s, res->role_go);
2233 if (group_wpa_s == NULL) {
2234 wpas_p2p_remove_pending_group_interface(wpa_s);
5eae87a7
EA
2235 eloop_cancel_timeout(wpas_p2p_long_listen_timeout,
2236 wpa_s, NULL);
d95c5994 2237 wpas_p2p_group_formation_failed(wpa_s, 1);
b22128ef
JM
2238 return;
2239 }
b22128ef
JM
2240 os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
2241 wpa_s->pending_interface_name[0] = '\0';
b22128ef 2242 } else {
96a26ab7
LD
2243 group_wpa_s = wpa_s->parent;
2244 wpa_s->global->p2p_group_formation = group_wpa_s;
2245 if (group_wpa_s != wpa_s)
9b377be0 2246 wpas_p2p_clone_config(group_wpa_s, wpa_s);
96a26ab7 2247 }
b22128ef 2248
96a26ab7
LD
2249 group_wpa_s->p2p_in_provisioning = 1;
2250 group_wpa_s->p2pdev = wpa_s;
2251 if (group_wpa_s != wpa_s) {
2252 os_memcpy(group_wpa_s->p2p_pin, wpa_s->p2p_pin,
2253 sizeof(group_wpa_s->p2p_pin));
2254 group_wpa_s->p2p_wps_method = wpa_s->p2p_wps_method;
2255 }
2256 if (res->role_go) {
2257 wpas_start_wps_go(group_wpa_s, res, 1);
2258 } else {
2259 os_get_reltime(&group_wpa_s->scan_min_time);
2260 wpas_start_wps_enrollee(group_wpa_s, res);
b22128ef
JM
2261 }
2262
2263 wpa_s->p2p_long_listen = 0;
2264 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
2265
2266 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
ae3e3421
JM
2267 eloop_register_timeout(15 + res->peer_config_timeout / 100,
2268 (res->peer_config_timeout % 100) * 10000,
2269 wpas_p2p_group_formation_timeout, wpa_s, NULL);
b22128ef
JM
2270}
2271
2272
aa2b1256
MH
2273static void wpas_go_neg_req_rx(void *ctx, const u8 *src, u16 dev_passwd_id,
2274 u8 go_intent)
b22128ef
JM
2275{
2276 struct wpa_supplicant *wpa_s = ctx;
92c4465b 2277 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_REQUEST MACSTR
aa2b1256
MH
2278 " dev_passwd_id=%u go_intent=%u", MAC2STR(src),
2279 dev_passwd_id, go_intent);
32d1bce0 2280
aa2b1256 2281 wpas_notify_p2p_go_neg_req(wpa_s, src, dev_passwd_id, go_intent);
b22128ef
JM
2282}
2283
2284
152cff6b
JM
2285static void wpas_dev_found(void *ctx, const u8 *addr,
2286 const struct p2p_peer_info *info,
2287 int new_device)
b22128ef 2288{
5506d184 2289#ifndef CONFIG_NO_STDOUT_DEBUG
b22128ef
JM
2290 struct wpa_supplicant *wpa_s = ctx;
2291 char devtype[WPS_DEV_TYPE_BUFSIZE];
b125c48f
DS
2292 char *wfd_dev_info_hex = NULL;
2293
2294#ifdef CONFIG_WIFI_DISPLAY
2295 wfd_dev_info_hex = wifi_display_subelem_hex(info->wfd_subelems,
2296 WFD_SUBELEM_DEVICE_INFO);
2297#endif /* CONFIG_WIFI_DISPLAY */
c5db8e51 2298
095b3c40
BG
2299 if (info->p2ps_instance) {
2300 char str[256];
2301 const u8 *buf = wpabuf_head(info->p2ps_instance);
2302 size_t len = wpabuf_len(info->p2ps_instance);
2303
2304 while (len) {
2305 u32 id;
2306 u16 methods;
2307 u8 str_len;
2308
2309 if (len < 4 + 2 + 1)
2310 break;
2311 id = WPA_GET_LE32(buf);
2312 buf += sizeof(u32);
2313 methods = WPA_GET_BE16(buf);
2314 buf += sizeof(u16);
2315 str_len = *buf++;
2316 if (str_len > len - 4 - 2 - 1)
2317 break;
2318 os_memcpy(str, buf, str_len);
2319 str[str_len] = '\0';
2320 buf += str_len;
2321 len -= str_len + sizeof(u32) + sizeof(u16) + sizeof(u8);
2322
2323 wpa_msg_global(wpa_s, MSG_INFO,
2324 P2P_EVENT_DEVICE_FOUND MACSTR
2325 " p2p_dev_addr=" MACSTR
2326 " pri_dev_type=%s name='%s'"
2327 " config_methods=0x%x"
2328 " dev_capab=0x%x"
2329 " group_capab=0x%x"
2330 " adv_id=%x asp_svc=%s%s",
2331 MAC2STR(addr),
2332 MAC2STR(info->p2p_device_addr),
2333 wps_dev_type_bin2str(
2334 info->pri_dev_type,
2335 devtype, sizeof(devtype)),
2336 info->device_name, methods,
2337 info->dev_capab, info->group_capab,
2338 id, str,
2339 info->vendor_elems ?
2340 " vendor_elems=1" : "");
2341 }
2342 goto done;
2343 }
2344
92c4465b
JM
2345 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_FOUND MACSTR
2346 " p2p_dev_addr=" MACSTR
2347 " pri_dev_type=%s name='%s' config_methods=0x%x "
34d45ea0 2348 "dev_capab=0x%x group_capab=0x%x%s%s%s new=%d",
92c4465b
JM
2349 MAC2STR(addr), MAC2STR(info->p2p_device_addr),
2350 wps_dev_type_bin2str(info->pri_dev_type, devtype,
2351 sizeof(devtype)),
b125c48f
DS
2352 info->device_name, info->config_methods,
2353 info->dev_capab, info->group_capab,
2354 wfd_dev_info_hex ? " wfd_dev_info=0x" : "",
71a0e395 2355 wfd_dev_info_hex ? wfd_dev_info_hex : "",
34d45ea0
JM
2356 info->vendor_elems ? " vendor_elems=1" : "",
2357 new_device);
d642d2d2 2358
095b3c40 2359done:
b125c48f 2360 os_free(wfd_dev_info_hex);
1b56d398 2361#endif /* CONFIG_NO_STDOUT_DEBUG */
b125c48f 2362
d642d2d2 2363 wpas_notify_p2p_device_found(ctx, info->p2p_device_addr, new_device);
b22128ef
JM
2364}
2365
2366
56eeb8f2
JB
2367static void wpas_dev_lost(void *ctx, const u8 *dev_addr)
2368{
2369 struct wpa_supplicant *wpa_s = ctx;
2370
92c4465b
JM
2371 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_LOST
2372 "p2p_dev_addr=" MACSTR, MAC2STR(dev_addr));
3074d8f1 2373
56eeb8f2
JB
2374 wpas_notify_p2p_device_lost(wpa_s, dev_addr);
2375}
2376
2377
710ae9ac
JM
2378static void wpas_find_stopped(void *ctx)
2379{
2380 struct wpa_supplicant *wpa_s = ctx;
a8057310
BR
2381
2382 if (wpa_s->p2p_scan_work && wpas_abort_ongoing_scan(wpa_s) < 0)
2383 wpa_printf(MSG_DEBUG, "P2P: Abort ongoing scan failed");
2384
92c4465b 2385 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_FIND_STOPPED);
7b642dc8 2386 wpas_notify_p2p_find_stopped(wpa_s);
710ae9ac
JM
2387}
2388
2389
e1d1c8e2
JM
2390struct wpas_p2p_listen_work {
2391 unsigned int freq;
2392 unsigned int duration;
2393 struct wpabuf *probe_resp_ie;
2394};
2395
2396
2397static void wpas_p2p_listen_work_free(struct wpas_p2p_listen_work *lwork)
b22128ef 2398{
e1d1c8e2
JM
2399 if (lwork == NULL)
2400 return;
2401 wpabuf_free(lwork->probe_resp_ie);
2402 os_free(lwork);
2403}
2404
2405
2406static void wpas_p2p_listen_work_done(struct wpa_supplicant *wpa_s)
2407{
2408 struct wpas_p2p_listen_work *lwork;
2409
2410 if (!wpa_s->p2p_listen_work)
2411 return;
2412
2413 lwork = wpa_s->p2p_listen_work->ctx;
2414 wpas_p2p_listen_work_free(lwork);
2415 radio_work_done(wpa_s->p2p_listen_work);
2416 wpa_s->p2p_listen_work = NULL;
2417}
2418
2419
2420static void wpas_start_listen_cb(struct wpa_radio_work *work, int deinit)
2421{
2422 struct wpa_supplicant *wpa_s = work->wpa_s;
2423 struct wpas_p2p_listen_work *lwork = work->ctx;
1f94e4ee 2424 unsigned int duration;
e1d1c8e2
JM
2425
2426 if (deinit) {
b3253ebb
AO
2427 if (work->started) {
2428 wpa_s->p2p_listen_work = NULL;
2429 wpas_stop_listen(wpa_s);
2430 }
e1d1c8e2
JM
2431 wpas_p2p_listen_work_free(lwork);
2432 return;
2433 }
b22128ef 2434
e1d1c8e2
JM
2435 wpa_s->p2p_listen_work = work;
2436
2437 wpa_drv_set_ap_wps_ie(wpa_s, NULL, lwork->probe_resp_ie, NULL);
b22128ef
JM
2438
2439 if (wpa_drv_probe_req_report(wpa_s, 1) < 0) {
2440 wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver to "
2441 "report received Probe Request frames");
e1d1c8e2
JM
2442 wpas_p2p_listen_work_done(wpa_s);
2443 return;
b22128ef
JM
2444 }
2445
e1d1c8e2
JM
2446 wpa_s->pending_listen_freq = lwork->freq;
2447 wpa_s->pending_listen_duration = lwork->duration;
b22128ef 2448
1f94e4ee
JM
2449 duration = lwork->duration;
2450#ifdef CONFIG_TESTING_OPTIONS
2451 if (wpa_s->extra_roc_dur) {
2452 wpa_printf(MSG_DEBUG, "TESTING: Increase ROC duration %u -> %u",
2453 duration, duration + wpa_s->extra_roc_dur);
2454 duration += wpa_s->extra_roc_dur;
2455 }
2456#endif /* CONFIG_TESTING_OPTIONS */
2457
2458 if (wpa_drv_remain_on_channel(wpa_s, lwork->freq, duration) < 0) {
b22128ef
JM
2459 wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver "
2460 "to remain on channel (%u MHz) for Listen "
e1d1c8e2
JM
2461 "state", lwork->freq);
2462 wpas_p2p_listen_work_done(wpa_s);
b22128ef 2463 wpa_s->pending_listen_freq = 0;
e1d1c8e2 2464 return;
b22128ef 2465 }
09d660b9 2466 wpa_s->off_channel_freq = 0;
e1d1c8e2
JM
2467 wpa_s->roc_waiting_drv_freq = lwork->freq;
2468}
2469
2470
2471static int wpas_start_listen(void *ctx, unsigned int freq,
2472 unsigned int duration,
2473 const struct wpabuf *probe_resp_ie)
2474{
2475 struct wpa_supplicant *wpa_s = ctx;
2476 struct wpas_p2p_listen_work *lwork;
2477
2478 if (wpa_s->p2p_listen_work) {
2479 wpa_printf(MSG_DEBUG, "P2P: Reject start_listen since p2p_listen_work already exists");
2480 return -1;
2481 }
2482
2483 lwork = os_zalloc(sizeof(*lwork));
2484 if (lwork == NULL)
2485 return -1;
2486 lwork->freq = freq;
2487 lwork->duration = duration;
2488 if (probe_resp_ie) {
2489 lwork->probe_resp_ie = wpabuf_dup(probe_resp_ie);
2490 if (lwork->probe_resp_ie == NULL) {
2491 wpas_p2p_listen_work_free(lwork);
2492 return -1;
2493 }
2494 }
2495
2496 if (radio_add_work(wpa_s, freq, "p2p-listen", 0, wpas_start_listen_cb,
2497 lwork) < 0) {
2498 wpas_p2p_listen_work_free(lwork);
2499 return -1;
2500 }
b22128ef
JM
2501
2502 return 0;
2503}
2504
2505
2506static void wpas_stop_listen(void *ctx)
2507{
2508 struct wpa_supplicant *wpa_s = ctx;
6cb22d2f 2509 if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
b22128ef
JM
2510 wpa_drv_cancel_remain_on_channel(wpa_s);
2511 wpa_s->off_channel_freq = 0;
07a30a66 2512 wpa_s->roc_waiting_drv_freq = 0;
b22128ef 2513 }
839b33ad 2514 wpa_drv_set_ap_wps_ie(wpa_s, NULL, NULL, NULL);
07c1e987
MS
2515
2516 /*
2517 * Don't cancel Probe Request RX reporting for a connected P2P Client
2518 * handling Probe Request frames.
2519 */
2520 if (!wpa_s->p2p_cli_probe)
2521 wpa_drv_probe_req_report(wpa_s, 0);
2522
e1d1c8e2 2523 wpas_p2p_listen_work_done(wpa_s);
b22128ef
JM
2524}
2525
2526
0799b3f8
AO
2527static int wpas_send_probe_resp(void *ctx, const struct wpabuf *buf,
2528 unsigned int freq)
b22128ef
JM
2529{
2530 struct wpa_supplicant *wpa_s = ctx;
0799b3f8
AO
2531 return wpa_drv_send_mlme(wpa_s, wpabuf_head(buf), wpabuf_len(buf), 1,
2532 freq);
b22128ef
JM
2533}
2534
2535
b22128ef 2536static void wpas_prov_disc_local_display(struct wpa_supplicant *wpa_s,
bbeee9b0
JB
2537 const u8 *peer, const char *params,
2538 unsigned int generated_pin)
b22128ef 2539{
92c4465b
JM
2540 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR
2541 " %08d%s", MAC2STR(peer), generated_pin, params);
b22128ef
JM
2542}
2543
2544
2545static void wpas_prov_disc_local_keypad(struct wpa_supplicant *wpa_s,
2546 const u8 *peer, const char *params)
2547{
92c4465b
JM
2548 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR
2549 "%s", MAC2STR(peer), params);
b22128ef
JM
2550}
2551
2552
152cff6b
JM
2553static void wpas_prov_disc_req(void *ctx, const u8 *peer, u16 config_methods,
2554 const u8 *dev_addr, const u8 *pri_dev_type,
2555 const char *dev_name, u16 supp_config_methods,
2556 u8 dev_capab, u8 group_capab, const u8 *group_id,
2557 size_t group_id_len)
b22128ef
JM
2558{
2559 struct wpa_supplicant *wpa_s = ctx;
2560 char devtype[WPS_DEV_TYPE_BUFSIZE];
c3f42784 2561 char params[300];
b22128ef 2562 u8 empty_dev_type[8];
bbeee9b0 2563 unsigned int generated_pin = 0;
c3f42784 2564 struct wpa_supplicant *group = NULL;
1d399771 2565 int res;
c3f42784
JM
2566
2567 if (group_id) {
2568 for (group = wpa_s->global->ifaces; group; group = group->next)
2569 {
2570 struct wpa_ssid *s = group->current_ssid;
2571 if (s != NULL &&
2572 s->mode == WPAS_MODE_P2P_GO &&
2573 group_id_len - ETH_ALEN == s->ssid_len &&
2574 os_memcmp(group_id + ETH_ALEN, s->ssid,
2575 s->ssid_len) == 0)
2576 break;
2577 }
2578 }
b22128ef
JM
2579
2580 if (pri_dev_type == NULL) {
2581 os_memset(empty_dev_type, 0, sizeof(empty_dev_type));
2582 pri_dev_type = empty_dev_type;
2583 }
1d399771
JM
2584 res = os_snprintf(params, sizeof(params), " p2p_dev_addr=" MACSTR
2585 " pri_dev_type=%s name='%s' config_methods=0x%x "
2586 "dev_capab=0x%x group_capab=0x%x%s%s",
2587 MAC2STR(dev_addr),
2588 wps_dev_type_bin2str(pri_dev_type, devtype,
2589 sizeof(devtype)),
2590 dev_name, supp_config_methods, dev_capab, group_capab,
2591 group ? " group=" : "",
2592 group ? group->ifname : "");
2593 if (os_snprintf_error(sizeof(params), res))
2594 wpa_printf(MSG_DEBUG, "P2P: PD Request event truncated");
b22128ef
JM
2595 params[sizeof(params) - 1] = '\0';
2596
bbeee9b0 2597 if (config_methods & WPS_CONFIG_DISPLAY) {
98a516ea
NL
2598 if (wps_generate_pin(&generated_pin) < 0) {
2599 wpa_printf(MSG_DEBUG, "P2P: Could not generate PIN");
2600 wpas_notify_p2p_provision_discovery(
2601 wpa_s, peer, 0 /* response */,
2602 P2P_PROV_DISC_INFO_UNAVAILABLE, 0, 0);
2603 return;
2604 }
bbeee9b0
JB
2605 wpas_prov_disc_local_display(wpa_s, peer, params,
2606 generated_pin);
2607 } else if (config_methods & WPS_CONFIG_KEYPAD)
b22128ef
JM
2608 wpas_prov_disc_local_keypad(wpa_s, peer, params);
2609 else if (config_methods & WPS_CONFIG_PUSHBUTTON)
92c4465b
JM
2610 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_REQ
2611 MACSTR "%s", MAC2STR(peer), params);
dd8a7e05
JB
2612
2613 wpas_notify_p2p_provision_discovery(wpa_s, peer, 1 /* request */,
2614 P2P_PROV_DISC_SUCCESS,
2615 config_methods, generated_pin);
b22128ef
JM
2616}
2617
2618
152cff6b 2619static void wpas_prov_disc_resp(void *ctx, const u8 *peer, u16 config_methods)
b22128ef
JM
2620{
2621 struct wpa_supplicant *wpa_s = ctx;
bbeee9b0 2622 unsigned int generated_pin = 0;
0918c4bf 2623 char params[20];
bbeee9b0 2624
c1931635
JM
2625 if (wpa_s->pending_pd_before_join &&
2626 (os_memcmp(peer, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 ||
2627 os_memcmp(peer, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
2628 wpa_s->pending_pd_before_join = 0;
2629 wpa_printf(MSG_DEBUG, "P2P: Starting pending "
2630 "join-existing-group operation");
23318bea 2631 wpas_p2p_join_start(wpa_s, 0, NULL, 0);
c1931635
JM
2632 return;
2633 }
2634
0918c4bf 2635 if (wpa_s->pending_pd_use == AUTO_PD_JOIN ||
1d399771
JM
2636 wpa_s->pending_pd_use == AUTO_PD_GO_NEG) {
2637 int res;
2638
2639 res = os_snprintf(params, sizeof(params), " peer_go=%d",
2640 wpa_s->pending_pd_use == AUTO_PD_JOIN);
2641 if (os_snprintf_error(sizeof(params), res))
2642 params[sizeof(params) - 1] = '\0';
2643 } else
0918c4bf
JM
2644 params[0] = '\0';
2645
b22128ef 2646 if (config_methods & WPS_CONFIG_DISPLAY)
0918c4bf 2647 wpas_prov_disc_local_keypad(wpa_s, peer, params);
bbeee9b0 2648 else if (config_methods & WPS_CONFIG_KEYPAD) {
98a516ea
NL
2649 if (wps_generate_pin(&generated_pin) < 0) {
2650 wpa_printf(MSG_DEBUG, "P2P: Could not generate PIN");
2651 wpas_notify_p2p_provision_discovery(
2652 wpa_s, peer, 0 /* response */,
2653 P2P_PROV_DISC_INFO_UNAVAILABLE, 0, 0);
2654 return;
2655 }
0918c4bf
JM
2656 wpas_prov_disc_local_display(wpa_s, peer, params,
2657 generated_pin);
bbeee9b0 2658 } else if (config_methods & WPS_CONFIG_PUSHBUTTON)
92c4465b
JM
2659 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_RESP
2660 MACSTR "%s", MAC2STR(peer), params);
a482883f 2661
dd8a7e05
JB
2662 wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */,
2663 P2P_PROV_DISC_SUCCESS,
2664 config_methods, generated_pin);
b22128ef
JM
2665}
2666
2667
19df9b07 2668static void wpas_prov_disc_fail(void *ctx, const u8 *peer,
ab8ee776
KV
2669 enum p2p_prov_disc_status status,
2670 u32 adv_id, const u8 *adv_mac,
2671 const char *deferred_session_resp)
dd8a7e05
JB
2672{
2673 struct wpa_supplicant *wpa_s = ctx;
2674
aa9bb764
JM
2675 if (wpa_s->p2p_fallback_to_go_neg) {
2676 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: PD for p2p_connect-auto "
2677 "failed - fall back to GO Negotiation");
ba307f85 2678 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
6b005121
JM
2679 P2P_EVENT_FALLBACK_TO_GO_NEG
2680 "reason=PD-failed");
aa9bb764
JM
2681 wpas_p2p_fallback_to_go_neg(wpa_s, 0);
2682 return;
2683 }
2684
175171ac
JM
2685 if (status == P2P_PROV_DISC_TIMEOUT_JOIN) {
2686 wpa_s->pending_pd_before_join = 0;
2687 wpa_printf(MSG_DEBUG, "P2P: Starting pending "
2688 "join-existing-group operation (no ACK for PD "
2689 "Req attempts)");
23318bea 2690 wpas_p2p_join_start(wpa_s, 0, NULL, 0);
175171ac
JM
2691 return;
2692 }
2693
ab8ee776
KV
2694 if (adv_id && adv_mac && deferred_session_resp) {
2695 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
2696 " p2p_dev_addr=" MACSTR " status=%d adv_id=%x"
2697 " deferred_session_resp='%s'",
2698 MAC2STR(peer), status, adv_id,
2699 deferred_session_resp);
2700 } else if (adv_id && adv_mac) {
2701 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
2702 " p2p_dev_addr=" MACSTR " status=%d adv_id=%x",
2703 MAC2STR(peer), status, adv_id);
2704 } else {
2705 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
2706 " p2p_dev_addr=" MACSTR " status=%d",
2707 MAC2STR(peer), status);
2708 }
f65a239b 2709
dd8a7e05
JB
2710 wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */,
2711 status, 0, 0);
2712}
2713
2714
e280110d
IP
2715static int freq_included(struct wpa_supplicant *wpa_s,
2716 const struct p2p_channels *channels,
2717 unsigned int freq)
72728c6f 2718{
e280110d
IP
2719 if ((channels == NULL || p2p_channels_includes_freq(channels, freq)) &&
2720 wpas_p2p_go_is_peer_freq(wpa_s, freq))
2721 return 1;
2722 return 0;
72728c6f
SL
2723}
2724
2725
5e1f4805
IP
2726static void wpas_p2p_go_update_common_freqs(struct wpa_supplicant *wpa_s)
2727{
2728 unsigned int num = P2P_MAX_CHANNELS;
2729 int *common_freqs;
2730 int ret;
2731
2732 p2p_go_dump_common_freqs(wpa_s);
2733 common_freqs = os_calloc(num, sizeof(int));
2734 if (!common_freqs)
2735 return;
2736
2737 ret = p2p_group_get_common_freqs(wpa_s->p2p_group, common_freqs, &num);
2738 if (ret < 0) {
2739 wpa_dbg(wpa_s, MSG_DEBUG,
2740 "P2P: Failed to get group common freqs");
2741 os_free(common_freqs);
2742 return;
2743 }
2744
2745 os_free(wpa_s->p2p_group_common_freqs);
2746 wpa_s->p2p_group_common_freqs = common_freqs;
2747 wpa_s->p2p_group_common_freqs_num = num;
2748 p2p_go_dump_common_freqs(wpa_s);
2749}
2750
2751
1a471ff0
IP
2752/*
2753 * Check if the given frequency is one of the possible operating frequencies
2754 * set after the completion of the GO Negotiation.
2755 */
2756static int wpas_p2p_go_is_peer_freq(struct wpa_supplicant *wpa_s, int freq)
2757{
2758 unsigned int i;
2759
2760 p2p_go_dump_common_freqs(wpa_s);
2761
2762 /* assume no restrictions */
2763 if (!wpa_s->p2p_group_common_freqs_num)
2764 return 1;
2765
2766 for (i = 0; i < wpa_s->p2p_group_common_freqs_num; i++) {
2767 if (wpa_s->p2p_group_common_freqs[i] == freq)
2768 return 1;
2769 }
2770 return 0;
2771}
2772
2773
98b05081
AO
2774static int wpas_sta_check_ecsa(struct hostapd_data *hapd,
2775 struct sta_info *sta, void *ctx)
2776{
2777 int *ecsa_support = ctx;
2778
2779 *ecsa_support &= sta->ecsa_supported;
2780
2781 return 0;
2782}
2783
2784
2785/* Check if all the peers support eCSA */
2786static int wpas_p2p_go_clients_support_ecsa(struct wpa_supplicant *wpa_s)
2787{
2788 int ecsa_support = 1;
2789
2790 ap_for_each_sta(wpa_s->ap_iface->bss[0], wpas_sta_check_ecsa,
2791 &ecsa_support);
2792
2793 return ecsa_support;
2794}
2795
2796
a0c90bb0
IP
2797/**
2798 * Pick the best frequency to use from all the currently used frequencies.
2799 */
2800static int wpas_p2p_pick_best_used_freq(struct wpa_supplicant *wpa_s,
2801 struct wpa_used_freq_data *freqs,
2802 unsigned int num)
2803{
2804 unsigned int i, c;
2805
2806 /* find a candidate freq that is supported by P2P */
2807 for (c = 0; c < num; c++)
2808 if (p2p_supported_freq(wpa_s->global->p2p, freqs[c].freq))
2809 break;
2810
2811 if (c == num)
2812 return 0;
2813
2814 /* once we have a candidate, try to find a 'better' one */
2815 for (i = c + 1; i < num; i++) {
2816 if (!p2p_supported_freq(wpa_s->global->p2p, freqs[i].freq))
2817 continue;
2818
2819 /*
2820 * 1. Infrastructure station interfaces have higher preference.
2821 * 2. P2P Clients have higher preference.
2822 * 3. All others.
2823 */
2824 if (freqs[i].flags & WPA_FREQ_USED_BY_INFRA_STATION) {
2825 c = i;
2826 break;
2827 }
2828
2829 if ((freqs[i].flags & WPA_FREQ_USED_BY_P2P_CLIENT))
2830 c = i;
2831 }
2832 return freqs[c].freq;
2833}
2834
2835
b22128ef
JM
2836static u8 wpas_invitation_process(void *ctx, const u8 *sa, const u8 *bssid,
2837 const u8 *go_dev_addr, const u8 *ssid,
2838 size_t ssid_len, int *go, u8 *group_bssid,
72728c6f 2839 int *force_freq, int persistent_group,
8e9f53c3
JM
2840 const struct p2p_channels *channels,
2841 int dev_pw_id)
b22128ef
JM
2842{
2843 struct wpa_supplicant *wpa_s = ctx;
2844 struct wpa_ssid *s;
a0c90bb0 2845 struct wpa_used_freq_data *freqs;
ab72eb52 2846 struct wpa_supplicant *grp;
a0c90bb0 2847 int best_freq;
b22128ef
JM
2848
2849 if (!persistent_group) {
2850 wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
c48414af
JM
2851 " to join an active group (SSID: %s)",
2852 MAC2STR(sa), wpa_ssid_txt(ssid, ssid_len));
108def93 2853 if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) &&
131cb37c
JM
2854 (os_memcmp(go_dev_addr, wpa_s->p2p_auth_invite, ETH_ALEN)
2855 == 0 ||
2856 os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0)) {
108def93
JM
2857 wpa_printf(MSG_DEBUG, "P2P: Accept previously "
2858 "authorized invitation");
2859 goto accept_inv;
2860 }
8e9f53c3
JM
2861
2862#ifdef CONFIG_WPS_NFC
57ae1f5b
DS
2863 if (dev_pw_id >= 0 && wpa_s->p2p_nfc_tag_enabled &&
2864 dev_pw_id == wpa_s->p2p_oob_dev_pw_id) {
8e9f53c3 2865 wpa_printf(MSG_DEBUG, "P2P: Accept invitation based on local enabled NFC Tag");
57ae1f5b
DS
2866 wpa_s->p2p_wps_method = WPS_NFC;
2867 wpa_s->pending_join_wps_method = WPS_NFC;
2868 os_memcpy(wpa_s->pending_join_dev_addr,
8e9f53c3 2869 go_dev_addr, ETH_ALEN);
57ae1f5b 2870 os_memcpy(wpa_s->pending_join_iface_addr,
8e9f53c3
JM
2871 bssid, ETH_ALEN);
2872 goto accept_inv;
2873 }
2874#endif /* CONFIG_WPS_NFC */
2875
b22128ef
JM
2876 /*
2877 * Do not accept the invitation automatically; notify user and
2878 * request approval.
2879 */
2880 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
2881 }
2882
ab72eb52
JM
2883 grp = wpas_get_p2p_group(wpa_s, ssid, ssid_len, go);
2884 if (grp) {
2885 wpa_printf(MSG_DEBUG, "P2P: Accept invitation to already "
2886 "running persistent group");
2887 if (*go)
2888 os_memcpy(group_bssid, grp->own_addr, ETH_ALEN);
2889 goto accept_inv;
2890 }
2891
77e4e853
JM
2892 if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) &&
2893 os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0) {
2894 wpa_printf(MSG_DEBUG, "P2P: Accept previously initiated "
2895 "invitation to re-invoke a persistent group");
829a1b32 2896 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
77e4e853 2897 } else if (!wpa_s->conf->persistent_reconnect)
b22128ef
JM
2898 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
2899
2900 for (s = wpa_s->conf->ssid; s; s = s->next) {
2901 if (s->disabled == 2 &&
2902 os_memcmp(s->bssid, go_dev_addr, ETH_ALEN) == 0 &&
2903 s->ssid_len == ssid_len &&
2904 os_memcmp(ssid, s->ssid, ssid_len) == 0)
2905 break;
2906 }
2907
2908 if (!s) {
2909 wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
2910 " requested reinvocation of an unknown group",
2911 MAC2STR(sa));
2912 return P2P_SC_FAIL_UNKNOWN_GROUP;
2913 }
2914
2915 if (s->mode == WPAS_MODE_P2P_GO && !wpas_p2p_create_iface(wpa_s)) {
2916 *go = 1;
2917 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
2918 wpa_printf(MSG_DEBUG, "P2P: The only available "
2919 "interface is already in use - reject "
2920 "invitation");
2921 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
2922 }
96a26ab7
LD
2923 if (wpa_s->p2p_mgmt)
2924 os_memcpy(group_bssid, wpa_s->parent->own_addr,
2925 ETH_ALEN);
2926 else
2927 os_memcpy(group_bssid, wpa_s->own_addr, ETH_ALEN);
b22128ef
JM
2928 } else if (s->mode == WPAS_MODE_P2P_GO) {
2929 *go = 1;
2930 if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO) < 0)
2931 {
2932 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
2933 "interface address for the group");
2934 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
2935 }
2936 os_memcpy(group_bssid, wpa_s->pending_interface_addr,
2937 ETH_ALEN);
2938 }
2939
108def93 2940accept_inv:
6cb27aa8
JM
2941 wpas_p2p_set_own_freq_preference(wpa_s, 0);
2942
a0c90bb0
IP
2943 best_freq = 0;
2944 freqs = os_calloc(wpa_s->num_multichan_concurrent,
2945 sizeof(struct wpa_used_freq_data));
2946 if (freqs) {
2947 int num_channels = wpa_s->num_multichan_concurrent;
2948 int num = wpas_p2p_valid_oper_freqs(wpa_s, freqs, num_channels);
2949 best_freq = wpas_p2p_pick_best_used_freq(wpa_s, freqs, num);
2950 os_free(freqs);
2951 }
2952
0d08efa4 2953 /* Get one of the frequencies currently in use */
a0c90bb0 2954 if (best_freq > 0) {
21e491f2 2955 wpa_printf(MSG_DEBUG, "P2P: Trying to prefer a channel already used by one of the interfaces");
a0c90bb0 2956 wpas_p2p_set_own_freq_preference(wpa_s, best_freq);
21e491f2
JM
2957
2958 if (wpa_s->num_multichan_concurrent < 2 ||
2959 wpas_p2p_num_unused_channels(wpa_s) < 1) {
2960 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 2961 *force_freq = best_freq;
21e491f2 2962 }
b22128ef
JM
2963 }
2964
0d08efa4
IP
2965 if (*force_freq > 0 && wpa_s->num_multichan_concurrent > 1 &&
2966 wpas_p2p_num_unused_channels(wpa_s) > 0) {
72728c6f
SL
2967 if (*go == 0) {
2968 /* We are the client */
2969 wpa_printf(MSG_DEBUG, "P2P: Peer was found to be "
2970 "running a GO but we are capable of MCC, "
2971 "figure out the best channel to use");
2972 *force_freq = 0;
e280110d 2973 } else if (!freq_included(wpa_s, channels, *force_freq)) {
72728c6f
SL
2974 /* We are the GO, and *force_freq is not in the
2975 * intersection */
2976 wpa_printf(MSG_DEBUG, "P2P: Forced GO freq %d MHz not "
2977 "in intersection but we are capable of MCC, "
2978 "figure out the best channel to use",
2979 *force_freq);
2980 *force_freq = 0;
2981 }
2982 }
2983
b22128ef
JM
2984 return P2P_SC_SUCCESS;
2985}
2986
2987
2988static void wpas_invitation_received(void *ctx, const u8 *sa, const u8 *bssid,
2989 const u8 *ssid, size_t ssid_len,
2990 const u8 *go_dev_addr, u8 status,
2991 int op_freq)
2992{
2993 struct wpa_supplicant *wpa_s = ctx;
2994 struct wpa_ssid *s;
2995
2996 for (s = wpa_s->conf->ssid; s; s = s->next) {
2997 if (s->disabled == 2 &&
2998 s->ssid_len == ssid_len &&
2999 os_memcmp(ssid, s->ssid, ssid_len) == 0)
3000 break;
3001 }
3002
3003 if (status == P2P_SC_SUCCESS) {
3004 wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
c48414af
JM
3005 " was accepted; op_freq=%d MHz, SSID=%s",
3006 MAC2STR(sa), op_freq, wpa_ssid_txt(ssid, ssid_len));
b22128ef 3007 if (s) {
2cd07584 3008 int go = s->mode == WPAS_MODE_P2P_GO;
0ee89250
LD
3009 if (go) {
3010 wpa_msg_global(wpa_s, MSG_INFO,
3011 P2P_EVENT_INVITATION_ACCEPTED
3012 "sa=" MACSTR
3013 " persistent=%d freq=%d",
3014 MAC2STR(sa), s->id, op_freq);
3015 } else {
3016 wpa_msg_global(wpa_s, MSG_INFO,
3017 P2P_EVENT_INVITATION_ACCEPTED
3018 "sa=" MACSTR
3019 " persistent=%d",
3020 MAC2STR(sa), s->id);
3021 }
b22128ef 3022 wpas_p2p_group_add_persistent(
c27f4c90 3023 wpa_s, s, go, 0, op_freq, 0, 0, 0, 0, NULL,
dfaf11d6
JM
3024 go ? P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE : 0,
3025 1);
2049af2b 3026 } else if (bssid) {
67527166 3027 wpa_s->user_initiated_pd = 0;
0ee89250
LD
3028 wpa_msg_global(wpa_s, MSG_INFO,
3029 P2P_EVENT_INVITATION_ACCEPTED
3030 "sa=" MACSTR " go_dev_addr=" MACSTR
3031 " bssid=" MACSTR " unknown-network",
3032 MAC2STR(sa), MAC2STR(go_dev_addr),
3033 MAC2STR(bssid));
108def93 3034 wpas_p2p_join(wpa_s, bssid, go_dev_addr,
23318bea 3035 wpa_s->p2p_wps_method, 0, op_freq,
c48414af 3036 ssid, ssid_len);
b22128ef
JM
3037 }
3038 return;
3039 }
3040
3041 if (status != P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
3042 wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
3043 " was rejected (status %u)", MAC2STR(sa), status);
3044 return;
3045 }
3046
3047 if (!s) {
3048 if (bssid) {
92c4465b
JM
3049 wpa_msg_global(wpa_s, MSG_INFO,
3050 P2P_EVENT_INVITATION_RECEIVED
3051 "sa=" MACSTR " go_dev_addr=" MACSTR
3052 " bssid=" MACSTR " unknown-network",
3053 MAC2STR(sa), MAC2STR(go_dev_addr),
3054 MAC2STR(bssid));
b22128ef 3055 } else {
92c4465b
JM
3056 wpa_msg_global(wpa_s, MSG_INFO,
3057 P2P_EVENT_INVITATION_RECEIVED
3058 "sa=" MACSTR " go_dev_addr=" MACSTR
3059 " unknown-network",
3060 MAC2STR(sa), MAC2STR(go_dev_addr));
b22128ef 3061 }
be5ab8d4
MJ
3062 wpas_notify_p2p_invitation_received(wpa_s, sa, go_dev_addr,
3063 bssid, 0, op_freq);
b22128ef
JM
3064 return;
3065 }
3066
cd1e2309 3067 if (s->mode == WPAS_MODE_P2P_GO && op_freq) {
92c4465b
JM
3068 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
3069 "sa=" MACSTR " persistent=%d freq=%d",
3070 MAC2STR(sa), s->id, op_freq);
cd1e2309 3071 } else {
92c4465b
JM
3072 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
3073 "sa=" MACSTR " persistent=%d",
3074 MAC2STR(sa), s->id);
cd1e2309 3075 }
be5ab8d4
MJ
3076 wpas_notify_p2p_invitation_received(wpa_s, sa, go_dev_addr, bssid,
3077 s->id, op_freq);
b22128ef
JM
3078}
3079
3080
dbca75f8
JM
3081static void wpas_remove_persistent_peer(struct wpa_supplicant *wpa_s,
3082 struct wpa_ssid *ssid,
f2c56602 3083 const u8 *peer, int inv)
dbca75f8
JM
3084{
3085 size_t i;
b740401f 3086 struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s;
dbca75f8
JM
3087
3088 if (ssid == NULL)
3089 return;
3090
3091 for (i = 0; ssid->p2p_client_list && i < ssid->num_p2p_clients; i++) {
79cd993a 3092 if (os_memcmp(ssid->p2p_client_list + i * 2 * ETH_ALEN, peer,
dbca75f8
JM
3093 ETH_ALEN) == 0)
3094 break;
3095 }
8931a36c 3096 if (i >= ssid->num_p2p_clients || !ssid->p2p_client_list) {
dbca75f8
JM
3097 if (ssid->mode != WPAS_MODE_P2P_GO &&
3098 os_memcmp(ssid->bssid, peer, ETH_ALEN) == 0) {
3099 wpa_printf(MSG_DEBUG, "P2P: Remove persistent group %d "
3100 "due to invitation result", ssid->id);
3101 wpas_notify_network_removed(wpa_s, ssid);
3102 wpa_config_remove_network(wpa_s->conf, ssid->id);
3103 return;
3104 }
3105 return; /* Peer not found in client list */
3106 }
3107
3108 wpa_printf(MSG_DEBUG, "P2P: Remove peer " MACSTR " from persistent "
f2c56602
JM
3109 "group %d client list%s",
3110 MAC2STR(peer), ssid->id,
3111 inv ? " due to invitation result" : "");
79cd993a
ST
3112 os_memmove(ssid->p2p_client_list + i * 2 * ETH_ALEN,
3113 ssid->p2p_client_list + (i + 1) * 2 * ETH_ALEN,
3114 (ssid->num_p2p_clients - i - 1) * 2 * ETH_ALEN);
dbca75f8 3115 ssid->num_p2p_clients--;
b740401f
IP
3116 if (p2p_wpa_s->conf->update_config &&
3117 wpa_config_write(p2p_wpa_s->confname, p2p_wpa_s->conf))
dbca75f8 3118 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
dbca75f8
JM
3119}
3120
3121
3122static void wpas_remove_persistent_client(struct wpa_supplicant *wpa_s,
3123 const u8 *peer)
3124{
3125 struct wpa_ssid *ssid;
3126
3127 wpa_s = wpa_s->global->p2p_invite_group;
3128 if (wpa_s == NULL)
3129 return; /* No known invitation group */
3130 ssid = wpa_s->current_ssid;
3131 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3132 !ssid->p2p_persistent_group)
3133 return; /* Not operating as a GO in persistent group */
ba307f85 3134 ssid = wpas_p2p_get_persistent(wpa_s->p2pdev, peer,
dbca75f8 3135 ssid->ssid, ssid->ssid_len);
f2c56602 3136 wpas_remove_persistent_peer(wpa_s, ssid, peer, 1);
dbca75f8
JM
3137}
3138
3139
54733624 3140static void wpas_invitation_result(void *ctx, int status, const u8 *bssid,
dbca75f8 3141 const struct p2p_channels *channels,
41d5ce9e
RR
3142 const u8 *peer, int neg_freq,
3143 int peer_oper_freq)
b22128ef
JM
3144{
3145 struct wpa_supplicant *wpa_s = ctx;
3146 struct wpa_ssid *ssid;
41d5ce9e 3147 int freq;
b22128ef
JM
3148
3149 if (bssid) {
92c4465b
JM
3150 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
3151 "status=%d " MACSTR,
3152 status, MAC2STR(bssid));
b22128ef 3153 } else {
92c4465b
JM
3154 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
3155 "status=%d ", status);
b22128ef 3156 }
5ccdf84f 3157 wpas_notify_p2p_invitation_result(wpa_s, status, bssid);
b22128ef 3158
dbca75f8
JM
3159 wpa_printf(MSG_DEBUG, "P2P: Invitation result - status=%d peer=" MACSTR,
3160 status, MAC2STR(peer));
3161 if (wpa_s->pending_invite_ssid_id == -1) {
6cbbae2c
IP
3162 struct wpa_supplicant *group_if =
3163 wpa_s->global->p2p_invite_group;
3164
dbca75f8
JM
3165 if (status == P2P_SC_FAIL_UNKNOWN_GROUP)
3166 wpas_remove_persistent_client(wpa_s, peer);
6cbbae2c
IP
3167
3168 /*
3169 * Invitation to an active group. If this is successful and we
3170 * are the GO, set the client wait to postpone some concurrent
3171 * operations and to allow provisioning and connection to happen
3172 * more quickly.
