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D-Bus: Add getter and setter for P2P IP address config parameters
[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52 * it is currently using, but is no longer valid for P2P use cases.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57 * Defines CSA parameters which are used when GO evacuates the no longer valid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 809 if (wpas_p2p_add_group_interface(wpa_s,
847ee1aa 810 WPA_IF_P2P_GROUP) < 0) {
6d908514
KV		 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;
783c2920
SD		 5239 while ((!p2p_supported_freq(wpa_s->global->p2p,
5240 pref_freq_list[i]) ||
5241 wpas_p2p_disallowed_freq(wpa_s->global,
5242 pref_freq_list[i])) &&
370017d9
AK		 5243 i < *num_pref_freq) {
5244 wpa_printf(MSG_DEBUG,
5245 "P2P: preferred_freq_list[%d]=%d is disallowed",
5246 i, pref_freq_list[i]);
5247 i++;
5248 }
5249 if (i != *num_pref_freq) {
5250 best_freq = pref_freq_list[i];
5251 wpa_printf(MSG_DEBUG,
5252 "P2P: Using preferred_freq_list[%d]=%d",
5253 i, best_freq);
5254 } else {
5255 wpa_printf(MSG_DEBUG,
5256 "P2P: All driver preferred frequencies are disallowed for P2P use");
5257 *num_pref_freq = 0;
5258 }
5259 } else {
5260 wpa_printf(MSG_DEBUG,
5261 "P2P: No preferred frequency list available");
5262 }
5263 }
5264
a0c90bb0
IP		 5265 /* We have a candidate frequency to use */
5266 if (best_freq > 0) {
5267 if (*pref_freq == 0 && num_unused > 0) {
b17d89bd 5268 wpa_printf(MSG_DEBUG, "P2P: Try to prefer a frequency (%u MHz) we are already using",
a0c90bb0
IP		 5269 best_freq);
5270 *pref_freq = best_freq;
b17d89bd
JM		 5271 } else {
5272 wpa_printf(MSG_DEBUG, "P2P: Try to force us to use frequency (%u MHz) which is already in use",
a0c90bb0
IP		 5273 best_freq);
5274 *force_freq = best_freq;
0d08efa4 5275 }
a0c90bb0
IP		 5276 } else if (num_unused > 0) {
5277 wpa_printf(MSG_DEBUG,
5278 "P2P: Current operating channels are not available for P2P. Try to use another channel");
5279 *force_freq = 0;
5280 } else {
5281 wpa_printf(MSG_DEBUG,
5282 "P2P: All channels are in use and none of them are P2P enabled. Cannot start P2P group");
5283 res = -2;
5284 goto exit_free;
0d08efa4
IP		 5285 }
5286
5287exit_ok:
5288 res = 0;
5289exit_free:
5290 os_free(freqs);
5291 return res;
5de4b721
JM		 5292}
5293
5294
b22128ef
JM		 5295/**
5296 * wpas_p2p_connect - Request P2P Group Formation to be started
5297 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5298 * @peer_addr: Address of the peer P2P Device
5299 * @pin: PIN to use during provisioning or %NULL to indicate PBC mode
5300 * @persistent_group: Whether to create a persistent group
b31be3a0 5301 * @auto_join: Whether to select join vs. GO Negotiation automatically
b22128ef
JM		 5302 * @join: Whether to join an existing group (as a client) instead of starting
5303 * Group Owner negotiation; @peer_addr is BSSID in that case
5304 * @auth: Whether to only authorize the connection instead of doing that and
5305 * initiating Group Owner negotiation
5306 * @go_intent: GO Intent or -1 to use default
5307 * @freq: Frequency for the group or 0 for auto-selection
c27f4c90 5308 * @freq2: Center frequency of segment 1 for the GO operating in VHT 80P80 mode
23c84252
JM		 5309 * @persistent_id: Persistent group credentials to use for forcing GO
5310 * parameters or -1 to generate new values (SSID/passphrase)
3bc462cb
JM		 5311 * @pd: Whether to send Provision Discovery prior to GO Negotiation as an
5312 * interoperability workaround when initiating group formation
e2308e4b 5313 * @ht40: Start GO with 40 MHz channel width
20ea1ca4 5314 * @vht: Start GO with VHT support
c27f4c90
AK		 5315 * @vht_chwidth: Channel width supported by GO operating with VHT support
5316 * (VHT_CHANWIDTH_*).
70e0cb33
JM		 5317 * @group_ssid: Specific Group SSID for join or %NULL if not set
5318 * @group_ssid_len: Length of @group_ssid in octets
d054a462
JM		 5319 * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified
5320 * failure, -2 on failure due to channel not currently available,
5321 * -3 if forced channel is not supported
b22128ef
JM		 5322 */
5323int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
5324 const char *pin, enum p2p_wps_method wps_method,
b31be3a0 5325 int persistent_group, int auto_join, int join, int auth,
c27f4c90
AK		 5326 int go_intent, int freq, unsigned int vht_center_freq2,
5327 int persistent_id, int pd, int ht40, int vht,
70e0cb33
JM		 5328 unsigned int vht_chwidth, const u8 *group_ssid,
5329 size_t group_ssid_len)
b22128ef 5330{
0d08efa4 5331 int force_freq = 0, pref_freq = 0;
5de4b721 5332 int ret = 0, res;
b22128ef 5333 enum wpa_driver_if_type iftype;
6cad95db 5334 const u8 *if_addr;
23c84252 5335 struct wpa_ssid *ssid = NULL;
370017d9 5336 unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size;
b22128ef 5337
9526fd29
JM		 5338 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
5339 return -1;
5340
23c84252
JM		 5341 if (persistent_id >= 0) {
5342 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
5343 if (ssid == NULL || ssid->disabled != 2 ||
5344 ssid->mode != WPAS_MODE_P2P_GO)
5345 return -1;
5346 }
5347
01a57fe4
JM		 5348 os_free(wpa_s->global->add_psk);
5349 wpa_s->global->add_psk = NULL;
5350
95fb2db2 5351 wpa_s->global->p2p_fail_on_wps_complete = 0;
9a58e521 5352 wpa_s->global->pending_p2ps_group = 0;
8bb8e6ed 5353 wpa_s->global->pending_p2ps_group_freq = 0;
b9da88d6 5354 wpa_s->p2ps_method_config_any = 0;
95fb2db2 5355
b22128ef
JM		 5356 if (go_intent < 0)
5357 go_intent = wpa_s->conf->p2p_go_intent;
5358
5359 if (!auth)
5360 wpa_s->p2p_long_listen = 0;
5361
3c5126a4 5362 wpa_s->p2p_wps_method = wps_method;
b31be3a0 5363 wpa_s->p2p_persistent_group = !!persistent_group;
23c84252 5364 wpa_s->p2p_persistent_id = persistent_id;
b31be3a0
JM		 5365 wpa_s->p2p_go_intent = go_intent;
5366 wpa_s->p2p_connect_freq = freq;
aa9bb764 5367 wpa_s->p2p_fallback_to_go_neg = 0;
3bc462cb 5368 wpa_s->p2p_pd_before_go_neg = !!pd;
e2308e4b 5369 wpa_s->p2p_go_ht40 = !!ht40;
20ea1ca4 5370 wpa_s->p2p_go_vht = !!vht;
c27f4c90
AK		 5371 wpa_s->p2p_go_vht_center_freq2 = vht_center_freq2;
5372 wpa_s->p2p_go_max_oper_chwidth = vht_chwidth;
3c5126a4 5373
b22128ef
JM		 5374 if (pin)
5375 os_strlcpy(wpa_s->p2p_pin, pin, sizeof(wpa_s->p2p_pin));
5376 else if (wps_method == WPS_PIN_DISPLAY) {
98a516ea
NL		 5377 if (wps_generate_pin((unsigned int *) &ret) < 0)
5378 return -1;
1d399771
JM		 5379 res = os_snprintf(wpa_s->p2p_pin, sizeof(wpa_s->p2p_pin),
5380 "%08d", ret);
5381 if (os_snprintf_error(sizeof(wpa_s->p2p_pin), res))
5382 wpa_s->p2p_pin[sizeof(wpa_s->p2p_pin) - 1] = '\0';
b22128ef
JM		 5383 wpa_printf(MSG_DEBUG, "P2P: Randomly generated PIN: %s",
5384 wpa_s->p2p_pin);
31d7fb14
PK		 5385 } else if (wps_method == WPS_P2PS) {
5386 /* Force the P2Ps default PIN to be used */
5387 os_strlcpy(wpa_s->p2p_pin, "12345670", sizeof(wpa_s->p2p_pin));
b22128ef
JM		 5388 } else
5389 wpa_s->p2p_pin[0] = '\0';
5390
b31be3a0 5391 if (join || auto_join) {
4147a2cc 5392 u8 iface_addr[ETH_ALEN], dev_addr[ETH_ALEN];
108def93
JM		 5393 if (auth) {
5394 wpa_printf(MSG_DEBUG, "P2P: Authorize invitation to "
5395 "connect a running group from " MACSTR,
5396 MAC2STR(peer_addr));
5397 os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN);
5398 return ret;
5399 }
4147a2cc 5400 os_memcpy(dev_addr, peer_addr, ETH_ALEN);
b22128ef 5401 if (p2p_get_interface_addr(wpa_s->global->p2p, peer_addr,
4147a2cc 5402 iface_addr) < 0) {
b22128ef 5403 os_memcpy(iface_addr, peer_addr, ETH_ALEN);
4147a2cc
JM		 5404 p2p_get_dev_addr(wpa_s->global->p2p, peer_addr,
5405 dev_addr);
5406 }
b31be3a0 5407 if (auto_join) {
acb69cec 5408 os_get_reltime(&wpa_s->p2p_auto_started);
b31be3a0
JM		 5409 wpa_printf(MSG_DEBUG, "P2P: Auto join started at "
5410 "%ld.%06ld",
5411 wpa_s->p2p_auto_started.sec,
5412 wpa_s->p2p_auto_started.usec);
5413 }
67527166 5414 wpa_s->user_initiated_pd = 1;
b31be3a0 5415 if (wpas_p2p_join(wpa_s, iface_addr, dev_addr, wps_method,
70e0cb33
JM		 5416 auto_join, freq,
5417 group_ssid, group_ssid_len) < 0)
b22128ef
JM		 5418 return -1;
5419 return ret;
5420 }
5421
370017d9 5422 size = P2P_MAX_PREF_CHANNELS;
51e9f228 5423 res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq,
370017d9 5424 go_intent == 15, pref_freq_list, &size);
5de4b721
JM		 5425 if (res)
5426 return res;
1b665cbf
JM		 5427 wpas_p2p_set_own_freq_preference(wpa_s,
5428 force_freq ? force_freq : pref_freq);
b22128ef 5429
370017d9
AK		 5430 p2p_set_own_pref_freq_list(wpa_s->global->p2p, pref_freq_list, size);
5431
b22128ef
JM		 5432 wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
5433
6cad95db
JB		 5434 if (wpa_s->create_p2p_iface) {
5435 /* Prepare to add a new interface for the group */
5436 iftype = WPA_IF_P2P_GROUP;
5437 if (go_intent == 15)
5438 iftype = WPA_IF_P2P_GO;
5439 if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) {
5440 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
5441 "interface for the group");
b22128ef 5442 return -1;
6cad95db 5443 }
b22128ef 5444
6cad95db 5445 if_addr = wpa_s->pending_interface_addr;
9f59fe8d 5446 } else {
96a26ab7
LD		 5447 if (wpa_s->p2p_mgmt)
5448 if_addr = wpa_s->parent->own_addr;
5449 else
5450 if_addr = wpa_s->own_addr;
9f59fe8d
JM		 5451 os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
5452 }
b22128ef
JM		 5453
5454 if (auth) {
5455 if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method,
6cad95db 5456 go_intent, if_addr,
04a3e69d
JM		 5457 force_freq, persistent_group, ssid,
5458 pref_freq) < 0)
b22128ef
JM		 5459 return -1;
5460 return ret;
5461 }
6cad95db
JB		 5462
5463 if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method,
5464 go_intent, if_addr, force_freq,
04a3e69d 5465 persistent_group, ssid, pref_freq) < 0) {
6cad95db
JB		 5466 if (wpa_s->create_p2p_iface)
5467 wpas_p2p_remove_pending_group_interface(wpa_s);
b22128ef
JM		 5468 return -1;
5469 }
5470 return ret;
5471}
5472
5473
5474/**
5475 * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start
5476 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5477 * @freq: Frequency of the channel in MHz
5478 * @duration: Duration of the stay on the channel in milliseconds
5479 *
5480 * This callback is called when the driver indicates that it has started the
5481 * requested remain-on-channel duration.
5482 */
5483void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
5484 unsigned int freq, unsigned int duration)
5485{
9526fd29
JM		 5486 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
5487 return;
f2dc06e2
JM		 5488 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)",
5489 wpa_s->off_channel_freq, wpa_s->pending_listen_freq,
5490 wpa_s->roc_waiting_drv_freq, freq, duration);
5491 if (wpa_s->off_channel_freq &&
5492 wpa_s->off_channel_freq == wpa_s->pending_listen_freq) {
b22128ef
JM		 5493 p2p_listen_cb(wpa_s->global->p2p, wpa_s->pending_listen_freq,
5494 wpa_s->pending_listen_duration);
5495 wpa_s->pending_listen_freq = 0;
211d7ab3
JM		 5496 } else {
5497 wpa_printf(MSG_DEBUG, "P2P: Ignore remain-on-channel callback (off_channel_freq=%u pending_listen_freq=%d freq=%u duration=%u)",
5498 wpa_s->off_channel_freq, wpa_s->pending_listen_freq,
5499 freq, duration);
b22128ef
JM		 5500 }
5501}
5502
5503
49e1e9ca 5504int wpas_p2p_listen_start(struct wpa_supplicant *wpa_s, unsigned int timeout)
b22128ef
JM		 5505{
5506 /* Limit maximum Listen state time based on driver limitation. */
5507 if (timeout > wpa_s->max_remain_on_chan)
5508 timeout = wpa_s->max_remain_on_chan;
5509
5510 return p2p_listen(wpa_s->global->p2p, timeout);
5511}
5512
5513
5514/**
5515 * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout
5516 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5517 * @freq: Frequency of the channel in MHz
5518 *
5519 * This callback is called when the driver indicates that a remain-on-channel
5520 * operation has been completed, i.e., the duration on the requested channel
5521 * has timed out.
5522 */
5523void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
5524 unsigned int freq)
5525{
1cc3a29d 5526 wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel callback "
11fb02be 5527 "(p2p_long_listen=%d ms pending_action_tx=%p)",
2f3101d8 5528 wpa_s->p2p_long_listen, offchannel_pending_action_tx(wpa_s));
e1d1c8e2 5529 wpas_p2p_listen_work_done(wpa_s);
9526fd29
JM		 5530 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
5531 return;
49e1e9ca
JJ		 5532 if (wpa_s->p2p_long_listen > 0)
5533 wpa_s->p2p_long_listen -= wpa_s->max_remain_on_chan;
b22128ef
JM		 5534 if (p2p_listen_end(wpa_s->global->p2p, freq) > 0)
5535 return; /* P2P module started a new operation */
2f3101d8 5536 if (offchannel_pending_action_tx(wpa_s))
b22128ef 5537 return;
b22128ef
JM		 5538 if (wpa_s->p2p_long_listen > 0) {
5539 wpa_printf(MSG_DEBUG, "P2P: Continuing long Listen state");
11fb02be 5540 wpas_p2p_listen_start(wpa_s, wpa_s->p2p_long_listen);
0b5fb86a
SADR		 5541 } else {
5542 /*
5543 * When listen duration is over, stop listen & update p2p_state
5544 * to IDLE.
5545 */
5546 p2p_stop_listen(wpa_s->global->p2p);
b22128ef
JM		 5547 }
5548}
5549
5550
5551/**
5552 * wpas_p2p_group_remove - Remove a P2P group
5553 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5554 * @ifname: Network interface name of the group interface or "*" to remove all
5555 * groups
5556 * Returns: 0 on success, -1 on failure
5557 *
5558 * This function is used to remove a P2P group. This can be used to disconnect
5559 * from a group in which the local end is a P2P Client or to end a P2P Group in
5560 * case the local end is the Group Owner. If a virtual network interface was
5561 * created for this group, that interface will be removed. Otherwise, only the
5562 * configured P2P group network will be removed from the interface.
5563 */
5564int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname)
5565{
5566 struct wpa_global *global = wpa_s->global;
f2b3acc9 5567 struct wpa_supplicant *calling_wpa_s = wpa_s;
b22128ef
JM		 5568
5569 if (os_strcmp(ifname, "*") == 0) {
5570 struct wpa_supplicant *prev;
5571 wpa_s = global->ifaces;
5572 while (wpa_s) {
5573 prev = wpa_s;
5574 wpa_s = wpa_s->next;
d99ca89d
IP		 5575 if (prev->p2p_group_interface !=
5576 NOT_P2P_GROUP_INTERFACE ||
5577 (prev->current_ssid &&
5578 prev->current_ssid->p2p_group))
f2b3acc9 5579 wpas_p2p_disconnect_safely(prev, calling_wpa_s);
b22128ef
JM		 5580 }
5581 return 0;
5582 }
5583
5584 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
5585 if (os_strcmp(wpa_s->ifname, ifname) == 0)
5586 break;
5587 }
5588
f2b3acc9 5589 return wpas_p2p_disconnect_safely(wpa_s, calling_wpa_s);
b22128ef
JM		 5590}
5591
5592
4abc0424
WJL		 5593static int wpas_p2p_select_go_freq(struct wpa_supplicant *wpa_s, int freq)
5594{
5595 unsigned int r;
5596
8e84921e
AK		 5597 if (!wpa_s->conf->num_p2p_pref_chan && !freq) {
5598 unsigned int i, size = P2P_MAX_PREF_CHANNELS;
5599 unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS];
5600 int res;
5601
5602 res = wpa_drv_get_pref_freq_list(wpa_s, WPA_IF_P2P_GO,
5603 &size, pref_freq_list);
5604 if (!res && size > 0) {
5605 i = 0;
5606 while (wpas_p2p_disallowed_freq(wpa_s->global,
5607 pref_freq_list[i]) &&
5608 i < size) {
5609 wpa_printf(MSG_DEBUG,
5610 "P2P: preferred_freq_list[%d]=%d is disallowed",
5611 i, pref_freq_list[i]);
5612 i++;
5613 }
5614 if (i != size) {
5615 freq = pref_freq_list[i];
5616 wpa_printf(MSG_DEBUG,
5617 "P2P: Using preferred_freq_list[%d]=%d",
5618 i, freq);
5619 } else {
5620 wpa_printf(MSG_DEBUG,
5621 "P2P: All driver preferred frequencies are disallowed for P2P use");
5622 }
5623 } else {
5624 wpa_printf(MSG_DEBUG,
5625 "P2P: No preferred frequency list available");
5626 }
5627 }
5628
4abc0424
WJL		 5629 if (freq == 2) {
5630 wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 2.4 GHz "
5631 "band");
5632 if (wpa_s->best_24_freq > 0 &&
556b30da
JM		 5633 p2p_supported_freq_go(wpa_s->global->p2p,
5634 wpa_s->best_24_freq)) {
4abc0424
WJL		 5635 freq = wpa_s->best_24_freq;
5636 wpa_printf(MSG_DEBUG, "P2P: Use best 2.4 GHz band "
5637 "channel: %d MHz", freq);
5638 } else {
df2508d7
JM		 5639 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
5640 return -1;
4abc0424
WJL		 5641 freq = 2412 + (r % 3) * 25;
5642 wpa_printf(MSG_DEBUG, "P2P: Use random 2.4 GHz band "
5643 "channel: %d MHz", freq);
5644 }
5645 }
5646
5647 if (freq == 5) {
5648 wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 5 GHz "
5649 "band");
5650 if (wpa_s->best_5_freq > 0 &&
556b30da 5651 p2p_supported_freq_go(wpa_s->global->p2p,
4abc0424
WJL		 5652 wpa_s->best_5_freq)) {
5653 freq = wpa_s->best_5_freq;
5654 wpa_printf(MSG_DEBUG, "P2P: Use best 5 GHz band "
5655 "channel: %d MHz", freq);
5656 } else {
df2508d7
JM		 5657 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
5658 return -1;
4abc0424 5659 freq = 5180 + (r % 4) * 20;
556b30da 5660 if (!p2p_supported_freq_go(wpa_s->global->p2p, freq)) {
4abc0424
WJL		 5661 wpa_printf(MSG_DEBUG, "P2P: Could not select "
5662 "5 GHz channel for P2P group");
5663 return -1;
5664 }
5665 wpa_printf(MSG_DEBUG, "P2P: Use random 5 GHz band "
5666 "channel: %d MHz", freq);
5667 }
5668 }
5669
556b30da 5670 if (freq > 0 && !p2p_supported_freq_go(wpa_s->global->p2p, freq)) {
d7f1aa8f
AK		 5671 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) &&
5672 ieee80211_is_dfs(freq)) {
5673 /*
5674 * If freq is a DFS channel and DFS is offloaded to the
5675 * driver, allow P2P GO to use it.
