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Allow RSNE in EAPOL-Key msg 2/4 to be overridden for testing purposes
[thirdparty/hostap.git] / wpa_supplicant / events.c
1 /*
2 * WPA Supplicant - Driver event processing
3 * Copyright (c) 2003-2019, Jouni Malinen <j@w1.fi>
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 "eapol_supp/eapol_supp_sm.h"
13 #include "rsn_supp/wpa.h"
14 #include "eloop.h"
15 #include "config.h"
16 #include "l2_packet/l2_packet.h"
17 #include "wpa_supplicant_i.h"
18 #include "driver_i.h"
19 #include "pcsc_funcs.h"
20 #include "rsn_supp/preauth.h"
21 #include "rsn_supp/pmksa_cache.h"
22 #include "common/wpa_ctrl.h"
23 #include "eap_peer/eap.h"
24 #include "ap/hostapd.h"
25 #include "p2p/p2p.h"
26 #include "fst/fst.h"
27 #include "wnm_sta.h"
28 #include "notify.h"
29 #include "common/ieee802_11_defs.h"
30 #include "common/ieee802_11_common.h"
31 #include "common/gas_server.h"
32 #include "common/dpp.h"
33 #include "crypto/random.h"
34 #include "blacklist.h"
35 #include "wpas_glue.h"
36 #include "wps_supplicant.h"
37 #include "ibss_rsn.h"
38 #include "sme.h"
39 #include "gas_query.h"
40 #include "p2p_supplicant.h"
41 #include "bgscan.h"
42 #include "autoscan.h"
43 #include "ap.h"
44 #include "bss.h"
45 #include "scan.h"
46 #include "offchannel.h"
47 #include "interworking.h"
48 #include "mesh.h"
49 #include "mesh_mpm.h"
50 #include "wmm_ac.h"
51 #include "dpp_supplicant.h"
52
53
54 #define MAX_OWE_TRANSITION_BSS_SELECT_COUNT 5
55
56
57 #ifndef CONFIG_NO_SCAN_PROCESSING
58 static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
59 int new_scan, int own_request);
60 #endif /* CONFIG_NO_SCAN_PROCESSING */
61
62
63 int wpas_temp_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
64 {
65 struct os_reltime now;
66
67 if (ssid == NULL || ssid->disabled_until.sec == 0)
68 return 0;
69
70 os_get_reltime(&now);
71 if (ssid->disabled_until.sec > now.sec)
72 return ssid->disabled_until.sec - now.sec;
73
74 wpas_clear_temp_disabled(wpa_s, ssid, 0);
75
76 return 0;
77 }
78
79
80 #ifndef CONFIG_NO_SCAN_PROCESSING
81 /**
82 * wpas_reenabled_network_time - Time until first network is re-enabled
83 * @wpa_s: Pointer to wpa_supplicant data
84 * Returns: If all enabled networks are temporarily disabled, returns the time
85 * (in sec) until the first network is re-enabled. Otherwise returns 0.
86 *
87 * This function is used in case all enabled networks are temporarily disabled,
88 * in which case it returns the time (in sec) that the first network will be
89 * re-enabled. The function assumes that at least one network is enabled.
90 */
91 static int wpas_reenabled_network_time(struct wpa_supplicant *wpa_s)
92 {
93 struct wpa_ssid *ssid;
94 int disabled_for, res = 0;
95
96 #ifdef CONFIG_INTERWORKING
97 if (wpa_s->conf->auto_interworking && wpa_s->conf->interworking &&
98 wpa_s->conf->cred)
99 return 0;
100 #endif /* CONFIG_INTERWORKING */
101
102 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
103 if (ssid->disabled)
104 continue;
105
106 disabled_for = wpas_temp_disabled(wpa_s, ssid);
107 if (!disabled_for)
108 return 0;
109
110 if (!res || disabled_for < res)
111 res = disabled_for;
112 }
113
114 return res;
115 }
116 #endif /* CONFIG_NO_SCAN_PROCESSING */
117
118
119 void wpas_network_reenabled(void *eloop_ctx, void *timeout_ctx)
120 {
121 struct wpa_supplicant *wpa_s = eloop_ctx;
122
123 if (wpa_s->disconnected || wpa_s->wpa_state != WPA_SCANNING)
124 return;
125
126 wpa_dbg(wpa_s, MSG_DEBUG,
127 "Try to associate due to network getting re-enabled");
128 if (wpa_supplicant_fast_associate(wpa_s) != 1) {
129 wpa_supplicant_cancel_sched_scan(wpa_s);
130 wpa_supplicant_req_scan(wpa_s, 0, 0);
131 }
132 }
133
134
135 static struct wpa_bss * wpa_supplicant_get_new_bss(
136 struct wpa_supplicant *wpa_s, const u8 *bssid)
137 {
138 struct wpa_bss *bss = NULL;
139 struct wpa_ssid *ssid = wpa_s->current_ssid;
140
141 if (ssid->ssid_len > 0)
142 bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
143 if (!bss)
144 bss = wpa_bss_get_bssid(wpa_s, bssid);
145
146 return bss;
147 }
148
149
150 static void wpa_supplicant_update_current_bss(struct wpa_supplicant *wpa_s)
151 {
152 struct wpa_bss *bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid);
153
154 if (!bss) {
155 wpa_supplicant_update_scan_results(wpa_s);
156
157 /* Get the BSS from the new scan results */
158 bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid);
159 }
160
161 if (bss)
162 wpa_s->current_bss = bss;
163 }
164
165
166 static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
167 {
168 struct wpa_ssid *ssid, *old_ssid;
169 u8 drv_ssid[SSID_MAX_LEN];
170 size_t drv_ssid_len;
171 int res;
172
173 if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid) {
174 wpa_supplicant_update_current_bss(wpa_s);
175
176 if (wpa_s->current_ssid->ssid_len == 0)
177 return 0; /* current profile still in use */
178 res = wpa_drv_get_ssid(wpa_s, drv_ssid);
179 if (res < 0) {
180 wpa_msg(wpa_s, MSG_INFO,
181 "Failed to read SSID from driver");
182 return 0; /* try to use current profile */
183 }
184 drv_ssid_len = res;
185
186 if (drv_ssid_len == wpa_s->current_ssid->ssid_len &&
187 os_memcmp(drv_ssid, wpa_s->current_ssid->ssid,
188 drv_ssid_len) == 0)
189 return 0; /* current profile still in use */
190
191 #ifdef CONFIG_OWE
192 if ((wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
193 wpa_s->current_bss &&
194 (wpa_s->current_bss->flags & WPA_BSS_OWE_TRANSITION) &&
195 drv_ssid_len == wpa_s->current_bss->ssid_len &&
196 os_memcmp(drv_ssid, wpa_s->current_bss->ssid,
197 drv_ssid_len) == 0)
198 return 0; /* current profile still in use */
199 #endif /* CONFIG_OWE */
200
201 wpa_msg(wpa_s, MSG_DEBUG,
202 "Driver-initiated BSS selection changed the SSID to %s",
203 wpa_ssid_txt(drv_ssid, drv_ssid_len));
204 /* continue selecting a new network profile */
205 }
206
207 wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association "
208 "information");
209 ssid = wpa_supplicant_get_ssid(wpa_s);
210 if (ssid == NULL) {
211 wpa_msg(wpa_s, MSG_INFO,
212 "No network configuration found for the current AP");
213 return -1;
214 }
215
216 if (wpas_network_disabled(wpa_s, ssid)) {
217 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled");
218 return -1;
219 }
220
221 if (disallowed_bssid(wpa_s, wpa_s->bssid) ||
222 disallowed_ssid(wpa_s, ssid->ssid, ssid->ssid_len)) {
223 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS is disallowed");
224 return -1;
225 }
226
227 res = wpas_temp_disabled(wpa_s, ssid);
228 if (res > 0) {
229 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is temporarily "
230 "disabled for %d second(s)", res);
231 return -1;
232 }
233
234 wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the "
235 "current AP");
236 if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) {
237 u8 wpa_ie[80];
238 size_t wpa_ie_len = sizeof(wpa_ie);
239 if (wpa_supplicant_set_suites(wpa_s, NULL, ssid,
240 wpa_ie, &wpa_ie_len) < 0)
241 wpa_dbg(wpa_s, MSG_DEBUG, "Could not set WPA suites");
242 } else {
243 wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
244 }
245
246 if (wpa_s->current_ssid && wpa_s->current_ssid != ssid)
247 eapol_sm_invalidate_cached_session(wpa_s->eapol);
248 old_ssid = wpa_s->current_ssid;
249 wpa_s->current_ssid = ssid;
250
251 wpa_supplicant_update_current_bss(wpa_s);
252
253 wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
254 wpa_supplicant_initiate_eapol(wpa_s);
255 if (old_ssid != wpa_s->current_ssid)
256 wpas_notify_network_changed(wpa_s);
257
258 return 0;
259 }
260
261
262 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx)
263 {
264 struct wpa_supplicant *wpa_s = eloop_ctx;
265
266 if (wpa_s->countermeasures) {
267 wpa_s->countermeasures = 0;
268 wpa_drv_set_countermeasures(wpa_s, 0);
269 wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped");
270
271 /*
272 * It is possible that the device is sched scanning, which means
273 * that a connection attempt will be done only when we receive
274 * scan results. However, in this case, it would be preferable
275 * to scan and connect immediately, so cancel the sched_scan and
276 * issue a regular scan flow.
277 */
278 wpa_supplicant_cancel_sched_scan(wpa_s);
279 wpa_supplicant_req_scan(wpa_s, 0, 0);
280 }
281 }
282
283
284 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
285 {
286 int bssid_changed;
287
288 wnm_bss_keep_alive_deinit(wpa_s);
289
290 #ifdef CONFIG_IBSS_RSN
291 ibss_rsn_deinit(wpa_s->ibss_rsn);
292 wpa_s->ibss_rsn = NULL;
293 #endif /* CONFIG_IBSS_RSN */
294
295 #ifdef CONFIG_AP
296 wpa_supplicant_ap_deinit(wpa_s);
297 #endif /* CONFIG_AP */
298
299 #ifdef CONFIG_HS20
300 /* Clear possibly configured frame filters */
301 wpa_drv_configure_frame_filters(wpa_s, 0);
302 #endif /* CONFIG_HS20 */
303
304 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
305 return;
306
307 if (os_reltime_initialized(&wpa_s->session_start)) {
308 os_reltime_age(&wpa_s->session_start, &wpa_s->session_length);
309 wpa_s->session_start.sec = 0;
310 wpa_s->session_start.usec = 0;
311 wpas_notify_session_length(wpa_s);
312 }
313
314 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
315 bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
316 os_memset(wpa_s->bssid, 0, ETH_ALEN);
317 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
318 sme_clear_on_disassoc(wpa_s);
319 wpa_s->current_bss = NULL;
320 wpa_s->assoc_freq = 0;
321
322 if (bssid_changed)
323 wpas_notify_bssid_changed(wpa_s);
324
325 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
326 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
327 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
328 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE ||
329 wpa_s->key_mgmt == WPA_KEY_MGMT_DPP || wpa_s->drv_authorized_port)
330 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
331 wpa_s->drv_authorized_port = 0;
332 wpa_s->ap_ies_from_associnfo = 0;
333 wpa_s->current_ssid = NULL;
334 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
335 wpa_s->key_mgmt = 0;
336
337 wpas_rrm_reset(wpa_s);
338 wpa_s->wnmsleep_used = 0;
339 wnm_clear_coloc_intf_reporting(wpa_s);
340 wpa_s->disable_mbo_oce = 0;
341
342 #ifdef CONFIG_TESTING_OPTIONS
343 wpa_s->last_tk_alg = WPA_ALG_NONE;
344 os_memset(wpa_s->last_tk, 0, sizeof(wpa_s->last_tk));
345 #endif /* CONFIG_TESTING_OPTIONS */
346 wpa_s->ieee80211ac = 0;
347
348 if (wpa_s->enabled_4addr_mode && wpa_drv_set_4addr_mode(wpa_s, 0) == 0)
349 wpa_s->enabled_4addr_mode = 0;
350 }
351
352
353 static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s)
354 {
355 struct wpa_ie_data ie;
356 int pmksa_set = -1;
357 size_t i;
358
359 if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 ||
360 ie.pmkid == NULL)
361 return;
362
363 for (i = 0; i < ie.num_pmkid; i++) {
364 pmksa_set = pmksa_cache_set_current(wpa_s->wpa,
365 ie.pmkid + i * PMKID_LEN,
366 NULL, NULL, 0, NULL, 0);
367 if (pmksa_set == 0) {
368 eapol_sm_notify_pmkid_attempt(wpa_s->eapol);
369 break;
370 }
371 }
372
373 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from "
374 "PMKSA cache", pmksa_set == 0 ? "" : "not ");
375 }
376
377
378 static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s,
379 union wpa_event_data *data)
380 {
381 if (data == NULL) {
382 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate "
383 "event");
384 return;
385 }
386 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR
387 " index=%d preauth=%d",
388 MAC2STR(data->pmkid_candidate.bssid),
389 data->pmkid_candidate.index,
390 data->pmkid_candidate.preauth);
391
392 pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid,
393 data->pmkid_candidate.index,
394 data->pmkid_candidate.preauth);
395 }
396
397
398 static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s)
399 {
400 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
401 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
402 return 0;
403
404 #ifdef IEEE8021X_EAPOL
405 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
406 wpa_s->current_ssid &&
407 !(wpa_s->current_ssid->eapol_flags &
408 (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
409 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
410 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
411 * plaintext or static WEP keys). */
412 return 0;
413 }
414 #endif /* IEEE8021X_EAPOL */
415
416 return 1;
417 }
418
419
420 /**
421 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
422 * @wpa_s: pointer to wpa_supplicant data
423 * @ssid: Configuration data for the network
424 * Returns: 0 on success, -1 on failure
425 *
426 * This function is called when starting authentication with a network that is
427 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
428 */
429 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
430 struct wpa_ssid *ssid)
431 {
432 #ifdef IEEE8021X_EAPOL
433 #ifdef PCSC_FUNCS
434 int aka = 0, sim = 0;
435
436 if ((ssid != NULL && ssid->eap.pcsc == NULL) ||
437 wpa_s->scard != NULL || wpa_s->conf->external_sim)
438 return 0;
439
440 if (ssid == NULL || ssid->eap.eap_methods == NULL) {
441 sim = 1;
442 aka = 1;
443 } else {
444 struct eap_method_type *eap = ssid->eap.eap_methods;
445 while (eap->vendor != EAP_VENDOR_IETF ||
446 eap->method != EAP_TYPE_NONE) {
447 if (eap->vendor == EAP_VENDOR_IETF) {
448 if (eap->method == EAP_TYPE_SIM)
449 sim = 1;
450 else if (eap->method == EAP_TYPE_AKA ||
451 eap->method == EAP_TYPE_AKA_PRIME)
452 aka = 1;
453 }
454 eap++;
455 }
456 }
457
458 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL)
459 sim = 0;
460 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL &&
461 eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) ==
462 NULL)
463 aka = 0;
464
465 if (!sim && !aka) {
466 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to "
467 "use SIM, but neither EAP-SIM nor EAP-AKA are "
468 "enabled");
469 return 0;
470 }
471
472 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM "
473 "(sim=%d aka=%d) - initialize PCSC", sim, aka);
474
475 wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader);
476 if (wpa_s->scard == NULL) {
477 wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM "
478 "(pcsc-lite)");
479 return -1;
480 }
481 wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
482 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
483 #endif /* PCSC_FUNCS */
484 #endif /* IEEE8021X_EAPOL */
485
486 return 0;
487 }
488
489
490 #ifndef CONFIG_NO_SCAN_PROCESSING
491
492 #ifdef CONFIG_WEP
493 static int has_wep_key(struct wpa_ssid *ssid)
494 {
495 int i;
496
497 for (i = 0; i < NUM_WEP_KEYS; i++) {
498 if (ssid->wep_key_len[i])
499 return 1;
500 }
501
502 return 0;
503 }
504 #endif /* CONFIG_WEP */
505
506
507 static int wpa_supplicant_match_privacy(struct wpa_bss *bss,
508 struct wpa_ssid *ssid)
509 {
510 int privacy = 0;
511
512 if (ssid->mixed_cell)
513 return 1;
514
515 #ifdef CONFIG_WPS
516 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
517 return 1;
518 #endif /* CONFIG_WPS */
519
520 #ifdef CONFIG_OWE
521 if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only)
522 return 1;
523 #endif /* CONFIG_OWE */
524
525 #ifdef CONFIG_WEP
526 if (has_wep_key(ssid))
527 privacy = 1;
528 #endif /* CONFIG_WEP */
529
530 #ifdef IEEE8021X_EAPOL
531 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
532 ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
533 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))
534 privacy = 1;
535 #endif /* IEEE8021X_EAPOL */
536
537 if (wpa_key_mgmt_wpa(ssid->key_mgmt))
538 privacy = 1;
539
540 if (ssid->key_mgmt & WPA_KEY_MGMT_OSEN)
541 privacy = 1;
542
543 if (bss->caps & IEEE80211_CAP_PRIVACY)
544 return privacy;
545 return !privacy;
546 }
547
548
549 static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
550 struct wpa_ssid *ssid,
551 struct wpa_bss *bss, int debug_print)
552 {
553 struct wpa_ie_data ie;
554 int proto_match = 0;
555 const u8 *rsn_ie, *wpa_ie;
556 int ret;
557 #ifdef CONFIG_WEP
558 int wep_ok;
559 #endif /* CONFIG_WEP */
560
561 ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
562 if (ret >= 0)
563 return ret;
564
565 #ifdef CONFIG_WEP
566 /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */
567 wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
568 (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
569 ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) ||
570 (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA));
571 #endif /* CONFIG_WEP */
572
573 rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
574 while ((ssid->proto & (WPA_PROTO_RSN | WPA_PROTO_OSEN)) && rsn_ie) {
575 proto_match++;
576
577 if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) {
578 if (debug_print)
579 wpa_dbg(wpa_s, MSG_DEBUG,
580 " skip RSN IE - parse failed");
581 break;
582 }
583 if (!ie.has_pairwise)
584 ie.pairwise_cipher = wpa_default_rsn_cipher(bss->freq);
585 if (!ie.has_group)
586 ie.group_cipher = wpa_default_rsn_cipher(bss->freq);
587
588 #ifdef CONFIG_WEP
589 if (wep_ok &&
590 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
591 {
592 if (debug_print)
593 wpa_dbg(wpa_s, MSG_DEBUG,
594 " selected based on TSN in RSN IE");
595 return 1;
596 }
597 #endif /* CONFIG_WEP */
598
599 if (!(ie.proto & ssid->proto) &&
600 !(ssid->proto & WPA_PROTO_OSEN)) {
601 if (debug_print)
602 wpa_dbg(wpa_s, MSG_DEBUG,
603 " skip RSN IE - proto mismatch");
604 break;
605 }
606
607 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
608 if (debug_print)
609 wpa_dbg(wpa_s, MSG_DEBUG,
610 " skip RSN IE - PTK cipher mismatch");
611 break;
612 }
613
614 if (!(ie.group_cipher & ssid->group_cipher)) {
615 if (debug_print)
616 wpa_dbg(wpa_s, MSG_DEBUG,
617 " skip RSN IE - GTK cipher mismatch");
618 break;
619 }
620
621 if (ssid->group_mgmt_cipher &&
622 !(ie.mgmt_group_cipher & ssid->group_mgmt_cipher)) {
623 if (debug_print)
624 wpa_dbg(wpa_s, MSG_DEBUG,
625 " skip RSN IE - group mgmt cipher mismatch");
626 break;
627 }
628
629 if (!(ie.key_mgmt & ssid->key_mgmt)) {
630 if (debug_print)
631 wpa_dbg(wpa_s, MSG_DEBUG,
632 " skip RSN IE - key mgmt mismatch");
633 break;
634 }
635
636 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
637 wpas_get_ssid_pmf(wpa_s, ssid) ==
638 MGMT_FRAME_PROTECTION_REQUIRED) {
639 if (debug_print)
640 wpa_dbg(wpa_s, MSG_DEBUG,
641 " skip RSN IE - no mgmt frame protection");
642 break;
643 }
644 if ((ie.capabilities & WPA_CAPABILITY_MFPR) &&
645 wpas_get_ssid_pmf(wpa_s, ssid) ==
646 NO_MGMT_FRAME_PROTECTION) {
647 if (debug_print)
648 wpa_dbg(wpa_s, MSG_DEBUG,
649 " skip RSN IE - no mgmt frame protection enabled but AP requires it");
650 break;
651 }
652
653 if (debug_print)
654 wpa_dbg(wpa_s, MSG_DEBUG,
655 " selected based on RSN IE");
656 return 1;
657 }
658
659 if (wpas_get_ssid_pmf(wpa_s, ssid) == MGMT_FRAME_PROTECTION_REQUIRED &&
660 (!(ssid->key_mgmt & WPA_KEY_MGMT_OWE) || ssid->owe_only)) {
661 if (debug_print)
662 wpa_dbg(wpa_s, MSG_DEBUG,
663 " skip - MFP Required but network not MFP Capable");
664 return 0;
665 }
666
667 wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
668 while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) {
669 proto_match++;
670
671 if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) {
672 if (debug_print)
673 wpa_dbg(wpa_s, MSG_DEBUG,
674 " skip WPA IE - parse failed");
675 break;
676 }
677
678 #ifdef CONFIG_WEP
679 if (wep_ok &&
680 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
681 {
682 if (debug_print)
683 wpa_dbg(wpa_s, MSG_DEBUG,
684 " selected based on TSN in WPA IE");
685 return 1;
686 }
687 #endif /* CONFIG_WEP */
688
689 if (!(ie.proto & ssid->proto)) {
690 if (debug_print)
691 wpa_dbg(wpa_s, MSG_DEBUG,
692 " skip WPA IE - proto mismatch");
693 break;
694 }
695
696 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
697 if (debug_print)
698 wpa_dbg(wpa_s, MSG_DEBUG,
699 " skip WPA IE - PTK cipher mismatch");
700 break;
701 }
702
703 if (!(ie.group_cipher & ssid->group_cipher)) {
704 if (debug_print)
705 wpa_dbg(wpa_s, MSG_DEBUG,
706 " skip WPA IE - GTK cipher mismatch");
707 break;
708 }
709
710 if (!(ie.key_mgmt & ssid->key_mgmt)) {
711 if (debug_print)
712 wpa_dbg(wpa_s, MSG_DEBUG,
713 " skip WPA IE - key mgmt mismatch");
714 break;
715 }
716
717 if (debug_print)
718 wpa_dbg(wpa_s, MSG_DEBUG,
719 " selected based on WPA IE");
720 return 1;
721 }
722
723 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie &&
724 !rsn_ie) {
725 if (debug_print)
726 wpa_dbg(wpa_s, MSG_DEBUG,
727 " allow for non-WPA IEEE 802.1X");
728 return 1;
729 }
730
731 #ifdef CONFIG_OWE
732 if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only &&
733 !wpa_ie && !rsn_ie) {
734 if (wpa_s->owe_transition_select &&
735 wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE) &&
736 ssid->owe_transition_bss_select_count + 1 <=
737 MAX_OWE_TRANSITION_BSS_SELECT_COUNT) {
738 ssid->owe_transition_bss_select_count++;
739 if (debug_print)
740 wpa_dbg(wpa_s, MSG_DEBUG,
741 " skip OWE transition BSS (selection count %d does not exceed %d)",
742 ssid->owe_transition_bss_select_count,
743 MAX_OWE_TRANSITION_BSS_SELECT_COUNT);
744 wpa_s->owe_transition_search = 1;
745 return 0;
746 }
747 if (debug_print)
748 wpa_dbg(wpa_s, MSG_DEBUG,
749 " allow in OWE transition mode");
750 return 1;
751 }
752 #endif /* CONFIG_OWE */
753
754 if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) &&
755 wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) {
756 if (debug_print)
757 wpa_dbg(wpa_s, MSG_DEBUG,
758 " skip - no WPA/RSN proto match");
759 return 0;
760 }
761
762 if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) &&
763 wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE)) {
764 if (debug_print)
765 wpa_dbg(wpa_s, MSG_DEBUG, " allow in OSEN");
766 return 1;
767 }
768
769 if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) {
770 if (debug_print)
771 wpa_dbg(wpa_s, MSG_DEBUG, " allow in non-WPA/WPA2");
772 return 1;
773 }
774
775 if (debug_print)
776 wpa_dbg(wpa_s, MSG_DEBUG,
777 " reject due to mismatch with WPA/WPA2");
778
779 return 0;
780 }
781
782
783 static int freq_allowed(int *freqs, int freq)
784 {
785 int i;
786
787 if (freqs == NULL)
788 return 1;
789
790 for (i = 0; freqs[i]; i++)
791 if (freqs[i] == freq)
792 return 1;
793 return 0;
794 }
795
796
797 static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
798 struct wpa_bss *bss, int debug_print)
799 {
800 const struct hostapd_hw_modes *mode = NULL, *modes;
801 const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES };
802 const u8 *rate_ie;
803 int i, j, k;
804
805 if (bss->freq == 0)
806 return 1; /* Cannot do matching without knowing band */
807
808 modes = wpa_s->hw.modes;
809 if (modes == NULL) {
810 /*
811 * The driver does not provide any additional information
812 * about the utilized hardware, so allow the connection attempt
813 * to continue.