3173 */
3174 if (status == P2P_SC_SUCCESS &&
3175 group_if && group_if->current_ssid &&
ed7820b4 3176 group_if->current_ssid->mode == WPAS_MODE_P2P_GO) {
6cbbae2c 3177 os_get_reltime(&wpa_s->global->p2p_go_wait_client);
ed7820b4
IP
3178#ifdef CONFIG_TESTING_OPTIONS
3179 if (group_if->p2p_go_csa_on_inv) {
3180 wpa_printf(MSG_DEBUG,
3181 "Testing: force P2P GO CSA after invitation");
3182 eloop_cancel_timeout(
3183 wpas_p2p_reconsider_moving_go,
3184 wpa_s, NULL);
3185 eloop_register_timeout(
3186 0, 50000,
3187 wpas_p2p_reconsider_moving_go,
3188 wpa_s, NULL);
3189 }
3190#endif /* CONFIG_TESTING_OPTIONS */
3191 }
6cbbae2c 3192 return;
dbca75f8 3193 }
706887fc 3194
77e4e853
JM
3195 if (status == P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
3196 wpa_printf(MSG_DEBUG, "P2P: Waiting for peer to start another "
3197 "invitation exchange to indicate readiness for "
3198 "re-invocation");
3199 }
3200
b22128ef 3201 if (status != P2P_SC_SUCCESS) {
dbca75f8
JM
3202 if (status == P2P_SC_FAIL_UNKNOWN_GROUP) {
3203 ssid = wpa_config_get_network(
3204 wpa_s->conf, wpa_s->pending_invite_ssid_id);
f2c56602 3205 wpas_remove_persistent_peer(wpa_s, ssid, peer, 1);
dbca75f8 3206 }
b22128ef
JM
3207 wpas_p2p_remove_pending_group_interface(wpa_s);
3208 return;
3209 }
3210
3211 ssid = wpa_config_get_network(wpa_s->conf,
3212 wpa_s->pending_invite_ssid_id);
3213 if (ssid == NULL) {
3214 wpa_printf(MSG_ERROR, "P2P: Could not find persistent group "
3215 "data matching with invitation");
3216 return;
3217 }
3218
13ece96f
JM
3219 /*
3220 * The peer could have missed our ctrl::ack frame for Invitation
3221 * Response and continue retransmitting the frame. To reduce the
3222 * likelihood of the peer not getting successful TX status for the
3223 * Invitation Response frame, wait a short time here before starting
3224 * the persistent group so that we will remain on the current channel to
3225 * acknowledge any possible retransmission from the peer.
3226 */
3227 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: 50 ms wait on current channel before "
3228 "starting persistent group");
3229 os_sleep(0, 50000);
3230
41d5ce9e 3231 if (neg_freq > 0 && ssid->mode == WPAS_MODE_P2P_GO &&
e280110d 3232 freq_included(wpa_s, channels, neg_freq))
41d5ce9e
RR
3233 freq = neg_freq;
3234 else if (peer_oper_freq > 0 && ssid->mode != WPAS_MODE_P2P_GO &&
e280110d 3235 freq_included(wpa_s, channels, peer_oper_freq))
41d5ce9e
RR
3236 freq = peer_oper_freq;
3237 else
3238 freq = 0;
3239
3240 wpa_printf(MSG_DEBUG, "P2P: Persistent group invitation success - op_freq=%d MHz SSID=%s",
3241 freq, wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
b22128ef 3242 wpas_p2p_group_add_persistent(wpa_s, ssid,
4d32c0c4 3243 ssid->mode == WPAS_MODE_P2P_GO,
062a7c0d 3244 wpa_s->p2p_persistent_go_freq,
41d5ce9e 3245 freq,
c27f4c90 3246 wpa_s->p2p_go_vht_center_freq2,
20ea1ca4 3247 wpa_s->p2p_go_ht40, wpa_s->p2p_go_vht,
c27f4c90 3248 wpa_s->p2p_go_max_oper_chwidth,
20ea1ca4 3249 channels,
bbc6c729
JM
3250 ssid->mode == WPAS_MODE_P2P_GO ?
3251 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE :
dfaf11d6 3252 0, 1);
b22128ef
JM
3253}
3254
3255
6f3bc72b
JM
3256static int wpas_p2p_disallowed_freq(struct wpa_global *global,
3257 unsigned int freq)
3258{
253f2e37
AH
3259 if (freq_range_list_includes(&global->p2p_go_avoid_freq, freq))
3260 return 1;
af8a827b 3261 return freq_range_list_includes(&global->p2p_disallow_freq, freq);
6f3bc72b
JM
3262}
3263
3264
3265static void wpas_p2p_add_chan(struct p2p_reg_class *reg, u8 chan)
3266{
3267 reg->channel[reg->channels] = chan;
3268 reg->channels++;
3269}
3270
3271
ac8d1011 3272static int wpas_p2p_default_channels(struct wpa_supplicant *wpa_s,
51e9f228
JM
3273 struct p2p_channels *chan,
3274 struct p2p_channels *cli_chan)
ac8d1011
JM
3275{
3276 int i, cla = 0;
3277
7475d299
JM
3278 wpa_s->global->p2p_24ghz_social_channels = 1;
3279
51e9f228
JM
3280 os_memset(cli_chan, 0, sizeof(*cli_chan));
3281
ac8d1011
JM
3282 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for 2.4 GHz "
3283 "band");
3284
3285 /* Operating class 81 - 2.4 GHz band channels 1..13 */
3286 chan->reg_class[cla].reg_class = 81;
6f3bc72b
JM
3287 chan->reg_class[cla].channels = 0;
3288 for (i = 0; i < 11; i++) {
3289 if (!wpas_p2p_disallowed_freq(wpa_s->global, 2412 + i * 5))
3290 wpas_p2p_add_chan(&chan->reg_class[cla], i + 1);
3291 }
3292 if (chan->reg_class[cla].channels)
3293 cla++;
ac8d1011
JM
3294
3295 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for lower 5 GHz "
3296 "band");
3297
3298 /* Operating class 115 - 5 GHz, channels 36-48 */
3299 chan->reg_class[cla].reg_class = 115;
6f3bc72b
JM
3300 chan->reg_class[cla].channels = 0;
3301 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 36 * 5))
3302 wpas_p2p_add_chan(&chan->reg_class[cla], 36);
3303 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 40 * 5))
3304 wpas_p2p_add_chan(&chan->reg_class[cla], 40);
3305 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 44 * 5))
3306 wpas_p2p_add_chan(&chan->reg_class[cla], 44);
3307 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 48 * 5))
3308 wpas_p2p_add_chan(&chan->reg_class[cla], 48);
3309 if (chan->reg_class[cla].channels)
3310 cla++;
ac8d1011
JM
3311
3312 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for higher 5 GHz "
3313 "band");
3314
3315 /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
3316 chan->reg_class[cla].reg_class = 124;
6f3bc72b
JM
3317 chan->reg_class[cla].channels = 0;
3318 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 149 * 5))
3319 wpas_p2p_add_chan(&chan->reg_class[cla], 149);
3320 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 153 * 5))
3321 wpas_p2p_add_chan(&chan->reg_class[cla], 153);
3322 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 156 * 5))
3323 wpas_p2p_add_chan(&chan->reg_class[cla], 157);
3324 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 161 * 5))
3325 wpas_p2p_add_chan(&chan->reg_class[cla], 161);
3326 if (chan->reg_class[cla].channels)
3327 cla++;
ac8d1011
JM
3328
3329 chan->reg_classes = cla;
3330 return 0;
3331}
3332
3333
51e9f228 3334enum chan_allowed {
0a443580 3335 NOT_ALLOWED, NO_IR, ALLOWED
51e9f228
JM
3336};
3337
6f3bc72b
JM
3338static int has_channel(struct wpa_global *global,
3339 struct hostapd_hw_modes *mode, u8 chan, int *flags)
ac8d1011
JM
3340{
3341 int i;
6f3bc72b
JM
3342 unsigned int freq;
3343
3344 freq = (mode->mode == HOSTAPD_MODE_IEEE80211A ? 5000 : 2407) +
3345 chan * 5;
3346 if (wpas_p2p_disallowed_freq(global, freq))
51e9f228 3347 return NOT_ALLOWED;
ac8d1011
JM
3348
3349 for (i = 0; i < mode->num_channels; i++) {
3350 if (mode->channels[i].chan == chan) {
51222429
JM
3351 if (flags)
3352 *flags = mode->channels[i].flag;
51e9f228
JM
3353 if (mode->channels[i].flag &
3354 (HOSTAPD_CHAN_DISABLED |
3355 HOSTAPD_CHAN_RADAR))
3356 return NOT_ALLOWED;
0a443580
IP
3357 if (mode->channels[i].flag & HOSTAPD_CHAN_NO_IR)
3358 return NO_IR;
51e9f228 3359 return ALLOWED;
ac8d1011
JM
3360 }
3361 }
3362
51e9f228 3363 return NOT_ALLOWED;
ac8d1011
JM
3364}
3365
3366
ca9bc5b5
EP
3367static int wpas_p2p_get_center_80mhz(struct wpa_supplicant *wpa_s,
3368 struct hostapd_hw_modes *mode,
3369 u8 channel)
3370{
3371 u8 center_channels[] = { 42, 58, 106, 122, 138, 155 };
5cdd729e 3372 size_t i;
ca9bc5b5
EP
3373
3374 if (mode->mode != HOSTAPD_MODE_IEEE80211A)
3375 return 0;
3376
3377 for (i = 0; i < ARRAY_SIZE(center_channels); i++)
3378 /*
3379 * In 80 MHz, the bandwidth "spans" 12 channels (e.g., 36-48),
3380 * so the center channel is 6 channels away from the start/end.
3381 */
3382 if (channel >= center_channels[i] - 6 &&
3383 channel <= center_channels[i] + 6)
3384 return center_channels[i];
3385
3386 return 0;
3387}
3388
3389
3390static enum chan_allowed wpas_p2p_verify_80mhz(struct wpa_supplicant *wpa_s,
3391 struct hostapd_hw_modes *mode,
3392 u8 channel, u8 bw)
3393{
3394 u8 center_chan;
3395 int i, flags;
3396 enum chan_allowed res, ret = ALLOWED;
3397
3398 center_chan = wpas_p2p_get_center_80mhz(wpa_s, mode, channel);
3399 if (!center_chan)
3400 return NOT_ALLOWED;
3401 if (center_chan >= 58 && center_chan <= 138)
3402 return NOT_ALLOWED; /* Do not allow DFS channels for P2P */
3403
3404 /* check all the channels are available */
3405 for (i = 0; i < 4; i++) {
3406 int adj_chan = center_chan - 6 + i * 4;
3407
3408 res = has_channel(wpa_s->global, mode, adj_chan, &flags);
3409 if (res == NOT_ALLOWED)
3410 return NOT_ALLOWED;
0a443580
IP
3411 if (res == NO_IR)
3412 ret = NO_IR;
ca9bc5b5
EP
3413
3414 if (i == 0 && !(flags & HOSTAPD_CHAN_VHT_10_70))
3415 return NOT_ALLOWED;
3416 if (i == 1 && !(flags & HOSTAPD_CHAN_VHT_30_50))
3417 return NOT_ALLOWED;
3418 if (i == 2 && !(flags & HOSTAPD_CHAN_VHT_50_30))
3419 return NOT_ALLOWED;
3420 if (i == 3 && !(flags & HOSTAPD_CHAN_VHT_70_10))
3421 return NOT_ALLOWED;
3422 }
3423
3424 return ret;
3425}
3426
3427
bee5d8e0
AK
3428static int wpas_p2p_get_center_160mhz(struct wpa_supplicant *wpa_s,
3429 struct hostapd_hw_modes *mode,
3430 u8 channel)
3431{
3432 u8 center_channels[] = { 50, 114 };
3433 unsigned int i;
3434
3435 if (mode->mode != HOSTAPD_MODE_IEEE80211A)
3436 return 0;
3437
3438 for (i = 0; i < ARRAY_SIZE(center_channels); i++)
3439 /*
3440 * In 160 MHz, the bandwidth "spans" 28 channels (e.g., 36-64),
3441 * so the center channel is 14 channels away from the start/end.
3442 */
3443 if (channel >= center_channels[i] - 14 &&
3444 channel <= center_channels[i] + 14)
3445 return center_channels[i];
3446
3447 return 0;
3448}
3449
3450
3451static enum chan_allowed wpas_p2p_verify_160mhz(struct wpa_supplicant *wpa_s,
3452 struct hostapd_hw_modes *mode,
3453 u8 channel, u8 bw)
3454{
3455 u8 center_chan;
3456 int i, flags;
3457 enum chan_allowed res, ret = ALLOWED;
3458
3459 center_chan = wpas_p2p_get_center_160mhz(wpa_s, mode, channel);
3460 if (!center_chan)
3461 return NOT_ALLOWED;
3462 /* VHT 160 MHz uses DFS channels in most countries. */
3463
3464 /* Check all the channels are available */
3465 for (i = 0; i < 8; i++) {
3466 int adj_chan = center_chan - 14 + i * 4;
3467
3468 res = has_channel(wpa_s->global, mode, adj_chan, &flags);
3469 if (res == NOT_ALLOWED)
3470 return NOT_ALLOWED;
3471
3472 if (res == NO_IR)
3473 ret = NO_IR;
3474
3475 if (i == 0 && !(flags & HOSTAPD_CHAN_VHT_10_150))
3476 return NOT_ALLOWED;
3477 if (i == 1 && !(flags & HOSTAPD_CHAN_VHT_30_130))
3478 return NOT_ALLOWED;
3479 if (i == 2 && !(flags & HOSTAPD_CHAN_VHT_50_110))
3480 return NOT_ALLOWED;
3481 if (i == 3 && !(flags & HOSTAPD_CHAN_VHT_70_90))
3482 return NOT_ALLOWED;
3483 if (i == 4 && !(flags & HOSTAPD_CHAN_VHT_90_70))
3484 return NOT_ALLOWED;
3485 if (i == 5 && !(flags & HOSTAPD_CHAN_VHT_110_50))
3486 return NOT_ALLOWED;
3487 if (i == 6 && !(flags & HOSTAPD_CHAN_VHT_130_30))
3488 return NOT_ALLOWED;
3489 if (i == 7 && !(flags & HOSTAPD_CHAN_VHT_150_10))
3490 return NOT_ALLOWED;
3491 }
3492
3493 return ret;
3494}
3495
3496
51e9f228
JM
3497static enum chan_allowed wpas_p2p_verify_channel(struct wpa_supplicant *wpa_s,
3498 struct hostapd_hw_modes *mode,
3499 u8 channel, u8 bw)
931228aa 3500{
cbf21c7c 3501 int flag = 0;
51e9f228
JM
3502 enum chan_allowed res, res2;
3503
3504 res2 = res = has_channel(wpa_s->global, mode, channel, &flag);
3505 if (bw == BW40MINUS) {
3506 if (!(flag & HOSTAPD_CHAN_HT40MINUS))
3507 return NOT_ALLOWED;
3508 res2 = has_channel(wpa_s->global, mode, channel - 4, NULL);
3509 } else if (bw == BW40PLUS) {
3510 if (!(flag & HOSTAPD_CHAN_HT40PLUS))
3511 return NOT_ALLOWED;
3512 res2 = has_channel(wpa_s->global, mode, channel + 4, NULL);
ca9bc5b5
EP
3513 } else if (bw == BW80) {
3514 res2 = wpas_p2p_verify_80mhz(wpa_s, mode, channel, bw);
bee5d8e0
AK
3515 } else if (bw == BW160) {
3516 res2 = wpas_p2p_verify_160mhz(wpa_s, mode, channel, bw);
51e9f228
JM
3517 }
3518
3519 if (res == NOT_ALLOWED || res2 == NOT_ALLOWED)
3520 return NOT_ALLOWED;
0a443580
IP
3521 if (res == NO_IR || res2 == NO_IR)
3522 return NO_IR;
51e9f228 3523 return res;
931228aa
RM
3524}
3525
3526
b22128ef 3527static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s,
51e9f228
JM
3528 struct p2p_channels *chan,
3529 struct p2p_channels *cli_chan)
b22128ef 3530{
6bf731e8 3531 struct hostapd_hw_modes *mode;
51e9f228 3532 int cla, op, cli_cla;
b22128ef 3533
6bf731e8 3534 if (wpa_s->hw.modes == NULL) {
b22128ef
JM
3535 wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching "
3536 "of all supported channels; assume dualband "
3537 "support");
51e9f228 3538 return wpas_p2p_default_channels(wpa_s, chan, cli_chan);
b22128ef
JM
3539 }
3540
51e9f228 3541 cla = cli_cla = 0;
b22128ef 3542
7d46f586
AS
3543 for (op = 0; global_op_class[op].op_class; op++) {
3544 const struct oper_class_map *o = &global_op_class[op];
ac8d1011 3545 u8 ch;
51e9f228 3546 struct p2p_reg_class *reg = NULL, *cli_reg = NULL;
b22128ef 3547
7d46f586
AS
3548 if (o->p2p == NO_P2P_SUPP)
3549 continue;
3550
6bf731e8 3551 mode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes, o->mode);
ac8d1011
JM
3552 if (mode == NULL)
3553 continue;
7475d299
JM
3554 if (mode->mode == HOSTAPD_MODE_IEEE80211G)
3555 wpa_s->global->p2p_24ghz_social_channels = 1;
ac8d1011 3556 for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
51e9f228
JM
3557 enum chan_allowed res;
3558 res = wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw);
3559 if (res == ALLOWED) {
3560 if (reg == NULL) {
3561 wpa_printf(MSG_DEBUG, "P2P: Add operating class %u",
3562 o->op_class);
3563 reg = &chan->reg_class[cla];
3564 cla++;
3565 reg->reg_class = o->op_class;
3566 }
3567 reg->channel[reg->channels] = ch;
3568 reg->channels++;
0a443580 3569 } else if (res == NO_IR &&
51e9f228
JM
3570 wpa_s->conf->p2p_add_cli_chan) {
3571 if (cli_reg == NULL) {
3572 wpa_printf(MSG_DEBUG, "P2P: Add operating class %u (client only)",
3573 o->op_class);
3574 cli_reg = &cli_chan->reg_class[cli_cla];
3575 cli_cla++;
3576 cli_reg->reg_class = o->op_class;
3577 }
3578 cli_reg->channel[cli_reg->channels] = ch;
3579 cli_reg->channels++;
ac8d1011 3580 }
ac8d1011
JM
3581 }
3582 if (reg) {
3583 wpa_hexdump(MSG_DEBUG, "P2P: Channels",
3584 reg->channel, reg->channels);
3585 }
51e9f228
JM
3586 if (cli_reg) {
3587 wpa_hexdump(MSG_DEBUG, "P2P: Channels (client only)",
3588 cli_reg->channel, cli_reg->channels);
3589 }
b22128ef
JM
3590 }
3591
ac8d1011 3592 chan->reg_classes = cla;
51e9f228 3593 cli_chan->reg_classes = cli_cla;
b22128ef 3594
b22128ef
JM
3595 return 0;
3596}
3597
3598
7aeac985
RM
3599int wpas_p2p_get_ht40_mode(struct wpa_supplicant *wpa_s,
3600 struct hostapd_hw_modes *mode, u8 channel)
3601{
51e9f228
JM
3602 int op;
3603 enum chan_allowed ret;
7aeac985 3604
7d46f586
AS
3605 for (op = 0; global_op_class[op].op_class; op++) {
3606 const struct oper_class_map *o = &global_op_class[op];
7aeac985
RM
3607 u8 ch;
3608
7d46f586
AS
3609 if (o->p2p == NO_P2P_SUPP)
3610 continue;
3611
7aeac985
RM
3612 for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
3613 if (o->mode != HOSTAPD_MODE_IEEE80211A ||
e4a80d89
EP
3614 (o->bw != BW40PLUS && o->bw != BW40MINUS) ||
3615 ch != channel)
7aeac985
RM
3616 continue;
3617 ret = wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw);
51e9f228 3618 if (ret == ALLOWED)
7aeac985 3619 return (o->bw == BW40MINUS) ? -1 : 1;
7aeac985
RM
3620 }
3621 }
3622 return 0;
3623}
3624
3625
ca9bc5b5
EP
3626int wpas_p2p_get_vht80_center(struct wpa_supplicant *wpa_s,
3627 struct hostapd_hw_modes *mode, u8 channel)
3628{
3629 if (!wpas_p2p_verify_channel(wpa_s, mode, channel, BW80))
3630 return 0;
3631
3632 return wpas_p2p_get_center_80mhz(wpa_s, mode, channel);
3633}
3634
3635
bee5d8e0
AK
3636int wpas_p2p_get_vht160_center(struct wpa_supplicant *wpa_s,
3637 struct hostapd_hw_modes *mode, u8 channel)
3638{
3639 if (!wpas_p2p_verify_channel(wpa_s, mode, channel, BW160))
3640 return 0;
3641 return wpas_p2p_get_center_160mhz(wpa_s, mode, channel);
3642}
3643
3644
b22128ef
JM
3645static int wpas_get_noa(void *ctx, const u8 *interface_addr, u8 *buf,
3646 size_t buf_len)
3647{
3648 struct wpa_supplicant *wpa_s = ctx;
3649
3650 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3651 if (os_memcmp(wpa_s->own_addr, interface_addr, ETH_ALEN) == 0)
3652 break;
3653 }
3654 if (wpa_s == NULL)
3655 return -1;
3656
3657 return wpa_drv_get_noa(wpa_s, buf, buf_len);
3658}
3659
3660
6f04642f
TB
3661struct wpa_supplicant * wpas_get_p2p_go_iface(struct wpa_supplicant *wpa_s,
3662 const u8 *ssid, size_t ssid_len)
b1aebbc4 3663{
6f04642f
TB
3664 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3665 struct wpa_ssid *s = wpa_s->current_ssid;
3666 if (s == NULL)
3667 continue;
3668 if (s->mode != WPAS_MODE_P2P_GO &&
3669 s->mode != WPAS_MODE_AP &&
3670 s->mode != WPAS_MODE_P2P_GROUP_FORMATION)
3671 continue;
3672 if (s->ssid_len != ssid_len ||
af65bc36 3673 os_memcmp(ssid, s->ssid, ssid_len) != 0)
6f04642f
TB
3674 continue;
3675 return wpa_s;
3676 }
3677
3678 return NULL;
3679
3680}
3681
b1aebbc4 3682
6f04642f
TB
3683struct wpa_supplicant * wpas_get_p2p_client_iface(struct wpa_supplicant *wpa_s,
3684 const u8 *peer_dev_addr)
3685{
b1aebbc4
JM
3686 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3687 struct wpa_ssid *ssid = wpa_s->current_ssid;
9f59fe8d 3688 if (ssid && (ssid->mode != WPAS_MODE_INFRA || !ssid->p2p_group))
b1aebbc4 3689 continue;
6f04642f
TB
3690 if (os_memcmp(wpa_s->go_dev_addr, peer_dev_addr, ETH_ALEN) == 0)
3691 return wpa_s;
b1aebbc4
JM
3692 }
3693
6f04642f
TB
3694 return NULL;
3695}
3696
3697
3698static int wpas_go_connected(void *ctx, const u8 *dev_addr)
3699{
3700 struct wpa_supplicant *wpa_s = ctx;
3701
3702 return wpas_get_p2p_client_iface(wpa_s, dev_addr) != NULL;
b1aebbc4
JM
3703}
3704
3705
a2d63657
RR
3706static int wpas_is_concurrent_session_active(void *ctx)
3707{
3708 struct wpa_supplicant *wpa_s = ctx;
3709 struct wpa_supplicant *ifs;
3710
3711 for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) {
3712 if (ifs == wpa_s)
3713 continue;
3714 if (ifs->wpa_state > WPA_ASSOCIATED)
3715 return 1;
3716 }
3717 return 0;
3718}
3719
3720
ed496f13
JM
3721static void wpas_p2p_debug_print(void *ctx, int level, const char *msg)
3722{
3723 struct wpa_supplicant *wpa_s = ctx;
92c4465b 3724 wpa_msg_global(wpa_s, level, "P2P: %s", msg);
ed496f13
JM
3725}
3726
3727
f1a61311
JM
3728int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant *wpa_s,
3729 const char *conf_p2p_dev)
c68f6200
AS
3730{
3731 struct wpa_interface iface;
3732 struct wpa_supplicant *p2pdev_wpa_s;
3733 char ifname[100];
3734 char force_name[100];
3735 int ret;
3736
1d399771
JM
3737 ret = os_snprintf(ifname, sizeof(ifname), P2P_MGMT_DEVICE_PREFIX "%s",
3738 wpa_s->ifname);
3739 if (os_snprintf_error(sizeof(ifname), ret))
3740 return -1;
c68f6200
AS
3741 force_name[0] = '\0';
3742 wpa_s->pending_interface_type = WPA_IF_P2P_DEVICE;
3743 ret = wpa_drv_if_add(wpa_s, WPA_IF_P2P_DEVICE, ifname, NULL, NULL,
3744 force_name, wpa_s->pending_interface_addr, NULL);
3745 if (ret < 0) {
3746 wpa_printf(MSG_DEBUG, "P2P: Failed to create P2P Device interface");
3747 return ret;
3748 }
3749 os_strlcpy(wpa_s->pending_interface_name, ifname,
3750 sizeof(wpa_s->pending_interface_name));
3751
3752 os_memset(&iface, 0, sizeof(iface));
3753 iface.p2p_mgmt = 1;
3754 iface.ifname = wpa_s->pending_interface_name;
3755 iface.driver = wpa_s->driver->name;
c68f6200 3756 iface.driver_param = wpa_s->conf->driver_param;
c16a7590
IP
3757
3758 /*
3759 * If a P2P Device configuration file was given, use it as the interface
3760 * configuration file (instead of using parent's configuration file.
3761 */
f1a61311
JM
3762 if (conf_p2p_dev) {
3763 iface.confname = conf_p2p_dev;
c16a7590
IP
3764 iface.ctrl_interface = NULL;
3765 } else {
3766 iface.confname = wpa_s->confname;
3767 iface.ctrl_interface = wpa_s->conf->ctrl_interface;
3768 }
c16a7590 3769
1772d348 3770 p2pdev_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface, wpa_s);
c68f6200
AS
3771 if (!p2pdev_wpa_s) {
3772 wpa_printf(MSG_DEBUG, "P2P: Failed to add P2P Device interface");
3773 return -1;
3774 }
3775
96a26ab7 3776 p2pdev_wpa_s->p2pdev = p2pdev_wpa_s;
c68f6200
AS
3777 wpa_s->pending_interface_name[0] = '\0';
3778 return 0;
3779}
3780
3781
c64e3a08
JM
3782static void wpas_presence_resp(void *ctx, const u8 *src, u8 status,
3783 const u8 *noa, size_t noa_len)
3784{
3785 struct wpa_supplicant *wpa_s, *intf = ctx;
3786 char hex[100];
3787
3788 for (wpa_s = intf->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3789 if (wpa_s->waiting_presence_resp)
3790 break;
3791 }
3792 if (!wpa_s) {
3793 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No group interface was waiting for presence response");
3794 return;
3795 }
3796 wpa_s->waiting_presence_resp = 0;
3797
3798 wpa_snprintf_hex(hex, sizeof(hex), noa, noa_len);
3799 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PRESENCE_RESPONSE "src=" MACSTR
3800 " status=%u noa=%s", MAC2STR(src), status, hex);
3801}
3802
3803
369678ad
KV
3804static int wpas_get_persistent_group(void *ctx, const u8 *addr, const u8 *ssid,
3805 size_t ssid_len, u8 *go_dev_addr,
1f1a08b4
AO
3806 u8 *ret_ssid, size_t *ret_ssid_len,
3807 u8 *intended_iface_addr)
369678ad
KV
3808{
3809 struct wpa_supplicant *wpa_s = ctx;
3810 struct wpa_ssid *s;
3811
3812 s = wpas_p2p_get_persistent(wpa_s, addr, ssid, ssid_len);
3813 if (s) {
3814 os_memcpy(ret_ssid, s->ssid, s->ssid_len);
3815 *ret_ssid_len = s->ssid_len;
3816 os_memcpy(go_dev_addr, s->bssid, ETH_ALEN);
1f1a08b4
AO
3817
3818 if (s->mode != WPAS_MODE_P2P_GO) {
3819 os_memset(intended_iface_addr, 0, ETH_ALEN);
3820 } else if (wpas_p2p_create_iface(wpa_s)) {
3821 if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO))
3822 return 0;
3823
3824 os_memcpy(intended_iface_addr,
3825 wpa_s->pending_interface_addr, ETH_ALEN);
3826 } else {
3827 os_memcpy(intended_iface_addr, wpa_s->own_addr,
3828 ETH_ALEN);
3829 }
369678ad
KV
3830 return 1;
3831 }
3832
3833 return 0;
3834}
3835
3836
3837static int wpas_get_go_info(void *ctx, u8 *intended_addr,
ebd32943
IP
3838 u8 *ssid, size_t *ssid_len, int *group_iface,
3839 unsigned int *freq)
369678ad
KV
3840{
3841 struct wpa_supplicant *wpa_s = ctx;
ebd32943 3842 struct wpa_supplicant *go;
369678ad 3843 struct wpa_ssid *s;
369678ad 3844
5cc6ec0f
AO
3845 /*
3846 * group_iface will be set to 1 only if a dedicated interface for P2P
3847 * role is required. First, we try to reuse an active GO. However,
3848 * if it is not present, we will try to reactivate an existing
3849 * persistent group and set group_iface to 1, so the caller will know
3850 * that the pending interface should be used.
3851 */
3852 *group_iface = 0;
ebd32943
IP
3853
3854 if (freq)
3855 *freq = 0;
3856
3857 go = wpas_p2p_get_go_group(wpa_s);
3858 if (!go) {
369678ad 3859 s = wpas_p2p_get_persistent_go(wpa_s);
5cc6ec0f 3860 *group_iface = wpas_p2p_create_iface(wpa_s);
369678ad 3861 if (s)
ebd32943 3862 os_memcpy(intended_addr, s->bssid, ETH_ALEN);
5cc6ec0f
AO
3863 else
3864 return 0;
ebd32943
IP
3865 } else {
3866 s = go->current_ssid;
3867 os_memcpy(intended_addr, go->own_addr, ETH_ALEN);
3868 if (freq)
3869 *freq = go->assoc_freq;
369678ad
KV
3870 }
3871
369678ad
KV
3872 os_memcpy(ssid, s->ssid, s->ssid_len);
3873 *ssid_len = s->ssid_len;
3874
3875 return 1;
3876}
3877
3878
895d94de
KV
3879static int wpas_remove_stale_groups(void *ctx, const u8 *peer, const u8 *go,
3880 const u8 *ssid, size_t ssid_len)
3881{
3882 struct wpa_supplicant *wpa_s = ctx;
3883 struct wpa_ssid *s;
3884 int save_config = 0;
3885 size_t i;
3886
3887 /* Start with our first choice of Persistent Groups */
3888 while ((s = wpas_p2p_get_persistent(wpa_s, peer, NULL, 0))) {
3889 if (go && ssid && ssid_len &&
3890 s->ssid_len == ssid_len &&
3891 os_memcmp(go, s->bssid, ETH_ALEN) == 0 &&
3892 os_memcmp(ssid, s->ssid, ssid_len) == 0)
3893 break;
3894
3895 /* Remove stale persistent group */
3896 if (s->mode != WPAS_MODE_P2P_GO || s->num_p2p_clients <= 1) {
3897 wpa_config_remove_network(wpa_s->conf, s->id);
3898 save_config = 1;
3899 continue;
3900 }
3901
3902 for (i = 0; i < s->num_p2p_clients; i++) {
3903 if (os_memcmp(s->p2p_client_list + i * 2 * ETH_ALEN,
3904 peer, ETH_ALEN) != 0)
3905 continue;
3906
3907 os_memmove(s->p2p_client_list + i * 2 * ETH_ALEN,
3908 s->p2p_client_list + (i + 1) * 2 * ETH_ALEN,
3909 (s->num_p2p_clients - i - 1) * 2 * ETH_ALEN);
3910 break;
3911 }
3912 s->num_p2p_clients--;
3913 save_config = 1;
3914 }
3915
3916 if (save_config)
3917 p2p_config_write(wpa_s);
3918
3919 /* Return TRUE if valid SSID remains */
3920 return s != NULL;
3921}
3922
3923
88f3d7c9
MS
3924static void wpas_p2ps_get_feat_cap_str(char *buf, size_t buf_len,
3925 const u8 *feat_cap, size_t feat_cap_len)
3926{
3927 static const char pref[] = " feature_cap=";
3928 int ret;
3929
3930 buf[0] = '\0';
3931
3932 /*
3933 * We expect a feature capability to contain at least one byte to be
3934 * reported. The string buffer provided by the caller function is
3935 * expected to be big enough to contain all bytes of the attribute for
3936 * known specifications. This function truncates the reported bytes if
3937 * the feature capability data exceeds the string buffer size.