5676 */
5677 wpa_printf(MSG_DEBUG, "P2P: "
5678 "%s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded",
5679 __func__, freq);
5680 return freq;
5681 }
4abc0424
WJL		 5682 wpa_printf(MSG_DEBUG, "P2P: The forced channel for GO "
5683 "(%u MHz) is not supported for P2P uses",
5684 freq);
5685 return -1;
5686 }
5687
5688 return freq;
5689}
5690
5691
b1308121
IP		 5692static int wpas_p2p_supported_freq_go(struct wpa_supplicant *wpa_s,
5693 const struct p2p_channels *channels,
5694 int freq)
5695{
5696 if (!wpas_p2p_disallowed_freq(wpa_s->global, freq) &&
5697 p2p_supported_freq_go(wpa_s->global->p2p, freq) &&
5698 freq_included(wpa_s, channels, freq))
5699 return 1;
5700 return 0;
5701}
5702
5703
5704static void wpas_p2p_select_go_freq_no_pref(struct wpa_supplicant *wpa_s,
5705 struct p2p_go_neg_results *params,
5706 const struct p2p_channels *channels)
28812a89
IP		 5707{
5708 unsigned int i, r;
5709
5710 /* first try some random selection of the social channels */
5e62cfdf 5711 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
b1308121 5712 return;
28812a89
IP		 5713
5714 for (i = 0; i < 3; i++) {
5715 params->freq = 2412 + ((r + i) % 3) * 25;
b1308121 5716 if (wpas_p2p_supported_freq_go(wpa_s, channels, params->freq))
28812a89
IP		 5717 goto out;
5718 }
5719
b1308121 5720 /* try all other channels in operating class 81 */
28812a89
IP		 5721 for (i = 0; i < 11; i++) {
5722 params->freq = 2412 + i * 5;
b1308121
IP		 5723
5724 /* skip social channels; covered in the previous loop */
5725 if (params->freq == 2412 ||
5726 params->freq == 2437 ||
5727 params->freq == 2462)
5728 continue;
5729
5730 if (wpas_p2p_supported_freq_go(wpa_s, channels, params->freq))
1595eb93
AM		 5731 goto out;
5732 }
5733
95d7b863
KV		 5734 /* try all channels in operating class 115 */
5735 for (i = 0; i < 4; i++) {
5736 params->freq = 5180 + i * 20;
5737 if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
e280110d 5738 freq_included(wpa_s, channels, params->freq) &&
95d7b863
KV		 5739 p2p_supported_freq(wpa_s->global->p2p, params->freq))
5740 goto out;
5741 }
5742
5743 /* try all channels in operating class 124 */
5744 for (i = 0; i < 4; i++) {
5745 params->freq = 5745 + i * 20;
5746 if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
e280110d 5747 freq_included(wpa_s, channels, params->freq) &&
95d7b863
KV		 5748 p2p_supported_freq(wpa_s->global->p2p, params->freq))
5749 goto out;
5750 }
5751
1595eb93
AM		 5752 /* try social channel class 180 channel 2 */
5753 params->freq = 58320 + 1 * 2160;
5754 if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
e280110d 5755 freq_included(wpa_s, channels, params->freq) &&
1595eb93
AM		 5756 p2p_supported_freq(wpa_s->global->p2p, params->freq))
5757 goto out;
5758
5759 /* try all channels in reg. class 180 */
5760 for (i = 0; i < 4; i++) {
5761 params->freq = 58320 + i * 2160;
5762 if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
e280110d 5763 freq_included(wpa_s, channels, params->freq) &&
1595eb93 5764 p2p_supported_freq(wpa_s->global->p2p, params->freq))
28812a89
IP		 5765 goto out;
5766 }
5767
b1308121 5768 params->freq = 0;
95d7b863 5769 wpa_printf(MSG_DEBUG, "P2P: No 2.4, 5, or 60 GHz channel allowed");
b1308121 5770 return;
28812a89
IP		 5771out:
5772 wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz (no preference known)",
5773 params->freq);
28812a89
IP		 5774}
5775
5776
b8349523
NKG		 5777static int wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s,
5778 struct p2p_go_neg_results *params,
c27f4c90
AK		 5779 int freq, int vht_center_freq2, int ht40,
5780 int vht, int max_oper_chwidth,
54733624 5781 const struct p2p_channels *channels)
b22128ef 5782{
a0c90bb0 5783 struct wpa_used_freq_data *freqs;
b1308121 5784 unsigned int cand;
0d08efa4 5785 unsigned int num, i;
23dcb302 5786 int ignore_no_freqs = 0;
c69ef1d2 5787 int unused_channels = wpas_p2p_num_unused_channels(wpa_s) > 0;
b22128ef
JM		 5788
5789 os_memset(params, 0, sizeof(*params));
5790 params->role_go = 1;
7aeac985 5791 params->ht40 = ht40;
20ea1ca4 5792 params->vht = vht;
c27f4c90
AK		 5793 params->max_oper_chwidth = max_oper_chwidth;
5794 params->vht_center_freq2 = vht_center_freq2;
e280110d 5795
b1308121
IP		 5796 freqs = os_calloc(wpa_s->num_multichan_concurrent,
5797 sizeof(struct wpa_used_freq_data));
5798 if (!freqs)
5799 return -1;
5800
23dcb302
IP		 5801 num = get_shared_radio_freqs_data(wpa_s, freqs,
5802 wpa_s->num_multichan_concurrent);
5803
5804 if (wpa_s->current_ssid &&
5805 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO &&
5806 wpa_s->wpa_state == WPA_COMPLETED) {
5807 wpa_printf(MSG_DEBUG, "P2P: %s called for an active GO",
5808 __func__);
5809
5810 /*
5811 * If the frequency selection is done for an active P2P GO that
5812 * is not sharing a frequency, allow to select a new frequency
5813 * even if there are no unused frequencies as we are about to
5814 * move the P2P GO so its frequency can be re-used.
5815 */
5816 for (i = 0; i < num; i++) {
5817 if (freqs[i].freq == wpa_s->current_ssid->frequency &&
5818 freqs[i].flags == 0) {
5819 ignore_no_freqs = 1;
5820 break;
5821 }
5822 }
5823 }
b1308121
IP		 5824
5825 /* try using the forced freq */
7cfc4ac3 5826 if (freq) {
b1308121
IP		 5827 if (!wpas_p2p_supported_freq_go(wpa_s, channels, freq)) {
5828 wpa_printf(MSG_DEBUG,
5829 "P2P: Forced GO freq %d MHz not accepted",
5830 freq);
5831 goto fail;
5832 }
5833
5834 for (i = 0; i < num; i++) {
5835 if (freqs[i].freq == freq) {
5836 wpa_printf(MSG_DEBUG,
5837 "P2P: forced freq (%d MHz) is also shared",
5838 freq);
5839 params->freq = freq;
5840 goto success;
5841 }
54733624 5842 }
b1308121 5843
c69ef1d2 5844 if (!ignore_no_freqs && !unused_channels) {
b1308121
IP		 5845 wpa_printf(MSG_DEBUG,
5846 "P2P: Cannot force GO on freq (%d MHz) as all the channels are in use",
5847 freq);
5848 goto fail;
5849 }
5850
5851 wpa_printf(MSG_DEBUG,
5852 "P2P: force GO freq (%d MHz) on a free channel",
5853 freq);
b22128ef 5854 params->freq = freq;
b1308121
IP		 5855 goto success;
5856 }
5857
5858 /* consider using one of the shared frequencies */
c69ef1d2
EP		 5859 if (num &&
5860 (!wpa_s->conf->p2p_ignore_shared_freq || !unused_channels)) {
b1308121
IP		 5861 cand = wpas_p2p_pick_best_used_freq(wpa_s, freqs, num);
5862 if (wpas_p2p_supported_freq_go(wpa_s, channels, cand)) {
5863 wpa_printf(MSG_DEBUG,
5864 "P2P: Use shared freq (%d MHz) for GO",
4115b052 5865 cand);
b1308121
IP		 5866 params->freq = cand;
5867 goto success;
5868 }
5869
5870 /* try using one of the shared freqs */
5871 for (i = 0; i < num; i++) {
5872 if (wpas_p2p_supported_freq_go(wpa_s, channels,
5873 freqs[i].freq)) {
5874 wpa_printf(MSG_DEBUG,
5875 "P2P: Use shared freq (%d MHz) for GO",
4115b052 5876 freqs[i].freq);
b1308121
IP		 5877 params->freq = freqs[i].freq;
5878 goto success;
5879 }
5880 }
5881 }
5882
c69ef1d2 5883 if (!ignore_no_freqs && !unused_channels) {
b1308121
IP		 5884 wpa_printf(MSG_DEBUG,
5885 "P2P: Cannot force GO on any of the channels we are already using");
5886 goto fail;
5887 }
5888
5889 /* try using the setting from the configuration file */
5890 if (wpa_s->conf->p2p_oper_reg_class == 81 &&
5891 wpa_s->conf->p2p_oper_channel >= 1 &&
5892 wpa_s->conf->p2p_oper_channel <= 11 &&
5893 wpas_p2p_supported_freq_go(
5894 wpa_s, channels,
5895 2407 + 5 * wpa_s->conf->p2p_oper_channel)) {
b22128ef 5896 params->freq = 2407 + 5 * wpa_s->conf->p2p_oper_channel;
7cfc4ac3
AGS		 5897 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured "
5898 "frequency %d MHz", params->freq);
b1308121
IP		 5899 goto success;
5900 }
5901
5902 if ((wpa_s->conf->p2p_oper_reg_class == 115 ||
5903 wpa_s->conf->p2p_oper_reg_class == 116 ||
5904 wpa_s->conf->p2p_oper_reg_class == 117 ||
5905 wpa_s->conf->p2p_oper_reg_class == 124 ||
5906 wpa_s->conf->p2p_oper_reg_class == 125 ||
5907 wpa_s->conf->p2p_oper_reg_class == 126 ||
5908 wpa_s->conf->p2p_oper_reg_class == 127) &&
5909 wpas_p2p_supported_freq_go(wpa_s, channels,
5910 5000 +
5911 5 * wpa_s->conf->p2p_oper_channel)) {
b22128ef 5912 params->freq = 5000 + 5 * wpa_s->conf->p2p_oper_channel;
7cfc4ac3
AGS		 5913 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured "
5914 "frequency %d MHz", params->freq);
b1308121
IP		 5915 goto success;
5916 }
5917
5918 /* Try using best channels */
5919 if (wpa_s->conf->p2p_oper_channel == 0 &&
5920 wpa_s->best_overall_freq > 0 &&
5921 wpas_p2p_supported_freq_go(wpa_s, channels,
5922 wpa_s->best_overall_freq)) {
7cfc4ac3
AGS		 5923 params->freq = wpa_s->best_overall_freq;
5924 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best overall "
5925 "channel %d MHz", params->freq);
b1308121
IP		 5926 goto success;
5927 }
5928
5929 if (wpa_s->conf->p2p_oper_channel == 0 &&
5930 wpa_s->best_24_freq > 0 &&
5931 wpas_p2p_supported_freq_go(wpa_s, channels,
5932 wpa_s->best_24_freq)) {
7cfc4ac3
AGS		 5933 params->freq = wpa_s->best_24_freq;
5934 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 2.4 GHz "
5935 "channel %d MHz", params->freq);
b1308121
IP		 5936 goto success;
5937 }
5938
5939 if (wpa_s->conf->p2p_oper_channel == 0 &&
5940 wpa_s->best_5_freq > 0 &&
5941 wpas_p2p_supported_freq_go(wpa_s, channels,
5942 wpa_s->best_5_freq)) {
7cfc4ac3
AGS		 5943 params->freq = wpa_s->best_5_freq;
5944 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 5 GHz "
5945 "channel %d MHz", params->freq);
b1308121
IP		 5946 goto success;
5947 }
5948
5949 /* try using preferred channels */
5950 cand = p2p_get_pref_freq(wpa_s->global->p2p, channels);
5951 if (cand && wpas_p2p_supported_freq_go(wpa_s, channels, cand)) {
5952 params->freq = cand;
c6ccf12d
SS		 5953 wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz from preferred "
5954 "channels", params->freq);
b1308121
IP		 5955 goto success;
5956 }
5957
5958 /* Try using one of the group common freqs */
5959 if (wpa_s->p2p_group_common_freqs) {
e280110d 5960 for (i = 0; i < wpa_s->p2p_group_common_freqs_num; i++) {
b1308121
IP		 5961 cand = wpa_s->p2p_group_common_freqs[i];
5962 if (wpas_p2p_supported_freq_go(wpa_s, channels, cand)) {
5963 params->freq = cand;
e280110d
IP		 5964 wpa_printf(MSG_DEBUG,
5965 "P2P: Use freq %d MHz common with the peer",
5966 params->freq);
b1308121 5967 goto success;
e280110d
IP		 5968 }
5969 }
7cfc4ac3
AGS		 5970 }
5971
b1308121
IP		 5972 /* no preference, select some channel */
5973 wpas_p2p_select_go_freq_no_pref(wpa_s, params, channels);
a0c90bb0 5974
b1308121
IP		 5975 if (params->freq == 0) {
5976 wpa_printf(MSG_DEBUG, "P2P: did not find a freq for GO use");
5977 goto fail;
0d08efa4 5978 }
7d669cf7 5979
b1308121 5980success:
0d08efa4 5981 os_free(freqs);
b8349523 5982 return 0;
b1308121
IP		 5983fail:
5984 os_free(freqs);
5985 return -1;
b22128ef
JM		 5986}
5987
5988
5989static struct wpa_supplicant *
5990wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
5991 int go)
5992{
5993 struct wpa_supplicant *group_wpa_s;
5994
ac06fb12 5995 if (!wpas_p2p_create_iface(wpa_s)) {
96a26ab7
LD		 5996 if (wpa_s->p2p_mgmt) {
5997 /*
5998 * We may be called on the p2p_dev interface which
5999 * cannot be used for group operations, so always use
6000 * the primary interface.
6001 */
6002 wpa_s->parent->p2pdev = wpa_s;
6003 wpa_s = wpa_s->parent;
6004 }
6005 wpa_dbg(wpa_s, MSG_DEBUG,
6006 "P2P: Use primary interface for group operations");
bbc6c729 6007 wpa_s->p2p_first_connection_timeout = 0;
96a26ab7 6008 if (wpa_s != wpa_s->p2pdev)
9b377be0 6009 wpas_p2p_clone_config(wpa_s, wpa_s->p2pdev);
b22128ef 6010 return wpa_s;
ac06fb12 6011 }
b22128ef
JM		 6012
6013 if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO :
ac06fb12 6014 WPA_IF_P2P_CLIENT) < 0) {
92c4465b
JM		 6015 wpa_msg_global(wpa_s, MSG_ERROR,
6016 "P2P: Failed to add group interface");
b22128ef 6017 return NULL;
ac06fb12 6018 }
b22128ef
JM		 6019 group_wpa_s = wpas_p2p_init_group_interface(wpa_s, go);
6020 if (group_wpa_s == NULL) {
92c4465b
JM		 6021 wpa_msg_global(wpa_s, MSG_ERROR,
6022 "P2P: Failed to initialize group interface");
b22128ef
JM		 6023 wpas_p2p_remove_pending_group_interface(wpa_s);
6024 return NULL;
6025 }
6026
ac06fb12
JM		 6027 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use separate group interface %s",
6028 group_wpa_s->ifname);
bbc6c729 6029 group_wpa_s->p2p_first_connection_timeout = 0;
b22128ef
JM		 6030 return group_wpa_s;
6031}
6032
6033
6034/**
6035 * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner
6036 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
6037 * @persistent_group: Whether to create a persistent group
6038 * @freq: Frequency for the group or 0 to indicate no hardcoding
c27f4c90 6039 * @vht_center_freq2: segment_1 center frequency for GO operating in VHT 80P80
20ea1ca4
EP		 6040 * @ht40: Start GO with 40 MHz channel width
6041 * @vht: Start GO with VHT support
c27f4c90 6042 * @vht_chwidth: channel bandwidth for GO operating with VHT support
b22128ef
JM		 6043 * Returns: 0 on success, -1 on failure
6044 *
6045 * This function creates a new P2P group with the local end as the Group Owner,
6046 * i.e., without using Group Owner Negotiation.
6047 */
6048int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group,
c27f4c90
AK		 6049 int freq, int vht_center_freq2, int ht40, int vht,
6050 int max_oper_chwidth)
b22128ef
JM		 6051{
6052 struct p2p_go_neg_results params;
7cfc4ac3 6053
9526fd29
JM		 6054 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6055 return -1;
6056
01a57fe4
JM		 6057 os_free(wpa_s->global->add_psk);
6058 wpa_s->global->add_psk = NULL;
6059
2d4f15d6
JJ		 6060 /* Make sure we are not running find during connection establishment */
6061 wpa_printf(MSG_DEBUG, "P2P: Stop any on-going P2P FIND");
8713a2e6 6062 wpas_p2p_stop_find_oper(wpa_s);
2d4f15d6 6063
4abc0424
WJL		 6064 freq = wpas_p2p_select_go_freq(wpa_s, freq);
6065 if (freq < 0)
4ae4650b 6066 return -1;
4ae4650b 6067
c27f4c90
AK		 6068 if (wpas_p2p_init_go_params(wpa_s, &params, freq, vht_center_freq2,
6069 ht40, vht, max_oper_chwidth, NULL))
b8349523 6070 return -1;
f4329aa2 6071 if (params.freq &&
556b30da 6072 !p2p_supported_freq_go(wpa_s->global->p2p, params.freq)) {
d7f1aa8f
AK		 6073 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) &&
6074 ieee80211_is_dfs(params.freq)) {
6075 /*
6076 * If freq is a DFS channel and DFS is offloaded to the
6077 * driver, allow P2P GO to use it.
6078 */
6079 wpa_printf(MSG_DEBUG,
6080 "P2P: %s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to driver",
6081 __func__, params.freq);
6082 } else {
6083 wpa_printf(MSG_DEBUG,
6084 "P2P: The selected channel for GO (%u MHz) is not supported for P2P uses",
6085 params.freq);
6086 return -1;
6087 }
f4329aa2 6088 }
b22128ef
JM		 6089 p2p_go_params(wpa_s->global->p2p, &params);
6090 params.persistent_group = persistent_group;
6091
6092 wpa_s = wpas_p2p_get_group_iface(wpa_s, 0, 1);
6093 if (wpa_s == NULL)
6094 return -1;
6095 wpas_start_wps_go(wpa_s, &params, 0);
6096
6097 return 0;
6098}
6099
6100
6101static int wpas_start_p2p_client(struct wpa_supplicant *wpa_s,
41d5ce9e 6102 struct wpa_ssid *params, int addr_allocated,
dfaf11d6 6103 int freq, int force_scan)
b22128ef
JM		 6104{
6105 struct wpa_ssid *ssid;
6106
6107 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 0);
6108 if (wpa_s == NULL)
6109 return -1;
dfaf11d6
JM		 6110 if (force_scan)
6111 os_get_reltime(&wpa_s->scan_min_time);
5bf9a6c8 6112 wpa_s->p2p_last_4way_hs_fail = NULL;
b22128ef
JM		 6113
6114 wpa_supplicant_ap_deinit(wpa_s);
6115
6116 ssid = wpa_config_add_network(wpa_s->conf);
6117 if (ssid == NULL)
6118 return -1;
9f59fe8d 6119 os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
b22128ef
JM		 6120 wpa_config_set_network_defaults(ssid);
6121 ssid->temporary = 1;
6122 ssid->proto = WPA_PROTO_RSN;
f347429c
LD		 6123 ssid->pbss = params->pbss;
6124 ssid->pairwise_cipher = params->pbss ? WPA_CIPHER_GCMP :
6125 WPA_CIPHER_CCMP;
6126 ssid->group_cipher = params->pbss ? WPA_CIPHER_GCMP : WPA_CIPHER_CCMP;
b22128ef
JM		 6127 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
6128 ssid->ssid = os_malloc(params->ssid_len);
6129 if (ssid->ssid == NULL) {
b22128ef
JM		 6130 wpa_config_remove_network(wpa_s->conf, ssid->id);
6131 return -1;
6132 }
6133 os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
6134 ssid->ssid_len = params->ssid_len;
6135 ssid->p2p_group = 1;
d1c8ac88 6136 ssid->export_keys = 1;
b22128ef
JM		 6137 if (params->psk_set) {
6138 os_memcpy(ssid->psk, params->psk, 32);
6139 ssid->psk_set = 1;
6140 }
6141 if (params->passphrase)
6142 ssid->passphrase = os_strdup(params->passphrase);
6143
b22128ef 6144 wpa_s->show_group_started = 1;
41d5ce9e
RR		 6145 wpa_s->p2p_in_invitation = 1;
6146 wpa_s->p2p_invite_go_freq = freq;
bf3214b5
JM		 6147 wpa_s->p2p_go_group_formation_completed = 0;
6148 wpa_s->global->p2p_group_formation = wpa_s;
b22128ef 6149
ba307f85 6150 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->p2pdev,
91364b7f
SDU		 6151 NULL);
6152 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0,
6153 wpas_p2p_group_formation_timeout,
ba307f85 6154 wpa_s->p2pdev, NULL);
6fc48481
RR		 6155 wpa_supplicant_select_network(wpa_s, ssid);
6156
b22128ef
JM		 6157 return 0;
6158}
6159
6160
6161int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s,
6162 struct wpa_ssid *ssid, int addr_allocated,
c27f4c90
AK		 6163 int force_freq, int neg_freq,
6164 int vht_center_freq2, int ht40,
6165 int vht, int max_oper_chwidth,
6166 const struct p2p_channels *channels,
dfaf11d6 6167 int connection_timeout, int force_scan)
b22128ef
JM		 6168{
6169 struct p2p_go_neg_results params;
062a7c0d 6170 int go = 0, freq;
b22128ef
JM		 6171
6172 if (ssid->disabled != 2 || ssid->ssid == NULL)
6173 return -1;
6174
6c0da49f
JM		 6175 if (wpas_get_p2p_group(wpa_s, ssid->ssid, ssid->ssid_len, &go) &&
6176 go == (ssid->mode == WPAS_MODE_P2P_GO)) {
6177 wpa_printf(MSG_DEBUG, "P2P: Requested persistent group is "
6178 "already running");
ccad05a9
KV		 6179 if (go == 0 &&
6180 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 6181 wpa_s->p2pdev, NULL)) {
ccad05a9
KV		 6182 /*
6183 * This can happen if Invitation Response frame was lost
6184 * and the peer (GO of a persistent group) tries to
6185 * invite us again. Reschedule the timeout to avoid
6186 * terminating the wait for the connection too early
6187 * since we now know that the peer is still trying to
6188 * invite us instead of having already started the GO.