814 */
815 return 1;
816 }
817
818 for (i = 0; i < wpa_s->hw.num_modes; i++) {
819 for (j = 0; j < modes[i].num_channels; j++) {
820 int freq = modes[i].channels[j].freq;
821 if (freq == bss->freq) {
822 if (mode &&
823 mode->mode == HOSTAPD_MODE_IEEE80211G)
824 break; /* do not allow 802.11b replace
825 * 802.11g */
826 mode = &modes[i];
827 break;
828 }
829 }
830 }
831
832 if (mode == NULL)
833 return 0;
834
835 for (i = 0; i < (int) sizeof(scan_ie); i++) {
836 rate_ie = wpa_bss_get_ie(bss, scan_ie[i]);
837 if (rate_ie == NULL)
838 continue;
839
840 for (j = 2; j < rate_ie[1] + 2; j++) {
841 int flagged = !!(rate_ie[j] & 0x80);
842 int r = (rate_ie[j] & 0x7f) * 5;
843
844 /*
845 * IEEE Std 802.11n-2009 7.3.2.2:
846 * The new BSS Membership selector value is encoded
847 * like a legacy basic rate, but it is not a rate and
848 * only indicates if the BSS members are required to
849 * support the mandatory features of Clause 20 [HT PHY]
850 * in order to join the BSS.
851 */
852 if (flagged && ((rate_ie[j] & 0x7f) ==
853 BSS_MEMBERSHIP_SELECTOR_HT_PHY)) {
854 if (!ht_supported(mode)) {
855 if (debug_print)
856 wpa_dbg(wpa_s, MSG_DEBUG,
857 " hardware does not support HT PHY");
858 return 0;
859 }
860 continue;
861 }
862
863 /* There's also a VHT selector for 802.11ac */
864 if (flagged && ((rate_ie[j] & 0x7f) ==
865 BSS_MEMBERSHIP_SELECTOR_VHT_PHY)) {
866 if (!vht_supported(mode)) {
867 if (debug_print)
868 wpa_dbg(wpa_s, MSG_DEBUG,
869 " hardware does not support VHT PHY");
870 return 0;
871 }
872 continue;
873 }
874
875 #ifdef CONFIG_SAE
876 if (flagged && ((rate_ie[j] & 0x7f) ==
877 BSS_MEMBERSHIP_SELECTOR_SAE_H2E_ONLY)) {
878 if (wpa_s->conf->sae_pwe == 0 &&
879 !ssid->sae_password_id &&
880 wpa_key_mgmt_sae(ssid->key_mgmt)) {
881 if (debug_print)
882 wpa_dbg(wpa_s, MSG_DEBUG,
883 " SAE H2E disabled");
884 #ifdef CONFIG_TESTING_OPTIONS
885 if (wpa_s->ignore_sae_h2e_only) {
886 wpa_dbg(wpa_s, MSG_DEBUG,
887 "TESTING: Ignore SAE H2E requirement mismatch");
888 continue;
889 }
890 #endif /* CONFIG_TESTING_OPTIONS */
891 return 0;
892 }
893 continue;
894 }
895 #endif /* CONFIG_SAE */
896
897 if (!flagged)
898 continue;
899
900 /* check for legacy basic rates */
901 for (k = 0; k < mode->num_rates; k++) {
902 if (mode->rates[k] == r)
903 break;
904 }
905 if (k == mode->num_rates) {
906 /*
907 * IEEE Std 802.11-2007 7.3.2.2 demands that in
908 * order to join a BSS all required rates
909 * have to be supported by the hardware.
910 */
911 if (debug_print)
912 wpa_dbg(wpa_s, MSG_DEBUG,
913 " hardware does not support required rate %d.%d Mbps (freq=%d mode==%d num_rates=%d)",
914 r / 10, r % 10,
915 bss->freq, mode->mode, mode->num_rates);
916 return 0;
917 }
918 }
919 }
920
921 return 1;
922 }
923
924
925 /*
926 * Test whether BSS is in an ESS.
927 * This is done differently in DMG (60 GHz) and non-DMG bands
928 */
929 static int bss_is_ess(struct wpa_bss *bss)
930 {
931 if (bss_is_dmg(bss)) {
932 return (bss->caps & IEEE80211_CAP_DMG_MASK) ==
933 IEEE80211_CAP_DMG_AP;
934 }
935
936 return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) ==
937 IEEE80211_CAP_ESS);
938 }
939
940
941 static int match_mac_mask(const u8 *addr_a, const u8 *addr_b, const u8 *mask)
942 {
943 size_t i;
944
945 for (i = 0; i < ETH_ALEN; i++) {
946 if ((addr_a[i] & mask[i]) != (addr_b[i] & mask[i]))
947 return 0;
948 }
949 return 1;
950 }
951
952
953 static int addr_in_list(const u8 *addr, const u8 *list, size_t num)
954 {
955 size_t i;
956
957 for (i = 0; i < num; i++) {
958 const u8 *a = list + i * ETH_ALEN * 2;
959 const u8 *m = a + ETH_ALEN;
960
961 if (match_mac_mask(a, addr, m))
962 return 1;
963 }
964 return 0;
965 }
966
967
968 static void owe_trans_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
969 const u8 **ret_ssid, size_t *ret_ssid_len)
970 {
971 #ifdef CONFIG_OWE
972 const u8 *owe, *pos, *end, *bssid;
973 u8 ssid_len;
974 struct wpa_bss *open_bss;
975
976 owe = wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE);
977 if (!owe || !wpa_bss_get_ie(bss, WLAN_EID_RSN))
978 return;
979
980 pos = owe + 6;
981 end = owe + 2 + owe[1];
982
983 if (end - pos < ETH_ALEN + 1)
984 return;
985 bssid = pos;
986 pos += ETH_ALEN;
987 ssid_len = *pos++;
988 if (end - pos < ssid_len || ssid_len > SSID_MAX_LEN)
989 return;
990
991 /* Match the profile SSID against the OWE transition mode SSID on the
992 * open network. */
993 wpa_dbg(wpa_s, MSG_DEBUG, "OWE: transition mode BSSID: " MACSTR
994 " SSID: %s", MAC2STR(bssid), wpa_ssid_txt(pos, ssid_len));
995 *ret_ssid = pos;
996 *ret_ssid_len = ssid_len;
997
998 if (!(bss->flags & WPA_BSS_OWE_TRANSITION)) {
999 struct wpa_ssid *ssid;
1000
1001 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1002 if (wpas_network_disabled(wpa_s, ssid))
1003 continue;
1004 if (ssid->ssid_len == ssid_len &&
1005 os_memcmp(ssid->ssid, pos, ssid_len) == 0) {
1006 /* OWE BSS in transition mode for a currently
1007 * enabled OWE network. */
1008 wpa_dbg(wpa_s, MSG_DEBUG,
1009 "OWE: transition mode OWE SSID for active OWE profile");
1010 bss->flags |= WPA_BSS_OWE_TRANSITION;
1011 break;
1012 }
1013 }
1014 }
1015
1016 if (bss->ssid_len > 0)
1017 return;
1018
1019 open_bss = wpa_bss_get_bssid_latest(wpa_s, bssid);
1020 if (!open_bss)
1021 return;
1022 if (ssid_len != open_bss->ssid_len ||
1023 os_memcmp(pos, open_bss->ssid, ssid_len) != 0) {
1024 wpa_dbg(wpa_s, MSG_DEBUG,
1025 "OWE: transition mode SSID mismatch: %s",
1026 wpa_ssid_txt(open_bss->ssid, open_bss->ssid_len));
1027 return;
1028 }
1029
1030 owe = wpa_bss_get_vendor_ie(open_bss, OWE_IE_VENDOR_TYPE);
1031 if (!owe || wpa_bss_get_ie(open_bss, WLAN_EID_RSN)) {
1032 wpa_dbg(wpa_s, MSG_DEBUG,
1033 "OWE: transition mode open BSS unexpected info");
1034 return;
1035 }
1036
1037 pos = owe + 6;
1038 end = owe + 2 + owe[1];
1039
1040 if (end - pos < ETH_ALEN + 1)
1041 return;
1042 if (os_memcmp(pos, bss->bssid, ETH_ALEN) != 0) {
1043 wpa_dbg(wpa_s, MSG_DEBUG,
1044 "OWE: transition mode BSSID mismatch: " MACSTR,
1045 MAC2STR(pos));
1046 return;
1047 }
1048 pos += ETH_ALEN;
1049 ssid_len = *pos++;
1050 if (end - pos < ssid_len || ssid_len > SSID_MAX_LEN)
1051 return;
1052 wpa_dbg(wpa_s, MSG_DEBUG, "OWE: learned transition mode OWE SSID: %s",
1053 wpa_ssid_txt(pos, ssid_len));
1054 os_memcpy(bss->ssid, pos, ssid_len);
1055 bss->ssid_len = ssid_len;
1056 bss->flags |= WPA_BSS_OWE_TRANSITION;
1057 #endif /* CONFIG_OWE */
1058 }
1059
1060
1061 static int disabled_freq(struct wpa_supplicant *wpa_s, int freq)
1062 {
1063 int i, j;
1064
1065 if (!wpa_s->hw.modes || !wpa_s->hw.num_modes)
1066 return 0;
1067
1068 for (j = 0; j < wpa_s->hw.num_modes; j++) {
1069 struct hostapd_hw_modes *mode = &wpa_s->hw.modes[j];
1070
1071 for (i = 0; i < mode->num_channels; i++) {
1072 struct hostapd_channel_data *chan = &mode->channels[i];
1073
1074 if (chan->freq == freq)
1075 return !!(chan->flag & HOSTAPD_CHAN_DISABLED);
1076 }
1077 }
1078
1079 return 1;
1080 }
1081
1082
1083 struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
1084 int i, struct wpa_bss *bss,
1085 struct wpa_ssid *group,
1086 int only_first_ssid, int debug_print)
1087 {
1088 u8 wpa_ie_len, rsn_ie_len;
1089 int wpa;
1090 struct wpa_blacklist *e;
1091 const u8 *ie;
1092 struct wpa_ssid *ssid;
1093 int osen, rsn_osen = 0;
1094 #ifdef CONFIG_MBO
1095 const u8 *assoc_disallow;
1096 #endif /* CONFIG_MBO */
1097 const u8 *match_ssid;
1098 size_t match_ssid_len;
1099 struct wpa_ie_data data;
1100
1101 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
1102 wpa_ie_len = ie ? ie[1] : 0;
1103
1104 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
1105 rsn_ie_len = ie ? ie[1] : 0;
1106 if (ie && wpa_parse_wpa_ie_rsn(ie, 2 + ie[1], &data) == 0 &&
1107 (data.key_mgmt & WPA_KEY_MGMT_OSEN))
1108 rsn_osen = 1;
1109
1110 ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
1111 osen = ie != NULL;
1112
1113 if (debug_print) {
1114 wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR
1115 " ssid='%s' wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d freq=%d %s%s%s",
1116 i, MAC2STR(bss->bssid),
1117 wpa_ssid_txt(bss->ssid, bss->ssid_len),
1118 wpa_ie_len, rsn_ie_len, bss->caps, bss->level,
1119 bss->freq,
1120 wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ?
1121 " wps" : "",
1122 (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
1123 wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE))
1124 ? " p2p" : "",
1125 osen ? " osen=1" : "");
1126 }
1127
1128 e = wpa_blacklist_get(wpa_s, bss->bssid);
1129 if (e) {
1130 int limit = 1;
1131 if (wpa_supplicant_enabled_networks(wpa_s) == 1) {
1132 /*
1133 * When only a single network is enabled, we can
1134 * trigger blacklisting on the first failure. This
1135 * should not be done with multiple enabled networks to
1136 * avoid getting forced to move into a worse ESS on
1137 * single error if there are no other BSSes of the
1138 * current ESS.
1139 */
1140 limit = 0;
1141 }
1142 if (e->count > limit) {
1143 if (debug_print) {
1144 wpa_dbg(wpa_s, MSG_DEBUG,
1145 " skip - blacklisted (count=%d limit=%d)",
1146 e->count, limit);
1147 }
1148 return NULL;
1149 }
1150 }
1151
1152 match_ssid = bss->ssid;
1153 match_ssid_len = bss->ssid_len;
1154 owe_trans_ssid(wpa_s, bss, &match_ssid, &match_ssid_len);
1155
1156 if (match_ssid_len == 0) {
1157 if (debug_print)
1158 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID not known");
1159 return NULL;
1160 }
1161
1162 if (disallowed_bssid(wpa_s, bss->bssid)) {
1163 if (debug_print)
1164 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID disallowed");
1165 return NULL;
1166 }
1167
1168 if (disallowed_ssid(wpa_s, match_ssid, match_ssid_len)) {
1169 if (debug_print)
1170 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID disallowed");
1171 return NULL;
1172 }
1173
1174 if (disabled_freq(wpa_s, bss->freq)) {
1175 if (debug_print)
1176 wpa_dbg(wpa_s, MSG_DEBUG, " skip - channel disabled");
1177 return NULL;
1178 }
1179
1180 wpa = wpa_ie_len > 0 || rsn_ie_len > 0;
1181
1182 for (ssid = group; ssid; ssid = only_first_ssid ? NULL : ssid->pnext) {
1183 int check_ssid = wpa ? 1 : (ssid->ssid_len != 0);
1184 int res;
1185
1186 if (wpas_network_disabled(wpa_s, ssid)) {
1187 if (debug_print)
1188 wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled");
1189 continue;
1190 }
1191
1192 res = wpas_temp_disabled(wpa_s, ssid);
1193 if (res > 0) {
1194 if (debug_print)
1195 wpa_dbg(wpa_s, MSG_DEBUG,
1196 " skip - disabled temporarily for %d second(s)",
1197 res);
1198 continue;
1199 }
1200
1201 #ifdef CONFIG_WPS
1202 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && e && e->count > 0) {
1203 if (debug_print)
1204 wpa_dbg(wpa_s, MSG_DEBUG,
1205 " skip - blacklisted (WPS)");
1206 continue;
1207 }
1208
1209 if (wpa && ssid->ssid_len == 0 &&
1210 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
1211 check_ssid = 0;
1212
1213 if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
1214 /* Only allow wildcard SSID match if an AP
1215 * advertises active WPS operation that matches
1216 * with our mode. */
1217 check_ssid = 1;
1218 if (ssid->ssid_len == 0 &&
1219 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
1220 check_ssid = 0;
1221 }
1222 #endif /* CONFIG_WPS */
1223
1224 if (ssid->bssid_set && ssid->ssid_len == 0 &&
1225 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0)
1226 check_ssid = 0;
1227
1228 if (check_ssid &&
1229 (match_ssid_len != ssid->ssid_len ||
1230 os_memcmp(match_ssid, ssid->ssid, match_ssid_len) != 0)) {
1231 if (debug_print)
1232 wpa_dbg(wpa_s, MSG_DEBUG,
1233 " skip - SSID mismatch");
1234 continue;
1235 }
1236
1237 if (ssid->bssid_set &&
1238 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) {
1239 if (debug_print)
1240 wpa_dbg(wpa_s, MSG_DEBUG,
1241 " skip - BSSID mismatch");
1242 continue;
1243 }
1244
1245 /* check blacklist */
1246 if (ssid->num_bssid_blacklist &&
1247 addr_in_list(bss->bssid, ssid->bssid_blacklist,
1248 ssid->num_bssid_blacklist)) {
1249 if (debug_print)
1250 wpa_dbg(wpa_s, MSG_DEBUG,
1251 " skip - BSSID blacklisted");
1252 continue;
1253 }
1254
1255 /* if there is a whitelist, only accept those APs */
1256 if (ssid->num_bssid_whitelist &&
1257 !addr_in_list(bss->bssid, ssid->bssid_whitelist,
1258 ssid->num_bssid_whitelist)) {
1259 if (debug_print)
1260 wpa_dbg(wpa_s, MSG_DEBUG,
1261 " skip - BSSID not in whitelist");
1262 continue;
1263 }
1264
1265 if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss,
1266 debug_print))
1267 continue;
1268
1269 if (!osen && !wpa &&
1270 !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
1271 !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
1272 !(ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
1273 !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) {
1274 if (debug_print)
1275 wpa_dbg(wpa_s, MSG_DEBUG,
1276 " skip - non-WPA network not allowed");
1277 continue;
1278 }
1279
1280 #ifdef CONFIG_WEP
1281 if (wpa && !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
1282 has_wep_key(ssid)) {
1283 if (debug_print)
1284 wpa_dbg(wpa_s, MSG_DEBUG,
1285 " skip - ignore WPA/WPA2 AP for WEP network block");
1286 continue;
1287 }
1288 #endif /* CONFIG_WEP */
1289
1290 if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) && !osen &&
1291 !rsn_osen) {
1292 if (debug_print)
1293 wpa_dbg(wpa_s, MSG_DEBUG,
1294 " skip - non-OSEN network not allowed");
1295 continue;
1296 }
1297
1298 if (!wpa_supplicant_match_privacy(bss, ssid)) {
1299 if (debug_print)
1300 wpa_dbg(wpa_s, MSG_DEBUG,
1301 " skip - privacy mismatch");
1302 continue;
1303 }
1304
1305 if (ssid->mode != WPAS_MODE_MESH && !bss_is_ess(bss) &&
1306 !bss_is_pbss(bss)) {
1307 if (debug_print)
1308 wpa_dbg(wpa_s, MSG_DEBUG,
1309 " skip - not ESS, PBSS, or MBSS");
1310 continue;
1311 }
1312
1313 if (ssid->pbss != 2 && ssid->pbss != bss_is_pbss(bss)) {
1314 if (debug_print)
1315 wpa_dbg(wpa_s, MSG_DEBUG,
1316 " skip - PBSS mismatch (ssid %d bss %d)",
1317 ssid->pbss, bss_is_pbss(bss));
1318 continue;
1319 }
1320
1321 if (!freq_allowed(ssid->freq_list, bss->freq)) {
1322 if (debug_print)
1323 wpa_dbg(wpa_s, MSG_DEBUG,
1324 " skip - frequency not allowed");
1325 continue;
1326 }
1327
1328 #ifdef CONFIG_MESH
1329 if (ssid->mode == WPAS_MODE_MESH && ssid->frequency > 0 &&
1330 ssid->frequency != bss->freq) {
1331 if (debug_print)
1332 wpa_dbg(wpa_s, MSG_DEBUG,
1333 " skip - frequency not allowed (mesh)");
1334 continue;
1335 }
1336 #endif /* CONFIG_MESH */
1337
1338 if (!rate_match(wpa_s, ssid, bss, debug_print)) {
1339 if (debug_print)
1340 wpa_dbg(wpa_s, MSG_DEBUG,
1341 " skip - rate sets do not match");
1342 continue;
1343 }
1344
1345 #ifdef CONFIG_SAE
1346 if ((wpa_s->conf->sae_pwe == 1 || ssid->sae_password_id) &&
1347 wpa_s->conf->sae_pwe != 3 &&
1348 wpa_key_mgmt_sae(ssid->key_mgmt) &&
1349 (!(ie = wpa_bss_get_ie(bss, WLAN_EID_RSNX)) ||
1350 ie[1] < 1 ||
1351 !(ie[2] & BIT(WLAN_RSNX_CAPAB_SAE_H2E)))) {
1352 if (debug_print)
1353 wpa_dbg(wpa_s, MSG_DEBUG,
1354 " skip - SAE H2E required, but not supported by the AP");
1355 continue;
1356 }
1357 #endif /* CONFIG_SAE */
1358
1359 #ifndef CONFIG_IBSS_RSN
1360 if (ssid->mode == WPAS_MODE_IBSS &&
1361 !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE |
1362 WPA_KEY_MGMT_WPA_NONE))) {
1363 if (debug_print)
1364 wpa_dbg(wpa_s, MSG_DEBUG,
1365 " skip - IBSS RSN not supported in the build");
1366 continue;
1367 }
1368 #endif /* !CONFIG_IBSS_RSN */
1369
1370 #ifdef CONFIG_P2P
1371 if (ssid->p2p_group &&
1372 !wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) &&
1373 !wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
1374 if (debug_print)
1375 wpa_dbg(wpa_s, MSG_DEBUG,
1376 " skip - no P2P IE seen");
1377 continue;
1378 }
1379
1380 if (!is_zero_ether_addr(ssid->go_p2p_dev_addr)) {
1381 struct wpabuf *p2p_ie;
1382 u8 dev_addr[ETH_ALEN];
1383
1384 ie = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1385 if (ie == NULL) {
1386 if (debug_print)
1387 wpa_dbg(wpa_s, MSG_DEBUG,
1388 " skip - no P2P element");
1389 continue;
1390 }
1391 p2p_ie = wpa_bss_get_vendor_ie_multi(
1392 bss, P2P_IE_VENDOR_TYPE);
1393 if (p2p_ie == NULL) {
1394 if (debug_print)
1395 wpa_dbg(wpa_s, MSG_DEBUG,
1396 " skip - could not fetch P2P element");
1397 continue;
1398 }
1399
1400 if (p2p_parse_dev_addr_in_p2p_ie(p2p_ie, dev_addr) < 0
1401 || os_memcmp(dev_addr, ssid->go_p2p_dev_addr,
1402 ETH_ALEN) != 0) {
1403 if (debug_print)
1404 wpa_dbg(wpa_s, MSG_DEBUG,
1405 " skip - no matching GO P2P Device Address in P2P element");
1406 wpabuf_free(p2p_ie);
1407 continue;
1408 }
1409 wpabuf_free(p2p_ie);
1410 }
1411
1412 /*
1413 * TODO: skip the AP if its P2P IE has Group Formation
1414 * bit set in the P2P Group Capability Bitmap and we
1415 * are not in Group Formation with that device.