3938 */
3939 if (!feat_cap || !feat_cap_len || buf_len < sizeof(pref) + 2)
3940 return;
3941
3942 os_memcpy(buf, pref, sizeof(pref));
3943 ret = wpa_snprintf_hex(&buf[sizeof(pref) - 1],
3944 buf_len - sizeof(pref) + 1,
3945 feat_cap, feat_cap_len);
3946
3947 if (ret != (2 * (int) feat_cap_len))
3948 wpa_printf(MSG_WARNING, "P2PS feature_cap bytes truncated");
3949}
3950
3951
5fefce27
KV
3952static void wpas_p2ps_prov_complete(void *ctx, u8 status, const u8 *dev,
3953 const u8 *adv_mac, const u8 *ses_mac,
3954 const u8 *grp_mac, u32 adv_id, u32 ses_id,
3955 u8 conncap, int passwd_id,
3956 const u8 *persist_ssid,
3957 size_t persist_ssid_size, int response_done,
88f3d7c9 3958 int prov_start, const char *session_info,
8bb8e6ed 3959 const u8 *feat_cap, size_t feat_cap_len,
aa256cb3
JM
3960 unsigned int freq,
3961 const u8 *group_ssid, size_t group_ssid_len)
5fefce27
KV
3962{
3963 struct wpa_supplicant *wpa_s = ctx;
3964 u8 mac[ETH_ALEN];
cd571e14 3965 struct wpa_ssid *persistent_go, *stale, *s = NULL;
5fefce27
KV
3966 int save_config = 0;
3967 struct wpa_supplicant *go_wpa_s;
88f3d7c9 3968 char feat_cap_str[256];
5fefce27
KV
3969
3970 if (!dev)
3971 return;
3972
3973 os_memset(mac, 0, ETH_ALEN);
3974 if (!adv_mac)
3975 adv_mac = mac;
3976 if (!ses_mac)
3977 ses_mac = mac;
3978 if (!grp_mac)
3979 grp_mac = mac;
3980
88f3d7c9
MS
3981 wpas_p2ps_get_feat_cap_str(feat_cap_str, sizeof(feat_cap_str),
3982 feat_cap, feat_cap_len);
3983
5fefce27
KV
3984 if (prov_start) {
3985 if (session_info == NULL) {
3986 wpa_msg_global(wpa_s, MSG_INFO,
3987 P2P_EVENT_P2PS_PROVISION_START MACSTR
3988 " adv_id=%x conncap=%x"
3989 " adv_mac=" MACSTR
3990 " session=%x mac=" MACSTR
88f3d7c9 3991 " dev_passwd_id=%d%s",
5fefce27
KV
3992 MAC2STR(dev), adv_id, conncap,
3993 MAC2STR(adv_mac),
3994 ses_id, MAC2STR(ses_mac),
88f3d7c9 3995 passwd_id, feat_cap_str);
5fefce27
KV
3996 } else {
3997 wpa_msg_global(wpa_s, MSG_INFO,
3998 P2P_EVENT_P2PS_PROVISION_START MACSTR
3999 " adv_id=%x conncap=%x"
4000 " adv_mac=" MACSTR
4001 " session=%x mac=" MACSTR
88f3d7c9 4002 " dev_passwd_id=%d info='%s'%s",
5fefce27
KV
4003 MAC2STR(dev), adv_id, conncap,
4004 MAC2STR(adv_mac),
4005 ses_id, MAC2STR(ses_mac),
88f3d7c9 4006 passwd_id, session_info, feat_cap_str);
5fefce27
KV
4007 }
4008 return;
4009 }
4010
4011 go_wpa_s = wpas_p2p_get_go_group(wpa_s);
4012 persistent_go = wpas_p2p_get_persistent_go(wpa_s);
4013
4014 if (status && status != P2P_SC_SUCCESS_DEFERRED) {
4015 if (go_wpa_s && !p2p_group_go_member_count(wpa_s))
4016 wpas_p2p_group_remove(wpa_s, go_wpa_s->ifname);
4017
4018 if (persistent_go && !persistent_go->num_p2p_clients) {
4019 /* remove empty persistent GO */
4020 wpa_config_remove_network(wpa_s->conf,
4021 persistent_go->id);
4022 }
4023
4024 wpa_msg_global(wpa_s, MSG_INFO,
4025 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
4026 " status=%d"
4027 " adv_id=%x adv_mac=" MACSTR
88f3d7c9 4028 " session=%x mac=" MACSTR "%s",
5fefce27
KV
4029 MAC2STR(dev), status,
4030 adv_id, MAC2STR(adv_mac),
88f3d7c9 4031 ses_id, MAC2STR(ses_mac), feat_cap_str);
5fefce27
KV
4032 return;
4033 }
4034
4035 /* Clean up stale persistent groups with this device */
cd571e14
MS
4036 if (persist_ssid && persist_ssid_size)
4037 s = wpas_p2p_get_persistent(wpa_s, dev, persist_ssid,
4038 persist_ssid_size);
1f14e2bf
AO
4039
4040 if (persist_ssid && s && s->mode != WPAS_MODE_P2P_GO &&
2a098e36 4041 is_zero_ether_addr(grp_mac)) {
1f14e2bf
AO
4042 wpa_dbg(wpa_s, MSG_ERROR,
4043 "P2P: Peer device is a GO in a persistent group, but it did not provide the intended MAC address");
4044 return;
4045 }
4046
5fefce27
KV
4047 for (;;) {
4048 stale = wpas_p2p_get_persistent(wpa_s, dev, NULL, 0);
4049 if (!stale)
4050 break;
4051
4052 if (s && s->ssid_len == stale->ssid_len &&
4053 os_memcmp(stale->bssid, s->bssid, ETH_ALEN) == 0 &&
4054 os_memcmp(stale->ssid, s->ssid, s->ssid_len) == 0)
4055 break;
4056
4057 /* Remove stale persistent group */
4058 if (stale->mode != WPAS_MODE_P2P_GO ||
4059 stale->num_p2p_clients <= 1) {
4060 wpa_config_remove_network(wpa_s->conf, stale->id);
4061 } else {
4062 size_t i;
4063
4064 for (i = 0; i < stale->num_p2p_clients; i++) {
4065 if (os_memcmp(stale->p2p_client_list +
4066 i * ETH_ALEN,
4067 dev, ETH_ALEN) == 0) {
4068 os_memmove(stale->p2p_client_list +
4069 i * ETH_ALEN,
4070 stale->p2p_client_list +
4071 (i + 1) * ETH_ALEN,
4072 (stale->num_p2p_clients -
4073 i - 1) * ETH_ALEN);
4074 break;
4075 }
4076 }
4077 stale->num_p2p_clients--;
4078 }
4079 save_config = 1;
4080 }
4081
4082 if (save_config)
4083 p2p_config_write(wpa_s);
4084
4085 if (s) {
4086 if (go_wpa_s && !p2p_group_go_member_count(wpa_s))
4087 wpas_p2p_group_remove(wpa_s, go_wpa_s->ifname);
4088
4089 if (persistent_go && s != persistent_go &&
4090 !persistent_go->num_p2p_clients) {
4091 /* remove empty persistent GO */
4092 wpa_config_remove_network(wpa_s->conf,
4093 persistent_go->id);
4094 /* Save config */
4095 }
4096
4097 wpa_msg_global(wpa_s, MSG_INFO,
4098 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
4099 " status=%d"
4100 " adv_id=%x adv_mac=" MACSTR
4101 " session=%x mac=" MACSTR
88f3d7c9 4102 " persist=%d%s",
5fefce27
KV
4103 MAC2STR(dev), status,
4104 adv_id, MAC2STR(adv_mac),
88f3d7c9 4105 ses_id, MAC2STR(ses_mac), s->id, feat_cap_str);
5fefce27
KV
4106 return;
4107 }
4108
4109 if (conncap == P2PS_SETUP_GROUP_OWNER) {
23bb9828
AO
4110 /*
4111 * We need to copy the interface name. Simply saving a
4112 * pointer isn't enough, since if we use pending_interface_name
4113 * it will be overwritten when the group is added.
4114 */
4115 char go_ifname[100];
4116
4117 go_ifname[0] = '\0';
5fefce27
KV
4118 if (!go_wpa_s) {
4119 wpa_s->global->pending_p2ps_group = 1;
8bb8e6ed 4120 wpa_s->global->pending_p2ps_group_freq = freq;
5fefce27 4121
a698d6c8 4122 if (!wpas_p2p_create_iface(wpa_s))
23bb9828
AO
4123 os_memcpy(go_ifname, wpa_s->ifname,
4124 sizeof(go_ifname));
5fefce27 4125 else if (wpa_s->pending_interface_name[0])
23bb9828
AO
4126 os_memcpy(go_ifname,
4127 wpa_s->pending_interface_name,
4128 sizeof(go_ifname));
5fefce27 4129
23bb9828 4130 if (!go_ifname[0]) {
5fefce27
KV
4131 wpas_p2ps_prov_complete(
4132 wpa_s, P2P_SC_FAIL_UNKNOWN_GROUP,
4133 dev, adv_mac, ses_mac,
2a098e36 4134 grp_mac, adv_id, ses_id, 0, 0,
aa256cb3
JM
4135 NULL, 0, 0, 0, NULL, NULL, 0, 0,
4136 NULL, 0);
5fefce27
KV
4137 return;
4138 }
4139
4140 /* If PD Resp complete, start up the GO */
4141 if (response_done && persistent_go) {
4142 wpas_p2p_group_add_persistent(
4143 wpa_s, persistent_go,
c27f4c90 4144 0, 0, freq, 0, 0, 0, 0, NULL,
5fefce27
KV
4145 persistent_go->mode ==
4146 WPAS_MODE_P2P_GO ?
4147 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE :
dfaf11d6 4148 0, 0);
5fefce27 4149 } else if (response_done) {
c27f4c90 4150 wpas_p2p_group_add(wpa_s, 1, freq, 0, 0, 0, 0);
5fefce27 4151 }
306aaf49
KV
4152
4153 if (passwd_id == DEV_PW_P2PS_DEFAULT) {
b9da88d6
AO
4154 os_memcpy(wpa_s->p2ps_join_addr, grp_mac,
4155 ETH_ALEN);
4156 wpa_s->p2ps_method_config_any = 1;
306aaf49 4157 }
5fefce27 4158 } else if (passwd_id == DEV_PW_P2PS_DEFAULT) {
23bb9828
AO
4159 os_memcpy(go_ifname, go_wpa_s->ifname,
4160 sizeof(go_ifname));
5fefce27 4161
b9da88d6
AO
4162 if (is_zero_ether_addr(grp_mac)) {
4163 wpa_dbg(go_wpa_s, MSG_DEBUG,
4164 "P2P: Setting PIN-1 for ANY");
4165 wpa_supplicant_ap_wps_pin(go_wpa_s, NULL,
4166 "12345670", NULL, 0,
4167 0);
4168 } else {
4169 wpa_dbg(go_wpa_s, MSG_DEBUG,
4170 "P2P: Setting PIN-1 for " MACSTR,
4171 MAC2STR(grp_mac));
4172 wpa_supplicant_ap_wps_pin(go_wpa_s, grp_mac,
4173 "12345670", NULL, 0,
4174 0);
4175 }
306aaf49 4176
b9da88d6
AO
4177 os_memcpy(wpa_s->p2ps_join_addr, grp_mac, ETH_ALEN);
4178 wpa_s->p2ps_method_config_any = 1;
5fefce27
KV
4179 }
4180
4181 wpa_msg_global(wpa_s, MSG_INFO,
4182 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
4183 " status=%d conncap=%x"
4184 " adv_id=%x adv_mac=" MACSTR
4185 " session=%x mac=" MACSTR
88f3d7c9 4186 " dev_passwd_id=%d go=%s%s",
5fefce27
KV
4187 MAC2STR(dev), status, conncap,
4188 adv_id, MAC2STR(adv_mac),
4189 ses_id, MAC2STR(ses_mac),
88f3d7c9 4190 passwd_id, go_ifname, feat_cap_str);
5fefce27
KV
4191 return;
4192 }
4193
4194 if (go_wpa_s && !p2p_group_go_member_count(wpa_s))
4195 wpas_p2p_group_remove(wpa_s, go_wpa_s->ifname);
4196
4197 if (persistent_go && !persistent_go->num_p2p_clients) {
4198 /* remove empty persistent GO */
4199 wpa_config_remove_network(wpa_s->conf, persistent_go->id);
4200 }
4201
4202 if (conncap == P2PS_SETUP_CLIENT) {
aa256cb3
JM
4203 char ssid_hex[32 * 2 + 1];
4204
4205 if (group_ssid)
4206 wpa_snprintf_hex(ssid_hex, sizeof(ssid_hex),
4207 group_ssid, group_ssid_len);
4208 else
4209 ssid_hex[0] = '\0';
5fefce27
KV
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
aa256cb3 4215 " dev_passwd_id=%d join=" MACSTR "%s%s%s",
5fefce27
KV
4216 MAC2STR(dev), status, conncap,
4217 adv_id, MAC2STR(adv_mac),
4218 ses_id, MAC2STR(ses_mac),
aa256cb3
JM
4219 passwd_id, MAC2STR(grp_mac), feat_cap_str,
4220 group_ssid ? " group_ssid=" : "", ssid_hex);
5fefce27
KV
4221 } else {
4222 wpa_msg_global(wpa_s, MSG_INFO,
4223 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
4224 " status=%d conncap=%x"
4225 " adv_id=%x adv_mac=" MACSTR
4226 " session=%x mac=" MACSTR
88f3d7c9 4227 " dev_passwd_id=%d%s",
5fefce27
KV
4228 MAC2STR(dev), status, conncap,
4229 adv_id, MAC2STR(adv_mac),
4230 ses_id, MAC2STR(ses_mac),
88f3d7c9 4231 passwd_id, feat_cap_str);
5fefce27
KV
4232 }
4233}
4234
4235
0f1034e3
SD
4236static int _wpas_p2p_in_progress(void *ctx)
4237{
4238 struct wpa_supplicant *wpa_s = ctx;
4239 return wpas_p2p_in_progress(wpa_s);
4240}
4241
4242
9a58e521
KV
4243static int wpas_prov_disc_resp_cb(void *ctx)
4244{
4245 struct wpa_supplicant *wpa_s = ctx;
4246 struct wpa_ssid *persistent_go;
8bb8e6ed 4247 unsigned int freq;
9a58e521
KV
4248
4249 if (!wpa_s->global->pending_p2ps_group)
4250 return 0;
4251
8bb8e6ed
IP
4252 freq = wpa_s->global->pending_p2ps_group_freq;
4253 wpa_s->global->pending_p2ps_group_freq = 0;
9a58e521
KV
4254 wpa_s->global->pending_p2ps_group = 0;
4255
4256 if (wpas_p2p_get_go_group(wpa_s))
4257 return 0;
4258 persistent_go = wpas_p2p_get_persistent_go(wpa_s);
4259
4260 if (persistent_go) {
4261 wpas_p2p_group_add_persistent(
c27f4c90 4262 wpa_s, persistent_go, 0, 0, 0, 0, 0, 0, 0, NULL,
9a58e521 4263 persistent_go->mode == WPAS_MODE_P2P_GO ?
dfaf11d6 4264 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE : 0, 0);
9a58e521 4265 } else {
c27f4c90 4266 wpas_p2p_group_add(wpa_s, 1, freq, 0, 0, 0, 0);
9a58e521
KV
4267 }
4268
4269 return 1;
4270}
4271
4272
fc71f7d9
AK
4273static int wpas_p2p_get_pref_freq_list(void *ctx, int go,
4274 unsigned int *len,
4275 unsigned int *freq_list)
4276{
4277 struct wpa_supplicant *wpa_s = ctx;
4278
4279 return wpa_drv_get_pref_freq_list(wpa_s, go ? WPA_IF_P2P_GO :
4280 WPA_IF_P2P_CLIENT, len, freq_list);
4281}
4282
4283
b22128ef
JM
4284/**
4285 * wpas_p2p_init - Initialize P2P module for %wpa_supplicant
4286 * @global: Pointer to global data from wpa_supplicant_init()
4287 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4288 * Returns: 0 on success, -1 on failure
4289 */
4290int wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s)
4291{
4292 struct p2p_config p2p;
f95cac27 4293 int i;
b22128ef 4294
f2b3f4de
SS
4295 if (wpa_s->conf->p2p_disabled)
4296 return 0;
4297
b22128ef
JM
4298 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
4299 return 0;
4300
b22128ef
JM
4301 if (global->p2p)
4302 return 0;
4303
4304 os_memset(&p2p, 0, sizeof(p2p));
b22128ef 4305 p2p.cb_ctx = wpa_s;
ed496f13 4306 p2p.debug_print = wpas_p2p_debug_print;
b22128ef
JM
4307 p2p.p2p_scan = wpas_p2p_scan;
4308 p2p.send_action = wpas_send_action;
4309 p2p.send_action_done = wpas_send_action_done;
4310 p2p.go_neg_completed = wpas_go_neg_completed;
4311 p2p.go_neg_req_rx = wpas_go_neg_req_rx;
4312 p2p.dev_found = wpas_dev_found;
56eeb8f2 4313 p2p.dev_lost = wpas_dev_lost;
710ae9ac 4314 p2p.find_stopped = wpas_find_stopped;
b22128ef
JM
4315 p2p.start_listen = wpas_start_listen;
4316 p2p.stop_listen = wpas_stop_listen;
4317 p2p.send_probe_resp = wpas_send_probe_resp;
4318 p2p.sd_request = wpas_sd_request;
4319 p2p.sd_response = wpas_sd_response;
4320 p2p.prov_disc_req = wpas_prov_disc_req;
4321 p2p.prov_disc_resp = wpas_prov_disc_resp;
dd8a7e05 4322 p2p.prov_disc_fail = wpas_prov_disc_fail;
b22128ef
JM
4323 p2p.invitation_process = wpas_invitation_process;
4324 p2p.invitation_received = wpas_invitation_received;
4325 p2p.invitation_result = wpas_invitation_result;
4326 p2p.get_noa = wpas_get_noa;
b1aebbc4 4327 p2p.go_connected = wpas_go_connected;
c64e3a08 4328 p2p.presence_resp = wpas_presence_resp;
a2d63657 4329 p2p.is_concurrent_session_active = wpas_is_concurrent_session_active;
0f1034e3 4330 p2p.is_p2p_in_progress = _wpas_p2p_in_progress;
369678ad
KV
4331 p2p.get_persistent_group = wpas_get_persistent_group;
4332 p2p.get_go_info = wpas_get_go_info;
895d94de 4333 p2p.remove_stale_groups = wpas_remove_stale_groups;
5fefce27 4334 p2p.p2ps_prov_complete = wpas_p2ps_prov_complete;
9a58e521 4335 p2p.prov_disc_resp_cb = wpas_prov_disc_resp_cb;
1300cc8e 4336 p2p.p2ps_group_capability = p2ps_group_capability;
fc71f7d9 4337 p2p.get_pref_freq_list = wpas_p2p_get_pref_freq_list;
b22128ef
JM
4338
4339 os_memcpy(wpa_s->global->p2p_dev_addr, wpa_s->own_addr, ETH_ALEN);
d7e70476 4340 os_memcpy(p2p.dev_addr, wpa_s->global->p2p_dev_addr, ETH_ALEN);
b22128ef 4341 p2p.dev_name = wpa_s->conf->device_name;
b6e01800
JM
4342 p2p.manufacturer = wpa_s->conf->manufacturer;
4343 p2p.model_name = wpa_s->conf->model_name;
4344 p2p.model_number = wpa_s->conf->model_number;
4345 p2p.serial_number = wpa_s->conf->serial_number;
4346 if (wpa_s->wps) {
4347 os_memcpy(p2p.uuid, wpa_s->wps->uuid, 16);
4348 p2p.config_methods = wpa_s->wps->config_methods;
4349 }
b22128ef 4350
1595eb93
AM
4351 if (wpas_p2p_setup_channels(wpa_s, &p2p.channels, &p2p.cli_channels)) {
4352 wpa_printf(MSG_ERROR,
4353 "P2P: Failed to configure supported channel list");
4354 return -1;
4355 }
4356
b22128ef
JM
4357 if (wpa_s->conf->p2p_listen_reg_class &&
4358 wpa_s->conf->p2p_listen_channel) {
4359 p2p.reg_class = wpa_s->conf->p2p_listen_reg_class;
4360 p2p.channel = wpa_s->conf->p2p_listen_channel;
e3bd6e9d 4361 p2p.channel_forced = 1;
b22128ef 4362 } else {
b22128ef
JM
4363 /*
4364 * Pick one of the social channels randomly as the listen
4365 * channel.
4366 */
1595eb93
AM
4367 if (p2p_config_get_random_social(&p2p, &p2p.reg_class,
4368 &p2p.channel) != 0) {
5678a2d8
JM
4369 wpa_printf(MSG_INFO,
4370 "P2P: No social channels supported by the driver - do not enable P2P");
4371 return 0;
1595eb93 4372 }
e3bd6e9d 4373 p2p.channel_forced = 0;
b22128ef 4374 }
1595eb93
AM
4375 wpa_printf(MSG_DEBUG, "P2P: Own listen channel: %d:%d",
4376 p2p.reg_class, p2p.channel);
b22128ef
JM
4377
4378 if (wpa_s->conf->p2p_oper_reg_class &&
4379 wpa_s->conf->p2p_oper_channel) {
4380 p2p.op_reg_class = wpa_s->conf->p2p_oper_reg_class;
4381 p2p.op_channel = wpa_s->conf->p2p_oper_channel;
7cfc4ac3
AGS
4382 p2p.cfg_op_channel = 1;
4383 wpa_printf(MSG_DEBUG, "P2P: Configured operating channel: "
4384 "%d:%d", p2p.op_reg_class, p2p.op_channel);
4385
b22128ef 4386 } else {
b22128ef 4387 /*
1595eb93
AM
4388 * Use random operation channel from 2.4 GHz band social
4389 * channels (1, 6, 11) or band 60 GHz social channel (2) if no
4390 * other preference is indicated.
b22128ef 4391 */
1595eb93
AM
4392 if (p2p_config_get_random_social(&p2p, &p2p.op_reg_class,
4393 &p2p.op_channel) != 0) {
4394 wpa_printf(MSG_ERROR,
4395 "P2P: Failed to select random social channel as operation channel");
df2508d7 4396 return -1;
1595eb93 4397 }
7cfc4ac3
AGS
4398 p2p.cfg_op_channel = 0;
4399 wpa_printf(MSG_DEBUG, "P2P: Random operating channel: "
4400 "%d:%d", p2p.op_reg_class, p2p.op_channel);
b22128ef 4401 }
010b5f9b
YW
4402
4403 if (wpa_s->conf->p2p_pref_chan && wpa_s->conf->num_p2p_pref_chan) {
4404 p2p.pref_chan = wpa_s->conf->p2p_pref_chan;
4405 p2p.num_pref_chan = wpa_s->conf->num_p2p_pref_chan;
4406 }
4407
b22128ef
JM
4408 if (wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
4409 os_memcpy(p2p.country, wpa_s->conf->country, 2);
4410 p2p.country[2] = 0x04;
4411 } else
aaca6505 4412 os_memcpy(p2p.country, "XX\x04", 3);
b22128ef 4413
2f646b6e
JB
4414 os_memcpy(p2p.pri_dev_type, wpa_s->conf->device_type,
4415 WPS_DEV_TYPE_LEN);
b22128ef 4416
2f646b6e
JB
4417 p2p.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
4418 os_memcpy(p2p.sec_dev_type, wpa_s->conf->sec_device_type,
4419 p2p.num_sec_dev_types * WPS_DEV_TYPE_LEN);
b22128ef
JM
4420
4421 p2p.concurrent_operations = !!(wpa_s->drv_flags &
4422 WPA_DRIVER_FLAGS_P2P_CONCURRENT);
4423
de979d8f 4424 p2p.max_peers = 100;
b22128ef
JM
4425
4426 if (wpa_s->conf->p2p_ssid_postfix) {
4427 p2p.ssid_postfix_len =
4428 os_strlen(wpa_s->conf->p2p_ssid_postfix);
4429 if (p2p.ssid_postfix_len > sizeof(p2p.ssid_postfix))
4430 p2p.ssid_postfix_len = sizeof(p2p.ssid_postfix);
4431 os_memcpy(p2p.ssid_postfix, wpa_s->conf->p2p_ssid_postfix,
4432 p2p.ssid_postfix_len);
4433 }
4434
0f66abd2
SS
4435 p2p.p2p_intra_bss = wpa_s->conf->p2p_intra_bss;
4436
96beff11
JM
4437 p2p.max_listen = wpa_s->max_remain_on_chan;
4438
1b928f96
JM
4439 if (wpa_s->conf->p2p_passphrase_len >= 8 &&
4440 wpa_s->conf->p2p_passphrase_len <= 63)
4441 p2p.passphrase_len = wpa_s->conf->p2p_passphrase_len;
4442 else
4443 p2p.passphrase_len = 8;
4444
b22128ef
JM
4445 global->p2p = p2p_init(&p2p);
4446 if (global->p2p == NULL)
4447 return -1;
ab28911d 4448 global->p2p_init_wpa_s = wpa_s;
b22128ef 4449
f95cac27
JMB
4450 for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) {
4451 if (wpa_s->conf->wps_vendor_ext[i] == NULL)
4452 continue;
4453 p2p_add_wps_vendor_extension(
4454 global->p2p, wpa_s->conf->wps_vendor_ext[i]);
4455 }
4456
556b30da
JM
4457 p2p_set_no_go_freq(global->p2p, &wpa_s->conf->p2p_no_go_freq);
4458
b22128ef
JM
4459 return 0;
4460}
4461
4462
4463/**
4464 * wpas_p2p_deinit - Deinitialize per-interface P2P data
4465 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4466 *
4467 * This function deinitialize per-interface P2P data.
4468 */
4469void wpas_p2p_deinit(struct wpa_supplicant *wpa_s)
4470{
4471 if (wpa_s->driver && wpa_s->drv_priv)
4472 wpa_drv_probe_req_report(wpa_s, 0);
ec437d9e
JJ
4473
4474 if (wpa_s->go_params) {
4475 /* Clear any stored provisioning info */
4476 p2p_clear_provisioning_info(
4477 wpa_s->global->p2p,
10531d21 4478 wpa_s->go_params->peer_device_addr);
ec437d9e
JJ
4479 }
4480
b22128ef
JM
4481 os_free(wpa_s->go_params);
4482 wpa_s->go_params = NULL;
fb2ac53d 4483 eloop_cancel_timeout(wpas_p2p_psk_failure_removal, wpa_s, NULL);
b22128ef 4484 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
ef922c4a 4485 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
b22128ef
JM
4486 wpa_s->p2p_long_listen = 0;
4487 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
3071e181 4488 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
b22128ef 4489 wpas_p2p_remove_pending_group_interface(wpa_s);
8567866d 4490 eloop_cancel_timeout(wpas_p2p_group_freq_conflict, wpa_s, NULL);
e1d1c8e2 4491 wpas_p2p_listen_work_done(wpa_s);
e05e1308
JM
4492 if (wpa_s->p2p_send_action_work) {
4493 os_free(wpa_s->p2p_send_action_work->ctx);
4494 radio_work_done(wpa_s->p2p_send_action_work);
4495 wpa_s->p2p_send_action_work = NULL;
4496 }
4497 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout, wpa_s, NULL);
b22128ef 4498
db6ae69e
JM
4499 wpabuf_free(wpa_s->p2p_oob_dev_pw);
4500 wpa_s->p2p_oob_dev_pw = NULL;
4501
20beb96f
IP
4502 os_free(wpa_s->p2p_group_common_freqs);
4503 wpa_s->p2p_group_common_freqs = NULL;
4504 wpa_s->p2p_group_common_freqs_num = 0;
4505
b22128ef
JM
4506 /* TODO: remove group interface from the driver if this wpa_s instance
4507 * is on top of a P2P group interface */
4508}
4509
4510
4511/**
4512 * wpas_p2p_deinit_global - Deinitialize global P2P module
4513 * @global: Pointer to global data from wpa_supplicant_init()
4514 *
4515 * This function deinitializes the global (per device) P2P module.
4516 */
bd10d938 4517static void wpas_p2p_deinit_global(struct wpa_global *global)
b22128ef
JM
4518{
4519 struct wpa_supplicant *wpa_s, *tmp;
b22128ef 4520
bf428a73 4521 wpa_s = global->ifaces;
ee285df4
EA
4522
4523 wpas_p2p_service_flush(global->p2p_init_wpa_s);
bf428a73 4524
b22128ef 4525 /* Remove remaining P2P group interfaces */
b22128ef
JM
4526 while (wpa_s && wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE)
4527 wpa_s = wpa_s->next;
4528 while (wpa_s) {
b22128ef
JM
4529 tmp = global->ifaces;
4530 while (tmp &&
4531 (tmp == wpa_s ||
4532 tmp->p2p_group_interface == NOT_P2P_GROUP_INTERFACE)) {
4533 tmp = tmp->next;
4534 }
4535 if (tmp == NULL)
4536 break;
103b8f4d
NS
4537 /* Disconnect from the P2P group and deinit the interface */
4538 wpas_p2p_disconnect(tmp);
b22128ef
JM
4539 }
4540
743ef799
JM
4541 /*
4542 * Deinit GO data on any possibly remaining interface (if main
4543 * interface is used as GO).
4544 */
4545 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
4546 if (wpa_s->ap_iface)
4547 wpas_p2p_group_deinit(wpa_s);
4548 }
4549
b22128ef
JM
4550 p2p_deinit(global->p2p);
4551 global->p2p = NULL;
ab28911d 4552 global->p2p_init_wpa_s = NULL;
b22128ef
JM
4553}
4554
4555
4556static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s)
4557{
96a26ab7 4558 if (wpa_s->conf->p2p_no_group_iface)
d76cd41a 4559 return 0; /* separate interface disabled per configuration */
971e357f
JM
4560 if (wpa_s->drv_flags &
4561 (WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE |
4562 WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P))
b22128ef
JM
4563 return 1; /* P2P group requires a new interface in every case
4564 */
4565 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CONCURRENT))
4566 return 0; /* driver does not support concurrent operations */
4567 if (wpa_s->global->ifaces->next)
4568 return 1; /* more that one interface already in use */
4569 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
4570 return 1; /* this interface is already in use */
4571 return 0;
4572}
4573
4574
4575static int wpas_p2p_start_go_neg(struct wpa_supplicant *wpa_s,
4576 const u8 *peer_addr,
4577 enum p2p_wps_method wps_method,
4578 int go_intent, const u8 *own_interface_addr,
23c84252 4579 unsigned int force_freq, int persistent_group,
04a3e69d 4580 struct wpa_ssid *ssid, unsigned int pref_freq)
b22128ef 4581{
acc247b2
JM
4582 if (persistent_group && wpa_s->conf->persistent_reconnect)
4583 persistent_group = 2;
4584
4f219667
JM
4585 /*
4586 * Increase GO config timeout if HT40 is used since it takes some time
4587 * to scan channels for coex purposes before the BSS can be started.
4588 */
4589 p2p_set_config_timeout(wpa_s->global->p2p,
4590 wpa_s->p2p_go_ht40 ? 255 : 100, 20);
4591
b22128ef
JM
4592 return p2p_connect(wpa_s->global->p2p, peer_addr, wps_method,
4593 go_intent, own_interface_addr, force_freq,
23c84252 4594 persistent_group, ssid ? ssid->ssid : NULL,
3bc462cb 4595 ssid ? ssid->ssid_len : 0,
db6ae69e
JM
4596 wpa_s->p2p_pd_before_go_neg, pref_freq,
4597 wps_method == WPS_NFC ? wpa_s->p2p_oob_dev_pw_id :
4598 0);
b22128ef
JM
4599}
4600
4601
4602static int wpas_p2p_auth_go_neg(struct wpa_supplicant *wpa_s,
4603 const u8 *peer_addr,
4604 enum p2p_wps_method wps_method,
4605 int go_intent, const u8 *own_interface_addr,
23c84252 4606 unsigned int force_freq, int persistent_group,
04a3e69d 4607 struct wpa_ssid *ssid, unsigned int pref_freq)
b22128ef 4608{
acc247b2
JM
4609 if (persistent_group && wpa_s->conf->persistent_reconnect)
4610 persistent_group = 2;
4611
b22128ef
JM
4612 return p2p_authorize(wpa_s->global->p2p, peer_addr, wps_method,
4613 go_intent, own_interface_addr, force_freq,
23c84252 4614 persistent_group, ssid ? ssid->ssid : NULL,
db6ae69e
JM
4615 ssid ? ssid->ssid_len : 0, pref_freq,
4616 wps_method == WPS_NFC ? wpa_s->p2p_oob_dev_pw_id :
4617 0);
b22128ef
JM
4618}
4619
4620
9b1ab931
JM
4621static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant *wpa_s)
4622{
4623 wpa_s->p2p_join_scan_count++;
4624 wpa_printf(MSG_DEBUG, "P2P: Join scan attempt %d",
4625 wpa_s->p2p_join_scan_count);
4626 if (wpa_s->p2p_join_scan_count > P2P_MAX_JOIN_SCAN_ATTEMPTS) {
4627 wpa_printf(MSG_DEBUG, "P2P: Failed to find GO " MACSTR
4628 " for join operationg - stop join attempt",
4629 MAC2STR(wpa_s->pending_join_iface_addr));
4630 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
0918c4bf
JM
4631 if (wpa_s->p2p_auto_pd) {
4632 wpa_s->p2p_auto_pd = 0;
92c4465b
JM
4633 wpa_msg_global(wpa_s, MSG_INFO,
4634 P2P_EVENT_PROV_DISC_FAILURE
4635 " p2p_dev_addr=" MACSTR " status=N/A",
4636 MAC2STR(wpa_s->pending_join_dev_addr));
0918c4bf
JM
4637 return;
4638 }
ba307f85 4639 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
92c4465b 4640 P2P_EVENT_GROUP_FORMATION_FAILURE);
2a95fac9 4641 wpas_notify_p2p_group_formation_failure(wpa_s, "");
9b1ab931
JM
4642 }
4643}
4644
4645
4b156206
JM
4646static int wpas_check_freq_conflict(struct wpa_supplicant *wpa_s, int freq)
4647{
a0c90bb0
IP
4648 int res;
4649 unsigned int num, i;
4650 struct wpa_used_freq_data *freqs;
4b156206 4651
0d08efa4
IP
4652 if (wpas_p2p_num_unused_channels(wpa_s) > 0) {
4653 /* Multiple channels are supported and not all are in use */
4b156206 4654 return 0;
0d08efa4 4655 }
4b156206 4656
a0c90bb0
IP
4657 freqs = os_calloc(wpa_s->num_multichan_concurrent,
4658 sizeof(struct wpa_used_freq_data));
0d08efa4
IP
4659 if (!freqs)
4660 return 1;
86ae2e8a 4661
0d08efa4
IP
4662 num = wpas_p2p_valid_oper_freqs(wpa_s, freqs,
4663 wpa_s->num_multichan_concurrent);
4b156206 4664
0d08efa4 4665 for (i = 0; i < num; i++) {
a0c90bb0 4666 if (freqs[i].freq == freq) {
0d08efa4
IP
4667 wpa_printf(MSG_DEBUG, "P2P: Frequency %d MHz in use by another virtual interface and can be used",
4668 freq);
4669 res = 0;
4670 goto exit_free;
4671 }
4b156206
JM
4672 }
4673
a0c90bb0 4674 wpa_printf(MSG_DEBUG, "P2P: No valid operating frequencies");
0d08efa4
IP
4675 res = 1;
4676
4677exit_free:
4678 os_free(freqs);
4679 return res;
4b156206
JM
4680}
4681
4682
b31be3a0
JM
4683static int wpas_p2p_peer_go(struct wpa_supplicant *wpa_s,
4684 const u8 *peer_dev_addr)
4685{
4686 struct wpa_bss *bss;
4687 int updated;
4688
4689 bss = wpa_bss_get_p2p_dev_addr(wpa_s, peer_dev_addr);
4690 if (bss == NULL)
aa9bb764 4691 return -1;
b31be3a0
JM
4692 if (bss->last_update_idx < wpa_s->bss_update_idx) {
4693 wpa_printf(MSG_DEBUG, "P2P: Peer BSS entry not updated in the "
4694 "last scan");
4695 return 0;
4696 }
4697
acb69cec
JB
4698 updated = os_reltime_before(&wpa_s->p2p_auto_started,
4699 &bss->last_update);
b31be3a0
JM
4700 wpa_printf(MSG_DEBUG, "P2P: Current BSS entry for peer updated at "
4701 "%ld.%06ld (%supdated in last scan)",
4702 bss->last_update.sec, bss->last_update.usec,
4703 updated ? "": "not ");
4704
4705 return updated;
4706}
4707
4708
ef922c4a
JM
4709static void wpas_p2p_scan_res_join(struct wpa_supplicant *wpa_s,
4710 struct wpa_scan_results *scan_res)
b22128ef 4711{
c48414af 4712 struct wpa_bss *bss = NULL;
f8d0131a 4713 int freq;
54960629 4714 u8 iface_addr[ETH_ALEN];
b22128ef 4715
ef922c4a 4716 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
b22128ef 4717
ef922c4a
JM
4718 if (wpa_s->global->p2p_disabled)
4719 return;
b22128ef 4720
b31be3a0
JM
4721 wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS) for %sjoin",
4722 scan_res ? (int) scan_res->num : -1,
4723 wpa_s->p2p_auto_join ? "auto_" : "");
ef922c4a
JM
4724
4725 if (scan_res)
4726 wpas_p2p_scan_res_handler(wpa_s, scan_res);
b22128ef 4727
0918c4bf
JM
4728 if (wpa_s->p2p_auto_pd) {
4729 int join = wpas_p2p_peer_go(wpa_s,
4730 wpa_s->pending_join_dev_addr);
84286a22
SDU
4731 if (join == 0 &&
4732 wpa_s->auto_pd_scan_retry < P2P_AUTO_PD_SCAN_ATTEMPTS) {
4733 wpa_s->auto_pd_scan_retry++;
702621e6
JM
4734 bss = wpa_bss_get_bssid_latest(
4735 wpa_s, wpa_s->pending_join_dev_addr);
84286a22
SDU
4736 if (bss) {
4737 freq = bss->freq;
4738 wpa_printf(MSG_DEBUG, "P2P: Scan retry %d for "
4739 "the peer " MACSTR " at %d MHz",
4740 wpa_s->auto_pd_scan_retry,
4741 MAC2STR(wpa_s->
4742 pending_join_dev_addr),
4743 freq);
c48414af 4744 wpas_p2p_join_scan_req(wpa_s, freq, NULL, 0);
84286a22
SDU
4745 return;
4746 }
4747 }
4748
aa9bb764
JM
4749 if (join < 0)
4750 join = 0;
84286a22 4751
0918c4bf
JM
4752 wpa_s->p2p_auto_pd = 0;
4753 wpa_s->pending_pd_use = join ? AUTO_PD_JOIN : AUTO_PD_GO_NEG;
4754 wpa_printf(MSG_DEBUG, "P2P: Auto PD with " MACSTR " join=%d",
4755 MAC2STR(wpa_s->pending_join_dev_addr), join);
4756 if (p2p_prov_disc_req(wpa_s->global->p2p,
369678ad 4757 wpa_s->pending_join_dev_addr, NULL,
0918c4bf 4758 wpa_s->pending_pd_config_methods, join,
67527166 4759 0, wpa_s->user_initiated_pd) < 0) {
0918c4bf 4760 wpa_s->p2p_auto_pd = 0;
92c4465b
JM
4761 wpa_msg_global(wpa_s, MSG_INFO,
4762 P2P_EVENT_PROV_DISC_FAILURE
4763 " p2p_dev_addr=" MACSTR " status=N/A",
4764 MAC2STR(wpa_s->pending_join_dev_addr));
0918c4bf
JM
4765 }
4766 return;
4767 }
4768
b31be3a0 4769 if (wpa_s->p2p_auto_join) {
aa9bb764
JM
4770 int join = wpas_p2p_peer_go(wpa_s,
4771 wpa_s->pending_join_dev_addr);
4772 if (join < 0) {
b31be3a0
JM
4773 wpa_printf(MSG_DEBUG, "P2P: Peer was not found to be "
4774 "running a GO -> use GO Negotiation");
ba307f85 4775 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
6b005121
JM
4776 P2P_EVENT_FALLBACK_TO_GO_NEG
4777 "reason=peer-not-running-GO");
b31be3a0
JM
4778 wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr,
4779 wpa_s->p2p_pin, wpa_s->p2p_wps_method,
4780 wpa_s->p2p_persistent_group, 0, 0, 0,
4781 wpa_s->p2p_go_intent,
23c84252 4782 wpa_s->p2p_connect_freq,
c27f4c90 4783 wpa_s->p2p_go_vht_center_freq2,
3bc462cb 4784 wpa_s->p2p_persistent_id,
e2308e4b 4785 wpa_s->p2p_pd_before_go_neg,
20ea1ca4 4786 wpa_s->p2p_go_ht40,
c27f4c90 4787 wpa_s->p2p_go_vht,
70e0cb33
JM
4788 wpa_s->p2p_go_max_oper_chwidth,
4789 NULL, 0);
b31be3a0
JM
4790 return;
4791 }
4792
aa9bb764
JM
4793 wpa_printf(MSG_DEBUG, "P2P: Peer was found running GO%s -> "
4794 "try to join the group", join ? "" :
4795 " in older scan");
6b005121 4796 if (!join) {
ba307f85 4797 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
6b005121 4798 P2P_EVENT_FALLBACK_TO_GO_NEG_ENABLED);
aa9bb764 4799 wpa_s->p2p_fallback_to_go_neg = 1;
6b005121 4800 }
b31be3a0
JM
4801 }
4802
f8d0131a
JM
4803 freq = p2p_get_oper_freq(wpa_s->global->p2p,
4804 wpa_s->pending_join_iface_addr);
54960629
AL
4805 if (freq < 0 &&
4806 p2p_get_interface_addr(wpa_s->global->p2p,
4807 wpa_s->pending_join_dev_addr,
4808 iface_addr) == 0 &&
4e536751
CM
4809 os_memcmp(iface_addr, wpa_s->pending_join_dev_addr, ETH_ALEN) != 0
4810 && !wpa_bss_get_bssid(wpa_s, wpa_s->pending_join_iface_addr)) {
54960629
AL
4811 wpa_printf(MSG_DEBUG, "P2P: Overwrite pending interface "
4812 "address for join from " MACSTR " to " MACSTR
4813 " based on newly discovered P2P peer entry",
4814 MAC2STR(wpa_s->pending_join_iface_addr),
4815 MAC2STR(iface_addr));
4816 os_memcpy(wpa_s->pending_join_iface_addr, iface_addr,
4817 ETH_ALEN);
4818
4819 freq = p2p_get_oper_freq(wpa_s->global->p2p,
4820 wpa_s->pending_join_iface_addr);
4821 }
f8d0131a
JM
4822 if (freq >= 0) {
4823 wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency "
4824 "from P2P peer table: %d MHz", freq);
4825 }
c48414af
JM
4826 if (wpa_s->p2p_join_ssid_len) {
4827 wpa_printf(MSG_DEBUG, "P2P: Trying to find target GO BSS entry based on BSSID "
4828 MACSTR " and SSID %s",
4829 MAC2STR(wpa_s->pending_join_iface_addr),
4830 wpa_ssid_txt(wpa_s->p2p_join_ssid,
4831 wpa_s->p2p_join_ssid_len));
4832 bss = wpa_bss_get(wpa_s, wpa_s->pending_join_iface_addr,
4833 wpa_s->p2p_join_ssid,
4834 wpa_s->p2p_join_ssid_len);
438be601 4835 } else if (!bss) {
c48414af
JM
4836 wpa_printf(MSG_DEBUG, "P2P: Trying to find target GO BSS entry based on BSSID "
4837 MACSTR, MAC2STR(wpa_s->pending_join_iface_addr));
4838 bss = wpa_bss_get_bssid_latest(wpa_s,
4839 wpa_s->pending_join_iface_addr);
4840 }
b22128ef 4841 if (bss) {
e6012e83
JM
4842 u8 dev_addr[ETH_ALEN];
4843
f8d0131a
JM
4844 freq = bss->freq;
4845 wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency "
d2858883
JM
4846 "from BSS table: %d MHz (SSID %s)", freq,
4847 wpa_ssid_txt(bss->ssid, bss->ssid_len));
e6012e83
JM
4848 if (p2p_parse_dev_addr((const u8 *) (bss + 1), bss->ie_len,
4849 dev_addr) == 0 &&
4850 os_memcmp(wpa_s->pending_join_dev_addr,
4851 wpa_s->pending_join_iface_addr, ETH_ALEN) == 0 &&
4852 os_memcmp(dev_addr, wpa_s->pending_join_dev_addr,
4853 ETH_ALEN) != 0) {
4854 wpa_printf(MSG_DEBUG,
4855 "P2P: Update target GO device address based on BSS entry: " MACSTR " (was " MACSTR ")",
4856 MAC2STR(dev_addr),
4857 MAC2STR(wpa_s->pending_join_dev_addr));
4858 os_memcpy(wpa_s->pending_join_dev_addr, dev_addr,
4859 ETH_ALEN);
4860 }
f8d0131a
JM
4861 }
4862 if (freq > 0) {
b22128ef
JM
4863 u16 method;
4864
4b156206 4865 if (wpas_check_freq_conflict(wpa_s, freq) > 0) {
ba307f85 4866 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
92c4465b
JM
4867 P2P_EVENT_GROUP_FORMATION_FAILURE
4868 "reason=FREQ_CONFLICT");
2a95fac9
NC
4869 wpas_notify_p2p_group_formation_failure(
4870 wpa_s, "FREQ_CONFLICT");
4b156206
JM
4871 return;
4872 }
4873
b22128ef
JM
4874 wpa_printf(MSG_DEBUG, "P2P: Send Provision Discovery Request "
4875 "prior to joining an existing group (GO " MACSTR
4876 " freq=%u MHz)",
f8d0131a 4877 MAC2STR(wpa_s->pending_join_dev_addr), freq);
b22128ef
JM
4878 wpa_s->pending_pd_before_join = 1;
4879
ef922c4a 4880 switch (wpa_s->pending_join_wps_method) {
b22128ef
JM
4881 case WPS_PIN_DISPLAY:
4882 method = WPS_CONFIG_KEYPAD;
4883 break;
4884 case WPS_PIN_KEYPAD:
4885 method = WPS_CONFIG_DISPLAY;
4886 break;
4887 case WPS_PBC:
4888 method = WPS_CONFIG_PUSHBUTTON;
4889 break;
d494ca0b
AO
4890 case WPS_P2PS:
4891 method = WPS_CONFIG_P2PS;
4892 break;
b22128ef
JM
4893 default:
4894 method = 0;
4895 break;
4896 }
4897
ec437d9e
JJ
4898 if ((p2p_get_provisioning_info(wpa_s->global->p2p,
4899 wpa_s->pending_join_dev_addr) ==
4900 method)) {
4901 /*
4902 * We have already performed provision discovery for
4903 * joining the group. Proceed directly to join
4904 * operation without duplicated provision discovery. */
e3a0706b 4905 wpa_printf(MSG_DEBUG, "P2P: Provision discovery "
ec437d9e
JJ
4906 "with " MACSTR " already done - proceed to "
4907 "join",
4908 MAC2STR(wpa_s->pending_join_dev_addr));
4909 wpa_s->pending_pd_before_join = 0;
4910 goto start;
4911 }
4912
ef922c4a 4913 if (p2p_prov_disc_req(wpa_s->global->p2p,
369678ad
KV
4914 wpa_s->pending_join_dev_addr,
4915 NULL, method, 1,
67527166 4916 freq, wpa_s->user_initiated_pd) < 0) {
b22128ef
JM
4917 wpa_printf(MSG_DEBUG, "P2P: Failed to send Provision "
4918 "Discovery Request before joining an "
4919 "existing group");
4920 wpa_s->pending_pd_before_join = 0;
4921 goto start;
4922 }
ef922c4a 4923 return;
b22128ef
JM
4924 }
4925
9b1ab931
JM
4926 wpa_printf(MSG_DEBUG, "P2P: Failed to find BSS/GO - try again later");
4927 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
4928 eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL);
4929 wpas_p2p_check_join_scan_limit(wpa_s);
4930 return;
b22128ef
JM
4931
4932start:
4933 /* Start join operation immediately */
35510d53
JM
4934 wpas_p2p_join_start(wpa_s, 0, wpa_s->p2p_join_ssid,
4935 wpa_s->p2p_join_ssid_len);
ef922c4a
JM
4936}
4937
4938
c48414af
JM
4939static void wpas_p2p_join_scan_req(struct wpa_supplicant *wpa_s, int freq,
4940 const u8 *ssid, size_t ssid_len)
ef922c4a 4941{
ef922c4a
JM
4942 int ret;
4943 struct wpa_driver_scan_params params;
4944 struct wpabuf *wps_ie, *ies;
206e1f42 4945 size_t ielen;
84286a22 4946 int freqs[2] = { 0, 0 };
c58eed6d 4947 unsigned int bands;
ef922c4a
JM
4948
4949 os_memset(&params, 0, sizeof(params));
4950
4951 /* P2P Wildcard SSID */
4952 params.num_ssids = 1;
c48414af
JM
4953 if (ssid && ssid_len) {
4954 params.ssids[0].ssid = ssid;
4955 params.ssids[0].ssid_len = ssid_len;
4956 os_memcpy(wpa_s->p2p_join_ssid, ssid, ssid_len);
4957 wpa_s->p2p_join_ssid_len = ssid_len;
4958 } else {
4959 params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID;
4960 params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN;
4961 wpa_s->p2p_join_ssid_len = 0;
4962 }
ef922c4a
JM
4963
4964 wpa_s->wps->dev.p2p = 1;
360182ed
JM
4965 wps_ie = wps_build_probe_req_ie(DEV_PW_DEFAULT, &wpa_s->wps->dev,
4966 wpa_s->wps->uuid, WPS_REQ_ENROLLEE, 0,
4967 NULL);
ef922c4a
JM
4968 if (wps_ie == NULL) {
4969 wpas_p2p_scan_res_join(wpa_s, NULL);
4970 return;
4971 }
4972
37b4198a
JJ
4973 if (!freq) {
4974 int oper_freq;
4975 /*
4976 * If freq is not provided, check the operating freq of the GO
4977 * and use a single channel scan on if possible.