6189 */
6190 wpa_printf(MSG_DEBUG,
6191 "P2P: Reschedule group formation timeout since peer is still trying to invite us");
6192 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0,
6193 wpas_p2p_group_formation_timeout,
ba307f85 6194 wpa_s->p2pdev, NULL);
ccad05a9 6195 }
6c0da49f
JM		 6196 return 0;
6197 }
6198
01a57fe4
JM		 6199 os_free(wpa_s->global->add_psk);
6200 wpa_s->global->add_psk = NULL;
6201
9d39057c 6202 /* Make sure we are not running find during connection establishment */
8713a2e6 6203 wpas_p2p_stop_find_oper(wpa_s);
b22128ef 6204
aa9bb764
JM		 6205 wpa_s->p2p_fallback_to_go_neg = 0;
6206
431dd8bb
MK		 6207 if (ssid->mode == WPAS_MODE_P2P_GO) {
6208 if (force_freq > 0) {
6209 freq = wpas_p2p_select_go_freq(wpa_s, force_freq);
6210 if (freq < 0)
6211 return -1;
6212 } else {
6213 freq = wpas_p2p_select_go_freq(wpa_s, neg_freq);
6214 if (freq < 0 ||
e280110d 6215 (freq > 0 && !freq_included(wpa_s, channels, freq)))
431dd8bb
MK		 6216 freq = 0;
6217 }
989e7846 6218 } else if (ssid->mode == WPAS_MODE_INFRA) {
431dd8bb 6219 freq = neg_freq;
e280110d 6220 if (freq <= 0 || !freq_included(wpa_s, channels, freq)) {
989e7846
AS		 6221 struct os_reltime now;
6222 struct wpa_bss *bss =
6223 wpa_bss_get_p2p_dev_addr(wpa_s, ssid->bssid);
6224
6225 os_get_reltime(&now);
6226 if (bss &&
6227 !os_reltime_expired(&now, &bss->last_update, 5) &&
e280110d 6228 freq_included(wpa_s, channels, bss->freq))
989e7846
AS		 6229 freq = bss->freq;
6230 else
6231 freq = 0;
6232 }
4abc0424 6233
dfaf11d6
JM		 6234 return wpas_start_p2p_client(wpa_s, ssid, addr_allocated, freq,
6235 force_scan);
989e7846 6236 } else {
41d5ce9e 6237 return -1;
989e7846 6238 }
41d5ce9e 6239
c27f4c90
AK		 6240 if (wpas_p2p_init_go_params(wpa_s, &params, freq, vht_center_freq2,
6241 ht40, vht, max_oper_chwidth, channels))
b8349523 6242 return -1;
b22128ef
JM		 6243
6244 params.role_go = 1;
30c371e8
MH		 6245 params.psk_set = ssid->psk_set;
6246 if (params.psk_set)
6247 os_memcpy(params.psk, ssid->psk, sizeof(params.psk));
bb4d4deb
MH		 6248 if (ssid->passphrase) {
6249 if (os_strlen(ssid->passphrase) >= sizeof(params.passphrase)) {
6250 wpa_printf(MSG_ERROR, "P2P: Invalid passphrase in "
6251 "persistent group");
6252 return -1;
6253 }
6254 os_strlcpy(params.passphrase, ssid->passphrase,
6255 sizeof(params.passphrase));
b22128ef 6256 }
b22128ef
JM		 6257 os_memcpy(params.ssid, ssid->ssid, ssid->ssid_len);
6258 params.ssid_len = ssid->ssid_len;
6259 params.persistent_group = 1;
6260
6261 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 1);
6262 if (wpa_s == NULL)
6263 return -1;
6264
1170239e
IP		 6265 p2p_channels_to_freqs(channels, params.freq_list, P2P_MAX_CHANNELS);
6266
bbc6c729 6267 wpa_s->p2p_first_connection_timeout = connection_timeout;
b22128ef
JM		 6268 wpas_start_wps_go(wpa_s, &params, 0);
6269
6270 return 0;
6271}
6272
6273
6274static void wpas_p2p_ie_update(void *ctx, struct wpabuf *beacon_ies,
6275 struct wpabuf *proberesp_ies)
6276{
6277 struct wpa_supplicant *wpa_s = ctx;
6278 if (wpa_s->ap_iface) {
6279 struct hostapd_data *hapd = wpa_s->ap_iface->bss[0];
adc33680
JM		 6280 if (!(hapd->conf->p2p & P2P_GROUP_OWNER)) {
6281 wpabuf_free(beacon_ies);
6282 wpabuf_free(proberesp_ies);
6283 return;
6284 }
b22128ef
JM		 6285 if (beacon_ies) {
6286 wpabuf_free(hapd->p2p_beacon_ie);
6287 hapd->p2p_beacon_ie = beacon_ies;
6288 }
6289 wpabuf_free(hapd->p2p_probe_resp_ie);
6290 hapd->p2p_probe_resp_ie = proberesp_ies;
6291 } else {
6292 wpabuf_free(beacon_ies);
6293 wpabuf_free(proberesp_ies);
6294 }
6295 wpa_supplicant_ap_update_beacon(wpa_s);
6296}
6297
6298
3071e181
JM		 6299static void wpas_p2p_idle_update(void *ctx, int idle)
6300{
6301 struct wpa_supplicant *wpa_s = ctx;
6302 if (!wpa_s->ap_iface)
6303 return;
6304 wpa_printf(MSG_DEBUG, "P2P: GO - group %sidle", idle ? "" : "not ");
95fb2db2
JM		 6305 if (idle) {
6306 if (wpa_s->global->p2p_fail_on_wps_complete &&
6307 wpa_s->p2p_in_provisioning) {
6308 wpas_p2p_grpform_fail_after_wps(wpa_s);
6309 return;
6310 }
3071e181 6311 wpas_p2p_set_group_idle_timeout(wpa_s);
95fb2db2 6312 } else
3071e181
JM		 6313 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
6314}
6315
6316
b22128ef 6317struct p2p_group * wpas_p2p_group_init(struct wpa_supplicant *wpa_s,
6f251b6b 6318 struct wpa_ssid *ssid)
b22128ef
JM		 6319{
6320 struct p2p_group *group;
6321 struct p2p_group_config *cfg;
6322
ad6cee3f
JM		 6323 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL ||
6324 !ssid->p2p_group)
9526fd29 6325 return NULL;
3ac17eba 6326
b22128ef
JM		 6327 cfg = os_zalloc(sizeof(*cfg));
6328 if (cfg == NULL)
6329 return NULL;
6330
6f251b6b 6331 if (ssid->p2p_persistent_group && wpa_s->conf->persistent_reconnect)
acc247b2 6332 cfg->persistent_group = 2;
6f251b6b 6333 else if (ssid->p2p_persistent_group)
acc247b2 6334 cfg->persistent_group = 1;
b22128ef 6335 os_memcpy(cfg->interface_addr, wpa_s->own_addr, ETH_ALEN);
3f4ce13f
JM		 6336 if (wpa_s->max_stations &&
6337 wpa_s->max_stations < wpa_s->conf->max_num_sta)
6338 cfg->max_clients = wpa_s->max_stations;
6339 else
6340 cfg->max_clients = wpa_s->conf->max_num_sta;
6f251b6b
JM		 6341 os_memcpy(cfg->ssid, ssid->ssid, ssid->ssid_len);
6342 cfg->ssid_len = ssid->ssid_len;
ea43ad96 6343 cfg->freq = ssid->frequency;
b22128ef
JM		 6344 cfg->cb_ctx = wpa_s;
6345 cfg->ie_update = wpas_p2p_ie_update;
3071e181 6346 cfg->idle_update = wpas_p2p_idle_update;
f7648c86
JM		 6347 cfg->ip_addr_alloc = WPA_GET_BE32(wpa_s->p2pdev->conf->ip_addr_start)
6348 != 0;
b22128ef
JM		 6349
6350 group = p2p_group_init(wpa_s->global->p2p, cfg);
6351 if (group == NULL)
6352 os_free(cfg);
6f251b6b 6353 if (ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION)
b22128ef
JM		 6354 p2p_group_notif_formation_done(group);
6355 wpa_s->p2p_group = group;
6356 return group;
6357}
6358
6359
6360void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
6361 int registrar)
6362{
10531d21
JM		 6363 struct wpa_ssid *ssid = wpa_s->current_ssid;
6364
b22128ef
JM		 6365 if (!wpa_s->p2p_in_provisioning) {
6366 wpa_printf(MSG_DEBUG, "P2P: Ignore WPS success event - P2P "
6367 "provisioning not in progress");
6368 return;
6369 }
6370
10531d21
JM		 6371 if (ssid && ssid->mode == WPAS_MODE_INFRA) {
6372 u8 go_dev_addr[ETH_ALEN];
6373 os_memcpy(go_dev_addr, wpa_s->bssid, ETH_ALEN);
6374 wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid,
6375 ssid->ssid_len);
6376 /* Clear any stored provisioning info */
6377 p2p_clear_provisioning_info(wpa_s->global->p2p, go_dev_addr);
6378 }
ec437d9e 6379
ba307f85 6380 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->p2pdev,
b22128ef 6381 NULL);
41f85323 6382 wpa_s->p2p_go_group_formation_completed = 1;
361cdf34
JM		 6383 if (ssid && ssid->mode == WPAS_MODE_INFRA) {
6384 /*
6385 * Use a separate timeout for initial data connection to
6386 * complete to allow the group to be removed automatically if
6387 * something goes wrong in this step before the P2P group idle
6388 * timeout mechanism is taken into use.
6389 */
41f85323
JM		 6390 wpa_dbg(wpa_s, MSG_DEBUG,
6391 "P2P: Re-start group formation timeout (%d seconds) as client for initial connection",
6392 P2P_MAX_INITIAL_CONN_WAIT);
361cdf34
JM		 6393 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0,
6394 wpas_p2p_group_formation_timeout,
ba307f85 6395 wpa_s->p2pdev, NULL);
328f49ac
JM		 6396 /* Complete group formation on successful data connection. */
6397 wpa_s->p2p_go_group_formation_completed = 0;
41f85323
JM		 6398 } else if (ssid) {
6399 /*
6400 * Use a separate timeout for initial data connection to
6401 * complete to allow the group to be removed automatically if
6402 * the client does not complete data connection successfully.
6403 */
6404 wpa_dbg(wpa_s, MSG_DEBUG,
6405 "P2P: Re-start group formation timeout (%d seconds) as GO for initial connection",
6406 P2P_MAX_INITIAL_CONN_WAIT_GO);
6407 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT_GO, 0,
6408 wpas_p2p_group_formation_timeout,
ba307f85 6409 wpa_s->p2pdev, NULL);
41f85323
JM		 6410 /*
6411 * Complete group formation on first successful data connection
6412 */
6413 wpa_s->p2p_go_group_formation_completed = 0;
361cdf34 6414 }
b22128ef
JM		 6415 if (wpa_s->global->p2p)
6416 p2p_wps_success_cb(wpa_s->global->p2p, peer_addr);
d95c5994 6417 wpas_group_formation_completed(wpa_s, 1, 0);
b22128ef
JM		 6418}
6419
6420
3734552f
JS		 6421void wpas_p2p_wps_failed(struct wpa_supplicant *wpa_s,
6422 struct wps_event_fail *fail)
6423{
6424 if (!wpa_s->p2p_in_provisioning) {
6425 wpa_printf(MSG_DEBUG, "P2P: Ignore WPS fail event - P2P "
6426 "provisioning not in progress");
6427 return;
6428 }
ec437d9e
JJ		 6429
6430 if (wpa_s->go_params) {
6431 p2p_clear_provisioning_info(
6432 wpa_s->global->p2p,
10531d21 6433 wpa_s->go_params->peer_device_addr);
ec437d9e
JJ		 6434 }
6435
3734552f 6436 wpas_notify_p2p_wps_failed(wpa_s, fail);
95fb2db2
JM		 6437
6438 if (wpa_s == wpa_s->global->p2p_group_formation) {
6439 /*
6440 * Allow some time for the failed WPS negotiation exchange to
6441 * complete, but remove the group since group formation cannot
6442 * succeed after provisioning failure.
6443 */
6444 wpa_printf(MSG_DEBUG, "P2P: WPS step failed during group formation - reject connection from timeout");
6445 wpa_s->global->p2p_fail_on_wps_complete = 1;
6446 eloop_deplete_timeout(0, 50000,
6447 wpas_p2p_group_formation_timeout,
ba307f85 6448 wpa_s->p2pdev, NULL);
95fb2db2
JM		 6449 }
6450}
6451
6452
6453int wpas_p2p_wps_eapol_cb(struct wpa_supplicant *wpa_s)
6454{
6455 if (!wpa_s->global->p2p_fail_on_wps_complete ||
6456 !wpa_s->p2p_in_provisioning)
6457 return 0;
6458
6459 wpas_p2p_grpform_fail_after_wps(wpa_s);
6460
6461 return 1;
3734552f
JS		 6462}
6463
6464
b22128ef 6465int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
0918c4bf 6466 const char *config_method,
6d908514
KV		 6467 enum wpas_p2p_prov_disc_use use,
6468 struct p2ps_provision *p2ps_prov)
b22128ef
JM		 6469{
6470 u16 config_methods;
6471
9a58e521 6472 wpa_s->global->pending_p2ps_group = 0;
8bb8e6ed 6473 wpa_s->global->pending_p2ps_group_freq = 0;
aa9bb764 6474 wpa_s->p2p_fallback_to_go_neg = 0;
0918c4bf 6475 wpa_s->pending_pd_use = NORMAL_PD;
6d908514
KV		 6476 if (p2ps_prov && use == WPAS_P2P_PD_FOR_ASP) {
6477 p2ps_prov->conncap = p2ps_group_capability(
ebd32943
IP		 6478 wpa_s, P2PS_SETUP_NONE, p2ps_prov->role,
6479 &p2ps_prov->force_freq, &p2ps_prov->pref_freq);
6480
6d908514
KV		 6481 wpa_printf(MSG_DEBUG,
6482 "P2P: %s conncap: %d - ASP parsed: %x %x %d %s",
6483 __func__, p2ps_prov->conncap,
6484 p2ps_prov->adv_id, p2ps_prov->conncap,
6485 p2ps_prov->status, p2ps_prov->info);
6486
6487 config_methods = 0;
6488 } else if (os_strncmp(config_method, "display", 7) == 0)
b22128ef 6489 config_methods = WPS_CONFIG_DISPLAY;
8c5f7309 6490 else if (os_strncmp(config_method, "keypad", 6) == 0)
b22128ef 6491 config_methods = WPS_CONFIG_KEYPAD;
8c5f7309
JJ		 6492 else if (os_strncmp(config_method, "pbc", 3) == 0 ||
6493 os_strncmp(config_method, "pushbutton", 10) == 0)
b22128ef 6494 config_methods = WPS_CONFIG_PUSHBUTTON;
8c5f7309
JJ		 6495 else {
6496 wpa_printf(MSG_DEBUG, "P2P: Unknown config method");
6d908514 6497 os_free(p2ps_prov);
b22128ef 6498 return -1;
8c5f7309 6499 }
b22128ef 6500
0918c4bf
JM		 6501 if (use == WPAS_P2P_PD_AUTO) {
6502 os_memcpy(wpa_s->pending_join_dev_addr, peer_addr, ETH_ALEN);
6503 wpa_s->pending_pd_config_methods = config_methods;
6504 wpa_s->p2p_auto_pd = 1;
6505 wpa_s->p2p_auto_join = 0;
6506 wpa_s->pending_pd_before_join = 0;
84286a22 6507 wpa_s->auto_pd_scan_retry = 0;
0918c4bf
JM		 6508 wpas_p2p_stop_find(wpa_s);
6509 wpa_s->p2p_join_scan_count = 0;
acb69cec 6510 os_get_reltime(&wpa_s->p2p_auto_started);
84286a22
SDU		 6511 wpa_printf(MSG_DEBUG, "P2P: Auto PD started at %ld.%06ld",
6512 wpa_s->p2p_auto_started.sec,
6513 wpa_s->p2p_auto_started.usec);
0918c4bf
JM		 6514 wpas_p2p_join_scan(wpa_s, NULL);
6515 return 0;
6516 }
6517
6d908514
KV		 6518 if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled) {
6519 os_free(p2ps_prov);
b22128ef 6520 return -1;
6d908514 6521 }
b22128ef 6522
6d908514 6523 return p2p_prov_disc_req(wpa_s->global->p2p, peer_addr, p2ps_prov,
0918c4bf 6524 config_methods, use == WPAS_P2P_PD_FOR_JOIN,
67527166 6525 0, 1);
b22128ef
JM		 6526}
6527
6528
6529int wpas_p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
6530 char *end)
6531{
6532 return p2p_scan_result_text(ies, ies_len, buf, end);
6533}
6534
6535
1cc3a29d
JM		 6536static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant *wpa_s)
6537{
2f3101d8 6538 if (!offchannel_pending_action_tx(wpa_s))
1cc3a29d
JM		 6539 return;
6540
944f6935 6541 if (wpa_s->p2p_send_action_work) {
2c51c0bd 6542 wpas_p2p_free_send_action_work(wpa_s);
944f6935
JM		 6543 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout,
6544 wpa_s, NULL);
6545 offchannel_send_action_done(wpa_s);
6546 }
2fa980f0 6547
1cc3a29d
JM		 6548 wpa_printf(MSG_DEBUG, "P2P: Drop pending Action TX due to new "
6549 "operation request");
2f3101d8 6550 offchannel_clear_pending_action_tx(wpa_s);
1cc3a29d
JM		 6551}
6552
6553
b22128ef 6554int wpas_p2p_find(struct wpa_supplicant *wpa_s, unsigned int timeout,
046ef4aa 6555 enum p2p_discovery_type type,
6d92fa6e 6556 unsigned int num_req_dev_types, const u8 *req_dev_types,
51775096 6557 const u8 *dev_id, unsigned int search_delay,
fa9f381f 6558 u8 seek_cnt, const char **seek_string, int freq)
b22128ef 6559{
1cc3a29d 6560 wpas_p2p_clear_pending_action_tx(wpa_s);
b22128ef
JM		 6561 wpa_s->p2p_long_listen = 0;
6562
5bda43cd 6563 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL ||
85a6cdb5 6564 wpa_s->p2p_in_provisioning)
9526fd29
JM		 6565 return -1;
6566
433cd2ce
JM		 6567 wpa_supplicant_cancel_sched_scan(wpa_s);
6568
046ef4aa 6569 return p2p_find(wpa_s->global->p2p, timeout, type,
37448ede 6570 num_req_dev_types, req_dev_types, dev_id,
fa9f381f 6571 search_delay, seek_cnt, seek_string, freq);
b22128ef
JM		 6572}
6573
6574
477b082c
SD		 6575static void wpas_p2p_scan_res_ignore_search(struct wpa_supplicant *wpa_s,
6576 struct wpa_scan_results *scan_res)
6577{
6578 wpa_printf(MSG_DEBUG, "P2P: Ignore scan results");
6579
6580 if (wpa_s->p2p_scan_work) {
6581 struct wpa_radio_work *work = wpa_s->p2p_scan_work;
6582 wpa_s->p2p_scan_work = NULL;
6583 radio_work_done(work);
6584 }
6585
6586 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6587 return;
6588
6589 /*
6590 * Indicate that results have been processed so that the P2P module can
6591 * continue pending tasks.
6592 */
6593 p2p_scan_res_handled(wpa_s->global->p2p);
6594}
6595
6596
a6294141 6597static void wpas_p2p_stop_find_oper(struct wpa_supplicant *wpa_s)
b22128ef 6598{
1cc3a29d 6599 wpas_p2p_clear_pending_action_tx(wpa_s);
b22128ef 6600 wpa_s->p2p_long_listen = 0;
9d39057c 6601 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
ef922c4a 6602 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
b22128ef 6603
9526fd29
JM		 6604 if (wpa_s->global->p2p)
6605 p2p_stop_find(wpa_s->global->p2p);
477b082c
SD		 6606
6607 if (wpa_s->scan_res_handler == wpas_p2p_scan_res_handler) {
6608 wpa_printf(MSG_DEBUG,
6609 "P2P: Do not consider the scan results after stop_find");
6610 wpa_s->scan_res_handler = wpas_p2p_scan_res_ignore_search;
6611 }
8713a2e6
JM		 6612}
6613
6614
6615void wpas_p2p_stop_find(struct wpa_supplicant *wpa_s)
6616{
a6294141 6617 wpas_p2p_stop_find_oper(wpa_s);
93eca615
KV		 6618 if (!wpa_s->global->pending_group_iface_for_p2ps)
6619 wpas_p2p_remove_pending_group_interface(wpa_s);
b22128ef
JM		 6620}
6621
6622
6623static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx)
6624{
6625 struct wpa_supplicant *wpa_s = eloop_ctx;
6626 wpa_s->p2p_long_listen = 0;
6627}
6628
6629
6630int wpas_p2p_listen(struct wpa_supplicant *wpa_s, unsigned int timeout)
6631{
6632 int res;
6633
9526fd29
JM		 6634 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6635 return -1;
6636
a6f5b193
PX		 6637 if (wpa_s->p2p_lo_started) {
6638 wpa_printf(MSG_DEBUG,
6639 "P2P: Cannot start P2P listen, it is offloaded");
6640 return -1;
6641 }
6642
433cd2ce 6643 wpa_supplicant_cancel_sched_scan(wpa_s);
1cc3a29d
JM		 6644 wpas_p2p_clear_pending_action_tx(wpa_s);
6645
b22128ef
JM		 6646 if (timeout == 0) {
6647 /*
6648 * This is a request for unlimited Listen state. However, at
6649 * least for now, this is mapped to a Listen state for one
6650 * hour.
6651 */
6652 timeout = 3600;
6653 }
6654 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
6655 wpa_s->p2p_long_listen = 0;
6656
2bb747e2
JM		 6657 /*
6658 * Stop previous find/listen operation to avoid trying to request a new
6659 * remain-on-channel operation while the driver is still running the
6660 * previous one.
6661 */
6662 if (wpa_s->global->p2p)
6663 p2p_stop_find(wpa_s->global->p2p);
6664
b22128ef
JM		 6665 res = wpas_p2p_listen_start(wpa_s, timeout * 1000);
6666 if (res == 0 && timeout * 1000 > wpa_s->max_remain_on_chan) {
11fb02be 6667 wpa_s->p2p_long_listen = timeout * 1000;
b22128ef
JM		 6668 eloop_register_timeout(timeout, 0,
6669 wpas_p2p_long_listen_timeout,
6670 wpa_s, NULL);
6671 }
6672
6673 return res;
6674}
6675
6676
4c08c0bd 6677int wpas_p2p_assoc_req_ie(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
b22128ef
JM		 6678 u8 *buf, size_t len, int p2p_group)
6679{
4c08c0bd
JM		 6680 struct wpabuf *p2p_ie;
6681 int ret;
6682
b22128ef
JM		 6683 if (wpa_s->global->p2p_disabled)
6684 return -1;
d63f1419
SD		 6685 /*
6686 * Advertize mandatory cross connection capability even on
6687 * p2p_disabled=1 interface when associating with a P2P Manager WLAN AP.