1416 */
1417 #endif /* CONFIG_P2P */
1418
1419 if (os_reltime_before(&bss->last_update, &wpa_s->scan_min_time))
1420 {
1421 struct os_reltime diff;
1422
1423 os_reltime_sub(&wpa_s->scan_min_time,
1424 &bss->last_update, &diff);
1425 if (debug_print)
1426 wpa_dbg(wpa_s, MSG_DEBUG,
1427 " skip - scan result not recent enough (%u.%06u seconds too old)",
1428 (unsigned int) diff.sec,
1429 (unsigned int) diff.usec);
1430 continue;
1431 }
1432 #ifdef CONFIG_MBO
1433 #ifdef CONFIG_TESTING_OPTIONS
1434 if (wpa_s->ignore_assoc_disallow)
1435 goto skip_assoc_disallow;
1436 #endif /* CONFIG_TESTING_OPTIONS */
1437 assoc_disallow = wpas_mbo_get_bss_attr(
1438 bss, MBO_ATTR_ID_ASSOC_DISALLOW);
1439 if (assoc_disallow && assoc_disallow[1] >= 1) {
1440 if (debug_print)
1441 wpa_dbg(wpa_s, MSG_DEBUG,
1442 " skip - MBO association disallowed (reason %u)",
1443 assoc_disallow[2]);
1444 continue;
1445 }
1446
1447 if (wpa_is_bss_tmp_disallowed(wpa_s, bss)) {
1448 if (debug_print)
1449 wpa_dbg(wpa_s, MSG_DEBUG,
1450 " skip - AP temporarily disallowed");
1451 continue;
1452 }
1453 #ifdef CONFIG_TESTING_OPTIONS
1454 skip_assoc_disallow:
1455 #endif /* CONFIG_TESTING_OPTIONS */
1456 #endif /* CONFIG_MBO */
1457
1458 #ifdef CONFIG_DPP
1459 if ((ssid->key_mgmt & WPA_KEY_MGMT_DPP) &&
1460 !wpa_sm_pmksa_exists(wpa_s->wpa, bss->bssid, ssid) &&
1461 (!ssid->dpp_connector ||
1462 !ssid->dpp_netaccesskey ||
1463 !ssid->dpp_csign)) {
1464 if (debug_print)
1465 wpa_dbg(wpa_s, MSG_DEBUG,
1466 " skip - no PMKSA entry for DPP");
1467 continue;
1468 }
1469 #endif /* CONFIG_DPP */
1470
1471 /* Matching configuration found */
1472 return ssid;
1473 }
1474
1475 /* No matching configuration found */
1476 return NULL;
1477 }
1478
1479
1480 static struct wpa_bss *
1481 wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s,
1482 struct wpa_ssid *group,
1483 struct wpa_ssid **selected_ssid,
1484 int only_first_ssid)
1485 {
1486 unsigned int i;
1487
1488 if (wpa_s->current_ssid) {
1489 struct wpa_ssid *ssid;
1490
1491 wpa_dbg(wpa_s, MSG_DEBUG,
1492 "Scan results matching the currently selected network");
1493 for (i = 0; i < wpa_s->last_scan_res_used; i++) {
1494 struct wpa_bss *bss = wpa_s->last_scan_res[i];
1495
1496 ssid = wpa_scan_res_match(wpa_s, i, bss, group,
1497 only_first_ssid, 0);
1498 if (ssid != wpa_s->current_ssid)
1499 continue;
1500 wpa_dbg(wpa_s, MSG_DEBUG, "%u: " MACSTR
1501 " freq=%d level=%d snr=%d est_throughput=%u",
1502 i, MAC2STR(bss->bssid), bss->freq, bss->level,
1503 bss->snr, bss->est_throughput);
1504 }
1505 }
1506
1507 if (only_first_ssid)
1508 wpa_dbg(wpa_s, MSG_DEBUG, "Try to find BSS matching pre-selected network id=%d",
1509 group->id);
1510 else
1511 wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d",
1512 group->priority);
1513
1514 for (i = 0; i < wpa_s->last_scan_res_used; i++) {
1515 struct wpa_bss *bss = wpa_s->last_scan_res[i];
1516
1517 wpa_s->owe_transition_select = 1;
1518 *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group,
1519 only_first_ssid, 1);
1520 wpa_s->owe_transition_select = 0;
1521 if (!*selected_ssid)
1522 continue;
1523 wpa_dbg(wpa_s, MSG_DEBUG, " selected %sBSS " MACSTR
1524 " ssid='%s'",
1525 bss == wpa_s->current_bss ? "current ": "",
1526 MAC2STR(bss->bssid),
1527 wpa_ssid_txt(bss->ssid, bss->ssid_len));
1528 return bss;
1529 }
1530
1531 return NULL;
1532 }
1533
1534
1535 struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
1536 struct wpa_ssid **selected_ssid)
1537 {
1538 struct wpa_bss *selected = NULL;
1539 int prio;
1540 struct wpa_ssid *next_ssid = NULL;
1541 struct wpa_ssid *ssid;
1542
1543 if (wpa_s->last_scan_res == NULL ||
1544 wpa_s->last_scan_res_used == 0)
1545 return NULL; /* no scan results from last update */
1546
1547 if (wpa_s->next_ssid) {
1548 /* check that next_ssid is still valid */
1549 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1550 if (ssid == wpa_s->next_ssid)
1551 break;
1552 }
1553 next_ssid = ssid;
1554 wpa_s->next_ssid = NULL;
1555 }
1556
1557 while (selected == NULL) {
1558 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1559 if (next_ssid && next_ssid->priority ==
1560 wpa_s->conf->pssid[prio]->priority) {
1561 selected = wpa_supplicant_select_bss(
1562 wpa_s, next_ssid, selected_ssid, 1);
1563 if (selected)
1564 break;
1565 }
1566 selected = wpa_supplicant_select_bss(
1567 wpa_s, wpa_s->conf->pssid[prio],
1568 selected_ssid, 0);
1569 if (selected)
1570 break;
1571 }
1572
1573 if (selected == NULL && wpa_s->blacklist &&
1574 !wpa_s->countermeasures) {
1575 wpa_dbg(wpa_s, MSG_DEBUG, "No APs found - clear "
1576 "blacklist and try again");
1577 wpa_blacklist_clear(wpa_s);
1578 wpa_s->blacklist_cleared++;
1579 } else if (selected == NULL)
1580 break;
1581 }
1582
1583 ssid = *selected_ssid;
1584 if (selected && ssid && ssid->mem_only_psk && !ssid->psk_set &&
1585 !ssid->passphrase && !ssid->ext_psk) {
1586 const char *field_name, *txt = NULL;
1587
1588 wpa_dbg(wpa_s, MSG_DEBUG,
1589 "PSK/passphrase not yet available for the selected network");
1590
1591 wpas_notify_network_request(wpa_s, ssid,
1592 WPA_CTRL_REQ_PSK_PASSPHRASE, NULL);
1593
1594 field_name = wpa_supplicant_ctrl_req_to_string(
1595 WPA_CTRL_REQ_PSK_PASSPHRASE, NULL, &txt);
1596 if (field_name == NULL)
1597 return NULL;
1598
1599 wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
1600
1601 selected = NULL;
1602 }
1603
1604 return selected;
1605 }
1606
1607
1608 static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s,
1609 int timeout_sec, int timeout_usec)
1610 {
1611 if (!wpa_supplicant_enabled_networks(wpa_s)) {
1612 /*
1613 * No networks are enabled; short-circuit request so
1614 * we don't wait timeout seconds before transitioning
1615 * to INACTIVE state.
1616 */
1617 wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request "
1618 "since there are no enabled networks");
1619 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
1620 return;
1621 }
1622
1623 wpa_s->scan_for_connection = 1;
1624 wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec);
1625 }
1626
1627
1628 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
1629 struct wpa_bss *selected,
1630 struct wpa_ssid *ssid)
1631 {
1632 if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
1633 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
1634 "PBC session overlap");
1635 wpas_notify_wps_event_pbc_overlap(wpa_s);
1636 #ifdef CONFIG_P2P
1637 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT ||
1638 wpa_s->p2p_in_provisioning) {
1639 eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb,
1640 wpa_s, NULL);
1641 return -1;
1642 }
1643 #endif /* CONFIG_P2P */
1644
1645 #ifdef CONFIG_WPS
1646 wpas_wps_pbc_overlap(wpa_s);
1647 wpas_wps_cancel(wpa_s);
1648 #endif /* CONFIG_WPS */
1649 return -1;
1650 }
1651
1652 wpa_msg(wpa_s, MSG_DEBUG,
1653 "Considering connect request: reassociate: %d selected: "
1654 MACSTR " bssid: " MACSTR " pending: " MACSTR
1655 " wpa_state: %s ssid=%p current_ssid=%p",
1656 wpa_s->reassociate, MAC2STR(selected->bssid),
1657 MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid),
1658 wpa_supplicant_state_txt(wpa_s->wpa_state),
1659 ssid, wpa_s->current_ssid);
1660
1661 /*
1662 * Do not trigger new association unless the BSSID has changed or if
1663 * reassociation is requested. If we are in process of associating with
1664 * the selected BSSID, do not trigger new attempt.
1665 */
1666 if (wpa_s->reassociate ||
1667 (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
1668 ((wpa_s->wpa_state != WPA_ASSOCIATING &&
1669 wpa_s->wpa_state != WPA_AUTHENTICATING) ||
1670 (!is_zero_ether_addr(wpa_s->pending_bssid) &&
1671 os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) !=
1672 0) ||
1673 (is_zero_ether_addr(wpa_s->pending_bssid) &&
1674 ssid != wpa_s->current_ssid)))) {
1675 if (wpa_supplicant_scard_init(wpa_s, ssid)) {
1676 wpa_supplicant_req_new_scan(wpa_s, 10, 0);
1677 return 0;
1678 }
1679 wpa_msg(wpa_s, MSG_DEBUG, "Request association with " MACSTR,
1680 MAC2STR(selected->bssid));
1681 wpa_supplicant_associate(wpa_s, selected, ssid);
1682 } else {
1683 wpa_dbg(wpa_s, MSG_DEBUG, "Already associated or trying to "
1684 "connect with the selected AP");
1685 }
1686
1687 return 0;
1688 }
1689
1690
1691 static struct wpa_ssid *
1692 wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
1693 {
1694 int prio;
1695 struct wpa_ssid *ssid;
1696
1697 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1698 for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext)
1699 {
1700 if (wpas_network_disabled(wpa_s, ssid))
1701 continue;
1702 #ifndef CONFIG_IBSS_RSN
1703 if (ssid->mode == WPAS_MODE_IBSS &&
1704 !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE |
1705 WPA_KEY_MGMT_WPA_NONE))) {
1706 wpa_msg(wpa_s, MSG_INFO,
1707 "IBSS RSN not supported in the build - cannot use the profile for SSID '%s'",
1708 wpa_ssid_txt(ssid->ssid,
1709 ssid->ssid_len));
1710 continue;
1711 }
1712 #endif /* !CONFIG_IBSS_RSN */
1713 if (ssid->mode == WPAS_MODE_IBSS ||
1714 ssid->mode == WPAS_MODE_AP ||
1715 ssid->mode == WPAS_MODE_MESH)
1716 return ssid;
1717 }
1718 }
1719 return NULL;
1720 }
1721
1722
1723 /* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
1724 * on BSS added and BSS changed events */
1725 static void wpa_supplicant_rsn_preauth_scan_results(
1726 struct wpa_supplicant *wpa_s)
1727 {
1728 struct wpa_bss *bss;
1729
1730 if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
1731 return;
1732
1733 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1734 const u8 *ssid, *rsn;
1735
1736 ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID);
1737 if (ssid == NULL)
1738 continue;
1739
1740 rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
1741 if (rsn == NULL)
1742 continue;
1743
1744 rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn);
1745 }
1746
1747 }
1748
1749
1750 #ifndef CONFIG_NO_ROAMING
1751
1752 static int wpas_get_snr_signal_info(u32 frequency, int avg_signal, int noise)
1753 {
1754 if (noise == WPA_INVALID_NOISE)
1755 noise = IS_5GHZ(frequency) ? DEFAULT_NOISE_FLOOR_5GHZ :
1756 DEFAULT_NOISE_FLOOR_2GHZ;
1757 return avg_signal - noise;
1758 }
1759
1760
1761 static unsigned int
1762 wpas_get_est_throughput_from_bss_snr(const struct wpa_supplicant *wpa_s,
1763 const struct wpa_bss *bss, int snr)
1764 {
1765 int rate = wpa_bss_get_max_rate(bss);
1766 const u8 *ies = (const void *) (bss + 1);
1767 size_t ie_len = bss->ie_len ? bss->ie_len : bss->beacon_ie_len;
1768
1769 return wpas_get_est_tpt(wpa_s, ies, ie_len, rate, snr);
1770 }
1771
1772 #endif /* CONFIG_NO_ROAMING */
1773
1774
1775 static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
1776 struct wpa_bss *selected,
1777 struct wpa_ssid *ssid)
1778 {
1779 struct wpa_bss *current_bss = NULL;
1780 #ifndef CONFIG_NO_ROAMING
1781 int min_diff, diff;
1782 int to_5ghz;
1783 int cur_level;
1784 unsigned int cur_est, sel_est;
1785 struct wpa_signal_info si;
1786 int cur_snr = 0;
1787 #endif /* CONFIG_NO_ROAMING */
1788
1789 if (wpa_s->reassociate)
1790 return 1; /* explicit request to reassociate */
1791 if (wpa_s->wpa_state < WPA_ASSOCIATED)
1792 return 1; /* we are not associated; continue */
1793 if (wpa_s->current_ssid == NULL)
1794 return 1; /* unknown current SSID */
1795 if (wpa_s->current_ssid != ssid)
1796 return 1; /* different network block */
1797
1798 if (wpas_driver_bss_selection(wpa_s))
1799 return 0; /* Driver-based roaming */
1800
1801 if (wpa_s->current_ssid->ssid)
1802 current_bss = wpa_bss_get(wpa_s, wpa_s->bssid,
1803 wpa_s->current_ssid->ssid,
1804 wpa_s->current_ssid->ssid_len);
1805 if (!current_bss)
1806 current_bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
1807
1808 if (!current_bss)
1809 return 1; /* current BSS not seen in scan results */
1810
1811 if (current_bss == selected)
1812 return 0;
1813
1814 if (selected->last_update_idx > current_bss->last_update_idx)
1815 return 1; /* current BSS not seen in the last scan */
1816
1817 #ifndef CONFIG_NO_ROAMING
1818 wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation");
1819 wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR
1820 " freq=%d level=%d snr=%d est_throughput=%u",
1821 MAC2STR(current_bss->bssid),
1822 current_bss->freq, current_bss->level,
1823 current_bss->snr, current_bss->est_throughput);
1824 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR
1825 " freq=%d level=%d snr=%d est_throughput=%u",
1826 MAC2STR(selected->bssid), selected->freq, selected->level,
1827 selected->snr, selected->est_throughput);
1828
1829 if (wpa_s->current_ssid->bssid_set &&
1830 os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) ==
1831 0) {
1832 wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS "
1833 "has preferred BSSID");
1834 return 1;
1835 }
1836
1837 cur_level = current_bss->level;
1838 cur_est = current_bss->est_throughput;
1839 sel_est = selected->est_throughput;
1840
1841 /*
1842 * Try to poll the signal from the driver since this will allow to get
1843 * more accurate values. In some cases, there can be big differences
1844 * between the RSSI of the Probe Response frames of the AP we are
1845 * associated with and the Beacon frames we hear from the same AP after
1846 * association. This can happen, e.g., when there are two antennas that
1847 * hear the AP very differently. If the driver chooses to hear the
1848 * Probe Response frames during the scan on the "bad" antenna because
1849 * it wants to save power, but knows to choose the other antenna after
1850 * association, we will hear our AP with a low RSSI as part of the
1851 * scan even when we can hear it decently on the other antenna. To cope
1852 * with this, ask the driver to teach us how it hears the AP. Also, the
1853 * scan results may be a bit old, since we can very quickly get fresh
1854 * information about our currently associated AP.
1855 */
1856 if (wpa_drv_signal_poll(wpa_s, &si) == 0 &&
1857 (si.avg_beacon_signal || si.avg_signal)) {
1858 cur_level = si.avg_beacon_signal ? si.avg_beacon_signal :
1859 si.avg_signal;
1860 cur_snr = wpas_get_snr_signal_info(si.frequency, cur_level,
1861 si.current_noise);
1862
1863 cur_est = wpas_get_est_throughput_from_bss_snr(wpa_s,
1864 current_bss,
1865 cur_snr);
1866 wpa_dbg(wpa_s, MSG_DEBUG,
1867 "Using signal poll values for the current BSS: level=%d snr=%d est_throughput=%u",
1868 cur_level, cur_snr, cur_est);
1869 }
1870
1871 if (sel_est > cur_est + 5000) {
1872 wpa_dbg(wpa_s, MSG_DEBUG,
1873 "Allow reassociation - selected BSS has better estimated throughput");
1874 return 1;
1875 }
1876
1877 to_5ghz = selected->freq > 4000 && current_bss->freq < 4000;
1878
1879 if (cur_level < 0 && cur_level > selected->level + to_5ghz * 2 &&
1880 sel_est < cur_est * 1.2) {
1881 wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better "
1882 "signal level");
1883 return 0;
1884 }
1885
1886 if (cur_est > sel_est + 5000) {
1887 wpa_dbg(wpa_s, MSG_DEBUG,
1888 "Skip roam - Current BSS has better estimated throughput");
1889 return 0;
1890 }
1891
1892 if (cur_snr > GREAT_SNR) {
1893 wpa_dbg(wpa_s, MSG_DEBUG,
1894 "Skip roam - Current BSS has good SNR (%u > %u)",
1895 cur_snr, GREAT_SNR);
1896 return 0;
1897 }
1898
1899 if (cur_level < -85) /* ..-86 dBm */
1900 min_diff = 1;
1901 else if (cur_level < -80) /* -85..-81 dBm */
1902 min_diff = 2;
1903 else if (cur_level < -75) /* -80..-76 dBm */
1904 min_diff = 3;
1905 else if (cur_level < -70) /* -75..-71 dBm */
1906 min_diff = 4;
1907 else if (cur_level < 0) /* -70..-1 dBm */
1908 min_diff = 5;
1909 else /* unspecified units (not in dBm) */
1910 min_diff = 2;
1911
1912 if (cur_est > sel_est * 1.5)
1913 min_diff += 10;
1914 else if (cur_est > sel_est * 1.2)
1915 min_diff += 5;
1916 else if (cur_est > sel_est * 1.1)
1917 min_diff += 2;
1918 else if (cur_est > sel_est)
1919 min_diff++;
1920 else if (sel_est > cur_est * 1.5)
1921 min_diff -= 10;
1922 else if (sel_est > cur_est * 1.2)
1923 min_diff -= 5;
1924 else if (sel_est > cur_est * 1.1)
1925 min_diff -= 2;
1926 else if (sel_est > cur_est)
1927 min_diff--;
1928
1929 if (to_5ghz)
1930 min_diff -= 2;
1931 diff = selected->level - cur_level;
1932 if (diff < min_diff) {
1933 wpa_dbg(wpa_s, MSG_DEBUG,
1934 "Skip roam - too small difference in signal level (%d < %d)",
1935 diff, min_diff);
1936 return 0;
1937 }
1938
1939 wpa_dbg(wpa_s, MSG_DEBUG,
1940 "Allow reassociation due to difference in signal level (%d >= %d)",
1941 diff, min_diff);
1942 return 1;
1943 #else /* CONFIG_NO_ROAMING */
1944 return 0;
1945 #endif /* CONFIG_NO_ROAMING */
1946 }
1947
1948
1949 /*
1950 * Return a negative value if no scan results could be fetched or if scan
1951 * results should not be shared with other virtual interfaces.
1952 * Return 0 if scan results were fetched and may be shared with other
1953 * interfaces.
1954 * Return 1 if scan results may be shared with other virtual interfaces but may
1955 * not trigger any operations.
1956 * Return 2 if the interface was removed and cannot be used.
1957 */
1958 static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
1959 union wpa_event_data *data,
1960 int own_request, int update_only)
1961 {
1962 struct wpa_scan_results *scan_res = NULL;
1963 int ret = 0;
1964 int ap = 0;
1965 #ifndef CONFIG_NO_RANDOM_POOL
1966 size_t i, num;
1967 #endif /* CONFIG_NO_RANDOM_POOL */
1968
1969 #ifdef CONFIG_AP
1970 if (wpa_s->ap_iface)
1971 ap = 1;
1972 #endif /* CONFIG_AP */
1973
1974 wpa_supplicant_notify_scanning(wpa_s, 0);
1975
1976 scan_res = wpa_supplicant_get_scan_results(wpa_s,
1977 data ? &data->scan_info :
1978 NULL, 1);
1979 if (scan_res == NULL) {
1980 if (wpa_s->conf->ap_scan == 2 || ap ||
1981 wpa_s->scan_res_handler == scan_only_handler)
1982 return -1;
1983 if (!own_request)
1984 return -1;
1985 if (data && data->scan_info.external_scan)
1986 return -1;
1987 wpa_dbg(wpa_s, MSG_DEBUG, "Failed to get scan results - try "
1988 "scanning again");
1989 wpa_supplicant_req_new_scan(wpa_s, 1, 0);
1990 ret = -1;
1991 goto scan_work_done;
1992 }
1993
1994 #ifndef CONFIG_NO_RANDOM_POOL
1995 num = scan_res->num;
1996 if (num > 10)
1997 num = 10;
1998 for (i = 0; i < num; i++) {
1999 u8 buf[5];
2000 struct wpa_scan_res *res = scan_res->res[i];
2001 buf[0] = res->bssid[5];
2002 buf[1] = res->qual & 0xff;
2003 buf[2] = res->noise & 0xff;
2004 buf[3] = res->level & 0xff;
2005 buf[4] = res->tsf & 0xff;
2006 random_add_randomness(buf, sizeof(buf));
2007 }
2008 #endif /* CONFIG_NO_RANDOM_POOL */
2009
2010 if (update_only) {
2011 ret = 1;
2012 goto scan_work_done;
2013 }
2014
2015 if (own_request && wpa_s->scan_res_handler &&
2016 !(data && data->scan_info.external_scan)) {
2017 void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
2018 struct wpa_scan_results *scan_res);
2019
2020 scan_res_handler = wpa_s->scan_res_handler;
2021 wpa_s->scan_res_handler = NULL;
2022 scan_res_handler(wpa_s, scan_res);
2023 ret = 1;
2024 goto scan_work_done;
2025 }
2026
2027 if (ap) {
2028 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode");
2029 #ifdef CONFIG_AP
2030 if (wpa_s->ap_iface->scan_cb)
2031 wpa_s->ap_iface->scan_cb(wpa_s->ap_iface);
2032 #endif /* CONFIG_AP */
2033 goto scan_work_done;
2034 }
2035
2036 wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available (own=%u ext=%u)",
2037 wpa_s->own_scan_running,
2038 data ? data->scan_info.external_scan : 0);
2039 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
2040 wpa_s->manual_scan_use_id && wpa_s->own_scan_running &&
2041 own_request && !(data && data->scan_info.external_scan)) {
2042 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS "id=%u",
2043 wpa_s->manual_scan_id);
2044 wpa_s->manual_scan_use_id = 0;
2045 } else {
2046 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
2047 }
2048 wpas_notify_scan_results(wpa_s);
2049
2050 wpas_notify_scan_done(wpa_s, 1);
2051
2052 if (data && data->scan_info.external_scan) {
2053 wpa_dbg(wpa_s, MSG_DEBUG, "Do not use results from externally requested scan operation for network selection");
2054 wpa_scan_results_free(scan_res);
2055 return 0;
2056 }
2057
2058 if (wnm_scan_process(wpa_s, 1) > 0)
2059 goto scan_work_done;
2060
2061 if (sme_proc_obss_scan(wpa_s, scan_res) > 0)
2062 goto scan_work_done;
2063
2064 if (own_request && data &&
2065 wpas_beacon_rep_scan_process(wpa_s, scan_res, &data->scan_info) > 0)
2066 goto scan_work_done;
2067
2068 if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s)))
2069 goto scan_work_done;
2070
2071 if (autoscan_notify_scan(wpa_s, scan_res))
2072 goto scan_work_done;
2073
2074 if (wpa_s->disconnected) {
2075 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
2076 goto scan_work_done;
2077 }
2078
2079 if (!wpas_driver_bss_selection(wpa_s) &&
2080 bgscan_notify_scan(wpa_s, scan_res) == 1)
2081 goto scan_work_done;
2082
2083 wpas_wps_update_ap_info(wpa_s, scan_res);
2084
2085 if (wpa_s->wpa_state >= WPA_AUTHENTICATING &&
2086 wpa_s->wpa_state < WPA_COMPLETED)
2087 goto scan_work_done;
2088
2089 wpa_scan_results_free(scan_res);
2090
2091 if (own_request && wpa_s->scan_work) {
2092 struct wpa_radio_work *work = wpa_s->scan_work;
2093 wpa_s->scan_work = NULL;
2094 radio_work_done(work);
2095 }
2096
2097 os_free(wpa_s->last_scan_freqs);
2098 wpa_s->last_scan_freqs = NULL;
2099 wpa_s->num_last_scan_freqs = 0;
2100 if (own_request && data &&
2101 data->scan_info.freqs && data->scan_info.num_freqs) {
2102 wpa_s->last_scan_freqs = os_malloc(sizeof(int) *
2103 data->scan_info.num_freqs);
2104 if (wpa_s->last_scan_freqs) {
2105 os_memcpy(wpa_s->last_scan_freqs,
2106 data->scan_info.freqs,
2107 sizeof(int) * data->scan_info.num_freqs);
2108 wpa_s->num_last_scan_freqs = data->scan_info.num_freqs;
2109 }
2110 }
2111
2112 return wpas_select_network_from_last_scan(wpa_s, 1, own_request);
2113
2114 scan_work_done:
2115 wpa_scan_results_free(scan_res);
2116 if (own_request && wpa_s->scan_work) {
2117 struct wpa_radio_work *work = wpa_s->scan_work;
2118 wpa_s->scan_work = NULL;
2119 radio_work_done(work);
2120 }
2121 return ret;
2122 }
2123
2124
2125 static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
2126 int new_scan, int own_request)
2127 {
2128 struct wpa_bss *selected;
2129 struct wpa_ssid *ssid = NULL;
2130 int time_to_reenable = wpas_reenabled_network_time(wpa_s);
2131
2132 if (time_to_reenable > 0) {
2133 wpa_dbg(wpa_s, MSG_DEBUG,
2134 "Postpone network selection by %d seconds since all networks are disabled",
2135 time_to_reenable);
2136 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
2137 eloop_register_timeout(time_to_reenable, 0,
2138 wpas_network_reenabled, wpa_s, NULL);
2139 return 0;
2140 }
2141
2142 if (wpa_s->p2p_mgmt)
2143 return 0; /* no normal connection on p2p_mgmt interface */
2144
2145 wpa_s->owe_transition_search = 0;
2146 selected = wpa_supplicant_pick_network(wpa_s, &ssid);
2147
2148 #ifdef CONFIG_MESH
2149 if (wpa_s->ifmsh) {
2150 wpa_msg(wpa_s, MSG_INFO,
2151 "Avoiding join because we already joined a mesh group");
2152 return 0;
2153 }
2154 #endif /* CONFIG_MESH */
2155
2156 if (selected) {
2157 int skip;
2158 skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid);
2159 if (skip) {
2160 if (new_scan)
2161 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
2162 return 0;
2163 }
2164
2165 wpa_s->suitable_network++;
2166
2167 if (ssid != wpa_s->current_ssid &&
2168 wpa_s->wpa_state >= WPA_AUTHENTICATING) {
2169 wpa_s->own_disconnect_req = 1;
2170 wpa_supplicant_deauthenticate(
2171 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2172 }
2173
2174 if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) {
2175 wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed");
2176 return -1;
2177 }
2178 if (new_scan)
2179 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
2180 /*
2181 * Do not allow other virtual radios to trigger operations based
2182 * on these scan results since we do not want them to start
2183 * other associations at the same time.