4978 */
4979 oper_freq = p2p_get_oper_freq(wpa_s->global->p2p,
4980 wpa_s->pending_join_iface_addr);
4981 if (oper_freq > 0)
4982 freq = oper_freq;
4983 }
84286a22
SDU
4984 if (freq > 0) {
4985 freqs[0] = freq;
4986 params.freqs = freqs;
4987 }
ef922c4a 4988
94ad3c33
LD
4989 ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p);
4990 ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen);
4991 if (ies == NULL) {
4992 wpabuf_free(wps_ie);
4993 wpas_p2p_scan_res_join(wpa_s, NULL);
4994 return;
4995 }
4996 wpabuf_put_buf(ies, wps_ie);
4997 wpabuf_free(wps_ie);
4998
c58eed6d
LD
4999 bands = wpas_get_bands(wpa_s, freqs);
5000 p2p_scan_ie(wpa_s->global->p2p, ies, NULL, bands);
94ad3c33
LD
5001
5002 params.p2p_probe = 1;
5003 params.extra_ies = wpabuf_head(ies);
5004 params.extra_ies_len = wpabuf_len(ies);
5005
ef922c4a
JM
5006 /*
5007 * Run a scan to update BSS table and start Provision Discovery once
5008 * the new scan results become available.
5009 */
17fbb751 5010 ret = wpa_drv_scan(wpa_s, &params);
4342326f 5011 if (!ret) {
acb69cec 5012 os_get_reltime(&wpa_s->scan_trigger_time);
205e6474 5013 wpa_s->scan_res_handler = wpas_p2p_scan_res_join;
a5f40eff 5014 wpa_s->own_scan_requested = 1;
4342326f 5015 }
ef922c4a
JM
5016
5017 wpabuf_free(ies);
5018
5019 if (ret) {
5020 wpa_printf(MSG_DEBUG, "P2P: Failed to start scan for join - "
5021 "try again later");
5022 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
5023 eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL);
9b1ab931 5024 wpas_p2p_check_join_scan_limit(wpa_s);
ef922c4a
JM
5025 }
5026}
5027
5028
84286a22
SDU
5029static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx)
5030{
5031 struct wpa_supplicant *wpa_s = eloop_ctx;
c48414af 5032 wpas_p2p_join_scan_req(wpa_s, 0, NULL, 0);
84286a22
SDU
5033}
5034
5035
ef922c4a 5036static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr,
b31be3a0 5037 const u8 *dev_addr, enum p2p_wps_method wps_method,
23318bea
JM
5038 int auto_join, int op_freq,
5039 const u8 *ssid, size_t ssid_len)
ef922c4a
JM
5040{
5041 wpa_printf(MSG_DEBUG, "P2P: Request to join existing group (iface "
23318bea
JM
5042 MACSTR " dev " MACSTR " op_freq=%d)%s",
5043 MAC2STR(iface_addr), MAC2STR(dev_addr), op_freq,
b31be3a0 5044 auto_join ? " (auto_join)" : "");
c48414af
JM
5045 if (ssid && ssid_len) {
5046 wpa_printf(MSG_DEBUG, "P2P: Group SSID specified: %s",
5047 wpa_ssid_txt(ssid, ssid_len));
5048 }
ef922c4a 5049
0918c4bf 5050 wpa_s->p2p_auto_pd = 0;
b31be3a0 5051 wpa_s->p2p_auto_join = !!auto_join;
ef922c4a
JM
5052 os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, ETH_ALEN);
5053 os_memcpy(wpa_s->pending_join_dev_addr, dev_addr, ETH_ALEN);
5054 wpa_s->pending_join_wps_method = wps_method;
5055
5056 /* Make sure we are not running find during connection establishment */
5057 wpas_p2p_stop_find(wpa_s);
5058
9b1ab931 5059 wpa_s->p2p_join_scan_count = 0;
23318bea 5060 wpas_p2p_join_scan_req(wpa_s, op_freq, ssid, ssid_len);
ef922c4a 5061 return 0;
b22128ef
JM
5062}
5063
5064
23318bea
JM
5065static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s, int freq,
5066 const u8 *ssid, size_t ssid_len)
b22128ef
JM
5067{
5068 struct wpa_supplicant *group;
5069 struct p2p_go_neg_results res;
8e64f258 5070 struct wpa_bss *bss;
b22128ef
JM
5071
5072 group = wpas_p2p_get_group_iface(wpa_s, 0, 0);
5073 if (group == NULL)
5074 return -1;
3c5126a4 5075 if (group != wpa_s) {
b22128ef
JM
5076 os_memcpy(group->p2p_pin, wpa_s->p2p_pin,
5077 sizeof(group->p2p_pin));
3c5126a4 5078 group->p2p_wps_method = wpa_s->p2p_wps_method;
2b79164f
JM
5079 } else {
5080 /*
5081 * Need to mark the current interface for p2p_group_formation
5082 * when a separate group interface is not used. This is needed
5083 * to allow p2p_cancel stop a pending p2p_connect-join.
5084 * wpas_p2p_init_group_interface() addresses this for the case
5085 * where a separate group interface is used.
5086 */
5087 wpa_s->global->p2p_group_formation = wpa_s;
3c5126a4 5088 }
b22128ef
JM
5089
5090 group->p2p_in_provisioning = 1;
aa9bb764 5091 group->p2p_fallback_to_go_neg = wpa_s->p2p_fallback_to_go_neg;
b22128ef
JM
5092
5093 os_memset(&res, 0, sizeof(res));
23318bea 5094 os_memcpy(res.peer_device_addr, wpa_s->pending_join_dev_addr, ETH_ALEN);
b22128ef
JM
5095 os_memcpy(res.peer_interface_addr, wpa_s->pending_join_iface_addr,
5096 ETH_ALEN);
5097 res.wps_method = wpa_s->pending_join_wps_method;
23318bea
JM
5098 if (freq && ssid && ssid_len) {
5099 res.freq = freq;
5100 res.ssid_len = ssid_len;
5101 os_memcpy(res.ssid, ssid, ssid_len);
5102 } else {
8b8d4f4e
JM
5103 if (ssid && ssid_len) {
5104 bss = wpa_bss_get(wpa_s, wpa_s->pending_join_iface_addr,
5105 ssid, ssid_len);
5106 } else {
5107 bss = wpa_bss_get_bssid_latest(
5108 wpa_s, wpa_s->pending_join_iface_addr);
5109 }
23318bea
JM
5110 if (bss) {
5111 res.freq = bss->freq;
5112 res.ssid_len = bss->ssid_len;
5113 os_memcpy(res.ssid, bss->ssid, bss->ssid_len);
5114 wpa_printf(MSG_DEBUG, "P2P: Join target GO operating frequency from BSS table: %d MHz (SSID %s)",
5115 bss->freq,
5116 wpa_ssid_txt(bss->ssid, bss->ssid_len));
b875276c
JM
5117 } else if (ssid && ssid_len) {
5118 res.ssid_len = ssid_len;
5119 os_memcpy(res.ssid, ssid, ssid_len);
5120 wpa_printf(MSG_DEBUG, "P2P: Join target GO (SSID %s)",
5121 wpa_ssid_txt(ssid, ssid_len));
23318bea 5122 }
8e64f258
JM
5123 }
5124
e91829f9
JM
5125 if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
5126 wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel prior to "
5127 "starting client");
5128 wpa_drv_cancel_remain_on_channel(wpa_s);
5129 wpa_s->off_channel_freq = 0;
5130 wpa_s->roc_waiting_drv_freq = 0;
5131 }
b22128ef
JM
5132 wpas_start_wps_enrollee(group, &res);
5133
3094d483
JM
5134 /*
5135 * Allow a longer timeout for join-a-running-group than normal 15
5136 * second group formation timeout since the GO may not have authorized
5137 * our connection yet.
5138 */
5139 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
5140 eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout,
5141 wpa_s, NULL);
5142
b22128ef
JM
5143 return 0;
5144}
5145
5146
5de4b721 5147static int wpas_p2p_setup_freqs(struct wpa_supplicant *wpa_s, int freq,
370017d9
AK
5148 int *force_freq, int *pref_freq, int go,
5149 unsigned int *pref_freq_list,
5150 unsigned int *num_pref_freq)
5de4b721 5151{
a0c90bb0
IP
5152 struct wpa_used_freq_data *freqs;
5153 int res, best_freq, num_unused;
370017d9
AK
5154 unsigned int freq_in_use = 0, num, i, max_pref_freq;
5155
5156 max_pref_freq = *num_pref_freq;
5157 *num_pref_freq = 0;
0d08efa4 5158
a0c90bb0
IP
5159 freqs = os_calloc(wpa_s->num_multichan_concurrent,
5160 sizeof(struct wpa_used_freq_data));
0d08efa4
IP
5161 if (!freqs)
5162 return -1;
5163
a0c90bb0
IP
5164 num = wpas_p2p_valid_oper_freqs(wpa_s, freqs,
5165 wpa_s->num_multichan_concurrent);
5166
5167 /*
5168 * It is possible that the total number of used frequencies is bigger
5169 * than the number of frequencies used for P2P, so get the system wide
5170 * number of unused frequencies.
5171 */
5172 num_unused = wpas_p2p_num_unused_channels(wpa_s);
5173
99d7c762 5174 wpa_printf(MSG_DEBUG,
a0c90bb0
IP
5175 "P2P: Setup freqs: freq=%d num_MCC=%d shared_freqs=%u num_unused=%d",
5176 freq, wpa_s->num_multichan_concurrent, num, num_unused);
0d08efa4 5177
5de4b721 5178 if (freq > 0) {
51e9f228
JM
5179 int ret;
5180 if (go)
5181 ret = p2p_supported_freq(wpa_s->global->p2p, freq);
5182 else
5183 ret = p2p_supported_freq_cli(wpa_s->global->p2p, freq);
5184 if (!ret) {
d7f1aa8f
AK
5185 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) &&
5186 ieee80211_is_dfs(freq)) {
5187 /*
5188 * If freq is a DFS channel and DFS is offloaded
5189 * to the driver, allow P2P GO to use it.
5190 */
5191 wpa_printf(MSG_DEBUG,
5192 "P2P: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to the driver",
5193 freq);
5194 } else {
5195 wpa_printf(MSG_DEBUG,
5196 "P2P: The forced channel (%u MHz) is not supported for P2P uses",
5197 freq);
5198 res = -3;
5199 goto exit_free;
5200 }
5de4b721
JM
5201 }
5202
0d08efa4 5203 for (i = 0; i < num; i++) {
a0c90bb0 5204 if (freqs[i].freq == freq)
0d08efa4
IP
5205 freq_in_use = 1;
5206 }
5207
a0c90bb0 5208 if (num_unused <= 0 && !freq_in_use) {
0d08efa4
IP
5209 wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group on %u MHz as there are no available channels",
5210 freq);
5211 res = -2;
5212 goto exit_free;
5de4b721
JM
5213 }
5214 wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the "
5215 "requested channel (%u MHz)", freq);
5216 *force_freq = freq;
0d08efa4
IP
5217 goto exit_ok;
5218 }
5219
a0c90bb0 5220 best_freq = wpas_p2p_pick_best_used_freq(wpa_s, freqs, num);
0d08efa4 5221
370017d9
AK
5222 if (!wpa_s->conf->num_p2p_pref_chan && *pref_freq == 0) {
5223 enum wpa_driver_if_type iface_type;
5224
5225 if (go)
5226 iface_type = WPA_IF_P2P_GO;
5227 else
5228 iface_type = WPA_IF_P2P_CLIENT;
5229
5230 wpa_printf(MSG_DEBUG, "P2P: best_freq=%d, go=%d",
5231 best_freq, go);
5232
5233 res = wpa_drv_get_pref_freq_list(wpa_s, iface_type,
5234 &max_pref_freq,
5235 pref_freq_list);
5236 if (!res && max_pref_freq > 0) {
5237 *num_pref_freq = max_pref_freq;
5238 i = 0;
5239 while (wpas_p2p_disallowed_freq(wpa_s->global,
5240 pref_freq_list[i]) &&
5241 i < *num_pref_freq) {
5242 wpa_printf(MSG_DEBUG,
5243 "P2P: preferred_freq_list[%d]=%d is disallowed",
5244 i, pref_freq_list[i]);
5245 i++;
5246 }
5247 if (i != *num_pref_freq) {
5248 best_freq = pref_freq_list[i];
5249 wpa_printf(MSG_DEBUG,
5250 "P2P: Using preferred_freq_list[%d]=%d",
5251 i, best_freq);
5252 } else {
5253 wpa_printf(MSG_DEBUG,
5254 "P2P: All driver preferred frequencies are disallowed for P2P use");
5255 *num_pref_freq = 0;
5256 }
5257 } else {
5258 wpa_printf(MSG_DEBUG,
5259 "P2P: No preferred frequency list available");
5260 }
5261 }
5262
a0c90bb0
IP
5263 /* We have a candidate frequency to use */
5264 if (best_freq > 0) {
5265 if (*pref_freq == 0 && num_unused > 0) {
b17d89bd 5266 wpa_printf(MSG_DEBUG, "P2P: Try to prefer a frequency (%u MHz) we are already using",
a0c90bb0
IP
5267 best_freq);
5268 *pref_freq = best_freq;
b17d89bd
JM
5269 } else {
5270 wpa_printf(MSG_DEBUG, "P2P: Try to force us to use frequency (%u MHz) which is already in use",
a0c90bb0
IP
5271 best_freq);
5272 *force_freq = best_freq;
0d08efa4 5273 }
a0c90bb0
IP
5274 } else if (num_unused > 0) {
5275 wpa_printf(MSG_DEBUG,
5276 "P2P: Current operating channels are not available for P2P. Try to use another channel");
5277 *force_freq = 0;
5278 } else {
5279 wpa_printf(MSG_DEBUG,
5280 "P2P: All channels are in use and none of them are P2P enabled. Cannot start P2P group");
5281 res = -2;
5282 goto exit_free;
0d08efa4
IP
5283 }
5284
5285exit_ok:
5286 res = 0;
5287exit_free:
5288 os_free(freqs);
5289 return res;
5de4b721
JM
5290}
5291
5292
b22128ef
JM
5293/**
5294 * wpas_p2p_connect - Request P2P Group Formation to be started
5295 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5296 * @peer_addr: Address of the peer P2P Device
5297 * @pin: PIN to use during provisioning or %NULL to indicate PBC mode
5298 * @persistent_group: Whether to create a persistent group
b31be3a0 5299 * @auto_join: Whether to select join vs. GO Negotiation automatically
b22128ef
JM
5300 * @join: Whether to join an existing group (as a client) instead of starting
5301 * Group Owner negotiation; @peer_addr is BSSID in that case
5302 * @auth: Whether to only authorize the connection instead of doing that and
5303 * initiating Group Owner negotiation
5304 * @go_intent: GO Intent or -1 to use default
5305 * @freq: Frequency for the group or 0 for auto-selection
c27f4c90 5306 * @freq2: Center frequency of segment 1 for the GO operating in VHT 80P80 mode
23c84252
JM
5307 * @persistent_id: Persistent group credentials to use for forcing GO
5308 * parameters or -1 to generate new values (SSID/passphrase)
3bc462cb
JM
5309 * @pd: Whether to send Provision Discovery prior to GO Negotiation as an
5310 * interoperability workaround when initiating group formation
e2308e4b 5311 * @ht40: Start GO with 40 MHz channel width
20ea1ca4 5312 * @vht: Start GO with VHT support
c27f4c90
AK
5313 * @vht_chwidth: Channel width supported by GO operating with VHT support
5314 * (VHT_CHANWIDTH_*).
70e0cb33
JM
5315 * @group_ssid: Specific Group SSID for join or %NULL if not set
5316 * @group_ssid_len: Length of @group_ssid in octets
d054a462
JM
5317 * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified
5318 * failure, -2 on failure due to channel not currently available,
5319 * -3 if forced channel is not supported
b22128ef
JM
5320 */
5321int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
5322 const char *pin, enum p2p_wps_method wps_method,
b31be3a0 5323 int persistent_group, int auto_join, int join, int auth,
c27f4c90
AK
5324 int go_intent, int freq, unsigned int vht_center_freq2,
5325 int persistent_id, int pd, int ht40, int vht,
70e0cb33
JM
5326 unsigned int vht_chwidth, const u8 *group_ssid,
5327 size_t group_ssid_len)
b22128ef 5328{
0d08efa4 5329 int force_freq = 0, pref_freq = 0;
5de4b721 5330 int ret = 0, res;
b22128ef 5331 enum wpa_driver_if_type iftype;
6cad95db 5332 const u8 *if_addr;
23c84252 5333 struct wpa_ssid *ssid = NULL;
370017d9 5334 unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size;
b22128ef 5335
9526fd29
JM
5336 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
5337 return -1;
5338
23c84252
JM
5339 if (persistent_id >= 0) {
5340 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
5341 if (ssid == NULL || ssid->disabled != 2 ||
5342 ssid->mode != WPAS_MODE_P2P_GO)
5343 return -1;
5344 }
5345
01a57fe4
JM
5346 os_free(wpa_s->global->add_psk);
5347 wpa_s->global->add_psk = NULL;
5348
95fb2db2 5349 wpa_s->global->p2p_fail_on_wps_complete = 0;
9a58e521 5350 wpa_s->global->pending_p2ps_group = 0;
8bb8e6ed 5351 wpa_s->global->pending_p2ps_group_freq = 0;
b9da88d6 5352 wpa_s->p2ps_method_config_any = 0;
95fb2db2 5353
b22128ef
JM
5354 if (go_intent < 0)
5355 go_intent = wpa_s->conf->p2p_go_intent;
5356
5357 if (!auth)
5358 wpa_s->p2p_long_listen = 0;
5359
3c5126a4 5360 wpa_s->p2p_wps_method = wps_method;
b31be3a0 5361 wpa_s->p2p_persistent_group = !!persistent_group;
23c84252 5362 wpa_s->p2p_persistent_id = persistent_id;
b31be3a0
JM
5363 wpa_s->p2p_go_intent = go_intent;
5364 wpa_s->p2p_connect_freq = freq;
aa9bb764 5365 wpa_s->p2p_fallback_to_go_neg = 0;
3bc462cb 5366 wpa_s->p2p_pd_before_go_neg = !!pd;
e2308e4b 5367 wpa_s->p2p_go_ht40 = !!ht40;
20ea1ca4 5368 wpa_s->p2p_go_vht = !!vht;
c27f4c90
AK
5369 wpa_s->p2p_go_vht_center_freq2 = vht_center_freq2;
5370 wpa_s->p2p_go_max_oper_chwidth = vht_chwidth;
3c5126a4 5371
b22128ef
JM
5372 if (pin)
5373 os_strlcpy(wpa_s->p2p_pin, pin, sizeof(wpa_s->p2p_pin));
5374 else if (wps_method == WPS_PIN_DISPLAY) {
98a516ea
NL
5375 if (wps_generate_pin((unsigned int *) &ret) < 0)
5376 return -1;
1d399771
JM
5377 res = os_snprintf(wpa_s->p2p_pin, sizeof(wpa_s->p2p_pin),
5378 "%08d", ret);
5379 if (os_snprintf_error(sizeof(wpa_s->p2p_pin), res))
5380 wpa_s->p2p_pin[sizeof(wpa_s->p2p_pin) - 1] = '\0';
b22128ef
JM
5381 wpa_printf(MSG_DEBUG, "P2P: Randomly generated PIN: %s",
5382 wpa_s->p2p_pin);
31d7fb14
PK
5383 } else if (wps_method == WPS_P2PS) {
5384 /* Force the P2Ps default PIN to be used */
5385 os_strlcpy(wpa_s->p2p_pin, "12345670", sizeof(wpa_s->p2p_pin));
b22128ef
JM
5386 } else
5387 wpa_s->p2p_pin[0] = '\0';
5388
b31be3a0 5389 if (join || auto_join) {
4147a2cc 5390 u8 iface_addr[ETH_ALEN], dev_addr[ETH_ALEN];
108def93
JM
5391 if (auth) {
5392 wpa_printf(MSG_DEBUG, "P2P: Authorize invitation to "
5393 "connect a running group from " MACSTR,
5394 MAC2STR(peer_addr));
5395 os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN);
5396 return ret;
5397 }
4147a2cc 5398 os_memcpy(dev_addr, peer_addr, ETH_ALEN);
b22128ef 5399 if (p2p_get_interface_addr(wpa_s->global->p2p, peer_addr,
4147a2cc 5400 iface_addr) < 0) {
b22128ef 5401 os_memcpy(iface_addr, peer_addr, ETH_ALEN);
4147a2cc
JM
5402 p2p_get_dev_addr(wpa_s->global->p2p, peer_addr,
5403 dev_addr);
5404 }
b31be3a0 5405 if (auto_join) {
acb69cec 5406 os_get_reltime(&wpa_s->p2p_auto_started);
b31be3a0
JM
5407 wpa_printf(MSG_DEBUG, "P2P: Auto join started at "
5408 "%ld.%06ld",
5409 wpa_s->p2p_auto_started.sec,
5410 wpa_s->p2p_auto_started.usec);
5411 }
67527166 5412 wpa_s->user_initiated_pd = 1;
b31be3a0 5413 if (wpas_p2p_join(wpa_s, iface_addr, dev_addr, wps_method,
70e0cb33
JM
5414 auto_join, freq,
5415 group_ssid, group_ssid_len) < 0)
b22128ef
JM
5416 return -1;
5417 return ret;
5418 }
5419
370017d9 5420 size = P2P_MAX_PREF_CHANNELS;
51e9f228 5421 res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq,
370017d9 5422 go_intent == 15, pref_freq_list, &size);
5de4b721
JM
5423 if (res)
5424 return res;
1b665cbf
JM
5425 wpas_p2p_set_own_freq_preference(wpa_s,
5426 force_freq ? force_freq : pref_freq);
b22128ef 5427
370017d9
AK
5428 p2p_set_own_pref_freq_list(wpa_s->global->p2p, pref_freq_list, size);
5429
b22128ef
JM
5430 wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
5431
6cad95db
JB
5432 if (wpa_s->create_p2p_iface) {
5433 /* Prepare to add a new interface for the group */
5434 iftype = WPA_IF_P2P_GROUP;
5435 if (go_intent == 15)
5436 iftype = WPA_IF_P2P_GO;
5437 if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) {
5438 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
5439 "interface for the group");
b22128ef 5440 return -1;
6cad95db 5441 }
b22128ef 5442
6cad95db 5443 if_addr = wpa_s->pending_interface_addr;
9f59fe8d 5444 } else {
96a26ab7
LD
5445 if (wpa_s->p2p_mgmt)
5446 if_addr = wpa_s->parent->own_addr;
5447 else
5448 if_addr = wpa_s->own_addr;
9f59fe8d
JM
5449 os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
5450 }
b22128ef
JM
5451
5452 if (auth) {
5453 if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method,
6cad95db 5454 go_intent, if_addr,
04a3e69d
JM
5455 force_freq, persistent_group, ssid,
5456 pref_freq) < 0)
b22128ef
JM
5457 return -1;
5458 return ret;
5459 }
6cad95db
JB
5460
5461 if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method,
5462 go_intent, if_addr, force_freq,
04a3e69d 5463 persistent_group, ssid, pref_freq) < 0) {
6cad95db
JB
5464 if (wpa_s->create_p2p_iface)
5465 wpas_p2p_remove_pending_group_interface(wpa_s);
b22128ef
JM
5466 return -1;
5467 }
5468 return ret;
5469}
5470
5471
5472/**
5473 * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start
5474 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5475 * @freq: Frequency of the channel in MHz
5476 * @duration: Duration of the stay on the channel in milliseconds
5477 *
5478 * This callback is called when the driver indicates that it has started the
5479 * requested remain-on-channel duration.
5480 */
5481void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
5482 unsigned int freq, unsigned int duration)
5483{
9526fd29
JM
5484 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
5485 return;
f2dc06e2
JM
5486 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)",
5487 wpa_s->off_channel_freq, wpa_s->pending_listen_freq,
5488 wpa_s->roc_waiting_drv_freq, freq, duration);
5489 if (wpa_s->off_channel_freq &&
5490 wpa_s->off_channel_freq == wpa_s->pending_listen_freq) {
b22128ef
JM
5491 p2p_listen_cb(wpa_s->global->p2p, wpa_s->pending_listen_freq,
5492 wpa_s->pending_listen_duration);
5493 wpa_s->pending_listen_freq = 0;
211d7ab3
JM
5494 } else {
5495 wpa_printf(MSG_DEBUG, "P2P: Ignore remain-on-channel callback (off_channel_freq=%u pending_listen_freq=%d freq=%u duration=%u)",
5496 wpa_s->off_channel_freq, wpa_s->pending_listen_freq,
5497 freq, duration);
b22128ef
JM
5498 }
5499}
5500
5501
49e1e9ca 5502int wpas_p2p_listen_start(struct wpa_supplicant *wpa_s, unsigned int timeout)
b22128ef
JM
5503{
5504 /* Limit maximum Listen state time based on driver limitation. */
5505 if (timeout > wpa_s->max_remain_on_chan)
5506 timeout = wpa_s->max_remain_on_chan;
5507
5508 return p2p_listen(wpa_s->global->p2p, timeout);
5509}
5510
5511
5512/**
5513 * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout
5514 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5515 * @freq: Frequency of the channel in MHz
5516 *
5517 * This callback is called when the driver indicates that a remain-on-channel
5518 * operation has been completed, i.e., the duration on the requested channel
5519 * has timed out.
5520 */
5521void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
5522 unsigned int freq)
5523{
1cc3a29d 5524 wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel callback "
11fb02be 5525 "(p2p_long_listen=%d ms pending_action_tx=%p)",
2f3101d8 5526 wpa_s->p2p_long_listen, offchannel_pending_action_tx(wpa_s));
e1d1c8e2 5527 wpas_p2p_listen_work_done(wpa_s);
9526fd29
JM
5528 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
5529 return;
49e1e9ca
JJ
5530 if (wpa_s->p2p_long_listen > 0)
5531 wpa_s->p2p_long_listen -= wpa_s->max_remain_on_chan;
b22128ef
JM
5532 if (p2p_listen_end(wpa_s->global->p2p, freq) > 0)
5533 return; /* P2P module started a new operation */
2f3101d8 5534 if (offchannel_pending_action_tx(wpa_s))
b22128ef 5535 return;
b22128ef
JM
5536 if (wpa_s->p2p_long_listen > 0) {
5537 wpa_printf(MSG_DEBUG, "P2P: Continuing long Listen state");
11fb02be 5538 wpas_p2p_listen_start(wpa_s, wpa_s->p2p_long_listen);
0b5fb86a
SADR
5539 } else {
5540 /*
5541 * When listen duration is over, stop listen & update p2p_state
5542 * to IDLE.
5543 */
5544 p2p_stop_listen(wpa_s->global->p2p);
b22128ef
JM
5545 }
5546}
5547
5548
5549/**
5550 * wpas_p2p_group_remove - Remove a P2P group
5551 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5552 * @ifname: Network interface name of the group interface or "*" to remove all
5553 * groups
5554 * Returns: 0 on success, -1 on failure
5555 *
5556 * This function is used to remove a P2P group. This can be used to disconnect
5557 * from a group in which the local end is a P2P Client or to end a P2P Group in
5558 * case the local end is the Group Owner. If a virtual network interface was
5559 * created for this group, that interface will be removed. Otherwise, only the
5560 * configured P2P group network will be removed from the interface.
5561 */
5562int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname)
5563{
5564 struct wpa_global *global = wpa_s->global;
f2b3acc9 5565 struct wpa_supplicant *calling_wpa_s = wpa_s;
b22128ef
JM
5566
5567 if (os_strcmp(ifname, "*") == 0) {
5568 struct wpa_supplicant *prev;
5569 wpa_s = global->ifaces;
5570 while (wpa_s) {
5571 prev = wpa_s;
5572 wpa_s = wpa_s->next;
d99ca89d
IP
5573 if (prev->p2p_group_interface !=
5574 NOT_P2P_GROUP_INTERFACE ||
5575 (prev->current_ssid &&
5576 prev->current_ssid->p2p_group))
f2b3acc9 5577 wpas_p2p_disconnect_safely(prev, calling_wpa_s);
b22128ef
JM
5578 }
5579 return 0;
5580 }
5581
5582 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
5583 if (os_strcmp(wpa_s->ifname, ifname) == 0)
5584 break;
5585 }
5586
f2b3acc9 5587 return wpas_p2p_disconnect_safely(wpa_s, calling_wpa_s);
b22128ef
JM
5588}
5589
5590
4abc0424
WJL
5591static int wpas_p2p_select_go_freq(struct wpa_supplicant *wpa_s, int freq)
5592{
5593 unsigned int r;
5594
8e84921e
AK
5595 if (!wpa_s->conf->num_p2p_pref_chan && !freq) {
5596 unsigned int i, size = P2P_MAX_PREF_CHANNELS;
5597 unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS];
5598 int res;
5599
5600 res = wpa_drv_get_pref_freq_list(wpa_s, WPA_IF_P2P_GO,
5601 &size, pref_freq_list);
5602 if (!res && size > 0) {
5603 i = 0;
5604 while (wpas_p2p_disallowed_freq(wpa_s->global,
5605 pref_freq_list[i]) &&
5606 i < size) {
5607 wpa_printf(MSG_DEBUG,
5608 "P2P: preferred_freq_list[%d]=%d is disallowed",
5609 i, pref_freq_list[i]);
5610 i++;
5611 }
5612 if (i != size) {
5613 freq = pref_freq_list[i];
5614 wpa_printf(MSG_DEBUG,
5615 "P2P: Using preferred_freq_list[%d]=%d",
5616 i, freq);
5617 } else {
5618 wpa_printf(MSG_DEBUG,
5619 "P2P: All driver preferred frequencies are disallowed for P2P use");
5620 }
5621 } else {
5622 wpa_printf(MSG_DEBUG,
5623 "P2P: No preferred frequency list available");
5624 }
5625 }
5626
4abc0424
WJL
5627 if (freq == 2) {
5628 wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 2.4 GHz "
5629 "band");
5630 if (wpa_s->best_24_freq > 0 &&
556b30da
JM
5631 p2p_supported_freq_go(wpa_s->global->p2p,
5632 wpa_s->best_24_freq)) {
4abc0424
WJL
5633 freq = wpa_s->best_24_freq;
5634 wpa_printf(MSG_DEBUG, "P2P: Use best 2.4 GHz band "
5635 "channel: %d MHz", freq);
5636 } else {
df2508d7
JM
5637 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
5638 return -1;
4abc0424
WJL
5639 freq = 2412 + (r % 3) * 25;
5640 wpa_printf(MSG_DEBUG, "P2P: Use random 2.4 GHz band "
5641 "channel: %d MHz", freq);
5642 }
5643 }
5644
5645 if (freq == 5) {
5646 wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 5 GHz "
5647 "band");
5648 if (wpa_s->best_5_freq > 0 &&
556b30da 5649 p2p_supported_freq_go(wpa_s->global->p2p,
4abc0424
WJL
5650 wpa_s->best_5_freq)) {
5651 freq = wpa_s->best_5_freq;
5652 wpa_printf(MSG_DEBUG, "P2P: Use best 5 GHz band "
5653 "channel: %d MHz", freq);
5654 } else {
df2508d7
JM
5655 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
5656 return -1;
4abc0424 5657 freq = 5180 + (r % 4) * 20;
556b30da 5658 if (!p2p_supported_freq_go(wpa_s->global->p2p, freq)) {
4abc0424
WJL
5659 wpa_printf(MSG_DEBUG, "P2P: Could not select "
5660 "5 GHz channel for P2P group");
5661 return -1;
5662 }
5663 wpa_printf(MSG_DEBUG, "P2P: Use random 5 GHz band "
5664 "channel: %d MHz", freq);
5665 }
5666 }
5667
556b30da 5668 if (freq > 0 && !p2p_supported_freq_go(wpa_s->global->p2p, freq)) {
d7f1aa8f
AK
5669 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) &&
5670 ieee80211_is_dfs(freq)) {
5671 /*
5672 * If freq is a DFS channel and DFS is offloaded to the
5673 * driver, allow P2P GO to use it.