6688 */
6689 if (wpa_s->conf->p2p_disabled && p2p_group)
1c2aa04c 6690 return -1;
b22128ef
JM		 6691 if (wpa_s->global->p2p == NULL)
6692 return -1;
e1f1509b
JM		 6693 if (bss == NULL)
6694 return -1;
b22128ef 6695
4c08c0bd
JM		 6696 p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
6697 ret = p2p_assoc_req_ie(wpa_s->global->p2p, bss->bssid, buf, len,
6698 p2p_group, p2p_ie);
6699 wpabuf_free(p2p_ie);
6700
6701 return ret;
b22128ef
JM		 6702}
6703
6704
6705int wpas_p2p_probe_req_rx(struct wpa_supplicant *wpa_s, const u8 *addr,
04a85e44 6706 const u8 *dst, const u8 *bssid,
734ddf61
MS		 6707 const u8 *ie, size_t ie_len,
6708 unsigned int rx_freq, int ssi_signal)
b22128ef
JM		 6709{
6710 if (wpa_s->global->p2p_disabled)
6711 return 0;
6712 if (wpa_s->global->p2p == NULL)
6713 return 0;
6714
2d43d37f 6715 switch (p2p_probe_req_rx(wpa_s->global->p2p, addr, dst, bssid,
a6f5b193 6716 ie, ie_len, rx_freq, wpa_s->p2p_lo_started)) {
2d43d37f
JB		 6717 case P2P_PREQ_NOT_P2P:
6718 wpas_notify_preq(wpa_s, addr, dst, bssid, ie, ie_len,
6719 ssi_signal);
6720 /* fall through */
6721 case P2P_PREQ_MALFORMED:
6722 case P2P_PREQ_NOT_LISTEN:
6723 case P2P_PREQ_NOT_PROCESSED:
6724 default: /* make gcc happy */
6725 return 0;
6726 case P2P_PREQ_PROCESSED:
6727 return 1;
6728 }
b22128ef
JM		 6729}
6730
6731
6732void wpas_p2p_rx_action(struct wpa_supplicant *wpa_s, const u8 *da,
6733 const u8 *sa, const u8 *bssid,
6734 u8 category, const u8 *data, size_t len, int freq)
6735{
6736 if (wpa_s->global->p2p_disabled)
6737 return;
6738 if (wpa_s->global->p2p == NULL)
6739 return;
6740
6741 p2p_rx_action(wpa_s->global->p2p, da, sa, bssid, category, data, len,
6742 freq);
6743}
6744
6745
6746void wpas_p2p_scan_ie(struct wpa_supplicant *wpa_s, struct wpabuf *ies)
6747{
c58eed6d
LD		 6748 unsigned int bands;
6749
b22128ef
JM		 6750 if (wpa_s->global->p2p_disabled)
6751 return;
6752 if (wpa_s->global->p2p == NULL)
6753 return;
6754
c58eed6d
LD		 6755 bands = wpas_get_bands(wpa_s, NULL);
6756 p2p_scan_ie(wpa_s->global->p2p, ies, NULL, bands);
b22128ef
JM		 6757}
6758
6759
bd10d938 6760static void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s)
b22128ef
JM		 6761{
6762 p2p_group_deinit(wpa_s->p2p_group);
6763 wpa_s->p2p_group = NULL;
a7fd39bb
JD		 6764
6765 wpa_s->ap_configured_cb = NULL;
6766 wpa_s->ap_configured_cb_ctx = NULL;
6767 wpa_s->ap_configured_cb_data = NULL;
6768 wpa_s->connect_without_scan = NULL;
b22128ef
JM		 6769}
6770
6771
6772int wpas_p2p_reject(struct wpa_supplicant *wpa_s, const u8 *addr)
6773{
6774 wpa_s->p2p_long_listen = 0;
6775
9526fd29
JM		 6776 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6777 return -1;
6778
b22128ef
JM		 6779 return p2p_reject(wpa_s->global->p2p, addr);
6780}
6781
6782
6783/* Invite to reinvoke a persistent group */
6784int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
4d32c0c4 6785 struct wpa_ssid *ssid, const u8 *go_dev_addr, int freq,
c27f4c90
AK		 6786 int vht_center_freq2, int ht40, int vht, int max_chwidth,
6787 int pref_freq)
b22128ef
JM		 6788{
6789 enum p2p_invite_role role;
0d08efa4
IP		 6790 u8 *bssid = NULL;
6791 int force_freq = 0;
5de4b721 6792 int res;
d0f61a4b 6793 int no_pref_freq_given = pref_freq == 0;
370017d9 6794 unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size;
b22128ef 6795
dbca75f8 6796 wpa_s->global->p2p_invite_group = NULL;
77e4e853
JM		 6797 if (peer_addr)
6798 os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN);
6799 else
6800 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6801
4d32c0c4
JM		 6802 wpa_s->p2p_persistent_go_freq = freq;
6803 wpa_s->p2p_go_ht40 = !!ht40;
c27f4c90
AK		 6804 wpa_s->p2p_go_vht = !!vht;
6805 wpa_s->p2p_go_max_oper_chwidth = max_chwidth;
6806 wpa_s->p2p_go_vht_center_freq2 = vht_center_freq2;
b22128ef
JM		 6807 if (ssid->mode == WPAS_MODE_P2P_GO) {
6808 role = P2P_INVITE_ROLE_GO;
6809 if (peer_addr == NULL) {
6810 wpa_printf(MSG_DEBUG, "P2P: Missing peer "
6811 "address in invitation command");
6812 return -1;
6813 }
6814 if (wpas_p2p_create_iface(wpa_s)) {
6815 if (wpas_p2p_add_group_interface(wpa_s,
6816 WPA_IF_P2P_GO) < 0) {
6817 wpa_printf(MSG_ERROR, "P2P: Failed to "
6818 "allocate a new interface for the "
6819 "group");
6820 return -1;
6821 }
6822 bssid = wpa_s->pending_interface_addr;
96a26ab7
LD		 6823 } else if (wpa_s->p2p_mgmt)
6824 bssid = wpa_s->parent->own_addr;
6825 else
b22128ef
JM		 6826 bssid = wpa_s->own_addr;
6827 } else {
6828 role = P2P_INVITE_ROLE_CLIENT;
6829 peer_addr = ssid->bssid;
6830 }
6831 wpa_s->pending_invite_ssid_id = ssid->id;
6832
370017d9 6833 size = P2P_MAX_PREF_CHANNELS;
51e9f228 6834 res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq,
370017d9
AK		 6835 role == P2P_INVITE_ROLE_GO,
6836 pref_freq_list, &size);
5de4b721
JM		 6837 if (res)
6838 return res;
79879f4a 6839
9526fd29
JM		 6840 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6841 return -1;
6842
1b3dd69d
AB		 6843 p2p_set_own_pref_freq_list(wpa_s->global->p2p, pref_freq_list, size);
6844
d0f61a4b
JM		 6845 if (wpa_s->parent->conf->p2p_ignore_shared_freq &&
6846 no_pref_freq_given && pref_freq > 0 &&
6847 wpa_s->num_multichan_concurrent > 1 &&
6848 wpas_p2p_num_unused_channels(wpa_s) > 0) {
6849 wpa_printf(MSG_DEBUG, "P2P: Ignore own channel preference %d MHz for invitation due to p2p_ignore_shared_freq=1 configuration",
6850 pref_freq);
6851 pref_freq = 0;
6852 }
6853
b72b2ad3
IP		 6854 /*
6855 * Stop any find/listen operations before invitation and possibly
6856 * connection establishment.
6857 */
6858 wpas_p2p_stop_find_oper(wpa_s);
6859
b22128ef 6860 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
79879f4a 6861 ssid->ssid, ssid->ssid_len, force_freq, go_dev_addr,
8e9f53c3 6862 1, pref_freq, -1);
b22128ef
JM		 6863}
6864
6865
6866/* Invite to join an active group */
6867int wpas_p2p_invite_group(struct wpa_supplicant *wpa_s, const char *ifname,
6868 const u8 *peer_addr, const u8 *go_dev_addr)
6869{
6870 struct wpa_global *global = wpa_s->global;
6871 enum p2p_invite_role role;
0d08efa4 6872 u8 *bssid = NULL;
b22128ef 6873 struct wpa_ssid *ssid;
c427ac92 6874 int persistent;
73b54d63 6875 int freq = 0, force_freq = 0, pref_freq = 0;
5de4b721 6876 int res;
370017d9 6877 unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size;
b22128ef 6878
4d32c0c4
JM		 6879 wpa_s->p2p_persistent_go_freq = 0;
6880 wpa_s->p2p_go_ht40 = 0;
20ea1ca4 6881 wpa_s->p2p_go_vht = 0;
c27f4c90
AK		 6882 wpa_s->p2p_go_vht_center_freq2 = 0;
6883 wpa_s->p2p_go_max_oper_chwidth = 0;
4d32c0c4 6884
b22128ef
JM		 6885 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6886 if (os_strcmp(wpa_s->ifname, ifname) == 0)
6887 break;
6888 }
6889 if (wpa_s == NULL) {
6890 wpa_printf(MSG_DEBUG, "P2P: Interface '%s' not found", ifname);
6891 return -1;
6892 }
6893
6894 ssid = wpa_s->current_ssid;
6895 if (ssid == NULL) {
6896 wpa_printf(MSG_DEBUG, "P2P: No current SSID to use for "
6897 "invitation");
6898 return -1;
6899 }
6900
dbca75f8 6901 wpa_s->global->p2p_invite_group = wpa_s;
c427ac92 6902 persistent = ssid->p2p_persistent_group &&
ba307f85 6903 wpas_p2p_get_persistent(wpa_s->p2pdev, peer_addr,
c427ac92
JM		 6904 ssid->ssid, ssid->ssid_len);
6905
b22128ef
JM		 6906 if (ssid->mode == WPAS_MODE_P2P_GO) {
6907 role = P2P_INVITE_ROLE_ACTIVE_GO;
6908 bssid = wpa_s->own_addr;
6909 if (go_dev_addr == NULL)
d7e70476 6910 go_dev_addr = wpa_s->global->p2p_dev_addr;
73b54d63 6911 freq = ssid->frequency;
b22128ef
JM		 6912 } else {
6913 role = P2P_INVITE_ROLE_CLIENT;
6914 if (wpa_s->wpa_state < WPA_ASSOCIATED) {
6915 wpa_printf(MSG_DEBUG, "P2P: Not associated - cannot "
6916 "invite to current group");
6917 return -1;
6918 }
6919 bssid = wpa_s->bssid;
6920 if (go_dev_addr == NULL &&
6921 !is_zero_ether_addr(wpa_s->go_dev_addr))
6922 go_dev_addr = wpa_s->go_dev_addr;
73b54d63
JM		 6923 freq = wpa_s->current_bss ? wpa_s->current_bss->freq :
6924 (int) wpa_s->assoc_freq;
b22128ef 6925 }
ba307f85 6926 wpa_s->p2pdev->pending_invite_ssid_id = -1;
b22128ef 6927
9526fd29
JM		 6928 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
6929 return -1;
6930
370017d9 6931 size = P2P_MAX_PREF_CHANNELS;
51e9f228 6932 res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq,
370017d9
AK		 6933 role == P2P_INVITE_ROLE_ACTIVE_GO,
6934 pref_freq_list, &size);
5de4b721
JM		 6935 if (res)
6936 return res;
0d08efa4 6937 wpas_p2p_set_own_freq_preference(wpa_s, force_freq);
79879f4a 6938
b22128ef 6939 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
79879f4a 6940 ssid->ssid, ssid->ssid_len, force_freq,
8e9f53c3 6941 go_dev_addr, persistent, pref_freq, -1);
b22128ef
JM		 6942}
6943
6944
6945void wpas_p2p_completed(struct wpa_supplicant *wpa_s)
6946{
6947 struct wpa_ssid *ssid = wpa_s->current_ssid;
b22128ef
JM		 6948 u8 go_dev_addr[ETH_ALEN];
6949 int persistent;
b49d6ccb 6950 int freq;
25ef8529
JM		 6951 u8 ip[3 * 4];
6952 char ip_addr[100];
b22128ef 6953
73ccd083
JM		 6954 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION) {
6955 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 6956 wpa_s->p2pdev, NULL);
73ccd083 6957 }
361cdf34 6958
b22128ef 6959 if (!wpa_s->show_group_started || !ssid)
1b5d4714 6960 return;
b22128ef
JM		 6961
6962 wpa_s->show_group_started = 0;
328f49ac
JM		 6963 if (!wpa_s->p2p_go_group_formation_completed &&
6964 wpa_s->global->p2p_group_formation == wpa_s) {
6965 wpa_dbg(wpa_s, MSG_DEBUG,
6966 "P2P: Marking group formation completed on client on data connection");
6967 wpa_s->p2p_go_group_formation_completed = 1;
6968 wpa_s->global->p2p_group_formation = NULL;
6969 wpa_s->p2p_in_provisioning = 0;
6970 wpa_s->p2p_in_invitation = 0;
6971 }
b22128ef 6972
b22128ef
JM		 6973 os_memset(go_dev_addr, 0, ETH_ALEN);
6974 if (ssid->bssid_set)
6975 os_memcpy(go_dev_addr, ssid->bssid, ETH_ALEN);
6976 persistent = wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid,
6977 ssid->ssid_len);
6978 os_memcpy(wpa_s->go_dev_addr, go_dev_addr, ETH_ALEN);
6979
a0a9f3b0
JM		 6980 if (wpa_s->global->p2p_group_formation == wpa_s)
6981 wpa_s->global->p2p_group_formation = NULL;
6982
b49d6ccb
JJ		 6983 freq = wpa_s->current_bss ? wpa_s->current_bss->freq :
6984 (int) wpa_s->assoc_freq;
25ef8529
JM		 6985
6986 ip_addr[0] = '\0';
6987 if (wpa_sm_get_p2p_ip_addr(wpa_s->wpa, ip) == 0) {
1d399771
JM		 6988 int res;
6989
6990 res = os_snprintf(ip_addr, sizeof(ip_addr),
6991 " ip_addr=%u.%u.%u.%u "
6992 "ip_mask=%u.%u.%u.%u go_ip_addr=%u.%u.%u.%u",
6993 ip[0], ip[1], ip[2], ip[3],
6994 ip[4], ip[5], ip[6], ip[7],
6995 ip[8], ip[9], ip[10], ip[11]);
6996 if (os_snprintf_error(sizeof(ip_addr), res))
6997 ip_addr[0] = '\0';
25ef8529
JM		 6998 }
6999
f8723e1e
JM		 7000 wpas_p2p_group_started(wpa_s, 0, ssid, freq,
7001 ssid->passphrase == NULL && ssid->psk_set ?
7002 ssid->psk : NULL,
7003 ssid->passphrase, go_dev_addr, persistent,
7004 ip_addr);
b22128ef
JM		 7005
7006 if (persistent)
4fe50bbc
NC		 7007 wpas_p2p_store_persistent_group(wpa_s->p2pdev,
7008 ssid, go_dev_addr);
7009
7010 wpas_notify_p2p_group_started(wpa_s, ssid, persistent, 1);
b22128ef
JM		 7011}
7012
7013
7014int wpas_p2p_presence_req(struct wpa_supplicant *wpa_s, u32 duration1,
7015 u32 interval1, u32 duration2, u32 interval2)
7016{
c64e3a08
JM		 7017 int ret;
7018
9526fd29
JM		 7019 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
7020 return -1;
3ac17eba 7021
b22128ef
JM		 7022 if (wpa_s->wpa_state < WPA_ASSOCIATED ||
7023 wpa_s->current_ssid == NULL ||
7024 wpa_s->current_ssid->mode != WPAS_MODE_INFRA)
7025 return -1;
7026
c64e3a08
JM		 7027 ret = p2p_presence_req(wpa_s->global->p2p, wpa_s->bssid,
7028 wpa_s->own_addr, wpa_s->assoc_freq,
7029 duration1, interval1, duration2, interval2);
7030 if (ret == 0)
7031 wpa_s->waiting_presence_resp = 1;
7032
7033 return ret;
b22128ef
JM		 7034}
7035
7036
7037int wpas_p2p_ext_listen(struct wpa_supplicant *wpa_s, unsigned int period,
7038 unsigned int interval)
7039{
9526fd29
JM		 7040 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
7041 return -1;
7042
b22128ef
JM		 7043 return p2p_ext_listen(wpa_s->global->p2p, period, interval);
7044}
7045
7046
c8106615
JM		 7047static int wpas_p2p_is_client(struct wpa_supplicant *wpa_s)
7048{
5fbddfdc
JM		 7049 if (wpa_s->current_ssid == NULL) {
7050 /*
c7deed74 7051 * current_ssid can be cleared when P2P client interface gets
5fbddfdc
JM		 7052 * disconnected, so assume this interface was used as P2P
7053 * client.
7054 */
7055 return 1;
7056 }
7057 return wpa_s->current_ssid->p2p_group &&
c8106615
JM		 7058 wpa_s->current_ssid->mode == WPAS_MODE_INFRA;
7059}
7060
7061
3071e181
JM		 7062static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx)
7063{
7064 struct wpa_supplicant *wpa_s = eloop_ctx;
7065
c8106615 7066 if (wpa_s->conf->p2p_group_idle == 0 && !wpas_p2p_is_client(wpa_s)) {
3071e181
JM		 7067 wpa_printf(MSG_DEBUG, "P2P: Ignore group idle timeout - "
7068 "disabled");
7069 return;
7070 }
7071
7072 wpa_printf(MSG_DEBUG, "P2P: Group idle timeout reached - terminate "
7073 "group");
8dba4aef 7074 wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_IDLE_TIMEOUT);
3071e181
JM		 7075}
7076
7077
7078static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s)
7079{
5f482d55 7080 int timeout;
c8106615 7081
dddc7045
JM		 7082 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0)
7083 wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout");
7084
c8106615 7085 if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group)
3071e181
JM		 7086 return;
7087
c8106615
JM		 7088 timeout = wpa_s->conf->p2p_group_idle;
7089 if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
7090 (timeout == 0 || timeout > P2P_MAX_CLIENT_IDLE))
7091 timeout = P2P_MAX_CLIENT_IDLE;
7092
7093 if (timeout == 0)
3071e181
JM		 7094 return;
7095
5f482d55
JM		 7096 if (timeout < 0) {
7097 if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA)
7098 timeout = 0; /* special client mode no-timeout */
7099 else
7100 return;
7101 }
7102
8c472816
JM		 7103 if (wpa_s->p2p_in_provisioning) {
7104 /*
7105 * Use the normal group formation timeout during the
7106 * provisioning phase to avoid terminating this process too
7107 * early due to group idle timeout.
7108 */
7109 wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout "
7110 "during provisioning");
7111 return;
7112 }
7113
361cdf34
JM		 7114 if (wpa_s->show_group_started) {
7115 /*
7116 * Use the normal group formation timeout between the end of
7117 * the provisioning phase and completion of 4-way handshake to
7118 * avoid terminating this process too early due to group idle
7119 * timeout.
7120 */
7121 wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout "
7122 "while waiting for initial 4-way handshake to "
7123 "complete");
7124 return;
7125 }
7126
3071e181 7127 wpa_printf(MSG_DEBUG, "P2P: Set P2P group idle timeout to %u seconds",
c8106615
JM		 7128 timeout);
7129 eloop_register_timeout(timeout, 0, wpas_p2p_group_idle_timeout,
7130 wpa_s, NULL);
3071e181
JM		 7131}
7132
7133
0aadd568
JM		 7134/* Returns 1 if the interface was removed */
7135int wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
7136 u16 reason_code, const u8 *ie, size_t ie_len,
7137 int locally_generated)
b22128ef 7138{
9526fd29 7139 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
0aadd568 7140 return 0;
b22128ef 7141
3fc14102
JM		 7142 if (!locally_generated)
7143 p2p_deauth_notif(wpa_s->global->p2p, bssid, reason_code, ie,
7144 ie_len);
7145
7146 if (reason_code == WLAN_REASON_DEAUTH_LEAVING && !locally_generated &&
7147 wpa_s->current_ssid &&
7148 wpa_s->current_ssid->p2p_group &&
7149 wpa_s->current_ssid->mode == WPAS_MODE_INFRA) {
7150 wpa_printf(MSG_DEBUG, "P2P: GO indicated that the P2P Group "
7151 "session is ending");
0aadd568
JM		 7152 if (wpas_p2p_group_delete(wpa_s,
7153 P2P_GROUP_REMOVAL_GO_ENDING_SESSION)
7154 > 0)
7155 return 1;
3fc14102 7156 }
0aadd568
JM		 7157
7158 return 0;
b22128ef
JM		 7159}
7160
7161
7162void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
3fc14102
JM		 7163 u16 reason_code, const u8 *ie, size_t ie_len,
7164 int locally_generated)
b22128ef 7165{
9526fd29 7166 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
b22128ef
JM		 7167 return;
7168
3fc14102
JM		 7169 if (!locally_generated)
7170 p2p_disassoc_notif(wpa_s->global->p2p, bssid, reason_code, ie,
7171 ie_len);
b22128ef
JM		 7172}
7173
7174
7175void wpas_p2p_update_config(struct wpa_supplicant *wpa_s)
7176{
7177 struct p2p_data *p2p = wpa_s->global->p2p;
7178
7179 if (p2p == NULL)
7180 return;
7181
4c010834
KL		 7182 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
7183 return;
7184
b22128ef
JM		 7185 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_NAME)
7186 p2p_set_dev_name(p2p, wpa_s->conf->device_name);
7187
2f646b6e
JB		 7188 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE)
7189 p2p_set_pri_dev_type(p2p, wpa_s->conf->device_type);
b22128ef 7190
b6e01800
JM		 7191 if (wpa_s->wps &&
7192 (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS))
7193 p2p_set_config_methods(p2p, wpa_s->wps->config_methods);
7194
7195 if (wpa_s->wps && (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID))
7196 p2p_set_uuid(p2p, wpa_s->wps->uuid);
7197
7198 if (wpa_s->conf->changed_parameters & CFG_CHANGED_WPS_STRING) {
7199 p2p_set_manufacturer(p2p, wpa_s->conf->manufacturer);
7200 p2p_set_model_name(p2p, wpa_s->conf->model_name);
7201 p2p_set_model_number(p2p, wpa_s->conf->model_number);
7202 p2p_set_serial_number(p2p, wpa_s->conf->serial_number);
7203 }
7204
2f646b6e
JB		 7205 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE)
7206 p2p_set_sec_dev_types(p2p,
7207 (void *) wpa_s->conf->sec_device_type,
7208 wpa_s->conf->num_sec_device_types);
b22128ef 7209
f95cac27
JMB		 7210 if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) {
7211 int i;
7212 p2p_remove_wps_vendor_extensions(p2p);
7213 for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) {
7214 if (wpa_s->conf->wps_vendor_ext[i] == NULL)
7215 continue;
7216 p2p_add_wps_vendor_extension(
7217 p2p, wpa_s->conf->wps_vendor_ext[i]);
7218 }
7219 }
7220
b22128ef
JM		 7221 if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) &&
7222 wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
7223 char country[3];
7224 country[0] = wpa_s->conf->country[0];
7225 country[1] = wpa_s->conf->country[1];
7226 country[2] = 0x04;
7227 p2p_set_country(p2p, country);
7228 }
7229
7230 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_SSID_POSTFIX) {
7231 p2p_set_ssid_postfix(p2p, (u8 *) wpa_s->conf->p2p_ssid_postfix,
7232 wpa_s->conf->p2p_ssid_postfix ?
