1 /*
2 * Wi-Fi Direct - P2P module
3 * Copyright (c) 2009-2010, Atheros Communications
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #include "includes.h"
10
11 #include "common.h"
12 #include "eloop.h"
13 #include "common/defs.h"
14 #include "common/ieee802_11_defs.h"
15 #include "common/ieee802_11_common.h"
16 #include "common/wpa_ctrl.h"
17 #include "crypto/sha256.h"
18 #include "crypto/crypto.h"
19 #include "wps/wps_i.h"
20 #include "p2p_i.h"
21 #include "p2p.h"
22
23 #ifdef CONFIG_MIRACAST_SINK_OPT
24 #include "hm_miracast_sink.h"
25 #endif
26
27 #ifdef CONFIG_OPEN_HARMONY_P2P_DEV_NOTIFY
28 #include "parse_miracast_ie.h"
29 #endif
30
31 #ifdef CONFIG_P2P_CHR
32 #include "wpa_hw_p2p_chr.h"
33 #endif
34
35 #ifdef CONFIG_LIBWPA_VENDOR
36 #include "wpa_client.h"
37 #endif
38
39 #ifdef CONFIG_WIFI_RPT
40 #define DEFAULT_RPT_ID -3
41 #endif
42
43 static void p2p_state_timeout(void *eloop_ctx, void *timeout_ctx);
44 static void p2p_device_free(struct p2p_data *p2p, struct p2p_device *dev);
45 static void p2p_process_presence_req(struct p2p_data *p2p, const u8 *da,
46 const u8 *sa, const u8 *data, size_t len,
47 int rx_freq);
48 static void p2p_process_presence_resp(struct p2p_data *p2p, const u8 *da,
49 const u8 *sa, const u8 *data,
50 size_t len);
51
52 #if !defined(CONFIG_OPEN_HARMONY_PATCH) || !defined(CONFIG_MIRACAST_SINK_OPT)
53 static void p2p_ext_listen_timeout(void *eloop_ctx, void *timeout_ctx);
54 #endif
55 static void p2p_scan_timeout(void *eloop_ctx, void *timeout_ctx);
56
57
58 /*
59 * p2p_scan recovery timeout
60 *
61 * Many drivers are using 30 second timeout on scan results. Allow a bit larger
62 * timeout for this to avoid hitting P2P timeout unnecessarily.
63 */
64 #define P2P_SCAN_TIMEOUT 35
65
66 /**
67 * P2P_PEER_EXPIRATION_AGE - Number of seconds after which inactive peer
68 * entries will be removed
69 */
70 #ifndef P2P_PEER_EXPIRATION_AGE
71 #define P2P_PEER_EXPIRATION_AGE 60
72 #endif /* P2P_PEER_EXPIRATION_AGE */
73
74 #ifdef OPEN_HARMONY_P2P_ONEHOP_FIND
75 #define ONEHOP_LISTEHTIME_USEC (20 * 1000)
76 #endif
77
78 #ifdef CONFIG_OHOS_P2P
79 #define P2P_CONNECT_TIMEOUT_USEC (200 *10000)
80 #endif
81
82 #ifdef HARMONY_P2P_CONNECTIVITY_PATCH
83 #define P2P_CONNECT_TIMEOUT_MAX_USEC (200 * 10000)
84 #else
85 #define P2P_CONNECT_TIMEOUT_DEFAULT_USEC (500 * 1000)
86 #endif
87
88 #define P2P_CONNECT_TIMEOUT_MIN_USEC (100 * 1000)
89
90 #ifdef CONFIG_OPEN_HARMONY_P2P_DEV_NOTIFY
91 struct wpabuf *g_pvt_wfd_elems = NULL;
92
is_pvt_wfd_elems_valid()93 int is_pvt_wfd_elems_valid()
94 {
95 return g_pvt_wfd_elems != NULL;
96 }
97
wfd_add_pvt_elem_hex(char ** wfd_dev_info_hex)98 void wfd_add_pvt_elem_hex(char **wfd_dev_info_hex)
99 {
100 wifi_display_add_pvt_elem_hex(g_pvt_wfd_elems, wfd_dev_info_hex);
101 }
102
get_pvt_wfd_elems(const u8 * ies,size_t ies_len)103 static void get_pvt_wfd_elems(const u8 *ies, size_t ies_len)
104 {
105 p2p_get_pvt_wfd_elems(&g_pvt_wfd_elems, ies, ies_len);
106 }
107
free_pvt_wfd_elems()108 static void free_pvt_wfd_elems()
109 {
110 wpabuf_free(g_pvt_wfd_elems);
111 g_pvt_wfd_elems = NULL;
112 }
113 #endif
114
p2p_expire_peers(struct p2p_data * p2p)115 void p2p_expire_peers(struct p2p_data *p2p)
116 {
117 struct p2p_device *dev, *n;
118 struct os_reltime now;
119 size_t i;
120
121 os_get_reltime(&now);
122 dl_list_for_each_safe(dev, n, &p2p->devices, struct p2p_device, list) {
123 if (dev->last_seen.sec + P2P_PEER_EXPIRATION_AGE >= now.sec)
124 continue;
125
126 if (dev == p2p->go_neg_peer) {
127 /*
128 * GO Negotiation is in progress with the peer, so
129 * don't expire the peer entry until GO Negotiation
130 * fails or times out.
131 */
132 continue;
133 }
134
135 if (p2p->cfg->go_connected &&
136 p2p->cfg->go_connected(p2p->cfg->cb_ctx,
137 dev->info.p2p_device_addr)) {
138 /*
139 * We are connected as a client to a group in which the
140 * peer is the GO, so do not expire the peer entry.
141 */
142 os_get_reltime(&dev->last_seen);
143 continue;
144 }
145
146 for (i = 0; i < p2p->num_groups; i++) {
147 if (p2p_group_is_client_connected(
148 p2p->groups[i], dev->info.p2p_device_addr))
149 break;
150 }
151 if (i < p2p->num_groups) {
152 /*
153 * The peer is connected as a client in a group where
154 * we are the GO, so do not expire the peer entry.
155 */
156 os_get_reltime(&dev->last_seen);
157 continue;
158 }
159
160 p2p_dbg(p2p, "Expiring old peer entry " MACSTR_SEC,
161 MAC2STR_SEC(dev->info.p2p_device_addr));
162 dl_list_del(&dev->list);
163 p2p_device_free(p2p, dev);
164 }
165 }
166
167
p2p_state_txt(int state)168 static const char * p2p_state_txt(int state)
169 {
170 switch (state) {
171 case P2P_IDLE:
172 return "IDLE";
173 case P2P_SEARCH:
174 return "SEARCH";
175 case P2P_CONNECT:
176 return "CONNECT";
177 case P2P_CONNECT_LISTEN:
178 return "CONNECT_LISTEN";
179 case P2P_GO_NEG:
180 return "GO_NEG";
181 case P2P_LISTEN_ONLY:
182 return "LISTEN_ONLY";
183 case P2P_WAIT_PEER_CONNECT:
184 return "WAIT_PEER_CONNECT";
185 case P2P_WAIT_PEER_IDLE:
186 return "WAIT_PEER_IDLE";
187 case P2P_SD_DURING_FIND:
188 return "SD_DURING_FIND";
189 case P2P_PROVISIONING:
190 return "PROVISIONING";
191 case P2P_PD_DURING_FIND:
192 return "PD_DURING_FIND";
193 case P2P_INVITE:
194 return "INVITE";
195 case P2P_INVITE_LISTEN:
196 return "INVITE_LISTEN";
197 default:
198 return "?";
199 }
200 }
201
202
p2p_get_state_txt(struct p2p_data * p2p)203 const char * p2p_get_state_txt(struct p2p_data *p2p)
204 {
205 return p2p_state_txt(p2p->state);
206 }
207
208
p2p_get_p2ps_adv_list(struct p2p_data * p2p)209 struct p2ps_advertisement * p2p_get_p2ps_adv_list(struct p2p_data *p2p)
210 {
211 return p2p ? p2p->p2ps_adv_list : NULL;
212 }
213
214
p2p_set_intended_addr(struct p2p_data * p2p,const u8 * intended_addr)215 void p2p_set_intended_addr(struct p2p_data *p2p, const u8 *intended_addr)
216 {
217 if (p2p && intended_addr)
218 os_memcpy(p2p->intended_addr, intended_addr, ETH_ALEN);
219 }
220
221
p2p_get_provisioning_info(struct p2p_data * p2p,const u8 * addr)222 u16 p2p_get_provisioning_info(struct p2p_data *p2p, const u8 *addr)
223 {
224 struct p2p_device *dev = NULL;
225
226 if (!addr || !p2p)
227 return 0;
228
229 dev = p2p_get_device(p2p, addr);
230 if (dev)
231 return dev->wps_prov_info;
232 else
233 return 0;
234 }
235
236
p2p_clear_provisioning_info(struct p2p_data * p2p,const u8 * addr)237 void p2p_clear_provisioning_info(struct p2p_data *p2p, const u8 *addr)
238 {
239 struct p2p_device *dev = NULL;
240
241 if (!addr || !p2p)
242 return;
243
244 dev = p2p_get_device(p2p, addr);
245 if (dev)
246 dev->wps_prov_info = 0;
247 }
248
249
p2p_set_state(struct p2p_data * p2p,int new_state)250 void p2p_set_state(struct p2p_data *p2p, int new_state)
251 {
252 p2p_info(p2p, "State %s -> %s",
253 p2p_state_txt(p2p->state), p2p_state_txt(new_state));
254 p2p->state = new_state;
255
256 if (new_state == P2P_IDLE && p2p->pending_channel) {
257 p2p_dbg(p2p, "Apply change in listen channel");
258 p2p->cfg->reg_class = p2p->pending_reg_class;
259 p2p->cfg->channel = p2p->pending_channel;
260 p2p->pending_reg_class = 0;
261 p2p->pending_channel = 0;
262 }
263 }
264
265
p2p_set_timeout(struct p2p_data * p2p,unsigned int sec,unsigned int usec)266 void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec, unsigned int usec)
267 {
268 p2p_info(p2p, "Set timeout (state=%s): %u.%06u sec",
269 p2p_state_txt(p2p->state), sec, usec);
270 eloop_cancel_timeout(p2p_state_timeout, p2p, NULL);
271 eloop_register_timeout(sec, usec, p2p_state_timeout, p2p, NULL);
272 }
273
274
p2p_clear_timeout(struct p2p_data * p2p)275 void p2p_clear_timeout(struct p2p_data *p2p)
276 {
277 p2p_dbg(p2p, "Clear timeout (state=%s)", p2p_state_txt(p2p->state));
278 eloop_cancel_timeout(p2p_state_timeout, p2p, NULL);
279 }
280
281
p2p_go_neg_failed(struct p2p_data * p2p,int status)282 void p2p_go_neg_failed(struct p2p_data *p2p, int status)
283 {
284 struct p2p_go_neg_results res;
285 struct p2p_device *peer = p2p->go_neg_peer;
286
287 if (!peer)
288 return;
289
290 eloop_cancel_timeout(p2p_go_neg_wait_timeout, p2p, NULL);
291 if (p2p->state != P2P_SEARCH) {
292 /*
293 * Clear timeouts related to GO Negotiation if no new p2p_find
294 * has been started.
295 */
296 p2p_clear_timeout(p2p);
297 p2p_set_state(p2p, P2P_IDLE);
298 }
299
300 peer->flags &= ~P2P_DEV_PEER_WAITING_RESPONSE;
301 peer->wps_method = WPS_NOT_READY;
302 peer->oob_pw_id = 0;
303 #ifdef CONFIG_P2P_USER_REJECT
304 if (p2p->go_neg_peer->flags & P2P_DEV_USER_REJECTED) {
305 p2p_dbg(p2p, "Clear p2p_reject info p2p state=%s, peer->status=%d",
306 p2p_state_txt(p2p->state), p2p->go_neg_peer->status);
307 p2p->go_neg_peer->flags &= ~P2P_DEV_USER_REJECTED;
308 p2p->go_neg_peer->status = P2P_SC_SUCCESS;
309 }
310 #endif
311 wpabuf_free(peer->go_neg_conf);
312 peer->go_neg_conf = NULL;
313 p2p->go_neg_peer = NULL;
314
315 os_memset(&res, 0, sizeof(res));
316 res.status = status;
317 os_memcpy(res.peer_device_addr, peer->info.p2p_device_addr, ETH_ALEN);
318 os_memcpy(res.peer_interface_addr, peer->intended_addr, ETH_ALEN);
319 p2p->cfg->go_neg_completed(p2p->cfg->cb_ctx, &res);
320 }
321
322
p2p_listen_in_find(struct p2p_data * p2p,int dev_disc)323 static void p2p_listen_in_find(struct p2p_data *p2p, int dev_disc)
324 {
325 unsigned int r, tu;
326 int freq;
327 struct wpabuf *ies;
328
329 p2p_dbg(p2p, "Starting short listen state (state=%s)",
330 p2p_state_txt(p2p->state));
331
332 if (p2p->pending_listen_freq) {
333 /* We have a pending p2p_listen request */
334 p2p_dbg(p2p, "p2p_listen command pending already");
335 return;
336 }
337
338 freq = p2p_channel_to_freq(p2p->cfg->reg_class, p2p->cfg->channel);
339 if (freq < 0) {
340 p2p_dbg(p2p, "Unknown regulatory class/channel");
341 return;
342 }
343
344 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
345 r = 0;
346 tu = (r % ((p2p->max_disc_int - p2p->min_disc_int) + 1) +
347 p2p->min_disc_int) * 100;
348 if (p2p->max_disc_tu >= 0 && tu > (unsigned int) p2p->max_disc_tu)
349 tu = p2p->max_disc_tu;
350 if (!dev_disc && tu < 100)
351 tu = 100; /* Need to wait in non-device discovery use cases */
352 if (p2p->cfg->max_listen && 1024 * tu / 1000 > p2p->cfg->max_listen)
353 tu = p2p->cfg->max_listen * 1000 / 1024;
354
355 if (tu == 0) {
356 p2p_dbg(p2p, "Skip listen state since duration was 0 TU");
357 p2p_set_timeout(p2p, 0, 0);
358 return;
359 }
360
361 ies = p2p_build_probe_resp_ies(p2p, NULL, 0);
362 if (ies == NULL)
363 return;
364
365 p2p->pending_listen_freq = freq;
366 p2p->pending_listen_sec = 0;
367 #ifdef OPEN_HARMONY_P2P_ONEHOP_FIND
368 p2p->pending_listen_usec = p2p->pvt_p2p_service ==
369 P2P_ONEHOP_FIND ? ONEHOP_LISTEHTIME_USEC : 1024 * tu;
370 #else
371 p2p->pending_listen_usec = 1024 * tu;
372 #endif
373
374 #ifdef OPEN_HARMONY_P2P_ONEHOP_FIND
375 if (p2p->cfg->start_listen(p2p->cfg->cb_ctx, freq,
376 p2p->pending_listen_usec / 1000, ies) < 0) {
377 #else
378 if (p2p->cfg->start_listen(p2p->cfg->cb_ctx, freq, 1024 * tu / 1000,
379 ies) < 0) {
380 #endif
381 p2p_dbg(p2p, "Failed to start listen mode");
382 p2p->pending_listen_freq = 0;
383 } else {
384 p2p->pending_listen_wait_drv = true;
385 }
386 wpabuf_free(ies);
387 }
388
389
390 int p2p_listen(struct p2p_data *p2p, unsigned int timeout)
391 {
392 int freq;
393 struct wpabuf *ies;
394
395 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
396 miracast_sink_log("P2P: Going to listen(only) state");
397 #else
398 p2p_dbg(p2p, "Going to listen(only) state");
399 #endif
400 if (p2p->pending_listen_freq) {
401 /* We have a pending p2p_listen request */
402 p2p_dbg(p2p, "p2p_listen command pending already");
403 return -1;
404 }
405
406 freq = p2p_channel_to_freq(p2p->cfg->reg_class, p2p->cfg->channel);
407 if (freq < 0) {
408 p2p_dbg(p2p, "Unknown regulatory class/channel");
409 return -1;
410 }
411
412 p2p->pending_listen_sec = timeout / 1000;
413 p2p->pending_listen_usec = (timeout % 1000) * 1000;
414
415 if (p2p->p2p_scan_running) {
416 if (p2p->start_after_scan == P2P_AFTER_SCAN_CONNECT) {
417 p2p_dbg(p2p, "p2p_scan running - connect is already pending - skip listen");
418 return 0;
419 }
420 p2p_dbg(p2p, "p2p_scan running - delay start of listen state");
421 p2p->start_after_scan = P2P_AFTER_SCAN_LISTEN;
422 return 0;
423 }
424
425 ies = p2p_build_probe_resp_ies(p2p, NULL, 0);
426 if (ies == NULL)
427 return -1;
428
429 p2p->pending_listen_freq = freq;
430
431 if (p2p->cfg->start_listen(p2p->cfg->cb_ctx, freq, timeout, ies) < 0) {
432 p2p_dbg(p2p, "Failed to start listen mode");
433 p2p->pending_listen_freq = 0;
434 wpabuf_free(ies);
435 return -1;
436 }
437 p2p->pending_listen_wait_drv = true;
438 wpabuf_free(ies);
439
440 p2p_set_state(p2p, P2P_LISTEN_ONLY);
441
442 return 0;
443 }
444
445
446 static void p2p_device_clear_reported(struct p2p_data *p2p)
447 {
448 struct p2p_device *dev;
449 dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
450 dev->flags &= ~P2P_DEV_REPORTED;
451 dev->sd_reqs = 0;
452 }
453 }
454
455
456 /**
457 * p2p_get_device - Fetch a peer entry
458 * @p2p: P2P module context from p2p_init()
459 * @addr: P2P Device Address of the peer
460 * Returns: Pointer to the device entry or %NULL if not found
461 */
462 struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr)
463 {
464 struct p2p_device *dev;
465 dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
466 if (ether_addr_equal(dev->info.p2p_device_addr, addr))
467 return dev;
468 }
469 return NULL;
470 }
471
472
473 /**
474 * p2p_get_device_interface - Fetch a peer entry based on P2P Interface Address
475 * @p2p: P2P module context from p2p_init()
476 * @addr: P2P Interface Address of the peer
477 * Returns: Pointer to the device entry or %NULL if not found
478 */
479 struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
480 const u8 *addr)
481 {
482 struct p2p_device *dev;
483 dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
484 if (ether_addr_equal(dev->interface_addr, addr))
485 return dev;
486 }
487 return NULL;
488 }
489
490
491 /**
492 * p2p_create_device - Create a peer entry
493 * @p2p: P2P module context from p2p_init()
494 * @addr: P2P Device Address of the peer
495 * Returns: Pointer to the device entry or %NULL on failure
496 *
497 * If there is already an entry for the peer, it will be returned instead of
498 * creating a new one.
499 */
500 static struct p2p_device * p2p_create_device(struct p2p_data *p2p,
501 const u8 *addr)
502 {
503 struct p2p_device *dev, *oldest = NULL;
504 size_t count = 0;
505
506 dev = p2p_get_device(p2p, addr);
507 if (dev)
508 return dev;
509
510 dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
511 count++;
512 if (oldest == NULL ||
513 os_reltime_before(&dev->last_seen, &oldest->last_seen))
514 oldest = dev;
515 }
516 if (count + 1 > p2p->cfg->max_peers && oldest) {
517 p2p_dbg(p2p,
518 "Remove oldest peer entry to make room for a new peer "
519 MACSTR_SEC, MAC2STR_SEC(oldest->info.p2p_device_addr));
520 dl_list_del(&oldest->list);
521 p2p_device_free(p2p, oldest);
522 }
523
524 dev = os_zalloc(sizeof(*dev));
525 if (dev == NULL)
526 return NULL;
527 dl_list_add(&p2p->devices, &dev->list);
528 os_memcpy(dev->info.p2p_device_addr, addr, ETH_ALEN);
529 dev->support_6ghz = false;
530
531 return dev;
532 }
533
534
535 static void p2p_copy_client_info(struct p2p_device *dev,
536 struct p2p_client_info *cli)
537 {
538 p2p_copy_filter_devname(dev->info.device_name,
539 sizeof(dev->info.device_name),
540 cli->dev_name, cli->dev_name_len);
541 dev->info.dev_capab = cli->dev_capab;
542 dev->info.config_methods = cli->config_methods;
543 os_memcpy(dev->info.pri_dev_type, cli->pri_dev_type, 8);
544 dev->info.wps_sec_dev_type_list_len = 8 * cli->num_sec_dev_types;
545 if (dev->info.wps_sec_dev_type_list_len > WPS_SEC_DEV_TYPE_MAX_LEN)
546 dev->info.wps_sec_dev_type_list_len = WPS_SEC_DEV_TYPE_MAX_LEN;
547 os_memcpy(dev->info.wps_sec_dev_type_list, cli->sec_dev_types,
548 dev->info.wps_sec_dev_type_list_len);
549 }
550
551
552 static int p2p_add_group_clients(struct p2p_data *p2p, const u8 *go_dev_addr,
553 const u8 *go_interface_addr, int freq,
554 const u8 *gi, size_t gi_len,
555 struct os_reltime *rx_time)
556 {
557 struct p2p_group_info info;
558 size_t c;
559 struct p2p_device *dev;
560
561 if (gi == NULL)
562 return 0;
563
564 if (p2p_group_info_parse(gi, gi_len, &info) < 0)
565 return -1;
566
567 /*
568 * Clear old data for this group; if the devices are still in the
569 * group, the information will be restored in the loop following this.
570 */
571 dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
572 if (ether_addr_equal(dev->member_in_go_iface,
573 go_interface_addr)) {
574 os_memset(dev->member_in_go_iface, 0, ETH_ALEN);
575 os_memset(dev->member_in_go_dev, 0, ETH_ALEN);
576 }
577 }
578
579 for (c = 0; c < info.num_clients; c++) {
580 struct p2p_client_info *cli = &info.client[c];
581 if (ether_addr_equal(cli->p2p_device_addr, p2p->cfg->dev_addr))
582 continue; /* ignore our own entry */
583 dev = p2p_get_device(p2p, cli->p2p_device_addr);
584 if (dev) {
585 if (dev->flags & (P2P_DEV_GROUP_CLIENT_ONLY |
586 P2P_DEV_PROBE_REQ_ONLY)) {
587 /*
588 * Update information since we have not
589 * received this directly from the client.
590 */
591 p2p_copy_client_info(dev, cli);
592 } else {
593 /*
594 * Need to update P2P Client Discoverability
595 * flag since it is valid only in P2P Group
596 * Info attribute.
597 */
598 dev->info.dev_capab &=
599 ~P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY;
600 dev->info.dev_capab |=
601 cli->dev_capab &
602 P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY;
603 }
604 if (dev->flags & P2P_DEV_PROBE_REQ_ONLY) {
605 dev->flags &= ~P2P_DEV_PROBE_REQ_ONLY;
606 }
607 } else {
608 dev = p2p_create_device(p2p, cli->p2p_device_addr);
609 if (dev == NULL)
610 continue;
611 dev->flags |= P2P_DEV_GROUP_CLIENT_ONLY;
612 p2p_copy_client_info(dev, cli);
613 dev->oper_freq = freq;
614 p2p->cfg->dev_found(p2p->cfg->cb_ctx,
615 dev->info.p2p_device_addr,
616 &dev->info, 1);
617 dev->flags |= P2P_DEV_REPORTED | P2P_DEV_REPORTED_ONCE;
618 }
619
620 os_memcpy(dev->interface_addr, cli->p2p_interface_addr,
621 ETH_ALEN);
622 os_memcpy(&dev->last_seen, rx_time, sizeof(struct os_reltime));
623 os_memcpy(dev->member_in_go_dev, go_dev_addr, ETH_ALEN);
624 os_memcpy(dev->member_in_go_iface, go_interface_addr,
625 ETH_ALEN);
626 dev->flags |= P2P_DEV_LAST_SEEN_AS_GROUP_CLIENT;
627 }
628
629 return 0;
630 }
631
632
633 static void p2p_copy_wps_info(struct p2p_data *p2p, struct p2p_device *dev,
634 int probe_req, const struct p2p_message *msg)
635 {
636 os_memcpy(dev->info.device_name, msg->device_name,
637 sizeof(dev->info.device_name));
638
639 if (msg->manufacturer &&
640 msg->manufacturer_len < sizeof(dev->info.manufacturer)) {
641 os_memset(dev->info.manufacturer, 0,
642 sizeof(dev->info.manufacturer));
643 os_memcpy(dev->info.manufacturer, msg->manufacturer,
644 msg->manufacturer_len);
645 }
646
647 if (msg->model_name &&
648 msg->model_name_len < sizeof(dev->info.model_name)) {
649 os_memset(dev->info.model_name, 0,
650 sizeof(dev->info.model_name));
651 os_memcpy(dev->info.model_name, msg->model_name,
652 msg->model_name_len);
653 }
654
655 if (msg->model_number &&
656 msg->model_number_len < sizeof(dev->info.model_number)) {
657 os_memset(dev->info.model_number, 0,
658 sizeof(dev->info.model_number));
659 os_memcpy(dev->info.model_number, msg->model_number,
660 msg->model_number_len);
661 }
662
663 if (msg->serial_number &&
664 msg->serial_number_len < sizeof(dev->info.serial_number)) {
665 os_memset(dev->info.serial_number, 0,
666 sizeof(dev->info.serial_number));
667 os_memcpy(dev->info.serial_number, msg->serial_number,
668 msg->serial_number_len);
669 }
670
671 if (msg->pri_dev_type)
672 os_memcpy(dev->info.pri_dev_type, msg->pri_dev_type,
673 sizeof(dev->info.pri_dev_type));
674 else if (msg->wps_pri_dev_type)
675 os_memcpy(dev->info.pri_dev_type, msg->wps_pri_dev_type,
676 sizeof(dev->info.pri_dev_type));
677
678 if (msg->wps_sec_dev_type_list) {
679 os_memcpy(dev->info.wps_sec_dev_type_list,
680 msg->wps_sec_dev_type_list,
681 msg->wps_sec_dev_type_list_len);
682 dev->info.wps_sec_dev_type_list_len =
683 msg->wps_sec_dev_type_list_len;
684 }
685
686 if (msg->capability) {
687 /*
688 * P2P Client Discoverability bit is reserved in all frames
689 * that use this function, so do not change its value here.
690 */
691 dev->info.dev_capab &= P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY;
692 dev->info.dev_capab |= msg->capability[0] &
693 ~P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY;
694 dev->info.group_capab = msg->capability[1];
695 }
696
697 p2p_update_peer_6ghz_capab(dev, msg);
698
699 if (msg->ext_listen_timing) {
700 dev->ext_listen_period = WPA_GET_LE16(msg->ext_listen_timing);
701 dev->ext_listen_interval =
702 WPA_GET_LE16(msg->ext_listen_timing + 2);
703 }
704
705 if (!probe_req) {
706 u16 new_config_methods;
707 new_config_methods = msg->config_methods ?
708 msg->config_methods : msg->wps_config_methods;
709 if (new_config_methods &&
710 dev->info.config_methods != new_config_methods) {
711 p2p_dbg(p2p, "Update peer " MACSTR_SEC
712 " config_methods 0x%x -> 0x%x",
713 MAC2STR_SEC(dev->info.p2p_device_addr),
714 dev->info.config_methods,
715 new_config_methods);
716 dev->info.config_methods = new_config_methods;
717 }
718 }
719 }
720
721
722 void p2p_update_peer_6ghz_capab(struct p2p_device *dev,
723 const struct p2p_message *msg)
724 {
725 if (msg->capability &&
726 (msg->capability[0] & P2P_DEV_CAPAB_6GHZ_BAND_CAPABLE))
727 dev->support_6ghz = true;
728 }
729
730
731 static void p2p_update_peer_vendor_elems(struct p2p_device *dev, const u8 *ies,
732 size_t ies_len)
733 {
734 const u8 *pos, *end;
735 u8 id, len;
736
737 wpabuf_free(dev->info.vendor_elems);
738 dev->info.vendor_elems = NULL;
739
740 end = ies + ies_len;
741
742 for (pos = ies; end - pos > 1; pos += len) {
743 id = *pos++;
744 len = *pos++;
745
746 if (len > end - pos)
747 break;
748
749 if (id != WLAN_EID_VENDOR_SPECIFIC || len < 3)
750 continue;
751
752 if (len >= 4) {
753 u32 type = WPA_GET_BE32(pos);
754
755 if (type == WPA_IE_VENDOR_TYPE ||
756 type == WMM_IE_VENDOR_TYPE ||
757 type == WPS_IE_VENDOR_TYPE ||
758 type == P2P_IE_VENDOR_TYPE ||
759 type == WFD_IE_VENDOR_TYPE)
760 continue;
761 }
762
763 /* Unknown vendor element - make raw IE data available */
764 if (wpabuf_resize(&dev->info.vendor_elems, 2 + len) < 0)
765 break;
766 wpabuf_put_data(dev->info.vendor_elems, pos - 2, 2 + len);
767 if (wpabuf_size(dev->info.vendor_elems) > 2000)
768 break;
769 }
770 }
771
772
773 static int p2p_compare_wfd_info(struct p2p_device *dev,
774 const struct p2p_message *msg)
775 {
776 if (dev->info.wfd_subelems && msg->wfd_subelems) {
777 if (dev->info.wfd_subelems->used != msg->wfd_subelems->used)
778 return 1;
779
780 return os_memcmp(dev->info.wfd_subelems->buf,
781 msg->wfd_subelems->buf,
782 dev->info.wfd_subelems->used);
783 }
784 if (dev->info.wfd_subelems || msg->wfd_subelems)
785 return 1;
786
787 return 0;
788 }
789
790
791 /**
792 * p2p_add_device - Add peer entries based on scan results or P2P frames
793 * @p2p: P2P module context from p2p_init()
794 * @addr: Source address of Beacon or Probe Response frame (may be either
795 * P2P Device Address or P2P Interface Address)
796 * @level: Signal level (signal strength of the received frame from the peer)
797 * @freq: Frequency on which the Beacon or Probe Response frame was received
798 * @rx_time: Time when the result was received
799 * @ies: IEs from the Beacon or Probe Response frame
800 * @ies_len: Length of ies buffer in octets
801 * @scan_res: Whether this was based on scan results
802 * Returns: 0 on success, -1 on failure
803 *
804 * If the scan result is for a GO, the clients in the group will also be added
805 * to the peer table. This function can also be used with some other frames
806 * like Provision Discovery Request that contains P2P Capability and P2P Device
807 * Info attributes.