2184 */
2185 return 1;
2186 } else {
2187 wpa_s->no_suitable_network++;
2188 wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found");
2189 ssid = wpa_supplicant_pick_new_network(wpa_s);
2190 if (ssid) {
2191 wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network");
2192 wpa_supplicant_associate(wpa_s, NULL, ssid);
2193 if (new_scan)
2194 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
2195 } else if (own_request) {
2196 /*
2197 * No SSID found. If SCAN results are as a result of
2198 * own scan request and not due to a scan request on
2199 * another shared interface, try another scan.
2200 */
2201 int timeout_sec = wpa_s->scan_interval;
2202 int timeout_usec = 0;
2203 #ifdef CONFIG_P2P
2204 int res;
2205
2206 res = wpas_p2p_scan_no_go_seen(wpa_s);
2207 if (res == 2)
2208 return 2;
2209 if (res == 1)
2210 return 0;
2211
2212 if (wpa_s->p2p_in_provisioning ||
2213 wpa_s->show_group_started ||
2214 wpa_s->p2p_in_invitation) {
2215 /*
2216 * Use shorter wait during P2P Provisioning
2217 * state and during P2P join-a-group operation
2218 * to speed up group formation.
2219 */
2220 timeout_sec = 0;
2221 timeout_usec = 250000;
2222 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2223 timeout_usec);
2224 return 0;
2225 }
2226 #endif /* CONFIG_P2P */
2227 #ifdef CONFIG_INTERWORKING
2228 if (wpa_s->conf->auto_interworking &&
2229 wpa_s->conf->interworking &&
2230 wpa_s->conf->cred) {
2231 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: "
2232 "start ANQP fetch since no matching "
2233 "networks found");
2234 wpa_s->network_select = 1;
2235 wpa_s->auto_network_select = 1;
2236 interworking_start_fetch_anqp(wpa_s);
2237 return 1;
2238 }
2239 #endif /* CONFIG_INTERWORKING */
2240 #ifdef CONFIG_WPS
2241 if (wpa_s->after_wps > 0 || wpas_wps_searching(wpa_s)) {
2242 wpa_dbg(wpa_s, MSG_DEBUG, "Use shorter wait during WPS processing");
2243 timeout_sec = 0;
2244 timeout_usec = 500000;
2245 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2246 timeout_usec);
2247 return 0;
2248 }
2249 #endif /* CONFIG_WPS */
2250 #ifdef CONFIG_OWE
2251 if (wpa_s->owe_transition_search) {
2252 wpa_dbg(wpa_s, MSG_DEBUG,
2253 "OWE: Use shorter wait during transition mode search");
2254 timeout_sec = 0;
2255 timeout_usec = 500000;
2256 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2257 timeout_usec);
2258 return 0;
2259 }
2260 #endif /* CONFIG_OWE */
2261 if (wpa_supplicant_req_sched_scan(wpa_s))
2262 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2263 timeout_usec);
2264
2265 wpa_msg_ctrl(wpa_s, MSG_INFO,
2266 WPA_EVENT_NETWORK_NOT_FOUND);
2267 }
2268 }
2269 return 0;
2270 }
2271
2272
2273 static int wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
2274 union wpa_event_data *data)
2275 {
2276 struct wpa_supplicant *ifs;
2277 int res;
2278
2279 res = _wpa_supplicant_event_scan_results(wpa_s, data, 1, 0);
2280 if (res == 2) {
2281 /*
2282 * Interface may have been removed, so must not dereference
2283 * wpa_s after this.
2284 */
2285 return 1;
2286 }
2287
2288 if (res < 0) {
2289 /*
2290 * If no scan results could be fetched, then no need to
2291 * notify those interfaces that did not actually request
2292 * this scan. Similarly, if scan results started a new operation on this
2293 * interface, do not notify other interfaces to avoid concurrent
2294 * operations during a connection attempt.
2295 */
2296 return 0;
2297 }
2298
2299 /*
2300 * Check other interfaces to see if they share the same radio. If
2301 * so, they get updated with this same scan info.
2302 */
2303 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
2304 radio_list) {
2305 if (ifs != wpa_s) {
2306 wpa_printf(MSG_DEBUG, "%s: Updating scan results from "
2307 "sibling", ifs->ifname);
2308 res = _wpa_supplicant_event_scan_results(ifs, data, 0,
2309 res > 0);
2310 if (res < 0)
2311 return 0;
2312 }
2313 }
2314
2315 return 0;
2316 }
2317
2318 #endif /* CONFIG_NO_SCAN_PROCESSING */
2319
2320
2321 int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s)
2322 {
2323 #ifdef CONFIG_NO_SCAN_PROCESSING
2324 return -1;
2325 #else /* CONFIG_NO_SCAN_PROCESSING */
2326 struct os_reltime now;
2327
2328 wpa_s->ignore_post_flush_scan_res = 0;
2329
2330 if (wpa_s->last_scan_res_used == 0)
2331 return -1;
2332
2333 os_get_reltime(&now);
2334 if (os_reltime_expired(&now, &wpa_s->last_scan,
2335 SCAN_RES_VALID_FOR_CONNECT)) {
2336 wpa_printf(MSG_DEBUG, "Fast associate: Old scan results");
2337 return -1;
2338 }
2339
2340 return wpas_select_network_from_last_scan(wpa_s, 0, 1);
2341 #endif /* CONFIG_NO_SCAN_PROCESSING */
2342 }
2343
2344 #ifdef CONFIG_WNM
2345
2346 static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx)
2347 {
2348 struct wpa_supplicant *wpa_s = eloop_ctx;
2349
2350 if (wpa_s->wpa_state < WPA_ASSOCIATED)
2351 return;
2352
2353 if (!wpa_s->no_keep_alive) {
2354 wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR,
2355 MAC2STR(wpa_s->bssid));
2356 /* TODO: could skip this if normal data traffic has been sent */
2357 /* TODO: Consider using some more appropriate data frame for
2358 * this */
2359 if (wpa_s->l2)
2360 l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800,
2361 (u8 *) "", 0);
2362 }
2363
2364 #ifdef CONFIG_SME
2365 if (wpa_s->sme.bss_max_idle_period) {
2366 unsigned int msec;
2367 msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */
2368 if (msec > 100)
2369 msec -= 100;
2370 eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
2371 wnm_bss_keep_alive, wpa_s, NULL);
2372 }
2373 #endif /* CONFIG_SME */
2374 }
2375
2376
2377 static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s,
2378 const u8 *ies, size_t ies_len)
2379 {
2380 struct ieee802_11_elems elems;
2381
2382 if (ies == NULL)
2383 return;
2384
2385 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
2386 return;
2387
2388 #ifdef CONFIG_SME
2389 if (elems.bss_max_idle_period) {
2390 unsigned int msec;
2391 wpa_s->sme.bss_max_idle_period =
2392 WPA_GET_LE16(elems.bss_max_idle_period);
2393 wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 "
2394 "TU)%s", wpa_s->sme.bss_max_idle_period,
2395 (elems.bss_max_idle_period[2] & 0x01) ?
2396 " (protected keep-live required)" : "");
2397 if (wpa_s->sme.bss_max_idle_period == 0)
2398 wpa_s->sme.bss_max_idle_period = 1;
2399 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
2400 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
2401 /* msec times 1000 */
2402 msec = wpa_s->sme.bss_max_idle_period * 1024;
2403 if (msec > 100)
2404 msec -= 100;
2405 eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
2406 wnm_bss_keep_alive, wpa_s,
2407 NULL);
2408 }
2409 }
2410 #endif /* CONFIG_SME */
2411 }
2412
2413 #endif /* CONFIG_WNM */
2414
2415
2416 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s)
2417 {
2418 #ifdef CONFIG_WNM
2419 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
2420 #endif /* CONFIG_WNM */
2421 }
2422
2423
2424 #ifdef CONFIG_INTERWORKING
2425
2426 static int wpas_qos_map_set(struct wpa_supplicant *wpa_s, const u8 *qos_map,
2427 size_t len)
2428 {
2429 int res;
2430
2431 wpa_hexdump(MSG_DEBUG, "Interworking: QoS Map Set", qos_map, len);
2432 res = wpa_drv_set_qos_map(wpa_s, qos_map, len);
2433 if (res) {
2434 wpa_printf(MSG_DEBUG, "Interworking: Failed to configure QoS Map Set to the driver");
2435 }
2436
2437 return res;
2438 }
2439
2440
2441 static void interworking_process_assoc_resp(struct wpa_supplicant *wpa_s,
2442 const u8 *ies, size_t ies_len)
2443 {
2444 struct ieee802_11_elems elems;
2445
2446 if (ies == NULL)
2447 return;
2448
2449 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
2450 return;
2451
2452 if (elems.qos_map_set) {
2453 wpas_qos_map_set(wpa_s, elems.qos_map_set,
2454 elems.qos_map_set_len);
2455 }
2456 }
2457
2458 #endif /* CONFIG_INTERWORKING */
2459
2460
2461 static void multi_ap_process_assoc_resp(struct wpa_supplicant *wpa_s,
2462 const u8 *ies, size_t ies_len)
2463 {
2464 struct ieee802_11_elems elems;
2465 const u8 *map_sub_elem, *pos;
2466 size_t len;
2467
2468 wpa_s->multi_ap_ie = 0;
2469
2470 if (!ies ||
2471 ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed ||
2472 !elems.multi_ap || elems.multi_ap_len < 7)
2473 return;
2474
2475 pos = elems.multi_ap + 4;
2476 len = elems.multi_ap_len - 4;
2477
2478 map_sub_elem = get_ie(pos, len, MULTI_AP_SUB_ELEM_TYPE);
2479 if (!map_sub_elem || map_sub_elem[1] < 1)
2480 return;
2481
2482 wpa_s->multi_ap_backhaul = !!(map_sub_elem[2] & MULTI_AP_BACKHAUL_BSS);
2483 wpa_s->multi_ap_fronthaul = !!(map_sub_elem[2] &
2484 MULTI_AP_FRONTHAUL_BSS);
2485 wpa_s->multi_ap_ie = 1;
2486 }
2487
2488
2489 static void multi_ap_set_4addr_mode(struct wpa_supplicant *wpa_s)
2490 {
2491 if (!wpa_s->current_ssid ||
2492 !wpa_s->current_ssid->multi_ap_backhaul_sta)
2493 return;
2494
2495 if (!wpa_s->multi_ap_ie) {
2496 wpa_printf(MSG_INFO,
2497 "AP does not include valid Multi-AP element");
2498 goto fail;
2499 }
2500
2501 if (!wpa_s->multi_ap_backhaul) {
2502 if (wpa_s->multi_ap_fronthaul &&
2503 wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
2504 wpa_printf(MSG_INFO,
2505 "WPS active, accepting fronthaul-only BSS");
2506 /* Don't set 4addr mode in this case, so just return */
2507 return;
2508 }
2509 wpa_printf(MSG_INFO, "AP doesn't support backhaul BSS");
2510 goto fail;
2511 }
2512
2513 if (wpa_drv_set_4addr_mode(wpa_s, 1) < 0) {
2514 wpa_printf(MSG_ERROR, "Failed to set 4addr mode");
2515 goto fail;
2516 }
2517 wpa_s->enabled_4addr_mode = 1;
2518 return;
2519
2520 fail:
2521 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2522 }
2523
2524
2525 #ifdef CONFIG_FST
2526 static int wpas_fst_update_mbie(struct wpa_supplicant *wpa_s,
2527 const u8 *ie, size_t ie_len)
2528 {
2529 struct mb_ies_info mb_ies;
2530
2531 if (!ie || !ie_len || !wpa_s->fst)
2532 return -ENOENT;
2533
2534 os_memset(&mb_ies, 0, sizeof(mb_ies));
2535
2536 while (ie_len >= 2 && mb_ies.nof_ies < MAX_NOF_MB_IES_SUPPORTED) {
2537 size_t len;
2538
2539 len = 2 + ie[1];
2540 if (len > ie_len) {
2541 wpa_hexdump(MSG_DEBUG, "FST: Truncated IE found",
2542 ie, ie_len);
2543 break;
2544 }
2545
2546 if (ie[0] == WLAN_EID_MULTI_BAND) {
2547 wpa_printf(MSG_DEBUG, "MB IE of %u bytes found",
2548 (unsigned int) len);
2549 mb_ies.ies[mb_ies.nof_ies].ie = ie + 2;
2550 mb_ies.ies[mb_ies.nof_ies].ie_len = len - 2;
2551 mb_ies.nof_ies++;
2552 }
2553
2554 ie_len -= len;
2555 ie += len;
2556 }
2557
2558 if (mb_ies.nof_ies > 0) {
2559 wpabuf_free(wpa_s->received_mb_ies);
2560 wpa_s->received_mb_ies = mb_ies_by_info(&mb_ies);
2561 return 0;
2562 }
2563
2564 return -ENOENT;
2565 }
2566 #endif /* CONFIG_FST */
2567
2568
2569 static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
2570 union wpa_event_data *data)
2571 {
2572 int l, len, found = 0, found_x = 0, wpa_found, rsn_found;
2573 const u8 *p;
2574 #if defined(CONFIG_IEEE80211R) || defined(CONFIG_OWE)
2575 u8 bssid[ETH_ALEN];
2576 #endif /* CONFIG_IEEE80211R || CONFIG_OWE */
2577
2578 wpa_dbg(wpa_s, MSG_DEBUG, "Association info event");
2579 if (data->assoc_info.req_ies)
2580 wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
2581 data->assoc_info.req_ies_len);
2582 if (data->assoc_info.resp_ies) {
2583 wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
2584 data->assoc_info.resp_ies_len);
2585 #ifdef CONFIG_TDLS
2586 wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies,
2587 data->assoc_info.resp_ies_len);
2588 #endif /* CONFIG_TDLS */
2589 #ifdef CONFIG_WNM
2590 wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
2591 data->assoc_info.resp_ies_len);
2592 #endif /* CONFIG_WNM */
2593 #ifdef CONFIG_INTERWORKING
2594 interworking_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
2595 data->assoc_info.resp_ies_len);
2596 #endif /* CONFIG_INTERWORKING */
2597 if (wpa_s->hw_capab == CAPAB_VHT &&
2598 get_ie(data->assoc_info.resp_ies,
2599 data->assoc_info.resp_ies_len, WLAN_EID_VHT_CAP))
2600 wpa_s->ieee80211ac = 1;
2601
2602 multi_ap_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
2603 data->assoc_info.resp_ies_len);
2604 }
2605 if (data->assoc_info.beacon_ies)
2606 wpa_hexdump(MSG_DEBUG, "beacon_ies",
2607 data->assoc_info.beacon_ies,
2608 data->assoc_info.beacon_ies_len);
2609 if (data->assoc_info.freq)
2610 wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz",
2611 data->assoc_info.freq);
2612
2613 wpa_s->connection_set = 0;
2614 if (data->assoc_info.req_ies && data->assoc_info.resp_ies) {
2615 struct ieee802_11_elems req_elems, resp_elems;
2616
2617 if (ieee802_11_parse_elems(data->assoc_info.req_ies,
2618 data->assoc_info.req_ies_len,
2619 &req_elems, 0) != ParseFailed &&
2620 ieee802_11_parse_elems(data->assoc_info.resp_ies,
2621 data->assoc_info.resp_ies_len,
2622 &resp_elems, 0) != ParseFailed) {
2623 wpa_s->connection_set = 1;
2624 wpa_s->connection_ht = req_elems.ht_capabilities &&
2625 resp_elems.ht_capabilities;
2626 /* Do not include subset of VHT on 2.4 GHz vendor
2627 * extension in consideration for reporting VHT
2628 * association. */
2629 wpa_s->connection_vht = req_elems.vht_capabilities &&
2630 resp_elems.vht_capabilities &&
2631 (!data->assoc_info.freq ||
2632 wpas_freq_to_band(data->assoc_info.freq) !=
2633 BAND_2_4_GHZ);
2634 wpa_s->connection_he = req_elems.he_capabilities &&
2635 resp_elems.he_capabilities;
2636 }
2637 }
2638
2639 p = data->assoc_info.req_ies;
2640 l = data->assoc_info.req_ies_len;
2641
2642 /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
2643 while (p && l >= 2) {
2644 len = p[1] + 2;
2645 if (len > l) {
2646 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
2647 p, l);
2648 break;
2649 }
2650 if (!found &&
2651 ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
2652 (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
2653 (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 4 &&
2654 (os_memcmp(&p[2], "\x50\x6F\x9A\x12", 4) == 0)) ||
2655 (p[0] == WLAN_EID_RSN && p[1] >= 2))) {
2656 if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len))
2657 break;
2658 found = 1;
2659 wpa_find_assoc_pmkid(wpa_s);
2660 }
2661 if (!found_x && p[0] == WLAN_EID_RSNX) {
2662 if (wpa_sm_set_assoc_rsnxe(wpa_s->wpa, p, len))
2663 break;
2664 found_x = 1;
2665 }
2666 l -= len;
2667 p += len;
2668 }
2669 if (!found && data->assoc_info.req_ies)
2670 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
2671 if (!found_x && data->assoc_info.req_ies)
2672 wpa_sm_set_assoc_rsnxe(wpa_s->wpa, NULL, 0);
2673
2674 #ifdef CONFIG_FILS
2675 #ifdef CONFIG_SME
2676 if ((wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS ||
2677 wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS_SK_PFS) &&
2678 (!data->assoc_info.resp_frame ||
2679 fils_process_assoc_resp(wpa_s->wpa,
2680 data->assoc_info.resp_frame,
2681 data->assoc_info.resp_frame_len) < 0)) {
2682 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED);
2683 return -1;
2684 }
2685 #endif /* CONFIG_SME */
2686
2687 /* Additional processing for FILS when SME is in driver */
2688 if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS &&
2689 !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
2690 wpa_sm_set_reset_fils_completed(wpa_s->wpa, 1);
2691 #endif /* CONFIG_FILS */
2692
2693 #ifdef CONFIG_OWE
2694 if (wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
2695 (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
2696 owe_process_assoc_resp(wpa_s->wpa, bssid,
2697 data->assoc_info.resp_ies,
2698 data->assoc_info.resp_ies_len) < 0)) {
2699 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED);
2700 return -1;
2701 }
2702 #endif /* CONFIG_OWE */
2703
2704 #ifdef CONFIG_DPP2
2705 wpa_sm_set_dpp_z(wpa_s->wpa, NULL);
2706 if (wpa_s->key_mgmt == WPA_KEY_MGMT_DPP && wpa_s->dpp_pfs) {
2707 struct ieee802_11_elems elems;
2708
2709 if (ieee802_11_parse_elems(data->assoc_info.resp_ies,
2710 data->assoc_info.resp_ies_len,
2711 &elems, 0) == ParseFailed ||
2712 !elems.owe_dh)
2713 goto no_pfs;
2714 if (dpp_pfs_process(wpa_s->dpp_pfs, elems.owe_dh,
2715 elems.owe_dh_len) < 0) {
2716 wpa_supplicant_deauthenticate(wpa_s,
2717 WLAN_REASON_UNSPECIFIED);
2718 return -1;
2719 }
2720
2721 wpa_sm_set_dpp_z(wpa_s->wpa, wpa_s->dpp_pfs->secret);
2722 }
2723 no_pfs:
2724 #endif /* CONFIG_DPP2 */
2725
2726 #ifdef CONFIG_IEEE80211R
2727 #ifdef CONFIG_SME
2728 if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) {
2729 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
2730 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
2731 data->assoc_info.resp_ies,
2732 data->assoc_info.resp_ies_len,
2733 bssid) < 0) {
2734 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
2735 "Reassociation Response failed");
2736 wpa_supplicant_deauthenticate(
2737 wpa_s, WLAN_REASON_INVALID_IE);
2738 return -1;
2739 }
2740 }
2741
2742 p = data->assoc_info.resp_ies;
2743 l = data->assoc_info.resp_ies_len;
2744
2745 #ifdef CONFIG_WPS_STRICT
2746 if (p && wpa_s->current_ssid &&
2747 wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) {
2748 struct wpabuf *wps;
2749 wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE);
2750 if (wps == NULL) {
2751 wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not "
2752 "include WPS IE in (Re)Association Response");
2753 return -1;
2754 }
2755
2756 if (wps_validate_assoc_resp(wps) < 0) {
2757 wpabuf_free(wps);
2758 wpa_supplicant_deauthenticate(
2759 wpa_s, WLAN_REASON_INVALID_IE);
2760 return -1;
2761 }
2762 wpabuf_free(wps);
2763 }
2764 #endif /* CONFIG_WPS_STRICT */
2765
2766 /* Go through the IEs and make a copy of the MDIE, if present. */
2767 while (p && l >= 2) {
2768 len = p[1] + 2;
2769 if (len > l) {
2770 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
2771 p, l);
2772 break;
2773 }
2774 if (p[0] == WLAN_EID_MOBILITY_DOMAIN &&
2775 p[1] >= MOBILITY_DOMAIN_ID_LEN) {
2776 wpa_s->sme.ft_used = 1;
2777 os_memcpy(wpa_s->sme.mobility_domain, p + 2,
2778 MOBILITY_DOMAIN_ID_LEN);
2779 break;
2780 }
2781 l -= len;
2782 p += len;
2783 }
2784 #endif /* CONFIG_SME */
2785
2786 /* Process FT when SME is in the driver */
2787 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
2788 wpa_ft_is_completed(wpa_s->wpa)) {
2789 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
2790 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
2791 data->assoc_info.resp_ies,
2792 data->assoc_info.resp_ies_len,
2793 bssid) < 0) {
2794 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
2795 "Reassociation Response failed");
2796 wpa_supplicant_deauthenticate(
2797 wpa_s, WLAN_REASON_INVALID_IE);
2798 return -1;
2799 }
2800 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done");
2801 }
2802
2803 wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies,
2804 data->assoc_info.resp_ies_len);
2805 #endif /* CONFIG_IEEE80211R */
2806
2807 /* WPA/RSN IE from Beacon/ProbeResp */
2808 p = data->assoc_info.beacon_ies;
2809 l = data->assoc_info.beacon_ies_len;
2810
2811 /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
2812 */
2813 wpa_found = rsn_found = 0;
2814 while (p && l >= 2) {
2815 len = p[1] + 2;
2816 if (len > l) {
2817 wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies",
2818 p, l);
2819 break;
2820 }
2821 if (!wpa_found &&
2822 p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
2823 os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
2824 wpa_found = 1;
2825 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len);
2826 }
2827
2828 if (!rsn_found &&
2829 p[0] == WLAN_EID_RSN && p[1] >= 2) {
2830 rsn_found = 1;
2831 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len);
2832 }
2833
2834 if (p[0] == WLAN_EID_RSNX && p[1] >= 1)
2835 wpa_sm_set_ap_rsnxe(wpa_s->wpa, p, len);
2836
2837 l -= len;
2838 p += len;
2839 }
2840
2841 if (!wpa_found && data->assoc_info.beacon_ies)
2842 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
2843 if (!rsn_found && data->assoc_info.beacon_ies) {
2844 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
2845 wpa_sm_set_ap_rsnxe(wpa_s->wpa, NULL, 0);
2846 }
2847 if (wpa_found || rsn_found)
2848 wpa_s->ap_ies_from_associnfo = 1;
2849
2850 if (wpa_s->assoc_freq && data->assoc_info.freq &&
2851 wpa_s->assoc_freq != data->assoc_info.freq) {
2852 wpa_printf(MSG_DEBUG, "Operating frequency changed from "
2853 "%u to %u MHz",
2854 wpa_s->assoc_freq, data->assoc_info.freq);
2855 wpa_supplicant_update_scan_results(wpa_s);
2856 }
2857
2858 wpa_s->assoc_freq = data->assoc_info.freq;
2859
2860 return 0;
2861 }
2862
2863
2864 static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s)
2865 {
2866 const u8 *bss_wpa = NULL, *bss_rsn = NULL, *bss_rsnx = NULL;
2867
2868 if (!wpa_s->current_bss || !wpa_s->current_ssid)
2869 return -1;
2870
2871 if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt))
2872 return 0;
2873
2874 bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss,
2875 WPA_IE_VENDOR_TYPE);
2876 bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN);
2877 bss_rsnx = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSNX);
2878
2879 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
2880 bss_wpa ? 2 + bss_wpa[1] : 0) ||
2881 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
2882 bss_rsn ? 2 + bss_rsn[1] : 0) ||
2883 wpa_sm_set_ap_rsnxe(wpa_s->wpa, bss_rsnx,
2884 bss_rsnx ? 2 + bss_rsnx[1] : 0))
2885 return -1;
2886
2887 return 0;
2888 }
2889
2890
2891 static void wpas_fst_update_mb_assoc(struct wpa_supplicant *wpa_s,
2892 union wpa_event_data *data)
2893 {
2894 #ifdef CONFIG_FST
2895 struct assoc_info *ai = data ? &data->assoc_info : NULL;
2896 struct wpa_bss *bss = wpa_s->current_bss;
2897 const u8 *ieprb, *iebcn;
2898
2899 wpabuf_free(wpa_s->received_mb_ies);
2900 wpa_s->received_mb_ies = NULL;
2901
2902 if (ai &&
2903 !wpas_fst_update_mbie(wpa_s, ai->resp_ies, ai->resp_ies_len)) {
2904 wpa_printf(MSG_DEBUG,
2905 "FST: MB IEs updated from Association Response frame");
2906 return;
2907 }
2908
2909 if (ai &&
2910 !wpas_fst_update_mbie(wpa_s, ai->beacon_ies, ai->beacon_ies_len)) {
2911 wpa_printf(MSG_DEBUG,
2912 "FST: MB IEs updated from association event Beacon IEs");
2913 return;
2914 }
2915
2916 if (!bss)
2917 return;
2918
2919 ieprb = (const u8 *) (bss + 1);
2920 iebcn = ieprb + bss->ie_len;
2921
2922 if (!wpas_fst_update_mbie(wpa_s, ieprb, bss->ie_len))
2923 wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss IE");
2924 else if (!wpas_fst_update_mbie(wpa_s, iebcn, bss->beacon_ie_len))
2925 wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss beacon IE");
2926 #endif /* CONFIG_FST */
2927 }
2928
2929
2930 static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
2931 union wpa_event_data *data)
2932 {
2933 u8 bssid[ETH_ALEN];
2934 int ft_completed, already_authorized;
2935 int new_bss = 0;
2936 #if defined(CONFIG_FILS) || defined(CONFIG_MBO)
2937 struct wpa_bss *bss;
2938 #endif /* CONFIG_FILS || CONFIG_MBO */
2939
2940 #ifdef CONFIG_AP
2941 if (wpa_s->ap_iface) {
2942 if (!data)
2943 return;
2944 hostapd_notif_assoc(wpa_s->ap_iface->bss[0],
2945 data->assoc_info.addr,
2946 data->assoc_info.req_ies,
2947 data->assoc_info.req_ies_len,
2948 data->assoc_info.reassoc);
2949 return;
2950 }
2951 #endif /* CONFIG_AP */
2952
2953 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
2954 wpa_s->own_reconnect_req = 0;
2955
2956 ft_completed = wpa_ft_is_completed(wpa_s->wpa);
2957 if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0)
2958 return;
2959 /*
2960 * FILS authentication can share the same mechanism to mark the
2961 * connection fully authenticated, so set ft_completed also based on
2962 * FILS result.