7233 os_strlen(wpa_s->conf->p2p_ssid_postfix) :
7234 0);
7235 }
0f66abd2
SS		 7236
7237 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_INTRA_BSS)
7238 p2p_set_intra_bss_dist(p2p, wpa_s->conf->p2p_intra_bss);
2463ba70
JS		 7239
7240 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_LISTEN_CHANNEL) {
7241 u8 reg_class, channel;
7242 int ret;
7243 unsigned int r;
e3bd6e9d
IP		 7244 u8 channel_forced;
7245
2463ba70
JS		 7246 if (wpa_s->conf->p2p_listen_reg_class &&
7247 wpa_s->conf->p2p_listen_channel) {
7248 reg_class = wpa_s->conf->p2p_listen_reg_class;
7249 channel = wpa_s->conf->p2p_listen_channel;
e3bd6e9d 7250 channel_forced = 1;
2463ba70
JS		 7251 } else {
7252 reg_class = 81;
7253 /*
7254 * Pick one of the social channels randomly as the
7255 * listen channel.
7256 */
df2508d7
JM		 7257 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
7258 channel = 1;
7259 else
7260 channel = 1 + (r % 3) * 5;
e3bd6e9d 7261 channel_forced = 0;
2463ba70 7262 }
e3bd6e9d
IP		 7263 ret = p2p_set_listen_channel(p2p, reg_class, channel,
7264 channel_forced);
2463ba70
JS		 7265 if (ret)
7266 wpa_printf(MSG_ERROR, "P2P: Own listen channel update "
7267 "failed: %d", ret);
7268 }
7269 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_OPER_CHANNEL) {
7270 u8 op_reg_class, op_channel, cfg_op_channel;
7271 int ret = 0;
7272 unsigned int r;
7273 if (wpa_s->conf->p2p_oper_reg_class &&
7274 wpa_s->conf->p2p_oper_channel) {
7275 op_reg_class = wpa_s->conf->p2p_oper_reg_class;
7276 op_channel = wpa_s->conf->p2p_oper_channel;
7277 cfg_op_channel = 1;
7278 } else {
7279 op_reg_class = 81;
7280 /*
7281 * Use random operation channel from (1, 6, 11)
7282 *if no other preference is indicated.
7283 */
df2508d7
JM		 7284 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
7285 op_channel = 1;
7286 else
7287 op_channel = 1 + (r % 3) * 5;
2463ba70
JS		 7288 cfg_op_channel = 0;
7289 }
7290 ret = p2p_set_oper_channel(p2p, op_reg_class, op_channel,
7291 cfg_op_channel);
7292 if (ret)
7293 wpa_printf(MSG_ERROR, "P2P: Own oper channel update "
7294 "failed: %d", ret);
7295 }
21d996f7
JM		 7296
7297 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_PREF_CHAN) {
7298 if (p2p_set_pref_chan(p2p, wpa_s->conf->num_p2p_pref_chan,
7299 wpa_s->conf->p2p_pref_chan) < 0) {
7300 wpa_printf(MSG_ERROR, "P2P: Preferred channel list "
7301 "update failed");
7302 }
556b30da
JM		 7303
7304 if (p2p_set_no_go_freq(p2p, &wpa_s->conf->p2p_no_go_freq) < 0) {
7305 wpa_printf(MSG_ERROR, "P2P: No GO channel list "
7306 "update failed");
7307 }
21d996f7 7308 }
1b928f96
JM		 7309
7310 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_PASSPHRASE_LEN)
7311 p2p_set_passphrase_len(p2p, wpa_s->conf->p2p_passphrase_len);
b22128ef 7312}
aefb53bd
JM		 7313
7314
7315int wpas_p2p_set_noa(struct wpa_supplicant *wpa_s, u8 count, int start,
7316 int duration)
7317{
7318 if (!wpa_s->ap_iface)
7319 return -1;
7320 return hostapd_p2p_set_noa(wpa_s->ap_iface->bss[0], count, start,
7321 duration);
7322}
72044390
JM		 7323
7324
7325int wpas_p2p_set_cross_connect(struct wpa_supplicant *wpa_s, int enabled)
7326{
9526fd29 7327 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
72044390 7328 return -1;
72044390
JM		 7329
7330 wpa_s->global->cross_connection = enabled;
7331 p2p_set_cross_connect(wpa_s->global->p2p, enabled);
7332
7333 if (!enabled) {
7334 struct wpa_supplicant *iface;
7335
7336 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
7337 {
7338 if (iface->cross_connect_enabled == 0)
7339 continue;
7340
7341 iface->cross_connect_enabled = 0;
7342 iface->cross_connect_in_use = 0;
ba307f85 7343 wpa_msg_global(iface->p2pdev, MSG_INFO,
92c4465b
JM		 7344 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
7345 iface->ifname,
7346 iface->cross_connect_uplink);
72044390
JM		 7347 }
7348 }
7349
7350 return 0;
7351}
7352
7353
7354static void wpas_p2p_enable_cross_connect(struct wpa_supplicant *uplink)
7355{
7356 struct wpa_supplicant *iface;
7357
7358 if (!uplink->global->cross_connection)
7359 return;
7360
7361 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
7362 if (!iface->cross_connect_enabled)
7363 continue;
7364 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
7365 0)
7366 continue;
7367 if (iface->ap_iface == NULL)
7368 continue;
7369 if (iface->cross_connect_in_use)
7370 continue;
7371
7372 iface->cross_connect_in_use = 1;
ba307f85 7373 wpa_msg_global(iface->p2pdev, MSG_INFO,
92c4465b
JM		 7374 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
7375 iface->ifname, iface->cross_connect_uplink);
72044390
JM		 7376 }
7377}
7378
7379
7380static void wpas_p2p_disable_cross_connect(struct wpa_supplicant *uplink)
7381{
7382 struct wpa_supplicant *iface;
7383
7384 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
7385 if (!iface->cross_connect_enabled)
7386 continue;
7387 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
7388 0)
7389 continue;
7390 if (!iface->cross_connect_in_use)
7391 continue;
7392
ba307f85 7393 wpa_msg_global(iface->p2pdev, MSG_INFO,
92c4465b
JM		 7394 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
7395 iface->ifname, iface->cross_connect_uplink);
72044390
JM		 7396 iface->cross_connect_in_use = 0;
7397 }
7398}
7399
7400
7401void wpas_p2p_notif_connected(struct wpa_supplicant *wpa_s)
7402{
7403 if (wpa_s->ap_iface || wpa_s->current_ssid == NULL ||
7404 wpa_s->current_ssid->mode != WPAS_MODE_INFRA ||
7405 wpa_s->cross_connect_disallowed)
7406 wpas_p2p_disable_cross_connect(wpa_s);
7407 else
7408 wpas_p2p_enable_cross_connect(wpa_s);
dddc7045
JM		 7409 if (!wpa_s->ap_iface &&
7410 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0)
7411 wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout");
72044390
JM		 7412}
7413
7414
7415void wpas_p2p_notif_disconnected(struct wpa_supplicant *wpa_s)
7416{
7417 wpas_p2p_disable_cross_connect(wpa_s);
4c2c6751
JM		 7418 if (!wpa_s->ap_iface &&
7419 !eloop_is_timeout_registered(wpas_p2p_group_idle_timeout,
7420 wpa_s, NULL))
3071e181 7421 wpas_p2p_set_group_idle_timeout(wpa_s);
72044390
JM		 7422}
7423
7424
7425static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s)
7426{
7427 struct wpa_supplicant *iface;
7428
7429 if (!wpa_s->global->cross_connection)
7430 return;
7431
7432 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
7433 if (iface == wpa_s)
7434 continue;
7435 if (iface->drv_flags &
7436 WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)
7437 continue;
42a69725
JM		 7438 if ((iface->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE) &&
7439 iface != wpa_s->parent)
72044390
JM		 7440 continue;
7441
7442 wpa_s->cross_connect_enabled = 1;
7443 os_strlcpy(wpa_s->cross_connect_uplink, iface->ifname,
7444 sizeof(wpa_s->cross_connect_uplink));
7445 wpa_printf(MSG_DEBUG, "P2P: Enable cross connection from "
7446 "%s to %s whenever uplink is available",
7447 wpa_s->ifname, wpa_s->cross_connect_uplink);
7448
7449 if (iface->ap_iface || iface->current_ssid == NULL ||
7450 iface->current_ssid->mode != WPAS_MODE_INFRA ||
7451 iface->cross_connect_disallowed ||
7452 iface->wpa_state != WPA_COMPLETED)
7453 break;
7454
7455 wpa_s->cross_connect_in_use = 1;
ba307f85 7456 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
92c4465b
JM		 7457 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
7458 wpa_s->ifname, wpa_s->cross_connect_uplink);
72044390
JM		 7459 break;
7460 }
7461}
b73bf0a7
JM		 7462
7463
7464int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant *wpa_s)
7465{
7466 if (wpa_s->p2p_group_interface != P2P_GROUP_INTERFACE_CLIENT &&
7467 !wpa_s->p2p_in_provisioning)
7468 return 0; /* not P2P client operation */
7469
7470 wpa_printf(MSG_DEBUG, "P2P: Terminate connection due to WPS PBC "
7471 "session overlap");
ba307f85
LD		 7472 if (wpa_s != wpa_s->p2pdev)
7473 wpa_msg_ctrl(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_OVERLAP);
d95c5994 7474 wpas_p2p_group_formation_failed(wpa_s, 0);
b73bf0a7
JM		 7475 return 1;
7476}
b5c9da8d
JM		 7477
7478
ace0fbdb
AS		 7479void wpas_p2p_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx)
7480{
7481 struct wpa_supplicant *wpa_s = eloop_ctx;
7482 wpas_p2p_notif_pbc_overlap(wpa_s);
7483}
7484
7485
3a8f008a
IP		 7486void wpas_p2p_update_channel_list(struct wpa_supplicant *wpa_s,
7487 enum wpas_p2p_channel_update_trig trig)
b5c9da8d 7488{
51e9f228 7489 struct p2p_channels chan, cli_chan;
c2675c87
IP		 7490 struct wpa_used_freq_data *freqs = NULL;
7491 unsigned int num = wpa_s->num_multichan_concurrent;
b5c9da8d
JM		 7492
7493 if (wpa_s->global == NULL || wpa_s->global->p2p == NULL)
7494 return;
7495
c2675c87
IP		 7496 freqs = os_calloc(num, sizeof(struct wpa_used_freq_data));
7497 if (!freqs)
7498 return;
7499
7500 num = get_shared_radio_freqs_data(wpa_s, freqs, num);
7501
b5c9da8d 7502 os_memset(&chan, 0, sizeof(chan));
51e9f228
JM		 7503 os_memset(&cli_chan, 0, sizeof(cli_chan));
7504 if (wpas_p2p_setup_channels(wpa_s, &chan, &cli_chan)) {
b5c9da8d
JM		 7505 wpa_printf(MSG_ERROR, "P2P: Failed to update supported "
7506 "channel list");
7507 return;
7508 }
7509
51e9f228 7510 p2p_update_channel_list(wpa_s->global->p2p, &chan, &cli_chan);
7b42862a 7511
c2675c87 7512 wpas_p2p_optimize_listen_channel(wpa_s, freqs, num);
7b42862a 7513
c2675c87
IP		 7514 /*
7515 * The used frequencies map changed, so it is possible that a GO is
7516 * using a channel that is no longer valid for P2P use. It is also
7517 * possible that due to policy consideration, it would be preferable to
7518 * move it to a frequency already used by other station interfaces.
7519 */
3a8f008a 7520 wpas_p2p_consider_moving_gos(wpa_s, freqs, num, trig);
c2675c87
IP		 7521
7522 os_free(freqs);
b5c9da8d 7523}
59eba7a2
JM		 7524
7525
50178335
JM		 7526static void wpas_p2p_scan_res_ignore(struct wpa_supplicant *wpa_s,
7527 struct wpa_scan_results *scan_res)
7528{
7529 wpa_printf(MSG_DEBUG, "P2P: Ignore scan results");
7530}
7531
7532
59eba7a2
JM		 7533int wpas_p2p_cancel(struct wpa_supplicant *wpa_s)
7534{
7535 struct wpa_global *global = wpa_s->global;
7536 int found = 0;
231bbd03 7537 const u8 *peer;
59eba7a2 7538
9526fd29
JM		 7539 if (global->p2p == NULL)
7540 return -1;
7541
59eba7a2
JM		 7542 wpa_printf(MSG_DEBUG, "P2P: Request to cancel group formation");
7543
7544 if (wpa_s->pending_interface_name[0] &&
7545 !is_zero_ether_addr(wpa_s->pending_interface_addr))
7546 found = 1;
7547
231bbd03
SS		 7548 peer = p2p_get_go_neg_peer(global->p2p);
7549 if (peer) {
7550 wpa_printf(MSG_DEBUG, "P2P: Unauthorize pending GO Neg peer "
7551 MACSTR, MAC2STR(peer));
7552 p2p_unauthorize(global->p2p, peer);
75c208b9 7553 found = 1;
231bbd03
SS		 7554 }
7555
50178335
JM		 7556 if (wpa_s->scan_res_handler == wpas_p2p_scan_res_join) {
7557 wpa_printf(MSG_DEBUG, "P2P: Stop pending scan for join");
7558 wpa_s->scan_res_handler = wpas_p2p_scan_res_ignore;
7559 found = 1;
7560 }
7561
7562 if (wpa_s->pending_pd_before_join) {
7563 wpa_printf(MSG_DEBUG, "P2P: Stop pending PD before join");
7564 wpa_s->pending_pd_before_join = 0;
7565 found = 1;
7566 }
7567
59eba7a2
JM		 7568 wpas_p2p_stop_find(wpa_s);
7569
7570 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7571 if (wpa_s == global->p2p_group_formation &&
a0a9f3b0
JM		 7572 (wpa_s->p2p_in_provisioning ||
7573 wpa_s->parent->pending_interface_type ==
7574 WPA_IF_P2P_CLIENT)) {
59eba7a2
JM		 7575 wpa_printf(MSG_DEBUG, "P2P: Interface %s in group "
7576 "formation found - cancelling",
7577 wpa_s->ifname);
7578 found = 1;
45fee6f0 7579 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 7580 wpa_s->p2pdev, NULL);
30b80389 7581 if (wpa_s->p2p_in_provisioning) {
d95c5994 7582 wpas_group_formation_completed(wpa_s, 0, 0);
30b80389
JM		 7583 break;
7584 }
8dba4aef
JM		 7585 wpas_p2p_group_delete(wpa_s,
7586 P2P_GROUP_REMOVAL_REQUESTED);
59eba7a2 7587 break;
f05cee97
JM		 7588 } else if (wpa_s->p2p_in_invitation) {
7589 wpa_printf(MSG_DEBUG, "P2P: Interface %s in invitation found - cancelling",
7590 wpa_s->ifname);
7591 found = 1;
d95c5994 7592 wpas_p2p_group_formation_failed(wpa_s, 0);
63502c64 7593 break;
59eba7a2
JM		 7594 }
7595 }
7596
7597 if (!found) {
7598 wpa_printf(MSG_DEBUG, "P2P: No ongoing group formation found");
7599 return -1;
7600 }
7601
7602 return 0;
7603}
c973f386
JM		 7604
7605
7606void wpas_p2p_interface_unavailable(struct wpa_supplicant *wpa_s)
7607{
7608 if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group)
7609 return;
7610
7611 wpa_printf(MSG_DEBUG, "P2P: Remove group due to driver resource not "
7612 "being available anymore");
8dba4aef 7613 wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_UNAVAILABLE);
c973f386 7614}
7cfc4ac3
AGS		 7615
7616
7617void wpas_p2p_update_best_channels(struct wpa_supplicant *wpa_s,
7618 int freq_24, int freq_5, int freq_overall)
7619{
7620 struct p2p_data *p2p = wpa_s->global->p2p;
152cff6b 7621 if (p2p == NULL)
7cfc4ac3
AGS		 7622 return;
7623 p2p_set_best_channels(p2p, freq_24, freq_5, freq_overall);
7624}
9d562b79
SS		 7625
7626
7627int wpas_p2p_unauthorize(struct wpa_supplicant *wpa_s, const char *addr)
7628{
7629 u8 peer[ETH_ALEN];
7630 struct p2p_data *p2p = wpa_s->global->p2p;
7631
152cff6b 7632 if (p2p == NULL)
9d562b79
SS		 7633 return -1;
7634
7635 if (hwaddr_aton(addr, peer))
7636 return -1;
7637
7638 return p2p_unauthorize(p2p, peer);
7639}
3103f345
JB		 7640
7641
7642/**
7643 * wpas_p2p_disconnect - Disconnect from a P2P Group
7644 * @wpa_s: Pointer to wpa_supplicant data
7645 * Returns: 0 on success, -1 on failure
7646 *
7647 * This can be used to disconnect from a group in which the local end is a P2P
7648 * Client or to end a P2P Group in case the local end is the Group Owner. If a
7649 * virtual network interface was created for this group, that interface will be
7650 * removed. Otherwise, only the configured P2P group network will be removed
7651 * from the interface.
7652 */
7653int wpas_p2p_disconnect(struct wpa_supplicant *wpa_s)
7654{
7655
7656 if (wpa_s == NULL)
7657 return -1;
7658
0aadd568
JM		 7659 return wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_REQUESTED) < 0 ?
7660 -1 : 0;
3103f345 7661}
303f60d3
JM		 7662
7663
7664int wpas_p2p_in_progress(struct wpa_supplicant *wpa_s)
7665{
ec01d5f6
JM		 7666 int ret;
7667
303f60d3
JM		 7668 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
7669 return 0;
7670
ec01d5f6
JM		 7671 ret = p2p_in_progress(wpa_s->global->p2p);
7672 if (ret == 0) {
7673 /*
7674 * Check whether there is an ongoing WPS provisioning step (or
7675 * other parts of group formation) on another interface since
7676 * p2p_in_progress() does not report this to avoid issues for
7677 * scans during such provisioning step.
7678 */
7679 if (wpa_s->global->p2p_group_formation &&
7680 wpa_s->global->p2p_group_formation != wpa_s) {
7681 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Another interface (%s) "
7682 "in group formation",
7683 wpa_s->global->p2p_group_formation->ifname);
7684 ret = 1;
7685 }
7686 }
7687
c1c0b35f 7688 if (!ret && wpa_s->global->p2p_go_wait_client.sec) {
151ab808
JB		 7689 struct os_reltime now;
7690 os_get_reltime(&now);
7691 if (os_reltime_expired(&now, &wpa_s->global->p2p_go_wait_client,
7692 P2P_MAX_INITIAL_CONN_WAIT_GO)) {
c1c0b35f
JM		 7693 /* Wait for the first client has expired */
7694 wpa_s->global->p2p_go_wait_client.sec = 0;
7695 } else {
7696 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Waiting for initial client connection during group formation");
7697 ret = 1;
7698 }
7699 }
7700
ec01d5f6 7701 return ret;
303f60d3 7702}
502618f7
JM		 7703
7704
7705void wpas_p2p_network_removed(struct wpa_supplicant *wpa_s,
7706 struct wpa_ssid *ssid)
502618f7
JM		 7707{
7708 if (wpa_s->p2p_in_provisioning && ssid->p2p_group &&
7709 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 7710 wpa_s->p2pdev, NULL) > 0) {
eb6f8c2b
AC		 7711 /**
7712 * Remove the network by scheduling the group formation
7713 * timeout to happen immediately. The teardown code
7714 * needs to be scheduled to run asynch later so that we
7715 * don't delete data from under ourselves unexpectedly.
7716 * Calling wpas_p2p_group_formation_timeout directly
7717 * causes a series of crashes in WPS failure scenarios.
7718 */
502618f7
JM		 7719 wpa_printf(MSG_DEBUG, "P2P: Canceled group formation due to "
7720 "P2P group network getting removed");
eb6f8c2b 7721 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout,
ba307f85 7722 wpa_s->p2pdev, NULL);
502618f7
JM		 7723 }
7724}
87f841a1
JM		 7725
7726
7727struct wpa_ssid * wpas_p2p_get_persistent(struct wpa_supplicant *wpa_s,
c427ac92
JM		 7728 const u8 *addr, const u8 *ssid,
7729 size_t ssid_len)
87f841a1
JM		 7730{
7731 struct wpa_ssid *s;
fbdcfd57 7732 size_t i;
87f841a1
JM		 7733
7734 for (s = wpa_s->conf->ssid; s; s = s->next) {
fbdcfd57
JM		 7735 if (s->disabled != 2)
7736 continue;
c427ac92
JM		 7737 if (ssid &&
7738 (ssid_len != s->ssid_len ||
7739 os_memcmp(ssid, s->ssid, ssid_len) != 0))
7740 continue;
01a57fe4
JM		 7741 if (addr == NULL) {
7742 if (s->mode == WPAS_MODE_P2P_GO)
7743 return s;
7744 continue;
7745 }
fbdcfd57
JM		 7746 if (os_memcmp(s->bssid, addr, ETH_ALEN) == 0)
7747 return s; /* peer is GO in the persistent group */
7748 if (s->mode != WPAS_MODE_P2P_GO || s->p2p_client_list == NULL)
7749 continue;
7750 for (i = 0; i < s->num_p2p_clients; i++) {
79cd993a 7751 if (os_memcmp(s->p2p_client_list + i * 2 * ETH_ALEN,
fbdcfd57
JM		 7752 addr, ETH_ALEN) == 0)
7753 return s; /* peer is P2P client in persistent
7754 * group */
7755 }
87f841a1
JM		 7756 }
7757
7758 return NULL;
7759}
fbdcfd57
JM		 7760
7761
7762void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
7763 const u8 *addr)
7764{
eab2b50d 7765 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
ba307f85 7766 wpa_s->p2pdev, NULL) > 0) {
eab2b50d
JM		 7767 /*
7768 * This can happen if WPS provisioning step is not terminated
7769 * cleanly (e.g., P2P Client does not send WSC_Done). Since the
7770 * peer was able to connect, there is no need to time out group
41f85323
JM		 7771 * formation after this, though. In addition, this is used with
7772 * the initial connection wait on the GO as a separate formation
7773 * timeout and as such, expected to be hit after the initial WPS
7774 * provisioning step.
eab2b50d 7775 */
41f85323 7776 wpa_printf(MSG_DEBUG, "P2P: Canceled P2P group formation timeout on data connection");
61fc9048
SD		 7777
7778 if (!wpa_s->p2p_go_group_formation_completed &&
7779 !wpa_s->group_formation_reported) {
7780 /*
7781 * GO has not yet notified group formation success since
7782 * the WPS step was not completed cleanly. Do that
7783 * notification now since the P2P Client was able to
7784 * connect and as such, must have received the
7785 * credential from the WPS step.