5674 */
5675 wpa_printf(MSG_DEBUG, "P2P: "
5676 "%s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded",
5677 __func__, freq);
5678 return freq;
5679 }
4abc0424
WJL
5680 wpa_printf(MSG_DEBUG, "P2P: The forced channel for GO "
5681 "(%u MHz) is not supported for P2P uses",
5682 freq);
5683 return -1;
5684 }
5685
5686 return freq;
5687}
5688
5689
b1308121
IP
5690static int wpas_p2p_supported_freq_go(struct wpa_supplicant *wpa_s,
5691 const struct p2p_channels *channels,
5692 int freq)
5693{
5694 if (!wpas_p2p_disallowed_freq(wpa_s->global, freq) &&
5695 p2p_supported_freq_go(wpa_s->global->p2p, freq) &&
5696 freq_included(wpa_s, channels, freq))
5697 return 1;
5698 return 0;
5699}
5700
5701
5702static void wpas_p2p_select_go_freq_no_pref(struct wpa_supplicant *wpa_s,
5703 struct p2p_go_neg_results *params,
5704 const struct p2p_channels *channels)
28812a89
IP
5705{
5706 unsigned int i, r;
5707
5708 /* first try some random selection of the social channels */
5e62cfdf 5709 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
b1308121 5710 return;
28812a89
IP
5711
5712 for (i = 0; i < 3; i++) {
5713 params->freq = 2412 + ((r + i) % 3) * 25;
b1308121 5714 if (wpas_p2p_supported_freq_go(wpa_s, channels, params->freq))
28812a89
IP
5715 goto out;
5716 }
5717
b1308121 5718 /* try all other channels in operating class 81 */
28812a89
IP
5719 for (i = 0; i < 11; i++) {
5720 params->freq = 2412 + i * 5;
b1308121
IP
5721
5722 /* skip social channels; covered in the previous loop */
5723 if (params->freq == 2412 ||
5724 params->freq == 2437 ||
5725 params->freq == 2462)
5726 continue;
5727
5728 if (wpas_p2p_supported_freq_go(wpa_s, channels, params->freq))
1595eb93
AM
5729 goto out;
5730 }
5731
95d7b863
KV
5732 /* try all channels in operating class 115 */
5733 for (i = 0; i < 4; i++) {
5734 params->freq = 5180 + i * 20;
5735 if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
e280110d 5736 freq_included(wpa_s, channels, params->freq) &&
95d7b863
KV
5737 p2p_supported_freq(wpa_s->global->p2p, params->freq))
5738 goto out;
5739 }
5740
5741 /* try all channels in operating class 124 */
5742 for (i = 0; i < 4; i++) {
5743 params->freq = 5745 + i * 20;
5744 if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
e280110d 5745 freq_included(wpa_s, channels, params->freq) &&
95d7b863
KV
5746 p2p_supported_freq(wpa_s->global->p2p, params->freq))
5747 goto out;
5748 }
5749
1595eb93
AM
5750 /* try social channel class 180 channel 2 */
5751 params->freq = 58320 + 1 * 2160;
5752 if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
e280110d 5753 freq_included(wpa_s, channels, params->freq) &&
1595eb93
AM
5754 p2p_supported_freq(wpa_s->global->p2p, params->freq))
5755 goto out;
5756
5757 /* try all channels in reg. class 180 */
5758 for (i = 0; i < 4; i++) {
5759 params->freq = 58320 + i * 2160;
5760 if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
e280110d 5761 freq_included(wpa_s, channels, params->freq) &&
1595eb93 5762 p2p_supported_freq(wpa_s->global->p2p, params->freq))
28812a89
IP
5763 goto out;
5764 }
5765
b1308121 5766 params->freq = 0;
95d7b863 5767 wpa_printf(MSG_DEBUG, "P2P: No 2.4, 5, or 60 GHz channel allowed");
b1308121 5768 return;
28812a89
IP
5769out:
5770 wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz (no preference known)",
5771 params->freq);
28812a89
IP
5772}
5773
5774
b8349523
NKG
5775static int wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s,
5776 struct p2p_go_neg_results *params,
c27f4c90
AK
5777 int freq, int vht_center_freq2, int ht40,
5778 int vht, int max_oper_chwidth,
54733624 5779 const struct p2p_channels *channels)
b22128ef 5780{
a0c90bb0 5781 struct wpa_used_freq_data *freqs;
b1308121 5782 unsigned int cand;
0d08efa4 5783 unsigned int num, i;
23dcb302 5784 int ignore_no_freqs = 0;
c69ef1d2 5785 int unused_channels = wpas_p2p_num_unused_channels(wpa_s) > 0;
b22128ef
JM
5786
5787 os_memset(params, 0, sizeof(*params));
5788 params->role_go = 1;
7aeac985 5789 params->ht40 = ht40;
20ea1ca4 5790 params->vht = vht;
c27f4c90
AK
5791 params->max_oper_chwidth = max_oper_chwidth;
5792 params->vht_center_freq2 = vht_center_freq2;
e280110d 5793
b1308121
IP
5794 freqs = os_calloc(wpa_s->num_multichan_concurrent,
5795 sizeof(struct wpa_used_freq_data));
5796 if (!freqs)
5797 return -1;
5798
23dcb302
IP
5799 num = get_shared_radio_freqs_data(wpa_s, freqs,
5800 wpa_s->num_multichan_concurrent);
5801
5802 if (wpa_s->current_ssid &&
5803 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO &&
5804 wpa_s->wpa_state == WPA_COMPLETED) {
5805 wpa_printf(MSG_DEBUG, "P2P: %s called for an active GO",
5806 __func__);
5807
5808 /*
5809 * If the frequency selection is done for an active P2P GO that
5810 * is not sharing a frequency, allow to select a new frequency
5811 * even if there are no unused frequencies as we are about to
5812 * move the P2P GO so its frequency can be re-used.
5813 */
5814 for (i = 0; i < num; i++) {
5815 if (freqs[i].freq == wpa_s->current_ssid->frequency &&
5816 freqs[i].flags == 0) {
5817 ignore_no_freqs = 1;
5818 break;
5819 }
5820 }
5821 }
b1308121
IP
5822
5823 /* try using the forced freq */
7cfc4ac3 5824 if (freq) {
b1308121
IP
5825 if (!wpas_p2p_supported_freq_go(wpa_s, channels, freq)) {
5826 wpa_printf(MSG_DEBUG,
5827 "P2P: Forced GO freq %d MHz not accepted",
5828 freq);
5829 goto fail;
5830 }
5831
5832 for (i = 0; i < num; i++) {
5833 if (freqs[i].freq == freq) {
5834 wpa_printf(MSG_DEBUG,
5835 "P2P: forced freq (%d MHz) is also shared",
5836 freq);
5837 params->freq = freq;
5838 goto success;
5839 }
54733624 5840 }
b1308121 5841
c69ef1d2 5842 if (!ignore_no_freqs && !unused_channels) {
b1308121
IP
5843 wpa_printf(MSG_DEBUG,
5844 "P2P: Cannot force GO on freq (%d MHz) as all the channels are in use",
5845 freq);
5846 goto fail;
5847 }
5848
5849 wpa_printf(MSG_DEBUG,
5850 "P2P: force GO freq (%d MHz) on a free channel",
5851 freq);
b22128ef 5852 params->freq = freq;
b1308121
IP
5853 goto success;
5854 }
5855
5856 /* consider using one of the shared frequencies */
c69ef1d2
EP
5857 if (num &&
5858 (!wpa_s->conf->p2p_ignore_shared_freq || !unused_channels)) {
b1308121
IP
5859 cand = wpas_p2p_pick_best_used_freq(wpa_s, freqs, num);
5860 if (wpas_p2p_supported_freq_go(wpa_s, channels, cand)) {
5861 wpa_printf(MSG_DEBUG,
5862 "P2P: Use shared freq (%d MHz) for GO",
4115b052 5863 cand);
b1308121
IP
5864 params->freq = cand;
5865 goto success;
5866 }
5867
5868 /* try using one of the shared freqs */
5869 for (i = 0; i < num; i++) {
5870 if (wpas_p2p_supported_freq_go(wpa_s, channels,
5871 freqs[i].freq)) {
5872 wpa_printf(MSG_DEBUG,
5873 "P2P: Use shared freq (%d MHz) for GO",
4115b052 5874 freqs[i].freq);
b1308121
IP
5875 params->freq = freqs[i].freq;
5876 goto success;
5877 }
5878 }
5879 }
5880
c69ef1d2 5881 if (!ignore_no_freqs && !unused_channels) {
b1308121
IP
5882 wpa_printf(MSG_DEBUG,
5883 "P2P: Cannot force GO on any of the channels we are already using");
5884 goto fail;
5885 }
5886
5887 /* try using the setting from the configuration file */
5888 if (wpa_s->conf->p2p_oper_reg_class == 81 &&
5889 wpa_s->conf->p2p_oper_channel >= 1 &&
5890 wpa_s->conf->p2p_oper_channel <= 11 &&
5891 wpas_p2p_supported_freq_go(
5892 wpa_s, channels,
5893 2407 + 5 * wpa_s->conf->p2p_oper_channel)) {
b22128ef 5894 params->freq = 2407 + 5 * wpa_s->conf->p2p_oper_channel;
7cfc4ac3
AGS
5895 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured "
5896 "frequency %d MHz", params->freq);
b1308121
IP
5897 goto success;
5898 }
5899
5900 if ((wpa_s->conf->p2p_oper_reg_class == 115 ||
5901 wpa_s->conf->p2p_oper_reg_class == 116 ||
5902 wpa_s->conf->p2p_oper_reg_class == 117 ||
5903 wpa_s->conf->p2p_oper_reg_class == 124 ||
5904 wpa_s->conf->p2p_oper_reg_class == 125 ||
5905 wpa_s->conf->p2p_oper_reg_class == 126 ||
5906 wpa_s->conf->p2p_oper_reg_class == 127) &&
5907 wpas_p2p_supported_freq_go(wpa_s, channels,
5908 5000 +
5909 5 * wpa_s->conf->p2p_oper_channel)) {
b22128ef 5910 params->freq = 5000 + 5 * wpa_s->conf->p2p_oper_channel;
7cfc4ac3
AGS
5911 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured "
5912 "frequency %d MHz", params->freq);
b1308121
IP
5913 goto success;
5914 }
5915
5916 /* Try using best channels */
5917 if (wpa_s->conf->p2p_oper_channel == 0 &&
5918 wpa_s->best_overall_freq > 0 &&
5919 wpas_p2p_supported_freq_go(wpa_s, channels,
5920 wpa_s->best_overall_freq)) {
7cfc4ac3
AGS
5921 params->freq = wpa_s->best_overall_freq;
5922 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best overall "
5923 "channel %d MHz", params->freq);
b1308121
IP
5924 goto success;
5925 }
5926
5927 if (wpa_s->conf->p2p_oper_channel == 0 &&
5928 wpa_s->best_24_freq > 0 &&
5929 wpas_p2p_supported_freq_go(wpa_s, channels,
5930 wpa_s->best_24_freq)) {
7cfc4ac3
AGS
5931 params->freq = wpa_s->best_24_freq;
5932 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 2.4 GHz "
5933 "channel %d MHz", params->freq);
b1308121
IP
5934 goto success;
5935 }
5936
5937 if (wpa_s->conf->p2p_oper_channel == 0 &&
5938 wpa_s->best_5_freq > 0 &&
5939 wpas_p2p_supported_freq_go(wpa_s, channels,
5940 wpa_s->best_5_freq)) {
7cfc4ac3
AGS
5941 params->freq = wpa_s->best_5_freq;
5942 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 5 GHz "
5943 "channel %d MHz", params->freq);
b1308121
IP
5944 goto success;
5945 }
5946
5947 /* try using preferred channels */
5948 cand = p2p_get_pref_freq(wpa_s->global->p2p, channels);
5949 if (cand && wpas_p2p_supported_freq_go(wpa_s, channels, cand)) {
5950 params->freq = cand;
c6ccf12d
SS
5951 wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz from preferred "
5952 "channels", params->freq);
b1308121
IP
5953 goto success;
5954 }
5955
5956 /* Try using one of the group common freqs */
5957 if (wpa_s->p2p_group_common_freqs) {
e280110d 5958 for (i = 0; i < wpa_s->p2p_group_common_freqs_num; i++) {
b1308121
IP
5959 cand = wpa_s->p2p_group_common_freqs[i];
5960 if (wpas_p2p_supported_freq_go(wpa_s, channels, cand)) {
5961 params->freq = cand;
e280110d
IP
5962 wpa_printf(MSG_DEBUG,
5963 "P2P: Use freq %d MHz common with the peer",
5964 params->freq);
b1308121 5965 goto success;
e280110d
IP
5966 }
5967 }
7cfc4ac3
AGS
5968 }
5969
b1308121
IP
5970 /* no preference, select some channel */
5971 wpas_p2p_select_go_freq_no_pref(wpa_s, params, channels);
a0c90bb0 5972
b1308121
IP
5973 if (params->freq == 0) {
5974 wpa_printf(MSG_DEBUG, "P2P: did not find a freq for GO use");
5975 goto fail;
0d08efa4 5976 }
7d669cf7 5977
b1308121 5978success:
0d08efa4 5979 os_free(freqs);
b8349523 5980 return 0;
b1308121
IP
5981fail:
5982 os_free(freqs);
5983 return -1;
b22128ef
JM
5984}
5985
5986
5987static struct wpa_supplicant *
5988wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
5989 int go)
5990{
5991 struct wpa_supplicant *group_wpa_s;
5992
ac06fb12 5993 if (!wpas_p2p_create_iface(wpa_s)) {
96a26ab7
LD
5994 if (wpa_s->p2p_mgmt) {
5995 /*
5996 * We may be called on the p2p_dev interface which
5997 * cannot be used for group operations, so always use
5998 * the primary interface.
5999 */
6000 wpa_s->parent->p2pdev = wpa_s;
6001 wpa_s = wpa_s->parent;
6002 }
6003 wpa_dbg(wpa_s, MSG_DEBUG,
6004 "P2P: Use primary interface for group operations");
bbc6c729 6005 wpa_s->p2p_first_connection_timeout = 0;
96a26ab7 6006 if (wpa_s != wpa_s->p2pdev)
9b377be0 6007 wpas_p2p_clone_config(wpa_s, wpa_s->p2pdev);
b22128ef 6008 return wpa_s;
ac06fb12 6009 }
b22128ef
JM
6010
6011 if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO :
ac06fb12 6012 WPA_IF_P2P_CLIENT) < 0) {
92c4465b
JM
6013 wpa_msg_global(wpa_s, MSG_ERROR,
6014 "P2P: Failed to add group interface");
b22128ef 6015 return NULL;
ac06fb12 6016 }
b22128ef
JM
6017 group_wpa_s = wpas_p2p_init_group_interface(wpa_s, go);
6018 if (group_wpa_s == NULL) {
92c4465b
JM
6019 wpa_msg_global(wpa_s, MSG_ERROR,
6020 "P2P: Failed to initialize group interface");
b22128ef
JM
6021 wpas_p2p_remove_pending_group_interface(wpa_s);
6022 return NULL;
6023 }
6024
ac06fb12
JM
6025 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use separate group interface %s",
6026 group_wpa_s->ifname);
bbc6c729 6027 group_wpa_s->p2p_first_connection_timeout = 0;
b22128ef
JM
6028 return group_wpa_s;
6029}
6030
6031
6032/**
6033 * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner
6034 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
6035 * @persistent_group: Whether to create a persistent group
6036 * @freq: Frequency for the group or 0 to indicate no hardcoding
c27f4c90 6037 * @vht_center_freq2: segment_1 center frequency for GO operating in VHT 80P80
20ea1ca4
EP
6038 * @ht40: Start GO with 40 MHz channel width
6039 * @vht: Start GO with VHT support
c27f4c90 6040 * @vht_chwidth: channel bandwidth for GO operating with VHT support
b22128ef
JM
6041 * Returns: 0 on success, -1 on failure
6042 *
6043 * This function creates a new P2P group with the local end as the Group Owner,
6044 * i.e., without using Group Owner Negotiation.
6045 */
6046int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group,
c27f4c90
AK
6047 int freq, int vht_center_freq2, int ht40, int vht,
6048 int max_oper_chwidth)
b22128ef
JM
6049{
6050 struct p2p_go_neg_results params;
7cfc4ac3 6051
9526fd29
JM
6052 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6053 return -1;
6054
01a57fe4
JM
6055 os_free(wpa_s->global->add_psk);
6056 wpa_s->global->add_psk = NULL;
6057
2d4f15d6
JJ
6058 /* Make sure we are not running find during connection establishment */
6059 wpa_printf(MSG_DEBUG, "P2P: Stop any on-going P2P FIND");
8713a2e6 6060 wpas_p2p_stop_find_oper(wpa_s);
2d4f15d6 6061
4abc0424
WJL
6062 freq = wpas_p2p_select_go_freq(wpa_s, freq);
6063 if (freq < 0)
4ae4650b 6064 return -1;
4ae4650b 6065
c27f4c90
AK
6066 if (wpas_p2p_init_go_params(wpa_s, &params, freq, vht_center_freq2,
6067 ht40, vht, max_oper_chwidth, NULL))
b8349523 6068 return -1;
f4329aa2 6069 if (params.freq &&
556b30da 6070 !p2p_supported_freq_go(wpa_s->global->p2p, params.freq)) {
d7f1aa8f
AK
6071 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) &&
6072 ieee80211_is_dfs(params.freq)) {
6073 /*
6074 * If freq is a DFS channel and DFS is offloaded to the
6075 * driver, allow P2P GO to use it.
6076 */
6077 wpa_printf(MSG_DEBUG,
6078 "P2P: %s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to driver",
6079 __func__, params.freq);
6080 } else {
6081 wpa_printf(MSG_DEBUG,
6082 "P2P: The selected channel for GO (%u MHz) is not supported for P2P uses",
6083 params.freq);
6084 return -1;
6085 }
f4329aa2 6086 }
b22128ef
JM
6087 p2p_go_params(wpa_s->global->p2p, &params);
6088 params.persistent_group = persistent_group;
6089
6090 wpa_s = wpas_p2p_get_group_iface(wpa_s, 0, 1);
6091 if (wpa_s == NULL)
6092 return -1;
6093 wpas_start_wps_go(wpa_s, &params, 0);
6094
6095 return 0;
6096}
6097
6098
6099static int wpas_start_p2p_client(struct wpa_supplicant *wpa_s,
41d5ce9e 6100 struct wpa_ssid *params, int addr_allocated,
dfaf11d6 6101 int freq, int force_scan)
b22128ef
JM
6102{
6103 struct wpa_ssid *ssid;
6104
6105 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 0);
6106 if (wpa_s == NULL)
6107 return -1;
dfaf11d6
JM
6108 if (force_scan)
6109 os_get_reltime(&wpa_s->scan_min_time);
5bf9a6c8 6110 wpa_s->p2p_last_4way_hs_fail = NULL;
b22128ef
JM
6111
6112 wpa_supplicant_ap_deinit(wpa_s);
6113
6114 ssid = wpa_config_add_network(wpa_s->conf);
6115 if (ssid == NULL)
6116 return -1;
9f59fe8d 6117 os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
b22128ef
JM
6118 wpa_config_set_network_defaults(ssid);
6119 ssid->temporary = 1;
6120 ssid->proto = WPA_PROTO_RSN;
f347429c
LD
6121 ssid->pbss = params->pbss;
6122 ssid->pairwise_cipher = params->pbss ? WPA_CIPHER_GCMP :
6123 WPA_CIPHER_CCMP;
6124 ssid->group_cipher = params->pbss ? WPA_CIPHER_GCMP : WPA_CIPHER_CCMP;
b22128ef
JM
6125 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
6126 ssid->ssid = os_malloc(params->ssid_len);
6127 if (ssid->ssid == NULL) {
b22128ef
JM
6128 wpa_config_remove_network(wpa_s->conf, ssid->id);
6129 return -1;
6130 }
6131 os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
6132 ssid->ssid_len = params->ssid_len;
6133 ssid->p2p_group = 1;
d1c8ac88 6134 ssid->export_keys = 1;
b22128ef
JM
6135 if (params->psk_set) {
6136 os_memcpy(ssid->psk, params->psk, 32);
6137 ssid->psk_set = 1;
6138 }
6139 if (params->passphrase)
6140 ssid->passphrase = os_strdup(params->passphrase);
6141
b22128ef 6142 wpa_s->show_group_started = 1;
41d5ce9e
RR
6143 wpa_s->p2p_in_invitation = 1;
6144 wpa_s->p2p_invite_go_freq = freq;
bf3214b5
JM
6145 wpa_s->p2p_go_group_formation_completed = 0;
6146 wpa_s->global->p2p_group_formation = wpa_s;
b22128ef 6147
ba307f85 6148 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->p2pdev,
91364b7f
SDU
6149 NULL);
6150 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0,
6151 wpas_p2p_group_formation_timeout,
ba307f85 6152 wpa_s->p2pdev, NULL);
6fc48481
RR
6153 wpa_supplicant_select_network(wpa_s, ssid);
6154
b22128ef
JM
6155 return 0;
6156}
6157
6158
6159int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s,
6160 struct wpa_ssid *ssid, int addr_allocated,
c27f4c90
AK
6161 int force_freq, int neg_freq,
6162 int vht_center_freq2, int ht40,
6163 int vht, int max_oper_chwidth,
6164 const struct p2p_channels *channels,
dfaf11d6 6165 int connection_timeout, int force_scan)
b22128ef
JM
6166{
6167 struct p2p_go_neg_results params;
062a7c0d 6168 int go = 0, freq;
b22128ef
JM
6169
6170 if (ssid->disabled != 2 || ssid->ssid == NULL)
6171 return -1;
6172
6c0da49f
JM
6173 if (wpas_get_p2p_group(wpa_s, ssid->ssid, ssid->ssid_len, &go) &&
6174 go == (ssid->mode == WPAS_MODE_P2P_GO)) {
6175 wpa_printf(MSG_DEBUG, "P2P: Requested persistent group is "
6176 "already running");
ccad05a9
KV
6177 if (go == 0 &&
6178 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 6179 wpa_s->p2pdev, NULL)) {
ccad05a9
KV
6180 /*
6181 * This can happen if Invitation Response frame was lost
6182 * and the peer (GO of a persistent group) tries to
6183 * invite us again. Reschedule the timeout to avoid
6184 * terminating the wait for the connection too early
6185 * since we now know that the peer is still trying to
6186 * invite us instead of having already started the GO.
6187 */
6188 wpa_printf(MSG_DEBUG,
6189 "P2P: Reschedule group formation timeout since peer is still trying to invite us");
6190 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0,
6191 wpas_p2p_group_formation_timeout,
ba307f85 6192 wpa_s->p2pdev, NULL);
ccad05a9 6193 }
6c0da49f
JM
6194 return 0;
6195 }
6196
01a57fe4
JM
6197 os_free(wpa_s->global->add_psk);
6198 wpa_s->global->add_psk = NULL;
6199
9d39057c 6200 /* Make sure we are not running find during connection establishment */
8713a2e6 6201 wpas_p2p_stop_find_oper(wpa_s);
b22128ef 6202
aa9bb764
JM
6203 wpa_s->p2p_fallback_to_go_neg = 0;
6204
431dd8bb
MK
6205 if (ssid->mode == WPAS_MODE_P2P_GO) {
6206 if (force_freq > 0) {
6207 freq = wpas_p2p_select_go_freq(wpa_s, force_freq);
6208 if (freq < 0)
6209 return -1;
6210 } else {
6211 freq = wpas_p2p_select_go_freq(wpa_s, neg_freq);
6212 if (freq < 0 ||
e280110d 6213 (freq > 0 && !freq_included(wpa_s, channels, freq)))
431dd8bb
MK
6214 freq = 0;
6215 }
989e7846 6216 } else if (ssid->mode == WPAS_MODE_INFRA) {
431dd8bb 6217 freq = neg_freq;
e280110d 6218 if (freq <= 0 || !freq_included(wpa_s, channels, freq)) {
989e7846
AS
6219 struct os_reltime now;
6220 struct wpa_bss *bss =
6221 wpa_bss_get_p2p_dev_addr(wpa_s, ssid->bssid);
6222
6223 os_get_reltime(&now);
6224 if (bss &&
6225 !os_reltime_expired(&now, &bss->last_update, 5) &&
e280110d 6226 freq_included(wpa_s, channels, bss->freq))
989e7846
AS
6227 freq = bss->freq;
6228 else
6229 freq = 0;
6230 }
4abc0424 6231
dfaf11d6
JM
6232 return wpas_start_p2p_client(wpa_s, ssid, addr_allocated, freq,
6233 force_scan);
989e7846 6234 } else {
41d5ce9e 6235 return -1;
989e7846 6236 }
41d5ce9e 6237
c27f4c90
AK
6238 if (wpas_p2p_init_go_params(wpa_s, &params, freq, vht_center_freq2,
6239 ht40, vht, max_oper_chwidth, channels))
b8349523 6240 return -1;
b22128ef
JM
6241
6242 params.role_go = 1;
30c371e8
MH
6243 params.psk_set = ssid->psk_set;
6244 if (params.psk_set)
6245 os_memcpy(params.psk, ssid->psk, sizeof(params.psk));
bb4d4deb
MH
6246 if (ssid->passphrase) {
6247 if (os_strlen(ssid->passphrase) >= sizeof(params.passphrase)) {
6248 wpa_printf(MSG_ERROR, "P2P: Invalid passphrase in "
6249 "persistent group");
6250 return -1;
6251 }
6252 os_strlcpy(params.passphrase, ssid->passphrase,
6253 sizeof(params.passphrase));
b22128ef 6254 }
b22128ef
JM
6255 os_memcpy(params.ssid, ssid->ssid, ssid->ssid_len);
6256 params.ssid_len = ssid->ssid_len;
6257 params.persistent_group = 1;
6258
6259 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 1);
6260 if (wpa_s == NULL)
6261 return -1;
6262
1170239e
IP
6263 p2p_channels_to_freqs(channels, params.freq_list, P2P_MAX_CHANNELS);
6264
bbc6c729 6265 wpa_s->p2p_first_connection_timeout = connection_timeout;
b22128ef
JM
6266 wpas_start_wps_go(wpa_s, &params, 0);
6267
6268 return 0;
6269}
6270
6271
6272static void wpas_p2p_ie_update(void *ctx, struct wpabuf *beacon_ies,
6273 struct wpabuf *proberesp_ies)
6274{
6275 struct wpa_supplicant *wpa_s = ctx;
6276 if (wpa_s->ap_iface) {
6277 struct hostapd_data *hapd = wpa_s->ap_iface->bss[0];
adc33680
JM
6278 if (!(hapd->conf->p2p & P2P_GROUP_OWNER)) {
6279 wpabuf_free(beacon_ies);
6280 wpabuf_free(proberesp_ies);
6281 return;
6282 }
b22128ef
JM
6283 if (beacon_ies) {
6284 wpabuf_free(hapd->p2p_beacon_ie);
6285 hapd->p2p_beacon_ie = beacon_ies;
6286 }
6287 wpabuf_free(hapd->p2p_probe_resp_ie);
6288 hapd->p2p_probe_resp_ie = proberesp_ies;
6289 } else {
6290 wpabuf_free(beacon_ies);
6291 wpabuf_free(proberesp_ies);
6292 }
6293 wpa_supplicant_ap_update_beacon(wpa_s);
6294}
6295
6296
3071e181
JM
6297static void wpas_p2p_idle_update(void *ctx, int idle)
6298{
6299 struct wpa_supplicant *wpa_s = ctx;
6300 if (!wpa_s->ap_iface)
6301 return;
6302 wpa_printf(MSG_DEBUG, "P2P: GO - group %sidle", idle ? "" : "not ");
95fb2db2
JM
6303 if (idle) {
6304 if (wpa_s->global->p2p_fail_on_wps_complete &&
6305 wpa_s->p2p_in_provisioning) {
6306 wpas_p2p_grpform_fail_after_wps(wpa_s);
6307 return;
6308 }
3071e181 6309 wpas_p2p_set_group_idle_timeout(wpa_s);
95fb2db2 6310 } else
3071e181
JM
6311 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
6312}
6313
6314
b22128ef 6315struct p2p_group * wpas_p2p_group_init(struct wpa_supplicant *wpa_s,
6f251b6b 6316 struct wpa_ssid *ssid)
b22128ef
JM
6317{
6318 struct p2p_group *group;
6319 struct p2p_group_config *cfg;
6320
ad6cee3f
JM
6321 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL ||
6322 !ssid->p2p_group)
9526fd29 6323 return NULL;
3ac17eba 6324
b22128ef
JM
6325 cfg = os_zalloc(sizeof(*cfg));
6326 if (cfg == NULL)
6327 return NULL;
6328
6f251b6b 6329 if (ssid->p2p_persistent_group && wpa_s->conf->persistent_reconnect)
acc247b2 6330 cfg->persistent_group = 2;
6f251b6b 6331 else if (ssid->p2p_persistent_group)
acc247b2 6332 cfg->persistent_group = 1;
b22128ef 6333 os_memcpy(cfg->interface_addr, wpa_s->own_addr, ETH_ALEN);
3f4ce13f
JM
6334 if (wpa_s->max_stations &&
6335 wpa_s->max_stations < wpa_s->conf->max_num_sta)
6336 cfg->max_clients = wpa_s->max_stations;
6337 else
6338 cfg->max_clients = wpa_s->conf->max_num_sta;
6f251b6b
JM
6339 os_memcpy(cfg->ssid, ssid->ssid, ssid->ssid_len);
6340 cfg->ssid_len = ssid->ssid_len;
ea43ad96 6341 cfg->freq = ssid->frequency;
b22128ef
JM
6342 cfg->cb_ctx = wpa_s;
6343 cfg->ie_update = wpas_p2p_ie_update;
3071e181 6344 cfg->idle_update = wpas_p2p_idle_update;
f7648c86
JM
6345 cfg->ip_addr_alloc = WPA_GET_BE32(wpa_s->p2pdev->conf->ip_addr_start)
6346 != 0;
b22128ef
JM
6347
6348 group = p2p_group_init(wpa_s->global->p2p, cfg);
6349 if (group == NULL)
6350 os_free(cfg);
6f251b6b 6351 if (ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION)
b22128ef
JM
6352 p2p_group_notif_formation_done(group);
6353 wpa_s->p2p_group = group;
6354 return group;
6355}
6356
6357
6358void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
6359 int registrar)
6360{
10531d21
JM
6361 struct wpa_ssid *ssid = wpa_s->current_ssid;
6362
b22128ef
JM
6363 if (!wpa_s->p2p_in_provisioning) {
6364 wpa_printf(MSG_DEBUG, "P2P: Ignore WPS success event - P2P "
6365 "provisioning not in progress");
6366 return;
6367 }
6368
10531d21
JM
6369 if (ssid && ssid->mode == WPAS_MODE_INFRA) {
6370 u8 go_dev_addr[ETH_ALEN];
6371 os_memcpy(go_dev_addr, wpa_s->bssid, ETH_ALEN);
6372 wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid,
6373 ssid->ssid_len);
6374 /* Clear any stored provisioning info */
6375 p2p_clear_provisioning_info(wpa_s->global->p2p, go_dev_addr);
6376 }
ec437d9e 6377
ba307f85 6378 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->p2pdev,
b22128ef 6379 NULL);
41f85323 6380 wpa_s->p2p_go_group_formation_completed = 1;
361cdf34
JM
6381 if (ssid && ssid->mode == WPAS_MODE_INFRA) {
6382 /*
6383 * Use a separate timeout for initial data connection to
6384 * complete to allow the group to be removed automatically if
6385 * something goes wrong in this step before the P2P group idle
6386 * timeout mechanism is taken into use.
6387 */
41f85323
JM
6388 wpa_dbg(wpa_s, MSG_DEBUG,
6389 "P2P: Re-start group formation timeout (%d seconds) as client for initial connection",
6390 P2P_MAX_INITIAL_CONN_WAIT);
361cdf34
JM
6391 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0,
6392 wpas_p2p_group_formation_timeout,
ba307f85 6393 wpa_s->p2pdev, NULL);
328f49ac
JM
6394 /* Complete group formation on successful data connection. */
6395 wpa_s->p2p_go_group_formation_completed = 0;
41f85323
JM
6396 } else if (ssid) {
6397 /*
6398 * Use a separate timeout for initial data connection to
6399 * complete to allow the group to be removed automatically if
6400 * the client does not complete data connection successfully.
6401 */
6402 wpa_dbg(wpa_s, MSG_DEBUG,
6403 "P2P: Re-start group formation timeout (%d seconds) as GO for initial connection",
6404 P2P_MAX_INITIAL_CONN_WAIT_GO);
6405 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT_GO, 0,
6406 wpas_p2p_group_formation_timeout,
ba307f85 6407 wpa_s->p2pdev, NULL);
41f85323
JM
6408 /*
6409 * Complete group formation on first successful data connection
6410 */
6411 wpa_s->p2p_go_group_formation_completed = 0;
361cdf34 6412 }
b22128ef
JM
6413 if (wpa_s->global->p2p)
6414 p2p_wps_success_cb(wpa_s->global->p2p, peer_addr);
d95c5994 6415 wpas_group_formation_completed(wpa_s, 1, 0);
b22128ef
JM
6416}
6417
6418
3734552f
JS
6419void wpas_p2p_wps_failed(struct wpa_supplicant *wpa_s,
6420 struct wps_event_fail *fail)
6421{
6422 if (!wpa_s->p2p_in_provisioning) {
6423 wpa_printf(MSG_DEBUG, "P2P: Ignore WPS fail event - P2P "
6424 "provisioning not in progress");
6425 return;
6426 }
ec437d9e
JJ
6427
6428 if (wpa_s->go_params) {
6429 p2p_clear_provisioning_info(
6430 wpa_s->global->p2p,
10531d21 6431 wpa_s->go_params->peer_device_addr);
ec437d9e
JJ
6432 }
6433
3734552f 6434 wpas_notify_p2p_wps_failed(wpa_s, fail);
95fb2db2
JM
6435
6436 if (wpa_s == wpa_s->global->p2p_group_formation) {
6437 /*
6438 * Allow some time for the failed WPS negotiation exchange to
6439 * complete, but remove the group since group formation cannot
6440 * succeed after provisioning failure.
6441 */
6442 wpa_printf(MSG_DEBUG, "P2P: WPS step failed during group formation - reject connection from timeout");
6443 wpa_s->global->p2p_fail_on_wps_complete = 1;
6444 eloop_deplete_timeout(0, 50000,
6445 wpas_p2p_group_formation_timeout,
ba307f85 6446 wpa_s->p2pdev, NULL);
95fb2db2
JM
6447 }
6448}
6449
6450
6451int wpas_p2p_wps_eapol_cb(struct wpa_supplicant *wpa_s)
6452{
6453 if (!wpa_s->global->p2p_fail_on_wps_complete ||
6454 !wpa_s->p2p_in_provisioning)
6455 return 0;
6456
6457 wpas_p2p_grpform_fail_after_wps(wpa_s);
6458
6459 return 1;
3734552f
JS
6460}
6461
6462
b22128ef 6463int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
0918c4bf 6464 const char *config_method,
6d908514
KV
6465 enum wpas_p2p_prov_disc_use use,
6466 struct p2ps_provision *p2ps_prov)
b22128ef
JM
6467{
6468 u16 config_methods;
6469
9a58e521 6470 wpa_s->global->pending_p2ps_group = 0;
8bb8e6ed 6471 wpa_s->global->pending_p2ps_group_freq = 0;
aa9bb764 6472 wpa_s->p2p_fallback_to_go_neg = 0;
0918c4bf 6473 wpa_s->pending_pd_use = NORMAL_PD;
6d908514
KV
6474 if (p2ps_prov && use == WPAS_P2P_PD_FOR_ASP) {
6475 p2ps_prov->conncap = p2ps_group_capability(
ebd32943
IP
6476 wpa_s, P2PS_SETUP_NONE, p2ps_prov->role,
6477 &p2ps_prov->force_freq, &p2ps_prov->pref_freq);
6478
6d908514
KV
6479 wpa_printf(MSG_DEBUG,
6480 "P2P: %s conncap: %d - ASP parsed: %x %x %d %s",
6481 __func__, p2ps_prov->conncap,
6482 p2ps_prov->adv_id, p2ps_prov->conncap,
6483 p2ps_prov->status, p2ps_prov->info);
6484
6485 config_methods = 0;
6486 } else if (os_strncmp(config_method, "display", 7) == 0)
b22128ef 6487 config_methods = WPS_CONFIG_DISPLAY;
8c5f7309 6488 else if (os_strncmp(config_method, "keypad", 6) == 0)
b22128ef 6489 config_methods = WPS_CONFIG_KEYPAD;
8c5f7309
JJ
6490 else if (os_strncmp(config_method, "pbc", 3) == 0 ||
6491 os_strncmp(config_method, "pushbutton", 10) == 0)
b22128ef 6492 config_methods = WPS_CONFIG_PUSHBUTTON;
8c5f7309
JJ
6493 else {
6494 wpa_printf(MSG_DEBUG, "P2P: Unknown config method");
6d908514 6495 os_free(p2ps_prov);
b22128ef 6496 return -1;
8c5f7309 6497 }
b22128ef 6498
0918c4bf
JM
6499 if (use == WPAS_P2P_PD_AUTO) {
6500 os_memcpy(wpa_s->pending_join_dev_addr, peer_addr, ETH_ALEN);
6501 wpa_s->pending_pd_config_methods = config_methods;
6502 wpa_s->p2p_auto_pd = 1;
6503 wpa_s->p2p_auto_join = 0;
6504 wpa_s->pending_pd_before_join = 0;
84286a22 6505 wpa_s->auto_pd_scan_retry = 0;
0918c4bf
JM
6506 wpas_p2p_stop_find(wpa_s);
6507 wpa_s->p2p_join_scan_count = 0;
acb69cec 6508 os_get_reltime(&wpa_s->p2p_auto_started);
84286a22
SDU
6509 wpa_printf(MSG_DEBUG, "P2P: Auto PD started at %ld.%06ld",
6510 wpa_s->p2p_auto_started.sec,
6511 wpa_s->p2p_auto_started.usec);
0918c4bf
JM
6512 wpas_p2p_join_scan(wpa_s, NULL);
6513 return 0;
6514 }
6515
6d908514
KV
6516 if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled) {
6517 os_free(p2ps_prov);
b22128ef 6518 return -1;
6d908514 6519 }
b22128ef 6520
6d908514 6521 return p2p_prov_disc_req(wpa_s->global->p2p, peer_addr, p2ps_prov,
0918c4bf 6522 config_methods, use == WPAS_P2P_PD_FOR_JOIN,
67527166 6523 0, 1);
b22128ef
JM
6524}
6525
6526
6527int wpas_p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
6528 char *end)
6529{
6530 return p2p_scan_result_text(ies, ies_len, buf, end);
6531}
6532
6533
1cc3a29d
JM
6534static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant *wpa_s)
6535{
2f3101d8 6536 if (!offchannel_pending_action_tx(wpa_s))
1cc3a29d
JM
6537 return;
6538
944f6935 6539 if (wpa_s->p2p_send_action_work) {
2c51c0bd 6540 wpas_p2p_free_send_action_work(wpa_s);
944f6935
JM
6541 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout,
6542 wpa_s, NULL);
6543 offchannel_send_action_done(wpa_s);
6544 }
2fa980f0 6545
1cc3a29d
JM
6546 wpa_printf(MSG_DEBUG, "P2P: Drop pending Action TX due to new "
6547 "operation request");
2f3101d8 6548 offchannel_clear_pending_action_tx(wpa_s);
1cc3a29d
JM
6549}
6550
6551
b22128ef 6552int wpas_p2p_find(struct wpa_supplicant *wpa_s, unsigned int timeout,
046ef4aa 6553 enum p2p_discovery_type type,
6d92fa6e 6554 unsigned int num_req_dev_types, const u8 *req_dev_types,
51775096 6555 const u8 *dev_id, unsigned int search_delay,
fa9f381f 6556 u8 seek_cnt, const char **seek_string, int freq)
b22128ef 6557{
1cc3a29d 6558 wpas_p2p_clear_pending_action_tx(wpa_s);
b22128ef
JM
6559 wpa_s->p2p_long_listen = 0;
6560
5bda43cd 6561 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL ||
85a6cdb5 6562 wpa_s->p2p_in_provisioning)
9526fd29
JM
6563 return -1;
6564
433cd2ce
JM
6565 wpa_supplicant_cancel_sched_scan(wpa_s);
6566
046ef4aa 6567 return p2p_find(wpa_s->global->p2p, timeout, type,
37448ede 6568 num_req_dev_types, req_dev_types, dev_id,
fa9f381f 6569 search_delay, seek_cnt, seek_string, freq);
b22128ef
JM
6570}
6571
6572
477b082c
SD
6573static void wpas_p2p_scan_res_ignore_search(struct wpa_supplicant *wpa_s,
6574 struct wpa_scan_results *scan_res)
6575{
6576 wpa_printf(MSG_DEBUG, "P2P: Ignore scan results");
6577
6578 if (wpa_s->p2p_scan_work) {
6579 struct wpa_radio_work *work = wpa_s->p2p_scan_work;
6580 wpa_s->p2p_scan_work = NULL;
6581 radio_work_done(work);
6582 }
6583
6584 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6585 return;
6586
6587 /*
6588 * Indicate that results have been processed so that the P2P module can
6589 * continue pending tasks.