2963 */
2964 if (!ft_completed)
2965 ft_completed = wpa_fils_is_completed(wpa_s->wpa);
2966
2967 if (wpa_drv_get_bssid(wpa_s, bssid) < 0) {
2968 wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID");
2969 wpa_supplicant_deauthenticate(
2970 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2971 return;
2972 }
2973
2974 wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
2975 if (os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) {
2976 if (os_reltime_initialized(&wpa_s->session_start)) {
2977 os_reltime_age(&wpa_s->session_start,
2978 &wpa_s->session_length);
2979 wpa_s->session_start.sec = 0;
2980 wpa_s->session_start.usec = 0;
2981 wpas_notify_session_length(wpa_s);
2982 } else {
2983 wpas_notify_auth_changed(wpa_s);
2984 os_get_reltime(&wpa_s->session_start);
2985 }
2986 wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
2987 MACSTR, MAC2STR(bssid));
2988 new_bss = 1;
2989 random_add_randomness(bssid, ETH_ALEN);
2990 os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
2991 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
2992 wpas_notify_bssid_changed(wpa_s);
2993
2994 if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
2995 wpa_clear_keys(wpa_s, bssid);
2996 }
2997 if (wpa_supplicant_select_config(wpa_s) < 0) {
2998 wpa_supplicant_deauthenticate(
2999 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
3000 return;
3001 }
3002 }
3003
3004 multi_ap_set_4addr_mode(wpa_s);
3005
3006 if (wpa_s->conf->ap_scan == 1 &&
3007 wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) {
3008 if (wpa_supplicant_assoc_update_ie(wpa_s) < 0 && new_bss)
3009 wpa_msg(wpa_s, MSG_WARNING,
3010 "WPA/RSN IEs not updated");
3011 }
3012
3013 wpas_fst_update_mb_assoc(wpa_s, data);
3014
3015 #ifdef CONFIG_SME
3016 os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN);
3017 wpa_s->sme.prev_bssid_set = 1;
3018 wpa_s->sme.last_unprot_disconnect.sec = 0;
3019 #endif /* CONFIG_SME */
3020
3021 wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
3022 if (wpa_s->current_ssid) {
3023 /* When using scanning (ap_scan=1), SIM PC/SC interface can be
3024 * initialized before association, but for other modes,
3025 * initialize PC/SC here, if the current configuration needs
3026 * smartcard or SIM/USIM. */
3027 wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid);
3028 }
3029 wpa_sm_notify_assoc(wpa_s->wpa, bssid);
3030 if (wpa_s->l2)
3031 l2_packet_notify_auth_start(wpa_s->l2);
3032
3033 already_authorized = data && data->assoc_info.authorized;
3034
3035 /*
3036 * Set portEnabled first to FALSE in order to get EAP state machine out
3037 * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
3038 * state machine may transit to AUTHENTICATING state based on obsolete
3039 * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
3040 * AUTHENTICATED without ever giving chance to EAP state machine to
3041 * reset the state.
3042 */
3043 if (!ft_completed && !already_authorized) {
3044 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
3045 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
3046 }
3047 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
3048 wpa_s->key_mgmt == WPA_KEY_MGMT_DPP ||
3049 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE || ft_completed ||
3050 already_authorized || wpa_s->drv_authorized_port)
3051 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
3052 /* 802.1X::portControl = Auto */
3053 eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
3054 wpa_s->eapol_received = 0;
3055 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
3056 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE ||
3057 (wpa_s->current_ssid &&
3058 wpa_s->current_ssid->mode == WPAS_MODE_IBSS)) {
3059 if (wpa_s->current_ssid &&
3060 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE &&
3061 (wpa_s->drv_flags &
3062 WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
3063 /*
3064 * Set the key after having received joined-IBSS event
3065 * from the driver.
3066 */
3067 wpa_supplicant_set_wpa_none_key(wpa_s,
3068 wpa_s->current_ssid);
3069 }
3070 wpa_supplicant_cancel_auth_timeout(wpa_s);
3071 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
3072 } else if (!ft_completed) {
3073 /* Timeout for receiving the first EAPOL packet */
3074 wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
3075 }
3076 wpa_supplicant_cancel_scan(wpa_s);
3077
3078 if (ft_completed) {
3079 /*
3080 * FT protocol completed - make sure EAPOL state machine ends
3081 * up in authenticated.
3082 */
3083 wpa_supplicant_cancel_auth_timeout(wpa_s);
3084 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
3085 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
3086 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
3087 } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK) &&
3088 wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
3089 /*
3090 * We are done; the driver will take care of RSN 4-way
3091 * handshake.
3092 */
3093 wpa_supplicant_cancel_auth_timeout(wpa_s);
3094 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
3095 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
3096 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
3097 } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X) &&
3098 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
3099 /*
3100 * The driver will take care of RSN 4-way handshake, so we need
3101 * to allow EAPOL supplicant to complete its work without
3102 * waiting for WPA supplicant.
3103 */
3104 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
3105 }
3106
3107 wpa_s->last_eapol_matches_bssid = 0;
3108
3109 #ifdef CONFIG_TESTING_OPTIONS
3110 if (wpa_s->rsne_override_eapol) {
3111 wpa_printf(MSG_DEBUG,
3112 "TESTING: RSNE EAPOL-Key msg 2/4 override");
3113 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa,
3114 wpabuf_head(wpa_s->rsne_override_eapol),
3115 wpabuf_len(wpa_s->rsne_override_eapol));
3116 }
3117 if (wpa_s->rsnxe_override_eapol) {
3118 wpa_printf(MSG_DEBUG,
3119 "TESTING: RSNXE EAPOL-Key msg 2/4 override");
3120 wpa_sm_set_assoc_rsnxe(wpa_s->wpa,
3121 wpabuf_head(wpa_s->rsnxe_override_eapol),
3122 wpabuf_len(wpa_s->rsnxe_override_eapol));
3123 }
3124 #endif /* CONFIG_TESTING_OPTIONS */
3125
3126 if (wpa_s->pending_eapol_rx) {
3127 struct os_reltime now, age;
3128 os_get_reltime(&now);
3129 os_reltime_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
3130 if (age.sec == 0 && age.usec < 200000 &&
3131 os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
3132 0) {
3133 wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL "
3134 "frame that was received just before "
3135 "association notification");
3136 wpa_supplicant_rx_eapol(
3137 wpa_s, wpa_s->pending_eapol_rx_src,
3138 wpabuf_head(wpa_s->pending_eapol_rx),
3139 wpabuf_len(wpa_s->pending_eapol_rx));
3140 }
3141 wpabuf_free(wpa_s->pending_eapol_rx);
3142 wpa_s->pending_eapol_rx = NULL;
3143 }
3144
3145 #ifdef CONFIG_WEP
3146 if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
3147 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
3148 wpa_s->current_ssid &&
3149 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
3150 /* Set static WEP keys again */
3151 wpa_set_wep_keys(wpa_s, wpa_s->current_ssid);
3152 }
3153 #endif /* CONFIG_WEP */
3154
3155 #ifdef CONFIG_IBSS_RSN
3156 if (wpa_s->current_ssid &&
3157 wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
3158 wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
3159 wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE &&
3160 wpa_s->ibss_rsn == NULL) {
3161 wpa_s->ibss_rsn = ibss_rsn_init(wpa_s, wpa_s->current_ssid);
3162 if (!wpa_s->ibss_rsn) {
3163 wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN");
3164 wpa_supplicant_deauthenticate(
3165 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
3166 return;
3167 }
3168
3169 ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk);
3170 }
3171 #endif /* CONFIG_IBSS_RSN */
3172
3173 wpas_wps_notify_assoc(wpa_s, bssid);
3174
3175 if (data) {
3176 wmm_ac_notify_assoc(wpa_s, data->assoc_info.resp_ies,
3177 data->assoc_info.resp_ies_len,
3178 &data->assoc_info.wmm_params);
3179
3180 if (wpa_s->reassoc_same_bss)
3181 wmm_ac_restore_tspecs(wpa_s);
3182 }
3183
3184 #if defined(CONFIG_FILS) || defined(CONFIG_MBO)
3185 bss = wpa_bss_get_bssid(wpa_s, bssid);
3186 #endif /* CONFIG_FILS || CONFIG_MBO */
3187 #ifdef CONFIG_FILS
3188 if (wpa_key_mgmt_fils(wpa_s->key_mgmt)) {
3189 const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss);
3190
3191 if (fils_cache_id)
3192 wpa_sm_set_fils_cache_id(wpa_s->wpa, fils_cache_id);
3193 }
3194 #endif /* CONFIG_FILS */
3195
3196 #ifdef CONFIG_MBO
3197 wpas_mbo_check_pmf(wpa_s, bss, wpa_s->current_ssid);
3198 #endif /* CONFIG_MBO */
3199 }
3200
3201
3202 static int disconnect_reason_recoverable(u16 reason_code)
3203 {
3204 return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY ||
3205 reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA ||
3206 reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA;
3207 }
3208
3209
3210 static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
3211 u16 reason_code,
3212 int locally_generated)
3213 {
3214 const u8 *bssid;
3215
3216 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
3217 /*
3218 * At least Host AP driver and a Prism3 card seemed to be
3219 * generating streams of disconnected events when configuring
3220 * IBSS for WPA-None. Ignore them for now.
3221 */
3222 return;
3223 }
3224
3225 bssid = wpa_s->bssid;
3226 if (is_zero_ether_addr(bssid))
3227 bssid = wpa_s->pending_bssid;
3228
3229 if (!is_zero_ether_addr(bssid) ||
3230 wpa_s->wpa_state >= WPA_AUTHENTICATING) {
3231 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
3232 " reason=%d%s",
3233 MAC2STR(bssid), reason_code,
3234 locally_generated ? " locally_generated=1" : "");
3235 }
3236 }
3237
3238
3239 static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code,
3240 int locally_generated)
3241 {
3242 if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE ||
3243 !wpa_s->new_connection ||
3244 !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
3245 wpa_key_mgmt_sae(wpa_s->key_mgmt))
3246 return 0; /* Not in initial 4-way handshake with PSK */
3247
3248 /*
3249 * It looks like connection was lost while trying to go through PSK
3250 * 4-way handshake. Filter out known disconnection cases that are caused
3251 * by something else than PSK mismatch to avoid confusing reports.
3252 */
3253
3254 if (locally_generated) {
3255 if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS)
3256 return 0;
3257 }
3258
3259 return 1;
3260 }
3261
3262
3263 static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s,
3264 u16 reason_code,
3265 int locally_generated)
3266 {
3267 const u8 *bssid;
3268 int authenticating;
3269 u8 prev_pending_bssid[ETH_ALEN];
3270 struct wpa_bss *fast_reconnect = NULL;
3271 struct wpa_ssid *fast_reconnect_ssid = NULL;
3272 struct wpa_ssid *last_ssid;
3273 struct wpa_bss *curr = NULL;
3274
3275 authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING;
3276 os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN);
3277
3278 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
3279 /*
3280 * At least Host AP driver and a Prism3 card seemed to be
3281 * generating streams of disconnected events when configuring
3282 * IBSS for WPA-None. Ignore them for now.
3283 */
3284 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - ignore in "
3285 "IBSS/WPA-None mode");
3286 return;
3287 }
3288
3289 if (!wpa_s->disconnected && wpa_s->wpa_state >= WPA_AUTHENTICATING &&
3290 reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY &&
3291 locally_generated)
3292 /*
3293 * Remove the inactive AP (which is probably out of range) from
3294 * the BSS list after marking disassociation. In particular
3295 * mac80211-based drivers use the
3296 * WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY reason code in
3297 * locally generated disconnection events for cases where the
3298 * AP does not reply anymore.
3299 */
3300 curr = wpa_s->current_bss;
3301
3302 if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) {
3303 wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
3304 "pre-shared key may be incorrect");
3305 if (wpas_p2p_4way_hs_failed(wpa_s) > 0)
3306 return; /* P2P group removed */
3307 wpas_auth_failed(wpa_s, "WRONG_KEY");
3308 #ifdef CONFIG_DPP2
3309 wpas_dpp_send_conn_status_result(wpa_s,
3310 DPP_STATUS_AUTH_FAILURE);
3311 #endif /* CONFIG_DPP2 */
3312 }
3313 if (!wpa_s->disconnected &&
3314 (!wpa_s->auto_reconnect_disabled ||
3315 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS ||
3316 wpas_wps_searching(wpa_s) ||
3317 wpas_wps_reenable_networks_pending(wpa_s))) {
3318 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to "
3319 "reconnect (wps=%d/%d wpa_state=%d)",
3320 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS,
3321 wpas_wps_searching(wpa_s),
3322 wpa_s->wpa_state);
3323 if (wpa_s->wpa_state == WPA_COMPLETED &&
3324 wpa_s->current_ssid &&
3325 wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
3326 (wpa_s->own_reconnect_req ||
3327 (!locally_generated &&
3328 disconnect_reason_recoverable(reason_code)))) {
3329 /*
3330 * It looks like the AP has dropped association with
3331 * us, but could allow us to get back in. This is also
3332 * triggered for cases where local reconnection request
3333 * is used to force reassociation with the same BSS.
3334 * Try to reconnect to the same BSS without a full scan
3335 * to save time for some common cases.
3336 */
3337 fast_reconnect = wpa_s->current_bss;
3338 fast_reconnect_ssid = wpa_s->current_ssid;
3339 } else if (wpa_s->wpa_state >= WPA_ASSOCIATING) {
3340 wpa_supplicant_req_scan(wpa_s, 0, 100000);
3341 } else {
3342 wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new "
3343 "immediate scan");
3344 }
3345 } else {
3346 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not "
3347 "try to re-connect");
3348 wpa_s->reassociate = 0;
3349 wpa_s->disconnected = 1;
3350 if (!wpa_s->pno)
3351 wpa_supplicant_cancel_sched_scan(wpa_s);
3352 }
3353 bssid = wpa_s->bssid;
3354 if (is_zero_ether_addr(bssid))
3355 bssid = wpa_s->pending_bssid;
3356 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
3357 wpas_connection_failed(wpa_s, bssid);
3358 wpa_sm_notify_disassoc(wpa_s->wpa);
3359 if (locally_generated)
3360 wpa_s->disconnect_reason = -reason_code;
3361 else
3362 wpa_s->disconnect_reason = reason_code;
3363 wpas_notify_disconnect_reason(wpa_s);
3364 if (wpa_supplicant_dynamic_keys(wpa_s)) {
3365 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys");
3366 wpa_clear_keys(wpa_s, wpa_s->bssid);
3367 }
3368 last_ssid = wpa_s->current_ssid;
3369 wpa_supplicant_mark_disassoc(wpa_s);
3370
3371 if (curr)
3372 wpa_bss_remove(wpa_s, curr, "Connection to AP lost");
3373
3374 if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) {
3375 sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid);
3376 wpa_s->current_ssid = last_ssid;
3377 }
3378
3379 if (fast_reconnect &&
3380 !wpas_network_disabled(wpa_s, fast_reconnect_ssid) &&
3381 !disallowed_bssid(wpa_s, fast_reconnect->bssid) &&
3382 !disallowed_ssid(wpa_s, fast_reconnect->ssid,
3383 fast_reconnect->ssid_len) &&
3384 !wpas_temp_disabled(wpa_s, fast_reconnect_ssid) &&
3385 !wpa_is_bss_tmp_disallowed(wpa_s, fast_reconnect)) {
3386 #ifndef CONFIG_NO_SCAN_PROCESSING
3387 wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS");
3388 if (wpa_supplicant_connect(wpa_s, fast_reconnect,
3389 fast_reconnect_ssid) < 0) {
3390 /* Recover through full scan */
3391 wpa_supplicant_req_scan(wpa_s, 0, 100000);
3392 }
3393 #endif /* CONFIG_NO_SCAN_PROCESSING */
3394 } else if (fast_reconnect) {
3395 /*
3396 * Could not reconnect to the same BSS due to network being
3397 * disabled. Use a new scan to match the alternative behavior
3398 * above, i.e., to continue automatic reconnection attempt in a
3399 * way that enforces disabled network rules.
3400 */
3401 wpa_supplicant_req_scan(wpa_s, 0, 100000);
3402 }
3403 }
3404
3405
3406 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
3407 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx)
3408 {
3409 struct wpa_supplicant *wpa_s = eloop_ctx;
3410
3411 if (!wpa_s->pending_mic_error_report)
3412 return;
3413
3414 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report");
3415 wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise);
3416 wpa_s->pending_mic_error_report = 0;
3417 }
3418 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
3419
3420
3421 static void
3422 wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
3423 union wpa_event_data *data)
3424 {
3425 int pairwise;
3426 struct os_reltime t;
3427
3428 wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected");
3429 pairwise = (data && data->michael_mic_failure.unicast);
3430 os_get_reltime(&t);
3431 if ((wpa_s->last_michael_mic_error.sec &&
3432 !os_reltime_expired(&t, &wpa_s->last_michael_mic_error, 60)) ||
3433 wpa_s->pending_mic_error_report) {
3434 if (wpa_s->pending_mic_error_report) {
3435 /*
3436 * Send the pending MIC error report immediately since
3437 * we are going to start countermeasures and AP better
3438 * do the same.