808 */
809 int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq,
810 struct os_reltime *rx_time, int level, const u8 *ies,
811 size_t ies_len, int scan_res)
812 {
813 struct p2p_device *dev;
814 struct p2p_message msg;
815 const u8 *p2p_dev_addr;
816 int wfd_changed;
817 int dev_name_changed;
818 int i;
819 struct os_reltime time_now;
820
821 os_memset(&msg, 0, sizeof(msg));
822 if (p2p_parse_ies(ies, ies_len, &msg)) {
823 p2p_dbg(p2p, "Failed to parse P2P IE for a device entry");
824 p2p_parse_free(&msg);
825 return -1;
826 }
827
828 if (msg.p2p_device_addr)
829 p2p_dev_addr = msg.p2p_device_addr;
830 else if (msg.device_id)
831 p2p_dev_addr = msg.device_id;
832 else {
833 p2p_dbg(p2p, "Ignore scan data without P2P Device Info or P2P Device Id");
834 p2p_parse_free(&msg);
835 return -1;
836 }
837
838 if (!is_zero_ether_addr(p2p->peer_filter) &&
839 !ether_addr_equal(p2p_dev_addr, p2p->peer_filter)) {
840 p2p_dbg(p2p, "Do not add peer filter for " MACSTR_SEC
841 " due to peer filter", MAC2STR_SEC(p2p_dev_addr));
842 p2p_parse_free(&msg);
843 return 0;
844 }
845
846 dev = p2p_create_device(p2p, p2p_dev_addr);
847 if (dev == NULL) {
848 p2p_parse_free(&msg);
849 return -1;
850 }
851
852 if (rx_time == NULL) {
853 os_get_reltime(&time_now);
854 rx_time = &time_now;
855 }
856
857 /*
858 * Update the device entry only if the new peer
859 * entry is newer than the one previously stored, or if
860 * the device was previously seen as a P2P Client in a group
861 * and the new entry isn't older than a threshold.
862 */
863 if (dev->last_seen.sec > 0 &&
864 os_reltime_before(rx_time, &dev->last_seen) &&
865 (!(dev->flags & P2P_DEV_LAST_SEEN_AS_GROUP_CLIENT) ||
866 os_reltime_expired(&dev->last_seen, rx_time,
867 P2P_DEV_GROUP_CLIENT_RESP_THRESHOLD))) {
868 p2p_dbg(p2p,
869 "Do not update peer entry based on old frame (rx_time=%u.%06u last_seen=%u.%06u flags=0x%x)",
870 (unsigned int) rx_time->sec,
871 (unsigned int) rx_time->usec,
872 (unsigned int) dev->last_seen.sec,
873 (unsigned int) dev->last_seen.usec,
874 dev->flags);
875 p2p_parse_free(&msg);
876 return -1;
877 }
878
879 os_memcpy(&dev->last_seen, rx_time, sizeof(struct os_reltime));
880
881 dev->flags &= ~(P2P_DEV_PROBE_REQ_ONLY | P2P_DEV_GROUP_CLIENT_ONLY |
882 P2P_DEV_LAST_SEEN_AS_GROUP_CLIENT);
883
884 if (!ether_addr_equal(addr, p2p_dev_addr))
885 os_memcpy(dev->interface_addr, addr, ETH_ALEN);
886 if (msg.ssid &&
887 msg.ssid[1] <= sizeof(dev->oper_ssid) &&
888 (msg.ssid[1] != P2P_WILDCARD_SSID_LEN ||
889 os_memcmp(msg.ssid + 2, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN)
890 != 0)) {
891 os_memcpy(dev->oper_ssid, msg.ssid + 2, msg.ssid[1]);
892 dev->oper_ssid_len = msg.ssid[1];
893 }
894
895 wpabuf_free(dev->info.p2ps_instance);
896 dev->info.p2ps_instance = NULL;
897 if (msg.adv_service_instance && msg.adv_service_instance_len)
898 dev->info.p2ps_instance = wpabuf_alloc_copy(
899 msg.adv_service_instance, msg.adv_service_instance_len);
900
901 if (freq >= 2412 && freq <= 2484 && msg.ds_params &&
902 *msg.ds_params >= 1 && *msg.ds_params <= 14) {
903 int ds_freq;
904 if (*msg.ds_params == 14)
905 ds_freq = 2484;
906 else
907 ds_freq = 2407 + *msg.ds_params * 5;
908 if (freq != ds_freq) {
909 p2p_dbg(p2p, "Update Listen frequency based on DS Parameter Set IE: %d -> %d MHz",
910 freq, ds_freq);
911 freq = ds_freq;
912 }
913 }
914
915 if (dev->listen_freq && dev->listen_freq != freq && scan_res) {
916 p2p_dbg(p2p, "Update Listen frequency based on scan results ("
917 MACSTR_SEC " %d -> %d MHz (DS param %d)",
918 MAC2STR_SEC(dev->info.p2p_device_addr), dev->listen_freq,
919 freq, msg.ds_params ? *msg.ds_params : -1);
920 }
921 if (scan_res) {
922 dev->listen_freq = freq;
923 if (msg.group_info)
924 dev->oper_freq = freq;
925 }
926 dev->info.level = level;
927
928 dev_name_changed = os_strncmp(dev->info.device_name, msg.device_name,
929 WPS_DEV_NAME_MAX_LEN) != 0;
930
931 p2p_copy_wps_info(p2p, dev, 0, &msg);
932
933 for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
934 wpabuf_free(dev->info.wps_vendor_ext[i]);
935 dev->info.wps_vendor_ext[i] = NULL;
936 }
937
938 for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
939 if (msg.wps_vendor_ext[i] == NULL)
940 break;
941 dev->info.wps_vendor_ext[i] = wpabuf_alloc_copy(
942 msg.wps_vendor_ext[i], msg.wps_vendor_ext_len[i]);
943 if (dev->info.wps_vendor_ext[i] == NULL)
944 break;
945 }
946
947 wfd_changed = p2p_compare_wfd_info(dev, &msg);
948
949 if (wfd_changed) {
950 wpabuf_free(dev->info.wfd_subelems);
951 if (msg.wfd_subelems)
952 dev->info.wfd_subelems = wpabuf_dup(msg.wfd_subelems);
953 else
954 dev->info.wfd_subelems = NULL;
955 }
956
957 if (scan_res) {
958 p2p_add_group_clients(p2p, p2p_dev_addr, addr, freq,
959 msg.group_info, msg.group_info_len,
960 rx_time);
961 }
962
963 p2p_parse_free(&msg);
964
965 p2p_update_peer_vendor_elems(dev, ies, ies_len);
966
967 if (dev->flags & P2P_DEV_REPORTED && !wfd_changed &&
968 !dev_name_changed &&
969 (!msg.adv_service_instance ||
970 (dev->flags & P2P_DEV_P2PS_REPORTED)))
971 return 0;
972
973 p2p_dbg(p2p, "Peer found with Listen frequency %d MHz (rx_time=%u.%06u)",
974 freq, (unsigned int) rx_time->sec,
975 (unsigned int) rx_time->usec);
976 if (dev->flags & P2P_DEV_USER_REJECTED) {
977 p2p_dbg(p2p, "Do not report rejected device");
978 return 0;
979 }
980
981 if (dev->info.config_methods == 0 &&
982 (freq == 2412 || freq == 2437 || freq == 2462)) {
983 /*
984 * If we have only seen a Beacon frame from a GO, we do not yet
985 * know what WPS config methods it supports. Since some
986 * applications use config_methods value from P2P-DEVICE-FOUND
987 * events, postpone reporting this peer until we've fully
988 * discovered its capabilities.
989 *
990 * At least for now, do this only if the peer was detected on
991 * one of the social channels since that peer can be easily be
992 * found again and there are no limitations of having to use
993 * passive scan on this channels, so this can be done through
994 * Probe Response frame that includes the config_methods
995 * information.
996 */
997 p2p_dbg(p2p, "Do not report peer " MACSTR_SEC
998 " with unknown config methods", MAC2STR_SEC(addr));
999 return 0;
1000 }
1001
1002 #ifdef CONFIG_OPEN_HARMONY_P2P_DEV_NOTIFY
1003 get_pvt_wfd_elems(ies, ies_len);
1004 #endif
1005
1006 p2p->cfg->dev_found(p2p->cfg->cb_ctx, addr, &dev->info,
1007 !(dev->flags & P2P_DEV_REPORTED_ONCE));
1008
1009 #ifdef CONFIG_OPEN_HARMONY_P2P_DEV_NOTIFY
1010 free_pvt_wfd_elems();
1011 #endif
1012
1013 dev->flags |= P2P_DEV_REPORTED | P2P_DEV_REPORTED_ONCE;
1014
1015 if (msg.adv_service_instance)
1016 dev->flags |= P2P_DEV_P2PS_REPORTED;
1017
1018 return 0;
1019 }
1020
1021
1022 static void p2p_device_free(struct p2p_data *p2p, struct p2p_device *dev)
1023 {
1024 int i;
1025
1026 if (p2p->go_neg_peer == dev) {
1027 /*
1028 * If GO Negotiation is in progress, report that it has failed.
1029 */
1030 p2p_go_neg_failed(p2p, -1);
1031 }
1032 if (p2p->invite_peer == dev)
1033 p2p->invite_peer = NULL;
1034 if (p2p->sd_peer == dev)
1035 p2p->sd_peer = NULL;
1036 if (p2p->pending_client_disc_go == dev)
1037 p2p->pending_client_disc_go = NULL;
1038
1039 /* dev_lost() device, but only if it was previously dev_found() */
1040 if (dev->flags & P2P_DEV_REPORTED_ONCE)
1041 p2p->cfg->dev_lost(p2p->cfg->cb_ctx,
1042 dev->info.p2p_device_addr);
1043
1044 for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
1045 wpabuf_free(dev->info.wps_vendor_ext[i]);
1046 dev->info.wps_vendor_ext[i] = NULL;
1047 }
1048
1049 wpabuf_free(dev->info.wfd_subelems);
1050 #ifdef CONFIG_OPEN_HARMONY_P2P_DEV_NOTIFY
1051 wpabuf_free(g_pvt_wfd_elems);
1052 #endif
1053 wpabuf_free(dev->info.vendor_elems);
1054 wpabuf_free(dev->go_neg_conf);
1055 wpabuf_free(dev->info.p2ps_instance);
1056
1057 os_free(dev);
1058 }
1059
1060
1061 static int p2p_get_next_prog_freq(struct p2p_data *p2p)
1062 {
1063 struct p2p_channels *c;
1064 struct p2p_reg_class *cla;
1065 size_t cl, ch;
1066 int found = 0;
1067 u8 reg_class;
1068 u8 channel;
1069 int freq;
1070
1071 c = &p2p->cfg->channels;
1072 for (cl = 0; cl < c->reg_classes; cl++) {
1073 cla = &c->reg_class[cl];
1074 if (cla->reg_class != p2p->last_prog_scan_class)
1075 continue;
1076 for (ch = 0; ch < cla->channels; ch++) {
1077 if (cla->channel[ch] == p2p->last_prog_scan_chan) {
1078 found = 1;
1079 break;
1080 }
1081 }
1082 if (found)
1083 break;
1084 }
1085
1086 if (!found) {
1087 /* Start from beginning */
1088 reg_class = c->reg_class[0].reg_class;
1089 channel = c->reg_class[0].channel[0];
1090 } else {
1091 /* Pick the next channel */
1092 ch++;
1093 if (ch == cla->channels) {
1094 cl++;
1095 if (cl == c->reg_classes)
1096 cl = 0;
1097 ch = 0;
1098 }
1099 reg_class = c->reg_class[cl].reg_class;
1100 channel = c->reg_class[cl].channel[ch];
1101 }
1102
1103 freq = p2p_channel_to_freq(reg_class, channel);
1104 p2p_dbg(p2p, "Next progressive search channel: reg_class %u channel %u -> %d MHz",
1105 reg_class, channel, freq);
1106 p2p->last_prog_scan_class = reg_class;
1107 p2p->last_prog_scan_chan = channel;
1108
1109 if (freq == 2412 || freq == 2437 || freq == 2462)
1110 return 0; /* No need to add social channels */
1111 return freq;
1112 }
1113
1114
1115 static void p2p_search(struct p2p_data *p2p)
1116 {
1117 int freq = 0;
1118 enum p2p_scan_type type;
1119 u16 pw_id = DEV_PW_DEFAULT;
1120 int res;
1121
1122 if (p2p->drv_in_listen) {
1123 p2p_dbg(p2p, "Driver is still in Listen state - wait for it to end before continuing");
1124 return;
1125 }
1126 p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
1127 p2p->pending_listen_wait_drv = false;
1128
1129 if (p2p->find_pending_full &&
1130 (p2p->find_type == P2P_FIND_PROGRESSIVE ||
1131 p2p->find_type == P2P_FIND_START_WITH_FULL)) {
1132 type = P2P_SCAN_FULL;
1133 p2p_dbg(p2p, "Starting search (pending full scan)");
1134 p2p->find_pending_full = 0;
1135 } else if ((p2p->find_type == P2P_FIND_PROGRESSIVE &&
1136 (freq = p2p_get_next_prog_freq(p2p)) > 0) ||
1137 (p2p->find_type == P2P_FIND_START_WITH_FULL &&
1138 (freq = p2p->find_specified_freq) > 0)) {
1139 type = P2P_SCAN_SOCIAL_PLUS_ONE;
1140 p2p_dbg(p2p, "Starting search (+ freq %u)", freq);
1141 #ifdef OPEN_HARMONY_P2P_ONEHOP_FIND
1142 } else if (p2p->pvt_p2p_service == P2P_ONEHOP_FIND) {
1143 type = P2P_SCAN_POSSIBLE_CHANNEL;
1144 p2p_dbg(p2p, "Starting onehop search");
1145
1146 #endif
1147 } else {
1148 type = P2P_SCAN_SOCIAL;
1149 p2p_dbg(p2p, "Starting search");
1150 }
1151
1152 res = p2p->cfg->p2p_scan(p2p->cfg->cb_ctx, type, freq,
1153 p2p->num_req_dev_types, p2p->req_dev_types,
1154 p2p->find_dev_id, pw_id, p2p->include_6ghz);
1155 if (res < 0) {
1156 p2p_dbg(p2p, "Scan request schedule failed");
1157 p2p_continue_find(p2p);
1158 }
1159 }
1160
1161
1162 static void p2p_find_timeout(void *eloop_ctx, void *timeout_ctx)
1163 {
1164 struct p2p_data *p2p = eloop_ctx;
1165 p2p_dbg(p2p, "Find timeout -> stop");
1166 p2p_stop_find(p2p);
1167 }
1168
1169
1170 void p2p_notify_scan_trigger_status(struct p2p_data *p2p, int status)
1171 {
1172 if (status != 0) {
1173 p2p_dbg(p2p, "Scan request failed");
1174 /* Do continue find even for the first p2p_find_scan */
1175 #ifdef HARMONY_P2P_CONNECTIVITY_PATCH
1176 if (p2p->state == P2P_SEARCH)
1177 p2p_continue_find(p2p);
1178 #else
1179 p2p_continue_find(p2p);
1180 #endif
1181 } else {
1182 p2p_dbg(p2p, "Running p2p_scan");
1183 p2p->p2p_scan_running = 1;
1184 eloop_cancel_timeout(p2p_scan_timeout, p2p, NULL);
1185 eloop_register_timeout(P2P_SCAN_TIMEOUT, 0, p2p_scan_timeout,
1186 p2p, NULL);
1187 }
1188 }
1189
1190
1191 static int p2p_run_after_scan(struct p2p_data *p2p)
1192 {
1193 struct p2p_device *dev;
1194 enum p2p_after_scan op;
1195
1196 op = p2p->start_after_scan;
1197 p2p->start_after_scan = P2P_AFTER_SCAN_NOTHING;
1198 switch (op) {
1199 case P2P_AFTER_SCAN_NOTHING:
1200 break;
1201 case P2P_AFTER_SCAN_LISTEN:
1202 p2p_dbg(p2p, "Start previously requested Listen state");
1203 p2p_listen(p2p, p2p->pending_listen_sec * 1000 +
1204 p2p->pending_listen_usec / 1000);
1205 return 1;
1206 case P2P_AFTER_SCAN_CONNECT:
1207 p2p_dbg(p2p, "Start previously requested connect with " MACSTR_SEC,
1208 MAC2STR_SEC(p2p->after_scan_peer));
1209 dev = p2p_get_device(p2p, p2p->after_scan_peer);
1210 if (dev == NULL) {
1211 p2p_dbg(p2p, "Peer not known anymore");
1212 break;
1213 }
1214 p2p_connect_send(p2p, dev);
1215 return 1;
1216 #ifdef CONFIG_OPEN_HARMONY_SPECIFIC_P2P_FIND
1217 case P2P_AFTER_SCAN_FULL_SCAN:
1218 p2p_search(p2p);
1219 return 1;
1220 #endif
1221 }
1222
1223 return 0;
1224 }
1225
1226
1227 static void p2p_scan_timeout(void *eloop_ctx, void *timeout_ctx)
1228 {
1229 struct p2p_data *p2p = eloop_ctx;
1230 int running;
1231 p2p_dbg(p2p, "p2p_scan timeout (running=%d)", p2p->p2p_scan_running);
1232 running = p2p->p2p_scan_running;
1233 /* Make sure we recover from missed scan results callback */
1234 p2p->p2p_scan_running = 0;
1235
1236 if (running)
1237 p2p_run_after_scan(p2p);
1238 }
1239
1240
1241 static void p2p_free_req_dev_types(struct p2p_data *p2p)
1242 {
1243 p2p->num_req_dev_types = 0;
1244 os_free(p2p->req_dev_types);
1245 p2p->req_dev_types = NULL;
1246 }
1247
1248
1249 static int p2ps_gen_hash(struct p2p_data *p2p, const char *str, u8 *hash)
1250 {
1251 u8 buf[SHA256_MAC_LEN];
1252 char str_buf[256];
1253 const u8 *adv_array;
1254 size_t i, adv_len;
1255
1256 if (!str || !hash)
1257 return 0;
1258
1259 if (!str[0]) {
1260 os_memcpy(hash, p2p->wild_card_hash, P2PS_HASH_LEN);
1261 return 1;
1262 }
1263
1264 adv_array = (u8 *) str_buf;
1265 adv_len = os_strlen(str);
1266 if (adv_len >= sizeof(str_buf))
1267 return 0;
1268
1269 for (i = 0; i < adv_len; i++) {
1270 if (str[i] >= 'A' && str[i] <= 'Z')
1271 str_buf[i] = str[i] - 'A' + 'a';
1272 else
1273 str_buf[i] = str[i];
1274 }
1275
1276 if (sha256_vector(1, &adv_array, &adv_len, buf))
1277 return 0;
1278
1279 os_memcpy(hash, buf, P2PS_HASH_LEN);
1280 return 1;
1281 }
1282
1283
1284 int p2p_find(struct p2p_data *p2p, unsigned int timeout,
1285 enum p2p_discovery_type type,
1286 unsigned int num_req_dev_types, const u8 *req_dev_types,
1287 const u8 *dev_id, unsigned int search_delay,
1288 u8 seek_count, const char **seek, int freq, bool include_6ghz)
1289 {
1290 int res;
1291 struct os_reltime start;
1292
1293 #ifdef CONFIG_OPEN_HARMONY_SPECIFIC_P2P_FIND
1294 struct wpa_supplicant *wpa_s = NULL;
1295 #endif
1296
1297 p2p_dbg(p2p, "Starting find (type=%d)", type);
1298 if (p2p->p2p_scan_running) {
1299 p2p_dbg(p2p, "p2p_scan is already running");
1300 }
1301
1302 p2p_free_req_dev_types(p2p);
1303 if (req_dev_types && num_req_dev_types) {
1304 p2p->req_dev_types = os_memdup(req_dev_types,
1305 num_req_dev_types *
1306 WPS_DEV_TYPE_LEN);
1307 if (p2p->req_dev_types == NULL)
1308 return -1;
1309 p2p->num_req_dev_types = num_req_dev_types;
1310 }
1311
1312 if (dev_id) {
1313 os_memcpy(p2p->find_dev_id_buf, dev_id, ETH_ALEN);
1314 p2p->find_dev_id = p2p->find_dev_id_buf;
1315 } else
1316 p2p->find_dev_id = NULL;
1317 p2p->include_6ghz = p2p_wfd_enabled(p2p) && include_6ghz;
1318 if (seek_count == 0 || !seek) {
1319 /* Not an ASP search */
1320 p2p->p2ps_seek = 0;
1321 } else if (seek_count == 1 && seek && (!seek[0] || !seek[0][0])) {
1322 /*
1323 * An empty seek string means no hash values, but still an ASP
1324 * search.
1325 */
1326 p2p_dbg(p2p, "ASP search");
1327 p2p->p2ps_seek_count = 0;
1328 p2p->p2ps_seek = 1;
1329 } else if (seek && seek_count <= P2P_MAX_QUERY_HASH) {
1330 u8 buf[P2PS_HASH_LEN];
1331 int i, count = 0;
1332
1333 for (i = 0; i < seek_count; i++) {
1334 if (!p2ps_gen_hash(p2p, seek[i], buf))
1335 continue;
1336
1337 p2p_dbg(p2p, "Seek service %s hash " MACSTR_SEC,
1338 seek[i], MAC2STR_SEC(buf));
1339 os_memcpy(&p2p->p2ps_seek_hash[count * P2PS_HASH_LEN],
1340 buf, P2PS_HASH_LEN);
1341 count++;
1342 }
1343
1344 p2p->p2ps_seek_count = count;
1345 p2p->p2ps_seek = 1;
1346 } else {
1347 p2p->p2ps_seek_count = 0;
1348 p2p->p2ps_seek = 1;
1349 }
1350
1351 /* Special case to perform wildcard search */
1352 if (p2p->p2ps_seek_count == 0 && p2p->p2ps_seek) {
1353 p2p->p2ps_seek_count = 1;
1354 os_memcpy(&p2p->p2ps_seek_hash, p2p->wild_card_hash,
1355 P2PS_HASH_LEN);
1356 }
1357
1358 p2p->start_after_scan = P2P_AFTER_SCAN_NOTHING;
1359 p2p_clear_timeout(p2p);
1360 if (p2p->pending_listen_freq) {
1361 p2p_dbg(p2p, "Clear pending_listen_freq for p2p_find");
1362 p2p->pending_listen_freq = 0;
1363 }
1364 p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
1365 p2p->pending_listen_wait_drv = false;
1366 p2p->find_pending_full = 0;
1367 p2p->find_type = type;
1368 if (freq != 2412 && freq != 2437 && freq != 2462 && freq != 60480)
1369 p2p->find_specified_freq = freq;
1370 else
1371 p2p->find_specified_freq = 0;
1372 p2p_device_clear_reported(p2p);
1373 os_memset(p2p->sd_query_no_ack, 0, ETH_ALEN);
1374 p2p_set_state(p2p, P2P_SEARCH);
1375 p2p->search_delay = search_delay;
1376 p2p->in_search_delay = 0;
1377 eloop_cancel_timeout(p2p_find_timeout, p2p, NULL);
1378 p2p->last_p2p_find_timeout = timeout;
1379 if (timeout)
1380 eloop_register_timeout(timeout, 0, p2p_find_timeout,
1381 p2p, NULL);
1382 os_get_reltime(&start);
1383 switch (type) {
1384 #ifdef CONFIG_OPEN_HARMONY_SPECIFIC_P2P_FIND
1385 case P2P_FIND_SPECIFIC_FREQ:
1386 wpa_s = p2p->cfg->cb_ctx;
1387 freq = wpa_get_assoc_sta_freq(wpa_s->global);
1388 if (freq != 0) {
1389 p2p->start_after_scan = P2P_AFTER_SCAN_FULL_SCAN;
1390 p2p->find_pending_full = 1;
1391 p2p->find_type = P2P_FIND_START_WITH_FULL;
1392 }
1393 __attribute__((fallthrough));
1394 #endif
1395 case P2P_FIND_START_WITH_FULL:
1396 if (freq > 0) {
1397 /*
1398 * Start with the specified channel and then move to
1399 * scans for social channels and this specific channel.
1400 */
1401 res = p2p->cfg->p2p_scan(p2p->cfg->cb_ctx,
1402 P2P_SCAN_SPECIFIC, freq,
1403 p2p->num_req_dev_types,
1404 p2p->req_dev_types, dev_id,
1405 DEV_PW_DEFAULT,
1406 p2p->include_6ghz);
1407 break;
1408 }
1409 __attribute__((fallthrough));
1410 case P2P_FIND_PROGRESSIVE:
1411 res = p2p->cfg->p2p_scan(p2p->cfg->cb_ctx, P2P_SCAN_FULL, 0,
1412 p2p->num_req_dev_types,
1413 p2p->req_dev_types, dev_id,
1414 DEV_PW_DEFAULT, p2p->include_6ghz);
1415 break;
1416 case P2P_FIND_ONLY_SOCIAL:
1417 res = p2p->cfg->p2p_scan(p2p->cfg->cb_ctx, P2P_SCAN_SOCIAL, 0,
1418 p2p->num_req_dev_types,
1419 p2p->req_dev_types, dev_id,
1420 DEV_PW_DEFAULT, p2p->include_6ghz);
1421 break;
1422 default:
1423 return -1;
1424 }
1425
1426 if (!res)
1427 p2p->find_start = start;
1428
1429 if (res != 0 && p2p->p2p_scan_running) {
1430 p2p_dbg(p2p, "Failed to start p2p_scan - another p2p_scan was already running");
1431 /* wait for the previous p2p_scan to complete */
1432 if (type == P2P_FIND_PROGRESSIVE ||
1433 (type == P2P_FIND_START_WITH_FULL && freq == 0))
1434 p2p->find_pending_full = 1;
1435 res = 0; /* do not report failure */
1436 } else if (res != 0) {
1437 p2p_dbg(p2p, "Failed to start p2p_scan");
1438 p2p_set_state(p2p, P2P_IDLE);
1439 eloop_cancel_timeout(p2p_find_timeout, p2p, NULL);
1440 }
1441
1442 return res;
1443 }
1444
1445
1446 void p2p_stop_find_for_freq(struct p2p_data *p2p, int freq)
1447 {
1448 p2p_dbg(p2p, "Stopping find");
1449 eloop_cancel_timeout(p2p_find_timeout, p2p, NULL);
1450 p2p_clear_timeout(p2p);
1451 if (p2p->state == P2P_SEARCH || p2p->state == P2P_SD_DURING_FIND)
1452 p2p->cfg->find_stopped(p2p->cfg->cb_ctx);
1453
1454 p2p->p2ps_seek_count = 0;
1455
1456 p2p_set_state(p2p, P2P_IDLE);
1457 p2p_free_req_dev_types(p2p);
1458 p2p->start_after_scan = P2P_AFTER_SCAN_NOTHING;
1459 if (p2p->go_neg_peer)
1460 p2p->go_neg_peer->flags &= ~P2P_DEV_PEER_WAITING_RESPONSE;
1461 p2p->go_neg_peer = NULL;
1462 p2p->sd_peer = NULL;
1463 p2p->invite_peer = NULL;
1464 p2p_stop_listen_for_freq(p2p, freq);
1465 p2p->send_action_in_progress = 0;
1466 }
1467
1468
1469 void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq)
1470 {
1471 p2p_dbg(p2p,
1472 "%s(freq=%d) pending_listen_freq=%d in_listen=%d drv_in_listen=%d",
1473 __func__, freq, p2p->pending_listen_freq, p2p->in_listen,
1474 p2p->drv_in_listen);
1475 if (freq > 0 &&
1476 ((p2p->drv_in_listen == freq && p2p->in_listen) ||
1477 p2p->pending_listen_freq == (unsigned int) freq)) {
1478 p2p_dbg(p2p, "Skip stop_listen since we are on correct channel for response");
1479 return;
1480 }
1481 if (p2p->in_listen) {
1482 p2p->in_listen = 0;
1483 p2p_clear_timeout(p2p);
1484 }
1485 if (p2p->drv_in_listen) {
1486 /*
1487 * The driver may not deliver callback to p2p_listen_end()
1488 * when the operation gets canceled, so clear the internal
1489 * variable that is tracking driver state.