6590 */
6591 p2p_scan_res_handled(wpa_s->global->p2p);
6592}
6593
6594
a6294141 6595static void wpas_p2p_stop_find_oper(struct wpa_supplicant *wpa_s)
b22128ef 6596{
1cc3a29d 6597 wpas_p2p_clear_pending_action_tx(wpa_s);
b22128ef 6598 wpa_s->p2p_long_listen = 0;
9d39057c 6599 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
ef922c4a 6600 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
b22128ef 6601
9526fd29
JM
6602 if (wpa_s->global->p2p)
6603 p2p_stop_find(wpa_s->global->p2p);
477b082c
SD
6604
6605 if (wpa_s->scan_res_handler == wpas_p2p_scan_res_handler) {
6606 wpa_printf(MSG_DEBUG,
6607 "P2P: Do not consider the scan results after stop_find");
6608 wpa_s->scan_res_handler = wpas_p2p_scan_res_ignore_search;
6609 }
8713a2e6
JM
6610}
6611
6612
6613void wpas_p2p_stop_find(struct wpa_supplicant *wpa_s)
6614{
a6294141 6615 wpas_p2p_stop_find_oper(wpa_s);
93eca615
KV
6616 if (!wpa_s->global->pending_group_iface_for_p2ps)
6617 wpas_p2p_remove_pending_group_interface(wpa_s);
b22128ef
JM
6618}
6619
6620
6621static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx)
6622{
6623 struct wpa_supplicant *wpa_s = eloop_ctx;
6624 wpa_s->p2p_long_listen = 0;
6625}
6626
6627
6628int wpas_p2p_listen(struct wpa_supplicant *wpa_s, unsigned int timeout)
6629{
6630 int res;
6631
9526fd29
JM
6632 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6633 return -1;
6634
a6f5b193
PX
6635 if (wpa_s->p2p_lo_started) {
6636 wpa_printf(MSG_DEBUG,
6637 "P2P: Cannot start P2P listen, it is offloaded");
6638 return -1;
6639 }
6640
433cd2ce 6641 wpa_supplicant_cancel_sched_scan(wpa_s);
1cc3a29d
JM
6642 wpas_p2p_clear_pending_action_tx(wpa_s);
6643
b22128ef
JM
6644 if (timeout == 0) {
6645 /*
6646 * This is a request for unlimited Listen state. However, at
6647 * least for now, this is mapped to a Listen state for one
6648 * hour.
6649 */
6650 timeout = 3600;
6651 }
6652 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
6653 wpa_s->p2p_long_listen = 0;
6654
2bb747e2
JM
6655 /*
6656 * Stop previous find/listen operation to avoid trying to request a new
6657 * remain-on-channel operation while the driver is still running the
6658 * previous one.
6659 */
6660 if (wpa_s->global->p2p)
6661 p2p_stop_find(wpa_s->global->p2p);
6662
b22128ef
JM
6663 res = wpas_p2p_listen_start(wpa_s, timeout * 1000);
6664 if (res == 0 && timeout * 1000 > wpa_s->max_remain_on_chan) {
11fb02be 6665 wpa_s->p2p_long_listen = timeout * 1000;
b22128ef
JM
6666 eloop_register_timeout(timeout, 0,
6667 wpas_p2p_long_listen_timeout,
6668 wpa_s, NULL);
6669 }
6670
6671 return res;
6672}
6673
6674
4c08c0bd 6675int wpas_p2p_assoc_req_ie(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
b22128ef
JM
6676 u8 *buf, size_t len, int p2p_group)
6677{
4c08c0bd
JM
6678 struct wpabuf *p2p_ie;
6679 int ret;
6680
b22128ef
JM
6681 if (wpa_s->global->p2p_disabled)
6682 return -1;
d63f1419
SD
6683 /*
6684 * Advertize mandatory cross connection capability even on
6685 * p2p_disabled=1 interface when associating with a P2P Manager WLAN AP.
6686 */
6687 if (wpa_s->conf->p2p_disabled && p2p_group)
1c2aa04c 6688 return -1;
b22128ef
JM
6689 if (wpa_s->global->p2p == NULL)
6690 return -1;
e1f1509b
JM
6691 if (bss == NULL)
6692 return -1;
b22128ef 6693
4c08c0bd
JM
6694 p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
6695 ret = p2p_assoc_req_ie(wpa_s->global->p2p, bss->bssid, buf, len,
6696 p2p_group, p2p_ie);
6697 wpabuf_free(p2p_ie);
6698
6699 return ret;
b22128ef
JM
6700}
6701
6702
6703int wpas_p2p_probe_req_rx(struct wpa_supplicant *wpa_s, const u8 *addr,
04a85e44 6704 const u8 *dst, const u8 *bssid,
734ddf61
MS
6705 const u8 *ie, size_t ie_len,
6706 unsigned int rx_freq, int ssi_signal)
b22128ef
JM
6707{
6708 if (wpa_s->global->p2p_disabled)
6709 return 0;
6710 if (wpa_s->global->p2p == NULL)
6711 return 0;
6712
2d43d37f 6713 switch (p2p_probe_req_rx(wpa_s->global->p2p, addr, dst, bssid,
a6f5b193 6714 ie, ie_len, rx_freq, wpa_s->p2p_lo_started)) {
2d43d37f
JB
6715 case P2P_PREQ_NOT_P2P:
6716 wpas_notify_preq(wpa_s, addr, dst, bssid, ie, ie_len,
6717 ssi_signal);
6718 /* fall through */
6719 case P2P_PREQ_MALFORMED:
6720 case P2P_PREQ_NOT_LISTEN:
6721 case P2P_PREQ_NOT_PROCESSED:
6722 default: /* make gcc happy */
6723 return 0;
6724 case P2P_PREQ_PROCESSED:
6725 return 1;
6726 }
b22128ef
JM
6727}
6728
6729
6730void wpas_p2p_rx_action(struct wpa_supplicant *wpa_s, const u8 *da,
6731 const u8 *sa, const u8 *bssid,
6732 u8 category, const u8 *data, size_t len, int freq)
6733{
6734 if (wpa_s->global->p2p_disabled)
6735 return;
6736 if (wpa_s->global->p2p == NULL)
6737 return;
6738
6739 p2p_rx_action(wpa_s->global->p2p, da, sa, bssid, category, data, len,
6740 freq);
6741}
6742
6743
6744void wpas_p2p_scan_ie(struct wpa_supplicant *wpa_s, struct wpabuf *ies)
6745{
c58eed6d
LD
6746 unsigned int bands;
6747
b22128ef
JM
6748 if (wpa_s->global->p2p_disabled)
6749 return;
6750 if (wpa_s->global->p2p == NULL)
6751 return;
6752
c58eed6d
LD
6753 bands = wpas_get_bands(wpa_s, NULL);
6754 p2p_scan_ie(wpa_s->global->p2p, ies, NULL, bands);
b22128ef
JM
6755}
6756
6757
bd10d938 6758static void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s)
b22128ef
JM
6759{
6760 p2p_group_deinit(wpa_s->p2p_group);
6761 wpa_s->p2p_group = NULL;
a7fd39bb
JD
6762
6763 wpa_s->ap_configured_cb = NULL;
6764 wpa_s->ap_configured_cb_ctx = NULL;
6765 wpa_s->ap_configured_cb_data = NULL;
6766 wpa_s->connect_without_scan = NULL;
b22128ef
JM
6767}
6768
6769
6770int wpas_p2p_reject(struct wpa_supplicant *wpa_s, const u8 *addr)
6771{
6772 wpa_s->p2p_long_listen = 0;
6773
9526fd29
JM
6774 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6775 return -1;
6776
b22128ef
JM
6777 return p2p_reject(wpa_s->global->p2p, addr);
6778}
6779
6780
6781/* Invite to reinvoke a persistent group */
6782int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
4d32c0c4 6783 struct wpa_ssid *ssid, const u8 *go_dev_addr, int freq,
c27f4c90
AK
6784 int vht_center_freq2, int ht40, int vht, int max_chwidth,
6785 int pref_freq)
b22128ef
JM
6786{
6787 enum p2p_invite_role role;
0d08efa4
IP
6788 u8 *bssid = NULL;
6789 int force_freq = 0;
5de4b721 6790 int res;
d0f61a4b 6791 int no_pref_freq_given = pref_freq == 0;
370017d9 6792 unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size;
b22128ef 6793
dbca75f8 6794 wpa_s->global->p2p_invite_group = NULL;
77e4e853
JM
6795 if (peer_addr)
6796 os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN);
6797 else
6798 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6799
4d32c0c4
JM
6800 wpa_s->p2p_persistent_go_freq = freq;
6801 wpa_s->p2p_go_ht40 = !!ht40;
c27f4c90
AK
6802 wpa_s->p2p_go_vht = !!vht;
6803 wpa_s->p2p_go_max_oper_chwidth = max_chwidth;
6804 wpa_s->p2p_go_vht_center_freq2 = vht_center_freq2;
b22128ef
JM
6805 if (ssid->mode == WPAS_MODE_P2P_GO) {
6806 role = P2P_INVITE_ROLE_GO;
6807 if (peer_addr == NULL) {
6808 wpa_printf(MSG_DEBUG, "P2P: Missing peer "
6809 "address in invitation command");
6810 return -1;
6811 }
6812 if (wpas_p2p_create_iface(wpa_s)) {
6813 if (wpas_p2p_add_group_interface(wpa_s,
6814 WPA_IF_P2P_GO) < 0) {
6815 wpa_printf(MSG_ERROR, "P2P: Failed to "
6816 "allocate a new interface for the "
6817 "group");
6818 return -1;
6819 }
6820 bssid = wpa_s->pending_interface_addr;
96a26ab7
LD
6821 } else if (wpa_s->p2p_mgmt)
6822 bssid = wpa_s->parent->own_addr;
6823 else
b22128ef
JM
6824 bssid = wpa_s->own_addr;
6825 } else {
6826 role = P2P_INVITE_ROLE_CLIENT;
6827 peer_addr = ssid->bssid;
6828 }
6829 wpa_s->pending_invite_ssid_id = ssid->id;
6830
370017d9 6831 size = P2P_MAX_PREF_CHANNELS;
51e9f228 6832 res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq,
370017d9
AK
6833 role == P2P_INVITE_ROLE_GO,
6834 pref_freq_list, &size);
5de4b721
JM
6835 if (res)
6836 return res;
79879f4a 6837
9526fd29
JM
6838 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6839 return -1;
6840
1b3dd69d
AB
6841 p2p_set_own_pref_freq_list(wpa_s->global->p2p, pref_freq_list, size);
6842
d0f61a4b
JM
6843 if (wpa_s->parent->conf->p2p_ignore_shared_freq &&
6844 no_pref_freq_given && pref_freq > 0 &&
6845 wpa_s->num_multichan_concurrent > 1 &&
6846 wpas_p2p_num_unused_channels(wpa_s) > 0) {
6847 wpa_printf(MSG_DEBUG, "P2P: Ignore own channel preference %d MHz for invitation due to p2p_ignore_shared_freq=1 configuration",
6848 pref_freq);
6849 pref_freq = 0;
6850 }
6851
b72b2ad3
IP
6852 /*
6853 * Stop any find/listen operations before invitation and possibly
6854 * connection establishment.
6855 */
6856 wpas_p2p_stop_find_oper(wpa_s);
6857
b22128ef 6858 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
79879f4a 6859 ssid->ssid, ssid->ssid_len, force_freq, go_dev_addr,
8e9f53c3 6860 1, pref_freq, -1);
b22128ef
JM
6861}
6862
6863
6864/* Invite to join an active group */
6865int wpas_p2p_invite_group(struct wpa_supplicant *wpa_s, const char *ifname,
6866 const u8 *peer_addr, const u8 *go_dev_addr)
6867{
6868 struct wpa_global *global = wpa_s->global;
6869 enum p2p_invite_role role;
0d08efa4 6870 u8 *bssid = NULL;
b22128ef 6871 struct wpa_ssid *ssid;
c427ac92 6872 int persistent;
73b54d63 6873 int freq = 0, force_freq = 0, pref_freq = 0;
5de4b721 6874 int res;
370017d9 6875 unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size;
b22128ef 6876
4d32c0c4
JM
6877 wpa_s->p2p_persistent_go_freq = 0;
6878 wpa_s->p2p_go_ht40 = 0;
20ea1ca4 6879 wpa_s->p2p_go_vht = 0;
c27f4c90
AK
6880 wpa_s->p2p_go_vht_center_freq2 = 0;
6881 wpa_s->p2p_go_max_oper_chwidth = 0;
4d32c0c4 6882
b22128ef
JM
6883 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6884 if (os_strcmp(wpa_s->ifname, ifname) == 0)
6885 break;
6886 }
6887 if (wpa_s == NULL) {
6888 wpa_printf(MSG_DEBUG, "P2P: Interface '%s' not found", ifname);
6889 return -1;
6890 }
6891
6892 ssid = wpa_s->current_ssid;
6893 if (ssid == NULL) {
6894 wpa_printf(MSG_DEBUG, "P2P: No current SSID to use for "
6895 "invitation");
6896 return -1;
6897 }
6898
dbca75f8 6899 wpa_s->global->p2p_invite_group = wpa_s;
c427ac92 6900 persistent = ssid->p2p_persistent_group &&
ba307f85 6901 wpas_p2p_get_persistent(wpa_s->p2pdev, peer_addr,
c427ac92
JM
6902 ssid->ssid, ssid->ssid_len);
6903
b22128ef
JM
6904 if (ssid->mode == WPAS_MODE_P2P_GO) {
6905 role = P2P_INVITE_ROLE_ACTIVE_GO;
6906 bssid = wpa_s->own_addr;
6907 if (go_dev_addr == NULL)
d7e70476 6908 go_dev_addr = wpa_s->global->p2p_dev_addr;
73b54d63 6909 freq = ssid->frequency;
b22128ef
JM
6910 } else {
6911 role = P2P_INVITE_ROLE_CLIENT;
6912 if (wpa_s->wpa_state < WPA_ASSOCIATED) {
6913 wpa_printf(MSG_DEBUG, "P2P: Not associated - cannot "
6914 "invite to current group");
6915 return -1;
6916 }
6917 bssid = wpa_s->bssid;
6918 if (go_dev_addr == NULL &&
6919 !is_zero_ether_addr(wpa_s->go_dev_addr))
6920 go_dev_addr = wpa_s->go_dev_addr;
73b54d63
JM
6921 freq = wpa_s->current_bss ? wpa_s->current_bss->freq :
6922 (int) wpa_s->assoc_freq;
b22128ef 6923 }
ba307f85 6924 wpa_s->p2pdev->pending_invite_ssid_id = -1;
b22128ef 6925
9526fd29
JM
6926 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6927 return -1;
6928
370017d9 6929 size = P2P_MAX_PREF_CHANNELS;
51e9f228 6930 res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq,
370017d9
AK
6931 role == P2P_INVITE_ROLE_ACTIVE_GO,
6932 pref_freq_list, &size);
5de4b721
JM
6933 if (res)
6934 return res;
0d08efa4 6935 wpas_p2p_set_own_freq_preference(wpa_s, force_freq);
79879f4a 6936
b22128ef 6937 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
79879f4a 6938 ssid->ssid, ssid->ssid_len, force_freq,
8e9f53c3 6939 go_dev_addr, persistent, pref_freq, -1);
b22128ef
JM
6940}
6941
6942
6943void wpas_p2p_completed(struct wpa_supplicant *wpa_s)
6944{
6945 struct wpa_ssid *ssid = wpa_s->current_ssid;
b22128ef
JM
6946 u8 go_dev_addr[ETH_ALEN];
6947 int persistent;
b49d6ccb 6948 int freq;
25ef8529
JM
6949 u8 ip[3 * 4];
6950 char ip_addr[100];
b22128ef 6951
73ccd083
JM
6952 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION) {
6953 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 6954 wpa_s->p2pdev, NULL);
73ccd083 6955 }
361cdf34 6956
b22128ef 6957 if (!wpa_s->show_group_started || !ssid)
1b5d4714 6958 return;
b22128ef
JM
6959
6960 wpa_s->show_group_started = 0;
328f49ac
JM
6961 if (!wpa_s->p2p_go_group_formation_completed &&
6962 wpa_s->global->p2p_group_formation == wpa_s) {
6963 wpa_dbg(wpa_s, MSG_DEBUG,
6964 "P2P: Marking group formation completed on client on data connection");
6965 wpa_s->p2p_go_group_formation_completed = 1;
6966 wpa_s->global->p2p_group_formation = NULL;
6967 wpa_s->p2p_in_provisioning = 0;
6968 wpa_s->p2p_in_invitation = 0;
6969 }
b22128ef 6970
b22128ef
JM
6971 os_memset(go_dev_addr, 0, ETH_ALEN);
6972 if (ssid->bssid_set)
6973 os_memcpy(go_dev_addr, ssid->bssid, ETH_ALEN);
6974 persistent = wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid,
6975 ssid->ssid_len);
6976 os_memcpy(wpa_s->go_dev_addr, go_dev_addr, ETH_ALEN);
6977
a0a9f3b0
JM
6978 if (wpa_s->global->p2p_group_formation == wpa_s)
6979 wpa_s->global->p2p_group_formation = NULL;
6980
b49d6ccb
JJ
6981 freq = wpa_s->current_bss ? wpa_s->current_bss->freq :
6982 (int) wpa_s->assoc_freq;
25ef8529
JM
6983
6984 ip_addr[0] = '\0';
6985 if (wpa_sm_get_p2p_ip_addr(wpa_s->wpa, ip) == 0) {
1d399771
JM
6986 int res;
6987
6988 res = os_snprintf(ip_addr, sizeof(ip_addr),
6989 " ip_addr=%u.%u.%u.%u "
6990 "ip_mask=%u.%u.%u.%u go_ip_addr=%u.%u.%u.%u",
6991 ip[0], ip[1], ip[2], ip[3],
6992 ip[4], ip[5], ip[6], ip[7],
6993 ip[8], ip[9], ip[10], ip[11]);
6994 if (os_snprintf_error(sizeof(ip_addr), res))
6995 ip_addr[0] = '\0';
25ef8529
JM
6996 }
6997
f8723e1e
JM
6998 wpas_p2p_group_started(wpa_s, 0, ssid, freq,
6999 ssid->passphrase == NULL && ssid->psk_set ?
7000 ssid->psk : NULL,
7001 ssid->passphrase, go_dev_addr, persistent,
7002 ip_addr);
b22128ef
JM
7003
7004 if (persistent)
4fe50bbc
NC
7005 wpas_p2p_store_persistent_group(wpa_s->p2pdev,
7006 ssid, go_dev_addr);
7007
7008 wpas_notify_p2p_group_started(wpa_s, ssid, persistent, 1);
b22128ef
JM
7009}
7010
7011
7012int wpas_p2p_presence_req(struct wpa_supplicant *wpa_s, u32 duration1,
7013 u32 interval1, u32 duration2, u32 interval2)
7014{
c64e3a08
JM
7015 int ret;
7016
9526fd29
JM
7017 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
7018 return -1;
3ac17eba 7019
b22128ef
JM
7020 if (wpa_s->wpa_state < WPA_ASSOCIATED ||
7021 wpa_s->current_ssid == NULL ||
7022 wpa_s->current_ssid->mode != WPAS_MODE_INFRA)
7023 return -1;
7024
c64e3a08
JM
7025 ret = p2p_presence_req(wpa_s->global->p2p, wpa_s->bssid,
7026 wpa_s->own_addr, wpa_s->assoc_freq,
7027 duration1, interval1, duration2, interval2);
7028 if (ret == 0)
7029 wpa_s->waiting_presence_resp = 1;
7030
7031 return ret;
b22128ef
JM
7032}
7033
7034
7035int wpas_p2p_ext_listen(struct wpa_supplicant *wpa_s, unsigned int period,
7036 unsigned int interval)
7037{
9526fd29
JM
7038 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
7039 return -1;
7040
b22128ef
JM
7041 return p2p_ext_listen(wpa_s->global->p2p, period, interval);
7042}
7043
7044
c8106615
JM
7045static int wpas_p2p_is_client(struct wpa_supplicant *wpa_s)
7046{
5fbddfdc
JM
7047 if (wpa_s->current_ssid == NULL) {
7048 /*
c7deed74 7049 * current_ssid can be cleared when P2P client interface gets
5fbddfdc
JM
7050 * disconnected, so assume this interface was used as P2P
7051 * client.
7052 */
7053 return 1;
7054 }
7055 return wpa_s->current_ssid->p2p_group &&
c8106615
JM
7056 wpa_s->current_ssid->mode == WPAS_MODE_INFRA;
7057}
7058
7059
3071e181
JM
7060static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx)
7061{
7062 struct wpa_supplicant *wpa_s = eloop_ctx;
7063
c8106615 7064 if (wpa_s->conf->p2p_group_idle == 0 && !wpas_p2p_is_client(wpa_s)) {
3071e181
JM
7065 wpa_printf(MSG_DEBUG, "P2P: Ignore group idle timeout - "
7066 "disabled");
7067 return;
7068 }
7069
7070 wpa_printf(MSG_DEBUG, "P2P: Group idle timeout reached - terminate "
7071 "group");
8dba4aef 7072 wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_IDLE_TIMEOUT);
3071e181
JM
7073}
7074
7075
7076static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s)
7077{
5f482d55 7078 int timeout;
c8106615 7079
dddc7045
JM
7080 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0)
7081 wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout");
7082
c8106615 7083 if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group)
3071e181
JM
7084 return;
7085
c8106615
JM
7086 timeout = wpa_s->conf->p2p_group_idle;
7087 if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
7088 (timeout == 0 || timeout > P2P_MAX_CLIENT_IDLE))
7089 timeout = P2P_MAX_CLIENT_IDLE;
7090
7091 if (timeout == 0)
3071e181
JM
7092 return;
7093
5f482d55
JM
7094 if (timeout < 0) {
7095 if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA)
7096 timeout = 0; /* special client mode no-timeout */
7097 else
7098 return;
7099 }
7100
8c472816
JM
7101 if (wpa_s->p2p_in_provisioning) {
7102 /*
7103 * Use the normal group formation timeout during the
7104 * provisioning phase to avoid terminating this process too
7105 * early due to group idle timeout.
7106 */
7107 wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout "
7108 "during provisioning");
7109 return;
7110 }
7111
361cdf34
JM
7112 if (wpa_s->show_group_started) {
7113 /*
7114 * Use the normal group formation timeout between the end of
7115 * the provisioning phase and completion of 4-way handshake to
7116 * avoid terminating this process too early due to group idle
7117 * timeout.
7118 */
7119 wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout "
7120 "while waiting for initial 4-way handshake to "
7121 "complete");
7122 return;
7123 }
7124
3071e181 7125 wpa_printf(MSG_DEBUG, "P2P: Set P2P group idle timeout to %u seconds",
c8106615
JM
7126 timeout);
7127 eloop_register_timeout(timeout, 0, wpas_p2p_group_idle_timeout,
7128 wpa_s, NULL);
3071e181
JM
7129}
7130
7131
0aadd568
JM
7132/* Returns 1 if the interface was removed */
7133int wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
7134 u16 reason_code, const u8 *ie, size_t ie_len,
7135 int locally_generated)
b22128ef 7136{
9526fd29 7137 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
0aadd568 7138 return 0;
b22128ef 7139
3fc14102
JM
7140 if (!locally_generated)
7141 p2p_deauth_notif(wpa_s->global->p2p, bssid, reason_code, ie,
7142 ie_len);
7143
7144 if (reason_code == WLAN_REASON_DEAUTH_LEAVING && !locally_generated &&
7145 wpa_s->current_ssid &&
7146 wpa_s->current_ssid->p2p_group &&
7147 wpa_s->current_ssid->mode == WPAS_MODE_INFRA) {
7148 wpa_printf(MSG_DEBUG, "P2P: GO indicated that the P2P Group "
7149 "session is ending");
0aadd568
JM
7150 if (wpas_p2p_group_delete(wpa_s,
7151 P2P_GROUP_REMOVAL_GO_ENDING_SESSION)
7152 > 0)
7153 return 1;
3fc14102 7154 }
0aadd568
JM
7155
7156 return 0;
b22128ef
JM
7157}
7158
7159
7160void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
3fc14102
JM
7161 u16 reason_code, const u8 *ie, size_t ie_len,
7162 int locally_generated)
b22128ef 7163{
9526fd29 7164 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
b22128ef
JM
7165 return;
7166
3fc14102
JM
7167 if (!locally_generated)
7168 p2p_disassoc_notif(wpa_s->global->p2p, bssid, reason_code, ie,
7169 ie_len);
b22128ef
JM
7170}
7171
7172
7173void wpas_p2p_update_config(struct wpa_supplicant *wpa_s)
7174{
7175 struct p2p_data *p2p = wpa_s->global->p2p;
7176
7177 if (p2p == NULL)
7178 return;
7179
4c010834
KL
7180 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
7181 return;
7182
b22128ef
JM
7183 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_NAME)
7184 p2p_set_dev_name(p2p, wpa_s->conf->device_name);
7185
2f646b6e
JB
7186 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE)
7187 p2p_set_pri_dev_type(p2p, wpa_s->conf->device_type);
b22128ef 7188
b6e01800
JM
7189 if (wpa_s->wps &&
7190 (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS))
7191 p2p_set_config_methods(p2p, wpa_s->wps->config_methods);
7192
7193 if (wpa_s->wps && (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID))
7194 p2p_set_uuid(p2p, wpa_s->wps->uuid);
7195
7196 if (wpa_s->conf->changed_parameters & CFG_CHANGED_WPS_STRING) {
7197 p2p_set_manufacturer(p2p, wpa_s->conf->manufacturer);
7198 p2p_set_model_name(p2p, wpa_s->conf->model_name);
7199 p2p_set_model_number(p2p, wpa_s->conf->model_number);
7200 p2p_set_serial_number(p2p, wpa_s->conf->serial_number);
7201 }
7202
2f646b6e
JB
7203 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE)
7204 p2p_set_sec_dev_types(p2p,
7205 (void *) wpa_s->conf->sec_device_type,
7206 wpa_s->conf->num_sec_device_types);
b22128ef 7207
f95cac27
JMB
7208 if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) {
7209 int i;
7210 p2p_remove_wps_vendor_extensions(p2p);
7211 for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) {
7212 if (wpa_s->conf->wps_vendor_ext[i] == NULL)
7213 continue;
7214 p2p_add_wps_vendor_extension(
7215 p2p, wpa_s->conf->wps_vendor_ext[i]);
7216 }
7217 }
7218
b22128ef
JM
7219 if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) &&
7220 wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
7221 char country[3];
7222 country[0] = wpa_s->conf->country[0];
7223 country[1] = wpa_s->conf->country[1];
7224 country[2] = 0x04;
7225 p2p_set_country(p2p, country);
7226 }
7227
7228 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_SSID_POSTFIX) {
7229 p2p_set_ssid_postfix(p2p, (u8 *) wpa_s->conf->p2p_ssid_postfix,
7230 wpa_s->conf->p2p_ssid_postfix ?
7231 os_strlen(wpa_s->conf->p2p_ssid_postfix) :
7232 0);
7233 }
0f66abd2
SS
7234
7235 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_INTRA_BSS)
7236 p2p_set_intra_bss_dist(p2p, wpa_s->conf->p2p_intra_bss);
2463ba70
JS
7237
7238 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_LISTEN_CHANNEL) {
7239 u8 reg_class, channel;
7240 int ret;
7241 unsigned int r;
e3bd6e9d
IP
7242 u8 channel_forced;
7243
2463ba70
JS
7244 if (wpa_s->conf->p2p_listen_reg_class &&
7245 wpa_s->conf->p2p_listen_channel) {
7246 reg_class = wpa_s->conf->p2p_listen_reg_class;
7247 channel = wpa_s->conf->p2p_listen_channel;
e3bd6e9d 7248 channel_forced = 1;
2463ba70
JS
7249 } else {
7250 reg_class = 81;
7251 /*
7252 * Pick one of the social channels randomly as the
7253 * listen channel.
7254 */
df2508d7
JM
7255 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
7256 channel = 1;
7257 else
7258 channel = 1 + (r % 3) * 5;
e3bd6e9d 7259 channel_forced = 0;
2463ba70 7260 }
e3bd6e9d
IP
7261 ret = p2p_set_listen_channel(p2p, reg_class, channel,
7262 channel_forced);
2463ba70
JS
7263 if (ret)
7264 wpa_printf(MSG_ERROR, "P2P: Own listen channel update "
7265 "failed: %d", ret);
7266 }
7267 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_OPER_CHANNEL) {
7268 u8 op_reg_class, op_channel, cfg_op_channel;
7269 int ret = 0;
7270 unsigned int r;
7271 if (wpa_s->conf->p2p_oper_reg_class &&
7272 wpa_s->conf->p2p_oper_channel) {
7273 op_reg_class = wpa_s->conf->p2p_oper_reg_class;
7274 op_channel = wpa_s->conf->p2p_oper_channel;
7275 cfg_op_channel = 1;
7276 } else {
7277 op_reg_class = 81;
7278 /*
7279 * Use random operation channel from (1, 6, 11)
7280 *if no other preference is indicated.
7281 */
df2508d7
JM
7282 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
7283 op_channel = 1;
7284 else
7285 op_channel = 1 + (r % 3) * 5;
2463ba70
JS
7286 cfg_op_channel = 0;
7287 }
7288 ret = p2p_set_oper_channel(p2p, op_reg_class, op_channel,
7289 cfg_op_channel);
7290 if (ret)
7291 wpa_printf(MSG_ERROR, "P2P: Own oper channel update "
7292 "failed: %d", ret);
7293 }
21d996f7
JM
7294
7295 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_PREF_CHAN) {
7296 if (p2p_set_pref_chan(p2p, wpa_s->conf->num_p2p_pref_chan,
7297 wpa_s->conf->p2p_pref_chan) < 0) {
7298 wpa_printf(MSG_ERROR, "P2P: Preferred channel list "
7299 "update failed");
7300 }
556b30da
JM
7301
7302 if (p2p_set_no_go_freq(p2p, &wpa_s->conf->p2p_no_go_freq) < 0) {
7303 wpa_printf(MSG_ERROR, "P2P: No GO channel list "
7304 "update failed");
7305 }
21d996f7 7306 }
1b928f96
JM
7307
7308 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_PASSPHRASE_LEN)
7309 p2p_set_passphrase_len(p2p, wpa_s->conf->p2p_passphrase_len);
b22128ef 7310}
aefb53bd
JM
7311
7312
7313int wpas_p2p_set_noa(struct wpa_supplicant *wpa_s, u8 count, int start,
7314 int duration)
7315{
7316 if (!wpa_s->ap_iface)
7317 return -1;
7318 return hostapd_p2p_set_noa(wpa_s->ap_iface->bss[0], count, start,
7319 duration);
7320}
72044390
JM
7321
7322
7323int wpas_p2p_set_cross_connect(struct wpa_supplicant *wpa_s, int enabled)
7324{
9526fd29 7325 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
72044390 7326 return -1;
72044390
JM
7327
7328 wpa_s->global->cross_connection = enabled;
7329 p2p_set_cross_connect(wpa_s->global->p2p, enabled);
7330
7331 if (!enabled) {
7332 struct wpa_supplicant *iface;
7333
7334 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
7335 {
7336 if (iface->cross_connect_enabled == 0)
7337 continue;
7338
7339 iface->cross_connect_enabled = 0;
7340 iface->cross_connect_in_use = 0;
ba307f85 7341 wpa_msg_global(iface->p2pdev, MSG_INFO,
92c4465b
JM
7342 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
7343 iface->ifname,
7344 iface->cross_connect_uplink);
72044390
JM
7345 }
7346 }
7347
7348 return 0;
7349}
7350
7351
7352static void wpas_p2p_enable_cross_connect(struct wpa_supplicant *uplink)
7353{
7354 struct wpa_supplicant *iface;
7355
7356 if (!uplink->global->cross_connection)
7357 return;
7358
7359 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
7360 if (!iface->cross_connect_enabled)
7361 continue;
7362 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
7363 0)
7364 continue;
7365 if (iface->ap_iface == NULL)
7366 continue;
7367 if (iface->cross_connect_in_use)
7368 continue;
7369
7370 iface->cross_connect_in_use = 1;
ba307f85 7371 wpa_msg_global(iface->p2pdev, MSG_INFO,
92c4465b
JM
7372 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
7373 iface->ifname, iface->cross_connect_uplink);
72044390
JM
7374 }
7375}
7376
7377
7378static void wpas_p2p_disable_cross_connect(struct wpa_supplicant *uplink)
7379{
7380 struct wpa_supplicant *iface;
7381
7382 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
7383 if (!iface->cross_connect_enabled)
7384 continue;
7385 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
7386 0)
7387 continue;
7388 if (!iface->cross_connect_in_use)
7389 continue;
7390
ba307f85 7391 wpa_msg_global(iface->p2pdev, MSG_INFO,
92c4465b
JM
7392 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
7393 iface->ifname, iface->cross_connect_uplink);
72044390
JM
7394 iface->cross_connect_in_use = 0;
7395 }
7396}
7397
7398
7399void wpas_p2p_notif_connected(struct wpa_supplicant *wpa_s)
7400{
7401 if (wpa_s->ap_iface || wpa_s->current_ssid == NULL ||
7402 wpa_s->current_ssid->mode != WPAS_MODE_INFRA ||
7403 wpa_s->cross_connect_disallowed)
7404 wpas_p2p_disable_cross_connect(wpa_s);
7405 else
7406 wpas_p2p_enable_cross_connect(wpa_s);
dddc7045
JM
7407 if (!wpa_s->ap_iface &&
7408 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0)
7409 wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout");
72044390
JM
7410}
7411
7412
7413void wpas_p2p_notif_disconnected(struct wpa_supplicant *wpa_s)
7414{
7415 wpas_p2p_disable_cross_connect(wpa_s);
4c2c6751
JM
7416 if (!wpa_s->ap_iface &&
7417 !eloop_is_timeout_registered(wpas_p2p_group_idle_timeout,
7418 wpa_s, NULL))
3071e181 7419 wpas_p2p_set_group_idle_timeout(wpa_s);
72044390
JM
7420}
7421
7422
7423static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s)
7424{
7425 struct wpa_supplicant *iface;
7426
7427 if (!wpa_s->global->cross_connection)
7428 return;
7429
7430 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
7431 if (iface == wpa_s)
7432 continue;
7433 if (iface->drv_flags &
7434 WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)
7435 continue;
42a69725
JM
7436 if ((iface->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE) &&
7437 iface != wpa_s->parent)
72044390
JM
7438 continue;
7439
7440 wpa_s->cross_connect_enabled = 1;
7441 os_strlcpy(wpa_s->cross_connect_uplink, iface->ifname,
7442 sizeof(wpa_s->cross_connect_uplink));
7443 wpa_printf(MSG_DEBUG, "P2P: Enable cross connection from "
7444 "%s to %s whenever uplink is available",
7445 wpa_s->ifname, wpa_s->cross_connect_uplink);
7446
7447 if (iface->ap_iface || iface->current_ssid == NULL ||
7448 iface->current_ssid->mode != WPAS_MODE_INFRA ||
7449 iface->cross_connect_disallowed ||
7450 iface->wpa_state != WPA_COMPLETED)
7451 break;
7452
7453 wpa_s->cross_connect_in_use = 1;
ba307f85 7454 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
92c4465b
JM
7455 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
7456 wpa_s->ifname, wpa_s->cross_connect_uplink);
72044390
JM
7457 break;
7458 }
7459}
b73bf0a7
JM
7460
7461
7462int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant *wpa_s)
7463{
7464 if (wpa_s->p2p_group_interface != P2P_GROUP_INTERFACE_CLIENT &&
7465 !wpa_s->p2p_in_provisioning)
7466 return 0; /* not P2P client operation */
7467
7468 wpa_printf(MSG_DEBUG, "P2P: Terminate connection due to WPS PBC "
7469 "session overlap");
ba307f85
LD
7470 if (wpa_s != wpa_s->p2pdev)
7471 wpa_msg_ctrl(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_OVERLAP);
d95c5994 7472 wpas_p2p_group_formation_failed(wpa_s, 0);
b73bf0a7
JM
7473 return 1;
7474}
b5c9da8d
JM
7475
7476
ace0fbdb
AS
7477void wpas_p2p_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx)
7478{
7479 struct wpa_supplicant *wpa_s = eloop_ctx;
7480 wpas_p2p_notif_pbc_overlap(wpa_s);
7481}
7482
7483
3a8f008a
IP
7484void wpas_p2p_update_channel_list(struct wpa_supplicant *wpa_s,
7485 enum wpas_p2p_channel_update_trig trig)
b5c9da8d 7486{
51e9f228 7487 struct p2p_channels chan, cli_chan;
c2675c87
IP
7488 struct wpa_used_freq_data *freqs = NULL;
7489 unsigned int num = wpa_s->num_multichan_concurrent;
b5c9da8d
JM
7490
7491 if (wpa_s->global == NULL || wpa_s->global->p2p == NULL)
7492 return;
7493
c2675c87
IP
7494 freqs = os_calloc(num, sizeof(struct wpa_used_freq_data));
7495 if (!freqs)
7496 return;
7497
7498 num = get_shared_radio_freqs_data(wpa_s, freqs, num);
7499
b5c9da8d 7500 os_memset(&chan, 0, sizeof(chan));
51e9f228
JM
7501 os_memset(&cli_chan, 0, sizeof(cli_chan));
7502 if (wpas_p2p_setup_channels(wpa_s, &chan, &cli_chan)) {
b5c9da8d
JM
7503 wpa_printf(MSG_ERROR, "P2P: Failed to update supported "
7504 "channel list");
7505 return;
7506 }
7507
51e9f228 7508 p2p_update_channel_list(wpa_s->global->p2p, &chan, &cli_chan);
7b42862a 7509
c2675c87 7510 wpas_p2p_optimize_listen_channel(wpa_s, freqs, num);
7b42862a 7511
c2675c87
IP
7512 /*
7513 * The used frequencies map changed, so it is possible that a GO is
7514 * using a channel that is no longer valid for P2P use. It is also
7515 * possible that due to policy consideration, it would be preferable to
7516 * move it to a frequency already used by other station interfaces.