3439 */
3440 wpa_sm_key_request(wpa_s->wpa, 1,
3441 wpa_s->pending_mic_error_pairwise);
3442 }
3443
3444 /* Send the new MIC error report immediately since we are going
3445 * to start countermeasures and AP better do the same.
3446 */
3447 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
3448
3449 /* initialize countermeasures */
3450 wpa_s->countermeasures = 1;
3451
3452 wpa_blacklist_add(wpa_s, wpa_s->bssid);
3453
3454 wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
3455
3456 /*
3457 * Need to wait for completion of request frame. We do not get
3458 * any callback for the message completion, so just wait a
3459 * short while and hope for the best. */
3460 os_sleep(0, 10000);
3461
3462 wpa_drv_set_countermeasures(wpa_s, 1);
3463 wpa_supplicant_deauthenticate(wpa_s,
3464 WLAN_REASON_MICHAEL_MIC_FAILURE);
3465 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures,
3466 wpa_s, NULL);
3467 eloop_register_timeout(60, 0,
3468 wpa_supplicant_stop_countermeasures,
3469 wpa_s, NULL);
3470 /* TODO: mark the AP rejected for 60 second. STA is
3471 * allowed to associate with another AP.. */
3472 } else {
3473 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
3474 if (wpa_s->mic_errors_seen) {
3475 /*
3476 * Reduce the effectiveness of Michael MIC error
3477 * reports as a means for attacking against TKIP if
3478 * more than one MIC failure is noticed with the same
3479 * PTK. We delay the transmission of the reports by a
3480 * random time between 0 and 60 seconds in order to
3481 * force the attacker wait 60 seconds before getting
3482 * the information on whether a frame resulted in a MIC
3483 * failure.
3484 */
3485 u8 rval[4];
3486 int sec;
3487
3488 if (os_get_random(rval, sizeof(rval)) < 0)
3489 sec = os_random() % 60;
3490 else
3491 sec = WPA_GET_BE32(rval) % 60;
3492 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error "
3493 "report %d seconds", sec);
3494 wpa_s->pending_mic_error_report = 1;
3495 wpa_s->pending_mic_error_pairwise = pairwise;
3496 eloop_cancel_timeout(
3497 wpa_supplicant_delayed_mic_error_report,
3498 wpa_s, NULL);
3499 eloop_register_timeout(
3500 sec, os_random() % 1000000,
3501 wpa_supplicant_delayed_mic_error_report,
3502 wpa_s, NULL);
3503 } else {
3504 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
3505 }
3506 #else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
3507 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
3508 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
3509 }
3510 wpa_s->last_michael_mic_error = t;
3511 wpa_s->mic_errors_seen++;
3512 }
3513
3514
3515 #ifdef CONFIG_TERMINATE_ONLASTIF
3516 static int any_interfaces(struct wpa_supplicant *head)
3517 {
3518 struct wpa_supplicant *wpa_s;
3519
3520 for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next)
3521 if (!wpa_s->interface_removed)
3522 return 1;
3523 return 0;
3524 }
3525 #endif /* CONFIG_TERMINATE_ONLASTIF */
3526
3527
3528 static void
3529 wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
3530 union wpa_event_data *data)
3531 {
3532 if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0)
3533 return;
3534
3535 switch (data->interface_status.ievent) {
3536 case EVENT_INTERFACE_ADDED:
3537 if (!wpa_s->interface_removed)
3538 break;
3539 wpa_s->interface_removed = 0;
3540 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added");
3541 if (wpa_supplicant_driver_init(wpa_s) < 0) {
3542 wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the "
3543 "driver after interface was added");
3544 }
3545
3546 #ifdef CONFIG_P2P
3547 if (!wpa_s->global->p2p &&
3548 !wpa_s->global->p2p_disabled &&
3549 !wpa_s->conf->p2p_disabled &&
3550 (wpa_s->drv_flags &
3551 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) &&
3552 wpas_p2p_add_p2pdev_interface(
3553 wpa_s, wpa_s->global->params.conf_p2p_dev) < 0) {
3554 wpa_printf(MSG_INFO,
3555 "P2P: Failed to enable P2P Device interface");
3556 /* Try to continue without. P2P will be disabled. */
3557 }
3558 #endif /* CONFIG_P2P */
3559
3560 break;
3561 case EVENT_INTERFACE_REMOVED:
3562 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed");
3563 wpa_s->interface_removed = 1;
3564 wpa_supplicant_mark_disassoc(wpa_s);
3565 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
3566 l2_packet_deinit(wpa_s->l2);
3567 wpa_s->l2 = NULL;
3568
3569 #ifdef CONFIG_P2P
3570 if (wpa_s->global->p2p &&
3571 wpa_s->global->p2p_init_wpa_s->parent == wpa_s &&
3572 (wpa_s->drv_flags &
3573 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) {
3574 wpa_dbg(wpa_s, MSG_DEBUG,
3575 "Removing P2P Device interface");
3576 wpa_supplicant_remove_iface(
3577 wpa_s->global, wpa_s->global->p2p_init_wpa_s,
3578 0);
3579 wpa_s->global->p2p_init_wpa_s = NULL;
3580 }
3581 #endif /* CONFIG_P2P */
3582
3583 #ifdef CONFIG_MATCH_IFACE
3584 if (wpa_s->matched) {
3585 wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0);
3586 break;
3587 }
3588 #endif /* CONFIG_MATCH_IFACE */
3589
3590 #ifdef CONFIG_TERMINATE_ONLASTIF
3591 /* check if last interface */
3592 if (!any_interfaces(wpa_s->global->ifaces))
3593 eloop_terminate();
3594 #endif /* CONFIG_TERMINATE_ONLASTIF */
3595 break;
3596 }
3597 }
3598
3599
3600 #ifdef CONFIG_TDLS
3601 static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s,
3602 union wpa_event_data *data)
3603 {
3604 if (data == NULL)
3605 return;
3606 switch (data->tdls.oper) {
3607 case TDLS_REQUEST_SETUP:
3608 wpa_tdls_remove(wpa_s->wpa, data->tdls.peer);
3609 if (wpa_tdls_is_external_setup(wpa_s->wpa))
3610 wpa_tdls_start(wpa_s->wpa, data->tdls.peer);
3611 else
3612 wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer);
3613 break;
3614 case TDLS_REQUEST_TEARDOWN:
3615 if (wpa_tdls_is_external_setup(wpa_s->wpa))
3616 wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer,
3617 data->tdls.reason_code);
3618 else
3619 wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN,
3620 data->tdls.peer);
3621 break;
3622 case TDLS_REQUEST_DISCOVER:
3623 wpa_tdls_send_discovery_request(wpa_s->wpa,
3624 data->tdls.peer);
3625 break;
3626 }
3627 }
3628 #endif /* CONFIG_TDLS */
3629
3630
3631 #ifdef CONFIG_WNM
3632 static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s,
3633 union wpa_event_data *data)
3634 {
3635 if (data == NULL)
3636 return;
3637 switch (data->wnm.oper) {
3638 case WNM_OPER_SLEEP:
3639 wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request "
3640 "(action=%d, intval=%d)",
3641 data->wnm.sleep_action, data->wnm.sleep_intval);
3642 ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action,
3643 data->wnm.sleep_intval, NULL);
3644 break;
3645 }
3646 }
3647 #endif /* CONFIG_WNM */
3648
3649
3650 #ifdef CONFIG_IEEE80211R
3651 static void
3652 wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
3653 union wpa_event_data *data)
3654 {
3655 if (data == NULL)
3656 return;
3657
3658 if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
3659 data->ft_ies.ies_len,
3660 data->ft_ies.ft_action,
3661 data->ft_ies.target_ap,
3662 data->ft_ies.ric_ies,
3663 data->ft_ies.ric_ies_len) < 0) {
3664 /* TODO: prevent MLME/driver from trying to associate? */
3665 }
3666 }
3667 #endif /* CONFIG_IEEE80211R */
3668
3669
3670 #ifdef CONFIG_IBSS_RSN
3671 static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
3672 union wpa_event_data *data)
3673 {
3674 struct wpa_ssid *ssid;
3675 if (wpa_s->wpa_state < WPA_ASSOCIATED)
3676 return;
3677 if (data == NULL)
3678 return;
3679 ssid = wpa_s->current_ssid;
3680 if (ssid == NULL)
3681 return;
3682 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
3683 return;
3684
3685 ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer);
3686 }
3687
3688
3689 static void wpa_supplicant_event_ibss_auth(struct wpa_supplicant *wpa_s,
3690 union wpa_event_data *data)
3691 {
3692 struct wpa_ssid *ssid = wpa_s->current_ssid;
3693
3694 if (ssid == NULL)
3695 return;
3696
3697 /* check if the ssid is correctly configured as IBSS/RSN */
3698 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
3699 return;
3700
3701 ibss_rsn_handle_auth(wpa_s->ibss_rsn, data->rx_mgmt.frame,
3702 data->rx_mgmt.frame_len);
3703 }
3704 #endif /* CONFIG_IBSS_RSN */
3705
3706
3707 #ifdef CONFIG_IEEE80211R
3708 static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data,
3709 size_t len)
3710 {
3711 const u8 *sta_addr, *target_ap_addr;
3712 u16 status;
3713
3714 wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len);
3715 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
3716 return; /* only SME case supported for now */
3717 if (len < 1 + 2 * ETH_ALEN + 2)
3718 return;
3719 if (data[0] != 2)
3720 return; /* Only FT Action Response is supported for now */
3721 sta_addr = data + 1;
3722 target_ap_addr = data + 1 + ETH_ALEN;
3723 status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN);
3724 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA "
3725 MACSTR " TargetAP " MACSTR " status %u",
3726 MAC2STR(sta_addr), MAC2STR(target_ap_addr), status);
3727
3728 if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) {
3729 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR
3730 " in FT Action Response", MAC2STR(sta_addr));
3731 return;
3732 }
3733
3734 if (status) {
3735 wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates "
3736 "failure (status code %d)", status);
3737 /* TODO: report error to FT code(?) */
3738 return;
3739 }
3740
3741 if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2,
3742 len - (1 + 2 * ETH_ALEN + 2), 1,
3743 target_ap_addr, NULL, 0) < 0)
3744 return;
3745
3746 #ifdef CONFIG_SME
3747 {
3748 struct wpa_bss *bss;
3749 bss = wpa_bss_get_bssid(wpa_s, target_ap_addr);
3750 if (bss)
3751 wpa_s->sme.freq = bss->freq;
3752 wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT;
3753 sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr,
3754 WLAN_AUTH_FT);
3755 }
3756 #endif /* CONFIG_SME */
3757 }
3758 #endif /* CONFIG_IEEE80211R */
3759
3760
3761 static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s,
3762 struct unprot_deauth *e)
3763 {
3764 wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame "
3765 "dropped: " MACSTR " -> " MACSTR
3766 " (reason code %u)",
3767 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
3768 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
3769 }
3770
3771
3772 static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s,
3773 struct unprot_disassoc *e)
3774 {
3775 wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame "
3776 "dropped: " MACSTR " -> " MACSTR
3777 " (reason code %u)",
3778 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
3779 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
3780 }
3781
3782
3783 static void wpas_event_disconnect(struct wpa_supplicant *wpa_s, const u8 *addr,
3784 u16 reason_code, int locally_generated,
3785 const u8 *ie, size_t ie_len, int deauth)
3786 {
3787 #ifdef CONFIG_AP
3788 if (wpa_s->ap_iface && addr) {
3789 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], addr);
3790 return;
3791 }
3792
3793 if (wpa_s->ap_iface) {
3794 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in AP mode");
3795 return;
3796 }
3797 #endif /* CONFIG_AP */
3798
3799 if (!locally_generated)
3800 wpa_s->own_disconnect_req = 0;
3801
3802 wpa_supplicant_event_disassoc(wpa_s, reason_code, locally_generated);
3803
3804 if (((reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED ||
3805 ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
3806 (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) &&
3807 eapol_sm_failed(wpa_s->eapol))) &&
3808 !wpa_s->eap_expected_failure))
3809 wpas_auth_failed(wpa_s, "AUTH_FAILED");
3810
3811 #ifdef CONFIG_P2P
3812 if (deauth && reason_code > 0) {
3813 if (wpas_p2p_deauth_notif(wpa_s, addr, reason_code, ie, ie_len,
3814 locally_generated) > 0) {
3815 /*
3816 * The interface was removed, so cannot continue
3817 * processing any additional operations after this.
3818 */
3819 return;
3820 }
3821 }
3822 #endif /* CONFIG_P2P */
3823
3824 wpa_supplicant_event_disassoc_finish(wpa_s, reason_code,
3825 locally_generated);
3826 }
3827
3828
3829 static void wpas_event_disassoc(struct wpa_supplicant *wpa_s,
3830 struct disassoc_info *info)
3831 {
3832 u16 reason_code = 0;
3833 int locally_generated = 0;
3834 const u8 *addr = NULL;
3835 const u8 *ie = NULL;
3836 size_t ie_len = 0;
3837
3838 wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification");
3839
3840 if (info) {
3841 addr = info->addr;
3842 ie = info->ie;
3843 ie_len = info->ie_len;
3844 reason_code = info->reason_code;
3845 locally_generated = info->locally_generated;
3846 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u (%s)%s", reason_code,
3847 reason2str(reason_code),
3848 locally_generated ? " locally_generated=1" : "");
3849 if (addr)
3850 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
3851 MAC2STR(addr));
3852 wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)",
3853 ie, ie_len);
3854 }
3855
3856 #ifdef CONFIG_AP
3857 if (wpa_s->ap_iface && info && info->addr) {
3858 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], info->addr);
3859 return;
3860 }
3861
3862 if (wpa_s->ap_iface) {
3863 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in AP mode");
3864 return;
3865 }
3866 #endif /* CONFIG_AP */
3867
3868 #ifdef CONFIG_P2P
3869 if (info) {
3870 wpas_p2p_disassoc_notif(
3871 wpa_s, info->addr, reason_code, info->ie, info->ie_len,
3872 locally_generated);
3873 }
3874 #endif /* CONFIG_P2P */
3875
3876 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3877 sme_event_disassoc(wpa_s, info);
3878
3879 wpas_event_disconnect(wpa_s, addr, reason_code, locally_generated,
3880 ie, ie_len, 0);
3881 }
3882
3883
3884 static void wpas_event_deauth(struct wpa_supplicant *wpa_s,
3885 struct deauth_info *info)
3886 {
3887 u16 reason_code = 0;
3888 int locally_generated = 0;
3889 const u8 *addr = NULL;
3890 const u8 *ie = NULL;
3891 size_t ie_len = 0;
3892
3893 wpa_dbg(wpa_s, MSG_DEBUG, "Deauthentication notification");
3894
3895 if (info) {
3896 addr = info->addr;
3897 ie = info->ie;
3898 ie_len = info->ie_len;
3899 reason_code = info->reason_code;
3900 locally_generated = info->locally_generated;
3901 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u (%s)%s",
3902 reason_code, reason2str(reason_code),
3903 locally_generated ? " locally_generated=1" : "");
3904 if (addr) {
3905 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
3906 MAC2STR(addr));
3907 }
3908 wpa_hexdump(MSG_DEBUG, "Deauthentication frame IE(s)",
3909 ie, ie_len);
3910 }
3911
3912 wpa_reset_ft_completed(wpa_s->wpa);
3913
3914 wpas_event_disconnect(wpa_s, addr, reason_code,
3915 locally_generated, ie, ie_len, 1);
3916 }
3917
3918
3919 static const char * reg_init_str(enum reg_change_initiator init)
3920 {
3921 switch (init) {
3922 case REGDOM_SET_BY_CORE:
3923 return "CORE";
3924 case REGDOM_SET_BY_USER:
3925 return "USER";
3926 case REGDOM_SET_BY_DRIVER:
3927 return "DRIVER";
3928 case REGDOM_SET_BY_COUNTRY_IE:
3929 return "COUNTRY_IE";
3930 case REGDOM_BEACON_HINT:
3931 return "BEACON_HINT";
3932 }
3933 return "?";
3934 }
3935
3936
3937 static const char * reg_type_str(enum reg_type type)
3938 {
3939 switch (type) {
3940 case REGDOM_TYPE_UNKNOWN:
3941 return "UNKNOWN";
3942 case REGDOM_TYPE_COUNTRY:
3943 return "COUNTRY";
3944 case REGDOM_TYPE_WORLD:
3945 return "WORLD";
3946 case REGDOM_TYPE_CUSTOM_WORLD:
3947 return "CUSTOM_WORLD";
3948 case REGDOM_TYPE_INTERSECTION:
3949 return "INTERSECTION";
3950 }
3951 return "?";
3952 }
3953
3954
3955 void wpa_supplicant_update_channel_list(struct wpa_supplicant *wpa_s,
3956 struct channel_list_changed *info)
3957 {
3958 struct wpa_supplicant *ifs;
3959 u8 dfs_domain;
3960
3961 /*
3962 * To allow backwards compatibility with higher level layers that
3963 * assumed the REGDOM_CHANGE event is sent over the initially added
3964 * interface. Find the highest parent of this interface and use it to
3965 * send the event.
3966 */
3967 for (ifs = wpa_s; ifs->parent && ifs != ifs->parent; ifs = ifs->parent)
3968 ;
3969
3970 if (info) {
3971 wpa_msg(ifs, MSG_INFO,
3972 WPA_EVENT_REGDOM_CHANGE "init=%s type=%s%s%s",
3973 reg_init_str(info->initiator), reg_type_str(info->type),
3974 info->alpha2[0] ? " alpha2=" : "",
3975 info->alpha2[0] ? info->alpha2 : "");
3976 }
3977
3978 if (wpa_s->drv_priv == NULL)
3979 return; /* Ignore event during drv initialization */
3980
3981 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
3982 radio_list) {
3983 wpa_printf(MSG_DEBUG, "%s: Updating hw mode",
3984 ifs->ifname);
3985 free_hw_features(ifs);
3986 ifs->hw.modes = wpa_drv_get_hw_feature_data(
3987 ifs, &ifs->hw.num_modes, &ifs->hw.flags, &dfs_domain);
3988
3989 /* Restart PNO/sched_scan with updated channel list */
3990 if (ifs->pno) {
3991 wpas_stop_pno(ifs);
3992 wpas_start_pno(ifs);
3993 } else if (ifs->sched_scanning && !ifs->pno_sched_pending) {
3994 wpa_dbg(ifs, MSG_DEBUG,
3995 "Channel list changed - restart sched_scan");
3996 wpas_scan_restart_sched_scan(ifs);
3997 }
3998 }
3999
4000 wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DRIVER);
4001 }
4002
4003
4004 static void wpas_event_rx_mgmt_action(struct wpa_supplicant *wpa_s,
4005 const u8 *frame, size_t len, int freq,
4006 int rssi)
4007 {
4008 const struct ieee80211_mgmt *mgmt;
4009 const u8 *payload;
4010 size_t plen;
4011 u8 category;
4012
4013 if (len < IEEE80211_HDRLEN + 2)
4014 return;
4015
4016 mgmt = (const struct ieee80211_mgmt *) frame;
4017 payload = frame + IEEE80211_HDRLEN;
4018 category = *payload++;
4019 plen = len - IEEE80211_HDRLEN - 1;
4020
4021 wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR
4022 " Category=%u DataLen=%d freq=%d MHz",
4023 MAC2STR(mgmt->sa), category, (int) plen, freq);
4024
4025 if (category == WLAN_ACTION_WMM) {
4026 wmm_ac_rx_action(wpa_s, mgmt->da, mgmt->sa, payload, plen);
4027 return;
4028 }
4029
4030 #ifdef CONFIG_IEEE80211R
4031 if (category == WLAN_ACTION_FT) {
4032 ft_rx_action(wpa_s, payload, plen);
4033 return;
4034 }
4035 #endif /* CONFIG_IEEE80211R */
4036
4037 #ifdef CONFIG_SME
4038 if (category == WLAN_ACTION_SA_QUERY) {
4039 sme_sa_query_rx(wpa_s, mgmt->sa, payload, plen);
4040 return;
4041 }
4042 #endif /* CONFIG_SME */
4043
4044 #ifdef CONFIG_WNM
4045 if (mgmt->u.action.category == WLAN_ACTION_WNM) {
4046 ieee802_11_rx_wnm_action(wpa_s, mgmt, len);
4047 return;
4048 }
4049 #endif /* CONFIG_WNM */
4050
4051 #ifdef CONFIG_GAS
4052 if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC ||
4053 mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) &&
4054 gas_query_rx(wpa_s->gas, mgmt->da, mgmt->sa, mgmt->bssid,
4055 mgmt->u.action.category,
4056 payload, plen, freq) == 0)
4057 return;
4058 #endif /* CONFIG_GAS */
4059
4060 #ifdef CONFIG_GAS_SERVER
4061 if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC ||
4062 mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) &&
4063 gas_server_rx(wpa_s->gas_server, mgmt->da, mgmt->sa, mgmt->bssid,
4064 mgmt->u.action.category,
4065 payload, plen, freq) == 0)
4066 return;
4067 #endif /* CONFIG_GAS_SERVER */
4068
4069 #ifdef CONFIG_TDLS
4070 if (category == WLAN_ACTION_PUBLIC && plen >= 4 &&
4071 payload[0] == WLAN_TDLS_DISCOVERY_RESPONSE) {
4072 wpa_dbg(wpa_s, MSG_DEBUG,
4073 "TDLS: Received Discovery Response from " MACSTR,
4074 MAC2STR(mgmt->sa));
4075 return;
4076 }
4077 #endif /* CONFIG_TDLS */
4078
4079 #ifdef CONFIG_INTERWORKING
4080 if (category == WLAN_ACTION_QOS && plen >= 1 &&
4081 payload[0] == QOS_QOS_MAP_CONFIG) {
4082 const u8 *pos = payload + 1;
4083 size_t qlen = plen - 1;
4084 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: Received QoS Map Configure frame from "
4085 MACSTR, MAC2STR(mgmt->sa));
4086 if (os_memcmp(mgmt->sa, wpa_s->bssid, ETH_ALEN) == 0 &&
4087 qlen > 2 && pos[0] == WLAN_EID_QOS_MAP_SET &&
4088 pos[1] <= qlen - 2 && pos[1] >= 16)
4089 wpas_qos_map_set(wpa_s, pos + 2, pos[1]);
4090 return;
4091 }
4092 #endif /* CONFIG_INTERWORKING */
4093
4094 if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
4095 payload[0] == WLAN_RRM_RADIO_MEASUREMENT_REQUEST) {
4096 wpas_rrm_handle_radio_measurement_request(wpa_s, mgmt->sa,
4097 mgmt->da,
4098 payload + 1,
4099 plen - 1);
4100 return;
4101 }
4102
4103 if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
4104 payload[0] == WLAN_RRM_NEIGHBOR_REPORT_RESPONSE) {
4105 wpas_rrm_process_neighbor_rep(wpa_s, payload + 1, plen - 1);
4106 return;
4107 }
4108
4109 if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
4110 payload[0] == WLAN_RRM_LINK_MEASUREMENT_REQUEST) {
4111 wpas_rrm_handle_link_measurement_request(wpa_s, mgmt->sa,
4112 payload + 1, plen - 1,
4113 rssi);
4114 return;
4115 }
4116
4117 #ifdef CONFIG_FST
4118 if (mgmt->u.action.category == WLAN_ACTION_FST && wpa_s->fst) {
4119 fst_rx_action(wpa_s->fst, mgmt, len);
4120 return;
4121 }
4122 #endif /* CONFIG_FST */
4123
4124 #ifdef CONFIG_DPP
4125 if (category == WLAN_ACTION_PUBLIC && plen >= 5 &&
4126 payload[0] == WLAN_PA_VENDOR_SPECIFIC &&
4127 WPA_GET_BE24(&payload[1]) == OUI_WFA &&
4128 payload[4] == DPP_OUI_TYPE) {
4129 payload++;
4130 plen--;
4131 wpas_dpp_rx_action(wpa_s, mgmt->sa, payload, plen, freq);
4132 return;
4133 }
4134 #endif /* CONFIG_DPP */
4135
4136 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
4137 category, payload, plen, freq);
4138 if (wpa_s->ifmsh)
4139 mesh_mpm_action_rx(wpa_s, mgmt, len);
4140 }
4141
4142
4143 static void wpa_supplicant_notify_avoid_freq(struct wpa_supplicant *wpa_s,
4144 union wpa_event_data *event)
4145 {
4146 struct wpa_freq_range_list *list;
4147 char *str = NULL;
4148
4149 list = &event->freq_range;
4150
4151 if (list->num)
4152 str = freq_range_list_str(list);
4153 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_AVOID_FREQ "ranges=%s",
4154 str ? str : "");
4155
4156 #ifdef CONFIG_P2P
4157 if (freq_range_list_parse(&wpa_s->global->p2p_go_avoid_freq, str)) {
4158 wpa_dbg(wpa_s, MSG_ERROR, "%s: Failed to parse freq range",
4159 __func__);
4160 } else {
4161 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Update channel list based on frequency avoid event");
4162
4163 /*
4164 * The update channel flow will also take care of moving a GO
4165 * from the unsafe frequency if needed.