1490 */
1491 p2p_dbg(p2p, "Clear drv_in_listen (%d)", p2p->drv_in_listen);
1492 p2p->drv_in_listen = 0;
1493 }
1494 if (p2p->pending_listen_freq &&
1495 p2p->pending_listen_freq != (unsigned int) freq &&
1496 !p2p->drv_in_listen && p2p->pending_listen_wait_drv) {
1497 p2p_dbg(p2p,
1498 "Clear pending_listen_freq since the started listen did not complete before being stopped");
1499 p2p->pending_listen_freq = 0;
1500 }
1501 p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
1502 p2p->pending_listen_wait_drv = false;
1503 }
1504
1505
1506 void p2p_stop_listen(struct p2p_data *p2p)
1507 {
1508 if (p2p->state != P2P_LISTEN_ONLY) {
1509 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
1510 miracast_sink_log("P2P: Skip stop_listen since not in listen_only state.");
1511 #else
1512 p2p_dbg(p2p, "Skip stop_listen since not in listen_only state.");
1513 #endif
1514 return;
1515 }
1516
1517 p2p_stop_listen_for_freq(p2p, 0);
1518 p2p_set_state(p2p, P2P_IDLE);
1519 }
1520
1521
1522 void p2p_stop_find(struct p2p_data *p2p)
1523 {
1524 p2p->pending_listen_freq = 0;
1525 p2p_stop_find_for_freq(p2p, 0);
1526 }
1527
1528
1529 static int p2p_prepare_channel_pref(struct p2p_data *p2p,
1530 unsigned int force_freq,
1531 unsigned int pref_freq, int go)
1532 {
1533 u8 op_class, op_channel;
1534 unsigned int freq = force_freq ? force_freq : pref_freq;
1535
1536 p2p_dbg(p2p, "Prepare channel pref - force_freq=%u pref_freq=%u go=%d",
1537 force_freq, pref_freq, go);
1538 if (p2p_freq_to_channel(freq, &op_class, &op_channel) < 0) {
1539 p2p_dbg(p2p, "Unsupported frequency %u MHz", freq);
1540 return -1;
1541 }
1542
1543 if (!p2p_channels_includes(&p2p->cfg->channels, op_class, op_channel) &&
1544 (go || !p2p_channels_includes(&p2p->cfg->cli_channels, op_class,
1545 op_channel))) {
1546 p2p_dbg(p2p, "Frequency %u MHz (oper_class %u channel %u) not allowed for P2P",
1547 freq, op_class, op_channel);
1548 return -1;
1549 }
1550
1551 p2p->op_reg_class = op_class;
1552 p2p->op_channel = op_channel;
1553
1554 if (force_freq) {
1555 p2p->channels.reg_classes = 1;
1556 p2p->channels.reg_class[0].channels = 1;
1557 p2p->channels.reg_class[0].reg_class = p2p->op_reg_class;
1558 p2p->channels.reg_class[0].channel[0] = p2p->op_channel;
1559 } else {
1560 p2p_copy_channels(&p2p->channels, &p2p->cfg->channels,
1561 p2p->allow_6ghz);
1562 }
1563
1564 return 0;
1565 }
1566
1567
1568 static void p2p_prepare_channel_best(struct p2p_data *p2p)
1569 {
1570 u8 op_class, op_channel;
1571 const int op_classes_5ghz[] = { 124, 125, 115, 0 };
1572 const int op_classes_ht40[] = { 126, 127, 116, 117, 0 };
1573 const int op_classes_vht[] = { 128, 0 };
1574 const int op_classes_edmg[] = { 181, 182, 183, 0 };
1575 const int op_classes_6ghz[] = { 131, 0 };
1576
1577 p2p_dbg(p2p, "Prepare channel best");
1578
1579 if (!p2p->cfg->cfg_op_channel && p2p->best_freq_overall > 0 &&
1580 p2p_supported_freq(p2p, p2p->best_freq_overall) &&
1581 p2p_freq_to_channel(p2p->best_freq_overall, &op_class, &op_channel)
1582 == 0) {
1583 p2p_dbg(p2p, "Select best overall channel as operating channel preference");
1584 p2p->op_reg_class = op_class;
1585 p2p->op_channel = op_channel;
1586 } else if (!p2p->cfg->cfg_op_channel && p2p->best_freq_5 > 0 &&
1587 p2p_supported_freq(p2p, p2p->best_freq_5) &&
1588 p2p_freq_to_channel(p2p->best_freq_5, &op_class, &op_channel)
1589 == 0) {
1590 p2p_dbg(p2p, "Select best 5 GHz channel as operating channel preference");
1591 p2p->op_reg_class = op_class;
1592 p2p->op_channel = op_channel;
1593 } else if (!p2p->cfg->cfg_op_channel && p2p->best_freq_24 > 0 &&
1594 p2p_supported_freq(p2p, p2p->best_freq_24) &&
1595 p2p_freq_to_channel(p2p->best_freq_24, &op_class,
1596 &op_channel) == 0) {
1597 p2p_dbg(p2p, "Select best 2.4 GHz channel as operating channel preference");
1598 p2p->op_reg_class = op_class;
1599 p2p->op_channel = op_channel;
1600 } else if (p2p->cfg->num_pref_chan > 0 &&
1601 p2p_channels_includes(&p2p->cfg->channels,
1602 p2p->cfg->pref_chan[0].op_class,
1603 p2p->cfg->pref_chan[0].chan)) {
1604 p2p_dbg(p2p, "Select first pref_chan entry as operating channel preference");
1605 p2p->op_reg_class = p2p->cfg->pref_chan[0].op_class;
1606 p2p->op_channel = p2p->cfg->pref_chan[0].chan;
1607 } else if (p2p_channel_select(&p2p->cfg->channels, op_classes_edmg,
1608 &p2p->op_reg_class, &p2p->op_channel) ==
1609 0) {
1610 p2p_dbg(p2p, "Select possible EDMG channel (op_class %u channel %u) as operating channel preference",
1611 p2p->op_reg_class, p2p->op_channel);
1612 } else if (p2p->allow_6ghz &&
1613 (p2p_channel_select(&p2p->cfg->channels, op_classes_6ghz,
1614 &p2p->op_reg_class, &p2p->op_channel) ==
1615 0)) {
1616 p2p_dbg(p2p, "Select possible 6 GHz channel (op_class %u channel %u) as operating channel preference",
1617 p2p->op_reg_class, p2p->op_channel);
1618 } else if (p2p_channel_select(&p2p->cfg->channels, op_classes_vht,
1619 &p2p->op_reg_class, &p2p->op_channel) ==
1620 0) {
1621 p2p_dbg(p2p, "Select possible VHT channel (op_class %u channel %u) as operating channel preference",
1622 p2p->op_reg_class, p2p->op_channel);
1623 } else if (p2p_channel_select(&p2p->cfg->channels, op_classes_ht40,
1624 &p2p->op_reg_class, &p2p->op_channel) ==
1625 0) {
1626 p2p_dbg(p2p, "Select possible HT40 channel (op_class %u channel %u) as operating channel preference",
1627 p2p->op_reg_class, p2p->op_channel);
1628 } else if (p2p_channel_select(&p2p->cfg->channels, op_classes_5ghz,
1629 &p2p->op_reg_class, &p2p->op_channel) ==
1630 0) {
1631 p2p_dbg(p2p, "Select possible 5 GHz channel (op_class %u channel %u) as operating channel preference",
1632 p2p->op_reg_class, p2p->op_channel);
1633 } else if (p2p_channels_includes(&p2p->cfg->channels,
1634 p2p->cfg->op_reg_class,
1635 p2p->cfg->op_channel)) {
1636 p2p_dbg(p2p, "Select pre-configured channel as operating channel preference");
1637 p2p->op_reg_class = p2p->cfg->op_reg_class;
1638 p2p->op_channel = p2p->cfg->op_channel;
1639 } else if (p2p_channel_random_social(&p2p->cfg->channels,
1640 &p2p->op_reg_class,
1641 &p2p->op_channel,
1642 NULL, NULL) == 0) {
1643 p2p_dbg(p2p, "Select random available social channel (op_class %u channel %u) as operating channel preference",
1644 p2p->op_reg_class, p2p->op_channel);
1645 } else {
1646 /* Select any random available channel from the first available
1647 * operating class */
1648 if (p2p_channel_select(&p2p->cfg->channels, NULL,
1649 &p2p->op_reg_class,
1650 &p2p->op_channel) == 0)
1651 p2p_dbg(p2p,
1652 "Select random available channel %d from operating class %d as operating channel preference",
1653 p2p->op_channel, p2p->op_reg_class);
1654 }
1655
1656 p2p_copy_channels(&p2p->channels, &p2p->cfg->channels, p2p->allow_6ghz);
1657 }
1658
1659
1660 /**
1661 * p2p_prepare_channel - Select operating channel for GO Negotiation or P2PS PD
1662 * @p2p: P2P module context from p2p_init()
1663 * @dev: Selected peer device
1664 * @force_freq: Forced frequency in MHz or 0 if not forced
1665 * @pref_freq: Preferred frequency in MHz or 0 if no preference
1666 * @go: Whether the local end will be forced to be GO
1667 * Returns: 0 on success, -1 on failure (channel not supported for P2P)
1668 *
1669 * This function is used to do initial operating channel selection for GO
1670 * Negotiation prior to having received peer information or for P2PS PD
1671 * signalling. The selected channel may be further optimized in
1672 * p2p_reselect_channel() once the peer information is available.
1673 */
1674 int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev,
1675 unsigned int force_freq, unsigned int pref_freq, int go)
1676 {
1677 p2p_dbg(p2p, "Prepare channel - force_freq=%u pref_freq=%u go=%d",
1678 force_freq, pref_freq, go);
1679 if (force_freq || pref_freq) {
1680 if (p2p_prepare_channel_pref(p2p, force_freq, pref_freq, go) <
1681 0)
1682 return -1;
1683 } else {
1684 p2p_prepare_channel_best(p2p);
1685 }
1686 p2p_channels_dump(p2p, "prepared channels", &p2p->channels);
1687 if (go)
1688 p2p_channels_remove_freqs(&p2p->channels, &p2p->no_go_freq);
1689 else if (!force_freq)
1690 p2p_channels_union_inplace(&p2p->channels,
1691 &p2p->cfg->cli_channels);
1692 p2p_channels_dump(p2p, "after go/cli filter/add", &p2p->channels);
1693
1694 p2p_dbg(p2p, "Own preference for operation channel: Operating Class %u Channel %u%s",
1695 p2p->op_reg_class, p2p->op_channel,
1696 force_freq ? " (forced)" : "");
1697
1698 if (force_freq)
1699 dev->flags |= P2P_DEV_FORCE_FREQ;
1700 else
1701 dev->flags &= ~P2P_DEV_FORCE_FREQ;
1702
1703 return 0;
1704 }
1705
1706
1707 static void p2p_set_dev_persistent(struct p2p_device *dev,
1708 int persistent_group)
1709 {
1710 switch (persistent_group) {
1711 case 0:
1712 dev->flags &= ~(P2P_DEV_PREFER_PERSISTENT_GROUP |
1713 P2P_DEV_PREFER_PERSISTENT_RECONN);
1714 break;
1715 case 1:
1716 dev->flags |= P2P_DEV_PREFER_PERSISTENT_GROUP;
1717 dev->flags &= ~P2P_DEV_PREFER_PERSISTENT_RECONN;
1718 break;
1719 case 2:
1720 dev->flags |= P2P_DEV_PREFER_PERSISTENT_GROUP |
1721 P2P_DEV_PREFER_PERSISTENT_RECONN;
1722 break;
1723 }
1724 }
1725
1726
1727 int p2p_connect(struct p2p_data *p2p, const u8 *peer_addr,
1728 enum p2p_wps_method wps_method,
1729 int go_intent, const u8 *own_interface_addr,
1730 unsigned int force_freq, int persistent_group,
1731 const u8 *force_ssid, size_t force_ssid_len,
1732 int pd_before_go_neg, unsigned int pref_freq, u16 oob_pw_id)
1733 {
1734 struct p2p_device *dev;
1735
1736 p2p_dbg(p2p, "Request to start group negotiation - peer=" MACSTR_SEC
1737 " GO Intent=%d Intended Interface Address=" MACSTR_SEC
1738 " wps_method=%d persistent_group=%d pd_before_go_neg=%d "
1739 "oob_pw_id=%u allow_6ghz=%d",
1740 MAC2STR_SEC(peer_addr), go_intent, MAC2STR_SEC(own_interface_addr),
1741 wps_method, persistent_group, pd_before_go_neg, oob_pw_id,
1742 p2p->allow_6ghz);
1743
1744 dev = p2p_get_device(p2p, peer_addr);
1745 if (dev == NULL || (dev->flags & P2P_DEV_PROBE_REQ_ONLY)) {
1746 p2p_dbg(p2p, "Cannot connect to unknown P2P Device " MACSTR_SEC,
1747 MAC2STR_SEC(peer_addr));
1748 return -1;
1749 }
1750
1751 if (p2p_prepare_channel(p2p, dev, force_freq, pref_freq,
1752 go_intent == 15) < 0)
1753 return -1;
1754
1755 if (dev->flags & P2P_DEV_GROUP_CLIENT_ONLY) {
1756 if (!(dev->info.dev_capab &
1757 P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY)) {
1758 p2p_dbg(p2p, "Cannot connect to P2P Device " MACSTR_SEC
1759 " that is in a group and is not discoverable",
1760 MAC2STR_SEC(peer_addr));
1761 return -1;
1762 }
1763 if (dev->oper_freq <= 0) {
1764 p2p_dbg(p2p, "Cannot connect to P2P Device " MACSTR_SEC
1765 " with incomplete information",
1766 MAC2STR_SEC(peer_addr));
1767 return -1;
1768 }
1769
1770 /*
1771 * First, try to connect directly. If the peer does not
1772 * acknowledge frames, assume it is sleeping and use device
1773 * discoverability via the GO at that point.
1774 */
1775 }
1776
1777 p2p->ssid_set = 0;
1778 if (force_ssid) {
1779 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Forced SSID",
1780 force_ssid, force_ssid_len);
1781 os_memcpy(p2p->ssid, force_ssid, force_ssid_len);
1782 p2p->ssid_len = force_ssid_len;
1783 p2p->ssid_set = 1;
1784 }
1785
1786 dev->flags &= ~P2P_DEV_NOT_YET_READY;
1787 #ifndef CONFIG_P2P_USER_REJECT
1788 dev->flags &= ~P2P_DEV_USER_REJECTED;
1789 #endif
1790 dev->flags &= ~P2P_DEV_WAIT_GO_NEG_RESPONSE;
1791 dev->flags &= ~P2P_DEV_WAIT_GO_NEG_CONFIRM;
1792 if (pd_before_go_neg)
1793 dev->flags |= P2P_DEV_PD_BEFORE_GO_NEG;
1794 else {
1795 dev->flags &= ~P2P_DEV_PD_BEFORE_GO_NEG;
1796 /*
1797 * Assign dialog token and tie breaker here to use the same
1798 * values in each retry within the same GO Negotiation exchange.
1799 */
1800 dev->dialog_token++;
1801 if (dev->dialog_token == 0)
1802 dev->dialog_token = 1;
1803 dev->tie_breaker = p2p->next_tie_breaker;
1804 p2p->next_tie_breaker = !p2p->next_tie_breaker;
1805 }
1806 dev->connect_reqs = 0;
1807 dev->go_neg_req_sent = 0;
1808 dev->go_state = UNKNOWN_GO;
1809 p2p_set_dev_persistent(dev, persistent_group);
1810 p2p->go_intent = go_intent;
1811 os_memcpy(p2p->intended_addr, own_interface_addr, ETH_ALEN);
1812
1813 if (p2p->state != P2P_IDLE)
1814 p2p_stop_find(p2p);
1815
1816 dev->wps_method = wps_method;
1817 dev->oob_pw_id = oob_pw_id;
1818 #ifndef CONFIG_P2P_USER_REJECT
1819 dev->status = P2P_SC_SUCCESS;
1820 #endif
1821 if (p2p->p2p_scan_running) {
1822 p2p_dbg(p2p, "p2p_scan running - delay connect send");
1823 p2p->start_after_scan = P2P_AFTER_SCAN_CONNECT;
1824 os_memcpy(p2p->after_scan_peer, peer_addr, ETH_ALEN);
1825 return 0;
1826 }
1827
1828 return p2p_connect_send(p2p, dev);
1829 }
1830
1831
1832 int p2p_authorize(struct p2p_data *p2p, const u8 *peer_addr,
1833 enum p2p_wps_method wps_method,
1834 int go_intent, const u8 *own_interface_addr,
1835 unsigned int force_freq, int persistent_group,
1836 const u8 *force_ssid, size_t force_ssid_len,
1837 unsigned int pref_freq, u16 oob_pw_id)
1838 {
1839 struct p2p_device *dev;
1840
1841 p2p_dbg(p2p, "Request to authorize group negotiation - peer=" MACSTR_SEC
1842 " GO Intent=%d Intended Interface Address=" MACSTR_SEC
1843 " wps_method=%d persistent_group=%d oob_pw_id=%u allow_6ghz=%d",
1844 MAC2STR_SEC(peer_addr), go_intent, MAC2STR_SEC(own_interface_addr),
1845 wps_method, persistent_group, oob_pw_id, p2p->allow_6ghz);
1846
1847 dev = p2p_get_device(p2p, peer_addr);
1848 if (dev == NULL) {
1849 p2p_dbg(p2p, "Cannot authorize unknown P2P Device " MACSTR_SEC,
1850 MAC2STR_SEC(peer_addr));
1851 return -1;
1852 }
1853
1854 if (p2p_prepare_channel(p2p, dev, force_freq, pref_freq, go_intent ==
1855 15) < 0)
1856 return -1;
1857
1858 p2p->ssid_set = 0;
1859 if (force_ssid) {
1860 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Forced SSID",
1861 force_ssid, force_ssid_len);
1862 os_memcpy(p2p->ssid, force_ssid, force_ssid_len);
1863 p2p->ssid_len = force_ssid_len;
1864 p2p->ssid_set = 1;
1865 }
1866
1867 dev->flags &= ~P2P_DEV_NOT_YET_READY;
1868 dev->flags &= ~P2P_DEV_USER_REJECTED;
1869 dev->go_neg_req_sent = 0;
1870 dev->go_state = UNKNOWN_GO;
1871 p2p_set_dev_persistent(dev, persistent_group);
1872 p2p->go_intent = go_intent;
1873 os_memcpy(p2p->intended_addr, own_interface_addr, ETH_ALEN);
1874
1875 dev->wps_method = wps_method;
1876 dev->oob_pw_id = oob_pw_id;
1877 dev->status = P2P_SC_SUCCESS;
1878
1879 return 0;
1880 }
1881
1882
1883 void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
1884 struct p2p_device *dev, struct p2p_message *msg)
1885 {
1886 os_get_reltime(&dev->last_seen);
1887
1888 p2p_copy_wps_info(p2p, dev, 0, msg);
1889
1890 if (msg->listen_channel) {
1891 int freq;
1892 freq = p2p_channel_to_freq(msg->listen_channel[3],
1893 msg->listen_channel[4]);
1894 if (freq < 0) {
1895 p2p_dbg(p2p, "Unknown peer Listen channel: "
1896 "country=%c%c(0x%02x) reg_class=%u channel=%u",
1897 msg->listen_channel[0],
1898 msg->listen_channel[1],
1899 msg->listen_channel[2],
1900 msg->listen_channel[3],
1901 msg->listen_channel[4]);
1902 } else {
1903 p2p_dbg(p2p, "Update peer " MACSTR_SEC
1904 " Listen channel: %u -> %u MHz",
1905 MAC2STR_SEC(dev->info.p2p_device_addr),
1906 dev->listen_freq, freq);
1907 dev->listen_freq = freq;
1908 }
1909 }
1910
1911 if (msg->wfd_subelems) {
1912 wpabuf_free(dev->info.wfd_subelems);
1913 dev->info.wfd_subelems = wpabuf_dup(msg->wfd_subelems);
1914 }
1915
1916 if (dev->flags & P2P_DEV_PROBE_REQ_ONLY) {
1917 dev->flags &= ~P2P_DEV_PROBE_REQ_ONLY;
1918 p2p_dbg(p2p, "Completed device entry based on data from GO Negotiation Request");
1919 } else {
1920 p2p_dbg(p2p, "Created device entry based on GO Neg Req: "
1921 MACSTR_SEC " dev_capab=0x%x group_capab=0x%x name='%s' "
1922 "listen_freq=%d",
1923 MAC2STR_SEC(dev->info.p2p_device_addr),
1924 dev->info.dev_capab, dev->info.group_capab,
1925 dev->info.device_name, dev->listen_freq);
1926 }
1927
1928 dev->flags &= ~P2P_DEV_GROUP_CLIENT_ONLY;
1929
1930 if (dev->flags & P2P_DEV_USER_REJECTED) {
1931 p2p_dbg(p2p, "Do not report rejected device");
1932 return;
1933 }
1934
1935 p2p->cfg->dev_found(p2p->cfg->cb_ctx, addr, &dev->info,
1936 !(dev->flags & P2P_DEV_REPORTED_ONCE));
1937 dev->flags |= P2P_DEV_REPORTED | P2P_DEV_REPORTED_ONCE;
1938 }
1939
1940
1941 void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len)
1942 {
1943 os_memcpy(ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN);
1944 p2p_random((char *) &ssid[P2P_WILDCARD_SSID_LEN], 2);
1945 os_memcpy(&ssid[P2P_WILDCARD_SSID_LEN + 2],
1946 p2p->cfg->ssid_postfix, p2p->cfg->ssid_postfix_len);
1947 *ssid_len = P2P_WILDCARD_SSID_LEN + 2 + p2p->cfg->ssid_postfix_len;
1948 }
1949
1950
1951 int p2p_go_params(struct p2p_data *p2p, struct p2p_go_neg_results *params)
1952 {
1953 if (p2p->ssid_set) {
1954 os_memcpy(params->ssid, p2p->ssid, p2p->ssid_len);
1955 params->ssid_len = p2p->ssid_len;
1956 } else {
1957 p2p_build_ssid(p2p, params->ssid, ¶ms->ssid_len);
1958 }
1959 p2p->ssid_set = 0;
1960
1961 #ifdef CONFIG_OPEN_HARMONY_PATCH
1962 if (p2p->passphrase_set) {
1963 os_memcpy(params->passphrase, p2p->passphrase, os_strlen(p2p->passphrase));
1964 } else {
1965 p2p_random(params->passphrase, p2p->cfg->passphrase_len);
1966 params->passphrase[p2p->cfg->passphrase_len] = '\0';
1967 }
1968 p2p->passphrase_set = 0;
1969 return 0;
1970 #else
1971 p2p_random(params->passphrase, p2p->cfg->passphrase_len);
1972 params->passphrase[p2p->cfg->passphrase_len] = '\0';
1973 return 0;
1974 #endif /* CONFIG_OPEN_HARMONY_PATCH */
1975 }
1976
1977
1978 void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer)
1979 {
1980 struct p2p_go_neg_results res;
1981 int go = peer->go_state == LOCAL_GO;
1982 struct p2p_channels intersection;
1983
1984 p2p_dbg(p2p, "GO Negotiation with " MACSTR_SEC " completed (%s will be GO)",
1985 MAC2STR_SEC(peer->info.p2p_device_addr), go ? "local end" : "peer");
1986
1987 os_memset(&res, 0, sizeof(res));
1988 res.role_go = go;
1989 os_memcpy(res.peer_device_addr, peer->info.p2p_device_addr, ETH_ALEN);
1990 os_memcpy(res.peer_interface_addr, peer->intended_addr, ETH_ALEN);
1991 res.wps_method = peer->wps_method;
1992 if (peer->flags & P2P_DEV_PREFER_PERSISTENT_GROUP) {
1993 if (peer->flags & P2P_DEV_PREFER_PERSISTENT_RECONN)
1994 res.persistent_group = 2;
1995 else
1996 res.persistent_group = 1;
1997 }
1998
1999 if (go) {
2000 /* Setup AP mode for WPS provisioning */
2001 res.freq = p2p_channel_to_freq(p2p->op_reg_class,
2002 p2p->op_channel);
2003 os_memcpy(res.ssid, p2p->ssid, p2p->ssid_len);
2004 res.ssid_len = p2p->ssid_len;
2005 p2p_random(res.passphrase, p2p->cfg->passphrase_len);
2006 res.passphrase[p2p->cfg->passphrase_len] = '\0';
2007 } else {
2008 res.freq = peer->oper_freq;
2009 if (p2p->ssid_len) {
2010 os_memcpy(res.ssid, p2p->ssid, p2p->ssid_len);
2011 res.ssid_len = p2p->ssid_len;
2012 }
2013 }
2014
2015 p2p_channels_dump(p2p, "own channels", &p2p->channels);
2016 p2p_channels_dump(p2p, "peer channels", &peer->channels);
2017 p2p_channels_intersect(&p2p->channels, &peer->channels,
2018 &intersection);
2019 if (go) {
2020 p2p_channels_remove_freqs(&intersection, &p2p->no_go_freq);
2021 p2p_channels_dump(p2p, "intersection after no-GO removal",
2022 &intersection);
2023 }
2024
2025 p2p_channels_to_freqs(&intersection, res.freq_list,
2026 P2P_MAX_CHANNELS);
2027
2028 res.peer_config_timeout = go ? peer->client_timeout : peer->go_timeout;
2029
2030 p2p_clear_timeout(p2p);
2031 p2p->ssid_set = 0;
2032 peer->go_neg_req_sent = 0;
2033 peer->flags &= ~P2P_DEV_PEER_WAITING_RESPONSE;
2034 peer->wps_method = WPS_NOT_READY;
2035 peer->oob_pw_id = 0;
2036 wpabuf_free(peer->go_neg_conf);
2037 peer->go_neg_conf = NULL;
2038
2039 p2p_set_state(p2p, P2P_PROVISIONING);
2040 p2p->cfg->go_neg_completed(p2p->cfg->cb_ctx, &res);
2041 }
2042
2043
2044 static void p2p_rx_p2p_action(struct p2p_data *p2p, const u8 *sa,
2045 const u8 *data, size_t len, int rx_freq)
2046 {
2047 p2p_dbg(p2p, "RX P2P Public Action from " MACSTR_SEC, MAC2STR_SEC(sa));
2048 wpa_hexdump(MSG_MSGDUMP, "P2P: P2P Public Action contents", data, len);
2049
2050 if (len < 1)
2051 return;
2052
2053 switch (data[0]) {
2054 case P2P_GO_NEG_REQ:
2055 p2p_process_go_neg_req(p2p, sa, data + 1, len - 1, rx_freq);
2056 break;
2057 case P2P_GO_NEG_RESP:
2058 p2p_process_go_neg_resp(p2p, sa, data + 1, len - 1, rx_freq);
2059 break;
2060 case P2P_GO_NEG_CONF:
2061 p2p_process_go_neg_conf(p2p, sa, data + 1, len - 1);
2062 break;
2063 case P2P_INVITATION_REQ:
2064 p2p_process_invitation_req(p2p, sa, data + 1, len - 1,
2065 rx_freq);
2066 break;
2067 case P2P_INVITATION_RESP:
2068 p2p_process_invitation_resp(p2p, sa, data + 1, len - 1);
2069 break;
2070 case P2P_PROV_DISC_REQ:
2071 p2p_process_prov_disc_req(p2p, sa, data + 1, len - 1, rx_freq);
2072 break;
2073 case P2P_PROV_DISC_RESP:
2074 p2p_process_prov_disc_resp(p2p, sa, data + 1, len - 1);
2075 break;
2076 case P2P_DEV_DISC_REQ:
2077 p2p_process_dev_disc_req(p2p, sa, data + 1, len - 1, rx_freq);
2078 break;
2079 case P2P_DEV_DISC_RESP:
2080 p2p_process_dev_disc_resp(p2p, sa, data + 1, len - 1);
2081 break;
2082 default:
2083 p2p_dbg(p2p, "Unsupported P2P Public Action frame type %d",
2084 data[0]);
2085 break;
2086 }
2087 }
2088
2089
2090 static void p2p_rx_action_public(struct p2p_data *p2p, const u8 *da,
2091 const u8 *sa, const u8 *bssid, const u8 *data,
2092 size_t len, int freq)
2093 {
2094 if (len < 1)
2095 return;
2096
2097 switch (data[0]) {
2098 case WLAN_PA_VENDOR_SPECIFIC:
2099 data++;
2100 len--;
2101 if (len < 4)
2102 return;
2103 if (WPA_GET_BE32(data) != P2P_IE_VENDOR_TYPE)
2104 return;
2105
2106 data += 4;
2107 len -= 4;
2108
2109 p2p_rx_p2p_action(p2p, sa, data, len, freq);
2110 break;
2111 case WLAN_PA_GAS_INITIAL_REQ:
2112 p2p_rx_gas_initial_req(p2p, sa, data + 1, len - 1, freq);
2113 break;
2114 case WLAN_PA_GAS_INITIAL_RESP:
2115 p2p_rx_gas_initial_resp(p2p, sa, data + 1, len - 1, freq);
2116 break;
2117 case WLAN_PA_GAS_COMEBACK_REQ:
2118 p2p_rx_gas_comeback_req(p2p, sa, data + 1, len - 1, freq);
2119 break;
2120 case WLAN_PA_GAS_COMEBACK_RESP:
2121 p2p_rx_gas_comeback_resp(p2p, sa, data + 1, len - 1, freq);
2122 break;
2123 }
2124 }
2125
2126
2127 void p2p_rx_action(struct p2p_data *p2p, const u8 *da, const u8 *sa,
2128 const u8 *bssid, u8 category,
2129 const u8 *data, size_t len, int freq)
2130 {
2131 if (category == WLAN_ACTION_PUBLIC) {
2132 p2p_rx_action_public(p2p, da, sa, bssid, data, len, freq);
2133 return;
2134 }
2135
2136 if (category != WLAN_ACTION_VENDOR_SPECIFIC)
2137 return;
2138
2139 if (len < 4)
2140 return;
2141
2142 if (WPA_GET_BE32(data) != P2P_IE_VENDOR_TYPE)
2143 return;
2144 data += 4;
2145 len -= 4;
2146
2147 /* P2P action frame */
2148 p2p_dbg(p2p, "RX P2P Action from " MACSTR_SEC, MAC2STR_SEC(sa));
2149 wpa_hexdump(MSG_MSGDUMP, "P2P: P2P Action contents", data, len);
2150
2151 if (len < 1)
2152 return;
2153 switch (data[0]) {
2154 case P2P_NOA:
2155 p2p_dbg(p2p, "Received P2P Action - Notice of Absence");
2156 /* TODO */
2157 break;
2158 case P2P_PRESENCE_REQ:
2159 p2p_process_presence_req(p2p, da, sa, data + 1, len - 1, freq);
2160 break;
2161 case P2P_PRESENCE_RESP:
2162 p2p_process_presence_resp(p2p, da, sa, data + 1, len - 1);
2163 break;
2164 case P2P_GO_DISC_REQ:
2165 p2p_process_go_disc_req(p2p, da, sa, data + 1, len - 1, freq);
2166 break;
2167 default:
2168 p2p_dbg(p2p, "Received P2P Action - unknown type %u", data[0]);
2169 break;
2170 }
2171 }
2172
2173
2174 static void p2p_go_neg_start(void *eloop_ctx, void *timeout_ctx)
2175 {
2176 struct p2p_data *p2p = eloop_ctx;
2177 if (p2p->go_neg_peer == NULL)
2178 return;
2179 if (p2p->pending_listen_freq) {
2180 p2p_dbg(p2p, "Clear pending_listen_freq for p2p_go_neg_start");
2181 p2p->pending_listen_freq = 0;
2182 }
2183 p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
2184 p2p->pending_listen_wait_drv = false;
2185 p2p->go_neg_peer->status = P2P_SC_SUCCESS;
2186 /*
2187 * Set new timeout to make sure a previously set one does not expire
2188 * too quickly while waiting for the GO Negotiation to complete.
2189 */
2190 p2p_set_timeout(p2p, 0, 500000);
2191 p2p_connect_send(p2p, p2p->go_neg_peer);
2192 }
2193
2194
2195 static void p2p_invite_start(void *eloop_ctx, void *timeout_ctx)
2196 {
2197 struct p2p_data *p2p = eloop_ctx;
2198 if (p2p->invite_peer == NULL)
2199 return;
2200 if (p2p->pending_listen_freq) {
2201 p2p_dbg(p2p, "Clear pending_listen_freq for p2p_invite_start");
2202 p2p->pending_listen_freq = 0;
2203 }
2204 p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
2205 p2p->pending_listen_wait_drv = false;
2206 p2p_invite_send(p2p, p2p->invite_peer, p2p->invite_go_dev_addr,
2207 p2p->invite_dev_pw_id);
2208 }
2209
2210
2211 static void p2p_add_dev_from_probe_req(struct p2p_data *p2p, const u8 *addr,
2212 const u8 *ie, size_t ie_len)
2213 {
2214 struct p2p_message msg;
2215 struct p2p_device *dev;
2216
2217 os_memset(&msg, 0, sizeof(msg));
2218 if (p2p_parse_ies(ie, ie_len, &msg) < 0 || msg.p2p_attributes == NULL)
2219 {
2220 p2p_parse_free(&msg);
2221 return; /* not a P2P probe */
2222 }
2223
2224 if (msg.ssid == NULL || msg.ssid[1] != P2P_WILDCARD_SSID_LEN ||
2225 os_memcmp(msg.ssid + 2, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN)
2226 != 0) {
2227 /* The Probe Request is not part of P2P Device Discovery. It is
2228 * not known whether the source address of the frame is the P2P
2229 * Device Address or P2P Interface Address. Do not add a new
2230 * peer entry based on this frames.