7517 */
3a8f008a 7518 wpas_p2p_consider_moving_gos(wpa_s, freqs, num, trig);
c2675c87
IP
7519
7520 os_free(freqs);
b5c9da8d 7521}
59eba7a2
JM
7522
7523
50178335
JM
7524static void wpas_p2p_scan_res_ignore(struct wpa_supplicant *wpa_s,
7525 struct wpa_scan_results *scan_res)
7526{
7527 wpa_printf(MSG_DEBUG, "P2P: Ignore scan results");
7528}
7529
7530
59eba7a2
JM
7531int wpas_p2p_cancel(struct wpa_supplicant *wpa_s)
7532{
7533 struct wpa_global *global = wpa_s->global;
7534 int found = 0;
231bbd03 7535 const u8 *peer;
59eba7a2 7536
9526fd29
JM
7537 if (global->p2p == NULL)
7538 return -1;
7539
59eba7a2
JM
7540 wpa_printf(MSG_DEBUG, "P2P: Request to cancel group formation");
7541
7542 if (wpa_s->pending_interface_name[0] &&
7543 !is_zero_ether_addr(wpa_s->pending_interface_addr))
7544 found = 1;
7545
231bbd03
SS
7546 peer = p2p_get_go_neg_peer(global->p2p);
7547 if (peer) {
7548 wpa_printf(MSG_DEBUG, "P2P: Unauthorize pending GO Neg peer "
7549 MACSTR, MAC2STR(peer));
7550 p2p_unauthorize(global->p2p, peer);
75c208b9 7551 found = 1;
231bbd03
SS
7552 }
7553
50178335
JM
7554 if (wpa_s->scan_res_handler == wpas_p2p_scan_res_join) {
7555 wpa_printf(MSG_DEBUG, "P2P: Stop pending scan for join");
7556 wpa_s->scan_res_handler = wpas_p2p_scan_res_ignore;
7557 found = 1;
7558 }
7559
7560 if (wpa_s->pending_pd_before_join) {
7561 wpa_printf(MSG_DEBUG, "P2P: Stop pending PD before join");
7562 wpa_s->pending_pd_before_join = 0;
7563 found = 1;
7564 }
7565
59eba7a2
JM
7566 wpas_p2p_stop_find(wpa_s);
7567
7568 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7569 if (wpa_s == global->p2p_group_formation &&
a0a9f3b0
JM
7570 (wpa_s->p2p_in_provisioning ||
7571 wpa_s->parent->pending_interface_type ==
7572 WPA_IF_P2P_CLIENT)) {
59eba7a2
JM
7573 wpa_printf(MSG_DEBUG, "P2P: Interface %s in group "
7574 "formation found - cancelling",
7575 wpa_s->ifname);
7576 found = 1;
45fee6f0 7577 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 7578 wpa_s->p2pdev, NULL);
30b80389 7579 if (wpa_s->p2p_in_provisioning) {
d95c5994 7580 wpas_group_formation_completed(wpa_s, 0, 0);
30b80389
JM
7581 break;
7582 }
8dba4aef
JM
7583 wpas_p2p_group_delete(wpa_s,
7584 P2P_GROUP_REMOVAL_REQUESTED);
59eba7a2 7585 break;
f05cee97
JM
7586 } else if (wpa_s->p2p_in_invitation) {
7587 wpa_printf(MSG_DEBUG, "P2P: Interface %s in invitation found - cancelling",
7588 wpa_s->ifname);
7589 found = 1;
d95c5994 7590 wpas_p2p_group_formation_failed(wpa_s, 0);
63502c64 7591 break;
59eba7a2
JM
7592 }
7593 }
7594
7595 if (!found) {
7596 wpa_printf(MSG_DEBUG, "P2P: No ongoing group formation found");
7597 return -1;
7598 }
7599
7600 return 0;
7601}
c973f386
JM
7602
7603
7604void wpas_p2p_interface_unavailable(struct wpa_supplicant *wpa_s)
7605{
7606 if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group)
7607 return;
7608
7609 wpa_printf(MSG_DEBUG, "P2P: Remove group due to driver resource not "
7610 "being available anymore");
8dba4aef 7611 wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_UNAVAILABLE);
c973f386 7612}
7cfc4ac3
AGS
7613
7614
7615void wpas_p2p_update_best_channels(struct wpa_supplicant *wpa_s,
7616 int freq_24, int freq_5, int freq_overall)
7617{
7618 struct p2p_data *p2p = wpa_s->global->p2p;
152cff6b 7619 if (p2p == NULL)
7cfc4ac3
AGS
7620 return;
7621 p2p_set_best_channels(p2p, freq_24, freq_5, freq_overall);
7622}
9d562b79
SS
7623
7624
7625int wpas_p2p_unauthorize(struct wpa_supplicant *wpa_s, const char *addr)
7626{
7627 u8 peer[ETH_ALEN];
7628 struct p2p_data *p2p = wpa_s->global->p2p;
7629
152cff6b 7630 if (p2p == NULL)
9d562b79
SS
7631 return -1;
7632
7633 if (hwaddr_aton(addr, peer))
7634 return -1;
7635
7636 return p2p_unauthorize(p2p, peer);
7637}
3103f345
JB
7638
7639
7640/**
7641 * wpas_p2p_disconnect - Disconnect from a P2P Group
7642 * @wpa_s: Pointer to wpa_supplicant data
7643 * Returns: 0 on success, -1 on failure
7644 *
7645 * This can be used to disconnect from a group in which the local end is a P2P
7646 * Client or to end a P2P Group in case the local end is the Group Owner. If a
7647 * virtual network interface was created for this group, that interface will be
7648 * removed. Otherwise, only the configured P2P group network will be removed
7649 * from the interface.
7650 */
7651int wpas_p2p_disconnect(struct wpa_supplicant *wpa_s)
7652{
7653
7654 if (wpa_s == NULL)
7655 return -1;
7656
0aadd568
JM
7657 return wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_REQUESTED) < 0 ?
7658 -1 : 0;
3103f345 7659}
303f60d3
JM
7660
7661
7662int wpas_p2p_in_progress(struct wpa_supplicant *wpa_s)
7663{
ec01d5f6
JM
7664 int ret;
7665
303f60d3
JM
7666 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
7667 return 0;
7668
ec01d5f6
JM
7669 ret = p2p_in_progress(wpa_s->global->p2p);
7670 if (ret == 0) {
7671 /*
7672 * Check whether there is an ongoing WPS provisioning step (or
7673 * other parts of group formation) on another interface since
7674 * p2p_in_progress() does not report this to avoid issues for
7675 * scans during such provisioning step.
7676 */
7677 if (wpa_s->global->p2p_group_formation &&
7678 wpa_s->global->p2p_group_formation != wpa_s) {
7679 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Another interface (%s) "
7680 "in group formation",
7681 wpa_s->global->p2p_group_formation->ifname);
7682 ret = 1;
7683 }
7684 }
7685
c1c0b35f 7686 if (!ret && wpa_s->global->p2p_go_wait_client.sec) {
151ab808
JB
7687 struct os_reltime now;
7688 os_get_reltime(&now);
7689 if (os_reltime_expired(&now, &wpa_s->global->p2p_go_wait_client,
7690 P2P_MAX_INITIAL_CONN_WAIT_GO)) {
c1c0b35f
JM
7691 /* Wait for the first client has expired */
7692 wpa_s->global->p2p_go_wait_client.sec = 0;
7693 } else {
7694 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Waiting for initial client connection during group formation");
7695 ret = 1;
7696 }
7697 }
7698
ec01d5f6 7699 return ret;
303f60d3 7700}
502618f7
JM
7701
7702
7703void wpas_p2p_network_removed(struct wpa_supplicant *wpa_s,
7704 struct wpa_ssid *ssid)
502618f7
JM
7705{
7706 if (wpa_s->p2p_in_provisioning && ssid->p2p_group &&
7707 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 7708 wpa_s->p2pdev, NULL) > 0) {
eb6f8c2b
AC
7709 /**
7710 * Remove the network by scheduling the group formation
7711 * timeout to happen immediately. The teardown code
7712 * needs to be scheduled to run asynch later so that we
7713 * don't delete data from under ourselves unexpectedly.
7714 * Calling wpas_p2p_group_formation_timeout directly
7715 * causes a series of crashes in WPS failure scenarios.
7716 */
502618f7
JM
7717 wpa_printf(MSG_DEBUG, "P2P: Canceled group formation due to "
7718 "P2P group network getting removed");
eb6f8c2b 7719 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout,
ba307f85 7720 wpa_s->p2pdev, NULL);
502618f7
JM
7721 }
7722}
87f841a1
JM
7723
7724
7725struct wpa_ssid * wpas_p2p_get_persistent(struct wpa_supplicant *wpa_s,
c427ac92
JM
7726 const u8 *addr, const u8 *ssid,
7727 size_t ssid_len)
87f841a1
JM
7728{
7729 struct wpa_ssid *s;
fbdcfd57 7730 size_t i;
87f841a1
JM
7731
7732 for (s = wpa_s->conf->ssid; s; s = s->next) {
fbdcfd57
JM
7733 if (s->disabled != 2)
7734 continue;
c427ac92
JM
7735 if (ssid &&
7736 (ssid_len != s->ssid_len ||
7737 os_memcmp(ssid, s->ssid, ssid_len) != 0))
7738 continue;
01a57fe4
JM
7739 if (addr == NULL) {
7740 if (s->mode == WPAS_MODE_P2P_GO)
7741 return s;
7742 continue;
7743 }
fbdcfd57
JM
7744 if (os_memcmp(s->bssid, addr, ETH_ALEN) == 0)
7745 return s; /* peer is GO in the persistent group */
7746 if (s->mode != WPAS_MODE_P2P_GO || s->p2p_client_list == NULL)
7747 continue;
7748 for (i = 0; i < s->num_p2p_clients; i++) {
79cd993a 7749 if (os_memcmp(s->p2p_client_list + i * 2 * ETH_ALEN,
fbdcfd57
JM
7750 addr, ETH_ALEN) == 0)
7751 return s; /* peer is P2P client in persistent
7752 * group */
7753 }
87f841a1
JM
7754 }
7755
7756 return NULL;
7757}
fbdcfd57
JM
7758
7759
7760void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
7761 const u8 *addr)
7762{
eab2b50d 7763 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 7764 wpa_s->p2pdev, NULL) > 0) {
eab2b50d
JM
7765 /*
7766 * This can happen if WPS provisioning step is not terminated
7767 * cleanly (e.g., P2P Client does not send WSC_Done). Since the
7768 * peer was able to connect, there is no need to time out group
41f85323
JM
7769 * formation after this, though. In addition, this is used with
7770 * the initial connection wait on the GO as a separate formation
7771 * timeout and as such, expected to be hit after the initial WPS
7772 * provisioning step.
eab2b50d 7773 */
41f85323 7774 wpa_printf(MSG_DEBUG, "P2P: Canceled P2P group formation timeout on data connection");
61fc9048
SD
7775
7776 if (!wpa_s->p2p_go_group_formation_completed &&
7777 !wpa_s->group_formation_reported) {
7778 /*
7779 * GO has not yet notified group formation success since
7780 * the WPS step was not completed cleanly. Do that
7781 * notification now since the P2P Client was able to
7782 * connect and as such, must have received the
7783 * credential from the WPS step.
7784 */
7785 if (wpa_s->global->p2p)
7786 p2p_wps_success_cb(wpa_s->global->p2p, addr);
d95c5994 7787 wpas_group_formation_completed(wpa_s, 1, 0);
61fc9048 7788 }
41f85323
JM
7789 }
7790 if (!wpa_s->p2p_go_group_formation_completed) {
7791 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Marking group formation completed on GO on first data connection");
7792 wpa_s->p2p_go_group_formation_completed = 1;
7793 wpa_s->global->p2p_group_formation = NULL;
7794 wpa_s->p2p_in_provisioning = 0;
f05cee97 7795 wpa_s->p2p_in_invitation = 0;
eab2b50d 7796 }
c1c0b35f 7797 wpa_s->global->p2p_go_wait_client.sec = 0;
fbdcfd57
JM
7798 if (addr == NULL)
7799 return;
7800 wpas_p2p_add_persistent_group_client(wpa_s, addr);
7801}
aa9bb764
JM
7802
7803
b0e669be
JM
7804static int wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s,
7805 int group_added)
aa9bb764
JM
7806{
7807 struct wpa_supplicant *group = wpa_s;
b0e669be
JM
7808 int ret = 0;
7809
aa9bb764
JM
7810 if (wpa_s->global->p2p_group_formation)
7811 group = wpa_s->global->p2p_group_formation;
de7b02fd 7812 wpa_s = wpa_s->global->p2p_init_wpa_s;
b80eb89d 7813 offchannel_send_action_done(wpa_s);
aa9bb764 7814 if (group_added)
b0e669be 7815 ret = wpas_p2p_group_delete(group, P2P_GROUP_REMOVAL_SILENT);
aa9bb764
JM
7816 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Fall back to GO Negotiation");
7817 wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr, wpa_s->p2p_pin,
7818 wpa_s->p2p_wps_method, wpa_s->p2p_persistent_group, 0,
7819 0, 0, wpa_s->p2p_go_intent, wpa_s->p2p_connect_freq,
c27f4c90 7820 wpa_s->p2p_go_vht_center_freq2,
3bc462cb 7821 wpa_s->p2p_persistent_id,
e2308e4b 7822 wpa_s->p2p_pd_before_go_neg,
20ea1ca4 7823 wpa_s->p2p_go_ht40,
c27f4c90 7824 wpa_s->p2p_go_vht,
70e0cb33 7825 wpa_s->p2p_go_max_oper_chwidth, NULL, 0);
b0e669be 7826 return ret;
aa9bb764
JM
7827}
7828
7829
7830int wpas_p2p_scan_no_go_seen(struct wpa_supplicant *wpa_s)
7831{
b0e669be
JM
7832 int res;
7833
aa9bb764
JM
7834 if (!wpa_s->p2p_fallback_to_go_neg ||
7835 wpa_s->p2p_in_provisioning <= 5)
7836 return 0;
7837
b80eb89d
JM
7838 if (wpas_p2p_peer_go(wpa_s, wpa_s->pending_join_dev_addr) > 0)
7839 return 0; /* peer operating as a GO */
7840
aa9bb764
JM
7841 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: GO not found for p2p_connect-auto - "
7842 "fallback to GO Negotiation");
ba307f85 7843 wpa_msg_global(wpa_s->p2pdev, MSG_INFO, P2P_EVENT_FALLBACK_TO_GO_NEG
6b005121 7844 "reason=GO-not-found");
b0e669be 7845 res = wpas_p2p_fallback_to_go_neg(wpa_s, 1);
aa9bb764 7846
b0e669be 7847 return res == 1 ? 2 : 1;
aa9bb764 7848}
05a77b3b
JM
7849
7850
7851unsigned int wpas_p2p_search_delay(struct wpa_supplicant *wpa_s)
7852{
05a77b3b
JM
7853 struct wpa_supplicant *ifs;
7854
7855 if (wpa_s->wpa_state > WPA_SCANNING) {
7856 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search delay due to "
7857 "concurrent operation",
d3b20469
NS
7858 wpa_s->conf->p2p_search_delay);
7859 return wpa_s->conf->p2p_search_delay;
05a77b3b
JM
7860 }
7861
5b81927d
JM
7862 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
7863 radio_list) {
7864 if (ifs != wpa_s && ifs->wpa_state > WPA_SCANNING) {
05a77b3b
JM
7865 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search "
7866 "delay due to concurrent operation on "
7867 "interface %s",
d3b20469
NS
7868 wpa_s->conf->p2p_search_delay,
7869 ifs->ifname);
7870 return wpa_s->conf->p2p_search_delay;
05a77b3b
JM
7871 }
7872 }
7873
7874 return 0;
7875}
f85f545e
JM
7876
7877
43c693c2
JM
7878static int wpas_p2p_remove_psk_entry(struct wpa_supplicant *wpa_s,
7879 struct wpa_ssid *s, const u8 *addr,
7880 int iface_addr)
7881{
7882 struct psk_list_entry *psk, *tmp;
7883 int changed = 0;
7884
7885 dl_list_for_each_safe(psk, tmp, &s->psk_list, struct psk_list_entry,
7886 list) {
7887 if ((iface_addr && !psk->p2p &&
7888 os_memcmp(addr, psk->addr, ETH_ALEN) == 0) ||
7889 (!iface_addr && psk->p2p &&
7890 os_memcmp(addr, psk->addr, ETH_ALEN) == 0)) {
7891 wpa_dbg(wpa_s, MSG_DEBUG,
7892 "P2P: Remove persistent group PSK list entry for "
7893 MACSTR " p2p=%u",
7894 MAC2STR(psk->addr), psk->p2p);
7895 dl_list_del(&psk->list);
7896 os_free(psk);
7897 changed++;
7898 }
7899 }
7900
7901 return changed;
7902}
7903
7904
01a57fe4
JM
7905void wpas_p2p_new_psk_cb(struct wpa_supplicant *wpa_s, const u8 *mac_addr,
7906 const u8 *p2p_dev_addr,
7907 const u8 *psk, size_t psk_len)
7908{
7909 struct wpa_ssid *ssid = wpa_s->current_ssid;
7910 struct wpa_ssid *persistent;
0bceb8d6 7911 struct psk_list_entry *p, *last;
01a57fe4
JM
7912
7913 if (psk_len != sizeof(p->psk))
7914 return;
7915
7916 if (p2p_dev_addr) {
7917 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New PSK for addr=" MACSTR
7918 " p2p_dev_addr=" MACSTR,
7919 MAC2STR(mac_addr), MAC2STR(p2p_dev_addr));
7920 if (is_zero_ether_addr(p2p_dev_addr))
7921 p2p_dev_addr = NULL;
7922 } else {
7923 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New PSK for addr=" MACSTR,
7924 MAC2STR(mac_addr));
7925 }
7926
7927 if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
7928 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: new_psk_cb during group formation");
7929 /* To be added to persistent group once created */
7930 if (wpa_s->global->add_psk == NULL) {
7931 wpa_s->global->add_psk = os_zalloc(sizeof(*p));
7932 if (wpa_s->global->add_psk == NULL)
7933 return;
7934 }
7935 p = wpa_s->global->add_psk;
7936 if (p2p_dev_addr) {
7937 p->p2p = 1;
7938 os_memcpy(p->addr, p2p_dev_addr, ETH_ALEN);
7939 } else {
7940 p->p2p = 0;
7941 os_memcpy(p->addr, mac_addr, ETH_ALEN);
7942 }
7943 os_memcpy(p->psk, psk, psk_len);
7944 return;
7945 }
7946
7947 if (ssid->mode != WPAS_MODE_P2P_GO || !ssid->p2p_persistent_group) {
7948 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Ignore new_psk_cb on not-persistent GO");
7949 return;
7950 }
7951
ba307f85 7952 persistent = wpas_p2p_get_persistent(wpa_s->p2pdev, NULL, ssid->ssid,
01a57fe4
JM
7953 ssid->ssid_len);
7954 if (!persistent) {
7955 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not find persistent group information to store the new PSK");
7956 return;
7957 }
7958
7959 p = os_zalloc(sizeof(*p));
7960 if (p == NULL)
7961 return;
7962 if (p2p_dev_addr) {
7963 p->p2p = 1;
7964 os_memcpy(p->addr, p2p_dev_addr, ETH_ALEN);
7965 } else {
7966 p->p2p = 0;
7967 os_memcpy(p->addr, mac_addr, ETH_ALEN);
7968 }
7969 os_memcpy(p->psk, psk, psk_len);
7970
0bceb8d6
JM
7971 if (dl_list_len(&persistent->psk_list) > P2P_MAX_STORED_CLIENTS &&
7972 (last = dl_list_last(&persistent->psk_list,
7973 struct psk_list_entry, list))) {
01a57fe4
JM
7974 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove oldest PSK entry for "
7975 MACSTR " (p2p=%u) to make room for a new one",
7976 MAC2STR(last->addr), last->p2p);
7977 dl_list_del(&last->list);
7978 os_free(last);
7979 }
7980
ba307f85 7981 wpas_p2p_remove_psk_entry(wpa_s->p2pdev, persistent,
43c693c2
JM
7982 p2p_dev_addr ? p2p_dev_addr : mac_addr,
7983 p2p_dev_addr == NULL);
7984 if (p2p_dev_addr) {
7985 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Add new PSK for p2p_dev_addr="
7986 MACSTR, MAC2STR(p2p_dev_addr));
7987 } else {
7988 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Add new PSK for addr=" MACSTR,
7989 MAC2STR(mac_addr));
7990 }
01a57fe4
JM
7991 dl_list_add(&persistent->psk_list, &p->list);
7992
ba307f85
LD
7993 if (wpa_s->p2pdev->conf->update_config &&
7994 wpa_config_write(wpa_s->p2pdev->confname, wpa_s->p2pdev->conf))
01a57fe4 7995 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
01a57fe4 7996}
f2c56602
JM
7997
7998
7999static void wpas_p2p_remove_psk(struct wpa_supplicant *wpa_s,
8000 struct wpa_ssid *s, const u8 *addr,
8001 int iface_addr)
8002{
43c693c2 8003 int res;
f2c56602 8004
43c693c2 8005 res = wpas_p2p_remove_psk_entry(wpa_s, s, addr, iface_addr);
2a33687e
JM
8006 if (res > 0 && wpa_s->conf->update_config &&
8007 wpa_config_write(wpa_s->confname, wpa_s->conf))
8008 wpa_dbg(wpa_s, MSG_DEBUG,
8009 "P2P: Failed to update configuration");
f2c56602
JM
8010}
8011
8012
8013static void wpas_p2p_remove_client_go(struct wpa_supplicant *wpa_s,
8014 const u8 *peer, int iface_addr)
8015{
8016 struct hostapd_data *hapd;
8017 struct hostapd_wpa_psk *psk, *prev, *rem;
8018 struct sta_info *sta;
8019
8020 if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL ||
8021 wpa_s->current_ssid->mode != WPAS_MODE_P2P_GO)
8022 return;
8023
8024 /* Remove per-station PSK entry */
8025 hapd = wpa_s->ap_iface->bss[0];
8026 prev = NULL;
8027 psk = hapd->conf->ssid.wpa_psk;
8028 while (psk) {
8029 if ((iface_addr && os_memcmp(peer, psk->addr, ETH_ALEN) == 0) ||
8030 (!iface_addr &&
8031 os_memcmp(peer, psk->p2p_dev_addr, ETH_ALEN) == 0)) {
8032 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove operating group PSK entry for "
8033 MACSTR " iface_addr=%d",
8034 MAC2STR(peer), iface_addr);
8035 if (prev)
8036 prev->next = psk->next;
8037 else
8038 hapd->conf->ssid.wpa_psk = psk->next;
8039 rem = psk;
8040 psk = psk->next;
8041 os_free(rem);
8042 } else {
8043 prev = psk;
8044 psk = psk->next;
8045 }
8046 }
8047
8048 /* Disconnect from group */
8049 if (iface_addr)
8050 sta = ap_get_sta(hapd, peer);
8051 else
8052 sta = ap_get_sta_p2p(hapd, peer);
8053 if (sta) {
8054 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Disconnect peer " MACSTR
8055 " (iface_addr=%d) from group",
8056 MAC2STR(peer), iface_addr);
8057 hostapd_drv_sta_deauth(hapd, sta->addr,
8058 WLAN_REASON_DEAUTH_LEAVING);
8059 ap_sta_deauthenticate(hapd, sta, WLAN_REASON_DEAUTH_LEAVING);
8060 }
8061}
8062
8063
8064void wpas_p2p_remove_client(struct wpa_supplicant *wpa_s, const u8 *peer,
8065 int iface_addr)
8066{
8067 struct wpa_ssid *s;
8068 struct wpa_supplicant *w;
43677494 8069 struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s;
f2c56602
JM
8070
8071 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove client " MACSTR, MAC2STR(peer));
8072
8073 /* Remove from any persistent group */
43677494 8074 for (s = p2p_wpa_s->conf->ssid; s; s = s->next) {
f2c56602
JM
8075 if (s->disabled != 2 || s->mode != WPAS_MODE_P2P_GO)
8076 continue;
8077 if (!iface_addr)
43677494
BR
8078 wpas_remove_persistent_peer(p2p_wpa_s, s, peer, 0);
8079 wpas_p2p_remove_psk(p2p_wpa_s, s, peer, iface_addr);
f2c56602
JM
8080 }
8081
8082 /* Remove from any operating group */
8083 for (w = wpa_s->global->ifaces; w; w = w->next)
8084 wpas_p2p_remove_client_go(w, peer, iface_addr);
8085}
5bf9a6c8
JM
8086
8087
813e7b36
JM
8088static void wpas_p2p_psk_failure_removal(void *eloop_ctx, void *timeout_ctx)
8089{
8090 struct wpa_supplicant *wpa_s = eloop_ctx;
8091 wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_PSK_FAILURE);
8092}
8093
8094
8567866d
JJ
8095static void wpas_p2p_group_freq_conflict(void *eloop_ctx, void *timeout_ctx)
8096{
8097 struct wpa_supplicant *wpa_s = eloop_ctx;
8098
8099 wpa_printf(MSG_DEBUG, "P2P: Frequency conflict - terminate group");
8100 wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_FREQ_CONFLICT);
8101}
8102
8103
8104int wpas_p2p_handle_frequency_conflicts(struct wpa_supplicant *wpa_s, int freq,
8105 struct wpa_ssid *ssid)
8106{
8107 struct wpa_supplicant *iface;
8108
8109 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
8110 if (!iface->current_ssid ||
8111 iface->current_ssid->frequency == freq ||
8112 (iface->p2p_group_interface == NOT_P2P_GROUP_INTERFACE &&
8113 !iface->current_ssid->p2p_group))
8114 continue;
8115
8116 /* Remove the connection with least priority */
8117 if (!wpas_is_p2p_prioritized(iface)) {
8118 /* STA connection has priority over existing
8119 * P2P connection, so remove the interface. */
8120 wpa_printf(MSG_DEBUG, "P2P: Removing P2P connection due to single channel concurrent mode frequency conflict");
8121 eloop_register_timeout(0, 0,
8122 wpas_p2p_group_freq_conflict,
8123 iface, NULL);
8124 /* If connection in progress is P2P connection, do not
8125 * proceed for the connection. */
8126 if (wpa_s == iface)
8127 return -1;
8128 else
8129 return 0;
8130 } else {
8131 /* P2P connection has priority, disable the STA network
8132 */
8133 wpa_supplicant_disable_network(wpa_s->global->ifaces,
8134 ssid);
8135 wpa_msg(wpa_s->global->ifaces, MSG_INFO,
8136 WPA_EVENT_FREQ_CONFLICT " id=%d", ssid->id);
8137 os_memset(wpa_s->global->ifaces->pending_bssid, 0,
8138 ETH_ALEN);
8139 /* If P2P connection is in progress, continue
8140 * connecting...*/
8141 if (wpa_s == iface)
8142 return 0;
8143 else
8144 return -1;
8145 }
8146 }
8147
8148 return 0;
8149}
8150
8151
5bf9a6c8
JM
8152int wpas_p2p_4way_hs_failed(struct wpa_supplicant *wpa_s)
8153{
8154 struct wpa_ssid *ssid = wpa_s->current_ssid;
8155
8156 if (ssid == NULL || !ssid->p2p_group)
8157 return 0;
8158
8159 if (wpa_s->p2p_last_4way_hs_fail &&
8160 wpa_s->p2p_last_4way_hs_fail == ssid) {
8161 u8 go_dev_addr[ETH_ALEN];
8162 struct wpa_ssid *persistent;
8163
8164 if (wpas_p2p_persistent_group(wpa_s, go_dev_addr,
8165 ssid->ssid,
8166 ssid->ssid_len) <= 0) {
8167 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not determine whether 4-way handshake failures were for a persistent group");
8168 goto disconnect;
8169 }
8170
8171 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Two 4-way handshake failures for a P2P group - go_dev_addr="
8172 MACSTR, MAC2STR(go_dev_addr));
ba307f85 8173 persistent = wpas_p2p_get_persistent(wpa_s->p2pdev, go_dev_addr,
5bf9a6c8
JM
8174 ssid->ssid,
8175 ssid->ssid_len);
8176 if (persistent == NULL || persistent->mode != WPAS_MODE_INFRA) {
8177 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No matching persistent group stored");
8178 goto disconnect;
8179 }
ba307f85 8180 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
5bf9a6c8
JM
8181 P2P_EVENT_PERSISTENT_PSK_FAIL "%d",
8182 persistent->id);
8183 disconnect:
8184 wpa_s->p2p_last_4way_hs_fail = NULL;
813e7b36
JM
8185 /*
8186 * Remove the group from a timeout to avoid issues with caller
8187 * continuing to use the interface if this is on a P2P group
8188 * interface.
8189 */
8190 eloop_register_timeout(0, 0, wpas_p2p_psk_failure_removal,
8191 wpa_s, NULL);
5bf9a6c8
JM
8192 return 1;
8193 }
8194
8195 wpa_s->p2p_last_4way_hs_fail = ssid;
8196 return 0;
8197}
93588780
JM
8198
8199
8200#ifdef CONFIG_WPS_NFC
8201
8202static struct wpabuf * wpas_p2p_nfc_handover(int ndef, struct wpabuf *wsc,
8203 struct wpabuf *p2p)
8204{
8205 struct wpabuf *ret;
59b45d1a 8206 size_t wsc_len;
93588780
JM
8207
8208 if (p2p == NULL) {
8209 wpabuf_free(wsc);
8210 wpa_printf(MSG_DEBUG, "P2P: No p2p buffer for handover");
8211 return NULL;
8212 }
8213
59b45d1a
JM
8214 wsc_len = wsc ? wpabuf_len(wsc) : 0;
8215 ret = wpabuf_alloc(2 + wsc_len + 2 + wpabuf_len(p2p));
93588780
JM
8216 if (ret == NULL) {
8217 wpabuf_free(wsc);
8218 wpabuf_free(p2p);
8219 return NULL;
8220 }
8221
59b45d1a
JM
8222 wpabuf_put_be16(ret, wsc_len);
8223 if (wsc)
8224 wpabuf_put_buf(ret, wsc);
93588780
JM
8225 wpabuf_put_be16(ret, wpabuf_len(p2p));
8226 wpabuf_put_buf(ret, p2p);
8227
8228 wpabuf_free(wsc);
8229 wpabuf_free(p2p);
8230 wpa_hexdump_buf(MSG_DEBUG,
8231 "P2P: Generated NFC connection handover message", ret);
8232
8233 if (ndef && ret) {
8234 struct wpabuf *tmp;
8235 tmp = ndef_build_p2p(ret);
8236 wpabuf_free(ret);
8237 if (tmp == NULL) {
8238 wpa_printf(MSG_DEBUG, "P2P: Failed to NDEF encapsulate handover request");
8239 return NULL;
8240 }
8241 ret = tmp;
8242 }
8243
8244 return ret;
8245}
8246
8247
abe44e3c
JM
8248static int wpas_p2p_cli_freq(struct wpa_supplicant *wpa_s,
8249 struct wpa_ssid **ssid, u8 *go_dev_addr)
59b45d1a
JM
8250{
8251 struct wpa_supplicant *iface;
8252
abe44e3c
JM
8253 if (go_dev_addr)
8254 os_memset(go_dev_addr, 0, ETH_ALEN);
8255 if (ssid)
8256 *ssid = NULL;
59b45d1a
JM
8257 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
8258 if (iface->wpa_state < WPA_ASSOCIATING ||
8259 iface->current_ssid == NULL || iface->assoc_freq == 0 ||
8260 !iface->current_ssid->p2p_group ||
8261 iface->current_ssid->mode != WPAS_MODE_INFRA)
8262 continue;
abe44e3c
JM
8263 if (ssid)
8264 *ssid = iface->current_ssid;
8265 if (go_dev_addr)
8266 os_memcpy(go_dev_addr, iface->go_dev_addr, ETH_ALEN);
59b45d1a
JM
8267 return iface->assoc_freq;
8268 }
8269 return 0;
8270}
8271
8272
93588780
JM
8273struct wpabuf * wpas_p2p_nfc_handover_req(struct wpa_supplicant *wpa_s,
8274 int ndef)
8275{
8276 struct wpabuf *wsc, *p2p;
abe44e3c
JM
8277 struct wpa_ssid *ssid;
8278 u8 go_dev_addr[ETH_ALEN];
8279 int cli_freq = wpas_p2p_cli_freq(wpa_s, &ssid, go_dev_addr);
93588780
JM
8280
8281 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) {
8282 wpa_printf(MSG_DEBUG, "P2P: P2P disabled - cannot build handover request");
8283 return NULL;
8284 }
8285
8286 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL &&
8287 wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
8288 &wpa_s->conf->wps_nfc_dh_privkey) < 0) {
8289 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No DH key available for handover request");
8290 return NULL;
8291 }
8292
59b45d1a
JM
8293 if (cli_freq == 0) {
8294 wsc = wps_build_nfc_handover_req_p2p(
8295 wpa_s->parent->wps, wpa_s->conf->wps_nfc_dh_pubkey);
8296 } else
8297 wsc = NULL;
abe44e3c
JM
8298 p2p = p2p_build_nfc_handover_req(wpa_s->global->p2p, cli_freq,
8299 go_dev_addr, ssid ? ssid->ssid : NULL,
8300 ssid ? ssid->ssid_len : 0);
93588780
JM
8301
8302 return wpas_p2p_nfc_handover(ndef, wsc, p2p);
8303}
8304
8305
8306struct wpabuf * wpas_p2p_nfc_handover_sel(struct wpa_supplicant *wpa_s,
8307 int ndef, int tag)
8308{
8309 struct wpabuf *wsc, *p2p;
abe44e3c
JM
8310 struct wpa_ssid *ssid;
8311 u8 go_dev_addr[ETH_ALEN];
8312 int cli_freq = wpas_p2p_cli_freq(wpa_s, &ssid, go_dev_addr);
93588780
JM
8313
8314 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
8315 return NULL;
8316
8317 if (!tag && wpa_s->conf->wps_nfc_dh_pubkey == NULL &&
8318 wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
8319 &wpa_s->conf->wps_nfc_dh_privkey) < 0)
8320 return NULL;
8321
59b45d1a
JM
8322 if (cli_freq == 0) {
8323 wsc = wps_build_nfc_handover_sel_p2p(
8324 wpa_s->parent->wps,
8325 tag ? wpa_s->conf->wps_nfc_dev_pw_id :
8326 DEV_PW_NFC_CONNECTION_HANDOVER,
8327 wpa_s->conf->wps_nfc_dh_pubkey,
8328 tag ? wpa_s->conf->wps_nfc_dev_pw : NULL);
8329 } else
8330 wsc = NULL;
abe44e3c
JM
8331 p2p = p2p_build_nfc_handover_sel(wpa_s->global->p2p, cli_freq,
8332 go_dev_addr, ssid ? ssid->ssid : NULL,
8333 ssid ? ssid->ssid_len : 0);
93588780
JM
8334
8335 return wpas_p2p_nfc_handover(ndef, wsc, p2p);
8336}
8337
db6ae69e
JM
8338
8339static int wpas_p2p_nfc_join_group(struct wpa_supplicant *wpa_s,
8340 struct p2p_nfc_params *params)
8341{
8342 wpa_printf(MSG_DEBUG, "P2P: Initiate join-group based on NFC "
23318bea
JM
8343 "connection handover (freq=%d)",
8344 params->go_freq);
8345
8346 if (params->go_freq && params->go_ssid_len) {
8347 wpa_s->p2p_wps_method = WPS_NFC;
8348 wpa_s->pending_join_wps_method = WPS_NFC;
8349 os_memset(wpa_s->pending_join_iface_addr, 0, ETH_ALEN);
8350 os_memcpy(wpa_s->pending_join_dev_addr, params->go_dev_addr,
8351 ETH_ALEN);
8352 return wpas_p2p_join_start(wpa_s, params->go_freq,
8353 params->go_ssid,
8354 params->go_ssid_len);
8355 }
8356
db6ae69e
JM
8357 return wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL,
8358 WPS_NFC, 0, 0, 1, 0, wpa_s->conf->p2p_go_intent,
c27f4c90 8359 params->go_freq, wpa_s->p2p_go_vht_center_freq2,
70e0cb33
JM
8360 -1, 0, 1, 1, wpa_s->p2p_go_max_oper_chwidth,
8361 params->go_ssid_len ? params->go_ssid : NULL,
8362 params->go_ssid_len);
db6ae69e
JM
8363}
8364
8365
8366static int wpas_p2p_nfc_auth_join(struct wpa_supplicant *wpa_s,
8e9f53c3 8367 struct p2p_nfc_params *params, int tag)
db6ae69e 8368{
8e9f53c3
JM
8369 int res, persistent;
8370 struct wpa_ssid *ssid;
8371
db6ae69e
JM
8372 wpa_printf(MSG_DEBUG, "P2P: Authorize join-group based on NFC "
8373 "connection handover");
8374 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8e9f53c3 8375 ssid = wpa_s->current_ssid;
db6ae69e
JM
8376 if (ssid == NULL)
8377 continue;
8378 if (ssid->mode != WPAS_MODE_P2P_GO)
8379 continue;
8380 if (wpa_s->ap_iface == NULL)
8381 continue;
8382 break;
8383 }
8384 if (wpa_s == NULL) {
8385 wpa_printf(MSG_DEBUG, "P2P: Could not find GO interface");
8386 return -1;
8387 }
8388
3c88d269 8389 if (wpa_s->p2pdev->p2p_oob_dev_pw_id !=
db6ae69e 8390 DEV_PW_NFC_CONNECTION_HANDOVER &&
3c88d269 8391 !wpa_s->p2pdev->p2p_oob_dev_pw) {
db6ae69e
JM
8392 wpa_printf(MSG_DEBUG, "P2P: No NFC Dev Pw known");
8393 return -1;
8394 }
8e9f53c3 8395 res = wpas_ap_wps_add_nfc_pw(
3c88d269
AO
8396 wpa_s, wpa_s->p2pdev->p2p_oob_dev_pw_id,
8397 wpa_s->p2pdev->p2p_oob_dev_pw,
8398 wpa_s->p2pdev->p2p_peer_oob_pk_hash_known ?