7786 */
7787 if (wpa_s->global->p2p)
7788 p2p_wps_success_cb(wpa_s->global->p2p, addr);
d95c5994 7789 wpas_group_formation_completed(wpa_s, 1, 0);
61fc9048 7790 }
41f85323
JM		 7791 }
7792 if (!wpa_s->p2p_go_group_formation_completed) {
7793 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Marking group formation completed on GO on first data connection");
7794 wpa_s->p2p_go_group_formation_completed = 1;
7795 wpa_s->global->p2p_group_formation = NULL;
7796 wpa_s->p2p_in_provisioning = 0;
f05cee97 7797 wpa_s->p2p_in_invitation = 0;
eab2b50d 7798 }
c1c0b35f 7799 wpa_s->global->p2p_go_wait_client.sec = 0;
fbdcfd57
JM		 7800 if (addr == NULL)
7801 return;
7802 wpas_p2p_add_persistent_group_client(wpa_s, addr);
7803}
aa9bb764
JM		 7804
7805
b0e669be
JM		 7806static int wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s,
7807 int group_added)
aa9bb764
JM		 7808{
7809 struct wpa_supplicant *group = wpa_s;
b0e669be
JM		 7810 int ret = 0;
7811
aa9bb764
JM		 7812 if (wpa_s->global->p2p_group_formation)
7813 group = wpa_s->global->p2p_group_formation;
de7b02fd 7814 wpa_s = wpa_s->global->p2p_init_wpa_s;
b80eb89d 7815 offchannel_send_action_done(wpa_s);
aa9bb764 7816 if (group_added)
b0e669be 7817 ret = wpas_p2p_group_delete(group, P2P_GROUP_REMOVAL_SILENT);
aa9bb764
JM		 7818 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Fall back to GO Negotiation");
7819 wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr, wpa_s->p2p_pin,
7820 wpa_s->p2p_wps_method, wpa_s->p2p_persistent_group, 0,
7821 0, 0, wpa_s->p2p_go_intent, wpa_s->p2p_connect_freq,
c27f4c90 7822 wpa_s->p2p_go_vht_center_freq2,
3bc462cb 7823 wpa_s->p2p_persistent_id,
e2308e4b 7824 wpa_s->p2p_pd_before_go_neg,
20ea1ca4 7825 wpa_s->p2p_go_ht40,
c27f4c90 7826 wpa_s->p2p_go_vht,
70e0cb33 7827 wpa_s->p2p_go_max_oper_chwidth, NULL, 0);
b0e669be 7828 return ret;
aa9bb764
JM		 7829}
7830
7831
7832int wpas_p2p_scan_no_go_seen(struct wpa_supplicant *wpa_s)
7833{
b0e669be
JM		 7834 int res;
7835
aa9bb764
JM		 7836 if (!wpa_s->p2p_fallback_to_go_neg ||
7837 wpa_s->p2p_in_provisioning <= 5)
7838 return 0;
7839
b80eb89d
JM		 7840 if (wpas_p2p_peer_go(wpa_s, wpa_s->pending_join_dev_addr) > 0)
7841 return 0; /* peer operating as a GO */
7842
aa9bb764
JM		 7843 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: GO not found for p2p_connect-auto - "
7844 "fallback to GO Negotiation");
ba307f85 7845 wpa_msg_global(wpa_s->p2pdev, MSG_INFO, P2P_EVENT_FALLBACK_TO_GO_NEG
6b005121 7846 "reason=GO-not-found");
b0e669be 7847 res = wpas_p2p_fallback_to_go_neg(wpa_s, 1);
aa9bb764 7848
b0e669be 7849 return res == 1 ? 2 : 1;
aa9bb764 7850}
05a77b3b
JM		 7851
7852
7853unsigned int wpas_p2p_search_delay(struct wpa_supplicant *wpa_s)
7854{
05a77b3b
JM		 7855 struct wpa_supplicant *ifs;
7856
7857 if (wpa_s->wpa_state > WPA_SCANNING) {
7858 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search delay due to "
7859 "concurrent operation",
d3b20469
NS		 7860 wpa_s->conf->p2p_search_delay);
7861 return wpa_s->conf->p2p_search_delay;
05a77b3b
JM		 7862 }
7863
5b81927d
JM		 7864 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
7865 radio_list) {
7866 if (ifs != wpa_s && ifs->wpa_state > WPA_SCANNING) {
05a77b3b
JM		 7867 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search "
7868 "delay due to concurrent operation on "
7869 "interface %s",
d3b20469
NS		 7870 wpa_s->conf->p2p_search_delay,
7871 ifs->ifname);
7872 return wpa_s->conf->p2p_search_delay;
05a77b3b
JM		 7873 }
7874 }
7875
7876 return 0;
7877}
f85f545e
JM		 7878
7879
43c693c2
JM		 7880static int wpas_p2p_remove_psk_entry(struct wpa_supplicant *wpa_s,
7881 struct wpa_ssid *s, const u8 *addr,
7882 int iface_addr)
7883{
7884 struct psk_list_entry *psk, *tmp;
7885 int changed = 0;
7886
7887 dl_list_for_each_safe(psk, tmp, &s->psk_list, struct psk_list_entry,
7888 list) {
7889 if ((iface_addr && !psk->p2p &&
7890 os_memcmp(addr, psk->addr, ETH_ALEN) == 0) ||
7891 (!iface_addr && psk->p2p &&
7892 os_memcmp(addr, psk->addr, ETH_ALEN) == 0)) {
7893 wpa_dbg(wpa_s, MSG_DEBUG,
7894 "P2P: Remove persistent group PSK list entry for "
7895 MACSTR " p2p=%u",
7896 MAC2STR(psk->addr), psk->p2p);
7897 dl_list_del(&psk->list);
7898 os_free(psk);
7899 changed++;
7900 }
7901 }
7902
7903 return changed;
7904}
7905
7906
01a57fe4
JM		 7907void wpas_p2p_new_psk_cb(struct wpa_supplicant *wpa_s, const u8 *mac_addr,
7908 const u8 *p2p_dev_addr,
7909 const u8 *psk, size_t psk_len)
7910{
7911 struct wpa_ssid *ssid = wpa_s->current_ssid;
7912 struct wpa_ssid *persistent;
0bceb8d6 7913 struct psk_list_entry *p, *last;
01a57fe4
JM		 7914
7915 if (psk_len != sizeof(p->psk))
7916 return;
7917
7918 if (p2p_dev_addr) {
7919 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New PSK for addr=" MACSTR
7920 " p2p_dev_addr=" MACSTR,
7921 MAC2STR(mac_addr), MAC2STR(p2p_dev_addr));
7922 if (is_zero_ether_addr(p2p_dev_addr))
7923 p2p_dev_addr = NULL;
7924 } else {
7925 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New PSK for addr=" MACSTR,
7926 MAC2STR(mac_addr));
7927 }
7928
7929 if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
7930 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: new_psk_cb during group formation");
7931 /* To be added to persistent group once created */
7932 if (wpa_s->global->add_psk == NULL) {
7933 wpa_s->global->add_psk = os_zalloc(sizeof(*p));
7934 if (wpa_s->global->add_psk == NULL)
7935 return;
7936 }
7937 p = wpa_s->global->add_psk;
7938 if (p2p_dev_addr) {
7939 p->p2p = 1;
7940 os_memcpy(p->addr, p2p_dev_addr, ETH_ALEN);
7941 } else {
7942 p->p2p = 0;
7943 os_memcpy(p->addr, mac_addr, ETH_ALEN);
7944 }
7945 os_memcpy(p->psk, psk, psk_len);
7946 return;
7947 }
7948
7949 if (ssid->mode != WPAS_MODE_P2P_GO || !ssid->p2p_persistent_group) {
7950 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Ignore new_psk_cb on not-persistent GO");
7951 return;
7952 }
7953
ba307f85 7954 persistent = wpas_p2p_get_persistent(wpa_s->p2pdev, NULL, ssid->ssid,
01a57fe4
JM		 7955 ssid->ssid_len);
7956 if (!persistent) {
7957 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not find persistent group information to store the new PSK");
7958 return;
7959 }
7960
7961 p = os_zalloc(sizeof(*p));
7962 if (p == NULL)
7963 return;
7964 if (p2p_dev_addr) {
7965 p->p2p = 1;
7966 os_memcpy(p->addr, p2p_dev_addr, ETH_ALEN);
7967 } else {
7968 p->p2p = 0;
7969 os_memcpy(p->addr, mac_addr, ETH_ALEN);
7970 }
7971 os_memcpy(p->psk, psk, psk_len);
7972
0bceb8d6
JM		 7973 if (dl_list_len(&persistent->psk_list) > P2P_MAX_STORED_CLIENTS &&
7974 (last = dl_list_last(&persistent->psk_list,
7975 struct psk_list_entry, list))) {
01a57fe4
JM		 7976 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove oldest PSK entry for "
7977 MACSTR " (p2p=%u) to make room for a new one",
7978 MAC2STR(last->addr), last->p2p);
7979 dl_list_del(&last->list);
7980 os_free(last);
7981 }
7982
ba307f85 7983 wpas_p2p_remove_psk_entry(wpa_s->p2pdev, persistent,
43c693c2
JM		 7984 p2p_dev_addr ? p2p_dev_addr : mac_addr,
7985 p2p_dev_addr == NULL);
7986 if (p2p_dev_addr) {
7987 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Add new PSK for p2p_dev_addr="
7988 MACSTR, MAC2STR(p2p_dev_addr));
7989 } else {
7990 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Add new PSK for addr=" MACSTR,
7991 MAC2STR(mac_addr));
7992 }
01a57fe4
JM		 7993 dl_list_add(&persistent->psk_list, &p->list);
7994
ba307f85
LD		 7995 if (wpa_s->p2pdev->conf->update_config &&
7996 wpa_config_write(wpa_s->p2pdev->confname, wpa_s->p2pdev->conf))
01a57fe4 7997 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
01a57fe4 7998}
f2c56602
JM		 7999
8000
8001static void wpas_p2p_remove_psk(struct wpa_supplicant *wpa_s,
8002 struct wpa_ssid *s, const u8 *addr,
8003 int iface_addr)
8004{
43c693c2 8005 int res;
f2c56602 8006
43c693c2 8007 res = wpas_p2p_remove_psk_entry(wpa_s, s, addr, iface_addr);
2a33687e
JM		 8008 if (res > 0 && wpa_s->conf->update_config &&
8009 wpa_config_write(wpa_s->confname, wpa_s->conf))
8010 wpa_dbg(wpa_s, MSG_DEBUG,
8011 "P2P: Failed to update configuration");
f2c56602
JM		 8012}
8013
8014
8015static void wpas_p2p_remove_client_go(struct wpa_supplicant *wpa_s,
8016 const u8 *peer, int iface_addr)
8017{
8018 struct hostapd_data *hapd;
8019 struct hostapd_wpa_psk *psk, *prev, *rem;
8020 struct sta_info *sta;
8021
8022 if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL ||
8023 wpa_s->current_ssid->mode != WPAS_MODE_P2P_GO)
8024 return;
8025
8026 /* Remove per-station PSK entry */
8027 hapd = wpa_s->ap_iface->bss[0];
8028 prev = NULL;
8029 psk = hapd->conf->ssid.wpa_psk;
8030 while (psk) {
8031 if ((iface_addr && os_memcmp(peer, psk->addr, ETH_ALEN) == 0) ||
8032 (!iface_addr &&
8033 os_memcmp(peer, psk->p2p_dev_addr, ETH_ALEN) == 0)) {
8034 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove operating group PSK entry for "
8035 MACSTR " iface_addr=%d",
8036 MAC2STR(peer), iface_addr);
8037 if (prev)
8038 prev->next = psk->next;
8039 else
8040 hapd->conf->ssid.wpa_psk = psk->next;
8041 rem = psk;
8042 psk = psk->next;
8043 os_free(rem);
8044 } else {
8045 prev = psk;
8046 psk = psk->next;
8047 }
8048 }
8049
8050 /* Disconnect from group */
8051 if (iface_addr)
8052 sta = ap_get_sta(hapd, peer);
8053 else
8054 sta = ap_get_sta_p2p(hapd, peer);
8055 if (sta) {
8056 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Disconnect peer " MACSTR
8057 " (iface_addr=%d) from group",
8058 MAC2STR(peer), iface_addr);
8059 hostapd_drv_sta_deauth(hapd, sta->addr,
8060 WLAN_REASON_DEAUTH_LEAVING);
8061 ap_sta_deauthenticate(hapd, sta, WLAN_REASON_DEAUTH_LEAVING);
8062 }
8063}
8064
8065
8066void wpas_p2p_remove_client(struct wpa_supplicant *wpa_s, const u8 *peer,
8067 int iface_addr)
8068{
8069 struct wpa_ssid *s;
8070 struct wpa_supplicant *w;
43677494 8071 struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s;
f2c56602
JM		 8072
8073 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove client " MACSTR, MAC2STR(peer));
8074
8075 /* Remove from any persistent group */
43677494 8076 for (s = p2p_wpa_s->conf->ssid; s; s = s->next) {
f2c56602
JM		 8077 if (s->disabled != 2 || s->mode != WPAS_MODE_P2P_GO)
8078 continue;
8079 if (!iface_addr)
43677494
BR		 8080 wpas_remove_persistent_peer(p2p_wpa_s, s, peer, 0);
8081 wpas_p2p_remove_psk(p2p_wpa_s, s, peer, iface_addr);
f2c56602
JM		 8082 }
8083
8084 /* Remove from any operating group */
8085 for (w = wpa_s->global->ifaces; w; w = w->next)
8086 wpas_p2p_remove_client_go(w, peer, iface_addr);
8087}
5bf9a6c8
JM		 8088
8089
813e7b36
JM		 8090static void wpas_p2p_psk_failure_removal(void *eloop_ctx, void *timeout_ctx)
8091{
8092 struct wpa_supplicant *wpa_s = eloop_ctx;
8093 wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_PSK_FAILURE);
8094}
8095
8096
8567866d
JJ		 8097static void wpas_p2p_group_freq_conflict(void *eloop_ctx, void *timeout_ctx)
8098{
8099 struct wpa_supplicant *wpa_s = eloop_ctx;
8100
8101 wpa_printf(MSG_DEBUG, "P2P: Frequency conflict - terminate group");
8102 wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_FREQ_CONFLICT);
8103}
8104
8105
8106int wpas_p2p_handle_frequency_conflicts(struct wpa_supplicant *wpa_s, int freq,
8107 struct wpa_ssid *ssid)
8108{
8109 struct wpa_supplicant *iface;
8110
8111 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
8112 if (!iface->current_ssid ||
8113 iface->current_ssid->frequency == freq ||
8114 (iface->p2p_group_interface == NOT_P2P_GROUP_INTERFACE &&
8115 !iface->current_ssid->p2p_group))
8116 continue;
8117
8118 /* Remove the connection with least priority */
8119 if (!wpas_is_p2p_prioritized(iface)) {
8120 /* STA connection has priority over existing
8121 * P2P connection, so remove the interface. */
8122 wpa_printf(MSG_DEBUG, "P2P: Removing P2P connection due to single channel concurrent mode frequency conflict");
8123 eloop_register_timeout(0, 0,
8124 wpas_p2p_group_freq_conflict,
8125 iface, NULL);
8126 /* If connection in progress is P2P connection, do not
8127 * proceed for the connection. */
8128 if (wpa_s == iface)
8129 return -1;
8130 else
8131 return 0;
8132 } else {
8133 /* P2P connection has priority, disable the STA network
8134 */
8135 wpa_supplicant_disable_network(wpa_s->global->ifaces,
8136 ssid);
8137 wpa_msg(wpa_s->global->ifaces, MSG_INFO,
8138 WPA_EVENT_FREQ_CONFLICT " id=%d", ssid->id);
8139 os_memset(wpa_s->global->ifaces->pending_bssid, 0,
8140 ETH_ALEN);
8141 /* If P2P connection is in progress, continue
8142 * connecting...*/
8143 if (wpa_s == iface)
8144 return 0;
8145 else
8146 return -1;
8147 }
8148 }
8149
8150 return 0;
8151}
8152
8153
5bf9a6c8
JM		 8154int wpas_p2p_4way_hs_failed(struct wpa_supplicant *wpa_s)
8155{
8156 struct wpa_ssid *ssid = wpa_s->current_ssid;
8157
8158 if (ssid == NULL || !ssid->p2p_group)
8159 return 0;
8160
8161 if (wpa_s->p2p_last_4way_hs_fail &&
8162 wpa_s->p2p_last_4way_hs_fail == ssid) {
8163 u8 go_dev_addr[ETH_ALEN];
8164 struct wpa_ssid *persistent;
8165
8166 if (wpas_p2p_persistent_group(wpa_s, go_dev_addr,
8167 ssid->ssid,
8168 ssid->ssid_len) <= 0) {
8169 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not determine whether 4-way handshake failures were for a persistent group");
8170 goto disconnect;
8171 }
8172
8173 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Two 4-way handshake failures for a P2P group - go_dev_addr="
8174 MACSTR, MAC2STR(go_dev_addr));
ba307f85 8175 persistent = wpas_p2p_get_persistent(wpa_s->p2pdev, go_dev_addr,
5bf9a6c8
JM		 8176 ssid->ssid,
8177 ssid->ssid_len);
8178 if (persistent == NULL || persistent->mode != WPAS_MODE_INFRA) {
8179 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No matching persistent group stored");
8180 goto disconnect;
8181 }
ba307f85 8182 wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
5bf9a6c8
JM		 8183 P2P_EVENT_PERSISTENT_PSK_FAIL "%d",
8184 persistent->id);
8185 disconnect:
8186 wpa_s->p2p_last_4way_hs_fail = NULL;
813e7b36
JM		 8187 /*
8188 * Remove the group from a timeout to avoid issues with caller
8189 * continuing to use the interface if this is on a P2P group
8190 * interface.