2231 */
2232 p2p_parse_free(&msg);
2233 return;
2234 }
2235
2236 dev = p2p_get_device(p2p, addr);
2237 if (dev) {
2238 if (msg.listen_channel) {
2239 int freq;
2240
2241 if (dev->country[0] == 0)
2242 os_memcpy(dev->country, msg.listen_channel, 3);
2243
2244 freq = p2p_channel_to_freq(msg.listen_channel[3],
2245 msg.listen_channel[4]);
2246
2247 if (freq > 0 && dev->listen_freq != freq) {
2248 p2p_dbg(p2p,
2249 "Updated peer " MACSTR_SEC " Listen channel (Probe Request): %d -> %d MHz",
2250 MAC2STR_SEC(addr), dev->listen_freq, freq);
2251 dev->listen_freq = freq;
2252 }
2253 }
2254
2255 p2p_update_peer_6ghz_capab(dev, &msg);
2256 os_get_reltime(&dev->last_seen);
2257 p2p_parse_free(&msg);
2258 return; /* already known */
2259 }
2260
2261 dev = p2p_create_device(p2p, addr);
2262 if (dev == NULL) {
2263 p2p_parse_free(&msg);
2264 return;
2265 }
2266
2267 os_get_reltime(&dev->last_seen);
2268 dev->flags |= P2P_DEV_PROBE_REQ_ONLY;
2269
2270 if (msg.listen_channel) {
2271 os_memcpy(dev->country, msg.listen_channel, 3);
2272 dev->listen_freq = p2p_channel_to_freq(msg.listen_channel[3],
2273 msg.listen_channel[4]);
2274 }
2275
2276 p2p_copy_wps_info(p2p, dev, 1, &msg);
2277
2278 if (msg.wfd_subelems) {
2279 wpabuf_free(dev->info.wfd_subelems);
2280 dev->info.wfd_subelems = wpabuf_dup(msg.wfd_subelems);
2281 }
2282
2283 p2p_parse_free(&msg);
2284
2285 p2p_dbg(p2p, "Created device entry based on Probe Req: " MACSTR_SEC
2286 " dev_capab=0x%x group_capab=0x%x name='%s' listen_freq=%d",
2287 MAC2STR_SEC(dev->info.p2p_device_addr), dev->info.dev_capab,
2288 dev->info.group_capab, dev->info.device_name,
2289 dev->listen_freq);
2290 }
2291
2292
2293 struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
2294 const u8 *addr,
2295 struct p2p_message *msg)
2296 {
2297 struct p2p_device *dev;
2298
2299 dev = p2p_get_device(p2p, addr);
2300 if (dev) {
2301 os_get_reltime(&dev->last_seen);
2302 return dev; /* already known */
2303 }
2304
2305 dev = p2p_create_device(p2p, addr);
2306 if (dev == NULL)
2307 return NULL;
2308
2309 p2p_add_dev_info(p2p, addr, dev, msg);
2310
2311 return dev;
2312 }
2313
2314
2315 static int dev_type_match(const u8 *dev_type, const u8 *req_dev_type)
2316 {
2317 if (os_memcmp(dev_type, req_dev_type, WPS_DEV_TYPE_LEN) == 0)
2318 return 1;
2319 if (os_memcmp(dev_type, req_dev_type, 2) == 0 &&
2320 WPA_GET_BE32(&req_dev_type[2]) == 0 &&
2321 WPA_GET_BE16(&req_dev_type[6]) == 0)
2322 return 1; /* Category match with wildcard OUI/sub-category */
2323 return 0;
2324 }
2325
2326
2327 int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],
2328 size_t num_req_dev_type)
2329 {
2330 size_t i;
2331 for (i = 0; i < num_req_dev_type; i++) {
2332 if (dev_type_match(dev_type, req_dev_type[i]))
2333 return 1;
2334 }
2335 return 0;
2336 }
2337
2338
2339 /**
2340 * p2p_match_dev_type - Match local device type with requested type
2341 * @p2p: P2P module context from p2p_init()
2342 * @wps: WPS TLVs from Probe Request frame (concatenated WPS IEs)
2343 * Returns: 1 on match, 0 on mismatch
2344 *
2345 * This function can be used to match the Requested Device Type attribute in
2346 * WPS IE with the local device types for deciding whether to reply to a Probe
2347 * Request frame.
2348 */
2349 int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps)
2350 {
2351 struct wps_parse_attr attr;
2352 size_t i;
2353
2354 if (wps_parse_msg(wps, &attr))
2355 return 1; /* assume no Requested Device Type attributes */
2356
2357 if (attr.num_req_dev_type == 0)
2358 return 1; /* no Requested Device Type attributes -> match */
2359
2360 if (dev_type_list_match(p2p->cfg->pri_dev_type, attr.req_dev_type,
2361 attr.num_req_dev_type))
2362 return 1; /* Own Primary Device Type matches */
2363
2364 for (i = 0; i < p2p->cfg->num_sec_dev_types; i++) {
2365 if (dev_type_list_match(p2p->cfg->sec_dev_type[i],
2366 attr.req_dev_type,
2367 attr.num_req_dev_type))
2368 return 1; /* Own Secondary Device Type matches */
2369 }
2370
2371 /* No matching device type found */
2372 return 0;
2373 }
2374
2375
2376 struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p,
2377 const u8 *query_hash,
2378 u8 query_count)
2379 {
2380 struct wpabuf *buf;
2381 u8 *len;
2382 int pw_id = -1;
2383 size_t extra = 0;
2384
2385 #ifdef CONFIG_WIFI_DISPLAY
2386 if (p2p->wfd_ie_probe_resp)
2387 extra = wpabuf_len(p2p->wfd_ie_probe_resp);
2388 #endif /* CONFIG_WIFI_DISPLAY */
2389
2390 if (p2p->vendor_elem && p2p->vendor_elem[VENDOR_ELEM_PROBE_RESP_P2P])
2391 extra += wpabuf_len(p2p->vendor_elem[VENDOR_ELEM_PROBE_RESP_P2P]);
2392
2393 if (query_count)
2394 extra += MAX_SVC_ADV_IE_LEN;
2395
2396 buf = wpabuf_alloc(1000 + extra);
2397 if (buf == NULL)
2398 return NULL;
2399
2400 if (p2p->go_neg_peer) {
2401 /* Advertise immediate availability of WPS credential */
2402 pw_id = p2p_wps_method_pw_id(p2p->go_neg_peer->wps_method);
2403 }
2404
2405 if (p2p_build_wps_ie(p2p, buf, pw_id, 1) < 0) {
2406 p2p_dbg(p2p, "Failed to build WPS IE for Probe Response");
2407 wpabuf_free(buf);
2408 return NULL;
2409 }
2410
2411 #ifdef CONFIG_WIFI_DISPLAY
2412 if (p2p->wfd_ie_probe_resp)
2413 wpabuf_put_buf(buf, p2p->wfd_ie_probe_resp);
2414 #endif /* CONFIG_WIFI_DISPLAY */
2415
2416 if (p2p->vendor_elem && p2p->vendor_elem[VENDOR_ELEM_PROBE_RESP_P2P])
2417 wpabuf_put_buf(buf,
2418 p2p->vendor_elem[VENDOR_ELEM_PROBE_RESP_P2P]);
2419 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
2420 //resp增加字段
2421 if (hm_p2p_add_pvt_vendor_ie(buf))
2422 wpa_printf(MSG_ERROR, "add pvt vendor IE fail");
2423 #endif
2424
2425 /* P2P IE */
2426 len = p2p_buf_add_ie_hdr(buf);
2427 p2p_buf_add_capability(buf, p2p->dev_capab &
2428 ~P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY, 0);
2429 if (p2p->ext_listen_interval)
2430 p2p_buf_add_ext_listen_timing(buf, p2p->ext_listen_period,
2431 p2p->ext_listen_interval);
2432 p2p_buf_add_device_info(buf, p2p, NULL);
2433 p2p_buf_update_ie_hdr(buf, len);
2434
2435 if (query_count) {
2436 p2p_buf_add_service_instance(buf, p2p, query_count, query_hash,
2437 p2p->p2ps_adv_list);
2438 }
2439
2440 return buf;
2441 }
2442
2443 static int p2p_build_probe_resp_buf(struct p2p_data *p2p, struct wpabuf *buf,
2444 struct wpabuf *ies,
2445 const u8 *addr, int rx_freq)
2446 {
2447 struct ieee80211_mgmt *resp;
2448 u8 channel, op_class;
2449
2450 resp = wpabuf_put(buf, offsetof(struct ieee80211_mgmt,
2451 u.probe_resp.variable));
2452
2453 resp->frame_control = host_to_le16((WLAN_FC_TYPE_MGMT << 2) |
2454 (WLAN_FC_STYPE_PROBE_RESP << 4));
2455 os_memcpy(resp->da, addr, ETH_ALEN);
2456 os_memcpy(resp->sa, p2p->cfg->dev_addr, ETH_ALEN);
2457 os_memcpy(resp->bssid, p2p->cfg->dev_addr, ETH_ALEN);
2458 resp->u.probe_resp.beacon_int = host_to_le16(100);
2459 /* hardware or low-level driver will setup seq_ctrl and timestamp */
2460 resp->u.probe_resp.capab_info =
2461 host_to_le16(WLAN_CAPABILITY_SHORT_PREAMBLE |
2462 WLAN_CAPABILITY_PRIVACY |
2463 WLAN_CAPABILITY_SHORT_SLOT_TIME);
2464
2465 wpabuf_put_u8(buf, WLAN_EID_SSID);
2466 wpabuf_put_u8(buf, P2P_WILDCARD_SSID_LEN);
2467 wpabuf_put_data(buf, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN);
2468
2469 wpabuf_put_u8(buf, WLAN_EID_SUPP_RATES);
2470 wpabuf_put_u8(buf, 8);
2471 wpabuf_put_u8(buf, (60 / 5) | 0x80);
2472 wpabuf_put_u8(buf, 90 / 5);
2473 wpabuf_put_u8(buf, (120 / 5) | 0x80);
2474 wpabuf_put_u8(buf, 180 / 5);
2475 wpabuf_put_u8(buf, (240 / 5) | 0x80);
2476 wpabuf_put_u8(buf, 360 / 5);
2477 wpabuf_put_u8(buf, 480 / 5);
2478 wpabuf_put_u8(buf, 540 / 5);
2479
2480 if (!rx_freq) {
2481 channel = p2p->cfg->channel;
2482 } else if (p2p_freq_to_channel(rx_freq, &op_class, &channel)) {
2483 p2p_err(p2p, "Failed to convert freq to channel");
2484 return -1;
2485 }
2486
2487 wpabuf_put_u8(buf, WLAN_EID_DS_PARAMS);
2488 wpabuf_put_u8(buf, 1);
2489 wpabuf_put_u8(buf, channel);
2490
2491 wpabuf_put_buf(buf, ies);
2492
2493 return 0;
2494 }
2495
2496 static int p2p_service_find_asp(struct p2p_data *p2p, const u8 *hash)
2497 {
2498 struct p2ps_advertisement *adv_data;
2499 int any_wfa;
2500
2501 p2p_dbg(p2p, "ASP find - ASP list: %p", p2p->p2ps_adv_list);
2502
2503 /* Wildcard org.wi-fi.wfds matches any WFA spec defined service */
2504 any_wfa = os_memcmp(hash, p2p->wild_card_hash, P2PS_HASH_LEN) == 0;
2505
2506 adv_data = p2p->p2ps_adv_list;
2507 while (adv_data) {
2508 if (os_memcmp(hash, adv_data->hash, P2PS_HASH_LEN) == 0)
2509 return 1; /* exact hash match */
2510 if (any_wfa &&
2511 os_strncmp(adv_data->svc_name, P2PS_WILD_HASH_STR,
2512 os_strlen(P2PS_WILD_HASH_STR)) == 0)
2513 return 1; /* WFA service match */
2514 adv_data = adv_data->next;
2515 }
2516
2517 return 0;
2518 }
2519
2520
2521 static enum p2p_probe_req_status
2522 p2p_reply_probe(struct p2p_data *p2p, const u8 *addr, const u8 *dst,
2523 const u8 *bssid, const u8 *ie, size_t ie_len,
2524 unsigned int rx_freq)
2525 {
2526 struct ieee802_11_elems elems;
2527 struct wpabuf *buf;
2528 struct p2p_message msg;
2529 struct wpabuf *ies;
2530
2531 if (ieee802_11_parse_elems((u8 *) ie, ie_len, &elems, 0) ==
2532 ParseFailed) {
2533 /* Ignore invalid Probe Request frames */
2534 p2p_dbg(p2p, "Could not parse Probe Request frame - ignore it");
2535 return P2P_PREQ_MALFORMED;
2536 }
2537
2538 if (elems.p2p == NULL) {
2539 /* not a P2P probe - ignore it */
2540 p2p_dbg(p2p, "Not a P2P probe - ignore it");
2541 return P2P_PREQ_NOT_P2P;
2542 }
2543
2544 if (dst && !is_broadcast_ether_addr(dst) &&
2545 !ether_addr_equal(dst, p2p->cfg->dev_addr)) {
2546 /* Not sent to the broadcast address or our P2P Device Address
2547 */
2548 p2p_dbg(p2p, "Probe Req DA " MACSTR_SEC " not ours - ignore it",
2549 MAC2STR_SEC(dst));
2550 return P2P_PREQ_NOT_PROCESSED;
2551 }
2552
2553 if (bssid && !is_broadcast_ether_addr(bssid)) {
2554 /* Not sent to the Wildcard BSSID */
2555 p2p_dbg(p2p, "Probe Req BSSID " MACSTR_SEC " not wildcard - ignore it",
2556 MAC2STR_SEC(bssid));
2557 return P2P_PREQ_NOT_PROCESSED;
2558 }
2559
2560 if (elems.ssid == NULL || elems.ssid_len != P2P_WILDCARD_SSID_LEN ||
2561 os_memcmp(elems.ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) !=
2562 0) {
2563 /* not using P2P Wildcard SSID - ignore */
2564 p2p_dbg(p2p, "Probe Req not using P2P Wildcard SSID - ignore it");
2565 return P2P_PREQ_NOT_PROCESSED;
2566 }
2567
2568 if (supp_rates_11b_only(&elems)) {
2569 /* Indicates support for 11b rates only */
2570 p2p_dbg(p2p, "Probe Req with 11b rates only supported - ignore it");
2571 return P2P_PREQ_NOT_P2P;
2572 }
2573
2574 os_memset(&msg, 0, sizeof(msg));
2575 if (p2p_parse_ies(ie, ie_len, &msg) < 0) {
2576 /* Could not parse P2P attributes */
2577 p2p_dbg(p2p, "Could not parse P2P attributes in Probe Req - ignore it");
2578 return P2P_PREQ_NOT_P2P;
2579 }
2580
2581 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
2582 hm_p2p_save_peer_info(&elems, addr);
2583 #endif
2584
2585 if (msg.service_hash && msg.service_hash_count) {
2586 const u8 *hash = msg.service_hash;
2587 u8 i;
2588 int p2ps_svc_found = 0;
2589
2590 p2p_dbg(p2p, "in_listen=%d drv_in_listen=%d when received P2PS Probe Request at %u MHz; own Listen channel %u, pending listen freq %u MHz",
2591 p2p->in_listen, p2p->drv_in_listen, rx_freq,
2592 p2p->cfg->channel, p2p->pending_listen_freq);
2593
2594 if (!p2p->in_listen && !p2p->drv_in_listen &&
2595 p2p->pending_listen_freq && rx_freq &&
2596 rx_freq != p2p->pending_listen_freq) {
2597 p2p_dbg(p2p, "Do not reply to Probe Request frame that was received on %u MHz while waiting to start Listen state on %u MHz",
2598 rx_freq, p2p->pending_listen_freq);
2599 p2p_parse_free(&msg);
2600 return P2P_PREQ_NOT_LISTEN;
2601 }
2602
2603 for (i = 0; i < msg.service_hash_count; i++) {
2604 if (p2p_service_find_asp(p2p, hash)) {
2605 p2p_dbg(p2p, "Service Hash match found: "
2606 MACSTR_SEC, MAC2STR_SEC(hash));
2607 p2ps_svc_found = 1;
2608 break;
2609 }
2610 hash += P2PS_HASH_LEN;
2611 }
2612
2613 /* Probed hash unknown */
2614 if (!p2ps_svc_found) {
2615 p2p_dbg(p2p, "No Service Hash match found");
2616 p2p_parse_free(&msg);
2617 return P2P_PREQ_NOT_PROCESSED;
2618 }
2619 } else {
2620 /* This is not a P2PS Probe Request */
2621 p2p_dbg(p2p, "No P2PS Hash in Probe Request");
2622
2623 if (!p2p->in_listen || !p2p->drv_in_listen) {
2624 /* not in Listen state - ignore Probe Request */
2625 p2p_dbg(p2p, "Not in Listen state (in_listen=%d drv_in_listen=%d) - ignore Probe Request",
2626 p2p->in_listen, p2p->drv_in_listen);
2627 p2p_parse_free(&msg);
2628 return P2P_PREQ_NOT_LISTEN;
2629 }
2630 }
2631
2632 if (msg.device_id &&
2633 !ether_addr_equal(msg.device_id, p2p->cfg->dev_addr)) {
2634 /* Device ID did not match */
2635 p2p_dbg(p2p, "Probe Req requested Device ID " MACSTR_SEC " did not match - ignore it",
2636 MAC2STR_SEC(msg.device_id));
2637 p2p_parse_free(&msg);
2638 return P2P_PREQ_NOT_PROCESSED;
2639 }
2640
2641 /* Check Requested Device Type match */
2642 if (msg.wps_attributes &&
2643 !p2p_match_dev_type(p2p, msg.wps_attributes)) {
2644 /* No match with Requested Device Type */
2645 p2p_dbg(p2p, "Probe Req requested Device Type did not match - ignore it");
2646 p2p_parse_free(&msg);
2647 return P2P_PREQ_NOT_PROCESSED;
2648 }
2649
2650 if (!p2p->cfg->send_probe_resp) {
2651 /* Response generated elsewhere */
2652 p2p_dbg(p2p, "Probe Resp generated elsewhere - do not generate additional response");
2653 p2p_parse_free(&msg);
2654 return P2P_PREQ_NOT_PROCESSED;
2655 }
2656
2657 p2p_dbg(p2p, "Reply to P2P Probe Request in Listen state");
2658
2659 /*
2660 * We do not really have a specific BSS that this frame is advertising,
2661 * so build a frame that has some information in valid format. This is
2662 * really only used for discovery purposes, not to learn exact BSS
2663 * parameters.
2664 */
2665 ies = p2p_build_probe_resp_ies(p2p, msg.service_hash,
2666 msg.service_hash_count);
2667 p2p_parse_free(&msg);
2668 if (ies == NULL)
2669 return P2P_PREQ_NOT_PROCESSED;
2670
2671 buf = wpabuf_alloc(200 + wpabuf_len(ies));
2672 if (buf == NULL) {
2673 wpabuf_free(ies);
2674 return P2P_PREQ_NOT_PROCESSED;
2675 }
2676
2677 if (p2p_build_probe_resp_buf(p2p, buf, ies, addr, rx_freq)) {
2678 wpabuf_free(ies);
2679 wpabuf_free(buf);
2680 return P2P_PREQ_NOT_PROCESSED;
2681 }
2682
2683 wpabuf_free(ies);
2684
2685 p2p->cfg->send_probe_resp(p2p->cfg->cb_ctx, buf, rx_freq);
2686
2687 wpabuf_free(buf);
2688
2689 return P2P_PREQ_PROCESSED;
2690 }
2691
2692
2693 enum p2p_probe_req_status
2694 p2p_probe_req_rx(struct p2p_data *p2p, const u8 *addr, const u8 *dst,
2695 const u8 *bssid, const u8 *ie, size_t ie_len,
2696 unsigned int rx_freq, int p2p_lo_started)
2697 {
2698 enum p2p_probe_req_status res;
2699
2700 p2p_add_dev_from_probe_req(p2p, addr, ie, ie_len);
2701
2702 if (p2p_lo_started) {
2703 p2p_dbg(p2p,
2704 "Probe Response is offloaded, do not reply Probe Request");
2705 return P2P_PREQ_PROCESSED;
2706 }
2707
2708 res = p2p_reply_probe(p2p, addr, dst, bssid, ie, ie_len, rx_freq);
2709 if (res != P2P_PREQ_PROCESSED && res != P2P_PREQ_NOT_PROCESSED)
2710 return res;
2711
2712 /*
2713 * Activate a pending GO Negotiation/Invite flow if a received Probe
2714 * Request frame is from an expected peer. Some devices may share the
2715 * same address for P2P and non-P2P STA running simultaneously. The
2716 * P2P_PREQ_PROCESSED and P2P_PREQ_NOT_PROCESSED p2p_reply_probe()
2717 * return values verified above ensure we are handling a Probe Request
2718 * frame from a P2P peer.
2719 */
2720 if ((p2p->state == P2P_CONNECT || p2p->state == P2P_CONNECT_LISTEN) &&
2721 p2p->go_neg_peer &&
2722 ether_addr_equal(addr, p2p->go_neg_peer->info.p2p_device_addr) &&
2723 !(p2p->go_neg_peer->flags & P2P_DEV_WAIT_GO_NEG_CONFIRM)) {
2724 /* Received a Probe Request from GO Negotiation peer */
2725 p2p_dbg(p2p, "Found GO Negotiation peer - try to start GO negotiation from timeout");
2726 eloop_cancel_timeout(p2p_go_neg_start, p2p, NULL);
2727 eloop_register_timeout(0, 0, p2p_go_neg_start, p2p, NULL);
2728 return res;
2729 }
2730
2731 if ((p2p->state == P2P_INVITE || p2p->state == P2P_INVITE_LISTEN) &&
2732 p2p->invite_peer &&
2733 (p2p->invite_peer->flags & P2P_DEV_WAIT_INV_REQ_ACK) &&
2734 ether_addr_equal(addr, p2p->invite_peer->info.p2p_device_addr)) {
2735 /* Received a Probe Request from Invite peer */
2736 p2p_dbg(p2p, "Found Invite peer - try to start Invite from timeout");
2737 eloop_cancel_timeout(p2p_invite_start, p2p, NULL);
2738 eloop_register_timeout(0, 0, p2p_invite_start, p2p, NULL);
2739 return res;
2740 }
2741
2742 return res;
2743 }
2744
2745
2746 static int p2p_assoc_req_ie_wlan_ap(struct p2p_data *p2p, const u8 *bssid,
2747 u8 *buf, size_t len, struct wpabuf *p2p_ie)
2748 {
2749 struct wpabuf *tmp;
2750 u8 *lpos;
2751 size_t tmplen;
2752 int res;
2753 u8 group_capab;
2754 struct p2p_message msg;
2755
2756 if (p2p_ie == NULL)
2757 return 0; /* WLAN AP is not a P2P manager */
2758
2759 os_memset(&msg, 0, sizeof(msg));
2760 if (p2p_parse_p2p_ie(p2p_ie, &msg) < 0)
2761 return 0;
2762
2763 p2p_dbg(p2p, "BSS P2P manageability %s",
2764 msg.manageability ? "enabled" : "disabled");
2765
2766 if (!msg.manageability)
2767 return 0;
2768
2769 /*
2770 * (Re)Association Request - P2P IE
2771 * P2P Capability attribute (shall be present)
2772 * P2P Interface attribute (present if concurrent device and
2773 * P2P Management is enabled)
2774 */
2775 tmp = wpabuf_alloc(200);
2776 if (tmp == NULL)
2777 return -1;
2778
2779 lpos = p2p_buf_add_ie_hdr(tmp);
2780 group_capab = 0;
2781 if (p2p->num_groups > 0) {
2782 group_capab |= P2P_GROUP_CAPAB_GROUP_OWNER;
2783 if ((p2p->dev_capab & P2P_DEV_CAPAB_CONCURRENT_OPER) &&
2784 (p2p->dev_capab & P2P_DEV_CAPAB_INFRA_MANAGED) &&
2785 p2p->cross_connect)
2786 group_capab |= P2P_GROUP_CAPAB_CROSS_CONN;
2787 }
2788 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
2789 p2p_dbg(p2p, "p2p_build_probe_resp_ies:num_groups:%lu.group_capab:%x",
2790 (unsigned long)p2p->num_groups, group_capab);
2791 #endif
2792 p2p_buf_add_capability(tmp, p2p->dev_capab, group_capab);
2793 if ((p2p->dev_capab & P2P_DEV_CAPAB_CONCURRENT_OPER) &&
2794 (p2p->dev_capab & P2P_DEV_CAPAB_INFRA_MANAGED))
2795 p2p_buf_add_p2p_interface(tmp, p2p);
2796 p2p_buf_update_ie_hdr(tmp, lpos);
2797
2798 tmplen = wpabuf_len(tmp);
2799 if (tmplen > len)
2800 res = -1;
2801 else {
2802 os_memcpy(buf, wpabuf_head(tmp), tmplen);
2803 res = tmplen;
2804 }
2805 wpabuf_free(tmp);
2806
2807 return res;
2808 }
2809
2810
2811 int p2p_assoc_req_ie(struct p2p_data *p2p, const u8 *bssid, u8 *buf,
2812 size_t len, int p2p_group, struct wpabuf *p2p_ie)
2813 {
2814 struct wpabuf *tmp;
2815 u8 *lpos;
2816 struct p2p_device *peer;
2817 size_t tmplen;
2818 int res;
2819 size_t extra = 0;
2820
2821 if (!p2p_group)
2822 return p2p_assoc_req_ie_wlan_ap(p2p, bssid, buf, len, p2p_ie);
2823
2824 #ifdef CONFIG_WIFI_DISPLAY
2825 if (p2p->wfd_ie_assoc_req)
2826 extra = wpabuf_len(p2p->wfd_ie_assoc_req);
2827 #endif /* CONFIG_WIFI_DISPLAY */
2828
2829 if (p2p->vendor_elem && p2p->vendor_elem[VENDOR_ELEM_P2P_ASSOC_REQ])
2830 extra += wpabuf_len(p2p->vendor_elem[VENDOR_ELEM_P2P_ASSOC_REQ]);
2831
2832 /*
2833 * (Re)Association Request - P2P IE
2834 * P2P Capability attribute (shall be present)
2835 * Extended Listen Timing (may be present)
2836 * P2P Device Info attribute (shall be present)
2837 */
2838 tmp = wpabuf_alloc(200 + extra);
2839 if (tmp == NULL)
2840 return -1;
2841
2842 #ifdef CONFIG_WIFI_DISPLAY
2843 if (p2p->wfd_ie_assoc_req)
2844 wpabuf_put_buf(tmp, p2p->wfd_ie_assoc_req);
2845 #endif /* CONFIG_WIFI_DISPLAY */
2846
2847 if (p2p->vendor_elem && p2p->vendor_elem[VENDOR_ELEM_P2P_ASSOC_REQ])
2848 wpabuf_put_buf(tmp,
2849 p2p->vendor_elem[VENDOR_ELEM_P2P_ASSOC_REQ]);
2850
2851 peer = bssid ? p2p_get_device(p2p, bssid) : NULL;
2852
2853 lpos = p2p_buf_add_ie_hdr(tmp);
2854 p2p_buf_add_capability(tmp, p2p->dev_capab, 0);
2855 if (p2p->ext_listen_interval)
2856 p2p_buf_add_ext_listen_timing(tmp, p2p->ext_listen_period,
2857 p2p->ext_listen_interval);
2858 p2p_buf_add_device_info(tmp, p2p, peer);
2859 p2p_buf_update_ie_hdr(tmp, lpos);
2860
2861 tmplen = wpabuf_len(tmp);
2862 if (tmplen > len)
2863 res = -1;
2864 else {
2865 os_memcpy(buf, wpabuf_head(tmp), tmplen);
2866 res = tmplen;
2867 }
2868 wpabuf_free(tmp);
2869
2870 return res;
2871 }
2872
2873
2874 int p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, char *end)
2875 {
2876 struct wpabuf *p2p_ie;
2877 int ret;
2878
2879 p2p_ie = ieee802_11_vendor_ie_concat(ies, ies_len, P2P_IE_VENDOR_TYPE);
2880 if (p2p_ie == NULL)
2881 return 0;
2882
2883 ret = p2p_attr_text(p2p_ie, buf, end);
2884 wpabuf_free(p2p_ie);
2885 return ret;
2886 }
2887
2888
2889 struct p2ps_advertisement *
2890 p2p_service_p2ps_id(struct p2p_data *p2p, u32 adv_id)
2891 {
2892 struct p2ps_advertisement *adv_data;
2893
2894 if (!p2p)
2895 return NULL;
2896
2897 adv_data = p2p->p2ps_adv_list;
2898 while (adv_data) {
2899 if (adv_data->id == adv_id)
2900 return adv_data;
2901 adv_data = adv_data->next;
2902 }
2903
2904 return NULL;
2905 }
2906
2907
2908 int p2p_service_del_asp(struct p2p_data *p2p, u32 adv_id)
2909 {
2910 struct p2ps_advertisement *adv_data;
2911 struct p2ps_advertisement **prior;
2912
2913 if (!p2p)
2914 return -1;
2915
2916 adv_data = p2p->p2ps_adv_list;
2917 prior = &p2p->p2ps_adv_list;
2918 while (adv_data) {
2919 if (adv_data->id == adv_id) {
2920 p2p_dbg(p2p, "Delete ASP adv_id=0x%x", adv_id);
2921 *prior = adv_data->next;
2922 os_free(adv_data);
2923 return 0;
2924 }
2925 prior = &adv_data->next;
2926 adv_data = adv_data->next;
2927 }
2928
2929 return -1;
2930 }
2931
2932
2933 int p2p_service_add_asp(struct p2p_data *p2p, int auto_accept, u32 adv_id,
2934 const char *adv_str, u8 svc_state, u16 config_methods,
2935 const char *svc_info, const u8 *cpt_priority)
2936 {
2937 struct p2ps_advertisement *adv_data, *tmp, **prev;
2938 u8 buf[P2PS_HASH_LEN];
2939 size_t adv_data_len, adv_len, info_len = 0;
2940 int i;
2941
2942 if (!p2p || !adv_str || !adv_str[0] || !cpt_priority)
2943 return -1;
2944
2945 if (!(config_methods & p2p->cfg->config_methods)) {
2946 p2p_dbg(p2p, "Config methods not supported svc: 0x%x dev: 0x%x",