4166 */
4167 wpas_p2p_update_channel_list(wpa_s,
4168 WPAS_P2P_CHANNEL_UPDATE_AVOID);
4169 }
4170 #endif /* CONFIG_P2P */
4171
4172 os_free(str);
4173 }
4174
4175
4176 static void wpa_supplicant_event_port_authorized(struct wpa_supplicant *wpa_s)
4177 {
4178 if (wpa_s->wpa_state == WPA_ASSOCIATED) {
4179 wpa_supplicant_cancel_auth_timeout(wpa_s);
4180 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
4181 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
4182 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
4183 wpa_s->drv_authorized_port = 1;
4184 }
4185 }
4186
4187
4188 static unsigned int wpas_event_cac_ms(const struct wpa_supplicant *wpa_s,
4189 int freq)
4190 {
4191 size_t i;
4192 int j;
4193
4194 for (i = 0; i < wpa_s->hw.num_modes; i++) {
4195 const struct hostapd_hw_modes *mode = &wpa_s->hw.modes[i];
4196
4197 for (j = 0; j < mode->num_channels; j++) {
4198 const struct hostapd_channel_data *chan;
4199
4200 chan = &mode->channels[j];
4201 if (chan->freq == freq)
4202 return chan->dfs_cac_ms;
4203 }
4204 }
4205
4206 return 0;
4207 }
4208
4209
4210 static void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s,
4211 struct dfs_event *radar)
4212 {
4213 #if defined(NEED_AP_MLME) && defined(CONFIG_AP)
4214 if (wpa_s->ap_iface || wpa_s->ifmsh) {
4215 wpas_ap_event_dfs_cac_started(wpa_s, radar);
4216 } else
4217 #endif /* NEED_AP_MLME && CONFIG_AP */
4218 {
4219 unsigned int cac_time = wpas_event_cac_ms(wpa_s, radar->freq);
4220
4221 cac_time /= 1000; /* convert from ms to sec */
4222 if (!cac_time)
4223 cac_time = 10 * 60; /* max timeout: 10 minutes */
4224
4225 /* Restart auth timeout: CAC time added to initial timeout */
4226 wpas_auth_timeout_restart(wpa_s, cac_time);
4227 }
4228 }
4229
4230
4231 static void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s,
4232 struct dfs_event *radar)
4233 {
4234 #if defined(NEED_AP_MLME) && defined(CONFIG_AP)
4235 if (wpa_s->ap_iface || wpa_s->ifmsh) {
4236 wpas_ap_event_dfs_cac_finished(wpa_s, radar);
4237 } else
4238 #endif /* NEED_AP_MLME && CONFIG_AP */
4239 {
4240 /* Restart auth timeout with original value after CAC is
4241 * finished */
4242 wpas_auth_timeout_restart(wpa_s, 0);
4243 }
4244 }
4245
4246
4247 static void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
4248 struct dfs_event *radar)
4249 {
4250 #if defined(NEED_AP_MLME) && defined(CONFIG_AP)
4251 if (wpa_s->ap_iface || wpa_s->ifmsh) {
4252 wpas_ap_event_dfs_cac_aborted(wpa_s, radar);
4253 } else
4254 #endif /* NEED_AP_MLME && CONFIG_AP */
4255 {
4256 /* Restart auth timeout with original value after CAC is
4257 * aborted */
4258 wpas_auth_timeout_restart(wpa_s, 0);
4259 }
4260 }
4261
4262
4263 static void wpa_supplicant_event_assoc_auth(struct wpa_supplicant *wpa_s,
4264 union wpa_event_data *data)
4265 {
4266 wpa_dbg(wpa_s, MSG_DEBUG,
4267 "Connection authorized by device, previous state %d",
4268 wpa_s->wpa_state);
4269
4270 wpa_supplicant_event_port_authorized(wpa_s);
4271
4272 wpa_sm_set_rx_replay_ctr(wpa_s->wpa, data->assoc_info.key_replay_ctr);
4273 wpa_sm_set_ptk_kck_kek(wpa_s->wpa, data->assoc_info.ptk_kck,
4274 data->assoc_info.ptk_kck_len,
4275 data->assoc_info.ptk_kek,
4276 data->assoc_info.ptk_kek_len);
4277 #ifdef CONFIG_FILS
4278 if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) {
4279 struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
4280 const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss);
4281
4282 /* Update ERP next sequence number */
4283 eapol_sm_update_erp_next_seq_num(
4284 wpa_s->eapol, data->assoc_info.fils_erp_next_seq_num);
4285
4286 if (data->assoc_info.fils_pmk && data->assoc_info.fils_pmkid) {
4287 /* Add the new PMK and PMKID to the PMKSA cache */
4288 wpa_sm_pmksa_cache_add(wpa_s->wpa,
4289 data->assoc_info.fils_pmk,
4290 data->assoc_info.fils_pmk_len,
4291 data->assoc_info.fils_pmkid,
4292 wpa_s->bssid, fils_cache_id);
4293 } else if (data->assoc_info.fils_pmkid) {
4294 /* Update the current PMKSA used for this connection */
4295 pmksa_cache_set_current(wpa_s->wpa,
4296 data->assoc_info.fils_pmkid,
4297 NULL, NULL, 0, NULL, 0);
4298 }
4299 }
4300 #endif /* CONFIG_FILS */
4301 }
4302
4303
4304 static void wpas_event_assoc_reject(struct wpa_supplicant *wpa_s,
4305 union wpa_event_data *data)
4306 {
4307 const u8 *bssid = data->assoc_reject.bssid;
4308 #ifdef CONFIG_MBO
4309 struct wpa_bss *reject_bss;
4310 #endif /* CONFIG_MBO */
4311
4312 if (!bssid || is_zero_ether_addr(bssid))
4313 bssid = wpa_s->pending_bssid;
4314 #ifdef CONFIG_MBO
4315 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
4316 reject_bss = wpa_s->current_bss;
4317 else
4318 reject_bss = wpa_bss_get_bssid(wpa_s, bssid);
4319 #endif /* CONFIG_MBO */
4320
4321 if (data->assoc_reject.bssid)
4322 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
4323 "bssid=" MACSTR " status_code=%u%s%s%s",
4324 MAC2STR(data->assoc_reject.bssid),
4325 data->assoc_reject.status_code,
4326 data->assoc_reject.timed_out ? " timeout" : "",
4327 data->assoc_reject.timeout_reason ? "=" : "",
4328 data->assoc_reject.timeout_reason ?
4329 data->assoc_reject.timeout_reason : "");
4330 else
4331 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
4332 "status_code=%u%s%s%s",
4333 data->assoc_reject.status_code,
4334 data->assoc_reject.timed_out ? " timeout" : "",
4335 data->assoc_reject.timeout_reason ? "=" : "",
4336 data->assoc_reject.timeout_reason ?
4337 data->assoc_reject.timeout_reason : "");
4338 wpa_s->assoc_status_code = data->assoc_reject.status_code;
4339 wpas_notify_assoc_status_code(wpa_s);
4340
4341 #ifdef CONFIG_OWE
4342 if (data->assoc_reject.status_code ==
4343 WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED &&
4344 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
4345 wpa_s->current_ssid &&
4346 wpa_s->current_ssid->owe_group == 0 &&
4347 wpa_s->last_owe_group != 21) {
4348 struct wpa_ssid *ssid = wpa_s->current_ssid;
4349 struct wpa_bss *bss = wpa_s->current_bss;
4350
4351 if (!bss) {
4352 bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
4353 if (!bss) {
4354 wpas_connection_failed(wpa_s, bssid);
4355 wpa_supplicant_mark_disassoc(wpa_s);
4356 return;
4357 }
4358 }
4359 wpa_printf(MSG_DEBUG, "OWE: Try next supported DH group");
4360 wpas_connect_work_done(wpa_s);
4361 wpa_supplicant_mark_disassoc(wpa_s);
4362 wpa_supplicant_connect(wpa_s, bss, ssid);
4363 return;
4364 }
4365 #endif /* CONFIG_OWE */
4366
4367 #ifdef CONFIG_MBO
4368 if (data->assoc_reject.status_code ==
4369 WLAN_STATUS_DENIED_POOR_CHANNEL_CONDITIONS &&
4370 reject_bss && data->assoc_reject.resp_ies) {
4371 const u8 *rssi_rej;
4372
4373 rssi_rej = mbo_get_attr_from_ies(
4374 data->assoc_reject.resp_ies,
4375 data->assoc_reject.resp_ies_len,
4376 OCE_ATTR_ID_RSSI_BASED_ASSOC_REJECT);
4377 if (rssi_rej && rssi_rej[1] == 2) {
4378 wpa_printf(MSG_DEBUG,
4379 "OCE: RSSI-based association rejection from "
4380 MACSTR " (Delta RSSI: %u, Retry Delay: %u)",
4381 MAC2STR(reject_bss->bssid),
4382 rssi_rej[2], rssi_rej[3]);
4383 wpa_bss_tmp_disallow(wpa_s,
4384 reject_bss->bssid,
4385 rssi_rej[3],
4386 rssi_rej[2] + reject_bss->level);
4387 }
4388 }
4389 #endif /* CONFIG_MBO */
4390
4391 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
4392 sme_event_assoc_reject(wpa_s, data);
4393 return;
4394 }
4395
4396 /* Driver-based SME cases */
4397
4398 #ifdef CONFIG_SAE
4399 if (wpa_s->current_ssid &&
4400 wpa_key_mgmt_sae(wpa_s->current_ssid->key_mgmt) &&
4401 !data->assoc_reject.timed_out) {
4402 wpa_dbg(wpa_s, MSG_DEBUG, "SAE: Drop PMKSA cache entry");
4403 wpa_sm_aborted_cached(wpa_s->wpa);
4404 wpa_sm_pmksa_cache_flush(wpa_s->wpa, wpa_s->current_ssid);
4405 }
4406 #endif /* CONFIG_SAE */
4407
4408 #ifdef CONFIG_DPP
4409 if (wpa_s->current_ssid &&
4410 wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_DPP &&
4411 !data->assoc_reject.timed_out) {
4412 wpa_dbg(wpa_s, MSG_DEBUG, "DPP: Drop PMKSA cache entry");
4413 wpa_sm_aborted_cached(wpa_s->wpa);
4414 wpa_sm_pmksa_cache_flush(wpa_s->wpa, wpa_s->current_ssid);
4415 }
4416 #endif /* CONFIG_DPP */
4417
4418 #ifdef CONFIG_FILS
4419 /* Update ERP next sequence number */
4420 if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) {
4421 eapol_sm_update_erp_next_seq_num(
4422 wpa_s->eapol,
4423 data->assoc_reject.fils_erp_next_seq_num);
4424 fils_connection_failure(wpa_s);
4425 }
4426 #endif /* CONFIG_FILS */
4427
4428 wpas_connection_failed(wpa_s, bssid);
4429 wpa_supplicant_mark_disassoc(wpa_s);
4430 }
4431
4432
4433 void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
4434 union wpa_event_data *data)
4435 {
4436 struct wpa_supplicant *wpa_s = ctx;
4437 int resched;
4438 struct os_reltime age, clear_at;
4439 #ifndef CONFIG_NO_STDOUT_DEBUG
4440 int level = MSG_DEBUG;
4441 #endif /* CONFIG_NO_STDOUT_DEBUG */
4442
4443 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED &&
4444 event != EVENT_INTERFACE_ENABLED &&
4445 event != EVENT_INTERFACE_STATUS &&
4446 event != EVENT_SCAN_RESULTS &&
4447 event != EVENT_SCHED_SCAN_STOPPED) {
4448 wpa_dbg(wpa_s, MSG_DEBUG,
4449 "Ignore event %s (%d) while interface is disabled",
4450 event_to_string(event), event);
4451 return;
4452 }
4453
4454 #ifndef CONFIG_NO_STDOUT_DEBUG
4455 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) {
4456 const struct ieee80211_hdr *hdr;
4457 u16 fc;
4458 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
4459 fc = le_to_host16(hdr->frame_control);
4460 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
4461 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
4462 level = MSG_EXCESSIVE;
4463 }
4464
4465 wpa_dbg(wpa_s, level, "Event %s (%d) received",
4466 event_to_string(event), event);
4467 #endif /* CONFIG_NO_STDOUT_DEBUG */
4468
4469 switch (event) {
4470 case EVENT_AUTH:
4471 #ifdef CONFIG_FST
4472 if (!wpas_fst_update_mbie(wpa_s, data->auth.ies,
4473 data->auth.ies_len))
4474 wpa_printf(MSG_DEBUG,
4475 "FST: MB IEs updated from auth IE");
4476 #endif /* CONFIG_FST */
4477 sme_event_auth(wpa_s, data);
4478 wpa_s->auth_status_code = data->auth.status_code;
4479 wpas_notify_auth_status_code(wpa_s);
4480 break;
4481 case EVENT_ASSOC:
4482 #ifdef CONFIG_TESTING_OPTIONS
4483 if (wpa_s->ignore_auth_resp) {
4484 wpa_printf(MSG_INFO,
4485 "EVENT_ASSOC - ignore_auth_resp active!");
4486 break;
4487 }
4488 if (wpa_s->testing_resend_assoc) {
4489 wpa_printf(MSG_INFO,
4490 "EVENT_DEAUTH - testing_resend_assoc");
4491 break;
4492 }
4493 #endif /* CONFIG_TESTING_OPTIONS */
4494 wpa_supplicant_event_assoc(wpa_s, data);
4495 wpa_s->assoc_status_code = WLAN_STATUS_SUCCESS;
4496 if (data &&
4497 (data->assoc_info.authorized ||
4498 (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
4499 wpa_fils_is_completed(wpa_s->wpa))))
4500 wpa_supplicant_event_assoc_auth(wpa_s, data);
4501 if (data) {
4502 wpa_msg(wpa_s, MSG_INFO,
4503 WPA_EVENT_SUBNET_STATUS_UPDATE "status=%u",
4504 data->assoc_info.subnet_status);
4505 }
4506 break;
4507 case EVENT_DISASSOC:
4508 wpas_event_disassoc(wpa_s,
4509 data ? &data->disassoc_info : NULL);
4510 break;
4511 case EVENT_DEAUTH:
4512 #ifdef CONFIG_TESTING_OPTIONS
4513 if (wpa_s->ignore_auth_resp) {
4514 wpa_printf(MSG_INFO,
4515 "EVENT_DEAUTH - ignore_auth_resp active!");
4516 break;
4517 }
4518 if (wpa_s->testing_resend_assoc) {
4519 wpa_printf(MSG_INFO,
4520 "EVENT_DEAUTH - testing_resend_assoc");
4521 break;
4522 }
4523 #endif /* CONFIG_TESTING_OPTIONS */
4524 wpas_event_deauth(wpa_s,
4525 data ? &data->deauth_info : NULL);
4526 break;
4527 case EVENT_MICHAEL_MIC_FAILURE:
4528 wpa_supplicant_event_michael_mic_failure(wpa_s, data);
4529 break;
4530 #ifndef CONFIG_NO_SCAN_PROCESSING
4531 case EVENT_SCAN_STARTED:
4532 if (wpa_s->own_scan_requested ||
4533 (data && !data->scan_info.external_scan)) {
4534 struct os_reltime diff;
4535
4536 os_get_reltime(&wpa_s->scan_start_time);
4537 os_reltime_sub(&wpa_s->scan_start_time,
4538 &wpa_s->scan_trigger_time, &diff);
4539 wpa_dbg(wpa_s, MSG_DEBUG, "Own scan request started a scan in %ld.%06ld seconds",
4540 diff.sec, diff.usec);
4541 wpa_s->own_scan_requested = 0;
4542 wpa_s->own_scan_running = 1;
4543 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
4544 wpa_s->manual_scan_use_id) {
4545 wpa_msg_ctrl(wpa_s, MSG_INFO,
4546 WPA_EVENT_SCAN_STARTED "id=%u",
4547 wpa_s->manual_scan_id);
4548 } else {
4549 wpa_msg_ctrl(wpa_s, MSG_INFO,
4550 WPA_EVENT_SCAN_STARTED);
4551 }
4552 } else {
4553 wpa_dbg(wpa_s, MSG_DEBUG, "External program started a scan");
4554 wpa_s->radio->external_scan_running = 1;
4555 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_STARTED);
4556 }
4557 break;
4558 case EVENT_SCAN_RESULTS:
4559 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4560 wpa_s->scan_res_handler = NULL;
4561 wpa_s->own_scan_running = 0;
4562 wpa_s->radio->external_scan_running = 0;
4563 wpa_s->last_scan_req = NORMAL_SCAN_REQ;
4564 break;
4565 }
4566
4567 if (!(data && data->scan_info.external_scan) &&
4568 os_reltime_initialized(&wpa_s->scan_start_time)) {
4569 struct os_reltime now, diff;
4570 os_get_reltime(&now);
4571 os_reltime_sub(&now, &wpa_s->scan_start_time, &diff);
4572 wpa_s->scan_start_time.sec = 0;
4573 wpa_s->scan_start_time.usec = 0;
4574 wpa_dbg(wpa_s, MSG_DEBUG, "Scan completed in %ld.%06ld seconds",
4575 diff.sec, diff.usec);
4576 }
4577 if (wpa_supplicant_event_scan_results(wpa_s, data))
4578 break; /* interface may have been removed */
4579 if (!(data && data->scan_info.external_scan))
4580 wpa_s->own_scan_running = 0;
4581 if (data && data->scan_info.nl_scan_event)
4582 wpa_s->radio->external_scan_running = 0;
4583 radio_work_check_next(wpa_s);
4584 break;
4585 #endif /* CONFIG_NO_SCAN_PROCESSING */
4586 case EVENT_ASSOCINFO:
4587 wpa_supplicant_event_associnfo(wpa_s, data);
4588 break;
4589 case EVENT_INTERFACE_STATUS:
4590 wpa_supplicant_event_interface_status(wpa_s, data);
4591 break;
4592 case EVENT_PMKID_CANDIDATE:
4593 wpa_supplicant_event_pmkid_candidate(wpa_s, data);
4594 break;
4595 #ifdef CONFIG_TDLS
4596 case EVENT_TDLS:
4597 wpa_supplicant_event_tdls(wpa_s, data);
4598 break;
4599 #endif /* CONFIG_TDLS */
4600 #ifdef CONFIG_WNM
4601 case EVENT_WNM:
4602 wpa_supplicant_event_wnm(wpa_s, data);
4603 break;
4604 #endif /* CONFIG_WNM */
4605 #ifdef CONFIG_IEEE80211R
4606 case EVENT_FT_RESPONSE:
4607 wpa_supplicant_event_ft_response(wpa_s, data);
4608 break;
4609 #endif /* CONFIG_IEEE80211R */
4610 #ifdef CONFIG_IBSS_RSN
4611 case EVENT_IBSS_RSN_START:
4612 wpa_supplicant_event_ibss_rsn_start(wpa_s, data);
4613 break;
4614 #endif /* CONFIG_IBSS_RSN */
4615 case EVENT_ASSOC_REJECT:
4616 wpas_event_assoc_reject(wpa_s, data);
4617 break;
4618 case EVENT_AUTH_TIMED_OUT:
4619 /* It is possible to get this event from earlier connection */
4620 if (wpa_s->current_ssid &&
4621 wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
4622 wpa_dbg(wpa_s, MSG_DEBUG,
4623 "Ignore AUTH_TIMED_OUT in mesh configuration");
4624 break;
4625 }
4626 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
4627 sme_event_auth_timed_out(wpa_s, data);
4628 break;
4629 case EVENT_ASSOC_TIMED_OUT:
4630 /* It is possible to get this event from earlier connection */
4631 if (wpa_s->current_ssid &&
4632 wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
4633 wpa_dbg(wpa_s, MSG_DEBUG,
4634 "Ignore ASSOC_TIMED_OUT in mesh configuration");
4635 break;
4636 }
4637 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
4638 sme_event_assoc_timed_out(wpa_s, data);
4639 break;
4640 case EVENT_TX_STATUS:
4641 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR
4642 " type=%d stype=%d",
4643 MAC2STR(data->tx_status.dst),
4644 data->tx_status.type, data->tx_status.stype);
4645 #ifdef CONFIG_AP
4646 if (wpa_s->ap_iface == NULL) {
4647 #ifdef CONFIG_OFFCHANNEL
4648 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
4649 data->tx_status.stype == WLAN_FC_STYPE_ACTION)
4650 offchannel_send_action_tx_status(
4651 wpa_s, data->tx_status.dst,
4652 data->tx_status.data,
4653 data->tx_status.data_len,
4654 data->tx_status.ack ?
4655 OFFCHANNEL_SEND_ACTION_SUCCESS :
4656 OFFCHANNEL_SEND_ACTION_NO_ACK);
4657 #endif /* CONFIG_OFFCHANNEL */
4658 break;
4659 }
4660 #endif /* CONFIG_AP */
4661 #ifdef CONFIG_OFFCHANNEL
4662 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst="
4663 MACSTR, MAC2STR(wpa_s->p2pdev->pending_action_dst));
4664 /*
4665 * Catch TX status events for Action frames we sent via group
4666 * interface in GO mode, or via standalone AP interface.
4667 * Note, wpa_s->p2pdev will be the same as wpa_s->parent,
4668 * except when the primary interface is used as a GO interface
4669 * (for drivers which do not have group interface concurrency)
4670 */
4671 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
4672 data->tx_status.stype == WLAN_FC_STYPE_ACTION &&
4673 os_memcmp(wpa_s->p2pdev->pending_action_dst,
4674 data->tx_status.dst, ETH_ALEN) == 0) {
4675 offchannel_send_action_tx_status(
4676 wpa_s->p2pdev, data->tx_status.dst,
4677 data->tx_status.data,
4678 data->tx_status.data_len,
4679 data->tx_status.ack ?