8191 */
8192 eloop_register_timeout(0, 0, wpas_p2p_psk_failure_removal,
8193 wpa_s, NULL);
5bf9a6c8
JM		 8194 return 1;
8195 }
8196
8197 wpa_s->p2p_last_4way_hs_fail = ssid;
8198 return 0;
8199}
93588780
JM		 8200
8201
8202#ifdef CONFIG_WPS_NFC
8203
8204static struct wpabuf * wpas_p2p_nfc_handover(int ndef, struct wpabuf *wsc,
8205 struct wpabuf *p2p)
8206{
8207 struct wpabuf *ret;
59b45d1a 8208 size_t wsc_len;
93588780
JM		 8209
8210 if (p2p == NULL) {
8211 wpabuf_free(wsc);
8212 wpa_printf(MSG_DEBUG, "P2P: No p2p buffer for handover");
8213 return NULL;
8214 }
8215
59b45d1a
JM		 8216 wsc_len = wsc ? wpabuf_len(wsc) : 0;
8217 ret = wpabuf_alloc(2 + wsc_len + 2 + wpabuf_len(p2p));
93588780
JM		 8218 if (ret == NULL) {
8219 wpabuf_free(wsc);
8220 wpabuf_free(p2p);
8221 return NULL;
8222 }
8223
59b45d1a
JM		 8224 wpabuf_put_be16(ret, wsc_len);
8225 if (wsc)
8226 wpabuf_put_buf(ret, wsc);
93588780
JM		 8227 wpabuf_put_be16(ret, wpabuf_len(p2p));
8228 wpabuf_put_buf(ret, p2p);
8229
8230 wpabuf_free(wsc);
8231 wpabuf_free(p2p);
8232 wpa_hexdump_buf(MSG_DEBUG,
8233 "P2P: Generated NFC connection handover message", ret);
8234
8235 if (ndef && ret) {
8236 struct wpabuf *tmp;
8237 tmp = ndef_build_p2p(ret);
8238 wpabuf_free(ret);
8239 if (tmp == NULL) {
8240 wpa_printf(MSG_DEBUG, "P2P: Failed to NDEF encapsulate handover request");
8241 return NULL;
8242 }
8243 ret = tmp;
8244 }
8245
8246 return ret;
8247}
8248
8249
abe44e3c
JM		 8250static int wpas_p2p_cli_freq(struct wpa_supplicant *wpa_s,
8251 struct wpa_ssid **ssid, u8 *go_dev_addr)
59b45d1a
JM		 8252{
8253 struct wpa_supplicant *iface;
8254
abe44e3c
JM		 8255 if (go_dev_addr)
8256 os_memset(go_dev_addr, 0, ETH_ALEN);
8257 if (ssid)
8258 *ssid = NULL;
59b45d1a
JM		 8259 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
8260 if (iface->wpa_state < WPA_ASSOCIATING ||
8261 iface->current_ssid == NULL || iface->assoc_freq == 0 ||
8262 !iface->current_ssid->p2p_group ||
8263 iface->current_ssid->mode != WPAS_MODE_INFRA)
8264 continue;
abe44e3c
JM		 8265 if (ssid)
8266 *ssid = iface->current_ssid;
8267 if (go_dev_addr)
8268 os_memcpy(go_dev_addr, iface->go_dev_addr, ETH_ALEN);
59b45d1a
JM		 8269 return iface->assoc_freq;
8270 }
8271 return 0;
8272}
8273
8274
93588780
JM		 8275struct wpabuf * wpas_p2p_nfc_handover_req(struct wpa_supplicant *wpa_s,
8276 int ndef)
8277{
8278 struct wpabuf *wsc, *p2p;
abe44e3c
JM		 8279 struct wpa_ssid *ssid;
8280 u8 go_dev_addr[ETH_ALEN];
8281 int cli_freq = wpas_p2p_cli_freq(wpa_s, &ssid, go_dev_addr);
93588780
JM		 8282
8283 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) {
8284 wpa_printf(MSG_DEBUG, "P2P: P2P disabled - cannot build handover request");
8285 return NULL;
8286 }
8287
8288 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL &&
8289 wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
8290 &wpa_s->conf->wps_nfc_dh_privkey) < 0) {
8291 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No DH key available for handover request");
8292 return NULL;
8293 }
8294
59b45d1a
JM		 8295 if (cli_freq == 0) {
8296 wsc = wps_build_nfc_handover_req_p2p(
8297 wpa_s->parent->wps, wpa_s->conf->wps_nfc_dh_pubkey);
8298 } else
8299 wsc = NULL;
abe44e3c
JM		 8300 p2p = p2p_build_nfc_handover_req(wpa_s->global->p2p, cli_freq,
8301 go_dev_addr, ssid ? ssid->ssid : NULL,
8302 ssid ? ssid->ssid_len : 0);
93588780
JM		 8303
8304 return wpas_p2p_nfc_handover(ndef, wsc, p2p);
8305}
8306
8307
8308struct wpabuf * wpas_p2p_nfc_handover_sel(struct wpa_supplicant *wpa_s,
8309 int ndef, int tag)
8310{
8311 struct wpabuf *wsc, *p2p;
abe44e3c
JM		 8312 struct wpa_ssid *ssid;
8313 u8 go_dev_addr[ETH_ALEN];
8314 int cli_freq = wpas_p2p_cli_freq(wpa_s, &ssid, go_dev_addr);
93588780
JM		 8315
8316 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
8317 return NULL;
8318
8319 if (!tag && wpa_s->conf->wps_nfc_dh_pubkey == NULL &&
8320 wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
8321 &wpa_s->conf->wps_nfc_dh_privkey) < 0)
8322 return NULL;
8323
59b45d1a
JM		 8324 if (cli_freq == 0) {
8325 wsc = wps_build_nfc_handover_sel_p2p(
8326 wpa_s->parent->wps,
8327 tag ? wpa_s->conf->wps_nfc_dev_pw_id :
8328 DEV_PW_NFC_CONNECTION_HANDOVER,
8329 wpa_s->conf->wps_nfc_dh_pubkey,
8330 tag ? wpa_s->conf->wps_nfc_dev_pw : NULL);
8331 } else
8332 wsc = NULL;
abe44e3c
JM		 8333 p2p = p2p_build_nfc_handover_sel(wpa_s->global->p2p, cli_freq,
8334 go_dev_addr, ssid ? ssid->ssid : NULL,
8335 ssid ? ssid->ssid_len : 0);
93588780
JM		 8336
8337 return wpas_p2p_nfc_handover(ndef, wsc, p2p);
8338}
8339
db6ae69e
JM		 8340
8341static int wpas_p2p_nfc_join_group(struct wpa_supplicant *wpa_s,
8342 struct p2p_nfc_params *params)
8343{
8344 wpa_printf(MSG_DEBUG, "P2P: Initiate join-group based on NFC "
23318bea
JM		 8345 "connection handover (freq=%d)",
8346 params->go_freq);
8347
8348 if (params->go_freq && params->go_ssid_len) {
8349 wpa_s->p2p_wps_method = WPS_NFC;
8350 wpa_s->pending_join_wps_method = WPS_NFC;
8351 os_memset(wpa_s->pending_join_iface_addr, 0, ETH_ALEN);
8352 os_memcpy(wpa_s->pending_join_dev_addr, params->go_dev_addr,
8353 ETH_ALEN);
8354 return wpas_p2p_join_start(wpa_s, params->go_freq,
8355 params->go_ssid,
8356 params->go_ssid_len);
8357 }
8358
db6ae69e
JM		 8359 return wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL,
8360 WPS_NFC, 0, 0, 1, 0, wpa_s->conf->p2p_go_intent,
c27f4c90 8361 params->go_freq, wpa_s->p2p_go_vht_center_freq2,
70e0cb33
JM		 8362 -1, 0, 1, 1, wpa_s->p2p_go_max_oper_chwidth,
8363 params->go_ssid_len ? params->go_ssid : NULL,
8364 params->go_ssid_len);
db6ae69e
JM		 8365}
8366
8367
8368static int wpas_p2p_nfc_auth_join(struct wpa_supplicant *wpa_s,
8e9f53c3 8369 struct p2p_nfc_params *params, int tag)
db6ae69e 8370{
8e9f53c3
JM		 8371 int res, persistent;
8372 struct wpa_ssid *ssid;
8373
db6ae69e
JM		 8374 wpa_printf(MSG_DEBUG, "P2P: Authorize join-group based on NFC "
8375 "connection handover");
8376 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8e9f53c3 8377 ssid = wpa_s->current_ssid;
db6ae69e
JM		 8378 if (ssid == NULL)
8379 continue;
8380 if (ssid->mode != WPAS_MODE_P2P_GO)
8381 continue;
8382 if (wpa_s->ap_iface == NULL)
8383 continue;
8384 break;
8385 }
8386 if (wpa_s == NULL) {
8387 wpa_printf(MSG_DEBUG, "P2P: Could not find GO interface");
8388 return -1;
8389 }
8390
3c88d269 8391 if (wpa_s->p2pdev->p2p_oob_dev_pw_id !=
db6ae69e 8392 DEV_PW_NFC_CONNECTION_HANDOVER &&
3c88d269 8393 !wpa_s->p2pdev->p2p_oob_dev_pw) {
db6ae69e
JM		 8394 wpa_printf(MSG_DEBUG, "P2P: No NFC Dev Pw known");
8395 return -1;
8396 }
8e9f53c3 8397 res = wpas_ap_wps_add_nfc_pw(
3c88d269
AO		 8398 wpa_s, wpa_s->p2pdev->p2p_oob_dev_pw_id,
8399 wpa_s->p2pdev->p2p_oob_dev_pw,
8400 wpa_s->p2pdev->p2p_peer_oob_pk_hash_known ?
8401 wpa_s->p2pdev->p2p_peer_oob_pubkey_hash : NULL);
8e9f53c3
JM		 8402 if (res)
8403 return res;
8404
8405 if (!tag) {
8406 wpa_printf(MSG_DEBUG, "P2P: Negotiated handover - wait for peer to join without invitation");
8407 return 0;
8408 }
8409
8410 if (!params->peer ||
8411 !(params->peer->dev_capab & P2P_DEV_CAPAB_INVITATION_PROCEDURE))
8412 return 0;
8413
8414 wpa_printf(MSG_DEBUG, "P2P: Static handover - invite peer " MACSTR
8415 " to join", MAC2STR(params->peer->p2p_device_addr));
8416
8417 wpa_s->global->p2p_invite_group = wpa_s;
8418 persistent = ssid->p2p_persistent_group &&
3c88d269 8419 wpas_p2p_get_persistent(wpa_s->p2pdev,
8e9f53c3
JM		 8420 params->peer->p2p_device_addr,
8421 ssid->ssid, ssid->ssid_len);
3c88d269 8422 wpa_s->p2pdev->pending_invite_ssid_id = -1;
8e9f53c3
JM		 8423
8424 return p2p_invite(wpa_s->global->p2p, params->peer->p2p_device_addr,
8425 P2P_INVITE_ROLE_ACTIVE_GO, wpa_s->own_addr,
8426 ssid->ssid, ssid->ssid_len, ssid->frequency,
8427 wpa_s->global->p2p_dev_addr, persistent, 0,
3c88d269 8428 wpa_s->p2pdev->p2p_oob_dev_pw_id);
db6ae69e
JM		 8429}
8430
8431
8432static int wpas_p2p_nfc_init_go_neg(struct wpa_supplicant *wpa_s,
b56f6c88
JM		 8433 struct p2p_nfc_params *params,
8434 int forced_freq)
db6ae69e
JM		 8435{
8436 wpa_printf(MSG_DEBUG, "P2P: Initiate GO Negotiation based on NFC "
8437 "connection handover");
8438 return wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL,
8439 WPS_NFC, 0, 0, 0, 0, wpa_s->conf->p2p_go_intent,
c27f4c90 8440 forced_freq, wpa_s->p2p_go_vht_center_freq2,
70e0cb33
JM		 8441 -1, 0, 1, 1, wpa_s->p2p_go_max_oper_chwidth,
8442 NULL, 0);
db6ae69e
JM		 8443}
8444
8445
8446static int wpas_p2p_nfc_resp_go_neg(struct wpa_supplicant *wpa_s,
b56f6c88
JM		 8447 struct p2p_nfc_params *params,
8448 int forced_freq)
db6ae69e
JM		 8449{
8450 int res;
8451
8452 wpa_printf(MSG_DEBUG, "P2P: Authorize GO Negotiation based on NFC "
8453 "connection handover");
8454 res = wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL,
8455 WPS_NFC, 0, 0, 0, 1, wpa_s->conf->p2p_go_intent,
c27f4c90 8456 forced_freq, wpa_s->p2p_go_vht_center_freq2,
70e0cb33
JM		 8457 -1, 0, 1, 1, wpa_s->p2p_go_max_oper_chwidth,
8458 NULL, 0);
db6ae69e
JM		 8459 if (res)
8460 return res;
8461
8462 res = wpas_p2p_listen(wpa_s, 60);
8463 if (res) {
8464 p2p_unauthorize(wpa_s->global->p2p,
8465 params->peer->p2p_device_addr);
8466 }
8467
8468 return res;
8469}
8470
8471
8472static int wpas_p2p_nfc_connection_handover(struct wpa_supplicant *wpa_s,
8473 const struct wpabuf *data,
b56f6c88 8474 int sel, int tag, int forced_freq)
db6ae69e
JM		 8475{
8476 const u8 *pos, *end;
8477 u16 len, id;
8478 struct p2p_nfc_params params;
8479 int res;
8480
8481 os_memset(&params, 0, sizeof(params));
8482 params.sel = sel;
8483
8484 wpa_hexdump_buf(MSG_DEBUG, "P2P: Received NFC tag payload", data);
8485
8486 pos = wpabuf_head(data);
8487 end = pos + wpabuf_len(data);
8488
8489 if (end - pos < 2) {
8490 wpa_printf(MSG_DEBUG, "P2P: Not enough data for Length of WSC "
8491 "attributes");
8492 return -1;
8493 }
8494 len = WPA_GET_BE16(pos);
8495 pos += 2;
c061ae59 8496 if (len > end - pos) {
db6ae69e
JM		 8497 wpa_printf(MSG_DEBUG, "P2P: Not enough data for WSC "
8498 "attributes");
8499 return -1;
8500 }
8501 params.wsc_attr = pos;
8502 params.wsc_len = len;
8503 pos += len;
8504
8505 if (end - pos < 2) {
8506 wpa_printf(MSG_DEBUG, "P2P: Not enough data for Length of P2P "
8507 "attributes");
8508 return -1;
8509 }
8510 len = WPA_GET_BE16(pos);
8511 pos += 2;
c061ae59 8512 if (len > end - pos) {
db6ae69e
JM		 8513 wpa_printf(MSG_DEBUG, "P2P: Not enough data for P2P "
8514 "attributes");
8515 return -1;
8516 }
8517 params.p2p_attr = pos;
8518 params.p2p_len = len;
8519 pos += len;
8520
8521 wpa_hexdump(MSG_DEBUG, "P2P: WSC attributes",
8522 params.wsc_attr, params.wsc_len);
8523 wpa_hexdump(MSG_DEBUG, "P2P: P2P attributes",
8524 params.p2p_attr, params.p2p_len);
8525 if (pos < end) {
8526 wpa_hexdump(MSG_DEBUG,
8527 "P2P: Ignored extra data after P2P attributes",
8528 pos, end - pos);
8529 }
8530
8531 res = p2p_process_nfc_connection_handover(wpa_s->global->p2p, &params);
8532 if (res)
8533 return res;
8534
74df9ecd
JM		 8535 if (params.next_step == NO_ACTION)
8536 return 0;
8537
8538 if (params.next_step == BOTH_GO) {
8539 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_BOTH_GO "peer=" MACSTR,
8540 MAC2STR(params.peer->p2p_device_addr));
8541 return 0;
8542 }
8543
59b45d1a 8544 if (params.next_step == PEER_CLIENT) {
abe44e3c
JM		 8545 if (!is_zero_ether_addr(params.go_dev_addr)) {
8546 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_PEER_CLIENT
8547 "peer=" MACSTR " freq=%d go_dev_addr=" MACSTR
8548 " ssid=\"%s\"",
8549 MAC2STR(params.peer->p2p_device_addr),
8550 params.go_freq,
8551 MAC2STR(params.go_dev_addr),
8552 wpa_ssid_txt(params.go_ssid,
8553 params.go_ssid_len));
8554 } else {
8555 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_PEER_CLIENT
8556 "peer=" MACSTR " freq=%d",
8557 MAC2STR(params.peer->p2p_device_addr),
8558 params.go_freq);
8559 }
59b45d1a
JM		 8560 return 0;
8561 }
8562
abe44e3c 8563 if (wpas_p2p_cli_freq(wpa_s, NULL, NULL)) {
59b45d1a
JM		 8564 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_WHILE_CLIENT "peer="
8565 MACSTR, MAC2STR(params.peer->p2p_device_addr));
8566 return 0;
8567 }
8568
db6ae69e
JM		 8569 wpabuf_free(wpa_s->p2p_oob_dev_pw);
8570 wpa_s->p2p_oob_dev_pw = NULL;
8571
8572 if (params.oob_dev_pw_len < WPS_OOB_PUBKEY_HASH_LEN + 2) {
8573 wpa_printf(MSG_DEBUG, "P2P: No peer OOB Dev Pw "
8574 "received");
8575 return -1;
8576 }
8577
8578 id = WPA_GET_BE16(params.oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN);
8579 wpa_printf(MSG_DEBUG, "P2P: Peer OOB Dev Pw %u", id);
8580 wpa_hexdump(MSG_DEBUG, "P2P: Peer OOB Public Key hash",
8581 params.oob_dev_pw, WPS_OOB_PUBKEY_HASH_LEN);
8582 os_memcpy(wpa_s->p2p_peer_oob_pubkey_hash,
8583 params.oob_dev_pw, WPS_OOB_PUBKEY_HASH_LEN);
8584 wpa_s->p2p_peer_oob_pk_hash_known = 1;
8585
8586 if (tag) {
8587 if (id < 0x10) {
8588 wpa_printf(MSG_DEBUG, "P2P: Static handover - invalid "
8589 "peer OOB Device Password Id %u", id);
8590 return -1;
8591 }
8592 wpa_printf(MSG_DEBUG, "P2P: Static handover - use peer OOB "
8593 "Device Password Id %u", id);
8594 wpa_hexdump_key(MSG_DEBUG, "P2P: Peer OOB Device Password",
8595 params.oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN + 2,
8596 params.oob_dev_pw_len -
8597 WPS_OOB_PUBKEY_HASH_LEN - 2);
8598 wpa_s->p2p_oob_dev_pw_id = id;
8599 wpa_s->p2p_oob_dev_pw = wpabuf_alloc_copy(
8600 params.oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN + 2,
8601 params.oob_dev_pw_len -
8602 WPS_OOB_PUBKEY_HASH_LEN - 2);
8603 if (wpa_s->p2p_oob_dev_pw == NULL)
8604 return -1;
8605
8606 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL &&
8607 wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
8608 &wpa_s->conf->wps_nfc_dh_privkey) < 0)
8609 return -1;
8610 } else {
8611 wpa_printf(MSG_DEBUG, "P2P: Using abbreviated WPS handshake "
8612 "without Device Password");
8613 wpa_s->p2p_oob_dev_pw_id = DEV_PW_NFC_CONNECTION_HANDOVER;
8614 }
8615
8616 switch (params.next_step) {
8617 case NO_ACTION:
74df9ecd 8618 case BOTH_GO:
59b45d1a 8619 case PEER_CLIENT:
74df9ecd 8620 /* already covered above */
db6ae69e
JM		 8621 return 0;
8622 case JOIN_GROUP:
8623 return wpas_p2p_nfc_join_group(wpa_s, &params);
8624 case AUTH_JOIN:
8e9f53c3 8625 return wpas_p2p_nfc_auth_join(wpa_s, &params, tag);
db6ae69e 8626 case INIT_GO_NEG:
b56f6c88 8627 return wpas_p2p_nfc_init_go_neg(wpa_s, &params, forced_freq);
db6ae69e
JM		 8628 case RESP_GO_NEG:
8629 /* TODO: use own OOB Dev Pw */
b56f6c88 8630 return wpas_p2p_nfc_resp_go_neg(wpa_s, &params, forced_freq);
db6ae69e
JM		 8631 }
8632
8633 return -1;
8634}
8635
8636
dd37a938 8637int wpas_p2p_nfc_tag_process(struct wpa_supplicant *wpa_s,
b56f6c88 8638 const struct wpabuf *data, int forced_freq)
dd37a938
JM		 8639{
8640 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
8641 return -1;
8642
b56f6c88 8643 return wpas_p2p_nfc_connection_handover(wpa_s, data, 1, 1, forced_freq);
dd37a938
JM		 8644}
8645
8646
db6ae69e
JM		 8647int wpas_p2p_nfc_report_handover(struct wpa_supplicant *wpa_s, int init,
8648 const struct wpabuf *req,
b56f6c88 8649 const struct wpabuf *sel, int forced_freq)
db6ae69e
JM		 8650{
8651 struct wpabuf *tmp;
8652 int ret;
8653
8654 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
8655 return -1;
8656
8657 wpa_printf(MSG_DEBUG, "NFC: P2P connection handover reported");
8658
8659 wpa_hexdump_ascii(MSG_DEBUG, "NFC: Req",
8660 wpabuf_head(req), wpabuf_len(req));
8661 wpa_hexdump_ascii(MSG_DEBUG, "NFC: Sel",
8662 wpabuf_head(sel), wpabuf_len(sel));
b56f6c88
JM		 8663 if (forced_freq)
8664 wpa_printf(MSG_DEBUG, "NFC: Forced freq %d", forced_freq);
db6ae69e
JM		 8665 tmp = ndef_parse_p2p(init ? sel : req);
8666 if (tmp == NULL) {
8667 wpa_printf(MSG_DEBUG, "P2P: Could not parse NDEF");
8668 return -1;
8669 }
8670
b56f6c88
JM		 8671 ret = wpas_p2p_nfc_connection_handover(wpa_s, tmp, init, 0,
8672 forced_freq);
db6ae69e
JM		 8673 wpabuf_free(tmp);
8674
8675 return ret;
8676}
8677
c4f87a70
JM		 8678
8679int wpas_p2p_nfc_tag_enabled(struct wpa_supplicant *wpa_s, int enabled)
8680{
8681 const u8 *if_addr;
8682 int go_intent = wpa_s->conf->p2p_go_intent;
dd876771 8683 struct wpa_supplicant *iface;
c4f87a70
JM		 8684
8685 if (wpa_s->global->p2p == NULL)
8686 return -1;
8687
8688 if (!enabled) {
dd876771
JM		 8689 wpa_printf(MSG_DEBUG, "P2P: Disable use of own NFC Tag");
8690 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
8691 {
8692 if (!iface->ap_iface)
8693 continue;
8694 hostapd_wps_nfc_token_disable(iface->ap_iface->bss[0]);
8695 }
c4f87a70
JM		 8696 p2p_set_authorized_oob_dev_pw_id(wpa_s->global->p2p, 0,
8697 0, NULL);
8698 if (wpa_s->p2p_nfc_tag_enabled)
8699 wpas_p2p_remove_pending_group_interface(wpa_s);
8700 wpa_s->p2p_nfc_tag_enabled = 0;
8701 return 0;
8702 }
8703
8704 if (wpa_s->global->p2p_disabled)
8705 return -1;
8706
8707 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL ||
8708 wpa_s->conf->wps_nfc_dh_privkey == NULL ||
8709 wpa_s->conf->wps_nfc_dev_pw == NULL ||
8710 wpa_s->conf->wps_nfc_dev_pw_id < 0x10) {
8711 wpa_printf(MSG_DEBUG, "P2P: NFC password token not configured "
8712 "to allow static handover cases");
8713 return -1;
8714 }
8715
dd876771
JM		 8716 wpa_printf(MSG_DEBUG, "P2P: Enable use of own NFC Tag");
8717
c4f87a70
JM		 8718 wpa_s->p2p_oob_dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id;
8719 wpabuf_free(wpa_s->p2p_oob_dev_pw);
8720 wpa_s->p2p_oob_dev_pw = wpabuf_dup(wpa_s->conf->wps_nfc_dev_pw);
8721 if (wpa_s->p2p_oob_dev_pw == NULL)
8722 return -1;
8723 wpa_s->p2p_peer_oob_pk_hash_known = 0;
8724
67d39cfb
MB		 8725 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO ||
8726 wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT) {
8727 /*
8728 * P2P Group Interface present and the command came on group
8729 * interface, so enable the token for the current interface.
8730 */
8731 wpa_s->create_p2p_iface = 0;
8732 } else {
8733 wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
8734 }
c4f87a70
JM		 8735
8736 if (wpa_s->create_p2p_iface) {
8737 enum wpa_driver_if_type iftype;
8738 /* Prepare to add a new interface for the group */
8739 iftype = WPA_IF_P2P_GROUP;
8740 if (go_intent == 15)
8741 iftype = WPA_IF_P2P_GO;
8742 if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) {
8743 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
8744 "interface for the group");
8745 return -1;
8746 }
8747
8748 if_addr = wpa_s->pending_interface_addr;
96a26ab7
LD		 8749 } else if (wpa_s->p2p_mgmt)
8750 if_addr = wpa_s->parent->own_addr;
8751 else
c4f87a70
JM		 8752 if_addr = wpa_s->own_addr;
8753
8754 wpa_s->p2p_nfc_tag_enabled = enabled;
8755
dd876771
JM		 8756 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
8757 struct hostapd_data *hapd;
8758 if (iface->ap_iface == NULL)
8759 continue;
8760 hapd = iface->ap_iface->bss[0];
8761 wpabuf_free(hapd->conf->wps_nfc_dh_pubkey);
8762 hapd->conf->wps_nfc_dh_pubkey =
8763 wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey);
8764 wpabuf_free(hapd->conf->wps_nfc_dh_privkey);
8765 hapd->conf->wps_nfc_dh_privkey =
8766 wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey);
8767 wpabuf_free(hapd->conf->wps_nfc_dev_pw);
8768 hapd->conf->wps_nfc_dev_pw =
8769 wpabuf_dup(wpa_s->conf->wps_nfc_dev_pw);
8770 hapd->conf->wps_nfc_dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id;
8771
8772 if (hostapd_wps_nfc_token_enable(iface->ap_iface->bss[0]) < 0) {
8773 wpa_dbg(iface, MSG_DEBUG,
8774 "P2P: Failed to enable NFC Tag for GO");
8775 }
8776 }
c4f87a70
JM		 8777 p2p_set_authorized_oob_dev_pw_id(
8778 wpa_s->global->p2p, wpa_s->conf->wps_nfc_dev_pw_id, go_intent,
8779 if_addr);
8780
8781 return 0;
8782}
8783
93588780 8784#endif /* CONFIG_WPS_NFC */
e3bd6e9d
IP		 8785
8786
8787static void wpas_p2p_optimize_listen_channel(struct wpa_supplicant *wpa_s,
8788 struct wpa_used_freq_data *freqs,
8789 unsigned int num)
8790{
8791 u8 curr_chan, cand, chan;
8792 unsigned int i;
8793
c2675c87
IP		 8794 /*
8795 * If possible, optimize the Listen channel to be a channel that is
8796 * already used by one of the other interfaces.