2947 config_methods, p2p->cfg->config_methods);
2948 return -1;
2949 }
2950
2951 if (!p2ps_gen_hash(p2p, adv_str, buf))
2952 return -1;
2953
2954 if (svc_info)
2955 info_len = os_strlen(svc_info);
2956 adv_len = os_strlen(adv_str);
2957 adv_data_len = sizeof(struct p2ps_advertisement) + adv_len + 1 +
2958 info_len + 1;
2959
2960 adv_data = os_zalloc(adv_data_len);
2961 if (!adv_data)
2962 return -1;
2963
2964 os_memcpy(adv_data->hash, buf, P2PS_HASH_LEN);
2965 adv_data->id = adv_id;
2966 adv_data->state = svc_state;
2967 adv_data->config_methods = config_methods & p2p->cfg->config_methods;
2968 adv_data->auto_accept = (u8) auto_accept;
2969 os_memcpy(adv_data->svc_name, adv_str, adv_len);
2970
2971 for (i = 0; cpt_priority[i] && i < P2PS_FEATURE_CAPAB_CPT_MAX; i++) {
2972 adv_data->cpt_priority[i] = cpt_priority[i];
2973 adv_data->cpt_mask |= cpt_priority[i];
2974 }
2975
2976 if (svc_info && info_len) {
2977 adv_data->svc_info = &adv_data->svc_name[adv_len + 1];
2978 os_memcpy(adv_data->svc_info, svc_info, info_len);
2979 }
2980
2981 /*
2982 * Group Advertisements by service string. They do not need to be
2983 * sorted, but groups allow easier Probe Response instance grouping
2984 */
2985 tmp = p2p->p2ps_adv_list;
2986 prev = &p2p->p2ps_adv_list;
2987 while (tmp) {
2988 if (tmp->id == adv_data->id) {
2989 if (os_strcmp(tmp->svc_name, adv_data->svc_name) != 0) {
2990 os_free(adv_data);
2991 return -1;
2992 }
2993 adv_data->next = tmp->next;
2994 *prev = adv_data;
2995 os_free(tmp);
2996 goto inserted;
2997 } else {
2998 if (os_strcmp(tmp->svc_name, adv_data->svc_name) == 0) {
2999 adv_data->next = tmp->next;
3000 tmp->next = adv_data;
3001 goto inserted;
3002 }
3003 }
3004 prev = &tmp->next;
3005 tmp = tmp->next;
3006 }
3007
3008 /* No svc_name match found */
3009 adv_data->next = p2p->p2ps_adv_list;
3010 p2p->p2ps_adv_list = adv_data;
3011
3012 inserted:
3013 p2p_dbg(p2p,
3014 "Added ASP advertisement adv_id=0x%x config_methods=0x%x svc_state=0x%x adv_str='%s' cpt_mask=0x%x",
3015 adv_id, adv_data->config_methods, svc_state, adv_str,
3016 adv_data->cpt_mask);
3017
3018 return 0;
3019 }
3020
3021
3022 void p2p_service_flush_asp(struct p2p_data *p2p)
3023 {
3024 struct p2ps_advertisement *adv, *prev;
3025
3026 if (!p2p)
3027 return;
3028
3029 adv = p2p->p2ps_adv_list;
3030 while (adv) {
3031 prev = adv;
3032 adv = adv->next;
3033 os_free(prev);
3034 }
3035
3036 p2p->p2ps_adv_list = NULL;
3037 p2ps_prov_free(p2p);
3038 p2p_dbg(p2p, "All ASP advertisements flushed");
3039 }
3040
3041
3042 int p2p_parse_dev_addr_in_p2p_ie(struct wpabuf *p2p_ie, u8 *dev_addr)
3043 {
3044 struct p2p_message msg;
3045
3046 os_memset(&msg, 0, sizeof(msg));
3047 if (p2p_parse_p2p_ie(p2p_ie, &msg))
3048 return -1;
3049
3050 if (msg.p2p_device_addr) {
3051 os_memcpy(dev_addr, msg.p2p_device_addr, ETH_ALEN);
3052 return 0;
3053 } else if (msg.device_id) {
3054 os_memcpy(dev_addr, msg.device_id, ETH_ALEN);
3055 return 0;
3056 }
3057 return -1;
3058 }
3059
3060
3061 int p2p_parse_dev_addr(const u8 *ies, size_t ies_len, u8 *dev_addr)
3062 {
3063 struct wpabuf *p2p_ie;
3064 int ret;
3065
3066 p2p_ie = ieee802_11_vendor_ie_concat(ies, ies_len,
3067 P2P_IE_VENDOR_TYPE);
3068 if (p2p_ie == NULL)
3069 return -1;
3070 ret = p2p_parse_dev_addr_in_p2p_ie(p2p_ie, dev_addr);
3071 wpabuf_free(p2p_ie);
3072 return ret;
3073 }
3074
3075
3076 static void p2p_clear_go_neg(struct p2p_data *p2p)
3077 {
3078 p2p->go_neg_peer = NULL;
3079 p2p_clear_timeout(p2p);
3080 p2p_set_state(p2p, P2P_IDLE);
3081 }
3082
3083
3084 void p2p_wps_success_cb(struct p2p_data *p2p, const u8 *mac_addr)
3085 {
3086 if (p2p->go_neg_peer == NULL) {
3087 p2p_dbg(p2p, "No pending Group Formation - ignore WPS registration success notification");
3088 return; /* No pending Group Formation */
3089 }
3090
3091 if (!ether_addr_equal(mac_addr, p2p->go_neg_peer->intended_addr)) {
3092 p2p_dbg(p2p, "Ignore WPS registration success notification for "
3093 MACSTR_SEC " (GO Negotiation peer " MACSTR_SEC ")",
3094 MAC2STR_SEC(mac_addr),
3095 MAC2STR_SEC(p2p->go_neg_peer->intended_addr));
3096 return; /* Ignore unexpected peer address */
3097 }
3098
3099 p2p_dbg(p2p, "Group Formation completed successfully with " MACSTR_SEC,
3100 MAC2STR_SEC(mac_addr));
3101
3102 p2p_clear_go_neg(p2p);
3103 }
3104
3105
3106 void p2p_group_formation_failed(struct p2p_data *p2p)
3107 {
3108 if (p2p->go_neg_peer == NULL) {
3109 p2p_dbg(p2p, "No pending Group Formation - ignore group formation failure notification");
3110 return; /* No pending Group Formation */
3111 }
3112
3113 p2p_dbg(p2p, "Group Formation failed with " MACSTR_SEC,
3114 MAC2STR_SEC(p2p->go_neg_peer->intended_addr));
3115
3116 p2p_clear_go_neg(p2p);
3117 }
3118
3119
3120 bool is_p2p_6ghz_disabled(struct p2p_data *p2p)
3121 {
3122 if (p2p)
3123 return p2p->cfg->p2p_6ghz_disable;
3124 return false;
3125 }
3126
3127
3128 struct p2p_data * p2p_init(const struct p2p_config *cfg)
3129 {
3130 struct p2p_data *p2p;
3131
3132 if (cfg->max_peers < 1 ||
3133 cfg->passphrase_len < 8 || cfg->passphrase_len > 63)
3134 return NULL;
3135
3136 p2p = os_zalloc(sizeof(*p2p) + sizeof(*cfg));
3137 if (p2p == NULL)
3138 return NULL;
3139 p2p->cfg = (struct p2p_config *) (p2p + 1);
3140 os_memcpy(p2p->cfg, cfg, sizeof(*cfg));
3141 if (cfg->dev_name)
3142 p2p->cfg->dev_name = os_strdup(cfg->dev_name);
3143 if (cfg->manufacturer)
3144 p2p->cfg->manufacturer = os_strdup(cfg->manufacturer);
3145 if (cfg->model_name)
3146 p2p->cfg->model_name = os_strdup(cfg->model_name);
3147 if (cfg->model_number)
3148 p2p->cfg->model_number = os_strdup(cfg->model_number);
3149 if (cfg->serial_number)
3150 p2p->cfg->serial_number = os_strdup(cfg->serial_number);
3151 if (cfg->pref_chan) {
3152 p2p->cfg->pref_chan = os_malloc(cfg->num_pref_chan *
3153 sizeof(struct p2p_channel));
3154 if (p2p->cfg->pref_chan) {
3155 os_memcpy(p2p->cfg->pref_chan, cfg->pref_chan,
3156 cfg->num_pref_chan *
3157 sizeof(struct p2p_channel));
3158 } else
3159 p2p->cfg->num_pref_chan = 0;
3160 }
3161
3162 p2ps_gen_hash(p2p, P2PS_WILD_HASH_STR, p2p->wild_card_hash);
3163
3164 #ifdef HARMONY_P2P_CONNECTIVITY_PATCH
3165 p2p->min_disc_int = 2;
3166 #else
3167 p2p->min_disc_int = 1;
3168 #endif /* HARMONY_P2P_CONNECTIVITY_PATCH */
3169 p2p->max_disc_int = 3;
3170 p2p->max_disc_tu = -1;
3171
3172 if (os_get_random(&p2p->next_tie_breaker, 1) < 0)
3173 p2p->next_tie_breaker = 0;
3174 p2p->next_tie_breaker &= 0x01;
3175 if (cfg->sd_request)
3176 p2p->dev_capab |= P2P_DEV_CAPAB_SERVICE_DISCOVERY;
3177 p2p->dev_capab |= P2P_DEV_CAPAB_INVITATION_PROCEDURE;
3178 if (cfg->concurrent_operations)
3179 p2p->dev_capab |= P2P_DEV_CAPAB_CONCURRENT_OPER;
3180 p2p->dev_capab |= P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY;
3181
3182 dl_list_init(&p2p->devices);
3183
3184 p2p->go_timeout = 100;
3185 p2p->client_timeout = 20;
3186 p2p->num_p2p_sd_queries = 0;
3187
3188 p2p_dbg(p2p, "initialized");
3189 p2p_channels_dump(p2p, "channels", &p2p->cfg->channels);
3190 p2p_channels_dump(p2p, "cli_channels", &p2p->cfg->cli_channels);
3191
3192 #ifdef CONFIG_OPEN_HARMONY_PATCH
3193 #ifdef HARMONY_P2P_CONNECTIVITY_PATCH
3194 /* GO negotiation optimization initial, set enable to 1 and process to 1*/
3195 p2p_set_enable_go_neg_opt(p2p, 1);
3196 p2p_set_process_go_neg_opt(p2p, 1);
3197 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
3198 p2p->calculated_go_intent = P2P_GO_NEG_OPT_INTENT;
3199 #endif
3200 #endif
3201 #endif
3202 #ifdef HARMONY_CONNECTIVITY_PATCH
3203 #ifndef OPEN_HARMONY_MIRACAST_SINK_OPT
3204 p2p_set_persistent_group_need_remove_flag(p2p, 0);
3205 #endif
3206 #endif
3207
3208 #ifdef OPEN_HARMONY_P2P_ONEHOP_FIND
3209 p2p->pvt_p2p_service = P2P_NORMAL_FIND;
3210 #endif
3211 #ifdef CONFIG_WIFI_RPT
3212 p2p->p2p_rpt_net_id = DEFAULT_RPT_ID;
3213 #endif
3214 return p2p;
3215 }
3216
3217
3218 void p2p_deinit(struct p2p_data *p2p)
3219 {
3220 #ifdef CONFIG_WIFI_DISPLAY
3221 wpabuf_free(p2p->wfd_ie_beacon);
3222 wpabuf_free(p2p->wfd_ie_probe_req);
3223 wpabuf_free(p2p->wfd_ie_probe_resp);
3224 wpabuf_free(p2p->wfd_ie_assoc_req);
3225 wpabuf_free(p2p->wfd_ie_invitation);
3226 wpabuf_free(p2p->wfd_ie_prov_disc_req);
3227 wpabuf_free(p2p->wfd_ie_prov_disc_resp);
3228 wpabuf_free(p2p->wfd_ie_go_neg);
3229 wpabuf_free(p2p->wfd_dev_info);
3230 wpabuf_free(p2p->wfd_assoc_bssid);
3231 wpabuf_free(p2p->wfd_coupled_sink_info);
3232 wpabuf_free(p2p->wfd_r2_dev_info);
3233 #endif /* CONFIG_WIFI_DISPLAY */
3234
3235 eloop_cancel_timeout(p2p_scan_timeout, p2p, NULL);
3236 eloop_cancel_timeout(p2p_go_neg_start, p2p, NULL);
3237 eloop_cancel_timeout(p2p_go_neg_wait_timeout, p2p, NULL);
3238 p2p_flush(p2p);
3239 p2p_free_req_dev_types(p2p);
3240 os_free(p2p->cfg->dev_name);
3241 os_free(p2p->cfg->manufacturer);
3242 os_free(p2p->cfg->model_name);
3243 os_free(p2p->cfg->model_number);
3244 os_free(p2p->cfg->serial_number);
3245 os_free(p2p->cfg->pref_chan);
3246 os_free(p2p->groups);
3247 p2ps_prov_free(p2p);
3248 wpabuf_free(p2p->sd_resp);
3249 p2p_remove_wps_vendor_extensions(p2p);
3250 os_free(p2p->no_go_freq.range);
3251 p2p_service_flush_asp(p2p);
3252
3253 os_free(p2p);
3254 }
3255
3256
3257 void p2p_flush(struct p2p_data *p2p)
3258 {
3259 struct p2p_device *dev, *prev;
3260
3261 p2p_ext_listen(p2p, 0, 0);
3262 p2p_stop_find(p2p);
3263 dl_list_for_each_safe(dev, prev, &p2p->devices, struct p2p_device,
3264 list) {
3265 dl_list_del(&dev->list);
3266 p2p_device_free(p2p, dev);
3267 }
3268 p2p_free_sd_queries(p2p);
3269 p2p->ssid_set = 0;
3270 p2ps_prov_free(p2p);
3271 p2p_reset_pending_pd(p2p);
3272 p2p->override_pref_op_class = 0;
3273 p2p->override_pref_channel = 0;
3274 }
3275
3276
3277 int p2p_unauthorize(struct p2p_data *p2p, const u8 *addr)
3278 {
3279 struct p2p_device *dev;
3280
3281 dev = p2p_get_device(p2p, addr);
3282 if (dev == NULL)
3283 return -1;
3284
3285 p2p_dbg(p2p, "Unauthorizing " MACSTR_SEC, MAC2STR_SEC(addr));
3286
3287 if (p2p->go_neg_peer == dev) {
3288 eloop_cancel_timeout(p2p_go_neg_wait_timeout, p2p, NULL);
3289 p2p->go_neg_peer = NULL;
3290 }
3291
3292 dev->wps_method = WPS_NOT_READY;
3293 dev->oob_pw_id = 0;
3294 dev->flags &= ~P2P_DEV_WAIT_GO_NEG_RESPONSE;
3295 dev->flags &= ~P2P_DEV_WAIT_GO_NEG_CONFIRM;
3296
3297 return 0;
3298 }
3299
3300
3301 int p2p_set_dev_name(struct p2p_data *p2p, const char *dev_name)
3302 {
3303 os_free(p2p->cfg->dev_name);
3304 if (dev_name) {
3305 p2p->cfg->dev_name = os_strdup(dev_name);
3306 if (p2p->cfg->dev_name == NULL)
3307 return -1;
3308 } else
3309 p2p->cfg->dev_name = NULL;
3310 return 0;
3311 }
3312
3313
3314 int p2p_set_manufacturer(struct p2p_data *p2p, const char *manufacturer)
3315 {
3316 os_free(p2p->cfg->manufacturer);
3317 p2p->cfg->manufacturer = NULL;
3318 if (manufacturer) {
3319 p2p->cfg->manufacturer = os_strdup(manufacturer);
3320 if (p2p->cfg->manufacturer == NULL)
3321 return -1;
3322 }
3323
3324 return 0;
3325 }
3326
3327
3328 int p2p_set_model_name(struct p2p_data *p2p, const char *model_name)
3329 {
3330 os_free(p2p->cfg->model_name);
3331 p2p->cfg->model_name = NULL;
3332 if (model_name) {
3333 p2p->cfg->model_name = os_strdup(model_name);
3334 if (p2p->cfg->model_name == NULL)
3335 return -1;
3336 }
3337
3338 return 0;
3339 }
3340
3341
3342 int p2p_set_model_number(struct p2p_data *p2p, const char *model_number)
3343 {
3344 os_free(p2p->cfg->model_number);
3345 p2p->cfg->model_number = NULL;
3346 if (model_number) {
3347 p2p->cfg->model_number = os_strdup(model_number);
3348 if (p2p->cfg->model_number == NULL)
3349 return -1;
3350 }
3351
3352 return 0;
3353 }
3354
3355
3356 int p2p_set_serial_number(struct p2p_data *p2p, const char *serial_number)
3357 {
3358 os_free(p2p->cfg->serial_number);
3359 p2p->cfg->serial_number = NULL;
3360 if (serial_number) {
3361 p2p->cfg->serial_number = os_strdup(serial_number);
3362 if (p2p->cfg->serial_number == NULL)
3363 return -1;
3364 }
3365
3366 return 0;
3367 }
3368
3369
3370 void p2p_set_config_methods(struct p2p_data *p2p, u16 config_methods)
3371 {
3372 p2p->cfg->config_methods = config_methods;
3373 }
3374
3375
3376 void p2p_set_uuid(struct p2p_data *p2p, const u8 *uuid)
3377 {
3378 os_memcpy(p2p->cfg->uuid, uuid, 16);
3379 }
3380
3381
3382 int p2p_set_pri_dev_type(struct p2p_data *p2p, const u8 *pri_dev_type)
3383 {
3384 os_memcpy(p2p->cfg->pri_dev_type, pri_dev_type, 8);
3385 return 0;
3386 }
3387
3388
3389 int p2p_set_sec_dev_types(struct p2p_data *p2p, const u8 dev_types[][8],
3390 size_t num_dev_types)
3391 {
3392 if (num_dev_types > P2P_SEC_DEVICE_TYPES)
3393 num_dev_types = P2P_SEC_DEVICE_TYPES;
3394 p2p->cfg->num_sec_dev_types = num_dev_types;
3395 os_memcpy(p2p->cfg->sec_dev_type, dev_types, num_dev_types * 8);
3396 return 0;
3397 }
3398
3399
3400 void p2p_remove_wps_vendor_extensions(struct p2p_data *p2p)
3401 {
3402 int i;
3403
3404 for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
3405 wpabuf_free(p2p->wps_vendor_ext[i]);
3406 p2p->wps_vendor_ext[i] = NULL;
3407 }
3408 }
3409
3410
3411 int p2p_add_wps_vendor_extension(struct p2p_data *p2p,
3412 const struct wpabuf *vendor_ext)
3413 {
3414 int i;
3415
3416 if (vendor_ext == NULL)
3417 return -1;
3418
3419 for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
3420 if (p2p->wps_vendor_ext[i] == NULL)
3421 break;
3422 }
3423 if (i >= P2P_MAX_WPS_VENDOR_EXT)
3424 return -1;
3425
3426 p2p->wps_vendor_ext[i] = wpabuf_dup(vendor_ext);
3427 if (p2p->wps_vendor_ext[i] == NULL)
3428 return -1;
3429
3430 return 0;
3431 }
3432
3433
3434 int p2p_set_country(struct p2p_data *p2p, const char *country)
3435 {
3436 os_memcpy(p2p->cfg->country, country, 3);
3437 return 0;
3438 }
3439
3440
3441 static int p2p_pre_find_operation(struct p2p_data *p2p, struct p2p_device *dev)
3442 {
3443 int res;
3444
3445 if (dev->sd_pending_bcast_queries == 0) {
3446 /* Initialize with total number of registered broadcast
3447 * SD queries. */
3448 dev->sd_pending_bcast_queries = p2p->num_p2p_sd_queries;
3449 }
3450
3451 res = p2p_start_sd(p2p, dev);
3452 if (res == -2)
3453 return -2;
3454 if (res == 0)
3455 return 1;
3456
3457 if (dev->req_config_methods &&
3458 !(dev->flags & P2P_DEV_PD_FOR_JOIN)) {
3459 p2p_dbg(p2p, "Send pending Provision Discovery Request to "
3460 MACSTR_SEC " (config methods 0x%x)",
3461 MAC2STR_SEC(dev->info.p2p_device_addr),
3462 dev->req_config_methods);
3463 if (p2p_send_prov_disc_req(p2p, dev, 0, 0) == 0)
3464 return 1;
3465 }
3466
3467 return 0;
3468 }
3469
3470
3471 void p2p_continue_find(struct p2p_data *p2p)
3472 {
3473 struct p2p_device *dev;
3474 int found, res;
3475
3476 p2p_set_state(p2p, P2P_SEARCH);
3477
3478 /* Continue from the device following the last iteration */
3479 found = 0;
3480 dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
3481 if (dev == p2p->last_p2p_find_oper) {
3482 found = 1;
3483 continue;
3484 }
3485 if (!found)
3486 continue;
3487 res = p2p_pre_find_operation(p2p, dev);
3488 if (res > 0) {
3489 p2p->last_p2p_find_oper = dev;
3490 return;
3491 }
3492 if (res == -2)
3493 goto skip_sd;
3494 }
3495
3496 /*
3497 * Wrap around to the beginning of the list and continue until the last
3498 * iteration device.
3499 */
3500 dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
3501 res = p2p_pre_find_operation(p2p, dev);
3502 if (res > 0) {
3503 p2p->last_p2p_find_oper = dev;
3504 return;
3505 }
3506 if (res == -2)
3507 goto skip_sd;
3508 if (dev == p2p->last_p2p_find_oper)
3509 break;
3510 }
3511
3512 skip_sd:
3513 os_memset(p2p->sd_query_no_ack, 0, ETH_ALEN);
3514 p2p_listen_in_find(p2p, 1);
3515 }
3516
3517
3518 void p2p_sd_query_cb(struct p2p_data *p2p, int success)
3519 {
3520 p2p_dbg(p2p, "Service Discovery Query TX callback: success=%d",
3521 success);
3522 p2p->pending_action_state = P2P_NO_PENDING_ACTION;
3523
3524 if (!success) {
3525 if (p2p->sd_peer) {
3526 if (is_zero_ether_addr(p2p->sd_query_no_ack)) {
3527 os_memcpy(p2p->sd_query_no_ack,
3528 p2p->sd_peer->info.p2p_device_addr,
3529 ETH_ALEN);
3530 p2p_dbg(p2p,
3531 "First SD Query no-ACK in this search iteration: "
3532 MACSTR_SEC, MAC2STR_SEC(p2p->sd_query_no_ack));
3533 }
3534 p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
3535 }
3536 p2p->sd_peer = NULL;
3537 if (p2p->state != P2P_IDLE)
3538 p2p_continue_find(p2p);
3539 return;
3540 }
3541
3542 if (p2p->sd_peer == NULL) {
3543 p2p_dbg(p2p, "No SD peer entry known");
3544 if (p2p->state != P2P_IDLE)
3545 p2p_continue_find(p2p);
3546 return;
3547 }
3548
3549 if (p2p->sd_query && p2p->sd_query->for_all_peers) {
3550 /* Update the pending broadcast SD query count for this device
3551 */
3552 p2p->sd_peer->sd_pending_bcast_queries--;
3553
3554 /*
3555 * If there are no pending broadcast queries for this device,
3556 * mark it as done (-1).
3557 */
3558 if (p2p->sd_peer->sd_pending_bcast_queries == 0)
3559 p2p->sd_peer->sd_pending_bcast_queries = -1;
3560 }
3561
3562 /* Wait for response from the peer */
3563 p2p_set_state(p2p, P2P_SD_DURING_FIND);
3564 p2p_set_timeout(p2p, 0, 200000);
3565 }
3566
3567
3568 /**
3569 * p2p_retry_pd - Retry any pending provision disc requests in IDLE state
3570 * @p2p: P2P module context from p2p_init()
3571 */
3572 static void p2p_retry_pd(struct p2p_data *p2p)
3573 {
3574 struct p2p_device *dev;
3575
3576 /*
3577 * Retry the prov disc req attempt only for the peer that the user had
3578 * requested.
3579 */
3580
3581 dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
3582 if (!ether_addr_equal(p2p->pending_pd_devaddr,
3583 dev->info.p2p_device_addr))
3584 continue;
3585 if (!dev->req_config_methods)
3586 continue;
3587
3588 p2p_dbg(p2p, "Send pending Provision Discovery Request to "
3589 MACSTR_SEC " (config methods 0x%x)",
3590 MAC2STR_SEC(dev->info.p2p_device_addr),
3591 dev->req_config_methods);
3592 p2p_send_prov_disc_req(p2p, dev,
3593 dev->flags & P2P_DEV_PD_FOR_JOIN,
3594 p2p->pd_force_freq);
3595 return;
3596 }
3597 }
3598
3599
3600 static void p2p_prov_disc_cb(struct p2p_data *p2p, int success)
3601 {
3602 p2p_info(p2p, "Provision Discovery Request TX callback: success=%d",
3603 success);
3604
3605 /*
3606 * Postpone resetting the pending action state till after we actually
3607 * time out. This allows us to take some action like notifying any
3608 * interested parties about no response to the request.
3609 *
3610 * When the timer (below) goes off we check in IDLE, SEARCH, or
3611 * LISTEN_ONLY state, which are the only allowed states to issue a PD
3612 * requests in, if this was still pending and then raise notification.
3613 */
3614
3615 if (!success) {
3616 p2p->pending_action_state = P2P_NO_PENDING_ACTION;
3617
3618 if (p2p->user_initiated_pd &&
3619 (p2p->state == P2P_SEARCH || p2p->state == P2P_LISTEN_ONLY))
3620 {
3621 /* Retry request from timeout to avoid busy loops */
3622 p2p->pending_action_state = P2P_PENDING_PD;
3623 p2p_set_timeout(p2p, 0, 50000);
3624 } else if (p2p->state != P2P_IDLE)
3625 p2p_continue_find(p2p);
3626 else if (p2p->user_initiated_pd) {
3627 p2p->pending_action_state = P2P_PENDING_PD;
3628 p2p_set_timeout(p2p, 0, 300000);
3629 }
3630 return;
3631 }
3632
3633 /*
3634 * If after PD Request the peer doesn't expect to receive PD Response
3635 * the PD Request ACK indicates a completion of the current PD. This
3636 * happens only on the advertiser side sending the follow-on PD Request
3637 * with the status different than 12 (Success: accepted by user).
3638 */
3639 if (p2p->p2ps_prov && !p2p->p2ps_prov->pd_seeker &&
3640 p2p->p2ps_prov->status != P2P_SC_SUCCESS_DEFERRED) {
3641 p2p_dbg(p2p, "P2PS PD completion on Follow-on PD Request ACK");
3642
3643 if (p2p->send_action_in_progress) {
3644 p2p->send_action_in_progress = 0;
3645 p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
3646 }
3647
3648 p2p->pending_action_state = P2P_NO_PENDING_ACTION;
3649
3650 if (p2p->cfg->p2ps_prov_complete) {
3651 p2p->cfg->p2ps_prov_complete(
3652 p2p->cfg->cb_ctx,
3653 p2p->p2ps_prov->status,
3654 p2p->p2ps_prov->adv_mac,
3655 p2p->p2ps_prov->adv_mac,
3656 p2p->p2ps_prov->session_mac,
3657 NULL, p2p->p2ps_prov->adv_id,
3658 p2p->p2ps_prov->session_id,
3659 0, 0, NULL, 0, 0, 0,
3660 NULL, NULL, 0, 0, NULL, 0);
3661 }
3662
3663 if (p2p->user_initiated_pd)
3664 p2p_reset_pending_pd(p2p);
3665
3666 p2ps_prov_free(p2p);
3667 return;
3668 }
3669
3670 /*
3671 * This postponing, of resetting pending_action_state, needs to be
3672 * done only for user initiated PD requests and not internal ones.
3673 */
3674 if (p2p->user_initiated_pd)
3675 p2p->pending_action_state = P2P_PENDING_PD;
3676 else
3677 p2p->pending_action_state = P2P_NO_PENDING_ACTION;
3678
3679 /* Wait for response from the peer */
3680 if (p2p->state == P2P_SEARCH)
3681 p2p_set_state(p2p, P2P_PD_DURING_FIND);
3682 p2p_set_timeout(p2p, 0, 200000);
3683 }
3684
3685
3686 static void p2p_prov_disc_resp_cb(struct p2p_data *p2p, int success)
3687 {
3688 p2p_dbg(p2p, "Provision Discovery Response TX callback: success=%d",
3689 success);
3690
3691 if (p2p->send_action_in_progress) {
3692 p2p->send_action_in_progress = 0;
3693 p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
3694 }
3695
3696 p2p->pending_action_state = P2P_NO_PENDING_ACTION;
3697
3698 if (!success) {
3699 if (p2p->state == P2P_SEARCH)
3700 p2p_continue_find(p2p);
3701 return;
3702 }
3703
3704 if (!p2p->cfg->prov_disc_resp_cb ||
3705 p2p->cfg->prov_disc_resp_cb(p2p->cfg->cb_ctx) < 1) {
3706 if (p2p->state == P2P_SEARCH)
3707 p2p_continue_find(p2p);
3708 return;
3709 }
3710
3711 p2p_dbg(p2p,
3712 "Post-Provision Discovery operations started - do not try to continue other P2P operations");
3713 }
3714
3715
3716 int p2p_scan_res_handler(struct p2p_data *p2p, const u8 *bssid, int freq,
3717 struct os_reltime *rx_time, int level, const u8 *ies,
3718 size_t ies_len)
3719 {
3720 if (os_reltime_before(rx_time, &p2p->find_start)) {
3721 /*
3722 * The driver may have cached (e.g., in cfg80211 BSS table) the
3723 * scan results for relatively long time. To avoid reporting
3724 * stale information, update P2P peers only based on results
3725 * that have based on frames received after the last p2p_find
3726 * operation was started.