4680 OFFCHANNEL_SEND_ACTION_SUCCESS :
4681 OFFCHANNEL_SEND_ACTION_NO_ACK);
4682 break;
4683 }
4684 #endif /* CONFIG_OFFCHANNEL */
4685 #ifdef CONFIG_AP
4686 switch (data->tx_status.type) {
4687 case WLAN_FC_TYPE_MGMT:
4688 ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
4689 data->tx_status.data_len,
4690 data->tx_status.stype,
4691 data->tx_status.ack);
4692 break;
4693 case WLAN_FC_TYPE_DATA:
4694 ap_tx_status(wpa_s, data->tx_status.dst,
4695 data->tx_status.data,
4696 data->tx_status.data_len,
4697 data->tx_status.ack);
4698 break;
4699 }
4700 #endif /* CONFIG_AP */
4701 break;
4702 #ifdef CONFIG_AP
4703 case EVENT_EAPOL_TX_STATUS:
4704 ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst,
4705 data->eapol_tx_status.data,
4706 data->eapol_tx_status.data_len,
4707 data->eapol_tx_status.ack);
4708 break;
4709 case EVENT_DRIVER_CLIENT_POLL_OK:
4710 ap_client_poll_ok(wpa_s, data->client_poll.addr);
4711 break;
4712 case EVENT_RX_FROM_UNKNOWN:
4713 if (wpa_s->ap_iface == NULL)
4714 break;
4715 ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr,
4716 data->rx_from_unknown.wds);
4717 break;
4718 #endif /* CONFIG_AP */
4719
4720 case EVENT_CH_SWITCH_STARTED:
4721 case EVENT_CH_SWITCH:
4722 if (!data || !wpa_s->current_ssid)
4723 break;
4724
4725 wpa_msg(wpa_s, MSG_INFO,
4726 "%sfreq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d",
4727 event == EVENT_CH_SWITCH ? WPA_EVENT_CHANNEL_SWITCH :
4728 WPA_EVENT_CHANNEL_SWITCH_STARTED,
4729 data->ch_switch.freq,
4730 data->ch_switch.ht_enabled,
4731 data->ch_switch.ch_offset,
4732 channel_width_to_string(data->ch_switch.ch_width),
4733 data->ch_switch.cf1,
4734 data->ch_switch.cf2);
4735 if (event == EVENT_CH_SWITCH_STARTED)
4736 break;
4737
4738 wpa_s->assoc_freq = data->ch_switch.freq;
4739 wpa_s->current_ssid->frequency = data->ch_switch.freq;
4740
4741 #ifdef CONFIG_SME
4742 switch (data->ch_switch.ch_offset) {
4743 case 1:
4744 wpa_s->sme.ht_sec_chan = HT_SEC_CHAN_ABOVE;
4745 break;
4746 case -1:
4747 wpa_s->sme.ht_sec_chan = HT_SEC_CHAN_BELOW;
4748 break;
4749 default:
4750 wpa_s->sme.ht_sec_chan = HT_SEC_CHAN_UNKNOWN;
4751 break;
4752 }
4753 #endif /* CONFIG_SME */
4754
4755 #ifdef CONFIG_AP
4756 if (wpa_s->current_ssid->mode == WPAS_MODE_AP ||
4757 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO ||
4758 wpa_s->current_ssid->mode == WPAS_MODE_MESH ||
4759 wpa_s->current_ssid->mode ==
4760 WPAS_MODE_P2P_GROUP_FORMATION) {
4761 wpas_ap_ch_switch(wpa_s, data->ch_switch.freq,
4762 data->ch_switch.ht_enabled,
4763 data->ch_switch.ch_offset,
4764 data->ch_switch.ch_width,
4765 data->ch_switch.cf1,
4766 data->ch_switch.cf2,
4767 1);
4768 }
4769 #endif /* CONFIG_AP */
4770
4771 sme_event_ch_switch(wpa_s);
4772 wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_CS);
4773 wnm_clear_coloc_intf_reporting(wpa_s);
4774 break;
4775 #ifdef CONFIG_AP
4776 #ifdef NEED_AP_MLME
4777 case EVENT_DFS_RADAR_DETECTED:
4778 if (data)
4779 wpas_ap_event_dfs_radar_detected(wpa_s,
4780 &data->dfs_event);
4781 break;
4782 case EVENT_DFS_NOP_FINISHED:
4783 if (data)
4784 wpas_ap_event_dfs_cac_nop_finished(wpa_s,
4785 &data->dfs_event);
4786 break;
4787 #endif /* NEED_AP_MLME */
4788 #endif /* CONFIG_AP */
4789 case EVENT_DFS_CAC_STARTED:
4790 if (data)
4791 wpas_event_dfs_cac_started(wpa_s, &data->dfs_event);
4792 break;
4793 case EVENT_DFS_CAC_FINISHED:
4794 if (data)
4795 wpas_event_dfs_cac_finished(wpa_s, &data->dfs_event);
4796 break;
4797 case EVENT_DFS_CAC_ABORTED:
4798 if (data)
4799 wpas_event_dfs_cac_aborted(wpa_s, &data->dfs_event);
4800 break;
4801 case EVENT_RX_MGMT: {
4802 u16 fc, stype;
4803 const struct ieee80211_mgmt *mgmt;
4804
4805 #ifdef CONFIG_TESTING_OPTIONS
4806 if (wpa_s->ext_mgmt_frame_handling) {
4807 struct rx_mgmt *rx = &data->rx_mgmt;
4808 size_t hex_len = 2 * rx->frame_len + 1;
4809 char *hex = os_malloc(hex_len);
4810 if (hex) {
4811 wpa_snprintf_hex(hex, hex_len,
4812 rx->frame, rx->frame_len);
4813 wpa_msg(wpa_s, MSG_INFO, "MGMT-RX freq=%d datarate=%u ssi_signal=%d %s",
4814 rx->freq, rx->datarate, rx->ssi_signal,
4815 hex);
4816 os_free(hex);
4817 }
4818 break;
4819 }
4820 #endif /* CONFIG_TESTING_OPTIONS */
4821
4822 mgmt = (const struct ieee80211_mgmt *)
4823 data->rx_mgmt.frame;
4824 fc = le_to_host16(mgmt->frame_control);
4825 stype = WLAN_FC_GET_STYPE(fc);
4826
4827 #ifdef CONFIG_AP
4828 if (wpa_s->ap_iface == NULL) {
4829 #endif /* CONFIG_AP */
4830 #ifdef CONFIG_P2P
4831 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
4832 data->rx_mgmt.frame_len > IEEE80211_HDRLEN) {
4833 const u8 *src = mgmt->sa;
4834 const u8 *ie;
4835 size_t ie_len;
4836
4837 ie = data->rx_mgmt.frame + IEEE80211_HDRLEN;
4838 ie_len = data->rx_mgmt.frame_len -
4839 IEEE80211_HDRLEN;
4840 wpas_p2p_probe_req_rx(
4841 wpa_s, src, mgmt->da,
4842 mgmt->bssid, ie, ie_len,
4843 data->rx_mgmt.freq,
4844 data->rx_mgmt.ssi_signal);
4845 break;
4846 }
4847 #endif /* CONFIG_P2P */
4848 #ifdef CONFIG_IBSS_RSN
4849 if (wpa_s->current_ssid &&
4850 wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
4851 stype == WLAN_FC_STYPE_AUTH &&
4852 data->rx_mgmt.frame_len >= 30) {
4853 wpa_supplicant_event_ibss_auth(wpa_s, data);
4854 break;
4855 }
4856 #endif /* CONFIG_IBSS_RSN */
4857
4858 if (stype == WLAN_FC_STYPE_ACTION) {
4859 wpas_event_rx_mgmt_action(
4860 wpa_s, data->rx_mgmt.frame,
4861 data->rx_mgmt.frame_len,
4862 data->rx_mgmt.freq,
4863 data->rx_mgmt.ssi_signal);
4864 break;
4865 }
4866
4867 if (wpa_s->ifmsh) {
4868 mesh_mpm_mgmt_rx(wpa_s, &data->rx_mgmt);
4869 break;
4870 }
4871
4872 #ifdef CONFIG_SAE
4873 if (stype == WLAN_FC_STYPE_AUTH &&
4874 !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
4875 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE)) {
4876 sme_external_auth_mgmt_rx(
4877 wpa_s, data->rx_mgmt.frame,
4878 data->rx_mgmt.frame_len);
4879 break;
4880 }
4881 #endif /* CONFIG_SAE */
4882 wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received "
4883 "management frame in non-AP mode");
4884 break;
4885 #ifdef CONFIG_AP
4886 }
4887
4888 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
4889 data->rx_mgmt.frame_len > IEEE80211_HDRLEN) {
4890 const u8 *ie;
4891 size_t ie_len;
4892
4893 ie = data->rx_mgmt.frame + IEEE80211_HDRLEN;
4894 ie_len = data->rx_mgmt.frame_len - IEEE80211_HDRLEN;
4895
4896 wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da,
4897 mgmt->bssid, ie, ie_len,
4898 data->rx_mgmt.ssi_signal);
4899 }
4900
4901 ap_mgmt_rx(wpa_s, &data->rx_mgmt);
4902 #endif /* CONFIG_AP */
4903 break;
4904 }
4905 case EVENT_RX_PROBE_REQ:
4906 if (data->rx_probe_req.sa == NULL ||
4907 data->rx_probe_req.ie == NULL)
4908 break;
4909 #ifdef CONFIG_AP
4910 if (wpa_s->ap_iface) {
4911 hostapd_probe_req_rx(wpa_s->ap_iface->bss[0],
4912 data->rx_probe_req.sa,
4913 data->rx_probe_req.da,
4914 data->rx_probe_req.bssid,
4915 data->rx_probe_req.ie,
4916 data->rx_probe_req.ie_len,
4917 data->rx_probe_req.ssi_signal);
4918 break;
4919 }
4920 #endif /* CONFIG_AP */
4921 wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa,
4922 data->rx_probe_req.da,
4923 data->rx_probe_req.bssid,
4924 data->rx_probe_req.ie,
4925 data->rx_probe_req.ie_len,
4926 0,
4927 data->rx_probe_req.ssi_signal);
4928 break;
4929 case EVENT_REMAIN_ON_CHANNEL:
4930 #ifdef CONFIG_OFFCHANNEL
4931 offchannel_remain_on_channel_cb(
4932 wpa_s, data->remain_on_channel.freq,
4933 data->remain_on_channel.duration);
4934 #endif /* CONFIG_OFFCHANNEL */
4935 wpas_p2p_remain_on_channel_cb(
4936 wpa_s, data->remain_on_channel.freq,
4937 data->remain_on_channel.duration);
4938 break;
4939 case EVENT_CANCEL_REMAIN_ON_CHANNEL:
4940 #ifdef CONFIG_OFFCHANNEL
4941 offchannel_cancel_remain_on_channel_cb(
4942 wpa_s, data->remain_on_channel.freq);
4943 #endif /* CONFIG_OFFCHANNEL */
4944 wpas_p2p_cancel_remain_on_channel_cb(
4945 wpa_s, data->remain_on_channel.freq);
4946 #ifdef CONFIG_DPP
4947 wpas_dpp_cancel_remain_on_channel_cb(
4948 wpa_s, data->remain_on_channel.freq);
4949 #endif /* CONFIG_DPP */
4950 break;
4951 case EVENT_EAPOL_RX:
4952 wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src,
4953 data->eapol_rx.data,
4954 data->eapol_rx.data_len);
4955 break;
4956 case EVENT_SIGNAL_CHANGE:
4957 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SIGNAL_CHANGE
4958 "above=%d signal=%d noise=%d txrate=%d",
4959 data->signal_change.above_threshold,
4960 data->signal_change.current_signal,
4961 data->signal_change.current_noise,
4962 data->signal_change.current_txrate);
4963 wpa_bss_update_level(wpa_s->current_bss,
4964 data->signal_change.current_signal);
4965 bgscan_notify_signal_change(
4966 wpa_s, data->signal_change.above_threshold,
4967 data->signal_change.current_signal,
4968 data->signal_change.current_noise,
4969 data->signal_change.current_txrate);
4970 break;
4971 case EVENT_INTERFACE_MAC_CHANGED:
4972 wpa_supplicant_update_mac_addr(wpa_s);
4973 break;
4974 case EVENT_INTERFACE_ENABLED:
4975 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled");
4976 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4977 eloop_cancel_timeout(wpas_clear_disabled_interface,
4978 wpa_s, NULL);
4979 wpa_supplicant_update_mac_addr(wpa_s);
4980 wpa_supplicant_set_default_scan_ies(wpa_s);
4981 if (wpa_s->p2p_mgmt) {
4982 wpa_supplicant_set_state(wpa_s,
4983 WPA_DISCONNECTED);
4984 break;
4985 }
4986
4987 #ifdef CONFIG_AP
4988 if (!wpa_s->ap_iface) {
4989 wpa_supplicant_set_state(wpa_s,
4990 WPA_DISCONNECTED);
4991 wpa_s->scan_req = NORMAL_SCAN_REQ;
4992 wpa_supplicant_req_scan(wpa_s, 0, 0);
4993 } else
4994 wpa_supplicant_set_state(wpa_s,
4995 WPA_COMPLETED);
4996 #else /* CONFIG_AP */
4997 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
4998 wpa_supplicant_req_scan(wpa_s, 0, 0);
4999 #endif /* CONFIG_AP */
5000 }
5001 break;
5002 case EVENT_INTERFACE_DISABLED:
5003 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled");
5004 #ifdef CONFIG_P2P
5005 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO ||
5006 (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group &&
5007 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO)) {
5008 /*
5009 * Mark interface disabled if this happens to end up not
5010 * being removed as a separate P2P group interface.
5011 */
5012 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
5013 /*
5014 * The interface was externally disabled. Remove
5015 * it assuming an external entity will start a
5016 * new session if needed.
5017 */
5018 if (wpa_s->current_ssid &&
5019 wpa_s->current_ssid->p2p_group)
5020 wpas_p2p_interface_unavailable(wpa_s);
5021 else
5022 wpas_p2p_disconnect(wpa_s);
5023 /*
5024 * wpa_s instance may have been freed, so must not use
5025 * it here anymore.
5026 */
5027 break;
5028 }
5029 if (wpa_s->p2p_scan_work && wpa_s->global->p2p &&
5030 p2p_in_progress(wpa_s->global->p2p) > 1) {
5031 /* This radio work will be cancelled, so clear P2P
5032 * state as well.
5033 */
5034 p2p_stop_find(wpa_s->global->p2p);
5035 }
5036 #endif /* CONFIG_P2P */
5037
5038 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
5039 /*
5040 * Indicate disconnection to keep ctrl_iface events
5041 * consistent.
5042 */
5043 wpa_supplicant_event_disassoc(
5044 wpa_s, WLAN_REASON_DEAUTH_LEAVING, 1);
5045 }
5046 wpa_supplicant_mark_disassoc(wpa_s);
5047 os_reltime_age(&wpa_s->last_scan, &age);
5048 if (age.sec >= SCAN_RES_VALID_FOR_CONNECT) {
5049 clear_at.sec = SCAN_RES_VALID_FOR_CONNECT;
5050 clear_at.usec = 0;
5051 } else {
5052 struct os_reltime tmp;
5053
5054 tmp.sec = SCAN_RES_VALID_FOR_CONNECT;
5055 tmp.usec = 0;
5056 os_reltime_sub(&tmp, &age, &clear_at);
5057 }
5058 eloop_register_timeout(clear_at.sec, clear_at.usec,
5059 wpas_clear_disabled_interface,
5060 wpa_s, NULL);
5061 radio_remove_works(wpa_s, NULL, 0);
5062
5063 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
5064 break;
5065 case EVENT_CHANNEL_LIST_CHANGED:
5066 wpa_supplicant_update_channel_list(
5067 wpa_s, &data->channel_list_changed);
5068 break;
5069 case EVENT_INTERFACE_UNAVAILABLE:
5070 wpas_p2p_interface_unavailable(wpa_s);
5071 break;
5072 case EVENT_BEST_CHANNEL:
5073 wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received "
5074 "(%d %d %d)",
5075 data->best_chan.freq_24, data->best_chan.freq_5,
5076 data->best_chan.freq_overall);
5077 wpa_s->best_24_freq = data->best_chan.freq_24;
5078 wpa_s->best_5_freq = data->best_chan.freq_5;
5079 wpa_s->best_overall_freq = data->best_chan.freq_overall;
5080 wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24,
5081 data->best_chan.freq_5,
5082 data->best_chan.freq_overall);
5083 break;
5084 case EVENT_UNPROT_DEAUTH:
5085 wpa_supplicant_event_unprot_deauth(wpa_s,
5086 &data->unprot_deauth);
5087 break;
5088 case EVENT_UNPROT_DISASSOC:
5089 wpa_supplicant_event_unprot_disassoc(wpa_s,
5090 &data->unprot_disassoc);
5091 break;
5092 case EVENT_STATION_LOW_ACK:
5093 #ifdef CONFIG_AP
5094 if (wpa_s->ap_iface && data)
5095 hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0],
5096 data->low_ack.addr);
5097 #endif /* CONFIG_AP */
5098 #ifdef CONFIG_TDLS
5099 if (data)
5100 wpa_tdls_disable_unreachable_link(wpa_s->wpa,
5101 data->low_ack.addr);
5102 #endif /* CONFIG_TDLS */
5103 break;
5104 case EVENT_IBSS_PEER_LOST:
5105 #ifdef CONFIG_IBSS_RSN
5106 ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer);
5107 #endif /* CONFIG_IBSS_RSN */
5108 break;
5109 case EVENT_DRIVER_GTK_REKEY:
5110 if (os_memcmp(data->driver_gtk_rekey.bssid,
5111 wpa_s->bssid, ETH_ALEN))
5112 break;
5113 if (!wpa_s->wpa)
5114 break;
5115 wpa_sm_update_replay_ctr(wpa_s->wpa,
5116 data->driver_gtk_rekey.replay_ctr);
5117 break;
5118 case EVENT_SCHED_SCAN_STOPPED:
5119 wpa_s->sched_scanning = 0;
5120 resched = wpa_s->scanning && wpas_scan_scheduled(wpa_s);
5121 wpa_supplicant_notify_scanning(wpa_s, 0);
5122
5123 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5124 break;
5125
5126 /*
5127 * If the driver stopped scanning without being requested to,
5128 * request a new scan to continue scanning for networks.
5129 */
5130 if (!wpa_s->sched_scan_stop_req &&
5131 wpa_s->wpa_state == WPA_SCANNING) {
5132 wpa_dbg(wpa_s, MSG_DEBUG,
5133 "Restart scanning after unexpected sched_scan stop event");
5134 wpa_supplicant_req_scan(wpa_s, 1, 0);
5135 break;
5136 }
5137
5138 wpa_s->sched_scan_stop_req = 0;
5139
5140 /*
5141 * Start a new sched scan to continue searching for more SSIDs
5142 * either if timed out or PNO schedule scan is pending.
5143 */
5144 if (wpa_s->sched_scan_timed_out) {
5145 wpa_supplicant_req_sched_scan(wpa_s);
5146 } else if (wpa_s->pno_sched_pending) {
5147 wpa_s->pno_sched_pending = 0;
5148 wpas_start_pno(wpa_s);
5149 } else if (resched) {
5150 wpa_supplicant_req_scan(wpa_s, 0, 0);
5151 }
5152
5153 break;
5154 case EVENT_WPS_BUTTON_PUSHED:
5155 #ifdef CONFIG_WPS
5156 wpas_wps_start_pbc(wpa_s, NULL, 0, 0);
5157 #endif /* CONFIG_WPS */
5158 break;
5159 case EVENT_AVOID_FREQUENCIES:
5160 wpa_supplicant_notify_avoid_freq(wpa_s, data);
5161 break;
5162 case EVENT_CONNECT_FAILED_REASON:
5163 #ifdef CONFIG_AP
5164 if (!wpa_s->ap_iface || !data)
5165 break;
5166 hostapd_event_connect_failed_reason(
5167 wpa_s->ap_iface->bss[0],
5168 data->connect_failed_reason.addr,
5169 data->connect_failed_reason.code);
5170 #endif /* CONFIG_AP */
5171 break;
5172 case EVENT_NEW_PEER_CANDIDATE:
5173 #ifdef CONFIG_MESH
5174 if (!wpa_s->ifmsh || !data)
5175 break;
5176 wpa_mesh_notify_peer(wpa_s, data->mesh_peer.peer,
5177 data->mesh_peer.ies,
5178 data->mesh_peer.ie_len);
5179 #endif /* CONFIG_MESH */
5180 break;
5181 case EVENT_SURVEY:
5182 #ifdef CONFIG_AP
5183 if (!wpa_s->ap_iface)
5184 break;
5185 hostapd_event_get_survey(wpa_s->ap_iface,
5186 &data->survey_results);
5187 #endif /* CONFIG_AP */
5188 break;
5189 case EVENT_ACS_CHANNEL_SELECTED:
5190 #ifdef CONFIG_AP
5191 #ifdef CONFIG_ACS
5192 if (!wpa_s->ap_iface)
5193 break;
5194 hostapd_acs_channel_selected(wpa_s->ap_iface->bss[0],
5195 &data->acs_selected_channels);
5196 #endif /* CONFIG_ACS */
5197 #endif /* CONFIG_AP */
5198 break;
5199 case EVENT_P2P_LO_STOP:
5200 #ifdef CONFIG_P2P
5201 wpa_s->p2p_lo_started = 0;
5202 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_LISTEN_OFFLOAD_STOP
5203 P2P_LISTEN_OFFLOAD_STOP_REASON "reason=%d",
5204 data->p2p_lo_stop.reason_code);
5205 #endif /* CONFIG_P2P */
5206 break;
5207 case EVENT_BEACON_LOSS:
5208 if (!wpa_s->current_bss || !wpa_s->current_ssid)
5209 break;
5210 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_BEACON_LOSS);
5211 bgscan_notify_beacon_loss(wpa_s);
5212 break;
5213 case EVENT_EXTERNAL_AUTH:
5214 #ifdef CONFIG_SAE
5215 if (!wpa_s->current_ssid) {
5216 wpa_printf(MSG_DEBUG, "SAE: current_ssid is NULL");
5217 break;
5218 }
5219 sme_external_auth_trigger(wpa_s, data);
5220 #endif /* CONFIG_SAE */
5221 break;
5222 case EVENT_PORT_AUTHORIZED:
5223 wpa_supplicant_event_port_authorized(wpa_s);
5224 break;
5225 case EVENT_STATION_OPMODE_CHANGED:
5226 #ifdef CONFIG_AP
5227 if (!wpa_s->ap_iface || !data)
5228 break;
5229
5230 hostapd_event_sta_opmode_changed(wpa_s->ap_iface->bss[0],
5231 data->sta_opmode.addr,
5232 data->sta_opmode.smps_mode,
5233 data->sta_opmode.chan_width,
5234 data->sta_opmode.rx_nss);
5235 #endif /* CONFIG_AP */
5236 break;
5237 default:
5238 wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event);
5239 break;
5240 }
5241 }
5242
5243
5244 void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event,
5245 union wpa_event_data *data)
5246 {
5247 struct wpa_supplicant *wpa_s;
5248
5249 if (event != EVENT_INTERFACE_STATUS)
5250 return;
5251
5252 wpa_s = wpa_supplicant_get_iface(ctx, data->interface_status.ifname);
5253 if (wpa_s && wpa_s->driver->get_ifindex) {
5254 unsigned int ifindex;
5255
5256 ifindex = wpa_s->driver->get_ifindex(wpa_s->drv_priv);
5257 if (ifindex != data->interface_status.ifindex) {
5258 wpa_dbg(wpa_s, MSG_DEBUG,
5259 "interface status ifindex %d mismatch (%d)",
5260 ifindex, data->interface_status.ifindex);
5261 return;
5262 }
5263 }
5264 #ifdef CONFIG_MATCH_IFACE
5265 else if (data->interface_status.ievent == EVENT_INTERFACE_ADDED) {
5266 struct wpa_interface *wpa_i;
5267
5268 wpa_i = wpa_supplicant_match_iface(
5269 ctx, data->interface_status.ifname);
5270 if (!wpa_i)
5271 return;
5272 wpa_s = wpa_supplicant_add_iface(ctx, wpa_i, NULL);
5273 os_free(wpa_i);
5274 if (wpa_s)
5275 wpa_s->matched = 1;
5276 }
5277 #endif /* CONFIG_MATCH_IFACE */
5278
5279 if (wpa_s)
5280 wpa_supplicant_event(wpa_s, event, data);
5281 }
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