8797 */
8798 if (!wpa_s->conf->p2p_optimize_listen_chan)
8799 return;
8800
8801 if (!wpa_s->current_ssid || wpa_s->wpa_state != WPA_COMPLETED)
8802 return;
8803
e3bd6e9d
IP		 8804 curr_chan = p2p_get_listen_channel(wpa_s->global->p2p);
8805 for (i = 0, cand = 0; i < num; i++) {
8806 ieee80211_freq_to_chan(freqs[i].freq, &chan);
8807 if (curr_chan == chan) {
8808 cand = 0;
8809 break;
8810 }
8811
8812 if (chan == 1 || chan == 6 || chan == 11)
8813 cand = chan;
8814 }
8815
8816 if (cand) {
8817 wpa_dbg(wpa_s, MSG_DEBUG,
abe96d06 8818 "P2P: Update Listen channel to %u based on operating channel",
e3bd6e9d
IP		 8819 cand);
8820 p2p_set_listen_channel(wpa_s->global->p2p, 81, cand, 0);
8821 }
8822}
8823
8824
1a471ff0
IP		 8825static int wpas_p2p_move_go_csa(struct wpa_supplicant *wpa_s)
8826{
73afc20d
AO		 8827 struct hostapd_config *conf;
8828 struct p2p_go_neg_results params;
8829 struct csa_settings csa_settings;
8830 struct wpa_ssid *current_ssid = wpa_s->current_ssid;
8831 int old_freq = current_ssid->frequency;
8832 int ret;
73afc20d 8833
1a471ff0
IP		 8834 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_CSA)) {
8835 wpa_dbg(wpa_s, MSG_DEBUG, "CSA is not enabled");
8836 return -1;
8837 }
8838
73afc20d
AO		 8839 /*
8840 * TODO: This function may not always work correctly. For example,
8841 * when we have a running GO and a BSS on a DFS channel.
8842 */
c27f4c90 8843 if (wpas_p2p_init_go_params(wpa_s, &params, 0, 0, 0, 0, 0, NULL)) {
73afc20d
AO		 8844 wpa_dbg(wpa_s, MSG_DEBUG,
8845 "P2P CSA: Failed to select new frequency for GO");
8846 return -1;
8847 }
8848
8849 if (current_ssid->frequency == params.freq) {
8850 wpa_dbg(wpa_s, MSG_DEBUG,
8851 "P2P CSA: Selected same frequency - not moving GO");
8852 return 0;
8853 }
8854
8855 conf = hostapd_config_defaults();
8856 if (!conf) {
8857 wpa_dbg(wpa_s, MSG_DEBUG,
8858 "P2P CSA: Failed to allocate default config");
8859 return -1;
8860 }
8861
8862 current_ssid->frequency = params.freq;
8863 if (wpa_supplicant_conf_ap_ht(wpa_s, current_ssid, conf)) {
8864 wpa_dbg(wpa_s, MSG_DEBUG,
8865 "P2P CSA: Failed to create new GO config");
8866 ret = -1;
8867 goto out;
8868 }
8869
8870 if (conf->hw_mode != wpa_s->ap_iface->current_mode->mode) {
8871 wpa_dbg(wpa_s, MSG_DEBUG,
8872 "P2P CSA: CSA to a different band is not supported");
8873 ret = -1;
8874 goto out;
8875 }
8876
8877 os_memset(&csa_settings, 0, sizeof(csa_settings));
8878 csa_settings.cs_count = P2P_GO_CSA_COUNT;
8879 csa_settings.block_tx = P2P_GO_CSA_BLOCK_TX;
8880 csa_settings.freq_params.freq = params.freq;
73afc20d
AO		 8881 csa_settings.freq_params.sec_channel_offset = conf->secondary_channel;
8882 csa_settings.freq_params.ht_enabled = conf->ieee80211n;
8883 csa_settings.freq_params.bandwidth = conf->secondary_channel ? 40 : 20;
8884
8885 if (conf->ieee80211ac) {
8886 int freq1 = 0, freq2 = 0;
7d82170a
LC		 8887 u8 chan, opclass;
8888
8889 if (ieee80211_freq_to_channel_ext(params.freq,
8890 conf->secondary_channel,
8891 conf->vht_oper_chwidth,
8892 &opclass, &chan) ==
8893 NUM_HOSTAPD_MODES) {
8894 wpa_printf(MSG_ERROR, "P2P CSA: Bad freq");
8895 ret = -1;
8896 goto out;
8897 }
73afc20d
AO		 8898
8899 if (conf->vht_oper_centr_freq_seg0_idx)
8900 freq1 = ieee80211_chan_to_freq(
7d82170a 8901 NULL, opclass,
73afc20d
AO		 8902 conf->vht_oper_centr_freq_seg0_idx);
8903
8904 if (conf->vht_oper_centr_freq_seg1_idx)
8905 freq2 = ieee80211_chan_to_freq(
7d82170a 8906 NULL, opclass,
73afc20d
AO		 8907 conf->vht_oper_centr_freq_seg1_idx);
8908
8909 if (freq1 < 0 || freq2 < 0) {
8910 wpa_dbg(wpa_s, MSG_DEBUG,
8911 "P2P CSA: Selected invalid VHT center freqs");
8912 ret = -1;
8913 goto out;
8914 }
8915
8916 csa_settings.freq_params.vht_enabled = conf->ieee80211ac;
8917 csa_settings.freq_params.center_freq1 = freq1;
8918 csa_settings.freq_params.center_freq2 = freq2;
8919
8920 switch (conf->vht_oper_chwidth) {
8921 case VHT_CHANWIDTH_80MHZ:
8922 case VHT_CHANWIDTH_80P80MHZ:
8923 csa_settings.freq_params.bandwidth = 80;
8924 break;
8925 case VHT_CHANWIDTH_160MHZ:
8926 csa_settings.freq_params.bandwidth = 160;
8927 break;
8928 }
8929 }
8930
8931 ret = ap_switch_channel(wpa_s, &csa_settings);
8932out:
8933 current_ssid->frequency = old_freq;
8934 hostapd_config_free(conf);
8935 return ret;
1a471ff0
IP		 8936}
8937
8938
8939static void wpas_p2p_move_go_no_csa(struct wpa_supplicant *wpa_s)
8940{
8941 struct p2p_go_neg_results params;
8942 struct wpa_ssid *current_ssid = wpa_s->current_ssid;
8943
8944 wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_REMOVE_AND_REFORM_GROUP);
8945
8946 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Move GO from freq=%d MHz",
8947 current_ssid->frequency);
8948
8949 /* Stop the AP functionality */
8950 /* TODO: Should do this in a way that does not indicated to possible
8951 * P2P Clients in the group that the group is terminated. */
8952 wpa_supplicant_ap_deinit(wpa_s);
8953
8954 /* Reselect the GO frequency */
c27f4c90 8955 if (wpas_p2p_init_go_params(wpa_s, &params, 0, 0, 0, 0, 0, NULL)) {
1a471ff0
IP		 8956 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Failed to reselect freq");
8957 wpas_p2p_group_delete(wpa_s,
8958 P2P_GROUP_REMOVAL_GO_LEAVE_CHANNEL);
8959 return;
8960 }
8961 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New freq selected for the GO (%u MHz)",
8962 params.freq);
8963
8964 if (params.freq &&
8965 !p2p_supported_freq_go(wpa_s->global->p2p, params.freq)) {
8966 wpa_printf(MSG_DEBUG,
8967 "P2P: Selected freq (%u MHz) is not valid for P2P",
8968 params.freq);
8969 wpas_p2p_group_delete(wpa_s,
8970 P2P_GROUP_REMOVAL_GO_LEAVE_CHANNEL);
8971 return;
8972 }
8973
8974 /* Update the frequency */
8975 current_ssid->frequency = params.freq;
8976 wpa_s->connect_without_scan = current_ssid;
8977 wpa_s->reassociate = 1;
8978 wpa_s->disconnected = 0;
8979 wpa_supplicant_req_scan(wpa_s, 0, 0);
8980}
8981
8982
8983static void wpas_p2p_move_go(void *eloop_ctx, void *timeout_ctx)
8984{
8985 struct wpa_supplicant *wpa_s = eloop_ctx;
8986
8987 if (!wpa_s->ap_iface || !wpa_s->current_ssid)
8988 return;
8989
5e1f4805
IP		 8990 wpas_p2p_go_update_common_freqs(wpa_s);
8991
3bafb0d8
AO		 8992 /* Do not move GO in the middle of a CSA */
8993 if (hostapd_csa_in_progress(wpa_s->ap_iface)) {
8994 wpa_printf(MSG_DEBUG,
8995 "P2P: CSA is in progress - not moving GO");
8996 return;
8997 }
8998
1a471ff0
IP		 8999 /*
9000 * First, try a channel switch flow. If it is not supported or fails,
9001 * take down the GO and bring it up again.
9002 */
9003 if (wpas_p2p_move_go_csa(wpa_s) < 0)
9004 wpas_p2p_move_go_no_csa(wpa_s);
9005}
9006
9007
dae4c82c
IP		 9008static void wpas_p2p_reconsider_moving_go(void *eloop_ctx, void *timeout_ctx)
9009{
9010 struct wpa_supplicant *wpa_s = eloop_ctx;
9011 struct wpa_used_freq_data *freqs = NULL;
9012 unsigned int num = wpa_s->num_multichan_concurrent;
9013
9014 freqs = os_calloc(num, sizeof(struct wpa_used_freq_data));
9015 if (!freqs)
9016 return;
9017
9018 num = get_shared_radio_freqs_data(wpa_s, freqs, num);
9019
9020 /* Previous attempt to move a GO was not possible -- try again. */
3a8f008a
IP		 9021 wpas_p2p_consider_moving_gos(wpa_s, freqs, num,
9022 WPAS_P2P_CHANNEL_UPDATE_ANY);
dae4c82c
IP		 9023
9024 os_free(freqs);
9025}
9026
9027
1a471ff0
IP		 9028/*
9029 * Consider moving a GO from its currently used frequency:
9030 * 1. It is possible that due to regulatory consideration the frequency
9031 * can no longer be used and there is a need to evacuate the GO.
9032 * 2. It is possible that due to MCC considerations, it would be preferable
9033 * to move the GO to a channel that is currently used by some other
9034 * station interface.
9035 *
9036 * In case a frequency that became invalid is once again valid, cancel a
9037 * previously initiated GO frequency change.
9038 */
9039static void wpas_p2p_consider_moving_one_go(struct wpa_supplicant *wpa_s,
9040 struct wpa_used_freq_data *freqs,
9041 unsigned int num)
9042{
9043 unsigned int i, invalid_freq = 0, policy_move = 0, flags = 0;
9044 unsigned int timeout;
9045 int freq;
9046
5e1f4805
IP		 9047 wpas_p2p_go_update_common_freqs(wpa_s);
9048
1a471ff0
IP		 9049 freq = wpa_s->current_ssid->frequency;
9050 for (i = 0, invalid_freq = 0; i < num; i++) {
9051 if (freqs[i].freq == freq) {
9052 flags = freqs[i].flags;
9053
9054 /* The channel is invalid, must change it */
9055 if (!p2p_supported_freq_go(wpa_s->global->p2p, freq)) {
9056 wpa_dbg(wpa_s, MSG_DEBUG,
9057 "P2P: Freq=%d MHz no longer valid for GO",
9058 freq);
9059 invalid_freq = 1;
9060 }
9061 } else if (freqs[i].flags == 0) {
9062 /* Freq is not used by any other station interface */
9063 continue;
9064 } else if (!p2p_supported_freq(wpa_s->global->p2p,
9065 freqs[i].freq)) {
9066 /* Freq is not valid for P2P use cases */
9067 continue;
9068 } else if (wpa_s->conf->p2p_go_freq_change_policy ==
9069 P2P_GO_FREQ_MOVE_SCM) {
9070 policy_move = 1;
9071 } else if (wpa_s->conf->p2p_go_freq_change_policy ==
9072 P2P_GO_FREQ_MOVE_SCM_PEER_SUPPORTS &&
9073 wpas_p2p_go_is_peer_freq(wpa_s, freqs[i].freq)) {
9074 policy_move = 1;
98b05081
AO		 9075 } else if ((wpa_s->conf->p2p_go_freq_change_policy ==
9076 P2P_GO_FREQ_MOVE_SCM_ECSA) &&
9077 wpas_p2p_go_is_peer_freq(wpa_s, freqs[i].freq)) {
9078 if (!p2p_get_group_num_members(wpa_s->p2p_group)) {
9079 policy_move = 1;
9080 } else if ((wpa_s->drv_flags &
9081 WPA_DRIVER_FLAGS_AP_CSA) &&
9082 wpas_p2p_go_clients_support_ecsa(wpa_s)) {
9083 u8 chan;
9084
9085 /*
9086 * We do not support CSA between bands, so move
9087 * GO only within the same band.
9088 */
9089 if (wpa_s->ap_iface->current_mode->mode ==
9090 ieee80211_freq_to_chan(freqs[i].freq,
9091 &chan))
9092 policy_move = 1;
9093 }
1a471ff0
IP		 9094 }
9095 }
9096
9097 wpa_dbg(wpa_s, MSG_DEBUG,
9098 "P2P: GO move: invalid_freq=%u, policy_move=%u, flags=0x%X",
9099 invalid_freq, policy_move, flags);
9100
9101 /*
9102 * The channel is valid, or we are going to have a policy move, so
9103 * cancel timeout.
9104 */
9105 if (!invalid_freq || policy_move) {
9106 wpa_dbg(wpa_s, MSG_DEBUG,
9107 "P2P: Cancel a GO move from freq=%d MHz", freq);
9108 eloop_cancel_timeout(wpas_p2p_move_go, wpa_s, NULL);
dae4c82c
IP		 9109
9110 if (wpas_p2p_in_progress(wpa_s)) {
9111 wpa_dbg(wpa_s, MSG_DEBUG,
9112 "P2P: GO move: policy CS is not allowed - setting timeout to re-consider GO move");
9113 eloop_cancel_timeout(wpas_p2p_reconsider_moving_go,
9114 wpa_s, NULL);
9115 eloop_register_timeout(P2P_RECONSIDER_GO_MOVE_DELAY, 0,
9116 wpas_p2p_reconsider_moving_go,
9117 wpa_s, NULL);
9118 return;
9119 }
1a471ff0
IP		 9120 }
9121
9122 if (!invalid_freq && (!policy_move || flags != 0)) {
9123 wpa_dbg(wpa_s, MSG_DEBUG,
9124 "P2P: Not initiating a GO frequency change");
9125 return;
9126 }
9127
3bafb0d8
AO		 9128 /*
9129 * Do not consider moving GO if it is in the middle of a CSA. When the
9130 * CSA is finished this flow should be retriggered.
9131 */
9132 if (hostapd_csa_in_progress(wpa_s->ap_iface)) {
9133 wpa_dbg(wpa_s, MSG_DEBUG,
9134 "P2P: Not initiating a GO frequency change - CSA is in progress");
9135 return;
9136 }
9137
1a471ff0
IP		 9138 if (invalid_freq && !wpas_p2p_disallowed_freq(wpa_s->global, freq))
9139 timeout = P2P_GO_FREQ_CHANGE_TIME;
9140 else
9141 timeout = 0;
9142
9143 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Move GO from freq=%d MHz in %d secs",
9144 freq, timeout);
9145 eloop_cancel_timeout(wpas_p2p_move_go, wpa_s, NULL);
9146 eloop_register_timeout(timeout, 0, wpas_p2p_move_go, wpa_s, NULL);
9147}
9148
9149
9150static void wpas_p2p_consider_moving_gos(struct wpa_supplicant *wpa_s,
9151 struct wpa_used_freq_data *freqs,
3a8f008a
IP		 9152 unsigned int num,
9153 enum wpas_p2p_channel_update_trig trig)
1a471ff0
IP		 9154{
9155 struct wpa_supplicant *ifs;
9156
dae4c82c
IP		 9157 eloop_cancel_timeout(wpas_p2p_reconsider_moving_go, ELOOP_ALL_CTX,
9158 NULL);
9159
1a471ff0
IP		 9160 /*
9161 * Travers all the radio interfaces, and for each GO interface, check
9162 * if there is a need to move the GO from the frequency it is using,
9163 * or in case the frequency is valid again, cancel the evacuation flow.
9164 */
9165 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
9166 radio_list) {
9167 if (ifs->current_ssid == NULL ||
9168 ifs->current_ssid->mode != WPAS_MODE_P2P_GO)
9169 continue;
9170
3a8f008a
IP		 9171 /*
9172 * The GO was just started or completed channel switch, no need
9173 * to move it.
9174 */
9175 if (wpa_s == ifs &&
9176 (trig == WPAS_P2P_CHANNEL_UPDATE_STATE_CHANGE ||
9177 trig == WPAS_P2P_CHANNEL_UPDATE_CS)) {
9178 wpa_dbg(wpa_s, MSG_DEBUG,
9179 "P2P: GO move - schedule re-consideration");
9180 eloop_register_timeout(P2P_RECONSIDER_GO_MOVE_DELAY, 0,
9181 wpas_p2p_reconsider_moving_go,
9182 wpa_s, NULL);
9183 continue;
9184 }
9185
1a471ff0
IP		 9186 wpas_p2p_consider_moving_one_go(ifs, freqs, num);
9187 }
9188}
9189
9190
e3bd6e9d
IP		 9191void wpas_p2p_indicate_state_change(struct wpa_supplicant *wpa_s)
9192{
e3bd6e9d
IP		 9193 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
9194 return;
9195
3a8f008a
IP		 9196 wpas_p2p_update_channel_list(wpa_s,
9197 WPAS_P2P_CHANNEL_UPDATE_STATE_CHANGE);
e3bd6e9d 9198}
bd10d938
JM		 9199
9200
9201void wpas_p2p_deinit_iface(struct wpa_supplicant *wpa_s)
9202{
bd10d938
JM		 9203 if (wpa_s == wpa_s->global->p2p_init_wpa_s && wpa_s->global->p2p) {
9204 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Disable P2P since removing "
9205 "the management interface is being removed");
9206 wpas_p2p_deinit_global(wpa_s->global);
9207 }
9208}
9209
9210
9211void wpas_p2p_ap_deinit(struct wpa_supplicant *wpa_s)
9212{
9213 if (wpa_s->ap_iface->bss)
9214 wpa_s->ap_iface->bss[0]->p2p_group = NULL;
9215 wpas_p2p_group_deinit(wpa_s);
9216}
a6f5b193
PX		 9217
9218
9219int wpas_p2p_lo_start(struct wpa_supplicant *wpa_s, unsigned int freq,
9220 unsigned int period, unsigned int interval,
9221 unsigned int count)
9222{
9223 struct p2p_data *p2p = wpa_s->global->p2p;
9224 u8 *device_types;
9225 size_t dev_types_len;
9226 struct wpabuf *buf;
9227 int ret;
9228
9229 if (wpa_s->p2p_lo_started) {
9230 wpa_dbg(wpa_s, MSG_DEBUG,
9231 "P2P Listen offload is already started");
9232 return 0;
9233 }
9234
9235 if (wpa_s->global->p2p == NULL ||
9236 !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD)) {
9237 wpa_printf(MSG_DEBUG, "P2P: Listen offload not supported");
9238 return -1;
9239 }
9240
9241 if (!p2p_supported_freq(wpa_s->global->p2p, freq)) {
9242 wpa_printf(MSG_ERROR, "P2P: Input channel not supported: %u",
9243 freq);
9244 return -1;
9245 }
9246
9247 /* Get device type */
9248 dev_types_len = (wpa_s->conf->num_sec_device_types + 1) *
9249 WPS_DEV_TYPE_LEN;
9250 device_types = os_malloc(dev_types_len);
9251 if (!device_types)
9252 return -1;
9253 os_memcpy(device_types, wpa_s->conf->device_type, WPS_DEV_TYPE_LEN);
9254 os_memcpy(&device_types[WPS_DEV_TYPE_LEN], wpa_s->conf->sec_device_type,
9255 wpa_s->conf->num_sec_device_types * WPS_DEV_TYPE_LEN);
9256
9257 /* Get Probe Response IE(s) */
9258 buf = p2p_build_probe_resp_template(p2p, freq);
9259 if (!buf) {
9260 os_free(device_types);
9261 return -1;
9262 }
9263
9264 ret = wpa_drv_p2p_lo_start(wpa_s, freq, period, interval, count,
9265 device_types, dev_types_len,
9266 wpabuf_mhead_u8(buf), wpabuf_len(buf));
9267 if (ret < 0)
9268 wpa_dbg(wpa_s, MSG_DEBUG,
9269 "P2P: Failed to start P2P listen offload");
9270
9271 os_free(device_types);
9272 wpabuf_free(buf);
9273
9274 if (ret == 0) {
9275 wpa_s->p2p_lo_started = 1;
9276
9277 /* Stop current P2P listen if any */
9278 wpas_stop_listen(wpa_s);
9279 }
9280
9281 return ret;
9282}
9283
9284
9285int wpas_p2p_lo_stop(struct wpa_supplicant *wpa_s)
9286{
9287 int ret;
9288
9289 if (!wpa_s->p2p_lo_started)
9290 return 0;
9291
9292 ret = wpa_drv_p2p_lo_stop(wpa_s);
9293 if (ret < 0)
9294 wpa_dbg(wpa_s, MSG_DEBUG,
9295 "P2P: Failed to stop P2P listen offload");
9296
9297 wpa_s->p2p_lo_started = 0;
9298 return ret;
9299}
Unnamed repository; edit this file 'description' to name the repository.