3727 */
3728 p2p_dbg(p2p, "Ignore old scan result for " MACSTR_SEC
3729 " (rx_time=%u.%06u find_start=%u.%06u)",
3730 MAC2STR_SEC(bssid), (unsigned int) rx_time->sec,
3731 (unsigned int) rx_time->usec,
3732 (unsigned int) p2p->find_start.sec,
3733 (unsigned int) p2p->find_start.usec);
3734 return 0;
3735 }
3736
3737 p2p_add_device(p2p, bssid, freq, rx_time, level, ies, ies_len, 1);
3738
3739 return 0;
3740 }
3741
3742
3743 void p2p_scan_res_handled(struct p2p_data *p2p, unsigned int delay)
3744 {
3745 if (!p2p->p2p_scan_running) {
3746 p2p_dbg(p2p, "p2p_scan was not running, but scan results received");
3747 }
3748 p2p->p2p_scan_running = 0;
3749
3750 /* Use this delay only when p2p_find doesn't set it */
3751 if (!p2p->search_delay)
3752 p2p->search_delay = delay;
3753
3754 eloop_cancel_timeout(p2p_scan_timeout, p2p, NULL);
3755
3756 if (p2p_run_after_scan(p2p))
3757 return;
3758 if (p2p->state == P2P_SEARCH)
3759 p2p_continue_find(p2p);
3760 }
3761
3762
3763 void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies, const u8 *dev_id,
3764 unsigned int bands)
3765 {
3766 u8 dev_capab;
3767 u8 *len;
3768
3769 #ifdef CONFIG_WIFI_DISPLAY
3770 if (p2p->wfd_ie_probe_req)
3771 wpabuf_put_buf(ies, p2p->wfd_ie_probe_req);
3772 #endif /* CONFIG_WIFI_DISPLAY */
3773
3774 if (p2p->vendor_elem && p2p->vendor_elem[VENDOR_ELEM_PROBE_REQ_P2P])
3775 wpabuf_put_buf(ies,
3776 p2p->vendor_elem[VENDOR_ELEM_PROBE_REQ_P2P]);
3777
3778 len = p2p_buf_add_ie_hdr(ies);
3779
3780 dev_capab = p2p->dev_capab & ~P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY;
3781
3782 /* P2PS requires Probe Request frames to include SD bit */
3783 if (p2p->p2ps_seek && p2p->p2ps_seek_count)
3784 dev_capab |= P2P_DEV_CAPAB_SERVICE_DISCOVERY;
3785
3786 p2p_buf_add_capability(ies, dev_capab, 0);
3787
3788 if (dev_id)
3789 p2p_buf_add_device_id(ies, dev_id);
3790 if (p2p->cfg->reg_class && p2p->cfg->channel)
3791 p2p_buf_add_listen_channel(ies, p2p->cfg->country,
3792 p2p->cfg->reg_class,
3793 p2p->cfg->channel);
3794 if (p2p->ext_listen_interval)
3795 p2p_buf_add_ext_listen_timing(ies, p2p->ext_listen_period,
3796 p2p->ext_listen_interval);
3797
3798 if (bands & BAND_60_GHZ)
3799 p2p_buf_add_device_info(ies, p2p, NULL);
3800
3801 if (p2p->p2ps_seek && p2p->p2ps_seek_count)
3802 p2p_buf_add_service_hash(ies, p2p);
3803
3804 /* TODO: p2p_buf_add_operating_channel() if GO */
3805 p2p_buf_update_ie_hdr(ies, len);
3806 }
3807
3808
3809 size_t p2p_scan_ie_buf_len(struct p2p_data *p2p)
3810 {
3811 size_t len = 100;
3812
3813 #ifdef CONFIG_WIFI_DISPLAY
3814 if (p2p && p2p->wfd_ie_probe_req)
3815 len += wpabuf_len(p2p->wfd_ie_probe_req);
3816 #endif /* CONFIG_WIFI_DISPLAY */
3817
3818 if (p2p && p2p->vendor_elem &&
3819 p2p->vendor_elem[VENDOR_ELEM_PROBE_REQ_P2P])
3820 len += wpabuf_len(p2p->vendor_elem[VENDOR_ELEM_PROBE_REQ_P2P]);
3821
3822 return len;
3823 }
3824
3825
3826 int p2p_ie_text(struct wpabuf *p2p_ie, char *buf, char *end)
3827 {
3828 return p2p_attr_text(p2p_ie, buf, end);
3829 }
3830
3831
3832 static void p2p_go_neg_req_cb(struct p2p_data *p2p, int success)
3833 {
3834 struct p2p_device *dev = p2p->go_neg_peer;
3835 int timeout;
3836
3837 p2p_dbg(p2p, "GO Negotiation Request TX callback: success=%d", success);
3838
3839 if (dev == NULL) {
3840 p2p_dbg(p2p, "No pending GO Negotiation");
3841 return;
3842 }
3843
3844 if (success) {
3845 if (dev->flags & P2P_DEV_USER_REJECTED) {
3846 #ifdef CONFIG_P2P_USER_REJECT
3847 dev->flags &= ~P2P_DEV_USER_REJECTED;
3848 dev->status = P2P_SC_SUCCESS;
3849 /* reject packet ack=0 resend and find state issue */
3850 dev->wps_method = WPS_NOT_READY;
3851 dev->oob_pw_id = 0;
3852 dev->flags &= ~P2P_DEV_PEER_WAITING_RESPONSE;
3853 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
3854 p2p_dbg(p2p, "p2p_reject with ack success, p2p state is %s",
3855 p2p_state_txt(p2p->state));
3856 p2p_set_state(p2p, P2P_IDLE);
3857 #else
3858 if (p2p->state != P2P_SEARCH) {
3859 p2p_dbg(p2p, "p2p_reject with ack, state is %s, reject_continue find", p2p_state_txt(p2p->state));
3860 p2p_continue_find(p2p);
3861 }
3862 #endif /*CONFIG_OPEN_HARMONY_PATCH && CONFIG_MIRACAST_SINK_OPT*/
3863 #else
3864 p2p_set_state(p2p, P2P_IDLE);
3865 #endif /*CONFIG_P2P_USER_REJECT*/
3866 return;
3867 }
3868 } else if (dev->go_neg_req_sent) {
3869 /* Cancel the increment from p2p_connect_send() on failure */
3870 dev->go_neg_req_sent--;
3871 }
3872
3873 #ifdef CONFIG_P2P_USER_REJECT
3874 if (!success && (dev->flags & P2P_DEV_USER_REJECTED)) {
3875 p2p_dbg(p2p, "p2p_reject without ack, set flag to resend it");
3876 dev->flags |= P2P_DEV_PEER_WAITING_RESPONSE;
3877 }
3878 #endif
3879
3880 if (!success &&
3881 (dev->info.dev_capab & P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY) &&
3882 !is_zero_ether_addr(dev->member_in_go_dev)) {
3883 p2p_dbg(p2p, "Peer " MACSTR_SEC " did not acknowledge request - try to use device discoverability through its GO",
3884 MAC2STR_SEC(dev->info.p2p_device_addr));
3885 p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
3886 p2p_send_dev_disc_req(p2p, dev);
3887 return;
3888 }
3889
3890 /*
3891 * Use P2P find, if needed, to find the other device from its listen
3892 * channel.
3893 */
3894 p2p_set_state(p2p, P2P_CONNECT);
3895 #ifdef HARMONY_P2P_CONNECTIVITY_PATCH
3896 timeout = success ? P2P_CONNECT_TIMEOUT_MAX_USEC : P2P_CONNECT_TIMEOUT_MIN_USEC;
3897 #else
3898 timeout = success ? P2P_CONNECT_TIMEOUT_DEFAULT_USEC : P2P_CONNECT_TIMEOUT_MIN_USEC;
3899 #endif
3900 if (!success && p2p->go_neg_peer &&
3901 (p2p->go_neg_peer->flags & P2P_DEV_PEER_WAITING_RESPONSE)) {
3902 unsigned int r;
3903 /*
3904 * Peer is expected to wait our response and we will skip the
3905 * listen phase. Add some randomness to the wait time here to
3906 * make it less likely to hit cases where we could end up in
3907 * sync with peer not listening.
3908 */
3909 if (os_get_random((u8 *) &r, sizeof(r)) < 0)
3910 r = 0;
3911 timeout += r % 100000;
3912 }
3913 p2p_set_timeout(p2p, 0, timeout);
3914 }
3915
3916
3917 static void p2p_go_neg_resp_cb(struct p2p_data *p2p, int success)
3918 {
3919 p2p_dbg(p2p, "GO Negotiation Response TX callback: success=%d",
3920 success);
3921 if (!p2p->go_neg_peer && p2p->state == P2P_PROVISIONING) {
3922 p2p_dbg(p2p, "Ignore TX callback event - GO Negotiation is not running anymore");
3923 return;
3924 }
3925 p2p_set_state(p2p, P2P_CONNECT);
3926 #if defined(CONFIG_OHOS_P2P)
3927 p2p_set_timeout(p2p, 0, 800000);
3928 #elif defined(CONFIG_P2P_OPT)
3929 p2p_set_timeout(p2p, 0, P2P_CONNECT_TIMEOUT_USEC);
3930 #else
3931 p2p_set_timeout(p2p, 0, 500000);
3932 #endif // CONFIG_OHOS_P2P
3933 }
3934
3935
3936 static void p2p_go_neg_resp_failure_cb(struct p2p_data *p2p, int success,
3937 const u8 *addr)
3938 {
3939 p2p_dbg(p2p, "GO Negotiation Response (failure) TX callback: success=%d", success);
3940 if (p2p->go_neg_peer && p2p->go_neg_peer->status != P2P_SC_SUCCESS) {
3941 p2p_go_neg_failed(p2p, p2p->go_neg_peer->status);
3942 return;
3943 }
3944
3945 if (success) {
3946 struct p2p_device *dev;
3947 dev = p2p_get_device(p2p, addr);
3948 if (dev &&
3949 dev->status == P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE)
3950 dev->flags |= P2P_DEV_PEER_WAITING_RESPONSE;
3951 }
3952
3953 if (p2p->state == P2P_SEARCH || p2p->state == P2P_SD_DURING_FIND)
3954 p2p_continue_find(p2p);
3955 }
3956
3957
3958 static void p2p_go_neg_conf_cb(struct p2p_data *p2p,
3959 enum p2p_send_action_result result)
3960 {
3961 struct p2p_device *dev;
3962
3963 p2p_dbg(p2p, "GO Negotiation Confirm TX callback: result=%d", result);
3964 if (result == P2P_SEND_ACTION_FAILED) {
3965 p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
3966 p2p_go_neg_failed(p2p, -1);
3967 return;
3968 }
3969
3970 dev = p2p->go_neg_peer;
3971
3972 if (result == P2P_SEND_ACTION_NO_ACK) {
3973 /*
3974 * Retry GO Negotiation Confirmation
3975 * P2P_GO_NEG_CNF_MAX_RETRY_COUNT times if we did not receive
3976 * ACK for confirmation.
3977 */
3978 if (dev && dev->go_neg_conf &&
3979 dev->go_neg_conf_sent <= P2P_GO_NEG_CNF_MAX_RETRY_COUNT) {
3980 p2p_dbg(p2p, "GO Negotiation Confirm retry %d",
3981 dev->go_neg_conf_sent);
3982 p2p->pending_action_state = P2P_PENDING_GO_NEG_CONFIRM;
3983 if (p2p_send_action(p2p, dev->go_neg_conf_freq,
3984 dev->info.p2p_device_addr,
3985 p2p->cfg->dev_addr,
3986 dev->info.p2p_device_addr,
3987 wpabuf_head(dev->go_neg_conf),
3988 wpabuf_len(dev->go_neg_conf), 0) >=
3989 0) {
3990 dev->go_neg_conf_sent++;
3991 return;
3992 }
3993 p2p_dbg(p2p, "Failed to re-send Action frame");
3994
3995 /*
3996 * Continue with the assumption that the first attempt
3997 * went through and just the ACK frame was lost.
3998 */
3999 }
4000
4001 /*
4002 * It looks like the TX status for GO Negotiation Confirm is
4003 * often showing failure even when the peer has actually
4004 * received the frame. Since the peer may change channels
4005 * immediately after having received the frame, we may not see
4006 * an Ack for retries, so just dropping a single frame may
4007 * trigger this. To allow the group formation to succeed if the
4008 * peer did indeed receive the frame, continue regardless of
4009 * the TX status.
4010 */
4011 p2p_dbg(p2p, "Assume GO Negotiation Confirm TX was actually received by the peer even though Ack was not reported");
4012 }
4013
4014 p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
4015
4016 if (dev == NULL)
4017 return;
4018
4019 p2p_go_complete(p2p, dev);
4020 }
4021
4022
4023 void p2p_send_action_cb(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
4024 const u8 *src, const u8 *bssid,
4025 enum p2p_send_action_result result)
4026 {
4027 enum p2p_pending_action_state state;
4028 int success;
4029
4030 p2p_dbg(p2p, "Action frame TX callback (state=%d freq=%u dst=" MACSTR_SEC
4031 " src=" MACSTR_SEC " bssid=" MACSTR_SEC " result=%d p2p_state=%s)",
4032 p2p->pending_action_state, freq, MAC2STR_SEC(dst), MAC2STR_SEC(src),
4033 MAC2STR_SEC(bssid), result, p2p_state_txt(p2p->state));
4034 success = result == P2P_SEND_ACTION_SUCCESS;
4035 state = p2p->pending_action_state;
4036 p2p->pending_action_state = P2P_NO_PENDING_ACTION;
4037 switch (state) {
4038 case P2P_NO_PENDING_ACTION:
4039 if (p2p->send_action_in_progress) {
4040 p2p->send_action_in_progress = 0;
4041 p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
4042 }
4043 break;
4044 case P2P_PENDING_GO_NEG_REQUEST:
4045 p2p_go_neg_req_cb(p2p, success);
4046 break;
4047 case P2P_PENDING_GO_NEG_RESPONSE:
4048 p2p_go_neg_resp_cb(p2p, success);
4049 break;
4050 case P2P_PENDING_GO_NEG_RESPONSE_FAILURE:
4051 p2p_go_neg_resp_failure_cb(p2p, success, dst);
4052 break;
4053 case P2P_PENDING_GO_NEG_CONFIRM:
4054 p2p_go_neg_conf_cb(p2p, result);
4055 break;
4056 case P2P_PENDING_SD:
4057 p2p_sd_query_cb(p2p, success);
4058 break;
4059 case P2P_PENDING_PD:
4060 p2p_prov_disc_cb(p2p, success);
4061 break;
4062 case P2P_PENDING_PD_RESPONSE:
4063 p2p_prov_disc_resp_cb(p2p, success);
4064 break;
4065 case P2P_PENDING_INVITATION_REQUEST:
4066 p2p_invitation_req_cb(p2p, success);
4067 break;
4068 case P2P_PENDING_INVITATION_RESPONSE:
4069 p2p_invitation_resp_cb(p2p, success);
4070 break;
4071 case P2P_PENDING_DEV_DISC_REQUEST:
4072 p2p_dev_disc_req_cb(p2p, success);
4073 break;
4074 case P2P_PENDING_DEV_DISC_RESPONSE:
4075 p2p_dev_disc_resp_cb(p2p, success);
4076 break;
4077 case P2P_PENDING_GO_DISC_REQ:
4078 p2p_go_disc_req_cb(p2p, success);
4079 break;
4080 }
4081 }
4082
4083
4084 void p2p_listen_cb(struct p2p_data *p2p, unsigned int freq,
4085 unsigned int duration)
4086 {
4087 if (freq == p2p->pending_client_disc_freq) {
4088 p2p_dbg(p2p, "Client discoverability remain-awake completed");
4089 p2p->pending_client_disc_freq = 0;
4090 return;
4091 }
4092
4093 #ifndef CONFIG_MIRACAST_SINK_OPT
4094 if (freq != p2p->pending_listen_freq) {
4095 p2p_dbg(p2p, "Unexpected listen callback for freq=%u duration=%u (pending_listen_freq=%u)",
4096 freq, duration, p2p->pending_listen_freq);
4097 return;
4098 }
4099 #endif
4100
4101 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
4102 miracast_sink_log("P2P: Starting Listen timeout(%u,%u) on freq=%u based on callback",
4103 p2p->pending_listen_sec, p2p->pending_listen_usec,
4104 p2p->pending_listen_freq);
4105 #else
4106 p2p_dbg(p2p, "Starting Listen timeout(%u,%u) on freq=%u based on callback",
4107 p2p->pending_listen_sec, p2p->pending_listen_usec,
4108 p2p->pending_listen_freq);
4109 #endif
4110
4111 p2p->pending_listen_wait_drv = false;
4112 p2p->in_listen = 1;
4113 p2p->drv_in_listen = freq;
4114 if (p2p->pending_listen_sec || p2p->pending_listen_usec) {
4115 /*
4116 * Add 20 msec extra wait to avoid race condition with driver
4117 * remain-on-channel end event, i.e., give driver more time to
4118 * complete the operation before our timeout expires.
4119 */
4120
4121 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
4122 /*
4123 * Considering that the driver side processing takes time,
4124 * additional wait time is required to wait for
4125 * the driver to report the completion of the interception.
4126 */
4127 p2p_set_timeout(p2p, p2p->pending_listen_sec,
4128 p2p->pending_listen_usec + HM_P2P_LISTEN_EXTRA_WAIT_TIME);
4129 #else
4130 p2p_set_timeout(p2p, p2p->pending_listen_sec,
4131 p2p->pending_listen_usec + 20000);
4132 #endif
4133 }
4134
4135 p2p->pending_listen_freq = 0;
4136 }
4137
4138
4139 int p2p_listen_end(struct p2p_data *p2p, unsigned int freq)
4140 {
4141 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
4142 miracast_sink_log("P2P: Driver ended Listen state (freq=%u)", freq);
4143 #else
4144 p2p_dbg(p2p, "Driver ended Listen state (freq=%u)", freq);
4145 #endif
4146 p2p->drv_in_listen = 0;
4147 if (p2p->in_listen)
4148 return 0; /* Internal timeout will trigger the next step */
4149
4150 if (p2p->state == P2P_WAIT_PEER_CONNECT && p2p->go_neg_peer &&
4151 p2p->pending_listen_freq) {
4152 /*
4153 * Better wait a bit if the driver is unable to start
4154 * offchannel operation for some reason to continue with
4155 * P2P_WAIT_PEER_(IDLE/CONNECT) state transitions.
4156 */
4157 p2p_dbg(p2p,
4158 "Listen operation did not seem to start - delay idle phase to avoid busy loop");
4159 p2p_set_timeout(p2p, 0, 100000);
4160 return 1;
4161 }
4162
4163 if (p2p->state == P2P_CONNECT_LISTEN && p2p->go_neg_peer) {
4164 if (p2p->go_neg_peer->connect_reqs >= 120) {
4165 p2p_warning(p2p, "Timeout on sending GO Negotiation Request without getting response");
4166 p2p_go_neg_failed(p2p, -1);
4167 return 0;
4168 }
4169
4170 p2p_set_state(p2p, P2P_CONNECT);
4171 p2p_connect_send(p2p, p2p->go_neg_peer);
4172 return 1;
4173 } else if (p2p->state == P2P_SEARCH) {
4174 if (p2p->p2p_scan_running) {
4175 /*
4176 * Search is already in progress. This can happen if
4177 * an Action frame RX is reported immediately after
4178 * the end of a remain-on-channel operation and the
4179 * response frame to that is sent using an offchannel
4180 * operation while in p2p_find. Avoid an attempt to
4181 * restart a scan here.
4182 */
4183 p2p_dbg(p2p, "p2p_scan already in progress - do not try to start a new one");
4184 return 1;
4185 }
4186 if (p2p->pending_listen_freq) {
4187 /*
4188 * Better wait a bit if the driver is unable to start
4189 * offchannel operation for some reason. p2p_search()
4190 * will be started from internal timeout.
4191 */
4192 p2p_dbg(p2p, "Listen operation did not seem to start - delay search phase to avoid busy loop");
4193 p2p_set_timeout(p2p, 0, 100000);
4194 return 1;
4195 }
4196 if (p2p->search_delay) {
4197 p2p_dbg(p2p, "Delay search operation by %u ms",
4198 p2p->search_delay);
4199 p2p_set_timeout(p2p, p2p->search_delay / 1000,
4200 (p2p->search_delay % 1000) * 1000);
4201 return 1;
4202 }
4203 p2p_search(p2p);
4204 return 1;
4205 }
4206
4207 return 0;
4208 }
4209
4210
4211 static void p2p_timeout_connect(struct p2p_data *p2p)
4212 {
4213 p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
4214 if (p2p->go_neg_peer &&
4215 (p2p->go_neg_peer->flags & P2P_DEV_WAIT_GO_NEG_CONFIRM)) {
4216 p2p_dbg(p2p, "Wait for GO Negotiation Confirm timed out - assume GO Negotiation failed");
4217 #ifdef CONFIG_P2P_CHR
4218 wpa_supplicant_upload_state_before_group_formation_success(GROUP_OWNER_NEGOTIATION,
4219 P2P_EVENT_REASON_GO_NEGOTIATION_WAIT_CONFRIM_FAILURE);
4220 #endif
4221 p2p_go_neg_failed(p2p, -1);
4222 return;
4223 }
4224 if (p2p->go_neg_peer &&
4225 (p2p->go_neg_peer->flags & P2P_DEV_PEER_WAITING_RESPONSE) &&
4226 p2p->go_neg_peer->connect_reqs < 120) {
4227 p2p_dbg(p2p, "Peer expected to wait our response - skip listen");
4228 p2p_connect_send(p2p, p2p->go_neg_peer);
4229 return;
4230 }
4231 if (p2p->go_neg_peer && p2p->go_neg_peer->oob_go_neg_freq > 0) {
4232 p2p_dbg(p2p, "Skip connect-listen since GO Neg channel known (OOB)");
4233 p2p_set_state(p2p, P2P_CONNECT_LISTEN);
4234 p2p_set_timeout(p2p, 0, 30000);
4235 return;
4236 }
4237 p2p_set_state(p2p, P2P_CONNECT_LISTEN);
4238 p2p_listen_in_find(p2p, 0);
4239 }
4240
4241
4242 static void p2p_timeout_connect_listen(struct p2p_data *p2p)
4243 {
4244 if (p2p->go_neg_peer) {
4245 if (p2p->drv_in_listen) {
4246 p2p_dbg(p2p, "Driver is still in Listen state; wait for it to complete");
4247 return;
4248 }
4249
4250 if (p2p->go_neg_peer->connect_reqs >= 120) {
4251 p2p_warning(p2p, "Timeout on sending GO Negotiation Request without getting response");
4252 p2p_go_neg_failed(p2p, -1);
4253 return;
4254 }
4255
4256 p2p_set_state(p2p, P2P_CONNECT);
4257 p2p_connect_send(p2p, p2p->go_neg_peer);
4258 } else
4259 p2p_set_state(p2p, P2P_IDLE);
4260 }
4261
4262
4263 static void p2p_timeout_wait_peer_connect(struct p2p_data *p2p)
4264 {
4265 p2p_set_state(p2p, P2P_WAIT_PEER_IDLE);
4266
4267 if (p2p->cfg->is_concurrent_session_active &&
4268 p2p->cfg->is_concurrent_session_active(p2p->cfg->cb_ctx))
4269 p2p_set_timeout(p2p, 0, 500000);
4270 else
4271 p2p_set_timeout(p2p, 0, 200000);
4272 }
4273
4274
4275 static void p2p_timeout_wait_peer_idle(struct p2p_data *p2p)
4276 {
4277 struct p2p_device *dev = p2p->go_neg_peer;
4278
4279 if (dev == NULL) {
4280 p2p_dbg(p2p, "Unknown GO Neg peer - stop GO Neg wait");
4281 return;
4282 }
4283
4284 p2p_dbg(p2p, "Go to Listen state while waiting for the peer to become ready for GO Negotiation");
4285 p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
4286 p2p->pending_listen_wait_drv = false;
4287 if (p2p->pending_listen_freq) {
4288 p2p_dbg(p2p, "Clear pending_listen_freq for %s", __func__);
4289 p2p->pending_listen_freq = 0;
4290 }
4291 p2p_set_state(p2p, P2P_WAIT_PEER_CONNECT);
4292 p2p_listen_in_find(p2p, 0);
4293 }
4294
4295
4296 static void p2p_timeout_sd_during_find(struct p2p_data *p2p)
4297 {
4298 p2p_dbg(p2p, "Service Discovery Query timeout");
4299 if (p2p->sd_peer) {
4300 p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
4301 p2p->sd_peer = NULL;
4302 }
4303 p2p_continue_find(p2p);
4304 }
4305
4306
4307 static void p2p_timeout_prov_disc_during_find(struct p2p_data *p2p)
4308 {
4309 p2p_dbg(p2p, "Provision Discovery Request timeout");
4310 p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
4311 p2p_continue_find(p2p);
4312 }
4313
4314
4315 static void p2p_timeout_prov_disc_req(struct p2p_data *p2p)
4316 {
4317 u32 adv_id = 0;
4318 u8 *adv_mac = NULL;
4319
4320 p2p->pending_action_state = P2P_NO_PENDING_ACTION;
4321
4322 /*
4323 * For user initiated PD requests that we have not gotten any responses
4324 * for while in IDLE state, we retry them a couple of times before
4325 * giving up.
4326 */
4327 if (!p2p->user_initiated_pd)
4328 return;
4329
4330 p2p_dbg(p2p, "User initiated Provision Discovery Request timeout");
4331
4332 if (p2p->pd_retries) {
4333 p2p->pd_retries--;
4334 p2p_retry_pd(p2p);
4335 } else {
4336 struct p2p_device *dev;
4337 int for_join = 0;
4338
4339 dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
4340 if (!ether_addr_equal(p2p->pending_pd_devaddr,
4341 dev->info.p2p_device_addr))
4342 continue;
4343 if (dev->req_config_methods &&
4344 (dev->flags & P2P_DEV_PD_FOR_JOIN))
4345 for_join = 1;
4346 }
4347
4348 if (p2p->p2ps_prov) {
4349 adv_id = p2p->p2ps_prov->adv_id;
4350 adv_mac = p2p->p2ps_prov->adv_mac;
4351 }
4352
4353 if (p2p->cfg->prov_disc_fail)
4354 p2p->cfg->prov_disc_fail(p2p->cfg->cb_ctx,
4355 p2p->pending_pd_devaddr,
4356 for_join ?
4357 P2P_PROV_DISC_TIMEOUT_JOIN :
4358 P2P_PROV_DISC_TIMEOUT,
4359 adv_id, adv_mac, NULL);
4360 p2p_reset_pending_pd(p2p);
4361 }
4362 }
4363
4364
4365 static void p2p_timeout_invite(struct p2p_data *p2p)
4366 {
4367 p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
4368 p2p_set_state(p2p, P2P_INVITE_LISTEN);
4369 if (p2p->inv_role == P2P_INVITE_ROLE_ACTIVE_GO) {
4370 /*
4371 * Better remain on operating channel instead of listen channel
4372 * when running a group.
4373 * Wait 120 ms to let the P2P GO to send its beacon on the
4374 * intended TBTT.