8399 wpa_s->p2pdev->p2p_peer_oob_pubkey_hash : NULL);
8e9f53c3
JM
8400 if (res)
8401 return res;
8402
8403 if (!tag) {
8404 wpa_printf(MSG_DEBUG, "P2P: Negotiated handover - wait for peer to join without invitation");
8405 return 0;
8406 }
8407
8408 if (!params->peer ||
8409 !(params->peer->dev_capab & P2P_DEV_CAPAB_INVITATION_PROCEDURE))
8410 return 0;
8411
8412 wpa_printf(MSG_DEBUG, "P2P: Static handover - invite peer " MACSTR
8413 " to join", MAC2STR(params->peer->p2p_device_addr));
8414
8415 wpa_s->global->p2p_invite_group = wpa_s;
8416 persistent = ssid->p2p_persistent_group &&
3c88d269 8417 wpas_p2p_get_persistent(wpa_s->p2pdev,
8e9f53c3
JM
8418 params->peer->p2p_device_addr,
8419 ssid->ssid, ssid->ssid_len);
3c88d269 8420 wpa_s->p2pdev->pending_invite_ssid_id = -1;
8e9f53c3
JM
8421
8422 return p2p_invite(wpa_s->global->p2p, params->peer->p2p_device_addr,
8423 P2P_INVITE_ROLE_ACTIVE_GO, wpa_s->own_addr,
8424 ssid->ssid, ssid->ssid_len, ssid->frequency,
8425 wpa_s->global->p2p_dev_addr, persistent, 0,
3c88d269 8426 wpa_s->p2pdev->p2p_oob_dev_pw_id);
db6ae69e
JM
8427}
8428
8429
8430static int wpas_p2p_nfc_init_go_neg(struct wpa_supplicant *wpa_s,
b56f6c88
JM
8431 struct p2p_nfc_params *params,
8432 int forced_freq)
db6ae69e
JM
8433{
8434 wpa_printf(MSG_DEBUG, "P2P: Initiate GO Negotiation based on NFC "
8435 "connection handover");
8436 return wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL,
8437 WPS_NFC, 0, 0, 0, 0, wpa_s->conf->p2p_go_intent,
c27f4c90 8438 forced_freq, wpa_s->p2p_go_vht_center_freq2,
70e0cb33
JM
8439 -1, 0, 1, 1, wpa_s->p2p_go_max_oper_chwidth,
8440 NULL, 0);
db6ae69e
JM
8441}
8442
8443
8444static int wpas_p2p_nfc_resp_go_neg(struct wpa_supplicant *wpa_s,
b56f6c88
JM
8445 struct p2p_nfc_params *params,
8446 int forced_freq)
db6ae69e
JM
8447{
8448 int res;
8449
8450 wpa_printf(MSG_DEBUG, "P2P: Authorize GO Negotiation based on NFC "
8451 "connection handover");
8452 res = wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL,
8453 WPS_NFC, 0, 0, 0, 1, wpa_s->conf->p2p_go_intent,
c27f4c90 8454 forced_freq, wpa_s->p2p_go_vht_center_freq2,
70e0cb33
JM
8455 -1, 0, 1, 1, wpa_s->p2p_go_max_oper_chwidth,
8456 NULL, 0);
db6ae69e
JM
8457 if (res)
8458 return res;
8459
8460 res = wpas_p2p_listen(wpa_s, 60);
8461 if (res) {
8462 p2p_unauthorize(wpa_s->global->p2p,
8463 params->peer->p2p_device_addr);
8464 }
8465
8466 return res;
8467}
8468
8469
8470static int wpas_p2p_nfc_connection_handover(struct wpa_supplicant *wpa_s,
8471 const struct wpabuf *data,
b56f6c88 8472 int sel, int tag, int forced_freq)
db6ae69e
JM
8473{
8474 const u8 *pos, *end;
8475 u16 len, id;
8476 struct p2p_nfc_params params;
8477 int res;
8478
8479 os_memset(&params, 0, sizeof(params));
8480 params.sel = sel;
8481
8482 wpa_hexdump_buf(MSG_DEBUG, "P2P: Received NFC tag payload", data);
8483
8484 pos = wpabuf_head(data);
8485 end = pos + wpabuf_len(data);
8486
8487 if (end - pos < 2) {
8488 wpa_printf(MSG_DEBUG, "P2P: Not enough data for Length of WSC "
8489 "attributes");
8490 return -1;
8491 }
8492 len = WPA_GET_BE16(pos);
8493 pos += 2;
c061ae59 8494 if (len > end - pos) {
db6ae69e
JM
8495 wpa_printf(MSG_DEBUG, "P2P: Not enough data for WSC "
8496 "attributes");
8497 return -1;
8498 }
8499 params.wsc_attr = pos;
8500 params.wsc_len = len;
8501 pos += len;
8502
8503 if (end - pos < 2) {
8504 wpa_printf(MSG_DEBUG, "P2P: Not enough data for Length of P2P "
8505 "attributes");
8506 return -1;
8507 }
8508 len = WPA_GET_BE16(pos);
8509 pos += 2;
c061ae59 8510 if (len > end - pos) {
db6ae69e
JM
8511 wpa_printf(MSG_DEBUG, "P2P: Not enough data for P2P "
8512 "attributes");
8513 return -1;
8514 }
8515 params.p2p_attr = pos;
8516 params.p2p_len = len;
8517 pos += len;
8518
8519 wpa_hexdump(MSG_DEBUG, "P2P: WSC attributes",
8520 params.wsc_attr, params.wsc_len);
8521 wpa_hexdump(MSG_DEBUG, "P2P: P2P attributes",
8522 params.p2p_attr, params.p2p_len);
8523 if (pos < end) {
8524 wpa_hexdump(MSG_DEBUG,
8525 "P2P: Ignored extra data after P2P attributes",
8526 pos, end - pos);
8527 }
8528
8529 res = p2p_process_nfc_connection_handover(wpa_s->global->p2p, &params);
8530 if (res)
8531 return res;
8532
74df9ecd
JM
8533 if (params.next_step == NO_ACTION)
8534 return 0;
8535
8536 if (params.next_step == BOTH_GO) {
8537 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_BOTH_GO "peer=" MACSTR,
8538 MAC2STR(params.peer->p2p_device_addr));
8539 return 0;
8540 }
8541
59b45d1a 8542 if (params.next_step == PEER_CLIENT) {
abe44e3c
JM
8543 if (!is_zero_ether_addr(params.go_dev_addr)) {
8544 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_PEER_CLIENT
8545 "peer=" MACSTR " freq=%d go_dev_addr=" MACSTR
8546 " ssid=\"%s\"",
8547 MAC2STR(params.peer->p2p_device_addr),
8548 params.go_freq,
8549 MAC2STR(params.go_dev_addr),
8550 wpa_ssid_txt(params.go_ssid,
8551 params.go_ssid_len));
8552 } else {
8553 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_PEER_CLIENT
8554 "peer=" MACSTR " freq=%d",
8555 MAC2STR(params.peer->p2p_device_addr),
8556 params.go_freq);
8557 }
59b45d1a
JM
8558 return 0;
8559 }
8560
abe44e3c 8561 if (wpas_p2p_cli_freq(wpa_s, NULL, NULL)) {
59b45d1a
JM
8562 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_WHILE_CLIENT "peer="
8563 MACSTR, MAC2STR(params.peer->p2p_device_addr));
8564 return 0;
8565 }
8566
db6ae69e
JM
8567 wpabuf_free(wpa_s->p2p_oob_dev_pw);
8568 wpa_s->p2p_oob_dev_pw = NULL;
8569
8570 if (params.oob_dev_pw_len < WPS_OOB_PUBKEY_HASH_LEN + 2) {
8571 wpa_printf(MSG_DEBUG, "P2P: No peer OOB Dev Pw "
8572 "received");
8573 return -1;
8574 }
8575
8576 id = WPA_GET_BE16(params.oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN);
8577 wpa_printf(MSG_DEBUG, "P2P: Peer OOB Dev Pw %u", id);
8578 wpa_hexdump(MSG_DEBUG, "P2P: Peer OOB Public Key hash",
8579 params.oob_dev_pw, WPS_OOB_PUBKEY_HASH_LEN);
8580 os_memcpy(wpa_s->p2p_peer_oob_pubkey_hash,
8581 params.oob_dev_pw, WPS_OOB_PUBKEY_HASH_LEN);
8582 wpa_s->p2p_peer_oob_pk_hash_known = 1;
8583
8584 if (tag) {
8585 if (id < 0x10) {
8586 wpa_printf(MSG_DEBUG, "P2P: Static handover - invalid "
8587 "peer OOB Device Password Id %u", id);
8588 return -1;
8589 }
8590 wpa_printf(MSG_DEBUG, "P2P: Static handover - use peer OOB "
8591 "Device Password Id %u", id);
8592 wpa_hexdump_key(MSG_DEBUG, "P2P: Peer OOB Device Password",
8593 params.oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN + 2,
8594 params.oob_dev_pw_len -
8595 WPS_OOB_PUBKEY_HASH_LEN - 2);
8596 wpa_s->p2p_oob_dev_pw_id = id;
8597 wpa_s->p2p_oob_dev_pw = wpabuf_alloc_copy(
8598 params.oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN + 2,
8599 params.oob_dev_pw_len -
8600 WPS_OOB_PUBKEY_HASH_LEN - 2);
8601 if (wpa_s->p2p_oob_dev_pw == NULL)
8602 return -1;
8603
8604 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL &&
8605 wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
8606 &wpa_s->conf->wps_nfc_dh_privkey) < 0)
8607 return -1;
8608 } else {
8609 wpa_printf(MSG_DEBUG, "P2P: Using abbreviated WPS handshake "
8610 "without Device Password");
8611 wpa_s->p2p_oob_dev_pw_id = DEV_PW_NFC_CONNECTION_HANDOVER;
8612 }
8613
8614 switch (params.next_step) {
8615 case NO_ACTION:
74df9ecd 8616 case BOTH_GO:
59b45d1a 8617 case PEER_CLIENT:
74df9ecd 8618 /* already covered above */
db6ae69e
JM
8619 return 0;
8620 case JOIN_GROUP:
8621 return wpas_p2p_nfc_join_group(wpa_s, &params);
8622 case AUTH_JOIN:
8e9f53c3 8623 return wpas_p2p_nfc_auth_join(wpa_s, &params, tag);
db6ae69e 8624 case INIT_GO_NEG:
b56f6c88 8625 return wpas_p2p_nfc_init_go_neg(wpa_s, &params, forced_freq);
db6ae69e
JM
8626 case RESP_GO_NEG:
8627 /* TODO: use own OOB Dev Pw */
b56f6c88 8628 return wpas_p2p_nfc_resp_go_neg(wpa_s, &params, forced_freq);
db6ae69e
JM
8629 }
8630
8631 return -1;
8632}
8633
8634
dd37a938 8635int wpas_p2p_nfc_tag_process(struct wpa_supplicant *wpa_s,
b56f6c88 8636 const struct wpabuf *data, int forced_freq)
dd37a938
JM
8637{
8638 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
8639 return -1;
8640
b56f6c88 8641 return wpas_p2p_nfc_connection_handover(wpa_s, data, 1, 1, forced_freq);
dd37a938
JM
8642}
8643
8644
db6ae69e
JM
8645int wpas_p2p_nfc_report_handover(struct wpa_supplicant *wpa_s, int init,
8646 const struct wpabuf *req,
b56f6c88 8647 const struct wpabuf *sel, int forced_freq)
db6ae69e
JM
8648{
8649 struct wpabuf *tmp;
8650 int ret;
8651
8652 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
8653 return -1;
8654
8655 wpa_printf(MSG_DEBUG, "NFC: P2P connection handover reported");
8656
8657 wpa_hexdump_ascii(MSG_DEBUG, "NFC: Req",
8658 wpabuf_head(req), wpabuf_len(req));
8659 wpa_hexdump_ascii(MSG_DEBUG, "NFC: Sel",
8660 wpabuf_head(sel), wpabuf_len(sel));
b56f6c88
JM
8661 if (forced_freq)
8662 wpa_printf(MSG_DEBUG, "NFC: Forced freq %d", forced_freq);
db6ae69e
JM
8663 tmp = ndef_parse_p2p(init ? sel : req);
8664 if (tmp == NULL) {
8665 wpa_printf(MSG_DEBUG, "P2P: Could not parse NDEF");
8666 return -1;
8667 }
8668
b56f6c88
JM
8669 ret = wpas_p2p_nfc_connection_handover(wpa_s, tmp, init, 0,
8670 forced_freq);
db6ae69e
JM
8671 wpabuf_free(tmp);
8672
8673 return ret;
8674}
8675
c4f87a70
JM
8676
8677int wpas_p2p_nfc_tag_enabled(struct wpa_supplicant *wpa_s, int enabled)
8678{
8679 const u8 *if_addr;
8680 int go_intent = wpa_s->conf->p2p_go_intent;
dd876771 8681 struct wpa_supplicant *iface;
c4f87a70
JM
8682
8683 if (wpa_s->global->p2p == NULL)
8684 return -1;
8685
8686 if (!enabled) {
dd876771
JM
8687 wpa_printf(MSG_DEBUG, "P2P: Disable use of own NFC Tag");
8688 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
8689 {
8690 if (!iface->ap_iface)
8691 continue;
8692 hostapd_wps_nfc_token_disable(iface->ap_iface->bss[0]);
8693 }
c4f87a70
JM
8694 p2p_set_authorized_oob_dev_pw_id(wpa_s->global->p2p, 0,
8695 0, NULL);
8696 if (wpa_s->p2p_nfc_tag_enabled)
8697 wpas_p2p_remove_pending_group_interface(wpa_s);
8698 wpa_s->p2p_nfc_tag_enabled = 0;
8699 return 0;
8700 }
8701
8702 if (wpa_s->global->p2p_disabled)
8703 return -1;
8704
8705 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL ||
8706 wpa_s->conf->wps_nfc_dh_privkey == NULL ||
8707 wpa_s->conf->wps_nfc_dev_pw == NULL ||
8708 wpa_s->conf->wps_nfc_dev_pw_id < 0x10) {
8709 wpa_printf(MSG_DEBUG, "P2P: NFC password token not configured "
8710 "to allow static handover cases");
8711 return -1;
8712 }
8713
dd876771
JM
8714 wpa_printf(MSG_DEBUG, "P2P: Enable use of own NFC Tag");
8715
c4f87a70
JM
8716 wpa_s->p2p_oob_dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id;
8717 wpabuf_free(wpa_s->p2p_oob_dev_pw);
8718 wpa_s->p2p_oob_dev_pw = wpabuf_dup(wpa_s->conf->wps_nfc_dev_pw);
8719 if (wpa_s->p2p_oob_dev_pw == NULL)
8720 return -1;
8721 wpa_s->p2p_peer_oob_pk_hash_known = 0;
8722
67d39cfb
MB
8723 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO ||
8724 wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT) {
8725 /*
8726 * P2P Group Interface present and the command came on group
8727 * interface, so enable the token for the current interface.
8728 */
8729 wpa_s->create_p2p_iface = 0;
8730 } else {
8731 wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
8732 }
c4f87a70
JM
8733
8734 if (wpa_s->create_p2p_iface) {
8735 enum wpa_driver_if_type iftype;
8736 /* Prepare to add a new interface for the group */
8737 iftype = WPA_IF_P2P_GROUP;
8738 if (go_intent == 15)
8739 iftype = WPA_IF_P2P_GO;
8740 if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) {
8741 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
8742 "interface for the group");
8743 return -1;
8744 }
8745
8746 if_addr = wpa_s->pending_interface_addr;
96a26ab7
LD
8747 } else if (wpa_s->p2p_mgmt)
8748 if_addr = wpa_s->parent->own_addr;
8749 else
c4f87a70
JM
8750 if_addr = wpa_s->own_addr;
8751
8752 wpa_s->p2p_nfc_tag_enabled = enabled;
8753
dd876771
JM
8754 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
8755 struct hostapd_data *hapd;
8756 if (iface->ap_iface == NULL)
8757 continue;
8758 hapd = iface->ap_iface->bss[0];
8759 wpabuf_free(hapd->conf->wps_nfc_dh_pubkey);
8760 hapd->conf->wps_nfc_dh_pubkey =
8761 wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey);
8762 wpabuf_free(hapd->conf->wps_nfc_dh_privkey);
8763 hapd->conf->wps_nfc_dh_privkey =
8764 wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey);
8765 wpabuf_free(hapd->conf->wps_nfc_dev_pw);
8766 hapd->conf->wps_nfc_dev_pw =
8767 wpabuf_dup(wpa_s->conf->wps_nfc_dev_pw);
8768 hapd->conf->wps_nfc_dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id;
8769
8770 if (hostapd_wps_nfc_token_enable(iface->ap_iface->bss[0]) < 0) {
8771 wpa_dbg(iface, MSG_DEBUG,
8772 "P2P: Failed to enable NFC Tag for GO");
8773 }
8774 }
c4f87a70
JM
8775 p2p_set_authorized_oob_dev_pw_id(
8776 wpa_s->global->p2p, wpa_s->conf->wps_nfc_dev_pw_id, go_intent,
8777 if_addr);
8778
8779 return 0;
8780}
8781
93588780 8782#endif /* CONFIG_WPS_NFC */
e3bd6e9d
IP
8783
8784
8785static void wpas_p2p_optimize_listen_channel(struct wpa_supplicant *wpa_s,
8786 struct wpa_used_freq_data *freqs,
8787 unsigned int num)
8788{
8789 u8 curr_chan, cand, chan;
8790 unsigned int i;
8791
c2675c87
IP
8792 /*
8793 * If possible, optimize the Listen channel to be a channel that is
8794 * already used by one of the other interfaces.
8795 */
8796 if (!wpa_s->conf->p2p_optimize_listen_chan)
8797 return;
8798
8799 if (!wpa_s->current_ssid || wpa_s->wpa_state != WPA_COMPLETED)
8800 return;
8801
e3bd6e9d
IP
8802 curr_chan = p2p_get_listen_channel(wpa_s->global->p2p);
8803 for (i = 0, cand = 0; i < num; i++) {
8804 ieee80211_freq_to_chan(freqs[i].freq, &chan);
8805 if (curr_chan == chan) {
8806 cand = 0;
8807 break;
8808 }
8809
8810 if (chan == 1 || chan == 6 || chan == 11)
8811 cand = chan;
8812 }
8813
8814 if (cand) {
8815 wpa_dbg(wpa_s, MSG_DEBUG,
abe96d06 8816 "P2P: Update Listen channel to %u based on operating channel",
e3bd6e9d
IP
8817 cand);
8818 p2p_set_listen_channel(wpa_s->global->p2p, 81, cand, 0);
8819 }
8820}
8821
8822
1a471ff0
IP
8823static int wpas_p2p_move_go_csa(struct wpa_supplicant *wpa_s)
8824{
73afc20d
AO
8825 struct hostapd_config *conf;
8826 struct p2p_go_neg_results params;
8827 struct csa_settings csa_settings;
8828 struct wpa_ssid *current_ssid = wpa_s->current_ssid;
8829 int old_freq = current_ssid->frequency;
8830 int ret;
73afc20d 8831
1a471ff0
IP
8832 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_CSA)) {
8833 wpa_dbg(wpa_s, MSG_DEBUG, "CSA is not enabled");
8834 return -1;
8835 }
8836
73afc20d
AO
8837 /*
8838 * TODO: This function may not always work correctly. For example,
8839 * when we have a running GO and a BSS on a DFS channel.
8840 */
c27f4c90 8841 if (wpas_p2p_init_go_params(wpa_s, &params, 0, 0, 0, 0, 0, NULL)) {
73afc20d
AO
8842 wpa_dbg(wpa_s, MSG_DEBUG,
8843 "P2P CSA: Failed to select new frequency for GO");
8844 return -1;
8845 }
8846
8847 if (current_ssid->frequency == params.freq) {
8848 wpa_dbg(wpa_s, MSG_DEBUG,
8849 "P2P CSA: Selected same frequency - not moving GO");
8850 return 0;
8851 }
8852
8853 conf = hostapd_config_defaults();
8854 if (!conf) {
8855 wpa_dbg(wpa_s, MSG_DEBUG,
8856 "P2P CSA: Failed to allocate default config");
8857 return -1;
8858 }
8859
8860 current_ssid->frequency = params.freq;
8861 if (wpa_supplicant_conf_ap_ht(wpa_s, current_ssid, conf)) {
8862 wpa_dbg(wpa_s, MSG_DEBUG,
8863 "P2P CSA: Failed to create new GO config");
8864 ret = -1;
8865 goto out;
8866 }
8867
8868 if (conf->hw_mode != wpa_s->ap_iface->current_mode->mode) {
8869 wpa_dbg(wpa_s, MSG_DEBUG,
8870 "P2P CSA: CSA to a different band is not supported");
8871 ret = -1;
8872 goto out;
8873 }
8874
8875 os_memset(&csa_settings, 0, sizeof(csa_settings));
8876 csa_settings.cs_count = P2P_GO_CSA_COUNT;
8877 csa_settings.block_tx = P2P_GO_CSA_BLOCK_TX;
8878 csa_settings.freq_params.freq = params.freq;
73afc20d
AO
8879 csa_settings.freq_params.sec_channel_offset = conf->secondary_channel;
8880 csa_settings.freq_params.ht_enabled = conf->ieee80211n;
8881 csa_settings.freq_params.bandwidth = conf->secondary_channel ? 40 : 20;
8882
8883 if (conf->ieee80211ac) {
8884 int freq1 = 0, freq2 = 0;
7d82170a
LC
8885 u8 chan, opclass;
8886
8887 if (ieee80211_freq_to_channel_ext(params.freq,
8888 conf->secondary_channel,
8889 conf->vht_oper_chwidth,
8890 &opclass, &chan) ==
8891 NUM_HOSTAPD_MODES) {
8892 wpa_printf(MSG_ERROR, "P2P CSA: Bad freq");
8893 ret = -1;
8894 goto out;
8895 }
73afc20d
AO
8896
8897 if (conf->vht_oper_centr_freq_seg0_idx)
8898 freq1 = ieee80211_chan_to_freq(
7d82170a 8899 NULL, opclass,
73afc20d
AO
8900 conf->vht_oper_centr_freq_seg0_idx);
8901
8902 if (conf->vht_oper_centr_freq_seg1_idx)
8903 freq2 = ieee80211_chan_to_freq(
7d82170a 8904 NULL, opclass,
73afc20d
AO
8905 conf->vht_oper_centr_freq_seg1_idx);
8906
8907 if (freq1 < 0 || freq2 < 0) {
8908 wpa_dbg(wpa_s, MSG_DEBUG,
8909 "P2P CSA: Selected invalid VHT center freqs");
8910 ret = -1;
8911 goto out;
8912 }
8913
8914 csa_settings.freq_params.vht_enabled = conf->ieee80211ac;
8915 csa_settings.freq_params.center_freq1 = freq1;
8916 csa_settings.freq_params.center_freq2 = freq2;
8917
8918 switch (conf->vht_oper_chwidth) {
8919 case VHT_CHANWIDTH_80MHZ:
8920 case VHT_CHANWIDTH_80P80MHZ:
8921 csa_settings.freq_params.bandwidth = 80;
8922 break;
8923 case VHT_CHANWIDTH_160MHZ:
8924 csa_settings.freq_params.bandwidth = 160;
8925 break;
8926 }
8927 }
8928
8929 ret = ap_switch_channel(wpa_s, &csa_settings);
8930out:
8931 current_ssid->frequency = old_freq;
8932 hostapd_config_free(conf);
8933 return ret;
1a471ff0
IP
8934}
8935
8936
8937static void wpas_p2p_move_go_no_csa(struct wpa_supplicant *wpa_s)
8938{
8939 struct p2p_go_neg_results params;
8940 struct wpa_ssid *current_ssid = wpa_s->current_ssid;
8941
8942 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_REMOVE_AND_REFORM_GROUP);
8943
8944 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Move GO from freq=%d MHz",
8945 current_ssid->frequency);
8946
8947 /* Stop the AP functionality */
8948 /* TODO: Should do this in a way that does not indicated to possible
8949 * P2P Clients in the group that the group is terminated. */
8950 wpa_supplicant_ap_deinit(wpa_s);
8951
8952 /* Reselect the GO frequency */
c27f4c90 8953 if (wpas_p2p_init_go_params(wpa_s, &params, 0, 0, 0, 0, 0, NULL)) {
1a471ff0
IP
8954 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Failed to reselect freq");
8955 wpas_p2p_group_delete(wpa_s,
8956 P2P_GROUP_REMOVAL_GO_LEAVE_CHANNEL);
8957 return;
8958 }
8959 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New freq selected for the GO (%u MHz)",
8960 params.freq);
8961
8962 if (params.freq &&
8963 !p2p_supported_freq_go(wpa_s->global->p2p, params.freq)) {
8964 wpa_printf(MSG_DEBUG,
8965 "P2P: Selected freq (%u MHz) is not valid for P2P",
8966 params.freq);
8967 wpas_p2p_group_delete(wpa_s,
8968 P2P_GROUP_REMOVAL_GO_LEAVE_CHANNEL);
8969 return;
8970 }
8971
8972 /* Update the frequency */
8973 current_ssid->frequency = params.freq;
8974 wpa_s->connect_without_scan = current_ssid;
8975 wpa_s->reassociate = 1;
8976 wpa_s->disconnected = 0;
8977 wpa_supplicant_req_scan(wpa_s, 0, 0);
8978}
8979
8980
8981static void wpas_p2p_move_go(void *eloop_ctx, void *timeout_ctx)
8982{
8983 struct wpa_supplicant *wpa_s = eloop_ctx;
8984
8985 if (!wpa_s->ap_iface || !wpa_s->current_ssid)
8986 return;
8987
5e1f4805
IP
8988 wpas_p2p_go_update_common_freqs(wpa_s);
8989
3bafb0d8
AO
8990 /* Do not move GO in the middle of a CSA */
8991 if (hostapd_csa_in_progress(wpa_s->ap_iface)) {
8992 wpa_printf(MSG_DEBUG,
8993 "P2P: CSA is in progress - not moving GO");
8994 return;
8995 }
8996
1a471ff0
IP
8997 /*
8998 * First, try a channel switch flow. If it is not supported or fails,
8999 * take down the GO and bring it up again.
9000 */
9001 if (wpas_p2p_move_go_csa(wpa_s) < 0)
9002 wpas_p2p_move_go_no_csa(wpa_s);
9003}
9004
9005
dae4c82c
IP
9006static void wpas_p2p_reconsider_moving_go(void *eloop_ctx, void *timeout_ctx)
9007{
9008 struct wpa_supplicant *wpa_s = eloop_ctx;
9009 struct wpa_used_freq_data *freqs = NULL;
9010 unsigned int num = wpa_s->num_multichan_concurrent;
9011
9012 freqs = os_calloc(num, sizeof(struct wpa_used_freq_data));
9013 if (!freqs)
9014 return;
9015
9016 num = get_shared_radio_freqs_data(wpa_s, freqs, num);
9017
9018 /* Previous attempt to move a GO was not possible -- try again. */
3a8f008a
IP
9019 wpas_p2p_consider_moving_gos(wpa_s, freqs, num,
9020 WPAS_P2P_CHANNEL_UPDATE_ANY);
dae4c82c
IP
9021
9022 os_free(freqs);
9023}
9024
9025
1a471ff0
IP
9026/*
9027 * Consider moving a GO from its currently used frequency:
9028 * 1. It is possible that due to regulatory consideration the frequency
9029 * can no longer be used and there is a need to evacuate the GO.
9030 * 2. It is possible that due to MCC considerations, it would be preferable
9031 * to move the GO to a channel that is currently used by some other
9032 * station interface.
9033 *
9034 * In case a frequency that became invalid is once again valid, cancel a
9035 * previously initiated GO frequency change.
9036 */
9037static void wpas_p2p_consider_moving_one_go(struct wpa_supplicant *wpa_s,
9038 struct wpa_used_freq_data *freqs,
9039 unsigned int num)
9040{
9041 unsigned int i, invalid_freq = 0, policy_move = 0, flags = 0;
9042 unsigned int timeout;
9043 int freq;
9044
5e1f4805
IP
9045 wpas_p2p_go_update_common_freqs(wpa_s);
9046
1a471ff0
IP
9047 freq = wpa_s->current_ssid->frequency;
9048 for (i = 0, invalid_freq = 0; i < num; i++) {
9049 if (freqs[i].freq == freq) {
9050 flags = freqs[i].flags;
9051
9052 /* The channel is invalid, must change it */
9053 if (!p2p_supported_freq_go(wpa_s->global->p2p, freq)) {
9054 wpa_dbg(wpa_s, MSG_DEBUG,
9055 "P2P: Freq=%d MHz no longer valid for GO",
9056 freq);
9057 invalid_freq = 1;
9058 }
9059 } else if (freqs[i].flags == 0) {
9060 /* Freq is not used by any other station interface */
9061 continue;
9062 } else if (!p2p_supported_freq(wpa_s->global->p2p,
9063 freqs[i].freq)) {
9064 /* Freq is not valid for P2P use cases */
9065 continue;
9066 } else if (wpa_s->conf->p2p_go_freq_change_policy ==
9067 P2P_GO_FREQ_MOVE_SCM) {
9068 policy_move = 1;
9069 } else if (wpa_s->conf->p2p_go_freq_change_policy ==
9070 P2P_GO_FREQ_MOVE_SCM_PEER_SUPPORTS &&
9071 wpas_p2p_go_is_peer_freq(wpa_s, freqs[i].freq)) {
9072 policy_move = 1;
98b05081
AO
9073 } else if ((wpa_s->conf->p2p_go_freq_change_policy ==
9074 P2P_GO_FREQ_MOVE_SCM_ECSA) &&
9075 wpas_p2p_go_is_peer_freq(wpa_s, freqs[i].freq)) {
9076 if (!p2p_get_group_num_members(wpa_s->p2p_group)) {
9077 policy_move = 1;
9078 } else if ((wpa_s->drv_flags &
9079 WPA_DRIVER_FLAGS_AP_CSA) &&
9080 wpas_p2p_go_clients_support_ecsa(wpa_s)) {
9081 u8 chan;
9082
9083 /*
9084 * We do not support CSA between bands, so move
9085 * GO only within the same band.
9086 */
9087 if (wpa_s->ap_iface->current_mode->mode ==
9088 ieee80211_freq_to_chan(freqs[i].freq,
9089 &chan))
9090 policy_move = 1;
9091 }
1a471ff0
IP
9092 }
9093 }
9094
9095 wpa_dbg(wpa_s, MSG_DEBUG,
9096 "P2P: GO move: invalid_freq=%u, policy_move=%u, flags=0x%X",
9097 invalid_freq, policy_move, flags);
9098
9099 /*
9100 * The channel is valid, or we are going to have a policy move, so
9101 * cancel timeout.
9102 */
9103 if (!invalid_freq || policy_move) {
9104 wpa_dbg(wpa_s, MSG_DEBUG,
9105 "P2P: Cancel a GO move from freq=%d MHz", freq);
9106 eloop_cancel_timeout(wpas_p2p_move_go, wpa_s, NULL);
dae4c82c
IP
9107
9108 if (wpas_p2p_in_progress(wpa_s)) {
9109 wpa_dbg(wpa_s, MSG_DEBUG,
9110 "P2P: GO move: policy CS is not allowed - setting timeout to re-consider GO move");
9111 eloop_cancel_timeout(wpas_p2p_reconsider_moving_go,
9112 wpa_s, NULL);
9113 eloop_register_timeout(P2P_RECONSIDER_GO_MOVE_DELAY, 0,
9114 wpas_p2p_reconsider_moving_go,
9115 wpa_s, NULL);
9116 return;
9117 }
1a471ff0
IP
9118 }
9119
9120 if (!invalid_freq && (!policy_move || flags != 0)) {
9121 wpa_dbg(wpa_s, MSG_DEBUG,
9122 "P2P: Not initiating a GO frequency change");
9123 return;
9124 }
9125
3bafb0d8
AO
9126 /*
9127 * Do not consider moving GO if it is in the middle of a CSA. When the
9128 * CSA is finished this flow should be retriggered.
9129 */
9130 if (hostapd_csa_in_progress(wpa_s->ap_iface)) {
9131 wpa_dbg(wpa_s, MSG_DEBUG,
9132 "P2P: Not initiating a GO frequency change - CSA is in progress");
9133 return;
9134 }
9135
1a471ff0
IP
9136 if (invalid_freq && !wpas_p2p_disallowed_freq(wpa_s->global, freq))
9137 timeout = P2P_GO_FREQ_CHANGE_TIME;
9138 else
9139 timeout = 0;
9140
9141 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Move GO from freq=%d MHz in %d secs",
9142 freq, timeout);
9143 eloop_cancel_timeout(wpas_p2p_move_go, wpa_s, NULL);
9144 eloop_register_timeout(timeout, 0, wpas_p2p_move_go, wpa_s, NULL);
9145}
9146
9147
9148static void wpas_p2p_consider_moving_gos(struct wpa_supplicant *wpa_s,
9149 struct wpa_used_freq_data *freqs,
3a8f008a
IP
9150 unsigned int num,
9151 enum wpas_p2p_channel_update_trig trig)
1a471ff0
IP
9152{
9153 struct wpa_supplicant *ifs;
9154
dae4c82c
IP
9155 eloop_cancel_timeout(wpas_p2p_reconsider_moving_go, ELOOP_ALL_CTX,
9156 NULL);
9157
1a471ff0
IP
9158 /*
9159 * Travers all the radio interfaces, and for each GO interface, check
9160 * if there is a need to move the GO from the frequency it is using,
9161 * or in case the frequency is valid again, cancel the evacuation flow.
9162 */
9163 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
9164 radio_list) {
9165 if (ifs->current_ssid == NULL ||
9166 ifs->current_ssid->mode != WPAS_MODE_P2P_GO)
9167 continue;
9168
3a8f008a
IP
9169 /*
9170 * The GO was just started or completed channel switch, no need
9171 * to move it.
9172 */
9173 if (wpa_s == ifs &&
9174 (trig == WPAS_P2P_CHANNEL_UPDATE_STATE_CHANGE ||
9175 trig == WPAS_P2P_CHANNEL_UPDATE_CS)) {
9176 wpa_dbg(wpa_s, MSG_DEBUG,
9177 "P2P: GO move - schedule re-consideration");
9178 eloop_register_timeout(P2P_RECONSIDER_GO_MOVE_DELAY, 0,
9179 wpas_p2p_reconsider_moving_go,
9180 wpa_s, NULL);
9181 continue;
9182 }
9183
1a471ff0
IP
9184 wpas_p2p_consider_moving_one_go(ifs, freqs, num);
9185 }
9186}
9187
9188
e3bd6e9d
IP
9189void wpas_p2p_indicate_state_change(struct wpa_supplicant *wpa_s)
9190{
e3bd6e9d
IP
9191 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
9192 return;
9193
3a8f008a
IP
9194 wpas_p2p_update_channel_list(wpa_s,
9195 WPAS_P2P_CHANNEL_UPDATE_STATE_CHANGE);
e3bd6e9d 9196}
bd10d938
JM
9197
9198
9199void wpas_p2p_deinit_iface(struct wpa_supplicant *wpa_s)
9200{
bd10d938
JM
9201 if (wpa_s == wpa_s->global->p2p_init_wpa_s && wpa_s->global->p2p) {
9202 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Disable P2P since removing "
9203 "the management interface is being removed");
9204 wpas_p2p_deinit_global(wpa_s->global);
9205 }
9206}
9207
9208
9209void wpas_p2p_ap_deinit(struct wpa_supplicant *wpa_s)
9210{
9211 if (wpa_s->ap_iface->bss)
9212 wpa_s->ap_iface->bss[0]->p2p_group = NULL;
9213 wpas_p2p_group_deinit(wpa_s);
9214}
a6f5b193
PX
9215
9216
9217int wpas_p2p_lo_start(struct wpa_supplicant *wpa_s, unsigned int freq,
9218 unsigned int period, unsigned int interval,
9219 unsigned int count)
9220{
9221 struct p2p_data *p2p = wpa_s->global->p2p;
9222 u8 *device_types;
9223 size_t dev_types_len;
9224 struct wpabuf *buf;
9225 int ret;
9226
9227 if (wpa_s->p2p_lo_started) {
9228 wpa_dbg(wpa_s, MSG_DEBUG,
9229 "P2P Listen offload is already started");
9230 return 0;
9231 }
9232
9233 if (wpa_s->global->p2p == NULL ||
9234 !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD)) {
9235 wpa_printf(MSG_DEBUG, "P2P: Listen offload not supported");
9236 return -1;
9237 }
9238
9239 if (!p2p_supported_freq(wpa_s->global->p2p, freq)) {
9240 wpa_printf(MSG_ERROR, "P2P: Input channel not supported: %u",
9241 freq);
9242 return -1;
9243 }
9244
9245 /* Get device type */
9246 dev_types_len = (wpa_s->conf->num_sec_device_types + 1) *
9247 WPS_DEV_TYPE_LEN;
9248 device_types = os_malloc(dev_types_len);
9249 if (!device_types)
9250 return -1;
9251 os_memcpy(device_types, wpa_s->conf->device_type, WPS_DEV_TYPE_LEN);
9252 os_memcpy(&device_types[WPS_DEV_TYPE_LEN], wpa_s->conf->sec_device_type,
9253 wpa_s->conf->num_sec_device_types * WPS_DEV_TYPE_LEN);
9254
9255 /* Get Probe Response IE(s) */
9256 buf = p2p_build_probe_resp_template(p2p, freq);
9257 if (!buf) {
9258 os_free(device_types);
9259 return -1;
9260 }
9261
9262 ret = wpa_drv_p2p_lo_start(wpa_s, freq, period, interval, count,
9263 device_types, dev_types_len,
9264 wpabuf_mhead_u8(buf), wpabuf_len(buf));
9265 if (ret < 0)
9266 wpa_dbg(wpa_s, MSG_DEBUG,
9267 "P2P: Failed to start P2P listen offload");
9268
9269 os_free(device_types);
9270 wpabuf_free(buf);
9271
9272 if (ret == 0) {
9273 wpa_s->p2p_lo_started = 1;
9274
9275 /* Stop current P2P listen if any */
9276 wpas_stop_listen(wpa_s);
9277 }
9278
9279 return ret;
9280}
9281
9282
9283int wpas_p2p_lo_stop(struct wpa_supplicant *wpa_s)
9284{
9285 int ret;
9286
9287 if (!wpa_s->p2p_lo_started)
9288 return 0;
9289
9290 ret = wpa_drv_p2p_lo_stop(wpa_s);
9291 if (ret < 0)
9292 wpa_dbg(wpa_s, MSG_DEBUG,
9293 "P2P: Failed to stop P2P listen offload");
9294
9295 wpa_s->p2p_lo_started = 0;
9296 return ret;
9297}