4375 */
4376 p2p_dbg(p2p, "Inviting in active GO role - wait on operating channel");
4377 p2p_set_timeout(p2p, 0, 120000);
4378 return;
4379 }
4380 p2p_listen_in_find(p2p, 0);
4381 }
4382
4383
4384 static void p2p_timeout_invite_listen(struct p2p_data *p2p)
4385 {
4386 if (p2p->invite_peer && p2p->invite_peer->invitation_reqs < 100) {
4387 p2p_set_state(p2p, P2P_INVITE);
4388 p2p_invite_send(p2p, p2p->invite_peer,
4389 p2p->invite_go_dev_addr, p2p->invite_dev_pw_id);
4390 } else {
4391 if (p2p->invite_peer) {
4392 p2p_dbg(p2p, "Invitation Request retry limit reached");
4393 if (p2p->cfg->invitation_result)
4394 p2p->cfg->invitation_result(
4395 p2p->cfg->cb_ctx, -1, NULL, NULL,
4396 p2p->invite_peer->info.p2p_device_addr,
4397 0, 0);
4398 }
4399 #ifdef CONFIG_P2P_CHR
4400 wpa_supplicant_upload_state_before_group_formation_success(P2P_INVITATION, P2P_EVENT_REASON_INVIT_TIMEOUT);
4401 #endif
4402 p2p_set_state(p2p, P2P_IDLE);
4403 }
4404 }
4405
4406
4407 static void p2p_state_timeout(void *eloop_ctx, void *timeout_ctx)
4408 {
4409 struct p2p_data *p2p = eloop_ctx;
4410
4411 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
4412 miracast_sink_log("P2P: Timeout (state=%s)", p2p_state_txt(p2p->state));
4413 #else
4414 p2p_dbg(p2p, "Timeout (state=%s)", p2p_state_txt(p2p->state));
4415 #endif
4416
4417 p2p->in_listen = 0;
4418 if (p2p->drv_in_listen) {
4419 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
4420 miracast_sink_log("P2P: Driver is still in listen state - stop it");
4421 #else
4422 p2p_dbg(p2p, "Driver is still in listen state - stop it");
4423 #endif
4424 p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
4425 p2p->pending_listen_wait_drv = false;
4426 }
4427
4428 switch (p2p->state) {
4429 case P2P_IDLE:
4430 /* Check if we timed out waiting for PD req */
4431 if (p2p->pending_action_state == P2P_PENDING_PD)
4432 p2p_timeout_prov_disc_req(p2p);
4433 break;
4434 case P2P_SEARCH:
4435 /* Check if we timed out waiting for PD req */
4436 if (p2p->pending_action_state == P2P_PENDING_PD)
4437 p2p_timeout_prov_disc_req(p2p);
4438 if (p2p->search_delay && !p2p->in_search_delay) {
4439 p2p_dbg(p2p, "Delay search operation by %u ms",
4440 p2p->search_delay);
4441 p2p->in_search_delay = 1;
4442 p2p_set_timeout(p2p, p2p->search_delay / 1000,
4443 (p2p->search_delay % 1000) * 1000);
4444 break;
4445 }
4446 p2p->in_search_delay = 0;
4447 p2p_search(p2p);
4448 break;
4449 case P2P_CONNECT:
4450 p2p_timeout_connect(p2p);
4451 break;
4452 case P2P_CONNECT_LISTEN:
4453 p2p_timeout_connect_listen(p2p);
4454 break;
4455 case P2P_GO_NEG:
4456 break;
4457 case P2P_LISTEN_ONLY:
4458 /* Check if we timed out waiting for PD req */
4459 if (p2p->pending_action_state == P2P_PENDING_PD)
4460 p2p_timeout_prov_disc_req(p2p);
4461
4462 if (p2p->ext_listen_only) {
4463 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
4464 miracast_sink_log("P2P: Extended Listen Timing - Listen State completed");
4465 #else
4466 p2p_dbg(p2p, "Extended Listen Timing - Listen State completed");
4467 #endif
4468 p2p->ext_listen_only = 0;
4469 p2p_set_state(p2p, P2P_IDLE);
4470 }
4471 break;
4472 case P2P_WAIT_PEER_CONNECT:
4473 p2p_timeout_wait_peer_connect(p2p);
4474 break;
4475 case P2P_WAIT_PEER_IDLE:
4476 p2p_timeout_wait_peer_idle(p2p);
4477 break;
4478 case P2P_SD_DURING_FIND:
4479 p2p_timeout_sd_during_find(p2p);
4480 break;
4481 case P2P_PROVISIONING:
4482 break;
4483 case P2P_PD_DURING_FIND:
4484 p2p_timeout_prov_disc_during_find(p2p);
4485 break;
4486 case P2P_INVITE:
4487 p2p_timeout_invite(p2p);
4488 break;
4489 case P2P_INVITE_LISTEN:
4490 p2p_timeout_invite_listen(p2p);
4491 break;
4492 }
4493 }
4494
4495
4496 int p2p_reject(struct p2p_data *p2p, const u8 *peer_addr)
4497 {
4498 struct p2p_device *dev;
4499
4500 dev = p2p_get_device(p2p, peer_addr);
4501 p2p_dbg(p2p, "Local request to reject connection attempts by peer "
4502 MACSTR_SEC, MAC2STR_SEC(peer_addr));
4503 if (dev == NULL) {
4504 p2p_dbg(p2p, "Peer " MACSTR_SEC " unknown", MAC2STR_SEC(peer_addr));
4505 return -1;
4506 }
4507 dev->status = P2P_SC_FAIL_REJECTED_BY_USER;
4508 dev->flags |= P2P_DEV_USER_REJECTED;
4509 return 0;
4510 }
4511
4512
4513 const char * p2p_wps_method_text(enum p2p_wps_method method)
4514 {
4515 switch (method) {
4516 case WPS_NOT_READY:
4517 return "not-ready";
4518 case WPS_PIN_DISPLAY:
4519 return "Display";
4520 case WPS_PIN_KEYPAD:
4521 return "Keypad";
4522 case WPS_PBC:
4523 return "PBC";
4524 case WPS_NFC:
4525 return "NFC";
4526 case WPS_P2PS:
4527 return "P2PS";
4528 }
4529
4530 return "??";
4531 }
4532
4533
4534 static const char * p2p_go_state_text(enum p2p_go_state go_state)
4535 {
4536 switch (go_state) {
4537 case UNKNOWN_GO:
4538 return "unknown";
4539 case LOCAL_GO:
4540 return "local";
4541 case REMOTE_GO:
4542 return "remote";
4543 }
4544
4545 return "??";
4546 }
4547
4548
4549 const struct p2p_peer_info * p2p_get_peer_info(struct p2p_data *p2p,
4550 const u8 *addr, int next)
4551 {
4552 struct p2p_device *dev;
4553
4554 if (addr)
4555 dev = p2p_get_device(p2p, addr);
4556 else
4557 dev = dl_list_first(&p2p->devices, struct p2p_device, list);
4558
4559 if (dev && next) {
4560 dev = dl_list_first(&dev->list, struct p2p_device, list);
4561 if (&dev->list == &p2p->devices)
4562 dev = NULL;
4563 }
4564
4565 if (dev == NULL)
4566 return NULL;
4567
4568 return &dev->info;
4569 }
4570
4571
4572 int p2p_get_peer_info_txt(const struct p2p_peer_info *info,
4573 char *buf, size_t buflen)
4574 {
4575 struct p2p_device *dev;
4576 int res;
4577 char *pos, *end;
4578 struct os_reltime now;
4579
4580 if (info == NULL)
4581 return -1;
4582
4583 dev = (struct p2p_device *) (((u8 *) info) -
4584 offsetof(struct p2p_device, info));
4585
4586 pos = buf;
4587 end = buf + buflen;
4588
4589 os_get_reltime(&now);
4590 res = os_snprintf(pos, end - pos,
4591 "age=%d\n"
4592 "listen_freq=%d\n"
4593 "wps_method=%s\n"
4594 "interface_addr=" MACSTR "\n"
4595 "member_in_go_dev=" MACSTR "\n"
4596 "member_in_go_iface=" MACSTR "\n"
4597 "go_neg_req_sent=%d\n"
4598 "go_state=%s\n"
4599 "dialog_token=%u\n"
4600 "intended_addr=" MACSTR "\n"
4601 "country=%c%c\n"
4602 "oper_freq=%d\n"
4603 "req_config_methods=0x%x\n"
4604 "flags=%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n"
4605 "status=%d\n"
4606 "invitation_reqs=%u\n",
4607 (int) (now.sec - dev->last_seen.sec),
4608 dev->listen_freq,
4609 p2p_wps_method_text(dev->wps_method),
4610 MAC2STR(dev->interface_addr),
4611 MAC2STR(dev->member_in_go_dev),
4612 MAC2STR(dev->member_in_go_iface),
4613 dev->go_neg_req_sent,
4614 p2p_go_state_text(dev->go_state),
4615 dev->dialog_token,
4616 MAC2STR(dev->intended_addr),
4617 dev->country[0] ? dev->country[0] : '_',
4618 dev->country[1] ? dev->country[1] : '_',
4619 dev->oper_freq,
4620 dev->req_config_methods,
4621 dev->flags & P2P_DEV_PROBE_REQ_ONLY ?
4622 "[PROBE_REQ_ONLY]" : "",
4623 dev->flags & P2P_DEV_REPORTED ? "[REPORTED]" : "",
4624 dev->flags & P2P_DEV_NOT_YET_READY ?
4625 "[NOT_YET_READY]" : "",
4626 dev->flags & P2P_DEV_PD_PEER_DISPLAY ?
4627 "[PD_PEER_DISPLAY]" : "",
4628 dev->flags & P2P_DEV_PD_PEER_KEYPAD ?
4629 "[PD_PEER_KEYPAD]" : "",
4630 dev->flags & P2P_DEV_PD_PEER_P2PS ?
4631 "[PD_PEER_P2PS]" : "",
4632 dev->flags & P2P_DEV_USER_REJECTED ?
4633 "[USER_REJECTED]" : "",
4634 dev->flags & P2P_DEV_PEER_WAITING_RESPONSE ?
4635 "[PEER_WAITING_RESPONSE]" : "",
4636 dev->flags & P2P_DEV_PREFER_PERSISTENT_GROUP ?
4637 "[PREFER_PERSISTENT_GROUP]" : "",
4638 dev->flags & P2P_DEV_WAIT_GO_NEG_RESPONSE ?
4639 "[WAIT_GO_NEG_RESPONSE]" : "",
4640 dev->flags & P2P_DEV_WAIT_GO_NEG_CONFIRM ?
4641 "[WAIT_GO_NEG_CONFIRM]" : "",
4642 dev->flags & P2P_DEV_GROUP_CLIENT_ONLY ?
4643 "[GROUP_CLIENT_ONLY]" : "",
4644 dev->flags & P2P_DEV_FORCE_FREQ ?
4645 "[FORCE_FREQ]" : "",
4646 dev->flags & P2P_DEV_PD_FOR_JOIN ?
4647 "[PD_FOR_JOIN]" : "",
4648 dev->flags & P2P_DEV_LAST_SEEN_AS_GROUP_CLIENT ?
4649 "[LAST_SEEN_AS_GROUP_CLIENT]" : "",
4650 dev->status,
4651 dev->invitation_reqs);
4652 if (os_snprintf_error(end - pos, res))
4653 return pos - buf;
4654 pos += res;
4655
4656 if (dev->ext_listen_period) {
4657 res = os_snprintf(pos, end - pos,
4658 "ext_listen_period=%u\n"
4659 "ext_listen_interval=%u\n",
4660 dev->ext_listen_period,
4661 dev->ext_listen_interval);
4662 if (os_snprintf_error(end - pos, res))
4663 return pos - buf;
4664 pos += res;
4665 }
4666
4667 if (dev->oper_ssid_len) {
4668 res = os_snprintf(pos, end - pos,
4669 "oper_ssid=%s\n",
4670 wpa_ssid_txt(dev->oper_ssid,
4671 dev->oper_ssid_len));
4672 if (os_snprintf_error(end - pos, res))
4673 return pos - buf;
4674 pos += res;
4675 }
4676
4677 #ifdef CONFIG_WIFI_DISPLAY
4678 if (dev->info.wfd_subelems) {
4679 res = os_snprintf(pos, end - pos, "wfd_subelems=");
4680 if (os_snprintf_error(end - pos, res))
4681 return pos - buf;
4682 pos += res;
4683
4684 pos += wpa_snprintf_hex(pos, end - pos,
4685 wpabuf_head(dev->info.wfd_subelems),
4686 wpabuf_len(dev->info.wfd_subelems));
4687
4688 res = os_snprintf(pos, end - pos, "\n");
4689 if (os_snprintf_error(end - pos, res))
4690 return pos - buf;
4691 pos += res;
4692 }
4693 #endif /* CONFIG_WIFI_DISPLAY */
4694
4695 return pos - buf;
4696 }
4697
4698
4699 int p2p_peer_known(struct p2p_data *p2p, const u8 *addr)
4700 {
4701 return p2p_get_device(p2p, addr) != NULL;
4702 }
4703
4704
4705 void p2p_set_client_discoverability(struct p2p_data *p2p, int enabled)
4706 {
4707 if (enabled) {
4708 p2p_dbg(p2p, "Client discoverability enabled");
4709 p2p->dev_capab |= P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY;
4710 } else {
4711 p2p_dbg(p2p, "Client discoverability disabled");
4712 p2p->dev_capab &= ~P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY;
4713 }
4714 }
4715
4716
4717 static struct wpabuf * p2p_build_presence_req(u32 duration1, u32 interval1,
4718 u32 duration2, u32 interval2)
4719 {
4720 struct wpabuf *req;
4721 struct p2p_noa_desc desc1, desc2, *ptr1 = NULL, *ptr2 = NULL;
4722 u8 *len;
4723
4724 req = wpabuf_alloc(100);
4725 if (req == NULL)
4726 return NULL;
4727
4728 if (duration1 || interval1) {
4729 os_memset(&desc1, 0, sizeof(desc1));
4730 desc1.count_type = 1;
4731 desc1.duration = duration1;
4732 desc1.interval = interval1;
4733 ptr1 = &desc1;
4734
4735 if (duration2 || interval2) {
4736 os_memset(&desc2, 0, sizeof(desc2));
4737 desc2.count_type = 2;
4738 desc2.duration = duration2;
4739 desc2.interval = interval2;
4740 ptr2 = &desc2;
4741 }
4742 }
4743
4744 p2p_buf_add_action_hdr(req, P2P_PRESENCE_REQ, 1);
4745 len = p2p_buf_add_ie_hdr(req);
4746 p2p_buf_add_noa(req, 0, 0, 0, ptr1, ptr2);
4747 p2p_buf_update_ie_hdr(req, len);
4748
4749 return req;
4750 }
4751
4752
4753 int p2p_presence_req(struct p2p_data *p2p, const u8 *go_interface_addr,
4754 const u8 *own_interface_addr, unsigned int freq,
4755 u32 duration1, u32 interval1, u32 duration2,
4756 u32 interval2)
4757 {
4758 struct wpabuf *req;
4759
4760 p2p_dbg(p2p, "Send Presence Request to GO " MACSTR_SEC
4761 " (own interface " MACSTR_SEC ") freq=%u dur1=%u int1=%u "
4762 "dur2=%u int2=%u",
4763 MAC2STR_SEC(go_interface_addr), MAC2STR_SEC(own_interface_addr),
4764 freq, duration1, interval1, duration2, interval2);
4765
4766 req = p2p_build_presence_req(duration1, interval1, duration2,
4767 interval2);
4768 if (req == NULL)
4769 return -1;
4770
4771 p2p->pending_action_state = P2P_NO_PENDING_ACTION;
4772 if (p2p_send_action(p2p, freq, go_interface_addr, own_interface_addr,
4773 go_interface_addr,
4774 wpabuf_head(req), wpabuf_len(req), 200) < 0) {
4775 p2p_dbg(p2p, "Failed to send Action frame");
4776 }
4777 wpabuf_free(req);
4778
4779 return 0;
4780 }
4781
4782
4783 static struct wpabuf * p2p_build_presence_resp(u8 status, const u8 *noa,
4784 size_t noa_len, u8 dialog_token)
4785 {
4786 struct wpabuf *resp;
4787 u8 *len;
4788
4789 resp = wpabuf_alloc(100 + noa_len);
4790 if (resp == NULL)
4791 return NULL;
4792
4793 p2p_buf_add_action_hdr(resp, P2P_PRESENCE_RESP, dialog_token);
4794 len = p2p_buf_add_ie_hdr(resp);
4795 p2p_buf_add_status(resp, status);
4796 if (noa) {
4797 wpabuf_put_u8(resp, P2P_ATTR_NOTICE_OF_ABSENCE);
4798 wpabuf_put_le16(resp, noa_len);
4799 wpabuf_put_data(resp, noa, noa_len);
4800 } else
4801 p2p_buf_add_noa(resp, 0, 0, 0, NULL, NULL);
4802 p2p_buf_update_ie_hdr(resp, len);
4803
4804 return resp;
4805 }
4806
4807
4808 static void p2p_process_presence_req(struct p2p_data *p2p, const u8 *da,
4809 const u8 *sa, const u8 *data, size_t len,
4810 int rx_freq)
4811 {
4812 struct p2p_message msg;
4813 u8 status;
4814 struct wpabuf *resp;
4815 size_t g;
4816 struct p2p_group *group = NULL;
4817 int parsed = 0;
4818 u8 noa[50];
4819 int noa_len;
4820
4821 p2p_dbg(p2p, "Received P2P Action - P2P Presence Request");
4822
4823 for (g = 0; g < p2p->num_groups; g++) {
4824 if (ether_addr_equal(
4825 da, p2p_group_get_interface_addr(p2p->groups[g]))) {
4826 group = p2p->groups[g];
4827 break;
4828 }
4829 }
4830 if (group == NULL) {
4831 p2p_dbg(p2p, "Ignore P2P Presence Request for unknown group "
4832 MACSTR_SEC, MAC2STR_SEC(da));
4833 return;
4834 }
4835
4836 if (p2p_parse(data, len, &msg) < 0) {
4837 p2p_dbg(p2p, "Failed to parse P2P Presence Request");
4838 status = P2P_SC_FAIL_INVALID_PARAMS;
4839 goto fail;
4840 }
4841 parsed = 1;
4842
4843 if (msg.noa == NULL) {
4844 p2p_dbg(p2p, "No NoA attribute in P2P Presence Request");
4845 status = P2P_SC_FAIL_INVALID_PARAMS;
4846 goto fail;
4847 }
4848
4849 status = p2p_group_presence_req(group, sa, msg.noa, msg.noa_len);
4850
4851 fail:
4852 if (p2p->cfg->get_noa)
4853 noa_len = p2p->cfg->get_noa(p2p->cfg->cb_ctx, da, noa,
4854 sizeof(noa));
4855 else
4856 noa_len = -1;
4857 resp = p2p_build_presence_resp(status, noa_len > 0 ? noa : NULL,
4858 noa_len > 0 ? noa_len : 0,
4859 msg.dialog_token);
4860 if (parsed)
4861 p2p_parse_free(&msg);
4862 if (resp == NULL)
4863 return;
4864
4865 p2p->pending_action_state = P2P_NO_PENDING_ACTION;
4866 if (p2p_send_action(p2p, rx_freq, sa, da, da,
4867 wpabuf_head(resp), wpabuf_len(resp), 200) < 0) {
4868 p2p_dbg(p2p, "Failed to send Action frame");
4869 }
4870 wpabuf_free(resp);
4871 }
4872
4873
4874 static void p2p_process_presence_resp(struct p2p_data *p2p, const u8 *da,
4875 const u8 *sa, const u8 *data, size_t len)
4876 {
4877 struct p2p_message msg;
4878
4879 p2p_dbg(p2p, "Received P2P Action - P2P Presence Response");
4880
4881 if (p2p_parse(data, len, &msg) < 0) {
4882 p2p_dbg(p2p, "Failed to parse P2P Presence Response");
4883 return;
4884 }
4885
4886 if (msg.status == NULL || msg.noa == NULL) {
4887 p2p_dbg(p2p, "No Status or NoA attribute in P2P Presence Response");
4888 p2p_parse_free(&msg);
4889 return;
4890 }
4891
4892 if (p2p->cfg->presence_resp) {
4893 p2p->cfg->presence_resp(p2p->cfg->cb_ctx, sa, *msg.status,
4894 msg.noa, msg.noa_len);
4895 }
4896
4897 if (*msg.status) {
4898 p2p_dbg(p2p, "P2P Presence Request was rejected: status %u",
4899 *msg.status);
4900 p2p_parse_free(&msg);
4901 return;
4902 }
4903
4904 p2p_dbg(p2p, "P2P Presence Request was accepted");
4905 wpa_hexdump(MSG_DEBUG, "P2P: P2P Presence Response - NoA",
4906 msg.noa, msg.noa_len);
4907 /* TODO: process NoA */
4908 p2p_parse_free(&msg);
4909 }
4910
4911 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
4912 void p2p_ext_listen_timeout(void *eloop_ctx, void *timeout_ctx)
4913 #else
4914 static void p2p_ext_listen_timeout(void *eloop_ctx, void *timeout_ctx)
4915 #endif
4916 {
4917 struct p2p_data *p2p = eloop_ctx;
4918
4919 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
4920 if (!hm_need_listen(p2p)) {
4921 p2p_err(p2p, "p2p has connect no need start listen");
4922 return;
4923 }
4924 #endif
4925 if (p2p->ext_listen_interval) {
4926 /* Schedule next extended listen timeout */
4927
4928 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
4929 eloop_cancel_timeout(p2p_ext_listen_timeout, p2p, NULL);
4930 #endif
4931 eloop_register_timeout(p2p->ext_listen_interval_sec,
4932 p2p->ext_listen_interval_usec,
4933 p2p_ext_listen_timeout, p2p, NULL);
4934 }
4935
4936 if ((p2p->cfg->is_p2p_in_progress &&
4937 p2p->cfg->is_p2p_in_progress(p2p->cfg->cb_ctx)) ||
4938 (p2p->pending_action_state == P2P_PENDING_PD &&
4939 p2p->pd_retries > 0)) {
4940 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
4941 miracast_sink_log("P2P: Operation in progress - skip Extended Listen timeout (%s)",
4942 p2p_state_txt(p2p->state));
4943 #else
4944 p2p_dbg(p2p, "Operation in progress - skip Extended Listen timeout (%s)",
4945 p2p_state_txt(p2p->state));
4946 #endif
4947 return;
4948 }
4949
4950 if (p2p->state == P2P_LISTEN_ONLY && p2p->ext_listen_only) {
4951 /*
4952 * This should not really happen, but it looks like the Listen
4953 * command may fail is something else (e.g., a scan) was
4954 * running at an inconvenient time. As a workaround, allow new
4955 * Extended Listen operation to be started.
4956 */
4957 p2p_dbg(p2p, "Previous Extended Listen operation had not been completed - try again");
4958 p2p->ext_listen_only = 0;
4959 p2p_set_state(p2p, P2P_IDLE);
4960 }
4961
4962 if (p2p->state != P2P_IDLE) {
4963 p2p_dbg(p2p, "Skip Extended Listen timeout in active state (%s)", p2p_state_txt(p2p->state));
4964 return;
4965 }
4966
4967 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
4968 miracast_sink_log("P2P: Extended Listen timeout");
4969 #else
4970 p2p_dbg(p2p, "Extended Listen timeout");
4971 #endif
4972 p2p->ext_listen_only = 1;
4973 if (p2p_listen(p2p, p2p->ext_listen_period) < 0) {
4974 p2p_dbg(p2p, "Failed to start Listen state for Extended Listen Timing");
4975 p2p->ext_listen_only = 0;
4976 }
4977 }
4978
4979
4980 int p2p_ext_listen(struct p2p_data *p2p, unsigned int period,
4981 unsigned int interval)
4982 {
4983 if (period > 65535 || interval > 65535 || period > interval ||
4984 (period == 0 && interval > 0) || (period > 0 && interval == 0)) {
4985 p2p_dbg(p2p, "Invalid Extended Listen Timing request: period=%u interval=%u",
4986 period, interval);
4987 return -1;
4988 }
4989
4990 eloop_cancel_timeout(p2p_ext_listen_timeout, p2p, NULL);
4991
4992 if (interval == 0) {
4993 p2p_dbg(p2p, "Disabling Extended Listen Timing");
4994
4995 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
4996 p2p->enable_ext_listen = FALSE;
4997 #endif
4998 p2p->ext_listen_period = 0;
4999 p2p->ext_listen_interval = 0;
5000 return 0;
5001 }
5002
5003 p2p_dbg(p2p, "Enabling Extended Listen Timing: period %u msec, interval %u msec",
5004 period, interval);
5005
5006 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
5007 p2p->enable_ext_listen = TRUE;
5008 p2p->on_op_channel_listen = FALSE;
5009 p2p->cfg->channel = p2p->original_listen_channel;
5010 p2p->cfg->reg_class = p2p->original_reg_class;
5011 #endif
5012 p2p->ext_listen_period = period;
5013 p2p->ext_listen_interval = interval;
5014 p2p->ext_listen_interval_sec = interval / 1000;
5015 p2p->ext_listen_interval_usec = (interval % 1000) * 1000;
5016
5017 eloop_register_timeout(p2p->ext_listen_interval_sec,
5018 p2p->ext_listen_interval_usec,
5019 p2p_ext_listen_timeout, p2p, NULL);
5020
5021 return 0;
5022 }
5023
5024
5025 void p2p_deauth_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
5026 const u8 *ie, size_t ie_len)
5027 {
5028 struct p2p_message msg;
5029
5030 if (bssid == NULL || ie == NULL)
5031 return;
5032
5033 os_memset(&msg, 0, sizeof(msg));
5034 if (p2p_parse_ies(ie, ie_len, &msg))
5035 return;
5036 if (msg.minor_reason_code == NULL) {
5037 p2p_parse_free(&msg);
5038 return;
5039 }
5040
5041 p2p_dbg(p2p, "Deauthentication notification BSSID " MACSTR_SEC
5042 " reason_code=%u minor_reason_code=%u",
5043 MAC2STR_SEC(bssid), reason_code, *msg.minor_reason_code);
5044
5045 p2p_parse_free(&msg);
5046 }
5047
5048
5049 void p2p_disassoc_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
5050 const u8 *ie, size_t ie_len)
5051 {
5052 struct p2p_message msg;
5053
5054 if (bssid == NULL || ie == NULL)
5055 return;
5056
5057 os_memset(&msg, 0, sizeof(msg));
5058 if (p2p_parse_ies(ie, ie_len, &msg))
5059 return;
5060 if (msg.minor_reason_code == NULL) {
5061 p2p_parse_free(&msg);
5062 return;
5063 }
5064
5065 p2p_dbg(p2p, "Disassociation notification BSSID " MACSTR_SEC
5066 " reason_code=%u minor_reason_code=%u",
5067 MAC2STR_SEC(bssid), reason_code, *msg.minor_reason_code);
5068
5069 p2p_parse_free(&msg);
5070 }
5071
5072
5073 void p2p_set_managed_oper(struct p2p_data *p2p, int enabled)
5074 {
5075 if (enabled) {
5076 p2p_dbg(p2p, "Managed P2P Device operations enabled");
5077 p2p->dev_capab |= P2P_DEV_CAPAB_INFRA_MANAGED;
5078 } else {
5079 p2p_dbg(p2p, "Managed P2P Device operations disabled");
5080 p2p->dev_capab &= ~P2P_DEV_CAPAB_INFRA_MANAGED;
5081 }
5082 }
5083
5084
5085 int p2p_config_get_random_social(struct p2p_config *p2p, u8 *op_class,
5086 u8 *op_channel,
5087 struct wpa_freq_range_list *avoid_list,
5088 struct wpa_freq_range_list *disallow_list)
5089 {
5090 return p2p_channel_random_social(&p2p->channels, op_class, op_channel,
5091 avoid_list, disallow_list);
5092 }
5093
5094
5095 int p2p_set_listen_channel(struct p2p_data *p2p, u8 reg_class, u8 channel,
5096 u8 forced)
5097 {
5098 if (p2p_channel_to_freq(reg_class, channel) < 0)
5099 return -1;
5100
5101 /*
5102 * Listen channel was set in configuration or set by control interface;
5103 * cannot override it.
5104 */
5105 if (p2p->cfg->channel_forced && forced == 0) {
5106 p2p_dbg(p2p,
5107 "Listen channel was previously configured - do not override based on optimization");
5108 return -1;
5109 }
5110
5111 p2p_dbg(p2p, "Set Listen channel: reg_class %u channel %u",
5112 reg_class, channel);
5113
5114 if (p2p->state == P2P_IDLE) {
5115 p2p->cfg->reg_class = reg_class;
5116 p2p->cfg->channel = channel;
5117 p2p->cfg->channel_forced = forced;
5118 } else {
5119 p2p_dbg(p2p, "Defer setting listen channel");
5120 p2p->pending_reg_class = reg_class;
5121 p2p->pending_channel = channel;
5122 p2p->pending_channel_forced = forced;
5123 }
5124
5125 #if defined(CONFIG_OPEN_HARMONY_PATCH) && defined(CONFIG_MIRACAST_SINK_OPT)
5126 p2p->original_listen_channel = channel;
5127 p2p->original_reg_class = reg_class;
5128 #endif
5129 return 0;
5130 }
5131
5132
5133 u8 p2p_get_listen_channel(struct p2p_data *p2p)
5134 {
5135 return p2p->cfg->channel;
5136 }
5137
5138
5139 int p2p_set_ssid_postfix(struct p2p_data *p2p, const u8 *postfix, size_t len)
5140 {
5141 p2p_dbg(p2p, "New SSID postfix: %s", anonymize_ssid(wpa_ssid_txt(postfix, len)));
5142 if (postfix == NULL) {
5143 p2p->cfg->ssid_postfix_len = 0;
5144 return 0;
5145 }
5146 if (len > sizeof(p2p->cfg->ssid_postfix))
5147 return -1;
5148 os_memcpy(p2p->cfg->ssid_postfix, postfix, len);
5149 p2p->cfg->ssid_postfix_len = len;
5150 return 0;
5151 }
5152
5153
5154 int p2p_set_oper_channel(struct p2p_data *p2p, u8 op_reg_class, u8 op_channel,
5155 int cfg_op_channel)
5156 {
5157 if (p2p_channel_to_freq(op_reg_class, op_channel) < 0)
5158 return -1;
5159
5160 p2p_dbg(p2p, "Set Operating channel: reg_class %u channel %u",
5161 op_reg_class, op_channel);
5162 p2p->cfg->op_reg_class = op_reg_class;
5163 p2p->cfg->op_channel = op_channel;
5164 p2p->cfg->cfg_op_channel = cfg_op_channel;
5165 return 0;
5166 }
5167
5168
5169 int p2p_set_pref_chan(struct p2p_data *p2p, unsigned int num_pref_chan,
5170 const struct p2p_channel *pref_chan)
5171 {
5172 struct p2p_channel *n;
5173
5174 if (pref_chan) {
5175 n = os_memdup(pref_chan,
5176 num_pref_chan * sizeof(struct p2p_channel));
5177 if (n == NULL)
5178 return -1;
5179 } else
5180 n = NULL;
5181
5182 os_free(p2p->cfg->pref_chan);
5183 p2p->cfg->pref_chan = n;
5184 p2p->cfg->num_pref_chan = num_pref_chan;
5185
5186 return 0;
5187 }
5188
5189
5190 int p2p_set_no_go_freq(struct p2p_data *p2p,
5191 const struct wpa_freq_range_list *list)
5192 {
5193 struct wpa_freq_range *tmp;
5194
5195 if (list == NULL || list->num == 0) {
5196 os_free(p2p->no_go_freq.range);
5197 p2p->no_go_freq.range = NULL;
5198 p2p->no_go_freq.num = 0;
5199 return 0;
5200 }
5201
5202 tmp = os_calloc(list->num, sizeof(struct wpa_freq_range));
5203 if (tmp == NULL)
5204 return -1;
5205 os_memcpy(tmp, list->range, list->num * sizeof(struct wpa_freq_range));
5206 os_free(p2p->no_go_freq.range);
5207 p2p->no_go_freq.range = tmp;
5208 p2p->no_go_freq.num = list->num;
5209 p2p_dbg(p2p, "Updated no GO chan list");
5210
5211 return 0;
5212 }
5213
5214
5215 int p2p_get_interface_addr(struct p2p_data *p2p, const u8 *dev_addr,
5216 u8 *iface_addr)
5217 {
5218 struct p2p_device *dev = p2p_get_device(p2p, dev_addr);
5219 if (dev == NULL || is_zero_ether_addr(dev->interface_addr))
5220 return -1;
5221 os_memcpy(iface_addr, dev->interface_addr, ETH_ALEN);
5222 return 0;
5223 }
5224
5225
5226 int p2p_get_dev_addr(struct p2p_data *p2p, const u8 *iface_addr,
5227 u8 *dev_addr)
5228 {
5229 struct p2p_device *dev = p2p_get_device_interface(p2p, iface_addr);
5230 if (dev == NULL)
5231 return -1;
5232 os_memcpy(dev_addr, dev->info.p2p_device_addr, ETH_ALEN);
5233 return 0;
5234 }
5235
5236
5237 void p2p_set_peer_filter(struct p2p_data *p2p, const u8 *addr)
5238 {
5239 os_memcpy(p2p->peer_filter, addr, ETH_ALEN);
5240 if (is_zero_ether_addr(p2p->peer_filter))
5241 p2p_dbg(p2p, "Disable peer filter");
5242 else
5243 p2p_dbg(p2p, "Enable peer filter for " MACSTR_SEC,
5244 MAC2STR_SEC(p2p->peer_filter));
5245 }
5246
5247
5248 void p2p_set_cross_connect(struct p2p_data *p2p, int enabled)
5249 {
5250 p2p_dbg(p2p, "Cross connection %s", enabled ? "enabled" : "disabled");
5251 if (p2p->cross_connect == enabled)
5252 return;
5253 p2p->cross_connect = enabled;
5254 /* TODO: may need to tear down any action group where we are GO(?) */
5255 }
5256
5257
5258 int p2p_get_oper_freq(struct p2p_data *p2p, const u8 *iface_addr)
5259 {
5260 struct p2p_device *dev = p2p_get_device_interface(p2p, iface_addr);
5261 if (dev == NULL)
5262 return -1;
5263 if (dev->oper_freq <= 0)
5264 return -1;
5265 return dev->oper_freq;
5266 }
5267
5268
5269 void p2p_set_intra_bss_dist(struct p2p_data *p2p, int enabled)
5270 {
5271 p2p_dbg(p2p, "Intra BSS distribution %s",
5272 enabled ? "enabled" : "disabled");
5273 p2p->cfg->p2p_intra_bss = enabled;
5274 }
5275
5276
5277 void p2p_update_channel_list(struct p2p_data *p2p,
5278 const struct p2p_channels *chan,
5279 const struct p2p_channels *cli_chan)
5280 {
5281 p2p_dbg(p2p, "Update channel list");
5282 os_memcpy(&p2p->cfg->channels, chan, sizeof(struct p2p_channels));
5283 p2p_channels_dump(p2p, "channels", &p2p->cfg->channels);
5284 os_memcpy(&p2p->cfg->cli_channels, cli_chan,
5285 sizeof(struct p2p_channels));
5286 p2p_channels_dump(p2p, "cli_channels", &p2p->cfg->cli_channels);
5287 }
5288
5289
5290 int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
5291 const u8 *src, const u8 *bssid, const u8 *buf,
5292 size_t len, unsigned int wait_time)
5293 {
5294 int res, scheduled;
5295
5296 res = p2p->cfg->send_action(p2p->cfg->cb_ctx, freq, dst, src, bssid,
5297 buf, len, wait_time, &scheduled);
5298 #ifndef CONFIG_MIRACAST_SINK_OPT
5299 if (res == 0 && scheduled && p2p->in_listen && freq > 0 &&
5300 p2p->drv_in_listen > 0 &&
5301 (unsigned int) p2p->drv_in_listen != freq) {
5302 p2p_dbg(p2p,
5303 "Stop listen on %d MHz to allow a frame to be sent immediately on %d MHz",
5304 p2p->drv_in_listen, freq);
5305 p2p_stop_listen_for_freq(p2p, freq);
5306 }
5307 #endif
5308 return res;
5309 }
5310
5311
5312 void p2p_set_best_channels(struct p2p_data *p2p, int freq_24, int freq_5,
5313 int freq_overall)
5314 {
5315 p2p_dbg(p2p, "Best channel: 2.4 GHz: %d, 5 GHz: %d, overall: %d",
5316 freq_24, freq_5, freq_overall);
5317 p2p->best_freq_24 = freq_24;
5318 p2p->best_freq_5 = freq_5;
5319 p2p->best_freq_overall = freq_overall;
5320 }
5321
5322
5323 void p2p_set_own_freq_preference(struct p2p_data *p2p, int freq)
5324 {
5325 p2p_dbg(p2p, "Own frequency preference: %d MHz", freq);
5326 p2p->own_freq_preference = freq;
5327 }
5328
5329
5330 const u8 * p2p_get_go_neg_peer(struct p2p_data *p2p)
5331 {
5332 if (p2p == NULL || p2p->go_neg_peer == NULL)
5333 return NULL;
5334 return p2p->go_neg_peer->info.p2p_device_addr;
5335 }
5336
5337
5338 const struct p2p_peer_info *
5339 p2p_get_peer_found(struct p2p_data *p2p, const u8 *addr, int next)
5340 {
5341 struct p2p_device *dev;
5342
5343 if (addr) {
5344 dev = p2p_get_device(p2p, addr);
5345 if (!dev)
5346 return NULL;
5347
5348 if (!next) {
5349 if (dev->flags & P2P_DEV_PROBE_REQ_ONLY)
5350 return NULL;
5351
5352 return &dev->info;
5353 } else {
5354 do {
5355 dev = dl_list_first(&dev->list,
5356 struct p2p_device,
5357 list);
5358 if (!dev || &dev->list == &p2p->devices)
5359 return NULL;
5360 } while (dev->flags & P2P_DEV_PROBE_REQ_ONLY);
5361 }
5362 } else {
5363 dev = dl_list_first(&p2p->devices, struct p2p_device, list);
5364 if (!dev)
5365 return NULL;
5366 while (dev->flags & P2P_DEV_PROBE_REQ_ONLY) {
5367 dev = dl_list_first(&dev->list,
5368 struct p2p_device,
5369 list);
5370 if (!dev || &dev->list == &p2p->devices)
5371 return NULL;
5372 }
5373 }
5374
5375 return &dev->info;
5376 }
5377
5378
5379 int p2p_in_progress(struct p2p_data *p2p)
5380 {
5381 if (p2p == NULL)
5382 return 0;
5383 if (p2p->state == P2P_SEARCH)
5384 return 2;
5385 return p2p->state != P2P_IDLE && p2p->state != P2P_PROVISIONING;
5386 }
5387
5388
5389 void p2p_set_config_timeout(struct p2p_data *p2p, u8 go_timeout,
5390 u8 client_timeout)
5391 {
5392 if (p2p) {
5393 p2p->go_timeout = go_timeout;
5394 p2p->client_timeout = client_timeout;
5395 }
5396 }
5397
5398
5399 #ifdef CONFIG_WIFI_DISPLAY
5400
5401 static void p2p_update_wfd_ie_groups(struct p2p_data *p2p)
5402 {
5403 size_t g;
5404 struct p2p_group *group;
5405
5406 for (g = 0; g < p2p->num_groups; g++) {
5407 group = p2p->groups[g];
5408 p2p_group_force_beacon_update_ies(group);
5409 }
5410 }
5411
5412
5413 int p2p_set_wfd_ie_beacon(struct p2p_data *p2p, struct wpabuf *ie)
5414 {
5415 wpabuf_free(p2p->wfd_ie_beacon);
5416 p2p->wfd_ie_beacon = ie;
5417 p2p_update_wfd_ie_groups(p2p);
5418 return 0;
5419 }
5420
5421
5422 int p2p_set_wfd_ie_probe_req(struct p2p_data *p2p, struct wpabuf *ie)
5423 {
5424 wpabuf_free(p2p->wfd_ie_probe_req);
5425 p2p->wfd_ie_probe_req = ie;
5426 return 0;
5427 }
5428
5429
5430 int p2p_set_wfd_ie_probe_resp(struct p2p_data *p2p, struct wpabuf *ie)
5431 {
5432 wpabuf_free(p2p->wfd_ie_probe_resp);
5433 p2p->wfd_ie_probe_resp = ie;
5434 p2p_update_wfd_ie_groups(p2p);
5435 return 0;
5436 }
5437
5438
5439 int p2p_set_wfd_ie_assoc_req(struct p2p_data *p2p, struct wpabuf *ie)
5440 {
5441 wpabuf_free(p2p->wfd_ie_assoc_req);
5442 p2p->wfd_ie_assoc_req = ie;
5443 return 0;
5444 }
5445
5446
5447 int p2p_set_wfd_ie_invitation(struct p2p_data *p2p, struct wpabuf *ie)
5448 {
5449 wpabuf_free(p2p->wfd_ie_invitation);
5450 p2p->wfd_ie_invitation = ie;
5451 return 0;
5452 }
5453
5454
5455 int p2p_set_wfd_ie_prov_disc_req(struct p2p_data *p2p, struct wpabuf *ie)
5456 {
5457 wpabuf_free(p2p->wfd_ie_prov_disc_req);
5458 p2p->wfd_ie_prov_disc_req = ie;
5459 return 0;
5460 }
5461
5462
5463 int p2p_set_wfd_ie_prov_disc_resp(struct p2p_data *p2p, struct wpabuf *ie)
5464 {
5465 wpabuf_free(p2p->wfd_ie_prov_disc_resp);
5466 p2p->wfd_ie_prov_disc_resp = ie;
5467 return 0;
5468 }
5469
5470
5471 int p2p_set_wfd_ie_go_neg(struct p2p_data *p2p, struct wpabuf *ie)
5472 {
5473 wpabuf_free(p2p->wfd_ie_go_neg);
5474 p2p->wfd_ie_go_neg = ie;
5475 return 0;
5476 }
5477
5478
5479 int p2p_set_wfd_dev_info(struct p2p_data *p2p, const struct wpabuf *elem)
5480 {
5481 wpabuf_free(p2p->wfd_dev_info);
5482 if (elem) {
5483 p2p->wfd_dev_info = wpabuf_dup(elem);
5484 if (p2p->wfd_dev_info == NULL)
5485 return -1;
5486 } else
5487 p2p->wfd_dev_info = NULL;
5488
5489 return 0;
5490 }
5491
5492
5493 int p2p_set_wfd_r2_dev_info(struct p2p_data *p2p, const struct wpabuf *elem)
5494 {
5495 wpabuf_free(p2p->wfd_r2_dev_info);
5496 if (elem) {
5497 p2p->wfd_r2_dev_info = wpabuf_dup(elem);
5498 if (p2p->wfd_r2_dev_info == NULL)
5499 return -1;
5500 } else
5501 p2p->wfd_r2_dev_info = NULL;
5502
5503 return 0;
5504 }
5505
5506
5507 int p2p_set_wfd_assoc_bssid(struct p2p_data *p2p, const struct wpabuf *elem)
5508 {
5509 wpabuf_free(p2p->wfd_assoc_bssid);
5510 if (elem) {
5511 p2p->wfd_assoc_bssid = wpabuf_dup(elem);
5512 if (p2p->wfd_assoc_bssid == NULL)
5513 return -1;
5514 } else
5515 p2p->wfd_assoc_bssid = NULL;
5516
5517 return 0;
5518 }
5519
5520
5521 int p2p_set_wfd_coupled_sink_info(struct p2p_data *p2p,
5522 const struct wpabuf *elem)
5523 {
5524 wpabuf_free(p2p->wfd_coupled_sink_info);
5525 if (elem) {
5526 p2p->wfd_coupled_sink_info = wpabuf_dup(elem);
5527 if (p2p->wfd_coupled_sink_info == NULL)
5528 return -1;
5529 } else
5530 p2p->wfd_coupled_sink_info = NULL;
5531
5532 return 0;
5533 }
5534
5535 #endif /* CONFIG_WIFI_DISPLAY */
5536
5537
5538 int p2p_set_disc_int(struct p2p_data *p2p, int min_disc_int, int max_disc_int,
5539 int max_disc_tu)
5540 {
5541 if (min_disc_int > max_disc_int || min_disc_int < 0 || max_disc_int < 0)
5542 return -1;
5543
5544 p2p->min_disc_int = min_disc_int;
5545 p2p->max_disc_int = max_disc_int;
5546 p2p->max_disc_tu = max_disc_tu;
5547 p2p_dbg(p2p, "Set discoverable interval: min=%d max=%d max_tu=%d",
5548 min_disc_int, max_disc_int, max_disc_tu);
5549
5550 return 0;
5551 }
5552
5553
5554 void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...)
5555 {
5556 va_list ap;
5557 char buf[500];
5558
5559 if (!p2p->cfg->debug_print)
5560 return;
5561
5562 va_start(ap, fmt);
5563 vsnprintf(buf, sizeof(buf), fmt, ap);
5564 buf[sizeof(buf) - 1] = '\0';
5565 va_end(ap);
5566 p2p->cfg->debug_print(p2p->cfg->cb_ctx, MSG_DEBUG, buf);
5567 }
5568
5569
5570 void p2p_info(struct p2p_data *p2p, const char *fmt, ...)
5571 {
5572 va_list ap;
5573 char buf[500];
5574
5575 if (!p2p->cfg->debug_print)
5576 return;
5577
5578 va_start(ap, fmt);
5579 vsnprintf(buf, sizeof(buf), fmt, ap);
5580 buf[sizeof(buf) - 1] = '\0';
5581 va_end(ap);
5582 p2p->cfg->debug_print(p2p->cfg->cb_ctx, MSG_INFO, buf);
5583 }
5584
5585
5586 void p2p_err(struct p2p_data *p2p, const char *fmt, ...)
5587 {
5588 va_list ap;
5589 char buf[500];
5590
5591 if (!p2p->cfg->debug_print)
5592 return;
5593
5594 va_start(ap, fmt);
5595 vsnprintf(buf, sizeof(buf), fmt, ap);
5596 buf[sizeof(buf) - 1] = '\0';
5597 va_end(ap);
5598 p2p->cfg->debug_print(p2p->cfg->cb_ctx, MSG_ERROR, buf);
5599 }
5600
5601 void p2p_warning(struct p2p_data *p2p, const char *fmt, ...)
5602 {
5603 va_list ap;
5604 char buf[500];
5605
5606 if (!p2p->cfg->debug_print)
5607 return;
5608
5609 va_start(ap, fmt);
5610 vsnprintf(buf, sizeof(buf), fmt, ap);
5611 buf[sizeof(buf) - 1] = '\0';
5612 va_end(ap);
5613 p2p->cfg->debug_print(p2p->cfg->cb_ctx, MSG_WARNING, buf);
5614 }
5615
5616 void p2p_loop_on_known_peers(struct p2p_data *p2p,
5617 void (*peer_callback)(struct p2p_peer_info *peer,
5618 void *user_data),
5619 void *user_data)
5620 {
5621 struct p2p_device *dev, *n;
5622
5623 dl_list_for_each_safe(dev, n, &p2p->devices, struct p2p_device, list) {
5624 peer_callback(&dev->info, user_data);
5625 }
5626 }
5627
5628
5629 #ifdef CONFIG_WPS_NFC
5630
5631 static struct wpabuf * p2p_build_nfc_handover(struct p2p_data *p2p,
5632 int client_freq,
5633 const u8 *go_dev_addr,
5634 const u8 *ssid, size_t ssid_len)
5635 {
5636 struct wpabuf *buf;
5637 u8 op_class, channel;
5638 enum p2p_role_indication role = P2P_DEVICE_NOT_IN_GROUP;
5639
5640 buf = wpabuf_alloc(1000);
5641 if (buf == NULL)
5642 return NULL;
5643
5644 op_class = p2p->cfg->reg_class;
5645 channel = p2p->cfg->channel;
5646
5647 p2p_buf_add_capability(buf, p2p->dev_capab &
5648 ~P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY, 0);
5649 p2p_buf_add_device_info(buf, p2p, NULL);
5650
5651 if (p2p->num_groups > 0) {
5652 int freq = p2p_group_get_freq(p2p->groups[0]);
5653 role = P2P_GO_IN_A_GROUP;
5654 if (p2p_freq_to_channel(freq, &op_class, &channel) < 0) {
5655 p2p_dbg(p2p,
5656 "Unknown GO operating frequency %d MHz for NFC handover",
5657 freq);
5658 wpabuf_free(buf);
5659 return NULL;
5660 }
5661 } else if (client_freq > 0) {
5662 role = P2P_CLIENT_IN_A_GROUP;
5663 if (p2p_freq_to_channel(client_freq, &op_class, &channel) < 0) {
5664 p2p_dbg(p2p,
5665 "Unknown client operating frequency %d MHz for NFC handover",
5666 client_freq);
5667 wpabuf_free(buf);
5668 return NULL;
5669 }
5670 }
5671
5672 p2p_buf_add_oob_go_neg_channel(buf, p2p->cfg->country, op_class,
5673 channel, role);
5674
5675 if (p2p->num_groups > 0) {
5676 /* Limit number of clients to avoid very long message */
5677 p2p_buf_add_group_info(p2p->groups[0], buf, 5);
5678 p2p_group_buf_add_id(p2p->groups[0], buf);
5679 } else if (client_freq > 0 &&
5680 go_dev_addr && !is_zero_ether_addr(go_dev_addr) &&
5681 ssid && ssid_len > 0) {
5682 /*
5683 * Add the optional P2P Group ID to indicate in which group this
5684 * device is a P2P Client.
5685 */
5686 p2p_buf_add_group_id(buf, go_dev_addr, ssid, ssid_len);
5687 }
5688
5689 return buf;
5690 }
5691
5692
5693 struct wpabuf * p2p_build_nfc_handover_req(struct p2p_data *p2p,
5694 int client_freq,
5695 const u8 *go_dev_addr,
5696 const u8 *ssid, size_t ssid_len)
5697 {
5698 return p2p_build_nfc_handover(p2p, client_freq, go_dev_addr, ssid,
5699 ssid_len);
5700 }
5701
5702
5703 struct wpabuf * p2p_build_nfc_handover_sel(struct p2p_data *p2p,
5704 int client_freq,
5705 const u8 *go_dev_addr,
5706 const u8 *ssid, size_t ssid_len)
5707 {
5708 return p2p_build_nfc_handover(p2p, client_freq, go_dev_addr, ssid,
5709 ssid_len);
5710 }
5711
5712
5713 int p2p_process_nfc_connection_handover(struct p2p_data *p2p,
5714 struct p2p_nfc_params *params)
5715 {
5716 struct p2p_message msg;
5717 struct p2p_device *dev;
5718 const u8 *p2p_dev_addr;
5719 int freq;
5720 enum p2p_role_indication role;
5721
5722 params->next_step = NO_ACTION;
5723
5724 if (p2p_parse_ies_separate(params->wsc_attr, params->wsc_len,
5725 params->p2p_attr, params->p2p_len, &msg)) {
5726 p2p_dbg(p2p, "Failed to parse WSC/P2P attributes from NFC");
5727 p2p_parse_free(&msg);
5728 return -1;
5729 }
5730
5731 if (msg.p2p_device_addr)
5732 p2p_dev_addr = msg.p2p_device_addr;
5733 else if (msg.device_id)
5734 p2p_dev_addr = msg.device_id;
5735 else {
5736 p2p_dbg(p2p, "Ignore scan data without P2P Device Info or P2P Device Id");
5737 p2p_parse_free(&msg);
5738 return -1;
5739 }
5740
5741 if (msg.oob_dev_password) {
5742 os_memcpy(params->oob_dev_pw, msg.oob_dev_password,
5743 msg.oob_dev_password_len);
5744 params->oob_dev_pw_len = msg.oob_dev_password_len;
5745 }
5746
5747 dev = p2p_create_device(p2p, p2p_dev_addr);
5748 if (dev == NULL) {
5749 p2p_parse_free(&msg);
5750 return -1;
5751 }
5752
5753 params->peer = &dev->info;
5754
5755 os_get_reltime(&dev->last_seen);
5756 dev->flags &= ~(P2P_DEV_PROBE_REQ_ONLY | P2P_DEV_GROUP_CLIENT_ONLY);
5757 p2p_copy_wps_info(p2p, dev, 0, &msg);
5758
5759 if (!msg.oob_go_neg_channel) {
5760 p2p_dbg(p2p, "OOB GO Negotiation Channel attribute not included");
5761 p2p_parse_free(&msg);
5762 return -1;
5763 }
5764
5765 if (msg.oob_go_neg_channel[3] == 0 &&
5766 msg.oob_go_neg_channel[4] == 0)
5767 freq = 0;
5768 else
5769 freq = p2p_channel_to_freq(msg.oob_go_neg_channel[3],
5770 msg.oob_go_neg_channel[4]);
5771 if (freq < 0) {
5772 p2p_dbg(p2p, "Unknown peer OOB GO Neg channel");
5773 p2p_parse_free(&msg);
5774 return -1;
5775 }
5776 role = msg.oob_go_neg_channel[5];
5777
5778 if (role == P2P_GO_IN_A_GROUP) {
5779 p2p_dbg(p2p, "Peer OOB GO operating channel: %u MHz", freq);
5780 params->go_freq = freq;
5781 } else if (role == P2P_CLIENT_IN_A_GROUP) {
5782 p2p_dbg(p2p, "Peer (client) OOB GO operating channel: %u MHz",
5783 freq);
5784 params->go_freq = freq;
5785 } else
5786 p2p_dbg(p2p, "Peer OOB GO Neg channel: %u MHz", freq);
5787 dev->oob_go_neg_freq = freq;
5788
5789 if (!params->sel && role != P2P_GO_IN_A_GROUP) {
5790 freq = p2p_channel_to_freq(p2p->cfg->reg_class,
5791 p2p->cfg->channel);
5792 if (freq < 0) {
5793 p2p_dbg(p2p, "Own listen channel not known");
5794 p2p_parse_free(&msg);
5795 return -1;
5796 }
5797 p2p_dbg(p2p, "Use own Listen channel as OOB GO Neg channel: %u MHz", freq);
5798 dev->oob_go_neg_freq = freq;
5799 }
5800
5801 if (msg.group_id) {
5802 os_memcpy(params->go_dev_addr, msg.group_id, ETH_ALEN);
5803 params->go_ssid_len = msg.group_id_len - ETH_ALEN;
5804 os_memcpy(params->go_ssid, msg.group_id + ETH_ALEN,
5805 params->go_ssid_len);
5806 }
5807
5808 if (dev->flags & P2P_DEV_USER_REJECTED) {
5809 p2p_dbg(p2p, "Do not report rejected device");
5810 p2p_parse_free(&msg);
5811 return 0;
5812 }
5813
5814 if (!(dev->flags & P2P_DEV_REPORTED)) {
5815 p2p->cfg->dev_found(p2p->cfg->cb_ctx, p2p_dev_addr, &dev->info,
5816 !(dev->flags & P2P_DEV_REPORTED_ONCE));
5817 dev->flags |= P2P_DEV_REPORTED | P2P_DEV_REPORTED_ONCE;
5818 }
5819 p2p_parse_free(&msg);
5820
5821 if (role == P2P_GO_IN_A_GROUP && p2p->num_groups > 0)
5822 params->next_step = BOTH_GO;
5823 else if (role == P2P_GO_IN_A_GROUP)
5824 params->next_step = JOIN_GROUP;
5825 else if (role == P2P_CLIENT_IN_A_GROUP) {
5826 dev->flags |= P2P_DEV_GROUP_CLIENT_ONLY;
5827 params->next_step = PEER_CLIENT;
5828 } else if (p2p->num_groups > 0)
5829 params->next_step = AUTH_JOIN;
5830 else if (params->sel)
5831 params->next_step = INIT_GO_NEG;
5832 else
5833 params->next_step = RESP_GO_NEG;
5834
5835 return 0;
5836 }
5837
5838
5839 void p2p_set_authorized_oob_dev_pw_id(struct p2p_data *p2p, u16 dev_pw_id,
5840 int go_intent,
5841 const u8 *own_interface_addr)
5842 {
5843
5844 p2p->authorized_oob_dev_pw_id = dev_pw_id;
5845 if (dev_pw_id == 0) {
5846 p2p_dbg(p2p, "NFC OOB Password unauthorized for static handover");
5847 return;
5848 }
5849
5850 p2p_dbg(p2p, "NFC OOB Password (id=%u) authorized for static handover",
5851 dev_pw_id);
5852
5853 p2p->go_intent = go_intent;
5854 os_memcpy(p2p->intended_addr, own_interface_addr, ETH_ALEN);
5855 }
5856
5857 #endif /* CONFIG_WPS_NFC */
5858
5859
5860 int p2p_set_passphrase_len(struct p2p_data *p2p, unsigned int len)
5861 {
5862 if (len < 8 || len > 63)
5863 return -1;
5864 p2p->cfg->passphrase_len = len;
5865 return 0;
5866 }
5867
5868
5869 void p2p_set_vendor_elems(struct p2p_data *p2p, struct wpabuf **vendor_elem)
5870 {
5871 p2p->vendor_elem = vendor_elem;
5872 }
5873
5874
5875 void p2p_go_neg_wait_timeout(void *eloop_ctx, void *timeout_ctx)
5876 {
5877 struct p2p_data *p2p = eloop_ctx;
5878
5879 p2p_dbg(p2p,
5880 "Timeout on waiting peer to become ready for GO Negotiation");
5881
5882 #ifdef CONFIG_P2P_CHR
5883 if (p2p->state == P2P_WAIT_PEER_CONNECT || p2p->state == P2P_WAIT_PEER_IDLE) {
5884 wpa_supplicant_upload_chr_statistics_event(GO_NEG_WAIT_PEER_READY_TIMEOUT_CNT);
5885 wpa_supplicant_upload_state_before_group_formation_success(GROUP_OWNER_NEGOTIATION,
5886 P2P_EVENT_REASON_GO_NEGOTIATION_WAIT_PEER_READY_TIMEOUT);
5887 #ifdef CONFIG_LIBWPA_VENDOR
5888 char buf[CHR_BUFFER_SIZE] = {0};
5889 os_snprintf(buf, CHR_BUFFER_SIZE, "04:%serrCode=%d", WPA_EVENT_CHR_REPORT,
5890 GO_NEGOTIATION_WAIT_PEER_READY_TIMEOUT);
5891 WpaEventReport("p2p0", WPA_EVENT_STA_NOTIFY, (void *)buf);
5892 #endif
5893 }
5894 #endif
5895
5896 #ifdef HARMONY_P2P_CONNECTIVITY_PATCH
5897 if (p2p->go_neg_peer)
5898 p2p_go_neg_failed(p2p, -1);
5899 #else
5900 p2p_go_neg_failed(p2p, -1);
5901 #endif
5902 }
5903
5904
5905 void p2p_set_own_pref_freq_list(struct p2p_data *p2p,
5906 const struct weighted_pcl *pref_freq_list,
5907 unsigned int size)
5908 {
5909 unsigned int i;
5910
5911 if (size > P2P_MAX_PREF_CHANNELS)
5912 size = P2P_MAX_PREF_CHANNELS;
5913 p2p->num_pref_freq = size;
5914 os_memcpy(p2p->pref_freq_list, pref_freq_list,
5915 size * sizeof(struct weighted_pcl));
5916 for (i = 0; i < size; i++) {
5917 p2p_dbg(p2p, "Own preferred frequency list[%u]=%u MHz",
5918 i, p2p->pref_freq_list[i].freq);
5919 }
5920 }
5921
5922
5923 void p2p_set_override_pref_op_chan(struct p2p_data *p2p, u8 op_class,
5924 u8 chan)
5925 {
5926 p2p->override_pref_op_class = op_class;
5927 p2p->override_pref_channel = chan;
5928 }
5929
5930
5931 struct wpabuf * p2p_build_probe_resp_template(struct p2p_data *p2p,
5932 unsigned int freq)
5933 {
5934 struct wpabuf *ies, *buf;
5935 u8 addr[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5936 int ret;
5937
5938 ies = p2p_build_probe_resp_ies(p2p, NULL, 0);
5939 if (!ies) {
5940 wpa_printf(MSG_ERROR,
5941 "CTRL: Failed to build Probe Response IEs");
5942 return NULL;
5943 }
5944
5945 buf = wpabuf_alloc(200 + wpabuf_len(ies));
5946 if (!buf) {
5947 wpabuf_free(ies);
5948 return NULL;
5949 }
5950
5951 ret = p2p_build_probe_resp_buf(p2p, buf, ies, addr, freq);
5952 wpabuf_free(ies);
5953 if (ret) {
5954 wpabuf_free(buf);
5955 return NULL;
5956 }
5957
5958 return buf;
5959 }
5960
5961
5962 bool p2p_is_peer_6ghz_capab(struct p2p_data *p2p, const u8 *addr)
5963 {
5964 struct p2p_device *dev;
5965
5966 dev = p2p_get_device(p2p, addr);
5967 if (!dev)
5968 return false;
5969
5970 return dev->support_6ghz;
5971 }
5972
5973
5974 void p2p_set_6ghz_dev_capab(struct p2p_data *p2p, bool allow_6ghz)
5975 {
5976 p2p->p2p_6ghz_capable = allow_6ghz;
5977 p2p->allow_6ghz = allow_6ghz;
5978 p2p_dbg(p2p, "Set 6 GHz capability to %d", allow_6ghz);
5979
5980 if (allow_6ghz)
5981 p2p->dev_capab |= P2P_DEV_CAPAB_6GHZ_BAND_CAPABLE;
5982 else
5983 p2p->dev_capab &= ~P2P_DEV_CAPAB_6GHZ_BAND_CAPABLE;
5984 }
5985
5986
5987 bool is_p2p_6ghz_capable(struct p2p_data *p2p)
5988 {
5989 return p2p->p2p_6ghz_capable;
5990 }
5991
5992
5993 bool p2p_wfd_enabled(struct p2p_data *p2p)
5994 {
5995 #ifdef CONFIG_WIFI_DISPLAY
5996 return p2p->wfd_ie_probe_req != NULL;
5997 #else /* CONFIG_WIFI_DISPLAY */
5998 return false;
5999 #endif /* CONFIG_WIFI_DISPLAY */
6000 }
6001
6002
6003 bool p2p_peer_wfd_enabled(struct p2p_data *p2p, const u8 *peer_addr)
6004 {
6005 #ifdef CONFIG_WIFI_DISPLAY
6006 struct p2p_device *dev;
6007
6008 dev = p2p_get_device(p2p, peer_addr);
6009 return dev && dev->info.wfd_subelems != NULL;
6010 #else /* CONFIG_WIFI_DISPLAY */
6011 return false;
6012 #endif /* CONFIG_WIFI_DISPLAY */
6013 }
6014
6015
6016 bool is_p2p_allow_6ghz(struct p2p_data *p2p)
6017 {
6018 return p2p->allow_6ghz;
6019 }
6020
6021
6022 void set_p2p_allow_6ghz(struct p2p_data *p2p, bool value)
6023 {
6024 p2p->allow_6ghz = value;
6025 }
6026
6027 #ifdef HARMONY_P2P_CONNECTIVITY_PATCH
6028 int p2p_is_concurrents(struct p2p_data *p2p)
6029 {
6030 if (p2p->cfg->is_concurrent_session_active &&
6031 p2p->cfg->is_concurrent_session_active(p2p->cfg->cb_ctx))
6032 return 1;
6033 else
6034 return 0;
6035 }
6036
6037 int p2p_get_enable_go_neg_opt(struct p2p_data *p2p)
6038 {
6039 return p2p->enable_go_neg_opt;
6040 }
6041
6042 int p2p_get_process_go_neg_opt(struct p2p_data *p2p)
6043 {
6044 return p2p->process_go_neg_opt;
6045 }
6046
6047 void p2p_set_enable_go_neg_opt(struct p2p_data *p2p, int status)
6048 {
6049 p2p_dbg(p2p, "set enable_go_neg_opt=%d", status);
6050 p2p->enable_go_neg_opt = status;
6051 }
6052
6053 void p2p_set_process_go_neg_opt(struct p2p_data *p2p, int status)
6054 {
6055 p2p_dbg(p2p, "set process_go_neg_opt=%d", status);
6056 p2p->process_go_neg_opt = status;
6057 }
6058 #endif
6059
6060 #ifdef HARMONY_CONNECTIVITY_PATCH
6061 #ifndef OPEN_HARMONY_MIRACAST_SINK_OPT
6062 int p2p_get_persistent_group_need_remove_flag(struct p2p_data *p2p)
6063 {
6064 #ifndef HW_WPA_REDUCE_LOG
6065 p2p_dbg(p2p, "get persistent_group_need_remove = %d",
6066 p2p->persistent_group_need_remove);
6067 #endif
6068 return p2p->persistent_group_need_remove;
6069 }
6070
6071 void p2p_set_persistent_group_need_remove_flag(struct p2p_data *p2p, int value)
6072 {
6073 #ifndef HW_WPA_REDUCE_LOG
6074 p2p_dbg(p2p, "set persistent_group_need_remove = %d",
6075 p2p->persistent_group_need_remove);
6076 #endif
6077 p2p->persistent_group_need_remove = value;
6078 }
6079 #endif
6080 #endif
6081